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mesh: Make maximum number of peer links configurable
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
90a545cc 3 * Copyright (c) 2002-2014, 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"
f10bfc9a 32#include "l2_packet/l2_packet.h"
e2d02c29 33#include "netlink.h"
1474e6e9 34#include "linux_defines.h"
34f2f814 35#include "linux_ioctl.h"
e2d02c29
JM		 36#include "radiotap.h"
37#include "radiotap_iter.h"
8401a6b0 38#include "rfkill.h"
1474e6e9 39#include "driver_nl80211.h"
32ab4855 40
1474e6e9
JM		 41
42#ifndef CONFIG_LIBNL20
a65a9aed
JB		 43/*
44 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
45 * but when you free a socket again it will mess up its bitmap and
46 * and use the wrong number the next time it needs a socket ID.
47 * Therefore, we wrap the handle alloc/destroy and add our own pid
48 * accounting.
49 */
50static uint32_t port_bitmap[32] = { 0 };
51
52static struct nl_handle *nl80211_handle_alloc(void *cb)
53{
54 struct nl_handle *handle;
55 uint32_t pid = getpid() & 0x3FFFFF;
56 int i;
57
58 handle = nl_handle_alloc_cb(cb);
59
60 for (i = 0; i < 1024; i++) {
61 if (port_bitmap[i / 32] & (1 << (i % 32)))
62 continue;
63 port_bitmap[i / 32] |= 1 << (i % 32);
64 pid += i << 22;
65 break;
66 }
67
68 nl_socket_set_local_port(handle, pid);
69
70 return handle;
71}
72
73static void nl80211_handle_destroy(struct nl_handle *handle)
74{
75 uint32_t port = nl_socket_get_local_port(handle);
76
77 port >>= 22;
78 port_bitmap[port / 32] &= ~(1 << (port % 32));
79
80 nl_handle_destroy(handle);
81}
c5121837
JM		 82#endif /* CONFIG_LIBNL20 */
83
c5121837 84
1c6edec6
JM		 85#ifdef ANDROID
86/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
1c6edec6
JM		 87#undef nl_socket_set_nonblocking
88#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
70a96c81
JM		 89
90#define genl_ctrl_resolve android_genl_ctrl_resolve
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{
10b85921 135 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 136 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
137 eloop_data, *handle);
10b85921 138 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 139}
140
141
142static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
143{
10b85921 144 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 145 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
146 nl_destroy_handles(handle);
147}
148
149
36d84860
BG		 150static void nl80211_global_deinit(void *priv);
151
9ebce9c5 152static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
4ec68377
JD		 153static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
154 struct hostapd_freq_params *freq);
3c5d34e3 155
362f781e 156static int
0d547d5f 157wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 158 const u8 *set_addr, int first,
159 const char *driver_params);
88df0ef7 160static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 161 unsigned int freq, unsigned int wait,
b106173a 162 const u8 *buf, size_t buf_len, u64 *cookie,
88df0ef7 163 int no_cck, int no_ack, int offchanok);
9ebce9c5
JM		 164static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
165 int report);
0915d02c 166
2135f224
JM		 167static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
168static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
97cfcf64 169static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
072ad14c 170
e87ef751
PX		 171static int nl80211_set_channel(struct i802_bss *bss,
172 struct hostapd_freq_params *freq, int set_chan);
4e5cb1a3
JM		 173static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
174 int ifindex, int disabled);
504e905c 175
666e508c
JM		 176static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
177 int reset_mode);
21bdbe38 178
bf83eab5 179static int i802_set_iface_flags(struct i802_bss *bss, int up);
0ecff8d7 180static int nl80211_set_param(void *priv, const char *param);
bf83eab5 181
3f5285e8 182
8d1fdde7 183/* Converts nl80211_chan_width to a common format */
f3407c66 184enum chan_width convert2width(int width)
8d1fdde7
JD		 185{
186 switch (width) {
187 case NL80211_CHAN_WIDTH_20_NOHT:
188 return CHAN_WIDTH_20_NOHT;
189 case NL80211_CHAN_WIDTH_20:
190 return CHAN_WIDTH_20;
191 case NL80211_CHAN_WIDTH_40:
192 return CHAN_WIDTH_40;
193 case NL80211_CHAN_WIDTH_80:
194 return CHAN_WIDTH_80;
195 case NL80211_CHAN_WIDTH_80P80:
196 return CHAN_WIDTH_80P80;
197 case NL80211_CHAN_WIDTH_160:
198 return CHAN_WIDTH_160;
199 }
200 return CHAN_WIDTH_UNKNOWN;
201}
202
203
f3407c66 204int is_ap_interface(enum nl80211_iftype nlmode)
b1f625e0 205{
0e80ea2c
JM		 206 return nlmode == NL80211_IFTYPE_AP ||
207 nlmode == NL80211_IFTYPE_P2P_GO;
b1f625e0
EP		 208}
209
210
477af8f8 211int is_sta_interface(enum nl80211_iftype nlmode)
b1f625e0 212{
0e80ea2c
JM		 213 return nlmode == NL80211_IFTYPE_STATION ||
214 nlmode == NL80211_IFTYPE_P2P_CLIENT;
b1f625e0
EP		 215}
216
217
6a71413e 218static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2 219{
0e80ea2c
JM		 220 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
221 nlmode == NL80211_IFTYPE_P2P_GO;
b3af99d2
JM		 222}
223
224
f3407c66
JM		 225struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
226 int ifindex)
5dfbd725
JM		 227{
228 struct i802_bss *bss;
229
230 for (bss = drv->first_bss; bss; bss = bss->next) {
231 if (bss->ifindex == ifindex)
232 return bss;
233 }
234
235 return NULL;
236}
237
238
afb0550a
BC		 239static int is_mesh_interface(enum nl80211_iftype nlmode)
240{
241 return nlmode == NL80211_IFTYPE_MESH_POINT;
242}
243
244
f3407c66 245void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
add9b7a4
JM		 246{
247 if (drv->associated)
248 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
249 drv->associated = 0;
250 os_memset(drv->bssid, 0, ETH_ALEN);
251}
252
253
6241fcb1
JM		 254/* nl80211 code */
255static int ack_handler(struct nl_msg *msg, void *arg)
256{
257 int *err = arg;
258 *err = 0;
259 return NL_STOP;
260}
261
262static int finish_handler(struct nl_msg *msg, void *arg)
263{
8e8df255
JM		 264 int *ret = arg;
265 *ret = 0;
6241fcb1
JM		 266 return NL_SKIP;
267}
268
269static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
270 void *arg)
271{
272 int *ret = arg;
273 *ret = err->error;
274 return NL_SKIP;
275}
276
5b7b85f6
JM		 277
278static int no_seq_check(struct nl_msg *msg, void *arg)
279{
280 return NL_OK;
281}
282
283
d6c9aab8 284static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 285 struct nl_handle *nl_handle, struct nl_msg *msg,
286 int (*valid_handler)(struct nl_msg *, void *),
287 void *valid_data)
6241fcb1
JM		 288{
289 struct nl_cb *cb;
290 int err = -ENOMEM;
291
9725b784
JM		 292 if (!msg)
293 return -ENOMEM;
294
d6c9aab8 295 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 296 if (!cb)
297 goto out;
298
58f6fbe0 299 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 300 if (err < 0)
301 goto out;
302
303 err = 1;
304
305 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 306 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 307 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
308
309 if (valid_handler)
310 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
311 valid_handler, valid_data);
312
34068ac3
JM		 313 while (err > 0) {
314 int res = nl_recvmsgs(nl_handle, cb);
d3d04831 315 if (res < 0) {
34068ac3
JM		 316 wpa_printf(MSG_INFO,
317 "nl80211: %s->nl_recvmsgs failed: %d",
318 __func__, res);
319 }
320 }
6241fcb1
JM		 321 out:
322 nl_cb_put(cb);
323 nlmsg_free(msg);
324 return err;
325}
326
327
f3407c66
JM		 328int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
329 struct nl_msg *msg,
330 int (*valid_handler)(struct nl_msg *, void *),
331 void *valid_data)
58f6fbe0 332{
481234cf 333 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 334 valid_handler, valid_data);
58f6fbe0
JM		 335}
336
337
97865538
JM		 338struct family_data {
339 const char *group;
340 int id;
341};
342
343
344static int family_handler(struct nl_msg *msg, void *arg)
345{
346 struct family_data *res = arg;
347 struct nlattr *tb[CTRL_ATTR_MAX + 1];
348 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
349 struct nlattr *mcgrp;
350 int i;
351
352 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
353 genlmsg_attrlen(gnlh, 0), NULL);
354 if (!tb[CTRL_ATTR_MCAST_GROUPS])
355 return NL_SKIP;
356
357 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
358 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
359 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
360 nla_len(mcgrp), NULL);
361 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
362 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
363 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
364 res->group,
365 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
366 continue;
367 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
368 break;
369 };
370
371 return NL_SKIP;
372}
373
374
d6c9aab8 375static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 376 const char *family, const char *group)
377{
378 struct nl_msg *msg;
a862e4a3 379 int ret;
97865538
JM		 380 struct family_data res = { group, -ENOENT };
381
382 msg = nlmsg_alloc();
383 if (!msg)
384 return -ENOMEM;
a862e4a3
JM		 385 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
386 0, 0, CTRL_CMD_GETFAMILY, 0) ||
387 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
388 nlmsg_free(msg);
389 return -1;
390 }
97865538 391
1033315f 392 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
97865538
JM		 393 if (ret == 0)
394 ret = res.id;
97865538
JM		 395 return ret;
396}
397
398
f3407c66
JM		 399void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
400 struct nl_msg *msg, int flags, uint8_t cmd)
9fb04070 401{
335d42b1 402 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 403 0, flags, cmd, 0);
9fb04070
JM		 404}
405
406
350acc35
JM		 407static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
408{
409 if (bss->wdev_id_set)
410 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
411 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
412}
413
414
07c7757c
JM		 415struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
416{
417 struct nl_msg *msg;
418
419 msg = nlmsg_alloc();
420 if (!msg)
421 return NULL;
422
423 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
424 nl80211_set_iface_id(msg, bss) < 0) {
425 nlmsg_free(msg);
426 return NULL;
427 }
428
429 return msg;
430}
431
432
433static struct nl_msg *
434nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
435 int flags, uint8_t cmd)
436{
437 struct nl_msg *msg;
438
439 msg = nlmsg_alloc();
440 if (!msg)
441 return NULL;
442
443 if (!nl80211_cmd(drv, msg, flags, cmd) ||
444 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
445 nlmsg_free(msg);
446 return NULL;
447 }
448
449 return msg;
450}
451
452
453struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
454 uint8_t cmd)
455{
456 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
457}
458
459
460struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
461{
462 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
463}
464
465
e32ad281
JB		 466struct wiphy_idx_data {
467 int wiphy_idx;
01517c8b 468 enum nl80211_iftype nlmode;
597b94f5 469 u8 *macaddr;
e32ad281
JB		 470};
471
472
473static int netdev_info_handler(struct nl_msg *msg, void *arg)
474{
475 struct nlattr *tb[NL80211_ATTR_MAX + 1];
476 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
477 struct wiphy_idx_data *info = arg;
478
479 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
480 genlmsg_attrlen(gnlh, 0), NULL);
481
482 if (tb[NL80211_ATTR_WIPHY])
483 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
484
01517c8b
JB		 485 if (tb[NL80211_ATTR_IFTYPE])
486 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
487
597b94f5
AS		 488 if (tb[NL80211_ATTR_MAC] && info->macaddr)
489 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
490 ETH_ALEN);
491
e32ad281
JB		 492 return NL_SKIP;
493}
494
495
f3407c66 496int nl80211_get_wiphy_index(struct i802_bss *bss)
e32ad281
JB		 497{
498 struct nl_msg *msg;
499 struct wiphy_idx_data data = {
500 .wiphy_idx = -1,
597b94f5 501 .macaddr = NULL,
e32ad281
JB		 502 };
503
56f77852 504 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 505 return -1;
e32ad281
JB		 506
507 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
508 return data.wiphy_idx;
e32ad281
JB		 509 return -1;
510}
511
512
01517c8b
JB		 513static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
514{
515 struct nl_msg *msg;
516 struct wiphy_idx_data data = {
597b94f5
AS		 517 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
518 .macaddr = NULL,
01517c8b
JB		 519 };
520
56f77852 521 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 522 return NL80211_IFTYPE_UNSPECIFIED;
01517c8b
JB		 523
524 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
525 return data.nlmode;
01517c8b
JB		 526 return NL80211_IFTYPE_UNSPECIFIED;
527}
01517c8b
JB		 528
529
597b94f5
AS		 530static int nl80211_get_macaddr(struct i802_bss *bss)
531{
532 struct nl_msg *msg;
533 struct wiphy_idx_data data = {
534 .macaddr = bss->addr,
535 };
536
56f77852 537 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 538 return -1;
597b94f5 539
597b94f5 540 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
597b94f5 541}
597b94f5
AS		 542
543
e32ad281
JB		 544static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
545 struct nl80211_wiphy_data *w)
546{
547 struct nl_msg *msg;
a862e4a3 548 int ret;
e32ad281
JB		 549
550 msg = nlmsg_alloc();
551 if (!msg)
552 return -1;
553
a862e4a3
JM		 554 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
555 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
556 nlmsg_free(msg);
557 return -1;
558 }
e32ad281 559
481234cf 560 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 561 if (ret) {
562 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
563 "failed: ret=%d (%s)",
564 ret, strerror(-ret));
e32ad281 565 }
e32ad281
JB		 566 return ret;
567}
568
569
570static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
571{
572 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 573 int res;
e32ad281 574
ee9fc67a 575 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 576
34068ac3 577 res = nl_recvmsgs(handle, w->nl_cb);
d3d04831 578 if (res < 0) {
34068ac3
JM		 579 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
580 __func__, res);
581 }
e32ad281
JB		 582}
583
584
585static int process_beacon_event(struct nl_msg *msg, void *arg)
586{
587 struct nl80211_wiphy_data *w = arg;
588 struct wpa_driver_nl80211_data *drv;
589 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
590 struct nlattr *tb[NL80211_ATTR_MAX + 1];
591 union wpa_event_data event;
592
593 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
594 genlmsg_attrlen(gnlh, 0), NULL);
595
596 if (gnlh->cmd != NL80211_CMD_FRAME) {
597 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
598 gnlh->cmd);
599 return NL_SKIP;
600 }
601
602 if (!tb[NL80211_ATTR_FRAME])
603 return NL_SKIP;
604
605 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
606 wiphy_list) {
607 os_memset(&event, 0, sizeof(event));
608 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
609 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
610 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
611 }
612
613 return NL_SKIP;
614}
615
616
617static struct nl80211_wiphy_data *
618nl80211_get_wiphy_data_ap(struct i802_bss *bss)
619{
620 static DEFINE_DL_LIST(nl80211_wiphys);
621 struct nl80211_wiphy_data *w;
622 int wiphy_idx, found = 0;
623 struct i802_bss *tmp_bss;
624
625 if (bss->wiphy_data != NULL)
626 return bss->wiphy_data;
627
628 wiphy_idx = nl80211_get_wiphy_index(bss);
629
630 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
631 if (w->wiphy_idx == wiphy_idx)
632 goto add;
633 }
634
635 /* alloc new one */
636 w = os_zalloc(sizeof(*w));
637 if (w == NULL)
638 return NULL;
639 w->wiphy_idx = wiphy_idx;
640 dl_list_init(&w->bsss);
641 dl_list_init(&w->drvs);
642
643 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
644 if (!w->nl_cb) {
645 os_free(w);
646 return NULL;
647 }
648 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
649 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
650 w);
651
481234cf
JM		 652 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
653 "wiphy beacons");
654 if (w->nl_beacons == NULL) {
e32ad281
JB		 655 os_free(w);
656 return NULL;
657 }
658
659 if (nl80211_register_beacons(bss->drv, w)) {
660 nl_destroy_handles(&w->nl_beacons);
661 os_free(w);
662 return NULL;
663 }
664
5f65e9f7 665 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
e32ad281
JB		 666
667 dl_list_add(&nl80211_wiphys, &w->list);
668
669add:
670 /* drv entry for this bss already there? */
671 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
672 if (tmp_bss->drv == bss->drv) {
673 found = 1;
674 break;
675 }
676 }
677 /* if not add it */
678 if (!found)
679 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
680
681 dl_list_add(&w->bsss, &bss->wiphy_list);
682 bss->wiphy_data = w;
683 return w;
684}
685
686
687static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
688{
689 struct nl80211_wiphy_data *w = bss->wiphy_data;
690 struct i802_bss *tmp_bss;
691 int found = 0;
692
693 if (w == NULL)
694 return;
695 bss->wiphy_data = NULL;
696 dl_list_del(&bss->wiphy_list);
697
698 /* still any for this drv present? */
699 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
700 if (tmp_bss->drv == bss->drv) {
701 found = 1;
702 break;
703 }
704 }
705 /* if not remove it */
706 if (!found)
707 dl_list_del(&bss->drv->wiphy_list);
708
709 if (!dl_list_empty(&w->bsss))
710 return;
711
5f65e9f7 712 nl80211_destroy_eloop_handle(&w->nl_beacons);
e32ad281
JB		 713
714 nl_cb_put(w->nl_cb);
e32ad281
JB		 715 dl_list_del(&w->list);
716 os_free(w);
717}
718
719
3f5285e8
JM		 720static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
721{
a2e40bb6
FF		 722 struct i802_bss *bss = priv;
723 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 724 if (!drv->associated)
725 return -1;
726 os_memcpy(bssid, drv->bssid, ETH_ALEN);
727 return 0;
3f5285e8
JM		 728}
729
730
3f5285e8
JM		 731static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
732{
a2e40bb6
FF		 733 struct i802_bss *bss = priv;
734 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 735 if (!drv->associated)
736 return -1;
737 os_memcpy(ssid, drv->ssid, drv->ssid_len);
738 return drv->ssid_len;
3f5285e8
JM		 739}
740
741
90a545cc
JM		 742static void wpa_driver_nl80211_event_newlink(
743 struct wpa_driver_nl80211_data *drv, char *ifname)
3f5285e8
JM		 744{
745 union wpa_event_data event;
746
90a545cc
JM		 747 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
748 if (if_nametoindex(drv->first_bss->ifname) == 0) {
749 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
750 drv->first_bss->ifname);
751 return;
752 }
753 if (!drv->if_removed)
754 return;
755 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
756 drv->first_bss->ifname);
757 drv->if_removed = 0;
758 }
759
3f5285e8 760 os_memset(&event, 0, sizeof(event));
90a545cc
JM		 761 os_strlcpy(event.interface_status.ifname, ifname,
762 sizeof(event.interface_status.ifname));
763 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
764 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
765}
766
767
768static void wpa_driver_nl80211_event_dellink(
769 struct wpa_driver_nl80211_data *drv, char *ifname)
770{
771 union wpa_event_data event;
772
773 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
774 if (drv->if_removed) {
775 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
776 ifname);
777 return;
d1f4942b 778 }
90a545cc
JM		 779 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
780 ifname);
781 drv->if_removed = 1;
782 } else {
783 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
784 ifname);
7524cfb1
JM		 785 }
786
90a545cc
JM		 787 os_memset(&event, 0, sizeof(event));
788 os_strlcpy(event.interface_status.ifname, ifname,
789 sizeof(event.interface_status.ifname));
790 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
08063178 791 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
3f5285e8
JM		 792}
793
794
7524cfb1 795static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 796 u8 *buf, size_t len)
7524cfb1 797{
62d680c3 798 int attrlen, rta_len;
7524cfb1
JM		 799 struct rtattr *attr;
800
62d680c3
JM		 801 attrlen = len;
802 attr = (struct rtattr *) buf;
7524cfb1
JM		 803
804 rta_len = RTA_ALIGN(sizeof(struct rtattr));
805 while (RTA_OK(attr, attrlen)) {
806 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 807 if (os_strcmp(((char *) attr) + rta_len,
808 drv->first_bss->ifname) == 0)
7524cfb1
JM		 809 return 1;
810 else
811 break;
812 }
813 attr = RTA_NEXT(attr, attrlen);
814 }
815
816 return 0;
817}
818
819
820static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 821 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 822{
823 if (drv->ifindex == ifindex)
824 return 1;
825
62d680c3 826 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
7524cfb1
JM		 827 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
828 "interface");
0ecff8d7 829 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
7524cfb1
JM		 830 return 1;
831 }
832
833 return 0;
834}
835
836
36d84860
BG		 837static struct wpa_driver_nl80211_data *
838nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
839{
840 struct wpa_driver_nl80211_data *drv;
841 dl_list_for_each(drv, &global->interfaces,
842 struct wpa_driver_nl80211_data, list) {
843 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
844 have_ifidx(drv, idx))
845 return drv;
846 }
847 return NULL;
848}
849
850
62d680c3
JM		 851static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
852 struct ifinfomsg *ifi,
853 u8 *buf, size_t len)
3f5285e8 854{
36d84860
BG		 855 struct nl80211_global *global = ctx;
856 struct wpa_driver_nl80211_data *drv;
90a545cc 857 int attrlen;
62d680c3 858 struct rtattr *attr;
97cfcf64 859 u32 brid = 0;
aef85ba2 860 char namebuf[IFNAMSIZ];
90a545cc
JM		 861 char ifname[IFNAMSIZ + 1];
862 char extra[100], *pos, *end;
3f5285e8 863
36d84860
BG		 864 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
865 if (!drv) {
90a545cc
JM		 866 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d",
867 ifi->ifi_index);
3f5285e8
JM		 868 return;
869 }
870
90a545cc
JM		 871 extra[0] = '\0';
872 pos = extra;
873 end = pos + sizeof(extra);
874 ifname[0] = '\0';
875
876 attrlen = len;
877 attr = (struct rtattr *) buf;
878 while (RTA_OK(attr, attrlen)) {
879 switch (attr->rta_type) {
880 case IFLA_IFNAME:
881 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
882 break;
883 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
884 ifname[RTA_PAYLOAD(attr)] = '\0';
885 break;
886 case IFLA_MASTER:
887 brid = nla_get_u32((struct nlattr *) attr);
888 pos += os_snprintf(pos, end - pos, " master=%u", brid);
889 break;
890 case IFLA_WIRELESS:
891 pos += os_snprintf(pos, end - pos, " wext");
892 break;
893 case IFLA_OPERSTATE:
894 pos += os_snprintf(pos, end - pos, " operstate=%u",
895 nla_get_u32((struct nlattr *) attr));
896 break;
897 case IFLA_LINKMODE:
898 pos += os_snprintf(pos, end - pos, " linkmode=%u",
899 nla_get_u32((struct nlattr *) attr));
900 break;
901 }
902 attr = RTA_NEXT(attr, attrlen);
903 }
904 extra[sizeof(extra) - 1] = '\0';
905
f2e90835
JM		 906 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
907 ifi->ifi_index, ifname, extra, ifi->ifi_family,
908 ifi->ifi_flags,
3f5285e8
JM		 909 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
910 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
911 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
912 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4
JM		 913
914 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
59d24925
JM		 915 if (if_indextoname(ifi->ifi_index, namebuf) &&
916 linux_iface_up(drv->global->ioctl_sock,
834ee56f 917 drv->first_bss->ifname) > 0) {
59d24925
JM		 918 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
919 "event since interface %s is up", namebuf);
7a94120e 920 drv->ignore_if_down_event = 0;
59d24925
JM		 921 return;
922 }
a63063b4 923 wpa_printf(MSG_DEBUG, "nl80211: Interface down");
7d9c3698
JM		 924 if (drv->ignore_if_down_event) {
925 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
926 "event generated by mode change");
927 drv->ignore_if_down_event = 0;
928 } else {
929 drv->if_disabled = 1;
930 wpa_supplicant_event(drv->ctx,
931 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO		 932
933 /*
934 * Try to get drv again, since it may be removed as
935 * part of the EVENT_INTERFACE_DISABLED handling for
936 * dynamic interfaces
937 */
938 drv = nl80211_find_drv(global, ifi->ifi_index,
939 buf, len);
940 if (!drv)
941 return;
7d9c3698 942 }
a63063b4
JM		 943 }
944
945 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2
JM		 946 if (if_indextoname(ifi->ifi_index, namebuf) &&
947 linux_iface_up(drv->global->ioctl_sock,
834ee56f 948 drv->first_bss->ifname) == 0) {
aef85ba2
JM		 949 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
950 "event since interface %s is down",
951 namebuf);
834ee56f 952 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 953 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
954 "event since interface %s does not exist",
834ee56f 955 drv->first_bss->ifname);
d1f4942b
JM		 956 } else if (drv->if_removed) {
957 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
958 "event since interface %s is marked "
834ee56f 959 "removed", drv->first_bss->ifname);
aef85ba2 960 } else {
3e0272ca
DW		 961 struct i802_bss *bss;
962 u8 addr[ETH_ALEN];
963
964 /* Re-read MAC address as it may have changed */
965 bss = get_bss_ifindex(drv, ifi->ifi_index);
966 if (bss &&
967 linux_get_ifhwaddr(drv->global->ioctl_sock,
968 bss->ifname, addr) < 0) {
969 wpa_printf(MSG_DEBUG,
970 "nl80211: %s: failed to re-read MAC address",
971 bss->ifname);
972 } else if (bss &&
973 os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
974 wpa_printf(MSG_DEBUG,
975 "nl80211: Own MAC address on ifindex %d (%s) changed from "
976 MACSTR " to " MACSTR,
977 ifi->ifi_index, bss->ifname,
978 MAC2STR(bss->addr),
979 MAC2STR(addr));
980 os_memcpy(bss->addr, addr, ETH_ALEN);
981 }
982
aef85ba2
JM		 983 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
984 drv->if_disabled = 0;
985 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
986 NULL);
987 }
a63063b4
JM		 988 }
989
3f5285e8
JM		 990 /*
991 * Some drivers send the association event before the operup event--in
992 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
993 * fails. This will hit us when wpa_supplicant does not need to do
994 * IEEE 802.1X authentication
995 */
996 if (drv->operstate == 1 &&
997 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM		 998 !(ifi->ifi_flags & IFF_RUNNING)) {
999 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1000 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1001 -1, IF_OPER_UP);
3f5285e8 1002 }
97cfcf64 1003
90a545cc
JM		 1004 if (ifname[0])
1005 wpa_driver_nl80211_event_newlink(drv, ifname);
1006
97cfcf64 1007 if (ifi->ifi_family == AF_BRIDGE && brid) {
392dfd37
JM		 1008 struct i802_bss *bss;
1009
97cfcf64 1010 /* device has been added to bridge */
97cfcf64
B		 1011 if_indextoname(brid, namebuf);
1012 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1013 brid, namebuf);
1014 add_ifidx(drv, brid);
392dfd37
JM		 1015
1016 for (bss = drv->first_bss; bss; bss = bss->next) {
1017 if (os_strcmp(ifname, bss->ifname) == 0) {
1018 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1019 break;
1020 }
1021 }
97cfcf64 1022 }
3f5285e8
JM		 1023}
1024
1025
62d680c3
JM		 1026static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1027 struct ifinfomsg *ifi,
1028 u8 *buf, size_t len)
3f5285e8 1029{
36d84860
BG		 1030 struct nl80211_global *global = ctx;
1031 struct wpa_driver_nl80211_data *drv;
90a545cc 1032 int attrlen;
62d680c3 1033 struct rtattr *attr;
97cfcf64 1034 u32 brid = 0;
90a545cc 1035 char ifname[IFNAMSIZ + 1];
f2e90835 1036 char extra[100], *pos, *end;
3f5285e8 1037
36d84860
BG		 1038 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1039 if (!drv) {
90a545cc
JM		 1040 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d",
1041 ifi->ifi_index);
36d84860
BG		 1042 return;
1043 }
1044
f2e90835
JM		 1045 extra[0] = '\0';
1046 pos = extra;
1047 end = pos + sizeof(extra);
90a545cc
JM		 1048 ifname[0] = '\0';
1049
62d680c3
JM		 1050 attrlen = len;
1051 attr = (struct rtattr *) buf;
3f5285e8 1052 while (RTA_OK(attr, attrlen)) {
90a545cc
JM		 1053 switch (attr->rta_type) {
1054 case IFLA_IFNAME:
1055 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1056 break;
1057 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1058 ifname[RTA_PAYLOAD(attr)] = '\0';
1059 break;
1060 case IFLA_MASTER:
97cfcf64 1061 brid = nla_get_u32((struct nlattr *) attr);
f2e90835
JM		 1062 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1063 break;
1064 case IFLA_OPERSTATE:
1065 pos += os_snprintf(pos, end - pos, " operstate=%u",
1066 nla_get_u32((struct nlattr *) attr));
1067 break;
1068 case IFLA_LINKMODE:
1069 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1070 nla_get_u32((struct nlattr *) attr));
90a545cc
JM		 1071 break;
1072 }
3f5285e8
JM		 1073 attr = RTA_NEXT(attr, attrlen);
1074 }
f2e90835
JM		 1075 extra[sizeof(extra) - 1] = '\0';
1076
1077 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1078 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1079 ifi->ifi_flags,
1080 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1081 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1082 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1083 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
97cfcf64 1084
728ff2f4 1085 if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid))
90a545cc
JM		 1086 wpa_driver_nl80211_event_dellink(drv, ifname);
1087
97cfcf64
B		 1088 if (ifi->ifi_family == AF_BRIDGE && brid) {
1089 /* device has been removed from bridge */
1090 char namebuf[IFNAMSIZ];
1091 if_indextoname(brid, namebuf);
1092 wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
1093 "%s", brid, namebuf);
1094 del_ifidx(drv, brid);
1095 }
3f5285e8
JM		 1096}
1097
1098
f3407c66 1099unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
f5a8d422
JM		 1100{
1101 struct nl_msg *msg;
1102 int ret;
1103 struct nl80211_bss_info_arg arg;
1104
9725b784 1105 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422 1106 os_memset(&arg, 0, sizeof(arg));
f5a8d422
JM		 1107 arg.drv = drv;
1108 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
f5a8d422 1109 if (ret == 0) {
c7caac56
JM		 1110 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1111 arg.ibss_freq : arg.assoc_freq;
f5a8d422 1112 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
c7caac56
JM		 1113 "associated BSS from scan results: %u MHz", freq);
1114 if (freq)
1115 drv->assoc_freq = freq;
30158a0d 1116 return drv->assoc_freq;
f5a8d422
JM		 1117 }
1118 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1119 "(%s)", ret, strerror(-ret));
f5a8d422
JM		 1120 return drv->assoc_freq;
1121}
1122
1123
60a972a6
JM		 1124static int get_link_signal(struct nl_msg *msg, void *arg)
1125{
1126 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1127 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1128 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1129 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1130 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1131 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1132 };
7ee35bf3
PS		 1133 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1134 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1135 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1136 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1137 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1138 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1139 };
1c5c7273 1140 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1141
1142 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1143 genlmsg_attrlen(gnlh, 0), NULL);
1144 if (!tb[NL80211_ATTR_STA_INFO] ||
1145 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1146 tb[NL80211_ATTR_STA_INFO], policy))
1147 return NL_SKIP;
1148 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1149 return NL_SKIP;
1150
7ee35bf3
PS		 1151 sig_change->current_signal =
1152 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1153
95783298
AO		 1154 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1155 sig_change->avg_signal =
1156 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1157 else
1158 sig_change->avg_signal = 0;
1159
7ee35bf3
PS		 1160 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1161 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1162 sinfo[NL80211_STA_INFO_TX_BITRATE],
1163 rate_policy)) {
1164 sig_change->current_txrate = 0;
1165 } else {
1166 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1167 sig_change->current_txrate =
1168 nla_get_u16(rinfo[
1169 NL80211_RATE_INFO_BITRATE]) * 100;
1170 }
1171 }
1172 }
1173
60a972a6
JM		 1174 return NL_SKIP;
1175}
1176
1177
f3407c66
JM		 1178int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1179 struct wpa_signal_info *sig)
60a972a6
JM		 1180{
1181 struct nl_msg *msg;
1182
7ee35bf3
PS		 1183 sig->current_signal = -9999;
1184 sig->current_txrate = 0;
60a972a6 1185
9725b784 1186 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
a862e4a3
JM		 1187 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1188 nlmsg_free(msg);
1189 return -ENOBUFS;
1190 }
60a972a6
JM		 1191
1192 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
60a972a6
JM		 1193}
1194
1195
7ee35bf3
PS		 1196static int get_link_noise(struct nl_msg *msg, void *arg)
1197{
1198 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1199 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1200 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1201 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1202 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1203 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1204 };
1c5c7273 1205 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 1206
1207 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1208 genlmsg_attrlen(gnlh, 0), NULL);
1209
1210 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1211 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1212 return NL_SKIP;
1213 }
1214
1215 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1216 tb[NL80211_ATTR_SURVEY_INFO],
1217 survey_policy)) {
1218 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1219 "attributes!");
1220 return NL_SKIP;
1221 }
1222
1223 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1224 return NL_SKIP;
1225
1226 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1227 sig_change->frequency)
1228 return NL_SKIP;
1229
1230 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1231 return NL_SKIP;
1232
1233 sig_change->current_noise =
1234 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1235
1236 return NL_SKIP;
1237}
1238
1239
f3407c66
JM		 1240int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1241 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 1242{
1243 struct nl_msg *msg;
1244
1245 sig_change->current_noise = 9999;
1246 sig_change->frequency = drv->assoc_freq;
1247
9725b784 1248 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3 1249 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
7ee35bf3
PS		 1250}
1251
1252
97865538 1253static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 1254 void *handle)
97865538 1255{
a4ae123c 1256 struct nl_cb *cb = eloop_ctx;
34068ac3 1257 int res;
97865538 1258
cc2ada86 1259 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 1260
34068ac3 1261 res = nl_recvmsgs(handle, cb);
d3d04831 1262 if (res < 0) {
34068ac3
JM		 1263 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1264 __func__, res);
1265 }
97865538
JM		 1266}
1267
1268
6d158490
LR		 1269/**
1270 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1271 * @priv: driver_nl80211 private data
1272 * @alpha2_arg: country to which to switch to
1273 * Returns: 0 on success, -1 on failure
1274 *
1275 * This asks nl80211 to set the regulatory domain for given
1276 * country ISO / IEC alpha2.
