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nl80211: Use a helper function for putting beacon interval
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
90a545cc 3 * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
072ad14c
JM		 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
58f6fbe0 7 * Copyright (c) 2009-2010, Atheros Communications
3f5285e8 8 *
0f3d578e
JM		 9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
3f5285e8
JM		 11 */
12
13#include "includes.h"
6859f1cb 14#include <sys/types.h>
73d2294f 15#include <fcntl.h>
37b7d082 16#include <net/if.h>
3f5285e8 17#include <netlink/genl/genl.h>
3f5285e8 18#include <netlink/genl/ctrl.h>
97ed9a06
KP		 19#ifdef CONFIG_LIBNL3_ROUTE
20#include <netlink/route/neighbour.h>
21#endif /* CONFIG_LIBNL3_ROUTE */
8602b0f2 22#include <linux/rtnetlink.h>
1b648c7e 23#include <netpacket/packet.h>
32ab4855 24#include <linux/errqueue.h>
625f587b 25
3f5285e8 26#include "common.h"
1b648c7e 27#include "eloop.h"
1682c623 28#include "common/qca-vendor.h"
a26582cb 29#include "common/qca-vendor-attr.h"
1b648c7e 30#include "common/ieee802_11_defs.h"
9b90955e 31#include "common/ieee802_11_common.h"
f10bfc9a 32#include "l2_packet/l2_packet.h"
e2d02c29 33#include "netlink.h"
1474e6e9 34#include "linux_defines.h"
34f2f814 35#include "linux_ioctl.h"
e2d02c29
JM		 36#include "radiotap.h"
37#include "radiotap_iter.h"
8401a6b0 38#include "rfkill.h"
1474e6e9 39#include "driver_nl80211.h"
32ab4855 40
1474e6e9
JM		 41
42#ifndef CONFIG_LIBNL20
a65a9aed
JB		 43/*
44 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
45 * but when you free a socket again it will mess up its bitmap and
46 * and use the wrong number the next time it needs a socket ID.
47 * Therefore, we wrap the handle alloc/destroy and add our own pid
48 * accounting.
49 */
50static uint32_t port_bitmap[32] = { 0 };
51
52static struct nl_handle *nl80211_handle_alloc(void *cb)
53{
54 struct nl_handle *handle;
55 uint32_t pid = getpid() & 0x3FFFFF;
56 int i;
57
58 handle = nl_handle_alloc_cb(cb);
59
60 for (i = 0; i < 1024; i++) {
61 if (port_bitmap[i / 32] & (1 << (i % 32)))
62 continue;
63 port_bitmap[i / 32] |= 1 << (i % 32);
64 pid += i << 22;
65 break;
66 }
67
68 nl_socket_set_local_port(handle, pid);
69
70 return handle;
71}
72
73static void nl80211_handle_destroy(struct nl_handle *handle)
74{
75 uint32_t port = nl_socket_get_local_port(handle);
76
77 port >>= 22;
78 port_bitmap[port / 32] &= ~(1 << (port % 32));
79
80 nl_handle_destroy(handle);
81}
c5121837
JM		 82#endif /* CONFIG_LIBNL20 */
83
c5121837 84
1c6edec6
JM		 85#ifdef ANDROID
86/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
1c6edec6
JM		 87#undef nl_socket_set_nonblocking
88#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
70a96c81
JM		 89
90#define genl_ctrl_resolve android_genl_ctrl_resolve
1c6edec6
JM		 91#endif /* ANDROID */
92
93
481234cf 94static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 95{
481234cf 96 struct nl_handle *handle;
a92dfde8 97
481234cf
JM		 98 handle = nl80211_handle_alloc(cb);
99 if (handle == NULL) {
a92dfde8
JB		 100 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
101 "callbacks (%s)", dbg);
481234cf 102 return NULL;
a92dfde8
JB		 103 }
104
481234cf 105 if (genl_connect(handle)) {
a92dfde8
JB		 106 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
107 "netlink (%s)", dbg);
481234cf
JM		 108 nl80211_handle_destroy(handle);
109 return NULL;
a92dfde8
JB		 110 }
111
481234cf 112 return handle;
a92dfde8
JB		 113}
114
115
481234cf 116static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 117{
481234cf 118 if (*handle == NULL)
a92dfde8 119 return;
481234cf
JM		 120 nl80211_handle_destroy(*handle);
121 *handle = NULL;
a92dfde8
JB		 122}
123
124
10b85921
JB		 125#if __WORDSIZE == 64
126#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
127#else
128#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
129#endif
130
5f65e9f7
JB		 131static void nl80211_register_eloop_read(struct nl_handle **handle,
132 eloop_sock_handler handler,
133 void *eloop_data)
134{
10b85921 135 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 136 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
137 eloop_data, *handle);
10b85921 138 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 139}
140
141
142static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
143{
10b85921 144 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 145 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
146 nl_destroy_handles(handle);
147}
148
149
36d84860
BG		 150static void nl80211_global_deinit(void *priv);
151
9ebce9c5 152static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
4ec68377
JD		 153static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
154 struct hostapd_freq_params *freq);
3c5d34e3 155
362f781e 156static int
0d547d5f 157wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 158 const u8 *set_addr, int first,
159 const char *driver_params);
88df0ef7 160static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 161 unsigned int freq, unsigned int wait,
b106173a 162 const u8 *buf, size_t buf_len, u64 *cookie,
88df0ef7 163 int no_cck, int no_ack, int offchanok);
9ebce9c5
JM		 164static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
165 int report);
0915d02c 166
2135f224
JM		 167static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
168static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
97cfcf64 169static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
072ad14c 170
e87ef751
PX		 171static int nl80211_set_channel(struct i802_bss *bss,
172 struct hostapd_freq_params *freq, int set_chan);
4e5cb1a3
JM		 173static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
174 int ifindex, int disabled);
504e905c 175
666e508c
JM		 176static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
177 int reset_mode);
21bdbe38 178
bf83eab5 179static int i802_set_iface_flags(struct i802_bss *bss, int up);
0ecff8d7 180static int nl80211_set_param(void *priv, const char *param);
bf83eab5 181
3f5285e8 182
8d1fdde7 183/* Converts nl80211_chan_width to a common format */
f3407c66 184enum chan_width convert2width(int width)
8d1fdde7
JD		 185{
186 switch (width) {
187 case NL80211_CHAN_WIDTH_20_NOHT:
188 return CHAN_WIDTH_20_NOHT;
189 case NL80211_CHAN_WIDTH_20:
190 return CHAN_WIDTH_20;
191 case NL80211_CHAN_WIDTH_40:
192 return CHAN_WIDTH_40;
193 case NL80211_CHAN_WIDTH_80:
194 return CHAN_WIDTH_80;
195 case NL80211_CHAN_WIDTH_80P80:
196 return CHAN_WIDTH_80P80;
197 case NL80211_CHAN_WIDTH_160:
198 return CHAN_WIDTH_160;
199 }
200 return CHAN_WIDTH_UNKNOWN;
201}
202
203
f3407c66 204int is_ap_interface(enum nl80211_iftype nlmode)
b1f625e0 205{
0e80ea2c
JM		 206 return nlmode == NL80211_IFTYPE_AP ||
207 nlmode == NL80211_IFTYPE_P2P_GO;
b1f625e0
EP		 208}
209
210
477af8f8 211int is_sta_interface(enum nl80211_iftype nlmode)
b1f625e0 212{
0e80ea2c
JM		 213 return nlmode == NL80211_IFTYPE_STATION ||
214 nlmode == NL80211_IFTYPE_P2P_CLIENT;
b1f625e0
EP		 215}
216
217
6a71413e 218static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2 219{
0e80ea2c
JM		 220 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
221 nlmode == NL80211_IFTYPE_P2P_GO;
b3af99d2
JM		 222}
223
224
f3407c66
JM		 225struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
226 int ifindex)
5dfbd725
JM		 227{
228 struct i802_bss *bss;
229
230 for (bss = drv->first_bss; bss; bss = bss->next) {
231 if (bss->ifindex == ifindex)
232 return bss;
233 }
234
235 return NULL;
236}
237
238
afb0550a
BC		 239static int is_mesh_interface(enum nl80211_iftype nlmode)
240{
241 return nlmode == NL80211_IFTYPE_MESH_POINT;
242}
243
244
f3407c66 245void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
add9b7a4
JM		 246{
247 if (drv->associated)
248 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
249 drv->associated = 0;
250 os_memset(drv->bssid, 0, ETH_ALEN);
251}
252
253
6241fcb1
JM		 254/* nl80211 code */
255static int ack_handler(struct nl_msg *msg, void *arg)
256{
257 int *err = arg;
258 *err = 0;
259 return NL_STOP;
260}
261
262static int finish_handler(struct nl_msg *msg, void *arg)
263{
8e8df255
JM		 264 int *ret = arg;
265 *ret = 0;
6241fcb1
JM		 266 return NL_SKIP;
267}
268
269static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
270 void *arg)
271{
272 int *ret = arg;
273 *ret = err->error;
274 return NL_SKIP;
275}
276
5b7b85f6
JM		 277
278static int no_seq_check(struct nl_msg *msg, void *arg)
279{
280 return NL_OK;
281}
282
283
bbd89bfc
JM		 284static void nl80211_nlmsg_clear(struct nl_msg *msg)
285{
286 /*
287 * Clear nlmsg data, e.g., to make sure key material is not left in
288 * heap memory for unnecessarily long time.
289 */
290 if (msg) {
291 struct nlmsghdr *hdr = nlmsg_hdr(msg);
292 void *data = nlmsg_data(hdr);
d58ade21
JM		 293 /*
294 * This would use nlmsg_datalen() or the older nlmsg_len() if
295 * only libnl were to maintain a stable API.. Neither will work
296 * with all released versions, so just calculate the length
297 * here.
298 */
299 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
bbd89bfc
JM		 300
301 os_memset(data, 0, len);
302 }
303}
304
305
d6c9aab8 306static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 307 struct nl_handle *nl_handle, struct nl_msg *msg,
308 int (*valid_handler)(struct nl_msg *, void *),
309 void *valid_data)
6241fcb1
JM		 310{
311 struct nl_cb *cb;
312 int err = -ENOMEM;
313
9725b784
JM		 314 if (!msg)
315 return -ENOMEM;
316
d6c9aab8 317 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 318 if (!cb)
319 goto out;
320
58f6fbe0 321 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 322 if (err < 0)
323 goto out;
324
325 err = 1;
326
327 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 328 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 329 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
330
331 if (valid_handler)
332 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
333 valid_handler, valid_data);
334
34068ac3
JM		 335 while (err > 0) {
336 int res = nl_recvmsgs(nl_handle, cb);
d3d04831 337 if (res < 0) {
34068ac3
JM		 338 wpa_printf(MSG_INFO,
339 "nl80211: %s->nl_recvmsgs failed: %d",
340 __func__, res);
341 }
342 }
6241fcb1
JM		 343 out:
344 nl_cb_put(cb);
bbd89bfc
JM		 345 if (!valid_handler && valid_data == (void *) -1)
346 nl80211_nlmsg_clear(msg);
6241fcb1
JM		 347 nlmsg_free(msg);
348 return err;
349}
350
351
f3407c66
JM		 352int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
353 struct nl_msg *msg,
354 int (*valid_handler)(struct nl_msg *, void *),
355 void *valid_data)
58f6fbe0 356{
481234cf 357 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 358 valid_handler, valid_data);
58f6fbe0
JM		 359}
360
361
97865538
JM		 362struct family_data {
363 const char *group;
364 int id;
365};
366
367
368static int family_handler(struct nl_msg *msg, void *arg)
369{
370 struct family_data *res = arg;
371 struct nlattr *tb[CTRL_ATTR_MAX + 1];
372 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
373 struct nlattr *mcgrp;
374 int i;
375
376 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
377 genlmsg_attrlen(gnlh, 0), NULL);
378 if (!tb[CTRL_ATTR_MCAST_GROUPS])
379 return NL_SKIP;
380
381 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
382 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
383 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
384 nla_len(mcgrp), NULL);
385 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
386 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
387 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
388 res->group,
389 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
390 continue;
391 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
392 break;
393 };
394
395 return NL_SKIP;
396}
397
398
d6c9aab8 399static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 400 const char *family, const char *group)
401{
402 struct nl_msg *msg;
a862e4a3 403 int ret;
97865538
JM		 404 struct family_data res = { group, -ENOENT };
405
406 msg = nlmsg_alloc();
407 if (!msg)
408 return -ENOMEM;
a862e4a3
JM		 409 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
410 0, 0, CTRL_CMD_GETFAMILY, 0) ||
411 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
412 nlmsg_free(msg);
413 return -1;
414 }
97865538 415
1033315f 416 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
97865538
JM		 417 if (ret == 0)
418 ret = res.id;
97865538
JM		 419 return ret;
420}
421
422
f3407c66
JM		 423void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
424 struct nl_msg *msg, int flags, uint8_t cmd)
9fb04070 425{
335d42b1 426 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 427 0, flags, cmd, 0);
9fb04070
JM		 428}
429
430
350acc35
JM		 431static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
432{
433 if (bss->wdev_id_set)
434 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
435 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
436}
437
438
07c7757c
JM		 439struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
440{
441 struct nl_msg *msg;
442
443 msg = nlmsg_alloc();
444 if (!msg)
445 return NULL;
446
447 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
448 nl80211_set_iface_id(msg, bss) < 0) {
449 nlmsg_free(msg);
450 return NULL;
451 }
452
453 return msg;
454}
455
456
457static struct nl_msg *
458nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
459 int flags, uint8_t cmd)
460{
461 struct nl_msg *msg;
462
463 msg = nlmsg_alloc();
464 if (!msg)
465 return NULL;
466
467 if (!nl80211_cmd(drv, msg, flags, cmd) ||
468 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
469 nlmsg_free(msg);
470 return NULL;
471 }
472
473 return msg;
474}
475
476
477struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
478 uint8_t cmd)
479{
480 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
481}
482
483
484struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
485{
486 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
487}
488
489
e32ad281
JB		 490struct wiphy_idx_data {
491 int wiphy_idx;
01517c8b 492 enum nl80211_iftype nlmode;
597b94f5 493 u8 *macaddr;
e32ad281
JB		 494};
495
496
497static int netdev_info_handler(struct nl_msg *msg, void *arg)
498{
499 struct nlattr *tb[NL80211_ATTR_MAX + 1];
500 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
501 struct wiphy_idx_data *info = arg;
502
503 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
504 genlmsg_attrlen(gnlh, 0), NULL);
505
506 if (tb[NL80211_ATTR_WIPHY])
507 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
508
01517c8b
JB		 509 if (tb[NL80211_ATTR_IFTYPE])
510 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
511
597b94f5
AS		 512 if (tb[NL80211_ATTR_MAC] && info->macaddr)
513 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
514 ETH_ALEN);
515
e32ad281
JB		 516 return NL_SKIP;
517}
518
519
