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[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 "common/wpa_common.h"
33 #include "l2_packet/l2_packet.h"
34 #include "netlink.h"
35 #include "linux_defines.h"
36 #include "linux_ioctl.h"
37 #include "radiotap.h"
38 #include "radiotap_iter.h"
39 #include "rfkill.h"
40 #include "driver_nl80211.h"
41
42
43 #ifndef NETLINK_CAP_ACK
44 #define NETLINK_CAP_ACK 10
45 #endif /* NETLINK_CAP_ACK */
46 /* support for extack if compilation headers are too old */
47 #ifndef NETLINK_EXT_ACK
48 #define NETLINK_EXT_ACK 11
49 enum nlmsgerr_attrs {
50 NLMSGERR_ATTR_UNUSED,
51 NLMSGERR_ATTR_MSG,
52 NLMSGERR_ATTR_OFFS,
53 NLMSGERR_ATTR_COOKIE,
54
55 __NLMSGERR_ATTR_MAX,
56 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
57 };
58 #endif
59 #ifndef NLM_F_CAPPED
60 #define NLM_F_CAPPED 0x100
61 #endif
62 #ifndef NLM_F_ACK_TLVS
63 #define NLM_F_ACK_TLVS 0x200
64 #endif
65 #ifndef SOL_NETLINK
66 #define SOL_NETLINK 270
67 #endif
68
69
70 #ifdef ANDROID
71 /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
72 #undef nl_socket_set_nonblocking
73 #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
74
75 #endif /* ANDROID */
76
77
78 static struct nl_sock * nl_create_handle(struct nl_cb *cb, const char *dbg)
79 {
80 struct nl_sock *handle;
81
82 handle = nl_socket_alloc_cb(cb);
83 if (handle == NULL) {
84 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
85 "callbacks (%s)", dbg);
86 return NULL;
87 }
88
89 if (genl_connect(handle)) {
90 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
91 "netlink (%s)", dbg);
92 nl_socket_free(handle);
93 return NULL;
94 }
95
96 return handle;
97 }
98
99
100 static void nl_destroy_handles(struct nl_sock **handle)
101 {
102 if (*handle == NULL)
103 return;
104 nl_socket_free(*handle);
105 *handle = NULL;
106 }
107
108
109 #if __WORDSIZE == 64
110 #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
111 #else
112 #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
113 #endif
114
115 static void nl80211_register_eloop_read(struct nl_sock **handle,
116 eloop_sock_handler handler,
117 void *eloop_data, int persist)
118 {
119 /*
120 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
121 * by default. It is possible to hit that limit in some cases where
122 * operations are blocked, e.g., with a burst of Deauthentication frames
123 * to hostapd and STA entry deletion. Try to increase the buffer to make
124 * this less likely to occur.
125 */
126 int err;
127
128 err = nl_socket_set_buffer_size(*handle, 262144, 0);
129 if (err < 0) {
130 wpa_printf(MSG_DEBUG,
131 "nl80211: Could not set nl_socket RX buffer size: %s",
132 nl_geterror(err));
133 /* continue anyway with the default (smaller) buffer */
134 }
135
136 nl_socket_set_nonblocking(*handle);
137 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
138 eloop_data, *handle);
139 if (!persist)
140 *handle = (void *) (((intptr_t) *handle) ^
141 ELOOP_SOCKET_INVALID);
142 }
143
144
145 static void nl80211_destroy_eloop_handle(struct nl_sock **handle, int persist)
146 {
147 if (!persist)
148 *handle = (void *) (((intptr_t) *handle) ^
149 ELOOP_SOCKET_INVALID);
150 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
151 nl_destroy_handles(handle);
152 }
153
154
155 static void nl80211_global_deinit(void *priv);
156 static void nl80211_check_global(struct nl80211_global *global);
157
158 static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
159 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
160 struct hostapd_freq_params *freq);
161
162 static int
163 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
164 const u8 *set_addr, int first,
165 const char *driver_params);
166 static int nl80211_send_frame_cmd(struct i802_bss *bss,
167 unsigned int freq, unsigned int wait,
168 const u8 *buf, size_t buf_len,
169 int save_cookie,
170 int no_cck, int no_ack, int offchanok,
171 const u16 *csa_offs, size_t csa_offs_len);
172 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
173 int report);
174
175 #define IFIDX_ANY -1
176
177 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
178 int ifidx_reason);
179 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
180 int ifidx_reason);
181 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
182 int ifidx_reason);
183
184 static int nl80211_set_channel(struct i802_bss *bss,
185 struct hostapd_freq_params *freq, int set_chan);
186 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
187 int ifindex, int disabled);
188
189 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
190 int reset_mode);
191
192 static int i802_set_iface_flags(struct i802_bss *bss, int up);
193 static int nl80211_set_param(void *priv, const char *param);
194 #ifdef CONFIG_MESH
195 static int nl80211_put_mesh_config(struct nl_msg *msg,
196 struct wpa_driver_mesh_bss_params *params);
197 #endif /* CONFIG_MESH */
198 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
199 u16 reason);
200
201
202 /* Converts nl80211_chan_width to a common format */
203 enum chan_width convert2width(int width)
204 {
205 switch (width) {
206 case NL80211_CHAN_WIDTH_20_NOHT:
207 return CHAN_WIDTH_20_NOHT;
208 case NL80211_CHAN_WIDTH_20:
209 return CHAN_WIDTH_20;
210 case NL80211_CHAN_WIDTH_40:
211 return CHAN_WIDTH_40;
212 case NL80211_CHAN_WIDTH_80:
213 return CHAN_WIDTH_80;
214 case NL80211_CHAN_WIDTH_80P80:
215 return CHAN_WIDTH_80P80;
216 case NL80211_CHAN_WIDTH_160:
217 return CHAN_WIDTH_160;
218 }
219 return CHAN_WIDTH_UNKNOWN;
220 }
221
222
223 int is_ap_interface(enum nl80211_iftype nlmode)
224 {
225 return nlmode == NL80211_IFTYPE_AP ||
226 nlmode == NL80211_IFTYPE_P2P_GO;
227 }
228
229
230 int is_sta_interface(enum nl80211_iftype nlmode)
231 {
232 return nlmode == NL80211_IFTYPE_STATION ||
233 nlmode == NL80211_IFTYPE_P2P_CLIENT;
234 }
235
236
237 static int is_p2p_net_interface(enum nl80211_iftype nlmode)
238 {
239 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
240 nlmode == NL80211_IFTYPE_P2P_GO;
241 }
242
243
244 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
245 int ifindex)
246 {
247 struct i802_bss *bss;
248
249 for (bss = drv->first_bss; bss; bss = bss->next) {
250 if (bss->ifindex == ifindex)
251 return bss;
252 }
253
254 return NULL;
255 }
256
257
258 static int is_mesh_interface(enum nl80211_iftype nlmode)
259 {
260 return nlmode == NL80211_IFTYPE_MESH_POINT;
261 }
262
263
264 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
265 {
266 if (drv->associated)
267 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
268 drv->associated = 0;
269 os_memset(drv->bssid, 0, ETH_ALEN);
270 drv->first_bss->freq = 0;
271 }
272
273
274 /* nl80211 code */
275 static int ack_handler(struct nl_msg *msg, void *arg)
276 {
277 int *err = arg;
278 *err = 0;
279 return NL_STOP;
280 }
281
282 static int finish_handler(struct nl_msg *msg, void *arg)
283 {
284 int *ret = arg;
285 *ret = 0;
286 return NL_SKIP;
287 }
288
289 static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
290 void *arg)
291 {
292 struct nlmsghdr *nlh = (struct nlmsghdr *) err - 1;
293 int len = nlh->nlmsg_len;
294 struct nlattr *attrs;
295 struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
296 int *ret = arg;
297 int ack_len = sizeof(*nlh) + sizeof(int) + sizeof(*nlh);
298
299 *ret = err->error;
300
301 if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS))
302 return NL_SKIP;
303
304 if (!(nlh->nlmsg_flags & NLM_F_CAPPED))
305 ack_len += err->msg.nlmsg_len - sizeof(*nlh);
306
307 if (len <= ack_len)
308 return NL_STOP;
309
310 attrs = (void *) ((unsigned char *) nlh + ack_len);
311 len -= ack_len;
312
313 nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, len, NULL);
314 if (tb[NLMSGERR_ATTR_MSG]) {
315 len = strnlen((char *) nla_data(tb[NLMSGERR_ATTR_MSG]),
316 nla_len(tb[NLMSGERR_ATTR_MSG]));
317 wpa_printf(MSG_ERROR, "nl80211: kernel reports: %*s",
318 len, (char *) nla_data(tb[NLMSGERR_ATTR_MSG]));
319 }
320
321 return NL_SKIP;
322 }
323
324
325 static int no_seq_check(struct nl_msg *msg, void *arg)
326 {
327 return NL_OK;
328 }
329
330
331 static void nl80211_nlmsg_clear(struct nl_msg *msg)
332 {
333 /*
334 * Clear nlmsg data, e.g., to make sure key material is not left in
335 * heap memory for unnecessarily long time.
336 */
337 if (msg) {
338 struct nlmsghdr *hdr = nlmsg_hdr(msg);
339 void *data = nlmsg_data(hdr);
340 /*
341 * This would use nlmsg_datalen() or the older nlmsg_len() if
342 * only libnl were to maintain a stable API.. Neither will work
343 * with all released versions, so just calculate the length
344 * here.
345 */
346 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
347
348 os_memset(data, 0, len);
349 }
350 }
351
352
353 static int send_and_recv(struct nl80211_global *global,
354 struct nl_sock *nl_handle, struct nl_msg *msg,
355 int (*valid_handler)(struct nl_msg *, void *),
356 void *valid_data)
357 {
358 struct nl_cb *cb;
359 int err = -ENOMEM, opt;
360
361 if (!msg)
362 return -ENOMEM;
363
364 cb = nl_cb_clone(global->nl_cb);
365 if (!cb)
366 goto out;
367
368 /* try to set NETLINK_EXT_ACK to 1, ignoring errors */
369 opt = 1;
370 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
371 NETLINK_EXT_ACK, &opt, sizeof(opt));
372
373 /* try to set NETLINK_CAP_ACK to 1, ignoring errors */
374 opt = 1;
375 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
376 NETLINK_CAP_ACK, &opt, sizeof(opt));
377
378 err = nl_send_auto_complete(nl_handle, msg);
379 if (err < 0) {
380 wpa_printf(MSG_INFO,
381 "nl80211: nl_send_auto_complete() failed: %s",
382 nl_geterror(err));
383 /* Need to convert libnl error code to an errno value. For now,
384 * just hardcode this to EBADF; the real error reason is shown
385 * in that error print above. */
386 err = -EBADF;
387 goto out;
388 }
389
390 err = 1;
391
392 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
393 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
394 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
395
396 if (valid_handler)
397 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
398 valid_handler, valid_data);
399
400 while (err > 0) {
401 int res = nl_recvmsgs(nl_handle, cb);
402
403 if (res == -NLE_DUMP_INTR) {
404 /* Most likely one of the nl80211 dump routines hit a
405 * case where internal results changed while the dump
406 * was being sent. The most common known case for this
407 * is scan results fetching while associated were every
408 * received Beacon frame from the AP may end up
409 * incrementing bss_generation. This
410 * NL80211_CMD_GET_SCAN case tries again in the caller;
411 * other cases (of which there are no known common ones)
412 * will stop and return an error. */
413 wpa_printf(MSG_DEBUG, "nl80211: %s; convert to -EAGAIN",
414 nl_geterror(res));
415 err = -EAGAIN;
416 } else if (res < 0) {
417 wpa_printf(MSG_INFO,
418 "nl80211: %s->nl_recvmsgs failed: %d (%s)",
419 __func__, res, nl_geterror(res));
420 }
421 }
422 out:
423 nl_cb_put(cb);
424 if (!valid_handler && valid_data == (void *) -1)
425 nl80211_nlmsg_clear(msg);
426 nlmsg_free(msg);
427 return err;
428 }
429
430
431 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
432 struct nl_msg *msg,
433 int (*valid_handler)(struct nl_msg *, void *),
434 void *valid_data)
435 {
436 return send_and_recv(drv->global, drv->global->nl, msg,
437 valid_handler, valid_data);
438 }
439
440
441 struct family_data {
442 const char *group;
443 int id;
444 };
445
446
447 static int family_handler(struct nl_msg *msg, void *arg)
448 {
449 struct family_data *res = arg;
450 struct nlattr *tb[CTRL_ATTR_MAX + 1];
451 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
452 struct nlattr *mcgrp;
453 int i;
454
455 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
456 genlmsg_attrlen(gnlh, 0), NULL);
457 if (!tb[CTRL_ATTR_MCAST_GROUPS])
458 return NL_SKIP;
459
460 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
461 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
462 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
463 nla_len(mcgrp), NULL);
464 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
465 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
466 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
467 res->group,
468 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
469 continue;
470 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
471 break;
472 };
473
474 return NL_SKIP;
475 }
476
477
478 static int nl_get_multicast_id(struct nl80211_global *global,
479 const char *family, const char *group)
480 {
481 struct nl_msg *msg;
482 int ret;
483 struct family_data res = { group, -ENOENT };
484
485 msg = nlmsg_alloc();
486 if (!msg)
487 return -ENOMEM;
488 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
489 0, 0, CTRL_CMD_GETFAMILY, 0) ||
490 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
491 nlmsg_free(msg);
492 return -1;
493 }
494
495 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
496 if (ret == 0)
497 ret = res.id;
498 return ret;
499 }
500
501
502 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
503 struct nl_msg *msg, int flags, uint8_t cmd)
504 {
505 if (TEST_FAIL())
506 return NULL;
507 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
508 0, flags, cmd, 0);
509 }
510
511
512 static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
513 {
514 if (bss->wdev_id_set)
515 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
516 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
517 }
518
519
520 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
521 {
522 struct nl_msg *msg;
523
524 msg = nlmsg_alloc();
525 if (!msg)
526 return NULL;
527
528 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
529 nl80211_set_iface_id(msg, bss) < 0) {
530 nlmsg_free(msg);
531 return NULL;
532 }
533
534 return msg;
535 }
536
537
538 static struct nl_msg *
539 nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
540 int flags, uint8_t cmd)
541 {
542 struct nl_msg *msg;
543
544 msg = nlmsg_alloc();
545 if (!msg)
546 return NULL;
547
548 if (!nl80211_cmd(drv, msg, flags, cmd) ||
549 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
550 nlmsg_free(msg);
551 return NULL;
552 }
553
554 return msg;
555 }
556
557
558 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
559 uint8_t cmd)
560 {
561 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
562 }
563
564
565 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
566 {
567 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
568 }
569
570
571 struct wiphy_idx_data {
572 int wiphy_idx;
573 enum nl80211_iftype nlmode;
574 u8 *macaddr;
575 };
576
577
578 static int netdev_info_handler(struct nl_msg *msg, void *arg)
579 {
580 struct nlattr *tb[NL80211_ATTR_MAX + 1];
581 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
582 struct wiphy_idx_data *info = arg;
583
584 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
585 genlmsg_attrlen(gnlh, 0), NULL);
586
587 if (tb[NL80211_ATTR_WIPHY])
588 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
589
590 if (tb[NL80211_ATTR_IFTYPE])
591 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
592
593 if (tb[NL80211_ATTR_MAC] && info->macaddr)
594 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
595 ETH_ALEN);
596
597 return NL_SKIP;
598 }
599
600
601 int nl80211_get_wiphy_index(struct i802_bss *bss)
602 {
603 struct nl_msg *msg;
604 struct wiphy_idx_data data = {
605 .wiphy_idx = -1,
606 .macaddr = NULL,
607 };
608
609 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
610 return -1;
611
612 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
613 return data.wiphy_idx;
614 return -1;
615 }
616
617
618 static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
619 {
620 struct nl_msg *msg;
621 struct wiphy_idx_data data = {
622 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
623 .macaddr = NULL,
624 };
625
626 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
627 return NL80211_IFTYPE_UNSPECIFIED;
628
629 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
630 return data.nlmode;
631 return NL80211_IFTYPE_UNSPECIFIED;
632 }
633
634
635 static int nl80211_get_macaddr(struct i802_bss *bss)
636 {
637 struct nl_msg *msg;
638 struct wiphy_idx_data data = {
639 .macaddr = bss->addr,
640 };
641
642 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
643 return -1;
644
645 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
646 }
647
648
649 static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
650 struct nl80211_wiphy_data *w)
651 {
652 struct nl_msg *msg;
653 int ret;
654
655 msg = nlmsg_alloc();
656 if (!msg)
657 return -1;
658
659 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
660 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
661 nlmsg_free(msg);
662 return -1;
663 }
664
665 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
666 if (ret) {
667 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
668 "failed: ret=%d (%s)",
669 ret, strerror(-ret));
670 }
671 return ret;
672 }
673
674
675 static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
676 {
677 struct nl80211_wiphy_data *w = eloop_ctx;
678 int res;
679
680 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
681
682 res = nl_recvmsgs(handle, w->nl_cb);
683 if (res < 0) {
684 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
685 __func__, res);
686 }
687 }
688
689
690 static int process_beacon_event(struct nl_msg *msg, void *arg)
691 {
692 struct nl80211_wiphy_data *w = arg;
693 struct wpa_driver_nl80211_data *drv;
694 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
695 struct nlattr *tb[NL80211_ATTR_MAX + 1];
696 union wpa_event_data event;
697
698 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
699 genlmsg_attrlen(gnlh, 0), NULL);
700
701 if (gnlh->cmd != NL80211_CMD_FRAME) {
702 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
703 gnlh->cmd);
704 return NL_SKIP;
705 }
706
707 if (!tb[NL80211_ATTR_FRAME])
708 return NL_SKIP;
709
710 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
711 wiphy_list) {
712 os_memset(&event, 0, sizeof(event));
713 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
714 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
715 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
716 }
717
718 return NL_SKIP;
719 }
720
721
722 static struct nl80211_wiphy_data *
723 nl80211_get_wiphy_data_ap(struct i802_bss *bss)
724 {
725 static DEFINE_DL_LIST(nl80211_wiphys);
726 struct nl80211_wiphy_data *w;
727 int wiphy_idx, found = 0;
728 struct i802_bss *tmp_bss;
729 u8 channel;
730
731 if (bss->wiphy_data != NULL)
732 return bss->wiphy_data;
733
734 wiphy_idx = nl80211_get_wiphy_index(bss);
735
736 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
737 if (w->wiphy_idx == wiphy_idx)
738 goto add;
739 }
740
741 /* alloc new one */
742 w = os_zalloc(sizeof(*w));
743 if (w == NULL)
744 return NULL;
745 w->wiphy_idx = wiphy_idx;
746 dl_list_init(&w->bsss);
747 dl_list_init(&w->drvs);
748
749 /* Beacon frames not supported in IEEE 802.11ad */
750 if (ieee80211_freq_to_chan(bss->freq, &channel) !=
751 HOSTAPD_MODE_IEEE80211AD) {
752 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
753 if (!w->nl_cb) {
754 os_free(w);
755 return NULL;
756 }
757 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
758 no_seq_check, NULL);
759 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
760 process_beacon_event, w);
761
762 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
763 "wiphy beacons");
764 if (w->nl_beacons == NULL) {
765 os_free(w);
766 return NULL;
767 }
768
769 if (nl80211_register_beacons(bss->drv, w)) {
770 nl_destroy_handles(&w->nl_beacons);
771 os_free(w);
772 return NULL;
773 }
774
775 nl80211_register_eloop_read(&w->nl_beacons,
776 nl80211_recv_beacons, w, 0);
777 }
778
779 dl_list_add(&nl80211_wiphys, &w->list);
780
781 add:
782 /* drv entry for this bss already there? */
783 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
784 if (tmp_bss->drv == bss->drv) {
785 found = 1;
786 break;
787 }
788 }
789 /* if not add it */
790 if (!found)
791 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
792
793 dl_list_add(&w->bsss, &bss->wiphy_list);
794 bss->wiphy_data = w;
795 return w;
796 }
797
798
799 static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
800 {
801 struct nl80211_wiphy_data *w = bss->wiphy_data;
802 struct i802_bss *tmp_bss;
803 int found = 0;
804
805 if (w == NULL)
806 return;
807 bss->wiphy_data = NULL;
808 dl_list_del(&bss->wiphy_list);
809
810 /* still any for this drv present? */
811 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
812 if (tmp_bss->drv == bss->drv) {
813 found = 1;
814 break;
815 }
816 }
817 /* if not remove it */
818 if (!found)
819 dl_list_del(&bss->drv->wiphy_list);
820
821 if (!dl_list_empty(&w->bsss))
822 return;
823
824 if (w->nl_beacons)
825 nl80211_destroy_eloop_handle(&w->nl_beacons, 0);
826
827 nl_cb_put(w->nl_cb);
828 dl_list_del(&w->list);
829 os_free(w);
830 }
831
832
833 static unsigned int nl80211_get_ifindex(void *priv)
834 {
835 struct i802_bss *bss = priv;
836 struct wpa_driver_nl80211_data *drv = bss->drv;
837
838 return drv->ifindex;
839 }
840
841
842 static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
843 {
844 struct i802_bss *bss = priv;
845 struct wpa_driver_nl80211_data *drv = bss->drv;
846 if (!drv->associated)
847 return -1;
848 os_memcpy(bssid, drv->bssid, ETH_ALEN);
849 return 0;
850 }
851
852
853 static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
854 {
855 struct i802_bss *bss = priv;
856 struct wpa_driver_nl80211_data *drv = bss->drv;
857 if (!drv->associated)
858 return -1;
859 os_memcpy(ssid, drv->ssid, drv->ssid_len);
860 return drv->ssid_len;
861 }
862
863
864 static void wpa_driver_nl80211_event_newlink(
865 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
866 int ifindex, const char *ifname)
867 {
868 union wpa_event_data event;
869
870 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
871 if (if_nametoindex(drv->first_bss->ifname) == 0) {
872 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
873 drv->first_bss->ifname);
874 return;
875 }
876 if (!drv->if_removed)
877 return;
878 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
879 drv->first_bss->ifname);
880 drv->if_removed = 0;
881 }
882
883 os_memset(&event, 0, sizeof(event));
884 event.interface_status.ifindex = ifindex;
885 os_strlcpy(event.interface_status.ifname, ifname,
886 sizeof(event.interface_status.ifname));
887 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
888 if (drv)
889 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
890 else
891 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
892 &event);
893 }
894
895
896 static void wpa_driver_nl80211_event_dellink(
897 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
898 int ifindex, const char *ifname)
899 {
900 union wpa_event_data event;
901
902 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
903 if (drv->if_removed) {
904 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
905 ifname);
906 return;
907 }
908 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
909 ifname);
910 drv->if_removed = 1;
911 } else {
912 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
913 ifname);
914 }
915
916 os_memset(&event, 0, sizeof(event));
917 event.interface_status.ifindex = ifindex;
918 os_strlcpy(event.interface_status.ifname, ifname,
919 sizeof(event.interface_status.ifname));
920 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
921 if (drv)
922 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
923 else
924 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
925 &event);
926 }
927
928
929 static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
930 u8 *buf, size_t len)
931 {
932 int attrlen, rta_len;
933 struct rtattr *attr;
934
935 attrlen = len;
936 attr = (struct rtattr *) buf;
937
938 rta_len = RTA_ALIGN(sizeof(struct rtattr));
939 while (RTA_OK(attr, attrlen)) {
940 if (attr->rta_type == IFLA_IFNAME) {
941 if (os_strcmp(((char *) attr) + rta_len,
942 drv->first_bss->ifname) == 0)
943 return 1;
944 else
945 break;
946 }
947 attr = RTA_NEXT(attr, attrlen);
948 }
949
950 return 0;
951 }
952
953
954 static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
955 int ifindex, u8 *buf, size_t len)
956 {
957 if (drv->ifindex == ifindex)
958 return 1;
959
960 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
961 nl80211_check_global(drv->global);
962 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
963 "interface");
964 if (wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL) < 0)
965 return -1;
966 return 1;
967 }
968
969 return 0;
970 }
971
972
973 static struct wpa_driver_nl80211_data *
974 nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len,
975 int *init_failed)
976 {
977 struct wpa_driver_nl80211_data *drv;
978 int res;
979
980 if (init_failed)
981 *init_failed = 0;
982 dl_list_for_each(drv, &global->interfaces,
983 struct wpa_driver_nl80211_data, list) {
984 res = wpa_driver_nl80211_own_ifindex(drv, idx, buf, len);
985 if (res < 0) {
986 wpa_printf(MSG_DEBUG,
987 "nl80211: Found matching own interface, but failed to complete reinitialization");
988 if (init_failed)
989 *init_failed = 1;
990 return drv;
991 }
992 if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY))
993 return drv;
994 }
995 return NULL;
996 }
997
998
999 static void nl80211_refresh_mac(struct wpa_driver_nl80211_data *drv,
1000 int ifindex, int notify)
1001 {
1002 struct i802_bss *bss;
1003 u8 addr[ETH_ALEN];
1004
1005 bss = get_bss_ifindex(drv, ifindex);
1006 if (bss &&
1007 linux_get_ifhwaddr(drv->global->ioctl_sock,
1008 bss->ifname, addr) < 0) {
1009 wpa_printf(MSG_DEBUG,
1010 "nl80211: %s: failed to re-read MAC address",
1011 bss->ifname);
1012 } else if (bss && os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1013 wpa_printf(MSG_DEBUG,
1014 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1015 MACSTR " to " MACSTR,
1016 ifindex, bss->ifname,
1017 MAC2STR(bss->addr), MAC2STR(addr));
1018 os_memcpy(bss->addr, addr, ETH_ALEN);
1019 if (notify)
1020 wpa_supplicant_event(drv->ctx,
1021 EVENT_INTERFACE_MAC_CHANGED, NULL);
1022 }
1023 }
1024
1025
1026 static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1027 struct ifinfomsg *ifi,
1028 u8 *buf, size_t len)
1029 {
1030 struct nl80211_global *global = ctx;
1031 struct wpa_driver_nl80211_data *drv;
1032 int attrlen;
1033 struct rtattr *attr;
1034 u32 brid = 0;
1035 char namebuf[IFNAMSIZ];
1036 char ifname[IFNAMSIZ + 1];
1037 char extra[100], *pos, *end;
1038 int init_failed;
1039
1040 extra[0] = '\0';
1041 pos = extra;
1042 end = pos + sizeof(extra);
1043 ifname[0] = '\0';
1044
1045 attrlen = len;
1046 attr = (struct rtattr *) buf;
1047 while (RTA_OK(attr, attrlen)) {
1048 switch (attr->rta_type) {
1049 case IFLA_IFNAME:
1050 if (RTA_PAYLOAD(attr) > IFNAMSIZ)
1051 break;
1052 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1053 ifname[RTA_PAYLOAD(attr)] = '\0';
1054 break;
1055 case IFLA_MASTER:
1056 brid = nla_get_u32((struct nlattr *) attr);
1057 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1058 break;
1059 case IFLA_WIRELESS:
1060 pos += os_snprintf(pos, end - pos, " wext");
1061 break;
1062 case IFLA_OPERSTATE:
1063 pos += os_snprintf(pos, end - pos, " operstate=%u",
1064 nla_get_u32((struct nlattr *) attr));
1065 break;
1066 case IFLA_LINKMODE:
1067 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1068 nla_get_u32((struct nlattr *) attr));
1069 break;
1070 }
1071 attr = RTA_NEXT(attr, attrlen);
1072 }
1073 extra[sizeof(extra) - 1] = '\0';
1074
1075 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1076 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1077 ifi->ifi_flags,
1078 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1079 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1080 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1081 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1082
1083 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, &init_failed);
1084 if (!drv)
1085 goto event_newlink;
1086 if (init_failed)
1087 return; /* do not update interface state */
1088
1089 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
1090 namebuf[0] = '\0';
1091 if (if_indextoname(ifi->ifi_index, namebuf) &&
1092 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
1093 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1094 "event since interface %s is up", namebuf);
1095 drv->ignore_if_down_event = 0;
1096 /* Re-read MAC address as it may have changed */
1097 nl80211_refresh_mac(drv, ifi->ifi_index, 1);
1098 return;
1099 }
1100 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
1101 namebuf, ifname);
1102 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1103 wpa_printf(MSG_DEBUG,
1104 "nl80211: Not the main interface (%s) - do not indicate interface down",
1105 drv->first_bss->ifname);
1106 } else if (drv->ignore_if_down_event) {
1107 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1108 "event generated by mode change");
1109 drv->ignore_if_down_event = 0;
1110 } else {
1111 drv->if_disabled = 1;
1112 wpa_supplicant_event(drv->ctx,
1113 EVENT_INTERFACE_DISABLED, NULL);
1114
1115 /*
1116 * Try to get drv again, since it may be removed as
1117 * part of the EVENT_INTERFACE_DISABLED handling for
1118 * dynamic interfaces
1119 */
1120 drv = nl80211_find_drv(global, ifi->ifi_index,
1121 buf, len, NULL);
1122 if (!drv)
1123 return;
1124 }
1125 }
1126
1127 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
1128 namebuf[0] = '\0';
1129 if (if_indextoname(ifi->ifi_index, namebuf) &&
1130 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
1131 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1132 "event since interface %s is down",
1133 namebuf);
1134 return;
1135 }
1136 wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)",
1137 namebuf, ifname);
1138 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1139 wpa_printf(MSG_DEBUG,
1140 "nl80211: Not the main interface (%s) - do not indicate interface up",
1141 drv->first_bss->ifname);
1142 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
1143 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1144 "event since interface %s does not exist",
1145 drv->first_bss->ifname);
1146 } else if (drv->if_removed) {
1147 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1148 "event since interface %s is marked "
1149 "removed", drv->first_bss->ifname);
1150 } else {
1151 /* Re-read MAC address as it may have changed */
1152 nl80211_refresh_mac(drv, ifi->ifi_index, 0);
1153
1154 drv->if_disabled = 0;
1155 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1156 NULL);
1157 }
1158 }
1159
1160 /*
1161 * Some drivers send the association event before the operup event--in
1162 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1163 * fails. This will hit us when wpa_supplicant does not need to do
1164 * IEEE 802.1X authentication
1165 */
1166 if (drv->operstate == 1 &&
1167 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1168 !(ifi->ifi_flags & IFF_RUNNING)) {
1169 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
1170 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
1171 -1, IF_OPER_UP);
1172 }
1173
1174 event_newlink:
1175 if (ifname[0])
1176 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1177 ifname);
1178
1179 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1180 struct i802_bss *bss;
1181
1182 /* device has been added to bridge */
1183 if (!if_indextoname(brid, namebuf)) {
1184 wpa_printf(MSG_DEBUG,
1185 "nl80211: Could not find bridge ifname for ifindex %u",
1186 brid);
1187 return;
1188 }
1189 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1190 brid, namebuf);
1191 add_ifidx(drv, brid, ifi->ifi_index);
1192
1193 for (bss = drv->first_bss; bss; bss = bss->next) {
1194 if (os_strcmp(ifname, bss->ifname) == 0) {
1195 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1196 break;
1197 }
1198 }
1199 }
1200 }
1201
1202
1203 static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1204 struct ifinfomsg *ifi,
1205 u8 *buf, size_t len)
1206 {
1207 struct nl80211_global *global = ctx;
1208 struct wpa_driver_nl80211_data *drv;
1209 int attrlen;
1210 struct rtattr *attr;
1211 u32 brid = 0;
1212 char ifname[IFNAMSIZ + 1];
1213 char extra[100], *pos, *end;
1214
1215 extra[0] = '\0';
1216 pos = extra;
1217 end = pos + sizeof(extra);
1218 ifname[0] = '\0';
1219
1220 attrlen = len;
1221 attr = (struct rtattr *) buf;
1222 while (RTA_OK(attr, attrlen)) {
1223 switch (attr->rta_type) {
1224 case IFLA_IFNAME:
1225 if (RTA_PAYLOAD(attr) > IFNAMSIZ)
1226 break;
1227 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1228 ifname[RTA_PAYLOAD(attr)] = '\0';
1229 break;
1230 case IFLA_MASTER:
1231 brid = nla_get_u32((struct nlattr *) attr);
1232 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1233 break;
1234 case IFLA_OPERSTATE:
1235 pos += os_snprintf(pos, end - pos, " operstate=%u",
1236 nla_get_u32((struct nlattr *) attr));
1237 break;
1238 case IFLA_LINKMODE:
1239 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1240 nla_get_u32((struct nlattr *) attr));
1241 break;
1242 }
1243 attr = RTA_NEXT(attr, attrlen);
1244 }
1245 extra[sizeof(extra) - 1] = '\0';
1246
1247 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1248 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1249 ifi->ifi_flags,
1250 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1251 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1252 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1253 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1254
1255 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, NULL);
1256
1257 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1258 /* device has been removed from bridge */
1259 char namebuf[IFNAMSIZ];
1260
1261 if (!if_indextoname(brid, namebuf)) {
1262 wpa_printf(MSG_DEBUG,
1263 "nl80211: Could not find bridge ifname for ifindex %u",
1264 brid);
1265 } else {
1266 wpa_printf(MSG_DEBUG,
1267 "nl80211: Remove ifindex %u for bridge %s",
1268 brid, namebuf);
1269 }
1270 del_ifidx(drv, brid, ifi->ifi_index);
1271 }
1272
1273 if (ifi->ifi_family != AF_BRIDGE || !brid)
1274 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1275 ifname);
1276 }
1277
1278
1279 struct nl80211_get_assoc_freq_arg {
1280 struct wpa_driver_nl80211_data *drv;
1281 unsigned int assoc_freq;
1282 unsigned int ibss_freq;
1283 u8 assoc_bssid[ETH_ALEN];
1284 u8 assoc_ssid[SSID_MAX_LEN];
1285 u8 assoc_ssid_len;
1286 };
1287
1288 static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg)
1289 {
1290 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1291 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1292 struct nlattr *bss[NL80211_BSS_MAX + 1];
1293 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
1294 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
1295 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
1296 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
1297 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
1298 };
1299 struct nl80211_get_assoc_freq_arg *ctx = arg;
1300 enum nl80211_bss_status status;
1301
1302 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1303 genlmsg_attrlen(gnlh, 0), NULL);
1304 if (!tb[NL80211_ATTR_BSS] ||
1305 nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
1306 bss_policy) ||
1307 !bss[NL80211_BSS_STATUS])
1308 return NL_SKIP;
1309
1310 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
1311 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1312 bss[NL80211_BSS_FREQUENCY]) {
1313 ctx->assoc_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1314 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
1315 ctx->assoc_freq);
1316 }
1317 if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
1318 bss[NL80211_BSS_FREQUENCY]) {
1319 ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1320 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
1321 ctx->ibss_freq);
1322 }
1323 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1324 bss[NL80211_BSS_BSSID]) {
1325 os_memcpy(ctx->assoc_bssid,
1326 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
1327 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
1328 MACSTR, MAC2STR(ctx->assoc_bssid));
1329 }
1330
1331 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1332 bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
1333 const u8 *ie, *ssid;
1334 size_t ie_len;
1335
1336 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1337 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1338 ssid = get_ie(ie, ie_len, WLAN_EID_SSID);
1339 if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) {
1340 ctx->assoc_ssid_len = ssid[1];
1341 os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]);
1342 }
1343 }
1344
1345 return NL_SKIP;
1346 }
1347
1348
1349 int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid)
1350 {
1351 struct nl_msg *msg;
1352 int ret;
1353 struct nl80211_get_assoc_freq_arg arg;
1354 int count = 0;
1355
1356 try_again:
1357 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1358 os_memset(&arg, 0, sizeof(arg));
1359 arg.drv = drv;
1360 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1361 &arg);
1362 if (ret == -EAGAIN) {
1363 count++;
1364 if (count >= 10) {
1365 wpa_printf(MSG_INFO,
1366 "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid");
1367 } else {
1368 wpa_printf(MSG_DEBUG,
1369 "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid - try again");
1370 goto try_again;
1371 }
1372 }
1373 if (ret == 0) {
1374 os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len);
1375 return arg.assoc_ssid_len;
1376 }
1377 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)",
1378 ret, strerror(-ret));
1379 return ret;
1380 }
1381
1382
1383 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1384 {
1385 struct nl_msg *msg;
1386 int ret;
1387 struct nl80211_get_assoc_freq_arg arg;
1388 int count = 0;
1389
1390 try_again:
1391 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1392 os_memset(&arg, 0, sizeof(arg));
1393 arg.drv = drv;
1394 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1395 &arg);
1396 if (ret == -EAGAIN) {
1397 count++;
1398 if (count >= 10) {
1399 wpa_printf(MSG_INFO,
1400 "nl80211: Failed to receive consistent scan result dump for get_assoc_freq");
1401 } else {
1402 wpa_printf(MSG_DEBUG,
1403 "nl80211: Failed to receive consistent scan result dump for get_assoc_freq - try again");
1404 goto try_again;
1405 }
1406 }
1407 if (ret == 0) {
1408 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1409 arg.ibss_freq : arg.assoc_freq;
1410 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1411 "associated BSS from scan results: %u MHz", freq);
1412 if (freq)
1413 drv->assoc_freq = freq;
1414 return drv->assoc_freq;
1415 }
1416 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1417 "(%s)", ret, strerror(-ret));
1418 return drv->assoc_freq;
1419 }
1420
1421
1422 static int get_link_signal(struct nl_msg *msg, void *arg)
1423 {
1424 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1425 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1426 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1427 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1428 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
1429 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
1430 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
1431 };
1432 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1433 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1434 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1435 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1436 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1437 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1438 };
1439 struct wpa_signal_info *sig_change = arg;
1440
1441 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1442 genlmsg_attrlen(gnlh, 0), NULL);
1443 if (!tb[NL80211_ATTR_STA_INFO] ||
1444 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1445 tb[NL80211_ATTR_STA_INFO], policy))
1446 return NL_SKIP;
1447 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1448 return NL_SKIP;
1449
1450 sig_change->current_signal =
1451 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1452
1453 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1454 sig_change->avg_signal =
1455 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1456 else
1457 sig_change->avg_signal = 0;
1458
1459 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1460 sig_change->avg_beacon_signal =
1461 (s8)
1462 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1463 else
1464 sig_change->avg_beacon_signal = 0;
1465
1466 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1467 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1468 sinfo[NL80211_STA_INFO_TX_BITRATE],
1469 rate_policy)) {
1470 sig_change->current_txrate = 0;
1471 } else {
1472 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1473 sig_change->current_txrate =
1474 nla_get_u16(rinfo[
1475 NL80211_RATE_INFO_BITRATE]) * 100;
1476 }
1477 }
1478 }
1479
1480 return NL_SKIP;
1481 }
1482
1483
1484 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1485 struct wpa_signal_info *sig)
1486 {
1487 struct nl_msg *msg;
1488
1489 sig->current_signal = -WPA_INVALID_NOISE;
1490 sig->current_txrate = 0;
1491
1492 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
1493 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1494 nlmsg_free(msg);
1495 return -ENOBUFS;
1496 }
1497
1498 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
1499 }
1500
1501
1502 static int get_link_noise(struct nl_msg *msg, void *arg)
1503 {
1504 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1505 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1506 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1507 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1508 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1509 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1510 };
1511 struct wpa_signal_info *sig_change = arg;
1512
1513 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1514 genlmsg_attrlen(gnlh, 0), NULL);
1515
1516 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1517 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1518 return NL_SKIP;
1519 }
1520
1521 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1522 tb[NL80211_ATTR_SURVEY_INFO],
1523 survey_policy)) {
1524 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1525 "attributes!");
1526 return NL_SKIP;
1527 }
1528
1529 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1530 return NL_SKIP;
1531
1532 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1533 sig_change->frequency)
1534 return NL_SKIP;
1535
1536 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1537 return NL_SKIP;
1538
1539 sig_change->current_noise =
1540 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1541
1542 return NL_SKIP;
1543 }
1544
1545
1546 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1547 struct wpa_signal_info *sig_change)
1548 {
1549 struct nl_msg *msg;
1550
1551 sig_change->current_noise = WPA_INVALID_NOISE;
1552 sig_change->frequency = drv->assoc_freq;
1553
1554 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
1555 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
1556 }
1557
1558
1559 static int get_channel_info(struct nl_msg *msg, void *arg)
1560 {
1561 struct nlattr *tb[NL80211_ATTR_MAX + 1] = { 0 };
1562 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1563 struct wpa_channel_info *chan_info = arg;
1564
1565 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1566 genlmsg_attrlen(gnlh, 0), NULL);
1567
1568 os_memset(chan_info, 0, sizeof(struct wpa_channel_info));
1569 chan_info->chanwidth = CHAN_WIDTH_UNKNOWN;
1570
1571 if (tb[NL80211_ATTR_WIPHY_FREQ])
1572 chan_info->frequency =
1573 nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1574 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1575 chan_info->chanwidth = convert2width(
1576 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
1577 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1578 enum nl80211_channel_type ct =
1579 nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1580
1581 switch (ct) {
1582 case NL80211_CHAN_HT40MINUS:
1583 chan_info->sec_channel = -1;
1584 break;
1585 case NL80211_CHAN_HT40PLUS:
1586 chan_info->sec_channel = 1;
1587 break;
1588 default:
1589 chan_info->sec_channel = 0;
1590 break;
1591 }
1592 }
1593 if (tb[NL80211_ATTR_CENTER_FREQ1])
1594 chan_info->center_frq1 =
1595 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1596 if (tb[NL80211_ATTR_CENTER_FREQ2])
1597 chan_info->center_frq2 =
1598 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1599
1600 if (chan_info->center_frq2) {
1601 u8 seg1_idx = 0;
1602
1603 if (ieee80211_freq_to_chan(chan_info->center_frq2, &seg1_idx) !=
1604 NUM_HOSTAPD_MODES)
1605 chan_info->seg1_idx = seg1_idx;
1606 }
1607
1608 return NL_SKIP;
1609 }
1610
1611
1612 static int nl80211_channel_info(void *priv, struct wpa_channel_info *ci)
1613 {
1614 struct i802_bss *bss = priv;
1615 struct wpa_driver_nl80211_data *drv = bss->drv;
1616 struct nl_msg *msg;
1617
1618 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
1619 return send_and_recv_msgs(drv, msg, get_channel_info, ci);
1620 }
1621
1622
1623 static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
1624 void *handle)
1625 {
1626 struct nl_cb *cb = eloop_ctx;
1627 int res;
1628
1629 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
1630
1631 res = nl_recvmsgs(handle, cb);
1632 if (res < 0) {
1633 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1634 __func__, res);
1635 }
1636 }
1637
1638
1639 /**
1640 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1641 * @priv: driver_nl80211 private data
1642 * @alpha2_arg: country to which to switch to
1643 * Returns: 0 on success, -1 on failure
1644 *
1645 * This asks nl80211 to set the regulatory domain for given
1646 * country ISO / IEC alpha2.
