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Commit | Line | Data |
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3f5285e8 | 1 | /* |
c5121837 | 2 | * Driver interaction with Linux nl80211/cfg80211 |
3d9975d5 | 3 | * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi> |
072ad14c JM |
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> | |
58f6fbe0 | 7 | * Copyright (c) 2009-2010, Atheros Communications |
3f5285e8 | 8 | * |
0f3d578e JM |
9 | * This software may be distributed under the terms of the BSD license. |
10 | * See README for more details. | |
3f5285e8 JM |
11 | */ |
12 | ||
13 | #include "includes.h" | |
14 | #include <sys/ioctl.h> | |
6859f1cb BG |
15 | #include <sys/types.h> |
16 | #include <sys/stat.h> | |
17 | #include <fcntl.h> | |
37b7d082 | 18 | #include <net/if.h> |
3f5285e8 JM |
19 | #include <netlink/genl/genl.h> |
20 | #include <netlink/genl/family.h> | |
21 | #include <netlink/genl/ctrl.h> | |
8602b0f2 | 22 | #include <linux/rtnetlink.h> |
1b648c7e JM |
23 | #include <netpacket/packet.h> |
24 | #include <linux/filter.h> | |
32ab4855 | 25 | #include <linux/errqueue.h> |
7e45830a | 26 | #include "nl80211_copy.h" |
625f587b | 27 | |
3f5285e8 | 28 | #include "common.h" |
1b648c7e | 29 | #include "eloop.h" |
f2ed8023 | 30 | #include "utils/list.h" |
1b648c7e | 31 | #include "common/ieee802_11_defs.h" |
9b90955e | 32 | #include "common/ieee802_11_common.h" |
f10bfc9a | 33 | #include "l2_packet/l2_packet.h" |
e2d02c29 | 34 | #include "netlink.h" |
34f2f814 | 35 | #include "linux_ioctl.h" |
e2d02c29 JM |
36 | #include "radiotap.h" |
37 | #include "radiotap_iter.h" | |
8401a6b0 | 38 | #include "rfkill.h" |
1b648c7e | 39 | #include "driver.h" |
0915d02c | 40 | |
32ab4855 JB |
41 | #ifndef SO_WIFI_STATUS |
42 | # if defined(__sparc__) | |
43 | # define SO_WIFI_STATUS 0x0025 | |
44 | # elif defined(__parisc__) | |
45 | # define SO_WIFI_STATUS 0x4022 | |
46 | # else | |
47 | # define SO_WIFI_STATUS 41 | |
48 | # endif | |
49 | ||
50 | # define SCM_WIFI_STATUS SO_WIFI_STATUS | |
51 | #endif | |
52 | ||
53 | #ifndef SO_EE_ORIGIN_TXSTATUS | |
54 | #define SO_EE_ORIGIN_TXSTATUS 4 | |
55 | #endif | |
56 | ||
57 | #ifndef PACKET_TX_TIMESTAMP | |
58 | #define PACKET_TX_TIMESTAMP 16 | |
59 | #endif | |
60 | ||
216eede8 DS |
61 | #ifdef ANDROID |
62 | #include "android_drv.h" | |
df2f9ec6 JM |
63 | |
64 | /* system/core/libnl_2 in AOSP does not include nla_put_u32() */ | |
65 | int nla_put_u32(struct nl_msg *msg, int attrtype, uint32_t value) | |
66 | { | |
67 | return nla_put(msg, attrtype, sizeof(uint32_t), &value); | |
68 | } | |
216eede8 | 69 | #endif /* ANDROID */ |
c5121837 JM |
70 | #ifdef CONFIG_LIBNL20 |
71 | /* libnl 2.0 compatibility code */ | |
2e8eac2d | 72 | #define nl_handle nl_sock |
a65a9aed JB |
73 | #define nl80211_handle_alloc nl_socket_alloc_cb |
74 | #define nl80211_handle_destroy nl_socket_free | |
75 | #else | |
76 | /* | |
77 | * libnl 1.1 has a bug, it tries to allocate socket numbers densely | |
78 | * but when you free a socket again it will mess up its bitmap and | |
79 | * and use the wrong number the next time it needs a socket ID. | |
80 | * Therefore, we wrap the handle alloc/destroy and add our own pid | |
81 | * accounting. | |
82 | */ | |
83 | static uint32_t port_bitmap[32] = { 0 }; | |
84 | ||
85 | static struct nl_handle *nl80211_handle_alloc(void *cb) | |
86 | { | |
87 | struct nl_handle *handle; | |
88 | uint32_t pid = getpid() & 0x3FFFFF; | |
89 | int i; | |
90 | ||
91 | handle = nl_handle_alloc_cb(cb); | |
92 | ||
93 | for (i = 0; i < 1024; i++) { | |
94 | if (port_bitmap[i / 32] & (1 << (i % 32))) | |
95 | continue; | |
96 | port_bitmap[i / 32] |= 1 << (i % 32); | |
97 | pid += i << 22; | |
98 | break; | |
99 | } | |
100 | ||
101 | nl_socket_set_local_port(handle, pid); | |
102 | ||
103 | return handle; | |
104 | } | |
105 | ||
106 | static void nl80211_handle_destroy(struct nl_handle *handle) | |
107 | { | |
108 | uint32_t port = nl_socket_get_local_port(handle); | |
109 | ||
110 | port >>= 22; | |
111 | port_bitmap[port / 32] &= ~(1 << (port % 32)); | |
112 | ||
113 | nl_handle_destroy(handle); | |
114 | } | |
c5121837 JM |
115 | #endif /* CONFIG_LIBNL20 */ |
116 | ||
c5121837 | 117 | |
481234cf | 118 | static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg) |
a92dfde8 | 119 | { |
481234cf | 120 | struct nl_handle *handle; |
a92dfde8 | 121 | |
481234cf JM |
122 | handle = nl80211_handle_alloc(cb); |
123 | if (handle == NULL) { | |
a92dfde8 JB |
124 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " |
125 | "callbacks (%s)", dbg); | |
481234cf | 126 | return NULL; |
a92dfde8 JB |
127 | } |
128 | ||
481234cf | 129 | if (genl_connect(handle)) { |
a92dfde8 JB |
130 | wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic " |
131 | "netlink (%s)", dbg); | |
481234cf JM |
132 | nl80211_handle_destroy(handle); |
133 | return NULL; | |
a92dfde8 JB |
134 | } |
135 | ||
481234cf | 136 | return handle; |
a92dfde8 JB |
137 | } |
138 | ||
139 | ||
481234cf | 140 | static void nl_destroy_handles(struct nl_handle **handle) |
a92dfde8 | 141 | { |
481234cf | 142 | if (*handle == NULL) |
a92dfde8 | 143 | return; |
481234cf JM |
144 | nl80211_handle_destroy(*handle); |
145 | *handle = NULL; | |
a92dfde8 JB |
146 | } |
147 | ||
148 | ||
3f5285e8 JM |
149 | #ifndef IFF_LOWER_UP |
150 | #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ | |
151 | #endif | |
152 | #ifndef IFF_DORMANT | |
153 | #define IFF_DORMANT 0x20000 /* driver signals dormant */ | |
154 | #endif | |
155 | ||
156 | #ifndef IF_OPER_DORMANT | |
157 | #define IF_OPER_DORMANT 5 | |
158 | #endif | |
159 | #ifndef IF_OPER_UP | |
160 | #define IF_OPER_UP 6 | |
161 | #endif | |
162 | ||
f2ed8023 JM |
163 | struct nl80211_global { |
164 | struct dl_list interfaces; | |
ff6a158b | 165 | int if_add_ifindex; |
36d84860 | 166 | struct netlink_data *netlink; |
2a7b66f5 | 167 | struct nl_cb *nl_cb; |
481234cf | 168 | struct nl_handle *nl; |
335d42b1 | 169 | int nl80211_id; |
c81eff1a | 170 | int ioctl_sock; /* socket for ioctl() use */ |
d6c9aab8 | 171 | |
481234cf | 172 | struct nl_handle *nl_event; |
f2ed8023 JM |
173 | }; |
174 | ||
e32ad281 JB |
175 | struct nl80211_wiphy_data { |
176 | struct dl_list list; | |
177 | struct dl_list bsss; | |
178 | struct dl_list drvs; | |
179 | ||
481234cf | 180 | struct nl_handle *nl_beacons; |
e32ad281 JB |
181 | struct nl_cb *nl_cb; |
182 | ||
183 | int wiphy_idx; | |
184 | }; | |
185 | ||
36d84860 BG |
186 | static void nl80211_global_deinit(void *priv); |
187 | ||
c5121837 | 188 | struct i802_bss { |
a2e40bb6 | 189 | struct wpa_driver_nl80211_data *drv; |
c5121837 | 190 | struct i802_bss *next; |
b4fd6fab | 191 | int ifindex; |
a2e40bb6 | 192 | char ifname[IFNAMSIZ + 1]; |
e17a2477 | 193 | char brname[IFNAMSIZ]; |
c5121837 | 194 | unsigned int beacon_set:1; |
e17a2477 JM |
195 | unsigned int added_if_into_bridge:1; |
196 | unsigned int added_bridge:1; | |
873d0fcf | 197 | unsigned int in_deinit:1; |
221a59c9 | 198 | |
341eebee JB |
199 | u8 addr[ETH_ALEN]; |
200 | ||
e4fb2167 JB |
201 | int freq; |
202 | ||
a5e1eb20 | 203 | void *ctx; |
481234cf | 204 | struct nl_handle *nl_preq, *nl_mgmt; |
cc7a48d1 | 205 | struct nl_cb *nl_cb; |
e32ad281 JB |
206 | |
207 | struct nl80211_wiphy_data *wiphy_data; | |
208 | struct dl_list wiphy_list; | |
c5121837 | 209 | }; |
3f5285e8 JM |
210 | |
211 | struct wpa_driver_nl80211_data { | |
f2ed8023 JM |
212 | struct nl80211_global *global; |
213 | struct dl_list list; | |
e32ad281 | 214 | struct dl_list wiphy_list; |
6859f1cb | 215 | char phyname[32]; |
3f5285e8 | 216 | void *ctx; |
3f5285e8 | 217 | int ifindex; |
7524cfb1 | 218 | int if_removed; |
a63063b4 | 219 | int if_disabled; |
7d9c3698 | 220 | int ignore_if_down_event; |
8401a6b0 | 221 | struct rfkill_data *rfkill; |
c2a04078 | 222 | struct wpa_driver_capa capa; |
8cd6b7bc JB |
223 | u8 *extended_capa, *extended_capa_mask; |
224 | unsigned int extended_capa_len; | |
c2a04078 | 225 | int has_capability; |
c2a04078 | 226 | |
3f5285e8 JM |
227 | int operstate; |
228 | ||
3f5285e8 JM |
229 | int scan_complete_events; |
230 | ||
1afc986d | 231 | struct nl_cb *nl_cb; |
1c873584 | 232 | |
e6b8efeb | 233 | u8 auth_bssid[ETH_ALEN]; |
c2a04078 JM |
234 | u8 bssid[ETH_ALEN]; |
235 | int associated; | |
fd05d64e JM |
236 | u8 ssid[32]; |
237 | size_t ssid_len; | |
b1f625e0 EP |
238 | enum nl80211_iftype nlmode; |
239 | enum nl80211_iftype ap_scan_as_station; | |
4832ecd7 | 240 | unsigned int assoc_freq; |
d2440ba0 | 241 | |
0915d02c JM |
242 | int monitor_sock; |
243 | int monitor_ifidx; | |
3fd1cefb | 244 | int monitor_refcount; |
7da3abe7 | 245 | |
b3af99d2 | 246 | unsigned int disabled_11b_rates:1; |
55777702 | 247 | unsigned int pending_remain_on_chan:1; |
dac12351 | 248 | unsigned int in_interface_list:1; |
61cbe2ff | 249 | unsigned int device_ap_sme:1; |
39718852 | 250 | unsigned int poll_command_supported:1; |
32ab4855 | 251 | unsigned int data_tx_status:1; |
536fd62d JM |
252 | unsigned int scan_for_auth:1; |
253 | unsigned int retry_auth:1; | |
a11241fa | 254 | unsigned int use_monitor:1; |
a8c5b43a | 255 | unsigned int ignore_next_local_disconnect:1; |
55777702 JM |
256 | |
257 | u64 remain_on_chan_cookie; | |
58f6fbe0 | 258 | u64 send_action_cookie; |
c5121837 | 259 | |
5582a5d1 JB |
260 | unsigned int last_mgmt_freq; |
261 | ||
3812464c JM |
262 | struct wpa_driver_scan_filter *filter_ssids; |
263 | size_t num_filter_ssids; | |
264 | ||
a2e40bb6 FF |
265 | struct i802_bss first_bss; |
266 | ||
d12dab4c | 267 | int eapol_tx_sock; |
f10bfc9a | 268 | |
c5121837 | 269 | #ifdef HOSTAPD |
c5121837 | 270 | int eapol_sock; /* socket for EAPOL frames */ |
c5121837 JM |
271 | |
272 | int default_if_indices[16]; | |
273 | int *if_indices; | |
274 | int num_if_indices; | |
275 | ||
c5121837 JM |
276 | int last_freq; |
277 | int last_freq_ht; | |
c5121837 | 278 | #endif /* HOSTAPD */ |
536fd62d JM |
279 | |
280 | /* From failed authentication command */ | |
281 | int auth_freq; | |
282 | u8 auth_bssid_[ETH_ALEN]; | |
283 | u8 auth_ssid[32]; | |
284 | size_t auth_ssid_len; | |
285 | int auth_alg; | |
286 | u8 *auth_ie; | |
287 | size_t auth_ie_len; | |
288 | u8 auth_wep_key[4][16]; | |
289 | size_t auth_wep_key_len[4]; | |
290 | int auth_wep_tx_keyidx; | |
291 | int auth_local_state_change; | |
292 | int auth_p2p; | |
3f5285e8 JM |
293 | }; |
294 | ||
295 | ||
9ebce9c5 | 296 | static void wpa_driver_nl80211_deinit(struct i802_bss *bss); |
3f5285e8 JM |
297 | static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, |
298 | void *timeout_ctx); | |
b1f625e0 EP |
299 | static int wpa_driver_nl80211_set_mode(struct i802_bss *bss, |
300 | enum nl80211_iftype nlmode); | |
362f781e | 301 | static int |
7524cfb1 | 302 | wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv); |
d72aad94 | 303 | static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, |
77339912 JM |
304 | const u8 *addr, int cmd, u16 reason_code, |
305 | int local_state_change); | |
460456f8 JM |
306 | static void nl80211_remove_monitor_interface( |
307 | struct wpa_driver_nl80211_data *drv); | |
88df0ef7 | 308 | static int nl80211_send_frame_cmd(struct i802_bss *bss, |
5dfca53f | 309 | unsigned int freq, unsigned int wait, |
b106173a | 310 | const u8 *buf, size_t buf_len, u64 *cookie, |
88df0ef7 | 311 | int no_cck, int no_ack, int offchanok); |
9ebce9c5 JM |
312 | static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, |
313 | int report); | |
216eede8 DS |
314 | #ifdef ANDROID |
315 | static int android_pno_start(struct i802_bss *bss, | |
316 | struct wpa_driver_scan_params *params); | |
317 | static int android_pno_stop(struct i802_bss *bss); | |
318 | #endif /* ANDROID */ | |
0915d02c | 319 | |
072ad14c | 320 | #ifdef HOSTAPD |
2135f224 JM |
321 | static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); |
322 | static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); | |
97cfcf64 | 323 | static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); |
9ebce9c5 | 324 | static int wpa_driver_nl80211_if_remove(struct i802_bss *bss, |
fbbfcbac FF |
325 | enum wpa_driver_if_type type, |
326 | const char *ifname); | |
37eb8da9 | 327 | #else /* HOSTAPD */ |
bd2df892 JM |
328 | static inline void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) |
329 | { | |
330 | } | |
331 | ||
332 | static inline void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) | |
333 | { | |
334 | } | |
335 | ||
336 | static inline int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) | |
37eb8da9 JM |
337 | { |
338 | return 0; | |
339 | } | |
072ad14c JM |
340 | #endif /* HOSTAPD */ |
341 | ||
9ebce9c5 JM |
342 | static int wpa_driver_nl80211_set_freq(struct i802_bss *bss, |
343 | struct hostapd_freq_params *freq); | |
4e5cb1a3 JM |
344 | static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, |
345 | int ifindex, int disabled); | |
504e905c | 346 | |
21bdbe38 | 347 | static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv); |
536fd62d JM |
348 | static int wpa_driver_nl80211_authenticate_retry( |
349 | struct wpa_driver_nl80211_data *drv); | |
21bdbe38 | 350 | |
3f5285e8 | 351 | |
b1f625e0 EP |
352 | static int is_ap_interface(enum nl80211_iftype nlmode) |
353 | { | |
354 | return (nlmode == NL80211_IFTYPE_AP || | |
355 | nlmode == NL80211_IFTYPE_P2P_GO); | |
356 | } | |
357 | ||
358 | ||
359 | static int is_sta_interface(enum nl80211_iftype nlmode) | |
360 | { | |
361 | return (nlmode == NL80211_IFTYPE_STATION || | |
362 | nlmode == NL80211_IFTYPE_P2P_CLIENT); | |
363 | } | |
364 | ||
365 | ||
b3af99d2 JM |
366 | static int is_p2p_interface(enum nl80211_iftype nlmode) |
367 | { | |
368 | return (nlmode == NL80211_IFTYPE_P2P_CLIENT || | |
369 | nlmode == NL80211_IFTYPE_P2P_GO); | |
370 | } | |
371 | ||
372 | ||
f5a8d422 JM |
373 | struct nl80211_bss_info_arg { |
374 | struct wpa_driver_nl80211_data *drv; | |
375 | struct wpa_scan_results *res; | |
376 | unsigned int assoc_freq; | |
20f5a4c2 | 377 | u8 assoc_bssid[ETH_ALEN]; |
f5a8d422 JM |
378 | }; |
379 | ||
380 | static int bss_info_handler(struct nl_msg *msg, void *arg); | |
381 | ||
382 | ||
6241fcb1 JM |
383 | /* nl80211 code */ |
384 | static int ack_handler(struct nl_msg *msg, void *arg) | |
385 | { | |
386 | int *err = arg; | |
387 | *err = 0; | |
388 | return NL_STOP; | |
389 | } | |
390 | ||
391 | static int finish_handler(struct nl_msg *msg, void *arg) | |
392 | { | |
8e8df255 JM |
393 | int *ret = arg; |
394 | *ret = 0; | |
6241fcb1 JM |
395 | return NL_SKIP; |
396 | } | |
397 | ||
398 | static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err, | |
399 | void *arg) | |
400 | { | |
401 | int *ret = arg; | |
402 | *ret = err->error; | |
403 | return NL_SKIP; | |
404 | } | |
405 | ||
5b7b85f6 JM |
406 | |
407 | static int no_seq_check(struct nl_msg *msg, void *arg) | |
408 | { | |
409 | return NL_OK; | |
410 | } | |
411 | ||
412 | ||
d6c9aab8 | 413 | static int send_and_recv(struct nl80211_global *global, |
58f6fbe0 JM |
414 | struct nl_handle *nl_handle, struct nl_msg *msg, |
415 | int (*valid_handler)(struct nl_msg *, void *), | |
416 | void *valid_data) | |
6241fcb1 JM |
417 | { |
418 | struct nl_cb *cb; | |
419 | int err = -ENOMEM; | |
420 | ||
d6c9aab8 | 421 | cb = nl_cb_clone(global->nl_cb); |
6241fcb1 JM |
422 | if (!cb) |
423 | goto out; | |
424 | ||
58f6fbe0 | 425 | err = nl_send_auto_complete(nl_handle, msg); |
6241fcb1 JM |
426 | if (err < 0) |
427 | goto out; | |
428 | ||
429 | err = 1; | |
430 | ||
431 | nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err); | |
8e8df255 | 432 | nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err); |
6241fcb1 JM |
433 | nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err); |
434 | ||
435 | if (valid_handler) | |
436 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, | |
437 | valid_handler, valid_data); | |
438 | ||
439 | while (err > 0) | |
58f6fbe0 | 440 | nl_recvmsgs(nl_handle, cb); |
6241fcb1 JM |
441 | out: |
442 | nl_cb_put(cb); | |
443 | nlmsg_free(msg); | |
444 | return err; | |
445 | } | |
446 | ||
447 | ||
d6c9aab8 JB |
448 | static int send_and_recv_msgs_global(struct nl80211_global *global, |
449 | struct nl_msg *msg, | |
450 | int (*valid_handler)(struct nl_msg *, void *), | |
451 | void *valid_data) | |
452 | { | |
481234cf | 453 | return send_and_recv(global, global->nl, msg, valid_handler, |
d6c9aab8 JB |
454 | valid_data); |
455 | } | |
456 | ||
457 | ||
58f6fbe0 JM |
458 | static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, |
459 | struct nl_msg *msg, | |
460 | int (*valid_handler)(struct nl_msg *, void *), | |
461 | void *valid_data) | |
462 | { | |
481234cf | 463 | return send_and_recv(drv->global, drv->global->nl, msg, |
d6c9aab8 | 464 | valid_handler, valid_data); |
58f6fbe0 JM |
465 | } |
466 | ||
467 | ||
97865538 JM |
468 | struct family_data { |
469 | const char *group; | |
470 | int id; | |
471 | }; | |
472 | ||
473 | ||
474 | static int family_handler(struct nl_msg *msg, void *arg) | |
475 | { | |
476 | struct family_data *res = arg; | |
477 | struct nlattr *tb[CTRL_ATTR_MAX + 1]; | |
478 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
479 | struct nlattr *mcgrp; | |
480 | int i; | |
481 | ||
482 | nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
483 | genlmsg_attrlen(gnlh, 0), NULL); | |
484 | if (!tb[CTRL_ATTR_MCAST_GROUPS]) | |
485 | return NL_SKIP; | |
486 | ||
487 | nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) { | |
488 | struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1]; | |
489 | nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp), | |
490 | nla_len(mcgrp), NULL); | |
491 | if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] || | |
492 | !tb2[CTRL_ATTR_MCAST_GRP_ID] || | |
493 | os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]), | |
494 | res->group, | |
495 | nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0) | |
496 | continue; | |
497 | res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]); | |
498 | break; | |
499 | }; | |
500 | ||
501 | return NL_SKIP; | |
502 | } | |
503 | ||
504 | ||
d6c9aab8 | 505 | static int nl_get_multicast_id(struct nl80211_global *global, |
97865538 JM |
506 | const char *family, const char *group) |
507 | { | |
508 | struct nl_msg *msg; | |
509 | int ret = -1; | |
510 | struct family_data res = { group, -ENOENT }; | |
511 | ||
512 | msg = nlmsg_alloc(); | |
513 | if (!msg) | |
514 | return -ENOMEM; | |
481234cf | 515 | genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"), |
97865538 JM |
516 | 0, 0, CTRL_CMD_GETFAMILY, 0); |
517 | NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family); | |
518 | ||
d6c9aab8 | 519 | ret = send_and_recv_msgs_global(global, msg, family_handler, &res); |
97865538 JM |
520 | msg = NULL; |
521 | if (ret == 0) | |
522 | ret = res.id; | |
523 | ||
524 | nla_put_failure: | |
525 | nlmsg_free(msg); | |
526 | return ret; | |
527 | } | |
528 | ||
529 | ||
9fb04070 JM |
530 | static void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, |
531 | struct nl_msg *msg, int flags, uint8_t cmd) | |
532 | { | |
335d42b1 | 533 | return genlmsg_put(msg, 0, 0, drv->global->nl80211_id, |
276e2d67 | 534 | 0, flags, cmd, 0); |
9fb04070 JM |
535 | } |
536 | ||
537 | ||
e32ad281 JB |
538 | struct wiphy_idx_data { |
539 | int wiphy_idx; | |
540 | }; | |
541 | ||
542 | ||
543 | static int netdev_info_handler(struct nl_msg *msg, void *arg) | |
544 | { | |
545 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
546 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
547 | struct wiphy_idx_data *info = arg; | |
548 | ||
549 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
550 | genlmsg_attrlen(gnlh, 0), NULL); | |
551 | ||
552 | if (tb[NL80211_ATTR_WIPHY]) | |
553 | info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
554 | ||
555 | return NL_SKIP; | |
556 | } | |
557 | ||
558 | ||
559 | static int nl80211_get_wiphy_index(struct i802_bss *bss) | |
560 | { | |
561 | struct nl_msg *msg; | |
562 | struct wiphy_idx_data data = { | |
563 | .wiphy_idx = -1, | |
564 | }; | |
565 | ||
566 | msg = nlmsg_alloc(); | |
567 | if (!msg) | |
568 | return -1; | |
569 | ||
570 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE); | |
571 | ||
572 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
573 | ||
574 | if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) | |
575 | return data.wiphy_idx; | |
576 | msg = NULL; | |
577 | nla_put_failure: | |
578 | nlmsg_free(msg); | |
579 | return -1; | |
580 | } | |
581 | ||
582 | ||
583 | static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv, | |
584 | struct nl80211_wiphy_data *w) | |
585 | { | |
586 | struct nl_msg *msg; | |
587 | int ret = -1; | |
588 | ||
589 | msg = nlmsg_alloc(); | |
590 | if (!msg) | |
591 | return -1; | |
592 | ||
593 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS); | |
594 | ||
595 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx); | |
596 | ||
481234cf | 597 | ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL); |
e32ad281 JB |
598 | msg = NULL; |
599 | if (ret) { | |
600 | wpa_printf(MSG_DEBUG, "nl80211: Register beacons command " | |
601 | "failed: ret=%d (%s)", | |
602 | ret, strerror(-ret)); | |
603 | goto nla_put_failure; | |
604 | } | |
605 | ret = 0; | |
606 | nla_put_failure: | |
607 | nlmsg_free(msg); | |
608 | return ret; | |
609 | } | |
610 | ||
611 | ||
612 | static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle) | |
613 | { | |
614 | struct nl80211_wiphy_data *w = eloop_ctx; | |
615 | ||
ee9fc67a | 616 | wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available"); |
e32ad281 JB |
617 | |
618 | nl_recvmsgs(handle, w->nl_cb); | |
619 | } | |
620 | ||
621 | ||
622 | static int process_beacon_event(struct nl_msg *msg, void *arg) | |
623 | { | |
624 | struct nl80211_wiphy_data *w = arg; | |
625 | struct wpa_driver_nl80211_data *drv; | |
626 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
627 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
628 | union wpa_event_data event; | |
629 | ||
630 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
631 | genlmsg_attrlen(gnlh, 0), NULL); | |
632 | ||
633 | if (gnlh->cmd != NL80211_CMD_FRAME) { | |
634 | wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)", | |
635 | gnlh->cmd); | |
636 | return NL_SKIP; | |
637 | } | |
638 | ||
639 | if (!tb[NL80211_ATTR_FRAME]) | |
640 | return NL_SKIP; | |
641 | ||
642 | dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data, | |
643 | wiphy_list) { | |
644 | os_memset(&event, 0, sizeof(event)); | |
645 | event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]); | |
646 | event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]); | |
647 | wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); | |
648 | } | |
649 | ||
650 | return NL_SKIP; | |
651 | } | |
652 | ||
653 | ||
654 | static struct nl80211_wiphy_data * | |
655 | nl80211_get_wiphy_data_ap(struct i802_bss *bss) | |
656 | { | |
657 | static DEFINE_DL_LIST(nl80211_wiphys); | |
658 | struct nl80211_wiphy_data *w; | |
659 | int wiphy_idx, found = 0; | |
660 | struct i802_bss *tmp_bss; | |
661 | ||
662 | if (bss->wiphy_data != NULL) | |
663 | return bss->wiphy_data; | |
664 | ||
665 | wiphy_idx = nl80211_get_wiphy_index(bss); | |
666 | ||
667 | dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) { | |
668 | if (w->wiphy_idx == wiphy_idx) | |
669 | goto add; | |
670 | } | |
671 | ||
672 | /* alloc new one */ | |
673 | w = os_zalloc(sizeof(*w)); | |
674 | if (w == NULL) | |
675 | return NULL; | |
676 | w->wiphy_idx = wiphy_idx; | |
677 | dl_list_init(&w->bsss); | |
678 | dl_list_init(&w->drvs); | |
679 | ||
680 | w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
681 | if (!w->nl_cb) { | |
682 | os_free(w); | |
683 | return NULL; | |
684 | } | |
685 | nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); | |
686 | nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event, | |
687 | w); | |
688 | ||
481234cf JM |
689 | w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb, |
690 | "wiphy beacons"); | |
691 | if (w->nl_beacons == NULL) { | |
e32ad281 JB |
692 | os_free(w); |
693 | return NULL; | |
694 | } | |
695 | ||
696 | if (nl80211_register_beacons(bss->drv, w)) { | |
697 | nl_destroy_handles(&w->nl_beacons); | |
698 | os_free(w); | |
699 | return NULL; | |
700 | } | |
701 | ||
481234cf JM |
702 | eloop_register_read_sock(nl_socket_get_fd(w->nl_beacons), |
703 | nl80211_recv_beacons, w, w->nl_beacons); | |
e32ad281 JB |
704 | |
705 | dl_list_add(&nl80211_wiphys, &w->list); | |
706 | ||
707 | add: | |
708 | /* drv entry for this bss already there? */ | |
709 | dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { | |
710 | if (tmp_bss->drv == bss->drv) { | |
711 | found = 1; | |
712 | break; | |
713 | } | |
714 | } | |
715 | /* if not add it */ | |
716 | if (!found) | |
717 | dl_list_add(&w->drvs, &bss->drv->wiphy_list); | |
718 | ||
719 | dl_list_add(&w->bsss, &bss->wiphy_list); | |
720 | bss->wiphy_data = w; | |
721 | return w; | |
722 | } | |
723 | ||
724 | ||
725 | static void nl80211_put_wiphy_data_ap(struct i802_bss *bss) | |
726 | { | |
727 | struct nl80211_wiphy_data *w = bss->wiphy_data; | |
728 | struct i802_bss *tmp_bss; | |
729 | int found = 0; | |
730 | ||
731 | if (w == NULL) | |
732 | return; | |
733 | bss->wiphy_data = NULL; | |
734 | dl_list_del(&bss->wiphy_list); | |
735 | ||
736 | /* still any for this drv present? */ | |
737 | dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { | |
738 | if (tmp_bss->drv == bss->drv) { | |
739 | found = 1; | |
740 | break; | |
741 | } | |
742 | } | |
743 | /* if not remove it */ | |
744 | if (!found) | |
745 | dl_list_del(&bss->drv->wiphy_list); | |
746 | ||
747 | if (!dl_list_empty(&w->bsss)) | |
748 | return; | |
749 | ||
481234cf | 750 | eloop_unregister_read_sock(nl_socket_get_fd(w->nl_beacons)); |
e32ad281 JB |
751 | |
752 | nl_cb_put(w->nl_cb); | |
753 | nl_destroy_handles(&w->nl_beacons); | |
754 | dl_list_del(&w->list); | |
755 | os_free(w); | |
756 | } | |
757 | ||
758 | ||
3f5285e8 JM |
759 | static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid) |
760 | { | |
a2e40bb6 FF |
761 | struct i802_bss *bss = priv; |
762 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
c2a04078 JM |
763 | if (!drv->associated) |
764 | return -1; | |
765 | os_memcpy(bssid, drv->bssid, ETH_ALEN); | |
766 | return 0; | |
3f5285e8 JM |
767 | } |
768 | ||
769 | ||
3f5285e8 JM |
770 | static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid) |
771 | { | |
a2e40bb6 FF |
772 | struct i802_bss *bss = priv; |
773 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
fd05d64e JM |
774 | if (!drv->associated) |
775 | return -1; | |
776 | os_memcpy(ssid, drv->ssid, drv->ssid_len); | |
777 | return drv->ssid_len; | |
3f5285e8 JM |
778 | } |
779 | ||
780 | ||
7524cfb1 | 781 | static void wpa_driver_nl80211_event_link(struct wpa_driver_nl80211_data *drv, |
08063178 | 782 | char *buf, size_t len, int del) |
3f5285e8 JM |
783 | { |
784 | union wpa_event_data event; | |
785 | ||
786 | os_memset(&event, 0, sizeof(event)); | |
787 | if (len > sizeof(event.interface_status.ifname)) | |
788 | len = sizeof(event.interface_status.ifname) - 1; | |
789 | os_memcpy(event.interface_status.ifname, buf, len); | |
790 | event.interface_status.ievent = del ? EVENT_INTERFACE_REMOVED : | |
791 | EVENT_INTERFACE_ADDED; | |
792 | ||
793 | wpa_printf(MSG_DEBUG, "RTM_%sLINK, IFLA_IFNAME: Interface '%s' %s", | |
794 | del ? "DEL" : "NEW", | |
795 | event.interface_status.ifname, | |
796 | del ? "removed" : "added"); | |
797 | ||
a2e40bb6 | 798 | if (os_strcmp(drv->first_bss.ifname, event.interface_status.ifname) == 0) { |
d1f4942b JM |
799 | if (del) { |
800 | if (drv->if_removed) { | |
801 | wpa_printf(MSG_DEBUG, "nl80211: if_removed " | |
802 | "already set - ignore event"); | |
803 | return; | |
804 | } | |
7524cfb1 | 805 | drv->if_removed = 1; |
d1f4942b JM |
806 | } else { |
807 | if (if_nametoindex(drv->first_bss.ifname) == 0) { | |
808 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s " | |
809 | "does not exist - ignore " | |
810 | "RTM_NEWLINK", | |
811 | drv->first_bss.ifname); | |
812 | return; | |
813 | } | |
814 | if (!drv->if_removed) { | |
815 | wpa_printf(MSG_DEBUG, "nl80211: if_removed " | |
816 | "already cleared - ignore event"); | |
817 | return; | |
818 | } | |
7524cfb1 | 819 | drv->if_removed = 0; |
d1f4942b | 820 | } |
7524cfb1 JM |
821 | } |
822 | ||
08063178 | 823 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); |
3f5285e8 JM |
824 | } |
825 | ||
826 | ||
7524cfb1 | 827 | static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv, |
62d680c3 | 828 | u8 *buf, size_t len) |
7524cfb1 | 829 | { |
62d680c3 | 830 | int attrlen, rta_len; |
7524cfb1 JM |
831 | struct rtattr *attr; |
832 | ||
62d680c3 JM |
833 | attrlen = len; |
834 | attr = (struct rtattr *) buf; | |
7524cfb1 JM |
835 | |
836 | rta_len = RTA_ALIGN(sizeof(struct rtattr)); | |
837 | while (RTA_OK(attr, attrlen)) { | |
838 | if (attr->rta_type == IFLA_IFNAME) { | |
a2e40bb6 | 839 | if (os_strcmp(((char *) attr) + rta_len, drv->first_bss.ifname) |
7524cfb1 JM |
840 | == 0) |
841 | return 1; | |
842 | else | |
843 | break; | |
844 | } | |
845 | attr = RTA_NEXT(attr, attrlen); | |
846 | } | |
847 | ||
848 | return 0; | |
849 | } | |
850 | ||
851 | ||
852 | static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv, | |
62d680c3 | 853 | int ifindex, u8 *buf, size_t len) |
7524cfb1 JM |
854 | { |
855 | if (drv->ifindex == ifindex) | |
856 | return 1; | |
857 | ||
62d680c3 | 858 | if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) { |
a2e40bb6 | 859 | drv->first_bss.ifindex = if_nametoindex(drv->first_bss.ifname); |
7524cfb1 JM |
860 | wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed " |
861 | "interface"); | |
862 | wpa_driver_nl80211_finish_drv_init(drv); | |
863 | return 1; | |
864 | } | |
865 | ||
866 | return 0; | |
867 | } | |
868 | ||
869 | ||
36d84860 BG |
870 | static struct wpa_driver_nl80211_data * |
871 | nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len) | |
872 | { | |
873 | struct wpa_driver_nl80211_data *drv; | |
874 | dl_list_for_each(drv, &global->interfaces, | |
875 | struct wpa_driver_nl80211_data, list) { | |
876 | if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) || | |
877 | have_ifidx(drv, idx)) | |
878 | return drv; | |
879 | } | |
880 | return NULL; | |
881 | } | |
882 | ||
883 | ||
62d680c3 JM |
884 | static void wpa_driver_nl80211_event_rtm_newlink(void *ctx, |
885 | struct ifinfomsg *ifi, | |
886 | u8 *buf, size_t len) | |
3f5285e8 | 887 | { |
36d84860 BG |
888 | struct nl80211_global *global = ctx; |
889 | struct wpa_driver_nl80211_data *drv; | |
62d680c3 JM |
890 | int attrlen, rta_len; |
891 | struct rtattr *attr; | |
97cfcf64 | 892 | u32 brid = 0; |
aef85ba2 | 893 | char namebuf[IFNAMSIZ]; |
3f5285e8 | 894 | |
36d84860 BG |
895 | drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); |
896 | if (!drv) { | |
97cfcf64 B |
897 | wpa_printf(MSG_DEBUG, "nl80211: Ignore event for foreign " |
898 | "ifindex %d", ifi->ifi_index); | |
3f5285e8 JM |
899 | return; |
900 | } | |
901 | ||
902 | wpa_printf(MSG_DEBUG, "RTM_NEWLINK: operstate=%d ifi_flags=0x%x " | |
903 | "(%s%s%s%s)", | |
904 | drv->operstate, ifi->ifi_flags, | |
905 | (ifi->ifi_flags & IFF_UP) ? "[UP]" : "", | |
906 | (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", | |
907 | (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", | |
908 | (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); | |
a63063b4 JM |
909 | |
910 | if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) { | |
59d24925 JM |
911 | if (if_indextoname(ifi->ifi_index, namebuf) && |
912 | linux_iface_up(drv->global->ioctl_sock, | |
913 | drv->first_bss.ifname) > 0) { | |
914 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " | |
915 | "event since interface %s is up", namebuf); | |
916 | return; | |
917 | } | |
a63063b4 | 918 | wpa_printf(MSG_DEBUG, "nl80211: Interface down"); |
7d9c3698 JM |
919 | if (drv->ignore_if_down_event) { |
920 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " | |
921 | "event generated by mode change"); | |
922 | drv->ignore_if_down_event = 0; | |
923 | } else { | |
924 | drv->if_disabled = 1; | |
925 | wpa_supplicant_event(drv->ctx, | |
926 | EVENT_INTERFACE_DISABLED, NULL); | |
927 | } | |
a63063b4 JM |
928 | } |
929 | ||
930 | if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) { | |
aef85ba2 JM |
931 | if (if_indextoname(ifi->ifi_index, namebuf) && |
932 | linux_iface_up(drv->global->ioctl_sock, | |
933 | drv->first_bss.ifname) == 0) { | |
934 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
935 | "event since interface %s is down", | |
936 | namebuf); | |
d1f4942b JM |
937 | } else if (if_nametoindex(drv->first_bss.ifname) == 0) { |
938 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
939 | "event since interface %s does not exist", | |
940 | drv->first_bss.ifname); | |
941 | } else if (drv->if_removed) { | |
942 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
943 | "event since interface %s is marked " | |
944 | "removed", drv->first_bss.ifname); | |
aef85ba2 JM |
945 | } else { |
946 | wpa_printf(MSG_DEBUG, "nl80211: Interface up"); | |
947 | drv->if_disabled = 0; | |
948 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, | |
949 | NULL); | |
950 | } | |
a63063b4 JM |
951 | } |
952 | ||
3f5285e8 JM |
953 | /* |
954 | * Some drivers send the association event before the operup event--in | |
955 | * this case, lifting operstate in wpa_driver_nl80211_set_operstate() | |
956 | * fails. This will hit us when wpa_supplicant does not need to do | |
957 | * IEEE 802.1X authentication | |
958 | */ | |
959 | if (drv->operstate == 1 && | |
960 | (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP && | |
961 | !(ifi->ifi_flags & IFF_RUNNING)) | |
36d84860 | 962 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, |
e2d02c29 | 963 | -1, IF_OPER_UP); |
3f5285e8 | 964 | |
62d680c3 JM |
965 | attrlen = len; |
966 | attr = (struct rtattr *) buf; | |
3f5285e8 JM |
967 | rta_len = RTA_ALIGN(sizeof(struct rtattr)); |
968 | while (RTA_OK(attr, attrlen)) { | |
d8816397 | 969 | if (attr->rta_type == IFLA_IFNAME) { |
7524cfb1 | 970 | wpa_driver_nl80211_event_link( |
08063178 | 971 | drv, |
7524cfb1 JM |
972 | ((char *) attr) + rta_len, |
973 | attr->rta_len - rta_len, 0); | |
97cfcf64 B |
974 | } else if (attr->rta_type == IFLA_MASTER) |
975 | brid = nla_get_u32((struct nlattr *) attr); | |
3f5285e8 JM |
976 | attr = RTA_NEXT(attr, attrlen); |
977 | } | |
97cfcf64 B |
978 | |
979 | if (ifi->ifi_family == AF_BRIDGE && brid) { | |
980 | /* device has been added to bridge */ | |
97cfcf64 B |
981 | if_indextoname(brid, namebuf); |
982 | wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s", | |
983 | brid, namebuf); | |
984 | add_ifidx(drv, brid); | |
985 | } | |
3f5285e8 JM |
986 | } |
987 | ||
988 | ||
62d680c3 JM |
989 | static void wpa_driver_nl80211_event_rtm_dellink(void *ctx, |
990 | struct ifinfomsg *ifi, | |
991 | u8 *buf, size_t len) | |
3f5285e8 | 992 | { |
36d84860 BG |
993 | struct nl80211_global *global = ctx; |
994 | struct wpa_driver_nl80211_data *drv; | |
62d680c3 JM |
995 | int attrlen, rta_len; |
996 | struct rtattr *attr; | |
97cfcf64 | 997 | u32 brid = 0; |
3f5285e8 | 998 | |
36d84860 BG |
999 | drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); |
1000 | if (!drv) { | |
1001 | wpa_printf(MSG_DEBUG, "nl80211: Ignore dellink event for " | |
1002 | "foreign ifindex %d", ifi->ifi_index); | |
1003 | return; | |
1004 | } | |
1005 | ||
62d680c3 JM |
1006 | attrlen = len; |
1007 | attr = (struct rtattr *) buf; | |
3f5285e8 JM |
1008 | |
1009 | rta_len = RTA_ALIGN(sizeof(struct rtattr)); | |
1010 | while (RTA_OK(attr, attrlen)) { | |
1011 | if (attr->rta_type == IFLA_IFNAME) { | |
7524cfb1 | 1012 | wpa_driver_nl80211_event_link( |
08063178 | 1013 | drv, |
7524cfb1 JM |
1014 | ((char *) attr) + rta_len, |
1015 | attr->rta_len - rta_len, 1); | |
97cfcf64 B |
1016 | } else if (attr->rta_type == IFLA_MASTER) |
1017 | brid = nla_get_u32((struct nlattr *) attr); | |
3f5285e8 JM |
1018 | attr = RTA_NEXT(attr, attrlen); |
1019 | } | |
97cfcf64 B |
1020 | |
1021 | if (ifi->ifi_family == AF_BRIDGE && brid) { | |
1022 | /* device has been removed from bridge */ | |
1023 | char namebuf[IFNAMSIZ]; | |
1024 | if_indextoname(brid, namebuf); | |
1025 | wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge " | |
1026 | "%s", brid, namebuf); | |
1027 | del_ifidx(drv, brid); | |
1028 | } | |
3f5285e8 JM |
1029 | } |
1030 | ||
1031 | ||
c2a04078 JM |
1032 | static void mlme_event_auth(struct wpa_driver_nl80211_data *drv, |
1033 | const u8 *frame, size_t len) | |
1034 | { | |
1035 | const struct ieee80211_mgmt *mgmt; | |
1036 | union wpa_event_data event; | |
1037 | ||
7d81932d | 1038 | wpa_printf(MSG_DEBUG, "nl80211: Authenticate event"); |
c2a04078 JM |
1039 | mgmt = (const struct ieee80211_mgmt *) frame; |
1040 | if (len < 24 + sizeof(mgmt->u.auth)) { | |
1041 | wpa_printf(MSG_DEBUG, "nl80211: Too short association event " | |
1042 | "frame"); | |
1043 | return; | |
1044 | } | |
1045 | ||
e6b8efeb | 1046 | os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN); |
c2a04078 JM |
1047 | os_memset(&event, 0, sizeof(event)); |
1048 | os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN); | |
1049 | event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg); | |
569fed90 JM |
1050 | event.auth.auth_transaction = |
1051 | le_to_host16(mgmt->u.auth.auth_transaction); | |
c2a04078 JM |
1052 | event.auth.status_code = le_to_host16(mgmt->u.auth.status_code); |
1053 | if (len > 24 + sizeof(mgmt->u.auth)) { | |
1054 | event.auth.ies = mgmt->u.auth.variable; | |
1055 | event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth); | |
1056 | } | |
1057 | ||
1058 | wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event); | |
1059 | } | |
1060 | ||
1061 | ||
f5a8d422 JM |
1062 | static unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv) |
1063 | { | |
1064 | struct nl_msg *msg; | |
1065 | int ret; | |
1066 | struct nl80211_bss_info_arg arg; | |
1067 | ||
1068 | os_memset(&arg, 0, sizeof(arg)); | |
1069 | msg = nlmsg_alloc(); | |
1070 | if (!msg) | |
1071 | goto nla_put_failure; | |
1072 | ||
9fb04070 | 1073 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN); |
f5a8d422 JM |
1074 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
1075 | ||
1076 | arg.drv = drv; | |
1077 | ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg); | |
1078 | msg = NULL; | |
1079 | if (ret == 0) { | |
1080 | wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the " | |
1081 | "associated BSS from scan results: %u MHz", | |
1082 | arg.assoc_freq); | |
1083 | return arg.assoc_freq ? arg.assoc_freq : drv->assoc_freq; | |
1084 | } | |
1085 | wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " | |
1086 | "(%s)", ret, strerror(-ret)); | |
1087 | nla_put_failure: | |
1088 | nlmsg_free(msg); | |
1089 | return drv->assoc_freq; | |
1090 | } | |
1091 | ||
1092 | ||
c2a04078 JM |
1093 | static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv, |
1094 | const u8 *frame, size_t len) | |
1095 | { | |
1096 | const struct ieee80211_mgmt *mgmt; | |
1097 | union wpa_event_data event; | |
1098 | u16 status; | |
1099 | ||
7d81932d | 1100 | wpa_printf(MSG_DEBUG, "nl80211: Associate event"); |
c2a04078 JM |
1101 | mgmt = (const struct ieee80211_mgmt *) frame; |
1102 | if (len < 24 + sizeof(mgmt->u.assoc_resp)) { | |
1103 | wpa_printf(MSG_DEBUG, "nl80211: Too short association event " | |
1104 | "frame"); | |
1105 | return; | |
1106 | } | |
1107 | ||
1108 | status = le_to_host16(mgmt->u.assoc_resp.status_code); | |
1109 | if (status != WLAN_STATUS_SUCCESS) { | |
efa46078 | 1110 | os_memset(&event, 0, sizeof(event)); |
59ddf221 | 1111 | event.assoc_reject.bssid = mgmt->bssid; |
efa46078 JM |
1112 | if (len > 24 + sizeof(mgmt->u.assoc_resp)) { |
1113 | event.assoc_reject.resp_ies = | |
1114 | (u8 *) mgmt->u.assoc_resp.variable; | |
1115 | event.assoc_reject.resp_ies_len = | |
1116 | len - 24 - sizeof(mgmt->u.assoc_resp); | |
1117 | } | |
1118 | event.assoc_reject.status_code = status; | |
1119 | ||
1120 | wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event); | |
c2a04078 JM |
1121 | return; |
1122 | } | |
1123 | ||
1124 | drv->associated = 1; | |
1125 | os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN); | |
1126 | ||
1127 | os_memset(&event, 0, sizeof(event)); | |
1128 | if (len > 24 + sizeof(mgmt->u.assoc_resp)) { | |
1129 | event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable; | |
1130 | event.assoc_info.resp_ies_len = | |
efa46078 | 1131 | len - 24 - sizeof(mgmt->u.assoc_resp); |
c2a04078 JM |
1132 | } |
1133 | ||
4832ecd7 JM |
1134 | event.assoc_info.freq = drv->assoc_freq; |
1135 | ||
c2a04078 JM |
1136 | wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event); |
1137 | } | |
1138 | ||
c1bb3e0a | 1139 | |
da72a1c1 ZY |
1140 | static void mlme_event_connect(struct wpa_driver_nl80211_data *drv, |
1141 | enum nl80211_commands cmd, struct nlattr *status, | |
1142 | struct nlattr *addr, struct nlattr *req_ie, | |
1143 | struct nlattr *resp_ie) | |
1144 | { | |
1145 | union wpa_event_data event; | |
1146 | ||
7da2c527 JM |
1147 | if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { |
1148 | /* | |
1149 | * Avoid reporting two association events that would confuse | |
1150 | * the core code. | |
1151 | */ | |
1152 | wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) " | |
1153 | "when using userspace SME", cmd); | |
1154 | return; | |
1155 | } | |
1156 | ||
7d81932d JM |
1157 | if (cmd == NL80211_CMD_CONNECT) |
1158 | wpa_printf(MSG_DEBUG, "nl80211: Connect event"); | |
1159 | else if (cmd == NL80211_CMD_ROAM) | |
1160 | wpa_printf(MSG_DEBUG, "nl80211: Roam event"); | |
1161 | ||
da72a1c1 ZY |
1162 | os_memset(&event, 0, sizeof(event)); |
1163 | if (cmd == NL80211_CMD_CONNECT && | |
1164 | nla_get_u16(status) != WLAN_STATUS_SUCCESS) { | |
df89c1c8 JM |
1165 | if (addr) |
1166 | event.assoc_reject.bssid = nla_data(addr); | |
da72a1c1 ZY |
1167 | if (resp_ie) { |
1168 | event.assoc_reject.resp_ies = nla_data(resp_ie); | |
1169 | event.assoc_reject.resp_ies_len = nla_len(resp_ie); | |
1170 | } | |
1171 | event.assoc_reject.status_code = nla_get_u16(status); | |
1172 | wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event); | |
1173 | return; | |
1174 | } | |
1175 | ||
1176 | drv->associated = 1; | |
1177 | if (addr) | |
1178 | os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN); | |
1179 | ||
1180 | if (req_ie) { | |
1181 | event.assoc_info.req_ies = nla_data(req_ie); | |
1182 | event.assoc_info.req_ies_len = nla_len(req_ie); | |
1183 | } | |
1184 | if (resp_ie) { | |
1185 | event.assoc_info.resp_ies = nla_data(resp_ie); | |
1186 | event.assoc_info.resp_ies_len = nla_len(resp_ie); | |
1187 | } | |
1188 | ||
f5a8d422 JM |
1189 | event.assoc_info.freq = nl80211_get_assoc_freq(drv); |
1190 | ||
da72a1c1 ZY |
1191 | wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event); |
1192 | } | |
c2a04078 | 1193 | |
c1bb3e0a | 1194 | |
20f5a4c2 | 1195 | static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv, |
3d9975d5 JM |
1196 | struct nlattr *reason, struct nlattr *addr, |
1197 | struct nlattr *by_ap) | |
20f5a4c2 JM |
1198 | { |
1199 | union wpa_event_data data; | |
a8c5b43a | 1200 | unsigned int locally_generated = by_ap == NULL; |
20f5a4c2 JM |
1201 | |
1202 | if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { | |
1203 | /* | |
1204 | * Avoid reporting two disassociation events that could | |
1205 | * confuse the core code. | |
1206 | */ | |
1207 | wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect " | |
1208 | "event when using userspace SME"); | |
1209 | return; | |
1210 | } | |
1211 | ||
a8c5b43a CW |
1212 | if (drv->ignore_next_local_disconnect) { |
1213 | drv->ignore_next_local_disconnect = 0; | |
1214 | if (locally_generated) { | |
1215 | wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect " | |
1216 | "event triggered during reassociation"); | |
1217 | return; | |
1218 | } | |
1219 | wpa_printf(MSG_WARNING, "nl80211: Was expecting local " | |
1220 | "disconnect but got another disconnect " | |
1221 | "event first"); | |
1222 | } | |
1223 | ||
7d81932d | 1224 | wpa_printf(MSG_DEBUG, "nl80211: Disconnect event"); |
20f5a4c2 JM |
1225 | drv->associated = 0; |
1226 | os_memset(&data, 0, sizeof(data)); | |
1227 | if (reason) | |
2e9f078c JM |
1228 | data.deauth_info.reason_code = nla_get_u16(reason); |
1229 | data.deauth_info.locally_generated = by_ap == NULL; | |
1230 | wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data); | |
20f5a4c2 JM |
1231 | } |
1232 | ||
1233 | ||
1b487b8b TP |
1234 | static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv, |
1235 | struct nlattr *freq, struct nlattr *type) | |
1236 | { | |
1237 | union wpa_event_data data; | |
1238 | int ht_enabled = 1; | |
1239 | int chan_offset = 0; | |
1240 | ||
1241 | wpa_printf(MSG_DEBUG, "nl80211: Channel switch event"); | |
1242 | ||
1243 | if (!freq || !type) | |
1244 | return; | |
1245 | ||
1246 | switch (nla_get_u32(type)) { | |
1247 | case NL80211_CHAN_NO_HT: | |
1248 | ht_enabled = 0; | |
1249 | break; | |
1250 | case NL80211_CHAN_HT20: | |
1251 | break; | |
1252 | case NL80211_CHAN_HT40PLUS: | |
1253 | chan_offset = 1; | |
1254 | break; | |
1255 | case NL80211_CHAN_HT40MINUS: | |
1256 | chan_offset = -1; | |
1257 | break; | |
1258 | } | |
1259 | ||
1260 | data.ch_switch.freq = nla_get_u32(freq); | |
1261 | data.ch_switch.ht_enabled = ht_enabled; | |
1262 | data.ch_switch.ch_offset = chan_offset; | |
1263 | ||
1264 | wpa_supplicant_event(drv->ctx, EVENT_CH_SWITCH, &data); | |
1265 | } | |
1266 | ||
1267 | ||
da1fb17c JM |
1268 | static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv, |
1269 | enum nl80211_commands cmd, struct nlattr *addr) | |
1270 | { | |
1271 | union wpa_event_data event; | |
1272 | enum wpa_event_type ev; | |
1273 | ||
1274 | if (nla_len(addr) != ETH_ALEN) | |
1275 | return; | |
1276 | ||
1277 | wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR, | |
1278 | cmd, MAC2STR((u8 *) nla_data(addr))); | |
1279 | ||
1280 | if (cmd == NL80211_CMD_AUTHENTICATE) | |
1281 | ev = EVENT_AUTH_TIMED_OUT; | |
1282 | else if (cmd == NL80211_CMD_ASSOCIATE) | |
1283 | ev = EVENT_ASSOC_TIMED_OUT; | |
1284 | else | |
1285 | return; | |
1286 | ||
1287 | os_memset(&event, 0, sizeof(event)); | |
1288 | os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN); | |
1289 | wpa_supplicant_event(drv->ctx, ev, &event); | |
1290 | } | |
1291 | ||
1292 | ||
5582a5d1 | 1293 | static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv, |
da873dbb JB |
1294 | struct nlattr *freq, struct nlattr *sig, |
1295 | const u8 *frame, size_t len) | |
58f6fbe0 JM |
1296 | { |
1297 | const struct ieee80211_mgmt *mgmt; | |
1298 | union wpa_event_data event; | |
1299 | u16 fc, stype; | |
da873dbb | 1300 | int ssi_signal = 0; |
58f6fbe0 | 1301 | |
7d81932d | 1302 | wpa_printf(MSG_DEBUG, "nl80211: Frame event"); |