f3407c66 520int nl80211_get_wiphy_index(struct i802_bss *bss)
e32ad281
JB		 521{
522 struct nl_msg *msg;
523 struct wiphy_idx_data data = {
524 .wiphy_idx = -1,
597b94f5 525 .macaddr = NULL,
e32ad281
JB		 526 };
527
56f77852 528 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 529 return -1;
e32ad281
JB		 530
531 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
532 return data.wiphy_idx;
e32ad281
JB		 533 return -1;
534}
535
536
01517c8b
JB		 537static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
538{
539 struct nl_msg *msg;
540 struct wiphy_idx_data data = {
597b94f5
AS		 541 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
542 .macaddr = NULL,
01517c8b
JB		 543 };
544
56f77852 545 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 546 return NL80211_IFTYPE_UNSPECIFIED;
01517c8b
JB		 547
548 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
549 return data.nlmode;
01517c8b
JB		 550 return NL80211_IFTYPE_UNSPECIFIED;
551}
01517c8b
JB		 552
553
597b94f5
AS		 554static int nl80211_get_macaddr(struct i802_bss *bss)
555{
556 struct nl_msg *msg;
557 struct wiphy_idx_data data = {
558 .macaddr = bss->addr,
559 };
560
56f77852 561 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 562 return -1;
597b94f5 563
597b94f5 564 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
597b94f5 565}
597b94f5
AS		 566
567
e32ad281
JB		 568static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
569 struct nl80211_wiphy_data *w)
570{
571 struct nl_msg *msg;
a862e4a3 572 int ret;
e32ad281
JB		 573
574 msg = nlmsg_alloc();
575 if (!msg)
576 return -1;
577
a862e4a3
JM		 578 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
579 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
580 nlmsg_free(msg);
581 return -1;
582 }
e32ad281 583
481234cf 584 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 585 if (ret) {
586 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
587 "failed: ret=%d (%s)",
588 ret, strerror(-ret));
e32ad281 589 }
e32ad281
JB		 590 return ret;
591}
592
593
594static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
595{
596 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 597 int res;
e32ad281 598
ee9fc67a 599 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 600
34068ac3 601 res = nl_recvmsgs(handle, w->nl_cb);
d3d04831 602 if (res < 0) {
34068ac3
JM		 603 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
604 __func__, res);
605 }
e32ad281
JB		 606}
607
608
609static int process_beacon_event(struct nl_msg *msg, void *arg)
610{
611 struct nl80211_wiphy_data *w = arg;
612 struct wpa_driver_nl80211_data *drv;
613 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
614 struct nlattr *tb[NL80211_ATTR_MAX + 1];
615 union wpa_event_data event;
616
617 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
618 genlmsg_attrlen(gnlh, 0), NULL);
619
620 if (gnlh->cmd != NL80211_CMD_FRAME) {
621 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
622 gnlh->cmd);
623 return NL_SKIP;
624 }
625
626 if (!tb[NL80211_ATTR_FRAME])
627 return NL_SKIP;
628
629 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
630 wiphy_list) {
631 os_memset(&event, 0, sizeof(event));
632 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
633 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
634 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
635 }
636
637 return NL_SKIP;
638}
639
640
641static struct nl80211_wiphy_data *
642nl80211_get_wiphy_data_ap(struct i802_bss *bss)
643{
644 static DEFINE_DL_LIST(nl80211_wiphys);
645 struct nl80211_wiphy_data *w;
646 int wiphy_idx, found = 0;
647 struct i802_bss *tmp_bss;
648
649 if (bss->wiphy_data != NULL)
650 return bss->wiphy_data;
651
652 wiphy_idx = nl80211_get_wiphy_index(bss);
653
654 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
655 if (w->wiphy_idx == wiphy_idx)
656 goto add;
657 }
658
659 /* alloc new one */
660 w = os_zalloc(sizeof(*w));
661 if (w == NULL)
662 return NULL;
663 w->wiphy_idx = wiphy_idx;
664 dl_list_init(&w->bsss);
665 dl_list_init(&w->drvs);
666
667 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
668 if (!w->nl_cb) {
669 os_free(w);
670 return NULL;
671 }
672 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
673 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
674 w);
675
481234cf
JM		 676 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
677 "wiphy beacons");
678 if (w->nl_beacons == NULL) {
e32ad281
JB		 679 os_free(w);
680 return NULL;
681 }
682
683 if (nl80211_register_beacons(bss->drv, w)) {
684 nl_destroy_handles(&w->nl_beacons);
685 os_free(w);
686 return NULL;
687 }
688
5f65e9f7 689 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
e32ad281
JB		 690
691 dl_list_add(&nl80211_wiphys, &w->list);
692
693add:
694 /* drv entry for this bss already there? */
695 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
696 if (tmp_bss->drv == bss->drv) {
697 found = 1;
698 break;
699 }
700 }
701 /* if not add it */
702 if (!found)
703 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
704
705 dl_list_add(&w->bsss, &bss->wiphy_list);
706 bss->wiphy_data = w;
707 return w;
708}
709
710
711static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
712{
713 struct nl80211_wiphy_data *w = bss->wiphy_data;
714 struct i802_bss *tmp_bss;
715 int found = 0;
716
717 if (w == NULL)
718 return;
719 bss->wiphy_data = NULL;
720 dl_list_del(&bss->wiphy_list);
721
722 /* still any for this drv present? */
723 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
724 if (tmp_bss->drv == bss->drv) {
725 found = 1;
726 break;
727 }
728 }
729 /* if not remove it */
730 if (!found)
731 dl_list_del(&bss->drv->wiphy_list);
732
733 if (!dl_list_empty(&w->bsss))
734 return;
735
5f65e9f7 736 nl80211_destroy_eloop_handle(&w->nl_beacons);
e32ad281
JB		 737
738 nl_cb_put(w->nl_cb);
e32ad281
JB		 739 dl_list_del(&w->list);
740 os_free(w);
741}
742
743
3f5285e8
JM		 744static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
745{
a2e40bb6
FF		 746 struct i802_bss *bss = priv;
747 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 748 if (!drv->associated)
749 return -1;
750 os_memcpy(bssid, drv->bssid, ETH_ALEN);
751 return 0;
3f5285e8
JM		 752}
753
754
3f5285e8
JM		 755static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
756{
a2e40bb6
FF		 757 struct i802_bss *bss = priv;
758 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 759 if (!drv->associated)
760 return -1;
761 os_memcpy(ssid, drv->ssid, drv->ssid_len);
762 return drv->ssid_len;
3f5285e8
JM		 763}
764
765
90a545cc 766static void wpa_driver_nl80211_event_newlink(
40e76396 767 struct wpa_driver_nl80211_data *drv, const char *ifname)
3f5285e8
JM		 768{
769 union wpa_event_data event;
770
90a545cc
JM		 771 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
772 if (if_nametoindex(drv->first_bss->ifname) == 0) {
773 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
774 drv->first_bss->ifname);
775 return;
776 }
777 if (!drv->if_removed)
778 return;
779 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
780 drv->first_bss->ifname);
781 drv->if_removed = 0;
782 }
783
3f5285e8 784 os_memset(&event, 0, sizeof(event));
90a545cc
JM		 785 os_strlcpy(event.interface_status.ifname, ifname,
786 sizeof(event.interface_status.ifname));
787 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
788 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
789}
790
791
792static void wpa_driver_nl80211_event_dellink(
40e76396 793 struct wpa_driver_nl80211_data *drv, const char *ifname)
90a545cc
JM		 794{
795 union wpa_event_data event;
796
797 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
798 if (drv->if_removed) {
799 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
800 ifname);
801 return;
d1f4942b 802 }
90a545cc
JM		 803 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
804 ifname);
805 drv->if_removed = 1;
806 } else {
807 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
808 ifname);
7524cfb1
JM		 809 }
810
90a545cc
JM		 811 os_memset(&event, 0, sizeof(event));
812 os_strlcpy(event.interface_status.ifname, ifname,
813 sizeof(event.interface_status.ifname));
814 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
08063178 815 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
3f5285e8
JM		 816}
817
818
7524cfb1 819static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 820 u8 *buf, size_t len)
7524cfb1 821{
62d680c3 822 int attrlen, rta_len;
7524cfb1
JM		 823 struct rtattr *attr;
824
62d680c3
JM		 825 attrlen = len;
826 attr = (struct rtattr *) buf;
7524cfb1
JM		 827
828 rta_len = RTA_ALIGN(sizeof(struct rtattr));
829 while (RTA_OK(attr, attrlen)) {
830 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 831 if (os_strcmp(((char *) attr) + rta_len,
832 drv->first_bss->ifname) == 0)
7524cfb1
JM		 833 return 1;
834 else
835 break;
836 }
837 attr = RTA_NEXT(attr, attrlen);
838 }
839
840 return 0;
841}
842
843
844static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 845 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 846{
847 if (drv->ifindex == ifindex)
848 return 1;
849
62d680c3 850 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
7524cfb1
JM		 851 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
852 "interface");
0ecff8d7 853 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
7524cfb1
JM		 854 return 1;
855 }
856
857 return 0;
858}
859
860
36d84860
BG		 861static struct wpa_driver_nl80211_data *
862nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
863{
864 struct wpa_driver_nl80211_data *drv;
865 dl_list_for_each(drv, &global->interfaces,
866 struct wpa_driver_nl80211_data, list) {
867 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
868 have_ifidx(drv, idx))
869 return drv;
870 }
871 return NULL;
872}
873
874
62d680c3
JM		 875static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
876 struct ifinfomsg *ifi,
877 u8 *buf, size_t len)
3f5285e8 878{
36d84860
BG		 879 struct nl80211_global *global = ctx;
880 struct wpa_driver_nl80211_data *drv;
90a545cc 881 int attrlen;
62d680c3 882 struct rtattr *attr;
97cfcf64 883 u32 brid = 0;
aef85ba2 884 char namebuf[IFNAMSIZ];
90a545cc
JM		 885 char ifname[IFNAMSIZ + 1];
886 char extra[100], *pos, *end;
3f5285e8 887
36d84860
BG		 888 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
889 if (!drv) {
90a545cc
JM		 890 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d",
891 ifi->ifi_index);
3f5285e8
JM		 892 return;
893 }
894
90a545cc
JM		 895 extra[0] = '\0';
896 pos = extra;
897 end = pos + sizeof(extra);
898 ifname[0] = '\0';
899
900 attrlen = len;
901 attr = (struct rtattr *) buf;
902 while (RTA_OK(attr, attrlen)) {
903 switch (attr->rta_type) {
904 case IFLA_IFNAME:
905 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
906 break;
907 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
908 ifname[RTA_PAYLOAD(attr)] = '\0';
909 break;
910 case IFLA_MASTER:
911 brid = nla_get_u32((struct nlattr *) attr);
912 pos += os_snprintf(pos, end - pos, " master=%u", brid);
913 break;
914 case IFLA_WIRELESS:
915 pos += os_snprintf(pos, end - pos, " wext");
916 break;
917 case IFLA_OPERSTATE:
918 pos += os_snprintf(pos, end - pos, " operstate=%u",
919 nla_get_u32((struct nlattr *) attr));
920 break;
921 case IFLA_LINKMODE:
922 pos += os_snprintf(pos, end - pos, " linkmode=%u",
923 nla_get_u32((struct nlattr *) attr));
924 break;
925 }
926 attr = RTA_NEXT(attr, attrlen);
927 }
928 extra[sizeof(extra) - 1] = '\0';
929
f2e90835
JM		 930 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
931 ifi->ifi_index, ifname, extra, ifi->ifi_family,
932 ifi->ifi_flags,
3f5285e8
JM		 933 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
934 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
935 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
936 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4
JM		 937
938 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
59d24925
JM		 939 if (if_indextoname(ifi->ifi_index, namebuf) &&
940 linux_iface_up(drv->global->ioctl_sock,
834ee56f 941 drv->first_bss->ifname) > 0) {
59d24925
JM		 942 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
943 "event since interface %s is up", namebuf);
7a94120e 944 drv->ignore_if_down_event = 0;
59d24925
JM		 945 return;
946 }
a63063b4 947 wpa_printf(MSG_DEBUG, "nl80211: Interface down");
7d9c3698
JM		 948 if (drv->ignore_if_down_event) {
949 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
950 "event generated by mode change");
951 drv->ignore_if_down_event = 0;
952 } else {
953 drv->if_disabled = 1;
954 wpa_supplicant_event(drv->ctx,
955 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO		 956
957 /*
958 * Try to get drv again, since it may be removed as
959 * part of the EVENT_INTERFACE_DISABLED handling for
960 * dynamic interfaces
961 */
962 drv = nl80211_find_drv(global, ifi->ifi_index,
963 buf, len);
964 if (!drv)
965 return;
7d9c3698 966 }
a63063b4
JM		 967 }
968
969 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2
JM		 970 if (if_indextoname(ifi->ifi_index, namebuf) &&
971 linux_iface_up(drv->global->ioctl_sock,
834ee56f 972 drv->first_bss->ifname) == 0) {
aef85ba2
JM		 973 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
974 "event since interface %s is down",
975 namebuf);
834ee56f 976 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 977 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
978 "event since interface %s does not exist",
834ee56f 979 drv->first_bss->ifname);
d1f4942b
JM		 980 } else if (drv->if_removed) {
981 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
982 "event since interface %s is marked "
834ee56f 983 "removed", drv->first_bss->ifname);
aef85ba2 984 } else {
3e0272ca
DW		 985 struct i802_bss *bss;
986 u8 addr[ETH_ALEN];
987
988 /* Re-read MAC address as it may have changed */
989 bss = get_bss_ifindex(drv, ifi->ifi_index);
990 if (bss &&
991 linux_get_ifhwaddr(drv->global->ioctl_sock,
992 bss->ifname, addr) < 0) {
993 wpa_printf(MSG_DEBUG,
994 "nl80211: %s: failed to re-read MAC address",
995 bss->ifname);
996 } else if (bss &&
997 os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
998 wpa_printf(MSG_DEBUG,
999 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1000 MACSTR " to " MACSTR,
1001 ifi->ifi_index, bss->ifname,
1002 MAC2STR(bss->addr),
1003 MAC2STR(addr));
1004 os_memcpy(bss->addr, addr, ETH_ALEN);
1005 }
1006
aef85ba2
JM		 1007 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1008 drv->if_disabled = 0;
1009 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1010 NULL);
1011 }
a63063b4
JM		 1012 }
1013
3f5285e8
JM		 1014 /*
1015 * Some drivers send the association event before the operup event--in
1016 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1017 * fails. This will hit us when wpa_supplicant does not need to do
1018 * IEEE 802.1X authentication
1019 */
