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nl80211: Fetch STA TX/RX duration statistics
[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 #ifndef CONFIG_LIBNL20
70 /*
71 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
72 * but when you free a socket again it will mess up its bitmap and
73 * and use the wrong number the next time it needs a socket ID.
74 * Therefore, we wrap the handle alloc/destroy and add our own pid
75 * accounting.
76 */
77 static uint32_t port_bitmap[32] = { 0 };
78
79 static struct nl_handle *nl80211_handle_alloc(void *cb)
80 {
81 struct nl_handle *handle;
82 uint32_t pid = getpid() & 0x3FFFFF;
83 int i;
84
85 handle = nl_handle_alloc_cb(cb);
86
87 for (i = 0; i < 1024; i++) {
88 if (port_bitmap[i / 32] & (1 << (i % 32)))
89 continue;
90 port_bitmap[i / 32] |= 1 << (i % 32);
91 pid += i << 22;
92 break;
93 }
94
95 nl_socket_set_local_port(handle, pid);
96
97 return handle;
98 }
99
100 static void nl80211_handle_destroy(struct nl_handle *handle)
101 {
102 uint32_t port = nl_socket_get_local_port(handle);
103
104 port >>= 22;
105 port_bitmap[port / 32] &= ~(1 << (port % 32));
106
107 nl_handle_destroy(handle);
108 }
109 #endif /* CONFIG_LIBNL20 */
110
111
112 #ifdef ANDROID
113 /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
114 #undef nl_socket_set_nonblocking
115 #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
116
117 #endif /* ANDROID */
118
119
120 static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
121 {
122 struct nl_handle *handle;
123
124 handle = nl80211_handle_alloc(cb);
125 if (handle == NULL) {
126 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
127 "callbacks (%s)", dbg);
128 return NULL;
129 }
130
131 if (genl_connect(handle)) {
132 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
133 "netlink (%s)", dbg);
134 nl80211_handle_destroy(handle);
135 return NULL;
136 }
137
138 return handle;
139 }
140
141
142 static void nl_destroy_handles(struct nl_handle **handle)
143 {
144 if (*handle == NULL)
145 return;
146 nl80211_handle_destroy(*handle);
147 *handle = NULL;
148 }
149
150
151 #if __WORDSIZE == 64
152 #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
153 #else
154 #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
155 #endif
156
157 static void nl80211_register_eloop_read(struct nl_handle **handle,
158 eloop_sock_handler handler,
159 void *eloop_data, int persist)
160 {
161 #ifdef CONFIG_LIBNL20
162 /*
163 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
164 * by default. It is possible to hit that limit in some cases where
165 * operations are blocked, e.g., with a burst of Deauthentication frames
166 * to hostapd and STA entry deletion. Try to increase the buffer to make
167 * this less likely to occur.
168 */
169 if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
170 wpa_printf(MSG_DEBUG,
171 "nl80211: Could not set nl_socket RX buffer size: %s",
172 strerror(errno));
173 /* continue anyway with the default (smaller) buffer */
174 }
175 #endif /* CONFIG_LIBNL20 */
176
177 nl_socket_set_nonblocking(*handle);
178 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
179 eloop_data, *handle);
180 if (!persist)
181 *handle = (void *) (((intptr_t) *handle) ^
182 ELOOP_SOCKET_INVALID);
183 }
184
185
186 static void nl80211_destroy_eloop_handle(struct nl_handle **handle, int persist)
187 {
188 if (!persist)
189 *handle = (void *) (((intptr_t) *handle) ^
190 ELOOP_SOCKET_INVALID);
191 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
192 nl_destroy_handles(handle);
193 }
194
195
196 static void nl80211_global_deinit(void *priv);
197 static void nl80211_check_global(struct nl80211_global *global);
198
199 static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
200 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
201 struct hostapd_freq_params *freq);
202
203 static int
204 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
205 const u8 *set_addr, int first,
206 const char *driver_params);
207 static int nl80211_send_frame_cmd(struct i802_bss *bss,
208 unsigned int freq, unsigned int wait,
209 const u8 *buf, size_t buf_len, u64 *cookie,
210 int no_cck, int no_ack, int offchanok,
211 const u16 *csa_offs, size_t csa_offs_len);
212 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
213 int report);
214
215 #define IFIDX_ANY -1
216
217 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
218 int ifidx_reason);
219 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
220 int ifidx_reason);
221 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
222 int ifidx_reason);
223
224 static int nl80211_set_channel(struct i802_bss *bss,
225 struct hostapd_freq_params *freq, int set_chan);
226 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
227 int ifindex, int disabled);
228
229 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
230 int reset_mode);
231
232 static int i802_set_iface_flags(struct i802_bss *bss, int up);
233 static int nl80211_set_param(void *priv, const char *param);
234 #ifdef CONFIG_MESH
235 static int nl80211_put_mesh_config(struct nl_msg *msg,
236 struct wpa_driver_mesh_bss_params *params);
237 #endif /* CONFIG_MESH */
238 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
239 u16 reason);
240
241
242 /* Converts nl80211_chan_width to a common format */
243 enum chan_width convert2width(int width)
244 {
245 switch (width) {
246 case NL80211_CHAN_WIDTH_20_NOHT:
247 return CHAN_WIDTH_20_NOHT;
248 case NL80211_CHAN_WIDTH_20:
249 return CHAN_WIDTH_20;
250 case NL80211_CHAN_WIDTH_40:
251 return CHAN_WIDTH_40;
252 case NL80211_CHAN_WIDTH_80:
253 return CHAN_WIDTH_80;
254 case NL80211_CHAN_WIDTH_80P80:
255 return CHAN_WIDTH_80P80;
256 case NL80211_CHAN_WIDTH_160:
257 return CHAN_WIDTH_160;
258 }
259 return CHAN_WIDTH_UNKNOWN;
260 }
261
262
263 int is_ap_interface(enum nl80211_iftype nlmode)
264 {
265 return nlmode == NL80211_IFTYPE_AP ||
266 nlmode == NL80211_IFTYPE_P2P_GO;
267 }
268
269
270 int is_sta_interface(enum nl80211_iftype nlmode)
271 {
272 return nlmode == NL80211_IFTYPE_STATION ||
273 nlmode == NL80211_IFTYPE_P2P_CLIENT;
274 }
275
276
277 static int is_p2p_net_interface(enum nl80211_iftype nlmode)
278 {
279 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
280 nlmode == NL80211_IFTYPE_P2P_GO;
281 }
282
283
284 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
285 int ifindex)
286 {
287 struct i802_bss *bss;
288
289 for (bss = drv->first_bss; bss; bss = bss->next) {
290 if (bss->ifindex == ifindex)
291 return bss;
292 }
293
294 return NULL;
295 }
296
297
298 static int is_mesh_interface(enum nl80211_iftype nlmode)
299 {
300 return nlmode == NL80211_IFTYPE_MESH_POINT;
301 }
302
303
304 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
305 {
306 if (drv->associated)
307 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
308 drv->associated = 0;
309 os_memset(drv->bssid, 0, ETH_ALEN);
310 drv->first_bss->freq = 0;
311 }
312
313
314 /* nl80211 code */
315 static int ack_handler(struct nl_msg *msg, void *arg)
316 {
317 int *err = arg;
318 *err = 0;
319 return NL_STOP;
320 }
321
322 static int finish_handler(struct nl_msg *msg, void *arg)
323 {
324 int *ret = arg;
325 *ret = 0;
326 return NL_SKIP;
327 }
328
329 static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
330 void *arg)
331 {
332 struct nlmsghdr *nlh = (struct nlmsghdr *) err - 1;
333 int len = nlh->nlmsg_len;
334 struct nlattr *attrs;
335 struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
336 int *ret = arg;
337 int ack_len = sizeof(*nlh) + sizeof(int) + sizeof(*nlh);
338
339 *ret = err->error;
340
341 if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS))
342 return NL_SKIP;
343
344 if (!(nlh->nlmsg_flags & NLM_F_CAPPED))
345 ack_len += err->msg.nlmsg_len - sizeof(*nlh);
346
347 if (len <= ack_len)
348 return NL_STOP;
349
350 attrs = (void *) ((unsigned char *) nlh + ack_len);
351 len -= ack_len;
352
353 nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, len, NULL);
354 if (tb[NLMSGERR_ATTR_MSG]) {
355 len = strnlen((char *) nla_data(tb[NLMSGERR_ATTR_MSG]),
356 nla_len(tb[NLMSGERR_ATTR_MSG]));
357 wpa_printf(MSG_ERROR, "nl80211: kernel reports: %*s",
358 len, (char *) nla_data(tb[NLMSGERR_ATTR_MSG]));
359 }
360
361 return NL_SKIP;
362 }
363
364
365 static int no_seq_check(struct nl_msg *msg, void *arg)
366 {
367 return NL_OK;
368 }
369
370
371 static void nl80211_nlmsg_clear(struct nl_msg *msg)
372 {
373 /*
374 * Clear nlmsg data, e.g., to make sure key material is not left in
375 * heap memory for unnecessarily long time.
376 */
377 if (msg) {
378 struct nlmsghdr *hdr = nlmsg_hdr(msg);
379 void *data = nlmsg_data(hdr);
380 /*
381 * This would use nlmsg_datalen() or the older nlmsg_len() if
382 * only libnl were to maintain a stable API.. Neither will work
383 * with all released versions, so just calculate the length
384 * here.
385 */
386 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
387
388 os_memset(data, 0, len);
389 }
390 }
391
392
393 static int send_and_recv(struct nl80211_global *global,
394 struct nl_handle *nl_handle, struct nl_msg *msg,
395 int (*valid_handler)(struct nl_msg *, void *),
396 void *valid_data)
397 {
398 struct nl_cb *cb;
399 int err = -ENOMEM, opt;
400
401 if (!msg)
402 return -ENOMEM;
403
404 cb = nl_cb_clone(global->nl_cb);
405 if (!cb)
406 goto out;
407
408 /* try to set NETLINK_EXT_ACK to 1, ignoring errors */
409 opt = 1;
410 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
411 NETLINK_EXT_ACK, &opt, sizeof(opt));
412
413 /* try to set NETLINK_CAP_ACK to 1, ignoring errors */
414 opt = 1;
415 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
416 NETLINK_CAP_ACK, &opt, sizeof(opt));
417
418 err = nl_send_auto_complete(nl_handle, msg);
419 if (err < 0)
420 goto out;
421
422 err = 1;
423
424 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
425 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
426 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
427
428 if (valid_handler)
429 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
430 valid_handler, valid_data);
431
432 while (err > 0) {
433 int res = nl_recvmsgs(nl_handle, cb);
434 if (res < 0) {
435 wpa_printf(MSG_INFO,
436 "nl80211: %s->nl_recvmsgs failed: %d",
437 __func__, res);
438 }
439 }
440 out:
441 nl_cb_put(cb);
442 if (!valid_handler && valid_data == (void *) -1)
443 nl80211_nlmsg_clear(msg);
444 nlmsg_free(msg);
445 return err;
446 }
447
448
449 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
450 struct nl_msg *msg,
451 int (*valid_handler)(struct nl_msg *, void *),
452 void *valid_data)
453 {
454 return send_and_recv(drv->global, drv->global->nl, msg,
455 valid_handler, valid_data);
456 }
457
458
459 struct family_data {
460 const char *group;
461 int id;
462 };
463
464
465 static int family_handler(struct nl_msg *msg, void *arg)
466 {
467 struct family_data *res = arg;
468 struct nlattr *tb[CTRL_ATTR_MAX + 1];
469 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
470 struct nlattr *mcgrp;
471 int i;
472
473 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
474 genlmsg_attrlen(gnlh, 0), NULL);
475 if (!tb[CTRL_ATTR_MCAST_GROUPS])
476 return NL_SKIP;
477
478 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
479 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
480 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
481 nla_len(mcgrp), NULL);
482 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
483 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
484 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
485 res->group,
486 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
487 continue;
488 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
489 break;
490 };
491
492 return NL_SKIP;
493 }
494
495
496 static int nl_get_multicast_id(struct nl80211_global *global,
497 const char *family, const char *group)
498 {
499 struct nl_msg *msg;
500 int ret;
501 struct family_data res = { group, -ENOENT };
502
503 msg = nlmsg_alloc();
504 if (!msg)
505 return -ENOMEM;
506 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
507 0, 0, CTRL_CMD_GETFAMILY, 0) ||
508 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
509 nlmsg_free(msg);
510 return -1;
511 }
512
513 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
514 if (ret == 0)
515 ret = res.id;
516 return ret;
517 }
518
519
520 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
521 struct nl_msg *msg, int flags, uint8_t cmd)
522 {
523 if (TEST_FAIL())
524 return NULL;
525 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
526 0, flags, cmd, 0);
527 }
528
529
530 static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
531 {
532 if (bss->wdev_id_set)
533 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
534 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
535 }
536
537
538 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
539 {
540 struct nl_msg *msg;
541
542 msg = nlmsg_alloc();
543 if (!msg)
544 return NULL;
545
546 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
547 nl80211_set_iface_id(msg, bss) < 0) {
548 nlmsg_free(msg);
549 return NULL;
550 }
551
552 return msg;
553 }
554
555
556 static struct nl_msg *
557 nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
558 int flags, uint8_t cmd)
559 {
560 struct nl_msg *msg;
561
562 msg = nlmsg_alloc();
563 if (!msg)
564 return NULL;
565
566 if (!nl80211_cmd(drv, msg, flags, cmd) ||
567 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
568 nlmsg_free(msg);
569 return NULL;
570 }
571
572 return msg;
573 }
574
575
576 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
577 uint8_t cmd)
578 {
579 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
580 }
581
582
583 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
584 {
585 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
586 }
587
588
589 struct wiphy_idx_data {
590 int wiphy_idx;
591 enum nl80211_iftype nlmode;
592 u8 *macaddr;
593 };
594
595
596 static int netdev_info_handler(struct nl_msg *msg, void *arg)
597 {
598 struct nlattr *tb[NL80211_ATTR_MAX + 1];
599 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
600 struct wiphy_idx_data *info = arg;
601
602 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
603 genlmsg_attrlen(gnlh, 0), NULL);
604
605 if (tb[NL80211_ATTR_WIPHY])
606 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
607
608 if (tb[NL80211_ATTR_IFTYPE])
609 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
610
611 if (tb[NL80211_ATTR_MAC] && info->macaddr)
612 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
613 ETH_ALEN);
614
615 return NL_SKIP;
616 }
617
618
619 int nl80211_get_wiphy_index(struct i802_bss *bss)
620 {
621 struct nl_msg *msg;
622 struct wiphy_idx_data data = {
623 .wiphy_idx = -1,
624 .macaddr = NULL,
625 };
626
627 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
628 return -1;
629
630 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
631 return data.wiphy_idx;
632 return -1;
633 }
634
635
636 static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
637 {
638 struct nl_msg *msg;
639 struct wiphy_idx_data data = {
640 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
641 .macaddr = NULL,
642 };
643
644 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
645 return NL80211_IFTYPE_UNSPECIFIED;
646
647 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
648 return data.nlmode;
649 return NL80211_IFTYPE_UNSPECIFIED;
650 }
651
652
653 static int nl80211_get_macaddr(struct i802_bss *bss)
654 {
655 struct nl_msg *msg;
656 struct wiphy_idx_data data = {
657 .macaddr = bss->addr,
658 };
659
660 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
661 return -1;
662
663 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
664 }
665
666
667 static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
668 struct nl80211_wiphy_data *w)
669 {
670 struct nl_msg *msg;
671 int ret;
672
673 msg = nlmsg_alloc();
674 if (!msg)
675 return -1;
676
677 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
678 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
679 nlmsg_free(msg);
680 return -1;
681 }
682
683 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
684 if (ret) {
685 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
686 "failed: ret=%d (%s)",
687 ret, strerror(-ret));
688 }
689 return ret;
690 }
691
692
693 static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
694 {
695 struct nl80211_wiphy_data *w = eloop_ctx;
696 int res;
697
698 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
699
700 res = nl_recvmsgs(handle, w->nl_cb);
701 if (res < 0) {
702 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
703 __func__, res);
704 }
705 }
706
707
708 static int process_beacon_event(struct nl_msg *msg, void *arg)
709 {
710 struct nl80211_wiphy_data *w = arg;
711 struct wpa_driver_nl80211_data *drv;
712 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
713 struct nlattr *tb[NL80211_ATTR_MAX + 1];
714 union wpa_event_data event;
715
716 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
717 genlmsg_attrlen(gnlh, 0), NULL);
718
719 if (gnlh->cmd != NL80211_CMD_FRAME) {
720 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
721 gnlh->cmd);
722 return NL_SKIP;
723 }
724
725 if (!tb[NL80211_ATTR_FRAME])
726 return NL_SKIP;
727
728 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
729 wiphy_list) {
730 os_memset(&event, 0, sizeof(event));
731 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
732 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
733 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
734 }
735
736 return NL_SKIP;
737 }
738
739
740 static struct nl80211_wiphy_data *
741 nl80211_get_wiphy_data_ap(struct i802_bss *bss)
742 {
743 static DEFINE_DL_LIST(nl80211_wiphys);
744 struct nl80211_wiphy_data *w;
745 int wiphy_idx, found = 0;
746 struct i802_bss *tmp_bss;
747 u8 channel;
748
749 if (bss->wiphy_data != NULL)
750 return bss->wiphy_data;
751
752 wiphy_idx = nl80211_get_wiphy_index(bss);
753
754 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
755 if (w->wiphy_idx == wiphy_idx)
756 goto add;
757 }
758
759 /* alloc new one */
760 w = os_zalloc(sizeof(*w));
761 if (w == NULL)
762 return NULL;
763 w->wiphy_idx = wiphy_idx;
764 dl_list_init(&w->bsss);
765 dl_list_init(&w->drvs);
766
767 /* Beacon frames not supported in IEEE 802.11ad */
768 if (ieee80211_freq_to_chan(bss->freq, &channel) !=
769 HOSTAPD_MODE_IEEE80211AD) {
770 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
771 if (!w->nl_cb) {
772 os_free(w);
773 return NULL;
774 }
775 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
776 no_seq_check, NULL);
777 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
778 process_beacon_event, w);
779
780 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
781 "wiphy beacons");
782 if (w->nl_beacons == NULL) {
783 os_free(w);
784 return NULL;
785 }
786
787 if (nl80211_register_beacons(bss->drv, w)) {
788 nl_destroy_handles(&w->nl_beacons);
789 os_free(w);
790 return NULL;
791 }
792
793 nl80211_register_eloop_read(&w->nl_beacons,
794 nl80211_recv_beacons, w, 0);
795 }
796
797 dl_list_add(&nl80211_wiphys, &w->list);
798
799 add:
800 /* drv entry for this bss already there? */
801 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
802 if (tmp_bss->drv == bss->drv) {
803 found = 1;
804 break;
805 }
806 }
807 /* if not add it */
808 if (!found)
809 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
810
811 dl_list_add(&w->bsss, &bss->wiphy_list);
812 bss->wiphy_data = w;
813 return w;
814 }
815
816
817 static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
818 {
819 struct nl80211_wiphy_data *w = bss->wiphy_data;
820 struct i802_bss *tmp_bss;
821 int found = 0;
822
823 if (w == NULL)
824 return;
825 bss->wiphy_data = NULL;
826 dl_list_del(&bss->wiphy_list);
827
828 /* still any for this drv present? */
829 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
830 if (tmp_bss->drv == bss->drv) {
831 found = 1;
832 break;
833 }
834 }
835 /* if not remove it */
836 if (!found)
837 dl_list_del(&bss->drv->wiphy_list);
838
839 if (!dl_list_empty(&w->bsss))
840 return;
841
842 if (w->nl_beacons)
843 nl80211_destroy_eloop_handle(&w->nl_beacons, 0);
844
845 nl_cb_put(w->nl_cb);
846 dl_list_del(&w->list);
847 os_free(w);
848 }
849
850
851 static unsigned int nl80211_get_ifindex(void *priv)
852 {
853 struct i802_bss *bss = priv;
854 struct wpa_driver_nl80211_data *drv = bss->drv;
855
856 return drv->ifindex;
857 }
858
859
860 static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
861 {
862 struct i802_bss *bss = priv;
863 struct wpa_driver_nl80211_data *drv = bss->drv;
864 if (!drv->associated)
865 return -1;
866 os_memcpy(bssid, drv->bssid, ETH_ALEN);
867 return 0;
868 }
869
870
871 static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
872 {
873 struct i802_bss *bss = priv;
874 struct wpa_driver_nl80211_data *drv = bss->drv;
875 if (!drv->associated)
876 return -1;
877 os_memcpy(ssid, drv->ssid, drv->ssid_len);
878 return drv->ssid_len;
879 }
880
881
882 static void wpa_driver_nl80211_event_newlink(
883 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
884 int ifindex, const char *ifname)
885 {
886 union wpa_event_data event;
887
888 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
889 if (if_nametoindex(drv->first_bss->ifname) == 0) {
890 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
891 drv->first_bss->ifname);
892 return;
893 }
894 if (!drv->if_removed)
895 return;
896 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
897 drv->first_bss->ifname);
898 drv->if_removed = 0;
899 }
900
901 os_memset(&event, 0, sizeof(event));
902 event.interface_status.ifindex = ifindex;
903 os_strlcpy(event.interface_status.ifname, ifname,
904 sizeof(event.interface_status.ifname));
905 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
906 if (drv)
907 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
908 else
909 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
910 &event);
911 }
912
913
914 static void wpa_driver_nl80211_event_dellink(
915 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
916 int ifindex, const char *ifname)
917 {
918 union wpa_event_data event;
919
920 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
921 if (drv->if_removed) {
922 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
923 ifname);
924 return;
925 }
926 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
927 ifname);
928 drv->if_removed = 1;
929 } else {
930 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
931 ifname);
932 }
933
934 os_memset(&event, 0, sizeof(event));
935 event.interface_status.ifindex = ifindex;
936 os_strlcpy(event.interface_status.ifname, ifname,
937 sizeof(event.interface_status.ifname));
938 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
939 if (drv)
940 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
941 else
942 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
943 &event);
944 }
945
946
947 static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
948 u8 *buf, size_t len)
949 {
950 int attrlen, rta_len;
951 struct rtattr *attr;
952
953 attrlen = len;
954 attr = (struct rtattr *) buf;
955
956 rta_len = RTA_ALIGN(sizeof(struct rtattr));
957 while (RTA_OK(attr, attrlen)) {
958 if (attr->rta_type == IFLA_IFNAME) {
959 if (os_strcmp(((char *) attr) + rta_len,
960 drv->first_bss->ifname) == 0)
961 return 1;
962 else
963 break;
964 }
965 attr = RTA_NEXT(attr, attrlen);
966 }
967
968 return 0;
969 }
970
971
972 static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
973 int ifindex, u8 *buf, size_t len)
974 {
975 if (drv->ifindex == ifindex)
976 return 1;
977
978 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
979 nl80211_check_global(drv->global);
980 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
981 "interface");
982 if (wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL) < 0)
983 return -1;
984 return 1;
985 }
986
987 return 0;
988 }
989
990
991 static struct wpa_driver_nl80211_data *
992 nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len,
993 int *init_failed)
994 {
995 struct wpa_driver_nl80211_data *drv;
996 int res;
997
998 if (init_failed)
999 *init_failed = 0;
1000 dl_list_for_each(drv, &global->interfaces,
1001 struct wpa_driver_nl80211_data, list) {
1002 res = wpa_driver_nl80211_own_ifindex(drv, idx, buf, len);
1003 if (res < 0) {
1004 wpa_printf(MSG_DEBUG,
1005 "nl80211: Found matching own interface, but failed to complete reinitialization");
1006 if (init_failed)
1007 *init_failed = 1;
1008 return drv;
1009 }
1010 if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY))
1011 return drv;
1012 }
1013 return NULL;
1014 }
1015
1016
1017 static void nl80211_refresh_mac(struct wpa_driver_nl80211_data *drv,
1018 int ifindex, int notify)
1019 {
1020 struct i802_bss *bss;
1021 u8 addr[ETH_ALEN];
1022
1023 bss = get_bss_ifindex(drv, ifindex);
1024 if (bss &&
1025 linux_get_ifhwaddr(drv->global->ioctl_sock,
1026 bss->ifname, addr) < 0) {
1027 wpa_printf(MSG_DEBUG,
1028 "nl80211: %s: failed to re-read MAC address",
1029 bss->ifname);
1030 } else if (bss && os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1031 wpa_printf(MSG_DEBUG,
1032 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1033 MACSTR " to " MACSTR,
1034 ifindex, bss->ifname,
1035 MAC2STR(bss->addr), MAC2STR(addr));
1036 os_memcpy(bss->addr, addr, ETH_ALEN);
1037 if (notify)
1038 wpa_supplicant_event(drv->ctx,
1039 EVENT_INTERFACE_MAC_CHANGED, NULL);
1040 }
1041 }
1042
1043
1044 static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1045 struct ifinfomsg *ifi,
1046 u8 *buf, size_t len)
1047 {
1048 struct nl80211_global *global = ctx;
1049 struct wpa_driver_nl80211_data *drv;
1050 int attrlen;
1051 struct rtattr *attr;
1052 u32 brid = 0;
1053 char namebuf[IFNAMSIZ];
1054 char ifname[IFNAMSIZ + 1];
1055 char extra[100], *pos, *end;
1056 int init_failed;
1057
1058 extra[0] = '\0';
1059 pos = extra;
1060 end = pos + sizeof(extra);
1061 ifname[0] = '\0';
1062
1063 attrlen = len;
1064 attr = (struct rtattr *) buf;
1065 while (RTA_OK(attr, attrlen)) {
1066 switch (attr->rta_type) {
1067 case IFLA_IFNAME:
1068 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1069 break;
1070 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1071 ifname[RTA_PAYLOAD(attr)] = '\0';
1072 break;
1073 case IFLA_MASTER:
1074 brid = nla_get_u32((struct nlattr *) attr);
1075 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1076 break;
1077 case IFLA_WIRELESS:
1078 pos += os_snprintf(pos, end - pos, " wext");
1079 break;
1080 case IFLA_OPERSTATE:
1081 pos += os_snprintf(pos, end - pos, " operstate=%u",
1082 nla_get_u32((struct nlattr *) attr));
1083 break;
1084 case IFLA_LINKMODE:
1085 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1086 nla_get_u32((struct nlattr *) attr));
1087 break;
1088 }
1089 attr = RTA_NEXT(attr, attrlen);
1090 }
1091 extra[sizeof(extra) - 1] = '\0';
1092
1093 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1094 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1095 ifi->ifi_flags,
1096 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1097 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1098 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1099 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1100
1101 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, &init_failed);
1102 if (!drv)
1103 goto event_newlink;
1104 if (init_failed)
1105 return; /* do not update interface state */
1106
1107 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
1108 namebuf[0] = '\0';
1109 if (if_indextoname(ifi->ifi_index, namebuf) &&
1110 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
1111 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1112 "event since interface %s is up", namebuf);
1113 drv->ignore_if_down_event = 0;
1114 /* Re-read MAC address as it may have changed */
1115 nl80211_refresh_mac(drv, ifi->ifi_index, 1);
1116 return;
1117 }
1118 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
1119 namebuf, ifname);
1120 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1121 wpa_printf(MSG_DEBUG,
1122 "nl80211: Not the main interface (%s) - do not indicate interface down",
1123 drv->first_bss->ifname);
1124 } else if (drv->ignore_if_down_event) {
1125 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1126 "event generated by mode change");
1127 drv->ignore_if_down_event = 0;
1128 } else {
1129 drv->if_disabled = 1;
1130 wpa_supplicant_event(drv->ctx,
1131 EVENT_INTERFACE_DISABLED, NULL);
1132
1133 /*
1134 * Try to get drv again, since it may be removed as
1135 * part of the EVENT_INTERFACE_DISABLED handling for
1136 * dynamic interfaces
1137 */
1138 drv = nl80211_find_drv(global, ifi->ifi_index,
1139 buf, len, NULL);
1140 if (!drv)
1141 return;
1142 }
1143 }
1144
1145 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
1146 namebuf[0] = '\0';
1147 if (if_indextoname(ifi->ifi_index, namebuf) &&
1148 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
1149 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1150 "event since interface %s is down",
1151 namebuf);
1152 return;
1153 }
1154 wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)",
1155 namebuf, ifname);
1156 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1157 wpa_printf(MSG_DEBUG,
1158 "nl80211: Not the main interface (%s) - do not indicate interface up",
1159 drv->first_bss->ifname);
1160 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
1161 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1162 "event since interface %s does not exist",
1163 drv->first_bss->ifname);
1164 } else if (drv->if_removed) {
1165 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1166 "event since interface %s is marked "
1167 "removed", drv->first_bss->ifname);
1168 } else {
1169 /* Re-read MAC address as it may have changed */
1170 nl80211_refresh_mac(drv, ifi->ifi_index, 0);
1171
1172 drv->if_disabled = 0;
1173 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1174 NULL);
1175 }
1176 }
1177
1178 /*
1179 * Some drivers send the association event before the operup event--in
1180 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1181 * fails. This will hit us when wpa_supplicant does not need to do
1182 * IEEE 802.1X authentication
1183 */
1184 if (drv->operstate == 1 &&
1185 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1186 !(ifi->ifi_flags & IFF_RUNNING)) {
1187 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
1188 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
1189 -1, IF_OPER_UP);
1190 }
1191
1192 event_newlink:
1193 if (ifname[0])
1194 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1195 ifname);
1196
1197 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1198 struct i802_bss *bss;
1199
1200 /* device has been added to bridge */
1201 if (!if_indextoname(brid, namebuf)) {
1202 wpa_printf(MSG_DEBUG,
1203 "nl80211: Could not find bridge ifname for ifindex %u",
1204 brid);
1205 return;
1206 }
1207 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1208 brid, namebuf);
1209 add_ifidx(drv, brid, ifi->ifi_index);
1210
1211 for (bss = drv->first_bss; bss; bss = bss->next) {
1212 if (os_strcmp(ifname, bss->ifname) == 0) {
1213 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1214 break;
1215 }
1216 }
1217 }
1218 }
1219
1220
1221 static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1222 struct ifinfomsg *ifi,
1223 u8 *buf, size_t len)
1224 {
1225 struct nl80211_global *global = ctx;
1226 struct wpa_driver_nl80211_data *drv;
1227 int attrlen;
1228 struct rtattr *attr;
1229 u32 brid = 0;
1230 char ifname[IFNAMSIZ + 1];
1231 char extra[100], *pos, *end;
1232
1233 extra[0] = '\0';
1234 pos = extra;
1235 end = pos + sizeof(extra);
1236 ifname[0] = '\0';
1237
1238 attrlen = len;
1239 attr = (struct rtattr *) buf;
1240 while (RTA_OK(attr, attrlen)) {
1241 switch (attr->rta_type) {
1242 case IFLA_IFNAME:
1243 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1244 break;
1245 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1246 ifname[RTA_PAYLOAD(attr)] = '\0';
1247 break;
1248 case IFLA_MASTER:
1249 brid = nla_get_u32((struct nlattr *) attr);
1250 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1251 break;
1252 case IFLA_OPERSTATE:
1253 pos += os_snprintf(pos, end - pos, " operstate=%u",
1254 nla_get_u32((struct nlattr *) attr));
1255 break;
1256 case IFLA_LINKMODE:
1257 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1258 nla_get_u32((struct nlattr *) attr));
1259 break;
1260 }
1261 attr = RTA_NEXT(attr, attrlen);
1262 }
1263 extra[sizeof(extra) - 1] = '\0';
1264
1265 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1266 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1267 ifi->ifi_flags,
1268 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1269 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1270 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1271 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1272
1273 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, NULL);
1274
1275 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1276 /* device has been removed from bridge */
1277 char namebuf[IFNAMSIZ];
1278
1279 if (!if_indextoname(brid, namebuf)) {
1280 wpa_printf(MSG_DEBUG,
1281 "nl80211: Could not find bridge ifname for ifindex %u",
1282 brid);
1283 } else {
1284 wpa_printf(MSG_DEBUG,
1285 "nl80211: Remove ifindex %u for bridge %s",
1286 brid, namebuf);
1287 }
1288 del_ifidx(drv, brid, ifi->ifi_index);
1289 }
1290
1291 if (ifi->ifi_family != AF_BRIDGE || !brid)
1292 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1293 ifname);
1294 }
1295
1296
1297 struct nl80211_get_assoc_freq_arg {
1298 struct wpa_driver_nl80211_data *drv;
1299 unsigned int assoc_freq;
1300 unsigned int ibss_freq;
1301 u8 assoc_bssid[ETH_ALEN];
1302 u8 assoc_ssid[SSID_MAX_LEN];
1303 u8 assoc_ssid_len;
1304 };
1305
1306 static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg)
1307 {
1308 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1309 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1310 struct nlattr *bss[NL80211_BSS_MAX + 1];
1311 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
1312 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
1313 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
1314 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
1315 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
1316 };
1317 struct nl80211_get_assoc_freq_arg *ctx = arg;
1318 enum nl80211_bss_status status;
1319
1320 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1321 genlmsg_attrlen(gnlh, 0), NULL);
1322 if (!tb[NL80211_ATTR_BSS] ||
1323 nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
1324 bss_policy) ||
1325 !bss[NL80211_BSS_STATUS])
1326 return NL_SKIP;
1327
1328 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
1329 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1330 bss[NL80211_BSS_FREQUENCY]) {
1331 ctx->assoc_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1332 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
1333 ctx->assoc_freq);
1334 }
1335 if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
1336 bss[NL80211_BSS_FREQUENCY]) {
1337 ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1338 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
1339 ctx->ibss_freq);
1340 }
1341 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1342 bss[NL80211_BSS_BSSID]) {
1343 os_memcpy(ctx->assoc_bssid,
1344 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
1345 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
1346 MACSTR, MAC2STR(ctx->assoc_bssid));
1347 }
1348
1349 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1350 bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
1351 const u8 *ie, *ssid;
1352 size_t ie_len;
1353
1354 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1355 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1356 ssid = get_ie(ie, ie_len, WLAN_EID_SSID);
1357 if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) {
1358 ctx->assoc_ssid_len = ssid[1];
1359 os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]);
1360 }
1361 }
1362
1363 return NL_SKIP;
1364 }
1365
1366
1367 int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid)
1368 {
1369 struct nl_msg *msg;
1370 int ret;
1371 struct nl80211_get_assoc_freq_arg arg;
1372
1373 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1374 os_memset(&arg, 0, sizeof(arg));
1375 arg.drv = drv;
1376 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1377 &arg);
1378 if (ret == 0) {
1379 os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len);
1380 return arg.assoc_ssid_len;
1381 }
1382 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)",
1383 ret, strerror(-ret));
1384 return ret;
1385 }
1386
1387
1388 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1389 {
1390 struct nl_msg *msg;
1391 int ret;
1392 struct nl80211_get_assoc_freq_arg arg;
1393
1394 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1395 os_memset(&arg, 0, sizeof(arg));
1396 arg.drv = drv;
1397 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1398 &arg);
1399 if (ret == 0) {
1400 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1401 arg.ibss_freq : arg.assoc_freq;
1402 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1403 "associated BSS from scan results: %u MHz", freq);
1404 if (freq)
1405 drv->assoc_freq = freq;
1406 return drv->assoc_freq;
1407 }
1408 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1409 "(%s)", ret, strerror(-ret));
1410 return drv->assoc_freq;
1411 }
1412
1413
1414 static int get_link_signal(struct nl_msg *msg, void *arg)
1415 {
1416 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1417 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1418 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1419 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1420 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
1421 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
1422 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
1423 };
1424 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1425 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1426 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1427 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1428 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1429 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1430 };
1431 struct wpa_signal_info *sig_change = arg;
1432
1433 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1434 genlmsg_attrlen(gnlh, 0), NULL);
1435 if (!tb[NL80211_ATTR_STA_INFO] ||
1436 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1437 tb[NL80211_ATTR_STA_INFO], policy))
1438 return NL_SKIP;
1439 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1440 return NL_SKIP;
1441
1442 sig_change->current_signal =
1443 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1444
1445 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1446 sig_change->avg_signal =
1447 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1448 else
1449 sig_change->avg_signal = 0;
1450
1451 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1452 sig_change->avg_beacon_signal =
1453 (s8)
1454 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1455 else
1456 sig_change->avg_beacon_signal = 0;
1457
1458 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1459 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1460 sinfo[NL80211_STA_INFO_TX_BITRATE],
1461 rate_policy)) {
1462 sig_change->current_txrate = 0;
1463 } else {
1464 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1465 sig_change->current_txrate =
1466 nla_get_u16(rinfo[
1467 NL80211_RATE_INFO_BITRATE]) * 100;
1468 }
1469 }
1470 }
1471
1472 return NL_SKIP;
1473 }
1474
1475
1476 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1477 struct wpa_signal_info *sig)
1478 {
1479 struct nl_msg *msg;
1480
1481 sig->current_signal = -WPA_INVALID_NOISE;
1482 sig->current_txrate = 0;
1483
1484 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
1485 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1486 nlmsg_free(msg);
1487 return -ENOBUFS;
1488 }
1489
1490 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
1491 }
1492
1493
1494 static int get_link_noise(struct nl_msg *msg, void *arg)
1495 {
1496 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1497 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1498 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1499 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1500 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1501 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1502 };
1503 struct wpa_signal_info *sig_change = arg;
1504
1505 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1506 genlmsg_attrlen(gnlh, 0), NULL);
1507
1508 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1509 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1510 return NL_SKIP;
1511 }
1512
1513 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1514 tb[NL80211_ATTR_SURVEY_INFO],
1515 survey_policy)) {
1516 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1517 "attributes!");
1518 return NL_SKIP;
1519 }
1520
1521 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1522 return NL_SKIP;
1523
1524 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1525 sig_change->frequency)
1526 return NL_SKIP;
1527
1528 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1529 return NL_SKIP;
1530
1531 sig_change->current_noise =
1532 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1533
1534 return NL_SKIP;
1535 }
1536
1537
1538 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1539 struct wpa_signal_info *sig_change)
1540 {
1541 struct nl_msg *msg;
1542
1543 sig_change->current_noise = WPA_INVALID_NOISE;
1544 sig_change->frequency = drv->assoc_freq;
1545
1546 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
1547 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
1548 }
1549
1550
1551 static int get_channel_info(struct nl_msg *msg, void *arg)
1552 {
1553 struct nlattr *tb[NL80211_ATTR_MAX + 1] = { 0 };
1554 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1555 struct wpa_channel_info *chan_info = arg;
1556
1557 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1558 genlmsg_attrlen(gnlh, 0), NULL);
1559
1560 os_memset(chan_info, 0, sizeof(struct wpa_channel_info));
1561 chan_info->chanwidth = CHAN_WIDTH_UNKNOWN;
1562
1563 if (tb[NL80211_ATTR_WIPHY_FREQ])
1564 chan_info->frequency =
1565 nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1566 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1567 chan_info->chanwidth = convert2width(
1568 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
1569 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1570 enum nl80211_channel_type ct =
1571 nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1572
1573 switch (ct) {
1574 case NL80211_CHAN_HT40MINUS:
1575 chan_info->sec_channel = -1;
1576 break;
1577 case NL80211_CHAN_HT40PLUS:
1578 chan_info->sec_channel = 1;
1579 break;
1580 default:
1581 chan_info->sec_channel = 0;
1582 break;
1583 }
1584 }
1585 if (tb[NL80211_ATTR_CENTER_FREQ1])
1586 chan_info->center_frq1 =
1587 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1588 if (tb[NL80211_ATTR_CENTER_FREQ2])
1589 chan_info->center_frq2 =
1590 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1591
1592 if (chan_info->center_frq2) {
1593 u8 seg1_idx = 0;
1594
1595 if (ieee80211_freq_to_chan(chan_info->center_frq2, &seg1_idx) !=
1596 NUM_HOSTAPD_MODES)
1597 chan_info->seg1_idx = seg1_idx;
1598 }
1599
1600 return NL_SKIP;
1601 }
1602
1603
1604 static int nl80211_channel_info(void *priv, struct wpa_channel_info *ci)
1605 {
1606 struct i802_bss *bss = priv;
1607 struct wpa_driver_nl80211_data *drv = bss->drv;
1608 struct nl_msg *msg;
1609
1610 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
1611 return send_and_recv_msgs(drv, msg, get_channel_info, ci);
1612 }
1613
1614
1615 static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
1616 void *handle)
1617 {
1618 struct nl_cb *cb = eloop_ctx;
1619 int res;
1620
1621 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
1622
1623 res = nl_recvmsgs(handle, cb);
1624 if (res < 0) {
1625 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1626 __func__, res);
1627 }
1628 }
1629
1630
1631 /**
1632 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1633 * @priv: driver_nl80211 private data
1634 * @alpha2_arg: country to which to switch to
1635 * Returns: 0 on success, -1 on failure
1636 *
1637 * This asks nl80211 to set the regulatory domain for given
1638 * country ISO / IEC alpha2.