58f6fbe0 JM |
1303 | mgmt = (const struct ieee80211_mgmt *) frame; |
1304 | if (len < 24) { | |
1305 | wpa_printf(MSG_DEBUG, "nl80211: Too short action frame"); | |
1306 | return; | |
1307 | } | |
1308 | ||
1309 | fc = le_to_host16(mgmt->frame_control); | |
1310 | stype = WLAN_FC_GET_STYPE(fc); | |
1311 | ||
da873dbb JB |
1312 | if (sig) |
1313 | ssi_signal = (s32) nla_get_u32(sig); | |
1314 | ||
58f6fbe0 | 1315 | os_memset(&event, 0, sizeof(event)); |
5582a5d1 | 1316 | if (freq) { |
58f6fbe0 | 1317 | event.rx_action.freq = nla_get_u32(freq); |
5582a5d1 JB |
1318 | drv->last_mgmt_freq = event.rx_action.freq; |
1319 | } | |
1320 | if (stype == WLAN_FC_STYPE_ACTION) { | |
1321 | event.rx_action.da = mgmt->da; | |
1322 | event.rx_action.sa = mgmt->sa; | |
1323 | event.rx_action.bssid = mgmt->bssid; | |
1324 | event.rx_action.category = mgmt->u.action.category; | |
1325 | event.rx_action.data = &mgmt->u.action.category + 1; | |
1326 | event.rx_action.len = frame + len - event.rx_action.data; | |
1327 | wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event); | |
1328 | } else { | |
1329 | event.rx_mgmt.frame = frame; | |
1330 | event.rx_mgmt.frame_len = len; | |
da873dbb | 1331 | event.rx_mgmt.ssi_signal = ssi_signal; |
5582a5d1 JB |
1332 | wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); |
1333 | } | |
58f6fbe0 JM |
1334 | } |
1335 | ||
1336 | ||
a11241fa JB |
1337 | static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv, |
1338 | struct nlattr *cookie, const u8 *frame, | |
1339 | size_t len, struct nlattr *ack) | |
58f6fbe0 JM |
1340 | { |
1341 | union wpa_event_data event; | |
1342 | const struct ieee80211_hdr *hdr; | |
1343 | u16 fc; | |
58f6fbe0 | 1344 | |
7d81932d | 1345 | wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event"); |
a11241fa JB |
1346 | if (!is_ap_interface(drv->nlmode)) { |
1347 | u64 cookie_val; | |
58f6fbe0 | 1348 | |
a11241fa JB |
1349 | if (!cookie) |
1350 | return; | |
1351 | ||
1352 | cookie_val = nla_get_u64(cookie); | |
1353 | wpa_printf(MSG_DEBUG, "nl80211: Action TX status:" | |
1354 | " cookie=0%llx%s (ack=%d)", | |
1355 | (long long unsigned int) cookie_val, | |
1356 | cookie_val == drv->send_action_cookie ? | |
1357 | " (match)" : " (unknown)", ack != NULL); | |
1358 | if (cookie_val != drv->send_action_cookie) | |
1359 | return; | |
1360 | } | |
58f6fbe0 JM |
1361 | |
1362 | hdr = (const struct ieee80211_hdr *) frame; | |
1363 | fc = le_to_host16(hdr->frame_control); | |
1364 | ||
1365 | os_memset(&event, 0, sizeof(event)); | |
1366 | event.tx_status.type = WLAN_FC_GET_TYPE(fc); | |
1367 | event.tx_status.stype = WLAN_FC_GET_STYPE(fc); | |
1368 | event.tx_status.dst = hdr->addr1; | |
1369 | event.tx_status.data = frame; | |
1370 | event.tx_status.data_len = len; | |
1371 | event.tx_status.ack = ack != NULL; | |
1372 | wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event); | |
1373 | } | |
1374 | ||
1375 | ||
0544b242 JM |
1376 | static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv, |
1377 | enum wpa_event_type type, | |
1378 | const u8 *frame, size_t len) | |
1379 | { | |
1380 | const struct ieee80211_mgmt *mgmt; | |
1381 | union wpa_event_data event; | |
1382 | const u8 *bssid = NULL; | |
1383 | u16 reason_code = 0; | |
1384 | ||
7d81932d JM |
1385 | if (type == EVENT_DEAUTH) |
1386 | wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event"); | |
1387 | else | |
1388 | wpa_printf(MSG_DEBUG, "nl80211: Disassociate event"); | |
1389 | ||
cb30b297 PS |
1390 | mgmt = (const struct ieee80211_mgmt *) frame; |
1391 | if (len >= 24) { | |
1392 | bssid = mgmt->bssid; | |
1393 | ||
1394 | if (drv->associated != 0 && | |
1395 | os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 && | |
1396 | os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) { | |
1397 | /* | |
1398 | * We have presumably received this deauth as a | |
1399 | * response to a clear_state_mismatch() outgoing | |
1400 | * deauth. Don't let it take us offline! | |
1401 | */ | |
1402 | wpa_printf(MSG_DEBUG, "nl80211: Deauth received " | |
1403 | "from Unknown BSSID " MACSTR " -- ignoring", | |
1404 | MAC2STR(bssid)); | |
1405 | return; | |
1406 | } | |
1407 | } | |
1408 | ||
0544b242 JM |
1409 | drv->associated = 0; |
1410 | os_memset(&event, 0, sizeof(event)); | |
1411 | ||
0544b242 JM |
1412 | /* Note: Same offset for Reason Code in both frame subtypes */ |
1413 | if (len >= 24 + sizeof(mgmt->u.deauth)) | |
1414 | reason_code = le_to_host16(mgmt->u.deauth.reason_code); | |
1415 | ||
1416 | if (type == EVENT_DISASSOC) { | |
3d9975d5 JM |
1417 | event.disassoc_info.locally_generated = |
1418 | !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN); | |
0544b242 JM |
1419 | event.disassoc_info.addr = bssid; |
1420 | event.disassoc_info.reason_code = reason_code; | |
046b26a2 JM |
1421 | if (frame + len > mgmt->u.disassoc.variable) { |
1422 | event.disassoc_info.ie = mgmt->u.disassoc.variable; | |
1423 | event.disassoc_info.ie_len = frame + len - | |
1424 | mgmt->u.disassoc.variable; | |
1425 | } | |
0544b242 | 1426 | } else { |
3d9975d5 JM |
1427 | event.deauth_info.locally_generated = |
1428 | !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN); | |
0544b242 JM |
1429 | event.deauth_info.addr = bssid; |
1430 | event.deauth_info.reason_code = reason_code; | |
046b26a2 JM |
1431 | if (frame + len > mgmt->u.deauth.variable) { |
1432 | event.deauth_info.ie = mgmt->u.deauth.variable; | |
1433 | event.deauth_info.ie_len = frame + len - | |
1434 | mgmt->u.deauth.variable; | |
1435 | } | |
0544b242 JM |
1436 | } |
1437 | ||
1438 | wpa_supplicant_event(drv->ctx, type, &event); | |
1439 | } | |
1440 | ||
1441 | ||
7d878ca7 JM |
1442 | static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv, |
1443 | enum wpa_event_type type, | |
1444 | const u8 *frame, size_t len) | |
1445 | { | |
1446 | const struct ieee80211_mgmt *mgmt; | |
1447 | union wpa_event_data event; | |
1448 | u16 reason_code = 0; | |
1449 | ||
7d81932d JM |
1450 | if (type == EVENT_UNPROT_DEAUTH) |
1451 | wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event"); | |
1452 | else | |
1453 | wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event"); | |
1454 | ||
7d878ca7 JM |
1455 | if (len < 24) |
1456 | return; | |
1457 | ||
1458 | mgmt = (const struct ieee80211_mgmt *) frame; | |
1459 | ||
1460 | os_memset(&event, 0, sizeof(event)); | |
1461 | /* Note: Same offset for Reason Code in both frame subtypes */ | |
1462 | if (len >= 24 + sizeof(mgmt->u.deauth)) | |
1463 | reason_code = le_to_host16(mgmt->u.deauth.reason_code); | |
1464 | ||
1465 | if (type == EVENT_UNPROT_DISASSOC) { | |
1466 | event.unprot_disassoc.sa = mgmt->sa; | |
1467 | event.unprot_disassoc.da = mgmt->da; | |
1468 | event.unprot_disassoc.reason_code = reason_code; | |
1469 | } else { | |
1470 | event.unprot_deauth.sa = mgmt->sa; | |
1471 | event.unprot_deauth.da = mgmt->da; | |
1472 | event.unprot_deauth.reason_code = reason_code; | |
1473 | } | |
1474 | ||
1475 | wpa_supplicant_event(drv->ctx, type, &event); | |
1476 | } | |
1477 | ||
1478 | ||
c2a04078 | 1479 | static void mlme_event(struct wpa_driver_nl80211_data *drv, |
da1fb17c | 1480 | enum nl80211_commands cmd, struct nlattr *frame, |
58f6fbe0 JM |
1481 | struct nlattr *addr, struct nlattr *timed_out, |
1482 | struct nlattr *freq, struct nlattr *ack, | |
da873dbb | 1483 | struct nlattr *cookie, struct nlattr *sig) |
c2a04078 | 1484 | { |
da1fb17c JM |
1485 | if (timed_out && addr) { |
1486 | mlme_timeout_event(drv, cmd, addr); | |
1487 | return; | |
1488 | } | |
1489 | ||
c2a04078 JM |
1490 | if (frame == NULL) { |
1491 | wpa_printf(MSG_DEBUG, "nl80211: MLME event %d without frame " | |
1492 | "data", cmd); | |
1493 | return; | |
1494 | } | |
1495 | ||
1496 | wpa_printf(MSG_DEBUG, "nl80211: MLME event %d", cmd); | |
1497 | wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame", | |
1498 | nla_data(frame), nla_len(frame)); | |
1499 | ||
1500 | switch (cmd) { | |
1501 | case NL80211_CMD_AUTHENTICATE: | |
1502 | mlme_event_auth(drv, nla_data(frame), nla_len(frame)); | |
1503 | break; | |
1504 | case NL80211_CMD_ASSOCIATE: | |
1505 | mlme_event_assoc(drv, nla_data(frame), nla_len(frame)); | |
1506 | break; | |
1507 | case NL80211_CMD_DEAUTHENTICATE: | |
0544b242 JM |
1508 | mlme_event_deauth_disassoc(drv, EVENT_DEAUTH, |
1509 | nla_data(frame), nla_len(frame)); | |
c2a04078 JM |
1510 | break; |
1511 | case NL80211_CMD_DISASSOCIATE: | |
0544b242 JM |
1512 | mlme_event_deauth_disassoc(drv, EVENT_DISASSOC, |
1513 | nla_data(frame), nla_len(frame)); | |
c2a04078 | 1514 | break; |
bd94971e | 1515 | case NL80211_CMD_FRAME: |
da873dbb JB |
1516 | mlme_event_mgmt(drv, freq, sig, nla_data(frame), |
1517 | nla_len(frame)); | |
58f6fbe0 | 1518 | break; |
bd94971e | 1519 | case NL80211_CMD_FRAME_TX_STATUS: |
a11241fa JB |
1520 | mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame), |
1521 | nla_len(frame), ack); | |
58f6fbe0 | 1522 | break; |
7d878ca7 JM |
1523 | case NL80211_CMD_UNPROT_DEAUTHENTICATE: |
1524 | mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH, | |
1525 | nla_data(frame), nla_len(frame)); | |
1526 | break; | |
1527 | case NL80211_CMD_UNPROT_DISASSOCIATE: | |
1528 | mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC, | |
1529 | nla_data(frame), nla_len(frame)); | |
1530 | break; | |
c2a04078 JM |
1531 | default: |
1532 | break; | |
1533 | } | |
1534 | } | |
1535 | ||
1536 | ||
a5e1eb20 | 1537 | static void mlme_event_michael_mic_failure(struct i802_bss *bss, |
35583f3f JM |
1538 | struct nlattr *tb[]) |
1539 | { | |
1540 | union wpa_event_data data; | |
1541 | ||
1542 | wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure"); | |
1543 | os_memset(&data, 0, sizeof(data)); | |
1544 | if (tb[NL80211_ATTR_MAC]) { | |
1545 | wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address", | |
1546 | nla_data(tb[NL80211_ATTR_MAC]), | |
1547 | nla_len(tb[NL80211_ATTR_MAC])); | |
ad1e68e6 | 1548 | data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]); |
35583f3f JM |
1549 | } |
1550 | if (tb[NL80211_ATTR_KEY_SEQ]) { | |
1551 | wpa_hexdump(MSG_DEBUG, "nl80211: TSC", | |
1552 | nla_data(tb[NL80211_ATTR_KEY_SEQ]), | |
1553 | nla_len(tb[NL80211_ATTR_KEY_SEQ])); | |
1554 | } | |
1555 | if (tb[NL80211_ATTR_KEY_TYPE]) { | |
1556 | enum nl80211_key_type key_type = | |
1557 | nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]); | |
1558 | wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type); | |
1559 | if (key_type == NL80211_KEYTYPE_PAIRWISE) | |
1560 | data.michael_mic_failure.unicast = 1; | |
1561 | } else | |
1562 | data.michael_mic_failure.unicast = 1; | |
1563 | ||
1564 | if (tb[NL80211_ATTR_KEY_IDX]) { | |
1565 | u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]); | |
1566 | wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id); | |
1567 | } | |
1568 | ||
a5e1eb20 | 1569 | wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data); |
35583f3f JM |
1570 | } |
1571 | ||
1572 | ||
5cc4d64b JM |
1573 | static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv, |
1574 | struct nlattr *tb[]) | |
1575 | { | |
1576 | if (tb[NL80211_ATTR_MAC] == NULL) { | |
1577 | wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined " | |
1578 | "event"); | |
1579 | return; | |
1580 | } | |
1581 | os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); | |
1582 | drv->associated = 1; | |
1583 | wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined", | |
1584 | MAC2STR(drv->bssid)); | |
1585 | ||
1586 | wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL); | |
1587 | } | |
1588 | ||
1589 | ||
55777702 JM |
1590 | static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv, |
1591 | int cancel_event, struct nlattr *tb[]) | |
1592 | { | |
1593 | unsigned int freq, chan_type, duration; | |
1594 | union wpa_event_data data; | |
1595 | u64 cookie; | |
1596 | ||
1597 | if (tb[NL80211_ATTR_WIPHY_FREQ]) | |
1598 | freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]); | |
1599 | else | |
1600 | freq = 0; | |
1601 | ||
1602 | if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) | |
1603 | chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1604 | else | |
1605 | chan_type = 0; | |
1606 | ||
1607 | if (tb[NL80211_ATTR_DURATION]) | |
1608 | duration = nla_get_u32(tb[NL80211_ATTR_DURATION]); | |
1609 | else | |
1610 | duration = 0; | |
1611 | ||
1612 | if (tb[NL80211_ATTR_COOKIE]) | |
1613 | cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]); | |
1614 | else | |
1615 | cookie = 0; | |
1616 | ||
1617 | wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d " | |
1618 | "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))", | |
1619 | cancel_event, freq, chan_type, duration, | |
1620 | (long long unsigned int) cookie, | |
1621 | cookie == drv->remain_on_chan_cookie ? "match" : "unknown"); | |
1622 | ||
1623 | if (cookie != drv->remain_on_chan_cookie) | |
1624 | return; /* not for us */ | |
1625 | ||
531f0331 JB |
1626 | if (cancel_event) |
1627 | drv->pending_remain_on_chan = 0; | |
55777702 JM |
1628 | |
1629 | os_memset(&data, 0, sizeof(data)); | |
1630 | data.remain_on_channel.freq = freq; | |
1631 | data.remain_on_channel.duration = duration; | |
1632 | wpa_supplicant_event(drv->ctx, cancel_event ? | |
1633 | EVENT_CANCEL_REMAIN_ON_CHANNEL : | |
1634 | EVENT_REMAIN_ON_CHANNEL, &data); | |
1635 | } | |
1636 | ||
1637 | ||
6a1ce395 DG |
1638 | static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv, |
1639 | struct nlattr *tb[]) | |
1640 | { | |
1641 | union wpa_event_data data; | |
1642 | ||
1643 | os_memset(&data, 0, sizeof(data)); | |
1644 | ||
1645 | if (tb[NL80211_ATTR_IE]) { | |
1646 | data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]); | |
1647 | data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]); | |
1648 | } | |
1649 | ||
1650 | if (tb[NL80211_ATTR_IE_RIC]) { | |
1651 | data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]); | |
1652 | data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]); | |
1653 | } | |
1654 | ||
1655 | if (tb[NL80211_ATTR_MAC]) | |
1656 | os_memcpy(data.ft_ies.target_ap, | |
1657 | nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); | |
1658 | ||
1659 | wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR, | |
1660 | MAC2STR(data.ft_ies.target_ap)); | |
1661 | ||
1662 | wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data); | |
1663 | } | |
1664 | ||
1665 | ||
8d923a4a JM |
1666 | static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted, |
1667 | struct nlattr *tb[]) | |
1668 | { | |
1669 | union wpa_event_data event; | |
1670 | struct nlattr *nl; | |
1671 | int rem; | |
1672 | struct scan_info *info; | |
1673 | #define MAX_REPORT_FREQS 50 | |
1674 | int freqs[MAX_REPORT_FREQS]; | |
1675 | int num_freqs = 0; | |
1676 | ||
536fd62d JM |
1677 | if (drv->scan_for_auth) { |
1678 | drv->scan_for_auth = 0; | |
1679 | wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing " | |
1680 | "cfg80211 BSS entry"); | |
1681 | wpa_driver_nl80211_authenticate_retry(drv); | |
1682 | return; | |
1683 | } | |
1684 | ||
8d923a4a JM |
1685 | os_memset(&event, 0, sizeof(event)); |
1686 | info = &event.scan_info; | |
1687 | info->aborted = aborted; | |
1688 | ||
1689 | if (tb[NL80211_ATTR_SCAN_SSIDS]) { | |
1690 | nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) { | |
1691 | struct wpa_driver_scan_ssid *s = | |
1692 | &info->ssids[info->num_ssids]; | |
1693 | s->ssid = nla_data(nl); | |
1694 | s->ssid_len = nla_len(nl); | |
1695 | info->num_ssids++; | |
1696 | if (info->num_ssids == WPAS_MAX_SCAN_SSIDS) | |
1697 | break; | |
1698 | } | |
1699 | } | |
1700 | if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
1701 | nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem) | |
1702 | { | |
1703 | freqs[num_freqs] = nla_get_u32(nl); | |
1704 | num_freqs++; | |
1705 | if (num_freqs == MAX_REPORT_FREQS - 1) | |
1706 | break; | |
1707 | } | |
1708 | info->freqs = freqs; | |
1709 | info->num_freqs = num_freqs; | |
1710 | } | |
1711 | wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event); | |
1712 | } | |
1713 | ||
1714 | ||
60a972a6 JM |
1715 | static int get_link_signal(struct nl_msg *msg, void *arg) |
1716 | { | |
1717 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1718 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1719 | struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1]; | |
1720 | static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = { | |
1721 | [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 }, | |
1722 | }; | |
7ee35bf3 PS |
1723 | struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1]; |
1724 | static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = { | |
1725 | [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 }, | |
1726 | [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 }, | |
1727 | [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG }, | |
1728 | [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG }, | |
1729 | }; | |
1c5c7273 | 1730 | struct wpa_signal_info *sig_change = arg; |
60a972a6 JM |
1731 | |
1732 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1733 | genlmsg_attrlen(gnlh, 0), NULL); | |
1734 | if (!tb[NL80211_ATTR_STA_INFO] || | |
1735 | nla_parse_nested(sinfo, NL80211_STA_INFO_MAX, | |
1736 | tb[NL80211_ATTR_STA_INFO], policy)) | |
1737 | return NL_SKIP; | |
1738 | if (!sinfo[NL80211_STA_INFO_SIGNAL]) | |
1739 | return NL_SKIP; | |
1740 | ||
7ee35bf3 PS |
1741 | sig_change->current_signal = |
1742 | (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]); | |
1743 | ||
1744 | if (sinfo[NL80211_STA_INFO_TX_BITRATE]) { | |
1745 | if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX, | |
1746 | sinfo[NL80211_STA_INFO_TX_BITRATE], | |
1747 | rate_policy)) { | |
1748 | sig_change->current_txrate = 0; | |
1749 | } else { | |
1750 | if (rinfo[NL80211_RATE_INFO_BITRATE]) { | |
1751 | sig_change->current_txrate = | |
1752 | nla_get_u16(rinfo[ | |
1753 | NL80211_RATE_INFO_BITRATE]) * 100; | |
1754 | } | |
1755 | } | |
1756 | } | |
1757 | ||
60a972a6 JM |
1758 | return NL_SKIP; |
1759 | } | |
1760 | ||
1761 | ||
1762 | static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, | |
1c5c7273 | 1763 | struct wpa_signal_info *sig) |
60a972a6 JM |
1764 | { |
1765 | struct nl_msg *msg; | |
1766 | ||
7ee35bf3 PS |
1767 | sig->current_signal = -9999; |
1768 | sig->current_txrate = 0; | |
60a972a6 JM |
1769 | |
1770 | msg = nlmsg_alloc(); | |
1771 | if (!msg) | |
1772 | return -ENOMEM; | |
1773 | ||
9fb04070 | 1774 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION); |
60a972a6 JM |
1775 | |
1776 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
1777 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid); | |
1778 | ||
1779 | return send_and_recv_msgs(drv, msg, get_link_signal, sig); | |
1780 | nla_put_failure: | |
5883168a | 1781 | nlmsg_free(msg); |
60a972a6 JM |
1782 | return -ENOBUFS; |
1783 | } | |
1784 | ||
1785 | ||
7ee35bf3 PS |
1786 | static int get_link_noise(struct nl_msg *msg, void *arg) |
1787 | { | |
1788 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1789 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1790 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
1791 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
1792 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
1793 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
1794 | }; | |
1c5c7273 | 1795 | struct wpa_signal_info *sig_change = arg; |
7ee35bf3 PS |
1796 | |
1797 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1798 | genlmsg_attrlen(gnlh, 0), NULL); | |
1799 | ||
1800 | if (!tb[NL80211_ATTR_SURVEY_INFO]) { | |
1801 | wpa_printf(MSG_DEBUG, "nl80211: survey data missing!"); | |
1802 | return NL_SKIP; | |
1803 | } | |
1804 | ||
1805 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
1806 | tb[NL80211_ATTR_SURVEY_INFO], | |
1807 | survey_policy)) { | |
1808 | wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested " | |
1809 | "attributes!"); | |
1810 | return NL_SKIP; | |
1811 | } | |
1812 | ||
1813 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) | |
1814 | return NL_SKIP; | |
1815 | ||
1816 | if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != | |
1817 | sig_change->frequency) | |
1818 | return NL_SKIP; | |
1819 | ||
1820 | if (!sinfo[NL80211_SURVEY_INFO_NOISE]) | |
1821 | return NL_SKIP; | |
1822 | ||
1823 | sig_change->current_noise = | |
1824 | (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
1825 | ||
1826 | return NL_SKIP; | |
1827 | } | |
1828 | ||
1829 | ||
1830 | static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, | |
1c5c7273 | 1831 | struct wpa_signal_info *sig_change) |
7ee35bf3 PS |
1832 | { |
1833 | struct nl_msg *msg; | |
1834 | ||
1835 | sig_change->current_noise = 9999; | |
1836 | sig_change->frequency = drv->assoc_freq; | |
1837 | ||
1838 | msg = nlmsg_alloc(); | |
1839 | if (!msg) | |
1840 | return -ENOMEM; | |
1841 | ||
9fb04070 | 1842 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); |
7ee35bf3 PS |
1843 | |
1844 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
1845 | ||
1846 | return send_and_recv_msgs(drv, msg, get_link_noise, sig_change); | |
1847 | nla_put_failure: | |
5883168a | 1848 | nlmsg_free(msg); |
7ee35bf3 PS |
1849 | return -ENOBUFS; |
1850 | } | |
1851 | ||
1852 | ||
577db0ae GM |
1853 | static int get_noise_for_scan_results(struct nl_msg *msg, void *arg) |
1854 | { | |
1855 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1856 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1857 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
1858 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
1859 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
1860 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
1861 | }; | |
1862 | struct wpa_scan_results *scan_results = arg; | |
1863 | struct wpa_scan_res *scan_res; | |
1864 | size_t i; | |
1865 | ||
1866 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1867 | genlmsg_attrlen(gnlh, 0), NULL); | |
1868 | ||
1869 | if (!tb[NL80211_ATTR_SURVEY_INFO]) { | |
1870 | wpa_printf(MSG_DEBUG, "nl80211: Survey data missing"); | |
1871 | return NL_SKIP; | |
1872 | } | |
1873 | ||
1874 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
1875 | tb[NL80211_ATTR_SURVEY_INFO], | |
1876 | survey_policy)) { | |
1877 | wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested " | |
1878 | "attributes"); | |
1879 | return NL_SKIP; | |
1880 | } | |
1881 | ||
1882 | if (!sinfo[NL80211_SURVEY_INFO_NOISE]) | |
1883 | return NL_SKIP; | |
1884 | ||
1885 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) | |
1886 | return NL_SKIP; | |
1887 | ||
1888 | for (i = 0; i < scan_results->num; ++i) { | |
1889 | scan_res = scan_results->res[i]; | |
1890 | if (!scan_res) | |
1891 | continue; | |
1892 | if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != | |
1893 | scan_res->freq) | |
1894 | continue; | |
1895 | if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID)) | |
1896 | continue; | |
1897 | scan_res->noise = (s8) | |
1898 | nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
1899 | scan_res->flags &= ~WPA_SCAN_NOISE_INVALID; | |
1900 | } | |
1901 | ||
1902 | return NL_SKIP; | |
1903 | } | |
1904 | ||
1905 | ||
1906 | static int nl80211_get_noise_for_scan_results( | |
1907 | struct wpa_driver_nl80211_data *drv, | |
1908 | struct wpa_scan_results *scan_res) | |
1909 | { | |
1910 | struct nl_msg *msg; | |
1911 | ||
1912 | msg = nlmsg_alloc(); | |
1913 | if (!msg) | |
1914 | return -ENOMEM; | |
1915 | ||
1916 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); | |
1917 | ||
1918 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
1919 | ||
1920 | return send_and_recv_msgs(drv, msg, get_noise_for_scan_results, | |
1921 | scan_res); | |
1922 | nla_put_failure: | |
9e088e74 | 1923 | nlmsg_free(msg); |
577db0ae GM |
1924 | return -ENOBUFS; |
1925 | } | |
1926 | ||
1927 | ||
93910401 JM |
1928 | static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv, |
1929 | struct nlattr *tb[]) | |
1930 | { | |
1931 | static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
1932 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
1933 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 }, | |
1934 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
0d7e5a3a | 1935 | [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 }, |
93910401 JM |
1936 | }; |
1937 | struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1]; | |
1938 | enum nl80211_cqm_rssi_threshold_event event; | |
b625473c | 1939 | union wpa_event_data ed; |
1c5c7273 | 1940 | struct wpa_signal_info sig; |
7ee35bf3 | 1941 | int res; |
93910401 JM |
1942 | |
1943 | if (tb[NL80211_ATTR_CQM] == NULL || | |
1944 | nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM], | |
1945 | cqm_policy)) { | |
1946 | wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event"); | |
1947 | return; | |
1948 | } | |
1949 | ||
0d7e5a3a JB |
1950 | os_memset(&ed, 0, sizeof(ed)); |
1951 | ||
1952 | if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) { | |
1953 | if (!tb[NL80211_ATTR_MAC]) | |
1954 | return; | |
1955 | os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]), | |
1956 | ETH_ALEN); | |
1957 | wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed); | |
1958 | return; | |
1959 | } | |
1960 | ||
93910401 JM |
1961 | if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL) |
1962 | return; | |
1963 | event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]); | |
b625473c | 1964 | |
93910401 JM |
1965 | if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) { |
1966 | wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor " | |
1967 | "event: RSSI high"); | |
b625473c | 1968 | ed.signal_change.above_threshold = 1; |
93910401 JM |
1969 | } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) { |
1970 | wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor " | |
1971 | "event: RSSI low"); | |
b625473c JM |
1972 | ed.signal_change.above_threshold = 0; |
1973 | } else | |
1974 | return; | |
1975 | ||
60a972a6 JM |
1976 | res = nl80211_get_link_signal(drv, &sig); |
1977 | if (res == 0) { | |
7ee35bf3 PS |
1978 | ed.signal_change.current_signal = sig.current_signal; |
1979 | ed.signal_change.current_txrate = sig.current_txrate; | |
1980 | wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d", | |
1981 | sig.current_signal, sig.current_txrate); | |
1982 | } | |
1983 | ||
1984 | res = nl80211_get_link_noise(drv, &sig); | |
1985 | if (res == 0) { | |
1986 | ed.signal_change.current_noise = sig.current_noise; | |
1987 | wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm", | |
1988 | sig.current_noise); | |
60a972a6 JM |
1989 | } |
1990 | ||
b625473c | 1991 | wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed); |
93910401 JM |
1992 | } |
1993 | ||
1994 | ||
18d2ba08 JM |
1995 | static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv, |
1996 | struct nlattr **tb) | |
1997 | { | |
1998 | u8 *addr; | |
1999 | union wpa_event_data data; | |
2000 | ||
2001 | if (tb[NL80211_ATTR_MAC] == NULL) | |
2002 | return; | |
2003 | addr = nla_data(tb[NL80211_ATTR_MAC]); | |
2004 | wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr)); | |
5f310a9e | 2005 | |
61cbe2ff | 2006 | if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) { |
5f310a9e JM |
2007 | u8 *ies = NULL; |
2008 | size_t ies_len = 0; | |
2009 | if (tb[NL80211_ATTR_IE]) { | |
2010 | ies = nla_data(tb[NL80211_ATTR_IE]); | |
2011 | ies_len = nla_len(tb[NL80211_ATTR_IE]); | |
2012 | } | |
2013 | wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len); | |
2014 | drv_event_assoc(drv->ctx, addr, ies, ies_len, 0); | |
2015 | return; | |
2016 | } | |
2017 | ||
18d2ba08 JM |
2018 | if (drv->nlmode != NL80211_IFTYPE_ADHOC) |
2019 | return; | |
2020 | ||
2021 | os_memset(&data, 0, sizeof(data)); | |
2022 | os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN); | |
2023 | wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data); | |
2024 | } | |
2025 | ||
2026 | ||
ef985058 JM |
2027 | static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv, |
2028 | struct nlattr **tb) | |
2029 | { | |
2030 | u8 *addr; | |
2031 | union wpa_event_data data; | |
2032 | ||
2033 | if (tb[NL80211_ATTR_MAC] == NULL) | |
2034 | return; | |
2035 | addr = nla_data(tb[NL80211_ATTR_MAC]); | |
2036 | wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR, | |
2037 | MAC2STR(addr)); | |
5f310a9e | 2038 | |
61cbe2ff | 2039 | if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) { |
5f310a9e JM |
2040 | drv_event_disassoc(drv->ctx, addr); |
2041 | return; | |
2042 | } | |
2043 | ||
ef985058 JM |
2044 | if (drv->nlmode != NL80211_IFTYPE_ADHOC) |
2045 | return; | |
2046 | ||
2047 | os_memset(&data, 0, sizeof(data)); | |
2048 | os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN); | |
2049 | wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data); | |
2050 | } | |
2051 | ||
2052 | ||
b14a210c JB |
2053 | static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv, |
2054 | struct nlattr **tb) | |
2055 | { | |
2056 | struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA]; | |
2057 | static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
2058 | [NL80211_REKEY_DATA_KEK] = { | |
2059 | .minlen = NL80211_KEK_LEN, | |
2060 | .maxlen = NL80211_KEK_LEN, | |
2061 | }, | |
2062 | [NL80211_REKEY_DATA_KCK] = { | |
2063 | .minlen = NL80211_KCK_LEN, | |
2064 | .maxlen = NL80211_KCK_LEN, | |
2065 | }, | |
2066 | [NL80211_REKEY_DATA_REPLAY_CTR] = { | |
2067 | .minlen = NL80211_REPLAY_CTR_LEN, | |
2068 | .maxlen = NL80211_REPLAY_CTR_LEN, | |
2069 | }, | |
2070 | }; | |
2071 | union wpa_event_data data; | |
2072 | ||
2073 | if (!tb[NL80211_ATTR_MAC]) | |
2074 | return; | |
2075 | if (!tb[NL80211_ATTR_REKEY_DATA]) | |
2076 | return; | |
2077 | if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA, | |
2078 | tb[NL80211_ATTR_REKEY_DATA], rekey_policy)) | |
2079 | return; | |
2080 | if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]) | |
2081 | return; | |
2082 | ||
2083 | os_memset(&data, 0, sizeof(data)); | |
2084 | data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]); | |
2085 | wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR, | |
2086 | MAC2STR(data.driver_gtk_rekey.bssid)); | |
2087 | data.driver_gtk_rekey.replay_ctr = | |
2088 | nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]); | |
2089 | wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter", | |
2090 | data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN); | |
2091 | wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data); | |
2092 | } | |
2093 | ||
2094 | ||
c36d5242 JM |
2095 | static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv, |
2096 | struct nlattr **tb) | |
2097 | { | |
2098 | struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE]; | |
2099 | static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = { | |
2100 | [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 }, | |
2101 | [NL80211_PMKSA_CANDIDATE_BSSID] = { | |
2102 | .minlen = ETH_ALEN, | |
2103 | .maxlen = ETH_ALEN, | |
2104 | }, | |
2105 | [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG }, | |
2106 | }; | |
2107 | union wpa_event_data data; | |
2108 | ||
7d81932d JM |
2109 | wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event"); |
2110 | ||
c36d5242 JM |
2111 | if (!tb[NL80211_ATTR_PMKSA_CANDIDATE]) |
2112 | return; | |
2113 | if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE, | |
2114 | tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy)) | |
2115 | return; | |
2116 | if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] || | |
2117 | !cand[NL80211_PMKSA_CANDIDATE_BSSID]) | |
2118 | return; | |
2119 | ||
2120 | os_memset(&data, 0, sizeof(data)); | |
2121 | os_memcpy(data.pmkid_candidate.bssid, | |
2122 | nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN); | |
2123 | data.pmkid_candidate.index = | |
2124 | nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]); | |
2125 | data.pmkid_candidate.preauth = | |
2126 | cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL; | |
2127 | wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data); | |
2128 | } | |
2129 | ||
2130 | ||
39718852 JB |
2131 | static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv, |
2132 | struct nlattr **tb) | |
2133 | { | |
2134 | union wpa_event_data data; | |
2135 | ||
7d81932d JM |
2136 | wpa_printf(MSG_DEBUG, "nl80211: Probe client event"); |
2137 | ||
39718852 JB |
2138 | if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK]) |
2139 | return; | |
2140 | ||
2141 | os_memset(&data, 0, sizeof(data)); | |
2142 | os_memcpy(data.client_poll.addr, | |
2143 | nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); | |
2144 | ||
2145 | wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data); | |
2146 | } | |
2147 | ||
2148 | ||
6201b052 JM |
2149 | static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv, |
2150 | struct nlattr **tb) | |
2151 | { | |
2152 | union wpa_event_data data; | |
2153 | ||
2154 | wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event"); | |
2155 | ||
2156 | if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION]) | |
2157 | return; | |
2158 | ||
2159 | os_memset(&data, 0, sizeof(data)); | |
2160 | os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); | |
2161 | switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) { | |
2162 | case NL80211_TDLS_SETUP: | |
2163 | wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer " | |
2164 | MACSTR, MAC2STR(data.tdls.peer)); | |
2165 | data.tdls.oper = TDLS_REQUEST_SETUP; | |
2166 | break; | |
2167 | case NL80211_TDLS_TEARDOWN: | |
2168 | wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer " | |
2169 | MACSTR, MAC2STR(data.tdls.peer)); | |
2170 | data.tdls.oper = TDLS_REQUEST_TEARDOWN; | |
2171 | break; | |
2172 | default: | |
2173 | wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione " | |
2174 | "event"); | |
2175 | return; | |
2176 | } | |
2177 | if (tb[NL80211_ATTR_REASON_CODE]) { | |
2178 | data.tdls.reason_code = | |
2179 | nla_get_u16(tb[NL80211_ATTR_REASON_CODE]); | |
2180 | } | |
2181 | ||
2182 | wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data); | |
2183 | } | |
2184 | ||
2185 | ||
3140803b RM |
2186 | static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv, |
2187 | struct nlattr **tb) | |
2188 | { | |
2189 | union wpa_event_data data; | |
2190 | u32 reason; | |
2191 | ||
2192 | wpa_printf(MSG_DEBUG, "nl80211: Connect failed event"); | |
2193 | ||
2194 | if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON]) | |
2195 | return; | |
2196 | ||
2197 | os_memset(&data, 0, sizeof(data)); | |
2198 | os_memcpy(data.connect_failed_reason.addr, | |
2199 | nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); | |
2200 | ||
2201 | reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]); | |
2202 | switch (reason) { | |
2203 | case NL80211_CONN_FAIL_MAX_CLIENTS: | |
2204 | wpa_printf(MSG_DEBUG, "nl80211: Max client reached"); | |
2205 | data.connect_failed_reason.code = MAX_CLIENT_REACHED; | |
2206 | break; | |
2207 | case NL80211_CONN_FAIL_BLOCKED_CLIENT: | |
2208 | wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR | |
2209 | " tried to connect", | |
2210 | MAC2STR(data.connect_failed_reason.addr)); | |
2211 | data.connect_failed_reason.code = BLOCKED_CLIENT; | |
2212 | break; | |
2213 | default: | |
2214 | wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason " | |
2215 | "%u", reason); | |
2216 | return; | |
2217 | } | |
2218 | ||
2219 | wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data); | |
2220 | } | |
2221 | ||
2222 | ||
3088e4e5 JB |
2223 | static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb, |
2224 | int wds) | |
02bb32c3 JB |
2225 | { |
2226 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2227 | union wpa_event_data event; | |
02bb32c3 JB |
2228 | |
2229 | if (!tb[NL80211_ATTR_MAC]) | |
2230 | return; | |
2231 | ||
02bb32c3 | 2232 | os_memset(&event, 0, sizeof(event)); |
341eebee | 2233 | event.rx_from_unknown.bssid = bss->addr; |
02bb32c3 | 2234 | event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]); |
3088e4e5 | 2235 | event.rx_from_unknown.wds = wds; |
02bb32c3 JB |
2236 | |
2237 | wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event); | |
2238 | } | |
2239 | ||
2240 | ||
a5e1eb20 SE |
2241 | static void do_process_drv_event(struct i802_bss *bss, int cmd, |
2242 | struct nlattr **tb) | |
97865538 | 2243 | { |
a5e1eb20 SE |
2244 | struct wpa_driver_nl80211_data *drv = bss->drv; |
2245 | ||
b1f625e0 | 2246 | if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED && |
d6c9aab8 JB |
2247 | (cmd == NL80211_CMD_NEW_SCAN_RESULTS || |
2248 | cmd == NL80211_CMD_SCAN_ABORTED)) { | |
a2e40bb6 | 2249 | wpa_driver_nl80211_set_mode(&drv->first_bss, |
b1f625e0 EP |
2250 | drv->ap_scan_as_station); |
2251 | drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; | |
ad1e68e6 JM |
2252 | } |
2253 | ||
d6c9aab8 | 2254 | switch (cmd) { |
d942a79e | 2255 | case NL80211_CMD_TRIGGER_SCAN: |
565110cd | 2256 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger"); |
d942a79e | 2257 | break; |
d21c63b9 | 2258 | case NL80211_CMD_START_SCHED_SCAN: |
565110cd | 2259 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started"); |
d21c63b9 LC |
2260 | break; |
2261 | case NL80211_CMD_SCHED_SCAN_STOPPED: | |
565110cd | 2262 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped"); |
d21c63b9 LC |
2263 | wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL); |
2264 | break; | |
97865538 | 2265 | case NL80211_CMD_NEW_SCAN_RESULTS: |
565110cd JM |
2266 | wpa_dbg(drv->ctx, MSG_DEBUG, |
2267 | "nl80211: New scan results available"); | |
97865538 JM |
2268 | drv->scan_complete_events = 1; |
2269 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, | |
2270 | drv->ctx); | |
8d923a4a | 2271 | send_scan_event(drv, 0, tb); |
97865538 | 2272 | break; |
d21c63b9 | 2273 | case NL80211_CMD_SCHED_SCAN_RESULTS: |
565110cd JM |
2274 | wpa_dbg(drv->ctx, MSG_DEBUG, |
2275 | "nl80211: New sched scan results available"); | |
d21c63b9 LC |
2276 | send_scan_event(drv, 0, tb); |
2277 | break; | |
97865538 | 2278 | case NL80211_CMD_SCAN_ABORTED: |
565110cd | 2279 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted"); |
97865538 JM |
2280 | /* |
2281 | * Need to indicate that scan results are available in order | |
2282 | * not to make wpa_supplicant stop its scanning. | |
2283 | */ | |
2284 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, | |
2285 | drv->ctx); | |
8d923a4a | 2286 | send_scan_event(drv, 1, tb); |
97865538 | 2287 | break; |
c2a04078 JM |
2288 | case NL80211_CMD_AUTHENTICATE: |
2289 | case NL80211_CMD_ASSOCIATE: | |
2290 | case NL80211_CMD_DEAUTHENTICATE: | |
2291 | case NL80211_CMD_DISASSOCIATE: | |
bd94971e | 2292 | case NL80211_CMD_FRAME_TX_STATUS: |
7d878ca7 JM |
2293 | case NL80211_CMD_UNPROT_DEAUTHENTICATE: |
2294 | case NL80211_CMD_UNPROT_DISASSOCIATE: | |
d6c9aab8 | 2295 | mlme_event(drv, cmd, tb[NL80211_ATTR_FRAME], |
58f6fbe0 JM |
2296 | tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT], |
2297 | tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK], | |
da873dbb JB |
2298 | tb[NL80211_ATTR_COOKIE], |
2299 | tb[NL80211_ATTR_RX_SIGNAL_DBM]); | |
c2a04078 | 2300 | break; |
da72a1c1 ZY |
2301 | case NL80211_CMD_CONNECT: |
2302 | case NL80211_CMD_ROAM: | |
d6c9aab8 | 2303 | mlme_event_connect(drv, cmd, |
da72a1c1 ZY |
2304 | tb[NL80211_ATTR_STATUS_CODE], |
2305 | tb[NL80211_ATTR_MAC], | |
2306 | tb[NL80211_ATTR_REQ_IE], | |
2307 | tb[NL80211_ATTR_RESP_IE]); | |
2308 | break; | |
1b487b8b TP |
2309 | case NL80211_CMD_CH_SWITCH_NOTIFY: |
2310 | mlme_event_ch_switch(drv, tb[NL80211_ATTR_WIPHY_FREQ], | |
2311 | tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
2312 | break; | |
da72a1c1 | 2313 | case NL80211_CMD_DISCONNECT: |
20f5a4c2 | 2314 | mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE], |
3d9975d5 JM |
2315 | tb[NL80211_ATTR_MAC], |
2316 | tb[NL80211_ATTR_DISCONNECTED_BY_AP]); | |
da72a1c1 | 2317 | break; |
35583f3f | 2318 | case NL80211_CMD_MICHAEL_MIC_FAILURE: |
a5e1eb20 | 2319 | mlme_event_michael_mic_failure(bss, tb); |
35583f3f | 2320 | break; |
5cc4d64b JM |
2321 | case NL80211_CMD_JOIN_IBSS: |
2322 | mlme_event_join_ibss(drv, tb); | |
2323 | break; | |
55777702 JM |
2324 | case NL80211_CMD_REMAIN_ON_CHANNEL: |
2325 | mlme_event_remain_on_channel(drv, 0, tb); | |
2326 | break; | |
2327 | case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL: | |
2328 | mlme_event_remain_on_channel(drv, 1, tb); | |
2329 | break; | |
93910401 JM |
2330 | case NL80211_CMD_NOTIFY_CQM: |
2331 | nl80211_cqm_event(drv, tb); | |
2332 | break; | |
33c5deb8 JM |
2333 | case NL80211_CMD_REG_CHANGE: |
2334 | wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change"); | |
2335 | wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, | |
2336 | NULL); | |
2337 | break; | |
2338 | case NL80211_CMD_REG_BEACON_HINT: | |
2339 | wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint"); | |
2340 | wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, | |
2341 | NULL); | |
2342 | break; | |
18d2ba08 JM |
2343 | case NL80211_CMD_NEW_STATION: |
2344 | nl80211_new_station_event(drv, tb); | |
2345 | break; | |
ef985058 JM |
2346 | case NL80211_CMD_DEL_STATION: |
2347 | nl80211_del_station_event(drv, tb); | |
2348 | break; | |
b14a210c JB |
2349 | case NL80211_CMD_SET_REKEY_OFFLOAD: |
2350 | nl80211_rekey_offload_event(drv, tb); | |
2351 | break; | |
c36d5242 JM |
2352 | case NL80211_CMD_PMKSA_CANDIDATE: |
2353 | nl80211_pmksa_candidate_event(drv, tb); | |
2354 | break; | |
39718852 JB |
2355 | case NL80211_CMD_PROBE_CLIENT: |
2356 | nl80211_client_probe_event(drv, tb); | |
2357 | break; | |
6201b052 JM |
2358 | case NL80211_CMD_TDLS_OPER: |
2359 | nl80211_tdls_oper_event(drv, tb); | |
2360 | break; | |
3140803b RM |
2361 | case NL80211_CMD_CONN_FAILED: |
2362 | nl80211_connect_failed_event(drv, tb); | |
2363 | break; | |
6a1ce395 DG |
2364 | case NL80211_CMD_FT_EVENT: |
2365 | mlme_event_ft_event(drv, tb); | |
2366 | break; | |
97865538 | 2367 | default: |
565110cd JM |
2368 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event " |
2369 | "(cmd=%d)", cmd); | |
97865538 JM |
2370 | break; |
2371 | } | |
d6c9aab8 JB |
2372 | } |
2373 | ||
2374 | ||
2375 | static int process_drv_event(struct nl_msg *msg, void *arg) | |
2376 | { | |
2377 | struct wpa_driver_nl80211_data *drv = arg; | |
2378 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
2379 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
a5e1eb20 SE |
2380 | struct i802_bss *bss; |
2381 | int ifidx = -1; | |
d6c9aab8 JB |
2382 | |
2383 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
2384 | genlmsg_attrlen(gnlh, 0), NULL); | |
2385 | ||
a5e1eb20 SE |
2386 | if (tb[NL80211_ATTR_IFINDEX]) |
2387 | ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
2388 | ||
2389 | for (bss = &drv->first_bss; bss; bss = bss->next) { | |
2390 | if (ifidx == -1 || ifidx == bss->ifindex) { | |
2391 | do_process_drv_event(bss, gnlh->cmd, tb); | |
d6c9aab8 JB |
2392 | return NL_SKIP; |
2393 | } | |
2394 | } | |
2395 | ||
a5e1eb20 SE |
2396 | wpa_printf(MSG_DEBUG, "nl80211: Ignored event (cmd=%d) for foreign " |
2397 | "interface (ifindex %d)", gnlh->cmd, ifidx); | |
2398 | ||
d6c9aab8 JB |
2399 | return NL_SKIP; |
2400 | } | |
2401 | ||
2402 | ||
2403 | static int process_global_event(struct nl_msg *msg, void *arg) | |
2404 | { | |
2405 | struct nl80211_global *global = arg; | |
2406 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
2407 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
24b5bd8b | 2408 | struct wpa_driver_nl80211_data *drv, *tmp; |
d6c9aab8 | 2409 | int ifidx = -1; |
a5e1eb20 | 2410 | struct i802_bss *bss; |
d6c9aab8 JB |
2411 | |
2412 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
2413 | genlmsg_attrlen(gnlh, 0), NULL); | |
2414 | ||
2415 | if (tb[NL80211_ATTR_IFINDEX]) | |
2416 | ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
2417 | ||
24b5bd8b JB |
2418 | dl_list_for_each_safe(drv, tmp, &global->interfaces, |
2419 | struct wpa_driver_nl80211_data, list) { | |
a5e1eb20 SE |
2420 | for (bss = &drv->first_bss; bss; bss = bss->next) { |
2421 | if (ifidx == -1 || ifidx == bss->ifindex) { | |
2422 | do_process_drv_event(bss, gnlh->cmd, tb); | |
2423 | return NL_SKIP; | |
2424 | } | |
2425 | } | |
d6c9aab8 | 2426 | } |
97865538 JM |
2427 | |
2428 | return NL_SKIP; | |
2429 | } | |
2430 | ||
2431 | ||
cc7a48d1 JB |
2432 | static int process_bss_event(struct nl_msg *msg, void *arg) |
2433 | { | |
a11241fa | 2434 | struct i802_bss *bss = arg; |
cc7a48d1 JB |
2435 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); |
2436 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
2437 | ||
2438 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
2439 | genlmsg_attrlen(gnlh, 0), NULL); | |
2440 | ||
2441 | switch (gnlh->cmd) { | |
a11241fa JB |
2442 | case NL80211_CMD_FRAME: |
2443 | case NL80211_CMD_FRAME_TX_STATUS: | |
2444 | mlme_event(bss->drv, gnlh->cmd, tb[NL80211_ATTR_FRAME], | |
2445 | tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT], | |
2446 | tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK], | |
da873dbb JB |
2447 | tb[NL80211_ATTR_COOKIE], |
2448 | tb[NL80211_ATTR_RX_SIGNAL_DBM]); | |
a11241fa | 2449 | break; |
02bb32c3 | 2450 | case NL80211_CMD_UNEXPECTED_FRAME: |
3088e4e5 JB |
2451 | nl80211_spurious_frame(bss, tb, 0); |
2452 | break; | |
2453 | case NL80211_CMD_UNEXPECTED_4ADDR_FRAME: | |
2454 | nl80211_spurious_frame(bss, tb, 1); | |
02bb32c3 | 2455 | break; |
cc7a48d1 JB |
2456 | default: |
2457 | wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event " | |
2458 | "(cmd=%d)", gnlh->cmd); | |
2459 | break; | |
2460 | } | |
2461 | ||
2462 | return NL_SKIP; | |
2463 | } | |
2464 | ||
2465 | ||
97865538 | 2466 | static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx, |
5582a5d1 | 2467 | void *handle) |
97865538 | 2468 | { |
a4ae123c | 2469 | struct nl_cb *cb = eloop_ctx; |
97865538 JM |
2470 | |
2471 | wpa_printf(MSG_DEBUG, "nl80211: Event message available"); | |
2472 | ||
a4ae123c | 2473 | nl_recvmsgs(handle, cb); |
97865538 JM |
2474 | } |
2475 | ||
2476 | ||
6d158490 LR |
2477 | /** |
2478 | * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain | |
2479 | * @priv: driver_nl80211 private data | |
2480 | * @alpha2_arg: country to which to switch to | |
2481 | * Returns: 0 on success, -1 on failure | |
2482 | * | |
2483 | * This asks nl80211 to set the regulatory domain for given | |
2484 | * country ISO / IEC alpha2. | |
2485 | */ | |
2486 | static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg) | |
2487 | { | |
a2e40bb6 FF |
2488 | struct i802_bss *bss = priv; |
2489 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6d158490 LR |
2490 | char alpha2[3]; |
2491 | struct nl_msg *msg; | |
2492 | ||
2493 | msg = nlmsg_alloc(); | |
2494 | if (!msg) | |
e785c2ba | 2495 | return -ENOMEM; |
6d158490 LR |
2496 | |
2497 | alpha2[0] = alpha2_arg[0]; | |
