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tests: Extend scan_dfs to cover US-disallowed channels 12 and 13
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
98cd3d1c 3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
072ad14c
JM		 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
58f6fbe0 7 * Copyright (c) 2009-2010, Atheros Communications
3f5285e8 8 *
0f3d578e
JM		 9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
3f5285e8
JM		 11 */
12
13#include "includes.h"
6859f1cb 14#include <sys/types.h>
73d2294f 15#include <fcntl.h>
37b7d082 16#include <net/if.h>
3f5285e8 17#include <netlink/genl/genl.h>
3f5285e8 18#include <netlink/genl/ctrl.h>
97ed9a06
KP		 19#ifdef CONFIG_LIBNL3_ROUTE
20#include <netlink/route/neighbour.h>
21#endif /* CONFIG_LIBNL3_ROUTE */
8602b0f2 22#include <linux/rtnetlink.h>
1b648c7e 23#include <netpacket/packet.h>
32ab4855 24#include <linux/errqueue.h>
625f587b 25
3f5285e8 26#include "common.h"
1b648c7e 27#include "eloop.h"
1682c623 28#include "common/qca-vendor.h"
a26582cb 29#include "common/qca-vendor-attr.h"
1b648c7e 30#include "common/ieee802_11_defs.h"
9b90955e 31#include "common/ieee802_11_common.h"
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 89
1c6edec6
JM		 90#endif /* ANDROID */
91
92
481234cf 93static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 94{
481234cf 95 struct nl_handle *handle;
a92dfde8 96
481234cf
JM		 97 handle = nl80211_handle_alloc(cb);
98 if (handle == NULL) {
a92dfde8
JB		 99 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
100 "callbacks (%s)", dbg);
481234cf 101 return NULL;
a92dfde8
JB		 102 }
103
481234cf 104 if (genl_connect(handle)) {
a92dfde8
JB		 105 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
106 "netlink (%s)", dbg);
481234cf
JM		 107 nl80211_handle_destroy(handle);
108 return NULL;
a92dfde8
JB		 109 }
110
481234cf 111 return handle;
a92dfde8
JB		 112}
113
114
481234cf 115static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 116{
481234cf 117 if (*handle == NULL)
a92dfde8 118 return;
481234cf
JM		 119 nl80211_handle_destroy(*handle);
120 *handle = NULL;
a92dfde8
JB		 121}
122
123
10b85921
JB		 124#if __WORDSIZE == 64
125#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
126#else
127#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
128#endif
129
5f65e9f7
JB		 130static void nl80211_register_eloop_read(struct nl_handle **handle,
131 eloop_sock_handler handler,
132 void *eloop_data)
133{
fa38860c 134#ifdef CONFIG_LIBNL20
630b3230
JM		 135 /*
136 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
137 * by default. It is possible to hit that limit in some cases where
138 * operations are blocked, e.g., with a burst of Deauthentication frames
139 * to hostapd and STA entry deletion. Try to increase the buffer to make
140 * this less likely to occur.
141 */
142 if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
143 wpa_printf(MSG_DEBUG,
144 "nl80211: Could not set nl_socket RX buffer size: %s",
145 strerror(errno));
146 /* continue anyway with the default (smaller) buffer */
147 }
fa38860c 148#endif /* CONFIG_LIBNL20 */
630b3230 149
10b85921 150 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 151 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
152 eloop_data, *handle);
10b85921 153 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 154}
155
156
157static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
158{
10b85921 159 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 160 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
161 nl_destroy_handles(handle);
162}
163
164
36d84860 165static void nl80211_global_deinit(void *priv);
f51f54a0 166static void nl80211_check_global(struct nl80211_global *global);
36d84860 167
9ebce9c5 168static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
4ec68377
JD		 169static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
170 struct hostapd_freq_params *freq);
3c5d34e3 171
362f781e 172static int
0d547d5f 173wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 174 const u8 *set_addr, int first,
175 const char *driver_params);
88df0ef7 176static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 177 unsigned int freq, unsigned int wait,
b106173a 178 const u8 *buf, size_t buf_len, u64 *cookie,
2d3943ce
AO		 179 int no_cck, int no_ack, int offchanok,
180 const u16 *csa_offs, size_t csa_offs_len);
9ebce9c5
JM		 181static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
182 int report);
0915d02c 183
2135f224
JM		 184static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
185static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
97cfcf64 186static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
072ad14c 187
e87ef751
PX		 188static int nl80211_set_channel(struct i802_bss *bss,
189 struct hostapd_freq_params *freq, int set_chan);
4e5cb1a3
JM		 190static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
191 int ifindex, int disabled);
504e905c 192
666e508c
JM		 193static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
194 int reset_mode);
21bdbe38 195
bf83eab5 196static int i802_set_iface_flags(struct i802_bss *bss, int up);
0ecff8d7 197static int nl80211_set_param(void *priv, const char *param);
bf83eab5 198
3f5285e8 199
8d1fdde7 200/* Converts nl80211_chan_width to a common format */
f3407c66 201enum chan_width convert2width(int width)
8d1fdde7
JD		 202{
203 switch (width) {
204 case NL80211_CHAN_WIDTH_20_NOHT:
205 return CHAN_WIDTH_20_NOHT;
206 case NL80211_CHAN_WIDTH_20:
207 return CHAN_WIDTH_20;
208 case NL80211_CHAN_WIDTH_40:
209 return CHAN_WIDTH_40;
210 case NL80211_CHAN_WIDTH_80:
211 return CHAN_WIDTH_80;
212 case NL80211_CHAN_WIDTH_80P80:
213 return CHAN_WIDTH_80P80;
214 case NL80211_CHAN_WIDTH_160:
215 return CHAN_WIDTH_160;
216 }
217 return CHAN_WIDTH_UNKNOWN;
218}
219
220
f3407c66 221int is_ap_interface(enum nl80211_iftype nlmode)
b1f625e0 222{
0e80ea2c
JM		 223 return nlmode == NL80211_IFTYPE_AP ||
224 nlmode == NL80211_IFTYPE_P2P_GO;
b1f625e0
EP		 225}
226
227
477af8f8 228int is_sta_interface(enum nl80211_iftype nlmode)
b1f625e0 229{
0e80ea2c
JM		 230 return nlmode == NL80211_IFTYPE_STATION ||
231 nlmode == NL80211_IFTYPE_P2P_CLIENT;
b1f625e0
EP		 232}
233
234
6a71413e 235static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2 236{
0e80ea2c
JM		 237 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
238 nlmode == NL80211_IFTYPE_P2P_GO;
b3af99d2
JM		 239}
240
241
f3407c66
JM		 242struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
243 int ifindex)
5dfbd725
JM		 244{
245 struct i802_bss *bss;
246
247 for (bss = drv->first_bss; bss; bss = bss->next) {
248 if (bss->ifindex == ifindex)
249 return bss;
250 }
251
252 return NULL;
253}
254
255
afb0550a
BC		 256static int is_mesh_interface(enum nl80211_iftype nlmode)
257{
258 return nlmode == NL80211_IFTYPE_MESH_POINT;
259}
260
261
f3407c66 262void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
add9b7a4
JM		 263{
264 if (drv->associated)
265 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
266 drv->associated = 0;
267 os_memset(drv->bssid, 0, ETH_ALEN);
268}
269
270
6241fcb1
JM		 271/* nl80211 code */
272static int ack_handler(struct nl_msg *msg, void *arg)
273{
274 int *err = arg;
275 *err = 0;
276 return NL_STOP;
277}
278
279static int finish_handler(struct nl_msg *msg, void *arg)
280{
8e8df255
JM		 281 int *ret = arg;
282 *ret = 0;
6241fcb1
JM		 283 return NL_SKIP;
284}
285
286static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
287 void *arg)
288{
289 int *ret = arg;
290 *ret = err->error;
291 return NL_SKIP;
292}
293
5b7b85f6
JM		 294
295static int no_seq_check(struct nl_msg *msg, void *arg)
296{
297 return NL_OK;
298}
299
300
bbd89bfc
JM		 301static void nl80211_nlmsg_clear(struct nl_msg *msg)
302{
303 /*
304 * Clear nlmsg data, e.g., to make sure key material is not left in
305 * heap memory for unnecessarily long time.
306 */
307 if (msg) {
308 struct nlmsghdr *hdr = nlmsg_hdr(msg);
309 void *data = nlmsg_data(hdr);
d58ade21
JM		 310 /*
311 * This would use nlmsg_datalen() or the older nlmsg_len() if
312 * only libnl were to maintain a stable API.. Neither will work
313 * with all released versions, so just calculate the length
314 * here.
315 */
316 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
bbd89bfc
JM		 317
318 os_memset(data, 0, len);
319 }
320}
321
322
d6c9aab8 323static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 324 struct nl_handle *nl_handle, struct nl_msg *msg,
325 int (*valid_handler)(struct nl_msg *, void *),
326 void *valid_data)
6241fcb1
JM		 327{
328 struct nl_cb *cb;
329 int err = -ENOMEM;
330
9725b784
JM		 331 if (!msg)
332 return -ENOMEM;
333
d6c9aab8 334 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 335 if (!cb)
336 goto out;
337
58f6fbe0 338 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 339 if (err < 0)
340 goto out;
341
342 err = 1;
343
344 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 345 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 346 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
347
348 if (valid_handler)
349 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
350 valid_handler, valid_data);
351
34068ac3
JM		 352 while (err > 0) {
353 int res = nl_recvmsgs(nl_handle, cb);
d3d04831 354 if (res < 0) {
34068ac3
JM		 355 wpa_printf(MSG_INFO,
356 "nl80211: %s->nl_recvmsgs failed: %d",
357 __func__, res);
358 }
359 }
6241fcb1
JM		 360 out:
361 nl_cb_put(cb);
bbd89bfc
JM		 362 if (!valid_handler && valid_data == (void *) -1)
363 nl80211_nlmsg_clear(msg);
6241fcb1
JM		 364 nlmsg_free(msg);
365 return err;
366}
367
368
f3407c66
JM		 369int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
370 struct nl_msg *msg,
371 int (*valid_handler)(struct nl_msg *, void *),
372 void *valid_data)
58f6fbe0 373{
481234cf 374 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 375 valid_handler, valid_data);
58f6fbe0
JM		 376}
377
378
97865538
JM		 379struct family_data {
380 const char *group;
381 int id;
382};
383
384
385static int family_handler(struct nl_msg *msg, void *arg)
386{
387 struct family_data *res = arg;
388 struct nlattr *tb[CTRL_ATTR_MAX + 1];
389 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
390 struct nlattr *mcgrp;
391 int i;
392
393 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
394 genlmsg_attrlen(gnlh, 0), NULL);
395 if (!tb[CTRL_ATTR_MCAST_GROUPS])
396 return NL_SKIP;
397
398 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
399 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
400 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
401 nla_len(mcgrp), NULL);
402 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
403 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
404 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
405 res->group,
406 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
407 continue;
408 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
409 break;
410 };
411
412 return NL_SKIP;
413}
414
415
d6c9aab8 416static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 417 const char *family, const char *group)
418{
419 struct nl_msg *msg;
a862e4a3 420 int ret;
97865538
JM		 421 struct family_data res = { group, -ENOENT };
422
423 msg = nlmsg_alloc();
424 if (!msg)
425 return -ENOMEM;
a862e4a3
JM		 426 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
427 0, 0, CTRL_CMD_GETFAMILY, 0) ||
428 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
429 nlmsg_free(msg);
430 return -1;
431 }
97865538 432
1033315f 433 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
97865538
JM		 434 if (ret == 0)
435 ret = res.id;
97865538
JM		 436 return ret;
437}
438
439
f3407c66
JM		 440void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
441 struct nl_msg *msg, int flags, uint8_t cmd)
9fb04070 442{
335d42b1 443 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 444 0, flags, cmd, 0);
9fb04070
JM		 445}
446
447
350acc35
JM		 448static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
449{
450 if (bss->wdev_id_set)
451 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
452 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
453}
454
455
07c7757c
JM		 456struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
457{
458 struct nl_msg *msg;
459
460 msg = nlmsg_alloc();
461 if (!msg)
462 return NULL;
463
464 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
465 nl80211_set_iface_id(msg, bss) < 0) {
466 nlmsg_free(msg);
467 return NULL;
468 }
469
470 return msg;
471}
472
473
474static struct nl_msg *
475nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
476 int flags, uint8_t cmd)
477{
478 struct nl_msg *msg;
479
480 msg = nlmsg_alloc();
481 if (!msg)
482 return NULL;
483
484 if (!nl80211_cmd(drv, msg, flags, cmd) ||
485 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
486 nlmsg_free(msg);
487 return NULL;
488 }
489
490 return msg;
491}
492
493
494struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
495 uint8_t cmd)
496{
497 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
498}
499
500
501struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
502{
503 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
504}
505
506
e32ad281
JB		 507struct wiphy_idx_data {
508 int wiphy_idx;
01517c8b 509 enum nl80211_iftype nlmode;
597b94f5 510 u8 *macaddr;
e32ad281
JB		 511};
512
513
514static int netdev_info_handler(struct nl_msg *msg, void *arg)
515{
516 struct nlattr *tb[NL80211_ATTR_MAX + 1];
517 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
518 struct wiphy_idx_data *info = arg;
519
520 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
521 genlmsg_attrlen(gnlh, 0), NULL);
522
523 if (tb[NL80211_ATTR_WIPHY])
524 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
525
01517c8b
JB		 526 if (tb[NL80211_ATTR_IFTYPE])
527 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
528
597b94f5
AS		 529 if (tb[NL80211_ATTR_MAC] && info->macaddr)
530 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
531 ETH_ALEN);
532
e32ad281
JB		 533 return NL_SKIP;
534}
535
536
f3407c66 537int nl80211_get_wiphy_index(struct i802_bss *bss)
e32ad281
JB		 538{
539 struct nl_msg *msg;
540 struct wiphy_idx_data data = {
541 .wiphy_idx = -1,
597b94f5 542 .macaddr = NULL,
e32ad281
JB		 543 };
544
56f77852 545 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 546 return -1;
e32ad281
JB		 547
548 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
549 return data.wiphy_idx;
e32ad281
JB		 550 return -1;
551}
552
553
01517c8b
JB		 554static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
555{
556 struct nl_msg *msg;
557 struct wiphy_idx_data data = {
597b94f5
AS		 558 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
559 .macaddr = NULL,
01517c8b
JB		 560 };
561
56f77852 562 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 563 return NL80211_IFTYPE_UNSPECIFIED;
01517c8b
JB		 564
565 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
566 return data.nlmode;
01517c8b
JB		 567 return NL80211_IFTYPE_UNSPECIFIED;
568}
01517c8b
JB		 569
570
597b94f5
AS		 571static int nl80211_get_macaddr(struct i802_bss *bss)
572{
573 struct nl_msg *msg;
574 struct wiphy_idx_data data = {
575 .macaddr = bss->addr,
576 };
577
56f77852 578 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 579 return -1;
597b94f5 580
597b94f5 581 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
597b94f5 582}
597b94f5
AS		 583
584
e32ad281
JB		 585static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
586 struct nl80211_wiphy_data *w)
587{
588 struct nl_msg *msg;
a862e4a3 589 int ret;
e32ad281
JB		 590
591 msg = nlmsg_alloc();
592 if (!msg)
593 return -1;
594
a862e4a3
JM		 595 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
596 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
597 nlmsg_free(msg);
598 return -1;
599 }
e32ad281 600
481234cf 601 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 602 if (ret) {
603 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
604 "failed: ret=%d (%s)",
605 ret, strerror(-ret));
e32ad281 606 }
e32ad281
JB		 607 return ret;
608}
609
610
611static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
612{
613 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 614 int res;
e32ad281 615
ee9fc67a 616 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 617
34068ac3 618 res = nl_recvmsgs(handle, w->nl_cb);
d3d04831 619 if (res < 0) {
34068ac3
JM		 620 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
621 __func__, res);
622 }
e32ad281
JB		 623}
624
625
626static int process_beacon_event(struct nl_msg *msg, void *arg)
627{
628 struct nl80211_wiphy_data *w = arg;
629 struct wpa_driver_nl80211_data *drv;
630 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
631 struct nlattr *tb[NL80211_ATTR_MAX + 1];
632 union wpa_event_data event;
633
634 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
635 genlmsg_attrlen(gnlh, 0), NULL);
636
637 if (gnlh->cmd != NL80211_CMD_FRAME) {
638 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
639 gnlh->cmd);
640 return NL_SKIP;
641 }
642
643 if (!tb[NL80211_ATTR_FRAME])
644 return NL_SKIP;
645
646 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
647 wiphy_list) {
648 os_memset(&event, 0, sizeof(event));
649 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
650 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
651 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
652 }
653
654 return NL_SKIP;
655}
656
657
658static struct nl80211_wiphy_data *
659nl80211_get_wiphy_data_ap(struct i802_bss *bss)
660{
661 static DEFINE_DL_LIST(nl80211_wiphys);
662 struct nl80211_wiphy_data *w;
663 int wiphy_idx, found = 0;
664 struct i802_bss *tmp_bss;
665
666 if (bss->wiphy_data != NULL)
667 return bss->wiphy_data;
668
669 wiphy_idx = nl80211_get_wiphy_index(bss);
670
671 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
672 if (w->wiphy_idx == wiphy_idx)
673 goto add;
674 }
675
676 /* alloc new one */
677 w = os_zalloc(sizeof(*w));
678 if (w == NULL)
679 return NULL;
680 w->wiphy_idx = wiphy_idx;
681 dl_list_init(&w->bsss);
682 dl_list_init(&w->drvs);
683
684 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
685 if (!w->nl_cb) {
686 os_free(w);
687 return NULL;
688 }
689 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
690 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
691 w);
692
481234cf
JM		 693 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
694 "wiphy beacons");
695 if (w->nl_beacons == NULL) {
e32ad281
JB		 696 os_free(w);
697 return NULL;
698 }
699
700 if (nl80211_register_beacons(bss->drv, w)) {
701 nl_destroy_handles(&w->nl_beacons);
702 os_free(w);
703 return NULL;
704 }
705
5f65e9f7 706 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
e32ad281
JB		 707
708 dl_list_add(&nl80211_wiphys, &w->list);
709
710add:
711 /* drv entry for this bss already there? */
712 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
713 if (tmp_bss->drv == bss->drv) {
714 found = 1;
715 break;
716 }
717 }
718 /* if not add it */
719 if (!found)
720 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
721
722 dl_list_add(&w->bsss, &bss->wiphy_list);
723 bss->wiphy_data = w;
724 return w;
725}
726
727
728static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
729{
730 struct nl80211_wiphy_data *w = bss->wiphy_data;
731 struct i802_bss *tmp_bss;
732 int found = 0;
733
734 if (w == NULL)
735 return;
736 bss->wiphy_data = NULL;
737 dl_list_del(&bss->wiphy_list);
738
739 /* still any for this drv present? */
740 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
741 if (tmp_bss->drv == bss->drv) {
742 found = 1;
743 break;
744 }
745 }
746 /* if not remove it */
747 if (!found)
748 dl_list_del(&bss->drv->wiphy_list);
749
750 if (!dl_list_empty(&w->bsss))
751 return;
752
5f65e9f7 753 nl80211_destroy_eloop_handle(&w->nl_beacons);
e32ad281
JB		 754
755 nl_cb_put(w->nl_cb);
e32ad281
JB		 756 dl_list_del(&w->list);
757 os_free(w);
758}
759
760
3f5285e8
JM		 761static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
762{
a2e40bb6
FF		 763 struct i802_bss *bss = priv;
764 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 765 if (!drv->associated)
766 return -1;
767 os_memcpy(bssid, drv->bssid, ETH_ALEN);
768 return 0;
3f5285e8
JM		 769}
770
771
3f5285e8
JM		 772static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
773{
a2e40bb6
FF		 774 struct i802_bss *bss = priv;
775 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 776 if (!drv->associated)
777 return -1;
778 os_memcpy(ssid, drv->ssid, drv->ssid_len);
779 return drv->ssid_len;
3f5285e8
JM		 780}
781
782
90a545cc 783static void wpa_driver_nl80211_event_newlink(
40e76396 784 struct wpa_driver_nl80211_data *drv, const char *ifname)
3f5285e8
JM		 785{
786 union wpa_event_data event;
787
90a545cc
JM		 788 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
789 if (if_nametoindex(drv->first_bss->ifname) == 0) {
790 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
791 drv->first_bss->ifname);
792 return;
793 }
794 if (!drv->if_removed)
795 return;
796 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
797 drv->first_bss->ifname);
798 drv->if_removed = 0;
799 }
800
3f5285e8 801 os_memset(&event, 0, sizeof(event));
90a545cc
JM		 802 os_strlcpy(event.interface_status.ifname, ifname,
803 sizeof(event.interface_status.ifname));
804 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
805 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
806}
807
808
809static void wpa_driver_nl80211_event_dellink(
40e76396 810 struct wpa_driver_nl80211_data *drv, const char *ifname)
90a545cc
JM		 811{
812 union wpa_event_data event;
813
814 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
815 if (drv->if_removed) {
816 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
817 ifname);
818 return;
d1f4942b 819 }
90a545cc
JM		 820 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
821 ifname);
822 drv->if_removed = 1;
823 } else {
824 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
825 ifname);
7524cfb1
JM		 826 }
827
90a545cc
JM		 828 os_memset(&event, 0, sizeof(event));
829 os_strlcpy(event.interface_status.ifname, ifname,
830 sizeof(event.interface_status.ifname));
831 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
08063178 832 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
3f5285e8
JM		 833}
834
835
7524cfb1 836static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 837 u8 *buf, size_t len)
7524cfb1 838{
62d680c3 839 int attrlen, rta_len;
7524cfb1
JM		 840 struct rtattr *attr;
841
62d680c3
JM		 842 attrlen = len;
843 attr = (struct rtattr *) buf;
7524cfb1
JM		 844
845 rta_len = RTA_ALIGN(sizeof(struct rtattr));
846 while (RTA_OK(attr, attrlen)) {
847 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 848 if (os_strcmp(((char *) attr) + rta_len,
849 drv->first_bss->ifname) == 0)
7524cfb1
JM		 850 return 1;
851 else
852 break;
853 }
854 attr = RTA_NEXT(attr, attrlen);
855 }
856
857 return 0;
858}
859
860
861static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 862 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 863{
864 if (drv->ifindex == ifindex)
865 return 1;
866
62d680c3 867 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
f51f54a0 868 nl80211_check_global(drv->global);
7524cfb1
JM		 869 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
870 "interface");
0ecff8d7 871 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
7524cfb1
JM		 872 return 1;
873 }
874
875 return 0;
876}
877
878
36d84860
BG		 879static struct wpa_driver_nl80211_data *
880nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
881{
882 struct wpa_driver_nl80211_data *drv;
883 dl_list_for_each(drv, &global->interfaces,
884 struct wpa_driver_nl80211_data, list) {
885 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
886 have_ifidx(drv, idx))
887 return drv;
888 }
889 return NULL;
890}
891
892
62d680c3
JM		 893static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
894 struct ifinfomsg *ifi,
895 u8 *buf, size_t len)
3f5285e8 896{
36d84860
BG		 897 struct nl80211_global *global = ctx;
898 struct wpa_driver_nl80211_data *drv;
90a545cc 899 int attrlen;
62d680c3 900 struct rtattr *attr;
97cfcf64 901 u32 brid = 0;
aef85ba2 902 char namebuf[IFNAMSIZ];
90a545cc
JM		 903 char ifname[IFNAMSIZ + 1];
904 char extra[100], *pos, *end;
3f5285e8 905
36d84860
BG		 906 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
907 if (!drv) {
90a545cc
JM		 908 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d",
909 ifi->ifi_index);
3f5285e8
JM		 910 return;
911 }
912
90a545cc
JM		 913 extra[0] = '\0';
914 pos = extra;
915 end = pos + sizeof(extra);
916 ifname[0] = '\0';
917
918 attrlen = len;
919 attr = (struct rtattr *) buf;
920 while (RTA_OK(attr, attrlen)) {
921 switch (attr->rta_type) {
922 case IFLA_IFNAME:
923 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
924 break;
925 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
926 ifname[RTA_PAYLOAD(attr)] = '\0';
927 break;
928 case IFLA_MASTER:
929 brid = nla_get_u32((struct nlattr *) attr);
930 pos += os_snprintf(pos, end - pos, " master=%u", brid);
931 break;
932 case IFLA_WIRELESS:
933 pos += os_snprintf(pos, end - pos, " wext");
934 break;
935 case IFLA_OPERSTATE:
936 pos += os_snprintf(pos, end - pos, " operstate=%u",
937 nla_get_u32((struct nlattr *) attr));
938 break;
939 case IFLA_LINKMODE:
940 pos += os_snprintf(pos, end - pos, " linkmode=%u",
941 nla_get_u32((struct nlattr *) attr));
942 break;
943 }
944 attr = RTA_NEXT(attr, attrlen);
945 }
946 extra[sizeof(extra) - 1] = '\0';
947
f2e90835
JM		 948 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
949 ifi->ifi_index, ifname, extra, ifi->ifi_family,
950 ifi->ifi_flags,
3f5285e8
JM		 951 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
952 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
953 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
954 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4
JM		 955
956 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
106fa1e9 957 namebuf[0] = '\0';
59d24925 958 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 959 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
59d24925
JM		 960 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
961 "event since interface %s is up", namebuf);
7a94120e 962 drv->ignore_if_down_event = 0;
59d24925
JM		 963 return;
964 }
106fa1e9
JM		 965 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
966 namebuf, ifname);
967 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
968 wpa_printf(MSG_DEBUG,
969 "nl80211: Not the main interface (%s) - do not indicate interface down",
970 drv->first_bss->ifname);
971 } else if (drv->ignore_if_down_event) {
7d9c3698
JM		 972 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
973 "event generated by mode change");
974 drv->ignore_if_down_event = 0;
975 } else {
976 drv->if_disabled = 1;
977 wpa_supplicant_event(drv->ctx,
978 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO		 979
980 /*
981 * Try to get drv again, since it may be removed as
982 * part of the EVENT_INTERFACE_DISABLED handling for
983 * dynamic interfaces
984 */
985 drv = nl80211_find_drv(global, ifi->ifi_index,
986 buf, len);
987 if (!drv)
988 return;
7d9c3698 989 }
a63063b4
JM		 990 }
991
992 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2 993 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 994 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
aef85ba2
JM		 995 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
996 "event since interface %s is down",
997 namebuf);
834ee56f 998 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 999 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1000 "event since interface %s does not exist",
834ee56f 1001 drv->first_bss->ifname);
d1f4942b
JM		 1002 } else if (drv->if_removed) {
1003 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1004 "event since interface %s is marked "
834ee56f 1005 "removed", drv->first_bss->ifname);
aef85ba2 1006 } else {
3e0272ca
DW		 1007 struct i802_bss *bss;
1008 u8 addr[ETH_ALEN];
1009
1010 /* Re-read MAC address as it may have changed */
1011 bss = get_bss_ifindex(drv, ifi->ifi_index);
1012 if (bss &&
1013 linux_get_ifhwaddr(drv->global->ioctl_sock,
1014 bss->ifname, addr) < 0) {
1015 wpa_printf(MSG_DEBUG,
1016 "nl80211: %s: failed to re-read MAC address",
1017 bss->ifname);
1018 } else if (bss &&
1019 os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1020 wpa_printf(MSG_DEBUG,
1021 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1022 MACSTR " to " MACSTR,
1023 ifi->ifi_index, bss->ifname,
1024 MAC2STR(bss->addr),
1025 MAC2STR(addr));
1026 os_memcpy(bss->addr, addr, ETH_ALEN);
1027 }
1028
aef85ba2
JM		 1029 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1030 drv->if_disabled = 0;
1031 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1032 NULL);
1033 }
a63063b4
JM		 1034 }
1035
3f5285e8
JM		 1036 /*
1037 * Some drivers send the association event before the operup event--in
1038 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1039 * fails. This will hit us when wpa_supplicant does not need to do
1040 * IEEE 802.1X authentication
1041 */
1042 if (drv->operstate == 1 &&
1043 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM		 1044 !(ifi->ifi_flags & IFF_RUNNING)) {
1045 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1046 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1047 -1, IF_OPER_UP);
3f5285e8 1048 }
97cfcf64 1049
90a545cc
JM		 1050 if (ifname[0])
1051 wpa_driver_nl80211_event_newlink(drv, ifname);
1052
97cfcf64 1053 if (ifi->ifi_family == AF_BRIDGE && brid) {
392dfd37
JM		 1054 struct i802_bss *bss;
1055
97cfcf64 1056 /* device has been added to bridge */
40e76396
JM		 1057 if (!if_indextoname(brid, namebuf)) {
1058 wpa_printf(MSG_DEBUG,
1059 "nl80211: Could not find bridge ifname for ifindex %u",
1060 brid);
1061 return;
1062 }
97cfcf64
B		 1063 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1064 brid, namebuf);
1065 add_ifidx(drv, brid);
392dfd37
JM		 1066
1067 for (bss = drv->first_bss; bss; bss = bss->next) {
1068 if (os_strcmp(ifname, bss->ifname) == 0) {
1069 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1070 break;
1071 }
1072 }
97cfcf64 1073 }
3f5285e8
JM		 1074}
1075
1076
62d680c3
JM		 1077static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1078 struct ifinfomsg *ifi,
1079 u8 *buf, size_t len)
3f5285e8 1080{
36d84860
BG		 1081 struct nl80211_global *global = ctx;
1082 struct wpa_driver_nl80211_data *drv;
90a545cc 1083 int attrlen;
62d680c3 1084 struct rtattr *attr;
97cfcf64 1085 u32 brid = 0;
90a545cc 1086 char ifname[IFNAMSIZ + 1];
f2e90835 1087 char extra[100], *pos, *end;
3f5285e8 1088
36d84860
BG		 1089 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1090 if (!drv) {
90a545cc
JM		 1091 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d",
1092 ifi->ifi_index);
36d84860
BG		 1093 return;
1094 }
1095
f2e90835
JM		 1096 extra[0] = '\0';
1097 pos = extra;
1098 end = pos + sizeof(extra);
90a545cc
JM		 1099 ifname[0] = '\0';
1100
62d680c3
JM		 1101 attrlen = len;
1102 attr = (struct rtattr *) buf;
3f5285e8 1103 while (RTA_OK(attr, attrlen)) {
90a545cc
JM		 1104 switch (attr->rta_type) {
1105 case IFLA_IFNAME:
1106 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1107 break;
1108 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1109 ifname[RTA_PAYLOAD(attr)] = '\0';
1110 break;
1111 case IFLA_MASTER:
97cfcf64 1112 brid = nla_get_u32((struct nlattr *) attr);
f2e90835
JM		 1113 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1114 break;
1115 case IFLA_OPERSTATE:
1116 pos += os_snprintf(pos, end - pos, " operstate=%u",
1117 nla_get_u32((struct nlattr *) attr));
1118 break;
1119 case IFLA_LINKMODE:
1120 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1121 nla_get_u32((struct nlattr *) attr));
90a545cc
JM		 1122 break;
1123 }
3f5285e8
JM		 1124 attr = RTA_NEXT(attr, attrlen);
1125 }
f2e90835
JM		 1126 extra[sizeof(extra) - 1] = '\0';
1127
1128 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1129 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1130 ifi->ifi_flags,
1131 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1132 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1133 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1134 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
97cfcf64 1135
728ff2f4 1136 if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid))
90a545cc
JM		 1137 wpa_driver_nl80211_event_dellink(drv, ifname);
1138
97cfcf64
B		 1139 if (ifi->ifi_family == AF_BRIDGE && brid) {
1140 /* device has been removed from bridge */
1141 char namebuf[IFNAMSIZ];
40e76396
JM		 1142
1143 if (!if_indextoname(brid, namebuf)) {
1144 wpa_printf(MSG_DEBUG,
1145 "nl80211: Could not find bridge ifname for ifindex %u",
1146 brid);
1147 } else {
1148 wpa_printf(MSG_DEBUG,
1149 "nl80211: Remove ifindex %u for bridge %s",
1150 brid, namebuf);
1151 }
97cfcf64
B		 1152 del_ifidx(drv, brid);
1153 }
3f5285e8
JM		 1154}
1155
1156
f3407c66 1157unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
f5a8d422
JM		 1158{
1159 struct nl_msg *msg;
1160 int ret;
1161 struct nl80211_bss_info_arg arg;
1162
9725b784 1163 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422 1164 os_memset(&arg, 0, sizeof(arg));
f5a8d422
JM		 1165 arg.drv = drv;
1166 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
f5a8d422 1167 if (ret == 0) {
c7caac56
JM		 1168 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1169 arg.ibss_freq : arg.assoc_freq;
f5a8d422 1170 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
c7caac56
JM		 1171 "associated BSS from scan results: %u MHz", freq);
1172 if (freq)
1173 drv->assoc_freq = freq;
30158a0d 1174 return drv->assoc_freq;
f5a8d422
JM		 1175 }
1176 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1177 "(%s)", ret, strerror(-ret));
f5a8d422
JM		 1178 return drv->assoc_freq;
1179}
1180
1181
60a972a6
JM		 1182static int get_link_signal(struct nl_msg *msg, void *arg)
1183{
1184 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1185 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1186 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1187 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1188 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1189 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
74fa78b2 1190 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1191 };
7ee35bf3
PS		 1192 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1193 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1194 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1195 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1196 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1197 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1198 };
1c5c7273 1199 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1200
1201 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1202 genlmsg_attrlen(gnlh, 0), NULL);
1203 if (!tb[NL80211_ATTR_STA_INFO] ||
1204 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1205 tb[NL80211_ATTR_STA_INFO], policy))
1206 return NL_SKIP;
1207 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1208 return NL_SKIP;
1209
7ee35bf3
PS		 1210 sig_change->current_signal =
1211 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1212
95783298
AO		 1213 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1214 sig_change->avg_signal =
1215 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1216 else
1217 sig_change->avg_signal = 0;
1218
74fa78b2
JM		 1219 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1220 sig_change->avg_beacon_signal =
1221 (s8)
1222 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1223 else
1224 sig_change->avg_beacon_signal = 0;
1225
7ee35bf3
PS		 1226 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1227 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1228 sinfo[NL80211_STA_INFO_TX_BITRATE],
1229 rate_policy)) {
1230 sig_change->current_txrate = 0;
1231 } else {
1232 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1233 sig_change->current_txrate =
1234 nla_get_u16(rinfo[
1235 NL80211_RATE_INFO_BITRATE]) * 100;
1236 }
1237 }
1238 }
1239
60a972a6
JM		 1240 return NL_SKIP;
1241}
1242
1243
f3407c66
JM		 1244int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1245 struct wpa_signal_info *sig)
60a972a6
JM		 1246{
1247 struct nl_msg *msg;
1248
7ee35bf3
PS		 1249 sig->current_signal = -9999;
1250 sig->current_txrate = 0;
60a972a6 1251
9725b784 1252 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
a862e4a3
JM		 1253 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1254 nlmsg_free(msg);
1255 return -ENOBUFS;
1256 }
60a972a6
JM		 1257
1258 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
60a972a6
JM		 1259}
1260
1261
7ee35bf3
PS		 1262static int get_link_noise(struct nl_msg *msg, void *arg)
1263{
1264 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1265 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1266 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1267 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1268 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1269 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1270 };
1c5c7273 1271 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 1272
1273 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1274 genlmsg_attrlen(gnlh, 0), NULL);
1275
1276 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1277 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1278 return NL_SKIP;
1279 }
1280
1281 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1282 tb[NL80211_ATTR_SURVEY_INFO],
1283 survey_policy)) {
1284 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1285 "attributes!");
1286 return NL_SKIP;
1287 }
1288
1289 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1290 return NL_SKIP;
1291
1292 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1293 sig_change->frequency)
1294 return NL_SKIP;
1295
1296 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1297 return NL_SKIP;
1298
1299 sig_change->current_noise =
1300 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1301
1302 return NL_SKIP;
1303}
1304
1305
f3407c66
JM		 1306int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1307 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 1308{
1309 struct nl_msg *msg;
1310
1311 sig_change->current_noise = 9999;
1312 sig_change->frequency = drv->assoc_freq;
1313
9725b784 1314 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3 1315 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
7ee35bf3
PS		 1316}
1317
1318
97865538 1319static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 1320 void *handle)
97865538 1321{
a4ae123c 1322 struct nl_cb *cb = eloop_ctx;
34068ac3 1323 int res;
97865538 1324
cc2ada86 1325 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 1326
34068ac3 1327 res = nl_recvmsgs(handle, cb);
d3d04831 1328 if (res < 0) {
34068ac3
JM		 1329 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1330 __func__, res);
1331 }
97865538
JM		 1332}
1333
1334
6d158490
LR		 1335/**
1336 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1337 * @priv: driver_nl80211 private data
1338 * @alpha2_arg: country to which to switch to
1339 * Returns: 0 on success, -1 on failure
1340 *
1341 * This asks nl80211 to set the regulatory domain for given
1342 * country ISO / IEC alpha2.