1020 if (drv->operstate == 1 &&
1021 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM		 1022 !(ifi->ifi_flags & IFF_RUNNING)) {
1023 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1024 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1025 -1, IF_OPER_UP);
3f5285e8 1026 }
97cfcf64 1027
90a545cc
JM		 1028 if (ifname[0])
1029 wpa_driver_nl80211_event_newlink(drv, ifname);
1030
97cfcf64 1031 if (ifi->ifi_family == AF_BRIDGE && brid) {
392dfd37
JM		 1032 struct i802_bss *bss;
1033
97cfcf64 1034 /* device has been added to bridge */
40e76396
JM		 1035 if (!if_indextoname(brid, namebuf)) {
1036 wpa_printf(MSG_DEBUG,
1037 "nl80211: Could not find bridge ifname for ifindex %u",
1038 brid);
1039 return;
1040 }
97cfcf64
B		 1041 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1042 brid, namebuf);
1043 add_ifidx(drv, brid);
392dfd37
JM		 1044
1045 for (bss = drv->first_bss; bss; bss = bss->next) {
1046 if (os_strcmp(ifname, bss->ifname) == 0) {
1047 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1048 break;
1049 }
1050 }
97cfcf64 1051 }
3f5285e8
JM		 1052}
1053
1054
62d680c3
JM		 1055static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1056 struct ifinfomsg *ifi,
1057 u8 *buf, size_t len)
3f5285e8 1058{
36d84860
BG		 1059 struct nl80211_global *global = ctx;
1060 struct wpa_driver_nl80211_data *drv;
90a545cc 1061 int attrlen;
62d680c3 1062 struct rtattr *attr;
97cfcf64 1063 u32 brid = 0;
90a545cc 1064 char ifname[IFNAMSIZ + 1];
f2e90835 1065 char extra[100], *pos, *end;
3f5285e8 1066
36d84860
BG		 1067 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1068 if (!drv) {
90a545cc
JM		 1069 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d",
1070 ifi->ifi_index);
36d84860
BG		 1071 return;
1072 }
1073
f2e90835
JM		 1074 extra[0] = '\0';
1075 pos = extra;
1076 end = pos + sizeof(extra);
90a545cc
JM		 1077 ifname[0] = '\0';
1078
62d680c3
JM		 1079 attrlen = len;
1080 attr = (struct rtattr *) buf;
3f5285e8 1081 while (RTA_OK(attr, attrlen)) {
90a545cc
JM		 1082 switch (attr->rta_type) {
1083 case IFLA_IFNAME:
1084 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1085 break;
1086 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1087 ifname[RTA_PAYLOAD(attr)] = '\0';
1088 break;
1089 case IFLA_MASTER:
97cfcf64 1090 brid = nla_get_u32((struct nlattr *) attr);
f2e90835
JM		 1091 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1092 break;
1093 case IFLA_OPERSTATE:
1094 pos += os_snprintf(pos, end - pos, " operstate=%u",
1095 nla_get_u32((struct nlattr *) attr));
1096 break;
1097 case IFLA_LINKMODE:
1098 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1099 nla_get_u32((struct nlattr *) attr));
90a545cc
JM		 1100 break;
1101 }
3f5285e8
JM		 1102 attr = RTA_NEXT(attr, attrlen);
1103 }
f2e90835
JM		 1104 extra[sizeof(extra) - 1] = '\0';
1105
1106 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1107 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1108 ifi->ifi_flags,
1109 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1110 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1111 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1112 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
97cfcf64 1113
728ff2f4 1114 if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid))
90a545cc
JM		 1115 wpa_driver_nl80211_event_dellink(drv, ifname);
1116
97cfcf64
B		 1117 if (ifi->ifi_family == AF_BRIDGE && brid) {
1118 /* device has been removed from bridge */
1119 char namebuf[IFNAMSIZ];
40e76396
JM		 1120
1121 if (!if_indextoname(brid, namebuf)) {
1122 wpa_printf(MSG_DEBUG,
1123 "nl80211: Could not find bridge ifname for ifindex %u",
1124 brid);
1125 } else {
1126 wpa_printf(MSG_DEBUG,
1127 "nl80211: Remove ifindex %u for bridge %s",
1128 brid, namebuf);
1129 }
97cfcf64
B		 1130 del_ifidx(drv, brid);
1131 }
3f5285e8
JM		 1132}
1133
1134
f3407c66 1135unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
f5a8d422
JM		 1136{
1137 struct nl_msg *msg;
1138 int ret;
1139 struct nl80211_bss_info_arg arg;
1140
9725b784 1141 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422 1142 os_memset(&arg, 0, sizeof(arg));
f5a8d422
JM		 1143 arg.drv = drv;
1144 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
f5a8d422 1145 if (ret == 0) {
c7caac56
JM		 1146 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1147 arg.ibss_freq : arg.assoc_freq;
f5a8d422 1148 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
c7caac56
JM		 1149 "associated BSS from scan results: %u MHz", freq);
1150 if (freq)
1151 drv->assoc_freq = freq;
30158a0d 1152 return drv->assoc_freq;
f5a8d422
JM		 1153 }
1154 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1155 "(%s)", ret, strerror(-ret));
f5a8d422
JM		 1156 return drv->assoc_freq;
1157}
1158
1159
60a972a6
JM		 1160static int get_link_signal(struct nl_msg *msg, void *arg)
1161{
1162 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1163 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1164 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1165 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1166 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1167 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1168 };
7ee35bf3
PS		 1169 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1170 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1171 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1172 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1173 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1174 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1175 };
1c5c7273 1176 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1177
1178 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1179 genlmsg_attrlen(gnlh, 0), NULL);
1180 if (!tb[NL80211_ATTR_STA_INFO] ||
1181 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1182 tb[NL80211_ATTR_STA_INFO], policy))
1183 return NL_SKIP;
1184 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1185 return NL_SKIP;
1186
7ee35bf3
PS		 1187 sig_change->current_signal =
1188 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1189
95783298
AO		 1190 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1191 sig_change->avg_signal =
1192 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1193 else
1194 sig_change->avg_signal = 0;
1195
7ee35bf3
PS		 1196 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1197 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1198 sinfo[NL80211_STA_INFO_TX_BITRATE],
1199 rate_policy)) {
1200 sig_change->current_txrate = 0;
1201 } else {
1202 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1203 sig_change->current_txrate =
1204 nla_get_u16(rinfo[
1205 NL80211_RATE_INFO_BITRATE]) * 100;
1206 }
1207 }
1208 }
1209
60a972a6
JM		 1210 return NL_SKIP;
1211}
1212
1213
f3407c66
JM		 1214int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1215 struct wpa_signal_info *sig)
60a972a6
JM		 1216{
1217 struct nl_msg *msg;
1218
7ee35bf3
PS		 1219 sig->current_signal = -9999;
1220 sig->current_txrate = 0;
60a972a6 1221
9725b784 1222 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
a862e4a3
JM		 1223 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1224 nlmsg_free(msg);
1225 return -ENOBUFS;
1226 }
60a972a6
JM		 1227
1228 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
60a972a6
JM		 1229}
1230
1231
7ee35bf3
PS		 1232static int get_link_noise(struct nl_msg *msg, void *arg)
1233{
1234 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1235 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1236 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1237 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1238 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1239 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1240 };
1c5c7273 1241 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 1242
1243 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1244 genlmsg_attrlen(gnlh, 0), NULL);
1245
1246 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1247 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1248 return NL_SKIP;
1249 }
1250
1251 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1252 tb[NL80211_ATTR_SURVEY_INFO],
1253 survey_policy)) {
1254 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1255 "attributes!");
1256 return NL_SKIP;
1257 }
1258
1259 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1260 return NL_SKIP;
1261
1262 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1263 sig_change->frequency)
1264 return NL_SKIP;
1265
1266 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1267 return NL_SKIP;
1268
1269 sig_change->current_noise =
1270 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1271
1272 return NL_SKIP;
1273}
1274
1275
f3407c66
JM		 1276int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1277 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 1278{
1279 struct nl_msg *msg;
1280
1281 sig_change->current_noise = 9999;
1282 sig_change->frequency = drv->assoc_freq;
1283
9725b784 1284 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3 1285 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
7ee35bf3
PS		 1286}
1287
1288
97865538 1289static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 1290 void *handle)
97865538 1291{
a4ae123c 1292 struct nl_cb *cb = eloop_ctx;
34068ac3 1293 int res;
97865538 1294
cc2ada86 1295 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 1296
34068ac3 1297 res = nl_recvmsgs(handle, cb);
d3d04831 1298 if (res < 0) {
34068ac3
JM		 1299 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1300 __func__, res);
1301 }
97865538
JM		 1302}
1303
1304
6d158490
LR		 1305/**
1306 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1307 * @priv: driver_nl80211 private data
1308 * @alpha2_arg: country to which to switch to
1309 * Returns: 0 on success, -1 on failure
1310 *
1311 * This asks nl80211 to set the regulatory domain for given
1312 * country ISO / IEC alpha2.
1313 */
1314static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1315{
a2e40bb6
FF		 1316 struct i802_bss *bss = priv;
1317 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 1318 char alpha2[3];
1319 struct nl_msg *msg;
1320
1321 msg = nlmsg_alloc();
1322 if (!msg)
e785c2ba 1323 return -ENOMEM;
6d158490
LR		 1324
1325 alpha2[0] = alpha2_arg[0];
1326 alpha2[1] = alpha2_arg[1];
1327 alpha2[2] = '\0';
1328
a862e4a3
JM		 1329 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1330 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1331 nlmsg_free(msg);
1332 return -EINVAL;
1333 }
6d158490
LR		 1334 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1335 return -EINVAL;
1336 return 0;
6d158490
LR		 1337}
1338
1339
f0793bf1
JM		 1340static int nl80211_get_country(struct nl_msg *msg, void *arg)
1341{
1342 char *alpha2 = arg;
1343 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1344 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1345
1346 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1347 genlmsg_attrlen(gnlh, 0), NULL);
1348 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1349 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1350 return NL_SKIP;
1351 }
1352 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1353 return NL_SKIP;
1354}
1355
1356
1357static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1358{
1359 struct i802_bss *bss = priv;
1360 struct wpa_driver_nl80211_data *drv = bss->drv;
1361 struct nl_msg *msg;
1362 int ret;
1363
1364 msg = nlmsg_alloc();
1365 if (!msg)
1366 return -ENOMEM;
1367
1368 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1369 alpha2[0] = '\0';
1370 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1371 if (!alpha2[0])
1372 ret = -1;
1373
1374 return ret;
1375}
1376
1377
2a7b66f5
BG		 1378static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1379{
d6c9aab8
JB		 1380 int ret;
1381
2a7b66f5
BG		 1382 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1383 if (global->nl_cb == NULL) {
1384 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1385 "callbacks");
1386 return -1;
1387 }
1388
481234cf
JM		 1389 global->nl = nl_create_handle(global->nl_cb, "nl");
1390 if (global->nl == NULL)
d6c9aab8 1391 goto err;
276e2d67 1392
481234cf 1393 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 1394 if (global->nl80211_id < 0) {
276e2d67
BG		 1395 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1396 "found");
d6c9aab8 1397 goto err;
276e2d67
BG		 1398 }
1399
481234cf
JM		 1400 global->nl_event = nl_create_handle(global->nl_cb, "event");
1401 if (global->nl_event == NULL)
d6c9aab8 1402 goto err;
9fff9fdc 1403
d6c9aab8 1404 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 1405 if (ret >= 0)
481234cf 1406 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 1407 if (ret < 0) {
1408 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1409 "membership for scan events: %d (%s)",
1410 ret, strerror(-ret));
d6c9aab8 1411 goto err;
97865538 1412 }
c2a04078 1413
d6c9aab8 1414 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 1415 if (ret >= 0)
481234cf 1416 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 1417 if (ret < 0) {
1418 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1419 "membership for mlme events: %d (%s)",
1420 ret, strerror(-ret));
d6c9aab8 1421 goto err;
c2a04078 1422 }
c2a04078 1423
d6c9aab8 1424 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 1425 if (ret >= 0)
481234cf 1426 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 1427 if (ret < 0) {
1428 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1429 "membership for regulatory events: %d (%s)",
1430 ret, strerror(-ret));
1431 /* Continue without regulatory events */
1432 }
1433
17b79e65
JM		 1434 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1435 if (ret >= 0)
1436 ret = nl_socket_add_membership(global->nl_event, ret);
1437 if (ret < 0) {
1438 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1439 "membership for vendor events: %d (%s)",
1440 ret, strerror(-ret));
1441 /* Continue without vendor events */
1442 }
1443
d6c9aab8
JB		 1444 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1445 no_seq_check, NULL);
1446 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1447 process_global_event, global);
1448
5f65e9f7
JB		 1449 nl80211_register_eloop_read(&global->nl_event,
1450 wpa_driver_nl80211_event_receive,
1451 global->nl_cb);
d6c9aab8
JB		 1452
1453 return 0;
1454
1455err:
1456 nl_destroy_handles(&global->nl_event);
1457 nl_destroy_handles(&global->nl);
1458 nl_cb_put(global->nl_cb);
671a5039 1459 global->nl_cb = NULL;
d6c9aab8
JB		 1460 return -1;
1461}
1462
1463
8401a6b0
JM		 1464static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1465{
8401a6b0 1466 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
a63063b4
JM		 1467 /*
1468 * This may be for any interface; use ifdown event to disable
1469 * interface.
