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1 | /* | |
2 | * Driver interaction with Linux nl80211/cfg80211 | |
3 | * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi> | |
4 | * Copyright (c) 2003-2004, Instant802 Networks, Inc. | |
5 | * Copyright (c) 2005-2006, Devicescape Software, Inc. | |
6 | * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> | |
7 | * Copyright (c) 2009-2010, Atheros Communications | |
8 | * | |
9 | * This software may be distributed under the terms of the BSD license. | |
10 | * See README for more details. | |
11 | */ | |
12 | ||
13 | #include "includes.h" | |
14 | #include <sys/types.h> | |
15 | #include <fcntl.h> | |
16 | #include <net/if.h> | |
17 | #include <netlink/genl/genl.h> | |
18 | #include <netlink/genl/ctrl.h> | |
19 | #ifdef CONFIG_LIBNL3_ROUTE | |
20 | #include <netlink/route/neighbour.h> | |
21 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
22 | #include <linux/rtnetlink.h> | |
23 | #include <netpacket/packet.h> | |
24 | #include <linux/errqueue.h> | |
25 | ||
26 | #include "common.h" | |
27 | #include "eloop.h" | |
28 | #include "common/qca-vendor.h" | |
29 | #include "common/qca-vendor-attr.h" | |
30 | #include "common/ieee802_11_defs.h" | |
31 | #include "common/ieee802_11_common.h" | |
32 | #include "l2_packet/l2_packet.h" | |
33 | #include "netlink.h" | |
34 | #include "linux_defines.h" | |
35 | #include "linux_ioctl.h" | |
36 | #include "radiotap.h" | |
37 | #include "radiotap_iter.h" | |
38 | #include "rfkill.h" | |
39 | #include "driver_nl80211.h" | |
40 | ||
41 | ||
42 | #ifndef CONFIG_LIBNL20 | |
43 | /* | |
44 | * libnl 1.1 has a bug, it tries to allocate socket numbers densely | |
45 | * but when you free a socket again it will mess up its bitmap and | |
46 | * and use the wrong number the next time it needs a socket ID. | |
47 | * Therefore, we wrap the handle alloc/destroy and add our own pid | |
48 | * accounting. | |
49 | */ | |
50 | static uint32_t port_bitmap[32] = { 0 }; | |
51 | ||
52 | static struct nl_handle *nl80211_handle_alloc(void *cb) | |
53 | { | |
54 | struct nl_handle *handle; | |
55 | uint32_t pid = getpid() & 0x3FFFFF; | |
56 | int i; | |
57 | ||
58 | handle = nl_handle_alloc_cb(cb); | |
59 | ||
60 | for (i = 0; i < 1024; i++) { | |
61 | if (port_bitmap[i / 32] & (1 << (i % 32))) | |
62 | continue; | |
63 | port_bitmap[i / 32] |= 1 << (i % 32); | |
64 | pid += i << 22; | |
65 | break; | |
66 | } | |
67 | ||
68 | nl_socket_set_local_port(handle, pid); | |
69 | ||
70 | return handle; | |
71 | } | |
72 | ||
73 | static void nl80211_handle_destroy(struct nl_handle *handle) | |
74 | { | |
75 | uint32_t port = nl_socket_get_local_port(handle); | |
76 | ||
77 | port >>= 22; | |
78 | port_bitmap[port / 32] &= ~(1 << (port % 32)); | |
79 | ||
80 | nl_handle_destroy(handle); | |
81 | } | |
82 | #endif /* CONFIG_LIBNL20 */ | |
83 | ||
84 | ||
85 | #ifdef ANDROID | |
86 | /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */ | |
87 | #undef nl_socket_set_nonblocking | |
88 | #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h) | |
89 | ||
90 | #endif /* ANDROID */ | |
91 | ||
92 | ||
93 | static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg) | |
94 | { | |
95 | struct nl_handle *handle; | |
96 | ||
97 | handle = nl80211_handle_alloc(cb); | |
98 | if (handle == NULL) { | |
99 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " | |
100 | "callbacks (%s)", dbg); | |
101 | return NULL; | |
102 | } | |
103 | ||
104 | if (genl_connect(handle)) { | |
105 | wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic " | |
106 | "netlink (%s)", dbg); | |
107 | nl80211_handle_destroy(handle); | |
108 | return NULL; | |
109 | } | |
110 | ||
111 | return handle; | |
112 | } | |
113 | ||
114 | ||
115 | static void nl_destroy_handles(struct nl_handle **handle) | |
116 | { | |
117 | if (*handle == NULL) | |
118 | return; | |
119 | nl80211_handle_destroy(*handle); | |
120 | *handle = NULL; | |
121 | } | |
122 | ||
123 | ||
124 | #if __WORDSIZE == 64 | |
125 | #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL | |
126 | #else | |
127 | #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL | |
128 | #endif | |
129 | ||
130 | static void nl80211_register_eloop_read(struct nl_handle **handle, | |
131 | eloop_sock_handler handler, | |
132 | void *eloop_data) | |
133 | { | |
134 | #ifdef CONFIG_LIBNL20 | |
135 | /* | |
136 | * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB) | |
137 | * by default. It is possible to hit that limit in some cases where | |
138 | * operations are blocked, e.g., with a burst of Deauthentication frames | |
139 | * to hostapd and STA entry deletion. Try to increase the buffer to make | |
140 | * this less likely to occur. | |
141 | */ | |
142 | if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) { | |
143 | wpa_printf(MSG_DEBUG, | |
144 | "nl80211: Could not set nl_socket RX buffer size: %s", | |
145 | strerror(errno)); | |
146 | /* continue anyway with the default (smaller) buffer */ | |
147 | } | |
148 | #endif /* CONFIG_LIBNL20 */ | |
149 | ||
150 | nl_socket_set_nonblocking(*handle); | |
151 | eloop_register_read_sock(nl_socket_get_fd(*handle), handler, | |
152 | eloop_data, *handle); | |
153 | *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID); | |
154 | } | |
155 | ||
156 | ||
157 | static void nl80211_destroy_eloop_handle(struct nl_handle **handle) | |
158 | { | |
159 | *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID); | |
160 | eloop_unregister_read_sock(nl_socket_get_fd(*handle)); | |
161 | nl_destroy_handles(handle); | |
162 | } | |
163 | ||
164 | ||
165 | static void nl80211_global_deinit(void *priv); | |
166 | static void nl80211_check_global(struct nl80211_global *global); | |
167 | ||
168 | static void wpa_driver_nl80211_deinit(struct i802_bss *bss); | |
169 | static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss, | |
170 | struct hostapd_freq_params *freq); | |
171 | ||
172 | static int | |
173 | wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv, | |
174 | const u8 *set_addr, int first, | |
175 | const char *driver_params); | |
176 | static int nl80211_send_frame_cmd(struct i802_bss *bss, | |
177 | unsigned int freq, unsigned int wait, | |
178 | const u8 *buf, size_t buf_len, u64 *cookie, | |
179 | int no_cck, int no_ack, int offchanok, | |
180 | const u16 *csa_offs, size_t csa_offs_len); | |
181 | static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, | |
182 | int report); | |
183 | ||
184 | #define IFIDX_ANY -1 | |
185 | ||
186 | static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
187 | int ifidx_reason); | |
188 | static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
189 | int ifidx_reason); | |
190 | static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
191 | int ifidx_reason); | |
192 | ||
193 | static int nl80211_set_channel(struct i802_bss *bss, | |
194 | struct hostapd_freq_params *freq, int set_chan); | |
195 | static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, | |
196 | int ifindex, int disabled); | |
197 | ||
198 | static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv, | |
199 | int reset_mode); | |
200 | ||
201 | static int i802_set_iface_flags(struct i802_bss *bss, int up); | |
202 | static int nl80211_set_param(void *priv, const char *param); | |
203 | ||
204 | ||
205 | /* Converts nl80211_chan_width to a common format */ | |
206 | enum chan_width convert2width(int width) | |
207 | { | |
208 | switch (width) { | |
209 | case NL80211_CHAN_WIDTH_20_NOHT: | |
210 | return CHAN_WIDTH_20_NOHT; | |
211 | case NL80211_CHAN_WIDTH_20: | |
212 | return CHAN_WIDTH_20; | |
213 | case NL80211_CHAN_WIDTH_40: | |
214 | return CHAN_WIDTH_40; | |
215 | case NL80211_CHAN_WIDTH_80: | |
216 | return CHAN_WIDTH_80; | |
217 | case NL80211_CHAN_WIDTH_80P80: | |
218 | return CHAN_WIDTH_80P80; | |
219 | case NL80211_CHAN_WIDTH_160: | |
220 | return CHAN_WIDTH_160; | |
221 | } | |
222 | return CHAN_WIDTH_UNKNOWN; | |
223 | } | |
224 | ||
225 | ||
226 | int is_ap_interface(enum nl80211_iftype nlmode) | |
227 | { | |
228 | return nlmode == NL80211_IFTYPE_AP || | |
229 | nlmode == NL80211_IFTYPE_P2P_GO; | |
230 | } | |
231 | ||
232 | ||
233 | int is_sta_interface(enum nl80211_iftype nlmode) | |
234 | { | |
235 | return nlmode == NL80211_IFTYPE_STATION || | |
236 | nlmode == NL80211_IFTYPE_P2P_CLIENT; | |
237 | } | |
238 | ||
239 | ||
240 | static int is_p2p_net_interface(enum nl80211_iftype nlmode) | |
241 | { | |
242 | return nlmode == NL80211_IFTYPE_P2P_CLIENT || | |
243 | nlmode == NL80211_IFTYPE_P2P_GO; | |
244 | } | |
245 | ||
246 | ||
247 | struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv, | |
248 | int ifindex) | |
249 | { | |
250 | struct i802_bss *bss; | |
251 | ||
252 | for (bss = drv->first_bss; bss; bss = bss->next) { | |
253 | if (bss->ifindex == ifindex) | |
254 | return bss; | |
255 | } | |
256 | ||
257 | return NULL; | |
258 | } | |
259 | ||
260 | ||
261 | static int is_mesh_interface(enum nl80211_iftype nlmode) | |
262 | { | |
263 | return nlmode == NL80211_IFTYPE_MESH_POINT; | |
264 | } | |
265 | ||
266 | ||
267 | void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv) | |
268 | { | |
269 | if (drv->associated) | |
270 | os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN); | |
271 | drv->associated = 0; | |
272 | os_memset(drv->bssid, 0, ETH_ALEN); | |
273 | } | |
274 | ||
275 | ||
276 | /* nl80211 code */ | |
277 | static int ack_handler(struct nl_msg *msg, void *arg) | |
278 | { | |
279 | int *err = arg; | |
280 | *err = 0; | |
281 | return NL_STOP; | |
282 | } | |
283 | ||
284 | static int finish_handler(struct nl_msg *msg, void *arg) | |
285 | { | |
286 | int *ret = arg; | |
287 | *ret = 0; | |
288 | return NL_SKIP; | |
289 | } | |
290 | ||
291 | static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err, | |
292 | void *arg) | |
293 | { | |
294 | int *ret = arg; | |
295 | *ret = err->error; | |
296 | return NL_SKIP; | |
297 | } | |
298 | ||
299 | ||
300 | static int no_seq_check(struct nl_msg *msg, void *arg) | |
301 | { | |
302 | return NL_OK; | |
303 | } | |
304 | ||
305 | ||
306 | static void nl80211_nlmsg_clear(struct nl_msg *msg) | |
307 | { | |
308 | /* | |
309 | * Clear nlmsg data, e.g., to make sure key material is not left in | |
310 | * heap memory for unnecessarily long time. | |
311 | */ | |
312 | if (msg) { | |
313 | struct nlmsghdr *hdr = nlmsg_hdr(msg); | |
314 | void *data = nlmsg_data(hdr); | |
315 | /* | |
316 | * This would use nlmsg_datalen() or the older nlmsg_len() if | |
317 | * only libnl were to maintain a stable API.. Neither will work | |
318 | * with all released versions, so just calculate the length | |
319 | * here. | |
320 | */ | |
321 | int len = hdr->nlmsg_len - NLMSG_HDRLEN; | |
322 | ||
323 | os_memset(data, 0, len); | |
324 | } | |
325 | } | |
326 | ||
327 | ||
328 | static int send_and_recv(struct nl80211_global *global, | |
329 | struct nl_handle *nl_handle, struct nl_msg *msg, | |
330 | int (*valid_handler)(struct nl_msg *, void *), | |
331 | void *valid_data) | |
332 | { | |
333 | struct nl_cb *cb; | |
334 | int err = -ENOMEM; | |
335 | ||
336 | if (!msg) | |
337 | return -ENOMEM; | |
338 | ||
339 | cb = nl_cb_clone(global->nl_cb); | |
340 | if (!cb) | |
341 | goto out; | |
342 | ||
343 | err = nl_send_auto_complete(nl_handle, msg); | |
344 | if (err < 0) | |
345 | goto out; | |
346 | ||
347 | err = 1; | |
348 | ||
349 | nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err); | |
350 | nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err); | |
351 | nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err); | |
352 | ||
353 | if (valid_handler) | |
354 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, | |
355 | valid_handler, valid_data); | |
356 | ||
357 | while (err > 0) { | |
358 | int res = nl_recvmsgs(nl_handle, cb); | |
359 | if (res < 0) { | |
360 | wpa_printf(MSG_INFO, | |
361 | "nl80211: %s->nl_recvmsgs failed: %d", | |
362 | __func__, res); | |
363 | } | |
364 | } | |
365 | out: | |
366 | nl_cb_put(cb); | |
367 | if (!valid_handler && valid_data == (void *) -1) | |
368 | nl80211_nlmsg_clear(msg); | |
369 | nlmsg_free(msg); | |
370 | return err; | |
371 | } | |
372 | ||
373 | ||
374 | int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, | |
375 | struct nl_msg *msg, | |
376 | int (*valid_handler)(struct nl_msg *, void *), | |
377 | void *valid_data) | |
378 | { | |
379 | return send_and_recv(drv->global, drv->global->nl, msg, | |
380 | valid_handler, valid_data); | |
381 | } | |
382 | ||
383 | ||
384 | struct family_data { | |
385 | const char *group; | |
386 | int id; | |
387 | }; | |
388 | ||
389 | ||
390 | static int family_handler(struct nl_msg *msg, void *arg) | |
391 | { | |
392 | struct family_data *res = arg; | |
393 | struct nlattr *tb[CTRL_ATTR_MAX + 1]; | |
394 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
395 | struct nlattr *mcgrp; | |
396 | int i; | |
397 | ||
398 | nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
399 | genlmsg_attrlen(gnlh, 0), NULL); | |
400 | if (!tb[CTRL_ATTR_MCAST_GROUPS]) | |
401 | return NL_SKIP; | |
402 | ||
403 | nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) { | |
404 | struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1]; | |
405 | nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp), | |
406 | nla_len(mcgrp), NULL); | |
407 | if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] || | |
408 | !tb2[CTRL_ATTR_MCAST_GRP_ID] || | |
409 | os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]), | |
410 | res->group, | |
411 | nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0) | |
412 | continue; | |
413 | res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]); | |
414 | break; | |
415 | }; | |
416 | ||
417 | return NL_SKIP; | |
418 | } | |
419 | ||
420 | ||
421 | static int nl_get_multicast_id(struct nl80211_global *global, | |
422 | const char *family, const char *group) | |
423 | { | |
424 | struct nl_msg *msg; | |
425 | int ret; | |
426 | struct family_data res = { group, -ENOENT }; | |
427 | ||
428 | msg = nlmsg_alloc(); | |
429 | if (!msg) | |
430 | return -ENOMEM; | |
431 | if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"), | |
432 | 0, 0, CTRL_CMD_GETFAMILY, 0) || | |
433 | nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) { | |
434 | nlmsg_free(msg); | |
435 | return -1; | |
436 | } | |
437 | ||
438 | ret = send_and_recv(global, global->nl, msg, family_handler, &res); | |
439 | if (ret == 0) | |
440 | ret = res.id; | |
441 | return ret; | |
442 | } | |
443 | ||
444 | ||
445 | void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, | |
446 | struct nl_msg *msg, int flags, uint8_t cmd) | |
447 | { | |
448 | return genlmsg_put(msg, 0, 0, drv->global->nl80211_id, | |
449 | 0, flags, cmd, 0); | |
450 | } | |
451 | ||
452 | ||
453 | static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss) | |
454 | { | |
455 | if (bss->wdev_id_set) | |
456 | return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id); | |
457 | return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
458 | } | |
459 | ||
460 | ||
461 | struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd) | |
462 | { | |
463 | struct nl_msg *msg; | |
464 | ||
465 | msg = nlmsg_alloc(); | |
466 | if (!msg) | |
467 | return NULL; | |
468 | ||
469 | if (!nl80211_cmd(bss->drv, msg, flags, cmd) || | |
470 | nl80211_set_iface_id(msg, bss) < 0) { | |
471 | nlmsg_free(msg); | |
472 | return NULL; | |
473 | } | |
474 | ||
475 | return msg; | |
476 | } | |
477 | ||
478 | ||
479 | static struct nl_msg * | |
480 | nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex, | |
481 | int flags, uint8_t cmd) | |
482 | { | |
483 | struct nl_msg *msg; | |
484 | ||
485 | msg = nlmsg_alloc(); | |
486 | if (!msg) | |
487 | return NULL; | |
488 | ||
489 | if (!nl80211_cmd(drv, msg, flags, cmd) || | |
490 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) { | |
491 | nlmsg_free(msg); | |
492 | return NULL; | |
493 | } | |
494 | ||
495 | return msg; | |
496 | } | |
497 | ||
498 | ||
499 | struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags, | |
500 | uint8_t cmd) | |
501 | { | |
502 | return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd); | |
503 | } | |
504 | ||
505 | ||
506 | struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd) | |
507 | { | |
508 | return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd); | |
509 | } | |
510 | ||
511 | ||
512 | struct wiphy_idx_data { | |
513 | int wiphy_idx; | |
514 | enum nl80211_iftype nlmode; | |
515 | u8 *macaddr; | |
516 | }; | |
517 | ||
518 | ||
519 | static int netdev_info_handler(struct nl_msg *msg, void *arg) | |
520 | { | |
521 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
522 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
523 | struct wiphy_idx_data *info = arg; | |
524 | ||
525 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
526 | genlmsg_attrlen(gnlh, 0), NULL); | |
527 | ||
528 | if (tb[NL80211_ATTR_WIPHY]) | |
529 | info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
530 | ||
531 | if (tb[NL80211_ATTR_IFTYPE]) | |
532 | info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]); | |
533 | ||
534 | if (tb[NL80211_ATTR_MAC] && info->macaddr) | |
535 | os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]), | |
536 | ETH_ALEN); | |
537 | ||
538 | return NL_SKIP; | |
539 | } | |
540 | ||
541 | ||
542 | int nl80211_get_wiphy_index(struct i802_bss *bss) | |
543 | { | |
544 | struct nl_msg *msg; | |
545 | struct wiphy_idx_data data = { | |
546 | .wiphy_idx = -1, | |
547 | .macaddr = NULL, | |
548 | }; | |
549 | ||
550 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE))) | |
551 | return -1; | |
552 | ||
553 | if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) | |
554 | return data.wiphy_idx; | |
555 | return -1; | |
556 | } | |
557 | ||
558 | ||
559 | static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss) | |
560 | { | |
561 | struct nl_msg *msg; | |
562 | struct wiphy_idx_data data = { | |
563 | .nlmode = NL80211_IFTYPE_UNSPECIFIED, | |
564 | .macaddr = NULL, | |
565 | }; | |
566 | ||
567 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE))) | |
568 | return NL80211_IFTYPE_UNSPECIFIED; | |
569 | ||
570 | if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) | |
571 | return data.nlmode; | |
572 | return NL80211_IFTYPE_UNSPECIFIED; | |
573 | } | |
574 | ||
575 | ||
576 | static int nl80211_get_macaddr(struct i802_bss *bss) | |
577 | { | |
578 | struct nl_msg *msg; | |
579 | struct wiphy_idx_data data = { | |
580 | .macaddr = bss->addr, | |
581 | }; | |
582 | ||
583 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE))) | |
584 | return -1; | |
585 | ||
586 | return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data); | |
587 | } | |
588 | ||
589 | ||
590 | static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv, | |
591 | struct nl80211_wiphy_data *w) | |
592 | { | |
593 | struct nl_msg *msg; | |
594 | int ret; | |
595 | ||
596 | msg = nlmsg_alloc(); | |
597 | if (!msg) | |
598 | return -1; | |
599 | ||
600 | if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) || | |
601 | nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) { | |
602 | nlmsg_free(msg); | |
603 | return -1; | |
604 | } | |
605 | ||
606 | ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL); | |
607 | if (ret) { | |
608 | wpa_printf(MSG_DEBUG, "nl80211: Register beacons command " | |
609 | "failed: ret=%d (%s)", | |
610 | ret, strerror(-ret)); | |
611 | } | |
612 | return ret; | |
613 | } | |
614 | ||
615 | ||
616 | static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle) | |
617 | { | |
618 | struct nl80211_wiphy_data *w = eloop_ctx; | |
619 | int res; | |
620 | ||
621 | wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available"); | |
622 | ||
623 | res = nl_recvmsgs(handle, w->nl_cb); | |
624 | if (res < 0) { | |
625 | wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d", | |
626 | __func__, res); | |
627 | } | |
628 | } | |
629 | ||
630 | ||
631 | static int process_beacon_event(struct nl_msg *msg, void *arg) | |
632 | { | |
633 | struct nl80211_wiphy_data *w = arg; | |
634 | struct wpa_driver_nl80211_data *drv; | |
635 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
636 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
637 | union wpa_event_data event; | |
638 | ||
639 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
640 | genlmsg_attrlen(gnlh, 0), NULL); | |
641 | ||
642 | if (gnlh->cmd != NL80211_CMD_FRAME) { | |
643 | wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)", | |
644 | gnlh->cmd); | |
645 | return NL_SKIP; | |
646 | } | |
647 | ||
648 | if (!tb[NL80211_ATTR_FRAME]) | |
649 | return NL_SKIP; | |
650 | ||
651 | dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data, | |
652 | wiphy_list) { | |
653 | os_memset(&event, 0, sizeof(event)); | |
654 | event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]); | |
655 | event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]); | |
656 | wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); | |
657 | } | |
658 | ||
659 | return NL_SKIP; | |
660 | } | |
661 | ||
662 | ||
663 | static struct nl80211_wiphy_data * | |
664 | nl80211_get_wiphy_data_ap(struct i802_bss *bss) | |
665 | { | |
666 | static DEFINE_DL_LIST(nl80211_wiphys); | |
667 | struct nl80211_wiphy_data *w; | |
668 | int wiphy_idx, found = 0; | |
669 | struct i802_bss *tmp_bss; | |
670 | ||
671 | if (bss->wiphy_data != NULL) | |
672 | return bss->wiphy_data; | |
673 | ||
674 | wiphy_idx = nl80211_get_wiphy_index(bss); | |
675 | ||
676 | dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) { | |
677 | if (w->wiphy_idx == wiphy_idx) | |
678 | goto add; | |
679 | } | |
680 | ||
681 | /* alloc new one */ | |
682 | w = os_zalloc(sizeof(*w)); | |
683 | if (w == NULL) | |
684 | return NULL; | |
685 | w->wiphy_idx = wiphy_idx; | |
686 | dl_list_init(&w->bsss); | |
687 | dl_list_init(&w->drvs); | |
688 | ||
689 | w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
690 | if (!w->nl_cb) { | |
691 | os_free(w); | |
692 | return NULL; | |
693 | } | |
694 | nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); | |
695 | nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event, | |
696 | w); | |
697 | ||
698 | w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb, | |
699 | "wiphy beacons"); | |
700 | if (w->nl_beacons == NULL) { | |
701 | os_free(w); | |
702 | return NULL; | |
703 | } | |
704 | ||
705 | if (nl80211_register_beacons(bss->drv, w)) { | |
706 | nl_destroy_handles(&w->nl_beacons); | |
707 | os_free(w); | |
708 | return NULL; | |
709 | } | |
710 | ||
711 | nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w); | |
712 | ||
713 | dl_list_add(&nl80211_wiphys, &w->list); | |
714 | ||
715 | add: | |
716 | /* drv entry for this bss already there? */ | |
717 | dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { | |
718 | if (tmp_bss->drv == bss->drv) { | |
719 | found = 1; | |
720 | break; | |
721 | } | |
722 | } | |
723 | /* if not add it */ | |
724 | if (!found) | |
725 | dl_list_add(&w->drvs, &bss->drv->wiphy_list); | |
726 | ||
727 | dl_list_add(&w->bsss, &bss->wiphy_list); | |
728 | bss->wiphy_data = w; | |
729 | return w; | |
730 | } | |
731 | ||
732 | ||
733 | static void nl80211_put_wiphy_data_ap(struct i802_bss *bss) | |
734 | { | |
735 | struct nl80211_wiphy_data *w = bss->wiphy_data; | |
736 | struct i802_bss *tmp_bss; | |
737 | int found = 0; | |
738 | ||
739 | if (w == NULL) | |
740 | return; | |
741 | bss->wiphy_data = NULL; | |
742 | dl_list_del(&bss->wiphy_list); | |
743 | ||
744 | /* still any for this drv present? */ | |
745 | dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { | |
746 | if (tmp_bss->drv == bss->drv) { | |
747 | found = 1; | |
748 | break; | |
749 | } | |
750 | } | |
751 | /* if not remove it */ | |
752 | if (!found) | |
753 | dl_list_del(&bss->drv->wiphy_list); | |
754 | ||
755 | if (!dl_list_empty(&w->bsss)) | |
756 | return; | |
757 | ||
758 | nl80211_destroy_eloop_handle(&w->nl_beacons); | |
759 | ||
760 | nl_cb_put(w->nl_cb); | |
761 | dl_list_del(&w->list); | |
762 | os_free(w); | |
763 | } | |
764 | ||
765 | ||
766 | static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid) | |
767 | { | |
768 | struct i802_bss *bss = priv; | |
769 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
770 | if (!drv->associated) | |
771 | return -1; | |
772 | os_memcpy(bssid, drv->bssid, ETH_ALEN); | |
773 | return 0; | |
774 | } | |
775 | ||
776 | ||
777 | static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid) | |
778 | { | |
779 | struct i802_bss *bss = priv; | |
780 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
781 | if (!drv->associated) | |
782 | return -1; | |
783 | os_memcpy(ssid, drv->ssid, drv->ssid_len); | |
784 | return drv->ssid_len; | |
785 | } | |
786 | ||
787 | ||
788 | static void wpa_driver_nl80211_event_newlink( | |
789 | struct wpa_driver_nl80211_data *drv, const char *ifname) | |
790 | { | |
791 | union wpa_event_data event; | |
792 | ||
793 | if (os_strcmp(drv->first_bss->ifname, ifname) == 0) { | |
794 | if (if_nametoindex(drv->first_bss->ifname) == 0) { | |
795 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK", | |
796 | drv->first_bss->ifname); | |
797 | return; | |
798 | } | |
799 | if (!drv->if_removed) | |
800 | return; | |
801 | wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event", | |
802 | drv->first_bss->ifname); | |
803 | drv->if_removed = 0; | |
804 | } | |
805 | ||
806 | os_memset(&event, 0, sizeof(event)); | |
807 | os_strlcpy(event.interface_status.ifname, ifname, | |
808 | sizeof(event.interface_status.ifname)); | |
809 | event.interface_status.ievent = EVENT_INTERFACE_ADDED; | |
810 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); | |
811 | } | |
812 | ||
813 | ||
814 | static void wpa_driver_nl80211_event_dellink( | |
815 | struct wpa_driver_nl80211_data *drv, const char *ifname) | |
816 | { | |
817 | union wpa_event_data event; | |
818 | ||
819 | if (os_strcmp(drv->first_bss->ifname, ifname) == 0) { | |
820 | if (drv->if_removed) { | |
821 | wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s", | |
822 | ifname); | |
823 | return; | |
824 | } | |
825 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1", | |
826 | ifname); | |
827 | drv->if_removed = 1; | |
828 | } else { | |
829 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed", | |
830 | ifname); | |
831 | } | |
832 | ||
833 | os_memset(&event, 0, sizeof(event)); | |
834 | os_strlcpy(event.interface_status.ifname, ifname, | |
835 | sizeof(event.interface_status.ifname)); | |
836 | event.interface_status.ievent = EVENT_INTERFACE_REMOVED; | |
837 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); | |
838 | } | |
839 | ||
840 | ||
841 | static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv, | |
842 | u8 *buf, size_t len) | |
843 | { | |
844 | int attrlen, rta_len; | |
845 | struct rtattr *attr; | |
846 | ||
847 | attrlen = len; | |
848 | attr = (struct rtattr *) buf; | |
849 | ||
850 | rta_len = RTA_ALIGN(sizeof(struct rtattr)); | |
851 | while (RTA_OK(attr, attrlen)) { | |
852 | if (attr->rta_type == IFLA_IFNAME) { | |
853 | if (os_strcmp(((char *) attr) + rta_len, | |
854 | drv->first_bss->ifname) == 0) | |
855 | return 1; | |
856 | else | |
857 | break; | |
858 | } | |
859 | attr = RTA_NEXT(attr, attrlen); | |
860 | } | |
861 | ||
862 | return 0; | |
863 | } | |
864 | ||
865 | ||
866 | static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv, | |
867 | int ifindex, u8 *buf, size_t len) | |
868 | { | |
869 | if (drv->ifindex == ifindex) | |
870 | return 1; | |
871 | ||
872 | if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) { | |
873 | nl80211_check_global(drv->global); | |
874 | wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed " | |
875 | "interface"); | |
876 | wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL); | |
877 | return 1; | |
878 | } | |
879 | ||
880 | return 0; | |
881 | } | |
882 | ||
883 | ||
884 | static struct wpa_driver_nl80211_data * | |
885 | nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len) | |
886 | { | |
887 | struct wpa_driver_nl80211_data *drv; | |
888 | dl_list_for_each(drv, &global->interfaces, | |
889 | struct wpa_driver_nl80211_data, list) { | |
890 | if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) || | |
891 | have_ifidx(drv, idx, IFIDX_ANY)) | |
892 | return drv; | |
893 | } | |
894 | return NULL; | |
895 | } | |
896 | ||
897 | ||
898 | static void wpa_driver_nl80211_event_rtm_newlink(void *ctx, | |
899 | struct ifinfomsg *ifi, | |
900 | u8 *buf, size_t len) | |
901 | { | |
902 | struct nl80211_global *global = ctx; | |
903 | struct wpa_driver_nl80211_data *drv; | |
904 | int attrlen; | |
905 | struct rtattr *attr; | |
906 | u32 brid = 0; | |
907 | char namebuf[IFNAMSIZ]; | |
908 | char ifname[IFNAMSIZ + 1]; | |
909 | char extra[100], *pos, *end; | |
910 | ||
911 | drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); | |
912 | if (!drv) { | |
913 | wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d", | |
914 | ifi->ifi_index); | |
915 | return; | |
916 | } | |
917 | ||
918 | extra[0] = '\0'; | |
919 | pos = extra; | |
920 | end = pos + sizeof(extra); | |
921 | ifname[0] = '\0'; | |
922 | ||
923 | attrlen = len; | |
924 | attr = (struct rtattr *) buf; | |
925 | while (RTA_OK(attr, attrlen)) { | |
926 | switch (attr->rta_type) { | |
927 | case IFLA_IFNAME: | |
928 | if (RTA_PAYLOAD(attr) >= IFNAMSIZ) | |
929 | break; | |
930 | os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr)); | |
931 | ifname[RTA_PAYLOAD(attr)] = '\0'; | |
932 | break; | |
933 | case IFLA_MASTER: | |
934 | brid = nla_get_u32((struct nlattr *) attr); | |
935 | pos += os_snprintf(pos, end - pos, " master=%u", brid); | |
936 | break; | |
937 | case IFLA_WIRELESS: | |
938 | pos += os_snprintf(pos, end - pos, " wext"); | |
939 | break; | |
940 | case IFLA_OPERSTATE: | |
941 | pos += os_snprintf(pos, end - pos, " operstate=%u", | |
942 | nla_get_u32((struct nlattr *) attr)); | |
943 | break; | |
944 | case IFLA_LINKMODE: | |
945 | pos += os_snprintf(pos, end - pos, " linkmode=%u", | |
946 | nla_get_u32((struct nlattr *) attr)); | |
947 | break; | |
948 | } | |
949 | attr = RTA_NEXT(attr, attrlen); | |
950 | } | |
951 | extra[sizeof(extra) - 1] = '\0'; | |
952 | ||
953 | wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)", | |
954 | ifi->ifi_index, ifname, extra, ifi->ifi_family, | |
955 | ifi->ifi_flags, | |
956 | (ifi->ifi_flags & IFF_UP) ? "[UP]" : "", | |
957 | (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", | |
958 | (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", | |
959 | (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); | |
960 | ||
961 | if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) { | |
962 | namebuf[0] = '\0'; | |
963 | if (if_indextoname(ifi->ifi_index, namebuf) && | |
964 | linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) { | |
965 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " | |
966 | "event since interface %s is up", namebuf); | |
967 | drv->ignore_if_down_event = 0; | |
968 | return; | |
969 | } | |
970 | wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)", | |
971 | namebuf, ifname); | |
972 | if (os_strcmp(drv->first_bss->ifname, ifname) != 0) { | |
973 | wpa_printf(MSG_DEBUG, | |
974 | "nl80211: Not the main interface (%s) - do not indicate interface down", | |
975 | drv->first_bss->ifname); | |
976 | } else if (drv->ignore_if_down_event) { | |
977 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " | |
978 | "event generated by mode change"); | |
979 | drv->ignore_if_down_event = 0; | |
980 | } else { | |
981 | drv->if_disabled = 1; | |
982 | wpa_supplicant_event(drv->ctx, | |
983 | EVENT_INTERFACE_DISABLED, NULL); | |
984 | ||
985 | /* | |
986 | * Try to get drv again, since it may be removed as | |
987 | * part of the EVENT_INTERFACE_DISABLED handling for | |
988 | * dynamic interfaces | |
989 | */ | |
990 | drv = nl80211_find_drv(global, ifi->ifi_index, | |
991 | buf, len); | |
992 | if (!drv) | |
993 | return; | |
994 | } | |
995 | } | |
996 | ||
997 | if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) { | |
998 | if (if_indextoname(ifi->ifi_index, namebuf) && | |
999 | linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) { | |
1000 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
1001 | "event since interface %s is down", | |
1002 | namebuf); | |
1003 | } else if (if_nametoindex(drv->first_bss->ifname) == 0) { | |
1004 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
1005 | "event since interface %s does not exist", | |
1006 | drv->first_bss->ifname); | |
1007 | } else if (drv->if_removed) { | |
1008 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
1009 | "event since interface %s is marked " | |
1010 | "removed", drv->first_bss->ifname); | |
1011 | } else { | |
1012 | struct i802_bss *bss; | |
1013 | u8 addr[ETH_ALEN]; | |
1014 | ||
1015 | /* Re-read MAC address as it may have changed */ | |
1016 | bss = get_bss_ifindex(drv, ifi->ifi_index); | |
1017 | if (bss && | |
1018 | linux_get_ifhwaddr(drv->global->ioctl_sock, | |
1019 | bss->ifname, addr) < 0) { | |
1020 | wpa_printf(MSG_DEBUG, | |
1021 | "nl80211: %s: failed to re-read MAC address", | |
1022 | bss->ifname); | |
1023 | } else if (bss && | |
1024 | os_memcmp(addr, bss->addr, ETH_ALEN) != 0) { | |
1025 | wpa_printf(MSG_DEBUG, | |
1026 | "nl80211: Own MAC address on ifindex %d (%s) changed from " | |
1027 | MACSTR " to " MACSTR, | |
1028 | ifi->ifi_index, bss->ifname, | |
1029 | MAC2STR(bss->addr), | |
1030 | MAC2STR(addr)); | |
1031 | os_memcpy(bss->addr, addr, ETH_ALEN); | |
1032 | } | |
1033 | ||
1034 | wpa_printf(MSG_DEBUG, "nl80211: Interface up"); | |
1035 | drv->if_disabled = 0; | |
1036 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, | |
1037 | NULL); | |
1038 | } | |
1039 | } | |
1040 | ||
1041 | /* | |
1042 | * Some drivers send the association event before the operup event--in | |
1043 | * this case, lifting operstate in wpa_driver_nl80211_set_operstate() | |
1044 | * fails. This will hit us when wpa_supplicant does not need to do | |
1045 | * IEEE 802.1X authentication | |
1046 | */ | |
1047 | if (drv->operstate == 1 && | |
1048 | (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP && | |
1049 | !(ifi->ifi_flags & IFF_RUNNING)) { | |
1050 | wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate"); | |
1051 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, | |
1052 | -1, IF_OPER_UP); | |
1053 | } | |
1054 | ||
1055 | if (ifname[0]) | |
1056 | wpa_driver_nl80211_event_newlink(drv, ifname); | |
1057 | ||
1058 | if (ifi->ifi_family == AF_BRIDGE && brid) { | |
1059 | struct i802_bss *bss; | |
1060 | ||
1061 | /* device has been added to bridge */ | |
1062 | if (!if_indextoname(brid, namebuf)) { | |
1063 | wpa_printf(MSG_DEBUG, | |
1064 | "nl80211: Could not find bridge ifname for ifindex %u", | |
1065 | brid); | |
1066 | return; | |
1067 | } | |
1068 | wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s", | |
1069 | brid, namebuf); | |
1070 | add_ifidx(drv, brid, ifi->ifi_index); | |
1071 | ||
1072 | for (bss = drv->first_bss; bss; bss = bss->next) { | |
1073 | if (os_strcmp(ifname, bss->ifname) == 0) { | |
1074 | os_strlcpy(bss->brname, namebuf, IFNAMSIZ); | |
1075 | break; | |
1076 | } | |
1077 | } | |
1078 | } | |
1079 | } | |
1080 | ||
1081 | ||
1082 | static void wpa_driver_nl80211_event_rtm_dellink(void *ctx, | |
1083 | struct ifinfomsg *ifi, | |
1084 | u8 *buf, size_t len) | |
1085 | { | |
1086 | struct nl80211_global *global = ctx; | |
1087 | struct wpa_driver_nl80211_data *drv; | |
1088 | int attrlen; | |
1089 | struct rtattr *attr; | |
1090 | u32 brid = 0; | |
1091 | char ifname[IFNAMSIZ + 1]; | |
1092 | char extra[100], *pos, *end; | |
1093 | ||
1094 | drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); | |
1095 | if (!drv) { | |
1096 | wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d", | |
1097 | ifi->ifi_index); | |
1098 | return; | |
1099 | } | |
1100 | ||
1101 | extra[0] = '\0'; | |
1102 | pos = extra; | |
1103 | end = pos + sizeof(extra); | |
1104 | ifname[0] = '\0'; | |
1105 | ||
1106 | attrlen = len; | |
1107 | attr = (struct rtattr *) buf; | |
1108 | while (RTA_OK(attr, attrlen)) { | |
1109 | switch (attr->rta_type) { | |
1110 | case IFLA_IFNAME: | |
1111 | if (RTA_PAYLOAD(attr) >= IFNAMSIZ) | |
1112 | break; | |
1113 | os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr)); | |
1114 | ifname[RTA_PAYLOAD(attr)] = '\0'; | |
1115 | break; | |
1116 | case IFLA_MASTER: | |
1117 | brid = nla_get_u32((struct nlattr *) attr); | |
1118 | pos += os_snprintf(pos, end - pos, " master=%u", brid); | |
1119 | break; | |
1120 | case IFLA_OPERSTATE: | |
1121 | pos += os_snprintf(pos, end - pos, " operstate=%u", | |
1122 | nla_get_u32((struct nlattr *) attr)); | |
1123 | break; | |
1124 | case IFLA_LINKMODE: | |
1125 | pos += os_snprintf(pos, end - pos, " linkmode=%u", | |
1126 | nla_get_u32((struct nlattr *) attr)); | |
1127 | break; | |
1128 | } | |
1129 | attr = RTA_NEXT(attr, attrlen); | |
1130 | } | |
1131 | extra[sizeof(extra) - 1] = '\0'; | |
1132 | ||
1133 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)", | |
1134 | ifi->ifi_index, ifname, extra, ifi->ifi_family, | |
1135 | ifi->ifi_flags, | |
1136 | (ifi->ifi_flags & IFF_UP) ? "[UP]" : "", | |
1137 | (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", | |
1138 | (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", | |
1139 | (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); | |
1140 | ||
1141 | if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid)) | |
1142 | wpa_driver_nl80211_event_dellink(drv, ifname); | |
1143 | ||
1144 | if (ifi->ifi_family == AF_BRIDGE && brid) { | |
1145 | /* device has been removed from bridge */ | |
1146 | char namebuf[IFNAMSIZ]; | |
1147 | ||
1148 | if (!if_indextoname(brid, namebuf)) { | |
1149 | wpa_printf(MSG_DEBUG, | |
1150 | "nl80211: Could not find bridge ifname for ifindex %u", | |
1151 | brid); | |
1152 | } else { | |
1153 | wpa_printf(MSG_DEBUG, | |
1154 | "nl80211: Remove ifindex %u for bridge %s", | |
1155 | brid, namebuf); | |
1156 | } | |
1157 | del_ifidx(drv, brid, ifi->ifi_index); | |
1158 | } | |
1159 | } | |
1160 | ||
1161 | ||
1162 | unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv) | |
1163 | { | |
1164 | struct nl_msg *msg; | |
1165 | int ret; | |
1166 | struct nl80211_bss_info_arg arg; | |
1167 | ||
1168 | msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN); | |
1169 | os_memset(&arg, 0, sizeof(arg)); | |
1170 | arg.drv = drv; | |
1171 | ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg); | |
1172 | if (ret == 0) { | |
1173 | unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ? | |
1174 | arg.ibss_freq : arg.assoc_freq; | |
1175 | wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the " | |
1176 | "associated BSS from scan results: %u MHz", freq); | |
1177 | if (freq) | |
1178 | drv->assoc_freq = freq; | |
1179 | return drv->assoc_freq; | |
1180 | } | |
1181 | wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " | |
1182 | "(%s)", ret, strerror(-ret)); | |
1183 | return drv->assoc_freq; | |
1184 | } | |
1185 | ||
1186 | ||
1187 | static int get_link_signal(struct nl_msg *msg, void *arg) | |
1188 | { | |
1189 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1190 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1191 | struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1]; | |
1192 | static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = { | |
1193 | [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 }, | |
1194 | [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 }, | |
1195 | [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 }, | |
1196 | }; | |
1197 | struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1]; | |
1198 | static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = { | |
1199 | [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 }, | |
1200 | [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 }, | |
1201 | [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG }, | |
1202 | [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG }, | |
1203 | }; | |
1204 | struct wpa_signal_info *sig_change = arg; | |
1205 | ||
1206 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1207 | genlmsg_attrlen(gnlh, 0), NULL); | |
1208 | if (!tb[NL80211_ATTR_STA_INFO] || | |
1209 | nla_parse_nested(sinfo, NL80211_STA_INFO_MAX, | |
1210 | tb[NL80211_ATTR_STA_INFO], policy)) | |
1211 | return NL_SKIP; | |
1212 | if (!sinfo[NL80211_STA_INFO_SIGNAL]) | |
1213 | return NL_SKIP; | |
1214 | ||