1343 */
1344static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1345{
a2e40bb6
FF		 1346 struct i802_bss *bss = priv;
1347 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 1348 char alpha2[3];
1349 struct nl_msg *msg;
1350
1351 msg = nlmsg_alloc();
1352 if (!msg)
e785c2ba 1353 return -ENOMEM;
6d158490
LR		 1354
1355 alpha2[0] = alpha2_arg[0];
1356 alpha2[1] = alpha2_arg[1];
1357 alpha2[2] = '\0';
1358
a862e4a3
JM		 1359 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1360 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1361 nlmsg_free(msg);
1362 return -EINVAL;
1363 }
6d158490
LR		 1364 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1365 return -EINVAL;
1366 return 0;
6d158490
LR		 1367}
1368
1369
f0793bf1
JM		 1370static int nl80211_get_country(struct nl_msg *msg, void *arg)
1371{
1372 char *alpha2 = arg;
1373 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1374 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1375
1376 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1377 genlmsg_attrlen(gnlh, 0), NULL);
1378 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1379 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1380 return NL_SKIP;
1381 }
1382 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1383 return NL_SKIP;
1384}
1385
1386
1387static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1388{
1389 struct i802_bss *bss = priv;
1390 struct wpa_driver_nl80211_data *drv = bss->drv;
1391 struct nl_msg *msg;
1392 int ret;
1393
1394 msg = nlmsg_alloc();
1395 if (!msg)
1396 return -ENOMEM;
1397
1398 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1399 alpha2[0] = '\0';
1400 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1401 if (!alpha2[0])
1402 ret = -1;
1403
1404 return ret;
1405}
1406
1407
2a7b66f5
BG		 1408static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1409{
d6c9aab8
JB		 1410 int ret;
1411
2a7b66f5
BG		 1412 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1413 if (global->nl_cb == NULL) {
1414 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1415 "callbacks");
1416 return -1;
1417 }
1418
481234cf
JM		 1419 global->nl = nl_create_handle(global->nl_cb, "nl");
1420 if (global->nl == NULL)
d6c9aab8 1421 goto err;
276e2d67 1422
481234cf 1423 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 1424 if (global->nl80211_id < 0) {
276e2d67
BG		 1425 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1426 "found");
d6c9aab8 1427 goto err;
276e2d67
BG		 1428 }
1429
481234cf
JM		 1430 global->nl_event = nl_create_handle(global->nl_cb, "event");
1431 if (global->nl_event == NULL)
d6c9aab8 1432 goto err;
9fff9fdc 1433
d6c9aab8 1434 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 1435 if (ret >= 0)
481234cf 1436 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 1437 if (ret < 0) {
1438 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1439 "membership for scan events: %d (%s)",
1440 ret, strerror(-ret));
d6c9aab8 1441 goto err;
97865538 1442 }
c2a04078 1443
d6c9aab8 1444 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 1445 if (ret >= 0)
481234cf 1446 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 1447 if (ret < 0) {
1448 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1449 "membership for mlme events: %d (%s)",
1450 ret, strerror(-ret));
d6c9aab8 1451 goto err;
c2a04078 1452 }
c2a04078 1453
d6c9aab8 1454 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 1455 if (ret >= 0)
481234cf 1456 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 1457 if (ret < 0) {
1458 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1459 "membership for regulatory events: %d (%s)",
1460 ret, strerror(-ret));
1461 /* Continue without regulatory events */
1462 }
1463
17b79e65
JM		 1464 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1465 if (ret >= 0)
1466 ret = nl_socket_add_membership(global->nl_event, ret);
1467 if (ret < 0) {
1468 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1469 "membership for vendor events: %d (%s)",
1470 ret, strerror(-ret));
1471 /* Continue without vendor events */
1472 }
1473
d6c9aab8
JB		 1474 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1475 no_seq_check, NULL);
1476 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1477 process_global_event, global);
1478
5f65e9f7
JB		 1479 nl80211_register_eloop_read(&global->nl_event,
1480 wpa_driver_nl80211_event_receive,
1481 global->nl_cb);
d6c9aab8
JB		 1482
1483 return 0;
1484
1485err:
1486 nl_destroy_handles(&global->nl_event);
1487 nl_destroy_handles(&global->nl);
1488 nl_cb_put(global->nl_cb);
671a5039 1489 global->nl_cb = NULL;
d6c9aab8
JB		 1490 return -1;
1491}
1492
1493
f51f54a0
JM		 1494static void nl80211_check_global(struct nl80211_global *global)
1495{
1496 struct nl_handle *handle;
1497 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1498 int ret;
1499 unsigned int i;
1500
1501 /*
1502 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1503 * and all registration having been cleared.
1504 */
1505 handle = (void *) (((intptr_t) global->nl_event) ^
1506 ELOOP_SOCKET_INVALID);
1507
1508 for (i = 0; groups[i]; i++) {
1509 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1510 if (ret >= 0)
1511 ret = nl_socket_add_membership(handle, ret);
1512 if (ret < 0) {
1513 wpa_printf(MSG_INFO,
1514 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1515 groups[i], ret, strerror(-ret));
1516 }
1517 }
1518}
1519
1520
8401a6b0
JM		 1521static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1522{
8401a6b0 1523 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
a63063b4
JM		 1524 /*
1525 * This may be for any interface; use ifdown event to disable
1526 * interface.
1527 */
8401a6b0
JM		 1528}
1529
1530
1531static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1532{
1533 struct wpa_driver_nl80211_data *drv = ctx;
1534 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 1535 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 1536 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1537 "after rfkill unblock");
1538 return;
1539 }
e8dc205f
AO		 1540
1541 if (is_p2p_net_interface(drv->nlmode))
1542 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1543
a63063b4 1544 /* rtnetlink ifup handler will report interface as enabled */
8401a6b0
JM		 1545}
1546
1547
32ab4855
JB		 1548static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1549 void *eloop_ctx,
1550 void *handle)
1551{
1552 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1553 u8 data[2048];
1554 struct msghdr msg;
1555 struct iovec entry;
cad0f50e 1556 u8 control[512];
32ab4855
JB		 1557 struct cmsghdr *cmsg;
1558 int res, found_ee = 0, found_wifi = 0, acked = 0;
1559 union wpa_event_data event;
1560
1561 memset(&msg, 0, sizeof(msg));
1562 msg.msg_iov = &entry;
1563 msg.msg_iovlen = 1;
1564 entry.iov_base = data;
1565 entry.iov_len = sizeof(data);
1566 msg.msg_control = &control;
1567 msg.msg_controllen = sizeof(control);
1568
1569 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1570 /* if error or not fitting 802.3 header, return */
1571 if (res < 14)
1572 return;
1573
1574 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1575 {
1576 if (cmsg->cmsg_level == SOL_SOCKET &&
1577 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1578 int *ack;
1579
1580 found_wifi = 1;
1581 ack = (void *)CMSG_DATA(cmsg);
1582 acked = *ack;
1583 }
1584
1585 if (cmsg->cmsg_level == SOL_PACKET &&
1586 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1587 struct sock_extended_err *err =
1588 (struct sock_extended_err *)CMSG_DATA(cmsg);
1589
1590 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1591 found_ee = 1;
1592 }
1593 }
1594
1595 if (!found_ee || !found_wifi)
1596 return;
1597
1598 memset(&event, 0, sizeof(event));
1599 event.eapol_tx_status.dst = data;
1600 event.eapol_tx_status.data = data + 14;
1601 event.eapol_tx_status.data_len = res - 14;
1602 event.eapol_tx_status.ack = acked;
1603 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1604}
1605
1606
cc7a48d1
JB		 1607static int nl80211_init_bss(struct i802_bss *bss)
1608{
1609 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1610 if (!bss->nl_cb)
1611 return -1;
1612
1613 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1614 no_seq_check, NULL);
1615 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1616 process_bss_event, bss);
1617
1618 return 0;
1619}
1620
1621
1622static void nl80211_destroy_bss(struct i802_bss *bss)
1623{
1624 nl_cb_put(bss->nl_cb);
1625 bss->nl_cb = NULL;
1626}
1627
1628
0d547d5f
JM		 1629static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1630 void *global_priv, int hostapd,
0ecff8d7
JM		 1631 const u8 *set_addr,
1632 const char *driver_params)
9fff9fdc 1633{
9fff9fdc 1634 struct wpa_driver_nl80211_data *drv;
8401a6b0 1635 struct rfkill_config *rcfg;
a2e40bb6 1636 struct i802_bss *bss;
9fff9fdc 1637
a5c696ad
JM		 1638 if (global_priv == NULL)
1639 return NULL;
9fff9fdc
JM		 1640 drv = os_zalloc(sizeof(*drv));
1641 if (drv == NULL)
1642 return NULL;
f2ed8023 1643 drv->global = global_priv;
9fff9fdc 1644 drv->ctx = ctx;
0d547d5f
JM		 1645 drv->hostapd = !!hostapd;
1646 drv->eapol_sock = -1;
64ae2447
JM		 1647
1648 /*
1649 * There is no driver capability flag for this, so assume it is
1650 * supported and disable this on first attempt to use if the driver
1651 * rejects the command due to missing support.
1652 */
1653 drv->set_rekey_offload = 1;
1654
0d547d5f
JM		 1655 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1656 drv->if_indices = drv->default_if_indices;
834ee56f
KP		 1657
1658 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1659 if (!drv->first_bss) {
1660 os_free(drv);
1661 return NULL;
1662 }
1663 bss = drv->first_bss;
a2e40bb6 1664 bss->drv = drv;
a5e1eb20
SE		 1665 bss->ctx = ctx;
1666
a2e40bb6 1667 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 1668 drv->monitor_ifidx = -1;
1669 drv->monitor_sock = -1;
d12dab4c 1670 drv->eapol_tx_sock = -1;
b1f625e0 1671 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 1672
cc7a48d1
JB		 1673 if (nl80211_init_bss(bss))
1674 goto failed;
1675
8401a6b0
JM		 1676 rcfg = os_zalloc(sizeof(*rcfg));
1677 if (rcfg == NULL)
1678 goto failed;
1679 rcfg->ctx = drv;
1680 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
1681 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1682 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1683 drv->rfkill = rfkill_init(rcfg);
52169389 1684 if (drv->rfkill == NULL) {
8401a6b0 1685 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
52169389
JM		 1686 os_free(rcfg);
1687 }
8401a6b0 1688
146fa9b3
JM		 1689 if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0)
1690 drv->start_iface_up = 1;
1691
0ecff8d7 1692 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
bbaf0837 1693 goto failed;
7524cfb1 1694
d12dab4c 1695 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 1696 if (drv->eapol_tx_sock < 0)
1697 goto failed;
1698
1699 if (drv->data_tx_status) {
1700 int enabled = 1;
1701
1702 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1703 &enabled, sizeof(enabled)) < 0) {
1704 wpa_printf(MSG_DEBUG,
1705 "nl80211: wifi status sockopt failed\n");
1706 drv->data_tx_status = 0;
a11241fa
JB		 1707 if (!drv->use_monitor)
1708 drv->capa.flags &=
1709 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 1710 } else {
1711 eloop_register_read_sock(drv->eapol_tx_sock,
1712 wpa_driver_nl80211_handle_eapol_tx_status,
1713 drv, NULL);
1714 }
1715 }
f10bfc9a 1716
dac12351 1717 if (drv->global) {
f51f54a0 1718 nl80211_check_global(drv->global);
c4bb8817 1719 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 1720 drv->in_interface_list = 1;
1721 }
c4bb8817 1722
a2e40bb6 1723 return bss;
7524cfb1 1724
bbaf0837 1725failed:
dac12351 1726 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 1727 return NULL;
1728}
1729
1730
0d547d5f
JM		 1731/**
1732 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1733 * @ctx: context to be used when calling wpa_supplicant functions,
1734 * e.g., wpa_supplicant_event()
1735 * @ifname: interface name, e.g., wlan0
1736 * @global_priv: private driver global data from global_init()
1737 * Returns: Pointer to private data, %NULL on failure
1738 */
1739static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1740 void *global_priv)
1741{
0ecff8d7
JM		 1742 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1743 NULL);
0d547d5f
JM		 1744}
1745
1746
a11241fa 1747static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 1748 struct nl_handle *nl_handle,
bd94971e 1749 u16 type, const u8 *match, size_t match_len)
58f6fbe0 1750{
a11241fa 1751 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 1752 struct nl_msg *msg;
a862e4a3 1753 int ret;
880de885 1754 char buf[30];
58f6fbe0 1755
880de885
JM		 1756 buf[0] = '\0';
1757 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
dedfa440
PF		 1758 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1759 type, fc2str(type), nl_handle, buf);
36488c05 1760
56f77852 1761 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
a862e4a3
JM		 1762 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1763 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1764 nlmsg_free(msg);
1765 return -1;
1766 }
58f6fbe0 1767
d6c9aab8 1768 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0 1769 if (ret) {
5582a5d1
JB		 1770 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1771 "failed (type=%u): ret=%d (%s)",
1772 type, ret, strerror(-ret));
1773 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0 1774 match, match_len);
58f6fbe0 1775 }
58f6fbe0
JM		 1776 return ret;
1777}
1778
1779
a11241fa
JB		 1780static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1781{
481234cf 1782 if (bss->nl_mgmt) {
a11241fa 1783 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 1784 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 1785 return -1;
1786 }
1787
ce20a370 1788 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
481234cf 1789 if (bss->nl_mgmt == NULL)
a11241fa
JB		 1790 return -1;
1791
a11241fa
JB		 1792 return 0;
1793}
1794
1795
5f65e9f7
JB		 1796static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1797{
1798 nl80211_register_eloop_read(&bss->nl_mgmt,
1799 wpa_driver_nl80211_event_receive,
1800 bss->nl_cb);
1801}
1802
1803
a11241fa 1804static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 1805 const u8 *match, size_t match_len)
1806{
1807 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 1808 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 1809 type, match, match_len);
bd94971e
JB		 1810}
1811
1812
a11241fa 1813static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 1814{
a11241fa 1815 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 1816 int ret = 0;
a11241fa
JB		 1817
1818 if (nl80211_alloc_mgmt_handle(bss))
1819 return -1;
36488c05
JM		 1820 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
1821 "handle %p", bss->nl_mgmt);
a11241fa 1822
e8d1168b
JB		 1823 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
1824 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1825
1826 /* register for any AUTH message */
1827 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
1828 }
1829
56f5af48
JM		 1830#ifdef CONFIG_INTERWORKING
1831 /* QoS Map Configure */
1832 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 1833 ret = -1;
56f5af48 1834#endif /* CONFIG_INTERWORKING */
4fe9fa0d 1835#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 1836 /* GAS Initial Request */
a11241fa 1837 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 1838 ret = -1;
046b26a2 1839 /* GAS Initial Response */
a11241fa 1840 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 1841 ret = -1;
18708aad 1842 /* GAS Comeback Request */
a11241fa 1843 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 1844 ret = -1;
18708aad 1845 /* GAS Comeback Response */
a11241fa 1846 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 1847 ret = -1;
c5a64e2d
JM		 1848 /* Protected GAS Initial Request */
1849 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
1850 ret = -1;
1851 /* Protected GAS Initial Response */
1852 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
1853 ret = -1;
1854 /* Protected GAS Comeback Request */
1855 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
1856 ret = -1;
1857 /* Protected GAS Comeback Response */
1858 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
1859 ret = -1;
4fe9fa0d
JM		 1860#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
1861#ifdef CONFIG_P2P
046b26a2 1862 /* P2P Public Action */
a11241fa 1863 if (nl80211_register_action_frame(bss,
046b26a2
JM		 1864 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
1865 6) < 0)
6f06766e 1866 ret = -1;
046b26a2 1867 /* P2P Action */
a11241fa 1868 if (nl80211_register_action_frame(bss,
046b26a2
JM		 1869 (u8 *) "\x7f\x50\x6f\x9a\x09",
1870 5) < 0)
6f06766e 1871 ret = -1;
046b26a2 1872#endif /* CONFIG_P2P */
7d878ca7
JM		 1873#ifdef CONFIG_IEEE80211W
1874 /* SA Query Response */
a11241fa 1875 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 1876 ret = -1;
7d878ca7 1877#endif /* CONFIG_IEEE80211W */
35287637
AN		 1878#ifdef CONFIG_TDLS
1879 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
1880 /* TDLS Discovery Response */
aa543c0c 1881 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 1882 0)
6f06766e 1883 ret = -1;
35287637
AN		 1884 }
1885#endif /* CONFIG_TDLS */
46ab9b8c
AN		 1886#ifdef CONFIG_FST
1887 /* FST Action frames */
1888 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
1889 ret = -1;
1890#endif /* CONFIG_FST */
046b26a2 1891
7b90c16a 1892 /* FT Action frames */
a11241fa 1893 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 1894 ret = -1;
7b90c16a
JM		 1895 else
1896 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
1897 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
1898
71269b37 1899 /* WNM - BSS Transition Management Request */
a11241fa 1900 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 1901 ret = -1;
bd896433
JM		 1902 /* WNM-Sleep Mode Response */
1903 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 1904 ret = -1;
a11241fa 1905
95a3ea94
JM		 1906#ifdef CONFIG_HS20
1907 /* WNM-Notification */
1908 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
3ee18569 1909 ret = -1;
95a3ea94
JM		 1910#endif /* CONFIG_HS20 */
1911
dfa87878
MB		 1912 /* WMM-AC ADDTS Response */
1913 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
730a0d16 1914 ret = -1;
dfa87878
MB		 1915
1916 /* WMM-AC DELTS */
1917 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
730a0d16 1918 ret = -1;
dfa87878 1919
2526ccd9
AK		 1920 /* Radio Measurement - Neighbor Report Response */
1921 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
1922 ret = -1;
1923
7dc03388
AO		 1924 /* Radio Measurement - Link Measurement Request */
1925 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
1926 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
1927 ret = -1;
1928
5f65e9f7
JB		 1929 nl80211_mgmt_handle_register_eloop(bss);
1930
6f06766e 1931 return ret;
a11241fa
JB		 1932}
1933
1934
afb0550a
BC		 1935static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
1936{
1937 int ret = 0;
1938
1939 if (nl80211_alloc_mgmt_handle(bss))
1940 return -1;
1941
1942 wpa_printf(MSG_DEBUG,
1943 "nl80211: Subscribe to mgmt frames with mesh handle %p",
1944 bss->nl_mgmt);
1945
1946 /* Auth frames for mesh SAE */
1947 if (nl80211_register_frame(bss, bss->nl_mgmt,
1948 (WLAN_FC_TYPE_MGMT << 2) |
1949 (WLAN_FC_STYPE_AUTH << 4),
1950 NULL, 0) < 0)
1951 ret = -1;
1952
1953 /* Mesh peering open */
1954 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
1955 ret = -1;
1956 /* Mesh peering confirm */
1957 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
1958 ret = -1;
1959 /* Mesh peering close */
1960 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
1961 ret = -1;
1962
1963 nl80211_mgmt_handle_register_eloop(bss);
1964
1965 return ret;
1966}
1967
1968
02bb32c3
JB		 1969static int nl80211_register_spurious_class3(struct i802_bss *bss)
1970{
02bb32c3 1971 struct nl_msg *msg;
a862e4a3 1972 int ret;
02bb32c3 1973
13f83980
JM		 1974 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
1975 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 1976 if (ret) {
1977 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
1978 "failed: ret=%d (%s)",
1979 ret, strerror(-ret));
02bb32c3 1980 }
02bb32c3
JB		 1981 return ret;
1982}
1983
1984
a11241fa
JB		 1985static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
1986{
1987 static const int stypes[] = {
1988 WLAN_FC_STYPE_AUTH,
1989 WLAN_FC_STYPE_ASSOC_REQ,
1990 WLAN_FC_STYPE_REASSOC_REQ,
1991 WLAN_FC_STYPE_DISASSOC,
1992 WLAN_FC_STYPE_DEAUTH,
1993 WLAN_FC_STYPE_ACTION,
1994 WLAN_FC_STYPE_PROBE_REQ,
1995/* Beacon doesn't work as mac80211 doesn't currently allow
1996 * it, but it wouldn't really be the right thing anyway as
1997 * it isn't per interface ... maybe just dump the scan
1998 * results periodically for OLBC?
1999 */
0e80ea2c 2000 /* WLAN_FC_STYPE_BEACON, */
a11241fa
JB		 2001 };
2002 unsigned int i;
2003
2004 if (nl80211_alloc_mgmt_handle(bss))
71269b37 2005 return -1;
36488c05
JM		 2006 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2007 "handle %p", bss->nl_mgmt);
71269b37 2008
e7ecab4a 2009 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 2010 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 2011 (WLAN_FC_TYPE_MGMT << 2) |
2012 (stypes[i] << 4),
2013 NULL, 0) < 0) {
2014 goto out_err;
2015 }
2016 }
2017
02bb32c3
JB		 2018 if (nl80211_register_spurious_class3(bss))
2019 goto out_err;
2020
e32ad281
JB		 2021 if (nl80211_get_wiphy_data_ap(bss) == NULL)
2022 goto out_err;
2023
5f65e9f7 2024 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 2025 return 0;
a11241fa
JB		 2026
2027out_err:
a11241fa
JB		 2028 nl_destroy_handles(&bss->nl_mgmt);
2029 return -1;
2030}
2031
2032
a6cc0602
JM		 2033static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2034{
2035 if (nl80211_alloc_mgmt_handle(bss))
2036 return -1;
2037 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2038 "handle %p (device SME)", bss->nl_mgmt);
2039
2040 if (nl80211_register_frame(bss, bss->nl_mgmt,
2041 (WLAN_FC_TYPE_MGMT << 2) |
2042 (WLAN_FC_STYPE_ACTION << 4),
2043 NULL, 0) < 0)
2044 goto out_err;
2045
5f65e9f7 2046 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 2047 return 0;
2048
2049out_err:
a6cc0602
JM		 2050 nl_destroy_handles(&bss->nl_mgmt);
2051 return -1;
2052}
2053
2054
36488c05 2055static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 2056{
481234cf 2057 if (bss->nl_mgmt == NULL)
a11241fa 2058 return;
36488c05
JM		 2059 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2060 "(%s)", bss->nl_mgmt, reason);
5f65e9f7 2061 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
e32ad281
JB		 2062
2063 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 2064}
2065
2066
8401a6b0
JM		 2067static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2068{
2069 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2070}
2071
2072
eb4582f2
AS		 2073static void nl80211_del_p2pdev(struct i802_bss *bss)
2074{
eb4582f2
AS		 2075 struct nl_msg *msg;
2076 int ret;
2077
a3249fdf
JM		 2078 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2079 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
eb4582f2
AS		 2080
2081 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2082 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2083 strerror(-ret));
eb4582f2
AS		 2084}
2085
2086
eb4582f2 2087static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483 2088{
f632e483 2089 struct nl_msg *msg;
a862e4a3 2090 int ret;
f632e483 2091
a3249fdf
JM		 2092 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2093 NL80211_CMD_STOP_P2P_DEVICE);
2094 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
f632e483 2095
eb4582f2
AS		 2096 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2097 start ? "Start" : "Stop",
2098 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2099 strerror(-ret));
f632e483
AS		 2100 return ret;
2101}
f632e483
AS		 2102
2103
91724d6f
AS		 2104static int i802_set_iface_flags(struct i802_bss *bss, int up)
2105{
2106 enum nl80211_iftype nlmode;
2107
2108 nlmode = nl80211_get_ifmode(bss);
2109 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2110 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2111 bss->ifname, up);
2112 }
2113
2114 /* P2P Device has start/stop which is equivalent */
2115 return nl80211_set_p2pdev(bss, up);
2116}
2117
2118
1db718b3
JM		 2119#ifdef CONFIG_TESTING_OPTIONS
2120static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2121{
2122 /* struct wpa_driver_nl80211_data *drv = arg; */
2123 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2124 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2125
2126
2127 wpa_printf(MSG_DEBUG,
2128 "nl80211: QCA vendor test command response received");
2129
2130 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2131 genlmsg_attrlen(gnlh, 0), NULL);
2132 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2133 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2134 return NL_SKIP;
2135 }
2136
2137 wpa_hexdump(MSG_DEBUG,
2138 "nl80211: Received QCA vendor test command response",
2139 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2140 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2141
2142 return NL_SKIP;
2143}
2144#endif /* CONFIG_TESTING_OPTIONS */
2145
2146
2147static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2148{
2149#ifdef CONFIG_TESTING_OPTIONS
2150 struct nl_msg *msg;
2151 struct nlattr *params;
2152 int ret;
2153
2154 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2155 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2156 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2157 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2158 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2159 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2160 nlmsg_free(msg);
2161 return;
2162 }
2163 nla_nest_end(msg, params);
2164
2165 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2166 wpa_printf(MSG_DEBUG,
2167 "nl80211: QCA vendor test command returned %d (%s)",
2168 ret, strerror(-ret));
2169#endif /* CONFIG_TESTING_OPTIONS */
2170}
2171
2172
362f781e 2173static int
0d547d5f 2174wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 2175 const u8 *set_addr, int first,
2176 const char *driver_params)
7524cfb1 2177{
834ee56f 2178 struct i802_bss *bss = drv->first_bss;
8401a6b0 2179 int send_rfkill_event = 0;
0d547d5f 2180 enum nl80211_iftype nlmode;
a2e40bb6
FF		 2181
2182 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 2183 bss->ifindex = drv->ifindex;
2184 bss->wdev_id = drv->global->if_add_wdevid;
2185 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2186
60b13c20
IP		 2187 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2188 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 2189 drv->global->if_add_wdevid_set = 0;
2190
bf144cf6
AP		 2191 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2192 bss->static_ap = 1;
2193
f632e483
AS		 2194 if (wpa_driver_nl80211_capa(drv))
2195 return -1;
a87c9d96 2196
0ecff8d7
JM		 2197 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2198 return -1;
2199
5fbcb45d
AS		 2200 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2201 bss->ifname, drv->phyname);
2202
0d547d5f
JM		 2203 if (set_addr &&
2204 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2205 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2206 set_addr)))
2207 return -1;
2208
49b4b205
JM		 2209 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2210 drv->start_mode_ap = 1;
2211
bf144cf6 2212 if (drv->hostapd || bss->static_ap)
0d547d5f
JM		 2213 nlmode = NL80211_IFTYPE_AP;
2214 else if (bss->if_dynamic)
8e12685c 2215 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 2216 else
2217 nlmode = NL80211_IFTYPE_STATION;
f632e483 2218
8e12685c 2219 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 2220 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 2221 return -1;
a87c9d96
JM		 2222 }
2223
8c06db70 2224 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 2225 nl80211_get_macaddr(bss);
f632e483 2226
8c06db70
MB		 2227 if (!rfkill_is_blocked(drv->rfkill)) {
2228 int ret = i802_set_iface_flags(bss, 1);
2229 if (ret) {
8401a6b0
JM		 2230 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2231 "interface '%s' UP", bss->ifname);
8c06db70 2232 return ret;
8401a6b0 2233 }
e8dc205f
AO		 2234
2235 if (is_p2p_net_interface(nlmode))
2236 nl80211_disable_11b_rates(bss->drv,
2237 bss->drv->ifindex, 1);
2238
8c06db70
MB		 2239 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2240 return ret;
2241 } else {
2242 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2243 "interface '%s' due to rfkill", bss->ifname);
2244 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2245 return 0;
2246 drv->if_disabled = 1;
2247 send_rfkill_event = 1;
362f781e 2248 }
3f5285e8 2249
0d547d5f
JM		 2250 if (!drv->hostapd)
2251 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2252 1, IF_OPER_DORMANT);
362f781e 2253
c81eff1a 2254 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
341eebee 2255 bss->addr))
2136f480 2256 return -1;
fee354c7 2257 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
f2ed8023 2258
8401a6b0
JM		 2259 if (send_rfkill_event) {
2260 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2261 drv, drv->ctx);
2262 }
2263
1db718b3
JM		 2264 if (drv->vendor_cmd_test_avail)
2265 qca_vendor_test(drv);
2266
362f781e 2267 return 0;
3f5285e8
JM		 2268}
2269
2270
8a27af5c
JM		 2271static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
2272{
2273 struct nl_msg *msg;
2274
08e55ebb
JM		 2275 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2276 drv->ifindex);
9725b784 2277 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
8a27af5c 2278 return send_and_recv_msgs(drv, msg, NULL, NULL);
8a27af5c 2279}
8a27af5c
JM		 2280
2281
3f5285e8 2282/**
7e5ba1b9 2283 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 2284 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 2285 *
2286 * Shut down driver interface and processing of driver events. Free
2287 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2288 */
9ebce9c5 2289static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 2290{
a2e40bb6 2291 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 2292
3e208481
JM		 2293 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2294 bss->ifname, drv->disabled_11b_rates);
2295
873d0fcf 2296 bss->in_deinit = 1;
32ab4855
JB		 2297 if (drv->data_tx_status)
2298 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 2299 if (drv->eapol_tx_sock >= 0)
2300 close(drv->eapol_tx_sock);
f10bfc9a 2301
481234cf 2302 if (bss->nl_preq)
5582a5d1 2303 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 2304 if (bss->added_if_into_bridge) {
c81eff1a
BG		 2305 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2306 bss->ifname) < 0)
94627f6c
JM		 2307 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2308 "interface %s from bridge %s: %s",
e17a2477 2309 bss->ifname, bss->brname, strerror(errno));
97ed9a06 2310 if (drv->rtnl_sk)
ca3c6b4d 2311 nl80211_handle_destroy(drv->rtnl_sk);
94627f6c 2312 }
e17a2477 2313 if (bss->added_bridge) {
f2535da8
JM		 2314 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2315 0) < 0)
2316 wpa_printf(MSG_INFO,
2317 "nl80211: Could not set bridge %s down",
2318 bss->brname);
c81eff1a 2319 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 2320 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2321 "bridge %s: %s",
e17a2477 2322 bss->brname, strerror(errno));
94627f6c
JM		 2323 }
2324
460456f8 2325 nl80211_remove_monitor_interface(drv);
8a27af5c 2326
b1f625e0 2327 if (is_ap_interface(drv->nlmode))
8a27af5c 2328 wpa_driver_nl80211_del_beacon(drv);
0915d02c 2329
bbaf0837
JM		 2330 if (drv->eapol_sock >= 0) {
2331 eloop_unregister_read_sock(drv->eapol_sock);
2332 close(drv->eapol_sock);
2333 }
2334
2335 if (drv->if_indices != drv->default_if_indices)
2336 os_free(drv->if_indices);
3f5285e8 2337
b3af99d2 2338 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 2339 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2340
36d84860
BG		 2341 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2342 IF_OPER_UP);
e390df05 2343 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
8401a6b0 2344 rfkill_deinit(drv->rfkill);
3f5285e8 2345
bbaf0837
JM		 2346 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2347
146fa9b3
JM		 2348 if (!drv->start_iface_up)
2349 (void) i802_set_iface_flags(bss, 0);
fee354c7
JM		 2350
2351 if (drv->addr_changed) {
93da0498
JM		 2352 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2353 0) < 0) {
2354 wpa_printf(MSG_DEBUG,
2355 "nl80211: Could not set interface down to restore permanent MAC address");
2356 }
fee354c7
JM		 2357 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2358 drv->perm_addr) < 0) {
2359 wpa_printf(MSG_DEBUG,
2360 "nl80211: Could not restore permanent MAC address");
2361 }
2362 }
2363
8e12685c 2364 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 2365 if (!drv->hostapd || !drv->start_mode_ap)
2366 wpa_driver_nl80211_set_mode(bss,
2367 NL80211_IFTYPE_STATION);
b378c41f 2368 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 2369 } else {
2370 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 2371 nl80211_del_p2pdev(bss);
8e12685c 2372 }
3f5285e8 2373
834ee56f 2374 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 2375
3812464c
JM		 2376 os_free(drv->filter_ssids);
2377
536fd62d
JM		 2378 os_free(drv->auth_ie);
2379
dac12351 2380 if (drv->in_interface_list)
f2ed8023
JM		 2381 dl_list_del(&drv->list);
2382
8cd6b7bc
JB		 2383 os_free(drv->extended_capa);
2384 os_free(drv->extended_capa_mask);
834ee56f 2385 os_free(drv->first_bss);
3f5285e8
JM		 2386 os_free(drv);
2387}
2388
2389
de4ed4a8
JM		 2390static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2391{
2392 switch (alg) {
2393 case WPA_ALG_WEP:
2394 if (key_len == 5)
2395 return WLAN_CIPHER_SUITE_WEP40;
2396 return WLAN_CIPHER_SUITE_WEP104;
2397 case WPA_ALG_TKIP:
2398 return WLAN_CIPHER_SUITE_TKIP;
2399 case WPA_ALG_CCMP:
2400 return WLAN_CIPHER_SUITE_CCMP;
2401 case WPA_ALG_GCMP:
2402 return WLAN_CIPHER_SUITE_GCMP;
2403 case WPA_ALG_CCMP_256:
2404 return WLAN_CIPHER_SUITE_CCMP_256;
2405 case WPA_ALG_GCMP_256:
2406 return WLAN_CIPHER_SUITE_GCMP_256;
2407 case WPA_ALG_IGTK:
2408 return WLAN_CIPHER_SUITE_AES_CMAC;
2409 case WPA_ALG_BIP_GMAC_128:
2410 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
2411 case WPA_ALG_BIP_GMAC_256:
2412 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
2413 case WPA_ALG_BIP_CMAC_256:
2414 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
2415 case WPA_ALG_SMS4:
2416 return WLAN_CIPHER_SUITE_SMS4;
2417 case WPA_ALG_KRK:
2418 return WLAN_CIPHER_SUITE_KRK;
2419 case WPA_ALG_NONE:
2420 case WPA_ALG_PMK:
2421 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2422 alg);
2423 return 0;
2424 }
2425
2426 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2427 alg);
2428 return 0;
2429}
2430
2431
2432static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2433{
2434 switch (cipher) {
2435 case WPA_CIPHER_CCMP_256:
2436 return WLAN_CIPHER_SUITE_CCMP_256;
2437 case WPA_CIPHER_GCMP_256:
2438 return WLAN_CIPHER_SUITE_GCMP_256;
2439 case WPA_CIPHER_CCMP:
2440 return WLAN_CIPHER_SUITE_CCMP;
2441 case WPA_CIPHER_GCMP:
2442 return WLAN_CIPHER_SUITE_GCMP;
2443 case WPA_CIPHER_TKIP:
2444 return WLAN_CIPHER_SUITE_TKIP;
2445 case WPA_CIPHER_WEP104:
2446 return WLAN_CIPHER_SUITE_WEP104;
2447 case WPA_CIPHER_WEP40:
2448 return WLAN_CIPHER_SUITE_WEP40;
ae6f9272
JM		 2449 case WPA_CIPHER_GTK_NOT_USED:
2450 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
de4ed4a8
JM		 2451 }
2452
2453 return 0;
2454}
2455
2456
2457static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2458 int max_suites)
2459{
2460 int num_suites = 0;
2461
2462 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2463 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
2464 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2465 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
2466 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2467 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
2468 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2469 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
2470 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2471 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
2472 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2473 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
2474 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2475 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
2476
2477 return num_suites;
2478}
2479
2480
b658547d 2481#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 2482static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2483 const u8 *key, size_t key_len)
2484{
2485 struct nl_msg *msg;
a862e4a3 2486 int ret;
b41f2684 2487
15badebd 2488 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
b41f2684
CL		 2489 return 0;
2490
9725b784 2491 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 2492 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2493 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2494 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2495 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
bbd89bfc 2496 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 2497 nlmsg_free(msg);
2498 return -1;
2499 }
bbd89bfc 2500 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
b41f2684
CL		 2501 if (ret) {
2502 wpa_printf(MSG_DEBUG,
2503 "nl80211: Key management set key failed: ret=%d (%s)",
2504 ret, strerror(-ret));
2505 }
2506
b41f2684
CL		 2507 return ret;
2508}
b658547d 2509#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684
CL		 2510
2511
9ebce9c5 2512static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 2513 enum wpa_alg alg, const u8 *addr,
2514 int key_idx, int set_tx,
642187d6
JM		 2515 const u8 *seq, size_t seq_len,
2516 const u8 *key, size_t key_len)
3f5285e8 2517{
a2e40bb6 2518 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 2519 int ifindex;
34651767 2520 struct nl_msg *msg = NULL;
1ad1cdc2 2521 int ret;
dc01de8a 2522 int tdls = 0;
3f5285e8 2523
e472e1b4
AS		 2524 /* Ignore for P2P Device */
2525 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2526 return 0;
2527
2528 ifindex = if_nametoindex(ifname);
8393e1a0 2529 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 2530 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 2531 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 2532 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 2533#ifdef CONFIG_TDLS
dc01de8a 2534 if (key_idx == -1) {
8c66e185 2535 key_idx = 0;
dc01de8a
JM		 2536 tdls = 1;
2537 }
8c66e185 2538#endif /* CONFIG_TDLS */
3f5285e8 2539
b658547d 2540#ifdef CONFIG_DRIVER_NL80211_QCA
15badebd
CL		 2541 if (alg == WPA_ALG_PMK &&
2542 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
b41f2684
CL		 2543 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2544 __func__);
2545 ret = issue_key_mgmt_set_key(drv, key, key_len);
2546 return ret;
2547 }
b658547d 2548#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 2549
3f5285e8 2550 if (alg == WPA_ALG_NONE) {
95376e1a
JM		 2551 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2552 if (!msg)
2553 return -ENOBUFS;
3f5285e8 2554 } else {
34651767
JM		 2555 u32 suite;
2556
2557 suite = wpa_alg_to_cipher_suite(alg, key_len);
2558 if (!suite)
2559 goto fail;
95376e1a
JM		 2560 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2561 if (!msg ||
a862e4a3 2562 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
34651767 2563 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
a862e4a3 2564 goto fail;
e6ef73f1 2565 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3f5285e8
JM		 2566 }
2567
e6ef73f1 2568 if (seq && seq_len) {
a862e4a3
JM		 2569 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2570 goto fail;
e6ef73f1
JM		 2571 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2572 }
1ad1cdc2 2573
0382097e 2574 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8 2575 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
a862e4a3
JM		 2576 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2577 goto fail;
89c38e32
JM		 2578
2579 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2580 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
a862e4a3
JM		 2581 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2582 NL80211_KEYTYPE_GROUP))
2583 goto fail;
89c38e32 2584 }
60ea8187 2585 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2586 struct nlattr *types;
2587
60ea8187 2588 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 2589
2590 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2591 if (!types ||
2592 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2593 goto fail;
8970bae8 2594 nla_nest_end(msg, types);
3f5285e8 2595 }
95376e1a 2596 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
a862e4a3 2597 goto fail;
3f5285e8 2598
bbd89bfc 2599 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
15664ad0 2600 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 2601 ret = 0;
2602 if (ret)
2603 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2604 ret, strerror(-ret));
3f5285e8 2605
1ad1cdc2
JM		 2606 /*
2607 * If we failed or don't need to set the default TX key (below),
2608 * we're done here.
