Line data Source code
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 6963 : static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
94 : {
95 : struct nl_handle *handle;
96 :
97 6963 : handle = nl80211_handle_alloc(cb);
98 6963 : if (handle == NULL) {
99 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
100 : "callbacks (%s)", dbg);
101 0 : return NULL;
102 : }
103 :
104 6963 : if (genl_connect(handle)) {
105 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
106 : "netlink (%s)", dbg);
107 0 : nl80211_handle_destroy(handle);
108 0 : return NULL;
109 : }
110 :
111 6963 : return handle;
112 : }
113 :
114 :
115 6963 : static void nl_destroy_handles(struct nl_handle **handle)
116 : {
117 6963 : if (*handle == NULL)
118 6963 : return;
119 6963 : nl80211_handle_destroy(*handle);
120 6963 : *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 6912 : 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 6912 : if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
143 0 : wpa_printf(MSG_DEBUG,
144 : "nl80211: Could not set nl_socket RX buffer size: %s",
145 0 : strerror(errno));
146 : /* continue anyway with the default (smaller) buffer */
147 : }
148 : #endif /* CONFIG_LIBNL20 */
149 :
150 6912 : nl_socket_set_nonblocking(*handle);
151 6912 : eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
152 : eloop_data, *handle);
153 6912 : *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
154 6912 : }
155 :
156 :
157 6912 : static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
158 : {
159 6912 : *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
160 6912 : eloop_unregister_read_sock(nl_socket_get_fd(*handle));
161 6912 : nl_destroy_handles(handle);
162 6912 : }
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 : static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
181 : int report);
182 :
183 : static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
184 : static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
185 : static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
186 :
187 : static int nl80211_set_channel(struct i802_bss *bss,
188 : struct hostapd_freq_params *freq, int set_chan);
189 : static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
190 : int ifindex, int disabled);
191 :
192 : static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
193 : int reset_mode);
194 :
195 : static int i802_set_iface_flags(struct i802_bss *bss, int up);
196 : static int nl80211_set_param(void *priv, const char *param);
197 :
198 :
199 : /* Converts nl80211_chan_width to a common format */
200 121 : enum chan_width convert2width(int width)
201 : {
202 121 : switch (width) {
203 : case NL80211_CHAN_WIDTH_20_NOHT:
204 17 : return CHAN_WIDTH_20_NOHT;
205 : case NL80211_CHAN_WIDTH_20:
206 68 : return CHAN_WIDTH_20;
207 : case NL80211_CHAN_WIDTH_40:
208 24 : return CHAN_WIDTH_40;
209 : case NL80211_CHAN_WIDTH_80:
210 7 : return CHAN_WIDTH_80;
211 : case NL80211_CHAN_WIDTH_80P80:
212 1 : return CHAN_WIDTH_80P80;
213 : case NL80211_CHAN_WIDTH_160:
214 4 : return CHAN_WIDTH_160;
215 : }
216 0 : return CHAN_WIDTH_UNKNOWN;
217 : }
218 :
219 :
220 52747 : int is_ap_interface(enum nl80211_iftype nlmode)
221 : {
222 52747 : return nlmode == NL80211_IFTYPE_AP ||
223 : nlmode == NL80211_IFTYPE_P2P_GO;
224 : }
225 :
226 :
227 17624 : int is_sta_interface(enum nl80211_iftype nlmode)
228 : {
229 17624 : return nlmode == NL80211_IFTYPE_STATION ||
230 : nlmode == NL80211_IFTYPE_P2P_CLIENT;
231 : }
232 :
233 :
234 12893 : static int is_p2p_net_interface(enum nl80211_iftype nlmode)
235 : {
236 12893 : return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
237 : nlmode == NL80211_IFTYPE_P2P_GO;
238 : }
239 :
240 :
241 46 : struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
242 : int ifindex)
243 : {
244 : struct i802_bss *bss;
245 :
246 46 : for (bss = drv->first_bss; bss; bss = bss->next) {
247 46 : if (bss->ifindex == ifindex)
248 46 : return bss;
249 : }
250 :
251 0 : return NULL;
252 : }
253 :
254 :
255 11456 : static int is_mesh_interface(enum nl80211_iftype nlmode)
256 : {
257 11456 : return nlmode == NL80211_IFTYPE_MESH_POINT;
258 : }
259 :
260 :
261 12323 : void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
262 : {
263 12323 : if (drv->associated)
264 3313 : os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
265 12323 : drv->associated = 0;
266 12323 : os_memset(drv->bssid, 0, ETH_ALEN);
267 12323 : }
268 :
269 :
270 : /* nl80211 code */
271 205998 : static int ack_handler(struct nl_msg *msg, void *arg)
272 : {
273 205998 : int *err = arg;
274 205998 : *err = 0;
275 205998 : return NL_STOP;
276 : }
277 :
278 25397 : static int finish_handler(struct nl_msg *msg, void *arg)
279 : {
280 25397 : int *ret = arg;
281 25397 : *ret = 0;
282 25397 : return NL_SKIP;
283 : }
284 :
285 35736 : static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
286 : void *arg)
287 : {
288 35736 : int *ret = arg;
289 35736 : *ret = err->error;
290 35736 : return NL_SKIP;
291 : }
292 :
293 :
294 1529923 : static int no_seq_check(struct nl_msg *msg, void *arg)
295 : {
296 1529923 : return NL_OK;
297 : }
298 :
299 :
300 8583 : static void nl80211_nlmsg_clear(struct nl_msg *msg)
301 : {
302 : /*
303 : * Clear nlmsg data, e.g., to make sure key material is not left in
304 : * heap memory for unnecessarily long time.
305 : */
306 8583 : if (msg) {
307 8581 : struct nlmsghdr *hdr = nlmsg_hdr(msg);
308 8581 : void *data = nlmsg_data(hdr);
309 : /*
310 : * This would use nlmsg_datalen() or the older nlmsg_len() if
311 : * only libnl were to maintain a stable API.. Neither will work
312 : * with all released versions, so just calculate the length
313 : * here.
314 : */
315 8581 : int len = hdr->nlmsg_len - NLMSG_HDRLEN;
316 :
317 8581 : os_memset(data, 0, len);
318 : }
319 8583 : }
320 :
321 :
322 267131 : static int send_and_recv(struct nl80211_global *global,
323 : struct nl_handle *nl_handle, struct nl_msg *msg,
324 : int (*valid_handler)(struct nl_msg *, void *),
325 : void *valid_data)
326 : {
327 : struct nl_cb *cb;
328 267131 : int err = -ENOMEM;
329 :
330 267131 : if (!msg)
331 0 : return -ENOMEM;
332 :
333 267131 : cb = nl_cb_clone(global->nl_cb);
334 267131 : if (!cb)
335 0 : goto out;
336 :
337 267131 : err = nl_send_auto_complete(nl_handle, msg);
338 267131 : if (err < 0)
339 0 : goto out;
340 :
341 267131 : err = 1;
342 :
343 267131 : nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
344 267131 : nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
345 267131 : nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
346 :
347 267131 : if (valid_handler)
348 102732 : nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
349 : valid_handler, valid_data);
350 :
351 872817 : while (err > 0) {
352 338555 : int res = nl_recvmsgs(nl_handle, cb);
353 338555 : if (res < 0) {
354 0 : wpa_printf(MSG_INFO,
355 : "nl80211: %s->nl_recvmsgs failed: %d",
356 : __func__, res);
357 : }
358 : }
359 : out:
360 267131 : nl_cb_put(cb);
361 267131 : if (!valid_handler && valid_data == (void *) -1)
362 8581 : nl80211_nlmsg_clear(msg);
363 267131 : nlmsg_free(msg);
364 267131 : return err;
365 : }
366 :
367 :
368 208823 : int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
369 : struct nl_msg *msg,
370 : int (*valid_handler)(struct nl_msg *, void *),
371 : void *valid_data)
372 : {
373 208823 : return send_and_recv(drv->global, drv->global->nl, msg,
374 : valid_handler, valid_data);
375 : }
376 :
377 :
378 : struct family_data {
379 : const char *group;
380 : int id;
381 : };
382 :
383 :
384 8868 : static int family_handler(struct nl_msg *msg, void *arg)
385 : {
386 8868 : struct family_data *res = arg;
387 : struct nlattr *tb[CTRL_ATTR_MAX + 1];
388 8868 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
389 : struct nlattr *mcgrp;
390 : int i;
391 :
392 8868 : nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
393 : genlmsg_attrlen(gnlh, 0), NULL);
394 8868 : if (!tb[CTRL_ATTR_MCAST_GROUPS])
395 0 : return NL_SKIP;
396 :
397 62076 : nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
398 : struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
399 31038 : nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
400 : nla_len(mcgrp), NULL);
401 62076 : if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
402 62076 : !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
403 31038 : os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
404 : res->group,
405 : nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
406 22170 : continue;
407 8868 : res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
408 8868 : break;
409 : };
410 :
411 8868 : return NL_SKIP;
412 : }
413 :
414 :
415 8868 : static int nl_get_multicast_id(struct nl80211_global *global,
416 : const char *family, const char *group)
417 : {
418 : struct nl_msg *msg;
419 : int ret;
420 8868 : struct family_data res = { group, -ENOENT };
421 :
422 8868 : msg = nlmsg_alloc();
423 8868 : if (!msg)
424 0 : return -ENOMEM;
425 8868 : if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
426 8868 : 0, 0, CTRL_CMD_GETFAMILY, 0) ||
427 8868 : nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
428 0 : nlmsg_free(msg);
429 0 : return -1;
430 : }
431 :
432 8868 : ret = send_and_recv(global, global->nl, msg, family_handler, &res);
433 8868 : if (ret == 0)
434 8868 : ret = res.id;
435 8868 : return ret;
436 : }
437 :
438 :
439 258264 : void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
440 : struct nl_msg *msg, int flags, uint8_t cmd)
441 : {
442 258264 : return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
443 : 0, flags, cmd, 0);
444 : }
445 :
446 :
447 113266 : static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
448 : {
449 113266 : if (bss->wdev_id_set)
450 350 : return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
451 112916 : return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
452 : }
453 :
454 :
455 113266 : struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
456 : {
457 : struct nl_msg *msg;
458 :
459 113266 : msg = nlmsg_alloc();
460 113266 : if (!msg)
461 0 : return NULL;
462 :
463 226532 : if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
464 113266 : nl80211_set_iface_id(msg, bss) < 0) {
465 0 : nlmsg_free(msg);
466 0 : return NULL;
467 : }
468 :
469 113266 : return msg;
470 : }
471 :
472 :
473 : static struct nl_msg *
474 113711 : nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
475 : int flags, uint8_t cmd)
476 : {
477 : struct nl_msg *msg;
478 :
479 113711 : msg = nlmsg_alloc();
480 113711 : if (!msg)
481 0 : return NULL;
482 :
483 227422 : if (!nl80211_cmd(drv, msg, flags, cmd) ||
484 113711 : nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
485 0 : nlmsg_free(msg);
486 0 : return NULL;
487 : }
488 :
489 113711 : return msg;
490 : }
491 :
492 :
493 21884 : struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
494 : uint8_t cmd)
495 : {
496 21884 : return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
497 : }
498 :
499 :
500 47118 : struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
501 : {
502 47118 : return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
503 : }
504 :
505 :
506 : struct wiphy_idx_data {
507 : int wiphy_idx;
508 : enum nl80211_iftype nlmode;
509 : u8 *macaddr;
510 : };
511 :
512 :
513 13078 : static int netdev_info_handler(struct nl_msg *msg, void *arg)
514 : {
515 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
516 13078 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
517 13078 : struct wiphy_idx_data *info = arg;
518 :
519 13078 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
520 : genlmsg_attrlen(gnlh, 0), NULL);
521 :
522 13078 : if (tb[NL80211_ATTR_WIPHY])
523 13078 : info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
524 :
525 13078 : if (tb[NL80211_ATTR_IFTYPE])
526 13078 : info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
527 :
528 13078 : if (tb[NL80211_ATTR_MAC] && info->macaddr)
529 8 : os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
530 : ETH_ALEN);
531 :
532 13078 : return NL_SKIP;
533 : }
534 :
535 :
536 4246 : int nl80211_get_wiphy_index(struct i802_bss *bss)
537 : {
538 : struct nl_msg *msg;
539 4246 : struct wiphy_idx_data data = {
540 : .wiphy_idx = -1,
541 : .macaddr = NULL,
542 : };
543 :
544 4246 : if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
545 0 : return -1;
546 :
547 4246 : if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
548 4246 : return data.wiphy_idx;
549 0 : return -1;
550 : }
551 :
552 :
553 8887 : static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
554 : {
555 : struct nl_msg *msg;
556 8887 : struct wiphy_idx_data data = {
557 : .nlmode = NL80211_IFTYPE_UNSPECIFIED,
558 : .macaddr = NULL,
559 : };
560 :
561 8887 : if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
562 0 : return NL80211_IFTYPE_UNSPECIFIED;
563 :
564 8887 : if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
565 8824 : return data.nlmode;
566 63 : return NL80211_IFTYPE_UNSPECIFIED;
567 : }
568 :
569 :
570 8 : static int nl80211_get_macaddr(struct i802_bss *bss)
571 : {
572 : struct nl_msg *msg;
573 16 : struct wiphy_idx_data data = {
574 8 : .macaddr = bss->addr,
575 : };
576 :
577 8 : if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
578 0 : return -1;
579 :
580 8 : return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
581 : }
582 :
583 :
584 1947 : static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
585 : struct nl80211_wiphy_data *w)
586 : {
587 : struct nl_msg *msg;
588 : int ret;
589 :
590 1947 : msg = nlmsg_alloc();
591 1947 : if (!msg)
592 0 : return -1;
593 :
594 3894 : if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
595 1947 : nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
596 0 : nlmsg_free(msg);
597 0 : return -1;
598 : }
599 :
600 1947 : ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
601 1947 : if (ret) {
602 0 : wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
603 : "failed: ret=%d (%s)",
604 : ret, strerror(-ret));
605 : }
606 1947 : return ret;
607 : }
608 :
609 :
610 8630 : static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
611 : {
612 8630 : struct nl80211_wiphy_data *w = eloop_ctx;
613 : int res;
614 :
615 8630 : wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
616 :
617 8630 : res = nl_recvmsgs(handle, w->nl_cb);
618 8630 : if (res < 0) {
619 0 : wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
620 : __func__, res);
621 : }
622 8630 : }
623 :
624 :
625 8630 : static int process_beacon_event(struct nl_msg *msg, void *arg)
626 : {
627 8630 : struct nl80211_wiphy_data *w = arg;
628 : struct wpa_driver_nl80211_data *drv;
629 8630 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
630 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
631 : union wpa_event_data event;
632 :
633 8630 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
634 : genlmsg_attrlen(gnlh, 0), NULL);
635 :
636 8630 : if (gnlh->cmd != NL80211_CMD_FRAME) {
637 0 : wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
638 0 : gnlh->cmd);
639 0 : return NL_SKIP;
640 : }
641 :
642 8630 : if (!tb[NL80211_ATTR_FRAME])
643 0 : return NL_SKIP;
644 :
645 17260 : dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
646 : wiphy_list) {
647 8630 : os_memset(&event, 0, sizeof(event));
648 8630 : event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
649 8630 : event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
650 8630 : wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
651 : }
652 :
653 8630 : return NL_SKIP;
654 : }
655 :
656 :
657 : static struct nl80211_wiphy_data *
658 2113 : nl80211_get_wiphy_data_ap(struct i802_bss *bss)
659 : {
660 : static DEFINE_DL_LIST(nl80211_wiphys);
661 : struct nl80211_wiphy_data *w;
662 2113 : int wiphy_idx, found = 0;
663 : struct i802_bss *tmp_bss;
664 :
665 2113 : if (bss->wiphy_data != NULL)
666 0 : return bss->wiphy_data;
667 :
668 2113 : wiphy_idx = nl80211_get_wiphy_index(bss);
669 :
670 2477 : dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
671 530 : if (w->wiphy_idx == wiphy_idx)
672 166 : goto add;
673 : }
674 :
675 : /* alloc new one */
676 1947 : w = os_zalloc(sizeof(*w));
677 1947 : if (w == NULL)
678 0 : return NULL;
679 1947 : w->wiphy_idx = wiphy_idx;
680 1947 : dl_list_init(&w->bsss);
681 1947 : dl_list_init(&w->drvs);
682 :
683 1947 : w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
684 1947 : if (!w->nl_cb) {
685 0 : os_free(w);
686 0 : return NULL;
687 : }
688 1947 : nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
689 1947 : nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
690 : w);
691 :
692 1947 : w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
693 : "wiphy beacons");
694 1947 : if (w->nl_beacons == NULL) {
695 0 : os_free(w);
696 0 : return NULL;
697 : }
698 :
699 1947 : if (nl80211_register_beacons(bss->drv, w)) {
700 0 : nl_destroy_handles(&w->nl_beacons);
701 0 : os_free(w);
702 0 : return NULL;
703 : }
704 :
705 1947 : nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
706 :
707 1947 : dl_list_add(&nl80211_wiphys, &w->list);
708 :
709 : add:
710 : /* drv entry for this bss already there? */
711 6019 : dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
712 3948 : if (tmp_bss->drv == bss->drv) {
713 42 : found = 1;
714 42 : break;
715 : }
716 : }
717 : /* if not add it */
718 2113 : if (!found)
719 2071 : dl_list_add(&w->drvs, &bss->drv->wiphy_list);
720 :
721 2113 : dl_list_add(&w->bsss, &bss->wiphy_list);
722 2113 : bss->wiphy_data = w;
723 2113 : return w;
724 : }
725 :
726 :
727 3534 : static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
728 : {
729 3534 : struct nl80211_wiphy_data *w = bss->wiphy_data;
730 : struct i802_bss *tmp_bss;
731 3534 : int found = 0;
732 :
733 3534 : if (w == NULL)
734 1421 : return;
735 2113 : bss->wiphy_data = NULL;
736 2113 : dl_list_del(&bss->wiphy_list);
737 :
738 : /* still any for this drv present? */
739 6019 : dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
740 3948 : if (tmp_bss->drv == bss->drv) {
741 42 : found = 1;
742 42 : break;
743 : }
744 : }
745 : /* if not remove it */
746 2113 : if (!found)
747 2071 : dl_list_del(&bss->drv->wiphy_list);
748 :
749 2113 : if (!dl_list_empty(&w->bsss))
750 166 : return;
751 :
752 1947 : nl80211_destroy_eloop_handle(&w->nl_beacons);
753 :
754 1947 : nl_cb_put(w->nl_cb);
755 1947 : dl_list_del(&w->list);
756 1947 : os_free(w);
757 : }
758 :
759 :
760 18471 : static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
761 : {
762 18471 : struct i802_bss *bss = priv;
763 18471 : struct wpa_driver_nl80211_data *drv = bss->drv;
764 18471 : if (!drv->associated)
765 3516 : return -1;
766 14955 : os_memcpy(bssid, drv->bssid, ETH_ALEN);
767 14955 : return 0;
768 : }
769 :
770 :
771 4734 : static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
772 : {
773 4734 : struct i802_bss *bss = priv;
774 4734 : struct wpa_driver_nl80211_data *drv = bss->drv;
775 4734 : if (!drv->associated)
776 1 : return -1;
777 4733 : os_memcpy(ssid, drv->ssid, drv->ssid_len);
778 4733 : return drv->ssid_len;
779 : }
780 :
781 :
782 28881 : static void wpa_driver_nl80211_event_newlink(
783 : struct wpa_driver_nl80211_data *drv, const char *ifname)
784 : {
785 : union wpa_event_data event;
786 :
787 28881 : if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
788 28457 : if (if_nametoindex(drv->first_bss->ifname) == 0) {
789 20 : wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
790 20 : drv->first_bss->ifname);
791 20 : return;
792 : }
793 28437 : if (!drv->if_removed)
794 28437 : return;
795 0 : wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
796 0 : drv->first_bss->ifname);
797 0 : drv->if_removed = 0;
798 : }
799 :
800 424 : os_memset(&event, 0, sizeof(event));
801 424 : os_strlcpy(event.interface_status.ifname, ifname,
802 : sizeof(event.interface_status.ifname));
803 424 : event.interface_status.ievent = EVENT_INTERFACE_ADDED;
804 424 : wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
805 : }
806 :
807 :
808 30 : static void wpa_driver_nl80211_event_dellink(
809 : struct wpa_driver_nl80211_data *drv, const char *ifname)
810 : {
811 : union wpa_event_data event;
812 :
813 30 : if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
814 14 : if (drv->if_removed) {
815 0 : wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
816 : ifname);
817 30 : return;
818 : }
819 14 : wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
820 : ifname);
821 14 : drv->if_removed = 1;
822 : } else {
823 16 : wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
824 : ifname);
825 : }
826 :
827 30 : os_memset(&event, 0, sizeof(event));
828 30 : os_strlcpy(event.interface_status.ifname, ifname,
829 : sizeof(event.interface_status.ifname));
830 30 : event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
831 30 : wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
832 : }
833 :
834 :
835 11 : static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
836 : u8 *buf, size_t len)
837 : {
838 : int attrlen, rta_len;
839 : struct rtattr *attr;
840 :
841 11 : attrlen = len;
842 11 : attr = (struct rtattr *) buf;
843 :
844 11 : rta_len = RTA_ALIGN(sizeof(struct rtattr));
845 22 : while (RTA_OK(attr, attrlen)) {
846 11 : if (attr->rta_type == IFLA_IFNAME) {
847 11 : if (os_strcmp(((char *) attr) + rta_len,
848 : drv->first_bss->ifname) == 0)
849 0 : return 1;
850 : else
851 11 : break;
852 : }
853 0 : attr = RTA_NEXT(attr, attrlen);
854 : }
855 :
856 11 : return 0;
857 : }
858 :
859 :
860 148996 : static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
861 : int ifindex, u8 *buf, size_t len)
862 : {
863 148996 : if (drv->ifindex == ifindex)
864 28841 : return 1;
865 :
866 120155 : if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
867 0 : nl80211_check_global(drv->global);
868 0 : wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
869 : "interface");
870 0 : wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
871 0 : return 1;
872 : }
873 :
874 120155 : return 0;
875 : }
876 :
877 :
878 : static struct wpa_driver_nl80211_data *
879 162333 : nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
880 : {
881 : struct wpa_driver_nl80211_data *drv;
882 281909 : dl_list_for_each(drv, &global->interfaces,
883 : struct wpa_driver_nl80211_data, list) {
884 269151 : if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
885 120155 : have_ifidx(drv, idx))
886 29420 : return drv;
887 : }
888 132913 : return NULL;
889 : }
890 :
891 :
892 160673 : static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
893 : struct ifinfomsg *ifi,
894 : u8 *buf, size_t len)
895 : {
896 160673 : struct nl80211_global *global = ctx;
897 : struct wpa_driver_nl80211_data *drv;
898 : int attrlen;
899 : struct rtattr *attr;
900 160673 : u32 brid = 0;
901 : char namebuf[IFNAMSIZ];
902 : char ifname[IFNAMSIZ + 1];
903 : char extra[100], *pos, *end;
904 :
905 160673 : drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
906 160673 : if (!drv) {
907 131336 : wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d",
908 : ifi->ifi_index);
909 131336 : return;
910 : }
911 :
912 29337 : extra[0] = '\0';
913 29337 : pos = extra;
914 29337 : end = pos + sizeof(extra);
915 29337 : ifname[0] = '\0';
916 :
917 29337 : attrlen = len;
918 29337 : attr = (struct rtattr *) buf;
919 364725 : while (RTA_OK(attr, attrlen)) {
920 306051 : switch (attr->rta_type) {
921 : case IFLA_IFNAME:
922 29337 : if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
923 0 : break;
924 29337 : os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
925 29337 : ifname[RTA_PAYLOAD(attr)] = '\0';
926 29337 : break;
927 : case IFLA_MASTER:
928 414 : brid = nla_get_u32((struct nlattr *) attr);
929 414 : pos += os_snprintf(pos, end - pos, " master=%u", brid);
930 414 : break;
931 : case IFLA_WIRELESS:
932 14613 : pos += os_snprintf(pos, end - pos, " wext");
933 14613 : break;
934 : case IFLA_OPERSTATE:
935 14724 : pos += os_snprintf(pos, end - pos, " operstate=%u",
936 : nla_get_u32((struct nlattr *) attr));
937 14724 : break;
938 : case IFLA_LINKMODE:
939 14462 : pos += os_snprintf(pos, end - pos, " linkmode=%u",
940 : nla_get_u32((struct nlattr *) attr));
941 14462 : break;
942 : }
943 306051 : attr = RTA_NEXT(attr, attrlen);
944 : }
945 29337 : extra[sizeof(extra) - 1] = '\0';
946 :
947 146685 : wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
948 29337 : ifi->ifi_index, ifname, extra, ifi->ifi_family,
949 : ifi->ifi_flags,
950 29337 : (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
951 29337 : (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
952 29337 : (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
953 29337 : (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
954 :
955 29337 : if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
956 559 : namebuf[0] = '\0';
957 1087 : if (if_indextoname(ifi->ifi_index, namebuf) &&
958 528 : linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
959 456 : wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
960 : "event since interface %s is up", namebuf);
961 456 : drv->ignore_if_down_event = 0;
962 456 : return;
963 : }
964 103 : wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
965 : namebuf, ifname);
966 103 : if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
967 76 : wpa_printf(MSG_DEBUG,
968 : "nl80211: Not the main interface (%s) - do not indicate interface down",
969 76 : drv->first_bss->ifname);
970 27 : } else if (drv->ignore_if_down_event) {
971 0 : wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
972 : "event generated by mode change");
973 0 : drv->ignore_if_down_event = 0;
974 : } else {
975 27 : drv->if_disabled = 1;
976 27 : wpa_supplicant_event(drv->ctx,
977 : EVENT_INTERFACE_DISABLED, NULL);
978 :
979 : /*
980 : * Try to get drv again, since it may be removed as
981 : * part of the EVENT_INTERFACE_DISABLED handling for
982 : * dynamic interfaces
983 : */
984 27 : drv = nl80211_find_drv(global, ifi->ifi_index,
985 : buf, len);
986 27 : if (!drv)
987 0 : return;
988 : }
989 : }
990 :
991 28881 : if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
992 36 : if (if_indextoname(ifi->ifi_index, namebuf) &&
993 16 : linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
994 5 : wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
995 : "event since interface %s is down",
996 : namebuf);
997 15 : } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
998 4 : wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
999 : "event since interface %s does not exist",
1000 4 : drv->first_bss->ifname);
1001 11 : } else if (drv->if_removed) {
1002 0 : wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1003 : "event since interface %s is marked "
1004 0 : "removed", drv->first_bss->ifname);
1005 : } else {
1006 : struct i802_bss *bss;
1007 : u8 addr[ETH_ALEN];
1008 :
1009 : /* Re-read MAC address as it may have changed */
1010 11 : bss = get_bss_ifindex(drv, ifi->ifi_index);
1011 22 : if (bss &&
1012 11 : linux_get_ifhwaddr(drv->global->ioctl_sock,
1013 11 : bss->ifname, addr) < 0) {
1014 0 : wpa_printf(MSG_DEBUG,
1015 : "nl80211: %s: failed to re-read MAC address",
1016 0 : bss->ifname);
1017 22 : } else if (bss &&
1018 11 : os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1019 26 : wpa_printf(MSG_DEBUG,
1020 : "nl80211: Own MAC address on ifindex %d (%s) changed from "
1021 : MACSTR " to " MACSTR,
1022 2 : ifi->ifi_index, bss->ifname,
1023 12 : MAC2STR(bss->addr),
1024 12 : MAC2STR(addr));
1025 2 : os_memcpy(bss->addr, addr, ETH_ALEN);
1026 : }
1027 :
1028 11 : wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1029 11 : drv->if_disabled = 0;
1030 11 : wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1031 : NULL);
1032 : }
1033 : }
1034 :
1035 : /*
1036 : * Some drivers send the association event before the operup event--in
1037 : * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1038 : * fails. This will hit us when wpa_supplicant does not need to do
1039 : * IEEE 802.1X authentication
1040 : */
1041 36697 : if (drv->operstate == 1 &&
1042 13541 : (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1043 5725 : !(ifi->ifi_flags & IFF_RUNNING)) {
1044 652 : wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
1045 652 : netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
1046 : -1, IF_OPER_UP);
1047 : }
1048 :
1049 28881 : if (ifname[0])
1050 28881 : wpa_driver_nl80211_event_newlink(drv, ifname);
1051 :
1052 28881 : if (ifi->ifi_family == AF_BRIDGE && brid) {
1053 : struct i802_bss *bss;
1054 :
1055 : /* device has been added to bridge */
1056 261 : if (!if_indextoname(brid, namebuf)) {
1057 15 : wpa_printf(MSG_DEBUG,
1058 : "nl80211: Could not find bridge ifname for ifindex %u",
1059 : brid);
1060 15 : return;
1061 : }
1062 246 : wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1063 : brid, namebuf);
1064 246 : add_ifidx(drv, brid);
1065 :
1066 351 : for (bss = drv->first_bss; bss; bss = bss->next) {
1067 262 : if (os_strcmp(ifname, bss->ifname) == 0) {
1068 157 : os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1069 157 : break;
1070 : }
1071 : }
1072 : }
1073 : }
1074 :
1075 :
1076 1633 : static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1077 : struct ifinfomsg *ifi,
1078 : u8 *buf, size_t len)
1079 : {
1080 1633 : struct nl80211_global *global = ctx;
1081 : struct wpa_driver_nl80211_data *drv;
1082 : int attrlen;
1083 : struct rtattr *attr;
1084 1633 : u32 brid = 0;
1085 : char ifname[IFNAMSIZ + 1];
1086 : char extra[100], *pos, *end;
1087 :
1088 1633 : drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1089 1633 : if (!drv) {
1090 1577 : wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d",
1091 : ifi->ifi_index);
1092 3210 : return;
1093 : }
1094 :
1095 56 : extra[0] = '\0';
1096 56 : pos = extra;
1097 56 : end = pos + sizeof(extra);
1098 56 : ifname[0] = '\0';
1099 :
1100 56 : attrlen = len;
1101 56 : attr = (struct rtattr *) buf;
1102 828 : while (RTA_OK(attr, attrlen)) {
1103 716 : switch (attr->rta_type) {
1104 : case IFLA_IFNAME:
1105 56 : if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1106 0 : break;
1107 56 : os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1108 56 : ifname[RTA_PAYLOAD(attr)] = '\0';
1109 56 : break;
1110 : case IFLA_MASTER:
1111 26 : brid = nla_get_u32((struct nlattr *) attr);
1112 26 : pos += os_snprintf(pos, end - pos, " master=%u", brid);
1113 26 : break;
1114 : case IFLA_OPERSTATE:
1115 56 : pos += os_snprintf(pos, end - pos, " operstate=%u",
1116 : nla_get_u32((struct nlattr *) attr));
1117 56 : break;
1118 : case IFLA_LINKMODE:
1119 30 : pos += os_snprintf(pos, end - pos, " linkmode=%u",
1120 : nla_get_u32((struct nlattr *) attr));
1121 30 : break;
1122 : }
1123 716 : attr = RTA_NEXT(attr, attrlen);
1124 : }
1125 56 : extra[sizeof(extra) - 1] = '\0';
1126 :
1127 280 : wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1128 56 : ifi->ifi_index, ifname, extra, ifi->ifi_family,
1129 : ifi->ifi_flags,
1130 56 : (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1131 56 : (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1132 56 : (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1133 56 : (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1134 :
1135 56 : if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid))
1136 30 : wpa_driver_nl80211_event_dellink(drv, ifname);
1137 :
1138 56 : if (ifi->ifi_family == AF_BRIDGE && brid) {
1139 : /* device has been removed from bridge */
1140 : char namebuf[IFNAMSIZ];
1141 :
1142 26 : if (!if_indextoname(brid, namebuf)) {
1143 16 : wpa_printf(MSG_DEBUG,
1144 : "nl80211: Could not find bridge ifname for ifindex %u",
1145 : brid);
1146 : } else {
1147 10 : wpa_printf(MSG_DEBUG,
1148 : "nl80211: Remove ifindex %u for bridge %s",
1149 : brid, namebuf);
1150 : }
1151 26 : del_ifidx(drv, brid);
1152 : }
1153 : }
1154 :
1155 :
1156 313 : unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1157 : {
1158 : struct nl_msg *msg;
1159 : int ret;
1160 : struct nl80211_bss_info_arg arg;
1161 :
1162 313 : msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1163 313 : os_memset(&arg, 0, sizeof(arg));
1164 313 : arg.drv = drv;
1165 313 : ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1166 313 : if (ret == 0) {
1167 626 : unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1168 313 : arg.ibss_freq : arg.assoc_freq;
1169 313 : wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1170 : "associated BSS from scan results: %u MHz", freq);
1171 313 : if (freq)
1172 312 : drv->assoc_freq = freq;
1173 313 : return drv->assoc_freq;
1174 : }
1175 0 : wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1176 : "(%s)", ret, strerror(-ret));
1177 0 : return drv->assoc_freq;
1178 : }
1179 :
1180 :
1181 50 : static int get_link_signal(struct nl_msg *msg, void *arg)
1182 : {
1183 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
1184 50 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1185 : struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1186 : static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1187 : [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
1188 : [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
1189 : [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
1190 : };
1191 : struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1192 : static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1193 : [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1194 : [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1195 : [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1196 : [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1197 : };
1198 50 : struct wpa_signal_info *sig_change = arg;
1199 :
1200 50 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1201 : genlmsg_attrlen(gnlh, 0), NULL);
1202 100 : if (!tb[NL80211_ATTR_STA_INFO] ||
1203 50 : nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1204 : tb[NL80211_ATTR_STA_INFO], policy))
1205 0 : return NL_SKIP;
1206 50 : if (!sinfo[NL80211_STA_INFO_SIGNAL])
1207 0 : return NL_SKIP;
1208 :
1209 50 : sig_change->current_signal =
1210 50 : (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1211 :
1212 50 : if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1213 50 : sig_change->avg_signal =
1214 50 : (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1215 : else
1216 0 : sig_change->avg_signal = 0;
1217 :
1218 50 : if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1219 50 : sig_change->avg_beacon_signal =
1220 50 : (s8)
1221 50 : nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1222 : else
1223 0 : sig_change->avg_beacon_signal = 0;
1224 :
1225 50 : if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1226 50 : if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1227 : sinfo[NL80211_STA_INFO_TX_BITRATE],
1228 : rate_policy)) {
1229 0 : sig_change->current_txrate = 0;
1230 : } else {
1231 50 : if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1232 50 : sig_change->current_txrate =
1233 50 : nla_get_u16(rinfo[
1234 50 : NL80211_RATE_INFO_BITRATE]) * 100;
1235 : }
1236 : }
1237 : }
1238 :
1239 50 : return NL_SKIP;
1240 : }
1241 :
1242 :
1243 50 : int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1244 : struct wpa_signal_info *sig)
1245 : {
1246 : struct nl_msg *msg;
1247 :
1248 50 : sig->current_signal = -9999;
1249 50 : sig->current_txrate = 0;
1250 :
1251 100 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
1252 50 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1253 0 : nlmsg_free(msg);
1254 0 : return -ENOBUFS;
1255 : }
1256 :
1257 50 : return send_and_recv_msgs(drv, msg, get_link_signal, sig);
1258 : }
1259 :
1260 :
1261 50 : static int get_link_noise(struct nl_msg *msg, void *arg)
1262 : {
1263 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
1264 50 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1265 : struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1266 : static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1267 : [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1268 : [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1269 : };
1270 50 : struct wpa_signal_info *sig_change = arg;
1271 :
1272 50 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1273 : genlmsg_attrlen(gnlh, 0), NULL);
1274 :
1275 50 : if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1276 0 : wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1277 0 : return NL_SKIP;
1278 : }
1279 :
1280 50 : if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1281 : tb[NL80211_ATTR_SURVEY_INFO],
1282 : survey_policy)) {
1283 0 : wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1284 : "attributes!");
1285 0 : return NL_SKIP;
1286 : }
1287 :
1288 50 : if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1289 0 : return NL_SKIP;
1290 :
1291 100 : if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1292 50 : sig_change->frequency)
1293 0 : return NL_SKIP;
1294 :
1295 50 : if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1296 0 : return NL_SKIP;
1297 :
1298 50 : sig_change->current_noise =
1299 50 : (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1300 :
1301 50 : return NL_SKIP;
1302 : }
1303 :
1304 :
1305 50 : int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1306 : struct wpa_signal_info *sig_change)
1307 : {
1308 : struct nl_msg *msg;
1309 :
1310 50 : sig_change->current_noise = 9999;
1311 50 : sig_change->frequency = drv->assoc_freq;
1312 :
1313 50 : msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
1314 50 : return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
1315 : }
1316 :
1317 :
1318 322760 : static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
1319 : void *handle)
1320 : {
1321 322760 : struct nl_cb *cb = eloop_ctx;
1322 : int res;
1323 :
1324 322760 : wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
1325 :
1326 322760 : res = nl_recvmsgs(handle, cb);
1327 322760 : if (res < 0) {
1328 0 : wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1329 : __func__, res);
1330 : }
1331 322760 : }
1332 :
1333 :
1334 : /**
1335 : * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1336 : * @priv: driver_nl80211 private data
1337 : * @alpha2_arg: country to which to switch to
1338 : * Returns: 0 on success, -1 on failure
1339 : *
1340 : * This asks nl80211 to set the regulatory domain for given
1341 : * country ISO / IEC alpha2.