1215 | sig_change->current_signal = | |
1216 | (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]); | |
1217 | ||
1218 | if (sinfo[NL80211_STA_INFO_SIGNAL_AVG]) | |
1219 | sig_change->avg_signal = | |
1220 | (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]); | |
1221 | else | |
1222 | sig_change->avg_signal = 0; | |
1223 | ||
1224 | if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]) | |
1225 | sig_change->avg_beacon_signal = | |
1226 | (s8) | |
1227 | nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]); | |
1228 | else | |
1229 | sig_change->avg_beacon_signal = 0; | |
1230 | ||
1231 | if (sinfo[NL80211_STA_INFO_TX_BITRATE]) { | |
1232 | if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX, | |
1233 | sinfo[NL80211_STA_INFO_TX_BITRATE], | |
1234 | rate_policy)) { | |
1235 | sig_change->current_txrate = 0; | |
1236 | } else { | |
1237 | if (rinfo[NL80211_RATE_INFO_BITRATE]) { | |
1238 | sig_change->current_txrate = | |
1239 | nla_get_u16(rinfo[ | |
1240 | NL80211_RATE_INFO_BITRATE]) * 100; | |
1241 | } | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | return NL_SKIP; | |
1246 | } | |
1247 | ||
1248 | ||
1249 | int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, | |
1250 | struct wpa_signal_info *sig) | |
1251 | { | |
1252 | struct nl_msg *msg; | |
1253 | ||
1254 | sig->current_signal = -9999; | |
1255 | sig->current_txrate = 0; | |
1256 | ||
1257 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) || | |
1258 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) { | |
1259 | nlmsg_free(msg); | |
1260 | return -ENOBUFS; | |
1261 | } | |
1262 | ||
1263 | return send_and_recv_msgs(drv, msg, get_link_signal, sig); | |
1264 | } | |
1265 | ||
1266 | ||
1267 | static int get_link_noise(struct nl_msg *msg, void *arg) | |
1268 | { | |
1269 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1270 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1271 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
1272 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
1273 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
1274 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
1275 | }; | |
1276 | struct wpa_signal_info *sig_change = arg; | |
1277 | ||
1278 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1279 | genlmsg_attrlen(gnlh, 0), NULL); | |
1280 | ||
1281 | if (!tb[NL80211_ATTR_SURVEY_INFO]) { | |
1282 | wpa_printf(MSG_DEBUG, "nl80211: survey data missing!"); | |
1283 | return NL_SKIP; | |
1284 | } | |
1285 | ||
1286 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
1287 | tb[NL80211_ATTR_SURVEY_INFO], | |
1288 | survey_policy)) { | |
1289 | wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested " | |
1290 | "attributes!"); | |
1291 | return NL_SKIP; | |
1292 | } | |
1293 | ||
1294 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) | |
1295 | return NL_SKIP; | |
1296 | ||
1297 | if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != | |
1298 | sig_change->frequency) | |
1299 | return NL_SKIP; | |
1300 | ||
1301 | if (!sinfo[NL80211_SURVEY_INFO_NOISE]) | |
1302 | return NL_SKIP; | |
1303 | ||
1304 | sig_change->current_noise = | |
1305 | (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
1306 | ||
1307 | return NL_SKIP; | |
1308 | } | |
1309 | ||
1310 | ||
1311 | int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, | |
1312 | struct wpa_signal_info *sig_change) | |
1313 | { | |
1314 | struct nl_msg *msg; | |
1315 | ||
1316 | sig_change->current_noise = 9999; | |
1317 | sig_change->frequency = drv->assoc_freq; | |
1318 | ||
1319 | msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); | |
1320 | return send_and_recv_msgs(drv, msg, get_link_noise, sig_change); | |
1321 | } | |
1322 | ||
1323 | ||
1324 | static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx, | |
1325 | void *handle) | |
1326 | { | |
1327 | struct nl_cb *cb = eloop_ctx; | |
1328 | int res; | |
1329 | ||
1330 | wpa_printf(MSG_MSGDUMP, "nl80211: Event message available"); | |
1331 | ||
1332 | res = nl_recvmsgs(handle, cb); | |
1333 | if (res < 0) { | |
1334 | wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d", | |
1335 | __func__, res); | |
1336 | } | |
1337 | } | |
1338 | ||
1339 | ||
1340 | /** | |
1341 | * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain | |
1342 | * @priv: driver_nl80211 private data | |
1343 | * @alpha2_arg: country to which to switch to | |
1344 | * Returns: 0 on success, -1 on failure | |
1345 | * | |
1346 | * This asks nl80211 to set the regulatory domain for given | |
1347 | * country ISO / IEC alpha2. | |
1348 | */ | |
1349 | static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg) | |
1350 | { | |
1351 | struct i802_bss *bss = priv; | |
1352 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1353 | char alpha2[3]; | |
1354 | struct nl_msg *msg; | |
1355 | ||
1356 | msg = nlmsg_alloc(); | |
1357 | if (!msg) | |
1358 | return -ENOMEM; | |
1359 | ||
1360 | alpha2[0] = alpha2_arg[0]; | |
1361 | alpha2[1] = alpha2_arg[1]; | |
1362 | alpha2[2] = '\0'; | |
1363 | ||
1364 | if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) || | |
1365 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) { | |
1366 | nlmsg_free(msg); | |
1367 | return -EINVAL; | |
1368 | } | |
1369 | if (send_and_recv_msgs(drv, msg, NULL, NULL)) | |
1370 | return -EINVAL; | |
1371 | return 0; | |
1372 | } | |
1373 | ||
1374 | ||
1375 | static int nl80211_get_country(struct nl_msg *msg, void *arg) | |
1376 | { | |
1377 | char *alpha2 = arg; | |
1378 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
1379 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1380 | ||
1381 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1382 | genlmsg_attrlen(gnlh, 0), NULL); | |
1383 | if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) { | |
1384 | wpa_printf(MSG_DEBUG, "nl80211: No country information available"); | |
1385 | return NL_SKIP; | |
1386 | } | |
1387 | os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3); | |
1388 | return NL_SKIP; | |
1389 | } | |
1390 | ||
1391 | ||
1392 | static int wpa_driver_nl80211_get_country(void *priv, char *alpha2) | |
1393 | { | |
1394 | struct i802_bss *bss = priv; | |
1395 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1396 | struct nl_msg *msg; | |
1397 | int ret; | |
1398 | ||
1399 | msg = nlmsg_alloc(); | |
1400 | if (!msg) | |
1401 | return -ENOMEM; | |
1402 | ||
1403 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); | |
1404 | alpha2[0] = '\0'; | |
1405 | ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2); | |
1406 | if (!alpha2[0]) | |
1407 | ret = -1; | |
1408 | ||
1409 | return ret; | |
1410 | } | |
1411 | ||
1412 | ||
1413 | static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global) | |
1414 | { | |
1415 | int ret; | |
1416 | ||
1417 | global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
1418 | if (global->nl_cb == NULL) { | |
1419 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " | |
1420 | "callbacks"); | |
1421 | return -1; | |
1422 | } | |
1423 | ||
1424 | global->nl = nl_create_handle(global->nl_cb, "nl"); | |
1425 | if (global->nl == NULL) | |
1426 | goto err; | |
1427 | ||
1428 | global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211"); | |
1429 | if (global->nl80211_id < 0) { | |
1430 | wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not " | |
1431 | "found"); | |
1432 | goto err; | |
1433 | } | |
1434 | ||
1435 | global->nl_event = nl_create_handle(global->nl_cb, "event"); | |
1436 | if (global->nl_event == NULL) | |
1437 | goto err; | |
1438 | ||
1439 | ret = nl_get_multicast_id(global, "nl80211", "scan"); | |
1440 | if (ret >= 0) | |
1441 | ret = nl_socket_add_membership(global->nl_event, ret); | |
1442 | if (ret < 0) { | |
1443 | wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " | |
1444 | "membership for scan events: %d (%s)", | |
1445 | ret, strerror(-ret)); | |
1446 | goto err; | |
1447 | } | |
1448 | ||
1449 | ret = nl_get_multicast_id(global, "nl80211", "mlme"); | |
1450 | if (ret >= 0) | |
1451 | ret = nl_socket_add_membership(global->nl_event, ret); | |
1452 | if (ret < 0) { | |
1453 | wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " | |
1454 | "membership for mlme events: %d (%s)", | |
1455 | ret, strerror(-ret)); | |
1456 | goto err; | |
1457 | } | |
1458 | ||
1459 | ret = nl_get_multicast_id(global, "nl80211", "regulatory"); | |
1460 | if (ret >= 0) | |
1461 | ret = nl_socket_add_membership(global->nl_event, ret); | |
1462 | if (ret < 0) { | |
1463 | wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " | |
1464 | "membership for regulatory events: %d (%s)", | |
1465 | ret, strerror(-ret)); | |
1466 | /* Continue without regulatory events */ | |
1467 | } | |
1468 | ||
1469 | ret = nl_get_multicast_id(global, "nl80211", "vendor"); | |
1470 | if (ret >= 0) | |
1471 | ret = nl_socket_add_membership(global->nl_event, ret); | |
1472 | if (ret < 0) { | |
1473 | wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " | |
1474 | "membership for vendor events: %d (%s)", | |
1475 | ret, strerror(-ret)); | |
1476 | /* Continue without vendor events */ | |
1477 | } | |
1478 | ||
1479 | nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
1480 | no_seq_check, NULL); | |
1481 | nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
1482 | process_global_event, global); | |
1483 | ||
1484 | nl80211_register_eloop_read(&global->nl_event, | |
1485 | wpa_driver_nl80211_event_receive, | |
1486 | global->nl_cb); | |
1487 | ||
1488 | return 0; | |
1489 | ||
1490 | err: | |
1491 | nl_destroy_handles(&global->nl_event); | |
1492 | nl_destroy_handles(&global->nl); | |
1493 | nl_cb_put(global->nl_cb); | |
1494 | global->nl_cb = NULL; | |
1495 | return -1; | |
1496 | } | |
1497 | ||
1498 | ||
1499 | static void nl80211_check_global(struct nl80211_global *global) | |
1500 | { | |
1501 | struct nl_handle *handle; | |
1502 | const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL }; | |
1503 | int ret; | |
1504 | unsigned int i; | |
1505 | ||
1506 | /* | |
1507 | * Try to re-add memberships to handle case of cfg80211 getting reloaded | |
1508 | * and all registration having been cleared. | |
1509 | */ | |
1510 | handle = (void *) (((intptr_t) global->nl_event) ^ | |
1511 | ELOOP_SOCKET_INVALID); | |
1512 | ||
1513 | for (i = 0; groups[i]; i++) { | |
1514 | ret = nl_get_multicast_id(global, "nl80211", groups[i]); | |
1515 | if (ret >= 0) | |
1516 | ret = nl_socket_add_membership(handle, ret); | |
1517 | if (ret < 0) { | |
1518 | wpa_printf(MSG_INFO, | |
1519 | "nl80211: Could not re-add multicast membership for %s events: %d (%s)", | |
1520 | groups[i], ret, strerror(-ret)); | |
1521 | } | |
1522 | } | |
1523 | } | |
1524 | ||
1525 | ||
1526 | static void wpa_driver_nl80211_rfkill_blocked(void *ctx) | |
1527 | { | |
1528 | struct wpa_driver_nl80211_data *drv = ctx; | |
1529 | ||
1530 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked"); | |
1531 | ||
1532 | /* | |
1533 | * rtnetlink ifdown handler will report interfaces other than the P2P | |
1534 | * Device interface as disabled. | |
1535 | */ | |
1536 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
1537 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL); | |
1538 | } | |
1539 | ||
1540 | ||
1541 | static void wpa_driver_nl80211_rfkill_unblocked(void *ctx) | |
1542 | { | |
1543 | struct wpa_driver_nl80211_data *drv = ctx; | |
1544 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked"); | |
1545 | if (i802_set_iface_flags(drv->first_bss, 1)) { | |
1546 | wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP " | |
1547 | "after rfkill unblock"); | |
1548 | return; | |
1549 | } | |
1550 | ||
1551 | if (is_p2p_net_interface(drv->nlmode)) | |
1552 | nl80211_disable_11b_rates(drv, drv->ifindex, 1); | |
1553 | ||
1554 | /* | |
1555 | * rtnetlink ifup handler will report interfaces other than the P2P | |
1556 | * Device interface as enabled. | |
1557 | */ | |
1558 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
1559 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL); | |
1560 | } | |
1561 | ||
1562 | ||
1563 | static void wpa_driver_nl80211_handle_eapol_tx_status(int sock, | |
1564 | void *eloop_ctx, | |
1565 | void *handle) | |
1566 | { | |
1567 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
1568 | u8 data[2048]; | |
1569 | struct msghdr msg; | |
1570 | struct iovec entry; | |
1571 | u8 control[512]; | |
1572 | struct cmsghdr *cmsg; | |
1573 | int res, found_ee = 0, found_wifi = 0, acked = 0; | |
1574 | union wpa_event_data event; | |
1575 | ||
1576 | memset(&msg, 0, sizeof(msg)); | |
1577 | msg.msg_iov = &entry; | |
1578 | msg.msg_iovlen = 1; | |
1579 | entry.iov_base = data; | |
1580 | entry.iov_len = sizeof(data); | |
1581 | msg.msg_control = &control; | |
1582 | msg.msg_controllen = sizeof(control); | |
1583 | ||
1584 | res = recvmsg(sock, &msg, MSG_ERRQUEUE); | |
1585 | /* if error or not fitting 802.3 header, return */ | |
1586 | if (res < 14) | |
1587 | return; | |
1588 | ||
1589 | for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) | |
1590 | { | |
1591 | if (cmsg->cmsg_level == SOL_SOCKET && | |
1592 | cmsg->cmsg_type == SCM_WIFI_STATUS) { | |
1593 | int *ack; | |
1594 | ||
1595 | found_wifi = 1; | |
1596 | ack = (void *)CMSG_DATA(cmsg); | |
1597 | acked = *ack; | |
1598 | } | |
1599 | ||
1600 | if (cmsg->cmsg_level == SOL_PACKET && | |
1601 | cmsg->cmsg_type == PACKET_TX_TIMESTAMP) { | |
1602 | struct sock_extended_err *err = | |
1603 | (struct sock_extended_err *)CMSG_DATA(cmsg); | |
1604 | ||
1605 | if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS) | |
1606 | found_ee = 1; | |
1607 | } | |
1608 | } | |
1609 | ||
1610 | if (!found_ee || !found_wifi) | |
1611 | return; | |
1612 | ||
1613 | memset(&event, 0, sizeof(event)); | |
1614 | event.eapol_tx_status.dst = data; | |
1615 | event.eapol_tx_status.data = data + 14; | |
1616 | event.eapol_tx_status.data_len = res - 14; | |
1617 | event.eapol_tx_status.ack = acked; | |
1618 | wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event); | |
1619 | } | |
1620 | ||
1621 | ||
1622 | static int nl80211_init_bss(struct i802_bss *bss) | |
1623 | { | |
1624 | bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
1625 | if (!bss->nl_cb) | |
1626 | return -1; | |
1627 | ||
1628 | nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
1629 | no_seq_check, NULL); | |
1630 | nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
1631 | process_bss_event, bss); | |
1632 | ||
1633 | return 0; | |
1634 | } | |
1635 | ||
1636 | ||
1637 | static void nl80211_destroy_bss(struct i802_bss *bss) | |
1638 | { | |
1639 | nl_cb_put(bss->nl_cb); | |
1640 | bss->nl_cb = NULL; | |
1641 | } | |
1642 | ||
1643 | ||
1644 | static void | |
1645 | wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv) | |
1646 | { | |
1647 | struct rfkill_config *rcfg; | |
1648 | ||
1649 | if (drv->rfkill) | |
1650 | return; | |
1651 | ||
1652 | rcfg = os_zalloc(sizeof(*rcfg)); | |
1653 | if (!rcfg) | |
1654 | return; | |
1655 | ||
1656 | rcfg->ctx = drv; | |
1657 | ||
1658 | /* rfkill uses netdev sysfs for initialization. However, P2P Device is | |
1659 | * not associated with a netdev, so use the name of some other interface | |
1660 | * sharing the same wiphy as the P2P Device interface. | |
1661 | * | |
1662 | * Note: This is valid, as a P2P Device interface is always dynamically | |
1663 | * created and is created only once another wpa_s interface was added. | |
1664 | */ | |
1665 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) { | |
1666 | struct nl80211_global *global = drv->global; | |
1667 | struct wpa_driver_nl80211_data *tmp1; | |
1668 | ||
1669 | dl_list_for_each(tmp1, &global->interfaces, | |
1670 | struct wpa_driver_nl80211_data, list) { | |
1671 | if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx || | |
1672 | !tmp1->rfkill) | |
1673 | continue; | |
1674 | ||
1675 | wpa_printf(MSG_DEBUG, | |
1676 | "nl80211: Use (%s) to initialize P2P Device rfkill", | |
1677 | tmp1->first_bss->ifname); | |
1678 | os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname, | |
1679 | sizeof(rcfg->ifname)); | |
1680 | break; | |
1681 | } | |
1682 | } else { | |
1683 | os_strlcpy(rcfg->ifname, drv->first_bss->ifname, | |
1684 | sizeof(rcfg->ifname)); | |
1685 | } | |
1686 | ||
1687 | rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked; | |
1688 | rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked; | |
1689 | drv->rfkill = rfkill_init(rcfg); | |
1690 | if (!drv->rfkill) { | |
1691 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available"); | |
1692 | os_free(rcfg); | |
1693 | } | |
1694 | } | |
1695 | ||
1696 | ||
1697 | static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname, | |
1698 | void *global_priv, int hostapd, | |
1699 | const u8 *set_addr, | |
1700 | const char *driver_params) | |
1701 | { | |
1702 | struct wpa_driver_nl80211_data *drv; | |
1703 | struct i802_bss *bss; | |
1704 | ||
1705 | if (global_priv == NULL) | |
1706 | return NULL; | |
1707 | drv = os_zalloc(sizeof(*drv)); | |
1708 | if (drv == NULL) | |
1709 | return NULL; | |
1710 | drv->global = global_priv; | |
1711 | drv->ctx = ctx; | |
1712 | drv->hostapd = !!hostapd; | |
1713 | drv->eapol_sock = -1; | |
1714 | ||
1715 | /* | |
1716 | * There is no driver capability flag for this, so assume it is | |
1717 | * supported and disable this on first attempt to use if the driver | |
1718 | * rejects the command due to missing support. | |
1719 | */ | |
1720 | drv->set_rekey_offload = 1; | |
1721 | ||
1722 | drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int); | |
1723 | drv->if_indices = drv->default_if_indices; | |
1724 | drv->if_indices_reason = drv->default_if_indices_reason; | |
1725 | ||
1726 | drv->first_bss = os_zalloc(sizeof(*drv->first_bss)); | |
1727 | if (!drv->first_bss) { | |
1728 | os_free(drv); | |
1729 | return NULL; | |
1730 | } | |
1731 | bss = drv->first_bss; | |
1732 | bss->drv = drv; | |
1733 | bss->ctx = ctx; | |
1734 | ||
1735 | os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname)); | |
1736 | drv->monitor_ifidx = -1; | |
1737 | drv->monitor_sock = -1; | |
1738 | drv->eapol_tx_sock = -1; | |
1739 | drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; | |
1740 | ||
1741 | if (nl80211_init_bss(bss)) | |
1742 | goto failed; | |
1743 | ||
1744 | if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params)) | |
1745 | goto failed; | |
1746 | ||
1747 | drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0); | |
1748 | if (drv->eapol_tx_sock < 0) | |
1749 | goto failed; | |
1750 | ||
1751 | if (drv->data_tx_status) { | |
1752 | int enabled = 1; | |
1753 | ||
1754 | if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS, | |
1755 | &enabled, sizeof(enabled)) < 0) { | |
1756 | wpa_printf(MSG_DEBUG, | |
1757 | "nl80211: wifi status sockopt failed\n"); | |
1758 | drv->data_tx_status = 0; | |
1759 | if (!drv->use_monitor) | |
1760 | drv->capa.flags &= | |
1761 | ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
1762 | } else { | |
1763 | eloop_register_read_sock(drv->eapol_tx_sock, | |
1764 | wpa_driver_nl80211_handle_eapol_tx_status, | |
1765 | drv, NULL); | |
1766 | } | |
1767 | } | |
1768 | ||
1769 | if (drv->global) { | |
1770 | nl80211_check_global(drv->global); | |
1771 | dl_list_add(&drv->global->interfaces, &drv->list); | |
1772 | drv->in_interface_list = 1; | |
1773 | } | |
1774 | ||
1775 | return bss; | |
1776 | ||
1777 | failed: | |
1778 | wpa_driver_nl80211_deinit(bss); | |
1779 | return NULL; | |
1780 | } | |
1781 | ||
1782 | ||
1783 | /** | |
1784 | * wpa_driver_nl80211_init - Initialize nl80211 driver interface | |
1785 | * @ctx: context to be used when calling wpa_supplicant functions, | |
1786 | * e.g., wpa_supplicant_event() | |
1787 | * @ifname: interface name, e.g., wlan0 | |
1788 | * @global_priv: private driver global data from global_init() | |
1789 | * Returns: Pointer to private data, %NULL on failure | |
1790 | */ | |
1791 | static void * wpa_driver_nl80211_init(void *ctx, const char *ifname, | |
1792 | void *global_priv) | |
1793 | { | |
1794 | return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL, | |
1795 | NULL); | |
1796 | } | |
1797 | ||
1798 | ||
1799 | static int nl80211_register_frame(struct i802_bss *bss, | |
1800 | struct nl_handle *nl_handle, | |
1801 | u16 type, const u8 *match, size_t match_len) | |
1802 | { | |
1803 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1804 | struct nl_msg *msg; | |
1805 | int ret; | |
1806 | char buf[30]; | |
1807 | ||
1808 | buf[0] = '\0'; | |
1809 | wpa_snprintf_hex(buf, sizeof(buf), match, match_len); | |
1810 | wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s", | |
1811 | type, fc2str(type), nl_handle, buf); | |
1812 | ||
1813 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) || | |
1814 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) || | |
1815 | nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) { | |
1816 | nlmsg_free(msg); | |
1817 | return -1; | |
1818 | } | |
1819 | ||
1820 | ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL); | |
1821 | if (ret) { | |
1822 | wpa_printf(MSG_DEBUG, "nl80211: Register frame command " | |
1823 | "failed (type=%u): ret=%d (%s)", | |
1824 | type, ret, strerror(-ret)); | |
1825 | wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match", | |
1826 | match, match_len); | |
1827 | } | |
1828 | return ret; | |
1829 | } | |
1830 | ||
1831 | ||
1832 | static int nl80211_alloc_mgmt_handle(struct i802_bss *bss) | |
1833 | { | |
1834 | if (bss->nl_mgmt) { | |
1835 | wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting " | |
1836 | "already on! (nl_mgmt=%p)", bss->nl_mgmt); | |
1837 | return -1; | |
1838 | } | |
1839 | ||
1840 | bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt"); | |
1841 | if (bss->nl_mgmt == NULL) | |
1842 | return -1; | |
1843 | ||
1844 | return 0; | |
1845 | } | |
1846 | ||
1847 | ||
1848 | static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss) | |
1849 | { | |
1850 | nl80211_register_eloop_read(&bss->nl_mgmt, | |
1851 | wpa_driver_nl80211_event_receive, | |
1852 | bss->nl_cb); | |
1853 | } | |
1854 | ||
1855 | ||
1856 | static int nl80211_register_action_frame(struct i802_bss *bss, | |
1857 | const u8 *match, size_t match_len) | |
1858 | { | |
1859 | u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4); | |
1860 | return nl80211_register_frame(bss, bss->nl_mgmt, | |
1861 | type, match, match_len); | |
1862 | } | |
1863 | ||
1864 | ||
1865 | static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss) | |
1866 | { | |
1867 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1868 | int ret = 0; | |
1869 | ||
1870 | if (nl80211_alloc_mgmt_handle(bss)) | |
1871 | return -1; | |
1872 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP " | |
1873 | "handle %p", bss->nl_mgmt); | |
1874 | ||
1875 | if (drv->nlmode == NL80211_IFTYPE_ADHOC) { | |
1876 | u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4); | |
1877 | ||
1878 | /* register for any AUTH message */ | |
1879 | nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0); | |
1880 | } | |
1881 | ||
1882 | #ifdef CONFIG_INTERWORKING | |
1883 | /* QoS Map Configure */ | |
1884 | if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0) | |
1885 | ret = -1; | |
1886 | #endif /* CONFIG_INTERWORKING */ | |
1887 | #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) | |
1888 | /* GAS Initial Request */ | |
1889 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0) | |
1890 | ret = -1; | |
1891 | /* GAS Initial Response */ | |
1892 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0) | |
1893 | ret = -1; | |
1894 | /* GAS Comeback Request */ | |
1895 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0) | |
1896 | ret = -1; | |
1897 | /* GAS Comeback Response */ | |
1898 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0) | |
1899 | ret = -1; | |
1900 | /* Protected GAS Initial Request */ | |
1901 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0) | |
1902 | ret = -1; | |
1903 | /* Protected GAS Initial Response */ | |
1904 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0) | |
1905 | ret = -1; | |
1906 | /* Protected GAS Comeback Request */ | |
1907 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0) | |
1908 | ret = -1; | |
1909 | /* Protected GAS Comeback Response */ | |
1910 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0) | |
1911 | ret = -1; | |
1912 | #endif /* CONFIG_P2P || CONFIG_INTERWORKING */ | |
1913 | #ifdef CONFIG_P2P | |
1914 | /* P2P Public Action */ | |
1915 | if (nl80211_register_action_frame(bss, | |
1916 | (u8 *) "\x04\x09\x50\x6f\x9a\x09", | |
1917 | 6) < 0) | |
1918 | ret = -1; | |
1919 | /* P2P Action */ | |
1920 | if (nl80211_register_action_frame(bss, | |
1921 | (u8 *) "\x7f\x50\x6f\x9a\x09", | |
1922 | 5) < 0) | |
1923 | ret = -1; | |
1924 | #endif /* CONFIG_P2P */ | |
1925 | #ifdef CONFIG_IEEE80211W | |
1926 | /* SA Query Response */ | |
1927 | if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0) | |
1928 | ret = -1; | |
1929 | #endif /* CONFIG_IEEE80211W */ | |
1930 | #ifdef CONFIG_TDLS | |
1931 | if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) { | |
1932 | /* TDLS Discovery Response */ | |
1933 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) < | |
1934 | 0) | |
1935 | ret = -1; | |
1936 | } | |
1937 | #endif /* CONFIG_TDLS */ | |
1938 | #ifdef CONFIG_FST | |
1939 | /* FST Action frames */ | |
1940 | if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0) | |
1941 | ret = -1; | |
1942 | #endif /* CONFIG_FST */ | |
1943 | ||
1944 | /* FT Action frames */ | |
1945 | if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0) | |
1946 | ret = -1; | |
1947 | else | |
1948 | drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT | | |
1949 | WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK; | |
1950 | ||
1951 | /* WNM - BSS Transition Management Request */ | |
1952 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0) | |
1953 | ret = -1; | |
1954 | /* WNM-Sleep Mode Response */ | |
1955 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0) | |
1956 | ret = -1; | |
1957 | ||
1958 | #ifdef CONFIG_HS20 | |
1959 | /* WNM-Notification */ | |
1960 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0) | |
1961 | ret = -1; | |
1962 | #endif /* CONFIG_HS20 */ | |
1963 | ||
1964 | /* WMM-AC ADDTS Response */ | |
1965 | if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0) | |
1966 | ret = -1; | |
1967 | ||
1968 | /* WMM-AC DELTS */ | |
1969 | if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0) | |
1970 | ret = -1; | |
1971 | ||
1972 | /* Radio Measurement - Neighbor Report Response */ | |
1973 | if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0) | |
1974 | ret = -1; | |
1975 | ||
1976 | /* Radio Measurement - Link Measurement Request */ | |
1977 | if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) && | |
1978 | (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0)) | |
1979 | ret = -1; | |
1980 | ||
1981 | nl80211_mgmt_handle_register_eloop(bss); | |
1982 | ||
1983 | return ret; | |
1984 | } | |
1985 | ||
1986 | ||
1987 | static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss) | |
1988 | { | |
1989 | int ret = 0; | |
1990 | ||
1991 | if (nl80211_alloc_mgmt_handle(bss)) | |
1992 | return -1; | |
1993 | ||
1994 | wpa_printf(MSG_DEBUG, | |
1995 | "nl80211: Subscribe to mgmt frames with mesh handle %p", | |
1996 | bss->nl_mgmt); | |
1997 | ||
1998 | /* Auth frames for mesh SAE */ | |
1999 | if (nl80211_register_frame(bss, bss->nl_mgmt, | |
2000 | (WLAN_FC_TYPE_MGMT << 2) | | |
2001 | (WLAN_FC_STYPE_AUTH << 4), | |
2002 | NULL, 0) < 0) | |
2003 | ret = -1; | |
2004 | ||
2005 | /* Mesh peering open */ | |
2006 | if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0) | |
2007 | ret = -1; | |
2008 | /* Mesh peering confirm */ | |
2009 | if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0) | |
2010 | ret = -1; | |
2011 | /* Mesh peering close */ | |
2012 | if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0) | |
2013 | ret = -1; | |
2014 | ||
2015 | nl80211_mgmt_handle_register_eloop(bss); | |
2016 | ||
2017 | return ret; | |
2018 | } | |
2019 | ||
2020 | ||
2021 | static int nl80211_register_spurious_class3(struct i802_bss *bss) | |
2022 | { | |
2023 | struct nl_msg *msg; | |
2024 | int ret; | |
2025 | ||
2026 | msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME); | |
2027 | ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL); | |
2028 | if (ret) { | |
2029 | wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 " | |
2030 | "failed: ret=%d (%s)", | |
2031 | ret, strerror(-ret)); | |
2032 | } | |
2033 | return ret; | |
2034 | } | |
2035 | ||
2036 | ||
2037 | static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss) | |
2038 | { | |
2039 | static const int stypes[] = { | |
2040 | WLAN_FC_STYPE_AUTH, | |
2041 | WLAN_FC_STYPE_ASSOC_REQ, | |
2042 | WLAN_FC_STYPE_REASSOC_REQ, | |
2043 | WLAN_FC_STYPE_DISASSOC, | |
2044 | WLAN_FC_STYPE_DEAUTH, | |
2045 | WLAN_FC_STYPE_ACTION, | |
2046 | WLAN_FC_STYPE_PROBE_REQ, | |
2047 | /* Beacon doesn't work as mac80211 doesn't currently allow | |
2048 | * it, but it wouldn't really be the right thing anyway as | |
2049 | * it isn't per interface ... maybe just dump the scan | |
2050 | * results periodically for OLBC? | |
2051 | */ | |
2052 | /* WLAN_FC_STYPE_BEACON, */ | |
2053 | }; | |
2054 | unsigned int i; | |
2055 | ||
2056 | if (nl80211_alloc_mgmt_handle(bss)) | |
2057 | return -1; | |
2058 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " | |
2059 | "handle %p", bss->nl_mgmt); | |
2060 | ||
2061 | for (i = 0; i < ARRAY_SIZE(stypes); i++) { | |
2062 | if (nl80211_register_frame(bss, bss->nl_mgmt, | |
2063 | (WLAN_FC_TYPE_MGMT << 2) | | |
2064 | (stypes[i] << 4), | |
2065 | NULL, 0) < 0) { | |
2066 | goto out_err; | |
2067 | } | |
2068 | } | |
2069 | ||
2070 | if (nl80211_register_spurious_class3(bss)) | |
2071 | goto out_err; | |
2072 | ||
2073 | if (nl80211_get_wiphy_data_ap(bss) == NULL) | |
2074 | goto out_err; | |
2075 | ||
2076 | nl80211_mgmt_handle_register_eloop(bss); | |
2077 | return 0; | |
2078 | ||
2079 | out_err: | |
2080 | nl_destroy_handles(&bss->nl_mgmt); | |
2081 | return -1; | |
2082 | } | |
2083 | ||
2084 | ||
2085 | static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss) | |
2086 | { | |
2087 | if (nl80211_alloc_mgmt_handle(bss)) | |
2088 | return -1; | |
2089 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " | |
2090 | "handle %p (device SME)", bss->nl_mgmt); | |
2091 | ||
2092 | if (nl80211_register_frame(bss, bss->nl_mgmt, | |
2093 | (WLAN_FC_TYPE_MGMT << 2) | | |
2094 | (WLAN_FC_STYPE_ACTION << 4), | |
2095 | NULL, 0) < 0) | |
2096 | goto out_err; | |
2097 | ||
2098 | nl80211_mgmt_handle_register_eloop(bss); | |
2099 | return 0; | |
2100 | ||
2101 | out_err: | |
2102 | nl_destroy_handles(&bss->nl_mgmt); | |
2103 | return -1; | |
2104 | } | |
2105 | ||
2106 | ||
2107 | static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason) | |
2108 | { | |
2109 | if (bss->nl_mgmt == NULL) | |
2110 | return; | |
2111 | wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p " | |
2112 | "(%s)", bss->nl_mgmt, reason); | |
2113 | nl80211_destroy_eloop_handle(&bss->nl_mgmt); | |
2114 | ||
2115 | nl80211_put_wiphy_data_ap(bss); | |
2116 | } | |
2117 | ||
2118 | ||
2119 | static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx) | |
2120 | { | |
2121 | wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL); | |
2122 | } | |
2123 | ||
2124 | ||
2125 | static void nl80211_del_p2pdev(struct i802_bss *bss) | |
2126 | { | |
2127 | struct nl_msg *msg; | |
2128 | int ret; | |
2129 | ||
2130 | msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE); | |
2131 | ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
2132 | ||
2133 | wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s", | |
2134 | bss->ifname, (long long unsigned int) bss->wdev_id, | |
2135 | strerror(-ret)); | |
2136 | } | |
2137 | ||
2138 | ||
2139 | static int nl80211_set_p2pdev(struct i802_bss *bss, int start) | |
2140 | { | |
2141 | struct nl_msg *msg; | |
2142 | int ret; | |
2143 | ||
2144 | msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE : | |
2145 | NL80211_CMD_STOP_P2P_DEVICE); | |
2146 | ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
2147 | ||
2148 | wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s", | |
2149 | start ? "Start" : "Stop", | |
2150 | bss->ifname, (long long unsigned int) bss->wdev_id, | |
2151 | strerror(-ret)); | |
2152 | return ret; | |
2153 | } | |
2154 | ||
2155 | ||
2156 | static int i802_set_iface_flags(struct i802_bss *bss, int up) | |
2157 | { | |
2158 | enum nl80211_iftype nlmode; | |
2159 | ||
2160 | nlmode = nl80211_get_ifmode(bss); | |
2161 | if (nlmode != NL80211_IFTYPE_P2P_DEVICE) { | |
2162 | return linux_set_iface_flags(bss->drv->global->ioctl_sock, | |
2163 | bss->ifname, up); | |
2164 | } | |
2165 | ||
2166 | /* P2P Device has start/stop which is equivalent */ | |
2167 | return nl80211_set_p2pdev(bss, up); | |
2168 | } | |
2169 | ||
2170 | ||
2171 | #ifdef CONFIG_TESTING_OPTIONS | |
2172 | static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg) | |
2173 | { | |
2174 | /* struct wpa_driver_nl80211_data *drv = arg; */ | |
2175 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
2176 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
2177 | ||
2178 | ||
2179 | wpa_printf(MSG_DEBUG, | |
2180 | "nl80211: QCA vendor test command response received"); | |
2181 | ||
2182 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
2183 | genlmsg_attrlen(gnlh, 0), NULL); | |
2184 | if (!tb[NL80211_ATTR_VENDOR_DATA]) { | |
2185 | wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute"); | |
2186 | return NL_SKIP; | |
2187 | } | |
2188 | ||
2189 | wpa_hexdump(MSG_DEBUG, | |
2190 | "nl80211: Received QCA vendor test command response", | |
2191 | nla_data(tb[NL80211_ATTR_VENDOR_DATA]), | |
2192 | nla_len(tb[NL80211_ATTR_VENDOR_DATA])); | |
2193 | ||
2194 | return NL_SKIP; | |
2195 | } | |
2196 | #endif /* CONFIG_TESTING_OPTIONS */ | |
2197 | ||
2198 | ||
2199 | static void qca_vendor_test(struct wpa_driver_nl80211_data *drv) | |
2200 | { | |
2201 | #ifdef CONFIG_TESTING_OPTIONS | |
2202 | struct nl_msg *msg; | |
2203 | struct nlattr *params; | |
2204 | int ret; | |
2205 | ||
2206 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
2207 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
2208 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
2209 | QCA_NL80211_VENDOR_SUBCMD_TEST) || | |
2210 | !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
2211 | nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) { | |
2212 | nlmsg_free(msg); | |
2213 | return; | |
2214 | } | |
2215 | nla_nest_end(msg, params); | |
2216 | ||
2217 | ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv); | |
2218 | wpa_printf(MSG_DEBUG, | |
2219 | "nl80211: QCA vendor test command returned %d (%s)", | |
2220 | ret, strerror(-ret)); | |
2221 | #endif /* CONFIG_TESTING_OPTIONS */ | |
2222 | } | |
2223 | ||
2224 | ||
2225 | static int | |
2226 | wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv, | |
2227 | const u8 *set_addr, int first, | |
2228 | const char *driver_params) | |
2229 | { | |
2230 | struct i802_bss *bss = drv->first_bss; | |
2231 | int send_rfkill_event = 0; | |
2232 | enum nl80211_iftype nlmode; | |
2233 | ||
2234 | drv->ifindex = if_nametoindex(bss->ifname); | |
2235 | bss->ifindex = drv->ifindex; | |
2236 | bss->wdev_id = drv->global->if_add_wdevid; | |
2237 | bss->wdev_id_set = drv->global->if_add_wdevid_set; | |
2238 | ||
2239 | bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex; | |
2240 | bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set; | |
2241 | drv->global->if_add_wdevid_set = 0; | |
2242 | ||
2243 | if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP) | |
2244 | bss->static_ap = 1; | |
2245 | ||
2246 | if (first && | |
2247 | nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE && | |
2248 | linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0) | |
2249 | drv->start_iface_up = 1; | |
2250 | ||
2251 | if (wpa_driver_nl80211_capa(drv)) | |
2252 | return -1; | |
2253 | ||
2254 | if (driver_params && nl80211_set_param(bss, driver_params) < 0) | |
2255 | return -1; | |
2256 | ||
2257 | wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s", | |
2258 | bss->ifname, drv->phyname); | |
2259 | ||
2260 | if (set_addr && | |
2261 | (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) || | |
2262 | linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
2263 | set_addr))) | |
2264 | return -1; | |
2265 | ||
2266 | if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP) | |
2267 | drv->start_mode_ap = 1; | |
2268 | ||
2269 | if (drv->hostapd || bss->static_ap) | |
2270 | nlmode = NL80211_IFTYPE_AP; | |
2271 | else if (bss->if_dynamic) | |
2272 | nlmode = nl80211_get_ifmode(bss); | |
2273 | else | |
2274 | nlmode = NL80211_IFTYPE_STATION; | |
2275 | ||
2276 | if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) { | |
2277 | wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode"); | |
2278 | return -1; | |
2279 | } | |
2280 | ||
2281 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
2282 | nl80211_get_macaddr(bss); | |
2283 | ||
2284 | wpa_driver_nl80211_drv_init_rfkill(drv); | |
2285 | ||
2286 | if (!rfkill_is_blocked(drv->rfkill)) { | |
2287 | int ret = i802_set_iface_flags(bss, 1); | |
2288 | if (ret) { | |
2289 | wpa_printf(MSG_ERROR, "nl80211: Could not set " | |
2290 | "interface '%s' UP", bss->ifname); | |
2291 | return ret; | |
2292 | } | |
2293 | ||
2294 | if (is_p2p_net_interface(nlmode)) | |
2295 | nl80211_disable_11b_rates(bss->drv, | |
2296 | bss->drv->ifindex, 1); | |
2297 | ||
2298 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
2299 | return ret; | |
2300 | } else { | |
2301 | wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable " | |
2302 | "interface '%s' due to rfkill", bss->ifname); | |
2303 | if (nlmode != NL80211_IFTYPE_P2P_DEVICE) | |
2304 | drv->if_disabled = 1; | |
2305 | ||
2306 | send_rfkill_event = 1; | |
2307 | } | |
2308 | ||
2309 | if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE) | |
2310 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, | |
2311 | 1, IF_OPER_DORMANT); | |
2312 | ||
2313 | if (nlmode != NL80211_IFTYPE_P2P_DEVICE) { | |
2314 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
2315 | bss->addr)) | |
2316 | return -1; | |
2317 | os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN); | |
2318 | } | |
2319 | ||
2320 | if (send_rfkill_event) { | |
2321 | eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill, | |
2322 | drv, drv->ctx); | |
2323 | } | |
2324 | ||
2325 | if (drv->vendor_cmd_test_avail) | |
2326 | qca_vendor_test(drv); | |
2327 | ||
2328 | return 0; | |
2329 | } | |
2330 | ||
2331 | ||
2332 | static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv) | |
2333 | { | |
2334 | struct nl_msg *msg; | |
2335 | ||
2336 | wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)", | |
2337 | drv->ifindex); | |
2338 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON); | |
2339 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
2340 | } | |
2341 | ||
2342 | ||
2343 | /** | |
2344 | * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface | |
2345 | * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init() | |
2346 | * | |
2347 | * Shut down driver interface and processing of driver events. Free | |
2348 | * private data buffer if one was allocated in wpa_driver_nl80211_init(). | |
2349 | */ | |
2350 | static void wpa_driver_nl80211_deinit(struct i802_bss *bss) | |
2351 | { | |
2352 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2353 | ||
2354 | wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d", | |
2355 | bss->ifname, drv->disabled_11b_rates); | |
2356 | ||
2357 | bss->in_deinit = 1; | |
2358 | if (drv->data_tx_status) | |
2359 | eloop_unregister_read_sock(drv->eapol_tx_sock); | |
2360 | if (drv->eapol_tx_sock >= 0) | |
2361 | close(drv->eapol_tx_sock); | |
2362 | ||
2363 | if (bss->nl_preq) | |
2364 | wpa_driver_nl80211_probe_req_report(bss, 0); | |
2365 | if (bss->added_if_into_bridge) { | |
2366 | if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, | |
2367 | bss->ifname) < 0) | |
2368 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
2369 | "interface %s from bridge %s: %s", | |
2370 | bss->ifname, bss->brname, strerror(errno)); | |
2371 | if (drv->rtnl_sk) | |
2372 | nl80211_handle_destroy(drv->rtnl_sk); | |
2373 | } | |
2374 | if (bss->added_bridge) { | |
2375 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname, | |
2376 | 0) < 0) | |