1647 */
1648 static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1649 {
1650 struct i802_bss *bss = priv;
1651 struct wpa_driver_nl80211_data *drv = bss->drv;
1652 char alpha2[3];
1653 struct nl_msg *msg;
1654
1655 msg = nlmsg_alloc();
1656 if (!msg)
1657 return -ENOMEM;
1658
1659 alpha2[0] = alpha2_arg[0];
1660 alpha2[1] = alpha2_arg[1];
1661 alpha2[2] = '\0';
1662
1663 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1664 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1665 nlmsg_free(msg);
1666 return -EINVAL;
1667 }
1668 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1669 return -EINVAL;
1670 return 0;
1671 }
1672
1673
1674 static int nl80211_get_country(struct nl_msg *msg, void *arg)
1675 {
1676 char *alpha2 = arg;
1677 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1678 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1679
1680 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1681 genlmsg_attrlen(gnlh, 0), NULL);
1682 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1683 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1684 return NL_SKIP;
1685 }
1686 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1687 return NL_SKIP;
1688 }
1689
1690
1691 static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1692 {
1693 struct i802_bss *bss = priv;
1694 struct wpa_driver_nl80211_data *drv = bss->drv;
1695 struct nl_msg *msg;
1696 int ret;
1697
1698 msg = nlmsg_alloc();
1699 if (!msg)
1700 return -ENOMEM;
1701
1702 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1703 alpha2[0] = '\0';
1704 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1705 if (!alpha2[0])
1706 ret = -1;
1707
1708 return ret;
1709 }
1710
1711
1712 static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1713 {
1714 int ret;
1715
1716 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1717 if (global->nl_cb == NULL) {
1718 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1719 "callbacks");
1720 return -1;
1721 }
1722
1723 global->nl = nl_create_handle(global->nl_cb, "nl");
1724 if (global->nl == NULL)
1725 goto err;
1726
1727 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
1728 if (global->nl80211_id < 0) {
1729 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1730 "found");
1731 goto err;
1732 }
1733
1734 global->nl_event = nl_create_handle(global->nl_cb, "event");
1735 if (global->nl_event == NULL)
1736 goto err;
1737
1738 ret = nl_get_multicast_id(global, "nl80211", "scan");
1739 if (ret >= 0)
1740 ret = nl_socket_add_membership(global->nl_event, ret);
1741 if (ret < 0) {
1742 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1743 "membership for scan events: %d (%s)",
1744 ret, nl_geterror(ret));
1745 goto err;
1746 }
1747
1748 ret = nl_get_multicast_id(global, "nl80211", "mlme");
1749 if (ret >= 0)
1750 ret = nl_socket_add_membership(global->nl_event, ret);
1751 if (ret < 0) {
1752 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1753 "membership for mlme events: %d (%s)",
1754 ret, nl_geterror(ret));
1755 goto err;
1756 }
1757
1758 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
1759 if (ret >= 0)
1760 ret = nl_socket_add_membership(global->nl_event, ret);
1761 if (ret < 0) {
1762 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1763 "membership for regulatory events: %d (%s)",
1764 ret, nl_geterror(ret));
1765 /* Continue without regulatory events */
1766 }
1767
1768 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1769 if (ret >= 0)
1770 ret = nl_socket_add_membership(global->nl_event, ret);
1771 if (ret < 0) {
1772 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1773 "membership for vendor events: %d (%s)",
1774 ret, nl_geterror(ret));
1775 /* Continue without vendor events */
1776 }
1777
1778 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1779 no_seq_check, NULL);
1780 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1781 process_global_event, global);
1782
1783 nl80211_register_eloop_read(&global->nl_event,
1784 wpa_driver_nl80211_event_receive,
1785 global->nl_cb, 0);
1786
1787 return 0;
1788
1789 err:
1790 nl_destroy_handles(&global->nl_event);
1791 nl_destroy_handles(&global->nl);
1792 nl_cb_put(global->nl_cb);
1793 global->nl_cb = NULL;
1794 return -1;
1795 }
1796
1797
1798 static void nl80211_check_global(struct nl80211_global *global)
1799 {
1800 struct nl_sock *handle;
1801 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1802 int ret;
1803 unsigned int i;
1804
1805 /*
1806 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1807 * and all registration having been cleared.
1808 */
1809 handle = (void *) (((intptr_t) global->nl_event) ^
1810 ELOOP_SOCKET_INVALID);
1811
1812 for (i = 0; groups[i]; i++) {
1813 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1814 if (ret >= 0)
1815 ret = nl_socket_add_membership(handle, ret);
1816 if (ret < 0) {
1817 wpa_printf(MSG_INFO,
1818 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1819 groups[i], ret, nl_geterror(ret));
1820 }
1821 }
1822 }
1823
1824
1825 static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1826 {
1827 struct wpa_driver_nl80211_data *drv = ctx;
1828
1829 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
1830
1831 /*
1832 * rtnetlink ifdown handler will report interfaces other than the P2P
1833 * Device interface as disabled.
1834 */
1835 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1836 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
1837 }
1838
1839
1840 static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1841 {
1842 struct wpa_driver_nl80211_data *drv = ctx;
1843 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
1844 if (i802_set_iface_flags(drv->first_bss, 1)) {
1845 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1846 "after rfkill unblock");
1847 return;
1848 }
1849
1850 if (is_p2p_net_interface(drv->nlmode))
1851 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1852
1853 /*
1854 * rtnetlink ifup handler will report interfaces other than the P2P
1855 * Device interface as enabled.
1856 */
1857 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1858 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
1859 }
1860
1861
1862 static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1863 void *eloop_ctx,
1864 void *handle)
1865 {
1866 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1867 u8 data[2048];
1868 struct msghdr msg;
1869 struct iovec entry;
1870 u8 control[512];
1871 struct cmsghdr *cmsg;
1872 int res, found_ee = 0, found_wifi = 0, acked = 0;
1873 union wpa_event_data event;
1874
1875 memset(&msg, 0, sizeof(msg));
1876 msg.msg_iov = &entry;
1877 msg.msg_iovlen = 1;
1878 entry.iov_base = data;
1879 entry.iov_len = sizeof(data);
1880 msg.msg_control = &control;
1881 msg.msg_controllen = sizeof(control);
1882
1883 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1884 /* if error or not fitting 802.3 header, return */
1885 if (res < 14)
1886 return;
1887
1888 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1889 {
1890 if (cmsg->cmsg_level == SOL_SOCKET &&
1891 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1892 int *ack;
1893
1894 found_wifi = 1;
1895 ack = (void *)CMSG_DATA(cmsg);
1896 acked = *ack;
1897 }
1898
1899 if (cmsg->cmsg_level == SOL_PACKET &&
1900 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1901 struct sock_extended_err *err =
1902 (struct sock_extended_err *)CMSG_DATA(cmsg);
1903
1904 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1905 found_ee = 1;
1906 }
1907 }
1908
1909 if (!found_ee || !found_wifi)
1910 return;
1911
1912 memset(&event, 0, sizeof(event));
1913 event.eapol_tx_status.dst = data;
1914 event.eapol_tx_status.data = data + 14;
1915 event.eapol_tx_status.data_len = res - 14;
1916 event.eapol_tx_status.ack = acked;
1917 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1918 }
1919
1920
1921 static int nl80211_init_bss(struct i802_bss *bss)
1922 {
1923 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1924 if (!bss->nl_cb)
1925 return -1;
1926
1927 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1928 no_seq_check, NULL);
1929 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1930 process_bss_event, bss);
1931
1932 return 0;
1933 }
1934
1935
1936 static void nl80211_destroy_bss(struct i802_bss *bss)
1937 {
1938 nl_cb_put(bss->nl_cb);
1939 bss->nl_cb = NULL;
1940 }
1941
1942
1943 static void
1944 wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1945 {
1946 struct rfkill_config *rcfg;
1947
1948 if (drv->rfkill)
1949 return;
1950
1951 rcfg = os_zalloc(sizeof(*rcfg));
1952 if (!rcfg)
1953 return;
1954
1955 rcfg->ctx = drv;
1956
1957 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1958 * not associated with a netdev, so use the name of some other interface
1959 * sharing the same wiphy as the P2P Device interface.
1960 *
1961 * Note: This is valid, as a P2P Device interface is always dynamically
1962 * created and is created only once another wpa_s interface was added.
1963 */
1964 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1965 struct nl80211_global *global = drv->global;
1966 struct wpa_driver_nl80211_data *tmp1;
1967
1968 dl_list_for_each(tmp1, &global->interfaces,
1969 struct wpa_driver_nl80211_data, list) {
1970 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1971 !tmp1->rfkill)
1972 continue;
1973
1974 wpa_printf(MSG_DEBUG,
1975 "nl80211: Use (%s) to initialize P2P Device rfkill",
1976 tmp1->first_bss->ifname);
1977 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1978 sizeof(rcfg->ifname));
1979 break;
1980 }
1981 } else {
1982 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1983 sizeof(rcfg->ifname));
1984 }
1985
1986 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1987 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1988 drv->rfkill = rfkill_init(rcfg);
1989 if (!drv->rfkill) {
1990 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1991 os_free(rcfg);
1992 }
1993 }
1994
1995
1996 static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1997 void *global_priv, int hostapd,
1998 const u8 *set_addr,
1999 const char *driver_params)
2000 {
2001 struct wpa_driver_nl80211_data *drv;
2002 struct i802_bss *bss;
2003
2004 if (global_priv == NULL)
2005 return NULL;
2006 drv = os_zalloc(sizeof(*drv));
2007 if (drv == NULL)
2008 return NULL;
2009 drv->global = global_priv;
2010 drv->ctx = ctx;
2011 drv->hostapd = !!hostapd;
2012 drv->eapol_sock = -1;
2013
2014 /*
2015 * There is no driver capability flag for this, so assume it is
2016 * supported and disable this on first attempt to use if the driver
2017 * rejects the command due to missing support.
2018 */
2019 drv->set_rekey_offload = 1;
2020
2021 drv->num_if_indices = ARRAY_SIZE(drv->default_if_indices);
2022 drv->if_indices = drv->default_if_indices;
2023
2024 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
2025 if (!drv->first_bss) {
2026 os_free(drv);
2027 return NULL;
2028 }
2029 bss = drv->first_bss;
2030 bss->drv = drv;
2031 bss->ctx = ctx;
2032
2033 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
2034 drv->monitor_ifidx = -1;
2035 drv->monitor_sock = -1;
2036 drv->eapol_tx_sock = -1;
2037 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
2038
2039 if (nl80211_init_bss(bss))
2040 goto failed;
2041
2042 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
2043 goto failed;
2044
2045 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
2046 if (drv->eapol_tx_sock < 0)
2047 goto failed;
2048
2049 if (drv->data_tx_status) {
2050 int enabled = 1;
2051
2052 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
2053 &enabled, sizeof(enabled)) < 0) {
2054 wpa_printf(MSG_DEBUG,
2055 "nl80211: wifi status sockopt failed\n");
2056 drv->data_tx_status = 0;
2057 if (!drv->use_monitor)
2058 drv->capa.flags &=
2059 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
2060 } else {
2061 eloop_register_read_sock(drv->eapol_tx_sock,
2062 wpa_driver_nl80211_handle_eapol_tx_status,
2063 drv, NULL);
2064 }
2065 }
2066
2067 if (drv->global) {
2068 nl80211_check_global(drv->global);
2069 dl_list_add(&drv->global->interfaces, &drv->list);
2070 drv->in_interface_list = 1;
2071 }
2072
2073 return bss;
2074
2075 failed:
2076 wpa_driver_nl80211_deinit(bss);
2077 return NULL;
2078 }
2079
2080
2081 /**
2082 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
2083 * @ctx: context to be used when calling wpa_supplicant functions,
2084 * e.g., wpa_supplicant_event()
2085 * @ifname: interface name, e.g., wlan0
2086 * @global_priv: private driver global data from global_init()
2087 * Returns: Pointer to private data, %NULL on failure
2088 */
2089 static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
2090 void *global_priv)
2091 {
2092 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
2093 NULL);
2094 }
2095
2096
2097 static int nl80211_register_frame(struct i802_bss *bss,
2098 struct nl_sock *nl_handle,
2099 u16 type, const u8 *match, size_t match_len)
2100 {
2101 struct wpa_driver_nl80211_data *drv = bss->drv;
2102 struct nl_msg *msg;
2103 int ret;
2104 char buf[30];
2105
2106 buf[0] = '\0';
2107 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
2108 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
2109 type, fc2str(type), nl_handle, buf);
2110
2111 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_FRAME)) ||
2112 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
2113 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
2114 nlmsg_free(msg);
2115 return -1;
2116 }
2117
2118 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
2119 if (ret) {
2120 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
2121 "failed (type=%u): ret=%d (%s)",
2122 type, ret, strerror(-ret));
2123 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
2124 match, match_len);
2125 }
2126 return ret;
2127 }
2128
2129
2130 static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
2131 {
2132 if (bss->nl_mgmt) {
2133 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
2134 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
2135 return -1;
2136 }
2137
2138 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
2139 if (bss->nl_mgmt == NULL)
2140 return -1;
2141
2142 return 0;
2143 }
2144
2145
2146 static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
2147 {
2148 nl80211_register_eloop_read(&bss->nl_mgmt,
2149 wpa_driver_nl80211_event_receive,
2150 bss->nl_cb, 0);
2151 }
2152
2153
2154 static int nl80211_register_action_frame(struct i802_bss *bss,
2155 const u8 *match, size_t match_len)
2156 {
2157 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
2158 return nl80211_register_frame(bss, bss->nl_mgmt,
2159 type, match, match_len);
2160 }
2161
2162
2163 static int nl80211_init_connect_handle(struct i802_bss *bss)
2164 {
2165 if (bss->nl_connect) {
2166 wpa_printf(MSG_DEBUG,
2167 "nl80211: Connect handle already created (nl_connect=%p)",
2168 bss->nl_connect);
2169 return -1;
2170 }
2171
2172 bss->nl_connect = nl_create_handle(bss->nl_cb, "connect");
2173 if (!bss->nl_connect)
2174 return -1;
2175 nl80211_register_eloop_read(&bss->nl_connect,
2176 wpa_driver_nl80211_event_receive,
2177 bss->nl_cb, 1);
2178 return 0;
2179 }
2180
2181
2182 static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
2183 {
2184 struct wpa_driver_nl80211_data *drv = bss->drv;
2185 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2186 int ret = 0;
2187
2188 if (nl80211_alloc_mgmt_handle(bss))
2189 return -1;
2190 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
2191 "handle %p", bss->nl_mgmt);
2192
2193 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2194 /* register for any AUTH message */
2195 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
2196 } else if ((drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
2197 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
2198 /* register for SAE Authentication frames */
2199 nl80211_register_frame(bss, bss->nl_mgmt, type,
2200 (u8 *) "\x03\x00", 2);
2201 }
2202
2203 #ifdef CONFIG_INTERWORKING
2204 /* QoS Map Configure */
2205 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
2206 ret = -1;
2207 #endif /* CONFIG_INTERWORKING */
2208 #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP)
2209 /* GAS Initial Request */
2210 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
2211 ret = -1;
2212 /* GAS Initial Response */
2213 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
2214 ret = -1;
2215 /* GAS Comeback Request */
2216 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
2217 ret = -1;
2218 /* GAS Comeback Response */
2219 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
2220 ret = -1;
2221 /* Protected GAS Initial Request */
2222 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
2223 ret = -1;
2224 /* Protected GAS Initial Response */
2225 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
2226 ret = -1;
2227 /* Protected GAS Comeback Request */
2228 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
2229 ret = -1;
2230 /* Protected GAS Comeback Response */
2231 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
2232 ret = -1;
2233 #endif /* CONFIG_P2P || CONFIG_INTERWORKING || CONFIG_DPP */
2234 #ifdef CONFIG_P2P
2235 /* P2P Public Action */
2236 if (nl80211_register_action_frame(bss,
2237 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
2238 6) < 0)
2239 ret = -1;
2240 /* P2P Action */
2241 if (nl80211_register_action_frame(bss,
2242 (u8 *) "\x7f\x50\x6f\x9a\x09",
2243 5) < 0)
2244 ret = -1;
2245 #endif /* CONFIG_P2P */
2246 #ifdef CONFIG_DPP
2247 /* DPP Public Action */
2248 if (nl80211_register_action_frame(bss,
2249 (u8 *) "\x04\x09\x50\x6f\x9a\x1a",
2250 6) < 0)
2251 ret = -1;
2252 #endif /* CONFIG_DPP */
2253 #ifdef CONFIG_OCV
2254 /* SA Query Request */
2255 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x00", 2) < 0)
2256 ret = -1;
2257 #endif /* CONFIG_OCV */
2258 /* SA Query Response */
2259 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
2260 ret = -1;
2261 #ifdef CONFIG_TDLS
2262 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
2263 /* TDLS Discovery Response */
2264 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
2265 0)
2266 ret = -1;
2267 }
2268 #endif /* CONFIG_TDLS */
2269 #ifdef CONFIG_FST
2270 /* FST Action frames */
2271 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2272 ret = -1;
2273 #endif /* CONFIG_FST */
2274
2275 /* FT Action frames */
2276 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2277 ret = -1;
2278 else
2279 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
2280 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2281
2282 /* WNM - BSS Transition Management Request */
2283 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
2284 ret = -1;
2285 /* WNM-Sleep Mode Response */
2286 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
2287 ret = -1;
2288 #ifdef CONFIG_WNM
2289 /* WNM - Collocated Interference Request */
2290 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x0b", 2) < 0)
2291 ret = -1;
2292 #endif /* CONFIG_WNM */
2293
2294 #ifdef CONFIG_HS20
2295 /* WNM-Notification */
2296 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
2297 ret = -1;
2298 #endif /* CONFIG_HS20 */
2299
2300 /* WMM-AC ADDTS Response */
2301 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
2302 ret = -1;
2303
2304 /* WMM-AC DELTS */
2305 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
2306 ret = -1;
2307
2308 /* Radio Measurement - Neighbor Report Response */
2309 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
2310 ret = -1;
2311
2312 /* Radio Measurement - Radio Measurement Request */
2313 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2314 ret = -1;
2315
2316 /* Radio Measurement - Link Measurement Request */
2317 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2318 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2319 ret = -1;
2320
2321 nl80211_mgmt_handle_register_eloop(bss);
2322
2323 return ret;
2324 }
2325
2326
2327 static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2328 {
2329 int ret = 0;
2330
2331 if (nl80211_alloc_mgmt_handle(bss))
2332 return -1;
2333
2334 wpa_printf(MSG_DEBUG,
2335 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2336 bss->nl_mgmt);
2337
2338 /* Auth frames for mesh SAE */
2339 if (nl80211_register_frame(bss, bss->nl_mgmt,
2340 (WLAN_FC_TYPE_MGMT << 2) |
2341 (WLAN_FC_STYPE_AUTH << 4),
2342 NULL, 0) < 0)
2343 ret = -1;
2344
2345 /* Mesh peering open */
2346 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2347 ret = -1;
2348 /* Mesh peering confirm */
2349 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2350 ret = -1;
2351 /* Mesh peering close */
2352 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2353 ret = -1;
2354
2355 nl80211_mgmt_handle_register_eloop(bss);
2356
2357 return ret;
2358 }
2359
2360
2361 static int nl80211_register_spurious_class3(struct i802_bss *bss)
2362 {
2363 struct nl_msg *msg;
2364 int ret;
2365
2366 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2367 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
2368 if (ret) {
2369 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2370 "failed: ret=%d (%s)",
2371 ret, strerror(-ret));
2372 }
2373 return ret;
2374 }
2375
2376
2377 static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2378 {
2379 int ret = 0;
2380
2381 /* Public Action frames */
2382 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2383 ret = -1;
2384 /* RRM Measurement Report */
2385 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2386 ret = -1;
2387 /* RRM Link Measurement Report */
2388 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0)
2389 ret = -1;
2390 /* RRM Neighbor Report Request */
2391 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2392 ret = -1;
2393 /* FT Action frames */
2394 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2395 ret = -1;
2396 /* SA Query */
2397 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2398 ret = -1;
2399 /* Protected Dual of Public Action */
2400 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2401 ret = -1;
2402 /* WNM */
2403 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2404 ret = -1;
2405 /* WMM */
2406 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2407 ret = -1;
2408 #ifdef CONFIG_FST
2409 /* FST Action frames */
2410 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2411 ret = -1;
2412 #endif /* CONFIG_FST */
2413 /* Vendor-specific */
2414 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2415 ret = -1;
2416
2417 return ret;
2418 }
2419
2420
2421 static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2422 {
2423 static const int stypes[] = {
2424 WLAN_FC_STYPE_AUTH,
2425 WLAN_FC_STYPE_ASSOC_REQ,
2426 WLAN_FC_STYPE_REASSOC_REQ,
2427 WLAN_FC_STYPE_DISASSOC,
2428 WLAN_FC_STYPE_DEAUTH,
2429 WLAN_FC_STYPE_PROBE_REQ,
2430 /* Beacon doesn't work as mac80211 doesn't currently allow
2431 * it, but it wouldn't really be the right thing anyway as
2432 * it isn't per interface ... maybe just dump the scan
2433 * results periodically for OLBC?
2434 */
2435 /* WLAN_FC_STYPE_BEACON, */
2436 };
2437 unsigned int i;
2438
2439 if (nl80211_alloc_mgmt_handle(bss))
2440 return -1;
2441 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2442 "handle %p", bss->nl_mgmt);
2443
2444 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
2445 if (nl80211_register_frame(bss, bss->nl_mgmt,
2446 (WLAN_FC_TYPE_MGMT << 2) |
2447 (stypes[i] << 4),
2448 NULL, 0) < 0) {
2449 goto out_err;
2450 }
2451 }
2452
2453 if (nl80211_action_subscribe_ap(bss))
2454 goto out_err;
2455
2456 if (nl80211_register_spurious_class3(bss))
2457 goto out_err;
2458
2459 nl80211_mgmt_handle_register_eloop(bss);
2460 return 0;
2461
2462 out_err:
2463 nl_destroy_handles(&bss->nl_mgmt);
2464 return -1;
2465 }
2466
2467
2468 static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2469 {
2470 if (nl80211_alloc_mgmt_handle(bss))
2471 return -1;
2472 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2473 "handle %p (device SME)", bss->nl_mgmt);
2474
2475 if (nl80211_action_subscribe_ap(bss))
2476 goto out_err;
2477
2478 if (bss->drv->device_ap_sme) {
2479 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2480
2481 /* Register for all Authentication frames */
2482 if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0)
2483 < 0)
2484 wpa_printf(MSG_DEBUG,
2485 "nl80211: Failed to subscribe to handle Authentication frames - SAE offload may not work");
2486 }
2487
2488 nl80211_mgmt_handle_register_eloop(bss);
2489 return 0;
2490
2491 out_err:
2492 nl_destroy_handles(&bss->nl_mgmt);
2493 return -1;
2494 }
2495
2496
2497 static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
2498 {
2499 if (bss->nl_mgmt == NULL)
2500 return;
2501 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2502 "(%s)", bss->nl_mgmt, reason);
2503 nl80211_destroy_eloop_handle(&bss->nl_mgmt, 0);
2504
2505 nl80211_put_wiphy_data_ap(bss);
2506 }
2507
2508
2509 static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2510 {
2511 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2512 }
2513
2514
2515 static void nl80211_del_p2pdev(struct i802_bss *bss)
2516 {
2517 struct nl_msg *msg;
2518 int ret;
2519
2520 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2521 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2522
2523 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2524 bss->ifname, (long long unsigned int) bss->wdev_id,
2525 strerror(-ret));
2526 }
2527
2528
2529 static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
2530 {
2531 struct nl_msg *msg;
2532 int ret;
2533
2534 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2535 NL80211_CMD_STOP_P2P_DEVICE);
2536 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2537
2538 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2539 start ? "Start" : "Stop",
2540 bss->ifname, (long long unsigned int) bss->wdev_id,
2541 strerror(-ret));
2542 return ret;
2543 }
2544
2545
2546 static int i802_set_iface_flags(struct i802_bss *bss, int up)
2547 {
2548 enum nl80211_iftype nlmode;
2549
2550 nlmode = nl80211_get_ifmode(bss);
2551 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2552 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2553 bss->ifname, up);
2554 }
2555
2556 /* P2P Device has start/stop which is equivalent */
2557 return nl80211_set_p2pdev(bss, up);
2558 }
2559
2560
2561 #ifdef CONFIG_TESTING_OPTIONS
2562 static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2563 {
2564 /* struct wpa_driver_nl80211_data *drv = arg; */
2565 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2566 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2567
2568
2569 wpa_printf(MSG_DEBUG,
2570 "nl80211: QCA vendor test command response received");
2571
2572 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2573 genlmsg_attrlen(gnlh, 0), NULL);
2574 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2575 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2576 return NL_SKIP;
2577 }
2578
2579 wpa_hexdump(MSG_DEBUG,
2580 "nl80211: Received QCA vendor test command response",
2581 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2582 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2583
2584 return NL_SKIP;
2585 }
2586 #endif /* CONFIG_TESTING_OPTIONS */
2587
2588
2589 static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2590 {
2591 #ifdef CONFIG_TESTING_OPTIONS
2592 struct nl_msg *msg;
2593 struct nlattr *params;
2594 int ret;
2595
2596 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2597 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2598 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2599 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2600 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2601 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2602 nlmsg_free(msg);
2603 return;
2604 }
2605 nla_nest_end(msg, params);
2606
2607 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2608 wpa_printf(MSG_DEBUG,
2609 "nl80211: QCA vendor test command returned %d (%s)",
2610 ret, strerror(-ret));
2611 #endif /* CONFIG_TESTING_OPTIONS */
2612 }
2613
2614
2615 static int
2616 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
2617 const u8 *set_addr, int first,
2618 const char *driver_params)
2619 {
2620 struct i802_bss *bss = drv->first_bss;
2621 int send_rfkill_event = 0;
2622 enum nl80211_iftype nlmode;
2623
2624 drv->ifindex = if_nametoindex(bss->ifname);
2625 bss->ifindex = drv->ifindex;
2626 bss->wdev_id = drv->global->if_add_wdevid;
2627 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2628
2629 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2630 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
2631 drv->global->if_add_wdevid_set = 0;
2632
2633 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2634 bss->static_ap = 1;
2635
2636 if (first &&
2637 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2638 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2639 drv->start_iface_up = 1;
2640
2641 if (wpa_driver_nl80211_capa(drv))
2642 return -1;
2643
2644 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2645 return -1;
2646
2647 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2648 bss->ifname, drv->phyname);
2649
2650 if (set_addr &&
2651 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2652 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2653 set_addr)))
2654 return -1;
2655
2656 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2657 drv->start_mode_ap = 1;
2658
2659 if (drv->hostapd || bss->static_ap)
2660 nlmode = NL80211_IFTYPE_AP;
2661 else if (bss->if_dynamic ||
2662 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
2663 nlmode = nl80211_get_ifmode(bss);
2664 else
2665 nlmode = NL80211_IFTYPE_STATION;
2666
2667 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
2668 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
2669 return -1;
2670 }
2671
2672 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2673 nl80211_get_macaddr(bss);
2674
2675 wpa_driver_nl80211_drv_init_rfkill(drv);
2676
2677 if (!rfkill_is_blocked(drv->rfkill)) {
2678 int ret = i802_set_iface_flags(bss, 1);
2679 if (ret) {
2680 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2681 "interface '%s' UP", bss->ifname);
2682 return ret;
2683 }
2684
2685 if (is_p2p_net_interface(nlmode))
2686 nl80211_disable_11b_rates(bss->drv,
2687 bss->drv->ifindex, 1);
2688
2689 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2690 return ret;
2691 } else {
2692 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2693 "interface '%s' due to rfkill", bss->ifname);
2694 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2695 drv->if_disabled = 1;
2696
2697 send_rfkill_event = 1;
2698 }
2699
2700 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
2701 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2702 1, IF_OPER_DORMANT);
2703
2704 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2705 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2706 bss->addr))
2707 return -1;
2708 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2709 }
2710
2711 if (send_rfkill_event) {
2712 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2713 drv, drv->ctx);
2714 }
2715
2716 if (drv->vendor_cmd_test_avail)
2717 qca_vendor_test(drv);
2718
2719 nl80211_init_connect_handle(bss);
2720
2721 return 0;
2722 }
2723
2724
2725 static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss)
2726 {
2727 struct nl_msg *msg;
2728 struct wpa_driver_nl80211_data *drv = bss->drv;
2729
2730 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2731 drv->ifindex);
2732 nl80211_put_wiphy_data_ap(bss);
2733 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
2734 return send_and_recv_msgs(drv, msg, NULL, NULL);
2735 }
2736
2737
2738 /**
2739 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
2740 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
2741 *
2742 * Shut down driver interface and processing of driver events. Free
2743 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2744 */
2745 static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
2746 {
2747 struct wpa_driver_nl80211_data *drv = bss->drv;
2748 unsigned int i;
2749
2750 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2751 bss->ifname, drv->disabled_11b_rates);
2752
2753 bss->in_deinit = 1;
2754 if (drv->data_tx_status)
2755 eloop_unregister_read_sock(drv->eapol_tx_sock);
2756 if (drv->eapol_tx_sock >= 0)
2757 close(drv->eapol_tx_sock);
2758
2759 if (bss->nl_preq)
2760 wpa_driver_nl80211_probe_req_report(bss, 0);
2761 if (bss->added_if_into_bridge) {
2762 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2763 bss->ifname) < 0)
2764 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2765 "interface %s from bridge %s: %s",
2766 bss->ifname, bss->brname, strerror(errno));
2767 }
2768
2769 if (drv->rtnl_sk)
2770 nl_socket_free(drv->rtnl_sk);
2771
2772 if (bss->added_bridge) {
2773 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2774 0) < 0)
2775 wpa_printf(MSG_INFO,
2776 "nl80211: Could not set bridge %s down",
2777 bss->brname);
2778 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
2779 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2780 "bridge %s: %s",
2781 bss->brname, strerror(errno));
2782 }
2783
2784 nl80211_remove_monitor_interface(drv);
2785
2786 if (is_ap_interface(drv->nlmode))
2787 wpa_driver_nl80211_del_beacon(bss);
2788
2789 if (drv->eapol_sock >= 0) {
2790 eloop_unregister_read_sock(drv->eapol_sock);
2791 close(drv->eapol_sock);
2792 }
2793
2794 if (drv->if_indices != drv->default_if_indices)
2795 os_free(drv->if_indices);
2796
2797 if (drv->disabled_11b_rates)
2798 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2799
2800 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2801 IF_OPER_UP);
2802 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
2803 rfkill_deinit(drv->rfkill);
2804
2805 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2806
2807 if (!drv->start_iface_up)
2808 (void) i802_set_iface_flags(bss, 0);
2809
2810 if (drv->addr_changed) {
2811 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2812 0) < 0) {
2813 wpa_printf(MSG_DEBUG,
2814 "nl80211: Could not set interface down to restore permanent MAC address");
2815 }
2816 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2817 drv->perm_addr) < 0) {
2818 wpa_printf(MSG_DEBUG,
2819 "nl80211: Could not restore permanent MAC address");
2820 }
2821 }
2822
2823 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2824 if (!drv->hostapd || !drv->start_mode_ap)
2825 wpa_driver_nl80211_set_mode(bss,
2826 NL80211_IFTYPE_STATION);
2827 nl80211_mgmt_unsubscribe(bss, "deinit");
2828 } else {
2829 nl80211_mgmt_unsubscribe(bss, "deinit");
2830 nl80211_del_p2pdev(bss);
2831 }
2832
2833 if (bss->nl_connect)
2834 nl80211_destroy_eloop_handle(&bss->nl_connect, 1);
2835
2836 nl80211_destroy_bss(drv->first_bss);
2837
2838 os_free(drv->filter_ssids);
2839
2840 os_free(drv->auth_ie);
2841
2842 if (drv->in_interface_list)
2843 dl_list_del(&drv->list);
2844
2845 os_free(drv->extended_capa);
2846 os_free(drv->extended_capa_mask);
2847 for (i = 0; i < drv->num_iface_ext_capa; i++) {
2848 os_free(drv->iface_ext_capa[i].ext_capa);
2849 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2850 }
2851 os_free(drv->first_bss);
2852 os_free(drv);
2853 }
2854
2855
2856 static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2857 {
2858 switch (alg) {
2859 case WPA_ALG_WEP:
2860 if (key_len == 5)
2861 return RSN_CIPHER_SUITE_WEP40;
2862 return RSN_CIPHER_SUITE_WEP104;
2863 case WPA_ALG_TKIP:
2864 return RSN_CIPHER_SUITE_TKIP;
2865 case WPA_ALG_CCMP:
2866 return RSN_CIPHER_SUITE_CCMP;
2867 case WPA_ALG_GCMP:
2868 return RSN_CIPHER_SUITE_GCMP;
2869 case WPA_ALG_CCMP_256:
2870 return RSN_CIPHER_SUITE_CCMP_256;
2871 case WPA_ALG_GCMP_256:
2872 return RSN_CIPHER_SUITE_GCMP_256;
2873 case WPA_ALG_IGTK:
2874 return RSN_CIPHER_SUITE_AES_128_CMAC;
2875 case WPA_ALG_BIP_GMAC_128:
2876 return RSN_CIPHER_SUITE_BIP_GMAC_128;
2877 case WPA_ALG_BIP_GMAC_256:
2878 return RSN_CIPHER_SUITE_BIP_GMAC_256;
2879 case WPA_ALG_BIP_CMAC_256:
2880 return RSN_CIPHER_SUITE_BIP_CMAC_256;
2881 case WPA_ALG_SMS4:
2882 return RSN_CIPHER_SUITE_SMS4;
2883 case WPA_ALG_KRK:
2884 return RSN_CIPHER_SUITE_KRK;
2885 case WPA_ALG_NONE:
2886 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2887 alg);
2888 return 0;
2889 }
2890
2891 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2892 alg);
2893 return 0;
2894 }
2895
2896
2897 static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2898 {
2899 switch (cipher) {
2900 case WPA_CIPHER_CCMP_256:
2901 return RSN_CIPHER_SUITE_CCMP_256;
2902 case WPA_CIPHER_GCMP_256:
2903 return RSN_CIPHER_SUITE_GCMP_256;
2904 case WPA_CIPHER_CCMP:
2905 return RSN_CIPHER_SUITE_CCMP;
2906 case WPA_CIPHER_GCMP:
2907 return RSN_CIPHER_SUITE_GCMP;
2908 case WPA_CIPHER_TKIP:
2909 return RSN_CIPHER_SUITE_TKIP;
2910 case WPA_CIPHER_WEP104:
2911 return RSN_CIPHER_SUITE_WEP104;
2912 case WPA_CIPHER_WEP40:
2913 return RSN_CIPHER_SUITE_WEP40;
2914 case WPA_CIPHER_GTK_NOT_USED:
2915 return RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED;
2916 }
2917
2918 return 0;
2919 }
2920
2921
2922 static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2923 int max_suites)
2924 {
2925 int num_suites = 0;
2926
2927 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2928 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP_256;
2929 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2930 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP_256;
2931 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2932 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP;
2933 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2934 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP;
2935 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2936 suites[num_suites++] = RSN_CIPHER_SUITE_TKIP;
2937 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2938 suites[num_suites++] = RSN_CIPHER_SUITE_WEP104;
2939 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2940 suites[num_suites++] = RSN_CIPHER_SUITE_WEP40;
2941
2942 return num_suites;
2943 }
2944
2945
2946 static int wpa_key_mgmt_to_suites(unsigned int key_mgmt_suites, u32 suites[],
2947 int max_suites)
2948 {
2949 int num_suites = 0;
2950
2951 #define __AKM(a, b) \
2952 if (num_suites < max_suites && \
2953 (key_mgmt_suites & (WPA_KEY_MGMT_ ## a))) \
2954 suites[num_suites++] = (RSN_AUTH_KEY_MGMT_ ## b)
2955 __AKM(IEEE8021X, UNSPEC_802_1X);
2956 __AKM(PSK, PSK_OVER_802_1X);
2957 __AKM(FT_IEEE8021X, FT_802_1X);
2958 __AKM(FT_PSK, FT_PSK);
2959 __AKM(IEEE8021X_SHA256, 802_1X_SHA256);
2960 __AKM(PSK_SHA256, PSK_SHA256);
2961 __AKM(SAE, SAE);
2962 __AKM(FT_SAE, FT_SAE);
2963 __AKM(CCKM, CCKM);
2964 __AKM(OSEN, OSEN);
2965 __AKM(IEEE8021X_SUITE_B, 802_1X_SUITE_B);
2966 __AKM(IEEE8021X_SUITE_B_192, 802_1X_SUITE_B_192);
2967 __AKM(FILS_SHA256, FILS_SHA256);
2968 __AKM(FILS_SHA384, FILS_SHA384);
2969 __AKM(FT_FILS_SHA256, FT_FILS_SHA256);
2970 __AKM(FT_FILS_SHA384, FT_FILS_SHA384);
2971 __AKM(OWE, OWE);
2972 __AKM(DPP, DPP);
2973 __AKM(FT_IEEE8021X_SHA384, FT_802_1X_SHA384);
2974 #undef __AKM
2975
2976 return num_suites;
2977 }
2978
2979
2980 #ifdef CONFIG_DRIVER_NL80211_QCA
2981 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2982 const u8 *key, size_t key_len)
2983 {
2984 struct nl_msg *msg;
2985 int ret;
2986
2987 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
2988 return 0;
2989
2990 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2991 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2992 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2993 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2994 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
2995 nl80211_nlmsg_clear(msg);
2996 nlmsg_free(msg);
2997 return -1;
2998 }
2999 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
3000 if (ret) {
3001 wpa_printf(MSG_DEBUG,
3002 "nl80211: Key management set key failed: ret=%d (%s)",
3003 ret, strerror(-ret));
3004 }
3005
3006 return ret;
3007 }
3008 #endif /* CONFIG_DRIVER_NL80211_QCA */
3009
3010
3011 static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv,
3012 const u8 *key, size_t key_len,
3013 const u8 *addr)
3014 {
3015 struct nl_msg *msg = NULL;
3016 int ret;
3017
3018 /*
3019 * If the authenticator address is not set, assume it is
3020 * the current BSSID.
