blob: 1210d43560877f66dbb4008d5a9d6afa9001891f [file] [log] [blame]
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001/*
2 * Driver interaction with Linux nl80211/cfg80211
Dmitry Shmidt807291d2015-01-27 13:40:23 -08003 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
7 * Copyright (c) 2009-2010, Atheros Communications
8 *
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08009 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070011 */
12
13#include "includes.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070014#include <sys/types.h>
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070015#include <fcntl.h>
16#include <net/if.h>
17#include <netlink/genl/genl.h>
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070018#include <netlink/genl/ctrl.h>
Dmitry Shmidt661b4f72014-09-29 14:58:27 -070019#ifdef CONFIG_LIBNL3_ROUTE
20#include <netlink/route/neighbour.h>
21#endif /* CONFIG_LIBNL3_ROUTE */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070022#include <linux/rtnetlink.h>
23#include <netpacket/packet.h>
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080024#include <linux/errqueue.h>
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070025
26#include "common.h"
27#include "eloop.h"
Dmitry Shmidtcf32e602014-01-28 10:57:39 -080028#include "common/qca-vendor.h"
Dmitry Shmidt7832adb2014-04-29 10:53:02 -070029#include "common/qca-vendor-attr.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070030#include "common/ieee802_11_defs.h"
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080031#include "common/ieee802_11_common.h"
32#include "l2_packet/l2_packet.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070033#include "netlink.h"
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -080034#include "linux_defines.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070035#include "linux_ioctl.h"
36#include "radiotap.h"
37#include "radiotap_iter.h"
38#include "rfkill.h"
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -080039#include "driver_nl80211.h"
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -080040
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080041
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -080042#ifndef CONFIG_LIBNL20
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070043/*
44 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
45 * but when you free a socket again it will mess up its bitmap and
46 * and use the wrong number the next time it needs a socket ID.
47 * Therefore, we wrap the handle alloc/destroy and add our own pid
48 * accounting.
49 */
50static uint32_t port_bitmap[32] = { 0 };
51
52static struct nl_handle *nl80211_handle_alloc(void *cb)
53{
54 struct nl_handle *handle;
55 uint32_t pid = getpid() & 0x3FFFFF;
56 int i;
57
58 handle = nl_handle_alloc_cb(cb);
59
60 for (i = 0; i < 1024; i++) {
61 if (port_bitmap[i / 32] & (1 << (i % 32)))
62 continue;
63 port_bitmap[i / 32] |= 1 << (i % 32);
64 pid += i << 22;
65 break;
66 }
67
68 nl_socket_set_local_port(handle, pid);
69
70 return handle;
71}
72
73static void nl80211_handle_destroy(struct nl_handle *handle)
74{
75 uint32_t port = nl_socket_get_local_port(handle);
76
77 port >>= 22;
78 port_bitmap[port / 32] &= ~(1 << (port % 32));
79
80 nl_handle_destroy(handle);
81}
82#endif /* CONFIG_LIBNL20 */
83
84
Dmitry Shmidt54605472013-11-08 11:10:19 -080085#ifdef ANDROID
86/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
Dmitry Shmidt54605472013-11-08 11:10:19 -080087#undef nl_socket_set_nonblocking
88#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -080089
Dmitry Shmidt54605472013-11-08 11:10:19 -080090#endif /* ANDROID */
91
92
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080093static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
94{
95 struct nl_handle *handle;
96
97 handle = nl80211_handle_alloc(cb);
98 if (handle == NULL) {
99 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
100 "callbacks (%s)", dbg);
101 return NULL;
102 }
103
104 if (genl_connect(handle)) {
105 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
106 "netlink (%s)", dbg);
107 nl80211_handle_destroy(handle);
108 return NULL;
109 }
110
111 return handle;
112}
113
114
115static void nl_destroy_handles(struct nl_handle **handle)
116{
117 if (*handle == NULL)
118 return;
119 nl80211_handle_destroy(*handle);
120 *handle = NULL;
121}
122
123
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -0700124#if __WORDSIZE == 64
125#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
126#else
127#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
128#endif
129
130static void nl80211_register_eloop_read(struct nl_handle **handle,
131 eloop_sock_handler handler,
132 void *eloop_data)
133{
Dmitry Shmidt807291d2015-01-27 13:40:23 -0800134#ifdef CONFIG_LIBNL20
135 /*
136 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
137 * by default. It is possible to hit that limit in some cases where
138 * operations are blocked, e.g., with a burst of Deauthentication frames
139 * to hostapd and STA entry deletion. Try to increase the buffer to make
140 * this less likely to occur.
141 */
142 if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
143 wpa_printf(MSG_DEBUG,
144 "nl80211: Could not set nl_socket RX buffer size: %s",
145 strerror(errno));
146 /* continue anyway with the default (smaller) buffer */
147 }
148#endif /* CONFIG_LIBNL20 */
149
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -0700150 nl_socket_set_nonblocking(*handle);
151 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
152 eloop_data, *handle);
153 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
154}
155
156
157static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
158{
159 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
160 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
161 nl_destroy_handles(handle);
162}
163
164
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800165static void nl80211_global_deinit(void *priv);
Dmitry Shmidt7f656022015-02-25 14:36:37 -0800166static void nl80211_check_global(struct nl80211_global *global);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800167
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -0800168static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
Dmitry Shmidt9ead16e2014-10-07 13:15:23 -0700169static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
170 struct hostapd_freq_params *freq);
Dmitry Shmidtd30ac602014-06-30 09:54:22 -0700171
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700172static int
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -0800173wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800174 const u8 *set_addr, int first,
175 const char *driver_params);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800176static int nl80211_send_frame_cmd(struct i802_bss *bss,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700177 unsigned int freq, unsigned int wait,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800178 const u8 *buf, size_t buf_len, u64 *cookie,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800179 int no_cck, int no_ack, int offchanok,
180 const u16 *csa_offs, size_t csa_offs_len);
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -0800181static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
182 int report);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700183
Dmitry Shmidt9c175262016-03-03 10:20:07 -0800184#define IFIDX_ANY -1
185
186static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
187 int ifidx_reason);
188static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
189 int ifidx_reason);
190static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
191 int ifidx_reason);
Dmitry Shmidt738a26e2011-07-07 14:22:14 -0700192
Dmitry Shmidt7832adb2014-04-29 10:53:02 -0700193static int nl80211_set_channel(struct i802_bss *bss,
194 struct hostapd_freq_params *freq, int set_chan);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700195static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
196 int ifindex, int disabled);
197
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800198static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
199 int reset_mode);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800200
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700201static int i802_set_iface_flags(struct i802_bss *bss, int up);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800202static int nl80211_set_param(void *priv, const char *param);
Dmitry Shmidtd13095b2016-08-22 14:02:19 -0700203#ifdef CONFIG_MESH
204static int nl80211_put_mesh_config(struct nl_msg *msg,
205 struct wpa_driver_mesh_bss_params *params);
206#endif /* CONFIG_MESH */
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700207
208
Dmitry Shmidt04f534e2013-12-09 15:50:16 -0800209/* Converts nl80211_chan_width to a common format */
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800210enum chan_width convert2width(int width)
Dmitry Shmidt04f534e2013-12-09 15:50:16 -0800211{
212 switch (width) {
213 case NL80211_CHAN_WIDTH_20_NOHT:
214 return CHAN_WIDTH_20_NOHT;
215 case NL80211_CHAN_WIDTH_20:
216 return CHAN_WIDTH_20;
217 case NL80211_CHAN_WIDTH_40:
218 return CHAN_WIDTH_40;
219 case NL80211_CHAN_WIDTH_80:
220 return CHAN_WIDTH_80;
221 case NL80211_CHAN_WIDTH_80P80:
222 return CHAN_WIDTH_80P80;
223 case NL80211_CHAN_WIDTH_160:
224 return CHAN_WIDTH_160;
225 }
226 return CHAN_WIDTH_UNKNOWN;
227}
228
229
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800230int is_ap_interface(enum nl80211_iftype nlmode)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800231{
Dmitry Shmidt7832adb2014-04-29 10:53:02 -0700232 return nlmode == NL80211_IFTYPE_AP ||
233 nlmode == NL80211_IFTYPE_P2P_GO;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800234}
235
236
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800237int is_sta_interface(enum nl80211_iftype nlmode)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800238{
Dmitry Shmidt7832adb2014-04-29 10:53:02 -0700239 return nlmode == NL80211_IFTYPE_STATION ||
240 nlmode == NL80211_IFTYPE_P2P_CLIENT;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800241}
242
243
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700244static int is_p2p_net_interface(enum nl80211_iftype nlmode)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800245{
Dmitry Shmidt7832adb2014-04-29 10:53:02 -0700246 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
247 nlmode == NL80211_IFTYPE_P2P_GO;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800248}
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700249
250
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800251struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
252 int ifindex)
Dmitry Shmidt9ead16e2014-10-07 13:15:23 -0700253{
254 struct i802_bss *bss;
255
256 for (bss = drv->first_bss; bss; bss = bss->next) {
257 if (bss->ifindex == ifindex)
258 return bss;
259 }
260
261 return NULL;
262}
263
264
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800265static int is_mesh_interface(enum nl80211_iftype nlmode)
266{
267 return nlmode == NL80211_IFTYPE_MESH_POINT;
268}
269
270
271void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
Dmitry Shmidt8bae4132013-06-06 11:25:10 -0700272{
273 if (drv->associated)
274 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
275 drv->associated = 0;
276 os_memset(drv->bssid, 0, ETH_ALEN);
277}
278
279
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700280/* nl80211 code */
281static int ack_handler(struct nl_msg *msg, void *arg)
282{
283 int *err = arg;
284 *err = 0;
285 return NL_STOP;
286}
287
288static int finish_handler(struct nl_msg *msg, void *arg)
289{
290 int *ret = arg;
291 *ret = 0;
292 return NL_SKIP;
293}
294
295static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
296 void *arg)
297{
298 int *ret = arg;
299 *ret = err->error;
300 return NL_SKIP;
301}
302
303
304static int no_seq_check(struct nl_msg *msg, void *arg)
305{
306 return NL_OK;
307}
308
309
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800310static void nl80211_nlmsg_clear(struct nl_msg *msg)
311{
312 /*
313 * Clear nlmsg data, e.g., to make sure key material is not left in
314 * heap memory for unnecessarily long time.
315 */
316 if (msg) {
317 struct nlmsghdr *hdr = nlmsg_hdr(msg);
318 void *data = nlmsg_data(hdr);
319 /*
320 * This would use nlmsg_datalen() or the older nlmsg_len() if
321 * only libnl were to maintain a stable API.. Neither will work
322 * with all released versions, so just calculate the length
323 * here.
324 */
325 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
326
327 os_memset(data, 0, len);
328 }
329}
330
331
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800332static int send_and_recv(struct nl80211_global *global,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700333 struct nl_handle *nl_handle, struct nl_msg *msg,
334 int (*valid_handler)(struct nl_msg *, void *),
335 void *valid_data)
336{
337 struct nl_cb *cb;
338 int err = -ENOMEM;
339
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800340 if (!msg)
341 return -ENOMEM;
342
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800343 cb = nl_cb_clone(global->nl_cb);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700344 if (!cb)
345 goto out;
346
347 err = nl_send_auto_complete(nl_handle, msg);
348 if (err < 0)
349 goto out;
350
351 err = 1;
352
353 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
354 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
355 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
356
357 if (valid_handler)
358 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
359 valid_handler, valid_data);
360
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -0700361 while (err > 0) {
362 int res = nl_recvmsgs(nl_handle, cb);
Dmitry Shmidt71757432014-06-02 13:50:35 -0700363 if (res < 0) {
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -0700364 wpa_printf(MSG_INFO,
365 "nl80211: %s->nl_recvmsgs failed: %d",
366 __func__, res);
367 }
368 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700369 out:
370 nl_cb_put(cb);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800371 if (!valid_handler && valid_data == (void *) -1)
372 nl80211_nlmsg_clear(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700373 nlmsg_free(msg);
374 return err;
375}
376
377
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800378int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
379 struct nl_msg *msg,
380 int (*valid_handler)(struct nl_msg *, void *),
381 void *valid_data)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700382{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800383 return send_and_recv(drv->global, drv->global->nl, msg,
384 valid_handler, valid_data);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700385}
386
387
388struct family_data {
389 const char *group;
390 int id;
391};
392
393
394static int family_handler(struct nl_msg *msg, void *arg)
395{
396 struct family_data *res = arg;
397 struct nlattr *tb[CTRL_ATTR_MAX + 1];
398 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
399 struct nlattr *mcgrp;
400 int i;
401
402 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
403 genlmsg_attrlen(gnlh, 0), NULL);
404 if (!tb[CTRL_ATTR_MCAST_GROUPS])
405 return NL_SKIP;
406
407 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
408 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
409 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
410 nla_len(mcgrp), NULL);
411 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
412 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
413 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
414 res->group,
415 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
416 continue;
417 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
418 break;
419 };
420
421 return NL_SKIP;
422}
423
424
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800425static int nl_get_multicast_id(struct nl80211_global *global,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700426 const char *family, const char *group)
427{
428 struct nl_msg *msg;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800429 int ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700430 struct family_data res = { group, -ENOENT };
431
432 msg = nlmsg_alloc();
433 if (!msg)
434 return -ENOMEM;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800435 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
436 0, 0, CTRL_CMD_GETFAMILY, 0) ||
437 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
438 nlmsg_free(msg);
439 return -1;
440 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700441
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800442 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700443 if (ret == 0)
444 ret = res.id;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700445 return ret;
446}
447
448
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800449void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
450 struct nl_msg *msg, int flags, uint8_t cmd)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800451{
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700452 if (TEST_FAIL())
453 return NULL;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800454 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
455 0, flags, cmd, 0);
456}
457
458
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800459static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
460{
461 if (bss->wdev_id_set)
462 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
463 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
464}
465
466
467struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
468{
469 struct nl_msg *msg;
470
471 msg = nlmsg_alloc();
472 if (!msg)
473 return NULL;
474
475 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
476 nl80211_set_iface_id(msg, bss) < 0) {
477 nlmsg_free(msg);
478 return NULL;
479 }
480
481 return msg;
482}
483
484
485static struct nl_msg *
486nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
487 int flags, uint8_t cmd)
488{
489 struct nl_msg *msg;
490
491 msg = nlmsg_alloc();
492 if (!msg)
493 return NULL;
494
495 if (!nl80211_cmd(drv, msg, flags, cmd) ||
496 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
497 nlmsg_free(msg);
498 return NULL;
499 }
500
501 return msg;
502}
503
504
505struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
506 uint8_t cmd)
507{
508 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
509}
510
511
512struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
513{
514 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
515}
516
517
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800518struct wiphy_idx_data {
519 int wiphy_idx;
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700520 enum nl80211_iftype nlmode;
521 u8 *macaddr;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800522};
523
524
525static int netdev_info_handler(struct nl_msg *msg, void *arg)
526{
527 struct nlattr *tb[NL80211_ATTR_MAX + 1];
528 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
529 struct wiphy_idx_data *info = arg;
530
531 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
532 genlmsg_attrlen(gnlh, 0), NULL);
533
534 if (tb[NL80211_ATTR_WIPHY])
535 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
536
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700537 if (tb[NL80211_ATTR_IFTYPE])
538 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
539
540 if (tb[NL80211_ATTR_MAC] && info->macaddr)
541 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
542 ETH_ALEN);
543
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800544 return NL_SKIP;
545}
546
547
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800548int nl80211_get_wiphy_index(struct i802_bss *bss)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800549{
550 struct nl_msg *msg;
551 struct wiphy_idx_data data = {
552 .wiphy_idx = -1,
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700553 .macaddr = NULL,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800554 };
555
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800556 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
557 return -1;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800558
559 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
560 return data.wiphy_idx;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800561 return -1;
562}
563
564
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700565static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
566{
567 struct nl_msg *msg;
568 struct wiphy_idx_data data = {
569 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
570 .macaddr = NULL,
571 };
572
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800573 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
574 return NL80211_IFTYPE_UNSPECIFIED;
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700575
576 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
577 return data.nlmode;
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700578 return NL80211_IFTYPE_UNSPECIFIED;
579}
580
581
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700582static int nl80211_get_macaddr(struct i802_bss *bss)
583{
584 struct nl_msg *msg;
585 struct wiphy_idx_data data = {
586 .macaddr = bss->addr,
587 };
588
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800589 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
590 return -1;
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700591
592 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700593}
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700594
595
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800596static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
597 struct nl80211_wiphy_data *w)
598{
599 struct nl_msg *msg;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800600 int ret;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800601
602 msg = nlmsg_alloc();
603 if (!msg)
604 return -1;
605
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800606 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
607 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
608 nlmsg_free(msg);
609 return -1;
610 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800611
612 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800613 if (ret) {
614 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
615 "failed: ret=%d (%s)",
616 ret, strerror(-ret));
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800617 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800618 return ret;
619}
620
621
622static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
623{
624 struct nl80211_wiphy_data *w = eloop_ctx;
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -0700625 int res;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800626
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800627 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800628
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -0700629 res = nl_recvmsgs(handle, w->nl_cb);
Dmitry Shmidt71757432014-06-02 13:50:35 -0700630 if (res < 0) {
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -0700631 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
632 __func__, res);
633 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800634}
635
636
637static int process_beacon_event(struct nl_msg *msg, void *arg)
638{
639 struct nl80211_wiphy_data *w = arg;
640 struct wpa_driver_nl80211_data *drv;
641 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
642 struct nlattr *tb[NL80211_ATTR_MAX + 1];
643 union wpa_event_data event;
644
645 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
646 genlmsg_attrlen(gnlh, 0), NULL);
647
648 if (gnlh->cmd != NL80211_CMD_FRAME) {
649 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
650 gnlh->cmd);
651 return NL_SKIP;
652 }
653
654 if (!tb[NL80211_ATTR_FRAME])
655 return NL_SKIP;
656
657 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
658 wiphy_list) {
659 os_memset(&event, 0, sizeof(event));
660 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
661 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
662 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
663 }
664
665 return NL_SKIP;
666}
667
668
669static struct nl80211_wiphy_data *
670nl80211_get_wiphy_data_ap(struct i802_bss *bss)
671{
672 static DEFINE_DL_LIST(nl80211_wiphys);
673 struct nl80211_wiphy_data *w;
674 int wiphy_idx, found = 0;
675 struct i802_bss *tmp_bss;
676
677 if (bss->wiphy_data != NULL)
678 return bss->wiphy_data;
679
680 wiphy_idx = nl80211_get_wiphy_index(bss);
681
682 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
683 if (w->wiphy_idx == wiphy_idx)
684 goto add;
685 }
686
687 /* alloc new one */
688 w = os_zalloc(sizeof(*w));
689 if (w == NULL)
690 return NULL;
691 w->wiphy_idx = wiphy_idx;
692 dl_list_init(&w->bsss);
693 dl_list_init(&w->drvs);
694
695 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
696 if (!w->nl_cb) {
697 os_free(w);
698 return NULL;
699 }
700 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
701 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
702 w);
703
704 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
705 "wiphy beacons");
706 if (w->nl_beacons == NULL) {
707 os_free(w);
708 return NULL;
709 }
710
711 if (nl80211_register_beacons(bss->drv, w)) {
712 nl_destroy_handles(&w->nl_beacons);
713 os_free(w);
714 return NULL;
715 }
716
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -0700717 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800718
719 dl_list_add(&nl80211_wiphys, &w->list);
720
721add:
722 /* drv entry for this bss already there? */
723 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
724 if (tmp_bss->drv == bss->drv) {
725 found = 1;
726 break;
727 }
728 }
729 /* if not add it */
730 if (!found)
731 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
732
733 dl_list_add(&w->bsss, &bss->wiphy_list);
734 bss->wiphy_data = w;
735 return w;
736}
737
738
739static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
740{
741 struct nl80211_wiphy_data *w = bss->wiphy_data;
742 struct i802_bss *tmp_bss;
743 int found = 0;
744
745 if (w == NULL)
746 return;
747 bss->wiphy_data = NULL;
748 dl_list_del(&bss->wiphy_list);
749
750 /* still any for this drv present? */
751 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
752 if (tmp_bss->drv == bss->drv) {
753 found = 1;
754 break;
755 }
756 }
757 /* if not remove it */
758 if (!found)
759 dl_list_del(&bss->drv->wiphy_list);
760
761 if (!dl_list_empty(&w->bsss))
762 return;
763
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -0700764 nl80211_destroy_eloop_handle(&w->nl_beacons);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800765
766 nl_cb_put(w->nl_cb);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800767 dl_list_del(&w->list);
768 os_free(w);
769}
770
771
Dmitry Shmidte4663042016-04-04 10:07:49 -0700772static unsigned int nl80211_get_ifindex(void *priv)
773{
774 struct i802_bss *bss = priv;
775 struct wpa_driver_nl80211_data *drv = bss->drv;
776
777 return drv->ifindex;
778}
779
780
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700781static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
782{
783 struct i802_bss *bss = priv;
784 struct wpa_driver_nl80211_data *drv = bss->drv;
785 if (!drv->associated)
786 return -1;
787 os_memcpy(bssid, drv->bssid, ETH_ALEN);
788 return 0;
789}
790
791
792static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
793{
794 struct i802_bss *bss = priv;
795 struct wpa_driver_nl80211_data *drv = bss->drv;
796 if (!drv->associated)
797 return -1;
798 os_memcpy(ssid, drv->ssid, drv->ssid_len);
799 return drv->ssid_len;
800}
801
802
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800803static void wpa_driver_nl80211_event_newlink(
Dmitry Shmidte4663042016-04-04 10:07:49 -0700804 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
805 int ifindex, const char *ifname)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700806{
807 union wpa_event_data event;
808
Dmitry Shmidte4663042016-04-04 10:07:49 -0700809 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800810 if (if_nametoindex(drv->first_bss->ifname) == 0) {
811 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
812 drv->first_bss->ifname);
813 return;
Dmitry Shmidt04949592012-07-19 12:16:46 -0700814 }
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800815 if (!drv->if_removed)
816 return;
817 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
818 drv->first_bss->ifname);
819 drv->if_removed = 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700820 }
821
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800822 os_memset(&event, 0, sizeof(event));
Dmitry Shmidte4663042016-04-04 10:07:49 -0700823 event.interface_status.ifindex = ifindex;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800824 os_strlcpy(event.interface_status.ifname, ifname,
825 sizeof(event.interface_status.ifname));
826 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
Dmitry Shmidte4663042016-04-04 10:07:49 -0700827 if (drv)
828 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
829 else
830 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
831 &event);
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800832}
833
834
835static void wpa_driver_nl80211_event_dellink(
Dmitry Shmidte4663042016-04-04 10:07:49 -0700836 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
837 int ifindex, const char *ifname)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800838{
839 union wpa_event_data event;
840
Dmitry Shmidte4663042016-04-04 10:07:49 -0700841 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800842 if (drv->if_removed) {
843 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
844 ifname);
845 return;
846 }
847 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
848 ifname);
849 drv->if_removed = 1;
850 } else {
851 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
852 ifname);
853 }
854
855 os_memset(&event, 0, sizeof(event));
Dmitry Shmidte4663042016-04-04 10:07:49 -0700856 event.interface_status.ifindex = ifindex;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800857 os_strlcpy(event.interface_status.ifname, ifname,
858 sizeof(event.interface_status.ifname));
859 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
Dmitry Shmidte4663042016-04-04 10:07:49 -0700860 if (drv)
861 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
862 else
863 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
864 &event);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700865}
866
867
868static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
869 u8 *buf, size_t len)
870{
871 int attrlen, rta_len;
872 struct rtattr *attr;
873
874 attrlen = len;
875 attr = (struct rtattr *) buf;
876
877 rta_len = RTA_ALIGN(sizeof(struct rtattr));
878 while (RTA_OK(attr, attrlen)) {
879 if (attr->rta_type == IFLA_IFNAME) {
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800880 if (os_strcmp(((char *) attr) + rta_len,
881 drv->first_bss->ifname) == 0)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700882 return 1;
883 else
884 break;
885 }
886 attr = RTA_NEXT(attr, attrlen);
887 }
888
889 return 0;
890}
891
892
893static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
894 int ifindex, u8 *buf, size_t len)
895{
896 if (drv->ifindex == ifindex)
897 return 1;
898
899 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
Dmitry Shmidt7f656022015-02-25 14:36:37 -0800900 nl80211_check_global(drv->global);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700901 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
902 "interface");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800903 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700904 return 1;
905 }
906
907 return 0;
908}
909
910
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800911static struct wpa_driver_nl80211_data *
912nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
913{
914 struct wpa_driver_nl80211_data *drv;
915 dl_list_for_each(drv, &global->interfaces,
916 struct wpa_driver_nl80211_data, list) {
917 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
Dmitry Shmidt9c175262016-03-03 10:20:07 -0800918 have_ifidx(drv, idx, IFIDX_ANY))
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800919 return drv;
920 }
921 return NULL;
922}
923
924
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700925static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
926 struct ifinfomsg *ifi,
927 u8 *buf, size_t len)
928{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800929 struct nl80211_global *global = ctx;
930 struct wpa_driver_nl80211_data *drv;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800931 int attrlen;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700932 struct rtattr *attr;
933 u32 brid = 0;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800934 char namebuf[IFNAMSIZ];
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800935 char ifname[IFNAMSIZ + 1];
936 char extra[100], *pos, *end;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700937
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800938 extra[0] = '\0';
939 pos = extra;
940 end = pos + sizeof(extra);
941 ifname[0] = '\0';
942
943 attrlen = len;
944 attr = (struct rtattr *) buf;
945 while (RTA_OK(attr, attrlen)) {
946 switch (attr->rta_type) {
947 case IFLA_IFNAME:
948 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
949 break;
950 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
951 ifname[RTA_PAYLOAD(attr)] = '\0';
952 break;
953 case IFLA_MASTER:
954 brid = nla_get_u32((struct nlattr *) attr);
955 pos += os_snprintf(pos, end - pos, " master=%u", brid);
956 break;
957 case IFLA_WIRELESS:
958 pos += os_snprintf(pos, end - pos, " wext");
959 break;
960 case IFLA_OPERSTATE:
961 pos += os_snprintf(pos, end - pos, " operstate=%u",
962 nla_get_u32((struct nlattr *) attr));
963 break;
964 case IFLA_LINKMODE:
965 pos += os_snprintf(pos, end - pos, " linkmode=%u",
966 nla_get_u32((struct nlattr *) attr));
967 break;
968 }
969 attr = RTA_NEXT(attr, attrlen);
970 }
971 extra[sizeof(extra) - 1] = '\0';
972
Dmitry Shmidt661b4f72014-09-29 14:58:27 -0700973 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
974 ifi->ifi_index, ifname, extra, ifi->ifi_family,
975 ifi->ifi_flags,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700976 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
977 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
978 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
979 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
980
Dmitry Shmidte4663042016-04-04 10:07:49 -0700981 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
982 if (!drv)
983 goto event_newlink;
984
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700985 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
Dmitry Shmidt7f656022015-02-25 14:36:37 -0800986 namebuf[0] = '\0';
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800987 if (if_indextoname(ifi->ifi_index, namebuf) &&
Dmitry Shmidt7f656022015-02-25 14:36:37 -0800988 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800989 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
990 "event since interface %s is up", namebuf);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800991 drv->ignore_if_down_event = 0;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800992 return;
993 }
Dmitry Shmidt7f656022015-02-25 14:36:37 -0800994 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
995 namebuf, ifname);
996 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
997 wpa_printf(MSG_DEBUG,
998 "nl80211: Not the main interface (%s) - do not indicate interface down",
999 drv->first_bss->ifname);
1000 } else if (drv->ignore_if_down_event) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001001 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1002 "event generated by mode change");
1003 drv->ignore_if_down_event = 0;
1004 } else {
1005 drv->if_disabled = 1;
1006 wpa_supplicant_event(drv->ctx,
1007 EVENT_INTERFACE_DISABLED, NULL);
Dmitry Shmidta38abf92014-03-06 13:38:44 -08001008
1009 /*
1010 * Try to get drv again, since it may be removed as
1011 * part of the EVENT_INTERFACE_DISABLED handling for
1012 * dynamic interfaces
1013 */
1014 drv = nl80211_find_drv(global, ifi->ifi_index,
1015 buf, len);
1016 if (!drv)
1017 return;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001018 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001019 }
1020
1021 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001022 if (if_indextoname(ifi->ifi_index, namebuf) &&
Dmitry Shmidt7f656022015-02-25 14:36:37 -08001023 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001024 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1025 "event since interface %s is down",
1026 namebuf);
Dmitry Shmidtcce06662013-11-04 18:44:24 -08001027 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
Dmitry Shmidt04949592012-07-19 12:16:46 -07001028 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1029 "event since interface %s does not exist",
Dmitry Shmidtcce06662013-11-04 18:44:24 -08001030 drv->first_bss->ifname);
Dmitry Shmidt04949592012-07-19 12:16:46 -07001031 } else if (drv->if_removed) {
1032 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1033 "event since interface %s is marked "
Dmitry Shmidtcce06662013-11-04 18:44:24 -08001034 "removed", drv->first_bss->ifname);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001035 } else {
Dmitry Shmidt9ead16e2014-10-07 13:15:23 -07001036 struct i802_bss *bss;
1037 u8 addr[ETH_ALEN];
1038
1039 /* Re-read MAC address as it may have changed */
1040 bss = get_bss_ifindex(drv, ifi->ifi_index);
1041 if (bss &&
1042 linux_get_ifhwaddr(drv->global->ioctl_sock,
1043 bss->ifname, addr) < 0) {
1044 wpa_printf(MSG_DEBUG,
1045 "nl80211: %s: failed to re-read MAC address",
1046 bss->ifname);
1047 } else if (bss &&
1048 os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1049 wpa_printf(MSG_DEBUG,
1050 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1051 MACSTR " to " MACSTR,
1052 ifi->ifi_index, bss->ifname,
1053 MAC2STR(bss->addr),
1054 MAC2STR(addr));
1055 os_memcpy(bss->addr, addr, ETH_ALEN);
1056 }
1057
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001058 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1059 drv->if_disabled = 0;
1060 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1061 NULL);
1062 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001063 }
1064
1065 /*
1066 * Some drivers send the association event before the operup event--in
1067 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1068 * fails. This will hit us when wpa_supplicant does not need to do
1069 * IEEE 802.1X authentication
1070 */
1071 if (drv->operstate == 1 &&
1072 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001073 !(ifi->ifi_flags & IFF_RUNNING)) {
1074 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001075 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001076 -1, IF_OPER_UP);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001077 }
1078
Dmitry Shmidte4663042016-04-04 10:07:49 -07001079event_newlink:
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001080 if (ifname[0])
Dmitry Shmidte4663042016-04-04 10:07:49 -07001081 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1082 ifname);
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001083
Dmitry Shmidte4663042016-04-04 10:07:49 -07001084 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001085 struct i802_bss *bss;
1086
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001087 /* device has been added to bridge */
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001088 if (!if_indextoname(brid, namebuf)) {
1089 wpa_printf(MSG_DEBUG,
1090 "nl80211: Could not find bridge ifname for ifindex %u",
1091 brid);
1092 return;
1093 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001094 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1095 brid, namebuf);
Dmitry Shmidt9c175262016-03-03 10:20:07 -08001096 add_ifidx(drv, brid, ifi->ifi_index);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001097
1098 for (bss = drv->first_bss; bss; bss = bss->next) {
1099 if (os_strcmp(ifname, bss->ifname) == 0) {
1100 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1101 break;
1102 }
1103 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001104 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001105}
1106
1107
1108static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1109 struct ifinfomsg *ifi,
1110 u8 *buf, size_t len)
1111{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001112 struct nl80211_global *global = ctx;
1113 struct wpa_driver_nl80211_data *drv;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001114 int attrlen;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001115 struct rtattr *attr;
1116 u32 brid = 0;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001117 char ifname[IFNAMSIZ + 1];
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07001118 char extra[100], *pos, *end;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001119
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07001120 extra[0] = '\0';
1121 pos = extra;
1122 end = pos + sizeof(extra);
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001123 ifname[0] = '\0';
1124
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001125 attrlen = len;
1126 attr = (struct rtattr *) buf;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001127 while (RTA_OK(attr, attrlen)) {
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001128 switch (attr->rta_type) {
1129 case IFLA_IFNAME:
1130 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1131 break;
1132 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1133 ifname[RTA_PAYLOAD(attr)] = '\0';
1134 break;
1135 case IFLA_MASTER:
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001136 brid = nla_get_u32((struct nlattr *) attr);
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07001137 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1138 break;
1139 case IFLA_OPERSTATE:
1140 pos += os_snprintf(pos, end - pos, " operstate=%u",
1141 nla_get_u32((struct nlattr *) attr));
1142 break;
1143 case IFLA_LINKMODE:
1144 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1145 nla_get_u32((struct nlattr *) attr));
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001146 break;
1147 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001148 attr = RTA_NEXT(attr, attrlen);
1149 }
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07001150 extra[sizeof(extra) - 1] = '\0';
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001151
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07001152 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1153 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1154 ifi->ifi_flags,
1155 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1156 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1157 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1158 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1159
Dmitry Shmidte4663042016-04-04 10:07:49 -07001160 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001161
Dmitry Shmidte4663042016-04-04 10:07:49 -07001162 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001163 /* device has been removed from bridge */
1164 char namebuf[IFNAMSIZ];
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001165
1166 if (!if_indextoname(brid, namebuf)) {
1167 wpa_printf(MSG_DEBUG,
1168 "nl80211: Could not find bridge ifname for ifindex %u",
1169 brid);
1170 } else {
1171 wpa_printf(MSG_DEBUG,
1172 "nl80211: Remove ifindex %u for bridge %s",
1173 brid, namebuf);
1174 }
Dmitry Shmidt9c175262016-03-03 10:20:07 -08001175 del_ifidx(drv, brid, ifi->ifi_index);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001176 }
Dmitry Shmidte4663042016-04-04 10:07:49 -07001177
1178 if (ifi->ifi_family != AF_BRIDGE || !brid)
1179 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1180 ifname);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001181}
1182
1183
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001184unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
Jouni Malinen87fd2792011-05-16 18:35:42 +03001185{
1186 struct nl_msg *msg;
1187 int ret;
1188 struct nl80211_bss_info_arg arg;
1189
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001190 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
Jouni Malinen87fd2792011-05-16 18:35:42 +03001191 os_memset(&arg, 0, sizeof(arg));
Jouni Malinen87fd2792011-05-16 18:35:42 +03001192 arg.drv = drv;
1193 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
Jouni Malinen87fd2792011-05-16 18:35:42 +03001194 if (ret == 0) {
Dmitry Shmidt6dc03bd2014-05-16 10:40:13 -07001195 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1196 arg.ibss_freq : arg.assoc_freq;
Jouni Malinen87fd2792011-05-16 18:35:42 +03001197 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
Dmitry Shmidt6dc03bd2014-05-16 10:40:13 -07001198 "associated BSS from scan results: %u MHz", freq);
1199 if (freq)
1200 drv->assoc_freq = freq;
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07001201 return drv->assoc_freq;
Jouni Malinen87fd2792011-05-16 18:35:42 +03001202 }
1203 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1204 "(%s)", ret, strerror(-ret));
Jouni Malinen87fd2792011-05-16 18:35:42 +03001205 return drv->assoc_freq;
1206}
1207
1208
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001209static int get_link_signal(struct nl_msg *msg, void *arg)
1210{
1211 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1212 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1213 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1214 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1215 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
Dmitry Shmidt34af3062013-07-11 10:46:32 -07001216 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
Dmitry Shmidtf73259c2015-03-17 11:00:54 -07001217 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001218 };
1219 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1220 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1221 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1222 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1223 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1224 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1225 };
1226 struct wpa_signal_info *sig_change = arg;
1227
1228 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1229 genlmsg_attrlen(gnlh, 0), NULL);
1230 if (!tb[NL80211_ATTR_STA_INFO] ||
1231 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1232 tb[NL80211_ATTR_STA_INFO], policy))
1233 return NL_SKIP;
1234 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1235 return NL_SKIP;
1236
1237 sig_change->current_signal =
1238 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1239
Dmitry Shmidt34af3062013-07-11 10:46:32 -07001240 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1241 sig_change->avg_signal =
1242 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1243 else
1244 sig_change->avg_signal = 0;
1245
Dmitry Shmidtf73259c2015-03-17 11:00:54 -07001246 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1247 sig_change->avg_beacon_signal =
1248 (s8)
1249 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1250 else
1251 sig_change->avg_beacon_signal = 0;
1252
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001253 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1254 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1255 sinfo[NL80211_STA_INFO_TX_BITRATE],
1256 rate_policy)) {
1257 sig_change->current_txrate = 0;
1258 } else {
1259 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1260 sig_change->current_txrate =
1261 nla_get_u16(rinfo[
1262 NL80211_RATE_INFO_BITRATE]) * 100;
1263 }
1264 }
1265 }
1266
1267 return NL_SKIP;
1268}
1269
1270
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001271int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1272 struct wpa_signal_info *sig)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001273{
1274 struct nl_msg *msg;
1275
1276 sig->current_signal = -9999;
1277 sig->current_txrate = 0;
1278
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001279 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
1280 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1281 nlmsg_free(msg);
1282 return -ENOBUFS;
1283 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001284
1285 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001286}
1287
1288
1289static int get_link_noise(struct nl_msg *msg, void *arg)
1290{
1291 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1292 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1293 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1294 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1295 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1296 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1297 };
1298 struct wpa_signal_info *sig_change = arg;
1299
1300 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1301 genlmsg_attrlen(gnlh, 0), NULL);
1302
1303 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1304 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1305 return NL_SKIP;
1306 }
1307
1308 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1309 tb[NL80211_ATTR_SURVEY_INFO],
1310 survey_policy)) {
1311 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1312 "attributes!");
1313 return NL_SKIP;
1314 }
1315
1316 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1317 return NL_SKIP;
1318
1319 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1320 sig_change->frequency)
1321 return NL_SKIP;
1322
1323 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1324 return NL_SKIP;
1325
1326 sig_change->current_noise =
1327 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1328
1329 return NL_SKIP;
1330}
1331
1332
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001333int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1334 struct wpa_signal_info *sig_change)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001335{
1336 struct nl_msg *msg;
1337
1338 sig_change->current_noise = 9999;
1339 sig_change->frequency = drv->assoc_freq;
1340
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001341 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001342 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001343}
1344
1345
1346static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
1347 void *handle)
1348{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001349 struct nl_cb *cb = eloop_ctx;
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07001350 int res;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001351
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07001352 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001353
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07001354 res = nl_recvmsgs(handle, cb);
Dmitry Shmidt71757432014-06-02 13:50:35 -07001355 if (res < 0) {
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07001356 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1357 __func__, res);
1358 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001359}
1360
1361
1362/**
1363 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1364 * @priv: driver_nl80211 private data
1365 * @alpha2_arg: country to which to switch to
1366 * Returns: 0 on success, -1 on failure
1367 *
1368 * This asks nl80211 to set the regulatory domain for given
1369 * country ISO / IEC alpha2.