1639 */
1640 static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1641 {
1642 struct i802_bss *bss = priv;
1643 struct wpa_driver_nl80211_data *drv = bss->drv;
1644 char alpha2[3];
1645 struct nl_msg *msg;
1646
1647 msg = nlmsg_alloc();
1648 if (!msg)
1649 return -ENOMEM;
1650
1651 alpha2[0] = alpha2_arg[0];
1652 alpha2[1] = alpha2_arg[1];
1653 alpha2[2] = '\0';
1654
1655 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1656 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1657 nlmsg_free(msg);
1658 return -EINVAL;
1659 }
1660 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1661 return -EINVAL;
1662 return 0;
1663 }
1664
1665
1666 static int nl80211_get_country(struct nl_msg *msg, void *arg)
1667 {
1668 char *alpha2 = arg;
1669 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1670 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1671
1672 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1673 genlmsg_attrlen(gnlh, 0), NULL);
1674 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1675 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1676 return NL_SKIP;
1677 }
1678 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1679 return NL_SKIP;
1680 }
1681
1682
1683 static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1684 {
1685 struct i802_bss *bss = priv;
1686 struct wpa_driver_nl80211_data *drv = bss->drv;
1687 struct nl_msg *msg;
1688 int ret;
1689
1690 msg = nlmsg_alloc();
1691 if (!msg)
1692 return -ENOMEM;
1693
1694 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1695 alpha2[0] = '\0';
1696 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1697 if (!alpha2[0])
1698 ret = -1;
1699
1700 return ret;
1701 }
1702
1703
1704 static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1705 {
1706 int ret;
1707
1708 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1709 if (global->nl_cb == NULL) {
1710 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1711 "callbacks");
1712 return -1;
1713 }
1714
1715 global->nl = nl_create_handle(global->nl_cb, "nl");
1716 if (global->nl == NULL)
1717 goto err;
1718
1719 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
1720 if (global->nl80211_id < 0) {
1721 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1722 "found");
1723 goto err;
1724 }
1725
1726 global->nl_event = nl_create_handle(global->nl_cb, "event");
1727 if (global->nl_event == NULL)
1728 goto err;
1729
1730 ret = nl_get_multicast_id(global, "nl80211", "scan");
1731 if (ret >= 0)
1732 ret = nl_socket_add_membership(global->nl_event, ret);
1733 if (ret < 0) {
1734 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1735 "membership for scan events: %d (%s)",
1736 ret, strerror(-ret));
1737 goto err;
1738 }
1739
1740 ret = nl_get_multicast_id(global, "nl80211", "mlme");
1741 if (ret >= 0)
1742 ret = nl_socket_add_membership(global->nl_event, ret);
1743 if (ret < 0) {
1744 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1745 "membership for mlme events: %d (%s)",
1746 ret, strerror(-ret));
1747 goto err;
1748 }
1749
1750 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
1751 if (ret >= 0)
1752 ret = nl_socket_add_membership(global->nl_event, ret);
1753 if (ret < 0) {
1754 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1755 "membership for regulatory events: %d (%s)",
1756 ret, strerror(-ret));
1757 /* Continue without regulatory events */
1758 }
1759
1760 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1761 if (ret >= 0)
1762 ret = nl_socket_add_membership(global->nl_event, ret);
1763 if (ret < 0) {
1764 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1765 "membership for vendor events: %d (%s)",
1766 ret, strerror(-ret));
1767 /* Continue without vendor events */
1768 }
1769
1770 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1771 no_seq_check, NULL);
1772 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1773 process_global_event, global);
1774
1775 nl80211_register_eloop_read(&global->nl_event,
1776 wpa_driver_nl80211_event_receive,
1777 global->nl_cb, 0);
1778
1779 return 0;
1780
1781 err:
1782 nl_destroy_handles(&global->nl_event);
1783 nl_destroy_handles(&global->nl);
1784 nl_cb_put(global->nl_cb);
1785 global->nl_cb = NULL;
1786 return -1;
1787 }
1788
1789
1790 static void nl80211_check_global(struct nl80211_global *global)
1791 {
1792 struct nl_handle *handle;
1793 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1794 int ret;
1795 unsigned int i;
1796
1797 /*
1798 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1799 * and all registration having been cleared.
1800 */
1801 handle = (void *) (((intptr_t) global->nl_event) ^
1802 ELOOP_SOCKET_INVALID);
1803
1804 for (i = 0; groups[i]; i++) {
1805 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1806 if (ret >= 0)
1807 ret = nl_socket_add_membership(handle, ret);
1808 if (ret < 0) {
1809 wpa_printf(MSG_INFO,
1810 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1811 groups[i], ret, strerror(-ret));
1812 }
1813 }
1814 }
1815
1816
1817 static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1818 {
1819 struct wpa_driver_nl80211_data *drv = ctx;
1820
1821 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
1822
1823 /*
1824 * rtnetlink ifdown handler will report interfaces other than the P2P
1825 * Device interface as disabled.
1826 */
1827 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1828 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
1829 }
1830
1831
1832 static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1833 {
1834 struct wpa_driver_nl80211_data *drv = ctx;
1835 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
1836 if (i802_set_iface_flags(drv->first_bss, 1)) {
1837 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1838 "after rfkill unblock");
1839 return;
1840 }
1841
1842 if (is_p2p_net_interface(drv->nlmode))
1843 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1844
1845 /*
1846 * rtnetlink ifup handler will report interfaces other than the P2P
1847 * Device interface as enabled.
1848 */
1849 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1850 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
1851 }
1852
1853
1854 static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1855 void *eloop_ctx,
1856 void *handle)
1857 {
1858 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1859 u8 data[2048];
1860 struct msghdr msg;
1861 struct iovec entry;
1862 u8 control[512];
1863 struct cmsghdr *cmsg;
1864 int res, found_ee = 0, found_wifi = 0, acked = 0;
1865 union wpa_event_data event;
1866
1867 memset(&msg, 0, sizeof(msg));
1868 msg.msg_iov = &entry;
1869 msg.msg_iovlen = 1;
1870 entry.iov_base = data;
1871 entry.iov_len = sizeof(data);
1872 msg.msg_control = &control;
1873 msg.msg_controllen = sizeof(control);
1874
1875 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1876 /* if error or not fitting 802.3 header, return */
1877 if (res < 14)
1878 return;
1879
1880 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1881 {
1882 if (cmsg->cmsg_level == SOL_SOCKET &&
1883 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1884 int *ack;
1885
1886 found_wifi = 1;
1887 ack = (void *)CMSG_DATA(cmsg);
1888 acked = *ack;
1889 }
1890
1891 if (cmsg->cmsg_level == SOL_PACKET &&
1892 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1893 struct sock_extended_err *err =
1894 (struct sock_extended_err *)CMSG_DATA(cmsg);
1895
1896 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1897 found_ee = 1;
1898 }
1899 }
1900
1901 if (!found_ee || !found_wifi)
1902 return;
1903
1904 memset(&event, 0, sizeof(event));
1905 event.eapol_tx_status.dst = data;
1906 event.eapol_tx_status.data = data + 14;
1907 event.eapol_tx_status.data_len = res - 14;
1908 event.eapol_tx_status.ack = acked;
1909 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1910 }
1911
1912
1913 static int nl80211_init_bss(struct i802_bss *bss)
1914 {
1915 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1916 if (!bss->nl_cb)
1917 return -1;
1918
1919 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1920 no_seq_check, NULL);
1921 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1922 process_bss_event, bss);
1923
1924 return 0;
1925 }
1926
1927
1928 static void nl80211_destroy_bss(struct i802_bss *bss)
1929 {
1930 nl_cb_put(bss->nl_cb);
1931 bss->nl_cb = NULL;
1932 }
1933
1934
1935 static void
1936 wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1937 {
1938 struct rfkill_config *rcfg;
1939
1940 if (drv->rfkill)
1941 return;
1942
1943 rcfg = os_zalloc(sizeof(*rcfg));
1944 if (!rcfg)
1945 return;
1946
1947 rcfg->ctx = drv;
1948
1949 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1950 * not associated with a netdev, so use the name of some other interface
1951 * sharing the same wiphy as the P2P Device interface.
1952 *
1953 * Note: This is valid, as a P2P Device interface is always dynamically
1954 * created and is created only once another wpa_s interface was added.
1955 */
1956 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1957 struct nl80211_global *global = drv->global;
1958 struct wpa_driver_nl80211_data *tmp1;
1959
1960 dl_list_for_each(tmp1, &global->interfaces,
1961 struct wpa_driver_nl80211_data, list) {
1962 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1963 !tmp1->rfkill)
1964 continue;
1965
1966 wpa_printf(MSG_DEBUG,
1967 "nl80211: Use (%s) to initialize P2P Device rfkill",
1968 tmp1->first_bss->ifname);
1969 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1970 sizeof(rcfg->ifname));
1971 break;
1972 }
1973 } else {
1974 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1975 sizeof(rcfg->ifname));
1976 }
1977
1978 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1979 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1980 drv->rfkill = rfkill_init(rcfg);
1981 if (!drv->rfkill) {
1982 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1983 os_free(rcfg);
1984 }
1985 }
1986
1987
1988 static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1989 void *global_priv, int hostapd,
1990 const u8 *set_addr,
1991 const char *driver_params)
1992 {
1993 struct wpa_driver_nl80211_data *drv;
1994 struct i802_bss *bss;
1995
1996 if (global_priv == NULL)
1997 return NULL;
1998 drv = os_zalloc(sizeof(*drv));
1999 if (drv == NULL)
2000 return NULL;
2001 drv->global = global_priv;
2002 drv->ctx = ctx;
2003 drv->hostapd = !!hostapd;
2004 drv->eapol_sock = -1;
2005
2006 /*
2007 * There is no driver capability flag for this, so assume it is
2008 * supported and disable this on first attempt to use if the driver
2009 * rejects the command due to missing support.
2010 */
2011 drv->set_rekey_offload = 1;
2012
2013 drv->num_if_indices = ARRAY_SIZE(drv->default_if_indices);
2014 drv->if_indices = drv->default_if_indices;
2015
2016 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
2017 if (!drv->first_bss) {
2018 os_free(drv);
2019 return NULL;
2020 }
2021 bss = drv->first_bss;
2022 bss->drv = drv;
2023 bss->ctx = ctx;
2024
2025 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
2026 drv->monitor_ifidx = -1;
2027 drv->monitor_sock = -1;
2028 drv->eapol_tx_sock = -1;
2029 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
2030
2031 if (nl80211_init_bss(bss))
2032 goto failed;
2033
2034 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
2035 goto failed;
2036
2037 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
2038 if (drv->eapol_tx_sock < 0)
2039 goto failed;
2040
2041 if (drv->data_tx_status) {
2042 int enabled = 1;
2043
2044 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
2045 &enabled, sizeof(enabled)) < 0) {
2046 wpa_printf(MSG_DEBUG,
2047 "nl80211: wifi status sockopt failed\n");
2048 drv->data_tx_status = 0;
2049 if (!drv->use_monitor)
2050 drv->capa.flags &=
2051 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
2052 } else {
2053 eloop_register_read_sock(drv->eapol_tx_sock,
2054 wpa_driver_nl80211_handle_eapol_tx_status,
2055 drv, NULL);
2056 }
2057 }
2058
2059 if (drv->global) {
2060 nl80211_check_global(drv->global);
2061 dl_list_add(&drv->global->interfaces, &drv->list);
2062 drv->in_interface_list = 1;
2063 }
2064
2065 return bss;
2066
2067 failed:
2068 wpa_driver_nl80211_deinit(bss);
2069 return NULL;
2070 }
2071
2072
2073 /**
2074 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
2075 * @ctx: context to be used when calling wpa_supplicant functions,
2076 * e.g., wpa_supplicant_event()
2077 * @ifname: interface name, e.g., wlan0
2078 * @global_priv: private driver global data from global_init()
2079 * Returns: Pointer to private data, %NULL on failure
2080 */
2081 static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
2082 void *global_priv)
2083 {
2084 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
2085 NULL);
2086 }
2087
2088
2089 static int nl80211_register_frame(struct i802_bss *bss,
2090 struct nl_handle *nl_handle,
2091 u16 type, const u8 *match, size_t match_len)
2092 {
2093 struct wpa_driver_nl80211_data *drv = bss->drv;
2094 struct nl_msg *msg;
2095 int ret;
2096 char buf[30];
2097
2098 buf[0] = '\0';
2099 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
2100 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
2101 type, fc2str(type), nl_handle, buf);
2102
2103 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
2104 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
2105 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
2106 nlmsg_free(msg);
2107 return -1;
2108 }
2109
2110 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
2111 if (ret) {
2112 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
2113 "failed (type=%u): ret=%d (%s)",
2114 type, ret, strerror(-ret));
2115 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
2116 match, match_len);
2117 }
2118 return ret;
2119 }
2120
2121
2122 static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
2123 {
2124 if (bss->nl_mgmt) {
2125 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
2126 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
2127 return -1;
2128 }
2129
2130 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
2131 if (bss->nl_mgmt == NULL)
2132 return -1;
2133
2134 return 0;
2135 }
2136
2137
2138 static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
2139 {
2140 nl80211_register_eloop_read(&bss->nl_mgmt,
2141 wpa_driver_nl80211_event_receive,
2142 bss->nl_cb, 0);
2143 }
2144
2145
2146 static int nl80211_register_action_frame(struct i802_bss *bss,
2147 const u8 *match, size_t match_len)
2148 {
2149 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
2150 return nl80211_register_frame(bss, bss->nl_mgmt,
2151 type, match, match_len);
2152 }
2153
2154
2155 static int nl80211_init_connect_handle(struct i802_bss *bss)
2156 {
2157 if (bss->nl_connect) {
2158 wpa_printf(MSG_DEBUG,
2159 "nl80211: Connect handle already created (nl_connect=%p)",
2160 bss->nl_connect);
2161 return -1;
2162 }
2163
2164 bss->nl_connect = nl_create_handle(bss->nl_cb, "connect");
2165 if (!bss->nl_connect)
2166 return -1;
2167 nl80211_register_eloop_read(&bss->nl_connect,
2168 wpa_driver_nl80211_event_receive,
2169 bss->nl_cb, 1);
2170 return 0;
2171 }
2172
2173
2174 static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
2175 {
2176 struct wpa_driver_nl80211_data *drv = bss->drv;
2177 int ret = 0;
2178
2179 if (nl80211_alloc_mgmt_handle(bss))
2180 return -1;
2181 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
2182 "handle %p", bss->nl_mgmt);
2183
2184 if (drv->nlmode == NL80211_IFTYPE_ADHOC ||
2185 ((drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
2186 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME))) {
2187 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2188
2189 /* register for any AUTH message */
2190 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
2191 }
2192
2193 #ifdef CONFIG_INTERWORKING
2194 /* QoS Map Configure */
2195 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
2196 ret = -1;
2197 #endif /* CONFIG_INTERWORKING */
2198 #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP)
2199 /* GAS Initial Request */
2200 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
2201 ret = -1;
2202 /* GAS Initial Response */
2203 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
2204 ret = -1;
2205 /* GAS Comeback Request */
2206 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
2207 ret = -1;
2208 /* GAS Comeback Response */
2209 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
2210 ret = -1;
2211 /* Protected GAS Initial Request */
2212 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
2213 ret = -1;
2214 /* Protected GAS Initial Response */
2215 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
2216 ret = -1;
2217 /* Protected GAS Comeback Request */
2218 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
2219 ret = -1;
2220 /* Protected GAS Comeback Response */
2221 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
2222 ret = -1;
2223 #endif /* CONFIG_P2P || CONFIG_INTERWORKING || CONFIG_DPP */
2224 #ifdef CONFIG_P2P
2225 /* P2P Public Action */
2226 if (nl80211_register_action_frame(bss,
2227 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
2228 6) < 0)
2229 ret = -1;
2230 /* P2P Action */
2231 if (nl80211_register_action_frame(bss,
2232 (u8 *) "\x7f\x50\x6f\x9a\x09",
2233 5) < 0)
2234 ret = -1;
2235 #endif /* CONFIG_P2P */
2236 #ifdef CONFIG_DPP
2237 /* DPP Public Action */
2238 if (nl80211_register_action_frame(bss,
2239 (u8 *) "\x04\x09\x50\x6f\x9a\x1a",
2240 6) < 0)
2241 ret = -1;
2242 #endif /* CONFIG_DPP */
2243 #ifdef CONFIG_IEEE80211W
2244 #ifdef CONFIG_OCV
2245 /* SA Query Request */
2246 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x00", 2) < 0)
2247 ret = -1;
2248 #endif /* CONFIG_OCV */
2249 /* SA Query Response */
2250 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
2251 ret = -1;
2252 #endif /* CONFIG_IEEE80211W */
2253 #ifdef CONFIG_TDLS
2254 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
2255 /* TDLS Discovery Response */
2256 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
2257 0)
2258 ret = -1;
2259 }
2260 #endif /* CONFIG_TDLS */
2261 #ifdef CONFIG_FST
2262 /* FST Action frames */
2263 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2264 ret = -1;
2265 #endif /* CONFIG_FST */
2266
2267 /* FT Action frames */
2268 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2269 ret = -1;
2270 else
2271 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
2272 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2273
2274 /* WNM - BSS Transition Management Request */
2275 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
2276 ret = -1;
2277 /* WNM-Sleep Mode Response */
2278 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
2279 ret = -1;
2280 #ifdef CONFIG_WNM
2281 /* WNM - Collocated Interference Request */
2282 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x0b", 2) < 0)
2283 ret = -1;
2284 #endif /* CONFIG_WNM */
2285
2286 #ifdef CONFIG_HS20
2287 /* WNM-Notification */
2288 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
2289 ret = -1;
2290 #endif /* CONFIG_HS20 */
2291
2292 /* WMM-AC ADDTS Response */
2293 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
2294 ret = -1;
2295
2296 /* WMM-AC DELTS */
2297 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
2298 ret = -1;
2299
2300 /* Radio Measurement - Neighbor Report Response */
2301 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
2302 ret = -1;
2303
2304 /* Radio Measurement - Radio Measurement Request */
2305 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2306 ret = -1;
2307
2308 /* Radio Measurement - Link Measurement Request */
2309 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2310 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2311 ret = -1;
2312
2313 nl80211_mgmt_handle_register_eloop(bss);
2314
2315 return ret;
2316 }
2317
2318
2319 static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2320 {
2321 int ret = 0;
2322
2323 if (nl80211_alloc_mgmt_handle(bss))
2324 return -1;
2325
2326 wpa_printf(MSG_DEBUG,
2327 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2328 bss->nl_mgmt);
2329
2330 /* Auth frames for mesh SAE */
2331 if (nl80211_register_frame(bss, bss->nl_mgmt,
2332 (WLAN_FC_TYPE_MGMT << 2) |
2333 (WLAN_FC_STYPE_AUTH << 4),
2334 NULL, 0) < 0)
2335 ret = -1;
2336
2337 /* Mesh peering open */
2338 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2339 ret = -1;
2340 /* Mesh peering confirm */
2341 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2342 ret = -1;
2343 /* Mesh peering close */
2344 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2345 ret = -1;
2346
2347 nl80211_mgmt_handle_register_eloop(bss);
2348
2349 return ret;
2350 }
2351
2352
2353 static int nl80211_register_spurious_class3(struct i802_bss *bss)
2354 {
2355 struct nl_msg *msg;
2356 int ret;
2357
2358 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2359 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
2360 if (ret) {
2361 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2362 "failed: ret=%d (%s)",
2363 ret, strerror(-ret));
2364 }
2365 return ret;
2366 }
2367
2368
2369 static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2370 {
2371 int ret = 0;
2372
2373 /* Public Action frames */
2374 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2375 ret = -1;
2376 /* RRM Measurement Report */
2377 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2378 ret = -1;
2379 /* RRM Link Measurement Report */
2380 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0)
2381 ret = -1;
2382 /* RRM Neighbor Report Request */
2383 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2384 ret = -1;
2385 /* FT Action frames */
2386 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2387 ret = -1;
2388 #ifdef CONFIG_IEEE80211W
2389 /* SA Query */
2390 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2391 ret = -1;
2392 #endif /* CONFIG_IEEE80211W */
2393 /* Protected Dual of Public Action */
2394 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2395 ret = -1;
2396 /* WNM */
2397 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2398 ret = -1;
2399 /* WMM */
2400 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2401 ret = -1;
2402 #ifdef CONFIG_FST
2403 /* FST Action frames */
2404 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2405 ret = -1;
2406 #endif /* CONFIG_FST */
2407 /* Vendor-specific */
2408 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2409 ret = -1;
2410
2411 return ret;
2412 }
2413
2414
2415 static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2416 {
2417 static const int stypes[] = {
2418 WLAN_FC_STYPE_AUTH,
2419 WLAN_FC_STYPE_ASSOC_REQ,
2420 WLAN_FC_STYPE_REASSOC_REQ,
2421 WLAN_FC_STYPE_DISASSOC,
2422 WLAN_FC_STYPE_DEAUTH,
2423 WLAN_FC_STYPE_PROBE_REQ,
2424 /* Beacon doesn't work as mac80211 doesn't currently allow
2425 * it, but it wouldn't really be the right thing anyway as
2426 * it isn't per interface ... maybe just dump the scan
2427 * results periodically for OLBC?
2428 */
2429 /* WLAN_FC_STYPE_BEACON, */
2430 };
2431 unsigned int i;
2432
2433 if (nl80211_alloc_mgmt_handle(bss))
2434 return -1;
2435 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2436 "handle %p", bss->nl_mgmt);
2437
2438 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
2439 if (nl80211_register_frame(bss, bss->nl_mgmt,
2440 (WLAN_FC_TYPE_MGMT << 2) |
2441 (stypes[i] << 4),
2442 NULL, 0) < 0) {
2443 goto out_err;
2444 }
2445 }
2446
2447 if (nl80211_action_subscribe_ap(bss))
2448 goto out_err;
2449
2450 if (nl80211_register_spurious_class3(bss))
2451 goto out_err;
2452
2453 nl80211_mgmt_handle_register_eloop(bss);
2454 return 0;
2455
2456 out_err:
2457 nl_destroy_handles(&bss->nl_mgmt);
2458 return -1;
2459 }
2460
2461
2462 static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2463 {
2464 if (nl80211_alloc_mgmt_handle(bss))
2465 return -1;
2466 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2467 "handle %p (device SME)", bss->nl_mgmt);
2468
2469 if (nl80211_action_subscribe_ap(bss))
2470 goto out_err;
2471
2472 if (bss->drv->device_ap_sme) {
2473 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2474
2475 /* Register for all Authentication frames */
2476 if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0)
2477 < 0)
2478 wpa_printf(MSG_DEBUG,
2479 "nl80211: Failed to subscribe to handle Authentication frames - SAE offload may not work");
2480 }
2481
2482 nl80211_mgmt_handle_register_eloop(bss);
2483 return 0;
2484
2485 out_err:
2486 nl_destroy_handles(&bss->nl_mgmt);
2487 return -1;
2488 }
2489
2490
2491 static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
2492 {
2493 if (bss->nl_mgmt == NULL)
2494 return;
2495 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2496 "(%s)", bss->nl_mgmt, reason);
2497 nl80211_destroy_eloop_handle(&bss->nl_mgmt, 0);
2498
2499 nl80211_put_wiphy_data_ap(bss);
2500 }
2501
2502
2503 static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2504 {
2505 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2506 }
2507
2508
2509 static void nl80211_del_p2pdev(struct i802_bss *bss)
2510 {
2511 struct nl_msg *msg;
2512 int ret;
2513
2514 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2515 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2516
2517 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2518 bss->ifname, (long long unsigned int) bss->wdev_id,
2519 strerror(-ret));
2520 }
2521
2522
2523 static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
2524 {
2525 struct nl_msg *msg;
2526 int ret;
2527
2528 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2529 NL80211_CMD_STOP_P2P_DEVICE);
2530 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2531
2532 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2533 start ? "Start" : "Stop",
2534 bss->ifname, (long long unsigned int) bss->wdev_id,
2535 strerror(-ret));
2536 return ret;
2537 }
2538
2539
2540 static int i802_set_iface_flags(struct i802_bss *bss, int up)
2541 {
2542 enum nl80211_iftype nlmode;
2543
2544 nlmode = nl80211_get_ifmode(bss);
2545 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2546 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2547 bss->ifname, up);
2548 }
2549
2550 /* P2P Device has start/stop which is equivalent */
2551 return nl80211_set_p2pdev(bss, up);
2552 }
2553
2554
2555 #ifdef CONFIG_TESTING_OPTIONS
2556 static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2557 {
2558 /* struct wpa_driver_nl80211_data *drv = arg; */
2559 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2560 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2561
2562
2563 wpa_printf(MSG_DEBUG,
2564 "nl80211: QCA vendor test command response received");
2565
2566 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2567 genlmsg_attrlen(gnlh, 0), NULL);
2568 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2569 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2570 return NL_SKIP;
2571 }
2572
2573 wpa_hexdump(MSG_DEBUG,
2574 "nl80211: Received QCA vendor test command response",
2575 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2576 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2577
2578 return NL_SKIP;
2579 }
2580 #endif /* CONFIG_TESTING_OPTIONS */
2581
2582
2583 static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2584 {
2585 #ifdef CONFIG_TESTING_OPTIONS
2586 struct nl_msg *msg;
2587 struct nlattr *params;
2588 int ret;
2589
2590 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2591 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2592 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2593 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2594 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2595 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2596 nlmsg_free(msg);
2597 return;
2598 }
2599 nla_nest_end(msg, params);
2600
2601 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2602 wpa_printf(MSG_DEBUG,
2603 "nl80211: QCA vendor test command returned %d (%s)",
2604 ret, strerror(-ret));
2605 #endif /* CONFIG_TESTING_OPTIONS */
2606 }
2607
2608
2609 static int
2610 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
2611 const u8 *set_addr, int first,
2612 const char *driver_params)
2613 {
2614 struct i802_bss *bss = drv->first_bss;
2615 int send_rfkill_event = 0;
2616 enum nl80211_iftype nlmode;
2617
2618 drv->ifindex = if_nametoindex(bss->ifname);
2619 bss->ifindex = drv->ifindex;
2620 bss->wdev_id = drv->global->if_add_wdevid;
2621 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2622
2623 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2624 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
2625 drv->global->if_add_wdevid_set = 0;
2626
2627 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2628 bss->static_ap = 1;
2629
2630 if (first &&
2631 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2632 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2633 drv->start_iface_up = 1;
2634
2635 if (wpa_driver_nl80211_capa(drv))
2636 return -1;
2637
2638 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2639 return -1;
2640
2641 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2642 bss->ifname, drv->phyname);
2643
2644 if (set_addr &&
2645 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2646 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2647 set_addr)))
2648 return -1;
2649
2650 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2651 drv->start_mode_ap = 1;
2652
2653 if (drv->hostapd || bss->static_ap)
2654 nlmode = NL80211_IFTYPE_AP;
2655 else if (bss->if_dynamic ||
2656 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
2657 nlmode = nl80211_get_ifmode(bss);
2658 else
2659 nlmode = NL80211_IFTYPE_STATION;
2660
2661 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
2662 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
2663 return -1;
2664 }
2665
2666 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2667 nl80211_get_macaddr(bss);
2668
2669 wpa_driver_nl80211_drv_init_rfkill(drv);
2670
2671 if (!rfkill_is_blocked(drv->rfkill)) {
2672 int ret = i802_set_iface_flags(bss, 1);
2673 if (ret) {
2674 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2675 "interface '%s' UP", bss->ifname);
2676 return ret;
2677 }
2678
2679 if (is_p2p_net_interface(nlmode))
2680 nl80211_disable_11b_rates(bss->drv,
2681 bss->drv->ifindex, 1);
2682
2683 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2684 return ret;
2685 } else {
2686 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2687 "interface '%s' due to rfkill", bss->ifname);
2688 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2689 drv->if_disabled = 1;
2690
2691 send_rfkill_event = 1;
2692 }
2693
2694 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
2695 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2696 1, IF_OPER_DORMANT);
2697
2698 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2699 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2700 bss->addr))
2701 return -1;
2702 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2703 }
2704
2705 if (send_rfkill_event) {
2706 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2707 drv, drv->ctx);
2708 }
2709
2710 if (drv->vendor_cmd_test_avail)
2711 qca_vendor_test(drv);
2712
2713 nl80211_init_connect_handle(bss);
2714
2715 return 0;
2716 }
2717
2718
2719 static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss)
2720 {
2721 struct nl_msg *msg;
2722 struct wpa_driver_nl80211_data *drv = bss->drv;
2723
2724 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2725 drv->ifindex);
2726 nl80211_put_wiphy_data_ap(bss);
2727 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
2728 return send_and_recv_msgs(drv, msg, NULL, NULL);
2729 }
2730
2731
2732 /**
2733 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
2734 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
2735 *
2736 * Shut down driver interface and processing of driver events. Free
2737 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2738 */
2739 static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
2740 {
2741 struct wpa_driver_nl80211_data *drv = bss->drv;
2742 unsigned int i;
2743
2744 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2745 bss->ifname, drv->disabled_11b_rates);
2746
2747 bss->in_deinit = 1;
2748 if (drv->data_tx_status)
2749 eloop_unregister_read_sock(drv->eapol_tx_sock);
2750 if (drv->eapol_tx_sock >= 0)
2751 close(drv->eapol_tx_sock);
2752
2753 if (bss->nl_preq)
2754 wpa_driver_nl80211_probe_req_report(bss, 0);
2755 if (bss->added_if_into_bridge) {
2756 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2757 bss->ifname) < 0)
2758 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2759 "interface %s from bridge %s: %s",
2760 bss->ifname, bss->brname, strerror(errno));
2761 }
2762
2763 if (drv->rtnl_sk)
2764 nl80211_handle_destroy(drv->rtnl_sk);
2765
2766 if (bss->added_bridge) {
2767 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2768 0) < 0)
2769 wpa_printf(MSG_INFO,
2770 "nl80211: Could not set bridge %s down",
2771 bss->brname);
2772 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
2773 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2774 "bridge %s: %s",
2775 bss->brname, strerror(errno));
2776 }
2777
2778 nl80211_remove_monitor_interface(drv);
2779
2780 if (is_ap_interface(drv->nlmode))
2781 wpa_driver_nl80211_del_beacon(bss);
2782
2783 if (drv->eapol_sock >= 0) {
2784 eloop_unregister_read_sock(drv->eapol_sock);
2785 close(drv->eapol_sock);
2786 }
2787
2788 if (drv->if_indices != drv->default_if_indices)
2789 os_free(drv->if_indices);
2790
2791 if (drv->disabled_11b_rates)
2792 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2793
2794 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2795 IF_OPER_UP);
2796 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
2797 rfkill_deinit(drv->rfkill);
2798
2799 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2800
2801 if (!drv->start_iface_up)
2802 (void) i802_set_iface_flags(bss, 0);
2803
2804 if (drv->addr_changed) {
2805 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2806 0) < 0) {
2807 wpa_printf(MSG_DEBUG,
2808 "nl80211: Could not set interface down to restore permanent MAC address");
2809 }
2810 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2811 drv->perm_addr) < 0) {
2812 wpa_printf(MSG_DEBUG,
2813 "nl80211: Could not restore permanent MAC address");
2814 }
2815 }
2816
2817 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2818 if (!drv->hostapd || !drv->start_mode_ap)
2819 wpa_driver_nl80211_set_mode(bss,
2820 NL80211_IFTYPE_STATION);
2821 nl80211_mgmt_unsubscribe(bss, "deinit");
2822 } else {
2823 nl80211_mgmt_unsubscribe(bss, "deinit");
2824 nl80211_del_p2pdev(bss);
2825 }
2826
2827 if (bss->nl_connect)
2828 nl80211_destroy_eloop_handle(&bss->nl_connect, 1);
2829
2830 nl80211_destroy_bss(drv->first_bss);
2831
2832 os_free(drv->filter_ssids);
2833
2834 os_free(drv->auth_ie);
2835
2836 if (drv->in_interface_list)
2837 dl_list_del(&drv->list);
2838
2839 os_free(drv->extended_capa);
2840 os_free(drv->extended_capa_mask);
2841 for (i = 0; i < drv->num_iface_ext_capa; i++) {
2842 os_free(drv->iface_ext_capa[i].ext_capa);
2843 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2844 }
2845 os_free(drv->first_bss);
2846 os_free(drv);
2847 }
2848
2849
2850 static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2851 {
2852 switch (alg) {
2853 case WPA_ALG_WEP:
2854 if (key_len == 5)
2855 return RSN_CIPHER_SUITE_WEP40;
2856 return RSN_CIPHER_SUITE_WEP104;
2857 case WPA_ALG_TKIP:
2858 return RSN_CIPHER_SUITE_TKIP;
2859 case WPA_ALG_CCMP:
2860 return RSN_CIPHER_SUITE_CCMP;
2861 case WPA_ALG_GCMP:
2862 return RSN_CIPHER_SUITE_GCMP;
2863 case WPA_ALG_CCMP_256:
2864 return RSN_CIPHER_SUITE_CCMP_256;
2865 case WPA_ALG_GCMP_256:
2866 return RSN_CIPHER_SUITE_GCMP_256;
2867 case WPA_ALG_IGTK:
2868 return RSN_CIPHER_SUITE_AES_128_CMAC;
2869 case WPA_ALG_BIP_GMAC_128:
2870 return RSN_CIPHER_SUITE_BIP_GMAC_128;
2871 case WPA_ALG_BIP_GMAC_256:
2872 return RSN_CIPHER_SUITE_BIP_GMAC_256;
2873 case WPA_ALG_BIP_CMAC_256:
2874 return RSN_CIPHER_SUITE_BIP_CMAC_256;
2875 case WPA_ALG_SMS4:
2876 return RSN_CIPHER_SUITE_SMS4;
2877 case WPA_ALG_KRK:
2878 return RSN_CIPHER_SUITE_KRK;
2879 case WPA_ALG_NONE:
2880 case WPA_ALG_PMK:
2881 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2882 alg);
2883 return 0;
2884 }
2885
2886 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2887 alg);
2888 return 0;
2889 }
2890
2891
2892 static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2893 {
2894 switch (cipher) {
2895 case WPA_CIPHER_CCMP_256:
2896 return RSN_CIPHER_SUITE_CCMP_256;
2897 case WPA_CIPHER_GCMP_256:
2898 return RSN_CIPHER_SUITE_GCMP_256;
2899 case WPA_CIPHER_CCMP:
2900 return RSN_CIPHER_SUITE_CCMP;
2901 case WPA_CIPHER_GCMP:
2902 return RSN_CIPHER_SUITE_GCMP;
2903 case WPA_CIPHER_TKIP:
2904 return RSN_CIPHER_SUITE_TKIP;
2905 case WPA_CIPHER_WEP104:
2906 return RSN_CIPHER_SUITE_WEP104;
2907 case WPA_CIPHER_WEP40:
2908 return RSN_CIPHER_SUITE_WEP40;
2909 case WPA_CIPHER_GTK_NOT_USED:
2910 return RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED;
2911 }
2912
2913 return 0;
2914 }
2915
2916
2917 static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2918 int max_suites)
2919 {
2920 int num_suites = 0;
2921
2922 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2923 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP_256;
2924 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2925 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP_256;
2926 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2927 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP;
2928 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2929 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP;
2930 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2931 suites[num_suites++] = RSN_CIPHER_SUITE_TKIP;
2932 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2933 suites[num_suites++] = RSN_CIPHER_SUITE_WEP104;
2934 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2935 suites[num_suites++] = RSN_CIPHER_SUITE_WEP40;
2936
2937 return num_suites;
2938 }
2939
2940
2941 #ifdef CONFIG_DRIVER_NL80211_QCA
2942 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2943 const u8 *key, size_t key_len)
2944 {
2945 struct nl_msg *msg;
2946 int ret;
2947
2948 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
2949 return 0;
2950
2951 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2952 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2953 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2954 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2955 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
2956 nl80211_nlmsg_clear(msg);
2957 nlmsg_free(msg);
2958 return -1;
2959 }
2960 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
2961 if (ret) {
2962 wpa_printf(MSG_DEBUG,
2963 "nl80211: Key management set key failed: ret=%d (%s)",
2964 ret, strerror(-ret));
2965 }
2966
2967 return ret;
2968 }
2969 #endif /* CONFIG_DRIVER_NL80211_QCA */
2970
2971
2972 static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv,
2973 const u8 *key, size_t key_len,
2974 const u8 *addr)
2975 {
2976 struct nl_msg *msg = NULL;
2977 int ret;
2978
2979 /*
2980 * If the authenticator address is not set, assume it is
2981 * the current BSSID.