3021 */
3022 if (!addr && drv->associated)
3023 addr = drv->bssid;
3024 else if (!addr)
3025 return -1;
3026
3027 wpa_printf(MSG_DEBUG, "nl80211: Set PMK to the driver for " MACSTR,
3028 MAC2STR(addr));
3029 wpa_hexdump_key(MSG_DEBUG, "nl80211: PMK", key, key_len);
3030 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_PMK);
3031 if (!msg ||
3032 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
3033 nla_put(msg, NL80211_ATTR_PMK, key_len, key)) {
3034 nl80211_nlmsg_clear(msg);
3035 nlmsg_free(msg);
3036 return -ENOBUFS;
3037 }
3038
3039 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
3040 if (ret) {
3041 wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)",
3042 ret, strerror(-ret));
3043 }
3044
3045 return ret;
3046 }
3047
3048
3049 static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
3050 struct wpa_driver_set_key_params *params)
3051 {
3052 struct wpa_driver_nl80211_data *drv = bss->drv;
3053 int ifindex;
3054 struct nl_msg *msg;
3055 struct nl_msg *key_msg;
3056 int ret;
3057 int skip_set_key = 1;
3058 const char *ifname = params->ifname;
3059 enum wpa_alg alg = params->alg;
3060 const u8 *addr = params->addr;
3061 int key_idx = params->key_idx;
3062 int set_tx = params->set_tx;
3063 const u8 *seq = params->seq;
3064 size_t seq_len = params->seq_len;
3065 const u8 *key = params->key;
3066 size_t key_len = params->key_len;
3067 int vlan_id = params->vlan_id;
3068 enum key_flag key_flag = params->key_flag;
3069
3070 /* Ignore for P2P Device */
3071 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
3072 return 0;
3073
3074 ifindex = if_nametoindex(ifname);
3075 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
3076 "set_tx=%d seq_len=%lu key_len=%lu key_flag=0x%x",
3077 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3078 (unsigned long) seq_len, (unsigned long) key_len, key_flag);
3079
3080 if (check_key_flag(key_flag)) {
3081 wpa_printf(MSG_DEBUG, "%s: invalid key_flag", __func__);
3082 return -EINVAL;
3083 }
3084
3085 #ifdef CONFIG_DRIVER_NL80211_QCA
3086 if ((key_flag & KEY_FLAG_PMK) &&
3087 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
3088 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
3089 __func__);
3090 ret = issue_key_mgmt_set_key(drv, key, key_len);
3091 return ret;
3092 }
3093 #endif /* CONFIG_DRIVER_NL80211_QCA */
3094
3095 if (key_flag & KEY_FLAG_PMK) {
3096 if (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)
3097 return nl80211_set_pmk(drv, key, key_len, addr);
3098 /* The driver does not have any offload mechanism for PMK, so
3099 * there is no need to configure this key. */
3100 return 0;
3101 }
3102
3103 ret = -ENOBUFS;
3104 key_msg = nlmsg_alloc();
3105 if (!key_msg)
3106 return ret;
3107
3108 if ((key_flag & KEY_FLAG_PAIRWISE_MASK) ==
3109 KEY_FLAG_PAIRWISE_RX_TX_MODIFY) {
3110 wpa_printf(MSG_DEBUG,
3111 "nl80211: SET_KEY (pairwise RX/TX modify)");
3112 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
3113 if (!msg)
3114 goto fail2;
3115 } else if (alg == WPA_ALG_NONE && (key_flag & KEY_FLAG_RX_TX)) {
3116 wpa_printf(MSG_DEBUG, "%s: invalid key_flag to delete key",
3117 __func__);
3118 ret = -EINVAL;
3119 goto fail2;
3120 } else if (alg == WPA_ALG_NONE) {
3121 wpa_printf(MSG_DEBUG, "nl80211: DEL_KEY");
3122 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
3123 if (!msg)
3124 goto fail2;
3125 } else {
3126 u32 suite;
3127
3128 suite = wpa_alg_to_cipher_suite(alg, key_len);
3129 if (!suite) {
3130 ret = -EINVAL;
3131 goto fail2;
3132 }
3133 wpa_printf(MSG_DEBUG, "nl80211: NEW_KEY");
3134 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
3135 if (!msg)
3136 goto fail2;
3137 if (nla_put(key_msg, NL80211_KEY_DATA, key_len, key) ||
3138 nla_put_u32(key_msg, NL80211_KEY_CIPHER, suite))
3139 goto fail;
3140 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3141
3142 if (seq && seq_len) {
3143 if (nla_put(key_msg, NL80211_KEY_SEQ, seq_len, seq))
3144 goto fail;
3145 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ",
3146 seq, seq_len);
3147 }
3148 }
3149
3150 if (addr && !is_broadcast_ether_addr(addr)) {
3151 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
3152 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
3153 goto fail;
3154
3155 if ((key_flag & KEY_FLAG_PAIRWISE_MASK) ==
3156 KEY_FLAG_PAIRWISE_RX ||
3157 (key_flag & KEY_FLAG_PAIRWISE_MASK) ==
3158 KEY_FLAG_PAIRWISE_RX_TX_MODIFY) {
3159 if (nla_put_u8(key_msg, NL80211_KEY_MODE,
3160 key_flag == KEY_FLAG_PAIRWISE_RX ?
3161 NL80211_KEY_NO_TX : NL80211_KEY_SET_TX))
3162 goto fail;
3163 } else if ((key_flag & KEY_FLAG_GROUP_MASK) ==
3164 KEY_FLAG_GROUP_RX) {
3165 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
3166 if (nla_put_u32(key_msg, NL80211_KEY_TYPE,
3167 NL80211_KEYTYPE_GROUP))
3168 goto fail;
3169 } else if (!(key_flag & KEY_FLAG_PAIRWISE)) {
3170 wpa_printf(MSG_DEBUG,
3171 " key_flag missing PAIRWISE when setting a pairwise key");
3172 ret = -EINVAL;
3173 goto fail;
3174 } else if (alg == WPA_ALG_WEP &&
3175 (key_flag & KEY_FLAG_RX_TX) == KEY_FLAG_RX_TX) {
3176 wpa_printf(MSG_DEBUG, " unicast WEP key");
3177 skip_set_key = 0;
3178 } else {
3179 wpa_printf(MSG_DEBUG, " pairwise key");
3180 }
3181 } else if ((key_flag & KEY_FLAG_PAIRWISE) ||
3182 !(key_flag & KEY_FLAG_GROUP)) {
3183 wpa_printf(MSG_DEBUG,
3184 " invalid key_flag for a broadcast key");
3185 ret = -EINVAL;
3186 goto fail;
3187 } else {
3188 wpa_printf(MSG_DEBUG, " broadcast key");
3189 if (key_flag & KEY_FLAG_DEFAULT)
3190 skip_set_key = 0;
3191 }
3192 if (nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3193 nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
3194 goto fail;
3195 nl80211_nlmsg_clear(key_msg);
3196 nlmsg_free(key_msg);
3197 key_msg = NULL;
3198
3199 if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
3200 wpa_printf(MSG_DEBUG, "nl80211: VLAN ID %d", vlan_id);
3201 if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id))
3202 goto fail;
3203 }
3204
3205 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
3206 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
3207 ret = 0;
3208 if (ret)
3209 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s",
3210 ret, strerror(-ret));
3211
3212 /*
3213 * If we failed or don't need to set the key as default (below),
3214 * we're done here.
3215 */
3216 if (ret || skip_set_key)
3217 return ret;
3218 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_SET_KEY - default key");
3219
3220 ret = -ENOBUFS;
3221 key_msg = nlmsg_alloc();
3222 if (!key_msg)
3223 return ret;
3224
3225 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
3226 if (!msg)
3227 goto fail2;
3228 if (!key_msg ||
3229 nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3230 nla_put_flag(key_msg, (alg == WPA_ALG_IGTK ||
3231 alg == WPA_ALG_BIP_GMAC_128 ||
3232 alg == WPA_ALG_BIP_GMAC_256 ||
3233 alg == WPA_ALG_BIP_CMAC_256) ?
3234 (key_idx == 6 || key_idx == 7 ?
3235 NL80211_KEY_DEFAULT_BEACON :
3236 NL80211_KEY_DEFAULT_MGMT) :
3237 NL80211_KEY_DEFAULT))
3238 goto fail;
3239 if (addr && is_broadcast_ether_addr(addr)) {
3240 struct nlattr *types;
3241
3242 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
3243 if (!types ||
3244 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
3245 goto fail;
3246 nla_nest_end(key_msg, types);
3247 } else if (addr) {
3248 struct nlattr *types;
3249
3250 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
3251 if (!types ||
3252 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
3253 goto fail;
3254 nla_nest_end(key_msg, types);
3255 }
3256
3257 if (nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
3258 goto fail;
3259 nl80211_nlmsg_clear(key_msg);
3260 nlmsg_free(key_msg);
3261 key_msg = NULL;
3262
3263 if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
3264 wpa_printf(MSG_DEBUG, "nl80211: set_key default - VLAN ID %d",
3265 vlan_id);
3266 if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id))
3267 goto fail;
3268 }
3269
3270 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3271 if (ret)
3272 wpa_printf(MSG_DEBUG,
3273 "nl80211: set_key default failed; err=%d %s",
3274 ret, strerror(-ret));
3275 return ret;
3276
3277 fail:
3278 nl80211_nlmsg_clear(msg);
3279 nlmsg_free(msg);
3280 fail2:
3281 nl80211_nlmsg_clear(key_msg);
3282 nlmsg_free(key_msg);
3283 return ret;
3284 }
3285
3286
3287 static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
3288 int key_idx, int defkey,
3289 const u8 *seq, size_t seq_len,
3290 const u8 *key, size_t key_len)
3291 {
3292 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
3293 u32 suite;
3294
3295 if (!key_attr)
3296 return -1;
3297
3298 suite = wpa_alg_to_cipher_suite(alg, key_len);
3299 if (!suite)
3300 return -1;
3301
3302 if (defkey && alg == WPA_ALG_IGTK) {
3303 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
3304 return -1;
3305 } else if (defkey) {
3306 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
3307 return -1;
3308 }
3309
3310 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
3311 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
3312 (seq && seq_len &&
3313 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
3314 nla_put(msg, NL80211_KEY_DATA, key_len, key))
3315 return -1;
3316
3317 nla_nest_end(msg, key_attr);
3318
3319 return 0;
3320 }
3321
3322
3323 static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
3324 struct nl_msg *msg)
3325 {
3326 int i, privacy = 0;
3327 struct nlattr *nl_keys, *nl_key;
3328
3329 for (i = 0; i < 4; i++) {
3330 if (!params->wep_key[i])
3331 continue;
3332 privacy = 1;
3333 break;
3334 }
3335 if (params->wps == WPS_MODE_PRIVACY)
3336 privacy = 1;
3337 if (params->pairwise_suite &&
3338 params->pairwise_suite != WPA_CIPHER_NONE)
3339 privacy = 1;
3340
3341 if (!privacy)
3342 return 0;
3343
3344 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3345 return -ENOBUFS;
3346
3347 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
3348 if (!nl_keys)
3349 return -ENOBUFS;
3350
3351 for (i = 0; i < 4; i++) {
3352 if (!params->wep_key[i])
3353 continue;
3354
3355 nl_key = nla_nest_start(msg, i);
3356 if (!nl_key ||
3357 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3358 params->wep_key[i]) ||
3359 nla_put_u32(msg, NL80211_KEY_CIPHER,
3360 params->wep_key_len[i] == 5 ?
3361 RSN_CIPHER_SUITE_WEP40 :
3362 RSN_CIPHER_SUITE_WEP104) ||
3363 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3364 (i == params->wep_tx_keyidx &&
3365 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3366 return -ENOBUFS;
3367
3368 nla_nest_end(msg, nl_key);
3369 }
3370 nla_nest_end(msg, nl_keys);
3371
3372 return 0;
3373 }
3374
3375
3376 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3377 const u8 *addr, int cmd, u16 reason_code,
3378 int local_state_change,
3379 struct nl_sock *nl_connect)
3380 {
3381 int ret;
3382 struct nl_msg *msg;
3383
3384 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
3385 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3386 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3387 (local_state_change &&
3388 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3389 nlmsg_free(msg);
3390 return -1;
3391 }
3392
3393 if (nl_connect)
3394 ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL);
3395 else
3396 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3397 if (ret) {
3398 wpa_dbg(drv->ctx, MSG_DEBUG,
3399 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3400 reason_code, ret, strerror(-ret));
3401 }
3402 return ret;
3403 }
3404
3405
3406 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
3407 u16 reason_code,
3408 struct nl_sock *nl_connect)
3409 {
3410 int ret;
3411 int drv_associated = drv->associated;
3412
3413 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
3414 nl80211_mark_disconnected(drv);
3415 /* Disconnect command doesn't need BSSID - it uses cached value */
3416 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
3417 reason_code, 0, nl_connect);
3418 /*
3419 * For locally generated disconnect, supplicant already generates a
3420 * DEAUTH event, so ignore the event from NL80211.
3421 */
3422 drv->ignore_next_local_disconnect = drv_associated && (ret == 0);
3423
3424 return ret;
3425 }
3426
3427
3428 static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
3429 const u8 *addr, u16 reason_code)
3430 {
3431 struct wpa_driver_nl80211_data *drv = bss->drv;
3432 int ret;
3433 int drv_associated = drv->associated;
3434
3435 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3436 nl80211_mark_disconnected(drv);
3437 return nl80211_leave_ibss(drv, 1);
3438 }
3439 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
3440 struct nl_sock *nl_connect = NULL;
3441
3442 if (bss->use_nl_connect)
3443 nl_connect = bss->nl_connect;
3444 return wpa_driver_nl80211_disconnect(drv, reason_code,
3445 nl_connect);
3446 }
3447 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3448 __func__, MAC2STR(addr), reason_code);
3449 nl80211_mark_disconnected(drv);
3450 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
3451 reason_code, 0, NULL);
3452 /*
3453 * For locally generated deauthenticate, supplicant already generates a
3454 * DEAUTH event, so ignore the event from NL80211.
3455 */
3456 drv->ignore_next_local_deauth = drv_associated && (ret == 0);
3457
3458 return ret;
3459 }
3460
3461
3462 static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3463 struct wpa_driver_auth_params *params)
3464 {
3465 int i;
3466
3467 drv->auth_freq = params->freq;
3468 drv->auth_alg = params->auth_alg;
3469 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3470 drv->auth_local_state_change = params->local_state_change;
3471 drv->auth_p2p = params->p2p;
3472
3473 if (params->bssid)
3474 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3475 else
3476 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3477
3478 if (params->ssid) {
3479 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3480 drv->auth_ssid_len = params->ssid_len;
3481 } else
3482 drv->auth_ssid_len = 0;
3483
3484
3485 os_free(drv->auth_ie);
3486 drv->auth_ie = NULL;
3487 drv->auth_ie_len = 0;
3488 if (params->ie) {
3489 drv->auth_ie = os_malloc(params->ie_len);
3490 if (drv->auth_ie) {
3491 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3492 drv->auth_ie_len = params->ie_len;
3493 }
3494 }
3495
3496 for (i = 0; i < 4; i++) {
3497 if (params->wep_key[i] && params->wep_key_len[i] &&
3498 params->wep_key_len[i] <= 16) {
3499 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3500 params->wep_key_len[i]);
3501 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3502 } else
3503 drv->auth_wep_key_len[i] = 0;
3504 }
3505 }
3506
3507
3508 static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3509 {
3510 struct wpa_driver_nl80211_data *drv = bss->drv;
3511
3512 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3513 return;
3514
3515 /*
3516 * Looks like we failed to unmask 11b rates previously. This could
3517 * happen, e.g., if the interface was down at the point in time when a
3518 * P2P group was terminated.
3519 */
3520 wpa_printf(MSG_DEBUG,
3521 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3522 bss->ifname);
3523 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3524 }
3525
3526
3527 static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3528 {
3529 if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3530 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3531 if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3532 return NL80211_AUTHTYPE_SHARED_KEY;
3533 if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3534 return NL80211_AUTHTYPE_NETWORK_EAP;
3535 if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3536 return NL80211_AUTHTYPE_FT;
3537 if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3538 return NL80211_AUTHTYPE_SAE;
3539 if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3540 return NL80211_AUTHTYPE_FILS_SK;
3541 if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3542 return NL80211_AUTHTYPE_FILS_SK_PFS;
3543
3544 return NL80211_AUTHTYPE_MAX;
3545 }
3546
3547
3548 static int wpa_driver_nl80211_authenticate(
3549 struct i802_bss *bss, struct wpa_driver_auth_params *params)
3550 {
3551 struct wpa_driver_nl80211_data *drv = bss->drv;
3552 int ret = -1, i;
3553 struct nl_msg *msg;
3554 enum nl80211_auth_type type;
3555 enum nl80211_iftype nlmode;
3556 int count = 0;
3557 int is_retry;
3558 struct wpa_driver_set_key_params p;
3559
3560 nl80211_unmask_11b_rates(bss);
3561
3562 is_retry = drv->retry_auth;
3563 drv->retry_auth = 0;
3564 drv->ignore_deauth_event = 0;
3565
3566 nl80211_mark_disconnected(drv);
3567 os_memset(drv->auth_bssid, 0, ETH_ALEN);
3568 if (params->bssid)
3569 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3570 else
3571 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
3572 /* FIX: IBSS mode */
3573 nlmode = params->p2p ?
3574 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3575 if (drv->nlmode != nlmode &&
3576 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
3577 return -1;
3578
3579 retry:
3580 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3581 drv->ifindex);
3582
3583 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3584 if (!msg)
3585 goto fail;
3586
3587 os_memset(&p, 0, sizeof(p));
3588 p.ifname = bss->ifname;
3589 p.alg = WPA_ALG_WEP;
3590 for (i = 0; i < 4; i++) {
3591 if (!params->wep_key[i])
3592 continue;
3593 p.key_idx = i;
3594 p.set_tx = i == params->wep_tx_keyidx;
3595 p.key = params->wep_key[i];
3596 p.key_len = params->wep_key_len[i];
3597 p.key_flag = i == params->wep_tx_keyidx ?
3598 KEY_FLAG_GROUP_RX_TX_DEFAULT :
3599 KEY_FLAG_GROUP_RX_TX;
3600 wpa_driver_nl80211_set_key(bss, &p);
3601 if (params->wep_tx_keyidx != i)
3602 continue;
3603 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
3604 params->wep_key[i], params->wep_key_len[i]))
3605 goto fail;
3606 }
3607
3608 if (params->bssid) {
3609 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3610 MAC2STR(params->bssid));
3611 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3612 goto fail;
3613 }
3614 if (params->freq) {
3615 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
3616 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3617 goto fail;
3618 }
3619 if (params->ssid) {
3620 wpa_printf(MSG_DEBUG, " * SSID=%s",
3621 wpa_ssid_txt(params->ssid, params->ssid_len));
3622 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3623 params->ssid))
3624 goto fail;
3625 }
3626 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
3627 if (params->ie &&
3628 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3629 goto fail;
3630 if (params->auth_data) {
3631 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
3632 params->auth_data_len);
3633 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
3634 params->auth_data))
3635 goto fail;
3636 }
3637 type = get_nl_auth_type(params->auth_alg);
3638 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3639 if (type == NL80211_AUTHTYPE_MAX ||
3640 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
3641 goto fail;
3642 if (params->local_state_change) {
3643 wpa_printf(MSG_DEBUG, " * Local state change only");
3644 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3645 goto fail;
3646 }
3647
3648 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3649 msg = NULL;
3650 if (ret) {
3651 wpa_dbg(drv->ctx, MSG_DEBUG,
3652 "nl80211: MLME command failed (auth): count=%d ret=%d (%s)",
3653 count, ret, strerror(-ret));
3654 count++;
3655 if ((ret == -EALREADY || ret == -EEXIST) && count == 1 &&
3656 params->bssid && !params->local_state_change) {
3657 /*
3658 * mac80211 does not currently accept new
3659 * authentication if we are already authenticated. As a
3660 * workaround, force deauthentication and try again.
3661 */
3662 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3663 "after forced deauthentication");
3664 drv->ignore_deauth_event = 1;
3665 wpa_driver_nl80211_deauthenticate(
3666 bss, params->bssid,
3667 WLAN_REASON_PREV_AUTH_NOT_VALID);
3668 nlmsg_free(msg);
3669 goto retry;
3670 }
3671
3672 if (ret == -ENOENT && params->freq && !is_retry) {
3673 /*
3674 * cfg80211 has likely expired the BSS entry even
3675 * though it was previously available in our internal
3676 * BSS table. To recover quickly, start a single
3677 * channel scan on the specified channel.
3678 */
3679 struct wpa_driver_scan_params scan;
3680 int freqs[2];
3681
3682 os_memset(&scan, 0, sizeof(scan));
3683 scan.num_ssids = 1;
3684 if (params->ssid) {
3685 scan.ssids[0].ssid = params->ssid;
3686 scan.ssids[0].ssid_len = params->ssid_len;
3687 }
3688 freqs[0] = params->freq;
3689 freqs[1] = 0;
3690 scan.freqs = freqs;
3691 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3692 "channel scan to refresh cfg80211 BSS "
3693 "entry");
3694 ret = wpa_driver_nl80211_scan(bss, &scan);
3695 if (ret == 0) {
3696 nl80211_copy_auth_params(drv, params);
3697 drv->scan_for_auth = 1;
3698 }
3699 } else if (is_retry) {
3700 /*
3701 * Need to indicate this with an event since the return
3702 * value from the retry is not delivered to core code.
3703 */
3704 union wpa_event_data event;
3705 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3706 "failed");
3707 os_memset(&event, 0, sizeof(event));
3708 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3709 ETH_ALEN);
3710 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3711 &event);
3712 }
3713 } else {
3714 wpa_printf(MSG_DEBUG,
3715 "nl80211: Authentication request send successfully");
3716 }
3717
3718 fail:
3719 nlmsg_free(msg);
3720 return ret;
3721 }
3722
3723
3724 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
3725 {
3726 struct wpa_driver_auth_params params;
3727 struct i802_bss *bss = drv->first_bss;
3728 int i;
3729
3730 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3731
3732 os_memset(&params, 0, sizeof(params));
3733 params.freq = drv->auth_freq;
3734 params.auth_alg = drv->auth_alg;
3735 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3736 params.local_state_change = drv->auth_local_state_change;
3737 params.p2p = drv->auth_p2p;
3738
3739 if (!is_zero_ether_addr(drv->auth_bssid_))
3740 params.bssid = drv->auth_bssid_;
3741
3742 if (drv->auth_ssid_len) {
3743 params.ssid = drv->auth_ssid;
3744 params.ssid_len = drv->auth_ssid_len;
3745 }
3746
3747 params.ie = drv->auth_ie;
3748 params.ie_len = drv->auth_ie_len;
3749
3750 for (i = 0; i < 4; i++) {
3751 if (drv->auth_wep_key_len[i]) {
3752 params.wep_key[i] = drv->auth_wep_key[i];
3753 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3754 }
3755 }
3756
3757 drv->retry_auth = 1;
3758 return wpa_driver_nl80211_authenticate(bss, &params);
3759 }
3760
3761
3762 static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3763 size_t data_len, int noack,
3764 unsigned int freq, int no_cck,
3765 int offchanok,
3766 unsigned int wait_time,
3767 const u16 *csa_offs,
3768 size_t csa_offs_len, int no_encrypt)
3769 {
3770 struct wpa_driver_nl80211_data *drv = bss->drv;
3771 struct ieee80211_mgmt *mgmt;
3772 int encrypt = !no_encrypt;
3773 u16 fc;
3774 int use_cookie = 1;
3775 int res;
3776
3777 mgmt = (struct ieee80211_mgmt *) data;
3778 fc = le_to_host16(mgmt->frame_control);
3779 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da=" MACSTR
3780 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u no_encrypt=%d fc=0x%x (%s) nlmode=%d",
3781 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3782 no_encrypt, fc, fc2str(fc), drv->nlmode);
3783
3784 if ((is_sta_interface(drv->nlmode) ||
3785 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
3786 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3787 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3788 /*
3789 * The use of last_mgmt_freq is a bit of a hack,
3790 * but it works due to the single-threaded nature
3791 * of wpa_supplicant.
3792 */
3793 if (freq == 0) {
3794 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3795 drv->last_mgmt_freq);
3796 freq = drv->last_mgmt_freq;
3797 }
3798 wait_time = 0;
3799 use_cookie = 0;
3800 no_cck = 1;
3801 offchanok = 1;
3802 goto send_frame_cmd;
3803 }
3804
3805 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
3806 if (freq == 0) {
3807 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3808 bss->freq);
3809 freq = bss->freq;
3810 }
3811 if ((int) freq == bss->freq)
3812 wait_time = 0;
3813 goto send_frame_cmd;
3814 }
3815
3816 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3817 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3818 /*
3819 * Only one of the authentication frame types is encrypted.
3820 * In order for static WEP encryption to work properly (i.e.,
3821 * to not encrypt the frame), we need to tell mac80211 about
3822 * the frames that must not be encrypted.
3823 */
3824 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3825 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
3826 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3827 encrypt = 0;
3828 }
3829
3830 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_STATION &&
3831 (drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
3832 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
3833 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3834 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3835 freq = nl80211_get_assoc_freq(drv);
3836 wpa_printf(MSG_DEBUG,
3837 "nl80211: send_mlme - Use assoc_freq=%u for external auth",
3838 freq);
3839 }
3840
3841 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3842 freq = nl80211_get_assoc_freq(drv);
3843 wpa_printf(MSG_DEBUG,
3844 "nl80211: send_mlme - Use assoc_freq=%u for IBSS",
3845 freq);
3846 }
3847 if (freq == 0) {
3848 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - Use bss->freq=%u",
3849 bss->freq);
3850 freq = bss->freq;
3851 }
3852
3853 if (drv->use_monitor) {
3854 wpa_printf(MSG_DEBUG,
3855 "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3856 freq, bss->freq);
3857 return nl80211_send_monitor(drv, data, data_len, encrypt,
3858 noack);
3859 }
3860
3861 if (noack || WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
3862 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
3863 use_cookie = 0;
3864 send_frame_cmd:
3865 #ifdef CONFIG_TESTING_OPTIONS
3866 if (no_encrypt && !encrypt && !drv->use_monitor) {
3867 wpa_printf(MSG_DEBUG,
3868 "nl80211: Request to send an unencrypted frame - use a monitor interface for this");
3869 if (nl80211_create_monitor_interface(drv) < 0)
3870 return -1;
3871 res = nl80211_send_monitor(drv, data, data_len, encrypt,
3872 noack);
3873 nl80211_remove_monitor_interface(drv);
3874 return res;
3875 }
3876 #endif /* CONFIG_TESTING_OPTIONS */
3877
3878 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame_cmd");
3879 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, data_len,
3880 use_cookie, no_cck, noack, offchanok,
3881 csa_offs, csa_offs_len);
3882
3883 return res;
3884 }
3885
3886
3887 static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3888 {
3889 u8 rates[NL80211_MAX_SUPP_RATES];
3890 u8 rates_len = 0;
3891 int i;
3892
3893 if (!basic_rates)
3894 return 0;
3895
3896 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3897 rates[rates_len++] = basic_rates[i] / 5;
3898
3899 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3900 }
3901
3902
3903 static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
3904 int slot, int ht_opmode, int ap_isolate,
3905 const int *basic_rates)
3906 {
3907 struct wpa_driver_nl80211_data *drv = bss->drv;
3908 struct nl_msg *msg;
3909
3910 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
3911 (cts >= 0 &&
3912 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3913 (preamble >= 0 &&
3914 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3915 (slot >= 0 &&
3916 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3917 (ht_opmode >= 0 &&
3918 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3919 (ap_isolate >= 0 &&
3920 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3921 nl80211_put_basic_rates(msg, basic_rates)) {
3922 nlmsg_free(msg);
3923 return -ENOBUFS;
3924 }
3925
3926 return send_and_recv_msgs(drv, msg, NULL, NULL);
3927 }
3928
3929
3930 static int wpa_driver_nl80211_set_acl(void *priv,
3931 struct hostapd_acl_params *params)
3932 {
3933 struct i802_bss *bss = priv;
3934 struct wpa_driver_nl80211_data *drv = bss->drv;
3935 struct nl_msg *msg;
3936 struct nl_msg *acl;
3937 unsigned int i;
3938 int ret;
3939
3940 if (!(drv->capa.max_acl_mac_addrs))
3941 return -ENOTSUP;
3942
3943 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3944 return -ENOTSUP;
3945
3946 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3947 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3948
3949 acl = nlmsg_alloc();
3950 if (!acl)
3951 return -ENOMEM;
3952 for (i = 0; i < params->num_mac_acl; i++) {
3953 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3954 nlmsg_free(acl);
3955 return -ENOMEM;
3956 }
3957 }
3958
3959 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
3960 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3961 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3962 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
3963 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
3964 nlmsg_free(msg);
3965 nlmsg_free(acl);
3966 return -ENOMEM;
3967 }
3968 nlmsg_free(acl);
3969
3970 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3971 if (ret) {
3972 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3973 ret, strerror(-ret));
3974 }
3975
3976 return ret;
3977 }
3978
3979
3980 static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3981 {
3982 if (beacon_int > 0) {
3983 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3984 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3985 beacon_int);
3986 }
3987
3988 return 0;
3989 }
3990
3991
3992 static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3993 {
3994 if (dtim_period > 0) {
3995 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3996 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3997 }
3998
3999 return 0;
4000 }
4001
4002
4003 #ifdef CONFIG_MESH
4004 static int nl80211_set_mesh_config(void *priv,
4005 struct wpa_driver_mesh_bss_params *params)
4006 {
4007 struct i802_bss *bss = priv;
4008 struct wpa_driver_nl80211_data *drv = bss->drv;
4009 struct nl_msg *msg;
4010 int ret;
4011
4012 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
4013 if (!msg)
4014 return -1;
4015
4016 ret = nl80211_put_mesh_config(msg, params);
4017 if (ret < 0) {
4018 nlmsg_free(msg);
4019 return ret;
4020 }
4021
4022 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4023 if (ret) {
4024 wpa_printf(MSG_ERROR,
4025 "nl80211: Mesh config set failed: %d (%s)",
4026 ret, strerror(-ret));
4027 return ret;
4028 }
4029 return 0;
4030 }
4031 #endif /* CONFIG_MESH */
4032
4033
4034 static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags,
4035 struct wpa_driver_ap_params *params)
4036 {
4037 struct nlattr *bands, *band;
4038 struct nl80211_txrate_vht vht_rate;
4039
4040 if (!params->freq ||
4041 (params->beacon_rate == 0 &&
4042 params->rate_type == BEACON_RATE_LEGACY))
4043 return 0;
4044
4045 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
4046 if (!bands)
4047 return -1;
4048
4049 switch (params->freq->mode) {
4050 case HOSTAPD_MODE_IEEE80211B:
4051 case HOSTAPD_MODE_IEEE80211G:
4052 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
4053 break;
4054 case HOSTAPD_MODE_IEEE80211A:
4055 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
4056 break;
4057 case HOSTAPD_MODE_IEEE80211AD:
4058 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
4059 break;
4060 default:
4061 return 0;
4062 }
4063
4064 if (!band)
4065 return -1;
4066
4067 os_memset(&vht_rate, 0, sizeof(vht_rate));
4068
4069 switch (params->rate_type) {
4070 case BEACON_RATE_LEGACY:
4071 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
4072 wpa_printf(MSG_INFO,
4073 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
4074 return -1;
4075 }
4076
4077 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
4078 (u8) params->beacon_rate / 5) ||
4079 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
4080 (params->freq->vht_enabled &&
4081 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4082 &vht_rate)))
4083 return -1;
4084
4085 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
4086 params->beacon_rate);
4087 break;
4088 case BEACON_RATE_HT:
4089 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
4090 wpa_printf(MSG_INFO,
4091 "nl80211: Driver does not support setting Beacon frame rate (HT)");
4092 return -1;
4093 }
4094 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
4095 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
4096 (params->freq->vht_enabled &&
4097 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4098 &vht_rate)))
4099 return -1;
4100 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
4101 params->beacon_rate);
4102 break;
4103 case BEACON_RATE_VHT:
4104 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
4105 wpa_printf(MSG_INFO,
4106 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
4107 return -1;
4108 }
4109 vht_rate.mcs[0] = BIT(params->beacon_rate);
4110 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
4111 return -1;
4112 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
4113 return -1;
4114 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4115 &vht_rate))
4116 return -1;
4117 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
4118 params->beacon_rate);
4119 break;
4120 }
4121
4122 nla_nest_end(msg, band);
4123 nla_nest_end(msg, bands);
4124
4125 return 0;
4126 }
4127
4128
4129 static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
4130 int multicast_to_unicast)
4131 {
4132 struct wpa_driver_nl80211_data *drv = bss->drv;
4133 struct nl_msg *msg;
4134 int ret;
4135
4136 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
4137 if (!msg ||
4138 (multicast_to_unicast &&
4139 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
4140 wpa_printf(MSG_ERROR,
4141 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
4142 bss->ifname);
4143 nlmsg_free(msg);
4144 return -ENOBUFS;
4145 }
4146
4147 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4148
4149 switch (ret) {
4150 case 0:
4151 wpa_printf(MSG_DEBUG,
4152 "nl80211: multicast to unicast %s on interface %s",
4153 multicast_to_unicast ? "enabled" : "disabled",
4154 bss->ifname);
4155 break;
4156 case -EOPNOTSUPP:
4157 if (!multicast_to_unicast)
4158 break;
4159 wpa_printf(MSG_INFO,
4160 "nl80211: multicast to unicast not supported on interface %s",
4161 bss->ifname);
4162 break;
4163 default:
4164 wpa_printf(MSG_ERROR,
4165 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
4166 multicast_to_unicast ? "enabling" : "disabling",
4167 ret, strerror(-ret), bss->ifname);
4168 break;
4169 }
4170
4171 return ret;
4172 }
4173
4174
4175 static int wpa_driver_nl80211_set_ap(void *priv,
4176 struct wpa_driver_ap_params *params)
4177 {
4178 struct i802_bss *bss = priv;
4179 struct wpa_driver_nl80211_data *drv = bss->drv;
4180 struct nl_msg *msg;
4181 u8 cmd = NL80211_CMD_NEW_BEACON;
4182 int ret = -ENOBUFS;
4183 int beacon_set;
4184 int num_suites;
4185 u32 suites[20], suite;
4186 u32 ver;
4187 #ifdef CONFIG_MESH
4188 struct wpa_driver_mesh_bss_params mesh_params;
4189 #endif /* CONFIG_MESH */
4190
4191 beacon_set = params->reenable ? 0 : bss->beacon_set;
4192
4193 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
4194 beacon_set);
4195 if (beacon_set)
4196 cmd = NL80211_CMD_SET_BEACON;
4197 else if (!drv->device_ap_sme && !drv->use_monitor &&
4198 !nl80211_get_wiphy_data_ap(bss))
4199 return -ENOBUFS;
4200
4201 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
4202 params->head, params->head_len);
4203 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
4204 params->tail, params->tail_len);
4205 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
4206 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
4207 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
4208 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
4209 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
4210 wpa_printf(MSG_DEBUG, "nl80211: ssid=%s",
4211 wpa_ssid_txt(params->ssid, params->ssid_len));
4212 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
4213 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
4214 params->head) ||
4215 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
4216 params->tail) ||
4217 nl80211_put_beacon_int(msg, params->beacon_int) ||
4218 nl80211_put_beacon_rate(msg, drv->capa.flags, params) ||
4219 nl80211_put_dtim_period(msg, params->dtim_period) ||
4220 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4221 goto fail;
4222 if (params->proberesp && params->proberesp_len) {
4223 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
4224 params->proberesp, params->proberesp_len);
4225 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
4226 params->proberesp))
4227 goto fail;
4228 }
4229 switch (params->hide_ssid) {
4230 case NO_SSID_HIDING:
4231 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
4232 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4233 NL80211_HIDDEN_SSID_NOT_IN_USE))
4234 goto fail;
4235 break;
4236 case HIDDEN_SSID_ZERO_LEN:
4237 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
4238 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4239 NL80211_HIDDEN_SSID_ZERO_LEN))
4240 goto fail;
4241 break;
4242 case HIDDEN_SSID_ZERO_CONTENTS:
4243 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
4244 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4245 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
4246 goto fail;
4247 break;
4248 }
4249 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
4250 if (params->privacy &&
4251 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
4252 goto fail;
4253 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
4254 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
4255 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
4256 /* Leave out the attribute */
4257 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
4258 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4259 NL80211_AUTHTYPE_SHARED_KEY))
4260 goto fail;
4261 } else {
4262 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4263 NL80211_AUTHTYPE_OPEN_SYSTEM))
4264 goto fail;
4265 }
4266
4267 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
4268 ver = 0;
4269 if (params->wpa_version & WPA_PROTO_WPA)
4270 ver |= NL80211_WPA_VERSION_1;
4271 if (params->wpa_version & WPA_PROTO_RSN)
4272 ver |= NL80211_WPA_VERSION_2;
4273 if (ver &&
4274 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4275 goto fail;
4276
4277 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
4278 params->key_mgmt_suites);
4279 num_suites = wpa_key_mgmt_to_suites(params->key_mgmt_suites,
4280 suites, ARRAY_SIZE(suites));
4281 if (num_suites > NL80211_MAX_NR_AKM_SUITES)
4282 wpa_printf(MSG_WARNING,
4283 "nl80211: Not enough room for all AKM suites (num_suites=%d > NL80211_MAX_NR_AKM_SUITES)",
4284 num_suites);
4285 else if (num_suites &&
4286 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
4287 suites))
4288 goto fail;
4289
4290 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
4291 (!params->pairwise_ciphers ||
4292 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
4293 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
4294 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
4295 goto fail;
4296
4297 if (drv->device_ap_sme &&
4298 (params->key_mgmt_suites & WPA_KEY_MGMT_SAE) &&
4299 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
4300 goto fail;
4301
4302 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
4303 params->pairwise_ciphers);
4304 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
4305 suites, ARRAY_SIZE(suites));
4306 if (num_suites &&
4307 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4308 num_suites * sizeof(u32), suites))
4309 goto fail;
4310
4311 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
4312 params->group_cipher);
4313 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
4314 if (suite &&
4315 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
4316 goto fail;
4317
4318 if (params->beacon_ies) {
4319 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
4320 params->beacon_ies);
4321 if (nla_put(msg, NL80211_ATTR_IE,
4322 wpabuf_len(params->beacon_ies),
4323 wpabuf_head(params->beacon_ies)))
4324 goto fail;
4325 }
4326 if (params->proberesp_ies) {
4327 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
4328 params->proberesp_ies);
4329 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
4330 wpabuf_len(params->proberesp_ies),
4331 wpabuf_head(params->proberesp_ies)))
4332 goto fail;
4333 }
4334 if (params->assocresp_ies) {
4335 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
4336 params->assocresp_ies);
4337 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
4338 wpabuf_len(params->assocresp_ies),
4339 wpabuf_head(params->assocresp_ies)))
4340 goto fail;
4341 }
4342
4343 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
4344 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
4345 params->ap_max_inactivity);
4346 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
4347 params->ap_max_inactivity))
4348 goto fail;
4349 }
4350
4351 #ifdef CONFIG_P2P
4352 if (params->p2p_go_ctwindow > 0) {
4353 if (drv->p2p_go_ctwindow_supported) {
4354 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
4355 params->p2p_go_ctwindow);
4356 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
4357 params->p2p_go_ctwindow))
4358 goto fail;
4359 } else {
4360 wpa_printf(MSG_INFO,
4361 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
4362 }
4363 }
4364 #endif /* CONFIG_P2P */
4365
4366 if (params->pbss) {
4367 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
4368 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4369 goto fail;
4370 }
4371
4372 if (params->ftm_responder) {
4373 struct nlattr *ftm;
4374
4375 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) {
4376 ret = -ENOTSUP;
4377 goto fail;
4378 }
4379
4380 ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER);
4381 if (!ftm ||
4382 nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) ||
4383 (params->lci &&
4384 nla_put(msg, NL80211_FTM_RESP_ATTR_LCI,
4385 wpabuf_len(params->lci),
4386 wpabuf_head(params->lci))) ||
4387 (params->civic &&
4388 nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC,
4389 wpabuf_len(params->civic),
4390 wpabuf_head(params->civic))))
4391 goto fail;
4392 nla_nest_end(msg, ftm);
4393 }
4394
4395 #ifdef CONFIG_IEEE80211AX
4396 if (params->he_spr) {
4397 struct nlattr *spr;
4398
4399 spr = nla_nest_start(msg, NL80211_ATTR_HE_OBSS_PD);
4400 wpa_printf(MSG_DEBUG, "nl80211: he_spr=%d", params->he_spr);
4401
4402 if (!spr ||
4403 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
4404 params->he_spr_srg_obss_pd_min_offset) ||
4405 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
4406 params->he_spr_srg_obss_pd_max_offset))
4407 goto fail;
4408
4409 nla_nest_end(msg, spr);
4410 }
4411
4412 if (params->freq && params->freq->he_enabled) {
4413 struct nlattr *bss_color;
4414
4415 bss_color = nla_nest_start(msg, NL80211_ATTR_HE_BSS_COLOR);
4416 if (!bss_color ||
4417 (params->he_bss_color_disabled &&
4418 nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_DISABLED)) ||
4419 (params->he_bss_color_partial &&
4420 nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_PARTIAL)) ||
4421 nla_put_u8(msg, NL80211_HE_BSS_COLOR_ATTR_COLOR,
4422 params->he_bss_color))
4423 goto fail;
4424 nla_nest_end(msg, bss_color);
4425 }
4426
4427 if (params->twt_responder) {
4428 wpa_printf(MSG_DEBUG, "nl80211: twt_responder=%d",
4429 params->twt_responder);
4430 if (nla_put_flag(msg, NL80211_ATTR_TWT_RESPONDER))
4431 goto fail;
4432 }
4433 #endif /* CONFIG_IEEE80211AX */
4434
4435 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4436 if (ret) {
4437 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
4438 ret, strerror(-ret));
4439 } else {
4440 bss->beacon_set = 1;
4441 nl80211_set_bss(bss, params->cts_protect, params->preamble,
4442 params->short_slot_time, params->ht_opmode,
4443 params->isolate, params->basic_rates);
4444 nl80211_set_multicast_to_unicast(bss,
4445 params->multicast_to_unicast);
4446 if (beacon_set && params->freq &&
4447 params->freq->bandwidth != bss->bandwidth) {
4448 wpa_printf(MSG_DEBUG,
4449 "nl80211: Update BSS %s bandwidth: %d -> %d",
4450 bss->ifname, bss->bandwidth,
4451 params->freq->bandwidth);
4452 ret = nl80211_set_channel(bss, params->freq, 1);
4453 if (ret) {
4454 wpa_printf(MSG_DEBUG,
4455 "nl80211: Frequency set failed: %d (%s)",
4456 ret, strerror(-ret));
4457 } else {
4458 wpa_printf(MSG_DEBUG,
4459 "nl80211: Frequency set succeeded for ht2040 coex");
4460 bss->bandwidth = params->freq->bandwidth;
4461 }
4462 } else if (!beacon_set && params->freq) {
4463 /*
4464 * cfg80211 updates the driver on frequence change in AP
4465 * mode only at the point when beaconing is started, so
4466 * set the initial value here.