1342 : */
1343 346 : static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1344 : {
1345 346 : struct i802_bss *bss = priv;
1346 346 : struct wpa_driver_nl80211_data *drv = bss->drv;
1347 : char alpha2[3];
1348 : struct nl_msg *msg;
1349 :
1350 346 : msg = nlmsg_alloc();
1351 346 : if (!msg)
1352 0 : return -ENOMEM;
1353 :
1354 346 : alpha2[0] = alpha2_arg[0];
1355 346 : alpha2[1] = alpha2_arg[1];
1356 346 : alpha2[2] = '\0';
1357 :
1358 692 : if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1359 346 : nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1360 0 : nlmsg_free(msg);
1361 0 : return -EINVAL;
1362 : }
1363 346 : if (send_and_recv_msgs(drv, msg, NULL, NULL))
1364 0 : return -EINVAL;
1365 346 : return 0;
1366 : }
1367 :
1368 :
1369 339 : static int nl80211_get_country(struct nl_msg *msg, void *arg)
1370 : {
1371 339 : char *alpha2 = arg;
1372 : struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1373 339 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1374 :
1375 339 : nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1376 : genlmsg_attrlen(gnlh, 0), NULL);
1377 339 : if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1378 0 : wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1379 0 : return NL_SKIP;
1380 : }
1381 339 : os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1382 339 : return NL_SKIP;
1383 : }
1384 :
1385 :
1386 339 : static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1387 : {
1388 339 : struct i802_bss *bss = priv;
1389 339 : struct wpa_driver_nl80211_data *drv = bss->drv;
1390 : struct nl_msg *msg;
1391 : int ret;
1392 :
1393 339 : msg = nlmsg_alloc();
1394 339 : if (!msg)
1395 0 : return -ENOMEM;
1396 :
1397 339 : nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1398 339 : alpha2[0] = '\0';
1399 339 : ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1400 339 : if (!alpha2[0])
1401 0 : ret = -1;
1402 :
1403 339 : return ret;
1404 : }
1405 :
1406 :
1407 46 : static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1408 : {
1409 : int ret;
1410 :
1411 46 : global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1412 46 : if (global->nl_cb == NULL) {
1413 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1414 : "callbacks");
1415 0 : return -1;
1416 : }
1417 :
1418 46 : global->nl = nl_create_handle(global->nl_cb, "nl");
1419 46 : if (global->nl == NULL)
1420 0 : goto err;
1421 :
1422 46 : global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
1423 46 : if (global->nl80211_id < 0) {
1424 0 : wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1425 : "found");
1426 0 : goto err;
1427 : }
1428 :
1429 46 : global->nl_event = nl_create_handle(global->nl_cb, "event");
1430 46 : if (global->nl_event == NULL)
1431 0 : goto err;
1432 :
1433 46 : ret = nl_get_multicast_id(global, "nl80211", "scan");
1434 46 : if (ret >= 0)
1435 46 : ret = nl_socket_add_membership(global->nl_event, ret);
1436 46 : if (ret < 0) {
1437 0 : wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1438 : "membership for scan events: %d (%s)",
1439 : ret, strerror(-ret));
1440 0 : goto err;
1441 : }
1442 :
1443 46 : ret = nl_get_multicast_id(global, "nl80211", "mlme");
1444 46 : if (ret >= 0)
1445 46 : ret = nl_socket_add_membership(global->nl_event, ret);
1446 46 : if (ret < 0) {
1447 0 : wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1448 : "membership for mlme events: %d (%s)",
1449 : ret, strerror(-ret));
1450 0 : goto err;
1451 : }
1452 :
1453 46 : ret = nl_get_multicast_id(global, "nl80211", "regulatory");
1454 46 : if (ret >= 0)
1455 46 : ret = nl_socket_add_membership(global->nl_event, ret);
1456 46 : if (ret < 0) {
1457 0 : wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1458 : "membership for regulatory events: %d (%s)",
1459 : ret, strerror(-ret));
1460 : /* Continue without regulatory events */
1461 : }
1462 :
1463 46 : ret = nl_get_multicast_id(global, "nl80211", "vendor");
1464 46 : if (ret >= 0)
1465 46 : ret = nl_socket_add_membership(global->nl_event, ret);
1466 46 : if (ret < 0) {
1467 0 : wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1468 : "membership for vendor events: %d (%s)",
1469 : ret, strerror(-ret));
1470 : /* Continue without vendor events */
1471 : }
1472 :
1473 46 : nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1474 : no_seq_check, NULL);
1475 46 : nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1476 : process_global_event, global);
1477 :
1478 46 : nl80211_register_eloop_read(&global->nl_event,
1479 : wpa_driver_nl80211_event_receive,
1480 46 : global->nl_cb);
1481 :
1482 46 : return 0;
1483 :
1484 : err:
1485 0 : nl_destroy_handles(&global->nl_event);
1486 0 : nl_destroy_handles(&global->nl);
1487 0 : nl_cb_put(global->nl_cb);
1488 0 : global->nl_cb = NULL;
1489 0 : return -1;
1490 : }
1491 :
1492 :
1493 2171 : static void nl80211_check_global(struct nl80211_global *global)
1494 : {
1495 : struct nl_handle *handle;
1496 2171 : const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1497 : int ret;
1498 : unsigned int i;
1499 :
1500 : /*
1501 : * Try to re-add memberships to handle case of cfg80211 getting reloaded
1502 : * and all registration having been cleared.
1503 : */
1504 2171 : handle = (void *) (((intptr_t) global->nl_event) ^
1505 : ELOOP_SOCKET_INVALID);
1506 :
1507 10855 : for (i = 0; groups[i]; i++) {
1508 8684 : ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1509 8684 : if (ret >= 0)
1510 8684 : ret = nl_socket_add_membership(handle, ret);
1511 8684 : if (ret < 0) {
1512 0 : wpa_printf(MSG_INFO,
1513 : "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1514 : groups[i], ret, strerror(-ret));
1515 : }
1516 : }
1517 2171 : }
1518 :
1519 :
1520 27 : static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1521 : {
1522 27 : wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
1523 : /*
1524 : * This may be for any interface; use ifdown event to disable
1525 : * interface.
1526 : */
1527 27 : }
1528 :
1529 :
1530 26 : static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1531 : {
1532 26 : struct wpa_driver_nl80211_data *drv = ctx;
1533 26 : wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
1534 26 : if (i802_set_iface_flags(drv->first_bss, 1)) {
1535 0 : wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1536 : "after rfkill unblock");
1537 0 : return;
1538 : }
1539 : /* rtnetlink ifup handler will report interface as enabled */
1540 : }
1541 :
1542 :
1543 11096 : static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1544 : void *eloop_ctx,
1545 : void *handle)
1546 : {
1547 11096 : struct wpa_driver_nl80211_data *drv = eloop_ctx;
1548 : u8 data[2048];
1549 : struct msghdr msg;
1550 : struct iovec entry;
1551 : u8 control[512];
1552 : struct cmsghdr *cmsg;
1553 11096 : int res, found_ee = 0, found_wifi = 0, acked = 0;
1554 : union wpa_event_data event;
1555 :
1556 11096 : memset(&msg, 0, sizeof(msg));
1557 11096 : msg.msg_iov = &entry;
1558 11096 : msg.msg_iovlen = 1;
1559 11096 : entry.iov_base = data;
1560 11096 : entry.iov_len = sizeof(data);
1561 11096 : msg.msg_control = &control;
1562 11096 : msg.msg_controllen = sizeof(control);
1563 :
1564 11096 : res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1565 : /* if error or not fitting 802.3 header, return */
1566 11096 : if (res < 14)
1567 0 : return;
1568 :
1569 33288 : for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1570 : {
1571 33288 : if (cmsg->cmsg_level == SOL_SOCKET &&
1572 11096 : cmsg->cmsg_type == SCM_WIFI_STATUS) {
1573 : int *ack;
1574 :
1575 11096 : found_wifi = 1;
1576 11096 : ack = (void *)CMSG_DATA(cmsg);
1577 11096 : acked = *ack;
1578 : }
1579 :
1580 33288 : if (cmsg->cmsg_level == SOL_PACKET &&
1581 11096 : cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1582 11096 : struct sock_extended_err *err =
1583 : (struct sock_extended_err *)CMSG_DATA(cmsg);
1584 :
1585 11096 : if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1586 11096 : found_ee = 1;
1587 : }
1588 : }
1589 :
1590 11096 : if (!found_ee || !found_wifi)
1591 0 : return;
1592 :
1593 11096 : memset(&event, 0, sizeof(event));
1594 11096 : event.eapol_tx_status.dst = data;
1595 11096 : event.eapol_tx_status.data = data + 14;
1596 11096 : event.eapol_tx_status.data_len = res - 14;
1597 11096 : event.eapol_tx_status.ack = acked;
1598 11096 : wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1599 : }
1600 :
1601 :
1602 2221 : static int nl80211_init_bss(struct i802_bss *bss)
1603 : {
1604 2221 : bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1605 2221 : if (!bss->nl_cb)
1606 0 : return -1;
1607 :
1608 2221 : nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1609 : no_seq_check, NULL);
1610 2221 : nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1611 : process_bss_event, bss);
1612 :
1613 2221 : return 0;
1614 : }
1615 :
1616 :
1617 2221 : static void nl80211_destroy_bss(struct i802_bss *bss)
1618 : {
1619 2221 : nl_cb_put(bss->nl_cb);
1620 2221 : bss->nl_cb = NULL;
1621 2221 : }
1622 :
1623 :
1624 2186 : static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1625 : void *global_priv, int hostapd,
1626 : const u8 *set_addr,
1627 : const char *driver_params)
1628 : {
1629 : struct wpa_driver_nl80211_data *drv;
1630 : struct rfkill_config *rcfg;
1631 : struct i802_bss *bss;
1632 :
1633 2186 : if (global_priv == NULL)
1634 0 : return NULL;
1635 2186 : drv = os_zalloc(sizeof(*drv));
1636 2186 : if (drv == NULL)
1637 4 : return NULL;
1638 2182 : drv->global = global_priv;
1639 2182 : drv->ctx = ctx;
1640 2182 : drv->hostapd = !!hostapd;
1641 2182 : drv->eapol_sock = -1;
1642 :
1643 : /*
1644 : * There is no driver capability flag for this, so assume it is
1645 : * supported and disable this on first attempt to use if the driver
1646 : * rejects the command due to missing support.
1647 : */
1648 2182 : drv->set_rekey_offload = 1;
1649 :
1650 2182 : drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1651 2182 : drv->if_indices = drv->default_if_indices;
1652 :
1653 2182 : drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1654 2182 : if (!drv->first_bss) {
1655 4 : os_free(drv);
1656 4 : return NULL;
1657 : }
1658 2178 : bss = drv->first_bss;
1659 2178 : bss->drv = drv;
1660 2178 : bss->ctx = ctx;
1661 :
1662 2178 : os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
1663 2178 : drv->monitor_ifidx = -1;
1664 2178 : drv->monitor_sock = -1;
1665 2178 : drv->eapol_tx_sock = -1;
1666 2178 : drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
1667 :
1668 2178 : if (nl80211_init_bss(bss))
1669 0 : goto failed;
1670 :
1671 2178 : rcfg = os_zalloc(sizeof(*rcfg));
1672 2178 : if (rcfg == NULL)
1673 4 : goto failed;
1674 2174 : rcfg->ctx = drv;
1675 2174 : os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
1676 2174 : rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1677 2174 : rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1678 2174 : drv->rfkill = rfkill_init(rcfg);
1679 2174 : if (drv->rfkill == NULL) {
1680 3 : wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1681 3 : os_free(rcfg);
1682 : }
1683 :
1684 2174 : if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0)
1685 0 : drv->start_iface_up = 1;
1686 :
1687 2174 : if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
1688 3 : goto failed;
1689 :
1690 2171 : drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
1691 2171 : if (drv->eapol_tx_sock < 0)
1692 0 : goto failed;
1693 :
1694 2171 : if (drv->data_tx_status) {
1695 2171 : int enabled = 1;
1696 :
1697 2171 : if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1698 : &enabled, sizeof(enabled)) < 0) {
1699 0 : wpa_printf(MSG_DEBUG,
1700 : "nl80211: wifi status sockopt failed\n");
1701 0 : drv->data_tx_status = 0;
1702 0 : if (!drv->use_monitor)
1703 0 : drv->capa.flags &=
1704 : ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1705 : } else {
1706 2171 : eloop_register_read_sock(drv->eapol_tx_sock,
1707 : wpa_driver_nl80211_handle_eapol_tx_status,
1708 : drv, NULL);
1709 : }
1710 : }
1711 :
1712 2171 : if (drv->global) {
1713 2171 : nl80211_check_global(drv->global);
1714 2171 : dl_list_add(&drv->global->interfaces, &drv->list);
1715 2171 : drv->in_interface_list = 1;
1716 : }
1717 :
1718 2171 : return bss;
1719 :
1720 : failed:
1721 7 : wpa_driver_nl80211_deinit(bss);
1722 7 : return NULL;
1723 : }
1724 :
1725 :
1726 : /**
1727 : * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1728 : * @ctx: context to be used when calling wpa_supplicant functions,
1729 : * e.g., wpa_supplicant_event()
1730 : * @ifname: interface name, e.g., wlan0
1731 : * @global_priv: private driver global data from global_init()
1732 : * Returns: Pointer to private data, %NULL on failure
1733 : */
1734 535 : static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1735 : void *global_priv)
1736 : {
1737 535 : return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1738 : NULL);
1739 : }
1740 :
1741 :
1742 45380 : static int nl80211_register_frame(struct i802_bss *bss,
1743 : struct nl_handle *nl_handle,
1744 : u16 type, const u8 *match, size_t match_len)
1745 : {
1746 45380 : struct wpa_driver_nl80211_data *drv = bss->drv;
1747 : struct nl_msg *msg;
1748 : int ret;
1749 : char buf[30];
1750 :
1751 45380 : buf[0] = '\0';
1752 45380 : wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
1753 45380 : wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1754 : type, fc2str(type), nl_handle, buf);
1755 :
1756 90760 : if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
1757 90760 : nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1758 45380 : nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1759 0 : nlmsg_free(msg);
1760 0 : return -1;
1761 : }
1762 :
1763 45380 : ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
1764 45380 : if (ret) {
1765 5 : wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1766 : "failed (type=%u): ret=%d (%s)",
1767 : type, ret, strerror(-ret));
1768 5 : wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
1769 : match, match_len);
1770 : }
1771 45380 : return ret;
1772 : }
1773 :
1774 :
1775 3534 : static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1776 : {
1777 3534 : if (bss->nl_mgmt) {
1778 0 : wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
1779 : "already on! (nl_mgmt=%p)", bss->nl_mgmt);
1780 0 : return -1;
1781 : }
1782 :
1783 3534 : bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
1784 3534 : if (bss->nl_mgmt == NULL)
1785 0 : return -1;
1786 :
1787 3534 : return 0;
1788 : }
1789 :
1790 :
1791 3534 : static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1792 : {
1793 3534 : nl80211_register_eloop_read(&bss->nl_mgmt,
1794 : wpa_driver_nl80211_event_receive,
1795 3534 : bss->nl_cb);
1796 3534 : }
1797 :
1798 :
1799 29139 : static int nl80211_register_action_frame(struct i802_bss *bss,
1800 : const u8 *match, size_t match_len)
1801 : {
1802 29139 : u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
1803 29139 : return nl80211_register_frame(bss, bss->nl_mgmt,
1804 : type, match, match_len);
1805 : }
1806 :
1807 :
1808 1382 : static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
1809 : {
1810 1382 : struct wpa_driver_nl80211_data *drv = bss->drv;
1811 1382 : int ret = 0;
1812 :
1813 1382 : if (nl80211_alloc_mgmt_handle(bss))
1814 0 : return -1;
1815 1382 : wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
1816 : "handle %p", bss->nl_mgmt);
1817 :
1818 1382 : if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
1819 21 : u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1820 :
1821 : /* register for any AUTH message */
1822 21 : nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
1823 : }
1824 :
1825 : #ifdef CONFIG_INTERWORKING
1826 : /* QoS Map Configure */
1827 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
1828 0 : ret = -1;
1829 : #endif /* CONFIG_INTERWORKING */
1830 : #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
1831 : /* GAS Initial Request */
1832 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
1833 0 : ret = -1;
1834 : /* GAS Initial Response */
1835 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
1836 0 : ret = -1;
1837 : /* GAS Comeback Request */
1838 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
1839 0 : ret = -1;
1840 : /* GAS Comeback Response */
1841 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
1842 0 : ret = -1;
1843 : /* Protected GAS Initial Request */
1844 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
1845 0 : ret = -1;
1846 : /* Protected GAS Initial Response */
1847 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
1848 0 : ret = -1;
1849 : /* Protected GAS Comeback Request */
1850 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
1851 0 : ret = -1;
1852 : /* Protected GAS Comeback Response */
1853 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
1854 0 : ret = -1;
1855 : #endif /* CONFIG_P2P || CONFIG_INTERWORKING */
1856 : #ifdef CONFIG_P2P
1857 : /* P2P Public Action */
1858 1382 : if (nl80211_register_action_frame(bss,
1859 : (u8 *) "\x04\x09\x50\x6f\x9a\x09",
1860 : 6) < 0)
1861 0 : ret = -1;
1862 : /* P2P Action */
1863 1382 : if (nl80211_register_action_frame(bss,
1864 : (u8 *) "\x7f\x50\x6f\x9a\x09",
1865 : 5) < 0)
1866 0 : ret = -1;
1867 : #endif /* CONFIG_P2P */
1868 : #ifdef CONFIG_IEEE80211W
1869 : /* SA Query Response */
1870 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
1871 0 : ret = -1;
1872 : #endif /* CONFIG_IEEE80211W */
1873 : #ifdef CONFIG_TDLS
1874 1382 : if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
1875 : /* TDLS Discovery Response */
1876 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
1877 : 0)
1878 0 : ret = -1;
1879 : }
1880 : #endif /* CONFIG_TDLS */
1881 : #ifdef CONFIG_FST
1882 : /* FST Action frames */
1883 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
1884 0 : ret = -1;
1885 : #endif /* CONFIG_FST */
1886 :
1887 : /* FT Action frames */
1888 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
1889 0 : ret = -1;
1890 : else
1891 1382 : drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
1892 : WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
1893 :
1894 : /* WNM - BSS Transition Management Request */
1895 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
1896 0 : ret = -1;
1897 : /* WNM-Sleep Mode Response */
1898 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
1899 0 : ret = -1;
1900 :
1901 : #ifdef CONFIG_HS20
1902 : /* WNM-Notification */
1903 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
1904 0 : ret = -1;
1905 : #endif /* CONFIG_HS20 */
1906 :
1907 : /* WMM-AC ADDTS Response */
1908 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
1909 0 : ret = -1;
1910 :
1911 : /* WMM-AC DELTS */
1912 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
1913 0 : ret = -1;
1914 :
1915 : /* Radio Measurement - Neighbor Report Response */
1916 1382 : if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
1917 0 : ret = -1;
1918 :
1919 : /* Radio Measurement - Link Measurement Request */
1920 1382 : if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
1921 0 : (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
1922 0 : ret = -1;
1923 :
1924 1382 : nl80211_mgmt_handle_register_eloop(bss);
1925 :
1926 1382 : return ret;
1927 : }
1928 :
1929 :
1930 39 : static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
1931 : {
1932 39 : int ret = 0;
1933 :
1934 39 : if (nl80211_alloc_mgmt_handle(bss))
1935 0 : return -1;
1936 :
1937 39 : wpa_printf(MSG_DEBUG,
1938 : "nl80211: Subscribe to mgmt frames with mesh handle %p",
1939 : bss->nl_mgmt);
1940 :
1941 : /* Auth frames for mesh SAE */
1942 39 : if (nl80211_register_frame(bss, bss->nl_mgmt,
1943 : (WLAN_FC_TYPE_MGMT << 2) |
1944 : (WLAN_FC_STYPE_AUTH << 4),
1945 : NULL, 0) < 0)
1946 0 : ret = -1;
1947 :
1948 : /* Mesh peering open */
1949 39 : if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
1950 0 : ret = -1;
1951 : /* Mesh peering confirm */
1952 39 : if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
1953 0 : ret = -1;
1954 : /* Mesh peering close */
1955 39 : if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
1956 0 : ret = -1;
1957 :
1958 39 : nl80211_mgmt_handle_register_eloop(bss);
1959 :
1960 39 : return ret;
1961 : }
1962 :
1963 :
1964 2113 : static int nl80211_register_spurious_class3(struct i802_bss *bss)
1965 : {
1966 : struct nl_msg *msg;
1967 : int ret;
1968 :
1969 2113 : msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
1970 2113 : ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
1971 2113 : if (ret) {
1972 0 : wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
1973 : "failed: ret=%d (%s)",
1974 : ret, strerror(-ret));
1975 : }
1976 2113 : return ret;
1977 : }
1978 :
1979 :
1980 2113 : static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
1981 : {
1982 : static const int stypes[] = {
1983 : WLAN_FC_STYPE_AUTH,
1984 : WLAN_FC_STYPE_ASSOC_REQ,
1985 : WLAN_FC_STYPE_REASSOC_REQ,
1986 : WLAN_FC_STYPE_DISASSOC,
1987 : WLAN_FC_STYPE_DEAUTH,
1988 : WLAN_FC_STYPE_ACTION,
1989 : WLAN_FC_STYPE_PROBE_REQ,
1990 : /* Beacon doesn't work as mac80211 doesn't currently allow
1991 : * it, but it wouldn't really be the right thing anyway as
1992 : * it isn't per interface ... maybe just dump the scan
1993 : * results periodically for OLBC?
1994 : */
1995 : /* WLAN_FC_STYPE_BEACON, */
1996 : };
1997 : unsigned int i;
1998 :
1999 2113 : if (nl80211_alloc_mgmt_handle(bss))
2000 0 : return -1;
2001 2113 : wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2002 : "handle %p", bss->nl_mgmt);
2003 :
2004 16904 : for (i = 0; i < ARRAY_SIZE(stypes); i++) {
2005 14791 : if (nl80211_register_frame(bss, bss->nl_mgmt,
2006 : (WLAN_FC_TYPE_MGMT << 2) |
2007 14791 : (stypes[i] << 4),
2008 : NULL, 0) < 0) {
2009 0 : goto out_err;
2010 : }
2011 : }
2012 :
2013 2113 : if (nl80211_register_spurious_class3(bss))
2014 0 : goto out_err;
2015 :
2016 2113 : if (nl80211_get_wiphy_data_ap(bss) == NULL)
2017 0 : goto out_err;
2018 :
2019 2113 : nl80211_mgmt_handle_register_eloop(bss);
2020 2113 : return 0;
2021 :
2022 : out_err:
2023 0 : nl_destroy_handles(&bss->nl_mgmt);
2024 0 : return -1;
2025 : }
2026 :
2027 :
2028 0 : static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2029 : {
2030 0 : if (nl80211_alloc_mgmt_handle(bss))
2031 0 : return -1;
2032 0 : wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2033 : "handle %p (device SME)", bss->nl_mgmt);
2034 :
2035 0 : if (nl80211_register_frame(bss, bss->nl_mgmt,
2036 : (WLAN_FC_TYPE_MGMT << 2) |
2037 : (WLAN_FC_STYPE_ACTION << 4),
2038 : NULL, 0) < 0)
2039 0 : goto out_err;
2040 :
2041 0 : nl80211_mgmt_handle_register_eloop(bss);
2042 0 : return 0;
2043 :
2044 : out_err:
2045 0 : nl_destroy_handles(&bss->nl_mgmt);
2046 0 : return -1;
2047 : }
2048 :
2049 :
2050 7853 : static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
2051 : {
2052 7853 : if (bss->nl_mgmt == NULL)
2053 12172 : return;
2054 3534 : wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2055 : "(%s)", bss->nl_mgmt, reason);
2056 3534 : nl80211_destroy_eloop_handle(&bss->nl_mgmt);
2057 :
2058 3534 : nl80211_put_wiphy_data_ap(bss);
2059 : }
2060 :
2061 :
2062 1 : static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2063 : {
2064 1 : wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2065 1 : }
2066 :
2067 :
2068 8 : static void nl80211_del_p2pdev(struct i802_bss *bss)
2069 : {
2070 : struct nl_msg *msg;
2071 : int ret;
2072 :
2073 8 : msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2074 8 : ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2075 :
2076 16 : wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2077 8 : bss->ifname, (long long unsigned int) bss->wdev_id,
2078 : strerror(-ret));
2079 8 : }
2080 :
2081 :
2082 8 : static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
2083 : {
2084 : struct nl_msg *msg;
2085 : int ret;
2086 :
2087 8 : msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2088 : NL80211_CMD_STOP_P2P_DEVICE);
2089 8 : ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2090 :
2091 16 : wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2092 : start ? "Start" : "Stop",
2093 8 : bss->ifname, (long long unsigned int) bss->wdev_id,
2094 : strerror(-ret));
2095 8 : return ret;
2096 : }
2097 :
2098 :
2099 4442 : static int i802_set_iface_flags(struct i802_bss *bss, int up)
2100 : {
2101 : enum nl80211_iftype nlmode;
2102 :
2103 4442 : nlmode = nl80211_get_ifmode(bss);
2104 4442 : if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2105 4434 : return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2106 4434 : bss->ifname, up);
2107 : }
2108 :
2109 : /* P2P Device has start/stop which is equivalent */
2110 8 : return nl80211_set_p2pdev(bss, up);
2111 : }
2112 :
2113 :
2114 : #ifdef CONFIG_TESTING_OPTIONS
2115 2163 : static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2116 : {
2117 : /* struct wpa_driver_nl80211_data *drv = arg; */
2118 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
2119 2163 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2120 :
2121 :
2122 2163 : wpa_printf(MSG_DEBUG,
2123 : "nl80211: QCA vendor test command response received");
2124 :
2125 2163 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2126 : genlmsg_attrlen(gnlh, 0), NULL);
2127 2163 : if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2128 0 : wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2129 0 : return NL_SKIP;
2130 : }
2131 :
2132 4326 : wpa_hexdump(MSG_DEBUG,
2133 : "nl80211: Received QCA vendor test command response",
2134 2163 : nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2135 2163 : nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2136 :
2137 2163 : return NL_SKIP;
2138 : }
2139 : #endif /* CONFIG_TESTING_OPTIONS */
2140 :
2141 :
2142 2163 : static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2143 : {
2144 : #ifdef CONFIG_TESTING_OPTIONS
2145 : struct nl_msg *msg;
2146 : struct nlattr *params;
2147 : int ret;
2148 :
2149 4326 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2150 4326 : nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2151 2163 : nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2152 2163 : QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2153 2163 : !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2154 2163 : nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2155 0 : nlmsg_free(msg);
2156 2163 : return;
2157 : }
2158 2163 : nla_nest_end(msg, params);
2159 :
2160 2163 : ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2161 2163 : wpa_printf(MSG_DEBUG,
2162 : "nl80211: QCA vendor test command returned %d (%s)",
2163 : ret, strerror(-ret));
2164 : #endif /* CONFIG_TESTING_OPTIONS */
2165 : }
2166 :
2167 :
2168 : static int
2169 2174 : wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
2170 : const u8 *set_addr, int first,
2171 : const char *driver_params)
2172 : {
2173 2174 : struct i802_bss *bss = drv->first_bss;
2174 2174 : int send_rfkill_event = 0;
2175 : enum nl80211_iftype nlmode;
2176 :
2177 2174 : drv->ifindex = if_nametoindex(bss->ifname);
2178 2174 : bss->ifindex = drv->ifindex;
2179 2174 : bss->wdev_id = drv->global->if_add_wdevid;
2180 2174 : bss->wdev_id_set = drv->global->if_add_wdevid_set;
2181 :
2182 2174 : bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2183 2174 : bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
2184 2174 : drv->global->if_add_wdevid_set = 0;
2185 :
2186 2174 : if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2187 3 : bss->static_ap = 1;
2188 :
2189 2174 : if (wpa_driver_nl80211_capa(drv))
2190 3 : return -1;
2191 :
2192 2171 : if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2193 0 : return -1;
2194 :
2195 2171 : wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2196 2171 : bss->ifname, drv->phyname);
2197 :
2198 2219 : if (set_addr &&
2199 96 : (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2200 48 : linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2201 : set_addr)))
2202 0 : return -1;
2203 :
2204 2171 : if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2205 3 : drv->start_mode_ap = 1;
2206 :
2207 2171 : if (drv->hostapd || bss->static_ap)
2208 1639 : nlmode = NL80211_IFTYPE_AP;
2209 532 : else if (bss->if_dynamic)
2210 159 : nlmode = nl80211_get_ifmode(bss);
2211 : else
2212 373 : nlmode = NL80211_IFTYPE_STATION;
2213 :
2214 2171 : if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
2215 0 : wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
2216 0 : return -1;
2217 : }
2218 :
2219 2171 : if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2220 8 : nl80211_get_macaddr(bss);
2221 :
2222 2171 : if (!rfkill_is_blocked(drv->rfkill)) {
2223 2169 : int ret = i802_set_iface_flags(bss, 1);
2224 2169 : if (ret) {
2225 0 : wpa_printf(MSG_ERROR, "nl80211: Could not set "
2226 0 : "interface '%s' UP", bss->ifname);
2227 0 : return ret;
2228 : }
2229 2169 : if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2230 8 : return ret;
2231 : } else {
2232 2 : wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2233 2 : "interface '%s' due to rfkill", bss->ifname);
2234 2 : if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2235 0 : return 0;
2236 2 : drv->if_disabled = 1;
2237 2 : send_rfkill_event = 1;
2238 : }
2239 :
2240 2163 : if (!drv->hostapd)
2241 524 : netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2242 : 1, IF_OPER_DORMANT);
2243 :
2244 2163 : if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2245 2163 : bss->addr))
2246 0 : return -1;
2247 2163 : os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2248 :
2249 2163 : if (send_rfkill_event) {
2250 2 : eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2251 : drv, drv->ctx);
2252 : }
2253 :
2254 2163 : if (drv->vendor_cmd_test_avail)
2255 2163 : qca_vendor_test(drv);
2256 :
2257 2163 : return 0;
2258 : }
2259 :
2260 :
2261 2083 : static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
2262 : {
2263 : struct nl_msg *msg;
2264 :
2265 2083 : wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2266 : drv->ifindex);
2267 2083 : msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
2268 2083 : return send_and_recv_msgs(drv, msg, NULL, NULL);
2269 : }
2270 :
2271 :
2272 : /**
2273 : * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
2274 : * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
2275 : *
2276 : * Shut down driver interface and processing of driver events. Free
2277 : * private data buffer if one was allocated in wpa_driver_nl80211_init().