2377 | wpa_printf(MSG_INFO, | |
2378 | "nl80211: Could not set bridge %s down", | |
2379 | bss->brname); | |
2380 | if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) | |
2381 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
2382 | "bridge %s: %s", | |
2383 | bss->brname, strerror(errno)); | |
2384 | } | |
2385 | ||
2386 | nl80211_remove_monitor_interface(drv); | |
2387 | ||
2388 | if (is_ap_interface(drv->nlmode)) | |
2389 | wpa_driver_nl80211_del_beacon(drv); | |
2390 | ||
2391 | if (drv->eapol_sock >= 0) { | |
2392 | eloop_unregister_read_sock(drv->eapol_sock); | |
2393 | close(drv->eapol_sock); | |
2394 | } | |
2395 | ||
2396 | if (drv->if_indices != drv->default_if_indices) | |
2397 | os_free(drv->if_indices); | |
2398 | ||
2399 | if (drv->if_indices_reason != drv->default_if_indices_reason) | |
2400 | os_free(drv->if_indices_reason); | |
2401 | ||
2402 | if (drv->disabled_11b_rates) | |
2403 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); | |
2404 | ||
2405 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0, | |
2406 | IF_OPER_UP); | |
2407 | eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx); | |
2408 | rfkill_deinit(drv->rfkill); | |
2409 | ||
2410 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); | |
2411 | ||
2412 | if (!drv->start_iface_up) | |
2413 | (void) i802_set_iface_flags(bss, 0); | |
2414 | ||
2415 | if (drv->addr_changed) { | |
2416 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, | |
2417 | 0) < 0) { | |
2418 | wpa_printf(MSG_DEBUG, | |
2419 | "nl80211: Could not set interface down to restore permanent MAC address"); | |
2420 | } | |
2421 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
2422 | drv->perm_addr) < 0) { | |
2423 | wpa_printf(MSG_DEBUG, | |
2424 | "nl80211: Could not restore permanent MAC address"); | |
2425 | } | |
2426 | } | |
2427 | ||
2428 | if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) { | |
2429 | if (!drv->hostapd || !drv->start_mode_ap) | |
2430 | wpa_driver_nl80211_set_mode(bss, | |
2431 | NL80211_IFTYPE_STATION); | |
2432 | nl80211_mgmt_unsubscribe(bss, "deinit"); | |
2433 | } else { | |
2434 | nl80211_mgmt_unsubscribe(bss, "deinit"); | |
2435 | nl80211_del_p2pdev(bss); | |
2436 | } | |
2437 | ||
2438 | nl80211_destroy_bss(drv->first_bss); | |
2439 | ||
2440 | os_free(drv->filter_ssids); | |
2441 | ||
2442 | os_free(drv->auth_ie); | |
2443 | ||
2444 | if (drv->in_interface_list) | |
2445 | dl_list_del(&drv->list); | |
2446 | ||
2447 | os_free(drv->extended_capa); | |
2448 | os_free(drv->extended_capa_mask); | |
2449 | os_free(drv->first_bss); | |
2450 | os_free(drv); | |
2451 | } | |
2452 | ||
2453 | ||
2454 | static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len) | |
2455 | { | |
2456 | switch (alg) { | |
2457 | case WPA_ALG_WEP: | |
2458 | if (key_len == 5) | |
2459 | return WLAN_CIPHER_SUITE_WEP40; | |
2460 | return WLAN_CIPHER_SUITE_WEP104; | |
2461 | case WPA_ALG_TKIP: | |
2462 | return WLAN_CIPHER_SUITE_TKIP; | |
2463 | case WPA_ALG_CCMP: | |
2464 | return WLAN_CIPHER_SUITE_CCMP; | |
2465 | case WPA_ALG_GCMP: | |
2466 | return WLAN_CIPHER_SUITE_GCMP; | |
2467 | case WPA_ALG_CCMP_256: | |
2468 | return WLAN_CIPHER_SUITE_CCMP_256; | |
2469 | case WPA_ALG_GCMP_256: | |
2470 | return WLAN_CIPHER_SUITE_GCMP_256; | |
2471 | case WPA_ALG_IGTK: | |
2472 | return WLAN_CIPHER_SUITE_AES_CMAC; | |
2473 | case WPA_ALG_BIP_GMAC_128: | |
2474 | return WLAN_CIPHER_SUITE_BIP_GMAC_128; | |
2475 | case WPA_ALG_BIP_GMAC_256: | |
2476 | return WLAN_CIPHER_SUITE_BIP_GMAC_256; | |
2477 | case WPA_ALG_BIP_CMAC_256: | |
2478 | return WLAN_CIPHER_SUITE_BIP_CMAC_256; | |
2479 | case WPA_ALG_SMS4: | |
2480 | return WLAN_CIPHER_SUITE_SMS4; | |
2481 | case WPA_ALG_KRK: | |
2482 | return WLAN_CIPHER_SUITE_KRK; | |
2483 | case WPA_ALG_NONE: | |
2484 | case WPA_ALG_PMK: | |
2485 | wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d", | |
2486 | alg); | |
2487 | return 0; | |
2488 | } | |
2489 | ||
2490 | wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d", | |
2491 | alg); | |
2492 | return 0; | |
2493 | } | |
2494 | ||
2495 | ||
2496 | static u32 wpa_cipher_to_cipher_suite(unsigned int cipher) | |
2497 | { | |
2498 | switch (cipher) { | |
2499 | case WPA_CIPHER_CCMP_256: | |
2500 | return WLAN_CIPHER_SUITE_CCMP_256; | |
2501 | case WPA_CIPHER_GCMP_256: | |
2502 | return WLAN_CIPHER_SUITE_GCMP_256; | |
2503 | case WPA_CIPHER_CCMP: | |
2504 | return WLAN_CIPHER_SUITE_CCMP; | |
2505 | case WPA_CIPHER_GCMP: | |
2506 | return WLAN_CIPHER_SUITE_GCMP; | |
2507 | case WPA_CIPHER_TKIP: | |
2508 | return WLAN_CIPHER_SUITE_TKIP; | |
2509 | case WPA_CIPHER_WEP104: | |
2510 | return WLAN_CIPHER_SUITE_WEP104; | |
2511 | case WPA_CIPHER_WEP40: | |
2512 | return WLAN_CIPHER_SUITE_WEP40; | |
2513 | case WPA_CIPHER_GTK_NOT_USED: | |
2514 | return WLAN_CIPHER_SUITE_NO_GROUP_ADDR; | |
2515 | } | |
2516 | ||
2517 | return 0; | |
2518 | } | |
2519 | ||
2520 | ||
2521 | static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[], | |
2522 | int max_suites) | |
2523 | { | |
2524 | int num_suites = 0; | |
2525 | ||
2526 | if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256) | |
2527 | suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256; | |
2528 | if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256) | |
2529 | suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256; | |
2530 | if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP) | |
2531 | suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP; | |
2532 | if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP) | |
2533 | suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP; | |
2534 | if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP) | |
2535 | suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP; | |
2536 | if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104) | |
2537 | suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104; | |
2538 | if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40) | |
2539 | suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40; | |
2540 | ||
2541 | return num_suites; | |
2542 | } | |
2543 | ||
2544 | ||
2545 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
2546 | static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv, | |
2547 | const u8 *key, size_t key_len) | |
2548 | { | |
2549 | struct nl_msg *msg; | |
2550 | int ret; | |
2551 | ||
2552 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) | |
2553 | return 0; | |
2554 | ||
2555 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
2556 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
2557 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
2558 | QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) || | |
2559 | nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) { | |
2560 | nl80211_nlmsg_clear(msg); | |
2561 | nlmsg_free(msg); | |
2562 | return -1; | |
2563 | } | |
2564 | ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1); | |
2565 | if (ret) { | |
2566 | wpa_printf(MSG_DEBUG, | |
2567 | "nl80211: Key management set key failed: ret=%d (%s)", | |
2568 | ret, strerror(-ret)); | |
2569 | } | |
2570 | ||
2571 | return ret; | |
2572 | } | |
2573 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
2574 | ||
2575 | ||
2576 | static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss, | |
2577 | enum wpa_alg alg, const u8 *addr, | |
2578 | int key_idx, int set_tx, | |
2579 | const u8 *seq, size_t seq_len, | |
2580 | const u8 *key, size_t key_len) | |
2581 | { | |
2582 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2583 | int ifindex; | |
2584 | struct nl_msg *msg = NULL; | |
2585 | int ret; | |
2586 | int tdls = 0; | |
2587 | ||
2588 | /* Ignore for P2P Device */ | |
2589 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
2590 | return 0; | |
2591 | ||
2592 | ifindex = if_nametoindex(ifname); | |
2593 | wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d " | |
2594 | "set_tx=%d seq_len=%lu key_len=%lu", | |
2595 | __func__, ifindex, ifname, alg, addr, key_idx, set_tx, | |
2596 | (unsigned long) seq_len, (unsigned long) key_len); | |
2597 | #ifdef CONFIG_TDLS | |
2598 | if (key_idx == -1) { | |
2599 | key_idx = 0; | |
2600 | tdls = 1; | |
2601 | } | |
2602 | #endif /* CONFIG_TDLS */ | |
2603 | ||
2604 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
2605 | if (alg == WPA_ALG_PMK && | |
2606 | (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) { | |
2607 | wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key", | |
2608 | __func__); | |
2609 | ret = issue_key_mgmt_set_key(drv, key, key_len); | |
2610 | return ret; | |
2611 | } | |
2612 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
2613 | ||
2614 | if (alg == WPA_ALG_NONE) { | |
2615 | msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY); | |
2616 | if (!msg) | |
2617 | return -ENOBUFS; | |
2618 | } else { | |
2619 | u32 suite; | |
2620 | ||
2621 | suite = wpa_alg_to_cipher_suite(alg, key_len); | |
2622 | if (!suite) | |
2623 | goto fail; | |
2624 | msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY); | |
2625 | if (!msg || | |
2626 | nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) || | |
2627 | nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite)) | |
2628 | goto fail; | |
2629 | wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len); | |
2630 | } | |
2631 | ||
2632 | if (seq && seq_len) { | |
2633 | if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq)) | |
2634 | goto fail; | |
2635 | wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len); | |
2636 | } | |
2637 | ||
2638 | if (addr && !is_broadcast_ether_addr(addr)) { | |
2639 | wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr)); | |
2640 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
2641 | goto fail; | |
2642 | ||
2643 | if (alg != WPA_ALG_WEP && key_idx && !set_tx) { | |
2644 | wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK"); | |
2645 | if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, | |
2646 | NL80211_KEYTYPE_GROUP)) | |
2647 | goto fail; | |
2648 | } | |
2649 | } else if (addr && is_broadcast_ether_addr(addr)) { | |
2650 | struct nlattr *types; | |
2651 | ||
2652 | wpa_printf(MSG_DEBUG, " broadcast key"); | |
2653 | ||
2654 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
2655 | if (!types || | |
2656 | nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST)) | |
2657 | goto fail; | |
2658 | nla_nest_end(msg, types); | |
2659 | } | |
2660 | if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2661 | goto fail; | |
2662 | ||
2663 | ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL); | |
2664 | if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE) | |
2665 | ret = 0; | |
2666 | if (ret) | |
2667 | wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)", | |
2668 | ret, strerror(-ret)); | |
2669 | ||
2670 | /* | |
2671 | * If we failed or don't need to set the default TX key (below), | |
2672 | * we're done here. | |
2673 | */ | |
2674 | if (ret || !set_tx || alg == WPA_ALG_NONE || tdls) | |
2675 | return ret; | |
2676 | if (is_ap_interface(drv->nlmode) && addr && | |
2677 | !is_broadcast_ether_addr(addr)) | |
2678 | return ret; | |
2679 | ||
2680 | msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY); | |
2681 | if (!msg || | |
2682 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) || | |
2683 | nla_put_flag(msg, (alg == WPA_ALG_IGTK || | |
2684 | alg == WPA_ALG_BIP_GMAC_128 || | |
2685 | alg == WPA_ALG_BIP_GMAC_256 || | |
2686 | alg == WPA_ALG_BIP_CMAC_256) ? | |
2687 | NL80211_ATTR_KEY_DEFAULT_MGMT : | |
2688 | NL80211_ATTR_KEY_DEFAULT)) | |
2689 | goto fail; | |
2690 | if (addr && is_broadcast_ether_addr(addr)) { | |
2691 | struct nlattr *types; | |
2692 | ||
2693 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
2694 | if (!types || | |
2695 | nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST)) | |
2696 | goto fail; | |
2697 | nla_nest_end(msg, types); | |
2698 | } else if (addr) { | |
2699 | struct nlattr *types; | |
2700 | ||
2701 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
2702 | if (!types || | |
2703 | nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST)) | |
2704 | goto fail; | |
2705 | nla_nest_end(msg, types); | |
2706 | } | |
2707 | ||
2708 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
2709 | if (ret == -ENOENT) | |
2710 | ret = 0; | |
2711 | if (ret) | |
2712 | wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; " | |
2713 | "err=%d %s)", ret, strerror(-ret)); | |
2714 | return ret; | |
2715 | ||
2716 | fail: | |
2717 | nl80211_nlmsg_clear(msg); | |
2718 | nlmsg_free(msg); | |
2719 | return -ENOBUFS; | |
2720 | } | |
2721 | ||
2722 | ||
2723 | static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg, | |
2724 | int key_idx, int defkey, | |
2725 | const u8 *seq, size_t seq_len, | |
2726 | const u8 *key, size_t key_len) | |
2727 | { | |
2728 | struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY); | |
2729 | u32 suite; | |
2730 | ||
2731 | if (!key_attr) | |
2732 | return -1; | |
2733 | ||
2734 | suite = wpa_alg_to_cipher_suite(alg, key_len); | |
2735 | if (!suite) | |
2736 | return -1; | |
2737 | ||
2738 | if (defkey && alg == WPA_ALG_IGTK) { | |
2739 | if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT)) | |
2740 | return -1; | |
2741 | } else if (defkey) { | |
2742 | if (nla_put_flag(msg, NL80211_KEY_DEFAULT)) | |
2743 | return -1; | |
2744 | } | |
2745 | ||
2746 | if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) || | |
2747 | nla_put_u32(msg, NL80211_KEY_CIPHER, suite) || | |
2748 | (seq && seq_len && | |
2749 | nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) || | |
2750 | nla_put(msg, NL80211_KEY_DATA, key_len, key)) | |
2751 | return -1; | |
2752 | ||
2753 | nla_nest_end(msg, key_attr); | |
2754 | ||
2755 | return 0; | |
2756 | } | |
2757 | ||
2758 | ||
2759 | static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params, | |
2760 | struct nl_msg *msg) | |
2761 | { | |
2762 | int i, privacy = 0; | |
2763 | struct nlattr *nl_keys, *nl_key; | |
2764 | ||
2765 | for (i = 0; i < 4; i++) { | |
2766 | if (!params->wep_key[i]) | |
2767 | continue; | |
2768 | privacy = 1; | |
2769 | break; | |
2770 | } | |
2771 | if (params->wps == WPS_MODE_PRIVACY) | |
2772 | privacy = 1; | |
2773 | if (params->pairwise_suite && | |
2774 | params->pairwise_suite != WPA_CIPHER_NONE) | |
2775 | privacy = 1; | |
2776 | ||
2777 | if (!privacy) | |
2778 | return 0; | |
2779 | ||
2780 | if (nla_put_flag(msg, NL80211_ATTR_PRIVACY)) | |
2781 | return -ENOBUFS; | |
2782 | ||
2783 | nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS); | |
2784 | if (!nl_keys) | |
2785 | return -ENOBUFS; | |
2786 | ||
2787 | for (i = 0; i < 4; i++) { | |
2788 | if (!params->wep_key[i]) | |
2789 | continue; | |
2790 | ||
2791 | nl_key = nla_nest_start(msg, i); | |
2792 | if (!nl_key || | |
2793 | nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i], | |
2794 | params->wep_key[i]) || | |
2795 | nla_put_u32(msg, NL80211_KEY_CIPHER, | |
2796 | params->wep_key_len[i] == 5 ? | |
2797 | WLAN_CIPHER_SUITE_WEP40 : | |
2798 | WLAN_CIPHER_SUITE_WEP104) || | |
2799 | nla_put_u8(msg, NL80211_KEY_IDX, i) || | |
2800 | (i == params->wep_tx_keyidx && | |
2801 | nla_put_flag(msg, NL80211_KEY_DEFAULT))) | |
2802 | return -ENOBUFS; | |
2803 | ||
2804 | nla_nest_end(msg, nl_key); | |
2805 | } | |
2806 | nla_nest_end(msg, nl_keys); | |
2807 | ||
2808 | return 0; | |
2809 | } | |
2810 | ||
2811 | ||
2812 | int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, | |
2813 | const u8 *addr, int cmd, u16 reason_code, | |
2814 | int local_state_change) | |
2815 | { | |
2816 | int ret; | |
2817 | struct nl_msg *msg; | |
2818 | ||
2819 | if (!(msg = nl80211_drv_msg(drv, 0, cmd)) || | |
2820 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) || | |
2821 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
2822 | (local_state_change && | |
2823 | nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) { | |
2824 | nlmsg_free(msg); | |
2825 | return -1; | |
2826 | } | |
2827 | ||
2828 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
2829 | if (ret) { | |
2830 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
2831 | "nl80211: MLME command failed: reason=%u ret=%d (%s)", | |
2832 | reason_code, ret, strerror(-ret)); | |
2833 | } | |
2834 | return ret; | |
2835 | } | |
2836 | ||
2837 | ||
2838 | static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv, | |
2839 | int reason_code) | |
2840 | { | |
2841 | int ret; | |
2842 | ||
2843 | wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code); | |
2844 | nl80211_mark_disconnected(drv); | |
2845 | /* Disconnect command doesn't need BSSID - it uses cached value */ | |
2846 | ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT, | |
2847 | reason_code, 0); | |
2848 | /* | |
2849 | * For locally generated disconnect, supplicant already generates a | |
2850 | * DEAUTH event, so ignore the event from NL80211. | |
2851 | */ | |
2852 | drv->ignore_next_local_disconnect = ret == 0; | |
2853 | ||
2854 | return ret; | |
2855 | } | |
2856 | ||
2857 | ||
2858 | static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss, | |
2859 | const u8 *addr, int reason_code) | |
2860 | { | |
2861 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2862 | int ret; | |
2863 | ||
2864 | if (drv->nlmode == NL80211_IFTYPE_ADHOC) { | |
2865 | nl80211_mark_disconnected(drv); | |
2866 | return nl80211_leave_ibss(drv, 1); | |
2867 | } | |
2868 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) | |
2869 | return wpa_driver_nl80211_disconnect(drv, reason_code); | |
2870 | wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)", | |
2871 | __func__, MAC2STR(addr), reason_code); | |
2872 | nl80211_mark_disconnected(drv); | |
2873 | ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE, | |
2874 | reason_code, 0); | |
2875 | /* | |
2876 | * For locally generated deauthenticate, supplicant already generates a | |
2877 | * DEAUTH event, so ignore the event from NL80211. | |
2878 | */ | |
2879 | drv->ignore_next_local_deauth = ret == 0; | |
2880 | return ret; | |
2881 | } | |
2882 | ||
2883 | ||
2884 | static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv, | |
2885 | struct wpa_driver_auth_params *params) | |
2886 | { | |
2887 | int i; | |
2888 | ||
2889 | drv->auth_freq = params->freq; | |
2890 | drv->auth_alg = params->auth_alg; | |
2891 | drv->auth_wep_tx_keyidx = params->wep_tx_keyidx; | |
2892 | drv->auth_local_state_change = params->local_state_change; | |
2893 | drv->auth_p2p = params->p2p; | |
2894 | ||
2895 | if (params->bssid) | |
2896 | os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN); | |
2897 | else | |
2898 | os_memset(drv->auth_bssid_, 0, ETH_ALEN); | |
2899 | ||
2900 | if (params->ssid) { | |
2901 | os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len); | |
2902 | drv->auth_ssid_len = params->ssid_len; | |
2903 | } else | |
2904 | drv->auth_ssid_len = 0; | |
2905 | ||
2906 | ||
2907 | os_free(drv->auth_ie); | |
2908 | drv->auth_ie = NULL; | |
2909 | drv->auth_ie_len = 0; | |
2910 | if (params->ie) { | |
2911 | drv->auth_ie = os_malloc(params->ie_len); | |
2912 | if (drv->auth_ie) { | |
2913 | os_memcpy(drv->auth_ie, params->ie, params->ie_len); | |
2914 | drv->auth_ie_len = params->ie_len; | |
2915 | } | |
2916 | } | |
2917 | ||
2918 | for (i = 0; i < 4; i++) { | |
2919 | if (params->wep_key[i] && params->wep_key_len[i] && | |
2920 | params->wep_key_len[i] <= 16) { | |
2921 | os_memcpy(drv->auth_wep_key[i], params->wep_key[i], | |
2922 | params->wep_key_len[i]); | |
2923 | drv->auth_wep_key_len[i] = params->wep_key_len[i]; | |
2924 | } else | |
2925 | drv->auth_wep_key_len[i] = 0; | |
2926 | } | |
2927 | } | |
2928 | ||
2929 | ||
2930 | static void nl80211_unmask_11b_rates(struct i802_bss *bss) | |
2931 | { | |
2932 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2933 | ||
2934 | if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates) | |
2935 | return; | |
2936 | ||
2937 | /* | |
2938 | * Looks like we failed to unmask 11b rates previously. This could | |
2939 | * happen, e.g., if the interface was down at the point in time when a | |
2940 | * P2P group was terminated. | |
2941 | */ | |
2942 | wpa_printf(MSG_DEBUG, | |
2943 | "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them", | |
2944 | bss->ifname); | |
2945 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); | |
2946 | } | |
2947 | ||
2948 | ||
2949 | static int wpa_driver_nl80211_authenticate( | |
2950 | struct i802_bss *bss, struct wpa_driver_auth_params *params) | |
2951 | { | |
2952 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2953 | int ret = -1, i; | |
2954 | struct nl_msg *msg; | |
2955 | enum nl80211_auth_type type; | |
2956 | enum nl80211_iftype nlmode; | |
2957 | int count = 0; | |
2958 | int is_retry; | |
2959 | ||
2960 | nl80211_unmask_11b_rates(bss); | |
2961 | ||
2962 | is_retry = drv->retry_auth; | |
2963 | drv->retry_auth = 0; | |
2964 | drv->ignore_deauth_event = 0; | |
2965 | ||
2966 | nl80211_mark_disconnected(drv); | |
2967 | os_memset(drv->auth_bssid, 0, ETH_ALEN); | |
2968 | if (params->bssid) | |
2969 | os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN); | |
2970 | else | |
2971 | os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN); | |
2972 | /* FIX: IBSS mode */ | |
2973 | nlmode = params->p2p ? | |
2974 | NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; | |
2975 | if (drv->nlmode != nlmode && | |
2976 | wpa_driver_nl80211_set_mode(bss, nlmode) < 0) | |
2977 | return -1; | |
2978 | ||
2979 | retry: | |
2980 | wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)", | |
2981 | drv->ifindex); | |
2982 | ||
2983 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE); | |
2984 | if (!msg) | |
2985 | goto fail; | |
2986 | ||
2987 | for (i = 0; i < 4; i++) { | |
2988 | if (!params->wep_key[i]) | |
2989 | continue; | |
2990 | wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP, | |
2991 | NULL, i, | |
2992 | i == params->wep_tx_keyidx, NULL, 0, | |
2993 | params->wep_key[i], | |
2994 | params->wep_key_len[i]); | |
2995 | if (params->wep_tx_keyidx != i) | |
2996 | continue; | |
2997 | if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0, | |
2998 | params->wep_key[i], params->wep_key_len[i])) | |
2999 | goto fail; | |
3000 | } | |
3001 | ||
3002 | if (params->bssid) { | |
3003 | wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, | |
3004 | MAC2STR(params->bssid)); | |
3005 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) | |
3006 | goto fail; | |
3007 | } | |
3008 | if (params->freq) { | |
3009 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); | |
3010 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq)) | |
3011 | goto fail; | |
3012 | } | |
3013 | if (params->ssid) { | |
3014 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
3015 | params->ssid, params->ssid_len); | |
3016 | if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, | |
3017 | params->ssid)) | |
3018 | goto fail; | |
3019 | } | |
3020 | wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len); | |
3021 | if (params->ie && | |
3022 | nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie)) | |
3023 | goto fail; | |
3024 | if (params->sae_data) { | |
3025 | wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data, | |
3026 | params->sae_data_len); | |
3027 | if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len, | |
3028 | params->sae_data)) | |
3029 | goto fail; | |
3030 | } | |
3031 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) | |
3032 | type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
3033 | else if (params->auth_alg & WPA_AUTH_ALG_SHARED) | |
3034 | type = NL80211_AUTHTYPE_SHARED_KEY; | |
3035 | else if (params->auth_alg & WPA_AUTH_ALG_LEAP) | |
3036 | type = NL80211_AUTHTYPE_NETWORK_EAP; | |
3037 | else if (params->auth_alg & WPA_AUTH_ALG_FT) | |
3038 | type = NL80211_AUTHTYPE_FT; | |
3039 | else if (params->auth_alg & WPA_AUTH_ALG_SAE) | |
3040 | type = NL80211_AUTHTYPE_SAE; | |
3041 | else | |
3042 | goto fail; | |
3043 | wpa_printf(MSG_DEBUG, " * Auth Type %d", type); | |
3044 | if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type)) | |
3045 | goto fail; | |
3046 | if (params->local_state_change) { | |
3047 | wpa_printf(MSG_DEBUG, " * Local state change only"); | |
3048 | if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE)) | |
3049 | goto fail; | |
3050 | } | |
3051 | ||
3052 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3053 | msg = NULL; | |
3054 | if (ret) { | |
3055 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
3056 | "nl80211: MLME command failed (auth): ret=%d (%s)", | |
3057 | ret, strerror(-ret)); | |
3058 | count++; | |
3059 | if (ret == -EALREADY && count == 1 && params->bssid && | |
3060 | !params->local_state_change) { | |
3061 | /* | |
3062 | * mac80211 does not currently accept new | |
3063 | * authentication if we are already authenticated. As a | |
3064 | * workaround, force deauthentication and try again. | |
3065 | */ | |
3066 | wpa_printf(MSG_DEBUG, "nl80211: Retry authentication " | |
3067 | "after forced deauthentication"); | |
3068 | drv->ignore_deauth_event = 1; | |
3069 | wpa_driver_nl80211_deauthenticate( | |
3070 | bss, params->bssid, | |
3071 | WLAN_REASON_PREV_AUTH_NOT_VALID); | |
3072 | nlmsg_free(msg); | |
3073 | goto retry; | |
3074 | } | |
3075 | ||
3076 | if (ret == -ENOENT && params->freq && !is_retry) { | |
3077 | /* | |
3078 | * cfg80211 has likely expired the BSS entry even | |
3079 | * though it was previously available in our internal | |
3080 | * BSS table. To recover quickly, start a single | |
3081 | * channel scan on the specified channel. | |
3082 | */ | |
3083 | struct wpa_driver_scan_params scan; | |
3084 | int freqs[2]; | |
3085 | ||
3086 | os_memset(&scan, 0, sizeof(scan)); | |
3087 | scan.num_ssids = 1; | |
3088 | if (params->ssid) { | |
3089 | scan.ssids[0].ssid = params->ssid; | |
3090 | scan.ssids[0].ssid_len = params->ssid_len; | |
3091 | } | |
3092 | freqs[0] = params->freq; | |
3093 | freqs[1] = 0; | |
3094 | scan.freqs = freqs; | |
3095 | wpa_printf(MSG_DEBUG, "nl80211: Trigger single " | |
3096 | "channel scan to refresh cfg80211 BSS " | |
3097 | "entry"); | |
3098 | ret = wpa_driver_nl80211_scan(bss, &scan); | |
3099 | if (ret == 0) { | |
3100 | nl80211_copy_auth_params(drv, params); | |
3101 | drv->scan_for_auth = 1; | |
3102 | } | |
3103 | } else if (is_retry) { | |
3104 | /* | |
3105 | * Need to indicate this with an event since the return | |
3106 | * value from the retry is not delivered to core code. | |
3107 | */ | |
3108 | union wpa_event_data event; | |
3109 | wpa_printf(MSG_DEBUG, "nl80211: Authentication retry " | |
3110 | "failed"); | |
3111 | os_memset(&event, 0, sizeof(event)); | |
3112 | os_memcpy(event.timeout_event.addr, drv->auth_bssid_, | |
3113 | ETH_ALEN); | |
3114 | wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT, | |
3115 | &event); | |
3116 | } | |
3117 | } else { | |
3118 | wpa_printf(MSG_DEBUG, | |
3119 | "nl80211: Authentication request send successfully"); | |
3120 | } | |
3121 | ||
3122 | fail: | |
3123 | nlmsg_free(msg); | |
3124 | return ret; | |
3125 | } | |
3126 | ||
3127 | ||
3128 | int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv) | |
3129 | { | |
3130 | struct wpa_driver_auth_params params; | |
3131 | struct i802_bss *bss = drv->first_bss; | |
3132 | int i; | |
3133 | ||
3134 | wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again"); | |
3135 | ||
3136 | os_memset(¶ms, 0, sizeof(params)); | |
3137 | params.freq = drv->auth_freq; | |
3138 | params.auth_alg = drv->auth_alg; | |
3139 | params.wep_tx_keyidx = drv->auth_wep_tx_keyidx; | |
3140 | params.local_state_change = drv->auth_local_state_change; | |
3141 | params.p2p = drv->auth_p2p; | |
3142 | ||
3143 | if (!is_zero_ether_addr(drv->auth_bssid_)) | |
3144 | params.bssid = drv->auth_bssid_; | |
3145 | ||
3146 | if (drv->auth_ssid_len) { | |
3147 | params.ssid = drv->auth_ssid; | |
3148 | params.ssid_len = drv->auth_ssid_len; | |
3149 | } | |
3150 | ||
3151 | params.ie = drv->auth_ie; | |
3152 | params.ie_len = drv->auth_ie_len; | |
3153 | ||
3154 | for (i = 0; i < 4; i++) { | |
3155 | if (drv->auth_wep_key_len[i]) { | |
3156 | params.wep_key[i] = drv->auth_wep_key[i]; | |
3157 | params.wep_key_len[i] = drv->auth_wep_key_len[i]; | |
3158 | } | |
3159 | } | |
3160 | ||
3161 | drv->retry_auth = 1; | |
3162 | return wpa_driver_nl80211_authenticate(bss, ¶ms); | |
3163 | } | |
3164 | ||
3165 | ||
3166 | static int wpa_driver_nl80211_send_frame(struct i802_bss *bss, | |
3167 | const void *data, size_t len, | |
3168 | int encrypt, int noack, | |
3169 | unsigned int freq, int no_cck, | |
3170 | int offchanok, unsigned int wait_time, | |
3171 | const u16 *csa_offs, | |
3172 | size_t csa_offs_len) | |
3173 | { | |
3174 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3175 | u64 cookie; | |
3176 | int res; | |
3177 | ||
3178 | if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) { | |
3179 | freq = nl80211_get_assoc_freq(drv); | |
3180 | wpa_printf(MSG_DEBUG, | |
3181 | "nl80211: send_frame - Use assoc_freq=%u for IBSS", | |
3182 | freq); | |
3183 | } | |
3184 | if (freq == 0) { | |
3185 | wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u", | |
3186 | bss->freq); | |
3187 | freq = bss->freq; | |
3188 | } | |
3189 | ||
3190 | if (drv->use_monitor) { | |
3191 | wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor", | |
3192 | freq, bss->freq); | |
3193 | return nl80211_send_monitor(drv, data, len, encrypt, noack); | |
3194 | } | |
3195 | ||
3196 | wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd"); | |
3197 | res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len, | |
3198 | &cookie, no_cck, noack, offchanok, | |
3199 | csa_offs, csa_offs_len); | |
3200 | if (res == 0 && !noack) { | |
3201 | const struct ieee80211_mgmt *mgmt; | |
3202 | u16 fc; | |
3203 | ||
3204 | mgmt = (const struct ieee80211_mgmt *) data; | |
3205 | fc = le_to_host16(mgmt->frame_control); | |
3206 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
3207 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) { | |
3208 | wpa_printf(MSG_MSGDUMP, | |
3209 | "nl80211: Update send_action_cookie from 0x%llx to 0x%llx", | |
3210 | (long long unsigned int) | |
3211 | drv->send_action_cookie, | |
3212 | (long long unsigned int) cookie); | |
3213 | drv->send_action_cookie = cookie; | |
3214 | } | |
3215 | } | |
3216 | ||
3217 | return res; | |
3218 | } | |
3219 | ||
3220 | ||
3221 | static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data, | |
3222 | size_t data_len, int noack, | |
3223 | unsigned int freq, int no_cck, | |
3224 | int offchanok, | |
3225 | unsigned int wait_time, | |
3226 | const u16 *csa_offs, | |
3227 | size_t csa_offs_len) | |
3228 | { | |
3229 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3230 | struct ieee80211_mgmt *mgmt; | |
3231 | int encrypt = 1; | |
3232 | u16 fc; | |
3233 | ||
3234 | mgmt = (struct ieee80211_mgmt *) data; | |
3235 | fc = le_to_host16(mgmt->frame_control); | |
3236 | wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR | |
3237 | " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d", | |
3238 | MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time, | |
3239 | fc, fc2str(fc), drv->nlmode); | |
3240 | ||
3241 | if ((is_sta_interface(drv->nlmode) || | |
3242 | drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) && | |
3243 | WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
3244 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) { | |
3245 | /* | |
3246 | * The use of last_mgmt_freq is a bit of a hack, | |
3247 | * but it works due to the single-threaded nature | |
3248 | * of wpa_supplicant. | |
3249 | */ | |
3250 | if (freq == 0) { | |
3251 | wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d", | |
3252 | drv->last_mgmt_freq); | |
3253 | freq = drv->last_mgmt_freq; | |
3254 | } | |
3255 | return nl80211_send_frame_cmd(bss, freq, 0, | |
3256 | data, data_len, NULL, 1, noack, | |
3257 | 1, csa_offs, csa_offs_len); | |
3258 | } | |
3259 | ||
3260 | if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) { | |
3261 | if (freq == 0) { | |
3262 | wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d", | |
3263 | bss->freq); | |
3264 | freq = bss->freq; | |
3265 | } | |
3266 | return nl80211_send_frame_cmd(bss, freq, | |
3267 | (int) freq == bss->freq ? 0 : | |
3268 | wait_time, | |
3269 | data, data_len, | |
3270 | &drv->send_action_cookie, | |
3271 | no_cck, noack, offchanok, | |
3272 | csa_offs, csa_offs_len); | |
3273 | } | |
3274 | ||
3275 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
3276 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) { | |
3277 | /* | |
3278 | * Only one of the authentication frame types is encrypted. | |
3279 | * In order for static WEP encryption to work properly (i.e., | |
3280 | * to not encrypt the frame), we need to tell mac80211 about | |
3281 | * the frames that must not be encrypted. | |
3282 | */ | |
3283 | u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg); | |
3284 | u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction); | |
3285 | if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3) | |
3286 | encrypt = 0; | |
3287 | } | |
3288 | ||
3289 | wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame"); | |
3290 | return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, | |
3291 | noack, freq, no_cck, offchanok, | |
3292 | wait_time, csa_offs, | |
3293 | csa_offs_len); | |
3294 | } | |
3295 | ||
3296 | ||
3297 | static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates) | |
3298 | { | |
3299 | u8 rates[NL80211_MAX_SUPP_RATES]; | |
3300 | u8 rates_len = 0; | |
3301 | int i; | |
3302 | ||
3303 | if (!basic_rates) | |
3304 | return 0; | |
3305 | ||
3306 | for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++) | |
3307 | rates[rates_len++] = basic_rates[i] / 5; | |
3308 | ||
3309 | return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates); | |
3310 | } | |
3311 | ||
3312 | ||
3313 | static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble, | |
3314 | int slot, int ht_opmode, int ap_isolate, | |
3315 | const int *basic_rates) | |
3316 | { | |
3317 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3318 | struct nl_msg *msg; | |
3319 | ||
3320 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) || | |
3321 | (cts >= 0 && | |
3322 | nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) || | |
3323 | (preamble >= 0 && | |
3324 | nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) || | |
3325 | (slot >= 0 && | |
3326 | nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) || | |
3327 | (ht_opmode >= 0 && | |
3328 | nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) || | |
3329 | (ap_isolate >= 0 && | |
3330 | nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) || | |
3331 | nl80211_put_basic_rates(msg, basic_rates)) { | |
3332 | nlmsg_free(msg); | |
3333 | return -ENOBUFS; | |
3334 | } | |
3335 | ||
3336 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
3337 | } | |
3338 | ||
3339 | ||
3340 | static int wpa_driver_nl80211_set_acl(void *priv, | |
3341 | struct hostapd_acl_params *params) | |
3342 | { | |
3343 | struct i802_bss *bss = priv; | |
3344 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3345 | struct nl_msg *msg; | |
3346 | struct nl_msg *acl; | |
3347 | unsigned int i; | |
3348 | int ret; | |
3349 | ||
3350 | if (!(drv->capa.max_acl_mac_addrs)) | |
3351 | return -ENOTSUP; | |
3352 | ||
3353 | if (params->num_mac_acl > drv->capa.max_acl_mac_addrs) | |
3354 | return -ENOTSUP; | |
3355 | ||
3356 | wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)", | |
3357 | params->acl_policy ? "Accept" : "Deny", params->num_mac_acl); | |
3358 | ||
3359 | acl = nlmsg_alloc(); | |
3360 | if (!acl) | |
3361 | return -ENOMEM; | |
3362 | for (i = 0; i < params->num_mac_acl; i++) { | |
3363 | if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) { | |
3364 | nlmsg_free(acl); | |
3365 | return -ENOMEM; | |
3366 | } | |
3367 | } | |
3368 | ||
3369 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) || | |
3370 | nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ? | |
3371 | NL80211_ACL_POLICY_DENY_UNLESS_LISTED : | |
3372 | NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) || | |
3373 | nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) { | |
3374 | nlmsg_free(msg); | |
3375 | nlmsg_free(acl); | |
3376 | return -ENOMEM; | |
3377 | } | |
3378 | nlmsg_free(acl); | |
3379 | ||
3380 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3381 | if (ret) { | |
3382 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)", | |
3383 | ret, strerror(-ret)); | |
3384 | } | |
3385 | ||
3386 | return ret; | |
3387 | } | |
3388 | ||
3389 | ||
3390 | static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int) | |
3391 | { | |
3392 | if (beacon_int > 0) { | |
3393 | wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int); | |
3394 | return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL, | |
3395 | beacon_int); | |
3396 | } | |
3397 | ||
3398 | return 0; | |
3399 | } | |
3400 | ||
3401 | ||
3402 | static int wpa_driver_nl80211_set_ap(void *priv, | |
3403 | struct wpa_driver_ap_params *params) | |
3404 | { | |
3405 | struct i802_bss *bss = priv; | |
3406 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3407 | struct nl_msg *msg; | |
3408 | u8 cmd = NL80211_CMD_NEW_BEACON; | |
3409 | int ret; | |
3410 | int beacon_set; | |
3411 | int num_suites; | |
3412 | int smps_mode; | |
3413 | u32 suites[10], suite; | |
3414 | u32 ver; | |
3415 | ||
3416 | beacon_set = params->reenable ? 0 : bss->beacon_set; | |
3417 | ||
3418 | wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)", | |
3419 | beacon_set); | |
3420 | if (beacon_set) | |
3421 | cmd = NL80211_CMD_SET_BEACON; | |
3422 | ||
3423 | wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head", | |
3424 | params->head, params->head_len); | |
3425 | wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail", | |
3426 | params->tail, params->tail_len); | |
3427 | wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex); | |
3428 | wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int); | |
3429 | wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period); | |
3430 | wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid", | |
3431 | params->ssid, params->ssid_len); | |
3432 | if (!(msg = nl80211_bss_msg(bss, 0, cmd)) || | |
3433 | nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, | |
3434 | params->head) || | |
3435 | nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, | |
3436 | params->tail) || | |
3437 | nl80211_put_beacon_int(msg, params->beacon_int) || | |
3438 | nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) || | |
3439 | nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) | |
3440 | goto fail; | |
3441 | if (params->proberesp && params->proberesp_len) { | |
3442 | wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)", | |
3443 | params->proberesp, params->proberesp_len); | |
3444 | if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len, | |
3445 | params->proberesp)) | |
3446 | goto fail; | |
3447 | } | |
3448 | switch (params->hide_ssid) { | |
3449 | case NO_SSID_HIDING: | |
3450 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use"); | |
3451 | if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID, | |
3452 | NL80211_HIDDEN_SSID_NOT_IN_USE)) | |
3453 | goto fail; | |
3454 | break; | |
3455 | case HIDDEN_SSID_ZERO_LEN: | |
3456 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len"); | |
3457 | if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID, | |
3458 | NL80211_HIDDEN_SSID_ZERO_LEN)) | |
3459 | goto fail; | |
3460 | break; | |
3461 | case HIDDEN_SSID_ZERO_CONTENTS: | |
3462 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents"); | |
3463 | if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID, | |
3464 | NL80211_HIDDEN_SSID_ZERO_CONTENTS)) | |
3465 | goto fail; | |
3466 | break; | |
3467 | } | |
3468 | wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy); | |
3469 | if (params->privacy && | |
3470 | nla_put_flag(msg, NL80211_ATTR_PRIVACY)) | |
3471 | goto fail; | |
3472 | wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs); | |
3473 | if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) == | |
3474 | (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) { | |
3475 | /* Leave out the attribute */ | |
3476 | } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) { | |
3477 | if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, | |
3478 | NL80211_AUTHTYPE_SHARED_KEY)) | |
3479 | goto fail; | |
3480 | } else { | |
