]> git.ipfire.org Git - thirdparty/hostap.git/blob - src/drivers/driver_nl80211.c
projects / thirdparty / hostap.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
nl80211: Use extended capabilities per interface type
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
1 /*
2 * Driver interaction with Linux nl80211/cfg80211
3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
7 * Copyright (c) 2009-2010, Atheros Communications
8 *
9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
11 */
12
13 #include "includes.h"
14 #include <sys/types.h>
15 #include <fcntl.h>
16 #include <net/if.h>
17 #include <netlink/genl/genl.h>
18 #include <netlink/genl/ctrl.h>
19 #ifdef CONFIG_LIBNL3_ROUTE
20 #include <netlink/route/neighbour.h>
21 #endif /* CONFIG_LIBNL3_ROUTE */
22 #include <linux/rtnetlink.h>
23 #include <netpacket/packet.h>
24 #include <linux/errqueue.h>
25
26 #include "common.h"
27 #include "eloop.h"
28 #include "common/qca-vendor.h"
29 #include "common/qca-vendor-attr.h"
30 #include "common/ieee802_11_defs.h"
31 #include "common/ieee802_11_common.h"
32 #include "l2_packet/l2_packet.h"
33 #include "netlink.h"
34 #include "linux_defines.h"
35 #include "linux_ioctl.h"
36 #include "radiotap.h"
37 #include "radiotap_iter.h"
38 #include "rfkill.h"
39 #include "driver_nl80211.h"
40
41
42 #ifndef CONFIG_LIBNL20
43 /*
44 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
45 * but when you free a socket again it will mess up its bitmap and
46 * and use the wrong number the next time it needs a socket ID.
47 * Therefore, we wrap the handle alloc/destroy and add our own pid
48 * accounting.
49 */
50 static uint32_t port_bitmap[32] = { 0 };
51
52 static struct nl_handle *nl80211_handle_alloc(void *cb)
53 {
54 struct nl_handle *handle;
55 uint32_t pid = getpid() & 0x3FFFFF;
56 int i;
57
58 handle = nl_handle_alloc_cb(cb);
59
60 for (i = 0; i < 1024; i++) {
61 if (port_bitmap[i / 32] & (1 << (i % 32)))
62 continue;
63 port_bitmap[i / 32] |= 1 << (i % 32);
64 pid += i << 22;
65 break;
66 }
67
68 nl_socket_set_local_port(handle, pid);
69
70 return handle;
71 }
72
73 static void nl80211_handle_destroy(struct nl_handle *handle)
74 {
75 uint32_t port = nl_socket_get_local_port(handle);
76
77 port >>= 22;
78 port_bitmap[port / 32] &= ~(1 << (port % 32));
79
80 nl_handle_destroy(handle);
81 }
82 #endif /* CONFIG_LIBNL20 */
83
84
85 #ifdef ANDROID
86 /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
87 #undef nl_socket_set_nonblocking
88 #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
89
90 #endif /* ANDROID */
91
92
93 static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
94 {
95 struct nl_handle *handle;
96
97 handle = nl80211_handle_alloc(cb);
98 if (handle == NULL) {
99 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
100 "callbacks (%s)", dbg);
101 return NULL;
102 }
103
104 if (genl_connect(handle)) {
105 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
106 "netlink (%s)", dbg);
107 nl80211_handle_destroy(handle);
108 return NULL;
109 }
110
111 return handle;
112 }
113
114
115 static void nl_destroy_handles(struct nl_handle **handle)
116 {
117 if (*handle == NULL)
118 return;
119 nl80211_handle_destroy(*handle);
120 *handle = NULL;
121 }
122
123
124 #if __WORDSIZE == 64
125 #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
126 #else
127 #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
128 #endif
129
130 static void nl80211_register_eloop_read(struct nl_handle **handle,
131 eloop_sock_handler handler,
132 void *eloop_data)
133 {
134 #ifdef CONFIG_LIBNL20
135 /*
136 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
137 * by default. It is possible to hit that limit in some cases where
138 * operations are blocked, e.g., with a burst of Deauthentication frames
139 * to hostapd and STA entry deletion. Try to increase the buffer to make
140 * this less likely to occur.
141 */
142 if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
143 wpa_printf(MSG_DEBUG,
144 "nl80211: Could not set nl_socket RX buffer size: %s",
145 strerror(errno));
146 /* continue anyway with the default (smaller) buffer */
147 }
148 #endif /* CONFIG_LIBNL20 */
149
150 nl_socket_set_nonblocking(*handle);
151 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
152 eloop_data, *handle);
153 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
154 }
155
156
157 static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
158 {
159 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
160 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
161 nl_destroy_handles(handle);
162 }
163
164
165 static void nl80211_global_deinit(void *priv);
166 static void nl80211_check_global(struct nl80211_global *global);
167
168 static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
169 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
170 struct hostapd_freq_params *freq);
171
172 static int
173 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
174 const u8 *set_addr, int first,
175 const char *driver_params);
176 static int nl80211_send_frame_cmd(struct i802_bss *bss,
177 unsigned int freq, unsigned int wait,
178 const u8 *buf, size_t buf_len, u64 *cookie,
179 int no_cck, int no_ack, int offchanok,
180 const u16 *csa_offs, size_t csa_offs_len);
181 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
182 int report);
183
184 #define IFIDX_ANY -1
185
186 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
187 int ifidx_reason);
188 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
189 int ifidx_reason);
190 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
191 int ifidx_reason);
192
193 static int nl80211_set_channel(struct i802_bss *bss,
194 struct hostapd_freq_params *freq, int set_chan);
195 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
196 int ifindex, int disabled);
197
198 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
199 int reset_mode);
200
201 static int i802_set_iface_flags(struct i802_bss *bss, int up);
202 static int nl80211_set_param(void *priv, const char *param);
203
204
205 /* Converts nl80211_chan_width to a common format */
206 enum chan_width convert2width(int width)
207 {
208 switch (width) {
209 case NL80211_CHAN_WIDTH_20_NOHT:
210 return CHAN_WIDTH_20_NOHT;
211 case NL80211_CHAN_WIDTH_20:
212 return CHAN_WIDTH_20;
213 case NL80211_CHAN_WIDTH_40:
214 return CHAN_WIDTH_40;
215 case NL80211_CHAN_WIDTH_80:
216 return CHAN_WIDTH_80;
217 case NL80211_CHAN_WIDTH_80P80:
218 return CHAN_WIDTH_80P80;
219 case NL80211_CHAN_WIDTH_160:
220 return CHAN_WIDTH_160;
221 }
222 return CHAN_WIDTH_UNKNOWN;
223 }
224
225
226 int is_ap_interface(enum nl80211_iftype nlmode)
227 {
228 return nlmode == NL80211_IFTYPE_AP ||
229 nlmode == NL80211_IFTYPE_P2P_GO;
230 }
231
232
233 int is_sta_interface(enum nl80211_iftype nlmode)
234 {
235 return nlmode == NL80211_IFTYPE_STATION ||
236 nlmode == NL80211_IFTYPE_P2P_CLIENT;
237 }
238
239
240 static int is_p2p_net_interface(enum nl80211_iftype nlmode)
241 {
242 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
243 nlmode == NL80211_IFTYPE_P2P_GO;
244 }
245
246
247 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
248 int ifindex)
249 {
250 struct i802_bss *bss;
251
252 for (bss = drv->first_bss; bss; bss = bss->next) {
253 if (bss->ifindex == ifindex)
254 return bss;
255 }
256
257 return NULL;
258 }
259
260
261 static int is_mesh_interface(enum nl80211_iftype nlmode)
262 {
263 return nlmode == NL80211_IFTYPE_MESH_POINT;
264 }
265
266
267 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
268 {
269 if (drv->associated)
270 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
271 drv->associated = 0;
272 os_memset(drv->bssid, 0, ETH_ALEN);
273 }
274
275
276 /* nl80211 code */
277 static int ack_handler(struct nl_msg *msg, void *arg)
278 {
279 int *err = arg;
280 *err = 0;
281 return NL_STOP;
282 }
283
284 static int finish_handler(struct nl_msg *msg, void *arg)
285 {
286 int *ret = arg;
287 *ret = 0;
288 return NL_SKIP;
289 }
290
291 static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
292 void *arg)
293 {
294 int *ret = arg;
295 *ret = err->error;
296 return NL_SKIP;
297 }
298
299
300 static int no_seq_check(struct nl_msg *msg, void *arg)
301 {
302 return NL_OK;
303 }
304
305
306 static void nl80211_nlmsg_clear(struct nl_msg *msg)
307 {
308 /*
309 * Clear nlmsg data, e.g., to make sure key material is not left in
310 * heap memory for unnecessarily long time.
311 */
312 if (msg) {
313 struct nlmsghdr *hdr = nlmsg_hdr(msg);
314 void *data = nlmsg_data(hdr);
315 /*
316 * This would use nlmsg_datalen() or the older nlmsg_len() if
317 * only libnl were to maintain a stable API.. Neither will work
318 * with all released versions, so just calculate the length
319 * here.
320 */
321 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
322
323 os_memset(data, 0, len);
324 }
325 }
326
327
328 static int send_and_recv(struct nl80211_global *global,
329 struct nl_handle *nl_handle, struct nl_msg *msg,
330 int (*valid_handler)(struct nl_msg *, void *),
331 void *valid_data)
332 {
333 struct nl_cb *cb;
334 int err = -ENOMEM;
335
336 if (!msg)
337 return -ENOMEM;
338
339 cb = nl_cb_clone(global->nl_cb);
340 if (!cb)
341 goto out;
342
343 err = nl_send_auto_complete(nl_handle, msg);
344 if (err < 0)
345 goto out;
346
347 err = 1;
348
349 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
350 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
351 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
352
353 if (valid_handler)
354 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
355 valid_handler, valid_data);
356
357 while (err > 0) {
358 int res = nl_recvmsgs(nl_handle, cb);
359 if (res < 0) {
360 wpa_printf(MSG_INFO,
361 "nl80211: %s->nl_recvmsgs failed: %d",
362 __func__, res);
363 }
364 }
365 out:
366 nl_cb_put(cb);
367 if (!valid_handler && valid_data == (void *) -1)
368 nl80211_nlmsg_clear(msg);
369 nlmsg_free(msg);
370 return err;
371 }
372
373
374 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
375 struct nl_msg *msg,
376 int (*valid_handler)(struct nl_msg *, void *),
377 void *valid_data)
378 {
379 return send_and_recv(drv->global, drv->global->nl, msg,
380 valid_handler, valid_data);
381 }
382
383
384 struct family_data {
385 const char *group;
386 int id;
387 };
388
389
390 static int family_handler(struct nl_msg *msg, void *arg)
391 {
392 struct family_data *res = arg;
393 struct nlattr *tb[CTRL_ATTR_MAX + 1];
394 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
395 struct nlattr *mcgrp;
396 int i;
397
398 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
399 genlmsg_attrlen(gnlh, 0), NULL);
400 if (!tb[CTRL_ATTR_MCAST_GROUPS])
401 return NL_SKIP;
402
403 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
404 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
405 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
406 nla_len(mcgrp), NULL);
407 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
408 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
409 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
410 res->group,
411 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
412 continue;
413 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
414 break;
415 };
416
417 return NL_SKIP;
418 }
419
420
421 static int nl_get_multicast_id(struct nl80211_global *global,
422 const char *family, const char *group)
423 {
424 struct nl_msg *msg;
425 int ret;
426 struct family_data res = { group, -ENOENT };
427
428 msg = nlmsg_alloc();
429 if (!msg)
430 return -ENOMEM;
431 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
432 0, 0, CTRL_CMD_GETFAMILY, 0) ||
433 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
434 nlmsg_free(msg);
435 return -1;
436 }
437
438 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
439 if (ret == 0)
440 ret = res.id;
441 return ret;
442 }
443
444
445 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
446 struct nl_msg *msg, int flags, uint8_t cmd)
447 {
448 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
449 0, flags, cmd, 0);
450 }
451
452
453 static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
454 {
455 if (bss->wdev_id_set)
456 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
457 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
458 }
459
460
461 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
462 {
463 struct nl_msg *msg;
464
465 msg = nlmsg_alloc();
466 if (!msg)
467 return NULL;
468
469 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
470 nl80211_set_iface_id(msg, bss) < 0) {
471 nlmsg_free(msg);
472 return NULL;
473 }
474
475 return msg;
476 }
477
478
479 static struct nl_msg *
480 nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
481 int flags, uint8_t cmd)
482 {
483 struct nl_msg *msg;
484
485 msg = nlmsg_alloc();
486 if (!msg)
487 return NULL;
488
489 if (!nl80211_cmd(drv, msg, flags, cmd) ||
490 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
491 nlmsg_free(msg);
492 return NULL;
493 }
494
495 return msg;
496 }
497
498
499 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
500 uint8_t cmd)
501 {
502 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
503 }
504
505
506 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
507 {
508 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
509 }
510
511
512 struct wiphy_idx_data {
513 int wiphy_idx;
514 enum nl80211_iftype nlmode;
515 u8 *macaddr;
516 };
517
518
519 static int netdev_info_handler(struct nl_msg *msg, void *arg)
520 {
521 struct nlattr *tb[NL80211_ATTR_MAX + 1];
522 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
523 struct wiphy_idx_data *info = arg;
524
525 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
526 genlmsg_attrlen(gnlh, 0), NULL);
527
528 if (tb[NL80211_ATTR_WIPHY])
529 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
530
531 if (tb[NL80211_ATTR_IFTYPE])
532 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
533
534 if (tb[NL80211_ATTR_MAC] && info->macaddr)
535 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
536 ETH_ALEN);
537
538 return NL_SKIP;
539 }
540
541
542 int nl80211_get_wiphy_index(struct i802_bss *bss)
543 {
544 struct nl_msg *msg;
545 struct wiphy_idx_data data = {
546 .wiphy_idx = -1,
547 .macaddr = NULL,
548 };
549
550 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
551 return -1;
552
553 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
554 return data.wiphy_idx;
555 return -1;
556 }
557
558
559 static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
560 {
561 struct nl_msg *msg;
562 struct wiphy_idx_data data = {
563 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
564 .macaddr = NULL,
565 };
566
567 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
568 return NL80211_IFTYPE_UNSPECIFIED;
569
570 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
571 return data.nlmode;
572 return NL80211_IFTYPE_UNSPECIFIED;
573 }
574
575
576 static int nl80211_get_macaddr(struct i802_bss *bss)
577 {
578 struct nl_msg *msg;
579 struct wiphy_idx_data data = {
580 .macaddr = bss->addr,
581 };
582
583 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
584 return -1;
585
586 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
587 }
588
589
590 static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
591 struct nl80211_wiphy_data *w)
592 {
593 struct nl_msg *msg;
594 int ret;
595
596 msg = nlmsg_alloc();
597 if (!msg)
598 return -1;
599
600 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
601 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
602 nlmsg_free(msg);
603 return -1;
604 }
605
606 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
607 if (ret) {
608 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
609 "failed: ret=%d (%s)",
610 ret, strerror(-ret));
611 }
612 return ret;
613 }
614
615
616 static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
617 {
618 struct nl80211_wiphy_data *w = eloop_ctx;
619 int res;
620
621 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
622
623 res = nl_recvmsgs(handle, w->nl_cb);
624 if (res < 0) {
625 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
626 __func__, res);
627 }
628 }
629
630
631 static int process_beacon_event(struct nl_msg *msg, void *arg)
632 {
633 struct nl80211_wiphy_data *w = arg;
634 struct wpa_driver_nl80211_data *drv;
635 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
636 struct nlattr *tb[NL80211_ATTR_MAX + 1];
637 union wpa_event_data event;
638
639 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
640 genlmsg_attrlen(gnlh, 0), NULL);
641
642 if (gnlh->cmd != NL80211_CMD_FRAME) {
643 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
644 gnlh->cmd);
645 return NL_SKIP;
646 }
647
648 if (!tb[NL80211_ATTR_FRAME])
649 return NL_SKIP;
650
651 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
652 wiphy_list) {
653 os_memset(&event, 0, sizeof(event));
654 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
655 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
656 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
657 }
658
659 return NL_SKIP;
660 }
661
662
663 static struct nl80211_wiphy_data *
664 nl80211_get_wiphy_data_ap(struct i802_bss *bss)
665 {
666 static DEFINE_DL_LIST(nl80211_wiphys);
667 struct nl80211_wiphy_data *w;
668 int wiphy_idx, found = 0;
669 struct i802_bss *tmp_bss;
670
671 if (bss->wiphy_data != NULL)
672 return bss->wiphy_data;
673
674 wiphy_idx = nl80211_get_wiphy_index(bss);
675
676 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
677 if (w->wiphy_idx == wiphy_idx)
678 goto add;
679 }
680
681 /* alloc new one */
682 w = os_zalloc(sizeof(*w));
683 if (w == NULL)
684 return NULL;
685 w->wiphy_idx = wiphy_idx;
686 dl_list_init(&w->bsss);
687 dl_list_init(&w->drvs);
688
689 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
690 if (!w->nl_cb) {
691 os_free(w);
692 return NULL;
693 }
694 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
695 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
696 w);
697
698 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
699 "wiphy beacons");
700 if (w->nl_beacons == NULL) {
701 os_free(w);
702 return NULL;
703 }
704
705 if (nl80211_register_beacons(bss->drv, w)) {
706 nl_destroy_handles(&w->nl_beacons);
707 os_free(w);
708 return NULL;
709 }
710
711 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
712
713 dl_list_add(&nl80211_wiphys, &w->list);
714
715 add:
716 /* drv entry for this bss already there? */
717 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
718 if (tmp_bss->drv == bss->drv) {
719 found = 1;
720 break;
721 }
722 }
723 /* if not add it */
724 if (!found)
725 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
726
727 dl_list_add(&w->bsss, &bss->wiphy_list);
728 bss->wiphy_data = w;
729 return w;
730 }
731
732
733 static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
734 {
735 struct nl80211_wiphy_data *w = bss->wiphy_data;
736 struct i802_bss *tmp_bss;
737 int found = 0;
738
739 if (w == NULL)
740 return;
741 bss->wiphy_data = NULL;
742 dl_list_del(&bss->wiphy_list);
743
744 /* still any for this drv present? */
745 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
746 if (tmp_bss->drv == bss->drv) {
747 found = 1;
748 break;
749 }
750 }
751 /* if not remove it */
752 if (!found)
753 dl_list_del(&bss->drv->wiphy_list);
754
755 if (!dl_list_empty(&w->bsss))
756 return;
757
758 nl80211_destroy_eloop_handle(&w->nl_beacons);
759
760 nl_cb_put(w->nl_cb);
761 dl_list_del(&w->list);
762 os_free(w);
763 }
764
765
766 static unsigned int nl80211_get_ifindex(void *priv)
767 {
768 struct i802_bss *bss = priv;
769 struct wpa_driver_nl80211_data *drv = bss->drv;
770
771 return drv->ifindex;
772 }
773
774
775 static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
776 {
777 struct i802_bss *bss = priv;
778 struct wpa_driver_nl80211_data *drv = bss->drv;
779 if (!drv->associated)
780 return -1;
781 os_memcpy(bssid, drv->bssid, ETH_ALEN);
782 return 0;
783 }
784
785
786 static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
787 {
788 struct i802_bss *bss = priv;
789 struct wpa_driver_nl80211_data *drv = bss->drv;
790 if (!drv->associated)
791 return -1;
792 os_memcpy(ssid, drv->ssid, drv->ssid_len);
793 return drv->ssid_len;
794 }
795
796
797 static void wpa_driver_nl80211_event_newlink(
798 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
799 int ifindex, const char *ifname)
800 {
801 union wpa_event_data event;
802
803 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
804 if (if_nametoindex(drv->first_bss->ifname) == 0) {
805 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
806 drv->first_bss->ifname);
807 return;
808 }
809 if (!drv->if_removed)
810 return;
811 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
812 drv->first_bss->ifname);
813 drv->if_removed = 0;
814 }
815
816 os_memset(&event, 0, sizeof(event));
817 event.interface_status.ifindex = ifindex;
818 os_strlcpy(event.interface_status.ifname, ifname,
819 sizeof(event.interface_status.ifname));
820 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
821 if (drv)
822 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
823 else
824 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
825 &event);
826 }
827
828
829 static void wpa_driver_nl80211_event_dellink(
830 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
831 int ifindex, const char *ifname)
832 {
833 union wpa_event_data event;
834
835 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
836 if (drv->if_removed) {
837 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
838 ifname);
839 return;
840 }
841 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
842 ifname);
843 drv->if_removed = 1;
844 } else {
845 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
846 ifname);
847 }
848
849 os_memset(&event, 0, sizeof(event));
850 event.interface_status.ifindex = ifindex;
851 os_strlcpy(event.interface_status.ifname, ifname,
852 sizeof(event.interface_status.ifname));
853 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
854 if (drv)
855 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
856 else
857 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
858 &event);
859 }
860
861
862 static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
863 u8 *buf, size_t len)
864 {
865 int attrlen, rta_len;
866 struct rtattr *attr;
867
868 attrlen = len;
869 attr = (struct rtattr *) buf;
870
871 rta_len = RTA_ALIGN(sizeof(struct rtattr));
872 while (RTA_OK(attr, attrlen)) {
873 if (attr->rta_type == IFLA_IFNAME) {
874 if (os_strcmp(((char *) attr) + rta_len,
875 drv->first_bss->ifname) == 0)
876 return 1;
877 else
878 break;
879 }
880 attr = RTA_NEXT(attr, attrlen);
881 }
882
883 return 0;
884 }
885
886
887 static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
888 int ifindex, u8 *buf, size_t len)
889 {
890 if (drv->ifindex == ifindex)
891 return 1;
892
893 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
894 nl80211_check_global(drv->global);
895 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
896 "interface");
897 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
898 return 1;
899 }
900
901 return 0;
902 }
903
904
905 static struct wpa_driver_nl80211_data *
906 nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
907 {
908 struct wpa_driver_nl80211_data *drv;
909 dl_list_for_each(drv, &global->interfaces,
910 struct wpa_driver_nl80211_data, list) {
911 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
912 have_ifidx(drv, idx, IFIDX_ANY))
913 return drv;
914 }
915 return NULL;
916 }
917
918
919 static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
920 struct ifinfomsg *ifi,
921 u8 *buf, size_t len)
922 {
923 struct nl80211_global *global = ctx;
924 struct wpa_driver_nl80211_data *drv;
925 int attrlen;
926 struct rtattr *attr;
927 u32 brid = 0;
928 char namebuf[IFNAMSIZ];
929 char ifname[IFNAMSIZ + 1];
930 char extra[100], *pos, *end;
931
932 extra[0] = '\0';
933 pos = extra;
934 end = pos + sizeof(extra);
935 ifname[0] = '\0';
936
937 attrlen = len;
938 attr = (struct rtattr *) buf;
939 while (RTA_OK(attr, attrlen)) {
940 switch (attr->rta_type) {
941 case IFLA_IFNAME:
942 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
943 break;
944 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
945 ifname[RTA_PAYLOAD(attr)] = '\0';
946 break;
947 case IFLA_MASTER:
948 brid = nla_get_u32((struct nlattr *) attr);
949 pos += os_snprintf(pos, end - pos, " master=%u", brid);
950 break;
951 case IFLA_WIRELESS:
952 pos += os_snprintf(pos, end - pos, " wext");
953 break;
954 case IFLA_OPERSTATE:
955 pos += os_snprintf(pos, end - pos, " operstate=%u",
956 nla_get_u32((struct nlattr *) attr));
957 break;
958 case IFLA_LINKMODE:
959 pos += os_snprintf(pos, end - pos, " linkmode=%u",
960 nla_get_u32((struct nlattr *) attr));
961 break;
962 }
963 attr = RTA_NEXT(attr, attrlen);
964 }
965 extra[sizeof(extra) - 1] = '\0';
966
967 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
968 ifi->ifi_index, ifname, extra, ifi->ifi_family,
969 ifi->ifi_flags,
970 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
971 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
972 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
973 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
974
975 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
976 if (!drv)
977 goto event_newlink;
978
979 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
980 namebuf[0] = '\0';
981 if (if_indextoname(ifi->ifi_index, namebuf) &&
982 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
983 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
984 "event since interface %s is up", namebuf);
985 drv->ignore_if_down_event = 0;
986 return;
987 }
988 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
989 namebuf, ifname);
990 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
991 wpa_printf(MSG_DEBUG,
992 "nl80211: Not the main interface (%s) - do not indicate interface down",
993 drv->first_bss->ifname);
994 } else if (drv->ignore_if_down_event) {
995 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
996 "event generated by mode change");
997 drv->ignore_if_down_event = 0;
998 } else {
999 drv->if_disabled = 1;
1000 wpa_supplicant_event(drv->ctx,
1001 EVENT_INTERFACE_DISABLED, NULL);
1002
1003 /*
1004 * Try to get drv again, since it may be removed as
1005 * part of the EVENT_INTERFACE_DISABLED handling for
1006 * dynamic interfaces
1007 */
1008 drv = nl80211_find_drv(global, ifi->ifi_index,
1009 buf, len);
1010 if (!drv)
1011 return;
1012 }
1013 }
1014
1015 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
1016 if (if_indextoname(ifi->ifi_index, namebuf) &&
1017 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
1018 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1019 "event since interface %s is down",
1020 namebuf);
1021 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
1022 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1023 "event since interface %s does not exist",
1024 drv->first_bss->ifname);
1025 } else if (drv->if_removed) {
1026 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1027 "event since interface %s is marked "
1028 "removed", drv->first_bss->ifname);
1029 } else {
1030 struct i802_bss *bss;
1031 u8 addr[ETH_ALEN];
1032
1033 /* Re-read MAC address as it may have changed */
1034 bss = get_bss_ifindex(drv, ifi->ifi_index);
1035 if (bss &&
1036 linux_get_ifhwaddr(drv->global->ioctl_sock,
1037 bss->ifname, addr) < 0) {
1038 wpa_printf(MSG_DEBUG,
1039 "nl80211: %s: failed to re-read MAC address",
1040 bss->ifname);
1041 } else if (bss &&
1042 os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1043 wpa_printf(MSG_DEBUG,
1044 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1045 MACSTR " to " MACSTR,
1046 ifi->ifi_index, bss->ifname,
1047 MAC2STR(bss->addr),
1048 MAC2STR(addr));
1049 os_memcpy(bss->addr, addr, ETH_ALEN);
1050 }
1051
1052 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1053 drv->if_disabled = 0;
1054 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1055 NULL);
1056 }
1057 }
1058
1059 /*
1060 * Some drivers send the association event before the operup event--in
1061 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1062 * fails. This will hit us when wpa_supplicant does not need to do
1063 * IEEE 802.1X authentication
1064 */
1065 if (drv->operstate == 1 &&
1066 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1067 !(ifi->ifi_flags & IFF_RUNNING)) {
1068 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
1069 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
1070 -1, IF_OPER_UP);
1071 }
1072
1073 event_newlink:
1074 if (ifname[0])
1075 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1076 ifname);
1077
1078 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1079 struct i802_bss *bss;
1080
1081 /* device has been added to bridge */
1082 if (!if_indextoname(brid, namebuf)) {
1083 wpa_printf(MSG_DEBUG,
1084 "nl80211: Could not find bridge ifname for ifindex %u",
1085 brid);
1086 return;
1087 }
1088 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1089 brid, namebuf);
1090 add_ifidx(drv, brid, ifi->ifi_index);
1091
1092 for (bss = drv->first_bss; bss; bss = bss->next) {
1093 if (os_strcmp(ifname, bss->ifname) == 0) {
1094 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1095 break;
1096 }
1097 }
1098 }
1099 }
1100
1101
1102 static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1103 struct ifinfomsg *ifi,
1104 u8 *buf, size_t len)
1105 {
1106 struct nl80211_global *global = ctx;
1107 struct wpa_driver_nl80211_data *drv;
1108 int attrlen;
1109 struct rtattr *attr;
1110 u32 brid = 0;
1111 char ifname[IFNAMSIZ + 1];
1112 char extra[100], *pos, *end;
1113
1114 extra[0] = '\0';
1115 pos = extra;
1116 end = pos + sizeof(extra);
1117 ifname[0] = '\0';
1118
1119 attrlen = len;
1120 attr = (struct rtattr *) buf;
1121 while (RTA_OK(attr, attrlen)) {
1122 switch (attr->rta_type) {
1123 case IFLA_IFNAME:
1124 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1125 break;
1126 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1127 ifname[RTA_PAYLOAD(attr)] = '\0';
1128 break;
1129 case IFLA_MASTER:
1130 brid = nla_get_u32((struct nlattr *) attr);
1131 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1132 break;
1133 case IFLA_OPERSTATE:
1134 pos += os_snprintf(pos, end - pos, " operstate=%u",
1135 nla_get_u32((struct nlattr *) attr));
1136 break;
1137 case IFLA_LINKMODE:
1138 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1139 nla_get_u32((struct nlattr *) attr));
1140 break;
1141 }
1142 attr = RTA_NEXT(attr, attrlen);
1143 }
1144 extra[sizeof(extra) - 1] = '\0';
1145
1146 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1147 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1148 ifi->ifi_flags,
1149 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1150 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1151 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1152 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1153
1154 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1155
1156 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1157 /* device has been removed from bridge */
1158 char namebuf[IFNAMSIZ];
1159
1160 if (!if_indextoname(brid, namebuf)) {
1161 wpa_printf(MSG_DEBUG,
1162 "nl80211: Could not find bridge ifname for ifindex %u",
1163 brid);
1164 } else {
1165 wpa_printf(MSG_DEBUG,
1166 "nl80211: Remove ifindex %u for bridge %s",
1167 brid, namebuf);
1168 }
1169 del_ifidx(drv, brid, ifi->ifi_index);
1170 }
1171
1172 if (ifi->ifi_family != AF_BRIDGE || !brid)
1173 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1174 ifname);
1175 }
1176
1177
1178 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1179 {
1180 struct nl_msg *msg;
1181 int ret;
1182 struct nl80211_bss_info_arg arg;
1183
1184 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1185 os_memset(&arg, 0, sizeof(arg));
1186 arg.drv = drv;
1187 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1188 if (ret == 0) {
1189 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1190 arg.ibss_freq : arg.assoc_freq;
1191 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1192 "associated BSS from scan results: %u MHz", freq);
1193 if (freq)
1194 drv->assoc_freq = freq;
1195 return drv->assoc_freq;
1196 }
1197 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1198 "(%s)", ret, strerror(-ret));
1199 return drv->assoc_freq;
1200 }
1201
1202
1203 static int get_link_signal(struct nl_msg *msg, void *arg)
1204 {
1205 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1206 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1207 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1208 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1209 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
1210 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
1211 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
1212 };
1213 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1214 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1215 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1216 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1217 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1218 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1219 };
1220 struct wpa_signal_info *sig_change = arg;
1221
1222 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1223 genlmsg_attrlen(gnlh, 0), NULL);
1224 if (!tb[NL80211_ATTR_STA_INFO] ||
1225 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1226 tb[NL80211_ATTR_STA_INFO], policy))
1227 return NL_SKIP;
1228 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1229 return NL_SKIP;
1230
1231 sig_change->current_signal =
1232 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1233
1234 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1235 sig_change->avg_signal =
1236 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1237 else
1238 sig_change->avg_signal = 0;
1239
1240 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1241 sig_change->avg_beacon_signal =
1242 (s8)
1243 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1244 else
1245 sig_change->avg_beacon_signal = 0;
1246
1247 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1248 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1249 sinfo[NL80211_STA_INFO_TX_BITRATE],
1250 rate_policy)) {
1251 sig_change->current_txrate = 0;
1252 } else {
1253 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1254 sig_change->current_txrate =
1255 nla_get_u16(rinfo[
1256 NL80211_RATE_INFO_BITRATE]) * 100;
1257 }
1258 }
1259 }
1260
1261 return NL_SKIP;
1262 }
1263
1264
1265 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1266 struct wpa_signal_info *sig)
1267 {
1268 struct nl_msg *msg;
1269
1270 sig->current_signal = -9999;
1271 sig->current_txrate = 0;
1272
1273 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
1274 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1275 nlmsg_free(msg);
1276 return -ENOBUFS;
1277 }
1278
1279 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
1280 }
1281
1282
1283 static int get_link_noise(struct nl_msg *msg, void *arg)
1284 {
1285 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1286 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1287 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1288 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1289 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1290 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1291 };
1292 struct wpa_signal_info *sig_change = arg;
1293
1294 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1295 genlmsg_attrlen(gnlh, 0), NULL);
1296
1297 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1298 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1299 return NL_SKIP;
1300 }
1301
1302 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1303 tb[NL80211_ATTR_SURVEY_INFO],
1304 survey_policy)) {
1305 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1306 "attributes!");
1307 return NL_SKIP;
1308 }
1309
1310 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1311 return NL_SKIP;
1312
1313 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1314 sig_change->frequency)
1315 return NL_SKIP;
1316
1317 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1318 return NL_SKIP;
1319
1320 sig_change->current_noise =
1321 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1322
1323 return NL_SKIP;
1324 }
1325
1326
1327 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1328 struct wpa_signal_info *sig_change)
1329 {
1330 struct nl_msg *msg;
1331
1332 sig_change->current_noise = 9999;
1333 sig_change->frequency = drv->assoc_freq;
1334
1335 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
1336 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
1337 }
1338
1339
1340 static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
1341 void *handle)
1342 {
1343 struct nl_cb *cb = eloop_ctx;
1344 int res;
1345
1346 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
1347
1348 res = nl_recvmsgs(handle, cb);
1349 if (res < 0) {
1350 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1351 __func__, res);
1352 }
1353 }
1354
1355
1356 /**
1357 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1358 * @priv: driver_nl80211 private data
1359 * @alpha2_arg: country to which to switch to
1360 * Returns: 0 on success, -1 on failure
1361 *
1362 * This asks nl80211 to set the regulatory domain for given
1363 * country ISO / IEC alpha2.