2498 | alpha2[1] = alpha2_arg[1]; | |
2499 | alpha2[2] = '\0'; | |
2500 | ||
9fb04070 | 2501 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG); |
6d158490 LR |
2502 | |
2503 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2); | |
2504 | if (send_and_recv_msgs(drv, msg, NULL, NULL)) | |
2505 | return -EINVAL; | |
2506 | return 0; | |
2507 | nla_put_failure: | |
5883168a | 2508 | nlmsg_free(msg); |
6d158490 LR |
2509 | return -EINVAL; |
2510 | } | |
2511 | ||
2512 | ||
43245552 DJ |
2513 | static int protocol_feature_handler(struct nl_msg *msg, void *arg) |
2514 | { | |
2515 | u32 *feat = arg; | |
2516 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
2517 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
2518 | ||
2519 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
2520 | genlmsg_attrlen(gnlh, 0), NULL); | |
2521 | ||
2522 | if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]) | |
2523 | *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]); | |
2524 | ||
2525 | return NL_SKIP; | |
2526 | } | |
2527 | ||
2528 | ||
2529 | static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv) | |
2530 | { | |
2531 | u32 feat = 0; | |
2532 | struct nl_msg *msg; | |
2533 | ||
2534 | msg = nlmsg_alloc(); | |
2535 | if (!msg) | |
2536 | goto nla_put_failure; | |
2537 | ||
2538 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES); | |
2539 | if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0) | |
2540 | return feat; | |
2541 | ||
2542 | msg = NULL; | |
2543 | nla_put_failure: | |
2544 | nlmsg_free(msg); | |
2545 | return 0; | |
2546 | } | |
2547 | ||
2548 | ||
80bc75f1 | 2549 | struct wiphy_info_data { |
8cd6b7bc | 2550 | struct wpa_driver_nl80211_data *drv; |
e8b5e24e JB |
2551 | struct wpa_driver_capa *capa; |
2552 | ||
2553 | unsigned int error:1; | |
61cbe2ff | 2554 | unsigned int device_ap_sme:1; |
39718852 | 2555 | unsigned int poll_command_supported:1; |
32ab4855 | 2556 | unsigned int data_tx_status:1; |
536062f2 | 2557 | unsigned int monitor_supported:1; |
43245552 DJ |
2558 | unsigned int auth_supported:1; |
2559 | unsigned int connect_supported:1; | |
2560 | unsigned int p2p_go_supported:1; | |
2561 | unsigned int p2p_client_supported:1; | |
2562 | unsigned int p2p_concurrent:1; | |
2563 | unsigned int p2p_multichan_concurrent:1; | |
80bc75f1 JM |
2564 | }; |
2565 | ||
2566 | ||
562c9d97 AN |
2567 | static unsigned int probe_resp_offload_support(int supp_protocols) |
2568 | { | |
2569 | unsigned int prot = 0; | |
2570 | ||
2571 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS) | |
2572 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS; | |
2573 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2) | |
2574 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2; | |
2575 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P) | |
2576 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P; | |
2577 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U) | |
2578 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING; | |
2579 | ||
2580 | return prot; | |
2581 | } | |
2582 | ||
2583 | ||
5f439107 JM |
2584 | static void wiphy_info_supported_iftypes(struct wiphy_info_data *info, |
2585 | struct nlattr *tb) | |
80bc75f1 | 2586 | { |
5f439107 JM |
2587 | struct nlattr *nl_mode; |
2588 | int i; | |
2589 | ||
2590 | if (tb == NULL) | |
2591 | return; | |
2592 | ||
2593 | nla_for_each_nested(nl_mode, tb, i) { | |
2594 | switch (nla_type(nl_mode)) { | |
2595 | case NL80211_IFTYPE_AP: | |
2596 | info->capa->flags |= WPA_DRIVER_FLAGS_AP; | |
2597 | break; | |
65d52fc1 BR |
2598 | case NL80211_IFTYPE_ADHOC: |
2599 | info->capa->flags |= WPA_DRIVER_FLAGS_IBSS; | |
2600 | break; | |
5f439107 JM |
2601 | case NL80211_IFTYPE_P2P_GO: |
2602 | info->p2p_go_supported = 1; | |
2603 | break; | |
2604 | case NL80211_IFTYPE_P2P_CLIENT: | |
2605 | info->p2p_client_supported = 1; | |
2606 | break; | |
2607 | case NL80211_IFTYPE_MONITOR: | |
2608 | info->monitor_supported = 1; | |
2609 | break; | |
2610 | } | |
2611 | } | |
2612 | } | |
2613 | ||
2614 | ||
2615 | static int wiphy_info_iface_comb_process(struct wiphy_info_data *info, | |
2616 | struct nlattr *nl_combi) | |
2617 | { | |
2618 | struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB]; | |
2619 | struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT]; | |
2620 | struct nlattr *nl_limit, *nl_mode; | |
2621 | int err, rem_limit, rem_mode; | |
2622 | int combination_has_p2p = 0, combination_has_mgd = 0; | |
7626850d JB |
2623 | static struct nla_policy |
2624 | iface_combination_policy[NUM_NL80211_IFACE_COMB] = { | |
2625 | [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED }, | |
2626 | [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 }, | |
2627 | [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG }, | |
2628 | [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 }, | |
2629 | }, | |
2630 | iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = { | |
2631 | [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED }, | |
2632 | [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 }, | |
2633 | }; | |
80bc75f1 | 2634 | |
5f439107 JM |
2635 | err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB, |
2636 | nl_combi, iface_combination_policy); | |
2637 | if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] || | |
2638 | !tb_comb[NL80211_IFACE_COMB_MAXNUM] || | |
2639 | !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) | |
2640 | return 0; /* broken combination */ | |
2641 | ||
2642 | nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], | |
2643 | rem_limit) { | |
2644 | err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT, | |
2645 | nl_limit, iface_limit_policy); | |
2646 | if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES]) | |
2647 | return 0; /* broken combination */ | |
2648 | ||
2649 | nla_for_each_nested(nl_mode, | |
2650 | tb_limit[NL80211_IFACE_LIMIT_TYPES], | |
2651 | rem_mode) { | |
2652 | int ift = nla_type(nl_mode); | |
2653 | if (ift == NL80211_IFTYPE_P2P_GO || | |
2654 | ift == NL80211_IFTYPE_P2P_CLIENT) | |
2655 | combination_has_p2p = 1; | |
2656 | if (ift == NL80211_IFTYPE_STATION) | |
2657 | combination_has_mgd = 1; | |
2658 | } | |
2659 | if (combination_has_p2p && combination_has_mgd) | |
2660 | break; | |
2661 | } | |
2662 | ||
2663 | if (combination_has_p2p && combination_has_mgd) { | |
2664 | info->p2p_concurrent = 1; | |
2665 | if (nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) > 1) | |
2666 | info->p2p_multichan_concurrent = 1; | |
2667 | return 1; | |
2668 | } | |
2669 | ||
2670 | return 0; | |
2671 | } | |
2672 | ||
2673 | ||
2674 | static void wiphy_info_iface_comb(struct wiphy_info_data *info, | |
2675 | struct nlattr *tb) | |
2676 | { | |
2677 | struct nlattr *nl_combi; | |
2678 | int rem_combi; | |
2679 | ||
2680 | if (tb == NULL) | |
2681 | return; | |
2682 | ||
2683 | nla_for_each_nested(nl_combi, tb, rem_combi) { | |
2684 | if (wiphy_info_iface_comb_process(info, nl_combi) > 0) | |
2685 | break; | |
2686 | } | |
2687 | } | |
2688 | ||
2689 | ||
2690 | static void wiphy_info_supp_cmds(struct wiphy_info_data *info, | |
2691 | struct nlattr *tb) | |
2692 | { | |
2693 | struct nlattr *nl_cmd; | |
2694 | int i; | |
2695 | ||
2696 | if (tb == NULL) | |
2697 | return; | |
2698 | ||
2699 | nla_for_each_nested(nl_cmd, tb, i) { | |
2700 | switch (nla_get_u32(nl_cmd)) { | |
2701 | case NL80211_CMD_AUTHENTICATE: | |
2702 | info->auth_supported = 1; | |
2703 | break; | |
2704 | case NL80211_CMD_CONNECT: | |
2705 | info->connect_supported = 1; | |
2706 | break; | |
2707 | case NL80211_CMD_START_SCHED_SCAN: | |
2708 | info->capa->sched_scan_supported = 1; | |
2709 | break; | |
2710 | case NL80211_CMD_PROBE_CLIENT: | |
2711 | info->poll_command_supported = 1; | |
2712 | break; | |
2713 | } | |
2714 | } | |
2715 | } | |
2716 | ||
2717 | ||
2718 | static void wiphy_info_max_roc(struct wpa_driver_capa *capa, | |
2719 | struct nlattr *tb) | |
2720 | { | |
2721 | /* default to 5000 since early versions of mac80211 don't set it */ | |
2722 | capa->max_remain_on_chan = 5000; | |
2723 | ||
2724 | if (tb) | |
2725 | capa->max_remain_on_chan = nla_get_u32(tb); | |
2726 | } | |
2727 | ||
2728 | ||
2729 | static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls, | |
2730 | struct nlattr *ext_setup) | |
2731 | { | |
2732 | if (tdls == NULL) | |
2733 | return; | |
2734 | ||
2735 | wpa_printf(MSG_DEBUG, "nl80211: TDLS supported"); | |
2736 | capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT; | |
2737 | ||
2738 | if (ext_setup) { | |
2739 | wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup"); | |
2740 | capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP; | |
2741 | } | |
2742 | } | |
2743 | ||
2744 | ||
2745 | static void wiphy_info_feature_flags(struct wiphy_info_data *info, | |
2746 | struct nlattr *tb) | |
2747 | { | |
2748 | u32 flags; | |
2749 | struct wpa_driver_capa *capa = info->capa; | |
2750 | ||
2751 | if (tb == NULL) | |
2752 | return; | |
2753 | ||
2754 | flags = nla_get_u32(tb); | |
2755 | ||
2756 | if (flags & NL80211_FEATURE_SK_TX_STATUS) | |
2757 | info->data_tx_status = 1; | |
2758 | ||
2759 | if (flags & NL80211_FEATURE_INACTIVITY_TIMER) | |
2760 | capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER; | |
2761 | ||
2762 | if (flags & NL80211_FEATURE_SAE) | |
2763 | capa->flags |= WPA_DRIVER_FLAGS_SAE; | |
2764 | ||
2765 | if (flags & NL80211_FEATURE_NEED_OBSS_SCAN) | |
2766 | capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN; | |
2767 | } | |
2768 | ||
2769 | ||
2770 | static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa, | |
2771 | struct nlattr *tb) | |
2772 | { | |
2773 | u32 protocols; | |
2774 | ||
2775 | if (tb == NULL) | |
2776 | return; | |
2777 | ||
2778 | protocols = nla_get_u32(tb); | |
2779 | wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP " | |
2780 | "mode"); | |
2781 | capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD; | |
2782 | capa->probe_resp_offloads = probe_resp_offload_support(protocols); | |
2783 | } | |
2784 | ||
2785 | ||
2786 | static int wiphy_info_handler(struct nl_msg *msg, void *arg) | |
2787 | { | |
2788 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
2789 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
2790 | struct wiphy_info_data *info = arg; | |
2791 | struct wpa_driver_capa *capa = info->capa; | |
8cd6b7bc | 2792 | struct wpa_driver_nl80211_data *drv = info->drv; |
5f439107 | 2793 | |
80bc75f1 JM |
2794 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), |
2795 | genlmsg_attrlen(gnlh, 0), NULL); | |
2796 | ||
2797 | if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) | |
e8b5e24e | 2798 | capa->max_scan_ssids = |
80bc75f1 JM |
2799 | nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]); |
2800 | ||
d21c63b9 | 2801 | if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]) |
e8b5e24e | 2802 | capa->max_sched_scan_ssids = |
d21c63b9 LC |
2803 | nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]); |
2804 | ||
bd525934 | 2805 | if (tb[NL80211_ATTR_MAX_MATCH_SETS]) |
e8b5e24e | 2806 | capa->max_match_sets = |
bd525934 LC |
2807 | nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]); |
2808 | ||
5f439107 JM |
2809 | wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]); |
2810 | wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]); | |
2811 | wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]); | |
93d11400 | 2812 | |
e8b5e24e JB |
2813 | if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) { |
2814 | wpa_printf(MSG_DEBUG, "nl80211: Using driver-based " | |
2815 | "off-channel TX"); | |
2816 | capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX; | |
2817 | } | |
2818 | ||
2819 | if (tb[NL80211_ATTR_ROAM_SUPPORT]) { | |
2820 | wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming"); | |
2821 | capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION; | |
2822 | } | |
5dfca53f | 2823 | |
5f439107 JM |
2824 | wiphy_info_max_roc(capa, |
2825 | tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]); | |
004ba773 | 2826 | |
70619a5d EP |
2827 | if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD]) |
2828 | capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD; | |
2829 | ||
5f439107 JM |
2830 | wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT], |
2831 | tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]); | |
03ea1786 | 2832 | |
61cbe2ff JB |
2833 | if (tb[NL80211_ATTR_DEVICE_AP_SME]) |
2834 | info->device_ap_sme = 1; | |
2835 | ||
5f439107 JM |
2836 | wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]); |
2837 | wiphy_info_probe_resp_offload(capa, | |
2838 | tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]); | |
562c9d97 | 2839 | |
8cd6b7bc JB |
2840 | if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] && |
2841 | drv->extended_capa == NULL) { | |
2842 | drv->extended_capa = | |
2843 | os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
2844 | if (drv->extended_capa) { | |
2845 | os_memcpy(drv->extended_capa, | |
2846 | nla_data(tb[NL80211_ATTR_EXT_CAPA]), | |
2847 | nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
2848 | drv->extended_capa_len = | |
2849 | nla_len(tb[NL80211_ATTR_EXT_CAPA]); | |
2850 | } | |
2851 | drv->extended_capa_mask = | |
2852 | os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
2853 | if (drv->extended_capa_mask) { | |
2854 | os_memcpy(drv->extended_capa_mask, | |
2855 | nla_data(tb[NL80211_ATTR_EXT_CAPA]), | |
2856 | nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
2857 | } else { | |
2858 | os_free(drv->extended_capa); | |
2859 | drv->extended_capa = NULL; | |
2860 | drv->extended_capa_len = 0; | |
2861 | } | |
2862 | } | |
2863 | ||
80bc75f1 JM |
2864 | return NL_SKIP; |
2865 | } | |
2866 | ||
2867 | ||
2868 | static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv, | |
2869 | struct wiphy_info_data *info) | |
2870 | { | |
43245552 | 2871 | u32 feat; |
80bc75f1 JM |
2872 | struct nl_msg *msg; |
2873 | ||
2874 | os_memset(info, 0, sizeof(*info)); | |
e8b5e24e | 2875 | info->capa = &drv->capa; |
8cd6b7bc | 2876 | info->drv = drv; |
89e07afb | 2877 | |
80bc75f1 JM |
2878 | msg = nlmsg_alloc(); |
2879 | if (!msg) | |
2880 | return -1; | |
2881 | ||
43245552 DJ |
2882 | feat = get_nl80211_protocol_features(drv); |
2883 | if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) | |
2884 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY); | |
2885 | else | |
2886 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY); | |
80bc75f1 | 2887 | |
43245552 | 2888 | NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP); |
a2e40bb6 | 2889 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->first_bss.ifindex); |
80bc75f1 | 2890 | |
43245552 DJ |
2891 | if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info)) |
2892 | return -1; | |
2893 | ||
2894 | if (info->auth_supported) | |
2895 | drv->capa.flags |= WPA_DRIVER_FLAGS_SME; | |
2896 | else if (!info->connect_supported) { | |
2897 | wpa_printf(MSG_INFO, "nl80211: Driver does not support " | |
2898 | "authentication/association or connect commands"); | |
2899 | info->error = 1; | |
2900 | } | |
2901 | ||
2902 | if (info->p2p_go_supported && info->p2p_client_supported) | |
2903 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE; | |
2904 | if (info->p2p_concurrent) { | |
2905 | wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " | |
2906 | "interface (driver advertised support)"); | |
2907 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; | |
2908 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; | |
2909 | } | |
2910 | if (info->p2p_multichan_concurrent) { | |
2911 | wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel " | |
2912 | "concurrent (driver advertised support)"); | |
2913 | drv->capa.flags |= WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT; | |
2914 | } | |
2915 | return 0; | |
80bc75f1 JM |
2916 | nla_put_failure: |
2917 | nlmsg_free(msg); | |
2918 | return -1; | |
2919 | } | |
2920 | ||
2921 | ||
93d11400 | 2922 | static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv) |
80bc75f1 JM |
2923 | { |
2924 | struct wiphy_info_data info; | |
2925 | if (wpa_driver_nl80211_get_info(drv, &info)) | |
93d11400 | 2926 | return -1; |
e8b5e24e JB |
2927 | |
2928 | if (info.error) | |
2929 | return -1; | |
2930 | ||
80bc75f1 | 2931 | drv->has_capability = 1; |
1b2a72e8 JM |
2932 | /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */ |
2933 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
2934 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | | |
2935 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
2936 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; | |
2937 | drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 | | |
2938 | WPA_DRIVER_CAPA_ENC_WEP104 | | |
2939 | WPA_DRIVER_CAPA_ENC_TKIP | | |
2940 | WPA_DRIVER_CAPA_ENC_CCMP; | |
291b6068 JM |
2941 | drv->capa.auth = WPA_DRIVER_AUTH_OPEN | |
2942 | WPA_DRIVER_AUTH_SHARED | | |
2943 | WPA_DRIVER_AUTH_LEAP; | |
1b2a72e8 | 2944 | |
871f4dd0 | 2945 | drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES; |
0194fedb | 2946 | drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE; |
2fee890a | 2947 | drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; |
e1bd4e19 | 2948 | |
e5091674 | 2949 | if (!info.device_ap_sme) { |
e1bd4e19 | 2950 | drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS; |
0194fedb | 2951 | |
e5091674 JM |
2952 | /* |
2953 | * No AP SME is currently assumed to also indicate no AP MLME | |
2954 | * in the driver/firmware. | |
2955 | */ | |
2956 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME; | |
2957 | } | |
2958 | ||
61cbe2ff | 2959 | drv->device_ap_sme = info.device_ap_sme; |
39718852 | 2960 | drv->poll_command_supported = info.poll_command_supported; |
32ab4855 | 2961 | drv->data_tx_status = info.data_tx_status; |
61cbe2ff | 2962 | |
a11241fa | 2963 | /* |
73a3c6ff FF |
2964 | * If poll command and tx status are supported, mac80211 is new enough |
2965 | * to have everything we need to not need monitor interfaces. | |
a11241fa | 2966 | */ |
73a3c6ff | 2967 | drv->use_monitor = !info.poll_command_supported || !info.data_tx_status; |
a11241fa | 2968 | |
536062f2 JM |
2969 | if (drv->device_ap_sme && drv->use_monitor) { |
2970 | /* | |
2971 | * Non-mac80211 drivers may not support monitor interface. | |
2972 | * Make sure we do not get stuck with incorrect capability here | |
2973 | * by explicitly testing this. | |
2974 | */ | |
2975 | if (!info.monitor_supported) { | |
2976 | wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor " | |
2977 | "with device_ap_sme since no monitor mode " | |
2978 | "support detected"); | |
2979 | drv->use_monitor = 0; | |
2980 | } | |
2981 | } | |
2982 | ||
a11241fa JB |
2983 | /* |
2984 | * If we aren't going to use monitor interfaces, but the | |
2985 | * driver doesn't support data TX status, we won't get TX | |
2986 | * status for EAPOL frames. | |
2987 | */ | |
2988 | if (!drv->use_monitor && !info.data_tx_status) | |
2989 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
2990 | ||
93d11400 | 2991 | return 0; |
80bc75f1 JM |
2992 | } |
2993 | ||
2994 | ||
b088cf82 JM |
2995 | #ifdef ANDROID |
2996 | static int android_genl_ctrl_resolve(struct nl_handle *handle, | |
2997 | const char *name) | |
2998 | { | |
2999 | /* | |
3000 | * Android ICS has very minimal genl_ctrl_resolve() implementation, so | |
3001 | * need to work around that. | |
3002 | */ | |
3003 | struct nl_cache *cache = NULL; | |
3004 | struct genl_family *nl80211 = NULL; | |
3005 | int id = -1; | |
3006 | ||
3007 | if (genl_ctrl_alloc_cache(handle, &cache) < 0) { | |
3008 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic " | |
3009 | "netlink cache"); | |
3010 | goto fail; | |
3011 | } | |
3012 | ||
3013 | nl80211 = genl_ctrl_search_by_name(cache, name); | |
3014 | if (nl80211 == NULL) | |
3015 | goto fail; | |
3016 | ||
3017 | id = genl_family_get_id(nl80211); | |
3018 | ||
3019 | fail: | |
3020 | if (nl80211) | |
3021 | genl_family_put(nl80211); | |
3022 | if (cache) | |
3023 | nl_cache_free(cache); | |
3024 | ||
3025 | return id; | |
3026 | } | |
3027 | #define genl_ctrl_resolve android_genl_ctrl_resolve | |
3028 | #endif /* ANDROID */ | |
3029 | ||
3030 | ||
2a7b66f5 BG |
3031 | static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global) |
3032 | { | |
d6c9aab8 JB |
3033 | int ret; |
3034 | ||
2a7b66f5 BG |
3035 | global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); |
3036 | if (global->nl_cb == NULL) { | |
3037 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " | |
3038 | "callbacks"); | |
3039 | return -1; | |
3040 | } | |
3041 | ||
481234cf JM |
3042 | global->nl = nl_create_handle(global->nl_cb, "nl"); |
3043 | if (global->nl == NULL) | |
d6c9aab8 | 3044 | goto err; |
276e2d67 | 3045 | |
481234cf | 3046 | global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211"); |
335d42b1 | 3047 | if (global->nl80211_id < 0) { |
276e2d67 BG |
3048 | wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not " |
3049 | "found"); | |
d6c9aab8 | 3050 | goto err; |
276e2d67 BG |
3051 | } |
3052 | ||
481234cf JM |
3053 | global->nl_event = nl_create_handle(global->nl_cb, "event"); |
3054 | if (global->nl_event == NULL) | |
d6c9aab8 | 3055 | goto err; |
9fff9fdc | 3056 | |
d6c9aab8 | 3057 | ret = nl_get_multicast_id(global, "nl80211", "scan"); |
97865538 | 3058 | if (ret >= 0) |
481234cf | 3059 | ret = nl_socket_add_membership(global->nl_event, ret); |
97865538 JM |
3060 | if (ret < 0) { |
3061 | wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " | |
3062 | "membership for scan events: %d (%s)", | |
3063 | ret, strerror(-ret)); | |
d6c9aab8 | 3064 | goto err; |
97865538 | 3065 | } |
c2a04078 | 3066 | |
d6c9aab8 | 3067 | ret = nl_get_multicast_id(global, "nl80211", "mlme"); |
c2a04078 | 3068 | if (ret >= 0) |
481234cf | 3069 | ret = nl_socket_add_membership(global->nl_event, ret); |
c2a04078 JM |
3070 | if (ret < 0) { |
3071 | wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " | |
3072 | "membership for mlme events: %d (%s)", | |
3073 | ret, strerror(-ret)); | |
d6c9aab8 | 3074 | goto err; |
c2a04078 | 3075 | } |
c2a04078 | 3076 | |
d6c9aab8 | 3077 | ret = nl_get_multicast_id(global, "nl80211", "regulatory"); |
33c5deb8 | 3078 | if (ret >= 0) |
481234cf | 3079 | ret = nl_socket_add_membership(global->nl_event, ret); |
33c5deb8 JM |
3080 | if (ret < 0) { |
3081 | wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " | |
3082 | "membership for regulatory events: %d (%s)", | |
3083 | ret, strerror(-ret)); | |
3084 | /* Continue without regulatory events */ | |
3085 | } | |
3086 | ||
d6c9aab8 JB |
3087 | nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, |
3088 | no_seq_check, NULL); | |
3089 | nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
3090 | process_global_event, global); | |
3091 | ||
481234cf | 3092 | eloop_register_read_sock(nl_socket_get_fd(global->nl_event), |
d6c9aab8 | 3093 | wpa_driver_nl80211_event_receive, |
481234cf | 3094 | global->nl_cb, global->nl_event); |
d6c9aab8 JB |
3095 | |
3096 | return 0; | |
3097 | ||
3098 | err: | |
3099 | nl_destroy_handles(&global->nl_event); | |
3100 | nl_destroy_handles(&global->nl); | |
3101 | nl_cb_put(global->nl_cb); | |
671a5039 | 3102 | global->nl_cb = NULL; |
d6c9aab8 JB |
3103 | return -1; |
3104 | } | |
3105 | ||
3106 | ||
3107 | static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv) | |
3108 | { | |
1afc986d JB |
3109 | drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); |
3110 | if (!drv->nl_cb) { | |
3111 | wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct"); | |
d6c9aab8 | 3112 | return -1; |
1afc986d JB |
3113 | } |
3114 | ||
3115 | nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
3116 | no_seq_check, NULL); | |
f06aedd9 JB |
3117 | nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, |
3118 | process_drv_event, drv); | |
1afc986d | 3119 | |
9fff9fdc | 3120 | return 0; |
9fff9fdc JM |
3121 | } |
3122 | ||
3123 | ||
8401a6b0 JM |
3124 | static void wpa_driver_nl80211_rfkill_blocked(void *ctx) |
3125 | { | |
8401a6b0 | 3126 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked"); |
a63063b4 JM |
3127 | /* |
3128 | * This may be for any interface; use ifdown event to disable | |
3129 | * interface. | |
3130 | */ | |
8401a6b0 JM |
3131 | } |
3132 | ||
3133 | ||
3134 | static void wpa_driver_nl80211_rfkill_unblocked(void *ctx) | |
3135 | { | |
3136 | struct wpa_driver_nl80211_data *drv = ctx; | |
3137 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked"); | |
c81eff1a BG |
3138 | if (linux_set_iface_flags(drv->global->ioctl_sock, |
3139 | drv->first_bss.ifname, 1)) { | |
8401a6b0 JM |
3140 | wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP " |
3141 | "after rfkill unblock"); | |
3142 | return; | |
3143 | } | |
a63063b4 | 3144 | /* rtnetlink ifup handler will report interface as enabled */ |
8401a6b0 JM |
3145 | } |
3146 | ||
3147 | ||
6859f1cb BG |
3148 | static void nl80211_get_phy_name(struct wpa_driver_nl80211_data *drv) |
3149 | { | |
3150 | /* Find phy (radio) to which this interface belongs */ | |
3151 | char buf[90], *pos; | |
3152 | int f, rv; | |
3153 | ||
3154 | drv->phyname[0] = '\0'; | |
3155 | snprintf(buf, sizeof(buf) - 1, "/sys/class/net/%s/phy80211/name", | |
3156 | drv->first_bss.ifname); | |
3157 | f = open(buf, O_RDONLY); | |
3158 | if (f < 0) { | |
3159 | wpa_printf(MSG_DEBUG, "Could not open file %s: %s", | |
3160 | buf, strerror(errno)); | |
3161 | return; | |
3162 | } | |
3163 | ||
3164 | rv = read(f, drv->phyname, sizeof(drv->phyname) - 1); | |
3165 | close(f); | |
3166 | if (rv < 0) { | |
3167 | wpa_printf(MSG_DEBUG, "Could not read file %s: %s", | |
3168 | buf, strerror(errno)); | |
3169 | return; | |
3170 | } | |
3171 | ||
3172 | drv->phyname[rv] = '\0'; | |
3173 | pos = os_strchr(drv->phyname, '\n'); | |
3174 | if (pos) | |
3175 | *pos = '\0'; | |
3176 | wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s", | |
3177 | drv->first_bss.ifname, drv->phyname); | |
3178 | } | |
3179 | ||
3180 | ||
32ab4855 JB |
3181 | static void wpa_driver_nl80211_handle_eapol_tx_status(int sock, |
3182 | void *eloop_ctx, | |
3183 | void *handle) | |
3184 | { | |
3185 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
3186 | u8 data[2048]; | |
3187 | struct msghdr msg; | |
3188 | struct iovec entry; | |
cad0f50e | 3189 | u8 control[512]; |
32ab4855 JB |
3190 | struct cmsghdr *cmsg; |
3191 | int res, found_ee = 0, found_wifi = 0, acked = 0; | |
3192 | union wpa_event_data event; | |
3193 | ||
3194 | memset(&msg, 0, sizeof(msg)); | |
3195 | msg.msg_iov = &entry; | |
3196 | msg.msg_iovlen = 1; | |
3197 | entry.iov_base = data; | |
3198 | entry.iov_len = sizeof(data); | |
3199 | msg.msg_control = &control; | |
3200 | msg.msg_controllen = sizeof(control); | |
3201 | ||
3202 | res = recvmsg(sock, &msg, MSG_ERRQUEUE); | |
3203 | /* if error or not fitting 802.3 header, return */ | |
3204 | if (res < 14) | |
3205 | return; | |
3206 | ||
3207 | for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) | |
3208 | { | |
3209 | if (cmsg->cmsg_level == SOL_SOCKET && | |
3210 | cmsg->cmsg_type == SCM_WIFI_STATUS) { | |
3211 | int *ack; | |
3212 | ||
3213 | found_wifi = 1; | |
3214 | ack = (void *)CMSG_DATA(cmsg); | |
3215 | acked = *ack; | |
3216 | } | |
3217 | ||
3218 | if (cmsg->cmsg_level == SOL_PACKET && | |
3219 | cmsg->cmsg_type == PACKET_TX_TIMESTAMP) { | |
3220 | struct sock_extended_err *err = | |
3221 | (struct sock_extended_err *)CMSG_DATA(cmsg); | |
3222 | ||
3223 | if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS) | |
3224 | found_ee = 1; | |
3225 | } | |
3226 | } | |
3227 | ||
3228 | if (!found_ee || !found_wifi) | |
3229 | return; | |
3230 | ||
3231 | memset(&event, 0, sizeof(event)); | |
3232 | event.eapol_tx_status.dst = data; | |
3233 | event.eapol_tx_status.data = data + 14; | |
3234 | event.eapol_tx_status.data_len = res - 14; | |
3235 | event.eapol_tx_status.ack = acked; | |
3236 | wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event); | |
3237 | } | |
3238 | ||
3239 | ||
cc7a48d1 JB |
3240 | static int nl80211_init_bss(struct i802_bss *bss) |
3241 | { | |
3242 | bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
3243 | if (!bss->nl_cb) | |
3244 | return -1; | |
3245 | ||
3246 | nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
3247 | no_seq_check, NULL); | |
3248 | nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
3249 | process_bss_event, bss); | |
3250 | ||
3251 | return 0; | |
3252 | } | |
3253 | ||
3254 | ||
3255 | static void nl80211_destroy_bss(struct i802_bss *bss) | |
3256 | { | |
3257 | nl_cb_put(bss->nl_cb); | |
3258 | bss->nl_cb = NULL; | |
3259 | } | |
3260 | ||
3261 | ||
9fff9fdc JM |
3262 | /** |
3263 | * wpa_driver_nl80211_init - Initialize nl80211 driver interface | |
3264 | * @ctx: context to be used when calling wpa_supplicant functions, | |
3265 | * e.g., wpa_supplicant_event() | |
3266 | * @ifname: interface name, e.g., wlan0 | |
f2ed8023 | 3267 | * @global_priv: private driver global data from global_init() |
9fff9fdc JM |
3268 | * Returns: Pointer to private data, %NULL on failure |
3269 | */ | |
f2ed8023 JM |
3270 | static void * wpa_driver_nl80211_init(void *ctx, const char *ifname, |
3271 | void *global_priv) | |
9fff9fdc | 3272 | { |
9fff9fdc | 3273 | struct wpa_driver_nl80211_data *drv; |
8401a6b0 | 3274 | struct rfkill_config *rcfg; |
a2e40bb6 | 3275 | struct i802_bss *bss; |
9fff9fdc | 3276 | |
a5c696ad JM |
3277 | if (global_priv == NULL) |
3278 | return NULL; | |
9fff9fdc JM |
3279 | drv = os_zalloc(sizeof(*drv)); |
3280 | if (drv == NULL) | |
3281 | return NULL; | |
f2ed8023 | 3282 | drv->global = global_priv; |
9fff9fdc | 3283 | drv->ctx = ctx; |
a2e40bb6 FF |
3284 | bss = &drv->first_bss; |
3285 | bss->drv = drv; | |
a5e1eb20 SE |
3286 | bss->ctx = ctx; |
3287 | ||
a2e40bb6 | 3288 | os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname)); |
9fff9fdc JM |
3289 | drv->monitor_ifidx = -1; |
3290 | drv->monitor_sock = -1; | |
d12dab4c | 3291 | drv->eapol_tx_sock = -1; |
b1f625e0 | 3292 | drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; |
9fff9fdc | 3293 | |
ba2d0d7d | 3294 | if (wpa_driver_nl80211_init_nl(drv)) { |
bbaf0837 JM |
3295 | os_free(drv); |
3296 | return NULL; | |
3297 | } | |
9fff9fdc | 3298 | |
cc7a48d1 JB |
3299 | if (nl80211_init_bss(bss)) |
3300 | goto failed; | |
3301 | ||
6859f1cb BG |
3302 | nl80211_get_phy_name(drv); |
3303 | ||
8401a6b0 JM |
3304 | rcfg = os_zalloc(sizeof(*rcfg)); |
3305 | if (rcfg == NULL) | |
3306 | goto failed; | |
3307 | rcfg->ctx = drv; | |
3308 | os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname)); | |
3309 | rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked; | |
3310 | rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked; | |
3311 | drv->rfkill = rfkill_init(rcfg); | |
52169389 | 3312 | if (drv->rfkill == NULL) { |
8401a6b0 | 3313 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available"); |
52169389 JM |
3314 | os_free(rcfg); |
3315 | } | |
8401a6b0 | 3316 | |
08063178 | 3317 | if (wpa_driver_nl80211_finish_drv_init(drv)) |
bbaf0837 | 3318 | goto failed; |
7524cfb1 | 3319 | |
d12dab4c | 3320 | drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0); |
32ab4855 JB |
3321 | if (drv->eapol_tx_sock < 0) |
3322 | goto failed; | |
3323 | ||
3324 | if (drv->data_tx_status) { | |
3325 | int enabled = 1; | |
3326 | ||
3327 | if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS, | |
3328 | &enabled, sizeof(enabled)) < 0) { | |
3329 | wpa_printf(MSG_DEBUG, | |
3330 | "nl80211: wifi status sockopt failed\n"); | |
3331 | drv->data_tx_status = 0; | |
a11241fa JB |
3332 | if (!drv->use_monitor) |
3333 | drv->capa.flags &= | |
3334 | ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
32ab4855 JB |
3335 | } else { |
3336 | eloop_register_read_sock(drv->eapol_tx_sock, | |
3337 | wpa_driver_nl80211_handle_eapol_tx_status, | |
3338 | drv, NULL); | |
3339 | } | |
3340 | } | |
f10bfc9a | 3341 | |
dac12351 | 3342 | if (drv->global) { |
c4bb8817 | 3343 | dl_list_add(&drv->global->interfaces, &drv->list); |
dac12351 BG |
3344 | drv->in_interface_list = 1; |
3345 | } | |
c4bb8817 | 3346 | |
a2e40bb6 | 3347 | return bss; |
7524cfb1 | 3348 | |
bbaf0837 | 3349 | failed: |
dac12351 | 3350 | wpa_driver_nl80211_deinit(bss); |
7524cfb1 JM |
3351 | return NULL; |
3352 | } | |
3353 | ||
3354 | ||
a11241fa | 3355 | static int nl80211_register_frame(struct i802_bss *bss, |
5582a5d1 | 3356 | struct nl_handle *nl_handle, |
bd94971e | 3357 | u16 type, const u8 *match, size_t match_len) |
58f6fbe0 | 3358 | { |
a11241fa | 3359 | struct wpa_driver_nl80211_data *drv = bss->drv; |
58f6fbe0 JM |
3360 | struct nl_msg *msg; |
3361 | int ret = -1; | |
3362 | ||
3363 | msg = nlmsg_alloc(); | |
3364 | if (!msg) | |
3365 | return -1; | |
3366 | ||
36488c05 JM |
3367 | wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x nl_handle=%p", |
3368 | type, nl_handle); | |
3369 | wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match", | |
3370 | match, match_len); | |
3371 | ||
9fb04070 | 3372 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_ACTION); |
58f6fbe0 | 3373 | |
a11241fa | 3374 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); |
bd94971e | 3375 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type); |
58f6fbe0 JM |
3376 | NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match); |
3377 | ||
d6c9aab8 | 3378 | ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL); |
58f6fbe0 JM |
3379 | msg = NULL; |
3380 | if (ret) { | |
5582a5d1 JB |
3381 | wpa_printf(MSG_DEBUG, "nl80211: Register frame command " |
3382 | "failed (type=%u): ret=%d (%s)", | |
3383 | type, ret, strerror(-ret)); | |
3384 | wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match", | |
58f6fbe0 JM |
3385 | match, match_len); |
3386 | goto nla_put_failure; | |
3387 | } | |
3388 | ret = 0; | |
3389 | nla_put_failure: | |
3390 | nlmsg_free(msg); | |
3391 | return ret; | |
3392 | } | |
3393 | ||
3394 | ||
a11241fa JB |
3395 | static int nl80211_alloc_mgmt_handle(struct i802_bss *bss) |
3396 | { | |
3397 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3398 | ||
481234cf | 3399 | if (bss->nl_mgmt) { |
a11241fa | 3400 | wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting " |
36488c05 | 3401 | "already on! (nl_mgmt=%p)", bss->nl_mgmt); |
a11241fa JB |
3402 | return -1; |
3403 | } | |
3404 | ||
481234cf JM |
3405 | bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt"); |
3406 | if (bss->nl_mgmt == NULL) | |
a11241fa JB |
3407 | return -1; |
3408 | ||
481234cf | 3409 | eloop_register_read_sock(nl_socket_get_fd(bss->nl_mgmt), |
a11241fa | 3410 | wpa_driver_nl80211_event_receive, bss->nl_cb, |
481234cf | 3411 | bss->nl_mgmt); |
a11241fa JB |
3412 | |
3413 | return 0; | |
3414 | } | |
3415 | ||
3416 | ||
3417 | static int nl80211_register_action_frame(struct i802_bss *bss, | |
bd94971e JB |
3418 | const u8 *match, size_t match_len) |
3419 | { | |
3420 | u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4); | |
481234cf | 3421 | return nl80211_register_frame(bss, bss->nl_mgmt, |
5582a5d1 | 3422 | type, match, match_len); |
bd94971e JB |
3423 | } |
3424 | ||
3425 | ||
a11241fa | 3426 | static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss) |
58f6fbe0 | 3427 | { |
a11241fa JB |
3428 | struct wpa_driver_nl80211_data *drv = bss->drv; |
3429 | ||
3430 | if (nl80211_alloc_mgmt_handle(bss)) | |
3431 | return -1; | |
36488c05 JM |
3432 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP " |
3433 | "handle %p", bss->nl_mgmt); | |
a11241fa | 3434 | |
4fe9fa0d | 3435 | #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) |
046b26a2 | 3436 | /* GAS Initial Request */ |
a11241fa | 3437 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0) |
046b26a2 JM |
3438 | return -1; |
3439 | /* GAS Initial Response */ | |
a11241fa | 3440 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0) |
046b26a2 | 3441 | return -1; |
18708aad | 3442 | /* GAS Comeback Request */ |
a11241fa | 3443 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0) |
18708aad JM |
3444 | return -1; |
3445 | /* GAS Comeback Response */ | |
a11241fa | 3446 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0) |
18708aad | 3447 | return -1; |
4fe9fa0d JM |
3448 | #endif /* CONFIG_P2P || CONFIG_INTERWORKING */ |
3449 | #ifdef CONFIG_P2P | |
046b26a2 | 3450 | /* P2P Public Action */ |
a11241fa | 3451 | if (nl80211_register_action_frame(bss, |
046b26a2 JM |
3452 | (u8 *) "\x04\x09\x50\x6f\x9a\x09", |
3453 | 6) < 0) | |
3454 | return -1; | |
3455 | /* P2P Action */ | |
a11241fa | 3456 | if (nl80211_register_action_frame(bss, |
046b26a2 JM |
3457 | (u8 *) "\x7f\x50\x6f\x9a\x09", |
3458 | 5) < 0) | |
3459 | return -1; | |
3460 | #endif /* CONFIG_P2P */ | |
7d878ca7 JM |
3461 | #ifdef CONFIG_IEEE80211W |
3462 | /* SA Query Response */ | |
a11241fa | 3463 | if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0) |
7d878ca7 JM |
3464 | return -1; |
3465 | #endif /* CONFIG_IEEE80211W */ | |
35287637 AN |
3466 | #ifdef CONFIG_TDLS |
3467 | if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) { | |
3468 | /* TDLS Discovery Response */ | |
aa543c0c | 3469 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) < |
35287637 AN |
3470 | 0) |
3471 | return -1; | |
3472 | } | |
3473 | #endif /* CONFIG_TDLS */ | |
046b26a2 | 3474 | |
7b90c16a | 3475 | /* FT Action frames */ |
a11241fa | 3476 | if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0) |
7b90c16a JM |
3477 | return -1; |
3478 | else | |
3479 | drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT | | |
3480 | WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK; | |
3481 | ||
71269b37 | 3482 | /* WNM - BSS Transition Management Request */ |
a11241fa JB |
3483 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0) |
3484 | return -1; | |
bd896433 JM |
3485 | /* WNM-Sleep Mode Response */ |
3486 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0) | |
3487 | return -1; | |
a11241fa JB |
3488 | |
3489 | return 0; | |
3490 | } | |
3491 | ||
3492 | ||
02bb32c3 JB |
3493 | static int nl80211_register_spurious_class3(struct i802_bss *bss) |
3494 | { | |
3495 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3496 | struct nl_msg *msg; | |
3497 | int ret = -1; | |
3498 | ||
3499 | msg = nlmsg_alloc(); | |
3500 | if (!msg) | |
3501 | return -1; | |
3502 | ||
3503 | nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME); | |
3504 | ||
3505 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
3506 | ||
481234cf | 3507 | ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL); |
02bb32c3 JB |
3508 | msg = NULL; |
3509 | if (ret) { | |
3510 | wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 " | |
3511 | "failed: ret=%d (%s)", | |
3512 | ret, strerror(-ret)); | |
3513 | goto nla_put_failure; | |
3514 | } | |
3515 | ret = 0; | |
3516 | nla_put_failure: | |
3517 | nlmsg_free(msg); | |
3518 | return ret; | |
3519 | } | |
3520 | ||
3521 | ||
a11241fa JB |
3522 | static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss) |
3523 | { | |
3524 | static const int stypes[] = { | |
3525 | WLAN_FC_STYPE_AUTH, | |
3526 | WLAN_FC_STYPE_ASSOC_REQ, | |
3527 | WLAN_FC_STYPE_REASSOC_REQ, | |
3528 | WLAN_FC_STYPE_DISASSOC, | |
3529 | WLAN_FC_STYPE_DEAUTH, | |
3530 | WLAN_FC_STYPE_ACTION, | |
3531 | WLAN_FC_STYPE_PROBE_REQ, | |
3532 | /* Beacon doesn't work as mac80211 doesn't currently allow | |
3533 | * it, but it wouldn't really be the right thing anyway as | |
3534 | * it isn't per interface ... maybe just dump the scan | |
3535 | * results periodically for OLBC? | |
3536 | */ | |
3537 | // WLAN_FC_STYPE_BEACON, | |
3538 | }; | |
3539 | unsigned int i; | |
3540 | ||
3541 | if (nl80211_alloc_mgmt_handle(bss)) | |
71269b37 | 3542 | return -1; |
36488c05 JM |
3543 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " |
3544 | "handle %p", bss->nl_mgmt); | |
71269b37 | 3545 | |
a11241fa | 3546 | for (i = 0; i < sizeof(stypes) / sizeof(stypes[0]); i++) { |
481234cf | 3547 | if (nl80211_register_frame(bss, bss->nl_mgmt, |
a11241fa JB |
3548 | (WLAN_FC_TYPE_MGMT << 2) | |
3549 | (stypes[i] << 4), | |
3550 | NULL, 0) < 0) { | |
3551 | goto out_err; | |
3552 | } | |
3553 | } | |
3554 | ||
02bb32c3 JB |
3555 | if (nl80211_register_spurious_class3(bss)) |
3556 | goto out_err; | |
3557 | ||
e32ad281 JB |
3558 | if (nl80211_get_wiphy_data_ap(bss) == NULL) |
3559 | goto out_err; | |
3560 | ||
58f6fbe0 | 3561 | return 0; |
a11241fa JB |
3562 | |
3563 | out_err: | |
481234cf | 3564 | eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt)); |
a11241fa JB |
3565 | nl_destroy_handles(&bss->nl_mgmt); |
3566 | return -1; | |
3567 | } | |
3568 | ||
3569 | ||
a6cc0602 JM |
3570 | static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss) |
3571 | { | |
3572 | if (nl80211_alloc_mgmt_handle(bss)) | |
3573 | return -1; | |
3574 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " | |
3575 | "handle %p (device SME)", bss->nl_mgmt); | |
3576 | ||
3577 | if (nl80211_register_frame(bss, bss->nl_mgmt, | |
3578 | (WLAN_FC_TYPE_MGMT << 2) | | |
3579 | (WLAN_FC_STYPE_ACTION << 4), | |
3580 | NULL, 0) < 0) | |
3581 | goto out_err; | |
3582 | ||
3583 | return 0; | |
3584 | ||
3585 | out_err: | |
3586 | eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt)); | |
3587 | nl_destroy_handles(&bss->nl_mgmt); | |
3588 | return -1; | |
3589 | } | |
3590 | ||
3591 | ||
36488c05 | 3592 | static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason) |
a11241fa | 3593 | { |
481234cf | 3594 | if (bss->nl_mgmt == NULL) |
a11241fa | 3595 | return; |
36488c05 JM |
3596 | wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p " |
3597 | "(%s)", bss->nl_mgmt, reason); | |
481234cf | 3598 | eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt)); |
a11241fa | 3599 | nl_destroy_handles(&bss->nl_mgmt); |
e32ad281 JB |
3600 | |
3601 | nl80211_put_wiphy_data_ap(bss); | |
58f6fbe0 JM |
3602 | } |
3603 | ||
3604 | ||
8401a6b0 JM |
3605 | static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx) |
3606 | { | |
3607 | wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL); | |
3608 | } | |
3609 | ||
3610 | ||
362f781e | 3611 | static int |
7524cfb1 JM |
3612 | wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv) |
3613 | { | |
a2e40bb6 | 3614 | struct i802_bss *bss = &drv->first_bss; |
8401a6b0 | 3615 | int send_rfkill_event = 0; |
a2e40bb6 FF |
3616 | |
3617 | drv->ifindex = if_nametoindex(bss->ifname); | |
3618 | drv->first_bss.ifindex = drv->ifindex; | |
a87c9d96 | 3619 | |
bbaf0837 | 3620 | #ifndef HOSTAPD |
ff6a158b JM |
3621 | /* |
3622 | * Make sure the interface starts up in station mode unless this is a | |
3623 | * dynamically added interface (e.g., P2P) that was already configured | |
3624 | * with proper iftype. | |
3625 | */ | |
a5c696ad | 3626 | if (drv->ifindex != drv->global->if_add_ifindex && |
b1f625e0 | 3627 | wpa_driver_nl80211_set_mode(bss, NL80211_IFTYPE_STATION) < 0) { |
6e8183d7 | 3628 | wpa_printf(MSG_ERROR, "nl80211: Could not configure driver to " |
a87c9d96 | 3629 | "use managed mode"); |
6e8183d7 | 3630 | return -1; |
a87c9d96 JM |
3631 | } |
3632 | ||
c81eff1a | 3633 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) { |
8401a6b0 JM |
3634 | if (rfkill_is_blocked(drv->rfkill)) { |
3635 | wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable " | |
3636 | "interface '%s' due to rfkill", | |
3637 | bss->ifname); | |
a63063b4 | 3638 | drv->if_disabled = 1; |
8401a6b0 JM |
3639 | send_rfkill_event = 1; |
3640 | } else { | |
3641 | wpa_printf(MSG_ERROR, "nl80211: Could not set " | |
3642 | "interface '%s' UP", bss->ifname); | |
3643 | return -1; | |
3644 | } | |
362f781e | 3645 | } |
3f5285e8 | 3646 | |
36d84860 | 3647 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, |
e2d02c29 | 3648 | 1, IF_OPER_DORMANT); |
bbaf0837 | 3649 | #endif /* HOSTAPD */ |
362f781e | 3650 | |
2fee890a JM |
3651 | if (wpa_driver_nl80211_capa(drv)) |
3652 | return -1; | |
3653 | ||
c81eff1a | 3654 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, |
341eebee | 3655 | bss->addr)) |
2136f480 | 3656 | return -1; |
f2ed8023 | 3657 | |
8401a6b0 JM |
3658 | if (send_rfkill_event) { |
3659 | eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill, | |
3660 | drv, drv->ctx); | |
3661 | } | |
3662 | ||
362f781e | 3663 | return 0; |
3f5285e8 JM |
3664 | } |
3665 | ||
3666 | ||
8a27af5c JM |
3667 | static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv) |
3668 | { | |
3669 | struct nl_msg *msg; | |
3670 | ||
3671 | msg = nlmsg_alloc(); | |
3672 | if (!msg) | |
3673 | return -ENOMEM; | |
3674 | ||
9fb04070 | 3675 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_BEACON); |
8a27af5c JM |
3676 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
3677 | ||
3678 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
3679 | nla_put_failure: | |
5883168a | 3680 | nlmsg_free(msg); |
8a27af5c JM |
3681 | return -ENOBUFS; |
3682 | } | |
8a27af5c JM |
3683 | |
3684 | ||
3f5285e8 | 3685 | /** |
7e5ba1b9 | 3686 | * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface |
9ebce9c5 | 3687 | * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init() |
3f5285e8 JM |
3688 | * |
3689 | * Shut down driver interface and processing of driver events. Free | |
3690 | * private data buffer if one was allocated in wpa_driver_nl80211_init(). | |
3691 | */ | |
9ebce9c5 | 3692 | static void wpa_driver_nl80211_deinit(struct i802_bss *bss) |
3f5285e8 | 3693 | { |
a2e40bb6 | 3694 | struct wpa_driver_nl80211_data *drv = bss->drv; |
3f5285e8 | 3695 | |
873d0fcf | 3696 | bss->in_deinit = 1; |
32ab4855 JB |
3697 | if (drv->data_tx_status) |
3698 | eloop_unregister_read_sock(drv->eapol_tx_sock); | |
d12dab4c JB |
3699 | if (drv->eapol_tx_sock >= 0) |
3700 | close(drv->eapol_tx_sock); | |
f10bfc9a | 3701 | |
481234cf | 3702 | if (bss->nl_preq) |
5582a5d1 | 3703 | wpa_driver_nl80211_probe_req_report(bss, 0); |
e17a2477 | 3704 | if (bss->added_if_into_bridge) { |
c81eff1a BG |
3705 | if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, |
3706 | bss->ifname) < 0) | |
94627f6c JM |
3707 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " |
3708 | "interface %s from bridge %s: %s", | |
e17a2477 | 3709 | bss->ifname, bss->brname, strerror(errno)); |
94627f6c | 3710 | } |
e17a2477 | 3711 | if (bss->added_bridge) { |
c81eff1a | 3712 | if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) |
94627f6c JM |
3713 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " |
3714 | "bridge %s: %s", | |
e17a2477 | 3715 | bss->brname, strerror(errno)); |
94627f6c JM |
3716 | } |
3717 | ||
460456f8 | 3718 | nl80211_remove_monitor_interface(drv); |
8a27af5c | 3719 | |
b1f625e0 | 3720 | if (is_ap_interface(drv->nlmode)) |
8a27af5c | 3721 | wpa_driver_nl80211_del_beacon(drv); |
0915d02c | 3722 | |
bbaf0837 JM |
3723 | #ifdef HOSTAPD |
3724 | if (drv->last_freq_ht) { | |
3725 | /* Clear HT flags from the driver */ | |
3726 | struct hostapd_freq_params freq; | |
3727 | os_memset(&freq, 0, sizeof(freq)); | |
