]> git.ipfire.org Git - thirdparty/hostap.git/blame - src/drivers/driver_nl80211.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
nl80211: Fix NL80211_ATTR_SMPS_MODE encoding
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
98cd3d1c 3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
072ad14c
JM		 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>
58f6fbe0 7 * Copyright (c) 2009-2010, Atheros Communications
3f5285e8 8 *
0f3d578e
JM		 9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
3f5285e8
JM		 11 */
12
13#include "includes.h"
6859f1cb 14#include <sys/types.h>
73d2294f 15#include <fcntl.h>
37b7d082 16#include <net/if.h>
3f5285e8 17#include <netlink/genl/genl.h>
3f5285e8 18#include <netlink/genl/ctrl.h>
97ed9a06
KP		 19#ifdef CONFIG_LIBNL3_ROUTE
20#include <netlink/route/neighbour.h>
21#endif /* CONFIG_LIBNL3_ROUTE */
8602b0f2 22#include <linux/rtnetlink.h>
1b648c7e 23#include <netpacket/packet.h>
32ab4855 24#include <linux/errqueue.h>
625f587b 25
3f5285e8 26#include "common.h"
1b648c7e 27#include "eloop.h"
1682c623 28#include "common/qca-vendor.h"
a26582cb 29#include "common/qca-vendor-attr.h"
1b648c7e 30#include "common/ieee802_11_defs.h"
9b90955e 31#include "common/ieee802_11_common.h"
3aa24db9 32#include "common/wpa_common.h"
f10bfc9a 33#include "l2_packet/l2_packet.h"
e2d02c29 34#include "netlink.h"
1474e6e9 35#include "linux_defines.h"
34f2f814 36#include "linux_ioctl.h"
e2d02c29
JM		 37#include "radiotap.h"
38#include "radiotap_iter.h"
8401a6b0 39#include "rfkill.h"
1474e6e9 40#include "driver_nl80211.h"
32ab4855 41
1474e6e9
JM		 42
43#ifndef CONFIG_LIBNL20
a65a9aed
JB		 44/*
45 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
46 * but when you free a socket again it will mess up its bitmap and
47 * and use the wrong number the next time it needs a socket ID.
48 * Therefore, we wrap the handle alloc/destroy and add our own pid
49 * accounting.
50 */
51static uint32_t port_bitmap[32] = { 0 };
52
53static struct nl_handle *nl80211_handle_alloc(void *cb)
54{
55 struct nl_handle *handle;
56 uint32_t pid = getpid() & 0x3FFFFF;
57 int i;
58
59 handle = nl_handle_alloc_cb(cb);
60
61 for (i = 0; i < 1024; i++) {
62 if (port_bitmap[i / 32] & (1 << (i % 32)))
63 continue;
64 port_bitmap[i / 32] |= 1 << (i % 32);
65 pid += i << 22;
66 break;
67 }
68
69 nl_socket_set_local_port(handle, pid);
70
71 return handle;
72}
73
74static void nl80211_handle_destroy(struct nl_handle *handle)
75{
76 uint32_t port = nl_socket_get_local_port(handle);
77
78 port >>= 22;
79 port_bitmap[port / 32] &= ~(1 << (port % 32));
80
81 nl_handle_destroy(handle);
82}
c5121837
JM		 83#endif /* CONFIG_LIBNL20 */
84
c5121837 85
1c6edec6
JM		 86#ifdef ANDROID
87/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
1c6edec6
JM		 88#undef nl_socket_set_nonblocking
89#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
70a96c81 90
1c6edec6
JM		 91#endif /* ANDROID */
92
93
481234cf 94static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 95{
481234cf 96 struct nl_handle *handle;
a92dfde8 97
481234cf
JM		 98 handle = nl80211_handle_alloc(cb);
99 if (handle == NULL) {
a92dfde8
JB		 100 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
101 "callbacks (%s)", dbg);
481234cf 102 return NULL;
a92dfde8
JB		 103 }
104
481234cf 105 if (genl_connect(handle)) {
a92dfde8
JB		 106 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
107 "netlink (%s)", dbg);
481234cf
JM		 108 nl80211_handle_destroy(handle);
109 return NULL;
a92dfde8
JB		 110 }
111
481234cf 112 return handle;
a92dfde8
JB		 113}
114
115
481234cf 116static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 117{
481234cf 118 if (*handle == NULL)
a92dfde8 119 return;
481234cf
JM		 120 nl80211_handle_destroy(*handle);
121 *handle = NULL;
a92dfde8
JB		 122}
123
124
10b85921
JB		 125#if __WORDSIZE == 64
126#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
127#else
128#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
129#endif
130
5f65e9f7
JB		 131static void nl80211_register_eloop_read(struct nl_handle **handle,
132 eloop_sock_handler handler,
133 void *eloop_data)
134{
fa38860c 135#ifdef CONFIG_LIBNL20
630b3230
JM		 136 /*
137 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
138 * by default. It is possible to hit that limit in some cases where
139 * operations are blocked, e.g., with a burst of Deauthentication frames
140 * to hostapd and STA entry deletion. Try to increase the buffer to make
141 * this less likely to occur.
142 */
143 if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
144 wpa_printf(MSG_DEBUG,
145 "nl80211: Could not set nl_socket RX buffer size: %s",
146 strerror(errno));
147 /* continue anyway with the default (smaller) buffer */
148 }
fa38860c 149#endif /* CONFIG_LIBNL20 */
630b3230 150
10b85921 151 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 152 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
153 eloop_data, *handle);
10b85921 154 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 155}
156
157
158static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
159{
10b85921 160 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 161 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
162 nl_destroy_handles(handle);
163}
164
165
36d84860 166static void nl80211_global_deinit(void *priv);
f51f54a0 167static void nl80211_check_global(struct nl80211_global *global);
36d84860 168
9ebce9c5 169static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
4ec68377
JD		 170static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
171 struct hostapd_freq_params *freq);
3c5d34e3 172
362f781e 173static int
0d547d5f 174wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 175 const u8 *set_addr, int first,
176 const char *driver_params);
88df0ef7 177static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 178 unsigned int freq, unsigned int wait,
b106173a 179 const u8 *buf, size_t buf_len, u64 *cookie,
2d3943ce
AO		 180 int no_cck, int no_ack, int offchanok,
181 const u16 *csa_offs, size_t csa_offs_len);
9ebce9c5
JM		 182static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
183 int report);
0915d02c 184
732b1d20
MB		 185#define IFIDX_ANY -1
186
187static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
188 int ifidx_reason);
189static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
190 int ifidx_reason);
191static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
192 int ifidx_reason);
072ad14c 193
e87ef751
PX		 194static int nl80211_set_channel(struct i802_bss *bss,
195 struct hostapd_freq_params *freq, int set_chan);
4e5cb1a3
JM		 196static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
197 int ifindex, int disabled);
504e905c 198
666e508c
JM		 199static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
200 int reset_mode);
21bdbe38 201
bf83eab5 202static int i802_set_iface_flags(struct i802_bss *bss, int up);
0ecff8d7 203static int nl80211_set_param(void *priv, const char *param);
052b8d38
MH		 204#ifdef CONFIG_MESH
205static int nl80211_put_mesh_config(struct nl_msg *msg,
206 struct wpa_driver_mesh_bss_params *params);
207#endif /* CONFIG_MESH */
05e5e615
DL		 208static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
209 int reason);
bf83eab5 210
3f5285e8 211
8d1fdde7 212/* Converts nl80211_chan_width to a common format */
f3407c66 213enum chan_width convert2width(int width)
8d1fdde7
JD		 214{
215 switch (width) {
216 case NL80211_CHAN_WIDTH_20_NOHT:
217 return CHAN_WIDTH_20_NOHT;
218 case NL80211_CHAN_WIDTH_20:
219 return CHAN_WIDTH_20;
220 case NL80211_CHAN_WIDTH_40:
221 return CHAN_WIDTH_40;
222 case NL80211_CHAN_WIDTH_80:
223 return CHAN_WIDTH_80;
224 case NL80211_CHAN_WIDTH_80P80:
225 return CHAN_WIDTH_80P80;
226 case NL80211_CHAN_WIDTH_160:
227 return CHAN_WIDTH_160;
228 }
229 return CHAN_WIDTH_UNKNOWN;
230}
231
232
f3407c66 233int is_ap_interface(enum nl80211_iftype nlmode)
b1f625e0 234{
0e80ea2c
JM		 235 return nlmode == NL80211_IFTYPE_AP ||
236 nlmode == NL80211_IFTYPE_P2P_GO;
b1f625e0
EP		 237}
238
239
477af8f8 240int is_sta_interface(enum nl80211_iftype nlmode)
b1f625e0 241{
0e80ea2c
JM		 242 return nlmode == NL80211_IFTYPE_STATION ||
243 nlmode == NL80211_IFTYPE_P2P_CLIENT;
b1f625e0
EP		 244}
245
246
6a71413e 247static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2 248{
0e80ea2c
JM		 249 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
250 nlmode == NL80211_IFTYPE_P2P_GO;
b3af99d2
JM		 251}
252
253
f3407c66
JM		 254struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
255 int ifindex)
5dfbd725
JM		 256{
257 struct i802_bss *bss;
258
259 for (bss = drv->first_bss; bss; bss = bss->next) {
260 if (bss->ifindex == ifindex)
261 return bss;
262 }
263
264 return NULL;
265}
266
267
afb0550a
BC		 268static int is_mesh_interface(enum nl80211_iftype nlmode)
269{
270 return nlmode == NL80211_IFTYPE_MESH_POINT;
271}
272
273
f3407c66 274void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
add9b7a4
JM		 275{
276 if (drv->associated)
277 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
278 drv->associated = 0;
279 os_memset(drv->bssid, 0, ETH_ALEN);
280}
281
282
6241fcb1
JM		 283/* nl80211 code */
284static int ack_handler(struct nl_msg *msg, void *arg)
285{
286 int *err = arg;
287 *err = 0;
288 return NL_STOP;
289}
290
291static int finish_handler(struct nl_msg *msg, void *arg)
292{
8e8df255
JM		 293 int *ret = arg;
294 *ret = 0;
6241fcb1
JM		 295 return NL_SKIP;
296}
297
298static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
299 void *arg)
300{
301 int *ret = arg;
302 *ret = err->error;
303 return NL_SKIP;
304}
305
5b7b85f6
JM		 306
307static int no_seq_check(struct nl_msg *msg, void *arg)
308{
309 return NL_OK;
310}
311
312
bbd89bfc
JM		 313static void nl80211_nlmsg_clear(struct nl_msg *msg)
314{
315 /*
316 * Clear nlmsg data, e.g., to make sure key material is not left in
317 * heap memory for unnecessarily long time.
318 */
319 if (msg) {
320 struct nlmsghdr *hdr = nlmsg_hdr(msg);
321 void *data = nlmsg_data(hdr);
d58ade21
JM		 322 /*
323 * This would use nlmsg_datalen() or the older nlmsg_len() if
324 * only libnl were to maintain a stable API.. Neither will work
325 * with all released versions, so just calculate the length
326 * here.
327 */
328 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
bbd89bfc
JM		 329
330 os_memset(data, 0, len);
331 }
332}
333
334
d6c9aab8 335static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 336 struct nl_handle *nl_handle, struct nl_msg *msg,
337 int (*valid_handler)(struct nl_msg *, void *),
338 void *valid_data)
6241fcb1
JM		 339{
340 struct nl_cb *cb;
341 int err = -ENOMEM;
342
9725b784
JM		 343 if (!msg)
344 return -ENOMEM;
345
d6c9aab8 346 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 347 if (!cb)
348 goto out;
349
58f6fbe0 350 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 351 if (err < 0)
352 goto out;
353
354 err = 1;
355
356 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 357 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 358 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
359
360 if (valid_handler)
361 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
362 valid_handler, valid_data);
363
34068ac3
JM		 364 while (err > 0) {
365 int res = nl_recvmsgs(nl_handle, cb);
d3d04831 366 if (res < 0) {
34068ac3
JM		 367 wpa_printf(MSG_INFO,
368 "nl80211: %s->nl_recvmsgs failed: %d",
369 __func__, res);
370 }
371 }
6241fcb1
JM		 372 out:
373 nl_cb_put(cb);
bbd89bfc
JM		 374 if (!valid_handler && valid_data == (void *) -1)
375 nl80211_nlmsg_clear(msg);
6241fcb1
JM		 376 nlmsg_free(msg);
377 return err;
378}
379
380
f3407c66
JM		 381int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
382 struct nl_msg *msg,
383 int (*valid_handler)(struct nl_msg *, void *),
384 void *valid_data)
58f6fbe0 385{
481234cf 386 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 387 valid_handler, valid_data);
58f6fbe0
JM		 388}
389
390
97865538
JM		 391struct family_data {
392 const char *group;
393 int id;
394};
395
396
397static int family_handler(struct nl_msg *msg, void *arg)
398{
399 struct family_data *res = arg;
400 struct nlattr *tb[CTRL_ATTR_MAX + 1];
401 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
402 struct nlattr *mcgrp;
403 int i;
404
405 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
406 genlmsg_attrlen(gnlh, 0), NULL);
407 if (!tb[CTRL_ATTR_MCAST_GROUPS])
408 return NL_SKIP;
409
410 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
411 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
412 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
413 nla_len(mcgrp), NULL);
414 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
415 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
416 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
417 res->group,
418 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
419 continue;
420 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
421 break;
422 };
423
424 return NL_SKIP;
425}
426
427
d6c9aab8 428static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 429 const char *family, const char *group)
430{
431 struct nl_msg *msg;
a862e4a3 432 int ret;
97865538
JM		 433 struct family_data res = { group, -ENOENT };
434
435 msg = nlmsg_alloc();
436 if (!msg)
437 return -ENOMEM;
a862e4a3
JM		 438 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
439 0, 0, CTRL_CMD_GETFAMILY, 0) ||
440 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
441 nlmsg_free(msg);
442 return -1;
443 }
97865538 444
1033315f 445 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
97865538
JM		 446 if (ret == 0)
447 ret = res.id;
97865538
JM		 448 return ret;
449}
450
451
f3407c66
JM		 452void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
453 struct nl_msg *msg, int flags, uint8_t cmd)
9fb04070 454{
a5a187b0
JM		 455 if (TEST_FAIL())
456 return NULL;
335d42b1 457 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 458 0, flags, cmd, 0);
9fb04070
JM		 459}
460
461
350acc35
JM		 462static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
463{
464 if (bss->wdev_id_set)
465 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
466 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
467}
468
469
07c7757c
JM		 470struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
471{
472 struct nl_msg *msg;
473
474 msg = nlmsg_alloc();
475 if (!msg)
476 return NULL;
477
478 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
479 nl80211_set_iface_id(msg, bss) < 0) {
480 nlmsg_free(msg);
481 return NULL;
482 }
483
484 return msg;
485}
486
487
488static struct nl_msg *
489nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
490 int flags, uint8_t cmd)
491{
492 struct nl_msg *msg;
493
494 msg = nlmsg_alloc();
495 if (!msg)
496 return NULL;
497
498 if (!nl80211_cmd(drv, msg, flags, cmd) ||
499 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
500 nlmsg_free(msg);
501 return NULL;
502 }
503
504 return msg;
505}
506
507
508struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
509 uint8_t cmd)
510{
511 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
512}
513
514
515struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
516{
517 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
518}
519
520
e32ad281
JB		 521struct wiphy_idx_data {
522 int wiphy_idx;
01517c8b 523 enum nl80211_iftype nlmode;
597b94f5 524 u8 *macaddr;
e32ad281
JB		 525};
526
527
528static int netdev_info_handler(struct nl_msg *msg, void *arg)
529{
530 struct nlattr *tb[NL80211_ATTR_MAX + 1];
531 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
532 struct wiphy_idx_data *info = arg;
533
534 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
535 genlmsg_attrlen(gnlh, 0), NULL);
536
537 if (tb[NL80211_ATTR_WIPHY])
538 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
539
01517c8b
JB		 540 if (tb[NL80211_ATTR_IFTYPE])
541 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
542
597b94f5
AS		 543 if (tb[NL80211_ATTR_MAC] && info->macaddr)
544 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
545 ETH_ALEN);
546
e32ad281
JB		 547 return NL_SKIP;
548}
549
550
f3407c66 551int nl80211_get_wiphy_index(struct i802_bss *bss)
e32ad281
JB		 552{
553 struct nl_msg *msg;
554 struct wiphy_idx_data data = {
555 .wiphy_idx = -1,
597b94f5 556 .macaddr = NULL,
e32ad281
JB		 557 };
558
56f77852 559 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 560 return -1;
e32ad281
JB		 561
562 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
563 return data.wiphy_idx;
e32ad281
JB		 564 return -1;
565}
566
567
01517c8b
JB		 568static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
569{
570 struct nl_msg *msg;
571 struct wiphy_idx_data data = {
597b94f5
AS		 572 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
573 .macaddr = NULL,
01517c8b
JB		 574 };
575
56f77852 576 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 577 return NL80211_IFTYPE_UNSPECIFIED;
01517c8b
JB		 578
579 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
580 return data.nlmode;
01517c8b
JB		 581 return NL80211_IFTYPE_UNSPECIFIED;
582}
01517c8b
JB		 583
584
597b94f5
AS		 585static int nl80211_get_macaddr(struct i802_bss *bss)
586{
587 struct nl_msg *msg;
588 struct wiphy_idx_data data = {
589 .macaddr = bss->addr,
590 };
591
56f77852 592 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 593 return -1;
597b94f5 594
597b94f5 595 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
597b94f5 596}
597b94f5
AS		 597
598
e32ad281
JB		 599static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
600 struct nl80211_wiphy_data *w)
601{
602 struct nl_msg *msg;
a862e4a3 603 int ret;
e32ad281
JB		 604
605 msg = nlmsg_alloc();
606 if (!msg)
607 return -1;
608
a862e4a3
JM		 609 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
610 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
611 nlmsg_free(msg);
612 return -1;
613 }
e32ad281 614
481234cf 615 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 616 if (ret) {
617 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
618 "failed: ret=%d (%s)",
619 ret, strerror(-ret));
e32ad281 620 }
e32ad281
JB		 621 return ret;
622}
623
624
625static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
626{
627 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 628 int res;
e32ad281 629
ee9fc67a 630 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 631
34068ac3 632 res = nl_recvmsgs(handle, w->nl_cb);
d3d04831 633 if (res < 0) {
34068ac3
JM		 634 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
635 __func__, res);
636 }
e32ad281
JB		 637}
638
639
640static int process_beacon_event(struct nl_msg *msg, void *arg)
641{
642 struct nl80211_wiphy_data *w = arg;
643 struct wpa_driver_nl80211_data *drv;
644 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
645 struct nlattr *tb[NL80211_ATTR_MAX + 1];
646 union wpa_event_data event;
647
648 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
649 genlmsg_attrlen(gnlh, 0), NULL);
650
651 if (gnlh->cmd != NL80211_CMD_FRAME) {
652 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
653 gnlh->cmd);
654 return NL_SKIP;
655 }
656
657 if (!tb[NL80211_ATTR_FRAME])
658 return NL_SKIP;
659
660 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
661 wiphy_list) {
662 os_memset(&event, 0, sizeof(event));
663 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
664 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
665 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
666 }
667
668 return NL_SKIP;
669}
670
671
672static struct nl80211_wiphy_data *
673nl80211_get_wiphy_data_ap(struct i802_bss *bss)
674{
675 static DEFINE_DL_LIST(nl80211_wiphys);
676 struct nl80211_wiphy_data *w;
677 int wiphy_idx, found = 0;
678 struct i802_bss *tmp_bss;
a70cd0db 679 u8 channel;
e32ad281
JB		 680
681 if (bss->wiphy_data != NULL)
682 return bss->wiphy_data;
683
684 wiphy_idx = nl80211_get_wiphy_index(bss);
685
686 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
687 if (w->wiphy_idx == wiphy_idx)
688 goto add;
689 }
690
691 /* alloc new one */
692 w = os_zalloc(sizeof(*w));
693 if (w == NULL)
694 return NULL;
695 w->wiphy_idx = wiphy_idx;
696 dl_list_init(&w->bsss);
697 dl_list_init(&w->drvs);
698
a70cd0db
DL		 699 /* Beacon frames not supported in IEEE 802.11ad */
700 if (ieee80211_freq_to_chan(bss->freq, &channel) !=
701 HOSTAPD_MODE_IEEE80211AD) {
702 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
703 if (!w->nl_cb) {
704 os_free(w);
705 return NULL;
706 }
707 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
708 no_seq_check, NULL);
709 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
710 process_beacon_event, w);
711
712 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
713 "wiphy beacons");
714 if (w->nl_beacons == NULL) {
715 os_free(w);
716 return NULL;
717 }
e32ad281 718
a70cd0db
DL		 719 if (nl80211_register_beacons(bss->drv, w)) {
720 nl_destroy_handles(&w->nl_beacons);
721 os_free(w);
722 return NULL;
723 }
e32ad281 724
a70cd0db
DL		 725 nl80211_register_eloop_read(&w->nl_beacons,
726 nl80211_recv_beacons, w);
e32ad281
JB		 727 }
728
e32ad281
JB		 729 dl_list_add(&nl80211_wiphys, &w->list);
730
731add:
732 /* drv entry for this bss already there? */
733 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
734 if (tmp_bss->drv == bss->drv) {
735 found = 1;
736 break;
737 }
738 }
739 /* if not add it */
740 if (!found)
741 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
742
743 dl_list_add(&w->bsss, &bss->wiphy_list);
744 bss->wiphy_data = w;
745 return w;
746}
747
748
749static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
750{
751 struct nl80211_wiphy_data *w = bss->wiphy_data;
752 struct i802_bss *tmp_bss;
753 int found = 0;
754
755 if (w == NULL)
756 return;
757 bss->wiphy_data = NULL;
758 dl_list_del(&bss->wiphy_list);
759
760 /* still any for this drv present? */
761 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
762 if (tmp_bss->drv == bss->drv) {
763 found = 1;
764 break;
765 }
766 }
767 /* if not remove it */
768 if (!found)
769 dl_list_del(&bss->drv->wiphy_list);
770
771 if (!dl_list_empty(&w->bsss))
772 return;
773
a70cd0db
DL		 774 if (w->nl_beacons)
775 nl80211_destroy_eloop_handle(&w->nl_beacons);
e32ad281
JB		 776
777 nl_cb_put(w->nl_cb);
e32ad281
JB		 778 dl_list_del(&w->list);
779 os_free(w);
780}
781
782
45e3fc72
RM		 783static unsigned int nl80211_get_ifindex(void *priv)
784{
785 struct i802_bss *bss = priv;
786 struct wpa_driver_nl80211_data *drv = bss->drv;
787
788 return drv->ifindex;
789}
790
791
3f5285e8
JM		 792static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
793{
a2e40bb6
FF		 794 struct i802_bss *bss = priv;
795 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 796 if (!drv->associated)
797 return -1;
798 os_memcpy(bssid, drv->bssid, ETH_ALEN);
799 return 0;
3f5285e8
JM		 800}
801
802
3f5285e8
JM		 803static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
804{
a2e40bb6
FF		 805 struct i802_bss *bss = priv;
806 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 807 if (!drv->associated)
808 return -1;
809 os_memcpy(ssid, drv->ssid, drv->ssid_len);
810 return drv->ssid_len;
3f5285e8
JM		 811}
812
813
90a545cc 814static void wpa_driver_nl80211_event_newlink(
45e3fc72
RM		 815 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
816 int ifindex, const char *ifname)
3f5285e8
JM		 817{
818 union wpa_event_data event;
819
45e3fc72 820 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 821 if (if_nametoindex(drv->first_bss->ifname) == 0) {
822 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
823 drv->first_bss->ifname);
824 return;
825 }
826 if (!drv->if_removed)
827 return;
828 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
829 drv->first_bss->ifname);
830 drv->if_removed = 0;
831 }
832
3f5285e8 833 os_memset(&event, 0, sizeof(event));
45e3fc72 834 event.interface_status.ifindex = ifindex;
90a545cc
JM		 835 os_strlcpy(event.interface_status.ifname, ifname,
836 sizeof(event.interface_status.ifname));
837 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
45e3fc72
RM		 838 if (drv)
839 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
840 else
841 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
842 &event);
90a545cc
JM		 843}
844
845
846static void wpa_driver_nl80211_event_dellink(
45e3fc72
RM		 847 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
848 int ifindex, const char *ifname)
90a545cc
JM		 849{
850 union wpa_event_data event;
851
45e3fc72 852 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 853 if (drv->if_removed) {
854 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
855 ifname);
856 return;
d1f4942b 857 }
90a545cc
JM		 858 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
859 ifname);
860 drv->if_removed = 1;
861 } else {
862 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
863 ifname);
7524cfb1
JM		 864 }
865
90a545cc 866 os_memset(&event, 0, sizeof(event));
45e3fc72 867 event.interface_status.ifindex = ifindex;
90a545cc
JM		 868 os_strlcpy(event.interface_status.ifname, ifname,
869 sizeof(event.interface_status.ifname));
870 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
45e3fc72
RM		 871 if (drv)
872 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
873 else
874 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
875 &event);
3f5285e8
JM		 876}
877
878
7524cfb1 879static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 880 u8 *buf, size_t len)
7524cfb1 881{
62d680c3 882 int attrlen, rta_len;
7524cfb1
JM		 883 struct rtattr *attr;
884
62d680c3
JM		 885 attrlen = len;
886 attr = (struct rtattr *) buf;
7524cfb1
JM		 887
888 rta_len = RTA_ALIGN(sizeof(struct rtattr));
889 while (RTA_OK(attr, attrlen)) {
890 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 891 if (os_strcmp(((char *) attr) + rta_len,
892 drv->first_bss->ifname) == 0)
7524cfb1
JM		 893 return 1;
894 else
895 break;
896 }
897 attr = RTA_NEXT(attr, attrlen);
898 }
899
900 return 0;
901}
902
903
904static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 905 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 906{
907 if (drv->ifindex == ifindex)
908 return 1;
909
62d680c3 910 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
f51f54a0 911 nl80211_check_global(drv->global);
7524cfb1
JM		 912 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
913 "interface");
5e0c20ff
JM		 914 if (wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL) < 0)
915 return -1;
7524cfb1
JM		 916 return 1;
917 }
918
919 return 0;
920}
921
922
36d84860 923static struct wpa_driver_nl80211_data *
5e0c20ff
JM		 924nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len,
925 int *init_failed)
36d84860
BG		 926{
927 struct wpa_driver_nl80211_data *drv;
5e0c20ff
JM		 928 int res;
929
930 if (init_failed)
931 *init_failed = 0;
36d84860
BG		 932 dl_list_for_each(drv, &global->interfaces,
933 struct wpa_driver_nl80211_data, list) {
5e0c20ff
JM		 934 res = wpa_driver_nl80211_own_ifindex(drv, idx, buf, len);
935 if (res < 0) {
936 wpa_printf(MSG_DEBUG,
937 "nl80211: Found matching own interface, but failed to complete reinitialization");
938 if (init_failed)
939 *init_failed = 1;
940 return drv;
941 }
942 if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY))
36d84860
BG		 943 return drv;
944 }
945 return NULL;
946}
947
948
290834df
BG		 949static void nl80211_refresh_mac(struct wpa_driver_nl80211_data *drv,
950 int ifindex)
951{
952 struct i802_bss *bss;
953 u8 addr[ETH_ALEN];
954
955 bss = get_bss_ifindex(drv, ifindex);
956 if (bss &&
957 linux_get_ifhwaddr(drv->global->ioctl_sock,
958 bss->ifname, addr) < 0) {
959 wpa_printf(MSG_DEBUG,
960 "nl80211: %s: failed to re-read MAC address",
961 bss->ifname);
962 } else if (bss && os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
963 wpa_printf(MSG_DEBUG,
964 "nl80211: Own MAC address on ifindex %d (%s) changed from "
965 MACSTR " to " MACSTR,
966 ifindex, bss->ifname,
967 MAC2STR(bss->addr), MAC2STR(addr));
968 os_memcpy(bss->addr, addr, ETH_ALEN);
969 }
970}
971
972
62d680c3
JM		 973static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
974 struct ifinfomsg *ifi,
975 u8 *buf, size_t len)
3f5285e8 976{
36d84860
BG		 977 struct nl80211_global *global = ctx;
978 struct wpa_driver_nl80211_data *drv;
90a545cc 979 int attrlen;
62d680c3 980 struct rtattr *attr;
97cfcf64 981 u32 brid = 0;
aef85ba2 982 char namebuf[IFNAMSIZ];
90a545cc
JM		 983 char ifname[IFNAMSIZ + 1];
984 char extra[100], *pos, *end;
5e0c20ff 985 int init_failed;
3f5285e8 986
90a545cc
JM		 987 extra[0] = '\0';
988 pos = extra;
989 end = pos + sizeof(extra);
990 ifname[0] = '\0';
991
992 attrlen = len;
993 attr = (struct rtattr *) buf;
994 while (RTA_OK(attr, attrlen)) {
995 switch (attr->rta_type) {
996 case IFLA_IFNAME:
997 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
998 break;
999 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1000 ifname[RTA_PAYLOAD(attr)] = '\0';
1001 break;
1002 case IFLA_MASTER:
1003 brid = nla_get_u32((struct nlattr *) attr);
1004 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1005 break;
1006 case IFLA_WIRELESS:
1007 pos += os_snprintf(pos, end - pos, " wext");
1008 break;
1009 case IFLA_OPERSTATE:
1010 pos += os_snprintf(pos, end - pos, " operstate=%u",
1011 nla_get_u32((struct nlattr *) attr));
1012 break;
1013 case IFLA_LINKMODE:
1014 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1015 nla_get_u32((struct nlattr *) attr));
1016 break;
1017 }
1018 attr = RTA_NEXT(attr, attrlen);
1019 }
1020 extra[sizeof(extra) - 1] = '\0';
1021
f2e90835
JM		 1022 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1023 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1024 ifi->ifi_flags,
3f5285e8
JM		 1025 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1026 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1027 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1028 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4 1029
5e0c20ff 1030 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, &init_failed);
45e3fc72
RM		 1031 if (!drv)
1032 goto event_newlink;
5e0c20ff
JM		 1033 if (init_failed)
1034 return; /* do not update interface state */
45e3fc72 1035
a63063b4 1036 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
106fa1e9 1037 namebuf[0] = '\0';
59d24925 1038 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1039 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
290834df
BG		 1040 /* Re-read MAC address as it may have changed */
1041 nl80211_refresh_mac(drv, ifi->ifi_index);
59d24925
JM		 1042 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1043 "event since interface %s is up", namebuf);
7a94120e 1044 drv->ignore_if_down_event = 0;
59d24925
JM		 1045 return;
1046 }
106fa1e9
JM		 1047 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
1048 namebuf, ifname);
1049 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1050 wpa_printf(MSG_DEBUG,
1051 "nl80211: Not the main interface (%s) - do not indicate interface down",
1052 drv->first_bss->ifname);
1053 } else if (drv->ignore_if_down_event) {
7d9c3698
JM		 1054 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1055 "event generated by mode change");
1056 drv->ignore_if_down_event = 0;
1057 } else {
1058 drv->if_disabled = 1;
1059 wpa_supplicant_event(drv->ctx,
1060 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO		 1061
1062 /*
1063 * Try to get drv again, since it may be removed as
1064 * part of the EVENT_INTERFACE_DISABLED handling for
1065 * dynamic interfaces
1066 */
1067 drv = nl80211_find_drv(global, ifi->ifi_index,
5e0c20ff 1068 buf, len, NULL);
819f096f
AO		 1069 if (!drv)
1070 return;
7d9c3698 1071 }
a63063b4
JM		 1072 }
1073
1074 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2 1075 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1076 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
aef85ba2
JM		 1077 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1078 "event since interface %s is down",
1079 namebuf);
834ee56f 1080 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 1081 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1082 "event since interface %s does not exist",
834ee56f 1083 drv->first_bss->ifname);
d1f4942b
JM		 1084 } else if (drv->if_removed) {
1085 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1086 "event since interface %s is marked "
834ee56f 1087 "removed", drv->first_bss->ifname);
aef85ba2 1088 } else {
3e0272ca 1089 /* Re-read MAC address as it may have changed */
290834df 1090 nl80211_refresh_mac(drv, ifi->ifi_index);
3e0272ca 1091
aef85ba2
JM		 1092 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1093 drv->if_disabled = 0;
1094 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1095 NULL);
1096 }
a63063b4
JM		 1097 }
1098
3f5285e8
JM		 1099 /*
1100 * Some drivers send the association event before the operup event--in
1101 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1102 * fails. This will hit us when wpa_supplicant does not need to do
1103 * IEEE 802.1X authentication
1104 */
1105 if (drv->operstate == 1 &&
1106 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM		 1107 !(ifi->ifi_flags & IFF_RUNNING)) {
1108 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1109 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1110 -1, IF_OPER_UP);
3f5285e8 1111 }
97cfcf64 1112
45e3fc72 1113event_newlink:
90a545cc 1114 if (ifname[0])
45e3fc72
RM		 1115 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1116 ifname);
90a545cc 1117
45e3fc72 1118 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
392dfd37
JM		 1119 struct i802_bss *bss;
1120
97cfcf64 1121 /* device has been added to bridge */
40e76396
JM		 1122 if (!if_indextoname(brid, namebuf)) {
1123 wpa_printf(MSG_DEBUG,
1124 "nl80211: Could not find bridge ifname for ifindex %u",
1125 brid);
1126 return;
1127 }
97cfcf64
B		 1128 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1129 brid, namebuf);
732b1d20 1130 add_ifidx(drv, brid, ifi->ifi_index);
392dfd37
JM		 1131
1132 for (bss = drv->first_bss; bss; bss = bss->next) {
1133 if (os_strcmp(ifname, bss->ifname) == 0) {
1134 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1135 break;
1136 }
1137 }
97cfcf64 1138 }
3f5285e8
JM		 1139}
1140
1141
62d680c3
JM		 1142static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1143 struct ifinfomsg *ifi,
1144 u8 *buf, size_t len)
3f5285e8 1145{
36d84860
BG		 1146 struct nl80211_global *global = ctx;
1147 struct wpa_driver_nl80211_data *drv;
90a545cc 1148 int attrlen;
62d680c3 1149 struct rtattr *attr;
97cfcf64 1150 u32 brid = 0;
90a545cc 1151 char ifname[IFNAMSIZ + 1];
f2e90835 1152 char extra[100], *pos, *end;
3f5285e8 1153
f2e90835
JM		 1154 extra[0] = '\0';
1155 pos = extra;
1156 end = pos + sizeof(extra);
90a545cc
JM		 1157 ifname[0] = '\0';
1158
62d680c3
JM		 1159 attrlen = len;
1160 attr = (struct rtattr *) buf;
3f5285e8 1161 while (RTA_OK(attr, attrlen)) {
90a545cc
JM		 1162 switch (attr->rta_type) {
1163 case IFLA_IFNAME:
1164 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1165 break;
1166 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1167 ifname[RTA_PAYLOAD(attr)] = '\0';
1168 break;
1169 case IFLA_MASTER:
97cfcf64 1170 brid = nla_get_u32((struct nlattr *) attr);
f2e90835
JM		 1171 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1172 break;
1173 case IFLA_OPERSTATE:
1174 pos += os_snprintf(pos, end - pos, " operstate=%u",
1175 nla_get_u32((struct nlattr *) attr));
1176 break;
1177 case IFLA_LINKMODE:
1178 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1179 nla_get_u32((struct nlattr *) attr));
90a545cc
JM		 1180 break;
1181 }
3f5285e8
JM		 1182 attr = RTA_NEXT(attr, attrlen);
1183 }
f2e90835
JM		 1184 extra[sizeof(extra) - 1] = '\0';
1185
1186 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1187 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1188 ifi->ifi_flags,
1189 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1190 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1191 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1192 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
97cfcf64 1193
5e0c20ff 1194 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, NULL);
90a545cc 1195
45e3fc72 1196 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
97cfcf64
B		 1197 /* device has been removed from bridge */
1198 char namebuf[IFNAMSIZ];
40e76396
JM		 1199
1200 if (!if_indextoname(brid, namebuf)) {
1201 wpa_printf(MSG_DEBUG,
1202 "nl80211: Could not find bridge ifname for ifindex %u",
1203 brid);
1204 } else {
1205 wpa_printf(MSG_DEBUG,
1206 "nl80211: Remove ifindex %u for bridge %s",
1207 brid, namebuf);
1208 }
732b1d20 1209 del_ifidx(drv, brid, ifi->ifi_index);
97cfcf64 1210 }
45e3fc72
RM		 1211
1212 if (ifi->ifi_family != AF_BRIDGE || !brid)
1213 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1214 ifname);
3f5285e8
JM		 1215}
1216
1217
a1fce391
JM		 1218struct nl80211_get_assoc_freq_arg {
1219 struct wpa_driver_nl80211_data *drv;
1220 unsigned int assoc_freq;
1221 unsigned int ibss_freq;
1222 u8 assoc_bssid[ETH_ALEN];
ed0a4ddc
NW		 1223 u8 assoc_ssid[SSID_MAX_LEN];
1224 u8 assoc_ssid_len;
a1fce391
JM		 1225};
1226
1227static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg)
1228{
1229 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1230 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1231 struct nlattr *bss[NL80211_BSS_MAX + 1];
1232 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
1233 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
1234 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
ed0a4ddc 1235 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
a1fce391
JM		 1236 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
1237 };
1238 struct nl80211_get_assoc_freq_arg *ctx = arg;
1239 enum nl80211_bss_status status;
1240
1241 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1242 genlmsg_attrlen(gnlh, 0), NULL);
1243 if (!tb[NL80211_ATTR_BSS] ||
1244 nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
1245 bss_policy) ||
1246 !bss[NL80211_BSS_STATUS])
1247 return NL_SKIP;
1248
1249 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
1250 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1251 bss[NL80211_BSS_FREQUENCY]) {
1252 ctx->assoc_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1253 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
1254 ctx->assoc_freq);
1255 }
1256 if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
1257 bss[NL80211_BSS_FREQUENCY]) {
1258 ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1259 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
1260 ctx->ibss_freq);
1261 }
1262 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1263 bss[NL80211_BSS_BSSID]) {
1264 os_memcpy(ctx->assoc_bssid,
1265 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
1266 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
1267 MACSTR, MAC2STR(ctx->assoc_bssid));
1268 }
1269
ed0a4ddc
NW		 1270 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1271 bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
1272 const u8 *ie, *ssid;
1273 size_t ie_len;
1274
1275 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1276 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1277 ssid = get_ie(ie, ie_len, WLAN_EID_SSID);
1278 if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) {
1279 ctx->assoc_ssid_len = ssid[1];
1280 os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]);
1281 }
1282 }
1283
a1fce391
JM		 1284 return NL_SKIP;
1285}
1286
1287
ed0a4ddc
NW		 1288int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid)
1289{
1290 struct nl_msg *msg;
1291 int ret;
1292 struct nl80211_get_assoc_freq_arg arg;
1293
1294 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1295 os_memset(&arg, 0, sizeof(arg));
1296 arg.drv = drv;
1297 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1298 &arg);
1299 if (ret == 0) {
1300 os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len);
1301 return arg.assoc_ssid_len;
1302 }
1303 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)",
1304 ret, strerror(-ret));
1305 return ret;
1306}
1307
1308
f3407c66 1309unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
f5a8d422
JM		 1310{
1311 struct nl_msg *msg;
1312 int ret;
a1fce391 1313 struct nl80211_get_assoc_freq_arg arg;
f5a8d422 1314
9725b784 1315 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422 1316 os_memset(&arg, 0, sizeof(arg));
f5a8d422 1317 arg.drv = drv;
a1fce391
JM		 1318 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1319 &arg);
f5a8d422 1320 if (ret == 0) {
c7caac56
JM		 1321 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1322 arg.ibss_freq : arg.assoc_freq;
f5a8d422 1323 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
c7caac56
JM		 1324 "associated BSS from scan results: %u MHz", freq);
1325 if (freq)
1326 drv->assoc_freq = freq;
30158a0d 1327 return drv->assoc_freq;
f5a8d422
JM		 1328 }
1329 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1330 "(%s)", ret, strerror(-ret));
f5a8d422
JM		 1331 return drv->assoc_freq;
1332}
1333
1334
60a972a6
JM		 1335static int get_link_signal(struct nl_msg *msg, void *arg)
1336{
1337 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1338 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1339 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1340 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1341 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1342 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
74fa78b2 1343 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1344 };
7ee35bf3
PS		 1345 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1346 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1347 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1348 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1349 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1350 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1351 };
1c5c7273 1352 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1353
1354 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1355 genlmsg_attrlen(gnlh, 0), NULL);
1356 if (!tb[NL80211_ATTR_STA_INFO] ||
1357 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1358 tb[NL80211_ATTR_STA_INFO], policy))
1359 return NL_SKIP;
1360 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1361 return NL_SKIP;
1362
7ee35bf3
PS		 1363 sig_change->current_signal =
1364 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1365
95783298
AO		 1366 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1367 sig_change->avg_signal =
1368 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1369 else
1370 sig_change->avg_signal = 0;
1371
74fa78b2
JM		 1372 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1373 sig_change->avg_beacon_signal =
1374 (s8)
1375 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1376 else
1377 sig_change->avg_beacon_signal = 0;
1378
7ee35bf3
PS		 1379 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1380 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1381 sinfo[NL80211_STA_INFO_TX_BITRATE],
1382 rate_policy)) {
1383 sig_change->current_txrate = 0;
1384 } else {
1385 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1386 sig_change->current_txrate =
1387 nla_get_u16(rinfo[
1388 NL80211_RATE_INFO_BITRATE]) * 100;
1389 }
1390 }
1391 }
1392
60a972a6
JM		 1393 return NL_SKIP;
1394}
1395
1396
f3407c66
JM		 1397int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1398 struct wpa_signal_info *sig)
60a972a6
JM		 1399{
1400 struct nl_msg *msg;
1401
7ee35bf3
PS		 1402 sig->current_signal = -9999;
1403 sig->current_txrate = 0;
60a972a6 1404
9725b784 1405 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
a862e4a3
JM		 1406 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1407 nlmsg_free(msg);
1408 return -ENOBUFS;
1409 }
60a972a6
JM		 1410
1411 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
60a972a6
JM		 1412}
1413
1414
7ee35bf3
PS		 1415static int get_link_noise(struct nl_msg *msg, void *arg)
1416{
1417 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1418 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1419 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1420 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1421 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1422 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1423 };
1c5c7273 1424 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 1425
1426 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1427 genlmsg_attrlen(gnlh, 0), NULL);
1428
1429 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1430 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1431 return NL_SKIP;
1432 }
1433
1434 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1435 tb[NL80211_ATTR_SURVEY_INFO],
1436 survey_policy)) {
1437 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1438 "attributes!");
1439 return NL_SKIP;
1440 }
1441
1442 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1443 return NL_SKIP;
1444
1445 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1446 sig_change->frequency)
1447 return NL_SKIP;
1448
1449 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1450 return NL_SKIP;
1451
1452 sig_change->current_noise =
1453 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1454
1455 return NL_SKIP;
1456}
1457
1458
f3407c66
JM		 1459int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1460 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 1461{
1462 struct nl_msg *msg;
1463
1464 sig_change->current_noise = 9999;
1465 sig_change->frequency = drv->assoc_freq;
1466
9725b784 1467 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3 1468 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
7ee35bf3
PS		 1469}
1470
1471
97865538 1472static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 1473 void *handle)
97865538 1474{
a4ae123c 1475 struct nl_cb *cb = eloop_ctx;
34068ac3 1476 int res;
97865538 1477
cc2ada86 1478 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 1479
34068ac3 1480 res = nl_recvmsgs(handle, cb);
d3d04831 1481 if (res < 0) {
34068ac3
JM		 1482 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1483 __func__, res);
1484 }
97865538
JM		 1485}
1486
1487
6d158490
LR		 1488/**
1489 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1490 * @priv: driver_nl80211 private data
1491 * @alpha2_arg: country to which to switch to
1492 * Returns: 0 on success, -1 on failure
1493 *
1494 * This asks nl80211 to set the regulatory domain for given
1495 * country ISO / IEC alpha2.