1364 */
1365 static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1366 {
1367 struct i802_bss *bss = priv;
1368 struct wpa_driver_nl80211_data *drv = bss->drv;
1369 char alpha2[3];
1370 struct nl_msg *msg;
1371
1372 msg = nlmsg_alloc();
1373 if (!msg)
1374 return -ENOMEM;
1375
1376 alpha2[0] = alpha2_arg[0];
1377 alpha2[1] = alpha2_arg[1];
1378 alpha2[2] = '\0';
1379
1380 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1381 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1382 nlmsg_free(msg);
1383 return -EINVAL;
1384 }
1385 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1386 return -EINVAL;
1387 return 0;
1388 }
1389
1390
1391 static int nl80211_get_country(struct nl_msg *msg, void *arg)
1392 {
1393 char *alpha2 = arg;
1394 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1395 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1396
1397 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1398 genlmsg_attrlen(gnlh, 0), NULL);
1399 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1400 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1401 return NL_SKIP;
1402 }
1403 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1404 return NL_SKIP;
1405 }
1406
1407
1408 static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1409 {
1410 struct i802_bss *bss = priv;
1411 struct wpa_driver_nl80211_data *drv = bss->drv;
1412 struct nl_msg *msg;
1413 int ret;
1414
1415 msg = nlmsg_alloc();
1416 if (!msg)
1417 return -ENOMEM;
1418
1419 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1420 alpha2[0] = '\0';
1421 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1422 if (!alpha2[0])
1423 ret = -1;
1424
1425 return ret;
1426 }
1427
1428
1429 static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1430 {
1431 int ret;
1432
1433 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1434 if (global->nl_cb == NULL) {
1435 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1436 "callbacks");
1437 return -1;
1438 }
1439
1440 global->nl = nl_create_handle(global->nl_cb, "nl");
1441 if (global->nl == NULL)
1442 goto err;
1443
1444 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
1445 if (global->nl80211_id < 0) {
1446 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1447 "found");
1448 goto err;
1449 }
1450
1451 global->nl_event = nl_create_handle(global->nl_cb, "event");
1452 if (global->nl_event == NULL)
1453 goto err;
1454
1455 ret = nl_get_multicast_id(global, "nl80211", "scan");
1456 if (ret >= 0)
1457 ret = nl_socket_add_membership(global->nl_event, ret);
1458 if (ret < 0) {
1459 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1460 "membership for scan events: %d (%s)",
1461 ret, strerror(-ret));
1462 goto err;
1463 }
1464
1465 ret = nl_get_multicast_id(global, "nl80211", "mlme");
1466 if (ret >= 0)
1467 ret = nl_socket_add_membership(global->nl_event, ret);
1468 if (ret < 0) {
1469 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1470 "membership for mlme events: %d (%s)",
1471 ret, strerror(-ret));
1472 goto err;
1473 }
1474
1475 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
1476 if (ret >= 0)
1477 ret = nl_socket_add_membership(global->nl_event, ret);
1478 if (ret < 0) {
1479 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1480 "membership for regulatory events: %d (%s)",
1481 ret, strerror(-ret));
1482 /* Continue without regulatory events */
1483 }
1484
1485 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1486 if (ret >= 0)
1487 ret = nl_socket_add_membership(global->nl_event, ret);
1488 if (ret < 0) {
1489 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1490 "membership for vendor events: %d (%s)",
1491 ret, strerror(-ret));
1492 /* Continue without vendor events */
1493 }
1494
1495 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1496 no_seq_check, NULL);
1497 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1498 process_global_event, global);
1499
1500 nl80211_register_eloop_read(&global->nl_event,
1501 wpa_driver_nl80211_event_receive,
1502 global->nl_cb);
1503
1504 return 0;
1505
1506 err:
1507 nl_destroy_handles(&global->nl_event);
1508 nl_destroy_handles(&global->nl);
1509 nl_cb_put(global->nl_cb);
1510 global->nl_cb = NULL;
1511 return -1;
1512 }
1513
1514
1515 static void nl80211_check_global(struct nl80211_global *global)
1516 {
1517 struct nl_handle *handle;
1518 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1519 int ret;
1520 unsigned int i;
1521
1522 /*
1523 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1524 * and all registration having been cleared.
1525 */
1526 handle = (void *) (((intptr_t) global->nl_event) ^
1527 ELOOP_SOCKET_INVALID);
1528
1529 for (i = 0; groups[i]; i++) {
1530 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1531 if (ret >= 0)
1532 ret = nl_socket_add_membership(handle, ret);
1533 if (ret < 0) {
1534 wpa_printf(MSG_INFO,
1535 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1536 groups[i], ret, strerror(-ret));
1537 }
1538 }
1539 }
1540
1541
1542 static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1543 {
1544 struct wpa_driver_nl80211_data *drv = ctx;
1545
1546 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
1547
1548 /*
1549 * rtnetlink ifdown handler will report interfaces other than the P2P
1550 * Device interface as disabled.
1551 */
1552 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1553 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
1554 }
1555
1556
1557 static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1558 {
1559 struct wpa_driver_nl80211_data *drv = ctx;
1560 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
1561 if (i802_set_iface_flags(drv->first_bss, 1)) {
1562 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1563 "after rfkill unblock");
1564 return;
1565 }
1566
1567 if (is_p2p_net_interface(drv->nlmode))
1568 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1569
1570 /*
1571 * rtnetlink ifup handler will report interfaces other than the P2P
1572 * Device interface as enabled.
1573 */
1574 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1575 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
1576 }
1577
1578
1579 static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1580 void *eloop_ctx,
1581 void *handle)
1582 {
1583 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1584 u8 data[2048];
1585 struct msghdr msg;
1586 struct iovec entry;
1587 u8 control[512];
1588 struct cmsghdr *cmsg;
1589 int res, found_ee = 0, found_wifi = 0, acked = 0;
1590 union wpa_event_data event;
1591
1592 memset(&msg, 0, sizeof(msg));
1593 msg.msg_iov = &entry;
1594 msg.msg_iovlen = 1;
1595 entry.iov_base = data;
1596 entry.iov_len = sizeof(data);
1597 msg.msg_control = &control;
1598 msg.msg_controllen = sizeof(control);
1599
1600 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1601 /* if error or not fitting 802.3 header, return */
1602 if (res < 14)
1603 return;
1604
1605 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1606 {
1607 if (cmsg->cmsg_level == SOL_SOCKET &&
1608 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1609 int *ack;
1610
1611 found_wifi = 1;
1612 ack = (void *)CMSG_DATA(cmsg);
1613 acked = *ack;
1614 }
1615
1616 if (cmsg->cmsg_level == SOL_PACKET &&
1617 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1618 struct sock_extended_err *err =
1619 (struct sock_extended_err *)CMSG_DATA(cmsg);
1620
1621 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1622 found_ee = 1;
1623 }
1624 }
1625
1626 if (!found_ee || !found_wifi)
1627 return;
1628
1629 memset(&event, 0, sizeof(event));
1630 event.eapol_tx_status.dst = data;
1631 event.eapol_tx_status.data = data + 14;
1632 event.eapol_tx_status.data_len = res - 14;
1633 event.eapol_tx_status.ack = acked;
1634 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1635 }
1636
1637
1638 static int nl80211_init_bss(struct i802_bss *bss)
1639 {
1640 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1641 if (!bss->nl_cb)
1642 return -1;
1643
1644 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1645 no_seq_check, NULL);
1646 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1647 process_bss_event, bss);
1648
1649 return 0;
1650 }
1651
1652
1653 static void nl80211_destroy_bss(struct i802_bss *bss)
1654 {
1655 nl_cb_put(bss->nl_cb);
1656 bss->nl_cb = NULL;
1657 }
1658
1659
1660 static void
1661 wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1662 {
1663 struct rfkill_config *rcfg;
1664
1665 if (drv->rfkill)
1666 return;
1667
1668 rcfg = os_zalloc(sizeof(*rcfg));
1669 if (!rcfg)
1670 return;
1671
1672 rcfg->ctx = drv;
1673
1674 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1675 * not associated with a netdev, so use the name of some other interface
1676 * sharing the same wiphy as the P2P Device interface.
1677 *
1678 * Note: This is valid, as a P2P Device interface is always dynamically
1679 * created and is created only once another wpa_s interface was added.
1680 */
1681 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1682 struct nl80211_global *global = drv->global;
1683 struct wpa_driver_nl80211_data *tmp1;
1684
1685 dl_list_for_each(tmp1, &global->interfaces,
1686 struct wpa_driver_nl80211_data, list) {
1687 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1688 !tmp1->rfkill)
1689 continue;
1690
1691 wpa_printf(MSG_DEBUG,
1692 "nl80211: Use (%s) to initialize P2P Device rfkill",
1693 tmp1->first_bss->ifname);
1694 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1695 sizeof(rcfg->ifname));
1696 break;
1697 }
1698 } else {
1699 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1700 sizeof(rcfg->ifname));
1701 }
1702
1703 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1704 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1705 drv->rfkill = rfkill_init(rcfg);
1706 if (!drv->rfkill) {
1707 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1708 os_free(rcfg);
1709 }
1710 }
1711
1712
1713 static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1714 void *global_priv, int hostapd,
1715 const u8 *set_addr,
1716 const char *driver_params)
1717 {
1718 struct wpa_driver_nl80211_data *drv;
1719 struct i802_bss *bss;
1720
1721 if (global_priv == NULL)
1722 return NULL;
1723 drv = os_zalloc(sizeof(*drv));
1724 if (drv == NULL)
1725 return NULL;
1726 drv->global = global_priv;
1727 drv->ctx = ctx;
1728 drv->hostapd = !!hostapd;
1729 drv->eapol_sock = -1;
1730
1731 /*
1732 * There is no driver capability flag for this, so assume it is
1733 * supported and disable this on first attempt to use if the driver
1734 * rejects the command due to missing support.
1735 */
1736 drv->set_rekey_offload = 1;
1737
1738 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1739 drv->if_indices = drv->default_if_indices;
1740 drv->if_indices_reason = drv->default_if_indices_reason;
1741
1742 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1743 if (!drv->first_bss) {
1744 os_free(drv);
1745 return NULL;
1746 }
1747 bss = drv->first_bss;
1748 bss->drv = drv;
1749 bss->ctx = ctx;
1750
1751 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
1752 drv->monitor_ifidx = -1;
1753 drv->monitor_sock = -1;
1754 drv->eapol_tx_sock = -1;
1755 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
1756
1757 if (nl80211_init_bss(bss))
1758 goto failed;
1759
1760 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
1761 goto failed;
1762
1763 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
1764 if (drv->eapol_tx_sock < 0)
1765 goto failed;
1766
1767 if (drv->data_tx_status) {
1768 int enabled = 1;
1769
1770 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1771 &enabled, sizeof(enabled)) < 0) {
1772 wpa_printf(MSG_DEBUG,
1773 "nl80211: wifi status sockopt failed\n");
1774 drv->data_tx_status = 0;
1775 if (!drv->use_monitor)
1776 drv->capa.flags &=
1777 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1778 } else {
1779 eloop_register_read_sock(drv->eapol_tx_sock,
1780 wpa_driver_nl80211_handle_eapol_tx_status,
1781 drv, NULL);
1782 }
1783 }
1784
1785 if (drv->global) {
1786 nl80211_check_global(drv->global);
1787 dl_list_add(&drv->global->interfaces, &drv->list);
1788 drv->in_interface_list = 1;
1789 }
1790
1791 return bss;
1792
1793 failed:
1794 wpa_driver_nl80211_deinit(bss);
1795 return NULL;
1796 }
1797
1798
1799 /**
1800 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1801 * @ctx: context to be used when calling wpa_supplicant functions,
1802 * e.g., wpa_supplicant_event()
1803 * @ifname: interface name, e.g., wlan0
1804 * @global_priv: private driver global data from global_init()
1805 * Returns: Pointer to private data, %NULL on failure
1806 */
1807 static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1808 void *global_priv)
1809 {
1810 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1811 NULL);
1812 }
1813
1814
1815 static int nl80211_register_frame(struct i802_bss *bss,
1816 struct nl_handle *nl_handle,
1817 u16 type, const u8 *match, size_t match_len)
1818 {
1819 struct wpa_driver_nl80211_data *drv = bss->drv;
1820 struct nl_msg *msg;
1821 int ret;
1822 char buf[30];
1823
1824 buf[0] = '\0';
1825 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
1826 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1827 type, fc2str(type), nl_handle, buf);
1828
1829 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
1830 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1831 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1832 nlmsg_free(msg);
1833 return -1;
1834 }
1835
1836 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
1837 if (ret) {
1838 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1839 "failed (type=%u): ret=%d (%s)",
1840 type, ret, strerror(-ret));
1841 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
1842 match, match_len);
1843 }
1844 return ret;
1845 }
1846
1847
1848 static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1849 {
1850 if (bss->nl_mgmt) {
1851 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
1852 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
1853 return -1;
1854 }
1855
1856 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
1857 if (bss->nl_mgmt == NULL)
1858 return -1;
1859
1860 return 0;
1861 }
1862
1863
1864 static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1865 {
1866 nl80211_register_eloop_read(&bss->nl_mgmt,
1867 wpa_driver_nl80211_event_receive,
1868 bss->nl_cb);
1869 }
1870
1871
1872 static int nl80211_register_action_frame(struct i802_bss *bss,
1873 const u8 *match, size_t match_len)
1874 {
1875 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
1876 return nl80211_register_frame(bss, bss->nl_mgmt,
1877 type, match, match_len);
1878 }
1879
1880
1881 static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
1882 {
1883 struct wpa_driver_nl80211_data *drv = bss->drv;
1884 int ret = 0;
1885
1886 if (nl80211_alloc_mgmt_handle(bss))
1887 return -1;
1888 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
1889 "handle %p", bss->nl_mgmt);
1890
1891 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
1892 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1893
1894 /* register for any AUTH message */
1895 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
1896 }
1897
1898 #ifdef CONFIG_INTERWORKING
1899 /* QoS Map Configure */
1900 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
1901 ret = -1;
1902 #endif /* CONFIG_INTERWORKING */
1903 #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
1904 /* GAS Initial Request */
1905 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
1906 ret = -1;
1907 /* GAS Initial Response */
1908 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
1909 ret = -1;
1910 /* GAS Comeback Request */
1911 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
1912 ret = -1;
1913 /* GAS Comeback Response */
1914 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
1915 ret = -1;
1916 /* Protected GAS Initial Request */
1917 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
1918 ret = -1;
1919 /* Protected GAS Initial Response */
1920 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
1921 ret = -1;
1922 /* Protected GAS Comeback Request */
1923 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
1924 ret = -1;
1925 /* Protected GAS Comeback Response */
1926 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
1927 ret = -1;
1928 #endif /* CONFIG_P2P || CONFIG_INTERWORKING */
1929 #ifdef CONFIG_P2P
1930 /* P2P Public Action */
1931 if (nl80211_register_action_frame(bss,
1932 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
1933 6) < 0)
1934 ret = -1;
1935 /* P2P Action */
1936 if (nl80211_register_action_frame(bss,
1937 (u8 *) "\x7f\x50\x6f\x9a\x09",
1938 5) < 0)
1939 ret = -1;
1940 #endif /* CONFIG_P2P */
1941 #ifdef CONFIG_IEEE80211W
1942 /* SA Query Response */
1943 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
1944 ret = -1;
1945 #endif /* CONFIG_IEEE80211W */
1946 #ifdef CONFIG_TDLS
1947 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
1948 /* TDLS Discovery Response */
1949 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
1950 0)
1951 ret = -1;
1952 }
1953 #endif /* CONFIG_TDLS */
1954 #ifdef CONFIG_FST
1955 /* FST Action frames */
1956 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
1957 ret = -1;
1958 #endif /* CONFIG_FST */
1959
1960 /* FT Action frames */
1961 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
1962 ret = -1;
1963 else
1964 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
1965 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
1966
1967 /* WNM - BSS Transition Management Request */
1968 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
1969 ret = -1;
1970 /* WNM-Sleep Mode Response */
1971 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
1972 ret = -1;
1973
1974 #ifdef CONFIG_HS20
1975 /* WNM-Notification */
1976 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
1977 ret = -1;
1978 #endif /* CONFIG_HS20 */
1979
1980 /* WMM-AC ADDTS Response */
1981 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
1982 ret = -1;
1983
1984 /* WMM-AC DELTS */
1985 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
1986 ret = -1;
1987
1988 /* Radio Measurement - Neighbor Report Response */
1989 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
1990 ret = -1;
1991
1992 /* Radio Measurement - Radio Measurement Request */
1993 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
1994 ret = -1;
1995
1996 /* Radio Measurement - Link Measurement Request */
1997 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
1998 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
1999 ret = -1;
2000
2001 nl80211_mgmt_handle_register_eloop(bss);
2002
2003 return ret;
2004 }
2005
2006
2007 static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2008 {
2009 int ret = 0;
2010
2011 if (nl80211_alloc_mgmt_handle(bss))
2012 return -1;
2013
2014 wpa_printf(MSG_DEBUG,
2015 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2016 bss->nl_mgmt);
2017
2018 /* Auth frames for mesh SAE */
2019 if (nl80211_register_frame(bss, bss->nl_mgmt,
2020 (WLAN_FC_TYPE_MGMT << 2) |
2021 (WLAN_FC_STYPE_AUTH << 4),
2022 NULL, 0) < 0)
2023 ret = -1;
2024
2025 /* Mesh peering open */
2026 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2027 ret = -1;
2028 /* Mesh peering confirm */
2029 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2030 ret = -1;
2031 /* Mesh peering close */
2032 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2033 ret = -1;
2034
2035 nl80211_mgmt_handle_register_eloop(bss);
2036
2037 return ret;
2038 }
2039
2040
2041 static int nl80211_register_spurious_class3(struct i802_bss *bss)
2042 {
2043 struct nl_msg *msg;
2044 int ret;
2045
2046 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2047 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
2048 if (ret) {
2049 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2050 "failed: ret=%d (%s)",
2051 ret, strerror(-ret));
2052 }
2053 return ret;
2054 }
2055
2056
2057 static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2058 {
2059 int ret = 0;
2060
2061 /* Public Action frames */
2062 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2063 ret = -1;
2064 /* RRM Measurement Report */
2065 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2066 ret = -1;
2067 /* RRM Neighbor Report Request */
2068 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2069 ret = -1;
2070 /* FT Action frames */
2071 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2072 ret = -1;
2073 #ifdef CONFIG_IEEE80211W
2074 /* SA Query */
2075 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2076 ret = -1;
2077 #endif /* CONFIG_IEEE80211W */
2078 /* Protected Dual of Public Action */
2079 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2080 ret = -1;
2081 /* WNM */
2082 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2083 ret = -1;
2084 /* WMM */
2085 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2086 ret = -1;
2087 #ifdef CONFIG_FST
2088 /* FST Action frames */
2089 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2090 ret = -1;
2091 #endif /* CONFIG_FST */
2092 /* Vendor-specific */
2093 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2094 ret = -1;
2095
2096 return ret;
2097 }
2098
2099
2100 static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2101 {
2102 static const int stypes[] = {
2103 WLAN_FC_STYPE_AUTH,
2104 WLAN_FC_STYPE_ASSOC_REQ,
2105 WLAN_FC_STYPE_REASSOC_REQ,
2106 WLAN_FC_STYPE_DISASSOC,
2107 WLAN_FC_STYPE_DEAUTH,
2108 WLAN_FC_STYPE_PROBE_REQ,
2109 /* Beacon doesn't work as mac80211 doesn't currently allow
2110 * it, but it wouldn't really be the right thing anyway as
2111 * it isn't per interface ... maybe just dump the scan
2112 * results periodically for OLBC?
2113 */
2114 /* WLAN_FC_STYPE_BEACON, */
2115 };
2116 unsigned int i;
2117
2118 if (nl80211_alloc_mgmt_handle(bss))
2119 return -1;
2120 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2121 "handle %p", bss->nl_mgmt);
2122
2123 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
2124 if (nl80211_register_frame(bss, bss->nl_mgmt,
2125 (WLAN_FC_TYPE_MGMT << 2) |
2126 (stypes[i] << 4),
2127 NULL, 0) < 0) {
2128 goto out_err;
2129 }
2130 }
2131
2132 if (nl80211_action_subscribe_ap(bss))
2133 goto out_err;
2134
2135 if (nl80211_register_spurious_class3(bss))
2136 goto out_err;
2137
2138 if (nl80211_get_wiphy_data_ap(bss) == NULL)
2139 goto out_err;
2140
2141 nl80211_mgmt_handle_register_eloop(bss);
2142 return 0;
2143
2144 out_err:
2145 nl_destroy_handles(&bss->nl_mgmt);
2146 return -1;
2147 }
2148
2149
2150 static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2151 {
2152 if (nl80211_alloc_mgmt_handle(bss))
2153 return -1;
2154 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2155 "handle %p (device SME)", bss->nl_mgmt);
2156
2157 if (nl80211_action_subscribe_ap(bss))
2158 goto out_err;
2159
2160 nl80211_mgmt_handle_register_eloop(bss);
2161 return 0;
2162
2163 out_err:
2164 nl_destroy_handles(&bss->nl_mgmt);
2165 return -1;
2166 }
2167
2168
2169 static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
2170 {
2171 if (bss->nl_mgmt == NULL)
2172 return;
2173 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2174 "(%s)", bss->nl_mgmt, reason);
2175 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
2176
2177 nl80211_put_wiphy_data_ap(bss);
2178 }
2179
2180
2181 static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2182 {
2183 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2184 }
2185
2186
2187 static void nl80211_del_p2pdev(struct i802_bss *bss)
2188 {
2189 struct nl_msg *msg;
2190 int ret;
2191
2192 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2193 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2194
2195 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2196 bss->ifname, (long long unsigned int) bss->wdev_id,
2197 strerror(-ret));
2198 }
2199
2200
2201 static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
2202 {
2203 struct nl_msg *msg;
2204 int ret;
2205
2206 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2207 NL80211_CMD_STOP_P2P_DEVICE);
2208 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2209
2210 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2211 start ? "Start" : "Stop",
2212 bss->ifname, (long long unsigned int) bss->wdev_id,
2213 strerror(-ret));
2214 return ret;
2215 }
2216
2217
2218 static int i802_set_iface_flags(struct i802_bss *bss, int up)
2219 {
2220 enum nl80211_iftype nlmode;
2221
2222 nlmode = nl80211_get_ifmode(bss);
2223 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2224 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2225 bss->ifname, up);
2226 }
2227
2228 /* P2P Device has start/stop which is equivalent */
2229 return nl80211_set_p2pdev(bss, up);
2230 }
2231
2232
2233 #ifdef CONFIG_TESTING_OPTIONS
2234 static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2235 {
2236 /* struct wpa_driver_nl80211_data *drv = arg; */
2237 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2238 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2239
2240
2241 wpa_printf(MSG_DEBUG,
2242 "nl80211: QCA vendor test command response received");
2243
2244 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2245 genlmsg_attrlen(gnlh, 0), NULL);
2246 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2247 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2248 return NL_SKIP;
2249 }
2250
2251 wpa_hexdump(MSG_DEBUG,
2252 "nl80211: Received QCA vendor test command response",
2253 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2254 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2255
2256 return NL_SKIP;
2257 }
2258 #endif /* CONFIG_TESTING_OPTIONS */
2259
2260
2261 static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2262 {
2263 #ifdef CONFIG_TESTING_OPTIONS
2264 struct nl_msg *msg;
2265 struct nlattr *params;
2266 int ret;
2267
2268 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2269 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2270 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2271 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2272 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2273 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2274 nlmsg_free(msg);
2275 return;
2276 }
2277 nla_nest_end(msg, params);
2278
2279 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2280 wpa_printf(MSG_DEBUG,
2281 "nl80211: QCA vendor test command returned %d (%s)",
2282 ret, strerror(-ret));
2283 #endif /* CONFIG_TESTING_OPTIONS */
2284 }
2285
2286
2287 static int
2288 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
2289 const u8 *set_addr, int first,
2290 const char *driver_params)
2291 {
2292 struct i802_bss *bss = drv->first_bss;
2293 int send_rfkill_event = 0;
2294 enum nl80211_iftype nlmode;
2295
2296 drv->ifindex = if_nametoindex(bss->ifname);
2297 bss->ifindex = drv->ifindex;
2298 bss->wdev_id = drv->global->if_add_wdevid;
2299 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2300
2301 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2302 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
2303 drv->global->if_add_wdevid_set = 0;
2304
2305 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2306 bss->static_ap = 1;
2307
2308 if (first &&
2309 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2310 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2311 drv->start_iface_up = 1;
2312
2313 if (wpa_driver_nl80211_capa(drv))
2314 return -1;
2315
2316 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2317 return -1;
2318
2319 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2320 bss->ifname, drv->phyname);
2321
2322 if (set_addr &&
2323 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2324 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2325 set_addr)))
2326 return -1;
2327
2328 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2329 drv->start_mode_ap = 1;
2330
2331 if (drv->hostapd || bss->static_ap)
2332 nlmode = NL80211_IFTYPE_AP;
2333 else if (bss->if_dynamic)
2334 nlmode = nl80211_get_ifmode(bss);
2335 else
2336 nlmode = NL80211_IFTYPE_STATION;
2337
2338 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
2339 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
2340 return -1;
2341 }
2342
2343 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2344 nl80211_get_macaddr(bss);
2345
2346 wpa_driver_nl80211_drv_init_rfkill(drv);
2347
2348 if (!rfkill_is_blocked(drv->rfkill)) {
2349 int ret = i802_set_iface_flags(bss, 1);
2350 if (ret) {
2351 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2352 "interface '%s' UP", bss->ifname);
2353 return ret;
2354 }
2355
2356 if (is_p2p_net_interface(nlmode))
2357 nl80211_disable_11b_rates(bss->drv,
2358 bss->drv->ifindex, 1);
2359
2360 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2361 return ret;
2362 } else {
2363 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2364 "interface '%s' due to rfkill", bss->ifname);
2365 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2366 drv->if_disabled = 1;
2367
2368 send_rfkill_event = 1;
2369 }
2370
2371 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
2372 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2373 1, IF_OPER_DORMANT);
2374
2375 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2376 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2377 bss->addr))
2378 return -1;
2379 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2380 }
2381
2382 if (send_rfkill_event) {
2383 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2384 drv, drv->ctx);
2385 }
2386
2387 if (drv->vendor_cmd_test_avail)
2388 qca_vendor_test(drv);
2389
2390 return 0;
2391 }
2392
2393
2394 static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
2395 {
2396 struct nl_msg *msg;
2397
2398 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2399 drv->ifindex);
2400 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
2401 return send_and_recv_msgs(drv, msg, NULL, NULL);
2402 }
2403
2404
2405 /**
2406 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
2407 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
2408 *
2409 * Shut down driver interface and processing of driver events. Free
2410 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2411 */
2412 static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
2413 {
2414 struct wpa_driver_nl80211_data *drv = bss->drv;
2415 unsigned int i;
2416
2417 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2418 bss->ifname, drv->disabled_11b_rates);
2419
2420 bss->in_deinit = 1;
2421 if (drv->data_tx_status)
2422 eloop_unregister_read_sock(drv->eapol_tx_sock);
2423 if (drv->eapol_tx_sock >= 0)
2424 close(drv->eapol_tx_sock);
2425
2426 if (bss->nl_preq)
2427 wpa_driver_nl80211_probe_req_report(bss, 0);
2428 if (bss->added_if_into_bridge) {
2429 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2430 bss->ifname) < 0)
2431 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2432 "interface %s from bridge %s: %s",
2433 bss->ifname, bss->brname, strerror(errno));
2434 if (drv->rtnl_sk)
2435 nl80211_handle_destroy(drv->rtnl_sk);
2436 }
2437 if (bss->added_bridge) {
2438 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2439 0) < 0)
2440 wpa_printf(MSG_INFO,
2441 "nl80211: Could not set bridge %s down",
2442 bss->brname);
2443 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
2444 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2445 "bridge %s: %s",
2446 bss->brname, strerror(errno));
2447 }
2448
2449 nl80211_remove_monitor_interface(drv);
2450
2451 if (is_ap_interface(drv->nlmode))
2452 wpa_driver_nl80211_del_beacon(drv);
2453
2454 if (drv->eapol_sock >= 0) {
2455 eloop_unregister_read_sock(drv->eapol_sock);
2456 close(drv->eapol_sock);
2457 }
2458
2459 if (drv->if_indices != drv->default_if_indices)
2460 os_free(drv->if_indices);
2461
2462 if (drv->if_indices_reason != drv->default_if_indices_reason)
2463 os_free(drv->if_indices_reason);
2464
2465 if (drv->disabled_11b_rates)
2466 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2467
2468 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2469 IF_OPER_UP);
2470 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
2471 rfkill_deinit(drv->rfkill);
2472
2473 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2474
2475 if (!drv->start_iface_up)
2476 (void) i802_set_iface_flags(bss, 0);
2477
2478 if (drv->addr_changed) {
2479 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2480 0) < 0) {
2481 wpa_printf(MSG_DEBUG,
2482 "nl80211: Could not set interface down to restore permanent MAC address");
2483 }
2484 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2485 drv->perm_addr) < 0) {
2486 wpa_printf(MSG_DEBUG,
2487 "nl80211: Could not restore permanent MAC address");
2488 }
2489 }
2490
2491 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2492 if (!drv->hostapd || !drv->start_mode_ap)
2493 wpa_driver_nl80211_set_mode(bss,
2494 NL80211_IFTYPE_STATION);
2495 nl80211_mgmt_unsubscribe(bss, "deinit");
2496 } else {
2497 nl80211_mgmt_unsubscribe(bss, "deinit");
2498 nl80211_del_p2pdev(bss);
2499 }
2500
2501 nl80211_destroy_bss(drv->first_bss);
2502
2503 os_free(drv->filter_ssids);
2504
2505 os_free(drv->auth_ie);
2506
2507 if (drv->in_interface_list)
2508 dl_list_del(&drv->list);
2509
2510 os_free(drv->extended_capa);
2511 os_free(drv->extended_capa_mask);
2512 for (i = 0; i < drv->num_iface_ext_capa; i++) {
2513 os_free(drv->iface_ext_capa[i].ext_capa);
2514 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2515 }
2516 os_free(drv->first_bss);
2517 os_free(drv);
2518 }
2519
2520
2521 static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2522 {
2523 switch (alg) {
2524 case WPA_ALG_WEP:
2525 if (key_len == 5)
2526 return WLAN_CIPHER_SUITE_WEP40;
2527 return WLAN_CIPHER_SUITE_WEP104;
2528 case WPA_ALG_TKIP:
2529 return WLAN_CIPHER_SUITE_TKIP;
2530 case WPA_ALG_CCMP:
2531 return WLAN_CIPHER_SUITE_CCMP;
2532 case WPA_ALG_GCMP:
2533 return WLAN_CIPHER_SUITE_GCMP;
2534 case WPA_ALG_CCMP_256:
2535 return WLAN_CIPHER_SUITE_CCMP_256;
2536 case WPA_ALG_GCMP_256:
2537 return WLAN_CIPHER_SUITE_GCMP_256;
2538 case WPA_ALG_IGTK:
2539 return WLAN_CIPHER_SUITE_AES_CMAC;
2540 case WPA_ALG_BIP_GMAC_128:
2541 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
2542 case WPA_ALG_BIP_GMAC_256:
2543 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
2544 case WPA_ALG_BIP_CMAC_256:
2545 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
2546 case WPA_ALG_SMS4:
2547 return WLAN_CIPHER_SUITE_SMS4;
2548 case WPA_ALG_KRK:
2549 return WLAN_CIPHER_SUITE_KRK;
2550 case WPA_ALG_NONE:
2551 case WPA_ALG_PMK:
2552 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2553 alg);
2554 return 0;
2555 }
2556
2557 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2558 alg);
2559 return 0;
2560 }
2561
2562
2563 static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2564 {
2565 switch (cipher) {
2566 case WPA_CIPHER_CCMP_256:
2567 return WLAN_CIPHER_SUITE_CCMP_256;
2568 case WPA_CIPHER_GCMP_256:
2569 return WLAN_CIPHER_SUITE_GCMP_256;
2570 case WPA_CIPHER_CCMP:
2571 return WLAN_CIPHER_SUITE_CCMP;
2572 case WPA_CIPHER_GCMP:
2573 return WLAN_CIPHER_SUITE_GCMP;
2574 case WPA_CIPHER_TKIP:
2575 return WLAN_CIPHER_SUITE_TKIP;
2576 case WPA_CIPHER_WEP104:
2577 return WLAN_CIPHER_SUITE_WEP104;
2578 case WPA_CIPHER_WEP40:
2579 return WLAN_CIPHER_SUITE_WEP40;
2580 case WPA_CIPHER_GTK_NOT_USED:
2581 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
2582 }
2583
2584 return 0;
2585 }
2586
2587
2588 static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2589 int max_suites)
2590 {
2591 int num_suites = 0;
2592
2593 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2594 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
2595 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2596 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
2597 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2598 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
2599 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2600 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
2601 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2602 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
2603 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2604 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
2605 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2606 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
2607
2608 return num_suites;
2609 }
2610
2611
2612 #ifdef CONFIG_DRIVER_NL80211_QCA
2613 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2614 const u8 *key, size_t key_len)
2615 {
2616 struct nl_msg *msg;
2617 int ret;
2618
2619 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
2620 return 0;
2621
2622 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2623 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2624 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2625 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2626 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
2627 nl80211_nlmsg_clear(msg);
2628 nlmsg_free(msg);
2629 return -1;
2630 }
2631 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
2632 if (ret) {
2633 wpa_printf(MSG_DEBUG,
2634 "nl80211: Key management set key failed: ret=%d (%s)",
2635 ret, strerror(-ret));
2636 }
2637
2638 return ret;
2639 }
2640 #endif /* CONFIG_DRIVER_NL80211_QCA */
2641
2642
2643 static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
2644 enum wpa_alg alg, const u8 *addr,
2645 int key_idx, int set_tx,
2646 const u8 *seq, size_t seq_len,
2647 const u8 *key, size_t key_len)
2648 {
2649 struct wpa_driver_nl80211_data *drv = bss->drv;
2650 int ifindex;
2651 struct nl_msg *msg = NULL;
2652 int ret;
2653 int tdls = 0;
2654
2655 /* Ignore for P2P Device */
2656 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2657 return 0;
2658
2659 ifindex = if_nametoindex(ifname);
2660 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
2661 "set_tx=%d seq_len=%lu key_len=%lu",
2662 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
2663 (unsigned long) seq_len, (unsigned long) key_len);
2664 #ifdef CONFIG_TDLS
2665 if (key_idx == -1) {
2666 key_idx = 0;
2667 tdls = 1;
2668 }
2669 #endif /* CONFIG_TDLS */
2670
2671 #ifdef CONFIG_DRIVER_NL80211_QCA
2672 if (alg == WPA_ALG_PMK &&
2673 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
2674 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2675 __func__);
2676 ret = issue_key_mgmt_set_key(drv, key, key_len);
2677 return ret;
2678 }
2679 #endif /* CONFIG_DRIVER_NL80211_QCA */
2680
2681 if (alg == WPA_ALG_NONE) {
2682 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2683 if (!msg)
2684 return -ENOBUFS;
2685 } else {
2686 u32 suite;
2687
2688 suite = wpa_alg_to_cipher_suite(alg, key_len);
2689 if (!suite)
2690 goto fail;
2691 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2692 if (!msg ||
2693 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
2694 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
2695 goto fail;
2696 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
2697 }
2698
2699 if (seq && seq_len) {
2700 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2701 goto fail;
2702 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2703 }
2704
2705 if (addr && !is_broadcast_ether_addr(addr)) {
2706 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
2707 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2708 goto fail;
2709
2710 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2711 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
2712 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2713 NL80211_KEYTYPE_GROUP))
2714 goto fail;
2715 }
2716 } else if (addr && is_broadcast_ether_addr(addr)) {
2717 struct nlattr *types;
2718
2719 wpa_printf(MSG_DEBUG, " broadcast key");
2720
2721 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2722 if (!types ||
2723 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2724 goto fail;
2725 nla_nest_end(msg, types);
2726 }
2727 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2728 goto fail;
2729
2730 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
2731 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
2732 ret = 0;
2733 if (ret)
2734 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2735 ret, strerror(-ret));
2736
2737 /*
2738 * If we failed or don't need to set the default TX key (below),
2739 * we're done here.