3728 | freq.freq = drv->last_freq; | |
9ebce9c5 | 3729 | wpa_driver_nl80211_set_freq(bss, &freq); |
bbaf0837 JM |
3730 | } |
3731 | ||
bbaf0837 JM |
3732 | if (drv->eapol_sock >= 0) { |
3733 | eloop_unregister_read_sock(drv->eapol_sock); | |
3734 | close(drv->eapol_sock); | |
3735 | } | |
3736 | ||
3737 | if (drv->if_indices != drv->default_if_indices) | |
3738 | os_free(drv->if_indices); | |
1b648c7e | 3739 | #endif /* HOSTAPD */ |
3f5285e8 | 3740 | |
b3af99d2 | 3741 | if (drv->disabled_11b_rates) |
4e5cb1a3 JM |
3742 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); |
3743 | ||
36d84860 BG |
3744 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0, |
3745 | IF_OPER_UP); | |
8401a6b0 | 3746 | rfkill_deinit(drv->rfkill); |
3f5285e8 | 3747 | |
bbaf0837 JM |
3748 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); |
3749 | ||
c81eff1a | 3750 | (void) linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0); |
b1f625e0 | 3751 | wpa_driver_nl80211_set_mode(bss, NL80211_IFTYPE_STATION); |
36488c05 | 3752 | nl80211_mgmt_unsubscribe(bss, "deinit"); |
3f5285e8 | 3753 | |
1afc986d | 3754 | nl_cb_put(drv->nl_cb); |
3f5285e8 | 3755 | |
cc7a48d1 JB |
3756 | nl80211_destroy_bss(&drv->first_bss); |
3757 | ||
3812464c JM |
3758 | os_free(drv->filter_ssids); |
3759 | ||
536fd62d JM |
3760 | os_free(drv->auth_ie); |
3761 | ||
dac12351 | 3762 | if (drv->in_interface_list) |
f2ed8023 JM |
3763 | dl_list_del(&drv->list); |
3764 | ||
8cd6b7bc JB |
3765 | os_free(drv->extended_capa); |
3766 | os_free(drv->extended_capa_mask); | |
3f5285e8 JM |
3767 | os_free(drv); |
3768 | } | |
3769 | ||
3770 | ||
3771 | /** | |
3772 | * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion | |
ad1e68e6 | 3773 | * @eloop_ctx: Driver private data |
3f5285e8 JM |
3774 | * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init() |
3775 | * | |
3776 | * This function can be used as registered timeout when starting a scan to | |
3777 | * generate a scan completed event if the driver does not report this. | |
3778 | */ | |
3779 | static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx) | |
3780 | { | |
ad1e68e6 | 3781 | struct wpa_driver_nl80211_data *drv = eloop_ctx; |
b1f625e0 | 3782 | if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) { |
a2e40bb6 | 3783 | wpa_driver_nl80211_set_mode(&drv->first_bss, |
b1f625e0 EP |
3784 | drv->ap_scan_as_station); |
3785 | drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; | |
ad1e68e6 | 3786 | } |
3f5285e8 JM |
3787 | wpa_printf(MSG_DEBUG, "Scan timeout - try to get results"); |
3788 | wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL); | |
3789 | } | |
3790 | ||
3791 | ||
95ac3bf4 JM |
3792 | static struct nl_msg * |
3793 | nl80211_scan_common(struct wpa_driver_nl80211_data *drv, u8 cmd, | |
3794 | struct wpa_driver_scan_params *params) | |
3f5285e8 | 3795 | { |
95ac3bf4 | 3796 | struct nl_msg *msg; |
6a1063e0 | 3797 | size_t i; |
3f5285e8 | 3798 | |
0e75527f | 3799 | msg = nlmsg_alloc(); |
f0494d0f | 3800 | if (!msg) |
95ac3bf4 | 3801 | return NULL; |
3812464c | 3802 | |
95ac3bf4 | 3803 | nl80211_cmd(drv, msg, 0, cmd); |
0e75527f | 3804 | |
95ac3bf4 JM |
3805 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) < 0) |
3806 | goto fail; | |
3f5285e8 | 3807 | |
f0494d0f | 3808 | if (params->num_ssids) { |
8970bae8 JB |
3809 | struct nlattr *ssids; |
3810 | ||
3811 | ssids = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
f0494d0f | 3812 | if (ssids == NULL) |
95ac3bf4 | 3813 | goto fail; |
f0494d0f JM |
3814 | for (i = 0; i < params->num_ssids; i++) { |
3815 | wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID", | |
3816 | params->ssids[i].ssid, | |
3817 | params->ssids[i].ssid_len); | |
8970bae8 JB |
3818 | if (nla_put(msg, i + 1, params->ssids[i].ssid_len, |
3819 | params->ssids[i].ssid) < 0) | |
95ac3bf4 | 3820 | goto fail; |
f0494d0f | 3821 | } |
8970bae8 | 3822 | nla_nest_end(msg, ssids); |
3f5285e8 JM |
3823 | } |
3824 | ||
d173df52 | 3825 | if (params->extra_ies) { |
3b1c7bfd JM |
3826 | wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs", |
3827 | params->extra_ies, params->extra_ies_len); | |
95ac3bf4 JM |
3828 | if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len, |
3829 | params->extra_ies) < 0) | |
3830 | goto fail; | |
d173df52 JM |
3831 | } |
3832 | ||
d3a98225 | 3833 | if (params->freqs) { |
8970bae8 JB |
3834 | struct nlattr *freqs; |
3835 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
f0494d0f | 3836 | if (freqs == NULL) |
95ac3bf4 | 3837 | goto fail; |
9fad706c JM |
3838 | for (i = 0; params->freqs[i]; i++) { |
3839 | wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u " | |
3840 | "MHz", params->freqs[i]); | |
8970bae8 | 3841 | if (nla_put_u32(msg, i + 1, params->freqs[i]) < 0) |
95ac3bf4 | 3842 | goto fail; |
9fad706c | 3843 | } |
8970bae8 | 3844 | nla_nest_end(msg, freqs); |
d3a98225 JM |
3845 | } |
3846 | ||
95ac3bf4 JM |
3847 | os_free(drv->filter_ssids); |
3848 | drv->filter_ssids = params->filter_ssids; | |
3849 | params->filter_ssids = NULL; | |
3850 | drv->num_filter_ssids = params->num_filter_ssids; | |
3851 | ||
3852 | return msg; | |
3853 | ||
3854 | fail: | |
3855 | nlmsg_free(msg); | |
3856 | return NULL; | |
3857 | } | |
3858 | ||
3859 | ||
3860 | /** | |
3861 | * wpa_driver_nl80211_scan - Request the driver to initiate scan | |
9ebce9c5 | 3862 | * @bss: Pointer to private driver data from wpa_driver_nl80211_init() |
95ac3bf4 JM |
3863 | * @params: Scan parameters |
3864 | * Returns: 0 on success, -1 on failure | |
3865 | */ | |
9ebce9c5 | 3866 | static int wpa_driver_nl80211_scan(struct i802_bss *bss, |
95ac3bf4 JM |
3867 | struct wpa_driver_scan_params *params) |
3868 | { | |
95ac3bf4 JM |
3869 | struct wpa_driver_nl80211_data *drv = bss->drv; |
3870 | int ret = -1, timeout; | |
8970bae8 | 3871 | struct nl_msg *msg = NULL; |
95ac3bf4 | 3872 | |
565110cd | 3873 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: scan request"); |
95ac3bf4 JM |
3874 | drv->scan_for_auth = 0; |
3875 | ||
3876 | msg = nl80211_scan_common(drv, NL80211_CMD_TRIGGER_SCAN, params); | |
3877 | if (!msg) | |
3878 | return -1; | |
3879 | ||
47185fc7 | 3880 | if (params->p2p_probe) { |
8970bae8 JB |
3881 | struct nlattr *rates; |
3882 | ||
8a6a1e1b JM |
3883 | wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates"); |
3884 | ||
8970bae8 | 3885 | rates = nla_nest_start(msg, NL80211_ATTR_SCAN_SUPP_RATES); |
f0494d0f JM |
3886 | if (rates == NULL) |
3887 | goto nla_put_failure; | |
3888 | ||
47185fc7 RM |
3889 | /* |
3890 | * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates | |
3891 | * by masking out everything else apart from the OFDM rates 6, | |
3892 | * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz | |
3893 | * rates are left enabled. | |
3894 | */ | |
8970bae8 | 3895 | NLA_PUT(msg, NL80211_BAND_2GHZ, 8, |
47185fc7 | 3896 | "\x0c\x12\x18\x24\x30\x48\x60\x6c"); |
8970bae8 | 3897 | nla_nest_end(msg, rates); |
970fa12e RM |
3898 | |
3899 | NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE); | |
47185fc7 RM |
3900 | } |
3901 | ||
0e75527f JM |
3902 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
3903 | msg = NULL; | |
3904 | if (ret) { | |
3905 | wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d " | |
3906 | "(%s)", ret, strerror(-ret)); | |
ad1e68e6 | 3907 | #ifdef HOSTAPD |
b1f625e0 | 3908 | if (is_ap_interface(drv->nlmode)) { |
ad1e68e6 JM |
3909 | /* |
3910 | * mac80211 does not allow scan requests in AP mode, so | |
3911 | * try to do this in station mode. | |
3912 | */ | |
b1f625e0 EP |
3913 | if (wpa_driver_nl80211_set_mode( |
3914 | bss, NL80211_IFTYPE_STATION)) | |
ad1e68e6 JM |
3915 | goto nla_put_failure; |
3916 | ||
085b29f1 | 3917 | if (wpa_driver_nl80211_scan(bss, params)) { |
b1f625e0 | 3918 | wpa_driver_nl80211_set_mode(bss, drv->nlmode); |
ad1e68e6 JM |
3919 | goto nla_put_failure; |
3920 | } | |
3921 | ||
3922 | /* Restore AP mode when processing scan results */ | |
b1f625e0 | 3923 | drv->ap_scan_as_station = drv->nlmode; |
ad1e68e6 JM |
3924 | ret = 0; |
3925 | } else | |
3926 | goto nla_put_failure; | |
3927 | #else /* HOSTAPD */ | |
0e75527f | 3928 | goto nla_put_failure; |
ad1e68e6 | 3929 | #endif /* HOSTAPD */ |
3f5285e8 JM |
3930 | } |
3931 | ||
3932 | /* Not all drivers generate "scan completed" wireless event, so try to | |
3933 | * read results after a timeout. */ | |
0e75527f | 3934 | timeout = 10; |
3f5285e8 JM |
3935 | if (drv->scan_complete_events) { |
3936 | /* | |
d173df52 JM |
3937 | * The driver seems to deliver events to notify when scan is |
3938 | * complete, so use longer timeout to avoid race conditions | |
3939 | * with scanning and following association request. | |
3f5285e8 JM |
3940 | */ |
3941 | timeout = 30; | |
3942 | } | |
3943 | wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d " | |
3944 | "seconds", ret, timeout); | |
3945 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); | |
0e75527f JM |
3946 | eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout, |
3947 | drv, drv->ctx); | |
3f5285e8 | 3948 | |
0e75527f | 3949 | nla_put_failure: |
0e75527f | 3950 | nlmsg_free(msg); |
3f5285e8 JM |
3951 | return ret; |
3952 | } | |
3953 | ||
3954 | ||
d21c63b9 LC |
3955 | /** |
3956 | * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan | |
3957 | * @priv: Pointer to private driver data from wpa_driver_nl80211_init() | |
3958 | * @params: Scan parameters | |
3959 | * @interval: Interval between scan cycles in milliseconds | |
3960 | * Returns: 0 on success, -1 on failure or if not supported | |
3961 | */ | |
3962 | static int wpa_driver_nl80211_sched_scan(void *priv, | |
3963 | struct wpa_driver_scan_params *params, | |
3964 | u32 interval) | |
3965 | { | |
3966 | struct i802_bss *bss = priv; | |
3967 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6afbc3d6 | 3968 | int ret = -1; |
95ac3bf4 | 3969 | struct nl_msg *msg; |
d21c63b9 LC |
3970 | size_t i; |
3971 | ||
565110cd JM |
3972 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: sched_scan request"); |
3973 | ||
216eede8 DS |
3974 | #ifdef ANDROID |
3975 | if (!drv->capa.sched_scan_supported) | |
3976 | return android_pno_start(bss, params); | |
3977 | #endif /* ANDROID */ | |
3978 | ||
95ac3bf4 | 3979 | msg = nl80211_scan_common(drv, NL80211_CMD_START_SCHED_SCAN, params); |
6afbc3d6 JM |
3980 | if (!msg) |
3981 | goto nla_put_failure; | |
d21c63b9 | 3982 | |
d21c63b9 LC |
3983 | NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval); |
3984 | ||
bf8d6d24 TP |
3985 | if ((drv->num_filter_ssids && |
3986 | (int) drv->num_filter_ssids <= drv->capa.max_match_sets) || | |
3987 | params->filter_rssi) { | |
8970bae8 JB |
3988 | struct nlattr *match_sets; |
3989 | match_sets = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
6afbc3d6 JM |
3990 | if (match_sets == NULL) |
3991 | goto nla_put_failure; | |
bd525934 LC |
3992 | |
3993 | for (i = 0; i < drv->num_filter_ssids; i++) { | |
8970bae8 | 3994 | struct nlattr *match_set_ssid; |
bd525934 LC |
3995 | wpa_hexdump_ascii(MSG_MSGDUMP, |
3996 | "nl80211: Sched scan filter SSID", | |
3997 | drv->filter_ssids[i].ssid, | |
3998 | drv->filter_ssids[i].ssid_len); | |
3999 | ||
8970bae8 | 4000 | match_set_ssid = nla_nest_start(msg, i + 1); |
6afbc3d6 JM |
4001 | if (match_set_ssid == NULL) |
4002 | goto nla_put_failure; | |
8970bae8 | 4003 | NLA_PUT(msg, NL80211_ATTR_SCHED_SCAN_MATCH_SSID, |
bd525934 LC |
4004 | drv->filter_ssids[i].ssid_len, |
4005 | drv->filter_ssids[i].ssid); | |
4006 | ||
8970bae8 | 4007 | nla_nest_end(msg, match_sets); |
bd525934 LC |
4008 | } |
4009 | ||
bf8d6d24 | 4010 | if (params->filter_rssi) { |
8970bae8 JB |
4011 | struct nlattr *match_set_rssi; |
4012 | match_set_rssi = nla_nest_start(msg, 0); | |
6afbc3d6 JM |
4013 | if (match_set_rssi == NULL) |
4014 | goto nla_put_failure; | |
8970bae8 | 4015 | NLA_PUT_U32(msg, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI, |
bf8d6d24 TP |
4016 | params->filter_rssi); |
4017 | wpa_printf(MSG_MSGDUMP, | |
4018 | "nl80211: Sched scan RSSI filter %d dBm", | |
4019 | params->filter_rssi); | |
8970bae8 | 4020 | nla_nest_end(msg, match_set_rssi); |
bf8d6d24 TP |
4021 | } |
4022 | ||
8970bae8 | 4023 | nla_nest_end(msg, match_sets); |
bd525934 LC |
4024 | } |
4025 | ||
d21c63b9 LC |
4026 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
4027 | ||
4028 | /* TODO: if we get an error here, we should fall back to normal scan */ | |
4029 | ||
4030 | msg = NULL; | |
4031 | if (ret) { | |
4032 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: " | |
4033 | "ret=%d (%s)", ret, strerror(-ret)); | |
4034 | goto nla_put_failure; | |
4035 | } | |
4036 | ||
4037 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d) - " | |
4038 | "scan interval %d msec", ret, interval); | |
4039 | ||
4040 | nla_put_failure: | |
d21c63b9 | 4041 | nlmsg_free(msg); |
d21c63b9 LC |
4042 | return ret; |
4043 | } | |
4044 | ||
4045 | ||
4046 | /** | |
4047 | * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan | |
4048 | * @priv: Pointer to private driver data from wpa_driver_nl80211_init() | |
4049 | * Returns: 0 on success, -1 on failure or if not supported | |
4050 | */ | |
4051 | static int wpa_driver_nl80211_stop_sched_scan(void *priv) | |
4052 | { | |
4053 | struct i802_bss *bss = priv; | |
4054 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4055 | int ret = 0; | |
4056 | struct nl_msg *msg; | |
4057 | ||
216eede8 DS |
4058 | #ifdef ANDROID |
4059 | if (!drv->capa.sched_scan_supported) | |
4060 | return android_pno_stop(bss); | |
4061 | #endif /* ANDROID */ | |
4062 | ||
d21c63b9 LC |
4063 | msg = nlmsg_alloc(); |
4064 | if (!msg) | |
4065 | return -1; | |
4066 | ||
9fb04070 | 4067 | nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_SCHED_SCAN); |
d21c63b9 LC |
4068 | |
4069 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
4070 | ||
4071 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4072 | msg = NULL; | |
4073 | if (ret) { | |
4074 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop failed: " | |
4075 | "ret=%d (%s)", ret, strerror(-ret)); | |
4076 | goto nla_put_failure; | |
4077 | } | |
4078 | ||
4079 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop sent (ret=%d)", ret); | |
4080 | ||
4081 | nla_put_failure: | |
4082 | nlmsg_free(msg); | |
4083 | return ret; | |
4084 | } | |
4085 | ||
4086 | ||
3812464c JM |
4087 | static const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie) |
4088 | { | |
4089 | const u8 *end, *pos; | |
4090 | ||
4091 | if (ies == NULL) | |
4092 | return NULL; | |
4093 | ||
4094 | pos = ies; | |
4095 | end = ies + ies_len; | |
4096 | ||
4097 | while (pos + 1 < end) { | |
4098 | if (pos + 2 + pos[1] > end) | |
4099 | break; | |
4100 | if (pos[0] == ie) | |
4101 | return pos; | |
4102 | pos += 2 + pos[1]; | |
4103 | } | |
4104 | ||
4105 | return NULL; | |
4106 | } | |
4107 | ||
4108 | ||
4109 | static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv, | |
4110 | const u8 *ie, size_t ie_len) | |
4111 | { | |
4112 | const u8 *ssid; | |
4113 | size_t i; | |
4114 | ||
4115 | if (drv->filter_ssids == NULL) | |
4116 | return 0; | |
4117 | ||
4118 | ssid = nl80211_get_ie(ie, ie_len, WLAN_EID_SSID); | |
4119 | if (ssid == NULL) | |
4120 | return 1; | |
4121 | ||
4122 | for (i = 0; i < drv->num_filter_ssids; i++) { | |
4123 | if (ssid[1] == drv->filter_ssids[i].ssid_len && | |
4124 | os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) == | |
4125 | 0) | |
4126 | return 0; | |
4127 | } | |
4128 | ||
4129 | return 1; | |
4130 | } | |
4131 | ||
4132 | ||
b3db1e1c | 4133 | static int bss_info_handler(struct nl_msg *msg, void *arg) |
3f5285e8 | 4134 | { |
b3db1e1c JM |
4135 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; |
4136 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
4137 | struct nlattr *bss[NL80211_BSS_MAX + 1]; | |
4138 | static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = { | |
4139 | [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC }, | |
4140 | [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 }, | |
4141 | [NL80211_BSS_TSF] = { .type = NLA_U64 }, | |
4142 | [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 }, | |
4143 | [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 }, | |
4144 | [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC }, | |
4145 | [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 }, | |
4146 | [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 }, | |
e6b8efeb | 4147 | [NL80211_BSS_STATUS] = { .type = NLA_U32 }, |
b3ad11bb | 4148 | [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 }, |
8c090654 | 4149 | [NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC }, |
b3db1e1c | 4150 | }; |
3812464c JM |
4151 | struct nl80211_bss_info_arg *_arg = arg; |
4152 | struct wpa_scan_results *res = _arg->res; | |
3f5285e8 JM |
4153 | struct wpa_scan_res **tmp; |
4154 | struct wpa_scan_res *r; | |
8c090654 JM |
4155 | const u8 *ie, *beacon_ie; |
4156 | size_t ie_len, beacon_ie_len; | |
4157 | u8 *pos; | |
46957a9b | 4158 | size_t i; |
3f5285e8 | 4159 | |
b3db1e1c JM |
4160 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), |
4161 | genlmsg_attrlen(gnlh, 0), NULL); | |
4162 | if (!tb[NL80211_ATTR_BSS]) | |
4163 | return NL_SKIP; | |
4164 | if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS], | |
4165 | bss_policy)) | |
4166 | return NL_SKIP; | |
f5a8d422 JM |
4167 | if (bss[NL80211_BSS_STATUS]) { |
4168 | enum nl80211_bss_status status; | |
4169 | status = nla_get_u32(bss[NL80211_BSS_STATUS]); | |
4170 | if (status == NL80211_BSS_STATUS_ASSOCIATED && | |
4171 | bss[NL80211_BSS_FREQUENCY]) { | |
4172 | _arg->assoc_freq = | |
4173 | nla_get_u32(bss[NL80211_BSS_FREQUENCY]); | |
4174 | wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz", | |
4175 | _arg->assoc_freq); | |
4176 | } | |
20f5a4c2 JM |
4177 | if (status == NL80211_BSS_STATUS_ASSOCIATED && |
4178 | bss[NL80211_BSS_BSSID]) { | |
4179 | os_memcpy(_arg->assoc_bssid, | |
4180 | nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN); | |
4181 | wpa_printf(MSG_DEBUG, "nl80211: Associated with " | |
4182 | MACSTR, MAC2STR(_arg->assoc_bssid)); | |
4183 | } | |
f5a8d422 JM |
4184 | } |
4185 | if (!res) | |
4186 | return NL_SKIP; | |
b3db1e1c JM |
4187 | if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) { |
4188 | ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]); | |
4189 | ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]); | |
4190 | } else { | |
4191 | ie = NULL; | |
4192 | ie_len = 0; | |
4193 | } | |
8c090654 JM |
4194 | if (bss[NL80211_BSS_BEACON_IES]) { |
4195 | beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]); | |
4196 | beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]); | |
4197 | } else { | |
4198 | beacon_ie = NULL; | |
4199 | beacon_ie_len = 0; | |
4200 | } | |
3f5285e8 | 4201 | |
3812464c JM |
4202 | if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie, |
4203 | ie ? ie_len : beacon_ie_len)) | |
4204 | return NL_SKIP; | |
4205 | ||
8c090654 | 4206 | r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len); |
3f5285e8 | 4207 | if (r == NULL) |
b3db1e1c JM |
4208 | return NL_SKIP; |
4209 | if (bss[NL80211_BSS_BSSID]) | |
4210 | os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]), | |
4211 | ETH_ALEN); | |
4212 | if (bss[NL80211_BSS_FREQUENCY]) | |
4213 | r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]); | |
4214 | if (bss[NL80211_BSS_BEACON_INTERVAL]) | |
4215 | r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]); | |
4216 | if (bss[NL80211_BSS_CAPABILITY]) | |
4217 | r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]); | |
7c2849d2 JM |
4218 | r->flags |= WPA_SCAN_NOISE_INVALID; |
4219 | if (bss[NL80211_BSS_SIGNAL_MBM]) { | |
b3db1e1c | 4220 | r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]); |
7c2849d2 JM |
4221 | r->level /= 100; /* mBm to dBm */ |
4222 | r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID; | |
4223 | } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) { | |
4224 | r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]); | |
98ac6763 | 4225 | r->flags |= WPA_SCAN_QUAL_INVALID; |
7c2849d2 JM |
4226 | } else |
4227 | r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID; | |
b3db1e1c JM |
4228 | if (bss[NL80211_BSS_TSF]) |
4229 | r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]); | |
b3ad11bb JM |
4230 | if (bss[NL80211_BSS_SEEN_MS_AGO]) |
4231 | r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]); | |
b3db1e1c | 4232 | r->ie_len = ie_len; |
8c090654 JM |
4233 | pos = (u8 *) (r + 1); |
4234 | if (ie) { | |
4235 | os_memcpy(pos, ie, ie_len); | |
4236 | pos += ie_len; | |
4237 | } | |
4238 | r->beacon_ie_len = beacon_ie_len; | |
4239 | if (beacon_ie) | |
4240 | os_memcpy(pos, beacon_ie, beacon_ie_len); | |
3f5285e8 | 4241 | |
e6b8efeb JM |
4242 | if (bss[NL80211_BSS_STATUS]) { |
4243 | enum nl80211_bss_status status; | |
4244 | status = nla_get_u32(bss[NL80211_BSS_STATUS]); | |
4245 | switch (status) { | |
4246 | case NL80211_BSS_STATUS_AUTHENTICATED: | |
4247 | r->flags |= WPA_SCAN_AUTHENTICATED; | |
4248 | break; | |
4249 | case NL80211_BSS_STATUS_ASSOCIATED: | |
4250 | r->flags |= WPA_SCAN_ASSOCIATED; | |
4251 | break; | |
4252 | default: | |
4253 | break; | |
4254 | } | |
4255 | } | |
4256 | ||
46957a9b JM |
4257 | /* |
4258 | * cfg80211 maintains separate BSS table entries for APs if the same | |
4259 | * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does | |
4260 | * not use frequency as a separate key in the BSS table, so filter out | |
4261 | * duplicated entries. Prefer associated BSS entry in such a case in | |
4262 | * order to get the correct frequency into the BSS table. | |
4263 | */ | |
4264 | for (i = 0; i < res->num; i++) { | |
4265 | const u8 *s1, *s2; | |
4266 | if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0) | |
4267 | continue; | |
4268 | ||
4269 | s1 = nl80211_get_ie((u8 *) (res->res[i] + 1), | |
4270 | res->res[i]->ie_len, WLAN_EID_SSID); | |
4271 | s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID); | |
4272 | if (s1 == NULL || s2 == NULL || s1[1] != s2[1] || | |
4273 | os_memcmp(s1, s2, 2 + s1[1]) != 0) | |
4274 | continue; | |
4275 | ||
4276 | /* Same BSSID,SSID was already included in scan results */ | |
4277 | wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result " | |
4278 | "for " MACSTR, MAC2STR(r->bssid)); | |
4279 | ||
4280 | if ((r->flags & WPA_SCAN_ASSOCIATED) && | |
4281 | !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) { | |
4282 | os_free(res->res[i]); | |
4283 | res->res[i] = r; | |
4284 | } else | |
4285 | os_free(r); | |
4286 | return NL_SKIP; | |
4287 | } | |
4288 | ||
067ffa26 JM |
4289 | tmp = os_realloc_array(res->res, res->num + 1, |
4290 | sizeof(struct wpa_scan_res *)); | |
3f5285e8 JM |
4291 | if (tmp == NULL) { |
4292 | os_free(r); | |
b3db1e1c | 4293 | return NL_SKIP; |
3f5285e8 JM |
4294 | } |
4295 | tmp[res->num++] = r; | |
4296 | res->res = tmp; | |
b3db1e1c JM |
4297 | |
4298 | return NL_SKIP; | |
3f5285e8 | 4299 | } |
b3db1e1c | 4300 | |
3f5285e8 | 4301 | |
d72aad94 JM |
4302 | static void clear_state_mismatch(struct wpa_driver_nl80211_data *drv, |
4303 | const u8 *addr) | |
4304 | { | |
4305 | if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { | |
4306 | wpa_printf(MSG_DEBUG, "nl80211: Clear possible state " | |
582507be | 4307 | "mismatch (" MACSTR ")", MAC2STR(addr)); |
d72aad94 JM |
4308 | wpa_driver_nl80211_mlme(drv, addr, |
4309 | NL80211_CMD_DEAUTHENTICATE, | |
77339912 | 4310 | WLAN_REASON_PREV_AUTH_NOT_VALID, 1); |
d72aad94 JM |
4311 | } |
4312 | } | |
4313 | ||
4314 | ||
e6b8efeb JM |
4315 | static void wpa_driver_nl80211_check_bss_status( |
4316 | struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res) | |
4317 | { | |
4318 | size_t i; | |
4319 | ||
4320 | for (i = 0; i < res->num; i++) { | |
4321 | struct wpa_scan_res *r = res->res[i]; | |
4322 | if (r->flags & WPA_SCAN_AUTHENTICATED) { | |
4323 | wpa_printf(MSG_DEBUG, "nl80211: Scan results " | |
4324 | "indicates BSS status with " MACSTR | |
4325 | " as authenticated", | |
4326 | MAC2STR(r->bssid)); | |
b1f625e0 | 4327 | if (is_sta_interface(drv->nlmode) && |
e6b8efeb JM |
4328 | os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 && |
4329 | os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) != | |
4330 | 0) { | |
4331 | wpa_printf(MSG_DEBUG, "nl80211: Unknown BSSID" | |
4332 | " in local state (auth=" MACSTR | |
4333 | " assoc=" MACSTR ")", | |
4334 | MAC2STR(drv->auth_bssid), | |
4335 | MAC2STR(drv->bssid)); | |
582507be | 4336 | clear_state_mismatch(drv, r->bssid); |
e6b8efeb JM |
4337 | } |
4338 | } | |
4339 | ||
4340 | if (r->flags & WPA_SCAN_ASSOCIATED) { | |
4341 | wpa_printf(MSG_DEBUG, "nl80211: Scan results " | |
4342 | "indicate BSS status with " MACSTR | |
4343 | " as associated", | |
4344 | MAC2STR(r->bssid)); | |
b1f625e0 | 4345 | if (is_sta_interface(drv->nlmode) && |
e6b8efeb JM |
4346 | !drv->associated) { |
4347 | wpa_printf(MSG_DEBUG, "nl80211: Local state " | |
4348 | "(not associated) does not match " | |
4349 | "with BSS state"); | |
d72aad94 | 4350 | clear_state_mismatch(drv, r->bssid); |
b1f625e0 | 4351 | } else if (is_sta_interface(drv->nlmode) && |
e6b8efeb JM |
4352 | os_memcmp(drv->bssid, r->bssid, ETH_ALEN) != |
4353 | 0) { | |
4354 | wpa_printf(MSG_DEBUG, "nl80211: Local state " | |
4355 | "(associated with " MACSTR ") does " | |
4356 | "not match with BSS state", | |
d72aad94 JM |
4357 | MAC2STR(drv->bssid)); |
4358 | clear_state_mismatch(drv, r->bssid); | |
4359 | clear_state_mismatch(drv, drv->bssid); | |
e6b8efeb JM |
4360 | } |
4361 | } | |
4362 | } | |
4363 | } | |
4364 | ||
4365 | ||
7e5ba1b9 | 4366 | static struct wpa_scan_results * |
8856462d | 4367 | nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv) |
3f5285e8 | 4368 | { |
b3db1e1c | 4369 | struct nl_msg *msg; |
3f5285e8 | 4370 | struct wpa_scan_results *res; |
b3db1e1c | 4371 | int ret; |
3812464c | 4372 | struct nl80211_bss_info_arg arg; |
3f5285e8 JM |
4373 | |
4374 | res = os_zalloc(sizeof(*res)); | |
b3db1e1c | 4375 | if (res == NULL) |
8e2c104f | 4376 | return NULL; |
b3db1e1c JM |
4377 | msg = nlmsg_alloc(); |
4378 | if (!msg) | |
4379 | goto nla_put_failure; | |
3f5285e8 | 4380 | |
9fb04070 | 4381 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN); |
b3db1e1c | 4382 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
3f5285e8 | 4383 | |
3812464c JM |
4384 | arg.drv = drv; |
4385 | arg.res = res; | |
4386 | ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg); | |
b3db1e1c JM |
4387 | msg = NULL; |
4388 | if (ret == 0) { | |
577db0ae GM |
4389 | wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu " |
4390 | "BSSes)", (unsigned long) res->num); | |
4391 | nl80211_get_noise_for_scan_results(drv, res); | |
b3db1e1c | 4392 | return res; |
3f5285e8 | 4393 | } |
b3db1e1c JM |
4394 | wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " |
4395 | "(%s)", ret, strerror(-ret)); | |
4396 | nla_put_failure: | |
4397 | nlmsg_free(msg); | |
4398 | wpa_scan_results_free(res); | |
4399 | return NULL; | |
3f5285e8 JM |
4400 | } |
4401 | ||
4402 | ||
8856462d JM |
4403 | /** |
4404 | * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results | |
4405 | * @priv: Pointer to private wext data from wpa_driver_nl80211_init() | |
4406 | * Returns: Scan results on success, -1 on failure | |
4407 | */ | |
4408 | static struct wpa_scan_results * | |
4409 | wpa_driver_nl80211_get_scan_results(void *priv) | |
4410 | { | |
a2e40bb6 FF |
4411 | struct i802_bss *bss = priv; |
4412 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8856462d JM |
4413 | struct wpa_scan_results *res; |
4414 | ||
4415 | res = nl80211_get_scan_results(drv); | |
4416 | if (res) | |
4417 | wpa_driver_nl80211_check_bss_status(drv, res); | |
4418 | return res; | |
4419 | } | |
4420 | ||
4421 | ||
4422 | static void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv) | |
4423 | { | |
4424 | struct wpa_scan_results *res; | |
4425 | size_t i; | |
4426 | ||
4427 | res = nl80211_get_scan_results(drv); | |
4428 | if (res == NULL) { | |
4429 | wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results"); | |
4430 | return; | |
4431 | } | |
4432 | ||
4433 | wpa_printf(MSG_DEBUG, "nl80211: Scan result dump"); | |
4434 | for (i = 0; i < res->num; i++) { | |
4435 | struct wpa_scan_res *r = res->res[i]; | |
4436 | wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s%s", | |
4437 | (int) i, (int) res->num, MAC2STR(r->bssid), | |
4438 | r->flags & WPA_SCAN_AUTHENTICATED ? " [auth]" : "", | |
4439 | r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : ""); | |
4440 | } | |
4441 | ||
4442 | wpa_scan_results_free(res); | |
4443 | } | |
4444 | ||
4445 | ||
9ebce9c5 | 4446 | static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss, |
71934751 JM |
4447 | enum wpa_alg alg, const u8 *addr, |
4448 | int key_idx, int set_tx, | |
642187d6 JM |
4449 | const u8 *seq, size_t seq_len, |
4450 | const u8 *key, size_t key_len) | |
3f5285e8 | 4451 | { |
a2e40bb6 | 4452 | struct wpa_driver_nl80211_data *drv = bss->drv; |
642187d6 | 4453 | int ifindex = if_nametoindex(ifname); |
3f5285e8 | 4454 | struct nl_msg *msg; |
1ad1cdc2 | 4455 | int ret; |
3f5285e8 | 4456 | |
1ad1cdc2 JM |
4457 | wpa_printf(MSG_DEBUG, "%s: ifindex=%d alg=%d addr=%p key_idx=%d " |
4458 | "set_tx=%d seq_len=%lu key_len=%lu", | |
4459 | __func__, ifindex, alg, addr, key_idx, set_tx, | |
3f5285e8 | 4460 | (unsigned long) seq_len, (unsigned long) key_len); |
8c66e185 JM |
4461 | #ifdef CONFIG_TDLS |
4462 | if (key_idx == -1) | |
4463 | key_idx = 0; | |
4464 | #endif /* CONFIG_TDLS */ | |
3f5285e8 JM |
4465 | |
4466 | msg = nlmsg_alloc(); | |
1ad1cdc2 JM |
4467 | if (!msg) |
4468 | return -ENOMEM; | |
3f5285e8 JM |
4469 | |
4470 | if (alg == WPA_ALG_NONE) { | |
9fb04070 | 4471 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_KEY); |
3f5285e8 | 4472 | } else { |
9fb04070 | 4473 | nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_KEY); |
3f5285e8 | 4474 | NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key); |
d723bab4 JM |
4475 | switch (alg) { |
4476 | case WPA_ALG_WEP: | |
4477 | if (key_len == 5) | |
4478 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, | |
4479 | WLAN_CIPHER_SUITE_WEP40); | |
4480 | else | |
4481 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, | |
4482 | WLAN_CIPHER_SUITE_WEP104); | |
4483 | break; | |
4484 | case WPA_ALG_TKIP: | |
4485 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, | |
4486 | WLAN_CIPHER_SUITE_TKIP); | |
4487 | break; | |
4488 | case WPA_ALG_CCMP: | |
4489 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, | |
4490 | WLAN_CIPHER_SUITE_CCMP); | |
4491 | break; | |
eb7719ff JM |
4492 | case WPA_ALG_GCMP: |
4493 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, | |
4494 | WLAN_CIPHER_SUITE_GCMP); | |
4495 | break; | |
d723bab4 JM |
4496 | case WPA_ALG_IGTK: |
4497 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, | |
4498 | WLAN_CIPHER_SUITE_AES_CMAC); | |
4499 | break; | |
369c8d7b JM |
4500 | case WPA_ALG_SMS4: |
4501 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, | |
4502 | WLAN_CIPHER_SUITE_SMS4); | |
4503 | break; | |
4504 | case WPA_ALG_KRK: | |
4505 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, | |
4506 | WLAN_CIPHER_SUITE_KRK); | |
4507 | break; | |
d723bab4 JM |
4508 | default: |
4509 | wpa_printf(MSG_ERROR, "%s: Unsupported encryption " | |
4510 | "algorithm %d", __func__, alg); | |
3f5285e8 JM |
4511 | nlmsg_free(msg); |
4512 | return -1; | |
4513 | } | |
4514 | } | |
4515 | ||
849ef835 | 4516 | if (seq && seq_len) |
1ad1cdc2 JM |
4517 | NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq); |
4518 | ||
0382097e | 4519 | if (addr && !is_broadcast_ether_addr(addr)) { |
3f5285e8 JM |
4520 | wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr)); |
4521 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
89c38e32 JM |
4522 | |
4523 | if (alg != WPA_ALG_WEP && key_idx && !set_tx) { | |
4524 | wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK"); | |
4525 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, | |
4526 | NL80211_KEYTYPE_GROUP); | |
4527 | } | |
60ea8187 | 4528 | } else if (addr && is_broadcast_ether_addr(addr)) { |
8970bae8 JB |
4529 | struct nlattr *types; |
4530 | ||
60ea8187 | 4531 | wpa_printf(MSG_DEBUG, " broadcast key"); |
8970bae8 JB |
4532 | |
4533 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
60ea8187 JM |
4534 | if (!types) |
4535 | goto nla_put_failure; | |
8970bae8 JB |
4536 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST); |
4537 | nla_nest_end(msg, types); | |
3f5285e8 JM |
4538 | } |
4539 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); | |
1ad1cdc2 | 4540 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); |
3f5285e8 | 4541 | |
1ad1cdc2 | 4542 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
15664ad0 | 4543 | if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE) |
1ad1cdc2 JM |
4544 | ret = 0; |
4545 | if (ret) | |
4546 | wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)", | |
4547 | ret, strerror(-ret)); | |
3f5285e8 | 4548 | |
1ad1cdc2 JM |
4549 | /* |
4550 | * If we failed or don't need to set the default TX key (below), | |
4551 | * we're done here. | |
4552 | */ | |
4553 | if (ret || !set_tx || alg == WPA_ALG_NONE) | |
4554 | return ret; | |
b1f625e0 | 4555 | if (is_ap_interface(drv->nlmode) && addr && |
0382097e | 4556 | !is_broadcast_ether_addr(addr)) |
de12717a | 4557 | return ret; |
3f5285e8 | 4558 | |
1ad1cdc2 JM |
4559 | msg = nlmsg_alloc(); |
4560 | if (!msg) | |
4561 | return -ENOMEM; | |
3f5285e8 | 4562 | |
9fb04070 | 4563 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_KEY); |
1ad1cdc2 JM |
4564 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); |
4565 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); | |
4566 | if (alg == WPA_ALG_IGTK) | |
4567 | NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT); | |
4568 | else | |
4569 | NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT); | |
60ea8187 | 4570 | if (addr && is_broadcast_ether_addr(addr)) { |
8970bae8 JB |
4571 | struct nlattr *types; |
4572 | ||
4573 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
60ea8187 JM |
4574 | if (!types) |
4575 | goto nla_put_failure; | |
8970bae8 JB |
4576 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST); |
4577 | nla_nest_end(msg, types); | |
60ea8187 | 4578 | } else if (addr) { |
8970bae8 JB |
4579 | struct nlattr *types; |
4580 | ||
4581 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
60ea8187 JM |
4582 | if (!types) |
4583 | goto nla_put_failure; | |
8970bae8 JB |
4584 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST); |
4585 | nla_nest_end(msg, types); | |
60ea8187 | 4586 | } |
3f5285e8 | 4587 | |
1ad1cdc2 JM |
4588 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
4589 | if (ret == -ENOENT) | |
4590 | ret = 0; | |
4591 | if (ret) | |
4592 | wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; " | |
4593 | "err=%d %s)", ret, strerror(-ret)); | |
4594 | return ret; | |
3f5285e8 JM |
4595 | |
4596 | nla_put_failure: | |
5883168a | 4597 | nlmsg_free(msg); |
6241fcb1 | 4598 | return -ENOBUFS; |
3f5285e8 JM |
4599 | } |
4600 | ||
4601 | ||
71934751 | 4602 | static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg, |
0194fedb JB |
4603 | int key_idx, int defkey, |
4604 | const u8 *seq, size_t seq_len, | |
4605 | const u8 *key, size_t key_len) | |
4606 | { | |
4607 | struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY); | |
4608 | if (!key_attr) | |
4609 | return -1; | |
4610 | ||
4611 | if (defkey && alg == WPA_ALG_IGTK) | |
4612 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_MGMT); | |
4613 | else if (defkey) | |
4614 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
4615 | ||
4616 | NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx); | |
4617 | ||
d723bab4 JM |
4618 | switch (alg) { |
4619 | case WPA_ALG_WEP: | |
4620 | if (key_len == 5) | |
2aa5f847 JM |
4621 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, |
4622 | WLAN_CIPHER_SUITE_WEP40); | |
d723bab4 | 4623 | else |
2aa5f847 JM |
4624 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, |
4625 | WLAN_CIPHER_SUITE_WEP104); | |
d723bab4 JM |
4626 | break; |
4627 | case WPA_ALG_TKIP: | |
2aa5f847 | 4628 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_TKIP); |
d723bab4 JM |
4629 | break; |
4630 | case WPA_ALG_CCMP: | |
2aa5f847 | 4631 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_CCMP); |
d723bab4 | 4632 | break; |
eb7719ff JM |
4633 | case WPA_ALG_GCMP: |
4634 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_GCMP); | |
4635 | break; | |
d723bab4 | 4636 | case WPA_ALG_IGTK: |
2aa5f847 JM |
4637 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, |
4638 | WLAN_CIPHER_SUITE_AES_CMAC); | |
d723bab4 JM |
4639 | break; |
4640 | default: | |
4641 | wpa_printf(MSG_ERROR, "%s: Unsupported encryption " | |
4642 | "algorithm %d", __func__, alg); | |
0194fedb | 4643 | return -1; |
d723bab4 | 4644 | } |
0194fedb JB |
4645 | |
4646 | if (seq && seq_len) | |
4647 | NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq); | |
4648 | ||
4649 | NLA_PUT(msg, NL80211_KEY_DATA, key_len, key); | |
4650 | ||
4651 | nla_nest_end(msg, key_attr); | |
4652 | ||
4653 | return 0; | |
4654 | nla_put_failure: | |
4655 | return -1; | |
4656 | } | |
4657 | ||
c811d5bc | 4658 | |
cfaab580 ZY |
4659 | static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params, |
4660 | struct nl_msg *msg) | |
4661 | { | |
4662 | int i, privacy = 0; | |
4663 | struct nlattr *nl_keys, *nl_key; | |
4664 | ||
4665 | for (i = 0; i < 4; i++) { | |
4666 | if (!params->wep_key[i]) | |
4667 | continue; | |
4668 | privacy = 1; | |
4669 | break; | |
4670 | } | |
ce04af5a JM |
4671 | if (params->wps == WPS_MODE_PRIVACY) |
4672 | privacy = 1; | |
4673 | if (params->pairwise_suite && | |
4674 | params->pairwise_suite != WPA_CIPHER_NONE) | |
4675 | privacy = 1; | |
4676 | ||
cfaab580 ZY |
4677 | if (!privacy) |
4678 | return 0; | |
4679 | ||
4680 | NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY); | |
4681 | ||
4682 | nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS); | |
4683 | if (!nl_keys) | |
4684 | goto nla_put_failure; | |
4685 | ||
4686 | for (i = 0; i < 4; i++) { | |
4687 | if (!params->wep_key[i]) | |
4688 | continue; | |
4689 | ||
4690 | nl_key = nla_nest_start(msg, i); | |
4691 | if (!nl_key) | |
4692 | goto nla_put_failure; | |
4693 | ||
4694 | NLA_PUT(msg, NL80211_KEY_DATA, params->wep_key_len[i], | |
4695 | params->wep_key[i]); | |
4696 | if (params->wep_key_len[i] == 5) | |
4697 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, | |
4698 | WLAN_CIPHER_SUITE_WEP40); | |
4699 | else | |
4700 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, | |
4701 | WLAN_CIPHER_SUITE_WEP104); | |
4702 | ||
4703 | NLA_PUT_U8(msg, NL80211_KEY_IDX, i); | |
4704 | ||
4705 | if (i == params->wep_tx_keyidx) | |
4706 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
4707 | ||
4708 | nla_nest_end(msg, nl_key); | |
4709 | } | |
4710 | nla_nest_end(msg, nl_keys); | |
4711 | ||
4712 | return 0; | |
4713 | ||
4714 | nla_put_failure: | |
4715 | return -ENOBUFS; | |
4716 | } | |
4717 | ||
4718 | ||
c2a04078 | 4719 | static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, |
77339912 JM |
4720 | const u8 *addr, int cmd, u16 reason_code, |
4721 | int local_state_change) | |
c2a04078 JM |
4722 | { |
4723 | int ret = -1; | |
4724 | struct nl_msg *msg; | |
4725 | ||
4726 | msg = nlmsg_alloc(); | |
4727 | if (!msg) | |
4728 | return -1; | |
4729 | ||
9fb04070 | 4730 | nl80211_cmd(drv, msg, 0, cmd); |
c2a04078 JM |
4731 | |
4732 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
4733 | NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code); | |
817762d9 MI |
4734 | if (addr) |
4735 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
77339912 JM |
4736 | if (local_state_change) |
4737 | NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE); | |
c2a04078 JM |
4738 | |
4739 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4740 | msg = NULL; | |
4741 | if (ret) { | |
3b7ea880 BG |
4742 | wpa_dbg(drv->ctx, MSG_DEBUG, |
4743 | "nl80211: MLME command failed: reason=%u ret=%d (%s)", | |
4744 | reason_code, ret, strerror(-ret)); | |
c2a04078 JM |
4745 | goto nla_put_failure; |
4746 | } | |
4747 | ret = 0; | |
4748 | ||
4749 | nla_put_failure: | |
4750 | nlmsg_free(msg); | |
4751 | return ret; | |
4752 | } | |
3f5285e8 JM |
4753 | |
4754 | ||
cfaab580 | 4755 | static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv, |
817762d9 | 4756 | int reason_code) |
cfaab580 | 4757 | { |
817762d9 | 4758 | wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code); |
cfaab580 | 4759 | drv->associated = 0; |
a8c5b43a | 4760 | drv->ignore_next_local_disconnect = 0; |
817762d9 MI |
4761 | /* Disconnect command doesn't need BSSID - it uses cached value */ |
4762 | return wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT, | |
77339912 | 4763 | reason_code, 0); |
cfaab580 ZY |
4764 | } |
4765 | ||
4766 | ||
9ebce9c5 JM |
4767 | static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss, |
4768 | const u8 *addr, int reason_code) | |
3f5285e8 | 4769 | { |
a2e40bb6 | 4770 | struct wpa_driver_nl80211_data *drv = bss->drv; |
cfaab580 | 4771 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) |
817762d9 | 4772 | return wpa_driver_nl80211_disconnect(drv, reason_code); |
2e75a2b3 JM |
4773 | wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)", |
4774 | __func__, MAC2STR(addr), reason_code); | |
13405f35 | 4775 | drv->associated = 0; |
21bdbe38 JM |
4776 | if (drv->nlmode == NL80211_IFTYPE_ADHOC) |
4777 | return nl80211_leave_ibss(drv); | |
c2a04078 | 4778 | return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE, |
77339912 | 4779 | reason_code, 0); |
3f5285e8 JM |
4780 | } |
4781 | ||
4782 | ||
536fd62d JM |
4783 | static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv, |
4784 | struct wpa_driver_auth_params *params) | |
4785 | { | |
4786 | int i; | |
4787 | ||
4788 | drv->auth_freq = params->freq; | |
4789 | drv->auth_alg = params->auth_alg; | |
4790 | drv->auth_wep_tx_keyidx = params->wep_tx_keyidx; | |
4791 | drv->auth_local_state_change = params->local_state_change; | |
4792 | drv->auth_p2p = params->p2p; | |
4793 | ||
4794 | if (params->bssid) | |
4795 | os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN); | |
4796 | else | |
4797 | os_memset(drv->auth_bssid_, 0, ETH_ALEN); | |
4798 | ||
4799 | if (params->ssid) { | |
4800 | os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len); | |
4801 | drv->auth_ssid_len = params->ssid_len; | |
4802 | } else | |
4803 | drv->auth_ssid_len = 0; | |
4804 | ||
4805 | ||
4806 | os_free(drv->auth_ie); | |
4807 | drv->auth_ie = NULL; | |
4808 | drv->auth_ie_len = 0; | |
4809 | if (params->ie) { | |
4810 | drv->auth_ie = os_malloc(params->ie_len); | |
4811 | if (drv->auth_ie) { | |
4812 | os_memcpy(drv->auth_ie, params->ie, params->ie_len); | |
4813 | drv->auth_ie_len = params->ie_len; | |
4814 | } | |
4815 | } | |
4816 | ||
4817 | for (i = 0; i < 4; i++) { | |
4818 | if (params->wep_key[i] && params->wep_key_len[i] && | |
4819 | params->wep_key_len[i] <= 16) { | |
4820 | os_memcpy(drv->auth_wep_key[i], params->wep_key[i], | |
4821 | params->wep_key_len[i]); | |
4822 | drv->auth_wep_key_len[i] = params->wep_key_len[i]; | |
4823 | } else | |
4824 | drv->auth_wep_key_len[i] = 0; | |
4825 | } | |
4826 | } | |
4827 | ||
4828 | ||
c2a04078 | 4829 | static int wpa_driver_nl80211_authenticate( |
9ebce9c5 | 4830 | struct i802_bss *bss, struct wpa_driver_auth_params *params) |
c2a04078 | 4831 | { |
a2e40bb6 | 4832 | struct wpa_driver_nl80211_data *drv = bss->drv; |
a0b2f99b | 4833 | int ret = -1, i; |
c2a04078 JM |
4834 | struct nl_msg *msg; |
4835 | enum nl80211_auth_type type; | |
2f4f73b1 | 4836 | enum nl80211_iftype nlmode; |
6d6f4bb8 | 4837 | int count = 0; |
536fd62d JM |
4838 | int is_retry; |
4839 | ||
4840 | is_retry = drv->retry_auth; | |
4841 | drv->retry_auth = 0; | |
c2a04078 JM |
4842 | |
4843 | drv->associated = 0; | |
e6b8efeb | 4844 | os_memset(drv->auth_bssid, 0, ETH_ALEN); |
af473088 | 4845 | /* FIX: IBSS mode */ |
2f4f73b1 EP |
4846 | nlmode = params->p2p ? |
4847 | NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; | |
4848 | if (drv->nlmode != nlmode && | |
9ebce9c5 | 4849 | wpa_driver_nl80211_set_mode(bss, nlmode) < 0) |
4a867032 JM |
4850 | return -1; |
4851 | ||
6d6f4bb8 | 4852 | retry: |
c2a04078 JM |
4853 | msg = nlmsg_alloc(); |
4854 | if (!msg) | |
4855 | return -1; | |
4856 | ||
4857 | wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)", | |
4858 | drv->ifindex); | |
a0b2f99b | 4859 | |
9fb04070 | 4860 | nl80211_cmd(drv, msg, 0, NL80211_CMD_AUTHENTICATE); |
0194fedb | 4861 | |
a0b2f99b JM |
4862 | for (i = 0; i < 4; i++) { |
4863 | if (!params->wep_key[i]) | |
4864 | continue; | |
9ebce9c5 | 4865 | wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP, |
2ea2fcc7 | 4866 | NULL, i, |
a0b2f99b JM |
4867 | i == params->wep_tx_keyidx, NULL, 0, |
4868 | params->wep_key[i], | |
4869 | params->wep_key_len[i]); | |
0194fedb JB |
4870 | if (params->wep_tx_keyidx != i) |
4871 | continue; | |
4872 | if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0, | |
4873 | params->wep_key[i], params->wep_key_len[i])) { | |
4874 | nlmsg_free(msg); | |
4875 | return -1; | |
4876 | } | |
a0b2f99b JM |
4877 | } |
4878 | ||
c2a04078 JM |
4879 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
4880 | if (params->bssid) { | |
4881 | wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, | |
4882 | MAC2STR(params->bssid)); | |
4883 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid); | |
4884 | } | |
4885 | if (params->freq) { | |
4886 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); | |
4887 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq); | |
4888 | } | |
4889 | if (params->ssid) { | |
4890 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
4891 | params->ssid, params->ssid_len); | |
4892 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, | |
4893 | params->ssid); | |
4894 | } | |
4895 | wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len); | |
4896 | if (params->ie) | |
4897 | NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie); | |
569fed90 JM |
4898 | if (params->sae_data) { |
4899 | wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data, | |
4900 | params->sae_data_len); | |
4901 | NLA_PUT(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len, | |
4902 | params->sae_data); | |
4903 | } | |
abd9fafa | 4904 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) |
c2a04078 | 4905 | type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
abd9fafa | 4906 | else if (params->auth_alg & WPA_AUTH_ALG_SHARED) |
c2a04078 | 4907 | type = NL80211_AUTHTYPE_SHARED_KEY; |
abd9fafa | 4908 | else if (params->auth_alg & WPA_AUTH_ALG_LEAP) |
c2a04078 | 4909 | type = NL80211_AUTHTYPE_NETWORK_EAP; |
abd9fafa | 4910 | else if (params->auth_alg & WPA_AUTH_ALG_FT) |
c2a04078 | 4911 | type = NL80211_AUTHTYPE_FT; |
569fed90 JM |
