wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/drivers/driver_atheros.c b/src/drivers/driver_atheros.c
new file mode 100644
index 0000000..6ac1cea
--- /dev/null
+++ b/src/drivers/driver_atheros.c
@@ -0,0 +1,1381 @@
+/*
+ * hostapd / Driver interaction with Atheros driver
+ * Copyright (c) 2004, Sam Leffler <sam@errno.com>
+ * Copyright (c) 2004, Video54 Technologies
+ * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2009, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+#include <net/if.h>
+#include <sys/ioctl.h>
+
+#include "common.h"
+#ifndef _BYTE_ORDER
+#ifdef WORDS_BIGENDIAN
+#define _BYTE_ORDER _BIG_ENDIAN
+#else
+#define _BYTE_ORDER _LITTLE_ENDIAN
+#endif
+#endif /* _BYTE_ORDER */
+
+/*
+ * Note, the ATH_WPS_IE setting must match with the driver build.. If the
+ * driver does not include this, the IEEE80211_IOCTL_GETWPAIE ioctl will fail.
+ */
+#define ATH_WPS_IE
+
+#include "os/linux/include/ieee80211_external.h"
+
+
+#ifdef CONFIG_WPS
+#include <netpacket/packet.h>
+
+#ifndef ETH_P_80211_RAW
+#define ETH_P_80211_RAW 0x0019
+#endif
+#endif /* CONFIG_WPS */
+
+#include "wireless_copy.h"
+
+#include "driver.h"
+#include "eloop.h"
+#include "priv_netlink.h"
+#include "l2_packet/l2_packet.h"
+#include "common/ieee802_11_defs.h"
+#include "netlink.h"
+#include "linux_ioctl.h"
+
+
+struct atheros_driver_data {
+ struct hostapd_data *hapd; /* back pointer */
+
+ char iface[IFNAMSIZ + 1];
+ int ifindex;
+ struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
+ struct l2_packet_data *sock_recv; /* raw packet recv socket */
+ int ioctl_sock; /* socket for ioctl() use */
+ struct netlink_data *netlink;
+ int we_version;
+ u8 acct_mac[ETH_ALEN];
+ struct hostap_sta_driver_data acct_data;
+
+ struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
+ struct wpabuf *wpa_ie;
+ struct wpabuf *wps_beacon_ie;
+ struct wpabuf *wps_probe_resp_ie;
+};
+
+static int atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
+ int reason_code);
+static int atheros_set_privacy(void *priv, int enabled);
+
+static const char * athr_get_ioctl_name(int op)
+{
+ switch (op) {
+ case IEEE80211_IOCTL_SETPARAM:
+ return "SETPARAM";
+ case IEEE80211_IOCTL_GETPARAM:
+ return "GETPARAM";
+ case IEEE80211_IOCTL_SETKEY:
+ return "SETKEY";
+ case IEEE80211_IOCTL_SETWMMPARAMS:
+ return "SETWMMPARAMS";
+ case IEEE80211_IOCTL_DELKEY:
+ return "DELKEY";
+ case IEEE80211_IOCTL_GETWMMPARAMS:
+ return "GETWMMPARAMS";
+ case IEEE80211_IOCTL_SETMLME:
+ return "SETMLME";
+ case IEEE80211_IOCTL_GETCHANINFO:
+ return "GETCHANINFO";
+ case IEEE80211_IOCTL_SETOPTIE:
+ return "SETOPTIE";
+ case IEEE80211_IOCTL_GETOPTIE:
+ return "GETOPTIE";
+ case IEEE80211_IOCTL_ADDMAC:
+ return "ADDMAC";
+ case IEEE80211_IOCTL_DELMAC:
+ return "DELMAC";
+ case IEEE80211_IOCTL_GETCHANLIST:
+ return "GETCHANLIST";
+ case IEEE80211_IOCTL_SETCHANLIST:
+ return "SETCHANLIST";
+ case IEEE80211_IOCTL_KICKMAC:
+ return "KICKMAC";
+ case IEEE80211_IOCTL_CHANSWITCH:
+ return "CHANSWITCH";
+ case IEEE80211_IOCTL_GETMODE:
+ return "GETMODE";
+ case IEEE80211_IOCTL_SETMODE:
+ return "SETMODE";
+ case IEEE80211_IOCTL_GET_APPIEBUF:
+ return "GET_APPIEBUF";
+ case IEEE80211_IOCTL_SET_APPIEBUF:
+ return "SET_APPIEBUF";
+ case IEEE80211_IOCTL_SET_ACPARAMS:
+ return "SET_ACPARAMS";
+ case IEEE80211_IOCTL_FILTERFRAME:
+ return "FILTERFRAME";
+ case IEEE80211_IOCTL_SET_RTPARAMS:
+ return "SET_RTPARAMS";
+ case IEEE80211_IOCTL_SET_MEDENYENTRY:
+ return "SET_MEDENYENTRY";
+ case IEEE80211_IOCTL_GET_MACADDR:
+ return "GET_MACADDR";
+ case IEEE80211_IOCTL_SET_HBRPARAMS:
+ return "SET_HBRPARAMS";
+ case IEEE80211_IOCTL_SET_RXTIMEOUT:
+ return "SET_RXTIMEOUT";
+ case IEEE80211_IOCTL_STA_STATS:
+ return "STA_STATS";
+ case IEEE80211_IOCTL_GETWPAIE:
+ return "GETWPAIE";
+ default:
+ return "??";
+ }
+}
+
+
+static const char * athr_get_param_name(int op)
+{
+ switch (op) {
+ case IEEE80211_IOC_MCASTCIPHER:
+ return "MCASTCIPHER";
+ case IEEE80211_PARAM_MCASTKEYLEN:
+ return "MCASTKEYLEN";
+ case IEEE80211_PARAM_UCASTCIPHERS:
+ return "UCASTCIPHERS";
+ case IEEE80211_PARAM_KEYMGTALGS:
+ return "KEYMGTALGS";
+ case IEEE80211_PARAM_RSNCAPS:
+ return "RSNCAPS";
+ case IEEE80211_PARAM_WPA:
+ return "WPA";
+ case IEEE80211_PARAM_AUTHMODE:
+ return "AUTHMODE";
+ case IEEE80211_PARAM_PRIVACY:
+ return "PRIVACY";
+ case IEEE80211_PARAM_COUNTERMEASURES:
+ return "COUNTERMEASURES";
+ default:
+ return "??";
+ }
+}
+
+
+static int
+set80211priv(struct atheros_driver_data *drv, int op, void *data, int len)
+{
+ struct iwreq iwr;
+ int do_inline = len < IFNAMSIZ;
+
+ /* Certain ioctls must use the non-inlined method */
+ if (op == IEEE80211_IOCTL_SET_APPIEBUF ||
+ op == IEEE80211_IOCTL_FILTERFRAME)
+ do_inline = 0;
+
+ memset(&iwr, 0, sizeof(iwr));
+ os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+ if (do_inline) {
+ /*
+ * Argument data fits inline; put it there.