2609 */
dc01de8a 2610 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 2611 return ret;
b1f625e0 2612 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 2613 !is_broadcast_ether_addr(addr))
de12717a 2614 return ret;
3f5285e8 2615
95376e1a
JM		 2616 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2617 if (!msg ||
a862e4a3 2618 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
86f9b1c7
JM		 2619 nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
2620 alg == WPA_ALG_BIP_GMAC_128 ||
2621 alg == WPA_ALG_BIP_GMAC_256 ||
2622 alg == WPA_ALG_BIP_CMAC_256) ?
a862e4a3
JM		 2623 NL80211_ATTR_KEY_DEFAULT_MGMT :
2624 NL80211_ATTR_KEY_DEFAULT))
2625 goto fail;
60ea8187 2626 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2627 struct nlattr *types;
2628
2629 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2630 if (!types ||
2631 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2632 goto fail;
8970bae8 2633 nla_nest_end(msg, types);
60ea8187 2634 } else if (addr) {
8970bae8
JB		 2635 struct nlattr *types;
2636
2637 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2638 if (!types ||
2639 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2640 goto fail;
8970bae8 2641 nla_nest_end(msg, types);
60ea8187 2642 }
3f5285e8 2643
1ad1cdc2
JM		 2644 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2645 if (ret == -ENOENT)
2646 ret = 0;
2647 if (ret)
2648 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2649 "err=%d %s)", ret, strerror(-ret));
2650 return ret;
3f5285e8 2651
a862e4a3 2652fail:
bbd89bfc 2653 nl80211_nlmsg_clear(msg);
5883168a 2654 nlmsg_free(msg);
6241fcb1 2655 return -ENOBUFS;
3f5285e8
JM		 2656}
2657
2658
71934751 2659static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 2660 int key_idx, int defkey,
2661 const u8 *seq, size_t seq_len,
2662 const u8 *key, size_t key_len)
2663{
2664 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
34651767
JM		 2665 u32 suite;
2666
0194fedb
JB		 2667 if (!key_attr)
2668 return -1;
2669
34651767
JM		 2670 suite = wpa_alg_to_cipher_suite(alg, key_len);
2671 if (!suite)
2672 return -1;
2673
a862e4a3
JM		 2674 if (defkey && alg == WPA_ALG_IGTK) {
2675 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2676 return -1;
2677 } else if (defkey) {
2678 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2679 return -1;
2680 }
0194fedb 2681
a862e4a3 2682 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
34651767 2683 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
a862e4a3
JM		 2684 (seq && seq_len &&
2685 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2686 nla_put(msg, NL80211_KEY_DATA, key_len, key))
2687 return -1;
0194fedb
JB		 2688
2689 nla_nest_end(msg, key_attr);
2690
2691 return 0;
0194fedb
JB		 2692}
2693
c811d5bc 2694
cfaab580
ZY		 2695static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2696 struct nl_msg *msg)
2697{
2698 int i, privacy = 0;
2699 struct nlattr *nl_keys, *nl_key;
2700
2701 for (i = 0; i < 4; i++) {
2702 if (!params->wep_key[i])
2703 continue;
2704 privacy = 1;
2705 break;
2706 }
ce04af5a
JM		 2707 if (params->wps == WPS_MODE_PRIVACY)
2708 privacy = 1;
2709 if (params->pairwise_suite &&
2710 params->pairwise_suite != WPA_CIPHER_NONE)
2711 privacy = 1;
2712
cfaab580
ZY		 2713 if (!privacy)
2714 return 0;
2715
a862e4a3
JM		 2716 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2717 return -ENOBUFS;
cfaab580
ZY		 2718
2719 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2720 if (!nl_keys)
a862e4a3 2721 return -ENOBUFS;
cfaab580
ZY		 2722
2723 for (i = 0; i < 4; i++) {
2724 if (!params->wep_key[i])
2725 continue;
2726
2727 nl_key = nla_nest_start(msg, i);
a862e4a3
JM		 2728 if (!nl_key ||
2729 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
2730 params->wep_key[i]) ||
2731 nla_put_u32(msg, NL80211_KEY_CIPHER,
2732 params->wep_key_len[i] == 5 ?
2733 WLAN_CIPHER_SUITE_WEP40 :
2734 WLAN_CIPHER_SUITE_WEP104) ||
2735 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
2736 (i == params->wep_tx_keyidx &&
2737 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
2738 return -ENOBUFS;
cfaab580
ZY		 2739
2740 nla_nest_end(msg, nl_key);
2741 }
2742 nla_nest_end(msg, nl_keys);
2743
2744 return 0;
cfaab580
ZY		 2745}
2746
2747
477af8f8
JM		 2748int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
2749 const u8 *addr, int cmd, u16 reason_code,
2750 int local_state_change)
c2a04078 2751{
a862e4a3 2752 int ret;
c2a04078
JM		 2753 struct nl_msg *msg;
2754
9725b784 2755 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM		 2756 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
2757 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
2758 (local_state_change &&
2759 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
2760 nlmsg_free(msg);
2761 return -1;
2762 }
c2a04078
JM		 2763
2764 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 2765 if (ret) {
3b7ea880
BG		 2766 wpa_dbg(drv->ctx, MSG_DEBUG,
2767 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2768 reason_code, ret, strerror(-ret));
c2a04078 2769 }
c2a04078
JM		 2770 return ret;
2771}
3f5285e8
JM		 2772
2773
cfaab580 2774static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 2775 int reason_code)
cfaab580 2776{
3f53c006
JJ		 2777 int ret;
2778
817762d9 2779 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 2780 nl80211_mark_disconnected(drv);
817762d9 2781 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 2782 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
2783 reason_code, 0);
2784 /*
2785 * For locally generated disconnect, supplicant already generates a
2786 * DEAUTH event, so ignore the event from NL80211.
2787 */
2788 drv->ignore_next_local_disconnect = ret == 0;
2789
2790 return ret;
cfaab580
ZY		 2791}
2792
2793
9ebce9c5
JM		 2794static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
2795 const u8 *addr, int reason_code)
3f5285e8 2796{
a2e40bb6 2797 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 2798 int ret;
9392c9be
AS		 2799
2800 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2801 nl80211_mark_disconnected(drv);
666e508c 2802 return nl80211_leave_ibss(drv, 1);
9392c9be 2803 }
cfaab580 2804 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 2805 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 2806 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
2807 __func__, MAC2STR(addr), reason_code);
add9b7a4 2808 nl80211_mark_disconnected(drv);
d6a36f39
JM		 2809 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
2810 reason_code, 0);
2811 /*
2812 * For locally generated deauthenticate, supplicant already generates a
2813 * DEAUTH event, so ignore the event from NL80211.
2814 */
2815 drv->ignore_next_local_deauth = ret == 0;
2816 return ret;
3f5285e8
JM		 2817}
2818
2819
536fd62d
JM		 2820static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
2821 struct wpa_driver_auth_params *params)
2822{
2823 int i;
2824
2825 drv->auth_freq = params->freq;
2826 drv->auth_alg = params->auth_alg;
2827 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
2828 drv->auth_local_state_change = params->local_state_change;
2829 drv->auth_p2p = params->p2p;
2830
2831 if (params->bssid)
2832 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
2833 else
2834 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
2835
2836 if (params->ssid) {
2837 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
2838 drv->auth_ssid_len = params->ssid_len;
2839 } else
2840 drv->auth_ssid_len = 0;
2841
2842
2843 os_free(drv->auth_ie);
2844 drv->auth_ie = NULL;
2845 drv->auth_ie_len = 0;
2846 if (params->ie) {
2847 drv->auth_ie = os_malloc(params->ie_len);
2848 if (drv->auth_ie) {
2849 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
2850 drv->auth_ie_len = params->ie_len;
2851 }
2852 }
2853
2854 for (i = 0; i < 4; i++) {
2855 if (params->wep_key[i] && params->wep_key_len[i] &&
2856 params->wep_key_len[i] <= 16) {
2857 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
2858 params->wep_key_len[i]);
2859 drv->auth_wep_key_len[i] = params->wep_key_len[i];
2860 } else
2861 drv->auth_wep_key_len[i] = 0;
2862 }
2863}
2864
2865
4bd71954
JM		 2866static void nl80211_unmask_11b_rates(struct i802_bss *bss)
2867{
2868 struct wpa_driver_nl80211_data *drv = bss->drv;
2869
2870 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
2871 return;
2872
2873 /*
2874 * Looks like we failed to unmask 11b rates previously. This could
2875 * happen, e.g., if the interface was down at the point in time when a
2876 * P2P group was terminated.
2877 */
2878 wpa_printf(MSG_DEBUG,
2879 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
2880 bss->ifname);
2881 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2882}
2883
2884
c2a04078 2885static int wpa_driver_nl80211_authenticate(
9ebce9c5 2886 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 2887{
a2e40bb6 2888 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 2889 int ret = -1, i;
c2a04078
JM		 2890 struct nl_msg *msg;
2891 enum nl80211_auth_type type;
2f4f73b1 2892 enum nl80211_iftype nlmode;
6d6f4bb8 2893 int count = 0;
536fd62d
JM		 2894 int is_retry;
2895
4bd71954
JM		 2896 nl80211_unmask_11b_rates(bss);
2897
536fd62d
JM		 2898 is_retry = drv->retry_auth;
2899 drv->retry_auth = 0;
e8d70a73 2900 drv->ignore_deauth_event = 0;
c2a04078 2901
add9b7a4 2902 nl80211_mark_disconnected(drv);
e6b8efeb 2903 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 2904 if (params->bssid)
2905 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
2906 else
2907 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 2908 /* FIX: IBSS mode */
2f4f73b1
EP		 2909 nlmode = params->p2p ?
2910 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
2911 if (drv->nlmode != nlmode &&
9ebce9c5 2912 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 2913 return -1;
2914
6d6f4bb8 2915retry:
c2a04078
JM		 2916 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
2917 drv->ifindex);
a0b2f99b 2918
9725b784
JM		 2919 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
2920 if (!msg)
2921 goto fail;
0194fedb 2922
a0b2f99b
JM		 2923 for (i = 0; i < 4; i++) {
2924 if (!params->wep_key[i])
2925 continue;
9ebce9c5 2926 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 2927 NULL, i,
a0b2f99b
JM		 2928 i == params->wep_tx_keyidx, NULL, 0,
2929 params->wep_key[i],
2930 params->wep_key_len[i]);
0194fedb
JB		 2931 if (params->wep_tx_keyidx != i)
2932 continue;
2933 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM		 2934 params->wep_key[i], params->wep_key_len[i]))
2935 goto fail;
a0b2f99b
JM		 2936 }
2937
c2a04078
JM		 2938 if (params->bssid) {
2939 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
2940 MAC2STR(params->bssid));
a862e4a3
JM		 2941 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
2942 goto fail;
c2a04078
JM		 2943 }
2944 if (params->freq) {
2945 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 2946 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
2947 goto fail;
c2a04078
JM		 2948 }
2949 if (params->ssid) {
2950 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
2951 params->ssid, params->ssid_len);
a862e4a3
JM		 2952 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
2953 params->ssid))
2954 goto fail;
c2a04078
JM		 2955 }
2956 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM		 2957 if (params->ie &&
2958 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
2959 goto fail;
569fed90
JM		 2960 if (params->sae_data) {
2961 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
2962 params->sae_data_len);
a862e4a3
JM		 2963 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
2964 params->sae_data))
2965 goto fail;
569fed90 2966 }
abd9fafa 2967 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 2968 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 2969 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 2970 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 2971 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 2972 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 2973 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 2974 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 2975 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
2976 type = NL80211_AUTHTYPE_SAE;
c2a04078 2977 else
a862e4a3 2978 goto fail;
c2a04078 2979 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
a862e4a3
JM		 2980 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
2981 goto fail;
77339912
JM		 2982 if (params->local_state_change) {
2983 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM		 2984 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
2985 goto fail;
77339912 2986 }
c2a04078
JM		 2987
2988 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2989 msg = NULL;
2990 if (ret) {
3b7ea880
BG		 2991 wpa_dbg(drv->ctx, MSG_DEBUG,
2992 "nl80211: MLME command failed (auth): ret=%d (%s)",
2993 ret, strerror(-ret));
6d6f4bb8 2994 count++;
77339912
JM		 2995 if (ret == -EALREADY && count == 1 && params->bssid &&
2996 !params->local_state_change) {
6d6f4bb8
JM		 2997 /*
2998 * mac80211 does not currently accept new
2999 * authentication if we are already authenticated. As a
3000 * workaround, force deauthentication and try again.
3001 */
3002 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3003 "after forced deauthentication");
e8d70a73 3004 drv->ignore_deauth_event = 1;
6d6f4bb8 3005 wpa_driver_nl80211_deauthenticate(
5205c4f9 3006 bss, params->bssid,
6d6f4bb8
JM		 3007 WLAN_REASON_PREV_AUTH_NOT_VALID);
3008 nlmsg_free(msg);
3009 goto retry;
3010 }
536fd62d
JM		 3011
3012 if (ret == -ENOENT && params->freq && !is_retry) {
3013 /*
3014 * cfg80211 has likely expired the BSS entry even
3015 * though it was previously available in our internal
3016 * BSS table. To recover quickly, start a single
3017 * channel scan on the specified channel.
3018 */
3019 struct wpa_driver_scan_params scan;
3020 int freqs[2];
3021
3022 os_memset(&scan, 0, sizeof(scan));
3023 scan.num_ssids = 1;
3024 if (params->ssid) {
3025 scan.ssids[0].ssid = params->ssid;
3026 scan.ssids[0].ssid_len = params->ssid_len;
3027 }
3028 freqs[0] = params->freq;
3029 freqs[1] = 0;
3030 scan.freqs = freqs;
3031 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3032 "channel scan to refresh cfg80211 BSS "
3033 "entry");
3034 ret = wpa_driver_nl80211_scan(bss, &scan);
3035 if (ret == 0) {
3036 nl80211_copy_auth_params(drv, params);
3037 drv->scan_for_auth = 1;
3038 }
8c3ba078
JM		 3039 } else if (is_retry) {
3040 /*
3041 * Need to indicate this with an event since the return
3042 * value from the retry is not delivered to core code.
3043 */
3044 union wpa_event_data event;
3045 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3046 "failed");
3047 os_memset(&event, 0, sizeof(event));
3048 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3049 ETH_ALEN);
3050 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3051 &event);
536fd62d 3052 }
a862e4a3
JM		 3053 } else {
3054 wpa_printf(MSG_DEBUG,
3055 "nl80211: Authentication request send successfully");
c2a04078 3056 }
c2a04078 3057
a862e4a3 3058fail:
c2a04078
JM		 3059 nlmsg_free(msg);
3060 return ret;
3061}
3062
3063
f3407c66 3064int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM		 3065{
3066 struct wpa_driver_auth_params params;
834ee56f 3067 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 3068 int i;
3069
3070 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3071
3072 os_memset(&params, 0, sizeof(params));
3073 params.freq = drv->auth_freq;
3074 params.auth_alg = drv->auth_alg;
3075 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3076 params.local_state_change = drv->auth_local_state_change;
3077 params.p2p = drv->auth_p2p;
3078
3079 if (!is_zero_ether_addr(drv->auth_bssid_))
3080 params.bssid = drv->auth_bssid_;
3081
3082 if (drv->auth_ssid_len) {
3083 params.ssid = drv->auth_ssid;
3084 params.ssid_len = drv->auth_ssid_len;
3085 }
3086
3087 params.ie = drv->auth_ie;
3088 params.ie_len = drv->auth_ie_len;
3089
3090 for (i = 0; i < 4; i++) {
3091 if (drv->auth_wep_key_len[i]) {
3092 params.wep_key[i] = drv->auth_wep_key[i];
3093 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3094 }
3095 }
3096
3097 drv->retry_auth = 1;
3098 return wpa_driver_nl80211_authenticate(bss, &params);
3099}
3100
3101
a11241fa
JB		 3102static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3103 const void *data, size_t len,
55231068
JM		 3104 int encrypt, int noack,
3105 unsigned int freq, int no_cck,
2d3943ce
AO		 3106 int offchanok, unsigned int wait_time,
3107 const u16 *csa_offs,
3108 size_t csa_offs_len)
a11241fa
JB		 3109{
3110 struct wpa_driver_nl80211_data *drv = bss->drv;
3111 u64 cookie;
41cc50d1 3112 int res;
a11241fa 3113
c7caac56
JM		 3114 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3115 freq = nl80211_get_assoc_freq(drv);
3116 wpa_printf(MSG_DEBUG,
3117 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3118 freq);
3119 }
af964484
JM		 3120 if (freq == 0) {
3121 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3122 bss->freq);
55231068 3123 freq = bss->freq;
af964484 3124 }
55231068 3125
739faee2 3126 if (drv->use_monitor) {
981cf85a 3127 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
739faee2 3128 freq, bss->freq);
981cf85a 3129 return nl80211_send_monitor(drv, data, len, encrypt, noack);
739faee2 3130 }
a11241fa 3131
739faee2 3132 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1 3133 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
2d3943ce
AO		 3134 &cookie, no_cck, noack, offchanok,
3135 csa_offs, csa_offs_len);
41cc50d1
JM		 3136 if (res == 0 && !noack) {
3137 const struct ieee80211_mgmt *mgmt;
3138 u16 fc;
3139
3140 mgmt = (const struct ieee80211_mgmt *) data;
3141 fc = le_to_host16(mgmt->frame_control);
3142 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3143 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3144 wpa_printf(MSG_MSGDUMP,
3145 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3146 (long long unsigned int)
3147 drv->send_action_cookie,
3148 (long long unsigned int) cookie);
3149 drv->send_action_cookie = cookie;
3150 }
3151 }
3152
3153 return res;
a11241fa
JB		 3154}
3155
3156
9ebce9c5
JM		 3157static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3158 size_t data_len, int noack,
3159 unsigned int freq, int no_cck,
3160 int offchanok,
2d3943ce
AO		 3161 unsigned int wait_time,
3162 const u16 *csa_offs,
3163 size_t csa_offs_len)
2c2010ac 3164{
a2e40bb6 3165 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 3166 struct ieee80211_mgmt *mgmt;
7a47d567 3167 int encrypt = 1;
2c2010ac
JM		 3168 u16 fc;
3169
3170 mgmt = (struct ieee80211_mgmt *) data;
3171 fc = le_to_host16(mgmt->frame_control);
f95a4524
PF		 3172 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3173 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3174 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3175 fc, fc2str(fc), drv->nlmode);
2c2010ac 3176
8e12685c
AS		 3177 if ((is_sta_interface(drv->nlmode) ||
3178 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 3179 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3180 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3181 /*
3182 * The use of last_mgmt_freq is a bit of a hack,
3183 * but it works due to the single-threaded nature
3184 * of wpa_supplicant.
3185 */
af964484
JM		 3186 if (freq == 0) {
3187 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3188 drv->last_mgmt_freq);
55231068 3189 freq = drv->last_mgmt_freq;
af964484 3190 }
55231068 3191 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7 3192 data, data_len, NULL, 1, noack,
2d3943ce 3193 1, csa_offs, csa_offs_len);
5582a5d1
JB		 3194 }
3195
61cbe2ff 3196 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 3197 if (freq == 0) {
3198 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3199 bss->freq);
55231068 3200 freq = bss->freq;
af964484 3201 }
b5671498
JM		 3202 return nl80211_send_frame_cmd(bss, freq,
3203 (int) freq == bss->freq ? 0 :
3204 wait_time,
d8d6b32e
DG		 3205 data, data_len,
3206 &drv->send_action_cookie,
2d3943ce
AO		 3207 no_cck, noack, offchanok,
3208 csa_offs, csa_offs_len);
86957e62
JM		 3209 }
3210
2c2010ac
JM		 3211 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3212 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3213 /*
3214 * Only one of the authentication frame types is encrypted.
3215 * In order for static WEP encryption to work properly (i.e.,
3216 * to not encrypt the frame), we need to tell mac80211 about
3217 * the frames that must not be encrypted.
3218 */
3219 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3220 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 3221 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3222 encrypt = 0;
2c2010ac
JM		 3223 }
3224
739faee2 3225 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 3226 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068 3227 noack, freq, no_cck, offchanok,
2d3943ce
AO		 3228 wait_time, csa_offs,
3229 csa_offs_len);
55231068
JM		 3230}
3231
3232
cae87abd
JM		 3233static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3234{
3235 u8 rates[NL80211_MAX_SUPP_RATES];
3236 u8 rates_len = 0;
3237 int i;
3238
3239 if (!basic_rates)
3240 return 0;
3241
3242 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3243 rates[rates_len++] = basic_rates[i] / 5;
3244
3245 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3246}
3247
3248
31357268 3249static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47 3250 int slot, int ht_opmode, int ap_isolate,
cae87abd 3251 const int *basic_rates)
31357268
JM		 3252{
3253 struct wpa_driver_nl80211_data *drv = bss->drv;
3254 struct nl_msg *msg;
3255
13f83980 3256 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM		 3257 (cts >= 0 &&
3258 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3259 (preamble >= 0 &&
3260 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3261 (slot >= 0 &&
3262 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3263 (ht_opmode >= 0 &&
3264 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3265 (ap_isolate >= 0 &&
cae87abd
JM		 3266 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3267 nl80211_put_basic_rates(msg, basic_rates)) {
3268 nlmsg_free(msg);
3269 return -ENOBUFS;
e5693c47
JM		 3270 }
3271
31357268 3272 return send_and_recv_msgs(drv, msg, NULL, NULL);
31357268
JM		 3273}
3274
3275
3c4ca363
VN		 3276static int wpa_driver_nl80211_set_acl(void *priv,
3277 struct hostapd_acl_params *params)
3278{
3279 struct i802_bss *bss = priv;
3280 struct wpa_driver_nl80211_data *drv = bss->drv;
3281 struct nl_msg *msg;
f429ec44 3282 struct nl_msg *acl;
3c4ca363 3283 unsigned int i;
a862e4a3 3284 int ret;
3c4ca363
VN		 3285
3286 if (!(drv->capa.max_acl_mac_addrs))
3287 return -ENOTSUP;
3288
3289 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3290 return -ENOTSUP;
3291
3c4ca363
VN		 3292 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3293 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3294
f429ec44
JM		 3295 acl = nlmsg_alloc();
3296 if (!acl)
3297 return -ENOMEM;
3298 for (i = 0; i < params->num_mac_acl; i++) {
3299 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3300 nlmsg_free(acl);
3301 return -ENOMEM;
3302 }
3303 }
3304
9725b784 3305 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM		 3306 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3307 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3308 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
f429ec44 3309 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
a862e4a3 3310 nlmsg_free(msg);
f429ec44 3311 nlmsg_free(acl);
a862e4a3
JM		 3312 return -ENOMEM;
3313 }
f429ec44 3314 nlmsg_free(acl);
3c4ca363
VN		 3315
3316 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN		 3317 if (ret) {
3318 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3319 ret, strerror(-ret));
3320 }
3321
3c4ca363
VN		 3322 return ret;
3323}
3324
3325
85e1fad8
JM		 3326static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3327{
3328 if (beacon_int > 0) {
3329 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3330 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3331 beacon_int);
3332 }
3333
3334 return 0;
3335}
3336
3337
19c3b566
JM		 3338static int wpa_driver_nl80211_set_ap(void *priv,
3339 struct wpa_driver_ap_params *params)
d2440ba0 3340{
a2e40bb6
FF		 3341 struct i802_bss *bss = priv;
3342 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 3343 struct nl_msg *msg;
3344 u8 cmd = NL80211_CMD_NEW_BEACON;
3345 int ret;
b4fd6fab 3346 int beacon_set;
b11d1d64 3347 int num_suites;
da1080d7 3348 int smps_mode;
de4ed4a8 3349 u32 suites[10], suite;
b11d1d64 3350 u32 ver;
b4fd6fab 3351
f33c8606 3352 beacon_set = params->reenable ? 0 : bss->beacon_set;
d2440ba0 3353
d2440ba0 3354 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 3355 beacon_set);
3356 if (beacon_set)
d2440ba0
JM		 3357 cmd = NL80211_CMD_SET_BEACON;
3358
b92e08fc
JM		 3359 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3360 params->head, params->head_len);
b92e08fc
JM		 3361 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3362 params->tail, params->tail_len);
13f83980 3363 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 3364 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
b92e08fc 3365 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
b92e08fc
JM		 3366 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3367 params->ssid, params->ssid_len);
13f83980 3368 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 3369 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3370 params->head) ||
3371 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3372 params->tail) ||
85e1fad8 3373 nl80211_put_beacon_int(msg, params->beacon_int) ||
a862e4a3
JM		 3374 nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) ||
3375 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3376 goto fail;
b92e08fc
JM		 3377 if (params->proberesp && params->proberesp_len) {
3378 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3379 params->proberesp, params->proberesp_len);
a862e4a3
JM		 3380 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3381 params->proberesp))
3382 goto fail;
b92e08fc 3383 }
97a7a0b5
JM		 3384 switch (params->hide_ssid) {
3385 case NO_SSID_HIDING:
b92e08fc 3386 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM		 3387 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3388 NL80211_HIDDEN_SSID_NOT_IN_USE))
3389 goto fail;
97a7a0b5
JM		 3390 break;
3391 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 3392 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM		 3393 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3394 NL80211_HIDDEN_SSID_ZERO_LEN))
3395 goto fail;
97a7a0b5
JM		 3396 break;
3397 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 3398 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM		 3399 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3400 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3401 goto fail;
97a7a0b5
JM		 3402 break;
3403 }
b92e08fc 3404 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM		 3405 if (params->privacy &&
3406 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3407 goto fail;
b92e08fc 3408 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 3409 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3410 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3411 /* Leave out the attribute */
a862e4a3
JM		 3412 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3413 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3414 NL80211_AUTHTYPE_SHARED_KEY))
3415 goto fail;
3416 } else {
3417 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3418 NL80211_AUTHTYPE_OPEN_SYSTEM))
3419 goto fail;
3420 }
b11d1d64 3421
b92e08fc 3422 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 3423 ver = 0;
3424 if (params->wpa_version & WPA_PROTO_WPA)
3425 ver |= NL80211_WPA_VERSION_1;
3426 if (params->wpa_version & WPA_PROTO_RSN)
3427 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM		 3428 if (ver &&
3429 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3430 goto fail;
b11d1d64 3431
b92e08fc
JM		 3432 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3433 params->key_mgmt_suites);
b11d1d64
JM		 3434 num_suites = 0;
3435 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3436 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
3437 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3438 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
a862e4a3
JM		 3439 if (num_suites &&
3440 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3441 suites))
3442 goto fail;
b11d1d64 3443
533fe09b 3444 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
a862e4a3
JM		 3445 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40) &&
3446 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
3447 goto fail;
9f12614b 3448
b92e08fc
JM		 3449 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3450 params->pairwise_ciphers);
de4ed4a8
JM		 3451 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3452 suites, ARRAY_SIZE(suites));
a862e4a3
JM		 3453 if (num_suites &&
3454 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3455 num_suites * sizeof(u32), suites))
3456 goto fail;
b11d1d64 3457
b92e08fc
JM		 3458 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3459 params->group_cipher);
de4ed4a8 3460 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM		 3461 if (suite &&
3462 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3463 goto fail;
d2440ba0 3464
da1080d7
EP		 3465 switch (params->smps_mode) {
3466 case HT_CAP_INFO_SMPS_DYNAMIC:
3467 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3468 smps_mode = NL80211_SMPS_DYNAMIC;
3469 break;
3470 case HT_CAP_INFO_SMPS_STATIC:
3471 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3472 smps_mode = NL80211_SMPS_STATIC;
3473 break;
3474 default:
3475 /* invalid - fallback to smps off */
3476 case HT_CAP_INFO_SMPS_DISABLED:
3477 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3478 smps_mode = NL80211_SMPS_OFF;
3479 break;
3480 }
a862e4a3
JM		 3481 if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
3482 goto fail;
da1080d7 3483
fb91db56 3484 if (params->beacon_ies) {
b92e08fc
JM		 3485 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3486 params->beacon_ies);
a862e4a3
JM		 3487 if (nla_put(msg, NL80211_ATTR_IE,
3488 wpabuf_len(params->beacon_ies),
3489 wpabuf_head(params->beacon_ies)))
3490 goto fail;
fb91db56
JM		 3491 }
3492 if (params->proberesp_ies) {
b92e08fc
JM		 3493 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3494 params->proberesp_ies);
a862e4a3
JM		 3495 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3496 wpabuf_len(params->proberesp_ies),
3497 wpabuf_head(params->proberesp_ies)))
3498 goto fail;
fb91db56
JM		 3499 }
3500 if (params->assocresp_ies) {
b92e08fc
JM		 3501 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3502 params->assocresp_ies);
a862e4a3
JM		 3503 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3504 wpabuf_len(params->assocresp_ies),
3505 wpabuf_head(params->assocresp_ies)))
3506 goto fail;
fb91db56
JM		 3507 }
3508
a0133ee1 3509 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 3510 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3511 params->ap_max_inactivity);
a862e4a3
JM		 3512 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3513 params->ap_max_inactivity))
3514 goto fail;
a0133ee1
VT		 3515 }
3516
abb8d08b
EP		 3517#ifdef CONFIG_P2P
3518 if (params->p2p_go_ctwindow > 0) {
3519 if (drv->p2p_go_ctwindow_supported) {
3520 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
3521 params->p2p_go_ctwindow);
3522 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
3523 params->p2p_go_ctwindow))
3524 goto fail;
3525 } else {
3526 wpa_printf(MSG_INFO,
3527 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
3528 }
3529 }
3530#endif /* CONFIG_P2P */
3531
d2440ba0
JM		 3532 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3533 if (ret) {
3534 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
3535 ret, strerror(-ret));
b4fd6fab 3536 } else {
b4fd6fab 3537 bss->beacon_set = 1;
31357268 3538 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 3539 params->short_slot_time, params->ht_opmode,
e5693c47 3540 params->isolate, params->basic_rates);
e87ef751
PX		 3541 if (beacon_set && params->freq &&
3542 params->freq->bandwidth != bss->bandwidth) {
3543 wpa_printf(MSG_DEBUG,
3544 "nl80211: Update BSS %s bandwidth: %d -> %d",
3545 bss->ifname, bss->bandwidth,
3546 params->freq->bandwidth);
3547 ret = nl80211_set_channel(bss, params->freq, 1);
3548 if (ret) {
3549 wpa_printf(MSG_DEBUG,
3550 "nl80211: Frequency set failed: %d (%s)",
3551 ret, strerror(-ret));
3552 } else {
3553 wpa_printf(MSG_DEBUG,
3554 "nl80211: Frequency set succeeded for ht2040 coex");
3555 bss->bandwidth = params->freq->bandwidth;
3556 }
3557 } else if (!beacon_set) {
3558 /*
3559 * cfg80211 updates the driver on frequence change in AP
3560 * mode only at the point when beaconing is started, so
3561 * set the initial value here.