2278 : */
2279 2178 : static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
2280 : {
2281 2178 : struct wpa_driver_nl80211_data *drv = bss->drv;
2282 :
2283 4356 : wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2284 4356 : bss->ifname, drv->disabled_11b_rates);
2285 :
2286 2178 : bss->in_deinit = 1;
2287 2178 : if (drv->data_tx_status)
2288 2171 : eloop_unregister_read_sock(drv->eapol_tx_sock);
2289 2178 : if (drv->eapol_tx_sock >= 0)
2290 2171 : close(drv->eapol_tx_sock);
2291 :
2292 2178 : if (bss->nl_preq)
2293 0 : wpa_driver_nl80211_probe_req_report(bss, 0);
2294 2178 : if (bss->added_if_into_bridge) {
2295 19 : if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2296 19 : bss->ifname) < 0)
2297 34 : wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2298 : "interface %s from bridge %s: %s",
2299 34 : bss->ifname, bss->brname, strerror(errno));
2300 19 : if (drv->rtnl_sk)
2301 19 : nl80211_handle_destroy(drv->rtnl_sk);
2302 : }
2303 2178 : if (bss->added_bridge) {
2304 12 : if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2305 : 0) < 0)
2306 10 : wpa_printf(MSG_INFO,
2307 : "nl80211: Could not set bridge %s down",
2308 10 : bss->brname);
2309 12 : if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
2310 20 : wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2311 : "bridge %s: %s",
2312 20 : bss->brname, strerror(errno));
2313 : }
2314 :
2315 2178 : nl80211_remove_monitor_interface(drv);
2316 :
2317 2178 : if (is_ap_interface(drv->nlmode))
2318 1743 : wpa_driver_nl80211_del_beacon(drv);
2319 :
2320 2178 : if (drv->eapol_sock >= 0) {
2321 1639 : eloop_unregister_read_sock(drv->eapol_sock);
2322 1639 : close(drv->eapol_sock);
2323 : }
2324 :
2325 2178 : if (drv->if_indices != drv->default_if_indices)
2326 1 : os_free(drv->if_indices);
2327 :
2328 2178 : if (drv->disabled_11b_rates)
2329 106 : nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2330 :
2331 2178 : netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2332 : IF_OPER_UP);
2333 2178 : eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
2334 2178 : rfkill_deinit(drv->rfkill);
2335 :
2336 2178 : eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2337 :
2338 2178 : if (!drv->start_iface_up)
2339 2178 : (void) i802_set_iface_flags(bss, 0);
2340 :
2341 2178 : if (drv->addr_changed) {
2342 3 : if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2343 : 0) < 0) {
2344 0 : wpa_printf(MSG_DEBUG,
2345 : "nl80211: Could not set interface down to restore permanent MAC address");
2346 : }
2347 3 : if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2348 3 : drv->perm_addr) < 0) {
2349 0 : wpa_printf(MSG_DEBUG,
2350 : "nl80211: Could not restore permanent MAC address");
2351 : }
2352 : }
2353 :
2354 2178 : if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2355 2170 : if (!drv->hostapd || !drv->start_mode_ap)
2356 2167 : wpa_driver_nl80211_set_mode(bss,
2357 : NL80211_IFTYPE_STATION);
2358 2170 : nl80211_mgmt_unsubscribe(bss, "deinit");
2359 : } else {
2360 8 : nl80211_mgmt_unsubscribe(bss, "deinit");
2361 8 : nl80211_del_p2pdev(bss);
2362 : }
2363 :
2364 2178 : nl80211_destroy_bss(drv->first_bss);
2365 :
2366 2178 : os_free(drv->filter_ssids);
2367 :
2368 2178 : os_free(drv->auth_ie);
2369 :
2370 2178 : if (drv->in_interface_list)
2371 2171 : dl_list_del(&drv->list);
2372 :
2373 2178 : os_free(drv->extended_capa);
2374 2178 : os_free(drv->extended_capa_mask);
2375 2178 : os_free(drv->first_bss);
2376 2178 : os_free(drv);
2377 2178 : }
2378 :
2379 :
2380 8546 : static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2381 : {
2382 8546 : switch (alg) {
2383 : case WPA_ALG_WEP:
2384 114 : if (key_len == 5)
2385 52 : return WLAN_CIPHER_SUITE_WEP40;
2386 62 : return WLAN_CIPHER_SUITE_WEP104;
2387 : case WPA_ALG_TKIP:
2388 197 : return WLAN_CIPHER_SUITE_TKIP;
2389 : case WPA_ALG_CCMP:
2390 7812 : return WLAN_CIPHER_SUITE_CCMP;
2391 : case WPA_ALG_GCMP:
2392 18 : return WLAN_CIPHER_SUITE_GCMP;
2393 : case WPA_ALG_CCMP_256:
2394 5 : return WLAN_CIPHER_SUITE_CCMP_256;
2395 : case WPA_ALG_GCMP_256:
2396 34 : return WLAN_CIPHER_SUITE_GCMP_256;
2397 : case WPA_ALG_IGTK:
2398 341 : return WLAN_CIPHER_SUITE_AES_CMAC;
2399 : case WPA_ALG_BIP_GMAC_128:
2400 10 : return WLAN_CIPHER_SUITE_BIP_GMAC_128;
2401 : case WPA_ALG_BIP_GMAC_256:
2402 10 : return WLAN_CIPHER_SUITE_BIP_GMAC_256;
2403 : case WPA_ALG_BIP_CMAC_256:
2404 3 : return WLAN_CIPHER_SUITE_BIP_CMAC_256;
2405 : case WPA_ALG_SMS4:
2406 0 : return WLAN_CIPHER_SUITE_SMS4;
2407 : case WPA_ALG_KRK:
2408 0 : return WLAN_CIPHER_SUITE_KRK;
2409 : case WPA_ALG_NONE:
2410 : case WPA_ALG_PMK:
2411 0 : wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2412 : alg);
2413 0 : return 0;
2414 : }
2415 :
2416 2 : wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2417 : alg);
2418 2 : return 0;
2419 : }
2420 :
2421 :
2422 8922 : static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2423 : {
2424 8922 : switch (cipher) {
2425 : case WPA_CIPHER_CCMP_256:
2426 3 : return WLAN_CIPHER_SUITE_CCMP_256;
2427 : case WPA_CIPHER_GCMP_256:
2428 19 : return WLAN_CIPHER_SUITE_GCMP_256;
2429 : case WPA_CIPHER_CCMP:
2430 7179 : return WLAN_CIPHER_SUITE_CCMP;
2431 : case WPA_CIPHER_GCMP:
2432 11 : return WLAN_CIPHER_SUITE_GCMP;
2433 : case WPA_CIPHER_TKIP:
2434 300 : return WLAN_CIPHER_SUITE_TKIP;
2435 : case WPA_CIPHER_WEP104:
2436 32 : return WLAN_CIPHER_SUITE_WEP104;
2437 : case WPA_CIPHER_WEP40:
2438 52 : return WLAN_CIPHER_SUITE_WEP40;
2439 : case WPA_CIPHER_GTK_NOT_USED:
2440 0 : return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
2441 : }
2442 :
2443 1326 : return 0;
2444 : }
2445 :
2446 :
2447 4442 : static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2448 : int max_suites)
2449 : {
2450 4442 : int num_suites = 0;
2451 :
2452 4442 : if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2453 1 : suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
2454 4442 : if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2455 5 : suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
2456 4442 : if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2457 2948 : suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
2458 4442 : if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2459 3 : suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
2460 4442 : if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2461 143 : suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
2462 4442 : if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2463 0 : suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
2464 4442 : if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2465 0 : suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
2466 :
2467 4442 : return num_suites;
2468 : }
2469 :
2470 :
2471 6 : static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2472 : const u8 *key, size_t key_len)
2473 : {
2474 : struct nl_msg *msg;
2475 : int ret;
2476 :
2477 6 : if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
2478 6 : return 0;
2479 :
2480 0 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2481 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2482 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2483 0 : QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2484 0 : nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
2485 0 : nl80211_nlmsg_clear(msg);
2486 0 : nlmsg_free(msg);
2487 0 : return -1;
2488 : }
2489 0 : ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
2490 0 : if (ret) {
2491 0 : wpa_printf(MSG_DEBUG,
2492 : "nl80211: Key management set key failed: ret=%d (%s)",
2493 : ret, strerror(-ret));
2494 : }
2495 :
2496 0 : return ret;
2497 : }
2498 :
2499 :
2500 37074 : static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
2501 : enum wpa_alg alg, const u8 *addr,
2502 : int key_idx, int set_tx,
2503 : const u8 *seq, size_t seq_len,
2504 : const u8 *key, size_t key_len)
2505 : {
2506 37074 : struct wpa_driver_nl80211_data *drv = bss->drv;
2507 : int ifindex;
2508 37074 : struct nl_msg *msg = NULL;
2509 : int ret;
2510 37074 : int tdls = 0;
2511 :
2512 : /* Ignore for P2P Device */
2513 37074 : if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2514 48 : return 0;
2515 :
2516 37026 : ifindex = if_nametoindex(ifname);
2517 37026 : wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
2518 : "set_tx=%d seq_len=%lu key_len=%lu",
2519 : __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
2520 : (unsigned long) seq_len, (unsigned long) key_len);
2521 : #ifdef CONFIG_TDLS
2522 15517 : if (key_idx == -1) {
2523 78 : key_idx = 0;
2524 78 : tdls = 1;
2525 : }
2526 : #endif /* CONFIG_TDLS */
2527 :
2528 37026 : if (alg == WPA_ALG_PMK &&
2529 0 : (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
2530 0 : wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2531 : __func__);
2532 0 : ret = issue_key_mgmt_set_key(drv, key, key_len);
2533 0 : return ret;
2534 : }
2535 :
2536 37026 : if (alg == WPA_ALG_NONE) {
2537 28504 : msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2538 28504 : if (!msg)
2539 0 : return -ENOBUFS;
2540 : } else {
2541 : u32 suite;
2542 :
2543 8522 : suite = wpa_alg_to_cipher_suite(alg, key_len);
2544 8522 : if (!suite)
2545 2 : goto fail;
2546 8520 : msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2547 17040 : if (!msg ||
2548 17040 : nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
2549 8520 : nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
2550 : goto fail;
2551 8520 : wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
2552 : }
2553 :
2554 37024 : if (seq && seq_len) {
2555 4020 : if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2556 0 : goto fail;
2557 4020 : wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2558 : }
2559 :
2560 37024 : if (addr && !is_broadcast_ether_addr(addr)) {
2561 17141 : wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
2562 17141 : if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2563 0 : goto fail;
2564 :
2565 34282 : if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2566 28 : wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
2567 28 : if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2568 : NL80211_KEYTYPE_GROUP))
2569 0 : goto fail;
2570 : }
2571 19883 : } else if (addr && is_broadcast_ether_addr(addr)) {
2572 : struct nlattr *types;
2573 :
2574 4283 : wpa_printf(MSG_DEBUG, " broadcast key");
2575 :
2576 4283 : types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2577 8566 : if (!types ||
2578 4283 : nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2579 : goto fail;
2580 4283 : nla_nest_end(msg, types);
2581 : }
2582 37024 : if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2583 0 : goto fail;
2584 :
2585 37024 : ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
2586 37024 : if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
2587 26938 : ret = 0;
2588 37024 : if (ret)
2589 354 : wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2590 : ret, strerror(-ret));
2591 :
2592 : /*
2593 : * If we failed or don't need to set the default TX key (below),
2594 : * we're done here.
2595 : */
2596 37024 : if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
2597 30747 : return ret;
2598 10700 : if (is_ap_interface(drv->nlmode) && addr &&
2599 4423 : !is_broadcast_ether_addr(addr))
2600 1984 : return ret;
2601 :
2602 4293 : msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2603 8586 : if (!msg ||
2604 8586 : nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
2605 4591 : nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
2606 4003 : alg == WPA_ALG_BIP_GMAC_128 ||
2607 3997 : alg == WPA_ALG_BIP_GMAC_256 ||
2608 : alg == WPA_ALG_BIP_CMAC_256) ?
2609 : NL80211_ATTR_KEY_DEFAULT_MGMT :
2610 : NL80211_ATTR_KEY_DEFAULT))
2611 : goto fail;
2612 6744 : if (addr && is_broadcast_ether_addr(addr)) {
2613 : struct nlattr *types;
2614 :
2615 2451 : types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2616 4902 : if (!types ||
2617 2451 : nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2618 : goto fail;
2619 2451 : nla_nest_end(msg, types);
2620 1842 : } else if (addr) {
2621 : struct nlattr *types;
2622 :
2623 1780 : types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2624 3560 : if (!types ||
2625 1780 : nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2626 : goto fail;
2627 1780 : nla_nest_end(msg, types);
2628 : }
2629 :
2630 4293 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2631 4293 : if (ret == -ENOENT)
2632 0 : ret = 0;
2633 4293 : if (ret)
2634 0 : wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2635 : "err=%d %s)", ret, strerror(-ret));
2636 4293 : return ret;
2637 :
2638 : fail:
2639 2 : nl80211_nlmsg_clear(msg);
2640 2 : nlmsg_free(msg);
2641 2 : return -ENOBUFS;
2642 : }
2643 :
2644 :
2645 24 : static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
2646 : int key_idx, int defkey,
2647 : const u8 *seq, size_t seq_len,
2648 : const u8 *key, size_t key_len)
2649 : {
2650 24 : struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
2651 : u32 suite;
2652 :
2653 24 : if (!key_attr)
2654 0 : return -1;
2655 :
2656 24 : suite = wpa_alg_to_cipher_suite(alg, key_len);
2657 24 : if (!suite)
2658 0 : return -1;
2659 :
2660 24 : if (defkey && alg == WPA_ALG_IGTK) {
2661 0 : if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2662 0 : return -1;
2663 24 : } else if (defkey) {
2664 24 : if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2665 0 : return -1;
2666 : }
2667 :
2668 48 : if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
2669 48 : nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
2670 0 : (seq && seq_len &&
2671 24 : nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2672 24 : nla_put(msg, NL80211_KEY_DATA, key_len, key))
2673 0 : return -1;
2674 :
2675 24 : nla_nest_end(msg, key_attr);
2676 :
2677 24 : return 0;
2678 : }
2679 :
2680 :
2681 299 : static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2682 : struct nl_msg *msg)
2683 : {
2684 299 : int i, privacy = 0;
2685 : struct nlattr *nl_keys, *nl_key;
2686 :
2687 2950 : for (i = 0; i < 4; i++) {
2688 1181 : if (!params->wep_key[i])
2689 1176 : continue;
2690 5 : privacy = 1;
2691 5 : break;
2692 : }
2693 299 : if (params->wps == WPS_MODE_PRIVACY)
2694 2 : privacy = 1;
2695 598 : if (params->pairwise_suite &&
2696 299 : params->pairwise_suite != WPA_CIPHER_NONE)
2697 30 : privacy = 1;
2698 :
2699 299 : if (!privacy)
2700 267 : return 0;
2701 :
2702 32 : if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2703 0 : return -ENOBUFS;
2704 :
2705 32 : nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2706 32 : if (!nl_keys)
2707 0 : return -ENOBUFS;
2708 :
2709 160 : for (i = 0; i < 4; i++) {
2710 128 : if (!params->wep_key[i])
2711 123 : continue;
2712 :
2713 5 : nl_key = nla_nest_start(msg, i);
2714 10 : if (!nl_key ||
2715 5 : nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
2716 10 : params->wep_key[i]) ||
2717 5 : nla_put_u32(msg, NL80211_KEY_CIPHER,
2718 5 : params->wep_key_len[i] == 5 ?
2719 : WLAN_CIPHER_SUITE_WEP40 :
2720 5 : WLAN_CIPHER_SUITE_WEP104) ||
2721 10 : nla_put_u8(msg, NL80211_KEY_IDX, i) ||
2722 10 : (i == params->wep_tx_keyidx &&
2723 5 : nla_put_flag(msg, NL80211_KEY_DEFAULT)))
2724 0 : return -ENOBUFS;
2725 :
2726 5 : nla_nest_end(msg, nl_key);
2727 : }
2728 32 : nla_nest_end(msg, nl_keys);
2729 :
2730 32 : return 0;
2731 : }
2732 :
2733 :
2734 2951 : int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
2735 : const u8 *addr, int cmd, u16 reason_code,
2736 : int local_state_change)
2737 : {
2738 : int ret;
2739 : struct nl_msg *msg;
2740 :
2741 5902 : if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
2742 5902 : nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
2743 2687 : (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
2744 0 : (local_state_change &&
2745 0 : nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
2746 0 : nlmsg_free(msg);
2747 0 : return -1;
2748 : }
2749 :
2750 2951 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2751 2951 : if (ret) {
2752 353 : wpa_dbg(drv->ctx, MSG_DEBUG,
2753 : "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2754 : reason_code, ret, strerror(-ret));
2755 : }
2756 2951 : return ret;
2757 : }
2758 :
2759 :
2760 264 : static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
2761 : int reason_code)
2762 : {
2763 : int ret;
2764 :
2765 264 : wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
2766 264 : nl80211_mark_disconnected(drv);
2767 : /* Disconnect command doesn't need BSSID - it uses cached value */
2768 264 : ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
2769 : reason_code, 0);
2770 : /*
2771 : * For locally generated disconnect, supplicant already generates a
2772 : * DEAUTH event, so ignore the event from NL80211.
2773 : */
2774 264 : drv->ignore_next_local_disconnect = ret == 0;
2775 :
2776 264 : return ret;
2777 : }
2778 :
2779 :
2780 2968 : static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
2781 : const u8 *addr, int reason_code)
2782 : {
2783 2968 : struct wpa_driver_nl80211_data *drv = bss->drv;
2784 : int ret;
2785 :
2786 2968 : if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2787 21 : nl80211_mark_disconnected(drv);
2788 21 : return nl80211_leave_ibss(drv, 1);
2789 : }
2790 2947 : if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
2791 260 : return wpa_driver_nl80211_disconnect(drv, reason_code);
2792 16122 : wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
2793 16122 : __func__, MAC2STR(addr), reason_code);
2794 2687 : nl80211_mark_disconnected(drv);
2795 2687 : ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
2796 : reason_code, 0);
2797 : /*
2798 : * For locally generated deauthenticate, supplicant already generates a
2799 : * DEAUTH event, so ignore the event from NL80211.
2800 : */
2801 2687 : drv->ignore_next_local_deauth = ret == 0;
2802 2687 : return ret;
2803 : }
2804 :
2805 :
2806 6 : static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
2807 : struct wpa_driver_auth_params *params)
2808 : {
2809 : int i;
2810 :
2811 6 : drv->auth_freq = params->freq;
2812 6 : drv->auth_alg = params->auth_alg;
2813 6 : drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
2814 6 : drv->auth_local_state_change = params->local_state_change;
2815 6 : drv->auth_p2p = params->p2p;
2816 :
2817 6 : if (params->bssid)
2818 6 : os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
2819 : else
2820 0 : os_memset(drv->auth_bssid_, 0, ETH_ALEN);
2821 :
2822 6 : if (params->ssid) {
2823 6 : os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
2824 6 : drv->auth_ssid_len = params->ssid_len;
2825 : } else
2826 0 : drv->auth_ssid_len = 0;
2827 :
2828 :
2829 6 : os_free(drv->auth_ie);
2830 6 : drv->auth_ie = NULL;
2831 6 : drv->auth_ie_len = 0;
2832 6 : if (params->ie) {
2833 0 : drv->auth_ie = os_malloc(params->ie_len);
2834 0 : if (drv->auth_ie) {
2835 0 : os_memcpy(drv->auth_ie, params->ie, params->ie_len);
2836 0 : drv->auth_ie_len = params->ie_len;
2837 : }
2838 : }
2839 :
2840 30 : for (i = 0; i < 4; i++) {
2841 25 : if (params->wep_key[i] && params->wep_key_len[i] &&
2842 1 : params->wep_key_len[i] <= 16) {
2843 1 : os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
2844 : params->wep_key_len[i]);
2845 1 : drv->auth_wep_key_len[i] = params->wep_key_len[i];
2846 : } else
2847 23 : drv->auth_wep_key_len[i] = 0;
2848 : }
2849 6 : }
2850 :
2851 :
2852 7016 : static void nl80211_unmask_11b_rates(struct i802_bss *bss)
2853 : {
2854 7016 : struct wpa_driver_nl80211_data *drv = bss->drv;
2855 :
2856 7016 : if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
2857 14031 : return;
2858 :
2859 : /*
2860 : * Looks like we failed to unmask 11b rates previously. This could
2861 : * happen, e.g., if the interface was down at the point in time when a
2862 : * P2P group was terminated.
2863 : */
2864 1 : wpa_printf(MSG_DEBUG,
2865 : "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
2866 1 : bss->ifname);
2867 1 : nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2868 : }
2869 :
2870 :
2871 3326 : static int wpa_driver_nl80211_authenticate(
2872 : struct i802_bss *bss, struct wpa_driver_auth_params *params)
2873 : {
2874 3326 : struct wpa_driver_nl80211_data *drv = bss->drv;
2875 3326 : int ret = -1, i;
2876 : struct nl_msg *msg;
2877 : enum nl80211_auth_type type;
2878 : enum nl80211_iftype nlmode;
2879 3326 : int count = 0;
2880 : int is_retry;
2881 :
2882 3326 : nl80211_unmask_11b_rates(bss);
2883 :
2884 3326 : is_retry = drv->retry_auth;
2885 3326 : drv->retry_auth = 0;
2886 3326 : drv->ignore_deauth_event = 0;
2887 :
2888 3326 : nl80211_mark_disconnected(drv);
2889 3326 : os_memset(drv->auth_bssid, 0, ETH_ALEN);
2890 3326 : if (params->bssid)
2891 3326 : os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
2892 : else
2893 0 : os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
2894 : /* FIX: IBSS mode */
2895 3326 : nlmode = params->p2p ?
2896 : NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
2897 3511 : if (drv->nlmode != nlmode &&
2898 185 : wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
2899 0 : return -1;
2900 :
2901 : retry:
2902 3370 : wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
2903 : drv->ifindex);
2904 :
2905 3370 : msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
2906 3370 : if (!msg)
2907 0 : goto fail;
2908 :
2909 16850 : for (i = 0; i < 4; i++) {
2910 13480 : if (!params->wep_key[i])
2911 13450 : continue;
2912 60 : wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2913 : NULL, i,
2914 30 : i == params->wep_tx_keyidx, NULL, 0,
2915 : params->wep_key[i],
2916 : params->wep_key_len[i]);
2917 30 : if (params->wep_tx_keyidx != i)
2918 6 : continue;
2919 24 : if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
2920 : params->wep_key[i], params->wep_key_len[i]))
2921 0 : goto fail;
2922 : }
2923 :
2924 3370 : if (params->bssid) {
2925 20220 : wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
2926 20220 : MAC2STR(params->bssid));
2927 3370 : if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
2928 0 : goto fail;
2929 : }
2930 3370 : if (params->freq) {
2931 3370 : wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
2932 3370 : if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
2933 0 : goto fail;
2934 : }
2935 3370 : if (params->ssid) {
2936 6740 : wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
2937 3370 : params->ssid, params->ssid_len);
2938 3370 : if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
2939 3370 : params->ssid))
2940 0 : goto fail;
2941 : }
2942 3370 : wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
2943 3497 : if (params->ie &&
2944 127 : nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
2945 0 : goto fail;
2946 3370 : if (params->sae_data) {
2947 153 : wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
2948 : params->sae_data_len);
2949 153 : if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
2950 153 : params->sae_data))
2951 0 : goto fail;
2952 : }
2953 3370 : if (params->auth_alg & WPA_AUTH_ALG_OPEN)
2954 2849 : type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2955 521 : else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
2956 12 : type = NL80211_AUTHTYPE_SHARED_KEY;
2957 509 : else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
2958 3 : type = NL80211_AUTHTYPE_NETWORK_EAP;
2959 506 : else if (params->auth_alg & WPA_AUTH_ALG_FT)
2960 353 : type = NL80211_AUTHTYPE_FT;
2961 153 : else if (params->auth_alg & WPA_AUTH_ALG_SAE)
2962 153 : type = NL80211_AUTHTYPE_SAE;
2963 : else
2964 0 : goto fail;
2965 3370 : wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
2966 3370 : if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
2967 0 : goto fail;
2968 3370 : if (params->local_state_change) {
2969 226 : wpa_printf(MSG_DEBUG, " * Local state change only");
2970 226 : if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
2971 0 : goto fail;
2972 : }
2973 :
2974 3370 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2975 3370 : msg = NULL;
2976 3370 : if (ret) {
2977 54 : wpa_dbg(drv->ctx, MSG_DEBUG,
2978 : "nl80211: MLME command failed (auth): ret=%d (%s)",
2979 : ret, strerror(-ret));
2980 54 : count++;
2981 98 : if (ret == -EALREADY && count == 1 && params->bssid &&
2982 44 : !params->local_state_change) {
2983 : /*
2984 : * mac80211 does not currently accept new
2985 : * authentication if we are already authenticated. As a
2986 : * workaround, force deauthentication and try again.
2987 : */
2988 44 : wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
2989 : "after forced deauthentication");
2990 44 : drv->ignore_deauth_event = 1;
2991 44 : wpa_driver_nl80211_deauthenticate(
2992 : bss, params->bssid,
2993 : WLAN_REASON_PREV_AUTH_NOT_VALID);
2994 44 : nlmsg_free(msg);
2995 44 : goto retry;
2996 : }
2997 :
2998 16 : if (ret == -ENOENT && params->freq && !is_retry) {
2999 : /*
3000 : * cfg80211 has likely expired the BSS entry even
3001 : * though it was previously available in our internal
3002 : * BSS table. To recover quickly, start a single
3003 : * channel scan on the specified channel.
3004 : */
3005 : struct wpa_driver_scan_params scan;
3006 : int freqs[2];
3007 :
3008 6 : os_memset(&scan, 0, sizeof(scan));
3009 6 : scan.num_ssids = 1;
3010 6 : if (params->ssid) {
3011 6 : scan.ssids[0].ssid = params->ssid;
3012 6 : scan.ssids[0].ssid_len = params->ssid_len;
3013 : }
3014 6 : freqs[0] = params->freq;
3015 6 : freqs[1] = 0;
3016 6 : scan.freqs = freqs;
3017 6 : wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3018 : "channel scan to refresh cfg80211 BSS "
3019 : "entry");
3020 6 : ret = wpa_driver_nl80211_scan(bss, &scan);
3021 6 : if (ret == 0) {
3022 6 : nl80211_copy_auth_params(drv, params);
3023 6 : drv->scan_for_auth = 1;
3024 : }
3025 4 : } else if (is_retry) {
3026 : /*
3027 : * Need to indicate this with an event since the return
3028 : * value from the retry is not delivered to core code.
3029 : */
3030 : union wpa_event_data event;
3031 4 : wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3032 : "failed");
3033 4 : os_memset(&event, 0, sizeof(event));
3034 4 : os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3035 : ETH_ALEN);
3036 4 : wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3037 : &event);
3038 : }
3039 : } else {
3040 3316 : wpa_printf(MSG_DEBUG,
3041 : "nl80211: Authentication request send successfully");
3042 : }
3043 :
3044 : fail:
3045 3326 : nlmsg_free(msg);
3046 3326 : return ret;
3047 : }
3048 :
3049 :
3050 6 : int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
3051 : {
3052 : struct wpa_driver_auth_params params;
3053 6 : struct i802_bss *bss = drv->first_bss;
3054 : int i;
3055 :
3056 6 : wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3057 :
3058 6 : os_memset(¶ms, 0, sizeof(params));
3059 6 : params.freq = drv->auth_freq;
3060 6 : params.auth_alg = drv->auth_alg;
3061 6 : params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3062 6 : params.local_state_change = drv->auth_local_state_change;
3063 6 : params.p2p = drv->auth_p2p;
3064 :
3065 6 : if (!is_zero_ether_addr(drv->auth_bssid_))
3066 6 : params.bssid = drv->auth_bssid_;
3067 :
3068 6 : if (drv->auth_ssid_len) {
3069 6 : params.ssid = drv->auth_ssid;
3070 6 : params.ssid_len = drv->auth_ssid_len;
3071 : }
3072 :
3073 6 : params.ie = drv->auth_ie;
3074 6 : params.ie_len = drv->auth_ie_len;
3075 :
3076 30 : for (i = 0; i < 4; i++) {
3077 24 : if (drv->auth_wep_key_len[i]) {
3078 1 : params.wep_key[i] = drv->auth_wep_key[i];
3079 1 : params.wep_key_len[i] = drv->auth_wep_key_len[i];
3080 : }
3081 : }
3082 :
3083 6 : drv->retry_auth = 1;
3084 6 : return wpa_driver_nl80211_authenticate(bss, ¶ms);
3085 : }
3086 :
3087 :
3088 16653 : static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3089 : const void *data, size_t len,
3090 : int encrypt, int noack,
3091 : unsigned int freq, int no_cck,
3092 : int offchanok, unsigned int wait_time)
3093 : {
3094 16653 : struct wpa_driver_nl80211_data *drv = bss->drv;
3095 : u64 cookie;
3096 : int res;
3097 :
3098 16653 : if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3099 26 : freq = nl80211_get_assoc_freq(drv);
3100 26 : wpa_printf(MSG_DEBUG,
3101 : "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3102 : freq);
3103 : }
3104 16653 : if (freq == 0) {
3105 15937 : wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3106 : bss->freq);
3107 15937 : freq = bss->freq;
3108 : }
3109 :
3110 16653 : if (drv->use_monitor) {
3111 102 : wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3112 : freq, bss->freq);
3113 102 : return nl80211_send_monitor(drv, data, len, encrypt, noack);
3114 : }
3115 :
3116 16551 : wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
3117 16551 : res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
3118 : &cookie, no_cck, noack, offchanok);
3119 16551 : if (res == 0 && !noack) {
3120 : const struct ieee80211_mgmt *mgmt;
3121 : u16 fc;
3122 :
3123 11241 : mgmt = (const struct ieee80211_mgmt *) data;
3124 11241 : fc = le_to_host16(mgmt->frame_control);
3125 22482 : if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3126 11241 : WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3127 2264 : wpa_printf(MSG_MSGDUMP,
3128 : "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3129 : (long long unsigned int)
3130 1132 : drv->send_action_cookie,
3131 : (long long unsigned int) cookie);
3132 1132 : drv->send_action_cookie = cookie;
3133 : }
3134 : }
3135 :
3136 16551 : return res;
3137 : }
3138 :
3139 :
3140 17316 : static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3141 : size_t data_len, int noack,
3142 : unsigned int freq, int no_cck,
3143 : int offchanok,
3144 : unsigned int wait_time)
3145 : {
3146 17316 : struct wpa_driver_nl80211_data *drv = bss->drv;
3147 : struct ieee80211_mgmt *mgmt;
3148 17316 : int encrypt = 1;
3149 : u16 fc;
3150 :
3151 17316 : mgmt = (struct ieee80211_mgmt *) data;
3152 17316 : fc = le_to_host16(mgmt->frame_control);
3153 121212 : wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3154 : " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3155 103896 : MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3156 17316 : fc, fc2str(fc), drv->nlmode);
3157 :
3158 33865 : if ((is_sta_interface(drv->nlmode) ||
3159 17320 : drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
3160 1542 : WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3161 771 : WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3162 : /*
3163 : * The use of last_mgmt_freq is a bit of a hack,
3164 : * but it works due to the single-threaded nature
3165 : * of wpa_supplicant.
3166 : */
3167 740 : if (freq == 0) {
3168 0 : wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3169 : drv->last_mgmt_freq);
3170 0 : freq = drv->last_mgmt_freq;
3171 : }
3172 740 : return nl80211_send_frame_cmd(bss, freq, 0,
3173 : data, data_len, NULL, 1, noack,
3174 : 1);
3175 : }
3176 :
3177 16576 : if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
3178 0 : if (freq == 0) {
3179 0 : wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3180 : bss->freq);
3181 0 : freq = bss->freq;
3182 : }
3183 0 : return nl80211_send_frame_cmd(bss, freq,
3184 0 : (int) freq == bss->freq ? 0 :
3185 : wait_time,
3186 : data, data_len,
3187 : &drv->send_action_cookie,
3188 : no_cck, noack, offchanok);
3189 : }
3190 :
3191 33152 : if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3192 16576 : WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3193 : /*
3194 : * Only one of the authentication frame types is encrypted.
3195 : * In order for static WEP encryption to work properly (i.e.,
3196 : * to not encrypt the frame), we need to tell mac80211 about
3197 : * the frames that must not be encrypted.
3198 : */
3199 3659 : u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3200 3659 : u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
3201 3659 : if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3202 3659 : encrypt = 0;
3203 : }
3204 :
3205 16576 : wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
3206 16576 : return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
3207 : noack, freq, no_cck, offchanok,
3208 : wait_time);
3209 : }
3210 :
3211 :
3212 4412 : static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3213 : {
3214 : u8 rates[NL80211_MAX_SUPP_RATES];
3215 4412 : u8 rates_len = 0;
3216 : int i;
3217 :
3218 4412 : if (!basic_rates)
3219 0 : return 0;
3220 :
3221 20042 : for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3222 15630 : rates[rates_len++] = basic_rates[i] / 5;
3223 :
3224 4412 : return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3225 : }
3226 :
3227 :
3228 4379 : static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
3229 : int slot, int ht_opmode, int ap_isolate,
3230 : const int *basic_rates)
3231 : {
3232 4379 : struct wpa_driver_nl80211_data *drv = bss->drv;
3233 : struct nl_msg *msg;
3234 :
3235 4379 : if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
3236 4379 : (cts >= 0 &&
3237 8758 : nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3238 4379 : (preamble >= 0 &&
3239 8758 : nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3240 3840 : (slot >= 0 &&
3241 8219 : nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3242 4259 : (ht_opmode >= 0 &&
3243 8638 : nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3244 4379 : (ap_isolate >= 0 &&
3245 8758 : nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3246 4379 : nl80211_put_basic_rates(msg, basic_rates)) {
3247 0 : nlmsg_free(msg);
3248 0 : return -ENOBUFS;
3249 : }
3250 :
3251 4379 : return send_and_recv_msgs(drv, msg, NULL, NULL);
3252 : }
3253 :
3254 :
3255 0 : static int wpa_driver_nl80211_set_acl(void *priv,
3256 : struct hostapd_acl_params *params)
3257 : {
3258 0 : struct i802_bss *bss = priv;
3259 0 : struct wpa_driver_nl80211_data *drv = bss->drv;
3260 : struct nl_msg *msg;
3261 : struct nl_msg *acl;
3262 : unsigned int i;
3263 : int ret;
3264 :
3265 0 : if (!(drv->capa.max_acl_mac_addrs))
3266 0 : return -ENOTSUP;
3267 :
3268 0 : if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3269 0 : return -ENOTSUP;
3270 :
3271 0 : wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3272 0 : params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3273 :
3274 0 : acl = nlmsg_alloc();
3275 0 : if (!acl)
3276 0 : return -ENOMEM;
3277 0 : for (i = 0; i < params->num_mac_acl; i++) {
3278 0 : if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3279 0 : nlmsg_free(acl);
3280 0 : return -ENOMEM;
3281 : }
3282 : }
3283 :
3284 0 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
3285 0 : nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3286 : NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3287 0 : NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
3288 0 : nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
3289 0 : nlmsg_free(msg);
3290 0 : nlmsg_free(acl);
3291 0 : return -ENOMEM;
3292 : }
3293 0 : nlmsg_free(acl);
3294 :
3295 0 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3296 0 : if (ret) {
3297 0 : wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3298 : ret, strerror(-ret));
3299 : }
3300 :
3301 0 : return ret;
3302 : }
3303 :
3304 :
3305 4497 : static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3306 : {
3307 4497 : if (beacon_int > 0) {
3308 4453 : wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3309 4453 : return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3310 : beacon_int);
3311 : }
3312 :
3313 44 : return 0;
3314 : }
3315 :
3316 :
3317 4442 : static int wpa_driver_nl80211_set_ap(void *priv,
3318 : struct wpa_driver_ap_params *params)
3319 : {
3320 4442 : struct i802_bss *bss = priv;
3321 4442 : struct wpa_driver_nl80211_data *drv = bss->drv;
3322 : struct nl_msg *msg;
3323 4442 : u8 cmd = NL80211_CMD_NEW_BEACON;
3324 : int ret;
3325 : int beacon_set;
3326 : int num_suites;
3327 : int smps_mode;
3328 : u32 suites[10], suite;
3329 : u32 ver;
3330 :
3331 4442 : beacon_set = params->reenable ? 0 : bss->beacon_set;
3332 :
3333 4442 : wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
3334 : beacon_set);
3335 4442 : if (beacon_set)
3336 2381 : cmd = NL80211_CMD_SET_BEACON;
3337 :
3338 8884 : wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3339 4442 : params->head, params->head_len);
3340 8884 : wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3341 4442 : params->tail, params->tail_len);
3342 4442 : wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
3343 4442 : wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
3344 4442 : wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
3345 8884 : wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3346 4442 : params->ssid, params->ssid_len);
3347 8884 : if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
3348 4442 : nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3349 8884 : params->head) ||
3350 4442 : nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3351 8884 : params->tail) ||
3352 8884 : nl80211_put_beacon_int(msg, params->beacon_int) ||
3353 8884 : nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) ||
3354 4442 : nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3355 : goto fail;
3356 4442 : if (params->proberesp && params->proberesp_len) {
3357 0 : wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3358 0 : params->proberesp, params->proberesp_len);
3359 0 : if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3360 0 : params->proberesp))
3361 0 : goto fail;
3362 : }
3363 4442 : switch (params->hide_ssid) {
3364 : case NO_SSID_HIDING:
3365 4432 : wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
3366 4432 : if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3367 : NL80211_HIDDEN_SSID_NOT_IN_USE))
3368 0 : goto fail;
3369 4432 : break;
3370 : case HIDDEN_SSID_ZERO_LEN:
3371 9 : wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
3372 9 : if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3373 : NL80211_HIDDEN_SSID_ZERO_LEN))
3374 0 : goto fail;
3375 9 : break;
3376 : case HIDDEN_SSID_ZERO_CONTENTS:
3377 1 : wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
3378 1 : if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3379 : NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3380 0 : goto fail;
3381 1 : break;
3382 : }
3383 4442 : wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
3384 7514 : if (params->privacy &&
3385 3072 : nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3386 0 : goto fail;
3387 4442 : wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
3388 4442 : if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3389 : (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3390 : /* Leave out the attribute */
3391 1685 : } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3392 22 : if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3393 : NL80211_AUTHTYPE_SHARED_KEY))
3394 0 : goto fail;
3395 : } else {
3396 1663 : if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3397 : NL80211_AUTHTYPE_OPEN_SYSTEM))
3398 0 : goto fail;
3399 : }
3400 :
3401 4442 : wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
3402 4442 : ver = 0;
3403 4442 : if (params->wpa_version & WPA_PROTO_WPA)
3404 138 : ver |= NL80211_WPA_VERSION_1;
3405 4442 : if (params->wpa_version & WPA_PROTO_RSN)
3406 2983 : ver |= NL80211_WPA_VERSION_2;
3407 7469 : if (ver &&
3408 3027 : nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3409 0 : goto fail;
3410 :
3411 4442 : wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3412 : params->key_mgmt_suites);
3413 4442 : num_suites = 0;
3414 4442 : if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3415 458 : suites[num_suites++] = WLAN_AKM_SUITE_8021X;
3416 4442 : if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3417 2514 : suites[num_suites++] = WLAN_AKM_SUITE_PSK;
3418 7394 : if (num_suites &&
3419 2952 : nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3420 : suites))
3421 0 : goto fail;
3422 :
3423 4456 : if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
3424 14 : params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40) &&
3425 0 : nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
3426 0 : goto fail;
3427 :
3428 4442 : wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3429 : params->pairwise_ciphers);
3430 4442 : num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3431 : suites, ARRAY_SIZE(suites));
3432 7469 : if (num_suites &&
3433 3027 : nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3434 : num_suites * sizeof(u32), suites))
3435 0 : goto fail;
3436 :
3437 4442 : wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3438 : params->group_cipher);
3439 4442 : suite = wpa_cipher_to_cipher_suite(params->group_cipher);
3440 7558 : if (suite &&
3441 3116 : nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3442 0 : goto fail;
3443 :
3444 4442 : switch (params->smps_mode) {
3445 : case HT_CAP_INFO_SMPS_DYNAMIC:
3446 1 : wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3447 1 : smps_mode = NL80211_SMPS_DYNAMIC;
3448 1 : break;
3449 : case HT_CAP_INFO_SMPS_STATIC:
3450 1 : wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3451 1 : smps_mode = NL80211_SMPS_STATIC;
3452 1 : break;
3453 : default:
3454 : /* invalid - fallback to smps off */
3455 : case HT_CAP_INFO_SMPS_DISABLED:
3456 4440 : wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3457 4440 : smps_mode = NL80211_SMPS_OFF;
3458 4440 : break;
3459 : }
3460 4442 : if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
3461 0 : goto fail;
3462 :
3463 4442 : if (params->beacon_ies) {
3464 4442 : wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3465 : params->beacon_ies);
3466 8884 : if (nla_put(msg, NL80211_ATTR_IE,
3467 4442 : wpabuf_len(params->beacon_ies),
3468 : wpabuf_head(params->beacon_ies)))
3469 0 : goto fail;
3470 : }
3471 4442 : if (params->proberesp_ies) {
3472 4442 : wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3473 : params->proberesp_ies);
3474 8884 : if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3475 4442 : wpabuf_len(params->proberesp_ies),
3476 : wpabuf_head(params->proberesp_ies)))
3477 0 : goto fail;
3478 : }
3479 4442 : if (params->assocresp_ies) {
3480 4442 : wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3481 : params->assocresp_ies);
3482 8884 : if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3483 4442 : wpabuf_len(params->assocresp_ies),
3484 : wpabuf_head(params->assocresp_ies)))
3485 0 : goto fail;
3486 : }
3487 :
3488 4442 : if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
3489 0 : wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3490 : params->ap_max_inactivity);
3491 0 : if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3492 0 : params->ap_max_inactivity))
3493 0 : goto fail;
3494 : }
3495 :
3496 : #ifdef CONFIG_P2P
3497 1694 : if (params->p2p_go_ctwindow > 0) {
3498 0 : if (drv->p2p_go_ctwindow_supported) {
3499 0 : wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
3500 0 : params->p2p_go_ctwindow);
3501 0 : if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
3502 0 : params->p2p_go_ctwindow))
3503 0 : goto fail;
3504 : } else {
3505 0 : wpa_printf(MSG_INFO,
3506 : "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
3507 : }
3508 : }
3509 : #endif /* CONFIG_P2P */
3510 :
3511 4442 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3512 4442 : if (ret) {
3513 63 : wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
3514 : ret, strerror(-ret));
3515 : } else {
3516 4379 : bss->beacon_set = 1;
3517 4379 : nl80211_set_bss(bss, params->cts_protect, params->preamble,
3518 : params->short_slot_time, params->ht_opmode,
3519 4379 : params->isolate, params->basic_rates);
3520 6760 : if (beacon_set && params->freq &&
3521 2381 : params->freq->bandwidth != bss->bandwidth) {
3522 16 : wpa_printf(MSG_DEBUG,
3523 : "nl80211: Update BSS %s bandwidth: %d -> %d",
3524 8 : bss->ifname, bss->bandwidth,
3525 8 : params->freq->bandwidth);
3526 8 : ret = nl80211_set_channel(bss, params->freq, 1);
3527 16 : if (ret) {
3528 0 : wpa_printf(MSG_DEBUG,
3529 : "nl80211: Frequency set failed: %d (%s)",
3530 : ret, strerror(-ret));
3531 : } else {
3532 8 : wpa_printf(MSG_DEBUG,
3533 : "nl80211: Frequency set succeeded for ht2040 coex");
3534 8 : bss->bandwidth = params->freq->bandwidth;
3535 : }
3536 4371 : } else if (!beacon_set) {
3537 : /*
3538 : * cfg80211 updates the driver on frequence change in AP
3539 : * mode only at the point when beaconing is started, so
3540 : * set the initial value here.