+ */
+ memcpy(iwr.u.name, data, len);
+ } else {
+ /*
+ * Argument data too big for inline transfer; setup a
+ * parameter block instead; the kernel will transfer
+ * the data for the driver.
+ */
+ iwr.u.data.pointer = data;
+ iwr.u.data.length = len;
+ }
+
+ if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
+ wpa_printf(MSG_DEBUG, "atheros: %s: %s: ioctl op=0x%x "
+ "(%s) len=%d failed: %d (%s)",
+ __func__, drv->iface, op,
+ athr_get_ioctl_name(op),
+ len, errno, strerror(errno));
+ return -1;
+ }
+ return 0;
+}
+
+static int
+set80211param(struct atheros_driver_data *drv, int op, int arg)
+{
+ struct iwreq iwr;
+
+ memset(&iwr, 0, sizeof(iwr));
+ os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+ iwr.u.mode = op;
+ memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
+
+ if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
+ perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
+ wpa_printf(MSG_DEBUG, "%s: %s: Failed to set parameter (op %d "
+ "(%s) arg %d)", __func__, drv->iface, op,
+ athr_get_param_name(op), arg);
+ return -1;
+ }
+ return 0;
+}
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+static const char *
+ether_sprintf(const u8 *addr)
+{
+ static char buf[sizeof(MACSTR)];
+
+ if (addr != NULL)
+ snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
+ else
+ snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
+ return buf;
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+/*
+ * Configure WPA parameters.
+ */
+static int
+atheros_configure_wpa(struct atheros_driver_data *drv,
+ struct wpa_bss_params *params)
+{
+ int v;
+
+ switch (params->wpa_group) {
+ case WPA_CIPHER_CCMP:
+ v = IEEE80211_CIPHER_AES_CCM;
+ break;
+ case WPA_CIPHER_TKIP:
+ v = IEEE80211_CIPHER_TKIP;
+ break;
+ case WPA_CIPHER_WEP104:
+ v = IEEE80211_CIPHER_WEP;
+ break;
+ case WPA_CIPHER_WEP40:
+ v = IEEE80211_CIPHER_WEP;
+ break;
+ case WPA_CIPHER_NONE:
+ v = IEEE80211_CIPHER_NONE;
+ break;
+ default:
+ wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
+ params->wpa_group);
+ return -1;
+ }
+ wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
+ if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
+ printf("Unable to set group key cipher to %u\n", v);
+ return -1;
+ }
+ if (v == IEEE80211_CIPHER_WEP) {
+ /* key length is done only for specific ciphers */
+ v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
+ if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
+ printf("Unable to set group key length to %u\n", v);
+ return -1;
+ }
+ }
+
+ v = 0;
+ if (params->wpa_pairwise & WPA_CIPHER_CCMP)
+ v |= 1<<IEEE80211_CIPHER_AES_CCM;
+ if (params->wpa_pairwise & WPA_CIPHER_TKIP)
+ v |= 1<<IEEE80211_CIPHER_TKIP;
+ if (params->wpa_pairwise & WPA_CIPHER_NONE)
+ v |= 1<<IEEE80211_CIPHER_NONE;
+ wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
+ if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
+ printf("Unable to set pairwise key ciphers to 0x%x\n", v);
+ return -1;
+ }
+
+ wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
+ __func__, params->wpa_key_mgmt);
+ if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
+ params->wpa_key_mgmt)) {
+ printf("Unable to set key management algorithms to 0x%x\n",
+ params->wpa_key_mgmt);
+ return -1;
+ }
+
+ v = 0;
+ if (params->rsn_preauth)
+ v |= BIT(0);
+#ifdef CONFIG_IEEE80211W
+ if (params->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
+ v |= BIT(7);
+ if (params->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED)
+ v |= BIT(6);
+ }
+#endif /* CONFIG_IEEE80211W */
+
+ wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
+ __func__, params->rsn_preauth);
+ if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
+ printf("Unable to set RSN capabilities to 0x%x\n", v);
+ return -1;
+ }
+
+ wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
+ if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
+ printf("Unable to set WPA to %u\n", params->wpa);
+ return -1;
+ }
+ return 0;
+}
+
+static int
+atheros_set_ieee8021x(void *priv, struct wpa_bss_params *params)
+{
+ struct atheros_driver_data *drv = priv;
+
+ wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
+
+ if (!params->enabled) {
+ /* XXX restore state */
+ if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
+ IEEE80211_AUTH_AUTO) < 0)
+ return -1;
+ /* IEEE80211_AUTH_AUTO ends up enabling Privacy; clear that */
+ return atheros_set_privacy(drv, 0);
+ }
+ if (!params->wpa && !params->ieee802_1x) {
+ hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
+ HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
+ return -1;
+ }
+ if (params->wpa && atheros_configure_wpa(drv, params) != 0) {
+ hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
+ HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
+ return -1;
+ }
+ if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