2740 */
2741 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
2742 return ret;
2743 if (is_ap_interface(drv->nlmode) && addr &&
2744 !is_broadcast_ether_addr(addr))
2745 return ret;
2746
2747 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2748 if (!msg ||
2749 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
2750 nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
2751 alg == WPA_ALG_BIP_GMAC_128 ||
2752 alg == WPA_ALG_BIP_GMAC_256 ||
2753 alg == WPA_ALG_BIP_CMAC_256) ?
2754 NL80211_ATTR_KEY_DEFAULT_MGMT :
2755 NL80211_ATTR_KEY_DEFAULT))
2756 goto fail;
2757 if (addr && is_broadcast_ether_addr(addr)) {
2758 struct nlattr *types;
2759
2760 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2761 if (!types ||
2762 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2763 goto fail;
2764 nla_nest_end(msg, types);
2765 } else if (addr) {
2766 struct nlattr *types;
2767
2768 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2769 if (!types ||
2770 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2771 goto fail;
2772 nla_nest_end(msg, types);
2773 }
2774
2775 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2776 if (ret == -ENOENT)
2777 ret = 0;
2778 if (ret)
2779 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2780 "err=%d %s)", ret, strerror(-ret));
2781 return ret;
2782
2783 fail:
2784 nl80211_nlmsg_clear(msg);
2785 nlmsg_free(msg);
2786 return -ENOBUFS;
2787 }
2788
2789
2790 static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
2791 int key_idx, int defkey,
2792 const u8 *seq, size_t seq_len,
2793 const u8 *key, size_t key_len)
2794 {
2795 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
2796 u32 suite;
2797
2798 if (!key_attr)
2799 return -1;
2800
2801 suite = wpa_alg_to_cipher_suite(alg, key_len);
2802 if (!suite)
2803 return -1;
2804
2805 if (defkey && alg == WPA_ALG_IGTK) {
2806 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2807 return -1;
2808 } else if (defkey) {
2809 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2810 return -1;
2811 }
2812
2813 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
2814 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
2815 (seq && seq_len &&
2816 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2817 nla_put(msg, NL80211_KEY_DATA, key_len, key))
2818 return -1;
2819
2820 nla_nest_end(msg, key_attr);
2821
2822 return 0;
2823 }
2824
2825
2826 static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2827 struct nl_msg *msg)
2828 {
2829 int i, privacy = 0;
2830 struct nlattr *nl_keys, *nl_key;
2831
2832 for (i = 0; i < 4; i++) {
2833 if (!params->wep_key[i])
2834 continue;
2835 privacy = 1;
2836 break;
2837 }
2838 if (params->wps == WPS_MODE_PRIVACY)
2839 privacy = 1;
2840 if (params->pairwise_suite &&
2841 params->pairwise_suite != WPA_CIPHER_NONE)
2842 privacy = 1;
2843
2844 if (!privacy)
2845 return 0;
2846
2847 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2848 return -ENOBUFS;
2849
2850 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2851 if (!nl_keys)
2852 return -ENOBUFS;
2853
2854 for (i = 0; i < 4; i++) {
2855 if (!params->wep_key[i])
2856 continue;
2857
2858 nl_key = nla_nest_start(msg, i);
2859 if (!nl_key ||
2860 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
2861 params->wep_key[i]) ||
2862 nla_put_u32(msg, NL80211_KEY_CIPHER,
2863 params->wep_key_len[i] == 5 ?
2864 WLAN_CIPHER_SUITE_WEP40 :
2865 WLAN_CIPHER_SUITE_WEP104) ||
2866 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
2867 (i == params->wep_tx_keyidx &&
2868 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
2869 return -ENOBUFS;
2870
2871 nla_nest_end(msg, nl_key);
2872 }
2873 nla_nest_end(msg, nl_keys);
2874
2875 return 0;
2876 }
2877
2878
2879 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
2880 const u8 *addr, int cmd, u16 reason_code,
2881 int local_state_change)
2882 {
2883 int ret;
2884 struct nl_msg *msg;
2885
2886 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
2887 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
2888 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
2889 (local_state_change &&
2890 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
2891 nlmsg_free(msg);
2892 return -1;
2893 }
2894
2895 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2896 if (ret) {
2897 wpa_dbg(drv->ctx, MSG_DEBUG,
2898 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2899 reason_code, ret, strerror(-ret));
2900 }
2901 return ret;
2902 }
2903
2904
2905 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
2906 int reason_code)
2907 {
2908 int ret;
2909
2910 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
2911 nl80211_mark_disconnected(drv);
2912 /* Disconnect command doesn't need BSSID - it uses cached value */
2913 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
2914 reason_code, 0);
2915 /*
2916 * For locally generated disconnect, supplicant already generates a
2917 * DEAUTH event, so ignore the event from NL80211.
2918 */
2919 drv->ignore_next_local_disconnect = ret == 0;
2920
2921 return ret;
2922 }
2923
2924
2925 static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
2926 const u8 *addr, int reason_code)
2927 {
2928 struct wpa_driver_nl80211_data *drv = bss->drv;
2929 int ret;
2930
2931 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2932 nl80211_mark_disconnected(drv);
2933 return nl80211_leave_ibss(drv, 1);
2934 }
2935 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
2936 return wpa_driver_nl80211_disconnect(drv, reason_code);
2937 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
2938 __func__, MAC2STR(addr), reason_code);
2939 nl80211_mark_disconnected(drv);
2940 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
2941 reason_code, 0);
2942 /*
2943 * For locally generated deauthenticate, supplicant already generates a
2944 * DEAUTH event, so ignore the event from NL80211.
2945 */
2946 drv->ignore_next_local_deauth = ret == 0;
2947 return ret;
2948 }
2949
2950
2951 static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
2952 struct wpa_driver_auth_params *params)
2953 {
2954 int i;
2955
2956 drv->auth_freq = params->freq;
2957 drv->auth_alg = params->auth_alg;
2958 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
2959 drv->auth_local_state_change = params->local_state_change;
2960 drv->auth_p2p = params->p2p;
2961
2962 if (params->bssid)
2963 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
2964 else
2965 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
2966
2967 if (params->ssid) {
2968 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
2969 drv->auth_ssid_len = params->ssid_len;
2970 } else
2971 drv->auth_ssid_len = 0;
2972
2973
2974 os_free(drv->auth_ie);
2975 drv->auth_ie = NULL;
2976 drv->auth_ie_len = 0;
2977 if (params->ie) {
2978 drv->auth_ie = os_malloc(params->ie_len);
2979 if (drv->auth_ie) {
2980 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
2981 drv->auth_ie_len = params->ie_len;
2982 }
2983 }
2984
2985 for (i = 0; i < 4; i++) {
2986 if (params->wep_key[i] && params->wep_key_len[i] &&
2987 params->wep_key_len[i] <= 16) {
2988 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
2989 params->wep_key_len[i]);
2990 drv->auth_wep_key_len[i] = params->wep_key_len[i];
2991 } else
2992 drv->auth_wep_key_len[i] = 0;
2993 }
2994 }
2995
2996
2997 static void nl80211_unmask_11b_rates(struct i802_bss *bss)
2998 {
2999 struct wpa_driver_nl80211_data *drv = bss->drv;
3000
3001 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3002 return;
3003
3004 /*
3005 * Looks like we failed to unmask 11b rates previously. This could
3006 * happen, e.g., if the interface was down at the point in time when a
3007 * P2P group was terminated.
3008 */
3009 wpa_printf(MSG_DEBUG,
3010 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3011 bss->ifname);
3012 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3013 }
3014
3015
3016 static int wpa_driver_nl80211_authenticate(
3017 struct i802_bss *bss, struct wpa_driver_auth_params *params)
3018 {
3019 struct wpa_driver_nl80211_data *drv = bss->drv;
3020 int ret = -1, i;
3021 struct nl_msg *msg;
3022 enum nl80211_auth_type type;
3023 enum nl80211_iftype nlmode;
3024 int count = 0;
3025 int is_retry;
3026
3027 nl80211_unmask_11b_rates(bss);
3028
3029 is_retry = drv->retry_auth;
3030 drv->retry_auth = 0;
3031 drv->ignore_deauth_event = 0;
3032
3033 nl80211_mark_disconnected(drv);
3034 os_memset(drv->auth_bssid, 0, ETH_ALEN);
3035 if (params->bssid)
3036 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3037 else
3038 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
3039 /* FIX: IBSS mode */
3040 nlmode = params->p2p ?
3041 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3042 if (drv->nlmode != nlmode &&
3043 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
3044 return -1;
3045
3046 retry:
3047 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3048 drv->ifindex);
3049
3050 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3051 if (!msg)
3052 goto fail;
3053
3054 for (i = 0; i < 4; i++) {
3055 if (!params->wep_key[i])
3056 continue;
3057 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
3058 NULL, i,
3059 i == params->wep_tx_keyidx, NULL, 0,
3060 params->wep_key[i],
3061 params->wep_key_len[i]);
3062 if (params->wep_tx_keyidx != i)
3063 continue;
3064 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
3065 params->wep_key[i], params->wep_key_len[i]))
3066 goto fail;
3067 }
3068
3069 if (params->bssid) {
3070 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3071 MAC2STR(params->bssid));
3072 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3073 goto fail;
3074 }
3075 if (params->freq) {
3076 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
3077 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3078 goto fail;
3079 }
3080 if (params->ssid) {
3081 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
3082 params->ssid, params->ssid_len);
3083 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3084 params->ssid))
3085 goto fail;
3086 }
3087 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
3088 if (params->ie &&
3089 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3090 goto fail;
3091 if (params->sae_data) {
3092 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
3093 params->sae_data_len);
3094 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
3095 params->sae_data))
3096 goto fail;
3097 }
3098 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
3099 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
3100 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
3101 type = NL80211_AUTHTYPE_SHARED_KEY;
3102 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
3103 type = NL80211_AUTHTYPE_NETWORK_EAP;
3104 else if (params->auth_alg & WPA_AUTH_ALG_FT)
3105 type = NL80211_AUTHTYPE_FT;
3106 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
3107 type = NL80211_AUTHTYPE_SAE;
3108 else
3109 goto fail;
3110 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3111 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
3112 goto fail;
3113 if (params->local_state_change) {
3114 wpa_printf(MSG_DEBUG, " * Local state change only");
3115 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3116 goto fail;
3117 }
3118
3119 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3120 msg = NULL;
3121 if (ret) {
3122 wpa_dbg(drv->ctx, MSG_DEBUG,
3123 "nl80211: MLME command failed (auth): ret=%d (%s)",
3124 ret, strerror(-ret));
3125 count++;
3126 if (ret == -EALREADY && count == 1 && params->bssid &&
3127 !params->local_state_change) {
3128 /*
3129 * mac80211 does not currently accept new
3130 * authentication if we are already authenticated. As a
3131 * workaround, force deauthentication and try again.
3132 */
3133 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3134 "after forced deauthentication");
3135 drv->ignore_deauth_event = 1;
3136 wpa_driver_nl80211_deauthenticate(
3137 bss, params->bssid,
3138 WLAN_REASON_PREV_AUTH_NOT_VALID);
3139 nlmsg_free(msg);
3140 goto retry;
3141 }
3142
3143 if (ret == -ENOENT && params->freq && !is_retry) {
3144 /*
3145 * cfg80211 has likely expired the BSS entry even
3146 * though it was previously available in our internal
3147 * BSS table. To recover quickly, start a single
3148 * channel scan on the specified channel.
3149 */
3150 struct wpa_driver_scan_params scan;
3151 int freqs[2];
3152
3153 os_memset(&scan, 0, sizeof(scan));
3154 scan.num_ssids = 1;
3155 if (params->ssid) {
3156 scan.ssids[0].ssid = params->ssid;
3157 scan.ssids[0].ssid_len = params->ssid_len;
3158 }
3159 freqs[0] = params->freq;
3160 freqs[1] = 0;
3161 scan.freqs = freqs;
3162 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3163 "channel scan to refresh cfg80211 BSS "
3164 "entry");
3165 ret = wpa_driver_nl80211_scan(bss, &scan);
3166 if (ret == 0) {
3167 nl80211_copy_auth_params(drv, params);
3168 drv->scan_for_auth = 1;
3169 }
3170 } else if (is_retry) {
3171 /*
3172 * Need to indicate this with an event since the return
3173 * value from the retry is not delivered to core code.
3174 */
3175 union wpa_event_data event;
3176 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3177 "failed");
3178 os_memset(&event, 0, sizeof(event));
3179 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3180 ETH_ALEN);
3181 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3182 &event);
3183 }
3184 } else {
3185 wpa_printf(MSG_DEBUG,
3186 "nl80211: Authentication request send successfully");
3187 }
3188
3189 fail:
3190 nlmsg_free(msg);
3191 return ret;
3192 }
3193
3194
3195 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
3196 {
3197 struct wpa_driver_auth_params params;
3198 struct i802_bss *bss = drv->first_bss;
3199 int i;
3200
3201 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3202
3203 os_memset(&params, 0, sizeof(params));
3204 params.freq = drv->auth_freq;
3205 params.auth_alg = drv->auth_alg;
3206 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3207 params.local_state_change = drv->auth_local_state_change;
3208 params.p2p = drv->auth_p2p;
3209
3210 if (!is_zero_ether_addr(drv->auth_bssid_))
3211 params.bssid = drv->auth_bssid_;
3212
3213 if (drv->auth_ssid_len) {
3214 params.ssid = drv->auth_ssid;
3215 params.ssid_len = drv->auth_ssid_len;
3216 }
3217
3218 params.ie = drv->auth_ie;
3219 params.ie_len = drv->auth_ie_len;
3220
3221 for (i = 0; i < 4; i++) {
3222 if (drv->auth_wep_key_len[i]) {
3223 params.wep_key[i] = drv->auth_wep_key[i];
3224 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3225 }
3226 }
3227
3228 drv->retry_auth = 1;
3229 return wpa_driver_nl80211_authenticate(bss, &params);
3230 }
3231
3232
3233 static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3234 const void *data, size_t len,
3235 int encrypt, int noack,
3236 unsigned int freq, int no_cck,
3237 int offchanok, unsigned int wait_time,
3238 const u16 *csa_offs,
3239 size_t csa_offs_len)
3240 {
3241 struct wpa_driver_nl80211_data *drv = bss->drv;
3242 u64 cookie;
3243 int res;
3244
3245 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3246 freq = nl80211_get_assoc_freq(drv);
3247 wpa_printf(MSG_DEBUG,
3248 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3249 freq);
3250 }
3251 if (freq == 0) {
3252 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3253 bss->freq);
3254 freq = bss->freq;
3255 }
3256
3257 if (drv->use_monitor) {
3258 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3259 freq, bss->freq);
3260 return nl80211_send_monitor(drv, data, len, encrypt, noack);
3261 }
3262
3263 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
3264 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
3265 &cookie, no_cck, noack, offchanok,
3266 csa_offs, csa_offs_len);
3267 if (res == 0 && !noack) {
3268 const struct ieee80211_mgmt *mgmt;
3269 u16 fc;
3270
3271 mgmt = (const struct ieee80211_mgmt *) data;
3272 fc = le_to_host16(mgmt->frame_control);
3273 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3274 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3275 wpa_printf(MSG_MSGDUMP,
3276 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3277 (long long unsigned int)
3278 drv->send_action_cookie,
3279 (long long unsigned int) cookie);
3280 drv->send_action_cookie = cookie;
3281 }
3282 }
3283
3284 return res;
3285 }
3286
3287
3288 static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3289 size_t data_len, int noack,
3290 unsigned int freq, int no_cck,
3291 int offchanok,
3292 unsigned int wait_time,
3293 const u16 *csa_offs,
3294 size_t csa_offs_len)
3295 {
3296 struct wpa_driver_nl80211_data *drv = bss->drv;
3297 struct ieee80211_mgmt *mgmt;
3298 int encrypt = 1;
3299 u16 fc;
3300
3301 mgmt = (struct ieee80211_mgmt *) data;
3302 fc = le_to_host16(mgmt->frame_control);
3303 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3304 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3305 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3306 fc, fc2str(fc), drv->nlmode);
3307
3308 if ((is_sta_interface(drv->nlmode) ||
3309 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
3310 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3311 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3312 /*
3313 * The use of last_mgmt_freq is a bit of a hack,
3314 * but it works due to the single-threaded nature
3315 * of wpa_supplicant.
3316 */
3317 if (freq == 0) {
3318 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3319 drv->last_mgmt_freq);
3320 freq = drv->last_mgmt_freq;
3321 }
3322 return nl80211_send_frame_cmd(bss, freq, 0,
3323 data, data_len, NULL, 1, noack,
3324 1, csa_offs, csa_offs_len);
3325 }
3326
3327 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
3328 if (freq == 0) {
3329 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3330 bss->freq);
3331 freq = bss->freq;
3332 }
3333 return nl80211_send_frame_cmd(bss, freq,
3334 (int) freq == bss->freq ? 0 :
3335 wait_time,
3336 data, data_len,
3337 &drv->send_action_cookie,
3338 no_cck, noack, offchanok,
3339 csa_offs, csa_offs_len);
3340 }
3341
3342 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3343 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3344 /*
3345 * Only one of the authentication frame types is encrypted.
3346 * In order for static WEP encryption to work properly (i.e.,
3347 * to not encrypt the frame), we need to tell mac80211 about
3348 * the frames that must not be encrypted.
3349 */
3350 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3351 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
3352 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3353 encrypt = 0;
3354 }
3355
3356 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
3357 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
3358 noack, freq, no_cck, offchanok,
3359 wait_time, csa_offs,
3360 csa_offs_len);
3361 }
3362
3363
3364 static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3365 {
3366 u8 rates[NL80211_MAX_SUPP_RATES];
3367 u8 rates_len = 0;
3368 int i;
3369
3370 if (!basic_rates)
3371 return 0;
3372
3373 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3374 rates[rates_len++] = basic_rates[i] / 5;
3375
3376 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3377 }
3378
3379
3380 static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
3381 int slot, int ht_opmode, int ap_isolate,
3382 const int *basic_rates)
3383 {
3384 struct wpa_driver_nl80211_data *drv = bss->drv;
3385 struct nl_msg *msg;
3386
3387 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
3388 (cts >= 0 &&
3389 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3390 (preamble >= 0 &&
3391 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3392 (slot >= 0 &&
3393 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3394 (ht_opmode >= 0 &&
3395 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3396 (ap_isolate >= 0 &&
3397 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3398 nl80211_put_basic_rates(msg, basic_rates)) {
3399 nlmsg_free(msg);
3400 return -ENOBUFS;
3401 }
3402
3403 return send_and_recv_msgs(drv, msg, NULL, NULL);
3404 }
3405
3406
3407 static int wpa_driver_nl80211_set_acl(void *priv,
3408 struct hostapd_acl_params *params)
3409 {
3410 struct i802_bss *bss = priv;
3411 struct wpa_driver_nl80211_data *drv = bss->drv;
3412 struct nl_msg *msg;
3413 struct nl_msg *acl;
3414 unsigned int i;
3415 int ret;
3416
3417 if (!(drv->capa.max_acl_mac_addrs))
3418 return -ENOTSUP;
3419
3420 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3421 return -ENOTSUP;
3422
3423 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3424 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3425
3426 acl = nlmsg_alloc();
3427 if (!acl)
3428 return -ENOMEM;
3429 for (i = 0; i < params->num_mac_acl; i++) {
3430 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3431 nlmsg_free(acl);
3432 return -ENOMEM;
3433 }
3434 }
3435
3436 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
3437 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3438 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3439 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
3440 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
3441 nlmsg_free(msg);
3442 nlmsg_free(acl);
3443 return -ENOMEM;
3444 }
3445 nlmsg_free(acl);
3446
3447 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3448 if (ret) {
3449 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3450 ret, strerror(-ret));
3451 }
3452
3453 return ret;
3454 }
3455
3456
3457 static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3458 {
3459 if (beacon_int > 0) {
3460 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3461 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3462 beacon_int);
3463 }
3464
3465 return 0;
3466 }
3467
3468
3469 static int wpa_driver_nl80211_set_ap(void *priv,
3470 struct wpa_driver_ap_params *params)
3471 {
3472 struct i802_bss *bss = priv;
3473 struct wpa_driver_nl80211_data *drv = bss->drv;
3474 struct nl_msg *msg;
3475 u8 cmd = NL80211_CMD_NEW_BEACON;
3476 int ret;
3477 int beacon_set;
3478 int num_suites;
3479 int smps_mode;
3480 u32 suites[10], suite;
3481 u32 ver;
3482
3483 beacon_set = params->reenable ? 0 : bss->beacon_set;
3484
3485 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
3486 beacon_set);
3487 if (beacon_set)
3488 cmd = NL80211_CMD_SET_BEACON;
3489
3490 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3491 params->head, params->head_len);
3492 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3493 params->tail, params->tail_len);
3494 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
3495 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
3496 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
3497 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3498 params->ssid, params->ssid_len);
3499 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
3500 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3501 params->head) ||
3502 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3503 params->tail) ||
3504 nl80211_put_beacon_int(msg, params->beacon_int) ||
3505 nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) ||
3506 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3507 goto fail;
3508 if (params->proberesp && params->proberesp_len) {
3509 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3510 params->proberesp, params->proberesp_len);
3511 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3512 params->proberesp))
3513 goto fail;
3514 }
3515 switch (params->hide_ssid) {
3516 case NO_SSID_HIDING:
3517 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
3518 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3519 NL80211_HIDDEN_SSID_NOT_IN_USE))
3520 goto fail;
3521 break;
3522 case HIDDEN_SSID_ZERO_LEN:
3523 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
3524 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3525 NL80211_HIDDEN_SSID_ZERO_LEN))
3526 goto fail;
3527 break;
3528 case HIDDEN_SSID_ZERO_CONTENTS:
3529 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
3530 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3531 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3532 goto fail;
3533 break;
3534 }
3535 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
3536 if (params->privacy &&
3537 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3538 goto fail;
3539 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
3540 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3541 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3542 /* Leave out the attribute */
3543 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3544 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3545 NL80211_AUTHTYPE_SHARED_KEY))
3546 goto fail;
3547 } else {
3548 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3549 NL80211_AUTHTYPE_OPEN_SYSTEM))
3550 goto fail;
3551 }
3552
3553 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
3554 ver = 0;
3555 if (params->wpa_version & WPA_PROTO_WPA)
3556 ver |= NL80211_WPA_VERSION_1;
3557 if (params->wpa_version & WPA_PROTO_RSN)
3558 ver |= NL80211_WPA_VERSION_2;
3559 if (ver &&
3560 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3561 goto fail;
3562
3563 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3564 params->key_mgmt_suites);
3565 num_suites = 0;
3566 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3567 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
3568 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3569 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
3570 if (num_suites &&
3571 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3572 suites))
3573 goto fail;
3574
3575 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
3576 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40) &&
3577 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
3578 goto fail;
3579
3580 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3581 params->pairwise_ciphers);
3582 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3583 suites, ARRAY_SIZE(suites));
3584 if (num_suites &&
3585 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3586 num_suites * sizeof(u32), suites))
3587 goto fail;
3588
3589 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3590 params->group_cipher);
3591 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
3592 if (suite &&
3593 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3594 goto fail;
3595
3596 if (params->ht_opmode != -1) {
3597 switch (params->smps_mode) {
3598 case HT_CAP_INFO_SMPS_DYNAMIC:
3599 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3600 smps_mode = NL80211_SMPS_DYNAMIC;
3601 break;
3602 case HT_CAP_INFO_SMPS_STATIC:
3603 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3604 smps_mode = NL80211_SMPS_STATIC;
3605 break;
3606 default:
3607 /* invalid - fallback to smps off */
3608 case HT_CAP_INFO_SMPS_DISABLED:
3609 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3610 smps_mode = NL80211_SMPS_OFF;
3611 break;
3612 }
3613 if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
3614 goto fail;
3615 }
3616
3617 if (params->beacon_ies) {
3618 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3619 params->beacon_ies);
3620 if (nla_put(msg, NL80211_ATTR_IE,
3621 wpabuf_len(params->beacon_ies),
3622 wpabuf_head(params->beacon_ies)))
3623 goto fail;
3624 }
3625 if (params->proberesp_ies) {
3626 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3627 params->proberesp_ies);
3628 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3629 wpabuf_len(params->proberesp_ies),
3630 wpabuf_head(params->proberesp_ies)))
3631 goto fail;
3632 }
3633 if (params->assocresp_ies) {
3634 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3635 params->assocresp_ies);
3636 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3637 wpabuf_len(params->assocresp_ies),
3638 wpabuf_head(params->assocresp_ies)))
3639 goto fail;
3640 }
3641
3642 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
3643 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3644 params->ap_max_inactivity);
3645 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3646 params->ap_max_inactivity))
3647 goto fail;
3648 }
3649
3650 #ifdef CONFIG_P2P
3651 if (params->p2p_go_ctwindow > 0) {
3652 if (drv->p2p_go_ctwindow_supported) {
3653 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
3654 params->p2p_go_ctwindow);
3655 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
3656 params->p2p_go_ctwindow))
3657 goto fail;
3658 } else {
3659 wpa_printf(MSG_INFO,
3660 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
3661 }
3662 }
3663 #endif /* CONFIG_P2P */
3664
3665 if (params->pbss) {
3666 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
3667 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
3668 goto fail;
3669 }
3670
3671 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3672 if (ret) {
3673 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
3674 ret, strerror(-ret));
3675 } else {
3676 bss->beacon_set = 1;
3677 nl80211_set_bss(bss, params->cts_protect, params->preamble,
3678 params->short_slot_time, params->ht_opmode,
3679 params->isolate, params->basic_rates);
3680 if (beacon_set && params->freq &&
3681 params->freq->bandwidth != bss->bandwidth) {
3682 wpa_printf(MSG_DEBUG,
3683 "nl80211: Update BSS %s bandwidth: %d -> %d",
3684 bss->ifname, bss->bandwidth,
3685 params->freq->bandwidth);
3686 ret = nl80211_set_channel(bss, params->freq, 1);
3687 if (ret) {
3688 wpa_printf(MSG_DEBUG,
3689 "nl80211: Frequency set failed: %d (%s)",
3690 ret, strerror(-ret));
3691 } else {
3692 wpa_printf(MSG_DEBUG,
3693 "nl80211: Frequency set succeeded for ht2040 coex");
3694 bss->bandwidth = params->freq->bandwidth;
3695 }
3696 } else if (!beacon_set) {
3697 /*
3698 * cfg80211 updates the driver on frequence change in AP
3699 * mode only at the point when beaconing is started, so
3700 * set the initial value here.