1370 */
1371static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1372{
1373 struct i802_bss *bss = priv;
1374 struct wpa_driver_nl80211_data *drv = bss->drv;
1375 char alpha2[3];
1376 struct nl_msg *msg;
1377
1378 msg = nlmsg_alloc();
1379 if (!msg)
1380 return -ENOMEM;
1381
1382 alpha2[0] = alpha2_arg[0];
1383 alpha2[1] = alpha2_arg[1];
1384 alpha2[2] = '\0';
1385
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001386 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1387 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1388 nlmsg_free(msg);
1389 return -EINVAL;
1390 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001391 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1392 return -EINVAL;
1393 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001394}
1395
1396
Dmitry Shmidtcce06662013-11-04 18:44:24 -08001397static int nl80211_get_country(struct nl_msg *msg, void *arg)
1398{
1399 char *alpha2 = arg;
1400 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1401 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1402
1403 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1404 genlmsg_attrlen(gnlh, 0), NULL);
1405 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1406 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1407 return NL_SKIP;
1408 }
1409 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1410 return NL_SKIP;
1411}
1412
1413
1414static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1415{
1416 struct i802_bss *bss = priv;
1417 struct wpa_driver_nl80211_data *drv = bss->drv;
1418 struct nl_msg *msg;
1419 int ret;
1420
1421 msg = nlmsg_alloc();
1422 if (!msg)
1423 return -ENOMEM;
1424
1425 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1426 alpha2[0] = '\0';
1427 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1428 if (!alpha2[0])
1429 ret = -1;
1430
1431 return ret;
1432}
1433
1434
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001435static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001436{
1437 int ret;
1438
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001439 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1440 if (global->nl_cb == NULL) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001441 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1442 "callbacks");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001443 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001444 }
1445
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001446 global->nl = nl_create_handle(global->nl_cb, "nl");
1447 if (global->nl == NULL)
1448 goto err;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001449
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001450 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
1451 if (global->nl80211_id < 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001452 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1453 "found");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001454 goto err;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001455 }
1456
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001457 global->nl_event = nl_create_handle(global->nl_cb, "event");
1458 if (global->nl_event == NULL)
1459 goto err;
1460
1461 ret = nl_get_multicast_id(global, "nl80211", "scan");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001462 if (ret >= 0)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001463 ret = nl_socket_add_membership(global->nl_event, ret);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001464 if (ret < 0) {
1465 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1466 "membership for scan events: %d (%s)",
1467 ret, strerror(-ret));
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001468 goto err;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001469 }
1470
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001471 ret = nl_get_multicast_id(global, "nl80211", "mlme");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001472 if (ret >= 0)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001473 ret = nl_socket_add_membership(global->nl_event, ret);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001474 if (ret < 0) {
1475 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1476 "membership for mlme events: %d (%s)",
1477 ret, strerror(-ret));
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001478 goto err;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001479 }
1480
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001481 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001482 if (ret >= 0)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001483 ret = nl_socket_add_membership(global->nl_event, ret);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001484 if (ret < 0) {
1485 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1486 "membership for regulatory events: %d (%s)",
1487 ret, strerror(-ret));
1488 /* Continue without regulatory events */
1489 }
1490
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001491 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1492 if (ret >= 0)
1493 ret = nl_socket_add_membership(global->nl_event, ret);
1494 if (ret < 0) {
1495 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1496 "membership for vendor events: %d (%s)",
1497 ret, strerror(-ret));
1498 /* Continue without vendor events */
1499 }
1500
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001501 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1502 no_seq_check, NULL);
1503 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1504 process_global_event, global);
1505
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07001506 nl80211_register_eloop_read(&global->nl_event,
1507 wpa_driver_nl80211_event_receive,
1508 global->nl_cb);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001509
1510 return 0;
1511
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001512err:
1513 nl_destroy_handles(&global->nl_event);
1514 nl_destroy_handles(&global->nl);
1515 nl_cb_put(global->nl_cb);
1516 global->nl_cb = NULL;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001517 return -1;
1518}
1519
1520
Dmitry Shmidt7f656022015-02-25 14:36:37 -08001521static void nl80211_check_global(struct nl80211_global *global)
1522{
1523 struct nl_handle *handle;
1524 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1525 int ret;
1526 unsigned int i;
1527
1528 /*
1529 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1530 * and all registration having been cleared.
1531 */
1532 handle = (void *) (((intptr_t) global->nl_event) ^
1533 ELOOP_SOCKET_INVALID);
1534
1535 for (i = 0; groups[i]; i++) {
1536 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1537 if (ret >= 0)
1538 ret = nl_socket_add_membership(handle, ret);
1539 if (ret < 0) {
1540 wpa_printf(MSG_INFO,
1541 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1542 groups[i], ret, strerror(-ret));
1543 }
1544 }
1545}
1546
1547
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001548static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1549{
Dmitry Shmidt7d56b752015-12-22 10:59:44 -08001550 struct wpa_driver_nl80211_data *drv = ctx;
1551
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001552 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
Dmitry Shmidt7d56b752015-12-22 10:59:44 -08001553
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001554 /*
Dmitry Shmidt7d56b752015-12-22 10:59:44 -08001555 * rtnetlink ifdown handler will report interfaces other than the P2P
1556 * Device interface as disabled.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001557 */
Dmitry Shmidt7d56b752015-12-22 10:59:44 -08001558 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1559 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001560}
1561
1562
1563static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1564{
1565 struct wpa_driver_nl80211_data *drv = ctx;
1566 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
Dmitry Shmidtcce06662013-11-04 18:44:24 -08001567 if (i802_set_iface_flags(drv->first_bss, 1)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001568 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1569 "after rfkill unblock");
1570 return;
1571 }
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001572
1573 if (is_p2p_net_interface(drv->nlmode))
1574 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1575
Dmitry Shmidt7d56b752015-12-22 10:59:44 -08001576 /*
1577 * rtnetlink ifup handler will report interfaces other than the P2P
1578 * Device interface as enabled.
1579 */
1580 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1581 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001582}
1583
1584
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001585static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1586 void *eloop_ctx,
1587 void *handle)
1588{
1589 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1590 u8 data[2048];
1591 struct msghdr msg;
1592 struct iovec entry;
Dmitry Shmidt04949592012-07-19 12:16:46 -07001593 u8 control[512];
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001594 struct cmsghdr *cmsg;
1595 int res, found_ee = 0, found_wifi = 0, acked = 0;
1596 union wpa_event_data event;
1597
1598 memset(&msg, 0, sizeof(msg));
1599 msg.msg_iov = &entry;
1600 msg.msg_iovlen = 1;
1601 entry.iov_base = data;
1602 entry.iov_len = sizeof(data);
1603 msg.msg_control = &control;
1604 msg.msg_controllen = sizeof(control);
1605
1606 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1607 /* if error or not fitting 802.3 header, return */
1608 if (res < 14)
1609 return;
1610
1611 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1612 {
1613 if (cmsg->cmsg_level == SOL_SOCKET &&
1614 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1615 int *ack;
1616
1617 found_wifi = 1;
1618 ack = (void *)CMSG_DATA(cmsg);
1619 acked = *ack;
1620 }
1621
1622 if (cmsg->cmsg_level == SOL_PACKET &&
1623 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1624 struct sock_extended_err *err =
1625 (struct sock_extended_err *)CMSG_DATA(cmsg);
1626
1627 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1628 found_ee = 1;
1629 }
1630 }
1631
1632 if (!found_ee || !found_wifi)
1633 return;
1634
1635 memset(&event, 0, sizeof(event));
1636 event.eapol_tx_status.dst = data;
1637 event.eapol_tx_status.data = data + 14;
1638 event.eapol_tx_status.data_len = res - 14;
1639 event.eapol_tx_status.ack = acked;
1640 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1641}
1642
1643
1644static int nl80211_init_bss(struct i802_bss *bss)
1645{
1646 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1647 if (!bss->nl_cb)
1648 return -1;
1649
1650 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1651 no_seq_check, NULL);
1652 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1653 process_bss_event, bss);
1654
1655 return 0;
1656}
1657
1658
1659static void nl80211_destroy_bss(struct i802_bss *bss)
1660{
1661 nl_cb_put(bss->nl_cb);
1662 bss->nl_cb = NULL;
1663}
1664
1665
Dmitry Shmidt7d56b752015-12-22 10:59:44 -08001666static void
1667wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1668{
1669 struct rfkill_config *rcfg;
1670
1671 if (drv->rfkill)
1672 return;
1673
1674 rcfg = os_zalloc(sizeof(*rcfg));
1675 if (!rcfg)
1676 return;
1677
1678 rcfg->ctx = drv;
1679
1680 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1681 * not associated with a netdev, so use the name of some other interface
1682 * sharing the same wiphy as the P2P Device interface.
1683 *
1684 * Note: This is valid, as a P2P Device interface is always dynamically
1685 * created and is created only once another wpa_s interface was added.
1686 */
1687 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1688 struct nl80211_global *global = drv->global;
1689 struct wpa_driver_nl80211_data *tmp1;
1690
1691 dl_list_for_each(tmp1, &global->interfaces,
1692 struct wpa_driver_nl80211_data, list) {
1693 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1694 !tmp1->rfkill)
1695 continue;
1696
1697 wpa_printf(MSG_DEBUG,
1698 "nl80211: Use (%s) to initialize P2P Device rfkill",
1699 tmp1->first_bss->ifname);
1700 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1701 sizeof(rcfg->ifname));
1702 break;
1703 }
1704 } else {
1705 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1706 sizeof(rcfg->ifname));
1707 }
1708
1709 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1710 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1711 drv->rfkill = rfkill_init(rcfg);
1712 if (!drv->rfkill) {
1713 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1714 os_free(rcfg);
1715 }
1716}
1717
1718
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08001719static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1720 void *global_priv, int hostapd,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001721 const u8 *set_addr,
1722 const char *driver_params)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001723{
1724 struct wpa_driver_nl80211_data *drv;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001725 struct i802_bss *bss;
1726
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001727 if (global_priv == NULL)
1728 return NULL;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001729 drv = os_zalloc(sizeof(*drv));
1730 if (drv == NULL)
1731 return NULL;
1732 drv->global = global_priv;
1733 drv->ctx = ctx;
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08001734 drv->hostapd = !!hostapd;
1735 drv->eapol_sock = -1;
Dmitry Shmidtff787d52015-01-12 13:01:47 -08001736
1737 /*
1738 * There is no driver capability flag for this, so assume it is
1739 * supported and disable this on first attempt to use if the driver
1740 * rejects the command due to missing support.
1741 */
1742 drv->set_rekey_offload = 1;
1743
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08001744 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1745 drv->if_indices = drv->default_if_indices;
Dmitry Shmidt9c175262016-03-03 10:20:07 -08001746 drv->if_indices_reason = drv->default_if_indices_reason;
Dmitry Shmidtcce06662013-11-04 18:44:24 -08001747
1748 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1749 if (!drv->first_bss) {
1750 os_free(drv);
1751 return NULL;
1752 }
1753 bss = drv->first_bss;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001754 bss->drv = drv;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08001755 bss->ctx = ctx;
1756
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001757 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
1758 drv->monitor_ifidx = -1;
1759 drv->monitor_sock = -1;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001760 drv->eapol_tx_sock = -1;
1761 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001762
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001763 if (nl80211_init_bss(bss))
1764 goto failed;
1765
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001766 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001767 goto failed;
1768
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001769 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
1770 if (drv->eapol_tx_sock < 0)
1771 goto failed;
1772
1773 if (drv->data_tx_status) {
1774 int enabled = 1;
1775
1776 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1777 &enabled, sizeof(enabled)) < 0) {
1778 wpa_printf(MSG_DEBUG,
1779 "nl80211: wifi status sockopt failed\n");
1780 drv->data_tx_status = 0;
1781 if (!drv->use_monitor)
1782 drv->capa.flags &=
1783 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1784 } else {
1785 eloop_register_read_sock(drv->eapol_tx_sock,
1786 wpa_driver_nl80211_handle_eapol_tx_status,
1787 drv, NULL);
1788 }
1789 }
1790
1791 if (drv->global) {
Dmitry Shmidt7f656022015-02-25 14:36:37 -08001792 nl80211_check_global(drv->global);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001793 dl_list_add(&drv->global->interfaces, &drv->list);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001794 drv->in_interface_list = 1;
1795 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001796
1797 return bss;
1798
1799failed:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001800 wpa_driver_nl80211_deinit(bss);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001801 return NULL;
1802}
1803
1804
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08001805/**
1806 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1807 * @ctx: context to be used when calling wpa_supplicant functions,
1808 * e.g., wpa_supplicant_event()
1809 * @ifname: interface name, e.g., wlan0
1810 * @global_priv: private driver global data from global_init()
1811 * Returns: Pointer to private data, %NULL on failure
1812 */
1813static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1814 void *global_priv)
1815{
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001816 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1817 NULL);
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08001818}
1819
1820
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001821static int nl80211_register_frame(struct i802_bss *bss,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001822 struct nl_handle *nl_handle,
1823 u16 type, const u8 *match, size_t match_len)
1824{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001825 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001826 struct nl_msg *msg;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001827 int ret;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001828 char buf[30];
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001829
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001830 buf[0] = '\0';
1831 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
Dmitry Shmidt2271d3f2014-06-23 12:16:31 -07001832 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1833 type, fc2str(type), nl_handle, buf);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001834
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001835 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
1836 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1837 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1838 nlmsg_free(msg);
1839 return -1;
1840 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001841
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001842 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001843 if (ret) {
1844 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1845 "failed (type=%u): ret=%d (%s)",
1846 type, ret, strerror(-ret));
1847 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
1848 match, match_len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001849 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001850 return ret;
1851}
1852
1853
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001854static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1855{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001856 if (bss->nl_mgmt) {
1857 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
1858 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
1859 return -1;
1860 }
1861
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001862 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001863 if (bss->nl_mgmt == NULL)
1864 return -1;
1865
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001866 return 0;
1867}
1868
1869
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07001870static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1871{
1872 nl80211_register_eloop_read(&bss->nl_mgmt,
1873 wpa_driver_nl80211_event_receive,
1874 bss->nl_cb);
1875}
1876
1877
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001878static int nl80211_register_action_frame(struct i802_bss *bss,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001879 const u8 *match, size_t match_len)
1880{
1881 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001882 return nl80211_register_frame(bss, bss->nl_mgmt,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001883 type, match, match_len);
1884}
1885
1886
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001887static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001888{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001889 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001890 int ret = 0;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001891
1892 if (nl80211_alloc_mgmt_handle(bss))
1893 return -1;
1894 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
1895 "handle %p", bss->nl_mgmt);
1896
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07001897 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
1898 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1899
1900 /* register for any AUTH message */
1901 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
1902 }
1903
Dmitry Shmidt051af732013-10-22 13:52:46 -07001904#ifdef CONFIG_INTERWORKING
1905 /* QoS Map Configure */
1906 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001907 ret = -1;
Dmitry Shmidt051af732013-10-22 13:52:46 -07001908#endif /* CONFIG_INTERWORKING */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001909#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001910 /* GAS Initial Request */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001911 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001912 ret = -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001913 /* GAS Initial Response */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001914 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001915 ret = -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001916 /* GAS Comeback Request */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001917 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001918 ret = -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001919 /* GAS Comeback Response */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001920 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001921 ret = -1;
Dmitry Shmidt18463232014-01-24 12:29:41 -08001922 /* Protected GAS Initial Request */
1923 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
1924 ret = -1;
1925 /* Protected GAS Initial Response */
1926 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
1927 ret = -1;
1928 /* Protected GAS Comeback Request */
1929 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
1930 ret = -1;
1931 /* Protected GAS Comeback Response */
1932 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
1933 ret = -1;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001934#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
1935#ifdef CONFIG_P2P
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001936 /* P2P Public Action */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001937 if (nl80211_register_action_frame(bss,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001938 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
1939 6) < 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001940 ret = -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001941 /* P2P Action */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001942 if (nl80211_register_action_frame(bss,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001943 (u8 *) "\x7f\x50\x6f\x9a\x09",
1944 5) < 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001945 ret = -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001946#endif /* CONFIG_P2P */
1947#ifdef CONFIG_IEEE80211W
1948 /* SA Query Response */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001949 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001950 ret = -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001951#endif /* CONFIG_IEEE80211W */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001952#ifdef CONFIG_TDLS
1953 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
1954 /* TDLS Discovery Response */
1955 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
1956 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001957 ret = -1;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001958 }
1959#endif /* CONFIG_TDLS */
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001960#ifdef CONFIG_FST
1961 /* FST Action frames */
1962 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
1963 ret = -1;
1964#endif /* CONFIG_FST */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001965
1966 /* FT Action frames */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001967 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001968 ret = -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001969 else
1970 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
1971 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
1972
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001973 /* WNM - BSS Transition Management Request */
1974 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001975 ret = -1;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08001976 /* WNM-Sleep Mode Response */
1977 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001978 ret = -1;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001979
Dmitry Shmidtf21452a2014-02-26 10:55:25 -08001980#ifdef CONFIG_HS20
1981 /* WNM-Notification */
1982 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07001983 ret = -1;
Dmitry Shmidtf21452a2014-02-26 10:55:25 -08001984#endif /* CONFIG_HS20 */
1985
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001986 /* WMM-AC ADDTS Response */
1987 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
1988 ret = -1;
1989
1990 /* WMM-AC DELTS */
1991 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
1992 ret = -1;
1993
1994 /* Radio Measurement - Neighbor Report Response */
1995 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
1996 ret = -1;
1997
Dmitry Shmidt849734c2016-05-27 09:59:01 -07001998 /* Radio Measurement - Radio Measurement Request */
1999 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2000 ret = -1;
2001
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002002 /* Radio Measurement - Link Measurement Request */
2003 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2004 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2005 ret = -1;
2006
2007 nl80211_mgmt_handle_register_eloop(bss);
2008
2009 return ret;
2010}
2011
2012
2013static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2014{
2015 int ret = 0;
2016
2017 if (nl80211_alloc_mgmt_handle(bss))
2018 return -1;
2019
2020 wpa_printf(MSG_DEBUG,
2021 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2022 bss->nl_mgmt);
2023
2024 /* Auth frames for mesh SAE */
2025 if (nl80211_register_frame(bss, bss->nl_mgmt,
2026 (WLAN_FC_TYPE_MGMT << 2) |
2027 (WLAN_FC_STYPE_AUTH << 4),
2028 NULL, 0) < 0)
2029 ret = -1;
2030
2031 /* Mesh peering open */
2032 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2033 ret = -1;
2034 /* Mesh peering confirm */
2035 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2036 ret = -1;
2037 /* Mesh peering close */
2038 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2039 ret = -1;
2040
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07002041 nl80211_mgmt_handle_register_eloop(bss);
2042
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08002043 return ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002044}
2045
2046
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002047static int nl80211_register_spurious_class3(struct i802_bss *bss)
2048{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002049 struct nl_msg *msg;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002050 int ret;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002051
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002052 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2053 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002054 if (ret) {
2055 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2056 "failed: ret=%d (%s)",
2057 ret, strerror(-ret));
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002058 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002059 return ret;
2060}
2061
2062
Dmitry Shmidt849734c2016-05-27 09:59:01 -07002063static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2064{
2065 int ret = 0;
2066
2067 /* Public Action frames */
2068 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2069 ret = -1;
2070 /* RRM Measurement Report */
2071 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2072 ret = -1;
2073 /* RRM Neighbor Report Request */
2074 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2075 ret = -1;
2076 /* FT Action frames */
2077 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2078 ret = -1;
2079#ifdef CONFIG_IEEE80211W
2080 /* SA Query */
2081 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2082 ret = -1;
2083#endif /* CONFIG_IEEE80211W */
2084 /* Protected Dual of Public Action */
2085 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2086 ret = -1;
2087 /* WNM */
2088 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2089 ret = -1;
2090 /* WMM */
2091 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2092 ret = -1;
2093#ifdef CONFIG_FST
2094 /* FST Action frames */
2095 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2096 ret = -1;
2097#endif /* CONFIG_FST */
2098 /* Vendor-specific */
2099 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2100 ret = -1;
2101
2102 return ret;
2103}
2104
2105
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002106static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2107{
2108 static const int stypes[] = {
2109 WLAN_FC_STYPE_AUTH,
2110 WLAN_FC_STYPE_ASSOC_REQ,
2111 WLAN_FC_STYPE_REASSOC_REQ,
2112 WLAN_FC_STYPE_DISASSOC,
2113 WLAN_FC_STYPE_DEAUTH,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002114 WLAN_FC_STYPE_PROBE_REQ,
2115/* Beacon doesn't work as mac80211 doesn't currently allow
2116 * it, but it wouldn't really be the right thing anyway as
2117 * it isn't per interface ... maybe just dump the scan
2118 * results periodically for OLBC?
2119 */
Dmitry Shmidt7832adb2014-04-29 10:53:02 -07002120 /* WLAN_FC_STYPE_BEACON, */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002121 };
2122 unsigned int i;
2123
2124 if (nl80211_alloc_mgmt_handle(bss))
2125 return -1;
2126 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2127 "handle %p", bss->nl_mgmt);
2128
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07002129 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002130 if (nl80211_register_frame(bss, bss->nl_mgmt,
2131 (WLAN_FC_TYPE_MGMT << 2) |
2132 (stypes[i] << 4),
2133 NULL, 0) < 0) {
2134 goto out_err;
2135 }
2136 }
2137
Dmitry Shmidt849734c2016-05-27 09:59:01 -07002138 if (nl80211_action_subscribe_ap(bss))
2139 goto out_err;
2140
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002141 if (nl80211_register_spurious_class3(bss))
2142 goto out_err;
2143
2144 if (nl80211_get_wiphy_data_ap(bss) == NULL)
2145 goto out_err;
2146
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07002147 nl80211_mgmt_handle_register_eloop(bss);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002148 return 0;
2149
2150out_err:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002151 nl_destroy_handles(&bss->nl_mgmt);
2152 return -1;
2153}
2154
2155
2156static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2157{
2158 if (nl80211_alloc_mgmt_handle(bss))
2159 return -1;
2160 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2161 "handle %p (device SME)", bss->nl_mgmt);
2162
Dmitry Shmidt849734c2016-05-27 09:59:01 -07002163 if (nl80211_action_subscribe_ap(bss))
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002164 goto out_err;
2165
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07002166 nl80211_mgmt_handle_register_eloop(bss);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002167 return 0;
2168
2169out_err:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002170 nl_destroy_handles(&bss->nl_mgmt);
2171 return -1;
2172}
2173
2174
2175static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
2176{
2177 if (bss->nl_mgmt == NULL)
2178 return;
2179 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2180 "(%s)", bss->nl_mgmt, reason);
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07002181 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002182
2183 nl80211_put_wiphy_data_ap(bss);
2184}
2185
2186
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002187static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2188{
2189 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2190}
2191
2192
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002193static void nl80211_del_p2pdev(struct i802_bss *bss)
2194{
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002195 struct nl_msg *msg;
2196 int ret;
2197
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002198 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2199 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002200
2201 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2202 bss->ifname, (long long unsigned int) bss->wdev_id,
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07002203 strerror(-ret));
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002204}
2205
2206
2207static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
2208{
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002209 struct nl_msg *msg;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002210 int ret;
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002211
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002212 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2213 NL80211_CMD_STOP_P2P_DEVICE);
2214 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002215
2216 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2217 start ? "Start" : "Stop",
2218 bss->ifname, (long long unsigned int) bss->wdev_id,
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07002219 strerror(-ret));
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002220 return ret;
2221}
2222
2223
2224static int i802_set_iface_flags(struct i802_bss *bss, int up)
2225{
2226 enum nl80211_iftype nlmode;
2227
2228 nlmode = nl80211_get_ifmode(bss);
2229 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2230 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2231 bss->ifname, up);
2232 }
2233
2234 /* P2P Device has start/stop which is equivalent */
2235 return nl80211_set_p2pdev(bss, up);
2236}
2237
2238
Dmitry Shmidt7f656022015-02-25 14:36:37 -08002239#ifdef CONFIG_TESTING_OPTIONS
2240static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2241{
2242 /* struct wpa_driver_nl80211_data *drv = arg; */
2243 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2244 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2245
2246
2247 wpa_printf(MSG_DEBUG,
2248 "nl80211: QCA vendor test command response received");
2249
2250 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2251 genlmsg_attrlen(gnlh, 0), NULL);
2252 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2253 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2254 return NL_SKIP;
2255 }
2256
2257 wpa_hexdump(MSG_DEBUG,
2258 "nl80211: Received QCA vendor test command response",
2259 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2260 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2261
2262 return NL_SKIP;
2263}
2264#endif /* CONFIG_TESTING_OPTIONS */
2265
2266
2267static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2268{
2269#ifdef CONFIG_TESTING_OPTIONS
2270 struct nl_msg *msg;
2271 struct nlattr *params;
2272 int ret;
2273
2274 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2275 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2276 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2277 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2278 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2279 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2280 nlmsg_free(msg);
2281 return;
2282 }
2283 nla_nest_end(msg, params);
2284
2285 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2286 wpa_printf(MSG_DEBUG,
2287 "nl80211: QCA vendor test command returned %d (%s)",
2288 ret, strerror(-ret));
2289#endif /* CONFIG_TESTING_OPTIONS */
2290}
2291
2292
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002293static int
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08002294wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002295 const u8 *set_addr, int first,
2296 const char *driver_params)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002297{
Dmitry Shmidtcce06662013-11-04 18:44:24 -08002298 struct i802_bss *bss = drv->first_bss;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002299 int send_rfkill_event = 0;
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08002300 enum nl80211_iftype nlmode;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002301
2302 drv->ifindex = if_nametoindex(bss->ifname);
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002303 bss->ifindex = drv->ifindex;
2304 bss->wdev_id = drv->global->if_add_wdevid;
2305 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2306
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07002307 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2308 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002309 drv->global->if_add_wdevid_set = 0;
2310
Dmitry Shmidt03658832014-08-13 11:03:49 -07002311 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2312 bss->static_ap = 1;
2313
Dmitry Shmidt014a3ff2015-12-28 13:27:49 -08002314 if (first &&
2315 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2316 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2317 drv->start_iface_up = 1;
2318
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002319 if (wpa_driver_nl80211_capa(drv))
2320 return -1;
2321
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002322 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2323 return -1;
2324
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002325 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2326 bss->ifname, drv->phyname);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002327
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08002328 if (set_addr &&
2329 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2330 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2331 set_addr)))
2332 return -1;
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002333
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08002334 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2335 drv->start_mode_ap = 1;
2336
Dmitry Shmidt03658832014-08-13 11:03:49 -07002337 if (drv->hostapd || bss->static_ap)
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08002338 nlmode = NL80211_IFTYPE_AP;
Dmitry Shmidt7f2c7532016-08-15 09:48:12 -07002339 else if (bss->if_dynamic ||
2340 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08002341 nlmode = nl80211_get_ifmode(bss);
2342 else
2343 nlmode = NL80211_IFTYPE_STATION;
2344
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002345 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08002346 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002347 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002348 }
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002349
Dmitry Shmidt98660862014-03-11 17:26:21 -07002350 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002351 nl80211_get_macaddr(bss);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002352
Dmitry Shmidt7d56b752015-12-22 10:59:44 -08002353 wpa_driver_nl80211_drv_init_rfkill(drv);
2354
Dmitry Shmidt98660862014-03-11 17:26:21 -07002355 if (!rfkill_is_blocked(drv->rfkill)) {
2356 int ret = i802_set_iface_flags(bss, 1);
2357 if (ret) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002358 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2359 "interface '%s' UP", bss->ifname);
Dmitry Shmidt98660862014-03-11 17:26:21 -07002360 return ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002361 }
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08002362
2363 if (is_p2p_net_interface(nlmode))
2364 nl80211_disable_11b_rates(bss->drv,
2365 bss->drv->ifindex, 1);
2366
Dmitry Shmidt98660862014-03-11 17:26:21 -07002367 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2368 return ret;
2369 } else {
2370 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2371 "interface '%s' due to rfkill", bss->ifname);
Dmitry Shmidt7d56b752015-12-22 10:59:44 -08002372 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2373 drv->if_disabled = 1;
2374
Dmitry Shmidt98660862014-03-11 17:26:21 -07002375 send_rfkill_event = 1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002376 }
2377
Dmitry Shmidt7d56b752015-12-22 10:59:44 -08002378 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08002379 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2380 1, IF_OPER_DORMANT);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002381
Dmitry Shmidt7d56b752015-12-22 10:59:44 -08002382 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2383 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2384 bss->addr))
2385 return -1;
2386 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2387 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002388
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002389 if (send_rfkill_event) {
2390 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2391 drv, drv->ctx);
2392 }
2393
Dmitry Shmidt7f656022015-02-25 14:36:37 -08002394 if (drv->vendor_cmd_test_avail)
2395 qca_vendor_test(drv);
2396
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002397 return 0;
2398}
2399
2400
2401static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
2402{
2403 struct nl_msg *msg;
2404
Dmitry Shmidtcce06662013-11-04 18:44:24 -08002405 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2406 drv->ifindex);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002407 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002408 return send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002409}
2410
2411
2412/**
2413 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08002414 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002415 *
2416 * Shut down driver interface and processing of driver events. Free
2417 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2418 */
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08002419static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002420{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002421 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -07002422 unsigned int i;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002423
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002424 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2425 bss->ifname, drv->disabled_11b_rates);
2426
Dmitry Shmidt04949592012-07-19 12:16:46 -07002427 bss->in_deinit = 1;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002428 if (drv->data_tx_status)
2429 eloop_unregister_read_sock(drv->eapol_tx_sock);
2430 if (drv->eapol_tx_sock >= 0)
2431 close(drv->eapol_tx_sock);
2432
2433 if (bss->nl_preq)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002434 wpa_driver_nl80211_probe_req_report(bss, 0);
2435 if (bss->added_if_into_bridge) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002436 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2437 bss->ifname) < 0)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002438 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2439 "interface %s from bridge %s: %s",
2440 bss->ifname, bss->brname, strerror(errno));
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07002441 if (drv->rtnl_sk)
Dmitry Shmidt9ead16e2014-10-07 13:15:23 -07002442 nl80211_handle_destroy(drv->rtnl_sk);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002443 }
2444 if (bss->added_bridge) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002445 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2446 0) < 0)
2447 wpa_printf(MSG_INFO,
2448 "nl80211: Could not set bridge %s down",
2449 bss->brname);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002450 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002451 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2452 "bridge %s: %s",
2453 bss->brname, strerror(errno));
2454 }
2455
2456 nl80211_remove_monitor_interface(drv);
2457
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002458 if (is_ap_interface(drv->nlmode))
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002459 wpa_driver_nl80211_del_beacon(drv);
2460
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002461 if (drv->eapol_sock >= 0) {
2462 eloop_unregister_read_sock(drv->eapol_sock);
2463 close(drv->eapol_sock);
2464 }
2465
2466 if (drv->if_indices != drv->default_if_indices)
2467 os_free(drv->if_indices);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002468
Dmitry Shmidt9c175262016-03-03 10:20:07 -08002469 if (drv->if_indices_reason != drv->default_if_indices_reason)
2470 os_free(drv->if_indices_reason);
2471
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002472 if (drv->disabled_11b_rates)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002473 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2474
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002475 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2476 IF_OPER_UP);
Dmitry Shmidtb58836e2014-04-29 14:35:56 -07002477 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002478 rfkill_deinit(drv->rfkill);
2479
2480 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2481
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08002482 if (!drv->start_iface_up)
2483 (void) i802_set_iface_flags(bss, 0);
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07002484
2485 if (drv->addr_changed) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002486 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2487 0) < 0) {
2488 wpa_printf(MSG_DEBUG,
2489 "nl80211: Could not set interface down to restore permanent MAC address");
2490 }
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07002491 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2492 drv->perm_addr) < 0) {
2493 wpa_printf(MSG_DEBUG,
2494 "nl80211: Could not restore permanent MAC address");
2495 }
2496 }
2497
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002498 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08002499 if (!drv->hostapd || !drv->start_mode_ap)
2500 wpa_driver_nl80211_set_mode(bss,
2501 NL80211_IFTYPE_STATION);
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07002502 nl80211_mgmt_unsubscribe(bss, "deinit");
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002503 } else {
2504 nl80211_mgmt_unsubscribe(bss, "deinit");
2505 nl80211_del_p2pdev(bss);
2506 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002507
Dmitry Shmidtcce06662013-11-04 18:44:24 -08002508 nl80211_destroy_bss(drv->first_bss);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002509
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002510 os_free(drv->filter_ssids);
2511
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002512 os_free(drv->auth_ie);
2513
2514 if (drv->in_interface_list)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002515 dl_list_del(&drv->list);
2516
Dmitry Shmidt444d5672013-04-01 13:08:44 -07002517 os_free(drv->extended_capa);
2518 os_free(drv->extended_capa_mask);
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -07002519 for (i = 0; i < drv->num_iface_ext_capa; i++) {
2520 os_free(drv->iface_ext_capa[i].ext_capa);
2521 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2522 }
Dmitry Shmidtcce06662013-11-04 18:44:24 -08002523 os_free(drv->first_bss);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002524 os_free(drv);
2525}
2526
2527
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08002528static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2529{
2530 switch (alg) {
2531 case WPA_ALG_WEP:
2532 if (key_len == 5)
2533 return WLAN_CIPHER_SUITE_WEP40;
2534 return WLAN_CIPHER_SUITE_WEP104;
2535 case WPA_ALG_TKIP:
2536 return WLAN_CIPHER_SUITE_TKIP;
2537 case WPA_ALG_CCMP:
2538 return WLAN_CIPHER_SUITE_CCMP;
2539 case WPA_ALG_GCMP:
2540 return WLAN_CIPHER_SUITE_GCMP;
2541 case WPA_ALG_CCMP_256:
2542 return WLAN_CIPHER_SUITE_CCMP_256;
2543 case WPA_ALG_GCMP_256:
2544 return WLAN_CIPHER_SUITE_GCMP_256;
2545 case WPA_ALG_IGTK:
2546 return WLAN_CIPHER_SUITE_AES_CMAC;
2547 case WPA_ALG_BIP_GMAC_128:
2548 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
2549 case WPA_ALG_BIP_GMAC_256:
2550 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
2551 case WPA_ALG_BIP_CMAC_256:
2552 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
2553 case WPA_ALG_SMS4:
2554 return WLAN_CIPHER_SUITE_SMS4;
2555 case WPA_ALG_KRK:
2556 return WLAN_CIPHER_SUITE_KRK;
2557 case WPA_ALG_NONE:
2558 case WPA_ALG_PMK:
2559 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2560 alg);
2561 return 0;
2562 }
2563
2564 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2565 alg);
2566 return 0;
2567}
2568
2569
2570static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2571{
2572 switch (cipher) {
2573 case WPA_CIPHER_CCMP_256:
2574 return WLAN_CIPHER_SUITE_CCMP_256;
2575 case WPA_CIPHER_GCMP_256:
2576 return WLAN_CIPHER_SUITE_GCMP_256;
2577 case WPA_CIPHER_CCMP:
2578 return WLAN_CIPHER_SUITE_CCMP;
2579 case WPA_CIPHER_GCMP:
2580 return WLAN_CIPHER_SUITE_GCMP;
2581 case WPA_CIPHER_TKIP:
2582 return WLAN_CIPHER_SUITE_TKIP;
2583 case WPA_CIPHER_WEP104:
2584 return WLAN_CIPHER_SUITE_WEP104;
2585 case WPA_CIPHER_WEP40:
2586 return WLAN_CIPHER_SUITE_WEP40;
Dmitry Shmidtf21452a2014-02-26 10:55:25 -08002587 case WPA_CIPHER_GTK_NOT_USED:
2588 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08002589 }
2590
2591 return 0;
2592}
2593
2594
2595static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2596 int max_suites)
2597{
2598 int num_suites = 0;
2599
2600 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2601 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
2602 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2603 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
2604 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2605 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
2606 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2607 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
2608 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2609 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
2610 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2611 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
2612 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2613 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
2614
2615 return num_suites;
2616}
2617
2618
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08002619#ifdef CONFIG_DRIVER_NL80211_QCA
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002620static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2621 const u8 *key, size_t key_len)
2622{
2623 struct nl_msg *msg;
2624 int ret;
2625
2626 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
2627 return 0;
2628
2629 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2630 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2631 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2632 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2633 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
2634 nl80211_nlmsg_clear(msg);
2635 nlmsg_free(msg);
2636 return -1;
2637 }
2638 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
2639 if (ret) {
2640 wpa_printf(MSG_DEBUG,
2641 "nl80211: Key management set key failed: ret=%d (%s)",
2642 ret, strerror(-ret));
2643 }
2644
2645 return ret;
2646}
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08002647#endif /* CONFIG_DRIVER_NL80211_QCA */
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002648
2649
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08002650static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002651 enum wpa_alg alg, const u8 *addr,
2652 int key_idx, int set_tx,
2653 const u8 *seq, size_t seq_len,
2654 const u8 *key, size_t key_len)
2655{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002656 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002657 int ifindex;
Dmitry Shmidt1d755d02015-04-28 10:34:29 -07002658 struct nl_msg *msg = NULL;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002659 int ret;
Dmitry Shmidtd5c075b2013-08-05 14:36:10 -07002660 int tdls = 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002661
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002662 /* Ignore for P2P Device */
2663 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2664 return 0;
2665
2666 ifindex = if_nametoindex(ifname);
2667 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002668 "set_tx=%d seq_len=%lu key_len=%lu",
Dmitry Shmidt34af3062013-07-11 10:46:32 -07002669 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002670 (unsigned long) seq_len, (unsigned long) key_len);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002671#ifdef CONFIG_TDLS
Dmitry Shmidtd5c075b2013-08-05 14:36:10 -07002672 if (key_idx == -1) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002673 key_idx = 0;
Dmitry Shmidtd5c075b2013-08-05 14:36:10 -07002674 tdls = 1;
2675 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002676#endif /* CONFIG_TDLS */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002677
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08002678#ifdef CONFIG_DRIVER_NL80211_QCA
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002679 if (alg == WPA_ALG_PMK &&
2680 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
2681 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2682 __func__);
2683 ret = issue_key_mgmt_set_key(drv, key, key_len);
2684 return ret;
2685 }
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08002686#endif /* CONFIG_DRIVER_NL80211_QCA */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002687
2688 if (alg == WPA_ALG_NONE) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002689 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2690 if (!msg)
2691 return -ENOBUFS;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002692 } else {
Dmitry Shmidt1d755d02015-04-28 10:34:29 -07002693 u32 suite;
2694
2695 suite = wpa_alg_to_cipher_suite(alg, key_len);
2696 if (!suite)
2697 goto fail;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002698 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2699 if (!msg ||
2700 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
Dmitry Shmidt1d755d02015-04-28 10:34:29 -07002701 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002702 goto fail;
Dmitry Shmidt98660862014-03-11 17:26:21 -07002703 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002704 }
2705
Dmitry Shmidt98660862014-03-11 17:26:21 -07002706 if (seq && seq_len) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002707 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2708 goto fail;
Dmitry Shmidt98660862014-03-11 17:26:21 -07002709 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2710 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002711
2712 if (addr && !is_broadcast_ether_addr(addr)) {
2713 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002714 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2715 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002716
2717 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2718 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002719 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2720 NL80211_KEYTYPE_GROUP))
2721 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002722 }
2723 } else if (addr && is_broadcast_ether_addr(addr)) {
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07002724 struct nlattr *types;
2725
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002726 wpa_printf(MSG_DEBUG, " broadcast key");
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07002727
2728 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002729 if (!types ||
2730 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2731 goto fail;
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07002732 nla_nest_end(msg, types);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002733 }
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002734 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2735 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002736
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002737 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002738 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
2739 ret = 0;
2740 if (ret)
2741 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2742 ret, strerror(-ret));
2743
2744 /*
2745 * If we failed or don't need to set the default TX key (below),
2746 * we're done here.