1470 */
8401a6b0
JM		 1471}
1472
1473
1474static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1475{
1476 struct wpa_driver_nl80211_data *drv = ctx;
1477 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 1478 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 1479 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1480 "after rfkill unblock");
1481 return;
1482 }
a63063b4 1483 /* rtnetlink ifup handler will report interface as enabled */
8401a6b0
JM		 1484}
1485
1486
32ab4855
JB		 1487static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1488 void *eloop_ctx,
1489 void *handle)
1490{
1491 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1492 u8 data[2048];
1493 struct msghdr msg;
1494 struct iovec entry;
cad0f50e 1495 u8 control[512];
32ab4855
JB		 1496 struct cmsghdr *cmsg;
1497 int res, found_ee = 0, found_wifi = 0, acked = 0;
1498 union wpa_event_data event;
1499
1500 memset(&msg, 0, sizeof(msg));
1501 msg.msg_iov = &entry;
1502 msg.msg_iovlen = 1;
1503 entry.iov_base = data;
1504 entry.iov_len = sizeof(data);
1505 msg.msg_control = &control;
1506 msg.msg_controllen = sizeof(control);
1507
1508 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1509 /* if error or not fitting 802.3 header, return */
1510 if (res < 14)
1511 return;
1512
1513 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1514 {
1515 if (cmsg->cmsg_level == SOL_SOCKET &&
1516 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1517 int *ack;
1518
1519 found_wifi = 1;
1520 ack = (void *)CMSG_DATA(cmsg);
1521 acked = *ack;
1522 }
1523
1524 if (cmsg->cmsg_level == SOL_PACKET &&
1525 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1526 struct sock_extended_err *err =
1527 (struct sock_extended_err *)CMSG_DATA(cmsg);
1528
1529 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1530 found_ee = 1;
1531 }
1532 }
1533
1534 if (!found_ee || !found_wifi)
1535 return;
1536
1537 memset(&event, 0, sizeof(event));
1538 event.eapol_tx_status.dst = data;
1539 event.eapol_tx_status.data = data + 14;
1540 event.eapol_tx_status.data_len = res - 14;
1541 event.eapol_tx_status.ack = acked;
1542 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1543}
1544
1545
cc7a48d1
JB		 1546static int nl80211_init_bss(struct i802_bss *bss)
1547{
1548 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1549 if (!bss->nl_cb)
1550 return -1;
1551
1552 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1553 no_seq_check, NULL);
1554 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1555 process_bss_event, bss);
1556
1557 return 0;
1558}
1559
1560
1561static void nl80211_destroy_bss(struct i802_bss *bss)
1562{
1563 nl_cb_put(bss->nl_cb);
1564 bss->nl_cb = NULL;
1565}
1566
1567
0d547d5f
JM		 1568static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1569 void *global_priv, int hostapd,
0ecff8d7
JM		 1570 const u8 *set_addr,
1571 const char *driver_params)
9fff9fdc 1572{
9fff9fdc 1573 struct wpa_driver_nl80211_data *drv;
8401a6b0 1574 struct rfkill_config *rcfg;
a2e40bb6 1575 struct i802_bss *bss;
9fff9fdc 1576
a5c696ad
JM		 1577 if (global_priv == NULL)
1578 return NULL;
9fff9fdc
JM		 1579 drv = os_zalloc(sizeof(*drv));
1580 if (drv == NULL)
1581 return NULL;
f2ed8023 1582 drv->global = global_priv;
9fff9fdc 1583 drv->ctx = ctx;
0d547d5f
JM		 1584 drv->hostapd = !!hostapd;
1585 drv->eapol_sock = -1;
64ae2447
JM		 1586
1587 /*
1588 * There is no driver capability flag for this, so assume it is
1589 * supported and disable this on first attempt to use if the driver
1590 * rejects the command due to missing support.
1591 */
1592 drv->set_rekey_offload = 1;
1593
0d547d5f
JM		 1594 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1595 drv->if_indices = drv->default_if_indices;
834ee56f
KP		 1596
1597 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1598 if (!drv->first_bss) {
1599 os_free(drv);
1600 return NULL;
1601 }
1602 bss = drv->first_bss;
a2e40bb6 1603 bss->drv = drv;
a5e1eb20
SE		 1604 bss->ctx = ctx;
1605
a2e40bb6 1606 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 1607 drv->monitor_ifidx = -1;
1608 drv->monitor_sock = -1;
d12dab4c 1609 drv->eapol_tx_sock = -1;
b1f625e0 1610 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 1611
cc7a48d1
JB		 1612 if (nl80211_init_bss(bss))
1613 goto failed;
1614
8401a6b0
JM		 1615 rcfg = os_zalloc(sizeof(*rcfg));
1616 if (rcfg == NULL)
1617 goto failed;
1618 rcfg->ctx = drv;
1619 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
1620 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1621 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1622 drv->rfkill = rfkill_init(rcfg);
52169389 1623 if (drv->rfkill == NULL) {
8401a6b0 1624 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
52169389
JM		 1625 os_free(rcfg);
1626 }
8401a6b0 1627
146fa9b3
JM		 1628 if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0)
1629 drv->start_iface_up = 1;
1630
0ecff8d7 1631 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
bbaf0837 1632 goto failed;
7524cfb1 1633
d12dab4c 1634 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 1635 if (drv->eapol_tx_sock < 0)
1636 goto failed;
1637
1638 if (drv->data_tx_status) {
1639 int enabled = 1;
1640
1641 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1642 &enabled, sizeof(enabled)) < 0) {
1643 wpa_printf(MSG_DEBUG,
1644 "nl80211: wifi status sockopt failed\n");
1645 drv->data_tx_status = 0;
a11241fa
JB		 1646 if (!drv->use_monitor)
1647 drv->capa.flags &=
1648 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 1649 } else {
1650 eloop_register_read_sock(drv->eapol_tx_sock,
1651 wpa_driver_nl80211_handle_eapol_tx_status,
1652 drv, NULL);
1653 }
1654 }
f10bfc9a 1655
dac12351 1656 if (drv->global) {
c4bb8817 1657 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 1658 drv->in_interface_list = 1;
1659 }
c4bb8817 1660
a2e40bb6 1661 return bss;
7524cfb1 1662
bbaf0837 1663failed:
dac12351 1664 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 1665 return NULL;
1666}
1667
1668
0d547d5f
JM		 1669/**
1670 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1671 * @ctx: context to be used when calling wpa_supplicant functions,
1672 * e.g., wpa_supplicant_event()
1673 * @ifname: interface name, e.g., wlan0
1674 * @global_priv: private driver global data from global_init()
1675 * Returns: Pointer to private data, %NULL on failure
1676 */
1677static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1678 void *global_priv)
1679{
0ecff8d7
JM		 1680 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1681 NULL);
0d547d5f
JM		 1682}
1683
1684
a11241fa 1685static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 1686 struct nl_handle *nl_handle,
bd94971e 1687 u16 type, const u8 *match, size_t match_len)
58f6fbe0 1688{
a11241fa 1689 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 1690 struct nl_msg *msg;
a862e4a3 1691 int ret;
880de885 1692 char buf[30];
58f6fbe0 1693
880de885
JM		 1694 buf[0] = '\0';
1695 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
dedfa440
PF		 1696 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1697 type, fc2str(type), nl_handle, buf);
36488c05 1698
56f77852 1699 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
a862e4a3
JM		 1700 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1701 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1702 nlmsg_free(msg);
1703 return -1;
1704 }
58f6fbe0 1705
d6c9aab8 1706 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0 1707 if (ret) {
5582a5d1
JB		 1708 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1709 "failed (type=%u): ret=%d (%s)",
1710 type, ret, strerror(-ret));
1711 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0 1712 match, match_len);
58f6fbe0 1713 }
58f6fbe0
JM		 1714 return ret;
1715}
1716
1717
a11241fa
JB		 1718static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1719{
481234cf 1720 if (bss->nl_mgmt) {
a11241fa 1721 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 1722 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 1723 return -1;
1724 }
1725
ce20a370 1726 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
481234cf 1727 if (bss->nl_mgmt == NULL)
a11241fa
JB		 1728 return -1;
1729
a11241fa
JB		 1730 return 0;
1731}
1732
1733
5f65e9f7
JB		 1734static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1735{
1736 nl80211_register_eloop_read(&bss->nl_mgmt,
1737 wpa_driver_nl80211_event_receive,
1738 bss->nl_cb);
1739}
1740
1741
a11241fa 1742static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 1743 const u8 *match, size_t match_len)
1744{
1745 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 1746 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 1747 type, match, match_len);
bd94971e
JB		 1748}
1749
1750
a11241fa 1751static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 1752{
a11241fa 1753 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 1754 int ret = 0;
a11241fa
JB		 1755
1756 if (nl80211_alloc_mgmt_handle(bss))
1757 return -1;
36488c05
JM		 1758 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
1759 "handle %p", bss->nl_mgmt);
a11241fa 1760
e8d1168b
JB		 1761 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
1762 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1763
1764 /* register for any AUTH message */
1765 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
1766 }
1767
56f5af48
JM		 1768#ifdef CONFIG_INTERWORKING
1769 /* QoS Map Configure */
1770 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 1771 ret = -1;
56f5af48 1772#endif /* CONFIG_INTERWORKING */
4fe9fa0d 1773#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 1774 /* GAS Initial Request */
a11241fa 1775 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 1776 ret = -1;
046b26a2 1777 /* GAS Initial Response */
a11241fa 1778 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 1779 ret = -1;
18708aad 1780 /* GAS Comeback Request */
a11241fa 1781 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 1782 ret = -1;
18708aad 1783 /* GAS Comeback Response */
a11241fa 1784 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 1785 ret = -1;
c5a64e2d
JM		 1786 /* Protected GAS Initial Request */
1787 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
1788 ret = -1;
1789 /* Protected GAS Initial Response */
1790 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
1791 ret = -1;
1792 /* Protected GAS Comeback Request */
1793 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
1794 ret = -1;
1795 /* Protected GAS Comeback Response */
1796 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
1797 ret = -1;
4fe9fa0d
JM		 1798#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
1799#ifdef CONFIG_P2P
046b26a2 1800 /* P2P Public Action */
a11241fa 1801 if (nl80211_register_action_frame(bss,
046b26a2
JM		 1802 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
1803 6) < 0)
6f06766e 1804 ret = -1;
046b26a2 1805 /* P2P Action */
a11241fa 1806 if (nl80211_register_action_frame(bss,
046b26a2
JM		 1807 (u8 *) "\x7f\x50\x6f\x9a\x09",
1808 5) < 0)
6f06766e 1809 ret = -1;
046b26a2 1810#endif /* CONFIG_P2P */
7d878ca7
JM		 1811#ifdef CONFIG_IEEE80211W
1812 /* SA Query Response */
a11241fa 1813 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 1814 ret = -1;
7d878ca7 1815#endif /* CONFIG_IEEE80211W */
35287637
AN		 1816#ifdef CONFIG_TDLS
1817 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
1818 /* TDLS Discovery Response */
aa543c0c 1819 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 1820 0)
6f06766e 1821 ret = -1;
35287637
AN		 1822 }
1823#endif /* CONFIG_TDLS */
046b26a2 1824
7b90c16a 1825 /* FT Action frames */
a11241fa 1826 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 1827 ret = -1;
7b90c16a
JM		 1828 else
1829 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
1830 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
1831
71269b37 1832 /* WNM - BSS Transition Management Request */
a11241fa 1833 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 1834 ret = -1;
bd896433
JM		 1835 /* WNM-Sleep Mode Response */
1836 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 1837 ret = -1;
a11241fa 1838
95a3ea94
JM		 1839#ifdef CONFIG_HS20
1840 /* WNM-Notification */
1841 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
3ee18569 1842 ret = -1;
95a3ea94
JM		 1843#endif /* CONFIG_HS20 */
1844
dfa87878
MB		 1845 /* WMM-AC ADDTS Response */
1846 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
730a0d16 1847 ret = -1;
dfa87878
MB		 1848
1849 /* WMM-AC DELTS */
1850 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
730a0d16 1851 ret = -1;
dfa87878 1852
2526ccd9
AK		 1853 /* Radio Measurement - Neighbor Report Response */
1854 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
1855 ret = -1;
1856
7dc03388
AO		 1857 /* Radio Measurement - Link Measurement Request */
1858 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
1859 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
1860 ret = -1;
1861
5f65e9f7
JB		 1862 nl80211_mgmt_handle_register_eloop(bss);
1863
6f06766e 1864 return ret;
a11241fa
JB		 1865}
1866
1867
afb0550a
BC		 1868static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
1869{
1870 int ret = 0;
1871
1872 if (nl80211_alloc_mgmt_handle(bss))
1873 return -1;
1874
1875 wpa_printf(MSG_DEBUG,
1876 "nl80211: Subscribe to mgmt frames with mesh handle %p",
1877 bss->nl_mgmt);
1878
1879 /* Auth frames for mesh SAE */
1880 if (nl80211_register_frame(bss, bss->nl_mgmt,
1881 (WLAN_FC_TYPE_MGMT << 2) |
1882 (WLAN_FC_STYPE_AUTH << 4),
1883 NULL, 0) < 0)
1884 ret = -1;
1885
1886 /* Mesh peering open */
1887 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
1888 ret = -1;
1889 /* Mesh peering confirm */
1890 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
1891 ret = -1;
1892 /* Mesh peering close */
1893 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
1894 ret = -1;
1895
1896 nl80211_mgmt_handle_register_eloop(bss);
1897
1898 return ret;
1899}
1900
1901
02bb32c3
JB		 1902static int nl80211_register_spurious_class3(struct i802_bss *bss)
1903{
02bb32c3 1904 struct nl_msg *msg;
a862e4a3 1905 int ret;
02bb32c3 1906
13f83980
JM		 1907 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
1908 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 1909 if (ret) {
1910 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
1911 "failed: ret=%d (%s)",
1912 ret, strerror(-ret));
02bb32c3 1913 }
02bb32c3
JB		 1914 return ret;
1915}
1916
1917
a11241fa
JB		 1918static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
1919{
1920 static const int stypes[] = {
1921 WLAN_FC_STYPE_AUTH,
1922 WLAN_FC_STYPE_ASSOC_REQ,
1923 WLAN_FC_STYPE_REASSOC_REQ,
1924 WLAN_FC_STYPE_DISASSOC,
1925 WLAN_FC_STYPE_DEAUTH,
1926 WLAN_FC_STYPE_ACTION,
1927 WLAN_FC_STYPE_PROBE_REQ,
1928/* Beacon doesn't work as mac80211 doesn't currently allow
1929 * it, but it wouldn't really be the right thing anyway as
1930 * it isn't per interface ... maybe just dump the scan
1931 * results periodically for OLBC?