3541 : */
3542 1998 : bss->bandwidth = params->freq->bandwidth;
3543 : }
3544 : }
3545 4442 : return ret;
3546 : fail:
3547 0 : nlmsg_free(msg);
3548 0 : return -ENOBUFS;
3549 : }
3550 :
3551 :
3552 2403 : static int nl80211_put_freq_params(struct nl_msg *msg,
3553 : const struct hostapd_freq_params *freq)
3554 : {
3555 2403 : wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
3556 2403 : if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
3557 0 : return -ENOBUFS;
3558 :
3559 2403 : wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
3560 2403 : wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
3561 :
3562 2403 : if (freq->vht_enabled) {
3563 : enum nl80211_chan_width cw;
3564 :
3565 26 : wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
3566 26 : switch (freq->bandwidth) {
3567 : case 20:
3568 4 : cw = NL80211_CHAN_WIDTH_20;
3569 4 : break;
3570 : case 40:
3571 2 : cw = NL80211_CHAN_WIDTH_40;
3572 2 : break;
3573 : case 80:
3574 15 : if (freq->center_freq2)
3575 2 : cw = NL80211_CHAN_WIDTH_80P80;
3576 : else
3577 13 : cw = NL80211_CHAN_WIDTH_80;
3578 15 : break;
3579 : case 160:
3580 4 : cw = NL80211_CHAN_WIDTH_160;
3581 4 : break;
3582 : default:
3583 1 : return -EINVAL;
3584 : }
3585 :
3586 25 : wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
3587 25 : wpa_printf(MSG_DEBUG, " * center_freq1=%d",
3588 : freq->center_freq1);
3589 25 : wpa_printf(MSG_DEBUG, " * center_freq2=%d",
3590 : freq->center_freq2);
3591 50 : if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
3592 25 : nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
3593 50 : freq->center_freq1) ||
3594 27 : (freq->center_freq2 &&
3595 2 : nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
3596 2 : freq->center_freq2)))
3597 0 : return -ENOBUFS;
3598 2377 : } else if (freq->ht_enabled) {
3599 : enum nl80211_channel_type ct;
3600 :
3601 2001 : wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
3602 : freq->sec_channel_offset);
3603 2001 : switch (freq->sec_channel_offset) {
3604 : case -1:
3605 16 : ct = NL80211_CHAN_HT40MINUS;
3606 16 : break;
3607 : case 1:
3608 32 : ct = NL80211_CHAN_HT40PLUS;
3609 32 : break;
3610 : default:
3611 1953 : ct = NL80211_CHAN_HT20;
3612 1953 : break;
3613 : }
3614 :
3615 2001 : wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
3616 2001 : if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
3617 0 : return -ENOBUFS;
3618 : }
3619 2402 : return 0;
3620 : }
3621 :
3622 :
3623 2311 : static int nl80211_set_channel(struct i802_bss *bss,
3624 : struct hostapd_freq_params *freq, int set_chan)
3625 : {
3626 2311 : struct wpa_driver_nl80211_data *drv = bss->drv;
3627 : struct nl_msg *msg;
3628 : int ret;
3629 :
3630 2311 : wpa_printf(MSG_DEBUG,
3631 : "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3632 : freq->freq, freq->ht_enabled, freq->vht_enabled,
3633 : freq->bandwidth, freq->center_freq1, freq->center_freq2);
3634 :
3635 2311 : msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
3636 : NL80211_CMD_SET_WIPHY);
3637 2311 : if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
3638 0 : nlmsg_free(msg);
3639 0 : return -1;
3640 : }
3641 :
3642 2311 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3643 2311 : if (ret == 0) {
3644 2310 : bss->freq = freq->freq;
3645 2310 : return 0;
3646 : }
3647 1 : wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
3648 : "%d (%s)", freq->freq, ret, strerror(-ret));
3649 1 : return -1;
3650 : }
3651 :
3652 :
3653 24212 : static u32 sta_flags_nl80211(int flags)
3654 : {
3655 24212 : u32 f = 0;
3656 :
3657 24212 : if (flags & WPA_STA_AUTHORIZED)
3658 9537 : f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
3659 24212 : if (flags & WPA_STA_WMM)
3660 10037 : f |= BIT(NL80211_STA_FLAG_WME);
3661 24212 : if (flags & WPA_STA_SHORT_PREAMBLE)
3662 9560 : f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
3663 24212 : if (flags & WPA_STA_MFP)
3664 3446 : f |= BIT(NL80211_STA_FLAG_MFP);
3665 24212 : if (flags & WPA_STA_TDLS_PEER)
3666 111 : f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
3667 24212 : if (flags & WPA_STA_AUTHENTICATED)
3668 98 : f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
3669 :
3670 24212 : return f;
3671 : }
3672 :
3673 :
3674 : #ifdef CONFIG_MESH
3675 208 : static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
3676 : {
3677 208 : switch (state) {
3678 : case PLINK_LISTEN:
3679 54 : return NL80211_PLINK_LISTEN;
3680 : case PLINK_OPEN_SENT:
3681 42 : return NL80211_PLINK_OPN_SNT;
3682 : case PLINK_OPEN_RCVD:
3683 31 : return NL80211_PLINK_OPN_RCVD;
3684 : case PLINK_CNF_RCVD:
3685 0 : return NL80211_PLINK_CNF_RCVD;
3686 : case PLINK_ESTAB:
3687 26 : return NL80211_PLINK_ESTAB;
3688 : case PLINK_HOLDING:
3689 53 : return NL80211_PLINK_HOLDING;
3690 : case PLINK_BLOCKED:
3691 2 : return NL80211_PLINK_BLOCKED;
3692 : default:
3693 0 : wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
3694 : state);
3695 : }
3696 0 : return -1;
3697 : }
3698 : #endif /* CONFIG_MESH */
3699 :
3700 :
3701 3633 : static int wpa_driver_nl80211_sta_add(void *priv,
3702 : struct hostapd_sta_add_params *params)
3703 : {
3704 3633 : struct i802_bss *bss = priv;
3705 3633 : struct wpa_driver_nl80211_data *drv = bss->drv;
3706 : struct nl_msg *msg;
3707 : struct nl80211_sta_flag_update upd;
3708 3633 : int ret = -ENOBUFS;
3709 :
3710 3744 : if ((params->flags & WPA_STA_TDLS_PEER) &&
3711 111 : !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
3712 0 : return -EOPNOTSUPP;
3713 :
3714 25431 : wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
3715 25431 : params->set ? "Set" : "Add", MAC2STR(params->addr));
3716 3633 : msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
3717 : NL80211_CMD_NEW_STATION);
3718 3633 : if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
3719 : goto fail;
3720 :
3721 3633 : if (!params->set || (params->flags & WPA_STA_TDLS_PEER)) {
3722 6942 : wpa_hexdump(MSG_DEBUG, " * supported rates",
3723 3471 : params->supp_rates, params->supp_rates_len);
3724 3471 : wpa_printf(MSG_DEBUG, " * capability=0x%x",
3725 3471 : params->capability);
3726 3471 : if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
3727 6942 : params->supp_rates_len, params->supp_rates) ||
3728 3471 : nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
3729 3471 : params->capability))
3730 : goto fail;
3731 :
3732 3471 : if (params->ht_capabilities) {
3733 3335 : wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
3734 3335 : (u8 *) params->ht_capabilities,
3735 : sizeof(*params->ht_capabilities));
3736 3335 : if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
3737 : sizeof(*params->ht_capabilities),
3738 3335 : params->ht_capabilities))
3739 0 : goto fail;
3740 : }
3741 :
3742 3471 : if (params->vht_capabilities) {
3743 24 : wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
3744 24 : (u8 *) params->vht_capabilities,
3745 : sizeof(*params->vht_capabilities));
3746 24 : if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
3747 : sizeof(*params->vht_capabilities),
3748 24 : params->vht_capabilities))
3749 0 : goto fail;
3750 : }
3751 :
3752 3471 : if (params->ext_capab) {
3753 158 : wpa_hexdump(MSG_DEBUG, " * ext_capab",
3754 79 : params->ext_capab, params->ext_capab_len);
3755 79 : if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
3756 79 : params->ext_capab_len, params->ext_capab))
3757 0 : goto fail;
3758 : }
3759 : }
3760 3633 : if (!params->set) {
3761 3420 : if (params->aid) {
3762 3308 : wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
3763 3308 : if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
3764 0 : goto fail;
3765 : } else {
3766 : /*
3767 : * cfg80211 validates that AID is non-zero, so we have
3768 : * to make this a non-zero value for the TDLS case where
3769 : * a dummy STA entry is used for now.
3770 : */
3771 112 : wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
3772 112 : if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
3773 0 : goto fail;
3774 : }
3775 3420 : wpa_printf(MSG_DEBUG, " * listen_interval=%u",
3776 3420 : params->listen_interval);
3777 3420 : if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
3778 3420 : params->listen_interval))
3779 0 : goto fail;
3780 213 : } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
3781 4 : wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
3782 4 : if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
3783 0 : goto fail;
3784 : }
3785 :
3786 3633 : if (params->vht_opmode_enabled) {
3787 0 : wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
3788 0 : if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
3789 0 : params->vht_opmode))
3790 0 : goto fail;
3791 : }
3792 :
3793 3633 : if (params->supp_channels) {
3794 158 : wpa_hexdump(MSG_DEBUG, " * supported channels",
3795 79 : params->supp_channels, params->supp_channels_len);
3796 79 : if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
3797 79 : params->supp_channels_len, params->supp_channels))
3798 0 : goto fail;
3799 : }
3800 :
3801 3633 : if (params->supp_oper_classes) {
3802 158 : wpa_hexdump(MSG_DEBUG, " * supported operating classes",
3803 79 : params->supp_oper_classes,
3804 : params->supp_oper_classes_len);
3805 79 : if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
3806 79 : params->supp_oper_classes_len,
3807 79 : params->supp_oper_classes))
3808 0 : goto fail;
3809 : }
3810 :
3811 3633 : os_memset(&upd, 0, sizeof(upd));
3812 3633 : upd.set = sta_flags_nl80211(params->flags);
3813 3633 : upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
3814 3633 : wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
3815 : upd.set, upd.mask);
3816 3633 : if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
3817 0 : goto fail;
3818 :
3819 : #ifdef CONFIG_MESH
3820 970 : if (params->plink_state &&
3821 208 : nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
3822 208 : sta_plink_state_nl80211(params->plink_state)))
3823 0 : goto fail;
3824 : #endif /* CONFIG_MESH */
3825 :
3826 3633 : if (params->flags & WPA_STA_WMM) {
3827 3432 : struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
3828 :
3829 3432 : wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
3830 6864 : if (!wme ||
3831 3432 : nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
3832 6864 : params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
3833 3432 : nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
3834 3432 : (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
3835 : WMM_QOSINFO_STA_SP_MASK))
3836 : goto fail;
3837 3432 : nla_nest_end(msg, wme);
3838 : }
3839 :
3840 3633 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3841 3633 : msg = NULL;
3842 3633 : if (ret)
3843 24 : wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
3844 12 : "result: %d (%s)", params->set ? "SET" : "NEW", ret,
3845 : strerror(-ret));
3846 3633 : if (ret == -EEXIST)
3847 12 : ret = 0;
3848 : fail:
3849 3633 : nlmsg_free(msg);
3850 3633 : return ret;
3851 : }
3852 :
3853 :
3854 52 : static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
3855 : {
3856 : #ifdef CONFIG_LIBNL3_ROUTE
3857 52 : struct wpa_driver_nl80211_data *drv = bss->drv;
3858 : struct rtnl_neigh *rn;
3859 : struct nl_addr *nl_addr;
3860 : int err;
3861 :
3862 52 : rn = rtnl_neigh_alloc();
3863 52 : if (!rn)
3864 0 : return;
3865 :
3866 52 : rtnl_neigh_set_family(rn, AF_BRIDGE);
3867 52 : rtnl_neigh_set_ifindex(rn, bss->ifindex);
3868 52 : nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
3869 52 : if (!nl_addr) {
3870 0 : rtnl_neigh_put(rn);
3871 0 : return;
3872 : }
3873 52 : rtnl_neigh_set_lladdr(rn, nl_addr);
3874 :
3875 52 : err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
3876 52 : if (err < 0) {
3877 245 : wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
3878 210 : MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
3879 : bss->ifindex, nl_geterror(err));
3880 : } else {
3881 102 : wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
3882 102 : MACSTR, MAC2STR(addr));
3883 : }
3884 :
3885 52 : nl_addr_put(nl_addr);
3886 52 : rtnl_neigh_put(rn);
3887 : #endif /* CONFIG_LIBNL3_ROUTE */
3888 0 : }
3889 :
3890 :
3891 6217 : static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
3892 : int deauth, u16 reason_code)
3893 : {
3894 6217 : struct wpa_driver_nl80211_data *drv = bss->drv;
3895 : struct nl_msg *msg;
3896 : int ret;
3897 :
3898 12434 : if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
3899 12434 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
3900 0 : (deauth == 0 &&
3901 0 : nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3902 6217 : WLAN_FC_STYPE_DISASSOC)) ||
3903 0 : (deauth == 1 &&
3904 0 : nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3905 6217 : WLAN_FC_STYPE_DEAUTH)) ||
3906 0 : (reason_code &&
3907 0 : nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
3908 0 : nlmsg_free(msg);
3909 0 : return -ENOBUFS;
3910 : }
3911 :
3912 6217 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3913 49736 : wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
3914 : " --> %d (%s)",
3915 43519 : bss->ifname, MAC2STR(addr), ret, strerror(-ret));
3916 :
3917 6217 : if (drv->rtnl_sk)
3918 52 : rtnl_neigh_delete_fdb_entry(bss, addr);
3919 :
3920 6217 : if (ret == -ENOENT)
3921 3076 : return 0;
3922 3141 : return ret;
3923 : }
3924 :
3925 :
3926 223 : void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
3927 : {
3928 : struct nl_msg *msg;
3929 : struct wpa_driver_nl80211_data *drv2;
3930 :
3931 223 : wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
3932 :
3933 : /* stop listening for EAPOL on this interface */
3934 2526 : dl_list_for_each(drv2, &drv->global->interfaces,
3935 : struct wpa_driver_nl80211_data, list)
3936 2303 : del_ifidx(drv2, ifidx);
3937 :
3938 223 : msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
3939 223 : if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
3940 446 : return;
3941 0 : wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
3942 : }
3943 :
3944 :
3945 5971 : static const char * nl80211_iftype_str(enum nl80211_iftype mode)
3946 : {
3947 5971 : switch (mode) {
3948 : case NL80211_IFTYPE_ADHOC:
3949 21 : return "ADHOC";
3950 : case NL80211_IFTYPE_STATION:
3951 3343 : return "STATION";
3952 : case NL80211_IFTYPE_AP:
3953 1699 : return "AP";
3954 : case NL80211_IFTYPE_AP_VLAN:
3955 22 : return "AP_VLAN";
3956 : case NL80211_IFTYPE_WDS:
3957 0 : return "WDS";
3958 : case NL80211_IFTYPE_MONITOR:
3959 7 : return "MONITOR";
3960 : case NL80211_IFTYPE_MESH_POINT:
3961 74 : return "MESH_POINT";
3962 : case NL80211_IFTYPE_P2P_CLIENT:
3963 264 : return "P2P_CLIENT";
3964 : case NL80211_IFTYPE_P2P_GO:
3965 525 : return "P2P_GO";
3966 : case NL80211_IFTYPE_P2P_DEVICE:
3967 16 : return "P2P_DEVICE";
3968 : default:
3969 0 : return "unknown";
3970 : }
3971 : }
3972 :
3973 :
3974 239 : static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
3975 : const char *ifname,
3976 : enum nl80211_iftype iftype,
3977 : const u8 *addr, int wds,
3978 : int (*handler)(struct nl_msg *, void *),
3979 : void *arg)
3980 : {
3981 : struct nl_msg *msg;
3982 : int ifidx;
3983 239 : int ret = -ENOBUFS;
3984 :
3985 239 : wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
3986 : iftype, nl80211_iftype_str(iftype));
3987 :
3988 239 : msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
3989 478 : if (!msg ||
3990 478 : nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
3991 239 : nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
3992 : goto fail;
3993 :
3994 239 : if (iftype == NL80211_IFTYPE_MONITOR) {
3995 : struct nlattr *flags;
3996 :
3997 7 : flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
3998 14 : if (!flags ||
3999 7 : nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4000 : goto fail;
4001 :
4002 7 : nla_nest_end(msg, flags);
4003 232 : } else if (wds) {
4004 1 : if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4005 0 : goto fail;
4006 : }
4007 :
4008 : /*
4009 : * Tell cfg80211 that the interface belongs to the socket that created
4010 : * it, and the interface should be deleted when the socket is closed.
4011 : */
4012 239 : if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4013 0 : goto fail;
4014 :
4015 239 : ret = send_and_recv_msgs(drv, msg, handler, arg);
4016 239 : msg = NULL;
4017 239 : if (ret) {
4018 : fail:
4019 2 : nlmsg_free(msg);
4020 2 : wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4021 : ifname, ret, strerror(-ret));
4022 2 : return ret;
4023 : }
4024 :
4025 237 : if (iftype == NL80211_IFTYPE_P2P_DEVICE)
4026 8 : return 0;
4027 :
4028 229 : ifidx = if_nametoindex(ifname);
4029 229 : wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4030 : ifname, ifidx);
4031 :
4032 229 : if (ifidx <= 0)
4033 0 : return -1;
4034 :
4035 : /*
4036 : * Some virtual interfaces need to process EAPOL packets and events on
4037 : * the parent interface. This is used mainly with hostapd.
4038 : */
4039 229 : if (drv->hostapd ||
4040 163 : iftype == NL80211_IFTYPE_AP_VLAN ||
4041 163 : iftype == NL80211_IFTYPE_WDS ||
4042 : iftype == NL80211_IFTYPE_MONITOR) {
4043 : /* start listening for EAPOL on this interface */
4044 71 : add_ifidx(drv, ifidx);
4045 : }
4046 :
4047 293 : if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4048 64 : linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
4049 0 : nl80211_remove_iface(drv, ifidx);
4050 0 : return -1;
4051 : }
4052 :
4053 229 : return ifidx;
4054 : }
4055 :
4056 :
4057 238 : int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4058 : const char *ifname, enum nl80211_iftype iftype,
4059 : const u8 *addr, int wds,
4060 : int (*handler)(struct nl_msg *, void *),
4061 : void *arg, int use_existing)
4062 : {
4063 : int ret;
4064 :
4065 238 : ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4066 : arg);
4067 :
4068 : /* if error occurred and interface exists already */
4069 238 : if (ret == -ENFILE && if_nametoindex(ifname)) {
4070 2 : if (use_existing) {
4071 1 : wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4072 : ifname);
4073 2 : if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4074 1 : linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4075 0 : addr) < 0 &&
4076 0 : (linux_set_iface_flags(drv->global->ioctl_sock,
4077 0 : ifname, 0) < 0 ||
4078 0 : linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4079 0 : addr) < 0 ||
4080 0 : linux_set_iface_flags(drv->global->ioctl_sock,
4081 : ifname, 1) < 0))
4082 0 : return -1;
4083 1 : return -ENFILE;
4084 : }
4085 1 : wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4086 :
4087 : /* Try to remove the interface that was already there. */
4088 1 : nl80211_remove_iface(drv, if_nametoindex(ifname));
4089 :
4090 : /* Try to create the interface again */
4091 1 : ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
4092 : wds, handler, arg);
4093 : }
4094 :
4095 237 : if (ret >= 0 && is_p2p_net_interface(iftype)) {
4096 143 : wpa_printf(MSG_DEBUG,
4097 : "nl80211: Interface %s created for P2P - disable 11b rates",
4098 : ifname);
4099 143 : nl80211_disable_11b_rates(drv, ret, 1);
4100 : }
4101 :
4102 237 : return ret;
4103 : }
4104 :
4105 :
4106 2121 : static int nl80211_setup_ap(struct i802_bss *bss)
4107 : {
4108 2121 : struct wpa_driver_nl80211_data *drv = bss->drv;
4109 :
4110 6363 : wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4111 6363 : bss->ifname, drv->device_ap_sme, drv->use_monitor);
4112 :
4113 : /*
4114 : * Disable Probe Request reporting unless we need it in this way for
4115 : * devices that include the AP SME, in the other case (unless using
4116 : * monitor iface) we'll get it through the nl_mgmt socket instead.
4117 : */
4118 2121 : if (!drv->device_ap_sme)
4119 2121 : wpa_driver_nl80211_probe_req_report(bss, 0);
4120 :
4121 2121 : if (!drv->device_ap_sme && !drv->use_monitor)
4122 2113 : if (nl80211_mgmt_subscribe_ap(bss))
4123 0 : return -1;
4124 :
4125 2121 : if (drv->device_ap_sme && !drv->use_monitor)
4126 0 : if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
4127 0 : return -1;
4128 :
4129 2129 : if (!drv->device_ap_sme && drv->use_monitor &&
4130 8 : nl80211_create_monitor_interface(drv) &&
4131 0 : !drv->device_ap_sme)
4132 0 : return -1;
4133 :
4134 2121 : if (drv->device_ap_sme &&
4135 0 : wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
4136 0 : wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
4137 : "Probe Request frame reporting in AP mode");
4138 : /* Try to survive without this */
4139 : }
4140 :
4141 2121 : return 0;
4142 : }
4143 :
4144 :
4145 2017 : static void nl80211_teardown_ap(struct i802_bss *bss)
4146 : {
4147 2017 : struct wpa_driver_nl80211_data *drv = bss->drv;
4148 :
4149 6051 : wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
4150 6051 : bss->ifname, drv->device_ap_sme, drv->use_monitor);
4151 2017 : if (drv->device_ap_sme) {
4152 0 : wpa_driver_nl80211_probe_req_report(bss, 0);
4153 0 : if (!drv->use_monitor)
4154 0 : nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
4155 2017 : } else if (drv->use_monitor)
4156 8 : nl80211_remove_monitor_interface(drv);
4157 : else
4158 2009 : nl80211_mgmt_unsubscribe(bss, "AP teardown");
4159 :
4160 2017 : bss->beacon_set = 0;
4161 2017 : }
4162 :
4163 :
4164 11096 : static int nl80211_send_eapol_data(struct i802_bss *bss,
4165 : const u8 *addr, const u8 *data,
4166 : size_t data_len)
4167 : {
4168 : struct sockaddr_ll ll;
4169 : int ret;
4170 :
4171 11096 : if (bss->drv->eapol_tx_sock < 0) {
4172 0 : wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
4173 0 : return -1;
4174 : }
4175 :
4176 11096 : os_memset(&ll, 0, sizeof(ll));
4177 11096 : ll.sll_family = AF_PACKET;
4178 11096 : ll.sll_ifindex = bss->ifindex;
4179 11096 : ll.sll_protocol = htons(ETH_P_PAE);
4180 11096 : ll.sll_halen = ETH_ALEN;
4181 11096 : os_memcpy(ll.sll_addr, addr, ETH_ALEN);
4182 11096 : ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
4183 : (struct sockaddr *) &ll, sizeof(ll));
4184 11096 : if (ret < 0)
4185 0 : wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
4186 0 : strerror(errno));
4187 :
4188 11096 : return ret;
4189 : }
4190 :
4191 :
4192 : static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4193 :
4194 11108 : static int wpa_driver_nl80211_hapd_send_eapol(
4195 : void *priv, const u8 *addr, const u8 *data,
4196 : size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
4197 : {
4198 11108 : struct i802_bss *bss = priv;
4199 11108 : struct wpa_driver_nl80211_data *drv = bss->drv;
4200 : struct ieee80211_hdr *hdr;
4201 : size_t len;
4202 : u8 *pos;
4203 : int res;
4204 11108 : int qos = flags & WPA_STA_WMM;
4205 :
4206 11108 : if (drv->device_ap_sme || !drv->use_monitor)
4207 11096 : return nl80211_send_eapol_data(bss, addr, data, data_len);
4208 :
4209 12 : len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4210 : data_len;
4211 12 : hdr = os_zalloc(len);
4212 12 : if (hdr == NULL) {
4213 0 : wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4214 : (unsigned long) len);
4215 0 : return -1;
4216 : }
4217 :
4218 12 : hdr->frame_control =
4219 : IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4220 12 : hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4221 12 : if (encrypt)
4222 0 : hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
4223 12 : if (qos) {
4224 12 : hdr->frame_control |=
4225 : host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4226 : }
4227 :
4228 12 : memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4229 12 : memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4230 12 : memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4231 12 : pos = (u8 *) (hdr + 1);
4232 :
4233 12 : if (qos) {
4234 : /* Set highest priority in QoS header */
4235 12 : pos[0] = 7;
4236 12 : pos[1] = 0;
4237 12 : pos += 2;
4238 : }
4239 :
4240 12 : memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4241 12 : pos += sizeof(rfc1042_header);
4242 12 : WPA_PUT_BE16(pos, ETH_P_PAE);
4243 12 : pos += 2;
4244 12 : memcpy(pos, data, data_len);
4245 :
4246 12 : res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
4247 : 0, 0, 0, 0);
4248 12 : if (res < 0) {
4249 0 : wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4250 : "failed: %d (%s)",
4251 0 : (unsigned long) len, errno, strerror(errno));
4252 : }
4253 12 : os_free(hdr);
4254 :
4255 12 : return res;
4256 : }
4257 :
4258 :
4259 8473 : static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
4260 : unsigned int total_flags,
4261 : unsigned int flags_or,
4262 : unsigned int flags_and)
4263 : {
4264 8473 : struct i802_bss *bss = priv;
4265 : struct nl_msg *msg;
4266 : struct nlattr *flags;
4267 : struct nl80211_sta_flag_update upd;
4268 :
4269 67784 : wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4270 : " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4271 59311 : bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4272 8473 : !!(total_flags & WPA_STA_AUTHORIZED));
4273 :
4274 16946 : if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
4275 8473 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4276 : goto fail;
4277 :
4278 : /*
4279 : * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4280 : * can be removed eventually.
4281 : */
4282 8473 : flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
4283 16946 : if (!flags ||
4284 10938 : ((total_flags & WPA_STA_AUTHORIZED) &&
4285 10938 : nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4286 16901 : ((total_flags & WPA_STA_WMM) &&
4287 16901 : nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4288 16694 : ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4289 16694 : nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4290 8666 : ((total_flags & WPA_STA_MFP) &&
4291 8666 : nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4292 8473 : ((total_flags & WPA_STA_TDLS_PEER) &&
4293 0 : nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4294 : goto fail;
4295 :
4296 8473 : nla_nest_end(msg, flags);
4297 :
4298 8473 : os_memset(&upd, 0, sizeof(upd));
4299 8473 : upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4300 8473 : upd.set = sta_flags_nl80211(flags_or);
4301 8473 : if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4302 0 : goto fail;
4303 :
4304 8473 : return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
4305 : fail:
4306 0 : nlmsg_free(msg);
4307 0 : return -ENOBUFS;
4308 : }
4309 :
4310 :
4311 339 : static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4312 : struct wpa_driver_associate_params *params)
4313 : {
4314 : enum nl80211_iftype nlmode, old_mode;
4315 :
4316 339 : if (params->p2p) {
4317 322 : wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4318 : "group (GO)");
4319 322 : nlmode = NL80211_IFTYPE_P2P_GO;
4320 : } else
4321 17 : nlmode = NL80211_IFTYPE_AP;
4322 :
4323 339 : old_mode = drv->nlmode;
4324 339 : if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
4325 0 : nl80211_remove_monitor_interface(drv);
4326 0 : return -1;
4327 : }
4328 :
4329 677 : if (params->freq.freq &&
4330 338 : nl80211_set_channel(drv->first_bss, ¶ms->freq, 0)) {
4331 1 : if (old_mode != nlmode)
4332 1 : wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
4333 1 : nl80211_remove_monitor_interface(drv);
4334 1 : return -1;
4335 : }
4336 :
4337 338 : return 0;
4338 : }
4339 :
4340 :
4341 22 : static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4342 : int reset_mode)
4343 : {
4344 : struct nl_msg *msg;
4345 : int ret;
4346 :
4347 22 : msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
4348 22 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4349 22 : if (ret) {
4350 1 : wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4351 : "(%s)", ret, strerror(-ret));
4352 : } else {
4353 21 : wpa_printf(MSG_DEBUG,
4354 : "nl80211: Leave IBSS request sent successfully");
4355 : }
4356 :
4357 43 : if (reset_mode &&
4358 21 : wpa_driver_nl80211_set_mode(drv->first_bss,
4359 : NL80211_IFTYPE_STATION)) {
4360 0 : wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4361 : "station mode");
4362 : }
4363 :
4364 22 : return ret;
4365 : }
4366 :
4367 :
4368 3356 : static int nl80211_ht_vht_overrides(struct nl_msg *msg,
4369 : struct wpa_driver_associate_params *params)
4370 : {
4371 3356 : if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4372 0 : return -1;
4373 :
4374 3356 : if (params->htcaps && params->htcaps_mask) {
4375 3356 : int sz = sizeof(struct ieee80211_ht_capabilities);
4376 3356 : wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
4377 6712 : wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4378 3356 : params->htcaps_mask, sz);
4379 3356 : if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4380 6712 : params->htcaps) ||
4381 3356 : nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4382 3356 : params->htcaps_mask))
4383 0 : return -1;
4384 : }
4385 :
4386 : #ifdef CONFIG_VHT_OVERRIDES
4387 3356 : if (params->disable_vht) {
4388 1 : wpa_printf(MSG_DEBUG, " * VHT disabled");
4389 1 : if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4390 0 : return -1;
4391 : }
4392 :
4393 3356 : if (params->vhtcaps && params->vhtcaps_mask) {
4394 3356 : int sz = sizeof(struct ieee80211_vht_capabilities);
4395 3356 : wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
4396 6712 : wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
4397 3356 : params->vhtcaps_mask, sz);
4398 3356 : if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
4399 6712 : params->vhtcaps) ||
4400 3356 : nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
4401 3356 : params->vhtcaps_mask))
4402 0 : return -1;
4403 : }
4404 : #endif /* CONFIG_VHT_OVERRIDES */
4405 :
4406 3356 : return 0;
4407 : }
4408 :
4409 :
4410 21 : static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
4411 : struct wpa_driver_associate_params *params)
4412 : {
4413 : struct nl_msg *msg;
4414 21 : int ret = -1;
4415 21 : int count = 0;
4416 :
4417 21 : wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
4418 :
4419 21 : if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, ¶ms->freq)) {
4420 0 : wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4421 : "IBSS mode");
4422 0 : return -1;
4423 : }
4424 :
4425 : retry:
4426 44 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
4427 44 : params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
4428 : goto fail;
4429 :
4430 44 : wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4431 22 : params->ssid, params->ssid_len);
4432 22 : if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4433 0 : goto fail;
4434 22 : os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4435 22 : drv->ssid_len = params->ssid_len;
4436 :
4437 44 : if (nl80211_put_freq_params(msg, ¶ms->freq) < 0 ||
4438 22 : nl80211_put_beacon_int(msg, params->beacon_int))
4439 : goto fail;
4440 :
4441 22 : ret = nl80211_set_conn_keys(params, msg);
4442 22 : if (ret)
4443 0 : goto fail;
4444 :
4445 22 : if (params->bssid && params->fixed_bssid) {
4446 24 : wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
4447 24 : MAC2STR(params->bssid));
4448 4 : if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4449 0 : goto fail;
4450 : }
4451 :
4452 22 : if (params->fixed_freq) {
4453 0 : wpa_printf(MSG_DEBUG, " * fixed_freq");
4454 0 : if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
4455 0 : goto fail;
4456 : }
4457 :
4458 44 : if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4459 37 : params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4460 30 : params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4461 15 : params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
4462 7 : wpa_printf(MSG_DEBUG, " * control port");
4463 7 : if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4464 0 : goto fail;
4465 : }
4466 :
4467 22 : if (params->wpa_ie) {
4468 44 : wpa_hexdump(MSG_DEBUG,
4469 : " * Extra IEs for Beacon/Probe Response frames",
4470 22 : params->wpa_ie, params->wpa_ie_len);
4471 22 : if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
4472 22 : params->wpa_ie))
4473 0 : goto fail;
4474 : }
4475 :
4476 22 : if (nl80211_ht_vht_overrides(msg, params) < 0)
4477 0 : return -1;
4478 :
4479 22 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4480 22 : msg = NULL;
4481 22 : if (ret) {
4482 1 : wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
4483 : ret, strerror(-ret));
4484 1 : count++;
4485 1 : if (ret == -EALREADY && count == 1) {
4486 1 : wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
4487 : "forced leave");
4488 1 : nl80211_leave_ibss(drv, 0);
4489 1 : nlmsg_free(msg);
4490 1 : goto retry;
4491 : }
4492 : } else {
4493 21 : wpa_printf(MSG_DEBUG,
4494 : "nl80211: Join IBSS request sent successfully");
4495 : }
4496 :
4497 : fail:
4498 21 : nlmsg_free(msg);
4499 21 : return ret;
4500 : }
4501 :
4502 :
4503 3334 : static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
4504 : struct wpa_driver_associate_params *params,
4505 : struct nl_msg *msg)
4506 : {
4507 3334 : if (params->bssid) {
4508 19962 : wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4509 19962 : MAC2STR(params->bssid));
4510 3327 : if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4511 0 : return -1;
4512 : }
4513 :
4514 3334 : if (params->bssid_hint) {
4515 1626 : wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
4516 1626 : MAC2STR(params->bssid_hint));
4517 271 : if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
4518 271 : params->bssid_hint))
4519 0 : return -1;
4520 : }
4521 :
4522 3334 : if (params->freq.freq) {
4523 3327 : wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
4524 3327 : if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
4525 3327 : params->freq.freq))
4526 0 : return -1;
4527 3327 : drv->assoc_freq = params->freq.freq;
4528 : } else
4529 7 : drv->assoc_freq = 0;
4530 :
4531 3334 : if (params->freq_hint) {
4532 271 : wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
4533 271 : if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
4534 271 : params->freq_hint))
4535 0 : return -1;
4536 : }
4537 :
4538 3334 : if (params->bg_scan_period >= 0) {
4539 6 : wpa_printf(MSG_DEBUG, " * bg scan period=%d",
4540 : params->bg_scan_period);
4541 6 : if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
4542 6 : params->bg_scan_period))
4543 0 : return -1;
4544 : }
4545 :
4546 3334 : if (params->ssid) {
4547 6668 : wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4548 3334 : params->ssid, params->ssid_len);
4549 3334 : if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4550 3334 : params->ssid))
4551 0 : return -1;
4552 3334 : if (params->ssid_len > sizeof(drv->ssid))
4553 0 : return -1;
4554 3334 : os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4555 3334 : drv->ssid_len = params->ssid_len;
4556 : }
4557 :
4558 3334 : wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
4559 6668 : if (params->wpa_ie &&
4560 3334 : nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
4561 0 : return -1;
4562 :
4563 3334 : if (params->wpa_proto) {
4564 2927 : enum nl80211_wpa_versions ver = 0;
4565 :
4566 2927 : if (params->wpa_proto & WPA_PROTO_WPA)
4567 60 : ver |= NL80211_WPA_VERSION_1;
4568 2927 : if (params->wpa_proto & WPA_PROTO_RSN)
4569 2865 : ver |= NL80211_WPA_VERSION_2;
4570 :
4571 2927 : wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
4572 2927 : if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4573 0 : return -1;
4574 : }
4575 :
4576 3334 : if (params->pairwise_suite != WPA_CIPHER_NONE) {
4577 2241 : u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
4578 2241 : wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
4579 2241 : if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4580 : cipher))
4581 0 : return -1;
4582 : }
4583 :
4584 3336 : if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
4585 2 : !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
4586 : /*
4587 : * This is likely to work even though many drivers do not
4588 : * advertise support for operations without GTK.