2747 */
Dmitry Shmidtd5c075b2013-08-05 14:36:10 -07002748 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002749 return ret;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002750 if (is_ap_interface(drv->nlmode) && addr &&
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002751 !is_broadcast_ether_addr(addr))
2752 return ret;
2753
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002754 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2755 if (!msg ||
2756 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
Dmitry Shmidt807291d2015-01-27 13:40:23 -08002757 nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
2758 alg == WPA_ALG_BIP_GMAC_128 ||
2759 alg == WPA_ALG_BIP_GMAC_256 ||
2760 alg == WPA_ALG_BIP_CMAC_256) ?
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002761 NL80211_ATTR_KEY_DEFAULT_MGMT :
2762 NL80211_ATTR_KEY_DEFAULT))
2763 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002764 if (addr && is_broadcast_ether_addr(addr)) {
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07002765 struct nlattr *types;
2766
2767 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002768 if (!types ||
2769 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2770 goto fail;
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07002771 nla_nest_end(msg, types);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002772 } else if (addr) {
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07002773 struct nlattr *types;
2774
2775 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002776 if (!types ||
2777 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2778 goto fail;
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07002779 nla_nest_end(msg, types);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002780 }
2781
2782 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2783 if (ret == -ENOENT)
2784 ret = 0;
2785 if (ret)
2786 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2787 "err=%d %s)", ret, strerror(-ret));
2788 return ret;
2789
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002790fail:
2791 nl80211_nlmsg_clear(msg);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002792 nlmsg_free(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002793 return -ENOBUFS;
2794}
2795
2796
2797static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
2798 int key_idx, int defkey,
2799 const u8 *seq, size_t seq_len,
2800 const u8 *key, size_t key_len)
2801{
2802 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
Dmitry Shmidt1d755d02015-04-28 10:34:29 -07002803 u32 suite;
2804
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002805 if (!key_attr)
2806 return -1;
2807
Dmitry Shmidt1d755d02015-04-28 10:34:29 -07002808 suite = wpa_alg_to_cipher_suite(alg, key_len);
2809 if (!suite)
2810 return -1;
2811
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002812 if (defkey && alg == WPA_ALG_IGTK) {
2813 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2814 return -1;
2815 } else if (defkey) {
2816 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2817 return -1;
2818 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002819
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002820 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
Dmitry Shmidt1d755d02015-04-28 10:34:29 -07002821 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002822 (seq && seq_len &&
2823 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2824 nla_put(msg, NL80211_KEY_DATA, key_len, key))
2825 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002826
2827 nla_nest_end(msg, key_attr);
2828
2829 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002830}
2831
2832
2833static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2834 struct nl_msg *msg)
2835{
2836 int i, privacy = 0;
2837 struct nlattr *nl_keys, *nl_key;
2838
2839 for (i = 0; i < 4; i++) {
2840 if (!params->wep_key[i])
2841 continue;
2842 privacy = 1;
2843 break;
2844 }
2845 if (params->wps == WPS_MODE_PRIVACY)
2846 privacy = 1;
2847 if (params->pairwise_suite &&
2848 params->pairwise_suite != WPA_CIPHER_NONE)
2849 privacy = 1;
2850
2851 if (!privacy)
2852 return 0;
2853
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002854 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2855 return -ENOBUFS;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002856
2857 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2858 if (!nl_keys)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002859 return -ENOBUFS;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002860
2861 for (i = 0; i < 4; i++) {
2862 if (!params->wep_key[i])
2863 continue;
2864
2865 nl_key = nla_nest_start(msg, i);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002866 if (!nl_key ||
2867 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
2868 params->wep_key[i]) ||
2869 nla_put_u32(msg, NL80211_KEY_CIPHER,
2870 params->wep_key_len[i] == 5 ?
2871 WLAN_CIPHER_SUITE_WEP40 :
2872 WLAN_CIPHER_SUITE_WEP104) ||
2873 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
2874 (i == params->wep_tx_keyidx &&
2875 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
2876 return -ENOBUFS;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002877
2878 nla_nest_end(msg, nl_key);
2879 }
2880 nla_nest_end(msg, nl_keys);
2881
2882 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002883}
2884
2885
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002886int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
2887 const u8 *addr, int cmd, u16 reason_code,
2888 int local_state_change)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002889{
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002890 int ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002891 struct nl_msg *msg;
2892
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002893 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
2894 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
2895 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
2896 (local_state_change &&
2897 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
2898 nlmsg_free(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002899 return -1;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002900 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002901
2902 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002903 if (ret) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002904 wpa_dbg(drv->ctx, MSG_DEBUG,
2905 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2906 reason_code, ret, strerror(-ret));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002907 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002908 return ret;
2909}
2910
2911
2912static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08002913 int reason_code)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002914{
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002915 int ret;
2916
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08002917 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07002918 nl80211_mark_disconnected(drv);
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08002919 /* Disconnect command doesn't need BSSID - it uses cached value */
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07002920 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
2921 reason_code, 0);
2922 /*
2923 * For locally generated disconnect, supplicant already generates a
2924 * DEAUTH event, so ignore the event from NL80211.
2925 */
2926 drv->ignore_next_local_disconnect = ret == 0;
2927
2928 return ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002929}
2930
2931
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08002932static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
2933 const u8 *addr, int reason_code)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002934{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002935 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidt7dba0e52014-04-14 10:49:15 -07002936 int ret;
Dmitry Shmidt413dde72014-04-11 10:23:22 -07002937
2938 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2939 nl80211_mark_disconnected(drv);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08002940 return nl80211_leave_ibss(drv, 1);
Dmitry Shmidt413dde72014-04-11 10:23:22 -07002941 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002942 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08002943 return wpa_driver_nl80211_disconnect(drv, reason_code);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002944 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
2945 __func__, MAC2STR(addr), reason_code);
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07002946 nl80211_mark_disconnected(drv);
Dmitry Shmidt7dba0e52014-04-14 10:49:15 -07002947 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
2948 reason_code, 0);
2949 /*
2950 * For locally generated deauthenticate, supplicant already generates a
2951 * DEAUTH event, so ignore the event from NL80211.
2952 */
2953 drv->ignore_next_local_deauth = ret == 0;
2954 return ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07002955}
2956
2957
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08002958static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
2959 struct wpa_driver_auth_params *params)
2960{
2961 int i;
2962
2963 drv->auth_freq = params->freq;
2964 drv->auth_alg = params->auth_alg;
2965 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
2966 drv->auth_local_state_change = params->local_state_change;
2967 drv->auth_p2p = params->p2p;
2968
2969 if (params->bssid)
2970 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
2971 else
2972 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
2973
2974 if (params->ssid) {
2975 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
2976 drv->auth_ssid_len = params->ssid_len;
2977 } else
2978 drv->auth_ssid_len = 0;
2979
2980
2981 os_free(drv->auth_ie);
2982 drv->auth_ie = NULL;
2983 drv->auth_ie_len = 0;
2984 if (params->ie) {
2985 drv->auth_ie = os_malloc(params->ie_len);
2986 if (drv->auth_ie) {
2987 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
2988 drv->auth_ie_len = params->ie_len;
2989 }
2990 }
2991
2992 for (i = 0; i < 4; i++) {
2993 if (params->wep_key[i] && params->wep_key_len[i] &&
2994 params->wep_key_len[i] <= 16) {
2995 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
2996 params->wep_key_len[i]);
2997 drv->auth_wep_key_len[i] = params->wep_key_len[i];
2998 } else
2999 drv->auth_wep_key_len[i] = 0;
3000 }
3001}
3002
3003
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003004static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3005{
3006 struct wpa_driver_nl80211_data *drv = bss->drv;
3007
3008 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3009 return;
3010
3011 /*
3012 * Looks like we failed to unmask 11b rates previously. This could
3013 * happen, e.g., if the interface was down at the point in time when a
3014 * P2P group was terminated.
3015 */
3016 wpa_printf(MSG_DEBUG,
3017 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3018 bss->ifname);
3019 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3020}
3021
3022
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003023static int wpa_driver_nl80211_authenticate(
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08003024 struct i802_bss *bss, struct wpa_driver_auth_params *params)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003025{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003026 struct wpa_driver_nl80211_data *drv = bss->drv;
3027 int ret = -1, i;
3028 struct nl_msg *msg;
3029 enum nl80211_auth_type type;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003030 enum nl80211_iftype nlmode;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003031 int count = 0;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003032 int is_retry;
3033
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003034 nl80211_unmask_11b_rates(bss);
3035
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003036 is_retry = drv->retry_auth;
3037 drv->retry_auth = 0;
Dmitry Shmidt98660862014-03-11 17:26:21 -07003038 drv->ignore_deauth_event = 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003039
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07003040 nl80211_mark_disconnected(drv);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003041 os_memset(drv->auth_bssid, 0, ETH_ALEN);
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07003042 if (params->bssid)
3043 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3044 else
3045 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003046 /* FIX: IBSS mode */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003047 nlmode = params->p2p ?
3048 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3049 if (drv->nlmode != nlmode &&
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08003050 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003051 return -1;
3052
3053retry:
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003054 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3055 drv->ifindex);
3056
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003057 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3058 if (!msg)
3059 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003060
3061 for (i = 0; i < 4; i++) {
3062 if (!params->wep_key[i])
3063 continue;
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08003064 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003065 NULL, i,
3066 i == params->wep_tx_keyidx, NULL, 0,
3067 params->wep_key[i],
3068 params->wep_key_len[i]);
3069 if (params->wep_tx_keyidx != i)
3070 continue;
3071 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003072 params->wep_key[i], params->wep_key_len[i]))
3073 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003074 }
3075
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003076 if (params->bssid) {
3077 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3078 MAC2STR(params->bssid));
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003079 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3080 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003081 }
3082 if (params->freq) {
3083 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003084 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3085 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003086 }
3087 if (params->ssid) {
3088 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
3089 params->ssid, params->ssid_len);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003090 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3091 params->ssid))
3092 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003093 }
3094 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003095 if (params->ie &&
3096 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3097 goto fail;
Dmitry Shmidtfe31a9a2016-11-09 13:43:31 -08003098 if (params->sae_data) {
3099 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
3100 params->sae_data_len);
3101 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
3102 params->sae_data))
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003103 goto fail;
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08003104 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003105 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
3106 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
3107 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
3108 type = NL80211_AUTHTYPE_SHARED_KEY;
3109 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
3110 type = NL80211_AUTHTYPE_NETWORK_EAP;
3111 else if (params->auth_alg & WPA_AUTH_ALG_FT)
3112 type = NL80211_AUTHTYPE_FT;
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08003113 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
3114 type = NL80211_AUTHTYPE_SAE;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003115 else
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003116 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003117 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003118 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
3119 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003120 if (params->local_state_change) {
3121 wpa_printf(MSG_DEBUG, " * Local state change only");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003122 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3123 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003124 }
3125
3126 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3127 msg = NULL;
3128 if (ret) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003129 wpa_dbg(drv->ctx, MSG_DEBUG,
3130 "nl80211: MLME command failed (auth): ret=%d (%s)",
3131 ret, strerror(-ret));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003132 count++;
3133 if (ret == -EALREADY && count == 1 && params->bssid &&
3134 !params->local_state_change) {
3135 /*
3136 * mac80211 does not currently accept new
3137 * authentication if we are already authenticated. As a
3138 * workaround, force deauthentication and try again.
3139 */
3140 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3141 "after forced deauthentication");
Dmitry Shmidt98660862014-03-11 17:26:21 -07003142 drv->ignore_deauth_event = 1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003143 wpa_driver_nl80211_deauthenticate(
3144 bss, params->bssid,
3145 WLAN_REASON_PREV_AUTH_NOT_VALID);
3146 nlmsg_free(msg);
3147 goto retry;
3148 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003149
3150 if (ret == -ENOENT && params->freq && !is_retry) {
3151 /*
3152 * cfg80211 has likely expired the BSS entry even
3153 * though it was previously available in our internal
3154 * BSS table. To recover quickly, start a single
3155 * channel scan on the specified channel.
3156 */
3157 struct wpa_driver_scan_params scan;
3158 int freqs[2];
3159
3160 os_memset(&scan, 0, sizeof(scan));
3161 scan.num_ssids = 1;
3162 if (params->ssid) {
3163 scan.ssids[0].ssid = params->ssid;
3164 scan.ssids[0].ssid_len = params->ssid_len;
3165 }
3166 freqs[0] = params->freq;
3167 freqs[1] = 0;
3168 scan.freqs = freqs;
3169 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3170 "channel scan to refresh cfg80211 BSS "
3171 "entry");
3172 ret = wpa_driver_nl80211_scan(bss, &scan);
3173 if (ret == 0) {
3174 nl80211_copy_auth_params(drv, params);
3175 drv->scan_for_auth = 1;
3176 }
3177 } else if (is_retry) {
3178 /*
3179 * Need to indicate this with an event since the return
3180 * value from the retry is not delivered to core code.
3181 */
3182 union wpa_event_data event;
3183 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3184 "failed");
3185 os_memset(&event, 0, sizeof(event));
3186 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3187 ETH_ALEN);
3188 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3189 &event);
3190 }
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003191 } else {
3192 wpa_printf(MSG_DEBUG,
3193 "nl80211: Authentication request send successfully");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003194 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003195
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003196fail:
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003197 nlmsg_free(msg);
3198 return ret;
3199}
3200
3201
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003202int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003203{
3204 struct wpa_driver_auth_params params;
Dmitry Shmidtcce06662013-11-04 18:44:24 -08003205 struct i802_bss *bss = drv->first_bss;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003206 int i;
3207
3208 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3209
3210 os_memset(&params, 0, sizeof(params));
3211 params.freq = drv->auth_freq;
3212 params.auth_alg = drv->auth_alg;
3213 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3214 params.local_state_change = drv->auth_local_state_change;
3215 params.p2p = drv->auth_p2p;
3216
3217 if (!is_zero_ether_addr(drv->auth_bssid_))
3218 params.bssid = drv->auth_bssid_;
3219
3220 if (drv->auth_ssid_len) {
3221 params.ssid = drv->auth_ssid;
3222 params.ssid_len = drv->auth_ssid_len;
3223 }
3224
3225 params.ie = drv->auth_ie;
3226 params.ie_len = drv->auth_ie_len;
3227
3228 for (i = 0; i < 4; i++) {
3229 if (drv->auth_wep_key_len[i]) {
3230 params.wep_key[i] = drv->auth_wep_key[i];
3231 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3232 }
3233 }
3234
3235 drv->retry_auth = 1;
3236 return wpa_driver_nl80211_authenticate(bss, &params);
3237}
3238
3239
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003240static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3241 const void *data, size_t len,
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08003242 int encrypt, int noack,
3243 unsigned int freq, int no_cck,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08003244 int offchanok, unsigned int wait_time,
3245 const u16 *csa_offs,
3246 size_t csa_offs_len)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003247{
3248 struct wpa_driver_nl80211_data *drv = bss->drv;
3249 u64 cookie;
Dmitry Shmidt051af732013-10-22 13:52:46 -07003250 int res;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003251
Dmitry Shmidt6dc03bd2014-05-16 10:40:13 -07003252 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3253 freq = nl80211_get_assoc_freq(drv);
3254 wpa_printf(MSG_DEBUG,
3255 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3256 freq);
3257 }
Dmitry Shmidt56052862013-10-04 10:23:25 -07003258 if (freq == 0) {
3259 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3260 bss->freq);
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08003261 freq = bss->freq;
Dmitry Shmidt56052862013-10-04 10:23:25 -07003262 }
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08003263
Dmitry Shmidt56052862013-10-04 10:23:25 -07003264 if (drv->use_monitor) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003265 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
Dmitry Shmidt56052862013-10-04 10:23:25 -07003266 freq, bss->freq);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003267 return nl80211_send_monitor(drv, data, len, encrypt, noack);
Dmitry Shmidt56052862013-10-04 10:23:25 -07003268 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003269
Dmitry Shmidt56052862013-10-04 10:23:25 -07003270 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
Dmitry Shmidt051af732013-10-22 13:52:46 -07003271 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08003272 &cookie, no_cck, noack, offchanok,
3273 csa_offs, csa_offs_len);
Dmitry Shmidt051af732013-10-22 13:52:46 -07003274 if (res == 0 && !noack) {
3275 const struct ieee80211_mgmt *mgmt;
3276 u16 fc;
3277
3278 mgmt = (const struct ieee80211_mgmt *) data;
3279 fc = le_to_host16(mgmt->frame_control);
3280 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3281 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3282 wpa_printf(MSG_MSGDUMP,
3283 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3284 (long long unsigned int)
3285 drv->send_action_cookie,
3286 (long long unsigned int) cookie);
3287 drv->send_action_cookie = cookie;
3288 }
3289 }
3290
3291 return res;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003292}
3293
3294
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08003295static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3296 size_t data_len, int noack,
3297 unsigned int freq, int no_cck,
3298 int offchanok,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08003299 unsigned int wait_time,
3300 const u16 *csa_offs,
3301 size_t csa_offs_len)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003302{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003303 struct wpa_driver_nl80211_data *drv = bss->drv;
3304 struct ieee80211_mgmt *mgmt;
3305 int encrypt = 1;
3306 u16 fc;
3307
3308 mgmt = (struct ieee80211_mgmt *) data;
3309 fc = le_to_host16(mgmt->frame_control);
Dmitry Shmidt2271d3f2014-06-23 12:16:31 -07003310 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3311 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3312 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3313 fc, fc2str(fc), drv->nlmode);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003314
Dmitry Shmidt34af3062013-07-11 10:46:32 -07003315 if ((is_sta_interface(drv->nlmode) ||
3316 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003317 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3318 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3319 /*
3320 * The use of last_mgmt_freq is a bit of a hack,
3321 * but it works due to the single-threaded nature
3322 * of wpa_supplicant.
3323 */
Dmitry Shmidt56052862013-10-04 10:23:25 -07003324 if (freq == 0) {
3325 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3326 drv->last_mgmt_freq);
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08003327 freq = drv->last_mgmt_freq;
Dmitry Shmidt56052862013-10-04 10:23:25 -07003328 }
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08003329 return nl80211_send_frame_cmd(bss, freq, 0,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003330 data, data_len, NULL, 1, noack,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08003331 1, csa_offs, csa_offs_len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003332 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003333
3334 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
Dmitry Shmidt56052862013-10-04 10:23:25 -07003335 if (freq == 0) {
3336 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3337 bss->freq);
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08003338 freq = bss->freq;
Dmitry Shmidt56052862013-10-04 10:23:25 -07003339 }
Dmitry Shmidt04949592012-07-19 12:16:46 -07003340 return nl80211_send_frame_cmd(bss, freq,
3341 (int) freq == bss->freq ? 0 :
3342 wait_time,
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08003343 data, data_len,
3344 &drv->send_action_cookie,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08003345 no_cck, noack, offchanok,
3346 csa_offs, csa_offs_len);
Dmitry Shmidt6e933c12011-09-27 12:29:26 -07003347 }
Dmitry Shmidtb638fe72012-03-20 12:51:25 -07003348
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003349 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3350 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3351 /*
3352 * Only one of the authentication frame types is encrypted.
3353 * In order for static WEP encryption to work properly (i.e.,
3354 * to not encrypt the frame), we need to tell mac80211 about
3355 * the frames that must not be encrypted.
3356 */
3357 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3358 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
3359 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3360 encrypt = 0;
3361 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003362
Dmitry Shmidt56052862013-10-04 10:23:25 -07003363 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003364 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08003365 noack, freq, no_cck, offchanok,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08003366 wait_time, csa_offs,
3367 csa_offs_len);
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08003368}
3369
3370
Dmitry Shmidtff787d52015-01-12 13:01:47 -08003371static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3372{
3373 u8 rates[NL80211_MAX_SUPP_RATES];
3374 u8 rates_len = 0;
3375 int i;
3376
3377 if (!basic_rates)
3378 return 0;
3379
3380 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3381 rates[rates_len++] = basic_rates[i] / 5;
3382
3383 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3384}
3385
3386
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003387static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
3388 int slot, int ht_opmode, int ap_isolate,
Dmitry Shmidtff787d52015-01-12 13:01:47 -08003389 const int *basic_rates)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003390{
3391 struct wpa_driver_nl80211_data *drv = bss->drv;
3392 struct nl_msg *msg;
3393
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003394 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
3395 (cts >= 0 &&
3396 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3397 (preamble >= 0 &&
3398 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3399 (slot >= 0 &&
3400 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3401 (ht_opmode >= 0 &&
3402 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3403 (ap_isolate >= 0 &&
Dmitry Shmidtff787d52015-01-12 13:01:47 -08003404 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3405 nl80211_put_basic_rates(msg, basic_rates)) {
3406 nlmsg_free(msg);
3407 return -ENOBUFS;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003408 }
3409
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003410 return send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003411}
3412
3413
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07003414static int wpa_driver_nl80211_set_acl(void *priv,
3415 struct hostapd_acl_params *params)
3416{
3417 struct i802_bss *bss = priv;
3418 struct wpa_driver_nl80211_data *drv = bss->drv;
3419 struct nl_msg *msg;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08003420 struct nl_msg *acl;
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07003421 unsigned int i;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003422 int ret;
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07003423
3424 if (!(drv->capa.max_acl_mac_addrs))
3425 return -ENOTSUP;
3426
3427 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3428 return -ENOTSUP;
3429
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07003430 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3431 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3432
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08003433 acl = nlmsg_alloc();
3434 if (!acl)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003435 return -ENOMEM;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003436 for (i = 0; i < params->num_mac_acl; i++) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08003437 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3438 nlmsg_free(acl);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003439 return -ENOMEM;
3440 }
3441 }
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07003442
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08003443 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
3444 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3445 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3446 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
3447 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
3448 nlmsg_free(msg);
3449 nlmsg_free(acl);
3450 return -ENOMEM;
3451 }
3452 nlmsg_free(acl);
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07003453
3454 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07003455 if (ret) {
3456 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3457 ret, strerror(-ret));
3458 }
3459
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07003460 return ret;
3461}
3462
3463
Dmitry Shmidtff787d52015-01-12 13:01:47 -08003464static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3465{
3466 if (beacon_int > 0) {
3467 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3468 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3469 beacon_int);
3470 }
3471
3472 return 0;
3473}
3474
3475
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07003476static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3477{
3478 if (dtim_period > 0) {
3479 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3480 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3481 }
3482
3483 return 0;
3484}
3485
3486
Dmitry Shmidtd13095b2016-08-22 14:02:19 -07003487#ifdef CONFIG_MESH
3488static int nl80211_set_mesh_config(void *priv,
3489 struct wpa_driver_mesh_bss_params *params)
3490{
3491 struct i802_bss *bss = priv;
3492 struct wpa_driver_nl80211_data *drv = bss->drv;
3493 struct nl_msg *msg;
3494 int ret;
3495
3496 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3497 if (!msg)
3498 return -1;
3499
3500 ret = nl80211_put_mesh_config(msg, params);
3501 if (ret < 0) {
3502 nlmsg_free(msg);
3503 return ret;
3504 }
3505
3506 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3507 if (ret) {
3508 wpa_printf(MSG_ERROR,
3509 "nl80211: Mesh config set failed: %d (%s)",
3510 ret, strerror(-ret));
3511 return ret;
3512 }
3513 return 0;
3514}
3515#endif /* CONFIG_MESH */
3516
3517
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003518static int wpa_driver_nl80211_set_ap(void *priv,
3519 struct wpa_driver_ap_params *params)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003520{
3521 struct i802_bss *bss = priv;
3522 struct wpa_driver_nl80211_data *drv = bss->drv;
3523 struct nl_msg *msg;
3524 u8 cmd = NL80211_CMD_NEW_BEACON;
3525 int ret;
3526 int beacon_set;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003527 int num_suites;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003528 int smps_mode;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08003529 u32 suites[10], suite;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003530 u32 ver;
Dmitry Shmidtd13095b2016-08-22 14:02:19 -07003531#ifdef CONFIG_MESH
3532 struct wpa_driver_mesh_bss_params mesh_params;
3533#endif /* CONFIG_MESH */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003534
Dmitry Shmidt7f656022015-02-25 14:36:37 -08003535 beacon_set = params->reenable ? 0 : bss->beacon_set;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003536
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003537 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
3538 beacon_set);
3539 if (beacon_set)
3540 cmd = NL80211_CMD_SET_BEACON;
3541
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003542 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3543 params->head, params->head_len);
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003544 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3545 params->tail, params->tail_len);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003546 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003547 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003548 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003549 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3550 params->ssid, params->ssid_len);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003551 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
3552 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3553 params->head) ||
3554 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3555 params->tail) ||
Dmitry Shmidtff787d52015-01-12 13:01:47 -08003556 nl80211_put_beacon_int(msg, params->beacon_int) ||
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07003557 nl80211_put_dtim_period(msg, params->dtim_period) ||
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003558 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3559 goto fail;
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003560 if (params->proberesp && params->proberesp_len) {
3561 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3562 params->proberesp, params->proberesp_len);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003563 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3564 params->proberesp))
3565 goto fail;
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003566 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003567 switch (params->hide_ssid) {
3568 case NO_SSID_HIDING:
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003569 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003570 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3571 NL80211_HIDDEN_SSID_NOT_IN_USE))
3572 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003573 break;
3574 case HIDDEN_SSID_ZERO_LEN:
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003575 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003576 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3577 NL80211_HIDDEN_SSID_ZERO_LEN))
3578 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003579 break;
3580 case HIDDEN_SSID_ZERO_CONTENTS:
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003581 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003582 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3583 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3584 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003585 break;
3586 }
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003587 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003588 if (params->privacy &&
3589 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3590 goto fail;
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003591 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003592 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3593 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3594 /* Leave out the attribute */
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003595 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3596 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3597 NL80211_AUTHTYPE_SHARED_KEY))
3598 goto fail;
3599 } else {
3600 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3601 NL80211_AUTHTYPE_OPEN_SYSTEM))
3602 goto fail;
3603 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003604
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003605 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003606 ver = 0;
3607 if (params->wpa_version & WPA_PROTO_WPA)
3608 ver |= NL80211_WPA_VERSION_1;
3609 if (params->wpa_version & WPA_PROTO_RSN)
3610 ver |= NL80211_WPA_VERSION_2;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003611 if (ver &&
3612 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3613 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003614
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003615 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3616 params->key_mgmt_suites);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003617 num_suites = 0;
3618 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3619 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
3620 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3621 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003622 if (num_suites &&
3623 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3624 suites))
3625 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003626
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003627 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
Dmitry Shmidtd13095b2016-08-22 14:02:19 -07003628 (!params->pairwise_ciphers ||
3629 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
3630 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
3631 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003632 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003633
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003634 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3635 params->pairwise_ciphers);
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08003636 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3637 suites, ARRAY_SIZE(suites));
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003638 if (num_suites &&
3639 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3640 num_suites * sizeof(u32), suites))
3641 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003642
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003643 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3644 params->group_cipher);
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08003645 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003646 if (suite &&
3647 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3648 goto fail;
3649
Dmitry Shmidte4663042016-04-04 10:07:49 -07003650 if (params->ht_opmode != -1) {
3651 switch (params->smps_mode) {
3652 case HT_CAP_INFO_SMPS_DYNAMIC:
3653 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3654 smps_mode = NL80211_SMPS_DYNAMIC;
3655 break;
3656 case HT_CAP_INFO_SMPS_STATIC:
3657 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3658 smps_mode = NL80211_SMPS_STATIC;
3659 break;
3660 default:
3661 /* invalid - fallback to smps off */
3662 case HT_CAP_INFO_SMPS_DISABLED:
3663 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3664 smps_mode = NL80211_SMPS_OFF;
3665 break;
3666 }
3667 if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
3668 goto fail;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003669 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003670
3671 if (params->beacon_ies) {
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003672 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3673 params->beacon_ies);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003674 if (nla_put(msg, NL80211_ATTR_IE,
3675 wpabuf_len(params->beacon_ies),
3676 wpabuf_head(params->beacon_ies)))
3677 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003678 }
3679 if (params->proberesp_ies) {
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003680 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3681 params->proberesp_ies);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003682 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3683 wpabuf_len(params->proberesp_ies),
3684 wpabuf_head(params->proberesp_ies)))
3685 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003686 }
3687 if (params->assocresp_ies) {
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003688 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3689 params->assocresp_ies);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003690 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3691 wpabuf_len(params->assocresp_ies),
3692 wpabuf_head(params->assocresp_ies)))
3693 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003694 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003695
Dmitry Shmidt04949592012-07-19 12:16:46 -07003696 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -07003697 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3698 params->ap_max_inactivity);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003699 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3700 params->ap_max_inactivity))
3701 goto fail;
Dmitry Shmidt04949592012-07-19 12:16:46 -07003702 }
3703
Dmitry Shmidt7f656022015-02-25 14:36:37 -08003704#ifdef CONFIG_P2P
3705 if (params->p2p_go_ctwindow > 0) {
3706 if (drv->p2p_go_ctwindow_supported) {
3707 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
3708 params->p2p_go_ctwindow);
3709 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
3710 params->p2p_go_ctwindow))
3711 goto fail;
3712 } else {
3713 wpa_printf(MSG_INFO,
3714 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
3715 }
3716 }
3717#endif /* CONFIG_P2P */
3718
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08003719 if (params->pbss) {
3720 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
3721 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
3722 goto fail;
3723 }
3724
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003725 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3726 if (ret) {
3727 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
3728 ret, strerror(-ret));
3729 } else {
3730 bss->beacon_set = 1;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003731 nl80211_set_bss(bss, params->cts_protect, params->preamble,
3732 params->short_slot_time, params->ht_opmode,
3733 params->isolate, params->basic_rates);
Dmitry Shmidt7832adb2014-04-29 10:53:02 -07003734 if (beacon_set && params->freq &&
3735 params->freq->bandwidth != bss->bandwidth) {
3736 wpa_printf(MSG_DEBUG,
3737 "nl80211: Update BSS %s bandwidth: %d -> %d",
3738 bss->ifname, bss->bandwidth,
3739 params->freq->bandwidth);
3740 ret = nl80211_set_channel(bss, params->freq, 1);
3741 if (ret) {
3742 wpa_printf(MSG_DEBUG,
3743 "nl80211: Frequency set failed: %d (%s)",
3744 ret, strerror(-ret));
3745 } else {
3746 wpa_printf(MSG_DEBUG,
3747 "nl80211: Frequency set succeeded for ht2040 coex");
3748 bss->bandwidth = params->freq->bandwidth;
3749 }
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07003750 } else if (!beacon_set && params->freq) {
Dmitry Shmidt7832adb2014-04-29 10:53:02 -07003751 /*
3752 * cfg80211 updates the driver on frequence change in AP
3753 * mode only at the point when beaconing is started, so
3754 * set the initial value here.