1277 */
1278static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1279{
a2e40bb6
FF		 1280 struct i802_bss *bss = priv;
1281 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 1282 char alpha2[3];
1283 struct nl_msg *msg;
1284
1285 msg = nlmsg_alloc();
1286 if (!msg)
e785c2ba 1287 return -ENOMEM;
6d158490
LR		 1288
1289 alpha2[0] = alpha2_arg[0];
1290 alpha2[1] = alpha2_arg[1];
1291 alpha2[2] = '\0';
1292
a862e4a3
JM		 1293 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1294 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1295 nlmsg_free(msg);
1296 return -EINVAL;
1297 }
6d158490
LR		 1298 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1299 return -EINVAL;
1300 return 0;
6d158490
LR		 1301}
1302
1303
f0793bf1
JM		 1304static int nl80211_get_country(struct nl_msg *msg, void *arg)
1305{
1306 char *alpha2 = arg;
1307 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1308 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1309
1310 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1311 genlmsg_attrlen(gnlh, 0), NULL);
1312 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1313 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1314 return NL_SKIP;
1315 }
1316 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1317 return NL_SKIP;
1318}
1319
1320
1321static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1322{
1323 struct i802_bss *bss = priv;
1324 struct wpa_driver_nl80211_data *drv = bss->drv;
1325 struct nl_msg *msg;
1326 int ret;
1327
1328 msg = nlmsg_alloc();
1329 if (!msg)
1330 return -ENOMEM;
1331
1332 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1333 alpha2[0] = '\0';
1334 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1335 if (!alpha2[0])
1336 ret = -1;
1337
1338 return ret;
1339}
1340
1341
2a7b66f5
BG		 1342static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1343{
d6c9aab8
JB		 1344 int ret;
1345
2a7b66f5
BG		 1346 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1347 if (global->nl_cb == NULL) {
1348 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1349 "callbacks");
1350 return -1;
1351 }
1352
481234cf
JM		 1353 global->nl = nl_create_handle(global->nl_cb, "nl");
1354 if (global->nl == NULL)
d6c9aab8 1355 goto err;
276e2d67 1356
481234cf 1357 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 1358 if (global->nl80211_id < 0) {
276e2d67
BG		 1359 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1360 "found");
d6c9aab8 1361 goto err;
276e2d67
BG		 1362 }
1363
481234cf
JM		 1364 global->nl_event = nl_create_handle(global->nl_cb, "event");
1365 if (global->nl_event == NULL)
d6c9aab8 1366 goto err;
9fff9fdc 1367
d6c9aab8 1368 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 1369 if (ret >= 0)
481234cf 1370 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 1371 if (ret < 0) {
1372 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1373 "membership for scan events: %d (%s)",
1374 ret, strerror(-ret));
d6c9aab8 1375 goto err;
97865538 1376 }
c2a04078 1377
d6c9aab8 1378 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 1379 if (ret >= 0)
481234cf 1380 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 1381 if (ret < 0) {
1382 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1383 "membership for mlme events: %d (%s)",
1384 ret, strerror(-ret));
d6c9aab8 1385 goto err;
c2a04078 1386 }
c2a04078 1387
d6c9aab8 1388 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 1389 if (ret >= 0)
481234cf 1390 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 1391 if (ret < 0) {
1392 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1393 "membership for regulatory events: %d (%s)",
1394 ret, strerror(-ret));
1395 /* Continue without regulatory events */
1396 }
1397
17b79e65
JM		 1398 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1399 if (ret >= 0)
1400 ret = nl_socket_add_membership(global->nl_event, ret);
1401 if (ret < 0) {
1402 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1403 "membership for vendor events: %d (%s)",
1404 ret, strerror(-ret));
1405 /* Continue without vendor events */
1406 }
1407
d6c9aab8
JB		 1408 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1409 no_seq_check, NULL);
1410 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1411 process_global_event, global);
1412
5f65e9f7
JB		 1413 nl80211_register_eloop_read(&global->nl_event,
1414 wpa_driver_nl80211_event_receive,
1415 global->nl_cb);
d6c9aab8
JB		 1416
1417 return 0;
1418
1419err:
1420 nl_destroy_handles(&global->nl_event);
1421 nl_destroy_handles(&global->nl);
1422 nl_cb_put(global->nl_cb);
671a5039 1423 global->nl_cb = NULL;
d6c9aab8
JB		 1424 return -1;
1425}
1426
1427
1428static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
1429{
1afc986d
JB		 1430 drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1431 if (!drv->nl_cb) {
1432 wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct");
d6c9aab8 1433 return -1;
1afc986d
JB		 1434 }
1435
1436 nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1437 no_seq_check, NULL);
f06aedd9
JB		 1438 nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1439 process_drv_event, drv);
1afc986d 1440
9fff9fdc 1441 return 0;
9fff9fdc
JM		 1442}
1443
1444
8401a6b0
JM		 1445static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1446{
8401a6b0 1447 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
a63063b4
JM		 1448 /*
1449 * This may be for any interface; use ifdown event to disable
1450 * interface.
1451 */
8401a6b0
JM		 1452}
1453
1454
1455static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1456{
1457 struct wpa_driver_nl80211_data *drv = ctx;
1458 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 1459 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 1460 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1461 "after rfkill unblock");
1462 return;
1463 }
a63063b4 1464 /* rtnetlink ifup handler will report interface as enabled */
8401a6b0
JM		 1465}
1466
1467
32ab4855
JB		 1468static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1469 void *eloop_ctx,
1470 void *handle)
1471{
1472 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1473 u8 data[2048];
1474 struct msghdr msg;
1475 struct iovec entry;
cad0f50e 1476 u8 control[512];
32ab4855
JB		 1477 struct cmsghdr *cmsg;
1478 int res, found_ee = 0, found_wifi = 0, acked = 0;
1479 union wpa_event_data event;
1480
1481 memset(&msg, 0, sizeof(msg));
1482 msg.msg_iov = &entry;
1483 msg.msg_iovlen = 1;
1484 entry.iov_base = data;
1485 entry.iov_len = sizeof(data);
1486 msg.msg_control = &control;
1487 msg.msg_controllen = sizeof(control);
1488
1489 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1490 /* if error or not fitting 802.3 header, return */
1491 if (res < 14)
1492 return;
1493
1494 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1495 {
1496 if (cmsg->cmsg_level == SOL_SOCKET &&
1497 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1498 int *ack;
1499
1500 found_wifi = 1;
1501 ack = (void *)CMSG_DATA(cmsg);
1502 acked = *ack;
1503 }
1504
1505 if (cmsg->cmsg_level == SOL_PACKET &&
1506 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1507 struct sock_extended_err *err =
1508 (struct sock_extended_err *)CMSG_DATA(cmsg);
1509
1510 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1511 found_ee = 1;
1512 }
1513 }
1514
1515 if (!found_ee || !found_wifi)
1516 return;
1517
1518 memset(&event, 0, sizeof(event));
1519 event.eapol_tx_status.dst = data;
1520 event.eapol_tx_status.data = data + 14;
1521 event.eapol_tx_status.data_len = res - 14;
1522 event.eapol_tx_status.ack = acked;
1523 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1524}
1525
1526
cc7a48d1
JB		 1527static int nl80211_init_bss(struct i802_bss *bss)
1528{
1529 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1530 if (!bss->nl_cb)
1531 return -1;
1532
1533 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1534 no_seq_check, NULL);
1535 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1536 process_bss_event, bss);
1537
1538 return 0;
1539}
1540
1541
1542static void nl80211_destroy_bss(struct i802_bss *bss)
1543{
1544 nl_cb_put(bss->nl_cb);
1545 bss->nl_cb = NULL;
1546}
1547
1548
0d547d5f
JM		 1549static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1550 void *global_priv, int hostapd,
0ecff8d7
JM		 1551 const u8 *set_addr,
1552 const char *driver_params)
9fff9fdc 1553{
9fff9fdc 1554 struct wpa_driver_nl80211_data *drv;
8401a6b0 1555 struct rfkill_config *rcfg;
a2e40bb6 1556 struct i802_bss *bss;
9fff9fdc 1557
a5c696ad
JM		 1558 if (global_priv == NULL)
1559 return NULL;
9fff9fdc
JM		 1560 drv = os_zalloc(sizeof(*drv));
1561 if (drv == NULL)
1562 return NULL;
f2ed8023 1563 drv->global = global_priv;
9fff9fdc 1564 drv->ctx = ctx;
0d547d5f
JM		 1565 drv->hostapd = !!hostapd;
1566 drv->eapol_sock = -1;
1567 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1568 drv->if_indices = drv->default_if_indices;
834ee56f
KP		 1569
1570 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1571 if (!drv->first_bss) {
1572 os_free(drv);
1573 return NULL;
1574 }
1575 bss = drv->first_bss;
a2e40bb6 1576 bss->drv = drv;
a5e1eb20
SE		 1577 bss->ctx = ctx;
1578
a2e40bb6 1579 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 1580 drv->monitor_ifidx = -1;
1581 drv->monitor_sock = -1;
d12dab4c 1582 drv->eapol_tx_sock = -1;
b1f625e0 1583 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 1584
ba2d0d7d 1585 if (wpa_driver_nl80211_init_nl(drv)) {
bbaf0837
JM		 1586 os_free(drv);
1587 return NULL;
1588 }
9fff9fdc 1589
cc7a48d1
JB		 1590 if (nl80211_init_bss(bss))
1591 goto failed;
1592
8401a6b0
JM		 1593 rcfg = os_zalloc(sizeof(*rcfg));
1594 if (rcfg == NULL)
1595 goto failed;
1596 rcfg->ctx = drv;
1597 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
1598 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1599 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1600 drv->rfkill = rfkill_init(rcfg);
52169389 1601 if (drv->rfkill == NULL) {
8401a6b0 1602 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
52169389
JM		 1603 os_free(rcfg);
1604 }
8401a6b0 1605
146fa9b3
JM		 1606 if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0)
1607 drv->start_iface_up = 1;
1608
0ecff8d7 1609 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
bbaf0837 1610 goto failed;
7524cfb1 1611
d12dab4c 1612 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 1613 if (drv->eapol_tx_sock < 0)
1614 goto failed;
1615
1616 if (drv->data_tx_status) {
1617 int enabled = 1;
1618
1619 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1620 &enabled, sizeof(enabled)) < 0) {
1621 wpa_printf(MSG_DEBUG,
1622 "nl80211: wifi status sockopt failed\n");
1623 drv->data_tx_status = 0;
a11241fa
JB		 1624 if (!drv->use_monitor)
1625 drv->capa.flags &=
1626 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 1627 } else {
1628 eloop_register_read_sock(drv->eapol_tx_sock,
1629 wpa_driver_nl80211_handle_eapol_tx_status,
1630 drv, NULL);
1631 }
1632 }
f10bfc9a 1633
dac12351 1634 if (drv->global) {
c4bb8817 1635 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 1636 drv->in_interface_list = 1;
1637 }
c4bb8817 1638
a2e40bb6 1639 return bss;
7524cfb1 1640
bbaf0837 1641failed:
dac12351 1642 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 1643 return NULL;
1644}
1645
1646
0d547d5f
JM		 1647/**
1648 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1649 * @ctx: context to be used when calling wpa_supplicant functions,
1650 * e.g., wpa_supplicant_event()
1651 * @ifname: interface name, e.g., wlan0
1652 * @global_priv: private driver global data from global_init()
1653 * Returns: Pointer to private data, %NULL on failure
1654 */
1655static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1656 void *global_priv)
1657{
0ecff8d7
JM		 1658 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1659 NULL);
0d547d5f
JM		 1660}
1661
1662
a11241fa 1663static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 1664 struct nl_handle *nl_handle,
bd94971e 1665 u16 type, const u8 *match, size_t match_len)
58f6fbe0 1666{
a11241fa 1667 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 1668 struct nl_msg *msg;
a862e4a3 1669 int ret;
880de885 1670 char buf[30];
58f6fbe0 1671
880de885
JM		 1672 buf[0] = '\0';
1673 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
dedfa440
PF		 1674 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1675 type, fc2str(type), nl_handle, buf);
36488c05 1676
56f77852 1677 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
a862e4a3
JM		 1678 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1679 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1680 nlmsg_free(msg);
1681 return -1;
1682 }
58f6fbe0 1683
d6c9aab8 1684 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0 1685 if (ret) {
5582a5d1
JB		 1686 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1687 "failed (type=%u): ret=%d (%s)",
1688 type, ret, strerror(-ret));
1689 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0 1690 match, match_len);
58f6fbe0 1691 }
58f6fbe0
JM		 1692 return ret;
1693}
1694
1695
a11241fa
JB		 1696static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1697{
1698 struct wpa_driver_nl80211_data *drv = bss->drv;
1699
481234cf 1700 if (bss->nl_mgmt) {
a11241fa 1701 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 1702 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 1703 return -1;
1704 }
1705
481234cf
JM		 1706 bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
1707 if (bss->nl_mgmt == NULL)
a11241fa
JB		 1708 return -1;
1709
a11241fa
JB		 1710 return 0;
1711}
1712
1713
5f65e9f7
JB		 1714static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1715{
1716 nl80211_register_eloop_read(&bss->nl_mgmt,
1717 wpa_driver_nl80211_event_receive,
1718 bss->nl_cb);
1719}
1720
1721
a11241fa 1722static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 1723 const u8 *match, size_t match_len)
1724{
1725 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 1726 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 1727 type, match, match_len);
bd94971e
JB		 1728}
1729
1730
a11241fa 1731static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 1732{
a11241fa 1733 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 1734 int ret = 0;
a11241fa
JB		 1735
1736 if (nl80211_alloc_mgmt_handle(bss))
1737 return -1;
36488c05
JM		 1738 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
1739 "handle %p", bss->nl_mgmt);
a11241fa 1740
e8d1168b
JB		 1741 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
1742 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1743
1744 /* register for any AUTH message */
1745 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
1746 }
1747
56f5af48
JM		 1748#ifdef CONFIG_INTERWORKING
1749 /* QoS Map Configure */
1750 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 1751 ret = -1;
56f5af48 1752#endif /* CONFIG_INTERWORKING */
4fe9fa0d 1753#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 1754 /* GAS Initial Request */
a11241fa 1755 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 1756 ret = -1;
046b26a2 1757 /* GAS Initial Response */
a11241fa 1758 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 1759 ret = -1;
18708aad 1760 /* GAS Comeback Request */
a11241fa 1761 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 1762 ret = -1;
18708aad 1763 /* GAS Comeback Response */
a11241fa 1764 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 1765 ret = -1;
c5a64e2d
JM		 1766 /* Protected GAS Initial Request */
1767 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
1768 ret = -1;
1769 /* Protected GAS Initial Response */
1770 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
1771 ret = -1;
1772 /* Protected GAS Comeback Request */
1773 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
1774 ret = -1;
1775 /* Protected GAS Comeback Response */
1776 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
1777 ret = -1;
4fe9fa0d
JM		 1778#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
1779#ifdef CONFIG_P2P
046b26a2 1780 /* P2P Public Action */
a11241fa 1781 if (nl80211_register_action_frame(bss,
046b26a2
JM		 1782 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
1783 6) < 0)
6f06766e 1784 ret = -1;
046b26a2 1785 /* P2P Action */
a11241fa 1786 if (nl80211_register_action_frame(bss,
046b26a2
JM		 1787 (u8 *) "\x7f\x50\x6f\x9a\x09",
1788 5) < 0)
6f06766e 1789 ret = -1;
046b26a2 1790#endif /* CONFIG_P2P */
7d878ca7
JM		 1791#ifdef CONFIG_IEEE80211W
1792 /* SA Query Response */
a11241fa 1793 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 1794 ret = -1;
7d878ca7 1795#endif /* CONFIG_IEEE80211W */
35287637
AN		 1796#ifdef CONFIG_TDLS
1797 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
1798 /* TDLS Discovery Response */
aa543c0c 1799 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 1800 0)
6f06766e 1801 ret = -1;
35287637
AN		 1802 }
1803#endif /* CONFIG_TDLS */
046b26a2 1804
7b90c16a 1805 /* FT Action frames */
a11241fa 1806 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 1807 ret = -1;
7b90c16a
JM		 1808 else
1809 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
1810 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
1811
71269b37 1812 /* WNM - BSS Transition Management Request */
a11241fa 1813 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 1814 ret = -1;
bd896433
JM		 1815 /* WNM-Sleep Mode Response */
1816 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 1817 ret = -1;
a11241fa 1818
95a3ea94
JM		 1819#ifdef CONFIG_HS20
1820 /* WNM-Notification */
1821 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
3ee18569 1822 ret = -1;
95a3ea94
JM		 1823#endif /* CONFIG_HS20 */
1824
dfa87878
MB		 1825 /* WMM-AC ADDTS Response */
1826 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
1827 return -1;
1828
1829 /* WMM-AC DELTS */
1830 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
1831 return -1;
1832
2526ccd9
AK		 1833 /* Radio Measurement - Neighbor Report Response */
1834 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
1835 ret = -1;
1836
7dc03388
AO		 1837 /* Radio Measurement - Link Measurement Request */
1838 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
1839 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
1840 ret = -1;
1841
5f65e9f7
JB		 1842 nl80211_mgmt_handle_register_eloop(bss);
1843
6f06766e 1844 return ret;
a11241fa
JB		 1845}
1846
1847
afb0550a
BC		 1848static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
1849{
1850 int ret = 0;
1851
1852 if (nl80211_alloc_mgmt_handle(bss))
1853 return -1;
1854
1855 wpa_printf(MSG_DEBUG,
1856 "nl80211: Subscribe to mgmt frames with mesh handle %p",
1857 bss->nl_mgmt);
1858
1859 /* Auth frames for mesh SAE */
1860 if (nl80211_register_frame(bss, bss->nl_mgmt,
1861 (WLAN_FC_TYPE_MGMT << 2) |
1862 (WLAN_FC_STYPE_AUTH << 4),
1863 NULL, 0) < 0)
1864 ret = -1;
1865
1866 /* Mesh peering open */
1867 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
1868 ret = -1;
1869 /* Mesh peering confirm */
1870 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
1871 ret = -1;
1872 /* Mesh peering close */
1873 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
1874 ret = -1;
1875
1876 nl80211_mgmt_handle_register_eloop(bss);
1877
1878 return ret;
1879}
1880
1881
02bb32c3
JB		 1882static int nl80211_register_spurious_class3(struct i802_bss *bss)
1883{
02bb32c3 1884 struct nl_msg *msg;
a862e4a3 1885 int ret;
02bb32c3 1886
13f83980
JM		 1887 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
1888 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 1889 if (ret) {
1890 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
1891 "failed: ret=%d (%s)",
1892 ret, strerror(-ret));
02bb32c3 1893 }
02bb32c3
JB		 1894 return ret;
1895}
1896
1897
a11241fa
JB		 1898static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
1899{
1900 static const int stypes[] = {
1901 WLAN_FC_STYPE_AUTH,
1902 WLAN_FC_STYPE_ASSOC_REQ,
1903 WLAN_FC_STYPE_REASSOC_REQ,
1904 WLAN_FC_STYPE_DISASSOC,
1905 WLAN_FC_STYPE_DEAUTH,
1906 WLAN_FC_STYPE_ACTION,
1907 WLAN_FC_STYPE_PROBE_REQ,
1908/* Beacon doesn't work as mac80211 doesn't currently allow
1909 * it, but it wouldn't really be the right thing anyway as
1910 * it isn't per interface ... maybe just dump the scan
1911 * results periodically for OLBC?
1912 */
0e80ea2c 1913 /* WLAN_FC_STYPE_BEACON, */
a11241fa
JB		 1914 };
1915 unsigned int i;
1916
1917 if (nl80211_alloc_mgmt_handle(bss))
71269b37 1918 return -1;
36488c05
JM		 1919 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
1920 "handle %p", bss->nl_mgmt);
71269b37 1921
e7ecab4a 1922 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 1923 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 1924 (WLAN_FC_TYPE_MGMT << 2) |
1925 (stypes[i] << 4),
1926 NULL, 0) < 0) {
1927 goto out_err;
1928 }
1929 }
1930
02bb32c3
JB		 1931 if (nl80211_register_spurious_class3(bss))
1932 goto out_err;
1933
e32ad281
JB		 1934 if (nl80211_get_wiphy_data_ap(bss) == NULL)
1935 goto out_err;
1936
5f65e9f7 1937 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 1938 return 0;
a11241fa
JB		 1939
1940out_err:
a11241fa
JB		 1941 nl_destroy_handles(&bss->nl_mgmt);
1942 return -1;
1943}
1944
1945
a6cc0602
JM		 1946static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
1947{
1948 if (nl80211_alloc_mgmt_handle(bss))
1949 return -1;
1950 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
1951 "handle %p (device SME)", bss->nl_mgmt);
1952
1953 if (nl80211_register_frame(bss, bss->nl_mgmt,
1954 (WLAN_FC_TYPE_MGMT << 2) |
1955 (WLAN_FC_STYPE_ACTION << 4),
1956 NULL, 0) < 0)
1957 goto out_err;
1958
5f65e9f7 1959 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 1960 return 0;
1961
1962out_err:
a6cc0602
JM		 1963 nl_destroy_handles(&bss->nl_mgmt);
1964 return -1;
1965}
1966
1967
36488c05 1968static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 1969{
481234cf 1970 if (bss->nl_mgmt == NULL)
a11241fa 1971 return;
36488c05
JM		 1972 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
1973 "(%s)", bss->nl_mgmt, reason);
5f65e9f7 1974 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
e32ad281
JB		 1975
1976 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 1977}
1978
1979
8401a6b0
JM		 1980static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
1981{
1982 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
1983}
1984
1985
eb4582f2
AS		 1986static void nl80211_del_p2pdev(struct i802_bss *bss)
1987{
eb4582f2
AS		 1988 struct nl_msg *msg;
1989 int ret;
1990
a3249fdf
JM		 1991 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
1992 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
eb4582f2
AS		 1993
1994 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
1995 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 1996 strerror(-ret));
eb4582f2
AS		 1997}
1998
1999
eb4582f2 2000static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483 2001{
f632e483 2002 struct nl_msg *msg;
a862e4a3 2003 int ret;
f632e483 2004
a3249fdf
JM		 2005 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2006 NL80211_CMD_STOP_P2P_DEVICE);
2007 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
f632e483 2008
eb4582f2
AS		 2009 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2010 start ? "Start" : "Stop",
2011 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2012 strerror(-ret));
f632e483
AS		 2013 return ret;
2014}
f632e483
AS		 2015
2016
91724d6f
AS		 2017static int i802_set_iface_flags(struct i802_bss *bss, int up)
2018{
2019 enum nl80211_iftype nlmode;
2020
2021 nlmode = nl80211_get_ifmode(bss);
2022 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2023 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2024 bss->ifname, up);
2025 }
2026
2027 /* P2P Device has start/stop which is equivalent */
2028 return nl80211_set_p2pdev(bss, up);
2029}
2030
2031
362f781e 2032static int
0d547d5f 2033wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 2034 const u8 *set_addr, int first,
2035 const char *driver_params)
7524cfb1 2036{
834ee56f 2037 struct i802_bss *bss = drv->first_bss;
8401a6b0 2038 int send_rfkill_event = 0;
0d547d5f 2039 enum nl80211_iftype nlmode;
a2e40bb6
FF		 2040
2041 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 2042 bss->ifindex = drv->ifindex;
2043 bss->wdev_id = drv->global->if_add_wdevid;
2044 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2045
60b13c20
IP		 2046 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2047 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 2048 drv->global->if_add_wdevid_set = 0;
2049
bf144cf6
AP		 2050 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2051 bss->static_ap = 1;
2052
f632e483
AS		 2053 if (wpa_driver_nl80211_capa(drv))
2054 return -1;
a87c9d96 2055
0ecff8d7
JM		 2056 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2057 return -1;
2058
5fbcb45d
AS		 2059 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2060 bss->ifname, drv->phyname);
2061
0d547d5f
JM		 2062 if (set_addr &&
2063 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2064 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2065 set_addr)))
2066 return -1;
2067
49b4b205
JM		 2068 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2069 drv->start_mode_ap = 1;
2070
bf144cf6 2071 if (drv->hostapd || bss->static_ap)
0d547d5f
JM		 2072 nlmode = NL80211_IFTYPE_AP;
2073 else if (bss->if_dynamic)
8e12685c 2074 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 2075 else
2076 nlmode = NL80211_IFTYPE_STATION;
f632e483 2077
8e12685c 2078 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 2079 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 2080 return -1;
a87c9d96
JM		 2081 }
2082
8c06db70 2083 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 2084 nl80211_get_macaddr(bss);
f632e483 2085
8c06db70
MB		 2086 if (!rfkill_is_blocked(drv->rfkill)) {
2087 int ret = i802_set_iface_flags(bss, 1);
2088 if (ret) {
8401a6b0
JM		 2089 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2090 "interface '%s' UP", bss->ifname);
8c06db70 2091 return ret;
8401a6b0 2092 }
8c06db70
MB		 2093 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2094 return ret;
2095 } else {
2096 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2097 "interface '%s' due to rfkill", bss->ifname);
2098 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2099 return 0;
2100 drv->if_disabled = 1;
2101 send_rfkill_event = 1;
362f781e 2102 }
3f5285e8 2103
0d547d5f
JM		 2104 if (!drv->hostapd)
2105 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2106 1, IF_OPER_DORMANT);
362f781e 2107
c81eff1a 2108 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
341eebee 2109 bss->addr))
2136f480 2110 return -1;
fee354c7 2111 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
f2ed8023 2112
8401a6b0
JM		 2113 if (send_rfkill_event) {
2114 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2115 drv, drv->ctx);
2116 }
2117
362f781e 2118 return 0;
3f5285e8
JM		 2119}
2120
2121
8a27af5c
JM		 2122static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
2123{
2124 struct nl_msg *msg;
2125
08e55ebb
JM		 2126 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2127 drv->ifindex);
9725b784 2128 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
8a27af5c 2129 return send_and_recv_msgs(drv, msg, NULL, NULL);
8a27af5c 2130}
8a27af5c
JM		 2131
2132
3f5285e8 2133/**
7e5ba1b9 2134 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 2135 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 2136 *
2137 * Shut down driver interface and processing of driver events. Free
2138 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2139 */
9ebce9c5 2140static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 2141{
a2e40bb6 2142 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 2143
3e208481
JM		 2144 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2145 bss->ifname, drv->disabled_11b_rates);
2146
873d0fcf 2147 bss->in_deinit = 1;
32ab4855
JB		 2148 if (drv->data_tx_status)
2149 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 2150 if (drv->eapol_tx_sock >= 0)
2151 close(drv->eapol_tx_sock);
f10bfc9a 2152
481234cf 2153 if (bss->nl_preq)
5582a5d1 2154 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 2155 if (bss->added_if_into_bridge) {
c81eff1a
BG		 2156 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2157 bss->ifname) < 0)
94627f6c
JM		 2158 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2159 "interface %s from bridge %s: %s",
e17a2477 2160 bss->ifname, bss->brname, strerror(errno));
97ed9a06 2161 if (drv->rtnl_sk)
ca3c6b4d 2162 nl80211_handle_destroy(drv->rtnl_sk);
94627f6c 2163 }
e17a2477 2164 if (bss->added_bridge) {
5ef8e39f 2165 linux_set_iface_flags(drv->global->ioctl_sock, bss->brname, 0);
c81eff1a 2166 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 2167 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2168 "bridge %s: %s",
e17a2477 2169 bss->brname, strerror(errno));
94627f6c
JM		 2170 }
2171
460456f8 2172 nl80211_remove_monitor_interface(drv);
8a27af5c 2173
b1f625e0 2174 if (is_ap_interface(drv->nlmode))
8a27af5c 2175 wpa_driver_nl80211_del_beacon(drv);
0915d02c 2176
bbaf0837
JM		 2177 if (drv->eapol_sock >= 0) {
2178 eloop_unregister_read_sock(drv->eapol_sock);
2179 close(drv->eapol_sock);
2180 }
2181
2182 if (drv->if_indices != drv->default_if_indices)
2183 os_free(drv->if_indices);
3f5285e8 2184
b3af99d2 2185 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 2186 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2187
36d84860
BG		 2188 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2189 IF_OPER_UP);
e390df05 2190 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
8401a6b0 2191 rfkill_deinit(drv->rfkill);
3f5285e8 2192
bbaf0837
JM		 2193 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2194
146fa9b3
JM		 2195 if (!drv->start_iface_up)
2196 (void) i802_set_iface_flags(bss, 0);
fee354c7
JM		 2197
2198 if (drv->addr_changed) {
93da0498
JM		 2199 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2200 0) < 0) {
2201 wpa_printf(MSG_DEBUG,
2202 "nl80211: Could not set interface down to restore permanent MAC address");
2203 }
fee354c7
JM		 2204 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2205 drv->perm_addr) < 0) {
2206 wpa_printf(MSG_DEBUG,
2207 "nl80211: Could not restore permanent MAC address");
2208 }
2209 }
2210
8e12685c 2211 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 2212 if (!drv->hostapd || !drv->start_mode_ap)
2213 wpa_driver_nl80211_set_mode(bss,
2214 NL80211_IFTYPE_STATION);
b378c41f 2215 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 2216 } else {
2217 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 2218 nl80211_del_p2pdev(bss);
8e12685c 2219 }
1afc986d 2220 nl_cb_put(drv->nl_cb);
3f5285e8 2221
834ee56f 2222 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 2223
3812464c
JM		 2224 os_free(drv->filter_ssids);
2225
536fd62d
JM		 2226 os_free(drv->auth_ie);
2227
dac12351 2228 if (drv->in_interface_list)
f2ed8023
JM		 2229 dl_list_del(&drv->list);
2230
8cd6b7bc
JB		 2231 os_free(drv->extended_capa);
2232 os_free(drv->extended_capa_mask);
834ee56f 2233 os_free(drv->first_bss);
3f5285e8
JM		 2234 os_free(drv);
2235}
2236
2237
de4ed4a8
JM		 2238static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2239{
2240 switch (alg) {
2241 case WPA_ALG_WEP:
2242 if (key_len == 5)
2243 return WLAN_CIPHER_SUITE_WEP40;
2244 return WLAN_CIPHER_SUITE_WEP104;
2245 case WPA_ALG_TKIP:
2246 return WLAN_CIPHER_SUITE_TKIP;
2247 case WPA_ALG_CCMP:
2248 return WLAN_CIPHER_SUITE_CCMP;
2249 case WPA_ALG_GCMP:
2250 return WLAN_CIPHER_SUITE_GCMP;
2251 case WPA_ALG_CCMP_256:
2252 return WLAN_CIPHER_SUITE_CCMP_256;
2253 case WPA_ALG_GCMP_256:
2254 return WLAN_CIPHER_SUITE_GCMP_256;
2255 case WPA_ALG_IGTK:
2256 return WLAN_CIPHER_SUITE_AES_CMAC;
2257 case WPA_ALG_BIP_GMAC_128:
2258 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
2259 case WPA_ALG_BIP_GMAC_256:
2260 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
2261 case WPA_ALG_BIP_CMAC_256:
2262 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
2263 case WPA_ALG_SMS4:
2264 return WLAN_CIPHER_SUITE_SMS4;
2265 case WPA_ALG_KRK:
2266 return WLAN_CIPHER_SUITE_KRK;
2267 case WPA_ALG_NONE:
2268 case WPA_ALG_PMK:
2269 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2270 alg);
2271 return 0;
2272 }
2273
2274 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2275 alg);
2276 return 0;
2277}
2278
2279
2280static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2281{
2282 switch (cipher) {
2283 case WPA_CIPHER_CCMP_256:
2284 return WLAN_CIPHER_SUITE_CCMP_256;
2285 case WPA_CIPHER_GCMP_256:
2286 return WLAN_CIPHER_SUITE_GCMP_256;
2287 case WPA_CIPHER_CCMP:
2288 return WLAN_CIPHER_SUITE_CCMP;
2289 case WPA_CIPHER_GCMP:
2290 return WLAN_CIPHER_SUITE_GCMP;
2291 case WPA_CIPHER_TKIP:
2292 return WLAN_CIPHER_SUITE_TKIP;
2293 case WPA_CIPHER_WEP104:
2294 return WLAN_CIPHER_SUITE_WEP104;
2295 case WPA_CIPHER_WEP40:
2296 return WLAN_CIPHER_SUITE_WEP40;
ae6f9272
JM		 2297 case WPA_CIPHER_GTK_NOT_USED:
2298 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
de4ed4a8
JM		 2299 }
2300
2301 return 0;
2302}
2303
2304
2305static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2306 int max_suites)
2307{
2308 int num_suites = 0;
2309
2310 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2311 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
2312 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2313 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
2314 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2315 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
2316 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2317 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
2318 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2319 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
2320 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2321 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
2322 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2323 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
2324
2325 return num_suites;
2326}
2327
2328
b41f2684
CL		 2329static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2330 const u8 *key, size_t key_len)
2331{
2332 struct nl_msg *msg;
a862e4a3 2333 int ret;
b41f2684 2334
15badebd 2335 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
b41f2684
CL		 2336 return 0;
2337
9725b784 2338 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 2339 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2340 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2341 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2342 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
2343 nlmsg_free(msg);
2344 return -1;
2345 }
b41f2684 2346 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
b41f2684
CL		 2347 if (ret) {
2348 wpa_printf(MSG_DEBUG,
2349 "nl80211: Key management set key failed: ret=%d (%s)",
2350 ret, strerror(-ret));
2351 }
2352
b41f2684
CL		 2353 return ret;
2354}
2355
2356
9ebce9c5 2357static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 2358 enum wpa_alg alg, const u8 *addr,
2359 int key_idx, int set_tx,
642187d6
JM		 2360 const u8 *seq, size_t seq_len,
2361 const u8 *key, size_t key_len)
3f5285e8 2362{
a2e40bb6 2363 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 2364 int ifindex;
3f5285e8 2365 struct nl_msg *msg;
1ad1cdc2 2366 int ret;
dc01de8a 2367 int tdls = 0;
3f5285e8 2368
e472e1b4
AS		 2369 /* Ignore for P2P Device */
2370 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2371 return 0;
2372
2373 ifindex = if_nametoindex(ifname);
8393e1a0 2374 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 2375 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 2376 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 2377 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 2378#ifdef CONFIG_TDLS
dc01de8a 2379 if (key_idx == -1) {
8c66e185 2380 key_idx = 0;
dc01de8a
JM		 2381 tdls = 1;
2382 }
8c66e185 2383#endif /* CONFIG_TDLS */
3f5285e8 2384
15badebd
CL		 2385 if (alg == WPA_ALG_PMK &&
2386 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
b41f2684
CL		 2387 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2388 __func__);
2389 ret = issue_key_mgmt_set_key(drv, key, key_len);
2390 return ret;
2391 }
2392
3f5285e8 2393 if (alg == WPA_ALG_NONE) {
95376e1a
JM		 2394 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2395 if (!msg)
2396 return -ENOBUFS;
3f5285e8 2397 } else {
95376e1a
JM		 2398 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2399 if (!msg ||
a862e4a3
JM		 2400 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
2401 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER,
2402 wpa_alg_to_cipher_suite(alg, key_len)))
2403 goto fail;
e6ef73f1 2404 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3f5285e8
JM		 2405 }
2406
e6ef73f1 2407 if (seq && seq_len) {
a862e4a3
JM		 2408 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2409 goto fail;
e6ef73f1
JM		 2410 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2411 }
1ad1cdc2 2412
0382097e 2413 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8 2414 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
a862e4a3
JM		 2415 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2416 goto fail;
89c38e32
JM		 2417
2418 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2419 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
a862e4a3
JM		 2420 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2421 NL80211_KEYTYPE_GROUP))
2422 goto fail;
89c38e32 2423 }
60ea8187 2424 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2425 struct nlattr *types;
2426
60ea8187 2427 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 2428
2429 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2430 if (!types ||
2431 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2432 goto fail;
8970bae8 2433 nla_nest_end(msg, types);
3f5285e8 2434 }
95376e1a 2435 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
a862e4a3 2436 goto fail;
3f5285e8 2437
1ad1cdc2 2438 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
15664ad0 2439 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 2440 ret = 0;
2441 if (ret)
2442 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2443 ret, strerror(-ret));
3f5285e8 2444
1ad1cdc2
JM		 2445 /*
2446 * If we failed or don't need to set the default TX key (below),
2447 * we're done here.