+ (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
+ hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
+ HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+atheros_set_privacy(void *priv, int enabled)
+{
+ struct atheros_driver_data *drv = priv;
+
+ wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
+
+ return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
+}
+
+static int
+atheros_set_sta_authorized(void *priv, const u8 *addr, int authorized)
+{
+ struct atheros_driver_data *drv = priv;
+ struct ieee80211req_mlme mlme;
+ int ret;
+
+ wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
+ __func__, ether_sprintf(addr), authorized);
+
+ if (authorized)
+ mlme.im_op = IEEE80211_MLME_AUTHORIZE;
+ else
+ mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
+ mlme.im_reason = 0;
+ memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+ ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
+ if (ret < 0) {
+ wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
+ __func__, authorized ? "" : "un", MAC2STR(addr));
+ }
+
+ return ret;
+}
+
+static int
+atheros_sta_set_flags(void *priv, const u8 *addr,
+ int total_flags, int flags_or, int flags_and)
+{
+ /* For now, only support setting Authorized flag */
+ if (flags_or & WPA_STA_AUTHORIZED)
+ return atheros_set_sta_authorized(priv, addr, 1);
+ if (!(flags_and & WPA_STA_AUTHORIZED))
+ return atheros_set_sta_authorized(priv, addr, 0);
+ return 0;
+}
+
+static int
+atheros_del_key(void *priv, const u8 *addr, int key_idx)
+{
+ struct atheros_driver_data *drv = priv;
+ struct ieee80211req_del_key wk;
+ int ret;
+
+ wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
+ __func__, ether_sprintf(addr), key_idx);
+
+ memset(&wk, 0, sizeof(wk));
+ if (addr != NULL) {
+ memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
+ wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
+ } else {
+ wk.idk_keyix = key_idx;
+ }
+
+ ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
+ if (ret < 0) {
+ wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
+ " key_idx %d)", __func__, ether_sprintf(addr),
+ key_idx);
+ }
+
+ return ret;
+}
+
+static int
+atheros_set_key(const char *ifname, void *priv, enum wpa_alg alg,
+ const u8 *addr, int key_idx, int set_tx, const u8 *seq,
+ size_t seq_len, const u8 *key, size_t key_len)
+{
+ struct atheros_driver_data *drv = priv;
+ struct ieee80211req_key wk;
+ u_int8_t cipher;
+ int ret;
+
+ if (alg == WPA_ALG_NONE)
+ return atheros_del_key(drv, addr, key_idx);
+
+ wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
+ __func__, alg, ether_sprintf(addr), key_idx);
+
+ switch (alg) {
+ case WPA_ALG_WEP:
+ cipher = IEEE80211_CIPHER_WEP;
+ break;
+ case WPA_ALG_TKIP:
+ cipher = IEEE80211_CIPHER_TKIP;
+ break;
+ case WPA_ALG_CCMP:
+ cipher = IEEE80211_CIPHER_AES_CCM;
+ break;
+#ifdef CONFIG_IEEE80211W
+ case WPA_ALG_IGTK:
+ cipher = IEEE80211_CIPHER_AES_CMAC;
+ break;
+#endif /* CONFIG_IEEE80211W */
+ default:
+ printf("%s: unknown/unsupported algorithm %d\n",
+ __func__, alg);
+ return -1;
+ }
+
+ if (key_len > sizeof(wk.ik_keydata)) {
+ printf("%s: key length %lu too big\n", __func__,
+ (unsigned long) key_len);
+ return -3;
+ }
+
+ memset(&wk, 0, sizeof(wk));
+ wk.ik_type = cipher;
+ wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
+ if (addr == NULL || is_broadcast_ether_addr(addr)) {
+ memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+ wk.ik_keyix = key_idx;
+ if (set_tx)
+ wk.ik_flags |= IEEE80211_KEY_DEFAULT;
+ } else {
+ memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+ wk.ik_keyix = IEEE80211_KEYIX_NONE;
+ }
+ wk.ik_keylen = key_len;
+ memcpy(wk.ik_keydata, key, key_len);
+
+ ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
+ if (ret < 0) {
+ wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
+ " key_idx %d alg %d key_len %lu set_tx %d)",
+ __func__, ether_sprintf(wk.ik_macaddr), key_idx,
+ alg, (unsigned long) key_len, set_tx);
+ }
+
+ return ret;
+}
+
+
+static int
+atheros_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
+ u8 *seq)
+{
+ struct atheros_driver_data *drv = priv;
+ struct ieee80211req_key wk;
+
+ wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
+ __func__, ether_sprintf(addr), idx);
+
+ memset(&wk, 0, sizeof(wk));
+ if (addr == NULL)
+ memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+ else
+ memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+ wk.ik_keyix = idx;
+
+ if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
+ wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
+ "(addr " MACSTR " key_idx %d)",
+ __func__, MAC2STR(wk.ik_macaddr), idx);
+ return -1;
+ }
+
+#ifdef WORDS_BIGENDIAN
+ {
+ /*
+ * wk.ik_keytsc is in host byte order (big endian), need to
+ * swap it to match with the byte order used in WPA.