3701 */
3702 bss->bandwidth = params->freq->bandwidth;
3703 }
3704 }
3705 return ret;
3706 fail:
3707 nlmsg_free(msg);
3708 return -ENOBUFS;
3709 }
3710
3711
3712 static int nl80211_put_freq_params(struct nl_msg *msg,
3713 const struct hostapd_freq_params *freq)
3714 {
3715 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
3716 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
3717 return -ENOBUFS;
3718
3719 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
3720 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
3721
3722 if (freq->vht_enabled) {
3723 enum nl80211_chan_width cw;
3724
3725 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
3726 switch (freq->bandwidth) {
3727 case 20:
3728 cw = NL80211_CHAN_WIDTH_20;
3729 break;
3730 case 40:
3731 cw = NL80211_CHAN_WIDTH_40;
3732 break;
3733 case 80:
3734 if (freq->center_freq2)
3735 cw = NL80211_CHAN_WIDTH_80P80;
3736 else
3737 cw = NL80211_CHAN_WIDTH_80;
3738 break;
3739 case 160:
3740 cw = NL80211_CHAN_WIDTH_160;
3741 break;
3742 default:
3743 return -EINVAL;
3744 }
3745
3746 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
3747 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
3748 freq->center_freq1);
3749 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
3750 freq->center_freq2);
3751 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
3752 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
3753 freq->center_freq1) ||
3754 (freq->center_freq2 &&
3755 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
3756 freq->center_freq2)))
3757 return -ENOBUFS;
3758 } else if (freq->ht_enabled) {
3759 enum nl80211_channel_type ct;
3760
3761 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
3762 freq->sec_channel_offset);
3763 switch (freq->sec_channel_offset) {
3764 case -1:
3765 ct = NL80211_CHAN_HT40MINUS;
3766 break;
3767 case 1:
3768 ct = NL80211_CHAN_HT40PLUS;
3769 break;
3770 default:
3771 ct = NL80211_CHAN_HT20;
3772 break;
3773 }
3774
3775 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
3776 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
3777 return -ENOBUFS;
3778 }
3779 return 0;
3780 }
3781
3782
3783 static int nl80211_set_channel(struct i802_bss *bss,
3784 struct hostapd_freq_params *freq, int set_chan)
3785 {
3786 struct wpa_driver_nl80211_data *drv = bss->drv;
3787 struct nl_msg *msg;
3788 int ret;
3789
3790 wpa_printf(MSG_DEBUG,
3791 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3792 freq->freq, freq->ht_enabled, freq->vht_enabled,
3793 freq->bandwidth, freq->center_freq1, freq->center_freq2);
3794
3795 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
3796 NL80211_CMD_SET_WIPHY);
3797 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
3798 nlmsg_free(msg);
3799 return -1;
3800 }
3801
3802 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3803 if (ret == 0) {
3804 bss->freq = freq->freq;
3805 return 0;
3806 }
3807 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
3808 "%d (%s)", freq->freq, ret, strerror(-ret));
3809 return -1;
3810 }
3811
3812
3813 static u32 sta_flags_nl80211(int flags)
3814 {
3815 u32 f = 0;
3816
3817 if (flags & WPA_STA_AUTHORIZED)
3818 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
3819 if (flags & WPA_STA_WMM)
3820 f |= BIT(NL80211_STA_FLAG_WME);
3821 if (flags & WPA_STA_SHORT_PREAMBLE)
3822 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
3823 if (flags & WPA_STA_MFP)
3824 f |= BIT(NL80211_STA_FLAG_MFP);
3825 if (flags & WPA_STA_TDLS_PEER)
3826 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
3827 if (flags & WPA_STA_AUTHENTICATED)
3828 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
3829 if (flags & WPA_STA_ASSOCIATED)
3830 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
3831
3832 return f;
3833 }
3834
3835
3836 #ifdef CONFIG_MESH
3837 static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
3838 {
3839 switch (state) {
3840 case PLINK_LISTEN:
3841 return NL80211_PLINK_LISTEN;
3842 case PLINK_OPEN_SENT:
3843 return NL80211_PLINK_OPN_SNT;
3844 case PLINK_OPEN_RCVD:
3845 return NL80211_PLINK_OPN_RCVD;
3846 case PLINK_CNF_RCVD:
3847 return NL80211_PLINK_CNF_RCVD;
3848 case PLINK_ESTAB:
3849 return NL80211_PLINK_ESTAB;
3850 case PLINK_HOLDING:
3851 return NL80211_PLINK_HOLDING;
3852 case PLINK_BLOCKED:
3853 return NL80211_PLINK_BLOCKED;
3854 default:
3855 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
3856 state);
3857 }
3858 return -1;
3859 }
3860 #endif /* CONFIG_MESH */
3861
3862
3863 static int wpa_driver_nl80211_sta_add(void *priv,
3864 struct hostapd_sta_add_params *params)
3865 {
3866 struct i802_bss *bss = priv;
3867 struct wpa_driver_nl80211_data *drv = bss->drv;
3868 struct nl_msg *msg;
3869 struct nl80211_sta_flag_update upd;
3870 int ret = -ENOBUFS;
3871
3872 if ((params->flags & WPA_STA_TDLS_PEER) &&
3873 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
3874 return -EOPNOTSUPP;
3875
3876 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
3877 params->set ? "Set" : "Add", MAC2STR(params->addr));
3878 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
3879 NL80211_CMD_NEW_STATION);
3880 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
3881 goto fail;
3882
3883 /*
3884 * Set the below properties only in one of the following cases:
3885 * 1. New station is added, already associated.
3886 * 2. Set WPA_STA_TDLS_PEER station.
3887 * 3. Set an already added unassociated station, if driver supports
3888 * full AP client state. (Set these properties after station became
3889 * associated will be rejected by the driver).
3890 */
3891 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
3892 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
3893 (params->flags & WPA_STA_ASSOCIATED))) {
3894 wpa_hexdump(MSG_DEBUG, " * supported rates",
3895 params->supp_rates, params->supp_rates_len);
3896 wpa_printf(MSG_DEBUG, " * capability=0x%x",
3897 params->capability);
3898 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
3899 params->supp_rates_len, params->supp_rates) ||
3900 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
3901 params->capability))
3902 goto fail;
3903
3904 if (params->ht_capabilities) {
3905 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
3906 (u8 *) params->ht_capabilities,
3907 sizeof(*params->ht_capabilities));
3908 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
3909 sizeof(*params->ht_capabilities),
3910 params->ht_capabilities))
3911 goto fail;
3912 }
3913
3914 if (params->vht_capabilities) {
3915 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
3916 (u8 *) params->vht_capabilities,
3917 sizeof(*params->vht_capabilities));
3918 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
3919 sizeof(*params->vht_capabilities),
3920 params->vht_capabilities))
3921 goto fail;
3922 }
3923
3924 if (params->ext_capab) {
3925 wpa_hexdump(MSG_DEBUG, " * ext_capab",
3926 params->ext_capab, params->ext_capab_len);
3927 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
3928 params->ext_capab_len, params->ext_capab))
3929 goto fail;
3930 }
3931
3932 if (is_ap_interface(drv->nlmode) &&
3933 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
3934 params->support_p2p_ps ?
3935 NL80211_P2P_PS_SUPPORTED :
3936 NL80211_P2P_PS_UNSUPPORTED))
3937 goto fail;
3938 }
3939 if (!params->set) {
3940 if (params->aid) {
3941 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
3942 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
3943 goto fail;
3944 } else {
3945 /*
3946 * cfg80211 validates that AID is non-zero, so we have
3947 * to make this a non-zero value for the TDLS case where
3948 * a dummy STA entry is used for now and for a station
3949 * that is still not associated.
3950 */
3951 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
3952 (params->flags & WPA_STA_TDLS_PEER) ?
3953 "TDLS" : "UNASSOC_STA");
3954 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
3955 goto fail;
3956 }
3957 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
3958 params->listen_interval);
3959 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
3960 params->listen_interval))
3961 goto fail;
3962 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
3963 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
3964 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
3965 goto fail;
3966 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
3967 (params->flags & WPA_STA_ASSOCIATED)) {
3968 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
3969 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
3970 params->listen_interval);
3971 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
3972 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
3973 params->listen_interval))
3974 goto fail;
3975 }
3976
3977 if (params->vht_opmode_enabled) {
3978 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
3979 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
3980 params->vht_opmode))
3981 goto fail;
3982 }
3983
3984 if (params->supp_channels) {
3985 wpa_hexdump(MSG_DEBUG, " * supported channels",
3986 params->supp_channels, params->supp_channels_len);
3987 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
3988 params->supp_channels_len, params->supp_channels))
3989 goto fail;
3990 }
3991
3992 if (params->supp_oper_classes) {
3993 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
3994 params->supp_oper_classes,
3995 params->supp_oper_classes_len);
3996 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
3997 params->supp_oper_classes_len,
3998 params->supp_oper_classes))
3999 goto fail;
4000 }
4001
4002 os_memset(&upd, 0, sizeof(upd));
4003 upd.set = sta_flags_nl80211(params->flags);
4004 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
4005
4006 /*
4007 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4008 * flags, as nl80211 driver moves a new station, by default, into
4009 * associated state.
4010 *
4011 * On the other hand, if the driver supports that feature and the
4012 * station is added in unauthenticated state, set the
4013 * authenticated/associated bits in the mask to prevent moving this
4014 * station to associated state before it is actually associated.
4015 *
4016 * This is irrelevant for mesh mode where the station is added to the
4017 * driver as authenticated already, and ASSOCIATED isn't part of the
4018 * nl80211 API.
4019 */
4020 if (!is_mesh_interface(drv->nlmode)) {
4021 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4022 wpa_printf(MSG_DEBUG,
4023 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4024 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4025 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4026 } else if (!params->set &&
4027 !(params->flags & WPA_STA_TDLS_PEER)) {
4028 if (!(params->flags & WPA_STA_AUTHENTICATED))
4029 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4030 if (!(params->flags & WPA_STA_ASSOCIATED))
4031 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4032 }
4033 }
4034
4035 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4036 upd.set, upd.mask);
4037 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4038 goto fail;
4039
4040 #ifdef CONFIG_MESH
4041 if (params->plink_state &&
4042 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4043 sta_plink_state_nl80211(params->plink_state)))
4044 goto fail;
4045 #endif /* CONFIG_MESH */
4046
4047 if (params->flags & WPA_STA_WMM) {
4048 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4049
4050 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
4051 if (!wme ||
4052 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4053 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4054 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4055 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4056 WMM_QOSINFO_STA_SP_MASK))
4057 goto fail;
4058 nla_nest_end(msg, wme);
4059 }
4060
4061 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4062 msg = NULL;
4063 if (ret)
4064 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4065 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4066 strerror(-ret));
4067 if (ret == -EEXIST)
4068 ret = 0;
4069 fail:
4070 nlmsg_free(msg);
4071 return ret;
4072 }
4073
4074
4075 static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4076 {
4077 #ifdef CONFIG_LIBNL3_ROUTE
4078 struct wpa_driver_nl80211_data *drv = bss->drv;
4079 struct rtnl_neigh *rn;
4080 struct nl_addr *nl_addr;
4081 int err;
4082
4083 rn = rtnl_neigh_alloc();
4084 if (!rn)
4085 return;
4086
4087 rtnl_neigh_set_family(rn, AF_BRIDGE);
4088 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4089 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4090 if (!nl_addr) {
4091 rtnl_neigh_put(rn);
4092 return;
4093 }
4094 rtnl_neigh_set_lladdr(rn, nl_addr);
4095
4096 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4097 if (err < 0) {
4098 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4099 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4100 bss->ifindex, nl_geterror(err));
4101 } else {
4102 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4103 MACSTR, MAC2STR(addr));
4104 }
4105
4106 nl_addr_put(nl_addr);
4107 rtnl_neigh_put(rn);
4108 #endif /* CONFIG_LIBNL3_ROUTE */
4109 }
4110
4111
4112 static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4113 int deauth, u16 reason_code)
4114 {
4115 struct wpa_driver_nl80211_data *drv = bss->drv;
4116 struct nl_msg *msg;
4117 int ret;
4118
4119 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
4120 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4121 (deauth == 0 &&
4122 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4123 WLAN_FC_STYPE_DISASSOC)) ||
4124 (deauth == 1 &&
4125 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4126 WLAN_FC_STYPE_DEAUTH)) ||
4127 (reason_code &&
4128 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4129 nlmsg_free(msg);
4130 return -ENOBUFS;
4131 }
4132
4133 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4134 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4135 " --> %d (%s)",
4136 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
4137
4138 if (drv->rtnl_sk)
4139 rtnl_neigh_delete_fdb_entry(bss, addr);
4140
4141 if (ret == -ENOENT)
4142 return 0;
4143 return ret;
4144 }
4145
4146
4147 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
4148 {
4149 struct nl_msg *msg;
4150 struct wpa_driver_nl80211_data *drv2;
4151
4152 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4153
4154 /* stop listening for EAPOL on this interface */
4155 dl_list_for_each(drv2, &drv->global->interfaces,
4156 struct wpa_driver_nl80211_data, list)
4157 {
4158 del_ifidx(drv2, ifidx, IFIDX_ANY);
4159 /* Remove all bridges learned for this iface */
4160 del_ifidx(drv2, IFIDX_ANY, ifidx);
4161 }
4162
4163 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
4164 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4165 return;
4166 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
4167 }
4168
4169
4170 const char * nl80211_iftype_str(enum nl80211_iftype mode)
4171 {
4172 switch (mode) {
4173 case NL80211_IFTYPE_ADHOC:
4174 return "ADHOC";
4175 case NL80211_IFTYPE_STATION:
4176 return "STATION";
4177 case NL80211_IFTYPE_AP:
4178 return "AP";
4179 case NL80211_IFTYPE_AP_VLAN:
4180 return "AP_VLAN";
4181 case NL80211_IFTYPE_WDS:
4182 return "WDS";
4183 case NL80211_IFTYPE_MONITOR:
4184 return "MONITOR";
4185 case NL80211_IFTYPE_MESH_POINT:
4186 return "MESH_POINT";
4187 case NL80211_IFTYPE_P2P_CLIENT:
4188 return "P2P_CLIENT";
4189 case NL80211_IFTYPE_P2P_GO:
4190 return "P2P_GO";
4191 case NL80211_IFTYPE_P2P_DEVICE:
4192 return "P2P_DEVICE";
4193 default:
4194 return "unknown";
4195 }
4196 }
4197
4198
4199 static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4200 const char *ifname,
4201 enum nl80211_iftype iftype,
4202 const u8 *addr, int wds,
4203 int (*handler)(struct nl_msg *, void *),
4204 void *arg)
4205 {
4206 struct nl_msg *msg;
4207 int ifidx;
4208 int ret = -ENOBUFS;
4209
4210 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4211 iftype, nl80211_iftype_str(iftype));
4212
4213 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4214 if (!msg ||
4215 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4216 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4217 goto fail;
4218
4219 if (iftype == NL80211_IFTYPE_MONITOR) {
4220 struct nlattr *flags;
4221
4222 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
4223 if (!flags ||
4224 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4225 goto fail;
4226
4227 nla_nest_end(msg, flags);
4228 } else if (wds) {
4229 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4230 goto fail;
4231 }
4232
4233 /*
4234 * Tell cfg80211 that the interface belongs to the socket that created
4235 * it, and the interface should be deleted when the socket is closed.
4236 */
4237 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4238 goto fail;
4239
4240 ret = send_and_recv_msgs(drv, msg, handler, arg);
4241 msg = NULL;
4242 if (ret) {
4243 fail:
4244 nlmsg_free(msg);
4245 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4246 ifname, ret, strerror(-ret));
4247 return ret;
4248 }
4249
4250 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
4251 return 0;
4252
4253 ifidx = if_nametoindex(ifname);
4254 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4255 ifname, ifidx);
4256
4257 if (ifidx <= 0)
4258 return -1;
4259
4260 /*
4261 * Some virtual interfaces need to process EAPOL packets and events on
4262 * the parent interface. This is used mainly with hostapd.
4263 */
4264 if (drv->hostapd ||
4265 iftype == NL80211_IFTYPE_AP_VLAN ||
4266 iftype == NL80211_IFTYPE_WDS ||
4267 iftype == NL80211_IFTYPE_MONITOR) {
4268 /* start listening for EAPOL on this interface */
4269 add_ifidx(drv, ifidx, IFIDX_ANY);
4270 }
4271
4272 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4273 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
4274 nl80211_remove_iface(drv, ifidx);
4275 return -1;
4276 }
4277
4278 return ifidx;
4279 }
4280
4281
4282 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4283 const char *ifname, enum nl80211_iftype iftype,
4284 const u8 *addr, int wds,
4285 int (*handler)(struct nl_msg *, void *),
4286 void *arg, int use_existing)
4287 {
4288 int ret;
4289
4290 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4291 arg);
4292
4293 /* if error occurred and interface exists already */
4294 if (ret == -ENFILE && if_nametoindex(ifname)) {
4295 if (use_existing) {
4296 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4297 ifname);
4298 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4299 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4300 addr) < 0 &&
4301 (linux_set_iface_flags(drv->global->ioctl_sock,
4302 ifname, 0) < 0 ||
4303 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4304 addr) < 0 ||
4305 linux_set_iface_flags(drv->global->ioctl_sock,
4306 ifname, 1) < 0))
4307 return -1;
4308 return -ENFILE;
4309 }
4310 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4311
4312 /* Try to remove the interface that was already there. */
4313 nl80211_remove_iface(drv, if_nametoindex(ifname));
4314
4315 /* Try to create the interface again */
4316 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
4317 wds, handler, arg);
4318 }
4319
4320 if (ret >= 0 && is_p2p_net_interface(iftype)) {
4321 wpa_printf(MSG_DEBUG,
4322 "nl80211: Interface %s created for P2P - disable 11b rates",
4323 ifname);
4324 nl80211_disable_11b_rates(drv, ret, 1);
4325 }
4326
4327 return ret;
4328 }
4329
4330
4331 static int nl80211_setup_ap(struct i802_bss *bss)
4332 {
4333 struct wpa_driver_nl80211_data *drv = bss->drv;
4334
4335 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4336 bss->ifname, drv->device_ap_sme, drv->use_monitor);
4337
4338 /*
4339 * Disable Probe Request reporting unless we need it in this way for
4340 * devices that include the AP SME, in the other case (unless using
4341 * monitor iface) we'll get it through the nl_mgmt socket instead.
4342 */
4343 if (!drv->device_ap_sme)
4344 wpa_driver_nl80211_probe_req_report(bss, 0);
4345
4346 if (!drv->device_ap_sme && !drv->use_monitor)
4347 if (nl80211_mgmt_subscribe_ap(bss))
4348 return -1;
4349
4350 if (drv->device_ap_sme && !drv->use_monitor)
4351 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
4352 wpa_printf(MSG_DEBUG,
4353 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
4354
4355 if (!drv->device_ap_sme && drv->use_monitor &&
4356 nl80211_create_monitor_interface(drv) &&
4357 !drv->device_ap_sme)
4358 return -1;
4359
4360 if (drv->device_ap_sme &&
4361 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
4362 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
4363 "Probe Request frame reporting in AP mode");
4364 /* Try to survive without this */
4365 }
4366
4367 return 0;
4368 }
4369
4370
4371 static void nl80211_teardown_ap(struct i802_bss *bss)
4372 {
4373 struct wpa_driver_nl80211_data *drv = bss->drv;
4374
4375 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
4376 bss->ifname, drv->device_ap_sme, drv->use_monitor);
4377 if (drv->device_ap_sme) {
4378 wpa_driver_nl80211_probe_req_report(bss, 0);
4379 if (!drv->use_monitor)
4380 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
4381 } else if (drv->use_monitor)
4382 nl80211_remove_monitor_interface(drv);
4383 else
4384 nl80211_mgmt_unsubscribe(bss, "AP teardown");
4385
4386 bss->beacon_set = 0;
4387 }
4388
4389
4390 static int nl80211_send_eapol_data(struct i802_bss *bss,
4391 const u8 *addr, const u8 *data,
4392 size_t data_len)
4393 {
4394 struct sockaddr_ll ll;
4395 int ret;
4396
4397 if (bss->drv->eapol_tx_sock < 0) {
4398 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
4399 return -1;
4400 }
4401
4402 os_memset(&ll, 0, sizeof(ll));
4403 ll.sll_family = AF_PACKET;
4404 ll.sll_ifindex = bss->ifindex;
4405 ll.sll_protocol = htons(ETH_P_PAE);
4406 ll.sll_halen = ETH_ALEN;
4407 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
4408 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
4409 (struct sockaddr *) &ll, sizeof(ll));
4410 if (ret < 0)
4411 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
4412 strerror(errno));
4413
4414 return ret;
4415 }
4416
4417
4418 static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4419
4420 static int wpa_driver_nl80211_hapd_send_eapol(
4421 void *priv, const u8 *addr, const u8 *data,
4422 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
4423 {
4424 struct i802_bss *bss = priv;
4425 struct wpa_driver_nl80211_data *drv = bss->drv;
4426 struct ieee80211_hdr *hdr;
4427 size_t len;
4428 u8 *pos;
4429 int res;
4430 int qos = flags & WPA_STA_WMM;
4431
4432 if (drv->device_ap_sme || !drv->use_monitor)
4433 return nl80211_send_eapol_data(bss, addr, data, data_len);
4434
4435 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4436 data_len;
4437 hdr = os_zalloc(len);
4438 if (hdr == NULL) {
4439 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4440 (unsigned long) len);
4441 return -1;
4442 }
4443
4444 hdr->frame_control =
4445 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4446 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4447 if (encrypt)
4448 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
4449 if (qos) {
4450 hdr->frame_control |=
4451 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4452 }
4453
4454 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4455 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4456 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4457 pos = (u8 *) (hdr + 1);
4458
4459 if (qos) {
4460 /* Set highest priority in QoS header */
4461 pos[0] = 7;
4462 pos[1] = 0;
4463 pos += 2;
4464 }
4465
4466 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4467 pos += sizeof(rfc1042_header);
4468 WPA_PUT_BE16(pos, ETH_P_PAE);
4469 pos += 2;
4470 memcpy(pos, data, data_len);
4471
4472 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
4473 0, 0, 0, 0, NULL, 0);
4474 if (res < 0) {
4475 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4476 "failed: %d (%s)",
4477 (unsigned long) len, errno, strerror(errno));
4478 }
4479 os_free(hdr);
4480
4481 return res;
4482 }
4483
4484
4485 static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
4486 unsigned int total_flags,
4487 unsigned int flags_or,
4488 unsigned int flags_and)
4489 {
4490 struct i802_bss *bss = priv;
4491 struct nl_msg *msg;
4492 struct nlattr *flags;
4493 struct nl80211_sta_flag_update upd;
4494
4495 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4496 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4497 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4498 !!(total_flags & WPA_STA_AUTHORIZED));
4499
4500 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
4501 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4502 goto fail;
4503
4504 /*
4505 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4506 * can be removed eventually.
4507 */
4508 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
4509 if (!flags ||
4510 ((total_flags & WPA_STA_AUTHORIZED) &&
4511 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4512 ((total_flags & WPA_STA_WMM) &&
4513 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4514 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4515 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4516 ((total_flags & WPA_STA_MFP) &&
4517 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4518 ((total_flags & WPA_STA_TDLS_PEER) &&
4519 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4520 goto fail;
4521
4522 nla_nest_end(msg, flags);
4523
4524 os_memset(&upd, 0, sizeof(upd));
4525 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4526 upd.set = sta_flags_nl80211(flags_or);
4527 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4528 goto fail;
4529
4530 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
4531 fail:
4532 nlmsg_free(msg);
4533 return -ENOBUFS;
4534 }
4535
4536
4537 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4538 struct wpa_driver_associate_params *params)
4539 {
4540 enum nl80211_iftype nlmode, old_mode;
4541
4542 if (params->p2p) {
4543 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4544 "group (GO)");
4545 nlmode = NL80211_IFTYPE_P2P_GO;
4546 } else
4547 nlmode = NL80211_IFTYPE_AP;
4548
4549 old_mode = drv->nlmode;
4550 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
4551 nl80211_remove_monitor_interface(drv);
4552 return -1;
4553 }
4554
4555 if (params->freq.freq &&
4556 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
4557 if (old_mode != nlmode)
4558 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
4559 nl80211_remove_monitor_interface(drv);
4560 return -1;
4561 }
4562
4563 return 0;
4564 }
4565
4566
4567 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4568 int reset_mode)
4569 {
4570 struct nl_msg *msg;
4571 int ret;
4572
4573 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
4574 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4575 if (ret) {
4576 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4577 "(%s)", ret, strerror(-ret));
4578 } else {
4579 wpa_printf(MSG_DEBUG,
4580 "nl80211: Leave IBSS request sent successfully");
4581 }
4582
4583 if (reset_mode &&
4584 wpa_driver_nl80211_set_mode(drv->first_bss,
4585 NL80211_IFTYPE_STATION)) {
4586 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4587 "station mode");
4588 }
4589
4590 return ret;
4591 }
4592
4593
4594 static int nl80211_ht_vht_overrides(struct nl_msg *msg,
4595 struct wpa_driver_associate_params *params)
4596 {
4597 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4598 return -1;
4599
4600 if (params->htcaps && params->htcaps_mask) {
4601 int sz = sizeof(struct ieee80211_ht_capabilities);
4602 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
4603 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4604 params->htcaps_mask, sz);
4605 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4606 params->htcaps) ||
4607 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4608 params->htcaps_mask))
4609 return -1;
4610 }
4611
4612 #ifdef CONFIG_VHT_OVERRIDES
4613 if (params->disable_vht) {
4614 wpa_printf(MSG_DEBUG, " * VHT disabled");
4615 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4616 return -1;
4617 }
4618
4619 if (params->vhtcaps && params->vhtcaps_mask) {
4620 int sz = sizeof(struct ieee80211_vht_capabilities);
4621 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
4622 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
4623 params->vhtcaps_mask, sz);
4624 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
4625 params->vhtcaps) ||
4626 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
4627 params->vhtcaps_mask))
4628 return -1;
4629 }
4630 #endif /* CONFIG_VHT_OVERRIDES */
4631
4632 return 0;
4633 }
4634
4635
4636 static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
4637 struct wpa_driver_associate_params *params)
4638 {
4639 struct nl_msg *msg;
4640 int ret = -1;
4641 int count = 0;
4642
4643 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
4644
4645 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
4646 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4647 "IBSS mode");
4648 return -1;
4649 }
4650
4651 retry:
4652 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
4653 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
4654 goto fail;
4655
4656 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4657 params->ssid, params->ssid_len);
4658 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4659 goto fail;
4660 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4661 drv->ssid_len = params->ssid_len;
4662
4663 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
4664 nl80211_put_beacon_int(msg, params->beacon_int))
4665 goto fail;
4666
4667 ret = nl80211_set_conn_keys(params, msg);
4668 if (ret)
4669 goto fail;
4670
4671 if (params->bssid && params->fixed_bssid) {
4672 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
4673 MAC2STR(params->bssid));
4674 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4675 goto fail;
4676 }
4677
4678 if (params->fixed_freq) {
4679 wpa_printf(MSG_DEBUG, " * fixed_freq");
4680 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
4681 goto fail;
4682 }
4683
4684 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4685 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4686 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4687 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
4688 wpa_printf(MSG_DEBUG, " * control port");
4689 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4690 goto fail;
4691 }
4692
4693 if (params->wpa_ie) {
4694 wpa_hexdump(MSG_DEBUG,
4695 " * Extra IEs for Beacon/Probe Response frames",
4696 params->wpa_ie, params->wpa_ie_len);
4697 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
4698 params->wpa_ie))
4699 goto fail;
4700 }
4701
4702 ret = nl80211_ht_vht_overrides(msg, params);
4703 if (ret < 0)
4704 goto fail;
4705
4706 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4707 msg = NULL;
4708 if (ret) {
4709 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
4710 ret, strerror(-ret));
4711 count++;
4712 if (ret == -EALREADY && count == 1) {
4713 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
4714 "forced leave");
4715 nl80211_leave_ibss(drv, 0);
4716 nlmsg_free(msg);
4717 goto retry;
4718 }
4719 } else {
4720 wpa_printf(MSG_DEBUG,
4721 "nl80211: Join IBSS request sent successfully");
4722 }
4723
4724 fail:
4725 nlmsg_free(msg);
4726 return ret;
4727 }
4728
4729
4730 static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
4731 struct wpa_driver_associate_params *params,
4732 struct nl_msg *msg)
4733 {
4734 if (params->bssid) {
4735 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4736 MAC2STR(params->bssid));
4737 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4738 return -1;
4739 }
4740
4741 if (params->bssid_hint) {
4742 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
4743 MAC2STR(params->bssid_hint));
4744 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
4745 params->bssid_hint))
4746 return -1;
4747 }
4748
4749 if (params->freq.freq) {
4750 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
4751 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
4752 params->freq.freq))
4753 return -1;
4754 drv->assoc_freq = params->freq.freq;
4755 } else
4756 drv->assoc_freq = 0;
4757
4758 if (params->freq_hint) {
4759 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
4760 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
4761 params->freq_hint))
4762 return -1;
4763 }
4764
4765 if (params->bg_scan_period >= 0) {
4766 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
4767 params->bg_scan_period);
4768 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
4769 params->bg_scan_period))
4770 return -1;
4771 }
4772
4773 if (params->ssid) {
4774 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4775 params->ssid, params->ssid_len);
4776 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4777 params->ssid))
4778 return -1;
4779 if (params->ssid_len > sizeof(drv->ssid))
4780 return -1;
4781 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4782 drv->ssid_len = params->ssid_len;
4783 }
4784
4785 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
4786 if (params->wpa_ie &&
4787 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
4788 return -1;
4789
4790 if (params->wpa_proto) {
4791 enum nl80211_wpa_versions ver = 0;
4792
4793 if (params->wpa_proto & WPA_PROTO_WPA)
4794 ver |= NL80211_WPA_VERSION_1;
4795 if (params->wpa_proto & WPA_PROTO_RSN)
4796 ver |= NL80211_WPA_VERSION_2;
4797
4798 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
4799 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4800 return -1;
4801 }
4802
4803 if (params->pairwise_suite != WPA_CIPHER_NONE) {
4804 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
4805 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
4806 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4807 cipher))
4808 return -1;
4809 }
4810
4811 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
4812 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
4813 /*
4814 * This is likely to work even though many drivers do not
4815 * advertise support for operations without GTK.