4589 : */
4590 2 : wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4591 3332 : } else if (params->group_suite != WPA_CIPHER_NONE) {
4592 2239 : u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
4593 2239 : wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
4594 2239 : if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
4595 0 : return -1;
4596 : }
4597 :
4598 5531 : if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4599 3674 : params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4600 2946 : params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
4601 2681 : params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
4602 2424 : params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
4603 2422 : params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
4604 2415 : params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4605 2390 : params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4606 2367 : params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
4607 1182 : params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
4608 2155 : int mgmt = WLAN_AKM_SUITE_PSK;
4609 :
4610 2155 : switch (params->key_mgmt_suite) {
4611 : case WPA_KEY_MGMT_CCKM:
4612 0 : mgmt = WLAN_AKM_SUITE_CCKM;
4613 0 : break;
4614 : case WPA_KEY_MGMT_IEEE8021X:
4615 1137 : mgmt = WLAN_AKM_SUITE_8021X;
4616 1137 : break;
4617 : case WPA_KEY_MGMT_FT_IEEE8021X:
4618 8 : mgmt = WLAN_AKM_SUITE_FT_8021X;
4619 8 : break;
4620 : case WPA_KEY_MGMT_FT_PSK:
4621 257 : mgmt = WLAN_AKM_SUITE_FT_PSK;
4622 257 : break;
4623 : case WPA_KEY_MGMT_IEEE8021X_SHA256:
4624 5 : mgmt = WLAN_AKM_SUITE_8021X_SHA256;
4625 5 : break;
4626 : case WPA_KEY_MGMT_PSK_SHA256:
4627 20 : mgmt = WLAN_AKM_SUITE_PSK_SHA256;
4628 20 : break;
4629 : case WPA_KEY_MGMT_OSEN:
4630 2 : mgmt = WLAN_AKM_SUITE_OSEN;
4631 2 : break;
4632 : case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
4633 3 : mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
4634 3 : break;
4635 : case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
4636 3 : mgmt = WLAN_AKM_SUITE_8021X_SUITE_B_192;
4637 3 : break;
4638 : case WPA_KEY_MGMT_PSK:
4639 : default:
4640 720 : mgmt = WLAN_AKM_SUITE_PSK;
4641 720 : break;
4642 : }
4643 2155 : wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
4644 2155 : if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
4645 0 : return -1;
4646 : }
4647 :
4648 3334 : if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4649 0 : return -1;
4650 :
4651 3392 : if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
4652 58 : nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
4653 0 : return -1;
4654 :
4655 3334 : if (params->rrm_used) {
4656 1 : u32 drv_rrm_flags = drv->capa.rrm_flags;
4657 1 : if (!(drv_rrm_flags &
4658 1 : WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) ||
4659 2 : !(drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET) ||
4660 1 : nla_put_flag(msg, NL80211_ATTR_USE_RRM))
4661 0 : return -1;
4662 : }
4663 :
4664 3334 : if (nl80211_ht_vht_overrides(msg, params) < 0)
4665 0 : return -1;
4666 :
4667 3334 : if (params->p2p)
4668 392 : wpa_printf(MSG_DEBUG, " * P2P group");
4669 :
4670 3334 : return 0;
4671 : }
4672 :
4673 :
4674 277 : static int wpa_driver_nl80211_try_connect(
4675 : struct wpa_driver_nl80211_data *drv,
4676 : struct wpa_driver_associate_params *params)
4677 : {
4678 : struct nl_msg *msg;
4679 : enum nl80211_auth_type type;
4680 : int ret;
4681 : int algs;
4682 :
4683 283 : if (params->req_key_mgmt_offload && params->psk &&
4684 6 : (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4685 0 : params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4686 0 : params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
4687 6 : wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
4688 6 : ret = issue_key_mgmt_set_key(drv, params->psk, 32);
4689 6 : if (ret)
4690 0 : return ret;
4691 : }
4692 :
4693 277 : wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
4694 277 : msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
4695 277 : if (!msg)
4696 0 : return -1;
4697 :
4698 277 : ret = nl80211_connect_common(drv, params, msg);
4699 277 : if (ret)
4700 0 : goto fail;
4701 :
4702 277 : algs = 0;
4703 277 : if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4704 276 : algs++;
4705 277 : if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4706 2 : algs++;
4707 277 : if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4708 0 : algs++;
4709 277 : if (algs > 1) {
4710 1 : wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
4711 : "selection");
4712 1 : goto skip_auth_type;
4713 : }
4714 :
4715 276 : if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4716 275 : type = NL80211_AUTHTYPE_OPEN_SYSTEM;
4717 1 : else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4718 1 : type = NL80211_AUTHTYPE_SHARED_KEY;
4719 0 : else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4720 0 : type = NL80211_AUTHTYPE_NETWORK_EAP;
4721 0 : else if (params->auth_alg & WPA_AUTH_ALG_FT)
4722 0 : type = NL80211_AUTHTYPE_FT;
4723 : else
4724 0 : goto fail;
4725 :
4726 276 : wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
4727 276 : if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
4728 0 : goto fail;
4729 :
4730 : skip_auth_type:
4731 277 : ret = nl80211_set_conn_keys(params, msg);
4732 277 : if (ret)
4733 0 : goto fail;
4734 :
4735 277 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4736 277 : msg = NULL;
4737 277 : if (ret) {
4738 4 : wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
4739 : "(%s)", ret, strerror(-ret));
4740 : } else {
4741 273 : wpa_printf(MSG_DEBUG,
4742 : "nl80211: Connect request send successfully");
4743 : }
4744 :
4745 : fail:
4746 277 : nlmsg_free(msg);
4747 277 : return ret;
4748 :
4749 : }
4750 :
4751 :
4752 273 : static int wpa_driver_nl80211_connect(
4753 : struct wpa_driver_nl80211_data *drv,
4754 : struct wpa_driver_associate_params *params)
4755 : {
4756 : int ret;
4757 :
4758 : /* Store the connection attempted bssid for future use */
4759 273 : if (params->bssid)
4760 266 : os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
4761 : else
4762 7 : os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
4763 :
4764 273 : ret = wpa_driver_nl80211_try_connect(drv, params);
4765 273 : if (ret == -EALREADY) {
4766 : /*
4767 : * cfg80211 does not currently accept new connections if
4768 : * we are already connected. As a workaround, force
4769 : * disconnection and try again.
4770 : */
4771 4 : wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
4772 : "disconnecting before reassociation "
4773 : "attempt");
4774 4 : if (wpa_driver_nl80211_disconnect(
4775 : drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
4776 0 : return -1;
4777 4 : ret = wpa_driver_nl80211_try_connect(drv, params);
4778 : }
4779 273 : return ret;
4780 : }
4781 :
4782 :
4783 3690 : static int wpa_driver_nl80211_associate(
4784 : void *priv, struct wpa_driver_associate_params *params)
4785 : {
4786 3690 : struct i802_bss *bss = priv;
4787 3690 : struct wpa_driver_nl80211_data *drv = bss->drv;
4788 3690 : int ret = -1;
4789 : struct nl_msg *msg;
4790 :
4791 3690 : nl80211_unmask_11b_rates(bss);
4792 :
4793 3690 : if (params->mode == IEEE80211_MODE_AP)
4794 339 : return wpa_driver_nl80211_ap(drv, params);
4795 :
4796 3351 : if (params->mode == IEEE80211_MODE_IBSS)
4797 21 : return wpa_driver_nl80211_ibss(drv, params);
4798 :
4799 3330 : if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
4800 273 : enum nl80211_iftype nlmode = params->p2p ?
4801 : NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
4802 :
4803 273 : if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4804 0 : return -1;
4805 273 : return wpa_driver_nl80211_connect(drv, params);
4806 : }
4807 :
4808 3057 : nl80211_mark_disconnected(drv);
4809 :
4810 3057 : wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
4811 : drv->ifindex);
4812 3057 : msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
4813 3057 : if (!msg)
4814 0 : return -1;
4815 :
4816 3057 : ret = nl80211_connect_common(drv, params, msg);
4817 3057 : if (ret)
4818 0 : goto fail;
4819 :
4820 3057 : if (params->prev_bssid) {
4821 1854 : wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
4822 1854 : MAC2STR(params->prev_bssid));
4823 309 : if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
4824 309 : params->prev_bssid))
4825 0 : goto fail;
4826 : }
4827 :
4828 3057 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4829 3057 : msg = NULL;
4830 3057 : if (ret) {
4831 0 : wpa_dbg(drv->ctx, MSG_DEBUG,
4832 : "nl80211: MLME command failed (assoc): ret=%d (%s)",
4833 : ret, strerror(-ret));
4834 0 : nl80211_dump_scan(drv);
4835 : } else {
4836 3057 : wpa_printf(MSG_DEBUG,
4837 : "nl80211: Association request send successfully");
4838 : }
4839 :
4840 : fail:
4841 3057 : nlmsg_free(msg);
4842 3057 : return ret;
4843 : }
4844 :
4845 :
4846 5732 : static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
4847 : int ifindex, enum nl80211_iftype mode)
4848 : {
4849 : struct nl_msg *msg;
4850 5732 : int ret = -ENOBUFS;
4851 :
4852 5732 : wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
4853 : ifindex, mode, nl80211_iftype_str(mode));
4854 :
4855 5732 : msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
4856 5732 : if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
4857 : goto fail;
4858 :
4859 5732 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4860 5732 : msg = NULL;
4861 5732 : if (!ret)
4862 5632 : return 0;
4863 : fail:
4864 100 : nlmsg_free(msg);
4865 100 : wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
4866 : " %d (%s)", ifindex, mode, ret, strerror(-ret));
4867 100 : return ret;
4868 : }
4869 :
4870 :
4871 5666 : static int wpa_driver_nl80211_set_mode_impl(
4872 : struct i802_bss *bss,
4873 : enum nl80211_iftype nlmode,
4874 : struct hostapd_freq_params *desired_freq_params)
4875 : {
4876 5666 : struct wpa_driver_nl80211_data *drv = bss->drv;
4877 5666 : int ret = -1;
4878 : int i;
4879 5666 : int was_ap = is_ap_interface(drv->nlmode);
4880 : int res;
4881 : int mode_switch_res;
4882 :
4883 5666 : mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4884 5666 : if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
4885 8 : mode_switch_res = 0;
4886 :
4887 5666 : if (mode_switch_res == 0) {
4888 5574 : drv->nlmode = nlmode;
4889 5574 : ret = 0;
4890 5574 : goto done;
4891 : }
4892 :
4893 92 : if (mode_switch_res == -ENODEV)
4894 26 : return -1;
4895 :
4896 66 : if (nlmode == drv->nlmode) {
4897 0 : wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
4898 : "requested mode - ignore error");
4899 0 : ret = 0;
4900 0 : goto done; /* Already in the requested mode */
4901 : }
4902 :
4903 : /* mac80211 doesn't allow mode changes while the device is up, so
4904 : * take the device down, try to set the mode again, and bring the
4905 : * device back up.
4906 : */
4907 66 : wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
4908 : "interface down");
4909 66 : for (i = 0; i < 10; i++) {
4910 66 : res = i802_set_iface_flags(bss, 0);
4911 66 : if (res == -EACCES || res == -ENODEV)
4912 : break;
4913 66 : if (res != 0) {
4914 0 : wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
4915 : "interface down");
4916 0 : os_sleep(0, 100000);
4917 0 : continue;
4918 : }
4919 :
4920 : /*
4921 : * Setting the mode will fail for some drivers if the phy is
4922 : * on a frequency that the mode is disallowed in.
4923 : */
4924 66 : if (desired_freq_params) {
4925 0 : res = nl80211_set_channel(bss, desired_freq_params, 0);
4926 0 : if (res) {
4927 0 : wpa_printf(MSG_DEBUG,
4928 : "nl80211: Failed to set frequency on interface");
4929 : }
4930 : }
4931 :
4932 : /* Try to set the mode again while the interface is down */
4933 66 : mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4934 66 : if (mode_switch_res == -EBUSY) {
4935 0 : wpa_printf(MSG_DEBUG,
4936 : "nl80211: Delaying mode set while interface going down");
4937 0 : os_sleep(0, 100000);
4938 0 : continue;
4939 : }
4940 66 : ret = mode_switch_res;
4941 66 : break;
4942 : }
4943 :
4944 66 : if (!ret) {
4945 66 : wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
4946 : "interface is down");
4947 66 : drv->nlmode = nlmode;
4948 66 : drv->ignore_if_down_event = 1;
4949 : }
4950 :
4951 : /* Bring the interface back up */
4952 66 : res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
4953 66 : if (res != 0) {
4954 0 : wpa_printf(MSG_DEBUG,
4955 : "nl80211: Failed to set interface up after switching mode");
4956 0 : ret = -1;
4957 : }
4958 :
4959 : done:
4960 5640 : if (ret) {
4961 0 : wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
4962 0 : "from %d failed", nlmode, drv->nlmode);
4963 0 : return ret;
4964 : }
4965 :
4966 5640 : if (is_p2p_net_interface(nlmode)) {
4967 645 : wpa_printf(MSG_DEBUG,
4968 : "nl80211: Interface %s mode change to P2P - disable 11b rates",
4969 645 : bss->ifname);
4970 645 : nl80211_disable_11b_rates(drv, drv->ifindex, 1);
4971 4995 : } else if (drv->disabled_11b_rates) {
4972 404 : wpa_printf(MSG_DEBUG,
4973 : "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
4974 404 : bss->ifname);
4975 404 : nl80211_disable_11b_rates(drv, drv->ifindex, 0);
4976 : }
4977 :
4978 5640 : if (is_ap_interface(nlmode)) {
4979 2078 : nl80211_mgmt_unsubscribe(bss, "start AP");
4980 : /* Setup additional AP mode functionality if needed */
4981 2078 : if (nl80211_setup_ap(bss))
4982 0 : return -1;
4983 3562 : } else if (was_ap) {
4984 : /* Remove additional AP mode functionality */
4985 1974 : nl80211_teardown_ap(bss);
4986 : } else {
4987 1588 : nl80211_mgmt_unsubscribe(bss, "mode change");
4988 : }
4989 :
4990 5679 : if (is_mesh_interface(nlmode) &&
4991 39 : nl80211_mgmt_subscribe_mesh(bss))
4992 0 : return -1;
4993 :
4994 7061 : if (!bss->in_deinit && !is_ap_interface(nlmode) &&
4995 2803 : !is_mesh_interface(nlmode) &&
4996 1382 : nl80211_mgmt_subscribe_non_ap(bss) < 0)
4997 0 : wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
4998 : "frame processing - ignore for now");
4999 :
5000 5640 : return 0;
5001 : }
5002 :
5003 :
5004 5645 : int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
5005 : enum nl80211_iftype nlmode)
5006 : {
5007 5645 : return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
5008 : }
5009 :
5010 :
5011 21 : static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
5012 : struct hostapd_freq_params *freq)
5013 : {
5014 21 : return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
5015 : freq);
5016 : }
5017 :
5018 :
5019 2804 : static int wpa_driver_nl80211_get_capa(void *priv,
5020 : struct wpa_driver_capa *capa)
5021 : {
5022 2804 : struct i802_bss *bss = priv;
5023 2804 : struct wpa_driver_nl80211_data *drv = bss->drv;
5024 :
5025 2804 : if (!drv->has_capability)
5026 0 : return -1;
5027 2804 : os_memcpy(capa, &drv->capa, sizeof(*capa));
5028 2804 : if (drv->extended_capa && drv->extended_capa_mask) {
5029 2804 : capa->extended_capa = drv->extended_capa;
5030 2804 : capa->extended_capa_mask = drv->extended_capa_mask;
5031 2804 : capa->extended_capa_len = drv->extended_capa_len;
5032 : }
5033 :
5034 2804 : return 0;
5035 : }
5036 :
5037 :
5038 19516 : static int wpa_driver_nl80211_set_operstate(void *priv, int state)
5039 : {
5040 19516 : struct i802_bss *bss = priv;
5041 19516 : struct wpa_driver_nl80211_data *drv = bss->drv;
5042 :
5043 39032 : wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
5044 19516 : bss->ifname, drv->operstate, state,
5045 : state ? "UP" : "DORMANT");
5046 19516 : drv->operstate = state;
5047 19516 : return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
5048 : state ? IF_OPER_UP : IF_OPER_DORMANT);
5049 : }
5050 :
5051 :
5052 6894 : static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
5053 : {
5054 6894 : struct i802_bss *bss = priv;
5055 6894 : struct wpa_driver_nl80211_data *drv = bss->drv;
5056 : struct nl_msg *msg;
5057 : struct nl80211_sta_flag_update upd;
5058 : int ret;
5059 :
5060 6894 : if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
5061 3532 : wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
5062 3532 : return 0;
5063 : }
5064 :
5065 20172 : wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
5066 20172 : MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
5067 :
5068 3362 : os_memset(&upd, 0, sizeof(upd));
5069 3362 : upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
5070 3362 : if (authorized)
5071 2332 : upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
5072 :
5073 6724 : if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5074 6724 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
5075 3362 : nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
5076 0 : nlmsg_free(msg);
5077 0 : return -ENOBUFS;
5078 : }
5079 :
5080 3362 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5081 3362 : if (!ret)
5082 3330 : return 0;
5083 32 : wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
5084 : ret, strerror(-ret));
5085 32 : return ret;
5086 : }
5087 :
5088 :
5089 : /* Set kernel driver on given frequency (MHz) */
5090 1965 : static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
5091 : {
5092 1965 : struct i802_bss *bss = priv;
5093 1965 : return nl80211_set_channel(bss, freq, 0);
5094 : }
5095 :
5096 :
5097 1870 : static inline int min_int(int a, int b)
5098 : {
5099 1870 : if (a < b)
5100 0 : return a;
5101 1870 : return b;
5102 : }
5103 :
5104 :
5105 1870 : static int get_key_handler(struct nl_msg *msg, void *arg)
5106 : {
5107 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
5108 1870 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5109 :
5110 1870 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5111 : genlmsg_attrlen(gnlh, 0), NULL);
5112 :
5113 : /*
5114 : * TODO: validate the key index and mac address!
5115 : * Otherwise, there's a race condition as soon as
5116 : * the kernel starts sending key notifications.
5117 : */
5118 :
5119 1870 : if (tb[NL80211_ATTR_KEY_SEQ])
5120 1870 : memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
5121 1870 : min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
5122 1870 : return NL_SKIP;
5123 : }
5124 :
5125 :
5126 1870 : static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
5127 : int idx, u8 *seq)
5128 : {
5129 1870 : struct i802_bss *bss = priv;
5130 1870 : struct wpa_driver_nl80211_data *drv = bss->drv;
5131 : struct nl_msg *msg;
5132 :
5133 1870 : msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
5134 : NL80211_CMD_GET_KEY);
5135 1870 : if (!msg ||
5136 1870 : (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
5137 1870 : nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
5138 0 : nlmsg_free(msg);
5139 0 : return -ENOBUFS;
5140 : }
5141 :
5142 1870 : memset(seq, 0, 6);
5143 :
5144 1870 : return send_and_recv_msgs(drv, msg, get_key_handler, seq);
5145 : }
5146 :
5147 :
5148 1 : static int i802_set_rts(void *priv, int rts)
5149 : {
5150 1 : struct i802_bss *bss = priv;
5151 1 : struct wpa_driver_nl80211_data *drv = bss->drv;
5152 : struct nl_msg *msg;
5153 : int ret;
5154 : u32 val;
5155 :
5156 1 : if (rts >= 2347)
5157 0 : val = (u32) -1;
5158 : else
5159 1 : val = rts;
5160 :
5161 2 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
5162 1 : nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
5163 0 : nlmsg_free(msg);
5164 0 : return -ENOBUFS;
5165 : }
5166 :
5167 1 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5168 1 : if (!ret)
5169 1 : return 0;
5170 0 : wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
5171 : "%d (%s)", rts, ret, strerror(-ret));
5172 0 : return ret;
5173 : }
5174 :
5175 :
5176 3 : static int i802_set_frag(void *priv, int frag)
5177 : {
5178 3 : struct i802_bss *bss = priv;
5179 3 : struct wpa_driver_nl80211_data *drv = bss->drv;
5180 : struct nl_msg *msg;
5181 : int ret;
5182 : u32 val;
5183 :
5184 3 : if (frag >= 2346)
5185 0 : val = (u32) -1;
5186 : else
5187 3 : val = frag;
5188 :
5189 6 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
5190 3 : nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
5191 0 : nlmsg_free(msg);
5192 0 : return -ENOBUFS;
5193 : }
5194 :
5195 3 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5196 3 : if (!ret)
5197 3 : return 0;
5198 0 : wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
5199 : "%d: %d (%s)", frag, ret, strerror(-ret));
5200 0 : return ret;
5201 : }
5202 :
5203 :
5204 1810 : static int i802_flush(void *priv)
5205 : {
5206 1810 : struct i802_bss *bss = priv;
5207 : struct nl_msg *msg;
5208 : int res;
5209 :
5210 1810 : wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5211 1810 : bss->ifname);
5212 :
5213 : /*
5214 : * XXX: FIX! this needs to flush all VLANs too
5215 : */
5216 1810 : msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5217 1810 : res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5218 1810 : if (res) {
5219 33 : wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5220 : "(%s)", res, strerror(-res));
5221 : }
5222 1810 : return res;
5223 : }
5224 :
5225 :
5226 434 : static int get_sta_handler(struct nl_msg *msg, void *arg)
5227 : {
5228 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
5229 434 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5230 434 : struct hostap_sta_driver_data *data = arg;
5231 : struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5232 : static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5233 : [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5234 : [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5235 : [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5236 : [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5237 : [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
5238 : [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
5239 : };
5240 :
5241 434 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5242 : genlmsg_attrlen(gnlh, 0), NULL);
5243 :
5244 : /*
5245 : * TODO: validate the interface and mac address!
5246 : * Otherwise, there's a race condition as soon as
5247 : * the kernel starts sending station notifications.
5248 : */
5249 :
5250 434 : if (!tb[NL80211_ATTR_STA_INFO]) {
5251 0 : wpa_printf(MSG_DEBUG, "sta stats missing!");
5252 0 : return NL_SKIP;
5253 : }
5254 434 : if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5255 : tb[NL80211_ATTR_STA_INFO],
5256 : stats_policy)) {
5257 0 : wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5258 0 : return NL_SKIP;
5259 : }
5260 :
5261 434 : if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5262 434 : data->inactive_msec =
5263 434 : nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
5264 434 : if (stats[NL80211_STA_INFO_RX_BYTES])
5265 434 : data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5266 434 : if (stats[NL80211_STA_INFO_TX_BYTES])
5267 434 : data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
5268 434 : if (stats[NL80211_STA_INFO_RX_PACKETS])
5269 434 : data->rx_packets =
5270 434 : nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5271 434 : if (stats[NL80211_STA_INFO_TX_PACKETS])
5272 434 : data->tx_packets =
5273 434 : nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
5274 434 : if (stats[NL80211_STA_INFO_TX_FAILED])
5275 434 : data->tx_retry_failed =
5276 434 : nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
5277 :
5278 434 : return NL_SKIP;
5279 : }
5280 :
5281 435 : static int i802_read_sta_data(struct i802_bss *bss,
5282 : struct hostap_sta_driver_data *data,
5283 : const u8 *addr)
5284 : {
5285 : struct nl_msg *msg;
5286 :
5287 435 : os_memset(data, 0, sizeof(*data));
5288 :
5289 870 : if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
5290 435 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
5291 0 : nlmsg_free(msg);
5292 0 : return -ENOBUFS;
5293 : }
5294 :
5295 435 : return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
5296 : }
5297 :
5298 :
5299 6600 : static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
5300 : int cw_min, int cw_max, int burst_time)
5301 : {
5302 6600 : struct i802_bss *bss = priv;
5303 6600 : struct wpa_driver_nl80211_data *drv = bss->drv;
5304 : struct nl_msg *msg;
5305 : struct nlattr *txq, *params;
5306 :
5307 6600 : msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
5308 6600 : if (!msg)
5309 0 : return -1;
5310 :
5311 6600 : txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
5312 6600 : if (!txq)
5313 0 : goto fail;
5314 :
5315 : /* We are only sending parameters for a single TXQ at a time */
5316 6600 : params = nla_nest_start(msg, 1);
5317 6600 : if (!params)
5318 0 : goto fail;
5319 :
5320 6600 : switch (queue) {
5321 : case 0:
5322 1650 : if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
5323 0 : goto fail;
5324 1650 : break;
5325 : case 1:
5326 1650 : if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
5327 0 : goto fail;
5328 1650 : break;
5329 : case 2:
5330 1650 : if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
5331 0 : goto fail;
5332 1650 : break;
5333 : case 3:
5334 1650 : if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
5335 0 : goto fail;
5336 1650 : break;
5337 : }
5338 : /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5339 : * 32 usec, so need to convert the value here. */
5340 6600 : if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
5341 13200 : (burst_time * 100 + 16) / 32) ||
5342 13200 : nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
5343 13200 : nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
5344 6600 : nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
5345 : goto fail;
5346 :
5347 6600 : nla_nest_end(msg, params);
5348 :
5349 6600 : nla_nest_end(msg, txq);
5350 :
5351 6600 : if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5352 6460 : return 0;
5353 140 : msg = NULL;
5354 : fail:
5355 140 : nlmsg_free(msg);
5356 140 : return -1;
5357 : }
5358 :
5359 :
5360 3465 : static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
5361 : const char *ifname, int vlan_id)
5362 : {
5363 3465 : struct wpa_driver_nl80211_data *drv = bss->drv;
5364 : struct nl_msg *msg;
5365 : int ret;
5366 :
5367 31185 : wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5368 : ", ifname=%s[%d], vlan_id=%d)",
5369 6930 : bss->ifname, if_nametoindex(bss->ifname),
5370 20790 : MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
5371 6930 : if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5372 6930 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5373 3465 : nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
5374 0 : nlmsg_free(msg);
5375 0 : return -ENOBUFS;
5376 : }
5377 :
5378 3465 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5379 3465 : if (ret < 0) {
5380 0 : wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5381 : MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
5382 0 : MAC2STR(addr), ifname, vlan_id, ret,
5383 : strerror(-ret));
5384 : }
5385 3465 : return ret;
5386 : }
5387 :
5388 :
5389 8 : static int i802_get_inact_sec(void *priv, const u8 *addr)
5390 : {
5391 : struct hostap_sta_driver_data data;
5392 : int ret;
5393 :
5394 8 : data.inactive_msec = (unsigned long) -1;
5395 8 : ret = i802_read_sta_data(priv, &data, addr);
5396 8 : if (ret == -ENOENT)
5397 0 : return -ENOENT;
5398 8 : if (ret || data.inactive_msec == (unsigned long) -1)
5399 0 : return -1;
5400 8 : return data.inactive_msec / 1000;
5401 : }
5402 :
5403 :
5404 1983 : static int i802_sta_clear_stats(void *priv, const u8 *addr)
5405 : {
5406 : #if 0
5407 : /* TODO */
5408 : #endif
5409 1983 : return 0;
5410 : }
5411 :
5412 :
5413 4390 : static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
5414 : int reason)
5415 : {
5416 4390 : struct i802_bss *bss = priv;
5417 4390 : struct wpa_driver_nl80211_data *drv = bss->drv;
5418 : struct ieee80211_mgmt mgmt;
5419 :
5420 4390 : if (is_mesh_interface(drv->nlmode))
5421 39 : return -1;
5422 :
5423 4351 : if (drv->device_ap_sme)
5424 0 : return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
5425 :
5426 4351 : memset(&mgmt, 0, sizeof(mgmt));
5427 4351 : mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5428 : WLAN_FC_STYPE_DEAUTH);
5429 4351 : memcpy(mgmt.da, addr, ETH_ALEN);
5430 4351 : memcpy(mgmt.sa, own_addr, ETH_ALEN);
5431 4351 : memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5432 4351 : mgmt.u.deauth.reason_code = host_to_le16(reason);
5433 4351 : return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5434 : IEEE80211_HDRLEN +
5435 : sizeof(mgmt.u.deauth), 0, 0, 0, 0,
5436 : 0);
5437 : }
5438 :
5439 :
5440 5 : static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
5441 : int reason)
5442 : {
5443 5 : struct i802_bss *bss = priv;
5444 5 : struct wpa_driver_nl80211_data *drv = bss->drv;
5445 : struct ieee80211_mgmt mgmt;
5446 :
5447 5 : if (is_mesh_interface(drv->nlmode))
5448 0 : return -1;
5449 :
5450 5 : if (drv->device_ap_sme)
5451 0 : return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
5452 :
5453 5 : memset(&mgmt, 0, sizeof(mgmt));
5454 5 : mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5455 : WLAN_FC_STYPE_DISASSOC);
5456 5 : memcpy(mgmt.da, addr, ETH_ALEN);
5457 5 : memcpy(mgmt.sa, own_addr, ETH_ALEN);
5458 5 : memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5459 5 : mgmt.u.disassoc.reason_code = host_to_le16(reason);
5460 5 : return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5461 : IEEE80211_HDRLEN +
5462 : sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
5463 : 0);
5464 : }
5465 :
5466 :
5467 4087 : static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
5468 : {
5469 : char buf[200], *pos, *end;
5470 : int i, res;
5471 :
5472 4087 : pos = buf;
5473 4087 : end = pos + sizeof(buf);
5474 :
5475 69496 : for (i = 0; i < drv->num_if_indices; i++) {
5476 65409 : if (!drv->if_indices[i])
5477 63046 : continue;
5478 2363 : res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]);
5479 2363 : if (os_snprintf_error(end - pos, res))
5480 0 : break;
5481 2363 : pos += res;
5482 : }
5483 4087 : *pos = '\0';
5484 :
5485 4087 : wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
5486 : drv->num_if_indices, buf);
5487 4087 : }
5488 :
5489 :
5490 2040 : static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5491 : {
5492 : int i;
5493 : int *old;
5494 :
5495 2040 : wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
5496 : ifidx);
5497 2040 : if (have_ifidx(drv, ifidx)) {
5498 283 : wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
5499 : ifidx);
5500 283 : return;
5501 : }
5502 2060 : for (i = 0; i < drv->num_if_indices; i++) {
5503 2059 : if (drv->if_indices[i] == 0) {
5504 1756 : drv->if_indices[i] = ifidx;
5505 1756 : dump_ifidx(drv);
5506 1756 : return;
5507 : }
5508 : }
5509 :
5510 1 : if (drv->if_indices != drv->default_if_indices)
5511 0 : old = drv->if_indices;
5512 : else
5513 1 : old = NULL;
5514 :
5515 1 : drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
5516 : sizeof(int));
5517 1 : if (!drv->if_indices) {
5518 0 : if (!old)
5519 0 : drv->if_indices = drv->default_if_indices;
5520 : else
5521 0 : drv->if_indices = old;
5522 0 : wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
5523 : "interfaces");
5524 0 : wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
5525 0 : return;
5526 1 : } else if (!old)
5527 1 : os_memcpy(drv->if_indices, drv->default_if_indices,
5528 : sizeof(drv->default_if_indices));
5529 1 : drv->if_indices[drv->num_if_indices] = ifidx;
5530 1 : drv->num_if_indices++;
5531 1 : dump_ifidx(drv);
5532 : }
5533 :
5534 :
5535 2330 : static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5536 : {
5537 : int i;
5538 :
5539 38286 : for (i = 0; i < drv->num_if_indices; i++) {
5540 36054 : if (drv->if_indices[i] == ifidx) {
5541 98 : drv->if_indices[i] = 0;
5542 98 : break;
5543 : }
5544 : }
5545 2330 : dump_ifidx(drv);
5546 2330 : }
5547 :
5548 :
5549 141527 : static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5550 : {
5551 : int i;
5552 :
5553 2264740 : for (i = 0; i < drv->num_if_indices; i++)
5554 2132180 : if (drv->if_indices[i] == ifidx)
5555 8967 : return 1;
5556 :
5557 132560 : return 0;
5558 : }
5559 :
5560 :
5561 2 : static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
5562 : const char *bridge_ifname, char *ifname_wds)
5563 : {
5564 2 : struct i802_bss *bss = priv;
5565 2 : struct wpa_driver_nl80211_data *drv = bss->drv;
5566 : char name[IFNAMSIZ + 1];
5567 :
5568 2 : os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
5569 2 : if (ifname_wds)
5570 1 : os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
5571 :
5572 12 : wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
5573 12 : " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
5574 2 : if (val) {
5575 1 : if (!if_nametoindex(name)) {
5576 1 : if (nl80211_create_iface(drv, name,
5577 : NL80211_IFTYPE_AP_VLAN,
5578 1 : bss->addr, 1, NULL, NULL, 0) <
5579 : 0)
5580 0 : return -1;
5581 2 : if (bridge_ifname &&
5582 1 : linux_br_add_if(drv->global->ioctl_sock,
5583 : bridge_ifname, name) < 0)
5584 0 : return -1;
5585 : }
5586 1 : if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
5587 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
5588 : "interface %s up", name);
5589 : }
5590 1 : return i802_set_sta_vlan(priv, addr, name, 0);
5591 : } else {
5592 1 : if (bridge_ifname)
5593 1 : linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
5594 : name);
5595 :
5596 1 : i802_set_sta_vlan(priv, addr, bss->ifname, 0);
5597 1 : nl80211_remove_iface(drv, if_nametoindex(name));
5598 1 : return 0;
5599 : }
5600 : }
5601 :
5602 :
5603 19332 : static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
5604 : {
5605 19332 : struct wpa_driver_nl80211_data *drv = eloop_ctx;
5606 : struct sockaddr_ll lladdr;
5607 : unsigned char buf[3000];
5608 : int len;
5609 19332 : socklen_t fromlen = sizeof(lladdr);
5610 :
5611 19332 : len = recvfrom(sock, buf, sizeof(buf), 0,
5612 : (struct sockaddr *)&lladdr, &fromlen);
5613 19332 : if (len < 0) {
5614 0 : wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
5615 0 : strerror(errno));
5616 19332 : return;
5617 : }
5618 :
5619 19332 : if (have_ifidx(drv, lladdr.sll_ifindex))
5620 8105 : drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
5621 : }
5622 :
5623 :
5624 19 : static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
5625 : struct i802_bss *bss,
5626 : const char *brname, const char *ifname)
5627 : {
5628 : int br_ifindex;
5629 : char in_br[IFNAMSIZ];
5630 :
5631 19 : os_strlcpy(bss->brname, brname, IFNAMSIZ);
5632 19 : br_ifindex = if_nametoindex(brname);
5633 19 : if (br_ifindex == 0) {
5634 : /*
5635 : * Bridge was configured, but the bridge device does
5636 : * not exist. Try to add it now.