4912 | else if (params->auth_alg & WPA_AUTH_ALG_SAE) |
4913 | type = NL80211_AUTHTYPE_SAE; | |
c2a04078 JM |
4914 | else |
4915 | goto nla_put_failure; | |
4916 | wpa_printf(MSG_DEBUG, " * Auth Type %d", type); | |
4917 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type); | |
77339912 JM |
4918 | if (params->local_state_change) { |
4919 | wpa_printf(MSG_DEBUG, " * Local state change only"); | |
4920 | NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE); | |
4921 | } | |
c2a04078 JM |
4922 | |
4923 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4924 | msg = NULL; | |
4925 | if (ret) { | |
3b7ea880 BG |
4926 | wpa_dbg(drv->ctx, MSG_DEBUG, |
4927 | "nl80211: MLME command failed (auth): ret=%d (%s)", | |
4928 | ret, strerror(-ret)); | |
6d6f4bb8 | 4929 | count++; |
77339912 JM |
4930 | if (ret == -EALREADY && count == 1 && params->bssid && |
4931 | !params->local_state_change) { | |
6d6f4bb8 JM |
4932 | /* |
4933 | * mac80211 does not currently accept new | |
4934 | * authentication if we are already authenticated. As a | |
4935 | * workaround, force deauthentication and try again. | |
4936 | */ | |
4937 | wpa_printf(MSG_DEBUG, "nl80211: Retry authentication " | |
4938 | "after forced deauthentication"); | |
4939 | wpa_driver_nl80211_deauthenticate( | |
5205c4f9 | 4940 | bss, params->bssid, |
6d6f4bb8 JM |
4941 | WLAN_REASON_PREV_AUTH_NOT_VALID); |
4942 | nlmsg_free(msg); | |
4943 | goto retry; | |
4944 | } | |
536fd62d JM |
4945 | |
4946 | if (ret == -ENOENT && params->freq && !is_retry) { | |
4947 | /* | |
4948 | * cfg80211 has likely expired the BSS entry even | |
4949 | * though it was previously available in our internal | |
4950 | * BSS table. To recover quickly, start a single | |
4951 | * channel scan on the specified channel. | |
4952 | */ | |
4953 | struct wpa_driver_scan_params scan; | |
4954 | int freqs[2]; | |
4955 | ||
4956 | os_memset(&scan, 0, sizeof(scan)); | |
4957 | scan.num_ssids = 1; | |
4958 | if (params->ssid) { | |
4959 | scan.ssids[0].ssid = params->ssid; | |
4960 | scan.ssids[0].ssid_len = params->ssid_len; | |
4961 | } | |
4962 | freqs[0] = params->freq; | |
4963 | freqs[1] = 0; | |
4964 | scan.freqs = freqs; | |
4965 | wpa_printf(MSG_DEBUG, "nl80211: Trigger single " | |
4966 | "channel scan to refresh cfg80211 BSS " | |
4967 | "entry"); | |
4968 | ret = wpa_driver_nl80211_scan(bss, &scan); | |
4969 | if (ret == 0) { | |
4970 | nl80211_copy_auth_params(drv, params); | |
4971 | drv->scan_for_auth = 1; | |
4972 | } | |
8c3ba078 JM |
4973 | } else if (is_retry) { |
4974 | /* | |
4975 | * Need to indicate this with an event since the return | |
4976 | * value from the retry is not delivered to core code. | |
4977 | */ | |
4978 | union wpa_event_data event; | |
4979 | wpa_printf(MSG_DEBUG, "nl80211: Authentication retry " | |
4980 | "failed"); | |
4981 | os_memset(&event, 0, sizeof(event)); | |
4982 | os_memcpy(event.timeout_event.addr, drv->auth_bssid_, | |
4983 | ETH_ALEN); | |
4984 | wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT, | |
4985 | &event); | |
536fd62d JM |
4986 | } |
4987 | ||
c2a04078 JM |
4988 | goto nla_put_failure; |
4989 | } | |
4990 | ret = 0; | |
4991 | wpa_printf(MSG_DEBUG, "nl80211: Authentication request send " | |
4992 | "successfully"); | |
4993 | ||
4994 | nla_put_failure: | |
4995 | nlmsg_free(msg); | |
4996 | return ret; | |
4997 | } | |
4998 | ||
4999 | ||
536fd62d JM |
5000 | static int wpa_driver_nl80211_authenticate_retry( |
5001 | struct wpa_driver_nl80211_data *drv) | |
5002 | { | |
5003 | struct wpa_driver_auth_params params; | |
5004 | struct i802_bss *bss = &drv->first_bss; | |
5005 | int i; | |
5006 | ||
5007 | wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again"); | |
5008 | ||
5009 | os_memset(¶ms, 0, sizeof(params)); | |
5010 | params.freq = drv->auth_freq; | |
5011 | params.auth_alg = drv->auth_alg; | |
5012 | params.wep_tx_keyidx = drv->auth_wep_tx_keyidx; | |
5013 | params.local_state_change = drv->auth_local_state_change; | |
5014 | params.p2p = drv->auth_p2p; | |
5015 | ||
5016 | if (!is_zero_ether_addr(drv->auth_bssid_)) | |
5017 | params.bssid = drv->auth_bssid_; | |
5018 | ||
5019 | if (drv->auth_ssid_len) { | |
5020 | params.ssid = drv->auth_ssid; | |
5021 | params.ssid_len = drv->auth_ssid_len; | |
5022 | } | |
5023 | ||
5024 | params.ie = drv->auth_ie; | |
5025 | params.ie_len = drv->auth_ie_len; | |
5026 | ||
5027 | for (i = 0; i < 4; i++) { | |
5028 | if (drv->auth_wep_key_len[i]) { | |
5029 | params.wep_key[i] = drv->auth_wep_key[i]; | |
5030 | params.wep_key_len[i] = drv->auth_wep_key_len[i]; | |
5031 | } | |
5032 | } | |
5033 | ||
5034 | drv->retry_auth = 1; | |
5035 | return wpa_driver_nl80211_authenticate(bss, ¶ms); | |
5036 | } | |
5037 | ||
5038 | ||
282d5590 JM |
5039 | struct phy_info_arg { |
5040 | u16 *num_modes; | |
5041 | struct hostapd_hw_modes *modes; | |
43245552 | 5042 | int last_mode, last_chan_idx; |
282d5590 JM |
5043 | }; |
5044 | ||
e62a1d43 JM |
5045 | static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa, |
5046 | struct nlattr *ampdu_factor, | |
5047 | struct nlattr *ampdu_density, | |
5048 | struct nlattr *mcs_set) | |
5049 | { | |
5050 | if (capa) | |
5051 | mode->ht_capab = nla_get_u16(capa); | |
5052 | ||
5053 | if (ampdu_factor) | |
5054 | mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03; | |
5055 | ||
5056 | if (ampdu_density) | |
5057 | mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2; | |
5058 | ||
5059 | if (mcs_set && nla_len(mcs_set) >= 16) { | |
5060 | u8 *mcs; | |
5061 | mcs = nla_data(mcs_set); | |
5062 | os_memcpy(mode->mcs_set, mcs, 16); | |
5063 | } | |
5064 | } | |
5065 | ||
5066 | ||
5067 | static void phy_info_vht_capa(struct hostapd_hw_modes *mode, | |
5068 | struct nlattr *capa, | |
5069 | struct nlattr *mcs_set) | |
5070 | { | |
5071 | if (capa) | |
5072 | mode->vht_capab = nla_get_u32(capa); | |
5073 | ||
5074 | if (mcs_set && nla_len(mcs_set) >= 8) { | |
5075 | u8 *mcs; | |
5076 | mcs = nla_data(mcs_set); | |
5077 | os_memcpy(mode->vht_mcs_set, mcs, 8); | |
5078 | } | |
5079 | } | |
5080 | ||
5081 | ||
214a77b0 JM |
5082 | static void phy_info_freq(struct hostapd_hw_modes *mode, |
5083 | struct hostapd_channel_data *chan, | |
5084 | struct nlattr *tb_freq[]) | |
5085 | { | |
c30a4ab0 JB |
5086 | enum hostapd_hw_mode m; |
5087 | ||
214a77b0 JM |
5088 | chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); |
5089 | chan->flag = 0; | |
5090 | ||
c30a4ab0 JB |
5091 | if (chan->freq < 4000) |
5092 | m = HOSTAPD_MODE_IEEE80211B; | |
5093 | else if (chan->freq > 50000) | |
5094 | m = HOSTAPD_MODE_IEEE80211AD; | |
5095 | else | |
5096 | m = HOSTAPD_MODE_IEEE80211A; | |
214a77b0 | 5097 | |
c30a4ab0 | 5098 | switch (m) { |
214a77b0 JM |
5099 | case HOSTAPD_MODE_IEEE80211AD: |
5100 | chan->chan = (chan->freq - 56160) / 2160; | |
5101 | break; | |
5102 | case HOSTAPD_MODE_IEEE80211A: | |
5103 | chan->chan = chan->freq / 5 - 1000; | |
5104 | break; | |
5105 | case HOSTAPD_MODE_IEEE80211B: | |
5106 | case HOSTAPD_MODE_IEEE80211G: | |
5107 | if (chan->freq == 2484) | |
5108 | chan->chan = 14; | |
5109 | else | |
5110 | chan->chan = (chan->freq - 2407) / 5; | |
5111 | break; | |
5112 | default: | |
5113 | break; | |
5114 | } | |
5115 | ||
5116 | if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) | |
5117 | chan->flag |= HOSTAPD_CHAN_DISABLED; | |
5118 | if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN]) | |
5119 | chan->flag |= HOSTAPD_CHAN_PASSIVE_SCAN; | |
5120 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS]) | |
5121 | chan->flag |= HOSTAPD_CHAN_NO_IBSS; | |
5122 | if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) | |
5123 | chan->flag |= HOSTAPD_CHAN_RADAR; | |
5124 | ||
5125 | if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] && | |
5126 | !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) | |
5127 | chan->max_tx_power = nla_get_u32( | |
5128 | tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) / 100; | |
5129 | } | |
5130 | ||
5131 | ||
e62a1d43 JM |
5132 | static int phy_info_freqs(struct phy_info_arg *phy_info, |
5133 | struct hostapd_hw_modes *mode, struct nlattr *tb) | |
282d5590 | 5134 | { |
282d5590 JM |
5135 | static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { |
5136 | [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, | |
5137 | [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, | |
5138 | [NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG }, | |
5139 | [NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG }, | |
5140 | [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, | |
5141 | [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, | |
5142 | }; | |
e62a1d43 JM |
5143 | int new_channels = 0; |
5144 | struct hostapd_channel_data *channel; | |
5145 | struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
5146 | struct nlattr *nl_freq; | |
5147 | int rem_freq, idx; | |
5148 | ||
5149 | if (tb == NULL) | |
5150 | return NL_OK; | |
5151 | ||
5152 | nla_for_each_nested(nl_freq, tb, rem_freq) { | |
5153 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, | |
5154 | nla_data(nl_freq), nla_len(nl_freq), freq_policy); | |
5155 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
5156 | continue; | |
5157 | new_channels++; | |
5158 | } | |
5159 | ||
5160 | channel = os_realloc_array(mode->channels, | |
5161 | mode->num_channels + new_channels, | |
5162 | sizeof(struct hostapd_channel_data)); | |
5163 | if (!channel) | |
5164 | return NL_SKIP; | |
5165 | ||
5166 | mode->channels = channel; | |
5167 | mode->num_channels += new_channels; | |
5168 | ||
5169 | idx = phy_info->last_chan_idx; | |
5170 | ||
5171 | nla_for_each_nested(nl_freq, tb, rem_freq) { | |
5172 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, | |
5173 | nla_data(nl_freq), nla_len(nl_freq), freq_policy); | |
5174 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
5175 | continue; | |
214a77b0 | 5176 | phy_info_freq(mode, &mode->channels[idx], tb_freq); |
e62a1d43 JM |
5177 | idx++; |
5178 | } | |
5179 | phy_info->last_chan_idx = idx; | |
5180 | ||
5181 | return NL_OK; | |
5182 | } | |
5183 | ||
5184 | ||
5185 | static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb) | |
5186 | { | |
282d5590 JM |
5187 | static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = { |
5188 | [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 }, | |
3cfcad1b JM |
5189 | [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = |
5190 | { .type = NLA_FLAG }, | |
282d5590 | 5191 | }; |
e62a1d43 | 5192 | struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1]; |
282d5590 | 5193 | struct nlattr *nl_rate; |
e62a1d43 JM |
5194 | int rem_rate, idx; |
5195 | ||
5196 | if (tb == NULL) | |
5197 | return NL_OK; | |
5198 | ||
5199 | nla_for_each_nested(nl_rate, tb, rem_rate) { | |
5200 | nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, | |
5201 | nla_data(nl_rate), nla_len(nl_rate), | |
5202 | rate_policy); | |
5203 | if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) | |
5204 | continue; | |
5205 | mode->num_rates++; | |
5206 | } | |
5207 | ||
5208 | mode->rates = os_calloc(mode->num_rates, sizeof(int)); | |
5209 | if (!mode->rates) | |
5210 | return NL_SKIP; | |
5211 | ||
5212 | idx = 0; | |
5213 | ||
5214 | nla_for_each_nested(nl_rate, tb, rem_rate) { | |
5215 | nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, | |
5216 | nla_data(nl_rate), nla_len(nl_rate), | |
5217 | rate_policy); | |
5218 | if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) | |
5219 | continue; | |
5220 | mode->rates[idx] = nla_get_u32( | |
5221 | tb_rate[NL80211_BITRATE_ATTR_RATE]); | |
e62a1d43 JM |
5222 | idx++; |
5223 | } | |
5224 | ||
5225 | return NL_OK; | |
5226 | } | |
5227 | ||
5228 | ||
5229 | static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band) | |
5230 | { | |
5231 | struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; | |
282d5590 | 5232 | struct hostapd_hw_modes *mode; |
e62a1d43 | 5233 | int ret; |
282d5590 | 5234 | |
3cfcad1b JM |
5235 | if (phy_info->last_mode != nl_band->nla_type) { |
5236 | mode = os_realloc_array(phy_info->modes, | |
5237 | *phy_info->num_modes + 1, | |
5238 | sizeof(*mode)); | |
5239 | if (!mode) | |
5240 | return NL_SKIP; | |
5241 | phy_info->modes = mode; | |
5242 | ||
5243 | mode = &phy_info->modes[*(phy_info->num_modes)]; | |
5244 | os_memset(mode, 0, sizeof(*mode)); | |
5245 | mode->mode = NUM_HOSTAPD_MODES; | |
5246 | mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN; | |
5247 | *(phy_info->num_modes) += 1; | |
5248 | phy_info->last_mode = nl_band->nla_type; | |
5249 | phy_info->last_chan_idx = 0; | |
5250 | } else | |
5251 | mode = &phy_info->modes[*(phy_info->num_modes) - 1]; | |
282d5590 | 5252 | |
3cfcad1b JM |
5253 | nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), |
5254 | nla_len(nl_band), NULL); | |
282d5590 | 5255 | |
e62a1d43 JM |
5256 | phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA], |
5257 | tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR], | |
5258 | tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY], | |
5259 | tb_band[NL80211_BAND_ATTR_HT_MCS_SET]); | |
5260 | phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA], | |
5261 | tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]); | |
5262 | ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]); | |
5263 | if (ret != NL_OK) | |
5264 | return ret; | |
5265 | ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]); | |
5266 | if (ret != NL_OK) | |
5267 | return ret; | |
282d5590 | 5268 | |
3cfcad1b JM |
5269 | return NL_OK; |
5270 | } | |
5271 | ||
5272 | ||
5273 | static int phy_info_handler(struct nl_msg *msg, void *arg) | |
5274 | { | |
5275 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
5276 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
5277 | struct phy_info_arg *phy_info = arg; | |
5278 | struct nlattr *nl_band; | |
5279 | int rem_band; | |
5280 | ||
5281 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
5282 | genlmsg_attrlen(gnlh, 0), NULL); | |
5283 | ||
5284 | if (!tb_msg[NL80211_ATTR_WIPHY_BANDS]) | |
5285 | return NL_SKIP; | |
5286 | ||
5287 | nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) | |
5288 | { | |
5289 | int res = phy_info_band(phy_info, nl_band); | |
5290 | if (res != NL_OK) | |
5291 | return res; | |
5292 | } | |
5293 | ||
282d5590 JM |
5294 | return NL_SKIP; |
5295 | } | |
5296 | ||
3cfcad1b | 5297 | |
282d5590 | 5298 | static struct hostapd_hw_modes * |
c30a4ab0 JB |
5299 | wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes, |
5300 | u16 *num_modes) | |
282d5590 JM |
5301 | { |
5302 | u16 m; | |
5303 | struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode; | |
5304 | int i, mode11g_idx = -1; | |
5305 | ||
c30a4ab0 JB |
5306 | /* heuristic to set up modes */ |
5307 | for (m = 0; m < *num_modes; m++) { | |
5308 | if (!modes[m].num_channels) | |
5309 | continue; | |
5310 | if (modes[m].channels[0].freq < 4000) { | |
5311 | modes[m].mode = HOSTAPD_MODE_IEEE80211B; | |
5312 | for (i = 0; i < modes[m].num_rates; i++) { | |
5313 | if (modes[m].rates[i] > 200) { | |
5314 | modes[m].mode = HOSTAPD_MODE_IEEE80211G; | |
5315 | break; | |
5316 | } | |
5317 | } | |
5318 | } else if (modes[m].channels[0].freq > 50000) | |
5319 | modes[m].mode = HOSTAPD_MODE_IEEE80211AD; | |
5320 | else | |
5321 | modes[m].mode = HOSTAPD_MODE_IEEE80211A; | |
5322 | } | |
5323 | ||
282d5590 JM |
5324 | /* If only 802.11g mode is included, use it to construct matching |
5325 | * 802.11b mode data. */ | |
5326 | ||
5327 | for (m = 0; m < *num_modes; m++) { | |
5328 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211B) | |
5329 | return modes; /* 802.11b already included */ | |
5330 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211G) | |
5331 | mode11g_idx = m; | |
5332 | } | |
5333 | ||
5334 | if (mode11g_idx < 0) | |
5335 | return modes; /* 2.4 GHz band not supported at all */ | |
5336 | ||
067ffa26 | 5337 | nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes)); |
282d5590 JM |
5338 | if (nmodes == NULL) |
5339 | return modes; /* Could not add 802.11b mode */ | |
5340 | ||
5341 | mode = &nmodes[*num_modes]; | |
5342 | os_memset(mode, 0, sizeof(*mode)); | |
5343 | (*num_modes)++; | |
5344 | modes = nmodes; | |
5345 | ||
5346 | mode->mode = HOSTAPD_MODE_IEEE80211B; | |
5347 | ||
5348 | mode11g = &modes[mode11g_idx]; | |
5349 | mode->num_channels = mode11g->num_channels; | |
5350 | mode->channels = os_malloc(mode11g->num_channels * | |
5351 | sizeof(struct hostapd_channel_data)); | |
5352 | if (mode->channels == NULL) { | |
5353 | (*num_modes)--; | |
5354 | return modes; /* Could not add 802.11b mode */ | |
5355 | } | |
5356 | os_memcpy(mode->channels, mode11g->channels, | |
5357 | mode11g->num_channels * sizeof(struct hostapd_channel_data)); | |
5358 | ||
5359 | mode->num_rates = 0; | |
fb7842aa | 5360 | mode->rates = os_malloc(4 * sizeof(int)); |
282d5590 JM |
5361 | if (mode->rates == NULL) { |
5362 | os_free(mode->channels); | |
5363 | (*num_modes)--; | |
5364 | return modes; /* Could not add 802.11b mode */ | |
5365 | } | |
5366 | ||
5367 | for (i = 0; i < mode11g->num_rates; i++) { | |
fb7842aa JM |
5368 | if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 && |
5369 | mode11g->rates[i] != 55 && mode11g->rates[i] != 110) | |
282d5590 JM |
5370 | continue; |
5371 | mode->rates[mode->num_rates] = mode11g->rates[i]; | |
5372 | mode->num_rates++; | |
5373 | if (mode->num_rates == 4) | |
5374 | break; | |
5375 | } | |
5376 | ||
5377 | if (mode->num_rates == 0) { | |
5378 | os_free(mode->channels); | |
5379 | os_free(mode->rates); | |
5380 | (*num_modes)--; | |
5381 | return modes; /* No 802.11b rates */ | |
5382 | } | |
5383 | ||
5384 | wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g " | |
5385 | "information"); | |
5386 | ||
5387 | return modes; | |
5388 | } | |
5389 | ||
5390 | ||
d8e66e80 JM |
5391 | static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start, |
5392 | int end) | |
5393 | { | |
5394 | int c; | |
5395 | ||
5396 | for (c = 0; c < mode->num_channels; c++) { | |
5397 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
5398 | if (chan->freq - 10 >= start && chan->freq + 10 <= end) | |
5399 | chan->flag |= HOSTAPD_CHAN_HT40; | |
5400 | } | |
5401 | } | |
5402 | ||
5403 | ||
5404 | static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start, | |
5405 | int end) | |
5406 | { | |
5407 | int c; | |
5408 | ||
5409 | for (c = 0; c < mode->num_channels; c++) { | |
5410 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
5411 | if (!(chan->flag & HOSTAPD_CHAN_HT40)) | |
5412 | continue; | |
5413 | if (chan->freq - 30 >= start && chan->freq - 10 <= end) | |
5414 | chan->flag |= HOSTAPD_CHAN_HT40MINUS; | |
5415 | if (chan->freq + 10 >= start && chan->freq + 30 <= end) | |
5416 | chan->flag |= HOSTAPD_CHAN_HT40PLUS; | |
5417 | } | |
5418 | } | |
5419 | ||
5420 | ||
5421 | static void nl80211_reg_rule_ht40(struct nlattr *tb[], | |
5422 | struct phy_info_arg *results) | |
5423 | { | |
5424 | u32 start, end, max_bw; | |
5425 | u16 m; | |
5426 | ||
5427 | if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || | |
5428 | tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || | |
5429 | tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) | |
5430 | return; | |
5431 | ||
5432 | start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; | |
5433 | end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; | |
5434 | max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; | |
5435 | ||
5436 | wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz", | |
5437 | start, end, max_bw); | |
5438 | if (max_bw < 40) | |
5439 | return; | |
5440 | ||
5441 | for (m = 0; m < *results->num_modes; m++) { | |
5442 | if (!(results->modes[m].ht_capab & | |
5443 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) | |
5444 | continue; | |
5445 | nl80211_set_ht40_mode(&results->modes[m], start, end); | |
5446 | } | |
5447 | } | |
5448 | ||
5449 | ||
5450 | static void nl80211_reg_rule_sec(struct nlattr *tb[], | |
5451 | struct phy_info_arg *results) | |
5452 | { | |
5453 | u32 start, end, max_bw; | |
5454 | u16 m; | |
5455 | ||
5456 | if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || | |
5457 | tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || | |
5458 | tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) | |
5459 | return; | |
5460 | ||
5461 | start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; | |
5462 | end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; | |
5463 | max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; | |
5464 | ||
5465 | if (max_bw < 20) | |
5466 | return; | |
5467 | ||
5468 | for (m = 0; m < *results->num_modes; m++) { | |
5469 | if (!(results->modes[m].ht_capab & | |
5470 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) | |
5471 | continue; | |
5472 | nl80211_set_ht40_mode_sec(&results->modes[m], start, end); | |
5473 | } | |
5474 | } | |
5475 | ||
5476 | ||
5477 | static int nl80211_get_reg(struct nl_msg *msg, void *arg) | |
5478 | { | |
5479 | struct phy_info_arg *results = arg; | |
5480 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
5481 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
5482 | struct nlattr *nl_rule; | |
5483 | struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
5484 | int rem_rule; | |
5485 | static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { | |
5486 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
5487 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
5488 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
5489 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
5490 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
5491 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
5492 | }; | |
5493 | ||
5494 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
5495 | genlmsg_attrlen(gnlh, 0), NULL); | |
5496 | if (!tb_msg[NL80211_ATTR_REG_ALPHA2] || | |
5497 | !tb_msg[NL80211_ATTR_REG_RULES]) { | |
5498 | wpa_printf(MSG_DEBUG, "nl80211: No regulatory information " | |
5499 | "available"); | |
5500 | return NL_SKIP; | |
5501 | } | |
5502 | ||
5503 | wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s", | |
5504 | (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2])); | |
5505 | ||
5506 | nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) | |
5507 | { | |
5508 | nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, | |
5509 | nla_data(nl_rule), nla_len(nl_rule), reg_policy); | |
5510 | nl80211_reg_rule_ht40(tb_rule, results); | |
5511 | } | |
5512 | ||
5513 | nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) | |
5514 | { | |
5515 | nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, | |
5516 | nla_data(nl_rule), nla_len(nl_rule), reg_policy); | |
5517 | nl80211_reg_rule_sec(tb_rule, results); | |
5518 | } | |
5519 | ||
5520 | return NL_SKIP; | |
5521 | } | |
5522 | ||
5523 | ||
5524 | static int nl80211_set_ht40_flags(struct wpa_driver_nl80211_data *drv, | |
5525 | struct phy_info_arg *results) | |
5526 | { | |
5527 | struct nl_msg *msg; | |
5528 | ||
5529 | msg = nlmsg_alloc(); | |
5530 | if (!msg) | |
5531 | return -ENOMEM; | |
5532 | ||
9fb04070 | 5533 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); |
d8e66e80 JM |
5534 | return send_and_recv_msgs(drv, msg, nl80211_get_reg, results); |
5535 | } | |
5536 | ||
5537 | ||
282d5590 JM |
5538 | static struct hostapd_hw_modes * |
5539 | wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags) | |
5540 | { | |
43245552 | 5541 | u32 feat; |
a2e40bb6 FF |
5542 | struct i802_bss *bss = priv; |
5543 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
282d5590 JM |
5544 | struct nl_msg *msg; |
5545 | struct phy_info_arg result = { | |
5546 | .num_modes = num_modes, | |
5547 | .modes = NULL, | |
43245552 | 5548 | .last_mode = -1, |
282d5590 JM |
5549 | }; |
5550 | ||
5551 | *num_modes = 0; | |
5552 | *flags = 0; | |
5553 | ||
5554 | msg = nlmsg_alloc(); | |
5555 | if (!msg) | |
5556 | return NULL; | |
5557 | ||
43245552 DJ |
5558 | feat = get_nl80211_protocol_features(drv); |
5559 | if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) | |
5560 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY); | |
5561 | else | |
5562 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY); | |
282d5590 | 5563 | |
43245552 | 5564 | NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP); |
282d5590 JM |
5565 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
5566 | ||
d8e66e80 JM |
5567 | if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) { |
5568 | nl80211_set_ht40_flags(drv, &result); | |
c30a4ab0 JB |
5569 | return wpa_driver_nl80211_postprocess_modes(result.modes, |
5570 | num_modes); | |
d8e66e80 | 5571 | } |
5883168a | 5572 | msg = NULL; |
282d5590 | 5573 | nla_put_failure: |
5883168a | 5574 | nlmsg_free(msg); |
282d5590 JM |
5575 | return NULL; |
5576 | } | |
5577 | ||
5578 | ||
a11241fa JB |
5579 | static int wpa_driver_nl80211_send_mntr(struct wpa_driver_nl80211_data *drv, |
5580 | const void *data, size_t len, | |
5581 | int encrypt, int noack) | |
2c2010ac JM |
5582 | { |
5583 | __u8 rtap_hdr[] = { | |
5584 | 0x00, 0x00, /* radiotap version */ | |
5585 | 0x0e, 0x00, /* radiotap length */ | |
5586 | 0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */ | |
5587 | IEEE80211_RADIOTAP_F_FRAG, /* F_FRAG (fragment if required) */ | |
5588 | 0x00, /* padding */ | |
5589 | 0x00, 0x00, /* RX and TX flags to indicate that */ | |
5590 | 0x00, 0x00, /* this is the injected frame directly */ | |
5591 | }; | |
5592 | struct iovec iov[2] = { | |
5593 | { | |
5594 | .iov_base = &rtap_hdr, | |
5595 | .iov_len = sizeof(rtap_hdr), | |
5596 | }, | |
5597 | { | |
5598 | .iov_base = (void *) data, | |
5599 | .iov_len = len, | |
5600 | } | |
5601 | }; | |
5602 | struct msghdr msg = { | |
5603 | .msg_name = NULL, | |
5604 | .msg_namelen = 0, | |
5605 | .msg_iov = iov, | |
5606 | .msg_iovlen = 2, | |
5607 | .msg_control = NULL, | |
5608 | .msg_controllen = 0, | |
5609 | .msg_flags = 0, | |
5610 | }; | |
ebbec8b2 | 5611 | int res; |
fab25336 | 5612 | u16 txflags = 0; |
2c2010ac JM |
5613 | |
5614 | if (encrypt) | |
5615 | rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP; | |
5616 | ||
866af8b6 JM |
5617 | if (drv->monitor_sock < 0) { |
5618 | wpa_printf(MSG_DEBUG, "nl80211: No monitor socket available " | |
5619 | "for %s", __func__); | |
5620 | return -1; | |
5621 | } | |
5622 | ||
fab25336 HS |
5623 | if (noack) |
5624 | txflags |= IEEE80211_RADIOTAP_F_TX_NOACK; | |
9d7a63dc | 5625 | WPA_PUT_LE16(&rtap_hdr[12], txflags); |
fab25336 | 5626 | |
ebbec8b2 JM |
5627 | res = sendmsg(drv->monitor_sock, &msg, 0); |
5628 | if (res < 0) { | |
5629 | wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno)); | |
5630 | return -1; | |
5631 | } | |
5632 | return 0; | |
2c2010ac JM |
5633 | } |
5634 | ||
5635 | ||
a11241fa JB |
5636 | static int wpa_driver_nl80211_send_frame(struct i802_bss *bss, |
5637 | const void *data, size_t len, | |
55231068 JM |
5638 | int encrypt, int noack, |
5639 | unsigned int freq, int no_cck, | |
5640 | int offchanok, unsigned int wait_time) | |
a11241fa JB |
5641 | { |
5642 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5643 | u64 cookie; | |
5644 | ||
55231068 JM |
5645 | if (freq == 0) |
5646 | freq = bss->freq; | |
5647 | ||
a11241fa JB |
5648 | if (drv->use_monitor) |
5649 | return wpa_driver_nl80211_send_mntr(drv, data, len, | |
5650 | encrypt, noack); | |
5651 | ||
55231068 JM |
5652 | return nl80211_send_frame_cmd(bss, freq, wait_time, data, len, |
5653 | &cookie, no_cck, noack, offchanok); | |
a11241fa JB |
5654 | } |
5655 | ||
5656 | ||
9ebce9c5 JM |
5657 | static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data, |
5658 | size_t data_len, int noack, | |
5659 | unsigned int freq, int no_cck, | |
5660 | int offchanok, | |
5661 | unsigned int wait_time) | |
2c2010ac | 5662 | { |
a2e40bb6 | 5663 | struct wpa_driver_nl80211_data *drv = bss->drv; |
2c2010ac | 5664 | struct ieee80211_mgmt *mgmt; |
7a47d567 | 5665 | int encrypt = 1; |
2c2010ac JM |
5666 | u16 fc; |
5667 | ||
5668 | mgmt = (struct ieee80211_mgmt *) data; | |
5669 | fc = le_to_host16(mgmt->frame_control); | |
5670 | ||
b1f625e0 | 5671 | if (is_sta_interface(drv->nlmode) && |
5582a5d1 JB |
5672 | WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && |
5673 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) { | |
5674 | /* | |
5675 | * The use of last_mgmt_freq is a bit of a hack, | |
5676 | * but it works due to the single-threaded nature | |
5677 | * of wpa_supplicant. | |
5678 | */ | |
55231068 JM |
5679 | if (freq == 0) |
5680 | freq = drv->last_mgmt_freq; | |
5681 | return nl80211_send_frame_cmd(bss, freq, 0, | |
88df0ef7 JB |
5682 | data, data_len, NULL, 1, noack, |
5683 | 1); | |
5582a5d1 JB |
5684 | } |
5685 | ||
61cbe2ff | 5686 | if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) { |
55231068 JM |
5687 | if (freq == 0) |
5688 | freq = bss->freq; | |
b5671498 JM |
5689 | return nl80211_send_frame_cmd(bss, freq, |
5690 | (int) freq == bss->freq ? 0 : | |
5691 | wait_time, | |
d8d6b32e DG |
5692 | data, data_len, |
5693 | &drv->send_action_cookie, | |
55231068 | 5694 | no_cck, noack, offchanok); |
86957e62 JM |
5695 | } |
5696 | ||
2c2010ac JM |
5697 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && |
5698 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) { | |
5699 | /* | |
5700 | * Only one of the authentication frame types is encrypted. | |
5701 | * In order for static WEP encryption to work properly (i.e., | |
5702 | * to not encrypt the frame), we need to tell mac80211 about | |
5703 | * the frames that must not be encrypted. | |
5704 | */ | |
5705 | u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg); | |
5706 | u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction); | |
7a47d567 JB |
5707 | if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3) |
5708 | encrypt = 0; | |
2c2010ac JM |
5709 | } |
5710 | ||
a11241fa | 5711 | return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, |
55231068 JM |
5712 | noack, freq, no_cck, offchanok, |
5713 | wait_time); | |
5714 | } | |
5715 | ||
5716 | ||
31357268 | 5717 | static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble, |
e5693c47 JM |
5718 | int slot, int ht_opmode, int ap_isolate, |
5719 | int *basic_rates) | |
31357268 JM |
5720 | { |
5721 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5722 | struct nl_msg *msg; | |
5723 | ||
5724 | msg = nlmsg_alloc(); | |
5725 | if (!msg) | |
5726 | return -ENOMEM; | |
5727 | ||
9fb04070 | 5728 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS); |
31357268 JM |
5729 | |
5730 | if (cts >= 0) | |
5731 | NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts); | |
5732 | if (preamble >= 0) | |
5733 | NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble); | |
5734 | if (slot >= 0) | |
5735 | NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot); | |
5736 | if (ht_opmode >= 0) | |
5737 | NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode); | |
d03e8d11 JM |
5738 | if (ap_isolate >= 0) |
5739 | NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate); | |
e5693c47 JM |
5740 | |
5741 | if (basic_rates) { | |
5742 | u8 rates[NL80211_MAX_SUPP_RATES]; | |
5743 | u8 rates_len = 0; | |
5744 | int i; | |
5745 | ||
5746 | for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; | |
5747 | i++) | |
5748 | rates[rates_len++] = basic_rates[i] / 5; | |
5749 | ||
5750 | NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates); | |
5751 | } | |
5752 | ||
31357268 JM |
5753 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); |
5754 | ||
5755 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
5756 | nla_put_failure: | |
5883168a | 5757 | nlmsg_free(msg); |
31357268 JM |
5758 | return -ENOBUFS; |
5759 | } | |
5760 | ||
5761 | ||
19c3b566 JM |
5762 | static int wpa_driver_nl80211_set_ap(void *priv, |
5763 | struct wpa_driver_ap_params *params) | |
d2440ba0 | 5764 | { |
a2e40bb6 FF |
5765 | struct i802_bss *bss = priv; |
5766 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
d2440ba0 JM |
5767 | struct nl_msg *msg; |
5768 | u8 cmd = NL80211_CMD_NEW_BEACON; | |
5769 | int ret; | |
b4fd6fab | 5770 | int beacon_set; |
8b897f5a | 5771 | int ifindex = if_nametoindex(bss->ifname); |
b11d1d64 JM |
5772 | int num_suites; |
5773 | u32 suites[10]; | |
5774 | u32 ver; | |
b4fd6fab | 5775 | |
b4fd6fab | 5776 | beacon_set = bss->beacon_set; |
d2440ba0 JM |
5777 | |
5778 | msg = nlmsg_alloc(); | |
5779 | if (!msg) | |
5780 | return -ENOMEM; | |
5781 | ||
5782 | wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)", | |
b4fd6fab JM |
5783 | beacon_set); |
5784 | if (beacon_set) | |
d2440ba0 JM |
5785 | cmd = NL80211_CMD_SET_BEACON; |
5786 | ||
9fb04070 | 5787 | nl80211_cmd(drv, msg, 0, cmd); |
b92e08fc JM |
5788 | wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head", |
5789 | params->head, params->head_len); | |
19c3b566 | 5790 | NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head); |
b92e08fc JM |
5791 | wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail", |
5792 | params->tail, params->tail_len); | |
19c3b566 | 5793 | NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail); |
b92e08fc | 5794 | wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", ifindex); |
b4fd6fab | 5795 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); |
b92e08fc | 5796 | wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int); |
19c3b566 | 5797 | NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int); |
b92e08fc | 5798 | wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period); |
19c3b566 | 5799 | NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period); |
b92e08fc JM |
5800 | wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid", |
5801 | params->ssid, params->ssid_len); | |
ccb941e6 JM |
5802 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, |
5803 | params->ssid); | |
b92e08fc JM |
5804 | if (params->proberesp && params->proberesp_len) { |
5805 | wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)", | |
5806 | params->proberesp, params->proberesp_len); | |
5ed33546 AN |
5807 | NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len, |
5808 | params->proberesp); | |
b92e08fc | 5809 | } |
97a7a0b5 JM |
5810 | switch (params->hide_ssid) { |
5811 | case NO_SSID_HIDING: | |
b92e08fc | 5812 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use"); |
97a7a0b5 JM |
5813 | NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, |
5814 | NL80211_HIDDEN_SSID_NOT_IN_USE); | |
5815 | break; | |
5816 | case HIDDEN_SSID_ZERO_LEN: | |
b92e08fc | 5817 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len"); |
97a7a0b5 JM |
5818 | NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, |
5819 | NL80211_HIDDEN_SSID_ZERO_LEN); | |
5820 | break; | |
5821 | case HIDDEN_SSID_ZERO_CONTENTS: | |
b92e08fc | 5822 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents"); |
97a7a0b5 JM |
5823 | NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, |
5824 | NL80211_HIDDEN_SSID_ZERO_CONTENTS); | |
5825 | break; | |
5826 | } | |
b92e08fc | 5827 | wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy); |
b11d1d64 JM |
5828 | if (params->privacy) |
5829 | NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY); | |
b92e08fc | 5830 | wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs); |
b11d1d64 JM |
5831 | if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) == |
5832 | (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) { | |
5833 | /* Leave out the attribute */ | |
5834 | } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) | |
5835 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, | |
5836 | NL80211_AUTHTYPE_SHARED_KEY); | |
5837 | else | |
5838 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, | |
5839 | NL80211_AUTHTYPE_OPEN_SYSTEM); | |
5840 | ||
b92e08fc | 5841 | wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version); |
b11d1d64 JM |
5842 | ver = 0; |
5843 | if (params->wpa_version & WPA_PROTO_WPA) | |
5844 | ver |= NL80211_WPA_VERSION_1; | |
5845 | if (params->wpa_version & WPA_PROTO_RSN) | |
5846 | ver |= NL80211_WPA_VERSION_2; | |
5847 | if (ver) | |
5848 | NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver); | |
5849 | ||
b92e08fc JM |
5850 | wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x", |
5851 | params->key_mgmt_suites); | |
b11d1d64 JM |
5852 | num_suites = 0; |
5853 | if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X) | |
5854 | suites[num_suites++] = WLAN_AKM_SUITE_8021X; | |
5855 | if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK) | |
5856 | suites[num_suites++] = WLAN_AKM_SUITE_PSK; | |
5857 | if (num_suites) { | |
5858 | NLA_PUT(msg, NL80211_ATTR_AKM_SUITES, | |
5859 | num_suites * sizeof(u32), suites); | |
5860 | } | |
5861 | ||
9f12614b JB |
5862 | if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X && |
5863 | params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) | |
5864 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT); | |
5865 | ||
b92e08fc JM |
5866 | wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x", |
5867 | params->pairwise_ciphers); | |
b11d1d64 JM |
5868 | num_suites = 0; |
5869 | if (params->pairwise_ciphers & WPA_CIPHER_CCMP) | |
5870 | suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP; | |
eb7719ff JM |
5871 | if (params->pairwise_ciphers & WPA_CIPHER_GCMP) |
5872 | suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP; | |
b11d1d64 JM |
5873 | if (params->pairwise_ciphers & WPA_CIPHER_TKIP) |
5874 | suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP; | |
5875 | if (params->pairwise_ciphers & WPA_CIPHER_WEP104) | |
5876 | suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104; | |
5877 | if (params->pairwise_ciphers & WPA_CIPHER_WEP40) | |
5878 | suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40; | |
5879 | if (num_suites) { | |
5880 | NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, | |
5881 | num_suites * sizeof(u32), suites); | |
5882 | } | |
5883 | ||
b92e08fc JM |
5884 | wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x", |
5885 | params->group_cipher); | |
b11d1d64 JM |
5886 | switch (params->group_cipher) { |
5887 | case WPA_CIPHER_CCMP: | |
5888 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, | |
5889 | WLAN_CIPHER_SUITE_CCMP); | |
5890 | break; | |
eb7719ff JM |
5891 | case WPA_CIPHER_GCMP: |
5892 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, | |
5893 | WLAN_CIPHER_SUITE_GCMP); | |
5894 | break; | |
b11d1d64 JM |
5895 | case WPA_CIPHER_TKIP: |
5896 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, | |
5897 | WLAN_CIPHER_SUITE_TKIP); | |
5898 | break; | |
5899 | case WPA_CIPHER_WEP104: | |
5900 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, | |
5901 | WLAN_CIPHER_SUITE_WEP104); | |
5902 | break; | |
5903 | case WPA_CIPHER_WEP40: | |
5904 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, | |
5905 | WLAN_CIPHER_SUITE_WEP40); | |
5906 | break; | |
5907 | } | |
d2440ba0 | 5908 | |
fb91db56 | 5909 | if (params->beacon_ies) { |
b92e08fc JM |
5910 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies", |
5911 | params->beacon_ies); | |
fb91db56 JM |
5912 | NLA_PUT(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies), |
5913 | wpabuf_head(params->beacon_ies)); | |
5914 | } | |
5915 | if (params->proberesp_ies) { | |
b92e08fc JM |
5916 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies", |
5917 | params->proberesp_ies); | |
fb91db56 JM |
5918 | NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP, |
5919 | wpabuf_len(params->proberesp_ies), | |
5920 | wpabuf_head(params->proberesp_ies)); | |
5921 | } | |
5922 | if (params->assocresp_ies) { | |
b92e08fc JM |
5923 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies", |
5924 | params->assocresp_ies); | |
fb91db56 JM |
5925 | NLA_PUT(msg, NL80211_ATTR_IE_ASSOC_RESP, |
5926 | wpabuf_len(params->assocresp_ies), | |
5927 | wpabuf_head(params->assocresp_ies)); | |
5928 | } | |
5929 | ||
a0133ee1 | 5930 | if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) { |
b92e08fc JM |
5931 | wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d", |
5932 | params->ap_max_inactivity); | |
a0133ee1 VT |
5933 | NLA_PUT_U16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT, |
5934 | params->ap_max_inactivity); | |
5935 | } | |
5936 | ||
d2440ba0 JM |
5937 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
5938 | if (ret) { | |
5939 | wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)", | |
5940 | ret, strerror(-ret)); | |
b4fd6fab | 5941 | } else { |
b4fd6fab | 5942 | bss->beacon_set = 1; |
31357268 | 5943 | nl80211_set_bss(bss, params->cts_protect, params->preamble, |
d03e8d11 | 5944 | params->short_slot_time, params->ht_opmode, |
e5693c47 | 5945 | params->isolate, params->basic_rates); |
b4fd6fab | 5946 | } |
d2440ba0 JM |
5947 | return ret; |
5948 | nla_put_failure: | |
5883168a | 5949 | nlmsg_free(msg); |
d2440ba0 JM |
5950 | return -ENOBUFS; |
5951 | } | |
5952 | ||
5953 | ||
e4fb2167 | 5954 | static int wpa_driver_nl80211_set_freq(struct i802_bss *bss, |
89b800d7 | 5955 | struct hostapd_freq_params *freq) |
1581b38b | 5956 | { |
e4fb2167 | 5957 | struct wpa_driver_nl80211_data *drv = bss->drv; |
1581b38b | 5958 | struct nl_msg *msg; |
d2440ba0 | 5959 | int ret; |
1581b38b | 5960 | |
89b800d7 JB |
5961 | wpa_printf(MSG_DEBUG, "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d," |
5962 | " bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)", | |
5963 | freq->freq, freq->ht_enabled, freq->vht_enabled, | |
5964 | freq->bandwidth, freq->center_freq1, freq->center_freq2); | |
1581b38b JM |
5965 | msg = nlmsg_alloc(); |
5966 | if (!msg) | |
5967 | return -1; | |
5968 | ||
9fb04070 | 5969 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); |
1581b38b JM |
5970 | |
5971 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
89b800d7 JB |
5972 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq); |
5973 | if (freq->vht_enabled) { | |
5974 | switch (freq->bandwidth) { | |
5975 | case 20: | |
5976 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
5977 | NL80211_CHAN_WIDTH_20); | |
5978 | break; | |
5979 | case 40: | |
5980 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
5981 | NL80211_CHAN_WIDTH_40); | |
5982 | break; | |
5983 | case 80: | |
5984 | if (freq->center_freq2) | |
5985 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
5986 | NL80211_CHAN_WIDTH_80P80); | |
5987 | else | |
5988 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
5989 | NL80211_CHAN_WIDTH_80); | |
5990 | break; | |
5991 | case 160: | |
5992 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
5993 | NL80211_CHAN_WIDTH_160); | |
5994 | break; | |
5995 | default: | |
5996 | return -1; | |
5997 | } | |
5998 | NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1); | |
5999 | if (freq->center_freq2) | |
6000 | NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2, | |
6001 | freq->center_freq2); | |
6002 | } else if (freq->ht_enabled) { | |
6003 | switch (freq->sec_channel_offset) { | |
f019981a JM |
6004 | case -1: |
6005 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
6006 | NL80211_CHAN_HT40MINUS); | |
6007 | break; | |
6008 | case 1: | |
6009 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
6010 | NL80211_CHAN_HT40PLUS); | |
6011 | break; | |
6012 | default: | |
6013 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
6014 | NL80211_CHAN_HT20); | |
6015 | break; | |
6016 | } | |
6017 | } | |
1581b38b | 6018 | |
d2440ba0 | 6019 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
5883168a | 6020 | msg = NULL; |
e4fb2167 | 6021 | if (ret == 0) { |
89b800d7 | 6022 | bss->freq = freq->freq; |
1581b38b | 6023 | return 0; |
e4fb2167 | 6024 | } |
f019981a | 6025 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): " |
89b800d7 | 6026 | "%d (%s)", freq->freq, ret, strerror(-ret)); |
1581b38b | 6027 | nla_put_failure: |
5883168a | 6028 | nlmsg_free(msg); |
1581b38b JM |
6029 | return -1; |
6030 | } | |
6031 | ||
0f4e8b4f | 6032 | |
95ab6063 AN |
6033 | static u32 sta_flags_nl80211(int flags) |
6034 | { | |
6035 | u32 f = 0; | |
6036 | ||
6037 | if (flags & WPA_STA_AUTHORIZED) | |
6038 | f |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
6039 | if (flags & WPA_STA_WMM) | |
6040 | f |= BIT(NL80211_STA_FLAG_WME); | |
6041 | if (flags & WPA_STA_SHORT_PREAMBLE) | |
6042 | f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
6043 | if (flags & WPA_STA_MFP) | |
6044 | f |= BIT(NL80211_STA_FLAG_MFP); | |
45b722f1 AN |
6045 | if (flags & WPA_STA_TDLS_PEER) |
6046 | f |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
95ab6063 AN |
6047 | |
6048 | return f; | |
6049 | } | |
6050 | ||
6051 | ||
62847751 | 6052 | static int wpa_driver_nl80211_sta_add(void *priv, |
0f4e8b4f JM |
6053 | struct hostapd_sta_add_params *params) |
6054 | { | |
a2e40bb6 FF |
6055 | struct i802_bss *bss = priv; |
6056 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8970bae8 | 6057 | struct nl_msg *msg; |
95ab6063 | 6058 | struct nl80211_sta_flag_update upd; |
0f4e8b4f JM |
6059 | int ret = -ENOBUFS; |
6060 | ||
45b722f1 AN |
6061 | if ((params->flags & WPA_STA_TDLS_PEER) && |
6062 | !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
6063 | return -EOPNOTSUPP; | |
6064 | ||
0f4e8b4f JM |
6065 | msg = nlmsg_alloc(); |
6066 | if (!msg) | |
6067 | return -ENOMEM; | |
6068 | ||
e4dea253 JM |
6069 | wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR, |
6070 | params->set ? "Set" : "Add", MAC2STR(params->addr)); | |
45b722f1 AN |
6071 | nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION : |
6072 | NL80211_CMD_NEW_STATION); | |
0f4e8b4f | 6073 | |
62847751 | 6074 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); |
0f4e8b4f | 6075 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr); |
0f4e8b4f JM |
6076 | NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len, |
6077 | params->supp_rates); | |
e4dea253 JM |
6078 | wpa_hexdump(MSG_DEBUG, " * supported rates", params->supp_rates, |
6079 | params->supp_rates_len); | |
45b722f1 | 6080 | if (!params->set) { |
e4dea253 | 6081 | wpa_printf(MSG_DEBUG, " * aid=%u", params->aid); |
45b722f1 | 6082 | NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid); |
e4dea253 JM |
6083 | wpa_printf(MSG_DEBUG, " * listen_interval=%u", |
6084 | params->listen_interval); | |
45b722f1 AN |
6085 | NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, |
6086 | params->listen_interval); | |
6087 | } | |
0f4e8b4f | 6088 | if (params->ht_capabilities) { |
e4dea253 JM |
6089 | wpa_hexdump(MSG_DEBUG, " * ht_capabilities", |
6090 | (u8 *) params->ht_capabilities, | |
6091 | sizeof(*params->ht_capabilities)); | |
0f4e8b4f | 6092 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, |
fc4e2d95 JM |
6093 | sizeof(*params->ht_capabilities), |
6094 | params->ht_capabilities); | |
0f4e8b4f | 6095 | } |
0f4e8b4f | 6096 | |
05a8d422 | 6097 | if (params->vht_capabilities) { |
e4dea253 JM |
6098 | wpa_hexdump(MSG_DEBUG, " * vht_capabilities", |