3481 | if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, | |
3482 | NL80211_AUTHTYPE_OPEN_SYSTEM)) | |
3483 | goto fail; | |
3484 | } | |
3485 | ||
3486 | wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version); | |
3487 | ver = 0; | |
3488 | if (params->wpa_version & WPA_PROTO_WPA) | |
3489 | ver |= NL80211_WPA_VERSION_1; | |
3490 | if (params->wpa_version & WPA_PROTO_RSN) | |
3491 | ver |= NL80211_WPA_VERSION_2; | |
3492 | if (ver && | |
3493 | nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver)) | |
3494 | goto fail; | |
3495 | ||
3496 | wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x", | |
3497 | params->key_mgmt_suites); | |
3498 | num_suites = 0; | |
3499 | if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X) | |
3500 | suites[num_suites++] = WLAN_AKM_SUITE_8021X; | |
3501 | if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK) | |
3502 | suites[num_suites++] = WLAN_AKM_SUITE_PSK; | |
3503 | if (num_suites && | |
3504 | nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32), | |
3505 | suites)) | |
3506 | goto fail; | |
3507 | ||
3508 | if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA && | |
3509 | params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40) && | |
3510 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)) | |
3511 | goto fail; | |
3512 | ||
3513 | wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x", | |
3514 | params->pairwise_ciphers); | |
3515 | num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers, | |
3516 | suites, ARRAY_SIZE(suites)); | |
3517 | if (num_suites && | |
3518 | nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, | |
3519 | num_suites * sizeof(u32), suites)) | |
3520 | goto fail; | |
3521 | ||
3522 | wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x", | |
3523 | params->group_cipher); | |
3524 | suite = wpa_cipher_to_cipher_suite(params->group_cipher); | |
3525 | if (suite && | |
3526 | nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite)) | |
3527 | goto fail; | |
3528 | ||
3529 | switch (params->smps_mode) { | |
3530 | case HT_CAP_INFO_SMPS_DYNAMIC: | |
3531 | wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic"); | |
3532 | smps_mode = NL80211_SMPS_DYNAMIC; | |
3533 | break; | |
3534 | case HT_CAP_INFO_SMPS_STATIC: | |
3535 | wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static"); | |
3536 | smps_mode = NL80211_SMPS_STATIC; | |
3537 | break; | |
3538 | default: | |
3539 | /* invalid - fallback to smps off */ | |
3540 | case HT_CAP_INFO_SMPS_DISABLED: | |
3541 | wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off"); | |
3542 | smps_mode = NL80211_SMPS_OFF; | |
3543 | break; | |
3544 | } | |
3545 | if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode)) | |
3546 | goto fail; | |
3547 | ||
3548 | if (params->beacon_ies) { | |
3549 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies", | |
3550 | params->beacon_ies); | |
3551 | if (nla_put(msg, NL80211_ATTR_IE, | |
3552 | wpabuf_len(params->beacon_ies), | |
3553 | wpabuf_head(params->beacon_ies))) | |
3554 | goto fail; | |
3555 | } | |
3556 | if (params->proberesp_ies) { | |
3557 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies", | |
3558 | params->proberesp_ies); | |
3559 | if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP, | |
3560 | wpabuf_len(params->proberesp_ies), | |
3561 | wpabuf_head(params->proberesp_ies))) | |
3562 | goto fail; | |
3563 | } | |
3564 | if (params->assocresp_ies) { | |
3565 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies", | |
3566 | params->assocresp_ies); | |
3567 | if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP, | |
3568 | wpabuf_len(params->assocresp_ies), | |
3569 | wpabuf_head(params->assocresp_ies))) | |
3570 | goto fail; | |
3571 | } | |
3572 | ||
3573 | if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) { | |
3574 | wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d", | |
3575 | params->ap_max_inactivity); | |
3576 | if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT, | |
3577 | params->ap_max_inactivity)) | |
3578 | goto fail; | |
3579 | } | |
3580 | ||
3581 | #ifdef CONFIG_P2P | |
3582 | if (params->p2p_go_ctwindow > 0) { | |
3583 | if (drv->p2p_go_ctwindow_supported) { | |
3584 | wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d", | |
3585 | params->p2p_go_ctwindow); | |
3586 | if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW, | |
3587 | params->p2p_go_ctwindow)) | |
3588 | goto fail; | |
3589 | } else { | |
3590 | wpa_printf(MSG_INFO, | |
3591 | "nl80211: Driver does not support CTWindow configuration - ignore this parameter"); | |
3592 | } | |
3593 | } | |
3594 | #endif /* CONFIG_P2P */ | |
3595 | ||
3596 | if (params->pbss) { | |
3597 | wpa_printf(MSG_DEBUG, "nl80211: PBSS"); | |
3598 | if (nla_put_flag(msg, NL80211_ATTR_PBSS)) | |
3599 | goto fail; | |
3600 | } | |
3601 | ||
3602 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3603 | if (ret) { | |
3604 | wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)", | |
3605 | ret, strerror(-ret)); | |
3606 | } else { | |
3607 | bss->beacon_set = 1; | |
3608 | nl80211_set_bss(bss, params->cts_protect, params->preamble, | |
3609 | params->short_slot_time, params->ht_opmode, | |
3610 | params->isolate, params->basic_rates); | |
3611 | if (beacon_set && params->freq && | |
3612 | params->freq->bandwidth != bss->bandwidth) { | |
3613 | wpa_printf(MSG_DEBUG, | |
3614 | "nl80211: Update BSS %s bandwidth: %d -> %d", | |
3615 | bss->ifname, bss->bandwidth, | |
3616 | params->freq->bandwidth); | |
3617 | ret = nl80211_set_channel(bss, params->freq, 1); | |
3618 | if (ret) { | |
3619 | wpa_printf(MSG_DEBUG, | |
3620 | "nl80211: Frequency set failed: %d (%s)", | |
3621 | ret, strerror(-ret)); | |
3622 | } else { | |
3623 | wpa_printf(MSG_DEBUG, | |
3624 | "nl80211: Frequency set succeeded for ht2040 coex"); | |
3625 | bss->bandwidth = params->freq->bandwidth; | |
3626 | } | |
3627 | } else if (!beacon_set) { | |
3628 | /* | |
3629 | * cfg80211 updates the driver on frequence change in AP | |
3630 | * mode only at the point when beaconing is started, so | |
3631 | * set the initial value here. | |
3632 | */ | |
3633 | bss->bandwidth = params->freq->bandwidth; | |
3634 | } | |
3635 | } | |
3636 | return ret; | |
3637 | fail: | |
3638 | nlmsg_free(msg); | |
3639 | return -ENOBUFS; | |
3640 | } | |
3641 | ||
3642 | ||
3643 | static int nl80211_put_freq_params(struct nl_msg *msg, | |
3644 | const struct hostapd_freq_params *freq) | |
3645 | { | |
3646 | wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq); | |
3647 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq)) | |
3648 | return -ENOBUFS; | |
3649 | ||
3650 | wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled); | |
3651 | wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled); | |
3652 | ||
3653 | if (freq->vht_enabled) { | |
3654 | enum nl80211_chan_width cw; | |
3655 | ||
3656 | wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth); | |
3657 | switch (freq->bandwidth) { | |
3658 | case 20: | |
3659 | cw = NL80211_CHAN_WIDTH_20; | |
3660 | break; | |
3661 | case 40: | |
3662 | cw = NL80211_CHAN_WIDTH_40; | |
3663 | break; | |
3664 | case 80: | |
3665 | if (freq->center_freq2) | |
3666 | cw = NL80211_CHAN_WIDTH_80P80; | |
3667 | else | |
3668 | cw = NL80211_CHAN_WIDTH_80; | |
3669 | break; | |
3670 | case 160: | |
3671 | cw = NL80211_CHAN_WIDTH_160; | |
3672 | break; | |
3673 | default: | |
3674 | return -EINVAL; | |
3675 | } | |
3676 | ||
3677 | wpa_printf(MSG_DEBUG, " * channel_width=%d", cw); | |
3678 | wpa_printf(MSG_DEBUG, " * center_freq1=%d", | |
3679 | freq->center_freq1); | |
3680 | wpa_printf(MSG_DEBUG, " * center_freq2=%d", | |
3681 | freq->center_freq2); | |
3682 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) || | |
3683 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, | |
3684 | freq->center_freq1) || | |
3685 | (freq->center_freq2 && | |
3686 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, | |
3687 | freq->center_freq2))) | |
3688 | return -ENOBUFS; | |
3689 | } else if (freq->ht_enabled) { | |
3690 | enum nl80211_channel_type ct; | |
3691 | ||
3692 | wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d", | |
3693 | freq->sec_channel_offset); | |
3694 | switch (freq->sec_channel_offset) { | |
3695 | case -1: | |
3696 | ct = NL80211_CHAN_HT40MINUS; | |
3697 | break; | |
3698 | case 1: | |
3699 | ct = NL80211_CHAN_HT40PLUS; | |
3700 | break; | |
3701 | default: | |
3702 | ct = NL80211_CHAN_HT20; | |
3703 | break; | |
3704 | } | |
3705 | ||
3706 | wpa_printf(MSG_DEBUG, " * channel_type=%d", ct); | |
3707 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct)) | |
3708 | return -ENOBUFS; | |
3709 | } | |
3710 | return 0; | |
3711 | } | |
3712 | ||
3713 | ||
3714 | static int nl80211_set_channel(struct i802_bss *bss, | |
3715 | struct hostapd_freq_params *freq, int set_chan) | |
3716 | { | |
3717 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3718 | struct nl_msg *msg; | |
3719 | int ret; | |
3720 | ||
3721 | wpa_printf(MSG_DEBUG, | |
3722 | "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)", | |
3723 | freq->freq, freq->ht_enabled, freq->vht_enabled, | |
3724 | freq->bandwidth, freq->center_freq1, freq->center_freq2); | |
3725 | ||
3726 | msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL : | |
3727 | NL80211_CMD_SET_WIPHY); | |
3728 | if (!msg || nl80211_put_freq_params(msg, freq) < 0) { | |
3729 | nlmsg_free(msg); | |
3730 | return -1; | |
3731 | } | |
3732 | ||
3733 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3734 | if (ret == 0) { | |
3735 | bss->freq = freq->freq; | |
3736 | return 0; | |
3737 | } | |
3738 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): " | |
3739 | "%d (%s)", freq->freq, ret, strerror(-ret)); | |
3740 | return -1; | |
3741 | } | |
3742 | ||
3743 | ||
3744 | static u32 sta_flags_nl80211(int flags) | |
3745 | { | |
3746 | u32 f = 0; | |
3747 | ||
3748 | if (flags & WPA_STA_AUTHORIZED) | |
3749 | f |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3750 | if (flags & WPA_STA_WMM) | |
3751 | f |= BIT(NL80211_STA_FLAG_WME); | |
3752 | if (flags & WPA_STA_SHORT_PREAMBLE) | |
3753 | f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
3754 | if (flags & WPA_STA_MFP) | |
3755 | f |= BIT(NL80211_STA_FLAG_MFP); | |
3756 | if (flags & WPA_STA_TDLS_PEER) | |
3757 | f |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3758 | if (flags & WPA_STA_AUTHENTICATED) | |
3759 | f |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
3760 | if (flags & WPA_STA_ASSOCIATED) | |
3761 | f |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
3762 | ||
3763 | return f; | |
3764 | } | |
3765 | ||
3766 | ||
3767 | #ifdef CONFIG_MESH | |
3768 | static u32 sta_plink_state_nl80211(enum mesh_plink_state state) | |
3769 | { | |
3770 | switch (state) { | |
3771 | case PLINK_LISTEN: | |
3772 | return NL80211_PLINK_LISTEN; | |
3773 | case PLINK_OPEN_SENT: | |
3774 | return NL80211_PLINK_OPN_SNT; | |
3775 | case PLINK_OPEN_RCVD: | |
3776 | return NL80211_PLINK_OPN_RCVD; | |
3777 | case PLINK_CNF_RCVD: | |
3778 | return NL80211_PLINK_CNF_RCVD; | |
3779 | case PLINK_ESTAB: | |
3780 | return NL80211_PLINK_ESTAB; | |
3781 | case PLINK_HOLDING: | |
3782 | return NL80211_PLINK_HOLDING; | |
3783 | case PLINK_BLOCKED: | |
3784 | return NL80211_PLINK_BLOCKED; | |
3785 | default: | |
3786 | wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d", | |
3787 | state); | |
3788 | } | |
3789 | return -1; | |
3790 | } | |
3791 | #endif /* CONFIG_MESH */ | |
3792 | ||
3793 | ||
3794 | static int wpa_driver_nl80211_sta_add(void *priv, | |
3795 | struct hostapd_sta_add_params *params) | |
3796 | { | |
3797 | struct i802_bss *bss = priv; | |
3798 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3799 | struct nl_msg *msg; | |
3800 | struct nl80211_sta_flag_update upd; | |
3801 | int ret = -ENOBUFS; | |
3802 | ||
3803 | if ((params->flags & WPA_STA_TDLS_PEER) && | |
3804 | !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
3805 | return -EOPNOTSUPP; | |
3806 | ||
3807 | wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR, | |
3808 | params->set ? "Set" : "Add", MAC2STR(params->addr)); | |
3809 | msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION : | |
3810 | NL80211_CMD_NEW_STATION); | |
3811 | if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr)) | |
3812 | goto fail; | |
3813 | ||
3814 | /* | |
3815 | * Set the below properties only in one of the following cases: | |
3816 | * 1. New station is added, already associated. | |
3817 | * 2. Set WPA_STA_TDLS_PEER station. | |
3818 | * 3. Set an already added unassociated station, if driver supports | |
3819 | * full AP client state. (Set these properties after station became | |
3820 | * associated will be rejected by the driver). | |
3821 | */ | |
3822 | if (!params->set || (params->flags & WPA_STA_TDLS_PEER) || | |
3823 | (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) && | |
3824 | (params->flags & WPA_STA_ASSOCIATED))) { | |
3825 | wpa_hexdump(MSG_DEBUG, " * supported rates", | |
3826 | params->supp_rates, params->supp_rates_len); | |
3827 | wpa_printf(MSG_DEBUG, " * capability=0x%x", | |
3828 | params->capability); | |
3829 | if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES, | |
3830 | params->supp_rates_len, params->supp_rates) || | |
3831 | nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY, | |
3832 | params->capability)) | |
3833 | goto fail; | |
3834 | ||
3835 | if (params->ht_capabilities) { | |
3836 | wpa_hexdump(MSG_DEBUG, " * ht_capabilities", | |
3837 | (u8 *) params->ht_capabilities, | |
3838 | sizeof(*params->ht_capabilities)); | |
3839 | if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, | |
3840 | sizeof(*params->ht_capabilities), | |
3841 | params->ht_capabilities)) | |
3842 | goto fail; | |
3843 | } | |
3844 | ||
3845 | if (params->vht_capabilities) { | |
3846 | wpa_hexdump(MSG_DEBUG, " * vht_capabilities", | |
3847 | (u8 *) params->vht_capabilities, | |
3848 | sizeof(*params->vht_capabilities)); | |
3849 | if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, | |
3850 | sizeof(*params->vht_capabilities), | |
3851 | params->vht_capabilities)) | |
3852 | goto fail; | |
3853 | } | |
3854 | ||
3855 | if (params->ext_capab) { | |
3856 | wpa_hexdump(MSG_DEBUG, " * ext_capab", | |
3857 | params->ext_capab, params->ext_capab_len); | |
3858 | if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY, | |
3859 | params->ext_capab_len, params->ext_capab)) | |
3860 | goto fail; | |
3861 | } | |
3862 | } | |
3863 | if (!params->set) { | |
3864 | if (params->aid) { | |
3865 | wpa_printf(MSG_DEBUG, " * aid=%u", params->aid); | |
3866 | if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid)) | |
3867 | goto fail; | |
3868 | } else { | |
3869 | /* | |
3870 | * cfg80211 validates that AID is non-zero, so we have | |
3871 | * to make this a non-zero value for the TDLS case where | |
3872 | * a dummy STA entry is used for now and for a station | |
3873 | * that is still not associated. | |
3874 | */ | |
3875 | wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)", | |
3876 | (params->flags & WPA_STA_TDLS_PEER) ? | |
3877 | "TDLS" : "UNASSOC_STA"); | |
3878 | if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1)) | |
3879 | goto fail; | |
3880 | } | |
3881 | wpa_printf(MSG_DEBUG, " * listen_interval=%u", | |
3882 | params->listen_interval); | |
3883 | if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, | |
3884 | params->listen_interval)) | |
3885 | goto fail; | |
3886 | } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) { | |
3887 | wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid); | |
3888 | if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid)) | |
3889 | goto fail; | |
3890 | } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) && | |
3891 | (params->flags & WPA_STA_ASSOCIATED)) { | |
3892 | wpa_printf(MSG_DEBUG, " * aid=%u", params->aid); | |
3893 | wpa_printf(MSG_DEBUG, " * listen_interval=%u", | |
3894 | params->listen_interval); | |
3895 | if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) || | |
3896 | nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, | |
3897 | params->listen_interval)) | |
3898 | goto fail; | |
3899 | } | |
3900 | ||
3901 | if (params->vht_opmode_enabled) { | |
3902 | wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode); | |
3903 | if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF, | |
3904 | params->vht_opmode)) | |
3905 | goto fail; | |
3906 | } | |
3907 | ||
3908 | if (params->supp_channels) { | |
3909 | wpa_hexdump(MSG_DEBUG, " * supported channels", | |
3910 | params->supp_channels, params->supp_channels_len); | |
3911 | if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS, | |
3912 | params->supp_channels_len, params->supp_channels)) | |
3913 | goto fail; | |
3914 | } | |
3915 | ||
3916 | if (params->supp_oper_classes) { | |
3917 | wpa_hexdump(MSG_DEBUG, " * supported operating classes", | |
3918 | params->supp_oper_classes, | |
3919 | params->supp_oper_classes_len); | |
3920 | if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES, | |
3921 | params->supp_oper_classes_len, | |
3922 | params->supp_oper_classes)) | |
3923 | goto fail; | |
3924 | } | |
3925 | ||
3926 | os_memset(&upd, 0, sizeof(upd)); | |
3927 | upd.set = sta_flags_nl80211(params->flags); | |
3928 | upd.mask = upd.set | sta_flags_nl80211(params->flags_mask); | |
3929 | ||
3930 | /* | |
3931 | * If the driver doesn't support full AP client state, ignore ASSOC/AUTH | |
3932 | * flags, as nl80211 driver moves a new station, by default, into | |
3933 | * associated state. | |
3934 | * | |
3935 | * On the other hand, if the driver supports that feature and the | |
3936 | * station is added in unauthenticated state, set the | |
3937 | * authenticated/associated bits in the mask to prevent moving this | |
3938 | * station to associated state before it is actually associated. | |
3939 | * | |
3940 | * This is irrelevant for mesh mode where the station is added to the | |
3941 | * driver as authenticated already, and ASSOCIATED isn't part of the | |
3942 | * nl80211 API. | |
3943 | */ | |
3944 | if (!is_mesh_interface(drv->nlmode)) { | |
3945 | if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) { | |
3946 | wpa_printf(MSG_DEBUG, | |
3947 | "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state"); | |
3948 | upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3949 | BIT(NL80211_STA_FLAG_AUTHENTICATED)); | |
3950 | } else if (!params->set && | |
3951 | !(params->flags & WPA_STA_TDLS_PEER)) { | |
3952 | if (!(params->flags & WPA_STA_AUTHENTICATED)) | |
3953 | upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
3954 | if (!(params->flags & WPA_STA_ASSOCIATED)) | |
3955 | upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
3956 | } | |
3957 | } | |
3958 | ||
3959 | wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x", | |
3960 | upd.set, upd.mask); | |
3961 | if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) | |
3962 | goto fail; | |
3963 | ||
3964 | #ifdef CONFIG_MESH | |
3965 | if (params->plink_state && | |
3966 | nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE, | |
3967 | sta_plink_state_nl80211(params->plink_state))) | |
3968 | goto fail; | |
3969 | #endif /* CONFIG_MESH */ | |
3970 | ||
3971 | if (params->flags & WPA_STA_WMM) { | |
3972 | struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
3973 | ||
3974 | wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo); | |
3975 | if (!wme || | |
3976 | nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
3977 | params->qosinfo & WMM_QOSINFO_STA_AC_MASK) || | |
3978 | nla_put_u8(msg, NL80211_STA_WME_MAX_SP, | |
3979 | (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) & | |
3980 | WMM_QOSINFO_STA_SP_MASK)) | |
3981 | goto fail; | |
3982 | nla_nest_end(msg, wme); | |
3983 | } | |
3984 | ||
3985 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3986 | msg = NULL; | |
3987 | if (ret) | |
3988 | wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION " | |
3989 | "result: %d (%s)", params->set ? "SET" : "NEW", ret, | |
3990 | strerror(-ret)); | |
3991 | if (ret == -EEXIST) | |
3992 | ret = 0; | |
3993 | fail: | |
3994 | nlmsg_free(msg); | |
3995 | return ret; | |
3996 | } | |
3997 | ||
3998 | ||
3999 | static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr) | |
4000 | { | |
4001 | #ifdef CONFIG_LIBNL3_ROUTE | |
4002 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4003 | struct rtnl_neigh *rn; | |
4004 | struct nl_addr *nl_addr; | |
4005 | int err; | |
4006 | ||
4007 | rn = rtnl_neigh_alloc(); | |
4008 | if (!rn) | |
4009 | return; | |
4010 | ||
4011 | rtnl_neigh_set_family(rn, AF_BRIDGE); | |
4012 | rtnl_neigh_set_ifindex(rn, bss->ifindex); | |
4013 | nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN); | |
4014 | if (!nl_addr) { | |
4015 | rtnl_neigh_put(rn); | |
4016 | return; | |
4017 | } | |
4018 | rtnl_neigh_set_lladdr(rn, nl_addr); | |
4019 | ||
4020 | err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0); | |
4021 | if (err < 0) { | |
4022 | wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for " | |
4023 | MACSTR " ifindex=%d failed: %s", MAC2STR(addr), | |
4024 | bss->ifindex, nl_geterror(err)); | |
4025 | } else { | |
4026 | wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for " | |
4027 | MACSTR, MAC2STR(addr)); | |
4028 | } | |
4029 | ||
4030 | nl_addr_put(nl_addr); | |
4031 | rtnl_neigh_put(rn); | |
4032 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
4033 | } | |
4034 | ||
4035 | ||
4036 | static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr, | |
4037 | int deauth, u16 reason_code) | |
4038 | { | |
4039 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4040 | struct nl_msg *msg; | |
4041 | int ret; | |
4042 | ||
4043 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) || | |
4044 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
4045 | (deauth == 0 && | |
4046 | nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE, | |
4047 | WLAN_FC_STYPE_DISASSOC)) || | |
4048 | (deauth == 1 && | |
4049 | nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE, | |
4050 | WLAN_FC_STYPE_DEAUTH)) || | |
4051 | (reason_code && | |
4052 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) { | |
4053 | nlmsg_free(msg); | |
4054 | return -ENOBUFS; | |
4055 | } | |
4056 | ||
4057 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4058 | wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR | |
4059 | " --> %d (%s)", | |
4060 | bss->ifname, MAC2STR(addr), ret, strerror(-ret)); | |
4061 | ||
4062 | if (drv->rtnl_sk) | |
4063 | rtnl_neigh_delete_fdb_entry(bss, addr); | |
4064 | ||
4065 | if (ret == -ENOENT) | |
4066 | return 0; | |
4067 | return ret; | |
4068 | } | |
4069 | ||
4070 | ||
4071 | void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx) | |
4072 | { | |
4073 | struct nl_msg *msg; | |
4074 | struct wpa_driver_nl80211_data *drv2; | |
4075 | ||
4076 | wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx); | |
4077 | ||
4078 | /* stop listening for EAPOL on this interface */ | |
4079 | dl_list_for_each(drv2, &drv->global->interfaces, | |
4080 | struct wpa_driver_nl80211_data, list) | |
4081 | { | |
4082 | del_ifidx(drv2, ifidx, IFIDX_ANY); | |
4083 | /* Remove all bridges learned for this iface */ | |
4084 | del_ifidx(drv2, IFIDX_ANY, ifidx); | |
4085 | } | |
4086 | ||
4087 | msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE); | |
4088 | if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) | |
4089 | return; | |
4090 | wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx); | |
4091 | } | |
4092 | ||
4093 | ||
4094 | static const char * nl80211_iftype_str(enum nl80211_iftype mode) | |
4095 | { | |
4096 | switch (mode) { | |
4097 | case NL80211_IFTYPE_ADHOC: | |
4098 | return "ADHOC"; | |
4099 | case NL80211_IFTYPE_STATION: | |
4100 | return "STATION"; | |
4101 | case NL80211_IFTYPE_AP: | |
4102 | return "AP"; | |
4103 | case NL80211_IFTYPE_AP_VLAN: | |
4104 | return "AP_VLAN"; | |
4105 | case NL80211_IFTYPE_WDS: | |
4106 | return "WDS"; | |
4107 | case NL80211_IFTYPE_MONITOR: | |
4108 | return "MONITOR"; | |
4109 | case NL80211_IFTYPE_MESH_POINT: | |
4110 | return "MESH_POINT"; | |
4111 | case NL80211_IFTYPE_P2P_CLIENT: | |
4112 | return "P2P_CLIENT"; | |
4113 | case NL80211_IFTYPE_P2P_GO: | |
4114 | return "P2P_GO"; | |
4115 | case NL80211_IFTYPE_P2P_DEVICE: | |
4116 | return "P2P_DEVICE"; | |
4117 | default: | |
4118 | return "unknown"; | |
4119 | } | |
4120 | } | |
4121 | ||
4122 | ||
4123 | static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv, | |
4124 | const char *ifname, | |
4125 | enum nl80211_iftype iftype, | |
4126 | const u8 *addr, int wds, | |
4127 | int (*handler)(struct nl_msg *, void *), | |
4128 | void *arg) | |
4129 | { | |
4130 | struct nl_msg *msg; | |
4131 | int ifidx; | |
4132 | int ret = -ENOBUFS; | |
4133 | ||
4134 | wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)", | |
4135 | iftype, nl80211_iftype_str(iftype)); | |
4136 | ||
4137 | msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE); | |
4138 | if (!msg || | |
4139 | nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) || | |
4140 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype)) | |
4141 | goto fail; | |
4142 | ||
4143 | if (iftype == NL80211_IFTYPE_MONITOR) { | |
4144 | struct nlattr *flags; | |
4145 | ||
4146 | flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS); | |
4147 | if (!flags || | |
4148 | nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES)) | |
4149 | goto fail; | |
4150 | ||
4151 | nla_nest_end(msg, flags); | |
4152 | } else if (wds) { | |
4153 | if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds)) | |
4154 | goto fail; | |
4155 | } | |
4156 | ||
4157 | /* | |
4158 | * Tell cfg80211 that the interface belongs to the socket that created | |
4159 | * it, and the interface should be deleted when the socket is closed. | |
4160 | */ | |
4161 | if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER)) | |
4162 | goto fail; | |
4163 | ||
4164 | ret = send_and_recv_msgs(drv, msg, handler, arg); | |
4165 | msg = NULL; | |
4166 | if (ret) { | |
4167 | fail: | |
4168 | nlmsg_free(msg); | |
4169 | wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)", | |
4170 | ifname, ret, strerror(-ret)); | |
4171 | return ret; | |
4172 | } | |
4173 | ||
4174 | if (iftype == NL80211_IFTYPE_P2P_DEVICE) | |
4175 | return 0; | |
4176 | ||
4177 | ifidx = if_nametoindex(ifname); | |
4178 | wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d", | |
4179 | ifname, ifidx); | |
4180 | ||
4181 | if (ifidx <= 0) | |
4182 | return -1; | |
4183 | ||
4184 | /* | |
4185 | * Some virtual interfaces need to process EAPOL packets and events on | |
4186 | * the parent interface. This is used mainly with hostapd. | |
4187 | */ | |
4188 | if (drv->hostapd || | |
4189 | iftype == NL80211_IFTYPE_AP_VLAN || | |
4190 | iftype == NL80211_IFTYPE_WDS || | |
4191 | iftype == NL80211_IFTYPE_MONITOR) { | |
4192 | /* start listening for EAPOL on this interface */ | |
4193 | add_ifidx(drv, ifidx, IFIDX_ANY); | |
4194 | } | |
4195 | ||
4196 | if (addr && iftype != NL80211_IFTYPE_MONITOR && | |
4197 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) { | |
4198 | nl80211_remove_iface(drv, ifidx); | |
4199 | return -1; | |
4200 | } | |
4201 | ||
4202 | return ifidx; | |
4203 | } | |
4204 | ||
4205 | ||
4206 | int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, | |
4207 | const char *ifname, enum nl80211_iftype iftype, | |
4208 | const u8 *addr, int wds, | |
4209 | int (*handler)(struct nl_msg *, void *), | |
4210 | void *arg, int use_existing) | |
4211 | { | |
4212 | int ret; | |
4213 | ||
4214 | ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler, | |
4215 | arg); | |
4216 | ||
4217 | /* if error occurred and interface exists already */ | |
4218 | if (ret == -ENFILE && if_nametoindex(ifname)) { | |
4219 | if (use_existing) { | |
4220 | wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s", | |
4221 | ifname); | |
4222 | if (addr && iftype != NL80211_IFTYPE_MONITOR && | |
4223 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, | |
4224 | addr) < 0 && | |
4225 | (linux_set_iface_flags(drv->global->ioctl_sock, | |
4226 | ifname, 0) < 0 || | |
4227 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, | |
4228 | addr) < 0 || | |
4229 | linux_set_iface_flags(drv->global->ioctl_sock, | |
4230 | ifname, 1) < 0)) | |
4231 | return -1; | |
4232 | return -ENFILE; | |
4233 | } | |
4234 | wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname); | |
4235 | ||
4236 | /* Try to remove the interface that was already there. */ | |
4237 | nl80211_remove_iface(drv, if_nametoindex(ifname)); | |
4238 | ||
4239 | /* Try to create the interface again */ | |
4240 | ret = nl80211_create_iface_once(drv, ifname, iftype, addr, | |
4241 | wds, handler, arg); | |
4242 | } | |
4243 | ||
4244 | if (ret >= 0 && is_p2p_net_interface(iftype)) { | |
4245 | wpa_printf(MSG_DEBUG, | |
4246 | "nl80211: Interface %s created for P2P - disable 11b rates", | |
4247 | ifname); | |
4248 | nl80211_disable_11b_rates(drv, ret, 1); | |
4249 | } | |
4250 | ||
4251 | return ret; | |
4252 | } | |
4253 | ||
4254 | ||
4255 | static int nl80211_setup_ap(struct i802_bss *bss) | |
4256 | { | |
4257 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4258 | ||
4259 | wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d", | |
4260 | bss->ifname, drv->device_ap_sme, drv->use_monitor); | |
4261 | ||
4262 | /* | |
4263 | * Disable Probe Request reporting unless we need it in this way for | |
4264 | * devices that include the AP SME, in the other case (unless using | |
4265 | * monitor iface) we'll get it through the nl_mgmt socket instead. | |
4266 | */ | |
4267 | if (!drv->device_ap_sme) | |
4268 | wpa_driver_nl80211_probe_req_report(bss, 0); | |
4269 | ||
4270 | if (!drv->device_ap_sme && !drv->use_monitor) | |
4271 | if (nl80211_mgmt_subscribe_ap(bss)) | |
4272 | return -1; | |
4273 | ||
4274 | if (drv->device_ap_sme && !drv->use_monitor) | |
4275 | if (nl80211_mgmt_subscribe_ap_dev_sme(bss)) | |
4276 | return -1; | |
4277 | ||
4278 | if (!drv->device_ap_sme && drv->use_monitor && | |
4279 | nl80211_create_monitor_interface(drv) && | |
4280 | !drv->device_ap_sme) | |
4281 | return -1; | |
4282 | ||
4283 | if (drv->device_ap_sme && | |
4284 | wpa_driver_nl80211_probe_req_report(bss, 1) < 0) { | |
4285 | wpa_printf(MSG_DEBUG, "nl80211: Failed to enable " | |
4286 | "Probe Request frame reporting in AP mode"); | |
4287 | /* Try to survive without this */ | |
4288 | } | |
4289 | ||
4290 | return 0; | |
4291 | } | |
4292 | ||
4293 | ||
4294 | static void nl80211_teardown_ap(struct i802_bss *bss) | |
4295 | { | |
4296 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4297 | ||
4298 | wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d", | |
4299 | bss->ifname, drv->device_ap_sme, drv->use_monitor); | |
4300 | if (drv->device_ap_sme) { | |
4301 | wpa_driver_nl80211_probe_req_report(bss, 0); | |
4302 | if (!drv->use_monitor) | |
4303 | nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)"); | |
4304 | } else if (drv->use_monitor) | |
4305 | nl80211_remove_monitor_interface(drv); | |
4306 | else | |
4307 | nl80211_mgmt_unsubscribe(bss, "AP teardown"); | |
4308 | ||
4309 | bss->beacon_set = 0; | |
4310 | } | |
4311 | ||
4312 | ||
4313 | static int nl80211_send_eapol_data(struct i802_bss *bss, | |
4314 | const u8 *addr, const u8 *data, | |
4315 | size_t data_len) | |
4316 | { | |
4317 | struct sockaddr_ll ll; | |
4318 | int ret; | |
4319 | ||
4320 | if (bss->drv->eapol_tx_sock < 0) { | |
4321 | wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL"); | |
4322 | return -1; | |
4323 | } | |
4324 | ||
4325 | os_memset(&ll, 0, sizeof(ll)); | |
4326 | ll.sll_family = AF_PACKET; | |
4327 | ll.sll_ifindex = bss->ifindex; | |
4328 | ll.sll_protocol = htons(ETH_P_PAE); | |
4329 | ll.sll_halen = ETH_ALEN; | |
4330 | os_memcpy(ll.sll_addr, addr, ETH_ALEN); | |
4331 | ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0, | |
4332 | (struct sockaddr *) &ll, sizeof(ll)); | |
4333 | if (ret < 0) | |
4334 | wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s", | |
4335 | strerror(errno)); | |
4336 | ||
4337 | return ret; | |
4338 | } | |
4339 | ||
4340 | ||
4341 | static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; | |
4342 | ||
4343 | static int wpa_driver_nl80211_hapd_send_eapol( | |
4344 | void *priv, const u8 *addr, const u8 *data, | |
4345 | size_t data_len, int encrypt, const u8 *own_addr, u32 flags) | |
4346 | { | |
4347 | struct i802_bss *bss = priv; | |
4348 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4349 | struct ieee80211_hdr *hdr; | |
4350 | size_t len; | |
4351 | u8 *pos; | |
4352 | int res; | |
4353 | int qos = flags & WPA_STA_WMM; | |
4354 | ||
4355 | if (drv->device_ap_sme || !drv->use_monitor) | |
4356 | return nl80211_send_eapol_data(bss, addr, data, data_len); | |
4357 | ||
4358 | len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 + | |
4359 | data_len; | |
4360 | hdr = os_zalloc(len); | |
4361 | if (hdr == NULL) { | |
4362 | wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)", | |
4363 | (unsigned long) len); | |
4364 | return -1; | |
4365 | } | |
4366 | ||
4367 | hdr->frame_control = | |
4368 | IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA); | |
4369 | hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS); | |
4370 | if (encrypt) | |
4371 | hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP); | |
4372 | if (qos) { | |
4373 | hdr->frame_control |= | |
4374 | host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4); | |
4375 | } | |
4376 | ||
4377 | memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN); | |
4378 | memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); | |
4379 | memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); | |
4380 | pos = (u8 *) (hdr + 1); | |
4381 | ||
4382 | if (qos) { | |
4383 | /* Set highest priority in QoS header */ | |
4384 | pos[0] = 7; | |
4385 | pos[1] = 0; | |
4386 | pos += 2; | |
4387 | } | |
4388 | ||
4389 | memcpy(pos, rfc1042_header, sizeof(rfc1042_header)); | |
4390 | pos += sizeof(rfc1042_header); | |
4391 | WPA_PUT_BE16(pos, ETH_P_PAE); | |
4392 | pos += 2; | |
4393 | memcpy(pos, data, data_len); | |
4394 | ||
4395 | res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0, | |
4396 | 0, 0, 0, 0, NULL, 0); | |
4397 | if (res < 0) { | |
4398 | wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - " | |
4399 | "failed: %d (%s)", | |
4400 | (unsigned long) len, errno, strerror(errno)); | |
4401 | } | |
4402 | os_free(hdr); | |
4403 | ||
4404 | return res; | |
4405 | } | |
4406 | ||
4407 | ||
4408 | static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr, | |
4409 | unsigned int total_flags, | |
4410 | unsigned int flags_or, | |
4411 | unsigned int flags_and) | |
4412 | { | |
4413 | struct i802_bss *bss = priv; | |
4414 | struct nl_msg *msg; | |
4415 | struct nlattr *flags; | |
4416 | struct nl80211_sta_flag_update upd; | |
4417 | ||
4418 | wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR | |
4419 | " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d", | |
4420 | bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and, | |
4421 | !!(total_flags & WPA_STA_AUTHORIZED)); | |
4422 | ||
4423 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) || | |
4424 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
4425 | goto fail; | |
4426 | ||
4427 | /* | |
4428 | * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This | |
4429 | * can be removed eventually. | |
4430 | */ | |
4431 | flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS); | |
4432 | if (!flags || | |
4433 | ((total_flags & WPA_STA_AUTHORIZED) && | |
4434 | nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) || | |
4435 | ((total_flags & WPA_STA_WMM) && | |
4436 | nla_put_flag(msg, NL80211_STA_FLAG_WME)) || | |
4437 | ((total_flags & WPA_STA_SHORT_PREAMBLE) && | |
4438 | nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) || | |
4439 | ((total_flags & WPA_STA_MFP) && | |
4440 | nla_put_flag(msg, NL80211_STA_FLAG_MFP)) || | |
4441 | ((total_flags & WPA_STA_TDLS_PEER) && | |
4442 | nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER))) | |
4443 | goto fail; | |
4444 | ||
4445 | nla_nest_end(msg, flags); | |
4446 | ||
4447 | os_memset(&upd, 0, sizeof(upd)); | |
4448 | upd.mask = sta_flags_nl80211(flags_or | ~flags_and); | |
4449 | upd.set = sta_flags_nl80211(flags_or); | |
4450 | if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) | |
4451 | goto fail; | |
4452 | ||
4453 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
4454 | fail: | |
4455 | nlmsg_free(msg); | |
4456 | return -ENOBUFS; | |
4457 | } | |
4458 | ||
4459 | ||
4460 | static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv, | |
4461 | struct wpa_driver_associate_params *params) | |
4462 | { | |
4463 | enum nl80211_iftype nlmode, old_mode; | |
4464 | ||
4465 | if (params->p2p) { | |
4466 | wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P " | |
4467 | "group (GO)"); | |
4468 | nlmode = NL80211_IFTYPE_P2P_GO; | |
4469 | } else | |
4470 | nlmode = NL80211_IFTYPE_AP; | |
4471 | ||
4472 | old_mode = drv->nlmode; | |
4473 | if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) { | |
4474 | nl80211_remove_monitor_interface(drv); | |
4475 | return -1; | |
4476 | } | |
4477 | ||
4478 | if (params->freq.freq && | |
4479 | nl80211_set_channel(drv->first_bss, ¶ms->freq, 0)) { | |
4480 | if (old_mode != nlmode) | |
4481 | wpa_driver_nl80211_set_mode(drv->first_bss, old_mode); | |
4482 | nl80211_remove_monitor_interface(drv); | |
4483 | return -1; | |
4484 | } | |
4485 | ||
4486 | return 0; | |
4487 | } | |
4488 | ||
4489 | ||
4490 | static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv, | |
4491 | int reset_mode) | |
4492 | { | |
4493 | struct nl_msg *msg; | |
4494 | int ret; | |
4495 | ||
4496 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS); | |
4497 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4498 | if (ret) { | |
4499 | wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d " | |
4500 | "(%s)", ret, strerror(-ret)); | |
4501 | } else { | |
4502 | wpa_printf(MSG_DEBUG, | |
4503 | "nl80211: Leave IBSS request sent successfully"); | |
4504 | } | |
4505 | ||
4506 | if (reset_mode && | |
4507 | wpa_driver_nl80211_set_mode(drv->first_bss, | |
4508 | NL80211_IFTYPE_STATION)) { | |
4509 | wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " | |
4510 | "station mode"); | |
4511 | } | |
4512 | ||
4513 | return ret; | |
4514 | } | |
4515 | ||
4516 | ||
4517 | static int nl80211_ht_vht_overrides(struct nl_msg *msg, | |
4518 | struct wpa_driver_associate_params *params) | |
4519 | { | |
4520 | if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT)) | |
4521 | return -1; | |
4522 | ||
4523 | if (params->htcaps && params->htcaps_mask) { | |
4524 | int sz = sizeof(struct ieee80211_ht_capabilities); | |
4525 | wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz); | |
4526 | wpa_hexdump(MSG_DEBUG, " * htcaps_mask", | |
4527 | params->htcaps_mask, sz); | |
4528 | if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz, | |
4529 | params->htcaps) || | |
4530 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz, | |
4531 | params->htcaps_mask)) | |
4532 | return -1; | |
4533 | } | |
4534 | ||
4535 | #ifdef CONFIG_VHT_OVERRIDES | |
4536 | if (params->disable_vht) { | |
4537 | wpa_printf(MSG_DEBUG, " * VHT disabled"); | |
4538 | if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT)) | |
4539 | return -1; | |
4540 | } | |
4541 | ||
4542 | if (params->vhtcaps && params->vhtcaps_mask) { | |
4543 | int sz = sizeof(struct ieee80211_vht_capabilities); | |
4544 | wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz); | |
4545 | wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask", | |
4546 | params->vhtcaps_mask, sz); | |
4547 | if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz, | |
4548 | params->vhtcaps) || | |
4549 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz, | |
4550 | params->vhtcaps_mask)) | |
4551 | return -1; | |
4552 | } | |
4553 | #endif /* CONFIG_VHT_OVERRIDES */ | |
4554 | ||
4555 | return 0; | |
4556 | } | |
4557 | ||
4558 | ||
4559 | static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv, | |
4560 | struct wpa_driver_associate_params *params) | |
4561 | { | |
4562 | struct nl_msg *msg; | |
4563 | int ret = -1; | |
4564 | int count = 0; | |
4565 | ||
4566 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex); | |
4567 | ||
4568 | if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, ¶ms->freq)) { | |