5637 : */
5638 12 : if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
5639 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
5640 : "bridge interface %s: %s",
5641 0 : brname, strerror(errno));
5642 0 : return -1;
5643 : }
5644 12 : bss->added_bridge = 1;
5645 12 : br_ifindex = if_nametoindex(brname);
5646 12 : add_ifidx(drv, br_ifindex);
5647 : }
5648 19 : bss->br_ifindex = br_ifindex;
5649 :
5650 19 : if (linux_br_get(in_br, ifname) == 0) {
5651 1 : if (os_strcmp(in_br, brname) == 0)
5652 0 : return 0; /* already in the bridge */
5653 :
5654 1 : wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
5655 : "bridge %s", ifname, in_br);
5656 1 : if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
5657 : 0) {
5658 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to "
5659 : "remove interface %s from bridge "
5660 : "%s: %s",
5661 0 : ifname, brname, strerror(errno));
5662 0 : return -1;
5663 : }
5664 : }
5665 :
5666 19 : wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
5667 : ifname, brname);
5668 19 : if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
5669 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
5670 : "into bridge %s: %s",
5671 0 : ifname, brname, strerror(errno));
5672 0 : return -1;
5673 : }
5674 19 : bss->added_if_into_bridge = 1;
5675 :
5676 19 : return 0;
5677 : }
5678 :
5679 :
5680 1651 : static void *i802_init(struct hostapd_data *hapd,
5681 : struct wpa_init_params *params)
5682 : {
5683 : struct wpa_driver_nl80211_data *drv;
5684 : struct i802_bss *bss;
5685 : size_t i;
5686 : char master_ifname[IFNAMSIZ];
5687 1651 : int ifindex, br_ifindex = 0;
5688 1651 : int br_added = 0;
5689 :
5690 1651 : bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
5691 : params->global_priv, 1,
5692 : params->bssid, params->driver_params);
5693 1651 : if (bss == NULL)
5694 12 : return NULL;
5695 :
5696 1639 : drv = bss->drv;
5697 :
5698 1639 : if (linux_br_get(master_ifname, params->ifname) == 0) {
5699 2 : wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
5700 : params->ifname, master_ifname);
5701 2 : br_ifindex = if_nametoindex(master_ifname);
5702 2 : os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
5703 3256 : } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
5704 1619 : linux_master_get(master_ifname, params->ifname) == 0) {
5705 0 : wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
5706 : params->ifname, master_ifname);
5707 : /* start listening for EAPOL on the master interface */
5708 0 : add_ifidx(drv, if_nametoindex(master_ifname));
5709 : } else {
5710 1637 : master_ifname[0] = '\0';
5711 : }
5712 :
5713 1639 : bss->br_ifindex = br_ifindex;
5714 :
5715 3286 : for (i = 0; i < params->num_bridge; i++) {
5716 1647 : if (params->bridge[i]) {
5717 19 : ifindex = if_nametoindex(params->bridge[i]);
5718 19 : if (ifindex)
5719 7 : add_ifidx(drv, ifindex);
5720 19 : if (ifindex == br_ifindex)
5721 11 : br_added = 1;
5722 : }
5723 : }
5724 :
5725 : /* start listening for EAPOL on the default AP interface */
5726 1639 : add_ifidx(drv, drv->ifindex);
5727 :
5728 1639 : if (params->num_bridge && params->bridge[0]) {
5729 19 : if (i802_check_bridge(drv, bss, params->bridge[0],
5730 : params->ifname) < 0)
5731 0 : goto failed;
5732 19 : if (os_strcmp(params->bridge[0], master_ifname) != 0)
5733 19 : br_added = 1;
5734 : }
5735 :
5736 1640 : if (!br_added && br_ifindex &&
5737 2 : (params->num_bridge == 0 || !params->bridge[0]))
5738 1 : add_ifidx(drv, br_ifindex);
5739 :
5740 : #ifdef CONFIG_LIBNL3_ROUTE
5741 1639 : if (bss->added_if_into_bridge) {
5742 19 : drv->rtnl_sk = nl_socket_alloc();
5743 19 : if (drv->rtnl_sk == NULL) {
5744 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
5745 0 : goto failed;
5746 : }
5747 :
5748 19 : if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
5749 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
5750 0 : strerror(errno));
5751 0 : goto failed;
5752 : }
5753 : }
5754 : #endif /* CONFIG_LIBNL3_ROUTE */
5755 :
5756 1639 : drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
5757 1639 : if (drv->eapol_sock < 0) {
5758 0 : wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
5759 0 : strerror(errno));
5760 0 : goto failed;
5761 : }
5762 :
5763 1639 : if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
5764 : {
5765 1 : wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
5766 1 : goto failed;
5767 : }
5768 :
5769 1638 : if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
5770 : params->own_addr))
5771 0 : goto failed;
5772 1638 : os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
5773 :
5774 1638 : memcpy(bss->addr, params->own_addr, ETH_ALEN);
5775 :
5776 1638 : return bss;
5777 :
5778 : failed:
5779 1 : wpa_driver_nl80211_deinit(bss);
5780 1 : return NULL;
5781 : }
5782 :
5783 :
5784 1638 : static void i802_deinit(void *priv)
5785 : {
5786 1638 : struct i802_bss *bss = priv;
5787 1638 : wpa_driver_nl80211_deinit(bss);
5788 1638 : }
5789 :
5790 :
5791 230 : static enum nl80211_iftype wpa_driver_nl80211_if_type(
5792 : enum wpa_driver_if_type type)
5793 : {
5794 230 : switch (type) {
5795 : case WPA_IF_STATION:
5796 11 : return NL80211_IFTYPE_STATION;
5797 : case WPA_IF_P2P_CLIENT:
5798 : case WPA_IF_P2P_GROUP:
5799 41 : return NL80211_IFTYPE_P2P_CLIENT;
5800 : case WPA_IF_AP_VLAN:
5801 21 : return NL80211_IFTYPE_AP_VLAN;
5802 : case WPA_IF_AP_BSS:
5803 43 : return NL80211_IFTYPE_AP;
5804 : case WPA_IF_P2P_GO:
5805 102 : return NL80211_IFTYPE_P2P_GO;
5806 : case WPA_IF_P2P_DEVICE:
5807 8 : return NL80211_IFTYPE_P2P_DEVICE;
5808 : case WPA_IF_MESH:
5809 4 : return NL80211_IFTYPE_MESH_POINT;
5810 : default:
5811 0 : return -1;
5812 : }
5813 : }
5814 :
5815 :
5816 2332 : static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
5817 : {
5818 : struct wpa_driver_nl80211_data *drv;
5819 50179 : dl_list_for_each(drv, &global->interfaces,
5820 : struct wpa_driver_nl80211_data, list) {
5821 50022 : if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
5822 2175 : return 1;
5823 : }
5824 157 : return 0;
5825 : }
5826 :
5827 :
5828 81 : static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
5829 : {
5830 : unsigned int idx;
5831 :
5832 81 : if (!drv->global)
5833 0 : return -1;
5834 :
5835 81 : os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
5836 2175 : for (idx = 0; idx < 64; idx++) {
5837 2174 : new_addr[0] = drv->first_bss->addr[0] | 0x02;
5838 2174 : new_addr[0] ^= idx << 2;
5839 2174 : if (!nl80211_addr_in_use(drv->global, new_addr))
5840 80 : break;
5841 : }
5842 81 : if (idx == 64)
5843 1 : return -1;
5844 :
5845 480 : wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
5846 480 : MACSTR, MAC2STR(new_addr));
5847 :
5848 80 : return 0;
5849 : }
5850 :
5851 :
5852 : struct wdev_info {
5853 : u64 wdev_id;
5854 : int wdev_id_set;
5855 : u8 macaddr[ETH_ALEN];
5856 : };
5857 :
5858 8 : static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
5859 : {
5860 8 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5861 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
5862 8 : struct wdev_info *wi = arg;
5863 :
5864 8 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5865 : genlmsg_attrlen(gnlh, 0), NULL);
5866 8 : if (tb[NL80211_ATTR_WDEV]) {
5867 8 : wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
5868 8 : wi->wdev_id_set = 1;
5869 : }
5870 :
5871 8 : if (tb[NL80211_ATTR_MAC])
5872 8 : os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
5873 : ETH_ALEN);
5874 :
5875 8 : return NL_SKIP;
5876 : }
5877 :
5878 :
5879 230 : static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
5880 : const char *ifname, const u8 *addr,
5881 : void *bss_ctx, void **drv_priv,
5882 : char *force_ifname, u8 *if_addr,
5883 : const char *bridge, int use_existing)
5884 : {
5885 : enum nl80211_iftype nlmode;
5886 230 : struct i802_bss *bss = priv;
5887 230 : struct wpa_driver_nl80211_data *drv = bss->drv;
5888 : int ifidx;
5889 230 : int added = 1;
5890 :
5891 230 : if (addr)
5892 64 : os_memcpy(if_addr, addr, ETH_ALEN);
5893 230 : nlmode = wpa_driver_nl80211_if_type(type);
5894 230 : if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
5895 : struct wdev_info p2pdev_info;
5896 :
5897 8 : os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
5898 8 : ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
5899 : 0, nl80211_wdev_handler,
5900 : &p2pdev_info, use_existing);
5901 8 : if (!p2pdev_info.wdev_id_set || ifidx != 0) {
5902 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
5903 : ifname);
5904 0 : return -1;
5905 : }
5906 :
5907 8 : drv->global->if_add_wdevid = p2pdev_info.wdev_id;
5908 8 : drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
5909 8 : if (!is_zero_ether_addr(p2pdev_info.macaddr))
5910 8 : os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
5911 8 : wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
5912 : ifname,
5913 8 : (long long unsigned int) p2pdev_info.wdev_id);
5914 : } else {
5915 222 : ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
5916 : 0, NULL, NULL, use_existing);
5917 222 : if (use_existing && ifidx == -ENFILE) {
5918 1 : added = 0;
5919 1 : ifidx = if_nametoindex(ifname);
5920 221 : } else if (ifidx < 0) {
5921 0 : return -1;
5922 : }
5923 : }
5924 :
5925 230 : if (!addr) {
5926 166 : if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
5927 8 : os_memcpy(if_addr, bss->addr, ETH_ALEN);
5928 158 : else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
5929 : ifname, if_addr) < 0) {
5930 0 : if (added)
5931 0 : nl80211_remove_iface(drv, ifidx);
5932 0 : return -1;
5933 : }
5934 : }
5935 :
5936 230 : if (!addr &&
5937 152 : (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
5938 23 : type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
5939 : type == WPA_IF_STATION)) {
5940 : /* Enforce unique address */
5941 : u8 new_addr[ETH_ALEN];
5942 :
5943 158 : if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
5944 : new_addr) < 0) {
5945 0 : if (added)
5946 0 : nl80211_remove_iface(drv, ifidx);
5947 1 : return -1;
5948 : }
5949 158 : if (nl80211_addr_in_use(drv->global, new_addr)) {
5950 81 : wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
5951 : "for interface %s type %d", ifname, type);
5952 81 : if (nl80211_vif_addr(drv, new_addr) < 0) {
5953 1 : if (added)
5954 1 : nl80211_remove_iface(drv, ifidx);
5955 1 : return -1;
5956 : }
5957 80 : if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5958 : new_addr) < 0) {
5959 0 : if (added)
5960 0 : nl80211_remove_iface(drv, ifidx);
5961 0 : return -1;
5962 : }
5963 : }
5964 157 : os_memcpy(if_addr, new_addr, ETH_ALEN);
5965 : }
5966 :
5967 229 : if (type == WPA_IF_AP_BSS) {
5968 43 : struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
5969 43 : if (new_bss == NULL) {
5970 0 : if (added)
5971 0 : nl80211_remove_iface(drv, ifidx);
5972 0 : return -1;
5973 : }
5974 :
5975 43 : if (bridge &&
5976 0 : i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
5977 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
5978 : "interface %s to a bridge %s",
5979 : ifname, bridge);
5980 0 : if (added)
5981 0 : nl80211_remove_iface(drv, ifidx);
5982 0 : os_free(new_bss);
5983 0 : return -1;
5984 : }
5985 :
5986 43 : if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
5987 : {
5988 0 : if (added)
5989 0 : nl80211_remove_iface(drv, ifidx);
5990 0 : os_free(new_bss);
5991 0 : return -1;
5992 : }
5993 43 : os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
5994 43 : os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
5995 43 : new_bss->ifindex = ifidx;
5996 43 : new_bss->drv = drv;
5997 43 : new_bss->next = drv->first_bss->next;
5998 43 : new_bss->freq = drv->first_bss->freq;
5999 43 : new_bss->ctx = bss_ctx;
6000 43 : new_bss->added_if = added;
6001 43 : drv->first_bss->next = new_bss;
6002 43 : if (drv_priv)
6003 43 : *drv_priv = new_bss;
6004 43 : nl80211_init_bss(new_bss);
6005 :
6006 : /* Subscribe management frames for this WPA_IF_AP_BSS */
6007 43 : if (nl80211_setup_ap(new_bss))
6008 0 : return -1;
6009 : }
6010 :
6011 229 : if (drv->global)
6012 229 : drv->global->if_add_ifindex = ifidx;
6013 :
6014 : /*
6015 : * Some virtual interfaces need to process EAPOL packets and events on
6016 : * the parent interface. This is used mainly with hostapd.
6017 : */
6018 450 : if (ifidx > 0 &&
6019 378 : (drv->hostapd ||
6020 157 : nlmode == NL80211_IFTYPE_AP_VLAN ||
6021 157 : nlmode == NL80211_IFTYPE_WDS ||
6022 : nlmode == NL80211_IFTYPE_MONITOR))
6023 64 : add_ifidx(drv, ifidx);
6024 :
6025 229 : return 0;
6026 : }
6027 :
6028 :
6029 217 : static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
6030 : enum wpa_driver_if_type type,
6031 : const char *ifname)
6032 : {
6033 217 : struct wpa_driver_nl80211_data *drv = bss->drv;
6034 217 : int ifindex = if_nametoindex(ifname);
6035 :
6036 217 : wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
6037 217 : __func__, type, ifname, ifindex, bss->added_if);
6038 217 : if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
6039 213 : nl80211_remove_iface(drv, ifindex);
6040 4 : else if (ifindex > 0 && !bss->added_if) {
6041 : struct wpa_driver_nl80211_data *drv2;
6042 2 : dl_list_for_each(drv2, &drv->global->interfaces,
6043 : struct wpa_driver_nl80211_data, list)
6044 1 : del_ifidx(drv2, ifindex);
6045 : }
6046 :
6047 217 : if (type != WPA_IF_AP_BSS)
6048 174 : return 0;
6049 :
6050 43 : if (bss->added_if_into_bridge) {
6051 0 : if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
6052 0 : bss->ifname) < 0)
6053 0 : wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6054 : "interface %s from bridge %s: %s",
6055 0 : bss->ifname, bss->brname, strerror(errno));
6056 : }
6057 43 : if (bss->added_bridge) {
6058 0 : if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
6059 0 : wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6060 : "bridge %s: %s",
6061 0 : bss->brname, strerror(errno));
6062 : }
6063 :
6064 43 : if (bss != drv->first_bss) {
6065 : struct i802_bss *tbss;
6066 :
6067 43 : wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
6068 166 : for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
6069 166 : if (tbss->next == bss) {
6070 43 : tbss->next = bss->next;
6071 : /* Unsubscribe management frames */
6072 43 : nl80211_teardown_ap(bss);
6073 43 : nl80211_destroy_bss(bss);
6074 43 : if (!bss->added_if)
6075 1 : i802_set_iface_flags(bss, 0);
6076 43 : os_free(bss);
6077 43 : bss = NULL;
6078 43 : break;
6079 : }
6080 : }
6081 43 : if (bss)
6082 0 : wpa_printf(MSG_INFO, "nl80211: %s - could not find "
6083 : "BSS %p in the list", __func__, bss);
6084 : } else {
6085 0 : wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
6086 0 : nl80211_teardown_ap(bss);
6087 0 : if (!bss->added_if && !drv->first_bss->next)
6088 0 : wpa_driver_nl80211_del_beacon(drv);
6089 0 : nl80211_destroy_bss(bss);
6090 0 : if (!bss->added_if)
6091 0 : i802_set_iface_flags(bss, 0);
6092 0 : if (drv->first_bss->next) {
6093 0 : drv->first_bss = drv->first_bss->next;
6094 0 : drv->ctx = drv->first_bss->ctx;
6095 0 : os_free(bss);
6096 : } else {
6097 0 : wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
6098 : }
6099 : }
6100 :
6101 43 : return 0;
6102 : }
6103 :
6104 :
6105 15686 : static int cookie_handler(struct nl_msg *msg, void *arg)
6106 : {
6107 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
6108 15686 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6109 15686 : u64 *cookie = arg;
6110 15686 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6111 : genlmsg_attrlen(gnlh, 0), NULL);
6112 15686 : if (tb[NL80211_ATTR_COOKIE])
6113 15686 : *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
6114 15686 : return NL_SKIP;
6115 : }
6116 :
6117 :
6118 19966 : static int nl80211_send_frame_cmd(struct i802_bss *bss,
6119 : unsigned int freq, unsigned int wait,
6120 : const u8 *buf, size_t buf_len,
6121 : u64 *cookie_out, int no_cck, int no_ack,
6122 : int offchanok)
6123 : {
6124 19966 : struct wpa_driver_nl80211_data *drv = bss->drv;
6125 : struct nl_msg *msg;
6126 : u64 cookie;
6127 19966 : int ret = -1;
6128 :
6129 19966 : wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
6130 : "no_ack=%d offchanok=%d",
6131 : freq, wait, no_cck, no_ack, offchanok);
6132 19966 : wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
6133 :
6134 19966 : if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
6135 19925 : (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
6136 1793 : (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
6137 4102 : (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6138 4102 : drv->test_use_roc_tx) &&
6139 24068 : nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
6140 2134 : (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
6141 24267 : (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
6142 19966 : nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
6143 : goto fail;
6144 :
6145 19966 : cookie = 0;
6146 19966 : ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6147 19966 : msg = NULL;
6148 19966 : if (ret) {
6149 1778 : wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
6150 : "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
6151 : freq, wait);
6152 : } else {
6153 18188 : wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
6154 : "cookie 0x%llx", no_ack ? " (no ACK)" : "",
6155 : (long long unsigned int) cookie);
6156 :
6157 18188 : if (cookie_out)
6158 17448 : *cookie_out = no_ack ? (u64) -1 : cookie;
6159 : }
6160 :
6161 : fail:
6162 19966 : nlmsg_free(msg);
6163 19966 : return ret;
6164 : }
6165 :
6166 :
6167 3363 : static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
6168 : unsigned int freq,
6169 : unsigned int wait_time,
6170 : const u8 *dst, const u8 *src,
6171 : const u8 *bssid,
6172 : const u8 *data, size_t data_len,
6173 : int no_cck)
6174 : {
6175 3363 : struct wpa_driver_nl80211_data *drv = bss->drv;
6176 3363 : int ret = -1;
6177 : u8 *buf;
6178 : struct ieee80211_hdr *hdr;
6179 :
6180 3363 : wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
6181 : "freq=%u MHz wait=%d ms no_cck=%d)",
6182 : drv->ifindex, freq, wait_time, no_cck);
6183 :
6184 3363 : buf = os_zalloc(24 + data_len);
6185 3363 : if (buf == NULL)
6186 1 : return ret;
6187 3362 : os_memcpy(buf + 24, data, data_len);
6188 3362 : hdr = (struct ieee80211_hdr *) buf;
6189 3362 : hdr->frame_control =
6190 : IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
6191 3362 : os_memcpy(hdr->addr1, dst, ETH_ALEN);
6192 3362 : os_memcpy(hdr->addr2, src, ETH_ALEN);
6193 3362 : os_memcpy(hdr->addr3, bssid, ETH_ALEN);
6194 :
6195 4049 : if (is_ap_interface(drv->nlmode) &&
6196 1374 : (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6197 705 : (int) freq == bss->freq || drv->device_ap_sme ||
6198 9 : !drv->use_monitor))
6199 687 : ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
6200 : 0, freq, no_cck, 1,
6201 : wait_time);
6202 : else
6203 2675 : ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
6204 : 24 + data_len,
6205 : &drv->send_action_cookie,
6206 : no_cck, 0, 1);
6207 :
6208 3362 : os_free(buf);
6209 3362 : return ret;
6210 : }
6211 :
6212 :
6213 1174 : static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
6214 : {
6215 1174 : struct i802_bss *bss = priv;
6216 1174 : struct wpa_driver_nl80211_data *drv = bss->drv;
6217 : struct nl_msg *msg;
6218 : int ret;
6219 :
6220 1174 : wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
6221 1174 : (long long unsigned int) drv->send_action_cookie);
6222 2348 : if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
6223 1174 : nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie)) {
6224 0 : nlmsg_free(msg);
6225 1174 : return;
6226 : }
6227 :
6228 1174 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6229 1174 : if (ret)
6230 121 : wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
6231 : "(%s)", ret, strerror(-ret));
6232 : }
6233 :
6234 :
6235 1795 : static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
6236 : unsigned int duration)
6237 : {
6238 1795 : struct i802_bss *bss = priv;
6239 1795 : struct wpa_driver_nl80211_data *drv = bss->drv;
6240 : struct nl_msg *msg;
6241 : int ret;
6242 : u64 cookie;
6243 :
6244 3590 : if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
6245 3590 : nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
6246 1795 : nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
6247 0 : nlmsg_free(msg);
6248 0 : return -1;
6249 : }
6250 :
6251 1795 : cookie = 0;
6252 1795 : ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6253 1795 : if (ret == 0) {
6254 1795 : wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
6255 : "0x%llx for freq=%u MHz duration=%u",
6256 : (long long unsigned int) cookie, freq, duration);
6257 1795 : drv->remain_on_chan_cookie = cookie;
6258 1795 : drv->pending_remain_on_chan = 1;
6259 1795 : return 0;
6260 : }
6261 0 : wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
6262 : "(freq=%d duration=%u): %d (%s)",
6263 : freq, duration, ret, strerror(-ret));
6264 0 : return -1;
6265 : }
6266 :
6267 :
6268 831 : static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
6269 : {
6270 831 : struct i802_bss *bss = priv;
6271 831 : struct wpa_driver_nl80211_data *drv = bss->drv;
6272 : struct nl_msg *msg;
6273 : int ret;
6274 :
6275 831 : if (!drv->pending_remain_on_chan) {
6276 0 : wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
6277 : "to cancel");
6278 0 : return -1;
6279 : }
6280 :
6281 831 : wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
6282 : "0x%llx",
6283 831 : (long long unsigned int) drv->remain_on_chan_cookie);
6284 :
6285 831 : msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
6286 1662 : if (!msg ||
6287 831 : nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
6288 0 : nlmsg_free(msg);
6289 0 : return -1;
6290 : }
6291 :
6292 831 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6293 831 : if (ret == 0)
6294 831 : return 0;
6295 0 : wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
6296 : "%d (%s)", ret, strerror(-ret));
6297 0 : return -1;
6298 : }
6299 :
6300 :
6301 31231 : static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
6302 : {
6303 31231 : struct wpa_driver_nl80211_data *drv = bss->drv;
6304 :
6305 31231 : if (!report) {
6306 29429 : if (bss->nl_preq && drv->device_ap_sme &&
6307 0 : is_ap_interface(drv->nlmode) && !bss->in_deinit &&
6308 0 : !bss->static_ap) {
6309 : /*
6310 : * Do not disable Probe Request reporting that was
6311 : * enabled in nl80211_setup_ap().
6312 : */
6313 0 : wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
6314 : "Probe Request reporting nl_preq=%p while "
6315 : "in AP mode", bss->nl_preq);
6316 29429 : } else if (bss->nl_preq) {
6317 1385 : wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
6318 : "reporting nl_preq=%p", bss->nl_preq);
6319 1385 : nl80211_destroy_eloop_handle(&bss->nl_preq);
6320 : }
6321 29429 : return 0;
6322 : }
6323 :
6324 1802 : if (bss->nl_preq) {
6325 412 : wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
6326 : "already on! nl_preq=%p", bss->nl_preq);
6327 412 : return 0;
6328 : }
6329 :
6330 1390 : bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
6331 1390 : if (bss->nl_preq == NULL)
6332 0 : return -1;
6333 1390 : wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
6334 : "reporting nl_preq=%p", bss->nl_preq);
6335 :
6336 1390 : if (nl80211_register_frame(bss, bss->nl_preq,
6337 : (WLAN_FC_TYPE_MGMT << 2) |
6338 : (WLAN_FC_STYPE_PROBE_REQ << 4),
6339 : NULL, 0) < 0)
6340 5 : goto out_err;
6341 :
6342 1385 : nl80211_register_eloop_read(&bss->nl_preq,
6343 : wpa_driver_nl80211_event_receive,
6344 1385 : bss->nl_cb);
6345 :
6346 1385 : return 0;
6347 :
6348 : out_err:
6349 5 : nl_destroy_handles(&bss->nl_preq);
6350 5 : return -1;
6351 : }
6352 :
6353 :
6354 1299 : static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
6355 : int ifindex, int disabled)
6356 : {
6357 : struct nl_msg *msg;
6358 : struct nlattr *bands, *band;
6359 : int ret;
6360 :
6361 1299 : wpa_printf(MSG_DEBUG,
6362 : "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6363 : ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
6364 : "no NL80211_TXRATE_LEGACY constraint");
6365 :
6366 1299 : msg = nl80211_ifindex_msg(drv, ifindex, 0,
6367 : NL80211_CMD_SET_TX_BITRATE_MASK);
6368 1299 : if (!msg)
6369 0 : return -1;
6370 :
6371 1299 : bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
6372 1299 : if (!bands)
6373 0 : goto fail;
6374 :
6375 : /*
6376 : * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6377 : * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6378 : * rates. All 5 GHz rates are left enabled.
6379 : */
6380 1299 : band = nla_nest_start(msg, NL80211_BAND_2GHZ);
6381 1299 : if (!band ||
6382 788 : (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
6383 : "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6384 : goto fail;
6385 1299 : nla_nest_end(msg, band);
6386 :
6387 1299 : nla_nest_end(msg, bands);
6388 :
6389 1299 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6390 1299 : if (ret) {
6391 286 : wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
6392 : "(%s)", ret, strerror(-ret));
6393 : } else
6394 1013 : drv->disabled_11b_rates = disabled;
6395 :
6396 1299 : return ret;
6397 :
6398 : fail:
6399 0 : nlmsg_free(msg);
6400 0 : return -1;
6401 : }
6402 :
6403 :
6404 338 : static int wpa_driver_nl80211_deinit_ap(void *priv)
6405 : {
6406 338 : struct i802_bss *bss = priv;
6407 338 : struct wpa_driver_nl80211_data *drv = bss->drv;
6408 338 : if (!is_ap_interface(drv->nlmode))
6409 0 : return -1;
6410 338 : wpa_driver_nl80211_del_beacon(drv);
6411 338 : bss->beacon_set = 0;
6412 :
6413 : /*
6414 : * If the P2P GO interface was dynamically added, then it is
6415 : * possible that the interface change to station is not possible.
6416 : */
6417 338 : if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
6418 104 : return 0;
6419 :
6420 234 : return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6421 : }
6422 :
6423 :
6424 2 : static int wpa_driver_nl80211_stop_ap(void *priv)
6425 : {
6426 2 : struct i802_bss *bss = priv;
6427 2 : struct wpa_driver_nl80211_data *drv = bss->drv;
6428 2 : if (!is_ap_interface(drv->nlmode))
6429 0 : return -1;
6430 2 : wpa_driver_nl80211_del_beacon(drv);
6431 2 : bss->beacon_set = 0;
6432 2 : return 0;
6433 : }
6434 :
6435 :
6436 185 : static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
6437 : {
6438 185 : struct i802_bss *bss = priv;
6439 185 : struct wpa_driver_nl80211_data *drv = bss->drv;
6440 185 : if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
6441 1 : return -1;
6442 :
6443 : /*
6444 : * If the P2P Client interface was dynamically added, then it is
6445 : * possible that the interface change to station is not possible.