1496 */
1497static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1498{
a2e40bb6
FF		 1499 struct i802_bss *bss = priv;
1500 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 1501 char alpha2[3];
1502 struct nl_msg *msg;
1503
1504 msg = nlmsg_alloc();
1505 if (!msg)
e785c2ba 1506 return -ENOMEM;
6d158490
LR		 1507
1508 alpha2[0] = alpha2_arg[0];
1509 alpha2[1] = alpha2_arg[1];
1510 alpha2[2] = '\0';
1511
a862e4a3
JM		 1512 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1513 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1514 nlmsg_free(msg);
1515 return -EINVAL;
1516 }
6d158490
LR		 1517 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1518 return -EINVAL;
1519 return 0;
6d158490
LR		 1520}
1521
1522
f0793bf1
JM		 1523static int nl80211_get_country(struct nl_msg *msg, void *arg)
1524{
1525 char *alpha2 = arg;
1526 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1527 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1528
1529 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1530 genlmsg_attrlen(gnlh, 0), NULL);
1531 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1532 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1533 return NL_SKIP;
1534 }
1535 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1536 return NL_SKIP;
1537}
1538
1539
1540static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1541{
1542 struct i802_bss *bss = priv;
1543 struct wpa_driver_nl80211_data *drv = bss->drv;
1544 struct nl_msg *msg;
1545 int ret;
1546
1547 msg = nlmsg_alloc();
1548 if (!msg)
1549 return -ENOMEM;
1550
1551 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1552 alpha2[0] = '\0';
1553 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1554 if (!alpha2[0])
1555 ret = -1;
1556
1557 return ret;
1558}
1559
1560
2a7b66f5
BG		 1561static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1562{
d6c9aab8
JB		 1563 int ret;
1564
2a7b66f5
BG		 1565 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1566 if (global->nl_cb == NULL) {
1567 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1568 "callbacks");
1569 return -1;
1570 }
1571
481234cf
JM		 1572 global->nl = nl_create_handle(global->nl_cb, "nl");
1573 if (global->nl == NULL)
d6c9aab8 1574 goto err;
276e2d67 1575
481234cf 1576 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 1577 if (global->nl80211_id < 0) {
276e2d67
BG		 1578 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1579 "found");
d6c9aab8 1580 goto err;
276e2d67
BG		 1581 }
1582
481234cf
JM		 1583 global->nl_event = nl_create_handle(global->nl_cb, "event");
1584 if (global->nl_event == NULL)
d6c9aab8 1585 goto err;
9fff9fdc 1586
d6c9aab8 1587 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 1588 if (ret >= 0)
481234cf 1589 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 1590 if (ret < 0) {
1591 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1592 "membership for scan events: %d (%s)",
1593 ret, strerror(-ret));
d6c9aab8 1594 goto err;
97865538 1595 }
c2a04078 1596
d6c9aab8 1597 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 1598 if (ret >= 0)
481234cf 1599 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 1600 if (ret < 0) {
1601 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1602 "membership for mlme events: %d (%s)",
1603 ret, strerror(-ret));
d6c9aab8 1604 goto err;
c2a04078 1605 }
c2a04078 1606
d6c9aab8 1607 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 1608 if (ret >= 0)
481234cf 1609 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 1610 if (ret < 0) {
1611 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1612 "membership for regulatory events: %d (%s)",
1613 ret, strerror(-ret));
1614 /* Continue without regulatory events */
1615 }
1616
17b79e65
JM		 1617 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1618 if (ret >= 0)
1619 ret = nl_socket_add_membership(global->nl_event, ret);
1620 if (ret < 0) {
1621 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1622 "membership for vendor events: %d (%s)",
1623 ret, strerror(-ret));
1624 /* Continue without vendor events */
1625 }
1626
d6c9aab8
JB		 1627 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1628 no_seq_check, NULL);
1629 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1630 process_global_event, global);
1631
5f65e9f7
JB		 1632 nl80211_register_eloop_read(&global->nl_event,
1633 wpa_driver_nl80211_event_receive,
1634 global->nl_cb);
d6c9aab8
JB		 1635
1636 return 0;
1637
1638err:
1639 nl_destroy_handles(&global->nl_event);
1640 nl_destroy_handles(&global->nl);
1641 nl_cb_put(global->nl_cb);
671a5039 1642 global->nl_cb = NULL;
d6c9aab8
JB		 1643 return -1;
1644}
1645
1646
f51f54a0
JM		 1647static void nl80211_check_global(struct nl80211_global *global)
1648{
1649 struct nl_handle *handle;
1650 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1651 int ret;
1652 unsigned int i;
1653
1654 /*
1655 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1656 * and all registration having been cleared.
1657 */
1658 handle = (void *) (((intptr_t) global->nl_event) ^
1659 ELOOP_SOCKET_INVALID);
1660
1661 for (i = 0; groups[i]; i++) {
1662 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1663 if (ret >= 0)
1664 ret = nl_socket_add_membership(handle, ret);
1665 if (ret < 0) {
1666 wpa_printf(MSG_INFO,
1667 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1668 groups[i], ret, strerror(-ret));
1669 }
1670 }
1671}
1672
1673
8401a6b0
JM		 1674static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1675{
6da504a1
IP		 1676 struct wpa_driver_nl80211_data *drv = ctx;
1677
8401a6b0 1678 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
6da504a1 1679
a63063b4 1680 /*
6da504a1
IP		 1681 * rtnetlink ifdown handler will report interfaces other than the P2P
1682 * Device interface as disabled.
a63063b4 1683 */
6da504a1
IP		 1684 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1685 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
8401a6b0
JM		 1686}
1687
1688
1689static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1690{
1691 struct wpa_driver_nl80211_data *drv = ctx;
1692 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 1693 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 1694 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1695 "after rfkill unblock");
1696 return;
1697 }
e8dc205f
AO		 1698
1699 if (is_p2p_net_interface(drv->nlmode))
1700 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1701
6da504a1
IP		 1702 /*
1703 * rtnetlink ifup handler will report interfaces other than the P2P
1704 * Device interface as enabled.
1705 */
1706 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1707 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
8401a6b0
JM		 1708}
1709
1710
32ab4855
JB		 1711static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1712 void *eloop_ctx,
1713 void *handle)
1714{
1715 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1716 u8 data[2048];
1717 struct msghdr msg;
1718 struct iovec entry;
cad0f50e 1719 u8 control[512];
32ab4855
JB		 1720 struct cmsghdr *cmsg;
1721 int res, found_ee = 0, found_wifi = 0, acked = 0;
1722 union wpa_event_data event;
1723
1724 memset(&msg, 0, sizeof(msg));
1725 msg.msg_iov = &entry;
1726 msg.msg_iovlen = 1;
1727 entry.iov_base = data;
1728 entry.iov_len = sizeof(data);
1729 msg.msg_control = &control;
1730 msg.msg_controllen = sizeof(control);
1731
1732 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1733 /* if error or not fitting 802.3 header, return */
1734 if (res < 14)
1735 return;
1736
1737 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1738 {
1739 if (cmsg->cmsg_level == SOL_SOCKET &&
1740 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1741 int *ack;
1742
1743 found_wifi = 1;
1744 ack = (void *)CMSG_DATA(cmsg);
1745 acked = *ack;
1746 }
1747
1748 if (cmsg->cmsg_level == SOL_PACKET &&
1749 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1750 struct sock_extended_err *err =
1751 (struct sock_extended_err *)CMSG_DATA(cmsg);
1752
1753 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1754 found_ee = 1;
1755 }
1756 }
1757
1758 if (!found_ee || !found_wifi)
1759 return;
1760
1761 memset(&event, 0, sizeof(event));
1762 event.eapol_tx_status.dst = data;
1763 event.eapol_tx_status.data = data + 14;
1764 event.eapol_tx_status.data_len = res - 14;
1765 event.eapol_tx_status.ack = acked;
1766 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1767}
1768
1769
cc7a48d1
JB		 1770static int nl80211_init_bss(struct i802_bss *bss)
1771{
1772 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1773 if (!bss->nl_cb)
1774 return -1;
1775
1776 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1777 no_seq_check, NULL);
1778 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1779 process_bss_event, bss);
1780
1781 return 0;
1782}
1783
1784
1785static void nl80211_destroy_bss(struct i802_bss *bss)
1786{
1787 nl_cb_put(bss->nl_cb);
1788 bss->nl_cb = NULL;
1789}
1790
1791
0e92fb8f
JB		 1792static void
1793wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1794{
1795 struct rfkill_config *rcfg;
1796
1797 if (drv->rfkill)
1798 return;
1799
1800 rcfg = os_zalloc(sizeof(*rcfg));
1801 if (!rcfg)
1802 return;
1803
1804 rcfg->ctx = drv;
1805
1806 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1807 * not associated with a netdev, so use the name of some other interface
1808 * sharing the same wiphy as the P2P Device interface.
1809 *
1810 * Note: This is valid, as a P2P Device interface is always dynamically
1811 * created and is created only once another wpa_s interface was added.
1812 */
1813 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1814 struct nl80211_global *global = drv->global;
1815 struct wpa_driver_nl80211_data *tmp1;
1816
1817 dl_list_for_each(tmp1, &global->interfaces,
1818 struct wpa_driver_nl80211_data, list) {
1819 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1820 !tmp1->rfkill)
1821 continue;
1822
1823 wpa_printf(MSG_DEBUG,
1824 "nl80211: Use (%s) to initialize P2P Device rfkill",
1825 tmp1->first_bss->ifname);
1826 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1827 sizeof(rcfg->ifname));
1828 break;
1829 }
1830 } else {
1831 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1832 sizeof(rcfg->ifname));
1833 }
1834
1835 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1836 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1837 drv->rfkill = rfkill_init(rcfg);
1838 if (!drv->rfkill) {
1839 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1840 os_free(rcfg);
1841 }
1842}
1843
1844
0d547d5f
JM		 1845static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1846 void *global_priv, int hostapd,
0ecff8d7
JM		 1847 const u8 *set_addr,
1848 const char *driver_params)
9fff9fdc 1849{
9fff9fdc 1850 struct wpa_driver_nl80211_data *drv;
a2e40bb6 1851 struct i802_bss *bss;
9fff9fdc 1852
a5c696ad
JM		 1853 if (global_priv == NULL)
1854 return NULL;
9fff9fdc
JM		 1855 drv = os_zalloc(sizeof(*drv));
1856 if (drv == NULL)
1857 return NULL;
f2ed8023 1858 drv->global = global_priv;
9fff9fdc 1859 drv->ctx = ctx;
0d547d5f
JM		 1860 drv->hostapd = !!hostapd;
1861 drv->eapol_sock = -1;
64ae2447
JM		 1862
1863 /*
1864 * There is no driver capability flag for this, so assume it is
1865 * supported and disable this on first attempt to use if the driver
1866 * rejects the command due to missing support.
1867 */
1868 drv->set_rekey_offload = 1;
1869
0d547d5f
JM		 1870 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1871 drv->if_indices = drv->default_if_indices;
732b1d20 1872 drv->if_indices_reason = drv->default_if_indices_reason;
834ee56f
KP		 1873
1874 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1875 if (!drv->first_bss) {
1876 os_free(drv);
1877 return NULL;
1878 }
1879 bss = drv->first_bss;
a2e40bb6 1880 bss->drv = drv;
a5e1eb20
SE		 1881 bss->ctx = ctx;
1882
a2e40bb6 1883 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 1884 drv->monitor_ifidx = -1;
1885 drv->monitor_sock = -1;
d12dab4c 1886 drv->eapol_tx_sock = -1;
b1f625e0 1887 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 1888
cc7a48d1
JB		 1889 if (nl80211_init_bss(bss))
1890 goto failed;
1891
0ecff8d7 1892 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
bbaf0837 1893 goto failed;
7524cfb1 1894
d12dab4c 1895 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 1896 if (drv->eapol_tx_sock < 0)
1897 goto failed;
1898
1899 if (drv->data_tx_status) {
1900 int enabled = 1;
1901
1902 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1903 &enabled, sizeof(enabled)) < 0) {
1904 wpa_printf(MSG_DEBUG,
1905 "nl80211: wifi status sockopt failed\n");
1906 drv->data_tx_status = 0;
a11241fa
JB		 1907 if (!drv->use_monitor)
1908 drv->capa.flags &=
1909 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 1910 } else {
1911 eloop_register_read_sock(drv->eapol_tx_sock,
1912 wpa_driver_nl80211_handle_eapol_tx_status,
1913 drv, NULL);
1914 }
1915 }
f10bfc9a 1916
dac12351 1917 if (drv->global) {
f51f54a0 1918 nl80211_check_global(drv->global);
c4bb8817 1919 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 1920 drv->in_interface_list = 1;
1921 }
c4bb8817 1922
a2e40bb6 1923 return bss;
7524cfb1 1924
bbaf0837 1925failed:
dac12351 1926 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 1927 return NULL;
1928}
1929
1930
0d547d5f
JM		 1931/**
1932 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1933 * @ctx: context to be used when calling wpa_supplicant functions,
1934 * e.g., wpa_supplicant_event()
1935 * @ifname: interface name, e.g., wlan0
1936 * @global_priv: private driver global data from global_init()
1937 * Returns: Pointer to private data, %NULL on failure
1938 */
1939static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1940 void *global_priv)
1941{
0ecff8d7
JM		 1942 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1943 NULL);
0d547d5f
JM		 1944}
1945
1946
a11241fa 1947static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 1948 struct nl_handle *nl_handle,
bd94971e 1949 u16 type, const u8 *match, size_t match_len)
58f6fbe0 1950{
a11241fa 1951 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 1952 struct nl_msg *msg;
a862e4a3 1953 int ret;
880de885 1954 char buf[30];
58f6fbe0 1955
880de885
JM		 1956 buf[0] = '\0';
1957 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
dedfa440
PF		 1958 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1959 type, fc2str(type), nl_handle, buf);
36488c05 1960
56f77852 1961 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
a862e4a3
JM		 1962 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1963 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1964 nlmsg_free(msg);
1965 return -1;
1966 }
58f6fbe0 1967
d6c9aab8 1968 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0 1969 if (ret) {
5582a5d1
JB		 1970 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1971 "failed (type=%u): ret=%d (%s)",
1972 type, ret, strerror(-ret));
1973 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0 1974 match, match_len);
58f6fbe0 1975 }
58f6fbe0
JM		 1976 return ret;
1977}
1978
1979
a11241fa
JB		 1980static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1981{
481234cf 1982 if (bss->nl_mgmt) {
a11241fa 1983 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 1984 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 1985 return -1;
1986 }
1987
ce20a370 1988 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
481234cf 1989 if (bss->nl_mgmt == NULL)
a11241fa
JB		 1990 return -1;
1991
a11241fa
JB		 1992 return 0;
1993}
1994
1995
5f65e9f7
JB		 1996static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1997{
1998 nl80211_register_eloop_read(&bss->nl_mgmt,
1999 wpa_driver_nl80211_event_receive,
2000 bss->nl_cb);
2001}
2002
2003
a11241fa 2004static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 2005 const u8 *match, size_t match_len)
2006{
2007 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 2008 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 2009 type, match, match_len);
bd94971e
JB		 2010}
2011
2012
a11241fa 2013static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 2014{
a11241fa 2015 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 2016 int ret = 0;
a11241fa
JB		 2017
2018 if (nl80211_alloc_mgmt_handle(bss))
2019 return -1;
36488c05
JM		 2020 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
2021 "handle %p", bss->nl_mgmt);
a11241fa 2022
e8d1168b
JB		 2023 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2024 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2025
2026 /* register for any AUTH message */
2027 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
2028 }
2029
56f5af48
JM		 2030#ifdef CONFIG_INTERWORKING
2031 /* QoS Map Configure */
2032 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 2033 ret = -1;
56f5af48 2034#endif /* CONFIG_INTERWORKING */
00b02149 2035#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP)
046b26a2 2036 /* GAS Initial Request */
a11241fa 2037 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 2038 ret = -1;
046b26a2 2039 /* GAS Initial Response */
a11241fa 2040 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 2041 ret = -1;
18708aad 2042 /* GAS Comeback Request */
a11241fa 2043 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 2044 ret = -1;
18708aad 2045 /* GAS Comeback Response */
a11241fa 2046 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 2047 ret = -1;
c5a64e2d
JM		 2048 /* Protected GAS Initial Request */
2049 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
2050 ret = -1;
2051 /* Protected GAS Initial Response */
2052 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
2053 ret = -1;
2054 /* Protected GAS Comeback Request */
2055 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
2056 ret = -1;
2057 /* Protected GAS Comeback Response */
2058 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
2059 ret = -1;
00b02149 2060#endif /* CONFIG_P2P || CONFIG_INTERWORKING || CONFIG_DPP */
4fe9fa0d 2061#ifdef CONFIG_P2P
046b26a2 2062 /* P2P Public Action */
a11241fa 2063 if (nl80211_register_action_frame(bss,
046b26a2
JM		 2064 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
2065 6) < 0)
6f06766e 2066 ret = -1;
046b26a2 2067 /* P2P Action */
a11241fa 2068 if (nl80211_register_action_frame(bss,
046b26a2
JM		 2069 (u8 *) "\x7f\x50\x6f\x9a\x09",
2070 5) < 0)
6f06766e 2071 ret = -1;
046b26a2 2072#endif /* CONFIG_P2P */
00b02149
JM		 2073#ifdef CONFIG_DPP
2074 /* DPP Public Action */
2075 if (nl80211_register_action_frame(bss,
2076 (u8 *) "\x04\x09\x50\x6f\x9a\x1a",
2077 6) < 0)
2078 ret = -1;
2079#endif /* CONFIG_DPP */
7d878ca7
JM		 2080#ifdef CONFIG_IEEE80211W
2081 /* SA Query Response */
a11241fa 2082 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 2083 ret = -1;
7d878ca7 2084#endif /* CONFIG_IEEE80211W */
35287637
AN		 2085#ifdef CONFIG_TDLS
2086 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
2087 /* TDLS Discovery Response */
aa543c0c 2088 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 2089 0)
6f06766e 2090 ret = -1;
35287637
AN		 2091 }
2092#endif /* CONFIG_TDLS */
46ab9b8c
AN		 2093#ifdef CONFIG_FST
2094 /* FST Action frames */
2095 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2096 ret = -1;
2097#endif /* CONFIG_FST */
046b26a2 2098
7b90c16a 2099 /* FT Action frames */
a11241fa 2100 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 2101 ret = -1;
7b90c16a
JM		 2102 else
2103 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
2104 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2105
71269b37 2106 /* WNM - BSS Transition Management Request */
a11241fa 2107 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 2108 ret = -1;
bd896433
JM		 2109 /* WNM-Sleep Mode Response */
2110 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 2111 ret = -1;
a11241fa 2112
95a3ea94
JM		 2113#ifdef CONFIG_HS20
2114 /* WNM-Notification */
2115 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
3ee18569 2116 ret = -1;
95a3ea94
JM		 2117#endif /* CONFIG_HS20 */
2118
dfa87878
MB		 2119 /* WMM-AC ADDTS Response */
2120 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
730a0d16 2121 ret = -1;
dfa87878
MB		 2122
2123 /* WMM-AC DELTS */
2124 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
730a0d16 2125 ret = -1;
dfa87878 2126
2526ccd9
AK		 2127 /* Radio Measurement - Neighbor Report Response */
2128 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
2129 ret = -1;
2130
864b9522
DS		 2131 /* Radio Measurement - Radio Measurement Request */
2132 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2133 ret = -1;
2134
7dc03388
AO		 2135 /* Radio Measurement - Link Measurement Request */
2136 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2137 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2138 ret = -1;
2139
5f65e9f7
JB		 2140 nl80211_mgmt_handle_register_eloop(bss);
2141
6f06766e 2142 return ret;
a11241fa
JB		 2143}
2144
2145
afb0550a
BC		 2146static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2147{
2148 int ret = 0;
2149
2150 if (nl80211_alloc_mgmt_handle(bss))
2151 return -1;
2152
2153 wpa_printf(MSG_DEBUG,
2154 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2155 bss->nl_mgmt);
2156
2157 /* Auth frames for mesh SAE */
2158 if (nl80211_register_frame(bss, bss->nl_mgmt,
2159 (WLAN_FC_TYPE_MGMT << 2) |
2160 (WLAN_FC_STYPE_AUTH << 4),
2161 NULL, 0) < 0)
2162 ret = -1;
2163
2164 /* Mesh peering open */
2165 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2166 ret = -1;
2167 /* Mesh peering confirm */
2168 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2169 ret = -1;
2170 /* Mesh peering close */
2171 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2172 ret = -1;
2173
2174 nl80211_mgmt_handle_register_eloop(bss);
2175
2176 return ret;
2177}
2178
2179
02bb32c3
JB		 2180static int nl80211_register_spurious_class3(struct i802_bss *bss)
2181{
02bb32c3 2182 struct nl_msg *msg;
a862e4a3 2183 int ret;
02bb32c3 2184
13f83980
JM		 2185 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2186 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 2187 if (ret) {
2188 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2189 "failed: ret=%d (%s)",
2190 ret, strerror(-ret));
02bb32c3 2191 }
02bb32c3
JB		 2192 return ret;
2193}
2194
2195
4d916ed6
KV		 2196static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2197{
2198 int ret = 0;
2199
2200 /* Public Action frames */
2201 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2202 ret = -1;
2203 /* RRM Measurement Report */
2204 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2205 ret = -1;
e4ec6bbf
JM		 2206 /* RRM Link Measurement Report */
2207 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0)
2208 ret = -1;
4d916ed6
KV		 2209 /* RRM Neighbor Report Request */
2210 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2211 ret = -1;
2212 /* FT Action frames */
2213 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2214 ret = -1;
2215#ifdef CONFIG_IEEE80211W
2216 /* SA Query */
2217 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2218 ret = -1;
2219#endif /* CONFIG_IEEE80211W */
2220 /* Protected Dual of Public Action */
2221 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2222 ret = -1;
2223 /* WNM */
2224 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2225 ret = -1;
2226 /* WMM */
2227 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2228 ret = -1;
2229#ifdef CONFIG_FST
2230 /* FST Action frames */
2231 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2232 ret = -1;
2233#endif /* CONFIG_FST */
2234 /* Vendor-specific */
2235 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2236 ret = -1;
2237
2238 return ret;
2239}
2240
2241
a11241fa
JB		 2242static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2243{
2244 static const int stypes[] = {
2245 WLAN_FC_STYPE_AUTH,
2246 WLAN_FC_STYPE_ASSOC_REQ,
2247 WLAN_FC_STYPE_REASSOC_REQ,
2248 WLAN_FC_STYPE_DISASSOC,
2249 WLAN_FC_STYPE_DEAUTH,
a11241fa
JB		 2250 WLAN_FC_STYPE_PROBE_REQ,
2251/* Beacon doesn't work as mac80211 doesn't currently allow
2252 * it, but it wouldn't really be the right thing anyway as
2253 * it isn't per interface ... maybe just dump the scan
2254 * results periodically for OLBC?
2255 */
0e80ea2c 2256 /* WLAN_FC_STYPE_BEACON, */
a11241fa
JB		 2257 };
2258 unsigned int i;
2259
2260 if (nl80211_alloc_mgmt_handle(bss))
71269b37 2261 return -1;
36488c05
JM		 2262 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2263 "handle %p", bss->nl_mgmt);
71269b37 2264
e7ecab4a 2265 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 2266 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 2267 (WLAN_FC_TYPE_MGMT << 2) |
2268 (stypes[i] << 4),
2269 NULL, 0) < 0) {
2270 goto out_err;
2271 }
2272 }
2273
4d916ed6
KV		 2274 if (nl80211_action_subscribe_ap(bss))
2275 goto out_err;
2276
02bb32c3
JB		 2277 if (nl80211_register_spurious_class3(bss))
2278 goto out_err;
2279
5f65e9f7 2280 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 2281 return 0;
a11241fa
JB		 2282
2283out_err:
a11241fa
JB		 2284 nl_destroy_handles(&bss->nl_mgmt);
2285 return -1;
2286}
2287
2288
a6cc0602
JM		 2289static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2290{
2291 if (nl80211_alloc_mgmt_handle(bss))
2292 return -1;
2293 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2294 "handle %p (device SME)", bss->nl_mgmt);
2295
4d916ed6 2296 if (nl80211_action_subscribe_ap(bss))
a6cc0602
JM		 2297 goto out_err;
2298
5f65e9f7 2299 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 2300 return 0;
2301
2302out_err:
a6cc0602
JM		 2303 nl_destroy_handles(&bss->nl_mgmt);
2304 return -1;
2305}
2306
2307
36488c05 2308static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 2309{
481234cf 2310 if (bss->nl_mgmt == NULL)
a11241fa 2311 return;
36488c05
JM		 2312 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2313 "(%s)", bss->nl_mgmt, reason);
5f65e9f7 2314 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
7813b7c3
MH		 2315
2316 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 2317}
2318
2319
8401a6b0
JM		 2320static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2321{
2322 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2323}
2324
2325
eb4582f2
AS		 2326static void nl80211_del_p2pdev(struct i802_bss *bss)
2327{
eb4582f2
AS		 2328 struct nl_msg *msg;
2329 int ret;
2330
a3249fdf
JM		 2331 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2332 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
eb4582f2
AS		 2333
2334 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2335 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2336 strerror(-ret));
eb4582f2
AS		 2337}
2338
2339
eb4582f2 2340static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483 2341{
f632e483 2342 struct nl_msg *msg;
a862e4a3 2343 int ret;
f632e483 2344
a3249fdf
JM		 2345 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2346 NL80211_CMD_STOP_P2P_DEVICE);
2347 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
f632e483 2348
eb4582f2
AS		 2349 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2350 start ? "Start" : "Stop",
2351 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2352 strerror(-ret));
f632e483
AS		 2353 return ret;
2354}
f632e483
AS		 2355
2356
91724d6f
AS		 2357static int i802_set_iface_flags(struct i802_bss *bss, int up)
2358{
2359 enum nl80211_iftype nlmode;
2360
2361 nlmode = nl80211_get_ifmode(bss);
2362 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2363 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2364 bss->ifname, up);
2365 }
2366
2367 /* P2P Device has start/stop which is equivalent */
2368 return nl80211_set_p2pdev(bss, up);
2369}
2370
2371
1db718b3
JM		 2372#ifdef CONFIG_TESTING_OPTIONS
2373static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2374{
2375 /* struct wpa_driver_nl80211_data *drv = arg; */
2376 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2377 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2378
2379
2380 wpa_printf(MSG_DEBUG,
2381 "nl80211: QCA vendor test command response received");
2382
2383 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2384 genlmsg_attrlen(gnlh, 0), NULL);
2385 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2386 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2387 return NL_SKIP;
2388 }
2389
2390 wpa_hexdump(MSG_DEBUG,
2391 "nl80211: Received QCA vendor test command response",
2392 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2393 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2394
2395 return NL_SKIP;
2396}
2397#endif /* CONFIG_TESTING_OPTIONS */
2398
2399
2400static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2401{
2402#ifdef CONFIG_TESTING_OPTIONS
2403 struct nl_msg *msg;
2404 struct nlattr *params;
2405 int ret;
2406
2407 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2408 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2409 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2410 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2411 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2412 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2413 nlmsg_free(msg);
2414 return;
2415 }
2416 nla_nest_end(msg, params);
2417
2418 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2419 wpa_printf(MSG_DEBUG,
2420 "nl80211: QCA vendor test command returned %d (%s)",
2421 ret, strerror(-ret));
2422#endif /* CONFIG_TESTING_OPTIONS */
2423}
2424
2425
362f781e 2426static int
0d547d5f 2427wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 2428 const u8 *set_addr, int first,
2429 const char *driver_params)
7524cfb1 2430{
834ee56f 2431 struct i802_bss *bss = drv->first_bss;
8401a6b0 2432 int send_rfkill_event = 0;
0d547d5f 2433 enum nl80211_iftype nlmode;
a2e40bb6
FF		 2434
2435 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 2436 bss->ifindex = drv->ifindex;
2437 bss->wdev_id = drv->global->if_add_wdevid;
2438 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2439
60b13c20
IP		 2440 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2441 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 2442 drv->global->if_add_wdevid_set = 0;
2443
bf144cf6
AP		 2444 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2445 bss->static_ap = 1;
2446
ef3866ab
IP		 2447 if (first &&
2448 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2449 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2450 drv->start_iface_up = 1;
2451
f632e483
AS		 2452 if (wpa_driver_nl80211_capa(drv))
2453 return -1;
a87c9d96 2454
0ecff8d7
JM		 2455 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2456 return -1;
2457
5fbcb45d
AS		 2458 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2459 bss->ifname, drv->phyname);
2460
0d547d5f
JM		 2461 if (set_addr &&
2462 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2463 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2464 set_addr)))
2465 return -1;
2466
49b4b205
JM		 2467 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2468 drv->start_mode_ap = 1;
2469
bf144cf6 2470 if (drv->hostapd || bss->static_ap)
0d547d5f 2471 nlmode = NL80211_IFTYPE_AP;
4fe726e2
FF		 2472 else if (bss->if_dynamic ||
2473 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
8e12685c 2474 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 2475 else
2476 nlmode = NL80211_IFTYPE_STATION;
f632e483 2477
8e12685c 2478 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 2479 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 2480 return -1;
a87c9d96
JM		 2481 }
2482
8c06db70 2483 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 2484 nl80211_get_macaddr(bss);
f632e483 2485
0e92fb8f
JB		 2486 wpa_driver_nl80211_drv_init_rfkill(drv);
2487
8c06db70
MB		 2488 if (!rfkill_is_blocked(drv->rfkill)) {
2489 int ret = i802_set_iface_flags(bss, 1);
2490 if (ret) {
8401a6b0
JM		 2491 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2492 "interface '%s' UP", bss->ifname);
8c06db70 2493 return ret;
8401a6b0 2494 }
e8dc205f
AO		 2495
2496 if (is_p2p_net_interface(nlmode))
2497 nl80211_disable_11b_rates(bss->drv,
2498 bss->drv->ifindex, 1);
2499
8c06db70
MB		 2500 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2501 return ret;
2502 } else {
2503 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2504 "interface '%s' due to rfkill", bss->ifname);
6da504a1
IP		 2505 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2506 drv->if_disabled = 1;
2507
8c06db70 2508 send_rfkill_event = 1;
362f781e 2509 }
3f5285e8 2510
6da504a1 2511 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
0d547d5f
JM		 2512 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2513 1, IF_OPER_DORMANT);
362f781e 2514
6da504a1
IP		 2515 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2516 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2517 bss->addr))
2518 return -1;
2519 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2520 }
f2ed8023 2521
8401a6b0
JM		 2522 if (send_rfkill_event) {
2523 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2524 drv, drv->ctx);
2525 }
2526
1db718b3
JM		 2527 if (drv->vendor_cmd_test_avail)
2528 qca_vendor_test(drv);
2529
362f781e 2530 return 0;
3f5285e8
JM		 2531}
2532
2533
a70cd0db 2534static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss)
8a27af5c
JM		 2535{
2536 struct nl_msg *msg;
a70cd0db 2537 struct wpa_driver_nl80211_data *drv = bss->drv;
8a27af5c 2538
08e55ebb
JM		 2539 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2540 drv->ifindex);
a70cd0db 2541 nl80211_put_wiphy_data_ap(bss);
9725b784 2542 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
8a27af5c 2543 return send_and_recv_msgs(drv, msg, NULL, NULL);
8a27af5c 2544}
8a27af5c
JM		 2545
2546
3f5285e8 2547/**
7e5ba1b9 2548 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 2549 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 2550 *
2551 * Shut down driver interface and processing of driver events. Free
2552 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2553 */
9ebce9c5 2554static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 2555{
a2e40bb6 2556 struct wpa_driver_nl80211_data *drv = bss->drv;
cc9a2575 2557 unsigned int i;
3f5285e8 2558
3e208481
JM		 2559 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2560 bss->ifname, drv->disabled_11b_rates);
2561
873d0fcf 2562 bss->in_deinit = 1;
32ab4855
JB		 2563 if (drv->data_tx_status)
2564 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 2565 if (drv->eapol_tx_sock >= 0)
2566 close(drv->eapol_tx_sock);
f10bfc9a 2567
481234cf 2568 if (bss->nl_preq)
5582a5d1 2569 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 2570 if (bss->added_if_into_bridge) {
c81eff1a
BG		 2571 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2572 bss->ifname) < 0)
94627f6c
JM		 2573 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2574 "interface %s from bridge %s: %s",
e17a2477 2575 bss->ifname, bss->brname, strerror(errno));
97ed9a06 2576 if (drv->rtnl_sk)
ca3c6b4d 2577 nl80211_handle_destroy(drv->rtnl_sk);
94627f6c 2578 }
e17a2477 2579 if (bss->added_bridge) {
f2535da8
JM		 2580 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2581 0) < 0)
2582 wpa_printf(MSG_INFO,
2583 "nl80211: Could not set bridge %s down",
2584 bss->brname);
c81eff1a 2585 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 2586 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2587 "bridge %s: %s",
e17a2477 2588 bss->brname, strerror(errno));
94627f6c
JM		 2589 }
2590
460456f8 2591 nl80211_remove_monitor_interface(drv);
8a27af5c 2592
b1f625e0 2593 if (is_ap_interface(drv->nlmode))
a70cd0db 2594 wpa_driver_nl80211_del_beacon(bss);
0915d02c 2595
bbaf0837
JM		 2596 if (drv->eapol_sock >= 0) {
2597 eloop_unregister_read_sock(drv->eapol_sock);
2598 close(drv->eapol_sock);
2599 }
2600
2601 if (drv->if_indices != drv->default_if_indices)
2602 os_free(drv->if_indices);
3f5285e8 2603
732b1d20
MB		 2604 if (drv->if_indices_reason != drv->default_if_indices_reason)
2605 os_free(drv->if_indices_reason);
2606
b3af99d2 2607 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 2608 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2609
36d84860
BG		 2610 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2611 IF_OPER_UP);
e390df05 2612 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
8401a6b0 2613 rfkill_deinit(drv->rfkill);
3f5285e8 2614
bbaf0837
JM		 2615 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2616
146fa9b3
JM		 2617 if (!drv->start_iface_up)
2618 (void) i802_set_iface_flags(bss, 0);
fee354c7
JM		 2619
2620 if (drv->addr_changed) {
93da0498
JM		 2621 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2622 0) < 0) {
2623 wpa_printf(MSG_DEBUG,
2624 "nl80211: Could not set interface down to restore permanent MAC address");
2625 }
fee354c7
JM		 2626 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2627 drv->perm_addr) < 0) {
2628 wpa_printf(MSG_DEBUG,
2629 "nl80211: Could not restore permanent MAC address");
2630 }
2631 }
2632
8e12685c 2633 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 2634 if (!drv->hostapd || !drv->start_mode_ap)
2635 wpa_driver_nl80211_set_mode(bss,
2636 NL80211_IFTYPE_STATION);
b378c41f 2637 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 2638 } else {
2639 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 2640 nl80211_del_p2pdev(bss);
8e12685c 2641 }
3f5285e8 2642
834ee56f 2643 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 2644
3812464c
JM		 2645 os_free(drv->filter_ssids);
2646
536fd62d
JM		 2647 os_free(drv->auth_ie);
2648
dac12351 2649 if (drv->in_interface_list)
f2ed8023
JM		 2650 dl_list_del(&drv->list);
2651
8cd6b7bc
JB		 2652 os_free(drv->extended_capa);
2653 os_free(drv->extended_capa_mask);
cc9a2575
KV		 2654 for (i = 0; i < drv->num_iface_ext_capa; i++) {
2655 os_free(drv->iface_ext_capa[i].ext_capa);
2656 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2657 }
834ee56f 2658 os_free(drv->first_bss);
3f5285e8
JM		 2659 os_free(drv);
2660}
2661
2662
de4ed4a8
JM		 2663static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2664{
2665 switch (alg) {
2666 case WPA_ALG_WEP:
2667 if (key_len == 5)
a042e39a
JM		 2668 return RSN_CIPHER_SUITE_WEP40;
2669 return RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2670 case WPA_ALG_TKIP:
a042e39a 2671 return RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2672 case WPA_ALG_CCMP:
a042e39a 2673 return RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2674 case WPA_ALG_GCMP:
a042e39a 2675 return RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2676 case WPA_ALG_CCMP_256:
a042e39a 2677 return RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2678 case WPA_ALG_GCMP_256:
a042e39a 2679 return RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2680 case WPA_ALG_IGTK:
a042e39a 2681 return RSN_CIPHER_SUITE_AES_128_CMAC;
de4ed4a8 2682 case WPA_ALG_BIP_GMAC_128:
a042e39a 2683 return RSN_CIPHER_SUITE_BIP_GMAC_128;
de4ed4a8 2684 case WPA_ALG_BIP_GMAC_256:
a042e39a 2685 return RSN_CIPHER_SUITE_BIP_GMAC_256;
de4ed4a8 2686 case WPA_ALG_BIP_CMAC_256:
a042e39a 2687 return RSN_CIPHER_SUITE_BIP_CMAC_256;
de4ed4a8 2688 case WPA_ALG_SMS4:
a042e39a 2689 return RSN_CIPHER_SUITE_SMS4;
de4ed4a8 2690 case WPA_ALG_KRK:
a042e39a 2691 return RSN_CIPHER_SUITE_KRK;
de4ed4a8
JM		 2692 case WPA_ALG_NONE:
2693 case WPA_ALG_PMK:
2694 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2695 alg);
2696 return 0;
2697 }
2698
2699 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2700 alg);
2701 return 0;
2702}
2703
2704
2705static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2706{
2707 switch (cipher) {
2708 case WPA_CIPHER_CCMP_256:
a042e39a 2709 return RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2710 case WPA_CIPHER_GCMP_256:
a042e39a 2711 return RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2712 case WPA_CIPHER_CCMP:
a042e39a 2713 return RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2714 case WPA_CIPHER_GCMP:
a042e39a 2715 return RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2716 case WPA_CIPHER_TKIP:
a042e39a 2717 return RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2718 case WPA_CIPHER_WEP104:
a042e39a 2719 return RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2720 case WPA_CIPHER_WEP40:
a042e39a 2721 return RSN_CIPHER_SUITE_WEP40;
ae6f9272 2722 case WPA_CIPHER_GTK_NOT_USED:
a042e39a 2723 return RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED;
de4ed4a8
JM		 2724 }
2725
2726 return 0;
2727}
2728
2729
2730static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2731 int max_suites)
2732{
2733 int num_suites = 0;
2734
2735 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
a042e39a 2736 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2737 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
a042e39a 2738 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2739 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
a042e39a 2740 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2741 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
a042e39a 2742 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2743 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
a042e39a 2744 suites[num_suites++] = RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2745 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
a042e39a 2746 suites[num_suites++] = RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2747 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
a042e39a 2748 suites[num_suites++] = RSN_CIPHER_SUITE_WEP40;
de4ed4a8
JM		 2749
2750 return num_suites;
2751}
2752
2753
b658547d 2754#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 2755static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2756 const u8 *key, size_t key_len)
2757{
2758 struct nl_msg *msg;
a862e4a3 2759 int ret;
b41f2684 2760
15badebd 2761 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
b41f2684
CL		 2762 return 0;
2763
9725b784 2764 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 2765 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2766 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2767 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2768 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
bbd89bfc 2769 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 2770 nlmsg_free(msg);
2771 return -1;
2772 }
bbd89bfc 2773 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
b41f2684
CL		 2774 if (ret) {
2775 wpa_printf(MSG_DEBUG,
2776 "nl80211: Key management set key failed: ret=%d (%s)",
2777 ret, strerror(-ret));
2778 }
2779
b41f2684
CL		 2780 return ret;
2781}
b658547d 2782#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684
CL		 2783
2784
9ebce9c5 2785static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 2786 enum wpa_alg alg, const u8 *addr,
2787 int key_idx, int set_tx,
642187d6
JM		 2788 const u8 *seq, size_t seq_len,
2789 const u8 *key, size_t key_len)
3f5285e8 2790{
a2e40bb6 2791 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 2792 int ifindex;
34651767 2793 struct nl_msg *msg = NULL;
1ad1cdc2 2794 int ret;
dc01de8a 2795 int tdls = 0;
3f5285e8 2796
e472e1b4
AS		 2797 /* Ignore for P2P Device */
2798 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2799 return 0;
2800
2801 ifindex = if_nametoindex(ifname);
8393e1a0 2802 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 2803 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 2804 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 2805 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 2806#ifdef CONFIG_TDLS
dc01de8a 2807 if (key_idx == -1) {
8c66e185 2808 key_idx = 0;
dc01de8a
JM		 2809 tdls = 1;
2810 }
8c66e185 2811#endif /* CONFIG_TDLS */
3f5285e8 2812
b658547d 2813#ifdef CONFIG_DRIVER_NL80211_QCA
15badebd
CL		 2814 if (alg == WPA_ALG_PMK &&
2815 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
b41f2684
CL		 2816 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2817 __func__);
2818 ret = issue_key_mgmt_set_key(drv, key, key_len);
2819 return ret;
2820 }
b658547d 2821#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 2822
3f5285e8 2823 if (alg == WPA_ALG_NONE) {
95376e1a
JM		 2824 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2825 if (!msg)
2826 return -ENOBUFS;
3f5285e8 2827 } else {
34651767
JM		 2828 u32 suite;
2829
2830 suite = wpa_alg_to_cipher_suite(alg, key_len);
2831 if (!suite)
2832 goto fail;
95376e1a
JM		 2833 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2834 if (!msg ||
a862e4a3 2835 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
34651767 2836 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
a862e4a3 2837 goto fail;
e6ef73f1 2838 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3f5285e8
JM		 2839 }
2840
e6ef73f1 2841 if (seq && seq_len) {
a862e4a3
JM		 2842 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2843 goto fail;
e6ef73f1
JM		 2844 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2845 }
1ad1cdc2 2846
0382097e 2847 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8 2848 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
a862e4a3
JM		 2849 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2850 goto fail;
89c38e32
JM		 2851
2852 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2853 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
a862e4a3
JM		 2854 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2855 NL80211_KEYTYPE_GROUP))
2856 goto fail;
89c38e32 2857 }
60ea8187 2858 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2859 struct nlattr *types;
2860
60ea8187 2861 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 2862
2863 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2864 if (!types ||
2865 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2866 goto fail;
8970bae8 2867 nla_nest_end(msg, types);
3f5285e8 2868 }
95376e1a 2869 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
a862e4a3 2870 goto fail;
3f5285e8 2871
bbd89bfc 2872 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
15664ad0 2873 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 2874 ret = 0;
2875 if (ret)
2876 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2877 ret, strerror(-ret));
3f5285e8 2878
1ad1cdc2
JM		 2879 /*
2880 * If we failed or don't need to set the default TX key (below),
2881 * we're done here.