+ */
+ int i;
+#ifndef WPA_KEY_RSC_LEN
+#define WPA_KEY_RSC_LEN 8
+#endif
+ u8 tmp[WPA_KEY_RSC_LEN];
+ memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+ for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
+ seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
+ }
+ }
+#else /* WORDS_BIGENDIAN */
+ memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+#endif /* WORDS_BIGENDIAN */
+ return 0;
+}
+
+
+static int
+atheros_flush(void *priv)
+{
+ u8 allsta[IEEE80211_ADDR_LEN];
+ memset(allsta, 0xff, IEEE80211_ADDR_LEN);
+ return atheros_sta_deauth(priv, NULL, allsta,
+ IEEE80211_REASON_AUTH_LEAVE);
+}
+
+
+static int
+atheros_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
+ const u8 *addr)
+{
+ struct atheros_driver_data *drv = priv;
+ struct ieee80211req_sta_stats stats;
+
+ memset(data, 0, sizeof(*data));
+
+ /*
+ * Fetch statistics for station from the system.
+ */
+ memset(&stats, 0, sizeof(stats));
+ memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
+ if (set80211priv(drv, IEEE80211_IOCTL_STA_STATS,
+ &stats, sizeof(stats))) {
+ wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
+ MACSTR ")", __func__, MAC2STR(addr));
+ if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
+ memcpy(data, &drv->acct_data, sizeof(*data));
+ return 0;
+ }
+
+ printf("Failed to get station stats information element.\n");
+ return -1;
+ }
+
+ data->rx_packets = stats.is_stats.ns_rx_data;
+ data->rx_bytes = stats.is_stats.ns_rx_bytes;
+ data->tx_packets = stats.is_stats.ns_tx_data;
+ data->tx_bytes = stats.is_stats.ns_tx_bytes;
+ return 0;
+}
+
+
+static int
+atheros_sta_clear_stats(void *priv, const u8 *addr)
+{
+ struct atheros_driver_data *drv = priv;
+ struct ieee80211req_mlme mlme;
+ int ret;
+
+ wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
+
+ mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
+ memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+ ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
+ sizeof(mlme));
+ if (ret < 0) {
+ wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
+ MACSTR ")", __func__, MAC2STR(addr));
+ }
+
+ return ret;
+}
+
+
+static int
+atheros_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
+{
+ struct atheros_driver_data *drv = priv;
+ u8 buf[512];
+ struct ieee80211req_getset_appiebuf *app_ie;
+
+ wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
+ (unsigned long) ie_len);
+
+ wpabuf_free(drv->wpa_ie);
+ drv->wpa_ie = wpabuf_alloc_copy(ie, ie_len);
+
+ app_ie = (struct ieee80211req_getset_appiebuf *) buf;
+ os_memcpy(&(app_ie->app_buf[0]), ie, ie_len);
+ app_ie->app_buflen = ie_len;
+
+ app_ie->app_frmtype = IEEE80211_APPIE_FRAME_BEACON;
+
+ /* append WPS IE for Beacon */
+ if (drv->wps_beacon_ie != NULL) {
+ os_memcpy(&(app_ie->app_buf[ie_len]),
+ wpabuf_head(drv->wps_beacon_ie),
+ wpabuf_len(drv->wps_beacon_ie));
+ app_ie->app_buflen = ie_len + wpabuf_len(drv->wps_beacon_ie);
+ }
+ set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
+ sizeof(struct ieee80211req_getset_appiebuf) +
+ app_ie->app_buflen);
+
+ /* append WPS IE for Probe Response */
+ app_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_RESP;
+ if (drv->wps_probe_resp_ie != NULL) {
+ os_memcpy(&(app_ie->app_buf[ie_len]),
+ wpabuf_head(drv->wps_probe_resp_ie),
+ wpabuf_len(drv->wps_probe_resp_ie));
+ app_ie->app_buflen = ie_len +
+ wpabuf_len(drv->wps_probe_resp_ie);
+ } else
+ app_ie->app_buflen = ie_len;
+ set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
+ sizeof(struct ieee80211req_getset_appiebuf) +
+ app_ie->app_buflen);
+ return 0;
+}
+
+static int
+atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
+ int reason_code)
+{
+ struct atheros_driver_data *drv = priv;
+ struct ieee80211req_mlme mlme;
+ int ret;
+
+ wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
+ __func__, ether_sprintf(addr), reason_code);
+
+ mlme.im_op = IEEE80211_MLME_DEAUTH;
+ mlme.im_reason = reason_code;
+ memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+ ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
+ if (ret < 0) {
+ wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
+ " reason %d)",
+ __func__, MAC2STR(addr), reason_code);
+ }
+
+ return ret;
+}
+
+static int
+atheros_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
+ int reason_code)
+{
+ struct atheros_driver_data *drv = priv;
+ struct ieee80211req_mlme mlme;
+ int ret;
+
+ wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
+ __func__, ether_sprintf(addr), reason_code);
+
+ mlme.im_op = IEEE80211_MLME_DISASSOC;
+ mlme.im_reason = reason_code;
+ memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+ ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
+ if (ret < 0) {
+ wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
+ MACSTR " reason %d)",
+ __func__, MAC2STR(addr), reason_code);
+ }
+
+ return ret;
+}
+
+#ifdef CONFIG_WPS
+static void atheros_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
+ size_t len)
+{
+ struct atheros_driver_data *drv = ctx;
+ const struct ieee80211_mgmt *mgmt;
+ u16 fc;
+ union wpa_event_data event;
+
+ /* Send Probe Request information to WPS processing */
+
+ if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
+ return;
+ mgmt = (const struct ieee80211_mgmt *) buf;
+
+ fc = le_to_host16(mgmt->frame_control);
+ if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
+ WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ)
+ return;
+
+ os_memset(&event, 0, sizeof(event));
+ event.rx_probe_req.sa = mgmt->sa;
+ event.rx_probe_req.ie = mgmt->u.probe_req.variable;
+ event.rx_probe_req.ie_len =
+ len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
+ wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
+}
+#endif /* CONFIG_WPS */
+
+static int atheros_receive_probe_req(struct atheros_driver_data *drv)
+{
+ int ret = 0;
+#ifdef CONFIG_WPS
+ struct ieee80211req_set_filter filt;
+
+ wpa_printf(MSG_DEBUG, "%s Enter", __func__);
+ filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ;
+
+ ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
+ sizeof(struct ieee80211req_set_filter));
+ if (ret)
+ return ret;
+
+ drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
+ atheros_raw_receive, drv, 1);
+ if (drv->sock_raw == NULL)
+ return -1;
+#endif /* CONFIG_WPS */
+ return ret;
+}
+
+#ifdef CONFIG_WPS
+static int
+atheros_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
+{
+ struct atheros_driver_data *drv = priv;
+ u8 buf[512];
+ struct ieee80211req_getset_appiebuf *beac_ie;
+
+ wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
+ (unsigned long) len);
+
+ beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
+ beac_ie->app_frmtype = frametype;
+ beac_ie->app_buflen = len;
+ os_memcpy(&(beac_ie->app_buf[0]), ie, len);
+
+ /* append the WPA/RSN IE if it is set already */
+ if (((frametype == IEEE80211_APPIE_FRAME_BEACON) ||
+ (frametype == IEEE80211_APPIE_FRAME_PROBE_RESP)) &&
+ (drv->wpa_ie != NULL)) {
+ os_memcpy(&(beac_ie->app_buf[len]), wpabuf_head(drv->wpa_ie),
+ wpabuf_len(drv->wpa_ie));
+ beac_ie->app_buflen += wpabuf_len(drv->wpa_ie);
+ }
+
+ return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
+ sizeof(struct ieee80211req_getset_appiebuf) +
+ beac_ie->app_buflen);
+}
+
+static int
+atheros_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
+ const struct wpabuf *proberesp,
+ const struct wpabuf *assocresp)
+{
+ struct atheros_driver_data *drv = priv;
+
+ wpabuf_free(drv->wps_beacon_ie);
+ drv->wps_beacon_ie = beacon ? wpabuf_dup(beacon) : NULL;
+ wpabuf_free(drv->wps_probe_resp_ie);
+ drv->wps_probe_resp_ie = proberesp ? wpabuf_dup(proberesp) : NULL;
+
+ atheros_set_wps_ie(priv, assocresp ? wpabuf_head(assocresp) : NULL,
+ assocresp ? wpabuf_len(assocresp) : 0,
+ IEEE80211_APPIE_FRAME_ASSOC_RESP);
+ if (atheros_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
+ beacon ? wpabuf_len(beacon) : 0,
+ IEEE80211_APPIE_FRAME_BEACON))
+ return -1;
+ return atheros_set_wps_ie(priv,
+ proberesp ? wpabuf_head(proberesp) : NULL,
+ proberesp ? wpabuf_len(proberesp): 0,
+ IEEE80211_APPIE_FRAME_PROBE_RESP);
+}
+#else /* CONFIG_WPS */
+#define atheros_set_ap_wps_ie NULL
+#endif /* CONFIG_WPS */
+
+static void
+atheros_new_sta(struct atheros_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
+{
+ struct hostapd_data *hapd = drv->hapd;
+ struct ieee80211req_wpaie ie;
+ int ielen = 0;
+ u8 *iebuf = NULL;
+
+ /*
+ * Fetch negotiated WPA/RSN parameters from the system.
+ */
+ memset(&ie, 0, sizeof(ie));
+ memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
+ if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
+ /*
+ * See ATH_WPS_IE comment in the beginning of the file for a
+ * possible cause for the failure..
+ */
+ wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s",
+ __func__, strerror(errno));
+ goto no_ie;
+ }
+ wpa_hexdump(MSG_MSGDUMP, "atheros req WPA IE",
+ ie.wpa_ie, IEEE80211_MAX_OPT_IE);
+ wpa_hexdump(MSG_MSGDUMP, "atheros req RSN IE",
+ ie.rsn_ie, IEEE80211_MAX_OPT_IE);
+#ifdef ATH_WPS_IE
+ wpa_hexdump(MSG_MSGDUMP, "atheros req WPS IE",
+ ie.wps_ie, IEEE80211_MAX_OPT_IE);
+#endif /* ATH_WPS_IE */
+ iebuf = ie.wpa_ie;
+ /* atheros seems to return some random data if WPA/RSN IE is not set.