6446 : */
6447 184 : if (bss->if_dynamic)
6448 0 : return 0;
6449 :
6450 184 : return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6451 : }
6452 :
6453 :
6454 2 : static void wpa_driver_nl80211_resume(void *priv)
6455 : {
6456 2 : struct i802_bss *bss = priv;
6457 :
6458 2 : if (i802_set_iface_flags(bss, 1))
6459 0 : wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
6460 2 : }
6461 :
6462 :
6463 10 : static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
6464 : {
6465 10 : struct i802_bss *bss = priv;
6466 10 : struct wpa_driver_nl80211_data *drv = bss->drv;
6467 : struct nl_msg *msg;
6468 : struct nlattr *cqm;
6469 :
6470 10 : wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
6471 : "hysteresis=%d", threshold, hysteresis);
6472 :
6473 10 : if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
6474 10 : !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
6475 20 : nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
6476 10 : nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
6477 0 : nlmsg_free(msg);
6478 0 : return -1;
6479 : }
6480 10 : nla_nest_end(msg, cqm);
6481 :
6482 10 : return send_and_recv_msgs(drv, msg, NULL, NULL);
6483 : }
6484 :
6485 :
6486 45 : static int get_channel_width(struct nl_msg *msg, void *arg)
6487 : {
6488 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
6489 45 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6490 45 : struct wpa_signal_info *sig_change = arg;
6491 :
6492 45 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6493 : genlmsg_attrlen(gnlh, 0), NULL);
6494 :
6495 45 : sig_change->center_frq1 = -1;
6496 45 : sig_change->center_frq2 = -1;
6497 45 : sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
6498 :
6499 45 : if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
6500 45 : sig_change->chanwidth = convert2width(
6501 45 : nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
6502 45 : if (tb[NL80211_ATTR_CENTER_FREQ1])
6503 45 : sig_change->center_frq1 =
6504 45 : nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
6505 45 : if (tb[NL80211_ATTR_CENTER_FREQ2])
6506 1 : sig_change->center_frq2 =
6507 1 : nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
6508 : }
6509 :
6510 45 : return NL_SKIP;
6511 : }
6512 :
6513 :
6514 45 : static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
6515 : struct wpa_signal_info *sig)
6516 : {
6517 : struct nl_msg *msg;
6518 :
6519 45 : msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
6520 45 : return send_and_recv_msgs(drv, msg, get_channel_width, sig);
6521 : }
6522 :
6523 :
6524 45 : static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
6525 : {
6526 45 : struct i802_bss *bss = priv;
6527 45 : struct wpa_driver_nl80211_data *drv = bss->drv;
6528 : int res;
6529 :
6530 45 : os_memset(si, 0, sizeof(*si));
6531 45 : res = nl80211_get_link_signal(drv, si);
6532 45 : if (res != 0)
6533 0 : return res;
6534 :
6535 45 : res = nl80211_get_channel_width(drv, si);
6536 45 : if (res != 0)
6537 0 : return res;
6538 :
6539 45 : return nl80211_get_link_noise(drv, si);
6540 : }
6541 :
6542 :
6543 65 : static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
6544 : int encrypt)
6545 : {
6546 65 : struct i802_bss *bss = priv;
6547 65 : return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
6548 : 0, 0, 0, 0);
6549 : }
6550 :
6551 :
6552 534 : static int nl80211_set_param(void *priv, const char *param)
6553 : {
6554 534 : wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
6555 534 : if (param == NULL)
6556 254 : return 0;
6557 :
6558 : #ifdef CONFIG_P2P
6559 278 : if (os_strstr(param, "use_p2p_group_interface=1")) {
6560 0 : struct i802_bss *bss = priv;
6561 0 : struct wpa_driver_nl80211_data *drv = bss->drv;
6562 :
6563 0 : wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
6564 : "interface");
6565 0 : drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
6566 0 : drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
6567 : }
6568 : #endif /* CONFIG_P2P */
6569 :
6570 280 : if (os_strstr(param, "use_monitor=1")) {
6571 7 : struct i802_bss *bss = priv;
6572 7 : struct wpa_driver_nl80211_data *drv = bss->drv;
6573 7 : drv->use_monitor = 1;
6574 : }
6575 :
6576 280 : if (os_strstr(param, "force_connect_cmd=1")) {
6577 268 : struct i802_bss *bss = priv;
6578 268 : struct wpa_driver_nl80211_data *drv = bss->drv;
6579 268 : drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
6580 268 : drv->force_connect_cmd = 1;
6581 : }
6582 :
6583 280 : if (os_strstr(param, "no_offchannel_tx=1")) {
6584 5 : struct i802_bss *bss = priv;
6585 5 : struct wpa_driver_nl80211_data *drv = bss->drv;
6586 5 : drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
6587 5 : drv->test_use_roc_tx = 1;
6588 : }
6589 :
6590 280 : return 0;
6591 : }
6592 :
6593 :
6594 46 : static void * nl80211_global_init(void)
6595 : {
6596 : struct nl80211_global *global;
6597 : struct netlink_config *cfg;
6598 :
6599 46 : global = os_zalloc(sizeof(*global));
6600 46 : if (global == NULL)
6601 0 : return NULL;
6602 46 : global->ioctl_sock = -1;
6603 46 : dl_list_init(&global->interfaces);
6604 46 : global->if_add_ifindex = -1;
6605 :
6606 46 : cfg = os_zalloc(sizeof(*cfg));
6607 46 : if (cfg == NULL)
6608 0 : goto err;
6609 :
6610 46 : cfg->ctx = global;
6611 46 : cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
6612 46 : cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
6613 46 : global->netlink = netlink_init(cfg);
6614 46 : if (global->netlink == NULL) {
6615 0 : os_free(cfg);
6616 0 : goto err;
6617 : }
6618 :
6619 46 : if (wpa_driver_nl80211_init_nl_global(global) < 0)
6620 0 : goto err;
6621 :
6622 46 : global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
6623 46 : if (global->ioctl_sock < 0) {
6624 0 : wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
6625 0 : strerror(errno));
6626 0 : goto err;
6627 : }
6628 :
6629 46 : return global;
6630 :
6631 : err:
6632 0 : nl80211_global_deinit(global);
6633 0 : return NULL;
6634 : }
6635 :
6636 :
6637 46 : static void nl80211_global_deinit(void *priv)
6638 : {
6639 46 : struct nl80211_global *global = priv;
6640 46 : if (global == NULL)
6641 46 : return;
6642 46 : if (!dl_list_empty(&global->interfaces)) {
6643 0 : wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
6644 : "nl80211_global_deinit",
6645 : dl_list_len(&global->interfaces));
6646 : }
6647 :
6648 46 : if (global->netlink)
6649 46 : netlink_deinit(global->netlink);
6650 :
6651 46 : nl_destroy_handles(&global->nl);
6652 :
6653 46 : if (global->nl_event)
6654 46 : nl80211_destroy_eloop_handle(&global->nl_event);
6655 :
6656 46 : nl_cb_put(global->nl_cb);
6657 :
6658 46 : if (global->ioctl_sock >= 0)
6659 46 : close(global->ioctl_sock);
6660 :
6661 46 : os_free(global);
6662 : }
6663 :
6664 :
6665 2487 : static const char * nl80211_get_radio_name(void *priv)
6666 : {
6667 2487 : struct i802_bss *bss = priv;
6668 2487 : struct wpa_driver_nl80211_data *drv = bss->drv;
6669 2487 : return drv->phyname;
6670 : }
6671 :
6672 :
6673 2087 : static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
6674 : const u8 *pmkid)
6675 : {
6676 : struct nl_msg *msg;
6677 :
6678 2087 : if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
6679 1556 : (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
6680 1556 : (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
6681 0 : nlmsg_free(msg);
6682 0 : return -ENOBUFS;
6683 : }
6684 :
6685 2087 : return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
6686 : }
6687 :
6688 :
6689 778 : static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6690 : {
6691 778 : struct i802_bss *bss = priv;
6692 778 : wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
6693 778 : return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
6694 : }
6695 :
6696 :
6697 778 : static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6698 : {
6699 778 : struct i802_bss *bss = priv;
6700 4668 : wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
6701 4668 : MAC2STR(bssid));
6702 778 : return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
6703 : }
6704 :
6705 :
6706 531 : static int nl80211_flush_pmkid(void *priv)
6707 : {
6708 531 : struct i802_bss *bss = priv;
6709 531 : wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
6710 531 : return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
6711 : }
6712 :
6713 :
6714 50 : static void clean_survey_results(struct survey_results *survey_results)
6715 : {
6716 : struct freq_survey *survey, *tmp;
6717 :
6718 50 : if (dl_list_empty(&survey_results->survey_list))
6719 95 : return;
6720 :
6721 10 : dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
6722 : struct freq_survey, list) {
6723 5 : dl_list_del(&survey->list);
6724 5 : os_free(survey);
6725 : }
6726 : }
6727 :
6728 :
6729 50 : static void add_survey(struct nlattr **sinfo, u32 ifidx,
6730 : struct dl_list *survey_list)
6731 : {
6732 : struct freq_survey *survey;
6733 :
6734 50 : survey = os_zalloc(sizeof(struct freq_survey));
6735 50 : if (!survey)
6736 50 : return;
6737 :
6738 50 : survey->ifidx = ifidx;
6739 50 : survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6740 50 : survey->filled = 0;
6741 :
6742 50 : if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
6743 50 : survey->nf = (int8_t)
6744 50 : nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
6745 50 : survey->filled |= SURVEY_HAS_NF;
6746 : }
6747 :
6748 50 : if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
6749 0 : survey->channel_time =
6750 0 : nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
6751 0 : survey->filled |= SURVEY_HAS_CHAN_TIME;
6752 : }
6753 :
6754 50 : if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
6755 0 : survey->channel_time_busy =
6756 0 : nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
6757 0 : survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
6758 : }
6759 :
6760 50 : if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
6761 0 : survey->channel_time_rx =
6762 0 : nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
6763 0 : survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
6764 : }
6765 :
6766 50 : if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
6767 0 : survey->channel_time_tx =
6768 0 : nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
6769 0 : survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
6770 : }
6771 :
6772 100 : 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)",
6773 : survey->freq,
6774 50 : survey->nf,
6775 : (unsigned long int) survey->channel_time,
6776 : (unsigned long int) survey->channel_time_busy,
6777 : (unsigned long int) survey->channel_time_tx,
6778 : (unsigned long int) survey->channel_time_rx,
6779 : survey->filled);
6780 :
6781 50 : dl_list_add_tail(survey_list, &survey->list);
6782 : }
6783 :
6784 :
6785 50 : static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
6786 : unsigned int freq_filter)
6787 : {
6788 50 : if (!freq_filter)
6789 45 : return 1;
6790 :
6791 5 : return freq_filter == surveyed_freq;
6792 : }
6793 :
6794 :
6795 50 : static int survey_handler(struct nl_msg *msg, void *arg)
6796 : {
6797 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
6798 50 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6799 : struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
6800 : struct survey_results *survey_results;
6801 50 : u32 surveyed_freq = 0;
6802 : u32 ifidx;
6803 :
6804 : static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
6805 : [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
6806 : [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
6807 : };
6808 :
6809 50 : survey_results = (struct survey_results *) arg;
6810 :
6811 50 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6812 : genlmsg_attrlen(gnlh, 0), NULL);
6813 :
6814 50 : if (!tb[NL80211_ATTR_IFINDEX])
6815 0 : return NL_SKIP;
6816 :
6817 50 : ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
6818 :
6819 50 : if (!tb[NL80211_ATTR_SURVEY_INFO])
6820 0 : return NL_SKIP;
6821 :
6822 50 : if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
6823 : tb[NL80211_ATTR_SURVEY_INFO],
6824 : survey_policy))
6825 0 : return NL_SKIP;
6826 :
6827 50 : if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
6828 0 : wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
6829 0 : return NL_SKIP;
6830 : }
6831 :
6832 50 : surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6833 :
6834 50 : if (!check_survey_ok(sinfo, surveyed_freq,
6835 : survey_results->freq_filter))
6836 0 : return NL_SKIP;
6837 :
6838 55 : if (survey_results->freq_filter &&
6839 5 : survey_results->freq_filter != surveyed_freq) {
6840 0 : wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
6841 : surveyed_freq);
6842 0 : return NL_SKIP;
6843 : }
6844 :
6845 50 : add_survey(sinfo, ifidx, &survey_results->survey_list);
6846 :
6847 50 : return NL_SKIP;
6848 : }
6849 :
6850 :
6851 50 : static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
6852 : {
6853 50 : struct i802_bss *bss = priv;
6854 50 : struct wpa_driver_nl80211_data *drv = bss->drv;
6855 : struct nl_msg *msg;
6856 : int err;
6857 : union wpa_event_data data;
6858 : struct survey_results *survey_results;
6859 :
6860 50 : os_memset(&data, 0, sizeof(data));
6861 50 : survey_results = &data.survey_results;
6862 :
6863 50 : dl_list_init(&survey_results->survey_list);
6864 :
6865 50 : msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
6866 50 : if (!msg)
6867 0 : return -ENOBUFS;
6868 :
6869 50 : if (freq)
6870 5 : data.survey_results.freq_filter = freq;
6871 :
6872 : do {
6873 50 : wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
6874 50 : err = send_and_recv_msgs(drv, msg, survey_handler,
6875 : survey_results);
6876 50 : } while (err > 0);
6877 :
6878 50 : if (err)
6879 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
6880 : else
6881 50 : wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
6882 :
6883 50 : clean_survey_results(survey_results);
6884 50 : return err;
6885 : }
6886 :
6887 :
6888 1549 : static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
6889 : const u8 *kck, size_t kck_len,
6890 : const u8 *replay_ctr)
6891 : {
6892 1549 : struct i802_bss *bss = priv;
6893 1549 : struct wpa_driver_nl80211_data *drv = bss->drv;
6894 : struct nlattr *replay_nested;
6895 : struct nl_msg *msg;
6896 : int ret;
6897 :
6898 1549 : if (!drv->set_rekey_offload)
6899 1485 : return;
6900 :
6901 64 : wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
6902 64 : if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
6903 64 : !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
6904 128 : nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
6905 128 : nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck) ||
6906 64 : nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
6907 : replay_ctr)) {
6908 0 : nl80211_nlmsg_clear(msg);
6909 0 : nlmsg_free(msg);
6910 0 : return;
6911 : }
6912 :
6913 64 : nla_nest_end(msg, replay_nested);
6914 :
6915 64 : ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
6916 64 : if (ret == -EOPNOTSUPP) {
6917 64 : wpa_printf(MSG_DEBUG,
6918 : "nl80211: Driver does not support rekey offload");
6919 64 : drv->set_rekey_offload = 0;
6920 : }
6921 : }
6922 :
6923 :
6924 0 : static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
6925 : const u8 *addr, int qos)
6926 : {
6927 : /* send data frame to poll STA and check whether
6928 : * this frame is ACKed */
6929 : struct {
6930 : struct ieee80211_hdr hdr;
6931 : u16 qos_ctl;
6932 : } STRUCT_PACKED nulldata;
6933 : size_t size;
6934 :
6935 : /* Send data frame to poll STA and check whether this frame is ACKed */
6936 :
6937 0 : os_memset(&nulldata, 0, sizeof(nulldata));
6938 :
6939 0 : if (qos) {
6940 0 : nulldata.hdr.frame_control =
6941 : IEEE80211_FC(WLAN_FC_TYPE_DATA,
6942 : WLAN_FC_STYPE_QOS_NULL);
6943 0 : size = sizeof(nulldata);
6944 : } else {
6945 0 : nulldata.hdr.frame_control =
6946 : IEEE80211_FC(WLAN_FC_TYPE_DATA,
6947 : WLAN_FC_STYPE_NULLFUNC);
6948 0 : size = sizeof(struct ieee80211_hdr);
6949 : }
6950 :
6951 0 : nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
6952 0 : os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
6953 0 : os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
6954 0 : os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
6955 :
6956 0 : if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
6957 : 0, 0) < 0)
6958 0 : wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
6959 : "send poll frame");
6960 0 : }
6961 :
6962 2 : static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
6963 : int qos)
6964 : {
6965 2 : struct i802_bss *bss = priv;
6966 2 : struct wpa_driver_nl80211_data *drv = bss->drv;
6967 : struct nl_msg *msg;
6968 : int ret;
6969 :
6970 2 : if (!drv->poll_command_supported) {
6971 0 : nl80211_send_null_frame(bss, own_addr, addr, qos);
6972 0 : return;
6973 : }
6974 :
6975 4 : if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
6976 2 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
6977 0 : nlmsg_free(msg);
6978 0 : return;
6979 : }
6980 :
6981 2 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6982 2 : if (ret < 0) {
6983 0 : wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
6984 : MACSTR " failed: ret=%d (%s)",
6985 0 : MAC2STR(addr), ret, strerror(-ret));
6986 : }
6987 : }
6988 :
6989 :
6990 3 : static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
6991 : {
6992 : struct nl_msg *msg;
6993 :
6994 6 : if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
6995 3 : nla_put_u32(msg, NL80211_ATTR_PS_STATE,
6996 : enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
6997 0 : nlmsg_free(msg);
6998 0 : return -ENOBUFS;
6999 : }
7000 3 : return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
7001 : }
7002 :
7003 :
7004 8 : static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
7005 : int ctwindow)
7006 : {
7007 8 : struct i802_bss *bss = priv;
7008 :
7009 8 : wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
7010 : "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
7011 :
7012 8 : if (opp_ps != -1 || ctwindow != -1) {
7013 : #ifdef ANDROID_P2P
7014 : wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
7015 : #else /* ANDROID_P2P */
7016 2 : return -1; /* Not yet supported */
7017 : #endif /* ANDROID_P2P */
7018 : }
7019 :
7020 6 : if (legacy_ps == -1)
7021 1 : return 0;
7022 5 : if (legacy_ps != 0 && legacy_ps != 1)
7023 2 : return -1; /* Not yet supported */
7024 :
7025 3 : return nl80211_set_power_save(bss, legacy_ps);
7026 : }
7027 :
7028 :
7029 13 : static int nl80211_start_radar_detection(void *priv,
7030 : struct hostapd_freq_params *freq)
7031 : {
7032 13 : struct i802_bss *bss = priv;
7033 13 : struct wpa_driver_nl80211_data *drv = bss->drv;
7034 : struct nl_msg *msg;
7035 : int ret;
7036 :
7037 13 : 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)",
7038 : freq->freq, freq->ht_enabled, freq->vht_enabled,
7039 : freq->bandwidth, freq->center_freq1, freq->center_freq2);
7040 :
7041 13 : if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
7042 0 : wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
7043 : "detection");
7044 0 : return -1;
7045 : }
7046 :
7047 26 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
7048 13 : nl80211_put_freq_params(msg, freq) < 0) {
7049 0 : nlmsg_free(msg);
7050 0 : return -1;
7051 : }
7052 :
7053 13 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7054 13 : if (ret == 0)
7055 12 : return 0;
7056 1 : wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
7057 : "%d (%s)", ret, strerror(-ret));
7058 1 : return -1;
7059 : }
7060 :
7061 : #ifdef CONFIG_TDLS
7062 :
7063 132 : static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
7064 : u8 dialog_token, u16 status_code,
7065 : u32 peer_capab, int initiator, const u8 *buf,
7066 : size_t len)
7067 : {
7068 132 : struct i802_bss *bss = priv;
7069 132 : struct wpa_driver_nl80211_data *drv = bss->drv;
7070 : struct nl_msg *msg;
7071 :
7072 132 : if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7073 0 : return -EOPNOTSUPP;
7074 :
7075 132 : if (!dst)
7076 0 : return -EINVAL;
7077 :
7078 264 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
7079 264 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7080 264 : nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
7081 264 : nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
7082 132 : nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
7083 : goto fail;
7084 132 : if (peer_capab) {
7085 : /*
7086 : * The internal enum tdls_peer_capability definition is
7087 : * currently identical with the nl80211 enum
7088 : * nl80211_tdls_peer_capability, so no conversion is needed
7089 : * here.
7090 : */
7091 26 : if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
7092 : peer_capab))
7093 0 : goto fail;
7094 : }
7095 218 : if ((initiator &&
7096 218 : nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
7097 132 : nla_put(msg, NL80211_ATTR_IE, len, buf))
7098 : goto fail;
7099 :
7100 132 : return send_and_recv_msgs(drv, msg, NULL, NULL);
7101 :
7102 : fail:
7103 0 : nlmsg_free(msg);
7104 0 : return -ENOBUFS;
7105 : }
7106 :
7107 :
7108 4983 : static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
7109 : {
7110 4983 : struct i802_bss *bss = priv;
7111 4983 : struct wpa_driver_nl80211_data *drv = bss->drv;
7112 : struct nl_msg *msg;
7113 : enum nl80211_tdls_operation nl80211_oper;
7114 :
7115 4983 : if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7116 0 : return -EOPNOTSUPP;
7117 :
7118 4983 : switch (oper) {
7119 : case TDLS_DISCOVERY_REQ:
7120 0 : nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
7121 0 : break;
7122 : case TDLS_SETUP:
7123 0 : nl80211_oper = NL80211_TDLS_SETUP;
7124 0 : break;
7125 : case TDLS_TEARDOWN:
7126 0 : nl80211_oper = NL80211_TDLS_TEARDOWN;
7127 0 : break;
7128 : case TDLS_ENABLE_LINK:
7129 51 : nl80211_oper = NL80211_TDLS_ENABLE_LINK;
7130 51 : break;
7131 : case TDLS_DISABLE_LINK:
7132 61 : nl80211_oper = NL80211_TDLS_DISABLE_LINK;
7133 61 : break;
7134 : case TDLS_ENABLE:
7135 4870 : return 0;
7136 : case TDLS_DISABLE:
7137 1 : return 0;
7138 : default:
7139 0 : return -EINVAL;
7140 : }
7141 :
7142 224 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
7143 224 : nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
7144 112 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
7145 0 : nlmsg_free(msg);
7146 0 : return -ENOBUFS;
7147 : }
7148 :
7149 112 : return send_and_recv_msgs(drv, msg, NULL, NULL);
7150 : }
7151 :
7152 :
7153 : static int
7154 1 : nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
7155 : const struct hostapd_freq_params *params)
7156 : {
7157 1 : struct i802_bss *bss = priv;
7158 1 : struct wpa_driver_nl80211_data *drv = bss->drv;
7159 : struct nl_msg *msg;
7160 1 : int ret = -ENOBUFS;
7161 :
7162 2 : if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7163 1 : !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7164 0 : return -EOPNOTSUPP;
7165 :
7166 7 : wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
7167 : " oper_class=%u freq=%u",
7168 6 : MAC2STR(addr), oper_class, params->freq);
7169 1 : msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
7170 2 : if (!msg ||
7171 2 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7172 2 : nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
7173 : (ret = nl80211_put_freq_params(msg, params))) {
7174 0 : nlmsg_free(msg);
7175 0 : wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
7176 0 : return ret;
7177 : }
7178 :
7179 1 : return send_and_recv_msgs(drv, msg, NULL, NULL);
7180 : }
7181 :
7182 :
7183 : static int
7184 1 : nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
7185 : {
7186 1 : struct i802_bss *bss = priv;
7187 1 : struct wpa_driver_nl80211_data *drv = bss->drv;
7188 : struct nl_msg *msg;
7189 :
7190 2 : if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7191 1 : !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7192 0 : return -EOPNOTSUPP;
7193 :
7194 6 : wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
7195 6 : MAC2STR(addr));
7196 1 : msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
7197 2 : if (!msg ||
7198 1 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7199 0 : nlmsg_free(msg);
7200 0 : wpa_printf(MSG_DEBUG,
7201 : "nl80211: Could not build TDLS cancel chan switch");
7202 0 : return -ENOBUFS;
7203 : }
7204 :
7205 1 : return send_and_recv_msgs(drv, msg, NULL, NULL);
7206 : }
7207 :
7208 : #endif /* CONFIG TDLS */
7209 :
7210 :
7211 37044 : static int driver_nl80211_set_key(const char *ifname, void *priv,
7212 : enum wpa_alg alg, const u8 *addr,
7213 : int key_idx, int set_tx,
7214 : const u8 *seq, size_t seq_len,
7215 : const u8 *key, size_t key_len)
7216 : {
7217 37044 : struct i802_bss *bss = priv;
7218 37044 : return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
7219 : set_tx, seq, seq_len, key, key_len);
7220 : }
7221 :
7222 :
7223 4788 : static int driver_nl80211_scan2(void *priv,
7224 : struct wpa_driver_scan_params *params)
7225 : {
7226 4788 : struct i802_bss *bss = priv;
7227 4788 : return wpa_driver_nl80211_scan(bss, params);
7228 : }
7229 :
7230 :
7231 2924 : static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
7232 : int reason_code)
7233 : {
7234 2924 : struct i802_bss *bss = priv;
7235 2924 : return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
7236 : }
7237 :
7238 :
7239 3320 : static int driver_nl80211_authenticate(void *priv,
7240 : struct wpa_driver_auth_params *params)
7241 : {
7242 3320 : struct i802_bss *bss = priv;
7243 3320 : return wpa_driver_nl80211_authenticate(bss, params);
7244 : }
7245 :
7246 :
7247 532 : static void driver_nl80211_deinit(void *priv)
7248 : {
7249 532 : struct i802_bss *bss = priv;
7250 532 : wpa_driver_nl80211_deinit(bss);
7251 532 : }
7252 :
7253 :
7254 217 : static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
7255 : const char *ifname)
7256 : {
7257 217 : struct i802_bss *bss = priv;
7258 217 : return wpa_driver_nl80211_if_remove(bss, type, ifname);
7259 : }
7260 :
7261 :
7262 12273 : static int driver_nl80211_send_mlme(void *priv, const u8 *data,
7263 : size_t data_len, int noack,
7264 : unsigned int freq)
7265 : {
7266 12273 : struct i802_bss *bss = priv;
7267 12273 : return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
7268 : freq, 0, 0, 0);
7269 : }
7270 :
7271 :
7272 6217 : static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
7273 : {
7274 6217 : struct i802_bss *bss = priv;
7275 6217 : return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
7276 : }
7277 :
7278 :
7279 3463 : static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
7280 : const char *ifname, int vlan_id)
7281 : {
7282 3463 : struct i802_bss *bss = priv;
7283 3463 : return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
7284 : }
7285 :
7286 :
7287 427 : static int driver_nl80211_read_sta_data(void *priv,
7288 : struct hostap_sta_driver_data *data,
7289 : const u8 *addr)
7290 : {
7291 427 : struct i802_bss *bss = priv;
7292 427 : return i802_read_sta_data(bss, data, addr);
7293 : }
7294 :
7295 :
7296 3363 : static int driver_nl80211_send_action(void *priv, unsigned int freq,
7297 : unsigned int wait_time,
7298 : const u8 *dst, const u8 *src,
7299 : const u8 *bssid,
7300 : const u8 *data, size_t data_len,
7301 : int no_cck)
7302 : {
7303 3363 : struct i802_bss *bss = priv;
7304 3363 : return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
7305 : bssid, data, data_len, no_cck);
7306 : }
7307 :
7308 :
7309 29110 : static int driver_nl80211_probe_req_report(void *priv, int report)
7310 : {
7311 29110 : struct i802_bss *bss = priv;
7312 29110 : return wpa_driver_nl80211_probe_req_report(bss, report);
7313 : }
7314 :
7315 :
7316 0 : static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
7317 : const u8 *ies, size_t ies_len)
7318 : {
7319 : int ret;
7320 : struct nl_msg *msg;
7321 0 : struct i802_bss *bss = priv;
7322 0 : struct wpa_driver_nl80211_data *drv = bss->drv;
7323 0 : u16 mdid = WPA_GET_LE16(md);
7324 :
7325 0 : wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
7326 0 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
7327 0 : nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
7328 0 : nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
7329 0 : nlmsg_free(msg);
7330 0 : return -ENOBUFS;
7331 : }
7332 :
7333 0 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7334 0 : if (ret) {
7335 0 : wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
7336 : "err=%d (%s)", ret, strerror(-ret));
7337 : }
7338 :
7339 0 : return ret;
7340 : }
7341 :
7342 :
7343 553 : const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
7344 : {
7345 553 : struct i802_bss *bss = priv;
7346 553 : struct wpa_driver_nl80211_data *drv = bss->drv;
7347 :
7348 553 : if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
7349 545 : return NULL;
7350 :
7351 8 : return bss->addr;
7352 : }
7353 :
7354 :
7355 5852 : static const char * scan_state_str(enum scan_states scan_state)
7356 : {
7357 5852 : switch (scan_state) {
7358 : case NO_SCAN:
7359 137 : return "NO_SCAN";
7360 : case SCAN_REQUESTED:
7361 1 : return "SCAN_REQUESTED";
7362 : case SCAN_STARTED:
7363 23 : return "SCAN_STARTED";
7364 : case SCAN_COMPLETED:
7365 5655 : return "SCAN_COMPLETED";
7366 : case SCAN_ABORTED:
7367 36 : return "SCAN_ABORTED";
7368 : case SCHED_SCAN_STARTED:
7369 0 : return "SCHED_SCAN_STARTED";
7370 : case SCHED_SCAN_STOPPED:
7371 0 : return "SCHED_SCAN_STOPPED";
7372 : case SCHED_SCAN_RESULTS:
7373 0 : return "SCHED_SCAN_RESULTS";
7374 : }
7375 :
7376 0 : return "??";
7377 : }
7378 :
7379 :
7380 5852 : static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
7381 : {
7382 5852 : struct i802_bss *bss = priv;
7383 5852 : struct wpa_driver_nl80211_data *drv = bss->drv;
7384 : int res;
7385 : char *pos, *end;
7386 :
7387 5852 : pos = buf;
7388 5852 : end = buf + buflen;
7389 :
7390 70224 : res = os_snprintf(pos, end - pos,
7391 : "ifindex=%d\n"
7392 : "ifname=%s\n"
7393 : "brname=%s\n"
7394 : "addr=" MACSTR "\n"
7395 : "freq=%d\n"
7396 : "%s%s%s%s%s",
7397 : bss->ifindex,
7398 5852 : bss->ifname,
7399 5852 : bss->brname,
7400 35112 : MAC2STR(bss->addr),
7401 : bss->freq,
7402 5852 : bss->beacon_set ? "beacon_set=1\n" : "",
7403 5852 : bss->added_if_into_bridge ?
7404 : "added_if_into_bridge=1\n" : "",
7405 5852 : bss->added_bridge ? "added_bridge=1\n" : "",
7406 5852 : bss->in_deinit ? "in_deinit=1\n" : "",
7407 5852 : bss->if_dynamic ? "if_dynamic=1\n" : "");
7408 5852 : if (os_snprintf_error(end - pos, res))
7409 0 : return pos - buf;
7410 5852 : pos += res;
7411 :
7412 5852 : if (bss->wdev_id_set) {
7413 1 : res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
7414 1 : (unsigned long long) bss->wdev_id);
7415 1 : if (os_snprintf_error(end - pos, res))
7416 0 : return pos - buf;
7417 1 : pos += res;
7418 : }
7419 :
7420 257488 : res = os_snprintf(pos, end - pos,
7421 : "phyname=%s\n"
7422 : "perm_addr=" MACSTR "\n"
7423 : "drv_ifindex=%d\n"
7424 : "operstate=%d\n"
7425 : "scan_state=%s\n"
7426 : "auth_bssid=" MACSTR "\n"
7427 : "auth_attempt_bssid=" MACSTR "\n"
7428 : "bssid=" MACSTR "\n"
7429 : "prev_bssid=" MACSTR "\n"
7430 : "associated=%d\n"
7431 : "assoc_freq=%u\n"
7432 : "monitor_sock=%d\n"
7433 : "monitor_ifidx=%d\n"
7434 : "monitor_refcount=%d\n"
7435 : "last_mgmt_freq=%u\n"
7436 : "eapol_tx_sock=%d\n"
7437 : "%s%s%s%s%s%s%s%s%s%s%s%s%s",
7438 5852 : drv->phyname,
7439 35112 : MAC2STR(drv->perm_addr),
7440 : drv->ifindex,
7441 : drv->operstate,
7442 : scan_state_str(drv->scan_state),
7443 35112 : MAC2STR(drv->auth_bssid),
7444 35112 : MAC2STR(drv->auth_attempt_bssid),
7445 35112 : MAC2STR(drv->bssid),
7446 35112 : MAC2STR(drv->prev_bssid),
7447 : drv->associated,
7448 : drv->assoc_freq,
7449 : drv->monitor_sock,
7450 : drv->monitor_ifidx,
7451 : drv->monitor_refcount,
7452 : drv->last_mgmt_freq,
7453 : drv->eapol_tx_sock,
7454 5852 : drv->ignore_if_down_event ?
7455 : "ignore_if_down_event=1\n" : "",
7456 5852 : drv->scan_complete_events ?
7457 : "scan_complete_events=1\n" : "",
7458 5852 : drv->disabled_11b_rates ?
7459 : "disabled_11b_rates=1\n" : "",
7460 5852 : drv->pending_remain_on_chan ?
7461 : "pending_remain_on_chan=1\n" : "",
7462 5852 : drv->in_interface_list ? "in_interface_list=1\n" : "",
7463 5852 : drv->device_ap_sme ? "device_ap_sme=1\n" : "",
7464 5852 : drv->poll_command_supported ?
7465 : "poll_command_supported=1\n" : "",
7466 5852 : drv->data_tx_status ? "data_tx_status=1\n" : "",
7467 5852 : drv->scan_for_auth ? "scan_for_auth=1\n" : "",
7468 5852 : drv->retry_auth ? "retry_auth=1\n" : "",
7469 5852 : drv->use_monitor ? "use_monitor=1\n" : "",
7470 5852 : drv->ignore_next_local_disconnect ?
7471 : "ignore_next_local_disconnect=1\n" : "",
7472 5852 : drv->ignore_next_local_deauth ?
7473 : "ignore_next_local_deauth=1\n" : "");
7474 5852 : if (os_snprintf_error(end - pos, res))
7475 0 : return pos - buf;
7476 5852 : pos += res;
7477 :
7478 5852 : if (drv->has_capability) {
7479 23408 : res = os_snprintf(pos, end - pos,
7480 : "capa.key_mgmt=0x%x\n"
7481 : "capa.enc=0x%x\n"
7482 : "capa.auth=0x%x\n"
7483 : "capa.flags=0x%llx\n"
7484 : "capa.rrm_flags=0x%x\n"
7485 : "capa.max_scan_ssids=%d\n"
7486 : "capa.max_sched_scan_ssids=%d\n"
7487 : "capa.sched_scan_supported=%d\n"
7488 : "capa.max_match_sets=%d\n"
7489 : "capa.max_remain_on_chan=%u\n"
7490 : "capa.max_stations=%u\n"
7491 : "capa.probe_resp_offloads=0x%x\n"
7492 : "capa.max_acl_mac_addrs=%u\n"
7493 : "capa.num_multichan_concurrent=%u\n"
7494 : "capa.mac_addr_rand_sched_scan_supported=%d\n"
7495 : "capa.mac_addr_rand_scan_supported=%d\n"
7496 : "capa.conc_capab=%u\n"
7497 : "capa.max_conc_chan_2_4=%u\n"
7498 : "capa.max_conc_chan_5_0=%u\n",
7499 : drv->capa.key_mgmt,
7500 : drv->capa.enc,
7501 : drv->capa.auth,
7502 5852 : (unsigned long long) drv->capa.flags,
7503 : drv->capa.rrm_flags,
7504 : drv->capa.max_scan_ssids,
7505 : drv->capa.max_sched_scan_ssids,
7506 : drv->capa.sched_scan_supported,
7507 : drv->capa.max_match_sets,
7508 : drv->capa.max_remain_on_chan,
7509 : drv->capa.max_stations,
7510 : drv->capa.probe_resp_offloads,
7511 : drv->capa.max_acl_mac_addrs,
7512 : drv->capa.num_multichan_concurrent,
7513 5852 : drv->capa.mac_addr_rand_sched_scan_supported,
7514 5852 : drv->capa.mac_addr_rand_scan_supported,
7515 : drv->capa.conc_capab,
7516 : drv->capa.max_conc_chan_2_4,
7517 : drv->capa.max_conc_chan_5_0);
7518 5852 : if (os_snprintf_error(end - pos, res))
7519 0 : return pos - buf;
7520 5852 : pos += res;
7521 : }
7522 :
7523 5852 : return pos - buf;
7524 : }
7525 :
7526 :
7527 44 : static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
7528 : {
7529 88 : if ((settings->head &&
7530 44 : nla_put(msg, NL80211_ATTR_BEACON_HEAD,
7531 88 : settings->head_len, settings->head)) ||
7532 88 : (settings->tail &&
7533 44 : nla_put(msg, NL80211_ATTR_BEACON_TAIL,
7534 88 : settings->tail_len, settings->tail)) ||
7535 88 : (settings->beacon_ies &&
7536 44 : nla_put(msg, NL80211_ATTR_IE,
7537 88 : settings->beacon_ies_len, settings->beacon_ies)) ||
7538 88 : (settings->proberesp_ies &&
7539 44 : nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
7540 88 : settings->proberesp_ies_len, settings->proberesp_ies)) ||
7541 88 : (settings->assocresp_ies &&
7542 44 : nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
7543 88 : settings->assocresp_ies_len, settings->assocresp_ies)) ||
7544 44 : (settings->probe_resp &&
7545 0 : nla_put(msg, NL80211_ATTR_PROBE_RESP,
7546 0 : settings->probe_resp_len, settings->probe_resp)))
7547 0 : return -ENOBUFS;
7548 :
7549 44 : return 0;
7550 : }
7551 :
7552 :
7553 23 : static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
7554 : {
7555 : struct nl_msg *msg;
7556 23 : struct i802_bss *bss = priv;
7557 23 : struct wpa_driver_nl80211_data *drv = bss->drv;
7558 : struct nlattr *beacon_csa;
7559 23 : int ret = -ENOBUFS;
7560 :
7561 69 : wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
7562 46 : settings->cs_count, settings->block_tx,
7563 : settings->freq_params.freq, settings->freq_params.bandwidth,
7564 : settings->freq_params.center_freq1,
7565 : settings->freq_params.center_freq2);
7566 :
7567 23 : if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
7568 0 : wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
7569 0 : return -EOPNOTSUPP;
7570 : }
7571 :
7572 24 : if ((drv->nlmode != NL80211_IFTYPE_AP) &&
7573 1 : (drv->nlmode != NL80211_IFTYPE_P2P_GO))
7574 0 : return -EOPNOTSUPP;
7575 :
7576 : /* check settings validity */
7577 46 : if (!settings->beacon_csa.tail ||
7578 46 : ((settings->beacon_csa.tail_len <=
7579 46 : settings->counter_offset_beacon) ||
7580 23 : (settings->beacon_csa.tail[settings->counter_offset_beacon] !=
7581 23 : settings->cs_count)))
7582 0 : return -EINVAL;
7583 :
7584 23 : if (settings->beacon_csa.probe_resp &&
7585 0 : ((settings->beacon_csa.probe_resp_len <=
7586 0 : settings->counter_offset_presp) ||
7587 0 : (settings->beacon_csa.probe_resp[settings->counter_offset_presp] !=
7588 0 : settings->cs_count)))
7589 0 : return -EINVAL;
7590 :
7591 46 : if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
7592 23 : nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
7593 46 : settings->cs_count) ||
7594 45 : (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
7595 25 : (settings->block_tx &&
7596 3 : nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
7597 : goto error;
7598 :
7599 : /* beacon_after params */
7600 22 : ret = set_beacon_data(msg, &settings->beacon_after);
7601 22 : if (ret)
7602 0 : goto error;
7603 :
7604 : /* beacon_csa params */
7605 22 : beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
7606 22 : if (!beacon_csa)
7607 0 : goto fail;
7608 :
7609 22 : ret = set_beacon_data(msg, &settings->beacon_csa);
7610 22 : if (ret)
7611 0 : goto error;
7612 :
7613 22 : if (nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
7614 44 : settings->counter_offset_beacon) ||
7615 22 : (settings->beacon_csa.probe_resp &&
7616 0 : nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
7617 0 : settings->counter_offset_presp)))
7618 : goto fail;
7619 :
7620 22 : nla_nest_end(msg, beacon_csa);
7621 22 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7622 22 : if (ret) {
7623 1 : wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
7624 : ret, strerror(-ret));
7625 : }
7626 22 : return ret;
7627 :
7628 : fail:
7629 0 : ret = -ENOBUFS;
7630 : error:
7631 1 : nlmsg_free(msg);
7632 1 : wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
7633 1 : return ret;
7634 : }
7635 :
7636 :
7637 0 : static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
7638 : u8 user_priority, u16 admitted_time)
7639 : {
7640 0 : struct i802_bss *bss = priv;
7641 0 : struct wpa_driver_nl80211_data *drv = bss->drv;
7642 : struct nl_msg *msg;
7643 : int ret;
7644 :
7645 0 : wpa_printf(MSG_DEBUG,
7646 : "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
7647 : tsid, admitted_time, user_priority);
7648 :
7649 0 : if (!is_sta_interface(drv->nlmode))
7650 0 : return -ENOTSUP;
7651 :
7652 0 : msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
7653 0 : if (!msg ||
7654 0 : nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7655 0 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7656 0 : nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
7657 0 : nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
7658 0 : nlmsg_free(msg);
7659 0 : return -ENOBUFS;
7660 : }
7661 :
7662 0 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7663 0 : if (ret)
7664 0 : wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
7665 : ret, strerror(-ret));
7666 0 : return ret;
7667 : }
7668 :
7669 :
7670 0 : static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
7671 : {
7672 0 : struct i802_bss *bss = priv;
7673 0 : struct wpa_driver_nl80211_data *drv = bss->drv;
7674 : struct nl_msg *msg;
7675 : int ret;
7676 :
7677 0 : wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
7678 :
7679 0 : if (!is_sta_interface(drv->nlmode))
7680 0 : return -ENOTSUP;
7681 :
7682 0 : if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
7683 0 : nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7684 0 : nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7685 0 : nlmsg_free(msg);
7686 0 : return -ENOBUFS;
7687 : }
7688 :
7689 0 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7690 0 : if (ret)
7691 0 : wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
7692 : ret, strerror(-ret));
7693 0 : return ret;
7694 : }
7695 :
7696 :
7697 : #ifdef CONFIG_TESTING_OPTIONS
7698 2 : static int cmd_reply_handler(struct nl_msg *msg, void *arg)
7699 : {
7700 2 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7701 2 : struct wpabuf *buf = arg;
7702 :
7703 2 : if (!buf)
7704 0 : return NL_SKIP;
7705 :
7706 2 : if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
7707 0 : wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
7708 0 : return NL_SKIP;
7709 : }
7710 :
7711 2 : wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
7712 2 : genlmsg_attrlen(gnlh, 0));
7713 :
7714 2 : return NL_SKIP;
7715 : }
7716 : #endif /* CONFIG_TESTING_OPTIONS */
7717 :
7718 :
7719 0 : static int vendor_reply_handler(struct nl_msg *msg, void *arg)
7720 : {
7721 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
7722 : struct nlattr *nl_vendor_reply, *nl;
7723 0 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7724 0 : struct wpabuf *buf = arg;
7725 : int rem;
7726 :
7727 0 : if (!buf)
7728 0 : return NL_SKIP;
7729 :
7730 0 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7731 : genlmsg_attrlen(gnlh, 0), NULL);
7732 0 : nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
7733 :
7734 0 : if (!nl_vendor_reply)
7735 0 : return NL_SKIP;
7736 :
7737 0 : if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
7738 0 : wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
7739 0 : return NL_SKIP;
7740 : }
7741 :
7742 0 : nla_for_each_nested(nl, nl_vendor_reply, rem) {
7743 0 : wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
7744 : }
7745 :
7746 0 : return NL_SKIP;
7747 : }
7748 :
7749 :
7750 5 : static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
7751 : unsigned int subcmd, const u8 *data,
7752 : size_t data_len, struct wpabuf *buf)
7753 : {
7754 5 : struct i802_bss *bss = priv;
7755 5 : struct wpa_driver_nl80211_data *drv = bss->drv;
7756 : struct nl_msg *msg;
7757 : int ret;
7758 :
7759 : #ifdef CONFIG_TESTING_OPTIONS
7760 5 : if (vendor_id == 0xffffffff) {
7761 5 : msg = nlmsg_alloc();
7762 5 : if (!msg)
7763 0 : return -ENOMEM;
7764 :
7765 5 : nl80211_cmd(drv, msg, 0, subcmd);
7766 5 : if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
7767 : 0)
7768 0 : goto fail;
7769 5 : ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
7770 5 : if (ret)
7771 0 : wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
7772 : ret);
7773 5 : return ret;
7774 : }
7775 : #endif /* CONFIG_TESTING_OPTIONS */
7776 :
7777 0 : if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
7778 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
7779 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
7780 0 : (data &&
7781 0 : nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
7782 : goto fail;
7783 :
7784 0 : ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
7785 0 : if (ret)
7786 0 : wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
7787 : ret);
7788 0 : return ret;
7789 :
7790 : fail:
7791 0 : nlmsg_free(msg);
7792 0 : return -ENOBUFS;
7793 : }
7794 :
7795 :
7796 5 : static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
7797 : u8 qos_map_set_len)
7798 : {
7799 5 : struct i802_bss *bss = priv;
7800 5 : struct wpa_driver_nl80211_data *drv = bss->drv;
7801 : struct nl_msg *msg;
7802 : int ret;
7803 :
7804 5 : wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
7805 : qos_map_set, qos_map_set_len);
7806 :
7807 10 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
7808 5 : nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
7809 0 : nlmsg_free(msg);
7810 0 : return -ENOBUFS;
7811 : }
7812 :
7813 5 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7814 5 : if (ret)
7815 0 : wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
7816 :
7817 5 : return ret;
7818 : }
7819 :
7820 :
7821 0 : static int nl80211_set_wowlan(void *priv,
7822 : const struct wowlan_triggers *triggers)
7823 : {
7824 0 : struct i802_bss *bss = priv;
7825 0 : struct wpa_driver_nl80211_data *drv = bss->drv;
7826 : struct nl_msg *msg;
7827 : struct nlattr *wowlan_triggers;
7828 : int ret;
7829 :
7830 0 : wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
7831 :
7832 0 : if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
7833 : !(wowlan_triggers = nla_nest_start(msg,
7834 0 : NL80211_ATTR_WOWLAN_TRIGGERS)) ||
7835 0 : (triggers->any &&
7836 0 : nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
7837 0 : (triggers->disconnect &&
7838 0 : nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
7839 0 : (triggers->magic_pkt &&
7840 0 : nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
7841 0 : (triggers->gtk_rekey_failure &&
7842 0 : nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
7843 0 : (triggers->eap_identity_req &&
7844 0 : nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
7845 0 : (triggers->four_way_handshake &&
7846 0 : nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
7847 0 : (triggers->rfkill_release &&
7848 0 : nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
7849 0 : nlmsg_free(msg);
7850 0 : return -ENOBUFS;
7851 : }
7852 :
7853 0 : nla_nest_end(msg, wowlan_triggers);
7854 :
7855 0 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7856 0 : if (ret)
7857 0 : wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
7858 :
7859 0 : return ret;
7860 : }
7861 :
7862 :
7863 3 : static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
7864 : {
7865 3 : struct i802_bss *bss = priv;
7866 3 : struct wpa_driver_nl80211_data *drv = bss->drv;
7867 : struct nl_msg *msg;
7868 : struct nlattr *params;
7869 :
7870 3 : wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
7871 :
7872 3 : if (!drv->roaming_vendor_cmd_avail) {
7873 3 : wpa_printf(MSG_DEBUG,
7874 : "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
7875 3 : return -1;
7876 : }
7877 :
7878 0 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
7879 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
7880 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
7881 0 : QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
7882 0 : !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
7883 0 : nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
7884 : allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
7885 0 : QCA_ROAMING_NOT_ALLOWED) ||
7886 0 : (bssid &&
7887 0 : nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
7888 0 : nlmsg_free(msg);
7889 0 : return -1;
7890 : }
7891 0 : nla_nest_end(msg, params);
7892 :
7893 0 : return send_and_recv_msgs(drv, msg, NULL, NULL);
7894 : }
7895 :
7896 :
7897 11 : static int nl80211_set_mac_addr(void *priv, const u8 *addr)
7898 : {
7899 11 : struct i802_bss *bss = priv;
7900 11 : struct wpa_driver_nl80211_data *drv = bss->drv;
7901 11 : int new_addr = addr != NULL;
7902 :
7903 11 : if (!addr)
7904 2 : addr = drv->perm_addr;
7905 :
7906 11 : if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
7907 0 : return -1;
7908 :
7909 11 : if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
7910 : {
7911 0 : wpa_printf(MSG_DEBUG,
7912 : "nl80211: failed to set_mac_addr for %s to " MACSTR,
7913 0 : bss->ifname, MAC2STR(addr));
7914 0 : if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
7915 : 1) < 0) {
7916 0 : wpa_printf(MSG_DEBUG,
7917 : "nl80211: Could not restore interface UP after failed set_mac_addr");
7918 : }
7919 0 : return -1;
7920 : }
7921 :
7922 77 : wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
7923 77 : bss->ifname, MAC2STR(addr));
7924 11 : drv->addr_changed = new_addr;
7925 11 : os_memcpy(bss->addr, addr, ETH_ALEN);
7926 :
7927 11 : if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
7928 : {
7929 0 : wpa_printf(MSG_DEBUG,
7930 : "nl80211: Could not restore interface UP after set_mac_addr");
7931 : }
7932 :
7933 11 : return 0;
7934 : }
7935 :
7936 :
7937 : #ifdef CONFIG_MESH
7938 :
7939 35 : static int wpa_driver_nl80211_init_mesh(void *priv)
7940 : {
7941 35 : if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
7942 0 : wpa_printf(MSG_INFO,
7943 : "nl80211: Failed to set interface into mesh mode");
7944 0 : return -1;
7945 : }
7946 35 : return 0;
7947 : }
7948 :
7949 :
7950 33 : static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
7951 : size_t mesh_id_len)
7952 : {
7953 33 : if (mesh_id) {
7954 33 : wpa_hexdump_ascii(MSG_DEBUG, " * Mesh ID (SSID)",
7955 : mesh_id, mesh_id_len);
7956 33 : return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
7957 : }
7958 :
7959 0 : return 0;
7960 : }
7961 :
7962 :
7963 33 : static int nl80211_join_mesh(struct i802_bss *bss,
7964 : struct wpa_driver_mesh_join_params *params)
7965 : {
7966 33 : struct wpa_driver_nl80211_data *drv = bss->drv;
7967 : struct nl_msg *msg;
7968 : struct nlattr *container;
7969 33 : int ret = -1;
7970 :
7971 33 : wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
7972 33 : msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
7973 66 : if (!msg ||
7974 66 : nl80211_put_freq_params(msg, ¶ms->freq) ||
7975 66 : nl80211_put_basic_rates(msg, params->basic_rates) ||
7976 66 : nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
7977 33 : nl80211_put_beacon_int(msg, params->beacon_int))
7978 : goto fail;
7979 :
7980 33 : wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
7981 :
7982 33 : container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
7983 33 : if (!container)
7984 0 : goto fail;
7985 :
7986 33 : if (params->ies) {
7987 12 : wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
7988 12 : if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
7989 12 : params->ies))
7990 0 : goto fail;
7991 : }
7992 : /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
7993 33 : if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
7994 24 : if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
7995 12 : nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
7996 : goto fail;
7997 : }
7998 45 : if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
7999 12 : nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
8000 0 : goto fail;
8001 66 : if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
8002 33 : nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
8003 0 : goto fail;
8004 33 : nla_nest_end(msg, container);
8005 :
8006 33 : container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
8007 33 : if (!container)
8008 0 : goto fail;
8009 :
8010 66 : if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
8011 33 : nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0))
8012 0 : goto fail;
8013 33 : if ((params->conf.flags & WPA_DRIVER_MESH_FLAG_DRIVER_MPM) &&
8014 0 : nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8015 0 : params->max_peer_links))
8016 0 : goto fail;
8017 :
8018 : /*
8019 : * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
8020 : * the timer could disconnect stations even in that case.