2882 */
dc01de8a 2883 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 2884 return ret;
b1f625e0 2885 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 2886 !is_broadcast_ether_addr(addr))
de12717a 2887 return ret;
3f5285e8 2888
95376e1a
JM		 2889 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2890 if (!msg ||
a862e4a3 2891 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
86f9b1c7
JM		 2892 nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
2893 alg == WPA_ALG_BIP_GMAC_128 ||
2894 alg == WPA_ALG_BIP_GMAC_256 ||
2895 alg == WPA_ALG_BIP_CMAC_256) ?
a862e4a3
JM		 2896 NL80211_ATTR_KEY_DEFAULT_MGMT :
2897 NL80211_ATTR_KEY_DEFAULT))
2898 goto fail;
60ea8187 2899 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2900 struct nlattr *types;
2901
2902 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2903 if (!types ||
2904 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2905 goto fail;
8970bae8 2906 nla_nest_end(msg, types);
60ea8187 2907 } else if (addr) {
8970bae8
JB		 2908 struct nlattr *types;
2909
2910 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2911 if (!types ||
2912 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2913 goto fail;
8970bae8 2914 nla_nest_end(msg, types);
60ea8187 2915 }
3f5285e8 2916
1ad1cdc2
JM		 2917 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2918 if (ret == -ENOENT)
2919 ret = 0;
2920 if (ret)
2921 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2922 "err=%d %s)", ret, strerror(-ret));
2923 return ret;
3f5285e8 2924
a862e4a3 2925fail:
bbd89bfc 2926 nl80211_nlmsg_clear(msg);
5883168a 2927 nlmsg_free(msg);
6241fcb1 2928 return -ENOBUFS;
3f5285e8
JM		 2929}
2930
2931
71934751 2932static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 2933 int key_idx, int defkey,
2934 const u8 *seq, size_t seq_len,
2935 const u8 *key, size_t key_len)
2936{
2937 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
34651767
JM		 2938 u32 suite;
2939
0194fedb
JB		 2940 if (!key_attr)
2941 return -1;
2942
34651767
JM		 2943 suite = wpa_alg_to_cipher_suite(alg, key_len);
2944 if (!suite)
2945 return -1;
2946
a862e4a3
JM		 2947 if (defkey && alg == WPA_ALG_IGTK) {
2948 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2949 return -1;
2950 } else if (defkey) {
2951 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2952 return -1;
2953 }
0194fedb 2954
a862e4a3 2955 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
34651767 2956 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
a862e4a3
JM		 2957 (seq && seq_len &&
2958 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2959 nla_put(msg, NL80211_KEY_DATA, key_len, key))
2960 return -1;
0194fedb
JB		 2961
2962 nla_nest_end(msg, key_attr);
2963
2964 return 0;
0194fedb
JB		 2965}
2966
c811d5bc 2967
cfaab580
ZY		 2968static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2969 struct nl_msg *msg)
2970{
2971 int i, privacy = 0;
2972 struct nlattr *nl_keys, *nl_key;
2973
2974 for (i = 0; i < 4; i++) {
2975 if (!params->wep_key[i])
2976 continue;
2977 privacy = 1;
2978 break;
2979 }
ce04af5a
JM		 2980 if (params->wps == WPS_MODE_PRIVACY)
2981 privacy = 1;
2982 if (params->pairwise_suite &&
2983 params->pairwise_suite != WPA_CIPHER_NONE)
2984 privacy = 1;
2985
cfaab580
ZY		 2986 if (!privacy)
2987 return 0;
2988
a862e4a3
JM		 2989 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2990 return -ENOBUFS;
cfaab580
ZY		 2991
2992 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2993 if (!nl_keys)
a862e4a3 2994 return -ENOBUFS;
cfaab580
ZY		 2995
2996 for (i = 0; i < 4; i++) {
2997 if (!params->wep_key[i])
2998 continue;
2999
3000 nl_key = nla_nest_start(msg, i);
a862e4a3
JM		 3001 if (!nl_key ||
3002 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3003 params->wep_key[i]) ||
3004 nla_put_u32(msg, NL80211_KEY_CIPHER,
3005 params->wep_key_len[i] == 5 ?
a042e39a
JM		 3006 RSN_CIPHER_SUITE_WEP40 :
3007 RSN_CIPHER_SUITE_WEP104) ||
a862e4a3
JM		 3008 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3009 (i == params->wep_tx_keyidx &&
3010 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3011 return -ENOBUFS;
cfaab580
ZY		 3012
3013 nla_nest_end(msg, nl_key);
3014 }
3015 nla_nest_end(msg, nl_keys);
3016
3017 return 0;
cfaab580
ZY		 3018}
3019
3020
477af8f8
JM		 3021int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3022 const u8 *addr, int cmd, u16 reason_code,
3023 int local_state_change)
c2a04078 3024{
a862e4a3 3025 int ret;
c2a04078
JM		 3026 struct nl_msg *msg;
3027
9725b784 3028 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM		 3029 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3030 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3031 (local_state_change &&
3032 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3033 nlmsg_free(msg);
3034 return -1;
3035 }
c2a04078
JM		 3036
3037 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 3038 if (ret) {
3b7ea880
BG		 3039 wpa_dbg(drv->ctx, MSG_DEBUG,
3040 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3041 reason_code, ret, strerror(-ret));
c2a04078 3042 }
c2a04078
JM		 3043 return ret;
3044}
3f5285e8
JM		 3045
3046
cfaab580 3047static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 3048 int reason_code)
cfaab580 3049{
3f53c006
JJ		 3050 int ret;
3051
817762d9 3052 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 3053 nl80211_mark_disconnected(drv);
817762d9 3054 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 3055 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
3056 reason_code, 0);
3057 /*
3058 * For locally generated disconnect, supplicant already generates a
3059 * DEAUTH event, so ignore the event from NL80211.
3060 */
3061 drv->ignore_next_local_disconnect = ret == 0;
3062
3063 return ret;
cfaab580
ZY		 3064}
3065
3066
9ebce9c5
JM		 3067static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
3068 const u8 *addr, int reason_code)
3f5285e8 3069{
a2e40bb6 3070 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 3071 int ret;
9392c9be
AS		 3072
3073 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3074 nl80211_mark_disconnected(drv);
666e508c 3075 return nl80211_leave_ibss(drv, 1);
9392c9be 3076 }
cfaab580 3077 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 3078 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 3079 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3080 __func__, MAC2STR(addr), reason_code);
add9b7a4 3081 nl80211_mark_disconnected(drv);
d6a36f39
JM		 3082 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
3083 reason_code, 0);
3084 /*
3085 * For locally generated deauthenticate, supplicant already generates a
3086 * DEAUTH event, so ignore the event from NL80211.
3087 */
3088 drv->ignore_next_local_deauth = ret == 0;
3089 return ret;
3f5285e8
JM		 3090}
3091
3092
536fd62d
JM		 3093static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3094 struct wpa_driver_auth_params *params)
3095{
3096 int i;
3097
3098 drv->auth_freq = params->freq;
3099 drv->auth_alg = params->auth_alg;
3100 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3101 drv->auth_local_state_change = params->local_state_change;
3102 drv->auth_p2p = params->p2p;
3103
3104 if (params->bssid)
3105 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3106 else
3107 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3108
3109 if (params->ssid) {
3110 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3111 drv->auth_ssid_len = params->ssid_len;
3112 } else
3113 drv->auth_ssid_len = 0;
3114
3115
3116 os_free(drv->auth_ie);
3117 drv->auth_ie = NULL;
3118 drv->auth_ie_len = 0;
3119 if (params->ie) {
3120 drv->auth_ie = os_malloc(params->ie_len);
3121 if (drv->auth_ie) {
3122 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3123 drv->auth_ie_len = params->ie_len;
3124 }
3125 }
3126
3127 for (i = 0; i < 4; i++) {
3128 if (params->wep_key[i] && params->wep_key_len[i] &&
3129 params->wep_key_len[i] <= 16) {
3130 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3131 params->wep_key_len[i]);
3132 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3133 } else
3134 drv->auth_wep_key_len[i] = 0;
3135 }
3136}
3137
3138
4bd71954
JM		 3139static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3140{
3141 struct wpa_driver_nl80211_data *drv = bss->drv;
3142
3143 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3144 return;
3145
3146 /*
3147 * Looks like we failed to unmask 11b rates previously. This could
3148 * happen, e.g., if the interface was down at the point in time when a
3149 * P2P group was terminated.
3150 */
3151 wpa_printf(MSG_DEBUG,
3152 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3153 bss->ifname);
3154 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3155}
3156
3157
3c67e977
VK		 3158static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3159{
3160 if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3161 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3162 if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3163 return NL80211_AUTHTYPE_SHARED_KEY;
3164 if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3165 return NL80211_AUTHTYPE_NETWORK_EAP;
3166 if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3167 return NL80211_AUTHTYPE_FT;
3168 if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3169 return NL80211_AUTHTYPE_SAE;
3170 if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3171 return NL80211_AUTHTYPE_FILS_SK;
3172 if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3173 return NL80211_AUTHTYPE_FILS_SK_PFS;
3174
3175 return NL80211_AUTHTYPE_MAX;
3176}
3177
3178
c2a04078 3179static int wpa_driver_nl80211_authenticate(
9ebce9c5 3180 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 3181{
a2e40bb6 3182 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 3183 int ret = -1, i;
c2a04078
JM		 3184 struct nl_msg *msg;
3185 enum nl80211_auth_type type;
2f4f73b1 3186 enum nl80211_iftype nlmode;
6d6f4bb8 3187 int count = 0;
536fd62d
JM		 3188 int is_retry;
3189
4bd71954
JM		 3190 nl80211_unmask_11b_rates(bss);
3191
536fd62d
JM		 3192 is_retry = drv->retry_auth;
3193 drv->retry_auth = 0;
e8d70a73 3194 drv->ignore_deauth_event = 0;
c2a04078 3195
add9b7a4 3196 nl80211_mark_disconnected(drv);
e6b8efeb 3197 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 3198 if (params->bssid)
3199 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3200 else
3201 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 3202 /* FIX: IBSS mode */
2f4f73b1
EP		 3203 nlmode = params->p2p ?
3204 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3205 if (drv->nlmode != nlmode &&
9ebce9c5 3206 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 3207 return -1;
3208
6d6f4bb8 3209retry:
c2a04078
JM		 3210 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3211 drv->ifindex);
a0b2f99b 3212
9725b784
JM		 3213 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3214 if (!msg)
3215 goto fail;
0194fedb 3216
a0b2f99b
JM		 3217 for (i = 0; i < 4; i++) {
3218 if (!params->wep_key[i])
3219 continue;
9ebce9c5 3220 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 3221 NULL, i,
a0b2f99b
JM		 3222 i == params->wep_tx_keyidx, NULL, 0,
3223 params->wep_key[i],
3224 params->wep_key_len[i]);
0194fedb
JB		 3225 if (params->wep_tx_keyidx != i)
3226 continue;
3227 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM		 3228 params->wep_key[i], params->wep_key_len[i]))
3229 goto fail;
a0b2f99b
JM		 3230 }
3231
c2a04078
JM		 3232 if (params->bssid) {
3233 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3234 MAC2STR(params->bssid));
a862e4a3
JM		 3235 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3236 goto fail;
c2a04078
JM		 3237 }
3238 if (params->freq) {
3239 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 3240 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3241 goto fail;
c2a04078
JM		 3242 }
3243 if (params->ssid) {
3244 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
3245 params->ssid, params->ssid_len);
a862e4a3
JM		 3246 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3247 params->ssid))
3248 goto fail;
c2a04078
JM		 3249 }
3250 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM		 3251 if (params->ie &&
3252 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3253 goto fail;
ce16c489
JM		 3254 if (params->auth_data) {
3255 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
3256 params->auth_data_len);
3257 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
3258 params->auth_data))
a862e4a3 3259 goto fail;
569fed90 3260 }
3c67e977 3261 type = get_nl_auth_type(params->auth_alg);
c2a04078 3262 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 3263 if (type == NL80211_AUTHTYPE_MAX ||
3264 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 3265 goto fail;
77339912
JM		 3266 if (params->local_state_change) {
3267 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM		 3268 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3269 goto fail;
77339912 3270 }
c2a04078
JM		 3271
3272 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3273 msg = NULL;
3274 if (ret) {
3b7ea880
BG		 3275 wpa_dbg(drv->ctx, MSG_DEBUG,
3276 "nl80211: MLME command failed (auth): ret=%d (%s)",
3277 ret, strerror(-ret));
6d6f4bb8 3278 count++;
77339912
JM		 3279 if (ret == -EALREADY && count == 1 && params->bssid &&
3280 !params->local_state_change) {
6d6f4bb8
JM		 3281 /*
3282 * mac80211 does not currently accept new
3283 * authentication if we are already authenticated. As a
3284 * workaround, force deauthentication and try again.
3285 */
3286 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3287 "after forced deauthentication");
e8d70a73 3288 drv->ignore_deauth_event = 1;
6d6f4bb8 3289 wpa_driver_nl80211_deauthenticate(
5205c4f9 3290 bss, params->bssid,
6d6f4bb8
JM		 3291 WLAN_REASON_PREV_AUTH_NOT_VALID);
3292 nlmsg_free(msg);
3293 goto retry;
3294 }
536fd62d
JM		 3295
3296 if (ret == -ENOENT && params->freq && !is_retry) {
3297 /*
3298 * cfg80211 has likely expired the BSS entry even
3299 * though it was previously available in our internal
3300 * BSS table. To recover quickly, start a single
3301 * channel scan on the specified channel.
3302 */
3303 struct wpa_driver_scan_params scan;
3304 int freqs[2];
3305
3306 os_memset(&scan, 0, sizeof(scan));
3307 scan.num_ssids = 1;
3308 if (params->ssid) {
3309 scan.ssids[0].ssid = params->ssid;
3310 scan.ssids[0].ssid_len = params->ssid_len;
3311 }
3312 freqs[0] = params->freq;
3313 freqs[1] = 0;
3314 scan.freqs = freqs;
3315 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3316 "channel scan to refresh cfg80211 BSS "
3317 "entry");
3318 ret = wpa_driver_nl80211_scan(bss, &scan);
3319 if (ret == 0) {
3320 nl80211_copy_auth_params(drv, params);
3321 drv->scan_for_auth = 1;
3322 }
8c3ba078
JM		 3323 } else if (is_retry) {
3324 /*
3325 * Need to indicate this with an event since the return
3326 * value from the retry is not delivered to core code.
3327 */
3328 union wpa_event_data event;
3329 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3330 "failed");
3331 os_memset(&event, 0, sizeof(event));
3332 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3333 ETH_ALEN);
3334 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3335 &event);
536fd62d 3336 }
a862e4a3
JM		 3337 } else {
3338 wpa_printf(MSG_DEBUG,
3339 "nl80211: Authentication request send successfully");
c2a04078 3340 }
c2a04078 3341
a862e4a3 3342fail:
c2a04078
JM		 3343 nlmsg_free(msg);
3344 return ret;
3345}
3346
3347
f3407c66 3348int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM		 3349{
3350 struct wpa_driver_auth_params params;
834ee56f 3351 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 3352 int i;
3353
3354 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3355
3356 os_memset(&params, 0, sizeof(params));
3357 params.freq = drv->auth_freq;
3358 params.auth_alg = drv->auth_alg;
3359 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3360 params.local_state_change = drv->auth_local_state_change;
3361 params.p2p = drv->auth_p2p;
3362
3363 if (!is_zero_ether_addr(drv->auth_bssid_))
3364 params.bssid = drv->auth_bssid_;
3365
3366 if (drv->auth_ssid_len) {
3367 params.ssid = drv->auth_ssid;
3368 params.ssid_len = drv->auth_ssid_len;
3369 }
3370
3371 params.ie = drv->auth_ie;
3372 params.ie_len = drv->auth_ie_len;
3373
3374 for (i = 0; i < 4; i++) {
3375 if (drv->auth_wep_key_len[i]) {
3376 params.wep_key[i] = drv->auth_wep_key[i];
3377 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3378 }
3379 }
3380
3381 drv->retry_auth = 1;
3382 return wpa_driver_nl80211_authenticate(bss, &params);
3383}
3384
3385
a11241fa
JB		 3386static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3387 const void *data, size_t len,
55231068
JM		 3388 int encrypt, int noack,
3389 unsigned int freq, int no_cck,
2d3943ce
AO		 3390 int offchanok, unsigned int wait_time,
3391 const u16 *csa_offs,
3392 size_t csa_offs_len)
a11241fa
JB		 3393{
3394 struct wpa_driver_nl80211_data *drv = bss->drv;
3395 u64 cookie;
41cc50d1 3396 int res;
a11241fa 3397
c7caac56
JM		 3398 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3399 freq = nl80211_get_assoc_freq(drv);
3400 wpa_printf(MSG_DEBUG,
3401 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3402 freq);
3403 }
af964484
JM		 3404 if (freq == 0) {
3405 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3406 bss->freq);
55231068 3407 freq = bss->freq;
af964484 3408 }
55231068 3409
739faee2 3410 if (drv->use_monitor) {
981cf85a 3411 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
739faee2 3412 freq, bss->freq);
981cf85a 3413 return nl80211_send_monitor(drv, data, len, encrypt, noack);
739faee2 3414 }
a11241fa 3415
739faee2 3416 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1 3417 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
2d3943ce
AO		 3418 &cookie, no_cck, noack, offchanok,
3419 csa_offs, csa_offs_len);
41cc50d1
JM		 3420 if (res == 0 && !noack) {
3421 const struct ieee80211_mgmt *mgmt;
3422 u16 fc;
3423
3424 mgmt = (const struct ieee80211_mgmt *) data;
3425 fc = le_to_host16(mgmt->frame_control);
3426 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3427 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3428 wpa_printf(MSG_MSGDUMP,
3429 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3430 (long long unsigned int)
3431 drv->send_action_cookie,
3432 (long long unsigned int) cookie);
3433 drv->send_action_cookie = cookie;
3434 }
3435 }
3436
3437 return res;
a11241fa
JB		 3438}
3439
3440
9ebce9c5
JM		 3441static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3442 size_t data_len, int noack,
3443 unsigned int freq, int no_cck,
3444 int offchanok,
2d3943ce
AO		 3445 unsigned int wait_time,
3446 const u16 *csa_offs,
3447 size_t csa_offs_len)
2c2010ac 3448{
a2e40bb6 3449 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 3450 struct ieee80211_mgmt *mgmt;
7a47d567 3451 int encrypt = 1;
2c2010ac
JM		 3452 u16 fc;
3453
3454 mgmt = (struct ieee80211_mgmt *) data;
3455 fc = le_to_host16(mgmt->frame_control);
f95a4524
PF		 3456 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3457 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3458 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3459 fc, fc2str(fc), drv->nlmode);
2c2010ac 3460
8e12685c
AS		 3461 if ((is_sta_interface(drv->nlmode) ||
3462 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 3463 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3464 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3465 /*
3466 * The use of last_mgmt_freq is a bit of a hack,
3467 * but it works due to the single-threaded nature
3468 * of wpa_supplicant.
3469 */
af964484
JM		 3470 if (freq == 0) {
3471 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3472 drv->last_mgmt_freq);
55231068 3473 freq = drv->last_mgmt_freq;
af964484 3474 }
55231068 3475 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7 3476 data, data_len, NULL, 1, noack,
2d3943ce 3477 1, csa_offs, csa_offs_len);
5582a5d1
JB		 3478 }
3479
61cbe2ff 3480 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 3481 if (freq == 0) {
3482 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3483 bss->freq);
55231068 3484 freq = bss->freq;
af964484 3485 }
b5671498
JM		 3486 return nl80211_send_frame_cmd(bss, freq,
3487 (int) freq == bss->freq ? 0 :
3488 wait_time,
d8d6b32e
DG		 3489 data, data_len,
3490 &drv->send_action_cookie,
2d3943ce
AO		 3491 no_cck, noack, offchanok,
3492 csa_offs, csa_offs_len);
86957e62
JM		 3493 }
3494
2c2010ac
JM		 3495 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3496 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3497 /*
3498 * Only one of the authentication frame types is encrypted.
3499 * In order for static WEP encryption to work properly (i.e.,
3500 * to not encrypt the frame), we need to tell mac80211 about
3501 * the frames that must not be encrypted.
3502 */
3503 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3504 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 3505 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3506 encrypt = 0;
2c2010ac
JM		 3507 }
3508
739faee2 3509 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 3510 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068 3511 noack, freq, no_cck, offchanok,
2d3943ce
AO		 3512 wait_time, csa_offs,
3513 csa_offs_len);
55231068
JM		 3514}
3515
3516
cae87abd
JM		 3517static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3518{
3519 u8 rates[NL80211_MAX_SUPP_RATES];
3520 u8 rates_len = 0;
3521 int i;
3522
3523 if (!basic_rates)
3524 return 0;
3525
3526 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3527 rates[rates_len++] = basic_rates[i] / 5;
3528
3529 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3530}
3531
3532
31357268 3533static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47 3534 int slot, int ht_opmode, int ap_isolate,
cae87abd 3535 const int *basic_rates)
31357268
JM		 3536{
3537 struct wpa_driver_nl80211_data *drv = bss->drv;
3538 struct nl_msg *msg;
3539
13f83980 3540 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM		 3541 (cts >= 0 &&
3542 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3543 (preamble >= 0 &&
3544 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3545 (slot >= 0 &&
3546 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3547 (ht_opmode >= 0 &&
3548 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3549 (ap_isolate >= 0 &&
cae87abd
JM		 3550 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3551 nl80211_put_basic_rates(msg, basic_rates)) {
3552 nlmsg_free(msg);
3553 return -ENOBUFS;
e5693c47
JM		 3554 }
3555
31357268 3556 return send_and_recv_msgs(drv, msg, NULL, NULL);
31357268
JM		 3557}
3558
3559
3c4ca363
VN		 3560static int wpa_driver_nl80211_set_acl(void *priv,
3561 struct hostapd_acl_params *params)
3562{
3563 struct i802_bss *bss = priv;
3564 struct wpa_driver_nl80211_data *drv = bss->drv;
3565 struct nl_msg *msg;
f429ec44 3566 struct nl_msg *acl;
3c4ca363 3567 unsigned int i;
a862e4a3 3568 int ret;
3c4ca363
VN		 3569
3570 if (!(drv->capa.max_acl_mac_addrs))
3571 return -ENOTSUP;
3572
3573 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3574 return -ENOTSUP;
3575
3c4ca363
VN		 3576 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3577 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3578
f429ec44
JM		 3579 acl = nlmsg_alloc();
3580 if (!acl)
3581 return -ENOMEM;
3582 for (i = 0; i < params->num_mac_acl; i++) {
3583 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3584 nlmsg_free(acl);
3585 return -ENOMEM;
3586 }
3587 }
3588
9725b784 3589 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM		 3590 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3591 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3592 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
f429ec44 3593 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
a862e4a3 3594 nlmsg_free(msg);
f429ec44 3595 nlmsg_free(acl);
a862e4a3
JM		 3596 return -ENOMEM;
3597 }
f429ec44 3598 nlmsg_free(acl);
3c4ca363
VN		 3599
3600 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN		 3601 if (ret) {
3602 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3603 ret, strerror(-ret));
3604 }
3605
3c4ca363
VN		 3606 return ret;
3607}
3608
3609
85e1fad8
JM		 3610static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3611{
3612 if (beacon_int > 0) {
3613 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3614 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3615 beacon_int);
3616 }
3617
3618 return 0;
3619}
3620
3621
4ac2ea57
MH		 3622static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3623{
3624 if (dtim_period > 0) {
3625 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3626 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3627 }
3628
3629 return 0;
3630}
3631
3632
052b8d38
MH		 3633#ifdef CONFIG_MESH
3634static int nl80211_set_mesh_config(void *priv,
3635 struct wpa_driver_mesh_bss_params *params)
3636{
3637 struct i802_bss *bss = priv;
3638 struct wpa_driver_nl80211_data *drv = bss->drv;
3639 struct nl_msg *msg;
3640 int ret;
3641
3642 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3643 if (!msg)
3644 return -1;
3645
3646 ret = nl80211_put_mesh_config(msg, params);
3647 if (ret < 0) {
3648 nlmsg_free(msg);
3649 return ret;
3650 }
3651
3652 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3653 if (ret) {
3654 wpa_printf(MSG_ERROR,
3655 "nl80211: Mesh config set failed: %d (%s)",
3656 ret, strerror(-ret));
3657 return ret;
3658 }
3659 return 0;
3660}
3661#endif /* CONFIG_MESH */
3662
3663
d4f3003c
PK		 3664static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags,
3665 struct wpa_driver_ap_params *params)
3666{
3667 struct nlattr *bands, *band;
3668 struct nl80211_txrate_vht vht_rate;
3669
3670 if (!params->freq ||
3671 (params->beacon_rate == 0 &&
3672 params->rate_type == BEACON_RATE_LEGACY))
3673 return 0;
3674
3675 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
3676 if (!bands)
3677 return -1;
3678
3679 switch (params->freq->mode) {
3680 case HOSTAPD_MODE_IEEE80211B:
3681 case HOSTAPD_MODE_IEEE80211G:
3682 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
3683 break;
3684 case HOSTAPD_MODE_IEEE80211A:
3685 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
3686 break;
3687 case HOSTAPD_MODE_IEEE80211AD:
3688 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
3689 break;
3690 default:
3691 return 0;
3692 }
3693
3694 if (!band)
3695 return -1;
3696
3697 os_memset(&vht_rate, 0, sizeof(vht_rate));
3698
3699 switch (params->rate_type) {
3700 case BEACON_RATE_LEGACY:
3701 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
3702 wpa_printf(MSG_INFO,
3703 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
3704 return -1;
3705 }
3706
3707 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
3708 (u8) params->beacon_rate / 5) ||
3709 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
3710 (params->freq->vht_enabled &&
3711 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3712 &vht_rate)))
3713 return -1;
3714
3715 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
3716 params->beacon_rate);
3717 break;
3718 case BEACON_RATE_HT:
3719 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
3720 wpa_printf(MSG_INFO,
3721 "nl80211: Driver does not support setting Beacon frame rate (HT)");
3722 return -1;
3723 }
3724 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
3725 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
3726 (params->freq->vht_enabled &&
3727 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3728 &vht_rate)))
3729 return -1;
3730 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
3731 params->beacon_rate);
3732 break;
3733 case BEACON_RATE_VHT:
3734 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
3735 wpa_printf(MSG_INFO,
3736 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
3737 return -1;
3738 }
3739 vht_rate.mcs[0] = BIT(params->beacon_rate);
3740 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
3741 return -1;
3742 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
3743 return -1;
3744 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3745 &vht_rate))
3746 return -1;
3747 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
3748 params->beacon_rate);
3749 break;
3750 }
3751
3752 nla_nest_end(msg, band);
3753 nla_nest_end(msg, bands);
3754
3755 return 0;
3756}
3757
3758
34f7c699
MB		 3759static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
3760 int multicast_to_unicast)
3761{
3762 struct wpa_driver_nl80211_data *drv = bss->drv;
3763 struct nl_msg *msg;
3764 int ret;
3765
3766 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
3767 if (!msg ||
3768 (multicast_to_unicast &&
3769 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
3770 wpa_printf(MSG_ERROR,
3771 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
3772 bss->ifname);
3773 nlmsg_free(msg);
3774 return -ENOBUFS;
3775 }
3776
3777 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3778
3779 switch (ret) {
3780 case 0:
3781 wpa_printf(MSG_DEBUG,
3782 "nl80211: multicast to unicast %s on interface %s",
3783 multicast_to_unicast ? "enabled" : "disabled",
3784 bss->ifname);
3785 break;
3786 case -EOPNOTSUPP:
3787 if (!multicast_to_unicast)
3788 break;
3789 wpa_printf(MSG_INFO,
3790 "nl80211: multicast to unicast not supported on interface %s",
3791 bss->ifname);
3792 break;
3793 default:
3794 wpa_printf(MSG_ERROR,
3795 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
3796 multicast_to_unicast ? "enabling" : "disabling",
3797 ret, strerror(-ret), bss->ifname);
3798 break;
3799 }
3800
3801 return ret;
3802}
3803
3804
19c3b566
JM		 3805static int wpa_driver_nl80211_set_ap(void *priv,
3806 struct wpa_driver_ap_params *params)
d2440ba0 3807{
a2e40bb6
FF		 3808 struct i802_bss *bss = priv;
3809 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 3810 struct nl_msg *msg;
3811 u8 cmd = NL80211_CMD_NEW_BEACON;
3812 int ret;
b4fd6fab 3813 int beacon_set;
b11d1d64 3814 int num_suites;
da1080d7 3815 int smps_mode;
de4ed4a8 3816 u32 suites[10], suite;
b11d1d64 3817 u32 ver;
052b8d38
MH		 3818#ifdef CONFIG_MESH
3819 struct wpa_driver_mesh_bss_params mesh_params;
3820#endif /* CONFIG_MESH */
b4fd6fab 3821
f33c8606 3822 beacon_set = params->reenable ? 0 : bss->beacon_set;
d2440ba0 3823
d2440ba0 3824 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 3825 beacon_set);
3826 if (beacon_set)
d2440ba0 3827 cmd = NL80211_CMD_SET_BEACON;
89fa633a
DL		 3828 else if (!drv->device_ap_sme && !drv->use_monitor &&
3829 !nl80211_get_wiphy_data_ap(bss))
a70cd0db 3830 return -ENOBUFS;
d2440ba0 3831
b92e08fc
JM		 3832 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3833 params->head, params->head_len);
b92e08fc
JM		 3834 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3835 params->tail, params->tail_len);
13f83980 3836 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 3837 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
d4f3003c
PK		 3838 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
3839 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
b92e08fc 3840 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
b92e08fc
JM		 3841 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3842 params->ssid, params->ssid_len);
13f83980 3843 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 3844 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3845 params->head) ||
3846 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3847 params->tail) ||
85e1fad8 3848 nl80211_put_beacon_int(msg, params->beacon_int) ||
d4f3003c 3849 nl80211_put_beacon_rate(msg, drv->capa.flags, params) ||
4ac2ea57 3850 nl80211_put_dtim_period(msg, params->dtim_period) ||
a862e4a3
JM		 3851 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3852 goto fail;
b92e08fc
JM		 3853 if (params->proberesp && params->proberesp_len) {
3854 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3855 params->proberesp, params->proberesp_len);
a862e4a3
JM		 3856 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3857 params->proberesp))
3858 goto fail;
b92e08fc 3859 }
97a7a0b5
JM		 3860 switch (params->hide_ssid) {
3861 case NO_SSID_HIDING:
b92e08fc 3862 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM		 3863 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3864 NL80211_HIDDEN_SSID_NOT_IN_USE))
3865 goto fail;
97a7a0b5
JM		 3866 break;
3867 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 3868 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM		 3869 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3870 NL80211_HIDDEN_SSID_ZERO_LEN))
3871 goto fail;
97a7a0b5
JM		 3872 break;
3873 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 3874 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM		 3875 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3876 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3877 goto fail;
97a7a0b5
JM		 3878 break;
3879 }
b92e08fc 3880 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM		 3881 if (params->privacy &&
3882 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3883 goto fail;
b92e08fc 3884 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 3885 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3886 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3887 /* Leave out the attribute */
a862e4a3
JM		 3888 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3889 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3890 NL80211_AUTHTYPE_SHARED_KEY))
3891 goto fail;
3892 } else {
3893 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3894 NL80211_AUTHTYPE_OPEN_SYSTEM))
3895 goto fail;
3896 }
b11d1d64 3897
b92e08fc 3898 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 3899 ver = 0;
3900 if (params->wpa_version & WPA_PROTO_WPA)
3901 ver |= NL80211_WPA_VERSION_1;
3902 if (params->wpa_version & WPA_PROTO_RSN)
3903 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM		 3904 if (ver &&
3905 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3906 goto fail;
b11d1d64 3907
b92e08fc
JM		 3908 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3909 params->key_mgmt_suites);
b11d1d64
JM		 3910 num_suites = 0;
3911 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3aa24db9 3912 suites[num_suites++] = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
b11d1d64 3913 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3aa24db9 3914 suites[num_suites++] = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
a862e4a3
JM		 3915 if (num_suites &&
3916 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3917 suites))
3918 goto fail;
b11d1d64 3919
533fe09b 3920 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
e3429c0b
JB		 3921 (!params->pairwise_ciphers ||
3922 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
3923 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
3924 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
a862e4a3 3925 goto fail;
9f12614b 3926
b92e08fc
JM		 3927 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3928 params->pairwise_ciphers);
de4ed4a8
JM		 3929 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3930 suites, ARRAY_SIZE(suites));
a862e4a3
JM		 3931 if (num_suites &&
3932 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3933 num_suites * sizeof(u32), suites))
3934 goto fail;
b11d1d64 3935
b92e08fc
JM		 3936 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3937 params->group_cipher);
de4ed4a8 3938 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM		 3939 if (suite &&
3940 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3941 goto fail;
d2440ba0 3942
ee298f1b
JM		 3943 if (params->ht_opmode != -1) {
3944 switch (params->smps_mode) {
3945 case HT_CAP_INFO_SMPS_DYNAMIC:
3946 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3947 smps_mode = NL80211_SMPS_DYNAMIC;
3948 break;
3949 case HT_CAP_INFO_SMPS_STATIC:
3950 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3951 smps_mode = NL80211_SMPS_STATIC;
3952 break;
3953 default:
3954 /* invalid - fallback to smps off */
3955 case HT_CAP_INFO_SMPS_DISABLED:
3956 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3957 smps_mode = NL80211_SMPS_OFF;
3958 break;
3959 }
a2426829 3960 if (nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
ee298f1b 3961 goto fail;
da1080d7 3962 }
da1080d7 3963
fb91db56 3964 if (params->beacon_ies) {
b92e08fc
JM		 3965 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3966 params->beacon_ies);
a862e4a3
JM		 3967 if (nla_put(msg, NL80211_ATTR_IE,
3968 wpabuf_len(params->beacon_ies),
3969 wpabuf_head(params->beacon_ies)))
3970 goto fail;
fb91db56
JM		 3971 }
3972 if (params->proberesp_ies) {
b92e08fc
JM		 3973 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3974 params->proberesp_ies);
a862e4a3
JM		 3975 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3976 wpabuf_len(params->proberesp_ies),
3977 wpabuf_head(params->proberesp_ies)))
3978 goto fail;
fb91db56
JM		 3979 }
3980 if (params->assocresp_ies) {
b92e08fc
JM		 3981 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3982 params->assocresp_ies);
a862e4a3
JM		 3983 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3984 wpabuf_len(params->assocresp_ies),
3985 wpabuf_head(params->assocresp_ies)))
3986 goto fail;
fb91db56
JM		 3987 }
3988
a0133ee1 3989 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 3990 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3991 params->ap_max_inactivity);
a862e4a3
JM		 3992 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3993 params->ap_max_inactivity))
3994 goto fail;
a0133ee1
VT		 3995 }
3996
abb8d08b
EP		 3997#ifdef CONFIG_P2P
3998 if (params->p2p_go_ctwindow > 0) {
3999 if (drv->p2p_go_ctwindow_supported) {
4000 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
4001 params->p2p_go_ctwindow);
4002 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
4003 params->p2p_go_ctwindow))
4004 goto fail;
4005 } else {
4006 wpa_printf(MSG_INFO,
4007 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
4008 }
4009 }
4010#endif /* CONFIG_P2P */
4011
86b5c400
LD		 4012 if (params->pbss) {
4013 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
4014 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4015 goto fail;
4016 }
4017
d2440ba0
JM		 4018 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4019 if (ret) {
4020 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
4021 ret, strerror(-ret));
b4fd6fab 4022 } else {
b4fd6fab 4023 bss->beacon_set = 1;
31357268 4024 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 4025 params->short_slot_time, params->ht_opmode,
e5693c47 4026 params->isolate, params->basic_rates);
34f7c699
MB		 4027 nl80211_set_multicast_to_unicast(bss,
4028 params->multicast_to_unicast);
e87ef751
PX		 4029 if (beacon_set && params->freq &&
4030 params->freq->bandwidth != bss->bandwidth) {
4031 wpa_printf(MSG_DEBUG,
4032 "nl80211: Update BSS %s bandwidth: %d -> %d",
4033 bss->ifname, bss->bandwidth,
4034 params->freq->bandwidth);
4035 ret = nl80211_set_channel(bss, params->freq, 1);
4036 if (ret) {
4037 wpa_printf(MSG_DEBUG,
4038 "nl80211: Frequency set failed: %d (%s)",
4039 ret, strerror(-ret));
4040 } else {
4041 wpa_printf(MSG_DEBUG,
4042 "nl80211: Frequency set succeeded for ht2040 coex");
4043 bss->bandwidth = params->freq->bandwidth;
4044 }
f5728d0a 4045 } else if (!beacon_set && params->freq) {
e87ef751
PX		 4046 /*
4047 * cfg80211 updates the driver on frequence change in AP
4048 * mode only at the point when beaconing is started, so
4049 * set the initial value here.