3755 */
3756 bss->bandwidth = params->freq->bandwidth;
3757 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003758 }
Dmitry Shmidtd13095b2016-08-22 14:02:19 -07003759
3760#ifdef CONFIG_MESH
3761 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
3762 os_memset(&mesh_params, 0, sizeof(mesh_params));
3763 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
3764 mesh_params.ht_opmode = params->ht_opmode;
3765 ret = nl80211_set_mesh_config(priv, &mesh_params);
3766 if (ret < 0)
3767 return ret;
3768 }
3769#endif /* CONFIG_MESH */
3770
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003771 return ret;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003772fail:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003773 nlmsg_free(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003774 return -ENOBUFS;
3775}
3776
3777
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08003778static int nl80211_put_freq_params(struct nl_msg *msg,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003779 const struct hostapd_freq_params *freq)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003780{
Dmitry Shmidtff787d52015-01-12 13:01:47 -08003781 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003782 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
3783 return -ENOBUFS;
3784
Dmitry Shmidtff787d52015-01-12 13:01:47 -08003785 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
3786 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
3787
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003788 if (freq->vht_enabled) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003789 enum nl80211_chan_width cw;
3790
Dmitry Shmidtff787d52015-01-12 13:01:47 -08003791 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003792 switch (freq->bandwidth) {
3793 case 20:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003794 cw = NL80211_CHAN_WIDTH_20;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003795 break;
3796 case 40:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003797 cw = NL80211_CHAN_WIDTH_40;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003798 break;
3799 case 80:
3800 if (freq->center_freq2)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003801 cw = NL80211_CHAN_WIDTH_80P80;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003802 else
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003803 cw = NL80211_CHAN_WIDTH_80;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003804 break;
3805 case 160:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003806 cw = NL80211_CHAN_WIDTH_160;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003807 break;
3808 default:
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08003809 return -EINVAL;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003810 }
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003811
Dmitry Shmidtff787d52015-01-12 13:01:47 -08003812 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
3813 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
3814 freq->center_freq1);
3815 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
3816 freq->center_freq2);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003817 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
3818 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
3819 freq->center_freq1) ||
3820 (freq->center_freq2 &&
3821 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
3822 freq->center_freq2)))
3823 return -ENOBUFS;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003824 } else if (freq->ht_enabled) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003825 enum nl80211_channel_type ct;
3826
Dmitry Shmidtff787d52015-01-12 13:01:47 -08003827 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
3828 freq->sec_channel_offset);
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003829 switch (freq->sec_channel_offset) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003830 case -1:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003831 ct = NL80211_CHAN_HT40MINUS;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003832 break;
3833 case 1:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003834 ct = NL80211_CHAN_HT40PLUS;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003835 break;
3836 default:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003837 ct = NL80211_CHAN_HT20;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003838 break;
3839 }
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003840
Dmitry Shmidtff787d52015-01-12 13:01:47 -08003841 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003842 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
3843 return -ENOBUFS;
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07003844 } else {
3845 wpa_printf(MSG_DEBUG, " * channel_type=%d",
3846 NL80211_CHAN_NO_HT);
3847 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3848 NL80211_CHAN_NO_HT))
3849 return -ENOBUFS;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003850 }
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08003851 return 0;
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08003852}
3853
3854
Dmitry Shmidt7832adb2014-04-29 10:53:02 -07003855static int nl80211_set_channel(struct i802_bss *bss,
3856 struct hostapd_freq_params *freq, int set_chan)
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08003857{
3858 struct wpa_driver_nl80211_data *drv = bss->drv;
3859 struct nl_msg *msg;
3860 int ret;
3861
3862 wpa_printf(MSG_DEBUG,
3863 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3864 freq->freq, freq->ht_enabled, freq->vht_enabled,
3865 freq->bandwidth, freq->center_freq1, freq->center_freq2);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003866
3867 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
3868 NL80211_CMD_SET_WIPHY);
3869 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
3870 nlmsg_free(msg);
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08003871 return -1;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003872 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003873
3874 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003875 if (ret == 0) {
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003876 bss->freq = freq->freq;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003877 return 0;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003878 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003879 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08003880 "%d (%s)", freq->freq, ret, strerror(-ret));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003881 return -1;
3882}
3883
3884
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003885static u32 sta_flags_nl80211(int flags)
3886{
3887 u32 f = 0;
3888
3889 if (flags & WPA_STA_AUTHORIZED)
3890 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
3891 if (flags & WPA_STA_WMM)
3892 f |= BIT(NL80211_STA_FLAG_WME);
3893 if (flags & WPA_STA_SHORT_PREAMBLE)
3894 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
3895 if (flags & WPA_STA_MFP)
3896 f |= BIT(NL80211_STA_FLAG_MFP);
3897 if (flags & WPA_STA_TDLS_PEER)
3898 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003899 if (flags & WPA_STA_AUTHENTICATED)
3900 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08003901 if (flags & WPA_STA_ASSOCIATED)
3902 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003903
3904 return f;
3905}
3906
3907
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003908#ifdef CONFIG_MESH
3909static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
3910{
3911 switch (state) {
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07003912 case PLINK_IDLE:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003913 return NL80211_PLINK_LISTEN;
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07003914 case PLINK_OPN_SNT:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003915 return NL80211_PLINK_OPN_SNT;
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07003916 case PLINK_OPN_RCVD:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003917 return NL80211_PLINK_OPN_RCVD;
3918 case PLINK_CNF_RCVD:
3919 return NL80211_PLINK_CNF_RCVD;
3920 case PLINK_ESTAB:
3921 return NL80211_PLINK_ESTAB;
3922 case PLINK_HOLDING:
3923 return NL80211_PLINK_HOLDING;
3924 case PLINK_BLOCKED:
3925 return NL80211_PLINK_BLOCKED;
3926 default:
3927 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
3928 state);
3929 }
3930 return -1;
3931}
3932#endif /* CONFIG_MESH */
3933
3934
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003935static int wpa_driver_nl80211_sta_add(void *priv,
3936 struct hostapd_sta_add_params *params)
3937{
3938 struct i802_bss *bss = priv;
3939 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07003940 struct nl_msg *msg;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003941 struct nl80211_sta_flag_update upd;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003942 int ret = -ENOBUFS;
3943
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003944 if ((params->flags & WPA_STA_TDLS_PEER) &&
3945 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
3946 return -EOPNOTSUPP;
3947
Dmitry Shmidtf8623282013-02-20 14:34:59 -08003948 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
3949 params->set ? "Set" : "Add", MAC2STR(params->addr));
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003950 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
3951 NL80211_CMD_NEW_STATION);
3952 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
3953 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07003954
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08003955 /*
3956 * Set the below properties only in one of the following cases:
3957 * 1. New station is added, already associated.
3958 * 2. Set WPA_STA_TDLS_PEER station.
3959 * 3. Set an already added unassociated station, if driver supports
3960 * full AP client state. (Set these properties after station became
3961 * associated will be rejected by the driver).
3962 */
3963 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
3964 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
3965 (params->flags & WPA_STA_ASSOCIATED))) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08003966 wpa_hexdump(MSG_DEBUG, " * supported rates",
3967 params->supp_rates, params->supp_rates_len);
3968 wpa_printf(MSG_DEBUG, " * capability=0x%x",
3969 params->capability);
3970 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
3971 params->supp_rates_len, params->supp_rates) ||
3972 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
3973 params->capability))
3974 goto fail;
3975
3976 if (params->ht_capabilities) {
3977 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
3978 (u8 *) params->ht_capabilities,
3979 sizeof(*params->ht_capabilities));
3980 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
3981 sizeof(*params->ht_capabilities),
3982 params->ht_capabilities))
3983 goto fail;
3984 }
3985
3986 if (params->vht_capabilities) {
3987 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
3988 (u8 *) params->vht_capabilities,
3989 sizeof(*params->vht_capabilities));
3990 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
3991 sizeof(*params->vht_capabilities),
3992 params->vht_capabilities))
3993 goto fail;
3994 }
3995
3996 if (params->ext_capab) {
3997 wpa_hexdump(MSG_DEBUG, " * ext_capab",
3998 params->ext_capab, params->ext_capab_len);
3999 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4000 params->ext_capab_len, params->ext_capab))
4001 goto fail;
4002 }
Dmitry Shmidt849734c2016-05-27 09:59:01 -07004003
4004 if (is_ap_interface(drv->nlmode) &&
4005 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4006 params->support_p2p_ps ?
4007 NL80211_P2P_PS_SUPPORTED :
4008 NL80211_P2P_PS_UNSUPPORTED))
4009 goto fail;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004010 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004011 if (!params->set) {
Dmitry Shmidt51b6ea82013-05-08 10:42:09 -07004012 if (params->aid) {
4013 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004014 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4015 goto fail;
Dmitry Shmidt51b6ea82013-05-08 10:42:09 -07004016 } else {
4017 /*
4018 * cfg80211 validates that AID is non-zero, so we have
4019 * to make this a non-zero value for the TDLS case where
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08004020 * a dummy STA entry is used for now and for a station
4021 * that is still not associated.
Dmitry Shmidt51b6ea82013-05-08 10:42:09 -07004022 */
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08004023 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4024 (params->flags & WPA_STA_TDLS_PEER) ?
4025 "TDLS" : "UNASSOC_STA");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004026 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4027 goto fail;
Dmitry Shmidt51b6ea82013-05-08 10:42:09 -07004028 }
Dmitry Shmidtf8623282013-02-20 14:34:59 -08004029 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4030 params->listen_interval);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004031 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4032 params->listen_interval))
4033 goto fail;
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07004034 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4035 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004036 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4037 goto fail;
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08004038 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4039 (params->flags & WPA_STA_ASSOCIATED)) {
4040 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4041 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4042 params->listen_interval);
4043 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4044 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4045 params->listen_interval))
4046 goto fail;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08004047 }
4048
Dmitry Shmidtbd14a572014-02-18 10:33:49 -08004049 if (params->vht_opmode_enabled) {
4050 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004051 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4052 params->vht_opmode))
4053 goto fail;
Dmitry Shmidtf8623282013-02-20 14:34:59 -08004054 }
4055
Dmitry Shmidt344abd32014-01-14 13:17:00 -08004056 if (params->supp_channels) {
4057 wpa_hexdump(MSG_DEBUG, " * supported channels",
4058 params->supp_channels, params->supp_channels_len);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004059 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4060 params->supp_channels_len, params->supp_channels))
4061 goto fail;
Dmitry Shmidt344abd32014-01-14 13:17:00 -08004062 }
4063
4064 if (params->supp_oper_classes) {
4065 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4066 params->supp_oper_classes,
4067 params->supp_oper_classes_len);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004068 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4069 params->supp_oper_classes_len,
4070 params->supp_oper_classes))
4071 goto fail;
Dmitry Shmidt344abd32014-01-14 13:17:00 -08004072 }
4073
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004074 os_memset(&upd, 0, sizeof(upd));
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004075 upd.set = sta_flags_nl80211(params->flags);
4076 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08004077
4078 /*
4079 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4080 * flags, as nl80211 driver moves a new station, by default, into
4081 * associated state.
4082 *
4083 * On the other hand, if the driver supports that feature and the
4084 * station is added in unauthenticated state, set the
4085 * authenticated/associated bits in the mask to prevent moving this
4086 * station to associated state before it is actually associated.
4087 *
4088 * This is irrelevant for mesh mode where the station is added to the
4089 * driver as authenticated already, and ASSOCIATED isn't part of the
4090 * nl80211 API.
4091 */
4092 if (!is_mesh_interface(drv->nlmode)) {
4093 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4094 wpa_printf(MSG_DEBUG,
4095 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4096 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4097 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4098 } else if (!params->set &&
4099 !(params->flags & WPA_STA_TDLS_PEER)) {
4100 if (!(params->flags & WPA_STA_AUTHENTICATED))
4101 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4102 if (!(params->flags & WPA_STA_ASSOCIATED))
4103 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4104 }
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07004105#ifdef CONFIG_MESH
4106 } else {
4107 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4108 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4109 params->peer_aid);
4110 if (ret)
4111 goto fail;
4112 }
4113#endif /* CONFIG_MESH */
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08004114 }
4115
Dmitry Shmidtf8623282013-02-20 14:34:59 -08004116 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4117 upd.set, upd.mask);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004118 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4119 goto fail;
4120
4121#ifdef CONFIG_MESH
4122 if (params->plink_state &&
4123 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4124 sta_plink_state_nl80211(params->plink_state)))
4125 goto fail;
4126#endif /* CONFIG_MESH */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004127
4128 if (params->flags & WPA_STA_WMM) {
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07004129 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4130
Dmitry Shmidtf8623282013-02-20 14:34:59 -08004131 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004132 if (!wme ||
4133 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4134 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4135 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4136 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4137 WMM_QOSINFO_STA_SP_MASK))
4138 goto fail;
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07004139 nla_nest_end(msg, wme);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004140 }
4141
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004142 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004143 msg = NULL;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004144 if (ret)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004145 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4146 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4147 strerror(-ret));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004148 if (ret == -EEXIST)
4149 ret = 0;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004150fail:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004151 nlmsg_free(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004152 return ret;
4153}
4154
4155
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07004156static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4157{
4158#ifdef CONFIG_LIBNL3_ROUTE
4159 struct wpa_driver_nl80211_data *drv = bss->drv;
4160 struct rtnl_neigh *rn;
4161 struct nl_addr *nl_addr;
4162 int err;
4163
4164 rn = rtnl_neigh_alloc();
4165 if (!rn)
4166 return;
4167
4168 rtnl_neigh_set_family(rn, AF_BRIDGE);
4169 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4170 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4171 if (!nl_addr) {
4172 rtnl_neigh_put(rn);
4173 return;
4174 }
4175 rtnl_neigh_set_lladdr(rn, nl_addr);
4176
4177 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4178 if (err < 0) {
4179 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4180 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4181 bss->ifindex, nl_geterror(err));
4182 } else {
4183 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4184 MACSTR, MAC2STR(addr));
4185 }
4186
4187 nl_addr_put(nl_addr);
4188 rtnl_neigh_put(rn);
4189#endif /* CONFIG_LIBNL3_ROUTE */
4190}
4191
4192
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004193static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4194 int deauth, u16 reason_code)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004195{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004196 struct wpa_driver_nl80211_data *drv = bss->drv;
4197 struct nl_msg *msg;
4198 int ret;
4199
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004200 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
4201 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4202 (deauth == 0 &&
4203 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4204 WLAN_FC_STYPE_DISASSOC)) ||
4205 (deauth == 1 &&
4206 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4207 WLAN_FC_STYPE_DEAUTH)) ||
4208 (reason_code &&
4209 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4210 nlmsg_free(msg);
4211 return -ENOBUFS;
4212 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004213
4214 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07004215 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4216 " --> %d (%s)",
4217 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07004218
4219 if (drv->rtnl_sk)
4220 rtnl_neigh_delete_fdb_entry(bss, addr);
4221
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004222 if (ret == -ENOENT)
4223 return 0;
4224 return ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004225}
4226
4227
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004228void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004229{
4230 struct nl_msg *msg;
Dmitry Shmidt76cd2cc2014-05-27 12:56:04 -07004231 struct wpa_driver_nl80211_data *drv2;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004232
4233 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4234
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004235 /* stop listening for EAPOL on this interface */
Dmitry Shmidt76cd2cc2014-05-27 12:56:04 -07004236 dl_list_for_each(drv2, &drv->global->interfaces,
4237 struct wpa_driver_nl80211_data, list)
Dmitry Shmidt9c175262016-03-03 10:20:07 -08004238 {
4239 del_ifidx(drv2, ifidx, IFIDX_ANY);
4240 /* Remove all bridges learned for this iface */
4241 del_ifidx(drv2, IFIDX_ANY, ifidx);
4242 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004243
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004244 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004245 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4246 return;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004247 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
4248}
4249
4250
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -07004251const char * nl80211_iftype_str(enum nl80211_iftype mode)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004252{
4253 switch (mode) {
4254 case NL80211_IFTYPE_ADHOC:
4255 return "ADHOC";
4256 case NL80211_IFTYPE_STATION:
4257 return "STATION";
4258 case NL80211_IFTYPE_AP:
4259 return "AP";
Dmitry Shmidtf7e0a992013-05-23 11:03:10 -07004260 case NL80211_IFTYPE_AP_VLAN:
4261 return "AP_VLAN";
4262 case NL80211_IFTYPE_WDS:
4263 return "WDS";
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004264 case NL80211_IFTYPE_MONITOR:
4265 return "MONITOR";
Dmitry Shmidtf7e0a992013-05-23 11:03:10 -07004266 case NL80211_IFTYPE_MESH_POINT:
4267 return "MESH_POINT";
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004268 case NL80211_IFTYPE_P2P_CLIENT:
4269 return "P2P_CLIENT";
4270 case NL80211_IFTYPE_P2P_GO:
4271 return "P2P_GO";
Dmitry Shmidt34af3062013-07-11 10:46:32 -07004272 case NL80211_IFTYPE_P2P_DEVICE:
4273 return "P2P_DEVICE";
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004274 default:
4275 return "unknown";
4276 }
4277}
4278
4279
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004280static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4281 const char *ifname,
4282 enum nl80211_iftype iftype,
Dmitry Shmidt34af3062013-07-11 10:46:32 -07004283 const u8 *addr, int wds,
4284 int (*handler)(struct nl_msg *, void *),
4285 void *arg)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004286{
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07004287 struct nl_msg *msg;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004288 int ifidx;
4289 int ret = -ENOBUFS;
4290
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004291 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4292 iftype, nl80211_iftype_str(iftype));
4293
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004294 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4295 if (!msg ||
4296 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4297 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4298 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004299
4300 if (iftype == NL80211_IFTYPE_MONITOR) {
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07004301 struct nlattr *flags;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004302
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07004303 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004304 if (!flags ||
4305 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4306 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004307
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07004308 nla_nest_end(msg, flags);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004309 } else if (wds) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004310 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4311 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004312 }
4313
Dmitry Shmidtb58836e2014-04-29 14:35:56 -07004314 /*
4315 * Tell cfg80211 that the interface belongs to the socket that created
4316 * it, and the interface should be deleted when the socket is closed.
4317 */
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004318 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4319 goto fail;
Dmitry Shmidtb58836e2014-04-29 14:35:56 -07004320
Dmitry Shmidt34af3062013-07-11 10:46:32 -07004321 ret = send_and_recv_msgs(drv, msg, handler, arg);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004322 msg = NULL;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004323 if (ret) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004324 fail:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004325 nlmsg_free(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004326 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4327 ifname, ret, strerror(-ret));
4328 return ret;
4329 }
4330
Dmitry Shmidt34af3062013-07-11 10:46:32 -07004331 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
4332 return 0;
4333
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004334 ifidx = if_nametoindex(ifname);
4335 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4336 ifname, ifidx);
4337
4338 if (ifidx <= 0)
4339 return -1;
4340
Dmitry Shmidt76cd2cc2014-05-27 12:56:04 -07004341 /*
4342 * Some virtual interfaces need to process EAPOL packets and events on
4343 * the parent interface. This is used mainly with hostapd.
4344 */
4345 if (drv->hostapd ||
4346 iftype == NL80211_IFTYPE_AP_VLAN ||
4347 iftype == NL80211_IFTYPE_WDS ||
4348 iftype == NL80211_IFTYPE_MONITOR) {
4349 /* start listening for EAPOL on this interface */
Dmitry Shmidt9c175262016-03-03 10:20:07 -08004350 add_ifidx(drv, ifidx, IFIDX_ANY);
Dmitry Shmidt76cd2cc2014-05-27 12:56:04 -07004351 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004352
4353 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004354 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004355 nl80211_remove_iface(drv, ifidx);
4356 return -1;
4357 }
4358
4359 return ifidx;
4360}
4361
4362
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004363int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4364 const char *ifname, enum nl80211_iftype iftype,
4365 const u8 *addr, int wds,
4366 int (*handler)(struct nl_msg *, void *),
4367 void *arg, int use_existing)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004368{
4369 int ret;
4370
Dmitry Shmidt34af3062013-07-11 10:46:32 -07004371 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4372 arg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004373
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004374 /* if error occurred and interface exists already */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004375 if (ret == -ENFILE && if_nametoindex(ifname)) {
Dmitry Shmidtcce06662013-11-04 18:44:24 -08004376 if (use_existing) {
4377 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4378 ifname);
Dmitry Shmidtdf5a7e42014-04-02 12:59:59 -07004379 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4380 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4381 addr) < 0 &&
4382 (linux_set_iface_flags(drv->global->ioctl_sock,
4383 ifname, 0) < 0 ||
4384 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4385 addr) < 0 ||
4386 linux_set_iface_flags(drv->global->ioctl_sock,
4387 ifname, 1) < 0))
4388 return -1;
Dmitry Shmidtcce06662013-11-04 18:44:24 -08004389 return -ENFILE;
4390 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004391 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4392
4393 /* Try to remove the interface that was already there. */
4394 nl80211_remove_iface(drv, if_nametoindex(ifname));
4395
4396 /* Try to create the interface again */
4397 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
Dmitry Shmidt34af3062013-07-11 10:46:32 -07004398 wds, handler, arg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004399 }
4400
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004401 if (ret >= 0 && is_p2p_net_interface(iftype)) {
4402 wpa_printf(MSG_DEBUG,
4403 "nl80211: Interface %s created for P2P - disable 11b rates",
4404 ifname);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004405 nl80211_disable_11b_rates(drv, ret, 1);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004406 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004407
4408 return ret;
4409}
4410
4411
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004412static int nl80211_setup_ap(struct i802_bss *bss)
4413{
4414 struct wpa_driver_nl80211_data *drv = bss->drv;
4415
Dmitry Shmidtcce06662013-11-04 18:44:24 -08004416 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4417 bss->ifname, drv->device_ap_sme, drv->use_monitor);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004418
4419 /*
4420 * Disable Probe Request reporting unless we need it in this way for
4421 * devices that include the AP SME, in the other case (unless using
4422 * monitor iface) we'll get it through the nl_mgmt socket instead.
4423 */
4424 if (!drv->device_ap_sme)
4425 wpa_driver_nl80211_probe_req_report(bss, 0);
4426
4427 if (!drv->device_ap_sme && !drv->use_monitor)
4428 if (nl80211_mgmt_subscribe_ap(bss))
4429 return -1;
4430
4431 if (drv->device_ap_sme && !drv->use_monitor)
4432 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
Dmitry Shmidt849734c2016-05-27 09:59:01 -07004433 wpa_printf(MSG_DEBUG,
4434 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004435
4436 if (!drv->device_ap_sme && drv->use_monitor &&
Dmitry Shmidtaca489e2016-09-28 15:44:14 -07004437 nl80211_create_monitor_interface(drv) &&
4438 !drv->device_ap_sme)
Dmitry Shmidt04949592012-07-19 12:16:46 -07004439 return -1;
4440
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004441 if (drv->device_ap_sme &&
4442 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
4443 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
4444 "Probe Request frame reporting in AP mode");
4445 /* Try to survive without this */
4446 }
4447
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004448 return 0;
4449}
4450
4451
4452static void nl80211_teardown_ap(struct i802_bss *bss)
4453{
4454 struct wpa_driver_nl80211_data *drv = bss->drv;
4455
Dmitry Shmidtcce06662013-11-04 18:44:24 -08004456 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
4457 bss->ifname, drv->device_ap_sme, drv->use_monitor);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004458 if (drv->device_ap_sme) {
4459 wpa_driver_nl80211_probe_req_report(bss, 0);
4460 if (!drv->use_monitor)
4461 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
4462 } else if (drv->use_monitor)
4463 nl80211_remove_monitor_interface(drv);
4464 else
4465 nl80211_mgmt_unsubscribe(bss, "AP teardown");
4466
4467 bss->beacon_set = 0;
4468}
4469
4470
4471static int nl80211_send_eapol_data(struct i802_bss *bss,
4472 const u8 *addr, const u8 *data,
4473 size_t data_len)
4474{
4475 struct sockaddr_ll ll;
4476 int ret;
4477
4478 if (bss->drv->eapol_tx_sock < 0) {
4479 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
4480 return -1;
4481 }
4482
4483 os_memset(&ll, 0, sizeof(ll));
4484 ll.sll_family = AF_PACKET;
4485 ll.sll_ifindex = bss->ifindex;
4486 ll.sll_protocol = htons(ETH_P_PAE);
4487 ll.sll_halen = ETH_ALEN;
4488 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
4489 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
4490 (struct sockaddr *) &ll, sizeof(ll));
4491 if (ret < 0)
4492 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
4493 strerror(errno));
4494
4495 return ret;
4496}
4497
4498
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004499static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4500
4501static int wpa_driver_nl80211_hapd_send_eapol(
4502 void *priv, const u8 *addr, const u8 *data,
4503 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
4504{
4505 struct i802_bss *bss = priv;
4506 struct wpa_driver_nl80211_data *drv = bss->drv;
4507 struct ieee80211_hdr *hdr;
4508 size_t len;
4509 u8 *pos;
4510 int res;
4511 int qos = flags & WPA_STA_WMM;
Dmitry Shmidt641185e2013-11-06 15:17:13 -08004512
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004513 if (drv->device_ap_sme || !drv->use_monitor)
4514 return nl80211_send_eapol_data(bss, addr, data, data_len);
4515
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004516 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4517 data_len;
4518 hdr = os_zalloc(len);
4519 if (hdr == NULL) {
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07004520 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4521 (unsigned long) len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004522 return -1;
4523 }
4524
4525 hdr->frame_control =
4526 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4527 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4528 if (encrypt)
4529 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
4530 if (qos) {
4531 hdr->frame_control |=
4532 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4533 }
4534
4535 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4536 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4537 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4538 pos = (u8 *) (hdr + 1);
4539
4540 if (qos) {
Dmitry Shmidtaa532512012-09-24 10:35:31 -07004541 /* Set highest priority in QoS header */
4542 pos[0] = 7;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004543 pos[1] = 0;
4544 pos += 2;
4545 }
4546
4547 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4548 pos += sizeof(rfc1042_header);
4549 WPA_PUT_BE16(pos, ETH_P_PAE);
4550 pos += 2;
4551 memcpy(pos, data, data_len);
4552
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08004553 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08004554 0, 0, 0, 0, NULL, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004555 if (res < 0) {
4556 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4557 "failed: %d (%s)",
4558 (unsigned long) len, errno, strerror(errno));
4559 }
4560 os_free(hdr);
4561
4562 return res;
4563}
4564
4565
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004566static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08004567 unsigned int total_flags,
4568 unsigned int flags_or,
4569 unsigned int flags_and)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004570{
4571 struct i802_bss *bss = priv;
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07004572 struct nl_msg *msg;
4573 struct nlattr *flags;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004574 struct nl80211_sta_flag_update upd;
4575
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07004576 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4577 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4578 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4579 !!(total_flags & WPA_STA_AUTHORIZED));
4580
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004581 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
4582 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4583 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004584
4585 /*
4586 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4587 * can be removed eventually.
4588 */
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07004589 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004590 if (!flags ||
4591 ((total_flags & WPA_STA_AUTHORIZED) &&
4592 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4593 ((total_flags & WPA_STA_WMM) &&
4594 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4595 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4596 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4597 ((total_flags & WPA_STA_MFP) &&
4598 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4599 ((total_flags & WPA_STA_TDLS_PEER) &&
4600 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4601 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004602
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07004603 nla_nest_end(msg, flags);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004604
4605 os_memset(&upd, 0, sizeof(upd));
4606 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4607 upd.set = sta_flags_nl80211(flags_or);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004608 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4609 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004610
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004611 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
4612fail:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004613 nlmsg_free(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004614 return -ENOBUFS;
4615}
4616
4617
4618static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4619 struct wpa_driver_associate_params *params)
4620{
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08004621 enum nl80211_iftype nlmode, old_mode;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004622
4623 if (params->p2p) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004624 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4625 "group (GO)");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08004626 nlmode = NL80211_IFTYPE_P2P_GO;
4627 } else
4628 nlmode = NL80211_IFTYPE_AP;
4629
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08004630 old_mode = drv->nlmode;
Dmitry Shmidtcce06662013-11-04 18:44:24 -08004631 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08004632 nl80211_remove_monitor_interface(drv);
4633 return -1;
4634 }
4635
Dmitry Shmidt203eadb2015-03-05 14:16:04 -08004636 if (params->freq.freq &&
4637 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08004638 if (old_mode != nlmode)
Dmitry Shmidtcce06662013-11-04 18:44:24 -08004639 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004640 nl80211_remove_monitor_interface(drv);
4641 return -1;
4642 }
4643
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004644 return 0;
4645}
4646
4647
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004648static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4649 int reset_mode)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004650{
4651 struct nl_msg *msg;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004652 int ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004653
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004654 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004655 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004656 if (ret) {
4657 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4658 "(%s)", ret, strerror(-ret));
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004659 } else {
4660 wpa_printf(MSG_DEBUG,
4661 "nl80211: Leave IBSS request sent successfully");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004662 }
4663
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004664 if (reset_mode &&
4665 wpa_driver_nl80211_set_mode(drv->first_bss,
Dmitry Shmidt56052862013-10-04 10:23:25 -07004666 NL80211_IFTYPE_STATION)) {
4667 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4668 "station mode");
4669 }
4670
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004671 return ret;
4672}
4673
4674
Dmitry Shmidt2f74e362015-01-21 13:19:05 -08004675static int nl80211_ht_vht_overrides(struct nl_msg *msg,
4676 struct wpa_driver_associate_params *params)
4677{
4678 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4679 return -1;
4680
4681 if (params->htcaps && params->htcaps_mask) {
4682 int sz = sizeof(struct ieee80211_ht_capabilities);
4683 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
4684 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4685 params->htcaps_mask, sz);
4686 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4687 params->htcaps) ||
4688 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4689 params->htcaps_mask))
4690 return -1;
4691 }
4692
4693#ifdef CONFIG_VHT_OVERRIDES
4694 if (params->disable_vht) {
4695 wpa_printf(MSG_DEBUG, " * VHT disabled");
4696 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4697 return -1;
4698 }
4699
4700 if (params->vhtcaps && params->vhtcaps_mask) {
4701 int sz = sizeof(struct ieee80211_vht_capabilities);
4702 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
4703 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
4704 params->vhtcaps_mask, sz);
4705 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
4706 params->vhtcaps) ||
4707 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
4708 params->vhtcaps_mask))
4709 return -1;
4710 }
4711#endif /* CONFIG_VHT_OVERRIDES */
4712
4713 return 0;
4714}
4715
4716
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004717static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
4718 struct wpa_driver_associate_params *params)
4719{
4720 struct nl_msg *msg;
4721 int ret = -1;
4722 int count = 0;
4723
4724 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
4725
Dmitry Shmidt9ead16e2014-10-07 13:15:23 -07004726 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004727 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4728 "IBSS mode");
4729 return -1;
4730 }
4731
4732retry:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004733 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
4734 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
4735 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004736
4737 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4738 params->ssid, params->ssid_len);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004739 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4740 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004741 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4742 drv->ssid_len = params->ssid_len;
4743
Dmitry Shmidtff787d52015-01-12 13:01:47 -08004744 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
4745 nl80211_put_beacon_int(msg, params->beacon_int))
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004746 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004747
4748 ret = nl80211_set_conn_keys(params, msg);
4749 if (ret)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004750 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004751
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08004752 if (params->bssid && params->fixed_bssid) {
4753 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
4754 MAC2STR(params->bssid));
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004755 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4756 goto fail;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08004757 }
4758
Dmitry Shmidt7f656022015-02-25 14:36:37 -08004759 if (params->fixed_freq) {
4760 wpa_printf(MSG_DEBUG, " * fixed_freq");
4761 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
4762 goto fail;
4763 }
4764
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004765 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4766 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4767 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4768 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08004769 wpa_printf(MSG_DEBUG, " * control port");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004770 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4771 goto fail;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08004772 }
4773
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004774 if (params->wpa_ie) {
4775 wpa_hexdump(MSG_DEBUG,
4776 " * Extra IEs for Beacon/Probe Response frames",
4777 params->wpa_ie, params->wpa_ie_len);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004778 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
4779 params->wpa_ie))
4780 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004781 }
4782
Dmitry Shmidt1d6bf422016-01-19 15:51:35 -08004783 ret = nl80211_ht_vht_overrides(msg, params);
4784 if (ret < 0)
4785 goto fail;
Dmitry Shmidt2f74e362015-01-21 13:19:05 -08004786
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004787 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4788 msg = NULL;
4789 if (ret) {
4790 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
4791 ret, strerror(-ret));
4792 count++;
4793 if (ret == -EALREADY && count == 1) {
4794 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
4795 "forced leave");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004796 nl80211_leave_ibss(drv, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004797 nlmsg_free(msg);
4798 goto retry;
4799 }
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004800 } else {
4801 wpa_printf(MSG_DEBUG,
4802 "nl80211: Join IBSS request sent successfully");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004803 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004804
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004805fail:
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004806 nlmsg_free(msg);
4807 return ret;
4808}
4809
4810
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004811static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
4812 struct wpa_driver_associate_params *params,
4813 struct nl_msg *msg)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004814{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004815 if (params->bssid) {
4816 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4817 MAC2STR(params->bssid));
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004818 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4819 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004820 }
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004821
Dmitry Shmidt96be6222014-02-13 10:16:51 -08004822 if (params->bssid_hint) {
4823 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
4824 MAC2STR(params->bssid_hint));
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004825 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
4826 params->bssid_hint))
4827 return -1;
Dmitry Shmidt96be6222014-02-13 10:16:51 -08004828 }
4829
Dmitry Shmidt9ead16e2014-10-07 13:15:23 -07004830 if (params->freq.freq) {
4831 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004832 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
4833 params->freq.freq))
4834 return -1;
Dmitry Shmidt9ead16e2014-10-07 13:15:23 -07004835 drv->assoc_freq = params->freq.freq;
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07004836 } else
4837 drv->assoc_freq = 0;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004838
Dmitry Shmidt96be6222014-02-13 10:16:51 -08004839 if (params->freq_hint) {
4840 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004841 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
4842 params->freq_hint))
4843 return -1;
Dmitry Shmidt96be6222014-02-13 10:16:51 -08004844 }
4845
Dmitry Shmidt04949592012-07-19 12:16:46 -07004846 if (params->bg_scan_period >= 0) {
4847 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
4848 params->bg_scan_period);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004849 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
4850 params->bg_scan_period))
4851 return -1;
Dmitry Shmidt04949592012-07-19 12:16:46 -07004852 }
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004853
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004854 if (params->ssid) {
4855 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4856 params->ssid, params->ssid_len);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004857 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4858 params->ssid))
4859 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004860 if (params->ssid_len > sizeof(drv->ssid))
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004861 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004862 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4863 drv->ssid_len = params->ssid_len;
4864 }
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004865
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004866 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004867 if (params->wpa_ie &&
4868 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
4869 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004870
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004871 if (params->wpa_proto) {
4872 enum nl80211_wpa_versions ver = 0;
4873
4874 if (params->wpa_proto & WPA_PROTO_WPA)
4875 ver |= NL80211_WPA_VERSION_1;
4876 if (params->wpa_proto & WPA_PROTO_RSN)
4877 ver |= NL80211_WPA_VERSION_2;
4878
4879 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004880 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4881 return -1;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004882 }
4883
4884 if (params->pairwise_suite != WPA_CIPHER_NONE) {
4885 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
4886 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004887 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4888 cipher))
4889 return -1;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004890 }
4891
Dmitry Shmidtf21452a2014-02-26 10:55:25 -08004892 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
4893 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
4894 /*
4895 * This is likely to work even though many drivers do not
4896 * advertise support for operations without GTK.