3562 */
3563 bss->bandwidth = params->freq->bandwidth;
3564 }
b4fd6fab 3565 }
d2440ba0 3566 return ret;
a862e4a3 3567fail:
5883168a 3568 nlmsg_free(msg);
d2440ba0
JM		 3569 return -ENOBUFS;
3570}
3571
3572
1c4ffa87 3573static int nl80211_put_freq_params(struct nl_msg *msg,
72b2605f 3574 const struct hostapd_freq_params *freq)
1581b38b 3575{
1fc4ab23 3576 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
a862e4a3
JM		 3577 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
3578 return -ENOBUFS;
3579
1fc4ab23
JM		 3580 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
3581 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
3582
89b800d7 3583 if (freq->vht_enabled) {
a862e4a3
JM		 3584 enum nl80211_chan_width cw;
3585
1fc4ab23 3586 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
89b800d7
JB		 3587 switch (freq->bandwidth) {
3588 case 20:
a862e4a3 3589 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB		 3590 break;
3591 case 40:
a862e4a3 3592 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB		 3593 break;
3594 case 80:
3595 if (freq->center_freq2)
a862e4a3 3596 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 3597 else
a862e4a3 3598 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB		 3599 break;
3600 case 160:
a862e4a3 3601 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB		 3602 break;
3603 default:
1c4ffa87 3604 return -EINVAL;
89b800d7 3605 }
a862e4a3 3606
1fc4ab23
JM		 3607 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
3608 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
3609 freq->center_freq1);
3610 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
3611 freq->center_freq2);
a862e4a3
JM		 3612 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
3613 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
3614 freq->center_freq1) ||
3615 (freq->center_freq2 &&
3616 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
3617 freq->center_freq2)))
3618 return -ENOBUFS;
89b800d7 3619 } else if (freq->ht_enabled) {
a862e4a3
JM		 3620 enum nl80211_channel_type ct;
3621
1fc4ab23
JM		 3622 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
3623 freq->sec_channel_offset);
89b800d7 3624 switch (freq->sec_channel_offset) {
f019981a 3625 case -1:
a862e4a3 3626 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM		 3627 break;
3628 case 1:
a862e4a3 3629 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM		 3630 break;
3631 default:
a862e4a3 3632 ct = NL80211_CHAN_HT20;
f019981a
JM		 3633 break;
3634 }
a862e4a3 3635
1fc4ab23 3636 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
a862e4a3
JM		 3637 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
3638 return -ENOBUFS;
f019981a 3639 }
1c4ffa87 3640 return 0;
1c4ffa87
AO		 3641}
3642
3643
e87ef751
PX		 3644static int nl80211_set_channel(struct i802_bss *bss,
3645 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 3646{
3647 struct wpa_driver_nl80211_data *drv = bss->drv;
3648 struct nl_msg *msg;
3649 int ret;
3650
3651 wpa_printf(MSG_DEBUG,
3652 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3653 freq->freq, freq->ht_enabled, freq->vht_enabled,
3654 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 3655
9725b784
JM		 3656 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
3657 NL80211_CMD_SET_WIPHY);
3658 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM		 3659 nlmsg_free(msg);
3660 return -1;
3661 }
1581b38b 3662
d2440ba0 3663 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 3664 if (ret == 0) {
89b800d7 3665 bss->freq = freq->freq;
1581b38b 3666 return 0;
e4fb2167 3667 }
f019981a 3668 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 3669 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM		 3670 return -1;
3671}
3672
0f4e8b4f 3673
95ab6063
AN		 3674static u32 sta_flags_nl80211(int flags)
3675{
3676 u32 f = 0;
3677
3678 if (flags & WPA_STA_AUTHORIZED)
3679 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
3680 if (flags & WPA_STA_WMM)
3681 f |= BIT(NL80211_STA_FLAG_WME);
3682 if (flags & WPA_STA_SHORT_PREAMBLE)
3683 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
3684 if (flags & WPA_STA_MFP)
3685 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 3686 if (flags & WPA_STA_TDLS_PEER)
3687 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC		 3688 if (flags & WPA_STA_AUTHENTICATED)
3689 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
95ab6063
AN		 3690
3691 return f;
3692}
3693
3694
7c7e7877
BC		 3695#ifdef CONFIG_MESH
3696static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
3697{
3698 switch (state) {
3699 case PLINK_LISTEN:
3700 return NL80211_PLINK_LISTEN;
3701 case PLINK_OPEN_SENT:
3702 return NL80211_PLINK_OPN_SNT;
3703 case PLINK_OPEN_RCVD:
3704 return NL80211_PLINK_OPN_RCVD;
3705 case PLINK_CNF_RCVD:
3706 return NL80211_PLINK_CNF_RCVD;
3707 case PLINK_ESTAB:
3708 return NL80211_PLINK_ESTAB;
3709 case PLINK_HOLDING:
3710 return NL80211_PLINK_HOLDING;
3711 case PLINK_BLOCKED:
3712 return NL80211_PLINK_BLOCKED;
3713 default:
3714 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
3715 state);
3716 }
3717 return -1;
3718}
3719#endif /* CONFIG_MESH */
3720
3721
62847751 3722static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 3723 struct hostapd_sta_add_params *params)
3724{
a2e40bb6
FF		 3725 struct i802_bss *bss = priv;
3726 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 3727 struct nl_msg *msg;
95ab6063 3728 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 3729 int ret = -ENOBUFS;
3730
45b722f1
AN		 3731 if ((params->flags & WPA_STA_TDLS_PEER) &&
3732 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
3733 return -EOPNOTSUPP;
3734
e4dea253
JM		 3735 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
3736 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM		 3737 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
3738 NL80211_CMD_NEW_STATION);
3739 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 3740 goto fail;
5551bc9c
BC		 3741
3742 if (!params->set || (params->flags & WPA_STA_TDLS_PEER)) {
5551bc9c
BC		 3743 wpa_hexdump(MSG_DEBUG, " * supported rates",
3744 params->supp_rates, params->supp_rates_len);
a862e4a3
JM		 3745 wpa_printf(MSG_DEBUG, " * capability=0x%x",
3746 params->capability);
3747 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
3748 params->supp_rates_len, params->supp_rates) ||
3749 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
3750 params->capability))
3751 goto fail;
e503861f
JM		 3752
3753 if (params->ht_capabilities) {
3754 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
3755 (u8 *) params->ht_capabilities,
3756 sizeof(*params->ht_capabilities));
a862e4a3
JM		 3757 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
3758 sizeof(*params->ht_capabilities),
3759 params->ht_capabilities))
3760 goto fail;
e503861f
JM		 3761 }
3762
3763 if (params->vht_capabilities) {
3764 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
3765 (u8 *) params->vht_capabilities,
3766 sizeof(*params->vht_capabilities));
a862e4a3
JM		 3767 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
3768 sizeof(*params->vht_capabilities),
3769 params->vht_capabilities))
3770 goto fail;
e503861f
JM		 3771 }
3772
e503861f
JM		 3773 if (params->ext_capab) {
3774 wpa_hexdump(MSG_DEBUG, " * ext_capab",
3775 params->ext_capab, params->ext_capab_len);
a862e4a3
JM		 3776 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
3777 params->ext_capab_len, params->ext_capab))
3778 goto fail;
e503861f 3779 }
5551bc9c 3780 }
45b722f1 3781 if (!params->set) {
f11b72c3
JM		 3782 if (params->aid) {
3783 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM		 3784 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
3785 goto fail;
f11b72c3
JM		 3786 } else {
3787 /*
3788 * cfg80211 validates that AID is non-zero, so we have
3789 * to make this a non-zero value for the TDLS case where
3790 * a dummy STA entry is used for now.
3791 */
3792 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
a862e4a3
JM		 3793 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
3794 goto fail;
f11b72c3 3795 }
e4dea253
JM		 3796 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
3797 params->listen_interval);
a862e4a3
JM		 3798 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
3799 params->listen_interval))
3800 goto fail;
e112764e
JM		 3801 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
3802 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM		 3803 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
3804 goto fail;
45b722f1 3805 }
05a8d422 3806
8a458116
MK		 3807 if (params->vht_opmode_enabled) {
3808 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM		 3809 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
3810 params->vht_opmode))
3811 goto fail;
8a458116
MK		 3812 }
3813
efc64886
SD		 3814 if (params->supp_channels) {
3815 wpa_hexdump(MSG_DEBUG, " * supported channels",
3816 params->supp_channels, params->supp_channels_len);
a862e4a3
JM		 3817 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
3818 params->supp_channels_len, params->supp_channels))
3819 goto fail;
efc64886
SD		 3820 }
3821
3822 if (params->supp_oper_classes) {
3823 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
3824 params->supp_oper_classes,
3825 params->supp_oper_classes_len);
a862e4a3
JM		 3826 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
3827 params->supp_oper_classes_len,
3828 params->supp_oper_classes))
3829 goto fail;
efc64886
SD		 3830 }
3831
95ab6063 3832 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC		 3833 upd.set = sta_flags_nl80211(params->flags);
3834 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
e4dea253
JM		 3835 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
3836 upd.set, upd.mask);
a862e4a3
JM		 3837 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
3838 goto fail;
95ab6063 3839
7c7e7877 3840#ifdef CONFIG_MESH
a862e4a3
JM		 3841 if (params->plink_state &&
3842 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
3843 sta_plink_state_nl80211(params->plink_state)))
3844 goto fail;
7c7e7877
BC		 3845#endif /* CONFIG_MESH */
3846
774bfa62 3847 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 3848 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
3849
e4dea253 3850 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM		 3851 if (!wme ||
3852 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
3853 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
3854 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
3855 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
3856 WMM_QOSINFO_STA_SP_MASK))
3857 goto fail;
8970bae8 3858 nla_nest_end(msg, wme);
774bfa62
EP		 3859 }
3860
0f4e8b4f 3861 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 3862 msg = NULL;
0f4e8b4f 3863 if (ret)
45b722f1
AN		 3864 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
3865 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
3866 strerror(-ret));
0f4e8b4f
JM		 3867 if (ret == -EEXIST)
3868 ret = 0;
a862e4a3 3869fail:
5883168a 3870 nlmsg_free(msg);
0f4e8b4f
JM		 3871 return ret;
3872}
3873
3874
97ed9a06
KP		 3875static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
3876{
3877#ifdef CONFIG_LIBNL3_ROUTE
3878 struct wpa_driver_nl80211_data *drv = bss->drv;
3879 struct rtnl_neigh *rn;
3880 struct nl_addr *nl_addr;
3881 int err;
3882
3883 rn = rtnl_neigh_alloc();
3884 if (!rn)
3885 return;
3886
3887 rtnl_neigh_set_family(rn, AF_BRIDGE);
3888 rtnl_neigh_set_ifindex(rn, bss->ifindex);
3889 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
3890 if (!nl_addr) {
3891 rtnl_neigh_put(rn);
3892 return;
3893 }
3894 rtnl_neigh_set_lladdr(rn, nl_addr);
3895
3896 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
3897 if (err < 0) {
3898 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
3899 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
3900 bss->ifindex, nl_geterror(err));
3901 } else {
3902 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
3903 MACSTR, MAC2STR(addr));
3904 }
3905
3906 nl_addr_put(nl_addr);
3907 rtnl_neigh_put(rn);
3908#endif /* CONFIG_LIBNL3_ROUTE */
3909}
3910
3911
59d7148a
JM		 3912static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
3913 int deauth, u16 reason_code)
0f4e8b4f 3914{
a2e40bb6 3915 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 3916 struct nl_msg *msg;
3917 int ret;
3918
13f83980 3919 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM		 3920 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
3921 (deauth == 0 &&
3922 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3923 WLAN_FC_STYPE_DISASSOC)) ||
3924 (deauth == 1 &&
3925 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3926 WLAN_FC_STYPE_DEAUTH)) ||
3927 (reason_code &&
3928 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
3929 nlmsg_free(msg);
3930 return -ENOBUFS;
3931 }
0f4e8b4f
JM		 3932
3933 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 3934 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
3935 " --> %d (%s)",
3936 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 3937
3938 if (drv->rtnl_sk)
3939 rtnl_neigh_delete_fdb_entry(bss, addr);
3940
0f4e8b4f
JM		 3941 if (ret == -ENOENT)
3942 return 0;
3943 return ret;
0f4e8b4f
JM		 3944}
3945
1581b38b 3946
f3407c66 3947void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM		 3948{
3949 struct nl_msg *msg;
de884303 3950 struct wpa_driver_nl80211_data *drv2;
0915d02c 3951
c6e8e8e4
JM		 3952 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
3953
2135f224 3954 /* stop listening for EAPOL on this interface */
de884303
JM		 3955 dl_list_for_each(drv2, &drv->global->interfaces,
3956 struct wpa_driver_nl80211_data, list)
3957 del_ifidx(drv2, ifidx);
2135f224 3958
95376e1a 3959 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 3960 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
3961 return;
e748062b 3962 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 3963}
3964
3965
a1922f93
JM		 3966static const char * nl80211_iftype_str(enum nl80211_iftype mode)
3967{
3968 switch (mode) {
3969 case NL80211_IFTYPE_ADHOC:
3970 return "ADHOC";
3971 case NL80211_IFTYPE_STATION:
3972 return "STATION";
3973 case NL80211_IFTYPE_AP:
3974 return "AP";
1045ec36
JM		 3975 case NL80211_IFTYPE_AP_VLAN:
3976 return "AP_VLAN";
3977 case NL80211_IFTYPE_WDS:
3978 return "WDS";
a1922f93
JM		 3979 case NL80211_IFTYPE_MONITOR:
3980 return "MONITOR";
1045ec36
JM		 3981 case NL80211_IFTYPE_MESH_POINT:
3982 return "MESH_POINT";
a1922f93
JM		 3983 case NL80211_IFTYPE_P2P_CLIENT:
3984 return "P2P_CLIENT";
3985 case NL80211_IFTYPE_P2P_GO:
3986 return "P2P_GO";
7aad838c
NS		 3987 case NL80211_IFTYPE_P2P_DEVICE:
3988 return "P2P_DEVICE";
a1922f93
JM		 3989 default:
3990 return "unknown";
3991 }
3992}
3993
3994
a35187e7
KH		 3995static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
3996 const char *ifname,
3997 enum nl80211_iftype iftype,
d6dcfcda
DS		 3998 const u8 *addr, int wds,
3999 int (*handler)(struct nl_msg *, void *),
4000 void *arg)
0915d02c 4001{
8970bae8 4002 struct nl_msg *msg;
0915d02c
JM		 4003 int ifidx;
4004 int ret = -ENOBUFS;
4005
a1922f93
JM		 4006 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4007 iftype, nl80211_iftype_str(iftype));
4008
56f77852
JM		 4009 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4010 if (!msg ||
a862e4a3
JM		 4011 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4012 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4013 goto fail;
0915d02c
JM		 4014
4015 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 4016 struct nlattr *flags;
0915d02c 4017
8970bae8 4018 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM		 4019 if (!flags ||
4020 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4021 goto fail;
0915d02c 4022
8970bae8 4023 nla_nest_end(msg, flags);
fbbfcbac 4024 } else if (wds) {
a862e4a3
JM		 4025 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4026 goto fail;
0915d02c
JM		 4027 }
4028
52f5877a
IP		 4029 /*
4030 * Tell cfg80211 that the interface belongs to the socket that created
4031 * it, and the interface should be deleted when the socket is closed.
4032 */
a862e4a3
JM		 4033 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4034 goto fail;
52f5877a 4035
d6dcfcda 4036 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 4037 msg = NULL;
0915d02c 4038 if (ret) {
a862e4a3 4039 fail:
5883168a 4040 nlmsg_free(msg);
a35187e7
KH		 4041 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4042 ifname, ret, strerror(-ret));
0915d02c
JM		 4043 return ret;
4044 }
4045
f632e483 4046 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 4047 return 0;
6bae92e0 4048
0915d02c 4049 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 4050 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4051 ifname, ifidx);
0915d02c
JM		 4052
4053 if (ifidx <= 0)
4054 return -1;
4055
147848ec
JM		 4056 /*
4057 * Some virtual interfaces need to process EAPOL packets and events on
4058 * the parent interface. This is used mainly with hostapd.
4059 */
4060 if (drv->hostapd ||
4061 iftype == NL80211_IFTYPE_AP_VLAN ||
4062 iftype == NL80211_IFTYPE_WDS ||
4063 iftype == NL80211_IFTYPE_MONITOR) {
4064 /* start listening for EAPOL on this interface */
4065 add_ifidx(drv, ifidx);
4066 }
2135f224 4067
7bfc47c3 4068 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 4069 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 4070 nl80211_remove_iface(drv, ifidx);
4071 return -1;
2135f224 4072 }
2135f224 4073
0915d02c
JM		 4074 return ifidx;
4075}
22a7c9d7
JM		 4076
4077
f3407c66
JM		 4078int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4079 const char *ifname, enum nl80211_iftype iftype,
4080 const u8 *addr, int wds,
4081 int (*handler)(struct nl_msg *, void *),
4082 void *arg, int use_existing)
a35187e7
KH		 4083{
4084 int ret;
4085
d6dcfcda
DS		 4086 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4087 arg);
a35187e7 4088
ffbf1eaa 4089 /* if error occurred and interface exists already */
a35187e7 4090 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 4091 if (use_existing) {
4092 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4093 ifname);
6997f8ba
JM		 4094 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4095 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4096 addr) < 0 &&
4097 (linux_set_iface_flags(drv->global->ioctl_sock,
4098 ifname, 0) < 0 ||
4099 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4100 addr) < 0 ||
4101 linux_set_iface_flags(drv->global->ioctl_sock,
4102 ifname, 1) < 0))
4103 return -1;
2aec4f3c
JM		 4104 return -ENFILE;
4105 }
a35187e7
KH		 4106 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4107
4108 /* Try to remove the interface that was already there. */
4109 nl80211_remove_iface(drv, if_nametoindex(ifname));
4110
4111 /* Try to create the interface again */
fbbfcbac 4112 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 4113 wds, handler, arg);
a35187e7
KH		 4114 }
4115
3e208481
JM		 4116 if (ret >= 0 && is_p2p_net_interface(iftype)) {
4117 wpa_printf(MSG_DEBUG,
4118 "nl80211: Interface %s created for P2P - disable 11b rates",
4119 ifname);
4e5cb1a3 4120 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 4121 }
4e5cb1a3 4122
a35187e7
KH		 4123 return ret;
4124}
0915d02c 4125
2135f224 4126
3fd1cefb
JB		 4127static int nl80211_setup_ap(struct i802_bss *bss)
4128{
4129 struct wpa_driver_nl80211_data *drv = bss->drv;
4130
748c0ac0
JM		 4131 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4132 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 4133
a11241fa
JB		 4134 /*
4135 * Disable Probe Request reporting unless we need it in this way for
4136 * devices that include the AP SME, in the other case (unless using
4137 * monitor iface) we'll get it through the nl_mgmt socket instead.
4138 */
4139 if (!drv->device_ap_sme)
4140 wpa_driver_nl80211_probe_req_report(bss, 0);
4141
4142 if (!drv->device_ap_sme && !drv->use_monitor)
4143 if (nl80211_mgmt_subscribe_ap(bss))
4144 return -1;
4145
a6cc0602
JM		 4146 if (drv->device_ap_sme && !drv->use_monitor)
4147 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
4148 return -1;
4149
a11241fa 4150 if (!drv->device_ap_sme && drv->use_monitor &&
3fd1cefb
JB		 4151 nl80211_create_monitor_interface(drv) &&
4152 !drv->device_ap_sme)
4153 return -1;
4154
4155 if (drv->device_ap_sme &&
4156 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
4157 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
4158 "Probe Request frame reporting in AP mode");
4159 /* Try to survive without this */
4160 }
4161
4162 return 0;
4163}
4164
4165
4166static void nl80211_teardown_ap(struct i802_bss *bss)
4167{
4168 struct wpa_driver_nl80211_data *drv = bss->drv;
4169
748c0ac0
JM		 4170 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
4171 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 4172 if (drv->device_ap_sme) {
3fd1cefb 4173 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 4174 if (!drv->use_monitor)
4175 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
4176 } else if (drv->use_monitor)
3fd1cefb 4177 nl80211_remove_monitor_interface(drv);
a11241fa 4178 else
36488c05 4179 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 4180
3fd1cefb
JB		 4181 bss->beacon_set = 0;
4182}
4183
4184
f10bfc9a
JM		 4185static int nl80211_send_eapol_data(struct i802_bss *bss,
4186 const u8 *addr, const u8 *data,
d12dab4c 4187 size_t data_len)
f10bfc9a 4188{
d12dab4c
JB		 4189 struct sockaddr_ll ll;
4190 int ret;
4191
4192 if (bss->drv->eapol_tx_sock < 0) {
4193 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 4194 return -1;
4195 }
4196
d12dab4c
JB		 4197 os_memset(&ll, 0, sizeof(ll));
4198 ll.sll_family = AF_PACKET;
4199 ll.sll_ifindex = bss->ifindex;
4200 ll.sll_protocol = htons(ETH_P_PAE);
4201 ll.sll_halen = ETH_ALEN;
4202 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
4203 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
4204 (struct sockaddr *) &ll, sizeof(ll));
4205 if (ret < 0)
4206 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
4207 strerror(errno));
4208
4209 return ret;
f10bfc9a 4210}
5fb1a232 4211
f10bfc9a 4212
db149ac9
JM		 4213static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4214
4215static int wpa_driver_nl80211_hapd_send_eapol(
4216 void *priv, const u8 *addr, const u8 *data,
4378fc14 4217 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 4218{
a2e40bb6
FF		 4219 struct i802_bss *bss = priv;
4220 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 4221 struct ieee80211_hdr *hdr;
4222 size_t len;
4223 u8 *pos;
4224 int res;
4378fc14 4225 int qos = flags & WPA_STA_WMM;
db149ac9 4226
a11241fa 4227 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 4228 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 4229
db149ac9
JM		 4230 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4231 data_len;
4232 hdr = os_zalloc(len);
4233 if (hdr == NULL) {
7ac3616d
JM		 4234 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4235 (unsigned long) len);
db149ac9
JM		 4236 return -1;
4237 }
4238
4239 hdr->frame_control =
4240 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4241 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4242 if (encrypt)
4243 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 4244 if (qos) {
4245 hdr->frame_control |=
4246 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4247 }
db149ac9
JM		 4248
4249 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4250 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4251 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4252 pos = (u8 *) (hdr + 1);
4253
db149ac9 4254 if (qos) {
92d521d8
FF		 4255 /* Set highest priority in QoS header */
4256 pos[0] = 7;
db149ac9
JM		 4257 pos[1] = 0;
4258 pos += 2;
4259 }
db149ac9
JM		 4260
4261 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4262 pos += sizeof(rfc1042_header);
4263 WPA_PUT_BE16(pos, ETH_P_PAE);
4264 pos += 2;
4265 memcpy(pos, data, data_len);
4266
55231068 4267 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
2d3943ce 4268 0, 0, 0, 0, NULL, 0);
db149ac9
JM		 4269 if (res < 0) {
4270 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4271 "failed: %d (%s)",
4272 (unsigned long) len, errno, strerror(errno));
4273 }
7bf12757 4274 os_free(hdr);
db149ac9
JM		 4275
4276 return res;
4277}
4278
a8d6ffa4 4279
3234cba4 4280static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
f97e3ce4
JM		 4281 unsigned int total_flags,
4282 unsigned int flags_or,
4283 unsigned int flags_and)
a8d6ffa4 4284{
a2e40bb6 4285 struct i802_bss *bss = priv;
8970bae8
JB		 4286 struct nl_msg *msg;
4287 struct nlattr *flags;
7e76ee9c 4288 struct nl80211_sta_flag_update upd;
a8d6ffa4 4289
0cd9846c
JM		 4290 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4291 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4292 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4293 !!(total_flags & WPA_STA_AUTHORIZED));
4294
13f83980 4295 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 4296 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4297 goto fail;
a8d6ffa4 4298
7e76ee9c
JM		 4299 /*
4300 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4301 * can be removed eventually.
4302 */
8970bae8 4303 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM		 4304 if (!flags ||
4305 ((total_flags & WPA_STA_AUTHORIZED) &&
4306 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4307 ((total_flags & WPA_STA_WMM) &&
4308 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4309 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4310 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4311 ((total_flags & WPA_STA_MFP) &&
4312 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4313 ((total_flags & WPA_STA_TDLS_PEER) &&
4314 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4315 goto fail;
45b722f1 4316
8970bae8 4317 nla_nest_end(msg, flags);
a8d6ffa4 4318
7e76ee9c
JM		 4319 os_memset(&upd, 0, sizeof(upd));
4320 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4321 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM		 4322 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4323 goto fail;
7e76ee9c 4324
13f83980 4325 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 4326fail:
5883168a 4327 nlmsg_free(msg);
a8d6ffa4
JM		 4328 return -ENOBUFS;
4329}
4330
0915d02c 4331
1581b38b
JM		 4332static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4333 struct wpa_driver_associate_params *params)
4334{
708bc8e0 4335 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 4336
4337 if (params->p2p) {
046b26a2
JM		 4338 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4339 "group (GO)");
b1f625e0
EP		 4340 nlmode = NL80211_IFTYPE_P2P_GO;
4341 } else
4342 nlmode = NL80211_IFTYPE_AP;
4343
708bc8e0 4344 old_mode = drv->nlmode;
834ee56f 4345 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 4346 nl80211_remove_monitor_interface(drv);
4347 return -1;
4348 }
4349
6e9023ea
JM		 4350 if (params->freq.freq &&
4351 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 4352 if (old_mode != nlmode)
834ee56f 4353 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 4354 nl80211_remove_monitor_interface(drv);
1581b38b 4355 return -1;
0915d02c 4356 }
1581b38b 4357
1581b38b
JM		 4358 return 0;
4359}
1581b38b
JM		 4360
4361
666e508c
JM		 4362static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4363 int reset_mode)
5cc4d64b
JM		 4364{
4365 struct nl_msg *msg;
9725b784 4366 int ret;
a862e4a3 4367
9725b784 4368 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 4369 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM		 4370 if (ret) {
4371 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4372 "(%s)", ret, strerror(-ret));
9725b784
JM		 4373 } else {
4374 wpa_printf(MSG_DEBUG,
4375 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM		 4376 }
4377
666e508c
JM		 4378 if (reset_mode &&
4379 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 4380 NL80211_IFTYPE_STATION)) {
4381 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4382 "station mode");
4383 }
4384
5cc4d64b
JM		 4385 return ret;
4386}
4387
4388
95ff3069
JD		 4389static int nl80211_ht_vht_overrides(struct nl_msg *msg,
4390 struct wpa_driver_associate_params *params)
4391{
4392 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4393 return -1;
4394
4395 if (params->htcaps && params->htcaps_mask) {
4396 int sz = sizeof(struct ieee80211_ht_capabilities);
4397 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
4398 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4399 params->htcaps_mask, sz);
4400 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4401 params->htcaps) ||
4402 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4403 params->htcaps_mask))
4404 return -1;
4405 }
4406
4407#ifdef CONFIG_VHT_OVERRIDES
4408 if (params->disable_vht) {
4409 wpa_printf(MSG_DEBUG, " * VHT disabled");
4410 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4411 return -1;
4412 }
4413
4414 if (params->vhtcaps && params->vhtcaps_mask) {
4415 int sz = sizeof(struct ieee80211_vht_capabilities);
4416 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
4417 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
4418 params->vhtcaps_mask, sz);
4419 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
4420 params->vhtcaps) ||
4421 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
4422 params->vhtcaps_mask))
4423 return -1;
4424 }
4425#endif /* CONFIG_VHT_OVERRIDES */
4426
4427 return 0;
4428}
4429
4430
5cc4d64b
JM		 4431static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
4432 struct wpa_driver_associate_params *params)
4433{
4434 struct nl_msg *msg;
4435 int ret = -1;
4436 int count = 0;
4437
4438 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
4439
4ec68377 4440 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 4441 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4442 "IBSS mode");
4443 return -1;
4444 }
4445
4446retry:
9725b784 4447 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM		 4448 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
4449 goto fail;
5cc4d64b
JM		 4450
4451 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4452 params->ssid, params->ssid_len);
a862e4a3
JM		 4453 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4454 goto fail;
5cc4d64b
JM		 4455 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4456 drv->ssid_len = params->ssid_len;
4457
85e1fad8
JM		 4458 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
4459 nl80211_put_beacon_int(msg, params->beacon_int))
a862e4a3 4460 goto fail;
5cc4d64b
JM		 4461
4462 ret = nl80211_set_conn_keys(params, msg);
4463 if (ret)
a862e4a3 4464 goto fail;
5cc4d64b 4465
913e3cf7
NC		 4466 if (params->bssid && params->fixed_bssid) {
4467 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
4468 MAC2STR(params->bssid));
a862e4a3
JM		 4469 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4470 goto fail;
913e3cf7
NC		 4471 }
4472
4d9e6fba
JD		 4473 if (params->fixed_freq) {
4474 wpa_printf(MSG_DEBUG, " * fixed_freq");
4475 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
4476 goto fail;
4477 }
4478
4848a38d
JM		 4479 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4480 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4481 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4482 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 4483 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM		 4484 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4485 goto fail;
e640888c
AQ		 4486 }
4487
a95795ad
JM		 4488 if (params->wpa_ie) {
4489 wpa_hexdump(MSG_DEBUG,
4490 " * Extra IEs for Beacon/Probe Response frames",
4491 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 4492 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
4493 params->wpa_ie))
4494 goto fail;
a95795ad
JM		 4495 }
4496
95ff3069
JD		 4497 if (nl80211_ht_vht_overrides(msg, params) < 0)
4498 return -1;
4499
5cc4d64b
JM		 4500 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4501 msg = NULL;
4502 if (ret) {
4503 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
4504 ret, strerror(-ret));
4505 count++;
4506 if (ret == -EALREADY && count == 1) {
4507 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
4508 "forced leave");
666e508c 4509 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM		 4510 nlmsg_free(msg);
4511 goto retry;
4512 }
a862e4a3
JM		 4513 } else {
4514 wpa_printf(MSG_DEBUG,
4515 "nl80211: Join IBSS request sent successfully");
5cc4d64b 4516 }
5cc4d64b 4517
a862e4a3 4518fail:
5cc4d64b
JM		 4519 nlmsg_free(msg);
4520 return ret;
4521}
4522
4523
a0bdd191
JM		 4524static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
4525 struct wpa_driver_associate_params *params,
4526 struct nl_msg *msg)
cfaab580 4527{
cfaab580
ZY		 4528 if (params->bssid) {
4529 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4530 MAC2STR(params->bssid));
a862e4a3
JM		 4531 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4532 return -1;
cfaab580 4533 }
a0bdd191 4534
7ac7fd43
DS		 4535 if (params->bssid_hint) {
4536 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
4537 MAC2STR(params->bssid_hint));
a862e4a3
JM		 4538 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
4539 params->bssid_hint))
4540 return -1;
7ac7fd43
DS		 4541 }
4542
4ec68377
JD		 4543 if (params->freq.freq) {
4544 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM		 4545 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
4546 params->freq.freq))
4547 return -1;
4ec68377 4548 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 4549 } else
4550 drv->assoc_freq = 0;
a0bdd191 4551
7ac7fd43
DS		 4552 if (params->freq_hint) {
4553 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM		 4554 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
4555 params->freq_hint))
4556 return -1;
7ac7fd43
DS		 4557 }
4558
1f6c0ab8
BS		 4559 if (params->bg_scan_period >= 0) {
4560 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
4561 params->bg_scan_period);
a862e4a3
JM		 4562 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
4563 params->bg_scan_period))
4564 return -1;
1f6c0ab8 4565 }
a0bdd191 4566
cfaab580
ZY		 4567 if (params->ssid) {
4568 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4569 params->ssid, params->ssid_len);
a862e4a3
JM		 4570 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4571 params->ssid))
4572 return -1;
cfaab580 4573 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 4574 return -1;
cfaab580
ZY		 4575 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4576 drv->ssid_len = params->ssid_len;
4577 }
a0bdd191 4578
cfaab580 4579 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 4580 if (params->wpa_ie &&
4581 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
4582 return -1;
cfaab580 4583
64fa840a
JM		 4584 if (params->wpa_proto) {
4585 enum nl80211_wpa_versions ver = 0;
cfaab580 4586
64fa840a
JM		 4587 if (params->wpa_proto & WPA_PROTO_WPA)
4588 ver |= NL80211_WPA_VERSION_1;
4589 if (params->wpa_proto & WPA_PROTO_RSN)
4590 ver |= NL80211_WPA_VERSION_2;
cfaab580 4591
64fa840a 4592 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM		 4593 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4594 return -1;
cfaab580
ZY		 4595 }
4596
4848a38d 4597 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 4598 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
4599 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM		 4600 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4601 cipher))
4602 return -1;
cfaab580
ZY		 4603 }
4604
ae6f9272
JM		 4605 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
4606 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
4607 /*
4608 * This is likely to work even though many drivers do not
4609 * advertise support for operations without GTK.