4569 | wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " | |
4570 | "IBSS mode"); | |
4571 | return -1; | |
4572 | } | |
4573 | ||
4574 | retry: | |
4575 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) || | |
4576 | params->ssid == NULL || params->ssid_len > sizeof(drv->ssid)) | |
4577 | goto fail; | |
4578 | ||
4579 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
4580 | params->ssid, params->ssid_len); | |
4581 | if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) | |
4582 | goto fail; | |
4583 | os_memcpy(drv->ssid, params->ssid, params->ssid_len); | |
4584 | drv->ssid_len = params->ssid_len; | |
4585 | ||
4586 | if (nl80211_put_freq_params(msg, ¶ms->freq) < 0 || | |
4587 | nl80211_put_beacon_int(msg, params->beacon_int)) | |
4588 | goto fail; | |
4589 | ||
4590 | ret = nl80211_set_conn_keys(params, msg); | |
4591 | if (ret) | |
4592 | goto fail; | |
4593 | ||
4594 | if (params->bssid && params->fixed_bssid) { | |
4595 | wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR, | |
4596 | MAC2STR(params->bssid)); | |
4597 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) | |
4598 | goto fail; | |
4599 | } | |
4600 | ||
4601 | if (params->fixed_freq) { | |
4602 | wpa_printf(MSG_DEBUG, " * fixed_freq"); | |
4603 | if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED)) | |
4604 | goto fail; | |
4605 | } | |
4606 | ||
4607 | if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || | |
4608 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
4609 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || | |
4610 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) { | |
4611 | wpa_printf(MSG_DEBUG, " * control port"); | |
4612 | if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT)) | |
4613 | goto fail; | |
4614 | } | |
4615 | ||
4616 | if (params->wpa_ie) { | |
4617 | wpa_hexdump(MSG_DEBUG, | |
4618 | " * Extra IEs for Beacon/Probe Response frames", | |
4619 | params->wpa_ie, params->wpa_ie_len); | |
4620 | if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, | |
4621 | params->wpa_ie)) | |
4622 | goto fail; | |
4623 | } | |
4624 | ||
4625 | ret = nl80211_ht_vht_overrides(msg, params); | |
4626 | if (ret < 0) | |
4627 | goto fail; | |
4628 | ||
4629 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4630 | msg = NULL; | |
4631 | if (ret) { | |
4632 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)", | |
4633 | ret, strerror(-ret)); | |
4634 | count++; | |
4635 | if (ret == -EALREADY && count == 1) { | |
4636 | wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after " | |
4637 | "forced leave"); | |
4638 | nl80211_leave_ibss(drv, 0); | |
4639 | nlmsg_free(msg); | |
4640 | goto retry; | |
4641 | } | |
4642 | } else { | |
4643 | wpa_printf(MSG_DEBUG, | |
4644 | "nl80211: Join IBSS request sent successfully"); | |
4645 | } | |
4646 | ||
4647 | fail: | |
4648 | nlmsg_free(msg); | |
4649 | return ret; | |
4650 | } | |
4651 | ||
4652 | ||
4653 | static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv, | |
4654 | struct wpa_driver_associate_params *params, | |
4655 | struct nl_msg *msg) | |
4656 | { | |
4657 | if (params->bssid) { | |
4658 | wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, | |
4659 | MAC2STR(params->bssid)); | |
4660 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) | |
4661 | return -1; | |
4662 | } | |
4663 | ||
4664 | if (params->bssid_hint) { | |
4665 | wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR, | |
4666 | MAC2STR(params->bssid_hint)); | |
4667 | if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN, | |
4668 | params->bssid_hint)) | |
4669 | return -1; | |
4670 | } | |
4671 | ||
4672 | if (params->freq.freq) { | |
4673 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq); | |
4674 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, | |
4675 | params->freq.freq)) | |
4676 | return -1; | |
4677 | drv->assoc_freq = params->freq.freq; | |
4678 | } else | |
4679 | drv->assoc_freq = 0; | |
4680 | ||
4681 | if (params->freq_hint) { | |
4682 | wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint); | |
4683 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT, | |
4684 | params->freq_hint)) | |
4685 | return -1; | |
4686 | } | |
4687 | ||
4688 | if (params->bg_scan_period >= 0) { | |
4689 | wpa_printf(MSG_DEBUG, " * bg scan period=%d", | |
4690 | params->bg_scan_period); | |
4691 | if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD, | |
4692 | params->bg_scan_period)) | |
4693 | return -1; | |
4694 | } | |
4695 | ||
4696 | if (params->ssid) { | |
4697 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
4698 | params->ssid, params->ssid_len); | |
4699 | if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, | |
4700 | params->ssid)) | |
4701 | return -1; | |
4702 | if (params->ssid_len > sizeof(drv->ssid)) | |
4703 | return -1; | |
4704 | os_memcpy(drv->ssid, params->ssid, params->ssid_len); | |
4705 | drv->ssid_len = params->ssid_len; | |
4706 | } | |
4707 | ||
4708 | wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len); | |
4709 | if (params->wpa_ie && | |
4710 | nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie)) | |
4711 | return -1; | |
4712 | ||
4713 | if (params->wpa_proto) { | |
4714 | enum nl80211_wpa_versions ver = 0; | |
4715 | ||
4716 | if (params->wpa_proto & WPA_PROTO_WPA) | |
4717 | ver |= NL80211_WPA_VERSION_1; | |
4718 | if (params->wpa_proto & WPA_PROTO_RSN) | |
4719 | ver |= NL80211_WPA_VERSION_2; | |
4720 | ||
4721 | wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver); | |
4722 | if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver)) | |
4723 | return -1; | |
4724 | } | |
4725 | ||
4726 | if (params->pairwise_suite != WPA_CIPHER_NONE) { | |
4727 | u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite); | |
4728 | wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher); | |
4729 | if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, | |
4730 | cipher)) | |
4731 | return -1; | |
4732 | } | |
4733 | ||
4734 | if (params->group_suite == WPA_CIPHER_GTK_NOT_USED && | |
4735 | !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) { | |
4736 | /* | |
4737 | * This is likely to work even though many drivers do not | |
4738 | * advertise support for operations without GTK. | |
4739 | */ | |
4740 | wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement"); | |
4741 | } else if (params->group_suite != WPA_CIPHER_NONE) { | |
4742 | u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite); | |
4743 | wpa_printf(MSG_DEBUG, " * group=0x%x", cipher); | |
4744 | if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher)) | |
4745 | return -1; | |
4746 | } | |
4747 | ||
4748 | if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || | |
4749 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
4750 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X || | |
4751 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK || | |
4752 | params->key_mgmt_suite == WPA_KEY_MGMT_CCKM || | |
4753 | params->key_mgmt_suite == WPA_KEY_MGMT_OSEN || | |
4754 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || | |
4755 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 || | |
4756 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B || | |
4757 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) { | |
4758 | int mgmt = WLAN_AKM_SUITE_PSK; | |
4759 | ||
4760 | switch (params->key_mgmt_suite) { | |
4761 | case WPA_KEY_MGMT_CCKM: | |
4762 | mgmt = WLAN_AKM_SUITE_CCKM; | |
4763 | break; | |
4764 | case WPA_KEY_MGMT_IEEE8021X: | |
4765 | mgmt = WLAN_AKM_SUITE_8021X; | |
4766 | break; | |
4767 | case WPA_KEY_MGMT_FT_IEEE8021X: | |
4768 | mgmt = WLAN_AKM_SUITE_FT_8021X; | |
4769 | break; | |
4770 | case WPA_KEY_MGMT_FT_PSK: | |
4771 | mgmt = WLAN_AKM_SUITE_FT_PSK; | |
4772 | break; | |
4773 | case WPA_KEY_MGMT_IEEE8021X_SHA256: | |
4774 | mgmt = WLAN_AKM_SUITE_8021X_SHA256; | |
4775 | break; | |
4776 | case WPA_KEY_MGMT_PSK_SHA256: | |
4777 | mgmt = WLAN_AKM_SUITE_PSK_SHA256; | |
4778 | break; | |
4779 | case WPA_KEY_MGMT_OSEN: | |
4780 | mgmt = WLAN_AKM_SUITE_OSEN; | |
4781 | break; | |
4782 | case WPA_KEY_MGMT_IEEE8021X_SUITE_B: | |
4783 | mgmt = WLAN_AKM_SUITE_8021X_SUITE_B; | |
4784 | break; | |
4785 | case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192: | |
4786 | mgmt = WLAN_AKM_SUITE_8021X_SUITE_B_192; | |
4787 | break; | |
4788 | case WPA_KEY_MGMT_PSK: | |
4789 | default: | |
4790 | mgmt = WLAN_AKM_SUITE_PSK; | |
4791 | break; | |
4792 | } | |
4793 | wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt); | |
4794 | if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt)) | |
4795 | return -1; | |
4796 | } | |
4797 | ||
4798 | if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT)) | |
4799 | return -1; | |
4800 | ||
4801 | if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED && | |
4802 | nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED)) | |
4803 | return -1; | |
4804 | ||
4805 | if (params->rrm_used) { | |
4806 | u32 drv_rrm_flags = drv->capa.rrm_flags; | |
4807 | if (!(drv_rrm_flags & | |
4808 | WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) || | |
4809 | !(drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET) || | |
4810 | nla_put_flag(msg, NL80211_ATTR_USE_RRM)) | |
4811 | return -1; | |
4812 | } | |
4813 | ||
4814 | if (nl80211_ht_vht_overrides(msg, params) < 0) | |
4815 | return -1; | |
4816 | ||
4817 | if (params->p2p) | |
4818 | wpa_printf(MSG_DEBUG, " * P2P group"); | |
4819 | ||
4820 | if (params->pbss) { | |
4821 | wpa_printf(MSG_DEBUG, " * PBSS"); | |
4822 | if (nla_put_flag(msg, NL80211_ATTR_PBSS)) | |
4823 | return -1; | |
4824 | } | |
4825 | ||
4826 | return 0; | |
4827 | } | |
4828 | ||
4829 | ||
4830 | static int wpa_driver_nl80211_try_connect( | |
4831 | struct wpa_driver_nl80211_data *drv, | |
4832 | struct wpa_driver_associate_params *params) | |
4833 | { | |
4834 | struct nl_msg *msg; | |
4835 | enum nl80211_auth_type type; | |
4836 | int ret; | |
4837 | int algs; | |
4838 | ||
4839 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
4840 | if (params->req_key_mgmt_offload && params->psk && | |
4841 | (params->key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
4842 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 || | |
4843 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) { | |
4844 | wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK"); | |
4845 | ret = issue_key_mgmt_set_key(drv, params->psk, 32); | |
4846 | if (ret) | |
4847 | return ret; | |
4848 | } | |
4849 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
4850 | ||
4851 | wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex); | |
4852 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT); | |
4853 | if (!msg) | |
4854 | return -1; | |
4855 | ||
4856 | ret = nl80211_connect_common(drv, params, msg); | |
4857 | if (ret) | |
4858 | goto fail; | |
4859 | ||
4860 | algs = 0; | |
4861 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) | |
4862 | algs++; | |
4863 | if (params->auth_alg & WPA_AUTH_ALG_SHARED) | |
4864 | algs++; | |
4865 | if (params->auth_alg & WPA_AUTH_ALG_LEAP) | |
4866 | algs++; | |
4867 | if (algs > 1) { | |
4868 | wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic " | |
4869 | "selection"); | |
4870 | goto skip_auth_type; | |
4871 | } | |
4872 | ||
4873 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) | |
4874 | type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
4875 | else if (params->auth_alg & WPA_AUTH_ALG_SHARED) | |
4876 | type = NL80211_AUTHTYPE_SHARED_KEY; | |
4877 | else if (params->auth_alg & WPA_AUTH_ALG_LEAP) | |
4878 | type = NL80211_AUTHTYPE_NETWORK_EAP; | |
4879 | else if (params->auth_alg & WPA_AUTH_ALG_FT) | |
4880 | type = NL80211_AUTHTYPE_FT; | |
4881 | else | |
4882 | goto fail; | |
4883 | ||
4884 | wpa_printf(MSG_DEBUG, " * Auth Type %d", type); | |
4885 | if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type)) | |
4886 | goto fail; | |
4887 | ||
4888 | skip_auth_type: | |
4889 | ret = nl80211_set_conn_keys(params, msg); | |
4890 | if (ret) | |
4891 | goto fail; | |
4892 | ||
4893 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4894 | msg = NULL; | |
4895 | if (ret) { | |
4896 | wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d " | |
4897 | "(%s)", ret, strerror(-ret)); | |
4898 | } else { | |
4899 | wpa_printf(MSG_DEBUG, | |
4900 | "nl80211: Connect request send successfully"); | |
4901 | } | |
4902 | ||
4903 | fail: | |
4904 | nlmsg_free(msg); | |
4905 | return ret; | |
4906 | ||
4907 | } | |
4908 | ||
4909 | ||
4910 | static int wpa_driver_nl80211_connect( | |
4911 | struct wpa_driver_nl80211_data *drv, | |
4912 | struct wpa_driver_associate_params *params) | |
4913 | { | |
4914 | int ret; | |
4915 | ||
4916 | /* Store the connection attempted bssid for future use */ | |
4917 | if (params->bssid) | |
4918 | os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN); | |
4919 | else | |
4920 | os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN); | |
4921 | ||
4922 | ret = wpa_driver_nl80211_try_connect(drv, params); | |
4923 | if (ret == -EALREADY) { | |
4924 | /* | |
4925 | * cfg80211 does not currently accept new connections if | |
4926 | * we are already connected. As a workaround, force | |
4927 | * disconnection and try again. | |
4928 | */ | |
4929 | wpa_printf(MSG_DEBUG, "nl80211: Explicitly " | |
4930 | "disconnecting before reassociation " | |
4931 | "attempt"); | |
4932 | if (wpa_driver_nl80211_disconnect( | |
4933 | drv, WLAN_REASON_PREV_AUTH_NOT_VALID)) | |
4934 | return -1; | |
4935 | ret = wpa_driver_nl80211_try_connect(drv, params); | |
4936 | } | |
4937 | return ret; | |
4938 | } | |
4939 | ||
4940 | ||
4941 | static int wpa_driver_nl80211_associate( | |
4942 | void *priv, struct wpa_driver_associate_params *params) | |
4943 | { | |
4944 | struct i802_bss *bss = priv; | |
4945 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4946 | int ret = -1; | |
4947 | struct nl_msg *msg; | |
4948 | ||
4949 | nl80211_unmask_11b_rates(bss); | |
4950 | ||
4951 | if (params->mode == IEEE80211_MODE_AP) | |
4952 | return wpa_driver_nl80211_ap(drv, params); | |
4953 | ||
4954 | if (params->mode == IEEE80211_MODE_IBSS) | |
4955 | return wpa_driver_nl80211_ibss(drv, params); | |
4956 | ||
4957 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) { | |
4958 | enum nl80211_iftype nlmode = params->p2p ? | |
4959 | NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; | |
4960 | ||
4961 | if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0) | |
4962 | return -1; | |
4963 | return wpa_driver_nl80211_connect(drv, params); | |
4964 | } | |
4965 | ||
4966 | nl80211_mark_disconnected(drv); | |
4967 | ||
4968 | wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)", | |
4969 | drv->ifindex); | |
4970 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE); | |
4971 | if (!msg) | |
4972 | return -1; | |
4973 | ||
4974 | ret = nl80211_connect_common(drv, params, msg); | |
4975 | if (ret) | |
4976 | goto fail; | |
4977 | ||
4978 | if (params->prev_bssid) { | |
4979 | wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR, | |
4980 | MAC2STR(params->prev_bssid)); | |
4981 | if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN, | |
4982 | params->prev_bssid)) | |
4983 | goto fail; | |
4984 | } | |
4985 | ||
4986 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4987 | msg = NULL; | |
4988 | if (ret) { | |
4989 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
4990 | "nl80211: MLME command failed (assoc): ret=%d (%s)", | |
4991 | ret, strerror(-ret)); | |
4992 | nl80211_dump_scan(drv); | |
4993 | } else { | |
4994 | wpa_printf(MSG_DEBUG, | |
4995 | "nl80211: Association request send successfully"); | |
4996 | } | |
4997 | ||
4998 | fail: | |
4999 | nlmsg_free(msg); | |
5000 | return ret; | |
5001 | } | |
5002 | ||
5003 | ||
5004 | static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv, | |
5005 | int ifindex, enum nl80211_iftype mode) | |
5006 | { | |
5007 | struct nl_msg *msg; | |
5008 | int ret = -ENOBUFS; | |
5009 | ||
5010 | wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)", | |
5011 | ifindex, mode, nl80211_iftype_str(mode)); | |
5012 | ||
5013 | msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE); | |
5014 | if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode)) | |
5015 | goto fail; | |
5016 | ||
5017 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5018 | msg = NULL; | |
5019 | if (!ret) | |
5020 | return 0; | |
5021 | fail: | |
5022 | nlmsg_free(msg); | |
5023 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:" | |
5024 | " %d (%s)", ifindex, mode, ret, strerror(-ret)); | |
5025 | return ret; | |
5026 | } | |
5027 | ||
5028 | ||
5029 | static int wpa_driver_nl80211_set_mode_impl( | |
5030 | struct i802_bss *bss, | |
5031 | enum nl80211_iftype nlmode, | |
5032 | struct hostapd_freq_params *desired_freq_params) | |
5033 | { | |
5034 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5035 | int ret = -1; | |
5036 | int i; | |
5037 | int was_ap = is_ap_interface(drv->nlmode); | |
5038 | int res; | |
5039 | int mode_switch_res; | |
5040 | ||
5041 | mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode); | |
5042 | if (mode_switch_res && nlmode == nl80211_get_ifmode(bss)) | |
5043 | mode_switch_res = 0; | |
5044 | ||
5045 | if (mode_switch_res == 0) { | |
5046 | drv->nlmode = nlmode; | |
5047 | ret = 0; | |
5048 | goto done; | |
5049 | } | |
5050 | ||
5051 | if (mode_switch_res == -ENODEV) | |
5052 | return -1; | |
5053 | ||
5054 | if (nlmode == drv->nlmode) { | |
5055 | wpa_printf(MSG_DEBUG, "nl80211: Interface already in " | |
5056 | "requested mode - ignore error"); | |
5057 | ret = 0; | |
5058 | goto done; /* Already in the requested mode */ | |
5059 | } | |
5060 | ||
5061 | /* mac80211 doesn't allow mode changes while the device is up, so | |
5062 | * take the device down, try to set the mode again, and bring the | |
5063 | * device back up. | |
5064 | */ | |
5065 | wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting " | |
5066 | "interface down"); | |
5067 | for (i = 0; i < 10; i++) { | |
5068 | res = i802_set_iface_flags(bss, 0); | |
5069 | if (res == -EACCES || res == -ENODEV) | |
5070 | break; | |
5071 | if (res != 0) { | |
5072 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set " | |
5073 | "interface down"); | |
5074 | os_sleep(0, 100000); | |
5075 | continue; | |
5076 | } | |
5077 | ||
5078 | /* | |
5079 | * Setting the mode will fail for some drivers if the phy is | |
5080 | * on a frequency that the mode is disallowed in. | |
5081 | */ | |
5082 | if (desired_freq_params) { | |
5083 | res = nl80211_set_channel(bss, desired_freq_params, 0); | |
5084 | if (res) { | |
5085 | wpa_printf(MSG_DEBUG, | |
5086 | "nl80211: Failed to set frequency on interface"); | |
5087 | } | |
5088 | } | |
5089 | ||
5090 | /* Try to set the mode again while the interface is down */ | |
5091 | mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode); | |
5092 | if (mode_switch_res == -EBUSY) { | |
5093 | wpa_printf(MSG_DEBUG, | |
5094 | "nl80211: Delaying mode set while interface going down"); | |
5095 | os_sleep(0, 100000); | |
5096 | continue; | |
5097 | } | |
5098 | ret = mode_switch_res; | |
5099 | break; | |
5100 | } | |
5101 | ||
5102 | if (!ret) { | |
5103 | wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while " | |
5104 | "interface is down"); | |
5105 | drv->nlmode = nlmode; | |
5106 | drv->ignore_if_down_event = 1; | |
5107 | } | |
5108 | ||
5109 | /* Bring the interface back up */ | |
5110 | res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1); | |
5111 | if (res != 0) { | |
5112 | wpa_printf(MSG_DEBUG, | |
5113 | "nl80211: Failed to set interface up after switching mode"); | |
5114 | ret = -1; | |
5115 | } | |
5116 | ||
5117 | done: | |
5118 | if (ret) { | |
5119 | wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d " | |
5120 | "from %d failed", nlmode, drv->nlmode); | |
5121 | return ret; | |
5122 | } | |
5123 | ||
5124 | if (is_p2p_net_interface(nlmode)) { | |
5125 | wpa_printf(MSG_DEBUG, | |
5126 | "nl80211: Interface %s mode change to P2P - disable 11b rates", | |
5127 | bss->ifname); | |
5128 | nl80211_disable_11b_rates(drv, drv->ifindex, 1); | |
5129 | } else if (drv->disabled_11b_rates) { | |
5130 | wpa_printf(MSG_DEBUG, | |
5131 | "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates", | |
5132 | bss->ifname); | |
5133 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); | |
5134 | } | |
5135 | ||
5136 | if (is_ap_interface(nlmode)) { | |
5137 | nl80211_mgmt_unsubscribe(bss, "start AP"); | |
5138 | /* Setup additional AP mode functionality if needed */ | |
5139 | if (nl80211_setup_ap(bss)) | |
5140 | return -1; | |
5141 | } else if (was_ap) { | |
5142 | /* Remove additional AP mode functionality */ | |
5143 | nl80211_teardown_ap(bss); | |
5144 | } else { | |
5145 | nl80211_mgmt_unsubscribe(bss, "mode change"); | |
5146 | } | |
5147 | ||
5148 | if (is_mesh_interface(nlmode) && | |
5149 | nl80211_mgmt_subscribe_mesh(bss)) | |
5150 | return -1; | |
5151 | ||
5152 | if (!bss->in_deinit && !is_ap_interface(nlmode) && | |
5153 | !is_mesh_interface(nlmode) && | |
5154 | nl80211_mgmt_subscribe_non_ap(bss) < 0) | |
5155 | wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action " | |
5156 | "frame processing - ignore for now"); | |
5157 | ||
5158 | return 0; | |
5159 | } | |
5160 | ||
5161 | ||
5162 | int wpa_driver_nl80211_set_mode(struct i802_bss *bss, | |
5163 | enum nl80211_iftype nlmode) | |
5164 | { | |
5165 | return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL); | |
5166 | } | |
5167 | ||
5168 | ||
5169 | static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss, | |
5170 | struct hostapd_freq_params *freq) | |
5171 | { | |
5172 | return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC, | |
5173 | freq); | |
5174 | } | |
5175 | ||
5176 | ||
5177 | static int wpa_driver_nl80211_get_capa(void *priv, | |
5178 | struct wpa_driver_capa *capa) | |
5179 | { | |
5180 | struct i802_bss *bss = priv; | |
5181 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5182 | ||
5183 | if (!drv->has_capability) | |
5184 | return -1; | |
5185 | os_memcpy(capa, &drv->capa, sizeof(*capa)); | |
5186 | if (drv->extended_capa && drv->extended_capa_mask) { | |
5187 | capa->extended_capa = drv->extended_capa; | |
5188 | capa->extended_capa_mask = drv->extended_capa_mask; | |
5189 | capa->extended_capa_len = drv->extended_capa_len; | |
5190 | } | |
5191 | ||
5192 | return 0; | |
5193 | } | |
5194 | ||
5195 | ||
5196 | static int wpa_driver_nl80211_set_operstate(void *priv, int state) | |
5197 | { | |
5198 | struct i802_bss *bss = priv; | |
5199 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5200 | ||
5201 | wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)", | |
5202 | bss->ifname, drv->operstate, state, | |
5203 | state ? "UP" : "DORMANT"); | |
5204 | drv->operstate = state; | |
5205 | return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1, | |
5206 | state ? IF_OPER_UP : IF_OPER_DORMANT); | |
5207 | } | |
5208 | ||
5209 | ||
5210 | static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized) | |
5211 | { | |
5212 | struct i802_bss *bss = priv; | |
5213 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5214 | struct nl_msg *msg; | |
5215 | struct nl80211_sta_flag_update upd; | |
5216 | int ret; | |
5217 | ||
5218 | if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) { | |
5219 | wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated"); | |
5220 | return 0; | |
5221 | } | |
5222 | ||
5223 | wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for " | |
5224 | MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid)); | |
5225 | ||
5226 | os_memset(&upd, 0, sizeof(upd)); | |
5227 | upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED); | |
5228 | if (authorized) | |
5229 | upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED); | |
5230 | ||
5231 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) || | |
5232 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) || | |
5233 | nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) { | |
5234 | nlmsg_free(msg); | |
5235 | return -ENOBUFS; | |
5236 | } | |
5237 | ||
5238 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5239 | if (!ret) | |
5240 | return 0; | |
5241 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)", | |
5242 | ret, strerror(-ret)); | |
5243 | return ret; | |
5244 | } | |
5245 | ||
5246 | ||
5247 | /* Set kernel driver on given frequency (MHz) */ | |
5248 | static int i802_set_freq(void *priv, struct hostapd_freq_params *freq) | |
5249 | { | |
5250 | struct i802_bss *bss = priv; | |
5251 | return nl80211_set_channel(bss, freq, 0); | |
5252 | } | |
5253 | ||
5254 | ||
5255 | static inline int min_int(int a, int b) | |
5256 | { | |
5257 | if (a < b) | |
5258 | return a; | |
5259 | return b; | |
5260 | } | |
5261 | ||
5262 | ||
5263 | static int get_key_handler(struct nl_msg *msg, void *arg) | |
5264 | { | |
5265 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
5266 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
5267 | ||
5268 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
5269 | genlmsg_attrlen(gnlh, 0), NULL); | |
5270 | ||
5271 | /* | |
5272 | * TODO: validate the key index and mac address! | |
5273 | * Otherwise, there's a race condition as soon as | |
5274 | * the kernel starts sending key notifications. | |
5275 | */ | |
5276 | ||
5277 | if (tb[NL80211_ATTR_KEY_SEQ]) | |
5278 | memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]), | |
5279 | min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6)); | |
5280 | return NL_SKIP; | |
5281 | } | |
5282 | ||
5283 | ||
5284 | static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr, | |
5285 | int idx, u8 *seq) | |
5286 | { | |
5287 | struct i802_bss *bss = priv; | |
5288 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5289 | struct nl_msg *msg; | |
5290 | ||
5291 | msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0, | |
5292 | NL80211_CMD_GET_KEY); | |
5293 | if (!msg || | |
5294 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
5295 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) { | |
5296 | nlmsg_free(msg); | |
5297 | return -ENOBUFS; | |
5298 | } | |
5299 | ||
5300 | memset(seq, 0, 6); | |
5301 | ||
5302 | return send_and_recv_msgs(drv, msg, get_key_handler, seq); | |
5303 | } | |
5304 | ||
5305 | ||
5306 | static int i802_set_rts(void *priv, int rts) | |
5307 | { | |
5308 | struct i802_bss *bss = priv; | |
5309 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5310 | struct nl_msg *msg; | |
5311 | int ret; | |
5312 | u32 val; | |
5313 | ||
5314 | if (rts >= 2347) | |
5315 | val = (u32) -1; | |
5316 | else | |
5317 | val = rts; | |
5318 | ||
5319 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) || | |
5320 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) { | |
5321 | nlmsg_free(msg); | |
5322 | return -ENOBUFS; | |
5323 | } | |
5324 | ||
5325 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5326 | if (!ret) | |
5327 | return 0; | |
5328 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: " | |
5329 | "%d (%s)", rts, ret, strerror(-ret)); | |
5330 | return ret; | |
5331 | } | |
5332 | ||
5333 | ||
5334 | static int i802_set_frag(void *priv, int frag) | |
5335 | { | |
5336 | struct i802_bss *bss = priv; | |
5337 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5338 | struct nl_msg *msg; | |
5339 | int ret; | |
5340 | u32 val; | |
5341 | ||
5342 | if (frag >= 2346) | |
5343 | val = (u32) -1; | |
5344 | else | |
5345 | val = frag; | |
5346 | ||
5347 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) || | |
5348 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) { | |
5349 | nlmsg_free(msg); | |
5350 | return -ENOBUFS; | |
5351 | } | |
5352 | ||
5353 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5354 | if (!ret) | |
5355 | return 0; | |
5356 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold " | |
5357 | "%d: %d (%s)", frag, ret, strerror(-ret)); | |
5358 | return ret; | |
5359 | } | |
5360 | ||
5361 | ||
5362 | static int i802_flush(void *priv) | |
5363 | { | |
5364 | struct i802_bss *bss = priv; | |
5365 | struct nl_msg *msg; | |
5366 | int res; | |
5367 | ||
5368 | wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)", | |
5369 | bss->ifname); | |
5370 | ||
5371 | /* | |
5372 | * XXX: FIX! this needs to flush all VLANs too | |
5373 | */ | |
5374 | msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION); | |
5375 | res = send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
5376 | if (res) { | |
5377 | wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d " | |
5378 | "(%s)", res, strerror(-res)); | |
5379 | } | |
5380 | return res; | |
5381 | } | |
5382 | ||
5383 | ||
5384 | static int get_sta_handler(struct nl_msg *msg, void *arg) | |
5385 | { | |
5386 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
5387 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
5388 | struct hostap_sta_driver_data *data = arg; | |
5389 | struct nlattr *stats[NL80211_STA_INFO_MAX + 1]; | |
5390 | static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = { | |
5391 | [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 }, | |
5392 | [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 }, | |
5393 | [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 }, | |
5394 | [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 }, | |
5395 | [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 }, | |
5396 | [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 }, | |
5397 | [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 }, | |
5398 | [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 }, | |
5399 | }; | |
5400 | ||
5401 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
5402 | genlmsg_attrlen(gnlh, 0), NULL); | |
5403 | ||
5404 | /* | |
5405 | * TODO: validate the interface and mac address! | |
5406 | * Otherwise, there's a race condition as soon as | |
5407 | * the kernel starts sending station notifications. | |
5408 | */ | |
5409 | ||
5410 | if (!tb[NL80211_ATTR_STA_INFO]) { | |
5411 | wpa_printf(MSG_DEBUG, "sta stats missing!"); | |
5412 | return NL_SKIP; | |
5413 | } | |
5414 | if (nla_parse_nested(stats, NL80211_STA_INFO_MAX, | |
5415 | tb[NL80211_ATTR_STA_INFO], | |
5416 | stats_policy)) { | |
5417 | wpa_printf(MSG_DEBUG, "failed to parse nested attributes!"); | |
5418 | return NL_SKIP; | |
5419 | } | |
5420 | ||
5421 | if (stats[NL80211_STA_INFO_INACTIVE_TIME]) | |
5422 | data->inactive_msec = | |
5423 | nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]); | |
5424 | /* For backwards compatibility, fetch the 32-bit counters first. */ | |
5425 | if (stats[NL80211_STA_INFO_RX_BYTES]) | |
5426 | data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]); | |
5427 | if (stats[NL80211_STA_INFO_TX_BYTES]) | |
5428 | data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]); | |
5429 | if (stats[NL80211_STA_INFO_RX_BYTES64] && | |
5430 | stats[NL80211_STA_INFO_TX_BYTES64]) { | |
5431 | /* | |
5432 | * The driver supports 64-bit counters, so use them to override | |
5433 | * the 32-bit values. | |
5434 | */ | |
5435 | data->rx_bytes = | |
5436 | nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]); | |
5437 | data->tx_bytes = | |
5438 | nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]); | |
5439 | data->bytes_64bit = 1; | |
5440 | } | |
5441 | if (stats[NL80211_STA_INFO_RX_PACKETS]) | |
5442 | data->rx_packets = | |
5443 | nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]); | |
5444 | if (stats[NL80211_STA_INFO_TX_PACKETS]) | |
5445 | data->tx_packets = | |
5446 | nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]); | |
5447 | if (stats[NL80211_STA_INFO_TX_FAILED]) | |
5448 | data->tx_retry_failed = | |
5449 | nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]); | |
5450 | ||
5451 | return NL_SKIP; | |
5452 | } | |
5453 | ||
5454 | static int i802_read_sta_data(struct i802_bss *bss, | |
5455 | struct hostap_sta_driver_data *data, | |
5456 | const u8 *addr) | |
5457 | { | |
5458 | struct nl_msg *msg; | |
5459 | ||
5460 | os_memset(data, 0, sizeof(*data)); | |
5461 | ||
5462 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) || | |
5463 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) { | |
5464 | nlmsg_free(msg); | |
5465 | return -ENOBUFS; | |
5466 | } | |
5467 | ||
5468 | return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data); | |
5469 | } | |
5470 | ||
5471 | ||
5472 | static int i802_set_tx_queue_params(void *priv, int queue, int aifs, | |
5473 | int cw_min, int cw_max, int burst_time) | |
5474 | { | |
5475 | struct i802_bss *bss = priv; | |
5476 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5477 | struct nl_msg *msg; | |
5478 | struct nlattr *txq, *params; | |
5479 | ||
5480 | msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY); | |
5481 | if (!msg) | |
5482 | return -1; | |
5483 | ||
5484 | txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS); | |
5485 | if (!txq) | |
5486 | goto fail; | |
5487 | ||
5488 | /* We are only sending parameters for a single TXQ at a time */ | |
5489 | params = nla_nest_start(msg, 1); | |
5490 | if (!params) | |
5491 | goto fail; | |
5492 | ||
5493 | switch (queue) { | |
5494 | case 0: | |
5495 | if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO)) | |
5496 | goto fail; | |
5497 | break; | |
5498 | case 1: | |
5499 | if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI)) | |
5500 | goto fail; | |
5501 | break; | |
5502 | case 2: | |
5503 | if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE)) | |
5504 | goto fail; | |
5505 | break; | |
5506 | case 3: | |
5507 | if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK)) | |
5508 | goto fail; | |
5509 | break; | |
5510 | } | |
5511 | /* Burst time is configured in units of 0.1 msec and TXOP parameter in | |
5512 | * 32 usec, so need to convert the value here. */ | |
5513 | if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP, | |
5514 | (burst_time * 100 + 16) / 32) || | |
5515 | nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) || | |
5516 | nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) || | |
5517 | nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs)) | |
5518 | goto fail; | |
5519 | ||
5520 | nla_nest_end(msg, params); | |
5521 | ||
5522 | nla_nest_end(msg, txq); | |
5523 | ||
5524 | if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) | |
5525 | return 0; | |
5526 | msg = NULL; | |
5527 | fail: | |
5528 | nlmsg_free(msg); | |
5529 | return -1; | |
5530 | } | |
5531 | ||
5532 | ||
5533 | static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr, | |
5534 | const char *ifname, int vlan_id) | |
5535 | { | |
5536 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5537 | struct nl_msg *msg; | |
5538 | int ret; | |
5539 | ||
5540 | wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR | |
5541 | ", ifname=%s[%d], vlan_id=%d)", | |
5542 | bss->ifname, if_nametoindex(bss->ifname), | |
5543 | MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id); | |
5544 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) || | |
5545 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
5546 | nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) { | |
5547 | nlmsg_free(msg); | |
5548 | return -ENOBUFS; | |
5549 | } | |
5550 | ||
5551 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5552 | if (ret < 0) { | |
5553 | wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr=" | |
5554 | MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)", | |
5555 | MAC2STR(addr), ifname, vlan_id, ret, | |
5556 | strerror(-ret)); | |
5557 | } | |
5558 | return ret; | |
5559 | } | |
5560 | ||
5561 | ||
5562 | static int i802_get_inact_sec(void *priv, const u8 *addr) | |
5563 | { | |
5564 | struct hostap_sta_driver_data data; | |
5565 | int ret; | |
5566 | ||
5567 | data.inactive_msec = (unsigned long) -1; | |
5568 | ret = i802_read_sta_data(priv, &data, addr); | |
5569 | if (ret == -ENOENT) | |
5570 | return -ENOENT; | |
5571 | if (ret || data.inactive_msec == (unsigned long) -1) | |
5572 | return -1; | |
5573 | return data.inactive_msec / 1000; | |
5574 | } | |
5575 | ||
5576 | ||
5577 | static int i802_sta_clear_stats(void *priv, const u8 *addr) | |
5578 | { | |
5579 | #if 0 | |
5580 | /* TODO */ | |
5581 | #endif | |
5582 | return 0; | |
5583 | } | |
5584 | ||
5585 | ||
5586 | static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, | |
5587 | int reason) | |
5588 | { | |
5589 | struct i802_bss *bss = priv; | |
5590 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5591 | struct ieee80211_mgmt mgmt; | |
5592 | ||
5593 | if (is_mesh_interface(drv->nlmode)) | |
5594 | return -1; | |
5595 | ||
5596 | if (drv->device_ap_sme) | |
5597 | return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason); | |
5598 | ||
5599 | memset(&mgmt, 0, sizeof(mgmt)); | |
5600 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
5601 | WLAN_FC_STYPE_DEAUTH); | |
5602 | memcpy(mgmt.da, addr, ETH_ALEN); | |
5603 | memcpy(mgmt.sa, own_addr, ETH_ALEN); | |
5604 | memcpy(mgmt.bssid, own_addr, ETH_ALEN); | |
5605 | mgmt.u.deauth.reason_code = host_to_le16(reason); | |
5606 | return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, | |
5607 | IEEE80211_HDRLEN + | |
5608 | sizeof(mgmt.u.deauth), 0, 0, 0, 0, | |
5609 | 0, NULL, 0); | |
5610 | } | |
5611 | ||
5612 | ||
5613 | static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, | |
5614 | int reason) | |
5615 | { | |
5616 | struct i802_bss *bss = priv; | |
5617 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5618 | struct ieee80211_mgmt mgmt; | |
5619 | ||
5620 | if (is_mesh_interface(drv->nlmode)) | |
5621 | return -1; | |
5622 | ||
5623 | if (drv->device_ap_sme) | |
5624 | return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason); | |
5625 | ||
5626 | memset(&mgmt, 0, sizeof(mgmt)); | |
5627 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
5628 | WLAN_FC_STYPE_DISASSOC); | |
5629 | memcpy(mgmt.da, addr, ETH_ALEN); | |
5630 | memcpy(mgmt.sa, own_addr, ETH_ALEN); | |
5631 | memcpy(mgmt.bssid, own_addr, ETH_ALEN); | |
5632 | mgmt.u.disassoc.reason_code = host_to_le16(reason); | |
5633 | return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, | |
5634 | IEEE80211_HDRLEN + | |
5635 | sizeof(mgmt.u.disassoc), 0, 0, 0, 0, | |
5636 | 0, NULL, 0); | |
5637 | } | |
5638 | ||
5639 | ||
5640 | static void dump_ifidx(struct wpa_driver_nl80211_data *drv) | |
5641 | { | |
5642 | char buf[200], *pos, *end; | |
5643 | int i, res; | |
5644 | ||
5645 | pos = buf; | |
5646 | end = pos + sizeof(buf); | |
5647 | ||
5648 | for (i = 0; i < drv->num_if_indices; i++) { | |
5649 | if (!drv->if_indices[i]) | |
5650 | continue; | |
5651 | res = os_snprintf(pos, end - pos, " %d(%d)", | |
5652 | drv->if_indices[i], | |
5653 | drv->if_indices_reason[i]); | |
5654 | if (os_snprintf_error(end - pos, res)) | |
5655 | break; | |
5656 | pos += res; | |
5657 | } | |
5658 | *pos = '\0'; | |
5659 | ||
5660 | wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s", | |
5661 | drv->num_if_indices, buf); | |
5662 | } | |
5663 | ||
5664 | ||
5665 | static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
5666 | int ifidx_reason) | |
5667 | { | |
5668 | int i; | |
5669 | int *old, *old_reason; | |
5670 | ||
5671 | wpa_printf(MSG_DEBUG, | |
5672 | "nl80211: Add own interface ifindex %d (ifidx_reason %d)", | |
5673 | ifidx, ifidx_reason); | |
5674 | if (have_ifidx(drv, ifidx, ifidx_reason)) { | |
5675 | wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list", | |
5676 | ifidx); | |
5677 | return; | |
5678 | } | |
5679 | for (i = 0; i < drv->num_if_indices; i++) { | |
5680 | if (drv->if_indices[i] == 0) { | |
5681 | drv->if_indices[i] = ifidx; | |
5682 | drv->if_indices_reason[i] = ifidx_reason; | |
5683 | dump_ifidx(drv); | |
5684 | return; | |
5685 | } | |
5686 | } | |
5687 | ||
5688 | if (drv->if_indices != drv->default_if_indices) | |
5689 | old = drv->if_indices; | |
5690 | else | |
5691 | old = NULL; | |
5692 | ||
5693 | if (drv->if_indices_reason != drv->default_if_indices_reason) | |
5694 | old_reason = drv->if_indices_reason; | |
5695 | else | |
5696 | old_reason = NULL; | |
5697 | ||
5698 | drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1, | |
5699 | sizeof(int)); | |
5700 | drv->if_indices_reason = os_realloc_array(old_reason, | |
5701 | drv->num_if_indices + 1, | |
5702 | sizeof(int)); | |
5703 | if (!drv->if_indices) { | |
5704 | if (!old) | |
5705 | drv->if_indices = drv->default_if_indices; | |
5706 | else | |
5707 | drv->if_indices = old; | |
5708 | } | |
5709 | if (!drv->if_indices_reason) { | |
5710 | if (!old_reason) | |