6099 | (u8 *) params->vht_capabilities, | |
6100 | sizeof(*params->vht_capabilities)); | |
05a8d422 JB |
6101 | NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, |
6102 | sizeof(*params->vht_capabilities), | |
6103 | params->vht_capabilities); | |
6104 | } | |
6105 | ||
122d16f2 SD |
6106 | wpa_printf(MSG_DEBUG, " * capability=0x%x", params->capability); |
6107 | NLA_PUT_U16(msg, NL80211_ATTR_STA_CAPABILITY, params->capability); | |
6108 | ||
6109 | if (params->ext_capab) { | |
6110 | wpa_hexdump(MSG_DEBUG, " * ext_capab", | |
6111 | params->ext_capab, params->ext_capab_len); | |
6112 | NLA_PUT(msg, NL80211_ATTR_STA_EXT_CAPABILITY, | |
6113 | params->ext_capab_len, params->ext_capab); | |
6114 | } | |
6115 | ||
95ab6063 AN |
6116 | os_memset(&upd, 0, sizeof(upd)); |
6117 | upd.mask = sta_flags_nl80211(params->flags); | |
6118 | upd.set = upd.mask; | |
e4dea253 JM |
6119 | wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x", |
6120 | upd.set, upd.mask); | |
95ab6063 AN |
6121 | NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd); |
6122 | ||
774bfa62 | 6123 | if (params->flags & WPA_STA_WMM) { |
8970bae8 JB |
6124 | struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME); |
6125 | ||
774bfa62 EP |
6126 | if (!wme) |
6127 | goto nla_put_failure; | |
6128 | ||
e4dea253 | 6129 | wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo); |
8970bae8 | 6130 | NLA_PUT_U8(msg, NL80211_STA_WME_UAPSD_QUEUES, |
5d061637 | 6131 | params->qosinfo & WMM_QOSINFO_STA_AC_MASK); |
8970bae8 | 6132 | NLA_PUT_U8(msg, NL80211_STA_WME_MAX_SP, |
bdaf1748 | 6133 | (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) & |
5d061637 | 6134 | WMM_QOSINFO_STA_SP_MASK); |
8970bae8 | 6135 | nla_nest_end(msg, wme); |
774bfa62 EP |
6136 | } |
6137 | ||
0f4e8b4f | 6138 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
5883168a | 6139 | msg = NULL; |
0f4e8b4f | 6140 | if (ret) |
45b722f1 AN |
6141 | wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION " |
6142 | "result: %d (%s)", params->set ? "SET" : "NEW", ret, | |
6143 | strerror(-ret)); | |
0f4e8b4f JM |
6144 | if (ret == -EEXIST) |
6145 | ret = 0; | |
6146 | nla_put_failure: | |
5883168a | 6147 | nlmsg_free(msg); |
0f4e8b4f JM |
6148 | return ret; |
6149 | } | |
6150 | ||
6151 | ||
9ebce9c5 | 6152 | static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr) |
0f4e8b4f | 6153 | { |
a2e40bb6 | 6154 | struct wpa_driver_nl80211_data *drv = bss->drv; |
0f4e8b4f JM |
6155 | struct nl_msg *msg; |
6156 | int ret; | |
6157 | ||
6158 | msg = nlmsg_alloc(); | |
6159 | if (!msg) | |
6160 | return -ENOMEM; | |
6161 | ||
9fb04070 | 6162 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION); |
0f4e8b4f JM |
6163 | |
6164 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
a2e40bb6 | 6165 | if_nametoindex(bss->ifname)); |
0f4e8b4f JM |
6166 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); |
6167 | ||
6168 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6169 | if (ret == -ENOENT) | |
6170 | return 0; | |
6171 | return ret; | |
6172 | nla_put_failure: | |
5883168a | 6173 | nlmsg_free(msg); |
0f4e8b4f JM |
6174 | return -ENOBUFS; |
6175 | } | |
6176 | ||
1581b38b | 6177 | |
0915d02c JM |
6178 | static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, |
6179 | int ifidx) | |
6180 | { | |
6181 | struct nl_msg *msg; | |
6182 | ||
c6e8e8e4 JM |
6183 | wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx); |
6184 | ||
2135f224 JM |
6185 | /* stop listening for EAPOL on this interface */ |
6186 | del_ifidx(drv, ifidx); | |
2135f224 | 6187 | |
0915d02c JM |
6188 | msg = nlmsg_alloc(); |
6189 | if (!msg) | |
6190 | goto nla_put_failure; | |
6191 | ||
9fb04070 | 6192 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE); |
0915d02c JM |
6193 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx); |
6194 | ||
6195 | if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) | |
6196 | return; | |
5883168a | 6197 | msg = NULL; |
0915d02c | 6198 | nla_put_failure: |
5883168a | 6199 | nlmsg_free(msg); |
e748062b | 6200 | wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx); |
0915d02c JM |
6201 | } |
6202 | ||
6203 | ||
a1922f93 JM |
6204 | static const char * nl80211_iftype_str(enum nl80211_iftype mode) |
6205 | { | |
6206 | switch (mode) { | |
6207 | case NL80211_IFTYPE_ADHOC: | |
6208 | return "ADHOC"; | |
6209 | case NL80211_IFTYPE_STATION: | |
6210 | return "STATION"; | |
6211 | case NL80211_IFTYPE_AP: | |
6212 | return "AP"; | |
6213 | case NL80211_IFTYPE_MONITOR: | |
6214 | return "MONITOR"; | |
6215 | case NL80211_IFTYPE_P2P_CLIENT: | |
6216 | return "P2P_CLIENT"; | |
6217 | case NL80211_IFTYPE_P2P_GO: | |
6218 | return "P2P_GO"; | |
6219 | default: | |
6220 | return "unknown"; | |
6221 | } | |
6222 | } | |
6223 | ||
6224 | ||
a35187e7 KH |
6225 | static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv, |
6226 | const char *ifname, | |
6227 | enum nl80211_iftype iftype, | |
fbbfcbac | 6228 | const u8 *addr, int wds) |
0915d02c | 6229 | { |
8970bae8 | 6230 | struct nl_msg *msg; |
0915d02c JM |
6231 | int ifidx; |
6232 | int ret = -ENOBUFS; | |
6233 | ||
a1922f93 JM |
6234 | wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)", |
6235 | iftype, nl80211_iftype_str(iftype)); | |
6236 | ||
0915d02c JM |
6237 | msg = nlmsg_alloc(); |
6238 | if (!msg) | |
6239 | return -1; | |
6240 | ||
9fb04070 | 6241 | nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_INTERFACE); |
0915d02c JM |
6242 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
6243 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname); | |
6244 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype); | |
6245 | ||
6246 | if (iftype == NL80211_IFTYPE_MONITOR) { | |
8970bae8 | 6247 | struct nlattr *flags; |
0915d02c | 6248 | |
8970bae8 | 6249 | flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS); |
0915d02c JM |
6250 | if (!flags) |
6251 | goto nla_put_failure; | |
6252 | ||
8970bae8 | 6253 | NLA_PUT_FLAG(msg, NL80211_MNTR_FLAG_COOK_FRAMES); |
0915d02c | 6254 | |
8970bae8 | 6255 | nla_nest_end(msg, flags); |
fbbfcbac FF |
6256 | } else if (wds) { |
6257 | NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds); | |
0915d02c JM |
6258 | } |
6259 | ||
6260 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5883168a | 6261 | msg = NULL; |
0915d02c JM |
6262 | if (ret) { |
6263 | nla_put_failure: | |
5883168a | 6264 | nlmsg_free(msg); |
a35187e7 KH |
6265 | wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)", |
6266 | ifname, ret, strerror(-ret)); | |
0915d02c JM |
6267 | return ret; |
6268 | } | |
6269 | ||
6270 | ifidx = if_nametoindex(ifname); | |
c6e8e8e4 JM |
6271 | wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d", |
6272 | ifname, ifidx); | |
0915d02c JM |
6273 | |
6274 | if (ifidx <= 0) | |
6275 | return -1; | |
6276 | ||
2135f224 JM |
6277 | /* start listening for EAPOL on this interface */ |
6278 | add_ifidx(drv, ifidx); | |
6279 | ||
7bfc47c3 | 6280 | if (addr && iftype != NL80211_IFTYPE_MONITOR && |
c81eff1a | 6281 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) { |
41d931ee JM |
6282 | nl80211_remove_iface(drv, ifidx); |
6283 | return -1; | |
2135f224 | 6284 | } |
2135f224 | 6285 | |
0915d02c JM |
6286 | return ifidx; |
6287 | } | |
22a7c9d7 JM |
6288 | |
6289 | ||
a35187e7 KH |
6290 | static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, |
6291 | const char *ifname, enum nl80211_iftype iftype, | |
fbbfcbac | 6292 | const u8 *addr, int wds) |
a35187e7 KH |
6293 | { |
6294 | int ret; | |
6295 | ||
fbbfcbac | 6296 | ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds); |
a35187e7 | 6297 | |
ffbf1eaa | 6298 | /* if error occurred and interface exists already */ |
a35187e7 KH |
6299 | if (ret == -ENFILE && if_nametoindex(ifname)) { |
6300 | wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname); | |
6301 | ||
6302 | /* Try to remove the interface that was already there. */ | |
6303 | nl80211_remove_iface(drv, if_nametoindex(ifname)); | |
6304 | ||
6305 | /* Try to create the interface again */ | |
fbbfcbac FF |
6306 | ret = nl80211_create_iface_once(drv, ifname, iftype, addr, |
6307 | wds); | |
a35187e7 KH |
6308 | } |
6309 | ||
b3af99d2 | 6310 | if (ret >= 0 && is_p2p_interface(iftype)) |
4e5cb1a3 JM |
6311 | nl80211_disable_11b_rates(drv, ret, 1); |
6312 | ||
a35187e7 KH |
6313 | return ret; |
6314 | } | |
0915d02c | 6315 | |
2135f224 | 6316 | |
0915d02c JM |
6317 | static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok) |
6318 | { | |
6319 | struct ieee80211_hdr *hdr; | |
f8b1f695 JM |
6320 | u16 fc; |
6321 | union wpa_event_data event; | |
0915d02c JM |
6322 | |
6323 | hdr = (struct ieee80211_hdr *) buf; | |
6324 | fc = le_to_host16(hdr->frame_control); | |
6325 | ||
f8b1f695 JM |
6326 | os_memset(&event, 0, sizeof(event)); |
6327 | event.tx_status.type = WLAN_FC_GET_TYPE(fc); | |
6328 | event.tx_status.stype = WLAN_FC_GET_STYPE(fc); | |
6329 | event.tx_status.dst = hdr->addr1; | |
6330 | event.tx_status.data = buf; | |
6331 | event.tx_status.data_len = len; | |
6332 | event.tx_status.ack = ok; | |
6333 | wpa_supplicant_event(ctx, EVENT_TX_STATUS, &event); | |
0915d02c JM |
6334 | } |
6335 | ||
6336 | ||
4b9841d3 | 6337 | static void from_unknown_sta(struct wpa_driver_nl80211_data *drv, |
0d9fc3d8 | 6338 | u8 *buf, size_t len) |
0915d02c | 6339 | { |
9b90955e JB |
6340 | struct ieee80211_hdr *hdr = (void *)buf; |
6341 | u16 fc; | |
f8b1f695 | 6342 | union wpa_event_data event; |
9b90955e JB |
6343 | |
6344 | if (len < sizeof(*hdr)) | |
6345 | return; | |
6346 | ||
6347 | fc = le_to_host16(hdr->frame_control); | |
6348 | ||
f8b1f695 | 6349 | os_memset(&event, 0, sizeof(event)); |
9b90955e JB |
6350 | event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len); |
6351 | event.rx_from_unknown.addr = hdr->addr2; | |
6352 | event.rx_from_unknown.wds = (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) == | |
6353 | (WLAN_FC_FROMDS | WLAN_FC_TODS); | |
f8b1f695 | 6354 | wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event); |
4b9841d3 | 6355 | } |
0915d02c | 6356 | |
4b9841d3 JM |
6357 | |
6358 | static void handle_frame(struct wpa_driver_nl80211_data *drv, | |
2a8b7416 | 6359 | u8 *buf, size_t len, int datarate, int ssi_signal) |
4b9841d3 JM |
6360 | { |
6361 | struct ieee80211_hdr *hdr; | |
f8b1f695 JM |
6362 | u16 fc; |
6363 | union wpa_event_data event; | |
0915d02c JM |
6364 | |
6365 | hdr = (struct ieee80211_hdr *) buf; | |
6366 | fc = le_to_host16(hdr->frame_control); | |
0915d02c | 6367 | |
4b9841d3 | 6368 | switch (WLAN_FC_GET_TYPE(fc)) { |
0915d02c | 6369 | case WLAN_FC_TYPE_MGMT: |
f8b1f695 JM |
6370 | os_memset(&event, 0, sizeof(event)); |
6371 | event.rx_mgmt.frame = buf; | |
6372 | event.rx_mgmt.frame_len = len; | |
2a8b7416 JM |
6373 | event.rx_mgmt.datarate = datarate; |
6374 | event.rx_mgmt.ssi_signal = ssi_signal; | |
f8b1f695 | 6375 | wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); |
0915d02c JM |
6376 | break; |
6377 | case WLAN_FC_TYPE_CTRL: | |
6378 | /* can only get here with PS-Poll frames */ | |
6379 | wpa_printf(MSG_DEBUG, "CTRL"); | |
0d9fc3d8 | 6380 | from_unknown_sta(drv, buf, len); |
0915d02c JM |
6381 | break; |
6382 | case WLAN_FC_TYPE_DATA: | |
0d9fc3d8 | 6383 | from_unknown_sta(drv, buf, len); |
0915d02c JM |
6384 | break; |
6385 | } | |
6386 | } | |
6387 | ||
6388 | ||
6389 | static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx) | |
6390 | { | |
6391 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
6392 | int len; | |
6393 | unsigned char buf[3000]; | |
6394 | struct ieee80211_radiotap_iterator iter; | |
6395 | int ret; | |
2a8b7416 | 6396 | int datarate = 0, ssi_signal = 0; |
4b9841d3 | 6397 | int injected = 0, failed = 0, rxflags = 0; |
0915d02c JM |
6398 | |
6399 | len = recv(sock, buf, sizeof(buf), 0); | |
6400 | if (len < 0) { | |
6401 | perror("recv"); | |
6402 | return; | |
6403 | } | |
6404 | ||
6405 | if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) { | |
6406 | printf("received invalid radiotap frame\n"); | |
6407 | return; | |
6408 | } | |
6409 | ||
0915d02c JM |
6410 | while (1) { |
6411 | ret = ieee80211_radiotap_iterator_next(&iter); | |
6412 | if (ret == -ENOENT) | |
6413 | break; | |
6414 | if (ret) { | |
6415 | printf("received invalid radiotap frame (%d)\n", ret); | |
6416 | return; | |
6417 | } | |
6418 | switch (iter.this_arg_index) { | |
6419 | case IEEE80211_RADIOTAP_FLAGS: | |
6420 | if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS) | |
6421 | len -= 4; | |
6422 | break; | |
6423 | case IEEE80211_RADIOTAP_RX_FLAGS: | |
6424 | rxflags = 1; | |
6425 | break; | |
6426 | case IEEE80211_RADIOTAP_TX_FLAGS: | |
6427 | injected = 1; | |
6428 | failed = le_to_host16((*(uint16_t *) iter.this_arg)) & | |
6429 | IEEE80211_RADIOTAP_F_TX_FAIL; | |
6430 | break; | |
6431 | case IEEE80211_RADIOTAP_DATA_RETRIES: | |
6432 | break; | |
6433 | case IEEE80211_RADIOTAP_CHANNEL: | |
2a8b7416 | 6434 | /* TODO: convert from freq/flags to channel number */ |
0915d02c JM |
6435 | break; |
6436 | case IEEE80211_RADIOTAP_RATE: | |
2a8b7416 | 6437 | datarate = *iter.this_arg * 5; |
0915d02c | 6438 | break; |
baf513d6 JB |
6439 | case IEEE80211_RADIOTAP_DBM_ANTSIGNAL: |
6440 | ssi_signal = (s8) *iter.this_arg; | |
0915d02c JM |
6441 | break; |
6442 | } | |
6443 | } | |
6444 | ||
6445 | if (rxflags && injected) | |
6446 | return; | |
6447 | ||
6448 | if (!injected) | |
4b9841d3 | 6449 | handle_frame(drv, buf + iter.max_length, |
2a8b7416 | 6450 | len - iter.max_length, datarate, ssi_signal); |
0915d02c | 6451 | else |
4b9841d3 JM |
6452 | handle_tx_callback(drv->ctx, buf + iter.max_length, |
6453 | len - iter.max_length, !failed); | |
0915d02c JM |
6454 | } |
6455 | ||
6456 | ||
6457 | /* | |
6458 | * we post-process the filter code later and rewrite | |
6459 | * this to the offset to the last instruction | |
6460 | */ | |
6461 | #define PASS 0xFF | |
6462 | #define FAIL 0xFE | |
6463 | ||
6464 | static struct sock_filter msock_filter_insns[] = { | |
6465 | /* | |
6466 | * do a little-endian load of the radiotap length field | |
6467 | */ | |
6468 | /* load lower byte into A */ | |
6469 | BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2), | |
6470 | /* put it into X (== index register) */ | |
6471 | BPF_STMT(BPF_MISC| BPF_TAX, 0), | |
6472 | /* load upper byte into A */ | |
6473 | BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 3), | |
6474 | /* left-shift it by 8 */ | |
6475 | BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 8), | |
6476 | /* or with X */ | |
6477 | BPF_STMT(BPF_ALU | BPF_OR | BPF_X, 0), | |
6478 | /* put result into X */ | |
6479 | BPF_STMT(BPF_MISC| BPF_TAX, 0), | |
6480 | ||
6481 | /* | |
6482 | * Allow management frames through, this also gives us those | |
6483 | * management frames that we sent ourselves with status | |
6484 | */ | |
6485 | /* load the lower byte of the IEEE 802.11 frame control field */ | |
6486 | BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0), | |
6487 | /* mask off frame type and version */ | |
6488 | BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xF), | |
6489 | /* accept frame if it's both 0, fall through otherwise */ | |
6490 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, PASS, 0), | |
6491 | ||
6492 | /* | |
6493 | * TODO: add a bit to radiotap RX flags that indicates | |
6494 | * that the sending station is not associated, then | |
6495 | * add a filter here that filters on our DA and that flag | |
6496 | * to allow us to deauth frames to that bad station. | |
6497 | * | |
65ae1afd | 6498 | * For now allow all To DS data frames through. |
0915d02c | 6499 | */ |
65ae1afd HS |
6500 | /* load the IEEE 802.11 frame control field */ |
6501 | BPF_STMT(BPF_LD | BPF_H | BPF_IND, 0), | |
6502 | /* mask off frame type, version and DS status */ | |
6503 | BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03), | |
6504 | /* accept frame if version 0, type 2 and To DS, fall through otherwise | |
6505 | */ | |
6506 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0), | |
0915d02c JM |
6507 | |
6508 | #if 0 | |
6509 | /* | |
fbbfcbac | 6510 | * drop non-data frames |
0915d02c JM |
6511 | */ |
6512 | /* load the lower byte of the frame control field */ | |
6513 | BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0), | |
6514 | /* mask off QoS bit */ | |
6515 | BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c), | |
6516 | /* drop non-data frames */ | |
6517 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL), | |
fbbfcbac | 6518 | #endif |
0915d02c | 6519 | /* load the upper byte of the frame control field */ |
fbbfcbac | 6520 | BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1), |
0915d02c JM |
6521 | /* mask off toDS/fromDS */ |
6522 | BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03), | |
fbbfcbac FF |
6523 | /* accept WDS frames */ |
6524 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, PASS, 0), | |
0915d02c JM |
6525 | |
6526 | /* | |
6527 | * add header length to index | |
6528 | */ | |
6529 | /* load the lower byte of the frame control field */ | |
6530 | BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0), | |
6531 | /* mask off QoS bit */ | |
6532 | BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x80), | |
6533 | /* right shift it by 6 to give 0 or 2 */ | |
6534 | BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 6), | |
6535 | /* add data frame header length */ | |
6536 | BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 24), | |
6537 | /* add index, was start of 802.11 header */ | |
6538 | BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0), | |
6539 | /* move to index, now start of LL header */ | |
6540 | BPF_STMT(BPF_MISC | BPF_TAX, 0), | |
6541 | ||
6542 | /* | |
6543 | * Accept empty data frames, we use those for | |
6544 | * polling activity. | |
6545 | */ | |
6546 | BPF_STMT(BPF_LD | BPF_W | BPF_LEN, 0), | |
6547 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, PASS, 0), | |
6548 | ||
6549 | /* | |
6550 | * Accept EAPOL frames | |
6551 | */ | |
6552 | BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0), | |
6553 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0xAAAA0300, 0, FAIL), | |
6554 | BPF_STMT(BPF_LD | BPF_W | BPF_IND, 4), | |
6555 | BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0000888E, PASS, FAIL), | |
6556 | ||
6557 | /* keep these last two statements or change the code below */ | |
6558 | /* return 0 == "DROP" */ | |
6559 | BPF_STMT(BPF_RET | BPF_K, 0), | |
6560 | /* return ~0 == "keep all" */ | |
6561 | BPF_STMT(BPF_RET | BPF_K, ~0), | |
6562 | }; | |
6563 | ||
6564 | static struct sock_fprog msock_filter = { | |
6565 | .len = sizeof(msock_filter_insns)/sizeof(msock_filter_insns[0]), | |
6566 | .filter = msock_filter_insns, | |
6567 | }; | |
6568 | ||
6569 | ||
6570 | static int add_monitor_filter(int s) | |
6571 | { | |
6572 | int idx; | |
6573 | ||
6574 | /* rewrite all PASS/FAIL jump offsets */ | |
6575 | for (idx = 0; idx < msock_filter.len; idx++) { | |
6576 | struct sock_filter *insn = &msock_filter_insns[idx]; | |
6577 | ||
6578 | if (BPF_CLASS(insn->code) == BPF_JMP) { | |
6579 | if (insn->code == (BPF_JMP|BPF_JA)) { | |
6580 | if (insn->k == PASS) | |
6581 | insn->k = msock_filter.len - idx - 2; | |
6582 | else if (insn->k == FAIL) | |
6583 | insn->k = msock_filter.len - idx - 3; | |
6584 | } | |
6585 | ||
6586 | if (insn->jt == PASS) | |
6587 | insn->jt = msock_filter.len - idx - 2; | |
6588 | else if (insn->jt == FAIL) | |
6589 | insn->jt = msock_filter.len - idx - 3; | |
6590 | ||
6591 | if (insn->jf == PASS) | |
6592 | insn->jf = msock_filter.len - idx - 2; | |
6593 | else if (insn->jf == FAIL) | |
6594 | insn->jf = msock_filter.len - idx - 3; | |
6595 | } | |
6596 | } | |
6597 | ||
6598 | if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER, | |
6599 | &msock_filter, sizeof(msock_filter))) { | |
6600 | perror("SO_ATTACH_FILTER"); | |
6601 | return -1; | |
6602 | } | |
6603 | ||
6604 | return 0; | |
6605 | } | |
6606 | ||
6607 | ||
460456f8 JM |
6608 | static void nl80211_remove_monitor_interface( |
6609 | struct wpa_driver_nl80211_data *drv) | |
6610 | { | |
3fd1cefb JB |
6611 | drv->monitor_refcount--; |
6612 | if (drv->monitor_refcount > 0) | |
6613 | return; | |
6614 | ||
460456f8 JM |
6615 | if (drv->monitor_ifidx >= 0) { |
6616 | nl80211_remove_iface(drv, drv->monitor_ifidx); | |
6617 | drv->monitor_ifidx = -1; | |
6618 | } | |
504e905c JM |
6619 | if (drv->monitor_sock >= 0) { |
6620 | eloop_unregister_read_sock(drv->monitor_sock); | |
6621 | close(drv->monitor_sock); | |
6622 | drv->monitor_sock = -1; | |
6623 | } | |
460456f8 JM |
6624 | } |
6625 | ||
6626 | ||
0915d02c JM |
6627 | static int |
6628 | nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv) | |
6629 | { | |
6630 | char buf[IFNAMSIZ]; | |
6631 | struct sockaddr_ll ll; | |
6632 | int optval; | |
6633 | socklen_t optlen; | |
0915d02c | 6634 | |
3fd1cefb JB |
6635 | if (drv->monitor_ifidx >= 0) { |
6636 | drv->monitor_refcount++; | |
6637 | return 0; | |
6638 | } | |
6639 | ||
6758b167 JJ |
6640 | if (os_strncmp(drv->first_bss.ifname, "p2p-", 4) == 0) { |
6641 | /* | |
6642 | * P2P interface name is of the format p2p-%s-%d. For monitor | |
6643 | * interface name corresponding to P2P GO, replace "p2p-" with | |
6644 | * "mon-" to retain the same interface name length and to | |
6645 | * indicate that it is a monitor interface. | |
6646 | */ | |
6647 | snprintf(buf, IFNAMSIZ, "mon-%s", drv->first_bss.ifname + 4); | |
6648 | } else { | |
6649 | /* Non-P2P interface with AP functionality. */ | |
6650 | snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss.ifname); | |
6651 | } | |
6652 | ||
0915d02c JM |
6653 | buf[IFNAMSIZ - 1] = '\0'; |
6654 | ||
6655 | drv->monitor_ifidx = | |
fbbfcbac FF |
6656 | nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL, |
6657 | 0); | |
0915d02c | 6658 | |
866af8b6 | 6659 | if (drv->monitor_ifidx == -EOPNOTSUPP) { |
61cbe2ff JB |
6660 | /* |
6661 | * This is backward compatibility for a few versions of | |
6662 | * the kernel only that didn't advertise the right | |
6663 | * attributes for the only driver that then supported | |
6664 | * AP mode w/o monitor -- ath6kl. | |
6665 | */ | |
866af8b6 JM |
6666 | wpa_printf(MSG_DEBUG, "nl80211: Driver does not support " |
6667 | "monitor interface type - try to run without it"); | |
61cbe2ff | 6668 | drv->device_ap_sme = 1; |
866af8b6 JM |
6669 | } |
6670 | ||
0915d02c JM |
6671 | if (drv->monitor_ifidx < 0) |
6672 | return -1; | |
6673 | ||
c81eff1a | 6674 | if (linux_set_iface_flags(drv->global->ioctl_sock, buf, 1)) |
0915d02c | 6675 | goto error; |
0915d02c JM |
6676 | |
6677 | memset(&ll, 0, sizeof(ll)); | |
6678 | ll.sll_family = AF_PACKET; | |
6679 | ll.sll_ifindex = drv->monitor_ifidx; | |
6680 | drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL)); | |
6681 | if (drv->monitor_sock < 0) { | |
6682 | perror("socket[PF_PACKET,SOCK_RAW]"); | |
6683 | goto error; | |
6684 | } | |
6685 | ||
6686 | if (add_monitor_filter(drv->monitor_sock)) { | |
6687 | wpa_printf(MSG_INFO, "Failed to set socket filter for monitor " | |
6688 | "interface; do filtering in user space"); | |
6689 | /* This works, but will cost in performance. */ | |
6690 | } | |
6691 | ||
2135f224 | 6692 | if (bind(drv->monitor_sock, (struct sockaddr *) &ll, sizeof(ll)) < 0) { |
0915d02c JM |
6693 | perror("monitor socket bind"); |
6694 | goto error; | |
6695 | } | |
6696 | ||
6697 | optlen = sizeof(optval); | |
6698 | optval = 20; | |
6699 | if (setsockopt | |
6700 | (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) { | |
6701 | perror("Failed to set socket priority"); | |
6702 | goto error; | |
6703 | } | |
6704 | ||
6705 | if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read, | |
6706 | drv, NULL)) { | |
6707 | printf("Could not register monitor read socket\n"); | |
6708 | goto error; | |
6709 | } | |
6710 | ||
6711 | return 0; | |
6712 | error: | |
460456f8 | 6713 | nl80211_remove_monitor_interface(drv); |
0915d02c JM |
6714 | return -1; |
6715 | } | |
6716 | ||
db149ac9 | 6717 | |
3fd1cefb JB |
6718 | static int nl80211_setup_ap(struct i802_bss *bss) |
6719 | { | |
6720 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6721 | ||
36488c05 JM |
6722 | wpa_printf(MSG_DEBUG, "nl80211: Setup AP - device_ap_sme=%d " |
6723 | "use_monitor=%d", drv->device_ap_sme, drv->use_monitor); | |
6724 | ||
a11241fa JB |
6725 | /* |
6726 | * Disable Probe Request reporting unless we need it in this way for | |
6727 | * devices that include the AP SME, in the other case (unless using | |
6728 | * monitor iface) we'll get it through the nl_mgmt socket instead. | |
6729 | */ | |
6730 | if (!drv->device_ap_sme) | |
6731 | wpa_driver_nl80211_probe_req_report(bss, 0); | |
6732 | ||
6733 | if (!drv->device_ap_sme && !drv->use_monitor) | |
6734 | if (nl80211_mgmt_subscribe_ap(bss)) | |
6735 | return -1; | |
6736 | ||
a6cc0602 JM |
6737 | if (drv->device_ap_sme && !drv->use_monitor) |
6738 | if (nl80211_mgmt_subscribe_ap_dev_sme(bss)) | |
6739 | return -1; | |
6740 | ||
a11241fa | 6741 | if (!drv->device_ap_sme && drv->use_monitor && |
3fd1cefb JB |
6742 | nl80211_create_monitor_interface(drv) && |
6743 | !drv->device_ap_sme) | |
6744 | return -1; | |
6745 | ||
6746 | if (drv->device_ap_sme && | |
6747 | wpa_driver_nl80211_probe_req_report(bss, 1) < 0) { | |
6748 | wpa_printf(MSG_DEBUG, "nl80211: Failed to enable " | |
6749 | "Probe Request frame reporting in AP mode"); | |
6750 | /* Try to survive without this */ | |
6751 | } | |
6752 | ||
6753 | return 0; | |
6754 | } | |
6755 | ||
6756 | ||
6757 | static void nl80211_teardown_ap(struct i802_bss *bss) | |
6758 | { | |
6759 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6760 | ||
a6cc0602 | 6761 | if (drv->device_ap_sme) { |
3fd1cefb | 6762 | wpa_driver_nl80211_probe_req_report(bss, 0); |
a6cc0602 JM |
6763 | if (!drv->use_monitor) |
6764 | nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)"); | |
6765 | } else if (drv->use_monitor) | |
3fd1cefb | 6766 | nl80211_remove_monitor_interface(drv); |
a11241fa | 6767 | else |
36488c05 | 6768 | nl80211_mgmt_unsubscribe(bss, "AP teardown"); |
a11241fa | 6769 | |
3fd1cefb JB |
6770 | bss->beacon_set = 0; |
6771 | } | |
6772 | ||
6773 | ||
f10bfc9a JM |
6774 | static int nl80211_send_eapol_data(struct i802_bss *bss, |
6775 | const u8 *addr, const u8 *data, | |
d12dab4c | 6776 | size_t data_len) |
f10bfc9a | 6777 | { |
d12dab4c JB |
6778 | struct sockaddr_ll ll; |
6779 | int ret; | |
6780 | ||
6781 | if (bss->drv->eapol_tx_sock < 0) { | |
6782 | wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL"); | |
f10bfc9a JM |
6783 | return -1; |
6784 | } | |
6785 | ||
d12dab4c JB |
6786 | os_memset(&ll, 0, sizeof(ll)); |
6787 | ll.sll_family = AF_PACKET; | |
6788 | ll.sll_ifindex = bss->ifindex; | |
6789 | ll.sll_protocol = htons(ETH_P_PAE); | |
6790 | ll.sll_halen = ETH_ALEN; | |
6791 | os_memcpy(ll.sll_addr, addr, ETH_ALEN); | |
6792 | ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0, | |
6793 | (struct sockaddr *) &ll, sizeof(ll)); | |
6794 | if (ret < 0) | |
6795 | wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s", | |
6796 | strerror(errno)); | |
6797 | ||
6798 | return ret; | |
f10bfc9a | 6799 | } |
5fb1a232 | 6800 | |
f10bfc9a | 6801 | |
db149ac9 JM |
6802 | static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; |
6803 | ||
6804 | static int wpa_driver_nl80211_hapd_send_eapol( | |
6805 | void *priv, const u8 *addr, const u8 *data, | |
4378fc14 | 6806 | size_t data_len, int encrypt, const u8 *own_addr, u32 flags) |
db149ac9 | 6807 | { |
a2e40bb6 FF |
6808 | struct i802_bss *bss = priv; |
6809 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
db149ac9 JM |
6810 | struct ieee80211_hdr *hdr; |
6811 | size_t len; | |
6812 | u8 *pos; | |
6813 | int res; | |
4378fc14 | 6814 | int qos = flags & WPA_STA_WMM; |
db149ac9 | 6815 | |
a11241fa | 6816 | if (drv->device_ap_sme || !drv->use_monitor) |
d12dab4c | 6817 | return nl80211_send_eapol_data(bss, addr, data, data_len); |
f10bfc9a | 6818 | |
db149ac9 JM |
6819 | len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 + |
6820 | data_len; | |
6821 | hdr = os_zalloc(len); | |
6822 | if (hdr == NULL) { | |
6823 | printf("malloc() failed for i802_send_data(len=%lu)\n", | |
6824 | (unsigned long) len); | |
6825 | return -1; | |
6826 | } | |
6827 | ||
6828 | hdr->frame_control = | |
6829 | IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA); | |
6830 | hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS); | |
6831 | if (encrypt) | |
6832 | hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP); | |
db149ac9 JM |
6833 | if (qos) { |
6834 | hdr->frame_control |= | |
6835 | host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4); | |
6836 | } | |
db149ac9 JM |
6837 | |
6838 | memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN); | |
6839 | memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); | |
6840 | memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); | |
6841 | pos = (u8 *) (hdr + 1); | |
6842 | ||
db149ac9 | 6843 | if (qos) { |
92d521d8 FF |
6844 | /* Set highest priority in QoS header */ |
6845 | pos[0] = 7; | |
db149ac9 JM |
6846 | pos[1] = 0; |
6847 | pos += 2; | |
6848 | } | |
db149ac9 JM |
6849 | |
6850 | memcpy(pos, rfc1042_header, sizeof(rfc1042_header)); | |
6851 | pos += sizeof(rfc1042_header); | |
6852 | WPA_PUT_BE16(pos, ETH_P_PAE); | |
6853 | pos += 2; | |
6854 | memcpy(pos, data, data_len); | |
6855 | ||
55231068 JM |
6856 | res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0, |
6857 | 0, 0, 0, 0); | |
db149ac9 JM |
6858 | if (res < 0) { |
6859 | wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - " | |
6860 | "failed: %d (%s)", | |
6861 | (unsigned long) len, errno, strerror(errno)); | |
6862 | } | |
7bf12757 | 6863 | os_free(hdr); |
db149ac9 JM |
6864 | |
6865 | return res; | |
6866 | } | |
6867 | ||
a8d6ffa4 | 6868 | |
3234cba4 JM |
6869 | static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr, |
6870 | int total_flags, | |
4c32757d | 6871 | int flags_or, int flags_and) |
a8d6ffa4 | 6872 | { |
a2e40bb6 FF |
6873 | struct i802_bss *bss = priv; |
6874 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8970bae8 JB |
6875 | struct nl_msg *msg; |
6876 | struct nlattr *flags; | |
7e76ee9c | 6877 | struct nl80211_sta_flag_update upd; |
a8d6ffa4 JM |
6878 | |
6879 | msg = nlmsg_alloc(); | |
6880 | if (!msg) | |
6881 | return -ENOMEM; | |
6882 | ||
9fb04070 | 6883 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); |
a8d6ffa4 JM |
6884 | |
6885 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
3234cba4 | 6886 | if_nametoindex(bss->ifname)); |
a8d6ffa4 JM |
6887 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); |
6888 | ||
7e76ee9c JM |
6889 | /* |
6890 | * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This | |
6891 | * can be removed eventually. | |
6892 | */ | |
8970bae8 JB |
6893 | flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS); |
6894 | if (!flags) | |
6895 | goto nla_put_failure; | |
0de39516 | 6896 | if (total_flags & WPA_STA_AUTHORIZED) |
8970bae8 | 6897 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_AUTHORIZED); |
a8d6ffa4 | 6898 | |
0de39516 | 6899 | if (total_flags & WPA_STA_WMM) |
8970bae8 | 6900 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_WME); |
a8d6ffa4 | 6901 | |
0de39516 | 6902 | if (total_flags & WPA_STA_SHORT_PREAMBLE) |
8970bae8 | 6903 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_SHORT_PREAMBLE); |
a8d6ffa4 | 6904 | |
0de39516 | 6905 | if (total_flags & WPA_STA_MFP) |
8970bae8 | 6906 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_MFP); |
a8d6ffa4 | 6907 | |
45b722f1 | 6908 | if (total_flags & WPA_STA_TDLS_PEER) |
8970bae8 | 6909 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_TDLS_PEER); |
45b722f1 | 6910 | |
8970bae8 | 6911 | nla_nest_end(msg, flags); |
a8d6ffa4 | 6912 | |
7e76ee9c JM |
6913 | os_memset(&upd, 0, sizeof(upd)); |
6914 | upd.mask = sta_flags_nl80211(flags_or | ~flags_and); | |
6915 | upd.set = sta_flags_nl80211(flags_or); | |
6916 | NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd); | |
6917 | ||
a8d6ffa4 JM |
6918 | return send_and_recv_msgs(drv, msg, NULL, NULL); |
6919 | nla_put_failure: | |
5883168a | 6920 | nlmsg_free(msg); |
a8d6ffa4 JM |
6921 | return -ENOBUFS; |
6922 | } | |
6923 | ||
0915d02c | 6924 | |
1581b38b JM |
6925 | static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv, |
6926 | struct wpa_driver_associate_params *params) | |
6927 | { | |
708bc8e0 | 6928 | enum nl80211_iftype nlmode, old_mode; |
89b800d7 JB |
6929 | struct hostapd_freq_params freq = { |
6930 | .freq = params->freq, | |
6931 | }; | |
b1f625e0 EP |
6932 | |
6933 | if (params->p2p) { | |
046b26a2 JM |
6934 | wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P " |
6935 | "group (GO)"); | |
b1f625e0 EP |
6936 | nlmode = NL80211_IFTYPE_P2P_GO; |
6937 | } else | |
6938 | nlmode = NL80211_IFTYPE_AP; | |
6939 | ||
708bc8e0 JM |
6940 | old_mode = drv->nlmode; |
6941 | if (wpa_driver_nl80211_set_mode(&drv->first_bss, nlmode)) { | |
6942 | nl80211_remove_monitor_interface(drv); | |
6943 | return -1; | |
6944 | } | |
6945 | ||
89b800d7 | 6946 | if (wpa_driver_nl80211_set_freq(&drv->first_bss, &freq)) { |
708bc8e0 JM |
6947 | if (old_mode != nlmode) |
6948 | wpa_driver_nl80211_set_mode(&drv->first_bss, old_mode); | |
460456f8 | 6949 | nl80211_remove_monitor_interface(drv); |
1581b38b | 6950 | return -1; |
0915d02c | 6951 | } |
1581b38b | 6952 | |
1581b38b JM |
6953 | return 0; |
6954 | } | |
1581b38b JM |
6955 | |
6956 | ||
5cc4d64b JM |
6957 | static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv) |
6958 | { | |
6959 | struct nl_msg *msg; | |
6960 | int ret = -1; | |
6961 | ||
6962 | msg = nlmsg_alloc(); | |
6963 | if (!msg) | |
6964 | return -1; | |
6965 | ||
9fb04070 | 6966 | nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_IBSS); |
5cc4d64b JM |
6967 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
6968 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6969 | msg = NULL; | |
6970 | if (ret) { | |
6971 | wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d " | |
6972 | "(%s)", ret, strerror(-ret)); | |
6973 | goto nla_put_failure; | |
6974 | } | |
6975 | ||
6976 | ret = 0; | |
6977 | wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully"); | |
6978 | ||
6979 | nla_put_failure: | |
6980 | nlmsg_free(msg); | |
6981 | return ret; | |
6982 | } | |
6983 | ||
6984 | ||
6985 | static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv, | |
6986 | struct wpa_driver_associate_params *params) | |
6987 | { | |
6988 | struct nl_msg *msg; | |
6989 | int ret = -1; | |
6990 | int count = 0; | |
6991 | ||
6992 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex); | |
6993 | ||
b1f625e0 EP |
6994 | if (wpa_driver_nl80211_set_mode(&drv->first_bss, |
6995 | NL80211_IFTYPE_ADHOC)) { | |
5cc4d64b JM |
6996 | wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " |
6997 | "IBSS mode"); | |
6998 | return -1; | |
6999 | } | |
7000 | ||
7001 | retry: | |
7002 | msg = nlmsg_alloc(); | |
7003 | if (!msg) | |
7004 | return -1; | |
7005 | ||
9fb04070 | 7006 | nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_IBSS); |
5cc4d64b JM |
7007 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
7008 | ||
7009 | if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid)) | |
7010 | goto nla_put_failure; | |
7011 | ||
7012 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
7013 | params->ssid, params->ssid_len); | |
7014 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, | |
7015 | params->ssid); | |
7016 | os_memcpy(drv->ssid, params->ssid, params->ssid_len); | |
7017 | drv->ssid_len = params->ssid_len; | |
7018 | ||
7019 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); | |
7020 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq); | |
7021 | ||
7022 | ret = nl80211_set_conn_keys(params, msg); | |
7023 | if (ret) | |
7024 | goto nla_put_failure; | |
7025 | ||
913e3cf7 NC |
7026 | if (params->bssid && params->fixed_bssid) { |
7027 | wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR, | |
7028 | MAC2STR(params->bssid)); | |
7029 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid); | |
7030 | } | |
7031 | ||
e640888c AQ |
7032 | if (params->key_mgmt_suite == KEY_MGMT_802_1X || |
7033 | params->key_mgmt_suite == KEY_MGMT_PSK || | |
7034 | params->key_mgmt_suite == KEY_MGMT_802_1X_SHA256 || | |
7035 | params->key_mgmt_suite == KEY_MGMT_PSK_SHA256) { | |
7036 | wpa_printf(MSG_DEBUG, " * control port"); | |
7037 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT); | |
7038 | } | |
7039 | ||
a95795ad JM |
7040 | if (params->wpa_ie) { |
7041 | wpa_hexdump(MSG_DEBUG, | |
7042 | " * Extra IEs for Beacon/Probe Response frames", | |
7043 | params->wpa_ie, params->wpa_ie_len); | |
7044 | NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len, | |
7045 | params->wpa_ie); | |
7046 | } | |
7047 | ||
5cc4d64b JM |
7048 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
7049 | msg = NULL; | |
7050 | if (ret) { | |
7051 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)", | |
7052 | ret, strerror(-ret)); | |
7053 | count++; | |
7054 | if (ret == -EALREADY && count == 1) { | |
7055 | wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after " | |
7056 | "forced leave"); | |
7057 | nl80211_leave_ibss(drv); | |
7058 | nlmsg_free(msg); | |
7059 | goto retry; | |
7060 | } | |
7061 | ||
7062 | goto nla_put_failure; | |
7063 | } | |
7064 | ret = 0; | |
7065 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully"); | |
7066 | ||
7067 | nla_put_failure: | |
7068 | nlmsg_free(msg); | |
7069 | return ret; | |
7070 | } | |
7071 | ||
7072 | ||
a8c5b43a | 7073 | static int wpa_driver_nl80211_try_connect( |
cfaab580 ZY |
7074 | struct wpa_driver_nl80211_data *drv, |
7075 | struct wpa_driver_associate_params *params) | |
7076 | { | |
7077 | struct nl_msg *msg; | |
7078 | enum nl80211_auth_type type; | |
7079 | int ret = 0; | |
3f360238 | 7080 | int algs; |
cfaab580 ZY |
7081 | |
7082 | msg = nlmsg_alloc(); | |
7083 | if (!msg) | |
7084 | return -1; | |
7085 | ||
7086 | wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex); | |
9fb04070 | 7087 | nl80211_cmd(drv, msg, 0, NL80211_CMD_CONNECT); |
cfaab580 ZY |
7088 | |
7089 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
7090 | if (params->bssid) { | |
7091 | wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, | |
7092 | MAC2STR(params->bssid)); | |
7093 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid); | |
7094 | } | |
7095 | if (params->freq) { | |
7096 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); | |
7097 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq); | |
7098 | } | |
1f6c0ab8 BS |
7099 | if (params->bg_scan_period >= 0) { |
7100 | wpa_printf(MSG_DEBUG, " * bg scan period=%d", | |
7101 | params->bg_scan_period); | |
7102 | NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD, | |
7103 | params->bg_scan_period); | |
7104 | } | |
cfaab580 ZY |
7105 | if (params->ssid) { |
7106 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
7107 | params->ssid, params->ssid_len); | |
7108 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, | |
7109 | params->ssid); | |
7110 | if (params->ssid_len > sizeof(drv->ssid)) | |
7111 | goto nla_put_failure; | |
7112 | os_memcpy(drv->ssid, params->ssid, params->ssid_len); | |
7113 | drv->ssid_len = params->ssid_len; | |
7114 | } | |
7115 | wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len); | |
7116 | if (params->wpa_ie) | |
7117 | NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len, | |
7118 | params->wpa_ie); | |
7119 | ||
3f360238 JM |
7120 | algs = 0; |
7121 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) | |
7122 | algs++; | |
7123 | if (params->auth_alg & WPA_AUTH_ALG_SHARED) | |
7124 | algs++; | |
7125 | if (params->auth_alg & WPA_AUTH_ALG_LEAP) | |
7126 | algs++; | |
7127 | if (algs > 1) { | |
7128 | wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic " | |
7129 | "selection"); | |
7130 | goto skip_auth_type; | |
7131 | } | |
7132 | ||
abd9fafa | 7133 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) |
cfaab580 | 7134 | type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
abd9fafa | 7135 | else if (params->auth_alg & WPA_AUTH_ALG_SHARED) |
cfaab580 | 7136 | type = NL80211_AUTHTYPE_SHARED_KEY; |
abd9fafa | 7137 | else if (params->auth_alg & WPA_AUTH_ALG_LEAP) |
cfaab580 | 7138 | type = NL80211_AUTHTYPE_NETWORK_EAP; |
abd9fafa | 7139 | else if (params->auth_alg & WPA_AUTH_ALG_FT) |
cfaab580 ZY |
7140 | type = NL80211_AUTHTYPE_FT; |
7141 | else | |
7142 | goto nla_put_failure; | |
7143 | ||
7144 | wpa_printf(MSG_DEBUG, " * Auth Type %d", type); | |
7145 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type); | |
7146 | ||
3f360238 | 7147 | skip_auth_type: |
64fa840a JM |
7148 | if (params->wpa_proto) { |
7149 | enum nl80211_wpa_versions ver = 0; | |
cfaab580 | 7150 | |
64fa840a JM |
7151 | if (params->wpa_proto & WPA_PROTO_WPA) |
7152 | ver |= NL80211_WPA_VERSION_1; | |
7153 | if (params->wpa_proto & WPA_PROTO_RSN) | |
7154 | ver |= NL80211_WPA_VERSION_2; | |
cfaab580 | 7155 | |
64fa840a | 7156 | wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver); |
cfaab580 ZY |
7157 | NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver); |
7158 | } | |
7159 | ||
7160 | if (params->pairwise_suite != CIPHER_NONE) { | |
c1bb3e0a | 7161 | int cipher; |
cfaab580 ZY |
7162 | |
7163 | switch (params->pairwise_suite) { | |
369c8d7b JM |
7164 | case CIPHER_SMS4: |
7165 | cipher = WLAN_CIPHER_SUITE_SMS4; | |
7166 | break; | |
cfaab580 ZY |
7167 | case CIPHER_WEP40: |
7168 | cipher = WLAN_CIPHER_SUITE_WEP40; | |
7169 | break; | |
7170 | case CIPHER_WEP104: | |
7171 | cipher = WLAN_CIPHER_SUITE_WEP104; | |
7172 | break; | |
7173 | case CIPHER_CCMP: | |
7174 | cipher = WLAN_CIPHER_SUITE_CCMP; | |
7175 | break; | |
eb7719ff JM |
7176 | case CIPHER_GCMP: |
7177 | cipher = WLAN_CIPHER_SUITE_GCMP; | |
7178 | break; | |
cfaab580 ZY |
7179 | case CIPHER_TKIP: |
7180 | default: | |
7181 | cipher = WLAN_CIPHER_SUITE_TKIP; | |
7182 | break; | |
7183 | } | |
7184 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher); | |
7185 | } | |
7186 | ||
7187 | if (params->group_suite != CIPHER_NONE) { | |
c1bb3e0a | 7188 | int cipher; |
cfaab580 ZY |
7189 | |
7190 | switch (params->group_suite) { | |
369c8d7b JM |
7191 | case CIPHER_SMS4: |
7192 | cipher = WLAN_CIPHER_SUITE_SMS4; | |
7193 | break; | |
cfaab580 ZY |
7194 | case CIPHER_WEP40: |
7195 | cipher = WLAN_CIPHER_SUITE_WEP40; | |
7196 | break; | |
7197 | case CIPHER_WEP104: | |
7198 | cipher = WLAN_CIPHER_SUITE_WEP104; | |
7199 | break; | |
7200 | case CIPHER_CCMP: | |
7201 | cipher = WLAN_CIPHER_SUITE_CCMP; | |
7202 | break; | |
eb7719ff JM |
7203 | case CIPHER_GCMP: |
7204 | cipher = WLAN_CIPHER_SUITE_GCMP; | |
7205 | break; | |
cfaab580 ZY |
7206 | case CIPHER_TKIP: |
7207 | default: | |
7208 | cipher = WLAN_CIPHER_SUITE_TKIP; | |
7209 | break; | |
7210 | } | |
7211 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher); | |
7212 | } | |
7213 | ||
7214 | if (params->key_mgmt_suite == KEY_MGMT_802_1X || | |
369c8d7b | 7215 | params->key_mgmt_suite == KEY_MGMT_PSK || |
6a1ce395 DG |
7216 | params->key_mgmt_suite == KEY_MGMT_FT_802_1X || |
7217 | params->key_mgmt_suite == KEY_MGMT_FT_PSK || | |
369c8d7b | 7218 | params->key_mgmt_suite == KEY_MGMT_CCKM) { |
cfaab580 ZY |
7219 | int mgmt = WLAN_AKM_SUITE_PSK; |
7220 | ||
7221 | switch (params->key_mgmt_suite) { | |
369c8d7b JM |
7222 | case KEY_MGMT_CCKM: |
7223 | mgmt = WLAN_AKM_SUITE_CCKM; | |
7224 | break; | |
cfaab580 ZY |
7225 | case KEY_MGMT_802_1X: |
7226 | mgmt = WLAN_AKM_SUITE_8021X; | |
7227 | break; | |
6a1ce395 DG |
7228 | case KEY_MGMT_FT_802_1X: |
7229 | mgmt = WLAN_AKM_SUITE_FT_8021X; | |
7230 | break; | |
7231 | case KEY_MGMT_FT_PSK: | |
7232 | mgmt = WLAN_AKM_SUITE_FT_PSK; | |
7233 | break; | |
cfaab580 ZY |
7234 | case KEY_MGMT_PSK: |
7235 | default: | |
7236 | mgmt = WLAN_AKM_SUITE_PSK; | |
7237 | break; | |
7238 | } | |
7239 | NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt); | |
7240 | } | |
7241 | ||
8b706a99 JM |
7242 | #ifdef CONFIG_IEEE80211W |
7243 | if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED) | |
7244 | NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED); | |
7245 | #endif /* CONFIG_IEEE80211W */ | |
7246 | ||
80e8a5ee BG |
7247 | if (params->disable_ht) |
7248 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT); | |
7249 | ||
7250 | if (params->htcaps && params->htcaps_mask) { | |
7251 | int sz = sizeof(struct ieee80211_ht_capabilities); | |
7252 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps); | |
7253 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz, | |
7254 | params->htcaps_mask); | |
7255 | } | |
7256 | ||
e9ee8dc3 JB |
7257 | #ifdef CONFIG_VHT_OVERRIDES |
7258 | if (params->disable_vht) { | |
7259 | wpa_printf(MSG_DEBUG, " * VHT disabled"); | |
7260 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT); | |
7261 | } | |
7262 | ||
7263 | if (params->vhtcaps && params->vhtcaps_mask) { | |
7264 | int sz = sizeof(struct ieee80211_vht_capabilities); | |
7265 | NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps); | |
7266 | NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz, | |
7267 | params->vhtcaps_mask); | |
7268 | } | |
7269 | #endif /* CONFIG_VHT_OVERRIDES */ | |
7270 | ||
cfaab580 ZY |
7271 | ret = nl80211_set_conn_keys(params, msg); |
7272 | if (ret) | |
7273 | goto nla_put_failure; | |
7274 | ||
7275 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7276 | msg = NULL; | |
7277 | if (ret) { | |
7278 | wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d " | |
7279 | "(%s)", ret, strerror(-ret)); | |
7280 | goto nla_put_failure; | |
7281 | } | |
7282 | ret = 0; | |
7283 | wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully"); | |
7284 | ||
7285 | nla_put_failure: | |
7286 | nlmsg_free(msg); | |
7287 | return ret; | |
7288 | ||
7289 | } | |
7290 | ||
7291 | ||
a8c5b43a CW |
7292 | static int wpa_driver_nl80211_connect( |
7293 | struct wpa_driver_nl80211_data *drv, | |
7294 | struct wpa_driver_associate_params *params) | |
7295 | { | |
7296 | int ret = wpa_driver_nl80211_try_connect(drv, params); | |
7297 | if (ret == -EALREADY) { | |
7298 | /* | |
7299 | * cfg80211 does not currently accept new connections if | |
7300 | * we are already connected. As a workaround, force | |
7301 | * disconnection and try again. | |
7302 | */ | |
7303 | wpa_printf(MSG_DEBUG, "nl80211: Explicitly " | |
7304 | "disconnecting before reassociation " | |
7305 | "attempt"); | |
7306 | if (wpa_driver_nl80211_disconnect( | |
7307 | drv, WLAN_REASON_PREV_AUTH_NOT_VALID)) | |
7308 | return -1; | |
7309 | /* Ignore the next local disconnect message. */ | |
7310 | drv->ignore_next_local_disconnect = 1; | |
7311 | ret = wpa_driver_nl80211_try_connect(drv, params); | |
7312 | } | |
7313 | return ret; | |
7314 | } | |
7315 | ||
7316 | ||
c2a04078 JM |
7317 | static int wpa_driver_nl80211_associate( |