+ * Assume the IE was not included if the IE type is unknown. */
+ if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
+ iebuf[1] = 0;
+ if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
+ /* atheros-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
+ * set. This is needed for WPA2. */
+ iebuf = ie.rsn_ie;
+ if (iebuf[0] != WLAN_EID_RSN)
+ iebuf[1] = 0;
+ }
+
+ ielen = iebuf[1];
+
+#ifdef ATH_WPS_IE
+ /* if WPS IE is present, preference is given to WPS */
+ if (ie.wps_ie &&
+ (ie.wps_ie[1] > 0 && (ie.wps_ie[0] == WLAN_EID_VENDOR_SPECIFIC))) {
+ iebuf = ie.wps_ie;
+ ielen = ie.wps_ie[1];
+ }
+#endif /* ATH_WPS_IE */
+
+ if (ielen == 0)
+ iebuf = NULL;
+ else
+ ielen += 2;
+
+no_ie:
+ drv_event_assoc(hapd, addr, iebuf, ielen, 0);
+
+ if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
+ /* Cached accounting data is not valid anymore. */
+ memset(drv->acct_mac, 0, ETH_ALEN);
+ memset(&drv->acct_data, 0, sizeof(drv->acct_data));
+ }
+}
+
+static void
+atheros_wireless_event_wireless_custom(struct atheros_driver_data *drv,
+ char *custom, char *end)
+{
+ wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
+
+ if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
+ char *pos;
+ u8 addr[ETH_ALEN];
+ pos = strstr(custom, "addr=");
+ if (pos == NULL) {
+ wpa_printf(MSG_DEBUG,
+ "MLME-MICHAELMICFAILURE.indication "
+ "without sender address ignored");
+ return;
+ }
+ pos += 5;
+ if (hwaddr_aton(pos, addr) == 0) {
+ union wpa_event_data data;
+ os_memset(&data, 0, sizeof(data));
+ data.michael_mic_failure.unicast = 1;
+ data.michael_mic_failure.src = addr;
+ wpa_supplicant_event(drv->hapd,
+ EVENT_MICHAEL_MIC_FAILURE, &data);
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "MLME-MICHAELMICFAILURE.indication "
+ "with invalid MAC address");
+ }
+ } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
+ char *key, *value;
+ u32 val;
+ key = custom;
+ while ((key = strchr(key, '\n')) != NULL) {
+ key++;
+ value = strchr(key, '=');
+ if (value == NULL)
+ continue;
+ *value++ = '\0';
+ val = strtoul(value, NULL, 10);
+ if (strcmp(key, "mac") == 0)
+ hwaddr_aton(value, drv->acct_mac);
+ else if (strcmp(key, "rx_packets") == 0)
+ drv->acct_data.rx_packets = val;
+ else if (strcmp(key, "tx_packets") == 0)
+ drv->acct_data.tx_packets = val;
+ else if (strcmp(key, "rx_bytes") == 0)
+ drv->acct_data.rx_bytes = val;
+ else if (strcmp(key, "tx_bytes") == 0)
+ drv->acct_data.tx_bytes = val;
+ key = value;
+ }
+#ifdef CONFIG_WPS
+ } else if (strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) {
+ /* Some atheros kernels send push button as a wireless event */
+ /* PROBLEM! this event is received for ALL BSSs ...
+ * so all are enabled for WPS... ugh.
+ */
+ wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL);
+ } else if (strncmp(custom, "Manage.prob_req ", 16) == 0) {
+ /*
+ * Atheros driver uses a hack to pass Probe Request frames as a
+ * binary data in the custom wireless event. The old way (using
+ * packet sniffing) didn't work when bridging.
+ * Format: "Manage.prob_req <frame len>" | zero padding | frame
+ */
+#define WPS_FRAM_TAG_SIZE 30 /* hardcoded in driver */
+ int len = atoi(custom + 16);
+ if (len < 0 || custom + WPS_FRAM_TAG_SIZE + len > end) {
+ wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event "
+ "length %d", len);
+ return;
+ }
+ atheros_raw_receive(drv, NULL,
+ (u8 *) custom + WPS_FRAM_TAG_SIZE, len);
+#endif /* CONFIG_WPS */
+ }
+}
+
+static void
+atheros_wireless_event_wireless(struct atheros_driver_data *drv,
+ char *data, int len)
+{
+ struct iw_event iwe_buf, *iwe = &iwe_buf;
+ char *pos, *end, *custom, *buf;
+
+ pos = data;
+ end = data + len;
+
+ while (pos + IW_EV_LCP_LEN <= end) {
+ /* Event data may be unaligned, so make a local, aligned copy
+ * before processing. */
+ memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
+ wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
+ iwe->cmd, iwe->len);
+ if (iwe->len <= IW_EV_LCP_LEN)
+ return;
+
+ custom = pos + IW_EV_POINT_LEN;
+ if (drv->we_version > 18 &&
+ (iwe->cmd == IWEVMICHAELMICFAILURE ||
+ iwe->cmd == IWEVASSOCREQIE ||
+ iwe->cmd == IWEVCUSTOM)) {
+ /* WE-19 removed the pointer from struct iw_point */
+ char *dpos = (char *) &iwe_buf.u.data.length;
+ int dlen = dpos - (char *) &iwe_buf;
+ memcpy(dpos, pos + IW_EV_LCP_LEN,
+ sizeof(struct iw_event) - dlen);
+ } else {
+ memcpy(&iwe_buf, pos, sizeof(struct iw_event));
+ custom += IW_EV_POINT_OFF;
+ }
+
+ switch (iwe->cmd) {
+ case IWEVEXPIRED:
+ drv_event_disassoc(drv->hapd,
+ (u8 *) iwe->u.addr.sa_data);
+ break;
+ case IWEVREGISTERED:
+ atheros_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
+ break;
+ case IWEVASSOCREQIE:
+ /* Driver hack.. Use IWEVASSOCREQIE to bypass
+ * IWEVCUSTOM size limitations. Need to handle this
+ * just like IWEVCUSTOM.