4816 */
4817 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4818 } else if (params->group_suite != WPA_CIPHER_NONE) {
4819 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
4820 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
4821 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
4822 return -1;
4823 }
4824
4825 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4826 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4827 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
4828 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
4829 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
4830 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
4831 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4832 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4833 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
4834 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
4835 int mgmt = WLAN_AKM_SUITE_PSK;
4836
4837 switch (params->key_mgmt_suite) {
4838 case WPA_KEY_MGMT_CCKM:
4839 mgmt = WLAN_AKM_SUITE_CCKM;
4840 break;
4841 case WPA_KEY_MGMT_IEEE8021X:
4842 mgmt = WLAN_AKM_SUITE_8021X;
4843 break;
4844 case WPA_KEY_MGMT_FT_IEEE8021X:
4845 mgmt = WLAN_AKM_SUITE_FT_8021X;
4846 break;
4847 case WPA_KEY_MGMT_FT_PSK:
4848 mgmt = WLAN_AKM_SUITE_FT_PSK;
4849 break;
4850 case WPA_KEY_MGMT_IEEE8021X_SHA256:
4851 mgmt = WLAN_AKM_SUITE_8021X_SHA256;
4852 break;
4853 case WPA_KEY_MGMT_PSK_SHA256:
4854 mgmt = WLAN_AKM_SUITE_PSK_SHA256;
4855 break;
4856 case WPA_KEY_MGMT_OSEN:
4857 mgmt = WLAN_AKM_SUITE_OSEN;
4858 break;
4859 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
4860 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
4861 break;
4862 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
4863 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B_192;
4864 break;
4865 case WPA_KEY_MGMT_PSK:
4866 default:
4867 mgmt = WLAN_AKM_SUITE_PSK;
4868 break;
4869 }
4870 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
4871 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
4872 return -1;
4873 }
4874
4875 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4876 return -1;
4877
4878 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
4879 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
4880 return -1;
4881
4882 if (params->rrm_used) {
4883 u32 drv_rrm_flags = drv->capa.rrm_flags;
4884 if ((!((drv_rrm_flags &
4885 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
4886 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
4887 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
4888 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
4889 return -1;
4890 }
4891
4892 if (nl80211_ht_vht_overrides(msg, params) < 0)
4893 return -1;
4894
4895 if (params->p2p)
4896 wpa_printf(MSG_DEBUG, " * P2P group");
4897
4898 if (params->pbss) {
4899 wpa_printf(MSG_DEBUG, " * PBSS");
4900 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4901 return -1;
4902 }
4903
4904 drv->connect_reassoc = 0;
4905 if (params->prev_bssid) {
4906 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
4907 MAC2STR(params->prev_bssid));
4908 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
4909 params->prev_bssid))
4910 return -1;
4911 drv->connect_reassoc = 1;
4912 }
4913
4914 return 0;
4915 }
4916
4917
4918 static int wpa_driver_nl80211_try_connect(
4919 struct wpa_driver_nl80211_data *drv,
4920 struct wpa_driver_associate_params *params)
4921 {
4922 struct nl_msg *msg;
4923 enum nl80211_auth_type type;
4924 int ret;
4925 int algs;
4926
4927 #ifdef CONFIG_DRIVER_NL80211_QCA
4928 if (params->req_key_mgmt_offload && params->psk &&
4929 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4930 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4931 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
4932 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
4933 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
4934 if (ret)
4935 return ret;
4936 }
4937 #endif /* CONFIG_DRIVER_NL80211_QCA */
4938
4939 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
4940 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
4941 if (!msg)
4942 return -1;
4943
4944 ret = nl80211_connect_common(drv, params, msg);
4945 if (ret)
4946 goto fail;
4947
4948 algs = 0;
4949 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4950 algs++;
4951 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4952 algs++;
4953 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4954 algs++;
4955 if (algs > 1) {
4956 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
4957 "selection");
4958 goto skip_auth_type;
4959 }
4960
4961 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4962 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
4963 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4964 type = NL80211_AUTHTYPE_SHARED_KEY;
4965 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4966 type = NL80211_AUTHTYPE_NETWORK_EAP;
4967 else if (params->auth_alg & WPA_AUTH_ALG_FT)
4968 type = NL80211_AUTHTYPE_FT;
4969 else
4970 goto fail;
4971
4972 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
4973 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
4974 goto fail;
4975
4976 skip_auth_type:
4977 ret = nl80211_set_conn_keys(params, msg);
4978 if (ret)
4979 goto fail;
4980
4981 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4982 msg = NULL;
4983 if (ret) {
4984 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
4985 "(%s)", ret, strerror(-ret));
4986 } else {
4987 wpa_printf(MSG_DEBUG,
4988 "nl80211: Connect request send successfully");
4989 }
4990
4991 fail:
4992 nlmsg_free(msg);
4993 return ret;
4994
4995 }
4996
4997
4998 static int wpa_driver_nl80211_connect(
4999 struct wpa_driver_nl80211_data *drv,
5000 struct wpa_driver_associate_params *params)
5001 {
5002 int ret;
5003
5004 /* Store the connection attempted bssid for future use */
5005 if (params->bssid)
5006 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5007 else
5008 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5009
5010 ret = wpa_driver_nl80211_try_connect(drv, params);
5011 if (ret == -EALREADY) {
5012 /*
5013 * cfg80211 does not currently accept new connections if
5014 * we are already connected. As a workaround, force
5015 * disconnection and try again.
5016 */
5017 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5018 "disconnecting before reassociation "
5019 "attempt");
5020 if (wpa_driver_nl80211_disconnect(
5021 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
5022 return -1;
5023 ret = wpa_driver_nl80211_try_connect(drv, params);
5024 }
5025 return ret;
5026 }
5027
5028
5029 static int wpa_driver_nl80211_associate(
5030 void *priv, struct wpa_driver_associate_params *params)
5031 {
5032 struct i802_bss *bss = priv;
5033 struct wpa_driver_nl80211_data *drv = bss->drv;
5034 int ret = -1;
5035 struct nl_msg *msg;
5036
5037 nl80211_unmask_11b_rates(bss);
5038
5039 if (params->mode == IEEE80211_MODE_AP)
5040 return wpa_driver_nl80211_ap(drv, params);
5041
5042 if (params->mode == IEEE80211_MODE_IBSS)
5043 return wpa_driver_nl80211_ibss(drv, params);
5044
5045 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
5046 enum nl80211_iftype nlmode = params->p2p ?
5047 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5048
5049 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
5050 return -1;
5051 return wpa_driver_nl80211_connect(drv, params);
5052 }
5053
5054 nl80211_mark_disconnected(drv);
5055
5056 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
5057 drv->ifindex);
5058 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
5059 if (!msg)
5060 return -1;
5061
5062 ret = nl80211_connect_common(drv, params, msg);
5063 if (ret)
5064 goto fail;
5065
5066 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5067 msg = NULL;
5068 if (ret) {
5069 wpa_dbg(drv->ctx, MSG_DEBUG,
5070 "nl80211: MLME command failed (assoc): ret=%d (%s)",
5071 ret, strerror(-ret));
5072 nl80211_dump_scan(drv);
5073 } else {
5074 wpa_printf(MSG_DEBUG,
5075 "nl80211: Association request send successfully");
5076 }
5077
5078 fail:
5079 nlmsg_free(msg);
5080 return ret;
5081 }
5082
5083
5084 static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
5085 int ifindex, enum nl80211_iftype mode)
5086 {
5087 struct nl_msg *msg;
5088 int ret = -ENOBUFS;
5089
5090 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
5091 ifindex, mode, nl80211_iftype_str(mode));
5092
5093 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
5094 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
5095 goto fail;
5096
5097 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5098 msg = NULL;
5099 if (!ret)
5100 return 0;
5101 fail:
5102 nlmsg_free(msg);
5103 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
5104 " %d (%s)", ifindex, mode, ret, strerror(-ret));
5105 return ret;
5106 }
5107
5108
5109 static int wpa_driver_nl80211_set_mode_impl(
5110 struct i802_bss *bss,
5111 enum nl80211_iftype nlmode,
5112 struct hostapd_freq_params *desired_freq_params)
5113 {
5114 struct wpa_driver_nl80211_data *drv = bss->drv;
5115 int ret = -1;
5116 int i;
5117 int was_ap = is_ap_interface(drv->nlmode);
5118 int res;
5119 int mode_switch_res;
5120
5121 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5122 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
5123 mode_switch_res = 0;
5124
5125 if (mode_switch_res == 0) {
5126 drv->nlmode = nlmode;
5127 ret = 0;
5128 goto done;
5129 }
5130
5131 if (mode_switch_res == -ENODEV)
5132 return -1;
5133
5134 if (nlmode == drv->nlmode) {
5135 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
5136 "requested mode - ignore error");
5137 ret = 0;
5138 goto done; /* Already in the requested mode */
5139 }
5140
5141 /* mac80211 doesn't allow mode changes while the device is up, so
5142 * take the device down, try to set the mode again, and bring the
5143 * device back up.
5144 */
5145 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
5146 "interface down");
5147 for (i = 0; i < 10; i++) {
5148 res = i802_set_iface_flags(bss, 0);
5149 if (res == -EACCES || res == -ENODEV)
5150 break;
5151 if (res != 0) {
5152 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
5153 "interface down");
5154 os_sleep(0, 100000);
5155 continue;
5156 }
5157
5158 /*
5159 * Setting the mode will fail for some drivers if the phy is
5160 * on a frequency that the mode is disallowed in.
5161 */
5162 if (desired_freq_params) {
5163 res = nl80211_set_channel(bss, desired_freq_params, 0);
5164 if (res) {
5165 wpa_printf(MSG_DEBUG,
5166 "nl80211: Failed to set frequency on interface");
5167 }
5168 }
5169
5170 /* Try to set the mode again while the interface is down */
5171 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5172 if (mode_switch_res == -EBUSY) {
5173 wpa_printf(MSG_DEBUG,
5174 "nl80211: Delaying mode set while interface going down");
5175 os_sleep(0, 100000);
5176 continue;
5177 }
5178 ret = mode_switch_res;
5179 break;
5180 }
5181
5182 if (!ret) {
5183 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
5184 "interface is down");
5185 drv->nlmode = nlmode;
5186 drv->ignore_if_down_event = 1;
5187 }
5188
5189 /* Bring the interface back up */
5190 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
5191 if (res != 0) {
5192 wpa_printf(MSG_DEBUG,
5193 "nl80211: Failed to set interface up after switching mode");
5194 ret = -1;
5195 }
5196
5197 done:
5198 if (ret) {
5199 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
5200 "from %d failed", nlmode, drv->nlmode);
5201 return ret;
5202 }
5203
5204 if (is_p2p_net_interface(nlmode)) {
5205 wpa_printf(MSG_DEBUG,
5206 "nl80211: Interface %s mode change to P2P - disable 11b rates",
5207 bss->ifname);
5208 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
5209 } else if (drv->disabled_11b_rates) {
5210 wpa_printf(MSG_DEBUG,
5211 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
5212 bss->ifname);
5213 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
5214 }
5215
5216 if (is_ap_interface(nlmode)) {
5217 nl80211_mgmt_unsubscribe(bss, "start AP");
5218 /* Setup additional AP mode functionality if needed */
5219 if (nl80211_setup_ap(bss))
5220 return -1;
5221 } else if (was_ap) {
5222 /* Remove additional AP mode functionality */
5223 nl80211_teardown_ap(bss);
5224 } else {
5225 nl80211_mgmt_unsubscribe(bss, "mode change");
5226 }
5227
5228 if (is_mesh_interface(nlmode) &&
5229 nl80211_mgmt_subscribe_mesh(bss))
5230 return -1;
5231
5232 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
5233 !is_mesh_interface(nlmode) &&
5234 nl80211_mgmt_subscribe_non_ap(bss) < 0)
5235 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
5236 "frame processing - ignore for now");
5237
5238 return 0;
5239 }
5240
5241
5242 int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
5243 enum nl80211_iftype nlmode)
5244 {
5245 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
5246 }
5247
5248
5249 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
5250 struct hostapd_freq_params *freq)
5251 {
5252 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
5253 freq);
5254 }
5255
5256
5257 static int wpa_driver_nl80211_get_capa(void *priv,
5258 struct wpa_driver_capa *capa)
5259 {
5260 struct i802_bss *bss = priv;
5261 struct wpa_driver_nl80211_data *drv = bss->drv;
5262
5263 if (!drv->has_capability)
5264 return -1;
5265 os_memcpy(capa, &drv->capa, sizeof(*capa));
5266 if (drv->extended_capa && drv->extended_capa_mask) {
5267 capa->extended_capa = drv->extended_capa;
5268 capa->extended_capa_mask = drv->extended_capa_mask;
5269 capa->extended_capa_len = drv->extended_capa_len;
5270 }
5271
5272 return 0;
5273 }
5274
5275
5276 static int wpa_driver_nl80211_set_operstate(void *priv, int state)
5277 {
5278 struct i802_bss *bss = priv;
5279 struct wpa_driver_nl80211_data *drv = bss->drv;
5280
5281 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
5282 bss->ifname, drv->operstate, state,
5283 state ? "UP" : "DORMANT");
5284 drv->operstate = state;
5285 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
5286 state ? IF_OPER_UP : IF_OPER_DORMANT);
5287 }
5288
5289
5290 static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
5291 {
5292 struct i802_bss *bss = priv;
5293 struct wpa_driver_nl80211_data *drv = bss->drv;
5294 struct nl_msg *msg;
5295 struct nl80211_sta_flag_update upd;
5296 int ret;
5297
5298 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
5299 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
5300 return 0;
5301 }
5302
5303 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
5304 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
5305
5306 os_memset(&upd, 0, sizeof(upd));
5307 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
5308 if (authorized)
5309 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
5310
5311 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5312 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
5313 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
5314 nlmsg_free(msg);
5315 return -ENOBUFS;
5316 }
5317
5318 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5319 if (!ret)
5320 return 0;
5321 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
5322 ret, strerror(-ret));
5323 return ret;
5324 }
5325
5326
5327 /* Set kernel driver on given frequency (MHz) */
5328 static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
5329 {
5330 struct i802_bss *bss = priv;
5331 return nl80211_set_channel(bss, freq, 0);
5332 }
5333
5334
5335 static inline int min_int(int a, int b)
5336 {
5337 if (a < b)
5338 return a;
5339 return b;
5340 }
5341
5342
5343 static int get_key_handler(struct nl_msg *msg, void *arg)
5344 {
5345 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5346 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5347
5348 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5349 genlmsg_attrlen(gnlh, 0), NULL);
5350
5351 /*
5352 * TODO: validate the key index and mac address!
5353 * Otherwise, there's a race condition as soon as
5354 * the kernel starts sending key notifications.
5355 */
5356
5357 if (tb[NL80211_ATTR_KEY_SEQ])
5358 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
5359 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
5360 return NL_SKIP;
5361 }
5362
5363
5364 static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
5365 int idx, u8 *seq)
5366 {
5367 struct i802_bss *bss = priv;
5368 struct wpa_driver_nl80211_data *drv = bss->drv;
5369 struct nl_msg *msg;
5370
5371 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
5372 NL80211_CMD_GET_KEY);
5373 if (!msg ||
5374 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
5375 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
5376 nlmsg_free(msg);
5377 return -ENOBUFS;
5378 }
5379
5380 memset(seq, 0, 6);
5381
5382 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
5383 }
5384
5385
5386 static int i802_set_rts(void *priv, int rts)
5387 {
5388 struct i802_bss *bss = priv;
5389 struct wpa_driver_nl80211_data *drv = bss->drv;
5390 struct nl_msg *msg;
5391 int ret;
5392 u32 val;
5393
5394 if (rts >= 2347)
5395 val = (u32) -1;
5396 else
5397 val = rts;
5398
5399 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
5400 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
5401 nlmsg_free(msg);
5402 return -ENOBUFS;
5403 }
5404
5405 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5406 if (!ret)
5407 return 0;
5408 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
5409 "%d (%s)", rts, ret, strerror(-ret));
5410 return ret;
5411 }
5412
5413
5414 static int i802_set_frag(void *priv, int frag)
5415 {
5416 struct i802_bss *bss = priv;
5417 struct wpa_driver_nl80211_data *drv = bss->drv;
5418 struct nl_msg *msg;
5419 int ret;
5420 u32 val;
5421
5422 if (frag >= 2346)
5423 val = (u32) -1;
5424 else
5425 val = frag;
5426
5427 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
5428 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
5429 nlmsg_free(msg);
5430 return -ENOBUFS;
5431 }
5432
5433 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5434 if (!ret)
5435 return 0;
5436 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
5437 "%d: %d (%s)", frag, ret, strerror(-ret));
5438 return ret;
5439 }
5440
5441
5442 static int i802_flush(void *priv)
5443 {
5444 struct i802_bss *bss = priv;
5445 struct nl_msg *msg;
5446 int res;
5447
5448 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5449 bss->ifname);
5450
5451 /*
5452 * XXX: FIX! this needs to flush all VLANs too
5453 */
5454 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5455 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5456 if (res) {
5457 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5458 "(%s)", res, strerror(-res));
5459 }
5460 return res;
5461 }
5462
5463
5464 static int get_sta_handler(struct nl_msg *msg, void *arg)
5465 {
5466 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5467 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5468 struct hostap_sta_driver_data *data = arg;
5469 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5470 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5471 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5472 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5473 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5474 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5475 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
5476 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
5477 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
5478 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
5479 };
5480
5481 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5482 genlmsg_attrlen(gnlh, 0), NULL);
5483
5484 /*
5485 * TODO: validate the interface and mac address!
5486 * Otherwise, there's a race condition as soon as
5487 * the kernel starts sending station notifications.
5488 */
5489
5490 if (!tb[NL80211_ATTR_STA_INFO]) {
5491 wpa_printf(MSG_DEBUG, "sta stats missing!");
5492 return NL_SKIP;
5493 }
5494 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5495 tb[NL80211_ATTR_STA_INFO],
5496 stats_policy)) {
5497 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5498 return NL_SKIP;
5499 }
5500
5501 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5502 data->inactive_msec =
5503 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
5504 /* For backwards compatibility, fetch the 32-bit counters first. */
5505 if (stats[NL80211_STA_INFO_RX_BYTES])
5506 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5507 if (stats[NL80211_STA_INFO_TX_BYTES])
5508 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
5509 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
5510 stats[NL80211_STA_INFO_TX_BYTES64]) {
5511 /*
5512 * The driver supports 64-bit counters, so use them to override
5513 * the 32-bit values.
5514 */
5515 data->rx_bytes =
5516 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
5517 data->tx_bytes =
5518 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
5519 data->bytes_64bit = 1;
5520 }
5521 if (stats[NL80211_STA_INFO_RX_PACKETS])
5522 data->rx_packets =
5523 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5524 if (stats[NL80211_STA_INFO_TX_PACKETS])
5525 data->tx_packets =
5526 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
5527 if (stats[NL80211_STA_INFO_TX_FAILED])
5528 data->tx_retry_failed =
5529 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
5530
5531 return NL_SKIP;
5532 }
5533
5534 static int i802_read_sta_data(struct i802_bss *bss,
5535 struct hostap_sta_driver_data *data,
5536 const u8 *addr)
5537 {
5538 struct nl_msg *msg;
5539
5540 os_memset(data, 0, sizeof(*data));
5541
5542 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
5543 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
5544 nlmsg_free(msg);
5545 return -ENOBUFS;
5546 }
5547
5548 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
5549 }
5550
5551
5552 static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
5553 int cw_min, int cw_max, int burst_time)
5554 {
5555 struct i802_bss *bss = priv;
5556 struct wpa_driver_nl80211_data *drv = bss->drv;
5557 struct nl_msg *msg;
5558 struct nlattr *txq, *params;
5559
5560 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
5561 if (!msg)
5562 return -1;
5563
5564 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
5565 if (!txq)
5566 goto fail;
5567
5568 /* We are only sending parameters for a single TXQ at a time */
5569 params = nla_nest_start(msg, 1);
5570 if (!params)
5571 goto fail;
5572
5573 switch (queue) {
5574 case 0:
5575 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
5576 goto fail;
5577 break;
5578 case 1:
5579 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
5580 goto fail;
5581 break;
5582 case 2:
5583 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
5584 goto fail;
5585 break;
5586 case 3:
5587 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
5588 goto fail;
5589 break;
5590 }
5591 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5592 * 32 usec, so need to convert the value here. */
5593 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
5594 (burst_time * 100 + 16) / 32) ||
5595 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
5596 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
5597 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
5598 goto fail;
5599
5600 nla_nest_end(msg, params);
5601
5602 nla_nest_end(msg, txq);
5603
5604 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5605 return 0;
5606 msg = NULL;
5607 fail:
5608 nlmsg_free(msg);
5609 return -1;
5610 }
5611
5612
5613 static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
5614 const char *ifname, int vlan_id)
5615 {
5616 struct wpa_driver_nl80211_data *drv = bss->drv;
5617 struct nl_msg *msg;
5618 int ret;
5619
5620 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5621 ", ifname=%s[%d], vlan_id=%d)",
5622 bss->ifname, if_nametoindex(bss->ifname),
5623 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
5624 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5625 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5626 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
5627 nlmsg_free(msg);
5628 return -ENOBUFS;
5629 }
5630
5631 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5632 if (ret < 0) {
5633 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5634 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
5635 MAC2STR(addr), ifname, vlan_id, ret,
5636 strerror(-ret));
5637 }
5638 return ret;
5639 }
5640
5641
5642 static int i802_get_inact_sec(void *priv, const u8 *addr)
5643 {
5644 struct hostap_sta_driver_data data;
5645 int ret;
5646
5647 data.inactive_msec = (unsigned long) -1;
5648 ret = i802_read_sta_data(priv, &data, addr);
5649 if (ret == -ENOENT)
5650 return -ENOENT;
5651 if (ret || data.inactive_msec == (unsigned long) -1)
5652 return -1;
5653 return data.inactive_msec / 1000;
5654 }
5655
5656
5657 static int i802_sta_clear_stats(void *priv, const u8 *addr)
5658 {
5659 #if 0
5660 /* TODO */
5661 #endif
5662 return 0;
5663 }
5664
5665
5666 static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
5667 int reason)
5668 {
5669 struct i802_bss *bss = priv;
5670 struct wpa_driver_nl80211_data *drv = bss->drv;
5671 struct ieee80211_mgmt mgmt;
5672
5673 if (is_mesh_interface(drv->nlmode))
5674 return -1;
5675
5676 if (drv->device_ap_sme)
5677 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
5678
5679 memset(&mgmt, 0, sizeof(mgmt));
5680 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5681 WLAN_FC_STYPE_DEAUTH);
5682 memcpy(mgmt.da, addr, ETH_ALEN);
5683 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5684 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5685 mgmt.u.deauth.reason_code = host_to_le16(reason);
5686 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5687 IEEE80211_HDRLEN +
5688 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
5689 0, NULL, 0);
5690 }
5691
5692
5693 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
5694 int reason)
5695 {
5696 struct i802_bss *bss = priv;
5697 struct wpa_driver_nl80211_data *drv = bss->drv;
5698 struct ieee80211_mgmt mgmt;
5699
5700 if (is_mesh_interface(drv->nlmode))
5701 return -1;
5702
5703 if (drv->device_ap_sme)
5704 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
5705
5706 memset(&mgmt, 0, sizeof(mgmt));
5707 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5708 WLAN_FC_STYPE_DISASSOC);
5709 memcpy(mgmt.da, addr, ETH_ALEN);
5710 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5711 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5712 mgmt.u.disassoc.reason_code = host_to_le16(reason);
5713 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5714 IEEE80211_HDRLEN +
5715 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
5716 0, NULL, 0);
5717 }
5718
5719
5720 static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
5721 {
5722 char buf[200], *pos, *end;
5723 int i, res;
5724
5725 pos = buf;
5726 end = pos + sizeof(buf);
5727
5728 for (i = 0; i < drv->num_if_indices; i++) {
5729 if (!drv->if_indices[i])
5730 continue;
5731 res = os_snprintf(pos, end - pos, " %d(%d)",
5732 drv->if_indices[i],
5733 drv->if_indices_reason[i]);
5734 if (os_snprintf_error(end - pos, res))
5735 break;
5736 pos += res;
5737 }
5738 *pos = '\0';
5739
5740 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
5741 drv->num_if_indices, buf);
5742 }
5743
5744
5745 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
5746 int ifidx_reason)
5747 {
5748 int i;
5749 int *old, *old_reason;
5750
5751 wpa_printf(MSG_DEBUG,
5752 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
5753 ifidx, ifidx_reason);
5754 if (have_ifidx(drv, ifidx, ifidx_reason)) {
5755 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
5756 ifidx);
5757 return;
5758 }
5759 for (i = 0; i < drv->num_if_indices; i++) {
5760 if (drv->if_indices[i] == 0) {
5761 drv->if_indices[i] = ifidx;
5762 drv->if_indices_reason[i] = ifidx_reason;
5763 dump_ifidx(drv);
5764 return;
5765 }
5766 }
5767
5768 if (drv->if_indices != drv->default_if_indices)
5769 old = drv->if_indices;
5770 else
5771 old = NULL;
5772
5773 if (drv->if_indices_reason != drv->default_if_indices_reason)
5774 old_reason = drv->if_indices_reason;
5775 else
5776 old_reason = NULL;
5777
5778 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
5779 sizeof(int));
5780 drv->if_indices_reason = os_realloc_array(old_reason,
5781 drv->num_if_indices + 1,
5782 sizeof(int));
5783 if (!drv->if_indices) {
5784 if (!old)
5785 drv->if_indices = drv->default_if_indices;
5786 else
5787 drv->if_indices = old;
5788 }
5789 if (!drv->if_indices_reason) {
5790 if (!old_reason)
5791 drv->if_indices_reason = drv->default_if_indices_reason;
5792 else
5793 drv->if_indices_reason = old_reason;
5794 }
5795 if (!drv->if_indices || !drv->if_indices_reason) {
5796 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
5797 "interfaces");
5798 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
5799 return;
5800 }
5801 if (!old)
5802 os_memcpy(drv->if_indices, drv->default_if_indices,
5803 sizeof(drv->default_if_indices));
5804 if (!old_reason)
5805 os_memcpy(drv->if_indices_reason,
5806 drv->default_if_indices_reason,
5807 sizeof(drv->default_if_indices_reason));
5808 drv->if_indices[drv->num_if_indices] = ifidx;
5809 drv->if_indices_reason[drv->num_if_indices] = ifidx_reason;
5810 drv->num_if_indices++;
5811 dump_ifidx(drv);
5812 }
5813
5814
5815 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
5816 int ifidx_reason)
5817 {
5818 int i;
5819
5820 for (i = 0; i < drv->num_if_indices; i++) {
5821 if ((drv->if_indices[i] == ifidx || ifidx == IFIDX_ANY) &&
5822 (drv->if_indices_reason[i] == ifidx_reason ||
5823 ifidx_reason == IFIDX_ANY)) {
5824 drv->if_indices[i] = 0;
5825 break;
5826 }
5827 }
5828 dump_ifidx(drv);
5829 }
5830
5831
5832 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
5833 int ifidx_reason)
5834 {
5835 int i;
5836
5837 for (i = 0; i < drv->num_if_indices; i++)
5838 if (drv->if_indices[i] == ifidx &&
5839 (drv->if_indices_reason[i] == ifidx_reason ||
5840 ifidx_reason == IFIDX_ANY))
5841 return 1;
5842
5843 return 0;
5844 }
5845
5846
5847 static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
5848 const char *bridge_ifname, char *ifname_wds)
5849 {
5850 struct i802_bss *bss = priv;
5851 struct wpa_driver_nl80211_data *drv = bss->drv;
5852 char name[IFNAMSIZ + 1];
5853
5854 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
5855 if (ifname_wds)
5856 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
5857
5858 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
5859 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
5860 if (val) {
5861 if (!if_nametoindex(name)) {
5862 if (nl80211_create_iface(drv, name,
5863 NL80211_IFTYPE_AP_VLAN,
5864 bss->addr, 1, NULL, NULL, 0) <
5865 0)
5866 return -1;
5867 if (bridge_ifname &&
5868 linux_br_add_if(drv->global->ioctl_sock,
5869 bridge_ifname, name) < 0)
5870 return -1;
5871 }
5872 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
5873 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
5874 "interface %s up", name);
5875 }
5876 return i802_set_sta_vlan(priv, addr, name, 0);
5877 } else {
5878 if (bridge_ifname)
5879 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
5880 name);
5881
5882 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
5883 nl80211_remove_iface(drv, if_nametoindex(name));
5884 return 0;
5885 }
5886 }
5887
5888
5889 static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
5890 {
5891 struct wpa_driver_nl80211_data *drv = eloop_ctx;
5892 struct sockaddr_ll lladdr;
5893 unsigned char buf[3000];
5894 int len;
5895 socklen_t fromlen = sizeof(lladdr);
5896
5897 len = recvfrom(sock, buf, sizeof(buf), 0,
5898 (struct sockaddr *)&lladdr, &fromlen);
5899 if (len < 0) {
5900 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
5901 strerror(errno));
5902 return;
5903 }
5904
5905 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
5906 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
5907 }
5908
5909
5910 static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
5911 struct i802_bss *bss,
5912 const char *brname, const char *ifname)
5913 {
5914 int br_ifindex;
5915 char in_br[IFNAMSIZ];
5916
5917 os_strlcpy(bss->brname, brname, IFNAMSIZ);
5918 br_ifindex = if_nametoindex(brname);
5919 if (br_ifindex == 0) {
5920 /*
5921 * Bridge was configured, but the bridge device does
5922 * not exist. Try to add it now.