5711 | drv->if_indices_reason = drv->default_if_indices_reason; | |
5712 | else | |
5713 | drv->if_indices = old_reason; | |
5714 | } | |
5715 | if (!drv->if_indices || !drv->if_indices_reason) { | |
5716 | wpa_printf(MSG_ERROR, "Failed to reallocate memory for " | |
5717 | "interfaces"); | |
5718 | wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx); | |
5719 | return; | |
5720 | } | |
5721 | if (!old) | |
5722 | os_memcpy(drv->if_indices, drv->default_if_indices, | |
5723 | sizeof(drv->default_if_indices)); | |
5724 | if (!old_reason) | |
5725 | os_memcpy(drv->if_indices_reason, | |
5726 | drv->default_if_indices_reason, | |
5727 | sizeof(drv->default_if_indices_reason)); | |
5728 | drv->if_indices[drv->num_if_indices] = ifidx; | |
5729 | drv->if_indices_reason[drv->num_if_indices] = ifidx_reason; | |
5730 | drv->num_if_indices++; | |
5731 | dump_ifidx(drv); | |
5732 | } | |
5733 | ||
5734 | ||
5735 | static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
5736 | int ifidx_reason) | |
5737 | { | |
5738 | int i; | |
5739 | ||
5740 | for (i = 0; i < drv->num_if_indices; i++) { | |
5741 | if ((drv->if_indices[i] == ifidx || ifidx == IFIDX_ANY) && | |
5742 | (drv->if_indices_reason[i] == ifidx_reason || | |
5743 | ifidx_reason == IFIDX_ANY)) { | |
5744 | drv->if_indices[i] = 0; | |
5745 | break; | |
5746 | } | |
5747 | } | |
5748 | dump_ifidx(drv); | |
5749 | } | |
5750 | ||
5751 | ||
5752 | static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
5753 | int ifidx_reason) | |
5754 | { | |
5755 | int i; | |
5756 | ||
5757 | for (i = 0; i < drv->num_if_indices; i++) | |
5758 | if (drv->if_indices[i] == ifidx && | |
5759 | (drv->if_indices_reason[i] == ifidx_reason || | |
5760 | ifidx_reason == IFIDX_ANY)) | |
5761 | return 1; | |
5762 | ||
5763 | return 0; | |
5764 | } | |
5765 | ||
5766 | ||
5767 | static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val, | |
5768 | const char *bridge_ifname, char *ifname_wds) | |
5769 | { | |
5770 | struct i802_bss *bss = priv; | |
5771 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5772 | char name[IFNAMSIZ + 1]; | |
5773 | ||
5774 | os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid); | |
5775 | if (ifname_wds) | |
5776 | os_strlcpy(ifname_wds, name, IFNAMSIZ + 1); | |
5777 | ||
5778 | wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR | |
5779 | " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name); | |
5780 | if (val) { | |
5781 | if (!if_nametoindex(name)) { | |
5782 | if (nl80211_create_iface(drv, name, | |
5783 | NL80211_IFTYPE_AP_VLAN, | |
5784 | bss->addr, 1, NULL, NULL, 0) < | |
5785 | 0) | |
5786 | return -1; | |
5787 | if (bridge_ifname && | |
5788 | linux_br_add_if(drv->global->ioctl_sock, | |
5789 | bridge_ifname, name) < 0) | |
5790 | return -1; | |
5791 | } | |
5792 | if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) { | |
5793 | wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA " | |
5794 | "interface %s up", name); | |
5795 | } | |
5796 | return i802_set_sta_vlan(priv, addr, name, 0); | |
5797 | } else { | |
5798 | if (bridge_ifname) | |
5799 | linux_br_del_if(drv->global->ioctl_sock, bridge_ifname, | |
5800 | name); | |
5801 | ||
5802 | i802_set_sta_vlan(priv, addr, bss->ifname, 0); | |
5803 | nl80211_remove_iface(drv, if_nametoindex(name)); | |
5804 | return 0; | |
5805 | } | |
5806 | } | |
5807 | ||
5808 | ||
5809 | static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx) | |
5810 | { | |
5811 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
5812 | struct sockaddr_ll lladdr; | |
5813 | unsigned char buf[3000]; | |
5814 | int len; | |
5815 | socklen_t fromlen = sizeof(lladdr); | |
5816 | ||
5817 | len = recvfrom(sock, buf, sizeof(buf), 0, | |
5818 | (struct sockaddr *)&lladdr, &fromlen); | |
5819 | if (len < 0) { | |
5820 | wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s", | |
5821 | strerror(errno)); | |
5822 | return; | |
5823 | } | |
5824 | ||
5825 | if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY)) | |
5826 | drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len); | |
5827 | } | |
5828 | ||
5829 | ||
5830 | static int i802_check_bridge(struct wpa_driver_nl80211_data *drv, | |
5831 | struct i802_bss *bss, | |
5832 | const char *brname, const char *ifname) | |
5833 | { | |
5834 | int br_ifindex; | |
5835 | char in_br[IFNAMSIZ]; | |
5836 | ||
5837 | os_strlcpy(bss->brname, brname, IFNAMSIZ); | |
5838 | br_ifindex = if_nametoindex(brname); | |
5839 | if (br_ifindex == 0) { | |
5840 | /* | |
5841 | * Bridge was configured, but the bridge device does | |
5842 | * not exist. Try to add it now. | |
5843 | */ | |
5844 | if (linux_br_add(drv->global->ioctl_sock, brname) < 0) { | |
5845 | wpa_printf(MSG_ERROR, "nl80211: Failed to add the " | |
5846 | "bridge interface %s: %s", | |
5847 | brname, strerror(errno)); | |
5848 | return -1; | |
5849 | } | |
5850 | bss->added_bridge = 1; | |
5851 | br_ifindex = if_nametoindex(brname); | |
5852 | add_ifidx(drv, br_ifindex, drv->ifindex); | |
5853 | } | |
5854 | bss->br_ifindex = br_ifindex; | |
5855 | ||
5856 | if (linux_br_get(in_br, ifname) == 0) { | |
5857 | if (os_strcmp(in_br, brname) == 0) | |
5858 | return 0; /* already in the bridge */ | |
5859 | ||
5860 | wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from " | |
5861 | "bridge %s", ifname, in_br); | |
5862 | if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) < | |
5863 | 0) { | |
5864 | wpa_printf(MSG_ERROR, "nl80211: Failed to " | |
5865 | "remove interface %s from bridge " | |
5866 | "%s: %s", | |
5867 | ifname, brname, strerror(errno)); | |
5868 | return -1; | |
5869 | } | |
5870 | } | |
5871 | ||
5872 | wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s", | |
5873 | ifname, brname); | |
5874 | if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) { | |
5875 | wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s " | |
5876 | "into bridge %s: %s", | |
5877 | ifname, brname, strerror(errno)); | |
5878 | return -1; | |
5879 | } | |
5880 | bss->added_if_into_bridge = 1; | |
5881 | ||
5882 | return 0; | |
5883 | } | |
5884 | ||
5885 | ||
5886 | static void *i802_init(struct hostapd_data *hapd, | |
5887 | struct wpa_init_params *params) | |
5888 | { | |
5889 | struct wpa_driver_nl80211_data *drv; | |
5890 | struct i802_bss *bss; | |
5891 | size_t i; | |
5892 | char master_ifname[IFNAMSIZ]; | |
5893 | int ifindex, br_ifindex = 0; | |
5894 | int br_added = 0; | |
5895 | ||
5896 | bss = wpa_driver_nl80211_drv_init(hapd, params->ifname, | |
5897 | params->global_priv, 1, | |
5898 | params->bssid, params->driver_params); | |
5899 | if (bss == NULL) | |
5900 | return NULL; | |
5901 | ||
5902 | drv = bss->drv; | |
5903 | ||
5904 | if (linux_br_get(master_ifname, params->ifname) == 0) { | |
5905 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s", | |
5906 | params->ifname, master_ifname); | |
5907 | br_ifindex = if_nametoindex(master_ifname); | |
5908 | os_strlcpy(bss->brname, master_ifname, IFNAMSIZ); | |
5909 | } else if ((params->num_bridge == 0 || !params->bridge[0]) && | |
5910 | linux_master_get(master_ifname, params->ifname) == 0) { | |
5911 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s", | |
5912 | params->ifname, master_ifname); | |
5913 | /* start listening for EAPOL on the master interface */ | |
5914 | add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex); | |
5915 | ||
5916 | /* check if master itself is under bridge */ | |
5917 | if (linux_br_get(master_ifname, master_ifname) == 0) { | |
5918 | wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s", | |
5919 | master_ifname); | |
5920 | br_ifindex = if_nametoindex(master_ifname); | |
5921 | os_strlcpy(bss->brname, master_ifname, IFNAMSIZ); | |
5922 | } | |
5923 | } else { | |
5924 | master_ifname[0] = '\0'; | |
5925 | } | |
5926 | ||
5927 | bss->br_ifindex = br_ifindex; | |
5928 | ||
5929 | for (i = 0; i < params->num_bridge; i++) { | |
5930 | if (params->bridge[i]) { | |
5931 | ifindex = if_nametoindex(params->bridge[i]); | |
5932 | if (ifindex) | |
5933 | add_ifidx(drv, ifindex, drv->ifindex); | |
5934 | if (ifindex == br_ifindex) | |
5935 | br_added = 1; | |
5936 | } | |
5937 | } | |
5938 | ||
5939 | /* start listening for EAPOL on the default AP interface */ | |
5940 | add_ifidx(drv, drv->ifindex, IFIDX_ANY); | |
5941 | ||
5942 | if (params->num_bridge && params->bridge[0]) { | |
5943 | if (i802_check_bridge(drv, bss, params->bridge[0], | |
5944 | params->ifname) < 0) | |
5945 | goto failed; | |
5946 | if (os_strcmp(params->bridge[0], master_ifname) != 0) | |
5947 | br_added = 1; | |
5948 | } | |
5949 | ||
5950 | if (!br_added && br_ifindex && | |
5951 | (params->num_bridge == 0 || !params->bridge[0])) | |
5952 | add_ifidx(drv, br_ifindex, drv->ifindex); | |
5953 | ||
5954 | #ifdef CONFIG_LIBNL3_ROUTE | |
5955 | if (bss->added_if_into_bridge) { | |
5956 | drv->rtnl_sk = nl_socket_alloc(); | |
5957 | if (drv->rtnl_sk == NULL) { | |
5958 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock"); | |
5959 | goto failed; | |
5960 | } | |
5961 | ||
5962 | if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) { | |
5963 | wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s", | |
5964 | strerror(errno)); | |
5965 | goto failed; | |
5966 | } | |
5967 | } | |
5968 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
5969 | ||
5970 | drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE)); | |
5971 | if (drv->eapol_sock < 0) { | |
5972 | wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s", | |
5973 | strerror(errno)); | |
5974 | goto failed; | |
5975 | } | |
5976 | ||
5977 | if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL)) | |
5978 | { | |
5979 | wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol"); | |
5980 | goto failed; | |
5981 | } | |
5982 | ||
5983 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
5984 | params->own_addr)) | |
5985 | goto failed; | |
5986 | os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN); | |
5987 | ||
5988 | memcpy(bss->addr, params->own_addr, ETH_ALEN); | |
5989 | ||
5990 | return bss; | |
5991 | ||
5992 | failed: | |
5993 | wpa_driver_nl80211_deinit(bss); | |
5994 | return NULL; | |
5995 | } | |
5996 | ||
5997 | ||
5998 | static void i802_deinit(void *priv) | |
5999 | { | |
6000 | struct i802_bss *bss = priv; | |
6001 | wpa_driver_nl80211_deinit(bss); | |
6002 | } | |
6003 | ||
6004 | ||
6005 | static enum nl80211_iftype wpa_driver_nl80211_if_type( | |
6006 | enum wpa_driver_if_type type) | |
6007 | { | |
6008 | switch (type) { | |
6009 | case WPA_IF_STATION: | |
6010 | return NL80211_IFTYPE_STATION; | |
6011 | case WPA_IF_P2P_CLIENT: | |
6012 | case WPA_IF_P2P_GROUP: | |
6013 | return NL80211_IFTYPE_P2P_CLIENT; | |
6014 | case WPA_IF_AP_VLAN: | |
6015 | return NL80211_IFTYPE_AP_VLAN; | |
6016 | case WPA_IF_AP_BSS: | |
6017 | return NL80211_IFTYPE_AP; | |
6018 | case WPA_IF_P2P_GO: | |
6019 | return NL80211_IFTYPE_P2P_GO; | |
6020 | case WPA_IF_P2P_DEVICE: | |
6021 | return NL80211_IFTYPE_P2P_DEVICE; | |
6022 | case WPA_IF_MESH: | |
6023 | return NL80211_IFTYPE_MESH_POINT; | |
6024 | default: | |
6025 | return -1; | |
6026 | } | |
6027 | } | |
6028 | ||
6029 | ||
6030 | static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr) | |
6031 | { | |
6032 | struct wpa_driver_nl80211_data *drv; | |
6033 | dl_list_for_each(drv, &global->interfaces, | |
6034 | struct wpa_driver_nl80211_data, list) { | |
6035 | if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0) | |
6036 | return 1; | |
6037 | } | |
6038 | return 0; | |
6039 | } | |
6040 | ||
6041 | ||
6042 | static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr) | |
6043 | { | |
6044 | unsigned int idx; | |
6045 | ||
6046 | if (!drv->global) | |
6047 | return -1; | |
6048 | ||
6049 | os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN); | |
6050 | for (idx = 0; idx < 64; idx++) { | |
6051 | new_addr[0] = drv->first_bss->addr[0] | 0x02; | |
6052 | new_addr[0] ^= idx << 2; | |
6053 | if (!nl80211_addr_in_use(drv->global, new_addr)) | |
6054 | break; | |
6055 | } | |
6056 | if (idx == 64) | |
6057 | return -1; | |
6058 | ||
6059 | wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address " | |
6060 | MACSTR, MAC2STR(new_addr)); | |
6061 | ||
6062 | return 0; | |
6063 | } | |
6064 | ||
6065 | ||
6066 | struct wdev_info { | |
6067 | u64 wdev_id; | |
6068 | int wdev_id_set; | |
6069 | u8 macaddr[ETH_ALEN]; | |
6070 | }; | |
6071 | ||
6072 | static int nl80211_wdev_handler(struct nl_msg *msg, void *arg) | |
6073 | { | |
6074 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
6075 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
6076 | struct wdev_info *wi = arg; | |
6077 | ||
6078 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
6079 | genlmsg_attrlen(gnlh, 0), NULL); | |
6080 | if (tb[NL80211_ATTR_WDEV]) { | |
6081 | wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]); | |
6082 | wi->wdev_id_set = 1; | |
6083 | } | |
6084 | ||
6085 | if (tb[NL80211_ATTR_MAC]) | |
6086 | os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]), | |
6087 | ETH_ALEN); | |
6088 | ||
6089 | return NL_SKIP; | |
6090 | } | |
6091 | ||
6092 | ||
6093 | static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type, | |
6094 | const char *ifname, const u8 *addr, | |
6095 | void *bss_ctx, void **drv_priv, | |
6096 | char *force_ifname, u8 *if_addr, | |
6097 | const char *bridge, int use_existing, | |
6098 | int setup_ap) | |
6099 | { | |
6100 | enum nl80211_iftype nlmode; | |
6101 | struct i802_bss *bss = priv; | |
6102 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6103 | int ifidx; | |
6104 | int added = 1; | |
6105 | ||
6106 | if (addr) | |
6107 | os_memcpy(if_addr, addr, ETH_ALEN); | |
6108 | nlmode = wpa_driver_nl80211_if_type(type); | |
6109 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) { | |
6110 | struct wdev_info p2pdev_info; | |
6111 | ||
6112 | os_memset(&p2pdev_info, 0, sizeof(p2pdev_info)); | |
6113 | ifidx = nl80211_create_iface(drv, ifname, nlmode, addr, | |
6114 | 0, nl80211_wdev_handler, | |
6115 | &p2pdev_info, use_existing); | |
6116 | if (!p2pdev_info.wdev_id_set || ifidx != 0) { | |
6117 | wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s", | |
6118 | ifname); | |
6119 | return -1; | |
6120 | } | |
6121 | ||
6122 | drv->global->if_add_wdevid = p2pdev_info.wdev_id; | |
6123 | drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set; | |
6124 | if (!is_zero_ether_addr(p2pdev_info.macaddr)) | |
6125 | os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN); | |
6126 | wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created", | |
6127 | ifname, | |
6128 | (long long unsigned int) p2pdev_info.wdev_id); | |
6129 | } else { | |
6130 | ifidx = nl80211_create_iface(drv, ifname, nlmode, addr, | |
6131 | 0, NULL, NULL, use_existing); | |
6132 | if (use_existing && ifidx == -ENFILE) { | |
6133 | added = 0; | |
6134 | ifidx = if_nametoindex(ifname); | |
6135 | } else if (ifidx < 0) { | |
6136 | return -1; | |
6137 | } | |
6138 | } | |
6139 | ||
6140 | if (!addr) { | |
6141 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
6142 | os_memcpy(if_addr, bss->addr, ETH_ALEN); | |
6143 | else if (linux_get_ifhwaddr(drv->global->ioctl_sock, | |
6144 | ifname, if_addr) < 0) { | |
6145 | if (added) | |
6146 | nl80211_remove_iface(drv, ifidx); | |
6147 | return -1; | |
6148 | } | |
6149 | } | |
6150 | ||
6151 | if (!addr && | |
6152 | (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP || | |
6153 | type == WPA_IF_P2P_GO || type == WPA_IF_MESH || | |
6154 | type == WPA_IF_STATION)) { | |
6155 | /* Enforce unique address */ | |
6156 | u8 new_addr[ETH_ALEN]; | |
6157 | ||
6158 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname, | |
6159 | new_addr) < 0) { | |
6160 | if (added) | |
6161 | nl80211_remove_iface(drv, ifidx); | |
6162 | return -1; | |
6163 | } | |
6164 | if (nl80211_addr_in_use(drv->global, new_addr)) { | |
6165 | wpa_printf(MSG_DEBUG, "nl80211: Allocate new address " | |
6166 | "for interface %s type %d", ifname, type); | |
6167 | if (nl80211_vif_addr(drv, new_addr) < 0) { | |
6168 | if (added) | |
6169 | nl80211_remove_iface(drv, ifidx); | |
6170 | return -1; | |
6171 | } | |
6172 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, | |
6173 | new_addr) < 0) { | |
6174 | if (added) | |
6175 | nl80211_remove_iface(drv, ifidx); | |
6176 | return -1; | |
6177 | } | |
6178 | } | |
6179 | os_memcpy(if_addr, new_addr, ETH_ALEN); | |
6180 | } | |
6181 | ||
6182 | if (type == WPA_IF_AP_BSS && setup_ap) { | |
6183 | struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss)); | |
6184 | if (new_bss == NULL) { | |
6185 | if (added) | |
6186 | nl80211_remove_iface(drv, ifidx); | |
6187 | return -1; | |
6188 | } | |
6189 | ||
6190 | if (bridge && | |
6191 | i802_check_bridge(drv, new_bss, bridge, ifname) < 0) { | |
6192 | wpa_printf(MSG_ERROR, "nl80211: Failed to add the new " | |
6193 | "interface %s to a bridge %s", | |
6194 | ifname, bridge); | |
6195 | if (added) | |
6196 | nl80211_remove_iface(drv, ifidx); | |
6197 | os_free(new_bss); | |
6198 | return -1; | |
6199 | } | |
6200 | ||
6201 | if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1)) | |
6202 | { | |
6203 | if (added) | |
6204 | nl80211_remove_iface(drv, ifidx); | |
6205 | os_free(new_bss); | |
6206 | return -1; | |
6207 | } | |
6208 | os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ); | |
6209 | os_memcpy(new_bss->addr, if_addr, ETH_ALEN); | |
6210 | new_bss->ifindex = ifidx; | |
6211 | new_bss->drv = drv; | |
6212 | new_bss->next = drv->first_bss->next; | |
6213 | new_bss->freq = drv->first_bss->freq; | |
6214 | new_bss->ctx = bss_ctx; | |
6215 | new_bss->added_if = added; | |
6216 | drv->first_bss->next = new_bss; | |
6217 | if (drv_priv) | |
6218 | *drv_priv = new_bss; | |
6219 | nl80211_init_bss(new_bss); | |
6220 | ||
6221 | /* Subscribe management frames for this WPA_IF_AP_BSS */ | |
6222 | if (nl80211_setup_ap(new_bss)) | |
6223 | return -1; | |
6224 | } | |
6225 | ||
6226 | if (drv->global) | |
6227 | drv->global->if_add_ifindex = ifidx; | |
6228 | ||
6229 | /* | |
6230 | * Some virtual interfaces need to process EAPOL packets and events on | |
6231 | * the parent interface. This is used mainly with hostapd. | |
6232 | */ | |
6233 | if (ifidx > 0 && | |
6234 | (drv->hostapd || | |
6235 | nlmode == NL80211_IFTYPE_AP_VLAN || | |
6236 | nlmode == NL80211_IFTYPE_WDS || | |
6237 | nlmode == NL80211_IFTYPE_MONITOR)) | |
6238 | add_ifidx(drv, ifidx, IFIDX_ANY); | |
6239 | ||
6240 | return 0; | |
6241 | } | |
6242 | ||
6243 | ||
6244 | static int wpa_driver_nl80211_if_remove(struct i802_bss *bss, | |
6245 | enum wpa_driver_if_type type, | |
6246 | const char *ifname) | |
6247 | { | |
6248 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6249 | int ifindex = if_nametoindex(ifname); | |
6250 | ||
6251 | wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d", | |
6252 | __func__, type, ifname, ifindex, bss->added_if); | |
6253 | if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex)) | |
6254 | nl80211_remove_iface(drv, ifindex); | |
6255 | else if (ifindex > 0 && !bss->added_if) { | |
6256 | struct wpa_driver_nl80211_data *drv2; | |
6257 | dl_list_for_each(drv2, &drv->global->interfaces, | |
6258 | struct wpa_driver_nl80211_data, list) { | |
6259 | del_ifidx(drv2, ifindex, IFIDX_ANY); | |
6260 | del_ifidx(drv2, IFIDX_ANY, ifindex); | |
6261 | } | |
6262 | } | |
6263 | ||
6264 | if (type != WPA_IF_AP_BSS) | |
6265 | return 0; | |
6266 | ||
6267 | if (bss->added_if_into_bridge) { | |
6268 | if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, | |
6269 | bss->ifname) < 0) | |
6270 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
6271 | "interface %s from bridge %s: %s", | |
6272 | bss->ifname, bss->brname, strerror(errno)); | |
6273 | } | |
6274 | if (bss->added_bridge) { | |
6275 | if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) | |
6276 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
6277 | "bridge %s: %s", | |
6278 | bss->brname, strerror(errno)); | |
6279 | } | |
6280 | ||
6281 | if (bss != drv->first_bss) { | |
6282 | struct i802_bss *tbss; | |
6283 | ||
6284 | wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it"); | |
6285 | for (tbss = drv->first_bss; tbss; tbss = tbss->next) { | |
6286 | if (tbss->next == bss) { | |
6287 | tbss->next = bss->next; | |
6288 | /* Unsubscribe management frames */ | |
6289 | nl80211_teardown_ap(bss); | |
6290 | nl80211_destroy_bss(bss); | |
6291 | if (!bss->added_if) | |
6292 | i802_set_iface_flags(bss, 0); | |
6293 | os_free(bss); | |
6294 | bss = NULL; | |
6295 | break; | |
6296 | } | |
6297 | } | |
6298 | if (bss) | |
6299 | wpa_printf(MSG_INFO, "nl80211: %s - could not find " | |
6300 | "BSS %p in the list", __func__, bss); | |
6301 | } else { | |
6302 | wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context"); | |
6303 | nl80211_teardown_ap(bss); | |
6304 | if (!bss->added_if && !drv->first_bss->next) | |
6305 | wpa_driver_nl80211_del_beacon(drv); | |
6306 | nl80211_destroy_bss(bss); | |
6307 | if (!bss->added_if) | |
6308 | i802_set_iface_flags(bss, 0); | |
6309 | if (drv->first_bss->next) { | |
6310 | drv->first_bss = drv->first_bss->next; | |
6311 | drv->ctx = drv->first_bss->ctx; | |
6312 | os_free(bss); | |
6313 | } else { | |
6314 | wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to"); | |
6315 | } | |
6316 | } | |
6317 | ||
6318 | return 0; | |
6319 | } | |
6320 | ||
6321 | ||
6322 | static int cookie_handler(struct nl_msg *msg, void *arg) | |
6323 | { | |
6324 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
6325 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
6326 | u64 *cookie = arg; | |
6327 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
6328 | genlmsg_attrlen(gnlh, 0), NULL); | |
6329 | if (tb[NL80211_ATTR_COOKIE]) | |
6330 | *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]); | |
6331 | return NL_SKIP; | |
6332 | } | |
6333 | ||
6334 | ||
6335 | static int nl80211_send_frame_cmd(struct i802_bss *bss, | |
6336 | unsigned int freq, unsigned int wait, | |
6337 | const u8 *buf, size_t buf_len, | |
6338 | u64 *cookie_out, int no_cck, int no_ack, | |
6339 | int offchanok, const u16 *csa_offs, | |
6340 | size_t csa_offs_len) | |
6341 | { | |
6342 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6343 | struct nl_msg *msg; | |
6344 | u64 cookie; | |
6345 | int ret = -1; | |
6346 | ||
6347 | wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d " | |
6348 | "no_ack=%d offchanok=%d", | |
6349 | freq, wait, no_cck, no_ack, offchanok); | |
6350 | wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len); | |
6351 | ||
6352 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) || | |
6353 | (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
6354 | (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) || | |
6355 | (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) || | |
6356 | drv->test_use_roc_tx) && | |
6357 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) || | |
6358 | (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) || | |
6359 | (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) || | |
6360 | (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX, | |
6361 | csa_offs_len * sizeof(u16), csa_offs)) || | |
6362 | nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf)) | |
6363 | goto fail; | |
6364 | ||
6365 | cookie = 0; | |
6366 | ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); | |
6367 | msg = NULL; | |
6368 | if (ret) { | |
6369 | wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d " | |
6370 | "(%s) (freq=%u wait=%u)", ret, strerror(-ret), | |
6371 | freq, wait); | |
6372 | } else { | |
6373 | wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; " | |
6374 | "cookie 0x%llx", no_ack ? " (no ACK)" : "", | |
6375 | (long long unsigned int) cookie); | |
6376 | ||
6377 | if (cookie_out) | |
6378 | *cookie_out = no_ack ? (u64) -1 : cookie; | |
6379 | ||
6380 | if (drv->num_send_action_cookies == MAX_SEND_ACTION_COOKIES) { | |
6381 | wpa_printf(MSG_DEBUG, | |
6382 | "nl80211: Drop oldest pending send action cookie 0x%llx", | |
6383 | (long long unsigned int) | |
6384 | drv->send_action_cookies[0]); | |
6385 | os_memmove(&drv->send_action_cookies[0], | |
6386 | &drv->send_action_cookies[1], | |
6387 | (MAX_SEND_ACTION_COOKIES - 1) * | |
6388 | sizeof(u64)); | |
6389 | drv->num_send_action_cookies--; | |
6390 | } | |
6391 | drv->send_action_cookies[drv->num_send_action_cookies] = cookie; | |
6392 | drv->num_send_action_cookies++; | |
6393 | } | |
6394 | ||
6395 | fail: | |
6396 | nlmsg_free(msg); | |
6397 | return ret; | |
6398 | } | |
6399 | ||
6400 | ||
6401 | static int wpa_driver_nl80211_send_action(struct i802_bss *bss, | |
6402 | unsigned int freq, | |
6403 | unsigned int wait_time, | |
6404 | const u8 *dst, const u8 *src, | |
6405 | const u8 *bssid, | |
6406 | const u8 *data, size_t data_len, | |
6407 | int no_cck) | |
6408 | { | |
6409 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6410 | int ret = -1; | |
6411 | u8 *buf; | |
6412 | struct ieee80211_hdr *hdr; | |
6413 | ||
6414 | wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, " | |
6415 | "freq=%u MHz wait=%d ms no_cck=%d)", | |
6416 | drv->ifindex, freq, wait_time, no_cck); | |
6417 | ||
6418 | buf = os_zalloc(24 + data_len); | |
6419 | if (buf == NULL) | |
6420 | return ret; | |
6421 | os_memcpy(buf + 24, data, data_len); | |
6422 | hdr = (struct ieee80211_hdr *) buf; | |
6423 | hdr->frame_control = | |
6424 | IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION); | |
6425 | os_memcpy(hdr->addr1, dst, ETH_ALEN); | |
6426 | os_memcpy(hdr->addr2, src, ETH_ALEN); | |
6427 | os_memcpy(hdr->addr3, bssid, ETH_ALEN); | |
6428 | ||
6429 | if (is_ap_interface(drv->nlmode) && | |
6430 | (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) || | |
6431 | (int) freq == bss->freq || drv->device_ap_sme || | |
6432 | !drv->use_monitor)) | |
6433 | ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len, | |
6434 | 0, freq, no_cck, 1, | |
6435 | wait_time, NULL, 0); | |
6436 | else | |
6437 | ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf, | |
6438 | 24 + data_len, | |
6439 | &drv->send_action_cookie, | |
6440 | no_cck, 0, 1, NULL, 0); | |
6441 | ||
6442 | os_free(buf); | |
6443 | return ret; | |
6444 | } | |
6445 | ||
6446 | ||
6447 | static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie) | |
6448 | { | |
6449 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6450 | struct nl_msg *msg; | |
6451 | int ret; | |
6452 | ||
6453 | wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx", | |
6454 | (long long unsigned int) cookie); | |
6455 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) || | |
6456 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) { | |
6457 | nlmsg_free(msg); | |
6458 | return; | |
6459 | } | |
6460 | ||
6461 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6462 | if (ret) | |
6463 | wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d " | |
6464 | "(%s)", ret, strerror(-ret)); | |
6465 | } | |
6466 | ||
6467 | ||
6468 | static void wpa_driver_nl80211_send_action_cancel_wait(void *priv) | |
6469 | { | |
6470 | struct i802_bss *bss = priv; | |
6471 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6472 | unsigned int i; | |
6473 | u64 cookie; | |
6474 | ||
6475 | /* Cancel the last pending TX cookie */ | |
6476 | nl80211_frame_wait_cancel(bss, drv->send_action_cookie); | |
6477 | ||
6478 | /* | |
6479 | * Cancel the other pending TX cookies, if any. This is needed since | |
6480 | * the driver may keep a list of all pending offchannel TX operations | |
6481 | * and free up the radio only once they have expired or cancelled. | |
6482 | */ | |
6483 | for (i = drv->num_send_action_cookies; i > 0; i--) { | |
6484 | cookie = drv->send_action_cookies[i - 1]; | |
6485 | if (cookie != drv->send_action_cookie) | |
6486 | nl80211_frame_wait_cancel(bss, cookie); | |
6487 | } | |
6488 | drv->num_send_action_cookies = 0; | |
6489 | } | |
6490 | ||
6491 | ||
6492 | static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq, | |
6493 | unsigned int duration) | |
6494 | { | |
6495 | struct i802_bss *bss = priv; | |
6496 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6497 | struct nl_msg *msg; | |
6498 | int ret; | |
6499 | u64 cookie; | |
6500 | ||
6501 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) || | |
6502 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || | |
6503 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) { | |
6504 | nlmsg_free(msg); | |
6505 | return -1; | |
6506 | } | |
6507 | ||
6508 | cookie = 0; | |
6509 | ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); | |
6510 | if (ret == 0) { | |
6511 | wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie " | |
6512 | "0x%llx for freq=%u MHz duration=%u", | |
6513 | (long long unsigned int) cookie, freq, duration); | |
6514 | drv->remain_on_chan_cookie = cookie; | |
6515 | drv->pending_remain_on_chan = 1; | |
6516 | return 0; | |
6517 | } | |
6518 | wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel " | |
6519 | "(freq=%d duration=%u): %d (%s)", | |
6520 | freq, duration, ret, strerror(-ret)); | |
6521 | return -1; | |
6522 | } | |
6523 | ||
6524 | ||
6525 | static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv) | |
6526 | { | |
6527 | struct i802_bss *bss = priv; | |
6528 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6529 | struct nl_msg *msg; | |
6530 | int ret; | |
6531 | ||
6532 | if (!drv->pending_remain_on_chan) { | |
6533 | wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel " | |
6534 | "to cancel"); | |
6535 | return -1; | |
6536 | } | |
6537 | ||
6538 | wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie " | |
6539 | "0x%llx", | |
6540 | (long long unsigned int) drv->remain_on_chan_cookie); | |
6541 | ||
6542 | msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL); | |
6543 | if (!msg || | |
6544 | nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) { | |
6545 | nlmsg_free(msg); | |
6546 | return -1; | |
6547 | } | |
6548 | ||
6549 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6550 | if (ret == 0) | |
6551 | return 0; | |
6552 | wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: " | |
6553 | "%d (%s)", ret, strerror(-ret)); | |
6554 | return -1; | |
6555 | } | |
6556 | ||
6557 | ||
6558 | static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report) | |
6559 | { | |
6560 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6561 | ||
6562 | if (!report) { | |
6563 | if (bss->nl_preq && drv->device_ap_sme && | |
6564 | is_ap_interface(drv->nlmode) && !bss->in_deinit && | |
6565 | !bss->static_ap) { | |
6566 | /* | |
6567 | * Do not disable Probe Request reporting that was | |
6568 | * enabled in nl80211_setup_ap(). | |
6569 | */ | |
6570 | wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of " | |
6571 | "Probe Request reporting nl_preq=%p while " | |
6572 | "in AP mode", bss->nl_preq); | |
6573 | } else if (bss->nl_preq) { | |
6574 | wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request " | |
6575 | "reporting nl_preq=%p", bss->nl_preq); | |
6576 | nl80211_destroy_eloop_handle(&bss->nl_preq); | |
6577 | } | |
6578 | return 0; | |
6579 | } | |
6580 | ||
6581 | if (bss->nl_preq) { | |
6582 | wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting " | |
6583 | "already on! nl_preq=%p", bss->nl_preq); | |
6584 | return 0; | |
6585 | } | |
6586 | ||
6587 | bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq"); | |
6588 | if (bss->nl_preq == NULL) | |
6589 | return -1; | |
6590 | wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request " | |
6591 | "reporting nl_preq=%p", bss->nl_preq); | |
6592 | ||
6593 | if (nl80211_register_frame(bss, bss->nl_preq, | |
6594 | (WLAN_FC_TYPE_MGMT << 2) | | |
6595 | (WLAN_FC_STYPE_PROBE_REQ << 4), | |
6596 | NULL, 0) < 0) | |
6597 | goto out_err; | |
6598 | ||
6599 | nl80211_register_eloop_read(&bss->nl_preq, | |
6600 | wpa_driver_nl80211_event_receive, | |
6601 | bss->nl_cb); | |
6602 | ||
6603 | return 0; | |
6604 | ||
6605 | out_err: | |
6606 | nl_destroy_handles(&bss->nl_preq); | |
6607 | return -1; | |
6608 | } | |
6609 | ||
6610 | ||
6611 | static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, | |
6612 | int ifindex, int disabled) | |
6613 | { | |
6614 | struct nl_msg *msg; | |
6615 | struct nlattr *bands, *band; | |
6616 | int ret; | |
6617 | ||
6618 | wpa_printf(MSG_DEBUG, | |
6619 | "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)", | |
6620 | ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" : | |
6621 | "no NL80211_TXRATE_LEGACY constraint"); | |
6622 | ||
6623 | msg = nl80211_ifindex_msg(drv, ifindex, 0, | |
6624 | NL80211_CMD_SET_TX_BITRATE_MASK); | |
6625 | if (!msg) | |
6626 | return -1; | |
6627 | ||
6628 | bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES); | |
6629 | if (!bands) | |
6630 | goto fail; | |
6631 | ||
6632 | /* | |
6633 | * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything | |
6634 | * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS | |
6635 | * rates. All 5 GHz rates are left enabled. | |
6636 | */ | |
6637 | band = nla_nest_start(msg, NL80211_BAND_2GHZ); | |
6638 | if (!band || | |
6639 | (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8, | |
6640 | "\x0c\x12\x18\x24\x30\x48\x60\x6c"))) | |
6641 | goto fail; | |
6642 | nla_nest_end(msg, band); | |
6643 | ||
6644 | nla_nest_end(msg, bands); | |
6645 | ||
6646 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6647 | if (ret) { | |
6648 | wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d " | |
6649 | "(%s)", ret, strerror(-ret)); | |
6650 | } else | |
6651 | drv->disabled_11b_rates = disabled; | |
6652 | ||
6653 | return ret; | |
6654 | ||
6655 | fail: | |
6656 | nlmsg_free(msg); | |
6657 | return -1; | |
6658 | } | |
6659 | ||
6660 | ||
6661 | static int wpa_driver_nl80211_deinit_ap(void *priv) | |
6662 | { | |
6663 | struct i802_bss *bss = priv; | |
6664 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6665 | if (!is_ap_interface(drv->nlmode)) | |
6666 | return -1; | |
6667 | wpa_driver_nl80211_del_beacon(drv); | |
6668 | bss->beacon_set = 0; | |
6669 | ||
6670 | /* | |
6671 | * If the P2P GO interface was dynamically added, then it is | |
6672 | * possible that the interface change to station is not possible. | |
6673 | */ | |
6674 | if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic) | |
6675 | return 0; | |
6676 | ||
6677 | return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); | |
6678 | } | |
6679 | ||
6680 | ||
6681 | static int wpa_driver_nl80211_stop_ap(void *priv) | |
6682 | { | |
6683 | struct i802_bss *bss = priv; | |
6684 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6685 | if (!is_ap_interface(drv->nlmode)) | |
6686 | return -1; | |
6687 | wpa_driver_nl80211_del_beacon(drv); | |
6688 | bss->beacon_set = 0; | |
6689 | return 0; | |
6690 | } | |
6691 | ||
6692 | ||
6693 | static int wpa_driver_nl80211_deinit_p2p_cli(void *priv) | |
6694 | { | |
6695 | struct i802_bss *bss = priv; | |
6696 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6697 | if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT) | |
6698 | return -1; | |
6699 | ||
6700 | /* | |
6701 | * If the P2P Client interface was dynamically added, then it is | |
6702 | * possible that the interface change to station is not possible. | |
6703 | */ | |
6704 | if (bss->if_dynamic) | |
6705 | return 0; | |
6706 | ||
6707 | return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); | |
6708 | } | |
6709 | ||
6710 | ||
6711 | static void wpa_driver_nl80211_resume(void *priv) | |
6712 | { | |
6713 | struct i802_bss *bss = priv; | |
6714 | enum nl80211_iftype nlmode = nl80211_get_ifmode(bss); | |
6715 | ||
6716 | if (i802_set_iface_flags(bss, 1)) | |
6717 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event"); | |
6718 | ||
6719 | if (is_p2p_net_interface(nlmode)) | |
6720 | nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1); | |
6721 | } | |
6722 | ||
6723 | ||
6724 | static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis) | |
6725 | { | |
6726 | struct i802_bss *bss = priv; | |
6727 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6728 | struct nl_msg *msg; | |
6729 | struct nlattr *cqm; | |
6730 | ||
6731 | wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d " | |
6732 | "hysteresis=%d", threshold, hysteresis); | |
6733 | ||
6734 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) || | |
6735 | !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) || | |
6736 | nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) || | |
6737 | nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) { | |
6738 | nlmsg_free(msg); | |
6739 | return -1; | |
6740 | } | |
6741 | nla_nest_end(msg, cqm); | |
6742 | ||
6743 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
6744 | } | |
6745 | ||
6746 | ||
6747 | static int get_channel_width(struct nl_msg *msg, void *arg) | |
6748 | { | |
6749 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
6750 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
6751 | struct wpa_signal_info *sig_change = arg; | |
6752 | ||
6753 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
6754 | genlmsg_attrlen(gnlh, 0), NULL); | |
6755 | ||
6756 | sig_change->center_frq1 = -1; | |
6757 | sig_change->center_frq2 = -1; | |
6758 | sig_change->chanwidth = CHAN_WIDTH_UNKNOWN; | |
6759 | ||
6760 | if (tb[NL80211_ATTR_CHANNEL_WIDTH]) { | |
6761 | sig_change->chanwidth = convert2width( | |
6762 | nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH])); | |
6763 | if (tb[NL80211_ATTR_CENTER_FREQ1]) | |
6764 | sig_change->center_frq1 = | |
6765 | nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]); | |
6766 | if (tb[NL80211_ATTR_CENTER_FREQ2]) | |
6767 | sig_change->center_frq2 = | |
6768 | nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]); | |
6769 | } | |
6770 | ||
6771 | return NL_SKIP; | |
6772 | } | |
6773 | ||
6774 | ||
6775 | static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv, | |
6776 | struct wpa_signal_info *sig) | |
6777 | { | |
6778 | struct nl_msg *msg; | |
6779 | ||
6780 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE); | |
6781 | return send_and_recv_msgs(drv, msg, get_channel_width, sig); | |
6782 | } | |
6783 | ||
6784 | ||
6785 | static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si) | |
6786 | { | |
6787 | struct i802_bss *bss = priv; | |
6788 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6789 | int res; | |
6790 | ||
6791 | os_memset(si, 0, sizeof(*si)); | |
6792 | res = nl80211_get_link_signal(drv, si); | |
6793 | if (res) { | |
6794 | if (drv->nlmode != NL80211_IFTYPE_ADHOC && | |
6795 | drv->nlmode != NL80211_IFTYPE_MESH_POINT) | |
6796 | return res; | |
6797 | si->current_signal = 0; | |
6798 | } | |
6799 | ||
6800 | res = nl80211_get_channel_width(drv, si); | |
6801 | if (res != 0) | |
6802 | return res; | |
6803 | ||
6804 | return nl80211_get_link_noise(drv, si); | |
6805 | } | |
6806 | ||
6807 | ||
6808 | static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len, | |
6809 | int encrypt) | |
6810 | { | |
6811 | struct i802_bss *bss = priv; | |
6812 | return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0, | |
6813 | 0, 0, 0, 0, NULL, 0); | |
6814 | } | |
6815 | ||
6816 | ||
6817 | static int nl80211_set_param(void *priv, const char *param) | |
6818 | { | |
6819 | if (param == NULL) | |
6820 | return 0; | |
6821 | wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param); | |
6822 | ||
6823 | #ifdef CONFIG_P2P | |
6824 | if (os_strstr(param, "use_p2p_group_interface=1")) { | |
6825 | struct i802_bss *bss = priv; | |
6826 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6827 | ||
6828 | wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " | |
6829 | "interface"); | |
6830 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; | |
6831 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; | |
6832 | } | |
6833 | #endif /* CONFIG_P2P */ | |
6834 | ||
6835 | if (os_strstr(param, "use_monitor=1")) { | |
6836 | struct i802_bss *bss = priv; | |
6837 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6838 | drv->use_monitor = 1; | |
6839 | } | |
6840 | ||
6841 | if (os_strstr(param, "force_connect_cmd=1")) { | |
6842 | struct i802_bss *bss = priv; | |
6843 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6844 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME; | |
6845 | drv->force_connect_cmd = 1; | |
6846 | } | |
6847 | ||
6848 | if (os_strstr(param, "no_offchannel_tx=1")) { | |
6849 | struct i802_bss *bss = priv; | |