2448 */
dc01de8a 2449 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 2450 return ret;
b1f625e0 2451 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 2452 !is_broadcast_ether_addr(addr))
de12717a 2453 return ret;
3f5285e8 2454
95376e1a
JM		 2455 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2456 if (!msg ||
a862e4a3 2457 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
a862e4a3
JM		 2458 nla_put_flag(msg, alg == WPA_ALG_IGTK ?
2459 NL80211_ATTR_KEY_DEFAULT_MGMT :
2460 NL80211_ATTR_KEY_DEFAULT))
2461 goto fail;
60ea8187 2462 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2463 struct nlattr *types;
2464
2465 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2466 if (!types ||
2467 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2468 goto fail;
8970bae8 2469 nla_nest_end(msg, types);
60ea8187 2470 } else if (addr) {
8970bae8
JB		 2471 struct nlattr *types;
2472
2473 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2474 if (!types ||
2475 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2476 goto fail;
8970bae8 2477 nla_nest_end(msg, types);
60ea8187 2478 }
3f5285e8 2479
1ad1cdc2
JM		 2480 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2481 if (ret == -ENOENT)
2482 ret = 0;
2483 if (ret)
2484 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2485 "err=%d %s)", ret, strerror(-ret));
2486 return ret;
3f5285e8 2487
a862e4a3 2488fail:
5883168a 2489 nlmsg_free(msg);
6241fcb1 2490 return -ENOBUFS;
3f5285e8
JM		 2491}
2492
2493
71934751 2494static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 2495 int key_idx, int defkey,
2496 const u8 *seq, size_t seq_len,
2497 const u8 *key, size_t key_len)
2498{
2499 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
2500 if (!key_attr)
2501 return -1;
2502
a862e4a3
JM		 2503 if (defkey && alg == WPA_ALG_IGTK) {
2504 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2505 return -1;
2506 } else if (defkey) {
2507 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2508 return -1;
2509 }
0194fedb 2510
a862e4a3
JM		 2511 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
2512 nla_put_u32(msg, NL80211_KEY_CIPHER,
2513 wpa_alg_to_cipher_suite(alg, key_len)) ||
2514 (seq && seq_len &&
2515 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2516 nla_put(msg, NL80211_KEY_DATA, key_len, key))
2517 return -1;
0194fedb
JB		 2518
2519 nla_nest_end(msg, key_attr);
2520
2521 return 0;
0194fedb
JB		 2522}
2523
c811d5bc 2524
cfaab580
ZY		 2525static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2526 struct nl_msg *msg)
2527{
2528 int i, privacy = 0;
2529 struct nlattr *nl_keys, *nl_key;
2530
2531 for (i = 0; i < 4; i++) {
2532 if (!params->wep_key[i])
2533 continue;
2534 privacy = 1;
2535 break;
2536 }
ce04af5a
JM		 2537 if (params->wps == WPS_MODE_PRIVACY)
2538 privacy = 1;
2539 if (params->pairwise_suite &&
2540 params->pairwise_suite != WPA_CIPHER_NONE)
2541 privacy = 1;
2542
cfaab580
ZY		 2543 if (!privacy)
2544 return 0;
2545
a862e4a3
JM		 2546 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2547 return -ENOBUFS;
cfaab580
ZY		 2548
2549 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2550 if (!nl_keys)
a862e4a3 2551 return -ENOBUFS;
cfaab580
ZY		 2552
2553 for (i = 0; i < 4; i++) {
2554 if (!params->wep_key[i])
2555 continue;
2556
2557 nl_key = nla_nest_start(msg, i);
a862e4a3
JM		 2558 if (!nl_key ||
2559 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
2560 params->wep_key[i]) ||
2561 nla_put_u32(msg, NL80211_KEY_CIPHER,
2562 params->wep_key_len[i] == 5 ?
2563 WLAN_CIPHER_SUITE_WEP40 :
2564 WLAN_CIPHER_SUITE_WEP104) ||
2565 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
2566 (i == params->wep_tx_keyidx &&
2567 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
2568 return -ENOBUFS;
cfaab580
ZY		 2569
2570 nla_nest_end(msg, nl_key);
2571 }
2572 nla_nest_end(msg, nl_keys);
2573
2574 return 0;
cfaab580
ZY		 2575}
2576
2577
477af8f8
JM		 2578int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
2579 const u8 *addr, int cmd, u16 reason_code,
2580 int local_state_change)
c2a04078 2581{
a862e4a3 2582 int ret;
c2a04078
JM		 2583 struct nl_msg *msg;
2584
9725b784 2585 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM		 2586 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
2587 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
2588 (local_state_change &&
2589 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
2590 nlmsg_free(msg);
2591 return -1;
2592 }
c2a04078
JM		 2593
2594 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 2595 if (ret) {
3b7ea880
BG		 2596 wpa_dbg(drv->ctx, MSG_DEBUG,
2597 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2598 reason_code, ret, strerror(-ret));
c2a04078 2599 }
c2a04078
JM		 2600 return ret;
2601}
3f5285e8
JM		 2602
2603
cfaab580 2604static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 2605 int reason_code)
cfaab580 2606{
3f53c006
JJ		 2607 int ret;
2608
817762d9 2609 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 2610 nl80211_mark_disconnected(drv);
817762d9 2611 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 2612 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
2613 reason_code, 0);
2614 /*
2615 * For locally generated disconnect, supplicant already generates a
2616 * DEAUTH event, so ignore the event from NL80211.
2617 */
2618 drv->ignore_next_local_disconnect = ret == 0;
2619
2620 return ret;
cfaab580
ZY		 2621}
2622
2623
9ebce9c5
JM		 2624static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
2625 const u8 *addr, int reason_code)
3f5285e8 2626{
a2e40bb6 2627 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 2628 int ret;
9392c9be
AS		 2629
2630 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2631 nl80211_mark_disconnected(drv);
666e508c 2632 return nl80211_leave_ibss(drv, 1);
9392c9be 2633 }
cfaab580 2634 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 2635 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 2636 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
2637 __func__, MAC2STR(addr), reason_code);
add9b7a4 2638 nl80211_mark_disconnected(drv);
d6a36f39
JM		 2639 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
2640 reason_code, 0);
2641 /*
2642 * For locally generated deauthenticate, supplicant already generates a
2643 * DEAUTH event, so ignore the event from NL80211.
2644 */
2645 drv->ignore_next_local_deauth = ret == 0;
2646 return ret;
3f5285e8
JM		 2647}
2648
2649
536fd62d
JM		 2650static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
2651 struct wpa_driver_auth_params *params)
2652{
2653 int i;
2654
2655 drv->auth_freq = params->freq;
2656 drv->auth_alg = params->auth_alg;
2657 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
2658 drv->auth_local_state_change = params->local_state_change;
2659 drv->auth_p2p = params->p2p;
2660
2661 if (params->bssid)
2662 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
2663 else
2664 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
2665
2666 if (params->ssid) {
2667 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
2668 drv->auth_ssid_len = params->ssid_len;
2669 } else
2670 drv->auth_ssid_len = 0;
2671
2672
2673 os_free(drv->auth_ie);
2674 drv->auth_ie = NULL;
2675 drv->auth_ie_len = 0;
2676 if (params->ie) {
2677 drv->auth_ie = os_malloc(params->ie_len);
2678 if (drv->auth_ie) {
2679 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
2680 drv->auth_ie_len = params->ie_len;
2681 }
2682 }
2683
2684 for (i = 0; i < 4; i++) {
2685 if (params->wep_key[i] && params->wep_key_len[i] &&
2686 params->wep_key_len[i] <= 16) {
2687 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
2688 params->wep_key_len[i]);
2689 drv->auth_wep_key_len[i] = params->wep_key_len[i];
2690 } else
2691 drv->auth_wep_key_len[i] = 0;
2692 }
2693}
2694
2695
4bd71954
JM		 2696static void nl80211_unmask_11b_rates(struct i802_bss *bss)
2697{
2698 struct wpa_driver_nl80211_data *drv = bss->drv;
2699
2700 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
2701 return;
2702
2703 /*
2704 * Looks like we failed to unmask 11b rates previously. This could
2705 * happen, e.g., if the interface was down at the point in time when a
2706 * P2P group was terminated.
2707 */
2708 wpa_printf(MSG_DEBUG,
2709 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
2710 bss->ifname);
2711 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2712}
2713
2714
c2a04078 2715static int wpa_driver_nl80211_authenticate(
9ebce9c5 2716 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 2717{
a2e40bb6 2718 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 2719 int ret = -1, i;
c2a04078
JM		 2720 struct nl_msg *msg;
2721 enum nl80211_auth_type type;
2f4f73b1 2722 enum nl80211_iftype nlmode;
6d6f4bb8 2723 int count = 0;
536fd62d
JM		 2724 int is_retry;
2725
4bd71954
JM		 2726 nl80211_unmask_11b_rates(bss);
2727
536fd62d
JM		 2728 is_retry = drv->retry_auth;
2729 drv->retry_auth = 0;
e8d70a73 2730 drv->ignore_deauth_event = 0;
c2a04078 2731
add9b7a4 2732 nl80211_mark_disconnected(drv);
e6b8efeb 2733 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 2734 if (params->bssid)
2735 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
2736 else
2737 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 2738 /* FIX: IBSS mode */
2f4f73b1
EP		 2739 nlmode = params->p2p ?
2740 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
2741 if (drv->nlmode != nlmode &&
9ebce9c5 2742 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 2743 return -1;
2744
6d6f4bb8 2745retry:
c2a04078
JM		 2746 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
2747 drv->ifindex);
a0b2f99b 2748
9725b784
JM		 2749 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
2750 if (!msg)
2751 goto fail;
0194fedb 2752
a0b2f99b
JM		 2753 for (i = 0; i < 4; i++) {
2754 if (!params->wep_key[i])
2755 continue;
9ebce9c5 2756 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 2757 NULL, i,
a0b2f99b
JM		 2758 i == params->wep_tx_keyidx, NULL, 0,
2759 params->wep_key[i],
2760 params->wep_key_len[i]);
0194fedb
JB		 2761 if (params->wep_tx_keyidx != i)
2762 continue;
2763 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM		 2764 params->wep_key[i], params->wep_key_len[i]))
2765 goto fail;
a0b2f99b
JM		 2766 }
2767
c2a04078
JM		 2768 if (params->bssid) {
2769 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
2770 MAC2STR(params->bssid));
a862e4a3
JM		 2771 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
2772 goto fail;
c2a04078
JM		 2773 }
2774 if (params->freq) {
2775 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 2776 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
2777 goto fail;
c2a04078
JM		 2778 }
2779 if (params->ssid) {
2780 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
2781 params->ssid, params->ssid_len);
a862e4a3
JM		 2782 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
2783 params->ssid))
2784 goto fail;
c2a04078
JM		 2785 }
2786 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM		 2787 if (params->ie &&
2788 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
2789 goto fail;
569fed90
JM		 2790 if (params->sae_data) {
2791 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
2792 params->sae_data_len);
a862e4a3
JM		 2793 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
2794 params->sae_data))
2795 goto fail;
569fed90 2796 }
abd9fafa 2797 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 2798 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 2799 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 2800 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 2801 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 2802 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 2803 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 2804 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 2805 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
2806 type = NL80211_AUTHTYPE_SAE;
c2a04078 2807 else
a862e4a3 2808 goto fail;
c2a04078 2809 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
a862e4a3
JM		 2810 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
2811 goto fail;
77339912
JM		 2812 if (params->local_state_change) {
2813 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM		 2814 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
2815 goto fail;
77339912 2816 }
c2a04078
JM		 2817
2818 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2819 msg = NULL;
2820 if (ret) {
3b7ea880
BG		 2821 wpa_dbg(drv->ctx, MSG_DEBUG,
2822 "nl80211: MLME command failed (auth): ret=%d (%s)",
2823 ret, strerror(-ret));
6d6f4bb8 2824 count++;
77339912
JM		 2825 if (ret == -EALREADY && count == 1 && params->bssid &&
2826 !params->local_state_change) {
6d6f4bb8
JM		 2827 /*
2828 * mac80211 does not currently accept new
2829 * authentication if we are already authenticated. As a
2830 * workaround, force deauthentication and try again.
2831 */
2832 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
2833 "after forced deauthentication");
e8d70a73 2834 drv->ignore_deauth_event = 1;
6d6f4bb8 2835 wpa_driver_nl80211_deauthenticate(
5205c4f9 2836 bss, params->bssid,
6d6f4bb8
JM		 2837 WLAN_REASON_PREV_AUTH_NOT_VALID);
2838 nlmsg_free(msg);
2839 goto retry;
2840 }
536fd62d
JM		 2841
2842 if (ret == -ENOENT && params->freq && !is_retry) {
2843 /*
2844 * cfg80211 has likely expired the BSS entry even
2845 * though it was previously available in our internal
2846 * BSS table. To recover quickly, start a single
2847 * channel scan on the specified channel.
2848 */
2849 struct wpa_driver_scan_params scan;
2850 int freqs[2];
2851
2852 os_memset(&scan, 0, sizeof(scan));
2853 scan.num_ssids = 1;
2854 if (params->ssid) {
2855 scan.ssids[0].ssid = params->ssid;
2856 scan.ssids[0].ssid_len = params->ssid_len;
2857 }
2858 freqs[0] = params->freq;
2859 freqs[1] = 0;
2860 scan.freqs = freqs;
2861 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
2862 "channel scan to refresh cfg80211 BSS "
2863 "entry");
2864 ret = wpa_driver_nl80211_scan(bss, &scan);
2865 if (ret == 0) {
2866 nl80211_copy_auth_params(drv, params);
2867 drv->scan_for_auth = 1;
2868 }
8c3ba078
JM		 2869 } else if (is_retry) {
2870 /*
2871 * Need to indicate this with an event since the return
2872 * value from the retry is not delivered to core code.
2873 */
2874 union wpa_event_data event;
2875 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
2876 "failed");
2877 os_memset(&event, 0, sizeof(event));
2878 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
2879 ETH_ALEN);
2880 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
2881 &event);
536fd62d 2882 }
a862e4a3
JM		 2883 } else {
2884 wpa_printf(MSG_DEBUG,
2885 "nl80211: Authentication request send successfully");
c2a04078 2886 }
c2a04078 2887
a862e4a3 2888fail:
c2a04078
JM		 2889 nlmsg_free(msg);
2890 return ret;
2891}
2892
2893
f3407c66 2894int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM		 2895{
2896 struct wpa_driver_auth_params params;
834ee56f 2897 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 2898 int i;
2899
2900 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
2901
2902 os_memset(&params, 0, sizeof(params));
2903 params.freq = drv->auth_freq;
2904 params.auth_alg = drv->auth_alg;
2905 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
2906 params.local_state_change = drv->auth_local_state_change;
2907 params.p2p = drv->auth_p2p;
2908
2909 if (!is_zero_ether_addr(drv->auth_bssid_))
2910 params.bssid = drv->auth_bssid_;
2911
2912 if (drv->auth_ssid_len) {
2913 params.ssid = drv->auth_ssid;
2914 params.ssid_len = drv->auth_ssid_len;
2915 }
2916
2917 params.ie = drv->auth_ie;
2918 params.ie_len = drv->auth_ie_len;
2919
2920 for (i = 0; i < 4; i++) {
2921 if (drv->auth_wep_key_len[i]) {
2922 params.wep_key[i] = drv->auth_wep_key[i];
2923 params.wep_key_len[i] = drv->auth_wep_key_len[i];
2924 }
2925 }
2926
2927 drv->retry_auth = 1;
2928 return wpa_driver_nl80211_authenticate(bss, &params);
2929}
2930
2931
a11241fa
JB		 2932static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
2933 const void *data, size_t len,
55231068
JM		 2934 int encrypt, int noack,
2935 unsigned int freq, int no_cck,
2936 int offchanok, unsigned int wait_time)
a11241fa
JB		 2937{
2938 struct wpa_driver_nl80211_data *drv = bss->drv;
2939 u64 cookie;
41cc50d1 2940 int res;
a11241fa 2941
c7caac56
JM		 2942 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
2943 freq = nl80211_get_assoc_freq(drv);
2944 wpa_printf(MSG_DEBUG,
2945 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
2946 freq);
2947 }
af964484
JM		 2948 if (freq == 0) {
2949 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
2950 bss->freq);
55231068 2951 freq = bss->freq;
af964484 2952 }
55231068 2953
739faee2 2954 if (drv->use_monitor) {
981cf85a 2955 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
739faee2 2956 freq, bss->freq);
981cf85a 2957 return nl80211_send_monitor(drv, data, len, encrypt, noack);
739faee2 2958 }
a11241fa 2959
739faee2 2960 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1
JM		 2961 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
2962 &cookie, no_cck, noack, offchanok);
2963 if (res == 0 && !noack) {
2964 const struct ieee80211_mgmt *mgmt;
2965 u16 fc;
2966
2967 mgmt = (const struct ieee80211_mgmt *) data;
2968 fc = le_to_host16(mgmt->frame_control);
2969 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
2970 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
2971 wpa_printf(MSG_MSGDUMP,
2972 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
2973 (long long unsigned int)
2974 drv->send_action_cookie,
2975 (long long unsigned int) cookie);
2976 drv->send_action_cookie = cookie;
2977 }
2978 }
2979
2980 return res;
a11241fa
JB		 2981}
2982
2983
9ebce9c5
JM		 2984static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
2985 size_t data_len, int noack,
2986 unsigned int freq, int no_cck,
2987 int offchanok,
2988 unsigned int wait_time)
2c2010ac 2989{
a2e40bb6 2990 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 2991 struct ieee80211_mgmt *mgmt;
7a47d567 2992 int encrypt = 1;
2c2010ac
JM		 2993 u16 fc;
2994
2995 mgmt = (struct ieee80211_mgmt *) data;
2996 fc = le_to_host16(mgmt->frame_control);
f95a4524
PF		 2997 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
2998 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
2999 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3000 fc, fc2str(fc), drv->nlmode);
2c2010ac 3001
8e12685c
AS		 3002 if ((is_sta_interface(drv->nlmode) ||
3003 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 3004 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3005 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3006 /*
3007 * The use of last_mgmt_freq is a bit of a hack,
3008 * but it works due to the single-threaded nature
3009 * of wpa_supplicant.
3010 */
af964484
JM		 3011 if (freq == 0) {
3012 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3013 drv->last_mgmt_freq);
55231068 3014 freq = drv->last_mgmt_freq;
af964484 3015 }
55231068 3016 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7
JB		 3017 data, data_len, NULL, 1, noack,
3018 1);
5582a5d1
JB		 3019 }
3020
61cbe2ff 3021 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 3022 if (freq == 0) {
3023 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3024 bss->freq);
55231068 3025 freq = bss->freq;
af964484 3026 }
b5671498
JM		 3027 return nl80211_send_frame_cmd(bss, freq,
3028 (int) freq == bss->freq ? 0 :
3029 wait_time,
d8d6b32e
DG		 3030 data, data_len,
3031 &drv->send_action_cookie,
55231068 3032 no_cck, noack, offchanok);
86957e62
JM		 3033 }
3034
2c2010ac
JM		 3035 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3036 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3037 /*
3038 * Only one of the authentication frame types is encrypted.
3039 * In order for static WEP encryption to work properly (i.e.,
3040 * to not encrypt the frame), we need to tell mac80211 about
3041 * the frames that must not be encrypted.