5923 */
5924 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
5925 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
5926 "bridge interface %s: %s",
5927 brname, strerror(errno));
5928 return -1;
5929 }
5930 bss->added_bridge = 1;
5931 br_ifindex = if_nametoindex(brname);
5932 add_ifidx(drv, br_ifindex, drv->ifindex);
5933 }
5934 bss->br_ifindex = br_ifindex;
5935
5936 if (linux_br_get(in_br, ifname) == 0) {
5937 if (os_strcmp(in_br, brname) == 0)
5938 return 0; /* already in the bridge */
5939
5940 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
5941 "bridge %s", ifname, in_br);
5942 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
5943 0) {
5944 wpa_printf(MSG_ERROR, "nl80211: Failed to "
5945 "remove interface %s from bridge "
5946 "%s: %s",
5947 ifname, brname, strerror(errno));
5948 return -1;
5949 }
5950 }
5951
5952 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
5953 ifname, brname);
5954 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
5955 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
5956 "into bridge %s: %s",
5957 ifname, brname, strerror(errno));
5958 return -1;
5959 }
5960 bss->added_if_into_bridge = 1;
5961
5962 return 0;
5963 }
5964
5965
5966 static void *i802_init(struct hostapd_data *hapd,
5967 struct wpa_init_params *params)
5968 {
5969 struct wpa_driver_nl80211_data *drv;
5970 struct i802_bss *bss;
5971 size_t i;
5972 char master_ifname[IFNAMSIZ];
5973 int ifindex, br_ifindex = 0;
5974 int br_added = 0;
5975
5976 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
5977 params->global_priv, 1,
5978 params->bssid, params->driver_params);
5979 if (bss == NULL)
5980 return NULL;
5981
5982 drv = bss->drv;
5983
5984 if (linux_br_get(master_ifname, params->ifname) == 0) {
5985 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
5986 params->ifname, master_ifname);
5987 br_ifindex = if_nametoindex(master_ifname);
5988 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
5989 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
5990 linux_master_get(master_ifname, params->ifname) == 0) {
5991 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
5992 params->ifname, master_ifname);
5993 /* start listening for EAPOL on the master interface */
5994 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
5995
5996 /* check if master itself is under bridge */
5997 if (linux_br_get(master_ifname, master_ifname) == 0) {
5998 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
5999 master_ifname);
6000 br_ifindex = if_nametoindex(master_ifname);
6001 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6002 }
6003 } else {
6004 master_ifname[0] = '\0';
6005 }
6006
6007 bss->br_ifindex = br_ifindex;
6008
6009 for (i = 0; i < params->num_bridge; i++) {
6010 if (params->bridge[i]) {
6011 ifindex = if_nametoindex(params->bridge[i]);
6012 if (ifindex)
6013 add_ifidx(drv, ifindex, drv->ifindex);
6014 if (ifindex == br_ifindex)
6015 br_added = 1;
6016 }
6017 }
6018
6019 /* start listening for EAPOL on the default AP interface */
6020 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
6021
6022 if (params->num_bridge && params->bridge[0]) {
6023 if (i802_check_bridge(drv, bss, params->bridge[0],
6024 params->ifname) < 0)
6025 goto failed;
6026 if (os_strcmp(params->bridge[0], master_ifname) != 0)
6027 br_added = 1;
6028 }
6029
6030 if (!br_added && br_ifindex &&
6031 (params->num_bridge == 0 || !params->bridge[0]))
6032 add_ifidx(drv, br_ifindex, drv->ifindex);
6033
6034 #ifdef CONFIG_LIBNL3_ROUTE
6035 if (bss->added_if_into_bridge) {
6036 drv->rtnl_sk = nl_socket_alloc();
6037 if (drv->rtnl_sk == NULL) {
6038 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
6039 goto failed;
6040 }
6041
6042 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
6043 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
6044 strerror(errno));
6045 goto failed;
6046 }
6047 }
6048 #endif /* CONFIG_LIBNL3_ROUTE */
6049
6050 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
6051 if (drv->eapol_sock < 0) {
6052 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
6053 strerror(errno));
6054 goto failed;
6055 }
6056
6057 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
6058 {
6059 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
6060 goto failed;
6061 }
6062
6063 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
6064 params->own_addr))
6065 goto failed;
6066 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
6067
6068 memcpy(bss->addr, params->own_addr, ETH_ALEN);
6069
6070 return bss;
6071
6072 failed:
6073 wpa_driver_nl80211_deinit(bss);
6074 return NULL;
6075 }
6076
6077
6078 static void i802_deinit(void *priv)
6079 {
6080 struct i802_bss *bss = priv;
6081 wpa_driver_nl80211_deinit(bss);
6082 }
6083
6084
6085 static enum nl80211_iftype wpa_driver_nl80211_if_type(
6086 enum wpa_driver_if_type type)
6087 {
6088 switch (type) {
6089 case WPA_IF_STATION:
6090 return NL80211_IFTYPE_STATION;
6091 case WPA_IF_P2P_CLIENT:
6092 case WPA_IF_P2P_GROUP:
6093 return NL80211_IFTYPE_P2P_CLIENT;
6094 case WPA_IF_AP_VLAN:
6095 return NL80211_IFTYPE_AP_VLAN;
6096 case WPA_IF_AP_BSS:
6097 return NL80211_IFTYPE_AP;
6098 case WPA_IF_P2P_GO:
6099 return NL80211_IFTYPE_P2P_GO;
6100 case WPA_IF_P2P_DEVICE:
6101 return NL80211_IFTYPE_P2P_DEVICE;
6102 case WPA_IF_MESH:
6103 return NL80211_IFTYPE_MESH_POINT;
6104 default:
6105 return -1;
6106 }
6107 }
6108
6109
6110 static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
6111 {
6112 struct wpa_driver_nl80211_data *drv;
6113 dl_list_for_each(drv, &global->interfaces,
6114 struct wpa_driver_nl80211_data, list) {
6115 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
6116 return 1;
6117 }
6118 return 0;
6119 }
6120
6121
6122 static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
6123 {
6124 unsigned int idx;
6125
6126 if (!drv->global)
6127 return -1;
6128
6129 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
6130 for (idx = 0; idx < 64; idx++) {
6131 new_addr[0] = drv->first_bss->addr[0] | 0x02;
6132 new_addr[0] ^= idx << 2;
6133 if (!nl80211_addr_in_use(drv->global, new_addr))
6134 break;
6135 }
6136 if (idx == 64)
6137 return -1;
6138
6139 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
6140 MACSTR, MAC2STR(new_addr));
6141
6142 return 0;
6143 }
6144
6145
6146 struct wdev_info {
6147 u64 wdev_id;
6148 int wdev_id_set;
6149 u8 macaddr[ETH_ALEN];
6150 };
6151
6152 static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
6153 {
6154 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6155 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6156 struct wdev_info *wi = arg;
6157
6158 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6159 genlmsg_attrlen(gnlh, 0), NULL);
6160 if (tb[NL80211_ATTR_WDEV]) {
6161 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
6162 wi->wdev_id_set = 1;
6163 }
6164
6165 if (tb[NL80211_ATTR_MAC])
6166 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
6167 ETH_ALEN);
6168
6169 return NL_SKIP;
6170 }
6171
6172
6173 static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
6174 const char *ifname, const u8 *addr,
6175 void *bss_ctx, void **drv_priv,
6176 char *force_ifname, u8 *if_addr,
6177 const char *bridge, int use_existing,
6178 int setup_ap)
6179 {
6180 enum nl80211_iftype nlmode;
6181 struct i802_bss *bss = priv;
6182 struct wpa_driver_nl80211_data *drv = bss->drv;
6183 int ifidx;
6184 int added = 1;
6185
6186 if (addr)
6187 os_memcpy(if_addr, addr, ETH_ALEN);
6188 nlmode = wpa_driver_nl80211_if_type(type);
6189 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
6190 struct wdev_info p2pdev_info;
6191
6192 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
6193 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
6194 0, nl80211_wdev_handler,
6195 &p2pdev_info, use_existing);
6196 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
6197 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
6198 ifname);
6199 return -1;
6200 }
6201
6202 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
6203 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
6204 if (!is_zero_ether_addr(p2pdev_info.macaddr))
6205 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
6206 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
6207 ifname,
6208 (long long unsigned int) p2pdev_info.wdev_id);
6209 } else {
6210 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
6211 0, NULL, NULL, use_existing);
6212 if (use_existing && ifidx == -ENFILE) {
6213 added = 0;
6214 ifidx = if_nametoindex(ifname);
6215 } else if (ifidx < 0) {
6216 return -1;
6217 }
6218 }
6219
6220 if (!addr) {
6221 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
6222 os_memcpy(if_addr, bss->addr, ETH_ALEN);
6223 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
6224 ifname, if_addr) < 0) {
6225 if (added)
6226 nl80211_remove_iface(drv, ifidx);
6227 return -1;
6228 }
6229 }
6230
6231 if (!addr &&
6232 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
6233 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
6234 type == WPA_IF_STATION)) {
6235 /* Enforce unique address */
6236 u8 new_addr[ETH_ALEN];
6237
6238 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
6239 new_addr) < 0) {
6240 if (added)
6241 nl80211_remove_iface(drv, ifidx);
6242 return -1;
6243 }
6244 if (nl80211_addr_in_use(drv->global, new_addr)) {
6245 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
6246 "for interface %s type %d", ifname, type);
6247 if (nl80211_vif_addr(drv, new_addr) < 0) {
6248 if (added)
6249 nl80211_remove_iface(drv, ifidx);
6250 return -1;
6251 }
6252 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
6253 new_addr) < 0) {
6254 if (added)
6255 nl80211_remove_iface(drv, ifidx);
6256 return -1;
6257 }
6258 }
6259 os_memcpy(if_addr, new_addr, ETH_ALEN);
6260 }
6261
6262 if (type == WPA_IF_AP_BSS && setup_ap) {
6263 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
6264 if (new_bss == NULL) {
6265 if (added)
6266 nl80211_remove_iface(drv, ifidx);
6267 return -1;
6268 }
6269
6270 if (bridge &&
6271 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
6272 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
6273 "interface %s to a bridge %s",
6274 ifname, bridge);
6275 if (added)
6276 nl80211_remove_iface(drv, ifidx);
6277 os_free(new_bss);
6278 return -1;
6279 }
6280
6281 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
6282 {
6283 if (added)
6284 nl80211_remove_iface(drv, ifidx);
6285 os_free(new_bss);
6286 return -1;
6287 }
6288 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
6289 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
6290 new_bss->ifindex = ifidx;
6291 new_bss->drv = drv;
6292 new_bss->next = drv->first_bss->next;
6293 new_bss->freq = drv->first_bss->freq;
6294 new_bss->ctx = bss_ctx;
6295 new_bss->added_if = added;
6296 drv->first_bss->next = new_bss;
6297 if (drv_priv)
6298 *drv_priv = new_bss;
6299 nl80211_init_bss(new_bss);
6300
6301 /* Subscribe management frames for this WPA_IF_AP_BSS */
6302 if (nl80211_setup_ap(new_bss))
6303 return -1;
6304 }
6305
6306 if (drv->global)
6307 drv->global->if_add_ifindex = ifidx;
6308
6309 /*
6310 * Some virtual interfaces need to process EAPOL packets and events on
6311 * the parent interface. This is used mainly with hostapd.
6312 */
6313 if (ifidx > 0 &&
6314 (drv->hostapd ||
6315 nlmode == NL80211_IFTYPE_AP_VLAN ||
6316 nlmode == NL80211_IFTYPE_WDS ||
6317 nlmode == NL80211_IFTYPE_MONITOR))
6318 add_ifidx(drv, ifidx, IFIDX_ANY);
6319
6320 return 0;
6321 }
6322
6323
6324 static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
6325 enum wpa_driver_if_type type,
6326 const char *ifname)
6327 {
6328 struct wpa_driver_nl80211_data *drv = bss->drv;
6329 int ifindex = if_nametoindex(ifname);
6330
6331 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
6332 __func__, type, ifname, ifindex, bss->added_if);
6333 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
6334 nl80211_remove_iface(drv, ifindex);
6335 else if (ifindex > 0 && !bss->added_if) {
6336 struct wpa_driver_nl80211_data *drv2;
6337 dl_list_for_each(drv2, &drv->global->interfaces,
6338 struct wpa_driver_nl80211_data, list) {
6339 del_ifidx(drv2, ifindex, IFIDX_ANY);
6340 del_ifidx(drv2, IFIDX_ANY, ifindex);
6341 }
6342 }
6343
6344 if (type != WPA_IF_AP_BSS)
6345 return 0;
6346
6347 if (bss->added_if_into_bridge) {
6348 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
6349 bss->ifname) < 0)
6350 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6351 "interface %s from bridge %s: %s",
6352 bss->ifname, bss->brname, strerror(errno));
6353 }
6354 if (bss->added_bridge) {
6355 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
6356 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6357 "bridge %s: %s",
6358 bss->brname, strerror(errno));
6359 }
6360
6361 if (bss != drv->first_bss) {
6362 struct i802_bss *tbss;
6363
6364 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
6365 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
6366 if (tbss->next == bss) {
6367 tbss->next = bss->next;
6368 /* Unsubscribe management frames */
6369 nl80211_teardown_ap(bss);
6370 nl80211_destroy_bss(bss);
6371 if (!bss->added_if)
6372 i802_set_iface_flags(bss, 0);
6373 os_free(bss);
6374 bss = NULL;
6375 break;
6376 }
6377 }
6378 if (bss)
6379 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
6380 "BSS %p in the list", __func__, bss);
6381 } else {
6382 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
6383 nl80211_teardown_ap(bss);
6384 if (!bss->added_if && !drv->first_bss->next)
6385 wpa_driver_nl80211_del_beacon(drv);
6386 nl80211_destroy_bss(bss);
6387 if (!bss->added_if)
6388 i802_set_iface_flags(bss, 0);
6389 if (drv->first_bss->next) {
6390 drv->first_bss = drv->first_bss->next;
6391 drv->ctx = drv->first_bss->ctx;
6392 os_free(bss);
6393 } else {
6394 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
6395 }
6396 }
6397
6398 return 0;
6399 }
6400
6401
6402 static int cookie_handler(struct nl_msg *msg, void *arg)
6403 {
6404 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6405 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6406 u64 *cookie = arg;
6407 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6408 genlmsg_attrlen(gnlh, 0), NULL);
6409 if (tb[NL80211_ATTR_COOKIE])
6410 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
6411 return NL_SKIP;
6412 }
6413
6414
6415 static int nl80211_send_frame_cmd(struct i802_bss *bss,
6416 unsigned int freq, unsigned int wait,
6417 const u8 *buf, size_t buf_len,
6418 u64 *cookie_out, int no_cck, int no_ack,
6419 int offchanok, const u16 *csa_offs,
6420 size_t csa_offs_len)
6421 {
6422 struct wpa_driver_nl80211_data *drv = bss->drv;
6423 struct nl_msg *msg;
6424 u64 cookie;
6425 int ret = -1;
6426
6427 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
6428 "no_ack=%d offchanok=%d",
6429 freq, wait, no_cck, no_ack, offchanok);
6430 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
6431
6432 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
6433 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
6434 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
6435 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6436 drv->test_use_roc_tx) &&
6437 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
6438 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
6439 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
6440 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
6441 csa_offs_len * sizeof(u16), csa_offs)) ||
6442 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
6443 goto fail;
6444
6445 cookie = 0;
6446 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6447 msg = NULL;
6448 if (ret) {
6449 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
6450 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
6451 freq, wait);
6452 } else {
6453 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
6454 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
6455 (long long unsigned int) cookie);
6456
6457 if (cookie_out)
6458 *cookie_out = no_ack ? (u64) -1 : cookie;
6459
6460 if (drv->num_send_action_cookies == MAX_SEND_ACTION_COOKIES) {
6461 wpa_printf(MSG_DEBUG,
6462 "nl80211: Drop oldest pending send action cookie 0x%llx",
6463 (long long unsigned int)
6464 drv->send_action_cookies[0]);
6465 os_memmove(&drv->send_action_cookies[0],
6466 &drv->send_action_cookies[1],
6467 (MAX_SEND_ACTION_COOKIES - 1) *
6468 sizeof(u64));
6469 drv->num_send_action_cookies--;
6470 }
6471 drv->send_action_cookies[drv->num_send_action_cookies] = cookie;
6472 drv->num_send_action_cookies++;
6473 }
6474
6475 fail:
6476 nlmsg_free(msg);
6477 return ret;
6478 }
6479
6480
6481 static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
6482 unsigned int freq,
6483 unsigned int wait_time,
6484 const u8 *dst, const u8 *src,
6485 const u8 *bssid,
6486 const u8 *data, size_t data_len,
6487 int no_cck)
6488 {
6489 struct wpa_driver_nl80211_data *drv = bss->drv;
6490 int ret = -1;
6491 u8 *buf;
6492 struct ieee80211_hdr *hdr;
6493
6494 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
6495 "freq=%u MHz wait=%d ms no_cck=%d)",
6496 drv->ifindex, freq, wait_time, no_cck);
6497
6498 buf = os_zalloc(24 + data_len);
6499 if (buf == NULL)
6500 return ret;
6501 os_memcpy(buf + 24, data, data_len);
6502 hdr = (struct ieee80211_hdr *) buf;
6503 hdr->frame_control =
6504 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
6505 os_memcpy(hdr->addr1, dst, ETH_ALEN);
6506 os_memcpy(hdr->addr2, src, ETH_ALEN);
6507 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
6508
6509 if (is_ap_interface(drv->nlmode) &&
6510 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6511 (int) freq == bss->freq || drv->device_ap_sme ||
6512 !drv->use_monitor))
6513 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
6514 0, freq, no_cck, 1,
6515 wait_time, NULL, 0);
6516 else
6517 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
6518 24 + data_len,
6519 &drv->send_action_cookie,
6520 no_cck, 0, 1, NULL, 0);
6521
6522 os_free(buf);
6523 return ret;
6524 }
6525
6526
6527 static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
6528 {
6529 struct wpa_driver_nl80211_data *drv = bss->drv;
6530 struct nl_msg *msg;
6531 int ret;
6532
6533 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
6534 (long long unsigned int) cookie);
6535 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
6536 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
6537 nlmsg_free(msg);
6538 return;
6539 }
6540
6541 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6542 if (ret)
6543 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
6544 "(%s)", ret, strerror(-ret));
6545 }
6546
6547
6548 static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
6549 {
6550 struct i802_bss *bss = priv;
6551 struct wpa_driver_nl80211_data *drv = bss->drv;
6552 unsigned int i;
6553 u64 cookie;
6554
6555 /* Cancel the last pending TX cookie */
6556 nl80211_frame_wait_cancel(bss, drv->send_action_cookie);
6557
6558 /*
6559 * Cancel the other pending TX cookies, if any. This is needed since
6560 * the driver may keep a list of all pending offchannel TX operations
6561 * and free up the radio only once they have expired or cancelled.
6562 */
6563 for (i = drv->num_send_action_cookies; i > 0; i--) {
6564 cookie = drv->send_action_cookies[i - 1];
6565 if (cookie != drv->send_action_cookie)
6566 nl80211_frame_wait_cancel(bss, cookie);
6567 }
6568 drv->num_send_action_cookies = 0;
6569 }
6570
6571
6572 static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
6573 unsigned int duration)
6574 {
6575 struct i802_bss *bss = priv;
6576 struct wpa_driver_nl80211_data *drv = bss->drv;
6577 struct nl_msg *msg;
6578 int ret;
6579 u64 cookie;
6580
6581 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
6582 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
6583 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
6584 nlmsg_free(msg);
6585 return -1;
6586 }
6587
6588 cookie = 0;
6589 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6590 if (ret == 0) {
6591 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
6592 "0x%llx for freq=%u MHz duration=%u",
6593 (long long unsigned int) cookie, freq, duration);
6594 drv->remain_on_chan_cookie = cookie;
6595 drv->pending_remain_on_chan = 1;
6596 return 0;
6597 }
6598 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
6599 "(freq=%d duration=%u): %d (%s)",
6600 freq, duration, ret, strerror(-ret));
6601 return -1;
6602 }
6603
6604
6605 static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
6606 {
6607 struct i802_bss *bss = priv;
6608 struct wpa_driver_nl80211_data *drv = bss->drv;
6609 struct nl_msg *msg;
6610 int ret;
6611
6612 if (!drv->pending_remain_on_chan) {
6613 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
6614 "to cancel");
6615 return -1;
6616 }
6617
6618 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
6619 "0x%llx",
6620 (long long unsigned int) drv->remain_on_chan_cookie);
6621
6622 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
6623 if (!msg ||
6624 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
6625 nlmsg_free(msg);
6626 return -1;
6627 }
6628
6629 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6630 if (ret == 0)
6631 return 0;
6632 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
6633 "%d (%s)", ret, strerror(-ret));
6634 return -1;
6635 }
6636
6637
6638 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
6639 {
6640 struct wpa_driver_nl80211_data *drv = bss->drv;
6641
6642 if (!report) {
6643 if (bss->nl_preq && drv->device_ap_sme &&
6644 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
6645 !bss->static_ap) {
6646 /*
6647 * Do not disable Probe Request reporting that was
6648 * enabled in nl80211_setup_ap().
6649 */
6650 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
6651 "Probe Request reporting nl_preq=%p while "
6652 "in AP mode", bss->nl_preq);
6653 } else if (bss->nl_preq) {
6654 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
6655 "reporting nl_preq=%p", bss->nl_preq);
6656 nl80211_destroy_eloop_handle(&bss->nl_preq);
6657 }
6658 return 0;
6659 }
6660
6661 if (bss->nl_preq) {
6662 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
6663 "already on! nl_preq=%p", bss->nl_preq);
6664 return 0;
6665 }
6666
6667 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
6668 if (bss->nl_preq == NULL)
6669 return -1;
6670 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
6671 "reporting nl_preq=%p", bss->nl_preq);
6672
6673 if (nl80211_register_frame(bss, bss->nl_preq,
6674 (WLAN_FC_TYPE_MGMT << 2) |
6675 (WLAN_FC_STYPE_PROBE_REQ << 4),
6676 NULL, 0) < 0)
6677 goto out_err;
6678
6679 nl80211_register_eloop_read(&bss->nl_preq,
6680 wpa_driver_nl80211_event_receive,
6681 bss->nl_cb);
6682
6683 return 0;
6684
6685 out_err:
6686 nl_destroy_handles(&bss->nl_preq);
6687 return -1;
6688 }
6689
6690
6691 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
6692 int ifindex, int disabled)
6693 {
6694 struct nl_msg *msg;
6695 struct nlattr *bands, *band;
6696 int ret;
6697
6698 wpa_printf(MSG_DEBUG,
6699 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6700 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
6701 "no NL80211_TXRATE_LEGACY constraint");
6702
6703 msg = nl80211_ifindex_msg(drv, ifindex, 0,
6704 NL80211_CMD_SET_TX_BITRATE_MASK);
6705 if (!msg)
6706 return -1;
6707
6708 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
6709 if (!bands)
6710 goto fail;
6711
6712 /*
6713 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6714 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6715 * rates. All 5 GHz rates are left enabled.
6716 */
6717 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
6718 if (!band ||
6719 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
6720 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6721 goto fail;
6722 nla_nest_end(msg, band);
6723
6724 nla_nest_end(msg, bands);
6725
6726 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6727 if (ret) {
6728 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
6729 "(%s)", ret, strerror(-ret));
6730 } else
6731 drv->disabled_11b_rates = disabled;
6732
6733 return ret;
6734
6735 fail:
6736 nlmsg_free(msg);
6737 return -1;
6738 }
6739
6740
6741 static int wpa_driver_nl80211_deinit_ap(void *priv)
6742 {
6743 struct i802_bss *bss = priv;
6744 struct wpa_driver_nl80211_data *drv = bss->drv;
6745 if (!is_ap_interface(drv->nlmode))
6746 return -1;
6747 wpa_driver_nl80211_del_beacon(drv);
6748 bss->beacon_set = 0;
6749
6750 /*
6751 * If the P2P GO interface was dynamically added, then it is
6752 * possible that the interface change to station is not possible.
6753 */
6754 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
6755 return 0;
6756
6757 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6758 }
6759
6760
6761 static int wpa_driver_nl80211_stop_ap(void *priv)
6762 {
6763 struct i802_bss *bss = priv;
6764 struct wpa_driver_nl80211_data *drv = bss->drv;
6765 if (!is_ap_interface(drv->nlmode))
6766 return -1;
6767 wpa_driver_nl80211_del_beacon(drv);
6768 bss->beacon_set = 0;
6769 return 0;
6770 }
6771
6772
6773 static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
6774 {
6775 struct i802_bss *bss = priv;
6776 struct wpa_driver_nl80211_data *drv = bss->drv;
6777 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
6778 return -1;
6779
6780 /*
6781 * If the P2P Client interface was dynamically added, then it is
6782 * possible that the interface change to station is not possible.
6783 */
6784 if (bss->if_dynamic)
6785 return 0;
6786
6787 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6788 }
6789
6790
6791 static void wpa_driver_nl80211_resume(void *priv)
6792 {
6793 struct i802_bss *bss = priv;
6794 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
6795
6796 if (i802_set_iface_flags(bss, 1))
6797 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
6798
6799 if (is_p2p_net_interface(nlmode))
6800 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
6801 }
6802
6803
6804 static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
6805 {
6806 struct i802_bss *bss = priv;
6807 struct wpa_driver_nl80211_data *drv = bss->drv;
6808 struct nl_msg *msg;
6809 struct nlattr *cqm;
6810
6811 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
6812 "hysteresis=%d", threshold, hysteresis);
6813
6814 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
6815 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
6816 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
6817 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
6818 nlmsg_free(msg);
6819 return -1;
6820 }
6821 nla_nest_end(msg, cqm);
6822
6823 return send_and_recv_msgs(drv, msg, NULL, NULL);
6824 }
6825
6826
6827 static int get_channel_width(struct nl_msg *msg, void *arg)
6828 {
6829 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6830 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6831 struct wpa_signal_info *sig_change = arg;
6832
6833 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6834 genlmsg_attrlen(gnlh, 0), NULL);
6835
6836 sig_change->center_frq1 = -1;
6837 sig_change->center_frq2 = -1;
6838 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
6839
6840 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
6841 sig_change->chanwidth = convert2width(
6842 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
6843 if (tb[NL80211_ATTR_CENTER_FREQ1])
6844 sig_change->center_frq1 =
6845 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
6846 if (tb[NL80211_ATTR_CENTER_FREQ2])
6847 sig_change->center_frq2 =
6848 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
6849 }
6850
6851 return NL_SKIP;
6852 }
6853
6854
6855 static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
6856 struct wpa_signal_info *sig)
6857 {
6858 struct nl_msg *msg;
6859
6860 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
6861 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
6862 }
6863
6864
6865 static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
6866 {
6867 struct i802_bss *bss = priv;
6868 struct wpa_driver_nl80211_data *drv = bss->drv;
6869 int res;
6870
6871 os_memset(si, 0, sizeof(*si));
6872 res = nl80211_get_link_signal(drv, si);
6873 if (res) {
6874 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
6875 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
6876 return res;
6877 si->current_signal = 0;
6878 }
6879
6880 res = nl80211_get_channel_width(drv, si);
6881 if (res != 0)
6882 return res;
6883
6884 return nl80211_get_link_noise(drv, si);
6885 }
6886
6887
6888 static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
6889 int encrypt)
6890 {
6891 struct i802_bss *bss = priv;
6892 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
6893 0, 0, 0, 0, NULL, 0);
6894 }
6895
6896
6897 static int nl80211_set_param(void *priv, const char *param)
6898 {
6899 if (param == NULL)
6900 return 0;
6901 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
6902
6903 #ifdef CONFIG_P2P
6904 if (os_strstr(param, "use_p2p_group_interface=1")) {
6905 struct i802_bss *bss = priv;
6906 struct wpa_driver_nl80211_data *drv = bss->drv;
6907
6908 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
6909 "interface");
6910 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
6911 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
6912 }
6913 #endif /* CONFIG_P2P */
6914
6915 if (os_strstr(param, "use_monitor=1")) {
6916 struct i802_bss *bss = priv;
6917 struct wpa_driver_nl80211_data *drv = bss->drv;
6918 drv->use_monitor = 1;
6919 }
6920
6921 if (os_strstr(param, "force_connect_cmd=1")) {
6922 struct i802_bss *bss = priv;
6923 struct wpa_driver_nl80211_data *drv = bss->drv;
6924 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
6925 drv->force_connect_cmd = 1;
6926 }
6927
6928 if (os_strstr(param, "no_offchannel_tx=1")) {
6929 struct i802_bss *bss = priv;
6930 struct wpa_driver_nl80211_data *drv = bss->drv;
6931 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
6932 drv->test_use_roc_tx = 1;
6933 }
6934
6935 return 0;
6936 }
6937
6938
6939 static void * nl80211_global_init(void *ctx)
6940 {
6941 struct nl80211_global *global;
6942 struct netlink_config *cfg;
6943
6944 global = os_zalloc(sizeof(*global));
6945 if (global == NULL)
6946 return NULL;
6947 global->ctx = ctx;
6948 global->ioctl_sock = -1;
6949 dl_list_init(&global->interfaces);
6950 global->if_add_ifindex = -1;
6951
6952 cfg = os_zalloc(sizeof(*cfg));
6953 if (cfg == NULL)
6954 goto err;
6955
6956 cfg->ctx = global;
6957 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
6958 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
6959 global->netlink = netlink_init(cfg);
6960 if (global->netlink == NULL) {
6961 os_free(cfg);
6962 goto err;
6963 }
6964
6965 if (wpa_driver_nl80211_init_nl_global(global) < 0)
6966 goto err;
6967
6968 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
6969 if (global->ioctl_sock < 0) {
6970 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
6971 strerror(errno));
6972 goto err;
6973 }
6974
6975 return global;
6976
6977 err:
6978 nl80211_global_deinit(global);
6979 return NULL;
6980 }
6981
6982
6983 static void nl80211_global_deinit(void *priv)
6984 {
6985 struct nl80211_global *global = priv;
6986 if (global == NULL)
6987 return;
6988 if (!dl_list_empty(&global->interfaces)) {
6989 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
6990 "nl80211_global_deinit",
6991 dl_list_len(&global->interfaces));
6992 }
6993
6994 if (global->netlink)
6995 netlink_deinit(global->netlink);
6996
6997 nl_destroy_handles(&global->nl);
6998
6999 if (global->nl_event)
7000 nl80211_destroy_eloop_handle(&global->nl_event);
7001
7002 nl_cb_put(global->nl_cb);
7003
7004 if (global->ioctl_sock >= 0)
7005 close(global->ioctl_sock);
7006
7007 os_free(global);
7008 }
7009
7010
7011 static const char * nl80211_get_radio_name(void *priv)
7012 {
7013 struct i802_bss *bss = priv;
7014 struct wpa_driver_nl80211_data *drv = bss->drv;
7015 return drv->phyname;
7016 }
7017
7018
7019 static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
7020 const u8 *pmkid)
7021 {
7022 struct nl_msg *msg;
7023
7024 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
7025 (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
7026 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
7027 nlmsg_free(msg);
7028 return -ENOBUFS;
7029 }
7030
7031 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
7032 }
7033
7034
7035 static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
7036 {
7037 struct i802_bss *bss = priv;
7038 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
7039 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
7040 }
7041
7042
7043 static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
7044 {
7045 struct i802_bss *bss = priv;
7046 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
7047 MAC2STR(bssid));
7048 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
7049 }
7050
7051
7052 static int nl80211_flush_pmkid(void *priv)
7053 {
7054 struct i802_bss *bss = priv;
7055 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
7056 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
7057 }
7058
7059
7060 static void clean_survey_results(struct survey_results *survey_results)
7061 {
7062 struct freq_survey *survey, *tmp;
7063
7064 if (dl_list_empty(&survey_results->survey_list))
7065 return;
7066
7067 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
7068 struct freq_survey, list) {
7069 dl_list_del(&survey->list);
7070 os_free(survey);
7071 }
7072 }
7073
7074
7075 static void add_survey(struct nlattr **sinfo, u32 ifidx,
7076 struct dl_list *survey_list)
7077 {
7078 struct freq_survey *survey;
7079
7080 survey = os_zalloc(sizeof(struct freq_survey));
7081 if (!survey)
7082 return;
7083
7084 survey->ifidx = ifidx;
7085 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
7086 survey->filled = 0;
7087
7088 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
7089 survey->nf = (int8_t)
7090 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
7091 survey->filled |= SURVEY_HAS_NF;
7092 }
7093
7094 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
7095 survey->channel_time =
7096 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
7097 survey->filled |= SURVEY_HAS_CHAN_TIME;
7098 }
7099
7100 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
7101 survey->channel_time_busy =
7102 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
7103 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
7104 }
7105
7106 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
7107 survey->channel_time_rx =
7108 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
7109 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
7110 }
7111
7112 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
7113 survey->channel_time_tx =
7114 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
7115 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
7116 }
7117
7118 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)",
7119 survey->freq,
7120 survey->nf,
7121 (unsigned long int) survey->channel_time,
7122 (unsigned long int) survey->channel_time_busy,
7123 (unsigned long int) survey->channel_time_tx,
7124 (unsigned long int) survey->channel_time_rx,
7125 survey->filled);
7126
7127 dl_list_add_tail(survey_list, &survey->list);
7128 }
7129
7130
7131 static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
7132 unsigned int freq_filter)
7133 {
7134 if (!freq_filter)
7135 return 1;
7136
7137 return freq_filter == surveyed_freq;
7138 }
7139
7140
7141 static int survey_handler(struct nl_msg *msg, void *arg)
7142 {
7143 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7144 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7145 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
7146 struct survey_results *survey_results;
7147 u32 surveyed_freq = 0;
7148 u32 ifidx;
7149
7150 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
7151 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
7152 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
7153 };
7154
7155 survey_results = (struct survey_results *) arg;
7156
7157 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7158 genlmsg_attrlen(gnlh, 0), NULL);
7159
7160 if (!tb[NL80211_ATTR_IFINDEX])
7161 return NL_SKIP;
7162
7163 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
7164
7165 if (!tb[NL80211_ATTR_SURVEY_INFO])
7166 return NL_SKIP;
7167
7168 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
7169 tb[NL80211_ATTR_SURVEY_INFO],
7170 survey_policy))
7171 return NL_SKIP;
7172
7173 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
7174 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
7175 return NL_SKIP;
7176 }
7177
7178 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
7179
7180 if (!check_survey_ok(sinfo, surveyed_freq,
7181 survey_results->freq_filter))
7182 return NL_SKIP;
7183
7184 if (survey_results->freq_filter &&
7185 survey_results->freq_filter != surveyed_freq) {
7186 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
7187 surveyed_freq);
7188 return NL_SKIP;
7189 }
7190
7191 add_survey(sinfo, ifidx, &survey_results->survey_list);
7192
7193 return NL_SKIP;
7194 }
7195
7196
7197 static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
7198 {
7199 struct i802_bss *bss = priv;
7200 struct wpa_driver_nl80211_data *drv = bss->drv;
7201 struct nl_msg *msg;
7202 int err;
7203 union wpa_event_data data;
7204 struct survey_results *survey_results;
7205
7206 os_memset(&data, 0, sizeof(data));
7207 survey_results = &data.survey_results;
7208
7209 dl_list_init(&survey_results->survey_list);
7210
7211 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7212 if (!msg)
7213 return -ENOBUFS;
7214
7215 if (freq)
7216 data.survey_results.freq_filter = freq;
7217
7218 do {
7219 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
7220 err = send_and_recv_msgs(drv, msg, survey_handler,
7221 survey_results);
7222 } while (err > 0);
7223
7224 if (err)
7225 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
7226 else
7227 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
7228
7229 clean_survey_results(survey_results);
7230 return err;
7231 }
7232
7233
7234 static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
7235 const u8 *kck, size_t kck_len,
7236 const u8 *replay_ctr)
7237 {
7238 struct i802_bss *bss = priv;
7239 struct wpa_driver_nl80211_data *drv = bss->drv;
7240 struct nlattr *replay_nested;
7241 struct nl_msg *msg;
7242 int ret;
7243
7244 if (!drv->set_rekey_offload)
7245 return;
7246
7247 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
7248 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
7249 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
7250 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
7251 nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck) ||
7252 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
7253 replay_ctr)) {
7254 nl80211_nlmsg_clear(msg);
7255 nlmsg_free(msg);
7256 return;
7257 }
7258
7259 nla_nest_end(msg, replay_nested);
7260
7261 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
7262 if (ret == -EOPNOTSUPP) {
7263 wpa_printf(MSG_DEBUG,
7264 "nl80211: Driver does not support rekey offload");
7265 drv->set_rekey_offload = 0;
7266 }
7267 }
7268
7269
7270 static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
7271 const u8 *addr, int qos)
7272 {
7273 /* send data frame to poll STA and check whether
7274 * this frame is ACKed */
7275 struct {
7276 struct ieee80211_hdr hdr;
7277 u16 qos_ctl;
7278 } STRUCT_PACKED nulldata;
7279 size_t size;
7280
7281 /* Send data frame to poll STA and check whether this frame is ACKed */
7282
7283 os_memset(&nulldata, 0, sizeof(nulldata));
7284
7285 if (qos) {
7286 nulldata.hdr.frame_control =
7287 IEEE80211_FC(WLAN_FC_TYPE_DATA,
7288 WLAN_FC_STYPE_QOS_NULL);
7289 size = sizeof(nulldata);
7290 } else {
7291 nulldata.hdr.frame_control =
7292 IEEE80211_FC(WLAN_FC_TYPE_DATA,
7293 WLAN_FC_STYPE_NULLFUNC);
7294 size = sizeof(struct ieee80211_hdr);
7295 }
7296
7297 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
7298 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
7299 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
7300 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
7301
7302 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
7303 0, 0, NULL, 0) < 0)
7304 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
7305 "send poll frame");
7306 }
7307
7308 static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
7309 int qos)
7310 {
7311 struct i802_bss *bss = priv;
7312 struct wpa_driver_nl80211_data *drv = bss->drv;
7313 struct nl_msg *msg;
7314 int ret;
7315
7316 if (!drv->poll_command_supported) {
7317 nl80211_send_null_frame(bss, own_addr, addr, qos);
7318 return;
7319 }
7320
7321 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
7322 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7323 nlmsg_free(msg);
7324 return;
7325 }
7326
7327 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7328 if (ret < 0) {
7329 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
7330 MACSTR " failed: ret=%d (%s)",
7331 MAC2STR(addr), ret, strerror(-ret));
7332 }
7333 }
7334
7335
7336 static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
7337 {
7338 struct nl_msg *msg;
7339
7340 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
7341 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
7342 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
7343 nlmsg_free(msg);
7344 return -ENOBUFS;
7345 }
7346 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
7347 }
7348
7349
7350 static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
7351 int ctwindow)
7352 {
7353 struct i802_bss *bss = priv;
7354
7355 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
7356 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
7357
7358 if (opp_ps != -1 || ctwindow != -1) {
7359 #ifdef ANDROID_P2P
7360 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
7361 #else /* ANDROID_P2P */
7362 return -1; /* Not yet supported */
7363 #endif /* ANDROID_P2P */
7364 }
7365
7366 if (legacy_ps == -1)
7367 return 0;
7368 if (legacy_ps != 0 && legacy_ps != 1)
7369 return -1; /* Not yet supported */
7370
7371 return nl80211_set_power_save(bss, legacy_ps);
7372 }
7373
7374
7375 static int nl80211_start_radar_detection(void *priv,
7376 struct hostapd_freq_params *freq)
7377 {
7378 struct i802_bss *bss = priv;
7379 struct wpa_driver_nl80211_data *drv = bss->drv;
7380 struct nl_msg *msg;
7381 int ret;
7382
7383 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)",
7384 freq->freq, freq->ht_enabled, freq->vht_enabled,
7385 freq->bandwidth, freq->center_freq1, freq->center_freq2);
7386
7387 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
7388 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
7389 "detection");
7390 return -1;
7391 }
7392
7393 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
7394 nl80211_put_freq_params(msg, freq) < 0) {
7395 nlmsg_free(msg);
7396 return -1;
7397 }
7398
7399 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7400 if (ret == 0)
7401 return 0;
7402 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
7403 "%d (%s)", ret, strerror(-ret));
7404 return -1;
7405 }
7406
7407 #ifdef CONFIG_TDLS
7408
7409 static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
7410 u8 dialog_token, u16 status_code,
7411 u32 peer_capab, int initiator, const u8 *buf,
7412 size_t len)
7413 {
7414 struct i802_bss *bss = priv;
7415 struct wpa_driver_nl80211_data *drv = bss->drv;
7416 struct nl_msg *msg;
7417
7418 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7419 return -EOPNOTSUPP;
7420
7421 if (!dst)
7422 return -EINVAL;
7423
7424 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
7425 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7426 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
7427 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
7428 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
7429 goto fail;
7430 if (peer_capab) {
7431 /*
7432 * The internal enum tdls_peer_capability definition is
7433 * currently identical with the nl80211 enum
7434 * nl80211_tdls_peer_capability, so no conversion is needed
7435 * here.