6850 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6851 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX; | |
6852 | drv->test_use_roc_tx = 1; | |
6853 | } | |
6854 | ||
6855 | return 0; | |
6856 | } | |
6857 | ||
6858 | ||
6859 | static void * nl80211_global_init(void) | |
6860 | { | |
6861 | struct nl80211_global *global; | |
6862 | struct netlink_config *cfg; | |
6863 | ||
6864 | global = os_zalloc(sizeof(*global)); | |
6865 | if (global == NULL) | |
6866 | return NULL; | |
6867 | global->ioctl_sock = -1; | |
6868 | dl_list_init(&global->interfaces); | |
6869 | global->if_add_ifindex = -1; | |
6870 | ||
6871 | cfg = os_zalloc(sizeof(*cfg)); | |
6872 | if (cfg == NULL) | |
6873 | goto err; | |
6874 | ||
6875 | cfg->ctx = global; | |
6876 | cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink; | |
6877 | cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink; | |
6878 | global->netlink = netlink_init(cfg); | |
6879 | if (global->netlink == NULL) { | |
6880 | os_free(cfg); | |
6881 | goto err; | |
6882 | } | |
6883 | ||
6884 | if (wpa_driver_nl80211_init_nl_global(global) < 0) | |
6885 | goto err; | |
6886 | ||
6887 | global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); | |
6888 | if (global->ioctl_sock < 0) { | |
6889 | wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s", | |
6890 | strerror(errno)); | |
6891 | goto err; | |
6892 | } | |
6893 | ||
6894 | return global; | |
6895 | ||
6896 | err: | |
6897 | nl80211_global_deinit(global); | |
6898 | return NULL; | |
6899 | } | |
6900 | ||
6901 | ||
6902 | static void nl80211_global_deinit(void *priv) | |
6903 | { | |
6904 | struct nl80211_global *global = priv; | |
6905 | if (global == NULL) | |
6906 | return; | |
6907 | if (!dl_list_empty(&global->interfaces)) { | |
6908 | wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at " | |
6909 | "nl80211_global_deinit", | |
6910 | dl_list_len(&global->interfaces)); | |
6911 | } | |
6912 | ||
6913 | if (global->netlink) | |
6914 | netlink_deinit(global->netlink); | |
6915 | ||
6916 | nl_destroy_handles(&global->nl); | |
6917 | ||
6918 | if (global->nl_event) | |
6919 | nl80211_destroy_eloop_handle(&global->nl_event); | |
6920 | ||
6921 | nl_cb_put(global->nl_cb); | |
6922 | ||
6923 | if (global->ioctl_sock >= 0) | |
6924 | close(global->ioctl_sock); | |
6925 | ||
6926 | os_free(global); | |
6927 | } | |
6928 | ||
6929 | ||
6930 | static const char * nl80211_get_radio_name(void *priv) | |
6931 | { | |
6932 | struct i802_bss *bss = priv; | |
6933 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6934 | return drv->phyname; | |
6935 | } | |
6936 | ||
6937 | ||
6938 | static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid, | |
6939 | const u8 *pmkid) | |
6940 | { | |
6941 | struct nl_msg *msg; | |
6942 | ||
6943 | if (!(msg = nl80211_bss_msg(bss, 0, cmd)) || | |
6944 | (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) || | |
6945 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) { | |
6946 | nlmsg_free(msg); | |
6947 | return -ENOBUFS; | |
6948 | } | |
6949 | ||
6950 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
6951 | } | |
6952 | ||
6953 | ||
6954 | static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) | |
6955 | { | |
6956 | struct i802_bss *bss = priv; | |
6957 | wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid)); | |
6958 | return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid); | |
6959 | } | |
6960 | ||
6961 | ||
6962 | static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) | |
6963 | { | |
6964 | struct i802_bss *bss = priv; | |
6965 | wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR, | |
6966 | MAC2STR(bssid)); | |
6967 | return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid); | |
6968 | } | |
6969 | ||
6970 | ||
6971 | static int nl80211_flush_pmkid(void *priv) | |
6972 | { | |
6973 | struct i802_bss *bss = priv; | |
6974 | wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs"); | |
6975 | return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL); | |
6976 | } | |
6977 | ||
6978 | ||
6979 | static void clean_survey_results(struct survey_results *survey_results) | |
6980 | { | |
6981 | struct freq_survey *survey, *tmp; | |
6982 | ||
6983 | if (dl_list_empty(&survey_results->survey_list)) | |
6984 | return; | |
6985 | ||
6986 | dl_list_for_each_safe(survey, tmp, &survey_results->survey_list, | |
6987 | struct freq_survey, list) { | |
6988 | dl_list_del(&survey->list); | |
6989 | os_free(survey); | |
6990 | } | |
6991 | } | |
6992 | ||
6993 | ||
6994 | static void add_survey(struct nlattr **sinfo, u32 ifidx, | |
6995 | struct dl_list *survey_list) | |
6996 | { | |
6997 | struct freq_survey *survey; | |
6998 | ||
6999 | survey = os_zalloc(sizeof(struct freq_survey)); | |
7000 | if (!survey) | |
7001 | return; | |
7002 | ||
7003 | survey->ifidx = ifidx; | |
7004 | survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]); | |
7005 | survey->filled = 0; | |
7006 | ||
7007 | if (sinfo[NL80211_SURVEY_INFO_NOISE]) { | |
7008 | survey->nf = (int8_t) | |
7009 | nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
7010 | survey->filled |= SURVEY_HAS_NF; | |
7011 | } | |
7012 | ||
7013 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) { | |
7014 | survey->channel_time = | |
7015 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]); | |
7016 | survey->filled |= SURVEY_HAS_CHAN_TIME; | |
7017 | } | |
7018 | ||
7019 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) { | |
7020 | survey->channel_time_busy = | |
7021 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]); | |
7022 | survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY; | |
7023 | } | |
7024 | ||
7025 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) { | |
7026 | survey->channel_time_rx = | |
7027 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]); | |
7028 | survey->filled |= SURVEY_HAS_CHAN_TIME_RX; | |
7029 | } | |
7030 | ||
7031 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) { | |
7032 | survey->channel_time_tx = | |
7033 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]); | |
7034 | survey->filled |= SURVEY_HAS_CHAN_TIME_TX; | |
7035 | } | |
7036 | ||
7037 | wpa_printf(MSG_DEBUG, "nl80211: Freq survey dump event (freq=%d MHz noise=%d channel_time=%ld busy_time=%ld tx_time=%ld rx_time=%ld filled=%04x)", | |
7038 | survey->freq, | |
7039 | survey->nf, | |
7040 | (unsigned long int) survey->channel_time, | |
7041 | (unsigned long int) survey->channel_time_busy, | |
7042 | (unsigned long int) survey->channel_time_tx, | |
7043 | (unsigned long int) survey->channel_time_rx, | |
7044 | survey->filled); | |
7045 | ||
7046 | dl_list_add_tail(survey_list, &survey->list); | |
7047 | } | |
7048 | ||
7049 | ||
7050 | static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq, | |
7051 | unsigned int freq_filter) | |
7052 | { | |
7053 | if (!freq_filter) | |
7054 | return 1; | |
7055 | ||
7056 | return freq_filter == surveyed_freq; | |
7057 | } | |
7058 | ||
7059 | ||
7060 | static int survey_handler(struct nl_msg *msg, void *arg) | |
7061 | { | |
7062 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
7063 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
7064 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
7065 | struct survey_results *survey_results; | |
7066 | u32 surveyed_freq = 0; | |
7067 | u32 ifidx; | |
7068 | ||
7069 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
7070 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
7071 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
7072 | }; | |
7073 | ||
7074 | survey_results = (struct survey_results *) arg; | |
7075 | ||
7076 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
7077 | genlmsg_attrlen(gnlh, 0), NULL); | |
7078 | ||
7079 | if (!tb[NL80211_ATTR_IFINDEX]) | |
7080 | return NL_SKIP; | |
7081 | ||
7082 | ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
7083 | ||
7084 | if (!tb[NL80211_ATTR_SURVEY_INFO]) | |
7085 | return NL_SKIP; | |
7086 | ||
7087 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
7088 | tb[NL80211_ATTR_SURVEY_INFO], | |
7089 | survey_policy)) | |
7090 | return NL_SKIP; | |
7091 | ||
7092 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) { | |
7093 | wpa_printf(MSG_ERROR, "nl80211: Invalid survey data"); | |
7094 | return NL_SKIP; | |
7095 | } | |
7096 | ||
7097 | surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]); | |
7098 | ||
7099 | if (!check_survey_ok(sinfo, surveyed_freq, | |
7100 | survey_results->freq_filter)) | |
7101 | return NL_SKIP; | |
7102 | ||
7103 | if (survey_results->freq_filter && | |
7104 | survey_results->freq_filter != surveyed_freq) { | |
7105 | wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz", | |
7106 | surveyed_freq); | |
7107 | return NL_SKIP; | |
7108 | } | |
7109 | ||
7110 | add_survey(sinfo, ifidx, &survey_results->survey_list); | |
7111 | ||
7112 | return NL_SKIP; | |
7113 | } | |
7114 | ||
7115 | ||
7116 | static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq) | |
7117 | { | |
7118 | struct i802_bss *bss = priv; | |
7119 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7120 | struct nl_msg *msg; | |
7121 | int err; | |
7122 | union wpa_event_data data; | |
7123 | struct survey_results *survey_results; | |
7124 | ||
7125 | os_memset(&data, 0, sizeof(data)); | |
7126 | survey_results = &data.survey_results; | |
7127 | ||
7128 | dl_list_init(&survey_results->survey_list); | |
7129 | ||
7130 | msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); | |
7131 | if (!msg) | |
7132 | return -ENOBUFS; | |
7133 | ||
7134 | if (freq) | |
7135 | data.survey_results.freq_filter = freq; | |
7136 | ||
7137 | do { | |
7138 | wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data"); | |
7139 | err = send_and_recv_msgs(drv, msg, survey_handler, | |
7140 | survey_results); | |
7141 | } while (err > 0); | |
7142 | ||
7143 | if (err) | |
7144 | wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data"); | |
7145 | else | |
7146 | wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data); | |
7147 | ||
7148 | clean_survey_results(survey_results); | |
7149 | return err; | |
7150 | } | |
7151 | ||
7152 | ||
7153 | static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len, | |
7154 | const u8 *kck, size_t kck_len, | |
7155 | const u8 *replay_ctr) | |
7156 | { | |
7157 | struct i802_bss *bss = priv; | |
7158 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7159 | struct nlattr *replay_nested; | |
7160 | struct nl_msg *msg; | |
7161 | int ret; | |
7162 | ||
7163 | if (!drv->set_rekey_offload) | |
7164 | return; | |
7165 | ||
7166 | wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload"); | |
7167 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) || | |
7168 | !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) || | |
7169 | nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) || | |
7170 | nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck) || | |
7171 | nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN, | |
7172 | replay_ctr)) { | |
7173 | nl80211_nlmsg_clear(msg); | |
7174 | nlmsg_free(msg); | |
7175 | return; | |
7176 | } | |
7177 | ||
7178 | nla_nest_end(msg, replay_nested); | |
7179 | ||
7180 | ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1); | |
7181 | if (ret == -EOPNOTSUPP) { | |
7182 | wpa_printf(MSG_DEBUG, | |
7183 | "nl80211: Driver does not support rekey offload"); | |
7184 | drv->set_rekey_offload = 0; | |
7185 | } | |
7186 | } | |
7187 | ||
7188 | ||
7189 | static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr, | |
7190 | const u8 *addr, int qos) | |
7191 | { | |
7192 | /* send data frame to poll STA and check whether | |
7193 | * this frame is ACKed */ | |
7194 | struct { | |
7195 | struct ieee80211_hdr hdr; | |
7196 | u16 qos_ctl; | |
7197 | } STRUCT_PACKED nulldata; | |
7198 | size_t size; | |
7199 | ||
7200 | /* Send data frame to poll STA and check whether this frame is ACKed */ | |
7201 | ||
7202 | os_memset(&nulldata, 0, sizeof(nulldata)); | |
7203 | ||
7204 | if (qos) { | |
7205 | nulldata.hdr.frame_control = | |
7206 | IEEE80211_FC(WLAN_FC_TYPE_DATA, | |
7207 | WLAN_FC_STYPE_QOS_NULL); | |
7208 | size = sizeof(nulldata); | |
7209 | } else { | |
7210 | nulldata.hdr.frame_control = | |
7211 | IEEE80211_FC(WLAN_FC_TYPE_DATA, | |
7212 | WLAN_FC_STYPE_NULLFUNC); | |
7213 | size = sizeof(struct ieee80211_hdr); | |
7214 | } | |
7215 | ||
7216 | nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS); | |
7217 | os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN); | |
7218 | os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); | |
7219 | os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); | |
7220 | ||
7221 | if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0, | |
7222 | 0, 0, NULL, 0) < 0) | |
7223 | wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to " | |
7224 | "send poll frame"); | |
7225 | } | |
7226 | ||
7227 | static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr, | |
7228 | int qos) | |
7229 | { | |
7230 | struct i802_bss *bss = priv; | |
7231 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7232 | struct nl_msg *msg; | |
7233 | int ret; | |
7234 | ||
7235 | if (!drv->poll_command_supported) { | |
7236 | nl80211_send_null_frame(bss, own_addr, addr, qos); | |
7237 | return; | |
7238 | } | |
7239 | ||
7240 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) || | |
7241 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) { | |
7242 | nlmsg_free(msg); | |
7243 | return; | |
7244 | } | |
7245 | ||
7246 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7247 | if (ret < 0) { | |
7248 | wpa_printf(MSG_DEBUG, "nl80211: Client probe request for " | |
7249 | MACSTR " failed: ret=%d (%s)", | |
7250 | MAC2STR(addr), ret, strerror(-ret)); | |
7251 | } | |
7252 | } | |
7253 | ||
7254 | ||
7255 | static int nl80211_set_power_save(struct i802_bss *bss, int enabled) | |
7256 | { | |
7257 | struct nl_msg *msg; | |
7258 | ||
7259 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) || | |
7260 | nla_put_u32(msg, NL80211_ATTR_PS_STATE, | |
7261 | enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) { | |
7262 | nlmsg_free(msg); | |
7263 | return -ENOBUFS; | |
7264 | } | |
7265 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
7266 | } | |
7267 | ||
7268 | ||
7269 | static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps, | |
7270 | int ctwindow) | |
7271 | { | |
7272 | struct i802_bss *bss = priv; | |
7273 | ||
7274 | wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d " | |
7275 | "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow); | |
7276 | ||
7277 | if (opp_ps != -1 || ctwindow != -1) { | |
7278 | #ifdef ANDROID_P2P | |
7279 | wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow); | |
7280 | #else /* ANDROID_P2P */ | |
7281 | return -1; /* Not yet supported */ | |
7282 | #endif /* ANDROID_P2P */ | |
7283 | } | |
7284 | ||
7285 | if (legacy_ps == -1) | |
7286 | return 0; | |
7287 | if (legacy_ps != 0 && legacy_ps != 1) | |
7288 | return -1; /* Not yet supported */ | |
7289 | ||
7290 | return nl80211_set_power_save(bss, legacy_ps); | |
7291 | } | |
7292 | ||
7293 | ||
7294 | static int nl80211_start_radar_detection(void *priv, | |
7295 | struct hostapd_freq_params *freq) | |
7296 | { | |
7297 | struct i802_bss *bss = priv; | |
7298 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7299 | struct nl_msg *msg; | |
7300 | int ret; | |
7301 | ||
7302 | wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)", | |
7303 | freq->freq, freq->ht_enabled, freq->vht_enabled, | |
7304 | freq->bandwidth, freq->center_freq1, freq->center_freq2); | |
7305 | ||
7306 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) { | |
7307 | wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar " | |
7308 | "detection"); | |
7309 | return -1; | |
7310 | } | |
7311 | ||
7312 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) || | |
7313 | nl80211_put_freq_params(msg, freq) < 0) { | |
7314 | nlmsg_free(msg); | |
7315 | return -1; | |
7316 | } | |
7317 | ||
7318 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7319 | if (ret == 0) | |
7320 | return 0; | |
7321 | wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: " | |
7322 | "%d (%s)", ret, strerror(-ret)); | |
7323 | return -1; | |
7324 | } | |
7325 | ||
7326 | #ifdef CONFIG_TDLS | |
7327 | ||
7328 | static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code, | |
7329 | u8 dialog_token, u16 status_code, | |
7330 | u32 peer_capab, int initiator, const u8 *buf, | |
7331 | size_t len) | |
7332 | { | |
7333 | struct i802_bss *bss = priv; | |
7334 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7335 | struct nl_msg *msg; | |
7336 | ||
7337 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
7338 | return -EOPNOTSUPP; | |
7339 | ||
7340 | if (!dst) | |
7341 | return -EINVAL; | |
7342 | ||
7343 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) || | |
7344 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
7345 | nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) || | |
7346 | nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) || | |
7347 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code)) | |
7348 | goto fail; | |
7349 | if (peer_capab) { | |
7350 | /* | |
7351 | * The internal enum tdls_peer_capability definition is | |
7352 | * currently identical with the nl80211 enum | |
7353 | * nl80211_tdls_peer_capability, so no conversion is needed | |
7354 | * here. | |
7355 | */ | |
7356 | if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY, | |
7357 | peer_capab)) | |
7358 | goto fail; | |
7359 | } | |
7360 | if ((initiator && | |
7361 | nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) || | |
7362 | nla_put(msg, NL80211_ATTR_IE, len, buf)) | |
7363 | goto fail; | |
7364 | ||
7365 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
7366 | ||
7367 | fail: | |
7368 | nlmsg_free(msg); | |
7369 | return -ENOBUFS; | |
7370 | } | |
7371 | ||
7372 | ||
7373 | static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer) | |
7374 | { | |
7375 | struct i802_bss *bss = priv; | |
7376 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7377 | struct nl_msg *msg; | |
7378 | enum nl80211_tdls_operation nl80211_oper; | |
7379 | ||
7380 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
7381 | return -EOPNOTSUPP; | |
7382 | ||
7383 | switch (oper) { | |
7384 | case TDLS_DISCOVERY_REQ: | |
7385 | nl80211_oper = NL80211_TDLS_DISCOVERY_REQ; | |
7386 | break; | |
7387 | case TDLS_SETUP: | |
7388 | nl80211_oper = NL80211_TDLS_SETUP; | |
7389 | break; | |
7390 | case TDLS_TEARDOWN: | |
7391 | nl80211_oper = NL80211_TDLS_TEARDOWN; | |
7392 | break; | |
7393 | case TDLS_ENABLE_LINK: | |
7394 | nl80211_oper = NL80211_TDLS_ENABLE_LINK; | |
7395 | break; | |
7396 | case TDLS_DISABLE_LINK: | |
7397 | nl80211_oper = NL80211_TDLS_DISABLE_LINK; | |
7398 | break; | |
7399 | case TDLS_ENABLE: | |
7400 | return 0; | |
7401 | case TDLS_DISABLE: | |
7402 | return 0; | |
7403 | default: | |
7404 | return -EINVAL; | |
7405 | } | |
7406 | ||
7407 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) || | |
7408 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) || | |
7409 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) { | |
7410 | nlmsg_free(msg); | |
7411 | return -ENOBUFS; | |
7412 | } | |
7413 | ||
7414 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
7415 | } | |
7416 | ||
7417 | ||
7418 | static int | |
7419 | nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class, | |
7420 | const struct hostapd_freq_params *params) | |
7421 | { | |
7422 | struct i802_bss *bss = priv; | |
7423 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7424 | struct nl_msg *msg; | |
7425 | int ret = -ENOBUFS; | |
7426 | ||
7427 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) || | |
7428 | !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)) | |
7429 | return -EOPNOTSUPP; | |
7430 | ||
7431 | wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR | |
7432 | " oper_class=%u freq=%u", | |
7433 | MAC2STR(addr), oper_class, params->freq); | |
7434 | msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH); | |
7435 | if (!msg || | |
7436 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
7437 | nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) || | |
7438 | (ret = nl80211_put_freq_params(msg, params))) { | |
7439 | nlmsg_free(msg); | |
7440 | wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch"); | |
7441 | return ret; | |
7442 | } | |
7443 | ||
7444 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
7445 | } | |
7446 | ||
7447 | ||
7448 | static int | |
7449 | nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr) | |
7450 | { | |
7451 | struct i802_bss *bss = priv; | |
7452 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7453 | struct nl_msg *msg; | |
7454 | ||
7455 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) || | |
7456 | !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)) | |
7457 | return -EOPNOTSUPP; | |
7458 | ||
7459 | wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR, | |
7460 | MAC2STR(addr)); | |
7461 | msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH); | |
7462 | if (!msg || | |
7463 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) { | |
7464 | nlmsg_free(msg); | |
7465 | wpa_printf(MSG_DEBUG, | |
7466 | "nl80211: Could not build TDLS cancel chan switch"); | |
7467 | return -ENOBUFS; | |
7468 | } | |
7469 | ||
7470 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
7471 | } | |
7472 | ||
7473 | #endif /* CONFIG TDLS */ | |
7474 | ||
7475 | ||
7476 | static int driver_nl80211_set_key(const char *ifname, void *priv, | |
7477 | enum wpa_alg alg, const u8 *addr, | |
7478 | int key_idx, int set_tx, | |
7479 | const u8 *seq, size_t seq_len, | |
7480 | const u8 *key, size_t key_len) | |
7481 | { | |
7482 | struct i802_bss *bss = priv; | |
7483 | return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx, | |
7484 | set_tx, seq, seq_len, key, key_len); | |
7485 | } | |
7486 | ||
7487 | ||
7488 | static int driver_nl80211_scan2(void *priv, | |
7489 | struct wpa_driver_scan_params *params) | |
7490 | { | |
7491 | struct i802_bss *bss = priv; | |
7492 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
7493 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7494 | ||
7495 | /* | |
7496 | * Do a vendor specific scan if possible. If only_new_results is | |
7497 | * set, do a normal scan since a kernel (cfg80211) BSS cache flush | |
7498 | * cannot be achieved through a vendor scan. The below condition may | |
7499 | * need to be modified if new scan flags are added in the future whose | |
7500 | * functionality can only be achieved through a normal scan. | |
7501 | */ | |
7502 | if (drv->scan_vendor_cmd_avail && !params->only_new_results) | |
7503 | return wpa_driver_nl80211_vendor_scan(bss, params); | |
7504 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
7505 | return wpa_driver_nl80211_scan(bss, params); | |
7506 | } | |
7507 | ||
7508 | ||
7509 | static int driver_nl80211_deauthenticate(void *priv, const u8 *addr, | |
7510 | int reason_code) | |
7511 | { | |
7512 | struct i802_bss *bss = priv; | |
7513 | return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code); | |
7514 | } | |
7515 | ||
7516 | ||
7517 | static int driver_nl80211_authenticate(void *priv, | |
7518 | struct wpa_driver_auth_params *params) | |
7519 | { | |
7520 | struct i802_bss *bss = priv; | |
7521 | return wpa_driver_nl80211_authenticate(bss, params); | |
7522 | } | |
7523 | ||
7524 | ||
7525 | static void driver_nl80211_deinit(void *priv) | |
7526 | { | |
7527 | struct i802_bss *bss = priv; | |
7528 | wpa_driver_nl80211_deinit(bss); | |
7529 | } | |
7530 | ||
7531 | ||
7532 | static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type, | |
7533 | const char *ifname) | |
7534 | { | |
7535 | struct i802_bss *bss = priv; | |
7536 | return wpa_driver_nl80211_if_remove(bss, type, ifname); | |
7537 | } | |
7538 | ||
7539 | ||
7540 | static int driver_nl80211_send_mlme(void *priv, const u8 *data, | |
7541 | size_t data_len, int noack, | |
7542 | unsigned int freq, | |
7543 | const u16 *csa_offs, size_t csa_offs_len) | |
7544 | { | |
7545 | struct i802_bss *bss = priv; | |
7546 | return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack, | |
7547 | freq, 0, 0, 0, csa_offs, | |
7548 | csa_offs_len); | |
7549 | } | |
7550 | ||
7551 | ||
7552 | static int driver_nl80211_sta_remove(void *priv, const u8 *addr) | |
7553 | { | |
7554 | struct i802_bss *bss = priv; | |
7555 | return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0); | |
7556 | } | |
7557 | ||
7558 | ||
7559 | static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr, | |
7560 | const char *ifname, int vlan_id) | |
7561 | { | |
7562 | struct i802_bss *bss = priv; | |
7563 | return i802_set_sta_vlan(bss, addr, ifname, vlan_id); | |
7564 | } | |
7565 | ||
7566 | ||
7567 | static int driver_nl80211_read_sta_data(void *priv, | |
7568 | struct hostap_sta_driver_data *data, | |
7569 | const u8 *addr) | |
7570 | { | |
7571 | struct i802_bss *bss = priv; | |
7572 | return i802_read_sta_data(bss, data, addr); | |
7573 | } | |
7574 | ||
7575 | ||
7576 | static int driver_nl80211_send_action(void *priv, unsigned int freq, | |
7577 | unsigned int wait_time, | |
7578 | const u8 *dst, const u8 *src, | |
7579 | const u8 *bssid, | |
7580 | const u8 *data, size_t data_len, | |
7581 | int no_cck) | |
7582 | { | |
7583 | struct i802_bss *bss = priv; | |
7584 | return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src, | |
7585 | bssid, data, data_len, no_cck); | |
7586 | } | |
7587 | ||
7588 | ||
7589 | static int driver_nl80211_probe_req_report(void *priv, int report) | |
7590 | { | |
7591 | struct i802_bss *bss = priv; | |
7592 | return wpa_driver_nl80211_probe_req_report(bss, report); | |
7593 | } | |
7594 | ||
7595 | ||
7596 | static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md, | |
7597 | const u8 *ies, size_t ies_len) | |
7598 | { | |
7599 | int ret; | |
7600 | struct nl_msg *msg; | |
7601 | struct i802_bss *bss = priv; | |
7602 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7603 | u16 mdid = WPA_GET_LE16(md); | |
7604 | ||
7605 | wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs"); | |
7606 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) || | |
7607 | nla_put(msg, NL80211_ATTR_IE, ies_len, ies) || | |
7608 | nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) { | |
7609 | nlmsg_free(msg); | |
7610 | return -ENOBUFS; | |
7611 | } | |
7612 | ||
7613 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7614 | if (ret) { | |
7615 | wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed " | |
7616 | "err=%d (%s)", ret, strerror(-ret)); | |
7617 | } | |
7618 | ||
7619 | return ret; | |
7620 | } | |
7621 | ||
7622 | ||
7623 | const u8 * wpa_driver_nl80211_get_macaddr(void *priv) | |
7624 | { | |
7625 | struct i802_bss *bss = priv; | |
7626 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7627 | ||
7628 | if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) | |
7629 | return NULL; | |
7630 | ||
7631 | return bss->addr; | |
7632 | } | |
7633 | ||
7634 | ||
7635 | static const char * scan_state_str(enum scan_states scan_state) | |
7636 | { | |
7637 | switch (scan_state) { | |
7638 | case NO_SCAN: | |
7639 | return "NO_SCAN"; | |
7640 | case SCAN_REQUESTED: | |
7641 | return "SCAN_REQUESTED"; | |
7642 | case SCAN_STARTED: | |
7643 | return "SCAN_STARTED"; | |
7644 | case SCAN_COMPLETED: | |
7645 | return "SCAN_COMPLETED"; | |
7646 | case SCAN_ABORTED: | |
7647 | return "SCAN_ABORTED"; | |
7648 | case SCHED_SCAN_STARTED: | |
7649 | return "SCHED_SCAN_STARTED"; | |
7650 | case SCHED_SCAN_STOPPED: | |
7651 | return "SCHED_SCAN_STOPPED"; | |
7652 | case SCHED_SCAN_RESULTS: | |
7653 | return "SCHED_SCAN_RESULTS"; | |
7654 | } | |
7655 | ||
7656 | return "??"; | |
7657 | } | |
7658 | ||
7659 | ||
7660 | static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen) | |
7661 | { | |
7662 | struct i802_bss *bss = priv; | |
7663 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7664 | int res; | |
7665 | char *pos, *end; | |
7666 | ||
7667 | pos = buf; | |
7668 | end = buf + buflen; | |
7669 | ||
7670 | res = os_snprintf(pos, end - pos, | |
7671 | "ifindex=%d\n" | |
7672 | "ifname=%s\n" | |
7673 | "brname=%s\n" | |
7674 | "addr=" MACSTR "\n" | |
7675 | "freq=%d\n" | |
7676 | "%s%s%s%s%s", | |
7677 | bss->ifindex, | |
7678 | bss->ifname, | |
7679 | bss->brname, | |
7680 | MAC2STR(bss->addr), | |
7681 | bss->freq, | |
7682 | bss->beacon_set ? "beacon_set=1\n" : "", | |
7683 | bss->added_if_into_bridge ? | |
7684 | "added_if_into_bridge=1\n" : "", | |
7685 | bss->added_bridge ? "added_bridge=1\n" : "", | |
7686 | bss->in_deinit ? "in_deinit=1\n" : "", | |
7687 | bss->if_dynamic ? "if_dynamic=1\n" : ""); | |
7688 | if (os_snprintf_error(end - pos, res)) | |
7689 | return pos - buf; | |
7690 | pos += res; | |
7691 | ||
7692 | if (bss->wdev_id_set) { | |
7693 | res = os_snprintf(pos, end - pos, "wdev_id=%llu\n", | |
7694 | (unsigned long long) bss->wdev_id); | |
7695 | if (os_snprintf_error(end - pos, res)) | |
7696 | return pos - buf; | |
7697 | pos += res; | |
7698 | } | |
7699 | ||
7700 | res = os_snprintf(pos, end - pos, | |
7701 | "phyname=%s\n" | |
7702 | "perm_addr=" MACSTR "\n" | |
7703 | "drv_ifindex=%d\n" | |
7704 | "operstate=%d\n" | |
7705 | "scan_state=%s\n" | |
7706 | "auth_bssid=" MACSTR "\n" | |
7707 | "auth_attempt_bssid=" MACSTR "\n" | |
7708 | "bssid=" MACSTR "\n" | |
7709 | "prev_bssid=" MACSTR "\n" | |
7710 | "associated=%d\n" | |
7711 | "assoc_freq=%u\n" | |
7712 | "monitor_sock=%d\n" | |
7713 | "monitor_ifidx=%d\n" | |
7714 | "monitor_refcount=%d\n" | |
7715 | "last_mgmt_freq=%u\n" | |
7716 | "eapol_tx_sock=%d\n" | |
7717 | "%s%s%s%s%s%s%s%s%s%s%s%s%s", | |
7718 | drv->phyname, | |
7719 | MAC2STR(drv->perm_addr), | |
7720 | drv->ifindex, | |
7721 | drv->operstate, | |
7722 | scan_state_str(drv->scan_state), | |
7723 | MAC2STR(drv->auth_bssid), | |
7724 | MAC2STR(drv->auth_attempt_bssid), | |
7725 | MAC2STR(drv->bssid), | |
7726 | MAC2STR(drv->prev_bssid), | |
7727 | drv->associated, | |
7728 | drv->assoc_freq, | |
7729 | drv->monitor_sock, | |
7730 | drv->monitor_ifidx, | |
7731 | drv->monitor_refcount, | |
7732 | drv->last_mgmt_freq, | |
7733 | drv->eapol_tx_sock, | |
7734 | drv->ignore_if_down_event ? | |
7735 | "ignore_if_down_event=1\n" : "", | |
7736 | drv->scan_complete_events ? | |
7737 | "scan_complete_events=1\n" : "", | |
7738 | drv->disabled_11b_rates ? | |
7739 | "disabled_11b_rates=1\n" : "", | |
7740 | drv->pending_remain_on_chan ? | |
7741 | "pending_remain_on_chan=1\n" : "", | |
7742 | drv->in_interface_list ? "in_interface_list=1\n" : "", | |
7743 | drv->device_ap_sme ? "device_ap_sme=1\n" : "", | |
7744 | drv->poll_command_supported ? | |
7745 | "poll_command_supported=1\n" : "", | |
7746 | drv->data_tx_status ? "data_tx_status=1\n" : "", | |
7747 | drv->scan_for_auth ? "scan_for_auth=1\n" : "", | |
7748 | drv->retry_auth ? "retry_auth=1\n" : "", | |
7749 | drv->use_monitor ? "use_monitor=1\n" : "", | |
7750 | drv->ignore_next_local_disconnect ? | |
7751 | "ignore_next_local_disconnect=1\n" : "", | |
7752 | drv->ignore_next_local_deauth ? | |
7753 | "ignore_next_local_deauth=1\n" : ""); | |
7754 | if (os_snprintf_error(end - pos, res)) | |
7755 | return pos - buf; | |
7756 | pos += res; | |
7757 | ||
7758 | if (drv->has_capability) { | |
7759 | res = os_snprintf(pos, end - pos, | |
7760 | "capa.key_mgmt=0x%x\n" | |
7761 | "capa.enc=0x%x\n" | |
7762 | "capa.auth=0x%x\n" | |
7763 | "capa.flags=0x%llx\n" | |
7764 | "capa.rrm_flags=0x%x\n" | |
7765 | "capa.max_scan_ssids=%d\n" | |
7766 | "capa.max_sched_scan_ssids=%d\n" | |
7767 | "capa.sched_scan_supported=%d\n" | |
7768 | "capa.max_match_sets=%d\n" | |
7769 | "capa.max_remain_on_chan=%u\n" | |
7770 | "capa.max_stations=%u\n" | |
7771 | "capa.probe_resp_offloads=0x%x\n" | |
7772 | "capa.max_acl_mac_addrs=%u\n" | |
7773 | "capa.num_multichan_concurrent=%u\n" | |
7774 | "capa.mac_addr_rand_sched_scan_supported=%d\n" | |
7775 | "capa.mac_addr_rand_scan_supported=%d\n" | |
7776 | "capa.conc_capab=%u\n" | |
7777 | "capa.max_conc_chan_2_4=%u\n" | |
7778 | "capa.max_conc_chan_5_0=%u\n" | |
7779 | "capa.max_sched_scan_plans=%u\n" | |
7780 | "capa.max_sched_scan_plan_interval=%u\n" | |
7781 | "capa.max_sched_scan_plan_iterations=%u\n", | |
7782 | drv->capa.key_mgmt, | |
7783 | drv->capa.enc, | |
7784 | drv->capa.auth, | |
7785 | (unsigned long long) drv->capa.flags, | |
7786 | drv->capa.rrm_flags, | |
7787 | drv->capa.max_scan_ssids, | |
7788 | drv->capa.max_sched_scan_ssids, | |
7789 | drv->capa.sched_scan_supported, | |
7790 | drv->capa.max_match_sets, | |
7791 | drv->capa.max_remain_on_chan, | |
7792 | drv->capa.max_stations, | |
7793 | drv->capa.probe_resp_offloads, | |
7794 | drv->capa.max_acl_mac_addrs, | |
7795 | drv->capa.num_multichan_concurrent, | |
7796 | drv->capa.mac_addr_rand_sched_scan_supported, | |
7797 | drv->capa.mac_addr_rand_scan_supported, | |
7798 | drv->capa.conc_capab, | |
7799 | drv->capa.max_conc_chan_2_4, | |
7800 | drv->capa.max_conc_chan_5_0, | |
7801 | drv->capa.max_sched_scan_plans, | |
7802 | drv->capa.max_sched_scan_plan_interval, | |
7803 | drv->capa.max_sched_scan_plan_iterations); | |
7804 | if (os_snprintf_error(end - pos, res)) | |
7805 | return pos - buf; | |
7806 | pos += res; | |
7807 | } | |
7808 | ||
7809 | return pos - buf; | |
7810 | } | |
7811 | ||
7812 | ||
7813 | static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings) | |
7814 | { | |
7815 | if ((settings->head && | |
7816 | nla_put(msg, NL80211_ATTR_BEACON_HEAD, | |
7817 | settings->head_len, settings->head)) || | |
7818 | (settings->tail && | |
7819 | nla_put(msg, NL80211_ATTR_BEACON_TAIL, | |
7820 | settings->tail_len, settings->tail)) || | |
7821 | (settings->beacon_ies && | |
7822 | nla_put(msg, NL80211_ATTR_IE, | |
7823 | settings->beacon_ies_len, settings->beacon_ies)) || | |
7824 | (settings->proberesp_ies && | |
7825 | nla_put(msg, NL80211_ATTR_IE_PROBE_RESP, | |
7826 | settings->proberesp_ies_len, settings->proberesp_ies)) || | |
7827 | (settings->assocresp_ies && | |
7828 | nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP, | |
7829 | settings->assocresp_ies_len, settings->assocresp_ies)) || | |
7830 | (settings->probe_resp && | |
7831 | nla_put(msg, NL80211_ATTR_PROBE_RESP, | |
7832 | settings->probe_resp_len, settings->probe_resp))) | |
7833 | return -ENOBUFS; | |
7834 | ||
7835 | return 0; | |
7836 | } | |
7837 | ||
7838 | ||
7839 | static int nl80211_switch_channel(void *priv, struct csa_settings *settings) | |
7840 | { | |
7841 | struct nl_msg *msg; | |
7842 | struct i802_bss *bss = priv; | |
7843 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7844 | struct nlattr *beacon_csa; | |
7845 | int ret = -ENOBUFS; | |
7846 | int csa_off_len = 0; | |
7847 | int i; | |
7848 | ||
7849 | wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)", | |
7850 | settings->cs_count, settings->block_tx, | |
7851 | settings->freq_params.freq, settings->freq_params.bandwidth, | |
7852 | settings->freq_params.center_freq1, | |
7853 | settings->freq_params.center_freq2); | |
7854 | ||
7855 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) { | |
7856 | wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command"); | |
7857 | return -EOPNOTSUPP; | |
7858 | } | |
7859 | ||
7860 | if ((drv->nlmode != NL80211_IFTYPE_AP) && | |
7861 | (drv->nlmode != NL80211_IFTYPE_P2P_GO)) | |
7862 | return -EOPNOTSUPP; | |
7863 | ||
7864 | /* | |
7865 | * Remove empty counters, assuming Probe Response and Beacon frame | |
7866 | * counters match. This implementation assumes that there are only two | |
7867 | * counters. | |
7868 | */ | |
7869 | if (settings->counter_offset_beacon[0] && | |
7870 | !settings->counter_offset_beacon[1]) { | |
7871 | csa_off_len = 1; | |
7872 | } else if (settings->counter_offset_beacon[1] && | |
7873 | !settings->counter_offset_beacon[0]) { | |
7874 | csa_off_len = 1; | |
7875 | settings->counter_offset_beacon[0] = | |
7876 | settings->counter_offset_beacon[1]; | |
7877 | settings->counter_offset_presp[0] = | |
7878 | settings->counter_offset_presp[1]; | |
7879 | } else if (settings->counter_offset_beacon[1] && | |
7880 | settings->counter_offset_beacon[0]) { | |
7881 | csa_off_len = 2; | |
7882 | } else { | |
7883 | wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided"); | |
7884 | return -EINVAL; | |
7885 | } | |
7886 | ||
7887 | /* Check CSA counters validity */ | |
7888 | if (drv->capa.max_csa_counters && | |
7889 | csa_off_len > drv->capa.max_csa_counters) { | |
7890 | wpa_printf(MSG_ERROR, | |
7891 | "nl80211: Too many CSA counters provided"); | |
7892 | return -EINVAL; | |
7893 | } | |
7894 | ||
7895 | if (!settings->beacon_csa.tail) | |
7896 | return -EINVAL; | |
7897 | ||
7898 | for (i = 0; i < csa_off_len; i++) { | |
7899 | u16 csa_c_off_bcn = settings->counter_offset_beacon[i]; | |
7900 | u16 csa_c_off_presp = settings->counter_offset_presp[i]; | |
7901 | ||
7902 | if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) || | |
7903 | (settings->beacon_csa.tail[csa_c_off_bcn] != | |
7904 | settings->cs_count)) | |
7905 | return -EINVAL; | |
7906 | ||
7907 | if (settings->beacon_csa.probe_resp && | |
7908 | ((settings->beacon_csa.probe_resp_len <= | |
7909 | csa_c_off_presp) || | |
7910 | (settings->beacon_csa.probe_resp[csa_c_off_presp] != | |
7911 | settings->cs_count))) | |
7912 | return -EINVAL; | |
7913 | } | |
7914 | ||
7915 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) || | |
7916 | nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, | |
7917 | settings->cs_count) || | |
7918 | (ret = nl80211_put_freq_params(msg, &settings->freq_params)) || | |
7919 | (settings->block_tx && | |
7920 | nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))) | |
7921 | goto error; | |
7922 | ||
7923 | /* beacon_after params */ | |
7924 | ret = set_beacon_data(msg, &settings->beacon_after); | |
7925 | if (ret) | |
7926 | goto error; | |
7927 | ||
7928 | /* beacon_csa params */ | |
7929 | beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES); | |
7930 | if (!beacon_csa) | |
7931 | goto fail; | |
7932 | ||
7933 | ret = set_beacon_data(msg, &settings->beacon_csa); | |
7934 | if (ret) | |
7935 | goto error; | |
7936 | ||
7937 | if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON, | |
7938 | csa_off_len * sizeof(u16), | |
7939 | settings->counter_offset_beacon) || | |
7940 | (settings->beacon_csa.probe_resp && | |
7941 | nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP, | |
7942 | csa_off_len * sizeof(u16), | |
7943 | settings->counter_offset_presp))) | |
7944 | goto fail; | |
7945 | ||
7946 | nla_nest_end(msg, beacon_csa); | |
7947 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7948 | if (ret) { | |
7949 | wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)", | |
7950 | ret, strerror(-ret)); | |
7951 | } | |
7952 | return ret; | |
7953 | ||
7954 | fail: | |
7955 | ret = -ENOBUFS; | |
7956 | error: | |
7957 | nlmsg_free(msg); | |
7958 | wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request"); | |
7959 | return ret; | |
7960 | } | |
7961 | ||
7962 | ||
7963 | static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr, | |
7964 | u8 user_priority, u16 admitted_time) | |
7965 | { | |
7966 | struct i802_bss *bss = priv; | |
7967 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7968 | struct nl_msg *msg; | |
7969 | int ret; | |
7970 | ||
7971 | wpa_printf(MSG_DEBUG, | |
7972 | "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d", | |
7973 | tsid, admitted_time, user_priority); | |
7974 | ||
7975 | if (!is_sta_interface(drv->nlmode)) | |
7976 | return -ENOTSUP; | |
7977 | ||
7978 | msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS); | |
7979 | if (!msg || | |
7980 | nla_put_u8(msg, NL80211_ATTR_TSID, tsid) || | |
7981 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
7982 | nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) || | |
7983 | nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) { | |
7984 | nlmsg_free(msg); | |
7985 | return -ENOBUFS; | |
7986 | } | |
7987 | ||
7988 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7989 | if (ret) | |
7990 | wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)", | |
7991 | ret, strerror(-ret)); | |
7992 | return ret; | |
7993 | } | |
7994 | ||
7995 | ||
7996 | static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr) | |
7997 | { | |
7998 | struct i802_bss *bss = priv; | |
7999 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8000 | struct nl_msg *msg; | |
8001 | int ret; | |
8002 | ||
8003 | wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid); | |