+ */
+ case IWEVCUSTOM:
+ if (custom + iwe->u.data.length > end)
+ return;
+ buf = malloc(iwe->u.data.length + 1);
+ if (buf == NULL)
+ return; /* XXX */
+ memcpy(buf, custom, iwe->u.data.length);
+ buf[iwe->u.data.length] = '\0';
+ atheros_wireless_event_wireless_custom(
+ drv, buf, buf + iwe->u.data.length);
+ free(buf);
+ break;
+ }
+
+ pos += iwe->len;
+ }
+}
+
+
+static void
+atheros_wireless_event_rtm_newlink(void *ctx,
+ struct ifinfomsg *ifi, u8 *buf, size_t len)
+{
+ struct atheros_driver_data *drv = ctx;
+ int attrlen, rta_len;
+ struct rtattr *attr;
+
+ if (ifi->ifi_index != drv->ifindex)
+ return;
+
+ attrlen = len;
+ attr = (struct rtattr *) buf;
+
+ rta_len = RTA_ALIGN(sizeof(struct rtattr));
+ while (RTA_OK(attr, attrlen)) {
+ if (attr->rta_type == IFLA_WIRELESS) {
+ atheros_wireless_event_wireless(
+ drv, ((char *) attr) + rta_len,
+ attr->rta_len - rta_len);
+ }
+ attr = RTA_NEXT(attr, attrlen);
+ }
+}
+
+
+static int
+atheros_get_we_version(struct atheros_driver_data *drv)
+{
+ struct iw_range *range;
+ struct iwreq iwr;
+ int minlen;
+ size_t buflen;
+
+ drv->we_version = 0;
+
+ /*
+ * Use larger buffer than struct iw_range in order to allow the
+ * structure to grow in the future.
+ */
+ buflen = sizeof(struct iw_range) + 500;
+ range = os_zalloc(buflen);
+ if (range == NULL)
+ return -1;
+
+ memset(&iwr, 0, sizeof(iwr));
+ os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+ iwr.u.data.pointer = (caddr_t) range;
+ iwr.u.data.length = buflen;
+
+ minlen = ((char *) &range->enc_capa) - (char *) range +
+ sizeof(range->enc_capa);
+
+ if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
+ perror("ioctl[SIOCGIWRANGE]");
+ free(range);
+ return -1;
+ } else if (iwr.u.data.length >= minlen &&
+ range->we_version_compiled >= 18) {
+ wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
+ "WE(source)=%d enc_capa=0x%x",
+ range->we_version_compiled,
+ range->we_version_source,
+ range->enc_capa);
+ drv->we_version = range->we_version_compiled;
+ }
+
+ free(range);
+ return 0;
+}
+
+
+static int
+atheros_wireless_event_init(struct atheros_driver_data *drv)
+{
+ struct netlink_config *cfg;
+
+ atheros_get_we_version(drv);
+
+ cfg = os_zalloc(sizeof(*cfg));
+ if (cfg == NULL)
+ return -1;
+ cfg->ctx = drv;
+ cfg->newlink_cb = atheros_wireless_event_rtm_newlink;
+ drv->netlink = netlink_init(cfg);
+ if (drv->netlink == NULL) {
+ os_free(cfg);
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static int
+atheros_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
+ int encrypt, const u8 *own_addr, u32 flags)
+{
+ struct atheros_driver_data *drv = priv;
+ unsigned char buf[3000];
+ unsigned char *bp = buf;
+ struct l2_ethhdr *eth;
+ size_t len;
+ int status;
+
+ /*
+ * Prepend the Ethernet header. If the caller left us
+ * space at the front we could just insert it but since
+ * we don't know we copy to a local buffer. Given the frequency
+ * and size of frames this probably doesn't matter.