3042 */
3043 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3044 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 3045 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3046 encrypt = 0;
2c2010ac
JM		 3047 }
3048
739faee2 3049 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 3050 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068
JM		 3051 noack, freq, no_cck, offchanok,
3052 wait_time);
3053}
3054
3055
31357268 3056static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47
JM		 3057 int slot, int ht_opmode, int ap_isolate,
3058 int *basic_rates)
31357268
JM		 3059{
3060 struct wpa_driver_nl80211_data *drv = bss->drv;
3061 struct nl_msg *msg;
3062
13f83980 3063 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM		 3064 (cts >= 0 &&
3065 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3066 (preamble >= 0 &&
3067 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3068 (slot >= 0 &&
3069 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3070 (ht_opmode >= 0 &&
3071 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3072 (ap_isolate >= 0 &&
3073 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)))
3074 goto fail;
e5693c47
JM		 3075
3076 if (basic_rates) {
3077 u8 rates[NL80211_MAX_SUPP_RATES];
3078 u8 rates_len = 0;
3079 int i;
3080
3081 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
3082 i++)
3083 rates[rates_len++] = basic_rates[i] / 5;
3084
a862e4a3
JM		 3085 if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len,
3086 rates))
3087 goto fail;
e5693c47
JM		 3088 }
3089
31357268 3090 return send_and_recv_msgs(drv, msg, NULL, NULL);
a862e4a3 3091fail:
5883168a 3092 nlmsg_free(msg);
31357268
JM		 3093 return -ENOBUFS;
3094}
3095
3096
3c4ca363
VN		 3097static int wpa_driver_nl80211_set_acl(void *priv,
3098 struct hostapd_acl_params *params)
3099{
3100 struct i802_bss *bss = priv;
3101 struct wpa_driver_nl80211_data *drv = bss->drv;
3102 struct nl_msg *msg;
3103 struct nlattr *acl;
3104 unsigned int i;
a862e4a3 3105 int ret;
3c4ca363
VN		 3106
3107 if (!(drv->capa.max_acl_mac_addrs))
3108 return -ENOTSUP;
3109
3110 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3111 return -ENOTSUP;
3112
3c4ca363
VN		 3113 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3114 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3115
9725b784 3116 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM		 3117 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3118 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3119 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
3120 (acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS)) == NULL) {
3121 nlmsg_free(msg);
3122 return -ENOMEM;
3123 }
3c4ca363 3124
a862e4a3
JM		 3125 for (i = 0; i < params->num_mac_acl; i++) {
3126 if (nla_put(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3127 nlmsg_free(msg);
3128 return -ENOMEM;
3129 }
3130 }
3c4ca363
VN		 3131
3132 nla_nest_end(msg, acl);
3133
3134 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN		 3135 if (ret) {
3136 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3137 ret, strerror(-ret));
3138 }
3139
3c4ca363
VN		 3140 return ret;
3141}
3142
3143
19c3b566
JM		 3144static int wpa_driver_nl80211_set_ap(void *priv,
3145 struct wpa_driver_ap_params *params)
d2440ba0 3146{
a2e40bb6
FF		 3147 struct i802_bss *bss = priv;
3148 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 3149 struct nl_msg *msg;
3150 u8 cmd = NL80211_CMD_NEW_BEACON;
3151 int ret;
b4fd6fab 3152 int beacon_set;
b11d1d64 3153 int num_suites;
da1080d7 3154 int smps_mode;
de4ed4a8 3155 u32 suites[10], suite;
b11d1d64 3156 u32 ver;
b4fd6fab 3157
b4fd6fab 3158 beacon_set = bss->beacon_set;
d2440ba0 3159
d2440ba0 3160 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 3161 beacon_set);
3162 if (beacon_set)
d2440ba0
JM		 3163 cmd = NL80211_CMD_SET_BEACON;
3164
b92e08fc
JM		 3165 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3166 params->head, params->head_len);
b92e08fc
JM		 3167 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3168 params->tail, params->tail_len);
13f83980 3169 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 3170 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
b92e08fc 3171 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
b92e08fc
JM		 3172 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3173 params->ssid, params->ssid_len);
13f83980 3174 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 3175 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3176 params->head) ||
3177 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3178 params->tail) ||
a862e4a3
JM		 3179 nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3180 params->beacon_int) ||
3181 nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) ||
3182 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3183 goto fail;
b92e08fc
JM		 3184 if (params->proberesp && params->proberesp_len) {
3185 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3186 params->proberesp, params->proberesp_len);
a862e4a3
JM		 3187 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3188 params->proberesp))
3189 goto fail;
b92e08fc 3190 }
97a7a0b5
JM		 3191 switch (params->hide_ssid) {
3192 case NO_SSID_HIDING:
b92e08fc 3193 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM		 3194 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3195 NL80211_HIDDEN_SSID_NOT_IN_USE))
3196 goto fail;
97a7a0b5
JM		 3197 break;
3198 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 3199 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM		 3200 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3201 NL80211_HIDDEN_SSID_ZERO_LEN))
3202 goto fail;
97a7a0b5
JM		 3203 break;
3204 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 3205 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM		 3206 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3207 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3208 goto fail;
97a7a0b5
JM		 3209 break;
3210 }
b92e08fc 3211 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM		 3212 if (params->privacy &&
3213 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3214 goto fail;
b92e08fc 3215 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 3216 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3217 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3218 /* Leave out the attribute */
a862e4a3
JM		 3219 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3220 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3221 NL80211_AUTHTYPE_SHARED_KEY))
3222 goto fail;
3223 } else {
3224 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3225 NL80211_AUTHTYPE_OPEN_SYSTEM))
3226 goto fail;
3227 }
b11d1d64 3228
b92e08fc 3229 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 3230 ver = 0;
3231 if (params->wpa_version & WPA_PROTO_WPA)
3232 ver |= NL80211_WPA_VERSION_1;
3233 if (params->wpa_version & WPA_PROTO_RSN)
3234 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM		 3235 if (ver &&
3236 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3237 goto fail;
b11d1d64 3238
b92e08fc
JM		 3239 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3240 params->key_mgmt_suites);
b11d1d64
JM		 3241 num_suites = 0;
3242 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3243 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
3244 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3245 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
a862e4a3
JM		 3246 if (num_suites &&
3247 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3248 suites))
3249 goto fail;
b11d1d64 3250
533fe09b 3251 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
a862e4a3
JM		 3252 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40) &&
3253 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
3254 goto fail;
9f12614b 3255
b92e08fc
JM		 3256 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3257 params->pairwise_ciphers);
de4ed4a8
JM		 3258 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3259 suites, ARRAY_SIZE(suites));
a862e4a3
JM		 3260 if (num_suites &&
3261 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3262 num_suites * sizeof(u32), suites))
3263 goto fail;
b11d1d64 3264
b92e08fc
JM		 3265 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3266 params->group_cipher);
de4ed4a8 3267 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM		 3268 if (suite &&
3269 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3270 goto fail;
d2440ba0 3271
da1080d7
EP		 3272 switch (params->smps_mode) {
3273 case HT_CAP_INFO_SMPS_DYNAMIC:
3274 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3275 smps_mode = NL80211_SMPS_DYNAMIC;
3276 break;
3277 case HT_CAP_INFO_SMPS_STATIC:
3278 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3279 smps_mode = NL80211_SMPS_STATIC;
3280 break;
3281 default:
3282 /* invalid - fallback to smps off */
3283 case HT_CAP_INFO_SMPS_DISABLED:
3284 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3285 smps_mode = NL80211_SMPS_OFF;
3286 break;
3287 }
a862e4a3
JM		 3288 if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
3289 goto fail;
da1080d7 3290
fb91db56 3291 if (params->beacon_ies) {
b92e08fc
JM		 3292 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3293 params->beacon_ies);
a862e4a3
JM		 3294 if (nla_put(msg, NL80211_ATTR_IE,
3295 wpabuf_len(params->beacon_ies),
3296 wpabuf_head(params->beacon_ies)))
3297 goto fail;
fb91db56
JM		 3298 }
3299 if (params->proberesp_ies) {
b92e08fc
JM		 3300 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3301 params->proberesp_ies);
a862e4a3
JM		 3302 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3303 wpabuf_len(params->proberesp_ies),
3304 wpabuf_head(params->proberesp_ies)))
3305 goto fail;
fb91db56
JM		 3306 }
3307 if (params->assocresp_ies) {
b92e08fc
JM		 3308 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3309 params->assocresp_ies);
a862e4a3
JM		 3310 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3311 wpabuf_len(params->assocresp_ies),
3312 wpabuf_head(params->assocresp_ies)))
3313 goto fail;
fb91db56
JM		 3314 }
3315
a0133ee1 3316 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 3317 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3318 params->ap_max_inactivity);
a862e4a3
JM		 3319 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3320 params->ap_max_inactivity))
3321 goto fail;
a0133ee1
VT		 3322 }
3323
d2440ba0
JM		 3324 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3325 if (ret) {
3326 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
3327 ret, strerror(-ret));
b4fd6fab 3328 } else {
b4fd6fab 3329 bss->beacon_set = 1;
31357268 3330 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 3331 params->short_slot_time, params->ht_opmode,
e5693c47 3332 params->isolate, params->basic_rates);
e87ef751
PX		 3333 if (beacon_set && params->freq &&
3334 params->freq->bandwidth != bss->bandwidth) {
3335 wpa_printf(MSG_DEBUG,
3336 "nl80211: Update BSS %s bandwidth: %d -> %d",
3337 bss->ifname, bss->bandwidth,
3338 params->freq->bandwidth);
3339 ret = nl80211_set_channel(bss, params->freq, 1);
3340 if (ret) {
3341 wpa_printf(MSG_DEBUG,
3342 "nl80211: Frequency set failed: %d (%s)",
3343 ret, strerror(-ret));
3344 } else {
3345 wpa_printf(MSG_DEBUG,
3346 "nl80211: Frequency set succeeded for ht2040 coex");
3347 bss->bandwidth = params->freq->bandwidth;
3348 }
3349 } else if (!beacon_set) {
3350 /*
3351 * cfg80211 updates the driver on frequence change in AP
3352 * mode only at the point when beaconing is started, so
3353 * set the initial value here.
3354 */
3355 bss->bandwidth = params->freq->bandwidth;
3356 }
b4fd6fab 3357 }
d2440ba0 3358 return ret;
a862e4a3 3359fail:
5883168a 3360 nlmsg_free(msg);
d2440ba0
JM		 3361 return -ENOBUFS;
3362}
3363
3364
1c4ffa87
AO		 3365static int nl80211_put_freq_params(struct nl_msg *msg,
3366 struct hostapd_freq_params *freq)
1581b38b 3367{
a862e4a3
JM		 3368 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
3369 return -ENOBUFS;
3370
89b800d7 3371 if (freq->vht_enabled) {
a862e4a3
JM		 3372 enum nl80211_chan_width cw;
3373
89b800d7
JB		 3374 switch (freq->bandwidth) {
3375 case 20:
a862e4a3 3376 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB		 3377 break;
3378 case 40:
a862e4a3 3379 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB		 3380 break;
3381 case 80:
3382 if (freq->center_freq2)
a862e4a3 3383 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 3384 else
a862e4a3 3385 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB		 3386 break;
3387 case 160:
a862e4a3 3388 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB		 3389 break;
3390 default:
1c4ffa87 3391 return -EINVAL;
89b800d7 3392 }
a862e4a3
JM		 3393
3394 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
3395 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
3396 freq->center_freq1) ||
3397 (freq->center_freq2 &&
3398 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
3399 freq->center_freq2)))
3400 return -ENOBUFS;
89b800d7 3401 } else if (freq->ht_enabled) {
a862e4a3
JM		 3402 enum nl80211_channel_type ct;
3403
89b800d7 3404 switch (freq->sec_channel_offset) {
f019981a 3405 case -1:
a862e4a3 3406 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM		 3407 break;
3408 case 1:
a862e4a3 3409 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM		 3410 break;
3411 default:
a862e4a3 3412 ct = NL80211_CHAN_HT20;
f019981a
JM		 3413 break;
3414 }
a862e4a3
JM		 3415
3416 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
3417 return -ENOBUFS;
f019981a 3418 }
1c4ffa87 3419 return 0;
1c4ffa87
AO		 3420}
3421
3422
e87ef751
PX		 3423static int nl80211_set_channel(struct i802_bss *bss,
3424 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 3425{
3426 struct wpa_driver_nl80211_data *drv = bss->drv;
3427 struct nl_msg *msg;
3428 int ret;
3429
3430 wpa_printf(MSG_DEBUG,
3431 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3432 freq->freq, freq->ht_enabled, freq->vht_enabled,
3433 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 3434
9725b784
JM		 3435 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
3436 NL80211_CMD_SET_WIPHY);
3437 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM		 3438 nlmsg_free(msg);
3439 return -1;
3440 }
1581b38b 3441
d2440ba0 3442 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 3443 if (ret == 0) {
89b800d7 3444 bss->freq = freq->freq;
1581b38b 3445 return 0;
e4fb2167 3446 }
f019981a 3447 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 3448 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM		 3449 return -1;
3450}
3451
0f4e8b4f 3452
95ab6063
AN		 3453static u32 sta_flags_nl80211(int flags)
3454{
3455 u32 f = 0;
3456
3457 if (flags & WPA_STA_AUTHORIZED)
3458 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
3459 if (flags & WPA_STA_WMM)
3460 f |= BIT(NL80211_STA_FLAG_WME);
3461 if (flags & WPA_STA_SHORT_PREAMBLE)
3462 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
3463 if (flags & WPA_STA_MFP)
3464 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 3465 if (flags & WPA_STA_TDLS_PEER)
3466 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC		 3467 if (flags & WPA_STA_AUTHENTICATED)
3468 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
95ab6063
AN		 3469
3470 return f;
3471}
3472
3473
7c7e7877
BC		 3474#ifdef CONFIG_MESH
3475static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
3476{
3477 switch (state) {
3478 case PLINK_LISTEN:
3479 return NL80211_PLINK_LISTEN;
3480 case PLINK_OPEN_SENT:
3481 return NL80211_PLINK_OPN_SNT;
3482 case PLINK_OPEN_RCVD:
3483 return NL80211_PLINK_OPN_RCVD;
3484 case PLINK_CNF_RCVD:
3485 return NL80211_PLINK_CNF_RCVD;
3486 case PLINK_ESTAB:
3487 return NL80211_PLINK_ESTAB;
3488 case PLINK_HOLDING:
3489 return NL80211_PLINK_HOLDING;
3490 case PLINK_BLOCKED:
3491 return NL80211_PLINK_BLOCKED;
3492 default:
3493 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
3494 state);
3495 }
3496 return -1;
3497}
3498#endif /* CONFIG_MESH */
3499
3500
62847751 3501static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 3502 struct hostapd_sta_add_params *params)
3503{
a2e40bb6
FF		 3504 struct i802_bss *bss = priv;
3505 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 3506 struct nl_msg *msg;
95ab6063 3507 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 3508 int ret = -ENOBUFS;
3509
45b722f1
AN		 3510 if ((params->flags & WPA_STA_TDLS_PEER) &&
3511 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
3512 return -EOPNOTSUPP;
3513
e4dea253
JM		 3514 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
3515 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM		 3516 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
3517 NL80211_CMD_NEW_STATION);
3518 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 3519 goto fail;
5551bc9c
BC		 3520
3521 if (!params->set || (params->flags & WPA_STA_TDLS_PEER)) {
5551bc9c
BC		 3522 wpa_hexdump(MSG_DEBUG, " * supported rates",
3523 params->supp_rates, params->supp_rates_len);
a862e4a3
JM		 3524 wpa_printf(MSG_DEBUG, " * capability=0x%x",
3525 params->capability);
3526 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
3527 params->supp_rates_len, params->supp_rates) ||
3528 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
3529 params->capability))
3530 goto fail;
e503861f
JM		 3531
3532 if (params->ht_capabilities) {
3533 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
3534 (u8 *) params->ht_capabilities,
3535 sizeof(*params->ht_capabilities));
a862e4a3
JM		 3536 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
3537 sizeof(*params->ht_capabilities),
3538 params->ht_capabilities))
3539 goto fail;
e503861f
JM		 3540 }
3541
3542 if (params->vht_capabilities) {
3543 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
3544 (u8 *) params->vht_capabilities,
3545 sizeof(*params->vht_capabilities));
a862e4a3
JM		 3546 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
3547 sizeof(*params->vht_capabilities),
3548 params->vht_capabilities))
3549 goto fail;
e503861f
JM		 3550 }
3551
e503861f
JM		 3552 if (params->ext_capab) {
3553 wpa_hexdump(MSG_DEBUG, " * ext_capab",
3554 params->ext_capab, params->ext_capab_len);
a862e4a3
JM		 3555 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
3556 params->ext_capab_len, params->ext_capab))
3557 goto fail;
e503861f 3558 }
5551bc9c 3559 }
45b722f1 3560 if (!params->set) {
f11b72c3
JM		 3561 if (params->aid) {
3562 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM		 3563 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
3564 goto fail;
f11b72c3
JM		 3565 } else {
3566 /*
3567 * cfg80211 validates that AID is non-zero, so we have
3568 * to make this a non-zero value for the TDLS case where
3569 * a dummy STA entry is used for now.
3570 */
3571 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
a862e4a3
JM		 3572 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
3573 goto fail;
f11b72c3 3574 }
e4dea253
JM		 3575 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
3576 params->listen_interval);
a862e4a3
JM		 3577 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
3578 params->listen_interval))
3579 goto fail;
e112764e
JM		 3580 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
3581 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM		 3582 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
3583 goto fail;
45b722f1 3584 }
05a8d422 3585
8a458116
MK		 3586 if (params->vht_opmode_enabled) {
3587 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM		 3588 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
3589 params->vht_opmode))
3590 goto fail;
8a458116
MK		 3591 }
3592
efc64886
SD		 3593 if (params->supp_channels) {
3594 wpa_hexdump(MSG_DEBUG, " * supported channels",
3595 params->supp_channels, params->supp_channels_len);
a862e4a3
JM		 3596 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
3597 params->supp_channels_len, params->supp_channels))
3598 goto fail;
efc64886
SD		 3599 }
3600
3601 if (params->supp_oper_classes) {
3602 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
3603 params->supp_oper_classes,
3604 params->supp_oper_classes_len);
a862e4a3
JM		 3605 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
3606 params->supp_oper_classes_len,
3607 params->supp_oper_classes))
3608 goto fail;
efc64886
SD		 3609 }
3610
95ab6063 3611 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC		 3612 upd.set = sta_flags_nl80211(params->flags);
3613 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
e4dea253
JM		 3614 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
3615 upd.set, upd.mask);
a862e4a3
JM		 3616 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
3617 goto fail;
95ab6063 3618
7c7e7877 3619#ifdef CONFIG_MESH
a862e4a3
JM		 3620 if (params->plink_state &&
3621 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
3622 sta_plink_state_nl80211(params->plink_state)))
3623 goto fail;
7c7e7877
BC		 3624#endif /* CONFIG_MESH */
3625
774bfa62 3626 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 3627 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
3628
e4dea253 3629 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM		 3630 if (!wme ||
3631 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
3632 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
3633 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
3634 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
3635 WMM_QOSINFO_STA_SP_MASK))
3636 goto fail;
8970bae8 3637 nla_nest_end(msg, wme);
774bfa62
EP		 3638 }
3639
0f4e8b4f 3640 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 3641 msg = NULL;
0f4e8b4f 3642 if (ret)
45b722f1
AN		 3643 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
3644 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
3645 strerror(-ret));
0f4e8b4f
JM		 3646 if (ret == -EEXIST)
3647 ret = 0;
a862e4a3 3648fail:
5883168a 3649 nlmsg_free(msg);
0f4e8b4f
JM		 3650 return ret;
3651}
3652
3653
97ed9a06
KP		 3654static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
3655{
3656#ifdef CONFIG_LIBNL3_ROUTE
3657 struct wpa_driver_nl80211_data *drv = bss->drv;
3658 struct rtnl_neigh *rn;
3659 struct nl_addr *nl_addr;
3660 int err;
3661
3662 rn = rtnl_neigh_alloc();
3663 if (!rn)
3664 return;
3665
3666 rtnl_neigh_set_family(rn, AF_BRIDGE);
3667 rtnl_neigh_set_ifindex(rn, bss->ifindex);
3668 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
3669 if (!nl_addr) {
3670 rtnl_neigh_put(rn);
3671 return;
3672 }
3673 rtnl_neigh_set_lladdr(rn, nl_addr);
3674
3675 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
3676 if (err < 0) {
3677 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
3678 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
3679 bss->ifindex, nl_geterror(err));
3680 } else {
3681 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
3682 MACSTR, MAC2STR(addr));
3683 }
3684
3685 nl_addr_put(nl_addr);
3686 rtnl_neigh_put(rn);
3687#endif /* CONFIG_LIBNL3_ROUTE */
3688}
3689
3690
59d7148a
JM		 3691static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
3692 int deauth, u16 reason_code)
0f4e8b4f 3693{
a2e40bb6 3694 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 3695 struct nl_msg *msg;
3696 int ret;
3697
13f83980 3698 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM		 3699 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
3700 (deauth == 0 &&
3701 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3702 WLAN_FC_STYPE_DISASSOC)) ||
3703 (deauth == 1 &&
3704 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3705 WLAN_FC_STYPE_DEAUTH)) ||
3706 (reason_code &&
3707 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
3708 nlmsg_free(msg);
3709 return -ENOBUFS;
3710 }
0f4e8b4f
JM		 3711
3712 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 3713 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
3714 " --> %d (%s)",
3715 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 3716
3717 if (drv->rtnl_sk)
3718 rtnl_neigh_delete_fdb_entry(bss, addr);
3719
0f4e8b4f
JM		 3720 if (ret == -ENOENT)
3721 return 0;
3722 return ret;
0f4e8b4f
JM		 3723}
3724
1581b38b 3725
f3407c66 3726void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM		 3727{
3728 struct nl_msg *msg;
de884303 3729 struct wpa_driver_nl80211_data *drv2;
0915d02c 3730
c6e8e8e4
JM		 3731 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
3732
2135f224 3733 /* stop listening for EAPOL on this interface */
de884303
JM		 3734 dl_list_for_each(drv2, &drv->global->interfaces,
3735 struct wpa_driver_nl80211_data, list)
3736 del_ifidx(drv2, ifidx);
2135f224 3737
95376e1a 3738 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 3739 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
3740 return;
e748062b 3741 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 3742}
3743
3744
a1922f93
JM		 3745static const char * nl80211_iftype_str(enum nl80211_iftype mode)
3746{
3747 switch (mode) {
3748 case NL80211_IFTYPE_ADHOC:
3749 return "ADHOC";
3750 case NL80211_IFTYPE_STATION:
3751 return "STATION";
3752 case NL80211_IFTYPE_AP:
3753 return "AP";
1045ec36
JM		 3754 case NL80211_IFTYPE_AP_VLAN:
3755 return "AP_VLAN";
3756 case NL80211_IFTYPE_WDS:
3757 return "WDS";
a1922f93
JM		 3758 case NL80211_IFTYPE_MONITOR:
3759 return "MONITOR";
1045ec36
JM		 3760 case NL80211_IFTYPE_MESH_POINT:
3761 return "MESH_POINT";
a1922f93
JM		 3762 case NL80211_IFTYPE_P2P_CLIENT:
3763 return "P2P_CLIENT";
3764 case NL80211_IFTYPE_P2P_GO:
3765 return "P2P_GO";
7aad838c
NS		 3766 case NL80211_IFTYPE_P2P_DEVICE:
3767 return "P2P_DEVICE";
a1922f93
JM		 3768 default:
3769 return "unknown";
3770 }
3771}
3772
3773
a35187e7
KH		 3774static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
3775 const char *ifname,
3776 enum nl80211_iftype iftype,
d6dcfcda
DS		 3777 const u8 *addr, int wds,
3778 int (*handler)(struct nl_msg *, void *),
3779 void *arg)
0915d02c 3780{
8970bae8 3781 struct nl_msg *msg;
0915d02c
JM		 3782 int ifidx;
3783 int ret = -ENOBUFS;
3784
a1922f93
JM		 3785 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
3786 iftype, nl80211_iftype_str(iftype));
3787
56f77852
JM		 3788 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
3789 if (!msg ||
a862e4a3
JM		 3790 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
3791 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
3792 goto fail;
0915d02c
JM		 3793
3794 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 3795 struct nlattr *flags;
0915d02c 3796
8970bae8 3797 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM		 3798 if (!flags ||
3799 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
3800 goto fail;
0915d02c 3801
8970bae8 3802 nla_nest_end(msg, flags);
fbbfcbac 3803 } else if (wds) {
a862e4a3
JM		 3804 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
3805 goto fail;
0915d02c
JM		 3806 }
3807
52f5877a
IP		 3808 /*
3809 * Tell cfg80211 that the interface belongs to the socket that created
3810 * it, and the interface should be deleted when the socket is closed.
3811 */
a862e4a3
JM		 3812 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
3813 goto fail;
52f5877a 3814
d6dcfcda 3815 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 3816 msg = NULL;
0915d02c 3817 if (ret) {
a862e4a3 3818 fail:
5883168a 3819 nlmsg_free(msg);
a35187e7
KH		 3820 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
3821 ifname, ret, strerror(-ret));
0915d02c
JM		 3822 return ret;
3823 }
3824
f632e483 3825 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 3826 return 0;
6bae92e0 3827
0915d02c 3828 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 3829 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
3830 ifname, ifidx);
0915d02c
JM		 3831
3832 if (ifidx <= 0)
3833 return -1;
3834
147848ec
JM		 3835 /*
3836 * Some virtual interfaces need to process EAPOL packets and events on
3837 * the parent interface. This is used mainly with hostapd.
3838 */
3839 if (drv->hostapd ||
3840 iftype == NL80211_IFTYPE_AP_VLAN ||
3841 iftype == NL80211_IFTYPE_WDS ||
3842 iftype == NL80211_IFTYPE_MONITOR) {
3843 /* start listening for EAPOL on this interface */
3844 add_ifidx(drv, ifidx);
3845 }
2135f224 3846
7bfc47c3 3847 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 3848 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 3849 nl80211_remove_iface(drv, ifidx);
3850 return -1;
2135f224 3851 }
2135f224 3852
0915d02c
JM		 3853 return ifidx;
3854}
22a7c9d7
JM		 3855
3856
f3407c66
JM		 3857int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
3858 const char *ifname, enum nl80211_iftype iftype,
3859 const u8 *addr, int wds,
3860 int (*handler)(struct nl_msg *, void *),
3861 void *arg, int use_existing)
a35187e7
KH		 3862{
3863 int ret;
3864
d6dcfcda
DS		 3865 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
3866 arg);
a35187e7 3867
ffbf1eaa 3868 /* if error occurred and interface exists already */
a35187e7 3869 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 3870 if (use_existing) {
3871 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
3872 ifname);
6997f8ba
JM		 3873 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
3874 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
3875 addr) < 0 &&
3876 (linux_set_iface_flags(drv->global->ioctl_sock,
3877 ifname, 0) < 0 ||
3878 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
3879 addr) < 0 ||
3880 linux_set_iface_flags(drv->global->ioctl_sock,
3881 ifname, 1) < 0))
3882 return -1;
2aec4f3c
JM		 3883 return -ENFILE;
3884 }
a35187e7
KH		 3885 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
3886
3887 /* Try to remove the interface that was already there. */
3888 nl80211_remove_iface(drv, if_nametoindex(ifname));
3889
3890 /* Try to create the interface again */
fbbfcbac 3891 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 3892 wds, handler, arg);
a35187e7
KH		 3893 }
3894
3e208481
JM		 3895 if (ret >= 0 && is_p2p_net_interface(iftype)) {
3896 wpa_printf(MSG_DEBUG,
3897 "nl80211: Interface %s created for P2P - disable 11b rates",
3898 ifname);
4e5cb1a3 3899 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 3900 }
4e5cb1a3 3901
a35187e7
KH		 3902 return ret;
3903}
0915d02c 3904
2135f224 3905
3fd1cefb
JB		 3906static int nl80211_setup_ap(struct i802_bss *bss)
3907{
3908 struct wpa_driver_nl80211_data *drv = bss->drv;
3909
748c0ac0
JM		 3910 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
3911 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 3912
a11241fa
JB		 3913 /*
3914 * Disable Probe Request reporting unless we need it in this way for
3915 * devices that include the AP SME, in the other case (unless using
3916 * monitor iface) we'll get it through the nl_mgmt socket instead.
3917 */
3918 if (!drv->device_ap_sme)
3919 wpa_driver_nl80211_probe_req_report(bss, 0);
3920
3921 if (!drv->device_ap_sme && !drv->use_monitor)
3922 if (nl80211_mgmt_subscribe_ap(bss))
3923 return -1;
3924
a6cc0602
JM		 3925 if (drv->device_ap_sme && !drv->use_monitor)
3926 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
3927 return -1;
3928
a11241fa 3929 if (!drv->device_ap_sme && drv->use_monitor &&
3fd1cefb
JB		 3930 nl80211_create_monitor_interface(drv) &&
3931 !drv->device_ap_sme)
3932 return -1;
3933
3934 if (drv->device_ap_sme &&
3935 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
3936 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
3937 "Probe Request frame reporting in AP mode");
3938 /* Try to survive without this */
3939 }
3940
3941 return 0;
3942}
3943
3944
3945static void nl80211_teardown_ap(struct i802_bss *bss)
3946{
3947 struct wpa_driver_nl80211_data *drv = bss->drv;
3948
748c0ac0
JM		 3949 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
3950 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 3951 if (drv->device_ap_sme) {
3fd1cefb 3952 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 3953 if (!drv->use_monitor)
3954 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
3955 } else if (drv->use_monitor)
3fd1cefb 3956 nl80211_remove_monitor_interface(drv);
a11241fa 3957 else
36488c05 3958 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 3959
3fd1cefb
JB		 3960 bss->beacon_set = 0;
3961}
3962
3963
f10bfc9a
JM		 3964static int nl80211_send_eapol_data(struct i802_bss *bss,
3965 const u8 *addr, const u8 *data,
d12dab4c 3966 size_t data_len)
f10bfc9a 3967{
d12dab4c
JB		 3968 struct sockaddr_ll ll;
3969 int ret;
3970
3971 if (bss->drv->eapol_tx_sock < 0) {
3972 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 3973 return -1;
3974 }
3975
d12dab4c
JB		 3976 os_memset(&ll, 0, sizeof(ll));
3977 ll.sll_family = AF_PACKET;
3978 ll.sll_ifindex = bss->ifindex;
3979 ll.sll_protocol = htons(ETH_P_PAE);
3980 ll.sll_halen = ETH_ALEN;
3981 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
3982 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
3983 (struct sockaddr *) &ll, sizeof(ll));
3984 if (ret < 0)
3985 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
3986 strerror(errno));
3987
3988 return ret;
f10bfc9a 3989}
5fb1a232 3990
f10bfc9a 3991
db149ac9
JM		 3992static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
3993
3994static int wpa_driver_nl80211_hapd_send_eapol(
3995 void *priv, const u8 *addr, const u8 *data,
4378fc14 3996 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 3997{
a2e40bb6
FF		 3998 struct i802_bss *bss = priv;
3999 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 4000 struct ieee80211_hdr *hdr;
4001 size_t len;
4002 u8 *pos;
4003 int res;
4378fc14 4004 int qos = flags & WPA_STA_WMM;
db149ac9 4005
a11241fa 4006 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 4007 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 4008
db149ac9
JM		 4009 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4010 data_len;
4011 hdr = os_zalloc(len);
4012 if (hdr == NULL) {
7ac3616d
JM		 4013 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4014 (unsigned long) len);
db149ac9
JM		 4015 return -1;
4016 }
4017
4018 hdr->frame_control =
4019 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4020 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4021 if (encrypt)
4022 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 4023 if (qos) {
4024 hdr->frame_control |=
4025 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4026 }
db149ac9
JM		 4027
4028 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4029 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4030 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4031 pos = (u8 *) (hdr + 1);
4032
db149ac9 4033 if (qos) {
92d521d8
FF		 4034 /* Set highest priority in QoS header */
4035 pos[0] = 7;
db149ac9
JM		 4036 pos[1] = 0;
4037 pos += 2;
4038 }
db149ac9
JM		 4039
4040 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4041 pos += sizeof(rfc1042_header);
4042 WPA_PUT_BE16(pos, ETH_P_PAE);
4043 pos += 2;
4044 memcpy(pos, data, data_len);
4045
55231068
JM		 4046 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
4047 0, 0, 0, 0);
db149ac9
JM		 4048 if (res < 0) {
4049 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4050 "failed: %d (%s)",
4051 (unsigned long) len, errno, strerror(errno));
4052 }
7bf12757 4053 os_free(hdr);
db149ac9
JM		 4054
4055 return res;
4056}
4057
a8d6ffa4 4058
3234cba4
JM		 4059static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
4060 int total_flags,
4c32757d 4061 int flags_or, int flags_and)
a8d6ffa4 4062{
a2e40bb6 4063 struct i802_bss *bss = priv;
8970bae8
JB		 4064 struct nl_msg *msg;
4065 struct nlattr *flags;
7e76ee9c 4066 struct nl80211_sta_flag_update upd;
a8d6ffa4 4067
0cd9846c
JM		 4068 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4069 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4070 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4071 !!(total_flags & WPA_STA_AUTHORIZED));
4072
13f83980 4073 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 4074 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4075 goto fail;
a8d6ffa4 4076
7e76ee9c
JM		 4077 /*
4078 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4079 * can be removed eventually.