7318 | void *priv, struct wpa_driver_associate_params *params) | |
7319 | { | |
a2e40bb6 FF |
7320 | struct i802_bss *bss = priv; |
7321 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
c2a04078 JM |
7322 | int ret = -1; |
7323 | struct nl_msg *msg; | |
7324 | ||
5cc4d64b | 7325 | if (params->mode == IEEE80211_MODE_AP) |
1581b38b | 7326 | return wpa_driver_nl80211_ap(drv, params); |
1581b38b | 7327 | |
5cc4d64b JM |
7328 | if (params->mode == IEEE80211_MODE_IBSS) |
7329 | return wpa_driver_nl80211_ibss(drv, params); | |
7330 | ||
4a867032 | 7331 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) { |
b1f625e0 EP |
7332 | enum nl80211_iftype nlmode = params->p2p ? |
7333 | NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; | |
7334 | ||
7335 | if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0) | |
4a867032 | 7336 | return -1; |
cfaab580 | 7337 | return wpa_driver_nl80211_connect(drv, params); |
4a867032 | 7338 | } |
cfaab580 | 7339 | |
c2a04078 JM |
7340 | drv->associated = 0; |
7341 | ||
7342 | msg = nlmsg_alloc(); | |
7343 | if (!msg) | |
7344 | return -1; | |
7345 | ||
7346 | wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)", | |
7347 | drv->ifindex); | |
9fb04070 | 7348 | nl80211_cmd(drv, msg, 0, NL80211_CMD_ASSOCIATE); |
c2a04078 JM |
7349 | |
7350 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
7351 | if (params->bssid) { | |
7352 | wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, | |
7353 | MAC2STR(params->bssid)); | |
7354 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid); | |
7355 | } | |
7356 | if (params->freq) { | |
7357 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); | |
7358 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq); | |
4832ecd7 JM |
7359 | drv->assoc_freq = params->freq; |
7360 | } else | |
7361 | drv->assoc_freq = 0; | |
1f6c0ab8 BS |
7362 | if (params->bg_scan_period >= 0) { |
7363 | wpa_printf(MSG_DEBUG, " * bg scan period=%d", | |
7364 | params->bg_scan_period); | |
7365 | NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD, | |
7366 | params->bg_scan_period); | |
7367 | } | |
c2a04078 JM |
7368 | if (params->ssid) { |
7369 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
7370 | params->ssid, params->ssid_len); | |
7371 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, | |
7372 | params->ssid); | |
fd05d64e JM |
7373 | if (params->ssid_len > sizeof(drv->ssid)) |
7374 | goto nla_put_failure; | |
7375 | os_memcpy(drv->ssid, params->ssid, params->ssid_len); | |
7376 | drv->ssid_len = params->ssid_len; | |
c2a04078 JM |
7377 | } |
7378 | wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len); | |
7379 | if (params->wpa_ie) | |
7380 | NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len, | |
7381 | params->wpa_ie); | |
7382 | ||
aca01605 JM |
7383 | if (params->pairwise_suite != CIPHER_NONE) { |
7384 | int cipher; | |
7385 | ||
7386 | switch (params->pairwise_suite) { | |
7387 | case CIPHER_WEP40: | |
7388 | cipher = WLAN_CIPHER_SUITE_WEP40; | |
7389 | break; | |
7390 | case CIPHER_WEP104: | |
7391 | cipher = WLAN_CIPHER_SUITE_WEP104; | |
7392 | break; | |
7393 | case CIPHER_CCMP: | |
7394 | cipher = WLAN_CIPHER_SUITE_CCMP; | |
7395 | break; | |
eb7719ff JM |
7396 | case CIPHER_GCMP: |
7397 | cipher = WLAN_CIPHER_SUITE_GCMP; | |
7398 | break; | |
aca01605 JM |
7399 | case CIPHER_TKIP: |
7400 | default: | |
7401 | cipher = WLAN_CIPHER_SUITE_TKIP; | |
7402 | break; | |
7403 | } | |
79c3124c | 7404 | wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher); |
aca01605 JM |
7405 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher); |
7406 | } | |
7407 | ||
7408 | if (params->group_suite != CIPHER_NONE) { | |
7409 | int cipher; | |
7410 | ||
7411 | switch (params->group_suite) { | |
7412 | case CIPHER_WEP40: | |
7413 | cipher = WLAN_CIPHER_SUITE_WEP40; | |
7414 | break; | |
7415 | case CIPHER_WEP104: | |
7416 | cipher = WLAN_CIPHER_SUITE_WEP104; | |
7417 | break; | |
7418 | case CIPHER_CCMP: | |
7419 | cipher = WLAN_CIPHER_SUITE_CCMP; | |
7420 | break; | |
eb7719ff JM |
7421 | case CIPHER_GCMP: |
7422 | cipher = WLAN_CIPHER_SUITE_GCMP; | |
7423 | break; | |
aca01605 JM |
7424 | case CIPHER_TKIP: |
7425 | default: | |
7426 | cipher = WLAN_CIPHER_SUITE_TKIP; | |
7427 | break; | |
7428 | } | |
79c3124c | 7429 | wpa_printf(MSG_DEBUG, " * group=0x%x", cipher); |
aca01605 JM |
7430 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher); |
7431 | } | |
7432 | ||
e572fa33 JM |
7433 | #ifdef CONFIG_IEEE80211W |
7434 | if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED) | |
7435 | NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED); | |
7436 | #endif /* CONFIG_IEEE80211W */ | |
7437 | ||
01652550 JM |
7438 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT); |
7439 | ||
62fa124c JM |
7440 | if (params->prev_bssid) { |
7441 | wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR, | |
7442 | MAC2STR(params->prev_bssid)); | |
7443 | NLA_PUT(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN, | |
7444 | params->prev_bssid); | |
7445 | } | |
7446 | ||
80e8a5ee BG |
7447 | if (params->disable_ht) |
7448 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT); | |
7449 | ||
7450 | if (params->htcaps && params->htcaps_mask) { | |
7451 | int sz = sizeof(struct ieee80211_ht_capabilities); | |
7452 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps); | |
7453 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz, | |
7454 | params->htcaps_mask); | |
7455 | } | |
7456 | ||
e9ee8dc3 JB |
7457 | #ifdef CONFIG_VHT_OVERRIDES |
7458 | if (params->disable_vht) { | |
7459 | wpa_printf(MSG_DEBUG, " * VHT disabled"); | |
7460 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT); | |
7461 | } | |
7462 | ||
7463 | if (params->vhtcaps && params->vhtcaps_mask) { | |
7464 | int sz = sizeof(struct ieee80211_vht_capabilities); | |
7465 | NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps); | |
7466 | NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz, | |
7467 | params->vhtcaps_mask); | |
7468 | } | |
7469 | #endif /* CONFIG_VHT_OVERRIDES */ | |
7470 | ||
046b26a2 JM |
7471 | if (params->p2p) |
7472 | wpa_printf(MSG_DEBUG, " * P2P group"); | |
7473 | ||
c2a04078 JM |
7474 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
7475 | msg = NULL; | |
7476 | if (ret) { | |
3b7ea880 BG |
7477 | wpa_dbg(drv->ctx, MSG_DEBUG, |
7478 | "nl80211: MLME command failed (assoc): ret=%d (%s)", | |
7479 | ret, strerror(-ret)); | |
8856462d | 7480 | nl80211_dump_scan(drv); |
c2a04078 JM |
7481 | goto nla_put_failure; |
7482 | } | |
7483 | ret = 0; | |
7484 | wpa_printf(MSG_DEBUG, "nl80211: Association request send " | |
7485 | "successfully"); | |
7486 | ||
7487 | nla_put_failure: | |
7488 | nlmsg_free(msg); | |
7489 | return ret; | |
7490 | } | |
3f5285e8 JM |
7491 | |
7492 | ||
ad1e68e6 | 7493 | static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv, |
a1922f93 | 7494 | int ifindex, enum nl80211_iftype mode) |
3f5285e8 | 7495 | { |
3f5285e8 | 7496 | struct nl_msg *msg; |
ad1e68e6 JM |
7497 | int ret = -ENOBUFS; |
7498 | ||
a1922f93 JM |
7499 | wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)", |
7500 | ifindex, mode, nl80211_iftype_str(mode)); | |
7501 | ||
ad1e68e6 JM |
7502 | msg = nlmsg_alloc(); |
7503 | if (!msg) | |
7504 | return -ENOMEM; | |
7505 | ||
9fb04070 | 7506 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE); |
ad1e68e6 JM |
7507 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); |
7508 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode); | |
7509 | ||
7510 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5883168a | 7511 | msg = NULL; |
ad1e68e6 JM |
7512 | if (!ret) |
7513 | return 0; | |
7514 | nla_put_failure: | |
5883168a | 7515 | nlmsg_free(msg); |
ad1e68e6 JM |
7516 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:" |
7517 | " %d (%s)", ifindex, mode, ret, strerror(-ret)); | |
7518 | return ret; | |
7519 | } | |
7520 | ||
7521 | ||
b1f625e0 EP |
7522 | static int wpa_driver_nl80211_set_mode(struct i802_bss *bss, |
7523 | enum nl80211_iftype nlmode) | |
ad1e68e6 | 7524 | { |
a2e40bb6 | 7525 | struct wpa_driver_nl80211_data *drv = bss->drv; |
ad1e68e6 | 7526 | int ret = -1; |
26af9dca | 7527 | int i; |
86957e62 | 7528 | int was_ap = is_ap_interface(drv->nlmode); |
671a5039 | 7529 | int res; |
1581b38b | 7530 | |
671a5039 JM |
7531 | res = nl80211_set_mode(drv, drv->ifindex, nlmode); |
7532 | if (res == 0) { | |
ad1e68e6 | 7533 | drv->nlmode = nlmode; |
460456f8 JM |
7534 | ret = 0; |
7535 | goto done; | |
ad1e68e6 | 7536 | } |
3f5285e8 | 7537 | |
671a5039 JM |
7538 | if (res == -ENODEV) |
7539 | return -1; | |
7540 | ||
460456f8 | 7541 | if (nlmode == drv->nlmode) { |
c6e8e8e4 JM |
7542 | wpa_printf(MSG_DEBUG, "nl80211: Interface already in " |
7543 | "requested mode - ignore error"); | |
460456f8 JM |
7544 | ret = 0; |
7545 | goto done; /* Already in the requested mode */ | |
7546 | } | |
3f5285e8 | 7547 | |
3f5285e8 JM |
7548 | /* mac80211 doesn't allow mode changes while the device is up, so |
7549 | * take the device down, try to set the mode again, and bring the | |
7550 | * device back up. | |
7551 | */ | |
26af9dca JM |
7552 | wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting " |
7553 | "interface down"); | |
7554 | for (i = 0; i < 10; i++) { | |
c81eff1a BG |
7555 | res = linux_set_iface_flags(drv->global->ioctl_sock, |
7556 | bss->ifname, 0); | |
6e8183d7 JM |
7557 | if (res == -EACCES || res == -ENODEV) |
7558 | break; | |
7559 | if (res == 0) { | |
26af9dca JM |
7560 | /* Try to set the mode again while the interface is |
7561 | * down */ | |
7562 | ret = nl80211_set_mode(drv, drv->ifindex, nlmode); | |
6e8183d7 JM |
7563 | if (ret == -EACCES) |
7564 | break; | |
c81eff1a | 7565 | res = linux_set_iface_flags(drv->global->ioctl_sock, |
6e8183d7 JM |
7566 | bss->ifname, 1); |
7567 | if (res && !ret) | |
26af9dca | 7568 | ret = -1; |
6e8183d7 | 7569 | else if (ret != -EBUSY) |
26af9dca JM |
7570 | break; |
7571 | } else | |
7572 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set " | |
7573 | "interface down"); | |
7574 | os_sleep(0, 100000); | |
3f5285e8 JM |
7575 | } |
7576 | ||
c6e8e8e4 JM |
7577 | if (!ret) { |
7578 | wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while " | |
7579 | "interface is down"); | |
ad1e68e6 | 7580 | drv->nlmode = nlmode; |
7d9c3698 | 7581 | drv->ignore_if_down_event = 1; |
c6e8e8e4 | 7582 | } |
ad1e68e6 | 7583 | |
460456f8 | 7584 | done: |
3fd1cefb JB |
7585 | if (ret) { |
7586 | wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d " | |
7587 | "from %d failed", nlmode, drv->nlmode); | |
7588 | return ret; | |
7589 | } | |
7590 | ||
edb9bfba RM |
7591 | if (is_p2p_interface(nlmode)) |
7592 | nl80211_disable_11b_rates(drv, drv->ifindex, 1); | |
1d0c6fb1 JM |
7593 | else if (drv->disabled_11b_rates) |
7594 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); | |
edb9bfba | 7595 | |
3fd1cefb | 7596 | if (is_ap_interface(nlmode)) { |
36488c05 | 7597 | nl80211_mgmt_unsubscribe(bss, "start AP"); |
460456f8 | 7598 | /* Setup additional AP mode functionality if needed */ |
3fd1cefb | 7599 | if (nl80211_setup_ap(bss)) |
460456f8 | 7600 | return -1; |
3fd1cefb | 7601 | } else if (was_ap) { |
460456f8 | 7602 | /* Remove additional AP mode functionality */ |
3fd1cefb | 7603 | nl80211_teardown_ap(bss); |
a11241fa | 7604 | } else { |
36488c05 | 7605 | nl80211_mgmt_unsubscribe(bss, "mode change"); |
460456f8 | 7606 | } |
460456f8 | 7607 | |
873d0fcf | 7608 | if (!bss->in_deinit && !is_ap_interface(nlmode) && |
a11241fa JB |
7609 | nl80211_mgmt_subscribe_non_ap(bss) < 0) |
7610 | wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action " | |
7611 | "frame processing - ignore for now"); | |
08359050 | 7612 | |
3fd1cefb | 7613 | return 0; |
3f5285e8 JM |
7614 | } |
7615 | ||
7616 | ||
3f5285e8 JM |
7617 | static int wpa_driver_nl80211_get_capa(void *priv, |
7618 | struct wpa_driver_capa *capa) | |
7619 | { | |
a2e40bb6 FF |
7620 | struct i802_bss *bss = priv; |
7621 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3f5285e8 JM |
7622 | if (!drv->has_capability) |
7623 | return -1; | |
7624 | os_memcpy(capa, &drv->capa, sizeof(*capa)); | |
8cd6b7bc JB |
7625 | if (drv->extended_capa && drv->extended_capa_mask) { |
7626 | capa->extended_capa = drv->extended_capa; | |
7627 | capa->extended_capa_mask = drv->extended_capa_mask; | |
7628 | capa->extended_capa_len = drv->extended_capa_len; | |
7629 | } | |
3f5285e8 JM |
7630 | return 0; |
7631 | } | |
7632 | ||
7633 | ||
7634 | static int wpa_driver_nl80211_set_operstate(void *priv, int state) | |
7635 | { | |
a2e40bb6 FF |
7636 | struct i802_bss *bss = priv; |
7637 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3f5285e8 JM |
7638 | |
7639 | wpa_printf(MSG_DEBUG, "%s: operstate %d->%d (%s)", | |
7640 | __func__, drv->operstate, state, state ? "UP" : "DORMANT"); | |
7641 | drv->operstate = state; | |
36d84860 | 7642 | return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1, |
e2d02c29 | 7643 | state ? IF_OPER_UP : IF_OPER_DORMANT); |
3f5285e8 JM |
7644 | } |
7645 | ||
01652550 JM |
7646 | |
7647 | static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized) | |
7648 | { | |
a2e40bb6 FF |
7649 | struct i802_bss *bss = priv; |
7650 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
01652550 JM |
7651 | struct nl_msg *msg; |
7652 | struct nl80211_sta_flag_update upd; | |
7653 | ||
7654 | msg = nlmsg_alloc(); | |
7655 | if (!msg) | |
7656 | return -ENOMEM; | |
7657 | ||
9fb04070 | 7658 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); |
01652550 JM |
7659 | |
7660 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
a2e40bb6 | 7661 | if_nametoindex(bss->ifname)); |
01652550 JM |
7662 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid); |
7663 | ||
7664 | os_memset(&upd, 0, sizeof(upd)); | |
7665 | upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED); | |
7666 | if (authorized) | |
7667 | upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED); | |
7668 | NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd); | |
7669 | ||
7670 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
7671 | nla_put_failure: | |
5883168a | 7672 | nlmsg_free(msg); |
01652550 JM |
7673 | return -ENOBUFS; |
7674 | } | |
7675 | ||
3f5285e8 | 7676 | |
f07ead6a JM |
7677 | /* Set kernel driver on given frequency (MHz) */ |
7678 | static int i802_set_freq(void *priv, struct hostapd_freq_params *freq) | |
c5121837 | 7679 | { |
f07ead6a | 7680 | struct i802_bss *bss = priv; |
89b800d7 | 7681 | return wpa_driver_nl80211_set_freq(bss, freq); |
c5121837 JM |
7682 | } |
7683 | ||
f7b3920c JM |
7684 | |
7685 | #if defined(HOSTAPD) || defined(CONFIG_AP) | |
c5121837 | 7686 | |
c5121837 JM |
7687 | static inline int min_int(int a, int b) |
7688 | { | |
7689 | if (a < b) | |
7690 | return a; | |
7691 | return b; | |
7692 | } | |
7693 | ||
7694 | ||
7695 | static int get_key_handler(struct nl_msg *msg, void *arg) | |
7696 | { | |
7697 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
7698 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
7699 | ||
7700 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
7701 | genlmsg_attrlen(gnlh, 0), NULL); | |
7702 | ||
7703 | /* | |
7704 | * TODO: validate the key index and mac address! | |
7705 | * Otherwise, there's a race condition as soon as | |
7706 | * the kernel starts sending key notifications. | |
7707 | */ | |
7708 | ||
7709 | if (tb[NL80211_ATTR_KEY_SEQ]) | |
7710 | memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]), | |
7711 | min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6)); | |
7712 | return NL_SKIP; | |
7713 | } | |
7714 | ||
7715 | ||
7716 | static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr, | |
7717 | int idx, u8 *seq) | |
7718 | { | |
a2e40bb6 FF |
7719 | struct i802_bss *bss = priv; |
7720 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
c5121837 JM |
7721 | struct nl_msg *msg; |
7722 | ||
7723 | msg = nlmsg_alloc(); | |
7724 | if (!msg) | |
7725 | return -ENOMEM; | |
7726 | ||
9fb04070 | 7727 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_KEY); |
c5121837 JM |
7728 | |
7729 | if (addr) | |
7730 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
7731 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx); | |
7732 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface)); | |
7733 | ||
7734 | memset(seq, 0, 6); | |
7735 | ||
7736 | return send_and_recv_msgs(drv, msg, get_key_handler, seq); | |
7737 | nla_put_failure: | |
9e088e74 | 7738 | nlmsg_free(msg); |
c5121837 JM |
7739 | return -ENOBUFS; |
7740 | } | |
7741 | ||
7742 | ||
c5121837 JM |
7743 | static int i802_set_rts(void *priv, int rts) |
7744 | { | |
a2e40bb6 FF |
7745 | struct i802_bss *bss = priv; |
7746 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
ad649451 JM |
7747 | struct nl_msg *msg; |
7748 | int ret = -ENOBUFS; | |
7749 | u32 val; | |
c5121837 | 7750 | |
ad649451 JM |
7751 | msg = nlmsg_alloc(); |
7752 | if (!msg) | |
7753 | return -ENOMEM; | |
c5121837 | 7754 | |
ad649451 JM |
7755 | if (rts >= 2347) |
7756 | val = (u32) -1; | |
7757 | else | |
7758 | val = rts; | |
c5121837 | 7759 | |
9fb04070 | 7760 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); |
ad649451 JM |
7761 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
7762 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val); | |
7763 | ||
7764 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5883168a | 7765 | msg = NULL; |
ad649451 JM |
7766 | if (!ret) |
7767 | return 0; | |
7768 | nla_put_failure: | |
5883168a | 7769 | nlmsg_free(msg); |
ad649451 JM |
7770 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: " |
7771 | "%d (%s)", rts, ret, strerror(-ret)); | |
7772 | return ret; | |
c5121837 JM |
7773 | } |
7774 | ||
7775 | ||
7776 | static int i802_set_frag(void *priv, int frag) | |
7777 | { | |
a2e40bb6 FF |
7778 | struct i802_bss *bss = priv; |
7779 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
ad649451 JM |
7780 | struct nl_msg *msg; |
7781 | int ret = -ENOBUFS; | |
7782 | u32 val; | |
c5121837 | 7783 | |
ad649451 JM |
7784 | msg = nlmsg_alloc(); |
7785 | if (!msg) | |
7786 | return -ENOMEM; | |
c5121837 | 7787 | |
ad649451 JM |
7788 | if (frag >= 2346) |
7789 | val = (u32) -1; | |
7790 | else | |
7791 | val = frag; | |
c5121837 | 7792 | |
9fb04070 | 7793 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); |
ad649451 JM |
7794 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
7795 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val); | |
7796 | ||
7797 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5883168a | 7798 | msg = NULL; |
ad649451 JM |
7799 | if (!ret) |
7800 | return 0; | |
7801 | nla_put_failure: | |
5883168a | 7802 | nlmsg_free(msg); |
ad649451 JM |
7803 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold " |
7804 | "%d: %d (%s)", frag, ret, strerror(-ret)); | |
7805 | return ret; | |
c5121837 JM |
7806 | } |
7807 | ||
7808 | ||
c5121837 JM |
7809 | static int i802_flush(void *priv) |
7810 | { | |
a2e40bb6 FF |
7811 | struct i802_bss *bss = priv; |
7812 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
c5121837 | 7813 | struct nl_msg *msg; |
82554b10 | 7814 | int res; |
c5121837 JM |
7815 | |
7816 | msg = nlmsg_alloc(); | |
7817 | if (!msg) | |
7818 | return -1; | |
7819 | ||
9fb04070 | 7820 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION); |
c5121837 JM |
7821 | |
7822 | /* | |
7823 | * XXX: FIX! this needs to flush all VLANs too | |
7824 | */ | |
7825 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
a2e40bb6 | 7826 | if_nametoindex(bss->ifname)); |
c5121837 | 7827 | |
82554b10 JM |
7828 | res = send_and_recv_msgs(drv, msg, NULL, NULL); |
7829 | if (res) { | |
7830 | wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d " | |
7831 | "(%s)", res, strerror(-res)); | |
7832 | } | |
7833 | return res; | |
c5121837 | 7834 | nla_put_failure: |
9e088e74 | 7835 | nlmsg_free(msg); |
c5121837 JM |
7836 | return -ENOBUFS; |
7837 | } | |
7838 | ||
d732463c JM |
7839 | #endif /* HOSTAPD || CONFIG_AP */ |
7840 | ||
c5121837 JM |
7841 | |
7842 | static int get_sta_handler(struct nl_msg *msg, void *arg) | |
7843 | { | |
7844 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
7845 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
7846 | struct hostap_sta_driver_data *data = arg; | |
7847 | struct nlattr *stats[NL80211_STA_INFO_MAX + 1]; | |
7848 | static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = { | |
7849 | [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 }, | |
7850 | [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 }, | |
7851 | [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 }, | |
7852 | [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 }, | |
7853 | [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 }, | |
dc7785f8 | 7854 | [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 }, |
c5121837 JM |
7855 | }; |
7856 | ||
7857 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
7858 | genlmsg_attrlen(gnlh, 0), NULL); | |
7859 | ||
7860 | /* | |
7861 | * TODO: validate the interface and mac address! | |
7862 | * Otherwise, there's a race condition as soon as | |
7863 | * the kernel starts sending station notifications. | |
7864 | */ | |
7865 | ||
7866 | if (!tb[NL80211_ATTR_STA_INFO]) { | |
7867 | wpa_printf(MSG_DEBUG, "sta stats missing!"); | |
7868 | return NL_SKIP; | |
7869 | } | |
7870 | if (nla_parse_nested(stats, NL80211_STA_INFO_MAX, | |
7871 | tb[NL80211_ATTR_STA_INFO], | |
7872 | stats_policy)) { | |
7873 | wpa_printf(MSG_DEBUG, "failed to parse nested attributes!"); | |
7874 | return NL_SKIP; | |
7875 | } | |
7876 | ||
7877 | if (stats[NL80211_STA_INFO_INACTIVE_TIME]) | |
7878 | data->inactive_msec = | |
7879 | nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]); | |
7880 | if (stats[NL80211_STA_INFO_RX_BYTES]) | |
7881 | data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]); | |
7882 | if (stats[NL80211_STA_INFO_TX_BYTES]) | |
7883 | data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]); | |
7884 | if (stats[NL80211_STA_INFO_RX_PACKETS]) | |
7885 | data->rx_packets = | |
7886 | nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]); | |
7887 | if (stats[NL80211_STA_INFO_TX_PACKETS]) | |
7888 | data->tx_packets = | |
7889 | nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]); | |
dc7785f8 YZ |
7890 | if (stats[NL80211_STA_INFO_TX_FAILED]) |
7891 | data->tx_retry_failed = | |
7892 | nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]); | |
c5121837 JM |
7893 | |
7894 | return NL_SKIP; | |
7895 | } | |
7896 | ||
9ebce9c5 JM |
7897 | static int i802_read_sta_data(struct i802_bss *bss, |
7898 | struct hostap_sta_driver_data *data, | |
c5121837 JM |
7899 | const u8 *addr) |
7900 | { | |
a2e40bb6 | 7901 | struct wpa_driver_nl80211_data *drv = bss->drv; |
c5121837 JM |
7902 | struct nl_msg *msg; |
7903 | ||
7904 | os_memset(data, 0, sizeof(*data)); | |
7905 | msg = nlmsg_alloc(); | |
7906 | if (!msg) | |
7907 | return -ENOMEM; | |
7908 | ||
9fb04070 | 7909 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION); |
c5121837 JM |
7910 | |
7911 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
a2e40bb6 | 7912 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); |
c5121837 JM |
7913 | |
7914 | return send_and_recv_msgs(drv, msg, get_sta_handler, data); | |
7915 | nla_put_failure: | |
9e088e74 | 7916 | nlmsg_free(msg); |
c5121837 JM |
7917 | return -ENOBUFS; |
7918 | } | |
7919 | ||
7920 | ||
d732463c JM |
7921 | #if defined(HOSTAPD) || defined(CONFIG_AP) |
7922 | ||
c5121837 JM |
7923 | static int i802_set_tx_queue_params(void *priv, int queue, int aifs, |
7924 | int cw_min, int cw_max, int burst_time) | |
7925 | { | |
a2e40bb6 FF |
7926 | struct i802_bss *bss = priv; |
7927 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
c5121837 JM |
7928 | struct nl_msg *msg; |
7929 | struct nlattr *txq, *params; | |
7930 | ||
7931 | msg = nlmsg_alloc(); | |
7932 | if (!msg) | |
7933 | return -1; | |
7934 | ||
9fb04070 | 7935 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); |
c5121837 | 7936 | |
a2e40bb6 | 7937 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); |
c5121837 JM |
7938 | |
7939 | txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS); | |
7940 | if (!txq) | |
7941 | goto nla_put_failure; | |
7942 | ||
7943 | /* We are only sending parameters for a single TXQ at a time */ | |
7944 | params = nla_nest_start(msg, 1); | |
7945 | if (!params) | |
7946 | goto nla_put_failure; | |
7947 | ||
7e3c1781 JM |
7948 | switch (queue) { |
7949 | case 0: | |
7950 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO); | |
7951 | break; | |
7952 | case 1: | |
7953 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI); | |
7954 | break; | |
7955 | case 2: | |
7956 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE); | |
7957 | break; | |
7958 | case 3: | |
7959 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK); | |
7960 | break; | |
7961 | } | |
c5121837 JM |
7962 | /* Burst time is configured in units of 0.1 msec and TXOP parameter in |
7963 | * 32 usec, so need to convert the value here. */ | |
7964 | NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32); | |
7965 | NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min); | |
7966 | NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max); | |
7967 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs); | |
7968 | ||
7969 | nla_nest_end(msg, params); | |
7970 | ||
7971 | nla_nest_end(msg, txq); | |
7972 | ||
7973 | if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) | |
7974 | return 0; | |
9e088e74 | 7975 | msg = NULL; |
c5121837 | 7976 | nla_put_failure: |
9e088e74 | 7977 | nlmsg_free(msg); |
c5121837 JM |
7978 | return -1; |
7979 | } | |
7980 | ||
7981 | ||
9ebce9c5 | 7982 | static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr, |
c5121837 JM |
7983 | const char *ifname, int vlan_id) |
7984 | { | |
a2e40bb6 | 7985 | struct wpa_driver_nl80211_data *drv = bss->drv; |
c5121837 | 7986 | struct nl_msg *msg; |
cd1d72c1 | 7987 | int ret = -ENOBUFS; |
c5121837 JM |
7988 | |
7989 | msg = nlmsg_alloc(); | |
7990 | if (!msg) | |
7991 | return -ENOMEM; | |
7992 | ||
9fb04070 | 7993 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); |
c5121837 JM |
7994 | |
7995 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
a2e40bb6 | 7996 | if_nametoindex(bss->ifname)); |
c5121837 | 7997 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); |
1c766b09 | 7998 | NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN, |
c5121837 JM |
7999 | if_nametoindex(ifname)); |
8000 | ||
cd1d72c1 | 8001 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
9e088e74 | 8002 | msg = NULL; |
cd1d72c1 JM |
8003 | if (ret < 0) { |
8004 | wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr=" | |
8005 | MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)", | |
8006 | MAC2STR(addr), ifname, vlan_id, ret, | |
8007 | strerror(-ret)); | |
8008 | } | |
c5121837 | 8009 | nla_put_failure: |
9e088e74 | 8010 | nlmsg_free(msg); |
cd1d72c1 | 8011 | return ret; |
c5121837 JM |
8012 | } |
8013 | ||
fbbfcbac | 8014 | |
c5121837 JM |
8015 | static int i802_get_inact_sec(void *priv, const u8 *addr) |
8016 | { | |
8017 | struct hostap_sta_driver_data data; | |
8018 | int ret; | |
8019 | ||
8020 | data.inactive_msec = (unsigned long) -1; | |
8021 | ret = i802_read_sta_data(priv, &data, addr); | |
8022 | if (ret || data.inactive_msec == (unsigned long) -1) | |
8023 | return -1; | |
8024 | return data.inactive_msec / 1000; | |
8025 | } | |
8026 | ||
8027 | ||
8028 | static int i802_sta_clear_stats(void *priv, const u8 *addr) | |
8029 | { | |
8030 | #if 0 | |
8031 | /* TODO */ | |
8032 | #endif | |
8033 | return 0; | |
8034 | } | |
8035 | ||
8036 | ||
731723a5 JM |
8037 | static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, |
8038 | int reason) | |
c5121837 | 8039 | { |
a2e40bb6 | 8040 | struct i802_bss *bss = priv; |
e1bd4e19 | 8041 | struct wpa_driver_nl80211_data *drv = bss->drv; |
c5121837 JM |
8042 | struct ieee80211_mgmt mgmt; |
8043 | ||
e1bd4e19 AT |
8044 | if (drv->device_ap_sme) |
8045 | return wpa_driver_nl80211_sta_remove(bss, addr); | |
8046 | ||
c5121837 JM |
8047 | memset(&mgmt, 0, sizeof(mgmt)); |
8048 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
8049 | WLAN_FC_STYPE_DEAUTH); | |
8050 | memcpy(mgmt.da, addr, ETH_ALEN); | |
731723a5 JM |
8051 | memcpy(mgmt.sa, own_addr, ETH_ALEN); |
8052 | memcpy(mgmt.bssid, own_addr, ETH_ALEN); | |
c5121837 | 8053 | mgmt.u.deauth.reason_code = host_to_le16(reason); |
a2e40bb6 | 8054 | return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, |
9f324b61 | 8055 | IEEE80211_HDRLEN + |
9ebce9c5 JM |
8056 | sizeof(mgmt.u.deauth), 0, 0, 0, 0, |
8057 | 0); | |
c5121837 JM |
8058 | } |
8059 | ||
8060 | ||
731723a5 JM |
8061 | static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, |
8062 | int reason) | |
c5121837 | 8063 | { |
a2e40bb6 | 8064 | struct i802_bss *bss = priv; |
e1bd4e19 | 8065 | struct wpa_driver_nl80211_data *drv = bss->drv; |
c5121837 JM |
8066 | struct ieee80211_mgmt mgmt; |
8067 | ||
e1bd4e19 AT |
8068 | if (drv->device_ap_sme) |
8069 | return wpa_driver_nl80211_sta_remove(bss, addr); | |
8070 | ||
c5121837 JM |
8071 | memset(&mgmt, 0, sizeof(mgmt)); |
8072 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
8073 | WLAN_FC_STYPE_DISASSOC); | |
8074 | memcpy(mgmt.da, addr, ETH_ALEN); | |
731723a5 JM |
8075 | memcpy(mgmt.sa, own_addr, ETH_ALEN); |
8076 | memcpy(mgmt.bssid, own_addr, ETH_ALEN); | |
c5121837 | 8077 | mgmt.u.disassoc.reason_code = host_to_le16(reason); |
a2e40bb6 | 8078 | return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, |
9f324b61 | 8079 | IEEE80211_HDRLEN + |
9ebce9c5 JM |
8080 | sizeof(mgmt.u.disassoc), 0, 0, 0, 0, |
8081 | 0); | |
c5121837 JM |
8082 | } |
8083 | ||
ee7ab173 JB |
8084 | #endif /* HOSTAPD || CONFIG_AP */ |
8085 | ||
8086 | #ifdef HOSTAPD | |
c5121837 | 8087 | |
f07ead6a JM |
8088 | static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) |
8089 | { | |
8090 | int i; | |
8091 | int *old; | |
8092 | ||
8093 | wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d", | |
8094 | ifidx); | |
8095 | for (i = 0; i < drv->num_if_indices; i++) { | |
8096 | if (drv->if_indices[i] == 0) { | |
8097 | drv->if_indices[i] = ifidx; | |
8098 | return; | |
8099 | } | |
8100 | } | |
8101 | ||
8102 | if (drv->if_indices != drv->default_if_indices) | |
8103 | old = drv->if_indices; | |
8104 | else | |
8105 | old = NULL; | |
8106 | ||
067ffa26 JM |
8107 | drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1, |
8108 | sizeof(int)); | |
f07ead6a JM |
8109 | if (!drv->if_indices) { |
8110 | if (!old) | |
8111 | drv->if_indices = drv->default_if_indices; | |
8112 | else | |
8113 | drv->if_indices = old; | |
8114 | wpa_printf(MSG_ERROR, "Failed to reallocate memory for " | |
8115 | "interfaces"); | |
8116 | wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx); | |
8117 | return; | |
8118 | } else if (!old) | |
8119 | os_memcpy(drv->if_indices, drv->default_if_indices, | |
8120 | sizeof(drv->default_if_indices)); | |
8121 | drv->if_indices[drv->num_if_indices] = ifidx; | |
8122 | drv->num_if_indices++; | |
8123 | } | |
8124 | ||
8125 | ||
8126 | static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) | |
8127 | { | |
8128 | int i; | |
8129 | ||
8130 | for (i = 0; i < drv->num_if_indices; i++) { | |
8131 | if (drv->if_indices[i] == ifidx) { | |
8132 | drv->if_indices[i] = 0; | |
8133 | break; | |
8134 | } | |
8135 | } | |
8136 | } | |
8137 | ||
8138 | ||
8139 | static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) | |
8140 | { | |
8141 | int i; | |
8142 | ||
8143 | for (i = 0; i < drv->num_if_indices; i++) | |
8144 | if (drv->if_indices[i] == ifidx) | |
8145 | return 1; | |
8146 | ||
8147 | return 0; | |
8148 | } | |
8149 | ||
8150 | ||
8151 | static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val, | |
8152 | const char *bridge_ifname) | |
8153 | { | |
8154 | struct i802_bss *bss = priv; | |
8155 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8156 | char name[IFNAMSIZ + 1]; | |
8157 | ||
8158 | os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid); | |
8159 | wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR | |
8160 | " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name); | |
8161 | if (val) { | |
8162 | if (!if_nametoindex(name)) { | |
8163 | if (nl80211_create_iface(drv, name, | |
8164 | NL80211_IFTYPE_AP_VLAN, | |
c3e3a5b9 | 8165 | bss->addr, 1) < 0) |
f07ead6a JM |
8166 | return -1; |
8167 | if (bridge_ifname && | |
c81eff1a BG |
8168 | linux_br_add_if(drv->global->ioctl_sock, |
8169 | bridge_ifname, name) < 0) | |
f07ead6a JM |
8170 | return -1; |
8171 | } | |
75227f3a JM |
8172 | if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) { |
8173 | wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA " | |
8174 | "interface %s up", name); | |
8175 | } | |
f07ead6a JM |
8176 | return i802_set_sta_vlan(priv, addr, name, 0); |
8177 | } else { | |
c34e618d FF |
8178 | if (bridge_ifname) |
8179 | linux_br_del_if(drv->global->ioctl_sock, bridge_ifname, | |
8180 | name); | |
8181 | ||
f07ead6a JM |
8182 | i802_set_sta_vlan(priv, addr, bss->ifname, 0); |
8183 | return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN, | |
8184 | name); | |
8185 | } | |
8186 | } | |
8187 | ||
8188 | ||
8189 | static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx) | |
8190 | { | |
8191 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
8192 | struct sockaddr_ll lladdr; | |
8193 | unsigned char buf[3000]; | |
8194 | int len; | |
8195 | socklen_t fromlen = sizeof(lladdr); | |
8196 | ||
8197 | len = recvfrom(sock, buf, sizeof(buf), 0, | |
8198 | (struct sockaddr *)&lladdr, &fromlen); | |
8199 | if (len < 0) { | |
8200 | perror("recv"); | |
8201 | return; | |
8202 | } | |
8203 | ||
8204 | if (have_ifidx(drv, lladdr.sll_ifindex)) | |
8205 | drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len); | |
8206 | } | |
8207 | ||
8208 | ||
94627f6c | 8209 | static int i802_check_bridge(struct wpa_driver_nl80211_data *drv, |
e17a2477 | 8210 | struct i802_bss *bss, |
94627f6c JM |
8211 | const char *brname, const char *ifname) |
8212 | { | |
8213 | int ifindex; | |
8214 | char in_br[IFNAMSIZ]; | |
8215 | ||
e17a2477 | 8216 | os_strlcpy(bss->brname, brname, IFNAMSIZ); |
94627f6c JM |
8217 | ifindex = if_nametoindex(brname); |
8218 | if (ifindex == 0) { | |
8219 | /* | |
8220 | * Bridge was configured, but the bridge device does | |
8221 | * not exist. Try to add it now. | |
8222 | */ | |
c81eff1a | 8223 | if (linux_br_add(drv->global->ioctl_sock, brname) < 0) { |
94627f6c JM |
8224 | wpa_printf(MSG_ERROR, "nl80211: Failed to add the " |
8225 | "bridge interface %s: %s", | |
8226 | brname, strerror(errno)); | |
8227 | return -1; | |
8228 | } | |
e17a2477 | 8229 | bss->added_bridge = 1; |
94627f6c JM |
8230 | add_ifidx(drv, if_nametoindex(brname)); |
8231 | } | |
8232 | ||
8233 | if (linux_br_get(in_br, ifname) == 0) { | |
8234 | if (os_strcmp(in_br, brname) == 0) | |
8235 | return 0; /* already in the bridge */ | |
8236 | ||
8237 | wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from " | |
8238 | "bridge %s", ifname, in_br); | |
c81eff1a BG |
8239 | if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) < |
8240 | 0) { | |
94627f6c JM |
8241 | wpa_printf(MSG_ERROR, "nl80211: Failed to " |
8242 | "remove interface %s from bridge " | |
8243 | "%s: %s", | |
8244 | ifname, brname, strerror(errno)); | |
8245 | return -1; | |
8246 | } | |
8247 | } | |
8248 | ||
8249 | wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s", | |
8250 | ifname, brname); | |
c81eff1a | 8251 | if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) { |
94627f6c JM |
8252 | wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s " |
8253 | "into bridge %s: %s", | |
8254 | ifname, brname, strerror(errno)); | |
8255 | return -1; | |
8256 | } | |
e17a2477 | 8257 | bss->added_if_into_bridge = 1; |
94627f6c JM |
8258 | |
8259 | return 0; | |
8260 | } | |
8261 | ||
8262 | ||
92f475b4 JM |
8263 | static void *i802_init(struct hostapd_data *hapd, |
8264 | struct wpa_init_params *params) | |
c5121837 JM |
8265 | { |
8266 | struct wpa_driver_nl80211_data *drv; | |
a2e40bb6 | 8267 | struct i802_bss *bss; |
c5121837 | 8268 | size_t i; |
94627f6c JM |
8269 | char brname[IFNAMSIZ]; |
8270 | int ifindex, br_ifindex; | |
8271 | int br_added = 0; | |
c5121837 | 8272 | |
4b24282a JM |
8273 | bss = wpa_driver_nl80211_init(hapd, params->ifname, |
8274 | params->global_priv); | |
a2e40bb6 | 8275 | if (bss == NULL) |
c5121837 | 8276 | return NULL; |
c5121837 | 8277 | |
a2e40bb6 | 8278 | drv = bss->drv; |
0382097e | 8279 | drv->nlmode = NL80211_IFTYPE_AP; |
7635bfb0 JB |
8280 | drv->eapol_sock = -1; |
8281 | ||
94627f6c JM |
8282 | if (linux_br_get(brname, params->ifname) == 0) { |
8283 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s", | |
8284 | params->ifname, brname); | |
8285 | br_ifindex = if_nametoindex(brname); | |
8286 | } else { | |
8287 | brname[0] = '\0'; | |
8288 | br_ifindex = 0; | |
8289 | } | |
8290 | ||
c5121837 JM |
8291 | drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int); |
8292 | drv->if_indices = drv->default_if_indices; | |
92f475b4 | 8293 | for (i = 0; i < params->num_bridge; i++) { |
94627f6c JM |
8294 | if (params->bridge[i]) { |
8295 | ifindex = if_nametoindex(params->bridge[i]); | |
8296 | if (ifindex) | |
8297 | add_ifidx(drv, ifindex); | |
8298 | if (ifindex == br_ifindex) | |
8299 | br_added = 1; | |
8300 | } | |
c5121837 | 8301 | } |
94627f6c JM |
8302 | if (!br_added && br_ifindex && |
8303 | (params->num_bridge == 0 || !params->bridge[0])) | |
8304 | add_ifidx(drv, br_ifindex); | |
c5121837 | 8305 | |
ad1e68e6 JM |
8306 | /* start listening for EAPOL on the default AP interface */ |
8307 | add_ifidx(drv, drv->ifindex); | |
8308 | ||
c81eff1a | 8309 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0)) |
6980c191 | 8310 | goto failed; |
ad1e68e6 | 8311 | |
6980c191 | 8312 | if (params->bssid) { |
c81eff1a | 8313 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, |
2ac9688e | 8314 | params->bssid)) |
460456f8 JM |
8315 | goto failed; |
8316 | } | |
ad1e68e6 | 8317 | |
b1f625e0 | 8318 | if (wpa_driver_nl80211_set_mode(bss, drv->nlmode)) { |
ad1e68e6 | 8319 | wpa_printf(MSG_ERROR, "nl80211: Failed to set interface %s " |
a2e40bb6 | 8320 | "into AP mode", bss->ifname); |
bbaf0837 | 8321 | goto failed; |
ad1e68e6 JM |
8322 | } |
8323 | ||
94627f6c | 8324 | if (params->num_bridge && params->bridge[0] && |
e17a2477 | 8325 | i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0) |
94627f6c JM |
8326 | goto failed; |
8327 | ||
c81eff1a | 8328 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) |
bbaf0837 | 8329 | goto failed; |
ad1e68e6 JM |
8330 | |
8331 | drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE)); | |
8332 | if (drv->eapol_sock < 0) { | |
8333 | perror("socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE)"); | |
bbaf0837 | 8334 | goto failed; |
ad1e68e6 JM |
8335 | } |
8336 | ||
8337 | if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL)) | |
8338 | { | |
8339 | printf("Could not register read socket for eapol\n"); | |
c5121837 | 8340 | goto failed; |
ad1e68e6 JM |
8341 | } |
8342 | ||
c81eff1a BG |
8343 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, |
8344 | params->own_addr)) | |
bbaf0837 | 8345 | goto failed; |
c5121837 | 8346 | |
341eebee JB |
8347 | memcpy(bss->addr, params->own_addr, ETH_ALEN); |
8348 | ||
a2e40bb6 | 8349 | return bss; |
c5121837 JM |
8350 | |
8351 | failed: | |
7635bfb0 | 8352 | wpa_driver_nl80211_deinit(bss); |
bbaf0837 JM |
8353 | return NULL; |
8354 | } | |
c5121837 | 8355 | |
c5121837 | 8356 | |
bbaf0837 JM |
8357 | static void i802_deinit(void *priv) |
8358 | { | |
9ebce9c5 JM |
8359 | struct i802_bss *bss = priv; |
8360 | wpa_driver_nl80211_deinit(bss); | |
c5121837 JM |
8361 | } |
8362 | ||
8363 | #endif /* HOSTAPD */ | |
8364 | ||
8365 | ||
22a7c9d7 JM |
8366 | static enum nl80211_iftype wpa_driver_nl80211_if_type( |
8367 | enum wpa_driver_if_type type) | |
8368 | { | |
8369 | switch (type) { | |
8370 | case WPA_IF_STATION: | |
9f51b113 | 8371 | return NL80211_IFTYPE_STATION; |
75bde05d JM |
8372 | case WPA_IF_P2P_CLIENT: |
8373 | case WPA_IF_P2P_GROUP: | |
9f51b113 | 8374 | return NL80211_IFTYPE_P2P_CLIENT; |
22a7c9d7 JM |
8375 | case WPA_IF_AP_VLAN: |
8376 | return NL80211_IFTYPE_AP_VLAN; | |
8377 | case WPA_IF_AP_BSS: | |
8378 | return NL80211_IFTYPE_AP; | |
9f51b113 JB |
8379 | case WPA_IF_P2P_GO: |
8380 | return NL80211_IFTYPE_P2P_GO; | |
22a7c9d7 JM |
8381 | } |
8382 | return -1; | |
8383 | } | |
8384 | ||
8385 | ||
482856c8 JM |
8386 | #ifdef CONFIG_P2P |
8387 | ||
f2ed8023 JM |
8388 | static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr) |
8389 | { | |
8390 | struct wpa_driver_nl80211_data *drv; | |
8391 | dl_list_for_each(drv, &global->interfaces, | |
8392 | struct wpa_driver_nl80211_data, list) { | |
341eebee | 8393 | if (os_memcmp(addr, drv->first_bss.addr, ETH_ALEN) == 0) |
f2ed8023 JM |
8394 | return 1; |
8395 | } | |
8396 | return 0; | |
8397 | } | |
8398 | ||
8399 | ||
8400 | static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv, | |
8401 | u8 *new_addr) | |
8402 | { | |
8403 | unsigned int idx; | |
8404 | ||
8405 | if (!drv->global) | |
8406 | return -1; | |
8407 | ||
341eebee | 8408 | os_memcpy(new_addr, drv->first_bss.addr, ETH_ALEN); |
f2ed8023 | 8409 | for (idx = 0; idx < 64; idx++) { |
341eebee | 8410 | new_addr[0] = drv->first_bss.addr[0] | 0x02; |
f2ed8023 JM |
8411 | new_addr[0] ^= idx << 2; |
8412 | if (!nl80211_addr_in_use(drv->global, new_addr)) | |
8413 | break; | |
8414 | } | |
8415 | if (idx == 64) | |
8416 | return -1; | |
8417 | ||
8418 | wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address " | |
8419 | MACSTR, MAC2STR(new_addr)); | |
8420 | ||
8421 | return 0; | |
8422 | } | |
8423 | ||
482856c8 JM |
8424 | #endif /* CONFIG_P2P */ |
8425 | ||
f2ed8023 | 8426 | |
7ab68865 | 8427 | static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type, |
8043e725 | 8428 | const char *ifname, const u8 *addr, |
f3585c8a | 8429 | void *bss_ctx, void **drv_priv, |
e17a2477 JM |
8430 | char *force_ifname, u8 *if_addr, |
8431 | const char *bridge) | |
22a7c9d7 | 8432 | { |
a2e40bb6 FF |
8433 | struct i802_bss *bss = priv; |
8434 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
22a7c9d7 JM |
8435 | int ifidx; |
8436 | #ifdef HOSTAPD | |
a2e40bb6 | 8437 | struct i802_bss *new_bss = NULL; |
22a7c9d7 JM |
8438 | |
8439 | if (type == WPA_IF_AP_BSS) { | |
a2e40bb6 FF |
8440 | new_bss = os_zalloc(sizeof(*new_bss)); |
8441 | if (new_bss == NULL) | |
22a7c9d7 JM |
8442 | return -1; |
8443 | } | |
8444 | #endif /* HOSTAPD */ | |
8445 | ||
f3585c8a JM |
8446 | if (addr) |
8447 | os_memcpy(if_addr, addr, ETH_ALEN); | |
22a7c9d7 | 8448 | ifidx = nl80211_create_iface(drv, ifname, |
fbbfcbac FF |
8449 | wpa_driver_nl80211_if_type(type), addr, |
8450 | 0); | |
22a7c9d7 JM |
8451 | if (ifidx < 0) { |
8452 | #ifdef HOSTAPD | |
a2e40bb6 | 8453 | os_free(new_bss); |
22a7c9d7 JM |
8454 | #endif /* HOSTAPD */ |
8455 | return -1; | |
8456 | } | |
8457 | ||
f3585c8a | 8458 | if (!addr && |
c81eff1a BG |
8459 | linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, |
8460 | if_addr) < 0) { | |
c55f774d | 8461 | nl80211_remove_iface(drv, ifidx); |
f3585c8a | 8462 | return -1; |
c55f774d JM |
8463 | } |
8464 | ||
8465 | #ifdef CONFIG_P2P | |
8466 | if (!addr && | |
8467 | (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP || | |
8468 | type == WPA_IF_P2P_GO)) { | |
8469 | /* Enforce unique P2P Interface Address */ | |
8470 | u8 new_addr[ETH_ALEN], own_addr[ETH_ALEN]; | |
8471 | ||
c81eff1a BG |
8472 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, |
8473 | own_addr) < 0 || | |
8474 | linux_get_ifhwaddr(drv->global->ioctl_sock, ifname, | |
8475 | new_addr) < 0) { | |
c55f774d JM |
8476 | nl80211_remove_iface(drv, ifidx); |
8477 | return -1; | |
8478 | } | |
8479 | if (os_memcmp(own_addr, new_addr, ETH_ALEN) == 0) { | |
8480 | wpa_printf(MSG_DEBUG, "nl80211: Allocate new address " | |
8481 | "for P2P group interface"); | |
f2ed8023 | 8482 | if (nl80211_p2p_interface_addr(drv, new_addr) < 0) { |
c55f774d JM |
8483 | nl80211_remove_iface(drv, ifidx); |
8484 | return -1; | |
8485 | } | |
c81eff1a | 8486 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, |
c55f774d JM |
8487 | new_addr) < 0) { |
8488 | nl80211_remove_iface(drv, ifidx); | |
8489 | return -1; | |
8490 | } | |
c55f774d | 8491 | } |
f67eeb5c | 8492 | os_memcpy(if_addr, new_addr, ETH_ALEN); |
c55f774d JM |
8493 | } |
8494 | #endif /* CONFIG_P2P */ | |
f3585c8a | 8495 | |
22a7c9d7 | 8496 | #ifdef HOSTAPD |
e17a2477 JM |
8497 | if (bridge && |
8498 | i802_check_bridge(drv, new_bss, bridge, ifname) < 0) { | |
8499 | wpa_printf(MSG_ERROR, "nl80211: Failed to add the new " | |
8500 | "interface %s to a bridge %s", ifname, bridge); | |
8501 | nl80211_remove_iface(drv, ifidx); | |
8502 | os_free(new_bss); | |
8503 | return -1; | |
8504 | } | |
8505 | ||
22a7c9d7 | 8506 | if (type == WPA_IF_AP_BSS) { |
c81eff1a BG |
8507 | if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1)) |
8508 | { | |
34f2f814 | 8509 | nl80211_remove_iface(drv, ifidx); |
07179987 | 8510 | os_free(new_bss); |
22a7c9d7 JM |
8511 | return -1; |
8512 | } | |
a2e40bb6 | 8513 | os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ); |
341eebee | 8514 | os_memcpy(new_bss->addr, if_addr, ETH_ALEN); |
a2e40bb6 FF |
8515 | new_bss->ifindex = ifidx; |
8516 | new_bss->drv = drv; | |
8517 | new_bss->next = drv->first_bss.next; | |
a7a6af4c | 8518 | new_bss->freq = drv->first_bss.freq; |
a5e1eb20 | 8519 | new_bss->ctx = bss_ctx; |
a2e40bb6 FF |
8520 | drv->first_bss.next = new_bss; |
8521 | if (drv_priv) | |
8522 | *drv_priv = new_bss; | |
cc7a48d1 | 8523 | nl80211_init_bss(new_bss); |
3dd1d890 YAP |
8524 | |
8525 | /* Subscribe management frames for this WPA_IF_AP_BSS */ | |
8526 | if (nl80211_setup_ap(new_bss)) | |
8527 | return -1; | |
22a7c9d7 JM |
8528 | } |
8529 | #endif /* HOSTAPD */ | |
8530 | ||
ff6a158b JM |
8531 | if (drv->global) |
8532 | drv->global->if_add_ifindex = ifidx; | |
8533 | ||
22a7c9d7 JM |
8534 | return 0; |
8535 | } | |
8536 | ||
8537 | ||
9ebce9c5 | 8538 | static int wpa_driver_nl80211_if_remove(struct i802_bss *bss, |
22a7c9d7 JM |
8539 | enum wpa_driver_if_type type, |
8540 | const char *ifname) | |
8541 | { | |
a2e40bb6 | 8542 | struct wpa_driver_nl80211_data *drv = bss->drv; |
22a7c9d7 JM |
8543 | int ifindex = if_nametoindex(ifname); |
8544 | ||
e748062b JM |
8545 | wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d", |
8546 | __func__, type, ifname, ifindex); | |
8547 | if (ifindex <= 0) | |
8548 | return -1; | |
e17a2477 | 8549 | |
c34e618d FF |
8550 | nl80211_remove_iface(drv, ifindex); |
8551 | ||
e17a2477 | 8552 | #ifdef HOSTAPD |
c34e618d FF |
8553 | if (type != WPA_IF_AP_BSS) |
8554 | return 0; | |
8555 | ||
e17a2477 | 8556 | if (bss->added_if_into_bridge) { |
c81eff1a BG |