4610 */
4611 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4612 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 4613 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
4614 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM		 4615 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
4616 return -1;
cfaab580
ZY		 4617 }
4618
4848a38d
JM		 4619 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4620 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4621 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
4622 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 4623 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 4624 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
4625 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8 4626 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5e3b5197
JM		 4627 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
4628 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
cfaab580
ZY		 4629 int mgmt = WLAN_AKM_SUITE_PSK;
4630
4631 switch (params->key_mgmt_suite) {
4848a38d 4632 case WPA_KEY_MGMT_CCKM:
369c8d7b
JM		 4633 mgmt = WLAN_AKM_SUITE_CCKM;
4634 break;
4848a38d 4635 case WPA_KEY_MGMT_IEEE8021X:
cfaab580
ZY		 4636 mgmt = WLAN_AKM_SUITE_8021X;
4637 break;
4848a38d 4638 case WPA_KEY_MGMT_FT_IEEE8021X:
6a1ce395
DG		 4639 mgmt = WLAN_AKM_SUITE_FT_8021X;
4640 break;
4848a38d 4641 case WPA_KEY_MGMT_FT_PSK:
6a1ce395
DG		 4642 mgmt = WLAN_AKM_SUITE_FT_PSK;
4643 break;
8802326f
JJ		 4644 case WPA_KEY_MGMT_IEEE8021X_SHA256:
4645 mgmt = WLAN_AKM_SUITE_8021X_SHA256;
4646 break;
4647 case WPA_KEY_MGMT_PSK_SHA256:
4648 mgmt = WLAN_AKM_SUITE_PSK_SHA256;
4649 break;
163f801e
JM		 4650 case WPA_KEY_MGMT_OSEN:
4651 mgmt = WLAN_AKM_SUITE_OSEN;
4652 break;
666497c8
JM		 4653 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
4654 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
4655 break;
5e3b5197
JM		 4656 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
4657 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B_192;
4658 break;
4848a38d 4659 case WPA_KEY_MGMT_PSK:
cfaab580
ZY		 4660 default:
4661 mgmt = WLAN_AKM_SUITE_PSK;
4662 break;
4663 }
163f801e 4664 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM		 4665 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
4666 return -1;
cfaab580
ZY		 4667 }
4668
a862e4a3
JM		 4669 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4670 return -1;
a0bdd191 4671
a862e4a3
JM		 4672 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
4673 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
4674 return -1;
a565084f 4675
58162adf
AK		 4676 if (params->rrm_used) {
4677 u32 drv_rrm_flags = drv->capa.rrm_flags;
4678 if (!(drv_rrm_flags &
4679 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) ||
a862e4a3
JM		 4680 !(drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET) ||
4681 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
4682 return -1;
58162adf
AK		 4683 }
4684
95ff3069 4685 if (nl80211_ht_vht_overrides(msg, params) < 0)
a862e4a3 4686 return -1;
80e8a5ee 4687
a0bdd191
JM		 4688 if (params->p2p)
4689 wpa_printf(MSG_DEBUG, " * P2P group");
4690
4691 return 0;
a0bdd191
JM		 4692}
4693
4694
4695static int wpa_driver_nl80211_try_connect(
4696 struct wpa_driver_nl80211_data *drv,
4697 struct wpa_driver_associate_params *params)
4698{
4699 struct nl_msg *msg;
4700 enum nl80211_auth_type type;
4701 int ret;
4702 int algs;
4703
b658547d 4704#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 4705 if (params->req_key_mgmt_offload && params->psk &&
4706 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4707 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4708 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
4709 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
4710 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
4711 if (ret)
4712 return ret;
4713 }
b658547d 4714#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 4715
9725b784
JM		 4716 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
4717 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM		 4718 if (!msg)
4719 return -1;
4720
a0bdd191
JM		 4721 ret = nl80211_connect_common(drv, params, msg);
4722 if (ret)
a862e4a3 4723 goto fail;
a0bdd191
JM		 4724
4725 algs = 0;
4726 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4727 algs++;
4728 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4729 algs++;
4730 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4731 algs++;
4732 if (algs > 1) {
4733 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
4734 "selection");
4735 goto skip_auth_type;
4736 }
4737
4738 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4739 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
4740 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4741 type = NL80211_AUTHTYPE_SHARED_KEY;
4742 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4743 type = NL80211_AUTHTYPE_NETWORK_EAP;
4744 else if (params->auth_alg & WPA_AUTH_ALG_FT)
4745 type = NL80211_AUTHTYPE_FT;
4746 else
a862e4a3 4747 goto fail;
a0bdd191
JM		 4748
4749 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
a862e4a3
JM		 4750 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
4751 goto fail;
a0bdd191
JM		 4752
4753skip_auth_type:
cfaab580
ZY		 4754 ret = nl80211_set_conn_keys(params, msg);
4755 if (ret)
a862e4a3 4756 goto fail;
cfaab580
ZY		 4757
4758 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4759 msg = NULL;
4760 if (ret) {
4761 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
4762 "(%s)", ret, strerror(-ret));
a862e4a3
JM		 4763 } else {
4764 wpa_printf(MSG_DEBUG,
4765 "nl80211: Connect request send successfully");
cfaab580 4766 }
cfaab580 4767
a862e4a3 4768fail:
cfaab580
ZY		 4769 nlmsg_free(msg);
4770 return ret;
4771
4772}
4773
4774
a8c5b43a
CW		 4775static int wpa_driver_nl80211_connect(
4776 struct wpa_driver_nl80211_data *drv,
4777 struct wpa_driver_associate_params *params)
4778{
0d4e3d1d
JJ		 4779 int ret;
4780
4781 /* Store the connection attempted bssid for future use */
4782 if (params->bssid)
4783 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
4784 else
4785 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
4786
4787 ret = wpa_driver_nl80211_try_connect(drv, params);
a8c5b43a
CW		 4788 if (ret == -EALREADY) {
4789 /*
4790 * cfg80211 does not currently accept new connections if
4791 * we are already connected. As a workaround, force
4792 * disconnection and try again.
4793 */
4794 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
4795 "disconnecting before reassociation "
4796 "attempt");
4797 if (wpa_driver_nl80211_disconnect(
4798 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
4799 return -1;
a8c5b43a
CW		 4800 ret = wpa_driver_nl80211_try_connect(drv, params);
4801 }
4802 return ret;
4803}
4804
4805
c2a04078
JM		 4806static int wpa_driver_nl80211_associate(
4807 void *priv, struct wpa_driver_associate_params *params)
4808{
a2e40bb6
FF		 4809 struct i802_bss *bss = priv;
4810 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 4811 int ret = -1;
c2a04078
JM		 4812 struct nl_msg *msg;
4813
4bd71954
JM		 4814 nl80211_unmask_11b_rates(bss);
4815
5cc4d64b 4816 if (params->mode == IEEE80211_MODE_AP)
1581b38b 4817 return wpa_driver_nl80211_ap(drv, params);
1581b38b 4818
5cc4d64b
JM		 4819 if (params->mode == IEEE80211_MODE_IBSS)
4820 return wpa_driver_nl80211_ibss(drv, params);
4821
4a867032 4822 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 4823 enum nl80211_iftype nlmode = params->p2p ?
4824 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
4825
4826 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 4827 return -1;
cfaab580 4828 return wpa_driver_nl80211_connect(drv, params);
4a867032 4829 }
cfaab580 4830
add9b7a4 4831 nl80211_mark_disconnected(drv);
c2a04078 4832
c2a04078
JM		 4833 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
4834 drv->ifindex);
9725b784
JM		 4835 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
4836 if (!msg)
4837 return -1;
c2a04078 4838
a0bdd191
JM		 4839 ret = nl80211_connect_common(drv, params, msg);
4840 if (ret)
a862e4a3 4841 goto fail;
01652550 4842
62fa124c
JM		 4843 if (params->prev_bssid) {
4844 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
4845 MAC2STR(params->prev_bssid));
a862e4a3
JM		 4846 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
4847 params->prev_bssid))
4848 goto fail;
62fa124c
JM		 4849 }
4850
c2a04078
JM		 4851 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4852 msg = NULL;
4853 if (ret) {
3b7ea880
BG		 4854 wpa_dbg(drv->ctx, MSG_DEBUG,
4855 "nl80211: MLME command failed (assoc): ret=%d (%s)",
4856 ret, strerror(-ret));
8856462d 4857 nl80211_dump_scan(drv);
a862e4a3
JM		 4858 } else {
4859 wpa_printf(MSG_DEBUG,
4860 "nl80211: Association request send successfully");
c2a04078 4861 }
c2a04078 4862
a862e4a3 4863fail:
c2a04078
JM		 4864 nlmsg_free(msg);
4865 return ret;
4866}
3f5285e8
JM		 4867
4868
ad1e68e6 4869static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 4870 int ifindex, enum nl80211_iftype mode)
3f5285e8 4871{
3f5285e8 4872 struct nl_msg *msg;
ad1e68e6
JM		 4873 int ret = -ENOBUFS;
4874
a1922f93
JM		 4875 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
4876 ifindex, mode, nl80211_iftype_str(mode));
4877
56f77852
JM		 4878 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
4879 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 4880 goto fail;
ad1e68e6
JM		 4881
4882 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4883 msg = NULL;
ad1e68e6
JM		 4884 if (!ret)
4885 return 0;
a862e4a3 4886fail:
5883168a 4887 nlmsg_free(msg);
ad1e68e6
JM		 4888 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
4889 " %d (%s)", ifindex, mode, ret, strerror(-ret));
4890 return ret;
4891}
4892
4893
3c5d34e3
CW		 4894static int wpa_driver_nl80211_set_mode_impl(
4895 struct i802_bss *bss,
4896 enum nl80211_iftype nlmode,
4897 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 4898{
a2e40bb6 4899 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 4900 int ret = -1;
26af9dca 4901 int i;
86957e62 4902 int was_ap = is_ap_interface(drv->nlmode);
671a5039 4903 int res;
ebffdbc4 4904 int mode_switch_res;
1581b38b 4905
ebffdbc4
CW		 4906 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4907 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
4908 mode_switch_res = 0;
8e12685c 4909
ebffdbc4 4910 if (mode_switch_res == 0) {
ad1e68e6 4911 drv->nlmode = nlmode;
460456f8
JM		 4912 ret = 0;
4913 goto done;
ad1e68e6 4914 }
3f5285e8 4915
ebffdbc4 4916 if (mode_switch_res == -ENODEV)
671a5039
JM		 4917 return -1;
4918
460456f8 4919 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 4920 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
4921 "requested mode - ignore error");
460456f8
JM		 4922 ret = 0;
4923 goto done; /* Already in the requested mode */
4924 }
3f5285e8 4925
3f5285e8
JM		 4926 /* mac80211 doesn't allow mode changes while the device is up, so
4927 * take the device down, try to set the mode again, and bring the
4928 * device back up.
4929 */
26af9dca
JM		 4930 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
4931 "interface down");
4932 for (i = 0; i < 10; i++) {
91724d6f 4933 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 4934 if (res == -EACCES || res == -ENODEV)
4935 break;
ebffdbc4 4936 if (res != 0) {
26af9dca
JM		 4937 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
4938 "interface down");
ebffdbc4
CW		 4939 os_sleep(0, 100000);
4940 continue;
4941 }
3c5d34e3
CW		 4942
4943 /*
4944 * Setting the mode will fail for some drivers if the phy is
4945 * on a frequency that the mode is disallowed in.
4946 */
4947 if (desired_freq_params) {
bdf5ccb2 4948 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW		 4949 if (res) {
4950 wpa_printf(MSG_DEBUG,
4951 "nl80211: Failed to set frequency on interface");
4952 }
4953 }
4954
ebffdbc4
CW		 4955 /* Try to set the mode again while the interface is down */
4956 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4957 if (mode_switch_res == -EBUSY) {
4958 wpa_printf(MSG_DEBUG,
4959 "nl80211: Delaying mode set while interface going down");
4960 os_sleep(0, 100000);
4961 continue;
4962 }
4963 ret = mode_switch_res;
4964 break;
3f5285e8
JM		 4965 }
4966
c6e8e8e4
JM		 4967 if (!ret) {
4968 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
4969 "interface is down");
ad1e68e6 4970 drv->nlmode = nlmode;
7d9c3698 4971 drv->ignore_if_down_event = 1;
c6e8e8e4 4972 }
ad1e68e6 4973
ebffdbc4
CW		 4974 /* Bring the interface back up */
4975 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
4976 if (res != 0) {
4977 wpa_printf(MSG_DEBUG,
4978 "nl80211: Failed to set interface up after switching mode");
4979 ret = -1;
4980 }
4981
460456f8 4982done:
3fd1cefb
JB		 4983 if (ret) {
4984 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
4985 "from %d failed", nlmode, drv->nlmode);
4986 return ret;
4987 }
4988
3e208481
JM		 4989 if (is_p2p_net_interface(nlmode)) {
4990 wpa_printf(MSG_DEBUG,
4991 "nl80211: Interface %s mode change to P2P - disable 11b rates",
4992 bss->ifname);
edb9bfba 4993 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM		 4994 } else if (drv->disabled_11b_rates) {
4995 wpa_printf(MSG_DEBUG,
4996 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
4997 bss->ifname);
1d0c6fb1 4998 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 4999 }
edb9bfba 5000
3fd1cefb 5001 if (is_ap_interface(nlmode)) {
36488c05 5002 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 5003 /* Setup additional AP mode functionality if needed */
3fd1cefb 5004 if (nl80211_setup_ap(bss))
460456f8 5005 return -1;
3fd1cefb 5006 } else if (was_ap) {
460456f8 5007 /* Remove additional AP mode functionality */
3fd1cefb 5008 nl80211_teardown_ap(bss);
a11241fa 5009 } else {
36488c05 5010 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 5011 }
460456f8 5012
afb0550a
BC		 5013 if (is_mesh_interface(nlmode) &&
5014 nl80211_mgmt_subscribe_mesh(bss))
5015 return -1;
5016
873d0fcf 5017 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 5018 !is_mesh_interface(nlmode) &&
a11241fa
JB		 5019 nl80211_mgmt_subscribe_non_ap(bss) < 0)
5020 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
5021 "frame processing - ignore for now");
08359050 5022
3fd1cefb 5023 return 0;
3f5285e8
JM		 5024}
5025
5026
f3407c66
JM		 5027int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
5028 enum nl80211_iftype nlmode)
3c5d34e3
CW		 5029{
5030 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
5031}
5032
5033
4ec68377
JD		 5034static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
5035 struct hostapd_freq_params *freq)
3c5d34e3 5036{
3c5d34e3 5037 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 5038 freq);
3c5d34e3 5039}
65d645ce
AS		 5040
5041
3f5285e8
JM		 5042static int wpa_driver_nl80211_get_capa(void *priv,
5043 struct wpa_driver_capa *capa)
5044{
a2e40bb6
FF		 5045 struct i802_bss *bss = priv;
5046 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 5047
3f5285e8
JM		 5048 if (!drv->has_capability)
5049 return -1;
5050 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 5051 if (drv->extended_capa && drv->extended_capa_mask) {
5052 capa->extended_capa = drv->extended_capa;
5053 capa->extended_capa_mask = drv->extended_capa_mask;
5054 capa->extended_capa_len = drv->extended_capa_len;
5055 }
851b0c55 5056
906bc4c7 5057 return 0;
3f5285e8
JM		 5058}
5059
5060
5061static int wpa_driver_nl80211_set_operstate(void *priv, int state)
5062{
a2e40bb6
FF		 5063 struct i802_bss *bss = priv;
5064 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 5065
90a545cc
JM		 5066 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
5067 bss->ifname, drv->operstate, state,
5068 state ? "UP" : "DORMANT");
3f5285e8 5069 drv->operstate = state;
36d84860 5070 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 5071 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 5072}
5073
01652550
JM		 5074
5075static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
5076{
a2e40bb6
FF		 5077 struct i802_bss *bss = priv;
5078 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 5079 struct nl_msg *msg;
5080 struct nl80211_sta_flag_update upd;
a862e4a3 5081 int ret;
2eef5177
JM		 5082
5083 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
5084 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
5085 return 0;
5086 }
01652550 5087
1ba51ec0
JM		 5088 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
5089 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
5090
01652550
JM		 5091 os_memset(&upd, 0, sizeof(upd));
5092 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
5093 if (authorized)
5094 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 5095
13f83980 5096 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5097 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
5098 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
5099 nlmsg_free(msg);
5100 return -ENOBUFS;
5101 }
01652550 5102
2eef5177 5103 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM		 5104 if (!ret)
5105 return 0;
2eef5177
JM		 5106 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
5107 ret, strerror(-ret));
5108 return ret;
01652550
JM		 5109}
5110
3f5285e8 5111
f07ead6a
JM		 5112/* Set kernel driver on given frequency (MHz) */
5113static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 5114{
f07ead6a 5115 struct i802_bss *bss = priv;
13a524a3 5116 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 5117}
5118
f7b3920c 5119
c5121837
JM		 5120static inline int min_int(int a, int b)
5121{
5122 if (a < b)
5123 return a;
5124 return b;
5125}
5126
5127
5128static int get_key_handler(struct nl_msg *msg, void *arg)
5129{
5130 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5131 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5132
5133 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5134 genlmsg_attrlen(gnlh, 0), NULL);
5135
5136 /*
5137 * TODO: validate the key index and mac address!
5138 * Otherwise, there's a race condition as soon as
5139 * the kernel starts sending key notifications.
5140 */
5141
5142 if (tb[NL80211_ATTR_KEY_SEQ])
5143 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
5144 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
5145 return NL_SKIP;
5146}
5147
5148
5149static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
5150 int idx, u8 *seq)
5151{
a2e40bb6
FF		 5152 struct i802_bss *bss = priv;
5153 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5154 struct nl_msg *msg;
5155
95376e1a
JM		 5156 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
5157 NL80211_CMD_GET_KEY);
5158 if (!msg ||
a862e4a3 5159 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 5160 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM		 5161 nlmsg_free(msg);
5162 return -ENOBUFS;
5163 }
c5121837
JM		 5164
5165 memset(seq, 0, 6);
5166
5167 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM		 5168}
5169
5170
c5121837
JM		 5171static int i802_set_rts(void *priv, int rts)
5172{
a2e40bb6
FF		 5173 struct i802_bss *bss = priv;
5174 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 5175 struct nl_msg *msg;
a862e4a3 5176 int ret;
ad649451 5177 u32 val;
c5121837 5178
ad649451
JM		 5179 if (rts >= 2347)
5180 val = (u32) -1;
5181 else
5182 val = rts;
c5121837 5183
9725b784 5184 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 5185 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
5186 nlmsg_free(msg);
5187 return -ENOBUFS;
5188 }
ad649451
JM		 5189
5190 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5191 if (!ret)
5192 return 0;
ad649451
JM		 5193 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
5194 "%d (%s)", rts, ret, strerror(-ret));
5195 return ret;
c5121837
JM		 5196}
5197
5198
5199static int i802_set_frag(void *priv, int frag)
5200{
a2e40bb6
FF		 5201 struct i802_bss *bss = priv;
5202 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 5203 struct nl_msg *msg;
a862e4a3 5204 int ret;
ad649451 5205 u32 val;
c5121837 5206
ad649451
JM		 5207 if (frag >= 2346)
5208 val = (u32) -1;
5209 else
5210 val = frag;
c5121837 5211
9725b784 5212 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 5213 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
5214 nlmsg_free(msg);
5215 return -ENOBUFS;
5216 }
ad649451
JM		 5217
5218 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5219 if (!ret)
5220 return 0;
ad649451
JM		 5221 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
5222 "%d: %d (%s)", frag, ret, strerror(-ret));
5223 return ret;
c5121837
JM		 5224}
5225
5226
c5121837
JM		 5227static int i802_flush(void *priv)
5228{
a2e40bb6 5229 struct i802_bss *bss = priv;
c5121837 5230 struct nl_msg *msg;
82554b10 5231 int res;
c5121837 5232
83e7bb0e
JM		 5233 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5234 bss->ifname);
c5121837
JM		 5235
5236 /*
5237 * XXX: FIX! this needs to flush all VLANs too
5238 */
13f83980
JM		 5239 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5240 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM		 5241 if (res) {
5242 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5243 "(%s)", res, strerror(-res));
5244 }
5245 return res;
c5121837
JM		 5246}
5247
5248
5249static int get_sta_handler(struct nl_msg *msg, void *arg)
5250{
5251 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5252 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5253 struct hostap_sta_driver_data *data = arg;
5254 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5255 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5256 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5257 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5258 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5259 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5260 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 5261 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
c5121837
JM		 5262 };
5263
5264 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5265 genlmsg_attrlen(gnlh, 0), NULL);
5266
5267 /*
5268 * TODO: validate the interface and mac address!
5269 * Otherwise, there's a race condition as soon as
5270 * the kernel starts sending station notifications.
5271 */
5272
5273 if (!tb[NL80211_ATTR_STA_INFO]) {
5274 wpa_printf(MSG_DEBUG, "sta stats missing!");
5275 return NL_SKIP;
5276 }
5277 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5278 tb[NL80211_ATTR_STA_INFO],
5279 stats_policy)) {
5280 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5281 return NL_SKIP;
5282 }
5283
5284 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5285 data->inactive_msec =
5286 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
5287 if (stats[NL80211_STA_INFO_RX_BYTES])
5288 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5289 if (stats[NL80211_STA_INFO_TX_BYTES])
5290 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
5291 if (stats[NL80211_STA_INFO_RX_PACKETS])
5292 data->rx_packets =
5293 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5294 if (stats[NL80211_STA_INFO_TX_PACKETS])
5295 data->tx_packets =
5296 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 5297 if (stats[NL80211_STA_INFO_TX_FAILED])
5298 data->tx_retry_failed =
5299 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 5300
5301 return NL_SKIP;
5302}
5303
9ebce9c5
JM		 5304static int i802_read_sta_data(struct i802_bss *bss,
5305 struct hostap_sta_driver_data *data,
c5121837
JM		 5306 const u8 *addr)
5307{
c5121837
JM		 5308 struct nl_msg *msg;
5309
5310 os_memset(data, 0, sizeof(*data));
c5121837 5311
13f83980
JM		 5312 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
5313 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM		 5314 nlmsg_free(msg);
5315 return -ENOBUFS;
5316 }
c5121837 5317
13f83980 5318 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM		 5319}
5320
5321
c5121837
JM		 5322static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
5323 int cw_min, int cw_max, int burst_time)
5324{
a2e40bb6
FF		 5325 struct i802_bss *bss = priv;
5326 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5327 struct nl_msg *msg;
5328 struct nlattr *txq, *params;
5329
13f83980 5330 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM		 5331 if (!msg)
5332 return -1;
5333
c5121837
JM		 5334 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
5335 if (!txq)
a862e4a3 5336 goto fail;
c5121837
JM		 5337
5338 /* We are only sending parameters for a single TXQ at a time */
5339 params = nla_nest_start(msg, 1);
5340 if (!params)
a862e4a3 5341 goto fail;
c5121837 5342
7e3c1781
JM		 5343 switch (queue) {
5344 case 0:
a862e4a3
JM		 5345 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
5346 goto fail;
7e3c1781
JM		 5347 break;
5348 case 1:
a862e4a3
JM		 5349 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
5350 goto fail;
7e3c1781
JM		 5351 break;
5352 case 2:
a862e4a3
JM		 5353 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
5354 goto fail;
7e3c1781
JM		 5355 break;
5356 case 3:
a862e4a3
JM		 5357 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
5358 goto fail;
7e3c1781
JM		 5359 break;
5360 }
c5121837
JM		 5361 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5362 * 32 usec, so need to convert the value here. */
a862e4a3
JM		 5363 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
5364 (burst_time * 100 + 16) / 32) ||
5365 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
5366 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
5367 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
5368 goto fail;
c5121837
JM		 5369
5370 nla_nest_end(msg, params);
5371
5372 nla_nest_end(msg, txq);
5373
5374 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5375 return 0;
9e088e74 5376 msg = NULL;
a862e4a3 5377fail:
9e088e74 5378 nlmsg_free(msg);
c5121837
JM		 5379 return -1;
5380}
5381
5382
9ebce9c5 5383static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 5384 const char *ifname, int vlan_id)
5385{
a2e40bb6 5386 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 5387 struct nl_msg *msg;
a862e4a3 5388 int ret;
c5121837 5389
bbc706a3
JM		 5390 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5391 ", ifname=%s[%d], vlan_id=%d)",
5392 bss->ifname, if_nametoindex(bss->ifname),
5393 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 5394 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5395 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5396 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
5397 nlmsg_free(msg);
5398 return -ENOBUFS;
5399 }
c5121837 5400
cd1d72c1
JM		 5401 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5402 if (ret < 0) {
5403 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5404 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
5405 MAC2STR(addr), ifname, vlan_id, ret,
5406 strerror(-ret));
5407 }
cd1d72c1 5408 return ret;
c5121837
JM		 5409}
5410
fbbfcbac 5411
c5121837
JM		 5412static int i802_get_inact_sec(void *priv, const u8 *addr)
5413{
5414 struct hostap_sta_driver_data data;
5415 int ret;
5416
5417 data.inactive_msec = (unsigned long) -1;
5418 ret = i802_read_sta_data(priv, &data, addr);
b9749bac
MH		 5419 if (ret == -ENOENT)
5420 return -ENOENT;
c5121837
JM		 5421 if (ret || data.inactive_msec == (unsigned long) -1)
5422 return -1;
5423 return data.inactive_msec / 1000;
5424}
5425
5426
5427static int i802_sta_clear_stats(void *priv, const u8 *addr)
5428{
5429#if 0
5430 /* TODO */
5431#endif
5432 return 0;
5433}
5434
5435
731723a5
JM		 5436static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
5437 int reason)
c5121837 5438{
a2e40bb6 5439 struct i802_bss *bss = priv;
e1bd4e19 5440 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5441 struct ieee80211_mgmt mgmt;
5442
0d391b03
BC		 5443 if (is_mesh_interface(drv->nlmode))
5444 return -1;
5445
e1bd4e19 5446 if (drv->device_ap_sme)
59d7148a 5447 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 5448
c5121837
JM		 5449 memset(&mgmt, 0, sizeof(mgmt));
5450 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5451 WLAN_FC_STYPE_DEAUTH);
5452 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 5453 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5454 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 5455 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 5456 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 5457 IEEE80211_HDRLEN +
9ebce9c5 5458 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
2d3943ce 5459 0, NULL, 0);
c5121837
JM		 5460}
5461
5462
731723a5
JM		 5463static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
5464 int reason)
c5121837 5465{
a2e40bb6 5466 struct i802_bss *bss = priv;
e1bd4e19 5467 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5468 struct ieee80211_mgmt mgmt;
5469
0d391b03
BC		 5470 if (is_mesh_interface(drv->nlmode))
5471 return -1;
5472
e1bd4e19 5473 if (drv->device_ap_sme)
59d7148a 5474 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 5475
c5121837
JM		 5476 memset(&mgmt, 0, sizeof(mgmt));
5477 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5478 WLAN_FC_STYPE_DISASSOC);
5479 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 5480 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5481 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 5482 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 5483 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 5484 IEEE80211_HDRLEN +
9ebce9c5 5485 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
2d3943ce 5486 0, NULL, 0);
c5121837
JM		 5487}
5488
5489
9b4d9c8b
JM		 5490static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
5491{
5492 char buf[200], *pos, *end;
5493 int i, res;
5494
5495 pos = buf;
5496 end = pos + sizeof(buf);
5497
5498 for (i = 0; i < drv->num_if_indices; i++) {
5499 if (!drv->if_indices[i])
5500 continue;
5501 res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]);
d85e1fc8 5502 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM		 5503 break;
5504 pos += res;
5505 }
5506 *pos = '\0';
5507
5508 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
5509 drv->num_if_indices, buf);
5510}
5511
5512
f07ead6a
JM		 5513static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5514{
5515 int i;
5516 int *old;
5517
5518 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
5519 ifidx);
b36935be
MB		 5520 if (have_ifidx(drv, ifidx)) {
5521 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
5522 ifidx);
5523 return;
5524 }
f07ead6a
JM		 5525 for (i = 0; i < drv->num_if_indices; i++) {
5526 if (drv->if_indices[i] == 0) {
5527 drv->if_indices[i] = ifidx;
9b4d9c8b 5528 dump_ifidx(drv);
f07ead6a
JM		 5529 return;
5530 }
5531 }
5532
5533 if (drv->if_indices != drv->default_if_indices)
5534 old = drv->if_indices;
5535 else
5536 old = NULL;
5537
067ffa26
JM		 5538 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
5539 sizeof(int));
f07ead6a
JM		 5540 if (!drv->if_indices) {
5541 if (!old)
5542 drv->if_indices = drv->default_if_indices;
5543 else
5544 drv->if_indices = old;
5545 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
5546 "interfaces");
5547 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
5548 return;
5549 } else if (!old)
5550 os_memcpy(drv->if_indices, drv->default_if_indices,
5551 sizeof(drv->default_if_indices));
5552 drv->if_indices[drv->num_if_indices] = ifidx;
5553 drv->num_if_indices++;
9b4d9c8b 5554 dump_ifidx(drv);
f07ead6a
JM		 5555}
5556
5557
5558static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5559{
5560 int i;
5561
5562 for (i = 0; i < drv->num_if_indices; i++) {
5563 if (drv->if_indices[i] == ifidx) {
5564 drv->if_indices[i] = 0;
5565 break;
5566 }
5567 }
9b4d9c8b 5568 dump_ifidx(drv);
f07ead6a
JM		 5569}
5570
5571
5572static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5573{
5574 int i;
5575
5576 for (i = 0; i < drv->num_if_indices; i++)
5577 if (drv->if_indices[i] == ifidx)
5578 return 1;
5579
5580 return 0;
5581}
5582
5583
5584static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 5585 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 5586{
5587 struct i802_bss *bss = priv;
5588 struct wpa_driver_nl80211_data *drv = bss->drv;
5589 char name[IFNAMSIZ + 1];
5590
5591 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 5592 if (ifname_wds)
5593 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
5594
f07ead6a
JM		 5595 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
5596 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
5597 if (val) {
5598 if (!if_nametoindex(name)) {
5599 if (nl80211_create_iface(drv, name,
5600 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 5601 bss->addr, 1, NULL, NULL, 0) <
5602 0)
f07ead6a
JM		 5603 return -1;
5604 if (bridge_ifname &&
c81eff1a
BG		 5605 linux_br_add_if(drv->global->ioctl_sock,
5606 bridge_ifname, name) < 0)
f07ead6a
JM		 5607 return -1;
5608 }
75227f3a
JM		 5609 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
5610 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
5611 "interface %s up", name);
5612 }
f07ead6a
JM		 5613 return i802_set_sta_vlan(priv, addr, name, 0);
5614 } else {
c34e618d
FF		 5615 if (bridge_ifname)
5616 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
5617 name);
5618
f07ead6a 5619 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25
FF		 5620 nl80211_remove_iface(drv, if_nametoindex(name));
5621 return 0;
f07ead6a
JM		 5622 }
5623}
5624
5625
5626static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
5627{
5628 struct wpa_driver_nl80211_data *drv = eloop_ctx;
5629 struct sockaddr_ll lladdr;
5630 unsigned char buf[3000];
5631 int len;
5632 socklen_t fromlen = sizeof(lladdr);
5633
5634 len = recvfrom(sock, buf, sizeof(buf), 0,
5635 (struct sockaddr *)&lladdr, &fromlen);
5636 if (len < 0) {
7ac3616d
JM		 5637 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
5638 strerror(errno));
f07ead6a
JM		 5639 return;
5640 }
5641
5642 if (have_ifidx(drv, lladdr.sll_ifindex))
5643 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
5644}
5645
5646
94627f6c 5647static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 5648 struct i802_bss *bss,
94627f6c
JM		 5649 const char *brname, const char *ifname)
5650{
6c6678e7 5651 int br_ifindex;
94627f6c
JM		 5652 char in_br[IFNAMSIZ];
5653
e17a2477 5654 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 5655 br_ifindex = if_nametoindex(brname);
6c6678e7 5656 if (br_ifindex == 0) {
94627f6c
JM		 5657 /*
5658 * Bridge was configured, but the bridge device does
5659 * not exist. Try to add it now.