4467 */
4468 bss->bandwidth = params->freq->bandwidth;
4469 }
4470 }
4471
4472 #ifdef CONFIG_MESH
4473 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
4474 os_memset(&mesh_params, 0, sizeof(mesh_params));
4475 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
4476 mesh_params.ht_opmode = params->ht_opmode;
4477 ret = nl80211_set_mesh_config(priv, &mesh_params);
4478 if (ret < 0)
4479 return ret;
4480 }
4481 #endif /* CONFIG_MESH */
4482
4483 return ret;
4484 fail:
4485 nlmsg_free(msg);
4486 return ret;
4487 }
4488
4489
4490 static int nl80211_put_freq_params(struct nl_msg *msg,
4491 const struct hostapd_freq_params *freq)
4492 {
4493 enum hostapd_hw_mode hw_mode;
4494 int is_24ghz;
4495 u8 channel;
4496
4497 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
4498 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4499 return -ENOBUFS;
4500
4501 wpa_printf(MSG_DEBUG, " * he_enabled=%d", freq->he_enabled);
4502 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4503 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4504
4505 hw_mode = ieee80211_freq_to_chan(freq->freq, &channel);
4506 is_24ghz = hw_mode == HOSTAPD_MODE_IEEE80211G ||
4507 hw_mode == HOSTAPD_MODE_IEEE80211B;
4508
4509 if (freq->vht_enabled || (freq->he_enabled && !is_24ghz)) {
4510 enum nl80211_chan_width cw;
4511
4512 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
4513 switch (freq->bandwidth) {
4514 case 20:
4515 cw = NL80211_CHAN_WIDTH_20;
4516 break;
4517 case 40:
4518 cw = NL80211_CHAN_WIDTH_40;
4519 break;
4520 case 80:
4521 if (freq->center_freq2)
4522 cw = NL80211_CHAN_WIDTH_80P80;
4523 else
4524 cw = NL80211_CHAN_WIDTH_80;
4525 break;
4526 case 160:
4527 cw = NL80211_CHAN_WIDTH_160;
4528 break;
4529 default:
4530 return -EINVAL;
4531 }
4532
4533 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4534 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4535 freq->center_freq1);
4536 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4537 freq->center_freq2);
4538 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4539 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4540 freq->center_freq1) ||
4541 (freq->center_freq2 &&
4542 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
4543 freq->center_freq2)))
4544 return -ENOBUFS;
4545 } else if (freq->ht_enabled) {
4546 enum nl80211_channel_type ct;
4547
4548 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4549 freq->sec_channel_offset);
4550 switch (freq->sec_channel_offset) {
4551 case -1:
4552 ct = NL80211_CHAN_HT40MINUS;
4553 break;
4554 case 1:
4555 ct = NL80211_CHAN_HT40PLUS;
4556 break;
4557 default:
4558 ct = NL80211_CHAN_HT20;
4559 break;
4560 }
4561
4562 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
4563 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
4564 return -ENOBUFS;
4565 } else if (freq->edmg.channels && freq->edmg.bw_config) {
4566 wpa_printf(MSG_DEBUG,
4567 " * EDMG configuration: channels=0x%x bw_config=%d",
4568 freq->edmg.channels, freq->edmg.bw_config);
4569 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
4570 freq->edmg.channels) ||
4571 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
4572 freq->edmg.bw_config))
4573 return -1;
4574 } else {
4575 wpa_printf(MSG_DEBUG, " * channel_type=%d",
4576 NL80211_CHAN_NO_HT);
4577 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
4578 NL80211_CHAN_NO_HT))
4579 return -ENOBUFS;
4580 }
4581 return 0;
4582 }
4583
4584
4585 static int nl80211_set_channel(struct i802_bss *bss,
4586 struct hostapd_freq_params *freq, int set_chan)
4587 {
4588 struct wpa_driver_nl80211_data *drv = bss->drv;
4589 struct nl_msg *msg;
4590 int ret;
4591
4592 wpa_printf(MSG_DEBUG,
4593 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
4594 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
4595 freq->bandwidth, freq->center_freq1, freq->center_freq2);
4596
4597 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
4598 NL80211_CMD_SET_WIPHY);
4599 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
4600 nlmsg_free(msg);
4601 return -1;
4602 }
4603
4604 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4605 if (ret == 0) {
4606 bss->freq = freq->freq;
4607 return 0;
4608 }
4609 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
4610 "%d (%s)", freq->freq, ret, strerror(-ret));
4611 return -1;
4612 }
4613
4614
4615 static u32 sta_flags_nl80211(int flags)
4616 {
4617 u32 f = 0;
4618
4619 if (flags & WPA_STA_AUTHORIZED)
4620 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
4621 if (flags & WPA_STA_WMM)
4622 f |= BIT(NL80211_STA_FLAG_WME);
4623 if (flags & WPA_STA_SHORT_PREAMBLE)
4624 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
4625 if (flags & WPA_STA_MFP)
4626 f |= BIT(NL80211_STA_FLAG_MFP);
4627 if (flags & WPA_STA_TDLS_PEER)
4628 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
4629 if (flags & WPA_STA_AUTHENTICATED)
4630 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4631 if (flags & WPA_STA_ASSOCIATED)
4632 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4633
4634 return f;
4635 }
4636
4637
4638 #ifdef CONFIG_MESH
4639 static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
4640 {
4641 switch (state) {
4642 case PLINK_IDLE:
4643 return NL80211_PLINK_LISTEN;
4644 case PLINK_OPN_SNT:
4645 return NL80211_PLINK_OPN_SNT;
4646 case PLINK_OPN_RCVD:
4647 return NL80211_PLINK_OPN_RCVD;
4648 case PLINK_CNF_RCVD:
4649 return NL80211_PLINK_CNF_RCVD;
4650 case PLINK_ESTAB:
4651 return NL80211_PLINK_ESTAB;
4652 case PLINK_HOLDING:
4653 return NL80211_PLINK_HOLDING;
4654 case PLINK_BLOCKED:
4655 return NL80211_PLINK_BLOCKED;
4656 default:
4657 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
4658 state);
4659 }
4660 return -1;
4661 }
4662 #endif /* CONFIG_MESH */
4663
4664
4665 static int wpa_driver_nl80211_sta_add(void *priv,
4666 struct hostapd_sta_add_params *params)
4667 {
4668 struct i802_bss *bss = priv;
4669 struct wpa_driver_nl80211_data *drv = bss->drv;
4670 struct nl_msg *msg;
4671 struct nl80211_sta_flag_update upd;
4672 int ret = -ENOBUFS;
4673
4674 if ((params->flags & WPA_STA_TDLS_PEER) &&
4675 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
4676 return -EOPNOTSUPP;
4677
4678 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
4679 params->set ? "Set" : "Add", MAC2STR(params->addr));
4680 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
4681 NL80211_CMD_NEW_STATION);
4682 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
4683 goto fail;
4684
4685 /*
4686 * Set the below properties only in one of the following cases:
4687 * 1. New station is added, already associated.
4688 * 2. Set WPA_STA_TDLS_PEER station.
4689 * 3. Set an already added unassociated station, if driver supports
4690 * full AP client state. (Set these properties after station became
4691 * associated will be rejected by the driver).
4692 */
4693 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4694 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4695 (params->flags & WPA_STA_ASSOCIATED))) {
4696 wpa_hexdump(MSG_DEBUG, " * supported rates",
4697 params->supp_rates, params->supp_rates_len);
4698 wpa_printf(MSG_DEBUG, " * capability=0x%x",
4699 params->capability);
4700 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
4701 params->supp_rates_len, params->supp_rates) ||
4702 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
4703 params->capability))
4704 goto fail;
4705
4706 if (params->ht_capabilities) {
4707 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
4708 (u8 *) params->ht_capabilities,
4709 sizeof(*params->ht_capabilities));
4710 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
4711 sizeof(*params->ht_capabilities),
4712 params->ht_capabilities))
4713 goto fail;
4714 }
4715
4716 if (params->vht_capabilities) {
4717 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
4718 (u8 *) params->vht_capabilities,
4719 sizeof(*params->vht_capabilities));
4720 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
4721 sizeof(*params->vht_capabilities),
4722 params->vht_capabilities))
4723 goto fail;
4724 }
4725
4726 if (params->he_capab) {
4727 wpa_hexdump(MSG_DEBUG, " * he_capab",
4728 params->he_capab, params->he_capab_len);
4729 if (nla_put(msg, NL80211_ATTR_HE_CAPABILITY,
4730 params->he_capab_len, params->he_capab))
4731 goto fail;
4732 }
4733
4734 if (params->ext_capab) {
4735 wpa_hexdump(MSG_DEBUG, " * ext_capab",
4736 params->ext_capab, params->ext_capab_len);
4737 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4738 params->ext_capab_len, params->ext_capab))
4739 goto fail;
4740 }
4741
4742 if (is_ap_interface(drv->nlmode) &&
4743 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4744 params->support_p2p_ps ?
4745 NL80211_P2P_PS_SUPPORTED :
4746 NL80211_P2P_PS_UNSUPPORTED))
4747 goto fail;
4748 }
4749 if (!params->set) {
4750 if (params->aid) {
4751 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4752 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4753 goto fail;
4754 } else {
4755 /*
4756 * cfg80211 validates that AID is non-zero, so we have
4757 * to make this a non-zero value for the TDLS case where
4758 * a dummy STA entry is used for now and for a station
4759 * that is still not associated.
4760 */
4761 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4762 (params->flags & WPA_STA_TDLS_PEER) ?
4763 "TDLS" : "UNASSOC_STA");
4764 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4765 goto fail;
4766 }
4767 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4768 params->listen_interval);
4769 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4770 params->listen_interval))
4771 goto fail;
4772 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4773 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
4774 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4775 goto fail;
4776 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4777 (params->flags & WPA_STA_ASSOCIATED)) {
4778 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4779 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4780 params->listen_interval);
4781 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4782 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4783 params->listen_interval))
4784 goto fail;
4785 }
4786
4787 if (params->vht_opmode_enabled) {
4788 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
4789 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4790 params->vht_opmode))
4791 goto fail;
4792 }
4793
4794 if (params->supp_channels) {
4795 wpa_hexdump(MSG_DEBUG, " * supported channels",
4796 params->supp_channels, params->supp_channels_len);
4797 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4798 params->supp_channels_len, params->supp_channels))
4799 goto fail;
4800 }
4801
4802 if (params->supp_oper_classes) {
4803 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4804 params->supp_oper_classes,
4805 params->supp_oper_classes_len);
4806 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4807 params->supp_oper_classes_len,
4808 params->supp_oper_classes))
4809 goto fail;
4810 }
4811
4812 os_memset(&upd, 0, sizeof(upd));
4813 upd.set = sta_flags_nl80211(params->flags);
4814 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
4815
4816 /*
4817 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4818 * flags, as nl80211 driver moves a new station, by default, into
4819 * associated state.
4820 *
4821 * On the other hand, if the driver supports that feature and the
4822 * station is added in unauthenticated state, set the
4823 * authenticated/associated bits in the mask to prevent moving this
4824 * station to associated state before it is actually associated.
4825 *
4826 * This is irrelevant for mesh mode where the station is added to the
4827 * driver as authenticated already, and ASSOCIATED isn't part of the
4828 * nl80211 API.
4829 */
4830 if (!is_mesh_interface(drv->nlmode)) {
4831 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4832 wpa_printf(MSG_DEBUG,
4833 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4834 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4835 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4836 } else if (!params->set &&
4837 !(params->flags & WPA_STA_TDLS_PEER)) {
4838 if (!(params->flags & WPA_STA_AUTHENTICATED))
4839 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4840 if (!(params->flags & WPA_STA_ASSOCIATED))
4841 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4842 }
4843 #ifdef CONFIG_MESH
4844 } else {
4845 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4846 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4847 params->peer_aid);
4848 if (ret)
4849 goto fail;
4850 }
4851 #endif /* CONFIG_MESH */
4852 }
4853
4854 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4855 upd.set, upd.mask);
4856 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4857 goto fail;
4858
4859 #ifdef CONFIG_MESH
4860 if (params->plink_state &&
4861 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4862 sta_plink_state_nl80211(params->plink_state)))
4863 goto fail;
4864 #endif /* CONFIG_MESH */
4865
4866 if ((!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4867 FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) &&
4868 (params->flags & WPA_STA_WMM)) {
4869 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4870
4871 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
4872 if (!wme ||
4873 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4874 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4875 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4876 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4877 WMM_QOSINFO_STA_SP_MASK))
4878 goto fail;
4879 nla_nest_end(msg, wme);
4880 }
4881
4882 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4883 msg = NULL;
4884 if (ret)
4885 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4886 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4887 strerror(-ret));
4888 if (ret == -EEXIST)
4889 ret = 0;
4890 fail:
4891 nlmsg_free(msg);
4892 return ret;
4893 }
4894
4895
4896 static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4897 {
4898 #ifdef CONFIG_LIBNL3_ROUTE
4899 struct wpa_driver_nl80211_data *drv = bss->drv;
4900 struct rtnl_neigh *rn;
4901 struct nl_addr *nl_addr;
4902 int err;
4903
4904 rn = rtnl_neigh_alloc();
4905 if (!rn)
4906 return;
4907
4908 rtnl_neigh_set_family(rn, AF_BRIDGE);
4909 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4910 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4911 if (!nl_addr) {
4912 rtnl_neigh_put(rn);
4913 return;
4914 }
4915 rtnl_neigh_set_lladdr(rn, nl_addr);
4916
4917 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4918 if (err < 0) {
4919 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4920 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4921 bss->ifindex, nl_geterror(err));
4922 } else {
4923 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4924 MACSTR, MAC2STR(addr));
4925 }
4926
4927 nl_addr_put(nl_addr);
4928 rtnl_neigh_put(rn);
4929 #endif /* CONFIG_LIBNL3_ROUTE */
4930 }
4931
4932
4933 static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4934 int deauth, u16 reason_code)
4935 {
4936 struct wpa_driver_nl80211_data *drv = bss->drv;
4937 struct nl_msg *msg;
4938 int ret;
4939
4940 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
4941 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4942 (deauth == 0 &&
4943 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4944 WLAN_FC_STYPE_DISASSOC)) ||
4945 (deauth == 1 &&
4946 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4947 WLAN_FC_STYPE_DEAUTH)) ||
4948 (reason_code &&
4949 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4950 nlmsg_free(msg);
4951 return -ENOBUFS;
4952 }
4953
4954 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4955 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4956 " --> %d (%s)",
4957 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
4958
4959 if (drv->rtnl_sk)
4960 rtnl_neigh_delete_fdb_entry(bss, addr);
4961
4962 if (ret == -ENOENT)
4963 return 0;
4964 return ret;
4965 }
4966
4967
4968 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
4969 {
4970 struct nl_msg *msg;
4971 struct wpa_driver_nl80211_data *drv2;
4972
4973 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4974
4975 /* stop listening for EAPOL on this interface */
4976 dl_list_for_each(drv2, &drv->global->interfaces,
4977 struct wpa_driver_nl80211_data, list)
4978 {
4979 del_ifidx(drv2, ifidx, IFIDX_ANY);
4980 /* Remove all bridges learned for this iface */
4981 del_ifidx(drv2, IFIDX_ANY, ifidx);
4982 }
4983
4984 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
4985 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4986 return;
4987 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
4988 }
4989
4990
4991 const char * nl80211_iftype_str(enum nl80211_iftype mode)
4992 {
4993 switch (mode) {
4994 case NL80211_IFTYPE_ADHOC:
4995 return "ADHOC";
4996 case NL80211_IFTYPE_STATION:
4997 return "STATION";
4998 case NL80211_IFTYPE_AP:
4999 return "AP";
5000 case NL80211_IFTYPE_AP_VLAN:
5001 return "AP_VLAN";
5002 case NL80211_IFTYPE_WDS:
5003 return "WDS";
5004 case NL80211_IFTYPE_MONITOR:
5005 return "MONITOR";
5006 case NL80211_IFTYPE_MESH_POINT:
5007 return "MESH_POINT";
5008 case NL80211_IFTYPE_P2P_CLIENT:
5009 return "P2P_CLIENT";
5010 case NL80211_IFTYPE_P2P_GO:
5011 return "P2P_GO";
5012 case NL80211_IFTYPE_P2P_DEVICE:
5013 return "P2P_DEVICE";
5014 default:
5015 return "unknown";
5016 }
5017 }
5018
5019
5020 static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
5021 const char *ifname,
5022 enum nl80211_iftype iftype,
5023 const u8 *addr, int wds,
5024 int (*handler)(struct nl_msg *, void *),
5025 void *arg)
5026 {
5027 struct nl_msg *msg;
5028 int ifidx;
5029 int ret = -ENOBUFS;
5030
5031 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
5032 iftype, nl80211_iftype_str(iftype));
5033
5034 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
5035 if (!msg ||
5036 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
5037 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
5038 goto fail;
5039
5040 if (iftype == NL80211_IFTYPE_MONITOR) {
5041 struct nlattr *flags;
5042
5043 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
5044 if (!flags ||
5045 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
5046 goto fail;
5047
5048 nla_nest_end(msg, flags);
5049 } else if (wds) {
5050 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
5051 goto fail;
5052 }
5053
5054 /*
5055 * Tell cfg80211 that the interface belongs to the socket that created
5056 * it, and the interface should be deleted when the socket is closed.
5057 */
5058 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5059 goto fail;
5060
5061 ret = send_and_recv_msgs(drv, msg, handler, arg);
5062 msg = NULL;
5063 if (ret) {
5064 fail:
5065 nlmsg_free(msg);
5066 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
5067 ifname, ret, strerror(-ret));
5068 return ret;
5069 }
5070
5071 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
5072 return 0;
5073
5074 ifidx = if_nametoindex(ifname);
5075 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
5076 ifname, ifidx);
5077
5078 if (ifidx <= 0)
5079 return -1;
5080
5081 /*
5082 * Some virtual interfaces need to process EAPOL packets and events on
5083 * the parent interface. This is used mainly with hostapd.
5084 */
5085 if (drv->hostapd ||
5086 iftype == NL80211_IFTYPE_AP_VLAN ||
5087 iftype == NL80211_IFTYPE_WDS ||
5088 iftype == NL80211_IFTYPE_MONITOR) {
5089 /* start listening for EAPOL on this interface */
5090 add_ifidx(drv, ifidx, IFIDX_ANY);
5091 }
5092
5093 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
5094 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
5095 nl80211_remove_iface(drv, ifidx);
5096 return -1;
5097 }
5098
5099 return ifidx;
5100 }
5101
5102
5103 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
5104 const char *ifname, enum nl80211_iftype iftype,
5105 const u8 *addr, int wds,
5106 int (*handler)(struct nl_msg *, void *),
5107 void *arg, int use_existing)
5108 {
5109 int ret;
5110
5111 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
5112 arg);
5113
5114 /* if error occurred and interface exists already */
5115 if (ret == -ENFILE && if_nametoindex(ifname)) {
5116 if (use_existing) {
5117 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
5118 ifname);
5119 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
5120 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5121 addr) < 0 &&
5122 (linux_set_iface_flags(drv->global->ioctl_sock,
5123 ifname, 0) < 0 ||
5124 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5125 addr) < 0 ||
5126 linux_set_iface_flags(drv->global->ioctl_sock,
5127 ifname, 1) < 0))
5128 return -1;
5129 return -ENFILE;
5130 }
5131 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
5132
5133 /* Try to remove the interface that was already there. */
5134 nl80211_remove_iface(drv, if_nametoindex(ifname));
5135
5136 /* Try to create the interface again */
5137 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
5138 wds, handler, arg);
5139 }
5140
5141 if (ret >= 0 && is_p2p_net_interface(iftype)) {
5142 wpa_printf(MSG_DEBUG,
5143 "nl80211: Interface %s created for P2P - disable 11b rates",
5144 ifname);
5145 nl80211_disable_11b_rates(drv, ret, 1);
5146 }
5147
5148 return ret;
5149 }
5150
5151
5152 static int nl80211_setup_ap(struct i802_bss *bss)
5153 {
5154 struct wpa_driver_nl80211_data *drv = bss->drv;
5155
5156 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
5157 bss->ifname, drv->device_ap_sme, drv->use_monitor);
5158
5159 /*
5160 * Disable Probe Request reporting unless we need it in this way for
5161 * devices that include the AP SME, in the other case (unless using
5162 * monitor iface) we'll get it through the nl_mgmt socket instead.
5163 */
5164 if (!drv->device_ap_sme)
5165 wpa_driver_nl80211_probe_req_report(bss, 0);
5166
5167 if (!drv->device_ap_sme && !drv->use_monitor)
5168 if (nl80211_mgmt_subscribe_ap(bss))
5169 return -1;
5170
5171 if (drv->device_ap_sme && !drv->use_monitor)
5172 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
5173 wpa_printf(MSG_DEBUG,
5174 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
5175
5176 if (!drv->device_ap_sme && drv->use_monitor &&
5177 nl80211_create_monitor_interface(drv) &&
5178 !drv->device_ap_sme)
5179 return -1;
5180
5181 if (drv->device_ap_sme &&
5182 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
5183 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
5184 "Probe Request frame reporting in AP mode");
5185 /* Try to survive without this */
5186 }
5187
5188 return 0;
5189 }
5190
5191
5192 static void nl80211_teardown_ap(struct i802_bss *bss)
5193 {
5194 struct wpa_driver_nl80211_data *drv = bss->drv;
5195
5196 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
5197 bss->ifname, drv->device_ap_sme, drv->use_monitor);
5198 if (drv->device_ap_sme) {
5199 wpa_driver_nl80211_probe_req_report(bss, 0);
5200 if (!drv->use_monitor)
5201 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
5202 } else if (drv->use_monitor)
5203 nl80211_remove_monitor_interface(drv);
5204 else
5205 nl80211_mgmt_unsubscribe(bss, "AP teardown");
5206
5207 nl80211_put_wiphy_data_ap(bss);
5208 bss->beacon_set = 0;
5209 }
5210
5211
5212 static int nl80211_tx_control_port(void *priv, const u8 *dest,
5213 u16 proto, const u8 *buf, size_t len,
5214 int no_encrypt)
5215 {
5216 struct i802_bss *bss = priv;
5217 struct nl_msg *msg;
5218 int ret;
5219
5220 wpa_printf(MSG_DEBUG,
5221 "nl80211: Send over control port dest=" MACSTR
5222 " proto=0x%04x len=%u no_encrypt=%d",
5223 MAC2STR(dest), proto, (unsigned int) len, no_encrypt);
5224
5225 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CONTROL_PORT_FRAME);
5226 if (!msg ||
5227 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
5228 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dest) ||
5229 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
5230 (no_encrypt &&
5231 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) {
5232 nlmsg_free(msg);
5233 return -ENOBUFS;
5234 }
5235
5236 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5237 if (ret)
5238 wpa_printf(MSG_DEBUG,
5239 "nl80211: tx_control_port failed: ret=%d (%s)",
5240 ret, strerror(-ret));
5241
5242 return ret;
5243 }
5244
5245
5246 static int nl80211_send_eapol_data(struct i802_bss *bss,
5247 const u8 *addr, const u8 *data,
5248 size_t data_len)
5249 {
5250 struct sockaddr_ll ll;
5251 int ret;
5252
5253 if (bss->drv->eapol_tx_sock < 0) {
5254 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
5255 return -1;
5256 }
5257
5258 os_memset(&ll, 0, sizeof(ll));
5259 ll.sll_family = AF_PACKET;
5260 ll.sll_ifindex = bss->ifindex;
5261 ll.sll_protocol = htons(ETH_P_PAE);
5262 ll.sll_halen = ETH_ALEN;
5263 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
5264 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
5265 (struct sockaddr *) &ll, sizeof(ll));
5266 if (ret < 0)
5267 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
5268 strerror(errno));
5269
5270 return ret;
5271 }
5272
5273
5274 static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
5275
5276 static int wpa_driver_nl80211_hapd_send_eapol(
5277 void *priv, const u8 *addr, const u8 *data,
5278 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
5279 {
5280 struct i802_bss *bss = priv;
5281 struct wpa_driver_nl80211_data *drv = bss->drv;
5282 struct ieee80211_hdr *hdr;
5283 size_t len;
5284 u8 *pos;
5285 int res;
5286 int qos = flags & WPA_STA_WMM;
5287
5288 if (drv->capa.flags & WPA_DRIVER_FLAGS_CONTROL_PORT)
5289 return nl80211_tx_control_port(bss, addr, ETH_P_EAPOL,
5290 data, data_len, !encrypt);
5291
5292 if (drv->device_ap_sme || !drv->use_monitor)
5293 return nl80211_send_eapol_data(bss, addr, data, data_len);
5294
5295 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
5296 data_len;
5297 hdr = os_zalloc(len);
5298 if (hdr == NULL) {
5299 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
5300 (unsigned long) len);
5301 return -1;
5302 }
5303
5304 hdr->frame_control =
5305 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
5306 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
5307 if (encrypt)
5308 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
5309 if (qos) {
5310 hdr->frame_control |=
5311 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
5312 }
5313
5314 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
5315 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
5316 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
5317 pos = (u8 *) (hdr + 1);
5318
5319 if (qos) {
5320 /* Set highest priority in QoS header */
5321 pos[0] = 7;
5322 pos[1] = 0;
5323 pos += 2;
5324 }
5325
5326 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
5327 pos += sizeof(rfc1042_header);
5328 WPA_PUT_BE16(pos, ETH_P_PAE);
5329 pos += 2;
5330 memcpy(pos, data, data_len);
5331
5332 res = nl80211_send_monitor(drv, hdr, len, encrypt, 0);
5333 if (res < 0) {
5334 wpa_printf(MSG_ERROR,
5335 "hapd_send_eapol - packet len: %lu - failed",
5336 (unsigned long) len);
5337 }
5338 os_free(hdr);
5339
5340 return res;
5341 }
5342
5343
5344 static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
5345 unsigned int total_flags,
5346 unsigned int flags_or,
5347 unsigned int flags_and)
5348 {
5349 struct i802_bss *bss = priv;
5350 struct nl_msg *msg;
5351 struct nlattr *flags;
5352 struct nl80211_sta_flag_update upd;
5353
5354 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
5355 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
5356 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
5357 !!(total_flags & WPA_STA_AUTHORIZED));
5358
5359 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5360 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
5361 goto fail;
5362
5363 /*
5364 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
5365 * can be removed eventually.
5366 */
5367 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
5368 if (!flags ||
5369 ((total_flags & WPA_STA_AUTHORIZED) &&
5370 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
5371 ((total_flags & WPA_STA_WMM) &&
5372 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
5373 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
5374 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
5375 ((total_flags & WPA_STA_MFP) &&
5376 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
5377 ((total_flags & WPA_STA_TDLS_PEER) &&
5378 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
5379 goto fail;
5380
5381 nla_nest_end(msg, flags);
5382
5383 os_memset(&upd, 0, sizeof(upd));
5384 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
5385 upd.set = sta_flags_nl80211(flags_or);
5386 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
5387 goto fail;
5388
5389 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5390 fail:
5391 nlmsg_free(msg);
5392 return -ENOBUFS;
5393 }
5394
5395
5396 static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr,
5397 unsigned int weight)
5398 {
5399 struct i802_bss *bss = priv;
5400 struct nl_msg *msg;
5401
5402 wpa_printf(MSG_DEBUG,
5403 "nl80211: Set STA airtime weight - ifname=%s addr=" MACSTR
5404 " weight=%u", bss->ifname, MAC2STR(addr), weight);
5405
5406 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5407 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5408 nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight))
5409 goto fail;
5410
5411 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5412 fail:
5413 nlmsg_free(msg);
5414 return -ENOBUFS;
5415 }
5416
5417
5418 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
5419 struct wpa_driver_associate_params *params)
5420 {
5421 enum nl80211_iftype nlmode, old_mode;
5422
5423 if (params->p2p) {
5424 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
5425 "group (GO)");
5426 nlmode = NL80211_IFTYPE_P2P_GO;
5427 } else
5428 nlmode = NL80211_IFTYPE_AP;
5429
5430 old_mode = drv->nlmode;
5431 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
5432 nl80211_remove_monitor_interface(drv);
5433 return -1;
5434 }
5435
5436 if (params->freq.freq &&
5437 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
5438 if (old_mode != nlmode)
5439 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
5440 nl80211_remove_monitor_interface(drv);
5441 return -1;
5442 }
5443
5444 return 0;
5445 }
5446
5447
5448 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
5449 int reset_mode)
5450 {
5451 struct nl_msg *msg;
5452 int ret;
5453
5454 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5455 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5456 if (ret) {
5457 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
5458 "(%s)", ret, strerror(-ret));
5459 } else {
5460 wpa_printf(MSG_DEBUG,
5461 "nl80211: Leave IBSS request sent successfully");
5462 }
5463
5464 if (reset_mode &&
5465 wpa_driver_nl80211_set_mode(drv->first_bss,
5466 NL80211_IFTYPE_STATION)) {
5467 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5468 "station mode");
5469 }
5470
5471 return ret;
5472 }
5473
5474
5475 static int nl80211_ht_vht_overrides(struct nl_msg *msg,
5476 struct wpa_driver_associate_params *params)
5477 {
5478 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
5479 return -1;
5480
5481 if (params->htcaps && params->htcaps_mask) {
5482 int sz = sizeof(struct ieee80211_ht_capabilities);
5483 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
5484 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
5485 params->htcaps_mask, sz);
5486 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
5487 params->htcaps) ||
5488 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
5489 params->htcaps_mask))
5490 return -1;
5491 }
5492
5493 #ifdef CONFIG_VHT_OVERRIDES
5494 if (params->disable_vht) {
5495 wpa_printf(MSG_DEBUG, " * VHT disabled");
5496 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
5497 return -1;
5498 }
5499
5500 if (params->vhtcaps && params->vhtcaps_mask) {
5501 int sz = sizeof(struct ieee80211_vht_capabilities);
5502 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
5503 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
5504 params->vhtcaps_mask, sz);
5505 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
5506 params->vhtcaps) ||
5507 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
5508 params->vhtcaps_mask))
5509 return -1;
5510 }
5511 #endif /* CONFIG_VHT_OVERRIDES */
5512
5513 return 0;
5514 }
5515
5516
5517 static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
5518 struct wpa_driver_associate_params *params)
5519 {
5520 struct nl_msg *msg;
5521 int ret = -1;
5522 int count = 0;
5523
5524 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
5525
5526 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5527 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5528 "IBSS mode");
5529 return -1;
5530 }
5531
5532 retry:
5533 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
5534 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
5535 goto fail;
5536
5537 wpa_printf(MSG_DEBUG, " * SSID=%s",
5538 wpa_ssid_txt(params->ssid, params->ssid_len));
5539 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5540 goto fail;
5541 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5542 drv->ssid_len = params->ssid_len;
5543
5544 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
5545 nl80211_put_beacon_int(msg, params->beacon_int))
5546 goto fail;
5547
5548 ret = nl80211_set_conn_keys(params, msg);
5549 if (ret)
5550 goto fail;
5551
5552 if (params->bssid && params->fixed_bssid) {
5553 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
5554 MAC2STR(params->bssid));
5555 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5556 goto fail;
5557 }
5558
5559 if (params->fixed_freq) {
5560 wpa_printf(MSG_DEBUG, " * fixed_freq");
5561 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
5562 goto fail;
5563 }
5564
5565 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5566 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5567 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5568 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
5569 wpa_printf(MSG_DEBUG, " * control port");
5570 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5571 goto fail;
5572 }
5573
5574 if (params->wpa_ie) {
5575 wpa_hexdump(MSG_DEBUG,
5576 " * Extra IEs for Beacon/Probe Response frames",
5577 params->wpa_ie, params->wpa_ie_len);
5578 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
5579 params->wpa_ie))
5580 goto fail;
5581 }
5582
5583 ret = nl80211_ht_vht_overrides(msg, params);
5584 if (ret < 0)
5585 goto fail;
5586
5587 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5588 msg = NULL;
5589 if (ret) {
5590 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
5591 ret, strerror(-ret));
5592 count++;
5593 if (ret == -EALREADY && count == 1) {
5594 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
5595 "forced leave");
5596 nl80211_leave_ibss(drv, 0);
5597 nlmsg_free(msg);
5598 goto retry;
5599 }
5600 } else {
5601 wpa_printf(MSG_DEBUG,
5602 "nl80211: Join IBSS request sent successfully");
5603 }
5604
5605 fail:
5606 nlmsg_free(msg);
5607 return ret;
5608 }
5609
5610
5611 static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
5612 struct wpa_driver_associate_params *params,
5613 struct nl_msg *msg)
5614 {
5615 if (params->fils_erp_username_len) {
5616 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username",
5617 params->fils_erp_username,
5618 params->fils_erp_username_len);
5619 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
5620 params->fils_erp_username_len,
5621 params->fils_erp_username))
5622 return -1;
5623 }
5624
5625 if (params->fils_erp_realm_len) {
5626 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm",
5627 params->fils_erp_realm,
5628 params->fils_erp_realm_len);
5629 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
5630 params->fils_erp_realm_len, params->fils_erp_realm))
5631 return -1;
5632 }
5633
5634 wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u",
5635 params->fils_erp_next_seq_num);
5636 if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
5637 params->fils_erp_next_seq_num))
5638 return -1;
5639
5640 if (params->fils_erp_rrk_len) {
5641 wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)",
5642 (unsigned long) params->fils_erp_rrk_len);
5643 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
5644 params->fils_erp_rrk_len, params->fils_erp_rrk))
5645 return -1;
5646 }
5647
5648 return 0;
5649 }
5650
5651
5652 static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
5653 struct wpa_driver_associate_params *params,
5654 struct nl_msg *msg)
5655 {
5656 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5657 return -1;
5658
5659 if (params->bssid) {
5660 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5661 MAC2STR(params->bssid));
5662 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5663 return -1;
5664 }
5665
5666 if (params->bssid_hint) {
5667 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
5668 MAC2STR(params->bssid_hint));
5669 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
5670 params->bssid_hint))
5671 return -1;
5672 }
5673
5674 if (params->freq.freq) {
5675 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
5676 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
5677 params->freq.freq))
5678 return -1;
5679 drv->assoc_freq = params->freq.freq;
5680 } else
5681 drv->assoc_freq = 0;
5682
5683 if (params->freq_hint) {
5684 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
5685 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
5686 params->freq_hint))
5687 return -1;
5688 }
5689
5690 if (params->freq.edmg.channels && params->freq.edmg.bw_config) {
5691 wpa_printf(MSG_DEBUG,
5692 " * EDMG configuration: channels=0x%x bw_config=%d",
5693 params->freq.edmg.channels,
5694 params->freq.edmg.bw_config);
5695 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
5696 params->freq.edmg.channels) ||
5697 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
5698 params->freq.edmg.bw_config))
5699 return -1;
5700 }
5701
5702 if (params->bg_scan_period >= 0) {
5703 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
5704 params->bg_scan_period);
5705 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
5706 params->bg_scan_period))
5707 return -1;
5708 }
5709
5710 if (params->ssid) {
5711 wpa_printf(MSG_DEBUG, " * SSID=%s",
5712 wpa_ssid_txt(params->ssid, params->ssid_len));
5713 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
5714 params->ssid))
5715 return -1;
5716 if (params->ssid_len > sizeof(drv->ssid))
5717 return -1;
5718 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5719 drv->ssid_len = params->ssid_len;
5720 }
5721
5722 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
5723 if (params->wpa_ie &&
5724 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
5725 return -1;
5726
5727 if (params->wpa_proto) {
5728 enum nl80211_wpa_versions ver = 0;
5729
5730 if (params->wpa_proto & WPA_PROTO_WPA)
5731 ver |= NL80211_WPA_VERSION_1;
5732 if (params->wpa_proto & WPA_PROTO_RSN)
5733 ver |= NL80211_WPA_VERSION_2;
5734
5735 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
5736 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5737 return -1;
5738 }
5739
5740 if (params->pairwise_suite != WPA_CIPHER_NONE) {
5741 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
5742 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
5743 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5744 cipher))
5745 return -1;
5746 }
5747
5748 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
5749 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
5750 /*
5751 * This is likely to work even though many drivers do not
5752 * advertise support for operations without GTK.