+ */
+ len = data_len + sizeof(struct l2_ethhdr);
+ if (len > sizeof(buf)) {
+ bp = malloc(len);
+ if (bp == NULL) {
+ printf("EAPOL frame discarded, cannot malloc temp "
+ "buffer of size %lu!\n", (unsigned long) len);
+ return -1;
+ }
+ }
+ eth = (struct l2_ethhdr *) bp;
+ memcpy(eth->h_dest, addr, ETH_ALEN);
+ memcpy(eth->h_source, own_addr, ETH_ALEN);
+ eth->h_proto = host_to_be16(ETH_P_EAPOL);
+ memcpy(eth+1, data, data_len);
+
+ wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
+
+ status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
+
+ if (bp != buf)
+ free(bp);
+ return status;
+}
+
+static void
+handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
+{
+ struct atheros_driver_data *drv = ctx;
+ drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
+ len - sizeof(struct l2_ethhdr));
+}
+
+static void *
+atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params)
+{
+ struct atheros_driver_data *drv;
+ struct ifreq ifr;
+ struct iwreq iwr;
+ char brname[IFNAMSIZ];
+
+ drv = os_zalloc(sizeof(struct atheros_driver_data));
+ if (drv == NULL) {
+ printf("Could not allocate memory for atheros driver data\n");
+ return NULL;
+ }
+
+ drv->hapd = hapd;
+ drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
+ if (drv->ioctl_sock < 0) {
+ perror("socket[PF_INET,SOCK_DGRAM]");
+ goto bad;
+ }
+ memcpy(drv->iface, params->ifname, sizeof(drv->iface));
+
+ memset(&ifr, 0, sizeof(ifr));
+ os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
+ if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
+ perror("ioctl(SIOCGIFINDEX)");
+ goto bad;
+ }
+ drv->ifindex = ifr.ifr_ifindex;
+
+ drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
+ handle_read, drv, 1);
+ if (drv->sock_xmit == NULL)
+ goto bad;
+ if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
+ goto bad;
+ if (params->bridge[0]) {
+ wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
+ params->bridge[0]);
+ drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
+ ETH_P_EAPOL, handle_read, drv,
+ 1);
+ if (drv->sock_recv == NULL)
+ goto bad;
+ } else if (linux_br_get(brname, drv->iface) == 0) {
+ wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for "
+ "EAPOL receive", brname);
+ drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL,
+ handle_read, drv, 1);
+ if (drv->sock_recv == NULL)
+ goto bad;
+ } else
+ drv->sock_recv = drv->sock_xmit;
+
+ memset(&iwr, 0, sizeof(iwr));
+ os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+
+ iwr.u.mode = IW_MODE_MASTER;
+
+ if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
+ perror("ioctl[SIOCSIWMODE]");
+ printf("Could not set interface to master mode!\n");
+ goto bad;
+ }
+
+ /* mark down during setup */
+ linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
+ atheros_set_privacy(drv, 0); /* default to no privacy */
+
+ atheros_receive_probe_req(drv);
+
+ if (atheros_wireless_event_init(drv))
+ goto bad;
+
+ return drv;
+bad:
+ if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
+ l2_packet_deinit(drv->sock_recv);
+ if (drv->sock_xmit != NULL)
+ l2_packet_deinit(drv->sock_xmit);
+ if (drv->ioctl_sock >= 0)
+ close(drv->ioctl_sock);
+ if (drv != NULL)
+ free(drv);
+ return NULL;
+}
+
+
+static void
+atheros_deinit(void *priv)
+{
+ struct atheros_driver_data *drv = priv;
+
+ netlink_deinit(drv->netlink);
+ (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
+ if (drv->ioctl_sock >= 0)
+ close(drv->ioctl_sock);
+ if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
+ l2_packet_deinit(drv->sock_recv);
+ if (drv->sock_xmit != NULL)
+ l2_packet_deinit(drv->sock_xmit);
+ if (drv->sock_raw)
+ l2_packet_deinit(drv->sock_raw);
+ wpabuf_free(drv->wpa_ie);
+ wpabuf_free(drv->wps_beacon_ie);
+ wpabuf_free(drv->wps_probe_resp_ie);
+ free(drv);
+}
+
+static int
+atheros_set_ssid(void *priv, const u8 *buf, int len)
+{
+ struct atheros_driver_data *drv = priv;
+ struct iwreq iwr;
+
+ memset(&iwr, 0, sizeof(iwr));
+ os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+ iwr.u.essid.flags = 1; /* SSID active */
+ iwr.u.essid.pointer = (caddr_t) buf;
+ iwr.u.essid.length = len + 1;
+
+ if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
+ perror("ioctl[SIOCSIWESSID]");
+ printf("len=%d\n", len);
+ return -1;
+ }
+ return 0;
+}
+
+static int
+atheros_get_ssid(void *priv, u8 *buf, int len)
+{
+ struct atheros_driver_data *drv = priv;
+ struct iwreq iwr;
+ int ret = 0;
+
+ memset(&iwr, 0, sizeof(iwr));
+ os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+ iwr.u.essid.pointer = (caddr_t) buf;
+ iwr.u.essid.length = len;
+
+ if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
+ perror("ioctl[SIOCGIWESSID]");
+ ret = -1;
+ } else
+ ret = iwr.u.essid.length;
+
+ return ret;
+}
+
+static int
+atheros_set_countermeasures(void *priv, int enabled)
+{
+ struct atheros_driver_data *drv = priv;
+ wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+ return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
+}
+
+static int
+atheros_commit(void *priv)
+{
+ struct atheros_driver_data *drv = priv;
+ return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
+}
+
+const struct wpa_driver_ops wpa_driver_atheros_ops = {
+ .name = "atheros",
+ .hapd_init = atheros_init,
+ .hapd_deinit = atheros_deinit,
+ .set_ieee8021x = atheros_set_ieee8021x,
+ .set_privacy = atheros_set_privacy,
+ .set_key = atheros_set_key,
+ .get_seqnum = atheros_get_seqnum,
+ .flush = atheros_flush,
+ .set_generic_elem = atheros_set_opt_ie,
+ .sta_set_flags = atheros_sta_set_flags,
+ .read_sta_data = atheros_read_sta_driver_data,
+ .hapd_send_eapol = atheros_send_eapol,
+ .sta_disassoc = atheros_sta_disassoc,
+ .sta_deauth = atheros_sta_deauth,
+ .hapd_set_ssid = atheros_set_ssid,
+ .hapd_get_ssid = atheros_get_ssid,
+ .set_countermeasures = atheros_set_countermeasures,
+ .sta_clear_stats = atheros_sta_clear_stats,
+ .commit = atheros_commit,
+ .set_ap_wps_ie = atheros_set_ap_wps_ie,
+};