5660 */
c81eff1a 5661 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 5662 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
5663 "bridge interface %s: %s",
5664 brname, strerror(errno));
5665 return -1;
5666 }
e17a2477 5667 bss->added_bridge = 1;
8997613c
JM		 5668 br_ifindex = if_nametoindex(brname);
5669 add_ifidx(drv, br_ifindex);
94627f6c 5670 }
8997613c 5671 bss->br_ifindex = br_ifindex;
94627f6c
JM		 5672
5673 if (linux_br_get(in_br, ifname) == 0) {
5674 if (os_strcmp(in_br, brname) == 0)
5675 return 0; /* already in the bridge */
5676
5677 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
5678 "bridge %s", ifname, in_br);
c81eff1a
BG		 5679 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
5680 0) {
94627f6c
JM		 5681 wpa_printf(MSG_ERROR, "nl80211: Failed to "
5682 "remove interface %s from bridge "
5683 "%s: %s",
5684 ifname, brname, strerror(errno));
5685 return -1;
5686 }
5687 }
5688
5689 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
5690 ifname, brname);
c81eff1a 5691 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 5692 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
5693 "into bridge %s: %s",
5694 ifname, brname, strerror(errno));
5695 return -1;
5696 }
e17a2477 5697 bss->added_if_into_bridge = 1;
94627f6c
JM		 5698
5699 return 0;
5700}
5701
5702
92f475b4
JM		 5703static void *i802_init(struct hostapd_data *hapd,
5704 struct wpa_init_params *params)
c5121837
JM		 5705{
5706 struct wpa_driver_nl80211_data *drv;
a2e40bb6 5707 struct i802_bss *bss;
c5121837 5708 size_t i;
cb05808c
AN		 5709 char master_ifname[IFNAMSIZ];
5710 int ifindex, br_ifindex = 0;
94627f6c 5711 int br_added = 0;
c5121837 5712
0d547d5f
JM		 5713 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
5714 params->global_priv, 1,
0ecff8d7 5715 params->bssid, params->driver_params);
a2e40bb6 5716 if (bss == NULL)
c5121837 5717 return NULL;
c5121837 5718
a2e40bb6 5719 drv = bss->drv;
7635bfb0 5720
cb05808c 5721 if (linux_br_get(master_ifname, params->ifname) == 0) {
94627f6c 5722 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
cb05808c
AN		 5723 params->ifname, master_ifname);
5724 br_ifindex = if_nametoindex(master_ifname);
5725 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
5726 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
5727 linux_master_get(master_ifname, params->ifname) == 0) {
5728 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
5729 params->ifname, master_ifname);
5730 /* start listening for EAPOL on the master interface */
5731 add_ifidx(drv, if_nametoindex(master_ifname));
94627f6c 5732 } else {
cb05808c 5733 master_ifname[0] = '\0';
94627f6c 5734 }
cb05808c 5735
6c6678e7 5736 bss->br_ifindex = br_ifindex;
94627f6c 5737
92f475b4 5738 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 5739 if (params->bridge[i]) {
5740 ifindex = if_nametoindex(params->bridge[i]);
5741 if (ifindex)
5742 add_ifidx(drv, ifindex);
5743 if (ifindex == br_ifindex)
5744 br_added = 1;
5745 }
c5121837 5746 }
c5121837 5747
ad1e68e6
JM		 5748 /* start listening for EAPOL on the default AP interface */
5749 add_ifidx(drv, drv->ifindex);
5750
5ef8e39f
JM		 5751 if (params->num_bridge && params->bridge[0]) {
5752 if (i802_check_bridge(drv, bss, params->bridge[0],
5753 params->ifname) < 0)
5754 goto failed;
cb05808c 5755 if (os_strcmp(params->bridge[0], master_ifname) != 0)
5ef8e39f
JM		 5756 br_added = 1;
5757 }
5758
5759 if (!br_added && br_ifindex &&
5760 (params->num_bridge == 0 || !params->bridge[0]))
5761 add_ifidx(drv, br_ifindex);
94627f6c 5762
97ed9a06
KP		 5763#ifdef CONFIG_LIBNL3_ROUTE
5764 if (bss->added_if_into_bridge) {
5765 drv->rtnl_sk = nl_socket_alloc();
5766 if (drv->rtnl_sk == NULL) {
5767 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
5768 goto failed;
5769 }
5770
5771 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
5772 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
5773 strerror(errno));
5774 goto failed;
5775 }
5776 }
5777#endif /* CONFIG_LIBNL3_ROUTE */
5778
ad1e68e6
JM		 5779 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
5780 if (drv->eapol_sock < 0) {
7ac3616d
JM		 5781 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
5782 strerror(errno));
bbaf0837 5783 goto failed;
ad1e68e6
JM		 5784 }
5785
5786 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
5787 {
7ac3616d 5788 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 5789 goto failed;
ad1e68e6
JM		 5790 }
5791
c81eff1a
BG		 5792 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
5793 params->own_addr))
bbaf0837 5794 goto failed;
fee354c7 5795 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 5796
341eebee
JB		 5797 memcpy(bss->addr, params->own_addr, ETH_ALEN);
5798
a2e40bb6 5799 return bss;
c5121837
JM		 5800
5801failed:
7635bfb0 5802 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 5803 return NULL;
5804}
c5121837 5805
c5121837 5806
bbaf0837
JM		 5807static void i802_deinit(void *priv)
5808{
9ebce9c5
JM		 5809 struct i802_bss *bss = priv;
5810 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 5811}
5812
c5121837 5813
22a7c9d7
JM		 5814static enum nl80211_iftype wpa_driver_nl80211_if_type(
5815 enum wpa_driver_if_type type)
5816{
5817 switch (type) {
5818 case WPA_IF_STATION:
9f51b113 5819 return NL80211_IFTYPE_STATION;
75bde05d
JM		 5820 case WPA_IF_P2P_CLIENT:
5821 case WPA_IF_P2P_GROUP:
9f51b113 5822 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 5823 case WPA_IF_AP_VLAN:
5824 return NL80211_IFTYPE_AP_VLAN;
5825 case WPA_IF_AP_BSS:
5826 return NL80211_IFTYPE_AP;
9f51b113
JB		 5827 case WPA_IF_P2P_GO:
5828 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 5829 case WPA_IF_P2P_DEVICE:
5830 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH		 5831 case WPA_IF_MESH:
5832 return NL80211_IFTYPE_MESH_POINT;
98342208
AK		 5833 default:
5834 return -1;
22a7c9d7 5835 }
22a7c9d7
JM		 5836}
5837
5838
f2ed8023
JM		 5839static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
5840{
5841 struct wpa_driver_nl80211_data *drv;
5842 dl_list_for_each(drv, &global->interfaces,
5843 struct wpa_driver_nl80211_data, list) {
834ee56f 5844 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 5845 return 1;
5846 }
5847 return 0;
5848}
5849
5850
5b78493f 5851static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM		 5852{
5853 unsigned int idx;
5854
5855 if (!drv->global)
5856 return -1;
5857
834ee56f 5858 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 5859 for (idx = 0; idx < 64; idx++) {
834ee56f 5860 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 5861 new_addr[0] ^= idx << 2;
5862 if (!nl80211_addr_in_use(drv->global, new_addr))
5863 break;
5864 }
5865 if (idx == 64)
5866 return -1;
5867
5b78493f 5868 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM		 5869 MACSTR, MAC2STR(new_addr));
5870
5871 return 0;
5872}
5873
5874
f632e483
AS		 5875struct wdev_info {
5876 u64 wdev_id;
5877 int wdev_id_set;
5878 u8 macaddr[ETH_ALEN];
5879};
5880
5881static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 5882{
5883 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5884 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 5885 struct wdev_info *wi = arg;
e472e1b4
AS		 5886
5887 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5888 genlmsg_attrlen(gnlh, 0), NULL);
5889 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 5890 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
5891 wi->wdev_id_set = 1;
e472e1b4
AS		 5892 }
5893
5894 if (tb[NL80211_ATTR_MAC])
f632e483 5895 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 5896 ETH_ALEN);
5897
5898 return NL_SKIP;
5899}
5900
5901
7ab68865 5902static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 5903 const char *ifname, const u8 *addr,
f3585c8a 5904 void *bss_ctx, void **drv_priv,
e17a2477 5905 char *force_ifname, u8 *if_addr,
d8a3b66d
AS		 5906 const char *bridge, int use_existing,
5907 int setup_ap)
22a7c9d7 5908{
e472e1b4 5909 enum nl80211_iftype nlmode;
a2e40bb6
FF		 5910 struct i802_bss *bss = priv;
5911 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 5912 int ifidx;
2aec4f3c 5913 int added = 1;
22a7c9d7 5914
f3585c8a
JM		 5915 if (addr)
5916 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 5917 nlmode = wpa_driver_nl80211_if_type(type);
5918 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 5919 struct wdev_info p2pdev_info;
5920
5921 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 5922 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 5923 0, nl80211_wdev_handler,
2aec4f3c 5924 &p2pdev_info, use_existing);
f632e483 5925 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 5926 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
5927 ifname);
e472e1b4
AS		 5928 return -1;
5929 }
f632e483
AS		 5930
5931 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
5932 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
5933 if (!is_zero_ether_addr(p2pdev_info.macaddr))
5934 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
5935 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
5936 ifname,
5937 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 5938 } else {
5939 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 5940 0, NULL, NULL, use_existing);
5941 if (use_existing && ifidx == -ENFILE) {
5942 added = 0;
5943 ifidx = if_nametoindex(ifname);
5944 } else if (ifidx < 0) {
e472e1b4
AS		 5945 return -1;
5946 }
22a7c9d7
JM		 5947 }
5948
ab7a1add 5949 if (!addr) {
8ea8a89c 5950 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
ab7a1add
AS		 5951 os_memcpy(if_addr, bss->addr, ETH_ALEN);
5952 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8ea8a89c 5953 ifname, if_addr) < 0) {
2aec4f3c
JM		 5954 if (added)
5955 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 5956 return -1;
5957 }
c55f774d
JM		 5958 }
5959
c55f774d
JM		 5960 if (!addr &&
5961 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8ea8a89c
JM		 5962 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
5963 type == WPA_IF_STATION)) {
5964 /* Enforce unique address */
ab7a1add 5965 u8 new_addr[ETH_ALEN];
c55f774d 5966
ab7a1add 5967 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 5968 new_addr) < 0) {
ea39367c
MK		 5969 if (added)
5970 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 5971 return -1;
5972 }
f608081c 5973 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 5974 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8ea8a89c 5975 "for interface %s type %d", ifname, type);
5b78493f 5976 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK		 5977 if (added)
5978 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 5979 return -1;
5980 }
c81eff1a 5981 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 5982 new_addr) < 0) {
ea39367c
MK		 5983 if (added)
5984 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 5985 return -1;
5986 }
c55f774d 5987 }
f67eeb5c 5988 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 5989 }
f3585c8a 5990
d8a3b66d 5991 if (type == WPA_IF_AP_BSS && setup_ap) {
f5eb9da3
JM		 5992 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
5993 if (new_bss == NULL) {
2aec4f3c
JM		 5994 if (added)
5995 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 5996 return -1;
5997 }
5998
5999 if (bridge &&
6000 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
6001 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
6002 "interface %s to a bridge %s",
6003 ifname, bridge);
2aec4f3c
JM		 6004 if (added)
6005 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 6006 os_free(new_bss);
6007 return -1;
6008 }
6009
c81eff1a
BG		 6010 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
6011 {
ea39367c
MK		 6012 if (added)
6013 nl80211_remove_iface(drv, ifidx);
07179987 6014 os_free(new_bss);
22a7c9d7
JM		 6015 return -1;
6016 }
a2e40bb6 6017 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 6018 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 6019 new_bss->ifindex = ifidx;
6020 new_bss->drv = drv;
834ee56f
KP		 6021 new_bss->next = drv->first_bss->next;
6022 new_bss->freq = drv->first_bss->freq;
a5e1eb20 6023 new_bss->ctx = bss_ctx;
2aec4f3c 6024 new_bss->added_if = added;
834ee56f 6025 drv->first_bss->next = new_bss;
a2e40bb6
FF		 6026 if (drv_priv)
6027 *drv_priv = new_bss;
cc7a48d1 6028 nl80211_init_bss(new_bss);
3dd1d890
YAP		 6029
6030 /* Subscribe management frames for this WPA_IF_AP_BSS */
6031 if (nl80211_setup_ap(new_bss))
6032 return -1;
22a7c9d7 6033 }
22a7c9d7 6034
ff6a158b
JM		 6035 if (drv->global)
6036 drv->global->if_add_ifindex = ifidx;
6037
d1bb7aed
JJ		 6038 /*
6039 * Some virtual interfaces need to process EAPOL packets and events on
6040 * the parent interface. This is used mainly with hostapd.
6041 */
6042 if (ifidx > 0 &&
6043 (drv->hostapd ||
6044 nlmode == NL80211_IFTYPE_AP_VLAN ||
6045 nlmode == NL80211_IFTYPE_WDS ||
6046 nlmode == NL80211_IFTYPE_MONITOR))
b36935be
MB		 6047 add_ifidx(drv, ifidx);
6048
22a7c9d7
JM		 6049 return 0;
6050}
6051
6052
9ebce9c5 6053static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 6054 enum wpa_driver_if_type type,
6055 const char *ifname)
6056{
a2e40bb6 6057 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 6058 int ifindex = if_nametoindex(ifname);
6059
2aec4f3c
JM		 6060 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
6061 __func__, type, ifname, ifindex, bss->added_if);
158b090c 6062 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 6063 nl80211_remove_iface(drv, ifindex);
de884303
JM		 6064 else if (ifindex > 0 && !bss->added_if) {
6065 struct wpa_driver_nl80211_data *drv2;
6066 dl_list_for_each(drv2, &drv->global->interfaces,
6067 struct wpa_driver_nl80211_data, list)
6068 del_ifidx(drv2, ifindex);
6069 }
c34e618d 6070
c34e618d
FF		 6071 if (type != WPA_IF_AP_BSS)
6072 return 0;
6073
e17a2477 6074 if (bss->added_if_into_bridge) {
c81eff1a
BG		 6075 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
6076 bss->ifname) < 0)
e17a2477
JM		 6077 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6078 "interface %s from bridge %s: %s",
6079 bss->ifname, bss->brname, strerror(errno));
6080 }
6081 if (bss->added_bridge) {
c81eff1a 6082 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 6083 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6084 "bridge %s: %s",
6085 bss->brname, strerror(errno));
6086 }
a2e40bb6 6087
834ee56f 6088 if (bss != drv->first_bss) {
8546ea19 6089 struct i802_bss *tbss;
a2e40bb6 6090
2aec4f3c 6091 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 6092 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 6093 if (tbss->next == bss) {
6094 tbss->next = bss->next;
3dd1d890
YAP		 6095 /* Unsubscribe management frames */
6096 nl80211_teardown_ap(bss);
cc7a48d1 6097 nl80211_destroy_bss(bss);
5c9da160
MB		 6098 if (!bss->added_if)
6099 i802_set_iface_flags(bss, 0);
8546ea19
JM		 6100 os_free(bss);
6101 bss = NULL;
6102 break;
6103 }
22a7c9d7 6104 }
8546ea19
JM		 6105 if (bss)
6106 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
6107 "BSS %p in the list", __func__, bss);
390e489c 6108 } else {
2aec4f3c 6109 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 6110 nl80211_teardown_ap(bss);
2aec4f3c
JM		 6111 if (!bss->added_if && !drv->first_bss->next)
6112 wpa_driver_nl80211_del_beacon(drv);
390e489c 6113 nl80211_destroy_bss(bss);
2aec4f3c
JM		 6114 if (!bss->added_if)
6115 i802_set_iface_flags(bss, 0);
390e489c
KP		 6116 if (drv->first_bss->next) {
6117 drv->first_bss = drv->first_bss->next;
6118 drv->ctx = drv->first_bss->ctx;
6119 os_free(bss);
6120 } else {
6121 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
6122 }
22a7c9d7 6123 }
22a7c9d7
JM		 6124
6125 return 0;
6126}
6127
6128
55777702
JM		 6129static int cookie_handler(struct nl_msg *msg, void *arg)
6130{
6131 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6132 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6133 u64 *cookie = arg;
6134 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6135 genlmsg_attrlen(gnlh, 0), NULL);
6136 if (tb[NL80211_ATTR_COOKIE])
6137 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
6138 return NL_SKIP;
6139}
6140
6141
88df0ef7 6142static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 6143 unsigned int freq, unsigned int wait,
6144 const u8 *buf, size_t buf_len,
88df0ef7 6145 u64 *cookie_out, int no_cck, int no_ack,
2d3943ce
AO		 6146 int offchanok, const u16 *csa_offs,
6147 size_t csa_offs_len)
9884f9cc 6148{
88df0ef7 6149 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 6150 struct nl_msg *msg;
6151 u64 cookie;
6152 int ret = -1;
6153
cc2ada86 6154 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 6155 "no_ack=%d offchanok=%d",
6156 freq, wait, no_cck, no_ack, offchanok);
c91f796f 6157 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 6158
56f77852 6159 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM		 6160 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
6161 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
6162 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6163 drv->test_use_roc_tx) &&
6164 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
6165 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
6166 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
2d3943ce
AO		 6167 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
6168 csa_offs_len * sizeof(u16), csa_offs)) ||
a862e4a3
JM		 6169 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
6170 goto fail;
9884f9cc
JB		 6171
6172 cookie = 0;
6173 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6174 msg = NULL;
6175 if (ret) {
6176 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 6177 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
6178 freq, wait);
a862e4a3
JM		 6179 } else {
6180 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
6181 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
6182 (long long unsigned int) cookie);
9884f9cc 6183
a862e4a3
JM		 6184 if (cookie_out)
6185 *cookie_out = no_ack ? (u64) -1 : cookie;
6186 }
9884f9cc 6187
a862e4a3 6188fail:
9884f9cc
JB		 6189 nlmsg_free(msg);
6190 return ret;
6191}
6192
6193
9ebce9c5
JM		 6194static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
6195 unsigned int freq,
190b9062 6196 unsigned int wait_time,
58f6fbe0
JM		 6197 const u8 *dst, const u8 *src,
6198 const u8 *bssid,
b106173a
JM		 6199 const u8 *data, size_t data_len,
6200 int no_cck)
58f6fbe0 6201{
a2e40bb6 6202 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 6203 int ret = -1;
58f6fbe0
JM		 6204 u8 *buf;
6205 struct ieee80211_hdr *hdr;
58f6fbe0 6206
5dfca53f 6207 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 6208 "freq=%u MHz wait=%d ms no_cck=%d)",
6209 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 6210
6211 buf = os_zalloc(24 + data_len);
6212 if (buf == NULL)
6213 return ret;
6214 os_memcpy(buf + 24, data, data_len);
6215 hdr = (struct ieee80211_hdr *) buf;
6216 hdr->frame_control =
6217 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
6218 os_memcpy(hdr->addr1, dst, ETH_ALEN);
6219 os_memcpy(hdr->addr2, src, ETH_ALEN);
6220 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
6221
f78f2785
JM		 6222 if (is_ap_interface(drv->nlmode) &&
6223 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6224 (int) freq == bss->freq || drv->device_ap_sme ||
6225 !drv->use_monitor))
9ebce9c5
JM		 6226 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
6227 0, freq, no_cck, 1,
2d3943ce 6228 wait_time, NULL, 0);
9884f9cc 6229 else
88df0ef7 6230 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 6231 24 + data_len,
b106173a 6232 &drv->send_action_cookie,
2d3943ce 6233 no_cck, 0, 1, NULL, 0);
58f6fbe0 6234
f8bf1421 6235 os_free(buf);
58f6fbe0
JM		 6236 return ret;
6237}
6238
6239
5dfca53f
JB		 6240static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
6241{
6242 struct i802_bss *bss = priv;
6243 struct wpa_driver_nl80211_data *drv = bss->drv;
6244 struct nl_msg *msg;
6245 int ret;
6246
316a9e4d
JM		 6247 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
6248 (long long unsigned int) drv->send_action_cookie);
56f77852 6249 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
a862e4a3
JM		 6250 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie)) {
6251 nlmsg_free(msg);
6252 return;
6253 }
5dfca53f
JB		 6254
6255 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB		 6256 if (ret)
6257 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
6258 "(%s)", ret, strerror(-ret));
5dfca53f
JB		 6259}
6260
6261
55777702
JM		 6262static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
6263 unsigned int duration)
6264{
a2e40bb6
FF		 6265 struct i802_bss *bss = priv;
6266 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 6267 struct nl_msg *msg;
6268 int ret;
6269 u64 cookie;
6270
56f77852 6271 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM		 6272 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
6273 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
6274 nlmsg_free(msg);
6275 return -1;
6276 }
55777702
JM		 6277
6278 cookie = 0;
6279 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6280 if (ret == 0) {
6281 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
6282 "0x%llx for freq=%u MHz duration=%u",
6283 (long long unsigned int) cookie, freq, duration);
6284 drv->remain_on_chan_cookie = cookie;
531f0331 6285 drv->pending_remain_on_chan = 1;
55777702
JM		 6286 return 0;
6287 }
6288 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 6289 "(freq=%d duration=%u): %d (%s)",
6290 freq, duration, ret, strerror(-ret));
55777702
JM		 6291 return -1;
6292}
6293
6294
6295static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
6296{
a2e40bb6
FF		 6297 struct i802_bss *bss = priv;
6298 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 6299 struct nl_msg *msg;
6300 int ret;
6301
6302 if (!drv->pending_remain_on_chan) {
6303 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
6304 "to cancel");
6305 return -1;
6306 }
6307
6308 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
6309 "0x%llx",
6310 (long long unsigned int) drv->remain_on_chan_cookie);
6311
56f77852
JM		 6312 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
6313 if (!msg ||
a862e4a3
JM		 6314 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
6315 nlmsg_free(msg);
6316 return -1;
6317 }
55777702
JM		 6318
6319 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6320 if (ret == 0)
6321 return 0;
6322 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
6323 "%d (%s)", ret, strerror(-ret));
55777702
JM		 6324 return -1;
6325}
6326
6327
9ebce9c5 6328static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 6329{
a2e40bb6 6330 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 6331
5582a5d1 6332 if (!report) {
0d891981 6333 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 6334 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
6335 !bss->static_ap) {
0d891981
JM		 6336 /*
6337 * Do not disable Probe Request reporting that was
6338 * enabled in nl80211_setup_ap().
6339 */
6340 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
6341 "Probe Request reporting nl_preq=%p while "
6342 "in AP mode", bss->nl_preq);
6343 } else if (bss->nl_preq) {
36488c05
JM		 6344 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
6345 "reporting nl_preq=%p", bss->nl_preq);
5f65e9f7 6346 nl80211_destroy_eloop_handle(&bss->nl_preq);
5582a5d1
JB		 6347 }
6348 return 0;
6349 }
6350
481234cf 6351 if (bss->nl_preq) {
5582a5d1 6352 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 6353 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 6354 return 0;
6355 }
6356
481234cf
JM		 6357 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
6358 if (bss->nl_preq == NULL)
5582a5d1 6359 return -1;
36488c05
JM		 6360 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
6361 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 6362
481234cf 6363 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 6364 (WLAN_FC_TYPE_MGMT << 2) |
6365 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 6366 NULL, 0) < 0)
6367 goto out_err;
5582a5d1 6368
5f65e9f7
JB		 6369 nl80211_register_eloop_read(&bss->nl_preq,
6370 wpa_driver_nl80211_event_receive,
6371 bss->nl_cb);
5582a5d1 6372
504e905c 6373 return 0;
5582a5d1 6374
a92dfde8 6375 out_err:
221a59c9 6376 nl_destroy_handles(&bss->nl_preq);
5582a5d1 6377 return -1;
504e905c
JM		 6378}
6379
6380
4e5cb1a3
JM		 6381static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
6382 int ifindex, int disabled)
6383{
6384 struct nl_msg *msg;
6385 struct nlattr *bands, *band;
6386 int ret;
6387
3e208481
JM		 6388 wpa_printf(MSG_DEBUG,
6389 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6390 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
6391 "no NL80211_TXRATE_LEGACY constraint");
6392
95376e1a
JM		 6393 msg = nl80211_ifindex_msg(drv, ifindex, 0,
6394 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 6395 if (!msg)
6396 return -1;
6397
4e5cb1a3
JM		 6398 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
6399 if (!bands)
a862e4a3 6400 goto fail;
4e5cb1a3
JM		 6401
6402 /*
6403 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6404 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6405 * rates. All 5 GHz rates are left enabled.
6406 */
6407 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM		 6408 if (!band ||
6409 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
6410 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6411 goto fail;
4e5cb1a3
JM		 6412 nla_nest_end(msg, band);
6413
6414 nla_nest_end(msg, bands);
6415
6416 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM		 6417 if (ret) {
6418 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
6419 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 6420 } else
6421 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 6422
6423 return ret;
6424
a862e4a3 6425fail:
4e5cb1a3
JM		 6426 nlmsg_free(msg);
6427 return -1;
6428}
6429
6430
af473088
JM		 6431static int wpa_driver_nl80211_deinit_ap(void *priv)
6432{
a2e40bb6
FF		 6433 struct i802_bss *bss = priv;
6434 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 6435 if (!is_ap_interface(drv->nlmode))
af473088
JM		 6436 return -1;
6437 wpa_driver_nl80211_del_beacon(drv);
9bc5cfa3 6438 bss->beacon_set = 0;
60b13c20
IP		 6439
6440 /*
6441 * If the P2P GO interface was dynamically added, then it is
6442 * possible that the interface change to station is not possible.
6443 */
6444 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
6445 return 0;
6446
b1f625e0 6447 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 6448}
6449
6450
695c7038
SW		 6451static int wpa_driver_nl80211_stop_ap(void *priv)
6452{
6453 struct i802_bss *bss = priv;
6454 struct wpa_driver_nl80211_data *drv = bss->drv;
6455 if (!is_ap_interface(drv->nlmode))
6456 return -1;
6457 wpa_driver_nl80211_del_beacon(drv);
6458 bss->beacon_set = 0;
6459 return 0;
6460}
6461
6462
3c29244e
EP		 6463static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
6464{
6465 struct i802_bss *bss = priv;
6466 struct wpa_driver_nl80211_data *drv = bss->drv;
6467 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
6468 return -1;
60b13c20
IP		 6469
6470 /*
6471 * If the P2P Client interface was dynamically added, then it is
6472 * possible that the interface change to station is not possible.