4897 */
4898 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4899 } else if (params->group_suite != WPA_CIPHER_NONE) {
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004900 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
4901 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004902 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
4903 return -1;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004904 }
4905
4906 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4907 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4908 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
4909 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
Dmitry Shmidt15907092014-03-25 10:42:57 -07004910 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
Dmitry Shmidt3c57b3f2014-05-22 15:13:07 -07004911 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
4912 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004913 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
Dmitry Shmidt807291d2015-01-27 13:40:23 -08004914 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
4915 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004916 int mgmt = WLAN_AKM_SUITE_PSK;
4917
4918 switch (params->key_mgmt_suite) {
4919 case WPA_KEY_MGMT_CCKM:
4920 mgmt = WLAN_AKM_SUITE_CCKM;
4921 break;
4922 case WPA_KEY_MGMT_IEEE8021X:
4923 mgmt = WLAN_AKM_SUITE_8021X;
4924 break;
4925 case WPA_KEY_MGMT_FT_IEEE8021X:
4926 mgmt = WLAN_AKM_SUITE_FT_8021X;
4927 break;
4928 case WPA_KEY_MGMT_FT_PSK:
4929 mgmt = WLAN_AKM_SUITE_FT_PSK;
4930 break;
Dmitry Shmidt3c57b3f2014-05-22 15:13:07 -07004931 case WPA_KEY_MGMT_IEEE8021X_SHA256:
4932 mgmt = WLAN_AKM_SUITE_8021X_SHA256;
4933 break;
4934 case WPA_KEY_MGMT_PSK_SHA256:
4935 mgmt = WLAN_AKM_SUITE_PSK_SHA256;
4936 break;
Dmitry Shmidt15907092014-03-25 10:42:57 -07004937 case WPA_KEY_MGMT_OSEN:
4938 mgmt = WLAN_AKM_SUITE_OSEN;
4939 break;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004940 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
4941 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
4942 break;
Dmitry Shmidt807291d2015-01-27 13:40:23 -08004943 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
4944 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B_192;
4945 break;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004946 case WPA_KEY_MGMT_PSK:
4947 default:
4948 mgmt = WLAN_AKM_SUITE_PSK;
4949 break;
4950 }
Dmitry Shmidt15907092014-03-25 10:42:57 -07004951 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004952 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
4953 return -1;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004954 }
4955
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004956 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4957 return -1;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004958
Dmitry Shmidtd13095b2016-08-22 14:02:19 -07004959 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
4960 (params->pairwise_suite == WPA_CIPHER_NONE ||
4961 params->pairwise_suite == WPA_CIPHER_WEP104 ||
4962 params->pairwise_suite == WPA_CIPHER_WEP40) &&
4963 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
4964 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
4965 return -1;
4966
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004967 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
4968 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
4969 return -1;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004970
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004971 if (params->rrm_used) {
4972 u32 drv_rrm_flags = drv->capa.rrm_flags;
Dmitry Shmidt849734c2016-05-27 09:59:01 -07004973 if ((!((drv_rrm_flags &
4974 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
4975 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
4976 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004977 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
4978 return -1;
4979 }
4980
Dmitry Shmidt2f74e362015-01-21 13:19:05 -08004981 if (nl80211_ht_vht_overrides(msg, params) < 0)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08004982 return -1;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004983
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08004984 if (params->p2p)
4985 wpa_printf(MSG_DEBUG, " * P2P group");
4986
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08004987 if (params->pbss) {
4988 wpa_printf(MSG_DEBUG, " * PBSS");
4989 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4990 return -1;
4991 }
4992
Dmitry Shmidte4663042016-04-04 10:07:49 -07004993 drv->connect_reassoc = 0;
4994 if (params->prev_bssid) {
4995 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
4996 MAC2STR(params->prev_bssid));
4997 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
4998 params->prev_bssid))
4999 return -1;
5000 drv->connect_reassoc = 1;
5001 }
5002
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08005003 return 0;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08005004}
5005
5006
5007static int wpa_driver_nl80211_try_connect(
5008 struct wpa_driver_nl80211_data *drv,
5009 struct wpa_driver_associate_params *params)
5010{
5011 struct nl_msg *msg;
5012 enum nl80211_auth_type type;
5013 int ret;
5014 int algs;
5015
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08005016#ifdef CONFIG_DRIVER_NL80211_QCA
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005017 if (params->req_key_mgmt_offload && params->psk &&
5018 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5019 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5020 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5021 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5022 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5023 if (ret)
5024 return ret;
5025 }
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08005026#endif /* CONFIG_DRIVER_NL80211_QCA */
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005027
5028 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5029 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08005030 if (!msg)
5031 return -1;
5032
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08005033 ret = nl80211_connect_common(drv, params, msg);
5034 if (ret)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005035 goto fail;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08005036
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005037 algs = 0;
5038 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5039 algs++;
5040 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5041 algs++;
5042 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5043 algs++;
5044 if (algs > 1) {
5045 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5046 "selection");
5047 goto skip_auth_type;
5048 }
5049
5050 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5051 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
5052 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5053 type = NL80211_AUTHTYPE_SHARED_KEY;
5054 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5055 type = NL80211_AUTHTYPE_NETWORK_EAP;
5056 else if (params->auth_alg & WPA_AUTH_ALG_FT)
5057 type = NL80211_AUTHTYPE_FT;
5058 else
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005059 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005060
5061 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005062 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
5063 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005064
5065skip_auth_type:
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005066 ret = nl80211_set_conn_keys(params, msg);
5067 if (ret)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005068 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005069
5070 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5071 msg = NULL;
5072 if (ret) {
5073 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5074 "(%s)", ret, strerror(-ret));
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005075 } else {
5076 wpa_printf(MSG_DEBUG,
5077 "nl80211: Connect request send successfully");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005078 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005079
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005080fail:
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005081 nlmsg_free(msg);
5082 return ret;
5083
5084}
5085
5086
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08005087static int wpa_driver_nl80211_connect(
5088 struct wpa_driver_nl80211_data *drv,
5089 struct wpa_driver_associate_params *params)
5090{
Jithu Jancea7c60b42014-12-03 18:54:40 +05305091 int ret;
5092
5093 /* Store the connection attempted bssid for future use */
5094 if (params->bssid)
5095 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5096 else
5097 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5098
5099 ret = wpa_driver_nl80211_try_connect(drv, params);
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08005100 if (ret == -EALREADY) {
5101 /*
5102 * cfg80211 does not currently accept new connections if
5103 * we are already connected. As a workaround, force
5104 * disconnection and try again.
5105 */
5106 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5107 "disconnecting before reassociation "
5108 "attempt");
5109 if (wpa_driver_nl80211_disconnect(
5110 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
5111 return -1;
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08005112 ret = wpa_driver_nl80211_try_connect(drv, params);
5113 }
5114 return ret;
5115}
5116
5117
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005118static int wpa_driver_nl80211_associate(
5119 void *priv, struct wpa_driver_associate_params *params)
5120{
5121 struct i802_bss *bss = priv;
5122 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005123 int ret = -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005124 struct nl_msg *msg;
5125
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005126 nl80211_unmask_11b_rates(bss);
5127
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005128 if (params->mode == IEEE80211_MODE_AP)
5129 return wpa_driver_nl80211_ap(drv, params);
5130
5131 if (params->mode == IEEE80211_MODE_IBSS)
5132 return wpa_driver_nl80211_ibss(drv, params);
5133
5134 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005135 enum nl80211_iftype nlmode = params->p2p ?
5136 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5137
5138 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005139 return -1;
5140 return wpa_driver_nl80211_connect(drv, params);
5141 }
5142
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07005143 nl80211_mark_disconnected(drv);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005144
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005145 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
5146 drv->ifindex);
5147 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005148 if (!msg)
5149 return -1;
5150
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08005151 ret = nl80211_connect_common(drv, params, msg);
5152 if (ret)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005153 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005154
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005155 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5156 msg = NULL;
5157 if (ret) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005158 wpa_dbg(drv->ctx, MSG_DEBUG,
5159 "nl80211: MLME command failed (assoc): ret=%d (%s)",
5160 ret, strerror(-ret));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005161 nl80211_dump_scan(drv);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005162 } else {
5163 wpa_printf(MSG_DEBUG,
5164 "nl80211: Association request send successfully");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005165 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005166
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005167fail:
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005168 nlmsg_free(msg);
5169 return ret;
5170}
5171
5172
5173static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005174 int ifindex, enum nl80211_iftype mode)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005175{
5176 struct nl_msg *msg;
5177 int ret = -ENOBUFS;
5178
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005179 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
5180 ifindex, mode, nl80211_iftype_str(mode));
5181
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005182 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
5183 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
5184 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005185
5186 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005187 msg = NULL;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005188 if (!ret)
5189 return 0;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005190fail:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005191 nlmsg_free(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005192 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
5193 " %d (%s)", ifindex, mode, ret, strerror(-ret));
5194 return ret;
5195}
5196
5197
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005198static int wpa_driver_nl80211_set_mode_impl(
5199 struct i802_bss *bss,
5200 enum nl80211_iftype nlmode,
5201 struct hostapd_freq_params *desired_freq_params)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005202{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005203 struct wpa_driver_nl80211_data *drv = bss->drv;
5204 int ret = -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005205 int i;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005206 int was_ap = is_ap_interface(drv->nlmode);
5207 int res;
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005208 int mode_switch_res;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005209
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -07005210 if (TEST_FAIL())
5211 return -1;
5212
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005213 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5214 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
5215 mode_switch_res = 0;
Dmitry Shmidt34af3062013-07-11 10:46:32 -07005216
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005217 if (mode_switch_res == 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005218 drv->nlmode = nlmode;
5219 ret = 0;
5220 goto done;
5221 }
5222
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005223 if (mode_switch_res == -ENODEV)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005224 return -1;
5225
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005226 if (nlmode == drv->nlmode) {
5227 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
5228 "requested mode - ignore error");
5229 ret = 0;
5230 goto done; /* Already in the requested mode */
5231 }
5232
5233 /* mac80211 doesn't allow mode changes while the device is up, so
5234 * take the device down, try to set the mode again, and bring the
5235 * device back up.
5236 */
5237 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
5238 "interface down");
5239 for (i = 0; i < 10; i++) {
Dmitry Shmidt34af3062013-07-11 10:46:32 -07005240 res = i802_set_iface_flags(bss, 0);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005241 if (res == -EACCES || res == -ENODEV)
5242 break;
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005243 if (res != 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005244 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
5245 "interface down");
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005246 os_sleep(0, 100000);
5247 continue;
5248 }
5249
5250 /*
5251 * Setting the mode will fail for some drivers if the phy is
5252 * on a frequency that the mode is disallowed in.
5253 */
5254 if (desired_freq_params) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005255 res = nl80211_set_channel(bss, desired_freq_params, 0);
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005256 if (res) {
5257 wpa_printf(MSG_DEBUG,
5258 "nl80211: Failed to set frequency on interface");
5259 }
5260 }
5261
5262 /* Try to set the mode again while the interface is down */
5263 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5264 if (mode_switch_res == -EBUSY) {
5265 wpa_printf(MSG_DEBUG,
5266 "nl80211: Delaying mode set while interface going down");
5267 os_sleep(0, 100000);
5268 continue;
5269 }
5270 ret = mode_switch_res;
5271 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005272 }
5273
5274 if (!ret) {
5275 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
5276 "interface is down");
5277 drv->nlmode = nlmode;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005278 drv->ignore_if_down_event = 1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005279 }
5280
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005281 /* Bring the interface back up */
5282 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
5283 if (res != 0) {
5284 wpa_printf(MSG_DEBUG,
5285 "nl80211: Failed to set interface up after switching mode");
5286 ret = -1;
5287 }
5288
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005289done:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005290 if (ret) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005291 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
5292 "from %d failed", nlmode, drv->nlmode);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005293 return ret;
5294 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005295
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005296 if (is_p2p_net_interface(nlmode)) {
5297 wpa_printf(MSG_DEBUG,
5298 "nl80211: Interface %s mode change to P2P - disable 11b rates",
5299 bss->ifname);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07005300 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005301 } else if (drv->disabled_11b_rates) {
5302 wpa_printf(MSG_DEBUG,
5303 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
5304 bss->ifname);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07005305 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005306 }
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07005307
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005308 if (is_ap_interface(nlmode)) {
5309 nl80211_mgmt_unsubscribe(bss, "start AP");
5310 /* Setup additional AP mode functionality if needed */
5311 if (nl80211_setup_ap(bss))
5312 return -1;
5313 } else if (was_ap) {
5314 /* Remove additional AP mode functionality */
5315 nl80211_teardown_ap(bss);
5316 } else {
5317 nl80211_mgmt_unsubscribe(bss, "mode change");
5318 }
5319
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005320 if (is_mesh_interface(nlmode) &&
5321 nl80211_mgmt_subscribe_mesh(bss))
5322 return -1;
5323
Dmitry Shmidt04949592012-07-19 12:16:46 -07005324 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005325 !is_mesh_interface(nlmode) &&
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005326 nl80211_mgmt_subscribe_non_ap(bss) < 0)
5327 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
5328 "frame processing - ignore for now");
5329
5330 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005331}
5332
5333
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005334int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
5335 enum nl80211_iftype nlmode)
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005336{
5337 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
5338}
5339
5340
Dmitry Shmidt9ead16e2014-10-07 13:15:23 -07005341static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
5342 struct hostapd_freq_params *freq)
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005343{
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005344 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
Dmitry Shmidt9ead16e2014-10-07 13:15:23 -07005345 freq);
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07005346}
5347
5348
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005349static int wpa_driver_nl80211_get_capa(void *priv,
5350 struct wpa_driver_capa *capa)
5351{
5352 struct i802_bss *bss = priv;
5353 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidtd11f0192014-03-24 12:09:47 -07005354
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005355 if (!drv->has_capability)
5356 return -1;
5357 os_memcpy(capa, &drv->capa, sizeof(*capa));
Dmitry Shmidt444d5672013-04-01 13:08:44 -07005358 if (drv->extended_capa && drv->extended_capa_mask) {
5359 capa->extended_capa = drv->extended_capa;
5360 capa->extended_capa_mask = drv->extended_capa_mask;
5361 capa->extended_capa_len = drv->extended_capa_len;
5362 }
Dmitry Shmidt34af3062013-07-11 10:46:32 -07005363
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005364 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005365}
5366
5367
5368static int wpa_driver_nl80211_set_operstate(void *priv, int state)
5369{
5370 struct i802_bss *bss = priv;
5371 struct wpa_driver_nl80211_data *drv = bss->drv;
5372
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08005373 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
5374 bss->ifname, drv->operstate, state,
5375 state ? "UP" : "DORMANT");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005376 drv->operstate = state;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005377 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005378 state ? IF_OPER_UP : IF_OPER_DORMANT);
5379}
5380
5381
5382static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
5383{
5384 struct i802_bss *bss = priv;
5385 struct wpa_driver_nl80211_data *drv = bss->drv;
5386 struct nl_msg *msg;
5387 struct nl80211_sta_flag_update upd;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005388 int ret;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08005389
5390 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
5391 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
5392 return 0;
5393 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005394
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07005395 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
5396 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
5397
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005398 os_memset(&upd, 0, sizeof(upd));
5399 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
5400 if (authorized)
5401 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005402
5403 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5404 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
5405 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
5406 nlmsg_free(msg);
5407 return -ENOBUFS;
5408 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005409
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08005410 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08005411 if (!ret)
5412 return 0;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08005413 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
5414 ret, strerror(-ret));
5415 return ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005416}
5417
5418
Jouni Malinen75ecf522011-06-27 15:19:46 -07005419/* Set kernel driver on given frequency (MHz) */
5420static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005421{
Jouni Malinen75ecf522011-06-27 15:19:46 -07005422 struct i802_bss *bss = priv;
Dmitry Shmidt7832adb2014-04-29 10:53:02 -07005423 return nl80211_set_channel(bss, freq, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005424}
5425
5426
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005427static inline int min_int(int a, int b)
5428{
5429 if (a < b)
5430 return a;
5431 return b;
5432}
5433
5434
5435static int get_key_handler(struct nl_msg *msg, void *arg)
5436{
5437 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5438 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5439
5440 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5441 genlmsg_attrlen(gnlh, 0), NULL);
5442
5443 /*
5444 * TODO: validate the key index and mac address!
5445 * Otherwise, there's a race condition as soon as
5446 * the kernel starts sending key notifications.
5447 */
5448
5449 if (tb[NL80211_ATTR_KEY_SEQ])
5450 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
5451 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
5452 return NL_SKIP;
5453}
5454
5455
5456static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
5457 int idx, u8 *seq)
5458{
5459 struct i802_bss *bss = priv;
5460 struct wpa_driver_nl80211_data *drv = bss->drv;
5461 struct nl_msg *msg;
5462
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005463 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
5464 NL80211_CMD_GET_KEY);
5465 if (!msg ||
5466 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
5467 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
5468 nlmsg_free(msg);
5469 return -ENOBUFS;
5470 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005471
5472 memset(seq, 0, 6);
5473
5474 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005475}
5476
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005477
5478static int i802_set_rts(void *priv, int rts)
5479{
5480 struct i802_bss *bss = priv;
5481 struct wpa_driver_nl80211_data *drv = bss->drv;
5482 struct nl_msg *msg;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005483 int ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005484 u32 val;
5485
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005486 if (rts >= 2347)
5487 val = (u32) -1;
5488 else
5489 val = rts;
5490
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005491 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
5492 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
5493 nlmsg_free(msg);
5494 return -ENOBUFS;
5495 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005496
5497 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5498 if (!ret)
5499 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005500 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
5501 "%d (%s)", rts, ret, strerror(-ret));
5502 return ret;
5503}
5504
5505
5506static int i802_set_frag(void *priv, int frag)
5507{
5508 struct i802_bss *bss = priv;
5509 struct wpa_driver_nl80211_data *drv = bss->drv;
5510 struct nl_msg *msg;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005511 int ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005512 u32 val;
5513
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005514 if (frag >= 2346)
5515 val = (u32) -1;
5516 else
5517 val = frag;
5518
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005519 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
5520 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
5521 nlmsg_free(msg);
5522 return -ENOBUFS;
5523 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005524
5525 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5526 if (!ret)
5527 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005528 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
5529 "%d: %d (%s)", frag, ret, strerror(-ret));
5530 return ret;
5531}
5532
5533
5534static int i802_flush(void *priv)
5535{
5536 struct i802_bss *bss = priv;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005537 struct nl_msg *msg;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005538 int res;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005539
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07005540 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5541 bss->ifname);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005542
5543 /*
5544 * XXX: FIX! this needs to flush all VLANs too
5545 */
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005546 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5547 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005548 if (res) {
5549 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5550 "(%s)", res, strerror(-res));
5551 }
5552 return res;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005553}
5554
5555
5556static int get_sta_handler(struct nl_msg *msg, void *arg)
5557{
5558 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5559 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5560 struct hostap_sta_driver_data *data = arg;
5561 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5562 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5563 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5564 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5565 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5566 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5567 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
Jouni Malinen1e6c57f2012-09-05 17:07:03 +03005568 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08005569 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
5570 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005571 };
5572
5573 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5574 genlmsg_attrlen(gnlh, 0), NULL);
5575
5576 /*
5577 * TODO: validate the interface and mac address!
5578 * Otherwise, there's a race condition as soon as
5579 * the kernel starts sending station notifications.
5580 */
5581
5582 if (!tb[NL80211_ATTR_STA_INFO]) {
5583 wpa_printf(MSG_DEBUG, "sta stats missing!");
5584 return NL_SKIP;
5585 }
5586 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5587 tb[NL80211_ATTR_STA_INFO],
5588 stats_policy)) {
5589 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5590 return NL_SKIP;
5591 }
5592
5593 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5594 data->inactive_msec =
5595 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08005596 /* For backwards compatibility, fetch the 32-bit counters first. */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005597 if (stats[NL80211_STA_INFO_RX_BYTES])
5598 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5599 if (stats[NL80211_STA_INFO_TX_BYTES])
5600 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08005601 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
5602 stats[NL80211_STA_INFO_TX_BYTES64]) {
5603 /*
5604 * The driver supports 64-bit counters, so use them to override
5605 * the 32-bit values.
5606 */
5607 data->rx_bytes =
5608 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
5609 data->tx_bytes =
5610 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
5611 data->bytes_64bit = 1;
5612 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005613 if (stats[NL80211_STA_INFO_RX_PACKETS])
5614 data->rx_packets =
5615 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5616 if (stats[NL80211_STA_INFO_TX_PACKETS])
5617 data->tx_packets =
5618 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
Jouni Malinen1e6c57f2012-09-05 17:07:03 +03005619 if (stats[NL80211_STA_INFO_TX_FAILED])
5620 data->tx_retry_failed =
5621 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005622
5623 return NL_SKIP;
5624}
5625
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08005626static int i802_read_sta_data(struct i802_bss *bss,
5627 struct hostap_sta_driver_data *data,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005628 const u8 *addr)
5629{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005630 struct nl_msg *msg;
5631
5632 os_memset(data, 0, sizeof(*data));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005633
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005634 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
5635 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
5636 nlmsg_free(msg);
5637 return -ENOBUFS;
5638 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005639
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005640 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005641}
5642
5643
5644static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
5645 int cw_min, int cw_max, int burst_time)
5646{
5647 struct i802_bss *bss = priv;
5648 struct wpa_driver_nl80211_data *drv = bss->drv;
5649 struct nl_msg *msg;
5650 struct nlattr *txq, *params;
5651
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005652 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005653 if (!msg)
5654 return -1;
5655
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005656 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
5657 if (!txq)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005658 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005659
5660 /* We are only sending parameters for a single TXQ at a time */
5661 params = nla_nest_start(msg, 1);
5662 if (!params)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005663 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005664
5665 switch (queue) {
5666 case 0:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005667 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
5668 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005669 break;
5670 case 1:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005671 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
5672 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005673 break;
5674 case 2:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005675 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
5676 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005677 break;
5678 case 3:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005679 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
5680 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005681 break;
5682 }
5683 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5684 * 32 usec, so need to convert the value here. */
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005685 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
5686 (burst_time * 100 + 16) / 32) ||
5687 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
5688 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
5689 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
5690 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005691
5692 nla_nest_end(msg, params);
5693
5694 nla_nest_end(msg, txq);
5695
5696 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5697 return 0;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005698 msg = NULL;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005699fail:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005700 nlmsg_free(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005701 return -1;
5702}
5703
5704
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08005705static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005706 const char *ifname, int vlan_id)
5707{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005708 struct wpa_driver_nl80211_data *drv = bss->drv;
5709 struct nl_msg *msg;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005710 int ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005711
Dmitry Shmidtcce06662013-11-04 18:44:24 -08005712 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5713 ", ifname=%s[%d], vlan_id=%d)",
5714 bss->ifname, if_nametoindex(bss->ifname),
5715 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005716 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5717 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5718 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
5719 nlmsg_free(msg);
5720 return -ENOBUFS;
5721 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005722
5723 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5724 if (ret < 0) {
5725 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5726 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
5727 MAC2STR(addr), ifname, vlan_id, ret,
5728 strerror(-ret));
5729 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005730 return ret;
5731}
5732
5733
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005734static int i802_get_inact_sec(void *priv, const u8 *addr)
5735{
5736 struct hostap_sta_driver_data data;
5737 int ret;
5738
5739 data.inactive_msec = (unsigned long) -1;
5740 ret = i802_read_sta_data(priv, &data, addr);
Dmitry Shmidt2f74e362015-01-21 13:19:05 -08005741 if (ret == -ENOENT)
5742 return -ENOENT;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005743 if (ret || data.inactive_msec == (unsigned long) -1)
5744 return -1;
5745 return data.inactive_msec / 1000;
5746}
5747
5748
5749static int i802_sta_clear_stats(void *priv, const u8 *addr)
5750{
5751#if 0
5752 /* TODO */
5753#endif
5754 return 0;
5755}
5756
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005757
5758static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
5759 int reason)
5760{
5761 struct i802_bss *bss = priv;
Dmitry Shmidt04949592012-07-19 12:16:46 -07005762 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005763 struct ieee80211_mgmt mgmt;
5764
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005765 if (is_mesh_interface(drv->nlmode))
5766 return -1;
5767
Dmitry Shmidt04949592012-07-19 12:16:46 -07005768 if (drv->device_ap_sme)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005769 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
Dmitry Shmidt04949592012-07-19 12:16:46 -07005770
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005771 memset(&mgmt, 0, sizeof(mgmt));
5772 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5773 WLAN_FC_STYPE_DEAUTH);
5774 memcpy(mgmt.da, addr, ETH_ALEN);
5775 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5776 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5777 mgmt.u.deauth.reason_code = host_to_le16(reason);
5778 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5779 IEEE80211_HDRLEN +
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08005780 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08005781 0, NULL, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005782}
5783
5784
5785static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
5786 int reason)
5787{
5788 struct i802_bss *bss = priv;
Dmitry Shmidt04949592012-07-19 12:16:46 -07005789 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005790 struct ieee80211_mgmt mgmt;
5791
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005792 if (is_mesh_interface(drv->nlmode))
5793 return -1;
5794
Dmitry Shmidt04949592012-07-19 12:16:46 -07005795 if (drv->device_ap_sme)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005796 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
Dmitry Shmidt04949592012-07-19 12:16:46 -07005797
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005798 memset(&mgmt, 0, sizeof(mgmt));
5799 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5800 WLAN_FC_STYPE_DISASSOC);
5801 memcpy(mgmt.da, addr, ETH_ALEN);
5802 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5803 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5804 mgmt.u.disassoc.reason_code = host_to_le16(reason);
5805 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5806 IEEE80211_HDRLEN +
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08005807 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08005808 0, NULL, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005809}
5810
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07005811
Dmitry Shmidtdf5a7e42014-04-02 12:59:59 -07005812static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
5813{
5814 char buf[200], *pos, *end;
5815 int i, res;
5816
5817 pos = buf;
5818 end = pos + sizeof(buf);
5819
5820 for (i = 0; i < drv->num_if_indices; i++) {
5821 if (!drv->if_indices[i])
5822 continue;
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005823 res = os_snprintf(pos, end - pos, " %d(%d)",
5824 drv->if_indices[i],
5825 drv->if_indices_reason[i]);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08005826 if (os_snprintf_error(end - pos, res))
Dmitry Shmidtdf5a7e42014-04-02 12:59:59 -07005827 break;
5828 pos += res;
5829 }
5830 *pos = '\0';
5831
5832 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
5833 drv->num_if_indices, buf);
5834}
5835
5836
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005837static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
5838 int ifidx_reason)
Jouni Malinen75ecf522011-06-27 15:19:46 -07005839{
5840 int i;
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005841 int *old, *old_reason;
Jouni Malinen75ecf522011-06-27 15:19:46 -07005842
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005843 wpa_printf(MSG_DEBUG,
5844 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
5845 ifidx, ifidx_reason);
5846 if (have_ifidx(drv, ifidx, ifidx_reason)) {
Dmitry Shmidtdf5a7e42014-04-02 12:59:59 -07005847 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
5848 ifidx);
5849 return;
5850 }
Jouni Malinen75ecf522011-06-27 15:19:46 -07005851 for (i = 0; i < drv->num_if_indices; i++) {
5852 if (drv->if_indices[i] == 0) {
5853 drv->if_indices[i] = ifidx;
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005854 drv->if_indices_reason[i] = ifidx_reason;
Dmitry Shmidtdf5a7e42014-04-02 12:59:59 -07005855 dump_ifidx(drv);
Jouni Malinen75ecf522011-06-27 15:19:46 -07005856 return;
5857 }
5858 }
5859
5860 if (drv->if_indices != drv->default_if_indices)
5861 old = drv->if_indices;
5862 else
5863 old = NULL;
5864
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005865 if (drv->if_indices_reason != drv->default_if_indices_reason)
5866 old_reason = drv->if_indices_reason;
5867 else
5868 old_reason = NULL;
5869
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07005870 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
5871 sizeof(int));
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005872 drv->if_indices_reason = os_realloc_array(old_reason,
5873 drv->num_if_indices + 1,
5874 sizeof(int));
Jouni Malinen75ecf522011-06-27 15:19:46 -07005875 if (!drv->if_indices) {
5876 if (!old)
5877 drv->if_indices = drv->default_if_indices;
5878 else
5879 drv->if_indices = old;
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005880 }
5881 if (!drv->if_indices_reason) {
5882 if (!old_reason)
5883 drv->if_indices_reason = drv->default_if_indices_reason;
5884 else
Dmitry Shmidte4663042016-04-04 10:07:49 -07005885 drv->if_indices_reason = old_reason;
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005886 }
5887 if (!drv->if_indices || !drv->if_indices_reason) {
Jouni Malinen75ecf522011-06-27 15:19:46 -07005888 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
5889 "interfaces");
5890 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
5891 return;
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005892 }
5893 if (!old)
Jouni Malinen75ecf522011-06-27 15:19:46 -07005894 os_memcpy(drv->if_indices, drv->default_if_indices,
5895 sizeof(drv->default_if_indices));
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005896 if (!old_reason)
5897 os_memcpy(drv->if_indices_reason,
5898 drv->default_if_indices_reason,
5899 sizeof(drv->default_if_indices_reason));
Jouni Malinen75ecf522011-06-27 15:19:46 -07005900 drv->if_indices[drv->num_if_indices] = ifidx;
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005901 drv->if_indices_reason[drv->num_if_indices] = ifidx_reason;
Jouni Malinen75ecf522011-06-27 15:19:46 -07005902 drv->num_if_indices++;
Dmitry Shmidtdf5a7e42014-04-02 12:59:59 -07005903 dump_ifidx(drv);
Jouni Malinen75ecf522011-06-27 15:19:46 -07005904}
5905
5906
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005907static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
5908 int ifidx_reason)
Jouni Malinen75ecf522011-06-27 15:19:46 -07005909{
5910 int i;
5911
5912 for (i = 0; i < drv->num_if_indices; i++) {
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005913 if ((drv->if_indices[i] == ifidx || ifidx == IFIDX_ANY) &&
5914 (drv->if_indices_reason[i] == ifidx_reason ||
5915 ifidx_reason == IFIDX_ANY)) {
Jouni Malinen75ecf522011-06-27 15:19:46 -07005916 drv->if_indices[i] = 0;
5917 break;
5918 }
5919 }
Dmitry Shmidtdf5a7e42014-04-02 12:59:59 -07005920 dump_ifidx(drv);
Jouni Malinen75ecf522011-06-27 15:19:46 -07005921}
5922
5923
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005924static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
5925 int ifidx_reason)
Jouni Malinen75ecf522011-06-27 15:19:46 -07005926{
5927 int i;
5928
5929 for (i = 0; i < drv->num_if_indices; i++)
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005930 if (drv->if_indices[i] == ifidx &&
5931 (drv->if_indices_reason[i] == ifidx_reason ||
5932 ifidx_reason == IFIDX_ANY))
Jouni Malinen75ecf522011-06-27 15:19:46 -07005933 return 1;
5934
5935 return 0;
5936}
5937
5938
5939static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
Dmitry Shmidt7832adb2014-04-29 10:53:02 -07005940 const char *bridge_ifname, char *ifname_wds)
Jouni Malinen75ecf522011-06-27 15:19:46 -07005941{
5942 struct i802_bss *bss = priv;
5943 struct wpa_driver_nl80211_data *drv = bss->drv;
5944 char name[IFNAMSIZ + 1];
5945
5946 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07005947 if (ifname_wds)
5948 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
5949
Jouni Malinen75ecf522011-06-27 15:19:46 -07005950 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
5951 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
5952 if (val) {
5953 if (!if_nametoindex(name)) {
5954 if (nl80211_create_iface(drv, name,
5955 NL80211_IFTYPE_AP_VLAN,
Dmitry Shmidtcce06662013-11-04 18:44:24 -08005956 bss->addr, 1, NULL, NULL, 0) <
5957 0)
Jouni Malinen75ecf522011-06-27 15:19:46 -07005958 return -1;
5959 if (bridge_ifname &&
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08005960 linux_br_add_if(drv->global->ioctl_sock,
5961 bridge_ifname, name) < 0)
Jouni Malinen75ecf522011-06-27 15:19:46 -07005962 return -1;
5963 }
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07005964 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
5965 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
5966 "interface %s up", name);
5967 }
Jouni Malinen75ecf522011-06-27 15:19:46 -07005968 return i802_set_sta_vlan(priv, addr, name, 0);
5969 } else {
Dmitry Shmidtaa532512012-09-24 10:35:31 -07005970 if (bridge_ifname)
5971 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
5972 name);
5973
Jouni Malinen75ecf522011-06-27 15:19:46 -07005974 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
Dmitry Shmidta38abf92014-03-06 13:38:44 -08005975 nl80211_remove_iface(drv, if_nametoindex(name));
5976 return 0;
Jouni Malinen75ecf522011-06-27 15:19:46 -07005977 }
5978}
5979
5980
5981static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
5982{
5983 struct wpa_driver_nl80211_data *drv = eloop_ctx;
5984 struct sockaddr_ll lladdr;
5985 unsigned char buf[3000];
5986 int len;
5987 socklen_t fromlen = sizeof(lladdr);
5988
5989 len = recvfrom(sock, buf, sizeof(buf), 0,
5990 (struct sockaddr *)&lladdr, &fromlen);
5991 if (len < 0) {
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07005992 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
5993 strerror(errno));
Jouni Malinen75ecf522011-06-27 15:19:46 -07005994 return;
5995 }
5996
Dmitry Shmidt9c175262016-03-03 10:20:07 -08005997 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
Jouni Malinen75ecf522011-06-27 15:19:46 -07005998 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
5999}
6000
6001
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006002static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
6003 struct i802_bss *bss,
6004 const char *brname, const char *ifname)
6005{
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006006 int br_ifindex;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006007 char in_br[IFNAMSIZ];
6008
6009 os_strlcpy(bss->brname, brname, IFNAMSIZ);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006010 br_ifindex = if_nametoindex(brname);
6011 if (br_ifindex == 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006012 /*
6013 * Bridge was configured, but the bridge device does
6014 * not exist. Try to add it now.
