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gerrit.omnirom.org / android_external_wpa_supplicant_8 / 6c0da2bb83f6915d8260912362692d1a742e057b / . / src / drivers / driver_nl80211.h
blob: 6892b318fc05fe344bf0305333c1aae9840ef562 [file] [log] [blame]
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800[diff] [blame^]1/*
2 * Driver interaction with Linux nl80211/cfg80211 - definitions
3 * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
4 * 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 *
9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
11 */
12
13#ifndef DRIVER_NL80211_H
14#define DRIVER_NL80211_H
15
16#include "nl80211_copy.h"
17#include "utils/list.h"
18#include "driver.h"
19
20#ifdef CONFIG_LIBNL20
21/* libnl 2.0 compatibility code */
22#define nl_handle nl_sock
23#define nl80211_handle_alloc nl_socket_alloc_cb
24#define nl80211_handle_destroy nl_socket_free
25#endif /* CONFIG_LIBNL20 */
26
27struct nl80211_global {
28 struct dl_list interfaces;
29 int if_add_ifindex;
30 u64 if_add_wdevid;
31 int if_add_wdevid_set;
32 struct netlink_data *netlink;
33 struct nl_cb *nl_cb;
34 struct nl_handle *nl;
35 int nl80211_id;
36 int ioctl_sock; /* socket for ioctl() use */
37
38 struct nl_handle *nl_event;
39};
40
41struct nl80211_wiphy_data {
42 struct dl_list list;
43 struct dl_list bsss;
44 struct dl_list drvs;
45
46 struct nl_handle *nl_beacons;
47 struct nl_cb *nl_cb;
48
49 int wiphy_idx;
50};
51
52struct i802_bss {
53 struct wpa_driver_nl80211_data *drv;
54 struct i802_bss *next;
55 int ifindex;
56 int br_ifindex;
57 u64 wdev_id;
58 char ifname[IFNAMSIZ + 1];
59 char brname[IFNAMSIZ];
60 unsigned int beacon_set:1;
61 unsigned int added_if_into_bridge:1;
62 unsigned int added_bridge:1;
63 unsigned int in_deinit:1;
64 unsigned int wdev_id_set:1;
65 unsigned int added_if:1;
66 unsigned int static_ap:1;
67
68 u8 addr[ETH_ALEN];
69
70 int freq;
71 int bandwidth;
72 int if_dynamic;
73
74 void *ctx;
75 struct nl_handle *nl_preq, *nl_mgmt;
76 struct nl_cb *nl_cb;
77
78 struct nl80211_wiphy_data *wiphy_data;
79 struct dl_list wiphy_list;
80};
81
82struct wpa_driver_nl80211_data {
83 struct nl80211_global *global;
84 struct dl_list list;
85 struct dl_list wiphy_list;
86 char phyname[32];
87 u8 perm_addr[ETH_ALEN];
88 void *ctx;
89 int ifindex;
90 int if_removed;
91 int if_disabled;
92 int ignore_if_down_event;
93 struct rfkill_data *rfkill;
94 struct wpa_driver_capa capa;
95 u8 *extended_capa, *extended_capa_mask;
96 unsigned int extended_capa_len;
97 int has_capability;
98
99 int operstate;
100
101 int scan_complete_events;
102 enum scan_states {
103 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED,
104 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED,
105 SCHED_SCAN_RESULTS
106 } scan_state;
107
108 u8 auth_bssid[ETH_ALEN];
109 u8 auth_attempt_bssid[ETH_ALEN];
110 u8 bssid[ETH_ALEN];
111 u8 prev_bssid[ETH_ALEN];
112 int associated;
113 u8 ssid[32];
114 size_t ssid_len;
115 enum nl80211_iftype nlmode;
116 enum nl80211_iftype ap_scan_as_station;
117 unsigned int assoc_freq;
118
119 int monitor_sock;
120 int monitor_ifidx;
121 int monitor_refcount;
122
123 unsigned int disabled_11b_rates:1;
124 unsigned int pending_remain_on_chan:1;
125 unsigned int in_interface_list:1;
126 unsigned int device_ap_sme:1;
127 unsigned int poll_command_supported:1;
128 unsigned int data_tx_status:1;
129 unsigned int scan_for_auth:1;
130 unsigned int retry_auth:1;
131 unsigned int use_monitor:1;
132 unsigned int ignore_next_local_disconnect:1;
133 unsigned int ignore_next_local_deauth:1;
134 unsigned int hostapd:1;
135 unsigned int start_mode_ap:1;
136 unsigned int start_iface_up:1;
137 unsigned int test_use_roc_tx:1;
138 unsigned int ignore_deauth_event:1;
139 unsigned int roaming_vendor_cmd_avail:1;
140 unsigned int dfs_vendor_cmd_avail:1;
141 unsigned int have_low_prio_scan:1;
142 unsigned int force_connect_cmd:1;
143 unsigned int addr_changed:1;
144 unsigned int get_features_vendor_cmd_avail:1;
145
146 u64 remain_on_chan_cookie;
147 u64 send_action_cookie;
148
149 unsigned int last_mgmt_freq;
150
151 struct wpa_driver_scan_filter *filter_ssids;
152 size_t num_filter_ssids;
153
154 struct i802_bss *first_bss;
155
156 int eapol_tx_sock;
157
158 int eapol_sock; /* socket for EAPOL frames */
159