5753 */
5754 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
5755 } else if (params->group_suite != WPA_CIPHER_NONE) {
5756 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
5757 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
5758 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
5759 return -1;
5760 }
5761
5762 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5763 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5764 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
5765 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
5766 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
5767 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
5768 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5769 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5770 params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5771 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE ||
5772 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
5773 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
5774 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
5775 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
5776 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
5777 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
5778 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 ||
5779 params->key_mgmt_suite == WPA_KEY_MGMT_OWE ||
5780 params->key_mgmt_suite == WPA_KEY_MGMT_DPP) {
5781 int mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
5782
5783 switch (params->key_mgmt_suite) {
5784 case WPA_KEY_MGMT_CCKM:
5785 mgmt = RSN_AUTH_KEY_MGMT_CCKM;
5786 break;
5787 case WPA_KEY_MGMT_IEEE8021X:
5788 mgmt = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
5789 break;
5790 case WPA_KEY_MGMT_FT_IEEE8021X:
5791 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X;
5792 break;
5793 case WPA_KEY_MGMT_FT_PSK:
5794 mgmt = RSN_AUTH_KEY_MGMT_FT_PSK;
5795 break;
5796 case WPA_KEY_MGMT_IEEE8021X_SHA256:
5797 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
5798 break;
5799 case WPA_KEY_MGMT_PSK_SHA256:
5800 mgmt = RSN_AUTH_KEY_MGMT_PSK_SHA256;
5801 break;
5802 case WPA_KEY_MGMT_OSEN:
5803 mgmt = RSN_AUTH_KEY_MGMT_OSEN;
5804 break;
5805 case WPA_KEY_MGMT_SAE:
5806 mgmt = RSN_AUTH_KEY_MGMT_SAE;
5807 break;
5808 case WPA_KEY_MGMT_FT_SAE:
5809 mgmt = RSN_AUTH_KEY_MGMT_FT_SAE;
5810 break;
5811 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
5812 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
5813 break;
5814 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
5815 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
5816 break;
5817 case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
5818 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
5819 break;
5820 case WPA_KEY_MGMT_FILS_SHA256:
5821 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA256;
5822 break;
5823 case WPA_KEY_MGMT_FILS_SHA384:
5824 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA384;
5825 break;
5826 case WPA_KEY_MGMT_FT_FILS_SHA256:
5827 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
5828 break;
5829 case WPA_KEY_MGMT_FT_FILS_SHA384:
5830 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
5831 break;
5832 case WPA_KEY_MGMT_OWE:
5833 mgmt = RSN_AUTH_KEY_MGMT_OWE;
5834 break;
5835 case WPA_KEY_MGMT_DPP:
5836 mgmt = RSN_AUTH_KEY_MGMT_DPP;
5837 break;
5838 case WPA_KEY_MGMT_PSK:
5839 default:
5840 mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
5841 break;
5842 }
5843 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
5844 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
5845 return -1;
5846 }
5847
5848 if (params->req_handshake_offload &&
5849 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) {
5850 wpa_printf(MSG_DEBUG, " * WANT_1X_4WAY_HS");
5851 if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS))
5852 return -1;
5853 }
5854
5855 /* Add PSK in case of 4-way handshake offload */
5856 if (params->psk &&
5857 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) {
5858 wpa_hexdump_key(MSG_DEBUG, " * PSK", params->psk, 32);
5859 if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk))
5860 return -1;
5861 }
5862
5863 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5864 return -1;
5865
5866 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5867 (params->pairwise_suite == WPA_CIPHER_NONE ||
5868 params->pairwise_suite == WPA_CIPHER_WEP104 ||
5869 params->pairwise_suite == WPA_CIPHER_WEP40) &&
5870 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
5871 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
5872 return -1;
5873
5874 if (params->rrm_used) {
5875 u32 drv_rrm_flags = drv->capa.rrm_flags;
5876 if ((!((drv_rrm_flags &
5877 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
5878 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
5879 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
5880 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
5881 return -1;
5882 }
5883
5884 if (nl80211_ht_vht_overrides(msg, params) < 0)
5885 return -1;
5886
5887 if (params->p2p)
5888 wpa_printf(MSG_DEBUG, " * P2P group");
5889
5890 if (params->pbss) {
5891 wpa_printf(MSG_DEBUG, " * PBSS");
5892 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5893 return -1;
5894 }
5895
5896 drv->connect_reassoc = 0;
5897 if (params->prev_bssid) {
5898 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
5899 MAC2STR(params->prev_bssid));
5900 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
5901 params->prev_bssid))
5902 return -1;
5903 drv->connect_reassoc = 1;
5904 }
5905
5906 if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
5907 nl80211_put_fils_connect_params(drv, params, msg) != 0)
5908 return -1;
5909
5910 if ((params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5911 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) &&
5912 (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) &&
5913 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
5914 return -1;
5915
5916 return 0;
5917 }
5918
5919
5920 static int wpa_driver_nl80211_try_connect(
5921 struct wpa_driver_nl80211_data *drv,
5922 struct wpa_driver_associate_params *params,
5923 struct nl_sock *nl_connect)
5924 {
5925 struct nl_msg *msg;
5926 enum nl80211_auth_type type;
5927 int ret;
5928 int algs;
5929
5930 #ifdef CONFIG_DRIVER_NL80211_QCA
5931 if (params->req_key_mgmt_offload && params->psk &&
5932 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5933 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5934 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5935 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5936 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5937 if (ret)
5938 return ret;
5939 }
5940 #endif /* CONFIG_DRIVER_NL80211_QCA */
5941
5942 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5943 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
5944 if (!msg)
5945 return -1;
5946
5947 ret = nl80211_connect_common(drv, params, msg);
5948 if (ret)
5949 goto fail;
5950
5951 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5952 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5953 goto fail;
5954
5955 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL &&
5956 (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) &&
5957 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL))
5958 goto fail;
5959
5960 algs = 0;
5961 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5962 algs++;
5963 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5964 algs++;
5965 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5966 algs++;
5967 if (params->auth_alg & WPA_AUTH_ALG_FILS)
5968 algs++;
5969 if (params->auth_alg & WPA_AUTH_ALG_FT)
5970 algs++;
5971 if (algs > 1) {
5972 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5973 "selection");
5974 goto skip_auth_type;
5975 }
5976
5977 type = get_nl_auth_type(params->auth_alg);
5978 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
5979 if (type == NL80211_AUTHTYPE_MAX ||
5980 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
5981 goto fail;
5982
5983 skip_auth_type:
5984 ret = nl80211_set_conn_keys(params, msg);
5985 if (ret)
5986 goto fail;
5987
5988 if (nl_connect)
5989 ret = send_and_recv(drv->global, nl_connect, msg,
5990 NULL, (void *) -1);
5991 else
5992 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
5993
5994 msg = NULL;
5995 if (ret) {
5996 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5997 "(%s)", ret, strerror(-ret));
5998 } else {
5999 wpa_printf(MSG_DEBUG,
6000 "nl80211: Connect request send successfully");
6001 }
6002
6003 fail:
6004 nl80211_nlmsg_clear(msg);
6005 nlmsg_free(msg);
6006 return ret;
6007
6008 }
6009
6010
6011 static int wpa_driver_nl80211_connect(
6012 struct wpa_driver_nl80211_data *drv,
6013 struct wpa_driver_associate_params *params,
6014 struct nl_sock *nl_connect)
6015 {
6016 int ret;
6017
6018 /* Store the connection attempted bssid for future use */
6019 if (params->bssid)
6020 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
6021 else
6022 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
6023
6024 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
6025 if (ret == -EALREADY) {
6026 /*
6027 * cfg80211 does not currently accept new connections if
6028 * we are already connected. As a workaround, force
6029 * disconnection and try again.
6030 */
6031 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
6032 "disconnecting before reassociation "
6033 "attempt");
6034 if (wpa_driver_nl80211_disconnect(
6035 drv, WLAN_REASON_PREV_AUTH_NOT_VALID, nl_connect))
6036 return -1;
6037 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
6038 }
6039 return ret;
6040 }
6041
6042
6043 static int wpa_driver_nl80211_associate(
6044 void *priv, struct wpa_driver_associate_params *params)
6045 {
6046 struct i802_bss *bss = priv;
6047 struct wpa_driver_nl80211_data *drv = bss->drv;
6048 int ret = -1;
6049 struct nl_msg *msg;
6050
6051 nl80211_unmask_11b_rates(bss);
6052
6053 if (params->mode == IEEE80211_MODE_AP)
6054 return wpa_driver_nl80211_ap(drv, params);
6055
6056 if (params->mode == IEEE80211_MODE_IBSS)
6057 return wpa_driver_nl80211_ibss(drv, params);
6058
6059 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
6060 enum nl80211_iftype nlmode = params->p2p ?
6061 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
6062 struct nl_sock *nl_connect = NULL;
6063
6064 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
6065 return -1;
6066 if (params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
6067 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) {
6068 nl_connect = bss->nl_connect;
6069 bss->use_nl_connect = 1;
6070 } else {
6071 bss->use_nl_connect = 0;
6072 }
6073
6074 return wpa_driver_nl80211_connect(drv, params, nl_connect);
6075 }
6076
6077 nl80211_mark_disconnected(drv);
6078
6079 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
6080 drv->ifindex);
6081 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
6082 if (!msg)
6083 return -1;
6084
6085 ret = nl80211_connect_common(drv, params, msg);
6086 if (ret)
6087 goto fail;
6088
6089 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
6090 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
6091 goto fail;
6092
6093 if (params->fils_kek) {
6094 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
6095 (unsigned int) params->fils_kek_len);
6096 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
6097 params->fils_kek))
6098 goto fail;
6099 }
6100 if (params->fils_nonces) {
6101 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
6102 params->fils_nonces,
6103 params->fils_nonces_len);
6104 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
6105 params->fils_nonces_len, params->fils_nonces))
6106 goto fail;
6107 }
6108
6109 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6110 msg = NULL;
6111 if (ret) {
6112 wpa_dbg(drv->ctx, MSG_DEBUG,
6113 "nl80211: MLME command failed (assoc): ret=%d (%s)",
6114 ret, strerror(-ret));
6115 nl80211_dump_scan(drv);
6116 } else {
6117 wpa_printf(MSG_DEBUG,
6118 "nl80211: Association request send successfully");
6119 }
6120
6121 fail:
6122 nlmsg_free(msg);
6123 return ret;
6124 }
6125
6126
6127 static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
6128 int ifindex, enum nl80211_iftype mode)
6129 {
6130 struct nl_msg *msg;
6131 int ret = -ENOBUFS;
6132
6133 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
6134 ifindex, mode, nl80211_iftype_str(mode));
6135
6136 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
6137 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
6138 goto fail;
6139
6140 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6141 msg = NULL;
6142 if (!ret)
6143 return 0;
6144 fail:
6145 nlmsg_free(msg);
6146 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
6147 " %d (%s)", ifindex, mode, ret, strerror(-ret));
6148 return ret;
6149 }
6150
6151
6152 static int wpa_driver_nl80211_set_mode_impl(
6153 struct i802_bss *bss,
6154 enum nl80211_iftype nlmode,
6155 struct hostapd_freq_params *desired_freq_params)
6156 {
6157 struct wpa_driver_nl80211_data *drv = bss->drv;
6158 int ret = -1;
6159 int i;
6160 int was_ap = is_ap_interface(drv->nlmode);
6161 int res;
6162 int mode_switch_res;
6163
6164 if (TEST_FAIL())
6165 return -1;
6166
6167 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6168 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
6169 mode_switch_res = 0;
6170
6171 if (mode_switch_res == 0) {
6172 drv->nlmode = nlmode;
6173 ret = 0;
6174 goto done;
6175 }
6176
6177 if (mode_switch_res == -ENODEV)
6178 return -1;
6179
6180 if (nlmode == drv->nlmode) {
6181 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
6182 "requested mode - ignore error");
6183 ret = 0;
6184 goto done; /* Already in the requested mode */
6185 }
6186
6187 /* mac80211 doesn't allow mode changes while the device is up, so
6188 * take the device down, try to set the mode again, and bring the
6189 * device back up.
6190 */
6191 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
6192 "interface down");
6193 for (i = 0; i < 10; i++) {
6194 res = i802_set_iface_flags(bss, 0);
6195 if (res == -EACCES || res == -ENODEV)
6196 break;
6197 if (res != 0) {
6198 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
6199 "interface down");
6200 os_sleep(0, 100000);
6201 continue;
6202 }
6203
6204 /*
6205 * Setting the mode will fail for some drivers if the phy is
6206 * on a frequency that the mode is disallowed in.
6207 */
6208 if (desired_freq_params) {
6209 res = nl80211_set_channel(bss, desired_freq_params, 0);
6210 if (res) {
6211 wpa_printf(MSG_DEBUG,
6212 "nl80211: Failed to set frequency on interface");
6213 }
6214 }
6215
6216 /* Try to set the mode again while the interface is down */
6217 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6218 if (mode_switch_res == -EBUSY) {
6219 wpa_printf(MSG_DEBUG,
6220 "nl80211: Delaying mode set while interface going down");
6221 os_sleep(0, 100000);
6222 continue;
6223 }
6224 ret = mode_switch_res;
6225 break;
6226 }
6227
6228 if (!ret) {
6229 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
6230 "interface is down");
6231 drv->nlmode = nlmode;
6232 drv->ignore_if_down_event = 1;
6233 }
6234
6235 /* Bring the interface back up */
6236 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
6237 if (res != 0) {
6238 wpa_printf(MSG_DEBUG,
6239 "nl80211: Failed to set interface up after switching mode");
6240 ret = -1;
6241 }
6242
6243 done:
6244 if (ret) {
6245 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
6246 "from %d failed", nlmode, drv->nlmode);
6247 return ret;
6248 }
6249
6250 if (is_p2p_net_interface(nlmode)) {
6251 wpa_printf(MSG_DEBUG,
6252 "nl80211: Interface %s mode change to P2P - disable 11b rates",
6253 bss->ifname);
6254 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
6255 } else if (drv->disabled_11b_rates) {
6256 wpa_printf(MSG_DEBUG,
6257 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
6258 bss->ifname);
6259 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
6260 }
6261
6262 if (is_ap_interface(nlmode)) {
6263 nl80211_mgmt_unsubscribe(bss, "start AP");
6264 /* Setup additional AP mode functionality if needed */
6265 if (nl80211_setup_ap(bss))
6266 return -1;
6267 } else if (was_ap) {
6268 /* Remove additional AP mode functionality */
6269 nl80211_teardown_ap(bss);
6270 } else {
6271 nl80211_mgmt_unsubscribe(bss, "mode change");
6272 }
6273
6274 if (is_mesh_interface(nlmode) &&
6275 nl80211_mgmt_subscribe_mesh(bss))
6276 return -1;
6277
6278 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
6279 !is_mesh_interface(nlmode) &&
6280 nl80211_mgmt_subscribe_non_ap(bss) < 0)
6281 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
6282 "frame processing - ignore for now");
6283
6284 return 0;
6285 }
6286
6287
6288 int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
6289 enum nl80211_iftype nlmode)
6290 {
6291 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
6292 }
6293
6294
6295 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
6296 struct hostapd_freq_params *freq)
6297 {
6298 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
6299 freq);
6300 }
6301
6302
6303 static int wpa_driver_nl80211_get_capa(void *priv,
6304 struct wpa_driver_capa *capa)
6305 {
6306 struct i802_bss *bss = priv;
6307 struct wpa_driver_nl80211_data *drv = bss->drv;
6308
6309 if (!drv->has_capability)
6310 return -1;
6311 os_memcpy(capa, &drv->capa, sizeof(*capa));
6312 if (drv->extended_capa && drv->extended_capa_mask) {
6313 capa->extended_capa = drv->extended_capa;
6314 capa->extended_capa_mask = drv->extended_capa_mask;
6315 capa->extended_capa_len = drv->extended_capa_len;
6316 }
6317
6318 return 0;
6319 }
6320
6321
6322 static int wpa_driver_nl80211_set_operstate(void *priv, int state)
6323 {
6324 struct i802_bss *bss = priv;
6325 struct wpa_driver_nl80211_data *drv = bss->drv;
6326
6327 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
6328 bss->ifname, drv->operstate, state,
6329 state ? "UP" : "DORMANT");
6330 drv->operstate = state;
6331 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
6332 state ? IF_OPER_UP : IF_OPER_DORMANT);
6333 }
6334
6335
6336 static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
6337 {
6338 struct i802_bss *bss = priv;
6339 struct wpa_driver_nl80211_data *drv = bss->drv;
6340 struct nl_msg *msg;
6341 struct nl80211_sta_flag_update upd;
6342 int ret;
6343
6344 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
6345 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
6346 return 0;
6347 }
6348
6349 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
6350 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
6351
6352 os_memset(&upd, 0, sizeof(upd));
6353 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
6354 if (authorized)
6355 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
6356
6357 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
6358 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
6359 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
6360 nlmsg_free(msg);
6361 return -ENOBUFS;
6362 }
6363
6364 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6365 if (!ret)
6366 return 0;
6367 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
6368 ret, strerror(-ret));
6369 return ret;
6370 }
6371
6372
6373 /* Set kernel driver on given frequency (MHz) */
6374 static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
6375 {
6376 struct i802_bss *bss = priv;
6377 return nl80211_set_channel(bss, freq, 0);
6378 }
6379
6380
6381 static inline int min_int(int a, int b)
6382 {
6383 if (a < b)
6384 return a;
6385 return b;
6386 }
6387
6388
6389 static int get_key_handler(struct nl_msg *msg, void *arg)
6390 {
6391 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6392 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6393
6394 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6395 genlmsg_attrlen(gnlh, 0), NULL);
6396
6397 /*
6398 * TODO: validate the key index and mac address!
6399 * Otherwise, there's a race condition as soon as
6400 * the kernel starts sending key notifications.
6401 */
6402
6403 if (tb[NL80211_ATTR_KEY_SEQ])
6404 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
6405 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
6406 nl80211_nlmsg_clear(msg);
6407 return NL_SKIP;
6408 }
6409
6410
6411 static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
6412 int idx, u8 *seq)
6413 {
6414 struct i802_bss *bss = priv;
6415 struct wpa_driver_nl80211_data *drv = bss->drv;
6416 struct nl_msg *msg;
6417
6418 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
6419 NL80211_CMD_GET_KEY);
6420 if (!msg ||
6421 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
6422 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
6423 nlmsg_free(msg);
6424 return -ENOBUFS;
6425 }
6426
6427 memset(seq, 0, 6);
6428
6429 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
6430 }
6431
6432
6433 static int i802_set_rts(void *priv, int rts)
6434 {
6435 struct i802_bss *bss = priv;
6436 struct wpa_driver_nl80211_data *drv = bss->drv;
6437 struct nl_msg *msg;
6438 int ret;
6439 u32 val;
6440
6441 if (rts >= 2347 || rts == -1)
6442 val = (u32) -1;
6443 else
6444 val = rts;
6445
6446 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
6447 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
6448 nlmsg_free(msg);
6449 return -ENOBUFS;
6450 }
6451
6452 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6453 if (!ret)
6454 return 0;
6455 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
6456 "%d (%s)", rts, ret, strerror(-ret));
6457 return ret;
6458 }
6459
6460
6461 static int i802_set_frag(void *priv, int frag)
6462 {
6463 struct i802_bss *bss = priv;
6464 struct wpa_driver_nl80211_data *drv = bss->drv;
6465 struct nl_msg *msg;
6466 int ret;
6467 u32 val;
6468
6469 if (frag >= 2346 || frag == -1)
6470 val = (u32) -1;
6471 else
6472 val = frag;
6473
6474 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
6475 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
6476 nlmsg_free(msg);
6477 return -ENOBUFS;
6478 }
6479
6480 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6481 if (!ret)
6482 return 0;
6483 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
6484 "%d: %d (%s)", frag, ret, strerror(-ret));
6485 return ret;
6486 }
6487
6488
6489 static int i802_flush(void *priv)
6490 {
6491 struct i802_bss *bss = priv;
6492 struct nl_msg *msg;
6493 int res;
6494
6495 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
6496 bss->ifname);
6497
6498 /*
6499 * XXX: FIX! this needs to flush all VLANs too
6500 */
6501 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
6502 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
6503 if (res) {
6504 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
6505 "(%s)", res, strerror(-res));
6506 }
6507 return res;
6508 }
6509
6510
6511 static void get_sta_tid_stats(struct hostap_sta_driver_data *data,
6512 struct nlattr *attr)
6513 {
6514 struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr;
6515 struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1];
6516 static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = {
6517 [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 },
6518 [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 },
6519 };
6520 int rem;
6521
6522 nla_for_each_nested(tidattr, attr, rem) {
6523 if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX,
6524 tidattr, NULL) != 0 ||
6525 !tid_stats[NL80211_TID_STATS_TXQ_STATS] ||
6526 nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX,
6527 tid_stats[NL80211_TID_STATS_TXQ_STATS],
6528 txq_stats_policy) != 0)
6529 continue;
6530 /* sum the backlogs over all TIDs for station */
6531 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES])
6532 data->backlog_bytes += nla_get_u32(
6533 txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]);
6534 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS])
6535 data->backlog_bytes += nla_get_u32(
6536 txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]);
6537 }
6538 }
6539
6540
6541 static int get_sta_handler(struct nl_msg *msg, void *arg)
6542 {
6543 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6544 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6545 struct hostap_sta_driver_data *data = arg;
6546 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
6547 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
6548 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
6549 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
6550 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
6551 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
6552 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
6553 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
6554 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
6555 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
6556 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
6557 [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 },
6558 [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
6559 [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 },
6560 };
6561 struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
6562 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
6563 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
6564 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
6565 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
6566 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
6567 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
6568 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
6569 };
6570
6571 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6572 genlmsg_attrlen(gnlh, 0), NULL);
6573
6574 /*
6575 * TODO: validate the interface and mac address!
6576 * Otherwise, there's a race condition as soon as
6577 * the kernel starts sending station notifications.
6578 */
6579
6580 if (!tb[NL80211_ATTR_STA_INFO]) {
6581 wpa_printf(MSG_DEBUG, "sta stats missing!");
6582 return NL_SKIP;
6583 }
6584 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
6585 tb[NL80211_ATTR_STA_INFO],
6586 stats_policy)) {
6587 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
6588 return NL_SKIP;
6589 }
6590
6591 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
6592 data->inactive_msec =
6593 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
6594 /* For backwards compatibility, fetch the 32-bit counters first. */
6595 if (stats[NL80211_STA_INFO_RX_BYTES])
6596 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
6597 if (stats[NL80211_STA_INFO_TX_BYTES])
6598 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
6599 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
6600 stats[NL80211_STA_INFO_TX_BYTES64]) {
6601 /*
6602 * The driver supports 64-bit counters, so use them to override
6603 * the 32-bit values.
6604 */
6605 data->rx_bytes =
6606 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
6607 data->tx_bytes =
6608 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
6609 data->bytes_64bit = 1;
6610 }
6611 if (stats[NL80211_STA_INFO_RX_PACKETS])
6612 data->rx_packets =
6613 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
6614 if (stats[NL80211_STA_INFO_TX_PACKETS])
6615 data->tx_packets =
6616 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
6617 if (stats[NL80211_STA_INFO_RX_DURATION])
6618 data->rx_airtime =
6619 nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]);
6620 if (stats[NL80211_STA_INFO_TX_DURATION])
6621 data->tx_airtime =
6622 nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]);
6623 if (stats[NL80211_STA_INFO_TX_FAILED])
6624 data->tx_retry_failed =
6625 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
6626 if (stats[NL80211_STA_INFO_SIGNAL])
6627 data->signal = nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
6628 if (stats[NL80211_STA_INFO_ACK_SIGNAL]) {
6629 data->last_ack_rssi =
6630 nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]);
6631 data->flags |= STA_DRV_DATA_LAST_ACK_RSSI;
6632 }
6633
6634 if (stats[NL80211_STA_INFO_TX_BITRATE] &&
6635 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6636 stats[NL80211_STA_INFO_TX_BITRATE],
6637 rate_policy) == 0) {
6638 if (rate[NL80211_RATE_INFO_BITRATE32])
6639 data->current_tx_rate =
6640 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6641 else if (rate[NL80211_RATE_INFO_BITRATE])
6642 data->current_tx_rate =
6643 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6644
6645 if (rate[NL80211_RATE_INFO_MCS]) {
6646 data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6647 data->flags |= STA_DRV_DATA_TX_MCS;
6648 }
6649 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6650 data->tx_vhtmcs =
6651 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6652 data->flags |= STA_DRV_DATA_TX_VHT_MCS;
6653 }
6654 if (rate[NL80211_RATE_INFO_SHORT_GI])
6655 data->flags |= STA_DRV_DATA_TX_SHORT_GI;
6656 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6657 data->tx_vht_nss =
6658 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6659 data->flags |= STA_DRV_DATA_TX_VHT_NSS;
6660 }
6661 }
6662
6663 if (stats[NL80211_STA_INFO_RX_BITRATE] &&
6664 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6665 stats[NL80211_STA_INFO_RX_BITRATE],
6666 rate_policy) == 0) {
6667 if (rate[NL80211_RATE_INFO_BITRATE32])
6668 data->current_rx_rate =
6669 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6670 else if (rate[NL80211_RATE_INFO_BITRATE])
6671 data->current_rx_rate =
6672 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6673
6674 if (rate[NL80211_RATE_INFO_MCS]) {
6675 data->rx_mcs =
6676 nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6677 data->flags |= STA_DRV_DATA_RX_MCS;
6678 }
6679 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6680 data->rx_vhtmcs =
6681 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6682 data->flags |= STA_DRV_DATA_RX_VHT_MCS;
6683 }
6684 if (rate[NL80211_RATE_INFO_SHORT_GI])
6685 data->flags |= STA_DRV_DATA_RX_SHORT_GI;
6686 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6687 data->rx_vht_nss =
6688 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6689 data->flags |= STA_DRV_DATA_RX_VHT_NSS;
6690 }
6691 }
6692
6693 if (stats[NL80211_STA_INFO_TID_STATS])
6694 get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]);
6695
6696 return NL_SKIP;
6697 }
6698
6699 static int i802_read_sta_data(struct i802_bss *bss,
6700 struct hostap_sta_driver_data *data,
6701 const u8 *addr)
6702 {
6703 struct nl_msg *msg;
6704
6705 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
6706 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
6707 nlmsg_free(msg);
6708 return -ENOBUFS;
6709 }
6710
6711 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
6712 }
6713
6714
6715 static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
6716 int cw_min, int cw_max, int burst_time)
6717 {
6718 struct i802_bss *bss = priv;
6719 struct wpa_driver_nl80211_data *drv = bss->drv;
6720 struct nl_msg *msg;
6721 struct nlattr *txq, *params;
6722 int res;
6723
6724 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
6725 if (!msg)
6726 return -1;
6727
6728 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
6729 if (!txq)
6730 goto fail;
6731
6732 /* We are only sending parameters for a single TXQ at a time */
6733 params = nla_nest_start(msg, 1);
6734 if (!params)
6735 goto fail;
6736
6737 switch (queue) {
6738 case 0:
6739 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
6740 goto fail;
6741 break;
6742 case 1:
6743 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
6744 goto fail;
6745 break;
6746 case 2:
6747 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
6748 goto fail;
6749 break;
6750 case 3:
6751 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
6752 goto fail;
6753 break;
6754 }
6755 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
6756 * 32 usec, so need to convert the value here. */
6757 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
6758 (burst_time * 100 + 16) / 32) ||
6759 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
6760 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
6761 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
6762 goto fail;
6763
6764 nla_nest_end(msg, params);
6765
6766 nla_nest_end(msg, txq);
6767
6768 res = send_and_recv_msgs(drv, msg, NULL, NULL);
6769 wpa_printf(MSG_DEBUG,
6770 "nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
6771 queue, aifs, cw_min, cw_max, burst_time, res);
6772 if (res == 0)
6773 return 0;
6774 msg = NULL;
6775 fail:
6776 nlmsg_free(msg);
6777 return -1;
6778 }
6779
6780
6781 static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
6782 const char *ifname, int vlan_id)
6783 {
6784 struct wpa_driver_nl80211_data *drv = bss->drv;
6785 struct nl_msg *msg;
6786 int ret;
6787
6788 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
6789 ", ifname=%s[%d], vlan_id=%d)",
6790 bss->ifname, if_nametoindex(bss->ifname),
6791 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
6792 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
6793 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6794 ((drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) &&
6795 nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id)) ||
6796 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
6797 nlmsg_free(msg);
6798 return -ENOBUFS;
6799 }
6800
6801 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6802 if (ret < 0) {
6803 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
6804 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
6805 MAC2STR(addr), ifname, vlan_id, ret,
6806 strerror(-ret));
6807 }
6808 return ret;
6809 }
6810
6811
6812 static int i802_get_inact_sec(void *priv, const u8 *addr)
6813 {
6814 struct hostap_sta_driver_data data;
6815 int ret;
6816
6817 os_memset(&data, 0, sizeof(data));
6818 data.inactive_msec = (unsigned long) -1;
6819 ret = i802_read_sta_data(priv, &data, addr);
6820 if (ret == -ENOENT)
6821 return -ENOENT;
6822 if (ret || data.inactive_msec == (unsigned long) -1)
6823 return -1;
6824 return data.inactive_msec / 1000;
6825 }
6826
6827
6828 static int i802_sta_clear_stats(void *priv, const u8 *addr)
6829 {
6830 #if 0
6831 /* TODO */
6832 #endif
6833 return 0;
6834 }
6835
6836
6837 static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
6838 u16 reason)
6839 {
6840 struct i802_bss *bss = priv;
6841 struct wpa_driver_nl80211_data *drv = bss->drv;
6842 struct ieee80211_mgmt mgmt;
6843 u8 channel;
6844
6845 if (ieee80211_freq_to_chan(bss->freq, &channel) ==
6846 HOSTAPD_MODE_IEEE80211AD) {
6847 /* Deauthentication is not used in DMG/IEEE 802.11ad;
6848 * disassociate the STA instead. */
6849 return i802_sta_disassoc(priv, own_addr, addr, reason);
6850 }
6851
6852 if (is_mesh_interface(drv->nlmode))
6853 return -1;
6854
6855 if (drv->device_ap_sme)
6856 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
6857
6858 memset(&mgmt, 0, sizeof(mgmt));
6859 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6860 WLAN_FC_STYPE_DEAUTH);
6861 memcpy(mgmt.da, addr, ETH_ALEN);
6862 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6863 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
6864 mgmt.u.deauth.reason_code = host_to_le16(reason);
6865 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
6866 IEEE80211_HDRLEN +
6867 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
6868 0, NULL, 0, 0);
6869 }
6870
6871
6872 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
6873 u16 reason)
6874 {
6875 struct i802_bss *bss = priv;
6876 struct wpa_driver_nl80211_data *drv = bss->drv;
6877 struct ieee80211_mgmt mgmt;
6878
6879 if (is_mesh_interface(drv->nlmode))
6880 return -1;
6881
6882 if (drv->device_ap_sme)
6883 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
6884
6885 memset(&mgmt, 0, sizeof(mgmt));
6886 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6887 WLAN_FC_STYPE_DISASSOC);
6888 memcpy(mgmt.da, addr, ETH_ALEN);
6889 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6890 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
6891 mgmt.u.disassoc.reason_code = host_to_le16(reason);
6892 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
6893 IEEE80211_HDRLEN +
6894 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
6895 0, NULL, 0, 0);
6896 }
6897
6898
6899 static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
6900 {
6901 char buf[200], *pos, *end;
6902 int i, res;
6903
6904 pos = buf;
6905 end = pos + sizeof(buf);
6906
6907 for (i = 0; i < drv->num_if_indices; i++) {
6908 if (!drv->if_indices[i].ifindex)
6909 continue;
6910 res = os_snprintf(pos, end - pos, " %d(%d)",
6911 drv->if_indices[i].ifindex,
6912 drv->if_indices[i].reason);
6913 if (os_snprintf_error(end - pos, res))
6914 break;
6915 pos += res;
6916 }
6917 *pos = '\0';
6918
6919 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
6920 drv->num_if_indices, buf);
6921 }
6922
6923
6924 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6925 int ifidx_reason)
6926 {
6927 int i;
6928 struct drv_nl80211_if_info *old;
6929
6930 wpa_printf(MSG_DEBUG,
6931 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
6932 ifidx, ifidx_reason);
6933 if (have_ifidx(drv, ifidx, ifidx_reason)) {
6934 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
6935 ifidx);
6936 return;
6937 }
6938 for (i = 0; i < drv->num_if_indices; i++) {
6939 if (drv->if_indices[i].ifindex == 0) {
6940 drv->if_indices[i].ifindex = ifidx;
6941 drv->if_indices[i].reason = ifidx_reason;
6942 dump_ifidx(drv);
6943 return;
6944 }
6945 }
6946
6947 if (drv->if_indices != drv->default_if_indices)
6948 old = drv->if_indices;
6949 else
6950 old = NULL;
6951
6952 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
6953 sizeof(*old));
6954 if (!drv->if_indices) {
6955 if (!old)
6956 drv->if_indices = drv->default_if_indices;
6957 else
6958 drv->if_indices = old;
6959 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
6960 "interfaces");
6961 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
6962 return;
6963 }
6964 if (!old)
6965 os_memcpy(drv->if_indices, drv->default_if_indices,
6966 sizeof(drv->default_if_indices));
6967 drv->if_indices[drv->num_if_indices].ifindex = ifidx;
6968 drv->if_indices[drv->num_if_indices].reason = ifidx_reason;
6969 drv->num_if_indices++;
6970 dump_ifidx(drv);
6971 }
6972
6973
6974 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6975 int ifidx_reason)
6976 {
6977 int i;
6978
6979 for (i = 0; i < drv->num_if_indices; i++) {
6980 if ((drv->if_indices[i].ifindex == ifidx ||
6981 ifidx == IFIDX_ANY) &&
6982 (drv->if_indices[i].reason == ifidx_reason ||
6983 ifidx_reason == IFIDX_ANY)) {
6984 drv->if_indices[i].ifindex = 0;
6985 drv->if_indices[i].reason = 0;
6986 break;
6987 }
6988 }
6989 dump_ifidx(drv);
6990 }
6991
6992
6993 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6994 int ifidx_reason)
6995 {
6996 int i;
6997
6998 for (i = 0; i < drv->num_if_indices; i++)
6999 if (drv->if_indices[i].ifindex == ifidx &&
7000 (drv->if_indices[i].reason == ifidx_reason ||
7001 ifidx_reason == IFIDX_ANY))
7002 return 1;
7003
7004 return 0;
7005 }
7006
7007
7008 static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
7009 const char *bridge_ifname, char *ifname_wds)
7010 {
7011 struct i802_bss *bss = priv;
7012 struct wpa_driver_nl80211_data *drv = bss->drv;
7013 char name[IFNAMSIZ + 1];
7014 union wpa_event_data event;
7015 int ret;
7016
7017 ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
7018 if (ret >= (int) sizeof(name))
7019 wpa_printf(MSG_WARNING,
7020 "nl80211: WDS interface name was truncated");
7021 else if (ret < 0)
7022 return ret;
7023
7024 if (ifname_wds)
7025 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
7026
7027 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
7028 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
7029 if (val) {
7030 if (!if_nametoindex(name)) {
7031 if (nl80211_create_iface(drv, name,
7032 NL80211_IFTYPE_AP_VLAN,
7033 bss->addr, 1, NULL, NULL, 0) <
7034 0)
7035 return -1;
7036 if (bridge_ifname &&
7037 linux_br_add_if(drv->global->ioctl_sock,
7038 bridge_ifname, name) < 0)
7039 return -1;
7040
7041 os_memset(&event, 0, sizeof(event));
7042 event.wds_sta_interface.sta_addr = addr;
7043 event.wds_sta_interface.ifname = name;
7044 event.wds_sta_interface.istatus = INTERFACE_ADDED;
7045 wpa_supplicant_event(bss->ctx,
7046 EVENT_WDS_STA_INTERFACE_STATUS,
7047 &event);
7048 }
7049 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
7050 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
7051 "interface %s up", name);
7052 }
7053 return i802_set_sta_vlan(priv, addr, name, 0);
7054 } else {
7055 if (bridge_ifname &&
7056 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
7057 name) < 0)
7058 wpa_printf(MSG_INFO,
7059 "nl80211: Failed to remove interface %s from bridge %s: %s",
7060 name, bridge_ifname, strerror(errno));
7061
7062 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
7063 nl80211_remove_iface(drv, if_nametoindex(name));
7064 os_memset(&event, 0, sizeof(event));
7065 event.wds_sta_interface.sta_addr = addr;
7066 event.wds_sta_interface.ifname = name;
7067 event.wds_sta_interface.istatus = INTERFACE_REMOVED;
7068 wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS,
7069 &event);
7070 return 0;
7071 }
7072 }
7073
7074
7075 static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
7076 {
7077 struct wpa_driver_nl80211_data *drv = eloop_ctx;
7078 struct sockaddr_ll lladdr;
7079 unsigned char buf[3000];
7080 int len;
7081 socklen_t fromlen = sizeof(lladdr);
7082
7083 len = recvfrom(sock, buf, sizeof(buf), 0,
7084 (struct sockaddr *)&lladdr, &fromlen);
7085 if (len < 0) {
7086 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
7087 strerror(errno));
7088 return;
7089 }
7090
7091 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
7092 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
7093 }
7094
7095
7096 static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
7097 struct i802_bss *bss,
7098 const char *brname, const char *ifname)
7099 {
7100 int br_ifindex;
7101 char in_br[IFNAMSIZ];
7102
7103 os_strlcpy(bss->brname, brname, IFNAMSIZ);
7104 br_ifindex = if_nametoindex(brname);
7105 if (br_ifindex == 0) {
7106 /*
7107 * Bridge was configured, but the bridge device does
7108 * not exist. Try to add it now.