1932 */
0e80ea2c 1933 /* WLAN_FC_STYPE_BEACON, */
a11241fa
JB		 1934 };
1935 unsigned int i;
1936
1937 if (nl80211_alloc_mgmt_handle(bss))
71269b37 1938 return -1;
36488c05
JM		 1939 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
1940 "handle %p", bss->nl_mgmt);
71269b37 1941
e7ecab4a 1942 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 1943 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 1944 (WLAN_FC_TYPE_MGMT << 2) |
1945 (stypes[i] << 4),
1946 NULL, 0) < 0) {
1947 goto out_err;
1948 }
1949 }
1950
02bb32c3
JB		 1951 if (nl80211_register_spurious_class3(bss))
1952 goto out_err;
1953
e32ad281
JB		 1954 if (nl80211_get_wiphy_data_ap(bss) == NULL)
1955 goto out_err;
1956
5f65e9f7 1957 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 1958 return 0;
a11241fa
JB		 1959
1960out_err:
a11241fa
JB		 1961 nl_destroy_handles(&bss->nl_mgmt);
1962 return -1;
1963}
1964
1965
a6cc0602
JM		 1966static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
1967{
1968 if (nl80211_alloc_mgmt_handle(bss))
1969 return -1;
1970 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
1971 "handle %p (device SME)", bss->nl_mgmt);
1972
1973 if (nl80211_register_frame(bss, bss->nl_mgmt,
1974 (WLAN_FC_TYPE_MGMT << 2) |
1975 (WLAN_FC_STYPE_ACTION << 4),
1976 NULL, 0) < 0)
1977 goto out_err;
1978
5f65e9f7 1979 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 1980 return 0;
1981
1982out_err:
a6cc0602
JM		 1983 nl_destroy_handles(&bss->nl_mgmt);
1984 return -1;
1985}
1986
1987
36488c05 1988static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 1989{
481234cf 1990 if (bss->nl_mgmt == NULL)
a11241fa 1991 return;
36488c05
JM		 1992 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
1993 "(%s)", bss->nl_mgmt, reason);
5f65e9f7 1994 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
e32ad281
JB		 1995
1996 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 1997}
1998
1999
8401a6b0
JM		 2000static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2001{
2002 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2003}
2004
2005
eb4582f2
AS		 2006static void nl80211_del_p2pdev(struct i802_bss *bss)
2007{
eb4582f2
AS		 2008 struct nl_msg *msg;
2009 int ret;
2010
a3249fdf
JM		 2011 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2012 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
eb4582f2
AS		 2013
2014 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2015 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2016 strerror(-ret));
eb4582f2
AS		 2017}
2018
2019
eb4582f2 2020static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483 2021{
f632e483 2022 struct nl_msg *msg;
a862e4a3 2023 int ret;
f632e483 2024
a3249fdf
JM		 2025 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2026 NL80211_CMD_STOP_P2P_DEVICE);
2027 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
f632e483 2028
eb4582f2
AS		 2029 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2030 start ? "Start" : "Stop",
2031 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2032 strerror(-ret));
f632e483
AS		 2033 return ret;
2034}
f632e483
AS		 2035
2036
91724d6f
AS		 2037static int i802_set_iface_flags(struct i802_bss *bss, int up)
2038{
2039 enum nl80211_iftype nlmode;
2040
2041 nlmode = nl80211_get_ifmode(bss);
2042 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2043 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2044 bss->ifname, up);
2045 }
2046
2047 /* P2P Device has start/stop which is equivalent */
2048 return nl80211_set_p2pdev(bss, up);
2049}
2050
2051
362f781e 2052static int
0d547d5f 2053wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 2054 const u8 *set_addr, int first,
2055 const char *driver_params)
7524cfb1 2056{
834ee56f 2057 struct i802_bss *bss = drv->first_bss;
8401a6b0 2058 int send_rfkill_event = 0;
0d547d5f 2059 enum nl80211_iftype nlmode;
a2e40bb6
FF		 2060
2061 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 2062 bss->ifindex = drv->ifindex;
2063 bss->wdev_id = drv->global->if_add_wdevid;
2064 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2065
60b13c20
IP		 2066 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2067 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 2068 drv->global->if_add_wdevid_set = 0;
2069
bf144cf6
AP		 2070 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2071 bss->static_ap = 1;
2072
f632e483
AS		 2073 if (wpa_driver_nl80211_capa(drv))
2074 return -1;
a87c9d96 2075
0ecff8d7
JM		 2076 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2077 return -1;
2078
5fbcb45d
AS		 2079 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2080 bss->ifname, drv->phyname);
2081
0d547d5f
JM		 2082 if (set_addr &&
2083 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2084 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2085 set_addr)))
2086 return -1;
2087
49b4b205
JM		 2088 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2089 drv->start_mode_ap = 1;
2090
bf144cf6 2091 if (drv->hostapd || bss->static_ap)
0d547d5f
JM		 2092 nlmode = NL80211_IFTYPE_AP;
2093 else if (bss->if_dynamic)
8e12685c 2094 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 2095 else
2096 nlmode = NL80211_IFTYPE_STATION;
f632e483 2097
8e12685c 2098 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 2099 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 2100 return -1;
a87c9d96
JM		 2101 }
2102
8c06db70 2103 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 2104 nl80211_get_macaddr(bss);
f632e483 2105
8c06db70
MB		 2106 if (!rfkill_is_blocked(drv->rfkill)) {
2107 int ret = i802_set_iface_flags(bss, 1);
2108 if (ret) {
8401a6b0
JM		 2109 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2110 "interface '%s' UP", bss->ifname);
8c06db70 2111 return ret;
8401a6b0 2112 }
8c06db70
MB		 2113 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2114 return ret;
2115 } else {
2116 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2117 "interface '%s' due to rfkill", bss->ifname);
2118 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2119 return 0;
2120 drv->if_disabled = 1;
2121 send_rfkill_event = 1;
362f781e 2122 }
3f5285e8 2123
0d547d5f
JM		 2124 if (!drv->hostapd)
2125 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2126 1, IF_OPER_DORMANT);
362f781e 2127
c81eff1a 2128 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
341eebee 2129 bss->addr))
2136f480 2130 return -1;
fee354c7 2131 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
f2ed8023 2132
8401a6b0
JM		 2133 if (send_rfkill_event) {
2134 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2135 drv, drv->ctx);
2136 }
2137
362f781e 2138 return 0;
3f5285e8
JM		 2139}
2140
2141
8a27af5c
JM		 2142static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
2143{
2144 struct nl_msg *msg;
2145
08e55ebb
JM		 2146 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2147 drv->ifindex);
9725b784 2148 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
8a27af5c 2149 return send_and_recv_msgs(drv, msg, NULL, NULL);
8a27af5c 2150}
8a27af5c
JM		 2151
2152
3f5285e8 2153/**
7e5ba1b9 2154 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 2155 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 2156 *
2157 * Shut down driver interface and processing of driver events. Free
2158 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2159 */
9ebce9c5 2160static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 2161{
a2e40bb6 2162 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 2163
3e208481
JM		 2164 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2165 bss->ifname, drv->disabled_11b_rates);
2166
873d0fcf 2167 bss->in_deinit = 1;
32ab4855
JB		 2168 if (drv->data_tx_status)
2169 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 2170 if (drv->eapol_tx_sock >= 0)
2171 close(drv->eapol_tx_sock);
f10bfc9a 2172
481234cf 2173 if (bss->nl_preq)
5582a5d1 2174 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 2175 if (bss->added_if_into_bridge) {
c81eff1a
BG		 2176 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2177 bss->ifname) < 0)
94627f6c
JM		 2178 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2179 "interface %s from bridge %s: %s",
e17a2477 2180 bss->ifname, bss->brname, strerror(errno));
97ed9a06 2181 if (drv->rtnl_sk)
ca3c6b4d 2182 nl80211_handle_destroy(drv->rtnl_sk);
94627f6c 2183 }
e17a2477 2184 if (bss->added_bridge) {
f2535da8
JM		 2185 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2186 0) < 0)
2187 wpa_printf(MSG_INFO,
2188 "nl80211: Could not set bridge %s down",
2189 bss->brname);
c81eff1a 2190 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 2191 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2192 "bridge %s: %s",
e17a2477 2193 bss->brname, strerror(errno));
94627f6c
JM		 2194 }
2195
460456f8 2196 nl80211_remove_monitor_interface(drv);
8a27af5c 2197
b1f625e0 2198 if (is_ap_interface(drv->nlmode))
8a27af5c 2199 wpa_driver_nl80211_del_beacon(drv);
0915d02c 2200
bbaf0837
JM		 2201 if (drv->eapol_sock >= 0) {
2202 eloop_unregister_read_sock(drv->eapol_sock);
2203 close(drv->eapol_sock);
2204 }
2205
2206 if (drv->if_indices != drv->default_if_indices)
2207 os_free(drv->if_indices);
3f5285e8 2208
b3af99d2 2209 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 2210 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2211
36d84860
BG		 2212 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2213 IF_OPER_UP);
e390df05 2214 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
8401a6b0 2215 rfkill_deinit(drv->rfkill);
3f5285e8 2216
bbaf0837
JM		 2217 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2218
146fa9b3
JM		 2219 if (!drv->start_iface_up)
2220 (void) i802_set_iface_flags(bss, 0);
fee354c7
JM		 2221
2222 if (drv->addr_changed) {
93da0498
JM		 2223 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2224 0) < 0) {
2225 wpa_printf(MSG_DEBUG,
2226 "nl80211: Could not set interface down to restore permanent MAC address");
2227 }
fee354c7
JM		 2228 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2229 drv->perm_addr) < 0) {
2230 wpa_printf(MSG_DEBUG,
2231 "nl80211: Could not restore permanent MAC address");
2232 }
2233 }
2234
8e12685c 2235 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 2236 if (!drv->hostapd || !drv->start_mode_ap)
2237 wpa_driver_nl80211_set_mode(bss,
2238 NL80211_IFTYPE_STATION);
b378c41f 2239 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 2240 } else {
2241 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 2242 nl80211_del_p2pdev(bss);
8e12685c 2243 }
3f5285e8 2244
834ee56f 2245 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 2246
3812464c
JM		 2247 os_free(drv->filter_ssids);
2248
536fd62d
JM		 2249 os_free(drv->auth_ie);
2250
dac12351 2251 if (drv->in_interface_list)
f2ed8023
JM		 2252 dl_list_del(&drv->list);
2253
8cd6b7bc
JB		 2254 os_free(drv->extended_capa);
2255 os_free(drv->extended_capa_mask);
834ee56f 2256 os_free(drv->first_bss);
3f5285e8
JM		 2257 os_free(drv);
2258}
2259
2260
de4ed4a8
JM		 2261static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2262{
2263 switch (alg) {
2264 case WPA_ALG_WEP:
2265 if (key_len == 5)
2266 return WLAN_CIPHER_SUITE_WEP40;
2267 return WLAN_CIPHER_SUITE_WEP104;
2268 case WPA_ALG_TKIP:
2269 return WLAN_CIPHER_SUITE_TKIP;
2270 case WPA_ALG_CCMP:
2271 return WLAN_CIPHER_SUITE_CCMP;
2272 case WPA_ALG_GCMP:
2273 return WLAN_CIPHER_SUITE_GCMP;
2274 case WPA_ALG_CCMP_256:
2275 return WLAN_CIPHER_SUITE_CCMP_256;
2276 case WPA_ALG_GCMP_256:
2277 return WLAN_CIPHER_SUITE_GCMP_256;
2278 case WPA_ALG_IGTK:
2279 return WLAN_CIPHER_SUITE_AES_CMAC;
2280 case WPA_ALG_BIP_GMAC_128:
2281 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
2282 case WPA_ALG_BIP_GMAC_256:
2283 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
2284 case WPA_ALG_BIP_CMAC_256:
2285 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
2286 case WPA_ALG_SMS4:
2287 return WLAN_CIPHER_SUITE_SMS4;
2288 case WPA_ALG_KRK:
2289 return WLAN_CIPHER_SUITE_KRK;
2290 case WPA_ALG_NONE:
2291 case WPA_ALG_PMK:
2292 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2293 alg);
2294 return 0;
2295 }
2296
2297 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2298 alg);
2299 return 0;
2300}
2301
2302
2303static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2304{
2305 switch (cipher) {
2306 case WPA_CIPHER_CCMP_256:
2307 return WLAN_CIPHER_SUITE_CCMP_256;
2308 case WPA_CIPHER_GCMP_256:
2309 return WLAN_CIPHER_SUITE_GCMP_256;
2310 case WPA_CIPHER_CCMP:
2311 return WLAN_CIPHER_SUITE_CCMP;
2312 case WPA_CIPHER_GCMP:
2313 return WLAN_CIPHER_SUITE_GCMP;
2314 case WPA_CIPHER_TKIP:
2315 return WLAN_CIPHER_SUITE_TKIP;
2316 case WPA_CIPHER_WEP104:
2317 return WLAN_CIPHER_SUITE_WEP104;
2318 case WPA_CIPHER_WEP40:
2319 return WLAN_CIPHER_SUITE_WEP40;
ae6f9272
JM		 2320 case WPA_CIPHER_GTK_NOT_USED:
2321 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
de4ed4a8
JM		 2322 }
2323
2324 return 0;
2325}
2326
2327
2328static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2329 int max_suites)
2330{
2331 int num_suites = 0;
2332
2333 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2334 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
2335 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2336 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
2337 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2338 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
2339 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2340 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
2341 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2342 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
2343 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2344 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
2345 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2346 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