6473 */
6474 if (bss->if_dynamic)
6475 return 0;
6476
3c29244e
EP		 6477 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6478}
6479
6480
207ef3fb
JM		 6481static void wpa_driver_nl80211_resume(void *priv)
6482{
a2e40bb6 6483 struct i802_bss *bss = priv;
e8dc205f 6484 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
91724d6f
AS		 6485
6486 if (i802_set_iface_flags(bss, 1))
6487 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
e8dc205f
AO		 6488
6489 if (is_p2p_net_interface(nlmode))
6490 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
207ef3fb
JM		 6491}
6492
6493
b625473c
JM		 6494static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
6495{
6496 struct i802_bss *bss = priv;
6497 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 6498 struct nl_msg *msg;
6499 struct nlattr *cqm;
b625473c
JM		 6500
6501 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
6502 "hysteresis=%d", threshold, hysteresis);
6503
13f83980 6504 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM		 6505 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
6506 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
6507 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
6508 nlmsg_free(msg);
6509 return -1;
6510 }
8970bae8 6511 nla_nest_end(msg, cqm);
21270bb4 6512
a862e4a3 6513 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 6514}
6515
6516
2cc8d8f4
AO		 6517static int get_channel_width(struct nl_msg *msg, void *arg)
6518{
6519 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6520 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6521 struct wpa_signal_info *sig_change = arg;
6522
6523 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6524 genlmsg_attrlen(gnlh, 0), NULL);
6525
6526 sig_change->center_frq1 = -1;
6527 sig_change->center_frq2 = -1;
6528 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
6529
6530 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
6531 sig_change->chanwidth = convert2width(
6532 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
6533 if (tb[NL80211_ATTR_CENTER_FREQ1])
6534 sig_change->center_frq1 =
6535 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
6536 if (tb[NL80211_ATTR_CENTER_FREQ2])
6537 sig_change->center_frq2 =
6538 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
6539 }
6540
6541 return NL_SKIP;
6542}
6543
6544
6545static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
6546 struct wpa_signal_info *sig)
6547{
6548 struct nl_msg *msg;
6549
9725b784 6550 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 6551 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO		 6552}
6553
6554
1c5c7273
PS		 6555static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
6556{
6557 struct i802_bss *bss = priv;
6558 struct wpa_driver_nl80211_data *drv = bss->drv;
6559 int res;
6560
6561 os_memset(si, 0, sizeof(*si));
6562 res = nl80211_get_link_signal(drv, si);
1d6955e6
JM		 6563 if (res) {
6564 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
6565 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
6566 return res;
6567 si->current_signal = 0;
6568 }
1c5c7273 6569
2cc8d8f4
AO		 6570 res = nl80211_get_channel_width(drv, si);
6571 if (res != 0)
6572 return res;
6573
1c5c7273
PS		 6574 return nl80211_get_link_noise(drv, si);
6575}
6576
6577
b91ab76e
JM		 6578static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
6579 int encrypt)
6580{
6581 struct i802_bss *bss = priv;
55231068 6582 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
2d3943ce 6583 0, 0, 0, 0, NULL, 0);
b91ab76e
JM		 6584}
6585
6586
c55f774d
JM		 6587static int nl80211_set_param(void *priv, const char *param)
6588{
c55f774d
JM		 6589 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
6590 if (param == NULL)
6591 return 0;
6592
6593#ifdef CONFIG_P2P
6594 if (os_strstr(param, "use_p2p_group_interface=1")) {
482856c8
JM		 6595 struct i802_bss *bss = priv;
6596 struct wpa_driver_nl80211_data *drv = bss->drv;
6597
c55f774d
JM		 6598 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
6599 "interface");
6600 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
6601 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
6602 }
6603#endif /* CONFIG_P2P */
6604
327b01d3
JM		 6605 if (os_strstr(param, "use_monitor=1")) {
6606 struct i802_bss *bss = priv;
6607 struct wpa_driver_nl80211_data *drv = bss->drv;
6608 drv->use_monitor = 1;
6609 }
6610
6611 if (os_strstr(param, "force_connect_cmd=1")) {
6612 struct i802_bss *bss = priv;
6613 struct wpa_driver_nl80211_data *drv = bss->drv;
6614 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 6615 drv->force_connect_cmd = 1;
327b01d3
JM		 6616 }
6617
64abb725
JM		 6618 if (os_strstr(param, "no_offchannel_tx=1")) {
6619 struct i802_bss *bss = priv;
6620 struct wpa_driver_nl80211_data *drv = bss->drv;
6621 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
6622 drv->test_use_roc_tx = 1;
6623 }
6624
c55f774d
JM		 6625 return 0;
6626}
6627
6628
f2ed8023
JM		 6629static void * nl80211_global_init(void)
6630{
6631 struct nl80211_global *global;
36d84860
BG		 6632 struct netlink_config *cfg;
6633
f2ed8023
JM		 6634 global = os_zalloc(sizeof(*global));
6635 if (global == NULL)
6636 return NULL;
c81eff1a 6637 global->ioctl_sock = -1;
f2ed8023 6638 dl_list_init(&global->interfaces);
ff6a158b 6639 global->if_add_ifindex = -1;
36d84860
BG		 6640
6641 cfg = os_zalloc(sizeof(*cfg));
6642 if (cfg == NULL)
6643 goto err;
6644
6645 cfg->ctx = global;
6646 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
6647 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
6648 global->netlink = netlink_init(cfg);
6649 if (global->netlink == NULL) {
6650 os_free(cfg);
6651 goto err;
6652 }
6653
2a7b66f5
BG		 6654 if (wpa_driver_nl80211_init_nl_global(global) < 0)
6655 goto err;
6656
c81eff1a
BG		 6657 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
6658 if (global->ioctl_sock < 0) {
7ac3616d
JM		 6659 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
6660 strerror(errno));
c81eff1a
BG		 6661 goto err;
6662 }
6663
f2ed8023 6664 return global;
36d84860
BG		 6665
6666err:
6667 nl80211_global_deinit(global);
6668 return NULL;
f2ed8023
JM		 6669}
6670
6671
6672static void nl80211_global_deinit(void *priv)
6673{
6674 struct nl80211_global *global = priv;
6675 if (global == NULL)
6676 return;
6677 if (!dl_list_empty(&global->interfaces)) {
6678 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
6679 "nl80211_global_deinit",
6680 dl_list_len(&global->interfaces));
6681 }
36d84860
BG		 6682
6683 if (global->netlink)
6684 netlink_deinit(global->netlink);
6685
276e2d67
BG		 6686 nl_destroy_handles(&global->nl);
6687
5f65e9f7
JB		 6688 if (global->nl_event)
6689 nl80211_destroy_eloop_handle(&global->nl_event);
d6c9aab8
JB		 6690
6691 nl_cb_put(global->nl_cb);
2a7b66f5 6692
c81eff1a
BG		 6693 if (global->ioctl_sock >= 0)
6694 close(global->ioctl_sock);
6695
f2ed8023
JM		 6696 os_free(global);
6697}
6698
6699
6859f1cb
BG		 6700static const char * nl80211_get_radio_name(void *priv)
6701{
6702 struct i802_bss *bss = priv;
6703 struct wpa_driver_nl80211_data *drv = bss->drv;
6704 return drv->phyname;
6705}
6706
6707
a6efc65d
JM		 6708static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
6709 const u8 *pmkid)
6710{
6711 struct nl_msg *msg;
6712
13f83980 6713 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 6714 (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
6715 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
6716 nlmsg_free(msg);
6717 return -ENOBUFS;
6718 }
a6efc65d
JM		 6719
6720 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 6721}
6722
6723
6724static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6725{
6726 struct i802_bss *bss = priv;
6727 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
6728 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
6729}
6730
6731
6732static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6733{
6734 struct i802_bss *bss = priv;
6735 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
6736 MAC2STR(bssid));
6737 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
6738}
6739
6740
6741static int nl80211_flush_pmkid(void *priv)
6742{
6743 struct i802_bss *bss = priv;
6744 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
6745 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
6746}
6747
6748
0185007c
MK		 6749static void clean_survey_results(struct survey_results *survey_results)
6750{
6751 struct freq_survey *survey, *tmp;
6752
6753 if (dl_list_empty(&survey_results->survey_list))
6754 return;
6755
6756 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
6757 struct freq_survey, list) {
6758 dl_list_del(&survey->list);
6759 os_free(survey);
6760 }
6761}
6762
6763
6764static void add_survey(struct nlattr **sinfo, u32 ifidx,
6765 struct dl_list *survey_list)
6766{
6767 struct freq_survey *survey;
6768
6769 survey = os_zalloc(sizeof(struct freq_survey));
6770 if (!survey)
6771 return;
6772
6773 survey->ifidx = ifidx;
6774 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6775 survey->filled = 0;
6776
6777 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
6778 survey->nf = (int8_t)
6779 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
6780 survey->filled |= SURVEY_HAS_NF;
6781 }
6782
6783 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
6784 survey->channel_time =
6785 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
6786 survey->filled |= SURVEY_HAS_CHAN_TIME;
6787 }
6788
6789 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
6790 survey->channel_time_busy =
6791 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
6792 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
6793 }
6794
6795 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
6796 survey->channel_time_rx =
6797 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
6798 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
6799 }
6800
6801 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
6802 survey->channel_time_tx =
6803 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
6804 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
6805 }
6806
6807 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)",
6808 survey->freq,
6809 survey->nf,
6810 (unsigned long int) survey->channel_time,
6811 (unsigned long int) survey->channel_time_busy,
6812 (unsigned long int) survey->channel_time_tx,
6813 (unsigned long int) survey->channel_time_rx,
6814 survey->filled);
6815
6816 dl_list_add_tail(survey_list, &survey->list);
6817}
6818
6819
6820static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
6821 unsigned int freq_filter)
6822{
6823 if (!freq_filter)
6824 return 1;
6825
6826 return freq_filter == surveyed_freq;
6827}
6828
6829
6830static int survey_handler(struct nl_msg *msg, void *arg)
6831{
6832 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6833 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6834 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
6835 struct survey_results *survey_results;
6836 u32 surveyed_freq = 0;
6837 u32 ifidx;
6838
6839 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
6840 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
6841 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
6842 };
6843
6844 survey_results = (struct survey_results *) arg;
6845
6846 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6847 genlmsg_attrlen(gnlh, 0), NULL);
6848
e28f39b7
SJ		 6849 if (!tb[NL80211_ATTR_IFINDEX])
6850 return NL_SKIP;
6851
0185007c
MK		 6852 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
6853
6854 if (!tb[NL80211_ATTR_SURVEY_INFO])
6855 return NL_SKIP;
6856
6857 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
6858 tb[NL80211_ATTR_SURVEY_INFO],
6859 survey_policy))
6860 return NL_SKIP;
6861
6862 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
6863 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
6864 return NL_SKIP;
6865 }
6866
6867 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6868
6869 if (!check_survey_ok(sinfo, surveyed_freq,
6870 survey_results->freq_filter))
6871 return NL_SKIP;
6872
6873 if (survey_results->freq_filter &&
6874 survey_results->freq_filter != surveyed_freq) {
6875 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
6876 surveyed_freq);
6877 return NL_SKIP;
6878 }
6879
6880 add_survey(sinfo, ifidx, &survey_results->survey_list);
6881
6882 return NL_SKIP;
6883}
6884
6885
6886static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
6887{
6888 struct i802_bss *bss = priv;
6889 struct wpa_driver_nl80211_data *drv = bss->drv;
6890 struct nl_msg *msg;
9725b784 6891 int err;
0185007c
MK		 6892 union wpa_event_data data;
6893 struct survey_results *survey_results;
6894
6895 os_memset(&data, 0, sizeof(data));
6896 survey_results = &data.survey_results;
6897
6898 dl_list_init(&survey_results->survey_list);
6899
9725b784 6900 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 6901 if (!msg)
a862e4a3 6902 return -ENOBUFS;
0185007c 6903
0185007c
MK		 6904 if (freq)
6905 data.survey_results.freq_filter = freq;
6906
6907 do {
6908 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
6909 err = send_and_recv_msgs(drv, msg, survey_handler,
6910 survey_results);
6911 } while (err > 0);
6912
a862e4a3 6913 if (err)
0185007c 6914 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM		 6915 else
6916 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 6917
0185007c 6918 clean_survey_results(survey_results);
0185007c
MK		 6919 return err;
6920}
6921
6922
98cd3d1c
JM		 6923static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
6924 const u8 *kck, size_t kck_len,
b14a210c
JB		 6925 const u8 *replay_ctr)
6926{
6927 struct i802_bss *bss = priv;
6928 struct wpa_driver_nl80211_data *drv = bss->drv;
6929 struct nlattr *replay_nested;
6930 struct nl_msg *msg;
64ae2447 6931 int ret;
b14a210c 6932
64ae2447
JM		 6933 if (!drv->set_rekey_offload)
6934 return;
6935
6936 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
13f83980 6937 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3 6938 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
98cd3d1c
JM		 6939 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
6940 nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck) ||
a862e4a3
JM		 6941 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
6942 replay_ctr)) {
bbd89bfc 6943 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 6944 nlmsg_free(msg);
6945 return;
6946 }
b14a210c
JB		 6947
6948 nla_nest_end(msg, replay_nested);
6949
64ae2447
JM		 6950 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
6951 if (ret == -EOPNOTSUPP) {
6952 wpa_printf(MSG_DEBUG,
6953 "nl80211: Driver does not support rekey offload");
6954 drv->set_rekey_offload = 0;
6955 }
b14a210c
JB		 6956}
6957
6958
39718852
JB		 6959static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
6960 const u8 *addr, int qos)
bcf24348 6961{
39718852
JB		 6962 /* send data frame to poll STA and check whether
6963 * this frame is ACKed */
bcf24348
JB		 6964 struct {
6965 struct ieee80211_hdr hdr;
6966 u16 qos_ctl;
6967 } STRUCT_PACKED nulldata;
6968 size_t size;
6969
6970 /* Send data frame to poll STA and check whether this frame is ACKed */
6971
6972 os_memset(&nulldata, 0, sizeof(nulldata));
6973
6974 if (qos) {
6975 nulldata.hdr.frame_control =
6976 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6977 WLAN_FC_STYPE_QOS_NULL);
6978 size = sizeof(nulldata);
6979 } else {
6980 nulldata.hdr.frame_control =
6981 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6982 WLAN_FC_STYPE_NULLFUNC);
6983 size = sizeof(struct ieee80211_hdr);
6984 }
6985
6986 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
6987 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
6988 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
6989 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
6990
9ebce9c5 6991 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
2d3943ce 6992 0, 0, NULL, 0) < 0)
bcf24348
JB		 6993 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
6994 "send poll frame");
6995}
6996
39718852
JB		 6997static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
6998 int qos)
6999{
7000 struct i802_bss *bss = priv;
7001 struct wpa_driver_nl80211_data *drv = bss->drv;
7002 struct nl_msg *msg;
fc99fab7 7003 int ret;
39718852
JB		 7004
7005 if (!drv->poll_command_supported) {
7006 nl80211_send_null_frame(bss, own_addr, addr, qos);
7007 return;
7008 }
7009
13f83980 7010 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM		 7011 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7012 nlmsg_free(msg);
7013 return;
7014 }
39718852 7015
fc99fab7
JM		 7016 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7017 if (ret < 0) {
7018 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
7019 MACSTR " failed: ret=%d (%s)",
7020 MAC2STR(addr), ret, strerror(-ret));
7021 }
39718852
JB		 7022}
7023
bcf24348 7024
29f338af
JM		 7025static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
7026{
7027 struct nl_msg *msg;
7028
13f83980 7029 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM		 7030 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
7031 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
7032 nlmsg_free(msg);
7033 return -ENOBUFS;
7034 }
29f338af 7035 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
29f338af
JM		 7036}
7037
7038
7039static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
7040 int ctwindow)
7041{
7042 struct i802_bss *bss = priv;
7043
7044 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
7045 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
7046
0de38036
JM		 7047 if (opp_ps != -1 || ctwindow != -1) {
7048#ifdef ANDROID_P2P
7049 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
7050#else /* ANDROID_P2P */
29f338af 7051 return -1; /* Not yet supported */
0de38036
JM		 7052#endif /* ANDROID_P2P */
7053 }
29f338af
JM		 7054
7055 if (legacy_ps == -1)
7056 return 0;
7057 if (legacy_ps != 0 && legacy_ps != 1)
7058 return -1; /* Not yet supported */
7059
7060 return nl80211_set_power_save(bss, legacy_ps);
7061}
7062
7063
04e8003c
JD		 7064static int nl80211_start_radar_detection(void *priv,
7065 struct hostapd_freq_params *freq)
f90e9c1c
SW		 7066{
7067 struct i802_bss *bss = priv;
7068 struct wpa_driver_nl80211_data *drv = bss->drv;
7069 struct nl_msg *msg;
7070 int ret;
7071
04e8003c
JD		 7072 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)",
7073 freq->freq, freq->ht_enabled, freq->vht_enabled,
7074 freq->bandwidth, freq->center_freq1, freq->center_freq2);
7075
f90e9c1c
SW		 7076 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
7077 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
7078 "detection");
7079 return -1;
7080 }
7081
9725b784 7082 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM		 7083 nl80211_put_freq_params(msg, freq) < 0) {
7084 nlmsg_free(msg);
7085 return -1;
7086 }
f90e9c1c
SW		 7087
7088 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7089 if (ret == 0)
7090 return 0;
7091 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
7092 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW		 7093 return -1;
7094}
7095
03ea1786
AN		 7096#ifdef CONFIG_TDLS
7097
7098static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
7099 u8 dialog_token, u16 status_code,
984dadc2
AN		 7100 u32 peer_capab, int initiator, const u8 *buf,
7101 size_t len)
03ea1786
AN		 7102{
7103 struct i802_bss *bss = priv;
7104 struct wpa_driver_nl80211_data *drv = bss->drv;
7105 struct nl_msg *msg;
7106
7107 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7108 return -EOPNOTSUPP;
7109
7110 if (!dst)
7111 return -EINVAL;
7112
9725b784 7113 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM		 7114 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7115 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
7116 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
7117 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
7118 goto fail;
96ecea5e
SD		 7119 if (peer_capab) {
7120 /*
7121 * The internal enum tdls_peer_capability definition is
7122 * currently identical with the nl80211 enum
7123 * nl80211_tdls_peer_capability, so no conversion is needed
7124 * here.
7125 */
a862e4a3
JM		 7126 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
7127 peer_capab))
7128 goto fail;
96ecea5e 7129 }
a862e4a3
JM		 7130 if ((initiator &&
7131 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
7132 nla_put(msg, NL80211_ATTR_IE, len, buf))
7133 goto fail;
03ea1786
AN		 7134
7135 return send_and_recv_msgs(drv, msg, NULL, NULL);
7136
a862e4a3 7137fail:
03ea1786
AN		 7138 nlmsg_free(msg);
7139 return -ENOBUFS;
7140}
7141
7142
7143static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
7144{
7145 struct i802_bss *bss = priv;
7146 struct wpa_driver_nl80211_data *drv = bss->drv;
7147 struct nl_msg *msg;
7148 enum nl80211_tdls_operation nl80211_oper;
7149
7150 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7151 return -EOPNOTSUPP;
7152
7153 switch (oper) {
7154 case TDLS_DISCOVERY_REQ:
7155 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
7156 break;
7157 case TDLS_SETUP:
7158 nl80211_oper = NL80211_TDLS_SETUP;
7159 break;
7160 case TDLS_TEARDOWN:
7161 nl80211_oper = NL80211_TDLS_TEARDOWN;
7162 break;
7163 case TDLS_ENABLE_LINK:
7164 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
7165 break;
7166 case TDLS_DISABLE_LINK:
7167 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
7168 break;
7169 case TDLS_ENABLE:
7170 return 0;
7171 case TDLS_DISABLE:
7172 return 0;
7173 default:
7174 return -EINVAL;
7175 }
7176
9725b784 7177 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 7178 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM		 7179 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
7180 nlmsg_free(msg);
7181 return -ENOBUFS;
7182 }
03ea1786
AN		 7183
7184 return send_and_recv_msgs(drv, msg, NULL, NULL);
03ea1786
AN		 7185}
7186
72b2605f
AN		 7187
7188static int
7189nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
7190 const struct hostapd_freq_params *params)
7191{
7192 struct i802_bss *bss = priv;
7193 struct wpa_driver_nl80211_data *drv = bss->drv;
7194 struct nl_msg *msg;
7195 int ret = -ENOBUFS;
7196
7197 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7198 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7199 return -EOPNOTSUPP;
7200
7201 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
7202 " oper_class=%u freq=%u",
7203 MAC2STR(addr), oper_class, params->freq);
7204 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
7205 if (!msg ||
7206 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7207 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
7208 (ret = nl80211_put_freq_params(msg, params))) {
7209 nlmsg_free(msg);
7210 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
7211 return ret;
7212 }
7213
7214 return send_and_recv_msgs(drv, msg, NULL, NULL);
7215}
7216
7217
7218static int
7219nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
7220{
7221 struct i802_bss *bss = priv;
7222 struct wpa_driver_nl80211_data *drv = bss->drv;
7223 struct nl_msg *msg;
7224
7225 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7226 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7227 return -EOPNOTSUPP;
7228
7229 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
7230 MAC2STR(addr));
7231 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
7232 if (!msg ||
7233 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7234 nlmsg_free(msg);
7235 wpa_printf(MSG_DEBUG,
7236 "nl80211: Could not build TDLS cancel chan switch");
7237 return -ENOBUFS;
7238 }
7239
7240 return send_and_recv_msgs(drv, msg, NULL, NULL);
7241}
7242
03ea1786
AN		 7243#endif /* CONFIG TDLS */
7244
7245
9ebce9c5
JM		 7246static int driver_nl80211_set_key(const char *ifname, void *priv,
7247 enum wpa_alg alg, const u8 *addr,
7248 int key_idx, int set_tx,
7249 const u8 *seq, size_t seq_len,
7250 const u8 *key, size_t key_len)
7251{
7252 struct i802_bss *bss = priv;
7253 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
7254 set_tx, seq, seq_len, key, key_len);
7255}
7256
7257
7258static int driver_nl80211_scan2(void *priv,
7259 struct wpa_driver_scan_params *params)
7260{
7261 struct i802_bss *bss = priv;
b658547d 7262#ifdef CONFIG_DRIVER_NL80211_QCA
adcd7c4b
KV		 7263 struct wpa_driver_nl80211_data *drv = bss->drv;
7264
7265 /*
7266 * Do a vendor specific scan if possible. If only_new_results is
7267 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
7268 * cannot be achieved through a vendor scan. The below condition may
7269 * need to be modified if new scan flags are added in the future whose
7270 * functionality can only be achieved through a normal scan.
7271 */
7272 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
7273 return wpa_driver_nl80211_vendor_scan(bss, params);
b658547d 7274#endif /* CONFIG_DRIVER_NL80211_QCA */
9ebce9c5
JM		 7275 return wpa_driver_nl80211_scan(bss, params);
7276}
7277
7278
7279static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
7280 int reason_code)
7281{
7282 struct i802_bss *bss = priv;
7283 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
7284}
7285
7286
7287static int driver_nl80211_authenticate(void *priv,
7288 struct wpa_driver_auth_params *params)
7289{
7290 struct i802_bss *bss = priv;
7291 return wpa_driver_nl80211_authenticate(bss, params);
7292}
7293
7294
7295static void driver_nl80211_deinit(void *priv)
7296{
7297 struct i802_bss *bss = priv;
7298 wpa_driver_nl80211_deinit(bss);
7299}
7300
7301
7302static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
7303 const char *ifname)
7304{
7305 struct i802_bss *bss = priv;
7306 return wpa_driver_nl80211_if_remove(bss, type, ifname);
7307}
7308
7309
7310static int driver_nl80211_send_mlme(void *priv, const u8 *data,
5d180a77 7311 size_t data_len, int noack,
2d3943ce
AO		 7312 unsigned int freq,
7313 const u16 *csa_offs, size_t csa_offs_len)
9ebce9c5
JM		 7314{
7315 struct i802_bss *bss = priv;
7316 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
2d3943ce
AO		 7317 freq, 0, 0, 0, csa_offs,
7318 csa_offs_len);
9ebce9c5
JM		 7319}
7320
7321
7322static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
7323{
7324 struct i802_bss *bss = priv;
59d7148a 7325 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 7326}
7327
7328
9ebce9c5
JM		 7329static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
7330 const char *ifname, int vlan_id)
7331{
7332 struct i802_bss *bss = priv;
7333 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
7334}
9ebce9c5
JM		 7335
7336
7337static int driver_nl80211_read_sta_data(void *priv,
7338 struct hostap_sta_driver_data *data,
7339 const u8 *addr)
7340{
7341 struct i802_bss *bss = priv;
7342 return i802_read_sta_data(bss, data, addr);
7343}
7344
7345
7346static int driver_nl80211_send_action(void *priv, unsigned int freq,
7347 unsigned int wait_time,
7348 const u8 *dst, const u8 *src,
7349 const u8 *bssid,
7350 const u8 *data, size_t data_len,
7351 int no_cck)
7352{
7353 struct i802_bss *bss = priv;
7354 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
7355 bssid, data, data_len, no_cck);
7356}
7357
7358
7359static int driver_nl80211_probe_req_report(void *priv, int report)
7360{
7361 struct i802_bss *bss = priv;
7362 return wpa_driver_nl80211_probe_req_report(bss, report);
7363}
7364
7365
6a1ce395
DG		 7366static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
7367 const u8 *ies, size_t ies_len)
7368{
7369 int ret;
7370 struct nl_msg *msg;
7371 struct i802_bss *bss = priv;
7372 struct wpa_driver_nl80211_data *drv = bss->drv;
7373 u16 mdid = WPA_GET_LE16(md);
7374
6a1ce395 7375 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 7376 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM		 7377 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
7378 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
7379 nlmsg_free(msg);
7380 return -ENOBUFS;
7381 }
6a1ce395
DG		 7382
7383 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7384 if (ret) {
7385 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
7386 "err=%d (%s)", ret, strerror(-ret));
7387 }
7388
7389 return ret;
6a1ce395
DG		 7390}
7391
7392
597b94f5
AS		 7393const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
7394{
7395 struct i802_bss *bss = priv;
7396 struct wpa_driver_nl80211_data *drv = bss->drv;
7397
7398 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
7399 return NULL;
7400
7401 return bss->addr;
7402}
7403
7404
a771c07d
JM		 7405static const char * scan_state_str(enum scan_states scan_state)
7406{
7407 switch (scan_state) {
7408 case NO_SCAN:
7409 return "NO_SCAN";
7410 case SCAN_REQUESTED:
7411 return "SCAN_REQUESTED";
7412 case SCAN_STARTED:
7413 return "SCAN_STARTED";
7414 case SCAN_COMPLETED:
7415 return "SCAN_COMPLETED";
7416 case SCAN_ABORTED:
7417 return "SCAN_ABORTED";
7418 case SCHED_SCAN_STARTED:
7419 return "SCHED_SCAN_STARTED";
7420 case SCHED_SCAN_STOPPED:
7421 return "SCHED_SCAN_STOPPED";
7422 case SCHED_SCAN_RESULTS:
7423 return "SCHED_SCAN_RESULTS";
7424 }
7425
7426 return "??";
7427}
7428
7429
7430static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
7431{
7432 struct i802_bss *bss = priv;
7433 struct wpa_driver_nl80211_data *drv = bss->drv;
7434 int res;
7435 char *pos, *end;
7436
7437 pos = buf;
7438 end = buf + buflen;
7439
7440 res = os_snprintf(pos, end - pos,
7441 "ifindex=%d\n"
7442 "ifname=%s\n"
7443 "brname=%s\n"
7444 "addr=" MACSTR "\n"
7445 "freq=%d\n"
7446 "%s%s%s%s%s",
7447 bss->ifindex,
7448 bss->ifname,
7449 bss->brname,
7450 MAC2STR(bss->addr),
7451 bss->freq,
7452 bss->beacon_set ? "beacon_set=1\n" : "",
7453 bss->added_if_into_bridge ?
7454 "added_if_into_bridge=1\n" : "",
7455 bss->added_bridge ? "added_bridge=1\n" : "",
7456 bss->in_deinit ? "in_deinit=1\n" : "",
7457 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 7458 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7459 return pos - buf;
7460 pos += res;
7461
7462 if (bss->wdev_id_set) {
7463 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
7464 (unsigned long long) bss->wdev_id);
d85e1fc8 7465 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7466 return pos - buf;
7467 pos += res;
7468 }
7469
7470 res = os_snprintf(pos, end - pos,
7471 "phyname=%s\n"
fee354c7 7472 "perm_addr=" MACSTR "\n"
a771c07d
JM		 7473 "drv_ifindex=%d\n"
7474 "operstate=%d\n"
7475 "scan_state=%s\n"
7476 "auth_bssid=" MACSTR "\n"
7477 "auth_attempt_bssid=" MACSTR "\n"
7478 "bssid=" MACSTR "\n"
7479 "prev_bssid=" MACSTR "\n"
7480 "associated=%d\n"
7481 "assoc_freq=%u\n"
7482 "monitor_sock=%d\n"
7483 "monitor_ifidx=%d\n"
7484 "monitor_refcount=%d\n"
7485 "last_mgmt_freq=%u\n"
7486 "eapol_tx_sock=%d\n"
97752f79 7487 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 7488 drv->phyname,
fee354c7 7489 MAC2STR(drv->perm_addr),
a771c07d
JM		 7490 drv->ifindex,
7491 drv->operstate,
7492 scan_state_str(drv->scan_state),
7493 MAC2STR(drv->auth_bssid),
7494 MAC2STR(drv->auth_attempt_bssid),
7495 MAC2STR(drv->bssid),
7496 MAC2STR(drv->prev_bssid),
7497 drv->associated,
7498 drv->assoc_freq,
7499 drv->monitor_sock,
7500 drv->monitor_ifidx,
7501 drv->monitor_refcount,
7502 drv->last_mgmt_freq,
7503 drv->eapol_tx_sock,
7504 drv->ignore_if_down_event ?
7505 "ignore_if_down_event=1\n" : "",
7506 drv->scan_complete_events ?
7507 "scan_complete_events=1\n" : "",
7508 drv->disabled_11b_rates ?
7509 "disabled_11b_rates=1\n" : "",
7510 drv->pending_remain_on_chan ?
7511 "pending_remain_on_chan=1\n" : "",
7512 drv->in_interface_list ? "in_interface_list=1\n" : "",
7513 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
7514 drv->poll_command_supported ?
7515 "poll_command_supported=1\n" : "",
7516 drv->data_tx_status ? "data_tx_status=1\n" : "",
7517 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
7518 drv->retry_auth ? "retry_auth=1\n" : "",
7519 drv->use_monitor ? "use_monitor=1\n" : "",
7520 drv->ignore_next_local_disconnect ?
7521 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 7522 drv->ignore_next_local_deauth ?
97752f79 7523 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 7524 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7525 return pos - buf;
7526 pos += res;
7527
7528 if (drv->has_capability) {
7529 res = os_snprintf(pos, end - pos,
7530 "capa.key_mgmt=0x%x\n"
7531 "capa.enc=0x%x\n"
7532 "capa.auth=0x%x\n"
24bd4e0b 7533 "capa.flags=0x%llx\n"
a0a34d53 7534 "capa.rrm_flags=0x%x\n"
a771c07d
JM		 7535 "capa.max_scan_ssids=%d\n"
7536 "capa.max_sched_scan_ssids=%d\n"
7537 "capa.sched_scan_supported=%d\n"
7538 "capa.max_match_sets=%d\n"
7539 "capa.max_remain_on_chan=%u\n"
7540 "capa.max_stations=%u\n"
7541 "capa.probe_resp_offloads=0x%x\n"
7542 "capa.max_acl_mac_addrs=%u\n"
86056fea
IP		 7543 "capa.num_multichan_concurrent=%u\n"
7544 "capa.mac_addr_rand_sched_scan_supported=%d\n"
079a28f7
AK		 7545 "capa.mac_addr_rand_scan_supported=%d\n"
7546 "capa.conc_capab=%u\n"
7547 "capa.max_conc_chan_2_4=%u\n"
7548 "capa.max_conc_chan_5_0=%u\n",
a771c07d
JM		 7549 drv->capa.key_mgmt,
7550 drv->capa.enc,
7551 drv->capa.auth,
24bd4e0b 7552 (unsigned long long) drv->capa.flags,
a0a34d53 7553 drv->capa.rrm_flags,
a771c07d
JM		 7554 drv->capa.max_scan_ssids,
7555 drv->capa.max_sched_scan_ssids,
7556 drv->capa.sched_scan_supported,
7557 drv->capa.max_match_sets,
7558 drv->capa.max_remain_on_chan,
7559 drv->capa.max_stations,
7560 drv->capa.probe_resp_offloads,
7561 drv->capa.max_acl_mac_addrs,
86056fea
IP		 7562 drv->capa.num_multichan_concurrent,
7563 drv->capa.mac_addr_rand_sched_scan_supported,
079a28f7
AK		 7564 drv->capa.mac_addr_rand_scan_supported,
7565 drv->capa.conc_capab,
7566 drv->capa.max_conc_chan_2_4,
7567 drv->capa.max_conc_chan_5_0);
d85e1fc8 7568 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7569 return pos - buf;
7570 pos += res;
7571 }
7572
7573 return pos - buf;
7574}
7575
7576
1c4ffa87
AO		 7577static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
7578{
a862e4a3
JM		 7579 if ((settings->head &&
7580 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
7581 settings->head_len, settings->head)) ||
7582 (settings->tail &&
7583 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
7584 settings->tail_len, settings->tail)) ||
7585 (settings->beacon_ies &&
7586 nla_put(msg, NL80211_ATTR_IE,
7587 settings->beacon_ies_len, settings->beacon_ies)) ||
7588 (settings->proberesp_ies &&
7589 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
7590 settings->proberesp_ies_len, settings->proberesp_ies)) ||
7591 (settings->assocresp_ies &&
7592 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
7593 settings->assocresp_ies_len, settings->assocresp_ies)) ||
7594 (settings->probe_resp &&
7595 nla_put(msg, NL80211_ATTR_PROBE_RESP,
7596 settings->probe_resp_len, settings->probe_resp)))
7597 return -ENOBUFS;
1c4ffa87
AO		 7598
7599 return 0;
1c4ffa87
AO		 7600}
7601
7602
7603static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
7604{
7605 struct nl_msg *msg;
7606 struct i802_bss *bss = priv;
7607 struct wpa_driver_nl80211_data *drv = bss->drv;
7608 struct nlattr *beacon_csa;
7609 int ret = -ENOBUFS;
366179d2
AO		 7610 int csa_off_len = 0;
7611 int i;
1c4ffa87 7612
8d1fdde7 7613 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 7614 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 7615 settings->freq_params.freq, settings->freq_params.bandwidth,
7616 settings->freq_params.center_freq1,
7617 settings->freq_params.center_freq2);
1c4ffa87 7618
991aa9c7 7619 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 7620 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
7621 return -EOPNOTSUPP;
7622 }
7623
7624 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
7625 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
7626 return -EOPNOTSUPP;
7627
366179d2
AO		 7628 /*
7629 * Remove empty counters, assuming Probe Response and Beacon frame
7630 * counters match. This implementation assumes that there are only two
7631 * counters.