4080 */
8970bae8 4081 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM		 4082 if (!flags ||
4083 ((total_flags & WPA_STA_AUTHORIZED) &&
4084 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4085 ((total_flags & WPA_STA_WMM) &&
4086 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4087 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4088 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4089 ((total_flags & WPA_STA_MFP) &&
4090 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4091 ((total_flags & WPA_STA_TDLS_PEER) &&
4092 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4093 goto fail;
45b722f1 4094
8970bae8 4095 nla_nest_end(msg, flags);
a8d6ffa4 4096
7e76ee9c
JM		 4097 os_memset(&upd, 0, sizeof(upd));
4098 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4099 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM		 4100 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4101 goto fail;
7e76ee9c 4102
13f83980 4103 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 4104fail:
5883168a 4105 nlmsg_free(msg);
a8d6ffa4
JM		 4106 return -ENOBUFS;
4107}
4108
0915d02c 4109
1581b38b
JM		 4110static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4111 struct wpa_driver_associate_params *params)
4112{
708bc8e0 4113 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 4114
4115 if (params->p2p) {
046b26a2
JM		 4116 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4117 "group (GO)");
b1f625e0
EP		 4118 nlmode = NL80211_IFTYPE_P2P_GO;
4119 } else
4120 nlmode = NL80211_IFTYPE_AP;
4121
708bc8e0 4122 old_mode = drv->nlmode;
834ee56f 4123 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 4124 nl80211_remove_monitor_interface(drv);
4125 return -1;
4126 }
4127
4ec68377 4128 if (nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 4129 if (old_mode != nlmode)
834ee56f 4130 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 4131 nl80211_remove_monitor_interface(drv);
1581b38b 4132 return -1;
0915d02c 4133 }
1581b38b 4134
1581b38b
JM		 4135 return 0;
4136}
1581b38b
JM		 4137
4138
666e508c
JM		 4139static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4140 int reset_mode)
5cc4d64b
JM		 4141{
4142 struct nl_msg *msg;
9725b784 4143 int ret;
a862e4a3 4144
9725b784 4145 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 4146 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM		 4147 if (ret) {
4148 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4149 "(%s)", ret, strerror(-ret));
9725b784
JM		 4150 } else {
4151 wpa_printf(MSG_DEBUG,
4152 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM		 4153 }
4154
666e508c
JM		 4155 if (reset_mode &&
4156 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 4157 NL80211_IFTYPE_STATION)) {
4158 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4159 "station mode");
4160 }
4161
5cc4d64b
JM		 4162 return ret;
4163}
4164
4165
4166static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
4167 struct wpa_driver_associate_params *params)
4168{
4169 struct nl_msg *msg;
4170 int ret = -1;
4171 int count = 0;
4172
4173 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
4174
4ec68377 4175 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 4176 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4177 "IBSS mode");
4178 return -1;
4179 }
4180
4181retry:
9725b784 4182 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM		 4183 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
4184 goto fail;
5cc4d64b
JM		 4185
4186 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4187 params->ssid, params->ssid_len);
a862e4a3
JM		 4188 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4189 goto fail;
5cc4d64b
JM		 4190 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4191 drv->ssid_len = params->ssid_len;
4192
4ec68377
JD		 4193 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
4194 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", params->freq.ht_enabled);
4195 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4196 params->freq.sec_channel_offset);
4197 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", params->freq.vht_enabled);
4198 wpa_printf(MSG_DEBUG, " * center_freq1=%d", params->freq.center_freq1);
4199 wpa_printf(MSG_DEBUG, " * center_freq2=%d", params->freq.center_freq2);
4200 wpa_printf(MSG_DEBUG, " * bandwidth=%d", params->freq.bandwidth);
4201 if (nl80211_put_freq_params(msg, &params->freq) < 0)
a862e4a3 4202 goto fail;
5cc4d64b 4203
8f05577d
JM		 4204 if (params->beacon_int > 0) {
4205 wpa_printf(MSG_DEBUG, " * beacon_int=%d", params->beacon_int);
a862e4a3
JM		 4206 if (nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
4207 params->beacon_int))
4208 goto fail;
8f05577d
JM		 4209 }
4210
5cc4d64b
JM		 4211 ret = nl80211_set_conn_keys(params, msg);
4212 if (ret)
a862e4a3 4213 goto fail;
5cc4d64b 4214
913e3cf7
NC		 4215 if (params->bssid && params->fixed_bssid) {
4216 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
4217 MAC2STR(params->bssid));
a862e4a3
JM		 4218 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4219 goto fail;
913e3cf7
NC		 4220 }
4221
4848a38d
JM		 4222 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4223 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4224 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4225 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 4226 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM		 4227 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4228 goto fail;
e640888c
AQ		 4229 }
4230
a95795ad
JM		 4231 if (params->wpa_ie) {
4232 wpa_hexdump(MSG_DEBUG,
4233 " * Extra IEs for Beacon/Probe Response frames",
4234 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 4235 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
4236 params->wpa_ie))
4237 goto fail;
a95795ad
JM		 4238 }
4239
5cc4d64b
JM		 4240 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4241 msg = NULL;
4242 if (ret) {
4243 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
4244 ret, strerror(-ret));
4245 count++;
4246 if (ret == -EALREADY && count == 1) {
4247 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
4248 "forced leave");
666e508c 4249 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM		 4250 nlmsg_free(msg);
4251 goto retry;
4252 }
a862e4a3
JM		 4253 } else {
4254 wpa_printf(MSG_DEBUG,
4255 "nl80211: Join IBSS request sent successfully");
5cc4d64b 4256 }
5cc4d64b 4257
a862e4a3 4258fail:
5cc4d64b
JM		 4259 nlmsg_free(msg);
4260 return ret;
4261}
4262
4263
a0bdd191
JM		 4264static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
4265 struct wpa_driver_associate_params *params,
4266 struct nl_msg *msg)
cfaab580 4267{
cfaab580
ZY		 4268 if (params->bssid) {
4269 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4270 MAC2STR(params->bssid));
a862e4a3
JM		 4271 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4272 return -1;
cfaab580 4273 }
a0bdd191 4274
7ac7fd43
DS		 4275 if (params->bssid_hint) {
4276 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
4277 MAC2STR(params->bssid_hint));
a862e4a3
JM		 4278 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
4279 params->bssid_hint))
4280 return -1;
7ac7fd43
DS		 4281 }
4282
4ec68377
JD		 4283 if (params->freq.freq) {
4284 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM		 4285 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
4286 params->freq.freq))
4287 return -1;
4ec68377 4288 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 4289 } else
4290 drv->assoc_freq = 0;
a0bdd191 4291
7ac7fd43
DS		 4292 if (params->freq_hint) {
4293 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM		 4294 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
4295 params->freq_hint))
4296 return -1;
7ac7fd43
DS		 4297 }
4298
1f6c0ab8
BS		 4299 if (params->bg_scan_period >= 0) {
4300 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
4301 params->bg_scan_period);
a862e4a3
JM		 4302 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
4303 params->bg_scan_period))
4304 return -1;
1f6c0ab8 4305 }
a0bdd191 4306
cfaab580
ZY		 4307 if (params->ssid) {
4308 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4309 params->ssid, params->ssid_len);
a862e4a3
JM		 4310 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4311 params->ssid))
4312 return -1;
cfaab580 4313 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 4314 return -1;
cfaab580
ZY		 4315 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4316 drv->ssid_len = params->ssid_len;
4317 }
a0bdd191 4318
cfaab580 4319 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 4320 if (params->wpa_ie &&
4321 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
4322 return -1;
cfaab580 4323
64fa840a
JM		 4324 if (params->wpa_proto) {
4325 enum nl80211_wpa_versions ver = 0;
cfaab580 4326
64fa840a
JM		 4327 if (params->wpa_proto & WPA_PROTO_WPA)
4328 ver |= NL80211_WPA_VERSION_1;
4329 if (params->wpa_proto & WPA_PROTO_RSN)
4330 ver |= NL80211_WPA_VERSION_2;
cfaab580 4331
64fa840a 4332 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM		 4333 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4334 return -1;
cfaab580
ZY		 4335 }
4336
4848a38d 4337 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 4338 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
4339 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM		 4340 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4341 cipher))
4342 return -1;
cfaab580
ZY		 4343 }
4344
ae6f9272
JM		 4345 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
4346 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
4347 /*
4348 * This is likely to work even though many drivers do not
4349 * advertise support for operations without GTK.
4350 */
4351 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4352 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 4353 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
4354 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM		 4355 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
4356 return -1;
cfaab580
ZY		 4357 }
4358
4848a38d
JM		 4359 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4360 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4361 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
4362 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 4363 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 4364 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
4365 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8
JM		 4366 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4367 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
cfaab580
ZY		 4368 int mgmt = WLAN_AKM_SUITE_PSK;
4369
4370 switch (params->key_mgmt_suite) {
4848a38d 4371 case WPA_KEY_MGMT_CCKM:
369c8d7b
JM		 4372 mgmt = WLAN_AKM_SUITE_CCKM;
4373 break;
4848a38d 4374 case WPA_KEY_MGMT_IEEE8021X:
cfaab580
ZY		 4375 mgmt = WLAN_AKM_SUITE_8021X;
4376 break;
4848a38d 4377 case WPA_KEY_MGMT_FT_IEEE8021X:
6a1ce395
DG		 4378 mgmt = WLAN_AKM_SUITE_FT_8021X;
4379 break;
4848a38d 4380 case WPA_KEY_MGMT_FT_PSK:
6a1ce395
DG		 4381 mgmt = WLAN_AKM_SUITE_FT_PSK;
4382 break;
8802326f
JJ		 4383 case WPA_KEY_MGMT_IEEE8021X_SHA256:
4384 mgmt = WLAN_AKM_SUITE_8021X_SHA256;
4385 break;
4386 case WPA_KEY_MGMT_PSK_SHA256:
4387 mgmt = WLAN_AKM_SUITE_PSK_SHA256;
4388 break;
163f801e
JM		 4389 case WPA_KEY_MGMT_OSEN:
4390 mgmt = WLAN_AKM_SUITE_OSEN;
4391 break;
666497c8
JM		 4392 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
4393 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
4394 break;
4848a38d 4395 case WPA_KEY_MGMT_PSK:
cfaab580
ZY		 4396 default:
4397 mgmt = WLAN_AKM_SUITE_PSK;
4398 break;
4399 }
163f801e 4400 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM		 4401 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
4402 return -1;
cfaab580
ZY		 4403 }
4404
a862e4a3
JM		 4405 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4406 return -1;
a0bdd191 4407
a862e4a3
JM		 4408 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
4409 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
4410 return -1;
a565084f 4411
58162adf
AK		 4412 if (params->rrm_used) {
4413 u32 drv_rrm_flags = drv->capa.rrm_flags;
4414 if (!(drv_rrm_flags &
4415 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) ||
a862e4a3
JM		 4416 !(drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET) ||
4417 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
4418 return -1;
58162adf
AK		 4419 }
4420
a862e4a3
JM		 4421 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4422 return -1;
80e8a5ee
BG		 4423
4424 if (params->htcaps && params->htcaps_mask) {
4425 int sz = sizeof(struct ieee80211_ht_capabilities);
6d99bd80 4426 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
6d99bd80
JM		 4427 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4428 params->htcaps_mask, sz);
a862e4a3
JM		 4429 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4430 params->htcaps) ||
4431 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4432 params->htcaps_mask))
4433 return -1;
80e8a5ee
BG		 4434 }
4435
e9ee8dc3
JB		 4436#ifdef CONFIG_VHT_OVERRIDES
4437 if (params->disable_vht) {
4438 wpa_printf(MSG_DEBUG, " * VHT disabled");
a862e4a3
JM		 4439 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4440 return -1;
e9ee8dc3
JB		 4441 }
4442
4443 if (params->vhtcaps && params->vhtcaps_mask) {
4444 int sz = sizeof(struct ieee80211_vht_capabilities);
6d99bd80 4445 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
6d99bd80
JM		 4446 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
4447 params->vhtcaps_mask, sz);
a862e4a3
JM		 4448 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
4449 params->vhtcaps) ||
4450 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
4451 params->vhtcaps_mask))
4452 return -1;
e9ee8dc3
JB		 4453 }
4454#endif /* CONFIG_VHT_OVERRIDES */
4455
a0bdd191
JM		 4456 if (params->p2p)
4457 wpa_printf(MSG_DEBUG, " * P2P group");
4458
4459 return 0;
a0bdd191
JM		 4460}
4461
4462
4463static int wpa_driver_nl80211_try_connect(
4464 struct wpa_driver_nl80211_data *drv,
4465 struct wpa_driver_associate_params *params)
4466{
4467 struct nl_msg *msg;
4468 enum nl80211_auth_type type;
4469 int ret;
4470 int algs;
4471
b41f2684
CL		 4472 if (params->req_key_mgmt_offload && params->psk &&
4473 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4474 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4475 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
4476 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
4477 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
4478 if (ret)
4479 return ret;
4480 }
4481
9725b784
JM		 4482 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
4483 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM		 4484 if (!msg)
4485 return -1;
4486
a0bdd191
JM		 4487 ret = nl80211_connect_common(drv, params, msg);
4488 if (ret)
a862e4a3 4489 goto fail;
a0bdd191
JM		 4490
4491 algs = 0;
4492 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4493 algs++;
4494 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4495 algs++;
4496 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4497 algs++;
4498 if (algs > 1) {
4499 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
4500 "selection");
4501 goto skip_auth_type;
4502 }
4503
4504 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4505 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
4506 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4507 type = NL80211_AUTHTYPE_SHARED_KEY;
4508 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4509 type = NL80211_AUTHTYPE_NETWORK_EAP;
4510 else if (params->auth_alg & WPA_AUTH_ALG_FT)
4511 type = NL80211_AUTHTYPE_FT;
4512 else
a862e4a3 4513 goto fail;
a0bdd191
JM		 4514
4515 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
a862e4a3
JM		 4516 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
4517 goto fail;
a0bdd191
JM		 4518
4519skip_auth_type:
cfaab580
ZY		 4520 ret = nl80211_set_conn_keys(params, msg);
4521 if (ret)
a862e4a3 4522 goto fail;
cfaab580
ZY		 4523
4524 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4525 msg = NULL;
4526 if (ret) {
4527 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
4528 "(%s)", ret, strerror(-ret));
a862e4a3
JM		 4529 } else {
4530 wpa_printf(MSG_DEBUG,
4531 "nl80211: Connect request send successfully");
cfaab580 4532 }
cfaab580 4533
a862e4a3 4534fail:
cfaab580
ZY		 4535 nlmsg_free(msg);
4536 return ret;
4537
4538}
4539
4540
a8c5b43a
CW		 4541static int wpa_driver_nl80211_connect(
4542 struct wpa_driver_nl80211_data *drv,
4543 struct wpa_driver_associate_params *params)
4544{
0d4e3d1d
JJ		 4545 int ret;
4546
4547 /* Store the connection attempted bssid for future use */
4548 if (params->bssid)
4549 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
4550 else
4551 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
4552
4553 ret = wpa_driver_nl80211_try_connect(drv, params);
a8c5b43a
CW		 4554 if (ret == -EALREADY) {
4555 /*
4556 * cfg80211 does not currently accept new connections if
4557 * we are already connected. As a workaround, force
4558 * disconnection and try again.
4559 */
4560 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
4561 "disconnecting before reassociation "
4562 "attempt");
4563 if (wpa_driver_nl80211_disconnect(
4564 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
4565 return -1;
a8c5b43a
CW		 4566 ret = wpa_driver_nl80211_try_connect(drv, params);
4567 }
4568 return ret;
4569}
4570
4571
c2a04078
JM		 4572static int wpa_driver_nl80211_associate(
4573 void *priv, struct wpa_driver_associate_params *params)
4574{
a2e40bb6
FF		 4575 struct i802_bss *bss = priv;
4576 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 4577 int ret = -1;
c2a04078
JM		 4578 struct nl_msg *msg;
4579
4bd71954
JM		 4580 nl80211_unmask_11b_rates(bss);
4581
5cc4d64b 4582 if (params->mode == IEEE80211_MODE_AP)
1581b38b 4583 return wpa_driver_nl80211_ap(drv, params);
1581b38b 4584
5cc4d64b
JM		 4585 if (params->mode == IEEE80211_MODE_IBSS)
4586 return wpa_driver_nl80211_ibss(drv, params);
4587
4a867032 4588 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 4589 enum nl80211_iftype nlmode = params->p2p ?
4590 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
4591
4592 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 4593 return -1;
cfaab580 4594 return wpa_driver_nl80211_connect(drv, params);
4a867032 4595 }
cfaab580 4596
add9b7a4 4597 nl80211_mark_disconnected(drv);
c2a04078 4598
c2a04078
JM		 4599 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
4600 drv->ifindex);
9725b784
JM		 4601 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
4602 if (!msg)
4603 return -1;
c2a04078 4604
a0bdd191
JM		 4605 ret = nl80211_connect_common(drv, params, msg);
4606 if (ret)
a862e4a3 4607 goto fail;
01652550 4608
62fa124c
JM		 4609 if (params->prev_bssid) {
4610 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
4611 MAC2STR(params->prev_bssid));
a862e4a3
JM		 4612 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
4613 params->prev_bssid))
4614 goto fail;
62fa124c
JM		 4615 }
4616
c2a04078
JM		 4617 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4618 msg = NULL;
4619 if (ret) {
3b7ea880
BG		 4620 wpa_dbg(drv->ctx, MSG_DEBUG,
4621 "nl80211: MLME command failed (assoc): ret=%d (%s)",
4622 ret, strerror(-ret));
8856462d 4623 nl80211_dump_scan(drv);
a862e4a3
JM		 4624 } else {
4625 wpa_printf(MSG_DEBUG,
4626 "nl80211: Association request send successfully");
c2a04078 4627 }
c2a04078 4628
a862e4a3 4629fail:
c2a04078
JM		 4630 nlmsg_free(msg);
4631 return ret;
4632}
3f5285e8
JM		 4633
4634
ad1e68e6 4635static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 4636 int ifindex, enum nl80211_iftype mode)
3f5285e8 4637{
3f5285e8 4638 struct nl_msg *msg;
ad1e68e6
JM		 4639 int ret = -ENOBUFS;
4640
a1922f93
JM		 4641 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
4642 ifindex, mode, nl80211_iftype_str(mode));
4643
56f77852
JM		 4644 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
4645 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 4646 goto fail;
ad1e68e6
JM		 4647
4648 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4649 msg = NULL;
ad1e68e6
JM		 4650 if (!ret)
4651 return 0;
a862e4a3 4652fail:
5883168a 4653 nlmsg_free(msg);
ad1e68e6
JM		 4654 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
4655 " %d (%s)", ifindex, mode, ret, strerror(-ret));
4656 return ret;
4657}
4658
4659
3c5d34e3
CW		 4660static int wpa_driver_nl80211_set_mode_impl(
4661 struct i802_bss *bss,
4662 enum nl80211_iftype nlmode,
4663 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 4664{
a2e40bb6 4665 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 4666 int ret = -1;
26af9dca 4667 int i;
86957e62 4668 int was_ap = is_ap_interface(drv->nlmode);
671a5039 4669 int res;
ebffdbc4 4670 int mode_switch_res;
1581b38b 4671
ebffdbc4
CW		 4672 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4673 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
4674 mode_switch_res = 0;
8e12685c 4675
ebffdbc4 4676 if (mode_switch_res == 0) {
ad1e68e6 4677 drv->nlmode = nlmode;
460456f8
JM		 4678 ret = 0;
4679 goto done;
ad1e68e6 4680 }
3f5285e8 4681
ebffdbc4 4682 if (mode_switch_res == -ENODEV)
671a5039
JM		 4683 return -1;
4684
460456f8 4685 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 4686 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
4687 "requested mode - ignore error");
460456f8
JM		 4688 ret = 0;
4689 goto done; /* Already in the requested mode */
4690 }
3f5285e8 4691
3f5285e8
JM		 4692 /* mac80211 doesn't allow mode changes while the device is up, so
4693 * take the device down, try to set the mode again, and bring the
4694 * device back up.
4695 */
26af9dca
JM		 4696 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
4697 "interface down");
4698 for (i = 0; i < 10; i++) {
91724d6f 4699 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 4700 if (res == -EACCES || res == -ENODEV)
4701 break;
ebffdbc4 4702 if (res != 0) {
26af9dca
JM		 4703 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
4704 "interface down");
ebffdbc4
CW		 4705 os_sleep(0, 100000);
4706 continue;
4707 }
3c5d34e3
CW		 4708
4709 /*
4710 * Setting the mode will fail for some drivers if the phy is
4711 * on a frequency that the mode is disallowed in.
4712 */
4713 if (desired_freq_params) {
bdf5ccb2 4714 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW		 4715 if (res) {
4716 wpa_printf(MSG_DEBUG,
4717 "nl80211: Failed to set frequency on interface");
4718 }
4719 }
4720
ebffdbc4
CW		 4721 /* Try to set the mode again while the interface is down */
4722 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4723 if (mode_switch_res == -EBUSY) {
4724 wpa_printf(MSG_DEBUG,
4725 "nl80211: Delaying mode set while interface going down");
4726 os_sleep(0, 100000);
4727 continue;
4728 }
4729 ret = mode_switch_res;
4730 break;
3f5285e8
JM		 4731 }
4732
c6e8e8e4
JM		 4733 if (!ret) {
4734 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
4735 "interface is down");
ad1e68e6 4736 drv->nlmode = nlmode;
7d9c3698 4737 drv->ignore_if_down_event = 1;
c6e8e8e4 4738 }
ad1e68e6 4739
ebffdbc4
CW		 4740 /* Bring the interface back up */
4741 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
4742 if (res != 0) {
4743 wpa_printf(MSG_DEBUG,
4744 "nl80211: Failed to set interface up after switching mode");
4745 ret = -1;
4746 }
4747
460456f8 4748done:
3fd1cefb
JB		 4749 if (ret) {
4750 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
4751 "from %d failed", nlmode, drv->nlmode);
4752 return ret;
4753 }
4754
3e208481
JM		 4755 if (is_p2p_net_interface(nlmode)) {
4756 wpa_printf(MSG_DEBUG,
4757 "nl80211: Interface %s mode change to P2P - disable 11b rates",
4758 bss->ifname);
edb9bfba 4759 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM		 4760 } else if (drv->disabled_11b_rates) {
4761 wpa_printf(MSG_DEBUG,
4762 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
4763 bss->ifname);
1d0c6fb1 4764 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 4765 }
edb9bfba 4766
3fd1cefb 4767 if (is_ap_interface(nlmode)) {
36488c05 4768 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 4769 /* Setup additional AP mode functionality if needed */
3fd1cefb 4770 if (nl80211_setup_ap(bss))
460456f8 4771 return -1;
3fd1cefb 4772 } else if (was_ap) {
460456f8 4773 /* Remove additional AP mode functionality */
3fd1cefb 4774 nl80211_teardown_ap(bss);
a11241fa 4775 } else {
36488c05 4776 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 4777 }
460456f8 4778
afb0550a
BC		 4779 if (is_mesh_interface(nlmode) &&
4780 nl80211_mgmt_subscribe_mesh(bss))
4781 return -1;
4782
873d0fcf 4783 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 4784 !is_mesh_interface(nlmode) &&
a11241fa
JB		 4785 nl80211_mgmt_subscribe_non_ap(bss) < 0)
4786 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
4787 "frame processing - ignore for now");
08359050 4788
3fd1cefb 4789 return 0;
3f5285e8
JM		 4790}
4791
4792
f3407c66
JM		 4793int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
4794 enum nl80211_iftype nlmode)
3c5d34e3
CW		 4795{
4796 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
4797}
4798
4799
4ec68377
JD		 4800static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
4801 struct hostapd_freq_params *freq)
3c5d34e3 4802{
3c5d34e3 4803 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 4804 freq);
3c5d34e3 4805}
65d645ce
AS		 4806
4807
3f5285e8
JM		 4808static int wpa_driver_nl80211_get_capa(void *priv,
4809 struct wpa_driver_capa *capa)
4810{
a2e40bb6
FF		 4811 struct i802_bss *bss = priv;
4812 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 4813
3f5285e8
JM		 4814 if (!drv->has_capability)
4815 return -1;
4816 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 4817 if (drv->extended_capa && drv->extended_capa_mask) {
4818 capa->extended_capa = drv->extended_capa;
4819 capa->extended_capa_mask = drv->extended_capa_mask;
4820 capa->extended_capa_len = drv->extended_capa_len;
4821 }
851b0c55 4822
906bc4c7 4823 return 0;
3f5285e8
JM		 4824}
4825
4826
4827static int wpa_driver_nl80211_set_operstate(void *priv, int state)
4828{
a2e40bb6
FF		 4829 struct i802_bss *bss = priv;
4830 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 4831
90a545cc
JM		 4832 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
4833 bss->ifname, drv->operstate, state,
4834 state ? "UP" : "DORMANT");
3f5285e8 4835 drv->operstate = state;
36d84860 4836 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 4837 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 4838}
4839
01652550
JM		 4840
4841static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
4842{
a2e40bb6
FF		 4843 struct i802_bss *bss = priv;
4844 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 4845 struct nl_msg *msg;
4846 struct nl80211_sta_flag_update upd;
a862e4a3 4847 int ret;
2eef5177
JM		 4848
4849 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
4850 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
4851 return 0;
4852 }
01652550 4853
1ba51ec0
JM		 4854 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
4855 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
4856
01652550
JM		 4857 os_memset(&upd, 0, sizeof(upd));
4858 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
4859 if (authorized)
4860 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 4861
13f83980 4862 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 4863 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
4864 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
4865 nlmsg_free(msg);
4866 return -ENOBUFS;
4867 }
01652550 4868
2eef5177 4869 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM		 4870 if (!ret)
4871 return 0;
2eef5177
JM		 4872 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
4873 ret, strerror(-ret));
4874 return ret;
01652550
JM		 4875}
4876
3f5285e8 4877
f07ead6a
JM		 4878/* Set kernel driver on given frequency (MHz) */
4879static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 4880{
f07ead6a 4881 struct i802_bss *bss = priv;
13a524a3 4882 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 4883}
4884
f7b3920c 4885
c5121837
JM		 4886static inline int min_int(int a, int b)
4887{
4888 if (a < b)
4889 return a;
4890 return b;
4891}
4892
4893
4894static int get_key_handler(struct nl_msg *msg, void *arg)
4895{
4896 struct nlattr *tb[NL80211_ATTR_MAX + 1];
4897 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
4898
4899 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
4900 genlmsg_attrlen(gnlh, 0), NULL);
4901
4902 /*
4903 * TODO: validate the key index and mac address!
4904 * Otherwise, there's a race condition as soon as
4905 * the kernel starts sending key notifications.
4906 */
4907
4908 if (tb[NL80211_ATTR_KEY_SEQ])
4909 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
4910 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
4911 return NL_SKIP;
4912}
4913
4914
4915static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
4916 int idx, u8 *seq)
4917{
a2e40bb6
FF		 4918 struct i802_bss *bss = priv;
4919 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 4920 struct nl_msg *msg;
4921
95376e1a
JM		 4922 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
4923 NL80211_CMD_GET_KEY);
4924 if (!msg ||
a862e4a3 4925 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 4926 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM		 4927 nlmsg_free(msg);
4928 return -ENOBUFS;
4929 }
c5121837
JM		 4930
4931 memset(seq, 0, 6);
4932
4933 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM		 4934}
4935
4936
c5121837
JM		 4937static int i802_set_rts(void *priv, int rts)
4938{
a2e40bb6
FF		 4939 struct i802_bss *bss = priv;
4940 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 4941 struct nl_msg *msg;
a862e4a3 4942 int ret;
ad649451 4943 u32 val;
c5121837 4944
ad649451
JM		 4945 if (rts >= 2347)
4946 val = (u32) -1;
4947 else
4948 val = rts;
c5121837 4949
9725b784 4950 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 4951 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
4952 nlmsg_free(msg);
4953 return -ENOBUFS;
4954 }
ad649451
JM		 4955
4956 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4957 if (!ret)
4958 return 0;
ad649451
JM		 4959 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
4960 "%d (%s)", rts, ret, strerror(-ret));
4961 return ret;
c5121837
JM		 4962}
4963
4964
4965static int i802_set_frag(void *priv, int frag)
4966{
a2e40bb6
FF		 4967 struct i802_bss *bss = priv;
4968 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 4969 struct nl_msg *msg;
a862e4a3 4970 int ret;
ad649451 4971 u32 val;
c5121837 4972
ad649451
JM		 4973 if (frag >= 2346)
4974 val = (u32) -1;
4975 else
4976 val = frag;
c5121837 4977
9725b784 4978 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 4979 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
4980 nlmsg_free(msg);
4981 return -ENOBUFS;
4982 }
ad649451
JM		 4983
4984 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4985 if (!ret)
4986 return 0;
ad649451
JM		 4987 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
4988 "%d: %d (%s)", frag, ret, strerror(-ret));
4989 return ret;
c5121837
JM		 4990}
4991
4992
c5121837
JM		 4993static int i802_flush(void *priv)
4994{
a2e40bb6 4995 struct i802_bss *bss = priv;
c5121837 4996 struct nl_msg *msg;
82554b10 4997 int res;
c5121837 4998
83e7bb0e
JM		 4999 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5000 bss->ifname);
c5121837
JM		 5001
5002 /*
5003 * XXX: FIX! this needs to flush all VLANs too
5004 */
13f83980
JM		 5005 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5006 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM		 5007 if (res) {
5008 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5009 "(%s)", res, strerror(-res));
5010 }
5011 return res;
c5121837
JM		 5012}
5013
5014
5015static int get_sta_handler(struct nl_msg *msg, void *arg)
5016{
5017 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5018 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5019 struct hostap_sta_driver_data *data = arg;
5020 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5021 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5022 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5023 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5024 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5025 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5026 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 5027 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
c5121837
JM		 5028 };
5029
5030 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5031 genlmsg_attrlen(gnlh, 0), NULL);
5032
5033 /*
5034 * TODO: validate the interface and mac address!
5035 * Otherwise, there's a race condition as soon as
5036 * the kernel starts sending station notifications.