2347
2348 return num_suites;
2349}
2350
2351
b41f2684
CL		 2352static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2353 const u8 *key, size_t key_len)
2354{
2355 struct nl_msg *msg;
a862e4a3 2356 int ret;
b41f2684 2357
15badebd 2358 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
b41f2684
CL		 2359 return 0;
2360
9725b784 2361 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 2362 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2363 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2364 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2365 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
bbd89bfc 2366 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 2367 nlmsg_free(msg);
2368 return -1;
2369 }
bbd89bfc 2370 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
b41f2684
CL		 2371 if (ret) {
2372 wpa_printf(MSG_DEBUG,
2373 "nl80211: Key management set key failed: ret=%d (%s)",
2374 ret, strerror(-ret));
2375 }
2376
b41f2684
CL		 2377 return ret;
2378}
2379
2380
9ebce9c5 2381static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 2382 enum wpa_alg alg, const u8 *addr,
2383 int key_idx, int set_tx,
642187d6
JM		 2384 const u8 *seq, size_t seq_len,
2385 const u8 *key, size_t key_len)
3f5285e8 2386{
a2e40bb6 2387 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 2388 int ifindex;
3f5285e8 2389 struct nl_msg *msg;
1ad1cdc2 2390 int ret;
dc01de8a 2391 int tdls = 0;
3f5285e8 2392
e472e1b4
AS		 2393 /* Ignore for P2P Device */
2394 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2395 return 0;
2396
2397 ifindex = if_nametoindex(ifname);
8393e1a0 2398 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 2399 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 2400 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 2401 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 2402#ifdef CONFIG_TDLS
dc01de8a 2403 if (key_idx == -1) {
8c66e185 2404 key_idx = 0;
dc01de8a
JM		 2405 tdls = 1;
2406 }
8c66e185 2407#endif /* CONFIG_TDLS */
3f5285e8 2408
15badebd
CL		 2409 if (alg == WPA_ALG_PMK &&
2410 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
b41f2684
CL		 2411 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2412 __func__);
2413 ret = issue_key_mgmt_set_key(drv, key, key_len);
2414 return ret;
2415 }
2416
3f5285e8 2417 if (alg == WPA_ALG_NONE) {
95376e1a
JM		 2418 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2419 if (!msg)
2420 return -ENOBUFS;
3f5285e8 2421 } else {
95376e1a
JM		 2422 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2423 if (!msg ||
a862e4a3
JM		 2424 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
2425 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER,
2426 wpa_alg_to_cipher_suite(alg, key_len)))
2427 goto fail;
e6ef73f1 2428 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3f5285e8
JM		 2429 }
2430
e6ef73f1 2431 if (seq && seq_len) {
a862e4a3
JM		 2432 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2433 goto fail;
e6ef73f1
JM		 2434 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2435 }
1ad1cdc2 2436
0382097e 2437 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8 2438 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
a862e4a3
JM		 2439 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2440 goto fail;
89c38e32
JM		 2441
2442 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2443 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
a862e4a3
JM		 2444 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2445 NL80211_KEYTYPE_GROUP))
2446 goto fail;
89c38e32 2447 }
60ea8187 2448 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2449 struct nlattr *types;
2450
60ea8187 2451 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 2452
2453 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2454 if (!types ||
2455 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2456 goto fail;
8970bae8 2457 nla_nest_end(msg, types);
3f5285e8 2458 }
95376e1a 2459 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
a862e4a3 2460 goto fail;
3f5285e8 2461
bbd89bfc 2462 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
15664ad0 2463 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 2464 ret = 0;
2465 if (ret)
2466 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2467 ret, strerror(-ret));
3f5285e8 2468
1ad1cdc2
JM		 2469 /*
2470 * If we failed or don't need to set the default TX key (below),
2471 * we're done here.
2472 */
dc01de8a 2473 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 2474 return ret;
b1f625e0 2475 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 2476 !is_broadcast_ether_addr(addr))
de12717a 2477 return ret;
3f5285e8 2478
95376e1a
JM		 2479 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2480 if (!msg ||
a862e4a3 2481 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
a862e4a3
JM		 2482 nla_put_flag(msg, alg == WPA_ALG_IGTK ?
2483 NL80211_ATTR_KEY_DEFAULT_MGMT :
2484 NL80211_ATTR_KEY_DEFAULT))
2485 goto fail;
60ea8187 2486 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2487 struct nlattr *types;
2488
2489 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2490 if (!types ||
2491 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2492 goto fail;
8970bae8 2493 nla_nest_end(msg, types);
60ea8187 2494 } else if (addr) {
8970bae8
JB		 2495 struct nlattr *types;
2496
2497 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2498 if (!types ||
2499 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2500 goto fail;
8970bae8 2501 nla_nest_end(msg, types);
60ea8187 2502 }
3f5285e8 2503
1ad1cdc2
JM		 2504 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2505 if (ret == -ENOENT)
2506 ret = 0;
2507 if (ret)
2508 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2509 "err=%d %s)", ret, strerror(-ret));
2510 return ret;
3f5285e8 2511
a862e4a3 2512fail:
bbd89bfc 2513 nl80211_nlmsg_clear(msg);
5883168a 2514 nlmsg_free(msg);
6241fcb1 2515 return -ENOBUFS;
3f5285e8
JM		 2516}
2517
2518
71934751 2519static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 2520 int key_idx, int defkey,
2521 const u8 *seq, size_t seq_len,
2522 const u8 *key, size_t key_len)
2523{
2524 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
2525 if (!key_attr)
2526 return -1;
2527
a862e4a3
JM		 2528 if (defkey && alg == WPA_ALG_IGTK) {
2529 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2530 return -1;
2531 } else if (defkey) {
2532 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2533 return -1;
2534 }
0194fedb 2535
a862e4a3
JM		 2536 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
2537 nla_put_u32(msg, NL80211_KEY_CIPHER,
2538 wpa_alg_to_cipher_suite(alg, key_len)) ||
2539 (seq && seq_len &&
2540 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2541 nla_put(msg, NL80211_KEY_DATA, key_len, key))
2542 return -1;
0194fedb
JB		 2543
2544 nla_nest_end(msg, key_attr);
2545
2546 return 0;
0194fedb
JB		 2547}
2548
c811d5bc 2549
cfaab580
ZY		 2550static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2551 struct nl_msg *msg)
2552{
2553 int i, privacy = 0;
2554 struct nlattr *nl_keys, *nl_key;
2555
2556 for (i = 0; i < 4; i++) {
2557 if (!params->wep_key[i])
2558 continue;
2559 privacy = 1;
2560 break;
2561 }
ce04af5a
JM		 2562 if (params->wps == WPS_MODE_PRIVACY)
2563 privacy = 1;
2564 if (params->pairwise_suite &&
2565 params->pairwise_suite != WPA_CIPHER_NONE)
2566 privacy = 1;
2567
cfaab580
ZY		 2568 if (!privacy)
2569 return 0;
2570
a862e4a3
JM		 2571 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2572 return -ENOBUFS;
cfaab580
ZY		 2573
2574 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2575 if (!nl_keys)
a862e4a3 2576 return -ENOBUFS;
cfaab580
ZY		 2577
2578 for (i = 0; i < 4; i++) {
2579 if (!params->wep_key[i])
2580 continue;
2581
2582 nl_key = nla_nest_start(msg, i);
a862e4a3
JM		 2583 if (!nl_key ||
2584 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
2585 params->wep_key[i]) ||
2586 nla_put_u32(msg, NL80211_KEY_CIPHER,
2587 params->wep_key_len[i] == 5 ?
2588 WLAN_CIPHER_SUITE_WEP40 :
2589 WLAN_CIPHER_SUITE_WEP104) ||
2590 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
2591 (i == params->wep_tx_keyidx &&
2592 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
2593 return -ENOBUFS;
cfaab580
ZY		 2594
2595 nla_nest_end(msg, nl_key);
2596 }
2597 nla_nest_end(msg, nl_keys);
2598
2599 return 0;
cfaab580
ZY		 2600}
2601
2602
477af8f8
JM		 2603int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
2604 const u8 *addr, int cmd, u16 reason_code,
2605 int local_state_change)
c2a04078 2606{
a862e4a3 2607 int ret;
c2a04078
JM		 2608 struct nl_msg *msg;
2609
9725b784 2610 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM		 2611 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
2612 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
2613 (local_state_change &&
2614 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
2615 nlmsg_free(msg);
2616 return -1;
2617 }
c2a04078
JM		 2618
2619 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 2620 if (ret) {
3b7ea880
BG		 2621 wpa_dbg(drv->ctx, MSG_DEBUG,
2622 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2623 reason_code, ret, strerror(-ret));
c2a04078 2624 }
c2a04078
JM		 2625 return ret;
2626}
3f5285e8
JM		 2627
2628
cfaab580 2629static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 2630 int reason_code)
cfaab580 2631{
3f53c006
JJ		 2632 int ret;
2633
817762d9 2634 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 2635 nl80211_mark_disconnected(drv);
817762d9 2636 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 2637 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
2638 reason_code, 0);
2639 /*
2640 * For locally generated disconnect, supplicant already generates a
2641 * DEAUTH event, so ignore the event from NL80211.
2642 */
2643 drv->ignore_next_local_disconnect = ret == 0;
2644
2645 return ret;
cfaab580
ZY		 2646}
2647
2648
9ebce9c5
JM		 2649static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
2650 const u8 *addr, int reason_code)
3f5285e8 2651{
a2e40bb6 2652 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 2653 int ret;
9392c9be
AS		 2654
2655 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2656 nl80211_mark_disconnected(drv);
666e508c 2657 return nl80211_leave_ibss(drv, 1);
9392c9be 2658 }
cfaab580 2659 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 2660 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 2661 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
2662 __func__, MAC2STR(addr), reason_code);
add9b7a4 2663 nl80211_mark_disconnected(drv);
d6a36f39
JM		 2664 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
2665 reason_code, 0);
2666 /*
2667 * For locally generated deauthenticate, supplicant already generates a
2668 * DEAUTH event, so ignore the event from NL80211.
2669 */
2670 drv->ignore_next_local_deauth = ret == 0;
2671 return ret;
3f5285e8
JM		 2672}
2673
2674
536fd62d
JM		 2675static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
2676 struct wpa_driver_auth_params *params)
2677{
2678 int i;
2679
2680 drv->auth_freq = params->freq;
2681 drv->auth_alg = params->auth_alg;
2682 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
2683 drv->auth_local_state_change = params->local_state_change;
2684 drv->auth_p2p = params->p2p;
2685
2686 if (params->bssid)
2687 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
2688 else
2689 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
2690
2691 if (params->ssid) {
2692 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
2693 drv->auth_ssid_len = params->ssid_len;
2694 } else
2695 drv->auth_ssid_len = 0;
2696
2697
2698 os_free(drv->auth_ie);
2699 drv->auth_ie = NULL;
2700 drv->auth_ie_len = 0;
2701 if (params->ie) {
2702 drv->auth_ie = os_malloc(params->ie_len);
2703 if (drv->auth_ie) {
2704 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
2705 drv->auth_ie_len = params->ie_len;
2706 }
2707 }
2708
2709 for (i = 0; i < 4; i++) {
2710 if (params->wep_key[i] && params->wep_key_len[i] &&
2711 params->wep_key_len[i] <= 16) {
2712 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
2713 params->wep_key_len[i]);
2714 drv->auth_wep_key_len[i] = params->wep_key_len[i];
2715 } else
2716 drv->auth_wep_key_len[i] = 0;
2717 }
2718}
2719
2720
4bd71954
JM		 2721static void nl80211_unmask_11b_rates(struct i802_bss *bss)
2722{
2723 struct wpa_driver_nl80211_data *drv = bss->drv;
2724
2725 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
2726 return;
2727
2728 /*
2729 * Looks like we failed to unmask 11b rates previously. This could
2730 * happen, e.g., if the interface was down at the point in time when a
2731 * P2P group was terminated.
2732 */
2733 wpa_printf(MSG_DEBUG,
2734 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
2735 bss->ifname);
2736 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2737}
2738
2739
c2a04078 2740static int wpa_driver_nl80211_authenticate(
9ebce9c5 2741 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 2742{
a2e40bb6 2743 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 2744 int ret = -1, i;
c2a04078
JM		 2745 struct nl_msg *msg;
2746 enum nl80211_auth_type type;
2f4f73b1 2747 enum nl80211_iftype nlmode;
6d6f4bb8 2748 int count = 0;
536fd62d
JM		 2749 int is_retry;
2750
4bd71954
JM		 2751 nl80211_unmask_11b_rates(bss);
2752
536fd62d
JM		 2753 is_retry = drv->retry_auth;
2754 drv->retry_auth = 0;
e8d70a73 2755 drv->ignore_deauth_event = 0;
c2a04078 2756
add9b7a4 2757 nl80211_mark_disconnected(drv);
e6b8efeb 2758 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 2759 if (params->bssid)
2760 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
2761 else
2762 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 2763 /* FIX: IBSS mode */
2f4f73b1
EP		 2764 nlmode = params->p2p ?