160 struct nl_handle *rtnl_sk; /* nl_sock for NETLINK_ROUTE */
161
162 int default_if_indices[16];
163 int *if_indices;
164 int num_if_indices;
165
166 /* From failed authentication command */
167 int auth_freq;
168 u8 auth_bssid_[ETH_ALEN];
169 u8 auth_ssid[32];
170 size_t auth_ssid_len;
171 int auth_alg;
172 u8 *auth_ie;
173 size_t auth_ie_len;
174 u8 auth_wep_key[4][16];
175 size_t auth_wep_key_len[4];
176 int auth_wep_tx_keyidx;
177 int auth_local_state_change;
178 int auth_p2p;
179};
180
181struct nl_msg;
182
183void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
184 struct nl_msg *msg, int flags, uint8_t cmd);
185struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd);
186struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
187 uint8_t cmd);
188struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd);
189int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg,
190 int (*valid_handler)(struct nl_msg *, void *),
191 void *valid_data);
192int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
193 const char *ifname, enum nl80211_iftype iftype,
194 const u8 *addr, int wds,
195 int (*handler)(struct nl_msg *, void *),
196 void *arg, int use_existing);
197void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx);
198unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv);
199enum chan_width convert2width(int width);
200void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv);
201struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
202 int ifindex);
203int is_ap_interface(enum nl80211_iftype nlmode);
204int is_sta_interface(enum nl80211_iftype nlmode);
205int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv);
206int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
207 struct wpa_signal_info *sig);
208int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
209 struct wpa_signal_info *sig_change);
210int nl80211_get_wiphy_index(struct i802_bss *bss);
211int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
212 enum nl80211_iftype nlmode);
213int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
214 const u8 *addr, int cmd, u16 reason_code,
215 int local_state_change);
216
217int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv);
218void nl80211_remove_monitor_interface(struct wpa_driver_nl80211_data *drv);
219int nl80211_send_monitor(struct wpa_driver_nl80211_data *drv,
220 const void *data, size_t len,
221 int encrypt, int noack);
222
223int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv);
224struct hostapd_hw_modes *
225nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags);
226
227int process_global_event(struct nl_msg *msg, void *arg);
228int process_bss_event(struct nl_msg *msg, void *arg);
229
230#ifdef ANDROID
231int android_nl_socket_set_nonblocking(struct nl_handle *handle);
232int android_genl_ctrl_resolve(struct nl_handle *handle, const char *name);
233int android_pno_start(struct i802_bss *bss,
234 struct wpa_driver_scan_params *params);
235int android_pno_stop(struct i802_bss *bss);
236extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf,
237 size_t buf_len);
238
239#ifdef ANDROID_P2P
240int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration);
241int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len);
242int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow);
243int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon,
244 const struct wpabuf *proberesp,
245 const struct wpabuf *assocresp);
246#endif /* ANDROID_P2P */
247#endif /* ANDROID */
248
249
250/* driver_nl80211_scan.c */
251
252struct nl80211_bss_info_arg {
253 struct wpa_driver_nl80211_data *drv;
254 struct wpa_scan_results *res;
255 unsigned int assoc_freq;
256 unsigned int ibss_freq;
257 u8 assoc_bssid[ETH_ALEN];
258};
259
260int bss_info_handler(struct nl_msg *msg, void *arg);
261void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx);
262int wpa_driver_nl80211_scan(struct i802_bss *bss,
263 struct wpa_driver_scan_params *params);
264int wpa_driver_nl80211_sched_scan(void *priv,
265 struct wpa_driver_scan_params *params,
266 u32 interval);
267int wpa_driver_nl80211_stop_sched_scan(void *priv);
268struct wpa_scan_results * wpa_driver_nl80211_get_scan_results(void *priv);
269void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv);
270
271#endif /* DRIVER_NL80211_H */