7109 */
7110 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
7111 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
7112 "bridge interface %s: %s",
7113 brname, strerror(errno));
7114 return -1;
7115 }
7116 bss->added_bridge = 1;
7117 br_ifindex = if_nametoindex(brname);
7118 add_ifidx(drv, br_ifindex, drv->ifindex);
7119 }
7120 bss->br_ifindex = br_ifindex;
7121
7122 if (linux_br_get(in_br, ifname) == 0) {
7123 if (os_strcmp(in_br, brname) == 0) {
7124 bss->already_in_bridge = 1;
7125 return 0; /* already in the bridge */
7126 }
7127
7128 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
7129 "bridge %s", ifname, in_br);
7130 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
7131 0) {
7132 wpa_printf(MSG_ERROR, "nl80211: Failed to "
7133 "remove interface %s from bridge "
7134 "%s: %s",
7135 ifname, in_br, strerror(errno));
7136 return -1;
7137 }
7138 }
7139
7140 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
7141 ifname, brname);
7142 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
7143 wpa_printf(MSG_WARNING,
7144 "nl80211: Failed to add interface %s into bridge %s: %s",
7145 ifname, brname, strerror(errno));
7146 /* Try to continue without the interface being in a bridge. This
7147 * may be needed for some cases, e.g., with Open vSwitch, where
7148 * an external component will need to handle bridge
7149 * configuration. */
7150 return 0;
7151 }
7152 bss->added_if_into_bridge = 1;
7153
7154 return 0;
7155 }
7156
7157
7158 static void *i802_init(struct hostapd_data *hapd,
7159 struct wpa_init_params *params)
7160 {
7161 struct wpa_driver_nl80211_data *drv;
7162 struct i802_bss *bss;
7163 size_t i;
7164 char master_ifname[IFNAMSIZ];
7165 int ifindex, br_ifindex = 0;
7166 int br_added = 0;
7167
7168 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
7169 params->global_priv, 1,
7170 params->bssid, params->driver_params);
7171 if (bss == NULL)
7172 return NULL;
7173
7174 drv = bss->drv;
7175
7176 if (linux_br_get(master_ifname, params->ifname) == 0) {
7177 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
7178 params->ifname, master_ifname);
7179 br_ifindex = if_nametoindex(master_ifname);
7180 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
7181 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
7182 linux_master_get(master_ifname, params->ifname) == 0) {
7183 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
7184 params->ifname, master_ifname);
7185 /* start listening for EAPOL on the master interface */
7186 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
7187
7188 /* check if master itself is under bridge */
7189 if (linux_br_get(master_ifname, master_ifname) == 0) {
7190 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
7191 master_ifname);
7192 br_ifindex = if_nametoindex(master_ifname);
7193 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
7194 }
7195 } else {
7196 master_ifname[0] = '\0';
7197 }
7198
7199 bss->br_ifindex = br_ifindex;
7200
7201 for (i = 0; i < params->num_bridge; i++) {
7202 if (params->bridge[i]) {
7203 ifindex = if_nametoindex(params->bridge[i]);
7204 if (ifindex)
7205 add_ifidx(drv, ifindex, drv->ifindex);
7206 if (ifindex == br_ifindex)
7207 br_added = 1;
7208 }
7209 }
7210
7211 /* start listening for EAPOL on the default AP interface */
7212 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
7213
7214 if (params->num_bridge && params->bridge[0]) {
7215 if (i802_check_bridge(drv, bss, params->bridge[0],
7216 params->ifname) < 0)
7217 goto failed;
7218 if (os_strcmp(params->bridge[0], master_ifname) != 0)
7219 br_added = 1;
7220 }
7221
7222 if (!br_added && br_ifindex &&
7223 (params->num_bridge == 0 || !params->bridge[0]))
7224 add_ifidx(drv, br_ifindex, drv->ifindex);
7225
7226 #ifdef CONFIG_LIBNL3_ROUTE
7227 if (bss->added_if_into_bridge || bss->already_in_bridge) {
7228 int err;
7229
7230 drv->rtnl_sk = nl_socket_alloc();
7231 if (drv->rtnl_sk == NULL) {
7232 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
7233 goto failed;
7234 }
7235
7236 err = nl_connect(drv->rtnl_sk, NETLINK_ROUTE);
7237 if (err) {
7238 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
7239 nl_geterror(err));
7240 goto failed;
7241 }
7242 }
7243 #endif /* CONFIG_LIBNL3_ROUTE */
7244
7245 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
7246 if (drv->eapol_sock < 0) {
7247 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
7248 strerror(errno));
7249 goto failed;
7250 }
7251
7252 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
7253 {
7254 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
7255 goto failed;
7256 }
7257
7258 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
7259 params->own_addr))
7260 goto failed;
7261 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
7262
7263 memcpy(bss->addr, params->own_addr, ETH_ALEN);
7264
7265 return bss;
7266
7267 failed:
7268 wpa_driver_nl80211_deinit(bss);
7269 return NULL;
7270 }
7271
7272
7273 static void i802_deinit(void *priv)
7274 {
7275 struct i802_bss *bss = priv;
7276 wpa_driver_nl80211_deinit(bss);
7277 }
7278
7279
7280 static enum nl80211_iftype wpa_driver_nl80211_if_type(
7281 enum wpa_driver_if_type type)
7282 {
7283 switch (type) {
7284 case WPA_IF_STATION:
7285 return NL80211_IFTYPE_STATION;
7286 case WPA_IF_P2P_CLIENT:
7287 case WPA_IF_P2P_GROUP:
7288 return NL80211_IFTYPE_P2P_CLIENT;
7289 case WPA_IF_AP_VLAN:
7290 return NL80211_IFTYPE_AP_VLAN;
7291 case WPA_IF_AP_BSS:
7292 return NL80211_IFTYPE_AP;
7293 case WPA_IF_P2P_GO:
7294 return NL80211_IFTYPE_P2P_GO;
7295 case WPA_IF_P2P_DEVICE:
7296 return NL80211_IFTYPE_P2P_DEVICE;
7297 case WPA_IF_MESH:
7298 return NL80211_IFTYPE_MESH_POINT;
7299 default:
7300 return -1;
7301 }
7302 }
7303
7304
7305 static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
7306 {
7307 struct wpa_driver_nl80211_data *drv;
7308 dl_list_for_each(drv, &global->interfaces,
7309 struct wpa_driver_nl80211_data, list) {
7310 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
7311 return 1;
7312 }
7313 return 0;
7314 }
7315
7316
7317 static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
7318 {
7319 unsigned int idx;
7320
7321 if (!drv->global)
7322 return -1;
7323
7324 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
7325 for (idx = 0; idx < 64; idx++) {
7326 new_addr[0] = drv->first_bss->addr[0] | 0x02;
7327 new_addr[0] ^= idx << 2;
7328 if (!nl80211_addr_in_use(drv->global, new_addr))
7329 break;
7330 }
7331 if (idx == 64)
7332 return -1;
7333
7334 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
7335 MACSTR, MAC2STR(new_addr));
7336
7337 return 0;
7338 }
7339
7340
7341 struct wdev_info {
7342 u64 wdev_id;
7343 int wdev_id_set;
7344 u8 macaddr[ETH_ALEN];
7345 };
7346
7347 static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
7348 {
7349 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7350 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7351 struct wdev_info *wi = arg;
7352
7353 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7354 genlmsg_attrlen(gnlh, 0), NULL);
7355 if (tb[NL80211_ATTR_WDEV]) {
7356 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
7357 wi->wdev_id_set = 1;
7358 }
7359
7360 if (tb[NL80211_ATTR_MAC])
7361 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
7362 ETH_ALEN);
7363
7364 return NL_SKIP;
7365 }
7366
7367
7368 static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
7369 const char *ifname, const u8 *addr,
7370 void *bss_ctx, void **drv_priv,
7371 char *force_ifname, u8 *if_addr,
7372 const char *bridge, int use_existing,
7373 int setup_ap)
7374 {
7375 enum nl80211_iftype nlmode;
7376 struct i802_bss *bss = priv;
7377 struct wpa_driver_nl80211_data *drv = bss->drv;
7378 int ifidx;
7379 int added = 1;
7380
7381 if (addr)
7382 os_memcpy(if_addr, addr, ETH_ALEN);
7383 nlmode = wpa_driver_nl80211_if_type(type);
7384 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
7385 struct wdev_info p2pdev_info;
7386
7387 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
7388 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
7389 0, nl80211_wdev_handler,
7390 &p2pdev_info, use_existing);
7391 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
7392 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
7393 ifname);
7394 return -1;
7395 }
7396
7397 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
7398 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
7399 if (!is_zero_ether_addr(p2pdev_info.macaddr))
7400 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
7401 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
7402 ifname,
7403 (long long unsigned int) p2pdev_info.wdev_id);
7404 } else {
7405 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
7406 0, NULL, NULL, use_existing);
7407 if (use_existing && ifidx == -ENFILE) {
7408 added = 0;
7409 ifidx = if_nametoindex(ifname);
7410 } else if (ifidx < 0) {
7411 return -1;
7412 }
7413 }
7414
7415 if (!addr) {
7416 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
7417 os_memcpy(if_addr, bss->addr, ETH_ALEN);
7418 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
7419 ifname, if_addr) < 0) {
7420 if (added)
7421 nl80211_remove_iface(drv, ifidx);
7422 return -1;
7423 }
7424 }
7425
7426 if (!addr &&
7427 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
7428 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
7429 type == WPA_IF_STATION)) {
7430 /* Enforce unique address */
7431 u8 new_addr[ETH_ALEN];
7432
7433 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
7434 new_addr) < 0) {
7435 if (added)
7436 nl80211_remove_iface(drv, ifidx);
7437 return -1;
7438 }
7439 if (nl80211_addr_in_use(drv->global, new_addr)) {
7440 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
7441 "for interface %s type %d", ifname, type);
7442 if (nl80211_vif_addr(drv, new_addr) < 0) {
7443 if (added)
7444 nl80211_remove_iface(drv, ifidx);
7445 return -1;
7446 }
7447 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
7448 new_addr) < 0) {
7449 if (added)
7450 nl80211_remove_iface(drv, ifidx);
7451 return -1;
7452 }
7453 }
7454 os_memcpy(if_addr, new_addr, ETH_ALEN);
7455 }
7456
7457 if (type == WPA_IF_AP_BSS && setup_ap) {
7458 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
7459 if (new_bss == NULL) {
7460 if (added)
7461 nl80211_remove_iface(drv, ifidx);
7462 return -1;
7463 }
7464
7465 if (bridge &&
7466 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
7467 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
7468 "interface %s to a bridge %s",
7469 ifname, bridge);
7470 if (added)
7471 nl80211_remove_iface(drv, ifidx);
7472 os_free(new_bss);
7473 return -1;
7474 }
7475
7476 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
7477 {
7478 if (added)
7479 nl80211_remove_iface(drv, ifidx);
7480 os_free(new_bss);
7481 return -1;
7482 }
7483 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
7484 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
7485 new_bss->ifindex = ifidx;
7486 new_bss->drv = drv;
7487 new_bss->next = drv->first_bss->next;
7488 new_bss->freq = drv->first_bss->freq;
7489 new_bss->ctx = bss_ctx;
7490 new_bss->added_if = added;
7491 drv->first_bss->next = new_bss;
7492 if (drv_priv)
7493 *drv_priv = new_bss;
7494 nl80211_init_bss(new_bss);
7495
7496 /* Subscribe management frames for this WPA_IF_AP_BSS */
7497 if (nl80211_setup_ap(new_bss))
7498 return -1;
7499 }
7500
7501 if (drv->global)
7502 drv->global->if_add_ifindex = ifidx;
7503
7504 /*
7505 * Some virtual interfaces need to process EAPOL packets and events on
7506 * the parent interface. This is used mainly with hostapd.
7507 */
7508 if (ifidx > 0 &&
7509 (drv->hostapd ||
7510 nlmode == NL80211_IFTYPE_AP_VLAN ||
7511 nlmode == NL80211_IFTYPE_WDS ||
7512 nlmode == NL80211_IFTYPE_MONITOR))
7513 add_ifidx(drv, ifidx, IFIDX_ANY);
7514
7515 return 0;
7516 }
7517
7518
7519 static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
7520 enum wpa_driver_if_type type,
7521 const char *ifname)
7522 {
7523 struct wpa_driver_nl80211_data *drv = bss->drv;
7524 int ifindex = if_nametoindex(ifname);
7525
7526 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
7527 __func__, type, ifname, ifindex, bss->added_if);
7528 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
7529 nl80211_remove_iface(drv, ifindex);
7530 else if (ifindex > 0 && !bss->added_if) {
7531 struct wpa_driver_nl80211_data *drv2;
7532 dl_list_for_each(drv2, &drv->global->interfaces,
7533 struct wpa_driver_nl80211_data, list) {
7534 del_ifidx(drv2, ifindex, IFIDX_ANY);
7535 del_ifidx(drv2, IFIDX_ANY, ifindex);
7536 }
7537 }
7538
7539 if (type != WPA_IF_AP_BSS)
7540 return 0;
7541
7542 if (bss->added_if_into_bridge) {
7543 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
7544 bss->ifname) < 0)
7545 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7546 "interface %s from bridge %s: %s",
7547 bss->ifname, bss->brname, strerror(errno));
7548 }
7549 if (bss->added_bridge) {
7550 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
7551 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7552 "bridge %s: %s",
7553 bss->brname, strerror(errno));
7554 }
7555
7556 if (bss != drv->first_bss) {
7557 struct i802_bss *tbss;
7558
7559 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
7560 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
7561 if (tbss->next == bss) {
7562 tbss->next = bss->next;
7563 /* Unsubscribe management frames */
7564 nl80211_teardown_ap(bss);
7565 nl80211_destroy_bss(bss);
7566 if (!bss->added_if)
7567 i802_set_iface_flags(bss, 0);
7568 os_free(bss);
7569 bss = NULL;
7570 break;
7571 }
7572 }
7573 if (bss)
7574 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
7575 "BSS %p in the list", __func__, bss);
7576 } else {
7577 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
7578 nl80211_teardown_ap(bss);
7579 if (!bss->added_if && !drv->first_bss->next)
7580 wpa_driver_nl80211_del_beacon(bss);
7581 nl80211_destroy_bss(bss);
7582 if (!bss->added_if)
7583 i802_set_iface_flags(bss, 0);
7584 if (drv->first_bss->next) {
7585 drv->first_bss = drv->first_bss->next;
7586 drv->ctx = drv->first_bss->ctx;
7587 os_free(bss);
7588 } else {
7589 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
7590 }
7591 }
7592
7593 return 0;
7594 }
7595
7596
7597 static int cookie_handler(struct nl_msg *msg, void *arg)
7598 {
7599 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7600 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7601 u64 *cookie = arg;
7602 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7603 genlmsg_attrlen(gnlh, 0), NULL);
7604 if (tb[NL80211_ATTR_COOKIE])
7605 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
7606 return NL_SKIP;
7607 }
7608
7609
7610 static int nl80211_send_frame_cmd(struct i802_bss *bss,
7611 unsigned int freq, unsigned int wait,
7612 const u8 *buf, size_t buf_len,
7613 int save_cookie, int no_cck, int no_ack,
7614 int offchanok, const u16 *csa_offs,
7615 size_t csa_offs_len)
7616 {
7617 struct wpa_driver_nl80211_data *drv = bss->drv;
7618 struct nl_msg *msg;
7619 u64 cookie;
7620 int ret = -1;
7621
7622 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
7623 "no_ack=%d offchanok=%d",
7624 freq, wait, no_cck, no_ack, offchanok);
7625 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
7626
7627 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
7628 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
7629 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
7630 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7631 drv->test_use_roc_tx) &&
7632 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
7633 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
7634 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
7635 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
7636 csa_offs_len * sizeof(u16), csa_offs)) ||
7637 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
7638 goto fail;
7639
7640 cookie = 0;
7641 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7642 msg = NULL;
7643 if (ret) {
7644 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
7645 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
7646 freq, wait);
7647 } else {
7648 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
7649 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
7650 (long long unsigned int) cookie);
7651
7652 if (save_cookie)
7653 drv->send_frame_cookie = no_ack ? (u64) -1 : cookie;
7654
7655 if (drv->num_send_frame_cookies == MAX_SEND_FRAME_COOKIES) {
7656 wpa_printf(MSG_DEBUG,
7657 "nl80211: Drop oldest pending send frame cookie 0x%llx",
7658 (long long unsigned int)
7659 drv->send_frame_cookies[0]);
7660 os_memmove(&drv->send_frame_cookies[0],
7661 &drv->send_frame_cookies[1],
7662 (MAX_SEND_FRAME_COOKIES - 1) *
7663 sizeof(u64));
7664 drv->num_send_frame_cookies--;
7665 }
7666 drv->send_frame_cookies[drv->num_send_frame_cookies] = cookie;
7667 drv->num_send_frame_cookies++;
7668 }
7669
7670 fail:
7671 nlmsg_free(msg);
7672 return ret;
7673 }
7674
7675
7676 static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
7677 unsigned int freq,
7678 unsigned int wait_time,
7679 const u8 *dst, const u8 *src,
7680 const u8 *bssid,
7681 const u8 *data, size_t data_len,
7682 int no_cck)
7683 {
7684 struct wpa_driver_nl80211_data *drv = bss->drv;
7685 int ret = -1;
7686 u8 *buf;
7687 struct ieee80211_hdr *hdr;
7688 int offchanok = 1;
7689
7690 if (is_ap_interface(drv->nlmode) && (int) freq == bss->freq)
7691 offchanok = 0;
7692
7693 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
7694 "freq=%u MHz wait=%d ms no_cck=%d offchanok=%d)",
7695 drv->ifindex, freq, wait_time, no_cck, offchanok);
7696
7697 buf = os_zalloc(24 + data_len);
7698 if (buf == NULL)
7699 return ret;
7700 os_memcpy(buf + 24, data, data_len);
7701 hdr = (struct ieee80211_hdr *) buf;
7702 hdr->frame_control =
7703 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
7704 os_memcpy(hdr->addr1, dst, ETH_ALEN);
7705 os_memcpy(hdr->addr2, src, ETH_ALEN);
7706 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
7707
7708 if (os_memcmp(bss->addr, src, ETH_ALEN) != 0) {
7709 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
7710 MAC2STR(src));
7711 os_memcpy(bss->rand_addr, src, ETH_ALEN);
7712 } else {
7713 os_memset(bss->rand_addr, 0, ETH_ALEN);
7714 }
7715
7716 if (is_ap_interface(drv->nlmode) &&
7717 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7718 (int) freq == bss->freq || drv->device_ap_sme ||
7719 !drv->use_monitor))
7720 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
7721 0, freq, no_cck, offchanok,
7722 wait_time, NULL, 0, 0);
7723 else
7724 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
7725 24 + data_len,
7726 1, no_cck, 0, offchanok, NULL, 0);
7727
7728 os_free(buf);
7729 return ret;
7730 }
7731
7732
7733 static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
7734 {
7735 struct wpa_driver_nl80211_data *drv = bss->drv;
7736 struct nl_msg *msg;
7737 int ret;
7738
7739 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
7740 (long long unsigned int) cookie);
7741 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
7742 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
7743 nlmsg_free(msg);
7744 return;
7745 }
7746
7747 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7748 if (ret)
7749 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
7750 "(%s)", ret, strerror(-ret));
7751 }
7752
7753
7754 static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
7755 {
7756 struct i802_bss *bss = priv;
7757 struct wpa_driver_nl80211_data *drv = bss->drv;
7758 unsigned int i;
7759 u64 cookie;
7760
7761 /* Cancel the last pending TX cookie */
7762 nl80211_frame_wait_cancel(bss, drv->send_frame_cookie);
7763
7764 /*
7765 * Cancel the other pending TX cookies, if any. This is needed since
7766 * the driver may keep a list of all pending offchannel TX operations
7767 * and free up the radio only once they have expired or cancelled.
7768 */
7769 for (i = drv->num_send_frame_cookies; i > 0; i--) {
7770 cookie = drv->send_frame_cookies[i - 1];
7771 if (cookie != drv->send_frame_cookie)
7772 nl80211_frame_wait_cancel(bss, cookie);
7773 }
7774 drv->num_send_frame_cookies = 0;
7775 }
7776
7777
7778 static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
7779 unsigned int duration)
7780 {
7781 struct i802_bss *bss = priv;
7782 struct wpa_driver_nl80211_data *drv = bss->drv;
7783 struct nl_msg *msg;
7784 int ret;
7785 u64 cookie;
7786
7787 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
7788 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
7789 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
7790 nlmsg_free(msg);
7791 return -1;
7792 }
7793
7794 cookie = 0;
7795 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7796 if (ret == 0) {
7797 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
7798 "0x%llx for freq=%u MHz duration=%u",
7799 (long long unsigned int) cookie, freq, duration);
7800 drv->remain_on_chan_cookie = cookie;
7801 drv->pending_remain_on_chan = 1;
7802 return 0;
7803 }
7804 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
7805 "(freq=%d duration=%u): %d (%s)",
7806 freq, duration, ret, strerror(-ret));
7807 return -1;
7808 }
7809
7810
7811 static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
7812 {
7813 struct i802_bss *bss = priv;
7814 struct wpa_driver_nl80211_data *drv = bss->drv;
7815 struct nl_msg *msg;
7816 int ret;
7817
7818 if (!drv->pending_remain_on_chan) {
7819 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
7820 "to cancel");
7821 return -1;
7822 }
7823
7824 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
7825 "0x%llx",
7826 (long long unsigned int) drv->remain_on_chan_cookie);
7827
7828 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
7829 if (!msg ||
7830 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
7831 nlmsg_free(msg);
7832 return -1;
7833 }
7834
7835 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7836 if (ret == 0)
7837 return 0;
7838 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
7839 "%d (%s)", ret, strerror(-ret));
7840 return -1;
7841 }
7842
7843
7844 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
7845 {
7846 struct wpa_driver_nl80211_data *drv = bss->drv;
7847
7848 if (!report) {
7849 if (bss->nl_preq && drv->device_ap_sme &&
7850 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
7851 !bss->static_ap) {
7852 /*
7853 * Do not disable Probe Request reporting that was
7854 * enabled in nl80211_setup_ap().
7855 */
7856 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
7857 "Probe Request reporting nl_preq=%p while "
7858 "in AP mode", bss->nl_preq);
7859 } else if (bss->nl_preq) {
7860 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
7861 "reporting nl_preq=%p", bss->nl_preq);
7862 nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
7863 }
7864 return 0;
7865 }
7866
7867 if (bss->nl_preq) {
7868 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
7869 "already on! nl_preq=%p", bss->nl_preq);
7870 return 0;
7871 }
7872
7873 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
7874 if (bss->nl_preq == NULL)
7875 return -1;
7876 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
7877 "reporting nl_preq=%p", bss->nl_preq);
7878
7879 if (nl80211_register_frame(bss, bss->nl_preq,
7880 (WLAN_FC_TYPE_MGMT << 2) |
7881 (WLAN_FC_STYPE_PROBE_REQ << 4),
7882 NULL, 0) < 0)
7883 goto out_err;
7884
7885 nl80211_register_eloop_read(&bss->nl_preq,
7886 wpa_driver_nl80211_event_receive,
7887 bss->nl_cb, 0);
7888
7889 return 0;
7890
7891 out_err:
7892 nl_destroy_handles(&bss->nl_preq);
7893 return -1;
7894 }
7895
7896
7897 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
7898 int ifindex, int disabled)
7899 {
7900 struct nl_msg *msg;
7901 struct nlattr *bands, *band;
7902 int ret;
7903
7904 wpa_printf(MSG_DEBUG,
7905 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
7906 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
7907 "no NL80211_TXRATE_LEGACY constraint");
7908
7909 msg = nl80211_ifindex_msg(drv, ifindex, 0,
7910 NL80211_CMD_SET_TX_BITRATE_MASK);
7911 if (!msg)
7912 return -1;
7913
7914 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
7915 if (!bands)
7916 goto fail;
7917
7918 /*
7919 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
7920 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
7921 * rates. All 5 GHz rates are left enabled.
7922 */
7923 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
7924 if (!band ||
7925 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
7926 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
7927 goto fail;
7928 nla_nest_end(msg, band);
7929
7930 nla_nest_end(msg, bands);
7931
7932 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7933 if (ret) {
7934 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
7935 "(%s)", ret, strerror(-ret));
7936 } else
7937 drv->disabled_11b_rates = disabled;
7938
7939 return ret;
7940
7941 fail:
7942 nlmsg_free(msg);
7943 return -1;
7944 }
7945
7946
7947 static int wpa_driver_nl80211_deinit_ap(void *priv)
7948 {
7949 struct i802_bss *bss = priv;
7950 struct wpa_driver_nl80211_data *drv = bss->drv;
7951 if (!is_ap_interface(drv->nlmode))
7952 return -1;
7953 wpa_driver_nl80211_del_beacon(bss);
7954 bss->beacon_set = 0;
7955
7956 /*
7957 * If the P2P GO interface was dynamically added, then it is
7958 * possible that the interface change to station is not possible.
7959 */
7960 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
7961 return 0;
7962
7963 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7964 }
7965
7966
7967 static int wpa_driver_nl80211_stop_ap(void *priv)
7968 {
7969 struct i802_bss *bss = priv;
7970 struct wpa_driver_nl80211_data *drv = bss->drv;
7971 if (!is_ap_interface(drv->nlmode))
7972 return -1;
7973 wpa_driver_nl80211_del_beacon(bss);
7974 bss->beacon_set = 0;
7975 return 0;
7976 }
7977
7978
7979 static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
7980 {
7981 struct i802_bss *bss = priv;
7982 struct wpa_driver_nl80211_data *drv = bss->drv;
7983 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
7984 return -1;
7985
7986 /*
7987 * If the P2P Client interface was dynamically added, then it is
7988 * possible that the interface change to station is not possible.
7989 */
7990 if (bss->if_dynamic)
7991 return 0;
7992
7993 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7994 }
7995
7996
7997 static void wpa_driver_nl80211_resume(void *priv)
7998 {
7999 struct i802_bss *bss = priv;
8000 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
8001
8002 if (i802_set_iface_flags(bss, 1))
8003 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
8004
8005 if (is_p2p_net_interface(nlmode))
8006 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
8007 }
8008
8009
8010 static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
8011 {
8012 struct i802_bss *bss = priv;
8013 struct wpa_driver_nl80211_data *drv = bss->drv;
8014 struct nl_msg *msg;
8015 struct nlattr *cqm;
8016
8017 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
8018 "hysteresis=%d", threshold, hysteresis);
8019
8020 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
8021 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
8022 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
8023 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
8024 nlmsg_free(msg);
8025 return -1;
8026 }
8027 nla_nest_end(msg, cqm);
8028
8029 return send_and_recv_msgs(drv, msg, NULL, NULL);
8030 }
8031
8032
8033 static int get_channel_width(struct nl_msg *msg, void *arg)
8034 {
8035 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8036 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8037 struct wpa_signal_info *sig_change = arg;
8038
8039 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8040 genlmsg_attrlen(gnlh, 0), NULL);
8041
8042 sig_change->center_frq1 = -1;
8043 sig_change->center_frq2 = -1;
8044 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
8045
8046 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
8047 sig_change->chanwidth = convert2width(
8048 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
8049 if (tb[NL80211_ATTR_CENTER_FREQ1])
8050 sig_change->center_frq1 =
8051 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
8052 if (tb[NL80211_ATTR_CENTER_FREQ2])
8053 sig_change->center_frq2 =
8054 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
8055 }
8056
8057 return NL_SKIP;
8058 }
8059
8060
8061 static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
8062 struct wpa_signal_info *sig)
8063 {
8064 struct nl_msg *msg;
8065
8066 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
8067 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
8068 }
8069
8070
8071 static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
8072 {
8073 struct i802_bss *bss = priv;
8074 struct wpa_driver_nl80211_data *drv = bss->drv;
8075 int res;
8076
8077 os_memset(si, 0, sizeof(*si));
8078 res = nl80211_get_link_signal(drv, si);
8079 if (res) {
8080 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
8081 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
8082 return res;
8083 si->current_signal = 0;
8084 }
8085
8086 res = nl80211_get_channel_width(drv, si);
8087 if (res != 0)
8088 return res;
8089
8090 return nl80211_get_link_noise(drv, si);
8091 }
8092
8093
8094 static int nl80211_set_param(void *priv, const char *param)
8095 {
8096 struct i802_bss *bss = priv;
8097 struct wpa_driver_nl80211_data *drv = bss->drv;
8098
8099 if (param == NULL)
8100 return 0;
8101 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
8102
8103 #ifdef CONFIG_P2P
8104 if (os_strstr(param, "use_p2p_group_interface=1")) {
8105 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
8106 "interface");
8107 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
8108 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
8109 }
8110 #endif /* CONFIG_P2P */
8111
8112 if (os_strstr(param, "use_monitor=1"))
8113 drv->use_monitor = 1;
8114
8115 if (os_strstr(param, "force_connect_cmd=1")) {
8116 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
8117 drv->force_connect_cmd = 1;
8118 }
8119
8120 if (os_strstr(param, "force_bss_selection=1"))
8121 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
8122
8123 if (os_strstr(param, "no_offchannel_tx=1")) {
8124 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
8125 drv->test_use_roc_tx = 1;
8126 }
8127
8128 if (os_strstr(param, "control_port=0"))
8129 drv->capa.flags &= ~WPA_DRIVER_FLAGS_CONTROL_PORT;
8130
8131 return 0;
8132 }
8133
8134
8135 static void * nl80211_global_init(void *ctx)
8136 {
8137 struct nl80211_global *global;
8138 struct netlink_config *cfg;
8139
8140 global = os_zalloc(sizeof(*global));
8141 if (global == NULL)
8142 return NULL;
8143 global->ctx = ctx;
8144 global->ioctl_sock = -1;
8145 dl_list_init(&global->interfaces);
8146 global->if_add_ifindex = -1;
8147
8148 cfg = os_zalloc(sizeof(*cfg));
8149 if (cfg == NULL)
8150 goto err;
8151
8152 cfg->ctx = global;
8153 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
8154 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
8155 global->netlink = netlink_init(cfg);
8156 if (global->netlink == NULL) {
8157 os_free(cfg);
8158 goto err;
8159 }
8160
8161 if (wpa_driver_nl80211_init_nl_global(global) < 0)
8162 goto err;
8163
8164 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
8165 if (global->ioctl_sock < 0) {
8166 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
8167 strerror(errno));
8168 goto err;
8169 }
8170
8171 return global;
8172
8173 err:
8174 nl80211_global_deinit(global);
8175 return NULL;
8176 }
8177
8178
8179 static void nl80211_global_deinit(void *priv)
8180 {
8181 struct nl80211_global *global = priv;
8182 if (global == NULL)
8183 return;
8184 if (!dl_list_empty(&global->interfaces)) {
8185 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
8186 "nl80211_global_deinit",
8187 dl_list_len(&global->interfaces));
8188 }
8189
8190 if (global->netlink)
8191 netlink_deinit(global->netlink);
8192
8193 nl_destroy_handles(&global->nl);
8194
8195 if (global->nl_event)
8196 nl80211_destroy_eloop_handle(&global->nl_event, 0);
8197
8198 nl_cb_put(global->nl_cb);
8199
8200 if (global->ioctl_sock >= 0)
8201 close(global->ioctl_sock);
8202
8203 os_free(global);
8204 }
8205
8206
8207 static const char * nl80211_get_radio_name(void *priv)
8208 {
8209 struct i802_bss *bss = priv;
8210 struct wpa_driver_nl80211_data *drv = bss->drv;
8211 return drv->phyname;
8212 }
8213
8214
8215 static int nl80211_pmkid(struct i802_bss *bss, int cmd,
8216 struct wpa_pmkid_params *params)
8217 {
8218 struct nl_msg *msg;
8219 const size_t PMK_MAX_LEN = 48; /* current cfg80211 limit */
8220
8221 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
8222 (params->pmkid &&
8223 nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
8224 (params->bssid &&
8225 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
8226 (params->ssid_len &&
8227 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
8228 (params->fils_cache_id &&
8229 nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
8230 params->fils_cache_id)) ||
8231 (cmd != NL80211_CMD_DEL_PMKSA &&
8232 params->pmk_len && params->pmk_len <= PMK_MAX_LEN &&
8233 nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
8234 nl80211_nlmsg_clear(msg);
8235 nlmsg_free(msg);
8236 return -ENOBUFS;
8237 }
8238
8239 return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1);
8240 }
8241
8242
8243 static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
8244 {
8245 struct i802_bss *bss = priv;
8246 int ret;
8247
8248 if (params->bssid)
8249 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
8250 MAC2STR(params->bssid));
8251 else if (params->fils_cache_id && params->ssid_len) {
8252 wpa_printf(MSG_DEBUG,
8253 "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
8254 params->fils_cache_id[0], params->fils_cache_id[1],
8255 wpa_ssid_txt(params->ssid, params->ssid_len));
8256 }
8257
8258 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params);
8259 if (ret < 0) {
8260 wpa_printf(MSG_DEBUG,
8261 "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)",
8262 ret, strerror(-ret));
8263 }
8264
8265 return ret;
8266 }
8267
8268
8269 static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
8270 {
8271 struct i802_bss *bss = priv;
8272 int ret;
8273
8274 if (params->bssid)
8275 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
8276 MAC2STR(params->bssid));
8277 else if (params->fils_cache_id && params->ssid_len) {
8278 wpa_printf(MSG_DEBUG,
8279 "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
8280 params->fils_cache_id[0], params->fils_cache_id[1],
8281 wpa_ssid_txt(params->ssid, params->ssid_len));
8282 }
8283
8284 ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params);
8285 if (ret < 0) {
8286 wpa_printf(MSG_DEBUG,
8287 "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)",
8288 ret, strerror(-ret));
8289 }
8290
8291 return ret;
8292 }
8293
8294
8295 static int nl80211_flush_pmkid(void *priv)
8296 {
8297 struct i802_bss *bss = priv;
8298 struct nl_msg *msg;
8299
8300 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
8301 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
8302 if (!msg)
8303 return -ENOBUFS;
8304 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8305 }
8306
8307
8308 static void clean_survey_results(struct survey_results *survey_results)
8309 {
8310 struct freq_survey *survey, *tmp;
8311
8312 if (dl_list_empty(&survey_results->survey_list))
8313 return;
8314
8315 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
8316 struct freq_survey, list) {
8317 dl_list_del(&survey->list);
8318 os_free(survey);
8319 }
8320 }
8321
8322
8323 static void add_survey(struct nlattr **sinfo, u32 ifidx,
8324 struct dl_list *survey_list)
8325 {
8326 struct freq_survey *survey;
8327
8328 survey = os_zalloc(sizeof(struct freq_survey));
8329 if (!survey)
8330 return;
8331
8332 survey->ifidx = ifidx;
8333 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8334 survey->filled = 0;
8335
8336 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
8337 survey->nf = (int8_t)
8338 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
8339 survey->filled |= SURVEY_HAS_NF;
8340 }
8341
8342 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
8343 survey->channel_time =
8344 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
8345 survey->filled |= SURVEY_HAS_CHAN_TIME;
8346 }
8347
8348 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
8349 survey->channel_time_busy =
8350 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
8351 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
8352 }
8353
8354 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
8355 survey->channel_time_rx =
8356 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
8357 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
8358 }
8359
8360 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
8361 survey->channel_time_tx =
8362 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
8363 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
8364 }
8365
8366 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)",
8367 survey->freq,
8368 survey->nf,
8369 (unsigned long int) survey->channel_time,
8370 (unsigned long int) survey->channel_time_busy,
8371 (unsigned long int) survey->channel_time_tx,
8372 (unsigned long int) survey->channel_time_rx,
8373 survey->filled);
8374
8375 dl_list_add_tail(survey_list, &survey->list);
8376 }
8377
8378
8379 static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
8380 unsigned int freq_filter)
8381 {
8382 if (!freq_filter)
8383 return 1;
8384
8385 return freq_filter == surveyed_freq;
8386 }
8387
8388
8389 static int survey_handler(struct nl_msg *msg, void *arg)
8390 {
8391 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8392 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8393 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
8394 struct survey_results *survey_results;
8395 u32 surveyed_freq = 0;
8396 u32 ifidx;
8397
8398 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
8399 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
8400 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
8401 };
8402
8403 survey_results = (struct survey_results *) arg;
8404
8405 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8406 genlmsg_attrlen(gnlh, 0), NULL);
8407
8408 if (!tb[NL80211_ATTR_IFINDEX])
8409 return NL_SKIP;
8410
8411 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
8412
8413 if (!tb[NL80211_ATTR_SURVEY_INFO])
8414 return NL_SKIP;
8415
8416 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
8417 tb[NL80211_ATTR_SURVEY_INFO],
8418 survey_policy))
8419 return NL_SKIP;
8420
8421 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
8422 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
8423 return NL_SKIP;
8424 }
8425
8426 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8427
8428 if (!check_survey_ok(sinfo, surveyed_freq,
8429 survey_results->freq_filter))
8430 return NL_SKIP;
8431
8432 if (survey_results->freq_filter &&
8433 survey_results->freq_filter != surveyed_freq) {
8434 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
8435 surveyed_freq);
8436 return NL_SKIP;
8437 }
8438
8439 add_survey(sinfo, ifidx, &survey_results->survey_list);
8440
8441 return NL_SKIP;
8442 }
8443
8444
8445 static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
8446 {
8447 struct i802_bss *bss = priv;
8448 struct wpa_driver_nl80211_data *drv = bss->drv;
8449 struct nl_msg *msg;
8450 int err;
8451 union wpa_event_data data;
8452 struct survey_results *survey_results;
8453
8454 os_memset(&data, 0, sizeof(data));
8455 survey_results = &data.survey_results;
8456
8457 dl_list_init(&survey_results->survey_list);
8458
8459 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
8460 if (!msg)
8461 return -ENOBUFS;
8462
8463 if (freq)
8464 data.survey_results.freq_filter = freq;
8465
8466 do {
8467 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
8468 err = send_and_recv_msgs(drv, msg, survey_handler,
8469 survey_results);
8470 } while (err > 0);
8471
8472 if (err)
8473 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
8474 else
8475 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
8476
8477 clean_survey_results(survey_results);
8478 return err;
8479 }
8480
8481
8482 static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
8483 const u8 *kck, size_t kck_len,
8484 const u8 *replay_ctr)
8485 {
8486 struct i802_bss *bss = priv;
8487 struct wpa_driver_nl80211_data *drv = bss->drv;
8488 struct nlattr *replay_nested;
8489 struct nl_msg *msg;
8490 int ret;
8491
8492 if (!drv->set_rekey_offload)
8493 return;
8494
8495 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
8496 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
8497 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
8498 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
8499 (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
8500 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
8501 replay_ctr)) {
8502 nl80211_nlmsg_clear(msg);
8503 nlmsg_free(msg);
8504 return;
8505 }
8506
8507 nla_nest_end(msg, replay_nested);
8508
8509 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
8510 if (ret == -EOPNOTSUPP) {
8511 wpa_printf(MSG_DEBUG,
8512 "nl80211: Driver does not support rekey offload");
8513 drv->set_rekey_offload = 0;
8514 }
8515 }
8516
8517
8518 static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
8519 const u8 *addr, int qos)
8520 {
8521 /* send data frame to poll STA and check whether
8522 * this frame is ACKed */
8523 struct {
8524 struct ieee80211_hdr hdr;
8525 u16 qos_ctl;
8526 } STRUCT_PACKED nulldata;
8527 size_t size;
8528
8529 /* Send data frame to poll STA and check whether this frame is ACKed */
8530
8531 os_memset(&nulldata, 0, sizeof(nulldata));
8532
8533 if (qos) {
8534 nulldata.hdr.frame_control =
8535 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8536 WLAN_FC_STYPE_QOS_NULL);
8537 size = sizeof(nulldata);
8538 } else {
8539 nulldata.hdr.frame_control =
8540 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8541 WLAN_FC_STYPE_NULLFUNC);
8542 size = sizeof(struct ieee80211_hdr);
8543 }
8544
8545 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
8546 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
8547 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
8548 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
8549
8550 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
8551 0, 0, NULL, 0, 0) < 0)
8552 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
8553 "send poll frame");
8554 }
8555
8556 static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
8557 int qos)
8558 {
8559 struct i802_bss *bss = priv;
8560 struct wpa_driver_nl80211_data *drv = bss->drv;
8561 struct nl_msg *msg;
8562 u64 cookie;
8563 int ret;
8564
8565 if (!drv->poll_command_supported) {
8566 nl80211_send_null_frame(bss, own_addr, addr, qos);
8567 return;
8568 }
8569
8570 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
8571 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8572 nlmsg_free(msg);
8573 return;
8574 }
8575
8576 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
8577 if (ret < 0) {
8578 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
8579 MACSTR " failed: ret=%d (%s)",
8580 MAC2STR(addr), ret, strerror(-ret));
8581 } else {
8582 wpa_printf(MSG_DEBUG,
8583 "nl80211: Client probe request addr=" MACSTR
8584 " cookie=%llu", MAC2STR(addr),
8585 (long long unsigned int) cookie);
8586 }
8587 }
8588
8589
8590 static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
8591 {
8592 struct nl_msg *msg;
8593 int ret;
8594
8595 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
8596 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
8597 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
8598 nlmsg_free(msg);
8599 return -ENOBUFS;
8600 }
8601
8602 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8603 if (ret < 0) {
8604 wpa_printf(MSG_DEBUG,
8605 "nl80211: Setting PS state %s failed: %d (%s)",
8606 enabled ? "enabled" : "disabled",
8607 ret, strerror(-ret));
8608 }
8609 return ret;
8610 }
8611
8612
8613 static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
8614 int ctwindow)
8615 {
8616 struct i802_bss *bss = priv;
8617
8618 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
8619 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
8620
8621 if (opp_ps != -1 || ctwindow != -1) {
8622 #ifdef ANDROID_P2P
8623 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
8624 #else /* ANDROID_P2P */
8625 return -1; /* Not yet supported */
8626 #endif /* ANDROID_P2P */
8627 }
8628
8629 if (legacy_ps == -1)
8630 return 0;
8631 if (legacy_ps != 0 && legacy_ps != 1)
8632 return -1; /* Not yet supported */
8633
8634 return nl80211_set_power_save(bss, legacy_ps);
8635 }
8636
8637
8638 static int nl80211_start_radar_detection(void *priv,
8639 struct hostapd_freq_params *freq)
8640 {
8641 struct i802_bss *bss = priv;
8642 struct wpa_driver_nl80211_data *drv = bss->drv;
8643 struct nl_msg *msg;
8644 int ret;
8645
8646 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
8647 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
8648 freq->bandwidth, freq->center_freq1, freq->center_freq2);
8649
8650 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
8651 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
8652 "detection");
8653 return -1;
8654 }
8655
8656 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
8657 nl80211_put_freq_params(msg, freq) < 0) {
8658 nlmsg_free(msg);
8659 return -1;
8660 }
8661
8662 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8663 if (ret == 0)
8664 return 0;
8665 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
8666 "%d (%s)", ret, strerror(-ret));
8667 return -1;
8668 }
8669
8670 #ifdef CONFIG_TDLS
8671
8672 static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
8673 u8 dialog_token, u16 status_code,
8674 u32 peer_capab, int initiator, const u8 *buf,
8675 size_t len)
8676 {
8677 struct i802_bss *bss = priv;
8678 struct wpa_driver_nl80211_data *drv = bss->drv;
8679 struct nl_msg *msg;
8680
8681 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8682 return -EOPNOTSUPP;
8683
8684 if (!dst)
8685 return -EINVAL;
8686
8687 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
8688 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
8689 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
8690 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
8691 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
8692 goto fail;
8693 if (peer_capab) {
8694 /*
8695 * The internal enum tdls_peer_capability definition is
8696 * currently identical with the nl80211 enum
8697 * nl80211_tdls_peer_capability, so no conversion is needed
8698 * here.