2982 */
2983 if (!addr && drv->associated)
2984 addr = drv->bssid;
2985 else if (!addr)
2986 return -1;
2987
2988 wpa_printf(MSG_DEBUG, "nl80211: Set PMK to the driver for " MACSTR,
2989 MAC2STR(addr));
2990 wpa_hexdump_key(MSG_DEBUG, "nl80211: PMK", key, key_len);
2991 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_PMK);
2992 if (!msg ||
2993 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2994 nla_put(msg, NL80211_ATTR_PMK, key_len, key)) {
2995 nl80211_nlmsg_clear(msg);
2996 nlmsg_free(msg);
2997 return -ENOBUFS;
2998 }
2999
3000 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
3001 if (ret) {
3002 wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)",
3003 ret, strerror(-ret));
3004 }
3005
3006 return ret;
3007 }
3008
3009
3010 static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
3011 enum wpa_alg alg, const u8 *addr,
3012 int key_idx, int set_tx,
3013 const u8 *seq, size_t seq_len,
3014 const u8 *key, size_t key_len)
3015 {
3016 struct wpa_driver_nl80211_data *drv = bss->drv;
3017 int ifindex;
3018 struct nl_msg *msg = NULL;
3019 int ret;
3020 int tdls = 0;
3021
3022 /* Ignore for P2P Device */
3023 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
3024 return 0;
3025
3026 ifindex = if_nametoindex(ifname);
3027 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
3028 "set_tx=%d seq_len=%lu key_len=%lu",
3029 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3030 (unsigned long) seq_len, (unsigned long) key_len);
3031 #ifdef CONFIG_TDLS
3032 if (key_idx == -1) {
3033 key_idx = 0;
3034 tdls = 1;
3035 }
3036 #endif /* CONFIG_TDLS */
3037
3038 #ifdef CONFIG_DRIVER_NL80211_QCA
3039 if (alg == WPA_ALG_PMK &&
3040 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
3041 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
3042 __func__);
3043 ret = issue_key_mgmt_set_key(drv, key, key_len);
3044 return ret;
3045 }
3046 #endif /* CONFIG_DRIVER_NL80211_QCA */
3047
3048 if (alg == WPA_ALG_PMK &&
3049 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
3050 return nl80211_set_pmk(drv, key, key_len, addr);
3051
3052 if (alg == WPA_ALG_NONE) {
3053 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
3054 if (!msg)
3055 return -ENOBUFS;
3056 } else {
3057 u32 suite;
3058
3059 suite = wpa_alg_to_cipher_suite(alg, key_len);
3060 if (!suite)
3061 goto fail;
3062 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
3063 if (!msg ||
3064 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
3065 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
3066 goto fail;
3067 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3068 }
3069
3070 if (seq && seq_len) {
3071 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
3072 goto fail;
3073 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
3074 }
3075
3076 if (addr && !is_broadcast_ether_addr(addr)) {
3077 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
3078 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
3079 goto fail;
3080
3081 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
3082 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
3083 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
3084 NL80211_KEYTYPE_GROUP))
3085 goto fail;
3086 }
3087 } else if (addr && is_broadcast_ether_addr(addr)) {
3088 struct nlattr *types;
3089
3090 wpa_printf(MSG_DEBUG, " broadcast key");
3091
3092 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
3093 if (!types ||
3094 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
3095 goto fail;
3096 nla_nest_end(msg, types);
3097 }
3098 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3099 goto fail;
3100
3101 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
3102 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
3103 ret = 0;
3104 if (ret)
3105 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
3106 ret, strerror(-ret));
3107
3108 /*
3109 * If we failed or don't need to set the default TX key (below),
3110 * we're done here.
3111 */
3112 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
3113 return ret;
3114 if (is_ap_interface(drv->nlmode) && addr &&
3115 !is_broadcast_ether_addr(addr))
3116 return ret;
3117
3118 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
3119 if (!msg ||
3120 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
3121 nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
3122 alg == WPA_ALG_BIP_GMAC_128 ||
3123 alg == WPA_ALG_BIP_GMAC_256 ||
3124 alg == WPA_ALG_BIP_CMAC_256) ?
3125 NL80211_ATTR_KEY_DEFAULT_MGMT :
3126 NL80211_ATTR_KEY_DEFAULT))
3127 goto fail;
3128 if (addr && is_broadcast_ether_addr(addr)) {
3129 struct nlattr *types;
3130
3131 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
3132 if (!types ||
3133 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
3134 goto fail;
3135 nla_nest_end(msg, types);
3136 } else if (addr) {
3137 struct nlattr *types;
3138
3139 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
3140 if (!types ||
3141 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
3142 goto fail;
3143 nla_nest_end(msg, types);
3144 }
3145
3146 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3147 if (ret == -ENOENT)
3148 ret = 0;
3149 if (ret)
3150 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
3151 "err=%d %s)", ret, strerror(-ret));
3152 return ret;
3153
3154 fail:
3155 nl80211_nlmsg_clear(msg);
3156 nlmsg_free(msg);
3157 return -ENOBUFS;
3158 }
3159
3160
3161 static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
3162 int key_idx, int defkey,
3163 const u8 *seq, size_t seq_len,
3164 const u8 *key, size_t key_len)
3165 {
3166 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
3167 u32 suite;
3168
3169 if (!key_attr)
3170 return -1;
3171
3172 suite = wpa_alg_to_cipher_suite(alg, key_len);
3173 if (!suite)
3174 return -1;
3175
3176 if (defkey && alg == WPA_ALG_IGTK) {
3177 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
3178 return -1;
3179 } else if (defkey) {
3180 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
3181 return -1;
3182 }
3183
3184 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
3185 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
3186 (seq && seq_len &&
3187 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
3188 nla_put(msg, NL80211_KEY_DATA, key_len, key))
3189 return -1;
3190
3191 nla_nest_end(msg, key_attr);
3192
3193 return 0;
3194 }
3195
3196
3197 static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
3198 struct nl_msg *msg)
3199 {
3200 int i, privacy = 0;
3201 struct nlattr *nl_keys, *nl_key;
3202
3203 for (i = 0; i < 4; i++) {
3204 if (!params->wep_key[i])
3205 continue;
3206 privacy = 1;
3207 break;
3208 }
3209 if (params->wps == WPS_MODE_PRIVACY)
3210 privacy = 1;
3211 if (params->pairwise_suite &&
3212 params->pairwise_suite != WPA_CIPHER_NONE)
3213 privacy = 1;
3214
3215 if (!privacy)
3216 return 0;
3217
3218 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3219 return -ENOBUFS;
3220
3221 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
3222 if (!nl_keys)
3223 return -ENOBUFS;
3224
3225 for (i = 0; i < 4; i++) {
3226 if (!params->wep_key[i])
3227 continue;
3228
3229 nl_key = nla_nest_start(msg, i);
3230 if (!nl_key ||
3231 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3232 params->wep_key[i]) ||
3233 nla_put_u32(msg, NL80211_KEY_CIPHER,
3234 params->wep_key_len[i] == 5 ?
3235 RSN_CIPHER_SUITE_WEP40 :
3236 RSN_CIPHER_SUITE_WEP104) ||
3237 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3238 (i == params->wep_tx_keyidx &&
3239 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3240 return -ENOBUFS;
3241
3242 nla_nest_end(msg, nl_key);
3243 }
3244 nla_nest_end(msg, nl_keys);
3245
3246 return 0;
3247 }
3248
3249
3250 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3251 const u8 *addr, int cmd, u16 reason_code,
3252 int local_state_change,
3253 struct nl_handle *nl_connect)
3254 {
3255 int ret;
3256 struct nl_msg *msg;
3257
3258 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
3259 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3260 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3261 (local_state_change &&
3262 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3263 nlmsg_free(msg);
3264 return -1;
3265 }
3266
3267 if (nl_connect)
3268 ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL);
3269 else
3270 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3271 if (ret) {
3272 wpa_dbg(drv->ctx, MSG_DEBUG,
3273 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3274 reason_code, ret, strerror(-ret));
3275 }
3276 return ret;
3277 }
3278
3279
3280 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
3281 u16 reason_code,
3282 struct nl_handle *nl_connect)
3283 {
3284 int ret;
3285 int drv_associated = drv->associated;
3286
3287 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
3288 nl80211_mark_disconnected(drv);
3289 /* Disconnect command doesn't need BSSID - it uses cached value */
3290 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
3291 reason_code, 0, nl_connect);
3292 /*
3293 * For locally generated disconnect, supplicant already generates a
3294 * DEAUTH event, so ignore the event from NL80211.
3295 */
3296 drv->ignore_next_local_disconnect = drv_associated && (ret == 0);
3297
3298 return ret;
3299 }
3300
3301
3302 static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
3303 const u8 *addr, u16 reason_code)
3304 {
3305 struct wpa_driver_nl80211_data *drv = bss->drv;
3306 int ret;
3307 int drv_associated = drv->associated;
3308
3309 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3310 nl80211_mark_disconnected(drv);
3311 return nl80211_leave_ibss(drv, 1);
3312 }
3313 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
3314 struct nl_handle *nl_connect = NULL;
3315
3316 if (bss->use_nl_connect)
3317 nl_connect = bss->nl_connect;
3318 return wpa_driver_nl80211_disconnect(drv, reason_code,
3319 nl_connect);
3320 }
3321 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3322 __func__, MAC2STR(addr), reason_code);
3323 nl80211_mark_disconnected(drv);
3324 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
3325 reason_code, 0, NULL);
3326 /*
3327 * For locally generated deauthenticate, supplicant already generates a
3328 * DEAUTH event, so ignore the event from NL80211.
3329 */
3330 drv->ignore_next_local_deauth = drv_associated && (ret == 0);
3331
3332 return ret;
3333 }
3334
3335
3336 static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3337 struct wpa_driver_auth_params *params)
3338 {
3339 int i;
3340
3341 drv->auth_freq = params->freq;
3342 drv->auth_alg = params->auth_alg;
3343 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3344 drv->auth_local_state_change = params->local_state_change;
3345 drv->auth_p2p = params->p2p;
3346
3347 if (params->bssid)
3348 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3349 else
3350 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3351
3352 if (params->ssid) {
3353 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3354 drv->auth_ssid_len = params->ssid_len;
3355 } else
3356 drv->auth_ssid_len = 0;
3357
3358
3359 os_free(drv->auth_ie);
3360 drv->auth_ie = NULL;
3361 drv->auth_ie_len = 0;
3362 if (params->ie) {
3363 drv->auth_ie = os_malloc(params->ie_len);
3364 if (drv->auth_ie) {
3365 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3366 drv->auth_ie_len = params->ie_len;
3367 }
3368 }
3369
3370 for (i = 0; i < 4; i++) {
3371 if (params->wep_key[i] && params->wep_key_len[i] &&
3372 params->wep_key_len[i] <= 16) {
3373 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3374 params->wep_key_len[i]);
3375 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3376 } else
3377 drv->auth_wep_key_len[i] = 0;
3378 }
3379 }
3380
3381
3382 static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3383 {
3384 struct wpa_driver_nl80211_data *drv = bss->drv;
3385
3386 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3387 return;
3388
3389 /*
3390 * Looks like we failed to unmask 11b rates previously. This could
3391 * happen, e.g., if the interface was down at the point in time when a
3392 * P2P group was terminated.
3393 */
3394 wpa_printf(MSG_DEBUG,
3395 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3396 bss->ifname);
3397 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3398 }
3399
3400
3401 static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3402 {
3403 if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3404 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3405 if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3406 return NL80211_AUTHTYPE_SHARED_KEY;
3407 if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3408 return NL80211_AUTHTYPE_NETWORK_EAP;
3409 if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3410 return NL80211_AUTHTYPE_FT;
3411 if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3412 return NL80211_AUTHTYPE_SAE;
3413 if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3414 return NL80211_AUTHTYPE_FILS_SK;
3415 if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3416 return NL80211_AUTHTYPE_FILS_SK_PFS;
3417
3418 return NL80211_AUTHTYPE_MAX;
3419 }
3420
3421
3422 static int wpa_driver_nl80211_authenticate(
3423 struct i802_bss *bss, struct wpa_driver_auth_params *params)
3424 {
3425 struct wpa_driver_nl80211_data *drv = bss->drv;
3426 int ret = -1, i;
3427 struct nl_msg *msg;
3428 enum nl80211_auth_type type;
3429 enum nl80211_iftype nlmode;
3430 int count = 0;
3431 int is_retry;
3432
3433 nl80211_unmask_11b_rates(bss);
3434
3435 is_retry = drv->retry_auth;
3436 drv->retry_auth = 0;
3437 drv->ignore_deauth_event = 0;
3438
3439 nl80211_mark_disconnected(drv);
3440 os_memset(drv->auth_bssid, 0, ETH_ALEN);
3441 if (params->bssid)
3442 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3443 else
3444 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
3445 /* FIX: IBSS mode */
3446 nlmode = params->p2p ?
3447 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3448 if (drv->nlmode != nlmode &&
3449 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
3450 return -1;
3451
3452 retry:
3453 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3454 drv->ifindex);
3455
3456 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3457 if (!msg)
3458 goto fail;
3459
3460 for (i = 0; i < 4; i++) {
3461 if (!params->wep_key[i])
3462 continue;
3463 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
3464 NULL, i,
3465 i == params->wep_tx_keyidx, NULL, 0,
3466 params->wep_key[i],
3467 params->wep_key_len[i]);
3468 if (params->wep_tx_keyidx != i)
3469 continue;
3470 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
3471 params->wep_key[i], params->wep_key_len[i]))
3472 goto fail;
3473 }
3474
3475 if (params->bssid) {
3476 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3477 MAC2STR(params->bssid));
3478 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3479 goto fail;
3480 }
3481 if (params->freq) {
3482 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
3483 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3484 goto fail;
3485 }
3486 if (params->ssid) {
3487 wpa_printf(MSG_DEBUG, " * SSID=%s",
3488 wpa_ssid_txt(params->ssid, params->ssid_len));
3489 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3490 params->ssid))
3491 goto fail;
3492 }
3493 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
3494 if (params->ie &&
3495 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3496 goto fail;
3497 if (params->auth_data) {
3498 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
3499 params->auth_data_len);
3500 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
3501 params->auth_data))
3502 goto fail;
3503 }
3504 type = get_nl_auth_type(params->auth_alg);
3505 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3506 if (type == NL80211_AUTHTYPE_MAX ||
3507 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
3508 goto fail;
3509 if (params->local_state_change) {
3510 wpa_printf(MSG_DEBUG, " * Local state change only");
3511 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3512 goto fail;
3513 }
3514
3515 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3516 msg = NULL;
3517 if (ret) {
3518 wpa_dbg(drv->ctx, MSG_DEBUG,
3519 "nl80211: MLME command failed (auth): count=%d ret=%d (%s)",
3520 count, ret, strerror(-ret));
3521 count++;
3522 if ((ret == -EALREADY || ret == -EEXIST) && count == 1 &&
3523 params->bssid && !params->local_state_change) {
3524 /*
3525 * mac80211 does not currently accept new
3526 * authentication if we are already authenticated. As a
3527 * workaround, force deauthentication and try again.
3528 */
3529 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3530 "after forced deauthentication");
3531 drv->ignore_deauth_event = 1;
3532 wpa_driver_nl80211_deauthenticate(
3533 bss, params->bssid,
3534 WLAN_REASON_PREV_AUTH_NOT_VALID);
3535 nlmsg_free(msg);
3536 goto retry;
3537 }
3538
3539 if (ret == -ENOENT && params->freq && !is_retry) {
3540 /*
3541 * cfg80211 has likely expired the BSS entry even
3542 * though it was previously available in our internal
3543 * BSS table. To recover quickly, start a single
3544 * channel scan on the specified channel.
3545 */
3546 struct wpa_driver_scan_params scan;
3547 int freqs[2];
3548
3549 os_memset(&scan, 0, sizeof(scan));
3550 scan.num_ssids = 1;
3551 if (params->ssid) {
3552 scan.ssids[0].ssid = params->ssid;
3553 scan.ssids[0].ssid_len = params->ssid_len;
3554 }
3555 freqs[0] = params->freq;
3556 freqs[1] = 0;
3557 scan.freqs = freqs;
3558 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3559 "channel scan to refresh cfg80211 BSS "
3560 "entry");
3561 ret = wpa_driver_nl80211_scan(bss, &scan);
3562 if (ret == 0) {
3563 nl80211_copy_auth_params(drv, params);
3564 drv->scan_for_auth = 1;
3565 }
3566 } else if (is_retry) {
3567 /*
3568 * Need to indicate this with an event since the return
3569 * value from the retry is not delivered to core code.
3570 */
3571 union wpa_event_data event;
3572 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3573 "failed");
3574 os_memset(&event, 0, sizeof(event));
3575 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3576 ETH_ALEN);
3577 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3578 &event);
3579 }
3580 } else {
3581 wpa_printf(MSG_DEBUG,
3582 "nl80211: Authentication request send successfully");
3583 }
3584
3585 fail:
3586 nlmsg_free(msg);
3587 return ret;
3588 }
3589
3590
3591 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
3592 {
3593 struct wpa_driver_auth_params params;
3594 struct i802_bss *bss = drv->first_bss;
3595 int i;
3596
3597 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3598
3599 os_memset(&params, 0, sizeof(params));
3600 params.freq = drv->auth_freq;
3601 params.auth_alg = drv->auth_alg;
3602 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3603 params.local_state_change = drv->auth_local_state_change;
3604 params.p2p = drv->auth_p2p;
3605
3606 if (!is_zero_ether_addr(drv->auth_bssid_))
3607 params.bssid = drv->auth_bssid_;
3608
3609 if (drv->auth_ssid_len) {
3610 params.ssid = drv->auth_ssid;
3611 params.ssid_len = drv->auth_ssid_len;
3612 }
3613
3614 params.ie = drv->auth_ie;
3615 params.ie_len = drv->auth_ie_len;
3616
3617 for (i = 0; i < 4; i++) {
3618 if (drv->auth_wep_key_len[i]) {
3619 params.wep_key[i] = drv->auth_wep_key[i];
3620 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3621 }
3622 }
3623
3624 drv->retry_auth = 1;
3625 return wpa_driver_nl80211_authenticate(bss, &params);
3626 }
3627
3628
3629 static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3630 const void *data, size_t len,
3631 int encrypt, int noack,
3632 unsigned int freq, int no_cck,
3633 int offchanok, unsigned int wait_time,
3634 const u16 *csa_offs,
3635 size_t csa_offs_len)
3636 {
3637 struct wpa_driver_nl80211_data *drv = bss->drv;
3638 u64 cookie;
3639 int res;
3640
3641 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3642 freq = nl80211_get_assoc_freq(drv);
3643 wpa_printf(MSG_DEBUG,
3644 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3645 freq);
3646 }
3647 if (freq == 0) {
3648 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3649 bss->freq);
3650 freq = bss->freq;
3651 }
3652
3653 if (drv->use_monitor) {
3654 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3655 freq, bss->freq);
3656 return nl80211_send_monitor(drv, data, len, encrypt, noack);
3657 }
3658
3659 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
3660 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
3661 &cookie, no_cck, noack, offchanok,
3662 csa_offs, csa_offs_len);
3663 if (res == 0 && !noack) {
3664 const struct ieee80211_mgmt *mgmt;
3665 u16 fc;
3666
3667 mgmt = (const struct ieee80211_mgmt *) data;
3668 fc = le_to_host16(mgmt->frame_control);
3669 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3670 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3671 wpa_printf(MSG_MSGDUMP,
3672 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3673 (long long unsigned int)
3674 drv->send_action_cookie,
3675 (long long unsigned int) cookie);
3676 drv->send_action_cookie = cookie;
3677 }
3678 }
3679
3680 return res;
3681 }
3682
3683
3684 static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3685 size_t data_len, int noack,
3686 unsigned int freq, int no_cck,
3687 int offchanok,
3688 unsigned int wait_time,
3689 const u16 *csa_offs,
3690 size_t csa_offs_len)
3691 {
3692 struct wpa_driver_nl80211_data *drv = bss->drv;
3693 struct ieee80211_mgmt *mgmt;
3694 int encrypt = 1;
3695 u16 fc;
3696
3697 mgmt = (struct ieee80211_mgmt *) data;
3698 fc = le_to_host16(mgmt->frame_control);
3699 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3700 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3701 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3702 fc, fc2str(fc), drv->nlmode);
3703
3704 if ((is_sta_interface(drv->nlmode) ||
3705 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
3706 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3707 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3708 /*
3709 * The use of last_mgmt_freq is a bit of a hack,
3710 * but it works due to the single-threaded nature
3711 * of wpa_supplicant.
3712 */
3713 if (freq == 0) {
3714 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3715 drv->last_mgmt_freq);
3716 freq = drv->last_mgmt_freq;
3717 }
3718 return nl80211_send_frame_cmd(bss, freq, 0,
3719 data, data_len, NULL, 1, noack,
3720 1, csa_offs, csa_offs_len);
3721 }
3722
3723 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
3724 if (freq == 0) {
3725 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3726 bss->freq);
3727 freq = bss->freq;
3728 }
3729 return nl80211_send_frame_cmd(bss, freq,
3730 (int) freq == bss->freq ? 0 :
3731 wait_time,
3732 data, data_len,
3733 &drv->send_action_cookie,
3734 no_cck, noack, offchanok,
3735 csa_offs, csa_offs_len);
3736 }
3737
3738 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3739 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3740 /*
3741 * Only one of the authentication frame types is encrypted.
3742 * In order for static WEP encryption to work properly (i.e.,
3743 * to not encrypt the frame), we need to tell mac80211 about
3744 * the frames that must not be encrypted.
3745 */
3746 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3747 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
3748 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3749 encrypt = 0;
3750 }
3751
3752 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
3753 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
3754 noack, freq, no_cck, offchanok,
3755 wait_time, csa_offs,
3756 csa_offs_len);
3757 }
3758
3759
3760 static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3761 {
3762 u8 rates[NL80211_MAX_SUPP_RATES];
3763 u8 rates_len = 0;
3764 int i;
3765
3766 if (!basic_rates)
3767 return 0;
3768
3769 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3770 rates[rates_len++] = basic_rates[i] / 5;
3771
3772 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3773 }
3774
3775
3776 static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
3777 int slot, int ht_opmode, int ap_isolate,
3778 const int *basic_rates)
3779 {
3780 struct wpa_driver_nl80211_data *drv = bss->drv;
3781 struct nl_msg *msg;
3782
3783 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
3784 (cts >= 0 &&
3785 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3786 (preamble >= 0 &&
3787 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3788 (slot >= 0 &&
3789 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3790 (ht_opmode >= 0 &&
3791 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3792 (ap_isolate >= 0 &&
3793 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3794 nl80211_put_basic_rates(msg, basic_rates)) {
3795 nlmsg_free(msg);
3796 return -ENOBUFS;
3797 }
3798
3799 return send_and_recv_msgs(drv, msg, NULL, NULL);
3800 }
3801
3802
3803 static int wpa_driver_nl80211_set_acl(void *priv,
3804 struct hostapd_acl_params *params)
3805 {
3806 struct i802_bss *bss = priv;
3807 struct wpa_driver_nl80211_data *drv = bss->drv;
3808 struct nl_msg *msg;
3809 struct nl_msg *acl;
3810 unsigned int i;
3811 int ret;
3812
3813 if (!(drv->capa.max_acl_mac_addrs))
3814 return -ENOTSUP;
3815
3816 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3817 return -ENOTSUP;
3818
3819 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3820 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3821
3822 acl = nlmsg_alloc();
3823 if (!acl)
3824 return -ENOMEM;
3825 for (i = 0; i < params->num_mac_acl; i++) {
3826 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3827 nlmsg_free(acl);
3828 return -ENOMEM;
3829 }
3830 }
3831
3832 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
3833 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3834 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3835 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
3836 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
3837 nlmsg_free(msg);
3838 nlmsg_free(acl);
3839 return -ENOMEM;
3840 }
3841 nlmsg_free(acl);
3842
3843 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3844 if (ret) {
3845 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3846 ret, strerror(-ret));
3847 }
3848
3849 return ret;
3850 }
3851
3852
3853 static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3854 {
3855 if (beacon_int > 0) {
3856 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3857 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3858 beacon_int);
3859 }
3860
3861 return 0;
3862 }
3863
3864
3865 static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3866 {
3867 if (dtim_period > 0) {
3868 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3869 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3870 }
3871
3872 return 0;
3873 }
3874
3875
3876 #ifdef CONFIG_MESH
3877 static int nl80211_set_mesh_config(void *priv,
3878 struct wpa_driver_mesh_bss_params *params)
3879 {
3880 struct i802_bss *bss = priv;
3881 struct wpa_driver_nl80211_data *drv = bss->drv;
3882 struct nl_msg *msg;
3883 int ret;
3884
3885 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3886 if (!msg)
3887 return -1;
3888
3889 ret = nl80211_put_mesh_config(msg, params);
3890 if (ret < 0) {
3891 nlmsg_free(msg);
3892 return ret;
3893 }
3894
3895 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3896 if (ret) {
3897 wpa_printf(MSG_ERROR,
3898 "nl80211: Mesh config set failed: %d (%s)",
3899 ret, strerror(-ret));
3900 return ret;
3901 }
3902 return 0;
3903 }
3904 #endif /* CONFIG_MESH */
3905
3906
3907 static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags,
3908 struct wpa_driver_ap_params *params)
3909 {
3910 struct nlattr *bands, *band;
3911 struct nl80211_txrate_vht vht_rate;
3912
3913 if (!params->freq ||
3914 (params->beacon_rate == 0 &&
3915 params->rate_type == BEACON_RATE_LEGACY))
3916 return 0;
3917
3918 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
3919 if (!bands)
3920 return -1;
3921
3922 switch (params->freq->mode) {
3923 case HOSTAPD_MODE_IEEE80211B:
3924 case HOSTAPD_MODE_IEEE80211G:
3925 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
3926 break;
3927 case HOSTAPD_MODE_IEEE80211A:
3928 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
3929 break;
3930 case HOSTAPD_MODE_IEEE80211AD:
3931 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
3932 break;
3933 default:
3934 return 0;
3935 }
3936
3937 if (!band)
3938 return -1;
3939
3940 os_memset(&vht_rate, 0, sizeof(vht_rate));
3941
3942 switch (params->rate_type) {
3943 case BEACON_RATE_LEGACY:
3944 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
3945 wpa_printf(MSG_INFO,
3946 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
3947 return -1;
3948 }
3949
3950 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
3951 (u8) params->beacon_rate / 5) ||
3952 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
3953 (params->freq->vht_enabled &&
3954 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3955 &vht_rate)))
3956 return -1;
3957
3958 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
3959 params->beacon_rate);
3960 break;
3961 case BEACON_RATE_HT:
3962 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
3963 wpa_printf(MSG_INFO,
3964 "nl80211: Driver does not support setting Beacon frame rate (HT)");
3965 return -1;
3966 }
3967 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
3968 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
3969 (params->freq->vht_enabled &&
3970 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3971 &vht_rate)))
3972 return -1;
3973 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
3974 params->beacon_rate);
3975 break;
3976 case BEACON_RATE_VHT:
3977 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
3978 wpa_printf(MSG_INFO,
3979 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
3980 return -1;
3981 }
3982 vht_rate.mcs[0] = BIT(params->beacon_rate);
3983 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
3984 return -1;
3985 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
3986 return -1;
3987 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3988 &vht_rate))
3989 return -1;
3990 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
3991 params->beacon_rate);
3992 break;
3993 }
3994
3995 nla_nest_end(msg, band);
3996 nla_nest_end(msg, bands);
3997
3998 return 0;
3999 }
4000
4001
4002 static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
4003 int multicast_to_unicast)
4004 {
4005 struct wpa_driver_nl80211_data *drv = bss->drv;
4006 struct nl_msg *msg;
4007 int ret;
4008
4009 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
4010 if (!msg ||
4011 (multicast_to_unicast &&
4012 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
4013 wpa_printf(MSG_ERROR,
4014 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
4015 bss->ifname);
4016 nlmsg_free(msg);
4017 return -ENOBUFS;
4018 }
4019
4020 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4021
4022 switch (ret) {
4023 case 0:
4024 wpa_printf(MSG_DEBUG,
4025 "nl80211: multicast to unicast %s on interface %s",
4026 multicast_to_unicast ? "enabled" : "disabled",
4027 bss->ifname);
4028 break;
4029 case -EOPNOTSUPP:
4030 if (!multicast_to_unicast)
4031 break;
4032 wpa_printf(MSG_INFO,
4033 "nl80211: multicast to unicast not supported on interface %s",
4034 bss->ifname);
4035 break;
4036 default:
4037 wpa_printf(MSG_ERROR,
4038 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
4039 multicast_to_unicast ? "enabling" : "disabling",
4040 ret, strerror(-ret), bss->ifname);
4041 break;
4042 }
4043
4044 return ret;
4045 }
4046
4047
4048 static int wpa_driver_nl80211_set_ap(void *priv,
4049 struct wpa_driver_ap_params *params)
4050 {
4051 struct i802_bss *bss = priv;
4052 struct wpa_driver_nl80211_data *drv = bss->drv;
4053 struct nl_msg *msg;
4054 u8 cmd = NL80211_CMD_NEW_BEACON;
4055 int ret = -ENOBUFS;
4056 int beacon_set;
4057 int num_suites;
4058 int smps_mode;
4059 u32 suites[10], suite;
4060 u32 ver;
4061 #ifdef CONFIG_MESH
4062 struct wpa_driver_mesh_bss_params mesh_params;
4063 #endif /* CONFIG_MESH */
4064
4065 beacon_set = params->reenable ? 0 : bss->beacon_set;
4066
4067 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
4068 beacon_set);
4069 if (beacon_set)
4070 cmd = NL80211_CMD_SET_BEACON;
4071 else if (!drv->device_ap_sme && !drv->use_monitor &&
4072 !nl80211_get_wiphy_data_ap(bss))
4073 return -ENOBUFS;
4074
4075 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
4076 params->head, params->head_len);
4077 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
4078 params->tail, params->tail_len);
4079 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
4080 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
4081 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
4082 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
4083 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
4084 wpa_printf(MSG_DEBUG, "nl80211: ssid=%s",
4085 wpa_ssid_txt(params->ssid, params->ssid_len));
4086 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
4087 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
4088 params->head) ||
4089 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
4090 params->tail) ||
4091 nl80211_put_beacon_int(msg, params->beacon_int) ||
4092 nl80211_put_beacon_rate(msg, drv->capa.flags, params) ||
4093 nl80211_put_dtim_period(msg, params->dtim_period) ||
4094 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4095 goto fail;
4096 if (params->proberesp && params->proberesp_len) {
4097 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
4098 params->proberesp, params->proberesp_len);
4099 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
4100 params->proberesp))
4101 goto fail;
4102 }
4103 switch (params->hide_ssid) {
4104 case NO_SSID_HIDING:
4105 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
4106 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4107 NL80211_HIDDEN_SSID_NOT_IN_USE))
4108 goto fail;
4109 break;
4110 case HIDDEN_SSID_ZERO_LEN:
4111 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
4112 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4113 NL80211_HIDDEN_SSID_ZERO_LEN))
4114 goto fail;
4115 break;
4116 case HIDDEN_SSID_ZERO_CONTENTS:
4117 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
4118 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4119 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
4120 goto fail;
4121 break;
4122 }
4123 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
4124 if (params->privacy &&
4125 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
4126 goto fail;
4127 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
4128 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
4129 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
4130 /* Leave out the attribute */
4131 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
4132 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4133 NL80211_AUTHTYPE_SHARED_KEY))
4134 goto fail;
4135 } else {
4136 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4137 NL80211_AUTHTYPE_OPEN_SYSTEM))
4138 goto fail;
4139 }
4140
4141 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
4142 ver = 0;
4143 if (params->wpa_version & WPA_PROTO_WPA)
4144 ver |= NL80211_WPA_VERSION_1;
4145 if (params->wpa_version & WPA_PROTO_RSN)
4146 ver |= NL80211_WPA_VERSION_2;
4147 if (ver &&
4148 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4149 goto fail;
4150
4151 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
4152 params->key_mgmt_suites);
4153 num_suites = 0;
4154 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
4155 suites[num_suites++] = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
4156 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
4157 suites[num_suites++] = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
4158 if (num_suites &&
4159 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
4160 suites))
4161 goto fail;
4162
4163 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
4164 (!params->pairwise_ciphers ||
4165 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
4166 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
4167 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
4168 goto fail;
4169
4170 if (drv->device_ap_sme &&
4171 (params->key_mgmt_suites & WPA_KEY_MGMT_SAE) &&
4172 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
4173 goto fail;
4174
4175 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
4176 params->pairwise_ciphers);
4177 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
4178 suites, ARRAY_SIZE(suites));
4179 if (num_suites &&
4180 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4181 num_suites * sizeof(u32), suites))
4182 goto fail;
4183
4184 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
4185 params->group_cipher);
4186 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
4187 if (suite &&
4188 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
4189 goto fail;
4190
4191 if (params->ht_opmode != -1) {
4192 switch (params->smps_mode) {
4193 case HT_CAP_INFO_SMPS_DYNAMIC:
4194 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
4195 smps_mode = NL80211_SMPS_DYNAMIC;
4196 break;
4197 case HT_CAP_INFO_SMPS_STATIC:
4198 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
4199 smps_mode = NL80211_SMPS_STATIC;
4200 break;
4201 default:
4202 /* invalid - fallback to smps off */
4203 case HT_CAP_INFO_SMPS_DISABLED:
4204 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
4205 smps_mode = NL80211_SMPS_OFF;
4206 break;
4207 }
4208 if (nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
4209 goto fail;
4210 }
4211
4212 if (params->beacon_ies) {
4213 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
4214 params->beacon_ies);
4215 if (nla_put(msg, NL80211_ATTR_IE,
4216 wpabuf_len(params->beacon_ies),
4217 wpabuf_head(params->beacon_ies)))
4218 goto fail;
4219 }
4220 if (params->proberesp_ies) {
4221 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
4222 params->proberesp_ies);
4223 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
4224 wpabuf_len(params->proberesp_ies),
4225 wpabuf_head(params->proberesp_ies)))
4226 goto fail;
4227 }
4228 if (params->assocresp_ies) {
4229 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
4230 params->assocresp_ies);
4231 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
4232 wpabuf_len(params->assocresp_ies),
4233 wpabuf_head(params->assocresp_ies)))
4234 goto fail;
4235 }
4236
4237 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
4238 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
4239 params->ap_max_inactivity);
4240 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
4241 params->ap_max_inactivity))
4242 goto fail;
4243 }
4244
4245 #ifdef CONFIG_P2P
4246 if (params->p2p_go_ctwindow > 0) {
4247 if (drv->p2p_go_ctwindow_supported) {
4248 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
4249 params->p2p_go_ctwindow);
4250 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
4251 params->p2p_go_ctwindow))
4252 goto fail;
4253 } else {
4254 wpa_printf(MSG_INFO,
4255 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
4256 }
4257 }
4258 #endif /* CONFIG_P2P */
4259
4260 if (params->pbss) {
4261 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
4262 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4263 goto fail;
4264 }
4265
4266 if (params->ftm_responder) {
4267 struct nlattr *ftm;
4268
4269 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) {
4270 ret = -ENOTSUP;
4271 goto fail;
4272 }
4273
4274 ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER);
4275 if (!ftm ||
4276 nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) ||
4277 (params->lci &&
4278 nla_put(msg, NL80211_FTM_RESP_ATTR_LCI,
4279 wpabuf_len(params->lci),
4280 wpabuf_head(params->lci))) ||
4281 (params->civic &&
4282 nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC,
4283 wpabuf_len(params->civic),
4284 wpabuf_head(params->civic))))
4285 goto fail;
4286 nla_nest_end(msg, ftm);
4287 }
4288
4289 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4290 if (ret) {
4291 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
4292 ret, strerror(-ret));
4293 } else {
4294 bss->beacon_set = 1;
4295 nl80211_set_bss(bss, params->cts_protect, params->preamble,
4296 params->short_slot_time, params->ht_opmode,
4297 params->isolate, params->basic_rates);
4298 nl80211_set_multicast_to_unicast(bss,
4299 params->multicast_to_unicast);
4300 if (beacon_set && params->freq &&
4301 params->freq->bandwidth != bss->bandwidth) {
4302 wpa_printf(MSG_DEBUG,
4303 "nl80211: Update BSS %s bandwidth: %d -> %d",
4304 bss->ifname, bss->bandwidth,
4305 params->freq->bandwidth);
4306 ret = nl80211_set_channel(bss, params->freq, 1);
4307 if (ret) {
4308 wpa_printf(MSG_DEBUG,
4309 "nl80211: Frequency set failed: %d (%s)",
4310 ret, strerror(-ret));
4311 } else {
4312 wpa_printf(MSG_DEBUG,
4313 "nl80211: Frequency set succeeded for ht2040 coex");
4314 bss->bandwidth = params->freq->bandwidth;
4315 }
4316 } else if (!beacon_set && params->freq) {
4317 /*
4318 * cfg80211 updates the driver on frequence change in AP
4319 * mode only at the point when beaconing is started, so
4320 * set the initial value here.