5037 */
5038
5039 if (!tb[NL80211_ATTR_STA_INFO]) {
5040 wpa_printf(MSG_DEBUG, "sta stats missing!");
5041 return NL_SKIP;
5042 }
5043 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5044 tb[NL80211_ATTR_STA_INFO],
5045 stats_policy)) {
5046 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5047 return NL_SKIP;
5048 }
5049
5050 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5051 data->inactive_msec =
5052 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
5053 if (stats[NL80211_STA_INFO_RX_BYTES])
5054 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5055 if (stats[NL80211_STA_INFO_TX_BYTES])
5056 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
5057 if (stats[NL80211_STA_INFO_RX_PACKETS])
5058 data->rx_packets =
5059 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5060 if (stats[NL80211_STA_INFO_TX_PACKETS])
5061 data->tx_packets =
5062 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 5063 if (stats[NL80211_STA_INFO_TX_FAILED])
5064 data->tx_retry_failed =
5065 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 5066
5067 return NL_SKIP;
5068}
5069
9ebce9c5
JM		 5070static int i802_read_sta_data(struct i802_bss *bss,
5071 struct hostap_sta_driver_data *data,
c5121837
JM		 5072 const u8 *addr)
5073{
c5121837
JM		 5074 struct nl_msg *msg;
5075
5076 os_memset(data, 0, sizeof(*data));
c5121837 5077
13f83980
JM		 5078 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
5079 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM		 5080 nlmsg_free(msg);
5081 return -ENOBUFS;
5082 }
c5121837 5083
13f83980 5084 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM		 5085}
5086
5087
c5121837
JM		 5088static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
5089 int cw_min, int cw_max, int burst_time)
5090{
a2e40bb6
FF		 5091 struct i802_bss *bss = priv;
5092 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5093 struct nl_msg *msg;
5094 struct nlattr *txq, *params;
5095
13f83980 5096 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM		 5097 if (!msg)
5098 return -1;
5099
c5121837
JM		 5100 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
5101 if (!txq)
a862e4a3 5102 goto fail;
c5121837
JM		 5103
5104 /* We are only sending parameters for a single TXQ at a time */
5105 params = nla_nest_start(msg, 1);
5106 if (!params)
a862e4a3 5107 goto fail;
c5121837 5108
7e3c1781
JM		 5109 switch (queue) {
5110 case 0:
a862e4a3
JM		 5111 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
5112 goto fail;
7e3c1781
JM		 5113 break;
5114 case 1:
a862e4a3
JM		 5115 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
5116 goto fail;
7e3c1781
JM		 5117 break;
5118 case 2:
a862e4a3
JM		 5119 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
5120 goto fail;
7e3c1781
JM		 5121 break;
5122 case 3:
a862e4a3
JM		 5123 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
5124 goto fail;
7e3c1781
JM		 5125 break;
5126 }
c5121837
JM		 5127 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5128 * 32 usec, so need to convert the value here. */
a862e4a3
JM		 5129 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
5130 (burst_time * 100 + 16) / 32) ||
5131 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
5132 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
5133 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
5134 goto fail;
c5121837
JM		 5135
5136 nla_nest_end(msg, params);
5137
5138 nla_nest_end(msg, txq);
5139
5140 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5141 return 0;
9e088e74 5142 msg = NULL;
a862e4a3 5143fail:
9e088e74 5144 nlmsg_free(msg);
c5121837
JM		 5145 return -1;
5146}
5147
5148
9ebce9c5 5149static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 5150 const char *ifname, int vlan_id)
5151{
a2e40bb6 5152 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 5153 struct nl_msg *msg;
a862e4a3 5154 int ret;
c5121837 5155
bbc706a3
JM		 5156 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5157 ", ifname=%s[%d], vlan_id=%d)",
5158 bss->ifname, if_nametoindex(bss->ifname),
5159 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 5160 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5161 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5162 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
5163 nlmsg_free(msg);
5164 return -ENOBUFS;
5165 }
c5121837 5166
cd1d72c1
JM		 5167 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5168 if (ret < 0) {
5169 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5170 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
5171 MAC2STR(addr), ifname, vlan_id, ret,
5172 strerror(-ret));
5173 }
cd1d72c1 5174 return ret;
c5121837
JM		 5175}
5176
fbbfcbac 5177
c5121837
JM		 5178static int i802_get_inact_sec(void *priv, const u8 *addr)
5179{
5180 struct hostap_sta_driver_data data;
5181 int ret;
5182
5183 data.inactive_msec = (unsigned long) -1;
5184 ret = i802_read_sta_data(priv, &data, addr);
5185 if (ret || data.inactive_msec == (unsigned long) -1)
5186 return -1;
5187 return data.inactive_msec / 1000;
5188}
5189
5190
5191static int i802_sta_clear_stats(void *priv, const u8 *addr)
5192{
5193#if 0
5194 /* TODO */
5195#endif
5196 return 0;
5197}
5198
5199
731723a5
JM		 5200static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
5201 int reason)
c5121837 5202{
a2e40bb6 5203 struct i802_bss *bss = priv;
e1bd4e19 5204 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5205 struct ieee80211_mgmt mgmt;
5206
0d391b03
BC		 5207 if (is_mesh_interface(drv->nlmode))
5208 return -1;
5209
e1bd4e19 5210 if (drv->device_ap_sme)
59d7148a 5211 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 5212
c5121837
JM		 5213 memset(&mgmt, 0, sizeof(mgmt));
5214 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5215 WLAN_FC_STYPE_DEAUTH);
5216 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 5217 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5218 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 5219 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 5220 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 5221 IEEE80211_HDRLEN +
9ebce9c5
JM		 5222 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
5223 0);
c5121837
JM		 5224}
5225
5226
731723a5
JM		 5227static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
5228 int reason)
c5121837 5229{
a2e40bb6 5230 struct i802_bss *bss = priv;
e1bd4e19 5231 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5232 struct ieee80211_mgmt mgmt;
5233
0d391b03
BC		 5234 if (is_mesh_interface(drv->nlmode))
5235 return -1;
5236
e1bd4e19 5237 if (drv->device_ap_sme)
59d7148a 5238 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 5239
c5121837
JM		 5240 memset(&mgmt, 0, sizeof(mgmt));
5241 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5242 WLAN_FC_STYPE_DISASSOC);
5243 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 5244 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5245 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 5246 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 5247 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 5248 IEEE80211_HDRLEN +
9ebce9c5
JM		 5249 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
5250 0);
c5121837
JM		 5251}
5252
5253
9b4d9c8b
JM		 5254static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
5255{
5256 char buf[200], *pos, *end;
5257 int i, res;
5258
5259 pos = buf;
5260 end = pos + sizeof(buf);
5261
5262 for (i = 0; i < drv->num_if_indices; i++) {
5263 if (!drv->if_indices[i])
5264 continue;
5265 res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]);
d85e1fc8 5266 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM		 5267 break;
5268 pos += res;
5269 }
5270 *pos = '\0';
5271
5272 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
5273 drv->num_if_indices, buf);
5274}
5275
5276
f07ead6a
JM		 5277static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5278{
5279 int i;
5280 int *old;
5281
5282 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
5283 ifidx);
b36935be
MB		 5284 if (have_ifidx(drv, ifidx)) {
5285 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
5286 ifidx);
5287 return;
5288 }
f07ead6a
JM		 5289 for (i = 0; i < drv->num_if_indices; i++) {
5290 if (drv->if_indices[i] == 0) {
5291 drv->if_indices[i] = ifidx;
9b4d9c8b 5292 dump_ifidx(drv);
f07ead6a
JM		 5293 return;
5294 }
5295 }
5296
5297 if (drv->if_indices != drv->default_if_indices)
5298 old = drv->if_indices;
5299 else
5300 old = NULL;
5301
067ffa26
JM		 5302 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
5303 sizeof(int));
f07ead6a
JM		 5304 if (!drv->if_indices) {
5305 if (!old)
5306 drv->if_indices = drv->default_if_indices;
5307 else
5308 drv->if_indices = old;
5309 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
5310 "interfaces");
5311 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
5312 return;
5313 } else if (!old)
5314 os_memcpy(drv->if_indices, drv->default_if_indices,
5315 sizeof(drv->default_if_indices));
5316 drv->if_indices[drv->num_if_indices] = ifidx;
5317 drv->num_if_indices++;
9b4d9c8b 5318 dump_ifidx(drv);
f07ead6a
JM		 5319}
5320
5321
5322static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5323{
5324 int i;
5325
5326 for (i = 0; i < drv->num_if_indices; i++) {
5327 if (drv->if_indices[i] == ifidx) {
5328 drv->if_indices[i] = 0;
5329 break;
5330 }
5331 }
9b4d9c8b 5332 dump_ifidx(drv);
f07ead6a
JM		 5333}
5334
5335
5336static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5337{
5338 int i;
5339
5340 for (i = 0; i < drv->num_if_indices; i++)
5341 if (drv->if_indices[i] == ifidx)
5342 return 1;
5343
5344 return 0;
5345}
5346
5347
5348static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 5349 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 5350{
5351 struct i802_bss *bss = priv;
5352 struct wpa_driver_nl80211_data *drv = bss->drv;
5353 char name[IFNAMSIZ + 1];
5354
5355 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 5356 if (ifname_wds)
5357 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
5358
f07ead6a
JM		 5359 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
5360 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
5361 if (val) {
5362 if (!if_nametoindex(name)) {
5363 if (nl80211_create_iface(drv, name,
5364 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 5365 bss->addr, 1, NULL, NULL, 0) <
5366 0)
f07ead6a
JM		 5367 return -1;
5368 if (bridge_ifname &&
c81eff1a
BG		 5369 linux_br_add_if(drv->global->ioctl_sock,
5370 bridge_ifname, name) < 0)
f07ead6a
JM		 5371 return -1;
5372 }
75227f3a
JM		 5373 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
5374 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
5375 "interface %s up", name);
5376 }
f07ead6a
JM		 5377 return i802_set_sta_vlan(priv, addr, name, 0);
5378 } else {
c34e618d
FF		 5379 if (bridge_ifname)
5380 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
5381 name);
5382
f07ead6a 5383 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25
FF		 5384 nl80211_remove_iface(drv, if_nametoindex(name));
5385 return 0;
f07ead6a
JM		 5386 }
5387}
5388
5389
5390static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
5391{
5392 struct wpa_driver_nl80211_data *drv = eloop_ctx;
5393 struct sockaddr_ll lladdr;
5394 unsigned char buf[3000];
5395 int len;
5396 socklen_t fromlen = sizeof(lladdr);
5397
5398 len = recvfrom(sock, buf, sizeof(buf), 0,
5399 (struct sockaddr *)&lladdr, &fromlen);
5400 if (len < 0) {
7ac3616d
JM		 5401 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
5402 strerror(errno));
f07ead6a
JM		 5403 return;
5404 }
5405
5406 if (have_ifidx(drv, lladdr.sll_ifindex))
5407 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
5408}
5409
5410
94627f6c 5411static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 5412 struct i802_bss *bss,
94627f6c
JM		 5413 const char *brname, const char *ifname)
5414{
6c6678e7 5415 int br_ifindex;
94627f6c
JM		 5416 char in_br[IFNAMSIZ];
5417
e17a2477 5418 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 5419 br_ifindex = if_nametoindex(brname);
6c6678e7 5420 if (br_ifindex == 0) {
94627f6c
JM		 5421 /*
5422 * Bridge was configured, but the bridge device does
5423 * not exist. Try to add it now.
5424 */
c81eff1a 5425 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 5426 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
5427 "bridge interface %s: %s",
5428 brname, strerror(errno));
5429 return -1;
5430 }
e17a2477 5431 bss->added_bridge = 1;
8997613c
JM		 5432 br_ifindex = if_nametoindex(brname);
5433 add_ifidx(drv, br_ifindex);
94627f6c 5434 }
8997613c 5435 bss->br_ifindex = br_ifindex;
94627f6c
JM		 5436
5437 if (linux_br_get(in_br, ifname) == 0) {
5438 if (os_strcmp(in_br, brname) == 0)
5439 return 0; /* already in the bridge */
5440
5441 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
5442 "bridge %s", ifname, in_br);
c81eff1a
BG		 5443 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
5444 0) {
94627f6c
JM		 5445 wpa_printf(MSG_ERROR, "nl80211: Failed to "
5446 "remove interface %s from bridge "
5447 "%s: %s",
5448 ifname, brname, strerror(errno));
5449 return -1;
5450 }
5451 }
5452
5453 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
5454 ifname, brname);
c81eff1a 5455 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 5456 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
5457 "into bridge %s: %s",
5458 ifname, brname, strerror(errno));
5459 return -1;
5460 }
e17a2477 5461 bss->added_if_into_bridge = 1;
94627f6c
JM		 5462
5463 return 0;
5464}
5465
5466
92f475b4
JM		 5467static void *i802_init(struct hostapd_data *hapd,
5468 struct wpa_init_params *params)
c5121837
JM		 5469{
5470 struct wpa_driver_nl80211_data *drv;
a2e40bb6 5471 struct i802_bss *bss;
c5121837 5472 size_t i;
94627f6c
JM		 5473 char brname[IFNAMSIZ];
5474 int ifindex, br_ifindex;
5475 int br_added = 0;
c5121837 5476
0d547d5f
JM		 5477 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
5478 params->global_priv, 1,
0ecff8d7 5479 params->bssid, params->driver_params);
a2e40bb6 5480 if (bss == NULL)
c5121837 5481 return NULL;
c5121837 5482
a2e40bb6 5483 drv = bss->drv;
7635bfb0 5484
94627f6c
JM		 5485 if (linux_br_get(brname, params->ifname) == 0) {
5486 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
5487 params->ifname, brname);
5488 br_ifindex = if_nametoindex(brname);
392dfd37 5489 os_strlcpy(bss->brname, brname, IFNAMSIZ);
94627f6c
JM		 5490 } else {
5491 brname[0] = '\0';
5492 br_ifindex = 0;
5493 }
6c6678e7 5494 bss->br_ifindex = br_ifindex;
94627f6c 5495
92f475b4 5496 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 5497 if (params->bridge[i]) {
5498 ifindex = if_nametoindex(params->bridge[i]);
5499 if (ifindex)
5500 add_ifidx(drv, ifindex);
5501 if (ifindex == br_ifindex)
5502 br_added = 1;
5503 }
c5121837 5504 }
c5121837 5505
ad1e68e6
JM		 5506 /* start listening for EAPOL on the default AP interface */
5507 add_ifidx(drv, drv->ifindex);
5508
5ef8e39f
JM		 5509 if (params->num_bridge && params->bridge[0]) {
5510 if (i802_check_bridge(drv, bss, params->bridge[0],
5511 params->ifname) < 0)
5512 goto failed;
5513 if (os_strcmp(params->bridge[0], brname) != 0)
5514 br_added = 1;
5515 }
5516
5517 if (!br_added && br_ifindex &&
5518 (params->num_bridge == 0 || !params->bridge[0]))
5519 add_ifidx(drv, br_ifindex);
94627f6c 5520
97ed9a06
KP		 5521#ifdef CONFIG_LIBNL3_ROUTE
5522 if (bss->added_if_into_bridge) {
5523 drv->rtnl_sk = nl_socket_alloc();
5524 if (drv->rtnl_sk == NULL) {
5525 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
5526 goto failed;
5527 }
5528
5529 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
5530 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
5531 strerror(errno));
5532 goto failed;
5533 }
5534 }
5535#endif /* CONFIG_LIBNL3_ROUTE */
5536
ad1e68e6
JM		 5537 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
5538 if (drv->eapol_sock < 0) {
7ac3616d
JM		 5539 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
5540 strerror(errno));
bbaf0837 5541 goto failed;
ad1e68e6
JM		 5542 }
5543
5544 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
5545 {
7ac3616d 5546 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 5547 goto failed;
ad1e68e6
JM		 5548 }
5549
c81eff1a
BG		 5550 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
5551 params->own_addr))
bbaf0837 5552 goto failed;
fee354c7 5553 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 5554
341eebee
JB		 5555 memcpy(bss->addr, params->own_addr, ETH_ALEN);
5556
a2e40bb6 5557 return bss;
c5121837
JM		 5558
5559failed:
7635bfb0 5560 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 5561 return NULL;
5562}
c5121837 5563
c5121837 5564
bbaf0837
JM		 5565static void i802_deinit(void *priv)
5566{
9ebce9c5
JM		 5567 struct i802_bss *bss = priv;
5568 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 5569}
5570
c5121837 5571
22a7c9d7
JM		 5572static enum nl80211_iftype wpa_driver_nl80211_if_type(
5573 enum wpa_driver_if_type type)
5574{
5575 switch (type) {
5576 case WPA_IF_STATION:
9f51b113 5577 return NL80211_IFTYPE_STATION;
75bde05d
JM		 5578 case WPA_IF_P2P_CLIENT:
5579 case WPA_IF_P2P_GROUP:
9f51b113 5580 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 5581 case WPA_IF_AP_VLAN:
5582 return NL80211_IFTYPE_AP_VLAN;
5583 case WPA_IF_AP_BSS:
5584 return NL80211_IFTYPE_AP;
9f51b113
JB		 5585 case WPA_IF_P2P_GO:
5586 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 5587 case WPA_IF_P2P_DEVICE:
5588 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH		 5589 case WPA_IF_MESH:
5590 return NL80211_IFTYPE_MESH_POINT;
22a7c9d7
JM		 5591 }
5592 return -1;
5593}
5594
5595
5b78493f 5596#if defined(CONFIG_P2P) || defined(CONFIG_MESH)
482856c8 5597
f2ed8023
JM		 5598static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
5599{
5600 struct wpa_driver_nl80211_data *drv;
5601 dl_list_for_each(drv, &global->interfaces,
5602 struct wpa_driver_nl80211_data, list) {
834ee56f 5603 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 5604 return 1;
5605 }
5606 return 0;
5607}
5608
5609
5b78493f 5610static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM		 5611{
5612 unsigned int idx;
5613
5614 if (!drv->global)
5615 return -1;
5616
834ee56f 5617 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 5618 for (idx = 0; idx < 64; idx++) {
834ee56f 5619 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 5620 new_addr[0] ^= idx << 2;
5621 if (!nl80211_addr_in_use(drv->global, new_addr))
5622 break;
5623 }
5624 if (idx == 64)
5625 return -1;
5626
5b78493f 5627 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM		 5628 MACSTR, MAC2STR(new_addr));
5629
5630 return 0;
5631}
5632
5b78493f 5633#endif /* CONFIG_P2P || CONFIG_MESH */
482856c8 5634
f2ed8023 5635
f632e483
AS		 5636struct wdev_info {
5637 u64 wdev_id;
5638 int wdev_id_set;
5639 u8 macaddr[ETH_ALEN];
5640};
5641
5642static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 5643{
5644 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5645 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 5646 struct wdev_info *wi = arg;
e472e1b4
AS		 5647
5648 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5649 genlmsg_attrlen(gnlh, 0), NULL);
5650 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 5651 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
5652 wi->wdev_id_set = 1;
e472e1b4
AS		 5653 }
5654
5655 if (tb[NL80211_ATTR_MAC])
f632e483 5656 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 5657 ETH_ALEN);
5658
5659 return NL_SKIP;
5660}
5661
5662
7ab68865 5663static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 5664 const char *ifname, const u8 *addr,
f3585c8a 5665 void *bss_ctx, void **drv_priv,
e17a2477 5666 char *force_ifname, u8 *if_addr,
2aec4f3c 5667 const char *bridge, int use_existing)
22a7c9d7 5668{
e472e1b4 5669 enum nl80211_iftype nlmode;
a2e40bb6
FF		 5670 struct i802_bss *bss = priv;
5671 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 5672 int ifidx;
2aec4f3c 5673 int added = 1;
22a7c9d7 5674
f3585c8a
JM		 5675 if (addr)
5676 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 5677 nlmode = wpa_driver_nl80211_if_type(type);
5678 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 5679 struct wdev_info p2pdev_info;
5680
5681 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 5682 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 5683 0, nl80211_wdev_handler,
2aec4f3c 5684 &p2pdev_info, use_existing);
f632e483 5685 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 5686 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
5687 ifname);
e472e1b4
AS		 5688 return -1;
5689 }
f632e483
AS		 5690
5691 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
5692 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
5693 if (!is_zero_ether_addr(p2pdev_info.macaddr))
5694 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
5695 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
5696 ifname,
5697 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 5698 } else {
5699 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 5700 0, NULL, NULL, use_existing);
5701 if (use_existing && ifidx == -ENFILE) {
5702 added = 0;
5703 ifidx = if_nametoindex(ifname);
5704 } else if (ifidx < 0) {
e472e1b4
AS		 5705 return -1;
5706 }
22a7c9d7
JM		 5707 }
5708
ab7a1add
AS		 5709 if (!addr) {
5710 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
5711 os_memcpy(if_addr, bss->addr, ETH_ALEN);
5712 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
5713 bss->ifname, if_addr) < 0) {
2aec4f3c
JM		 5714 if (added)
5715 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 5716 return -1;
5717 }
c55f774d
JM		 5718 }
5719
5b78493f 5720#if defined(CONFIG_P2P) || defined(CONFIG_MESH)
c55f774d
JM		 5721 if (!addr &&
5722 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
5b78493f 5723 type == WPA_IF_P2P_GO || type == WPA_IF_MESH)) {
c55f774d 5724 /* Enforce unique P2P Interface Address */
ab7a1add 5725 u8 new_addr[ETH_ALEN];
c55f774d 5726
ab7a1add 5727 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 5728 new_addr) < 0) {
ea39367c
MK		 5729 if (added)
5730 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 5731 return -1;
5732 }
f608081c 5733 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 5734 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
5b78493f
MH		 5735 "for %s interface", type == WPA_IF_MESH ?
5736 "mesh" : "P2P group");
5737 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK		 5738 if (added)
5739 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 5740 return -1;
5741 }
c81eff1a 5742 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 5743 new_addr) < 0) {
ea39367c
MK		 5744 if (added)
5745 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 5746 return -1;
5747 }
c55f774d 5748 }
f67eeb5c 5749 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 5750 }
5b78493f 5751#endif /* CONFIG_P2P || CONFIG_MESH */
f3585c8a 5752
22a7c9d7 5753 if (type == WPA_IF_AP_BSS) {
f5eb9da3
JM		 5754 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
5755 if (new_bss == NULL) {
2aec4f3c
JM		 5756 if (added)
5757 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 5758 return -1;
5759 }
5760
5761 if (bridge &&
5762 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
5763 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
5764 "interface %s to a bridge %s",
5765 ifname, bridge);
2aec4f3c
JM		 5766 if (added)
5767 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 5768 os_free(new_bss);
5769 return -1;
5770 }
5771
c81eff1a
BG		 5772 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
5773 {
ea39367c
MK		 5774 if (added)
5775 nl80211_remove_iface(drv, ifidx);
07179987 5776 os_free(new_bss);
22a7c9d7
JM		 5777 return -1;
5778 }
a2e40bb6 5779 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 5780 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 5781 new_bss->ifindex = ifidx;
5782 new_bss->drv = drv;
834ee56f
KP		 5783 new_bss->next = drv->first_bss->next;
5784 new_bss->freq = drv->first_bss->freq;
a5e1eb20 5785 new_bss->ctx = bss_ctx;
2aec4f3c 5786 new_bss->added_if = added;
834ee56f 5787 drv->first_bss->next = new_bss;
a2e40bb6
FF		 5788 if (drv_priv)
5789 *drv_priv = new_bss;
cc7a48d1 5790 nl80211_init_bss(new_bss);
3dd1d890
YAP		 5791
5792 /* Subscribe management frames for this WPA_IF_AP_BSS */
5793 if (nl80211_setup_ap(new_bss))
5794 return -1;
22a7c9d7 5795 }
22a7c9d7 5796
ff6a158b
JM		 5797 if (drv->global)
5798 drv->global->if_add_ifindex = ifidx;
5799
d1bb7aed
JJ		 5800 /*
5801 * Some virtual interfaces need to process EAPOL packets and events on
5802 * the parent interface. This is used mainly with hostapd.
5803 */
5804 if (ifidx > 0 &&
5805 (drv->hostapd ||
5806 nlmode == NL80211_IFTYPE_AP_VLAN ||
5807 nlmode == NL80211_IFTYPE_WDS ||
5808 nlmode == NL80211_IFTYPE_MONITOR))
b36935be
MB		 5809 add_ifidx(drv, ifidx);
5810
22a7c9d7
JM		 5811 return 0;
5812}
5813
5814
9ebce9c5 5815static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 5816 enum wpa_driver_if_type type,
5817 const char *ifname)
5818{
a2e40bb6 5819 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 5820 int ifindex = if_nametoindex(ifname);
5821
2aec4f3c
JM		 5822 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
5823 __func__, type, ifname, ifindex, bss->added_if);
158b090c 5824 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 5825 nl80211_remove_iface(drv, ifindex);
de884303
JM		 5826 else if (ifindex > 0 && !bss->added_if) {
5827 struct wpa_driver_nl80211_data *drv2;
5828 dl_list_for_each(drv2, &drv->global->interfaces,
5829 struct wpa_driver_nl80211_data, list)
5830 del_ifidx(drv2, ifindex);
5831 }
c34e618d 5832
c34e618d
FF		 5833 if (type != WPA_IF_AP_BSS)
5834 return 0;
5835
e17a2477 5836 if (bss->added_if_into_bridge) {
c81eff1a
BG		 5837 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
5838 bss->ifname) < 0)
e17a2477
JM		 5839 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
5840 "interface %s from bridge %s: %s",
5841 bss->ifname, bss->brname, strerror(errno));
5842 }
5843 if (bss->added_bridge) {
c81eff1a 5844 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 5845 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
5846 "bridge %s: %s",
5847 bss->brname, strerror(errno));
5848 }
a2e40bb6 5849
834ee56f 5850 if (bss != drv->first_bss) {
8546ea19 5851 struct i802_bss *tbss;
a2e40bb6 5852
2aec4f3c 5853 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 5854 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 5855 if (tbss->next == bss) {
5856 tbss->next = bss->next;
3dd1d890
YAP		 5857 /* Unsubscribe management frames */
5858 nl80211_teardown_ap(bss);
cc7a48d1 5859 nl80211_destroy_bss(bss);
5c9da160
MB		 5860 if (!bss->added_if)
5861 i802_set_iface_flags(bss, 0);
8546ea19
JM		 5862 os_free(bss);
5863 bss = NULL;
5864 break;
5865 }
22a7c9d7 5866 }
8546ea19
JM		 5867 if (bss)
5868 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
5869 "BSS %p in the list", __func__, bss);
390e489c 5870 } else {
2aec4f3c 5871 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 5872 nl80211_teardown_ap(bss);
2aec4f3c
JM		 5873 if (!bss->added_if && !drv->first_bss->next)
5874 wpa_driver_nl80211_del_beacon(drv);
390e489c 5875 nl80211_destroy_bss(bss);
2aec4f3c
JM		 5876 if (!bss->added_if)
5877 i802_set_iface_flags(bss, 0);
390e489c
KP		 5878 if (drv->first_bss->next) {
5879 drv->first_bss = drv->first_bss->next;
5880 drv->ctx = drv->first_bss->ctx;
5881 os_free(bss);
5882 } else {
5883 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
5884 }
22a7c9d7 5885 }
22a7c9d7
JM		 5886
5887 return 0;
5888}
5889
5890
55777702
JM		 5891static int cookie_handler(struct nl_msg *msg, void *arg)
5892{
5893 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5894 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5895 u64 *cookie = arg;
5896 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5897 genlmsg_attrlen(gnlh, 0), NULL);
5898 if (tb[NL80211_ATTR_COOKIE])
5899 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
5900 return NL_SKIP;
5901}
5902
5903
88df0ef7 5904static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 5905 unsigned int freq, unsigned int wait,
5906 const u8 *buf, size_t buf_len,
88df0ef7
JB		 5907 u64 *cookie_out, int no_cck, int no_ack,
5908 int offchanok)
9884f9cc 5909{
88df0ef7 5910 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 5911 struct nl_msg *msg;
5912 u64 cookie;
5913 int ret = -1;
5914
cc2ada86 5915 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 5916 "no_ack=%d offchanok=%d",
5917 freq, wait, no_cck, no_ack, offchanok);
c91f796f 5918 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 5919
56f77852 5920 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM		 5921 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
5922 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
5923 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
5924 drv->test_use_roc_tx) &&
5925 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
5926 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
5927 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
5928 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
5929 goto fail;
9884f9cc
JB		 5930
5931 cookie = 0;
5932 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
5933 msg = NULL;
5934 if (ret) {
5935 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 5936 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
5937 freq, wait);
a862e4a3
JM		 5938 } else {
5939 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
5940 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
5941 (long long unsigned int) cookie);
9884f9cc 5942
a862e4a3
JM		 5943 if (cookie_out)
5944 *cookie_out = no_ack ? (u64) -1 : cookie;
5945 }
9884f9cc 5946
a862e4a3 5947fail:
9884f9cc
JB		 5948 nlmsg_free(msg);
5949 return ret;
5950}
5951
5952
9ebce9c5
JM		 5953static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
5954 unsigned int freq,
190b9062 5955 unsigned int wait_time,
58f6fbe0
JM		 5956 const u8 *dst, const u8 *src,
5957 const u8 *bssid,
b106173a
JM		 5958 const u8 *data, size_t data_len,
5959 int no_cck)
58f6fbe0 5960{
a2e40bb6 5961 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 5962 int ret = -1;
58f6fbe0
JM		 5963 u8 *buf;
5964 struct ieee80211_hdr *hdr;
58f6fbe0 5965
5dfca53f 5966 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 5967 "freq=%u MHz wait=%d ms no_cck=%d)",
5968 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 5969
5970 buf = os_zalloc(24 + data_len);
5971 if (buf == NULL)
5972 return ret;
5973 os_memcpy(buf + 24, data, data_len);
5974 hdr = (struct ieee80211_hdr *) buf;
5975 hdr->frame_control =
5976 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
5977 os_memcpy(hdr->addr1, dst, ETH_ALEN);
5978 os_memcpy(hdr->addr2, src, ETH_ALEN);
5979 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
5980
f78f2785
JM		 5981 if (is_ap_interface(drv->nlmode) &&
5982 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
5983 (int) freq == bss->freq || drv->device_ap_sme ||
5984 !drv->use_monitor))
9ebce9c5
JM		 5985 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
5986 0, freq, no_cck, 1,
5987 wait_time);
9884f9cc 5988 else
88df0ef7 5989 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 5990 24 + data_len,
b106173a 5991 &drv->send_action_cookie,
88df0ef7 5992 no_cck, 0, 1);
58f6fbe0 5993
f8bf1421 5994 os_free(buf);
58f6fbe0
JM		 5995 return ret;
5996}
5997
5998
5dfca53f
JB		 5999static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
6000{
6001 struct i802_bss *bss = priv;
6002 struct wpa_driver_nl80211_data *drv = bss->drv;
6003 struct nl_msg *msg;
6004 int ret;
6005
316a9e4d
JM		 6006 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
6007 (long long unsigned int) drv->send_action_cookie);
56f77852 6008 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
a862e4a3
JM		 6009 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie)) {
6010 nlmsg_free(msg);
6011 return;
6012 }
5dfca53f
JB		 6013
6014 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB		 6015 if (ret)
6016 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
6017 "(%s)", ret, strerror(-ret));
5dfca53f
JB		 6018}
6019
6020
55777702
JM		 6021static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
6022 unsigned int duration)
6023{
a2e40bb6
FF		 6024 struct i802_bss *bss = priv;
6025 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 6026 struct nl_msg *msg;
6027 int ret;
6028 u64 cookie;
6029
56f77852 6030 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM		 6031 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
6032 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
6033 nlmsg_free(msg);
6034 return -1;
6035 }
55777702
JM		 6036
6037 cookie = 0;
6038 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6039 if (ret == 0) {
6040 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
6041 "0x%llx for freq=%u MHz duration=%u",
6042 (long long unsigned int) cookie, freq, duration);
6043 drv->remain_on_chan_cookie = cookie;
531f0331 6044 drv->pending_remain_on_chan = 1;
55777702
JM		 6045 return 0;
6046 }
6047 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 6048 "(freq=%d duration=%u): %d (%s)",
6049 freq, duration, ret, strerror(-ret));
55777702
JM		 6050 return -1;
6051}
6052
6053
6054static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
6055{
a2e40bb6
FF		 6056 struct i802_bss *bss = priv;
6057 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 6058 struct nl_msg *msg;
6059 int ret;
6060
6061 if (!drv->pending_remain_on_chan) {
6062 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
6063 "to cancel");
6064 return -1;
6065 }
6066
6067 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
6068 "0x%llx",
6069 (long long unsigned int) drv->remain_on_chan_cookie);
6070
56f77852
JM		 6071 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
6072 if (!msg ||
a862e4a3
JM		 6073 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
6074 nlmsg_free(msg);
6075 return -1;
6076 }
55777702
JM		 6077
6078 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6079 if (ret == 0)
6080 return 0;
6081 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
6082 "%d (%s)", ret, strerror(-ret));
55777702
JM		 6083 return -1;
6084}
6085
6086
9ebce9c5 6087static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 6088{
a2e40bb6 6089 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 6090
5582a5d1 6091 if (!report) {
0d891981 6092 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 6093 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
6094 !bss->static_ap) {
0d891981
JM		 6095 /*
6096 * Do not disable Probe Request reporting that was
6097 * enabled in nl80211_setup_ap().
6098 */
6099 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
6100 "Probe Request reporting nl_preq=%p while "
6101 "in AP mode", bss->nl_preq);
6102 } else if (bss->nl_preq) {
36488c05
JM		 6103 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
6104 "reporting nl_preq=%p", bss->nl_preq);
5f65e9f7 6105 nl80211_destroy_eloop_handle(&bss->nl_preq);
5582a5d1
JB		 6106 }
6107 return 0;
6108 }
6109
481234cf 6110 if (bss->nl_preq) {
5582a5d1 6111 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 6112 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 6113 return 0;
6114 }
6115
481234cf
JM		 6116 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
6117 if (bss->nl_preq == NULL)
5582a5d1 6118 return -1;
36488c05
JM		 6119 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
6120 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 6121
481234cf 6122 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 6123 (WLAN_FC_TYPE_MGMT << 2) |
6124 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 6125 NULL, 0) < 0)
6126 goto out_err;
5582a5d1 6127
5f65e9f7
JB		 6128 nl80211_register_eloop_read(&bss->nl_preq,
6129 wpa_driver_nl80211_event_receive,
6130 bss->nl_cb);
5582a5d1 6131
504e905c 6132 return 0;
5582a5d1 6133
a92dfde8 6134 out_err:
221a59c9 6135 nl_destroy_handles(&bss->nl_preq);
5582a5d1 6136 return -1;
504e905c
JM		 6137}
6138
6139
4e5cb1a3
JM		 6140static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
6141 int ifindex, int disabled)
6142{
6143 struct nl_msg *msg;
6144 struct nlattr *bands, *band;
6145 int ret;
6146
3e208481
JM		 6147 wpa_printf(MSG_DEBUG,
6148 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6149 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
6150 "no NL80211_TXRATE_LEGACY constraint");
6151
95376e1a
JM		 6152 msg = nl80211_ifindex_msg(drv, ifindex, 0,
6153 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 6154 if (!msg)
6155 return -1;
6156
4e5cb1a3
JM		 6157 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
6158 if (!bands)
a862e4a3 6159 goto fail;
4e5cb1a3
JM		 6160
6161 /*
6162 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6163 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6164 * rates. All 5 GHz rates are left enabled.