4050 */
4051 bss->bandwidth = params->freq->bandwidth;
4052 }
b4fd6fab 4053 }
052b8d38
MH		 4054
4055#ifdef CONFIG_MESH
4056 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
4057 os_memset(&mesh_params, 0, sizeof(mesh_params));
4058 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
4059 mesh_params.ht_opmode = params->ht_opmode;
4060 ret = nl80211_set_mesh_config(priv, &mesh_params);
4061 if (ret < 0)
4062 return ret;
4063 }
4064#endif /* CONFIG_MESH */
4065
d2440ba0 4066 return ret;
a862e4a3 4067fail:
5883168a 4068 nlmsg_free(msg);
d2440ba0
JM		 4069 return -ENOBUFS;
4070}
4071
4072
1c4ffa87 4073static int nl80211_put_freq_params(struct nl_msg *msg,
72b2605f 4074 const struct hostapd_freq_params *freq)
1581b38b 4075{
1fc4ab23 4076 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
a862e4a3
JM		 4077 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4078 return -ENOBUFS;
4079
1fc4ab23
JM		 4080 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4081 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4082
89b800d7 4083 if (freq->vht_enabled) {
a862e4a3
JM		 4084 enum nl80211_chan_width cw;
4085
1fc4ab23 4086 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
89b800d7
JB		 4087 switch (freq->bandwidth) {
4088 case 20:
a862e4a3 4089 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB		 4090 break;
4091 case 40:
a862e4a3 4092 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB		 4093 break;
4094 case 80:
4095 if (freq->center_freq2)
a862e4a3 4096 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 4097 else
a862e4a3 4098 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB		 4099 break;
4100 case 160:
a862e4a3 4101 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB		 4102 break;
4103 default:
1c4ffa87 4104 return -EINVAL;
89b800d7 4105 }
a862e4a3 4106
1fc4ab23
JM		 4107 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4108 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4109 freq->center_freq1);
4110 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4111 freq->center_freq2);
a862e4a3
JM		 4112 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4113 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4114 freq->center_freq1) ||
4115 (freq->center_freq2 &&
4116 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
4117 freq->center_freq2)))
4118 return -ENOBUFS;
89b800d7 4119 } else if (freq->ht_enabled) {
a862e4a3
JM		 4120 enum nl80211_channel_type ct;
4121
1fc4ab23
JM		 4122 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4123 freq->sec_channel_offset);
89b800d7 4124 switch (freq->sec_channel_offset) {
f019981a 4125 case -1:
a862e4a3 4126 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM		 4127 break;
4128 case 1:
a862e4a3 4129 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM		 4130 break;
4131 default:
a862e4a3 4132 ct = NL80211_CHAN_HT20;
f019981a
JM		 4133 break;
4134 }
a862e4a3 4135
1fc4ab23 4136 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
a862e4a3
JM		 4137 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
4138 return -ENOBUFS;
3388e7b9
MH		 4139 } else {
4140 wpa_printf(MSG_DEBUG, " * channel_type=%d",
4141 NL80211_CHAN_NO_HT);
4142 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
4143 NL80211_CHAN_NO_HT))
4144 return -ENOBUFS;
f019981a 4145 }
1c4ffa87 4146 return 0;
1c4ffa87
AO		 4147}
4148
4149
e87ef751
PX		 4150static int nl80211_set_channel(struct i802_bss *bss,
4151 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 4152{
4153 struct wpa_driver_nl80211_data *drv = bss->drv;
4154 struct nl_msg *msg;
4155 int ret;
4156
4157 wpa_printf(MSG_DEBUG,
4158 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
4159 freq->freq, freq->ht_enabled, freq->vht_enabled,
4160 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 4161
9725b784
JM		 4162 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
4163 NL80211_CMD_SET_WIPHY);
4164 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM		 4165 nlmsg_free(msg);
4166 return -1;
4167 }
1581b38b 4168
d2440ba0 4169 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 4170 if (ret == 0) {
89b800d7 4171 bss->freq = freq->freq;
1581b38b 4172 return 0;
e4fb2167 4173 }
f019981a 4174 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 4175 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM		 4176 return -1;
4177}
4178
0f4e8b4f 4179
95ab6063
AN		 4180static u32 sta_flags_nl80211(int flags)
4181{
4182 u32 f = 0;
4183
4184 if (flags & WPA_STA_AUTHORIZED)
4185 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
4186 if (flags & WPA_STA_WMM)
4187 f |= BIT(NL80211_STA_FLAG_WME);
4188 if (flags & WPA_STA_SHORT_PREAMBLE)
4189 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
4190 if (flags & WPA_STA_MFP)
4191 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 4192 if (flags & WPA_STA_TDLS_PEER)
4193 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC		 4194 if (flags & WPA_STA_AUTHENTICATED)
4195 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
dc55b6b6
AB		 4196 if (flags & WPA_STA_ASSOCIATED)
4197 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
95ab6063
AN		 4198
4199 return f;
4200}
4201
4202
7c7e7877
BC		 4203#ifdef CONFIG_MESH
4204static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
4205{
4206 switch (state) {
d02e5498 4207 case PLINK_IDLE:
7c7e7877 4208 return NL80211_PLINK_LISTEN;
d02e5498 4209 case PLINK_OPN_SNT:
7c7e7877 4210 return NL80211_PLINK_OPN_SNT;
d02e5498 4211 case PLINK_OPN_RCVD:
7c7e7877
BC		 4212 return NL80211_PLINK_OPN_RCVD;
4213 case PLINK_CNF_RCVD:
4214 return NL80211_PLINK_CNF_RCVD;
4215 case PLINK_ESTAB:
4216 return NL80211_PLINK_ESTAB;
4217 case PLINK_HOLDING:
4218 return NL80211_PLINK_HOLDING;
4219 case PLINK_BLOCKED:
4220 return NL80211_PLINK_BLOCKED;
4221 default:
4222 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
4223 state);
4224 }
4225 return -1;
4226}
4227#endif /* CONFIG_MESH */
4228
4229
62847751 4230static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 4231 struct hostapd_sta_add_params *params)
4232{
a2e40bb6
FF		 4233 struct i802_bss *bss = priv;
4234 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 4235 struct nl_msg *msg;
95ab6063 4236 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 4237 int ret = -ENOBUFS;
4238
45b722f1
AN		 4239 if ((params->flags & WPA_STA_TDLS_PEER) &&
4240 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
4241 return -EOPNOTSUPP;
4242
e4dea253
JM		 4243 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
4244 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM		 4245 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
4246 NL80211_CMD_NEW_STATION);
4247 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 4248 goto fail;
5551bc9c 4249
dc55b6b6
AB		 4250 /*
4251 * Set the below properties only in one of the following cases:
4252 * 1. New station is added, already associated.
4253 * 2. Set WPA_STA_TDLS_PEER station.
4254 * 3. Set an already added unassociated station, if driver supports
4255 * full AP client state. (Set these properties after station became
4256 * associated will be rejected by the driver).
4257 */
4258 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4259 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4260 (params->flags & WPA_STA_ASSOCIATED))) {
5551bc9c
BC		 4261 wpa_hexdump(MSG_DEBUG, " * supported rates",
4262 params->supp_rates, params->supp_rates_len);
a862e4a3
JM		 4263 wpa_printf(MSG_DEBUG, " * capability=0x%x",
4264 params->capability);
4265 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
4266 params->supp_rates_len, params->supp_rates) ||
4267 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
4268 params->capability))
4269 goto fail;
e503861f
JM		 4270
4271 if (params->ht_capabilities) {
4272 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
4273 (u8 *) params->ht_capabilities,
4274 sizeof(*params->ht_capabilities));
a862e4a3
JM		 4275 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
4276 sizeof(*params->ht_capabilities),
4277 params->ht_capabilities))
4278 goto fail;
e503861f
JM		 4279 }
4280
4281 if (params->vht_capabilities) {
4282 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
4283 (u8 *) params->vht_capabilities,
4284 sizeof(*params->vht_capabilities));
a862e4a3
JM		 4285 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
4286 sizeof(*params->vht_capabilities),
4287 params->vht_capabilities))
4288 goto fail;
e503861f
JM		 4289 }
4290
e503861f
JM		 4291 if (params->ext_capab) {
4292 wpa_hexdump(MSG_DEBUG, " * ext_capab",
4293 params->ext_capab, params->ext_capab_len);
a862e4a3
JM		 4294 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4295 params->ext_capab_len, params->ext_capab))
4296 goto fail;
e503861f 4297 }
ae33239c
AB		 4298
4299 if (is_ap_interface(drv->nlmode) &&
4300 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4301 params->support_p2p_ps ?
4302 NL80211_P2P_PS_SUPPORTED :
4303 NL80211_P2P_PS_UNSUPPORTED))
4304 goto fail;
5551bc9c 4305 }
45b722f1 4306 if (!params->set) {
f11b72c3
JM		 4307 if (params->aid) {
4308 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM		 4309 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4310 goto fail;
f11b72c3
JM		 4311 } else {
4312 /*
4313 * cfg80211 validates that AID is non-zero, so we have
4314 * to make this a non-zero value for the TDLS case where
dc55b6b6
AB		 4315 * a dummy STA entry is used for now and for a station
4316 * that is still not associated.
f11b72c3 4317 */
dc55b6b6
AB		 4318 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4319 (params->flags & WPA_STA_TDLS_PEER) ?
4320 "TDLS" : "UNASSOC_STA");
a862e4a3
JM		 4321 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4322 goto fail;
f11b72c3 4323 }
e4dea253
JM		 4324 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4325 params->listen_interval);
a862e4a3
JM		 4326 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4327 params->listen_interval))
4328 goto fail;
e112764e
JM		 4329 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4330 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM		 4331 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4332 goto fail;
dc55b6b6
AB		 4333 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4334 (params->flags & WPA_STA_ASSOCIATED)) {
4335 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4336 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4337 params->listen_interval);
4338 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4339 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4340 params->listen_interval))
4341 goto fail;
45b722f1 4342 }
05a8d422 4343
8a458116
MK		 4344 if (params->vht_opmode_enabled) {
4345 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM		 4346 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4347 params->vht_opmode))
4348 goto fail;
8a458116
MK		 4349 }
4350
efc64886
SD		 4351 if (params->supp_channels) {
4352 wpa_hexdump(MSG_DEBUG, " * supported channels",
4353 params->supp_channels, params->supp_channels_len);
a862e4a3
JM		 4354 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4355 params->supp_channels_len, params->supp_channels))
4356 goto fail;
efc64886
SD		 4357 }
4358
4359 if (params->supp_oper_classes) {
4360 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4361 params->supp_oper_classes,
4362 params->supp_oper_classes_len);
a862e4a3
JM		 4363 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4364 params->supp_oper_classes_len,
4365 params->supp_oper_classes))
4366 goto fail;
efc64886
SD		 4367 }
4368
95ab6063 4369 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC		 4370 upd.set = sta_flags_nl80211(params->flags);
4371 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
dc55b6b6
AB		 4372
4373 /*
4374 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4375 * flags, as nl80211 driver moves a new station, by default, into
4376 * associated state.
4377 *
4378 * On the other hand, if the driver supports that feature and the
4379 * station is added in unauthenticated state, set the
4380 * authenticated/associated bits in the mask to prevent moving this
4381 * station to associated state before it is actually associated.
4382 *
4383 * This is irrelevant for mesh mode where the station is added to the
4384 * driver as authenticated already, and ASSOCIATED isn't part of the
4385 * nl80211 API.
4386 */
4387 if (!is_mesh_interface(drv->nlmode)) {
4388 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4389 wpa_printf(MSG_DEBUG,
4390 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4391 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4392 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4393 } else if (!params->set &&
4394 !(params->flags & WPA_STA_TDLS_PEER)) {
4395 if (!(params->flags & WPA_STA_AUTHENTICATED))
4396 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4397 if (!(params->flags & WPA_STA_ASSOCIATED))
4398 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4399 }
e347cafe
MH		 4400#ifdef CONFIG_MESH
4401 } else {
4402 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4403 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4404 params->peer_aid);
4405 if (ret)
4406 goto fail;
4407 }
4408#endif /* CONFIG_MESH */
dc55b6b6
AB		 4409 }
4410
e4dea253
JM		 4411 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4412 upd.set, upd.mask);
a862e4a3
JM		 4413 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4414 goto fail;
95ab6063 4415
7c7e7877 4416#ifdef CONFIG_MESH
a862e4a3
JM		 4417 if (params->plink_state &&
4418 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4419 sta_plink_state_nl80211(params->plink_state)))
4420 goto fail;
7c7e7877
BC		 4421#endif /* CONFIG_MESH */
4422
774bfa62 4423 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 4424 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4425
e4dea253 4426 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM		 4427 if (!wme ||
4428 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4429 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4430 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4431 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4432 WMM_QOSINFO_STA_SP_MASK))
4433 goto fail;
8970bae8 4434 nla_nest_end(msg, wme);
774bfa62
EP		 4435 }
4436
0f4e8b4f 4437 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4438 msg = NULL;
0f4e8b4f 4439 if (ret)
45b722f1
AN		 4440 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4441 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4442 strerror(-ret));
0f4e8b4f
JM		 4443 if (ret == -EEXIST)
4444 ret = 0;
a862e4a3 4445fail:
5883168a 4446 nlmsg_free(msg);
0f4e8b4f
JM		 4447 return ret;
4448}
4449
4450
97ed9a06
KP		 4451static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4452{
4453#ifdef CONFIG_LIBNL3_ROUTE
4454 struct wpa_driver_nl80211_data *drv = bss->drv;
4455 struct rtnl_neigh *rn;
4456 struct nl_addr *nl_addr;
4457 int err;
4458
4459 rn = rtnl_neigh_alloc();
4460 if (!rn)
4461 return;
4462
4463 rtnl_neigh_set_family(rn, AF_BRIDGE);
4464 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4465 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4466 if (!nl_addr) {
4467 rtnl_neigh_put(rn);
4468 return;
4469 }
4470 rtnl_neigh_set_lladdr(rn, nl_addr);
4471
4472 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4473 if (err < 0) {
4474 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4475 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4476 bss->ifindex, nl_geterror(err));
4477 } else {
4478 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4479 MACSTR, MAC2STR(addr));
4480 }
4481
4482 nl_addr_put(nl_addr);
4483 rtnl_neigh_put(rn);
4484#endif /* CONFIG_LIBNL3_ROUTE */
4485}
4486
4487
59d7148a
JM		 4488static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4489 int deauth, u16 reason_code)
0f4e8b4f 4490{
a2e40bb6 4491 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 4492 struct nl_msg *msg;
4493 int ret;
4494
13f83980 4495 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM		 4496 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4497 (deauth == 0 &&
4498 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4499 WLAN_FC_STYPE_DISASSOC)) ||
4500 (deauth == 1 &&
4501 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4502 WLAN_FC_STYPE_DEAUTH)) ||
4503 (reason_code &&
4504 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4505 nlmsg_free(msg);
4506 return -ENOBUFS;
4507 }
0f4e8b4f
JM		 4508
4509 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 4510 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4511 " --> %d (%s)",
4512 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 4513
4514 if (drv->rtnl_sk)
4515 rtnl_neigh_delete_fdb_entry(bss, addr);
4516
0f4e8b4f
JM		 4517 if (ret == -ENOENT)
4518 return 0;
4519 return ret;
0f4e8b4f
JM		 4520}
4521
1581b38b 4522
f3407c66 4523void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM		 4524{
4525 struct nl_msg *msg;
de884303 4526 struct wpa_driver_nl80211_data *drv2;
0915d02c 4527
c6e8e8e4
JM		 4528 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4529
2135f224 4530 /* stop listening for EAPOL on this interface */
de884303
JM		 4531 dl_list_for_each(drv2, &drv->global->interfaces,
4532 struct wpa_driver_nl80211_data, list)
732b1d20
MB		 4533 {
4534 del_ifidx(drv2, ifidx, IFIDX_ANY);
4535 /* Remove all bridges learned for this iface */
4536 del_ifidx(drv2, IFIDX_ANY, ifidx);
4537 }
2135f224 4538
95376e1a 4539 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 4540 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4541 return;
e748062b 4542 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 4543}
4544
4545
cc9a2575 4546const char * nl80211_iftype_str(enum nl80211_iftype mode)
a1922f93
JM		 4547{
4548 switch (mode) {
4549 case NL80211_IFTYPE_ADHOC:
4550 return "ADHOC";
4551 case NL80211_IFTYPE_STATION:
4552 return "STATION";
4553 case NL80211_IFTYPE_AP:
4554 return "AP";
1045ec36
JM		 4555 case NL80211_IFTYPE_AP_VLAN:
4556 return "AP_VLAN";
4557 case NL80211_IFTYPE_WDS:
4558 return "WDS";
a1922f93
JM		 4559 case NL80211_IFTYPE_MONITOR:
4560 return "MONITOR";
1045ec36
JM		 4561 case NL80211_IFTYPE_MESH_POINT:
4562 return "MESH_POINT";
a1922f93
JM		 4563 case NL80211_IFTYPE_P2P_CLIENT:
4564 return "P2P_CLIENT";
4565 case NL80211_IFTYPE_P2P_GO:
4566 return "P2P_GO";
7aad838c
NS		 4567 case NL80211_IFTYPE_P2P_DEVICE:
4568 return "P2P_DEVICE";
a1922f93
JM		 4569 default:
4570 return "unknown";
4571 }
4572}
4573
4574
a35187e7
KH		 4575static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4576 const char *ifname,
4577 enum nl80211_iftype iftype,
d6dcfcda
DS		 4578 const u8 *addr, int wds,
4579 int (*handler)(struct nl_msg *, void *),
4580 void *arg)
0915d02c 4581{
8970bae8 4582 struct nl_msg *msg;
0915d02c
JM		 4583 int ifidx;
4584 int ret = -ENOBUFS;
4585
a1922f93
JM		 4586 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4587 iftype, nl80211_iftype_str(iftype));
4588
56f77852
JM		 4589 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4590 if (!msg ||
a862e4a3
JM		 4591 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4592 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4593 goto fail;
0915d02c
JM		 4594
4595 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 4596 struct nlattr *flags;
0915d02c 4597
8970bae8 4598 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM		 4599 if (!flags ||
4600 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4601 goto fail;
0915d02c 4602
8970bae8 4603 nla_nest_end(msg, flags);
fbbfcbac 4604 } else if (wds) {
a862e4a3
JM		 4605 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4606 goto fail;
0915d02c
JM		 4607 }
4608
52f5877a
IP		 4609 /*
4610 * Tell cfg80211 that the interface belongs to the socket that created
4611 * it, and the interface should be deleted when the socket is closed.
4612 */
a862e4a3
JM		 4613 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4614 goto fail;
52f5877a 4615
d6dcfcda 4616 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 4617 msg = NULL;
0915d02c 4618 if (ret) {
a862e4a3 4619 fail:
5883168a 4620 nlmsg_free(msg);
a35187e7
KH		 4621 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4622 ifname, ret, strerror(-ret));
0915d02c
JM		 4623 return ret;
4624 }
4625
f632e483 4626 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 4627 return 0;
6bae92e0 4628
0915d02c 4629 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 4630 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4631 ifname, ifidx);
0915d02c
JM		 4632
4633 if (ifidx <= 0)
4634 return -1;
4635
147848ec
JM		 4636 /*
4637 * Some virtual interfaces need to process EAPOL packets and events on
4638 * the parent interface. This is used mainly with hostapd.
4639 */
4640 if (drv->hostapd ||
4641 iftype == NL80211_IFTYPE_AP_VLAN ||
4642 iftype == NL80211_IFTYPE_WDS ||
4643 iftype == NL80211_IFTYPE_MONITOR) {
4644 /* start listening for EAPOL on this interface */
732b1d20 4645 add_ifidx(drv, ifidx, IFIDX_ANY);
147848ec 4646 }
2135f224 4647
7bfc47c3 4648 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 4649 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 4650 nl80211_remove_iface(drv, ifidx);
4651 return -1;
2135f224 4652 }
2135f224 4653
0915d02c
JM		 4654 return ifidx;
4655}
22a7c9d7
JM		 4656
4657
f3407c66
JM		 4658int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4659 const char *ifname, enum nl80211_iftype iftype,
4660 const u8 *addr, int wds,
4661 int (*handler)(struct nl_msg *, void *),
4662 void *arg, int use_existing)
a35187e7
KH		 4663{
4664 int ret;
4665
d6dcfcda
DS		 4666 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4667 arg);
a35187e7 4668
ffbf1eaa 4669 /* if error occurred and interface exists already */
a35187e7 4670 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 4671 if (use_existing) {
4672 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4673 ifname);
6997f8ba
JM		 4674 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4675 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4676 addr) < 0 &&
4677 (linux_set_iface_flags(drv->global->ioctl_sock,
4678 ifname, 0) < 0 ||
4679 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4680 addr) < 0 ||
4681 linux_set_iface_flags(drv->global->ioctl_sock,
4682 ifname, 1) < 0))
4683 return -1;
2aec4f3c
JM		 4684 return -ENFILE;
4685 }
a35187e7
KH		 4686 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4687
4688 /* Try to remove the interface that was already there. */
4689 nl80211_remove_iface(drv, if_nametoindex(ifname));
4690
4691 /* Try to create the interface again */
fbbfcbac 4692 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 4693 wds, handler, arg);
a35187e7
KH		 4694 }
4695
3e208481
JM		 4696 if (ret >= 0 && is_p2p_net_interface(iftype)) {
4697 wpa_printf(MSG_DEBUG,
4698 "nl80211: Interface %s created for P2P - disable 11b rates",
4699 ifname);
4e5cb1a3 4700 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 4701 }
4e5cb1a3 4702
a35187e7
KH		 4703 return ret;
4704}
0915d02c 4705
2135f224 4706
3fd1cefb
JB		 4707static int nl80211_setup_ap(struct i802_bss *bss)
4708{
4709 struct wpa_driver_nl80211_data *drv = bss->drv;
4710
748c0ac0
JM		 4711 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4712 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 4713
a11241fa
JB		 4714 /*
4715 * Disable Probe Request reporting unless we need it in this way for
4716 * devices that include the AP SME, in the other case (unless using
4717 * monitor iface) we'll get it through the nl_mgmt socket instead.
4718 */
4719 if (!drv->device_ap_sme)
4720 wpa_driver_nl80211_probe_req_report(bss, 0);
4721
4722 if (!drv->device_ap_sme && !drv->use_monitor)
4723 if (nl80211_mgmt_subscribe_ap(bss))
4724 return -1;
4725
a6cc0602
JM		 4726 if (drv->device_ap_sme && !drv->use_monitor)
4727 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
f4830bed
RM		 4728 wpa_printf(MSG_DEBUG,
4729 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
a6cc0602 4730
a11241fa 4731 if (!drv->device_ap_sme && drv->use_monitor &&
ea19b39f
RM		 4732 nl80211_create_monitor_interface(drv) &&
4733 !drv->device_ap_sme)
3fd1cefb
JB		 4734 return -1;
4735
4736 if (drv->device_ap_sme &&
4737 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
4738 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
4739 "Probe Request frame reporting in AP mode");
4740 /* Try to survive without this */
4741 }
4742
4743 return 0;
4744}
4745
4746
4747static void nl80211_teardown_ap(struct i802_bss *bss)
4748{
4749 struct wpa_driver_nl80211_data *drv = bss->drv;
4750
748c0ac0
JM		 4751 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
4752 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 4753 if (drv->device_ap_sme) {
3fd1cefb 4754 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 4755 if (!drv->use_monitor)
4756 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
4757 } else if (drv->use_monitor)
3fd1cefb 4758 nl80211_remove_monitor_interface(drv);
a11241fa 4759 else
36488c05 4760 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 4761
a70cd0db 4762 nl80211_put_wiphy_data_ap(bss);
3fd1cefb
JB		 4763 bss->beacon_set = 0;
4764}
4765
4766
f10bfc9a
JM		 4767static int nl80211_send_eapol_data(struct i802_bss *bss,
4768 const u8 *addr, const u8 *data,
d12dab4c 4769 size_t data_len)
f10bfc9a 4770{
d12dab4c
JB		 4771 struct sockaddr_ll ll;
4772 int ret;
4773
4774 if (bss->drv->eapol_tx_sock < 0) {
4775 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 4776 return -1;
4777 }
4778
d12dab4c
JB		 4779 os_memset(&ll, 0, sizeof(ll));
4780 ll.sll_family = AF_PACKET;
4781 ll.sll_ifindex = bss->ifindex;
4782 ll.sll_protocol = htons(ETH_P_PAE);
4783 ll.sll_halen = ETH_ALEN;
4784 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
4785 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
4786 (struct sockaddr *) &ll, sizeof(ll));
4787 if (ret < 0)
4788 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
4789 strerror(errno));
4790
4791 return ret;
f10bfc9a 4792}
5fb1a232 4793
f10bfc9a 4794
db149ac9
JM		 4795static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4796
4797static int wpa_driver_nl80211_hapd_send_eapol(
4798 void *priv, const u8 *addr, const u8 *data,
4378fc14 4799 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 4800{
a2e40bb6
FF		 4801 struct i802_bss *bss = priv;
4802 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 4803 struct ieee80211_hdr *hdr;
4804 size_t len;
4805 u8 *pos;
4806 int res;
4378fc14 4807 int qos = flags & WPA_STA_WMM;
db149ac9 4808
a11241fa 4809 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 4810 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 4811
db149ac9
JM		 4812 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4813 data_len;
4814 hdr = os_zalloc(len);
4815 if (hdr == NULL) {
7ac3616d
JM		 4816 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4817 (unsigned long) len);
db149ac9
JM		 4818 return -1;
4819 }
4820
4821 hdr->frame_control =
4822 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4823 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4824 if (encrypt)
4825 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 4826 if (qos) {
4827 hdr->frame_control |=
4828 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4829 }
db149ac9
JM		 4830
4831 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4832 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4833 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4834 pos = (u8 *) (hdr + 1);
4835
db149ac9 4836 if (qos) {
92d521d8
FF		 4837 /* Set highest priority in QoS header */
4838 pos[0] = 7;
db149ac9
JM		 4839 pos[1] = 0;
4840 pos += 2;
4841 }
db149ac9
JM		 4842
4843 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4844 pos += sizeof(rfc1042_header);
4845 WPA_PUT_BE16(pos, ETH_P_PAE);
4846 pos += 2;
4847 memcpy(pos, data, data_len);
4848
55231068 4849 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
2d3943ce 4850 0, 0, 0, 0, NULL, 0);
db149ac9
JM		 4851 if (res < 0) {
4852 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4853 "failed: %d (%s)",
4854 (unsigned long) len, errno, strerror(errno));
4855 }
7bf12757 4856 os_free(hdr);
db149ac9
JM		 4857
4858 return res;
4859}
4860
a8d6ffa4 4861
3234cba4 4862static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
f97e3ce4
JM		 4863 unsigned int total_flags,
4864 unsigned int flags_or,
4865 unsigned int flags_and)
a8d6ffa4 4866{
a2e40bb6 4867 struct i802_bss *bss = priv;
8970bae8
JB		 4868 struct nl_msg *msg;
4869 struct nlattr *flags;
7e76ee9c 4870 struct nl80211_sta_flag_update upd;
a8d6ffa4 4871
0cd9846c
JM		 4872 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4873 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4874 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4875 !!(total_flags & WPA_STA_AUTHORIZED));
4876
13f83980 4877 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 4878 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4879 goto fail;
a8d6ffa4 4880
7e76ee9c
JM		 4881 /*
4882 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4883 * can be removed eventually.
4884 */
8970bae8 4885 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM		 4886 if (!flags ||
4887 ((total_flags & WPA_STA_AUTHORIZED) &&
4888 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4889 ((total_flags & WPA_STA_WMM) &&
4890 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4891 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4892 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4893 ((total_flags & WPA_STA_MFP) &&
4894 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4895 ((total_flags & WPA_STA_TDLS_PEER) &&
4896 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4897 goto fail;
45b722f1 4898
8970bae8 4899 nla_nest_end(msg, flags);
a8d6ffa4 4900
7e76ee9c
JM		 4901 os_memset(&upd, 0, sizeof(upd));
4902 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4903 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM		 4904 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4905 goto fail;
7e76ee9c 4906
13f83980 4907 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 4908fail:
5883168a 4909 nlmsg_free(msg);
a8d6ffa4
JM		 4910 return -ENOBUFS;
4911}
4912
0915d02c 4913
1581b38b
JM		 4914static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4915 struct wpa_driver_associate_params *params)
4916{
708bc8e0 4917 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 4918
4919 if (params->p2p) {
046b26a2
JM		 4920 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4921 "group (GO)");
b1f625e0
EP		 4922 nlmode = NL80211_IFTYPE_P2P_GO;
4923 } else
4924 nlmode = NL80211_IFTYPE_AP;
4925
708bc8e0 4926 old_mode = drv->nlmode;
834ee56f 4927 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 4928 nl80211_remove_monitor_interface(drv);
4929 return -1;
4930 }
4931
6e9023ea
JM		 4932 if (params->freq.freq &&
4933 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 4934 if (old_mode != nlmode)
834ee56f 4935 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 4936 nl80211_remove_monitor_interface(drv);
1581b38b 4937 return -1;
0915d02c 4938 }
1581b38b 4939
1581b38b
JM		 4940 return 0;
4941}
1581b38b
JM		 4942
4943
666e508c
JM		 4944static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4945 int reset_mode)
5cc4d64b
JM		 4946{
4947 struct nl_msg *msg;
9725b784 4948 int ret;
a862e4a3 4949
9725b784 4950 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 4951 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM		 4952 if (ret) {
4953 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4954 "(%s)", ret, strerror(-ret));
9725b784
JM		 4955 } else {
4956 wpa_printf(MSG_DEBUG,
4957 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM		 4958 }
4959
666e508c
JM		 4960 if (reset_mode &&
4961 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 4962 NL80211_IFTYPE_STATION)) {
4963 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4964 "station mode");
4965 }
4966
5cc4d64b
JM		 4967 return ret;
4968}
4969
4970
95ff3069
JD		 4971static int nl80211_ht_vht_overrides(struct nl_msg *msg,
4972 struct wpa_driver_associate_params *params)
4973{
4974 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4975 return -1;
4976
4977 if (params->htcaps && params->htcaps_mask) {
4978 int sz = sizeof(struct ieee80211_ht_capabilities);
4979 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
4980 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4981 params->htcaps_mask, sz);
4982 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4983 params->htcaps) ||
4984 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4985 params->htcaps_mask))
4986 return -1;
4987 }
4988
4989#ifdef CONFIG_VHT_OVERRIDES
4990 if (params->disable_vht) {
4991 wpa_printf(MSG_DEBUG, " * VHT disabled");
4992 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4993 return -1;
4994 }
4995
4996 if (params->vhtcaps && params->vhtcaps_mask) {
4997 int sz = sizeof(struct ieee80211_vht_capabilities);
4998 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
4999 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
5000 params->vhtcaps_mask, sz);
5001 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
5002 params->vhtcaps) ||
5003 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
5004 params->vhtcaps_mask))
5005 return -1;
5006 }
5007#endif /* CONFIG_VHT_OVERRIDES */
5008
5009 return 0;
5010}
5011
5012
5cc4d64b
JM		 5013static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
5014 struct wpa_driver_associate_params *params)
5015{
5016 struct nl_msg *msg;
5017 int ret = -1;
5018 int count = 0;
5019
5020 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
5021
4ec68377 5022 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 5023 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5024 "IBSS mode");
5025 return -1;
5026 }
5027
5028retry:
9725b784 5029 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM		 5030 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
5031 goto fail;
5cc4d64b
JM		 5032
5033 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
5034 params->ssid, params->ssid_len);
a862e4a3
JM		 5035 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5036 goto fail;
5cc4d64b
JM		 5037 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5038 drv->ssid_len = params->ssid_len;
5039
85e1fad8
JM		 5040 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
5041 nl80211_put_beacon_int(msg, params->beacon_int))
a862e4a3 5042 goto fail;
5cc4d64b
JM		 5043
5044 ret = nl80211_set_conn_keys(params, msg);
5045 if (ret)
a862e4a3 5046 goto fail;
5cc4d64b 5047
913e3cf7
NC		 5048 if (params->bssid && params->fixed_bssid) {
5049 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
5050 MAC2STR(params->bssid));
a862e4a3
JM		 5051 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5052 goto fail;
913e3cf7
NC		 5053 }
5054
4d9e6fba
JD		 5055 if (params->fixed_freq) {
5056 wpa_printf(MSG_DEBUG, " * fixed_freq");
5057 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
5058 goto fail;
5059 }
5060
4848a38d
JM		 5061 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5062 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5063 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5064 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 5065 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM		 5066 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5067 goto fail;
e640888c
AQ		 5068 }
5069
a95795ad
JM		 5070 if (params->wpa_ie) {
5071 wpa_hexdump(MSG_DEBUG,
5072 " * Extra IEs for Beacon/Probe Response frames",
5073 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5074 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
5075 params->wpa_ie))
5076 goto fail;
a95795ad
JM		 5077 }
5078
e15dcf6d
PK		 5079 ret = nl80211_ht_vht_overrides(msg, params);
5080 if (ret < 0)
5081 goto fail;
95ff3069 5082
5cc4d64b
JM		 5083 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5084 msg = NULL;
5085 if (ret) {
5086 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
5087 ret, strerror(-ret));
5088 count++;
5089 if (ret == -EALREADY && count == 1) {
5090 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
5091 "forced leave");
666e508c 5092 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM		 5093 nlmsg_free(msg);
5094 goto retry;
5095 }
a862e4a3
JM		 5096 } else {
5097 wpa_printf(MSG_DEBUG,
5098 "nl80211: Join IBSS request sent successfully");
5cc4d64b 5099 }
5cc4d64b 5100
a862e4a3 5101fail:
5cc4d64b
JM		 5102 nlmsg_free(msg);
5103 return ret;
5104}
5105
5106
ad295f3b
VK		 5107static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
5108 struct wpa_driver_associate_params *params,
5109 struct nl_msg *msg)
5110{
5111 if (params->fils_erp_username_len) {
5112 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username",
5113 params->fils_erp_username,
5114 params->fils_erp_username_len);
5115 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
5116 params->fils_erp_username_len,
5117 params->fils_erp_username))
5118 return -1;
5119 }
5120
5121 if (params->fils_erp_realm_len) {
5122 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm",
5123 params->fils_erp_realm,
5124 params->fils_erp_realm_len);
5125 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
5126 params->fils_erp_realm_len, params->fils_erp_realm))
5127 return -1;
5128 }
5129
5130 wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u",
5131 params->fils_erp_next_seq_num);
5132 if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
5133 params->fils_erp_next_seq_num))
5134 return -1;
5135
5136 if (params->fils_erp_rrk_len) {
5137 wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)",
5138 (unsigned long) params->fils_erp_rrk_len);
5139 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
5140 params->fils_erp_rrk_len, params->fils_erp_rrk))
5141 return -1;
5142 }
5143
5144 return 0;
5145}
5146
5147
a0bdd191
JM		 5148static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
5149 struct wpa_driver_associate_params *params,
5150 struct nl_msg *msg)
cfaab580 5151{
c85dfc6f
JM		 5152 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5153 return -1;
5154
cfaab580
ZY		 5155 if (params->bssid) {
5156 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5157 MAC2STR(params->bssid));
a862e4a3
JM		 5158 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5159 return -1;
cfaab580 5160 }
a0bdd191 5161
7ac7fd43
DS		 5162 if (params->bssid_hint) {
5163 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
5164 MAC2STR(params->bssid_hint));
a862e4a3
JM		 5165 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
5166 params->bssid_hint))
5167 return -1;
7ac7fd43
DS		 5168 }
5169
4ec68377
JD		 5170 if (params->freq.freq) {
5171 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM		 5172 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
5173 params->freq.freq))
5174 return -1;
4ec68377 5175 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 5176 } else
5177 drv->assoc_freq = 0;
a0bdd191 5178
7ac7fd43
DS		 5179 if (params->freq_hint) {
5180 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM		 5181 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
5182 params->freq_hint))
5183 return -1;
7ac7fd43
DS		 5184 }
5185
1f6c0ab8
BS		 5186 if (params->bg_scan_period >= 0) {
5187 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
5188 params->bg_scan_period);
a862e4a3
JM		 5189 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
5190 params->bg_scan_period))
5191 return -1;
1f6c0ab8 5192 }
a0bdd191 5193
cfaab580
ZY		 5194 if (params->ssid) {
5195 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
5196 params->ssid, params->ssid_len);
a862e4a3
JM		 5197 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
5198 params->ssid))
5199 return -1;
cfaab580 5200 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 5201 return -1;
cfaab580
ZY		 5202 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5203 drv->ssid_len = params->ssid_len;
5204 }
a0bdd191 5205
cfaab580 5206 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5207 if (params->wpa_ie &&
5208 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
5209 return -1;
cfaab580 5210
64fa840a
JM		 5211 if (params->wpa_proto) {
5212 enum nl80211_wpa_versions ver = 0;
cfaab580 5213
64fa840a
JM		 5214 if (params->wpa_proto & WPA_PROTO_WPA)
5215 ver |= NL80211_WPA_VERSION_1;
5216 if (params->wpa_proto & WPA_PROTO_RSN)
5217 ver |= NL80211_WPA_VERSION_2;
cfaab580 5218
64fa840a 5219 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM		 5220 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5221 return -1;
cfaab580
ZY		 5222 }
5223
4848a38d 5224 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5225 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
5226 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM		 5227 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5228 cipher))
5229 return -1;
cfaab580
ZY		 5230 }
5231
ae6f9272
JM		 5232 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
5233 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
5234 /*
5235 * This is likely to work even though many drivers do not
5236 * advertise support for operations without GTK.