4321 */
4322 bss->bandwidth = params->freq->bandwidth;
4323 }
4324 }
4325
4326 #ifdef CONFIG_MESH
4327 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
4328 os_memset(&mesh_params, 0, sizeof(mesh_params));
4329 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
4330 mesh_params.ht_opmode = params->ht_opmode;
4331 ret = nl80211_set_mesh_config(priv, &mesh_params);
4332 if (ret < 0)
4333 return ret;
4334 }
4335 #endif /* CONFIG_MESH */
4336
4337 return ret;
4338 fail:
4339 nlmsg_free(msg);
4340 return ret;
4341 }
4342
4343
4344 static int nl80211_put_freq_params(struct nl_msg *msg,
4345 const struct hostapd_freq_params *freq)
4346 {
4347 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
4348 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4349 return -ENOBUFS;
4350
4351 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4352 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4353
4354 if (freq->vht_enabled) {
4355 enum nl80211_chan_width cw;
4356
4357 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
4358 switch (freq->bandwidth) {
4359 case 20:
4360 cw = NL80211_CHAN_WIDTH_20;
4361 break;
4362 case 40:
4363 cw = NL80211_CHAN_WIDTH_40;
4364 break;
4365 case 80:
4366 if (freq->center_freq2)
4367 cw = NL80211_CHAN_WIDTH_80P80;
4368 else
4369 cw = NL80211_CHAN_WIDTH_80;
4370 break;
4371 case 160:
4372 cw = NL80211_CHAN_WIDTH_160;
4373 break;
4374 default:
4375 return -EINVAL;
4376 }
4377
4378 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4379 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4380 freq->center_freq1);
4381 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4382 freq->center_freq2);
4383 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4384 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4385 freq->center_freq1) ||
4386 (freq->center_freq2 &&
4387 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
4388 freq->center_freq2)))
4389 return -ENOBUFS;
4390 } else if (freq->ht_enabled) {
4391 enum nl80211_channel_type ct;
4392
4393 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4394 freq->sec_channel_offset);
4395 switch (freq->sec_channel_offset) {
4396 case -1:
4397 ct = NL80211_CHAN_HT40MINUS;
4398 break;
4399 case 1:
4400 ct = NL80211_CHAN_HT40PLUS;
4401 break;
4402 default:
4403 ct = NL80211_CHAN_HT20;
4404 break;
4405 }
4406
4407 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
4408 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
4409 return -ENOBUFS;
4410 } else {
4411 wpa_printf(MSG_DEBUG, " * channel_type=%d",
4412 NL80211_CHAN_NO_HT);
4413 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
4414 NL80211_CHAN_NO_HT))
4415 return -ENOBUFS;
4416 }
4417 return 0;
4418 }
4419
4420
4421 static int nl80211_set_channel(struct i802_bss *bss,
4422 struct hostapd_freq_params *freq, int set_chan)
4423 {
4424 struct wpa_driver_nl80211_data *drv = bss->drv;
4425 struct nl_msg *msg;
4426 int ret;
4427
4428 wpa_printf(MSG_DEBUG,
4429 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
4430 freq->freq, freq->ht_enabled, freq->vht_enabled,
4431 freq->bandwidth, freq->center_freq1, freq->center_freq2);
4432
4433 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
4434 NL80211_CMD_SET_WIPHY);
4435 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
4436 nlmsg_free(msg);
4437 return -1;
4438 }
4439
4440 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4441 if (ret == 0) {
4442 bss->freq = freq->freq;
4443 return 0;
4444 }
4445 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
4446 "%d (%s)", freq->freq, ret, strerror(-ret));
4447 return -1;
4448 }
4449
4450
4451 static u32 sta_flags_nl80211(int flags)
4452 {
4453 u32 f = 0;
4454
4455 if (flags & WPA_STA_AUTHORIZED)
4456 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
4457 if (flags & WPA_STA_WMM)
4458 f |= BIT(NL80211_STA_FLAG_WME);
4459 if (flags & WPA_STA_SHORT_PREAMBLE)
4460 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
4461 if (flags & WPA_STA_MFP)
4462 f |= BIT(NL80211_STA_FLAG_MFP);
4463 if (flags & WPA_STA_TDLS_PEER)
4464 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
4465 if (flags & WPA_STA_AUTHENTICATED)
4466 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4467 if (flags & WPA_STA_ASSOCIATED)
4468 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4469
4470 return f;
4471 }
4472
4473
4474 #ifdef CONFIG_MESH
4475 static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
4476 {
4477 switch (state) {
4478 case PLINK_IDLE:
4479 return NL80211_PLINK_LISTEN;
4480 case PLINK_OPN_SNT:
4481 return NL80211_PLINK_OPN_SNT;
4482 case PLINK_OPN_RCVD:
4483 return NL80211_PLINK_OPN_RCVD;
4484 case PLINK_CNF_RCVD:
4485 return NL80211_PLINK_CNF_RCVD;
4486 case PLINK_ESTAB:
4487 return NL80211_PLINK_ESTAB;
4488 case PLINK_HOLDING:
4489 return NL80211_PLINK_HOLDING;
4490 case PLINK_BLOCKED:
4491 return NL80211_PLINK_BLOCKED;
4492 default:
4493 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
4494 state);
4495 }
4496 return -1;
4497 }
4498 #endif /* CONFIG_MESH */
4499
4500
4501 static int wpa_driver_nl80211_sta_add(void *priv,
4502 struct hostapd_sta_add_params *params)
4503 {
4504 struct i802_bss *bss = priv;
4505 struct wpa_driver_nl80211_data *drv = bss->drv;
4506 struct nl_msg *msg;
4507 struct nl80211_sta_flag_update upd;
4508 int ret = -ENOBUFS;
4509
4510 if ((params->flags & WPA_STA_TDLS_PEER) &&
4511 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
4512 return -EOPNOTSUPP;
4513
4514 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
4515 params->set ? "Set" : "Add", MAC2STR(params->addr));
4516 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
4517 NL80211_CMD_NEW_STATION);
4518 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
4519 goto fail;
4520
4521 /*
4522 * Set the below properties only in one of the following cases:
4523 * 1. New station is added, already associated.
4524 * 2. Set WPA_STA_TDLS_PEER station.
4525 * 3. Set an already added unassociated station, if driver supports
4526 * full AP client state. (Set these properties after station became
4527 * associated will be rejected by the driver).
4528 */
4529 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4530 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4531 (params->flags & WPA_STA_ASSOCIATED))) {
4532 wpa_hexdump(MSG_DEBUG, " * supported rates",
4533 params->supp_rates, params->supp_rates_len);
4534 wpa_printf(MSG_DEBUG, " * capability=0x%x",
4535 params->capability);
4536 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
4537 params->supp_rates_len, params->supp_rates) ||
4538 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
4539 params->capability))
4540 goto fail;
4541
4542 if (params->ht_capabilities) {
4543 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
4544 (u8 *) params->ht_capabilities,
4545 sizeof(*params->ht_capabilities));
4546 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
4547 sizeof(*params->ht_capabilities),
4548 params->ht_capabilities))
4549 goto fail;
4550 }
4551
4552 if (params->vht_capabilities) {
4553 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
4554 (u8 *) params->vht_capabilities,
4555 sizeof(*params->vht_capabilities));
4556 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
4557 sizeof(*params->vht_capabilities),
4558 params->vht_capabilities))
4559 goto fail;
4560 }
4561
4562 if (params->ext_capab) {
4563 wpa_hexdump(MSG_DEBUG, " * ext_capab",
4564 params->ext_capab, params->ext_capab_len);
4565 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4566 params->ext_capab_len, params->ext_capab))
4567 goto fail;
4568 }
4569
4570 if (is_ap_interface(drv->nlmode) &&
4571 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4572 params->support_p2p_ps ?
4573 NL80211_P2P_PS_SUPPORTED :
4574 NL80211_P2P_PS_UNSUPPORTED))
4575 goto fail;
4576 }
4577 if (!params->set) {
4578 if (params->aid) {
4579 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4580 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4581 goto fail;
4582 } else {
4583 /*
4584 * cfg80211 validates that AID is non-zero, so we have
4585 * to make this a non-zero value for the TDLS case where
4586 * a dummy STA entry is used for now and for a station
4587 * that is still not associated.
4588 */
4589 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4590 (params->flags & WPA_STA_TDLS_PEER) ?
4591 "TDLS" : "UNASSOC_STA");
4592 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4593 goto fail;
4594 }
4595 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4596 params->listen_interval);
4597 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4598 params->listen_interval))
4599 goto fail;
4600 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4601 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
4602 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4603 goto fail;
4604 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4605 (params->flags & WPA_STA_ASSOCIATED)) {
4606 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4607 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4608 params->listen_interval);
4609 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4610 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4611 params->listen_interval))
4612 goto fail;
4613 }
4614
4615 if (params->vht_opmode_enabled) {
4616 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
4617 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4618 params->vht_opmode))
4619 goto fail;
4620 }
4621
4622 if (params->supp_channels) {
4623 wpa_hexdump(MSG_DEBUG, " * supported channels",
4624 params->supp_channels, params->supp_channels_len);
4625 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4626 params->supp_channels_len, params->supp_channels))
4627 goto fail;
4628 }
4629
4630 if (params->supp_oper_classes) {
4631 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4632 params->supp_oper_classes,
4633 params->supp_oper_classes_len);
4634 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4635 params->supp_oper_classes_len,
4636 params->supp_oper_classes))
4637 goto fail;
4638 }
4639
4640 os_memset(&upd, 0, sizeof(upd));
4641 upd.set = sta_flags_nl80211(params->flags);
4642 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
4643
4644 /*
4645 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4646 * flags, as nl80211 driver moves a new station, by default, into
4647 * associated state.
4648 *
4649 * On the other hand, if the driver supports that feature and the
4650 * station is added in unauthenticated state, set the
4651 * authenticated/associated bits in the mask to prevent moving this
4652 * station to associated state before it is actually associated.
4653 *
4654 * This is irrelevant for mesh mode where the station is added to the
4655 * driver as authenticated already, and ASSOCIATED isn't part of the
4656 * nl80211 API.
4657 */
4658 if (!is_mesh_interface(drv->nlmode)) {
4659 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4660 wpa_printf(MSG_DEBUG,
4661 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4662 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4663 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4664 } else if (!params->set &&
4665 !(params->flags & WPA_STA_TDLS_PEER)) {
4666 if (!(params->flags & WPA_STA_AUTHENTICATED))
4667 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4668 if (!(params->flags & WPA_STA_ASSOCIATED))
4669 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4670 }
4671 #ifdef CONFIG_MESH
4672 } else {
4673 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4674 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4675 params->peer_aid);
4676 if (ret)
4677 goto fail;
4678 }
4679 #endif /* CONFIG_MESH */
4680 }
4681
4682 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4683 upd.set, upd.mask);
4684 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4685 goto fail;
4686
4687 #ifdef CONFIG_MESH
4688 if (params->plink_state &&
4689 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4690 sta_plink_state_nl80211(params->plink_state)))
4691 goto fail;
4692 #endif /* CONFIG_MESH */
4693
4694 if ((!params->set || FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) &&
4695 (params->flags & WPA_STA_WMM)) {
4696 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4697
4698 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
4699 if (!wme ||
4700 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4701 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4702 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4703 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4704 WMM_QOSINFO_STA_SP_MASK))
4705 goto fail;
4706 nla_nest_end(msg, wme);
4707 }
4708
4709 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4710 msg = NULL;
4711 if (ret)
4712 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4713 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4714 strerror(-ret));
4715 if (ret == -EEXIST)
4716 ret = 0;
4717 fail:
4718 nlmsg_free(msg);
4719 return ret;
4720 }
4721
4722
4723 static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4724 {
4725 #ifdef CONFIG_LIBNL3_ROUTE
4726 struct wpa_driver_nl80211_data *drv = bss->drv;
4727 struct rtnl_neigh *rn;
4728 struct nl_addr *nl_addr;
4729 int err;
4730
4731 rn = rtnl_neigh_alloc();
4732 if (!rn)
4733 return;
4734
4735 rtnl_neigh_set_family(rn, AF_BRIDGE);
4736 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4737 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4738 if (!nl_addr) {
4739 rtnl_neigh_put(rn);
4740 return;
4741 }
4742 rtnl_neigh_set_lladdr(rn, nl_addr);
4743
4744 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4745 if (err < 0) {
4746 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4747 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4748 bss->ifindex, nl_geterror(err));
4749 } else {
4750 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4751 MACSTR, MAC2STR(addr));
4752 }
4753
4754 nl_addr_put(nl_addr);
4755 rtnl_neigh_put(rn);
4756 #endif /* CONFIG_LIBNL3_ROUTE */
4757 }
4758
4759
4760 static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4761 int deauth, u16 reason_code)
4762 {
4763 struct wpa_driver_nl80211_data *drv = bss->drv;
4764 struct nl_msg *msg;
4765 int ret;
4766
4767 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
4768 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4769 (deauth == 0 &&
4770 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4771 WLAN_FC_STYPE_DISASSOC)) ||
4772 (deauth == 1 &&
4773 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4774 WLAN_FC_STYPE_DEAUTH)) ||
4775 (reason_code &&
4776 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4777 nlmsg_free(msg);
4778 return -ENOBUFS;
4779 }
4780
4781 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4782 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4783 " --> %d (%s)",
4784 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
4785
4786 if (drv->rtnl_sk)
4787 rtnl_neigh_delete_fdb_entry(bss, addr);
4788
4789 if (ret == -ENOENT)
4790 return 0;
4791 return ret;
4792 }
4793
4794
4795 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
4796 {
4797 struct nl_msg *msg;
4798 struct wpa_driver_nl80211_data *drv2;
4799
4800 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4801
4802 /* stop listening for EAPOL on this interface */
4803 dl_list_for_each(drv2, &drv->global->interfaces,
4804 struct wpa_driver_nl80211_data, list)
4805 {
4806 del_ifidx(drv2, ifidx, IFIDX_ANY);
4807 /* Remove all bridges learned for this iface */
4808 del_ifidx(drv2, IFIDX_ANY, ifidx);
4809 }
4810
4811 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
4812 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4813 return;
4814 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
4815 }
4816
4817
4818 const char * nl80211_iftype_str(enum nl80211_iftype mode)
4819 {
4820 switch (mode) {
4821 case NL80211_IFTYPE_ADHOC:
4822 return "ADHOC";
4823 case NL80211_IFTYPE_STATION:
4824 return "STATION";
4825 case NL80211_IFTYPE_AP:
4826 return "AP";
4827 case NL80211_IFTYPE_AP_VLAN:
4828 return "AP_VLAN";
4829 case NL80211_IFTYPE_WDS:
4830 return "WDS";
4831 case NL80211_IFTYPE_MONITOR:
4832 return "MONITOR";
4833 case NL80211_IFTYPE_MESH_POINT:
4834 return "MESH_POINT";
4835 case NL80211_IFTYPE_P2P_CLIENT:
4836 return "P2P_CLIENT";
4837 case NL80211_IFTYPE_P2P_GO:
4838 return "P2P_GO";
4839 case NL80211_IFTYPE_P2P_DEVICE:
4840 return "P2P_DEVICE";
4841 default:
4842 return "unknown";
4843 }
4844 }
4845
4846
4847 static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4848 const char *ifname,
4849 enum nl80211_iftype iftype,
4850 const u8 *addr, int wds,
4851 int (*handler)(struct nl_msg *, void *),
4852 void *arg)
4853 {
4854 struct nl_msg *msg;
4855 int ifidx;
4856 int ret = -ENOBUFS;
4857
4858 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4859 iftype, nl80211_iftype_str(iftype));
4860
4861 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4862 if (!msg ||
4863 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4864 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4865 goto fail;
4866
4867 if (iftype == NL80211_IFTYPE_MONITOR) {
4868 struct nlattr *flags;
4869
4870 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
4871 if (!flags ||
4872 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4873 goto fail;
4874
4875 nla_nest_end(msg, flags);
4876 } else if (wds) {
4877 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4878 goto fail;
4879 }
4880
4881 /*
4882 * Tell cfg80211 that the interface belongs to the socket that created
4883 * it, and the interface should be deleted when the socket is closed.
4884 */
4885 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4886 goto fail;
4887
4888 ret = send_and_recv_msgs(drv, msg, handler, arg);
4889 msg = NULL;
4890 if (ret) {
4891 fail:
4892 nlmsg_free(msg);
4893 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4894 ifname, ret, strerror(-ret));
4895 return ret;
4896 }
4897
4898 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
4899 return 0;
4900
4901 ifidx = if_nametoindex(ifname);
4902 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4903 ifname, ifidx);
4904
4905 if (ifidx <= 0)
4906 return -1;
4907
4908 /*
4909 * Some virtual interfaces need to process EAPOL packets and events on
4910 * the parent interface. This is used mainly with hostapd.
4911 */
4912 if (drv->hostapd ||
4913 iftype == NL80211_IFTYPE_AP_VLAN ||
4914 iftype == NL80211_IFTYPE_WDS ||
4915 iftype == NL80211_IFTYPE_MONITOR) {
4916 /* start listening for EAPOL on this interface */
4917 add_ifidx(drv, ifidx, IFIDX_ANY);
4918 }
4919
4920 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4921 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
4922 nl80211_remove_iface(drv, ifidx);
4923 return -1;
4924 }
4925
4926 return ifidx;
4927 }
4928
4929
4930 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4931 const char *ifname, enum nl80211_iftype iftype,
4932 const u8 *addr, int wds,
4933 int (*handler)(struct nl_msg *, void *),
4934 void *arg, int use_existing)
4935 {
4936 int ret;
4937
4938 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4939 arg);
4940
4941 /* if error occurred and interface exists already */
4942 if (ret == -ENFILE && if_nametoindex(ifname)) {
4943 if (use_existing) {
4944 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4945 ifname);
4946 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4947 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4948 addr) < 0 &&
4949 (linux_set_iface_flags(drv->global->ioctl_sock,
4950 ifname, 0) < 0 ||
4951 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4952 addr) < 0 ||
4953 linux_set_iface_flags(drv->global->ioctl_sock,
4954 ifname, 1) < 0))
4955 return -1;
4956 return -ENFILE;
4957 }
4958 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4959
4960 /* Try to remove the interface that was already there. */
4961 nl80211_remove_iface(drv, if_nametoindex(ifname));
4962
4963 /* Try to create the interface again */
4964 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
4965 wds, handler, arg);
4966 }
4967
4968 if (ret >= 0 && is_p2p_net_interface(iftype)) {
4969 wpa_printf(MSG_DEBUG,
4970 "nl80211: Interface %s created for P2P - disable 11b rates",
4971 ifname);
4972 nl80211_disable_11b_rates(drv, ret, 1);
4973 }
4974
4975 return ret;
4976 }
4977
4978
4979 static int nl80211_setup_ap(struct i802_bss *bss)
4980 {
4981 struct wpa_driver_nl80211_data *drv = bss->drv;
4982
4983 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4984 bss->ifname, drv->device_ap_sme, drv->use_monitor);
4985
4986 /*
4987 * Disable Probe Request reporting unless we need it in this way for
4988 * devices that include the AP SME, in the other case (unless using
4989 * monitor iface) we'll get it through the nl_mgmt socket instead.
4990 */
4991 if (!drv->device_ap_sme)
4992 wpa_driver_nl80211_probe_req_report(bss, 0);
4993
4994 if (!drv->device_ap_sme && !drv->use_monitor)
4995 if (nl80211_mgmt_subscribe_ap(bss))
4996 return -1;
4997
4998 if (drv->device_ap_sme && !drv->use_monitor)
4999 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
5000 wpa_printf(MSG_DEBUG,
5001 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
5002
5003 if (!drv->device_ap_sme && drv->use_monitor &&
5004 nl80211_create_monitor_interface(drv) &&
5005 !drv->device_ap_sme)
5006 return -1;
5007
5008 if (drv->device_ap_sme &&
5009 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
5010 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
5011 "Probe Request frame reporting in AP mode");
5012 /* Try to survive without this */
5013 }
5014
5015 return 0;
5016 }
5017
5018
5019 static void nl80211_teardown_ap(struct i802_bss *bss)
5020 {
5021 struct wpa_driver_nl80211_data *drv = bss->drv;
5022
5023 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
5024 bss->ifname, drv->device_ap_sme, drv->use_monitor);
5025 if (drv->device_ap_sme) {
5026 wpa_driver_nl80211_probe_req_report(bss, 0);
5027 if (!drv->use_monitor)
5028 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
5029 } else if (drv->use_monitor)
5030 nl80211_remove_monitor_interface(drv);
5031 else
5032 nl80211_mgmt_unsubscribe(bss, "AP teardown");
5033
5034 nl80211_put_wiphy_data_ap(bss);
5035 bss->beacon_set = 0;
5036 }
5037
5038
5039 static int nl80211_send_eapol_data(struct i802_bss *bss,
5040 const u8 *addr, const u8 *data,
5041 size_t data_len)
5042 {
5043 struct sockaddr_ll ll;
5044 int ret;
5045
5046 if (bss->drv->eapol_tx_sock < 0) {
5047 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
5048 return -1;
5049 }
5050
5051 os_memset(&ll, 0, sizeof(ll));
5052 ll.sll_family = AF_PACKET;
5053 ll.sll_ifindex = bss->ifindex;
5054 ll.sll_protocol = htons(ETH_P_PAE);
5055 ll.sll_halen = ETH_ALEN;
5056 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
5057 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
5058 (struct sockaddr *) &ll, sizeof(ll));
5059 if (ret < 0)
5060 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
5061 strerror(errno));
5062
5063 return ret;
5064 }
5065
5066
5067 static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
5068
5069 static int wpa_driver_nl80211_hapd_send_eapol(
5070 void *priv, const u8 *addr, const u8 *data,
5071 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
5072 {
5073 struct i802_bss *bss = priv;
5074 struct wpa_driver_nl80211_data *drv = bss->drv;
5075 struct ieee80211_hdr *hdr;
5076 size_t len;
5077 u8 *pos;
5078 int res;
5079 int qos = flags & WPA_STA_WMM;
5080
5081 if (drv->device_ap_sme || !drv->use_monitor)
5082 return nl80211_send_eapol_data(bss, addr, data, data_len);
5083
5084 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
5085 data_len;
5086 hdr = os_zalloc(len);
5087 if (hdr == NULL) {
5088 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
5089 (unsigned long) len);
5090 return -1;
5091 }
5092
5093 hdr->frame_control =
5094 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
5095 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
5096 if (encrypt)
5097 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
5098 if (qos) {
5099 hdr->frame_control |=
5100 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
5101 }
5102
5103 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
5104 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
5105 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
5106 pos = (u8 *) (hdr + 1);
5107
5108 if (qos) {
5109 /* Set highest priority in QoS header */
5110 pos[0] = 7;
5111 pos[1] = 0;
5112 pos += 2;
5113 }
5114
5115 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
5116 pos += sizeof(rfc1042_header);
5117 WPA_PUT_BE16(pos, ETH_P_PAE);
5118 pos += 2;
5119 memcpy(pos, data, data_len);
5120
5121 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
5122 0, 0, 0, 0, NULL, 0);
5123 if (res < 0) {
5124 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
5125 "failed: %d (%s)",
5126 (unsigned long) len, errno, strerror(errno));
5127 }
5128 os_free(hdr);
5129
5130 return res;
5131 }
5132
5133
5134 static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
5135 unsigned int total_flags,
5136 unsigned int flags_or,
5137 unsigned int flags_and)
5138 {
5139 struct i802_bss *bss = priv;
5140 struct nl_msg *msg;
5141 struct nlattr *flags;
5142 struct nl80211_sta_flag_update upd;
5143
5144 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
5145 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
5146 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
5147 !!(total_flags & WPA_STA_AUTHORIZED));
5148
5149 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5150 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
5151 goto fail;
5152
5153 /*
5154 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
5155 * can be removed eventually.
5156 */
5157 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
5158 if (!flags ||
5159 ((total_flags & WPA_STA_AUTHORIZED) &&
5160 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
5161 ((total_flags & WPA_STA_WMM) &&
5162 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
5163 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
5164 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
5165 ((total_flags & WPA_STA_MFP) &&
5166 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
5167 ((total_flags & WPA_STA_TDLS_PEER) &&
5168 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
5169 goto fail;
5170
5171 nla_nest_end(msg, flags);
5172
5173 os_memset(&upd, 0, sizeof(upd));
5174 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
5175 upd.set = sta_flags_nl80211(flags_or);
5176 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
5177 goto fail;
5178
5179 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5180 fail:
5181 nlmsg_free(msg);
5182 return -ENOBUFS;
5183 }
5184
5185
5186 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
5187 struct wpa_driver_associate_params *params)
5188 {
5189 enum nl80211_iftype nlmode, old_mode;
5190
5191 if (params->p2p) {
5192 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
5193 "group (GO)");
5194 nlmode = NL80211_IFTYPE_P2P_GO;
5195 } else
5196 nlmode = NL80211_IFTYPE_AP;
5197
5198 old_mode = drv->nlmode;
5199 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
5200 nl80211_remove_monitor_interface(drv);
5201 return -1;
5202 }
5203
5204 if (params->freq.freq &&
5205 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
5206 if (old_mode != nlmode)
5207 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
5208 nl80211_remove_monitor_interface(drv);
5209 return -1;
5210 }
5211
5212 return 0;
5213 }
5214
5215
5216 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
5217 int reset_mode)
5218 {
5219 struct nl_msg *msg;
5220 int ret;
5221
5222 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5223 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5224 if (ret) {
5225 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
5226 "(%s)", ret, strerror(-ret));
5227 } else {
5228 wpa_printf(MSG_DEBUG,
5229 "nl80211: Leave IBSS request sent successfully");
5230 }
5231
5232 if (reset_mode &&
5233 wpa_driver_nl80211_set_mode(drv->first_bss,
5234 NL80211_IFTYPE_STATION)) {
5235 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5236 "station mode");
5237 }
5238
5239 return ret;
5240 }
5241
5242
5243 static int nl80211_ht_vht_overrides(struct nl_msg *msg,
5244 struct wpa_driver_associate_params *params)
5245 {
5246 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
5247 return -1;
5248
5249 if (params->htcaps && params->htcaps_mask) {
5250 int sz = sizeof(struct ieee80211_ht_capabilities);
5251 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
5252 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
5253 params->htcaps_mask, sz);
5254 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
5255 params->htcaps) ||
5256 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
5257 params->htcaps_mask))
5258 return -1;
5259 }
5260
5261 #ifdef CONFIG_VHT_OVERRIDES
5262 if (params->disable_vht) {
5263 wpa_printf(MSG_DEBUG, " * VHT disabled");
5264 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
5265 return -1;
5266 }
5267
5268 if (params->vhtcaps && params->vhtcaps_mask) {
5269 int sz = sizeof(struct ieee80211_vht_capabilities);
5270 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
5271 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
5272 params->vhtcaps_mask, sz);
5273 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
5274 params->vhtcaps) ||
5275 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
5276 params->vhtcaps_mask))
5277 return -1;
5278 }
5279 #endif /* CONFIG_VHT_OVERRIDES */
5280
5281 return 0;
5282 }
5283
5284
5285 static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
5286 struct wpa_driver_associate_params *params)
5287 {
5288 struct nl_msg *msg;
5289 int ret = -1;
5290 int count = 0;
5291
5292 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
5293
5294 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5295 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5296 "IBSS mode");
5297 return -1;
5298 }
5299
5300 retry:
5301 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
5302 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
5303 goto fail;
5304
5305 wpa_printf(MSG_DEBUG, " * SSID=%s",
5306 wpa_ssid_txt(params->ssid, params->ssid_len));
5307 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5308 goto fail;
5309 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5310 drv->ssid_len = params->ssid_len;
5311
5312 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
5313 nl80211_put_beacon_int(msg, params->beacon_int))
5314 goto fail;
5315
5316 ret = nl80211_set_conn_keys(params, msg);
5317 if (ret)
5318 goto fail;
5319
5320 if (params->bssid && params->fixed_bssid) {
5321 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
5322 MAC2STR(params->bssid));
5323 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5324 goto fail;
5325 }
5326
5327 if (params->fixed_freq) {
5328 wpa_printf(MSG_DEBUG, " * fixed_freq");
5329 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
5330 goto fail;
5331 }
5332
5333 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5334 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5335 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5336 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
5337 wpa_printf(MSG_DEBUG, " * control port");
5338 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5339 goto fail;
5340 }
5341
5342 if (params->wpa_ie) {
5343 wpa_hexdump(MSG_DEBUG,
5344 " * Extra IEs for Beacon/Probe Response frames",
5345 params->wpa_ie, params->wpa_ie_len);
5346 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
5347 params->wpa_ie))
5348 goto fail;
5349 }
5350
5351 ret = nl80211_ht_vht_overrides(msg, params);
5352 if (ret < 0)
5353 goto fail;
5354
5355 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5356 msg = NULL;
5357 if (ret) {
5358 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
5359 ret, strerror(-ret));
5360 count++;
5361 if (ret == -EALREADY && count == 1) {
5362 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
5363 "forced leave");
5364 nl80211_leave_ibss(drv, 0);
5365 nlmsg_free(msg);
5366 goto retry;
5367 }
5368 } else {
5369 wpa_printf(MSG_DEBUG,
5370 "nl80211: Join IBSS request sent successfully");
5371 }
5372
5373 fail:
5374 nlmsg_free(msg);
5375 return ret;
5376 }
5377
5378
5379 static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
5380 struct wpa_driver_associate_params *params,
5381 struct nl_msg *msg)
5382 {
5383 if (params->fils_erp_username_len) {
5384 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username",
5385 params->fils_erp_username,
5386 params->fils_erp_username_len);
5387 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
5388 params->fils_erp_username_len,
5389 params->fils_erp_username))
5390 return -1;
5391 }
5392
5393 if (params->fils_erp_realm_len) {
5394 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm",
5395 params->fils_erp_realm,
5396 params->fils_erp_realm_len);
5397 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
5398 params->fils_erp_realm_len, params->fils_erp_realm))
5399 return -1;
5400 }
5401
5402 wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u",
5403 params->fils_erp_next_seq_num);
5404 if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
5405 params->fils_erp_next_seq_num))
5406 return -1;
5407
5408 if (params->fils_erp_rrk_len) {
5409 wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)",
5410 (unsigned long) params->fils_erp_rrk_len);
5411 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
5412 params->fils_erp_rrk_len, params->fils_erp_rrk))
5413 return -1;
5414 }
5415
5416 return 0;
5417 }
5418
5419
5420 static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
5421 struct wpa_driver_associate_params *params,
5422 struct nl_msg *msg)
5423 {
5424 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5425 return -1;
5426
5427 if (params->bssid) {
5428 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5429 MAC2STR(params->bssid));
5430 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5431 return -1;
5432 }
5433
5434 if (params->bssid_hint) {
5435 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
5436 MAC2STR(params->bssid_hint));
5437 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
5438 params->bssid_hint))
5439 return -1;
5440 }
5441
5442 if (params->freq.freq) {
5443 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
5444 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
5445 params->freq.freq))
5446 return -1;
5447 drv->assoc_freq = params->freq.freq;
5448 } else
5449 drv->assoc_freq = 0;
5450
5451 if (params->freq_hint) {
5452 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
5453 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
5454 params->freq_hint))
5455 return -1;
5456 }
5457
5458 if (params->bg_scan_period >= 0) {
5459 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
5460 params->bg_scan_period);
5461 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
5462 params->bg_scan_period))
5463 return -1;
5464 }
5465
5466 if (params->ssid) {
5467 wpa_printf(MSG_DEBUG, " * SSID=%s",
5468 wpa_ssid_txt(params->ssid, params->ssid_len));
5469 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
5470 params->ssid))
5471 return -1;
5472 if (params->ssid_len > sizeof(drv->ssid))
5473 return -1;
5474 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5475 drv->ssid_len = params->ssid_len;
5476 }
5477
5478 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
5479 if (params->wpa_ie &&
5480 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
5481 return -1;
5482
5483 if (params->wpa_proto) {
5484 enum nl80211_wpa_versions ver = 0;
5485
5486 if (params->wpa_proto & WPA_PROTO_WPA)
5487 ver |= NL80211_WPA_VERSION_1;
5488 if (params->wpa_proto & WPA_PROTO_RSN)
5489 ver |= NL80211_WPA_VERSION_2;
5490
5491 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
5492 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5493 return -1;
5494 }
5495
5496 if (params->pairwise_suite != WPA_CIPHER_NONE) {
5497 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
5498 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
5499 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5500 cipher))
5501 return -1;
5502 }
5503
5504 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
5505 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
5506 /*
5507 * This is likely to work even though many drivers do not
5508 * advertise support for operations without GTK.
5509 */
5510 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
5511 } else if (params->group_suite != WPA_CIPHER_NONE) {
5512 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
5513 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
5514 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
5515 return -1;
5516 }
5517
5518 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5519 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5520 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
5521 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
5522 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
5523 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
5524 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5525 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5526 params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5527 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE ||
5528 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
5529 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
5530 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
5531 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
5532 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
5533 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
5534 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 ||
5535 params->key_mgmt_suite == WPA_KEY_MGMT_OWE ||
5536 params->key_mgmt_suite == WPA_KEY_MGMT_DPP) {
5537 int mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
5538
5539 switch (params->key_mgmt_suite) {
5540 case WPA_KEY_MGMT_CCKM:
5541 mgmt = RSN_AUTH_KEY_MGMT_CCKM;
5542 break;
5543 case WPA_KEY_MGMT_IEEE8021X:
5544 mgmt = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
5545 break;
5546 case WPA_KEY_MGMT_FT_IEEE8021X:
5547 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X;
5548 break;
5549 case WPA_KEY_MGMT_FT_PSK:
5550 mgmt = RSN_AUTH_KEY_MGMT_FT_PSK;
5551 break;
5552 case WPA_KEY_MGMT_IEEE8021X_SHA256:
5553 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
5554 break;
5555 case WPA_KEY_MGMT_PSK_SHA256:
5556 mgmt = RSN_AUTH_KEY_MGMT_PSK_SHA256;
5557 break;
5558 case WPA_KEY_MGMT_OSEN:
5559 mgmt = RSN_AUTH_KEY_MGMT_OSEN;
5560 break;
5561 case WPA_KEY_MGMT_SAE:
5562 mgmt = RSN_AUTH_KEY_MGMT_SAE;
5563 break;
5564 case WPA_KEY_MGMT_FT_SAE:
5565 mgmt = RSN_AUTH_KEY_MGMT_FT_SAE;
5566 break;
5567 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
5568 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
5569 break;
5570 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
5571 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
5572 break;
5573 case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
5574 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
5575 break;
5576 case WPA_KEY_MGMT_FILS_SHA256:
5577 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA256;
5578 break;
5579 case WPA_KEY_MGMT_FILS_SHA384:
5580 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA384;
5581 break;
5582 case WPA_KEY_MGMT_FT_FILS_SHA256:
5583 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
5584 break;
5585 case WPA_KEY_MGMT_FT_FILS_SHA384:
5586 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
5587 break;
5588 case WPA_KEY_MGMT_OWE:
5589 mgmt = RSN_AUTH_KEY_MGMT_OWE;
5590 break;
5591 case WPA_KEY_MGMT_DPP:
5592 mgmt = RSN_AUTH_KEY_MGMT_DPP;
5593 break;
5594 case WPA_KEY_MGMT_PSK:
5595 default:
5596 mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
5597 break;
5598 }
5599 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
5600 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
5601 return -1;
5602 }
5603
5604 if (params->req_key_mgmt_offload &&
5605 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) {
5606 wpa_printf(MSG_DEBUG, " * WANT_1X_4WAY_HS");
5607 if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS))
5608 return -1;
5609 }
5610
5611 /* Add PSK in case of 4-way handshake offload */
5612 if (params->psk &&
5613 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) {
5614 wpa_hexdump_key(MSG_DEBUG, " * PSK", params->psk, 32);
5615 if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk))
5616 return -1;
5617 }
5618
5619 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5620 return -1;
5621
5622 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5623 (params->pairwise_suite == WPA_CIPHER_NONE ||
5624 params->pairwise_suite == WPA_CIPHER_WEP104 ||
5625 params->pairwise_suite == WPA_CIPHER_WEP40) &&
5626 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
5627 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
5628 return -1;
5629
5630 if (params->rrm_used) {
5631 u32 drv_rrm_flags = drv->capa.rrm_flags;
5632 if ((!((drv_rrm_flags &
5633 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
5634 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
5635 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
5636 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
5637 return -1;
5638 }
5639
5640 if (nl80211_ht_vht_overrides(msg, params) < 0)
5641 return -1;
5642
5643 if (params->p2p)
5644 wpa_printf(MSG_DEBUG, " * P2P group");
5645
5646 if (params->pbss) {
5647 wpa_printf(MSG_DEBUG, " * PBSS");
5648 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5649 return -1;
5650 }
5651
5652 drv->connect_reassoc = 0;
5653 if (params->prev_bssid) {
5654 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
5655 MAC2STR(params->prev_bssid));
5656 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
5657 params->prev_bssid))
5658 return -1;
5659 drv->connect_reassoc = 1;
5660 }
5661
5662 if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
5663 nl80211_put_fils_connect_params(drv, params, msg) != 0)
5664 return -1;
5665
5666 if ((params->auth_alg & WPA_AUTH_ALG_SAE) &&
5667 (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) &&
5668 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
5669 return -1;
5670
5671 return 0;
5672 }
5673
5674
5675 static int wpa_driver_nl80211_try_connect(
5676 struct wpa_driver_nl80211_data *drv,
5677 struct wpa_driver_associate_params *params,
5678 struct nl_handle *nl_connect)
5679 {
5680 struct nl_msg *msg;
5681 enum nl80211_auth_type type;
5682 int ret;
5683 int algs;
5684
5685 #ifdef CONFIG_DRIVER_NL80211_QCA
5686 if (params->req_key_mgmt_offload && params->psk &&
5687 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5688 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5689 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5690 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5691 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5692 if (ret)
5693 return ret;
5694 }
5695 #endif /* CONFIG_DRIVER_NL80211_QCA */
5696
5697 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5698 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
5699 if (!msg)
5700 return -1;
5701
5702 ret = nl80211_connect_common(drv, params, msg);
5703 if (ret)
5704 goto fail;
5705
5706 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5707 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5708 goto fail;
5709
5710 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL &&
5711 (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) &&
5712 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL))
5713 goto fail;
5714
5715 algs = 0;
5716 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5717 algs++;
5718 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5719 algs++;
5720 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5721 algs++;
5722 if (params->auth_alg & WPA_AUTH_ALG_FILS)
5723 algs++;
5724 if (params->auth_alg & WPA_AUTH_ALG_FT)
5725 algs++;
5726 if (algs > 1) {
5727 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5728 "selection");
5729 goto skip_auth_type;
5730 }
5731
5732 type = get_nl_auth_type(params->auth_alg);
5733 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
5734 if (type == NL80211_AUTHTYPE_MAX ||
5735 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
5736 goto fail;
5737
5738 skip_auth_type:
5739 ret = nl80211_set_conn_keys(params, msg);
5740 if (ret)
5741 goto fail;
5742
5743 if (nl_connect)
5744 ret = send_and_recv(drv->global, nl_connect, msg,
5745 NULL, (void *) -1);
5746 else
5747 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
5748
5749 msg = NULL;
5750 if (ret) {
5751 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5752 "(%s)", ret, strerror(-ret));
5753 } else {
5754 wpa_printf(MSG_DEBUG,
5755 "nl80211: Connect request send successfully");
5756 }
5757
5758 fail:
5759 nl80211_nlmsg_clear(msg);
5760 nlmsg_free(msg);
5761 return ret;
5762
5763 }
5764
5765
5766 static int wpa_driver_nl80211_connect(
5767 struct wpa_driver_nl80211_data *drv,
5768 struct wpa_driver_associate_params *params,
5769 struct nl_handle *nl_connect)
5770 {
5771 int ret;
5772
5773 /* Store the connection attempted bssid for future use */
5774 if (params->bssid)
5775 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5776 else
5777 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5778
5779 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
5780 if (ret == -EALREADY) {
5781 /*
5782 * cfg80211 does not currently accept new connections if
5783 * we are already connected. As a workaround, force
5784 * disconnection and try again.