8004 | ||
8005 | if (!is_sta_interface(drv->nlmode)) | |
8006 | return -ENOTSUP; | |
8007 | ||
8008 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) || | |
8009 | nla_put_u8(msg, NL80211_ATTR_TSID, tsid) || | |
8010 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) { | |
8011 | nlmsg_free(msg); | |
8012 | return -ENOBUFS; | |
8013 | } | |
8014 | ||
8015 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8016 | if (ret) | |
8017 | wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)", | |
8018 | ret, strerror(-ret)); | |
8019 | return ret; | |
8020 | } | |
8021 | ||
8022 | ||
8023 | #ifdef CONFIG_TESTING_OPTIONS | |
8024 | static int cmd_reply_handler(struct nl_msg *msg, void *arg) | |
8025 | { | |
8026 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
8027 | struct wpabuf *buf = arg; | |
8028 | ||
8029 | if (!buf) | |
8030 | return NL_SKIP; | |
8031 | ||
8032 | if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) { | |
8033 | wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply"); | |
8034 | return NL_SKIP; | |
8035 | } | |
8036 | ||
8037 | wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0), | |
8038 | genlmsg_attrlen(gnlh, 0)); | |
8039 | ||
8040 | return NL_SKIP; | |
8041 | } | |
8042 | #endif /* CONFIG_TESTING_OPTIONS */ | |
8043 | ||
8044 | ||
8045 | static int vendor_reply_handler(struct nl_msg *msg, void *arg) | |
8046 | { | |
8047 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
8048 | struct nlattr *nl_vendor_reply, *nl; | |
8049 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
8050 | struct wpabuf *buf = arg; | |
8051 | int rem; | |
8052 | ||
8053 | if (!buf) | |
8054 | return NL_SKIP; | |
8055 | ||
8056 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
8057 | genlmsg_attrlen(gnlh, 0), NULL); | |
8058 | nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA]; | |
8059 | ||
8060 | if (!nl_vendor_reply) | |
8061 | return NL_SKIP; | |
8062 | ||
8063 | if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) { | |
8064 | wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply"); | |
8065 | return NL_SKIP; | |
8066 | } | |
8067 | ||
8068 | nla_for_each_nested(nl, nl_vendor_reply, rem) { | |
8069 | wpabuf_put_data(buf, nla_data(nl), nla_len(nl)); | |
8070 | } | |
8071 | ||
8072 | return NL_SKIP; | |
8073 | } | |
8074 | ||
8075 | ||
8076 | static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id, | |
8077 | unsigned int subcmd, const u8 *data, | |
8078 | size_t data_len, struct wpabuf *buf) | |
8079 | { | |
8080 | struct i802_bss *bss = priv; | |
8081 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8082 | struct nl_msg *msg; | |
8083 | int ret; | |
8084 | ||
8085 | #ifdef CONFIG_TESTING_OPTIONS | |
8086 | if (vendor_id == 0xffffffff) { | |
8087 | msg = nlmsg_alloc(); | |
8088 | if (!msg) | |
8089 | return -ENOMEM; | |
8090 | ||
8091 | nl80211_cmd(drv, msg, 0, subcmd); | |
8092 | if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) < | |
8093 | 0) | |
8094 | goto fail; | |
8095 | ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf); | |
8096 | if (ret) | |
8097 | wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d", | |
8098 | ret); | |
8099 | return ret; | |
8100 | } | |
8101 | #endif /* CONFIG_TESTING_OPTIONS */ | |
8102 | ||
8103 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) || | |
8104 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) || | |
8105 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) || | |
8106 | (data && | |
8107 | nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data))) | |
8108 | goto fail; | |
8109 | ||
8110 | ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf); | |
8111 | if (ret) | |
8112 | wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d", | |
8113 | ret); | |
8114 | return ret; | |
8115 | ||
8116 | fail: | |
8117 | nlmsg_free(msg); | |
8118 | return -ENOBUFS; | |
8119 | } | |
8120 | ||
8121 | ||
8122 | static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set, | |
8123 | u8 qos_map_set_len) | |
8124 | { | |
8125 | struct i802_bss *bss = priv; | |
8126 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8127 | struct nl_msg *msg; | |
8128 | int ret; | |
8129 | ||
8130 | wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map", | |
8131 | qos_map_set, qos_map_set_len); | |
8132 | ||
8133 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) || | |
8134 | nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) { | |
8135 | nlmsg_free(msg); | |
8136 | return -ENOBUFS; | |
8137 | } | |
8138 | ||
8139 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8140 | if (ret) | |
8141 | wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed"); | |
8142 | ||
8143 | return ret; | |
8144 | } | |
8145 | ||
8146 | ||
8147 | static int nl80211_set_wowlan(void *priv, | |
8148 | const struct wowlan_triggers *triggers) | |
8149 | { | |
8150 | struct i802_bss *bss = priv; | |
8151 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8152 | struct nl_msg *msg; | |
8153 | struct nlattr *wowlan_triggers; | |
8154 | int ret; | |
8155 | ||
8156 | wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan"); | |
8157 | ||
8158 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) || | |
8159 | !(wowlan_triggers = nla_nest_start(msg, | |
8160 | NL80211_ATTR_WOWLAN_TRIGGERS)) || | |
8161 | (triggers->any && | |
8162 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || | |
8163 | (triggers->disconnect && | |
8164 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || | |
8165 | (triggers->magic_pkt && | |
8166 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || | |
8167 | (triggers->gtk_rekey_failure && | |
8168 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || | |
8169 | (triggers->eap_identity_req && | |
8170 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || | |
8171 | (triggers->four_way_handshake && | |
8172 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || | |
8173 | (triggers->rfkill_release && | |
8174 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) { | |
8175 | nlmsg_free(msg); | |
8176 | return -ENOBUFS; | |
8177 | } | |
8178 | ||
8179 | nla_nest_end(msg, wowlan_triggers); | |
8180 | ||
8181 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8182 | if (ret) | |
8183 | wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed"); | |
8184 | ||
8185 | return ret; | |
8186 | } | |
8187 | ||
8188 | ||
8189 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
8190 | static int nl80211_roaming(void *priv, int allowed, const u8 *bssid) | |
8191 | { | |
8192 | struct i802_bss *bss = priv; | |
8193 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8194 | struct nl_msg *msg; | |
8195 | struct nlattr *params; | |
8196 | ||
8197 | wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed); | |
8198 | ||
8199 | if (!drv->roaming_vendor_cmd_avail) { | |
8200 | wpa_printf(MSG_DEBUG, | |
8201 | "nl80211: Ignore roaming policy change since driver does not provide command for setting it"); | |
8202 | return -1; | |
8203 | } | |
8204 | ||
8205 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
8206 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
8207 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
8208 | QCA_NL80211_VENDOR_SUBCMD_ROAMING) || | |
8209 | !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
8210 | nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY, | |
8211 | allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS : | |
8212 | QCA_ROAMING_NOT_ALLOWED) || | |
8213 | (bssid && | |
8214 | nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) { | |
8215 | nlmsg_free(msg); | |
8216 | return -1; | |
8217 | } | |
8218 | nla_nest_end(msg, params); | |
8219 | ||
8220 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
8221 | } | |
8222 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
8223 | ||
8224 | ||
8225 | static int nl80211_set_mac_addr(void *priv, const u8 *addr) | |
8226 | { | |
8227 | struct i802_bss *bss = priv; | |
8228 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8229 | int new_addr = addr != NULL; | |
8230 | ||
8231 | if (!addr) | |
8232 | addr = drv->perm_addr; | |
8233 | ||
8234 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0) | |
8235 | return -1; | |
8236 | ||
8237 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0) | |
8238 | { | |
8239 | wpa_printf(MSG_DEBUG, | |
8240 | "nl80211: failed to set_mac_addr for %s to " MACSTR, | |
8241 | bss->ifname, MAC2STR(addr)); | |
8242 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, | |
8243 | 1) < 0) { | |
8244 | wpa_printf(MSG_DEBUG, | |
8245 | "nl80211: Could not restore interface UP after failed set_mac_addr"); | |
8246 | } | |
8247 | return -1; | |
8248 | } | |
8249 | ||
8250 | wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR, | |
8251 | bss->ifname, MAC2STR(addr)); | |
8252 | drv->addr_changed = new_addr; | |
8253 | os_memcpy(bss->addr, addr, ETH_ALEN); | |
8254 | ||
8255 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0) | |
8256 | { | |
8257 | wpa_printf(MSG_DEBUG, | |
8258 | "nl80211: Could not restore interface UP after set_mac_addr"); | |
8259 | } | |
8260 | ||
8261 | return 0; | |
8262 | } | |
8263 | ||
8264 | ||
8265 | #ifdef CONFIG_MESH | |
8266 | ||
8267 | static int wpa_driver_nl80211_init_mesh(void *priv) | |
8268 | { | |
8269 | if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) { | |
8270 | wpa_printf(MSG_INFO, | |
8271 | "nl80211: Failed to set interface into mesh mode"); | |
8272 | return -1; | |
8273 | } | |
8274 | return 0; | |
8275 | } | |
8276 | ||
8277 | ||
8278 | static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id, | |
8279 | size_t mesh_id_len) | |
8280 | { | |
8281 | if (mesh_id) { | |
8282 | wpa_hexdump_ascii(MSG_DEBUG, " * Mesh ID (SSID)", | |
8283 | mesh_id, mesh_id_len); | |
8284 | return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id); | |
8285 | } | |
8286 | ||
8287 | return 0; | |
8288 | } | |
8289 | ||
8290 | ||
8291 | static int nl80211_join_mesh(struct i802_bss *bss, | |
8292 | struct wpa_driver_mesh_join_params *params) | |
8293 | { | |
8294 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8295 | struct nl_msg *msg; | |
8296 | struct nlattr *container; | |
8297 | int ret = -1; | |
8298 | ||
8299 | wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex); | |
8300 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH); | |
8301 | if (!msg || | |
8302 | nl80211_put_freq_params(msg, ¶ms->freq) || | |
8303 | nl80211_put_basic_rates(msg, params->basic_rates) || | |
8304 | nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) || | |
8305 | nl80211_put_beacon_int(msg, params->beacon_int)) | |
8306 | goto fail; | |
8307 | ||
8308 | wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags); | |
8309 | ||
8310 | container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP); | |
8311 | if (!container) | |
8312 | goto fail; | |
8313 | ||
8314 | if (params->ies) { | |
8315 | wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len); | |
8316 | if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len, | |
8317 | params->ies)) | |
8318 | goto fail; | |
8319 | } | |
8320 | /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */ | |
8321 | if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) { | |
8322 | if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) || | |
8323 | nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH)) | |
8324 | goto fail; | |
8325 | } | |
8326 | if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) && | |
8327 | nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE)) | |
8328 | goto fail; | |
8329 | if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) && | |
8330 | nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM)) | |
8331 | goto fail; | |
8332 | nla_nest_end(msg, container); | |
8333 | ||
8334 | container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); | |
8335 | if (!container) | |
8336 | goto fail; | |
8337 | ||
8338 | if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) && | |
8339 | nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0)) | |
8340 | goto fail; | |
8341 | if ((params->conf.flags & WPA_DRIVER_MESH_FLAG_DRIVER_MPM) && | |
8342 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
8343 | params->max_peer_links)) | |
8344 | goto fail; | |
8345 | ||
8346 | /* | |
8347 | * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because | |
8348 | * the timer could disconnect stations even in that case. | |
8349 | */ | |
8350 | if (nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
8351 | params->conf.peer_link_timeout)) { | |
8352 | wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT"); | |
8353 | goto fail; | |
8354 | } | |
8355 | ||
8356 | nla_nest_end(msg, container); | |
8357 | ||
8358 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8359 | msg = NULL; | |
8360 | if (ret) { | |
8361 | wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)", | |
8362 | ret, strerror(-ret)); | |
8363 | goto fail; | |
8364 | } | |
8365 | ret = 0; | |
8366 | bss->freq = params->freq.freq; | |
8367 | wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully"); | |
8368 | ||
8369 | fail: | |
8370 | nlmsg_free(msg); | |
8371 | return ret; | |
8372 | } | |
8373 | ||
8374 | ||
8375 | static int | |
8376 | wpa_driver_nl80211_join_mesh(void *priv, | |
8377 | struct wpa_driver_mesh_join_params *params) | |
8378 | { | |
8379 | struct i802_bss *bss = priv; | |
8380 | int ret, timeout; | |
8381 | ||
8382 | timeout = params->conf.peer_link_timeout; | |
8383 | ||
8384 | /* Disable kernel inactivity timer */ | |
8385 | if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) | |
8386 | params->conf.peer_link_timeout = 0; | |
8387 | ||
8388 | ret = nl80211_join_mesh(bss, params); | |
8389 | if (ret == -EINVAL && params->conf.peer_link_timeout == 0) { | |
8390 | wpa_printf(MSG_DEBUG, | |
8391 | "nl80211: Mesh join retry for peer_link_timeout"); | |
8392 | /* | |
8393 | * Old kernel does not support setting | |
8394 | * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds | |
8395 | * into future from peer_link_timeout. | |
8396 | */ | |
8397 | params->conf.peer_link_timeout = timeout + 60; | |
8398 | ret = nl80211_join_mesh(priv, params); | |
8399 | } | |
8400 | ||
8401 | params->conf.peer_link_timeout = timeout; | |
8402 | return ret; | |
8403 | } | |
8404 | ||
8405 | ||
8406 | static int wpa_driver_nl80211_leave_mesh(void *priv) | |
8407 | { | |
8408 | struct i802_bss *bss = priv; | |
8409 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8410 | struct nl_msg *msg; | |
8411 | int ret; | |
8412 | ||
8413 | wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex); | |
8414 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH); | |
8415 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8416 | if (ret) { | |
8417 | wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)", | |
8418 | ret, strerror(-ret)); | |
8419 | } else { | |
8420 | wpa_printf(MSG_DEBUG, | |
8421 | "nl80211: mesh leave request send successfully"); | |
8422 | } | |
8423 | ||
8424 | if (wpa_driver_nl80211_set_mode(drv->first_bss, | |
8425 | NL80211_IFTYPE_STATION)) { | |
8426 | wpa_printf(MSG_INFO, | |
8427 | "nl80211: Failed to set interface into station mode"); | |
8428 | } | |
8429 | return ret; | |
8430 | } | |
8431 | ||
8432 | #endif /* CONFIG_MESH */ | |
8433 | ||
8434 | ||
8435 | static int wpa_driver_br_add_ip_neigh(void *priv, u8 version, | |
8436 | const u8 *ipaddr, int prefixlen, | |
8437 | const u8 *addr) | |
8438 | { | |
8439 | #ifdef CONFIG_LIBNL3_ROUTE | |
8440 | struct i802_bss *bss = priv; | |
8441 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8442 | struct rtnl_neigh *rn; | |
8443 | struct nl_addr *nl_ipaddr = NULL; | |
8444 | struct nl_addr *nl_lladdr = NULL; | |
8445 | int family, addrsize; | |
8446 | int res; | |
8447 | ||
8448 | if (!ipaddr || prefixlen == 0 || !addr) | |
8449 | return -EINVAL; | |
8450 | ||
8451 | if (bss->br_ifindex == 0) { | |
8452 | wpa_printf(MSG_DEBUG, | |
8453 | "nl80211: bridge must be set before adding an ip neigh to it"); | |
8454 | return -1; | |
8455 | } | |
8456 | ||
8457 | if (!drv->rtnl_sk) { | |
8458 | wpa_printf(MSG_DEBUG, | |
8459 | "nl80211: nl_sock for NETLINK_ROUTE is not initialized"); | |
8460 | return -1; | |
8461 | } | |
8462 | ||
8463 | if (version == 4) { | |
8464 | family = AF_INET; | |
8465 | addrsize = 4; | |
8466 | } else if (version == 6) { | |
8467 | family = AF_INET6; | |
8468 | addrsize = 16; | |
8469 | } else { | |
8470 | return -EINVAL; | |
8471 | } | |
8472 | ||
8473 | rn = rtnl_neigh_alloc(); | |
8474 | if (rn == NULL) | |
8475 | return -ENOMEM; | |
8476 | ||
8477 | /* set the destination ip address for neigh */ | |
8478 | nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize); | |
8479 | if (nl_ipaddr == NULL) { | |
8480 | wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed"); | |
8481 | res = -ENOMEM; | |
8482 | goto errout; | |
8483 | } | |
8484 | nl_addr_set_prefixlen(nl_ipaddr, prefixlen); | |
8485 | res = rtnl_neigh_set_dst(rn, nl_ipaddr); | |
8486 | if (res) { | |
8487 | wpa_printf(MSG_DEBUG, | |
8488 | "nl80211: neigh set destination addr failed"); | |
8489 | goto errout; | |
8490 | } | |
8491 | ||
8492 | /* set the corresponding lladdr for neigh */ | |
8493 | nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN); | |
8494 | if (nl_lladdr == NULL) { | |
8495 | wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed"); | |
8496 | res = -ENOMEM; | |
8497 | goto errout; | |
8498 | } | |
8499 | rtnl_neigh_set_lladdr(rn, nl_lladdr); | |
8500 | ||
8501 | rtnl_neigh_set_ifindex(rn, bss->br_ifindex); | |
8502 | rtnl_neigh_set_state(rn, NUD_PERMANENT); | |
8503 | ||
8504 | res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE); | |
8505 | if (res) { | |
8506 | wpa_printf(MSG_DEBUG, | |
8507 | "nl80211: Adding bridge ip neigh failed: %s", | |
8508 | strerror(errno)); | |
8509 | } | |
8510 | errout: | |
8511 | if (nl_lladdr) | |
8512 | nl_addr_put(nl_lladdr); | |
8513 | if (nl_ipaddr) | |
8514 | nl_addr_put(nl_ipaddr); | |
8515 | if (rn) | |
8516 | rtnl_neigh_put(rn); | |
8517 | return res; | |
8518 | #else /* CONFIG_LIBNL3_ROUTE */ | |
8519 | return -1; | |
8520 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
8521 | } | |
8522 | ||
8523 | ||
8524 | static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version, | |
8525 | const u8 *ipaddr) | |
8526 | { | |
8527 | #ifdef CONFIG_LIBNL3_ROUTE | |
8528 | struct i802_bss *bss = priv; | |
8529 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8530 | struct rtnl_neigh *rn; | |
8531 | struct nl_addr *nl_ipaddr; | |
8532 | int family, addrsize; | |
8533 | int res; | |
8534 | ||
8535 | if (!ipaddr) | |
8536 | return -EINVAL; | |
8537 | ||
8538 | if (version == 4) { | |
8539 | family = AF_INET; | |
8540 | addrsize = 4; | |
8541 | } else if (version == 6) { | |
8542 | family = AF_INET6; | |
8543 | addrsize = 16; | |
8544 | } else { | |
8545 | return -EINVAL; | |
8546 | } | |
8547 | ||
8548 | if (bss->br_ifindex == 0) { | |
8549 | wpa_printf(MSG_DEBUG, | |
8550 | "nl80211: bridge must be set to delete an ip neigh"); | |
8551 | return -1; | |
8552 | } | |
8553 | ||
8554 | if (!drv->rtnl_sk) { | |
8555 | wpa_printf(MSG_DEBUG, | |
8556 | "nl80211: nl_sock for NETLINK_ROUTE is not initialized"); | |
8557 | return -1; | |
8558 | } | |
8559 | ||
8560 | rn = rtnl_neigh_alloc(); | |
8561 | if (rn == NULL) | |
8562 | return -ENOMEM; | |
8563 | ||
8564 | /* set the destination ip address for neigh */ | |
8565 | nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize); | |
8566 | if (nl_ipaddr == NULL) { | |
8567 | wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed"); | |
8568 | res = -ENOMEM; | |
8569 | goto errout; | |
8570 | } | |
8571 | res = rtnl_neigh_set_dst(rn, nl_ipaddr); | |
8572 | if (res) { | |
8573 | wpa_printf(MSG_DEBUG, | |
8574 | "nl80211: neigh set destination addr failed"); | |
8575 | goto errout; | |
8576 | } | |
8577 | ||
8578 | rtnl_neigh_set_ifindex(rn, bss->br_ifindex); | |
8579 | ||
8580 | res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0); | |
8581 | if (res) { | |
8582 | wpa_printf(MSG_DEBUG, | |
8583 | "nl80211: Deleting bridge ip neigh failed: %s", | |
8584 | strerror(errno)); | |
8585 | } | |
8586 | errout: | |
8587 | if (nl_ipaddr) | |
8588 | nl_addr_put(nl_ipaddr); | |
8589 | if (rn) | |
8590 | rtnl_neigh_put(rn); | |
8591 | return res; | |
8592 | #else /* CONFIG_LIBNL3_ROUTE */ | |
8593 | return -1; | |
8594 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
8595 | } | |
8596 | ||
8597 | ||
8598 | static int linux_write_system_file(const char *path, unsigned int val) | |
8599 | { | |
8600 | char buf[50]; | |
8601 | int fd, len; | |
8602 | ||
8603 | len = os_snprintf(buf, sizeof(buf), "%u\n", val); | |
8604 | if (os_snprintf_error(sizeof(buf), len)) | |
8605 | return -1; | |
8606 | ||
8607 | fd = open(path, O_WRONLY); | |
8608 | if (fd < 0) | |
8609 | return -1; | |
8610 | ||
8611 | if (write(fd, buf, len) < 0) { | |
8612 | wpa_printf(MSG_DEBUG, | |
8613 | "nl80211: Failed to write Linux system file: %s with the value of %d", | |
8614 | path, val); | |
8615 | close(fd); | |
8616 | return -1; | |
8617 | } | |
8618 | close(fd); | |
8619 | ||
8620 | return 0; | |
8621 | } | |
8622 | ||
8623 | ||
8624 | static const char * drv_br_port_attr_str(enum drv_br_port_attr attr) | |
8625 | { | |
8626 | switch (attr) { | |
8627 | case DRV_BR_PORT_ATTR_PROXYARP: | |
8628 | return "proxyarp_wifi"; | |
8629 | case DRV_BR_PORT_ATTR_HAIRPIN_MODE: | |
8630 | return "hairpin_mode"; | |
8631 | } | |
8632 | ||
8633 | return NULL; | |
8634 | } | |
8635 | ||
8636 | ||
8637 | static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr, | |
8638 | unsigned int val) | |
8639 | { | |
8640 | struct i802_bss *bss = priv; | |
8641 | char path[128]; | |
8642 | const char *attr_txt; | |
8643 | ||
8644 | attr_txt = drv_br_port_attr_str(attr); | |
8645 | if (attr_txt == NULL) | |
8646 | return -EINVAL; | |
8647 | ||
8648 | os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s", | |
8649 | bss->ifname, attr_txt); | |
8650 | ||
8651 | if (linux_write_system_file(path, val)) | |
8652 | return -1; | |
8653 | ||
8654 | return 0; | |
8655 | } | |
8656 | ||
8657 | ||
8658 | static const char * drv_br_net_param_str(enum drv_br_net_param param) | |
8659 | { | |
8660 | switch (param) { | |
8661 | case DRV_BR_NET_PARAM_GARP_ACCEPT: | |
8662 | return "arp_accept"; | |
8663 | default: | |
8664 | return NULL; | |
8665 | } | |
8666 | } | |
8667 | ||
8668 | ||
8669 | static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param, | |
8670 | unsigned int val) | |
8671 | { | |
8672 | struct i802_bss *bss = priv; | |
8673 | char path[128]; | |
8674 | const char *param_txt; | |
8675 | int ip_version = 4; | |
8676 | ||
8677 | if (param == DRV_BR_MULTICAST_SNOOPING) { | |
8678 | os_snprintf(path, sizeof(path), | |
8679 | "/sys/devices/virtual/net/%s/bridge/multicast_snooping", | |
8680 | bss->brname); | |
8681 | goto set_val; | |
8682 | } | |
8683 | ||
8684 | param_txt = drv_br_net_param_str(param); | |
8685 | if (param_txt == NULL) | |
8686 | return -EINVAL; | |
8687 | ||
8688 | switch (param) { | |
8689 | case DRV_BR_NET_PARAM_GARP_ACCEPT: | |
8690 | ip_version = 4; | |
8691 | break; | |
8692 | default: | |
8693 | return -EINVAL; | |
8694 | } | |
8695 | ||
8696 | os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s", | |
8697 | ip_version, bss->brname, param_txt); | |
8698 | ||
8699 | set_val: | |
8700 | if (linux_write_system_file(path, val)) | |
8701 | return -1; | |
8702 | ||
8703 | return 0; | |
8704 | } | |
8705 | ||
8706 | ||
8707 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
8708 | ||
8709 | static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode) | |
8710 | { | |
8711 | switch (hw_mode) { | |
8712 | case HOSTAPD_MODE_IEEE80211B: | |
8713 | return QCA_ACS_MODE_IEEE80211B; | |
8714 | case HOSTAPD_MODE_IEEE80211G: | |
8715 | return QCA_ACS_MODE_IEEE80211G; | |
8716 | case HOSTAPD_MODE_IEEE80211A: | |
8717 | return QCA_ACS_MODE_IEEE80211A; | |
8718 | case HOSTAPD_MODE_IEEE80211AD: | |
8719 | return QCA_ACS_MODE_IEEE80211AD; | |
8720 | case HOSTAPD_MODE_IEEE80211ANY: | |
8721 | return QCA_ACS_MODE_IEEE80211ANY; | |
8722 | default: | |
8723 | return -1; | |
8724 | } | |
8725 | } | |
8726 | ||
8727 | ||
8728 | static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list) | |
8729 | { | |
8730 | int i, len, ret; | |
8731 | u32 *freqs; | |
8732 | ||
8733 | if (!freq_list) | |
8734 | return 0; | |
8735 | len = int_array_len(freq_list); | |
8736 | freqs = os_malloc(sizeof(u32) * len); | |
8737 | if (!freqs) | |
8738 | return -1; | |
8739 | for (i = 0; i < len; i++) | |
8740 | freqs[i] = freq_list[i]; | |
8741 | ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST, | |
8742 | sizeof(u32) * len, freqs); | |
8743 | os_free(freqs); | |
8744 | return ret; | |
8745 | } | |
8746 | ||
8747 | ||
8748 | static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params) | |
8749 | { | |
8750 | struct i802_bss *bss = priv; | |
8751 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8752 | struct nl_msg *msg; | |
8753 | struct nlattr *data; | |
8754 | int ret; | |
8755 | int mode; | |
8756 | ||
8757 | mode = hw_mode_to_qca_acs(params->hw_mode); | |
8758 | if (mode < 0) | |
8759 | return -1; | |
8760 | ||
8761 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
8762 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
8763 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
8764 | QCA_NL80211_VENDOR_SUBCMD_DO_ACS) || | |
8765 | !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
8766 | nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) || | |
8767 | (params->ht_enabled && | |
8768 | nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) || | |
8769 | (params->ht40_enabled && | |
8770 | nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) || | |
8771 | (params->vht_enabled && | |
8772 | nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) || | |
8773 | nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH, | |
8774 | params->ch_width) || | |
8775 | (params->ch_list_len && | |
8776 | nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len, | |
8777 | params->ch_list)) || | |
8778 | add_acs_freq_list(msg, params->freq_list)) { | |
8779 | nlmsg_free(msg); | |
8780 | return -ENOBUFS; | |
8781 | } | |
8782 | nla_nest_end(msg, data); | |
8783 | ||
8784 | wpa_printf(MSG_DEBUG, | |
8785 | "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u", | |
8786 | params->hw_mode, params->ht_enabled, params->ht40_enabled, | |
8787 | params->vht_enabled, params->ch_width, params->ch_list_len); | |
8788 | ||
8789 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8790 | if (ret) { | |
8791 | wpa_printf(MSG_DEBUG, | |
8792 | "nl80211: Failed to invoke driver ACS function: %s", | |
8793 | strerror(errno)); | |
8794 | } | |
8795 | return ret; | |
8796 | } | |
8797 | ||
8798 | ||
8799 | static int nl80211_set_band(void *priv, enum set_band band) | |
8800 | { | |
8801 | struct i802_bss *bss = priv; | |
8802 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8803 | struct nl_msg *msg; | |
8804 | struct nlattr *data; | |
8805 | int ret; | |
8806 | enum qca_set_band qca_band; | |
8807 | ||
8808 | if (!drv->setband_vendor_cmd_avail) | |
8809 | return -1; | |
8810 | ||
8811 | switch (band) { | |
8812 | case WPA_SETBAND_AUTO: | |
8813 | qca_band = QCA_SETBAND_AUTO; | |
8814 | break; | |
8815 | case WPA_SETBAND_5G: | |
8816 | qca_band = QCA_SETBAND_5G; | |
8817 | break; | |
8818 | case WPA_SETBAND_2G: | |
8819 | qca_band = QCA_SETBAND_2G; | |
8820 | break; | |
8821 | default: | |
8822 | return -1; | |
8823 | } | |
8824 | ||
8825 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
8826 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
8827 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
8828 | QCA_NL80211_VENDOR_SUBCMD_SETBAND) || | |
8829 | !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
8830 | nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) { | |
8831 | nlmsg_free(msg); | |
8832 | return -ENOBUFS; | |
8833 | } | |
8834 | nla_nest_end(msg, data); | |
8835 | ||
8836 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8837 | if (ret) { | |
8838 | wpa_printf(MSG_DEBUG, | |
8839 | "nl80211: Driver setband function failed: %s", | |
8840 | strerror(errno)); | |
8841 | } | |
8842 | return ret; | |
8843 | } | |
8844 | ||
8845 | ||
8846 | struct nl80211_pcl { | |
8847 | unsigned int num; | |
8848 | unsigned int *freq_list; | |
8849 | }; | |
8850 | ||
8851 | static int preferred_freq_info_handler(struct nl_msg *msg, void *arg) | |
8852 | { | |
8853 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
8854 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
8855 | struct nl80211_pcl *param = arg; | |
8856 | struct nlattr *nl_vend, *attr; | |
8857 | enum qca_iface_type iface_type; | |
8858 | struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; | |
8859 | unsigned int num, max_num; | |
8860 | u32 *freqs; | |
8861 | ||
8862 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
8863 | genlmsg_attrlen(gnlh, 0), NULL); | |
8864 | ||
8865 | nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; | |
8866 | if (!nl_vend) | |
8867 | return NL_SKIP; | |
8868 | ||
8869 | nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, | |
8870 | nla_data(nl_vend), nla_len(nl_vend), NULL); | |
8871 | ||
8872 | attr = tb_vendor[ | |
8873 | QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE]; | |
8874 | if (!attr) { | |
8875 | wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found"); | |
8876 | param->num = 0; | |
8877 | return NL_SKIP; | |
8878 | } | |
8879 | ||
8880 | iface_type = (enum qca_iface_type) nla_get_u32(attr); | |
8881 | wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d", | |
8882 | iface_type); | |
8883 | ||
8884 | attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST]; | |
8885 | if (!attr) { | |
8886 | wpa_printf(MSG_ERROR, | |
8887 | "nl80211: preferred_freq_list couldn't be found"); | |
8888 | param->num = 0; | |
8889 | return NL_SKIP; | |
8890 | } | |
8891 | ||
8892 | /* | |
8893 | * param->num has the maximum number of entries for which there | |
8894 | * is room in the freq_list provided by the caller. | |
8895 | */ | |
8896 | freqs = nla_data(attr); | |
8897 | max_num = nla_len(attr) / sizeof(u32); | |
8898 | if (max_num > param->num) | |
8899 | max_num = param->num; | |
8900 | for (num = 0; num < max_num; num++) | |
8901 | param->freq_list[num] = freqs[num]; | |
8902 | param->num = num; | |
8903 | ||
8904 | return NL_SKIP; | |
8905 | } | |
8906 | ||
8907 | ||
8908 | static int nl80211_get_pref_freq_list(void *priv, | |
8909 | enum wpa_driver_if_type if_type, | |
8910 | unsigned int *num, | |
8911 | unsigned int *freq_list) | |
8912 | { | |
8913 | struct i802_bss *bss = priv; | |
8914 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8915 | struct nl_msg *msg; | |
8916 | int ret; | |
8917 | unsigned int i; | |
8918 | struct nlattr *params; | |
8919 | struct nl80211_pcl param; | |
8920 | enum qca_iface_type iface_type; | |
8921 | ||
8922 | if (!drv->get_pref_freq_list) | |
8923 | return -1; | |
8924 | ||
8925 | switch (if_type) { | |
8926 | case WPA_IF_STATION: | |
8927 | iface_type = QCA_IFACE_TYPE_STA; | |
8928 | break; | |
8929 | case WPA_IF_AP_BSS: | |
8930 | iface_type = QCA_IFACE_TYPE_AP; | |
8931 | break; | |
8932 | case WPA_IF_P2P_GO: | |
8933 | iface_type = QCA_IFACE_TYPE_P2P_GO; | |
8934 | break; | |
8935 | case WPA_IF_P2P_CLIENT: | |
8936 | iface_type = QCA_IFACE_TYPE_P2P_CLIENT; | |
8937 | break; | |
8938 | case WPA_IF_IBSS: | |
8939 | iface_type = QCA_IFACE_TYPE_IBSS; | |
8940 | break; | |
8941 | case WPA_IF_TDLS: | |
8942 | iface_type = QCA_IFACE_TYPE_TDLS; | |
8943 | break; | |
8944 | default: | |
8945 | return -1; | |
8946 | } | |
8947 | ||
8948 | param.num = *num; | |
8949 | param.freq_list = freq_list; | |
8950 | ||
8951 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
8952 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) || | |
8953 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
8954 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
8955 | QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) || | |
8956 | !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
8957 | nla_put_u32(msg, | |
8958 | QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE, | |
8959 | iface_type)) { | |
8960 | wpa_printf(MSG_ERROR, | |
8961 | "%s: err in adding vendor_cmd and vendor_data", | |
8962 | __func__); | |
8963 | nlmsg_free(msg); | |
8964 | return -1; | |
8965 | } | |
8966 | nla_nest_end(msg, params); | |
8967 | ||
8968 | os_memset(freq_list, 0, *num * sizeof(freq_list[0])); | |
8969 | ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, ¶m); | |
8970 | if (ret) { | |
8971 | wpa_printf(MSG_ERROR, | |
8972 | "%s: err in send_and_recv_msgs", __func__); | |
8973 | return ret; | |
8974 | } | |
8975 | ||
8976 | *num = param.num; | |
8977 | ||
8978 | for (i = 0; i < *num; i++) { | |
8979 | wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d", | |
8980 | i, freq_list[i]); | |
8981 | } | |
8982 | ||
8983 | return 0; | |
8984 | } | |
8985 | ||
8986 | ||
8987 | static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq) | |
8988 | { | |
8989 | struct i802_bss *bss = priv; | |
8990 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8991 | struct nl_msg *msg; | |
8992 | int ret; | |
8993 | struct nlattr *params; | |
8994 | ||
8995 | if (!drv->set_prob_oper_freq) | |
8996 | return -1; | |
8997 | ||
8998 | wpa_printf(MSG_DEBUG, | |
8999 | "nl80211: Set P2P probable operating freq %u for ifindex %d", | |
9000 | freq, bss->ifindex); | |
9001 | ||
9002 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
9003 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
9004 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
9005 | QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) || | |
9006 | !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
9007 | nla_put_u32(msg, | |
9008 | QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE, | |
9009 | QCA_IFACE_TYPE_P2P_CLIENT) || | |
9010 | nla_put_u32(msg, | |
9011 | QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ, | |
9012 | freq)) { | |
9013 | wpa_printf(MSG_ERROR, | |
9014 | "%s: err in adding vendor_cmd and vendor_data", | |
9015 | __func__); | |
9016 | nlmsg_free(msg); | |
9017 | return -1; | |
9018 | } | |
9019 | nla_nest_end(msg, params); | |
9020 | ||
9021 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9022 | msg = NULL; | |
9023 | if (ret) { | |
9024 | wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs", | |
9025 | __func__); | |
9026 | return ret; | |
9027 | } | |
9028 | nlmsg_free(msg); | |
9029 | return 0; | |
9030 | } | |
9031 | ||
9032 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
9033 | ||
9034 | ||
9035 | const struct wpa_driver_ops wpa_driver_nl80211_ops = { | |
9036 | .name = "nl80211", | |
9037 | .desc = "Linux nl80211/cfg80211", | |
9038 | .get_bssid = wpa_driver_nl80211_get_bssid, | |
9039 | .get_ssid = wpa_driver_nl80211_get_ssid, | |
9040 | .set_key = driver_nl80211_set_key, | |
9041 | .scan2 = driver_nl80211_scan2, | |
9042 | .sched_scan = wpa_driver_nl80211_sched_scan, | |
9043 | .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan, | |
9044 | .get_scan_results2 = wpa_driver_nl80211_get_scan_results, | |
9045 | .abort_scan = wpa_driver_nl80211_abort_scan, | |
9046 | .deauthenticate = driver_nl80211_deauthenticate, | |
9047 | .authenticate = driver_nl80211_authenticate, | |
9048 | .associate = wpa_driver_nl80211_associate, | |
9049 | .global_init = nl80211_global_init, | |
9050 | .global_deinit = nl80211_global_deinit, | |
9051 | .init2 = wpa_driver_nl80211_init, | |
9052 | .deinit = driver_nl80211_deinit, | |
9053 | .get_capa = wpa_driver_nl80211_get_capa, | |
9054 | .set_operstate = wpa_driver_nl80211_set_operstate, | |
9055 | .set_supp_port = wpa_driver_nl80211_set_supp_port, | |
9056 | .set_country = wpa_driver_nl80211_set_country, | |
9057 | .get_country = wpa_driver_nl80211_get_country, | |
9058 | .set_ap = wpa_driver_nl80211_set_ap, | |
9059 | .set_acl = wpa_driver_nl80211_set_acl, | |
9060 | .if_add = wpa_driver_nl80211_if_add, | |
9061 | .if_remove = driver_nl80211_if_remove, | |
9062 | .send_mlme = driver_nl80211_send_mlme, | |
9063 | .get_hw_feature_data = nl80211_get_hw_feature_data, | |
9064 | .sta_add = wpa_driver_nl80211_sta_add, | |
9065 | .sta_remove = driver_nl80211_sta_remove, | |
9066 | .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol, | |
9067 | .sta_set_flags = wpa_driver_nl80211_sta_set_flags, | |
9068 | .hapd_init = i802_init, | |
9069 | .hapd_deinit = i802_deinit, | |
9070 | .set_wds_sta = i802_set_wds_sta, | |
9071 | .get_seqnum = i802_get_seqnum, | |
9072 | .flush = i802_flush, | |
9073 | .get_inact_sec = i802_get_inact_sec, | |
9074 | .sta_clear_stats = i802_sta_clear_stats, | |
9075 | .set_rts = i802_set_rts, | |
9076 | .set_frag = i802_set_frag, | |
9077 | .set_tx_queue_params = i802_set_tx_queue_params, | |
9078 | .set_sta_vlan = driver_nl80211_set_sta_vlan, | |
9079 | .sta_deauth = i802_sta_deauth, | |
9080 | .sta_disassoc = i802_sta_disassoc, | |
9081 | .read_sta_data = driver_nl80211_read_sta_data, | |
9082 | .set_freq = i802_set_freq, | |
9083 | .send_action = driver_nl80211_send_action, | |
9084 | .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait, | |
9085 | .remain_on_channel = wpa_driver_nl80211_remain_on_channel, | |
9086 | .cancel_remain_on_channel = | |
9087 | wpa_driver_nl80211_cancel_remain_on_channel, | |
9088 | .probe_req_report = driver_nl80211_probe_req_report, | |
9089 | .deinit_ap = wpa_driver_nl80211_deinit_ap, | |
9090 | .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli, | |
9091 | .resume = wpa_driver_nl80211_resume, | |
9092 | .signal_monitor = nl80211_signal_monitor, | |
9093 | .signal_poll = nl80211_signal_poll, | |
9094 | .send_frame = nl80211_send_frame, | |
9095 | .set_param = nl80211_set_param, | |
9096 | .get_radio_name = nl80211_get_radio_name, | |
9097 | .add_pmkid = nl80211_add_pmkid, | |
9098 | .remove_pmkid = nl80211_remove_pmkid, | |
9099 | .flush_pmkid = nl80211_flush_pmkid, | |
9100 | .set_rekey_info = nl80211_set_rekey_info, | |
9101 | .poll_client = nl80211_poll_client, | |
9102 | .set_p2p_powersave = nl80211_set_p2p_powersave, | |
9103 | .start_dfs_cac = nl80211_start_radar_detection, | |
9104 | .stop_ap = wpa_driver_nl80211_stop_ap, | |
9105 | #ifdef CONFIG_TDLS | |
9106 | .send_tdls_mgmt = nl80211_send_tdls_mgmt, | |
9107 | .tdls_oper = nl80211_tdls_oper, | |
9108 | .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch, | |
9109 | .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch, | |
9110 | #endif /* CONFIG_TDLS */ | |
9111 | .update_ft_ies = wpa_driver_nl80211_update_ft_ies, | |
9112 | .get_mac_addr = wpa_driver_nl80211_get_macaddr, | |
9113 | .get_survey = wpa_driver_nl80211_get_survey, | |
9114 | .status = wpa_driver_nl80211_status, | |
9115 | .switch_channel = nl80211_switch_channel, | |
9116 | #ifdef ANDROID_P2P | |
9117 | .set_noa = wpa_driver_set_p2p_noa, | |
9118 | .get_noa = wpa_driver_get_p2p_noa, | |
9119 | .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie, | |
9120 | #endif /* ANDROID_P2P */ | |
9121 | #ifdef ANDROID | |
9122 | #ifndef ANDROID_LIB_STUB | |
9123 | .driver_cmd = wpa_driver_nl80211_driver_cmd, | |
9124 | #endif /* !ANDROID_LIB_STUB */ | |
9125 | #endif /* ANDROID */ | |
9126 | .vendor_cmd = nl80211_vendor_cmd, | |
9127 | .set_qos_map = nl80211_set_qos_map, | |
9128 | .set_wowlan = nl80211_set_wowlan, | |
9129 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
9130 | .roaming = nl80211_roaming, | |
9131 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
9132 | .set_mac_addr = nl80211_set_mac_addr, | |
9133 | #ifdef CONFIG_MESH | |
9134 | .init_mesh = wpa_driver_nl80211_init_mesh, | |
9135 | .join_mesh = wpa_driver_nl80211_join_mesh, | |
9136 | .leave_mesh = wpa_driver_nl80211_leave_mesh, | |
9137 | #endif /* CONFIG_MESH */ | |
9138 | .br_add_ip_neigh = wpa_driver_br_add_ip_neigh, | |
9139 | .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh, | |
9140 | .br_port_set_attr = wpa_driver_br_port_set_attr, | |
9141 | .br_set_net_param = wpa_driver_br_set_net_param, | |
9142 | .add_tx_ts = nl80211_add_ts, | |
9143 | .del_tx_ts = nl80211_del_ts, | |
9144 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
9145 | .do_acs = wpa_driver_do_acs, | |
9146 | .set_band = nl80211_set_band, | |
9147 | .get_pref_freq_list = nl80211_get_pref_freq_list, | |
9148 | .set_prob_oper_freq = nl80211_set_prob_oper_freq, | |
9149 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
9150 | }; |