5237 */
5238 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
5239 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5240 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
5241 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM		 5242 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
5243 return -1;
cfaab580
ZY		 5244 }
5245
4848a38d
JM		 5246 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5247 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5248 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
5249 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 5250 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 5251 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
5252 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8 5253 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5e3b5197 5254 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
ad295f3b
VK		 5255 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
5256 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
5257 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
5258 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
5259 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384) {
3aa24db9 5260 int mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5261
5262 switch (params->key_mgmt_suite) {
4848a38d 5263 case WPA_KEY_MGMT_CCKM:
3aa24db9 5264 mgmt = RSN_AUTH_KEY_MGMT_CCKM;
369c8d7b 5265 break;
4848a38d 5266 case WPA_KEY_MGMT_IEEE8021X:
3aa24db9 5267 mgmt = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
cfaab580 5268 break;
4848a38d 5269 case WPA_KEY_MGMT_FT_IEEE8021X:
3aa24db9 5270 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X;
6a1ce395 5271 break;
4848a38d 5272 case WPA_KEY_MGMT_FT_PSK:
3aa24db9 5273 mgmt = RSN_AUTH_KEY_MGMT_FT_PSK;
6a1ce395 5274 break;
8802326f 5275 case WPA_KEY_MGMT_IEEE8021X_SHA256:
3aa24db9 5276 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
8802326f
JJ		 5277 break;
5278 case WPA_KEY_MGMT_PSK_SHA256:
3aa24db9 5279 mgmt = RSN_AUTH_KEY_MGMT_PSK_SHA256;
8802326f 5280 break;
163f801e 5281 case WPA_KEY_MGMT_OSEN:
3aa24db9 5282 mgmt = RSN_AUTH_KEY_MGMT_OSEN;
163f801e 5283 break;
666497c8 5284 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
3aa24db9 5285 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
666497c8 5286 break;
5e3b5197 5287 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
3aa24db9 5288 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
5e3b5197 5289 break;
ad295f3b
VK		 5290 case WPA_KEY_MGMT_FILS_SHA256:
5291 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA256;
5292 break;
5293 case WPA_KEY_MGMT_FILS_SHA384:
5294 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA384;
5295 break;
5296 case WPA_KEY_MGMT_FT_FILS_SHA256:
5297 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
5298 break;
5299 case WPA_KEY_MGMT_FT_FILS_SHA384:
5300 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
5301 break;
4848a38d 5302 case WPA_KEY_MGMT_PSK:
cfaab580 5303 default:
3aa24db9 5304 mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5305 break;
5306 }
163f801e 5307 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM		 5308 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
5309 return -1;
cfaab580
ZY		 5310 }
5311
a862e4a3
JM		 5312 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5313 return -1;
a0bdd191 5314
e3429c0b
JB		 5315 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5316 (params->pairwise_suite == WPA_CIPHER_NONE ||
5317 params->pairwise_suite == WPA_CIPHER_WEP104 ||
5318 params->pairwise_suite == WPA_CIPHER_WEP40) &&
5319 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
5320 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
5321 return -1;
5322
a862e4a3
JM		 5323 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5324 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5325 return -1;
a565084f 5326
58162adf
AK		 5327 if (params->rrm_used) {
5328 u32 drv_rrm_flags = drv->capa.rrm_flags;
b5d172e5
BL		 5329 if ((!((drv_rrm_flags &
5330 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
5331 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
5332 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
a862e4a3
JM		 5333 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
5334 return -1;
58162adf
AK		 5335 }
5336
95ff3069 5337 if (nl80211_ht_vht_overrides(msg, params) < 0)
a862e4a3 5338 return -1;
80e8a5ee 5339
a0bdd191
JM		 5340 if (params->p2p)
5341 wpa_printf(MSG_DEBUG, " * P2P group");
5342
86b5c400
LD		 5343 if (params->pbss) {
5344 wpa_printf(MSG_DEBUG, " * PBSS");
5345 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5346 return -1;
5347 }
5348
1126c078 5349 drv->connect_reassoc = 0;
00c3c4ac
JM		 5350 if (params->prev_bssid) {
5351 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
5352 MAC2STR(params->prev_bssid));
5353 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
5354 params->prev_bssid))
5355 return -1;
1126c078 5356 drv->connect_reassoc = 1;
00c3c4ac
JM		 5357 }
5358
ad295f3b
VK		 5359 if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
5360 nl80211_put_fils_connect_params(drv, params, msg) != 0)
5361 return -1;
5362
a0bdd191 5363 return 0;
a0bdd191
JM		 5364}
5365
5366
5367static int wpa_driver_nl80211_try_connect(
5368 struct wpa_driver_nl80211_data *drv,
5369 struct wpa_driver_associate_params *params)
5370{
5371 struct nl_msg *msg;
5372 enum nl80211_auth_type type;
5373 int ret;
5374 int algs;
5375
b658547d 5376#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 5377 if (params->req_key_mgmt_offload && params->psk &&
5378 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5379 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5380 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5381 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5382 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5383 if (ret)
5384 return ret;
5385 }
b658547d 5386#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 5387
9725b784
JM		 5388 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5389 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM		 5390 if (!msg)
5391 return -1;
5392
a0bdd191
JM		 5393 ret = nl80211_connect_common(drv, params, msg);
5394 if (ret)
a862e4a3 5395 goto fail;
a0bdd191
JM		 5396
5397 algs = 0;
5398 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5399 algs++;
5400 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5401 algs++;
5402 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5403 algs++;
64a0a75b
JM		 5404 if (params->auth_alg & WPA_AUTH_ALG_FILS)
5405 algs++;
a0bdd191
JM		 5406 if (algs > 1) {
5407 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5408 "selection");
5409 goto skip_auth_type;
5410 }
5411
3c67e977 5412 type = get_nl_auth_type(params->auth_alg);
a0bdd191 5413 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 5414 if (type == NL80211_AUTHTYPE_MAX ||
5415 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 5416 goto fail;
a0bdd191
JM		 5417
5418skip_auth_type:
cfaab580
ZY		 5419 ret = nl80211_set_conn_keys(params, msg);
5420 if (ret)
a862e4a3 5421 goto fail;
cfaab580
ZY		 5422
5423 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5424 msg = NULL;
5425 if (ret) {
5426 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5427 "(%s)", ret, strerror(-ret));
a862e4a3
JM		 5428 } else {
5429 wpa_printf(MSG_DEBUG,
5430 "nl80211: Connect request send successfully");
cfaab580 5431 }
cfaab580 5432
a862e4a3 5433fail:
cfaab580
ZY		 5434 nlmsg_free(msg);
5435 return ret;
5436
5437}
5438
5439
a8c5b43a
CW		 5440static int wpa_driver_nl80211_connect(
5441 struct wpa_driver_nl80211_data *drv,
5442 struct wpa_driver_associate_params *params)
5443{
0d4e3d1d
JJ		 5444 int ret;
5445
5446 /* Store the connection attempted bssid for future use */
5447 if (params->bssid)
5448 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5449 else
5450 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5451
5452 ret = wpa_driver_nl80211_try_connect(drv, params);
a8c5b43a
CW		 5453 if (ret == -EALREADY) {
5454 /*
5455 * cfg80211 does not currently accept new connections if
5456 * we are already connected. As a workaround, force
5457 * disconnection and try again.
5458 */
5459 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5460 "disconnecting before reassociation "
5461 "attempt");
5462 if (wpa_driver_nl80211_disconnect(
5463 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
5464 return -1;
a8c5b43a
CW		 5465 ret = wpa_driver_nl80211_try_connect(drv, params);
5466 }
5467 return ret;
5468}
5469
5470
c2a04078
JM		 5471static int wpa_driver_nl80211_associate(
5472 void *priv, struct wpa_driver_associate_params *params)
5473{
a2e40bb6
FF		 5474 struct i802_bss *bss = priv;
5475 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 5476 int ret = -1;
c2a04078
JM		 5477 struct nl_msg *msg;
5478
4bd71954
JM		 5479 nl80211_unmask_11b_rates(bss);
5480
5cc4d64b 5481 if (params->mode == IEEE80211_MODE_AP)
1581b38b 5482 return wpa_driver_nl80211_ap(drv, params);
1581b38b 5483
5cc4d64b
JM		 5484 if (params->mode == IEEE80211_MODE_IBSS)
5485 return wpa_driver_nl80211_ibss(drv, params);
5486
4a867032 5487 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 5488 enum nl80211_iftype nlmode = params->p2p ?
5489 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5490
5491 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 5492 return -1;
cfaab580 5493 return wpa_driver_nl80211_connect(drv, params);
4a867032 5494 }
cfaab580 5495
add9b7a4 5496 nl80211_mark_disconnected(drv);
c2a04078 5497
c2a04078
JM		 5498 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
5499 drv->ifindex);
9725b784
JM		 5500 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
5501 if (!msg)
5502 return -1;
c2a04078 5503
a0bdd191
JM		 5504 ret = nl80211_connect_common(drv, params, msg);
5505 if (ret)
a862e4a3 5506 goto fail;
01652550 5507
40a45727
JM		 5508 if (params->fils_kek) {
5509 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
5510 (unsigned int) params->fils_kek_len);
5511 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
5512 params->fils_kek))
5513 goto fail;
5514 }
5515 if (params->fils_nonces) {
5516 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
5517 params->fils_nonces,
5518 params->fils_nonces_len);
5519 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
5520 params->fils_nonces_len, params->fils_nonces))
5521 goto fail;
5522 }
5523
c2a04078
JM		 5524 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5525 msg = NULL;
5526 if (ret) {
3b7ea880
BG		 5527 wpa_dbg(drv->ctx, MSG_DEBUG,
5528 "nl80211: MLME command failed (assoc): ret=%d (%s)",
5529 ret, strerror(-ret));
8856462d 5530 nl80211_dump_scan(drv);
a862e4a3
JM		 5531 } else {
5532 wpa_printf(MSG_DEBUG,
5533 "nl80211: Association request send successfully");
c2a04078 5534 }
c2a04078 5535
a862e4a3 5536fail:
c2a04078
JM		 5537 nlmsg_free(msg);
5538 return ret;
5539}
3f5285e8
JM		 5540
5541
ad1e68e6 5542static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 5543 int ifindex, enum nl80211_iftype mode)
3f5285e8 5544{
3f5285e8 5545 struct nl_msg *msg;
ad1e68e6
JM		 5546 int ret = -ENOBUFS;
5547
a1922f93
JM		 5548 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
5549 ifindex, mode, nl80211_iftype_str(mode));
5550
56f77852
JM		 5551 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
5552 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 5553 goto fail;
ad1e68e6
JM		 5554
5555 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 5556 msg = NULL;
ad1e68e6
JM		 5557 if (!ret)
5558 return 0;
a862e4a3 5559fail:
5883168a 5560 nlmsg_free(msg);
ad1e68e6
JM		 5561 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
5562 " %d (%s)", ifindex, mode, ret, strerror(-ret));
5563 return ret;
5564}
5565
5566
3c5d34e3
CW		 5567static int wpa_driver_nl80211_set_mode_impl(
5568 struct i802_bss *bss,
5569 enum nl80211_iftype nlmode,
5570 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 5571{
a2e40bb6 5572 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 5573 int ret = -1;
26af9dca 5574 int i;
86957e62 5575 int was_ap = is_ap_interface(drv->nlmode);
671a5039 5576 int res;
ebffdbc4 5577 int mode_switch_res;
1581b38b 5578
a5a187b0
JM		 5579 if (TEST_FAIL())
5580 return -1;
5581
ebffdbc4
CW		 5582 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5583 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
5584 mode_switch_res = 0;
8e12685c 5585
ebffdbc4 5586 if (mode_switch_res == 0) {
ad1e68e6 5587 drv->nlmode = nlmode;
460456f8
JM		 5588 ret = 0;
5589 goto done;
ad1e68e6 5590 }
3f5285e8 5591
ebffdbc4 5592 if (mode_switch_res == -ENODEV)
671a5039
JM		 5593 return -1;
5594
460456f8 5595 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 5596 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
5597 "requested mode - ignore error");
460456f8
JM		 5598 ret = 0;
5599 goto done; /* Already in the requested mode */
5600 }
3f5285e8 5601
3f5285e8
JM		 5602 /* mac80211 doesn't allow mode changes while the device is up, so
5603 * take the device down, try to set the mode again, and bring the
5604 * device back up.
5605 */
26af9dca
JM		 5606 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
5607 "interface down");
5608 for (i = 0; i < 10; i++) {
91724d6f 5609 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 5610 if (res == -EACCES || res == -ENODEV)
5611 break;
ebffdbc4 5612 if (res != 0) {
26af9dca
JM		 5613 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
5614 "interface down");
ebffdbc4
CW		 5615 os_sleep(0, 100000);
5616 continue;
5617 }
3c5d34e3
CW		 5618
5619 /*
5620 * Setting the mode will fail for some drivers if the phy is
5621 * on a frequency that the mode is disallowed in.
5622 */
5623 if (desired_freq_params) {
bdf5ccb2 5624 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW		 5625 if (res) {
5626 wpa_printf(MSG_DEBUG,
5627 "nl80211: Failed to set frequency on interface");
5628 }
5629 }
5630
ebffdbc4
CW		 5631 /* Try to set the mode again while the interface is down */
5632 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5633 if (mode_switch_res == -EBUSY) {
5634 wpa_printf(MSG_DEBUG,
5635 "nl80211: Delaying mode set while interface going down");
5636 os_sleep(0, 100000);
5637 continue;
5638 }
5639 ret = mode_switch_res;
5640 break;
3f5285e8
JM		 5641 }
5642
c6e8e8e4
JM		 5643 if (!ret) {
5644 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
5645 "interface is down");
ad1e68e6 5646 drv->nlmode = nlmode;
7d9c3698 5647 drv->ignore_if_down_event = 1;
c6e8e8e4 5648 }
ad1e68e6 5649
ebffdbc4
CW		 5650 /* Bring the interface back up */
5651 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
5652 if (res != 0) {
5653 wpa_printf(MSG_DEBUG,
5654 "nl80211: Failed to set interface up after switching mode");
5655 ret = -1;
5656 }
5657
460456f8 5658done:
3fd1cefb
JB		 5659 if (ret) {
5660 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
5661 "from %d failed", nlmode, drv->nlmode);
5662 return ret;
5663 }
5664
3e208481
JM		 5665 if (is_p2p_net_interface(nlmode)) {
5666 wpa_printf(MSG_DEBUG,
5667 "nl80211: Interface %s mode change to P2P - disable 11b rates",
5668 bss->ifname);
edb9bfba 5669 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM		 5670 } else if (drv->disabled_11b_rates) {
5671 wpa_printf(MSG_DEBUG,
5672 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
5673 bss->ifname);
1d0c6fb1 5674 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 5675 }
edb9bfba 5676
3fd1cefb 5677 if (is_ap_interface(nlmode)) {
36488c05 5678 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 5679 /* Setup additional AP mode functionality if needed */
3fd1cefb 5680 if (nl80211_setup_ap(bss))
460456f8 5681 return -1;
3fd1cefb 5682 } else if (was_ap) {
460456f8 5683 /* Remove additional AP mode functionality */
3fd1cefb 5684 nl80211_teardown_ap(bss);
a11241fa 5685 } else {
36488c05 5686 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 5687 }
460456f8 5688
afb0550a
BC		 5689 if (is_mesh_interface(nlmode) &&
5690 nl80211_mgmt_subscribe_mesh(bss))
5691 return -1;
5692
873d0fcf 5693 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 5694 !is_mesh_interface(nlmode) &&
a11241fa
JB		 5695 nl80211_mgmt_subscribe_non_ap(bss) < 0)
5696 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
5697 "frame processing - ignore for now");
08359050 5698
3fd1cefb 5699 return 0;
3f5285e8
JM		 5700}
5701
5702
f3407c66
JM		 5703int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
5704 enum nl80211_iftype nlmode)
3c5d34e3
CW		 5705{
5706 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
5707}
5708
5709
4ec68377
JD		 5710static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
5711 struct hostapd_freq_params *freq)
3c5d34e3 5712{
3c5d34e3 5713 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 5714 freq);
3c5d34e3 5715}
65d645ce
AS		 5716
5717
3f5285e8
JM		 5718static int wpa_driver_nl80211_get_capa(void *priv,
5719 struct wpa_driver_capa *capa)
5720{
a2e40bb6
FF		 5721 struct i802_bss *bss = priv;
5722 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 5723
3f5285e8
JM		 5724 if (!drv->has_capability)
5725 return -1;
5726 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 5727 if (drv->extended_capa && drv->extended_capa_mask) {
5728 capa->extended_capa = drv->extended_capa;
5729 capa->extended_capa_mask = drv->extended_capa_mask;
5730 capa->extended_capa_len = drv->extended_capa_len;
5731 }
851b0c55 5732
906bc4c7 5733 return 0;
3f5285e8
JM		 5734}
5735
5736
5737static int wpa_driver_nl80211_set_operstate(void *priv, int state)
5738{
a2e40bb6
FF		 5739 struct i802_bss *bss = priv;
5740 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 5741
90a545cc
JM		 5742 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
5743 bss->ifname, drv->operstate, state,
5744 state ? "UP" : "DORMANT");
3f5285e8 5745 drv->operstate = state;
36d84860 5746 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 5747 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 5748}
5749
01652550
JM		 5750
5751static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
5752{
a2e40bb6
FF		 5753 struct i802_bss *bss = priv;
5754 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 5755 struct nl_msg *msg;
5756 struct nl80211_sta_flag_update upd;
a862e4a3 5757 int ret;
2eef5177
JM		 5758
5759 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
5760 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
5761 return 0;
5762 }
01652550 5763
1ba51ec0
JM		 5764 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
5765 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
5766
01652550
JM		 5767 os_memset(&upd, 0, sizeof(upd));
5768 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
5769 if (authorized)
5770 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 5771
13f83980 5772 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5773 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
5774 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
5775 nlmsg_free(msg);
5776 return -ENOBUFS;
5777 }
01652550 5778
2eef5177 5779 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM		 5780 if (!ret)
5781 return 0;
2eef5177
JM		 5782 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
5783 ret, strerror(-ret));
5784 return ret;
01652550
JM		 5785}
5786
3f5285e8 5787
f07ead6a
JM		 5788/* Set kernel driver on given frequency (MHz) */
5789static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 5790{
f07ead6a 5791 struct i802_bss *bss = priv;
13a524a3 5792 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 5793}
5794
f7b3920c 5795
c5121837
JM		 5796static inline int min_int(int a, int b)
5797{
5798 if (a < b)
5799 return a;
5800 return b;
5801}
5802
5803
5804static int get_key_handler(struct nl_msg *msg, void *arg)
5805{
5806 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5807 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5808
5809 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5810 genlmsg_attrlen(gnlh, 0), NULL);
5811
5812 /*
5813 * TODO: validate the key index and mac address!
5814 * Otherwise, there's a race condition as soon as
5815 * the kernel starts sending key notifications.
5816 */
5817
5818 if (tb[NL80211_ATTR_KEY_SEQ])
5819 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
5820 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
5821 return NL_SKIP;
5822}
5823
5824
5825static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
5826 int idx, u8 *seq)
5827{
a2e40bb6
FF		 5828 struct i802_bss *bss = priv;
5829 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5830 struct nl_msg *msg;
5831
95376e1a
JM		 5832 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
5833 NL80211_CMD_GET_KEY);
5834 if (!msg ||
a862e4a3 5835 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 5836 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM		 5837 nlmsg_free(msg);
5838 return -ENOBUFS;
5839 }
c5121837
JM		 5840
5841 memset(seq, 0, 6);
5842
5843 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM		 5844}
5845
5846
c5121837
JM		 5847static int i802_set_rts(void *priv, int rts)
5848{
a2e40bb6
FF		 5849 struct i802_bss *bss = priv;
5850 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 5851 struct nl_msg *msg;
a862e4a3 5852 int ret;
ad649451 5853 u32 val;
c5121837 5854
ad649451
JM		 5855 if (rts >= 2347)
5856 val = (u32) -1;
5857 else
5858 val = rts;
c5121837 5859
9725b784 5860 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 5861 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
5862 nlmsg_free(msg);
5863 return -ENOBUFS;
5864 }
ad649451
JM		 5865
5866 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5867 if (!ret)
5868 return 0;
ad649451
JM		 5869 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
5870 "%d (%s)", rts, ret, strerror(-ret));
5871 return ret;
c5121837
JM		 5872}
5873
5874
5875static int i802_set_frag(void *priv, int frag)
5876{
a2e40bb6
FF		 5877 struct i802_bss *bss = priv;
5878 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 5879 struct nl_msg *msg;
a862e4a3 5880 int ret;
ad649451 5881 u32 val;
c5121837 5882
ad649451
JM		 5883 if (frag >= 2346)
5884 val = (u32) -1;
5885 else
5886 val = frag;
c5121837 5887
9725b784 5888 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 5889 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
5890 nlmsg_free(msg);
5891 return -ENOBUFS;
5892 }
ad649451
JM		 5893
5894 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5895 if (!ret)
5896 return 0;
ad649451
JM		 5897 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
5898 "%d: %d (%s)", frag, ret, strerror(-ret));
5899 return ret;
c5121837
JM		 5900}
5901
5902
c5121837
JM		 5903static int i802_flush(void *priv)
5904{
a2e40bb6 5905 struct i802_bss *bss = priv;
c5121837 5906 struct nl_msg *msg;
82554b10 5907 int res;
c5121837 5908
83e7bb0e
JM		 5909 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5910 bss->ifname);
c5121837
JM		 5911
5912 /*
5913 * XXX: FIX! this needs to flush all VLANs too
5914 */
13f83980
JM		 5915 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5916 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM		 5917 if (res) {
5918 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5919 "(%s)", res, strerror(-res));
5920 }
5921 return res;
c5121837
JM		 5922}
5923
5924
5925static int get_sta_handler(struct nl_msg *msg, void *arg)
5926{
5927 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5928 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5929 struct hostap_sta_driver_data *data = arg;
5930 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5931 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5932 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5933 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5934 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5935 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5936 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 5937 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
43022abd
NL		 5938 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
5939 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
3567641e 5940 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
5941 };
5942 struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
5943 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
5944 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
5945 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
5946 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
5947 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
5948 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
5949 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
c5121837
JM		 5950 };
5951
5952 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5953 genlmsg_attrlen(gnlh, 0), NULL);
5954
5955 /*
5956 * TODO: validate the interface and mac address!
5957 * Otherwise, there's a race condition as soon as
5958 * the kernel starts sending station notifications.
5959 */
5960
5961 if (!tb[NL80211_ATTR_STA_INFO]) {
5962 wpa_printf(MSG_DEBUG, "sta stats missing!");
5963 return NL_SKIP;
5964 }
5965 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5966 tb[NL80211_ATTR_STA_INFO],
5967 stats_policy)) {
5968 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5969 return NL_SKIP;
5970 }
5971
5972 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5973 data->inactive_msec =
5974 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
43022abd 5975 /* For backwards compatibility, fetch the 32-bit counters first. */
c5121837
JM		 5976 if (stats[NL80211_STA_INFO_RX_BYTES])
5977 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5978 if (stats[NL80211_STA_INFO_TX_BYTES])
5979 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
43022abd
NL		 5980 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
5981 stats[NL80211_STA_INFO_TX_BYTES64]) {
5982 /*
5983 * The driver supports 64-bit counters, so use them to override
5984 * the 32-bit values.
5985 */
5986 data->rx_bytes =
5987 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
5988 data->tx_bytes =
5989 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
5990 data->bytes_64bit = 1;
5991 }
c5121837
JM		 5992 if (stats[NL80211_STA_INFO_RX_PACKETS])
5993 data->rx_packets =
5994 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5995 if (stats[NL80211_STA_INFO_TX_PACKETS])
5996 data->tx_packets =
5997 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 5998 if (stats[NL80211_STA_INFO_TX_FAILED])
5999 data->tx_retry_failed =
6000 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
3567641e 6001 if (stats[NL80211_STA_INFO_SIGNAL])
6002 data->signal = nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
6003
6004 if (stats[NL80211_STA_INFO_TX_BITRATE] &&
6005 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6006 stats[NL80211_STA_INFO_TX_BITRATE],
6007 rate_policy) == 0) {
6008 if (rate[NL80211_RATE_INFO_BITRATE32])
6009 data->current_tx_rate =
6010 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6011 else if (rate[NL80211_RATE_INFO_BITRATE])
6012 data->current_tx_rate =
6013 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6014
6015 if (rate[NL80211_RATE_INFO_MCS]) {
6016 data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6017 data->flags |= STA_DRV_DATA_TX_MCS;
6018 }
6019 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6020 data->tx_vhtmcs =
6021 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6022 data->flags |= STA_DRV_DATA_TX_VHT_MCS;
6023 }
6024 if (rate[NL80211_RATE_INFO_SHORT_GI])
6025 data->flags |= STA_DRV_DATA_TX_SHORT_GI;
6026 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6027 data->tx_vht_nss =
6028 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6029 data->flags |= STA_DRV_DATA_TX_VHT_NSS;
6030 }
6031 }
6032
6033 if (stats[NL80211_STA_INFO_RX_BITRATE] &&
6034 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6035 stats[NL80211_STA_INFO_RX_BITRATE],
6036 rate_policy) == 0) {
6037 if (rate[NL80211_RATE_INFO_BITRATE32])
6038 data->current_rx_rate =
6039 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6040 else if (rate[NL80211_RATE_INFO_BITRATE])
6041 data->current_rx_rate =
6042 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6043
6044 if (rate[NL80211_RATE_INFO_MCS]) {
6045 data->rx_mcs =
6046 nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6047 data->flags |= STA_DRV_DATA_RX_MCS;
6048 }
6049 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6050 data->rx_vhtmcs =
6051 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6052 data->flags |= STA_DRV_DATA_RX_VHT_MCS;
6053 }
6054 if (rate[NL80211_RATE_INFO_SHORT_GI])
6055 data->flags |= STA_DRV_DATA_RX_SHORT_GI;
6056 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6057 data->rx_vht_nss =
6058 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6059 data->flags |= STA_DRV_DATA_RX_VHT_NSS;
6060 }
6061 }
c5121837
JM		 6062
6063 return NL_SKIP;
6064}
6065
9ebce9c5
JM		 6066static int i802_read_sta_data(struct i802_bss *bss,
6067 struct hostap_sta_driver_data *data,
c5121837
JM		 6068 const u8 *addr)
6069{
c5121837
JM		 6070 struct nl_msg *msg;
6071
13f83980
JM		 6072 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
6073 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM		 6074 nlmsg_free(msg);
6075 return -ENOBUFS;
6076 }
c5121837 6077
13f83980 6078 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM		 6079}
6080
6081
c5121837
JM		 6082static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
6083 int cw_min, int cw_max, int burst_time)
6084{
a2e40bb6
FF		 6085 struct i802_bss *bss = priv;
6086 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6087 struct nl_msg *msg;
6088 struct nlattr *txq, *params;
6089
13f83980 6090 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM		 6091 if (!msg)
6092 return -1;
6093
c5121837
JM		 6094 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
6095 if (!txq)
a862e4a3 6096 goto fail;
c5121837
JM		 6097
6098 /* We are only sending parameters for a single TXQ at a time */
6099 params = nla_nest_start(msg, 1);
6100 if (!params)
a862e4a3 6101 goto fail;
c5121837 6102
7e3c1781
JM		 6103 switch (queue) {
6104 case 0:
a862e4a3
JM		 6105 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
6106 goto fail;
7e3c1781
JM		 6107 break;
6108 case 1:
a862e4a3
JM		 6109 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
6110 goto fail;
7e3c1781
JM		 6111 break;
6112 case 2:
a862e4a3
JM		 6113 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
6114 goto fail;
7e3c1781
JM		 6115 break;
6116 case 3:
a862e4a3
JM		 6117 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
6118 goto fail;
7e3c1781
JM		 6119 break;
6120 }
c5121837
JM		 6121 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
6122 * 32 usec, so need to convert the value here. */
a862e4a3
JM		 6123 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
6124 (burst_time * 100 + 16) / 32) ||
6125 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
6126 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
6127 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
6128 goto fail;
c5121837
JM		 6129
6130 nla_nest_end(msg, params);
6131
6132 nla_nest_end(msg, txq);
6133
6134 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
6135 return 0;
9e088e74 6136 msg = NULL;
a862e4a3 6137fail:
9e088e74 6138 nlmsg_free(msg);
c5121837
JM		 6139 return -1;
6140}
6141
6142
9ebce9c5 6143static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 6144 const char *ifname, int vlan_id)
6145{
a2e40bb6 6146 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6147 struct nl_msg *msg;
a862e4a3 6148 int ret;
c5121837 6149
bbc706a3
JM		 6150 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
6151 ", ifname=%s[%d], vlan_id=%d)",
6152 bss->ifname, if_nametoindex(bss->ifname),
6153 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 6154 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 6155 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6156 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
6157 nlmsg_free(msg);
6158 return -ENOBUFS;
6159 }
c5121837 6160
cd1d72c1
JM		 6161 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6162 if (ret < 0) {
6163 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
6164 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
6165 MAC2STR(addr), ifname, vlan_id, ret,
6166 strerror(-ret));
6167 }
cd1d72c1 6168 return ret;
c5121837
JM		 6169}
6170
fbbfcbac 6171
c5121837
JM		 6172static int i802_get_inact_sec(void *priv, const u8 *addr)
6173{
6174 struct hostap_sta_driver_data data;
6175 int ret;
6176
7824bf77 6177 os_memset(&data, 0, sizeof(data));
c5121837
JM		 6178 data.inactive_msec = (unsigned long) -1;
6179 ret = i802_read_sta_data(priv, &data, addr);
b9749bac
MH		 6180 if (ret == -ENOENT)
6181 return -ENOENT;
c5121837
JM		 6182 if (ret || data.inactive_msec == (unsigned long) -1)
6183 return -1;
6184 return data.inactive_msec / 1000;
6185}
6186
6187
6188static int i802_sta_clear_stats(void *priv, const u8 *addr)
6189{
6190#if 0
6191 /* TODO */
6192#endif
6193 return 0;
6194}
6195
6196
731723a5
JM		 6197static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
6198 int reason)
c5121837 6199{
a2e40bb6 6200 struct i802_bss *bss = priv;
e1bd4e19 6201 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6202 struct ieee80211_mgmt mgmt;
05e5e615
DL		 6203 u8 channel;
6204
6205 if (ieee80211_freq_to_chan(bss->freq, &channel) ==
6206 HOSTAPD_MODE_IEEE80211AD) {
6207 /* Deauthentication is not used in DMG/IEEE 802.11ad;
6208 * disassociate the STA instead. */
6209 return i802_sta_disassoc(priv, own_addr, addr, reason);
6210 }
c5121837 6211
0d391b03
BC		 6212 if (is_mesh_interface(drv->nlmode))
6213 return -1;
6214
e1bd4e19 6215 if (drv->device_ap_sme)
59d7148a 6216 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 6217
c5121837
JM		 6218 memset(&mgmt, 0, sizeof(mgmt));
6219 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6220 WLAN_FC_STYPE_DEAUTH);
6221 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6222 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6223 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6224 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 6225 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6226 IEEE80211_HDRLEN +
9ebce9c5 6227 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
2d3943ce 6228 0, NULL, 0);
c5121837
JM		 6229}
6230
6231
731723a5
JM		 6232static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
6233 int reason)
c5121837 6234{
a2e40bb6 6235 struct i802_bss *bss = priv;
e1bd4e19 6236 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6237 struct ieee80211_mgmt mgmt;
6238
0d391b03
BC		 6239 if (is_mesh_interface(drv->nlmode))
6240 return -1;
6241
e1bd4e19 6242 if (drv->device_ap_sme)
59d7148a 6243 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 6244
c5121837
JM		 6245 memset(&mgmt, 0, sizeof(mgmt));
6246 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6247 WLAN_FC_STYPE_DISASSOC);
6248 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6249 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6250 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6251 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 6252 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6253 IEEE80211_HDRLEN +
9ebce9c5 6254 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
2d3943ce 6255 0, NULL, 0);
c5121837
JM		 6256}
6257
6258
9b4d9c8b
JM		 6259static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
6260{
6261 char buf[200], *pos, *end;
6262 int i, res;
6263
6264 pos = buf;
6265 end = pos + sizeof(buf);
6266
6267 for (i = 0; i < drv->num_if_indices; i++) {
6268 if (!drv->if_indices[i])
6269 continue;
732b1d20
MB		 6270 res = os_snprintf(pos, end - pos, " %d(%d)",
6271 drv->if_indices[i],
6272 drv->if_indices_reason[i]);
d85e1fc8 6273 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM		 6274 break;
6275 pos += res;
6276 }
6277 *pos = '\0';
6278
6279 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
6280 drv->num_if_indices, buf);
6281}
6282
6283
732b1d20
MB		 6284static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6285 int ifidx_reason)
f07ead6a
JM		 6286{
6287 int i;
732b1d20 6288 int *old, *old_reason;
f07ead6a 6289
732b1d20
MB		 6290 wpa_printf(MSG_DEBUG,
6291 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
6292 ifidx, ifidx_reason);
6293 if (have_ifidx(drv, ifidx, ifidx_reason)) {
b36935be
MB		 6294 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
6295 ifidx);
6296 return;
6297 }
f07ead6a
JM		 6298 for (i = 0; i < drv->num_if_indices; i++) {
6299 if (drv->if_indices[i] == 0) {
6300 drv->if_indices[i] = ifidx;
732b1d20 6301 drv->if_indices_reason[i] = ifidx_reason;
9b4d9c8b 6302 dump_ifidx(drv);
f07ead6a
JM		 6303 return;
6304 }
6305 }
6306
6307 if (drv->if_indices != drv->default_if_indices)
6308 old = drv->if_indices;
6309 else
6310 old = NULL;
6311
732b1d20
MB		 6312 if (drv->if_indices_reason != drv->default_if_indices_reason)
6313 old_reason = drv->if_indices_reason;
6314 else
6315 old_reason = NULL;
6316
067ffa26
JM		 6317 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
6318 sizeof(int));
732b1d20
MB		 6319 drv->if_indices_reason = os_realloc_array(old_reason,
6320 drv->num_if_indices + 1,
6321 sizeof(int));
f07ead6a
JM		 6322 if (!drv->if_indices) {
6323 if (!old)
6324 drv->if_indices = drv->default_if_indices;
6325 else
6326 drv->if_indices = old;
732b1d20
MB		 6327 }
6328 if (!drv->if_indices_reason) {
6329 if (!old_reason)
6330 drv->if_indices_reason = drv->default_if_indices_reason;
6331 else
29eddc3d 6332 drv->if_indices_reason = old_reason;
732b1d20
MB		 6333 }
6334 if (!drv->if_indices || !drv->if_indices_reason) {
f07ead6a
JM		 6335 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
6336 "interfaces");
6337 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
6338 return;
732b1d20
MB		 6339 }
6340 if (!old)
f07ead6a
JM		 6341 os_memcpy(drv->if_indices, drv->default_if_indices,
6342 sizeof(drv->default_if_indices));
732b1d20
MB		 6343 if (!old_reason)
6344 os_memcpy(drv->if_indices_reason,
6345 drv->default_if_indices_reason,
6346 sizeof(drv->default_if_indices_reason));
f07ead6a 6347 drv->if_indices[drv->num_if_indices] = ifidx;
732b1d20 6348 drv->if_indices_reason[drv->num_if_indices] = ifidx_reason;
f07ead6a 6349 drv->num_if_indices++;
9b4d9c8b 6350 dump_ifidx(drv);
f07ead6a
JM		 6351}
6352
6353
732b1d20
MB		 6354static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6355 int ifidx_reason)
f07ead6a
JM		 6356{
6357 int i;
6358
6359 for (i = 0; i < drv->num_if_indices; i++) {
732b1d20
MB		 6360 if ((drv->if_indices[i] == ifidx || ifidx == IFIDX_ANY) &&
6361 (drv->if_indices_reason[i] == ifidx_reason ||
6362 ifidx_reason == IFIDX_ANY)) {
f07ead6a
JM		 6363 drv->if_indices[i] = 0;
6364 break;
6365 }
6366 }
9b4d9c8b 6367 dump_ifidx(drv);
f07ead6a
JM		 6368}
6369
6370
732b1d20
MB		 6371static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6372 int ifidx_reason)
f07ead6a
JM		 6373{
6374 int i;
6375
6376 for (i = 0; i < drv->num_if_indices; i++)
732b1d20
MB		 6377 if (drv->if_indices[i] == ifidx &&
6378 (drv->if_indices_reason[i] == ifidx_reason ||
6379 ifidx_reason == IFIDX_ANY))
f07ead6a
JM		 6380 return 1;
6381
6382 return 0;
6383}
6384
6385
6386static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 6387 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 6388{
6389 struct i802_bss *bss = priv;
6390 struct wpa_driver_nl80211_data *drv = bss->drv;
6391 char name[IFNAMSIZ + 1];
6392
6393 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 6394 if (ifname_wds)
6395 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
6396
f07ead6a
JM		 6397 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
6398 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
6399 if (val) {
6400 if (!if_nametoindex(name)) {
6401 if (nl80211_create_iface(drv, name,
6402 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 6403 bss->addr, 1, NULL, NULL, 0) <
6404 0)
f07ead6a
JM		 6405 return -1;
6406 if (bridge_ifname &&
c81eff1a
BG		 6407 linux_br_add_if(drv->global->ioctl_sock,
6408 bridge_ifname, name) < 0)
f07ead6a
JM		 6409 return -1;
6410 }
75227f3a
JM		 6411 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
6412 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
6413 "interface %s up", name);
6414 }
f07ead6a
JM		 6415 return i802_set_sta_vlan(priv, addr, name, 0);
6416 } else {
c34e618d
FF		 6417 if (bridge_ifname)
6418 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
6419 name);
6420
f07ead6a 6421 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25
FF		 6422 nl80211_remove_iface(drv, if_nametoindex(name));
6423 return 0;
f07ead6a
JM		 6424 }
6425}
6426
6427
6428static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
6429{
6430 struct wpa_driver_nl80211_data *drv = eloop_ctx;
6431 struct sockaddr_ll lladdr;
6432 unsigned char buf[3000];
6433 int len;
6434 socklen_t fromlen = sizeof(lladdr);
6435
6436 len = recvfrom(sock, buf, sizeof(buf), 0,
6437 (struct sockaddr *)&lladdr, &fromlen);
6438 if (len < 0) {
7ac3616d
JM		 6439 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
6440 strerror(errno));
f07ead6a
JM		 6441 return;
6442 }
6443
732b1d20 6444 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
f07ead6a
JM		 6445 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
6446}
6447
6448
94627f6c 6449static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 6450 struct i802_bss *bss,
94627f6c
JM		 6451 const char *brname, const char *ifname)
6452{
6c6678e7 6453 int br_ifindex;
94627f6c
JM		 6454 char in_br[IFNAMSIZ];
6455
e17a2477 6456 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 6457 br_ifindex = if_nametoindex(brname);
6c6678e7 6458 if (br_ifindex == 0) {
94627f6c
JM		 6459 /*
6460 * Bridge was configured, but the bridge device does
6461 * not exist. Try to add it now.