6015 */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006016 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006017 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
6018 "bridge interface %s: %s",
6019 brname, strerror(errno));
6020 return -1;
6021 }
6022 bss->added_bridge = 1;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006023 br_ifindex = if_nametoindex(brname);
Dmitry Shmidt9c175262016-03-03 10:20:07 -08006024 add_ifidx(drv, br_ifindex, drv->ifindex);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006025 }
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006026 bss->br_ifindex = br_ifindex;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006027
6028 if (linux_br_get(in_br, ifname) == 0) {
6029 if (os_strcmp(in_br, brname) == 0)
6030 return 0; /* already in the bridge */
6031
6032 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
6033 "bridge %s", ifname, in_br);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006034 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
6035 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006036 wpa_printf(MSG_ERROR, "nl80211: Failed to "
6037 "remove interface %s from bridge "
6038 "%s: %s",
6039 ifname, brname, strerror(errno));
6040 return -1;
6041 }
6042 }
6043
6044 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
6045 ifname, brname);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006046 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006047 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
6048 "into bridge %s: %s",
6049 ifname, brname, strerror(errno));
6050 return -1;
6051 }
6052 bss->added_if_into_bridge = 1;
6053
6054 return 0;
6055}
6056
6057
6058static void *i802_init(struct hostapd_data *hapd,
6059 struct wpa_init_params *params)
6060{
6061 struct wpa_driver_nl80211_data *drv;
6062 struct i802_bss *bss;
6063 size_t i;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006064 char master_ifname[IFNAMSIZ];
6065 int ifindex, br_ifindex = 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006066 int br_added = 0;
6067
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08006068 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
6069 params->global_priv, 1,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006070 params->bssid, params->driver_params);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006071 if (bss == NULL)
6072 return NULL;
6073
6074 drv = bss->drv;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006075
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006076 if (linux_br_get(master_ifname, params->ifname) == 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006077 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006078 params->ifname, master_ifname);
6079 br_ifindex = if_nametoindex(master_ifname);
6080 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6081 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
6082 linux_master_get(master_ifname, params->ifname) == 0) {
6083 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
6084 params->ifname, master_ifname);
6085 /* start listening for EAPOL on the master interface */
Dmitry Shmidt9c175262016-03-03 10:20:07 -08006086 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
Dmitry Shmidt31a29cc2016-03-09 15:58:17 -08006087
6088 /* check if master itself is under bridge */
6089 if (linux_br_get(master_ifname, master_ifname) == 0) {
6090 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
6091 master_ifname);
6092 br_ifindex = if_nametoindex(master_ifname);
6093 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6094 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006095 } else {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006096 master_ifname[0] = '\0';
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006097 }
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006098
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006099 bss->br_ifindex = br_ifindex;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006100
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006101 for (i = 0; i < params->num_bridge; i++) {
6102 if (params->bridge[i]) {
6103 ifindex = if_nametoindex(params->bridge[i]);
6104 if (ifindex)
Dmitry Shmidt9c175262016-03-03 10:20:07 -08006105 add_ifidx(drv, ifindex, drv->ifindex);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006106 if (ifindex == br_ifindex)
6107 br_added = 1;
6108 }
6109 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006110
6111 /* start listening for EAPOL on the default AP interface */
Dmitry Shmidt9c175262016-03-03 10:20:07 -08006112 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006113
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006114 if (params->num_bridge && params->bridge[0]) {
6115 if (i802_check_bridge(drv, bss, params->bridge[0],
6116 params->ifname) < 0)
6117 goto failed;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006118 if (os_strcmp(params->bridge[0], master_ifname) != 0)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006119 br_added = 1;
6120 }
6121
6122 if (!br_added && br_ifindex &&
6123 (params->num_bridge == 0 || !params->bridge[0]))
Dmitry Shmidt9c175262016-03-03 10:20:07 -08006124 add_ifidx(drv, br_ifindex, drv->ifindex);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006125
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07006126#ifdef CONFIG_LIBNL3_ROUTE
6127 if (bss->added_if_into_bridge) {
6128 drv->rtnl_sk = nl_socket_alloc();
6129 if (drv->rtnl_sk == NULL) {
6130 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
6131 goto failed;
6132 }
6133
6134 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
6135 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
6136 strerror(errno));
6137 goto failed;
6138 }
6139 }
6140#endif /* CONFIG_LIBNL3_ROUTE */
6141
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006142 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
6143 if (drv->eapol_sock < 0) {
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07006144 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
6145 strerror(errno));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006146 goto failed;
6147 }
6148
6149 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
6150 {
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07006151 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006152 goto failed;
6153 }
6154
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006155 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
6156 params->own_addr))
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006157 goto failed;
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07006158 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006159
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006160 memcpy(bss->addr, params->own_addr, ETH_ALEN);
6161
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006162 return bss;
6163
6164failed:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006165 wpa_driver_nl80211_deinit(bss);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006166 return NULL;
6167}
6168
6169
6170static void i802_deinit(void *priv)
6171{
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08006172 struct i802_bss *bss = priv;
6173 wpa_driver_nl80211_deinit(bss);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006174}
6175
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006176
6177static enum nl80211_iftype wpa_driver_nl80211_if_type(
6178 enum wpa_driver_if_type type)
6179{
6180 switch (type) {
6181 case WPA_IF_STATION:
6182 return NL80211_IFTYPE_STATION;
6183 case WPA_IF_P2P_CLIENT:
6184 case WPA_IF_P2P_GROUP:
6185 return NL80211_IFTYPE_P2P_CLIENT;
6186 case WPA_IF_AP_VLAN:
6187 return NL80211_IFTYPE_AP_VLAN;
6188 case WPA_IF_AP_BSS:
6189 return NL80211_IFTYPE_AP;
6190 case WPA_IF_P2P_GO:
6191 return NL80211_IFTYPE_P2P_GO;
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006192 case WPA_IF_P2P_DEVICE:
6193 return NL80211_IFTYPE_P2P_DEVICE;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006194 case WPA_IF_MESH:
6195 return NL80211_IFTYPE_MESH_POINT;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006196 default:
6197 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006198 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006199}
6200
6201
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006202static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
6203{
6204 struct wpa_driver_nl80211_data *drv;
6205 dl_list_for_each(drv, &global->interfaces,
6206 struct wpa_driver_nl80211_data, list) {
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006207 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006208 return 1;
6209 }
6210 return 0;
6211}
6212
6213
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006214static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006215{
6216 unsigned int idx;
6217
6218 if (!drv->global)
6219 return -1;
6220
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006221 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006222 for (idx = 0; idx < 64; idx++) {
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006223 new_addr[0] = drv->first_bss->addr[0] | 0x02;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006224 new_addr[0] ^= idx << 2;
6225 if (!nl80211_addr_in_use(drv->global, new_addr))
6226 break;
6227 }
6228 if (idx == 64)
6229 return -1;
6230
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006231 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006232 MACSTR, MAC2STR(new_addr));
6233
6234 return 0;
6235}
6236
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006237
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006238struct wdev_info {
6239 u64 wdev_id;
6240 int wdev_id_set;
6241 u8 macaddr[ETH_ALEN];
6242};
6243
6244static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
6245{
6246 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6247 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6248 struct wdev_info *wi = arg;
6249
6250 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6251 genlmsg_attrlen(gnlh, 0), NULL);
6252 if (tb[NL80211_ATTR_WDEV]) {
6253 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
6254 wi->wdev_id_set = 1;
6255 }
6256
6257 if (tb[NL80211_ATTR_MAC])
6258 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
6259 ETH_ALEN);
6260
6261 return NL_SKIP;
6262}
6263
6264
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006265static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
6266 const char *ifname, const u8 *addr,
6267 void *bss_ctx, void **drv_priv,
6268 char *force_ifname, u8 *if_addr,
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -08006269 const char *bridge, int use_existing,
6270 int setup_ap)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006271{
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006272 enum nl80211_iftype nlmode;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006273 struct i802_bss *bss = priv;
6274 struct wpa_driver_nl80211_data *drv = bss->drv;
6275 int ifidx;
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006276 int added = 1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006277
6278 if (addr)
6279 os_memcpy(if_addr, addr, ETH_ALEN);
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006280 nlmode = wpa_driver_nl80211_if_type(type);
6281 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
6282 struct wdev_info p2pdev_info;
6283
6284 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
6285 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
6286 0, nl80211_wdev_handler,
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006287 &p2pdev_info, use_existing);
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006288 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
6289 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
6290 ifname);
6291 return -1;
6292 }
6293
6294 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
6295 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
6296 if (!is_zero_ether_addr(p2pdev_info.macaddr))
6297 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
6298 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
6299 ifname,
6300 (long long unsigned int) p2pdev_info.wdev_id);
6301 } else {
6302 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006303 0, NULL, NULL, use_existing);
6304 if (use_existing && ifidx == -ENFILE) {
6305 added = 0;
6306 ifidx = if_nametoindex(ifname);
6307 } else if (ifidx < 0) {
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006308 return -1;
6309 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006310 }
6311
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006312 if (!addr) {
Dmitry Shmidt1d755d02015-04-28 10:34:29 -07006313 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006314 os_memcpy(if_addr, bss->addr, ETH_ALEN);
6315 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
Dmitry Shmidt1d755d02015-04-28 10:34:29 -07006316 ifname, if_addr) < 0) {
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006317 if (added)
6318 nl80211_remove_iface(drv, ifidx);
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006319 return -1;
6320 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006321 }
6322
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006323 if (!addr &&
6324 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
Dmitry Shmidt1d755d02015-04-28 10:34:29 -07006325 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
6326 type == WPA_IF_STATION)) {
6327 /* Enforce unique address */
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006328 u8 new_addr[ETH_ALEN];
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006329
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006330 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006331 new_addr) < 0) {
Dmitry Shmidt71757432014-06-02 13:50:35 -07006332 if (added)
6333 nl80211_remove_iface(drv, ifidx);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006334 return -1;
6335 }
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006336 if (nl80211_addr_in_use(drv->global, new_addr)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006337 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
Dmitry Shmidt1d755d02015-04-28 10:34:29 -07006338 "for interface %s type %d", ifname, type);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006339 if (nl80211_vif_addr(drv, new_addr) < 0) {
Dmitry Shmidt71757432014-06-02 13:50:35 -07006340 if (added)
6341 nl80211_remove_iface(drv, ifidx);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006342 return -1;
6343 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006344 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006345 new_addr) < 0) {
Dmitry Shmidt71757432014-06-02 13:50:35 -07006346 if (added)
6347 nl80211_remove_iface(drv, ifidx);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006348 return -1;
6349 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006350 }
Dmitry Shmidt6e933c12011-09-27 12:29:26 -07006351 os_memcpy(if_addr, new_addr, ETH_ALEN);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006352 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006353
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -08006354 if (type == WPA_IF_AP_BSS && setup_ap) {
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07006355 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
6356 if (new_bss == NULL) {
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006357 if (added)
6358 nl80211_remove_iface(drv, ifidx);
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07006359 return -1;
6360 }
6361
6362 if (bridge &&
6363 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
6364 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
6365 "interface %s to a bridge %s",
6366 ifname, bridge);
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006367 if (added)
6368 nl80211_remove_iface(drv, ifidx);
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07006369 os_free(new_bss);
6370 return -1;
6371 }
6372
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006373 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
6374 {
Dmitry Shmidt71757432014-06-02 13:50:35 -07006375 if (added)
6376 nl80211_remove_iface(drv, ifidx);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006377 os_free(new_bss);
6378 return -1;
6379 }
6380 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006381 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006382 new_bss->ifindex = ifidx;
6383 new_bss->drv = drv;
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006384 new_bss->next = drv->first_bss->next;
6385 new_bss->freq = drv->first_bss->freq;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08006386 new_bss->ctx = bss_ctx;
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006387 new_bss->added_if = added;
6388 drv->first_bss->next = new_bss;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006389 if (drv_priv)
6390 *drv_priv = new_bss;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006391 nl80211_init_bss(new_bss);
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08006392
6393 /* Subscribe management frames for this WPA_IF_AP_BSS */
6394 if (nl80211_setup_ap(new_bss))
6395 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006396 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006397
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006398 if (drv->global)
6399 drv->global->if_add_ifindex = ifidx;
6400
Dmitry Shmidt43cb5782014-06-16 16:23:22 -07006401 /*
6402 * Some virtual interfaces need to process EAPOL packets and events on
6403 * the parent interface. This is used mainly with hostapd.
6404 */
6405 if (ifidx > 0 &&
6406 (drv->hostapd ||
6407 nlmode == NL80211_IFTYPE_AP_VLAN ||
6408 nlmode == NL80211_IFTYPE_WDS ||
6409 nlmode == NL80211_IFTYPE_MONITOR))
Dmitry Shmidt9c175262016-03-03 10:20:07 -08006410 add_ifidx(drv, ifidx, IFIDX_ANY);
Dmitry Shmidtdf5a7e42014-04-02 12:59:59 -07006411
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006412 return 0;
6413}
6414
6415
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08006416static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006417 enum wpa_driver_if_type type,
6418 const char *ifname)
6419{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006420 struct wpa_driver_nl80211_data *drv = bss->drv;
6421 int ifindex = if_nametoindex(ifname);
6422
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006423 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
6424 __func__, type, ifname, ifindex, bss->added_if);
Dmitry Shmidt01904cf2013-12-05 11:08:35 -08006425 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
Dmitry Shmidt051af732013-10-22 13:52:46 -07006426 nl80211_remove_iface(drv, ifindex);
Dmitry Shmidt76cd2cc2014-05-27 12:56:04 -07006427 else if (ifindex > 0 && !bss->added_if) {
6428 struct wpa_driver_nl80211_data *drv2;
6429 dl_list_for_each(drv2, &drv->global->interfaces,
Dmitry Shmidt9c175262016-03-03 10:20:07 -08006430 struct wpa_driver_nl80211_data, list) {
6431 del_ifidx(drv2, ifindex, IFIDX_ANY);
6432 del_ifidx(drv2, IFIDX_ANY, ifindex);
6433 }
Dmitry Shmidt76cd2cc2014-05-27 12:56:04 -07006434 }
Dmitry Shmidtaa532512012-09-24 10:35:31 -07006435
Dmitry Shmidtaa532512012-09-24 10:35:31 -07006436 if (type != WPA_IF_AP_BSS)
6437 return 0;
6438
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006439 if (bss->added_if_into_bridge) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006440 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
6441 bss->ifname) < 0)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006442 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6443 "interface %s from bridge %s: %s",
6444 bss->ifname, bss->brname, strerror(errno));
6445 }
6446 if (bss->added_bridge) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006447 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006448 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6449 "bridge %s: %s",
6450 bss->brname, strerror(errno));
6451 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006452
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006453 if (bss != drv->first_bss) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006454 struct i802_bss *tbss;
6455
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006456 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
6457 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006458 if (tbss->next == bss) {
6459 tbss->next = bss->next;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08006460 /* Unsubscribe management frames */
6461 nl80211_teardown_ap(bss);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006462 nl80211_destroy_bss(bss);
Dmitry Shmidtdf5a7e42014-04-02 12:59:59 -07006463 if (!bss->added_if)
6464 i802_set_iface_flags(bss, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006465 os_free(bss);
6466 bss = NULL;
6467 break;
6468 }
6469 }
6470 if (bss)
6471 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
6472 "BSS %p in the list", __func__, bss);
Dmitry Shmidtcce06662013-11-04 18:44:24 -08006473 } else {
6474 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
6475 nl80211_teardown_ap(bss);
6476 if (!bss->added_if && !drv->first_bss->next)
6477 wpa_driver_nl80211_del_beacon(drv);
6478 nl80211_destroy_bss(bss);
6479 if (!bss->added_if)
6480 i802_set_iface_flags(bss, 0);
6481 if (drv->first_bss->next) {
6482 drv->first_bss = drv->first_bss->next;
6483 drv->ctx = drv->first_bss->ctx;
6484 os_free(bss);
6485 } else {
6486 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
6487 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006488 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006489
6490 return 0;
6491}
6492
6493
6494static int cookie_handler(struct nl_msg *msg, void *arg)
6495{
6496 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6497 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6498 u64 *cookie = arg;
6499 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6500 genlmsg_attrlen(gnlh, 0), NULL);
6501 if (tb[NL80211_ATTR_COOKIE])
6502 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
6503 return NL_SKIP;
6504}
6505
6506
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006507static int nl80211_send_frame_cmd(struct i802_bss *bss,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006508 unsigned int freq, unsigned int wait,
6509 const u8 *buf, size_t buf_len,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006510 u64 *cookie_out, int no_cck, int no_ack,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006511 int offchanok, const u16 *csa_offs,
6512 size_t csa_offs_len)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006513{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006514 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006515 struct nl_msg *msg;
6516 u64 cookie;
6517 int ret = -1;
6518
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07006519 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
Dmitry Shmidt04949592012-07-19 12:16:46 -07006520 "no_ack=%d offchanok=%d",
6521 freq, wait, no_cck, no_ack, offchanok);
Dmitry Shmidtc2ebb4b2013-07-24 12:57:51 -07006522 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006523
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006524 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
6525 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
6526 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
6527 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6528 drv->test_use_roc_tx) &&
6529 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
6530 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
6531 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006532 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
6533 csa_offs_len * sizeof(u16), csa_offs)) ||
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006534 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
6535 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006536
6537 cookie = 0;
6538 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6539 msg = NULL;
6540 if (ret) {
6541 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
Dmitry Shmidt6e933c12011-09-27 12:29:26 -07006542 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
6543 freq, wait);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006544 } else {
6545 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
6546 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
6547 (long long unsigned int) cookie);
6548
6549 if (cookie_out)
6550 *cookie_out = no_ack ? (u64) -1 : cookie;
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -08006551
6552 if (drv->num_send_action_cookies == MAX_SEND_ACTION_COOKIES) {
6553 wpa_printf(MSG_DEBUG,
6554 "nl80211: Drop oldest pending send action cookie 0x%llx",
6555 (long long unsigned int)
6556 drv->send_action_cookies[0]);
6557 os_memmove(&drv->send_action_cookies[0],
6558 &drv->send_action_cookies[1],
6559 (MAX_SEND_ACTION_COOKIES - 1) *
6560 sizeof(u64));
6561 drv->num_send_action_cookies--;
6562 }
6563 drv->send_action_cookies[drv->num_send_action_cookies] = cookie;
6564 drv->num_send_action_cookies++;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006565 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006566
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006567fail:
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006568 nlmsg_free(msg);
6569 return ret;
6570}
6571
6572
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08006573static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
6574 unsigned int freq,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006575 unsigned int wait_time,
6576 const u8 *dst, const u8 *src,
6577 const u8 *bssid,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006578 const u8 *data, size_t data_len,
6579 int no_cck)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006580{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006581 struct wpa_driver_nl80211_data *drv = bss->drv;
6582 int ret = -1;
6583 u8 *buf;
6584 struct ieee80211_hdr *hdr;
6585
6586 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08006587 "freq=%u MHz wait=%d ms no_cck=%d)",
6588 drv->ifindex, freq, wait_time, no_cck);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006589
6590 buf = os_zalloc(24 + data_len);
6591 if (buf == NULL)
6592 return ret;
6593 os_memcpy(buf + 24, data, data_len);
6594 hdr = (struct ieee80211_hdr *) buf;
6595 hdr->frame_control =
6596 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
6597 os_memcpy(hdr->addr1, dst, ETH_ALEN);
6598 os_memcpy(hdr->addr2, src, ETH_ALEN);
6599 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
6600
Dmitry Shmidt56052862013-10-04 10:23:25 -07006601 if (is_ap_interface(drv->nlmode) &&
6602 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6603 (int) freq == bss->freq || drv->device_ap_sme ||
6604 !drv->use_monitor))
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08006605 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
6606 0, freq, no_cck, 1,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006607 wait_time, NULL, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006608 else
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006609 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006610 24 + data_len,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006611 &drv->send_action_cookie,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006612 no_cck, 0, 1, NULL, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006613
6614 os_free(buf);
6615 return ret;
6616}
6617
6618
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -08006619static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006620{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006621 struct wpa_driver_nl80211_data *drv = bss->drv;
6622 struct nl_msg *msg;
6623 int ret;
6624
Dmitry Shmidt2f3b8de2013-03-01 09:32:50 -08006625 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -08006626 (long long unsigned int) cookie);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006627 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -08006628 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006629 nlmsg_free(msg);
6630 return;
6631 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006632
6633 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006634 if (ret)
6635 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
6636 "(%s)", ret, strerror(-ret));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006637}
6638
6639
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -08006640static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
6641{
6642 struct i802_bss *bss = priv;
6643 struct wpa_driver_nl80211_data *drv = bss->drv;
6644 unsigned int i;
6645 u64 cookie;
6646
6647 /* Cancel the last pending TX cookie */
6648 nl80211_frame_wait_cancel(bss, drv->send_action_cookie);
6649
6650 /*
6651 * Cancel the other pending TX cookies, if any. This is needed since
6652 * the driver may keep a list of all pending offchannel TX operations
6653 * and free up the radio only once they have expired or cancelled.
6654 */
6655 for (i = drv->num_send_action_cookies; i > 0; i--) {
6656 cookie = drv->send_action_cookies[i - 1];
6657 if (cookie != drv->send_action_cookie)
6658 nl80211_frame_wait_cancel(bss, cookie);
6659 }
6660 drv->num_send_action_cookies = 0;
6661}
6662
6663
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006664static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
6665 unsigned int duration)
6666{
6667 struct i802_bss *bss = priv;
6668 struct wpa_driver_nl80211_data *drv = bss->drv;
6669 struct nl_msg *msg;
6670 int ret;
6671 u64 cookie;
6672
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006673 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
6674 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
6675 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
6676 nlmsg_free(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006677 return -1;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006678 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006679
6680 cookie = 0;
6681 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6682 if (ret == 0) {
6683 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
6684 "0x%llx for freq=%u MHz duration=%u",
6685 (long long unsigned int) cookie, freq, duration);
6686 drv->remain_on_chan_cookie = cookie;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006687 drv->pending_remain_on_chan = 1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006688 return 0;
6689 }
6690 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
6691 "(freq=%d duration=%u): %d (%s)",
6692 freq, duration, ret, strerror(-ret));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006693 return -1;
6694}
6695
6696
6697static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
6698{
6699 struct i802_bss *bss = priv;
6700 struct wpa_driver_nl80211_data *drv = bss->drv;
6701 struct nl_msg *msg;
6702 int ret;
6703
6704 if (!drv->pending_remain_on_chan) {
6705 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
6706 "to cancel");
6707 return -1;
6708 }
6709
6710 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
6711 "0x%llx",
6712 (long long unsigned int) drv->remain_on_chan_cookie);
6713
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006714 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
6715 if (!msg ||
6716 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
6717 nlmsg_free(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006718 return -1;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006719 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006720
6721 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6722 if (ret == 0)
6723 return 0;
6724 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
6725 "%d (%s)", ret, strerror(-ret));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006726 return -1;
6727}
6728
6729
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08006730static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006731{
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006732 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidt6e933c12011-09-27 12:29:26 -07006733
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006734 if (!report) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006735 if (bss->nl_preq && drv->device_ap_sme &&
Dmitry Shmidt03658832014-08-13 11:03:49 -07006736 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
6737 !bss->static_ap) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006738 /*
6739 * Do not disable Probe Request reporting that was
6740 * enabled in nl80211_setup_ap().
6741 */
6742 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
6743 "Probe Request reporting nl_preq=%p while "
6744 "in AP mode", bss->nl_preq);
6745 } else if (bss->nl_preq) {
6746 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
6747 "reporting nl_preq=%p", bss->nl_preq);
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07006748 nl80211_destroy_eloop_handle(&bss->nl_preq);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006749 }
6750 return 0;
6751 }
6752
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006753 if (bss->nl_preq) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006754 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006755 "already on! nl_preq=%p", bss->nl_preq);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006756 return 0;
6757 }
6758
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006759 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
6760 if (bss->nl_preq == NULL)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006761 return -1;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006762 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
6763 "reporting nl_preq=%p", bss->nl_preq);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006764
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006765 if (nl80211_register_frame(bss, bss->nl_preq,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006766 (WLAN_FC_TYPE_MGMT << 2) |
6767 (WLAN_FC_STYPE_PROBE_REQ << 4),
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006768 NULL, 0) < 0)
6769 goto out_err;
Dmitry Shmidt497c1d52011-07-21 15:19:46 -07006770
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07006771 nl80211_register_eloop_read(&bss->nl_preq,
6772 wpa_driver_nl80211_event_receive,
6773 bss->nl_cb);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006774
6775 return 0;
6776
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006777 out_err:
6778 nl_destroy_handles(&bss->nl_preq);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006779 return -1;
6780}
6781
6782
6783static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
6784 int ifindex, int disabled)
6785{
6786 struct nl_msg *msg;
6787 struct nlattr *bands, *band;
6788 int ret;
6789
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006790 wpa_printf(MSG_DEBUG,
6791 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6792 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
6793 "no NL80211_TXRATE_LEGACY constraint");
6794
6795 msg = nl80211_ifindex_msg(drv, ifindex, 0,
6796 NL80211_CMD_SET_TX_BITRATE_MASK);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006797 if (!msg)
6798 return -1;
6799
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006800 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
6801 if (!bands)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006802 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006803
6804 /*
6805 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6806 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6807 * rates. All 5 GHz rates are left enabled.
6808 */
6809 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006810 if (!band ||
6811 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
6812 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6813 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006814 nla_nest_end(msg, band);
6815
6816 nla_nest_end(msg, bands);
6817
6818 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006819 if (ret) {
6820 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
6821 "(%s)", ret, strerror(-ret));
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07006822 } else
6823 drv->disabled_11b_rates = disabled;
6824
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006825 return ret;
6826
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006827fail:
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006828 nlmsg_free(msg);
6829 return -1;
6830}
6831
6832
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006833static int wpa_driver_nl80211_deinit_ap(void *priv)
6834{
6835 struct i802_bss *bss = priv;
6836 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006837 if (!is_ap_interface(drv->nlmode))
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006838 return -1;
6839 wpa_driver_nl80211_del_beacon(drv);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006840 bss->beacon_set = 0;
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07006841
6842 /*
6843 * If the P2P GO interface was dynamically added, then it is
6844 * possible that the interface change to station is not possible.
6845 */
6846 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
6847 return 0;
6848
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08006849 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006850}
6851
6852
Dmitry Shmidtea69e842013-05-13 14:52:28 -07006853static int wpa_driver_nl80211_stop_ap(void *priv)
6854{
6855 struct i802_bss *bss = priv;
6856 struct wpa_driver_nl80211_data *drv = bss->drv;
6857 if (!is_ap_interface(drv->nlmode))
6858 return -1;
6859 wpa_driver_nl80211_del_beacon(drv);
6860 bss->beacon_set = 0;
6861 return 0;
6862}
6863
6864
Dmitry Shmidt04949592012-07-19 12:16:46 -07006865static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
6866{
6867 struct i802_bss *bss = priv;
6868 struct wpa_driver_nl80211_data *drv = bss->drv;
6869 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
6870 return -1;
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07006871
6872 /*
6873 * If the P2P Client interface was dynamically added, then it is
6874 * possible that the interface change to station is not possible.
6875 */
6876 if (bss->if_dynamic)
6877 return 0;
6878
Dmitry Shmidt04949592012-07-19 12:16:46 -07006879 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6880}
6881
6882
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006883static void wpa_driver_nl80211_resume(void *priv)
6884{
6885 struct i802_bss *bss = priv;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006886 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006887
6888 if (i802_set_iface_flags(bss, 1))
6889 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006890
6891 if (is_p2p_net_interface(nlmode))
6892 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006893}
6894
6895
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006896static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
6897{
6898 struct i802_bss *bss = priv;
6899 struct wpa_driver_nl80211_data *drv = bss->drv;
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07006900 struct nl_msg *msg;
6901 struct nlattr *cqm;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006902
6903 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
6904 "hysteresis=%d", threshold, hysteresis);
6905
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006906 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
6907 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
6908 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
6909 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
6910 nlmsg_free(msg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006911 return -1;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006912 }
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07006913 nla_nest_end(msg, cqm);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006914
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006915 return send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006916}
6917
6918
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006919static int get_channel_width(struct nl_msg *msg, void *arg)
6920{
6921 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6922 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6923 struct wpa_signal_info *sig_change = arg;
6924
6925 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6926 genlmsg_attrlen(gnlh, 0), NULL);
6927
6928 sig_change->center_frq1 = -1;
6929 sig_change->center_frq2 = -1;
6930 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
6931
6932 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
6933 sig_change->chanwidth = convert2width(
6934 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
6935 if (tb[NL80211_ATTR_CENTER_FREQ1])
6936 sig_change->center_frq1 =
6937 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
6938 if (tb[NL80211_ATTR_CENTER_FREQ2])
6939 sig_change->center_frq2 =
6940 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
6941 }
6942
6943 return NL_SKIP;
6944}
6945
6946
6947static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
6948 struct wpa_signal_info *sig)
6949{
6950 struct nl_msg *msg;
6951
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08006952 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006953 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006954}
6955
6956
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006957static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
6958{
6959 struct i802_bss *bss = priv;
6960 struct wpa_driver_nl80211_data *drv = bss->drv;
6961 int res;
6962
6963 os_memset(si, 0, sizeof(*si));
6964 res = nl80211_get_link_signal(drv, si);
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -08006965 if (res) {
6966 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
6967 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
6968 return res;
6969 si->current_signal = 0;
6970 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006971
Dmitry Shmidt34af3062013-07-11 10:46:32 -07006972 res = nl80211_get_channel_width(drv, si);
6973 if (res != 0)
6974 return res;
6975
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006976 return nl80211_get_link_noise(drv, si);
6977}
6978
6979
6980static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
6981 int encrypt)
6982{
6983 struct i802_bss *bss = priv;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08006984 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08006985 0, 0, 0, 0, NULL, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006986}
6987
6988
6989static int nl80211_set_param(void *priv, const char *param)
6990{
Dmitry Shmidtaca489e2016-09-28 15:44:14 -07006991 struct i802_bss *bss = priv;
6992 struct wpa_driver_nl80211_data *drv = bss->drv;
6993
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006994 if (param == NULL)
6995 return 0;
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08006996 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07006997
6998#ifdef CONFIG_P2P
6999 if (os_strstr(param, "use_p2p_group_interface=1")) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007000 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
7001 "interface");
7002 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
7003 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
7004 }
7005#endif /* CONFIG_P2P */
7006
Dmitry Shmidtaca489e2016-09-28 15:44:14 -07007007 if (os_strstr(param, "use_monitor=1"))
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08007008 drv->use_monitor = 1;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08007009
7010 if (os_strstr(param, "force_connect_cmd=1")) {
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08007011 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07007012 drv->force_connect_cmd = 1;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08007013 }
7014
Dmitry Shmidtaca489e2016-09-28 15:44:14 -07007015 if (os_strstr(param, "force_bss_selection=1"))
7016 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
7017
Dmitry Shmidt7d5c8f22014-03-03 13:53:28 -08007018 if (os_strstr(param, "no_offchannel_tx=1")) {
Dmitry Shmidt7d5c8f22014-03-03 13:53:28 -08007019 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
7020 drv->test_use_roc_tx = 1;
7021 }
7022
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007023 return 0;
7024}
7025
7026
Dmitry Shmidte4663042016-04-04 10:07:49 -07007027static void * nl80211_global_init(void *ctx)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007028{
7029 struct nl80211_global *global;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007030 struct netlink_config *cfg;
7031
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007032 global = os_zalloc(sizeof(*global));
7033 if (global == NULL)
7034 return NULL;
Dmitry Shmidte4663042016-04-04 10:07:49 -07007035 global->ctx = ctx;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007036 global->ioctl_sock = -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007037 dl_list_init(&global->interfaces);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007038 global->if_add_ifindex = -1;
7039
7040 cfg = os_zalloc(sizeof(*cfg));
7041 if (cfg == NULL)
7042 goto err;
7043
7044 cfg->ctx = global;
7045 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
7046 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
7047 global->netlink = netlink_init(cfg);
7048 if (global->netlink == NULL) {
7049 os_free(cfg);
7050 goto err;
7051 }
7052
7053 if (wpa_driver_nl80211_init_nl_global(global) < 0)
7054 goto err;
7055
7056 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
7057 if (global->ioctl_sock < 0) {
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07007058 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
7059 strerror(errno));
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007060 goto err;
7061 }
7062
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007063 return global;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007064
7065err:
7066 nl80211_global_deinit(global);
7067 return NULL;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007068}
7069
7070
7071static void nl80211_global_deinit(void *priv)
7072{
7073 struct nl80211_global *global = priv;
7074 if (global == NULL)
7075 return;
7076 if (!dl_list_empty(&global->interfaces)) {
7077 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
7078 "nl80211_global_deinit",
7079 dl_list_len(&global->interfaces));
7080 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007081
7082 if (global->netlink)
7083 netlink_deinit(global->netlink);
7084
7085 nl_destroy_handles(&global->nl);
7086
Dmitry Shmidt68d0e3e2013-10-28 17:59:21 -07007087 if (global->nl_event)
7088 nl80211_destroy_eloop_handle(&global->nl_event);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007089
7090 nl_cb_put(global->nl_cb);
7091
7092 if (global->ioctl_sock >= 0)
7093 close(global->ioctl_sock);
7094
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007095 os_free(global);
7096}
7097
7098
7099static const char * nl80211_get_radio_name(void *priv)
7100{
7101 struct i802_bss *bss = priv;
7102 struct wpa_driver_nl80211_data *drv = bss->drv;
7103 return drv->phyname;
7104}
7105
7106
Jouni Malinen75ecf522011-06-27 15:19:46 -07007107static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
7108 const u8 *pmkid)
7109{
7110 struct nl_msg *msg;
7111
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007112 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
7113 (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
7114 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
7115 nlmsg_free(msg);
7116 return -ENOBUFS;
7117 }
Jouni Malinen75ecf522011-06-27 15:19:46 -07007118
7119 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
Jouni Malinen75ecf522011-06-27 15:19:46 -07007120}
7121
7122
7123static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
7124{
7125 struct i802_bss *bss = priv;
7126 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
7127 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
7128}
7129
7130
7131static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
7132{
7133 struct i802_bss *bss = priv;
7134 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
7135 MAC2STR(bssid));
7136 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
7137}
7138
7139
7140static int nl80211_flush_pmkid(void *priv)
7141{
7142 struct i802_bss *bss = priv;
7143 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
7144 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
7145}
7146
7147
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07007148static void clean_survey_results(struct survey_results *survey_results)
7149{
7150 struct freq_survey *survey, *tmp;
7151
7152 if (dl_list_empty(&survey_results->survey_list))
7153 return;
7154
7155 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
7156 struct freq_survey, list) {
7157 dl_list_del(&survey->list);
7158 os_free(survey);
7159 }
7160}
7161
7162
7163static void add_survey(struct nlattr **sinfo, u32 ifidx,
7164 struct dl_list *survey_list)
7165{
7166 struct freq_survey *survey;
7167
7168 survey = os_zalloc(sizeof(struct freq_survey));
7169 if (!survey)
7170 return;
7171
7172 survey->ifidx = ifidx;
7173 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
7174 survey->filled = 0;
7175
7176 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
7177 survey->nf = (int8_t)
7178 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
7179 survey->filled |= SURVEY_HAS_NF;
7180 }
7181
7182 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
7183 survey->channel_time =
7184 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
7185 survey->filled |= SURVEY_HAS_CHAN_TIME;
7186 }
7187
7188 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
7189 survey->channel_time_busy =
7190 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
7191 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
7192 }
7193
7194 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
7195 survey->channel_time_rx =
7196 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
7197 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
7198 }
7199
7200 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
7201 survey->channel_time_tx =
7202 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
7203 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
7204 }
7205
7206 wpa_printf(MSG_DEBUG, "nl80211: Freq survey dump event (freq=%d MHz noise=%d channel_time=%ld busy_time=%ld tx_time=%ld rx_time=%ld filled=%04x)",
7207 survey->freq,
7208 survey->nf,
7209 (unsigned long int) survey->channel_time,
7210 (unsigned long int) survey->channel_time_busy,
7211 (unsigned long int) survey->channel_time_tx,
7212 (unsigned long int) survey->channel_time_rx,
7213 survey->filled);
7214
7215 dl_list_add_tail(survey_list, &survey->list);
7216}
7217
7218
7219static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
7220 unsigned int freq_filter)
7221{
7222 if (!freq_filter)
7223 return 1;
7224
7225 return freq_filter == surveyed_freq;
7226}
7227
7228
7229static int survey_handler(struct nl_msg *msg, void *arg)
7230{
7231 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7232 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7233 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
7234 struct survey_results *survey_results;
7235 u32 surveyed_freq = 0;
7236 u32 ifidx;
7237
7238 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
7239 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
7240 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
7241 };
7242
7243 survey_results = (struct survey_results *) arg;
7244
7245 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7246 genlmsg_attrlen(gnlh, 0), NULL);
7247
Dmitry Shmidt97672262014-02-03 13:02:54 -08007248 if (!tb[NL80211_ATTR_IFINDEX])
7249 return NL_SKIP;
7250
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07007251 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
7252
7253 if (!tb[NL80211_ATTR_SURVEY_INFO])
7254 return NL_SKIP;
7255
7256 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
7257 tb[NL80211_ATTR_SURVEY_INFO],
7258 survey_policy))
7259 return NL_SKIP;
7260
7261 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
7262 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
7263 return NL_SKIP;
7264 }
7265
7266 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
7267
7268 if (!check_survey_ok(sinfo, surveyed_freq,
7269 survey_results->freq_filter))
7270 return NL_SKIP;
7271
7272 if (survey_results->freq_filter &&
7273 survey_results->freq_filter != surveyed_freq) {
7274 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
7275 surveyed_freq);
7276 return NL_SKIP;
7277 }
7278
7279 add_survey(sinfo, ifidx, &survey_results->survey_list);
7280
7281 return NL_SKIP;
7282}
7283
7284
7285static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
7286{
7287 struct i802_bss *bss = priv;
7288 struct wpa_driver_nl80211_data *drv = bss->drv;
7289 struct nl_msg *msg;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007290 int err;
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07007291 union wpa_event_data data;
7292 struct survey_results *survey_results;
7293
7294 os_memset(&data, 0, sizeof(data));
7295 survey_results = &data.survey_results;
7296
7297 dl_list_init(&survey_results->survey_list);
7298
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007299 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07007300 if (!msg)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007301 return -ENOBUFS;
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07007302
7303 if (freq)
7304 data.survey_results.freq_filter = freq;
7305
7306 do {
7307 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
7308 err = send_and_recv_msgs(drv, msg, survey_handler,
7309 survey_results);
7310 } while (err > 0);
7311
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007312 if (err)
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07007313 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007314 else
7315 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07007316
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07007317 clean_survey_results(survey_results);
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07007318 return err;
7319}
7320
7321
Dmitry Shmidt807291d2015-01-27 13:40:23 -08007322static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
7323 const u8 *kck, size_t kck_len,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007324 const u8 *replay_ctr)
7325{
7326 struct i802_bss *bss = priv;
7327 struct wpa_driver_nl80211_data *drv = bss->drv;
7328 struct nlattr *replay_nested;
7329 struct nl_msg *msg;
Dmitry Shmidtff787d52015-01-12 13:01:47 -08007330 int ret;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007331
Dmitry Shmidtff787d52015-01-12 13:01:47 -08007332 if (!drv->set_rekey_offload)
7333 return;
7334
7335 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007336 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
7337 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
Dmitry Shmidt807291d2015-01-27 13:40:23 -08007338 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
7339 nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck) ||
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007340 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
7341 replay_ctr)) {
7342 nl80211_nlmsg_clear(msg);
7343 nlmsg_free(msg);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007344 return;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007345 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007346
7347 nla_nest_end(msg, replay_nested);
7348
Dmitry Shmidtff787d52015-01-12 13:01:47 -08007349 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
7350 if (ret == -EOPNOTSUPP) {
7351 wpa_printf(MSG_DEBUG,
7352 "nl80211: Driver does not support rekey offload");
7353 drv->set_rekey_offload = 0;
7354 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007355}
7356
7357
7358static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
7359 const u8 *addr, int qos)
7360{
7361 /* send data frame to poll STA and check whether
7362 * this frame is ACKed */
7363 struct {
7364 struct ieee80211_hdr hdr;
7365 u16 qos_ctl;
7366 } STRUCT_PACKED nulldata;
7367 size_t size;
7368
7369 /* Send data frame to poll STA and check whether this frame is ACKed */
7370
7371 os_memset(&nulldata, 0, sizeof(nulldata));
7372
7373 if (qos) {
7374 nulldata.hdr.frame_control =
7375 IEEE80211_FC(WLAN_FC_TYPE_DATA,
7376 WLAN_FC_STYPE_QOS_NULL);
7377 size = sizeof(nulldata);
7378 } else {
7379 nulldata.hdr.frame_control =
7380 IEEE80211_FC(WLAN_FC_TYPE_DATA,
7381 WLAN_FC_STYPE_NULLFUNC);
7382 size = sizeof(struct ieee80211_hdr);
7383 }
7384
7385 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
7386 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
7387 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
7388 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
7389
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08007390 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08007391 0, 0, NULL, 0) < 0)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007392 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
7393 "send poll frame");
7394}
7395
7396static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
7397 int qos)
7398{
7399 struct i802_bss *bss = priv;
7400 struct wpa_driver_nl80211_data *drv = bss->drv;
7401 struct nl_msg *msg;
Dmitry Shmidt7f656022015-02-25 14:36:37 -08007402 int ret;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007403
7404 if (!drv->poll_command_supported) {
7405 nl80211_send_null_frame(bss, own_addr, addr, qos);
7406 return;
7407 }
7408
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007409 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
7410 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7411 nlmsg_free(msg);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007412 return;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007413 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007414
Dmitry Shmidt7f656022015-02-25 14:36:37 -08007415 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7416 if (ret < 0) {
7417 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
7418 MACSTR " failed: ret=%d (%s)",
7419 MAC2STR(addr), ret, strerror(-ret));
7420 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007421}
7422
7423
7424static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
7425{
7426 struct nl_msg *msg;
7427
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007428 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
7429 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
7430 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
7431 nlmsg_free(msg);
7432 return -ENOBUFS;
7433 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007434 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007435}
7436
7437
7438static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
7439 int ctwindow)
7440{
7441 struct i802_bss *bss = priv;
7442
7443 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
7444 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
7445
Dmitry Shmidt292b0c32013-11-22 12:54:42 -08007446 if (opp_ps != -1 || ctwindow != -1) {
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08007447#ifdef ANDROID_P2P
7448 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
Dmitry Shmidt292b0c32013-11-22 12:54:42 -08007449#else /* ANDROID_P2P */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007450 return -1; /* Not yet supported */
Dmitry Shmidt292b0c32013-11-22 12:54:42 -08007451#endif /* ANDROID_P2P */
7452 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007453
7454 if (legacy_ps == -1)
7455 return 0;
7456 if (legacy_ps != 0 && legacy_ps != 1)
7457 return -1; /* Not yet supported */
7458
7459 return nl80211_set_power_save(bss, legacy_ps);
7460}
7461
7462
Dmitry Shmidt051af732013-10-22 13:52:46 -07007463static int nl80211_start_radar_detection(void *priv,
7464 struct hostapd_freq_params *freq)
Dmitry Shmidtea69e842013-05-13 14:52:28 -07007465{
7466 struct i802_bss *bss = priv;
7467 struct wpa_driver_nl80211_data *drv = bss->drv;
7468 struct nl_msg *msg;
7469 int ret;
7470
Dmitry Shmidt051af732013-10-22 13:52:46 -07007471 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
7472 freq->freq, freq->ht_enabled, freq->vht_enabled,
7473 freq->bandwidth, freq->center_freq1, freq->center_freq2);
7474
Dmitry Shmidtea69e842013-05-13 14:52:28 -07007475 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
7476 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
7477 "detection");
7478 return -1;
7479 }
7480
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007481 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
7482 nl80211_put_freq_params(msg, freq) < 0) {
7483 nlmsg_free(msg);
Dmitry Shmidtea69e842013-05-13 14:52:28 -07007484 return -1;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007485 }
Dmitry Shmidtea69e842013-05-13 14:52:28 -07007486
7487 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7488 if (ret == 0)
7489 return 0;
7490 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
7491 "%d (%s)", ret, strerror(-ret));
Dmitry Shmidtea69e842013-05-13 14:52:28 -07007492 return -1;
7493}
7494
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007495#ifdef CONFIG_TDLS
7496
7497static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
7498 u8 dialog_token, u16 status_code,
Dmitry Shmidt9ead16e2014-10-07 13:15:23 -07007499 u32 peer_capab, int initiator, const u8 *buf,
7500 size_t len)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007501{
7502 struct i802_bss *bss = priv;
7503 struct wpa_driver_nl80211_data *drv = bss->drv;
7504 struct nl_msg *msg;
7505
7506 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7507 return -EOPNOTSUPP;
7508
7509 if (!dst)
7510 return -EINVAL;
7511
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007512 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
7513 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7514 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
7515 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
7516 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
7517 goto fail;
Dmitry Shmidtdf5a7e42014-04-02 12:59:59 -07007518 if (peer_capab) {
7519 /*
7520 * The internal enum tdls_peer_capability definition is
7521 * currently identical with the nl80211 enum
7522 * nl80211_tdls_peer_capability, so no conversion is needed
7523 * here.