2765 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
2766 if (drv->nlmode != nlmode &&
9ebce9c5 2767 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 2768 return -1;
2769
6d6f4bb8 2770retry:
c2a04078
JM		 2771 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
2772 drv->ifindex);
a0b2f99b 2773
9725b784
JM		 2774 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
2775 if (!msg)
2776 goto fail;
0194fedb 2777
a0b2f99b
JM		 2778 for (i = 0; i < 4; i++) {
2779 if (!params->wep_key[i])
2780 continue;
9ebce9c5 2781 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 2782 NULL, i,
a0b2f99b
JM		 2783 i == params->wep_tx_keyidx, NULL, 0,
2784 params->wep_key[i],
2785 params->wep_key_len[i]);
0194fedb
JB		 2786 if (params->wep_tx_keyidx != i)
2787 continue;
2788 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM		 2789 params->wep_key[i], params->wep_key_len[i]))
2790 goto fail;
a0b2f99b
JM		 2791 }
2792
c2a04078
JM		 2793 if (params->bssid) {
2794 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
2795 MAC2STR(params->bssid));
a862e4a3
JM		 2796 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
2797 goto fail;
c2a04078
JM		 2798 }
2799 if (params->freq) {
2800 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 2801 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
2802 goto fail;
c2a04078
JM		 2803 }
2804 if (params->ssid) {
2805 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
2806 params->ssid, params->ssid_len);
a862e4a3
JM		 2807 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
2808 params->ssid))
2809 goto fail;
c2a04078
JM		 2810 }
2811 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM		 2812 if (params->ie &&
2813 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
2814 goto fail;
569fed90
JM		 2815 if (params->sae_data) {
2816 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
2817 params->sae_data_len);
a862e4a3
JM		 2818 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
2819 params->sae_data))
2820 goto fail;
569fed90 2821 }
abd9fafa 2822 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 2823 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 2824 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 2825 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 2826 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 2827 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 2828 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 2829 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 2830 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
2831 type = NL80211_AUTHTYPE_SAE;
c2a04078 2832 else
a862e4a3 2833 goto fail;
c2a04078 2834 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
a862e4a3
JM		 2835 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
2836 goto fail;
77339912
JM		 2837 if (params->local_state_change) {
2838 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM		 2839 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
2840 goto fail;
77339912 2841 }
c2a04078
JM		 2842
2843 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2844 msg = NULL;
2845 if (ret) {
3b7ea880
BG		 2846 wpa_dbg(drv->ctx, MSG_DEBUG,
2847 "nl80211: MLME command failed (auth): ret=%d (%s)",
2848 ret, strerror(-ret));
6d6f4bb8 2849 count++;
77339912
JM		 2850 if (ret == -EALREADY && count == 1 && params->bssid &&
2851 !params->local_state_change) {
6d6f4bb8
JM		 2852 /*
2853 * mac80211 does not currently accept new
2854 * authentication if we are already authenticated. As a
2855 * workaround, force deauthentication and try again.
2856 */
2857 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
2858 "after forced deauthentication");
e8d70a73 2859 drv->ignore_deauth_event = 1;
6d6f4bb8 2860 wpa_driver_nl80211_deauthenticate(
5205c4f9 2861 bss, params->bssid,
6d6f4bb8
JM		 2862 WLAN_REASON_PREV_AUTH_NOT_VALID);
2863 nlmsg_free(msg);
2864 goto retry;
2865 }
536fd62d
JM		 2866
2867 if (ret == -ENOENT && params->freq && !is_retry) {
2868 /*
2869 * cfg80211 has likely expired the BSS entry even
2870 * though it was previously available in our internal
2871 * BSS table. To recover quickly, start a single
2872 * channel scan on the specified channel.
2873 */
2874 struct wpa_driver_scan_params scan;
2875 int freqs[2];
2876
2877 os_memset(&scan, 0, sizeof(scan));
2878 scan.num_ssids = 1;
2879 if (params->ssid) {
2880 scan.ssids[0].ssid = params->ssid;
2881 scan.ssids[0].ssid_len = params->ssid_len;
2882 }
2883 freqs[0] = params->freq;
2884 freqs[1] = 0;
2885 scan.freqs = freqs;
2886 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
2887 "channel scan to refresh cfg80211 BSS "
2888 "entry");
2889 ret = wpa_driver_nl80211_scan(bss, &scan);
2890 if (ret == 0) {
2891 nl80211_copy_auth_params(drv, params);
2892 drv->scan_for_auth = 1;
2893 }
8c3ba078
JM		 2894 } else if (is_retry) {
2895 /*
2896 * Need to indicate this with an event since the return
2897 * value from the retry is not delivered to core code.
2898 */
2899 union wpa_event_data event;
2900 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
2901 "failed");
2902 os_memset(&event, 0, sizeof(event));
2903 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
2904 ETH_ALEN);
2905 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
2906 &event);
536fd62d 2907 }
a862e4a3
JM		 2908 } else {
2909 wpa_printf(MSG_DEBUG,
2910 "nl80211: Authentication request send successfully");
c2a04078 2911 }
c2a04078 2912
a862e4a3 2913fail:
c2a04078
JM		 2914 nlmsg_free(msg);
2915 return ret;
2916}
2917
2918
f3407c66 2919int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM		 2920{
2921 struct wpa_driver_auth_params params;
834ee56f 2922 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 2923 int i;
2924
2925 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
2926
2927 os_memset(&params, 0, sizeof(params));
2928 params.freq = drv->auth_freq;
2929 params.auth_alg = drv->auth_alg;
2930 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
2931 params.local_state_change = drv->auth_local_state_change;
2932 params.p2p = drv->auth_p2p;
2933
2934 if (!is_zero_ether_addr(drv->auth_bssid_))
2935 params.bssid = drv->auth_bssid_;
2936
2937 if (drv->auth_ssid_len) {
2938 params.ssid = drv->auth_ssid;
2939 params.ssid_len = drv->auth_ssid_len;
2940 }
2941
2942 params.ie = drv->auth_ie;
2943 params.ie_len = drv->auth_ie_len;
2944
2945 for (i = 0; i < 4; i++) {
2946 if (drv->auth_wep_key_len[i]) {
2947 params.wep_key[i] = drv->auth_wep_key[i];
2948 params.wep_key_len[i] = drv->auth_wep_key_len[i];
2949 }
2950 }
2951
2952 drv->retry_auth = 1;
2953 return wpa_driver_nl80211_authenticate(bss, &params);
2954}
2955
2956
a11241fa
JB		 2957static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
2958 const void *data, size_t len,
55231068
JM		 2959 int encrypt, int noack,
2960 unsigned int freq, int no_cck,
2961 int offchanok, unsigned int wait_time)
a11241fa
JB		 2962{
2963 struct wpa_driver_nl80211_data *drv = bss->drv;
2964 u64 cookie;
41cc50d1 2965 int res;
a11241fa 2966
c7caac56
JM		 2967 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
2968 freq = nl80211_get_assoc_freq(drv);
2969 wpa_printf(MSG_DEBUG,
2970 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
2971 freq);
2972 }
af964484
JM		 2973 if (freq == 0) {
2974 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
2975 bss->freq);
55231068 2976 freq = bss->freq;
af964484 2977 }
55231068 2978
739faee2 2979 if (drv->use_monitor) {
981cf85a 2980 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
739faee2 2981 freq, bss->freq);
981cf85a 2982 return nl80211_send_monitor(drv, data, len, encrypt, noack);
739faee2 2983 }
a11241fa 2984
739faee2 2985 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1
JM		 2986 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
2987 &cookie, no_cck, noack, offchanok);
2988 if (res == 0 && !noack) {
2989 const struct ieee80211_mgmt *mgmt;
2990 u16 fc;
2991
2992 mgmt = (const struct ieee80211_mgmt *) data;
2993 fc = le_to_host16(mgmt->frame_control);
2994 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
2995 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
2996 wpa_printf(MSG_MSGDUMP,
2997 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
2998 (long long unsigned int)
2999 drv->send_action_cookie,
3000 (long long unsigned int) cookie);
3001 drv->send_action_cookie = cookie;
3002 }
3003 }
3004
3005 return res;
a11241fa
JB		 3006}
3007
3008
9ebce9c5
JM		 3009static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3010 size_t data_len, int noack,
3011 unsigned int freq, int no_cck,
3012 int offchanok,
3013 unsigned int wait_time)
2c2010ac 3014{
a2e40bb6 3015 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 3016 struct ieee80211_mgmt *mgmt;
7a47d567 3017 int encrypt = 1;
2c2010ac
JM		 3018 u16 fc;
3019
3020 mgmt = (struct ieee80211_mgmt *) data;
3021 fc = le_to_host16(mgmt->frame_control);
f95a4524
PF		 3022 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3023 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3024 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3025 fc, fc2str(fc), drv->nlmode);
2c2010ac 3026
8e12685c
AS		 3027 if ((is_sta_interface(drv->nlmode) ||
3028 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 3029 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3030 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3031 /*
3032 * The use of last_mgmt_freq is a bit of a hack,
3033 * but it works due to the single-threaded nature
3034 * of wpa_supplicant.
3035 */
af964484
JM		 3036 if (freq == 0) {
3037 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3038 drv->last_mgmt_freq);
55231068 3039 freq = drv->last_mgmt_freq;
af964484 3040 }
55231068 3041 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7
JB		 3042 data, data_len, NULL, 1, noack,
3043 1);
5582a5d1
JB		 3044 }
3045
61cbe2ff 3046 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 3047 if (freq == 0) {
3048 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3049 bss->freq);
55231068 3050 freq = bss->freq;
af964484 3051 }
b5671498
JM		 3052 return nl80211_send_frame_cmd(bss, freq,
3053 (int) freq == bss->freq ? 0 :
3054 wait_time,
d8d6b32e
DG		 3055 data, data_len,
3056 &drv->send_action_cookie,
55231068 3057 no_cck, noack, offchanok);
86957e62
JM		 3058 }
3059
2c2010ac
JM		 3060 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3061 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3062 /*
3063 * Only one of the authentication frame types is encrypted.
3064 * In order for static WEP encryption to work properly (i.e.,
3065 * to not encrypt the frame), we need to tell mac80211 about
3066 * the frames that must not be encrypted.