6462 */
c81eff1a 6463 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 6464 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
6465 "bridge interface %s: %s",
6466 brname, strerror(errno));
6467 return -1;
6468 }
e17a2477 6469 bss->added_bridge = 1;
8997613c 6470 br_ifindex = if_nametoindex(brname);
732b1d20 6471 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 6472 }
8997613c 6473 bss->br_ifindex = br_ifindex;
94627f6c
JM		 6474
6475 if (linux_br_get(in_br, ifname) == 0) {
6476 if (os_strcmp(in_br, brname) == 0)
6477 return 0; /* already in the bridge */
6478
6479 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
6480 "bridge %s", ifname, in_br);
c81eff1a
BG		 6481 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
6482 0) {
94627f6c
JM		 6483 wpa_printf(MSG_ERROR, "nl80211: Failed to "
6484 "remove interface %s from bridge "
6485 "%s: %s",
fdbfb63e 6486 ifname, in_br, strerror(errno));
94627f6c
JM		 6487 return -1;
6488 }
6489 }
6490
6491 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
6492 ifname, brname);
c81eff1a 6493 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 6494 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
6495 "into bridge %s: %s",
6496 ifname, brname, strerror(errno));
6497 return -1;
6498 }
e17a2477 6499 bss->added_if_into_bridge = 1;
94627f6c
JM		 6500
6501 return 0;
6502}
6503
6504
92f475b4
JM		 6505static void *i802_init(struct hostapd_data *hapd,
6506 struct wpa_init_params *params)
c5121837
JM		 6507{
6508 struct wpa_driver_nl80211_data *drv;
a2e40bb6 6509 struct i802_bss *bss;
c5121837 6510 size_t i;
cb05808c
AN		 6511 char master_ifname[IFNAMSIZ];
6512 int ifindex, br_ifindex = 0;
94627f6c 6513 int br_added = 0;
c5121837 6514
0d547d5f
JM		 6515 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
6516 params->global_priv, 1,
0ecff8d7 6517 params->bssid, params->driver_params);
a2e40bb6 6518 if (bss == NULL)
c5121837 6519 return NULL;
c5121837 6520
a2e40bb6 6521 drv = bss->drv;
7635bfb0 6522
cb05808c 6523 if (linux_br_get(master_ifname, params->ifname) == 0) {
94627f6c 6524 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
cb05808c
AN		 6525 params->ifname, master_ifname);
6526 br_ifindex = if_nametoindex(master_ifname);
6527 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6528 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
6529 linux_master_get(master_ifname, params->ifname) == 0) {
6530 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
6531 params->ifname, master_ifname);
6532 /* start listening for EAPOL on the master interface */
732b1d20 6533 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
f2d6c17a
DL		 6534
6535 /* check if master itself is under bridge */
6536 if (linux_br_get(master_ifname, master_ifname) == 0) {
6537 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
6538 master_ifname);
6539 br_ifindex = if_nametoindex(master_ifname);
6540 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6541 }
94627f6c 6542 } else {
cb05808c 6543 master_ifname[0] = '\0';
94627f6c 6544 }
cb05808c 6545
6c6678e7 6546 bss->br_ifindex = br_ifindex;
94627f6c 6547
92f475b4 6548 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 6549 if (params->bridge[i]) {
6550 ifindex = if_nametoindex(params->bridge[i]);
6551 if (ifindex)
732b1d20 6552 add_ifidx(drv, ifindex, drv->ifindex);
94627f6c
JM		 6553 if (ifindex == br_ifindex)
6554 br_added = 1;
6555 }
c5121837 6556 }
c5121837 6557
ad1e68e6 6558 /* start listening for EAPOL on the default AP interface */
732b1d20 6559 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
ad1e68e6 6560
5ef8e39f
JM		 6561 if (params->num_bridge && params->bridge[0]) {
6562 if (i802_check_bridge(drv, bss, params->bridge[0],
6563 params->ifname) < 0)
6564 goto failed;
cb05808c 6565 if (os_strcmp(params->bridge[0], master_ifname) != 0)
5ef8e39f
JM		 6566 br_added = 1;
6567 }
6568
6569 if (!br_added && br_ifindex &&
6570 (params->num_bridge == 0 || !params->bridge[0]))
732b1d20 6571 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 6572
97ed9a06
KP		 6573#ifdef CONFIG_LIBNL3_ROUTE
6574 if (bss->added_if_into_bridge) {
6575 drv->rtnl_sk = nl_socket_alloc();
6576 if (drv->rtnl_sk == NULL) {
6577 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
6578 goto failed;
6579 }
6580
6581 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
6582 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
6583 strerror(errno));
6584 goto failed;
6585 }
6586 }
6587#endif /* CONFIG_LIBNL3_ROUTE */
6588
ad1e68e6
JM		 6589 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
6590 if (drv->eapol_sock < 0) {
7ac3616d
JM		 6591 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
6592 strerror(errno));
bbaf0837 6593 goto failed;
ad1e68e6
JM		 6594 }
6595
6596 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
6597 {
7ac3616d 6598 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 6599 goto failed;
ad1e68e6
JM		 6600 }
6601
c81eff1a
BG		 6602 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
6603 params->own_addr))
bbaf0837 6604 goto failed;
fee354c7 6605 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 6606
341eebee
JB		 6607 memcpy(bss->addr, params->own_addr, ETH_ALEN);
6608
a2e40bb6 6609 return bss;
c5121837
JM		 6610
6611failed:
7635bfb0 6612 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 6613 return NULL;
6614}
c5121837 6615
c5121837 6616
bbaf0837
JM		 6617static void i802_deinit(void *priv)
6618{
9ebce9c5
JM		 6619 struct i802_bss *bss = priv;
6620 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 6621}
6622
c5121837 6623
22a7c9d7
JM		 6624static enum nl80211_iftype wpa_driver_nl80211_if_type(
6625 enum wpa_driver_if_type type)
6626{
6627 switch (type) {
6628 case WPA_IF_STATION:
9f51b113 6629 return NL80211_IFTYPE_STATION;
75bde05d
JM		 6630 case WPA_IF_P2P_CLIENT:
6631 case WPA_IF_P2P_GROUP:
9f51b113 6632 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 6633 case WPA_IF_AP_VLAN:
6634 return NL80211_IFTYPE_AP_VLAN;
6635 case WPA_IF_AP_BSS:
6636 return NL80211_IFTYPE_AP;
9f51b113
JB		 6637 case WPA_IF_P2P_GO:
6638 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 6639 case WPA_IF_P2P_DEVICE:
6640 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH		 6641 case WPA_IF_MESH:
6642 return NL80211_IFTYPE_MESH_POINT;
98342208
AK		 6643 default:
6644 return -1;
22a7c9d7 6645 }
22a7c9d7
JM		 6646}
6647
6648
f2ed8023
JM		 6649static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
6650{
6651 struct wpa_driver_nl80211_data *drv;
6652 dl_list_for_each(drv, &global->interfaces,
6653 struct wpa_driver_nl80211_data, list) {
834ee56f 6654 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 6655 return 1;
6656 }
6657 return 0;
6658}
6659
6660
5b78493f 6661static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM		 6662{
6663 unsigned int idx;
6664
6665 if (!drv->global)
6666 return -1;
6667
834ee56f 6668 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 6669 for (idx = 0; idx < 64; idx++) {
834ee56f 6670 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 6671 new_addr[0] ^= idx << 2;
6672 if (!nl80211_addr_in_use(drv->global, new_addr))
6673 break;
6674 }
6675 if (idx == 64)
6676 return -1;
6677
5b78493f 6678 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM		 6679 MACSTR, MAC2STR(new_addr));
6680
6681 return 0;
6682}
6683
6684
f632e483
AS		 6685struct wdev_info {
6686 u64 wdev_id;
6687 int wdev_id_set;
6688 u8 macaddr[ETH_ALEN];
6689};
6690
6691static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 6692{
6693 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6694 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 6695 struct wdev_info *wi = arg;
e472e1b4
AS		 6696
6697 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6698 genlmsg_attrlen(gnlh, 0), NULL);
6699 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 6700 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
6701 wi->wdev_id_set = 1;
e472e1b4
AS		 6702 }
6703
6704 if (tb[NL80211_ATTR_MAC])
f632e483 6705 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 6706 ETH_ALEN);
6707
6708 return NL_SKIP;
6709}
6710
6711
7ab68865 6712static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 6713 const char *ifname, const u8 *addr,
f3585c8a 6714 void *bss_ctx, void **drv_priv,
e17a2477 6715 char *force_ifname, u8 *if_addr,
d8a3b66d
AS		 6716 const char *bridge, int use_existing,
6717 int setup_ap)
22a7c9d7 6718{
e472e1b4 6719 enum nl80211_iftype nlmode;
a2e40bb6
FF		 6720 struct i802_bss *bss = priv;
6721 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 6722 int ifidx;
2aec4f3c 6723 int added = 1;
22a7c9d7 6724
f3585c8a
JM		 6725 if (addr)
6726 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 6727 nlmode = wpa_driver_nl80211_if_type(type);
6728 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 6729 struct wdev_info p2pdev_info;
6730
6731 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 6732 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 6733 0, nl80211_wdev_handler,
2aec4f3c 6734 &p2pdev_info, use_existing);
f632e483 6735 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 6736 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
6737 ifname);
e472e1b4
AS		 6738 return -1;
6739 }
f632e483
AS		 6740
6741 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
6742 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
6743 if (!is_zero_ether_addr(p2pdev_info.macaddr))
6744 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
6745 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
6746 ifname,
6747 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 6748 } else {
6749 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 6750 0, NULL, NULL, use_existing);
6751 if (use_existing && ifidx == -ENFILE) {
6752 added = 0;
6753 ifidx = if_nametoindex(ifname);
6754 } else if (ifidx < 0) {
e472e1b4
AS		 6755 return -1;
6756 }
22a7c9d7
JM		 6757 }
6758
ab7a1add 6759 if (!addr) {
8ea8a89c 6760 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
ab7a1add
AS		 6761 os_memcpy(if_addr, bss->addr, ETH_ALEN);
6762 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8ea8a89c 6763 ifname, if_addr) < 0) {
2aec4f3c
JM		 6764 if (added)
6765 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 6766 return -1;
6767 }
c55f774d
JM		 6768 }
6769
c55f774d
JM		 6770 if (!addr &&
6771 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8ea8a89c
JM		 6772 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
6773 type == WPA_IF_STATION)) {
6774 /* Enforce unique address */
ab7a1add 6775 u8 new_addr[ETH_ALEN];
c55f774d 6776
ab7a1add 6777 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 6778 new_addr) < 0) {
ea39367c
MK		 6779 if (added)
6780 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 6781 return -1;
6782 }
f608081c 6783 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 6784 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8ea8a89c 6785 "for interface %s type %d", ifname, type);
5b78493f 6786 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK		 6787 if (added)
6788 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 6789 return -1;
6790 }
c81eff1a 6791 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 6792 new_addr) < 0) {
ea39367c
MK		 6793 if (added)
6794 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 6795 return -1;
6796 }
c55f774d 6797 }
f67eeb5c 6798 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 6799 }
f3585c8a 6800
d8a3b66d 6801 if (type == WPA_IF_AP_BSS && setup_ap) {
f5eb9da3
JM		 6802 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
6803 if (new_bss == NULL) {
2aec4f3c
JM		 6804 if (added)
6805 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 6806 return -1;
6807 }
6808
6809 if (bridge &&
6810 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
6811 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
6812 "interface %s to a bridge %s",
6813 ifname, bridge);
2aec4f3c
JM		 6814 if (added)
6815 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 6816 os_free(new_bss);
6817 return -1;
6818 }
6819
c81eff1a
BG		 6820 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
6821 {
ea39367c
MK		 6822 if (added)
6823 nl80211_remove_iface(drv, ifidx);
07179987 6824 os_free(new_bss);
22a7c9d7
JM		 6825 return -1;
6826 }
a2e40bb6 6827 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 6828 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 6829 new_bss->ifindex = ifidx;
6830 new_bss->drv = drv;
834ee56f
KP		 6831 new_bss->next = drv->first_bss->next;
6832 new_bss->freq = drv->first_bss->freq;
a5e1eb20 6833 new_bss->ctx = bss_ctx;
2aec4f3c 6834 new_bss->added_if = added;
834ee56f 6835 drv->first_bss->next = new_bss;
a2e40bb6
FF		 6836 if (drv_priv)
6837 *drv_priv = new_bss;
cc7a48d1 6838 nl80211_init_bss(new_bss);
3dd1d890
YAP		 6839
6840 /* Subscribe management frames for this WPA_IF_AP_BSS */
6841 if (nl80211_setup_ap(new_bss))
6842 return -1;
22a7c9d7 6843 }
22a7c9d7 6844
ff6a158b
JM		 6845 if (drv->global)
6846 drv->global->if_add_ifindex = ifidx;
6847
d1bb7aed
JJ		 6848 /*
6849 * Some virtual interfaces need to process EAPOL packets and events on
6850 * the parent interface. This is used mainly with hostapd.
6851 */
6852 if (ifidx > 0 &&
6853 (drv->hostapd ||
6854 nlmode == NL80211_IFTYPE_AP_VLAN ||
6855 nlmode == NL80211_IFTYPE_WDS ||
6856 nlmode == NL80211_IFTYPE_MONITOR))
732b1d20 6857 add_ifidx(drv, ifidx, IFIDX_ANY);
b36935be 6858
22a7c9d7
JM		 6859 return 0;
6860}
6861
6862
9ebce9c5 6863static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 6864 enum wpa_driver_if_type type,
6865 const char *ifname)
6866{
a2e40bb6 6867 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 6868 int ifindex = if_nametoindex(ifname);
6869
2aec4f3c
JM		 6870 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
6871 __func__, type, ifname, ifindex, bss->added_if);
158b090c 6872 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 6873 nl80211_remove_iface(drv, ifindex);
de884303
JM		 6874 else if (ifindex > 0 && !bss->added_if) {
6875 struct wpa_driver_nl80211_data *drv2;
6876 dl_list_for_each(drv2, &drv->global->interfaces,
732b1d20
MB		 6877 struct wpa_driver_nl80211_data, list) {
6878 del_ifidx(drv2, ifindex, IFIDX_ANY);
6879 del_ifidx(drv2, IFIDX_ANY, ifindex);
6880 }
de884303 6881 }
c34e618d 6882
c34e618d
FF		 6883 if (type != WPA_IF_AP_BSS)
6884 return 0;
6885
e17a2477 6886 if (bss->added_if_into_bridge) {
c81eff1a
BG		 6887 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
6888 bss->ifname) < 0)
e17a2477
JM		 6889 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6890 "interface %s from bridge %s: %s",
6891 bss->ifname, bss->brname, strerror(errno));
6892 }
6893 if (bss->added_bridge) {
c81eff1a 6894 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 6895 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6896 "bridge %s: %s",
6897 bss->brname, strerror(errno));
6898 }
a2e40bb6 6899
834ee56f 6900 if (bss != drv->first_bss) {
8546ea19 6901 struct i802_bss *tbss;
a2e40bb6 6902
2aec4f3c 6903 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 6904 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 6905 if (tbss->next == bss) {
6906 tbss->next = bss->next;
3dd1d890
YAP		 6907 /* Unsubscribe management frames */
6908 nl80211_teardown_ap(bss);
cc7a48d1 6909 nl80211_destroy_bss(bss);
5c9da160
MB		 6910 if (!bss->added_if)
6911 i802_set_iface_flags(bss, 0);
8546ea19
JM		 6912 os_free(bss);
6913 bss = NULL;
6914 break;
6915 }
22a7c9d7 6916 }
8546ea19
JM		 6917 if (bss)
6918 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
6919 "BSS %p in the list", __func__, bss);
390e489c 6920 } else {
2aec4f3c 6921 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 6922 nl80211_teardown_ap(bss);
2aec4f3c 6923 if (!bss->added_if && !drv->first_bss->next)
a70cd0db 6924 wpa_driver_nl80211_del_beacon(bss);
390e489c 6925 nl80211_destroy_bss(bss);
2aec4f3c
JM		 6926 if (!bss->added_if)
6927 i802_set_iface_flags(bss, 0);
390e489c
KP		 6928 if (drv->first_bss->next) {
6929 drv->first_bss = drv->first_bss->next;
6930 drv->ctx = drv->first_bss->ctx;
6931 os_free(bss);
6932 } else {
6933 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
6934 }
22a7c9d7 6935 }
22a7c9d7
JM		 6936
6937 return 0;
6938}
6939
6940
55777702
JM		 6941static int cookie_handler(struct nl_msg *msg, void *arg)
6942{
6943 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6944 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6945 u64 *cookie = arg;
6946 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6947 genlmsg_attrlen(gnlh, 0), NULL);
6948 if (tb[NL80211_ATTR_COOKIE])
6949 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
6950 return NL_SKIP;
6951}
6952
6953
88df0ef7 6954static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 6955 unsigned int freq, unsigned int wait,
6956 const u8 *buf, size_t buf_len,
88df0ef7 6957 u64 *cookie_out, int no_cck, int no_ack,
2d3943ce
AO		 6958 int offchanok, const u16 *csa_offs,
6959 size_t csa_offs_len)
9884f9cc 6960{
88df0ef7 6961 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 6962 struct nl_msg *msg;
6963 u64 cookie;
6964 int ret = -1;
6965
cc2ada86 6966 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 6967 "no_ack=%d offchanok=%d",
6968 freq, wait, no_cck, no_ack, offchanok);
c91f796f 6969 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 6970
56f77852 6971 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM		 6972 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
6973 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
6974 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6975 drv->test_use_roc_tx) &&
6976 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
6977 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
6978 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
2d3943ce
AO		 6979 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
6980 csa_offs_len * sizeof(u16), csa_offs)) ||
a862e4a3
JM		 6981 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
6982 goto fail;
9884f9cc
JB		 6983
6984 cookie = 0;
6985 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6986 msg = NULL;
6987 if (ret) {
6988 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 6989 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
6990 freq, wait);
a862e4a3
JM		 6991 } else {
6992 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
6993 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
6994 (long long unsigned int) cookie);
9884f9cc 6995
a862e4a3
JM		 6996 if (cookie_out)
6997 *cookie_out = no_ack ? (u64) -1 : cookie;
759a8a3a
JM		 6998
6999 if (drv->num_send_action_cookies == MAX_SEND_ACTION_COOKIES) {
7000 wpa_printf(MSG_DEBUG,
7001 "nl80211: Drop oldest pending send action cookie 0x%llx",
7002 (long long unsigned int)
7003 drv->send_action_cookies[0]);
7004 os_memmove(&drv->send_action_cookies[0],
7005 &drv->send_action_cookies[1],
7006 (MAX_SEND_ACTION_COOKIES - 1) *
7007 sizeof(u64));
7008 drv->num_send_action_cookies--;
7009 }
7010 drv->send_action_cookies[drv->num_send_action_cookies] = cookie;
7011 drv->num_send_action_cookies++;
a862e4a3 7012 }
9884f9cc 7013
a862e4a3 7014fail:
9884f9cc
JB		 7015 nlmsg_free(msg);
7016 return ret;
7017}
7018
7019
9ebce9c5
JM		 7020static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
7021 unsigned int freq,
190b9062 7022 unsigned int wait_time,
58f6fbe0
JM		 7023 const u8 *dst, const u8 *src,
7024 const u8 *bssid,
b106173a
JM		 7025 const u8 *data, size_t data_len,
7026 int no_cck)
58f6fbe0 7027{
a2e40bb6 7028 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 7029 int ret = -1;
58f6fbe0
JM		 7030 u8 *buf;
7031 struct ieee80211_hdr *hdr;
58f6fbe0 7032
5dfca53f 7033 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 7034 "freq=%u MHz wait=%d ms no_cck=%d)",
7035 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 7036
7037 buf = os_zalloc(24 + data_len);
7038 if (buf == NULL)
7039 return ret;
7040 os_memcpy(buf + 24, data, data_len);
7041 hdr = (struct ieee80211_hdr *) buf;
7042 hdr->frame_control =
7043 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
7044 os_memcpy(hdr->addr1, dst, ETH_ALEN);
7045 os_memcpy(hdr->addr2, src, ETH_ALEN);
7046 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
7047
8331c9b3
VK		 7048 if (os_memcmp(bss->addr, src, ETH_ALEN) != 0) {
7049 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
7050 MAC2STR(src));
7051 os_memcpy(bss->rand_addr, src, ETH_ALEN);
7052 } else {
7053 os_memset(bss->rand_addr, 0, ETH_ALEN);
7054 }
7055
f78f2785
JM		 7056 if (is_ap_interface(drv->nlmode) &&
7057 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7058 (int) freq == bss->freq || drv->device_ap_sme ||
7059 !drv->use_monitor))
9ebce9c5
JM		 7060 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
7061 0, freq, no_cck, 1,
2d3943ce 7062 wait_time, NULL, 0);
9884f9cc 7063 else
88df0ef7 7064 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 7065 24 + data_len,
b106173a 7066 &drv->send_action_cookie,
2d3943ce 7067 no_cck, 0, 1, NULL, 0);
58f6fbe0 7068
f8bf1421 7069 os_free(buf);
58f6fbe0
JM		 7070 return ret;
7071}
7072
7073
759a8a3a 7074static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
5dfca53f 7075{
5dfca53f
JB		 7076 struct wpa_driver_nl80211_data *drv = bss->drv;
7077 struct nl_msg *msg;
7078 int ret;
7079
316a9e4d 7080 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
759a8a3a 7081 (long long unsigned int) cookie);
56f77852 7082 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
759a8a3a 7083 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
a862e4a3
JM		 7084 nlmsg_free(msg);
7085 return;
7086 }
5dfca53f
JB		 7087
7088 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB		 7089 if (ret)
7090 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
7091 "(%s)", ret, strerror(-ret));
5dfca53f
JB		 7092}
7093
7094
759a8a3a
JM		 7095static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
7096{
7097 struct i802_bss *bss = priv;
7098 struct wpa_driver_nl80211_data *drv = bss->drv;
7099 unsigned int i;
7100 u64 cookie;
7101
7102 /* Cancel the last pending TX cookie */
7103 nl80211_frame_wait_cancel(bss, drv->send_action_cookie);
7104
7105 /*
7106 * Cancel the other pending TX cookies, if any. This is needed since
7107 * the driver may keep a list of all pending offchannel TX operations
7108 * and free up the radio only once they have expired or cancelled.
7109 */
7110 for (i = drv->num_send_action_cookies; i > 0; i--) {
7111 cookie = drv->send_action_cookies[i - 1];
7112 if (cookie != drv->send_action_cookie)
7113 nl80211_frame_wait_cancel(bss, cookie);
7114 }
7115 drv->num_send_action_cookies = 0;
7116}
7117
7118
55777702
JM		 7119static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
7120 unsigned int duration)
7121{
a2e40bb6
FF		 7122 struct i802_bss *bss = priv;
7123 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7124 struct nl_msg *msg;
7125 int ret;
7126 u64 cookie;
7127
56f77852 7128 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM		 7129 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
7130 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
7131 nlmsg_free(msg);
7132 return -1;
7133 }
55777702
JM		 7134
7135 cookie = 0;
7136 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7137 if (ret == 0) {
7138 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
7139 "0x%llx for freq=%u MHz duration=%u",
7140 (long long unsigned int) cookie, freq, duration);
7141 drv->remain_on_chan_cookie = cookie;
531f0331 7142 drv->pending_remain_on_chan = 1;
55777702
JM		 7143 return 0;
7144 }
7145 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 7146 "(freq=%d duration=%u): %d (%s)",
7147 freq, duration, ret, strerror(-ret));
55777702
JM		 7148 return -1;
7149}
7150
7151
7152static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
7153{
a2e40bb6
FF		 7154 struct i802_bss *bss = priv;
7155 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7156 struct nl_msg *msg;
7157 int ret;
7158
7159 if (!drv->pending_remain_on_chan) {
7160 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
7161 "to cancel");
7162 return -1;
7163 }
7164
7165 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
7166 "0x%llx",
7167 (long long unsigned int) drv->remain_on_chan_cookie);
7168
56f77852
JM		 7169 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
7170 if (!msg ||
a862e4a3
JM		 7171 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
7172 nlmsg_free(msg);
7173 return -1;
7174 }
55777702
JM		 7175
7176 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7177 if (ret == 0)
7178 return 0;
7179 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
7180 "%d (%s)", ret, strerror(-ret));
55777702
JM		 7181 return -1;
7182}
7183
7184
9ebce9c5 7185static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 7186{
a2e40bb6 7187 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 7188
5582a5d1 7189 if (!report) {
0d891981 7190 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 7191 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
7192 !bss->static_ap) {
0d891981
JM		 7193 /*
7194 * Do not disable Probe Request reporting that was
7195 * enabled in nl80211_setup_ap().
7196 */
7197 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
7198 "Probe Request reporting nl_preq=%p while "
7199 "in AP mode", bss->nl_preq);
7200 } else if (bss->nl_preq) {
36488c05
JM		 7201 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
7202 "reporting nl_preq=%p", bss->nl_preq);
5f65e9f7 7203 nl80211_destroy_eloop_handle(&bss->nl_preq);
5582a5d1
JB		 7204 }
7205 return 0;
7206 }
7207
481234cf 7208 if (bss->nl_preq) {
5582a5d1 7209 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 7210 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 7211 return 0;
7212 }
7213
481234cf
JM		 7214 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
7215 if (bss->nl_preq == NULL)
5582a5d1 7216 return -1;
36488c05
JM		 7217 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
7218 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 7219
481234cf 7220 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 7221 (WLAN_FC_TYPE_MGMT << 2) |
7222 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 7223 NULL, 0) < 0)
7224 goto out_err;
5582a5d1 7225
5f65e9f7
JB		 7226 nl80211_register_eloop_read(&bss->nl_preq,
7227 wpa_driver_nl80211_event_receive,
7228 bss->nl_cb);
5582a5d1 7229
504e905c 7230 return 0;
5582a5d1 7231
a92dfde8 7232 out_err:
221a59c9 7233 nl_destroy_handles(&bss->nl_preq);
5582a5d1 7234 return -1;
504e905c
JM		 7235}
7236
7237
4e5cb1a3
JM		 7238static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
7239 int ifindex, int disabled)
7240{
7241 struct nl_msg *msg;
7242 struct nlattr *bands, *band;
7243 int ret;
7244
3e208481
JM		 7245 wpa_printf(MSG_DEBUG,
7246 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
7247 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
7248 "no NL80211_TXRATE_LEGACY constraint");
7249
95376e1a
JM		 7250 msg = nl80211_ifindex_msg(drv, ifindex, 0,
7251 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 7252 if (!msg)
7253 return -1;
7254
4e5cb1a3
JM		 7255 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
7256 if (!bands)
a862e4a3 7257 goto fail;
4e5cb1a3
JM		 7258
7259 /*
7260 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
7261 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
7262 * rates. All 5 GHz rates are left enabled.
7263 */
7264 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM		 7265 if (!band ||
7266 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
7267 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
7268 goto fail;
4e5cb1a3
JM		 7269 nla_nest_end(msg, band);
7270
7271 nla_nest_end(msg, bands);
7272
7273 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM		 7274 if (ret) {
7275 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
7276 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 7277 } else
7278 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 7279
7280 return ret;
7281
a862e4a3 7282fail:
4e5cb1a3
JM		 7283 nlmsg_free(msg);
7284 return -1;
7285}
7286
7287
af473088
JM		 7288static int wpa_driver_nl80211_deinit_ap(void *priv)
7289{
a2e40bb6
FF		 7290 struct i802_bss *bss = priv;
7291 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 7292 if (!is_ap_interface(drv->nlmode))
af473088 7293 return -1;
a70cd0db 7294 wpa_driver_nl80211_del_beacon(bss);
9bc5cfa3 7295 bss->beacon_set = 0;
60b13c20
IP		 7296
7297 /*
7298 * If the P2P GO interface was dynamically added, then it is
7299 * possible that the interface change to station is not possible.
7300 */
7301 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
7302 return 0;
7303
b1f625e0 7304 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 7305}
7306
7307
695c7038
SW		 7308static int wpa_driver_nl80211_stop_ap(void *priv)
7309{
7310 struct i802_bss *bss = priv;
7311 struct wpa_driver_nl80211_data *drv = bss->drv;
7312 if (!is_ap_interface(drv->nlmode))
7313 return -1;
a70cd0db 7314 wpa_driver_nl80211_del_beacon(bss);
695c7038
SW		 7315 bss->beacon_set = 0;
7316 return 0;
7317}
7318
7319
3c29244e
EP		 7320static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
7321{
7322 struct i802_bss *bss = priv;
7323 struct wpa_driver_nl80211_data *drv = bss->drv;
7324 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
7325 return -1;
60b13c20
IP		 7326
7327 /*
7328 * If the P2P Client interface was dynamically added, then it is
7329 * possible that the interface change to station is not possible.
7330 */
7331 if (bss->if_dynamic)
7332 return 0;
7333
3c29244e
EP		 7334 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7335}
7336
7337
207ef3fb
JM		 7338static void wpa_driver_nl80211_resume(void *priv)
7339{
a2e40bb6 7340 struct i802_bss *bss = priv;
e8dc205f 7341 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
91724d6f
AS		 7342
7343 if (i802_set_iface_flags(bss, 1))
7344 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
e8dc205f
AO		 7345
7346 if (is_p2p_net_interface(nlmode))
7347 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
207ef3fb
JM		 7348}
7349
7350
b625473c
JM		 7351static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
7352{
7353 struct i802_bss *bss = priv;
7354 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 7355 struct nl_msg *msg;
7356 struct nlattr *cqm;
b625473c
JM		 7357
7358 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
7359 "hysteresis=%d", threshold, hysteresis);
7360
13f83980 7361 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM		 7362 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
7363 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
7364 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
7365 nlmsg_free(msg);
7366 return -1;
7367 }
8970bae8 7368 nla_nest_end(msg, cqm);
21270bb4 7369
a862e4a3 7370 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 7371}
7372
7373
2cc8d8f4
AO		 7374static int get_channel_width(struct nl_msg *msg, void *arg)
7375{
7376 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7377 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7378 struct wpa_signal_info *sig_change = arg;
7379
7380 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7381 genlmsg_attrlen(gnlh, 0), NULL);
7382
7383 sig_change->center_frq1 = -1;
7384 sig_change->center_frq2 = -1;
7385 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
7386
7387 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
7388 sig_change->chanwidth = convert2width(
7389 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
7390 if (tb[NL80211_ATTR_CENTER_FREQ1])
7391 sig_change->center_frq1 =
7392 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
7393 if (tb[NL80211_ATTR_CENTER_FREQ2])
7394 sig_change->center_frq2 =
7395 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
7396 }
7397
7398 return NL_SKIP;
7399}
7400
7401
7402static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
7403 struct wpa_signal_info *sig)
7404{
7405 struct nl_msg *msg;
7406
9725b784 7407 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 7408 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO		 7409}
7410
7411
1c5c7273
PS		 7412static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
7413{
7414 struct i802_bss *bss = priv;
7415 struct wpa_driver_nl80211_data *drv = bss->drv;
7416 int res;
7417
7418 os_memset(si, 0, sizeof(*si));
7419 res = nl80211_get_link_signal(drv, si);
1d6955e6
JM		 7420 if (res) {
7421 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
7422 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
7423 return res;
7424 si->current_signal = 0;
7425 }
1c5c7273 7426
2cc8d8f4
AO		 7427 res = nl80211_get_channel_width(drv, si);
7428 if (res != 0)
7429 return res;
7430
1c5c7273
PS		 7431 return nl80211_get_link_noise(drv, si);
7432}
7433
7434
b91ab76e
JM		 7435static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
7436 int encrypt)
7437{
7438 struct i802_bss *bss = priv;
55231068 7439 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
2d3943ce 7440 0, 0, 0, 0, NULL, 0);
b91ab76e
JM		 7441}
7442
7443
c55f774d
JM		 7444static int nl80211_set_param(void *priv, const char *param)
7445{
ef24ad3e
JM		 7446 struct i802_bss *bss = priv;
7447 struct wpa_driver_nl80211_data *drv = bss->drv;
7448
c55f774d
JM		 7449 if (param == NULL)
7450 return 0;
99a94f55 7451 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
c55f774d
JM		 7452
7453#ifdef CONFIG_P2P
7454 if (os_strstr(param, "use_p2p_group_interface=1")) {
7455 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
7456 "interface");
7457 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
7458 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
7459 }
7460#endif /* CONFIG_P2P */
7461
ef24ad3e 7462 if (os_strstr(param, "use_monitor=1"))
327b01d3 7463 drv->use_monitor = 1;
327b01d3
JM		 7464
7465 if (os_strstr(param, "force_connect_cmd=1")) {
327b01d3 7466 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 7467 drv->force_connect_cmd = 1;
327b01d3
JM		 7468 }
7469
ef24ad3e 7470 if (os_strstr(param, "force_bss_selection=1"))
4d584d8c 7471 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
4d584d8c 7472
64abb725 7473 if (os_strstr(param, "no_offchannel_tx=1")) {
64abb725
JM		 7474 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
7475 drv->test_use_roc_tx = 1;
7476 }
7477
c55f774d
JM		 7478 return 0;
7479}
7480
7481
45e3fc72 7482static void * nl80211_global_init(void *ctx)
f2ed8023
JM		 7483{
7484 struct nl80211_global *global;
36d84860
BG		 7485 struct netlink_config *cfg;
7486
f2ed8023
JM		 7487 global = os_zalloc(sizeof(*global));
7488 if (global == NULL)
7489 return NULL;
45e3fc72 7490 global->ctx = ctx;
c81eff1a 7491 global->ioctl_sock = -1;
f2ed8023 7492 dl_list_init(&global->interfaces);
ff6a158b 7493 global->if_add_ifindex = -1;
36d84860
BG		 7494
7495 cfg = os_zalloc(sizeof(*cfg));
7496 if (cfg == NULL)
7497 goto err;
7498
7499 cfg->ctx = global;
7500 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
7501 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
7502 global->netlink = netlink_init(cfg);
7503 if (global->netlink == NULL) {
7504 os_free(cfg);
7505 goto err;
7506 }
7507
2a7b66f5
BG		 7508 if (wpa_driver_nl80211_init_nl_global(global) < 0)
7509 goto err;
7510
c81eff1a
BG		 7511 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
7512 if (global->ioctl_sock < 0) {
7ac3616d
JM		 7513 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
7514 strerror(errno));
c81eff1a
BG		 7515 goto err;
7516 }
7517
f2ed8023 7518 return global;
36d84860
BG		 7519
7520err:
7521 nl80211_global_deinit(global);
7522 return NULL;
f2ed8023
JM		 7523}
7524
7525
7526static void nl80211_global_deinit(void *priv)
7527{
7528 struct nl80211_global *global = priv;
7529 if (global == NULL)
7530 return;
7531 if (!dl_list_empty(&global->interfaces)) {
7532 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
7533 "nl80211_global_deinit",
7534 dl_list_len(&global->interfaces));
7535 }
36d84860
BG		 7536
7537 if (global->netlink)
7538 netlink_deinit(global->netlink);
7539
276e2d67
BG		 7540 nl_destroy_handles(&global->nl);
7541
5f65e9f7
JB		 7542 if (global->nl_event)
7543 nl80211_destroy_eloop_handle(&global->nl_event);
d6c9aab8
JB		 7544
7545 nl_cb_put(global->nl_cb);
2a7b66f5 7546
c81eff1a
BG		 7547 if (global->ioctl_sock >= 0)
7548 close(global->ioctl_sock);
7549
f2ed8023
JM		 7550 os_free(global);
7551}
7552
7553
6859f1cb
BG		 7554static const char * nl80211_get_radio_name(void *priv)
7555{
7556 struct i802_bss *bss = priv;
7557 struct wpa_driver_nl80211_data *drv = bss->drv;
7558 return drv->phyname;
7559}
7560
7561
061a3d3d
VK		 7562static int nl80211_pmkid(struct i802_bss *bss, int cmd,
7563 struct wpa_pmkid_params *params)
a6efc65d
JM		 7564{
7565 struct nl_msg *msg;
7566
13f83980 7567 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
061a3d3d
VK		 7568 (params->pmkid &&
7569 nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
7570 (params->bssid &&
7571 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
7572 (params->ssid_len &&
7573 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
7574 (params->fils_cache_id &&
7575 nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
7576 params->fils_cache_id)) ||
7577 (params->pmk_len &&
7578 nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
a862e4a3
JM		 7579 nlmsg_free(msg);
7580 return -ENOBUFS;
7581 }
a6efc65d
JM		 7582
7583 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 7584}
7585
7586
6fbb5414 7587static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 7588{
7589 struct i802_bss *bss = priv;
061a3d3d
VK		 7590
7591 if (params->bssid)
7592 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
7593 MAC2STR(params->bssid));
7594 else if (params->fils_cache_id && params->ssid_len) {
7595 wpa_printf(MSG_DEBUG,
7596 "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
7597 params->fils_cache_id[0], params->fils_cache_id[1],
7598 wpa_ssid_txt(params->ssid, params->ssid_len));
7599 }
7600
7601 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params);
a6efc65d
JM		 7602}
7603
7604
6fbb5414 7605static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 7606{
7607 struct i802_bss *bss = priv;
061a3d3d
VK		 7608
7609 if (params->bssid)
7610 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
7611 MAC2STR(params->bssid));
7612 else if (params->fils_cache_id && params->ssid_len) {
7613 wpa_printf(MSG_DEBUG,
7614 "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
7615 params->fils_cache_id[0], params->fils_cache_id[1],
7616 wpa_ssid_txt(params->ssid, params->ssid_len));
7617 }
7618
7619 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params);
a6efc65d
JM		 7620}
7621
7622
7623static int nl80211_flush_pmkid(void *priv)
7624{
7625 struct i802_bss *bss = priv;
061a3d3d
VK		 7626 struct nl_msg *msg;
7627
a6efc65d 7628 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
061a3d3d
VK		 7629 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
7630 if (!msg)
7631 return -ENOBUFS;
7632 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 7633}
7634
7635
0185007c
MK		 7636static void clean_survey_results(struct survey_results *survey_results)
7637{
7638 struct freq_survey *survey, *tmp;
7639
7640 if (dl_list_empty(&survey_results->survey_list))
7641 return;
7642
7643 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
7644 struct freq_survey, list) {
7645 dl_list_del(&survey->list);
7646 os_free(survey);
7647 }
7648}
7649
7650
7651static void add_survey(struct nlattr **sinfo, u32 ifidx,
7652 struct dl_list *survey_list)
7653{
7654 struct freq_survey *survey;
7655
7656 survey = os_zalloc(sizeof(struct freq_survey));
7657 if (!survey)
7658 return;
7659
7660 survey->ifidx = ifidx;
7661 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
7662 survey->filled = 0;
7663
7664 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
7665 survey->nf = (int8_t)
7666 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
7667 survey->filled |= SURVEY_HAS_NF;
7668 }
7669
7670 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
7671 survey->channel_time =
7672 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
7673 survey->filled |= SURVEY_HAS_CHAN_TIME;
7674 }
7675
7676 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
7677 survey->channel_time_busy =
7678 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
7679 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
7680 }
7681
7682 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
7683 survey->channel_time_rx =
7684 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
7685 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
7686 }
7687
7688 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
7689 survey->channel_time_tx =
7690 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
7691 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
7692 }
7693
7694 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)",
7695 survey->freq,
7696 survey->nf,
7697 (unsigned long int) survey->channel_time,
7698 (unsigned long int) survey->channel_time_busy,
7699 (unsigned long int) survey->channel_time_tx,
7700 (unsigned long int) survey->channel_time_rx,
7701 survey->filled);
7702
7703 dl_list_add_tail(survey_list, &survey->list);
7704}
7705
7706
7707static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
7708 unsigned int freq_filter)
7709{
7710 if (!freq_filter)
7711 return 1;
7712
7713 return freq_filter == surveyed_freq;
7714}
7715
7716
7717static int survey_handler(struct nl_msg *msg, void *arg)
7718{
7719 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7720 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7721 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
7722 struct survey_results *survey_results;
7723 u32 surveyed_freq = 0;
7724 u32 ifidx;
7725
7726 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
7727 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
7728 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
7729 };
7730
7731 survey_results = (struct survey_results *) arg;
7732
7733 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7734 genlmsg_attrlen(gnlh, 0), NULL);
7735
e28f39b7
SJ		 7736 if (!tb[NL80211_ATTR_IFINDEX])
7737 return NL_SKIP;
7738
0185007c
MK		 7739 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
7740
7741 if (!tb[NL80211_ATTR_SURVEY_INFO])
7742 return NL_SKIP;
7743
7744 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
7745 tb[NL80211_ATTR_SURVEY_INFO],
7746 survey_policy))
7747 return NL_SKIP;
7748
7749 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
7750 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
7751 return NL_SKIP;
7752 }
7753
7754 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
7755
7756 if (!check_survey_ok(sinfo, surveyed_freq,
7757 survey_results->freq_filter))
7758 return NL_SKIP;
7759
7760 if (survey_results->freq_filter &&
7761 survey_results->freq_filter != surveyed_freq) {
7762 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
7763 surveyed_freq);
7764 return NL_SKIP;
7765 }
7766
7767 add_survey(sinfo, ifidx, &survey_results->survey_list);
7768
7769 return NL_SKIP;
7770}
7771
7772
7773static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
7774{
7775 struct i802_bss *bss = priv;
7776 struct wpa_driver_nl80211_data *drv = bss->drv;
7777 struct nl_msg *msg;
9725b784 7778 int err;
0185007c
MK		 7779 union wpa_event_data data;
7780 struct survey_results *survey_results;
7781
7782 os_memset(&data, 0, sizeof(data));
7783 survey_results = &data.survey_results;
7784
7785 dl_list_init(&survey_results->survey_list);
7786
9725b784 7787 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 7788 if (!msg)
a862e4a3 7789 return -ENOBUFS;
0185007c 7790
0185007c
MK		 7791 if (freq)
7792 data.survey_results.freq_filter = freq;
7793
7794 do {
7795 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
7796 err = send_and_recv_msgs(drv, msg, survey_handler,
7797 survey_results);
7798 } while (err > 0);
7799
a862e4a3 7800 if (err)
0185007c 7801 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM		 7802 else
7803 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 7804
0185007c 7805 clean_survey_results(survey_results);
0185007c
MK		 7806 return err;
7807}
7808
7809
98cd3d1c
JM		 7810static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
7811 const u8 *kck, size_t kck_len,
b14a210c
JB		 7812 const u8 *replay_ctr)
7813{
7814 struct i802_bss *bss = priv;
7815 struct wpa_driver_nl80211_data *drv = bss->drv;
7816 struct nlattr *replay_nested;
7817 struct nl_msg *msg;
64ae2447 7818 int ret;
b14a210c 7819
64ae2447
JM		 7820 if (!drv->set_rekey_offload)
7821 return;
7822
7823 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
13f83980 7824 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3 7825 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
98cd3d1c 7826 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
b6ea7642 7827 (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
a862e4a3
JM		 7828 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
7829 replay_ctr)) {
bbd89bfc 7830 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 7831 nlmsg_free(msg);
7832 return;
7833 }
b14a210c
JB		 7834
7835 nla_nest_end(msg, replay_nested);
7836
64ae2447
JM		 7837 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
7838 if (ret == -EOPNOTSUPP) {
7839 wpa_printf(MSG_DEBUG,
7840 "nl80211: Driver does not support rekey offload");
7841 drv->set_rekey_offload = 0;
7842 }
b14a210c
JB		 7843}
7844
7845
39718852
JB		 7846static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
7847 const u8 *addr, int qos)
bcf24348 7848{
39718852
JB		 7849 /* send data frame to poll STA and check whether
7850 * this frame is ACKed */
bcf24348
JB		 7851 struct {
7852 struct ieee80211_hdr hdr;
7853 u16 qos_ctl;
7854 } STRUCT_PACKED nulldata;
7855 size_t size;
7856
7857 /* Send data frame to poll STA and check whether this frame is ACKed */
7858
7859 os_memset(&nulldata, 0, sizeof(nulldata));
7860
7861 if (qos) {
7862 nulldata.hdr.frame_control =
7863 IEEE80211_FC(WLAN_FC_TYPE_DATA,
7864 WLAN_FC_STYPE_QOS_NULL);
7865 size = sizeof(nulldata);
7866 } else {
7867 nulldata.hdr.frame_control =
7868 IEEE80211_FC(WLAN_FC_TYPE_DATA,
7869 WLAN_FC_STYPE_NULLFUNC);
7870 size = sizeof(struct ieee80211_hdr);
7871 }
7872
7873 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
7874 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
7875 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
7876 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
7877
9ebce9c5 7878 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
2d3943ce 7879 0, 0, NULL, 0) < 0)
bcf24348
JB		 7880 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
7881 "send poll frame");
7882}
7883
39718852
JB		 7884static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
7885 int qos)
7886{
7887 struct i802_bss *bss = priv;
7888 struct wpa_driver_nl80211_data *drv = bss->drv;
7889 struct nl_msg *msg;
fc99fab7 7890 int ret;
39718852
JB		 7891
7892 if (!drv->poll_command_supported) {
7893 nl80211_send_null_frame(bss, own_addr, addr, qos);
7894 return;
7895 }
7896
13f83980 7897 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM		 7898 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7899 nlmsg_free(msg);
7900 return;
7901 }
39718852 7902
fc99fab7
JM		 7903 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7904 if (ret < 0) {
7905 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
7906 MACSTR " failed: ret=%d (%s)",
7907 MAC2STR(addr), ret, strerror(-ret));
7908 }
39718852
JB		 7909}
7910
bcf24348 7911
29f338af
JM		 7912static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
7913{
7914 struct nl_msg *msg;
7915
13f83980 7916 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM		 7917 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
7918 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
7919 nlmsg_free(msg);
7920 return -ENOBUFS;
7921 }
29f338af 7922 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
29f338af
JM		 7923}
7924
7925
7926static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
7927 int ctwindow)
7928{
7929 struct i802_bss *bss = priv;
7930
7931 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
7932 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
7933
0de38036
JM		 7934 if (opp_ps != -1 || ctwindow != -1) {
7935#ifdef ANDROID_P2P
7936 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
7937#else /* ANDROID_P2P */
29f338af 7938 return -1; /* Not yet supported */
0de38036
JM		 7939#endif /* ANDROID_P2P */
7940 }
29f338af
JM		 7941
7942 if (legacy_ps == -1)
7943 return 0;
7944 if (legacy_ps != 0 && legacy_ps != 1)
7945 return -1; /* Not yet supported */
7946
7947 return nl80211_set_power_save(bss, legacy_ps);
7948}
7949
7950
04e8003c
JD		 7951static int nl80211_start_radar_detection(void *priv,
7952 struct hostapd_freq_params *freq)
f90e9c1c
SW		 7953{
7954 struct i802_bss *bss = priv;
7955 struct wpa_driver_nl80211_data *drv = bss->drv;
7956 struct nl_msg *msg;
7957 int ret;
7958
04e8003c
JD		 7959 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)",
7960 freq->freq, freq->ht_enabled, freq->vht_enabled,
7961 freq->bandwidth, freq->center_freq1, freq->center_freq2);
7962
f90e9c1c
SW		 7963 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
7964 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
7965 "detection");
7966 return -1;
7967 }
7968
9725b784 7969 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM		 7970 nl80211_put_freq_params(msg, freq) < 0) {
7971 nlmsg_free(msg);
7972 return -1;
7973 }
f90e9c1c
SW		 7974
7975 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7976 if (ret == 0)
7977 return 0;
7978 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
7979 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW		 7980 return -1;
7981}
7982
03ea1786
AN		 7983#ifdef CONFIG_TDLS
7984
7985static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
7986 u8 dialog_token, u16 status_code,
984dadc2
AN		 7987 u32 peer_capab, int initiator, const u8 *buf,
7988 size_t len)
03ea1786
AN		 7989{
7990 struct i802_bss *bss = priv;
7991 struct wpa_driver_nl80211_data *drv = bss->drv;
7992 struct nl_msg *msg;
7993
7994 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7995 return -EOPNOTSUPP;
7996
7997 if (!dst)
7998 return -EINVAL;
7999
9725b784 8000 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM		 8001 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
8002 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
8003 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
8004 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
8005 goto fail;
96ecea5e
SD		 8006 if (peer_capab) {
8007 /*
8008 * The internal enum tdls_peer_capability definition is
8009 * currently identical with the nl80211 enum
8010 * nl80211_tdls_peer_capability, so no conversion is needed
8011 * here.