5785 */
5786 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5787 "disconnecting before reassociation "
5788 "attempt");
5789 if (wpa_driver_nl80211_disconnect(
5790 drv, WLAN_REASON_PREV_AUTH_NOT_VALID, nl_connect))
5791 return -1;
5792 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
5793 }
5794 return ret;
5795 }
5796
5797
5798 static int wpa_driver_nl80211_associate(
5799 void *priv, struct wpa_driver_associate_params *params)
5800 {
5801 struct i802_bss *bss = priv;
5802 struct wpa_driver_nl80211_data *drv = bss->drv;
5803 int ret = -1;
5804 struct nl_msg *msg;
5805
5806 nl80211_unmask_11b_rates(bss);
5807
5808 if (params->mode == IEEE80211_MODE_AP)
5809 return wpa_driver_nl80211_ap(drv, params);
5810
5811 if (params->mode == IEEE80211_MODE_IBSS)
5812 return wpa_driver_nl80211_ibss(drv, params);
5813
5814 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
5815 enum nl80211_iftype nlmode = params->p2p ?
5816 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5817 struct nl_handle *nl_connect = NULL;
5818
5819 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
5820 return -1;
5821 if (params->auth_alg & WPA_AUTH_ALG_SAE) {
5822 nl_connect = bss->nl_connect;
5823 bss->use_nl_connect = 1;
5824 } else {
5825 bss->use_nl_connect = 0;
5826 }
5827
5828 return wpa_driver_nl80211_connect(drv, params, nl_connect);
5829 }
5830
5831 nl80211_mark_disconnected(drv);
5832
5833 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
5834 drv->ifindex);
5835 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
5836 if (!msg)
5837 return -1;
5838
5839 ret = nl80211_connect_common(drv, params, msg);
5840 if (ret)
5841 goto fail;
5842
5843 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5844 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5845 goto fail;
5846
5847 if (params->fils_kek) {
5848 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
5849 (unsigned int) params->fils_kek_len);
5850 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
5851 params->fils_kek))
5852 goto fail;
5853 }
5854 if (params->fils_nonces) {
5855 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
5856 params->fils_nonces,
5857 params->fils_nonces_len);
5858 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
5859 params->fils_nonces_len, params->fils_nonces))
5860 goto fail;
5861 }
5862
5863 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5864 msg = NULL;
5865 if (ret) {
5866 wpa_dbg(drv->ctx, MSG_DEBUG,
5867 "nl80211: MLME command failed (assoc): ret=%d (%s)",
5868 ret, strerror(-ret));
5869 nl80211_dump_scan(drv);
5870 } else {
5871 wpa_printf(MSG_DEBUG,
5872 "nl80211: Association request send successfully");
5873 }
5874
5875 fail:
5876 nlmsg_free(msg);
5877 return ret;
5878 }
5879
5880
5881 static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
5882 int ifindex, enum nl80211_iftype mode)
5883 {
5884 struct nl_msg *msg;
5885 int ret = -ENOBUFS;
5886
5887 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
5888 ifindex, mode, nl80211_iftype_str(mode));
5889
5890 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
5891 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
5892 goto fail;
5893
5894 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5895 msg = NULL;
5896 if (!ret)
5897 return 0;
5898 fail:
5899 nlmsg_free(msg);
5900 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
5901 " %d (%s)", ifindex, mode, ret, strerror(-ret));
5902 return ret;
5903 }
5904
5905
5906 static int wpa_driver_nl80211_set_mode_impl(
5907 struct i802_bss *bss,
5908 enum nl80211_iftype nlmode,
5909 struct hostapd_freq_params *desired_freq_params)
5910 {
5911 struct wpa_driver_nl80211_data *drv = bss->drv;
5912 int ret = -1;
5913 int i;
5914 int was_ap = is_ap_interface(drv->nlmode);
5915 int res;
5916 int mode_switch_res;
5917
5918 if (TEST_FAIL())
5919 return -1;
5920
5921 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5922 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
5923 mode_switch_res = 0;
5924
5925 if (mode_switch_res == 0) {
5926 drv->nlmode = nlmode;
5927 ret = 0;
5928 goto done;
5929 }
5930
5931 if (mode_switch_res == -ENODEV)
5932 return -1;
5933
5934 if (nlmode == drv->nlmode) {
5935 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
5936 "requested mode - ignore error");
5937 ret = 0;
5938 goto done; /* Already in the requested mode */
5939 }
5940
5941 /* mac80211 doesn't allow mode changes while the device is up, so
5942 * take the device down, try to set the mode again, and bring the
5943 * device back up.
5944 */
5945 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
5946 "interface down");
5947 for (i = 0; i < 10; i++) {
5948 res = i802_set_iface_flags(bss, 0);
5949 if (res == -EACCES || res == -ENODEV)
5950 break;
5951 if (res != 0) {
5952 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
5953 "interface down");
5954 os_sleep(0, 100000);
5955 continue;
5956 }
5957
5958 /*
5959 * Setting the mode will fail for some drivers if the phy is
5960 * on a frequency that the mode is disallowed in.
5961 */
5962 if (desired_freq_params) {
5963 res = nl80211_set_channel(bss, desired_freq_params, 0);
5964 if (res) {
5965 wpa_printf(MSG_DEBUG,
5966 "nl80211: Failed to set frequency on interface");
5967 }
5968 }
5969
5970 /* Try to set the mode again while the interface is down */
5971 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5972 if (mode_switch_res == -EBUSY) {
5973 wpa_printf(MSG_DEBUG,
5974 "nl80211: Delaying mode set while interface going down");
5975 os_sleep(0, 100000);
5976 continue;
5977 }
5978 ret = mode_switch_res;
5979 break;
5980 }
5981
5982 if (!ret) {
5983 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
5984 "interface is down");
5985 drv->nlmode = nlmode;
5986 drv->ignore_if_down_event = 1;
5987 }
5988
5989 /* Bring the interface back up */
5990 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
5991 if (res != 0) {
5992 wpa_printf(MSG_DEBUG,
5993 "nl80211: Failed to set interface up after switching mode");
5994 ret = -1;
5995 }
5996
5997 done:
5998 if (ret) {
5999 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
6000 "from %d failed", nlmode, drv->nlmode);
6001 return ret;
6002 }
6003
6004 if (is_p2p_net_interface(nlmode)) {
6005 wpa_printf(MSG_DEBUG,
6006 "nl80211: Interface %s mode change to P2P - disable 11b rates",
6007 bss->ifname);
6008 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
6009 } else if (drv->disabled_11b_rates) {
6010 wpa_printf(MSG_DEBUG,
6011 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
6012 bss->ifname);
6013 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
6014 }
6015
6016 if (is_ap_interface(nlmode)) {
6017 nl80211_mgmt_unsubscribe(bss, "start AP");
6018 /* Setup additional AP mode functionality if needed */
6019 if (nl80211_setup_ap(bss))
6020 return -1;
6021 } else if (was_ap) {
6022 /* Remove additional AP mode functionality */
6023 nl80211_teardown_ap(bss);
6024 } else {
6025 nl80211_mgmt_unsubscribe(bss, "mode change");
6026 }
6027
6028 if (is_mesh_interface(nlmode) &&
6029 nl80211_mgmt_subscribe_mesh(bss))
6030 return -1;
6031
6032 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
6033 !is_mesh_interface(nlmode) &&
6034 nl80211_mgmt_subscribe_non_ap(bss) < 0)
6035 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
6036 "frame processing - ignore for now");
6037
6038 return 0;
6039 }
6040
6041
6042 int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
6043 enum nl80211_iftype nlmode)
6044 {
6045 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
6046 }
6047
6048
6049 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
6050 struct hostapd_freq_params *freq)
6051 {
6052 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
6053 freq);
6054 }
6055
6056
6057 static int wpa_driver_nl80211_get_capa(void *priv,
6058 struct wpa_driver_capa *capa)
6059 {
6060 struct i802_bss *bss = priv;
6061 struct wpa_driver_nl80211_data *drv = bss->drv;
6062
6063 if (!drv->has_capability)
6064 return -1;
6065 os_memcpy(capa, &drv->capa, sizeof(*capa));
6066 if (drv->extended_capa && drv->extended_capa_mask) {
6067 capa->extended_capa = drv->extended_capa;
6068 capa->extended_capa_mask = drv->extended_capa_mask;
6069 capa->extended_capa_len = drv->extended_capa_len;
6070 }
6071
6072 return 0;
6073 }
6074
6075
6076 static int wpa_driver_nl80211_set_operstate(void *priv, int state)
6077 {
6078 struct i802_bss *bss = priv;
6079 struct wpa_driver_nl80211_data *drv = bss->drv;
6080
6081 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
6082 bss->ifname, drv->operstate, state,
6083 state ? "UP" : "DORMANT");
6084 drv->operstate = state;
6085 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
6086 state ? IF_OPER_UP : IF_OPER_DORMANT);
6087 }
6088
6089
6090 static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
6091 {
6092 struct i802_bss *bss = priv;
6093 struct wpa_driver_nl80211_data *drv = bss->drv;
6094 struct nl_msg *msg;
6095 struct nl80211_sta_flag_update upd;
6096 int ret;
6097
6098 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
6099 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
6100 return 0;
6101 }
6102
6103 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
6104 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
6105
6106 os_memset(&upd, 0, sizeof(upd));
6107 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
6108 if (authorized)
6109 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
6110
6111 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
6112 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
6113 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
6114 nlmsg_free(msg);
6115 return -ENOBUFS;
6116 }
6117
6118 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6119 if (!ret)
6120 return 0;
6121 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
6122 ret, strerror(-ret));
6123 return ret;
6124 }
6125
6126
6127 /* Set kernel driver on given frequency (MHz) */
6128 static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
6129 {
6130 struct i802_bss *bss = priv;
6131 return nl80211_set_channel(bss, freq, 0);
6132 }
6133
6134
6135 static inline int min_int(int a, int b)
6136 {
6137 if (a < b)
6138 return a;
6139 return b;
6140 }
6141
6142
6143 static int get_key_handler(struct nl_msg *msg, void *arg)
6144 {
6145 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6146 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6147
6148 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6149 genlmsg_attrlen(gnlh, 0), NULL);
6150
6151 /*
6152 * TODO: validate the key index and mac address!
6153 * Otherwise, there's a race condition as soon as
6154 * the kernel starts sending key notifications.
6155 */
6156
6157 if (tb[NL80211_ATTR_KEY_SEQ])
6158 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
6159 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
6160 nl80211_nlmsg_clear(msg);
6161 return NL_SKIP;
6162 }
6163
6164
6165 static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
6166 int idx, u8 *seq)
6167 {
6168 struct i802_bss *bss = priv;
6169 struct wpa_driver_nl80211_data *drv = bss->drv;
6170 struct nl_msg *msg;
6171
6172 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
6173 NL80211_CMD_GET_KEY);
6174 if (!msg ||
6175 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
6176 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
6177 nlmsg_free(msg);
6178 return -ENOBUFS;
6179 }
6180
6181 memset(seq, 0, 6);
6182
6183 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
6184 }
6185
6186
6187 static int i802_set_rts(void *priv, int rts)
6188 {
6189 struct i802_bss *bss = priv;
6190 struct wpa_driver_nl80211_data *drv = bss->drv;
6191 struct nl_msg *msg;
6192 int ret;
6193 u32 val;
6194
6195 if (rts >= 2347 || rts == -1)
6196 val = (u32) -1;
6197 else
6198 val = rts;
6199
6200 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
6201 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
6202 nlmsg_free(msg);
6203 return -ENOBUFS;
6204 }
6205
6206 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6207 if (!ret)
6208 return 0;
6209 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
6210 "%d (%s)", rts, ret, strerror(-ret));
6211 return ret;
6212 }
6213
6214
6215 static int i802_set_frag(void *priv, int frag)
6216 {
6217 struct i802_bss *bss = priv;
6218 struct wpa_driver_nl80211_data *drv = bss->drv;
6219 struct nl_msg *msg;
6220 int ret;
6221 u32 val;
6222
6223 if (frag >= 2346 || frag == -1)
6224 val = (u32) -1;
6225 else
6226 val = frag;
6227
6228 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
6229 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
6230 nlmsg_free(msg);
6231 return -ENOBUFS;
6232 }
6233
6234 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6235 if (!ret)
6236 return 0;
6237 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
6238 "%d: %d (%s)", frag, ret, strerror(-ret));
6239 return ret;
6240 }
6241
6242
6243 static int i802_flush(void *priv)
6244 {
6245 struct i802_bss *bss = priv;
6246 struct nl_msg *msg;
6247 int res;
6248
6249 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
6250 bss->ifname);
6251
6252 /*
6253 * XXX: FIX! this needs to flush all VLANs too
6254 */
6255 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
6256 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
6257 if (res) {
6258 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
6259 "(%s)", res, strerror(-res));
6260 }
6261 return res;
6262 }
6263
6264
6265 static void get_sta_tid_stats(struct hostap_sta_driver_data *data,
6266 struct nlattr *attr)
6267 {
6268 struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr;
6269 struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1];
6270 static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = {
6271 [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 },
6272 [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 },
6273 };
6274 int rem;
6275
6276 nla_for_each_nested(tidattr, attr, rem) {
6277 if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX,
6278 tidattr, NULL) != 0 ||
6279 !tid_stats[NL80211_TID_STATS_TXQ_STATS] ||
6280 nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX,
6281 tid_stats[NL80211_TID_STATS_TXQ_STATS],
6282 txq_stats_policy) != 0)
6283 continue;
6284 /* sum the backlogs over all TIDs for station */
6285 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES])
6286 data->backlog_bytes += nla_get_u32(
6287 txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]);
6288 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS])
6289 data->backlog_bytes += nla_get_u32(
6290 txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]);
6291 }
6292 }
6293
6294
6295 static int get_sta_handler(struct nl_msg *msg, void *arg)
6296 {
6297 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6298 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6299 struct hostap_sta_driver_data *data = arg;
6300 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
6301 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
6302 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
6303 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
6304 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
6305 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
6306 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
6307 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
6308 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
6309 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
6310 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
6311 [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 },
6312 [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
6313 [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 },
6314 };
6315 struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
6316 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
6317 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
6318 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
6319 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
6320 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
6321 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
6322 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
6323 };
6324
6325 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6326 genlmsg_attrlen(gnlh, 0), NULL);
6327
6328 /*
6329 * TODO: validate the interface and mac address!
6330 * Otherwise, there's a race condition as soon as
6331 * the kernel starts sending station notifications.
6332 */
6333
6334 if (!tb[NL80211_ATTR_STA_INFO]) {
6335 wpa_printf(MSG_DEBUG, "sta stats missing!");
6336 return NL_SKIP;
6337 }
6338 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
6339 tb[NL80211_ATTR_STA_INFO],
6340 stats_policy)) {
6341 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
6342 return NL_SKIP;
6343 }
6344
6345 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
6346 data->inactive_msec =
6347 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
6348 /* For backwards compatibility, fetch the 32-bit counters first. */
6349 if (stats[NL80211_STA_INFO_RX_BYTES])
6350 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
6351 if (stats[NL80211_STA_INFO_TX_BYTES])
6352 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
6353 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
6354 stats[NL80211_STA_INFO_TX_BYTES64]) {
6355 /*
6356 * The driver supports 64-bit counters, so use them to override
6357 * the 32-bit values.
6358 */
6359 data->rx_bytes =
6360 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
6361 data->tx_bytes =
6362 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
6363 data->bytes_64bit = 1;
6364 }
6365 if (stats[NL80211_STA_INFO_RX_PACKETS])
6366 data->rx_packets =
6367 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
6368 if (stats[NL80211_STA_INFO_TX_PACKETS])
6369 data->tx_packets =
6370 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
6371 if (stats[NL80211_STA_INFO_RX_DURATION])
6372 data->rx_airtime =
6373 nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]);
6374 if (stats[NL80211_STA_INFO_TX_DURATION])
6375 data->tx_airtime =
6376 nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]);
6377 if (stats[NL80211_STA_INFO_TX_FAILED])
6378 data->tx_retry_failed =
6379 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
6380 if (stats[NL80211_STA_INFO_SIGNAL])
6381 data->signal = nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
6382 if (stats[NL80211_STA_INFO_ACK_SIGNAL]) {
6383 data->last_ack_rssi =
6384 nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]);
6385 data->flags |= STA_DRV_DATA_LAST_ACK_RSSI;
6386 }
6387
6388 if (stats[NL80211_STA_INFO_TX_BITRATE] &&
6389 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6390 stats[NL80211_STA_INFO_TX_BITRATE],
6391 rate_policy) == 0) {
6392 if (rate[NL80211_RATE_INFO_BITRATE32])
6393 data->current_tx_rate =
6394 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6395 else if (rate[NL80211_RATE_INFO_BITRATE])
6396 data->current_tx_rate =
6397 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6398
6399 if (rate[NL80211_RATE_INFO_MCS]) {
6400 data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6401 data->flags |= STA_DRV_DATA_TX_MCS;
6402 }
6403 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6404 data->tx_vhtmcs =
6405 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6406 data->flags |= STA_DRV_DATA_TX_VHT_MCS;
6407 }
6408 if (rate[NL80211_RATE_INFO_SHORT_GI])
6409 data->flags |= STA_DRV_DATA_TX_SHORT_GI;
6410 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6411 data->tx_vht_nss =
6412 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6413 data->flags |= STA_DRV_DATA_TX_VHT_NSS;
6414 }
6415 }
6416
6417 if (stats[NL80211_STA_INFO_RX_BITRATE] &&
6418 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6419 stats[NL80211_STA_INFO_RX_BITRATE],
6420 rate_policy) == 0) {
6421 if (rate[NL80211_RATE_INFO_BITRATE32])
6422 data->current_rx_rate =
6423 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6424 else if (rate[NL80211_RATE_INFO_BITRATE])
6425 data->current_rx_rate =
6426 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6427
6428 if (rate[NL80211_RATE_INFO_MCS]) {
6429 data->rx_mcs =
6430 nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6431 data->flags |= STA_DRV_DATA_RX_MCS;
6432 }
6433 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6434 data->rx_vhtmcs =
6435 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6436 data->flags |= STA_DRV_DATA_RX_VHT_MCS;
6437 }
6438 if (rate[NL80211_RATE_INFO_SHORT_GI])
6439 data->flags |= STA_DRV_DATA_RX_SHORT_GI;
6440 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6441 data->rx_vht_nss =
6442 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6443 data->flags |= STA_DRV_DATA_RX_VHT_NSS;
6444 }
6445 }
6446
6447 if (stats[NL80211_STA_INFO_TID_STATS])
6448 get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]);
6449
6450 return NL_SKIP;
6451 }
6452
6453 static int i802_read_sta_data(struct i802_bss *bss,
6454 struct hostap_sta_driver_data *data,
6455 const u8 *addr)
6456 {
6457 struct nl_msg *msg;
6458
6459 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
6460 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
6461 nlmsg_free(msg);
6462 return -ENOBUFS;
6463 }
6464
6465 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
6466 }
6467
6468
6469 static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
6470 int cw_min, int cw_max, int burst_time)
6471 {
6472 struct i802_bss *bss = priv;
6473 struct wpa_driver_nl80211_data *drv = bss->drv;
6474 struct nl_msg *msg;
6475 struct nlattr *txq, *params;
6476 int res;
6477
6478 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
6479 if (!msg)
6480 return -1;
6481
6482 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
6483 if (!txq)
6484 goto fail;
6485
6486 /* We are only sending parameters for a single TXQ at a time */
6487 params = nla_nest_start(msg, 1);
6488 if (!params)
6489 goto fail;
6490
6491 switch (queue) {
6492 case 0:
6493 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
6494 goto fail;
6495 break;
6496 case 1:
6497 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
6498 goto fail;
6499 break;
6500 case 2:
6501 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
6502 goto fail;
6503 break;
6504 case 3:
6505 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
6506 goto fail;
6507 break;
6508 }
6509 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
6510 * 32 usec, so need to convert the value here. */
6511 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
6512 (burst_time * 100 + 16) / 32) ||
6513 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
6514 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
6515 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
6516 goto fail;
6517
6518 nla_nest_end(msg, params);
6519
6520 nla_nest_end(msg, txq);
6521
6522 res = send_and_recv_msgs(drv, msg, NULL, NULL);
6523 wpa_printf(MSG_DEBUG,
6524 "nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
6525 queue, aifs, cw_min, cw_max, burst_time, res);
6526 if (res == 0)
6527 return 0;
6528 msg = NULL;
6529 fail:
6530 nlmsg_free(msg);
6531 return -1;
6532 }
6533
6534
6535 static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
6536 const char *ifname, int vlan_id)
6537 {
6538 struct wpa_driver_nl80211_data *drv = bss->drv;
6539 struct nl_msg *msg;
6540 int ret;
6541
6542 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
6543 ", ifname=%s[%d], vlan_id=%d)",
6544 bss->ifname, if_nametoindex(bss->ifname),
6545 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
6546 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
6547 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6548 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
6549 nlmsg_free(msg);
6550 return -ENOBUFS;
6551 }
6552
6553 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6554 if (ret < 0) {
6555 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
6556 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
6557 MAC2STR(addr), ifname, vlan_id, ret,
6558 strerror(-ret));
6559 }
6560 return ret;
6561 }
6562
6563
6564 static int i802_get_inact_sec(void *priv, const u8 *addr)
6565 {
6566 struct hostap_sta_driver_data data;
6567 int ret;
6568
6569 os_memset(&data, 0, sizeof(data));
6570 data.inactive_msec = (unsigned long) -1;
6571 ret = i802_read_sta_data(priv, &data, addr);
6572 if (ret == -ENOENT)
6573 return -ENOENT;
6574 if (ret || data.inactive_msec == (unsigned long) -1)
6575 return -1;
6576 return data.inactive_msec / 1000;
6577 }
6578
6579
6580 static int i802_sta_clear_stats(void *priv, const u8 *addr)
6581 {
6582 #if 0
6583 /* TODO */
6584 #endif
6585 return 0;
6586 }
6587
6588
6589 static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
6590 u16 reason)
6591 {
6592 struct i802_bss *bss = priv;
6593 struct wpa_driver_nl80211_data *drv = bss->drv;
6594 struct ieee80211_mgmt mgmt;
6595 u8 channel;
6596
6597 if (ieee80211_freq_to_chan(bss->freq, &channel) ==
6598 HOSTAPD_MODE_IEEE80211AD) {
6599 /* Deauthentication is not used in DMG/IEEE 802.11ad;
6600 * disassociate the STA instead. */
6601 return i802_sta_disassoc(priv, own_addr, addr, reason);
6602 }
6603
6604 if (is_mesh_interface(drv->nlmode))
6605 return -1;
6606
6607 if (drv->device_ap_sme)
6608 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
6609
6610 memset(&mgmt, 0, sizeof(mgmt));
6611 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6612 WLAN_FC_STYPE_DEAUTH);
6613 memcpy(mgmt.da, addr, ETH_ALEN);
6614 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6615 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
6616 mgmt.u.deauth.reason_code = host_to_le16(reason);
6617 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
6618 IEEE80211_HDRLEN +
6619 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
6620 0, NULL, 0);
6621 }
6622
6623
6624 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
6625 u16 reason)
6626 {
6627 struct i802_bss *bss = priv;
6628 struct wpa_driver_nl80211_data *drv = bss->drv;
6629 struct ieee80211_mgmt mgmt;
6630
6631 if (is_mesh_interface(drv->nlmode))
6632 return -1;
6633
6634 if (drv->device_ap_sme)
6635 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
6636
6637 memset(&mgmt, 0, sizeof(mgmt));
6638 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6639 WLAN_FC_STYPE_DISASSOC);
6640 memcpy(mgmt.da, addr, ETH_ALEN);
6641 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6642 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
6643 mgmt.u.disassoc.reason_code = host_to_le16(reason);
6644 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
6645 IEEE80211_HDRLEN +
6646 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
6647 0, NULL, 0);
6648 }
6649
6650
6651 static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
6652 {
6653 char buf[200], *pos, *end;
6654 int i, res;
6655
6656 pos = buf;
6657 end = pos + sizeof(buf);
6658
6659 for (i = 0; i < drv->num_if_indices; i++) {
6660 if (!drv->if_indices[i].ifindex)
6661 continue;
6662 res = os_snprintf(pos, end - pos, " %d(%d)",
6663 drv->if_indices[i].ifindex,
6664 drv->if_indices[i].reason);
6665 if (os_snprintf_error(end - pos, res))
6666 break;
6667 pos += res;
6668 }
6669 *pos = '\0';
6670
6671 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
6672 drv->num_if_indices, buf);
6673 }
6674
6675
6676 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6677 int ifidx_reason)
6678 {
6679 int i;
6680 struct drv_nl80211_if_info *old;
6681
6682 wpa_printf(MSG_DEBUG,
6683 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
6684 ifidx, ifidx_reason);
6685 if (have_ifidx(drv, ifidx, ifidx_reason)) {
6686 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
6687 ifidx);
6688 return;
6689 }
6690 for (i = 0; i < drv->num_if_indices; i++) {
6691 if (drv->if_indices[i].ifindex == 0) {
6692 drv->if_indices[i].ifindex = ifidx;
6693 drv->if_indices[i].reason = ifidx_reason;
6694 dump_ifidx(drv);
6695 return;
6696 }
6697 }
6698
6699 if (drv->if_indices != drv->default_if_indices)
6700 old = drv->if_indices;
6701 else
6702 old = NULL;
6703
6704 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
6705 sizeof(*old));
6706 if (!drv->if_indices) {
6707 if (!old)
6708 drv->if_indices = drv->default_if_indices;
6709 else
6710 drv->if_indices = old;
6711 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
6712 "interfaces");
6713 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
6714 return;
6715 }
6716 if (!old)
6717 os_memcpy(drv->if_indices, drv->default_if_indices,
6718 sizeof(drv->default_if_indices));
6719 drv->if_indices[drv->num_if_indices].ifindex = ifidx;
6720 drv->if_indices[drv->num_if_indices].reason = ifidx_reason;
6721 drv->num_if_indices++;
6722 dump_ifidx(drv);
6723 }
6724
6725
6726 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6727 int ifidx_reason)
6728 {
6729 int i;
6730
6731 for (i = 0; i < drv->num_if_indices; i++) {
6732 if ((drv->if_indices[i].ifindex == ifidx ||
6733 ifidx == IFIDX_ANY) &&
6734 (drv->if_indices[i].reason == ifidx_reason ||
6735 ifidx_reason == IFIDX_ANY)) {
6736 drv->if_indices[i].ifindex = 0;
6737 drv->if_indices[i].reason = 0;
6738 break;
6739 }
6740 }
6741 dump_ifidx(drv);
6742 }
6743
6744
6745 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6746 int ifidx_reason)
6747 {
6748 int i;
6749
6750 for (i = 0; i < drv->num_if_indices; i++)
6751 if (drv->if_indices[i].ifindex == ifidx &&
6752 (drv->if_indices[i].reason == ifidx_reason ||
6753 ifidx_reason == IFIDX_ANY))
6754 return 1;
6755
6756 return 0;
6757 }
6758
6759
6760 static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
6761 const char *bridge_ifname, char *ifname_wds)
6762 {
6763 struct i802_bss *bss = priv;
6764 struct wpa_driver_nl80211_data *drv = bss->drv;
6765 char name[IFNAMSIZ + 1];
6766 union wpa_event_data event;
6767 int ret;
6768
6769 ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
6770 if (ret >= (int) sizeof(name))
6771 wpa_printf(MSG_WARNING,
6772 "nl80211: WDS interface name was truncated");
6773 else if (ret < 0)
6774 return ret;
6775
6776 if (ifname_wds)
6777 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
6778
6779 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
6780 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
6781 if (val) {
6782 if (!if_nametoindex(name)) {
6783 if (nl80211_create_iface(drv, name,
6784 NL80211_IFTYPE_AP_VLAN,
6785 bss->addr, 1, NULL, NULL, 0) <
6786 0)
6787 return -1;
6788 if (bridge_ifname &&
6789 linux_br_add_if(drv->global->ioctl_sock,
6790 bridge_ifname, name) < 0)
6791 return -1;
6792
6793 os_memset(&event, 0, sizeof(event));
6794 event.wds_sta_interface.sta_addr = addr;
6795 event.wds_sta_interface.ifname = name;
6796 event.wds_sta_interface.istatus = INTERFACE_ADDED;
6797 wpa_supplicant_event(bss->ctx,
6798 EVENT_WDS_STA_INTERFACE_STATUS,
6799 &event);
6800 }
6801 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
6802 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
6803 "interface %s up", name);
6804 }
6805 return i802_set_sta_vlan(priv, addr, name, 0);
6806 } else {
6807 if (bridge_ifname &&
6808 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
6809 name) < 0)
6810 wpa_printf(MSG_INFO,
6811 "nl80211: Failed to remove interface %s from bridge %s: %s",
6812 name, bridge_ifname, strerror(errno));
6813
6814 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
6815 nl80211_remove_iface(drv, if_nametoindex(name));
6816 os_memset(&event, 0, sizeof(event));
6817 event.wds_sta_interface.sta_addr = addr;
6818 event.wds_sta_interface.ifname = name;
6819 event.wds_sta_interface.istatus = INTERFACE_REMOVED;
6820 wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS,
6821 &event);
6822 return 0;
6823 }
6824 }
6825
6826
6827 static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
6828 {
6829 struct wpa_driver_nl80211_data *drv = eloop_ctx;
6830 struct sockaddr_ll lladdr;
6831 unsigned char buf[3000];
6832 int len;
6833 socklen_t fromlen = sizeof(lladdr);
6834
6835 len = recvfrom(sock, buf, sizeof(buf), 0,
6836 (struct sockaddr *)&lladdr, &fromlen);
6837 if (len < 0) {
6838 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
6839 strerror(errno));
6840 return;
6841 }
6842
6843 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
6844 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
6845 }
6846
6847
6848 static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
6849 struct i802_bss *bss,
6850 const char *brname, const char *ifname)
6851 {
6852 int br_ifindex;
6853 char in_br[IFNAMSIZ];
6854
6855 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6856 br_ifindex = if_nametoindex(brname);
6857 if (br_ifindex == 0) {
6858 /*
6859 * Bridge was configured, but the bridge device does
6860 * not exist. Try to add it now.