7632 */
7633 if (settings->counter_offset_beacon[0] &&
7634 !settings->counter_offset_beacon[1]) {
7635 csa_off_len = 1;
7636 } else if (settings->counter_offset_beacon[1] &&
7637 !settings->counter_offset_beacon[0]) {
7638 csa_off_len = 1;
7639 settings->counter_offset_beacon[0] =
7640 settings->counter_offset_beacon[1];
7641 settings->counter_offset_presp[0] =
7642 settings->counter_offset_presp[1];
7643 } else if (settings->counter_offset_beacon[1] &&
7644 settings->counter_offset_beacon[0]) {
7645 csa_off_len = 2;
7646 } else {
7647 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
7648 return -EINVAL;
7649 }
7650
7651 /* Check CSA counters validity */
7652 if (drv->capa.max_csa_counters &&
7653 csa_off_len > drv->capa.max_csa_counters) {
7654 wpa_printf(MSG_ERROR,
7655 "nl80211: Too many CSA counters provided");
1c4ffa87 7656 return -EINVAL;
366179d2 7657 }
1c4ffa87 7658
366179d2 7659 if (!settings->beacon_csa.tail)
1c4ffa87
AO		 7660 return -EINVAL;
7661
366179d2
AO		 7662 for (i = 0; i < csa_off_len; i++) {
7663 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
7664 u16 csa_c_off_presp = settings->counter_offset_presp[i];
7665
7666 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
7667 (settings->beacon_csa.tail[csa_c_off_bcn] !=
7668 settings->cs_count))
7669 return -EINVAL;
7670
7671 if (settings->beacon_csa.probe_resp &&
7672 ((settings->beacon_csa.probe_resp_len <=
7673 csa_c_off_presp) ||
7674 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
7675 settings->cs_count)))
7676 return -EINVAL;
7677 }
7678
13f83980 7679 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM		 7680 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
7681 settings->cs_count) ||
7682 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
7683 (settings->block_tx &&
7684 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO		 7685 goto error;
7686
1c4ffa87
AO		 7687 /* beacon_after params */
7688 ret = set_beacon_data(msg, &settings->beacon_after);
7689 if (ret)
7690 goto error;
7691
7692 /* beacon_csa params */
7693 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
7694 if (!beacon_csa)
a862e4a3 7695 goto fail;
1c4ffa87
AO		 7696
7697 ret = set_beacon_data(msg, &settings->beacon_csa);
7698 if (ret)
7699 goto error;
7700
366179d2
AO		 7701 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
7702 csa_off_len * sizeof(u16),
7703 settings->counter_offset_beacon) ||
a862e4a3 7704 (settings->beacon_csa.probe_resp &&
366179d2
AO		 7705 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
7706 csa_off_len * sizeof(u16),
7707 settings->counter_offset_presp)))
a862e4a3 7708 goto fail;
1c4ffa87
AO		 7709
7710 nla_nest_end(msg, beacon_csa);
7711 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7712 if (ret) {
7713 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
7714 ret, strerror(-ret));
7715 }
7716 return ret;
7717
a862e4a3 7718fail:
1c4ffa87
AO		 7719 ret = -ENOBUFS;
7720error:
7721 nlmsg_free(msg);
7722 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
7723 return ret;
7724}
7725
7726
dfa87878
MB		 7727static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
7728 u8 user_priority, u16 admitted_time)
7729{
7730 struct i802_bss *bss = priv;
7731 struct wpa_driver_nl80211_data *drv = bss->drv;
7732 struct nl_msg *msg;
7733 int ret;
7734
7735 wpa_printf(MSG_DEBUG,
7736 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
7737 tsid, admitted_time, user_priority);
7738
7739 if (!is_sta_interface(drv->nlmode))
7740 return -ENOTSUP;
7741
56f77852
JM		 7742 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
7743 if (!msg ||
a862e4a3
JM		 7744 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7745 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7746 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
7747 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
7748 nlmsg_free(msg);
7749 return -ENOBUFS;
7750 }
dfa87878
MB		 7751
7752 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7753 if (ret)
7754 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
7755 ret, strerror(-ret));
7756 return ret;
dfa87878
MB		 7757}
7758
7759
7760static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
7761{
7762 struct i802_bss *bss = priv;
7763 struct wpa_driver_nl80211_data *drv = bss->drv;
7764 struct nl_msg *msg;
7765 int ret;
7766
7767 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
7768
7769 if (!is_sta_interface(drv->nlmode))
7770 return -ENOTSUP;
7771
56f77852 7772 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM		 7773 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7774 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7775 nlmsg_free(msg);
7776 return -ENOBUFS;
7777 }
dfa87878
MB		 7778
7779 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7780 if (ret)
7781 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
7782 ret, strerror(-ret));
7783 return ret;
dfa87878
MB		 7784}
7785
7786
6b9f7af6
JM		 7787#ifdef CONFIG_TESTING_OPTIONS
7788static int cmd_reply_handler(struct nl_msg *msg, void *arg)
7789{
7790 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7791 struct wpabuf *buf = arg;
7792
7793 if (!buf)
7794 return NL_SKIP;
7795
7796 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
7797 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
7798 return NL_SKIP;
7799 }
7800
7801 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
7802 genlmsg_attrlen(gnlh, 0));
7803
7804 return NL_SKIP;
7805}
7806#endif /* CONFIG_TESTING_OPTIONS */
7807
7808
adef8948
BL		 7809static int vendor_reply_handler(struct nl_msg *msg, void *arg)
7810{
7811 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7812 struct nlattr *nl_vendor_reply, *nl;
7813 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7814 struct wpabuf *buf = arg;
7815 int rem;
7816
7817 if (!buf)
7818 return NL_SKIP;
7819
7820 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7821 genlmsg_attrlen(gnlh, 0), NULL);
7822 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
7823
7824 if (!nl_vendor_reply)
7825 return NL_SKIP;
7826
7827 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
7828 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
7829 return NL_SKIP;
7830 }
7831
7832 nla_for_each_nested(nl, nl_vendor_reply, rem) {
7833 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
7834 }
7835
7836 return NL_SKIP;
7837}
7838
7839
7840static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
7841 unsigned int subcmd, const u8 *data,
7842 size_t data_len, struct wpabuf *buf)
7843{
7844 struct i802_bss *bss = priv;
7845 struct wpa_driver_nl80211_data *drv = bss->drv;
7846 struct nl_msg *msg;
7847 int ret;
7848
6b9f7af6
JM		 7849#ifdef CONFIG_TESTING_OPTIONS
7850 if (vendor_id == 0xffffffff) {
56f77852
JM		 7851 msg = nlmsg_alloc();
7852 if (!msg)
7853 return -ENOMEM;
7854
6b9f7af6
JM		 7855 nl80211_cmd(drv, msg, 0, subcmd);
7856 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
7857 0)
a862e4a3 7858 goto fail;
6b9f7af6
JM		 7859 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
7860 if (ret)
7861 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
7862 ret);
7863 return ret;
7864 }
7865#endif /* CONFIG_TESTING_OPTIONS */
7866
56f77852 7867 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 7868 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
7869 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
7870 (data &&
7871 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
7872 goto fail;
adef8948
BL		 7873
7874 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
7875 if (ret)
7876 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
7877 ret);
7878 return ret;
7879
a862e4a3 7880fail:
adef8948
BL		 7881 nlmsg_free(msg);
7882 return -ENOBUFS;
7883}
7884
7885
049105b4
KP		 7886static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
7887 u8 qos_map_set_len)
7888{
7889 struct i802_bss *bss = priv;
7890 struct wpa_driver_nl80211_data *drv = bss->drv;
7891 struct nl_msg *msg;
7892 int ret;
7893
049105b4
KP		 7894 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
7895 qos_map_set, qos_map_set_len);
7896
9725b784 7897 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM		 7898 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
7899 nlmsg_free(msg);
7900 return -ENOBUFS;
7901 }
049105b4
KP		 7902
7903 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7904 if (ret)
7905 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
7906
7907 return ret;
049105b4
KP		 7908}
7909
7910
e4fa8b12
EP		 7911static int nl80211_set_wowlan(void *priv,
7912 const struct wowlan_triggers *triggers)
7913{
7914 struct i802_bss *bss = priv;
7915 struct wpa_driver_nl80211_data *drv = bss->drv;
7916 struct nl_msg *msg;
7917 struct nlattr *wowlan_triggers;
7918 int ret;
7919
e4fa8b12
EP		 7920 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
7921
1ac977bd 7922 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM		 7923 !(wowlan_triggers = nla_nest_start(msg,
7924 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
7925 (triggers->any &&
7926 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
7927 (triggers->disconnect &&
7928 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
7929 (triggers->magic_pkt &&
7930 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
7931 (triggers->gtk_rekey_failure &&
7932 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
7933 (triggers->eap_identity_req &&
7934 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
7935 (triggers->four_way_handshake &&
7936 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
7937 (triggers->rfkill_release &&
7938 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
7939 nlmsg_free(msg);
7940 return -ENOBUFS;
7941 }
e4fa8b12
EP		 7942
7943 nla_nest_end(msg, wowlan_triggers);
7944
7945 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7946 if (ret)
7947 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
7948
7949 return ret;
e4fa8b12
EP		 7950}
7951
7952
b658547d 7953#ifdef CONFIG_DRIVER_NL80211_QCA
0800f9ee
JM		 7954static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
7955{
7956 struct i802_bss *bss = priv;
7957 struct wpa_driver_nl80211_data *drv = bss->drv;
7958 struct nl_msg *msg;
7959 struct nlattr *params;
7960
7961 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
7962
7963 if (!drv->roaming_vendor_cmd_avail) {
7964 wpa_printf(MSG_DEBUG,
7965 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
7966 return -1;
7967 }
7968
9725b784 7969 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 7970 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
7971 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
7972 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
7973 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
7974 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
7975 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
7976 QCA_ROAMING_NOT_ALLOWED) ||
7977 (bssid &&
7978 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
7979 nlmsg_free(msg);
7980 return -1;
7981 }
0800f9ee
JM		 7982 nla_nest_end(msg, params);
7983
7984 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee 7985}
b658547d 7986#endif /* CONFIG_DRIVER_NL80211_QCA */
0800f9ee
JM		 7987
7988
fee354c7
JM		 7989static int nl80211_set_mac_addr(void *priv, const u8 *addr)
7990{
7991 struct i802_bss *bss = priv;
7992 struct wpa_driver_nl80211_data *drv = bss->drv;
7993 int new_addr = addr != NULL;
7994
7995 if (!addr)
7996 addr = drv->perm_addr;
7997
7998 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
7999 return -1;
8000
8001 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
8002 {
8003 wpa_printf(MSG_DEBUG,
8004 "nl80211: failed to set_mac_addr for %s to " MACSTR,
8005 bss->ifname, MAC2STR(addr));
8006 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
8007 1) < 0) {
8008 wpa_printf(MSG_DEBUG,
8009 "nl80211: Could not restore interface UP after failed set_mac_addr");
8010 }
8011 return -1;
8012 }
8013
8014 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
8015 bss->ifname, MAC2STR(addr));
8016 drv->addr_changed = new_addr;
8017 os_memcpy(bss->addr, addr, ETH_ALEN);
8018
8019 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
8020 {
8021 wpa_printf(MSG_DEBUG,
8022 "nl80211: Could not restore interface UP after set_mac_addr");
8023 }
8024
8025 return 0;
8026}
8027
8028
6c1664f6
BC		 8029#ifdef CONFIG_MESH
8030
8031static int wpa_driver_nl80211_init_mesh(void *priv)
8032{
8033 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
8034 wpa_printf(MSG_INFO,
8035 "nl80211: Failed to set interface into mesh mode");
8036 return -1;
8037 }
8038 return 0;
8039}
8040
8041
21c74e84
JM		 8042static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
8043 size_t mesh_id_len)
8044{
8045 if (mesh_id) {
8046 wpa_hexdump_ascii(MSG_DEBUG, " * Mesh ID (SSID)",
8047 mesh_id, mesh_id_len);
8048 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
8049 }
8050
8051 return 0;
8052}
8053
8054
0cb5f8d9 8055static int nl80211_join_mesh(struct i802_bss *bss,
6c1664f6
BC		 8056 struct wpa_driver_mesh_join_params *params)
8057{
6c1664f6
BC		 8058 struct wpa_driver_nl80211_data *drv = bss->drv;
8059 struct nl_msg *msg;
8060 struct nlattr *container;
7451a217 8061 int ret = -1;
6c1664f6 8062
6c1664f6 8063 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784 8064 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
f7e889fa
JM		 8065 if (!msg ||
8066 nl80211_put_freq_params(msg, &params->freq) ||
21c74e84
JM		 8067 nl80211_put_basic_rates(msg, params->basic_rates) ||
8068 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
8069 nl80211_put_beacon_int(msg, params->beacon_int))
85e1fad8 8070 goto fail;
9c58c5f7 8071
6c1664f6
BC		 8072 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
8073
8074 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
8075 if (!container)
a862e4a3 8076 goto fail;
6c1664f6
BC		 8077
8078 if (params->ies) {
8079 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM		 8080 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
8081 params->ies))
8082 goto fail;
6c1664f6
BC		 8083 }
8084 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
8085 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM		 8086 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
8087 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
8088 goto fail;
6c1664f6 8089 }
a862e4a3
JM		 8090 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
8091 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
8092 goto fail;
8093 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
8094 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
8095 goto fail;
6c1664f6
BC		 8096 nla_nest_end(msg, container);
8097
8098 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
8099 if (!container)
a862e4a3 8100 goto fail;
6c1664f6 8101
a862e4a3
JM		 8102 if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
8103 nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0))
8104 goto fail;
4b409368
MH		 8105 if ((params->conf.flags & WPA_DRIVER_MESH_FLAG_DRIVER_MPM) &&
8106 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8107 params->max_peer_links))
8108 goto fail;
5a2a6de6
MH		 8109
8110 /*
8111 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
8112 * the timer could disconnect stations even in that case.
5a2a6de6 8113 */
0cb5f8d9
MH		 8114 if (nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
8115 params->conf.peer_link_timeout)) {
5a2a6de6
MH		 8116 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
8117 goto fail;
8118 }
8119
6c1664f6
BC		 8120 nla_nest_end(msg, container);
8121
8122 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8123 msg = NULL;
8124 if (ret) {
8125 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
8126 ret, strerror(-ret));
a862e4a3 8127 goto fail;
6c1664f6
BC		 8128 }
8129 ret = 0;
f7e889fa 8130 bss->freq = params->freq.freq;
6c1664f6
BC		 8131 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
8132
a862e4a3 8133fail:
6c1664f6
BC		 8134 nlmsg_free(msg);
8135 return ret;
8136}
8137
8138
0cb5f8d9
MH		 8139static int
8140wpa_driver_nl80211_join_mesh(void *priv,
8141 struct wpa_driver_mesh_join_params *params)
8142{
8143 struct i802_bss *bss = priv;
8144 int ret, timeout;
8145
8146 timeout = params->conf.peer_link_timeout;
8147
8148 /* Disable kernel inactivity timer */
8149 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
8150 params->conf.peer_link_timeout = 0;
8151
8152 ret = nl80211_join_mesh(bss, params);
8153 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
8154 wpa_printf(MSG_DEBUG,
8155 "nl80211: Mesh join retry for peer_link_timeout");
8156 /*
8157 * Old kernel does not support setting
8158 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
8159 * into future from peer_link_timeout.
8160 */
8161 params->conf.peer_link_timeout = timeout + 60;
8162 ret = nl80211_join_mesh(priv, params);
8163 }
8164
8165 params->conf.peer_link_timeout = timeout;
8166 return ret;
8167}
8168
8169
6c1664f6
BC		 8170static int wpa_driver_nl80211_leave_mesh(void *priv)
8171{
8172 struct i802_bss *bss = priv;
8173 struct wpa_driver_nl80211_data *drv = bss->drv;
8174 struct nl_msg *msg;
9725b784 8175 int ret;
6c1664f6
BC		 8176
8177 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 8178 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 8179 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC		 8180 if (ret) {
8181 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
8182 ret, strerror(-ret));
a862e4a3
JM		 8183 } else {
8184 wpa_printf(MSG_DEBUG,
8185 "nl80211: mesh leave request send successfully");
6c1664f6 8186 }
6c1664f6 8187
f33c82d2
JM		 8188 if (wpa_driver_nl80211_set_mode(drv->first_bss,
8189 NL80211_IFTYPE_STATION)) {
8190 wpa_printf(MSG_INFO,
8191 "nl80211: Failed to set interface into station mode");
8192 }
6c1664f6
BC		 8193 return ret;
8194}
8195
8196#endif /* CONFIG_MESH */
8197
8198
ed4ddb6d
KP		 8199static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
8200 const u8 *ipaddr, int prefixlen,
8201 const u8 *addr)
71103bed
KP		 8202{
8203#ifdef CONFIG_LIBNL3_ROUTE
8204 struct i802_bss *bss = priv;
8205 struct wpa_driver_nl80211_data *drv = bss->drv;
8206 struct rtnl_neigh *rn;
8207 struct nl_addr *nl_ipaddr = NULL;
8208 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 8209 int family, addrsize;
71103bed
KP		 8210 int res;
8211
ed4ddb6d 8212 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP		 8213 return -EINVAL;
8214
8215 if (bss->br_ifindex == 0) {
8216 wpa_printf(MSG_DEBUG,
8217 "nl80211: bridge must be set before adding an ip neigh to it");
8218 return -1;
8219 }
8220
8221 if (!drv->rtnl_sk) {
8222 wpa_printf(MSG_DEBUG,
8223 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8224 return -1;
8225 }
8226
ed4ddb6d
KP		 8227 if (version == 4) {
8228 family = AF_INET;
8229 addrsize = 4;
8230 } else if (version == 6) {
8231 family = AF_INET6;
8232 addrsize = 16;
8233 } else {
8234 return -EINVAL;
8235 }
8236
71103bed
KP		 8237 rn = rtnl_neigh_alloc();
8238 if (rn == NULL)
8239 return -ENOMEM;
8240
8241 /* set the destination ip address for neigh */
ed4ddb6d 8242 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 8243 if (nl_ipaddr == NULL) {
8244 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8245 res = -ENOMEM;
8246 goto errout;
8247 }
8248 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
8249 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8250 if (res) {
8251 wpa_printf(MSG_DEBUG,
8252 "nl80211: neigh set destination addr failed");
8253 goto errout;
8254 }
8255
8256 /* set the corresponding lladdr for neigh */
8257 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
8258 if (nl_lladdr == NULL) {
8259 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
8260 res = -ENOMEM;
8261 goto errout;
8262 }
8263 rtnl_neigh_set_lladdr(rn, nl_lladdr);
8264
8265 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8266 rtnl_neigh_set_state(rn, NUD_PERMANENT);
8267
8268 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
8269 if (res) {
8270 wpa_printf(MSG_DEBUG,
8271 "nl80211: Adding bridge ip neigh failed: %s",
8272 strerror(errno));
8273 }
8274errout:
8275 if (nl_lladdr)
8276 nl_addr_put(nl_lladdr);
8277 if (nl_ipaddr)
8278 nl_addr_put(nl_ipaddr);
8279 if (rn)
8280 rtnl_neigh_put(rn);
8281 return res;
8282#else /* CONFIG_LIBNL3_ROUTE */
8283 return -1;
8284#endif /* CONFIG_LIBNL3_ROUTE */
8285}
8286
8287
ed4ddb6d
KP		 8288static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
8289 const u8 *ipaddr)
71103bed
KP		 8290{
8291#ifdef CONFIG_LIBNL3_ROUTE
8292 struct i802_bss *bss = priv;
8293 struct wpa_driver_nl80211_data *drv = bss->drv;
8294 struct rtnl_neigh *rn;
8295 struct nl_addr *nl_ipaddr;
ed4ddb6d 8296 int family, addrsize;
71103bed
KP		 8297 int res;
8298
ed4ddb6d 8299 if (!ipaddr)
71103bed
KP		 8300 return -EINVAL;
8301
ed4ddb6d
KP		 8302 if (version == 4) {
8303 family = AF_INET;
8304 addrsize = 4;
8305 } else if (version == 6) {
8306 family = AF_INET6;
8307 addrsize = 16;
8308 } else {
8309 return -EINVAL;
8310 }
8311
71103bed
KP		 8312 if (bss->br_ifindex == 0) {
8313 wpa_printf(MSG_DEBUG,
8314 "nl80211: bridge must be set to delete an ip neigh");
8315 return -1;
8316 }
8317
8318 if (!drv->rtnl_sk) {
8319 wpa_printf(MSG_DEBUG,
8320 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8321 return -1;
8322 }
8323
8324 rn = rtnl_neigh_alloc();
8325 if (rn == NULL)
8326 return -ENOMEM;
8327
8328 /* set the destination ip address for neigh */
ed4ddb6d 8329 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 8330 if (nl_ipaddr == NULL) {
8331 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8332 res = -ENOMEM;
8333 goto errout;
8334 }
8335 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8336 if (res) {
8337 wpa_printf(MSG_DEBUG,
8338 "nl80211: neigh set destination addr failed");
8339 goto errout;
8340 }
8341
8342 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8343
8344 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
8345 if (res) {
8346 wpa_printf(MSG_DEBUG,
8347 "nl80211: Deleting bridge ip neigh failed: %s",
8348 strerror(errno));
8349 }
8350errout:
8351 if (nl_ipaddr)
8352 nl_addr_put(nl_ipaddr);
8353 if (rn)
8354 rtnl_neigh_put(rn);
8355 return res;
8356#else /* CONFIG_LIBNL3_ROUTE */
8357 return -1;
8358#endif /* CONFIG_LIBNL3_ROUTE */
8359}
8360
8361
73d2294f
KP		 8362static int linux_write_system_file(const char *path, unsigned int val)
8363{
8364 char buf[50];
8365 int fd, len;
8366
8367 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 8368 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP		 8369 return -1;
8370
8371 fd = open(path, O_WRONLY);
8372 if (fd < 0)
8373 return -1;
8374
8375 if (write(fd, buf, len) < 0) {
8376 wpa_printf(MSG_DEBUG,
8377 "nl80211: Failed to write Linux system file: %s with the value of %d",
8378 path, val);
8379 close(fd);
8380 return -1;
8381 }
8382 close(fd);
8383
8384 return 0;
8385}
8386
8387
8388static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
8389{
8390 switch (attr) {
8391 case DRV_BR_PORT_ATTR_PROXYARP:
bea8d9a3 8392 return "proxyarp_wifi";
73d2294f
KP		 8393 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
8394 return "hairpin_mode";
8395 }
8396
8397 return NULL;
8398}
8399
8400
8401static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
8402 unsigned int val)
8403{
8404 struct i802_bss *bss = priv;
8405 char path[128];
8406 const char *attr_txt;
8407
8408 attr_txt = drv_br_port_attr_str(attr);
8409 if (attr_txt == NULL)
8410 return -EINVAL;
8411
8412 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
8413 bss->ifname, attr_txt);
8414
8415 if (linux_write_system_file(path, val))
8416 return -1;
8417
8418 return 0;
8419}
8420
8421
7565752d
KP		 8422static const char * drv_br_net_param_str(enum drv_br_net_param param)
8423{
8424 switch (param) {
8425 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8426 return "arp_accept";
60eb9e17
JM		 8427 default:
8428 return NULL;
7565752d 8429 }
7565752d
KP		 8430}
8431
8432
8433static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
8434 unsigned int val)
8435{
8436 struct i802_bss *bss = priv;
8437 char path[128];
8438 const char *param_txt;
8439 int ip_version = 4;
8440
60eb9e17
JM		 8441 if (param == DRV_BR_MULTICAST_SNOOPING) {
8442 os_snprintf(path, sizeof(path),
8443 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
8444 bss->brname);
8445 goto set_val;
8446 }
8447
7565752d
KP		 8448 param_txt = drv_br_net_param_str(param);
8449 if (param_txt == NULL)
8450 return -EINVAL;
8451
8452 switch (param) {
8453 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8454 ip_version = 4;
8455 break;
8456 default:
8457 return -EINVAL;
8458 }
8459
8460 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
8461 ip_version, bss->brname, param_txt);
8462
60eb9e17 8463set_val:
7565752d
KP		 8464 if (linux_write_system_file(path, val))
8465 return -1;
8466
8467 return 0;
8468}
8469
8470
b658547d
JM		 8471#ifdef CONFIG_DRIVER_NL80211_QCA
8472
16689c7c
PX		 8473static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
8474{
8475 switch (hw_mode) {
8476 case HOSTAPD_MODE_IEEE80211B:
8477 return QCA_ACS_MODE_IEEE80211B;
8478 case HOSTAPD_MODE_IEEE80211G:
8479 return QCA_ACS_MODE_IEEE80211G;
8480 case HOSTAPD_MODE_IEEE80211A:
8481 return QCA_ACS_MODE_IEEE80211A;
8482 case HOSTAPD_MODE_IEEE80211AD:
8483 return QCA_ACS_MODE_IEEE80211AD;
3784c058
PX		 8484 case HOSTAPD_MODE_IEEE80211ANY:
8485 return QCA_ACS_MODE_IEEE80211ANY;
16689c7c
PX		 8486 default:
8487 return -1;
8488 }
8489}
8490
8491
d0cdccd3
PX		 8492static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
8493{
8494 int i, len, ret;
8495 u32 *freqs;
8496
8497 if (!freq_list)
8498 return 0;
8499 len = int_array_len(freq_list);
8500 freqs = os_malloc(sizeof(u32) * len);
8501 if (!freqs)
8502 return -1;
8503 for (i = 0; i < len; i++)
8504 freqs[i] = freq_list[i];
8505 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
8506 sizeof(u32) * len, freqs);
8507 os_free(freqs);
8508 return ret;
8509}
8510
8511
16689c7c
PX		 8512static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
8513{
8514 struct i802_bss *bss = priv;
8515 struct wpa_driver_nl80211_data *drv = bss->drv;
8516 struct nl_msg *msg;
8517 struct nlattr *data;
a862e4a3 8518 int ret;
16689c7c
PX		 8519 int mode;
8520
8521 mode = hw_mode_to_qca_acs(params->hw_mode);
8522 if (mode < 0)
8523 return -1;
8524
9725b784 8525 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 8526 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8527 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8528 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
8529 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8530 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
8531 (params->ht_enabled &&
8532 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
8533 (params->ht40_enabled &&
857d9422
MM		 8534 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
8535 (params->vht_enabled &&
8536 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
8537 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
8538 params->ch_width) ||
8539 (params->ch_list_len &&
8540 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
d0cdccd3
PX		 8541 params->ch_list)) ||
8542 add_acs_freq_list(msg, params->freq_list)) {
a862e4a3
JM		 8543 nlmsg_free(msg);
8544 return -ENOBUFS;
8545 }
16689c7c
PX		 8546 nla_nest_end(msg, data);
8547
857d9422
MM		 8548 wpa_printf(MSG_DEBUG,
8549 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
8550 params->hw_mode, params->ht_enabled, params->ht40_enabled,
8551 params->vht_enabled, params->ch_width, params->ch_list_len);
8552
16689c7c 8553 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX		 8554 if (ret) {
8555 wpa_printf(MSG_DEBUG,
8556 "nl80211: Failed to invoke driver ACS function: %s",
8557 strerror(errno));
8558 }
16689c7c
PX		 8559 return ret;
8560}
8561
8562
844dfeb8
SD		 8563static int nl80211_set_band(void *priv, enum set_band band)
8564{
8565 struct i802_bss *bss = priv;
8566 struct wpa_driver_nl80211_data *drv = bss->drv;
8567 struct nl_msg *msg;
8568 struct nlattr *data;
8569 int ret;
8570 enum qca_set_band qca_band;
8571
8572 if (!drv->setband_vendor_cmd_avail)
8573 return -1;
8574
8575 switch (band) {
8576 case WPA_SETBAND_AUTO:
8577 qca_band = QCA_SETBAND_AUTO;
8578 break;
8579 case WPA_SETBAND_5G:
8580 qca_band = QCA_SETBAND_5G;
8581 break;
8582 case WPA_SETBAND_2G:
8583 qca_band = QCA_SETBAND_2G;
8584 break;
8585 default:
8586 return -1;
8587 }
8588
8589 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8590 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8591 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8592 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
8593 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8594 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
8595 nlmsg_free(msg);
8596 return -ENOBUFS;
8597 }
8598 nla_nest_end(msg, data);
8599
8600 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8601 if (ret) {
8602 wpa_printf(MSG_DEBUG,
8603 "nl80211: Driver setband function failed: %s",
8604 strerror(errno));
8605 }
8606 return ret;
8607}
8608
8609
98342208
AK		 8610struct nl80211_pcl {
8611 unsigned int num;
8612 unsigned int *freq_list;
8613};
8614
8615static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
8616{
8617 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8618 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8619 struct nl80211_pcl *param = arg;
8620 struct nlattr *nl_vend, *attr;
8621 enum qca_iface_type iface_type;
8622 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
8623 unsigned int num, max_num;
8624 u32 *freqs;
8625
8626 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8627 genlmsg_attrlen(gnlh, 0), NULL);
8628
8629 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
8630 if (!nl_vend)
8631 return NL_SKIP;
8632
8633 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
8634 nla_data(nl_vend), nla_len(nl_vend), NULL);
8635
8636 attr = tb_vendor[
8637 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
8638 if (!attr) {
8639 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
8640 param->num = 0;
8641 return NL_SKIP;
8642 }
8643
8644 iface_type = (enum qca_iface_type) nla_get_u32(attr);
8645 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
8646 iface_type);
8647
8648 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
8649 if (!attr) {
8650 wpa_printf(MSG_ERROR,
8651 "nl80211: preferred_freq_list couldn't be found");
8652 param->num = 0;
8653 return NL_SKIP;
8654 }
8655
8656 /*
8657 * param->num has the maximum number of entries for which there
8658 * is room in the freq_list provided by the caller.
8659 */
8660 freqs = nla_data(attr);
8661 max_num = nla_len(attr) / sizeof(u32);
8662 if (max_num > param->num)
8663 max_num = param->num;
8664 for (num = 0; num < max_num; num++)
8665 param->freq_list[num] = freqs[num];
8666 param->num = num;
8667
8668 return NL_SKIP;
8669}
8670
8671
8672static int nl80211_get_pref_freq_list(void *priv,
8673 enum wpa_driver_if_type if_type,
8674 unsigned int *num,
8675 unsigned int *freq_list)
8676{
8677 struct i802_bss *bss = priv;
8678 struct wpa_driver_nl80211_data *drv = bss->drv;
8679 struct nl_msg *msg;
8680 int ret;
8681 unsigned int i;
8682 struct nlattr *params;
8683 struct nl80211_pcl param;
8684 enum qca_iface_type iface_type;
8685
8686 if (!drv->get_pref_freq_list)
8687 return -1;
8688
8689 switch (if_type) {
8690 case WPA_IF_STATION:
8691 iface_type = QCA_IFACE_TYPE_STA;
8692 break;
8693 case WPA_IF_AP_BSS:
8694 iface_type = QCA_IFACE_TYPE_AP;
8695 break;
8696 case WPA_IF_P2P_GO:
8697 iface_type = QCA_IFACE_TYPE_P2P_GO;
8698 break;
8699 case WPA_IF_P2P_CLIENT:
8700 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
8701 break;
8702 case WPA_IF_IBSS:
8703 iface_type = QCA_IFACE_TYPE_IBSS;
8704 break;
8705 case WPA_IF_TDLS:
8706 iface_type = QCA_IFACE_TYPE_TDLS;
8707 break;
8708 default:
8709 return -1;
8710 }
8711
8712 param.num = *num;
8713 param.freq_list = freq_list;
8714
8715 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8716 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
8717 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8718 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8719 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
8720 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8721 nla_put_u32(msg,
8722 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
8723 iface_type)) {
8724 wpa_printf(MSG_ERROR,
8725 "%s: err in adding vendor_cmd and vendor_data",
8726 __func__);
8727 nlmsg_free(msg);
8728 return -1;
8729 }
8730 nla_nest_end(msg, params);
8731
8732 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
8733 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
8734 if (ret) {
8735 wpa_printf(MSG_ERROR,
8736 "%s: err in send_and_recv_msgs", __func__);
8737 return ret;
8738 }
8739
8740 *num = param.num;
8741
8742 for (i = 0; i < *num; i++) {
8743 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
8744 i, freq_list[i]);
8745 }
8746
8747 return 0;
8748}
8749
8750
7c813acf
AK		 8751static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
8752{
8753 struct i802_bss *bss = priv;
8754 struct wpa_driver_nl80211_data *drv = bss->drv;
8755 struct nl_msg *msg;
8756 int ret;
8757 struct nlattr *params;
8758
8759 if (!drv->set_prob_oper_freq)
8760 return -1;
8761
8762 wpa_printf(MSG_DEBUG,
8763 "nl80211: Set P2P probable operating freq %u for ifindex %d",
8764 freq, bss->ifindex);
8765
8766 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8767 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8768 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8769 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
8770 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8771 nla_put_u32(msg,
8772 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
8773 QCA_IFACE_TYPE_P2P_CLIENT) ||
8774 nla_put_u32(msg,
8775 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
8776 freq)) {
8777 wpa_printf(MSG_ERROR,
8778 "%s: err in adding vendor_cmd and vendor_data",
8779 __func__);
8780 nlmsg_free(msg);
8781 return -1;
8782 }
8783 nla_nest_end(msg, params);
8784
8785 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8786 msg = NULL;
8787 if (ret) {
8788 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
8789 __func__);
8790 return ret;
8791 }
8792 nlmsg_free(msg);
8793 return 0;
8794}
8795
b658547d
JM		 8796#endif /* CONFIG_DRIVER_NL80211_QCA */
8797
7c813acf 8798
3f5285e8
JM		 8799const struct wpa_driver_ops wpa_driver_nl80211_ops = {
8800 .name = "nl80211",
8801 .desc = "Linux nl80211/cfg80211",
8802 .get_bssid = wpa_driver_nl80211_get_bssid,
8803 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 8804 .set_key = driver_nl80211_set_key,
8805 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 8806 .sched_scan = wpa_driver_nl80211_sched_scan,
8807 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 8808 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
4f30addb 8809 .abort_scan = wpa_driver_nl80211_abort_scan,
9ebce9c5
JM		 8810 .deauthenticate = driver_nl80211_deauthenticate,
8811 .authenticate = driver_nl80211_authenticate,
3f5285e8 8812 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 8813 .global_init = nl80211_global_init,
8814 .global_deinit = nl80211_global_deinit,
8815 .init2 = wpa_driver_nl80211_init,
9ebce9c5 8816 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 8817 .get_capa = wpa_driver_nl80211_get_capa,
8818 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 8819 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 8820 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 8821 .get_country = wpa_driver_nl80211_get_country,
19c3b566 8822 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 8823 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 8824 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 8825 .if_remove = driver_nl80211_if_remove,
8826 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 8827 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 8828 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 8829 .sta_remove = driver_nl80211_sta_remove,
db149ac9 8830 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 8831 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837 8832 .hapd_init = i802_init,
c5121837 8833 .hapd_deinit = i802_deinit,
f7b3920c 8834 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 8835 .get_seqnum = i802_get_seqnum,
8836 .flush = i802_flush,
c5121837
JM		 8837 .get_inact_sec = i802_get_inact_sec,
8838 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 8839 .set_rts = i802_set_rts,
8840 .set_frag = i802_set_frag,
c5121837 8841 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 8842 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 8843 .sta_deauth = i802_sta_deauth,
8844 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 8845 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 8846 .set_freq = i802_set_freq,
9ebce9c5 8847 .send_action = driver_nl80211_send_action,
5dfca53f 8848 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 8849 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
8850 .cancel_remain_on_channel =
8851 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 8852 .probe_req_report = driver_nl80211_probe_req_report,
af473088 8853 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 8854 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 8855 .resume = wpa_driver_nl80211_resume,
b625473c 8856 .signal_monitor = nl80211_signal_monitor,
1c5c7273 8857 .signal_poll = nl80211_signal_poll,
b91ab76e 8858 .send_frame = nl80211_send_frame,
c55f774d 8859 .set_param = nl80211_set_param,
6859f1cb 8860 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 8861 .add_pmkid = nl80211_add_pmkid,
8862 .remove_pmkid = nl80211_remove_pmkid,
8863 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 8864 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 8865 .poll_client = nl80211_poll_client,
29f338af 8866 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 8867 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 8868 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 8869#ifdef CONFIG_TDLS
8870 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
8871 .tdls_oper = nl80211_tdls_oper,
72b2605f
AN		 8872 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
8873 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
03ea1786 8874#endif /* CONFIG_TDLS */
6a1ce395 8875 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 8876 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 8877 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 8878 .status = wpa_driver_nl80211_status,
1c4ffa87 8879 .switch_channel = nl80211_switch_channel,
0de38036
JM		 8880#ifdef ANDROID_P2P
8881 .set_noa = wpa_driver_set_p2p_noa,
8882 .get_noa = wpa_driver_get_p2p_noa,
8883 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
8884#endif /* ANDROID_P2P */
5e2c3490 8885#ifdef ANDROID
ded14ce9 8886#ifndef ANDROID_LIB_STUB
5e2c3490 8887 .driver_cmd = wpa_driver_nl80211_driver_cmd,
ded14ce9 8888#endif /* !ANDROID_LIB_STUB */
5e2c3490 8889#endif /* ANDROID */
adef8948 8890 .vendor_cmd = nl80211_vendor_cmd,
049105b4 8891 .set_qos_map = nl80211_set_qos_map,
e4fa8b12 8892 .set_wowlan = nl80211_set_wowlan,
b658547d 8893#ifdef CONFIG_DRIVER_NL80211_QCA
0800f9ee 8894 .roaming = nl80211_roaming,
b658547d 8895#endif /* CONFIG_DRIVER_NL80211_QCA */
fee354c7 8896 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 8897#ifdef CONFIG_MESH
8898 .init_mesh = wpa_driver_nl80211_init_mesh,
8899 .join_mesh = wpa_driver_nl80211_join_mesh,
8900 .leave_mesh = wpa_driver_nl80211_leave_mesh,
8901#endif /* CONFIG_MESH */
71103bed
KP		 8902 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
8903 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 8904 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 8905 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB		 8906 .add_tx_ts = nl80211_add_ts,
8907 .del_tx_ts = nl80211_del_ts,
b658547d 8908#ifdef CONFIG_DRIVER_NL80211_QCA
16689c7c 8909 .do_acs = wpa_driver_do_acs,
844dfeb8 8910 .set_band = nl80211_set_band,
98342208 8911 .get_pref_freq_list = nl80211_get_pref_freq_list,
7c813acf 8912 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
b658547d 8913#endif /* CONFIG_DRIVER_NL80211_QCA */
3f5285e8 8914};
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