8012 */
a862e4a3
JM		 8013 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
8014 peer_capab))
8015 goto fail;
96ecea5e 8016 }
a862e4a3
JM		 8017 if ((initiator &&
8018 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
8019 nla_put(msg, NL80211_ATTR_IE, len, buf))
8020 goto fail;
03ea1786
AN		 8021
8022 return send_and_recv_msgs(drv, msg, NULL, NULL);
8023
a862e4a3 8024fail:
03ea1786
AN		 8025 nlmsg_free(msg);
8026 return -ENOBUFS;
8027}
8028
8029
8030static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
8031{
8032 struct i802_bss *bss = priv;
8033 struct wpa_driver_nl80211_data *drv = bss->drv;
8034 struct nl_msg *msg;
8035 enum nl80211_tdls_operation nl80211_oper;
b2442f25 8036 int res;
03ea1786
AN		 8037
8038 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8039 return -EOPNOTSUPP;
8040
8041 switch (oper) {
8042 case TDLS_DISCOVERY_REQ:
8043 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
8044 break;
8045 case TDLS_SETUP:
8046 nl80211_oper = NL80211_TDLS_SETUP;
8047 break;
8048 case TDLS_TEARDOWN:
8049 nl80211_oper = NL80211_TDLS_TEARDOWN;
8050 break;
8051 case TDLS_ENABLE_LINK:
8052 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
8053 break;
8054 case TDLS_DISABLE_LINK:
8055 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
8056 break;
8057 case TDLS_ENABLE:
8058 return 0;
8059 case TDLS_DISABLE:
8060 return 0;
8061 default:
8062 return -EINVAL;
8063 }
8064
9725b784 8065 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 8066 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM		 8067 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
8068 nlmsg_free(msg);
8069 return -ENOBUFS;
8070 }
03ea1786 8071
b2442f25
JM		 8072 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8073 wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
8074 " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
8075 strerror(-res));
8076 return res;
03ea1786
AN		 8077}
8078
72b2605f
AN		 8079
8080static int
8081nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
8082 const struct hostapd_freq_params *params)
8083{
8084 struct i802_bss *bss = priv;
8085 struct wpa_driver_nl80211_data *drv = bss->drv;
8086 struct nl_msg *msg;
8087 int ret = -ENOBUFS;
8088
8089 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8090 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8091 return -EOPNOTSUPP;
8092
8093 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
8094 " oper_class=%u freq=%u",
8095 MAC2STR(addr), oper_class, params->freq);
8096 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
8097 if (!msg ||
8098 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8099 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
8100 (ret = nl80211_put_freq_params(msg, params))) {
8101 nlmsg_free(msg);
8102 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
8103 return ret;
8104 }
8105
8106 return send_and_recv_msgs(drv, msg, NULL, NULL);
8107}
8108
8109
8110static int
8111nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
8112{
8113 struct i802_bss *bss = priv;
8114 struct wpa_driver_nl80211_data *drv = bss->drv;
8115 struct nl_msg *msg;
8116
8117 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8118 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8119 return -EOPNOTSUPP;
8120
8121 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
8122 MAC2STR(addr));
8123 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
8124 if (!msg ||
8125 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8126 nlmsg_free(msg);
8127 wpa_printf(MSG_DEBUG,
8128 "nl80211: Could not build TDLS cancel chan switch");
8129 return -ENOBUFS;
8130 }
8131
8132 return send_and_recv_msgs(drv, msg, NULL, NULL);
8133}
8134
03ea1786
AN		 8135#endif /* CONFIG TDLS */
8136
8137
9ebce9c5
JM		 8138static int driver_nl80211_set_key(const char *ifname, void *priv,
8139 enum wpa_alg alg, const u8 *addr,
8140 int key_idx, int set_tx,
8141 const u8 *seq, size_t seq_len,
8142 const u8 *key, size_t key_len)
8143{
8144 struct i802_bss *bss = priv;
8145 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
8146 set_tx, seq, seq_len, key, key_len);
8147}
8148
8149
8150static int driver_nl80211_scan2(void *priv,
8151 struct wpa_driver_scan_params *params)
8152{
8153 struct i802_bss *bss = priv;
b658547d 8154#ifdef CONFIG_DRIVER_NL80211_QCA
adcd7c4b
KV		 8155 struct wpa_driver_nl80211_data *drv = bss->drv;
8156
8157 /*
8158 * Do a vendor specific scan if possible. If only_new_results is
8159 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
8160 * cannot be achieved through a vendor scan. The below condition may
8161 * need to be modified if new scan flags are added in the future whose
8162 * functionality can only be achieved through a normal scan.
8163 */
8164 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
8165 return wpa_driver_nl80211_vendor_scan(bss, params);
b658547d 8166#endif /* CONFIG_DRIVER_NL80211_QCA */
9ebce9c5
JM		 8167 return wpa_driver_nl80211_scan(bss, params);
8168}
8169
8170
8171static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
8172 int reason_code)
8173{
8174 struct i802_bss *bss = priv;
8175 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
8176}
8177
8178
8179static int driver_nl80211_authenticate(void *priv,
8180 struct wpa_driver_auth_params *params)
8181{
8182 struct i802_bss *bss = priv;
8183 return wpa_driver_nl80211_authenticate(bss, params);
8184}
8185
8186
8187static void driver_nl80211_deinit(void *priv)
8188{
8189 struct i802_bss *bss = priv;
8190 wpa_driver_nl80211_deinit(bss);
8191}
8192
8193
8194static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
8195 const char *ifname)
8196{
8197 struct i802_bss *bss = priv;
8198 return wpa_driver_nl80211_if_remove(bss, type, ifname);
8199}
8200
8201
8202static int driver_nl80211_send_mlme(void *priv, const u8 *data,
5d180a77 8203 size_t data_len, int noack,
2d3943ce
AO		 8204 unsigned int freq,
8205 const u16 *csa_offs, size_t csa_offs_len)
9ebce9c5
JM		 8206{
8207 struct i802_bss *bss = priv;
8208 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
2d3943ce
AO		 8209 freq, 0, 0, 0, csa_offs,
8210 csa_offs_len);
9ebce9c5
JM		 8211}
8212
8213
8214static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
8215{
8216 struct i802_bss *bss = priv;
59d7148a 8217 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 8218}
8219
8220
9ebce9c5
JM		 8221static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
8222 const char *ifname, int vlan_id)
8223{
8224 struct i802_bss *bss = priv;
8225 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
8226}
9ebce9c5
JM		 8227
8228
8229static int driver_nl80211_read_sta_data(void *priv,
8230 struct hostap_sta_driver_data *data,
8231 const u8 *addr)
8232{
8233 struct i802_bss *bss = priv;
7824bf77
JC		 8234
8235 os_memset(data, 0, sizeof(*data));
9ebce9c5
JM		 8236 return i802_read_sta_data(bss, data, addr);
8237}
8238
8239
8240static int driver_nl80211_send_action(void *priv, unsigned int freq,
8241 unsigned int wait_time,
8242 const u8 *dst, const u8 *src,
8243 const u8 *bssid,
8244 const u8 *data, size_t data_len,
8245 int no_cck)
8246{
8247 struct i802_bss *bss = priv;
8248 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
8249 bssid, data, data_len, no_cck);
8250}
8251
8252
8253static int driver_nl80211_probe_req_report(void *priv, int report)
8254{
8255 struct i802_bss *bss = priv;
8256 return wpa_driver_nl80211_probe_req_report(bss, report);
8257}
8258
8259
6a1ce395
DG		 8260static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
8261 const u8 *ies, size_t ies_len)
8262{
8263 int ret;
8264 struct nl_msg *msg;
8265 struct i802_bss *bss = priv;
8266 struct wpa_driver_nl80211_data *drv = bss->drv;
8267 u16 mdid = WPA_GET_LE16(md);
8268
6a1ce395 8269 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 8270 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM		 8271 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
8272 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
8273 nlmsg_free(msg);
8274 return -ENOBUFS;
8275 }
6a1ce395
DG		 8276
8277 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8278 if (ret) {
8279 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
8280 "err=%d (%s)", ret, strerror(-ret));
8281 }
8282
8283 return ret;
6a1ce395
DG		 8284}
8285
8286
47754718 8287static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
597b94f5
AS		 8288{
8289 struct i802_bss *bss = priv;
8290 struct wpa_driver_nl80211_data *drv = bss->drv;
8291
8292 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
8293 return NULL;
8294
8295 return bss->addr;
8296}
8297
8298
a771c07d
JM		 8299static const char * scan_state_str(enum scan_states scan_state)
8300{
8301 switch (scan_state) {
8302 case NO_SCAN:
8303 return "NO_SCAN";
8304 case SCAN_REQUESTED:
8305 return "SCAN_REQUESTED";
8306 case SCAN_STARTED:
8307 return "SCAN_STARTED";
8308 case SCAN_COMPLETED:
8309 return "SCAN_COMPLETED";
8310 case SCAN_ABORTED:
8311 return "SCAN_ABORTED";
8312 case SCHED_SCAN_STARTED:
8313 return "SCHED_SCAN_STARTED";
8314 case SCHED_SCAN_STOPPED:
8315 return "SCHED_SCAN_STOPPED";
8316 case SCHED_SCAN_RESULTS:
8317 return "SCHED_SCAN_RESULTS";
8318 }
8319
8320 return "??";
8321}
8322
8323
8324static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
8325{
8326 struct i802_bss *bss = priv;
8327 struct wpa_driver_nl80211_data *drv = bss->drv;
8328 int res;
8329 char *pos, *end;
8330
8331 pos = buf;
8332 end = buf + buflen;
8333
8334 res = os_snprintf(pos, end - pos,
8335 "ifindex=%d\n"
8336 "ifname=%s\n"
8337 "brname=%s\n"
8338 "addr=" MACSTR "\n"
8339 "freq=%d\n"
8340 "%s%s%s%s%s",
8341 bss->ifindex,
8342 bss->ifname,
8343 bss->brname,
8344 MAC2STR(bss->addr),
8345 bss->freq,
8346 bss->beacon_set ? "beacon_set=1\n" : "",
8347 bss->added_if_into_bridge ?
8348 "added_if_into_bridge=1\n" : "",
8349 bss->added_bridge ? "added_bridge=1\n" : "",
8350 bss->in_deinit ? "in_deinit=1\n" : "",
8351 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 8352 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8353 return pos - buf;
8354 pos += res;
8355
8356 if (bss->wdev_id_set) {
8357 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
8358 (unsigned long long) bss->wdev_id);
d85e1fc8 8359 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8360 return pos - buf;
8361 pos += res;
8362 }
8363
8364 res = os_snprintf(pos, end - pos,
8365 "phyname=%s\n"
fee354c7 8366 "perm_addr=" MACSTR "\n"
a771c07d
JM		 8367 "drv_ifindex=%d\n"
8368 "operstate=%d\n"
8369 "scan_state=%s\n"
8370 "auth_bssid=" MACSTR "\n"
8371 "auth_attempt_bssid=" MACSTR "\n"
8372 "bssid=" MACSTR "\n"
8373 "prev_bssid=" MACSTR "\n"
8374 "associated=%d\n"
8375 "assoc_freq=%u\n"
8376 "monitor_sock=%d\n"
8377 "monitor_ifidx=%d\n"
8378 "monitor_refcount=%d\n"
8379 "last_mgmt_freq=%u\n"
8380 "eapol_tx_sock=%d\n"
97752f79 8381 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 8382 drv->phyname,
fee354c7 8383 MAC2STR(drv->perm_addr),
a771c07d
JM		 8384 drv->ifindex,
8385 drv->operstate,
8386 scan_state_str(drv->scan_state),
8387 MAC2STR(drv->auth_bssid),
8388 MAC2STR(drv->auth_attempt_bssid),
8389 MAC2STR(drv->bssid),
8390 MAC2STR(drv->prev_bssid),
8391 drv->associated,
8392 drv->assoc_freq,
8393 drv->monitor_sock,
8394 drv->monitor_ifidx,
8395 drv->monitor_refcount,
8396 drv->last_mgmt_freq,
8397 drv->eapol_tx_sock,
8398 drv->ignore_if_down_event ?
8399 "ignore_if_down_event=1\n" : "",
8400 drv->scan_complete_events ?
8401 "scan_complete_events=1\n" : "",
8402 drv->disabled_11b_rates ?
8403 "disabled_11b_rates=1\n" : "",
8404 drv->pending_remain_on_chan ?
8405 "pending_remain_on_chan=1\n" : "",
8406 drv->in_interface_list ? "in_interface_list=1\n" : "",
8407 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
8408 drv->poll_command_supported ?
8409 "poll_command_supported=1\n" : "",
8410 drv->data_tx_status ? "data_tx_status=1\n" : "",
8411 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
8412 drv->retry_auth ? "retry_auth=1\n" : "",
8413 drv->use_monitor ? "use_monitor=1\n" : "",
8414 drv->ignore_next_local_disconnect ?
8415 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 8416 drv->ignore_next_local_deauth ?
97752f79 8417 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 8418 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8419 return pos - buf;
8420 pos += res;
8421
8422 if (drv->has_capability) {
8423 res = os_snprintf(pos, end - pos,
8424 "capa.key_mgmt=0x%x\n"
8425 "capa.enc=0x%x\n"
8426 "capa.auth=0x%x\n"
24bd4e0b 8427 "capa.flags=0x%llx\n"
a0a34d53 8428 "capa.rrm_flags=0x%x\n"
a771c07d
JM		 8429 "capa.max_scan_ssids=%d\n"
8430 "capa.max_sched_scan_ssids=%d\n"
8431 "capa.sched_scan_supported=%d\n"
8432 "capa.max_match_sets=%d\n"
8433 "capa.max_remain_on_chan=%u\n"
8434 "capa.max_stations=%u\n"
8435 "capa.probe_resp_offloads=0x%x\n"
8436 "capa.max_acl_mac_addrs=%u\n"
86056fea
IP		 8437 "capa.num_multichan_concurrent=%u\n"
8438 "capa.mac_addr_rand_sched_scan_supported=%d\n"
079a28f7
AK		 8439 "capa.mac_addr_rand_scan_supported=%d\n"
8440 "capa.conc_capab=%u\n"
8441 "capa.max_conc_chan_2_4=%u\n"
09ea4309
AS		 8442 "capa.max_conc_chan_5_0=%u\n"
8443 "capa.max_sched_scan_plans=%u\n"
8444 "capa.max_sched_scan_plan_interval=%u\n"
8445 "capa.max_sched_scan_plan_iterations=%u\n",
a771c07d
JM		 8446 drv->capa.key_mgmt,
8447 drv->capa.enc,
8448 drv->capa.auth,
24bd4e0b 8449 (unsigned long long) drv->capa.flags,
a0a34d53 8450 drv->capa.rrm_flags,
a771c07d
JM		 8451 drv->capa.max_scan_ssids,
8452 drv->capa.max_sched_scan_ssids,
8453 drv->capa.sched_scan_supported,
8454 drv->capa.max_match_sets,
8455 drv->capa.max_remain_on_chan,
8456 drv->capa.max_stations,
8457 drv->capa.probe_resp_offloads,
8458 drv->capa.max_acl_mac_addrs,
86056fea
IP		 8459 drv->capa.num_multichan_concurrent,
8460 drv->capa.mac_addr_rand_sched_scan_supported,
079a28f7
AK		 8461 drv->capa.mac_addr_rand_scan_supported,
8462 drv->capa.conc_capab,
8463 drv->capa.max_conc_chan_2_4,
09ea4309
AS		 8464 drv->capa.max_conc_chan_5_0,
8465 drv->capa.max_sched_scan_plans,
8466 drv->capa.max_sched_scan_plan_interval,
8467 drv->capa.max_sched_scan_plan_iterations);
d85e1fc8 8468 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8469 return pos - buf;
8470 pos += res;
8471 }
8472
8473 return pos - buf;
8474}
8475
8476
1c4ffa87
AO		 8477static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
8478{
a862e4a3
JM		 8479 if ((settings->head &&
8480 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
8481 settings->head_len, settings->head)) ||
8482 (settings->tail &&
8483 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
8484 settings->tail_len, settings->tail)) ||
8485 (settings->beacon_ies &&
8486 nla_put(msg, NL80211_ATTR_IE,
8487 settings->beacon_ies_len, settings->beacon_ies)) ||
8488 (settings->proberesp_ies &&
8489 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
8490 settings->proberesp_ies_len, settings->proberesp_ies)) ||
8491 (settings->assocresp_ies &&
8492 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
8493 settings->assocresp_ies_len, settings->assocresp_ies)) ||
8494 (settings->probe_resp &&
8495 nla_put(msg, NL80211_ATTR_PROBE_RESP,
8496 settings->probe_resp_len, settings->probe_resp)))
8497 return -ENOBUFS;
1c4ffa87
AO		 8498
8499 return 0;
1c4ffa87
AO		 8500}
8501
8502
8503static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
8504{
8505 struct nl_msg *msg;
8506 struct i802_bss *bss = priv;
8507 struct wpa_driver_nl80211_data *drv = bss->drv;
8508 struct nlattr *beacon_csa;
8509 int ret = -ENOBUFS;
366179d2
AO		 8510 int csa_off_len = 0;
8511 int i;
1c4ffa87 8512
8d1fdde7 8513 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 8514 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 8515 settings->freq_params.freq, settings->freq_params.bandwidth,
8516 settings->freq_params.center_freq1,
8517 settings->freq_params.center_freq2);
1c4ffa87 8518
991aa9c7 8519 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 8520 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
8521 return -EOPNOTSUPP;
8522 }
8523
8524 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
8525 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
8526 return -EOPNOTSUPP;
8527
366179d2
AO		 8528 /*
8529 * Remove empty counters, assuming Probe Response and Beacon frame
8530 * counters match. This implementation assumes that there are only two
8531 * counters.
8532 */
8533 if (settings->counter_offset_beacon[0] &&
8534 !settings->counter_offset_beacon[1]) {
8535 csa_off_len = 1;
8536 } else if (settings->counter_offset_beacon[1] &&
8537 !settings->counter_offset_beacon[0]) {
8538 csa_off_len = 1;
8539 settings->counter_offset_beacon[0] =
8540 settings->counter_offset_beacon[1];
8541 settings->counter_offset_presp[0] =
8542 settings->counter_offset_presp[1];
8543 } else if (settings->counter_offset_beacon[1] &&
8544 settings->counter_offset_beacon[0]) {
8545 csa_off_len = 2;
8546 } else {
8547 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
8548 return -EINVAL;
8549 }
8550
8551 /* Check CSA counters validity */
8552 if (drv->capa.max_csa_counters &&
8553 csa_off_len > drv->capa.max_csa_counters) {
8554 wpa_printf(MSG_ERROR,
8555 "nl80211: Too many CSA counters provided");
1c4ffa87 8556 return -EINVAL;
366179d2 8557 }
1c4ffa87 8558
366179d2 8559 if (!settings->beacon_csa.tail)
1c4ffa87
AO		 8560 return -EINVAL;
8561
366179d2
AO		 8562 for (i = 0; i < csa_off_len; i++) {
8563 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
8564 u16 csa_c_off_presp = settings->counter_offset_presp[i];
8565
8566 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
8567 (settings->beacon_csa.tail[csa_c_off_bcn] !=
8568 settings->cs_count))
8569 return -EINVAL;
8570
8571 if (settings->beacon_csa.probe_resp &&
8572 ((settings->beacon_csa.probe_resp_len <=
8573 csa_c_off_presp) ||
8574 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
8575 settings->cs_count)))
8576 return -EINVAL;
8577 }
8578
13f83980 8579 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM		 8580 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
8581 settings->cs_count) ||
8582 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
8583 (settings->block_tx &&
8584 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO		 8585 goto error;
8586
1c4ffa87
AO		 8587 /* beacon_after params */
8588 ret = set_beacon_data(msg, &settings->beacon_after);
8589 if (ret)
8590 goto error;
8591
8592 /* beacon_csa params */
8593 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
8594 if (!beacon_csa)
a862e4a3 8595 goto fail;
1c4ffa87
AO		 8596
8597 ret = set_beacon_data(msg, &settings->beacon_csa);
8598 if (ret)
8599 goto error;
8600
366179d2
AO		 8601 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
8602 csa_off_len * sizeof(u16),
8603 settings->counter_offset_beacon) ||
a862e4a3 8604 (settings->beacon_csa.probe_resp &&
366179d2
AO		 8605 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
8606 csa_off_len * sizeof(u16),
8607 settings->counter_offset_presp)))
a862e4a3 8608 goto fail;
1c4ffa87
AO		 8609
8610 nla_nest_end(msg, beacon_csa);
8611 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8612 if (ret) {
8613 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
8614 ret, strerror(-ret));
8615 }
8616 return ret;
8617
a862e4a3 8618fail:
1c4ffa87
AO		 8619 ret = -ENOBUFS;
8620error:
8621 nlmsg_free(msg);
8622 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
8623 return ret;
8624}
8625
8626
dfa87878
MB		 8627static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
8628 u8 user_priority, u16 admitted_time)
8629{
8630 struct i802_bss *bss = priv;
8631 struct wpa_driver_nl80211_data *drv = bss->drv;
8632 struct nl_msg *msg;
8633 int ret;
8634
8635 wpa_printf(MSG_DEBUG,
8636 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
8637 tsid, admitted_time, user_priority);
8638
8639 if (!is_sta_interface(drv->nlmode))
8640 return -ENOTSUP;
8641
56f77852
JM		 8642 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
8643 if (!msg ||
a862e4a3
JM		 8644 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
8645 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8646 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
8647 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
8648 nlmsg_free(msg);
8649 return -ENOBUFS;
8650 }
dfa87878
MB		 8651
8652 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8653 if (ret)
8654 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
8655 ret, strerror(-ret));
8656 return ret;
dfa87878
MB		 8657}
8658
8659
8660static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
8661{
8662 struct i802_bss *bss = priv;
8663 struct wpa_driver_nl80211_data *drv = bss->drv;
8664 struct nl_msg *msg;
8665 int ret;
8666
8667 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
8668
8669 if (!is_sta_interface(drv->nlmode))
8670 return -ENOTSUP;
8671
56f77852 8672 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM		 8673 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
8674 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8675 nlmsg_free(msg);
8676 return -ENOBUFS;
8677 }
dfa87878
MB		 8678
8679 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8680 if (ret)
8681 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
8682 ret, strerror(-ret));
8683 return ret;
dfa87878
MB		 8684}
8685
8686
6b9f7af6
JM		 8687#ifdef CONFIG_TESTING_OPTIONS
8688static int cmd_reply_handler(struct nl_msg *msg, void *arg)
8689{
8690 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8691 struct wpabuf *buf = arg;
8692
8693 if (!buf)
8694 return NL_SKIP;
8695
8696 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
8697 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
8698 return NL_SKIP;
8699 }
8700
8701 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
8702 genlmsg_attrlen(gnlh, 0));
8703
8704 return NL_SKIP;
8705}
8706#endif /* CONFIG_TESTING_OPTIONS */
8707
8708
adef8948
BL		 8709static int vendor_reply_handler(struct nl_msg *msg, void *arg)
8710{
8711 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8712 struct nlattr *nl_vendor_reply, *nl;
8713 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8714 struct wpabuf *buf = arg;
8715 int rem;
8716
8717 if (!buf)
8718 return NL_SKIP;
8719
8720 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8721 genlmsg_attrlen(gnlh, 0), NULL);
8722 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
8723
8724 if (!nl_vendor_reply)
8725 return NL_SKIP;
8726
8727 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
8728 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
8729 return NL_SKIP;
8730 }
8731
8732 nla_for_each_nested(nl, nl_vendor_reply, rem) {
8733 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
8734 }
8735
8736 return NL_SKIP;
8737}
8738
8739
8740static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
8741 unsigned int subcmd, const u8 *data,
8742 size_t data_len, struct wpabuf *buf)
8743{
8744 struct i802_bss *bss = priv;
8745 struct wpa_driver_nl80211_data *drv = bss->drv;
8746 struct nl_msg *msg;
8747 int ret;
8748
6b9f7af6
JM		 8749#ifdef CONFIG_TESTING_OPTIONS
8750 if (vendor_id == 0xffffffff) {
56f77852
JM		 8751 msg = nlmsg_alloc();
8752 if (!msg)
8753 return -ENOMEM;
8754
6b9f7af6
JM		 8755 nl80211_cmd(drv, msg, 0, subcmd);
8756 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
8757 0)
a862e4a3 8758 goto fail;
6b9f7af6
JM		 8759 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
8760 if (ret)
8761 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
8762 ret);
8763 return ret;
8764 }
8765#endif /* CONFIG_TESTING_OPTIONS */
8766
56f77852 8767 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 8768 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
8769 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
8770 (data &&
8771 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
8772 goto fail;
adef8948
BL		 8773
8774 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
8775 if (ret)
8776 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
8777 ret);
8778 return ret;
8779
a862e4a3 8780fail:
adef8948
BL		 8781 nlmsg_free(msg);
8782 return -ENOBUFS;
8783}
8784
8785
049105b4
KP		 8786static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
8787 u8 qos_map_set_len)
8788{
8789 struct i802_bss *bss = priv;
8790 struct wpa_driver_nl80211_data *drv = bss->drv;
8791 struct nl_msg *msg;
8792 int ret;
8793
049105b4
KP		 8794 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
8795 qos_map_set, qos_map_set_len);
8796
9725b784 8797 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM		 8798 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
8799 nlmsg_free(msg);
8800 return -ENOBUFS;
8801 }
049105b4
KP		 8802
8803 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8804 if (ret)
8805 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
8806
8807 return ret;
049105b4
KP		 8808}
8809
8810
e4fa8b12
EP		 8811static int nl80211_set_wowlan(void *priv,
8812 const struct wowlan_triggers *triggers)
8813{
8814 struct i802_bss *bss = priv;
8815 struct wpa_driver_nl80211_data *drv = bss->drv;
8816 struct nl_msg *msg;
8817 struct nlattr *wowlan_triggers;
8818 int ret;
8819
e4fa8b12
EP		 8820 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
8821
1ac977bd 8822 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM		 8823 !(wowlan_triggers = nla_nest_start(msg,
8824 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
8825 (triggers->any &&
8826 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
8827 (triggers->disconnect &&
8828 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
8829 (triggers->magic_pkt &&
8830 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
8831 (triggers->gtk_rekey_failure &&
8832 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
8833 (triggers->eap_identity_req &&
8834 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
8835 (triggers->four_way_handshake &&
8836 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
8837 (triggers->rfkill_release &&
8838 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
8839 nlmsg_free(msg);
8840 return -ENOBUFS;
8841 }
e4fa8b12
EP		 8842
8843 nla_nest_end(msg, wowlan_triggers);
8844
8845 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8846 if (ret)
8847 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
8848
8849 return ret;
e4fa8b12
EP		 8850}
8851
8852
b658547d 8853#ifdef CONFIG_DRIVER_NL80211_QCA
0800f9ee
JM		 8854static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
8855{
8856 struct i802_bss *bss = priv;
8857 struct wpa_driver_nl80211_data *drv = bss->drv;
8858 struct nl_msg *msg;
8859 struct nlattr *params;
8860
8861 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
8862
8863 if (!drv->roaming_vendor_cmd_avail) {
8864 wpa_printf(MSG_DEBUG,
8865 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
8866 return -1;
8867 }
8868
9725b784 8869 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 8870 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8871 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8872 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
8873 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8874 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
8875 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
8876 QCA_ROAMING_NOT_ALLOWED) ||
8877 (bssid &&
8878 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
8879 nlmsg_free(msg);
8880 return -1;
8881 }
0800f9ee
JM		 8882 nla_nest_end(msg, params);
8883
8884 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee 8885}
b04854ce
AP		 8886
8887
8888/* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
8889#define WPA_SUPPLICANT_CLIENT_ID 1
8890
8891static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid,
8892 const u8 *bssid)
8893{
8894 struct i802_bss *bss = priv;
8895 struct wpa_driver_nl80211_data *drv = bss->drv;
8896 struct nl_msg *msg;
8897 struct nlattr *params, *nlbssids, *attr;
8898 unsigned int i;
8899
8900 wpa_printf(MSG_DEBUG, "nl80211: Set blacklist BSSID (num=%u)",
8901 num_bssid);
8902
8903 if (!drv->roam_vendor_cmd_avail)
8904 return -1;
8905
8906 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8907 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8908 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8909 QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
8910 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8911 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
8912 QCA_WLAN_VENDOR_ATTR_ROAM_SUBCMD_SET_BLACKLIST_BSSID) ||
8913 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
8914 WPA_SUPPLICANT_CLIENT_ID) ||
8915 nla_put_u32(msg,
8916 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
8917 num_bssid))
8918 goto fail;
8919
8920 nlbssids = nla_nest_start(
8921 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
8922 if (!nlbssids)
8923 goto fail;
8924
8925 for (i = 0; i < num_bssid; i++) {
8926 attr = nla_nest_start(msg, i);
8927 if (!attr)
8928 goto fail;
8929 if (nla_put(msg,
8930 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
8931 ETH_ALEN, &bssid[i * ETH_ALEN]))
8932 goto fail;
8933 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i,
8934 MAC2STR(&bssid[i * ETH_ALEN]));
8935 nla_nest_end(msg, attr);
8936 }
8937 nla_nest_end(msg, nlbssids);
8938 nla_nest_end(msg, params);
8939
8940 return send_and_recv_msgs(drv, msg, NULL, NULL);
8941
8942fail:
8943 nlmsg_free(msg);
8944 return -1;
8945}
8946
b658547d 8947#endif /* CONFIG_DRIVER_NL80211_QCA */
0800f9ee
JM		 8948
8949
fee354c7
JM		 8950static int nl80211_set_mac_addr(void *priv, const u8 *addr)
8951{
8952 struct i802_bss *bss = priv;
8953 struct wpa_driver_nl80211_data *drv = bss->drv;
8954 int new_addr = addr != NULL;
8955
9ce3e610
JM		 8956 if (TEST_FAIL())
8957 return -1;
8958
fee354c7
JM		 8959 if (!addr)
8960 addr = drv->perm_addr;
8961
8962 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
8963 return -1;
8964
8965 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
8966 {
8967 wpa_printf(MSG_DEBUG,
8968 "nl80211: failed to set_mac_addr for %s to " MACSTR,
8969 bss->ifname, MAC2STR(addr));
8970 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
8971 1) < 0) {
8972 wpa_printf(MSG_DEBUG,
8973 "nl80211: Could not restore interface UP after failed set_mac_addr");
8974 }
8975 return -1;
8976 }
8977
8978 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
8979 bss->ifname, MAC2STR(addr));
8980 drv->addr_changed = new_addr;
8981 os_memcpy(bss->addr, addr, ETH_ALEN);
8982
8983 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
8984 {
8985 wpa_printf(MSG_DEBUG,
8986 "nl80211: Could not restore interface UP after set_mac_addr");
8987 }
8988
8989 return 0;
8990}
8991
8992
6c1664f6
BC		 8993#ifdef CONFIG_MESH
8994
8995static int wpa_driver_nl80211_init_mesh(void *priv)
8996{
8997 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
8998 wpa_printf(MSG_INFO,
8999 "nl80211: Failed to set interface into mesh mode");
9000 return -1;
9001 }
9002 return 0;
9003}
9004
9005
21c74e84
JM		 9006static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
9007 size_t mesh_id_len)
9008{
9009 if (mesh_id) {
9010 wpa_hexdump_ascii(MSG_DEBUG, " * Mesh ID (SSID)",
9011 mesh_id, mesh_id_len);
9012 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
9013 }
9014
9015 return 0;
9016}
9017
9018
4ffb3f87
MH		 9019static int nl80211_put_mesh_config(struct nl_msg *msg,
9020 struct wpa_driver_mesh_bss_params *params)
9021{
9022 struct nlattr *container;
9023
9024 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
9025 if (!container)
9026 return -1;
9027
2bd62171
MH		 9028 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
9029 nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
9030 params->auto_plinks)) ||
9031 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
9032 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
31a856a1
MH		 9033 params->max_peer_links)) ||
9034 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
9035 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
9036 params->rssi_threshold)))
4ffb3f87
MH		 9037 return -1;
9038
9039 /*
9040 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
9041 * the timer could disconnect stations even in that case.
9042 */
2bd62171
MH		 9043 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
9044 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4ffb3f87
MH		 9045 params->peer_link_timeout)) {
9046 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
9047 return -1;
9048 }
9049
052b8d38
MH		 9050 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
9051 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
9052 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
9053 return -1;
9054 }
9055
4ffb3f87
MH		 9056 nla_nest_end(msg, container);
9057
9058 return 0;
9059}
9060
9061
0cb5f8d9 9062static int nl80211_join_mesh(struct i802_bss *bss,
6c1664f6
BC		 9063 struct wpa_driver_mesh_join_params *params)
9064{
6c1664f6
BC		 9065 struct wpa_driver_nl80211_data *drv = bss->drv;
9066 struct nl_msg *msg;
9067 struct nlattr *container;
7451a217 9068 int ret = -1;
6c1664f6 9069
6c1664f6 9070 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784 9071 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
f7e889fa
JM		 9072 if (!msg ||
9073 nl80211_put_freq_params(msg, &params->freq) ||
21c74e84
JM		 9074 nl80211_put_basic_rates(msg, params->basic_rates) ||
9075 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
4ac2ea57
MH		 9076 nl80211_put_beacon_int(msg, params->beacon_int) ||
9077 nl80211_put_dtim_period(msg, params->dtim_period))
85e1fad8 9078 goto fail;
9c58c5f7 9079
6c1664f6
BC		 9080 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
9081
9082 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
9083 if (!container)
a862e4a3 9084 goto fail;
6c1664f6
BC		 9085
9086 if (params->ies) {
9087 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM		 9088 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
9089 params->ies))
9090 goto fail;
6c1664f6
BC		 9091 }
9092 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
9093 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM		 9094 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
9095 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
9096 goto fail;
6c1664f6 9097 }
a862e4a3
JM		 9098 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
9099 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
9100 goto fail;
9101 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
9102 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
9103 goto fail;
6c1664f6
BC		 9104 nla_nest_end(msg, container);
9105
2bd62171
MH		 9106 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
9107 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
9108 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
4ffb3f87 9109 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
5a2a6de6 9110 goto fail;
6c1664f6
BC		 9111
9112 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9113 msg = NULL;
9114 if (ret) {
9115 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
9116 ret, strerror(-ret));
a862e4a3 9117 goto fail;
6c1664f6
BC		 9118 }
9119 ret = 0;
92a515b8 9120 drv->assoc_freq = bss->freq = params->freq.freq;
6c1664f6
BC		 9121 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
9122
a862e4a3 9123fail:
6c1664f6
BC		 9124 nlmsg_free(msg);
9125 return ret;
9126}
9127
9128
0cb5f8d9
MH		 9129static int
9130wpa_driver_nl80211_join_mesh(void *priv,
9131 struct wpa_driver_mesh_join_params *params)
9132{
9133 struct i802_bss *bss = priv;
9134 int ret, timeout;
9135
9136 timeout = params->conf.peer_link_timeout;
9137
9138 /* Disable kernel inactivity timer */
9139 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
9140 params->conf.peer_link_timeout = 0;
9141
9142 ret = nl80211_join_mesh(bss, params);
9143 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
9144 wpa_printf(MSG_DEBUG,
9145 "nl80211: Mesh join retry for peer_link_timeout");
9146 /*
9147 * Old kernel does not support setting
9148 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
9149 * into future from peer_link_timeout.