6861 */
6862 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
6863 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
6864 "bridge interface %s: %s",
6865 brname, strerror(errno));
6866 return -1;
6867 }
6868 bss->added_bridge = 1;
6869 br_ifindex = if_nametoindex(brname);
6870 add_ifidx(drv, br_ifindex, drv->ifindex);
6871 }
6872 bss->br_ifindex = br_ifindex;
6873
6874 if (linux_br_get(in_br, ifname) == 0) {
6875 if (os_strcmp(in_br, brname) == 0) {
6876 bss->already_in_bridge = 1;
6877 return 0; /* already in the bridge */
6878 }
6879
6880 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
6881 "bridge %s", ifname, in_br);
6882 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
6883 0) {
6884 wpa_printf(MSG_ERROR, "nl80211: Failed to "
6885 "remove interface %s from bridge "
6886 "%s: %s",
6887 ifname, in_br, strerror(errno));
6888 return -1;
6889 }
6890 }
6891
6892 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
6893 ifname, brname);
6894 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
6895 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
6896 "into bridge %s: %s",
6897 ifname, brname, strerror(errno));
6898 return -1;
6899 }
6900 bss->added_if_into_bridge = 1;
6901
6902 return 0;
6903 }
6904
6905
6906 static void *i802_init(struct hostapd_data *hapd,
6907 struct wpa_init_params *params)
6908 {
6909 struct wpa_driver_nl80211_data *drv;
6910 struct i802_bss *bss;
6911 size_t i;
6912 char master_ifname[IFNAMSIZ];
6913 int ifindex, br_ifindex = 0;
6914 int br_added = 0;
6915
6916 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
6917 params->global_priv, 1,
6918 params->bssid, params->driver_params);
6919 if (bss == NULL)
6920 return NULL;
6921
6922 drv = bss->drv;
6923
6924 if (linux_br_get(master_ifname, params->ifname) == 0) {
6925 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
6926 params->ifname, master_ifname);
6927 br_ifindex = if_nametoindex(master_ifname);
6928 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6929 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
6930 linux_master_get(master_ifname, params->ifname) == 0) {
6931 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
6932 params->ifname, master_ifname);
6933 /* start listening for EAPOL on the master interface */
6934 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
6935
6936 /* check if master itself is under bridge */
6937 if (linux_br_get(master_ifname, master_ifname) == 0) {
6938 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
6939 master_ifname);
6940 br_ifindex = if_nametoindex(master_ifname);
6941 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6942 }
6943 } else {
6944 master_ifname[0] = '\0';
6945 }
6946
6947 bss->br_ifindex = br_ifindex;
6948
6949 for (i = 0; i < params->num_bridge; i++) {
6950 if (params->bridge[i]) {
6951 ifindex = if_nametoindex(params->bridge[i]);
6952 if (ifindex)
6953 add_ifidx(drv, ifindex, drv->ifindex);
6954 if (ifindex == br_ifindex)
6955 br_added = 1;
6956 }
6957 }
6958
6959 /* start listening for EAPOL on the default AP interface */
6960 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
6961
6962 if (params->num_bridge && params->bridge[0]) {
6963 if (i802_check_bridge(drv, bss, params->bridge[0],
6964 params->ifname) < 0)
6965 goto failed;
6966 if (os_strcmp(params->bridge[0], master_ifname) != 0)
6967 br_added = 1;
6968 }
6969
6970 if (!br_added && br_ifindex &&
6971 (params->num_bridge == 0 || !params->bridge[0]))
6972 add_ifidx(drv, br_ifindex, drv->ifindex);
6973
6974 #ifdef CONFIG_LIBNL3_ROUTE
6975 if (bss->added_if_into_bridge || bss->already_in_bridge) {
6976 drv->rtnl_sk = nl_socket_alloc();
6977 if (drv->rtnl_sk == NULL) {
6978 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
6979 goto failed;
6980 }
6981
6982 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
6983 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
6984 strerror(errno));
6985 goto failed;
6986 }
6987 }
6988 #endif /* CONFIG_LIBNL3_ROUTE */
6989
6990 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
6991 if (drv->eapol_sock < 0) {
6992 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
6993 strerror(errno));
6994 goto failed;
6995 }
6996
6997 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
6998 {
6999 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
7000 goto failed;
7001 }
7002
7003 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
7004 params->own_addr))
7005 goto failed;
7006 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
7007
7008 memcpy(bss->addr, params->own_addr, ETH_ALEN);
7009
7010 return bss;
7011
7012 failed:
7013 wpa_driver_nl80211_deinit(bss);
7014 return NULL;
7015 }
7016
7017
7018 static void i802_deinit(void *priv)
7019 {
7020 struct i802_bss *bss = priv;
7021 wpa_driver_nl80211_deinit(bss);
7022 }
7023
7024
7025 static enum nl80211_iftype wpa_driver_nl80211_if_type(
7026 enum wpa_driver_if_type type)
7027 {
7028 switch (type) {
7029 case WPA_IF_STATION:
7030 return NL80211_IFTYPE_STATION;
7031 case WPA_IF_P2P_CLIENT:
7032 case WPA_IF_P2P_GROUP:
7033 return NL80211_IFTYPE_P2P_CLIENT;
7034 case WPA_IF_AP_VLAN:
7035 return NL80211_IFTYPE_AP_VLAN;
7036 case WPA_IF_AP_BSS:
7037 return NL80211_IFTYPE_AP;
7038 case WPA_IF_P2P_GO:
7039 return NL80211_IFTYPE_P2P_GO;
7040 case WPA_IF_P2P_DEVICE:
7041 return NL80211_IFTYPE_P2P_DEVICE;
7042 case WPA_IF_MESH:
7043 return NL80211_IFTYPE_MESH_POINT;
7044 default:
7045 return -1;
7046 }
7047 }
7048
7049
7050 static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
7051 {
7052 struct wpa_driver_nl80211_data *drv;
7053 dl_list_for_each(drv, &global->interfaces,
7054 struct wpa_driver_nl80211_data, list) {
7055 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
7056 return 1;
7057 }
7058 return 0;
7059 }
7060
7061
7062 static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
7063 {
7064 unsigned int idx;
7065
7066 if (!drv->global)
7067 return -1;
7068
7069 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
7070 for (idx = 0; idx < 64; idx++) {
7071 new_addr[0] = drv->first_bss->addr[0] | 0x02;
7072 new_addr[0] ^= idx << 2;
7073 if (!nl80211_addr_in_use(drv->global, new_addr))
7074 break;
7075 }
7076 if (idx == 64)
7077 return -1;
7078
7079 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
7080 MACSTR, MAC2STR(new_addr));
7081
7082 return 0;
7083 }
7084
7085
7086 struct wdev_info {
7087 u64 wdev_id;
7088 int wdev_id_set;
7089 u8 macaddr[ETH_ALEN];
7090 };
7091
7092 static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
7093 {
7094 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7095 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7096 struct wdev_info *wi = arg;
7097
7098 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7099 genlmsg_attrlen(gnlh, 0), NULL);
7100 if (tb[NL80211_ATTR_WDEV]) {
7101 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
7102 wi->wdev_id_set = 1;
7103 }
7104
7105 if (tb[NL80211_ATTR_MAC])
7106 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
7107 ETH_ALEN);
7108
7109 return NL_SKIP;
7110 }
7111
7112
7113 static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
7114 const char *ifname, const u8 *addr,
7115 void *bss_ctx, void **drv_priv,
7116 char *force_ifname, u8 *if_addr,
7117 const char *bridge, int use_existing,
7118 int setup_ap)
7119 {
7120 enum nl80211_iftype nlmode;
7121 struct i802_bss *bss = priv;
7122 struct wpa_driver_nl80211_data *drv = bss->drv;
7123 int ifidx;
7124 int added = 1;
7125
7126 if (addr)
7127 os_memcpy(if_addr, addr, ETH_ALEN);
7128 nlmode = wpa_driver_nl80211_if_type(type);
7129 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
7130 struct wdev_info p2pdev_info;
7131
7132 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
7133 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
7134 0, nl80211_wdev_handler,
7135 &p2pdev_info, use_existing);
7136 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
7137 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
7138 ifname);
7139 return -1;
7140 }
7141
7142 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
7143 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
7144 if (!is_zero_ether_addr(p2pdev_info.macaddr))
7145 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
7146 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
7147 ifname,
7148 (long long unsigned int) p2pdev_info.wdev_id);
7149 } else {
7150 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
7151 0, NULL, NULL, use_existing);
7152 if (use_existing && ifidx == -ENFILE) {
7153 added = 0;
7154 ifidx = if_nametoindex(ifname);
7155 } else if (ifidx < 0) {
7156 return -1;
7157 }
7158 }
7159
7160 if (!addr) {
7161 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
7162 os_memcpy(if_addr, bss->addr, ETH_ALEN);
7163 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
7164 ifname, if_addr) < 0) {
7165 if (added)
7166 nl80211_remove_iface(drv, ifidx);
7167 return -1;
7168 }
7169 }
7170
7171 if (!addr &&
7172 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
7173 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
7174 type == WPA_IF_STATION)) {
7175 /* Enforce unique address */
7176 u8 new_addr[ETH_ALEN];
7177
7178 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
7179 new_addr) < 0) {
7180 if (added)
7181 nl80211_remove_iface(drv, ifidx);
7182 return -1;
7183 }
7184 if (nl80211_addr_in_use(drv->global, new_addr)) {
7185 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
7186 "for interface %s type %d", ifname, type);
7187 if (nl80211_vif_addr(drv, new_addr) < 0) {
7188 if (added)
7189 nl80211_remove_iface(drv, ifidx);
7190 return -1;
7191 }
7192 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
7193 new_addr) < 0) {
7194 if (added)
7195 nl80211_remove_iface(drv, ifidx);
7196 return -1;
7197 }
7198 }
7199 os_memcpy(if_addr, new_addr, ETH_ALEN);
7200 }
7201
7202 if (type == WPA_IF_AP_BSS && setup_ap) {
7203 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
7204 if (new_bss == NULL) {
7205 if (added)
7206 nl80211_remove_iface(drv, ifidx);
7207 return -1;
7208 }
7209
7210 if (bridge &&
7211 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
7212 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
7213 "interface %s to a bridge %s",
7214 ifname, bridge);
7215 if (added)
7216 nl80211_remove_iface(drv, ifidx);
7217 os_free(new_bss);
7218 return -1;
7219 }
7220
7221 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
7222 {
7223 if (added)
7224 nl80211_remove_iface(drv, ifidx);
7225 os_free(new_bss);
7226 return -1;
7227 }
7228 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
7229 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
7230 new_bss->ifindex = ifidx;
7231 new_bss->drv = drv;
7232 new_bss->next = drv->first_bss->next;
7233 new_bss->freq = drv->first_bss->freq;
7234 new_bss->ctx = bss_ctx;
7235 new_bss->added_if = added;
7236 drv->first_bss->next = new_bss;
7237 if (drv_priv)
7238 *drv_priv = new_bss;
7239 nl80211_init_bss(new_bss);
7240
7241 /* Subscribe management frames for this WPA_IF_AP_BSS */
7242 if (nl80211_setup_ap(new_bss))
7243 return -1;
7244 }
7245
7246 if (drv->global)
7247 drv->global->if_add_ifindex = ifidx;
7248
7249 /*
7250 * Some virtual interfaces need to process EAPOL packets and events on
7251 * the parent interface. This is used mainly with hostapd.
7252 */
7253 if (ifidx > 0 &&
7254 (drv->hostapd ||
7255 nlmode == NL80211_IFTYPE_AP_VLAN ||
7256 nlmode == NL80211_IFTYPE_WDS ||
7257 nlmode == NL80211_IFTYPE_MONITOR))
7258 add_ifidx(drv, ifidx, IFIDX_ANY);
7259
7260 return 0;
7261 }
7262
7263
7264 static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
7265 enum wpa_driver_if_type type,
7266 const char *ifname)
7267 {
7268 struct wpa_driver_nl80211_data *drv = bss->drv;
7269 int ifindex = if_nametoindex(ifname);
7270
7271 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
7272 __func__, type, ifname, ifindex, bss->added_if);
7273 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
7274 nl80211_remove_iface(drv, ifindex);
7275 else if (ifindex > 0 && !bss->added_if) {
7276 struct wpa_driver_nl80211_data *drv2;
7277 dl_list_for_each(drv2, &drv->global->interfaces,
7278 struct wpa_driver_nl80211_data, list) {
7279 del_ifidx(drv2, ifindex, IFIDX_ANY);
7280 del_ifidx(drv2, IFIDX_ANY, ifindex);
7281 }
7282 }
7283
7284 if (type != WPA_IF_AP_BSS)
7285 return 0;
7286
7287 if (bss->added_if_into_bridge) {
7288 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
7289 bss->ifname) < 0)
7290 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7291 "interface %s from bridge %s: %s",
7292 bss->ifname, bss->brname, strerror(errno));
7293 }
7294 if (bss->added_bridge) {
7295 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
7296 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7297 "bridge %s: %s",
7298 bss->brname, strerror(errno));
7299 }
7300
7301 if (bss != drv->first_bss) {
7302 struct i802_bss *tbss;
7303
7304 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
7305 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
7306 if (tbss->next == bss) {
7307 tbss->next = bss->next;
7308 /* Unsubscribe management frames */
7309 nl80211_teardown_ap(bss);
7310 nl80211_destroy_bss(bss);
7311 if (!bss->added_if)
7312 i802_set_iface_flags(bss, 0);
7313 os_free(bss);
7314 bss = NULL;
7315 break;
7316 }
7317 }
7318 if (bss)
7319 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
7320 "BSS %p in the list", __func__, bss);
7321 } else {
7322 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
7323 nl80211_teardown_ap(bss);
7324 if (!bss->added_if && !drv->first_bss->next)
7325 wpa_driver_nl80211_del_beacon(bss);
7326 nl80211_destroy_bss(bss);
7327 if (!bss->added_if)
7328 i802_set_iface_flags(bss, 0);
7329 if (drv->first_bss->next) {
7330 drv->first_bss = drv->first_bss->next;
7331 drv->ctx = drv->first_bss->ctx;
7332 os_free(bss);
7333 } else {
7334 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
7335 }
7336 }
7337
7338 return 0;
7339 }
7340
7341
7342 static int cookie_handler(struct nl_msg *msg, void *arg)
7343 {
7344 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7345 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7346 u64 *cookie = arg;
7347 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7348 genlmsg_attrlen(gnlh, 0), NULL);
7349 if (tb[NL80211_ATTR_COOKIE])
7350 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
7351 return NL_SKIP;
7352 }
7353
7354
7355 static int nl80211_send_frame_cmd(struct i802_bss *bss,
7356 unsigned int freq, unsigned int wait,
7357 const u8 *buf, size_t buf_len,
7358 u64 *cookie_out, int no_cck, int no_ack,
7359 int offchanok, const u16 *csa_offs,
7360 size_t csa_offs_len)
7361 {
7362 struct wpa_driver_nl80211_data *drv = bss->drv;
7363 struct nl_msg *msg;
7364 u64 cookie;
7365 int ret = -1;
7366
7367 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
7368 "no_ack=%d offchanok=%d",
7369 freq, wait, no_cck, no_ack, offchanok);
7370 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
7371
7372 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
7373 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
7374 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
7375 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7376 drv->test_use_roc_tx) &&
7377 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
7378 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
7379 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
7380 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
7381 csa_offs_len * sizeof(u16), csa_offs)) ||
7382 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
7383 goto fail;
7384
7385 cookie = 0;
7386 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7387 msg = NULL;
7388 if (ret) {
7389 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
7390 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
7391 freq, wait);
7392 } else {
7393 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
7394 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
7395 (long long unsigned int) cookie);
7396
7397 if (cookie_out)
7398 *cookie_out = no_ack ? (u64) -1 : cookie;
7399
7400 if (drv->num_send_action_cookies == MAX_SEND_ACTION_COOKIES) {
7401 wpa_printf(MSG_DEBUG,
7402 "nl80211: Drop oldest pending send action cookie 0x%llx",
7403 (long long unsigned int)
7404 drv->send_action_cookies[0]);
7405 os_memmove(&drv->send_action_cookies[0],
7406 &drv->send_action_cookies[1],
7407 (MAX_SEND_ACTION_COOKIES - 1) *
7408 sizeof(u64));
7409 drv->num_send_action_cookies--;
7410 }
7411 drv->send_action_cookies[drv->num_send_action_cookies] = cookie;
7412 drv->num_send_action_cookies++;
7413 }
7414
7415 fail:
7416 nlmsg_free(msg);
7417 return ret;
7418 }
7419
7420
7421 static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
7422 unsigned int freq,
7423 unsigned int wait_time,
7424 const u8 *dst, const u8 *src,
7425 const u8 *bssid,
7426 const u8 *data, size_t data_len,
7427 int no_cck)
7428 {
7429 struct wpa_driver_nl80211_data *drv = bss->drv;
7430 int ret = -1;
7431 u8 *buf;
7432 struct ieee80211_hdr *hdr;
7433
7434 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
7435 "freq=%u MHz wait=%d ms no_cck=%d)",
7436 drv->ifindex, freq, wait_time, no_cck);
7437
7438 buf = os_zalloc(24 + data_len);
7439 if (buf == NULL)
7440 return ret;
7441 os_memcpy(buf + 24, data, data_len);
7442 hdr = (struct ieee80211_hdr *) buf;
7443 hdr->frame_control =
7444 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
7445 os_memcpy(hdr->addr1, dst, ETH_ALEN);
7446 os_memcpy(hdr->addr2, src, ETH_ALEN);
7447 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
7448
7449 if (os_memcmp(bss->addr, src, ETH_ALEN) != 0) {
7450 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
7451 MAC2STR(src));
7452 os_memcpy(bss->rand_addr, src, ETH_ALEN);
7453 } else {
7454 os_memset(bss->rand_addr, 0, ETH_ALEN);
7455 }
7456
7457 if (is_ap_interface(drv->nlmode) &&
7458 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7459 (int) freq == bss->freq || drv->device_ap_sme ||
7460 !drv->use_monitor))
7461 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
7462 0, freq, no_cck, 1,
7463 wait_time, NULL, 0);
7464 else
7465 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
7466 24 + data_len,
7467 &drv->send_action_cookie,
7468 no_cck, 0, 1, NULL, 0);
7469
7470 os_free(buf);
7471 return ret;
7472 }
7473
7474
7475 static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
7476 {
7477 struct wpa_driver_nl80211_data *drv = bss->drv;
7478 struct nl_msg *msg;
7479 int ret;
7480
7481 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
7482 (long long unsigned int) cookie);
7483 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
7484 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
7485 nlmsg_free(msg);
7486 return;
7487 }
7488
7489 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7490 if (ret)
7491 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
7492 "(%s)", ret, strerror(-ret));
7493 }
7494
7495
7496 static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
7497 {
7498 struct i802_bss *bss = priv;
7499 struct wpa_driver_nl80211_data *drv = bss->drv;
7500 unsigned int i;
7501 u64 cookie;
7502
7503 /* Cancel the last pending TX cookie */
7504 nl80211_frame_wait_cancel(bss, drv->send_action_cookie);
7505
7506 /*
7507 * Cancel the other pending TX cookies, if any. This is needed since
7508 * the driver may keep a list of all pending offchannel TX operations
7509 * and free up the radio only once they have expired or cancelled.
7510 */
7511 for (i = drv->num_send_action_cookies; i > 0; i--) {
7512 cookie = drv->send_action_cookies[i - 1];
7513 if (cookie != drv->send_action_cookie)
7514 nl80211_frame_wait_cancel(bss, cookie);
7515 }
7516 drv->num_send_action_cookies = 0;
7517 }
7518
7519
7520 static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
7521 unsigned int duration)
7522 {
7523 struct i802_bss *bss = priv;
7524 struct wpa_driver_nl80211_data *drv = bss->drv;
7525 struct nl_msg *msg;
7526 int ret;
7527 u64 cookie;
7528
7529 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
7530 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
7531 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
7532 nlmsg_free(msg);
7533 return -1;
7534 }
7535
7536 cookie = 0;
7537 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7538 if (ret == 0) {
7539 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
7540 "0x%llx for freq=%u MHz duration=%u",
7541 (long long unsigned int) cookie, freq, duration);
7542 drv->remain_on_chan_cookie = cookie;
7543 drv->pending_remain_on_chan = 1;
7544 return 0;
7545 }
7546 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
7547 "(freq=%d duration=%u): %d (%s)",
7548 freq, duration, ret, strerror(-ret));
7549 return -1;
7550 }
7551
7552
7553 static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
7554 {
7555 struct i802_bss *bss = priv;
7556 struct wpa_driver_nl80211_data *drv = bss->drv;
7557 struct nl_msg *msg;
7558 int ret;
7559
7560 if (!drv->pending_remain_on_chan) {
7561 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
7562 "to cancel");
7563 return -1;
7564 }
7565
7566 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
7567 "0x%llx",
7568 (long long unsigned int) drv->remain_on_chan_cookie);
7569
7570 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
7571 if (!msg ||
7572 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
7573 nlmsg_free(msg);
7574 return -1;
7575 }
7576
7577 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7578 if (ret == 0)
7579 return 0;
7580 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
7581 "%d (%s)", ret, strerror(-ret));
7582 return -1;
7583 }
7584
7585
7586 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
7587 {
7588 struct wpa_driver_nl80211_data *drv = bss->drv;
7589
7590 if (!report) {
7591 if (bss->nl_preq && drv->device_ap_sme &&
7592 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
7593 !bss->static_ap) {
7594 /*
7595 * Do not disable Probe Request reporting that was
7596 * enabled in nl80211_setup_ap().
7597 */
7598 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
7599 "Probe Request reporting nl_preq=%p while "
7600 "in AP mode", bss->nl_preq);
7601 } else if (bss->nl_preq) {
7602 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
7603 "reporting nl_preq=%p", bss->nl_preq);
7604 nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
7605 }
7606 return 0;
7607 }
7608
7609 if (bss->nl_preq) {
7610 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
7611 "already on! nl_preq=%p", bss->nl_preq);
7612 return 0;
7613 }
7614
7615 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
7616 if (bss->nl_preq == NULL)
7617 return -1;
7618 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
7619 "reporting nl_preq=%p", bss->nl_preq);
7620
7621 if (nl80211_register_frame(bss, bss->nl_preq,
7622 (WLAN_FC_TYPE_MGMT << 2) |
7623 (WLAN_FC_STYPE_PROBE_REQ << 4),
7624 NULL, 0) < 0)
7625 goto out_err;
7626
7627 nl80211_register_eloop_read(&bss->nl_preq,
7628 wpa_driver_nl80211_event_receive,
7629 bss->nl_cb, 0);
7630
7631 return 0;
7632
7633 out_err:
7634 nl_destroy_handles(&bss->nl_preq);
7635 return -1;
7636 }
7637
7638
7639 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
7640 int ifindex, int disabled)
7641 {
7642 struct nl_msg *msg;
7643 struct nlattr *bands, *band;
7644 int ret;
7645
7646 wpa_printf(MSG_DEBUG,
7647 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
7648 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
7649 "no NL80211_TXRATE_LEGACY constraint");
7650
7651 msg = nl80211_ifindex_msg(drv, ifindex, 0,
7652 NL80211_CMD_SET_TX_BITRATE_MASK);
7653 if (!msg)
7654 return -1;
7655
7656 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
7657 if (!bands)
7658 goto fail;
7659
7660 /*
7661 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
7662 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
7663 * rates. All 5 GHz rates are left enabled.
7664 */
7665 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
7666 if (!band ||
7667 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
7668 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
7669 goto fail;
7670 nla_nest_end(msg, band);
7671
7672 nla_nest_end(msg, bands);
7673
7674 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7675 if (ret) {
7676 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
7677 "(%s)", ret, strerror(-ret));
7678 } else
7679 drv->disabled_11b_rates = disabled;
7680
7681 return ret;
7682
7683 fail:
7684 nlmsg_free(msg);
7685 return -1;
7686 }
7687
7688
7689 static int wpa_driver_nl80211_deinit_ap(void *priv)
7690 {
7691 struct i802_bss *bss = priv;
7692 struct wpa_driver_nl80211_data *drv = bss->drv;
7693 if (!is_ap_interface(drv->nlmode))
7694 return -1;
7695 wpa_driver_nl80211_del_beacon(bss);
7696 bss->beacon_set = 0;
7697
7698 /*
7699 * If the P2P GO interface was dynamically added, then it is
7700 * possible that the interface change to station is not possible.
7701 */
7702 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
7703 return 0;
7704
7705 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7706 }
7707
7708
7709 static int wpa_driver_nl80211_stop_ap(void *priv)
7710 {
7711 struct i802_bss *bss = priv;
7712 struct wpa_driver_nl80211_data *drv = bss->drv;
7713 if (!is_ap_interface(drv->nlmode))
7714 return -1;
7715 wpa_driver_nl80211_del_beacon(bss);
7716 bss->beacon_set = 0;
7717 return 0;
7718 }
7719
7720
7721 static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
7722 {
7723 struct i802_bss *bss = priv;
7724 struct wpa_driver_nl80211_data *drv = bss->drv;
7725 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
7726 return -1;
7727
7728 /*
7729 * If the P2P Client interface was dynamically added, then it is
7730 * possible that the interface change to station is not possible.
7731 */
7732 if (bss->if_dynamic)
7733 return 0;
7734
7735 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7736 }
7737
7738
7739 static void wpa_driver_nl80211_resume(void *priv)
7740 {
7741 struct i802_bss *bss = priv;
7742 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
7743
7744 if (i802_set_iface_flags(bss, 1))
7745 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
7746
7747 if (is_p2p_net_interface(nlmode))
7748 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
7749 }
7750
7751
7752 static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
7753 {
7754 struct i802_bss *bss = priv;
7755 struct wpa_driver_nl80211_data *drv = bss->drv;
7756 struct nl_msg *msg;
7757 struct nlattr *cqm;
7758
7759 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
7760 "hysteresis=%d", threshold, hysteresis);
7761
7762 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
7763 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
7764 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
7765 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
7766 nlmsg_free(msg);
7767 return -1;
7768 }
7769 nla_nest_end(msg, cqm);
7770
7771 return send_and_recv_msgs(drv, msg, NULL, NULL);
7772 }
7773
7774
7775 static int get_channel_width(struct nl_msg *msg, void *arg)
7776 {
7777 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7778 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7779 struct wpa_signal_info *sig_change = arg;
7780
7781 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7782 genlmsg_attrlen(gnlh, 0), NULL);
7783
7784 sig_change->center_frq1 = -1;
7785 sig_change->center_frq2 = -1;
7786 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
7787
7788 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
7789 sig_change->chanwidth = convert2width(
7790 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
7791 if (tb[NL80211_ATTR_CENTER_FREQ1])
7792 sig_change->center_frq1 =
7793 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
7794 if (tb[NL80211_ATTR_CENTER_FREQ2])
7795 sig_change->center_frq2 =
7796 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
7797 }
7798
7799 return NL_SKIP;
7800 }
7801
7802
7803 static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
7804 struct wpa_signal_info *sig)
7805 {
7806 struct nl_msg *msg;
7807
7808 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
7809 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
7810 }
7811
7812
7813 static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
7814 {
7815 struct i802_bss *bss = priv;
7816 struct wpa_driver_nl80211_data *drv = bss->drv;
7817 int res;
7818
7819 os_memset(si, 0, sizeof(*si));
7820 res = nl80211_get_link_signal(drv, si);
7821 if (res) {
7822 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
7823 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
7824 return res;
7825 si->current_signal = 0;
7826 }
7827
7828 res = nl80211_get_channel_width(drv, si);
7829 if (res != 0)
7830 return res;
7831
7832 return nl80211_get_link_noise(drv, si);
7833 }
7834
7835
7836 static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
7837 int encrypt)
7838 {
7839 struct i802_bss *bss = priv;
7840 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
7841 0, 0, 0, 0, NULL, 0);
7842 }
7843
7844
7845 static int nl80211_set_param(void *priv, const char *param)
7846 {
7847 struct i802_bss *bss = priv;
7848 struct wpa_driver_nl80211_data *drv = bss->drv;
7849
7850 if (param == NULL)
7851 return 0;
7852 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
7853
7854 #ifdef CONFIG_P2P
7855 if (os_strstr(param, "use_p2p_group_interface=1")) {
7856 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
7857 "interface");
7858 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
7859 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
7860 }
7861 #endif /* CONFIG_P2P */
7862
7863 if (os_strstr(param, "use_monitor=1"))
7864 drv->use_monitor = 1;
7865
7866 if (os_strstr(param, "force_connect_cmd=1")) {
7867 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
7868 drv->force_connect_cmd = 1;
7869 }
7870
7871 if (os_strstr(param, "force_bss_selection=1"))
7872 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
7873
7874 if (os_strstr(param, "no_offchannel_tx=1")) {
7875 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
7876 drv->test_use_roc_tx = 1;
7877 }
7878
7879 return 0;
7880 }
7881
7882
7883 static void * nl80211_global_init(void *ctx)
7884 {
7885 struct nl80211_global *global;
7886 struct netlink_config *cfg;
7887
7888 global = os_zalloc(sizeof(*global));
7889 if (global == NULL)
7890 return NULL;
7891 global->ctx = ctx;
7892 global->ioctl_sock = -1;
7893 dl_list_init(&global->interfaces);
7894 global->if_add_ifindex = -1;
7895
7896 cfg = os_zalloc(sizeof(*cfg));
7897 if (cfg == NULL)
7898 goto err;
7899
7900 cfg->ctx = global;
7901 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
7902 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
7903 global->netlink = netlink_init(cfg);
7904 if (global->netlink == NULL) {
7905 os_free(cfg);
7906 goto err;
7907 }
7908
7909 if (wpa_driver_nl80211_init_nl_global(global) < 0)
7910 goto err;
7911
7912 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
7913 if (global->ioctl_sock < 0) {
7914 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
7915 strerror(errno));
7916 goto err;
7917 }
7918
7919 return global;
7920
7921 err:
7922 nl80211_global_deinit(global);
7923 return NULL;
7924 }
7925
7926
7927 static void nl80211_global_deinit(void *priv)
7928 {
7929 struct nl80211_global *global = priv;
7930 if (global == NULL)
7931 return;
7932 if (!dl_list_empty(&global->interfaces)) {
7933 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
7934 "nl80211_global_deinit",
7935 dl_list_len(&global->interfaces));
7936 }
7937
7938 if (global->netlink)
7939 netlink_deinit(global->netlink);
7940
7941 nl_destroy_handles(&global->nl);
7942
7943 if (global->nl_event)
7944 nl80211_destroy_eloop_handle(&global->nl_event, 0);
7945
7946 nl_cb_put(global->nl_cb);
7947
7948 if (global->ioctl_sock >= 0)
7949 close(global->ioctl_sock);
7950
7951 os_free(global);
7952 }
7953
7954
7955 static const char * nl80211_get_radio_name(void *priv)
7956 {
7957 struct i802_bss *bss = priv;
7958 struct wpa_driver_nl80211_data *drv = bss->drv;
7959 return drv->phyname;
7960 }
7961
7962
7963 static int nl80211_pmkid(struct i802_bss *bss, int cmd,
7964 struct wpa_pmkid_params *params)
7965 {
7966 struct nl_msg *msg;
7967 const size_t PMK_MAX_LEN = 48; /* current cfg80211 limit */
7968
7969 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
7970 (params->pmkid &&
7971 nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
7972 (params->bssid &&
7973 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
7974 (params->ssid_len &&
7975 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
7976 (params->fils_cache_id &&
7977 nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
7978 params->fils_cache_id)) ||
7979 (cmd != NL80211_CMD_DEL_PMKSA &&
7980 params->pmk_len && params->pmk_len <= PMK_MAX_LEN &&
7981 nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
7982 nl80211_nlmsg_clear(msg);
7983 nlmsg_free(msg);
7984 return -ENOBUFS;
7985 }
7986
7987 return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1);
7988 }
7989
7990
7991 static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
7992 {
7993 struct i802_bss *bss = priv;
7994 int ret;
7995
7996 if (params->bssid)
7997 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
7998 MAC2STR(params->bssid));
7999 else if (params->fils_cache_id && params->ssid_len) {
8000 wpa_printf(MSG_DEBUG,
8001 "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
8002 params->fils_cache_id[0], params->fils_cache_id[1],
8003 wpa_ssid_txt(params->ssid, params->ssid_len));
8004 }
8005
8006 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params);
8007 if (ret < 0) {
8008 wpa_printf(MSG_DEBUG,
8009 "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)",
8010 ret, strerror(-ret));
8011 }
8012
8013 return ret;
8014 }
8015
8016
8017 static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
8018 {
8019 struct i802_bss *bss = priv;
8020 int ret;
8021
8022 if (params->bssid)
8023 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
8024 MAC2STR(params->bssid));
8025 else if (params->fils_cache_id && params->ssid_len) {
8026 wpa_printf(MSG_DEBUG,
8027 "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
8028 params->fils_cache_id[0], params->fils_cache_id[1],
8029 wpa_ssid_txt(params->ssid, params->ssid_len));
8030 }
8031
8032 ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params);
8033 if (ret < 0) {
8034 wpa_printf(MSG_DEBUG,
8035 "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)",
8036 ret, strerror(-ret));
8037 }
8038
8039 return ret;
8040 }
8041
8042
8043 static int nl80211_flush_pmkid(void *priv)
8044 {
8045 struct i802_bss *bss = priv;
8046 struct nl_msg *msg;
8047
8048 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
8049 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
8050 if (!msg)
8051 return -ENOBUFS;
8052 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8053 }
8054
8055
8056 static void clean_survey_results(struct survey_results *survey_results)
8057 {
8058 struct freq_survey *survey, *tmp;
8059
8060 if (dl_list_empty(&survey_results->survey_list))
8061 return;
8062
8063 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
8064 struct freq_survey, list) {
8065 dl_list_del(&survey->list);
8066 os_free(survey);
8067 }
8068 }
8069
8070
8071 static void add_survey(struct nlattr **sinfo, u32 ifidx,
8072 struct dl_list *survey_list)
8073 {
8074 struct freq_survey *survey;
8075
8076 survey = os_zalloc(sizeof(struct freq_survey));
8077 if (!survey)
8078 return;
8079
8080 survey->ifidx = ifidx;
8081 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8082 survey->filled = 0;
8083
8084 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
8085 survey->nf = (int8_t)
8086 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
8087 survey->filled |= SURVEY_HAS_NF;
8088 }
8089
8090 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
8091 survey->channel_time =
8092 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
8093 survey->filled |= SURVEY_HAS_CHAN_TIME;
8094 }
8095
8096 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
8097 survey->channel_time_busy =
8098 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
8099 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
8100 }
8101
8102 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
8103 survey->channel_time_rx =
8104 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
8105 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
8106 }
8107
8108 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
8109 survey->channel_time_tx =
8110 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
8111 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
8112 }
8113
8114 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)",
8115 survey->freq,
8116 survey->nf,
8117 (unsigned long int) survey->channel_time,
8118 (unsigned long int) survey->channel_time_busy,
8119 (unsigned long int) survey->channel_time_tx,
8120 (unsigned long int) survey->channel_time_rx,
8121 survey->filled);
8122
8123 dl_list_add_tail(survey_list, &survey->list);
8124 }
8125
8126
8127 static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
8128 unsigned int freq_filter)
8129 {
8130 if (!freq_filter)
8131 return 1;
8132
8133 return freq_filter == surveyed_freq;
8134 }
8135
8136
8137 static int survey_handler(struct nl_msg *msg, void *arg)
8138 {
8139 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8140 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8141 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
8142 struct survey_results *survey_results;
8143 u32 surveyed_freq = 0;
8144 u32 ifidx;
8145
8146 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
8147 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
8148 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
8149 };
8150
8151 survey_results = (struct survey_results *) arg;
8152
8153 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8154 genlmsg_attrlen(gnlh, 0), NULL);
8155
8156 if (!tb[NL80211_ATTR_IFINDEX])
8157 return NL_SKIP;
8158
8159 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
8160
8161 if (!tb[NL80211_ATTR_SURVEY_INFO])
8162 return NL_SKIP;
8163
8164 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
8165 tb[NL80211_ATTR_SURVEY_INFO],
8166 survey_policy))
8167 return NL_SKIP;
8168
8169 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
8170 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
8171 return NL_SKIP;
8172 }
8173
8174 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8175
8176 if (!check_survey_ok(sinfo, surveyed_freq,
8177 survey_results->freq_filter))
8178 return NL_SKIP;
8179
8180 if (survey_results->freq_filter &&
8181 survey_results->freq_filter != surveyed_freq) {
8182 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
8183 surveyed_freq);
8184 return NL_SKIP;
8185 }
8186
8187 add_survey(sinfo, ifidx, &survey_results->survey_list);
8188
8189 return NL_SKIP;
8190 }
8191
8192
8193 static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
8194 {
8195 struct i802_bss *bss = priv;
8196 struct wpa_driver_nl80211_data *drv = bss->drv;
8197 struct nl_msg *msg;
8198 int err;
8199 union wpa_event_data data;
8200 struct survey_results *survey_results;
8201
8202 os_memset(&data, 0, sizeof(data));
8203 survey_results = &data.survey_results;
8204
8205 dl_list_init(&survey_results->survey_list);
8206
8207 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
8208 if (!msg)
8209 return -ENOBUFS;
8210
8211 if (freq)
8212 data.survey_results.freq_filter = freq;
8213
8214 do {
8215 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
8216 err = send_and_recv_msgs(drv, msg, survey_handler,
8217 survey_results);
8218 } while (err > 0);
8219
8220 if (err)
8221 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
8222 else
8223 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
8224
8225 clean_survey_results(survey_results);
8226 return err;
8227 }
8228
8229
8230 static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
8231 const u8 *kck, size_t kck_len,
8232 const u8 *replay_ctr)
8233 {
8234 struct i802_bss *bss = priv;
8235 struct wpa_driver_nl80211_data *drv = bss->drv;
8236 struct nlattr *replay_nested;
8237 struct nl_msg *msg;
8238 int ret;
8239
8240 if (!drv->set_rekey_offload)
8241 return;
8242
8243 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
8244 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
8245 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
8246 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
8247 (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
8248 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
8249 replay_ctr)) {
8250 nl80211_nlmsg_clear(msg);
8251 nlmsg_free(msg);
8252 return;
8253 }
8254
8255 nla_nest_end(msg, replay_nested);
8256
8257 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
8258 if (ret == -EOPNOTSUPP) {
8259 wpa_printf(MSG_DEBUG,
8260 "nl80211: Driver does not support rekey offload");
8261 drv->set_rekey_offload = 0;
8262 }
8263 }
8264
8265
8266 static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
8267 const u8 *addr, int qos)
8268 {
8269 /* send data frame to poll STA and check whether
8270 * this frame is ACKed */
8271 struct {
8272 struct ieee80211_hdr hdr;
8273 u16 qos_ctl;
8274 } STRUCT_PACKED nulldata;
8275 size_t size;
8276
8277 /* Send data frame to poll STA and check whether this frame is ACKed */
8278
8279 os_memset(&nulldata, 0, sizeof(nulldata));
8280
8281 if (qos) {
8282 nulldata.hdr.frame_control =
8283 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8284 WLAN_FC_STYPE_QOS_NULL);
8285 size = sizeof(nulldata);
8286 } else {
8287 nulldata.hdr.frame_control =
8288 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8289 WLAN_FC_STYPE_NULLFUNC);
8290 size = sizeof(struct ieee80211_hdr);
8291 }
8292
8293 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
8294 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
8295 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
8296 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
8297
8298 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
8299 0, 0, NULL, 0) < 0)
8300 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
8301 "send poll frame");
8302 }
8303
8304 static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
8305 int qos)
8306 {
8307 struct i802_bss *bss = priv;
8308 struct wpa_driver_nl80211_data *drv = bss->drv;
8309 struct nl_msg *msg;
8310 u64 cookie;
8311 int ret;
8312
8313 if (!drv->poll_command_supported) {
8314 nl80211_send_null_frame(bss, own_addr, addr, qos);
8315 return;
8316 }
8317
8318 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
8319 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8320 nlmsg_free(msg);
8321 return;
8322 }
8323
8324 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
8325 if (ret < 0) {
8326 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
8327 MACSTR " failed: ret=%d (%s)",
8328 MAC2STR(addr), ret, strerror(-ret));
8329 } else {
8330 wpa_printf(MSG_DEBUG,
8331 "nl80211: Client probe request addr=" MACSTR
8332 " cookie=%llu", MAC2STR(addr),
8333 (long long unsigned int) cookie);
8334 }
8335 }
8336
8337
8338 static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
8339 {
8340 struct nl_msg *msg;
8341 int ret;
8342
8343 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
8344 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
8345 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
8346 nlmsg_free(msg);
8347 return -ENOBUFS;
8348 }
8349
8350 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8351 if (ret < 0) {
8352 wpa_printf(MSG_DEBUG,
8353 "nl80211: Setting PS state %s failed: %d (%s)",
8354 enabled ? "enabled" : "disabled",
8355 ret, strerror(-ret));
8356 }
8357 return ret;
8358 }
8359
8360
8361 static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
8362 int ctwindow)
8363 {
8364 struct i802_bss *bss = priv;
8365
8366 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
8367 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
8368
8369 if (opp_ps != -1 || ctwindow != -1) {
8370 #ifdef ANDROID_P2P
8371 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
8372 #else /* ANDROID_P2P */
8373 return -1; /* Not yet supported */
8374 #endif /* ANDROID_P2P */
8375 }
8376
8377 if (legacy_ps == -1)
8378 return 0;
8379 if (legacy_ps != 0 && legacy_ps != 1)
8380 return -1; /* Not yet supported */
8381
8382 return nl80211_set_power_save(bss, legacy_ps);
8383 }
8384
8385
8386 static int nl80211_start_radar_detection(void *priv,
8387 struct hostapd_freq_params *freq)
8388 {
8389 struct i802_bss *bss = priv;
8390 struct wpa_driver_nl80211_data *drv = bss->drv;
8391 struct nl_msg *msg;
8392 int ret;
8393
8394 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
8395 freq->freq, freq->ht_enabled, freq->vht_enabled,
8396 freq->bandwidth, freq->center_freq1, freq->center_freq2);
8397
8398 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
8399 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
8400 "detection");
8401 return -1;
8402 }
8403
8404 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
8405 nl80211_put_freq_params(msg, freq) < 0) {
8406 nlmsg_free(msg);
8407 return -1;
8408 }
8409
8410 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8411 if (ret == 0)
8412 return 0;
8413 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
8414 "%d (%s)", ret, strerror(-ret));
8415 return -1;
8416 }
8417
8418 #ifdef CONFIG_TDLS
8419
8420 static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
8421 u8 dialog_token, u16 status_code,
8422 u32 peer_capab, int initiator, const u8 *buf,
8423 size_t len)
8424 {
8425 struct i802_bss *bss = priv;
8426 struct wpa_driver_nl80211_data *drv = bss->drv;
8427 struct nl_msg *msg;
8428
8429 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8430 return -EOPNOTSUPP;
8431
8432 if (!dst)
8433 return -EINVAL;
8434
8435 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
8436 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
8437 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
8438 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
8439 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
8440 goto fail;
8441 if (peer_capab) {
8442 /*
8443 * The internal enum tdls_peer_capability definition is
8444 * currently identical with the nl80211 enum
8445 * nl80211_tdls_peer_capability, so no conversion is needed
8446 * here.