7524 */
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007525 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
7526 peer_capab))
7527 goto fail;
Dmitry Shmidtdf5a7e42014-04-02 12:59:59 -07007528 }
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007529 if ((initiator &&
7530 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
7531 nla_put(msg, NL80211_ATTR_IE, len, buf))
7532 goto fail;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007533
7534 return send_and_recv_msgs(drv, msg, NULL, NULL);
7535
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007536fail:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007537 nlmsg_free(msg);
7538 return -ENOBUFS;
7539}
7540
7541
7542static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
7543{
7544 struct i802_bss *bss = priv;
7545 struct wpa_driver_nl80211_data *drv = bss->drv;
7546 struct nl_msg *msg;
7547 enum nl80211_tdls_operation nl80211_oper;
7548
7549 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7550 return -EOPNOTSUPP;
7551
7552 switch (oper) {
7553 case TDLS_DISCOVERY_REQ:
7554 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
7555 break;
7556 case TDLS_SETUP:
7557 nl80211_oper = NL80211_TDLS_SETUP;
7558 break;
7559 case TDLS_TEARDOWN:
7560 nl80211_oper = NL80211_TDLS_TEARDOWN;
7561 break;
7562 case TDLS_ENABLE_LINK:
7563 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
7564 break;
7565 case TDLS_DISABLE_LINK:
7566 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
7567 break;
7568 case TDLS_ENABLE:
7569 return 0;
7570 case TDLS_DISABLE:
7571 return 0;
7572 default:
7573 return -EINVAL;
7574 }
7575
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007576 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
7577 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
7578 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
7579 nlmsg_free(msg);
7580 return -ENOBUFS;
7581 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007582
7583 return send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007584}
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007585
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007586
7587static int
7588nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
7589 const struct hostapd_freq_params *params)
7590{
7591 struct i802_bss *bss = priv;
7592 struct wpa_driver_nl80211_data *drv = bss->drv;
7593 struct nl_msg *msg;
7594 int ret = -ENOBUFS;
7595
7596 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7597 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7598 return -EOPNOTSUPP;
7599
7600 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
7601 " oper_class=%u freq=%u",
7602 MAC2STR(addr), oper_class, params->freq);
7603 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
7604 if (!msg ||
7605 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7606 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
7607 (ret = nl80211_put_freq_params(msg, params))) {
7608 nlmsg_free(msg);
7609 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
7610 return ret;
7611 }
7612
7613 return send_and_recv_msgs(drv, msg, NULL, NULL);
7614}
7615
7616
7617static int
7618nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
7619{
7620 struct i802_bss *bss = priv;
7621 struct wpa_driver_nl80211_data *drv = bss->drv;
7622 struct nl_msg *msg;
7623
7624 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7625 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7626 return -EOPNOTSUPP;
7627
7628 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
7629 MAC2STR(addr));
7630 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
7631 if (!msg ||
7632 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7633 nlmsg_free(msg);
7634 wpa_printf(MSG_DEBUG,
7635 "nl80211: Could not build TDLS cancel chan switch");
7636 return -ENOBUFS;
7637 }
7638
7639 return send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08007640}
7641
7642#endif /* CONFIG TDLS */
7643
7644
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08007645static int driver_nl80211_set_key(const char *ifname, void *priv,
7646 enum wpa_alg alg, const u8 *addr,
7647 int key_idx, int set_tx,
7648 const u8 *seq, size_t seq_len,
7649 const u8 *key, size_t key_len)
7650{
7651 struct i802_bss *bss = priv;
7652 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
7653 set_tx, seq, seq_len, key, key_len);
7654}
7655
7656
7657static int driver_nl80211_scan2(void *priv,
7658 struct wpa_driver_scan_params *params)
7659{
7660 struct i802_bss *bss = priv;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08007661#ifdef CONFIG_DRIVER_NL80211_QCA
7662 struct wpa_driver_nl80211_data *drv = bss->drv;
7663
7664 /*
7665 * Do a vendor specific scan if possible. If only_new_results is
7666 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
7667 * cannot be achieved through a vendor scan. The below condition may
7668 * need to be modified if new scan flags are added in the future whose
7669 * functionality can only be achieved through a normal scan.
7670 */
7671 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
7672 return wpa_driver_nl80211_vendor_scan(bss, params);
7673#endif /* CONFIG_DRIVER_NL80211_QCA */
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08007674 return wpa_driver_nl80211_scan(bss, params);
7675}
7676
7677
7678static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
7679 int reason_code)
7680{
7681 struct i802_bss *bss = priv;
7682 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
7683}
7684
7685
7686static int driver_nl80211_authenticate(void *priv,
7687 struct wpa_driver_auth_params *params)
7688{
7689 struct i802_bss *bss = priv;
7690 return wpa_driver_nl80211_authenticate(bss, params);
7691}
7692
7693
7694static void driver_nl80211_deinit(void *priv)
7695{
7696 struct i802_bss *bss = priv;
7697 wpa_driver_nl80211_deinit(bss);
7698}
7699
7700
7701static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
7702 const char *ifname)
7703{
7704 struct i802_bss *bss = priv;
7705 return wpa_driver_nl80211_if_remove(bss, type, ifname);
7706}
7707
7708
7709static int driver_nl80211_send_mlme(void *priv, const u8 *data,
Dmitry Shmidta3dc3092015-06-23 11:21:28 -07007710 size_t data_len, int noack,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08007711 unsigned int freq,
7712 const u16 *csa_offs, size_t csa_offs_len)
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08007713{
7714 struct i802_bss *bss = priv;
7715 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08007716 freq, 0, 0, 0, csa_offs,
7717 csa_offs_len);
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08007718}
7719
7720
7721static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
7722{
7723 struct i802_bss *bss = priv;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007724 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08007725}
7726
7727
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08007728static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
7729 const char *ifname, int vlan_id)
7730{
7731 struct i802_bss *bss = priv;
7732 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
7733}
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08007734
7735
7736static int driver_nl80211_read_sta_data(void *priv,
7737 struct hostap_sta_driver_data *data,
7738 const u8 *addr)
7739{
7740 struct i802_bss *bss = priv;
7741 return i802_read_sta_data(bss, data, addr);
7742}
7743
7744
7745static int driver_nl80211_send_action(void *priv, unsigned int freq,
7746 unsigned int wait_time,
7747 const u8 *dst, const u8 *src,
7748 const u8 *bssid,
7749 const u8 *data, size_t data_len,
7750 int no_cck)
7751{
7752 struct i802_bss *bss = priv;
7753 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
7754 bssid, data, data_len, no_cck);
7755}
7756
7757
7758static int driver_nl80211_probe_req_report(void *priv, int report)
7759{
7760 struct i802_bss *bss = priv;
7761 return wpa_driver_nl80211_probe_req_report(bss, report);
7762}
7763
7764
Dmitry Shmidt700a1372013-03-15 14:14:44 -07007765static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
7766 const u8 *ies, size_t ies_len)
7767{
7768 int ret;
7769 struct nl_msg *msg;
7770 struct i802_bss *bss = priv;
7771 struct wpa_driver_nl80211_data *drv = bss->drv;
7772 u16 mdid = WPA_GET_LE16(md);
7773
Dmitry Shmidt700a1372013-03-15 14:14:44 -07007774 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007775 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
7776 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
7777 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
7778 nlmsg_free(msg);
7779 return -ENOBUFS;
7780 }
Dmitry Shmidt700a1372013-03-15 14:14:44 -07007781
7782 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7783 if (ret) {
7784 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
7785 "err=%d (%s)", ret, strerror(-ret));
7786 }
7787
7788 return ret;
Dmitry Shmidt700a1372013-03-15 14:14:44 -07007789}
7790
7791
Dmitry Shmidt4ae50e62016-06-27 13:48:39 -07007792static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
Dmitry Shmidt34af3062013-07-11 10:46:32 -07007793{
7794 struct i802_bss *bss = priv;
7795 struct wpa_driver_nl80211_data *drv = bss->drv;
7796
7797 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
7798 return NULL;
7799
7800 return bss->addr;
7801}
7802
7803
Dmitry Shmidt56052862013-10-04 10:23:25 -07007804static const char * scan_state_str(enum scan_states scan_state)
7805{
7806 switch (scan_state) {
7807 case NO_SCAN:
7808 return "NO_SCAN";
7809 case SCAN_REQUESTED:
7810 return "SCAN_REQUESTED";
7811 case SCAN_STARTED:
7812 return "SCAN_STARTED";
7813 case SCAN_COMPLETED:
7814 return "SCAN_COMPLETED";
7815 case SCAN_ABORTED:
7816 return "SCAN_ABORTED";
7817 case SCHED_SCAN_STARTED:
7818 return "SCHED_SCAN_STARTED";
7819 case SCHED_SCAN_STOPPED:
7820 return "SCHED_SCAN_STOPPED";
7821 case SCHED_SCAN_RESULTS:
7822 return "SCHED_SCAN_RESULTS";
7823 }
7824
7825 return "??";
7826}
7827
7828
7829static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
7830{
7831 struct i802_bss *bss = priv;
7832 struct wpa_driver_nl80211_data *drv = bss->drv;
7833 int res;
7834 char *pos, *end;
7835
7836 pos = buf;
7837 end = buf + buflen;
7838
7839 res = os_snprintf(pos, end - pos,
7840 "ifindex=%d\n"
7841 "ifname=%s\n"
7842 "brname=%s\n"
7843 "addr=" MACSTR "\n"
7844 "freq=%d\n"
7845 "%s%s%s%s%s",
7846 bss->ifindex,
7847 bss->ifname,
7848 bss->brname,
7849 MAC2STR(bss->addr),
7850 bss->freq,
7851 bss->beacon_set ? "beacon_set=1\n" : "",
7852 bss->added_if_into_bridge ?
7853 "added_if_into_bridge=1\n" : "",
7854 bss->added_bridge ? "added_bridge=1\n" : "",
7855 bss->in_deinit ? "in_deinit=1\n" : "",
7856 bss->if_dynamic ? "if_dynamic=1\n" : "");
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007857 if (os_snprintf_error(end - pos, res))
Dmitry Shmidt56052862013-10-04 10:23:25 -07007858 return pos - buf;
7859 pos += res;
7860
7861 if (bss->wdev_id_set) {
7862 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
7863 (unsigned long long) bss->wdev_id);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007864 if (os_snprintf_error(end - pos, res))
Dmitry Shmidt56052862013-10-04 10:23:25 -07007865 return pos - buf;
7866 pos += res;
7867 }
7868
7869 res = os_snprintf(pos, end - pos,
7870 "phyname=%s\n"
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07007871 "perm_addr=" MACSTR "\n"
Dmitry Shmidt56052862013-10-04 10:23:25 -07007872 "drv_ifindex=%d\n"
7873 "operstate=%d\n"
7874 "scan_state=%s\n"
7875 "auth_bssid=" MACSTR "\n"
7876 "auth_attempt_bssid=" MACSTR "\n"
7877 "bssid=" MACSTR "\n"
7878 "prev_bssid=" MACSTR "\n"
7879 "associated=%d\n"
7880 "assoc_freq=%u\n"
7881 "monitor_sock=%d\n"
7882 "monitor_ifidx=%d\n"
7883 "monitor_refcount=%d\n"
7884 "last_mgmt_freq=%u\n"
7885 "eapol_tx_sock=%d\n"
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007886 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
Dmitry Shmidt56052862013-10-04 10:23:25 -07007887 drv->phyname,
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07007888 MAC2STR(drv->perm_addr),
Dmitry Shmidt56052862013-10-04 10:23:25 -07007889 drv->ifindex,
7890 drv->operstate,
7891 scan_state_str(drv->scan_state),
7892 MAC2STR(drv->auth_bssid),
7893 MAC2STR(drv->auth_attempt_bssid),
7894 MAC2STR(drv->bssid),
7895 MAC2STR(drv->prev_bssid),
7896 drv->associated,
7897 drv->assoc_freq,
7898 drv->monitor_sock,
7899 drv->monitor_ifidx,
7900 drv->monitor_refcount,
7901 drv->last_mgmt_freq,
7902 drv->eapol_tx_sock,
7903 drv->ignore_if_down_event ?
7904 "ignore_if_down_event=1\n" : "",
7905 drv->scan_complete_events ?
7906 "scan_complete_events=1\n" : "",
7907 drv->disabled_11b_rates ?
7908 "disabled_11b_rates=1\n" : "",
7909 drv->pending_remain_on_chan ?
7910 "pending_remain_on_chan=1\n" : "",
7911 drv->in_interface_list ? "in_interface_list=1\n" : "",
7912 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
7913 drv->poll_command_supported ?
7914 "poll_command_supported=1\n" : "",
7915 drv->data_tx_status ? "data_tx_status=1\n" : "",
7916 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
7917 drv->retry_auth ? "retry_auth=1\n" : "",
7918 drv->use_monitor ? "use_monitor=1\n" : "",
7919 drv->ignore_next_local_disconnect ?
7920 "ignore_next_local_disconnect=1\n" : "",
Dmitry Shmidt7dba0e52014-04-14 10:49:15 -07007921 drv->ignore_next_local_deauth ?
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007922 "ignore_next_local_deauth=1\n" : "");
7923 if (os_snprintf_error(end - pos, res))
Dmitry Shmidt56052862013-10-04 10:23:25 -07007924 return pos - buf;
7925 pos += res;
7926
7927 if (drv->has_capability) {
7928 res = os_snprintf(pos, end - pos,
7929 "capa.key_mgmt=0x%x\n"
7930 "capa.enc=0x%x\n"
7931 "capa.auth=0x%x\n"
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007932 "capa.flags=0x%llx\n"
7933 "capa.rrm_flags=0x%x\n"
Dmitry Shmidt56052862013-10-04 10:23:25 -07007934 "capa.max_scan_ssids=%d\n"
7935 "capa.max_sched_scan_ssids=%d\n"
7936 "capa.sched_scan_supported=%d\n"
7937 "capa.max_match_sets=%d\n"
7938 "capa.max_remain_on_chan=%u\n"
7939 "capa.max_stations=%u\n"
7940 "capa.probe_resp_offloads=0x%x\n"
7941 "capa.max_acl_mac_addrs=%u\n"
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007942 "capa.num_multichan_concurrent=%u\n"
7943 "capa.mac_addr_rand_sched_scan_supported=%d\n"
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08007944 "capa.mac_addr_rand_scan_supported=%d\n"
7945 "capa.conc_capab=%u\n"
7946 "capa.max_conc_chan_2_4=%u\n"
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -08007947 "capa.max_conc_chan_5_0=%u\n"
7948 "capa.max_sched_scan_plans=%u\n"
7949 "capa.max_sched_scan_plan_interval=%u\n"
7950 "capa.max_sched_scan_plan_iterations=%u\n",
Dmitry Shmidt56052862013-10-04 10:23:25 -07007951 drv->capa.key_mgmt,
7952 drv->capa.enc,
7953 drv->capa.auth,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007954 (unsigned long long) drv->capa.flags,
7955 drv->capa.rrm_flags,
Dmitry Shmidt56052862013-10-04 10:23:25 -07007956 drv->capa.max_scan_ssids,
7957 drv->capa.max_sched_scan_ssids,
7958 drv->capa.sched_scan_supported,
7959 drv->capa.max_match_sets,
7960 drv->capa.max_remain_on_chan,
7961 drv->capa.max_stations,
7962 drv->capa.probe_resp_offloads,
7963 drv->capa.max_acl_mac_addrs,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007964 drv->capa.num_multichan_concurrent,
7965 drv->capa.mac_addr_rand_sched_scan_supported,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08007966 drv->capa.mac_addr_rand_scan_supported,
7967 drv->capa.conc_capab,
7968 drv->capa.max_conc_chan_2_4,
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -08007969 drv->capa.max_conc_chan_5_0,
7970 drv->capa.max_sched_scan_plans,
7971 drv->capa.max_sched_scan_plan_interval,
7972 drv->capa.max_sched_scan_plan_iterations);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007973 if (os_snprintf_error(end - pos, res))
Dmitry Shmidt56052862013-10-04 10:23:25 -07007974 return pos - buf;
7975 pos += res;
7976 }
7977
7978 return pos - buf;
7979}
7980
7981
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08007982static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
7983{
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08007984 if ((settings->head &&
7985 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
7986 settings->head_len, settings->head)) ||
7987 (settings->tail &&
7988 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
7989 settings->tail_len, settings->tail)) ||
7990 (settings->beacon_ies &&
7991 nla_put(msg, NL80211_ATTR_IE,
7992 settings->beacon_ies_len, settings->beacon_ies)) ||
7993 (settings->proberesp_ies &&
7994 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
7995 settings->proberesp_ies_len, settings->proberesp_ies)) ||
7996 (settings->assocresp_ies &&
7997 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
7998 settings->assocresp_ies_len, settings->assocresp_ies)) ||
7999 (settings->probe_resp &&
8000 nla_put(msg, NL80211_ATTR_PROBE_RESP,
8001 settings->probe_resp_len, settings->probe_resp)))
8002 return -ENOBUFS;
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008003
8004 return 0;
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008005}
8006
8007
8008static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
8009{
8010 struct nl_msg *msg;
8011 struct i802_bss *bss = priv;
8012 struct wpa_driver_nl80211_data *drv = bss->drv;
8013 struct nlattr *beacon_csa;
8014 int ret = -ENOBUFS;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08008015 int csa_off_len = 0;
8016 int i;
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008017
Dmitry Shmidt04f534e2013-12-09 15:50:16 -08008018 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008019 settings->cs_count, settings->block_tx,
Dmitry Shmidt04f534e2013-12-09 15:50:16 -08008020 settings->freq_params.freq, settings->freq_params.bandwidth,
8021 settings->freq_params.center_freq1,
8022 settings->freq_params.center_freq2);
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008023
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08008024 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008025 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
8026 return -EOPNOTSUPP;
8027 }
8028
8029 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
8030 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
8031 return -EOPNOTSUPP;
8032
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08008033 /*
8034 * Remove empty counters, assuming Probe Response and Beacon frame
8035 * counters match. This implementation assumes that there are only two
8036 * counters.
8037 */
8038 if (settings->counter_offset_beacon[0] &&
8039 !settings->counter_offset_beacon[1]) {
8040 csa_off_len = 1;
8041 } else if (settings->counter_offset_beacon[1] &&
8042 !settings->counter_offset_beacon[0]) {
8043 csa_off_len = 1;
8044 settings->counter_offset_beacon[0] =
8045 settings->counter_offset_beacon[1];
8046 settings->counter_offset_presp[0] =
8047 settings->counter_offset_presp[1];
8048 } else if (settings->counter_offset_beacon[1] &&
8049 settings->counter_offset_beacon[0]) {
8050 csa_off_len = 2;
8051 } else {
8052 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
8053 return -EINVAL;
8054 }
8055
8056 /* Check CSA counters validity */
8057 if (drv->capa.max_csa_counters &&
8058 csa_off_len > drv->capa.max_csa_counters) {
8059 wpa_printf(MSG_ERROR,
8060 "nl80211: Too many CSA counters provided");
8061 return -EINVAL;
8062 }
8063
8064 if (!settings->beacon_csa.tail)
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008065 return -EINVAL;
8066
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08008067 for (i = 0; i < csa_off_len; i++) {
8068 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
8069 u16 csa_c_off_presp = settings->counter_offset_presp[i];
8070
8071 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
8072 (settings->beacon_csa.tail[csa_c_off_bcn] !=
8073 settings->cs_count))
8074 return -EINVAL;
8075
8076 if (settings->beacon_csa.probe_resp &&
8077 ((settings->beacon_csa.probe_resp_len <=
8078 csa_c_off_presp) ||
8079 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
8080 settings->cs_count)))
8081 return -EINVAL;
8082 }
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008083
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008084 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
8085 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
8086 settings->cs_count) ||
8087 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
8088 (settings->block_tx &&
8089 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008090 goto error;
8091
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008092 /* beacon_after params */
8093 ret = set_beacon_data(msg, &settings->beacon_after);
8094 if (ret)
8095 goto error;
8096
8097 /* beacon_csa params */
8098 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
8099 if (!beacon_csa)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008100 goto fail;
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008101
8102 ret = set_beacon_data(msg, &settings->beacon_csa);
8103 if (ret)
8104 goto error;
8105
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08008106 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
8107 csa_off_len * sizeof(u16),
8108 settings->counter_offset_beacon) ||
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008109 (settings->beacon_csa.probe_resp &&
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08008110 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
8111 csa_off_len * sizeof(u16),
8112 settings->counter_offset_presp)))
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008113 goto fail;
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008114
8115 nla_nest_end(msg, beacon_csa);
8116 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8117 if (ret) {
8118 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
8119 ret, strerror(-ret));
8120 }
8121 return ret;
8122
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008123fail:
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08008124 ret = -ENOBUFS;
8125error:
8126 nlmsg_free(msg);
8127 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
8128 return ret;
8129}
8130
8131
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008132static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
8133 u8 user_priority, u16 admitted_time)
8134{
8135 struct i802_bss *bss = priv;
8136 struct wpa_driver_nl80211_data *drv = bss->drv;
8137 struct nl_msg *msg;
8138 int ret;
8139
8140 wpa_printf(MSG_DEBUG,
8141 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
8142 tsid, admitted_time, user_priority);
8143
8144 if (!is_sta_interface(drv->nlmode))
8145 return -ENOTSUP;
8146
8147 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
8148 if (!msg ||
8149 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
8150 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8151 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
8152 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
8153 nlmsg_free(msg);
8154 return -ENOBUFS;
8155 }
8156
8157 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8158 if (ret)
8159 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
8160 ret, strerror(-ret));
8161 return ret;
8162}
8163
8164
8165static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
8166{
8167 struct i802_bss *bss = priv;
8168 struct wpa_driver_nl80211_data *drv = bss->drv;
8169 struct nl_msg *msg;
8170 int ret;
8171
8172 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
8173
8174 if (!is_sta_interface(drv->nlmode))
8175 return -ENOTSUP;
8176
8177 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
8178 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
8179 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8180 nlmsg_free(msg);
8181 return -ENOBUFS;
8182 }
8183
8184 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8185 if (ret)
8186 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
8187 ret, strerror(-ret));
8188 return ret;
8189}
8190
8191
Dmitry Shmidta38abf92014-03-06 13:38:44 -08008192#ifdef CONFIG_TESTING_OPTIONS
8193static int cmd_reply_handler(struct nl_msg *msg, void *arg)
8194{
8195 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8196 struct wpabuf *buf = arg;
8197
8198 if (!buf)
8199 return NL_SKIP;
8200
8201 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
8202 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
8203 return NL_SKIP;
8204 }
8205
8206 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
8207 genlmsg_attrlen(gnlh, 0));
8208
8209 return NL_SKIP;
8210}
8211#endif /* CONFIG_TESTING_OPTIONS */
8212
8213
8214static int vendor_reply_handler(struct nl_msg *msg, void *arg)
8215{
8216 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8217 struct nlattr *nl_vendor_reply, *nl;
8218 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8219 struct wpabuf *buf = arg;
8220 int rem;
8221
8222 if (!buf)
8223 return NL_SKIP;
8224
8225 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8226 genlmsg_attrlen(gnlh, 0), NULL);
8227 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
8228
8229 if (!nl_vendor_reply)
8230 return NL_SKIP;
8231
8232 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
8233 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
8234 return NL_SKIP;
8235 }
8236
8237 nla_for_each_nested(nl, nl_vendor_reply, rem) {
8238 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
8239 }
8240
8241 return NL_SKIP;
8242}
8243
8244
8245static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
8246 unsigned int subcmd, const u8 *data,
8247 size_t data_len, struct wpabuf *buf)
8248{
8249 struct i802_bss *bss = priv;
8250 struct wpa_driver_nl80211_data *drv = bss->drv;
8251 struct nl_msg *msg;
8252 int ret;
8253
Dmitry Shmidta38abf92014-03-06 13:38:44 -08008254#ifdef CONFIG_TESTING_OPTIONS
8255 if (vendor_id == 0xffffffff) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008256 msg = nlmsg_alloc();
8257 if (!msg)
8258 return -ENOMEM;
8259
Dmitry Shmidta38abf92014-03-06 13:38:44 -08008260 nl80211_cmd(drv, msg, 0, subcmd);
8261 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
8262 0)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008263 goto fail;
Dmitry Shmidta38abf92014-03-06 13:38:44 -08008264 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
8265 if (ret)
8266 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
8267 ret);
8268 return ret;
8269 }
8270#endif /* CONFIG_TESTING_OPTIONS */
8271
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008272 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
8273 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
8274 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
8275 (data &&
8276 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
8277 goto fail;
Dmitry Shmidta38abf92014-03-06 13:38:44 -08008278
8279 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
8280 if (ret)
8281 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
8282 ret);
8283 return ret;
8284
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008285fail:
Dmitry Shmidta38abf92014-03-06 13:38:44 -08008286 nlmsg_free(msg);
8287 return -ENOBUFS;
8288}
8289
8290
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08008291static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
8292 u8 qos_map_set_len)
8293{
8294 struct i802_bss *bss = priv;
8295 struct wpa_driver_nl80211_data *drv = bss->drv;
8296 struct nl_msg *msg;
8297 int ret;
8298
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08008299 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
8300 qos_map_set, qos_map_set_len);
8301
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008302 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
8303 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
8304 nlmsg_free(msg);
8305 return -ENOBUFS;
8306 }
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08008307
8308 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8309 if (ret)
8310 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
8311
8312 return ret;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08008313}
8314
8315
Dmitry Shmidtb58836e2014-04-29 14:35:56 -07008316static int nl80211_set_wowlan(void *priv,
8317 const struct wowlan_triggers *triggers)
8318{
8319 struct i802_bss *bss = priv;
8320 struct wpa_driver_nl80211_data *drv = bss->drv;
8321 struct nl_msg *msg;
8322 struct nlattr *wowlan_triggers;
8323 int ret;
8324
Dmitry Shmidtb58836e2014-04-29 14:35:56 -07008325 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
8326
Dmitry Shmidta3dc3092015-06-23 11:21:28 -07008327 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008328 !(wowlan_triggers = nla_nest_start(msg,
8329 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
8330 (triggers->any &&
8331 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
8332 (triggers->disconnect &&
8333 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
8334 (triggers->magic_pkt &&
8335 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
8336 (triggers->gtk_rekey_failure &&
8337 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
8338 (triggers->eap_identity_req &&
8339 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
8340 (triggers->four_way_handshake &&
8341 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
8342 (triggers->rfkill_release &&
8343 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
8344 nlmsg_free(msg);
8345 return -ENOBUFS;
8346 }
Dmitry Shmidtb58836e2014-04-29 14:35:56 -07008347
8348 nla_nest_end(msg, wowlan_triggers);
8349
8350 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8351 if (ret)
8352 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
8353
8354 return ret;
Dmitry Shmidtb58836e2014-04-29 14:35:56 -07008355}
8356
8357
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08008358#ifdef CONFIG_DRIVER_NL80211_QCA
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07008359static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
8360{
8361 struct i802_bss *bss = priv;
8362 struct wpa_driver_nl80211_data *drv = bss->drv;
8363 struct nl_msg *msg;
8364 struct nlattr *params;
8365
8366 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
8367
8368 if (!drv->roaming_vendor_cmd_avail) {
8369 wpa_printf(MSG_DEBUG,
8370 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
8371 return -1;
8372 }
8373
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008374 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8375 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8376 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8377 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
8378 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8379 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
8380 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
8381 QCA_ROAMING_NOT_ALLOWED) ||
8382 (bssid &&
8383 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
8384 nlmsg_free(msg);
8385 return -1;
8386 }
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07008387 nla_nest_end(msg, params);
8388
8389 return send_and_recv_msgs(drv, msg, NULL, NULL);
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07008390}
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08008391#endif /* CONFIG_DRIVER_NL80211_QCA */
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07008392
8393
8394static int nl80211_set_mac_addr(void *priv, const u8 *addr)
8395{
8396 struct i802_bss *bss = priv;
8397 struct wpa_driver_nl80211_data *drv = bss->drv;
8398 int new_addr = addr != NULL;
8399
Dmitry Shmidt849734c2016-05-27 09:59:01 -07008400 if (TEST_FAIL())
8401 return -1;
8402
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07008403 if (!addr)
8404 addr = drv->perm_addr;
8405
8406 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
8407 return -1;
8408
8409 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
8410 {
8411 wpa_printf(MSG_DEBUG,
8412 "nl80211: failed to set_mac_addr for %s to " MACSTR,
8413 bss->ifname, MAC2STR(addr));
8414 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
8415 1) < 0) {
8416 wpa_printf(MSG_DEBUG,
8417 "nl80211: Could not restore interface UP after failed set_mac_addr");
8418 }
8419 return -1;
8420 }
8421
8422 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
8423 bss->ifname, MAC2STR(addr));
8424 drv->addr_changed = new_addr;
8425 os_memcpy(bss->addr, addr, ETH_ALEN);
8426
8427 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
8428 {
8429 wpa_printf(MSG_DEBUG,
8430 "nl80211: Could not restore interface UP after set_mac_addr");
8431 }
8432
8433 return 0;
8434}
8435
8436
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008437#ifdef CONFIG_MESH
8438
8439static int wpa_driver_nl80211_init_mesh(void *priv)
8440{
8441 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
8442 wpa_printf(MSG_INFO,
8443 "nl80211: Failed to set interface into mesh mode");
8444 return -1;
8445 }
8446 return 0;
8447}
8448
8449
Dmitry Shmidtff787d52015-01-12 13:01:47 -08008450static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
8451 size_t mesh_id_len)
8452{
8453 if (mesh_id) {
8454 wpa_hexdump_ascii(MSG_DEBUG, " * Mesh ID (SSID)",
8455 mesh_id, mesh_id_len);
8456 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
8457 }
8458
8459 return 0;
8460}
8461
8462
Dmitry Shmidtd13095b2016-08-22 14:02:19 -07008463static int nl80211_put_mesh_config(struct nl_msg *msg,
8464 struct wpa_driver_mesh_bss_params *params)
8465{
8466 struct nlattr *container;
8467
8468 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
8469 if (!container)
8470 return -1;
8471
8472 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
8473 nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8474 params->auto_plinks)) ||
8475 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
8476 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8477 params->max_peer_links)))
8478 return -1;
8479
8480 /*
8481 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
8482 * the timer could disconnect stations even in that case.