8557 | if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, |
8558 | bss->ifname) < 0) | |
e17a2477 JM |
8559 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " |
8560 | "interface %s from bridge %s: %s", | |
8561 | bss->ifname, bss->brname, strerror(errno)); | |
8562 | } | |
8563 | if (bss->added_bridge) { | |
c81eff1a | 8564 | if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) |
e17a2477 JM |
8565 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " |
8566 | "bridge %s: %s", | |
8567 | bss->brname, strerror(errno)); | |
8568 | } | |
a2e40bb6 FF |
8569 | |
8570 | if (bss != &drv->first_bss) { | |
8546ea19 | 8571 | struct i802_bss *tbss; |
a2e40bb6 | 8572 | |
8546ea19 JM |
8573 | for (tbss = &drv->first_bss; tbss; tbss = tbss->next) { |
8574 | if (tbss->next == bss) { | |
8575 | tbss->next = bss->next; | |
3dd1d890 YAP |
8576 | /* Unsubscribe management frames */ |
8577 | nl80211_teardown_ap(bss); | |
cc7a48d1 | 8578 | nl80211_destroy_bss(bss); |
8546ea19 JM |
8579 | os_free(bss); |
8580 | bss = NULL; | |
8581 | break; | |
8582 | } | |
22a7c9d7 | 8583 | } |
8546ea19 JM |
8584 | if (bss) |
8585 | wpa_printf(MSG_INFO, "nl80211: %s - could not find " | |
8586 | "BSS %p in the list", __func__, bss); | |
22a7c9d7 JM |
8587 | } |
8588 | #endif /* HOSTAPD */ | |
8589 | ||
8590 | return 0; | |
8591 | } | |
8592 | ||
8593 | ||
55777702 JM |
8594 | static int cookie_handler(struct nl_msg *msg, void *arg) |
8595 | { | |
8596 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
8597 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
8598 | u64 *cookie = arg; | |
8599 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
8600 | genlmsg_attrlen(gnlh, 0), NULL); | |
8601 | if (tb[NL80211_ATTR_COOKIE]) | |
8602 | *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]); | |
8603 | return NL_SKIP; | |
8604 | } | |
8605 | ||
8606 | ||
88df0ef7 | 8607 | static int nl80211_send_frame_cmd(struct i802_bss *bss, |
5dfca53f JB |
8608 | unsigned int freq, unsigned int wait, |
8609 | const u8 *buf, size_t buf_len, | |
88df0ef7 JB |
8610 | u64 *cookie_out, int no_cck, int no_ack, |
8611 | int offchanok) | |
9884f9cc | 8612 | { |
88df0ef7 | 8613 | struct wpa_driver_nl80211_data *drv = bss->drv; |
9884f9cc JB |
8614 | struct nl_msg *msg; |
8615 | u64 cookie; | |
8616 | int ret = -1; | |
8617 | ||
8618 | msg = nlmsg_alloc(); | |
8619 | if (!msg) | |
8620 | return -1; | |
8621 | ||
2e3e4566 JM |
8622 | wpa_printf(MSG_DEBUG, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d " |
8623 | "no_ack=%d offchanok=%d", | |
8624 | freq, wait, no_cck, no_ack, offchanok); | |
9fb04070 | 8625 | nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME); |
9884f9cc | 8626 | |
88df0ef7 | 8627 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); |
9884f9cc | 8628 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); |
9db931ed JM |
8629 | if (wait) |
8630 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait); | |
b9fd8ce8 | 8631 | if (offchanok && (drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX)) |
88df0ef7 | 8632 | NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); |
b106173a JM |
8633 | if (no_cck) |
8634 | NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE); | |
ddc53271 JM |
8635 | if (no_ack) |
8636 | NLA_PUT_FLAG(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK); | |
970fa12e | 8637 | |
9884f9cc JB |
8638 | NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf); |
8639 | ||
8640 | cookie = 0; | |
8641 | ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); | |
8642 | msg = NULL; | |
8643 | if (ret) { | |
8644 | wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d " | |
a05225c8 JM |
8645 | "(%s) (freq=%u wait=%u)", ret, strerror(-ret), |
8646 | freq, wait); | |
9884f9cc JB |
8647 | goto nla_put_failure; |
8648 | } | |
ddc53271 JM |
8649 | wpa_printf(MSG_DEBUG, "nl80211: Frame TX command accepted%s; " |
8650 | "cookie 0x%llx", no_ack ? " (no ACK)" : "", | |
8651 | (long long unsigned int) cookie); | |
9884f9cc JB |
8652 | |
8653 | if (cookie_out) | |
ddc53271 | 8654 | *cookie_out = no_ack ? (u64) -1 : cookie; |
9884f9cc JB |
8655 | |
8656 | nla_put_failure: | |
8657 | nlmsg_free(msg); | |
8658 | return ret; | |
8659 | } | |
8660 | ||
8661 | ||
9ebce9c5 JM |
8662 | static int wpa_driver_nl80211_send_action(struct i802_bss *bss, |
8663 | unsigned int freq, | |
190b9062 | 8664 | unsigned int wait_time, |
58f6fbe0 JM |
8665 | const u8 *dst, const u8 *src, |
8666 | const u8 *bssid, | |
b106173a JM |
8667 | const u8 *data, size_t data_len, |
8668 | int no_cck) | |
58f6fbe0 | 8669 | { |
a2e40bb6 | 8670 | struct wpa_driver_nl80211_data *drv = bss->drv; |
58f6fbe0 | 8671 | int ret = -1; |
58f6fbe0 JM |
8672 | u8 *buf; |
8673 | struct ieee80211_hdr *hdr; | |
58f6fbe0 | 8674 | |
5dfca53f | 8675 | wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, " |
55231068 JM |
8676 | "freq=%u MHz wait=%d ms no_cck=%d)", |
8677 | drv->ifindex, freq, wait_time, no_cck); | |
58f6fbe0 JM |
8678 | |
8679 | buf = os_zalloc(24 + data_len); | |
8680 | if (buf == NULL) | |
8681 | return ret; | |
8682 | os_memcpy(buf + 24, data, data_len); | |
8683 | hdr = (struct ieee80211_hdr *) buf; | |
8684 | hdr->frame_control = | |
8685 | IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION); | |
8686 | os_memcpy(hdr->addr1, dst, ETH_ALEN); | |
8687 | os_memcpy(hdr->addr2, src, ETH_ALEN); | |
8688 | os_memcpy(hdr->addr3, bssid, ETH_ALEN); | |
8689 | ||
b1f625e0 | 8690 | if (is_ap_interface(drv->nlmode)) |
9ebce9c5 JM |
8691 | ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len, |
8692 | 0, freq, no_cck, 1, | |
8693 | wait_time); | |
9884f9cc | 8694 | else |
88df0ef7 | 8695 | ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf, |
5dfca53f | 8696 | 24 + data_len, |
b106173a | 8697 | &drv->send_action_cookie, |
88df0ef7 | 8698 | no_cck, 0, 1); |
58f6fbe0 | 8699 | |
f8bf1421 | 8700 | os_free(buf); |
58f6fbe0 JM |
8701 | return ret; |
8702 | } | |
8703 | ||
8704 | ||
5dfca53f JB |
8705 | static void wpa_driver_nl80211_send_action_cancel_wait(void *priv) |
8706 | { | |
8707 | struct i802_bss *bss = priv; | |
8708 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8709 | struct nl_msg *msg; | |
8710 | int ret; | |
8711 | ||
8712 | msg = nlmsg_alloc(); | |
8713 | if (!msg) | |
8714 | return; | |
8715 | ||
316a9e4d JM |
8716 | wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx", |
8717 | (long long unsigned int) drv->send_action_cookie); | |
9fb04070 | 8718 | nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME_WAIT_CANCEL); |
5dfca53f JB |
8719 | |
8720 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
8721 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie); | |
8722 | ||
8723 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8724 | msg = NULL; | |
8725 | if (ret) | |
8726 | wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d " | |
8727 | "(%s)", ret, strerror(-ret)); | |
8728 | ||
8729 | nla_put_failure: | |
8730 | nlmsg_free(msg); | |
8731 | } | |
8732 | ||
8733 | ||
55777702 JM |
8734 | static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq, |
8735 | unsigned int duration) | |
8736 | { | |
a2e40bb6 FF |
8737 | struct i802_bss *bss = priv; |
8738 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
55777702 JM |
8739 | struct nl_msg *msg; |
8740 | int ret; | |
8741 | u64 cookie; | |
8742 | ||
8743 | msg = nlmsg_alloc(); | |
8744 | if (!msg) | |
8745 | return -1; | |
8746 | ||
9fb04070 | 8747 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REMAIN_ON_CHANNEL); |
55777702 JM |
8748 | |
8749 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
8750 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
8751 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration); | |
8752 | ||
8753 | cookie = 0; | |
8754 | ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); | |
5883168a | 8755 | msg = NULL; |
55777702 JM |
8756 | if (ret == 0) { |
8757 | wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie " | |
8758 | "0x%llx for freq=%u MHz duration=%u", | |
8759 | (long long unsigned int) cookie, freq, duration); | |
8760 | drv->remain_on_chan_cookie = cookie; | |
531f0331 | 8761 | drv->pending_remain_on_chan = 1; |
55777702 JM |
8762 | return 0; |
8763 | } | |
8764 | wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel " | |
15ed5535 JM |
8765 | "(freq=%d duration=%u): %d (%s)", |
8766 | freq, duration, ret, strerror(-ret)); | |
55777702 | 8767 | nla_put_failure: |
5883168a | 8768 | nlmsg_free(msg); |
55777702 JM |
8769 | return -1; |
8770 | } | |
8771 | ||
8772 | ||
8773 | static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv) | |
8774 | { | |
a2e40bb6 FF |
8775 | struct i802_bss *bss = priv; |
8776 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
55777702 JM |
8777 | struct nl_msg *msg; |
8778 | int ret; | |
8779 | ||
8780 | if (!drv->pending_remain_on_chan) { | |
8781 | wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel " | |
8782 | "to cancel"); | |
8783 | return -1; | |
8784 | } | |
8785 | ||
8786 | wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie " | |
8787 | "0x%llx", | |
8788 | (long long unsigned int) drv->remain_on_chan_cookie); | |
8789 | ||
8790 | msg = nlmsg_alloc(); | |
8791 | if (!msg) | |
8792 | return -1; | |
8793 | ||
9fb04070 | 8794 | nl80211_cmd(drv, msg, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL); |
55777702 JM |
8795 | |
8796 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
8797 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie); | |
8798 | ||
8799 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5883168a | 8800 | msg = NULL; |
55777702 JM |
8801 | if (ret == 0) |
8802 | return 0; | |
8803 | wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: " | |
8804 | "%d (%s)", ret, strerror(-ret)); | |
8805 | nla_put_failure: | |
5883168a | 8806 | nlmsg_free(msg); |
55777702 JM |
8807 | return -1; |
8808 | } | |
8809 | ||
8810 | ||
9ebce9c5 | 8811 | static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report) |
504e905c | 8812 | { |
a2e40bb6 | 8813 | struct wpa_driver_nl80211_data *drv = bss->drv; |
504e905c | 8814 | |
5582a5d1 | 8815 | if (!report) { |
0d891981 JM |
8816 | if (bss->nl_preq && drv->device_ap_sme && |
8817 | is_ap_interface(drv->nlmode)) { | |
8818 | /* | |
8819 | * Do not disable Probe Request reporting that was | |
8820 | * enabled in nl80211_setup_ap(). | |
8821 | */ | |
8822 | wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of " | |
8823 | "Probe Request reporting nl_preq=%p while " | |
8824 | "in AP mode", bss->nl_preq); | |
8825 | } else if (bss->nl_preq) { | |
36488c05 JM |
8826 | wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request " |
8827 | "reporting nl_preq=%p", bss->nl_preq); | |
5582a5d1 | 8828 | eloop_unregister_read_sock( |
481234cf | 8829 | nl_socket_get_fd(bss->nl_preq)); |
221a59c9 | 8830 | nl_destroy_handles(&bss->nl_preq); |
5582a5d1 JB |
8831 | } |
8832 | return 0; | |
8833 | } | |
8834 | ||
481234cf | 8835 | if (bss->nl_preq) { |
5582a5d1 | 8836 | wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting " |
36488c05 | 8837 | "already on! nl_preq=%p", bss->nl_preq); |
5582a5d1 JB |
8838 | return 0; |
8839 | } | |
8840 | ||
481234cf JM |
8841 | bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq"); |
8842 | if (bss->nl_preq == NULL) | |
5582a5d1 | 8843 | return -1; |
36488c05 JM |
8844 | wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request " |
8845 | "reporting nl_preq=%p", bss->nl_preq); | |
5582a5d1 | 8846 | |
481234cf | 8847 | if (nl80211_register_frame(bss, bss->nl_preq, |
5582a5d1 JB |
8848 | (WLAN_FC_TYPE_MGMT << 2) | |
8849 | (WLAN_FC_STYPE_PROBE_REQ << 4), | |
a92dfde8 JB |
8850 | NULL, 0) < 0) |
8851 | goto out_err; | |
5582a5d1 | 8852 | |
481234cf | 8853 | eloop_register_read_sock(nl_socket_get_fd(bss->nl_preq), |
a11241fa | 8854 | wpa_driver_nl80211_event_receive, bss->nl_cb, |
481234cf | 8855 | bss->nl_preq); |
5582a5d1 | 8856 | |
504e905c | 8857 | return 0; |
5582a5d1 | 8858 | |
a92dfde8 | 8859 | out_err: |
221a59c9 | 8860 | nl_destroy_handles(&bss->nl_preq); |
5582a5d1 | 8861 | return -1; |
504e905c JM |
8862 | } |
8863 | ||
8864 | ||
4e5cb1a3 JM |
8865 | static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, |
8866 | int ifindex, int disabled) | |
8867 | { | |
8868 | struct nl_msg *msg; | |
8869 | struct nlattr *bands, *band; | |
8870 | int ret; | |
8871 | ||
8872 | msg = nlmsg_alloc(); | |
8873 | if (!msg) | |
8874 | return -1; | |
8875 | ||
9fb04070 | 8876 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_TX_BITRATE_MASK); |
4e5cb1a3 JM |
8877 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); |
8878 | ||
8879 | bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES); | |
8880 | if (!bands) | |
8881 | goto nla_put_failure; | |
8882 | ||
8883 | /* | |
8884 | * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything | |
8885 | * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS | |
8886 | * rates. All 5 GHz rates are left enabled. | |
8887 | */ | |
8888 | band = nla_nest_start(msg, NL80211_BAND_2GHZ); | |
8889 | if (!band) | |
8890 | goto nla_put_failure; | |
1dea5882 JM |
8891 | if (disabled) { |
8892 | NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8, | |
8893 | "\x0c\x12\x18\x24\x30\x48\x60\x6c"); | |
8894 | } | |
4e5cb1a3 JM |
8895 | nla_nest_end(msg, band); |
8896 | ||
8897 | nla_nest_end(msg, bands); | |
8898 | ||
8899 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8900 | msg = NULL; | |
8901 | if (ret) { | |
8902 | wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d " | |
8903 | "(%s)", ret, strerror(-ret)); | |
1d0c6fb1 JM |
8904 | } else |
8905 | drv->disabled_11b_rates = disabled; | |
4e5cb1a3 JM |
8906 | |
8907 | return ret; | |
8908 | ||
8909 | nla_put_failure: | |
8910 | nlmsg_free(msg); | |
8911 | return -1; | |
8912 | } | |
8913 | ||
8914 | ||
af473088 JM |
8915 | static int wpa_driver_nl80211_deinit_ap(void *priv) |
8916 | { | |
a2e40bb6 FF |
8917 | struct i802_bss *bss = priv; |
8918 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
b1f625e0 | 8919 | if (!is_ap_interface(drv->nlmode)) |
af473088 JM |
8920 | return -1; |
8921 | wpa_driver_nl80211_del_beacon(drv); | |
b1f625e0 | 8922 | return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); |
af473088 JM |
8923 | } |
8924 | ||
8925 | ||
3c29244e EP |
8926 | static int wpa_driver_nl80211_deinit_p2p_cli(void *priv) |
8927 | { | |
8928 | struct i802_bss *bss = priv; | |
8929 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8930 | if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT) | |
8931 | return -1; | |
8932 | return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); | |
8933 | } | |
8934 | ||
8935 | ||
207ef3fb JM |
8936 | static void wpa_driver_nl80211_resume(void *priv) |
8937 | { | |
a2e40bb6 FF |
8938 | struct i802_bss *bss = priv; |
8939 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
c81eff1a | 8940 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) { |
207ef3fb JM |
8941 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on " |
8942 | "resume event"); | |
8943 | } | |
8944 | } | |
8945 | ||
8946 | ||
7b90c16a JM |
8947 | static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap, |
8948 | const u8 *ies, size_t ies_len) | |
8949 | { | |
8950 | struct i802_bss *bss = priv; | |
8951 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8952 | int ret; | |
8953 | u8 *data, *pos; | |
8954 | size_t data_len; | |
341eebee | 8955 | const u8 *own_addr = bss->addr; |
7b90c16a JM |
8956 | |
8957 | if (action != 1) { | |
8958 | wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action " | |
8959 | "action %d", action); | |
8960 | return -1; | |
8961 | } | |
8962 | ||
8963 | /* | |
8964 | * Action frame payload: | |
8965 | * Category[1] = 6 (Fast BSS Transition) | |
8966 | * Action[1] = 1 (Fast BSS Transition Request) | |
8967 | * STA Address | |
8968 | * Target AP Address | |
8969 | * FT IEs | |
8970 | */ | |
8971 | ||
73fc617d JM |
8972 | data_len = 2 + 2 * ETH_ALEN + ies_len; |
8973 | data = os_malloc(data_len); | |
7b90c16a JM |
8974 | if (data == NULL) |
8975 | return -1; | |
8976 | pos = data; | |
8977 | *pos++ = 0x06; /* FT Action category */ | |
8978 | *pos++ = action; | |
8979 | os_memcpy(pos, own_addr, ETH_ALEN); | |
8980 | pos += ETH_ALEN; | |
8981 | os_memcpy(pos, target_ap, ETH_ALEN); | |
8982 | pos += ETH_ALEN; | |
8983 | os_memcpy(pos, ies, ies_len); | |
8984 | ||
190b9062 JB |
8985 | ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0, |
8986 | drv->bssid, own_addr, drv->bssid, | |
b106173a | 8987 | data, data_len, 0); |
7b90c16a JM |
8988 | os_free(data); |
8989 | ||
8990 | return ret; | |
8991 | } | |
8992 | ||
8993 | ||
b625473c JM |
8994 | static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis) |
8995 | { | |
8996 | struct i802_bss *bss = priv; | |
8997 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8970bae8 JB |
8998 | struct nl_msg *msg; |
8999 | struct nlattr *cqm; | |
f0494d0f | 9000 | int ret = -1; |
b625473c JM |
9001 | |
9002 | wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d " | |
9003 | "hysteresis=%d", threshold, hysteresis); | |
9004 | ||
9005 | msg = nlmsg_alloc(); | |
9006 | if (!msg) | |
9007 | return -1; | |
9008 | ||
9fb04070 | 9009 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM); |
b625473c JM |
9010 | |
9011 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
9012 | ||
8970bae8 | 9013 | cqm = nla_nest_start(msg, NL80211_ATTR_CQM); |
b625473c | 9014 | if (cqm == NULL) |
21270bb4 | 9015 | goto nla_put_failure; |
b625473c | 9016 | |
8970bae8 JB |
9017 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold); |
9018 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis); | |
9019 | nla_nest_end(msg, cqm); | |
21270bb4 | 9020 | |
f0494d0f | 9021 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
b625473c JM |
9022 | msg = NULL; |
9023 | ||
9024 | nla_put_failure: | |
b625473c | 9025 | nlmsg_free(msg); |
f0494d0f | 9026 | return ret; |
b625473c JM |
9027 | } |
9028 | ||
9029 | ||
1c5c7273 PS |
9030 | static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si) |
9031 | { | |
9032 | struct i802_bss *bss = priv; | |
9033 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9034 | int res; | |
9035 | ||
9036 | os_memset(si, 0, sizeof(*si)); | |
9037 | res = nl80211_get_link_signal(drv, si); | |
9038 | if (res != 0) | |
9039 | return res; | |
9040 | ||
9041 | return nl80211_get_link_noise(drv, si); | |
9042 | } | |
9043 | ||
9044 | ||
57ebba59 JJ |
9045 | static int wpa_driver_nl80211_shared_freq(void *priv) |
9046 | { | |
9047 | struct i802_bss *bss = priv; | |
9048 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9049 | struct wpa_driver_nl80211_data *driver; | |
9050 | int freq = 0; | |
9051 | ||
9052 | /* | |
9053 | * If the same PHY is in connected state with some other interface, | |
9054 | * then retrieve the assoc freq. | |
9055 | */ | |
9056 | wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s", | |
9057 | drv->phyname); | |
9058 | ||
9059 | dl_list_for_each(driver, &drv->global->interfaces, | |
9060 | struct wpa_driver_nl80211_data, list) { | |
9061 | if (drv == driver || | |
9062 | os_strcmp(drv->phyname, driver->phyname) != 0 || | |
9063 | !driver->associated) | |
9064 | continue; | |
9065 | ||
9066 | wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s " | |
9067 | MACSTR, | |
9068 | driver->phyname, driver->first_bss.ifname, | |
341eebee | 9069 | MAC2STR(driver->first_bss.addr)); |
d3bd0f05 JJ |
9070 | if (is_ap_interface(driver->nlmode)) |
9071 | freq = driver->first_bss.freq; | |
9072 | else | |
9073 | freq = nl80211_get_assoc_freq(driver); | |
57ebba59 JJ |
9074 | wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d", |
9075 | drv->phyname, freq); | |
9076 | } | |
9077 | ||
9078 | if (!freq) | |
9079 | wpa_printf(MSG_DEBUG, "nl80211: No shared interface for " | |
9080 | "PHY (%s) in associated state", drv->phyname); | |
9081 | ||
9082 | return freq; | |
9083 | } | |
9084 | ||
9085 | ||
b91ab76e JM |
9086 | static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len, |
9087 | int encrypt) | |
9088 | { | |
9089 | struct i802_bss *bss = priv; | |
55231068 JM |
9090 | return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0, |
9091 | 0, 0, 0, 0); | |
b91ab76e JM |
9092 | } |
9093 | ||
9094 | ||
c55f774d JM |
9095 | static int nl80211_set_param(void *priv, const char *param) |
9096 | { | |
c55f774d JM |
9097 | wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param); |
9098 | if (param == NULL) | |
9099 | return 0; | |
9100 | ||
9101 | #ifdef CONFIG_P2P | |
9102 | if (os_strstr(param, "use_p2p_group_interface=1")) { | |
482856c8 JM |
9103 | struct i802_bss *bss = priv; |
9104 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9105 | ||
c55f774d JM |
9106 | wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " |
9107 | "interface"); | |
9108 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; | |
9109 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; | |
9110 | } | |
9111 | #endif /* CONFIG_P2P */ | |
9112 | ||
9113 | return 0; | |
9114 | } | |
9115 | ||
9116 | ||
f2ed8023 JM |
9117 | static void * nl80211_global_init(void) |
9118 | { | |
9119 | struct nl80211_global *global; | |
36d84860 BG |
9120 | struct netlink_config *cfg; |
9121 | ||
f2ed8023 JM |
9122 | global = os_zalloc(sizeof(*global)); |
9123 | if (global == NULL) | |
9124 | return NULL; | |
c81eff1a | 9125 | global->ioctl_sock = -1; |
f2ed8023 | 9126 | dl_list_init(&global->interfaces); |
ff6a158b | 9127 | global->if_add_ifindex = -1; |
36d84860 BG |
9128 | |
9129 | cfg = os_zalloc(sizeof(*cfg)); | |
9130 | if (cfg == NULL) | |
9131 | goto err; | |
9132 | ||
9133 | cfg->ctx = global; | |
9134 | cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink; | |
9135 | cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink; | |
9136 | global->netlink = netlink_init(cfg); | |
9137 | if (global->netlink == NULL) { | |
9138 | os_free(cfg); | |
9139 | goto err; | |
9140 | } | |
9141 | ||
2a7b66f5 BG |
9142 | if (wpa_driver_nl80211_init_nl_global(global) < 0) |
9143 | goto err; | |
9144 | ||
c81eff1a BG |
9145 | global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); |
9146 | if (global->ioctl_sock < 0) { | |
9147 | perror("socket(PF_INET,SOCK_DGRAM)"); | |
9148 | goto err; | |
9149 | } | |
9150 | ||
f2ed8023 | 9151 | return global; |
36d84860 BG |
9152 | |
9153 | err: | |
9154 | nl80211_global_deinit(global); | |
9155 | return NULL; | |
f2ed8023 JM |
9156 | } |
9157 | ||
9158 | ||
9159 | static void nl80211_global_deinit(void *priv) | |
9160 | { | |
9161 | struct nl80211_global *global = priv; | |
9162 | if (global == NULL) | |
9163 | return; | |
9164 | if (!dl_list_empty(&global->interfaces)) { | |
9165 | wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at " | |
9166 | "nl80211_global_deinit", | |
9167 | dl_list_len(&global->interfaces)); | |
9168 | } | |
36d84860 BG |
9169 | |
9170 | if (global->netlink) | |
9171 | netlink_deinit(global->netlink); | |
9172 | ||
276e2d67 BG |
9173 | nl_destroy_handles(&global->nl); |
9174 | ||
481234cf | 9175 | if (global->nl_event) { |
d6c9aab8 | 9176 | eloop_unregister_read_sock( |
481234cf | 9177 | nl_socket_get_fd(global->nl_event)); |
d6c9aab8 JB |
9178 | nl_destroy_handles(&global->nl_event); |
9179 | } | |
9180 | ||
9181 | nl_cb_put(global->nl_cb); | |
2a7b66f5 | 9182 | |
c81eff1a BG |
9183 | if (global->ioctl_sock >= 0) |
9184 | close(global->ioctl_sock); | |
9185 | ||
f2ed8023 JM |
9186 | os_free(global); |
9187 | } | |
9188 | ||
9189 | ||
6859f1cb BG |
9190 | static const char * nl80211_get_radio_name(void *priv) |
9191 | { | |
9192 | struct i802_bss *bss = priv; | |
9193 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9194 | return drv->phyname; | |
9195 | } | |
9196 | ||
9197 | ||
a6efc65d JM |
9198 | static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid, |
9199 | const u8 *pmkid) | |
9200 | { | |
9201 | struct nl_msg *msg; | |
9202 | ||
9203 | msg = nlmsg_alloc(); | |
9204 | if (!msg) | |
9205 | return -ENOMEM; | |
9206 | ||
9fb04070 | 9207 | nl80211_cmd(bss->drv, msg, 0, cmd); |
a6efc65d JM |
9208 | |
9209 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); | |
9210 | if (pmkid) | |
9211 | NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid); | |
9212 | if (bssid) | |
9213 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
9214 | ||
9215 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
9216 | nla_put_failure: | |
9e088e74 | 9217 | nlmsg_free(msg); |
a6efc65d JM |
9218 | return -ENOBUFS; |
9219 | } | |
9220 | ||
9221 | ||
9222 | static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) | |
9223 | { | |
9224 | struct i802_bss *bss = priv; | |
9225 | wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid)); | |
9226 | return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid); | |
9227 | } | |
9228 | ||
9229 | ||
9230 | static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) | |
9231 | { | |
9232 | struct i802_bss *bss = priv; | |
9233 | wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR, | |
9234 | MAC2STR(bssid)); | |
9235 | return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid); | |
9236 | } | |
9237 | ||
9238 | ||
9239 | static int nl80211_flush_pmkid(void *priv) | |
9240 | { | |
9241 | struct i802_bss *bss = priv; | |
9242 | wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs"); | |
9243 | return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL); | |
9244 | } | |
9245 | ||
9246 | ||
b14a210c JB |
9247 | static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck, |
9248 | const u8 *replay_ctr) | |
9249 | { | |
9250 | struct i802_bss *bss = priv; | |
9251 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9252 | struct nlattr *replay_nested; | |
9253 | struct nl_msg *msg; | |
9254 | ||
9255 | msg = nlmsg_alloc(); | |
9256 | if (!msg) | |
9257 | return; | |
9258 | ||
9fb04070 | 9259 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD); |
b14a210c JB |
9260 | |
9261 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
9262 | ||
9263 | replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
9264 | if (!replay_nested) | |
9265 | goto nla_put_failure; | |
9266 | ||
9267 | NLA_PUT(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek); | |
9268 | NLA_PUT(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck); | |
9269 | NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN, | |
9270 | replay_ctr); | |
9271 | ||
9272 | nla_nest_end(msg, replay_nested); | |
9273 | ||
9274 | send_and_recv_msgs(drv, msg, NULL, NULL); | |
9275 | return; | |
9276 | nla_put_failure: | |
9277 | nlmsg_free(msg); | |
9278 | } | |
9279 | ||
9280 | ||
39718852 JB |
9281 | static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr, |
9282 | const u8 *addr, int qos) | |
bcf24348 | 9283 | { |
39718852 JB |
9284 | /* send data frame to poll STA and check whether |
9285 | * this frame is ACKed */ | |
bcf24348 JB |
9286 | struct { |
9287 | struct ieee80211_hdr hdr; | |
9288 | u16 qos_ctl; | |
9289 | } STRUCT_PACKED nulldata; | |
9290 | size_t size; | |
9291 | ||
9292 | /* Send data frame to poll STA and check whether this frame is ACKed */ | |
9293 | ||
9294 | os_memset(&nulldata, 0, sizeof(nulldata)); | |
9295 | ||
9296 | if (qos) { | |
9297 | nulldata.hdr.frame_control = | |
9298 | IEEE80211_FC(WLAN_FC_TYPE_DATA, | |
9299 | WLAN_FC_STYPE_QOS_NULL); | |
9300 | size = sizeof(nulldata); | |
9301 | } else { | |
9302 | nulldata.hdr.frame_control = | |
9303 | IEEE80211_FC(WLAN_FC_TYPE_DATA, | |
9304 | WLAN_FC_STYPE_NULLFUNC); | |
9305 | size = sizeof(struct ieee80211_hdr); | |
9306 | } | |
9307 | ||
9308 | nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS); | |
9309 | os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN); | |
9310 | os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); | |
9311 | os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); | |
9312 | ||
9ebce9c5 JM |
9313 | if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0, |
9314 | 0, 0) < 0) | |
bcf24348 JB |
9315 | wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to " |
9316 | "send poll frame"); | |
9317 | } | |
9318 | ||
39718852 JB |
9319 | static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr, |
9320 | int qos) | |
9321 | { | |
9322 | struct i802_bss *bss = priv; | |
9323 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9324 | struct nl_msg *msg; | |
9325 | ||
9326 | if (!drv->poll_command_supported) { | |
9327 | nl80211_send_null_frame(bss, own_addr, addr, qos); | |
9328 | return; | |
9329 | } | |
9330 | ||
9331 | msg = nlmsg_alloc(); | |
9332 | if (!msg) | |
9333 | return; | |
9334 | ||
9335 | nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT); | |
9336 | ||
9337 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
9338 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
9339 | ||
9340 | send_and_recv_msgs(drv, msg, NULL, NULL); | |
9341 | return; | |
9342 | nla_put_failure: | |
9343 | nlmsg_free(msg); | |
9344 | } | |
9345 | ||
bcf24348 | 9346 | |
29f338af JM |
9347 | static int nl80211_set_power_save(struct i802_bss *bss, int enabled) |
9348 | { | |
9349 | struct nl_msg *msg; | |
9350 | ||
9351 | msg = nlmsg_alloc(); | |
9352 | if (!msg) | |
9353 | return -ENOMEM; | |
9354 | ||
9355 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE); | |
9356 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
9357 | NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, | |
9358 | enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED); | |
9359 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
9360 | nla_put_failure: | |
9361 | nlmsg_free(msg); | |
9362 | return -ENOBUFS; | |
9363 | } | |
9364 | ||
9365 | ||
9366 | static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps, | |
9367 | int ctwindow) | |
9368 | { | |
9369 | struct i802_bss *bss = priv; | |
9370 | ||
9371 | wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d " | |
9372 | "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow); | |
9373 | ||
9374 | if (opp_ps != -1 || ctwindow != -1) | |
9375 | return -1; /* Not yet supported */ | |
9376 | ||
9377 | if (legacy_ps == -1) | |
9378 | return 0; | |
9379 | if (legacy_ps != 0 && legacy_ps != 1) | |
9380 | return -1; /* Not yet supported */ | |
9381 | ||
9382 | return nl80211_set_power_save(bss, legacy_ps); | |
9383 | } | |
9384 | ||
9385 | ||
03ea1786 AN |
9386 | #ifdef CONFIG_TDLS |
9387 | ||
9388 | static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code, | |
9389 | u8 dialog_token, u16 status_code, | |
9390 | const u8 *buf, size_t len) | |
9391 | { | |
9392 | struct i802_bss *bss = priv; | |
9393 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9394 | struct nl_msg *msg; | |
9395 | ||
9396 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
9397 | return -EOPNOTSUPP; | |
9398 | ||
9399 | if (!dst) | |
9400 | return -EINVAL; | |
9401 | ||
9402 | msg = nlmsg_alloc(); | |
9403 | if (!msg) | |
9404 | return -ENOMEM; | |
9405 | ||
9406 | nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_MGMT); | |
9407 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
9408 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); | |
9409 | NLA_PUT_U8(msg, NL80211_ATTR_TDLS_ACTION, action_code); | |
9410 | NLA_PUT_U8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token); | |
9411 | NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status_code); | |
9412 | NLA_PUT(msg, NL80211_ATTR_IE, len, buf); | |
9413 | ||
9414 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
9415 | ||
9416 | nla_put_failure: | |
9417 | nlmsg_free(msg); | |
9418 | return -ENOBUFS; | |
9419 | } | |
9420 | ||
9421 | ||
9422 | static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer) | |
9423 | { | |
9424 | struct i802_bss *bss = priv; | |
9425 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9426 | struct nl_msg *msg; | |
9427 | enum nl80211_tdls_operation nl80211_oper; | |
9428 | ||
9429 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
9430 | return -EOPNOTSUPP; | |
9431 | ||
9432 | switch (oper) { | |
9433 | case TDLS_DISCOVERY_REQ: | |
9434 | nl80211_oper = NL80211_TDLS_DISCOVERY_REQ; | |
9435 | break; | |
9436 | case TDLS_SETUP: | |
9437 | nl80211_oper = NL80211_TDLS_SETUP; | |
9438 | break; | |
9439 | case TDLS_TEARDOWN: | |
9440 | nl80211_oper = NL80211_TDLS_TEARDOWN; | |
9441 | break; | |
9442 | case TDLS_ENABLE_LINK: | |
9443 | nl80211_oper = NL80211_TDLS_ENABLE_LINK; | |
9444 | break; | |
9445 | case TDLS_DISABLE_LINK: | |
9446 | nl80211_oper = NL80211_TDLS_DISABLE_LINK; | |
9447 | break; | |
9448 | case TDLS_ENABLE: | |
9449 | return 0; | |
9450 | case TDLS_DISABLE: | |
9451 | return 0; | |
9452 | default: | |
9453 | return -EINVAL; | |
9454 | } | |
9455 | ||
9456 | msg = nlmsg_alloc(); | |
9457 | if (!msg) | |
9458 | return -ENOMEM; | |
9459 | ||
9460 | nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_OPER); | |
9461 | NLA_PUT_U8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper); | |
9462 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
9463 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); | |
9464 | ||
9465 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
9466 | ||
9467 | nla_put_failure: | |
9468 | nlmsg_free(msg); | |
9469 | return -ENOBUFS; | |
9470 | } | |
9471 | ||
9472 | #endif /* CONFIG TDLS */ | |
9473 | ||
9474 | ||
216eede8 DS |
9475 | #ifdef ANDROID |
9476 | ||
9477 | typedef struct android_wifi_priv_cmd { | |
9478 | char *buf; | |
9479 | int used_len; | |
9480 | int total_len; | |
9481 | } android_wifi_priv_cmd; | |
9482 | ||
9483 | static int drv_errors = 0; | |
9484 | ||
9485 | static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv) | |
9486 | { | |
9487 | drv_errors++; | |
9488 | if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) { | |
9489 | drv_errors = 0; | |
9490 | wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED"); | |
9491 | } | |
9492 | } | |
9493 | ||
9494 | ||
9495 | static int android_priv_cmd(struct i802_bss *bss, const char *cmd) | |
9496 | { | |
9497 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9498 | struct ifreq ifr; | |
9499 | android_wifi_priv_cmd priv_cmd; | |
9500 | char buf[MAX_DRV_CMD_SIZE]; | |
9501 | int ret; | |
9502 | ||
9503 | os_memset(&ifr, 0, sizeof(ifr)); | |
9504 | os_memset(&priv_cmd, 0, sizeof(priv_cmd)); | |
9505 | os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ); | |
9506 | ||
9507 | os_memset(buf, 0, sizeof(buf)); | |
9508 | os_strlcpy(buf, cmd, sizeof(buf)); | |
9509 | ||
9510 | priv_cmd.buf = buf; | |
9511 | priv_cmd.used_len = sizeof(buf); | |
9512 | priv_cmd.total_len = sizeof(buf); | |
9513 | ifr.ifr_data = &priv_cmd; | |
9514 | ||
9515 | ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr); | |
9516 | if (ret < 0) { | |
9517 | wpa_printf(MSG_ERROR, "%s: failed to issue private commands", | |
9518 | __func__); | |
9519 | wpa_driver_send_hang_msg(drv); | |
9520 | return ret; | |
9521 | } | |
9522 | ||
9523 | drv_errors = 0; | |
9524 | return 0; | |
9525 | } | |
9526 | ||
9527 | ||
9528 | static int android_pno_start(struct i802_bss *bss, | |
9529 | struct wpa_driver_scan_params *params) | |
9530 | { | |
9531 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9532 | struct ifreq ifr; | |
9533 | android_wifi_priv_cmd priv_cmd; | |
9534 | int ret = 0, i = 0, bp; | |
9535 | char buf[WEXT_PNO_MAX_COMMAND_SIZE]; | |
9536 | ||
9537 | bp = WEXT_PNOSETUP_HEADER_SIZE; | |
9538 | os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp); | |
9539 | buf[bp++] = WEXT_PNO_TLV_PREFIX; | |
9540 | buf[bp++] = WEXT_PNO_TLV_VERSION; | |
9541 | buf[bp++] = WEXT_PNO_TLV_SUBVERSION; | |
9542 | buf[bp++] = WEXT_PNO_TLV_RESERVED; | |
9543 | ||
9544 | while (i < WEXT_PNO_AMOUNT && (size_t) i < params->num_ssids) { | |
9545 | /* Check that there is enough space needed for 1 more SSID, the | |
9546 | * other sections and null termination */ | |
9547 | if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN + | |
9548 | WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int) sizeof(buf)) | |
9549 | break; | |
9550 | wpa_hexdump_ascii(MSG_DEBUG, "For PNO Scan", | |
a97bde0a JM |
9551 | params->ssids[i].ssid, |
9552 | params->ssids[i].ssid_len); | |
216eede8 DS |
9553 | buf[bp++] = WEXT_PNO_SSID_SECTION; |
9554 | buf[bp++] = params->ssids[i].ssid_len; | |
9555 | os_memcpy(&buf[bp], params->ssids[i].ssid, | |
9556 | params->ssids[i].ssid_len); | |
9557 | bp += params->ssids[i].ssid_len; | |
9558 | i++; | |
9559 | } | |
9560 | ||
9561 | buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION; | |
9562 | os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x", | |
9563 | WEXT_PNO_SCAN_INTERVAL); | |
9564 | bp += WEXT_PNO_SCAN_INTERVAL_LENGTH; | |
9565 | ||
9566 | buf[bp++] = WEXT_PNO_REPEAT_SECTION; | |
9567 | os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x", | |
9568 | WEXT_PNO_REPEAT); | |
9569 | bp += WEXT_PNO_REPEAT_LENGTH; | |
9570 | ||
9571 | buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION; | |
9572 | os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x", | |
9573 | WEXT_PNO_MAX_REPEAT); | |
9574 | bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1; | |
9575 | ||
9576 | memset(&ifr, 0, sizeof(ifr)); | |
9577 | memset(&priv_cmd, 0, sizeof(priv_cmd)); | |
9578 | os_strncpy(ifr.ifr_name, bss->ifname, IFNAMSIZ); | |
9579 | ||
9580 | priv_cmd.buf = buf; | |
9581 | priv_cmd.used_len = bp; | |
9582 | priv_cmd.total_len = bp; | |
9583 | ifr.ifr_data = &priv_cmd; | |
9584 | ||
9585 | ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr); | |
9586 | ||
9587 | if (ret < 0) { | |
9588 | wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d", | |
9589 | ret); | |
9590 | wpa_driver_send_hang_msg(drv); | |
9591 | return ret; | |
9592 | } | |
9593 | ||
9594 | drv_errors = 0; | |
9595 | ||
9596 | return android_priv_cmd(bss, "PNOFORCE 1"); | |
9597 | } | |
9598 | ||
9599 | ||
9600 | static int android_pno_stop(struct i802_bss *bss) | |
9601 | { | |
9602 | return android_priv_cmd(bss, "PNOFORCE 0"); | |
9603 | } | |
9604 | ||
9605 | #endif /* ANDROID */ | |
9606 | ||
9607 | ||
9ebce9c5 JM |
9608 | static int driver_nl80211_set_key(const char *ifname, void *priv, |
9609 | enum wpa_alg alg, const u8 *addr, | |
9610 | int key_idx, int set_tx, | |
9611 | const u8 *seq, size_t seq_len, | |
9612 | const u8 *key, size_t key_len) | |
9613 | { | |
9614 | struct i802_bss *bss = priv; | |
9615 | return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx, | |
9616 | set_tx, seq, seq_len, key, key_len); | |
9617 | } | |
9618 | ||
9619 | ||
9620 | static int driver_nl80211_scan2(void *priv, | |
9621 | struct wpa_driver_scan_params *params) | |
9622 | { | |
9623 | struct i802_bss *bss = priv; | |
9624 | return wpa_driver_nl80211_scan(bss, params); | |
9625 | } | |
9626 | ||
9627 | ||
9628 | static int driver_nl80211_deauthenticate(void *priv, const u8 *addr, | |
9629 | int reason_code) | |
9630 | { | |
9631 | struct i802_bss *bss = priv; | |
9632 | return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code); | |
9633 | } | |
9634 | ||
9635 | ||
9636 | static int driver_nl80211_authenticate(void *priv, | |
9637 | struct wpa_driver_auth_params *params) | |
9638 | { | |
9639 | struct i802_bss *bss = priv; | |
9640 | return wpa_driver_nl80211_authenticate(bss, params); | |
9641 | } | |
9642 | ||
9643 | ||
9644 | static void driver_nl80211_deinit(void *priv) | |
9645 | { | |
9646 | struct i802_bss *bss = priv; | |
9647 | wpa_driver_nl80211_deinit(bss); | |
9648 | } | |
9649 | ||
9650 | ||
9651 | static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type, | |
9652 | const char *ifname) | |
9653 | { | |
9654 | struct i802_bss *bss = priv; | |
9655 | return wpa_driver_nl80211_if_remove(bss, type, ifname); | |
9656 | } | |
9657 | ||
9658 | ||
9659 | static int driver_nl80211_send_mlme(void *priv, const u8 *data, | |
9660 | size_t data_len, int noack) | |
9661 | { | |
9662 | struct i802_bss *bss = priv; | |
9663 | return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack, | |
9664 | 0, 0, 0, 0); | |
9665 | } | |
9666 | ||
9667 | ||
9668 | static int driver_nl80211_sta_remove(void *priv, const u8 *addr) | |
9669 | { | |
9670 | struct i802_bss *bss = priv; | |
9671 | return wpa_driver_nl80211_sta_remove(bss, addr); | |
9672 | } | |
9673 | ||
9674 | ||
9675 | #if defined(HOSTAPD) || defined(CONFIG_AP) | |
9676 | static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr, | |
9677 | const char *ifname, int vlan_id) | |
9678 | { | |
9679 | struct i802_bss *bss = priv; | |
9680 | return i802_set_sta_vlan(bss, addr, ifname, vlan_id); | |
9681 | } | |
9682 | #endif /* HOSTAPD || CONFIG_AP */ | |
9683 | ||
9684 | ||
9685 | static int driver_nl80211_read_sta_data(void *priv, | |
9686 | struct hostap_sta_driver_data *data, | |
9687 | const u8 *addr) | |
9688 | { | |
9689 | struct i802_bss *bss = priv; | |
9690 | return i802_read_sta_data(bss, data, addr); | |
9691 | } | |
9692 | ||
9693 | ||
9694 | static int driver_nl80211_send_action(void *priv, unsigned int freq, | |
9695 | unsigned int wait_time, | |
9696 | const u8 *dst, const u8 *src, | |
9697 | const u8 *bssid, | |
9698 | const u8 *data, size_t data_len, | |
9699 | int no_cck) | |
9700 | { | |
9701 | struct i802_bss *bss = priv; | |
9702 | return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src, | |
9703 | bssid, data, data_len, no_cck); | |
9704 | } | |
9705 | ||
9706 | ||
9707 | static int driver_nl80211_probe_req_report(void *priv, int report) | |
9708 | { | |
9709 | struct i802_bss *bss = priv; | |
9710 | return wpa_driver_nl80211_probe_req_report(bss, report); | |
9711 | } | |
9712 | ||
9713 | ||
6a1ce395 DG |
9714 | static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md, |
9715 | const u8 *ies, size_t ies_len) | |
9716 | { | |
9717 | int ret; | |
9718 | struct nl_msg *msg; | |
9719 | struct i802_bss *bss = priv; | |
9720 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9721 | u16 mdid = WPA_GET_LE16(md); | |
9722 | ||
9723 | msg = nlmsg_alloc(); | |
9724 | if (!msg) | |
9725 | return -ENOMEM; | |
9726 | ||
9727 | wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs"); | |
9728 | nl80211_cmd(drv, msg, 0, NL80211_CMD_UPDATE_FT_IES); | |
9729 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
9730 | NLA_PUT(msg, NL80211_ATTR_IE, ies_len, ies); | |
9731 | NLA_PUT_U16(msg, NL80211_ATTR_MDID, mdid); | |
9732 | ||
9733 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9734 | if (ret) { | |
9735 | wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed " | |
9736 | "err=%d (%s)", ret, strerror(-ret)); | |
9737 | } | |
9738 | ||
9739 | return ret; | |
9740 | ||
9741 | nla_put_failure: | |
9742 | nlmsg_free(msg); | |
9743 | return -ENOBUFS; | |
9744 | } | |
9745 | ||
9746 | ||
3f5285e8 JM |
9747 | const struct wpa_driver_ops wpa_driver_nl80211_ops = { |
9748 | .name = "nl80211", | |
9749 | .desc = "Linux nl80211/cfg80211", | |
9750 | .get_bssid = wpa_driver_nl80211_get_bssid, | |
9751 | .get_ssid = wpa_driver_nl80211_get_ssid, | |
9ebce9c5 JM |
9752 | .set_key = driver_nl80211_set_key, |
9753 | .scan2 = driver_nl80211_scan2, | |
d21c63b9 LC |
9754 | .sched_scan = wpa_driver_nl80211_sched_scan, |
9755 | .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan, | |
3f5285e8 | 9756 | .get_scan_results2 = wpa_driver_nl80211_get_scan_results, |
9ebce9c5 JM |
9757 | .deauthenticate = driver_nl80211_deauthenticate, |
9758 | .authenticate = driver_nl80211_authenticate, | |
3f5285e8 | 9759 | .associate = wpa_driver_nl80211_associate, |
f2ed8023 JM |
9760 | .global_init = nl80211_global_init, |
9761 | .global_deinit = nl80211_global_deinit, | |
9762 | .init2 = wpa_driver_nl80211_init, | |
9ebce9c5 | 9763 | .deinit = driver_nl80211_deinit, |
3f5285e8 JM |
9764 | .get_capa = wpa_driver_nl80211_get_capa, |
9765 | .set_operstate = wpa_driver_nl80211_set_operstate, | |
01652550 | 9766 | .set_supp_port = wpa_driver_nl80211_set_supp_port, |
6d158490 | 9767 | .set_country = wpa_driver_nl80211_set_country, |
19c3b566 | 9768 | .set_ap = wpa_driver_nl80211_set_ap, |
22a7c9d7 | 9769 | .if_add = wpa_driver_nl80211_if_add, |
9ebce9c5 JM |
9770 | .if_remove = driver_nl80211_if_remove, |
9771 | .send_mlme = driver_nl80211_send_mlme, | |
c3965310 | 9772 | .get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data, |
0f4e8b4f | 9773 | .sta_add = wpa_driver_nl80211_sta_add, |
9ebce9c5 | 9774 | .sta_remove = driver_nl80211_sta_remove, |
db149ac9 | 9775 | .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol, |
a8d6ffa4 | 9776 | .sta_set_flags = wpa_driver_nl80211_sta_set_flags, |
c5121837 JM |
9777 | #ifdef HOSTAPD |
9778 | .hapd_init = i802_init, | |
c5121837 | 9779 | .hapd_deinit = i802_deinit, |
f7b3920c JM |
9780 | .set_wds_sta = i802_set_wds_sta, |
9781 | #endif /* HOSTAPD */ | |
9782 | #if defined(HOSTAPD) || defined(CONFIG_AP) | |
c5121837 JM |
9783 | .get_seqnum = i802_get_seqnum, |
9784 | .flush = i802_flush, | |
c5121837 JM |
9785 | .get_inact_sec = i802_get_inact_sec, |
9786 | .sta_clear_stats = i802_sta_clear_stats, | |
c5121837 JM |
9787 | .set_rts = i802_set_rts, |
9788 | .set_frag = i802_set_frag, | |
c5121837 | 9789 | .set_tx_queue_params = i802_set_tx_queue_params, |
9ebce9c5 | 9790 | .set_sta_vlan = driver_nl80211_set_sta_vlan, |
ee7ab173 JB |
9791 | .sta_deauth = i802_sta_deauth, |
9792 | .sta_disassoc = i802_sta_disassoc, | |
9793 | #endif /* HOSTAPD || CONFIG_AP */ | |
9ebce9c5 | 9794 | .read_sta_data = driver_nl80211_read_sta_data, |
e3802622 | 9795 | .set_freq = i802_set_freq, |
9ebce9c5 | 9796 | .send_action = driver_nl80211_send_action, |
5dfca53f | 9797 | .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait, |
55777702 JM |
9798 | .remain_on_channel = wpa_driver_nl80211_remain_on_channel, |
9799 | .cancel_remain_on_channel = | |
9800 | wpa_driver_nl80211_cancel_remain_on_channel, | |
9ebce9c5 | 9801 | .probe_req_report = driver_nl80211_probe_req_report, |
af473088 | 9802 | .deinit_ap = wpa_driver_nl80211_deinit_ap, |
3c29244e | 9803 | .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli, |
207ef3fb | 9804 | .resume = wpa_driver_nl80211_resume, |
7b90c16a | 9805 | .send_ft_action = nl80211_send_ft_action, |
b625473c | 9806 | .signal_monitor = nl80211_signal_monitor, |
1c5c7273 | 9807 | .signal_poll = nl80211_signal_poll, |
b91ab76e | 9808 | .send_frame = nl80211_send_frame, |
57ebba59 | 9809 | .shared_freq = wpa_driver_nl80211_shared_freq, |
c55f774d | 9810 | .set_param = nl80211_set_param, |
6859f1cb | 9811 | .get_radio_name = nl80211_get_radio_name, |
a6efc65d JM |
9812 | .add_pmkid = nl80211_add_pmkid, |
9813 | .remove_pmkid = nl80211_remove_pmkid, | |
9814 | .flush_pmkid = nl80211_flush_pmkid, | |
b14a210c | 9815 | .set_rekey_info = nl80211_set_rekey_info, |
bcf24348 | 9816 | .poll_client = nl80211_poll_client, |
29f338af | 9817 | .set_p2p_powersave = nl80211_set_p2p_powersave, |
03ea1786 AN |
9818 | #ifdef CONFIG_TDLS |
9819 | .send_tdls_mgmt = nl80211_send_tdls_mgmt, | |
9820 | .tdls_oper = nl80211_tdls_oper, | |
9821 | #endif /* CONFIG_TDLS */ | |
6a1ce395 | 9822 | .update_ft_ies = wpa_driver_nl80211_update_ft_ies, |
3f5285e8 | 9823 | }; |