8447 */
8448 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
8449 peer_capab))
8450 goto fail;
8451 }
8452 if ((initiator &&
8453 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
8454 nla_put(msg, NL80211_ATTR_IE, len, buf))
8455 goto fail;
8456
8457 return send_and_recv_msgs(drv, msg, NULL, NULL);
8458
8459 fail:
8460 nlmsg_free(msg);
8461 return -ENOBUFS;
8462 }
8463
8464
8465 static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
8466 {
8467 struct i802_bss *bss = priv;
8468 struct wpa_driver_nl80211_data *drv = bss->drv;
8469 struct nl_msg *msg;
8470 enum nl80211_tdls_operation nl80211_oper;
8471 int res;
8472
8473 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8474 return -EOPNOTSUPP;
8475
8476 switch (oper) {
8477 case TDLS_DISCOVERY_REQ:
8478 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
8479 break;
8480 case TDLS_SETUP:
8481 nl80211_oper = NL80211_TDLS_SETUP;
8482 break;
8483 case TDLS_TEARDOWN:
8484 nl80211_oper = NL80211_TDLS_TEARDOWN;
8485 break;
8486 case TDLS_ENABLE_LINK:
8487 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
8488 break;
8489 case TDLS_DISABLE_LINK:
8490 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
8491 break;
8492 case TDLS_ENABLE:
8493 return 0;
8494 case TDLS_DISABLE:
8495 return 0;
8496 default:
8497 return -EINVAL;
8498 }
8499
8500 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
8501 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
8502 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
8503 nlmsg_free(msg);
8504 return -ENOBUFS;
8505 }
8506
8507 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8508 wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
8509 " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
8510 strerror(-res));
8511 return res;
8512 }
8513
8514
8515 static int
8516 nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
8517 const struct hostapd_freq_params *params)
8518 {
8519 struct i802_bss *bss = priv;
8520 struct wpa_driver_nl80211_data *drv = bss->drv;
8521 struct nl_msg *msg;
8522 int ret = -ENOBUFS;
8523
8524 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8525 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8526 return -EOPNOTSUPP;
8527
8528 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
8529 " oper_class=%u freq=%u",
8530 MAC2STR(addr), oper_class, params->freq);
8531 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
8532 if (!msg ||
8533 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8534 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
8535 (ret = nl80211_put_freq_params(msg, params))) {
8536 nlmsg_free(msg);
8537 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
8538 return ret;
8539 }
8540
8541 return send_and_recv_msgs(drv, msg, NULL, NULL);
8542 }
8543
8544
8545 static int
8546 nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
8547 {
8548 struct i802_bss *bss = priv;
8549 struct wpa_driver_nl80211_data *drv = bss->drv;
8550 struct nl_msg *msg;
8551
8552 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8553 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8554 return -EOPNOTSUPP;
8555
8556 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
8557 MAC2STR(addr));
8558 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
8559 if (!msg ||
8560 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8561 nlmsg_free(msg);
8562 wpa_printf(MSG_DEBUG,
8563 "nl80211: Could not build TDLS cancel chan switch");
8564 return -ENOBUFS;
8565 }
8566
8567 return send_and_recv_msgs(drv, msg, NULL, NULL);
8568 }
8569
8570 #endif /* CONFIG TDLS */
8571
8572
8573 static int driver_nl80211_set_key(const char *ifname, void *priv,
8574 enum wpa_alg alg, const u8 *addr,
8575 int key_idx, int set_tx,
8576 const u8 *seq, size_t seq_len,
8577 const u8 *key, size_t key_len)
8578 {
8579 struct i802_bss *bss = priv;
8580 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
8581 set_tx, seq, seq_len, key, key_len);
8582 }
8583
8584
8585 static int driver_nl80211_scan2(void *priv,
8586 struct wpa_driver_scan_params *params)
8587 {
8588 struct i802_bss *bss = priv;
8589 #ifdef CONFIG_DRIVER_NL80211_QCA
8590 struct wpa_driver_nl80211_data *drv = bss->drv;
8591
8592 /*
8593 * Do a vendor specific scan if possible. If only_new_results is
8594 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
8595 * cannot be achieved through a vendor scan. The below condition may
8596 * need to be modified if new scan flags are added in the future whose
8597 * functionality can only be achieved through a normal scan.
8598 */
8599 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
8600 return wpa_driver_nl80211_vendor_scan(bss, params);
8601 #endif /* CONFIG_DRIVER_NL80211_QCA */
8602 return wpa_driver_nl80211_scan(bss, params);
8603 }
8604
8605
8606 static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
8607 u16 reason_code)
8608 {
8609 struct i802_bss *bss = priv;
8610 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
8611 }
8612
8613
8614 static int driver_nl80211_authenticate(void *priv,
8615 struct wpa_driver_auth_params *params)
8616 {
8617 struct i802_bss *bss = priv;
8618 return wpa_driver_nl80211_authenticate(bss, params);
8619 }
8620
8621
8622 static void driver_nl80211_deinit(void *priv)
8623 {
8624 struct i802_bss *bss = priv;
8625 wpa_driver_nl80211_deinit(bss);
8626 }
8627
8628
8629 static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
8630 const char *ifname)
8631 {
8632 struct i802_bss *bss = priv;
8633 return wpa_driver_nl80211_if_remove(bss, type, ifname);
8634 }
8635
8636
8637 static int driver_nl80211_send_mlme(void *priv, const u8 *data,
8638 size_t data_len, int noack,
8639 unsigned int freq,
8640 const u16 *csa_offs, size_t csa_offs_len)
8641 {
8642 struct i802_bss *bss = priv;
8643 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
8644 freq, 0, 0, 0, csa_offs,
8645 csa_offs_len);
8646 }
8647
8648
8649 static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
8650 {
8651 struct i802_bss *bss = priv;
8652 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
8653 }
8654
8655
8656 static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
8657 const char *ifname, int vlan_id)
8658 {
8659 struct i802_bss *bss = priv;
8660 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
8661 }
8662
8663
8664 static int driver_nl80211_read_sta_data(void *priv,
8665 struct hostap_sta_driver_data *data,
8666 const u8 *addr)
8667 {
8668 struct i802_bss *bss = priv;
8669
8670 os_memset(data, 0, sizeof(*data));
8671 return i802_read_sta_data(bss, data, addr);
8672 }
8673
8674
8675 static int driver_nl80211_send_action(void *priv, unsigned int freq,
8676 unsigned int wait_time,
8677 const u8 *dst, const u8 *src,
8678 const u8 *bssid,
8679 const u8 *data, size_t data_len,
8680 int no_cck)
8681 {
8682 struct i802_bss *bss = priv;
8683 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
8684 bssid, data, data_len, no_cck);
8685 }
8686
8687
8688 static int driver_nl80211_probe_req_report(void *priv, int report)
8689 {
8690 struct i802_bss *bss = priv;
8691 return wpa_driver_nl80211_probe_req_report(bss, report);
8692 }
8693
8694
8695 static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
8696 const u8 *ies, size_t ies_len)
8697 {
8698 int ret;
8699 struct nl_msg *msg;
8700 struct i802_bss *bss = priv;
8701 struct wpa_driver_nl80211_data *drv = bss->drv;
8702 u16 mdid = WPA_GET_LE16(md);
8703
8704 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
8705 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
8706 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
8707 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
8708 nlmsg_free(msg);
8709 return -ENOBUFS;
8710 }
8711
8712 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8713 if (ret) {
8714 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
8715 "err=%d (%s)", ret, strerror(-ret));
8716 }
8717
8718 return ret;
8719 }
8720
8721
8722 static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
8723 {
8724 struct i802_bss *bss = priv;
8725 struct wpa_driver_nl80211_data *drv = bss->drv;
8726
8727 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
8728 return NULL;
8729
8730 return bss->addr;
8731 }
8732
8733
8734 static const char * scan_state_str(enum scan_states scan_state)
8735 {
8736 switch (scan_state) {
8737 case NO_SCAN:
8738 return "NO_SCAN";
8739 case SCAN_REQUESTED:
8740 return "SCAN_REQUESTED";
8741 case SCAN_STARTED:
8742 return "SCAN_STARTED";
8743 case SCAN_COMPLETED:
8744 return "SCAN_COMPLETED";
8745 case SCAN_ABORTED:
8746 return "SCAN_ABORTED";
8747 case SCHED_SCAN_STARTED:
8748 return "SCHED_SCAN_STARTED";
8749 case SCHED_SCAN_STOPPED:
8750 return "SCHED_SCAN_STOPPED";
8751 case SCHED_SCAN_RESULTS:
8752 return "SCHED_SCAN_RESULTS";
8753 }
8754
8755 return "??";
8756 }
8757
8758
8759 static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
8760 {
8761 struct i802_bss *bss = priv;
8762 struct wpa_driver_nl80211_data *drv = bss->drv;
8763 int res;
8764 char *pos, *end;
8765 struct nl_msg *msg;
8766 char alpha2[3] = { 0, 0, 0 };
8767
8768 pos = buf;
8769 end = buf + buflen;
8770
8771 res = os_snprintf(pos, end - pos,
8772 "ifindex=%d\n"
8773 "ifname=%s\n"
8774 "brname=%s\n"
8775 "addr=" MACSTR "\n"
8776 "freq=%d\n"
8777 "%s%s%s%s%s%s",
8778 bss->ifindex,
8779 bss->ifname,
8780 bss->brname,
8781 MAC2STR(bss->addr),
8782 bss->freq,
8783 bss->beacon_set ? "beacon_set=1\n" : "",
8784 bss->added_if_into_bridge ?
8785 "added_if_into_bridge=1\n" : "",
8786 bss->already_in_bridge ? "already_in_bridge=1\n" : "",
8787 bss->added_bridge ? "added_bridge=1\n" : "",
8788 bss->in_deinit ? "in_deinit=1\n" : "",
8789 bss->if_dynamic ? "if_dynamic=1\n" : "");
8790 if (os_snprintf_error(end - pos, res))
8791 return pos - buf;
8792 pos += res;
8793
8794 if (bss->wdev_id_set) {
8795 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
8796 (unsigned long long) bss->wdev_id);
8797 if (os_snprintf_error(end - pos, res))
8798 return pos - buf;
8799 pos += res;
8800 }
8801
8802 res = os_snprintf(pos, end - pos,
8803 "phyname=%s\n"
8804 "perm_addr=" MACSTR "\n"
8805 "drv_ifindex=%d\n"
8806 "operstate=%d\n"
8807 "scan_state=%s\n"
8808 "auth_bssid=" MACSTR "\n"
8809 "auth_attempt_bssid=" MACSTR "\n"
8810 "bssid=" MACSTR "\n"
8811 "prev_bssid=" MACSTR "\n"
8812 "associated=%d\n"
8813 "assoc_freq=%u\n"
8814 "monitor_sock=%d\n"
8815 "monitor_ifidx=%d\n"
8816 "monitor_refcount=%d\n"
8817 "last_mgmt_freq=%u\n"
8818 "eapol_tx_sock=%d\n"
8819 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
8820 drv->phyname,
8821 MAC2STR(drv->perm_addr),
8822 drv->ifindex,
8823 drv->operstate,
8824 scan_state_str(drv->scan_state),
8825 MAC2STR(drv->auth_bssid),
8826 MAC2STR(drv->auth_attempt_bssid),
8827 MAC2STR(drv->bssid),
8828 MAC2STR(drv->prev_bssid),
8829 drv->associated,
8830 drv->assoc_freq,
8831 drv->monitor_sock,
8832 drv->monitor_ifidx,
8833 drv->monitor_refcount,
8834 drv->last_mgmt_freq,
8835 drv->eapol_tx_sock,
8836 drv->ignore_if_down_event ?
8837 "ignore_if_down_event=1\n" : "",
8838 drv->scan_complete_events ?
8839 "scan_complete_events=1\n" : "",
8840 drv->disabled_11b_rates ?
8841 "disabled_11b_rates=1\n" : "",
8842 drv->pending_remain_on_chan ?
8843 "pending_remain_on_chan=1\n" : "",
8844 drv->in_interface_list ? "in_interface_list=1\n" : "",
8845 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
8846 drv->poll_command_supported ?
8847 "poll_command_supported=1\n" : "",
8848 drv->data_tx_status ? "data_tx_status=1\n" : "",
8849 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
8850 drv->retry_auth ? "retry_auth=1\n" : "",
8851 drv->use_monitor ? "use_monitor=1\n" : "",
8852 drv->ignore_next_local_disconnect ?
8853 "ignore_next_local_disconnect=1\n" : "",
8854 drv->ignore_next_local_deauth ?
8855 "ignore_next_local_deauth=1\n" : "");
8856 if (os_snprintf_error(end - pos, res))
8857 return pos - buf;
8858 pos += res;
8859
8860 if (drv->has_capability) {
8861 res = os_snprintf(pos, end - pos,
8862 "capa.key_mgmt=0x%x\n"
8863 "capa.enc=0x%x\n"
8864 "capa.auth=0x%x\n"
8865 "capa.flags=0x%llx\n"
8866 "capa.rrm_flags=0x%x\n"
8867 "capa.max_scan_ssids=%d\n"
8868 "capa.max_sched_scan_ssids=%d\n"
8869 "capa.sched_scan_supported=%d\n"
8870 "capa.max_match_sets=%d\n"
8871 "capa.max_remain_on_chan=%u\n"
8872 "capa.max_stations=%u\n"
8873 "capa.probe_resp_offloads=0x%x\n"
8874 "capa.max_acl_mac_addrs=%u\n"
8875 "capa.num_multichan_concurrent=%u\n"
8876 "capa.mac_addr_rand_sched_scan_supported=%d\n"
8877 "capa.mac_addr_rand_scan_supported=%d\n"
8878 "capa.conc_capab=%u\n"
8879 "capa.max_conc_chan_2_4=%u\n"
8880 "capa.max_conc_chan_5_0=%u\n"
8881 "capa.max_sched_scan_plans=%u\n"
8882 "capa.max_sched_scan_plan_interval=%u\n"
8883 "capa.max_sched_scan_plan_iterations=%u\n",
8884 drv->capa.key_mgmt,
8885 drv->capa.enc,
8886 drv->capa.auth,
8887 (unsigned long long) drv->capa.flags,
8888 drv->capa.rrm_flags,
8889 drv->capa.max_scan_ssids,
8890 drv->capa.max_sched_scan_ssids,
8891 drv->capa.sched_scan_supported,
8892 drv->capa.max_match_sets,
8893 drv->capa.max_remain_on_chan,
8894 drv->capa.max_stations,
8895 drv->capa.probe_resp_offloads,
8896 drv->capa.max_acl_mac_addrs,
8897 drv->capa.num_multichan_concurrent,
8898 drv->capa.mac_addr_rand_sched_scan_supported,
8899 drv->capa.mac_addr_rand_scan_supported,
8900 drv->capa.conc_capab,
8901 drv->capa.max_conc_chan_2_4,
8902 drv->capa.max_conc_chan_5_0,
8903 drv->capa.max_sched_scan_plans,
8904 drv->capa.max_sched_scan_plan_interval,
8905 drv->capa.max_sched_scan_plan_iterations);
8906 if (os_snprintf_error(end - pos, res))
8907 return pos - buf;
8908 pos += res;
8909 }
8910
8911 msg = nlmsg_alloc();
8912 if (msg &&
8913 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
8914 nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
8915 if (send_and_recv_msgs(drv, msg, nl80211_get_country,
8916 alpha2) == 0 &&
8917 alpha2[0]) {
8918 res = os_snprintf(pos, end - pos, "country=%s\n",
8919 alpha2);
8920 if (os_snprintf_error(end - pos, res))
8921 return pos - buf;
8922 pos += res;
8923 }
8924 } else {
8925 nlmsg_free(msg);
8926 }
8927
8928 return pos - buf;
8929 }
8930
8931
8932 static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
8933 {
8934 if ((settings->head &&
8935 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
8936 settings->head_len, settings->head)) ||
8937 (settings->tail &&
8938 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
8939 settings->tail_len, settings->tail)) ||
8940 (settings->beacon_ies &&
8941 nla_put(msg, NL80211_ATTR_IE,
8942 settings->beacon_ies_len, settings->beacon_ies)) ||
8943 (settings->proberesp_ies &&
8944 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
8945 settings->proberesp_ies_len, settings->proberesp_ies)) ||
8946 (settings->assocresp_ies &&
8947 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
8948 settings->assocresp_ies_len, settings->assocresp_ies)) ||
8949 (settings->probe_resp &&
8950 nla_put(msg, NL80211_ATTR_PROBE_RESP,
8951 settings->probe_resp_len, settings->probe_resp)))
8952 return -ENOBUFS;
8953
8954 return 0;
8955 }
8956
8957
8958 static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
8959 {
8960 struct nl_msg *msg;
8961 struct i802_bss *bss = priv;
8962 struct wpa_driver_nl80211_data *drv = bss->drv;
8963 struct nlattr *beacon_csa;
8964 int ret = -ENOBUFS;
8965 int csa_off_len = 0;
8966 int i;
8967
8968 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
8969 settings->cs_count, settings->block_tx,
8970 settings->freq_params.freq, settings->freq_params.bandwidth,
8971 settings->freq_params.center_freq1,
8972 settings->freq_params.center_freq2);
8973
8974 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
8975 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
8976 return -EOPNOTSUPP;
8977 }
8978
8979 if (drv->nlmode != NL80211_IFTYPE_AP &&
8980 drv->nlmode != NL80211_IFTYPE_P2P_GO &&
8981 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
8982 return -EOPNOTSUPP;
8983
8984 /*
8985 * Remove empty counters, assuming Probe Response and Beacon frame
8986 * counters match. This implementation assumes that there are only two
8987 * counters.
8988 */
8989 if (settings->counter_offset_beacon[0] &&
8990 !settings->counter_offset_beacon[1]) {
8991 csa_off_len = 1;
8992 } else if (settings->counter_offset_beacon[1] &&
8993 !settings->counter_offset_beacon[0]) {
8994 csa_off_len = 1;
8995 settings->counter_offset_beacon[0] =
8996 settings->counter_offset_beacon[1];
8997 settings->counter_offset_presp[0] =
8998 settings->counter_offset_presp[1];
8999 } else if (settings->counter_offset_beacon[1] &&
9000 settings->counter_offset_beacon[0]) {
9001 csa_off_len = 2;
9002 } else {
9003 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
9004 return -EINVAL;
9005 }
9006
9007 /* Check CSA counters validity */
9008 if (drv->capa.max_csa_counters &&
9009 csa_off_len > drv->capa.max_csa_counters) {
9010 wpa_printf(MSG_ERROR,
9011 "nl80211: Too many CSA counters provided");
9012 return -EINVAL;
9013 }
9014
9015 if (!settings->beacon_csa.tail)
9016 return -EINVAL;
9017
9018 for (i = 0; i < csa_off_len; i++) {
9019 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
9020 u16 csa_c_off_presp = settings->counter_offset_presp[i];
9021
9022 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
9023 (settings->beacon_csa.tail[csa_c_off_bcn] !=
9024 settings->cs_count))
9025 return -EINVAL;
9026
9027 if (settings->beacon_csa.probe_resp &&
9028 ((settings->beacon_csa.probe_resp_len <=
9029 csa_c_off_presp) ||
9030 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
9031 settings->cs_count)))
9032 return -EINVAL;
9033 }
9034
9035 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
9036 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
9037 settings->cs_count) ||
9038 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
9039 (settings->block_tx &&
9040 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
9041 goto error;
9042
9043 /* beacon_after params */
9044 ret = set_beacon_data(msg, &settings->beacon_after);
9045 if (ret)
9046 goto error;
9047
9048 /* beacon_csa params */
9049 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
9050 if (!beacon_csa)
9051 goto fail;
9052
9053 ret = set_beacon_data(msg, &settings->beacon_csa);
9054 if (ret)
9055 goto error;
9056
9057 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
9058 csa_off_len * sizeof(u16),
9059 settings->counter_offset_beacon) ||
9060 (settings->beacon_csa.probe_resp &&
9061 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
9062 csa_off_len * sizeof(u16),
9063 settings->counter_offset_presp)))
9064 goto fail;
9065
9066 nla_nest_end(msg, beacon_csa);
9067 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9068 if (ret) {
9069 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
9070 ret, strerror(-ret));
9071 }
9072 return ret;
9073
9074 fail:
9075 ret = -ENOBUFS;
9076 error:
9077 nlmsg_free(msg);
9078 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
9079 return ret;
9080 }
9081
9082
9083 static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
9084 u8 user_priority, u16 admitted_time)
9085 {
9086 struct i802_bss *bss = priv;
9087 struct wpa_driver_nl80211_data *drv = bss->drv;
9088 struct nl_msg *msg;
9089 int ret;
9090
9091 wpa_printf(MSG_DEBUG,
9092 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
9093 tsid, admitted_time, user_priority);
9094
9095 if (!is_sta_interface(drv->nlmode))
9096 return -ENOTSUP;
9097
9098 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
9099 if (!msg ||
9100 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9101 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9102 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
9103 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
9104 nlmsg_free(msg);
9105 return -ENOBUFS;
9106 }
9107
9108 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9109 if (ret)
9110 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
9111 ret, strerror(-ret));
9112 return ret;
9113 }
9114
9115
9116 static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
9117 {
9118 struct i802_bss *bss = priv;
9119 struct wpa_driver_nl80211_data *drv = bss->drv;
9120 struct nl_msg *msg;
9121 int ret;
9122
9123 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
9124
9125 if (!is_sta_interface(drv->nlmode))
9126 return -ENOTSUP;
9127
9128 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
9129 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9130 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
9131 nlmsg_free(msg);
9132 return -ENOBUFS;
9133 }
9134
9135 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9136 if (ret)
9137 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
9138 ret, strerror(-ret));
9139 return ret;
9140 }
9141
9142
9143 #ifdef CONFIG_TESTING_OPTIONS
9144 static int cmd_reply_handler(struct nl_msg *msg, void *arg)
9145 {
9146 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9147 struct wpabuf *buf = arg;
9148
9149 if (!buf)
9150 return NL_SKIP;
9151
9152 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
9153 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
9154 return NL_SKIP;
9155 }
9156
9157 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
9158 genlmsg_attrlen(gnlh, 0));
9159
9160 return NL_SKIP;
9161 }
9162 #endif /* CONFIG_TESTING_OPTIONS */
9163
9164
9165 static int vendor_reply_handler(struct nl_msg *msg, void *arg)
9166 {
9167 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9168 struct nlattr *nl_vendor_reply, *nl;
9169 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9170 struct wpabuf *buf = arg;
9171 int rem;
9172
9173 if (!buf)
9174 return NL_SKIP;
9175
9176 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9177 genlmsg_attrlen(gnlh, 0), NULL);
9178 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
9179
9180 if (!nl_vendor_reply)
9181 return NL_SKIP;
9182
9183 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
9184 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
9185 return NL_SKIP;
9186 }
9187
9188 nla_for_each_nested(nl, nl_vendor_reply, rem) {
9189 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
9190 }
9191
9192 return NL_SKIP;
9193 }
9194
9195
9196 static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
9197 unsigned int subcmd, const u8 *data,
9198 size_t data_len, struct wpabuf *buf)
9199 {
9200 struct i802_bss *bss = priv;
9201 struct wpa_driver_nl80211_data *drv = bss->drv;
9202 struct nl_msg *msg;
9203 int ret;
9204
9205 #ifdef CONFIG_TESTING_OPTIONS
9206 if (vendor_id == 0xffffffff) {
9207 msg = nlmsg_alloc();
9208 if (!msg)
9209 return -ENOMEM;
9210
9211 nl80211_cmd(drv, msg, 0, subcmd);
9212 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
9213 0)
9214 goto fail;
9215 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
9216 if (ret)
9217 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
9218 ret);
9219 return ret;
9220 }
9221 #endif /* CONFIG_TESTING_OPTIONS */
9222
9223 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
9224 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
9225 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
9226 (data &&
9227 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
9228 goto fail;
9229
9230 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
9231 if (ret)
9232 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
9233 ret);
9234 return ret;
9235
9236 fail:
9237 nlmsg_free(msg);
9238 return -ENOBUFS;
9239 }
9240
9241
9242 static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
9243 u8 qos_map_set_len)
9244 {
9245 struct i802_bss *bss = priv;
9246 struct wpa_driver_nl80211_data *drv = bss->drv;
9247 struct nl_msg *msg;
9248 int ret;
9249
9250 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
9251 qos_map_set, qos_map_set_len);
9252
9253 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
9254 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
9255 nlmsg_free(msg);
9256 return -ENOBUFS;
9257 }
9258
9259 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9260 if (ret)
9261 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
9262
9263 return ret;
9264 }
9265
9266
9267 static int nl80211_set_wowlan(void *priv,
9268 const struct wowlan_triggers *triggers)
9269 {
9270 struct i802_bss *bss = priv;
9271 struct wpa_driver_nl80211_data *drv = bss->drv;
9272 struct nl_msg *msg;
9273 struct nlattr *wowlan_triggers;
9274 int ret;
9275
9276 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
9277
9278 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
9279 !(wowlan_triggers = nla_nest_start(msg,
9280 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
9281 (triggers->any &&
9282 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
9283 (triggers->disconnect &&
9284 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
9285 (triggers->magic_pkt &&
9286 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
9287 (triggers->gtk_rekey_failure &&
9288 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
9289 (triggers->eap_identity_req &&
9290 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
9291 (triggers->four_way_handshake &&
9292 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
9293 (triggers->rfkill_release &&
9294 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
9295 nlmsg_free(msg);
9296 return -ENOBUFS;
9297 }
9298
9299 nla_nest_end(msg, wowlan_triggers);
9300
9301 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9302 if (ret)
9303 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
9304
9305 return ret;
9306 }
9307
9308
9309 #ifdef CONFIG_DRIVER_NL80211_QCA
9310 static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
9311 {
9312 struct i802_bss *bss = priv;
9313 struct wpa_driver_nl80211_data *drv = bss->drv;
9314 struct nl_msg *msg;
9315 struct nlattr *params;
9316
9317 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
9318
9319 if (!drv->roaming_vendor_cmd_avail) {
9320 wpa_printf(MSG_DEBUG,
9321 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
9322 return -1;
9323 }
9324
9325 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9326 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9327 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9328 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
9329 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9330 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
9331 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
9332 QCA_ROAMING_NOT_ALLOWED) ||
9333 (bssid &&
9334 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
9335 nlmsg_free(msg);
9336 return -1;
9337 }
9338 nla_nest_end(msg, params);
9339
9340 return send_and_recv_msgs(drv, msg, NULL, NULL);
9341 }
9342
9343
9344 static int nl80211_disable_fils(void *priv, int disable)
9345 {
9346 struct i802_bss *bss = priv;
9347 struct wpa_driver_nl80211_data *drv = bss->drv;
9348 struct nl_msg *msg;
9349 struct nlattr *params;
9350
9351 wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable);
9352
9353 if (!drv->set_wifi_conf_vendor_cmd_avail)
9354 return -1;
9355
9356 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9357 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9358 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9359 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
9360 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9361 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS,
9362 disable)) {
9363 nlmsg_free(msg);
9364 return -1;
9365 }
9366 nla_nest_end(msg, params);
9367
9368 return send_and_recv_msgs(drv, msg, NULL, NULL);
9369 }
9370
9371
9372 /* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
9373 #define WPA_SUPPLICANT_CLIENT_ID 1
9374
9375 static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid,
9376 const u8 *bssid)
9377 {
9378 struct i802_bss *bss = priv;
9379 struct wpa_driver_nl80211_data *drv = bss->drv;
9380 struct nl_msg *msg;
9381 struct nlattr *params, *nlbssids, *attr;
9382 unsigned int i;
9383
9384 wpa_printf(MSG_DEBUG, "nl80211: Set blacklist BSSID (num=%u)",
9385 num_bssid);
9386
9387 if (!drv->roam_vendor_cmd_avail)
9388 return -1;
9389
9390 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9391 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9392 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9393 QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
9394 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9395 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
9396 QCA_WLAN_VENDOR_ATTR_ROAM_SUBCMD_SET_BLACKLIST_BSSID) ||
9397 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
9398 WPA_SUPPLICANT_CLIENT_ID) ||
9399 nla_put_u32(msg,
9400 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
9401 num_bssid))
9402 goto fail;
9403
9404 nlbssids = nla_nest_start(
9405 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
9406 if (!nlbssids)
9407 goto fail;
9408
9409 for (i = 0; i < num_bssid; i++) {
9410 attr = nla_nest_start(msg, i);
9411 if (!attr)
9412 goto fail;
9413 if (nla_put(msg,
9414 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
9415 ETH_ALEN, &bssid[i * ETH_ALEN]))
9416 goto fail;
9417 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i,
9418 MAC2STR(&bssid[i * ETH_ALEN]));
9419 nla_nest_end(msg, attr);
9420 }
9421 nla_nest_end(msg, nlbssids);
9422 nla_nest_end(msg, params);
9423
9424 return send_and_recv_msgs(drv, msg, NULL, NULL);
9425
9426 fail:
9427 nlmsg_free(msg);
9428 return -1;
9429 }
9430
9431 #endif /* CONFIG_DRIVER_NL80211_QCA */
9432
9433
9434 static int nl80211_set_mac_addr(void *priv, const u8 *addr)
9435 {
9436 struct i802_bss *bss = priv;
9437 struct wpa_driver_nl80211_data *drv = bss->drv;
9438 int new_addr = addr != NULL;
9439
9440 if (TEST_FAIL())
9441 return -1;
9442
9443 if (!addr)
9444 addr = drv->perm_addr;
9445
9446 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
9447 return -1;
9448
9449 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
9450 {
9451 wpa_printf(MSG_DEBUG,
9452 "nl80211: failed to set_mac_addr for %s to " MACSTR,
9453 bss->ifname, MAC2STR(addr));
9454 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
9455 1) < 0) {
9456 wpa_printf(MSG_DEBUG,
9457 "nl80211: Could not restore interface UP after failed set_mac_addr");
9458 }
9459 return -1;
9460 }
9461
9462 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
9463 bss->ifname, MAC2STR(addr));
9464 drv->addr_changed = new_addr;
9465 os_memcpy(bss->addr, addr, ETH_ALEN);
9466
9467 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
9468 {
9469 wpa_printf(MSG_DEBUG,
9470 "nl80211: Could not restore interface UP after set_mac_addr");
9471 }
9472
9473 return 0;
9474 }
9475
9476
9477 #ifdef CONFIG_MESH
9478
9479 static int wpa_driver_nl80211_init_mesh(void *priv)
9480 {
9481 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
9482 wpa_printf(MSG_INFO,
9483 "nl80211: Failed to set interface into mesh mode");
9484 return -1;
9485 }
9486 return 0;
9487 }
9488
9489
9490 static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
9491 size_t mesh_id_len)
9492 {
9493 if (mesh_id) {
9494 wpa_printf(MSG_DEBUG, " * Mesh ID (SSID)=%s",
9495 wpa_ssid_txt(mesh_id, mesh_id_len));
9496 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
9497 }
9498
9499 return 0;
9500 }
9501
9502
9503 static int nl80211_put_mesh_config(struct nl_msg *msg,
9504 struct wpa_driver_mesh_bss_params *params)
9505 {
9506 struct nlattr *container;
9507
9508 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
9509 if (!container)
9510 return -1;
9511
9512 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
9513 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
9514 params->auto_plinks)) ||
9515 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
9516 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
9517 params->max_peer_links)) ||
9518 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
9519 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
9520 params->rssi_threshold)))
9521 return -1;
9522
9523 /*
9524 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
9525 * the timer could disconnect stations even in that case.
9526 */
9527 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
9528 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
9529 params->peer_link_timeout)) {
9530 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
9531 return -1;
9532 }
9533
9534 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
9535 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
9536 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
9537 return -1;
9538 }
9539
9540 nla_nest_end(msg, container);
9541
9542 return 0;
9543 }
9544
9545
9546 static int nl80211_join_mesh(struct i802_bss *bss,
9547 struct wpa_driver_mesh_join_params *params)
9548 {
9549 struct wpa_driver_nl80211_data *drv = bss->drv;
9550 struct nl_msg *msg;
9551 struct nlattr *container;
9552 int ret = -1;
9553
9554 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9555 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
9556 if (!msg ||
9557 nl80211_put_freq_params(msg, &params->freq) ||
9558 nl80211_put_basic_rates(msg, params->basic_rates) ||
9559 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
9560 nl80211_put_beacon_int(msg, params->beacon_int) ||
9561 nl80211_put_dtim_period(msg, params->dtim_period))
9562 goto fail;
9563
9564 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
9565
9566 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
9567 if (!container)
9568 goto fail;
9569
9570 if (params->ies) {
9571 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
9572 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
9573 params->ies))
9574 goto fail;
9575 }
9576 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
9577 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
9578 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
9579 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
9580 goto fail;
9581 }
9582 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
9583 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
9584 goto fail;
9585 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
9586 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
9587 goto fail;
9588 nla_nest_end(msg, container);
9589
9590 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
9591 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
9592 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
9593 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
9594 goto fail;
9595
9596 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9597 msg = NULL;
9598 if (ret) {
9599 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
9600 ret, strerror(-ret));
9601 goto fail;
9602 }
9603 ret = 0;
9604 drv->assoc_freq = bss->freq = params->freq.freq;
9605 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
9606
9607 fail:
9608 nlmsg_free(msg);
9609 return ret;
9610 }
9611
9612
9613 static int
9614 wpa_driver_nl80211_join_mesh(void *priv,
9615 struct wpa_driver_mesh_join_params *params)
9616 {
9617 struct i802_bss *bss = priv;
9618 int ret, timeout;
9619
9620 timeout = params->conf.peer_link_timeout;
9621
9622 /* Disable kernel inactivity timer */
9623 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
9624 params->conf.peer_link_timeout = 0;
9625
9626 ret = nl80211_join_mesh(bss, params);
9627 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
9628 wpa_printf(MSG_DEBUG,
9629 "nl80211: Mesh join retry for peer_link_timeout");
9630 /*
9631 * Old kernel does not support setting
9632 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
9633 * into future from peer_link_timeout.