6165 */
6166 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM		 6167 if (!band ||
6168 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
6169 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6170 goto fail;
4e5cb1a3
JM		 6171 nla_nest_end(msg, band);
6172
6173 nla_nest_end(msg, bands);
6174
6175 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM		 6176 if (ret) {
6177 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
6178 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 6179 } else
6180 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 6181
6182 return ret;
6183
a862e4a3 6184fail:
4e5cb1a3
JM		 6185 nlmsg_free(msg);
6186 return -1;
6187}
6188
6189
af473088
JM		 6190static int wpa_driver_nl80211_deinit_ap(void *priv)
6191{
a2e40bb6
FF		 6192 struct i802_bss *bss = priv;
6193 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 6194 if (!is_ap_interface(drv->nlmode))
af473088
JM		 6195 return -1;
6196 wpa_driver_nl80211_del_beacon(drv);
9bc5cfa3 6197 bss->beacon_set = 0;
60b13c20
IP		 6198
6199 /*
6200 * If the P2P GO interface was dynamically added, then it is
6201 * possible that the interface change to station is not possible.
6202 */
6203 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
6204 return 0;
6205
b1f625e0 6206 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 6207}
6208
6209
695c7038
SW		 6210static int wpa_driver_nl80211_stop_ap(void *priv)
6211{
6212 struct i802_bss *bss = priv;
6213 struct wpa_driver_nl80211_data *drv = bss->drv;
6214 if (!is_ap_interface(drv->nlmode))
6215 return -1;
6216 wpa_driver_nl80211_del_beacon(drv);
6217 bss->beacon_set = 0;
6218 return 0;
6219}
6220
6221
3c29244e
EP		 6222static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
6223{
6224 struct i802_bss *bss = priv;
6225 struct wpa_driver_nl80211_data *drv = bss->drv;
6226 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
6227 return -1;
60b13c20
IP		 6228
6229 /*
6230 * If the P2P Client interface was dynamically added, then it is
6231 * possible that the interface change to station is not possible.
6232 */
6233 if (bss->if_dynamic)
6234 return 0;
6235
3c29244e
EP		 6236 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6237}
6238
6239
207ef3fb
JM		 6240static void wpa_driver_nl80211_resume(void *priv)
6241{
a2e40bb6 6242 struct i802_bss *bss = priv;
91724d6f
AS		 6243
6244 if (i802_set_iface_flags(bss, 1))
6245 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
207ef3fb
JM		 6246}
6247
6248
b625473c
JM		 6249static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
6250{
6251 struct i802_bss *bss = priv;
6252 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 6253 struct nl_msg *msg;
6254 struct nlattr *cqm;
b625473c
JM		 6255
6256 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
6257 "hysteresis=%d", threshold, hysteresis);
6258
13f83980 6259 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM		 6260 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
6261 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
6262 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
6263 nlmsg_free(msg);
6264 return -1;
6265 }
8970bae8 6266 nla_nest_end(msg, cqm);
21270bb4 6267
a862e4a3 6268 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 6269}
6270
6271
2cc8d8f4
AO		 6272static int get_channel_width(struct nl_msg *msg, void *arg)
6273{
6274 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6275 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6276 struct wpa_signal_info *sig_change = arg;
6277
6278 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6279 genlmsg_attrlen(gnlh, 0), NULL);
6280
6281 sig_change->center_frq1 = -1;
6282 sig_change->center_frq2 = -1;
6283 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
6284
6285 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
6286 sig_change->chanwidth = convert2width(
6287 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
6288 if (tb[NL80211_ATTR_CENTER_FREQ1])
6289 sig_change->center_frq1 =
6290 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
6291 if (tb[NL80211_ATTR_CENTER_FREQ2])
6292 sig_change->center_frq2 =
6293 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
6294 }
6295
6296 return NL_SKIP;
6297}
6298
6299
6300static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
6301 struct wpa_signal_info *sig)
6302{
6303 struct nl_msg *msg;
6304
9725b784 6305 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 6306 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO		 6307}
6308
6309
1c5c7273
PS		 6310static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
6311{
6312 struct i802_bss *bss = priv;
6313 struct wpa_driver_nl80211_data *drv = bss->drv;
6314 int res;
6315
6316 os_memset(si, 0, sizeof(*si));
6317 res = nl80211_get_link_signal(drv, si);
6318 if (res != 0)
6319 return res;
6320
2cc8d8f4
AO		 6321 res = nl80211_get_channel_width(drv, si);
6322 if (res != 0)
6323 return res;
6324
1c5c7273
PS		 6325 return nl80211_get_link_noise(drv, si);
6326}
6327
6328
57ebba59
JJ		 6329static int wpa_driver_nl80211_shared_freq(void *priv)
6330{
6331 struct i802_bss *bss = priv;
6332 struct wpa_driver_nl80211_data *drv = bss->drv;
6333 struct wpa_driver_nl80211_data *driver;
6334 int freq = 0;
6335
6336 /*
6337 * If the same PHY is in connected state with some other interface,
6338 * then retrieve the assoc freq.
6339 */
6340 wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s",
6341 drv->phyname);
6342
6343 dl_list_for_each(driver, &drv->global->interfaces,
6344 struct wpa_driver_nl80211_data, list) {
6345 if (drv == driver ||
6346 os_strcmp(drv->phyname, driver->phyname) != 0 ||
6347 !driver->associated)
6348 continue;
6349
6350 wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s "
6351 MACSTR,
834ee56f
KP		 6352 driver->phyname, driver->first_bss->ifname,
6353 MAC2STR(driver->first_bss->addr));
d3bd0f05 6354 if (is_ap_interface(driver->nlmode))
834ee56f 6355 freq = driver->first_bss->freq;
d3bd0f05
JJ		 6356 else
6357 freq = nl80211_get_assoc_freq(driver);
57ebba59
JJ		 6358 wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d",
6359 drv->phyname, freq);
6360 }
6361
6362 if (!freq)
6363 wpa_printf(MSG_DEBUG, "nl80211: No shared interface for "
6364 "PHY (%s) in associated state", drv->phyname);
6365
6366 return freq;
6367}
6368
6369
b91ab76e
JM		 6370static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
6371 int encrypt)
6372{
6373 struct i802_bss *bss = priv;
55231068
JM		 6374 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
6375 0, 0, 0, 0);
b91ab76e
JM		 6376}
6377
6378
c55f774d
JM		 6379static int nl80211_set_param(void *priv, const char *param)
6380{
c55f774d
JM		 6381 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
6382 if (param == NULL)
6383 return 0;
6384
6385#ifdef CONFIG_P2P
6386 if (os_strstr(param, "use_p2p_group_interface=1")) {
482856c8
JM		 6387 struct i802_bss *bss = priv;
6388 struct wpa_driver_nl80211_data *drv = bss->drv;
6389
c55f774d
JM		 6390 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
6391 "interface");
6392 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
6393 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
6394 }
6395#endif /* CONFIG_P2P */
6396
327b01d3
JM		 6397 if (os_strstr(param, "use_monitor=1")) {
6398 struct i802_bss *bss = priv;
6399 struct wpa_driver_nl80211_data *drv = bss->drv;
6400 drv->use_monitor = 1;
6401 }
6402
6403 if (os_strstr(param, "force_connect_cmd=1")) {
6404 struct i802_bss *bss = priv;
6405 struct wpa_driver_nl80211_data *drv = bss->drv;
6406 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 6407 drv->force_connect_cmd = 1;
327b01d3
JM		 6408 }
6409
64abb725
JM		 6410 if (os_strstr(param, "no_offchannel_tx=1")) {
6411 struct i802_bss *bss = priv;
6412 struct wpa_driver_nl80211_data *drv = bss->drv;
6413 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
6414 drv->test_use_roc_tx = 1;
6415 }
6416
c55f774d
JM		 6417 return 0;
6418}
6419
6420
f2ed8023
JM		 6421static void * nl80211_global_init(void)
6422{
6423 struct nl80211_global *global;
36d84860
BG		 6424 struct netlink_config *cfg;
6425
f2ed8023
JM		 6426 global = os_zalloc(sizeof(*global));
6427 if (global == NULL)
6428 return NULL;
c81eff1a 6429 global->ioctl_sock = -1;
f2ed8023 6430 dl_list_init(&global->interfaces);
ff6a158b 6431 global->if_add_ifindex = -1;
36d84860
BG		 6432
6433 cfg = os_zalloc(sizeof(*cfg));
6434 if (cfg == NULL)
6435 goto err;
6436
6437 cfg->ctx = global;
6438 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
6439 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
6440 global->netlink = netlink_init(cfg);
6441 if (global->netlink == NULL) {
6442 os_free(cfg);
6443 goto err;
6444 }
6445
2a7b66f5
BG		 6446 if (wpa_driver_nl80211_init_nl_global(global) < 0)
6447 goto err;
6448
c81eff1a
BG		 6449 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
6450 if (global->ioctl_sock < 0) {
7ac3616d
JM		 6451 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
6452 strerror(errno));
c81eff1a
BG		 6453 goto err;
6454 }
6455
f2ed8023 6456 return global;
36d84860
BG		 6457
6458err:
6459 nl80211_global_deinit(global);
6460 return NULL;
f2ed8023
JM		 6461}
6462
6463
6464static void nl80211_global_deinit(void *priv)
6465{
6466 struct nl80211_global *global = priv;
6467 if (global == NULL)
6468 return;
6469 if (!dl_list_empty(&global->interfaces)) {
6470 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
6471 "nl80211_global_deinit",
6472 dl_list_len(&global->interfaces));
6473 }
36d84860
BG		 6474
6475 if (global->netlink)
6476 netlink_deinit(global->netlink);
6477
276e2d67
BG		 6478 nl_destroy_handles(&global->nl);
6479
5f65e9f7
JB		 6480 if (global->nl_event)
6481 nl80211_destroy_eloop_handle(&global->nl_event);
d6c9aab8
JB		 6482
6483 nl_cb_put(global->nl_cb);
2a7b66f5 6484
c81eff1a
BG		 6485 if (global->ioctl_sock >= 0)
6486 close(global->ioctl_sock);
6487
f2ed8023
JM		 6488 os_free(global);
6489}
6490
6491
6859f1cb
BG		 6492static const char * nl80211_get_radio_name(void *priv)
6493{
6494 struct i802_bss *bss = priv;
6495 struct wpa_driver_nl80211_data *drv = bss->drv;
6496 return drv->phyname;
6497}
6498
6499
a6efc65d
JM		 6500static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
6501 const u8 *pmkid)
6502{
6503 struct nl_msg *msg;
6504
13f83980 6505 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 6506 (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
6507 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
6508 nlmsg_free(msg);
6509 return -ENOBUFS;
6510 }
a6efc65d
JM		 6511
6512 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 6513}
6514
6515
6516static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6517{
6518 struct i802_bss *bss = priv;
6519 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
6520 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
6521}
6522
6523
6524static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6525{
6526 struct i802_bss *bss = priv;
6527 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
6528 MAC2STR(bssid));
6529 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
6530}
6531
6532
6533static int nl80211_flush_pmkid(void *priv)
6534{
6535 struct i802_bss *bss = priv;
6536 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
6537 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
6538}
6539
6540
0185007c
MK		 6541static void clean_survey_results(struct survey_results *survey_results)
6542{
6543 struct freq_survey *survey, *tmp;
6544
6545 if (dl_list_empty(&survey_results->survey_list))
6546 return;
6547
6548 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
6549 struct freq_survey, list) {
6550 dl_list_del(&survey->list);
6551 os_free(survey);
6552 }
6553}
6554
6555
6556static void add_survey(struct nlattr **sinfo, u32 ifidx,
6557 struct dl_list *survey_list)
6558{
6559 struct freq_survey *survey;
6560
6561 survey = os_zalloc(sizeof(struct freq_survey));
6562 if (!survey)
6563 return;
6564
6565 survey->ifidx = ifidx;
6566 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6567 survey->filled = 0;
6568
6569 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
6570 survey->nf = (int8_t)
6571 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
6572 survey->filled |= SURVEY_HAS_NF;
6573 }
6574
6575 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
6576 survey->channel_time =
6577 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
6578 survey->filled |= SURVEY_HAS_CHAN_TIME;
6579 }
6580
6581 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
6582 survey->channel_time_busy =
6583 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
6584 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
6585 }
6586
6587 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
6588 survey->channel_time_rx =
6589 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
6590 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
6591 }
6592
6593 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
6594 survey->channel_time_tx =
6595 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
6596 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
6597 }
6598
6599 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)",
6600 survey->freq,
6601 survey->nf,
6602 (unsigned long int) survey->channel_time,
6603 (unsigned long int) survey->channel_time_busy,
6604 (unsigned long int) survey->channel_time_tx,
6605 (unsigned long int) survey->channel_time_rx,
6606 survey->filled);
6607
6608 dl_list_add_tail(survey_list, &survey->list);
6609}
6610
6611
6612static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
6613 unsigned int freq_filter)
6614{
6615 if (!freq_filter)
6616 return 1;
6617
6618 return freq_filter == surveyed_freq;
6619}
6620
6621
6622static int survey_handler(struct nl_msg *msg, void *arg)
6623{
6624 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6625 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6626 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
6627 struct survey_results *survey_results;
6628 u32 surveyed_freq = 0;
6629 u32 ifidx;
6630
6631 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
6632 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
6633 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
6634 };
6635
6636 survey_results = (struct survey_results *) arg;
6637
6638 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6639 genlmsg_attrlen(gnlh, 0), NULL);
6640
e28f39b7
SJ		 6641 if (!tb[NL80211_ATTR_IFINDEX])
6642 return NL_SKIP;
6643
0185007c
MK		 6644 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
6645
6646 if (!tb[NL80211_ATTR_SURVEY_INFO])
6647 return NL_SKIP;
6648
6649 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
6650 tb[NL80211_ATTR_SURVEY_INFO],
6651 survey_policy))
6652 return NL_SKIP;
6653
6654 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
6655 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
6656 return NL_SKIP;
6657 }
6658
6659 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6660
6661 if (!check_survey_ok(sinfo, surveyed_freq,
6662 survey_results->freq_filter))
6663 return NL_SKIP;
6664
6665 if (survey_results->freq_filter &&
6666 survey_results->freq_filter != surveyed_freq) {
6667 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
6668 surveyed_freq);
6669 return NL_SKIP;
6670 }
6671
6672 add_survey(sinfo, ifidx, &survey_results->survey_list);
6673
6674 return NL_SKIP;
6675}
6676
6677
6678static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
6679{
6680 struct i802_bss *bss = priv;
6681 struct wpa_driver_nl80211_data *drv = bss->drv;
6682 struct nl_msg *msg;
9725b784 6683 int err;
0185007c
MK		 6684 union wpa_event_data data;
6685 struct survey_results *survey_results;
6686
6687 os_memset(&data, 0, sizeof(data));
6688 survey_results = &data.survey_results;
6689
6690 dl_list_init(&survey_results->survey_list);
6691
9725b784 6692 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 6693 if (!msg)
a862e4a3 6694 return -ENOBUFS;
0185007c 6695
0185007c
MK		 6696 if (freq)
6697 data.survey_results.freq_filter = freq;
6698
6699 do {
6700 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
6701 err = send_and_recv_msgs(drv, msg, survey_handler,
6702 survey_results);
6703 } while (err > 0);
6704
a862e4a3 6705 if (err)
0185007c 6706 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM		 6707 else
6708 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 6709
0185007c 6710 clean_survey_results(survey_results);
0185007c
MK		 6711 return err;
6712}
6713
6714
b14a210c
JB		 6715static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
6716 const u8 *replay_ctr)
6717{
6718 struct i802_bss *bss = priv;
6719 struct wpa_driver_nl80211_data *drv = bss->drv;
6720 struct nlattr *replay_nested;
6721 struct nl_msg *msg;
6722
13f83980 6723 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3
JM		 6724 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
6725 nla_put(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek) ||
6726 nla_put(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck) ||
6727 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
6728 replay_ctr)) {
6729 nlmsg_free(msg);
6730 return;
6731 }
b14a210c
JB		 6732
6733 nla_nest_end(msg, replay_nested);
6734
6735 send_and_recv_msgs(drv, msg, NULL, NULL);
b14a210c
JB		 6736}
6737
6738
39718852
JB		 6739static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
6740 const u8 *addr, int qos)
bcf24348 6741{
39718852
JB		 6742 /* send data frame to poll STA and check whether
6743 * this frame is ACKed */
bcf24348
JB		 6744 struct {
6745 struct ieee80211_hdr hdr;
6746 u16 qos_ctl;
6747 } STRUCT_PACKED nulldata;
6748 size_t size;
6749
6750 /* Send data frame to poll STA and check whether this frame is ACKed */
6751
6752 os_memset(&nulldata, 0, sizeof(nulldata));
6753
6754 if (qos) {
6755 nulldata.hdr.frame_control =
6756 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6757 WLAN_FC_STYPE_QOS_NULL);
6758 size = sizeof(nulldata);
6759 } else {
6760 nulldata.hdr.frame_control =
6761 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6762 WLAN_FC_STYPE_NULLFUNC);
6763 size = sizeof(struct ieee80211_hdr);
6764 }
6765
6766 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
6767 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
6768 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
6769 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
6770
9ebce9c5
JM		 6771 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
6772 0, 0) < 0)
bcf24348
JB		 6773 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
6774 "send poll frame");
6775}
6776
39718852
JB		 6777static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
6778 int qos)
6779{
6780 struct i802_bss *bss = priv;
6781 struct wpa_driver_nl80211_data *drv = bss->drv;
6782 struct nl_msg *msg;
6783
6784 if (!drv->poll_command_supported) {
6785 nl80211_send_null_frame(bss, own_addr, addr, qos);
6786 return;
6787 }
6788
13f83980 6789 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM		 6790 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
6791 nlmsg_free(msg);
6792 return;
6793 }
39718852
JB		 6794
6795 send_and_recv_msgs(drv, msg, NULL, NULL);
39718852
JB		 6796}
6797
bcf24348 6798
29f338af
JM		 6799static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
6800{
6801 struct nl_msg *msg;
6802
13f83980 6803 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM		 6804 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
6805 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
6806 nlmsg_free(msg);
6807 return -ENOBUFS;
6808 }
29f338af 6809 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
29f338af
JM		 6810}
6811
6812
6813static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
6814 int ctwindow)
6815{
6816 struct i802_bss *bss = priv;
6817
6818 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
6819 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
6820
0de38036
JM		 6821 if (opp_ps != -1 || ctwindow != -1) {
6822#ifdef ANDROID_P2P
6823 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
6824#else /* ANDROID_P2P */
29f338af 6825 return -1; /* Not yet supported */
0de38036
JM		 6826#endif /* ANDROID_P2P */
6827 }
29f338af
JM		 6828
6829 if (legacy_ps == -1)
6830 return 0;
6831 if (legacy_ps != 0 && legacy_ps != 1)
6832 return -1; /* Not yet supported */
6833
6834 return nl80211_set_power_save(bss, legacy_ps);
6835}
6836
6837
04e8003c
JD		 6838static int nl80211_start_radar_detection(void *priv,
6839 struct hostapd_freq_params *freq)
f90e9c1c
SW		 6840{
6841 struct i802_bss *bss = priv;
6842 struct wpa_driver_nl80211_data *drv = bss->drv;
6843 struct nl_msg *msg;
6844 int ret;
6845
04e8003c
JD		 6846 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)",
6847 freq->freq, freq->ht_enabled, freq->vht_enabled,
6848 freq->bandwidth, freq->center_freq1, freq->center_freq2);
6849
f90e9c1c
SW		 6850 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
6851 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
6852 "detection");
6853 return -1;
6854 }
6855
9725b784 6856 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM		 6857 nl80211_put_freq_params(msg, freq) < 0) {
6858 nlmsg_free(msg);
6859 return -1;
6860 }
f90e9c1c
SW		 6861
6862 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6863 if (ret == 0)
6864 return 0;
6865 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
6866 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW		 6867 return -1;
6868}
6869
03ea1786
AN		 6870#ifdef CONFIG_TDLS
6871
6872static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
6873 u8 dialog_token, u16 status_code,
984dadc2
AN		 6874 u32 peer_capab, int initiator, const u8 *buf,
6875 size_t len)
03ea1786
AN		 6876{
6877 struct i802_bss *bss = priv;
6878 struct wpa_driver_nl80211_data *drv = bss->drv;
6879 struct nl_msg *msg;
6880
6881 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6882 return -EOPNOTSUPP;
6883
6884 if (!dst)
6885 return -EINVAL;
6886
9725b784 6887 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM		 6888 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6889 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
6890 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
6891 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
6892 goto fail;
96ecea5e
SD		 6893 if (peer_capab) {
6894 /*
6895 * The internal enum tdls_peer_capability definition is
6896 * currently identical with the nl80211 enum
6897 * nl80211_tdls_peer_capability, so no conversion is needed
6898 * here.
6899 */
a862e4a3
JM		 6900 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
6901 peer_capab))
6902 goto fail;
96ecea5e 6903 }
a862e4a3
JM		 6904 if ((initiator &&
6905 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
6906 nla_put(msg, NL80211_ATTR_IE, len, buf))
6907 goto fail;
03ea1786
AN		 6908
6909 return send_and_recv_msgs(drv, msg, NULL, NULL);
6910
a862e4a3 6911fail:
03ea1786
AN		 6912 nlmsg_free(msg);
6913 return -ENOBUFS;
6914}
6915
6916
6917static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
6918{
6919 struct i802_bss *bss = priv;
6920 struct wpa_driver_nl80211_data *drv = bss->drv;
6921 struct nl_msg *msg;
6922 enum nl80211_tdls_operation nl80211_oper;
6923
6924 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6925 return -EOPNOTSUPP;
6926
6927 switch (oper) {
6928 case TDLS_DISCOVERY_REQ:
6929 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
6930 break;
6931 case TDLS_SETUP:
6932 nl80211_oper = NL80211_TDLS_SETUP;
6933 break;
6934 case TDLS_TEARDOWN:
6935 nl80211_oper = NL80211_TDLS_TEARDOWN;
6936 break;
6937 case TDLS_ENABLE_LINK:
6938 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
6939 break;
6940 case TDLS_DISABLE_LINK:
6941 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
6942 break;
6943 case TDLS_ENABLE:
6944 return 0;
6945 case TDLS_DISABLE:
6946 return 0;
6947 default:
6948 return -EINVAL;
6949 }
6950
9725b784 6951 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 6952 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM		 6953 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
6954 nlmsg_free(msg);
6955 return -ENOBUFS;
6956 }
03ea1786
AN		 6957
6958 return send_and_recv_msgs(drv, msg, NULL, NULL);
03ea1786
AN		 6959}
6960
6961#endif /* CONFIG TDLS */
6962
6963
9ebce9c5
JM		 6964static int driver_nl80211_set_key(const char *ifname, void *priv,
6965 enum wpa_alg alg, const u8 *addr,
6966 int key_idx, int set_tx,
6967 const u8 *seq, size_t seq_len,
6968 const u8 *key, size_t key_len)
6969{
6970 struct i802_bss *bss = priv;
6971 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
6972 set_tx, seq, seq_len, key, key_len);
6973}
6974
6975
6976static int driver_nl80211_scan2(void *priv,
6977 struct wpa_driver_scan_params *params)
6978{
6979 struct i802_bss *bss = priv;
6980 return wpa_driver_nl80211_scan(bss, params);
6981}
6982
6983
6984static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
6985 int reason_code)
6986{
6987 struct i802_bss *bss = priv;
6988 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
6989}
6990
6991
6992static int driver_nl80211_authenticate(void *priv,
6993 struct wpa_driver_auth_params *params)
6994{
6995 struct i802_bss *bss = priv;
6996 return wpa_driver_nl80211_authenticate(bss, params);
6997}
6998
6999
7000static void driver_nl80211_deinit(void *priv)
7001{
7002 struct i802_bss *bss = priv;
7003 wpa_driver_nl80211_deinit(bss);
7004}
7005
7006
7007static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
7008 const char *ifname)
7009{
7010 struct i802_bss *bss = priv;
7011 return wpa_driver_nl80211_if_remove(bss, type, ifname);
7012}
7013
7014
7015static int driver_nl80211_send_mlme(void *priv, const u8 *data,
7016 size_t data_len, int noack)
7017{
7018 struct i802_bss *bss = priv;
7019 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
7020 0, 0, 0, 0);
7021}
7022
7023
7024static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
7025{
7026 struct i802_bss *bss = priv;
59d7148a 7027 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 7028}
7029
7030
9ebce9c5
JM		 7031static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
7032 const char *ifname, int vlan_id)
7033{
7034 struct i802_bss *bss = priv;
7035 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
7036}
9ebce9c5
JM		 7037
7038
7039static int driver_nl80211_read_sta_data(void *priv,
7040 struct hostap_sta_driver_data *data,
7041 const u8 *addr)
7042{
7043 struct i802_bss *bss = priv;
7044 return i802_read_sta_data(bss, data, addr);
7045}
7046
7047
7048static int driver_nl80211_send_action(void *priv, unsigned int freq,
7049 unsigned int wait_time,
7050 const u8 *dst, const u8 *src,
7051 const u8 *bssid,
7052 const u8 *data, size_t data_len,
7053 int no_cck)
7054{
7055 struct i802_bss *bss = priv;
7056 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
7057 bssid, data, data_len, no_cck);
7058}
7059
7060
7061static int driver_nl80211_probe_req_report(void *priv, int report)
7062{
7063 struct i802_bss *bss = priv;
7064 return wpa_driver_nl80211_probe_req_report(bss, report);
7065}
7066
7067
6a1ce395
DG		 7068static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
7069 const u8 *ies, size_t ies_len)
7070{
7071 int ret;
7072 struct nl_msg *msg;
7073 struct i802_bss *bss = priv;
7074 struct wpa_driver_nl80211_data *drv = bss->drv;
7075 u16 mdid = WPA_GET_LE16(md);
7076
6a1ce395 7077 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 7078 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM		 7079 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
7080 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
7081 nlmsg_free(msg);
7082 return -ENOBUFS;
7083 }
6a1ce395
DG		 7084
7085 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7086 if (ret) {
7087 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
7088 "err=%d (%s)", ret, strerror(-ret));
7089 }
7090
7091 return ret;
6a1ce395
DG		 7092}
7093
7094
597b94f5
AS		 7095const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
7096{
7097 struct i802_bss *bss = priv;
7098 struct wpa_driver_nl80211_data *drv = bss->drv;
7099
7100 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
7101 return NULL;
7102
7103 return bss->addr;
7104}
7105
7106
a771c07d
JM		 7107static const char * scan_state_str(enum scan_states scan_state)
7108{
7109 switch (scan_state) {
7110 case NO_SCAN:
7111 return "NO_SCAN";
7112 case SCAN_REQUESTED:
7113 return "SCAN_REQUESTED";
7114 case SCAN_STARTED:
7115 return "SCAN_STARTED";
7116 case SCAN_COMPLETED:
7117 return "SCAN_COMPLETED";
7118 case SCAN_ABORTED:
7119 return "SCAN_ABORTED";
7120 case SCHED_SCAN_STARTED:
7121 return "SCHED_SCAN_STARTED";
7122 case SCHED_SCAN_STOPPED:
7123 return "SCHED_SCAN_STOPPED";
7124 case SCHED_SCAN_RESULTS:
7125 return "SCHED_SCAN_RESULTS";
7126 }
7127
7128 return "??";
7129}
7130
7131
7132static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
7133{
7134 struct i802_bss *bss = priv;
7135 struct wpa_driver_nl80211_data *drv = bss->drv;
7136 int res;
7137 char *pos, *end;
7138
7139 pos = buf;
7140 end = buf + buflen;
7141
7142 res = os_snprintf(pos, end - pos,
7143 "ifindex=%d\n"
7144 "ifname=%s\n"
7145 "brname=%s\n"
7146 "addr=" MACSTR "\n"
7147 "freq=%d\n"
7148 "%s%s%s%s%s",
7149 bss->ifindex,
7150 bss->ifname,
7151 bss->brname,
7152 MAC2STR(bss->addr),
7153 bss->freq,
7154 bss->beacon_set ? "beacon_set=1\n" : "",
7155 bss->added_if_into_bridge ?
7156 "added_if_into_bridge=1\n" : "",
7157 bss->added_bridge ? "added_bridge=1\n" : "",
7158 bss->in_deinit ? "in_deinit=1\n" : "",
7159 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 7160 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7161 return pos - buf;
7162 pos += res;
7163
7164 if (bss->wdev_id_set) {
7165 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
7166 (unsigned long long) bss->wdev_id);
d85e1fc8 7167 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7168 return pos - buf;
7169 pos += res;
7170 }
7171
7172 res = os_snprintf(pos, end - pos,
7173 "phyname=%s\n"
fee354c7 7174 "perm_addr=" MACSTR "\n"
a771c07d
JM		 7175 "drv_ifindex=%d\n"
7176 "operstate=%d\n"
7177 "scan_state=%s\n"
7178 "auth_bssid=" MACSTR "\n"
7179 "auth_attempt_bssid=" MACSTR "\n"
7180 "bssid=" MACSTR "\n"
7181 "prev_bssid=" MACSTR "\n"
7182 "associated=%d\n"
7183 "assoc_freq=%u\n"
7184 "monitor_sock=%d\n"
7185 "monitor_ifidx=%d\n"
7186 "monitor_refcount=%d\n"
7187 "last_mgmt_freq=%u\n"
7188 "eapol_tx_sock=%d\n"
97752f79 7189 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 7190 drv->phyname,
fee354c7 7191 MAC2STR(drv->perm_addr),
a771c07d
JM		 7192 drv->ifindex,
7193 drv->operstate,
7194 scan_state_str(drv->scan_state),
7195 MAC2STR(drv->auth_bssid),
7196 MAC2STR(drv->auth_attempt_bssid),
7197 MAC2STR(drv->bssid),
7198 MAC2STR(drv->prev_bssid),
7199 drv->associated,
7200 drv->assoc_freq,
7201 drv->monitor_sock,
7202 drv->monitor_ifidx,
7203 drv->monitor_refcount,
7204 drv->last_mgmt_freq,
7205 drv->eapol_tx_sock,
7206 drv->ignore_if_down_event ?
7207 "ignore_if_down_event=1\n" : "",
7208 drv->scan_complete_events ?
7209 "scan_complete_events=1\n" : "",
7210 drv->disabled_11b_rates ?
7211 "disabled_11b_rates=1\n" : "",
7212 drv->pending_remain_on_chan ?
7213 "pending_remain_on_chan=1\n" : "",
7214 drv->in_interface_list ? "in_interface_list=1\n" : "",
7215 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
7216 drv->poll_command_supported ?
7217 "poll_command_supported=1\n" : "",
7218 drv->data_tx_status ? "data_tx_status=1\n" : "",
7219 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
7220 drv->retry_auth ? "retry_auth=1\n" : "",
7221 drv->use_monitor ? "use_monitor=1\n" : "",
7222 drv->ignore_next_local_disconnect ?
7223 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 7224 drv->ignore_next_local_deauth ?