8021 : */
8022 33 : if (nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
8023 33 : params->conf.peer_link_timeout)) {
8024 0 : wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
8025 0 : goto fail;
8026 : }
8027 :
8028 33 : nla_nest_end(msg, container);
8029 :
8030 33 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8031 33 : msg = NULL;
8032 33 : if (ret) {
8033 0 : wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
8034 : ret, strerror(-ret));
8035 0 : goto fail;
8036 : }
8037 33 : ret = 0;
8038 33 : bss->freq = params->freq.freq;
8039 33 : wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
8040 :
8041 : fail:
8042 33 : nlmsg_free(msg);
8043 33 : return ret;
8044 : }
8045 :
8046 :
8047 : static int
8048 33 : wpa_driver_nl80211_join_mesh(void *priv,
8049 : struct wpa_driver_mesh_join_params *params)
8050 : {
8051 33 : struct i802_bss *bss = priv;
8052 : int ret, timeout;
8053 :
8054 33 : timeout = params->conf.peer_link_timeout;
8055 :
8056 : /* Disable kernel inactivity timer */
8057 33 : if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
8058 33 : params->conf.peer_link_timeout = 0;
8059 :
8060 33 : ret = nl80211_join_mesh(bss, params);
8061 33 : if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
8062 0 : wpa_printf(MSG_DEBUG,
8063 : "nl80211: Mesh join retry for peer_link_timeout");
8064 : /*
8065 : * Old kernel does not support setting
8066 : * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
8067 : * into future from peer_link_timeout.
8068 : */
8069 0 : params->conf.peer_link_timeout = timeout + 60;
8070 0 : ret = nl80211_join_mesh(priv, params);
8071 : }
8072 :
8073 33 : params->conf.peer_link_timeout = timeout;
8074 33 : return ret;
8075 : }
8076 :
8077 :
8078 35 : static int wpa_driver_nl80211_leave_mesh(void *priv)
8079 : {
8080 35 : struct i802_bss *bss = priv;
8081 35 : struct wpa_driver_nl80211_data *drv = bss->drv;
8082 : struct nl_msg *msg;
8083 : int ret;
8084 :
8085 35 : wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
8086 35 : msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
8087 35 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8088 35 : if (ret) {
8089 2 : wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
8090 : ret, strerror(-ret));
8091 : } else {
8092 33 : wpa_printf(MSG_DEBUG,
8093 : "nl80211: mesh leave request send successfully");
8094 : }
8095 :
8096 35 : if (wpa_driver_nl80211_set_mode(drv->first_bss,
8097 : NL80211_IFTYPE_STATION)) {
8098 0 : wpa_printf(MSG_INFO,
8099 : "nl80211: Failed to set interface into station mode");
8100 : }
8101 35 : return ret;
8102 : }
8103 :
8104 : #endif /* CONFIG_MESH */
8105 :
8106 :
8107 17 : static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
8108 : const u8 *ipaddr, int prefixlen,
8109 : const u8 *addr)
8110 : {
8111 : #ifdef CONFIG_LIBNL3_ROUTE
8112 17 : struct i802_bss *bss = priv;
8113 17 : struct wpa_driver_nl80211_data *drv = bss->drv;
8114 : struct rtnl_neigh *rn;
8115 17 : struct nl_addr *nl_ipaddr = NULL;
8116 17 : struct nl_addr *nl_lladdr = NULL;
8117 : int family, addrsize;
8118 : int res;
8119 :
8120 17 : if (!ipaddr || prefixlen == 0 || !addr)
8121 0 : return -EINVAL;
8122 :
8123 17 : if (bss->br_ifindex == 0) {
8124 0 : wpa_printf(MSG_DEBUG,
8125 : "nl80211: bridge must be set before adding an ip neigh to it");
8126 0 : return -1;
8127 : }
8128 :
8129 17 : if (!drv->rtnl_sk) {
8130 0 : wpa_printf(MSG_DEBUG,
8131 : "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8132 0 : return -1;
8133 : }
8134 :
8135 17 : if (version == 4) {
8136 6 : family = AF_INET;
8137 6 : addrsize = 4;
8138 11 : } else if (version == 6) {
8139 11 : family = AF_INET6;
8140 11 : addrsize = 16;
8141 : } else {
8142 0 : return -EINVAL;
8143 : }
8144 :
8145 17 : rn = rtnl_neigh_alloc();
8146 17 : if (rn == NULL)
8147 0 : return -ENOMEM;
8148 :
8149 : /* set the destination ip address for neigh */
8150 17 : nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
8151 17 : if (nl_ipaddr == NULL) {
8152 0 : wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8153 0 : res = -ENOMEM;
8154 0 : goto errout;
8155 : }
8156 17 : nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
8157 17 : res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8158 17 : if (res) {
8159 0 : wpa_printf(MSG_DEBUG,
8160 : "nl80211: neigh set destination addr failed");
8161 0 : goto errout;
8162 : }
8163 :
8164 : /* set the corresponding lladdr for neigh */
8165 17 : nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
8166 17 : if (nl_lladdr == NULL) {
8167 0 : wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
8168 0 : res = -ENOMEM;
8169 0 : goto errout;
8170 : }
8171 17 : rtnl_neigh_set_lladdr(rn, nl_lladdr);
8172 :
8173 17 : rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8174 17 : rtnl_neigh_set_state(rn, NUD_PERMANENT);
8175 :
8176 17 : res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
8177 17 : if (res) {
8178 0 : wpa_printf(MSG_DEBUG,
8179 : "nl80211: Adding bridge ip neigh failed: %s",
8180 0 : strerror(errno));
8181 : }
8182 : errout:
8183 17 : if (nl_lladdr)
8184 17 : nl_addr_put(nl_lladdr);
8185 17 : if (nl_ipaddr)
8186 17 : nl_addr_put(nl_ipaddr);
8187 17 : if (rn)
8188 17 : rtnl_neigh_put(rn);
8189 17 : return res;
8190 : #else /* CONFIG_LIBNL3_ROUTE */
8191 0 : return -1;
8192 : #endif /* CONFIG_LIBNL3_ROUTE */
8193 : }
8194 :
8195 :
8196 28 : static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
8197 : const u8 *ipaddr)
8198 : {
8199 : #ifdef CONFIG_LIBNL3_ROUTE
8200 28 : struct i802_bss *bss = priv;
8201 28 : struct wpa_driver_nl80211_data *drv = bss->drv;
8202 : struct rtnl_neigh *rn;
8203 : struct nl_addr *nl_ipaddr;
8204 : int family, addrsize;
8205 : int res;
8206 :
8207 28 : if (!ipaddr)
8208 0 : return -EINVAL;
8209 :
8210 28 : if (version == 4) {
8211 6 : family = AF_INET;
8212 6 : addrsize = 4;
8213 22 : } else if (version == 6) {
8214 22 : family = AF_INET6;
8215 22 : addrsize = 16;
8216 : } else {
8217 0 : return -EINVAL;
8218 : }
8219 :
8220 28 : if (bss->br_ifindex == 0) {
8221 0 : wpa_printf(MSG_DEBUG,
8222 : "nl80211: bridge must be set to delete an ip neigh");
8223 0 : return -1;
8224 : }
8225 :
8226 28 : if (!drv->rtnl_sk) {
8227 0 : wpa_printf(MSG_DEBUG,
8228 : "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8229 0 : return -1;
8230 : }
8231 :
8232 28 : rn = rtnl_neigh_alloc();
8233 28 : if (rn == NULL)
8234 0 : return -ENOMEM;
8235 :
8236 : /* set the destination ip address for neigh */
8237 28 : nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
8238 28 : if (nl_ipaddr == NULL) {
8239 0 : wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8240 0 : res = -ENOMEM;
8241 0 : goto errout;
8242 : }
8243 28 : res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8244 28 : if (res) {
8245 0 : wpa_printf(MSG_DEBUG,
8246 : "nl80211: neigh set destination addr failed");
8247 0 : goto errout;
8248 : }
8249 :
8250 28 : rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8251 :
8252 28 : res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
8253 28 : if (res) {
8254 11 : wpa_printf(MSG_DEBUG,
8255 : "nl80211: Deleting bridge ip neigh failed: %s",
8256 11 : strerror(errno));
8257 : }
8258 : errout:
8259 28 : if (nl_ipaddr)
8260 28 : nl_addr_put(nl_ipaddr);
8261 28 : if (rn)
8262 28 : rtnl_neigh_put(rn);
8263 28 : return res;
8264 : #else /* CONFIG_LIBNL3_ROUTE */
8265 0 : return -1;
8266 : #endif /* CONFIG_LIBNL3_ROUTE */
8267 : }
8268 :
8269 :
8270 4895 : static int linux_write_system_file(const char *path, unsigned int val)
8271 : {
8272 : char buf[50];
8273 : int fd, len;
8274 :
8275 4895 : len = os_snprintf(buf, sizeof(buf), "%u\n", val);
8276 4895 : if (os_snprintf_error(sizeof(buf), len))
8277 0 : return -1;
8278 :
8279 4895 : fd = open(path, O_WRONLY);
8280 4895 : if (fd < 0)
8281 4869 : return -1;
8282 :
8283 26 : if (write(fd, buf, len) < 0) {
8284 0 : wpa_printf(MSG_DEBUG,
8285 : "nl80211: Failed to write Linux system file: %s with the value of %d",
8286 : path, val);
8287 0 : close(fd);
8288 0 : return -1;
8289 : }
8290 26 : close(fd);
8291 :
8292 26 : return 0;
8293 : }
8294 :
8295 :
8296 3260 : static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
8297 : {
8298 3260 : switch (attr) {
8299 : case DRV_BR_PORT_ATTR_PROXYARP:
8300 1630 : return "proxyarp_wifi";
8301 : case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
8302 1630 : return "hairpin_mode";
8303 : }
8304 :
8305 0 : return NULL;
8306 : }
8307 :
8308 :
8309 3260 : static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
8310 : unsigned int val)
8311 : {
8312 3260 : struct i802_bss *bss = priv;
8313 : char path[128];
8314 : const char *attr_txt;
8315 :
8316 3260 : attr_txt = drv_br_port_attr_str(attr);
8317 3260 : if (attr_txt == NULL)
8318 0 : return -EINVAL;
8319 :
8320 3260 : os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
8321 3260 : bss->ifname, attr_txt);
8322 :
8323 3260 : if (linux_write_system_file(path, val))
8324 3246 : return -1;
8325 :
8326 14 : return 0;
8327 : }
8328 :
8329 :
8330 1630 : static const char * drv_br_net_param_str(enum drv_br_net_param param)
8331 : {
8332 1630 : switch (param) {
8333 : case DRV_BR_NET_PARAM_GARP_ACCEPT:
8334 1630 : return "arp_accept";
8335 : default:
8336 0 : return NULL;
8337 : }
8338 : }
8339 :
8340 :
8341 1635 : static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
8342 : unsigned int val)
8343 : {
8344 1635 : struct i802_bss *bss = priv;
8345 : char path[128];
8346 : const char *param_txt;
8347 1635 : int ip_version = 4;
8348 :
8349 1635 : if (param == DRV_BR_MULTICAST_SNOOPING) {
8350 5 : os_snprintf(path, sizeof(path),
8351 : "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
8352 5 : bss->brname);
8353 5 : goto set_val;
8354 : }
8355 :
8356 1630 : param_txt = drv_br_net_param_str(param);
8357 1630 : if (param_txt == NULL)
8358 0 : return -EINVAL;
8359 :
8360 1630 : switch (param) {
8361 : case DRV_BR_NET_PARAM_GARP_ACCEPT:
8362 1630 : ip_version = 4;
8363 1630 : break;
8364 : default:
8365 0 : return -EINVAL;
8366 : }
8367 :
8368 1630 : os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
8369 1630 : ip_version, bss->brname, param_txt);
8370 :
8371 : set_val:
8372 1635 : if (linux_write_system_file(path, val))
8373 1623 : return -1;
8374 :
8375 12 : return 0;
8376 : }
8377 :
8378 :
8379 0 : static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
8380 : {
8381 0 : switch (hw_mode) {
8382 : case HOSTAPD_MODE_IEEE80211B:
8383 0 : return QCA_ACS_MODE_IEEE80211B;
8384 : case HOSTAPD_MODE_IEEE80211G:
8385 0 : return QCA_ACS_MODE_IEEE80211G;
8386 : case HOSTAPD_MODE_IEEE80211A:
8387 0 : return QCA_ACS_MODE_IEEE80211A;
8388 : case HOSTAPD_MODE_IEEE80211AD:
8389 0 : return QCA_ACS_MODE_IEEE80211AD;
8390 : case HOSTAPD_MODE_IEEE80211ANY:
8391 0 : return QCA_ACS_MODE_IEEE80211ANY;
8392 : default:
8393 0 : return -1;
8394 : }
8395 : }
8396 :
8397 :
8398 0 : static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
8399 : {
8400 : int i, len, ret;
8401 : u32 *freqs;
8402 :
8403 0 : if (!freq_list)
8404 0 : return 0;
8405 0 : len = int_array_len(freq_list);
8406 0 : freqs = os_malloc(sizeof(u32) * len);
8407 0 : if (!freqs)
8408 0 : return -1;
8409 0 : for (i = 0; i < len; i++)
8410 0 : freqs[i] = freq_list[i];
8411 0 : ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
8412 : sizeof(u32) * len, freqs);
8413 0 : os_free(freqs);
8414 0 : return ret;
8415 : }
8416 :
8417 :
8418 0 : static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
8419 : {
8420 0 : struct i802_bss *bss = priv;
8421 0 : struct wpa_driver_nl80211_data *drv = bss->drv;
8422 : struct nl_msg *msg;
8423 : struct nlattr *data;
8424 : int ret;
8425 : int mode;
8426 :
8427 0 : mode = hw_mode_to_qca_acs(params->hw_mode);
8428 0 : if (mode < 0)
8429 0 : return -1;
8430 :
8431 0 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8432 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8433 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8434 0 : QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
8435 0 : !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8436 0 : nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
8437 0 : (params->ht_enabled &&
8438 0 : nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
8439 0 : (params->ht40_enabled &&
8440 0 : nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
8441 0 : (params->vht_enabled &&
8442 0 : nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
8443 0 : nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
8444 0 : params->ch_width) ||
8445 0 : (params->ch_list_len &&
8446 0 : nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
8447 0 : params->ch_list)) ||
8448 0 : add_acs_freq_list(msg, params->freq_list)) {
8449 0 : nlmsg_free(msg);
8450 0 : return -ENOBUFS;
8451 : }
8452 0 : nla_nest_end(msg, data);
8453 :
8454 0 : wpa_printf(MSG_DEBUG,
8455 : "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
8456 0 : params->hw_mode, params->ht_enabled, params->ht40_enabled,
8457 0 : params->vht_enabled, params->ch_width, params->ch_list_len);
8458 :
8459 0 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8460 0 : if (ret) {
8461 0 : wpa_printf(MSG_DEBUG,
8462 : "nl80211: Failed to invoke driver ACS function: %s",
8463 0 : strerror(errno));
8464 : }
8465 0 : return ret;
8466 : }
8467 :
8468 :
8469 6 : static int nl80211_set_band(void *priv, enum set_band band)
8470 : {
8471 6 : struct i802_bss *bss = priv;
8472 6 : struct wpa_driver_nl80211_data *drv = bss->drv;
8473 : struct nl_msg *msg;
8474 : struct nlattr *data;
8475 : int ret;
8476 : enum qca_set_band qca_band;
8477 :
8478 6 : if (!drv->setband_vendor_cmd_avail)
8479 6 : return -1;
8480 :
8481 0 : switch (band) {
8482 : case WPA_SETBAND_AUTO:
8483 0 : qca_band = QCA_SETBAND_AUTO;
8484 0 : break;
8485 : case WPA_SETBAND_5G:
8486 0 : qca_band = QCA_SETBAND_5G;
8487 0 : break;
8488 : case WPA_SETBAND_2G:
8489 0 : qca_band = QCA_SETBAND_2G;
8490 0 : break;
8491 : default:
8492 0 : return -1;
8493 : }
8494 :
8495 0 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8496 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8497 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8498 0 : QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
8499 0 : !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8500 0 : nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
8501 0 : nlmsg_free(msg);
8502 0 : return -ENOBUFS;
8503 : }
8504 0 : nla_nest_end(msg, data);
8505 :
8506 0 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8507 0 : if (ret) {
8508 0 : wpa_printf(MSG_DEBUG,
8509 : "nl80211: Driver setband function failed: %s",
8510 0 : strerror(errno));
8511 : }
8512 0 : return ret;
8513 : }
8514 :
8515 :
8516 : struct nl80211_pcl {
8517 : unsigned int num;
8518 : unsigned int *freq_list;
8519 : };
8520 :
8521 0 : static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
8522 : {
8523 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
8524 0 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8525 0 : struct nl80211_pcl *param = arg;
8526 : struct nlattr *nl_vend, *attr;
8527 : enum qca_iface_type iface_type;
8528 : struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
8529 : unsigned int num, max_num;
8530 : u32 *freqs;
8531 :
8532 0 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8533 : genlmsg_attrlen(gnlh, 0), NULL);
8534 :
8535 0 : nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
8536 0 : if (!nl_vend)
8537 0 : return NL_SKIP;
8538 :
8539 0 : nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
8540 0 : nla_data(nl_vend), nla_len(nl_vend), NULL);
8541 :
8542 0 : attr = tb_vendor[
8543 : QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
8544 0 : if (!attr) {
8545 0 : wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
8546 0 : param->num = 0;
8547 0 : return NL_SKIP;
8548 : }
8549 :
8550 0 : iface_type = (enum qca_iface_type) nla_get_u32(attr);
8551 0 : wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
8552 : iface_type);
8553 :
8554 0 : attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
8555 0 : if (!attr) {
8556 0 : wpa_printf(MSG_ERROR,
8557 : "nl80211: preferred_freq_list couldn't be found");
8558 0 : param->num = 0;
8559 0 : return NL_SKIP;
8560 : }
8561 :
8562 : /*
8563 : * param->num has the maximum number of entries for which there
8564 : * is room in the freq_list provided by the caller.
8565 : */
8566 0 : freqs = nla_data(attr);
8567 0 : max_num = nla_len(attr) / sizeof(u32);
8568 0 : if (max_num > param->num)
8569 0 : max_num = param->num;
8570 0 : for (num = 0; num < max_num; num++)
8571 0 : param->freq_list[num] = freqs[num];
8572 0 : param->num = num;
8573 :
8574 0 : return NL_SKIP;
8575 : }
8576 :
8577 :
8578 538 : static int nl80211_get_pref_freq_list(void *priv,
8579 : enum wpa_driver_if_type if_type,
8580 : unsigned int *num,
8581 : unsigned int *freq_list)
8582 : {
8583 538 : struct i802_bss *bss = priv;
8584 538 : struct wpa_driver_nl80211_data *drv = bss->drv;
8585 : struct nl_msg *msg;
8586 : int ret;
8587 : unsigned int i;
8588 : struct nlattr *params;
8589 : struct nl80211_pcl param;
8590 : enum qca_iface_type iface_type;
8591 :
8592 538 : if (!drv->get_pref_freq_list)
8593 538 : return -1;
8594 :
8595 0 : switch (if_type) {
8596 : case WPA_IF_STATION:
8597 0 : iface_type = QCA_IFACE_TYPE_STA;
8598 0 : break;
8599 : case WPA_IF_AP_BSS:
8600 0 : iface_type = QCA_IFACE_TYPE_AP;
8601 0 : break;
8602 : case WPA_IF_P2P_GO:
8603 0 : iface_type = QCA_IFACE_TYPE_P2P_GO;
8604 0 : break;
8605 : case WPA_IF_P2P_CLIENT:
8606 0 : iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
8607 0 : break;
8608 : case WPA_IF_IBSS:
8609 0 : iface_type = QCA_IFACE_TYPE_IBSS;
8610 0 : break;
8611 : case WPA_IF_TDLS:
8612 0 : iface_type = QCA_IFACE_TYPE_TDLS;
8613 0 : break;
8614 : default:
8615 0 : return -1;
8616 : }
8617 :
8618 0 : param.num = *num;
8619 0 : param.freq_list = freq_list;
8620 :
8621 0 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8622 0 : nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
8623 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8624 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8625 0 : QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
8626 0 : !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8627 0 : nla_put_u32(msg,
8628 : QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
8629 : iface_type)) {
8630 0 : wpa_printf(MSG_ERROR,
8631 : "%s: err in adding vendor_cmd and vendor_data",
8632 : __func__);
8633 0 : nlmsg_free(msg);
8634 0 : return -1;
8635 : }
8636 0 : nla_nest_end(msg, params);
8637 :
8638 0 : os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
8639 0 : ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, ¶m);
8640 0 : if (ret) {
8641 0 : wpa_printf(MSG_ERROR,
8642 : "%s: err in send_and_recv_msgs", __func__);
8643 0 : return ret;
8644 : }
8645 :
8646 0 : *num = param.num;
8647 :
8648 0 : for (i = 0; i < *num; i++) {
8649 0 : wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
8650 0 : i, freq_list[i]);
8651 : }
8652 :
8653 0 : return 0;
8654 : }
8655 :
8656 :
8657 111 : static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
8658 : {
8659 111 : struct i802_bss *bss = priv;
8660 111 : struct wpa_driver_nl80211_data *drv = bss->drv;
8661 : struct nl_msg *msg;
8662 : int ret;
8663 : struct nlattr *params;
8664 :
8665 111 : if (!drv->set_prob_oper_freq)
8666 111 : return -1;
8667 :
8668 0 : wpa_printf(MSG_DEBUG,
8669 : "nl80211: Set P2P probable operating freq %u for ifindex %d",
8670 : freq, bss->ifindex);
8671 :
8672 0 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8673 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8674 0 : nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8675 0 : QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
8676 0 : !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8677 0 : nla_put_u32(msg,
8678 : QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
8679 0 : QCA_IFACE_TYPE_P2P_CLIENT) ||
8680 0 : nla_put_u32(msg,
8681 : QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
8682 : freq)) {
8683 0 : wpa_printf(MSG_ERROR,
8684 : "%s: err in adding vendor_cmd and vendor_data",
8685 : __func__);
8686 0 : nlmsg_free(msg);
8687 0 : return -1;
8688 : }
8689 0 : nla_nest_end(msg, params);
8690 :
8691 0 : ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8692 0 : msg = NULL;
8693 0 : if (ret) {
8694 0 : wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
8695 : __func__);
8696 0 : return ret;
8697 : }
8698 0 : nlmsg_free(msg);
8699 0 : return 0;
8700 : }
8701 :
8702 :
8703 : const struct wpa_driver_ops wpa_driver_nl80211_ops = {
8704 : .name = "nl80211",
8705 : .desc = "Linux nl80211/cfg80211",
8706 : .get_bssid = wpa_driver_nl80211_get_bssid,
8707 : .get_ssid = wpa_driver_nl80211_get_ssid,
8708 : .set_key = driver_nl80211_set_key,
8709 : .scan2 = driver_nl80211_scan2,
8710 : .sched_scan = wpa_driver_nl80211_sched_scan,
8711 : .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
8712 : .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
8713 : .deauthenticate = driver_nl80211_deauthenticate,
8714 : .authenticate = driver_nl80211_authenticate,
8715 : .associate = wpa_driver_nl80211_associate,
8716 : .global_init = nl80211_global_init,
8717 : .global_deinit = nl80211_global_deinit,
8718 : .init2 = wpa_driver_nl80211_init,
8719 : .deinit = driver_nl80211_deinit,
8720 : .get_capa = wpa_driver_nl80211_get_capa,
8721 : .set_operstate = wpa_driver_nl80211_set_operstate,
8722 : .set_supp_port = wpa_driver_nl80211_set_supp_port,
8723 : .set_country = wpa_driver_nl80211_set_country,
8724 : .get_country = wpa_driver_nl80211_get_country,
8725 : .set_ap = wpa_driver_nl80211_set_ap,
8726 : .set_acl = wpa_driver_nl80211_set_acl,
8727 : .if_add = wpa_driver_nl80211_if_add,
8728 : .if_remove = driver_nl80211_if_remove,
8729 : .send_mlme = driver_nl80211_send_mlme,
8730 : .get_hw_feature_data = nl80211_get_hw_feature_data,
8731 : .sta_add = wpa_driver_nl80211_sta_add,
8732 : .sta_remove = driver_nl80211_sta_remove,
8733 : .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
8734 : .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
8735 : .hapd_init = i802_init,
8736 : .hapd_deinit = i802_deinit,
8737 : .set_wds_sta = i802_set_wds_sta,
8738 : .get_seqnum = i802_get_seqnum,
8739 : .flush = i802_flush,
8740 : .get_inact_sec = i802_get_inact_sec,
8741 : .sta_clear_stats = i802_sta_clear_stats,
8742 : .set_rts = i802_set_rts,
8743 : .set_frag = i802_set_frag,
8744 : .set_tx_queue_params = i802_set_tx_queue_params,
8745 : .set_sta_vlan = driver_nl80211_set_sta_vlan,
8746 : .sta_deauth = i802_sta_deauth,
8747 : .sta_disassoc = i802_sta_disassoc,
8748 : .read_sta_data = driver_nl80211_read_sta_data,
8749 : .set_freq = i802_set_freq,
8750 : .send_action = driver_nl80211_send_action,
8751 : .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
8752 : .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
8753 : .cancel_remain_on_channel =
8754 : wpa_driver_nl80211_cancel_remain_on_channel,
8755 : .probe_req_report = driver_nl80211_probe_req_report,
8756 : .deinit_ap = wpa_driver_nl80211_deinit_ap,
8757 : .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
8758 : .resume = wpa_driver_nl80211_resume,
8759 : .signal_monitor = nl80211_signal_monitor,
8760 : .signal_poll = nl80211_signal_poll,
8761 : .send_frame = nl80211_send_frame,
8762 : .set_param = nl80211_set_param,
8763 : .get_radio_name = nl80211_get_radio_name,
8764 : .add_pmkid = nl80211_add_pmkid,
8765 : .remove_pmkid = nl80211_remove_pmkid,
8766 : .flush_pmkid = nl80211_flush_pmkid,
8767 : .set_rekey_info = nl80211_set_rekey_info,
8768 : .poll_client = nl80211_poll_client,
8769 : .set_p2p_powersave = nl80211_set_p2p_powersave,
8770 : .start_dfs_cac = nl80211_start_radar_detection,
8771 : .stop_ap = wpa_driver_nl80211_stop_ap,
8772 : #ifdef CONFIG_TDLS
8773 : .send_tdls_mgmt = nl80211_send_tdls_mgmt,
8774 : .tdls_oper = nl80211_tdls_oper,
8775 : .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
8776 : .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
8777 : #endif /* CONFIG_TDLS */
8778 : .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
8779 : .get_mac_addr = wpa_driver_nl80211_get_macaddr,
8780 : .get_survey = wpa_driver_nl80211_get_survey,
8781 : .status = wpa_driver_nl80211_status,
8782 : .switch_channel = nl80211_switch_channel,
8783 : #ifdef ANDROID_P2P
8784 : .set_noa = wpa_driver_set_p2p_noa,
8785 : .get_noa = wpa_driver_get_p2p_noa,
8786 : .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
8787 : #endif /* ANDROID_P2P */
8788 : #ifdef ANDROID
8789 : #ifndef ANDROID_LIB_STUB
8790 : .driver_cmd = wpa_driver_nl80211_driver_cmd,
8791 : #endif /* !ANDROID_LIB_STUB */
8792 : #endif /* ANDROID */
8793 : .vendor_cmd = nl80211_vendor_cmd,
8794 : .set_qos_map = nl80211_set_qos_map,
8795 : .set_wowlan = nl80211_set_wowlan,
8796 : .roaming = nl80211_roaming,
8797 : .set_mac_addr = nl80211_set_mac_addr,
8798 : #ifdef CONFIG_MESH
8799 : .init_mesh = wpa_driver_nl80211_init_mesh,
8800 : .join_mesh = wpa_driver_nl80211_join_mesh,
8801 : .leave_mesh = wpa_driver_nl80211_leave_mesh,
8802 : #endif /* CONFIG_MESH */
8803 : .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
8804 : .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
8805 : .br_port_set_attr = wpa_driver_br_port_set_attr,
8806 : .br_set_net_param = wpa_driver_br_set_net_param,
8807 : .add_tx_ts = nl80211_add_ts,
8808 : .del_tx_ts = nl80211_del_ts,
8809 : .do_acs = wpa_driver_do_acs,
8810 : .set_band = nl80211_set_band,
8811 : .get_pref_freq_list = nl80211_get_pref_freq_list,
8812 : .set_prob_oper_freq = nl80211_set_prob_oper_freq,
8813 : };
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