9634 */
9635 params->conf.peer_link_timeout = timeout + 60;
9636 ret = nl80211_join_mesh(priv, params);
9637 }
9638
9639 params->conf.peer_link_timeout = timeout;
9640 return ret;
9641 }
9642
9643
9644 static int wpa_driver_nl80211_leave_mesh(void *priv)
9645 {
9646 struct i802_bss *bss = priv;
9647 struct wpa_driver_nl80211_data *drv = bss->drv;
9648 struct nl_msg *msg;
9649 int ret;
9650
9651 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9652 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
9653 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9654 if (ret) {
9655 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
9656 ret, strerror(-ret));
9657 } else {
9658 wpa_printf(MSG_DEBUG,
9659 "nl80211: mesh leave request send successfully");
9660 }
9661
9662 if (wpa_driver_nl80211_set_mode(drv->first_bss,
9663 NL80211_IFTYPE_STATION)) {
9664 wpa_printf(MSG_INFO,
9665 "nl80211: Failed to set interface into station mode");
9666 }
9667 return ret;
9668 }
9669
9670 #endif /* CONFIG_MESH */
9671
9672
9673 static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
9674 const u8 *ipaddr, int prefixlen,
9675 const u8 *addr)
9676 {
9677 #ifdef CONFIG_LIBNL3_ROUTE
9678 struct i802_bss *bss = priv;
9679 struct wpa_driver_nl80211_data *drv = bss->drv;
9680 struct rtnl_neigh *rn;
9681 struct nl_addr *nl_ipaddr = NULL;
9682 struct nl_addr *nl_lladdr = NULL;
9683 int family, addrsize;
9684 int res;
9685
9686 if (!ipaddr || prefixlen == 0 || !addr)
9687 return -EINVAL;
9688
9689 if (bss->br_ifindex == 0) {
9690 wpa_printf(MSG_DEBUG,
9691 "nl80211: bridge must be set before adding an ip neigh to it");
9692 return -1;
9693 }
9694
9695 if (!drv->rtnl_sk) {
9696 wpa_printf(MSG_DEBUG,
9697 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9698 return -1;
9699 }
9700
9701 if (version == 4) {
9702 family = AF_INET;
9703 addrsize = 4;
9704 } else if (version == 6) {
9705 family = AF_INET6;
9706 addrsize = 16;
9707 } else {
9708 return -EINVAL;
9709 }
9710
9711 rn = rtnl_neigh_alloc();
9712 if (rn == NULL)
9713 return -ENOMEM;
9714
9715 /* set the destination ip address for neigh */
9716 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
9717 if (nl_ipaddr == NULL) {
9718 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9719 res = -ENOMEM;
9720 goto errout;
9721 }
9722 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
9723 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9724 if (res) {
9725 wpa_printf(MSG_DEBUG,
9726 "nl80211: neigh set destination addr failed");
9727 goto errout;
9728 }
9729
9730 /* set the corresponding lladdr for neigh */
9731 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
9732 if (nl_lladdr == NULL) {
9733 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
9734 res = -ENOMEM;
9735 goto errout;
9736 }
9737 rtnl_neigh_set_lladdr(rn, nl_lladdr);
9738
9739 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
9740 rtnl_neigh_set_state(rn, NUD_PERMANENT);
9741
9742 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
9743 if (res) {
9744 wpa_printf(MSG_DEBUG,
9745 "nl80211: Adding bridge ip neigh failed: %s",
9746 strerror(errno));
9747 }
9748 errout:
9749 if (nl_lladdr)
9750 nl_addr_put(nl_lladdr);
9751 if (nl_ipaddr)
9752 nl_addr_put(nl_ipaddr);
9753 if (rn)
9754 rtnl_neigh_put(rn);
9755 return res;
9756 #else /* CONFIG_LIBNL3_ROUTE */
9757 return -1;
9758 #endif /* CONFIG_LIBNL3_ROUTE */
9759 }
9760
9761
9762 static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
9763 const u8 *ipaddr)
9764 {
9765 #ifdef CONFIG_LIBNL3_ROUTE
9766 struct i802_bss *bss = priv;
9767 struct wpa_driver_nl80211_data *drv = bss->drv;
9768 struct rtnl_neigh *rn;
9769 struct nl_addr *nl_ipaddr;
9770 int family, addrsize;
9771 int res;
9772
9773 if (!ipaddr)
9774 return -EINVAL;
9775
9776 if (version == 4) {
9777 family = AF_INET;
9778 addrsize = 4;
9779 } else if (version == 6) {
9780 family = AF_INET6;
9781 addrsize = 16;
9782 } else {
9783 return -EINVAL;
9784 }
9785
9786 if (bss->br_ifindex == 0) {
9787 wpa_printf(MSG_DEBUG,
9788 "nl80211: bridge must be set to delete an ip neigh");
9789 return -1;
9790 }
9791
9792 if (!drv->rtnl_sk) {
9793 wpa_printf(MSG_DEBUG,
9794 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9795 return -1;
9796 }
9797
9798 rn = rtnl_neigh_alloc();
9799 if (rn == NULL)
9800 return -ENOMEM;
9801
9802 /* set the destination ip address for neigh */
9803 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
9804 if (nl_ipaddr == NULL) {
9805 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9806 res = -ENOMEM;
9807 goto errout;
9808 }
9809 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9810 if (res) {
9811 wpa_printf(MSG_DEBUG,
9812 "nl80211: neigh set destination addr failed");
9813 goto errout;
9814 }
9815
9816 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
9817
9818 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
9819 if (res) {
9820 wpa_printf(MSG_DEBUG,
9821 "nl80211: Deleting bridge ip neigh failed: %s",
9822 strerror(errno));
9823 }
9824 errout:
9825 if (nl_ipaddr)
9826 nl_addr_put(nl_ipaddr);
9827 if (rn)
9828 rtnl_neigh_put(rn);
9829 return res;
9830 #else /* CONFIG_LIBNL3_ROUTE */
9831 return -1;
9832 #endif /* CONFIG_LIBNL3_ROUTE */
9833 }
9834
9835
9836 static int linux_write_system_file(const char *path, unsigned int val)
9837 {
9838 char buf[50];
9839 int fd, len;
9840
9841 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
9842 if (os_snprintf_error(sizeof(buf), len))
9843 return -1;
9844
9845 fd = open(path, O_WRONLY);
9846 if (fd < 0)
9847 return -1;
9848
9849 if (write(fd, buf, len) < 0) {
9850 wpa_printf(MSG_DEBUG,
9851 "nl80211: Failed to write Linux system file: %s with the value of %d",
9852 path, val);
9853 close(fd);
9854 return -1;
9855 }
9856 close(fd);
9857
9858 return 0;
9859 }
9860
9861
9862 static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
9863 {
9864 switch (attr) {
9865 case DRV_BR_PORT_ATTR_PROXYARP:
9866 return "proxyarp_wifi";
9867 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
9868 return "hairpin_mode";
9869 }
9870
9871 return NULL;
9872 }
9873
9874
9875 static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
9876 unsigned int val)
9877 {
9878 struct i802_bss *bss = priv;
9879 char path[128];
9880 const char *attr_txt;
9881
9882 attr_txt = drv_br_port_attr_str(attr);
9883 if (attr_txt == NULL)
9884 return -EINVAL;
9885
9886 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
9887 bss->ifname, attr_txt);
9888
9889 if (linux_write_system_file(path, val))
9890 return -1;
9891
9892 return 0;
9893 }
9894
9895
9896 static const char * drv_br_net_param_str(enum drv_br_net_param param)
9897 {
9898 switch (param) {
9899 case DRV_BR_NET_PARAM_GARP_ACCEPT:
9900 return "arp_accept";
9901 default:
9902 return NULL;
9903 }
9904 }
9905
9906
9907 static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
9908 unsigned int val)
9909 {
9910 struct i802_bss *bss = priv;
9911 char path[128];
9912 const char *param_txt;
9913 int ip_version = 4;
9914
9915 if (param == DRV_BR_MULTICAST_SNOOPING) {
9916 os_snprintf(path, sizeof(path),
9917 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
9918 bss->brname);
9919 goto set_val;
9920 }
9921
9922 param_txt = drv_br_net_param_str(param);
9923 if (param_txt == NULL)
9924 return -EINVAL;
9925
9926 switch (param) {
9927 case DRV_BR_NET_PARAM_GARP_ACCEPT:
9928 ip_version = 4;
9929 break;
9930 default:
9931 return -EINVAL;
9932 }
9933
9934 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
9935 ip_version, bss->brname, param_txt);
9936
9937 set_val:
9938 if (linux_write_system_file(path, val))
9939 return -1;
9940
9941 return 0;
9942 }
9943
9944
9945 #ifdef CONFIG_DRIVER_NL80211_QCA
9946
9947 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
9948 {
9949 switch (hw_mode) {
9950 case HOSTAPD_MODE_IEEE80211B:
9951 return QCA_ACS_MODE_IEEE80211B;
9952 case HOSTAPD_MODE_IEEE80211G:
9953 return QCA_ACS_MODE_IEEE80211G;
9954 case HOSTAPD_MODE_IEEE80211A:
9955 return QCA_ACS_MODE_IEEE80211A;
9956 case HOSTAPD_MODE_IEEE80211AD:
9957 return QCA_ACS_MODE_IEEE80211AD;
9958 case HOSTAPD_MODE_IEEE80211ANY:
9959 return QCA_ACS_MODE_IEEE80211ANY;
9960 default:
9961 return -1;
9962 }
9963 }
9964
9965
9966 static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
9967 {
9968 int i, len, ret;
9969 u32 *freqs;
9970
9971 if (!freq_list)
9972 return 0;
9973 len = int_array_len(freq_list);
9974 freqs = os_malloc(sizeof(u32) * len);
9975 if (!freqs)
9976 return -1;
9977 for (i = 0; i < len; i++)
9978 freqs[i] = freq_list[i];
9979 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
9980 sizeof(u32) * len, freqs);
9981 os_free(freqs);
9982 return ret;
9983 }
9984
9985
9986 static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
9987 {
9988 struct i802_bss *bss = priv;
9989 struct wpa_driver_nl80211_data *drv = bss->drv;
9990 struct nl_msg *msg;
9991 struct nlattr *data;
9992 int ret;
9993 int mode;
9994
9995 mode = hw_mode_to_qca_acs(params->hw_mode);
9996 if (mode < 0)
9997 return -1;
9998
9999 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10000 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10001 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10002 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
10003 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10004 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
10005 (params->ht_enabled &&
10006 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
10007 (params->ht40_enabled &&
10008 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
10009 (params->vht_enabled &&
10010 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
10011 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
10012 params->ch_width) ||
10013 (params->ch_list_len &&
10014 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
10015 params->ch_list)) ||
10016 add_acs_freq_list(msg, params->freq_list)) {
10017 nlmsg_free(msg);
10018 return -ENOBUFS;
10019 }
10020 nla_nest_end(msg, data);
10021
10022 wpa_printf(MSG_DEBUG,
10023 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
10024 params->hw_mode, params->ht_enabled, params->ht40_enabled,
10025 params->vht_enabled, params->ch_width, params->ch_list_len);
10026
10027 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10028 if (ret) {
10029 wpa_printf(MSG_DEBUG,
10030 "nl80211: Failed to invoke driver ACS function: %s",
10031 strerror(errno));
10032 }
10033 return ret;
10034 }
10035
10036
10037 static int nl80211_set_band(void *priv, enum set_band band)
10038 {
10039 struct i802_bss *bss = priv;
10040 struct wpa_driver_nl80211_data *drv = bss->drv;
10041 struct nl_msg *msg;
10042 struct nlattr *data;
10043 int ret;
10044 enum qca_set_band qca_band;
10045
10046 if (!drv->setband_vendor_cmd_avail)
10047 return -1;
10048
10049 switch (band) {
10050 case WPA_SETBAND_AUTO:
10051 qca_band = QCA_SETBAND_AUTO;
10052 break;
10053 case WPA_SETBAND_5G:
10054 qca_band = QCA_SETBAND_5G;
10055 break;
10056 case WPA_SETBAND_2G:
10057 qca_band = QCA_SETBAND_2G;
10058 break;
10059 default:
10060 return -1;
10061 }
10062
10063 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10064 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10065 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10066 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
10067 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10068 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
10069 nlmsg_free(msg);
10070 return -ENOBUFS;
10071 }
10072 nla_nest_end(msg, data);
10073
10074 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10075 if (ret) {
10076 wpa_printf(MSG_DEBUG,
10077 "nl80211: Driver setband function failed: %s",
10078 strerror(errno));
10079 }
10080 return ret;
10081 }
10082
10083
10084 struct nl80211_pcl {
10085 unsigned int num;
10086 unsigned int *freq_list;
10087 };
10088
10089 static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
10090 {
10091 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10092 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10093 struct nl80211_pcl *param = arg;
10094 struct nlattr *nl_vend, *attr;
10095 enum qca_iface_type iface_type;
10096 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10097 unsigned int num, max_num;
10098 u32 *freqs;
10099
10100 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10101 genlmsg_attrlen(gnlh, 0), NULL);
10102
10103 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
10104 if (!nl_vend)
10105 return NL_SKIP;
10106
10107 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10108 nla_data(nl_vend), nla_len(nl_vend), NULL);
10109
10110 attr = tb_vendor[
10111 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
10112 if (!attr) {
10113 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
10114 param->num = 0;
10115 return NL_SKIP;
10116 }
10117
10118 iface_type = (enum qca_iface_type) nla_get_u32(attr);
10119 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
10120 iface_type);
10121
10122 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
10123 if (!attr) {
10124 wpa_printf(MSG_ERROR,
10125 "nl80211: preferred_freq_list couldn't be found");
10126 param->num = 0;
10127 return NL_SKIP;
10128 }
10129
10130 /*
10131 * param->num has the maximum number of entries for which there
10132 * is room in the freq_list provided by the caller.
10133 */
10134 freqs = nla_data(attr);
10135 max_num = nla_len(attr) / sizeof(u32);
10136 if (max_num > param->num)
10137 max_num = param->num;
10138 for (num = 0; num < max_num; num++)
10139 param->freq_list[num] = freqs[num];
10140 param->num = num;
10141
10142 return NL_SKIP;
10143 }
10144
10145
10146 static int nl80211_get_pref_freq_list(void *priv,
10147 enum wpa_driver_if_type if_type,
10148 unsigned int *num,
10149 unsigned int *freq_list)
10150 {
10151 struct i802_bss *bss = priv;
10152 struct wpa_driver_nl80211_data *drv = bss->drv;
10153 struct nl_msg *msg;
10154 int ret;
10155 unsigned int i;
10156 struct nlattr *params;
10157 struct nl80211_pcl param;
10158 enum qca_iface_type iface_type;
10159
10160 if (!drv->get_pref_freq_list)
10161 return -1;
10162
10163 switch (if_type) {
10164 case WPA_IF_STATION:
10165 iface_type = QCA_IFACE_TYPE_STA;
10166 break;
10167 case WPA_IF_AP_BSS:
10168 iface_type = QCA_IFACE_TYPE_AP;
10169 break;
10170 case WPA_IF_P2P_GO:
10171 iface_type = QCA_IFACE_TYPE_P2P_GO;
10172 break;
10173 case WPA_IF_P2P_CLIENT:
10174 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
10175 break;
10176 case WPA_IF_IBSS:
10177 iface_type = QCA_IFACE_TYPE_IBSS;
10178 break;
10179 case WPA_IF_TDLS:
10180 iface_type = QCA_IFACE_TYPE_TDLS;
10181 break;
10182 default:
10183 return -1;
10184 }
10185
10186 param.num = *num;
10187 param.freq_list = freq_list;
10188
10189 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10190 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
10191 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10192 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10193 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
10194 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10195 nla_put_u32(msg,
10196 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
10197 iface_type)) {
10198 wpa_printf(MSG_ERROR,
10199 "%s: err in adding vendor_cmd and vendor_data",
10200 __func__);
10201 nlmsg_free(msg);
10202 return -1;
10203 }
10204 nla_nest_end(msg, params);
10205
10206 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
10207 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
10208 if (ret) {
10209 wpa_printf(MSG_ERROR,
10210 "%s: err in send_and_recv_msgs", __func__);
10211 return ret;
10212 }
10213
10214 *num = param.num;
10215
10216 for (i = 0; i < *num; i++) {
10217 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
10218 i, freq_list[i]);
10219 }
10220
10221 return 0;
10222 }
10223
10224
10225 static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
10226 {
10227 struct i802_bss *bss = priv;
10228 struct wpa_driver_nl80211_data *drv = bss->drv;
10229 struct nl_msg *msg;
10230 int ret;
10231 struct nlattr *params;
10232
10233 if (!drv->set_prob_oper_freq)
10234 return -1;
10235
10236 wpa_printf(MSG_DEBUG,
10237 "nl80211: Set P2P probable operating freq %u for ifindex %d",
10238 freq, bss->ifindex);
10239
10240 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10241 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10242 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10243 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
10244 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10245 nla_put_u32(msg,
10246 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
10247 QCA_IFACE_TYPE_P2P_CLIENT) ||
10248 nla_put_u32(msg,
10249 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
10250 freq)) {
10251 wpa_printf(MSG_ERROR,
10252 "%s: err in adding vendor_cmd and vendor_data",
10253 __func__);
10254 nlmsg_free(msg);
10255 return -1;
10256 }
10257 nla_nest_end(msg, params);
10258
10259 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10260 msg = NULL;
10261 if (ret) {
10262 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
10263 __func__);
10264 return ret;
10265 }
10266 nlmsg_free(msg);
10267 return 0;
10268 }
10269
10270
10271 static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
10272 unsigned int period, unsigned int interval,
10273 unsigned int count, const u8 *device_types,
10274 size_t dev_types_len,
10275 const u8 *ies, size_t ies_len)
10276 {
10277 struct i802_bss *bss = priv;
10278 struct wpa_driver_nl80211_data *drv = bss->drv;
10279 struct nl_msg *msg;
10280 struct nlattr *container;
10281 int ret;
10282
10283 wpa_printf(MSG_DEBUG,
10284 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
10285 freq, period, interval, count);
10286
10287 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10288 return -1;
10289
10290 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10291 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10292 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10293 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
10294 goto fail;
10295
10296 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10297 if (!container)
10298 goto fail;
10299
10300 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
10301 freq) ||
10302 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
10303 period) ||
10304 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
10305 interval) ||
10306 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
10307 count) ||
10308 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
10309 dev_types_len, device_types) ||
10310 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
10311 ies_len, ies))
10312 goto fail;
10313
10314 nla_nest_end(msg, container);
10315 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10316 msg = NULL;
10317 if (ret) {
10318 wpa_printf(MSG_DEBUG,
10319 "nl80211: Failed to send P2P Listen offload vendor command");
10320 goto fail;
10321 }
10322
10323 return 0;
10324
10325 fail:
10326 nlmsg_free(msg);
10327 return -1;
10328 }
10329
10330
10331 static int nl80211_p2p_lo_stop(void *priv)
10332 {
10333 struct i802_bss *bss = priv;
10334 struct wpa_driver_nl80211_data *drv = bss->drv;
10335 struct nl_msg *msg;
10336
10337 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
10338
10339 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10340 return -1;
10341
10342 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10343 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10344 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10345 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
10346 nlmsg_free(msg);
10347 return -1;
10348 }
10349
10350 return send_and_recv_msgs(drv, msg, NULL, NULL);
10351 }
10352
10353
10354 static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
10355 {
10356 struct i802_bss *bss = priv;
10357 struct wpa_driver_nl80211_data *drv = bss->drv;
10358 struct nl_msg *msg;
10359 struct nlattr *params;
10360 int ret;
10361 u32 tdls_mode;
10362
10363 wpa_printf(MSG_DEBUG,
10364 "nl80211: Set TDKS mode: tdls_external_control=%d",
10365 tdls_external_control);
10366
10367 if (tdls_external_control == 1)
10368 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
10369 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
10370 else
10371 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
10372
10373 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10374 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10375 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10376 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
10377 goto fail;
10378
10379 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10380 if (!params)
10381 goto fail;
10382
10383 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
10384 tdls_mode))
10385 goto fail;
10386
10387 nla_nest_end(msg, params);
10388
10389 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10390 msg = NULL;
10391 if (ret) {
10392 wpa_printf(MSG_ERROR,
10393 "nl80211: Set TDLS mode failed: ret=%d (%s)",
10394 ret, strerror(-ret));
10395 goto fail;
10396 }
10397 return 0;
10398 fail:
10399 nlmsg_free(msg);
10400 return -1;
10401 }
10402
10403
10404 #ifdef CONFIG_MBO
10405
10406 static enum mbo_transition_reject_reason
10407 nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
10408 {
10409 switch (status) {
10410 case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
10411 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
10412 case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
10413 return MBO_TRANSITION_REJECT_REASON_DELAY;
10414 case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
10415 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
10416 case QCA_STATUS_REJECT_LOW_RSSI:
10417 return MBO_TRANSITION_REJECT_REASON_RSSI;
10418 case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
10419 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
10420 case QCA_STATUS_REJECT_UNKNOWN:
10421 default:
10422 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
10423 }
10424 }
10425
10426
10427 static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
10428 struct nlattr *tb[], int num)
10429 {
10430 enum qca_wlan_btm_candidate_status status;
10431 char buf[50];
10432
10433 os_memcpy(candidate->bssid,
10434 nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
10435 ETH_ALEN);
10436
10437 status = nla_get_u32(
10438 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
10439 candidate->is_accept = status == QCA_STATUS_ACCEPT;
10440 candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
10441
10442 if (candidate->is_accept)
10443 os_snprintf(buf, sizeof(buf), "Accepted");
10444 else
10445 os_snprintf(buf, sizeof(buf),
10446 "Rejected, Reject_reason: %d",
10447 candidate->reject_reason);
10448 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s",
10449 num, MAC2STR(candidate->bssid), buf);
10450 }
10451
10452
10453 static int
10454 nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
10455 {
10456 struct wpa_bss_candidate_info *info = arg;
10457 struct candidate_list *candidate = info->candidates;
10458 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
10459 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10460 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
10461 static struct nla_policy policy[
10462 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
10463 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
10464 .minlen = ETH_ALEN
10465 },
10466 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
10467 .type = NLA_U32,
10468 },
10469 };
10470 struct nlattr *attr;
10471 int rem;
10472 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10473 u8 num;
10474
10475 num = info->num; /* number of candidates sent to driver */
10476 info->num = 0;
10477 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10478 genlmsg_attrlen(gnlh, 0), NULL);
10479
10480 if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
10481 nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10482 tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
10483 !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
10484 return NL_SKIP;
10485
10486 wpa_printf(MSG_DEBUG,
10487 "nl80211: WNM Candidate list received from driver");
10488 nla_for_each_nested(attr,
10489 tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
10490 rem) {
10491 if (info->num >= num ||
10492 nla_parse_nested(
10493 tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
10494 attr, policy) ||
10495 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
10496 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
10497 break;
10498
10499 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
10500
10501 candidate++;
10502 info->num++;
10503 }
10504
10505 return NL_SKIP;
10506 }
10507
10508
10509 static struct wpa_bss_candidate_info *
10510 nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
10511 {
10512 struct i802_bss *bss = priv;
10513 struct wpa_driver_nl80211_data *drv = bss->drv;
10514 struct nl_msg *msg;
10515 struct nlattr *attr, *attr1, *attr2;
10516 struct wpa_bss_candidate_info *info;
10517 u8 i;
10518 int ret;
10519 u8 *pos;
10520
10521 if (!drv->fetch_bss_trans_status)
10522 return NULL;
10523
10524 info = os_zalloc(sizeof(*info));
10525 if (!info)
10526 return NULL;
10527 /* Allocate memory for number of candidates sent to driver */
10528 info->candidates = os_calloc(params->n_candidates,
10529 sizeof(*info->candidates));
10530 if (!info->candidates) {
10531 os_free(info);
10532 return NULL;
10533 }
10534
10535 /* Copy the number of candidates being sent to driver. This is used in
10536 * nl80211_get_bss_transition_status_handler() to limit the number of
10537 * candidates that can be populated in info->candidates and will be
10538 * later overwritten with the actual number of candidates received from
10539 * the driver.
10540 */
10541 info->num = params->n_candidates;
10542
10543 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10544 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10545 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10546 QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
10547 goto fail;
10548
10549 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10550 if (!attr)
10551 goto fail;
10552
10553 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
10554 params->mbo_transition_reason))
10555 goto fail;
10556
10557 attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
10558 if (!attr1)
10559 goto fail;
10560
10561 wpa_printf(MSG_DEBUG,
10562 "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
10563 params->mbo_transition_reason, params->n_candidates);
10564 pos = params->bssid;
10565 for (i = 0; i < params->n_candidates; i++) {
10566 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i,
10567 MAC2STR(pos));
10568 attr2 = nla_nest_start(msg, i);
10569 if (!attr2 ||
10570 nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
10571 ETH_ALEN, pos))
10572 goto fail;
10573 pos += ETH_ALEN;
10574 nla_nest_end(msg, attr2);
10575 }
10576
10577 nla_nest_end(msg, attr1);
10578 nla_nest_end(msg, attr);
10579
10580 ret = send_and_recv_msgs(drv, msg,
10581 nl80211_get_bss_transition_status_handler,
10582 info);
10583 msg = NULL;
10584 if (ret) {
10585 wpa_printf(MSG_ERROR,
10586 "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
10587 ret, strerror(-ret));
10588 goto fail;
10589 }
10590 return info;
10591
10592 fail:
10593 nlmsg_free(msg);
10594 os_free(info->candidates);
10595 os_free(info);
10596 return NULL;
10597 }
10598
10599
10600 /**
10601 * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
10602 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
10603 * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
10604 * Returns: 0 on success, -1 on failure
10605 */
10606 static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
10607 {
10608 struct i802_bss *bss = priv;
10609 struct wpa_driver_nl80211_data *drv = bss->drv;
10610 struct nl_msg *msg;
10611 struct nlattr *attr;
10612 int ret = -1;
10613
10614 if (!drv->set_wifi_conf_vendor_cmd_avail)
10615 return -1;
10616
10617 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10618 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10619 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10620 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
10621 goto fail;
10622
10623 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10624 if (!attr)
10625 goto fail;
10626
10627 wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
10628 ignore_disallow);
10629 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
10630 ignore_disallow))
10631 goto fail;
10632
10633 nla_nest_end(msg, attr);
10634
10635 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10636 msg = NULL;
10637 if (ret) {
10638 wpa_printf(MSG_ERROR,
10639 "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
10640 ret, strerror(-ret));
10641 goto fail;
10642 }
10643
10644 fail:
10645 nlmsg_free(msg);
10646 return ret;
10647 }
10648
10649 #endif /* CONFIG_MBO */
10650
10651 #endif /* CONFIG_DRIVER_NL80211_QCA */
10652
10653
10654 static int nl80211_write_to_file(const char *name, unsigned int val)
10655 {
10656 int fd, len;
10657 char tmp[128];
10658
10659 fd = open(name, O_RDWR);
10660 if (fd < 0) {
10661 wpa_printf(MSG_ERROR, "nl80211: Failed to open %s: %s",
10662 name, strerror(errno));
10663 return fd;
10664 }
10665
10666 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
10667 len = write(fd, tmp, len);
10668 if (len < 0)
10669 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
10670 name, strerror(errno));
10671 close(fd);
10672
10673 return 0;
10674 }
10675
10676
10677 static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
10678 {
10679 struct i802_bss *bss = priv;
10680 char path[128];
10681 int ret;
10682
10683 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
10684 filter_flags);
10685
10686 /* Configure filtering of unicast frame encrypted using GTK */
10687 ret = os_snprintf(path, sizeof(path),
10688 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
10689 bss->ifname);
10690 if (os_snprintf_error(sizeof(path), ret))
10691 return -1;
10692
10693 ret = nl80211_write_to_file(path,
10694 !!(filter_flags &
10695 WPA_DATA_FRAME_FILTER_FLAG_GTK));
10696 if (ret) {
10697 wpa_printf(MSG_ERROR,
10698 "nl80211: Failed to set IPv4 unicast in multicast filter");
10699 return ret;
10700 }
10701
10702 os_snprintf(path, sizeof(path),
10703 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
10704 bss->ifname);
10705 ret = nl80211_write_to_file(path,
10706 !!(filter_flags &
10707 WPA_DATA_FRAME_FILTER_FLAG_GTK));
10708
10709 if (ret) {
10710 wpa_printf(MSG_ERROR,
10711 "nl80211: Failed to set IPv6 unicast in multicast filter");
10712 return ret;
10713 }
10714
10715 /* Configure filtering of unicast frame encrypted using GTK */
10716 os_snprintf(path, sizeof(path),
10717 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
10718 bss->ifname);
10719 ret = nl80211_write_to_file(path,
10720 !!(filter_flags &
10721 WPA_DATA_FRAME_FILTER_FLAG_ARP));
10722 if (ret) {
10723 wpa_printf(MSG_ERROR,
10724 "nl80211: Failed set gratuitous ARP filter");
10725 return ret;
10726 }
10727
10728 /* Configure filtering of IPv6 NA frames */
10729 os_snprintf(path, sizeof(path),
10730 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
10731 bss->ifname);
10732 ret = nl80211_write_to_file(path,
10733 !!(filter_flags &
10734 WPA_DATA_FRAME_FILTER_FLAG_NA));
10735 if (ret) {
10736 wpa_printf(MSG_ERROR,
10737 "nl80211: Failed to set unsolicited NA filter");
10738 return ret;
10739 }
10740
10741 return 0;
10742 }
10743
10744
10745 static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
10746 const u8 **ext_capa, const u8 **ext_capa_mask,
10747 unsigned int *ext_capa_len)
10748 {
10749 struct i802_bss *bss = priv;
10750 struct wpa_driver_nl80211_data *drv = bss->drv;
10751 enum nl80211_iftype nlmode;
10752 unsigned int i;
10753
10754 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
10755 return -1;
10756
10757 nlmode = wpa_driver_nl80211_if_type(type);
10758
10759 /* By default, use the per-radio values */
10760 *ext_capa = drv->extended_capa;
10761 *ext_capa_mask = drv->extended_capa_mask;
10762 *ext_capa_len = drv->extended_capa_len;
10763
10764 /* Replace the default value if a per-interface type value exists */
10765 for (i = 0; i < drv->num_iface_ext_capa; i++) {
10766 if (nlmode == drv->iface_ext_capa[i].iftype) {
10767 *ext_capa = drv->iface_ext_capa[i].ext_capa;
10768 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
10769 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
10770 break;
10771 }
10772 }
10773
10774 return 0;
10775 }
10776
10777
10778 static int nl80211_update_connection_params(
10779 void *priv, struct wpa_driver_associate_params *params,
10780 enum wpa_drv_update_connect_params_mask mask)
10781 {
10782 struct i802_bss *bss = priv;
10783 struct wpa_driver_nl80211_data *drv = bss->drv;
10784 struct nl_msg *msg;
10785 int ret = -1;
10786 enum nl80211_auth_type type;
10787
10788 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
10789 if (!msg)
10790 goto fail;
10791
10792 wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
10793 drv->ifindex);
10794
10795 if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
10796 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
10797 params->wpa_ie))
10798 goto fail;
10799 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie,
10800 params->wpa_ie_len);
10801 }
10802
10803 if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
10804 type = get_nl_auth_type(params->auth_alg);
10805 if (type == NL80211_AUTHTYPE_MAX ||
10806 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
10807 goto fail;
10808 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
10809 }
10810
10811 if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
10812 nl80211_put_fils_connect_params(drv, params, msg))
10813 goto fail;
10814
10815 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10816 msg = NULL;
10817 if (ret)
10818 wpa_dbg(drv->ctx, MSG_DEBUG,
10819 "nl80211: Update connect params command failed: ret=%d (%s)",
10820 ret, strerror(-ret));
10821
10822 fail:
10823 nlmsg_free(msg);
10824 return ret;
10825 }
10826
10827
10828 static int nl80211_send_external_auth_status(void *priv,
10829 struct external_auth *params)
10830 {
10831 struct i802_bss *bss = priv;
10832 struct wpa_driver_nl80211_data *drv = bss->drv;
10833 struct nl_msg *msg = NULL;
10834 int ret = -1;
10835
10836 /* External auth command/status is intended for drivers that implement
10837 * intenral SME but want to offload authentication processing (e.g.,
10838 * SAE) to hostapd/wpa_supplicant. Do nott send the status to drivers
10839 * which do not support AP SME or use wpa_supplicant/hostapd SME.
10840 */
10841 if (!bss->drv->device_ap_sme ||
10842 (drv->capa.flags & WPA_DRIVER_FLAGS_SME))
10843 return -1;
10844
10845 wpa_dbg(drv->ctx, MSG_DEBUG,
10846 "nl80211: External auth status: %u", params->status);
10847
10848 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH);
10849 if (!msg ||
10850 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) ||
10851 (params->ssid && params->ssid_len &&
10852 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
10853 (params->pmkid &&
10854 nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) ||
10855 (params->bssid &&
10856 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
10857 goto fail;
10858 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10859 msg = NULL;
10860 if (ret) {
10861 wpa_printf(MSG_DEBUG,
10862 "nl80211: External Auth status update failed: ret=%d (%s)",
10863 ret, strerror(-ret));
10864 goto fail;
10865 }
10866 fail:
10867 nlmsg_free(msg);
10868 return ret;
10869 }
10870
10871
10872 static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
10873 int val)
10874 {
10875 struct i802_bss *bss = priv;
10876 struct wpa_driver_nl80211_data *drv = bss->drv;
10877 struct nl_msg *msg;
10878 int ret = -ENOBUFS;
10879
10880 wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
10881 val ? "Enable" : "Disable", bridge_ifname);
10882
10883 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
10884 if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
10885 goto fail;
10886
10887 if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
10888 if (linux_br_del_if(drv->global->ioctl_sock,
10889 bridge_ifname, bss->ifname)) {
10890 wpa_printf(MSG_ERROR,
10891 "nl80211: Failed to remove interface %s from bridge %s",
10892 bss->ifname, bridge_ifname);
10893 return -1;
10894 }
10895 bss->added_if_into_bridge = 0;
10896 }
10897
10898 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10899 msg = NULL;
10900 if (!ret) {
10901 if (bridge_ifname[0] && val &&
10902 i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
10903 return -1;
10904 return 0;
10905 }
10906
10907 fail:
10908 nlmsg_free(msg);
10909 wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
10910
10911 return ret;
10912 }
10913
10914
10915 const struct wpa_driver_ops wpa_driver_nl80211_ops = {
10916 .name = "nl80211",
10917 .desc = "Linux nl80211/cfg80211",
10918 .get_bssid = wpa_driver_nl80211_get_bssid,
10919 .get_ssid = wpa_driver_nl80211_get_ssid,
10920 .set_key = driver_nl80211_set_key,
10921 .scan2 = driver_nl80211_scan2,
10922 .sched_scan = wpa_driver_nl80211_sched_scan,
10923 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
10924 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
10925 .abort_scan = wpa_driver_nl80211_abort_scan,
10926 .deauthenticate = driver_nl80211_deauthenticate,
10927 .authenticate = driver_nl80211_authenticate,
10928 .associate = wpa_driver_nl80211_associate,
10929 .global_init = nl80211_global_init,
10930 .global_deinit = nl80211_global_deinit,
10931 .init2 = wpa_driver_nl80211_init,
10932 .deinit = driver_nl80211_deinit,
10933 .get_capa = wpa_driver_nl80211_get_capa,
10934 .set_operstate = wpa_driver_nl80211_set_operstate,
10935 .set_supp_port = wpa_driver_nl80211_set_supp_port,
10936 .set_country = wpa_driver_nl80211_set_country,
10937 .get_country = wpa_driver_nl80211_get_country,
10938 .set_ap = wpa_driver_nl80211_set_ap,
10939 .set_acl = wpa_driver_nl80211_set_acl,
10940 .if_add = wpa_driver_nl80211_if_add,
10941 .if_remove = driver_nl80211_if_remove,
10942 .send_mlme = driver_nl80211_send_mlme,
10943 .get_hw_feature_data = nl80211_get_hw_feature_data,
10944 .sta_add = wpa_driver_nl80211_sta_add,
10945 .sta_remove = driver_nl80211_sta_remove,
10946 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
10947 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
10948 .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight,
10949 .hapd_init = i802_init,
10950 .hapd_deinit = i802_deinit,
10951 .set_wds_sta = i802_set_wds_sta,
10952 .get_seqnum = i802_get_seqnum,
10953 .flush = i802_flush,
10954 .get_inact_sec = i802_get_inact_sec,
10955 .sta_clear_stats = i802_sta_clear_stats,
10956 .set_rts = i802_set_rts,
10957 .set_frag = i802_set_frag,
10958 .set_tx_queue_params = i802_set_tx_queue_params,
10959 .set_sta_vlan = driver_nl80211_set_sta_vlan,
10960 .sta_deauth = i802_sta_deauth,
10961 .sta_disassoc = i802_sta_disassoc,
10962 .read_sta_data = driver_nl80211_read_sta_data,
10963 .set_freq = i802_set_freq,
10964 .send_action = driver_nl80211_send_action,
10965 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
10966 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
10967 .cancel_remain_on_channel =
10968 wpa_driver_nl80211_cancel_remain_on_channel,
10969 .probe_req_report = driver_nl80211_probe_req_report,
10970 .deinit_ap = wpa_driver_nl80211_deinit_ap,
10971 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
10972 .resume = wpa_driver_nl80211_resume,
10973 .signal_monitor = nl80211_signal_monitor,
10974 .signal_poll = nl80211_signal_poll,
10975 .channel_info = nl80211_channel_info,
10976 .send_frame = nl80211_send_frame,
10977 .set_param = nl80211_set_param,
10978 .get_radio_name = nl80211_get_radio_name,
10979 .add_pmkid = nl80211_add_pmkid,
10980 .remove_pmkid = nl80211_remove_pmkid,
10981 .flush_pmkid = nl80211_flush_pmkid,
10982 .set_rekey_info = nl80211_set_rekey_info,
10983 .poll_client = nl80211_poll_client,
10984 .set_p2p_powersave = nl80211_set_p2p_powersave,
10985 .start_dfs_cac = nl80211_start_radar_detection,
10986 .stop_ap = wpa_driver_nl80211_stop_ap,
10987 #ifdef CONFIG_TDLS
10988 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
10989 .tdls_oper = nl80211_tdls_oper,
10990 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
10991 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
10992 #endif /* CONFIG_TDLS */
10993 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
10994 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
10995 .get_survey = wpa_driver_nl80211_get_survey,
10996 .status = wpa_driver_nl80211_status,
10997 .switch_channel = nl80211_switch_channel,
10998 #ifdef ANDROID_P2P
10999 .set_noa = wpa_driver_set_p2p_noa,
11000 .get_noa = wpa_driver_get_p2p_noa,
11001 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
11002 #endif /* ANDROID_P2P */
11003 #ifdef ANDROID
11004 #ifndef ANDROID_LIB_STUB
11005 .driver_cmd = wpa_driver_nl80211_driver_cmd,
11006 #endif /* !ANDROID_LIB_STUB */
11007 #endif /* ANDROID */
11008 .vendor_cmd = nl80211_vendor_cmd,
11009 .set_qos_map = nl80211_set_qos_map,
11010 .set_wowlan = nl80211_set_wowlan,
11011 .set_mac_addr = nl80211_set_mac_addr,
11012 #ifdef CONFIG_MESH
11013 .init_mesh = wpa_driver_nl80211_init_mesh,
11014 .join_mesh = wpa_driver_nl80211_join_mesh,
11015 .leave_mesh = wpa_driver_nl80211_leave_mesh,
11016 #endif /* CONFIG_MESH */
11017 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
11018 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
11019 .br_port_set_attr = wpa_driver_br_port_set_attr,
11020 .br_set_net_param = wpa_driver_br_set_net_param,
11021 .add_tx_ts = nl80211_add_ts,
11022 .del_tx_ts = nl80211_del_ts,
11023 .get_ifindex = nl80211_get_ifindex,
11024 #ifdef CONFIG_DRIVER_NL80211_QCA
11025 .roaming = nl80211_roaming,
11026 .disable_fils = nl80211_disable_fils,
11027 .do_acs = wpa_driver_do_acs,
11028 .set_band = nl80211_set_band,
11029 .get_pref_freq_list = nl80211_get_pref_freq_list,
11030 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
11031 .p2p_lo_start = nl80211_p2p_lo_start,
11032 .p2p_lo_stop = nl80211_p2p_lo_stop,
11033 .set_default_scan_ies = nl80211_set_default_scan_ies,
11034 .set_tdls_mode = nl80211_set_tdls_mode,
11035 #ifdef CONFIG_MBO
11036 .get_bss_transition_status = nl80211_get_bss_transition_status,
11037 .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
11038 #endif /* CONFIG_MBO */
11039 .set_bssid_blacklist = nl80211_set_bssid_blacklist,
11040 #endif /* CONFIG_DRIVER_NL80211_QCA */
11041 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
11042 .get_ext_capab = nl80211_get_ext_capab,
11043 .update_connect_params = nl80211_update_connection_params,
11044 .send_external_auth_status = nl80211_send_external_auth_status,
11045 .set_4addr_mode = nl80211_set_4addr_mode,
11046 };
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