9150 */
9151 params->conf.peer_link_timeout = timeout + 60;
9152 ret = nl80211_join_mesh(priv, params);
9153 }
9154
9155 params->conf.peer_link_timeout = timeout;
9156 return ret;
9157}
9158
9159
6c1664f6
BC		 9160static int wpa_driver_nl80211_leave_mesh(void *priv)
9161{
9162 struct i802_bss *bss = priv;
9163 struct wpa_driver_nl80211_data *drv = bss->drv;
9164 struct nl_msg *msg;
9725b784 9165 int ret;
6c1664f6
BC		 9166
9167 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 9168 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 9169 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC		 9170 if (ret) {
9171 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
9172 ret, strerror(-ret));
a862e4a3
JM		 9173 } else {
9174 wpa_printf(MSG_DEBUG,
9175 "nl80211: mesh leave request send successfully");
6c1664f6 9176 }
6c1664f6 9177
f33c82d2
JM		 9178 if (wpa_driver_nl80211_set_mode(drv->first_bss,
9179 NL80211_IFTYPE_STATION)) {
9180 wpa_printf(MSG_INFO,
9181 "nl80211: Failed to set interface into station mode");
9182 }
6c1664f6
BC		 9183 return ret;
9184}
9185
9186#endif /* CONFIG_MESH */
9187
9188
ed4ddb6d
KP		 9189static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
9190 const u8 *ipaddr, int prefixlen,
9191 const u8 *addr)
71103bed
KP		 9192{
9193#ifdef CONFIG_LIBNL3_ROUTE
9194 struct i802_bss *bss = priv;
9195 struct wpa_driver_nl80211_data *drv = bss->drv;
9196 struct rtnl_neigh *rn;
9197 struct nl_addr *nl_ipaddr = NULL;
9198 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 9199 int family, addrsize;
71103bed
KP		 9200 int res;
9201
ed4ddb6d 9202 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP		 9203 return -EINVAL;
9204
9205 if (bss->br_ifindex == 0) {
9206 wpa_printf(MSG_DEBUG,
9207 "nl80211: bridge must be set before adding an ip neigh to it");
9208 return -1;
9209 }
9210
9211 if (!drv->rtnl_sk) {
9212 wpa_printf(MSG_DEBUG,
9213 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9214 return -1;
9215 }
9216
ed4ddb6d
KP		 9217 if (version == 4) {
9218 family = AF_INET;
9219 addrsize = 4;
9220 } else if (version == 6) {
9221 family = AF_INET6;
9222 addrsize = 16;
9223 } else {
9224 return -EINVAL;
9225 }
9226
71103bed
KP		 9227 rn = rtnl_neigh_alloc();
9228 if (rn == NULL)
9229 return -ENOMEM;
9230
9231 /* set the destination ip address for neigh */
ed4ddb6d 9232 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 9233 if (nl_ipaddr == NULL) {
9234 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9235 res = -ENOMEM;
9236 goto errout;
9237 }
9238 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
9239 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9240 if (res) {
9241 wpa_printf(MSG_DEBUG,
9242 "nl80211: neigh set destination addr failed");
9243 goto errout;
9244 }
9245
9246 /* set the corresponding lladdr for neigh */
9247 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
9248 if (nl_lladdr == NULL) {
9249 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
9250 res = -ENOMEM;
9251 goto errout;
9252 }
9253 rtnl_neigh_set_lladdr(rn, nl_lladdr);
9254
9255 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
9256 rtnl_neigh_set_state(rn, NUD_PERMANENT);
9257
9258 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
9259 if (res) {
9260 wpa_printf(MSG_DEBUG,
9261 "nl80211: Adding bridge ip neigh failed: %s",
9262 strerror(errno));
9263 }
9264errout:
9265 if (nl_lladdr)
9266 nl_addr_put(nl_lladdr);
9267 if (nl_ipaddr)
9268 nl_addr_put(nl_ipaddr);
9269 if (rn)
9270 rtnl_neigh_put(rn);
9271 return res;
9272#else /* CONFIG_LIBNL3_ROUTE */
9273 return -1;
9274#endif /* CONFIG_LIBNL3_ROUTE */
9275}
9276
9277
ed4ddb6d
KP		 9278static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
9279 const u8 *ipaddr)
71103bed
KP		 9280{
9281#ifdef CONFIG_LIBNL3_ROUTE
9282 struct i802_bss *bss = priv;
9283 struct wpa_driver_nl80211_data *drv = bss->drv;
9284 struct rtnl_neigh *rn;
9285 struct nl_addr *nl_ipaddr;
ed4ddb6d 9286 int family, addrsize;
71103bed
KP		 9287 int res;
9288
ed4ddb6d 9289 if (!ipaddr)
71103bed
KP		 9290 return -EINVAL;
9291
ed4ddb6d
KP		 9292 if (version == 4) {
9293 family = AF_INET;
9294 addrsize = 4;
9295 } else if (version == 6) {
9296 family = AF_INET6;
9297 addrsize = 16;
9298 } else {
9299 return -EINVAL;
9300 }
9301
71103bed
KP		 9302 if (bss->br_ifindex == 0) {
9303 wpa_printf(MSG_DEBUG,
9304 "nl80211: bridge must be set to delete an ip neigh");
9305 return -1;
9306 }
9307
9308 if (!drv->rtnl_sk) {
9309 wpa_printf(MSG_DEBUG,
9310 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9311 return -1;
9312 }
9313
9314 rn = rtnl_neigh_alloc();
9315 if (rn == NULL)
9316 return -ENOMEM;
9317
9318 /* set the destination ip address for neigh */
ed4ddb6d 9319 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 9320 if (nl_ipaddr == NULL) {
9321 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9322 res = -ENOMEM;
9323 goto errout;
9324 }
9325 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9326 if (res) {
9327 wpa_printf(MSG_DEBUG,
9328 "nl80211: neigh set destination addr failed");
9329 goto errout;
9330 }
9331
9332 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
9333
9334 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
9335 if (res) {
9336 wpa_printf(MSG_DEBUG,
9337 "nl80211: Deleting bridge ip neigh failed: %s",
9338 strerror(errno));
9339 }
9340errout:
9341 if (nl_ipaddr)
9342 nl_addr_put(nl_ipaddr);
9343 if (rn)
9344 rtnl_neigh_put(rn);
9345 return res;
9346#else /* CONFIG_LIBNL3_ROUTE */
9347 return -1;
9348#endif /* CONFIG_LIBNL3_ROUTE */
9349}
9350
9351
73d2294f
KP		 9352static int linux_write_system_file(const char *path, unsigned int val)
9353{
9354 char buf[50];
9355 int fd, len;
9356
9357 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 9358 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP		 9359 return -1;
9360
9361 fd = open(path, O_WRONLY);
9362 if (fd < 0)
9363 return -1;
9364
9365 if (write(fd, buf, len) < 0) {
9366 wpa_printf(MSG_DEBUG,
9367 "nl80211: Failed to write Linux system file: %s with the value of %d",
9368 path, val);
9369 close(fd);
9370 return -1;
9371 }
9372 close(fd);
9373
9374 return 0;
9375}
9376
9377
9378static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
9379{
9380 switch (attr) {
9381 case DRV_BR_PORT_ATTR_PROXYARP:
bea8d9a3 9382 return "proxyarp_wifi";
73d2294f
KP		 9383 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
9384 return "hairpin_mode";
9385 }
9386
9387 return NULL;
9388}
9389
9390
9391static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
9392 unsigned int val)
9393{
9394 struct i802_bss *bss = priv;
9395 char path[128];
9396 const char *attr_txt;
9397
9398 attr_txt = drv_br_port_attr_str(attr);
9399 if (attr_txt == NULL)
9400 return -EINVAL;
9401
9402 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
9403 bss->ifname, attr_txt);
9404
9405 if (linux_write_system_file(path, val))
9406 return -1;
9407
9408 return 0;
9409}
9410
9411
7565752d
KP		 9412static const char * drv_br_net_param_str(enum drv_br_net_param param)
9413{
9414 switch (param) {
9415 case DRV_BR_NET_PARAM_GARP_ACCEPT:
9416 return "arp_accept";
60eb9e17
JM		 9417 default:
9418 return NULL;
7565752d 9419 }
7565752d
KP		 9420}
9421
9422
9423static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
9424 unsigned int val)
9425{
9426 struct i802_bss *bss = priv;
9427 char path[128];
9428 const char *param_txt;
9429 int ip_version = 4;
9430
60eb9e17
JM		 9431 if (param == DRV_BR_MULTICAST_SNOOPING) {
9432 os_snprintf(path, sizeof(path),
9433 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
9434 bss->brname);
9435 goto set_val;
9436 }
9437
7565752d
KP		 9438 param_txt = drv_br_net_param_str(param);
9439 if (param_txt == NULL)
9440 return -EINVAL;
9441
9442 switch (param) {
9443 case DRV_BR_NET_PARAM_GARP_ACCEPT:
9444 ip_version = 4;
9445 break;
9446 default:
9447 return -EINVAL;
9448 }
9449
9450 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
9451 ip_version, bss->brname, param_txt);
9452
60eb9e17 9453set_val:
7565752d
KP		 9454 if (linux_write_system_file(path, val))
9455 return -1;
9456
9457 return 0;
9458}
9459
9460
b658547d
JM		 9461#ifdef CONFIG_DRIVER_NL80211_QCA
9462
16689c7c
PX		 9463static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
9464{
9465 switch (hw_mode) {
9466 case HOSTAPD_MODE_IEEE80211B:
9467 return QCA_ACS_MODE_IEEE80211B;
9468 case HOSTAPD_MODE_IEEE80211G:
9469 return QCA_ACS_MODE_IEEE80211G;
9470 case HOSTAPD_MODE_IEEE80211A:
9471 return QCA_ACS_MODE_IEEE80211A;
9472 case HOSTAPD_MODE_IEEE80211AD:
9473 return QCA_ACS_MODE_IEEE80211AD;
3784c058
PX		 9474 case HOSTAPD_MODE_IEEE80211ANY:
9475 return QCA_ACS_MODE_IEEE80211ANY;
16689c7c
PX		 9476 default:
9477 return -1;
9478 }
9479}
9480
9481
d0cdccd3
PX		 9482static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
9483{
9484 int i, len, ret;
9485 u32 *freqs;
9486
9487 if (!freq_list)
9488 return 0;
9489 len = int_array_len(freq_list);
9490 freqs = os_malloc(sizeof(u32) * len);
9491 if (!freqs)
9492 return -1;
9493 for (i = 0; i < len; i++)
9494 freqs[i] = freq_list[i];
9495 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
9496 sizeof(u32) * len, freqs);
9497 os_free(freqs);
9498 return ret;
9499}
9500
9501
16689c7c
PX		 9502static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
9503{
9504 struct i802_bss *bss = priv;
9505 struct wpa_driver_nl80211_data *drv = bss->drv;
9506 struct nl_msg *msg;
9507 struct nlattr *data;
a862e4a3 9508 int ret;
16689c7c
PX		 9509 int mode;
9510
9511 mode = hw_mode_to_qca_acs(params->hw_mode);
9512 if (mode < 0)
9513 return -1;
9514
9725b784 9515 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9516 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9517 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9518 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
9519 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9520 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
9521 (params->ht_enabled &&
9522 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
9523 (params->ht40_enabled &&
857d9422
MM		 9524 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
9525 (params->vht_enabled &&
9526 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
9527 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
9528 params->ch_width) ||
9529 (params->ch_list_len &&
9530 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
d0cdccd3
PX		 9531 params->ch_list)) ||
9532 add_acs_freq_list(msg, params->freq_list)) {
a862e4a3
JM		 9533 nlmsg_free(msg);
9534 return -ENOBUFS;
9535 }
16689c7c
PX		 9536 nla_nest_end(msg, data);
9537
857d9422
MM		 9538 wpa_printf(MSG_DEBUG,
9539 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
9540 params->hw_mode, params->ht_enabled, params->ht40_enabled,
9541 params->vht_enabled, params->ch_width, params->ch_list_len);
9542
16689c7c 9543 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX		 9544 if (ret) {
9545 wpa_printf(MSG_DEBUG,
9546 "nl80211: Failed to invoke driver ACS function: %s",
9547 strerror(errno));
9548 }
16689c7c
PX		 9549 return ret;
9550}
9551
9552
844dfeb8
SD		 9553static int nl80211_set_band(void *priv, enum set_band band)
9554{
9555 struct i802_bss *bss = priv;
9556 struct wpa_driver_nl80211_data *drv = bss->drv;
9557 struct nl_msg *msg;
9558 struct nlattr *data;
9559 int ret;
9560 enum qca_set_band qca_band;
9561
9562 if (!drv->setband_vendor_cmd_avail)
9563 return -1;
9564
9565 switch (band) {
9566 case WPA_SETBAND_AUTO:
9567 qca_band = QCA_SETBAND_AUTO;
9568 break;
9569 case WPA_SETBAND_5G:
9570 qca_band = QCA_SETBAND_5G;
9571 break;
9572 case WPA_SETBAND_2G:
9573 qca_band = QCA_SETBAND_2G;
9574 break;
9575 default:
9576 return -1;
9577 }
9578
9579 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9580 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9581 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9582 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
9583 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9584 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
9585 nlmsg_free(msg);
9586 return -ENOBUFS;
9587 }
9588 nla_nest_end(msg, data);
9589
9590 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9591 if (ret) {
9592 wpa_printf(MSG_DEBUG,
9593 "nl80211: Driver setband function failed: %s",
9594 strerror(errno));
9595 }
9596 return ret;
9597}
9598
9599
98342208
AK		 9600struct nl80211_pcl {
9601 unsigned int num;
9602 unsigned int *freq_list;
9603};
9604
9605static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
9606{
9607 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9608 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9609 struct nl80211_pcl *param = arg;
9610 struct nlattr *nl_vend, *attr;
9611 enum qca_iface_type iface_type;
9612 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
9613 unsigned int num, max_num;
9614 u32 *freqs;
9615
9616 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9617 genlmsg_attrlen(gnlh, 0), NULL);
9618
9619 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
9620 if (!nl_vend)
9621 return NL_SKIP;
9622
9623 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
9624 nla_data(nl_vend), nla_len(nl_vend), NULL);
9625
9626 attr = tb_vendor[
9627 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
9628 if (!attr) {
9629 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
9630 param->num = 0;
9631 return NL_SKIP;
9632 }
9633
9634 iface_type = (enum qca_iface_type) nla_get_u32(attr);
9635 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
9636 iface_type);
9637
9638 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
9639 if (!attr) {
9640 wpa_printf(MSG_ERROR,
9641 "nl80211: preferred_freq_list couldn't be found");
9642 param->num = 0;
9643 return NL_SKIP;
9644 }
9645
9646 /*
9647 * param->num has the maximum number of entries for which there
9648 * is room in the freq_list provided by the caller.
9649 */
9650 freqs = nla_data(attr);
9651 max_num = nla_len(attr) / sizeof(u32);
9652 if (max_num > param->num)
9653 max_num = param->num;
9654 for (num = 0; num < max_num; num++)
9655 param->freq_list[num] = freqs[num];
9656 param->num = num;
9657
9658 return NL_SKIP;
9659}
9660
9661
9662static int nl80211_get_pref_freq_list(void *priv,
9663 enum wpa_driver_if_type if_type,
9664 unsigned int *num,
9665 unsigned int *freq_list)
9666{
9667 struct i802_bss *bss = priv;
9668 struct wpa_driver_nl80211_data *drv = bss->drv;
9669 struct nl_msg *msg;
9670 int ret;
9671 unsigned int i;
9672 struct nlattr *params;
9673 struct nl80211_pcl param;
9674 enum qca_iface_type iface_type;
9675
9676 if (!drv->get_pref_freq_list)
9677 return -1;
9678
9679 switch (if_type) {
9680 case WPA_IF_STATION:
9681 iface_type = QCA_IFACE_TYPE_STA;
9682 break;
9683 case WPA_IF_AP_BSS:
9684 iface_type = QCA_IFACE_TYPE_AP;
9685 break;
9686 case WPA_IF_P2P_GO:
9687 iface_type = QCA_IFACE_TYPE_P2P_GO;
9688 break;
9689 case WPA_IF_P2P_CLIENT:
9690 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
9691 break;
9692 case WPA_IF_IBSS:
9693 iface_type = QCA_IFACE_TYPE_IBSS;
9694 break;
9695 case WPA_IF_TDLS:
9696 iface_type = QCA_IFACE_TYPE_TDLS;
9697 break;
9698 default:
9699 return -1;
9700 }
9701
9702 param.num = *num;
9703 param.freq_list = freq_list;
9704
9705 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9706 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
9707 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9708 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9709 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
9710 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9711 nla_put_u32(msg,
9712 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
9713 iface_type)) {
9714 wpa_printf(MSG_ERROR,
9715 "%s: err in adding vendor_cmd and vendor_data",
9716 __func__);
9717 nlmsg_free(msg);
9718 return -1;
9719 }
9720 nla_nest_end(msg, params);
9721
9722 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
9723 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
9724 if (ret) {
9725 wpa_printf(MSG_ERROR,
9726 "%s: err in send_and_recv_msgs", __func__);
9727 return ret;
9728 }
9729
9730 *num = param.num;
9731
9732 for (i = 0; i < *num; i++) {
9733 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
9734 i, freq_list[i]);
9735 }
9736
9737 return 0;
9738}
9739
9740
7c813acf
AK		 9741static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
9742{
9743 struct i802_bss *bss = priv;
9744 struct wpa_driver_nl80211_data *drv = bss->drv;
9745 struct nl_msg *msg;
9746 int ret;
9747 struct nlattr *params;
9748
9749 if (!drv->set_prob_oper_freq)
9750 return -1;
9751
9752 wpa_printf(MSG_DEBUG,
9753 "nl80211: Set P2P probable operating freq %u for ifindex %d",
9754 freq, bss->ifindex);
9755
9756 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9757 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9758 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9759 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
9760 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9761 nla_put_u32(msg,
9762 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
9763 QCA_IFACE_TYPE_P2P_CLIENT) ||
9764 nla_put_u32(msg,
9765 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
9766 freq)) {
9767 wpa_printf(MSG_ERROR,
9768 "%s: err in adding vendor_cmd and vendor_data",
9769 __func__);
9770 nlmsg_free(msg);
9771 return -1;
9772 }
9773 nla_nest_end(msg, params);
9774
9775 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9776 msg = NULL;
9777 if (ret) {
9778 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
9779 __func__);
9780 return ret;
9781 }
9782 nlmsg_free(msg);
9783 return 0;
9784}
9785
a6f5b193
PX		 9786
9787static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
9788 unsigned int period, unsigned int interval,
9789 unsigned int count, const u8 *device_types,
9790 size_t dev_types_len,
9791 const u8 *ies, size_t ies_len)
9792{
9793 struct i802_bss *bss = priv;
9794 struct wpa_driver_nl80211_data *drv = bss->drv;
9795 struct nl_msg *msg;
9796 struct nlattr *container;
9797 int ret;
9798
9799 wpa_printf(MSG_DEBUG,
9800 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
9801 freq, period, interval, count);
9802
9803 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
9804 return -1;
9805
9806 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9807 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9808 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9809 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
9810 goto fail;
9811
9812 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
9813 if (!container)
9814 goto fail;
9815
9816 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
9817 freq) ||
9818 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
9819 period) ||
9820 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
9821 interval) ||
9822 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
9823 count) ||
9824 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
9825 dev_types_len, device_types) ||
9826 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
9827 ies_len, ies))
9828 goto fail;
9829
9830 nla_nest_end(msg, container);
9831 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9832 msg = NULL;
9833 if (ret) {
9834 wpa_printf(MSG_DEBUG,
9835 "nl80211: Failed to send P2P Listen offload vendor command");
9836 goto fail;
9837 }
9838
9839 return 0;
9840
9841fail:
9842 nlmsg_free(msg);
9843 return -1;
9844}
9845
9846
9847static int nl80211_p2p_lo_stop(void *priv)
9848{
9849 struct i802_bss *bss = priv;
9850 struct wpa_driver_nl80211_data *drv = bss->drv;
9851 struct nl_msg *msg;
9852
9853 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
9854
9855 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
9856 return -1;
9857
9858 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9859 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9860 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9861 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
9862 nlmsg_free(msg);
9863 return -1;
9864 }
9865
9866 return send_and_recv_msgs(drv, msg, NULL, NULL);
9867}
9868
2e4e4fb7
SD		 9869
9870static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
9871{
9872 struct i802_bss *bss = priv;
9873 struct wpa_driver_nl80211_data *drv = bss->drv;
9874 struct nl_msg *msg;
9875 struct nlattr *params;
9876 int ret;
9877 u32 tdls_mode;
9878
9879 wpa_printf(MSG_DEBUG,
9880 "nl80211: Set TDKS mode: tdls_external_control=%d",
9881 tdls_external_control);
9882
9883 if (tdls_external_control == 1)
9884 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
9885 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
9886 else
9887 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
9888
9889 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9890 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9891 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9892 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
9893 goto fail;
9894
9895 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
9896 if (!params)
9897 goto fail;
9898
9899 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
9900 tdls_mode))
9901 goto fail;
9902
9903 nla_nest_end(msg, params);
9904
9905 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9906 msg = NULL;
9907 if (ret) {
9908 wpa_printf(MSG_ERROR,
9909 "nl80211: Set TDLS mode failed: ret=%d (%s)",
9910 ret, strerror(-ret));
9911 goto fail;
9912 }
9913 return 0;
9914fail:
9915 nlmsg_free(msg);
9916 return -1;
9917}
9918
3ab48492
KV		 9919
9920#ifdef CONFIG_MBO
9921
9922static enum mbo_transition_reject_reason
9923nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
9924{
9925 switch (status) {
9926 case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
9927 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
9928 case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
9929 return MBO_TRANSITION_REJECT_REASON_DELAY;
9930 case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
9931 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
9932 case QCA_STATUS_REJECT_LOW_RSSI:
9933 return MBO_TRANSITION_REJECT_REASON_RSSI;
9934 case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
9935 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
9936 case QCA_STATUS_REJECT_UNKNOWN:
9937 default:
9938 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
9939 }
9940}
9941
9942
9943static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
9944 struct nlattr *tb[], int num)
9945{
9946 enum qca_wlan_btm_candidate_status status;
9947 char buf[50];
9948
9949 os_memcpy(candidate->bssid,
9950 nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
9951 ETH_ALEN);
9952
9953 status = nla_get_u32(
9954 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
9955 candidate->is_accept = status == QCA_STATUS_ACCEPT;
9956 candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
9957
9958 if (candidate->is_accept)
9959 os_snprintf(buf, sizeof(buf), "Accepted");
9960 else
9961 os_snprintf(buf, sizeof(buf),
9962 "Rejected, Reject_reason: %d",
9963 candidate->reject_reason);
9964 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s",
9965 num, MAC2STR(candidate->bssid), buf);
9966}
9967
9968
9969static int
9970nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
9971{
9972 struct wpa_bss_candidate_info *info = arg;
9973 struct candidate_list *candidate = info->candidates;
9974 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
9975 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
9976 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
9977 static struct nla_policy policy[
9978 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
9979 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
9980 .minlen = ETH_ALEN
9981 },
9982 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
9983 .type = NLA_U32,
9984 },
9985 };
9986 struct nlattr *attr;
9987 int rem;
9988 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9989 u8 num;
9990
9991 num = info->num; /* number of candidates sent to driver */
9992 info->num = 0;
9993 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9994 genlmsg_attrlen(gnlh, 0), NULL);
9995
9996 if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
9997 nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
9998 tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
9999 !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
10000 return NL_SKIP;
10001
10002 wpa_printf(MSG_DEBUG,
10003 "nl80211: WNM Candidate list received from driver");
10004 nla_for_each_nested(attr,
10005 tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
10006 rem) {
10007 if (info->num >= num ||
10008 nla_parse_nested(
10009 tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
10010 attr, policy) ||
10011 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
10012 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
10013 break;
10014
10015 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
10016
10017 candidate++;
10018 info->num++;
10019 }
10020
10021 return NL_SKIP;
10022}
10023
10024
10025static struct wpa_bss_candidate_info *
10026nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
10027{
10028 struct i802_bss *bss = priv;
10029 struct wpa_driver_nl80211_data *drv = bss->drv;
10030 struct nl_msg *msg;
10031 struct nlattr *attr, *attr1, *attr2;
10032 struct wpa_bss_candidate_info *info;
10033 u8 i;
10034 int ret;
10035 u8 *pos;
10036
10037 if (!drv->fetch_bss_trans_status)
10038 return NULL;
10039
10040 info = os_zalloc(sizeof(*info));
10041 if (!info)
10042 return NULL;
10043 /* Allocate memory for number of candidates sent to driver */
10044 info->candidates = os_calloc(params->n_candidates,
10045 sizeof(*info->candidates));
10046 if (!info->candidates) {
10047 os_free(info);
10048 return NULL;
10049 }
10050
10051 /* Copy the number of candidates being sent to driver. This is used in
10052 * nl80211_get_bss_transition_status_handler() to limit the number of
10053 * candidates that can be populated in info->candidates and will be
10054 * later overwritten with the actual number of candidates received from
10055 * the driver.
10056 */
10057 info->num = params->n_candidates;
10058
10059 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10060 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10061 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10062 QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
10063 goto fail;
10064
10065 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10066 if (!attr)
10067 goto fail;
10068
10069 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
10070 params->mbo_transition_reason))
10071 goto fail;
10072
10073 attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
10074 if (!attr1)
10075 goto fail;
10076
10077 wpa_printf(MSG_DEBUG,
10078 "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
10079 params->mbo_transition_reason, params->n_candidates);
10080 pos = params->bssid;
10081 for (i = 0; i < params->n_candidates; i++) {
10082 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i,
10083 MAC2STR(pos));
10084 attr2 = nla_nest_start(msg, i);
10085 if (!attr2 ||
10086 nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
10087 ETH_ALEN, pos))
10088 goto fail;
10089 pos += ETH_ALEN;
10090 nla_nest_end(msg, attr2);
10091 }
10092
10093 nla_nest_end(msg, attr1);
10094 nla_nest_end(msg, attr);
10095
10096 ret = send_and_recv_msgs(drv, msg,
10097 nl80211_get_bss_transition_status_handler,
10098 info);
10099 msg = NULL;
10100 if (ret) {
10101 wpa_printf(MSG_ERROR,
10102 "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
10103 ret, strerror(-ret));
10104 goto fail;
10105 }
10106 return info;
10107
10108fail:
10109 nlmsg_free(msg);
10110 os_free(info->candidates);
10111 os_free(info);
10112 return NULL;
10113}
10114
178553b7
VK		 10115
10116/**
10117 * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
10118 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
10119 * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
10120 * Returns: 0 on success, -1 on failure
10121 */
10122static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
10123{
10124 struct i802_bss *bss = priv;
10125 struct wpa_driver_nl80211_data *drv = bss->drv;
10126 struct nl_msg *msg;
10127 struct nlattr *attr;
10128 int ret = -1;
10129
10130 if (!drv->set_wifi_conf_vendor_cmd_avail)
10131 return -1;
10132
10133 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10134 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10135 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10136 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
10137 goto fail;
10138
10139 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10140 if (!attr)
10141 goto fail;
10142
10143 wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
10144 ignore_disallow);
10145 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
10146 ignore_disallow))
10147 goto fail;
10148
10149 nla_nest_end(msg, attr);
10150
10151 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10152 msg = NULL;
10153 if (ret) {
10154 wpa_printf(MSG_ERROR,
10155 "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
10156 ret, strerror(-ret));
10157 goto fail;
10158 }
10159
10160fail:
10161 nlmsg_free(msg);
10162 return ret;
10163}
10164
3ab48492
KV		 10165#endif /* CONFIG_MBO */
10166
b658547d
JM		 10167#endif /* CONFIG_DRIVER_NL80211_QCA */
10168
7c813acf 10169
6922d440
IP		 10170static int nl80211_write_to_file(const char *name, unsigned int val)
10171{
10172 int fd, len;
10173 char tmp[128];
10174
10175 fd = open(name, O_RDWR);
10176 if (fd < 0) {
10177 wpa_printf(MSG_ERROR, "nl80211: Failed to open %s: %s",
10178 name, strerror(errno));
10179 return fd;
10180 }
10181
10182 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
10183 len = write(fd, tmp, len);
10184 if (len < 0)
10185 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
10186 name, strerror(errno));
10187 close(fd);
10188
10189 return 0;
10190}
10191
10192
10193static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
10194{
10195 struct i802_bss *bss = priv;
10196 char path[128];
10197 int ret;
10198
10199 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
10200 filter_flags);
10201
10202 /* Configure filtering of unicast frame encrypted using GTK */
10203 ret = os_snprintf(path, sizeof(path),
10204 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
10205 bss->ifname);
bd86ea08
JM		 10206 if (os_snprintf_error(sizeof(path), ret))
10207 return -1;
6922d440
IP		 10208
10209 ret = nl80211_write_to_file(path,
10210 !!(filter_flags &
10211 WPA_DATA_FRAME_FILTER_FLAG_GTK));
10212 if (ret) {
10213 wpa_printf(MSG_ERROR,
10214 "nl80211: Failed to set IPv4 unicast in multicast filter");
10215 return ret;
10216 }
10217
10218 os_snprintf(path, sizeof(path),
10219 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
10220 bss->ifname);
10221 ret = nl80211_write_to_file(path,
10222 !!(filter_flags &
10223 WPA_DATA_FRAME_FILTER_FLAG_GTK));
10224
10225 if (ret) {
10226 wpa_printf(MSG_ERROR,
10227 "nl80211: Failed to set IPv6 unicast in multicast filter");
10228 return ret;
10229 }
10230
10231 /* Configure filtering of unicast frame encrypted using GTK */
10232 os_snprintf(path, sizeof(path),
10233 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
10234 bss->ifname);
10235 ret = nl80211_write_to_file(path,
10236 !!(filter_flags &
10237 WPA_DATA_FRAME_FILTER_FLAG_ARP));
10238 if (ret) {
10239 wpa_printf(MSG_ERROR,
10240 "nl80211: Failed set gratuitous ARP filter");
10241 return ret;
10242 }
10243
10244 /* Configure filtering of IPv6 NA frames */
10245 os_snprintf(path, sizeof(path),
10246 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
10247 bss->ifname);
10248 ret = nl80211_write_to_file(path,
10249 !!(filter_flags &
10250 WPA_DATA_FRAME_FILTER_FLAG_NA));
10251 if (ret) {
10252 wpa_printf(MSG_ERROR,
10253 "nl80211: Failed to set unsolicited NA filter");
10254 return ret;
10255 }
10256
10257 return 0;
10258}
10259
10260
cc9a2575
KV		 10261static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
10262 const u8 **ext_capa, const u8 **ext_capa_mask,
10263 unsigned int *ext_capa_len)
10264{
10265 struct i802_bss *bss = priv;
10266 struct wpa_driver_nl80211_data *drv = bss->drv;
10267 enum nl80211_iftype nlmode;
10268 unsigned int i;
10269
10270 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
10271 return -1;
10272
10273 nlmode = wpa_driver_nl80211_if_type(type);
10274
10275 /* By default, use the per-radio values */
10276 *ext_capa = drv->extended_capa;
10277 *ext_capa_mask = drv->extended_capa_mask;
10278 *ext_capa_len = drv->extended_capa_len;
10279
10280 /* Replace the default value if a per-interface type value exists */
10281 for (i = 0; i < drv->num_iface_ext_capa; i++) {
10282 if (nlmode == drv->iface_ext_capa[i].iftype) {
10283 *ext_capa = drv->iface_ext_capa[i].ext_capa;
10284 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
10285 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
10286 break;
10287 }
10288 }
10289
10290 return 0;
10291}
10292
10293
3c67e977
VK		 10294static int nl80211_update_connection_params(
10295 void *priv, struct wpa_driver_associate_params *params,
10296 enum wpa_drv_update_connect_params_mask mask)
10297{
10298 struct i802_bss *bss = priv;
10299 struct wpa_driver_nl80211_data *drv = bss->drv;
10300 struct nl_msg *msg;
10301 int ret = -1;
10302 enum nl80211_auth_type type;
10303
10304 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
10305 if (!msg)
10306 goto fail;
10307
10308 wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
10309 drv->ifindex);
10310
10311 if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
10312 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
10313 params->wpa_ie))
10314 goto fail;
10315 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie,
10316 params->wpa_ie_len);
10317 }
10318
10319 if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
10320 type = get_nl_auth_type(params->auth_alg);
10321 if (type == NL80211_AUTHTYPE_MAX ||
10322 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
10323 goto fail;
10324 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
10325 }
10326
10327 if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
10328 nl80211_put_fils_connect_params(drv, params, msg))
10329 goto fail;
10330
10331 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10332 msg = NULL;
10333 if (ret)
10334 wpa_dbg(drv->ctx, MSG_DEBUG,
10335 "nl80211: Update connect params command failed: ret=%d (%s)",
10336 ret, strerror(-ret));
10337
10338fail:
10339 nlmsg_free(msg);
10340 return ret;
10341}
10342
10343
3f5285e8
JM		 10344const struct wpa_driver_ops wpa_driver_nl80211_ops = {
10345 .name = "nl80211",
10346 .desc = "Linux nl80211/cfg80211",
10347 .get_bssid = wpa_driver_nl80211_get_bssid,
10348 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 10349 .set_key = driver_nl80211_set_key,
10350 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 10351 .sched_scan = wpa_driver_nl80211_sched_scan,
10352 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 10353 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
4f30addb 10354 .abort_scan = wpa_driver_nl80211_abort_scan,
9ebce9c5
JM		 10355 .deauthenticate = driver_nl80211_deauthenticate,
10356 .authenticate = driver_nl80211_authenticate,
3f5285e8 10357 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 10358 .global_init = nl80211_global_init,
10359 .global_deinit = nl80211_global_deinit,
10360 .init2 = wpa_driver_nl80211_init,
9ebce9c5 10361 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 10362 .get_capa = wpa_driver_nl80211_get_capa,
10363 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 10364 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 10365 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 10366 .get_country = wpa_driver_nl80211_get_country,
19c3b566 10367 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 10368 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 10369 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 10370 .if_remove = driver_nl80211_if_remove,
10371 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 10372 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 10373 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 10374 .sta_remove = driver_nl80211_sta_remove,
db149ac9 10375 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 10376 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837 10377 .hapd_init = i802_init,
c5121837 10378 .hapd_deinit = i802_deinit,
f7b3920c 10379 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 10380 .get_seqnum = i802_get_seqnum,
10381 .flush = i802_flush,
c5121837
JM		 10382 .get_inact_sec = i802_get_inact_sec,
10383 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 10384 .set_rts = i802_set_rts,
10385 .set_frag = i802_set_frag,
c5121837 10386 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 10387 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 10388 .sta_deauth = i802_sta_deauth,
10389 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 10390 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 10391 .set_freq = i802_set_freq,
9ebce9c5 10392 .send_action = driver_nl80211_send_action,
5dfca53f 10393 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 10394 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
10395 .cancel_remain_on_channel =
10396 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 10397 .probe_req_report = driver_nl80211_probe_req_report,
af473088 10398 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 10399 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 10400 .resume = wpa_driver_nl80211_resume,
b625473c 10401 .signal_monitor = nl80211_signal_monitor,
1c5c7273 10402 .signal_poll = nl80211_signal_poll,
b91ab76e 10403 .send_frame = nl80211_send_frame,
c55f774d 10404 .set_param = nl80211_set_param,
6859f1cb 10405 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 10406 .add_pmkid = nl80211_add_pmkid,
10407 .remove_pmkid = nl80211_remove_pmkid,
10408 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 10409 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 10410 .poll_client = nl80211_poll_client,
29f338af 10411 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 10412 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 10413 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 10414#ifdef CONFIG_TDLS
10415 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
10416 .tdls_oper = nl80211_tdls_oper,
72b2605f
AN		 10417 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
10418 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
03ea1786 10419#endif /* CONFIG_TDLS */
6a1ce395 10420 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 10421 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 10422 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 10423 .status = wpa_driver_nl80211_status,
1c4ffa87 10424 .switch_channel = nl80211_switch_channel,
0de38036
JM		 10425#ifdef ANDROID_P2P
10426 .set_noa = wpa_driver_set_p2p_noa,
10427 .get_noa = wpa_driver_get_p2p_noa,
10428 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
10429#endif /* ANDROID_P2P */
5e2c3490 10430#ifdef ANDROID
ded14ce9 10431#ifndef ANDROID_LIB_STUB
5e2c3490 10432 .driver_cmd = wpa_driver_nl80211_driver_cmd,
ded14ce9 10433#endif /* !ANDROID_LIB_STUB */
5e2c3490 10434#endif /* ANDROID */
adef8948 10435 .vendor_cmd = nl80211_vendor_cmd,
049105b4 10436 .set_qos_map = nl80211_set_qos_map,
e4fa8b12 10437 .set_wowlan = nl80211_set_wowlan,
fee354c7 10438 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 10439#ifdef CONFIG_MESH
10440 .init_mesh = wpa_driver_nl80211_init_mesh,
10441 .join_mesh = wpa_driver_nl80211_join_mesh,
10442 .leave_mesh = wpa_driver_nl80211_leave_mesh,
10443#endif /* CONFIG_MESH */
71103bed
KP		 10444 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
10445 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 10446 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 10447 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB		 10448 .add_tx_ts = nl80211_add_ts,
10449 .del_tx_ts = nl80211_del_ts,
45e3fc72 10450 .get_ifindex = nl80211_get_ifindex,
b658547d 10451#ifdef CONFIG_DRIVER_NL80211_QCA
9607a1ae 10452 .roaming = nl80211_roaming,
16689c7c 10453 .do_acs = wpa_driver_do_acs,
844dfeb8 10454 .set_band = nl80211_set_band,
98342208 10455 .get_pref_freq_list = nl80211_get_pref_freq_list,
7c813acf 10456 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
a6f5b193
PX		 10457 .p2p_lo_start = nl80211_p2p_lo_start,
10458 .p2p_lo_stop = nl80211_p2p_lo_stop,
cc9985d1 10459 .set_default_scan_ies = nl80211_set_default_scan_ies,
2e4e4fb7 10460 .set_tdls_mode = nl80211_set_tdls_mode,
3ab48492
KV		 10461#ifdef CONFIG_MBO
10462 .get_bss_transition_status = nl80211_get_bss_transition_status,
178553b7 10463 .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
3ab48492 10464#endif /* CONFIG_MBO */
b04854ce 10465 .set_bssid_blacklist = nl80211_set_bssid_blacklist,
b658547d 10466#endif /* CONFIG_DRIVER_NL80211_QCA */
6922d440 10467 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
cc9a2575 10468 .get_ext_capab = nl80211_get_ext_capab,
3c67e977 10469 .update_connect_params = nl80211_update_connection_params,
3f5285e8 10470};
Unnamed repository; edit this file 'description' to name the repository.