7436 */
7437 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
7438 peer_capab))
7439 goto fail;
7440 }
7441 if ((initiator &&
7442 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
7443 nla_put(msg, NL80211_ATTR_IE, len, buf))
7444 goto fail;
7445
7446 return send_and_recv_msgs(drv, msg, NULL, NULL);
7447
7448 fail:
7449 nlmsg_free(msg);
7450 return -ENOBUFS;
7451 }
7452
7453
7454 static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
7455 {
7456 struct i802_bss *bss = priv;
7457 struct wpa_driver_nl80211_data *drv = bss->drv;
7458 struct nl_msg *msg;
7459 enum nl80211_tdls_operation nl80211_oper;
7460
7461 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7462 return -EOPNOTSUPP;
7463
7464 switch (oper) {
7465 case TDLS_DISCOVERY_REQ:
7466 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
7467 break;
7468 case TDLS_SETUP:
7469 nl80211_oper = NL80211_TDLS_SETUP;
7470 break;
7471 case TDLS_TEARDOWN:
7472 nl80211_oper = NL80211_TDLS_TEARDOWN;
7473 break;
7474 case TDLS_ENABLE_LINK:
7475 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
7476 break;
7477 case TDLS_DISABLE_LINK:
7478 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
7479 break;
7480 case TDLS_ENABLE:
7481 return 0;
7482 case TDLS_DISABLE:
7483 return 0;
7484 default:
7485 return -EINVAL;
7486 }
7487
7488 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
7489 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
7490 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
7491 nlmsg_free(msg);
7492 return -ENOBUFS;
7493 }
7494
7495 return send_and_recv_msgs(drv, msg, NULL, NULL);
7496 }
7497
7498
7499 static int
7500 nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
7501 const struct hostapd_freq_params *params)
7502 {
7503 struct i802_bss *bss = priv;
7504 struct wpa_driver_nl80211_data *drv = bss->drv;
7505 struct nl_msg *msg;
7506 int ret = -ENOBUFS;
7507
7508 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7509 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7510 return -EOPNOTSUPP;
7511
7512 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
7513 " oper_class=%u freq=%u",
7514 MAC2STR(addr), oper_class, params->freq);
7515 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
7516 if (!msg ||
7517 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7518 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
7519 (ret = nl80211_put_freq_params(msg, params))) {
7520 nlmsg_free(msg);
7521 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
7522 return ret;
7523 }
7524
7525 return send_and_recv_msgs(drv, msg, NULL, NULL);
7526 }
7527
7528
7529 static int
7530 nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
7531 {
7532 struct i802_bss *bss = priv;
7533 struct wpa_driver_nl80211_data *drv = bss->drv;
7534 struct nl_msg *msg;
7535
7536 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7537 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7538 return -EOPNOTSUPP;
7539
7540 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
7541 MAC2STR(addr));
7542 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
7543 if (!msg ||
7544 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7545 nlmsg_free(msg);
7546 wpa_printf(MSG_DEBUG,
7547 "nl80211: Could not build TDLS cancel chan switch");
7548 return -ENOBUFS;
7549 }
7550
7551 return send_and_recv_msgs(drv, msg, NULL, NULL);
7552 }
7553
7554 #endif /* CONFIG TDLS */
7555
7556
7557 static int driver_nl80211_set_key(const char *ifname, void *priv,
7558 enum wpa_alg alg, const u8 *addr,
7559 int key_idx, int set_tx,
7560 const u8 *seq, size_t seq_len,
7561 const u8 *key, size_t key_len)
7562 {
7563 struct i802_bss *bss = priv;
7564 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
7565 set_tx, seq, seq_len, key, key_len);
7566 }
7567
7568
7569 static int driver_nl80211_scan2(void *priv,
7570 struct wpa_driver_scan_params *params)
7571 {
7572 struct i802_bss *bss = priv;
7573 #ifdef CONFIG_DRIVER_NL80211_QCA
7574 struct wpa_driver_nl80211_data *drv = bss->drv;
7575
7576 /*
7577 * Do a vendor specific scan if possible. If only_new_results is
7578 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
7579 * cannot be achieved through a vendor scan. The below condition may
7580 * need to be modified if new scan flags are added in the future whose
7581 * functionality can only be achieved through a normal scan.
7582 */
7583 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
7584 return wpa_driver_nl80211_vendor_scan(bss, params);
7585 #endif /* CONFIG_DRIVER_NL80211_QCA */
7586 return wpa_driver_nl80211_scan(bss, params);
7587 }
7588
7589
7590 static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
7591 int reason_code)
7592 {
7593 struct i802_bss *bss = priv;
7594 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
7595 }
7596
7597
7598 static int driver_nl80211_authenticate(void *priv,
7599 struct wpa_driver_auth_params *params)
7600 {
7601 struct i802_bss *bss = priv;
7602 return wpa_driver_nl80211_authenticate(bss, params);
7603 }
7604
7605
7606 static void driver_nl80211_deinit(void *priv)
7607 {
7608 struct i802_bss *bss = priv;
7609 wpa_driver_nl80211_deinit(bss);
7610 }
7611
7612
7613 static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
7614 const char *ifname)
7615 {
7616 struct i802_bss *bss = priv;
7617 return wpa_driver_nl80211_if_remove(bss, type, ifname);
7618 }
7619
7620
7621 static int driver_nl80211_send_mlme(void *priv, const u8 *data,
7622 size_t data_len, int noack,
7623 unsigned int freq,
7624 const u16 *csa_offs, size_t csa_offs_len)
7625 {
7626 struct i802_bss *bss = priv;
7627 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
7628 freq, 0, 0, 0, csa_offs,
7629 csa_offs_len);
7630 }
7631
7632
7633 static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
7634 {
7635 struct i802_bss *bss = priv;
7636 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
7637 }
7638
7639
7640 static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
7641 const char *ifname, int vlan_id)
7642 {
7643 struct i802_bss *bss = priv;
7644 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
7645 }
7646
7647
7648 static int driver_nl80211_read_sta_data(void *priv,
7649 struct hostap_sta_driver_data *data,
7650 const u8 *addr)
7651 {
7652 struct i802_bss *bss = priv;
7653 return i802_read_sta_data(bss, data, addr);
7654 }
7655
7656
7657 static int driver_nl80211_send_action(void *priv, unsigned int freq,
7658 unsigned int wait_time,
7659 const u8 *dst, const u8 *src,
7660 const u8 *bssid,
7661 const u8 *data, size_t data_len,
7662 int no_cck)
7663 {
7664 struct i802_bss *bss = priv;
7665 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
7666 bssid, data, data_len, no_cck);
7667 }
7668
7669
7670 static int driver_nl80211_probe_req_report(void *priv, int report)
7671 {
7672 struct i802_bss *bss = priv;
7673 return wpa_driver_nl80211_probe_req_report(bss, report);
7674 }
7675
7676
7677 static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
7678 const u8 *ies, size_t ies_len)
7679 {
7680 int ret;
7681 struct nl_msg *msg;
7682 struct i802_bss *bss = priv;
7683 struct wpa_driver_nl80211_data *drv = bss->drv;
7684 u16 mdid = WPA_GET_LE16(md);
7685
7686 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
7687 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
7688 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
7689 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
7690 nlmsg_free(msg);
7691 return -ENOBUFS;
7692 }
7693
7694 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7695 if (ret) {
7696 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
7697 "err=%d (%s)", ret, strerror(-ret));
7698 }
7699
7700 return ret;
7701 }
7702
7703
7704 const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
7705 {
7706 struct i802_bss *bss = priv;
7707 struct wpa_driver_nl80211_data *drv = bss->drv;
7708
7709 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
7710 return NULL;
7711
7712 return bss->addr;
7713 }
7714
7715
7716 static const char * scan_state_str(enum scan_states scan_state)
7717 {
7718 switch (scan_state) {
7719 case NO_SCAN:
7720 return "NO_SCAN";
7721 case SCAN_REQUESTED:
7722 return "SCAN_REQUESTED";
7723 case SCAN_STARTED:
7724 return "SCAN_STARTED";
7725 case SCAN_COMPLETED:
7726 return "SCAN_COMPLETED";
7727 case SCAN_ABORTED:
7728 return "SCAN_ABORTED";
7729 case SCHED_SCAN_STARTED:
7730 return "SCHED_SCAN_STARTED";
7731 case SCHED_SCAN_STOPPED:
7732 return "SCHED_SCAN_STOPPED";
7733 case SCHED_SCAN_RESULTS:
7734 return "SCHED_SCAN_RESULTS";
7735 }
7736
7737 return "??";
7738 }
7739
7740
7741 static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
7742 {
7743 struct i802_bss *bss = priv;
7744 struct wpa_driver_nl80211_data *drv = bss->drv;
7745 int res;
7746 char *pos, *end;
7747
7748 pos = buf;
7749 end = buf + buflen;
7750
7751 res = os_snprintf(pos, end - pos,
7752 "ifindex=%d\n"
7753 "ifname=%s\n"
7754 "brname=%s\n"
7755 "addr=" MACSTR "\n"
7756 "freq=%d\n"
7757 "%s%s%s%s%s",
7758 bss->ifindex,
7759 bss->ifname,
7760 bss->brname,
7761 MAC2STR(bss->addr),
7762 bss->freq,
7763 bss->beacon_set ? "beacon_set=1\n" : "",
7764 bss->added_if_into_bridge ?
7765 "added_if_into_bridge=1\n" : "",
7766 bss->added_bridge ? "added_bridge=1\n" : "",
7767 bss->in_deinit ? "in_deinit=1\n" : "",
7768 bss->if_dynamic ? "if_dynamic=1\n" : "");
7769 if (os_snprintf_error(end - pos, res))
7770 return pos - buf;
7771 pos += res;
7772
7773 if (bss->wdev_id_set) {
7774 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
7775 (unsigned long long) bss->wdev_id);
7776 if (os_snprintf_error(end - pos, res))
7777 return pos - buf;
7778 pos += res;
7779 }
7780
7781 res = os_snprintf(pos, end - pos,
7782 "phyname=%s\n"
7783 "perm_addr=" MACSTR "\n"
7784 "drv_ifindex=%d\n"
7785 "operstate=%d\n"
7786 "scan_state=%s\n"
7787 "auth_bssid=" MACSTR "\n"
7788 "auth_attempt_bssid=" MACSTR "\n"
7789 "bssid=" MACSTR "\n"
7790 "prev_bssid=" MACSTR "\n"
7791 "associated=%d\n"
7792 "assoc_freq=%u\n"
7793 "monitor_sock=%d\n"
7794 "monitor_ifidx=%d\n"
7795 "monitor_refcount=%d\n"
7796 "last_mgmt_freq=%u\n"
7797 "eapol_tx_sock=%d\n"
7798 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
7799 drv->phyname,
7800 MAC2STR(drv->perm_addr),
7801 drv->ifindex,
7802 drv->operstate,
7803 scan_state_str(drv->scan_state),
7804 MAC2STR(drv->auth_bssid),
7805 MAC2STR(drv->auth_attempt_bssid),
7806 MAC2STR(drv->bssid),
7807 MAC2STR(drv->prev_bssid),
7808 drv->associated,
7809 drv->assoc_freq,
7810 drv->monitor_sock,
7811 drv->monitor_ifidx,
7812 drv->monitor_refcount,
7813 drv->last_mgmt_freq,
7814 drv->eapol_tx_sock,
7815 drv->ignore_if_down_event ?
7816 "ignore_if_down_event=1\n" : "",
7817 drv->scan_complete_events ?
7818 "scan_complete_events=1\n" : "",
7819 drv->disabled_11b_rates ?
7820 "disabled_11b_rates=1\n" : "",
7821 drv->pending_remain_on_chan ?
7822 "pending_remain_on_chan=1\n" : "",
7823 drv->in_interface_list ? "in_interface_list=1\n" : "",
7824 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
7825 drv->poll_command_supported ?
7826 "poll_command_supported=1\n" : "",
7827 drv->data_tx_status ? "data_tx_status=1\n" : "",
7828 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
7829 drv->retry_auth ? "retry_auth=1\n" : "",
7830 drv->use_monitor ? "use_monitor=1\n" : "",
7831 drv->ignore_next_local_disconnect ?
7832 "ignore_next_local_disconnect=1\n" : "",
7833 drv->ignore_next_local_deauth ?
7834 "ignore_next_local_deauth=1\n" : "");
7835 if (os_snprintf_error(end - pos, res))
7836 return pos - buf;
7837 pos += res;
7838
7839 if (drv->has_capability) {
7840 res = os_snprintf(pos, end - pos,
7841 "capa.key_mgmt=0x%x\n"
7842 "capa.enc=0x%x\n"
7843 "capa.auth=0x%x\n"
7844 "capa.flags=0x%llx\n"
7845 "capa.rrm_flags=0x%x\n"
7846 "capa.max_scan_ssids=%d\n"
7847 "capa.max_sched_scan_ssids=%d\n"
7848 "capa.sched_scan_supported=%d\n"
7849 "capa.max_match_sets=%d\n"
7850 "capa.max_remain_on_chan=%u\n"
7851 "capa.max_stations=%u\n"
7852 "capa.probe_resp_offloads=0x%x\n"
7853 "capa.max_acl_mac_addrs=%u\n"
7854 "capa.num_multichan_concurrent=%u\n"
7855 "capa.mac_addr_rand_sched_scan_supported=%d\n"
7856 "capa.mac_addr_rand_scan_supported=%d\n"
7857 "capa.conc_capab=%u\n"
7858 "capa.max_conc_chan_2_4=%u\n"
7859 "capa.max_conc_chan_5_0=%u\n"
7860 "capa.max_sched_scan_plans=%u\n"
7861 "capa.max_sched_scan_plan_interval=%u\n"
7862 "capa.max_sched_scan_plan_iterations=%u\n",
7863 drv->capa.key_mgmt,
7864 drv->capa.enc,
7865 drv->capa.auth,
7866 (unsigned long long) drv->capa.flags,
7867 drv->capa.rrm_flags,
7868 drv->capa.max_scan_ssids,
7869 drv->capa.max_sched_scan_ssids,
7870 drv->capa.sched_scan_supported,
7871 drv->capa.max_match_sets,
7872 drv->capa.max_remain_on_chan,
7873 drv->capa.max_stations,
7874 drv->capa.probe_resp_offloads,
7875 drv->capa.max_acl_mac_addrs,
7876 drv->capa.num_multichan_concurrent,
7877 drv->capa.mac_addr_rand_sched_scan_supported,
7878 drv->capa.mac_addr_rand_scan_supported,
7879 drv->capa.conc_capab,
7880 drv->capa.max_conc_chan_2_4,
7881 drv->capa.max_conc_chan_5_0,
7882 drv->capa.max_sched_scan_plans,
7883 drv->capa.max_sched_scan_plan_interval,
7884 drv->capa.max_sched_scan_plan_iterations);
7885 if (os_snprintf_error(end - pos, res))
7886 return pos - buf;
7887 pos += res;
7888 }
7889
7890 return pos - buf;
7891 }
7892
7893
7894 static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
7895 {
7896 if ((settings->head &&
7897 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
7898 settings->head_len, settings->head)) ||
7899 (settings->tail &&
7900 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
7901 settings->tail_len, settings->tail)) ||
7902 (settings->beacon_ies &&
7903 nla_put(msg, NL80211_ATTR_IE,
7904 settings->beacon_ies_len, settings->beacon_ies)) ||
7905 (settings->proberesp_ies &&
7906 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
7907 settings->proberesp_ies_len, settings->proberesp_ies)) ||
7908 (settings->assocresp_ies &&
7909 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
7910 settings->assocresp_ies_len, settings->assocresp_ies)) ||
7911 (settings->probe_resp &&
7912 nla_put(msg, NL80211_ATTR_PROBE_RESP,
7913 settings->probe_resp_len, settings->probe_resp)))
7914 return -ENOBUFS;
7915
7916 return 0;
7917 }
7918
7919
7920 static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
7921 {
7922 struct nl_msg *msg;
7923 struct i802_bss *bss = priv;
7924 struct wpa_driver_nl80211_data *drv = bss->drv;
7925 struct nlattr *beacon_csa;
7926 int ret = -ENOBUFS;
7927 int csa_off_len = 0;
7928 int i;
7929
7930 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
7931 settings->cs_count, settings->block_tx,
7932 settings->freq_params.freq, settings->freq_params.bandwidth,
7933 settings->freq_params.center_freq1,
7934 settings->freq_params.center_freq2);
7935
7936 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
7937 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
7938 return -EOPNOTSUPP;
7939 }
7940
7941 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
7942 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
7943 return -EOPNOTSUPP;
7944
7945 /*
7946 * Remove empty counters, assuming Probe Response and Beacon frame
7947 * counters match. This implementation assumes that there are only two
7948 * counters.
7949 */
7950 if (settings->counter_offset_beacon[0] &&
7951 !settings->counter_offset_beacon[1]) {
7952 csa_off_len = 1;
7953 } else if (settings->counter_offset_beacon[1] &&
7954 !settings->counter_offset_beacon[0]) {
7955 csa_off_len = 1;
7956 settings->counter_offset_beacon[0] =
7957 settings->counter_offset_beacon[1];
7958 settings->counter_offset_presp[0] =
7959 settings->counter_offset_presp[1];
7960 } else if (settings->counter_offset_beacon[1] &&
7961 settings->counter_offset_beacon[0]) {
7962 csa_off_len = 2;
7963 } else {
7964 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
7965 return -EINVAL;
7966 }
7967
7968 /* Check CSA counters validity */
7969 if (drv->capa.max_csa_counters &&
7970 csa_off_len > drv->capa.max_csa_counters) {
7971 wpa_printf(MSG_ERROR,
7972 "nl80211: Too many CSA counters provided");
7973 return -EINVAL;
7974 }
7975
7976 if (!settings->beacon_csa.tail)
7977 return -EINVAL;
7978
7979 for (i = 0; i < csa_off_len; i++) {
7980 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
7981 u16 csa_c_off_presp = settings->counter_offset_presp[i];
7982
7983 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
7984 (settings->beacon_csa.tail[csa_c_off_bcn] !=
7985 settings->cs_count))
7986 return -EINVAL;
7987
7988 if (settings->beacon_csa.probe_resp &&
7989 ((settings->beacon_csa.probe_resp_len <=
7990 csa_c_off_presp) ||
7991 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
7992 settings->cs_count)))
7993 return -EINVAL;
7994 }
7995
7996 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
7997 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
7998 settings->cs_count) ||
7999 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
8000 (settings->block_tx &&
8001 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
8002 goto error;
8003
8004 /* beacon_after params */
8005 ret = set_beacon_data(msg, &settings->beacon_after);
8006 if (ret)
8007 goto error;
8008
8009 /* beacon_csa params */
8010 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
8011 if (!beacon_csa)
8012 goto fail;
8013
8014 ret = set_beacon_data(msg, &settings->beacon_csa);
8015 if (ret)
8016 goto error;
8017
8018 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
8019 csa_off_len * sizeof(u16),
8020 settings->counter_offset_beacon) ||
8021 (settings->beacon_csa.probe_resp &&
8022 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
8023 csa_off_len * sizeof(u16),
8024 settings->counter_offset_presp)))
8025 goto fail;
8026
8027 nla_nest_end(msg, beacon_csa);
8028 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8029 if (ret) {
8030 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
8031 ret, strerror(-ret));
8032 }
8033 return ret;
8034
8035 fail:
8036 ret = -ENOBUFS;
8037 error:
8038 nlmsg_free(msg);
8039 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
8040 return ret;
8041 }
8042
8043
8044 static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
8045 u8 user_priority, u16 admitted_time)
8046 {
8047 struct i802_bss *bss = priv;
8048 struct wpa_driver_nl80211_data *drv = bss->drv;
8049 struct nl_msg *msg;
8050 int ret;
8051
8052 wpa_printf(MSG_DEBUG,
8053 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
8054 tsid, admitted_time, user_priority);
8055
8056 if (!is_sta_interface(drv->nlmode))
8057 return -ENOTSUP;
8058
8059 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
8060 if (!msg ||
8061 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
8062 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8063 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
8064 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
8065 nlmsg_free(msg);
8066 return -ENOBUFS;
8067 }
8068
8069 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8070 if (ret)
8071 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
8072 ret, strerror(-ret));
8073 return ret;
8074 }
8075
8076
8077 static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
8078 {
8079 struct i802_bss *bss = priv;
8080 struct wpa_driver_nl80211_data *drv = bss->drv;
8081 struct nl_msg *msg;
8082 int ret;
8083
8084 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
8085
8086 if (!is_sta_interface(drv->nlmode))
8087 return -ENOTSUP;
8088
8089 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
8090 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
8091 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8092 nlmsg_free(msg);
8093 return -ENOBUFS;
8094 }
8095
8096 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8097 if (ret)
8098 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
8099 ret, strerror(-ret));
8100 return ret;
8101 }
8102
8103
8104 #ifdef CONFIG_TESTING_OPTIONS
8105 static int cmd_reply_handler(struct nl_msg *msg, void *arg)
8106 {
8107 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8108 struct wpabuf *buf = arg;
8109
8110 if (!buf)
8111 return NL_SKIP;
8112
8113 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
8114 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
8115 return NL_SKIP;
8116 }
8117
8118 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
8119 genlmsg_attrlen(gnlh, 0));
8120
8121 return NL_SKIP;
8122 }
8123 #endif /* CONFIG_TESTING_OPTIONS */
8124
8125
8126 static int vendor_reply_handler(struct nl_msg *msg, void *arg)
8127 {
8128 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8129 struct nlattr *nl_vendor_reply, *nl;
8130 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8131 struct wpabuf *buf = arg;
8132 int rem;
8133
8134 if (!buf)
8135 return NL_SKIP;
8136
8137 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8138 genlmsg_attrlen(gnlh, 0), NULL);
8139 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
8140
8141 if (!nl_vendor_reply)
8142 return NL_SKIP;
8143
8144 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
8145 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
8146 return NL_SKIP;
8147 }
8148
8149 nla_for_each_nested(nl, nl_vendor_reply, rem) {
8150 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
8151 }
8152
8153 return NL_SKIP;
8154 }
8155
8156
8157 static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
8158 unsigned int subcmd, const u8 *data,
8159 size_t data_len, struct wpabuf *buf)
8160 {
8161 struct i802_bss *bss = priv;
8162 struct wpa_driver_nl80211_data *drv = bss->drv;
8163 struct nl_msg *msg;
8164 int ret;
8165
8166 #ifdef CONFIG_TESTING_OPTIONS
8167 if (vendor_id == 0xffffffff) {
8168 msg = nlmsg_alloc();
8169 if (!msg)
8170 return -ENOMEM;
8171
8172 nl80211_cmd(drv, msg, 0, subcmd);
8173 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
8174 0)
8175 goto fail;
8176 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
8177 if (ret)
8178 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
8179 ret);
8180 return ret;
8181 }
8182 #endif /* CONFIG_TESTING_OPTIONS */
8183
8184 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
8185 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
8186 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
8187 (data &&
8188 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
8189 goto fail;
8190
8191 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
8192 if (ret)
8193 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
8194 ret);
8195 return ret;
8196
8197 fail:
8198 nlmsg_free(msg);
8199 return -ENOBUFS;
8200 }
8201
8202
8203 static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
8204 u8 qos_map_set_len)
8205 {
8206 struct i802_bss *bss = priv;
8207 struct wpa_driver_nl80211_data *drv = bss->drv;
8208 struct nl_msg *msg;
8209 int ret;
8210
8211 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
8212 qos_map_set, qos_map_set_len);
8213
8214 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
8215 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
8216 nlmsg_free(msg);
8217 return -ENOBUFS;
8218 }
8219
8220 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8221 if (ret)
8222 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
8223
8224 return ret;
8225 }
8226
8227
8228 static int nl80211_set_wowlan(void *priv,
8229 const struct wowlan_triggers *triggers)
8230 {
8231 struct i802_bss *bss = priv;
8232 struct wpa_driver_nl80211_data *drv = bss->drv;
8233 struct nl_msg *msg;
8234 struct nlattr *wowlan_triggers;
8235 int ret;
8236
8237 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
8238
8239 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
8240 !(wowlan_triggers = nla_nest_start(msg,
8241 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
8242 (triggers->any &&
8243 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
8244 (triggers->disconnect &&
8245 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
8246 (triggers->magic_pkt &&
8247 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
8248 (triggers->gtk_rekey_failure &&
8249 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
8250 (triggers->eap_identity_req &&
8251 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
8252 (triggers->four_way_handshake &&
8253 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
8254 (triggers->rfkill_release &&
8255 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
8256 nlmsg_free(msg);
8257 return -ENOBUFS;
8258 }
8259
8260 nla_nest_end(msg, wowlan_triggers);
8261
8262 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8263 if (ret)
8264 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
8265
8266 return ret;
8267 }
8268
8269
8270 #ifdef CONFIG_DRIVER_NL80211_QCA
8271 static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
8272 {
8273 struct i802_bss *bss = priv;
8274 struct wpa_driver_nl80211_data *drv = bss->drv;
8275 struct nl_msg *msg;
8276 struct nlattr *params;
8277
8278 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
8279
8280 if (!drv->roaming_vendor_cmd_avail) {
8281 wpa_printf(MSG_DEBUG,
8282 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
8283 return -1;
8284 }
8285
8286 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8287 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8288 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8289 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
8290 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8291 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
8292 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
8293 QCA_ROAMING_NOT_ALLOWED) ||
8294 (bssid &&
8295 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
8296 nlmsg_free(msg);
8297 return -1;
8298 }
8299 nla_nest_end(msg, params);
8300
8301 return send_and_recv_msgs(drv, msg, NULL, NULL);
8302 }
8303 #endif /* CONFIG_DRIVER_NL80211_QCA */
8304
8305
8306 static int nl80211_set_mac_addr(void *priv, const u8 *addr)
8307 {
8308 struct i802_bss *bss = priv;
8309 struct wpa_driver_nl80211_data *drv = bss->drv;
8310 int new_addr = addr != NULL;
8311
8312 if (TEST_FAIL())
8313 return -1;
8314
8315 if (!addr)
8316 addr = drv->perm_addr;
8317
8318 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
8319 return -1;
8320
8321 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
8322 {
8323 wpa_printf(MSG_DEBUG,
8324 "nl80211: failed to set_mac_addr for %s to " MACSTR,
8325 bss->ifname, MAC2STR(addr));
8326 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
8327 1) < 0) {
8328 wpa_printf(MSG_DEBUG,
8329 "nl80211: Could not restore interface UP after failed set_mac_addr");
8330 }
8331 return -1;
8332 }
8333
8334 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
8335 bss->ifname, MAC2STR(addr));
8336 drv->addr_changed = new_addr;
8337 os_memcpy(bss->addr, addr, ETH_ALEN);
8338
8339 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
8340 {
8341 wpa_printf(MSG_DEBUG,
8342 "nl80211: Could not restore interface UP after set_mac_addr");
8343 }
8344
8345 return 0;
8346 }
8347
8348
8349 #ifdef CONFIG_MESH
8350
8351 static int wpa_driver_nl80211_init_mesh(void *priv)
8352 {
8353 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
8354 wpa_printf(MSG_INFO,
8355 "nl80211: Failed to set interface into mesh mode");
8356 return -1;
8357 }
8358 return 0;
8359 }
8360
8361
8362 static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
8363 size_t mesh_id_len)
8364 {
8365 if (mesh_id) {
8366 wpa_hexdump_ascii(MSG_DEBUG, " * Mesh ID (SSID)",
8367 mesh_id, mesh_id_len);
8368 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
8369 }
8370
8371 return 0;
8372 }
8373
8374
8375 static int nl80211_join_mesh(struct i802_bss *bss,
8376 struct wpa_driver_mesh_join_params *params)
8377 {
8378 struct wpa_driver_nl80211_data *drv = bss->drv;
8379 struct nl_msg *msg;
8380 struct nlattr *container;
8381 int ret = -1;
8382
8383 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
8384 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
8385 if (!msg ||
8386 nl80211_put_freq_params(msg, &params->freq) ||
8387 nl80211_put_basic_rates(msg, params->basic_rates) ||
8388 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
8389 nl80211_put_beacon_int(msg, params->beacon_int))
8390 goto fail;
8391
8392 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
8393
8394 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
8395 if (!container)
8396 goto fail;
8397
8398 if (params->ies) {
8399 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
8400 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
8401 params->ies))
8402 goto fail;
8403 }
8404 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
8405 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
8406 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
8407 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
8408 goto fail;
8409 }
8410 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
8411 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
8412 goto fail;
8413 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
8414 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
8415 goto fail;
8416 nla_nest_end(msg, container);
8417
8418 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
8419 if (!container)
8420 goto fail;
8421
8422 if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
8423 nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0))
8424 goto fail;
8425 if ((params->conf.flags & WPA_DRIVER_MESH_FLAG_DRIVER_MPM) &&
8426 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8427 params->max_peer_links))
8428 goto fail;
8429
8430 /*
8431 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
8432 * the timer could disconnect stations even in that case.