8699 */
8700 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
8701 peer_capab))
8702 goto fail;
8703 }
8704 if ((initiator &&
8705 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
8706 nla_put(msg, NL80211_ATTR_IE, len, buf))
8707 goto fail;
8708
8709 return send_and_recv_msgs(drv, msg, NULL, NULL);
8710
8711 fail:
8712 nlmsg_free(msg);
8713 return -ENOBUFS;
8714 }
8715
8716
8717 static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
8718 {
8719 struct i802_bss *bss = priv;
8720 struct wpa_driver_nl80211_data *drv = bss->drv;
8721 struct nl_msg *msg;
8722 enum nl80211_tdls_operation nl80211_oper;
8723 int res;
8724
8725 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8726 return -EOPNOTSUPP;
8727
8728 switch (oper) {
8729 case TDLS_DISCOVERY_REQ:
8730 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
8731 break;
8732 case TDLS_SETUP:
8733 nl80211_oper = NL80211_TDLS_SETUP;
8734 break;
8735 case TDLS_TEARDOWN:
8736 nl80211_oper = NL80211_TDLS_TEARDOWN;
8737 break;
8738 case TDLS_ENABLE_LINK:
8739 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
8740 break;
8741 case TDLS_DISABLE_LINK:
8742 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
8743 break;
8744 case TDLS_ENABLE:
8745 return 0;
8746 case TDLS_DISABLE:
8747 return 0;
8748 default:
8749 return -EINVAL;
8750 }
8751
8752 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
8753 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
8754 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
8755 nlmsg_free(msg);
8756 return -ENOBUFS;
8757 }
8758
8759 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8760 wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
8761 " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
8762 strerror(-res));
8763 return res;
8764 }
8765
8766
8767 static int
8768 nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
8769 const struct hostapd_freq_params *params)
8770 {
8771 struct i802_bss *bss = priv;
8772 struct wpa_driver_nl80211_data *drv = bss->drv;
8773 struct nl_msg *msg;
8774 int ret = -ENOBUFS;
8775
8776 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8777 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8778 return -EOPNOTSUPP;
8779
8780 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
8781 " oper_class=%u freq=%u",
8782 MAC2STR(addr), oper_class, params->freq);
8783 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
8784 if (!msg ||
8785 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8786 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
8787 (ret = nl80211_put_freq_params(msg, params))) {
8788 nlmsg_free(msg);
8789 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
8790 return ret;
8791 }
8792
8793 return send_and_recv_msgs(drv, msg, NULL, NULL);
8794 }
8795
8796
8797 static int
8798 nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
8799 {
8800 struct i802_bss *bss = priv;
8801 struct wpa_driver_nl80211_data *drv = bss->drv;
8802 struct nl_msg *msg;
8803
8804 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8805 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8806 return -EOPNOTSUPP;
8807
8808 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
8809 MAC2STR(addr));
8810 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
8811 if (!msg ||
8812 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8813 nlmsg_free(msg);
8814 wpa_printf(MSG_DEBUG,
8815 "nl80211: Could not build TDLS cancel chan switch");
8816 return -ENOBUFS;
8817 }
8818
8819 return send_and_recv_msgs(drv, msg, NULL, NULL);
8820 }
8821
8822 #endif /* CONFIG TDLS */
8823
8824
8825 static int driver_nl80211_set_key(void *priv,
8826 struct wpa_driver_set_key_params *params)
8827 {
8828 struct i802_bss *bss = priv;
8829
8830 return wpa_driver_nl80211_set_key(bss, params);
8831 }
8832
8833
8834 static int driver_nl80211_scan2(void *priv,
8835 struct wpa_driver_scan_params *params)
8836 {
8837 struct i802_bss *bss = priv;
8838 #ifdef CONFIG_DRIVER_NL80211_QCA
8839 struct wpa_driver_nl80211_data *drv = bss->drv;
8840
8841 /*
8842 * Do a vendor specific scan if possible. If only_new_results is
8843 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
8844 * cannot be achieved through a vendor scan. The below condition may
8845 * need to be modified if new scan flags are added in the future whose
8846 * functionality can only be achieved through a normal scan.
8847 */
8848 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
8849 return wpa_driver_nl80211_vendor_scan(bss, params);
8850 #endif /* CONFIG_DRIVER_NL80211_QCA */
8851 return wpa_driver_nl80211_scan(bss, params);
8852 }
8853
8854
8855 static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
8856 u16 reason_code)
8857 {
8858 struct i802_bss *bss = priv;
8859 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
8860 }
8861
8862
8863 static int driver_nl80211_authenticate(void *priv,
8864 struct wpa_driver_auth_params *params)
8865 {
8866 struct i802_bss *bss = priv;
8867 return wpa_driver_nl80211_authenticate(bss, params);
8868 }
8869
8870
8871 static void driver_nl80211_deinit(void *priv)
8872 {
8873 struct i802_bss *bss = priv;
8874 wpa_driver_nl80211_deinit(bss);
8875 }
8876
8877
8878 static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
8879 const char *ifname)
8880 {
8881 struct i802_bss *bss = priv;
8882 return wpa_driver_nl80211_if_remove(bss, type, ifname);
8883 }
8884
8885
8886 static int driver_nl80211_send_mlme(void *priv, const u8 *data,
8887 size_t data_len, int noack,
8888 unsigned int freq,
8889 const u16 *csa_offs, size_t csa_offs_len,
8890 int no_encrypt, unsigned int wait)
8891 {
8892 struct i802_bss *bss = priv;
8893 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
8894 freq, 0, 0, wait, csa_offs,
8895 csa_offs_len, no_encrypt);
8896 }
8897
8898
8899 static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
8900 {
8901 struct i802_bss *bss = priv;
8902 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
8903 }
8904
8905
8906 static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
8907 const char *ifname, int vlan_id)
8908 {
8909 struct i802_bss *bss = priv;
8910 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
8911 }
8912
8913
8914 static int driver_nl80211_read_sta_data(void *priv,
8915 struct hostap_sta_driver_data *data,
8916 const u8 *addr)
8917 {
8918 struct i802_bss *bss = priv;
8919
8920 os_memset(data, 0, sizeof(*data));
8921 return i802_read_sta_data(bss, data, addr);
8922 }
8923
8924
8925 static int driver_nl80211_send_action(void *priv, unsigned int freq,
8926 unsigned int wait_time,
8927 const u8 *dst, const u8 *src,
8928 const u8 *bssid,
8929 const u8 *data, size_t data_len,
8930 int no_cck)
8931 {
8932 struct i802_bss *bss = priv;
8933 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
8934 bssid, data, data_len, no_cck);
8935 }
8936
8937
8938 static int driver_nl80211_probe_req_report(void *priv, int report)
8939 {
8940 struct i802_bss *bss = priv;
8941 return wpa_driver_nl80211_probe_req_report(bss, report);
8942 }
8943
8944
8945 static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
8946 const u8 *ies, size_t ies_len)
8947 {
8948 int ret;
8949 struct nl_msg *msg;
8950 struct i802_bss *bss = priv;
8951 struct wpa_driver_nl80211_data *drv = bss->drv;
8952 u16 mdid = WPA_GET_LE16(md);
8953
8954 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
8955 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
8956 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
8957 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
8958 nlmsg_free(msg);
8959 return -ENOBUFS;
8960 }
8961
8962 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8963 if (ret) {
8964 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
8965 "err=%d (%s)", ret, strerror(-ret));
8966 }
8967
8968 return ret;
8969 }
8970
8971
8972 static int nl80211_update_dh_ie(void *priv, const u8 *peer_mac,
8973 u16 reason_code, const u8 *ie, size_t ie_len)
8974 {
8975 int ret;
8976 struct nl_msg *msg;
8977 struct i802_bss *bss = priv;
8978 struct wpa_driver_nl80211_data *drv = bss->drv;
8979
8980 wpa_printf(MSG_DEBUG, "nl80211: Updating DH IE peer: " MACSTR
8981 " reason %u", MAC2STR(peer_mac), reason_code);
8982 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UPDATE_OWE_INFO)) ||
8983 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_mac) ||
8984 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, reason_code) ||
8985 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) {
8986 nlmsg_free(msg);
8987 return -ENOBUFS;
8988 }
8989
8990 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8991 if (ret) {
8992 wpa_printf(MSG_DEBUG,
8993 "nl80211: update_dh_ie failed err=%d (%s)",
8994 ret, strerror(-ret));
8995 }
8996
8997 return ret;
8998 }
8999
9000
9001 static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
9002 {
9003 struct i802_bss *bss = priv;
9004 struct wpa_driver_nl80211_data *drv = bss->drv;
9005
9006 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
9007 return NULL;
9008
9009 return bss->addr;
9010 }
9011
9012
9013 static const char * scan_state_str(enum scan_states scan_state)
9014 {
9015 switch (scan_state) {
9016 case NO_SCAN:
9017 return "NO_SCAN";
9018 case SCAN_REQUESTED:
9019 return "SCAN_REQUESTED";
9020 case SCAN_STARTED:
9021 return "SCAN_STARTED";
9022 case SCAN_COMPLETED:
9023 return "SCAN_COMPLETED";
9024 case SCAN_ABORTED:
9025 return "SCAN_ABORTED";
9026 case SCHED_SCAN_STARTED:
9027 return "SCHED_SCAN_STARTED";
9028 case SCHED_SCAN_STOPPED:
9029 return "SCHED_SCAN_STOPPED";
9030 case SCHED_SCAN_RESULTS:
9031 return "SCHED_SCAN_RESULTS";
9032 }
9033
9034 return "??";
9035 }
9036
9037
9038 static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
9039 {
9040 struct i802_bss *bss = priv;
9041 struct wpa_driver_nl80211_data *drv = bss->drv;
9042 int res;
9043 char *pos, *end;
9044 struct nl_msg *msg;
9045 char alpha2[3] = { 0, 0, 0 };
9046
9047 pos = buf;
9048 end = buf + buflen;
9049
9050 res = os_snprintf(pos, end - pos,
9051 "ifindex=%d\n"
9052 "ifname=%s\n"
9053 "brname=%s\n"
9054 "addr=" MACSTR "\n"
9055 "freq=%d\n"
9056 "%s%s%s%s%s%s",
9057 bss->ifindex,
9058 bss->ifname,
9059 bss->brname,
9060 MAC2STR(bss->addr),
9061 bss->freq,
9062 bss->beacon_set ? "beacon_set=1\n" : "",
9063 bss->added_if_into_bridge ?
9064 "added_if_into_bridge=1\n" : "",
9065 bss->already_in_bridge ? "already_in_bridge=1\n" : "",
9066 bss->added_bridge ? "added_bridge=1\n" : "",
9067 bss->in_deinit ? "in_deinit=1\n" : "",
9068 bss->if_dynamic ? "if_dynamic=1\n" : "");
9069 if (os_snprintf_error(end - pos, res))
9070 return pos - buf;
9071 pos += res;
9072
9073 if (bss->wdev_id_set) {
9074 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
9075 (unsigned long long) bss->wdev_id);
9076 if (os_snprintf_error(end - pos, res))
9077 return pos - buf;
9078 pos += res;
9079 }
9080
9081 res = os_snprintf(pos, end - pos,
9082 "phyname=%s\n"
9083 "perm_addr=" MACSTR "\n"
9084 "drv_ifindex=%d\n"
9085 "operstate=%d\n"
9086 "scan_state=%s\n"
9087 "auth_bssid=" MACSTR "\n"
9088 "auth_attempt_bssid=" MACSTR "\n"
9089 "bssid=" MACSTR "\n"
9090 "prev_bssid=" MACSTR "\n"
9091 "associated=%d\n"
9092 "assoc_freq=%u\n"
9093 "monitor_sock=%d\n"
9094 "monitor_ifidx=%d\n"
9095 "monitor_refcount=%d\n"
9096 "last_mgmt_freq=%u\n"
9097 "eapol_tx_sock=%d\n"
9098 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
9099 drv->phyname,
9100 MAC2STR(drv->perm_addr),
9101 drv->ifindex,
9102 drv->operstate,
9103 scan_state_str(drv->scan_state),
9104 MAC2STR(drv->auth_bssid),
9105 MAC2STR(drv->auth_attempt_bssid),
9106 MAC2STR(drv->bssid),
9107 MAC2STR(drv->prev_bssid),
9108 drv->associated,
9109 drv->assoc_freq,
9110 drv->monitor_sock,
9111 drv->monitor_ifidx,
9112 drv->monitor_refcount,
9113 drv->last_mgmt_freq,
9114 drv->eapol_tx_sock,
9115 drv->ignore_if_down_event ?
9116 "ignore_if_down_event=1\n" : "",
9117 drv->scan_complete_events ?
9118 "scan_complete_events=1\n" : "",
9119 drv->disabled_11b_rates ?
9120 "disabled_11b_rates=1\n" : "",
9121 drv->pending_remain_on_chan ?
9122 "pending_remain_on_chan=1\n" : "",
9123 drv->in_interface_list ? "in_interface_list=1\n" : "",
9124 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
9125 drv->poll_command_supported ?
9126 "poll_command_supported=1\n" : "",
9127 drv->data_tx_status ? "data_tx_status=1\n" : "",
9128 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
9129 drv->retry_auth ? "retry_auth=1\n" : "",
9130 drv->use_monitor ? "use_monitor=1\n" : "",
9131 drv->ignore_next_local_disconnect ?
9132 "ignore_next_local_disconnect=1\n" : "",
9133 drv->ignore_next_local_deauth ?
9134 "ignore_next_local_deauth=1\n" : "");
9135 if (os_snprintf_error(end - pos, res))
9136 return pos - buf;
9137 pos += res;
9138
9139 if (drv->has_capability) {
9140 res = os_snprintf(pos, end - pos,
9141 "capa.key_mgmt=0x%x\n"
9142 "capa.enc=0x%x\n"
9143 "capa.auth=0x%x\n"
9144 "capa.flags=0x%llx\n"
9145 "capa.rrm_flags=0x%x\n"
9146 "capa.max_scan_ssids=%d\n"
9147 "capa.max_sched_scan_ssids=%d\n"
9148 "capa.sched_scan_supported=%d\n"
9149 "capa.max_match_sets=%d\n"
9150 "capa.max_remain_on_chan=%u\n"
9151 "capa.max_stations=%u\n"
9152 "capa.probe_resp_offloads=0x%x\n"
9153 "capa.max_acl_mac_addrs=%u\n"
9154 "capa.num_multichan_concurrent=%u\n"
9155 "capa.mac_addr_rand_sched_scan_supported=%d\n"
9156 "capa.mac_addr_rand_scan_supported=%d\n"
9157 "capa.conc_capab=%u\n"
9158 "capa.max_conc_chan_2_4=%u\n"
9159 "capa.max_conc_chan_5_0=%u\n"
9160 "capa.max_sched_scan_plans=%u\n"
9161 "capa.max_sched_scan_plan_interval=%u\n"
9162 "capa.max_sched_scan_plan_iterations=%u\n",
9163 drv->capa.key_mgmt,
9164 drv->capa.enc,
9165 drv->capa.auth,
9166 (unsigned long long) drv->capa.flags,
9167 drv->capa.rrm_flags,
9168 drv->capa.max_scan_ssids,
9169 drv->capa.max_sched_scan_ssids,
9170 drv->capa.sched_scan_supported,
9171 drv->capa.max_match_sets,
9172 drv->capa.max_remain_on_chan,
9173 drv->capa.max_stations,
9174 drv->capa.probe_resp_offloads,
9175 drv->capa.max_acl_mac_addrs,
9176 drv->capa.num_multichan_concurrent,
9177 drv->capa.mac_addr_rand_sched_scan_supported,
9178 drv->capa.mac_addr_rand_scan_supported,
9179 drv->capa.conc_capab,
9180 drv->capa.max_conc_chan_2_4,
9181 drv->capa.max_conc_chan_5_0,
9182 drv->capa.max_sched_scan_plans,
9183 drv->capa.max_sched_scan_plan_interval,
9184 drv->capa.max_sched_scan_plan_iterations);
9185 if (os_snprintf_error(end - pos, res))
9186 return pos - buf;
9187 pos += res;
9188 }
9189
9190 msg = nlmsg_alloc();
9191 if (msg &&
9192 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
9193 nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
9194 if (send_and_recv_msgs(drv, msg, nl80211_get_country,
9195 alpha2) == 0 &&
9196 alpha2[0]) {
9197 res = os_snprintf(pos, end - pos, "country=%s\n",
9198 alpha2);
9199 if (os_snprintf_error(end - pos, res))
9200 return pos - buf;
9201 pos += res;
9202 }
9203 } else {
9204 nlmsg_free(msg);
9205 }
9206
9207 return pos - buf;
9208 }
9209
9210
9211 static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
9212 {
9213 if ((settings->head &&
9214 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
9215 settings->head_len, settings->head)) ||
9216 (settings->tail &&
9217 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
9218 settings->tail_len, settings->tail)) ||
9219 (settings->beacon_ies &&
9220 nla_put(msg, NL80211_ATTR_IE,
9221 settings->beacon_ies_len, settings->beacon_ies)) ||
9222 (settings->proberesp_ies &&
9223 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
9224 settings->proberesp_ies_len, settings->proberesp_ies)) ||
9225 (settings->assocresp_ies &&
9226 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
9227 settings->assocresp_ies_len, settings->assocresp_ies)) ||
9228 (settings->probe_resp &&
9229 nla_put(msg, NL80211_ATTR_PROBE_RESP,
9230 settings->probe_resp_len, settings->probe_resp)))
9231 return -ENOBUFS;
9232
9233 return 0;
9234 }
9235
9236
9237 static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
9238 {
9239 struct nl_msg *msg;
9240 struct i802_bss *bss = priv;
9241 struct wpa_driver_nl80211_data *drv = bss->drv;
9242 struct nlattr *beacon_csa;
9243 int ret = -ENOBUFS;
9244 int csa_off_len = 0;
9245 int i;
9246
9247 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
9248 settings->cs_count, settings->block_tx,
9249 settings->freq_params.freq, settings->freq_params.bandwidth,
9250 settings->freq_params.center_freq1,
9251 settings->freq_params.center_freq2);
9252
9253 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
9254 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
9255 return -EOPNOTSUPP;
9256 }
9257
9258 if (drv->nlmode != NL80211_IFTYPE_AP &&
9259 drv->nlmode != NL80211_IFTYPE_P2P_GO &&
9260 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
9261 return -EOPNOTSUPP;
9262
9263 /*
9264 * Remove empty counters, assuming Probe Response and Beacon frame
9265 * counters match. This implementation assumes that there are only two
9266 * counters.
9267 */
9268 if (settings->counter_offset_beacon[0] &&
9269 !settings->counter_offset_beacon[1]) {
9270 csa_off_len = 1;
9271 } else if (settings->counter_offset_beacon[1] &&
9272 !settings->counter_offset_beacon[0]) {
9273 csa_off_len = 1;
9274 settings->counter_offset_beacon[0] =
9275 settings->counter_offset_beacon[1];
9276 settings->counter_offset_presp[0] =
9277 settings->counter_offset_presp[1];
9278 } else if (settings->counter_offset_beacon[1] &&
9279 settings->counter_offset_beacon[0]) {
9280 csa_off_len = 2;
9281 } else {
9282 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
9283 return -EINVAL;
9284 }
9285
9286 /* Check CSA counters validity */
9287 if (drv->capa.max_csa_counters &&
9288 csa_off_len > drv->capa.max_csa_counters) {
9289 wpa_printf(MSG_ERROR,
9290 "nl80211: Too many CSA counters provided");
9291 return -EINVAL;
9292 }
9293
9294 if (!settings->beacon_csa.tail)
9295 return -EINVAL;
9296
9297 for (i = 0; i < csa_off_len; i++) {
9298 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
9299 u16 csa_c_off_presp = settings->counter_offset_presp[i];
9300
9301 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
9302 (settings->beacon_csa.tail[csa_c_off_bcn] !=
9303 settings->cs_count))
9304 return -EINVAL;
9305
9306 if (settings->beacon_csa.probe_resp &&
9307 ((settings->beacon_csa.probe_resp_len <=
9308 csa_c_off_presp) ||
9309 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
9310 settings->cs_count)))
9311 return -EINVAL;
9312 }
9313
9314 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
9315 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
9316 settings->cs_count) ||
9317 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
9318 (settings->block_tx &&
9319 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
9320 goto error;
9321
9322 /* beacon_after params */
9323 ret = set_beacon_data(msg, &settings->beacon_after);
9324 if (ret)
9325 goto error;
9326
9327 /* beacon_csa params */
9328 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
9329 if (!beacon_csa)
9330 goto fail;
9331
9332 ret = set_beacon_data(msg, &settings->beacon_csa);
9333 if (ret)
9334 goto error;
9335
9336 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
9337 csa_off_len * sizeof(u16),
9338 settings->counter_offset_beacon) ||
9339 (settings->beacon_csa.probe_resp &&
9340 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
9341 csa_off_len * sizeof(u16),
9342 settings->counter_offset_presp)))
9343 goto fail;
9344
9345 nla_nest_end(msg, beacon_csa);
9346 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9347 if (ret) {
9348 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
9349 ret, strerror(-ret));
9350 }
9351 return ret;
9352
9353 fail:
9354 ret = -ENOBUFS;
9355 error:
9356 nlmsg_free(msg);
9357 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
9358 return ret;
9359 }
9360
9361
9362 static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
9363 u8 user_priority, u16 admitted_time)
9364 {
9365 struct i802_bss *bss = priv;
9366 struct wpa_driver_nl80211_data *drv = bss->drv;
9367 struct nl_msg *msg;
9368 int ret;
9369
9370 wpa_printf(MSG_DEBUG,
9371 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
9372 tsid, admitted_time, user_priority);
9373
9374 if (!is_sta_interface(drv->nlmode))
9375 return -ENOTSUP;
9376
9377 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
9378 if (!msg ||
9379 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9380 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9381 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
9382 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
9383 nlmsg_free(msg);
9384 return -ENOBUFS;
9385 }
9386
9387 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9388 if (ret)
9389 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
9390 ret, strerror(-ret));
9391 return ret;
9392 }
9393
9394
9395 static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
9396 {
9397 struct i802_bss *bss = priv;
9398 struct wpa_driver_nl80211_data *drv = bss->drv;
9399 struct nl_msg *msg;
9400 int ret;
9401
9402 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
9403
9404 if (!is_sta_interface(drv->nlmode))
9405 return -ENOTSUP;
9406
9407 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
9408 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9409 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
9410 nlmsg_free(msg);
9411 return -ENOBUFS;
9412 }
9413
9414 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9415 if (ret)
9416 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
9417 ret, strerror(-ret));
9418 return ret;
9419 }
9420
9421
9422 #ifdef CONFIG_TESTING_OPTIONS
9423 static int cmd_reply_handler(struct nl_msg *msg, void *arg)
9424 {
9425 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9426 struct wpabuf *buf = arg;
9427
9428 if (!buf)
9429 return NL_SKIP;
9430
9431 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
9432 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
9433 return NL_SKIP;
9434 }
9435
9436 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
9437 genlmsg_attrlen(gnlh, 0));
9438
9439 return NL_SKIP;
9440 }
9441 #endif /* CONFIG_TESTING_OPTIONS */
9442
9443
9444 static int vendor_reply_handler(struct nl_msg *msg, void *arg)
9445 {
9446 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9447 struct nlattr *nl_vendor_reply, *nl;
9448 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9449 struct wpabuf *buf = arg;
9450 int rem;
9451
9452 if (!buf)
9453 return NL_SKIP;
9454
9455 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9456 genlmsg_attrlen(gnlh, 0), NULL);
9457 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
9458
9459 if (!nl_vendor_reply)
9460 return NL_SKIP;
9461
9462 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
9463 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
9464 return NL_SKIP;
9465 }
9466
9467 nla_for_each_nested(nl, nl_vendor_reply, rem) {
9468 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
9469 }
9470
9471 return NL_SKIP;
9472 }
9473
9474
9475 static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
9476 unsigned int subcmd, const u8 *data,
9477 size_t data_len, struct wpabuf *buf)
9478 {
9479 struct i802_bss *bss = priv;
9480 struct wpa_driver_nl80211_data *drv = bss->drv;
9481 struct nl_msg *msg;
9482 int ret;
9483
9484 #ifdef CONFIG_TESTING_OPTIONS
9485 if (vendor_id == 0xffffffff) {
9486 msg = nlmsg_alloc();
9487 if (!msg)
9488 return -ENOMEM;
9489
9490 nl80211_cmd(drv, msg, 0, subcmd);
9491 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
9492 0)
9493 goto fail;
9494 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
9495 if (ret)
9496 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
9497 ret);
9498 return ret;
9499 }
9500 #endif /* CONFIG_TESTING_OPTIONS */
9501
9502 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
9503 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
9504 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
9505 (data &&
9506 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
9507 goto fail;
9508
9509 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
9510 if (ret)
9511 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
9512 ret);
9513 return ret;
9514
9515 fail:
9516 nlmsg_free(msg);
9517 return -ENOBUFS;
9518 }
9519
9520
9521 static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
9522 u8 qos_map_set_len)
9523 {
9524 struct i802_bss *bss = priv;
9525 struct wpa_driver_nl80211_data *drv = bss->drv;
9526 struct nl_msg *msg;
9527 int ret;
9528
9529 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
9530 qos_map_set, qos_map_set_len);
9531
9532 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
9533 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
9534 nlmsg_free(msg);
9535 return -ENOBUFS;
9536 }
9537
9538 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9539 if (ret)
9540 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
9541
9542 return ret;
9543 }
9544
9545
9546 static int get_wowlan_handler(struct nl_msg *msg, void *arg)
9547 {
9548 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9549 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9550 int *wowlan_enabled = arg;
9551
9552 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9553 genlmsg_attrlen(gnlh, 0), NULL);
9554
9555 *wowlan_enabled = !!tb[NL80211_ATTR_WOWLAN_TRIGGERS];
9556
9557 return NL_SKIP;
9558 }
9559
9560
9561 static int nl80211_get_wowlan(void *priv)
9562 {
9563 struct i802_bss *bss = priv;
9564 struct wpa_driver_nl80211_data *drv = bss->drv;
9565 struct nl_msg *msg;
9566 int wowlan_enabled;
9567 int ret;
9568
9569 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status");
9570
9571 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_WOWLAN);
9572
9573 ret = send_and_recv_msgs(drv, msg, get_wowlan_handler, &wowlan_enabled);
9574 if (ret) {
9575 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status failed");
9576 return 0;
9577 }
9578
9579 wpa_printf(MSG_DEBUG, "nl80211: wowlan is %s",
9580 wowlan_enabled ? "enabled" : "disabled");
9581
9582 return wowlan_enabled;
9583 }
9584
9585
9586 static int nl80211_set_wowlan(void *priv,
9587 const struct wowlan_triggers *triggers)
9588 {
9589 struct i802_bss *bss = priv;
9590 struct wpa_driver_nl80211_data *drv = bss->drv;
9591 struct nl_msg *msg;
9592 struct nlattr *wowlan_triggers;
9593 int ret;
9594
9595 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
9596
9597 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
9598 !(wowlan_triggers = nla_nest_start(msg,
9599 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
9600 (triggers->any &&
9601 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
9602 (triggers->disconnect &&
9603 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
9604 (triggers->magic_pkt &&
9605 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
9606 (triggers->gtk_rekey_failure &&
9607 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
9608 (triggers->eap_identity_req &&
9609 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
9610 (triggers->four_way_handshake &&
9611 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
9612 (triggers->rfkill_release &&
9613 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
9614 nlmsg_free(msg);
9615 return -ENOBUFS;
9616 }
9617
9618 nla_nest_end(msg, wowlan_triggers);
9619
9620 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9621 if (ret)
9622 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
9623
9624 return ret;
9625 }
9626
9627
9628 #ifdef CONFIG_DRIVER_NL80211_QCA
9629 static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
9630 {
9631 struct i802_bss *bss = priv;
9632 struct wpa_driver_nl80211_data *drv = bss->drv;
9633 struct nl_msg *msg;
9634 struct nlattr *params;
9635
9636 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
9637
9638 if (!drv->roaming_vendor_cmd_avail) {
9639 wpa_printf(MSG_DEBUG,
9640 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
9641 return -1;
9642 }
9643
9644 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9645 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9646 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9647 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
9648 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9649 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
9650 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
9651 QCA_ROAMING_NOT_ALLOWED) ||
9652 (bssid &&
9653 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
9654 nlmsg_free(msg);
9655 return -1;
9656 }
9657 nla_nest_end(msg, params);
9658
9659 return send_and_recv_msgs(drv, msg, NULL, NULL);
9660 }
9661
9662
9663 static int nl80211_disable_fils(void *priv, int disable)
9664 {
9665 struct i802_bss *bss = priv;
9666 struct wpa_driver_nl80211_data *drv = bss->drv;
9667 struct nl_msg *msg;
9668 struct nlattr *params;
9669
9670 wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable);
9671
9672 if (!drv->set_wifi_conf_vendor_cmd_avail)
9673 return -1;
9674
9675 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9676 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9677 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9678 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
9679 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9680 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS,
9681 disable)) {
9682 nlmsg_free(msg);
9683 return -1;
9684 }
9685 nla_nest_end(msg, params);
9686
9687 return send_and_recv_msgs(drv, msg, NULL, NULL);
9688 }
9689
9690
9691 /* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
9692 #define WPA_SUPPLICANT_CLIENT_ID 1
9693
9694 static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid,
9695 const u8 *bssid)
9696 {
9697 struct i802_bss *bss = priv;
9698 struct wpa_driver_nl80211_data *drv = bss->drv;
9699 struct nl_msg *msg;
9700 struct nlattr *params, *nlbssids, *attr;
9701 unsigned int i;
9702
9703 wpa_printf(MSG_DEBUG, "nl80211: Set blacklist BSSID (num=%u)",
9704 num_bssid);
9705
9706 if (!drv->roam_vendor_cmd_avail)
9707 return -1;
9708
9709 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9710 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9711 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9712 QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
9713 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9714 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
9715 QCA_WLAN_VENDOR_ROAMING_SUBCMD_SET_BLACKLIST_BSSID) ||
9716 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
9717 WPA_SUPPLICANT_CLIENT_ID) ||
9718 nla_put_u32(msg,
9719 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
9720 num_bssid))
9721 goto fail;
9722
9723 nlbssids = nla_nest_start(
9724 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
9725 if (!nlbssids)
9726 goto fail;
9727
9728 for (i = 0; i < num_bssid; i++) {
9729 attr = nla_nest_start(msg, i);
9730 if (!attr)
9731 goto fail;
9732 if (nla_put(msg,
9733 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
9734 ETH_ALEN, &bssid[i * ETH_ALEN]))
9735 goto fail;
9736 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i,
9737 MAC2STR(&bssid[i * ETH_ALEN]));
9738 nla_nest_end(msg, attr);
9739 }
9740 nla_nest_end(msg, nlbssids);
9741 nla_nest_end(msg, params);
9742
9743 return send_and_recv_msgs(drv, msg, NULL, NULL);
9744
9745 fail:
9746 nlmsg_free(msg);
9747 return -1;
9748 }
9749
9750
9751 static int nl80211_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
9752 {
9753 struct i802_bss *bss = priv;
9754 struct wpa_driver_nl80211_data *drv = bss->drv;
9755 struct nl_msg *msg;
9756 struct nlattr *params;
9757
9758 if (!drv->add_sta_node_vendor_cmd_avail)
9759 return -EOPNOTSUPP;
9760
9761 wpa_printf(MSG_DEBUG, "nl80211: Add STA node");
9762
9763 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9764 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9765 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9766 QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE) ||
9767 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9768 (addr &&
9769 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_MAC_ADDR, ETH_ALEN,
9770 addr)) ||
9771 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_AUTH_ALGO,
9772 auth_alg)) {
9773 nlmsg_free(msg);
9774 wpa_printf(MSG_ERROR,
9775 "%s: err in adding vendor_cmd and vendor_data",
9776 __func__);
9777 return -1;
9778 }
9779 nla_nest_end(msg, params);
9780
9781 return send_and_recv_msgs(drv, msg, NULL, NULL);
9782 }
9783
9784 #endif /* CONFIG_DRIVER_NL80211_QCA */
9785
9786
9787 static int nl80211_set_mac_addr(void *priv, const u8 *addr)
9788 {
9789 struct i802_bss *bss = priv;
9790 struct wpa_driver_nl80211_data *drv = bss->drv;
9791 int new_addr = addr != NULL;
9792
9793 if (TEST_FAIL())
9794 return -1;
9795
9796 if (!addr)
9797 addr = drv->perm_addr;
9798
9799 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
9800 return -1;
9801
9802 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
9803 {
9804 wpa_printf(MSG_DEBUG,
9805 "nl80211: failed to set_mac_addr for %s to " MACSTR,
9806 bss->ifname, MAC2STR(addr));
9807 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
9808 1) < 0) {
9809 wpa_printf(MSG_DEBUG,
9810 "nl80211: Could not restore interface UP after failed set_mac_addr");
9811 }
9812 return -1;
9813 }
9814
9815 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
9816 bss->ifname, MAC2STR(addr));
9817 drv->addr_changed = new_addr;
9818 os_memcpy(bss->addr, addr, ETH_ALEN);
9819
9820 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
9821 {
9822 wpa_printf(MSG_DEBUG,
9823 "nl80211: Could not restore interface UP after set_mac_addr");
9824 }
9825
9826 return 0;
9827 }
9828
9829
9830 #ifdef CONFIG_MESH
9831
9832 static int wpa_driver_nl80211_init_mesh(void *priv)
9833 {
9834 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
9835 wpa_printf(MSG_INFO,
9836 "nl80211: Failed to set interface into mesh mode");
9837 return -1;
9838 }
9839 return 0;
9840 }
9841
9842
9843 static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
9844 size_t mesh_id_len)
9845 {
9846 if (mesh_id) {
9847 wpa_printf(MSG_DEBUG, " * Mesh ID (SSID)=%s",
9848 wpa_ssid_txt(mesh_id, mesh_id_len));
9849 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
9850 }
9851
9852 return 0;
9853 }
9854
9855
9856 static int nl80211_put_mesh_config(struct nl_msg *msg,
9857 struct wpa_driver_mesh_bss_params *params)
9858 {
9859 struct nlattr *container;
9860
9861 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
9862 if (!container)
9863 return -1;
9864
9865 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
9866 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
9867 params->auto_plinks)) ||
9868 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
9869 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
9870 params->max_peer_links)) ||
9871 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
9872 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
9873 params->rssi_threshold)))
9874 return -1;
9875
9876 /*
9877 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
9878 * the timer could disconnect stations even in that case.
9879 */
9880 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
9881 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
9882 params->peer_link_timeout)) {
9883 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
9884 return -1;
9885 }
9886
9887 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
9888 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
9889 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
9890 return -1;
9891 }
9892
9893 nla_nest_end(msg, container);
9894
9895 return 0;
9896 }
9897
9898
9899 static int nl80211_join_mesh(struct i802_bss *bss,
9900 struct wpa_driver_mesh_join_params *params)
9901 {
9902 struct wpa_driver_nl80211_data *drv = bss->drv;
9903 struct nl_msg *msg;
9904 struct nlattr *container;
9905 int ret = -1;
9906
9907 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9908 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
9909 if (!msg ||
9910 nl80211_put_freq_params(msg, &params->freq) ||
9911 nl80211_put_basic_rates(msg, params->basic_rates) ||
9912 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
9913 nl80211_put_beacon_int(msg, params->beacon_int) ||
9914 nl80211_put_dtim_period(msg, params->dtim_period))
9915 goto fail;
9916
9917 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
9918
9919 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
9920 if (!container)
9921 goto fail;
9922
9923 if (params->ies) {
9924 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
9925 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
9926 params->ies))
9927 goto fail;
9928 }
9929 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
9930 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
9931 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
9932 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
9933 goto fail;
9934 }
9935 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
9936 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
9937 goto fail;
9938 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
9939 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
9940 goto fail;
9941 nla_nest_end(msg, container);
9942
9943 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
9944 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
9945 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
9946 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
9947 goto fail;
9948
9949 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9950 msg = NULL;
9951 if (ret) {
9952 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
9953 ret, strerror(-ret));
9954 goto fail;
9955 }
9956 ret = 0;
9957 drv->assoc_freq = bss->freq = params->freq.freq;
9958 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
9959
9960 fail:
9961 nlmsg_free(msg);
9962 return ret;
9963 }
9964
9965
9966 static int
9967 wpa_driver_nl80211_join_mesh(void *priv,
9968 struct wpa_driver_mesh_join_params *params)
9969 {
9970 struct i802_bss *bss = priv;
9971 int ret, timeout;
9972
9973 timeout = params->conf.peer_link_timeout;
9974
9975 /* Disable kernel inactivity timer */
9976 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
9977 params->conf.peer_link_timeout = 0;
9978
9979 ret = nl80211_join_mesh(bss, params);
9980 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
9981 wpa_printf(MSG_DEBUG,
9982 "nl80211: Mesh join retry for peer_link_timeout");
9983 /*
9984 * Old kernel does not support setting
9985 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
9986 * into future from peer_link_timeout.