8483 */
8484 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
8485 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
8486 params->peer_link_timeout)) {
8487 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
8488 return -1;
8489 }
8490
8491 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
8492 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
8493 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
8494 return -1;
8495 }
8496
8497 nla_nest_end(msg, container);
8498
8499 return 0;
8500}
8501
8502
Dmitry Shmidt7f656022015-02-25 14:36:37 -08008503static int nl80211_join_mesh(struct i802_bss *bss,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008504 struct wpa_driver_mesh_join_params *params)
8505{
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008506 struct wpa_driver_nl80211_data *drv = bss->drv;
8507 struct nl_msg *msg;
8508 struct nlattr *container;
Dmitry Shmidt2f74e362015-01-21 13:19:05 -08008509 int ret = -1;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008510
8511 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
8512 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
Dmitry Shmidtff787d52015-01-12 13:01:47 -08008513 if (!msg ||
8514 nl80211_put_freq_params(msg, &params->freq) ||
8515 nl80211_put_basic_rates(msg, params->basic_rates) ||
8516 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07008517 nl80211_put_beacon_int(msg, params->beacon_int) ||
8518 nl80211_put_dtim_period(msg, params->dtim_period))
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008519 goto fail;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008520
8521 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
8522
8523 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
8524 if (!container)
8525 goto fail;
8526
8527 if (params->ies) {
8528 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
8529 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
8530 params->ies))
8531 goto fail;
8532 }
8533 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
8534 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
8535 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
8536 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
8537 goto fail;
8538 }
8539 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
8540 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
8541 goto fail;
8542 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
8543 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
8544 goto fail;
8545 nla_nest_end(msg, container);
8546
Dmitry Shmidtd13095b2016-08-22 14:02:19 -07008547 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
8548 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
8549 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
8550 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008551 goto fail;
8552
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008553 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8554 msg = NULL;
8555 if (ret) {
8556 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
8557 ret, strerror(-ret));
8558 goto fail;
8559 }
8560 ret = 0;
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -07008561 drv->assoc_freq = bss->freq = params->freq.freq;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008562 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
8563
8564fail:
8565 nlmsg_free(msg);
8566 return ret;
8567}
8568
8569
Dmitry Shmidt7f656022015-02-25 14:36:37 -08008570static int
8571wpa_driver_nl80211_join_mesh(void *priv,
8572 struct wpa_driver_mesh_join_params *params)
8573{
8574 struct i802_bss *bss = priv;
8575 int ret, timeout;
8576
8577 timeout = params->conf.peer_link_timeout;
8578
8579 /* Disable kernel inactivity timer */
8580 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
8581 params->conf.peer_link_timeout = 0;
8582
8583 ret = nl80211_join_mesh(bss, params);
8584 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
8585 wpa_printf(MSG_DEBUG,
8586 "nl80211: Mesh join retry for peer_link_timeout");
8587 /*
8588 * Old kernel does not support setting
8589 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
8590 * into future from peer_link_timeout.
8591 */
8592 params->conf.peer_link_timeout = timeout + 60;
8593 ret = nl80211_join_mesh(priv, params);
8594 }
8595
8596 params->conf.peer_link_timeout = timeout;
8597 return ret;
8598}
8599
8600
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008601static int wpa_driver_nl80211_leave_mesh(void *priv)
8602{
8603 struct i802_bss *bss = priv;
8604 struct wpa_driver_nl80211_data *drv = bss->drv;
8605 struct nl_msg *msg;
8606 int ret;
8607
8608 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
8609 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
8610 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8611 if (ret) {
8612 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
8613 ret, strerror(-ret));
8614 } else {
8615 wpa_printf(MSG_DEBUG,
8616 "nl80211: mesh leave request send successfully");
8617 }
8618
8619 if (wpa_driver_nl80211_set_mode(drv->first_bss,
8620 NL80211_IFTYPE_STATION)) {
8621 wpa_printf(MSG_INFO,
8622 "nl80211: Failed to set interface into station mode");
8623 }
8624 return ret;
8625}
8626
8627#endif /* CONFIG_MESH */
8628
8629
8630static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
8631 const u8 *ipaddr, int prefixlen,
8632 const u8 *addr)
8633{
8634#ifdef CONFIG_LIBNL3_ROUTE
8635 struct i802_bss *bss = priv;
8636 struct wpa_driver_nl80211_data *drv = bss->drv;
8637 struct rtnl_neigh *rn;
8638 struct nl_addr *nl_ipaddr = NULL;
8639 struct nl_addr *nl_lladdr = NULL;
8640 int family, addrsize;
8641 int res;
8642
8643 if (!ipaddr || prefixlen == 0 || !addr)
8644 return -EINVAL;
8645
8646 if (bss->br_ifindex == 0) {
8647 wpa_printf(MSG_DEBUG,
8648 "nl80211: bridge must be set before adding an ip neigh to it");
8649 return -1;
8650 }
8651
8652 if (!drv->rtnl_sk) {
8653 wpa_printf(MSG_DEBUG,
8654 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8655 return -1;
8656 }
8657
8658 if (version == 4) {
8659 family = AF_INET;
8660 addrsize = 4;
8661 } else if (version == 6) {
8662 family = AF_INET6;
8663 addrsize = 16;
8664 } else {
8665 return -EINVAL;
8666 }
8667
8668 rn = rtnl_neigh_alloc();
8669 if (rn == NULL)
8670 return -ENOMEM;
8671
8672 /* set the destination ip address for neigh */
8673 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
8674 if (nl_ipaddr == NULL) {
8675 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8676 res = -ENOMEM;
8677 goto errout;
8678 }
8679 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
8680 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8681 if (res) {
8682 wpa_printf(MSG_DEBUG,
8683 "nl80211: neigh set destination addr failed");
8684 goto errout;
8685 }
8686
8687 /* set the corresponding lladdr for neigh */
8688 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
8689 if (nl_lladdr == NULL) {
8690 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
8691 res = -ENOMEM;
8692 goto errout;
8693 }
8694 rtnl_neigh_set_lladdr(rn, nl_lladdr);
8695
8696 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8697 rtnl_neigh_set_state(rn, NUD_PERMANENT);
8698
8699 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
8700 if (res) {
8701 wpa_printf(MSG_DEBUG,
8702 "nl80211: Adding bridge ip neigh failed: %s",
8703 strerror(errno));
8704 }
8705errout:
8706 if (nl_lladdr)
8707 nl_addr_put(nl_lladdr);
8708 if (nl_ipaddr)
8709 nl_addr_put(nl_ipaddr);
8710 if (rn)
8711 rtnl_neigh_put(rn);
8712 return res;
8713#else /* CONFIG_LIBNL3_ROUTE */
8714 return -1;
8715#endif /* CONFIG_LIBNL3_ROUTE */
8716}
8717
8718
8719static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
8720 const u8 *ipaddr)
8721{
8722#ifdef CONFIG_LIBNL3_ROUTE
8723 struct i802_bss *bss = priv;
8724 struct wpa_driver_nl80211_data *drv = bss->drv;
8725 struct rtnl_neigh *rn;
8726 struct nl_addr *nl_ipaddr;
8727 int family, addrsize;
8728 int res;
8729
8730 if (!ipaddr)
8731 return -EINVAL;
8732
8733 if (version == 4) {
8734 family = AF_INET;
8735 addrsize = 4;
8736 } else if (version == 6) {
8737 family = AF_INET6;
8738 addrsize = 16;
8739 } else {
8740 return -EINVAL;
8741 }
8742
8743 if (bss->br_ifindex == 0) {
8744 wpa_printf(MSG_DEBUG,
8745 "nl80211: bridge must be set to delete an ip neigh");
8746 return -1;
8747 }
8748
8749 if (!drv->rtnl_sk) {
8750 wpa_printf(MSG_DEBUG,
8751 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8752 return -1;
8753 }
8754
8755 rn = rtnl_neigh_alloc();
8756 if (rn == NULL)
8757 return -ENOMEM;
8758
8759 /* set the destination ip address for neigh */
8760 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
8761 if (nl_ipaddr == NULL) {
8762 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8763 res = -ENOMEM;
8764 goto errout;
8765 }
8766 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8767 if (res) {
8768 wpa_printf(MSG_DEBUG,
8769 "nl80211: neigh set destination addr failed");
8770 goto errout;
8771 }
8772
8773 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8774
8775 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
8776 if (res) {
8777 wpa_printf(MSG_DEBUG,
8778 "nl80211: Deleting bridge ip neigh failed: %s",
8779 strerror(errno));
8780 }
8781errout:
8782 if (nl_ipaddr)
8783 nl_addr_put(nl_ipaddr);
8784 if (rn)
8785 rtnl_neigh_put(rn);
8786 return res;
8787#else /* CONFIG_LIBNL3_ROUTE */
8788 return -1;
8789#endif /* CONFIG_LIBNL3_ROUTE */
8790}
8791
8792
8793static int linux_write_system_file(const char *path, unsigned int val)
8794{
8795 char buf[50];
8796 int fd, len;
8797
8798 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
8799 if (os_snprintf_error(sizeof(buf), len))
8800 return -1;
8801
8802 fd = open(path, O_WRONLY);
8803 if (fd < 0)
8804 return -1;
8805
8806 if (write(fd, buf, len) < 0) {
8807 wpa_printf(MSG_DEBUG,
8808 "nl80211: Failed to write Linux system file: %s with the value of %d",
8809 path, val);
8810 close(fd);
8811 return -1;
8812 }
8813 close(fd);
8814
8815 return 0;
8816}
8817
8818
8819static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
8820{
8821 switch (attr) {
8822 case DRV_BR_PORT_ATTR_PROXYARP:
Dmitry Shmidt4dd28dc2015-03-10 11:21:43 -07008823 return "proxyarp_wifi";
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008824 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
8825 return "hairpin_mode";
8826 }
8827
8828 return NULL;
8829}
8830
8831
8832static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
8833 unsigned int val)
8834{
8835 struct i802_bss *bss = priv;
8836 char path[128];
8837 const char *attr_txt;
8838
8839 attr_txt = drv_br_port_attr_str(attr);
8840 if (attr_txt == NULL)
8841 return -EINVAL;
8842
8843 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
8844 bss->ifname, attr_txt);
8845
8846 if (linux_write_system_file(path, val))
8847 return -1;
8848
8849 return 0;
8850}
8851
8852
8853static const char * drv_br_net_param_str(enum drv_br_net_param param)
8854{
8855 switch (param) {
8856 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8857 return "arp_accept";
Dmitry Shmidt83474442015-04-15 13:47:09 -07008858 default:
8859 return NULL;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008860 }
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008861}
8862
8863
8864static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
8865 unsigned int val)
8866{
8867 struct i802_bss *bss = priv;
8868 char path[128];
8869 const char *param_txt;
8870 int ip_version = 4;
8871
Dmitry Shmidt83474442015-04-15 13:47:09 -07008872 if (param == DRV_BR_MULTICAST_SNOOPING) {
8873 os_snprintf(path, sizeof(path),
8874 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
8875 bss->brname);
8876 goto set_val;
8877 }
8878
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008879 param_txt = drv_br_net_param_str(param);
8880 if (param_txt == NULL)
8881 return -EINVAL;
8882
8883 switch (param) {
8884 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8885 ip_version = 4;
8886 break;
8887 default:
8888 return -EINVAL;
8889 }
8890
8891 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
8892 ip_version, bss->brname, param_txt);
8893
Dmitry Shmidt83474442015-04-15 13:47:09 -07008894set_val:
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008895 if (linux_write_system_file(path, val))
8896 return -1;
8897
8898 return 0;
8899}
8900
8901
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08008902#ifdef CONFIG_DRIVER_NL80211_QCA
8903
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008904static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
8905{
8906 switch (hw_mode) {
8907 case HOSTAPD_MODE_IEEE80211B:
8908 return QCA_ACS_MODE_IEEE80211B;
8909 case HOSTAPD_MODE_IEEE80211G:
8910 return QCA_ACS_MODE_IEEE80211G;
8911 case HOSTAPD_MODE_IEEE80211A:
8912 return QCA_ACS_MODE_IEEE80211A;
8913 case HOSTAPD_MODE_IEEE80211AD:
8914 return QCA_ACS_MODE_IEEE80211AD;
Dmitry Shmidtb1e52102015-05-29 12:36:29 -07008915 case HOSTAPD_MODE_IEEE80211ANY:
8916 return QCA_ACS_MODE_IEEE80211ANY;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008917 default:
8918 return -1;
8919 }
8920}
8921
8922
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08008923static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
8924{
8925 int i, len, ret;
8926 u32 *freqs;
8927
8928 if (!freq_list)
8929 return 0;
8930 len = int_array_len(freq_list);
8931 freqs = os_malloc(sizeof(u32) * len);
8932 if (!freqs)
8933 return -1;
8934 for (i = 0; i < len; i++)
8935 freqs[i] = freq_list[i];
8936 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
8937 sizeof(u32) * len, freqs);
8938 os_free(freqs);
8939 return ret;
8940}
8941
8942
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008943static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
8944{
8945 struct i802_bss *bss = priv;
8946 struct wpa_driver_nl80211_data *drv = bss->drv;
8947 struct nl_msg *msg;
8948 struct nlattr *data;
8949 int ret;
8950 int mode;
8951
8952 mode = hw_mode_to_qca_acs(params->hw_mode);
8953 if (mode < 0)
8954 return -1;
8955
8956 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8957 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8958 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8959 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
8960 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8961 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
8962 (params->ht_enabled &&
8963 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
8964 (params->ht40_enabled &&
Dmitry Shmidtdda10c22015-03-24 16:05:01 -07008965 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
8966 (params->vht_enabled &&
8967 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
8968 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
8969 params->ch_width) ||
8970 (params->ch_list_len &&
8971 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08008972 params->ch_list)) ||
8973 add_acs_freq_list(msg, params->freq_list)) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008974 nlmsg_free(msg);
8975 return -ENOBUFS;
8976 }
8977 nla_nest_end(msg, data);
8978
Dmitry Shmidtdda10c22015-03-24 16:05:01 -07008979 wpa_printf(MSG_DEBUG,
8980 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
8981 params->hw_mode, params->ht_enabled, params->ht40_enabled,
8982 params->vht_enabled, params->ch_width, params->ch_list_len);
8983
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08008984 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8985 if (ret) {
8986 wpa_printf(MSG_DEBUG,
8987 "nl80211: Failed to invoke driver ACS function: %s",
8988 strerror(errno));
8989 }
8990 return ret;
8991}
8992
8993
Ravi Joshie6ccb162015-07-16 17:45:41 -07008994static int nl80211_set_band(void *priv, enum set_band band)
8995{
8996 struct i802_bss *bss = priv;
8997 struct wpa_driver_nl80211_data *drv = bss->drv;
8998 struct nl_msg *msg;
8999 struct nlattr *data;
9000 int ret;
9001 enum qca_set_band qca_band;
9002
9003 if (!drv->setband_vendor_cmd_avail)
9004 return -1;
9005
9006 switch (band) {
9007 case WPA_SETBAND_AUTO:
9008 qca_band = QCA_SETBAND_AUTO;
9009 break;
9010 case WPA_SETBAND_5G:
9011 qca_band = QCA_SETBAND_5G;
9012 break;
9013 case WPA_SETBAND_2G:
9014 qca_band = QCA_SETBAND_2G;
9015 break;
9016 default:
9017 return -1;
9018 }
9019
9020 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9021 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9022 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9023 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
9024 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9025 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
9026 nlmsg_free(msg);
9027 return -ENOBUFS;
9028 }
9029 nla_nest_end(msg, data);
9030
9031 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9032 if (ret) {
9033 wpa_printf(MSG_DEBUG,
9034 "nl80211: Driver setband function failed: %s",
9035 strerror(errno));
9036 }
9037 return ret;
9038}
9039
9040
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08009041struct nl80211_pcl {
9042 unsigned int num;
9043 unsigned int *freq_list;
9044};
9045
9046static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
9047{
9048 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9049 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9050 struct nl80211_pcl *param = arg;
9051 struct nlattr *nl_vend, *attr;
9052 enum qca_iface_type iface_type;
9053 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
9054 unsigned int num, max_num;
9055 u32 *freqs;
9056
9057 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9058 genlmsg_attrlen(gnlh, 0), NULL);
9059
9060 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
9061 if (!nl_vend)
9062 return NL_SKIP;
9063
9064 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
9065 nla_data(nl_vend), nla_len(nl_vend), NULL);
9066
9067 attr = tb_vendor[
9068 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
9069 if (!attr) {
9070 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
9071 param->num = 0;
9072 return NL_SKIP;
9073 }
9074
9075 iface_type = (enum qca_iface_type) nla_get_u32(attr);
9076 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
9077 iface_type);
9078
9079 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
9080 if (!attr) {
9081 wpa_printf(MSG_ERROR,
9082 "nl80211: preferred_freq_list couldn't be found");
9083 param->num = 0;
9084 return NL_SKIP;
9085 }
9086
9087 /*
9088 * param->num has the maximum number of entries for which there
9089 * is room in the freq_list provided by the caller.
9090 */
9091 freqs = nla_data(attr);
9092 max_num = nla_len(attr) / sizeof(u32);
9093 if (max_num > param->num)
9094 max_num = param->num;
9095 for (num = 0; num < max_num; num++)
9096 param->freq_list[num] = freqs[num];
9097 param->num = num;
9098
9099 return NL_SKIP;
9100}
9101
9102
9103static int nl80211_get_pref_freq_list(void *priv,
9104 enum wpa_driver_if_type if_type,
9105 unsigned int *num,
9106 unsigned int *freq_list)
9107{
9108 struct i802_bss *bss = priv;
9109 struct wpa_driver_nl80211_data *drv = bss->drv;
9110 struct nl_msg *msg;
9111 int ret;
9112 unsigned int i;
9113 struct nlattr *params;
9114 struct nl80211_pcl param;
9115 enum qca_iface_type iface_type;
9116
9117 if (!drv->get_pref_freq_list)
9118 return -1;
9119
9120 switch (if_type) {
9121 case WPA_IF_STATION:
9122 iface_type = QCA_IFACE_TYPE_STA;
9123 break;
9124 case WPA_IF_AP_BSS:
9125 iface_type = QCA_IFACE_TYPE_AP;
9126 break;
9127 case WPA_IF_P2P_GO:
9128 iface_type = QCA_IFACE_TYPE_P2P_GO;
9129 break;
9130 case WPA_IF_P2P_CLIENT:
9131 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
9132 break;
9133 case WPA_IF_IBSS:
9134 iface_type = QCA_IFACE_TYPE_IBSS;
9135 break;
9136 case WPA_IF_TDLS:
9137 iface_type = QCA_IFACE_TYPE_TDLS;
9138 break;
9139 default:
9140 return -1;
9141 }
9142
9143 param.num = *num;
9144 param.freq_list = freq_list;
9145
9146 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9147 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
9148 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9149 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9150 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
9151 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9152 nla_put_u32(msg,
9153 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
9154 iface_type)) {
9155 wpa_printf(MSG_ERROR,
9156 "%s: err in adding vendor_cmd and vendor_data",
9157 __func__);
9158 nlmsg_free(msg);
9159 return -1;
9160 }
9161 nla_nest_end(msg, params);
9162
9163 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
9164 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
9165 if (ret) {
9166 wpa_printf(MSG_ERROR,
9167 "%s: err in send_and_recv_msgs", __func__);
9168 return ret;
9169 }
9170
9171 *num = param.num;
9172
9173 for (i = 0; i < *num; i++) {
9174 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
9175 i, freq_list[i]);
9176 }
9177
9178 return 0;
9179}
9180
9181
9182static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
9183{
9184 struct i802_bss *bss = priv;
9185 struct wpa_driver_nl80211_data *drv = bss->drv;
9186 struct nl_msg *msg;
9187 int ret;
9188 struct nlattr *params;
9189
9190 if (!drv->set_prob_oper_freq)
9191 return -1;
9192
9193 wpa_printf(MSG_DEBUG,
9194 "nl80211: Set P2P probable operating freq %u for ifindex %d",
9195 freq, bss->ifindex);
9196
9197 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9198 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9199 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9200 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
9201 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9202 nla_put_u32(msg,
9203 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
9204 QCA_IFACE_TYPE_P2P_CLIENT) ||
9205 nla_put_u32(msg,
9206 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
9207 freq)) {
9208 wpa_printf(MSG_ERROR,
9209 "%s: err in adding vendor_cmd and vendor_data",
9210 __func__);
9211 nlmsg_free(msg);
9212 return -1;
9213 }
9214 nla_nest_end(msg, params);
9215
9216 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9217 msg = NULL;
9218 if (ret) {
9219 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
9220 __func__);
9221 return ret;
9222 }
9223 nlmsg_free(msg);
9224 return 0;
9225}
9226
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07009227
9228static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
9229 unsigned int period, unsigned int interval,
9230 unsigned int count, const u8 *device_types,
9231 size_t dev_types_len,
9232 const u8 *ies, size_t ies_len)
9233{
9234 struct i802_bss *bss = priv;
9235 struct wpa_driver_nl80211_data *drv = bss->drv;
9236 struct nl_msg *msg;
9237 struct nlattr *container;
9238 int ret;
9239
9240 wpa_printf(MSG_DEBUG,
9241 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
9242 freq, period, interval, count);
9243
9244 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
9245 return -1;
9246
9247 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9248 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9249 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9250 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
9251 goto fail;
9252
9253 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
9254 if (!container)
9255 goto fail;
9256
9257 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
9258 freq) ||
9259 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
9260 period) ||
9261 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
9262 interval) ||
9263 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
9264 count) ||
9265 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
9266 dev_types_len, device_types) ||
9267 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
9268 ies_len, ies))
9269 goto fail;
9270
9271 nla_nest_end(msg, container);
9272 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9273 msg = NULL;
9274 if (ret) {
9275 wpa_printf(MSG_DEBUG,
9276 "nl80211: Failed to send P2P Listen offload vendor command");
9277 goto fail;
9278 }
9279
9280 return 0;
9281
9282fail:
9283 nlmsg_free(msg);
9284 return -1;
9285}
9286
9287
9288static int nl80211_p2p_lo_stop(void *priv)
9289{
9290 struct i802_bss *bss = priv;
9291 struct wpa_driver_nl80211_data *drv = bss->drv;
9292 struct nl_msg *msg;
9293
9294 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
9295
9296 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
9297 return -1;
9298
9299 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9300 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9301 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9302 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
9303 nlmsg_free(msg);
9304 return -1;
9305 }
9306
9307 return send_and_recv_msgs(drv, msg, NULL, NULL);
9308}
9309
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08009310#endif /* CONFIG_DRIVER_NL80211_QCA */
9311
9312
Dmitry Shmidt849734c2016-05-27 09:59:01 -07009313static int nl80211_write_to_file(const char *name, unsigned int val)
9314{
9315 int fd, len;
9316 char tmp[128];
9317
9318 fd = open(name, O_RDWR);
9319 if (fd < 0) {
9320 wpa_printf(MSG_ERROR, "nl80211: Failed to open %s: %s",
9321 name, strerror(errno));
9322 return fd;
9323 }
9324
9325 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
9326 len = write(fd, tmp, len);
9327 if (len < 0)
9328 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
9329 name, strerror(errno));
9330 close(fd);
9331
9332 return 0;
9333}
9334
9335
9336static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
9337{
9338 struct i802_bss *bss = priv;
9339 char path[128];
9340 int ret;
9341
9342 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
9343 filter_flags);
9344
9345 /* Configure filtering of unicast frame encrypted using GTK */
9346 ret = os_snprintf(path, sizeof(path),
9347 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
9348 bss->ifname);
9349 if (os_snprintf_error(sizeof(path), ret))
9350 return -1;
9351
9352 ret = nl80211_write_to_file(path,
9353 !!(filter_flags &
9354 WPA_DATA_FRAME_FILTER_FLAG_GTK));
9355 if (ret) {
9356 wpa_printf(MSG_ERROR,
9357 "nl80211: Failed to set IPv4 unicast in multicast filter");
9358 return ret;
9359 }
9360
9361 os_snprintf(path, sizeof(path),
9362 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
9363 bss->ifname);
9364 ret = nl80211_write_to_file(path,
9365 !!(filter_flags &
9366 WPA_DATA_FRAME_FILTER_FLAG_GTK));
9367
9368 if (ret) {
9369 wpa_printf(MSG_ERROR,
9370 "nl80211: Failed to set IPv6 unicast in multicast filter");
9371 return ret;
9372 }
9373
9374 /* Configure filtering of unicast frame encrypted using GTK */
9375 os_snprintf(path, sizeof(path),
9376 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
9377 bss->ifname);
9378 ret = nl80211_write_to_file(path,
9379 !!(filter_flags &
9380 WPA_DATA_FRAME_FILTER_FLAG_ARP));
9381 if (ret) {
9382 wpa_printf(MSG_ERROR,
9383 "nl80211: Failed set gratuitous ARP filter");
9384 return ret;
9385 }
9386
9387 /* Configure filtering of IPv6 NA frames */
9388 os_snprintf(path, sizeof(path),
9389 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
9390 bss->ifname);
9391 ret = nl80211_write_to_file(path,
9392 !!(filter_flags &
9393 WPA_DATA_FRAME_FILTER_FLAG_NA));
9394 if (ret) {
9395 wpa_printf(MSG_ERROR,
9396 "nl80211: Failed to set unsolicited NA filter");
9397 return ret;
9398 }
9399
9400 return 0;
9401}
9402
9403
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -07009404static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
9405 const u8 **ext_capa, const u8 **ext_capa_mask,
9406 unsigned int *ext_capa_len)
9407{
9408 struct i802_bss *bss = priv;
9409 struct wpa_driver_nl80211_data *drv = bss->drv;
9410 enum nl80211_iftype nlmode;
9411 unsigned int i;
9412
9413 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
9414 return -1;
9415
9416 nlmode = wpa_driver_nl80211_if_type(type);
9417
9418 /* By default, use the per-radio values */
9419 *ext_capa = drv->extended_capa;
9420 *ext_capa_mask = drv->extended_capa_mask;
9421 *ext_capa_len = drv->extended_capa_len;
9422
9423 /* Replace the default value if a per-interface type value exists */
9424 for (i = 0; i < drv->num_iface_ext_capa; i++) {
9425 if (nlmode == drv->iface_ext_capa[i].iftype) {
9426 *ext_capa = drv->iface_ext_capa[i].ext_capa;
9427 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
9428 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
9429 break;
9430 }
9431 }
9432
9433 return 0;
9434}
9435
9436
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009437const struct wpa_driver_ops wpa_driver_nl80211_ops = {
9438 .name = "nl80211",
9439 .desc = "Linux nl80211/cfg80211",
9440 .get_bssid = wpa_driver_nl80211_get_bssid,
9441 .get_ssid = wpa_driver_nl80211_get_ssid,
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08009442 .set_key = driver_nl80211_set_key,
9443 .scan2 = driver_nl80211_scan2,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08009444 .sched_scan = wpa_driver_nl80211_sched_scan,
9445 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009446 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -08009447 .abort_scan = wpa_driver_nl80211_abort_scan,
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08009448 .deauthenticate = driver_nl80211_deauthenticate,
9449 .authenticate = driver_nl80211_authenticate,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009450 .associate = wpa_driver_nl80211_associate,
9451 .global_init = nl80211_global_init,
9452 .global_deinit = nl80211_global_deinit,
9453 .init2 = wpa_driver_nl80211_init,
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08009454 .deinit = driver_nl80211_deinit,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009455 .get_capa = wpa_driver_nl80211_get_capa,
9456 .set_operstate = wpa_driver_nl80211_set_operstate,
9457 .set_supp_port = wpa_driver_nl80211_set_supp_port,
9458 .set_country = wpa_driver_nl80211_set_country,
Dmitry Shmidtcce06662013-11-04 18:44:24 -08009459 .get_country = wpa_driver_nl80211_get_country,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08009460 .set_ap = wpa_driver_nl80211_set_ap,
Dmitry Shmidt8bae4132013-06-06 11:25:10 -07009461 .set_acl = wpa_driver_nl80211_set_acl,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009462 .if_add = wpa_driver_nl80211_if_add,
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08009463 .if_remove = driver_nl80211_if_remove,
9464 .send_mlme = driver_nl80211_send_mlme,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08009465 .get_hw_feature_data = nl80211_get_hw_feature_data,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009466 .sta_add = wpa_driver_nl80211_sta_add,
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08009467 .sta_remove = driver_nl80211_sta_remove,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009468 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
9469 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009470 .hapd_init = i802_init,
9471 .hapd_deinit = i802_deinit,
Jouni Malinen75ecf522011-06-27 15:19:46 -07009472 .set_wds_sta = i802_set_wds_sta,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009473 .get_seqnum = i802_get_seqnum,
9474 .flush = i802_flush,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009475 .get_inact_sec = i802_get_inact_sec,
9476 .sta_clear_stats = i802_sta_clear_stats,
9477 .set_rts = i802_set_rts,
9478 .set_frag = i802_set_frag,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009479 .set_tx_queue_params = i802_set_tx_queue_params,
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08009480 .set_sta_vlan = driver_nl80211_set_sta_vlan,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009481 .sta_deauth = i802_sta_deauth,
9482 .sta_disassoc = i802_sta_disassoc,
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08009483 .read_sta_data = driver_nl80211_read_sta_data,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009484 .set_freq = i802_set_freq,
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08009485 .send_action = driver_nl80211_send_action,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009486 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
9487 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
9488 .cancel_remain_on_channel =
9489 wpa_driver_nl80211_cancel_remain_on_channel,
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -08009490 .probe_req_report = driver_nl80211_probe_req_report,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009491 .deinit_ap = wpa_driver_nl80211_deinit_ap,
Dmitry Shmidt04949592012-07-19 12:16:46 -07009492 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009493 .resume = wpa_driver_nl80211_resume,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009494 .signal_monitor = nl80211_signal_monitor,
9495 .signal_poll = nl80211_signal_poll,
9496 .send_frame = nl80211_send_frame,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009497 .set_param = nl80211_set_param,
9498 .get_radio_name = nl80211_get_radio_name,
Jouni Malinen75ecf522011-06-27 15:19:46 -07009499 .add_pmkid = nl80211_add_pmkid,
9500 .remove_pmkid = nl80211_remove_pmkid,
9501 .flush_pmkid = nl80211_flush_pmkid,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08009502 .set_rekey_info = nl80211_set_rekey_info,
9503 .poll_client = nl80211_poll_client,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08009504 .set_p2p_powersave = nl80211_set_p2p_powersave,
Dmitry Shmidtea69e842013-05-13 14:52:28 -07009505 .start_dfs_cac = nl80211_start_radar_detection,
9506 .stop_ap = wpa_driver_nl80211_stop_ap,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08009507#ifdef CONFIG_TDLS
9508 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
9509 .tdls_oper = nl80211_tdls_oper,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08009510 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
9511 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08009512#endif /* CONFIG_TDLS */
Dmitry Shmidt700a1372013-03-15 14:14:44 -07009513 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
Dmitry Shmidt34af3062013-07-11 10:46:32 -07009514 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07009515 .get_survey = wpa_driver_nl80211_get_survey,
Dmitry Shmidt56052862013-10-04 10:23:25 -07009516 .status = wpa_driver_nl80211_status,
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08009517 .switch_channel = nl80211_switch_channel,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08009518#ifdef ANDROID_P2P
Dmitry Shmidt6e933c12011-09-27 12:29:26 -07009519 .set_noa = wpa_driver_set_p2p_noa,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08009520 .get_noa = wpa_driver_get_p2p_noa,
Dmitry Shmidt6e933c12011-09-27 12:29:26 -07009521 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
Dmitry Shmidt292b0c32013-11-22 12:54:42 -08009522#endif /* ANDROID_P2P */
Dmitry Shmidt738a26e2011-07-07 14:22:14 -07009523#ifdef ANDROID
Dmitry Shmidt41712582015-06-29 11:02:15 -07009524#ifndef ANDROID_LIB_STUB
Dmitry Shmidt738a26e2011-07-07 14:22:14 -07009525 .driver_cmd = wpa_driver_nl80211_driver_cmd,
Dmitry Shmidt41712582015-06-29 11:02:15 -07009526#endif /* !ANDROID_LIB_STUB */
Dmitry Shmidt292b0c32013-11-22 12:54:42 -08009527#endif /* ANDROID */
Dmitry Shmidta38abf92014-03-06 13:38:44 -08009528 .vendor_cmd = nl80211_vendor_cmd,
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08009529 .set_qos_map = nl80211_set_qos_map,
Dmitry Shmidtb58836e2014-04-29 14:35:56 -07009530 .set_wowlan = nl80211_set_wowlan,
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07009531 .set_mac_addr = nl80211_set_mac_addr,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08009532#ifdef CONFIG_MESH
9533 .init_mesh = wpa_driver_nl80211_init_mesh,
9534 .join_mesh = wpa_driver_nl80211_join_mesh,
9535 .leave_mesh = wpa_driver_nl80211_leave_mesh,
9536#endif /* CONFIG_MESH */
9537 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
9538 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
9539 .br_port_set_attr = wpa_driver_br_port_set_attr,
9540 .br_set_net_param = wpa_driver_br_set_net_param,
9541 .add_tx_ts = nl80211_add_ts,
9542 .del_tx_ts = nl80211_del_ts,
Dmitry Shmidte4663042016-04-04 10:07:49 -07009543 .get_ifindex = nl80211_get_ifindex,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08009544#ifdef CONFIG_DRIVER_NL80211_QCA
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07009545 .roaming = nl80211_roaming,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08009546 .do_acs = wpa_driver_do_acs,
Ravi Joshie6ccb162015-07-16 17:45:41 -07009547 .set_band = nl80211_set_band,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08009548 .get_pref_freq_list = nl80211_get_pref_freq_list,
9549 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
Dmitry Shmidt58d12ad2016-07-28 10:07:03 -07009550 .p2p_lo_start = nl80211_p2p_lo_start,
9551 .p2p_lo_stop = nl80211_p2p_lo_stop,
Dmitry Shmidt7f2c7532016-08-15 09:48:12 -07009552 .set_default_scan_ies = nl80211_set_default_scan_ies,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08009553#endif /* CONFIG_DRIVER_NL80211_QCA */
Dmitry Shmidt849734c2016-05-27 09:59:01 -07009554 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -07009555 .get_ext_capab = nl80211_get_ext_capab,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07009556};