8433 */
8434 if (nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
8435 params->conf.peer_link_timeout)) {
8436 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
8437 goto fail;
8438 }
8439
8440 nla_nest_end(msg, container);
8441
8442 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8443 msg = NULL;
8444 if (ret) {
8445 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
8446 ret, strerror(-ret));
8447 goto fail;
8448 }
8449 ret = 0;
8450 bss->freq = params->freq.freq;
8451 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
8452
8453 fail:
8454 nlmsg_free(msg);
8455 return ret;
8456 }
8457
8458
8459 static int
8460 wpa_driver_nl80211_join_mesh(void *priv,
8461 struct wpa_driver_mesh_join_params *params)
8462 {
8463 struct i802_bss *bss = priv;
8464 int ret, timeout;
8465
8466 timeout = params->conf.peer_link_timeout;
8467
8468 /* Disable kernel inactivity timer */
8469 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
8470 params->conf.peer_link_timeout = 0;
8471
8472 ret = nl80211_join_mesh(bss, params);
8473 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
8474 wpa_printf(MSG_DEBUG,
8475 "nl80211: Mesh join retry for peer_link_timeout");
8476 /*
8477 * Old kernel does not support setting
8478 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
8479 * into future from peer_link_timeout.
8480 */
8481 params->conf.peer_link_timeout = timeout + 60;
8482 ret = nl80211_join_mesh(priv, params);
8483 }
8484
8485 params->conf.peer_link_timeout = timeout;
8486 return ret;
8487 }
8488
8489
8490 static int wpa_driver_nl80211_leave_mesh(void *priv)
8491 {
8492 struct i802_bss *bss = priv;
8493 struct wpa_driver_nl80211_data *drv = bss->drv;
8494 struct nl_msg *msg;
8495 int ret;
8496
8497 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
8498 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
8499 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8500 if (ret) {
8501 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
8502 ret, strerror(-ret));
8503 } else {
8504 wpa_printf(MSG_DEBUG,
8505 "nl80211: mesh leave request send successfully");
8506 }
8507
8508 if (wpa_driver_nl80211_set_mode(drv->first_bss,
8509 NL80211_IFTYPE_STATION)) {
8510 wpa_printf(MSG_INFO,
8511 "nl80211: Failed to set interface into station mode");
8512 }
8513 return ret;
8514 }
8515
8516 #endif /* CONFIG_MESH */
8517
8518
8519 static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
8520 const u8 *ipaddr, int prefixlen,
8521 const u8 *addr)
8522 {
8523 #ifdef CONFIG_LIBNL3_ROUTE
8524 struct i802_bss *bss = priv;
8525 struct wpa_driver_nl80211_data *drv = bss->drv;
8526 struct rtnl_neigh *rn;
8527 struct nl_addr *nl_ipaddr = NULL;
8528 struct nl_addr *nl_lladdr = NULL;
8529 int family, addrsize;
8530 int res;
8531
8532 if (!ipaddr || prefixlen == 0 || !addr)
8533 return -EINVAL;
8534
8535 if (bss->br_ifindex == 0) {
8536 wpa_printf(MSG_DEBUG,
8537 "nl80211: bridge must be set before adding an ip neigh to it");
8538 return -1;
8539 }
8540
8541 if (!drv->rtnl_sk) {
8542 wpa_printf(MSG_DEBUG,
8543 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8544 return -1;
8545 }
8546
8547 if (version == 4) {
8548 family = AF_INET;
8549 addrsize = 4;
8550 } else if (version == 6) {
8551 family = AF_INET6;
8552 addrsize = 16;
8553 } else {
8554 return -EINVAL;
8555 }
8556
8557 rn = rtnl_neigh_alloc();
8558 if (rn == NULL)
8559 return -ENOMEM;
8560
8561 /* set the destination ip address for neigh */
8562 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
8563 if (nl_ipaddr == NULL) {
8564 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8565 res = -ENOMEM;
8566 goto errout;
8567 }
8568 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
8569 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8570 if (res) {
8571 wpa_printf(MSG_DEBUG,
8572 "nl80211: neigh set destination addr failed");
8573 goto errout;
8574 }
8575
8576 /* set the corresponding lladdr for neigh */
8577 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
8578 if (nl_lladdr == NULL) {
8579 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
8580 res = -ENOMEM;
8581 goto errout;
8582 }
8583 rtnl_neigh_set_lladdr(rn, nl_lladdr);
8584
8585 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8586 rtnl_neigh_set_state(rn, NUD_PERMANENT);
8587
8588 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
8589 if (res) {
8590 wpa_printf(MSG_DEBUG,
8591 "nl80211: Adding bridge ip neigh failed: %s",
8592 strerror(errno));
8593 }
8594 errout:
8595 if (nl_lladdr)
8596 nl_addr_put(nl_lladdr);
8597 if (nl_ipaddr)
8598 nl_addr_put(nl_ipaddr);
8599 if (rn)
8600 rtnl_neigh_put(rn);
8601 return res;
8602 #else /* CONFIG_LIBNL3_ROUTE */
8603 return -1;
8604 #endif /* CONFIG_LIBNL3_ROUTE */
8605 }
8606
8607
8608 static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
8609 const u8 *ipaddr)
8610 {
8611 #ifdef CONFIG_LIBNL3_ROUTE
8612 struct i802_bss *bss = priv;
8613 struct wpa_driver_nl80211_data *drv = bss->drv;
8614 struct rtnl_neigh *rn;
8615 struct nl_addr *nl_ipaddr;
8616 int family, addrsize;
8617 int res;
8618
8619 if (!ipaddr)
8620 return -EINVAL;
8621
8622 if (version == 4) {
8623 family = AF_INET;
8624 addrsize = 4;
8625 } else if (version == 6) {
8626 family = AF_INET6;
8627 addrsize = 16;
8628 } else {
8629 return -EINVAL;
8630 }
8631
8632 if (bss->br_ifindex == 0) {
8633 wpa_printf(MSG_DEBUG,
8634 "nl80211: bridge must be set to delete an ip neigh");
8635 return -1;
8636 }
8637
8638 if (!drv->rtnl_sk) {
8639 wpa_printf(MSG_DEBUG,
8640 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8641 return -1;
8642 }
8643
8644 rn = rtnl_neigh_alloc();
8645 if (rn == NULL)
8646 return -ENOMEM;
8647
8648 /* set the destination ip address for neigh */
8649 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
8650 if (nl_ipaddr == NULL) {
8651 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8652 res = -ENOMEM;
8653 goto errout;
8654 }
8655 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8656 if (res) {
8657 wpa_printf(MSG_DEBUG,
8658 "nl80211: neigh set destination addr failed");
8659 goto errout;
8660 }
8661
8662 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8663
8664 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
8665 if (res) {
8666 wpa_printf(MSG_DEBUG,
8667 "nl80211: Deleting bridge ip neigh failed: %s",
8668 strerror(errno));
8669 }
8670 errout:
8671 if (nl_ipaddr)
8672 nl_addr_put(nl_ipaddr);
8673 if (rn)
8674 rtnl_neigh_put(rn);
8675 return res;
8676 #else /* CONFIG_LIBNL3_ROUTE */
8677 return -1;
8678 #endif /* CONFIG_LIBNL3_ROUTE */
8679 }
8680
8681
8682 static int linux_write_system_file(const char *path, unsigned int val)
8683 {
8684 char buf[50];
8685 int fd, len;
8686
8687 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
8688 if (os_snprintf_error(sizeof(buf), len))
8689 return -1;
8690
8691 fd = open(path, O_WRONLY);
8692 if (fd < 0)
8693 return -1;
8694
8695 if (write(fd, buf, len) < 0) {
8696 wpa_printf(MSG_DEBUG,
8697 "nl80211: Failed to write Linux system file: %s with the value of %d",
8698 path, val);
8699 close(fd);
8700 return -1;
8701 }
8702 close(fd);
8703
8704 return 0;
8705 }
8706
8707
8708 static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
8709 {
8710 switch (attr) {
8711 case DRV_BR_PORT_ATTR_PROXYARP:
8712 return "proxyarp_wifi";
8713 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
8714 return "hairpin_mode";
8715 }
8716
8717 return NULL;
8718 }
8719
8720
8721 static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
8722 unsigned int val)
8723 {
8724 struct i802_bss *bss = priv;
8725 char path[128];
8726 const char *attr_txt;
8727
8728 attr_txt = drv_br_port_attr_str(attr);
8729 if (attr_txt == NULL)
8730 return -EINVAL;
8731
8732 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
8733 bss->ifname, attr_txt);
8734
8735 if (linux_write_system_file(path, val))
8736 return -1;
8737
8738 return 0;
8739 }
8740
8741
8742 static const char * drv_br_net_param_str(enum drv_br_net_param param)
8743 {
8744 switch (param) {
8745 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8746 return "arp_accept";
8747 default:
8748 return NULL;
8749 }
8750 }
8751
8752
8753 static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
8754 unsigned int val)
8755 {
8756 struct i802_bss *bss = priv;
8757 char path[128];
8758 const char *param_txt;
8759 int ip_version = 4;
8760
8761 if (param == DRV_BR_MULTICAST_SNOOPING) {
8762 os_snprintf(path, sizeof(path),
8763 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
8764 bss->brname);
8765 goto set_val;
8766 }
8767
8768 param_txt = drv_br_net_param_str(param);
8769 if (param_txt == NULL)
8770 return -EINVAL;
8771
8772 switch (param) {
8773 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8774 ip_version = 4;
8775 break;
8776 default:
8777 return -EINVAL;
8778 }
8779
8780 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
8781 ip_version, bss->brname, param_txt);
8782
8783 set_val:
8784 if (linux_write_system_file(path, val))
8785 return -1;
8786
8787 return 0;
8788 }
8789
8790
8791 #ifdef CONFIG_DRIVER_NL80211_QCA
8792
8793 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
8794 {
8795 switch (hw_mode) {
8796 case HOSTAPD_MODE_IEEE80211B:
8797 return QCA_ACS_MODE_IEEE80211B;
8798 case HOSTAPD_MODE_IEEE80211G:
8799 return QCA_ACS_MODE_IEEE80211G;
8800 case HOSTAPD_MODE_IEEE80211A:
8801 return QCA_ACS_MODE_IEEE80211A;
8802 case HOSTAPD_MODE_IEEE80211AD:
8803 return QCA_ACS_MODE_IEEE80211AD;
8804 case HOSTAPD_MODE_IEEE80211ANY:
8805 return QCA_ACS_MODE_IEEE80211ANY;
8806 default:
8807 return -1;
8808 }
8809 }
8810
8811
8812 static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
8813 {
8814 int i, len, ret;
8815 u32 *freqs;
8816
8817 if (!freq_list)
8818 return 0;
8819 len = int_array_len(freq_list);
8820 freqs = os_malloc(sizeof(u32) * len);
8821 if (!freqs)
8822 return -1;
8823 for (i = 0; i < len; i++)
8824 freqs[i] = freq_list[i];
8825 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
8826 sizeof(u32) * len, freqs);
8827 os_free(freqs);
8828 return ret;
8829 }
8830
8831
8832 static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
8833 {
8834 struct i802_bss *bss = priv;
8835 struct wpa_driver_nl80211_data *drv = bss->drv;
8836 struct nl_msg *msg;
8837 struct nlattr *data;
8838 int ret;
8839 int mode;
8840
8841 mode = hw_mode_to_qca_acs(params->hw_mode);
8842 if (mode < 0)
8843 return -1;
8844
8845 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8846 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8847 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8848 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
8849 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8850 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
8851 (params->ht_enabled &&
8852 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
8853 (params->ht40_enabled &&
8854 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
8855 (params->vht_enabled &&
8856 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
8857 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
8858 params->ch_width) ||
8859 (params->ch_list_len &&
8860 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
8861 params->ch_list)) ||
8862 add_acs_freq_list(msg, params->freq_list)) {
8863 nlmsg_free(msg);
8864 return -ENOBUFS;
8865 }
8866 nla_nest_end(msg, data);
8867
8868 wpa_printf(MSG_DEBUG,
8869 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
8870 params->hw_mode, params->ht_enabled, params->ht40_enabled,
8871 params->vht_enabled, params->ch_width, params->ch_list_len);
8872
8873 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8874 if (ret) {
8875 wpa_printf(MSG_DEBUG,
8876 "nl80211: Failed to invoke driver ACS function: %s",
8877 strerror(errno));
8878 }
8879 return ret;
8880 }
8881
8882
8883 static int nl80211_set_band(void *priv, enum set_band band)
8884 {
8885 struct i802_bss *bss = priv;
8886 struct wpa_driver_nl80211_data *drv = bss->drv;
8887 struct nl_msg *msg;
8888 struct nlattr *data;
8889 int ret;
8890 enum qca_set_band qca_band;
8891
8892 if (!drv->setband_vendor_cmd_avail)
8893 return -1;
8894
8895 switch (band) {
8896 case WPA_SETBAND_AUTO:
8897 qca_band = QCA_SETBAND_AUTO;
8898 break;
8899 case WPA_SETBAND_5G:
8900 qca_band = QCA_SETBAND_5G;
8901 break;
8902 case WPA_SETBAND_2G:
8903 qca_band = QCA_SETBAND_2G;
8904 break;
8905 default:
8906 return -1;
8907 }
8908
8909 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8910 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8911 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8912 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
8913 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8914 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
8915 nlmsg_free(msg);
8916 return -ENOBUFS;
8917 }
8918 nla_nest_end(msg, data);
8919
8920 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8921 if (ret) {
8922 wpa_printf(MSG_DEBUG,
8923 "nl80211: Driver setband function failed: %s",
8924 strerror(errno));
8925 }
8926 return ret;
8927 }
8928
8929
8930 struct nl80211_pcl {
8931 unsigned int num;
8932 unsigned int *freq_list;
8933 };
8934
8935 static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
8936 {
8937 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8938 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8939 struct nl80211_pcl *param = arg;
8940 struct nlattr *nl_vend, *attr;
8941 enum qca_iface_type iface_type;
8942 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
8943 unsigned int num, max_num;
8944 u32 *freqs;
8945
8946 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8947 genlmsg_attrlen(gnlh, 0), NULL);
8948
8949 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
8950 if (!nl_vend)
8951 return NL_SKIP;
8952
8953 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
8954 nla_data(nl_vend), nla_len(nl_vend), NULL);
8955
8956 attr = tb_vendor[
8957 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
8958 if (!attr) {
8959 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
8960 param->num = 0;
8961 return NL_SKIP;
8962 }
8963
8964 iface_type = (enum qca_iface_type) nla_get_u32(attr);
8965 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
8966 iface_type);
8967
8968 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
8969 if (!attr) {
8970 wpa_printf(MSG_ERROR,
8971 "nl80211: preferred_freq_list couldn't be found");
8972 param->num = 0;
8973 return NL_SKIP;
8974 }
8975
8976 /*
8977 * param->num has the maximum number of entries for which there
8978 * is room in the freq_list provided by the caller.
8979 */
8980 freqs = nla_data(attr);
8981 max_num = nla_len(attr) / sizeof(u32);
8982 if (max_num > param->num)
8983 max_num = param->num;
8984 for (num = 0; num < max_num; num++)
8985 param->freq_list[num] = freqs[num];
8986 param->num = num;
8987
8988 return NL_SKIP;
8989 }
8990
8991
8992 static int nl80211_get_pref_freq_list(void *priv,
8993 enum wpa_driver_if_type if_type,
8994 unsigned int *num,
8995 unsigned int *freq_list)
8996 {
8997 struct i802_bss *bss = priv;
8998 struct wpa_driver_nl80211_data *drv = bss->drv;
8999 struct nl_msg *msg;
9000 int ret;
9001 unsigned int i;
9002 struct nlattr *params;
9003 struct nl80211_pcl param;
9004 enum qca_iface_type iface_type;
9005
9006 if (!drv->get_pref_freq_list)
9007 return -1;
9008
9009 switch (if_type) {
9010 case WPA_IF_STATION:
9011 iface_type = QCA_IFACE_TYPE_STA;
9012 break;
9013 case WPA_IF_AP_BSS:
9014 iface_type = QCA_IFACE_TYPE_AP;
9015 break;
9016 case WPA_IF_P2P_GO:
9017 iface_type = QCA_IFACE_TYPE_P2P_GO;
9018 break;
9019 case WPA_IF_P2P_CLIENT:
9020 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
9021 break;
9022 case WPA_IF_IBSS:
9023 iface_type = QCA_IFACE_TYPE_IBSS;
9024 break;
9025 case WPA_IF_TDLS:
9026 iface_type = QCA_IFACE_TYPE_TDLS;
9027 break;
9028 default:
9029 return -1;
9030 }
9031
9032 param.num = *num;
9033 param.freq_list = freq_list;
9034
9035 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9036 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
9037 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9038 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9039 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
9040 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9041 nla_put_u32(msg,
9042 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
9043 iface_type)) {
9044 wpa_printf(MSG_ERROR,
9045 "%s: err in adding vendor_cmd and vendor_data",
9046 __func__);
9047 nlmsg_free(msg);
9048 return -1;
9049 }
9050 nla_nest_end(msg, params);
9051
9052 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
9053 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
9054 if (ret) {
9055 wpa_printf(MSG_ERROR,
9056 "%s: err in send_and_recv_msgs", __func__);
9057 return ret;
9058 }
9059
9060 *num = param.num;
9061
9062 for (i = 0; i < *num; i++) {
9063 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
9064 i, freq_list[i]);
9065 }
9066
9067 return 0;
9068 }
9069
9070
9071 static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
9072 {
9073 struct i802_bss *bss = priv;
9074 struct wpa_driver_nl80211_data *drv = bss->drv;
9075 struct nl_msg *msg;
9076 int ret;
9077 struct nlattr *params;
9078
9079 if (!drv->set_prob_oper_freq)
9080 return -1;
9081
9082 wpa_printf(MSG_DEBUG,
9083 "nl80211: Set P2P probable operating freq %u for ifindex %d",
9084 freq, bss->ifindex);
9085
9086 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9087 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9088 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9089 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
9090 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9091 nla_put_u32(msg,
9092 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
9093 QCA_IFACE_TYPE_P2P_CLIENT) ||
9094 nla_put_u32(msg,
9095 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
9096 freq)) {
9097 wpa_printf(MSG_ERROR,
9098 "%s: err in adding vendor_cmd and vendor_data",
9099 __func__);
9100 nlmsg_free(msg);
9101 return -1;
9102 }
9103 nla_nest_end(msg, params);
9104
9105 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9106 msg = NULL;
9107 if (ret) {
9108 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
9109 __func__);
9110 return ret;
9111 }
9112 nlmsg_free(msg);
9113 return 0;
9114 }
9115
9116 #endif /* CONFIG_DRIVER_NL80211_QCA */
9117
9118
9119 static int nl80211_write_to_file(const char *name, unsigned int val)
9120 {
9121 int fd, len;
9122 char tmp[128];
9123
9124 fd = open(name, O_RDWR);
9125 if (fd < 0) {
9126 wpa_printf(MSG_ERROR, "nl80211: Failed to open %s: %s",
9127 name, strerror(errno));
9128 return fd;
9129 }
9130
9131 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
9132 len = write(fd, tmp, len);
9133 if (len < 0)
9134 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
9135 name, strerror(errno));
9136 close(fd);
9137
9138 return 0;
9139 }
9140
9141
9142 static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
9143 {
9144 struct i802_bss *bss = priv;
9145 char path[128];
9146 int ret;
9147
9148 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
9149 filter_flags);
9150
9151 /* Configure filtering of unicast frame encrypted using GTK */
9152 ret = os_snprintf(path, sizeof(path),
9153 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
9154 bss->ifname);
9155 if (os_snprintf_error(sizeof(path), ret))
9156 return -1;
9157
9158 ret = nl80211_write_to_file(path,
9159 !!(filter_flags &
9160 WPA_DATA_FRAME_FILTER_FLAG_GTK));
9161 if (ret) {
9162 wpa_printf(MSG_ERROR,
9163 "nl80211: Failed to set IPv4 unicast in multicast filter");
9164 return ret;
9165 }
9166
9167 os_snprintf(path, sizeof(path),
9168 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
9169 bss->ifname);
9170 ret = nl80211_write_to_file(path,
9171 !!(filter_flags &
9172 WPA_DATA_FRAME_FILTER_FLAG_GTK));
9173
9174 if (ret) {
9175 wpa_printf(MSG_ERROR,
9176 "nl80211: Failed to set IPv6 unicast in multicast filter");
9177 return ret;
9178 }
9179
9180 /* Configure filtering of unicast frame encrypted using GTK */
9181 os_snprintf(path, sizeof(path),
9182 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
9183 bss->ifname);
9184 ret = nl80211_write_to_file(path,
9185 !!(filter_flags &
9186 WPA_DATA_FRAME_FILTER_FLAG_ARP));
9187 if (ret) {
9188 wpa_printf(MSG_ERROR,
9189 "nl80211: Failed set gratuitous ARP filter");
9190 return ret;
9191 }
9192
9193 /* Configure filtering of IPv6 NA frames */
9194 os_snprintf(path, sizeof(path),
9195 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
9196 bss->ifname);
9197 ret = nl80211_write_to_file(path,
9198 !!(filter_flags &
9199 WPA_DATA_FRAME_FILTER_FLAG_NA));
9200 if (ret) {
9201 wpa_printf(MSG_ERROR,
9202 "nl80211: Failed to set unsolicited NA filter");
9203 return ret;
9204 }
9205
9206 return 0;
9207 }
9208
9209
9210 static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
9211 const u8 **ext_capa, const u8 **ext_capa_mask,
9212 unsigned int *ext_capa_len)
9213 {
9214 struct i802_bss *bss = priv;
9215 struct wpa_driver_nl80211_data *drv = bss->drv;
9216 enum nl80211_iftype nlmode;
9217 unsigned int i;
9218
9219 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
9220 return -1;
9221
9222 nlmode = wpa_driver_nl80211_if_type(type);
9223
9224 /* By default, use the per-radio values */
9225 *ext_capa = drv->extended_capa;
9226 *ext_capa_mask = drv->extended_capa_mask;
9227 *ext_capa_len = drv->extended_capa_len;
9228
9229 /* Replace the default value if a per-interface type value exists */
9230 for (i = 0; i < drv->num_iface_ext_capa; i++) {
9231 if (nlmode == drv->iface_ext_capa[i].iftype) {
9232 *ext_capa = drv->iface_ext_capa[i].ext_capa;
9233 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
9234 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
9235 break;
9236 }
9237 }
9238
9239 return 0;
9240 }
9241
9242
9243 const struct wpa_driver_ops wpa_driver_nl80211_ops = {
9244 .name = "nl80211",
9245 .desc = "Linux nl80211/cfg80211",
9246 .get_bssid = wpa_driver_nl80211_get_bssid,
9247 .get_ssid = wpa_driver_nl80211_get_ssid,
9248 .set_key = driver_nl80211_set_key,
9249 .scan2 = driver_nl80211_scan2,
9250 .sched_scan = wpa_driver_nl80211_sched_scan,
9251 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
9252 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
9253 .abort_scan = wpa_driver_nl80211_abort_scan,
9254 .deauthenticate = driver_nl80211_deauthenticate,
9255 .authenticate = driver_nl80211_authenticate,
9256 .associate = wpa_driver_nl80211_associate,
9257 .global_init = nl80211_global_init,
9258 .global_deinit = nl80211_global_deinit,
9259 .init2 = wpa_driver_nl80211_init,
9260 .deinit = driver_nl80211_deinit,
9261 .get_capa = wpa_driver_nl80211_get_capa,
9262 .set_operstate = wpa_driver_nl80211_set_operstate,
9263 .set_supp_port = wpa_driver_nl80211_set_supp_port,
9264 .set_country = wpa_driver_nl80211_set_country,
9265 .get_country = wpa_driver_nl80211_get_country,
9266 .set_ap = wpa_driver_nl80211_set_ap,
9267 .set_acl = wpa_driver_nl80211_set_acl,
9268 .if_add = wpa_driver_nl80211_if_add,
9269 .if_remove = driver_nl80211_if_remove,
9270 .send_mlme = driver_nl80211_send_mlme,
9271 .get_hw_feature_data = nl80211_get_hw_feature_data,
9272 .sta_add = wpa_driver_nl80211_sta_add,
9273 .sta_remove = driver_nl80211_sta_remove,
9274 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
9275 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
9276 .hapd_init = i802_init,
9277 .hapd_deinit = i802_deinit,
9278 .set_wds_sta = i802_set_wds_sta,
9279 .get_seqnum = i802_get_seqnum,
9280 .flush = i802_flush,
9281 .get_inact_sec = i802_get_inact_sec,
9282 .sta_clear_stats = i802_sta_clear_stats,
9283 .set_rts = i802_set_rts,
9284 .set_frag = i802_set_frag,
9285 .set_tx_queue_params = i802_set_tx_queue_params,
9286 .set_sta_vlan = driver_nl80211_set_sta_vlan,
9287 .sta_deauth = i802_sta_deauth,
9288 .sta_disassoc = i802_sta_disassoc,
9289 .read_sta_data = driver_nl80211_read_sta_data,
9290 .set_freq = i802_set_freq,
9291 .send_action = driver_nl80211_send_action,
9292 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
9293 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
9294 .cancel_remain_on_channel =
9295 wpa_driver_nl80211_cancel_remain_on_channel,
9296 .probe_req_report = driver_nl80211_probe_req_report,
9297 .deinit_ap = wpa_driver_nl80211_deinit_ap,
9298 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
9299 .resume = wpa_driver_nl80211_resume,
9300 .signal_monitor = nl80211_signal_monitor,
9301 .signal_poll = nl80211_signal_poll,
9302 .send_frame = nl80211_send_frame,
9303 .set_param = nl80211_set_param,
9304 .get_radio_name = nl80211_get_radio_name,
9305 .add_pmkid = nl80211_add_pmkid,
9306 .remove_pmkid = nl80211_remove_pmkid,
9307 .flush_pmkid = nl80211_flush_pmkid,
9308 .set_rekey_info = nl80211_set_rekey_info,
9309 .poll_client = nl80211_poll_client,
9310 .set_p2p_powersave = nl80211_set_p2p_powersave,
9311 .start_dfs_cac = nl80211_start_radar_detection,
9312 .stop_ap = wpa_driver_nl80211_stop_ap,
9313 #ifdef CONFIG_TDLS
9314 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
9315 .tdls_oper = nl80211_tdls_oper,
9316 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
9317 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
9318 #endif /* CONFIG_TDLS */
9319 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
9320 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
9321 .get_survey = wpa_driver_nl80211_get_survey,
9322 .status = wpa_driver_nl80211_status,
9323 .switch_channel = nl80211_switch_channel,
9324 #ifdef ANDROID_P2P
9325 .set_noa = wpa_driver_set_p2p_noa,
9326 .get_noa = wpa_driver_get_p2p_noa,
9327 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
9328 #endif /* ANDROID_P2P */
9329 #ifdef ANDROID
9330 #ifndef ANDROID_LIB_STUB
9331 .driver_cmd = wpa_driver_nl80211_driver_cmd,
9332 #endif /* !ANDROID_LIB_STUB */
9333 #endif /* ANDROID */
9334 .vendor_cmd = nl80211_vendor_cmd,
9335 .set_qos_map = nl80211_set_qos_map,
9336 .set_wowlan = nl80211_set_wowlan,
9337 #ifdef CONFIG_DRIVER_NL80211_QCA
9338 .roaming = nl80211_roaming,
9339 #endif /* CONFIG_DRIVER_NL80211_QCA */
9340 .set_mac_addr = nl80211_set_mac_addr,
9341 #ifdef CONFIG_MESH
9342 .init_mesh = wpa_driver_nl80211_init_mesh,
9343 .join_mesh = wpa_driver_nl80211_join_mesh,
9344 .leave_mesh = wpa_driver_nl80211_leave_mesh,
9345 #endif /* CONFIG_MESH */
9346 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
9347 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
9348 .br_port_set_attr = wpa_driver_br_port_set_attr,
9349 .br_set_net_param = wpa_driver_br_set_net_param,
9350 .add_tx_ts = nl80211_add_ts,
9351 .del_tx_ts = nl80211_del_ts,
9352 .get_ifindex = nl80211_get_ifindex,
9353 #ifdef CONFIG_DRIVER_NL80211_QCA
9354 .do_acs = wpa_driver_do_acs,
9355 .set_band = nl80211_set_band,
9356 .get_pref_freq_list = nl80211_get_pref_freq_list,
9357 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
9358 #endif /* CONFIG_DRIVER_NL80211_QCA */
9359 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
9360 .get_ext_capab = nl80211_get_ext_capab,
9361 };
Unnamed repository; edit this file 'description' to name the repository.