9987 */
9988 params->conf.peer_link_timeout = timeout + 60;
9989 ret = nl80211_join_mesh(priv, params);
9990 }
9991
9992 params->conf.peer_link_timeout = timeout;
9993 return ret;
9994 }
9995
9996
9997 static int wpa_driver_nl80211_leave_mesh(void *priv)
9998 {
9999 struct i802_bss *bss = priv;
10000 struct wpa_driver_nl80211_data *drv = bss->drv;
10001 struct nl_msg *msg;
10002 int ret;
10003
10004 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
10005 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
10006 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10007 if (ret) {
10008 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
10009 ret, strerror(-ret));
10010 } else {
10011 wpa_printf(MSG_DEBUG,
10012 "nl80211: mesh leave request send successfully");
10013 }
10014
10015 if (wpa_driver_nl80211_set_mode(drv->first_bss,
10016 NL80211_IFTYPE_STATION)) {
10017 wpa_printf(MSG_INFO,
10018 "nl80211: Failed to set interface into station mode");
10019 }
10020 return ret;
10021 }
10022
10023
10024 static int nl80211_probe_mesh_link(void *priv, const u8 *addr, const u8 *eth,
10025 size_t len)
10026 {
10027 struct i802_bss *bss = priv;
10028 struct wpa_driver_nl80211_data *drv = bss->drv;
10029 struct nl_msg *msg;
10030 int ret;
10031
10032 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_PROBE_MESH_LINK);
10033 if (!msg ||
10034 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
10035 nla_put(msg, NL80211_ATTR_FRAME, len, eth)) {
10036 nlmsg_free(msg);
10037 return -ENOBUFS;
10038 }
10039
10040 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10041 if (ret) {
10042 wpa_printf(MSG_DEBUG, "nl80211: mesh link probe to " MACSTR
10043 " failed: ret=%d (%s)",
10044 MAC2STR(addr), ret, strerror(-ret));
10045 } else {
10046 wpa_printf(MSG_DEBUG, "nl80211: Mesh link to " MACSTR
10047 " probed successfully", MAC2STR(addr));
10048 }
10049
10050 return ret;
10051 }
10052
10053 #endif /* CONFIG_MESH */
10054
10055
10056 static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
10057 const u8 *ipaddr, int prefixlen,
10058 const u8 *addr)
10059 {
10060 #ifdef CONFIG_LIBNL3_ROUTE
10061 struct i802_bss *bss = priv;
10062 struct wpa_driver_nl80211_data *drv = bss->drv;
10063 struct rtnl_neigh *rn;
10064 struct nl_addr *nl_ipaddr = NULL;
10065 struct nl_addr *nl_lladdr = NULL;
10066 int family, addrsize;
10067 int res;
10068
10069 if (!ipaddr || prefixlen == 0 || !addr)
10070 return -EINVAL;
10071
10072 if (bss->br_ifindex == 0) {
10073 wpa_printf(MSG_DEBUG,
10074 "nl80211: bridge must be set before adding an ip neigh to it");
10075 return -1;
10076 }
10077
10078 if (!drv->rtnl_sk) {
10079 wpa_printf(MSG_DEBUG,
10080 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
10081 return -1;
10082 }
10083
10084 if (version == 4) {
10085 family = AF_INET;
10086 addrsize = 4;
10087 } else if (version == 6) {
10088 family = AF_INET6;
10089 addrsize = 16;
10090 } else {
10091 return -EINVAL;
10092 }
10093
10094 rn = rtnl_neigh_alloc();
10095 if (rn == NULL)
10096 return -ENOMEM;
10097
10098 /* set the destination ip address for neigh */
10099 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
10100 if (nl_ipaddr == NULL) {
10101 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
10102 res = -ENOMEM;
10103 goto errout;
10104 }
10105 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
10106 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
10107 if (res) {
10108 wpa_printf(MSG_DEBUG,
10109 "nl80211: neigh set destination addr failed");
10110 goto errout;
10111 }
10112
10113 /* set the corresponding lladdr for neigh */
10114 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
10115 if (nl_lladdr == NULL) {
10116 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
10117 res = -ENOMEM;
10118 goto errout;
10119 }
10120 rtnl_neigh_set_lladdr(rn, nl_lladdr);
10121
10122 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
10123 rtnl_neigh_set_state(rn, NUD_PERMANENT);
10124
10125 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
10126 if (res) {
10127 wpa_printf(MSG_DEBUG,
10128 "nl80211: Adding bridge ip neigh failed: %s",
10129 nl_geterror(res));
10130 }
10131 errout:
10132 if (nl_lladdr)
10133 nl_addr_put(nl_lladdr);
10134 if (nl_ipaddr)
10135 nl_addr_put(nl_ipaddr);
10136 if (rn)
10137 rtnl_neigh_put(rn);
10138 return res;
10139 #else /* CONFIG_LIBNL3_ROUTE */
10140 return -1;
10141 #endif /* CONFIG_LIBNL3_ROUTE */
10142 }
10143
10144
10145 static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
10146 const u8 *ipaddr)
10147 {
10148 #ifdef CONFIG_LIBNL3_ROUTE
10149 struct i802_bss *bss = priv;
10150 struct wpa_driver_nl80211_data *drv = bss->drv;
10151 struct rtnl_neigh *rn;
10152 struct nl_addr *nl_ipaddr;
10153 int family, addrsize;
10154 int res;
10155
10156 if (!ipaddr)
10157 return -EINVAL;
10158
10159 if (version == 4) {
10160 family = AF_INET;
10161 addrsize = 4;
10162 } else if (version == 6) {
10163 family = AF_INET6;
10164 addrsize = 16;
10165 } else {
10166 return -EINVAL;
10167 }
10168
10169 if (bss->br_ifindex == 0) {
10170 wpa_printf(MSG_DEBUG,
10171 "nl80211: bridge must be set to delete an ip neigh");
10172 return -1;
10173 }
10174
10175 if (!drv->rtnl_sk) {
10176 wpa_printf(MSG_DEBUG,
10177 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
10178 return -1;
10179 }
10180
10181 rn = rtnl_neigh_alloc();
10182 if (rn == NULL)
10183 return -ENOMEM;
10184
10185 /* set the destination ip address for neigh */
10186 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
10187 if (nl_ipaddr == NULL) {
10188 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
10189 res = -ENOMEM;
10190 goto errout;
10191 }
10192 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
10193 if (res) {
10194 wpa_printf(MSG_DEBUG,
10195 "nl80211: neigh set destination addr failed");
10196 goto errout;
10197 }
10198
10199 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
10200
10201 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
10202 if (res) {
10203 wpa_printf(MSG_DEBUG,
10204 "nl80211: Deleting bridge ip neigh failed: %s",
10205 nl_geterror(res));
10206 }
10207 errout:
10208 if (nl_ipaddr)
10209 nl_addr_put(nl_ipaddr);
10210 if (rn)
10211 rtnl_neigh_put(rn);
10212 return res;
10213 #else /* CONFIG_LIBNL3_ROUTE */
10214 return -1;
10215 #endif /* CONFIG_LIBNL3_ROUTE */
10216 }
10217
10218
10219 static int linux_write_system_file(const char *path, unsigned int val)
10220 {
10221 char buf[50];
10222 int fd, len;
10223
10224 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
10225 if (os_snprintf_error(sizeof(buf), len))
10226 return -1;
10227
10228 fd = open(path, O_WRONLY);
10229 if (fd < 0)
10230 return -1;
10231
10232 if (write(fd, buf, len) < 0) {
10233 wpa_printf(MSG_DEBUG,
10234 "nl80211: Failed to write Linux system file: %s with the value of %d",
10235 path, val);
10236 close(fd);
10237 return -1;
10238 }
10239 close(fd);
10240
10241 return 0;
10242 }
10243
10244
10245 static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
10246 {
10247 switch (attr) {
10248 case DRV_BR_PORT_ATTR_PROXYARP:
10249 return "proxyarp_wifi";
10250 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
10251 return "hairpin_mode";
10252 }
10253
10254 return NULL;
10255 }
10256
10257
10258 static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
10259 unsigned int val)
10260 {
10261 struct i802_bss *bss = priv;
10262 char path[128];
10263 const char *attr_txt;
10264
10265 attr_txt = drv_br_port_attr_str(attr);
10266 if (attr_txt == NULL)
10267 return -EINVAL;
10268
10269 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
10270 bss->ifname, attr_txt);
10271
10272 if (linux_write_system_file(path, val))
10273 return -1;
10274
10275 return 0;
10276 }
10277
10278
10279 static const char * drv_br_net_param_str(enum drv_br_net_param param)
10280 {
10281 switch (param) {
10282 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10283 return "arp_accept";
10284 default:
10285 return NULL;
10286 }
10287 }
10288
10289
10290 static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
10291 unsigned int val)
10292 {
10293 struct i802_bss *bss = priv;
10294 char path[128];
10295 const char *param_txt;
10296 int ip_version = 4;
10297
10298 if (param == DRV_BR_MULTICAST_SNOOPING) {
10299 os_snprintf(path, sizeof(path),
10300 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
10301 bss->brname);
10302 goto set_val;
10303 }
10304
10305 param_txt = drv_br_net_param_str(param);
10306 if (param_txt == NULL)
10307 return -EINVAL;
10308
10309 switch (param) {
10310 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10311 ip_version = 4;
10312 break;
10313 default:
10314 return -EINVAL;
10315 }
10316
10317 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
10318 ip_version, bss->brname, param_txt);
10319
10320 set_val:
10321 if (linux_write_system_file(path, val))
10322 return -1;
10323
10324 return 0;
10325 }
10326
10327
10328 #ifdef CONFIG_DRIVER_NL80211_QCA
10329
10330 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
10331 {
10332 switch (hw_mode) {
10333 case HOSTAPD_MODE_IEEE80211B:
10334 return QCA_ACS_MODE_IEEE80211B;
10335 case HOSTAPD_MODE_IEEE80211G:
10336 return QCA_ACS_MODE_IEEE80211G;
10337 case HOSTAPD_MODE_IEEE80211A:
10338 return QCA_ACS_MODE_IEEE80211A;
10339 case HOSTAPD_MODE_IEEE80211AD:
10340 return QCA_ACS_MODE_IEEE80211AD;
10341 case HOSTAPD_MODE_IEEE80211ANY:
10342 return QCA_ACS_MODE_IEEE80211ANY;
10343 default:
10344 return -1;
10345 }
10346 }
10347
10348
10349 static int add_acs_ch_list(struct nl_msg *msg, const int *freq_list)
10350 {
10351 int num_channels = 0, num_freqs;
10352 u8 *ch_list;
10353 enum hostapd_hw_mode hw_mode;
10354 int ret = 0;
10355 int i;
10356
10357 if (!freq_list)
10358 return 0;
10359
10360 num_freqs = int_array_len(freq_list);
10361 ch_list = os_malloc(sizeof(u8) * num_freqs);
10362 if (!ch_list)
10363 return -1;
10364
10365 for (i = 0; i < num_freqs; i++) {
10366 const int freq = freq_list[i];
10367
10368 if (freq == 0)
10369 break;
10370 /* Send 2.4 GHz and 5 GHz channels with
10371 * QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST to maintain backwards
10372 * compatibility.
10373 */
10374 if (!(freq >= 2412 && freq <= 2484) &&
10375 !(freq >= 5180 && freq <= 5900))
10376 continue;
10377 hw_mode = ieee80211_freq_to_chan(freq, &ch_list[num_channels]);
10378 if (hw_mode != NUM_HOSTAPD_MODES)
10379 num_channels++;
10380 }
10381
10382 if (num_channels)
10383 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST,
10384 num_channels, ch_list);
10385
10386 os_free(ch_list);
10387 return ret;
10388 }
10389
10390
10391 static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
10392 {
10393 int i, len, ret;
10394 u32 *freqs;
10395
10396 if (!freq_list)
10397 return 0;
10398 len = int_array_len(freq_list);
10399 freqs = os_malloc(sizeof(u32) * len);
10400 if (!freqs)
10401 return -1;
10402 for (i = 0; i < len; i++)
10403 freqs[i] = freq_list[i];
10404 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
10405 sizeof(u32) * len, freqs);
10406 os_free(freqs);
10407 return ret;
10408 }
10409
10410
10411 static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
10412 {
10413 struct i802_bss *bss = priv;
10414 struct wpa_driver_nl80211_data *drv = bss->drv;
10415 struct nl_msg *msg;
10416 struct nlattr *data;
10417 int ret;
10418 int mode;
10419
10420 mode = hw_mode_to_qca_acs(params->hw_mode);
10421 if (mode < 0)
10422 return -1;
10423
10424 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10425 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10426 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10427 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
10428 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10429 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
10430 (params->ht_enabled &&
10431 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
10432 (params->ht40_enabled &&
10433 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
10434 (params->vht_enabled &&
10435 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
10436 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
10437 params->ch_width) ||
10438 add_acs_ch_list(msg, params->freq_list) ||
10439 add_acs_freq_list(msg, params->freq_list)) {
10440 nlmsg_free(msg);
10441 return -ENOBUFS;
10442 }
10443 nla_nest_end(msg, data);
10444
10445 wpa_printf(MSG_DEBUG,
10446 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d",
10447 params->hw_mode, params->ht_enabled, params->ht40_enabled,
10448 params->vht_enabled, params->ch_width);
10449
10450 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10451 if (ret) {
10452 wpa_printf(MSG_DEBUG,
10453 "nl80211: Failed to invoke driver ACS function: %s",
10454 strerror(-ret));
10455 }
10456 return ret;
10457 }
10458
10459
10460 static int nl80211_set_band(void *priv, enum set_band band)
10461 {
10462 struct i802_bss *bss = priv;
10463 struct wpa_driver_nl80211_data *drv = bss->drv;
10464 struct nl_msg *msg;
10465 struct nlattr *data;
10466 int ret;
10467 enum qca_set_band qca_band;
10468
10469 if (!drv->setband_vendor_cmd_avail)
10470 return -1;
10471
10472 switch (band) {
10473 case WPA_SETBAND_AUTO:
10474 qca_band = QCA_SETBAND_AUTO;
10475 break;
10476 case WPA_SETBAND_5G:
10477 qca_band = QCA_SETBAND_5G;
10478 break;
10479 case WPA_SETBAND_2G:
10480 qca_band = QCA_SETBAND_2G;
10481 break;
10482 default:
10483 return -1;
10484 }
10485
10486 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10487 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10488 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10489 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
10490 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10491 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
10492 nlmsg_free(msg);
10493 return -ENOBUFS;
10494 }
10495 nla_nest_end(msg, data);
10496
10497 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10498 if (ret) {
10499 wpa_printf(MSG_DEBUG,
10500 "nl80211: Driver setband function failed: %s",
10501 strerror(-ret));
10502 }
10503 return ret;
10504 }
10505
10506
10507 struct nl80211_pcl {
10508 unsigned int num;
10509 unsigned int *freq_list;
10510 };
10511
10512 static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
10513 {
10514 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10515 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10516 struct nl80211_pcl *param = arg;
10517 struct nlattr *nl_vend, *attr;
10518 enum qca_iface_type iface_type;
10519 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10520 unsigned int num, max_num;
10521 u32 *freqs;
10522
10523 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10524 genlmsg_attrlen(gnlh, 0), NULL);
10525
10526 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
10527 if (!nl_vend)
10528 return NL_SKIP;
10529
10530 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10531 nla_data(nl_vend), nla_len(nl_vend), NULL);
10532
10533 attr = tb_vendor[
10534 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
10535 if (!attr) {
10536 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
10537 param->num = 0;
10538 return NL_SKIP;
10539 }
10540
10541 iface_type = (enum qca_iface_type) nla_get_u32(attr);
10542 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
10543 iface_type);
10544
10545 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
10546 if (!attr) {
10547 wpa_printf(MSG_ERROR,
10548 "nl80211: preferred_freq_list couldn't be found");
10549 param->num = 0;
10550 return NL_SKIP;
10551 }
10552
10553 /*
10554 * param->num has the maximum number of entries for which there
10555 * is room in the freq_list provided by the caller.
10556 */
10557 freqs = nla_data(attr);
10558 max_num = nla_len(attr) / sizeof(u32);
10559 if (max_num > param->num)
10560 max_num = param->num;
10561 for (num = 0; num < max_num; num++)
10562 param->freq_list[num] = freqs[num];
10563 param->num = num;
10564
10565 return NL_SKIP;
10566 }
10567
10568
10569 static int nl80211_get_pref_freq_list(void *priv,
10570 enum wpa_driver_if_type if_type,
10571 unsigned int *num,
10572 unsigned int *freq_list)
10573 {
10574 struct i802_bss *bss = priv;
10575 struct wpa_driver_nl80211_data *drv = bss->drv;
10576 struct nl_msg *msg;
10577 int ret;
10578 unsigned int i;
10579 struct nlattr *params;
10580 struct nl80211_pcl param;
10581 enum qca_iface_type iface_type;
10582
10583 if (!drv->get_pref_freq_list)
10584 return -1;
10585
10586 switch (if_type) {
10587 case WPA_IF_STATION:
10588 iface_type = QCA_IFACE_TYPE_STA;
10589 break;
10590 case WPA_IF_AP_BSS:
10591 iface_type = QCA_IFACE_TYPE_AP;
10592 break;
10593 case WPA_IF_P2P_GO:
10594 iface_type = QCA_IFACE_TYPE_P2P_GO;
10595 break;
10596 case WPA_IF_P2P_CLIENT:
10597 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
10598 break;
10599 case WPA_IF_IBSS:
10600 iface_type = QCA_IFACE_TYPE_IBSS;
10601 break;
10602 case WPA_IF_TDLS:
10603 iface_type = QCA_IFACE_TYPE_TDLS;
10604 break;
10605 default:
10606 return -1;
10607 }
10608
10609 param.num = *num;
10610 param.freq_list = freq_list;
10611
10612 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10613 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
10614 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10615 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10616 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
10617 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10618 nla_put_u32(msg,
10619 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
10620 iface_type)) {
10621 wpa_printf(MSG_ERROR,
10622 "%s: err in adding vendor_cmd and vendor_data",
10623 __func__);
10624 nlmsg_free(msg);
10625 return -1;
10626 }
10627 nla_nest_end(msg, params);
10628
10629 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
10630 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
10631 if (ret) {
10632 wpa_printf(MSG_ERROR,
10633 "%s: err in send_and_recv_msgs", __func__);
10634 return ret;
10635 }
10636
10637 *num = param.num;
10638
10639 for (i = 0; i < *num; i++) {
10640 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
10641 i, freq_list[i]);
10642 }
10643
10644 return 0;
10645 }
10646
10647
10648 static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
10649 {
10650 struct i802_bss *bss = priv;
10651 struct wpa_driver_nl80211_data *drv = bss->drv;
10652 struct nl_msg *msg;
10653 int ret;
10654 struct nlattr *params;
10655
10656 if (!drv->set_prob_oper_freq)
10657 return -1;
10658
10659 wpa_printf(MSG_DEBUG,
10660 "nl80211: Set P2P probable operating freq %u for ifindex %d",
10661 freq, bss->ifindex);
10662
10663 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10664 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10665 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10666 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
10667 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10668 nla_put_u32(msg,
10669 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
10670 QCA_IFACE_TYPE_P2P_CLIENT) ||
10671 nla_put_u32(msg,
10672 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
10673 freq)) {
10674 wpa_printf(MSG_ERROR,
10675 "%s: err in adding vendor_cmd and vendor_data",
10676 __func__);
10677 nlmsg_free(msg);
10678 return -1;
10679 }
10680 nla_nest_end(msg, params);
10681
10682 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10683 msg = NULL;
10684 if (ret) {
10685 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
10686 __func__);
10687 return ret;
10688 }
10689 nlmsg_free(msg);
10690 return 0;
10691 }
10692
10693
10694 static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
10695 unsigned int period, unsigned int interval,
10696 unsigned int count, const u8 *device_types,
10697 size_t dev_types_len,
10698 const u8 *ies, size_t ies_len)
10699 {
10700 struct i802_bss *bss = priv;
10701 struct wpa_driver_nl80211_data *drv = bss->drv;
10702 struct nl_msg *msg;
10703 struct nlattr *container;
10704 int ret;
10705
10706 wpa_printf(MSG_DEBUG,
10707 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
10708 freq, period, interval, count);
10709
10710 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10711 return -1;
10712
10713 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10714 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10715 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10716 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
10717 goto fail;
10718
10719 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10720 if (!container)
10721 goto fail;
10722
10723 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
10724 freq) ||
10725 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
10726 period) ||
10727 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
10728 interval) ||
10729 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
10730 count) ||
10731 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
10732 dev_types_len, device_types) ||
10733 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
10734 ies_len, ies))
10735 goto fail;
10736
10737 nla_nest_end(msg, container);
10738 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10739 msg = NULL;
10740 if (ret) {
10741 wpa_printf(MSG_DEBUG,
10742 "nl80211: Failed to send P2P Listen offload vendor command");
10743 goto fail;
10744 }
10745
10746 return 0;
10747
10748 fail:
10749 nlmsg_free(msg);
10750 return -1;
10751 }
10752
10753
10754 static int nl80211_p2p_lo_stop(void *priv)
10755 {
10756 struct i802_bss *bss = priv;
10757 struct wpa_driver_nl80211_data *drv = bss->drv;
10758 struct nl_msg *msg;
10759
10760 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
10761
10762 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10763 return -1;
10764
10765 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10766 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10767 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10768 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
10769 nlmsg_free(msg);
10770 return -1;
10771 }
10772
10773 return send_and_recv_msgs(drv, msg, NULL, NULL);
10774 }
10775
10776
10777 static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
10778 {
10779 struct i802_bss *bss = priv;
10780 struct wpa_driver_nl80211_data *drv = bss->drv;
10781 struct nl_msg *msg;
10782 struct nlattr *params;
10783 int ret;
10784 u32 tdls_mode;
10785
10786 wpa_printf(MSG_DEBUG,
10787 "nl80211: Set TDKS mode: tdls_external_control=%d",
10788 tdls_external_control);
10789
10790 if (tdls_external_control == 1)
10791 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
10792 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
10793 else
10794 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
10795
10796 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10797 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10798 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10799 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
10800 goto fail;
10801
10802 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10803 if (!params)
10804 goto fail;
10805
10806 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
10807 tdls_mode))
10808 goto fail;
10809
10810 nla_nest_end(msg, params);
10811
10812 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10813 msg = NULL;
10814 if (ret) {
10815 wpa_printf(MSG_ERROR,
10816 "nl80211: Set TDLS mode failed: ret=%d (%s)",
10817 ret, strerror(-ret));
10818 goto fail;
10819 }
10820 return 0;
10821 fail:
10822 nlmsg_free(msg);
10823 return -1;
10824 }
10825
10826
10827 #ifdef CONFIG_MBO
10828
10829 static enum mbo_transition_reject_reason
10830 nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
10831 {
10832 switch (status) {
10833 case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
10834 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
10835 case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
10836 return MBO_TRANSITION_REJECT_REASON_DELAY;
10837 case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
10838 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
10839 case QCA_STATUS_REJECT_LOW_RSSI:
10840 return MBO_TRANSITION_REJECT_REASON_RSSI;
10841 case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
10842 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
10843 case QCA_STATUS_REJECT_UNKNOWN:
10844 default:
10845 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
10846 }
10847 }
10848
10849
10850 static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
10851 struct nlattr *tb[], int num)
10852 {
10853 enum qca_wlan_btm_candidate_status status;
10854 char buf[50];
10855
10856 os_memcpy(candidate->bssid,
10857 nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
10858 ETH_ALEN);
10859
10860 status = nla_get_u32(
10861 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
10862 candidate->is_accept = status == QCA_STATUS_ACCEPT;
10863 candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
10864
10865 if (candidate->is_accept)
10866 os_snprintf(buf, sizeof(buf), "Accepted");
10867 else
10868 os_snprintf(buf, sizeof(buf),
10869 "Rejected, Reject_reason: %d",
10870 candidate->reject_reason);
10871 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s",
10872 num, MAC2STR(candidate->bssid), buf);
10873 }
10874
10875
10876 static int
10877 nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
10878 {
10879 struct wpa_bss_candidate_info *info = arg;
10880 struct candidate_list *candidate = info->candidates;
10881 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
10882 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10883 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
10884 static struct nla_policy policy[
10885 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
10886 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
10887 .minlen = ETH_ALEN
10888 },
10889 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
10890 .type = NLA_U32,
10891 },
10892 };
10893 struct nlattr *attr;
10894 int rem;
10895 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10896 u8 num;
10897
10898 num = info->num; /* number of candidates sent to driver */
10899 info->num = 0;
10900 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10901 genlmsg_attrlen(gnlh, 0), NULL);
10902
10903 if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
10904 nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10905 tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
10906 !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
10907 return NL_SKIP;
10908
10909 wpa_printf(MSG_DEBUG,
10910 "nl80211: WNM Candidate list received from driver");
10911 nla_for_each_nested(attr,
10912 tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
10913 rem) {
10914 if (info->num >= num ||
10915 nla_parse_nested(
10916 tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
10917 attr, policy) ||
10918 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
10919 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
10920 break;
10921
10922 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
10923
10924 candidate++;
10925 info->num++;
10926 }
10927
10928 return NL_SKIP;
10929 }
10930
10931
10932 static struct wpa_bss_candidate_info *
10933 nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
10934 {
10935 struct i802_bss *bss = priv;
10936 struct wpa_driver_nl80211_data *drv = bss->drv;
10937 struct nl_msg *msg;
10938 struct nlattr *attr, *attr1, *attr2;
10939 struct wpa_bss_candidate_info *info;
10940 u8 i;
10941 int ret;
10942 u8 *pos;
10943
10944 if (!drv->fetch_bss_trans_status)
10945 return NULL;
10946
10947 info = os_zalloc(sizeof(*info));
10948 if (!info)
10949 return NULL;
10950 /* Allocate memory for number of candidates sent to driver */
10951 info->candidates = os_calloc(params->n_candidates,
10952 sizeof(*info->candidates));
10953 if (!info->candidates) {
10954 os_free(info);
10955 return NULL;
10956 }
10957
10958 /* Copy the number of candidates being sent to driver. This is used in
10959 * nl80211_get_bss_transition_status_handler() to limit the number of
10960 * candidates that can be populated in info->candidates and will be
10961 * later overwritten with the actual number of candidates received from
10962 * the driver.
10963 */
10964 info->num = params->n_candidates;
10965
10966 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10967 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10968 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10969 QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
10970 goto fail;
10971
10972 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10973 if (!attr)
10974 goto fail;
10975
10976 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
10977 params->mbo_transition_reason))
10978 goto fail;
10979
10980 attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
10981 if (!attr1)
10982 goto fail;
10983
10984 wpa_printf(MSG_DEBUG,
10985 "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
10986 params->mbo_transition_reason, params->n_candidates);
10987 pos = params->bssid;
10988 for (i = 0; i < params->n_candidates; i++) {
10989 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i,
10990 MAC2STR(pos));
10991 attr2 = nla_nest_start(msg, i);
10992 if (!attr2 ||
10993 nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
10994 ETH_ALEN, pos))
10995 goto fail;
10996 pos += ETH_ALEN;
10997 nla_nest_end(msg, attr2);
10998 }
10999
11000 nla_nest_end(msg, attr1);
11001 nla_nest_end(msg, attr);
11002
11003 ret = send_and_recv_msgs(drv, msg,
11004 nl80211_get_bss_transition_status_handler,
11005 info);
11006 msg = NULL;
11007 if (ret) {
11008 wpa_printf(MSG_ERROR,
11009 "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
11010 ret, strerror(-ret));
11011 goto fail;
11012 }
11013 return info;
11014
11015 fail:
11016 nlmsg_free(msg);
11017 os_free(info->candidates);
11018 os_free(info);
11019 return NULL;
11020 }
11021
11022
11023 /**
11024 * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
11025 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
11026 * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
11027 * Returns: 0 on success, -1 on failure
11028 */
11029 static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
11030 {
11031 struct i802_bss *bss = priv;
11032 struct wpa_driver_nl80211_data *drv = bss->drv;
11033 struct nl_msg *msg;
11034 struct nlattr *attr;
11035 int ret = -1;
11036
11037 if (!drv->set_wifi_conf_vendor_cmd_avail)
11038 return -1;
11039
11040 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
11041 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
11042 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
11043 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
11044 goto fail;
11045
11046 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
11047 if (!attr)
11048 goto fail;
11049
11050 wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
11051 ignore_disallow);
11052 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
11053 ignore_disallow))
11054 goto fail;
11055
11056 nla_nest_end(msg, attr);
11057
11058 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11059 msg = NULL;
11060 if (ret) {
11061 wpa_printf(MSG_ERROR,
11062 "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
11063 ret, strerror(-ret));
11064 goto fail;
11065 }
11066
11067 fail:
11068 nlmsg_free(msg);
11069 return ret;
11070 }
11071
11072 #endif /* CONFIG_MBO */
11073
11074 #endif /* CONFIG_DRIVER_NL80211_QCA */
11075
11076
11077 static int nl80211_write_to_file(const char *name, unsigned int val)
11078 {
11079 int fd, len;
11080 char tmp[128];
11081 int ret = 0;
11082
11083 fd = open(name, O_RDWR);
11084 if (fd < 0) {
11085 int level;
11086 /*
11087 * Flags may not exist on older kernels, or while we're tearing
11088 * down a disappearing device.
11089 */
11090 if (errno == ENOENT) {
11091 ret = 0;
11092 level = MSG_DEBUG;
11093 } else {
11094 ret = -1;
11095 level = MSG_ERROR;
11096 }
11097 wpa_printf(level, "nl80211: Failed to open %s: %s",
11098 name, strerror(errno));
11099 return ret;
11100 }
11101
11102 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
11103 len = write(fd, tmp, len);
11104 if (len < 0) {
11105 ret = -1;
11106 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
11107 name, strerror(errno));
11108 }
11109 close(fd);
11110
11111 return ret;
11112 }
11113
11114
11115 static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
11116 {
11117 struct i802_bss *bss = priv;
11118 char path[128];
11119 int ret;
11120
11121 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
11122 filter_flags);
11123
11124 /* Configure filtering of unicast frame encrypted using GTK */
11125 ret = os_snprintf(path, sizeof(path),
11126 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
11127 bss->ifname);
11128 if (os_snprintf_error(sizeof(path), ret))
11129 return -1;
11130
11131 ret = nl80211_write_to_file(path,
11132 !!(filter_flags &
11133 WPA_DATA_FRAME_FILTER_FLAG_GTK));
11134 if (ret) {
11135 wpa_printf(MSG_ERROR,
11136 "nl80211: Failed to set IPv4 unicast in multicast filter");
11137 return ret;
11138 }
11139
11140 os_snprintf(path, sizeof(path),
11141 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
11142 bss->ifname);
11143 ret = nl80211_write_to_file(path,
11144 !!(filter_flags &
11145 WPA_DATA_FRAME_FILTER_FLAG_GTK));
11146
11147 if (ret) {
11148 wpa_printf(MSG_ERROR,
11149 "nl80211: Failed to set IPv6 unicast in multicast filter");
11150 return ret;
11151 }
11152
11153 /* Configure filtering of unicast frame encrypted using GTK */
11154 os_snprintf(path, sizeof(path),
11155 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
11156 bss->ifname);
11157 ret = nl80211_write_to_file(path,
11158 !!(filter_flags &
11159 WPA_DATA_FRAME_FILTER_FLAG_ARP));
11160 if (ret) {
11161 wpa_printf(MSG_ERROR,
11162 "nl80211: Failed set gratuitous ARP filter");
11163 return ret;
11164 }
11165
11166 /* Configure filtering of IPv6 NA frames */
11167 os_snprintf(path, sizeof(path),
11168 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
11169 bss->ifname);
11170 ret = nl80211_write_to_file(path,
11171 !!(filter_flags &
11172 WPA_DATA_FRAME_FILTER_FLAG_NA));
11173 if (ret) {
11174 wpa_printf(MSG_ERROR,
11175 "nl80211: Failed to set unsolicited NA filter");
11176 return ret;
11177 }
11178
11179 return 0;
11180 }
11181
11182
11183 static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
11184 const u8 **ext_capa, const u8 **ext_capa_mask,
11185 unsigned int *ext_capa_len)
11186 {
11187 struct i802_bss *bss = priv;
11188 struct wpa_driver_nl80211_data *drv = bss->drv;
11189 enum nl80211_iftype nlmode;
11190 unsigned int i;
11191
11192 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
11193 return -1;
11194
11195 nlmode = wpa_driver_nl80211_if_type(type);
11196
11197 /* By default, use the per-radio values */
11198 *ext_capa = drv->extended_capa;
11199 *ext_capa_mask = drv->extended_capa_mask;
11200 *ext_capa_len = drv->extended_capa_len;
11201
11202 /* Replace the default value if a per-interface type value exists */
11203 for (i = 0; i < drv->num_iface_ext_capa; i++) {
11204 if (nlmode == drv->iface_ext_capa[i].iftype) {
11205 *ext_capa = drv->iface_ext_capa[i].ext_capa;
11206 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
11207 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
11208 break;
11209 }
11210 }
11211
11212 return 0;
11213 }
11214
11215
11216 static int nl80211_update_connection_params(
11217 void *priv, struct wpa_driver_associate_params *params,
11218 enum wpa_drv_update_connect_params_mask mask)
11219 {
11220 struct i802_bss *bss = priv;
11221 struct wpa_driver_nl80211_data *drv = bss->drv;
11222 struct nl_msg *msg;
11223 int ret = -1;
11224 enum nl80211_auth_type type;
11225
11226 /* Update Connection Params is intended for drivers that implement
11227 * internal SME and expect these updated connection params from
11228 * wpa_supplicant. Do not send this request for the drivers using
11229 * SME from wpa_supplicant.
11230 */
11231 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
11232 return 0;
11233
11234 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
11235 if (!msg)
11236 goto fail;
11237
11238 wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
11239 drv->ifindex);
11240
11241 if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
11242 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
11243 params->wpa_ie))
11244 goto fail;
11245 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie,
11246 params->wpa_ie_len);
11247 }
11248
11249 if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
11250 type = get_nl_auth_type(params->auth_alg);
11251 if (type == NL80211_AUTHTYPE_MAX ||
11252 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
11253 goto fail;
11254 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
11255 }
11256
11257 if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
11258 nl80211_put_fils_connect_params(drv, params, msg))
11259 goto fail;
11260
11261 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11262 msg = NULL;
11263 if (ret)
11264 wpa_dbg(drv->ctx, MSG_DEBUG,
11265 "nl80211: Update connect params command failed: ret=%d (%s)",
11266 ret, strerror(-ret));
11267
11268 fail:
11269 nlmsg_free(msg);
11270 return ret;
11271 }
11272
11273
11274 static int nl80211_send_external_auth_status(void *priv,
11275 struct external_auth *params)
11276 {
11277 struct i802_bss *bss = priv;
11278 struct wpa_driver_nl80211_data *drv = bss->drv;
11279 struct nl_msg *msg = NULL;
11280 int ret = -1;
11281
11282 /* External auth command/status is intended for drivers that implement
11283 * internal SME but want to offload authentication processing (e.g.,
11284 * SAE) to hostapd/wpa_supplicant. Do not send the status to drivers
11285 * which do not support AP SME or use wpa_supplicant/hostapd SME.
11286 */
11287 if ((is_ap_interface(drv->nlmode) && !bss->drv->device_ap_sme) ||
11288 (drv->capa.flags & WPA_DRIVER_FLAGS_SME))
11289 return -1;
11290
11291 wpa_dbg(drv->ctx, MSG_DEBUG,
11292 "nl80211: External auth status: %u", params->status);
11293
11294 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH);
11295 if (!msg ||
11296 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) ||
11297 (params->ssid && params->ssid_len &&
11298 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
11299 (params->pmkid &&
11300 nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) ||
11301 (params->bssid &&
11302 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
11303 goto fail;
11304 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11305 msg = NULL;
11306 if (ret) {
11307 wpa_printf(MSG_DEBUG,
11308 "nl80211: External Auth status update failed: ret=%d (%s)",
11309 ret, strerror(-ret));
11310 goto fail;
11311 }
11312 fail:
11313 nlmsg_free(msg);
11314 return ret;
11315 }
11316
11317
11318 static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
11319 int val)
11320 {
11321 struct i802_bss *bss = priv;
11322 struct wpa_driver_nl80211_data *drv = bss->drv;
11323 struct nl_msg *msg;
11324 int ret = -ENOBUFS;
11325
11326 wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
11327 val ? "Enable" : "Disable", bridge_ifname);
11328
11329 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
11330 if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
11331 goto fail;
11332
11333 if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
11334 if (linux_br_del_if(drv->global->ioctl_sock,
11335 bridge_ifname, bss->ifname)) {
11336 wpa_printf(MSG_ERROR,
11337 "nl80211: Failed to remove interface %s from bridge %s",
11338 bss->ifname, bridge_ifname);
11339 return -1;
11340 }
11341 bss->added_if_into_bridge = 0;
11342 }
11343
11344 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11345 msg = NULL;
11346 if (!ret) {
11347 if (bridge_ifname[0] && val &&
11348 i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
11349 return -1;
11350 return 0;
11351 }
11352
11353 fail:
11354 nlmsg_free(msg);
11355 wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
11356
11357 return ret;
11358 }
11359
11360
11361 const struct wpa_driver_ops wpa_driver_nl80211_ops = {
11362 .name = "nl80211",
11363 .desc = "Linux nl80211/cfg80211",
11364 .get_bssid = wpa_driver_nl80211_get_bssid,
11365 .get_ssid = wpa_driver_nl80211_get_ssid,
11366 .set_key = driver_nl80211_set_key,
11367 .scan2 = driver_nl80211_scan2,
11368 .sched_scan = wpa_driver_nl80211_sched_scan,
11369 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
11370 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
11371 .abort_scan = wpa_driver_nl80211_abort_scan,
11372 .deauthenticate = driver_nl80211_deauthenticate,
11373 .authenticate = driver_nl80211_authenticate,
11374 .associate = wpa_driver_nl80211_associate,
11375 .global_init = nl80211_global_init,
11376 .global_deinit = nl80211_global_deinit,
11377 .init2 = wpa_driver_nl80211_init,
11378 .deinit = driver_nl80211_deinit,
11379 .get_capa = wpa_driver_nl80211_get_capa,
11380 .set_operstate = wpa_driver_nl80211_set_operstate,
11381 .set_supp_port = wpa_driver_nl80211_set_supp_port,
11382 .set_country = wpa_driver_nl80211_set_country,
11383 .get_country = wpa_driver_nl80211_get_country,
11384 .set_ap = wpa_driver_nl80211_set_ap,
11385 .set_acl = wpa_driver_nl80211_set_acl,
11386 .if_add = wpa_driver_nl80211_if_add,
11387 .if_remove = driver_nl80211_if_remove,
11388 .send_mlme = driver_nl80211_send_mlme,
11389 .get_hw_feature_data = nl80211_get_hw_feature_data,
11390 .sta_add = wpa_driver_nl80211_sta_add,
11391 .sta_remove = driver_nl80211_sta_remove,
11392 .tx_control_port = nl80211_tx_control_port,
11393 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
11394 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
11395 .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight,
11396 .hapd_init = i802_init,
11397 .hapd_deinit = i802_deinit,
11398 .set_wds_sta = i802_set_wds_sta,
11399 .get_seqnum = i802_get_seqnum,
11400 .flush = i802_flush,
11401 .get_inact_sec = i802_get_inact_sec,
11402 .sta_clear_stats = i802_sta_clear_stats,
11403 .set_rts = i802_set_rts,
11404 .set_frag = i802_set_frag,
11405 .set_tx_queue_params = i802_set_tx_queue_params,
11406 .set_sta_vlan = driver_nl80211_set_sta_vlan,
11407 .sta_deauth = i802_sta_deauth,
11408 .sta_disassoc = i802_sta_disassoc,
11409 .read_sta_data = driver_nl80211_read_sta_data,
11410 .set_freq = i802_set_freq,
11411 .send_action = driver_nl80211_send_action,
11412 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
11413 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
11414 .cancel_remain_on_channel =
11415 wpa_driver_nl80211_cancel_remain_on_channel,
11416 .probe_req_report = driver_nl80211_probe_req_report,
11417 .deinit_ap = wpa_driver_nl80211_deinit_ap,
11418 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
11419 .resume = wpa_driver_nl80211_resume,
11420 .signal_monitor = nl80211_signal_monitor,
11421 .signal_poll = nl80211_signal_poll,
11422 .channel_info = nl80211_channel_info,
11423 .set_param = nl80211_set_param,
11424 .get_radio_name = nl80211_get_radio_name,
11425 .add_pmkid = nl80211_add_pmkid,
11426 .remove_pmkid = nl80211_remove_pmkid,
11427 .flush_pmkid = nl80211_flush_pmkid,
11428 .set_rekey_info = nl80211_set_rekey_info,
11429 .poll_client = nl80211_poll_client,
11430 .set_p2p_powersave = nl80211_set_p2p_powersave,
11431 .start_dfs_cac = nl80211_start_radar_detection,
11432 .stop_ap = wpa_driver_nl80211_stop_ap,
11433 #ifdef CONFIG_TDLS
11434 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
11435 .tdls_oper = nl80211_tdls_oper,
11436 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
11437 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
11438 #endif /* CONFIG_TDLS */
11439 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
11440 .update_dh_ie = nl80211_update_dh_ie,
11441 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
11442 .get_survey = wpa_driver_nl80211_get_survey,
11443 .status = wpa_driver_nl80211_status,
11444 .switch_channel = nl80211_switch_channel,
11445 #ifdef ANDROID_P2P
11446 .set_noa = wpa_driver_set_p2p_noa,
11447 .get_noa = wpa_driver_get_p2p_noa,
11448 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
11449 #endif /* ANDROID_P2P */
11450 #ifdef ANDROID
11451 #ifndef ANDROID_LIB_STUB
11452 .driver_cmd = wpa_driver_nl80211_driver_cmd,
11453 #endif /* !ANDROID_LIB_STUB */
11454 #endif /* ANDROID */
11455 .vendor_cmd = nl80211_vendor_cmd,
11456 .set_qos_map = nl80211_set_qos_map,
11457 .get_wowlan = nl80211_get_wowlan,
11458 .set_wowlan = nl80211_set_wowlan,
11459 .set_mac_addr = nl80211_set_mac_addr,
11460 #ifdef CONFIG_MESH
11461 .init_mesh = wpa_driver_nl80211_init_mesh,
11462 .join_mesh = wpa_driver_nl80211_join_mesh,
11463 .leave_mesh = wpa_driver_nl80211_leave_mesh,
11464 .probe_mesh_link = nl80211_probe_mesh_link,
11465 #endif /* CONFIG_MESH */
11466 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
11467 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
11468 .br_port_set_attr = wpa_driver_br_port_set_attr,
11469 .br_set_net_param = wpa_driver_br_set_net_param,
11470 .add_tx_ts = nl80211_add_ts,
11471 .del_tx_ts = nl80211_del_ts,
11472 .get_ifindex = nl80211_get_ifindex,
11473 #ifdef CONFIG_DRIVER_NL80211_QCA
11474 .roaming = nl80211_roaming,
11475 .disable_fils = nl80211_disable_fils,
11476 .do_acs = wpa_driver_do_acs,
11477 .set_band = nl80211_set_band,
11478 .get_pref_freq_list = nl80211_get_pref_freq_list,
11479 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
11480 .p2p_lo_start = nl80211_p2p_lo_start,
11481 .p2p_lo_stop = nl80211_p2p_lo_stop,
11482 .set_default_scan_ies = nl80211_set_default_scan_ies,
11483 .set_tdls_mode = nl80211_set_tdls_mode,
11484 #ifdef CONFIG_MBO
11485 .get_bss_transition_status = nl80211_get_bss_transition_status,
11486 .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
11487 #endif /* CONFIG_MBO */
11488 .set_bssid_blacklist = nl80211_set_bssid_blacklist,
11489 .add_sta_node = nl80211_add_sta_node,
11490 #endif /* CONFIG_DRIVER_NL80211_QCA */
11491 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
11492 .get_ext_capab = nl80211_get_ext_capab,
11493 .update_connect_params = nl80211_update_connection_params,
11494 .send_external_auth_status = nl80211_send_external_auth_status,
11495 .set_4addr_mode = nl80211_set_4addr_mode,
11496 };
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