97752f79 7225 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 7226 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7227 return pos - buf;
7228 pos += res;
7229
7230 if (drv->has_capability) {
7231 res = os_snprintf(pos, end - pos,
7232 "capa.key_mgmt=0x%x\n"
7233 "capa.enc=0x%x\n"
7234 "capa.auth=0x%x\n"
24bd4e0b 7235 "capa.flags=0x%llx\n"
a0a34d53 7236 "capa.rrm_flags=0x%x\n"
a771c07d
JM		 7237 "capa.max_scan_ssids=%d\n"
7238 "capa.max_sched_scan_ssids=%d\n"
7239 "capa.sched_scan_supported=%d\n"
7240 "capa.max_match_sets=%d\n"
7241 "capa.max_remain_on_chan=%u\n"
7242 "capa.max_stations=%u\n"
7243 "capa.probe_resp_offloads=0x%x\n"
7244 "capa.max_acl_mac_addrs=%u\n"
7245 "capa.num_multichan_concurrent=%u\n",
7246 drv->capa.key_mgmt,
7247 drv->capa.enc,
7248 drv->capa.auth,
24bd4e0b 7249 (unsigned long long) drv->capa.flags,
a0a34d53 7250 drv->capa.rrm_flags,
a771c07d
JM		 7251 drv->capa.max_scan_ssids,
7252 drv->capa.max_sched_scan_ssids,
7253 drv->capa.sched_scan_supported,
7254 drv->capa.max_match_sets,
7255 drv->capa.max_remain_on_chan,
7256 drv->capa.max_stations,
7257 drv->capa.probe_resp_offloads,
7258 drv->capa.max_acl_mac_addrs,
7259 drv->capa.num_multichan_concurrent);
d85e1fc8 7260 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7261 return pos - buf;
7262 pos += res;
7263 }
7264
7265 return pos - buf;
7266}
7267
7268
1c4ffa87
AO		 7269static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
7270{
a862e4a3
JM		 7271 if ((settings->head &&
7272 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
7273 settings->head_len, settings->head)) ||
7274 (settings->tail &&
7275 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
7276 settings->tail_len, settings->tail)) ||
7277 (settings->beacon_ies &&
7278 nla_put(msg, NL80211_ATTR_IE,
7279 settings->beacon_ies_len, settings->beacon_ies)) ||
7280 (settings->proberesp_ies &&
7281 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
7282 settings->proberesp_ies_len, settings->proberesp_ies)) ||
7283 (settings->assocresp_ies &&
7284 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
7285 settings->assocresp_ies_len, settings->assocresp_ies)) ||
7286 (settings->probe_resp &&
7287 nla_put(msg, NL80211_ATTR_PROBE_RESP,
7288 settings->probe_resp_len, settings->probe_resp)))
7289 return -ENOBUFS;
1c4ffa87
AO		 7290
7291 return 0;
1c4ffa87
AO		 7292}
7293
7294
7295static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
7296{
7297 struct nl_msg *msg;
7298 struct i802_bss *bss = priv;
7299 struct wpa_driver_nl80211_data *drv = bss->drv;
7300 struct nlattr *beacon_csa;
7301 int ret = -ENOBUFS;
7302
8d1fdde7 7303 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 7304 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 7305 settings->freq_params.freq, settings->freq_params.bandwidth,
7306 settings->freq_params.center_freq1,
7307 settings->freq_params.center_freq2);
1c4ffa87 7308
991aa9c7 7309 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 7310 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
7311 return -EOPNOTSUPP;
7312 }
7313
7314 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
7315 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
7316 return -EOPNOTSUPP;
7317
7318 /* check settings validity */
7319 if (!settings->beacon_csa.tail ||
7320 ((settings->beacon_csa.tail_len <=
7321 settings->counter_offset_beacon) ||
7322 (settings->beacon_csa.tail[settings->counter_offset_beacon] !=
7323 settings->cs_count)))
7324 return -EINVAL;
7325
7326 if (settings->beacon_csa.probe_resp &&
7327 ((settings->beacon_csa.probe_resp_len <=
7328 settings->counter_offset_presp) ||
7329 (settings->beacon_csa.probe_resp[settings->counter_offset_presp] !=
7330 settings->cs_count)))
7331 return -EINVAL;
7332
13f83980 7333 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM		 7334 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
7335 settings->cs_count) ||
7336 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
7337 (settings->block_tx &&
7338 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO		 7339 goto error;
7340
1c4ffa87
AO		 7341 /* beacon_after params */
7342 ret = set_beacon_data(msg, &settings->beacon_after);
7343 if (ret)
7344 goto error;
7345
7346 /* beacon_csa params */
7347 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
7348 if (!beacon_csa)
a862e4a3 7349 goto fail;
1c4ffa87
AO		 7350
7351 ret = set_beacon_data(msg, &settings->beacon_csa);
7352 if (ret)
7353 goto error;
7354
a862e4a3
JM		 7355 if (nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
7356 settings->counter_offset_beacon) ||
7357 (settings->beacon_csa.probe_resp &&
7358 nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
7359 settings->counter_offset_presp)))
7360 goto fail;
1c4ffa87
AO		 7361
7362 nla_nest_end(msg, beacon_csa);
7363 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7364 if (ret) {
7365 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
7366 ret, strerror(-ret));
7367 }
7368 return ret;
7369
a862e4a3 7370fail:
1c4ffa87
AO		 7371 ret = -ENOBUFS;
7372error:
7373 nlmsg_free(msg);
7374 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
7375 return ret;
7376}
7377
7378
dfa87878
MB		 7379static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
7380 u8 user_priority, u16 admitted_time)
7381{
7382 struct i802_bss *bss = priv;
7383 struct wpa_driver_nl80211_data *drv = bss->drv;
7384 struct nl_msg *msg;
7385 int ret;
7386
7387 wpa_printf(MSG_DEBUG,
7388 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
7389 tsid, admitted_time, user_priority);
7390
7391 if (!is_sta_interface(drv->nlmode))
7392 return -ENOTSUP;
7393
56f77852
JM		 7394 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
7395 if (!msg ||
a862e4a3
JM		 7396 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7397 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7398 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
7399 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
7400 nlmsg_free(msg);
7401 return -ENOBUFS;
7402 }
dfa87878
MB		 7403
7404 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7405 if (ret)
7406 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
7407 ret, strerror(-ret));
7408 return ret;
dfa87878
MB		 7409}
7410
7411
7412static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
7413{
7414 struct i802_bss *bss = priv;
7415 struct wpa_driver_nl80211_data *drv = bss->drv;
7416 struct nl_msg *msg;
7417 int ret;
7418
7419 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
7420
7421 if (!is_sta_interface(drv->nlmode))
7422 return -ENOTSUP;
7423
56f77852 7424 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM		 7425 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7426 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7427 nlmsg_free(msg);
7428 return -ENOBUFS;
7429 }
dfa87878
MB		 7430
7431 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7432 if (ret)
7433 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
7434 ret, strerror(-ret));
7435 return ret;
dfa87878
MB		 7436}
7437
7438
6b9f7af6
JM		 7439#ifdef CONFIG_TESTING_OPTIONS
7440static int cmd_reply_handler(struct nl_msg *msg, void *arg)
7441{
7442 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7443 struct wpabuf *buf = arg;
7444
7445 if (!buf)
7446 return NL_SKIP;
7447
7448 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
7449 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
7450 return NL_SKIP;
7451 }
7452
7453 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
7454 genlmsg_attrlen(gnlh, 0));
7455
7456 return NL_SKIP;
7457}
7458#endif /* CONFIG_TESTING_OPTIONS */
7459
7460
adef8948
BL		 7461static int vendor_reply_handler(struct nl_msg *msg, void *arg)
7462{
7463 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7464 struct nlattr *nl_vendor_reply, *nl;
7465 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7466 struct wpabuf *buf = arg;
7467 int rem;
7468
7469 if (!buf)
7470 return NL_SKIP;
7471
7472 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7473 genlmsg_attrlen(gnlh, 0), NULL);
7474 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
7475
7476 if (!nl_vendor_reply)
7477 return NL_SKIP;
7478
7479 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
7480 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
7481 return NL_SKIP;
7482 }
7483
7484 nla_for_each_nested(nl, nl_vendor_reply, rem) {
7485 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
7486 }
7487
7488 return NL_SKIP;
7489}
7490
7491
7492static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
7493 unsigned int subcmd, const u8 *data,
7494 size_t data_len, struct wpabuf *buf)
7495{
7496 struct i802_bss *bss = priv;
7497 struct wpa_driver_nl80211_data *drv = bss->drv;
7498 struct nl_msg *msg;
7499 int ret;
7500
6b9f7af6
JM		 7501#ifdef CONFIG_TESTING_OPTIONS
7502 if (vendor_id == 0xffffffff) {
56f77852
JM		 7503 msg = nlmsg_alloc();
7504 if (!msg)
7505 return -ENOMEM;
7506
6b9f7af6
JM		 7507 nl80211_cmd(drv, msg, 0, subcmd);
7508 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
7509 0)
a862e4a3 7510 goto fail;
6b9f7af6
JM		 7511 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
7512 if (ret)
7513 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
7514 ret);
7515 return ret;
7516 }
7517#endif /* CONFIG_TESTING_OPTIONS */
7518
56f77852 7519 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 7520 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
7521 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
7522 (data &&
7523 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
7524 goto fail;
adef8948
BL		 7525
7526 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
7527 if (ret)
7528 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
7529 ret);
7530 return ret;
7531
a862e4a3 7532fail:
adef8948
BL		 7533 nlmsg_free(msg);
7534 return -ENOBUFS;
7535}
7536
7537
049105b4
KP		 7538static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
7539 u8 qos_map_set_len)
7540{
7541 struct i802_bss *bss = priv;
7542 struct wpa_driver_nl80211_data *drv = bss->drv;
7543 struct nl_msg *msg;
7544 int ret;
7545
049105b4
KP		 7546 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
7547 qos_map_set, qos_map_set_len);
7548
9725b784 7549 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM		 7550 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
7551 nlmsg_free(msg);
7552 return -ENOBUFS;
7553 }
049105b4
KP		 7554
7555 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7556 if (ret)
7557 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
7558
7559 return ret;
049105b4
KP		 7560}
7561
7562
e4fa8b12
EP		 7563static int nl80211_set_wowlan(void *priv,
7564 const struct wowlan_triggers *triggers)
7565{
7566 struct i802_bss *bss = priv;
7567 struct wpa_driver_nl80211_data *drv = bss->drv;
7568 struct nl_msg *msg;
7569 struct nlattr *wowlan_triggers;
7570 int ret;
7571
e4fa8b12
EP		 7572 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
7573
9725b784 7574 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM		 7575 !(wowlan_triggers = nla_nest_start(msg,
7576 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
7577 (triggers->any &&
7578 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
7579 (triggers->disconnect &&
7580 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
7581 (triggers->magic_pkt &&
7582 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
7583 (triggers->gtk_rekey_failure &&
7584 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
7585 (triggers->eap_identity_req &&
7586 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
7587 (triggers->four_way_handshake &&
7588 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
7589 (triggers->rfkill_release &&
7590 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
7591 nlmsg_free(msg);
7592 return -ENOBUFS;
7593 }
e4fa8b12
EP		 7594
7595 nla_nest_end(msg, wowlan_triggers);
7596
7597 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7598 if (ret)
7599 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
7600
7601 return ret;
e4fa8b12
EP		 7602}
7603
7604
0800f9ee
JM		 7605static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
7606{
7607 struct i802_bss *bss = priv;
7608 struct wpa_driver_nl80211_data *drv = bss->drv;
7609 struct nl_msg *msg;
7610 struct nlattr *params;
7611
7612 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
7613
7614 if (!drv->roaming_vendor_cmd_avail) {
7615 wpa_printf(MSG_DEBUG,
7616 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
7617 return -1;
7618 }
7619
9725b784 7620 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 7621 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
7622 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
7623 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
7624 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
7625 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
7626 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
7627 QCA_ROAMING_NOT_ALLOWED) ||
7628 (bssid &&
7629 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
7630 nlmsg_free(msg);
7631 return -1;
7632 }
0800f9ee
JM		 7633 nla_nest_end(msg, params);
7634
7635 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee
JM		 7636}
7637
7638
fee354c7
JM		 7639static int nl80211_set_mac_addr(void *priv, const u8 *addr)
7640{
7641 struct i802_bss *bss = priv;
7642 struct wpa_driver_nl80211_data *drv = bss->drv;
7643 int new_addr = addr != NULL;
7644
7645 if (!addr)
7646 addr = drv->perm_addr;
7647
7648 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
7649 return -1;
7650
7651 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
7652 {
7653 wpa_printf(MSG_DEBUG,
7654 "nl80211: failed to set_mac_addr for %s to " MACSTR,
7655 bss->ifname, MAC2STR(addr));
7656 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
7657 1) < 0) {
7658 wpa_printf(MSG_DEBUG,
7659 "nl80211: Could not restore interface UP after failed set_mac_addr");
7660 }
7661 return -1;
7662 }
7663
7664 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
7665 bss->ifname, MAC2STR(addr));
7666 drv->addr_changed = new_addr;
7667 os_memcpy(bss->addr, addr, ETH_ALEN);
7668
7669 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
7670 {
7671 wpa_printf(MSG_DEBUG,
7672 "nl80211: Could not restore interface UP after set_mac_addr");
7673 }
7674
7675 return 0;
7676}
7677
7678
6c1664f6
BC		 7679#ifdef CONFIG_MESH
7680
7681static int wpa_driver_nl80211_init_mesh(void *priv)
7682{
7683 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
7684 wpa_printf(MSG_INFO,
7685 "nl80211: Failed to set interface into mesh mode");
7686 return -1;
7687 }
7688 return 0;
7689}
7690
7691
7692static int
7693wpa_driver_nl80211_join_mesh(void *priv,
7694 struct wpa_driver_mesh_join_params *params)
7695{
7696 struct i802_bss *bss = priv;
7697 struct wpa_driver_nl80211_data *drv = bss->drv;
7698 struct nl_msg *msg;
7699 struct nlattr *container;
7700 int ret = 0;
7701
6c1664f6 7702 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784
JM		 7703 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
7704 if (!msg)
a862e4a3 7705 goto fail;
6c1664f6
BC		 7706 if (params->freq) {
7707 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 7708 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
7709 goto fail;
6c1664f6
BC		 7710 }
7711
5cfb672d
JM		 7712 if (params->ht_mode) {
7713 unsigned int ht_value;
7714 char *ht_mode = "";
7715
7716 switch (params->ht_mode) {
7717 default:
7718 case CHAN_NO_HT:
7719 ht_value = NL80211_CHAN_NO_HT;
7720 ht_mode = "NOHT";
7721 break;
7722 case CHAN_HT20:
7723 ht_value = NL80211_CHAN_HT20;
7724 ht_mode = "HT20";
7725 break;
7726 case CHAN_HT40PLUS:
7727 ht_value = NL80211_CHAN_HT40PLUS;
7728 ht_mode = "HT40+";
7729 break;
7730 case CHAN_HT40MINUS:
7731 ht_value = NL80211_CHAN_HT40MINUS;
7732 ht_mode = "HT40-";
7733 break;
7734 }
7735 wpa_printf(MSG_DEBUG, " * ht_mode=%s", ht_mode);
a862e4a3
JM		 7736 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ht_value))
7737 goto fail;
5cfb672d
JM		 7738 }
7739
6c1664f6
BC		 7740 if (params->basic_rates) {
7741 u8 rates[NL80211_MAX_SUPP_RATES];
7742 u8 rates_len = 0;
7743 int i;
7744
7745 for (i = 0; i < NL80211_MAX_SUPP_RATES; i++) {
7746 if (params->basic_rates[i] < 0)
7747 break;
7748 rates[rates_len++] = params->basic_rates[i] / 5;
7749 }
7750
a862e4a3
JM		 7751 if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len,
7752 rates))
7753 goto fail;
6c1664f6
BC		 7754 }
7755
7756 if (params->meshid) {
7757 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7758 params->meshid, params->meshid_len);
a862e4a3
JM		 7759 if (nla_put(msg, NL80211_ATTR_MESH_ID, params->meshid_len,
7760 params->meshid))
7761 goto fail;
6c1664f6
BC		 7762 }
7763
9c58c5f7
MH		 7764 if (params->beacon_int > 0) {
7765 wpa_printf(MSG_DEBUG, " * beacon_int=%d", params->beacon_int);
7766 if (nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
7767 params->beacon_int))
7768 goto fail;
7769 }
7770
6c1664f6
BC		 7771 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
7772
7773 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
7774 if (!container)
a862e4a3 7775 goto fail;
6c1664f6
BC		 7776
7777 if (params->ies) {
7778 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM		 7779 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
7780 params->ies))
7781 goto fail;
6c1664f6
BC		 7782 }
7783 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
7784 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM		 7785 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
7786 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
7787 goto fail;
6c1664f6 7788 }
a862e4a3
JM		 7789 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
7790 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
7791 goto fail;
7792 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
7793 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
7794 goto fail;
6c1664f6
BC		 7795 nla_nest_end(msg, container);
7796
7797 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
7798 if (!container)
a862e4a3 7799 goto fail;
6c1664f6 7800
a862e4a3
JM		 7801 if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
7802 nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0))
7803 goto fail;
4b409368
MH		 7804 if ((params->conf.flags & WPA_DRIVER_MESH_FLAG_DRIVER_MPM) &&
7805 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7806 params->max_peer_links))
7807 goto fail;
6c1664f6
BC		 7808 nla_nest_end(msg, container);
7809
7810 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7811 msg = NULL;
7812 if (ret) {
7813 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
7814 ret, strerror(-ret));
a862e4a3 7815 goto fail;
6c1664f6
BC		 7816 }
7817 ret = 0;
7818 bss->freq = params->freq;
7819 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
7820
a862e4a3 7821fail:
6c1664f6
BC		 7822 nlmsg_free(msg);
7823 return ret;
7824}
7825
7826
7827static int wpa_driver_nl80211_leave_mesh(void *priv)
7828{
7829 struct i802_bss *bss = priv;
7830 struct wpa_driver_nl80211_data *drv = bss->drv;
7831 struct nl_msg *msg;
9725b784 7832 int ret;
6c1664f6
BC		 7833
7834 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 7835 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 7836 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC		 7837 if (ret) {
7838 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
7839 ret, strerror(-ret));
a862e4a3
JM		 7840 } else {
7841 wpa_printf(MSG_DEBUG,
7842 "nl80211: mesh leave request send successfully");
6c1664f6 7843 }
6c1664f6 7844
f33c82d2
JM		 7845 if (wpa_driver_nl80211_set_mode(drv->first_bss,
7846 NL80211_IFTYPE_STATION)) {
7847 wpa_printf(MSG_INFO,
7848 "nl80211: Failed to set interface into station mode");
7849 }
6c1664f6
BC		 7850 return ret;
7851}
7852
7853#endif /* CONFIG_MESH */
7854
7855
ed4ddb6d
KP		 7856static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
7857 const u8 *ipaddr, int prefixlen,
7858 const u8 *addr)
71103bed
KP		 7859{
7860#ifdef CONFIG_LIBNL3_ROUTE
7861 struct i802_bss *bss = priv;
7862 struct wpa_driver_nl80211_data *drv = bss->drv;
7863 struct rtnl_neigh *rn;
7864 struct nl_addr *nl_ipaddr = NULL;
7865 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 7866 int family, addrsize;
71103bed
KP		 7867 int res;
7868
ed4ddb6d 7869 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP		 7870 return -EINVAL;
7871
7872 if (bss->br_ifindex == 0) {
7873 wpa_printf(MSG_DEBUG,
7874 "nl80211: bridge must be set before adding an ip neigh to it");
7875 return -1;
7876 }
7877
7878 if (!drv->rtnl_sk) {
7879 wpa_printf(MSG_DEBUG,
7880 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
7881 return -1;
7882 }
7883
ed4ddb6d
KP		 7884 if (version == 4) {
7885 family = AF_INET;
7886 addrsize = 4;
7887 } else if (version == 6) {
7888 family = AF_INET6;
7889 addrsize = 16;
7890 } else {
7891 return -EINVAL;
7892 }
7893
71103bed
KP		 7894 rn = rtnl_neigh_alloc();
7895 if (rn == NULL)
7896 return -ENOMEM;
7897
7898 /* set the destination ip address for neigh */
ed4ddb6d 7899 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 7900 if (nl_ipaddr == NULL) {
7901 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
7902 res = -ENOMEM;
7903 goto errout;
7904 }
7905 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
7906 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
7907 if (res) {
7908 wpa_printf(MSG_DEBUG,
7909 "nl80211: neigh set destination addr failed");
7910 goto errout;
7911 }
7912
7913 /* set the corresponding lladdr for neigh */
7914 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
7915 if (nl_lladdr == NULL) {
7916 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
7917 res = -ENOMEM;
7918 goto errout;
7919 }
7920 rtnl_neigh_set_lladdr(rn, nl_lladdr);
7921
7922 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
7923 rtnl_neigh_set_state(rn, NUD_PERMANENT);
7924
7925 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
7926 if (res) {
7927 wpa_printf(MSG_DEBUG,
7928 "nl80211: Adding bridge ip neigh failed: %s",
7929 strerror(errno));
7930 }
7931errout:
7932 if (nl_lladdr)
7933 nl_addr_put(nl_lladdr);
7934 if (nl_ipaddr)
7935 nl_addr_put(nl_ipaddr);
7936 if (rn)
7937 rtnl_neigh_put(rn);
7938 return res;
7939#else /* CONFIG_LIBNL3_ROUTE */
7940 return -1;
7941#endif /* CONFIG_LIBNL3_ROUTE */
7942}
7943
7944
ed4ddb6d
KP		 7945static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
7946 const u8 *ipaddr)
71103bed
KP		 7947{
7948#ifdef CONFIG_LIBNL3_ROUTE
7949 struct i802_bss *bss = priv;
7950 struct wpa_driver_nl80211_data *drv = bss->drv;
7951 struct rtnl_neigh *rn;
7952 struct nl_addr *nl_ipaddr;
ed4ddb6d 7953 int family, addrsize;
71103bed
KP		 7954 int res;
7955
ed4ddb6d 7956 if (!ipaddr)
71103bed
KP		 7957 return -EINVAL;
7958
ed4ddb6d
KP		 7959 if (version == 4) {
7960 family = AF_INET;
7961 addrsize = 4;
7962 } else if (version == 6) {
7963 family = AF_INET6;
7964 addrsize = 16;
7965 } else {
7966 return -EINVAL;
7967 }
7968
71103bed
KP		 7969 if (bss->br_ifindex == 0) {
7970 wpa_printf(MSG_DEBUG,
7971 "nl80211: bridge must be set to delete an ip neigh");
7972 return -1;
7973 }
7974
7975 if (!drv->rtnl_sk) {
7976 wpa_printf(MSG_DEBUG,
7977 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
7978 return -1;
7979 }
7980
7981 rn = rtnl_neigh_alloc();
7982 if (rn == NULL)
7983 return -ENOMEM;
7984
7985 /* set the destination ip address for neigh */
ed4ddb6d 7986 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 7987 if (nl_ipaddr == NULL) {
7988 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
7989 res = -ENOMEM;
7990 goto errout;
7991 }
7992 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
7993 if (res) {
7994 wpa_printf(MSG_DEBUG,
7995 "nl80211: neigh set destination addr failed");
7996 goto errout;
7997 }
7998
7999 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8000
8001 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
8002 if (res) {
8003 wpa_printf(MSG_DEBUG,
8004 "nl80211: Deleting bridge ip neigh failed: %s",
8005 strerror(errno));
8006 }
8007errout:
8008 if (nl_ipaddr)
8009 nl_addr_put(nl_ipaddr);
8010 if (rn)
8011 rtnl_neigh_put(rn);
8012 return res;
8013#else /* CONFIG_LIBNL3_ROUTE */
8014 return -1;
8015#endif /* CONFIG_LIBNL3_ROUTE */
8016}
8017
8018
73d2294f
KP		 8019static int linux_write_system_file(const char *path, unsigned int val)
8020{
8021 char buf[50];
8022 int fd, len;
8023
8024 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 8025 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP		 8026 return -1;
8027
8028 fd = open(path, O_WRONLY);
8029 if (fd < 0)
8030 return -1;
8031
8032 if (write(fd, buf, len) < 0) {
8033 wpa_printf(MSG_DEBUG,
8034 "nl80211: Failed to write Linux system file: %s with the value of %d",
8035 path, val);
8036 close(fd);
8037 return -1;
8038 }
8039 close(fd);
8040
8041 return 0;
8042}
8043
8044
8045static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
8046{
8047 switch (attr) {
8048 case DRV_BR_PORT_ATTR_PROXYARP:
8049 return "proxyarp";
8050 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
8051 return "hairpin_mode";
8052 }
8053
8054 return NULL;
8055}
8056
8057
8058static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
8059 unsigned int val)
8060{
8061 struct i802_bss *bss = priv;
8062 char path[128];
8063 const char *attr_txt;
8064
8065 attr_txt = drv_br_port_attr_str(attr);
8066 if (attr_txt == NULL)
8067 return -EINVAL;
8068
8069 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
8070 bss->ifname, attr_txt);
8071
8072 if (linux_write_system_file(path, val))
8073 return -1;
8074
8075 return 0;
8076}
8077
8078
7565752d
KP		 8079static const char * drv_br_net_param_str(enum drv_br_net_param param)
8080{
8081 switch (param) {
8082 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8083 return "arp_accept";
8084 }
8085
8086 return NULL;
8087}
8088
8089
8090static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
8091 unsigned int val)
8092{
8093 struct i802_bss *bss = priv;
8094 char path[128];
8095 const char *param_txt;
8096 int ip_version = 4;
8097
8098 param_txt = drv_br_net_param_str(param);
8099 if (param_txt == NULL)
8100 return -EINVAL;
8101
8102 switch (param) {
8103 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8104 ip_version = 4;
8105 break;
8106 default:
8107 return -EINVAL;
8108 }
8109
8110 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
8111 ip_version, bss->brname, param_txt);
8112
8113 if (linux_write_system_file(path, val))
8114 return -1;
8115
8116 return 0;
8117}
8118
8119
16689c7c
PX		 8120static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
8121{
8122 switch (hw_mode) {
8123 case HOSTAPD_MODE_IEEE80211B:
8124 return QCA_ACS_MODE_IEEE80211B;
8125 case HOSTAPD_MODE_IEEE80211G:
8126 return QCA_ACS_MODE_IEEE80211G;
8127 case HOSTAPD_MODE_IEEE80211A:
8128 return QCA_ACS_MODE_IEEE80211A;
8129 case HOSTAPD_MODE_IEEE80211AD:
8130 return QCA_ACS_MODE_IEEE80211AD;
8131 default:
8132 return -1;
8133 }
8134}
8135
8136
8137static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
8138{
8139 struct i802_bss *bss = priv;
8140 struct wpa_driver_nl80211_data *drv = bss->drv;
8141 struct nl_msg *msg;
8142 struct nlattr *data;
a862e4a3 8143 int ret;
16689c7c
PX		 8144 int mode;
8145
8146 mode = hw_mode_to_qca_acs(params->hw_mode);
8147 if (mode < 0)
8148 return -1;
8149
9725b784 8150 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 8151 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8152 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8153 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
8154 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8155 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
8156 (params->ht_enabled &&
8157 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
8158 (params->ht40_enabled &&
8159 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED))) {
8160 nlmsg_free(msg);
8161 return -ENOBUFS;
8162 }
16689c7c
PX		 8163 nla_nest_end(msg, data);
8164
8165 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX		 8166 if (ret) {
8167 wpa_printf(MSG_DEBUG,
8168 "nl80211: Failed to invoke driver ACS function: %s",
8169 strerror(errno));
8170 }
16689c7c
PX		 8171 return ret;
8172}
8173
8174
3f5285e8
JM		 8175const struct wpa_driver_ops wpa_driver_nl80211_ops = {
8176 .name = "nl80211",
8177 .desc = "Linux nl80211/cfg80211",
8178 .get_bssid = wpa_driver_nl80211_get_bssid,
8179 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 8180 .set_key = driver_nl80211_set_key,
8181 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 8182 .sched_scan = wpa_driver_nl80211_sched_scan,
8183 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 8184 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
9ebce9c5
JM		 8185 .deauthenticate = driver_nl80211_deauthenticate,
8186 .authenticate = driver_nl80211_authenticate,
3f5285e8 8187 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 8188 .global_init = nl80211_global_init,
8189 .global_deinit = nl80211_global_deinit,
8190 .init2 = wpa_driver_nl80211_init,
9ebce9c5 8191 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 8192 .get_capa = wpa_driver_nl80211_get_capa,
8193 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 8194 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 8195 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 8196 .get_country = wpa_driver_nl80211_get_country,
19c3b566 8197 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 8198 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 8199 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 8200 .if_remove = driver_nl80211_if_remove,
8201 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 8202 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 8203 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 8204 .sta_remove = driver_nl80211_sta_remove,
db149ac9 8205 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 8206 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837 8207 .hapd_init = i802_init,
c5121837 8208 .hapd_deinit = i802_deinit,
f7b3920c 8209 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 8210 .get_seqnum = i802_get_seqnum,
8211 .flush = i802_flush,
c5121837
JM		 8212 .get_inact_sec = i802_get_inact_sec,
8213 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 8214 .set_rts = i802_set_rts,
8215 .set_frag = i802_set_frag,
c5121837 8216 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 8217 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 8218 .sta_deauth = i802_sta_deauth,
8219 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 8220 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 8221 .set_freq = i802_set_freq,
9ebce9c5 8222 .send_action = driver_nl80211_send_action,
5dfca53f 8223 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 8224 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
8225 .cancel_remain_on_channel =
8226 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 8227 .probe_req_report = driver_nl80211_probe_req_report,
af473088 8228 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 8229 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 8230 .resume = wpa_driver_nl80211_resume,
b625473c 8231 .signal_monitor = nl80211_signal_monitor,
1c5c7273 8232 .signal_poll = nl80211_signal_poll,
b91ab76e 8233 .send_frame = nl80211_send_frame,
57ebba59 8234 .shared_freq = wpa_driver_nl80211_shared_freq,
c55f774d 8235 .set_param = nl80211_set_param,
6859f1cb 8236 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 8237 .add_pmkid = nl80211_add_pmkid,
8238 .remove_pmkid = nl80211_remove_pmkid,
8239 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 8240 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 8241 .poll_client = nl80211_poll_client,
29f338af 8242 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 8243 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 8244 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 8245#ifdef CONFIG_TDLS
8246 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
8247 .tdls_oper = nl80211_tdls_oper,
8248#endif /* CONFIG_TDLS */
6a1ce395 8249 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 8250 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 8251 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 8252 .status = wpa_driver_nl80211_status,
1c4ffa87 8253 .switch_channel = nl80211_switch_channel,
0de38036
JM		 8254#ifdef ANDROID_P2P
8255 .set_noa = wpa_driver_set_p2p_noa,
8256 .get_noa = wpa_driver_get_p2p_noa,
8257 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
8258#endif /* ANDROID_P2P */
5e2c3490
JM		 8259#ifdef ANDROID
8260 .driver_cmd = wpa_driver_nl80211_driver_cmd,
8261#endif /* ANDROID */
adef8948 8262 .vendor_cmd = nl80211_vendor_cmd,
049105b4 8263 .set_qos_map = nl80211_set_qos_map,
e4fa8b12 8264 .set_wowlan = nl80211_set_wowlan,
0800f9ee 8265 .roaming = nl80211_roaming,
fee354c7 8266 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 8267#ifdef CONFIG_MESH
8268 .init_mesh = wpa_driver_nl80211_init_mesh,
8269 .join_mesh = wpa_driver_nl80211_join_mesh,
8270 .leave_mesh = wpa_driver_nl80211_leave_mesh,
8271#endif /* CONFIG_MESH */
71103bed
KP		 8272 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
8273 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 8274 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 8275 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB		 8276 .add_tx_ts = nl80211_add_ts,
8277 .del_tx_ts = nl80211_del_ts,
16689c7c 8278 .do_acs = wpa_driver_do_acs,
3f5285e8 8279};
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