3067 */
3068 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3069 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 3070 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3071 encrypt = 0;
2c2010ac
JM		 3072 }
3073
739faee2 3074 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 3075 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068
JM		 3076 noack, freq, no_cck, offchanok,
3077 wait_time);
3078}
3079
3080
cae87abd
JM		 3081static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3082{
3083 u8 rates[NL80211_MAX_SUPP_RATES];
3084 u8 rates_len = 0;
3085 int i;
3086
3087 if (!basic_rates)
3088 return 0;
3089
3090 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3091 rates[rates_len++] = basic_rates[i] / 5;
3092
3093 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3094}
3095
3096
31357268 3097static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47 3098 int slot, int ht_opmode, int ap_isolate,
cae87abd 3099 const int *basic_rates)
31357268
JM		 3100{
3101 struct wpa_driver_nl80211_data *drv = bss->drv;
3102 struct nl_msg *msg;
3103
13f83980 3104 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM		 3105 (cts >= 0 &&
3106 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3107 (preamble >= 0 &&
3108 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3109 (slot >= 0 &&
3110 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3111 (ht_opmode >= 0 &&
3112 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3113 (ap_isolate >= 0 &&
cae87abd
JM		 3114 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3115 nl80211_put_basic_rates(msg, basic_rates)) {
3116 nlmsg_free(msg);
3117 return -ENOBUFS;
e5693c47
JM		 3118 }
3119
31357268 3120 return send_and_recv_msgs(drv, msg, NULL, NULL);
31357268
JM		 3121}
3122
3123
3c4ca363
VN		 3124static int wpa_driver_nl80211_set_acl(void *priv,
3125 struct hostapd_acl_params *params)
3126{
3127 struct i802_bss *bss = priv;
3128 struct wpa_driver_nl80211_data *drv = bss->drv;
3129 struct nl_msg *msg;
3130 struct nlattr *acl;
3131 unsigned int i;
a862e4a3 3132 int ret;
3c4ca363
VN		 3133
3134 if (!(drv->capa.max_acl_mac_addrs))
3135 return -ENOTSUP;
3136
3137 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3138 return -ENOTSUP;
3139
3c4ca363
VN		 3140 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3141 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3142
9725b784 3143 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM		 3144 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3145 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3146 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
3147 (acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS)) == NULL) {
3148 nlmsg_free(msg);
3149 return -ENOMEM;
3150 }
3c4ca363 3151
a862e4a3
JM		 3152 for (i = 0; i < params->num_mac_acl; i++) {
3153 if (nla_put(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3154 nlmsg_free(msg);
3155 return -ENOMEM;
3156 }
3157 }
3c4ca363
VN		 3158
3159 nla_nest_end(msg, acl);
3160
3161 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN		 3162 if (ret) {
3163 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3164 ret, strerror(-ret));
3165 }
3166
3c4ca363
VN		 3167 return ret;
3168}
3169
3170
85e1fad8
JM		 3171static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3172{
3173 if (beacon_int > 0) {
3174 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3175 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3176 beacon_int);
3177 }
3178
3179 return 0;
3180}
3181
3182
19c3b566
JM		 3183static int wpa_driver_nl80211_set_ap(void *priv,
3184 struct wpa_driver_ap_params *params)
d2440ba0 3185{
a2e40bb6
FF		 3186 struct i802_bss *bss = priv;
3187 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 3188 struct nl_msg *msg;
3189 u8 cmd = NL80211_CMD_NEW_BEACON;
3190 int ret;
b4fd6fab 3191 int beacon_set;
b11d1d64 3192 int num_suites;
da1080d7 3193 int smps_mode;
de4ed4a8 3194 u32 suites[10], suite;
b11d1d64 3195 u32 ver;
b4fd6fab 3196
b4fd6fab 3197 beacon_set = bss->beacon_set;
d2440ba0 3198
d2440ba0 3199 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 3200 beacon_set);
3201 if (beacon_set)
d2440ba0
JM		 3202 cmd = NL80211_CMD_SET_BEACON;
3203
b92e08fc
JM		 3204 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3205 params->head, params->head_len);
b92e08fc
JM		 3206 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3207 params->tail, params->tail_len);
13f83980 3208 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 3209 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
b92e08fc 3210 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
b92e08fc
JM		 3211 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3212 params->ssid, params->ssid_len);
13f83980 3213 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 3214 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3215 params->head) ||
3216 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3217 params->tail) ||
85e1fad8 3218 nl80211_put_beacon_int(msg, params->beacon_int) ||
a862e4a3
JM		 3219 nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) ||
3220 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3221 goto fail;
b92e08fc
JM		 3222 if (params->proberesp && params->proberesp_len) {
3223 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3224 params->proberesp, params->proberesp_len);
a862e4a3
JM		 3225 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3226 params->proberesp))
3227 goto fail;
b92e08fc 3228 }
97a7a0b5
JM		 3229 switch (params->hide_ssid) {
3230 case NO_SSID_HIDING:
b92e08fc 3231 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM		 3232 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3233 NL80211_HIDDEN_SSID_NOT_IN_USE))
3234 goto fail;
97a7a0b5
JM		 3235 break;
3236 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 3237 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM		 3238 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3239 NL80211_HIDDEN_SSID_ZERO_LEN))
3240 goto fail;
97a7a0b5
JM		 3241 break;
3242 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 3243 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM		 3244 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3245 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3246 goto fail;
97a7a0b5
JM		 3247 break;
3248 }
b92e08fc 3249 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM		 3250 if (params->privacy &&
3251 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3252 goto fail;
b92e08fc 3253 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 3254 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3255 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3256 /* Leave out the attribute */
a862e4a3
JM		 3257 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3258 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3259 NL80211_AUTHTYPE_SHARED_KEY))
3260 goto fail;
3261 } else {
3262 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3263 NL80211_AUTHTYPE_OPEN_SYSTEM))
3264 goto fail;
3265 }
b11d1d64 3266
b92e08fc 3267 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 3268 ver = 0;
3269 if (params->wpa_version & WPA_PROTO_WPA)
3270 ver |= NL80211_WPA_VERSION_1;
3271 if (params->wpa_version & WPA_PROTO_RSN)
3272 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM		 3273 if (ver &&
3274 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3275 goto fail;
b11d1d64 3276
b92e08fc
JM		 3277 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3278 params->key_mgmt_suites);
b11d1d64
JM		 3279 num_suites = 0;
3280 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3281 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
3282 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3283 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
a862e4a3
JM		 3284 if (num_suites &&
3285 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3286 suites))
3287 goto fail;
b11d1d64 3288
533fe09b 3289 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
a862e4a3
JM		 3290 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40) &&
3291 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
3292 goto fail;
9f12614b 3293
b92e08fc
JM		 3294 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3295 params->pairwise_ciphers);
de4ed4a8
JM		 3296 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3297 suites, ARRAY_SIZE(suites));
a862e4a3
JM		 3298 if (num_suites &&
3299 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3300 num_suites * sizeof(u32), suites))
3301 goto fail;
b11d1d64 3302
b92e08fc
JM		 3303 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3304 params->group_cipher);
de4ed4a8 3305 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM		 3306 if (suite &&
3307 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3308 goto fail;
d2440ba0 3309
da1080d7
EP		 3310 switch (params->smps_mode) {
3311 case HT_CAP_INFO_SMPS_DYNAMIC:
3312 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3313 smps_mode = NL80211_SMPS_DYNAMIC;
3314 break;
3315 case HT_CAP_INFO_SMPS_STATIC:
3316 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3317 smps_mode = NL80211_SMPS_STATIC;
3318 break;
3319 default:
3320 /* invalid - fallback to smps off */
3321 case HT_CAP_INFO_SMPS_DISABLED:
3322 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3323 smps_mode = NL80211_SMPS_OFF;
3324 break;
3325 }
a862e4a3
JM		 3326 if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
3327 goto fail;
da1080d7 3328
fb91db56 3329 if (params->beacon_ies) {
b92e08fc
JM		 3330 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3331 params->beacon_ies);
a862e4a3
JM		 3332 if (nla_put(msg, NL80211_ATTR_IE,
3333 wpabuf_len(params->beacon_ies),
3334 wpabuf_head(params->beacon_ies)))
3335 goto fail;
fb91db56
JM		 3336 }
3337 if (params->proberesp_ies) {
b92e08fc
JM		 3338 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3339 params->proberesp_ies);
a862e4a3
JM		 3340 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3341 wpabuf_len(params->proberesp_ies),
3342 wpabuf_head(params->proberesp_ies)))
3343 goto fail;
fb91db56
JM		 3344 }
3345 if (params->assocresp_ies) {
b92e08fc
JM		 3346 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3347 params->assocresp_ies);
a862e4a3
JM		 3348 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3349 wpabuf_len(params->assocresp_ies),
3350 wpabuf_head(params->assocresp_ies)))
3351 goto fail;
fb91db56
JM		 3352 }
3353
a0133ee1 3354 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 3355 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3356 params->ap_max_inactivity);
a862e4a3
JM		 3357 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3358 params->ap_max_inactivity))
3359 goto fail;
a0133ee1
VT		 3360 }
3361
d2440ba0
JM		 3362 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3363 if (ret) {
3364 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
3365 ret, strerror(-ret));
b4fd6fab 3366 } else {
b4fd6fab 3367 bss->beacon_set = 1;
31357268 3368 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 3369 params->short_slot_time, params->ht_opmode,
e5693c47 3370 params->isolate, params->basic_rates);
e87ef751
PX		 3371 if (beacon_set && params->freq &&
3372 params->freq->bandwidth != bss->bandwidth) {
3373 wpa_printf(MSG_DEBUG,
3374 "nl80211: Update BSS %s bandwidth: %d -> %d",
3375 bss->ifname, bss->bandwidth,
3376 params->freq->bandwidth);
3377 ret = nl80211_set_channel(bss, params->freq, 1);
3378 if (ret) {
3379 wpa_printf(MSG_DEBUG,
3380 "nl80211: Frequency set failed: %d (%s)",
3381 ret, strerror(-ret));
3382 } else {
3383 wpa_printf(MSG_DEBUG,
3384 "nl80211: Frequency set succeeded for ht2040 coex");
3385 bss->bandwidth = params->freq->bandwidth;
3386 }
3387 } else if (!beacon_set) {
3388 /*
3389 * cfg80211 updates the driver on frequence change in AP
3390 * mode only at the point when beaconing is started, so
3391 * set the initial value here.
3392 */
3393 bss->bandwidth = params->freq->bandwidth;
3394 }
b4fd6fab 3395 }
d2440ba0 3396 return ret;
a862e4a3 3397fail:
5883168a 3398 nlmsg_free(msg);
d2440ba0
JM		 3399 return -ENOBUFS;
3400}
3401
3402
1c4ffa87 3403static int nl80211_put_freq_params(struct nl_msg *msg,
72b2605f 3404 const struct hostapd_freq_params *freq)
1581b38b 3405{
1fc4ab23 3406 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
a862e4a3
JM		 3407 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
3408 return -ENOBUFS;
3409
1fc4ab23
JM		 3410 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
3411 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
3412
89b800d7 3413 if (freq->vht_enabled) {
a862e4a3
JM		 3414 enum nl80211_chan_width cw;
3415
1fc4ab23 3416 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
89b800d7
JB		 3417 switch (freq->bandwidth) {
3418 case 20:
a862e4a3 3419 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB		 3420 break;
3421 case 40:
a862e4a3 3422 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB		 3423 break;
3424 case 80:
3425 if (freq->center_freq2)
a862e4a3 3426 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 3427 else
a862e4a3 3428 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB		 3429 break;
3430 case 160:
a862e4a3 3431 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB		 3432 break;
3433 default:
1c4ffa87 3434 return -EINVAL;
89b800d7 3435 }
a862e4a3 3436
1fc4ab23
JM		 3437 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
3438 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
3439 freq->center_freq1);
3440 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
3441 freq->center_freq2);
a862e4a3
JM		 3442 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
3443 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
3444 freq->center_freq1) ||
3445 (freq->center_freq2 &&
3446 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
3447 freq->center_freq2)))
3448 return -ENOBUFS;
89b800d7 3449 } else if (freq->ht_enabled) {
a862e4a3
JM		 3450 enum nl80211_channel_type ct;
3451
1fc4ab23
JM		 3452 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
3453 freq->sec_channel_offset);
89b800d7 3454 switch (freq->sec_channel_offset) {
f019981a 3455 case -1:
a862e4a3 3456 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM		 3457 break;
3458 case 1:
a862e4a3 3459 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM		 3460 break;
3461 default:
a862e4a3 3462 ct = NL80211_CHAN_HT20;
f019981a
JM		 3463 break;
3464 }
a862e4a3 3465
1fc4ab23 3466 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
a862e4a3
JM		 3467 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
3468 return -ENOBUFS;
f019981a 3469 }
1c4ffa87 3470 return 0;
1c4ffa87
AO		 3471}
3472
3473
e87ef751
PX		 3474static int nl80211_set_channel(struct i802_bss *bss,
3475 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 3476{
3477 struct wpa_driver_nl80211_data *drv = bss->drv;
3478 struct nl_msg *msg;
3479 int ret;
3480
3481 wpa_printf(MSG_DEBUG,
3482 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3483 freq->freq, freq->ht_enabled, freq->vht_enabled,
3484 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 3485
9725b784
JM		 3486 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
3487 NL80211_CMD_SET_WIPHY);
3488 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM		 3489 nlmsg_free(msg);
3490 return -1;
3491 }
1581b38b 3492
d2440ba0 3493 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 3494 if (ret == 0) {
89b800d7 3495 bss->freq = freq->freq;
1581b38b 3496 return 0;
e4fb2167 3497 }
f019981a 3498 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 3499 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM		 3500 return -1;
3501}
3502
0f4e8b4f 3503
95ab6063
AN		 3504static u32 sta_flags_nl80211(int flags)
3505{
3506 u32 f = 0;
3507
3508 if (flags & WPA_STA_AUTHORIZED)
3509 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
3510 if (flags & WPA_STA_WMM)
3511 f |= BIT(NL80211_STA_FLAG_WME);
3512 if (flags & WPA_STA_SHORT_PREAMBLE)
3513 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
3514 if (flags & WPA_STA_MFP)
3515 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 3516 if (flags & WPA_STA_TDLS_PEER)
3517 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC		 3518 if (flags & WPA_STA_AUTHENTICATED)
3519 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
95ab6063
AN		 3520
3521 return f;
3522}
3523
3524
7c7e7877
BC		 3525#ifdef CONFIG_MESH
3526static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
3527{
3528 switch (state) {
3529 case PLINK_LISTEN:
3530 return NL80211_PLINK_LISTEN;
3531 case PLINK_OPEN_SENT:
3532 return NL80211_PLINK_OPN_SNT;
3533 case PLINK_OPEN_RCVD:
3534 return NL80211_PLINK_OPN_RCVD;
3535 case PLINK_CNF_RCVD:
3536 return NL80211_PLINK_CNF_RCVD;
3537 case PLINK_ESTAB:
3538 return NL80211_PLINK_ESTAB;
3539 case PLINK_HOLDING:
3540 return NL80211_PLINK_HOLDING;
3541 case PLINK_BLOCKED:
3542 return NL80211_PLINK_BLOCKED;
3543 default:
3544 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
3545 state);
3546 }
3547 return -1;
3548}
3549#endif /* CONFIG_MESH */
3550
3551
62847751 3552static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 3553 struct hostapd_sta_add_params *params)
3554{
a2e40bb6
FF		 3555 struct i802_bss *bss = priv;
3556 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 3557 struct nl_msg *msg;
95ab6063 3558 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 3559 int ret = -ENOBUFS;
3560
45b722f1
AN		 3561 if ((params->flags & WPA_STA_TDLS_PEER) &&
3562 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
3563 return -EOPNOTSUPP;
3564
e4dea253
JM		 3565 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
3566 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM		 3567 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
3568 NL80211_CMD_NEW_STATION);
3569 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 3570 goto fail;
5551bc9c
BC		 3571
3572 if (!params->set || (params->flags & WPA_STA_TDLS_PEER)) {
5551bc9c
BC		 3573 wpa_hexdump(MSG_DEBUG, " * supported rates",
3574 params->supp_rates, params->supp_rates_len);
a862e4a3
JM		 3575 wpa_printf(MSG_DEBUG, " * capability=0x%x",
3576 params->capability);
3577 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
3578 params->supp_rates_len, params->supp_rates) ||
3579 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
3580 params->capability))
3581 goto fail;
e503861f
JM		 3582
3583 if (params->ht_capabilities) {
3584 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
3585 (u8 *) params->ht_capabilities,
3586 sizeof(*params->ht_capabilities));
a862e4a3
JM		 3587 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
3588 sizeof(*params->ht_capabilities),
3589 params->ht_capabilities))
3590 goto fail;
e503861f
JM		 3591 }
3592
3593 if (params->vht_capabilities) {
3594 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
3595 (u8 *) params->vht_capabilities,
3596 sizeof(*params->vht_capabilities));
a862e4a3
JM		 3597 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
3598 sizeof(*params->vht_capabilities),
3599 params->vht_capabilities))
3600 goto fail;
e503861f
JM		 3601 }
3602
e503861f
JM		 3603 if (params->ext_capab) {
3604 wpa_hexdump(MSG_DEBUG, " * ext_capab",
3605 params->ext_capab, params->ext_capab_len);
a862e4a3
JM		 3606 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
3607 params->ext_capab_len, params->ext_capab))
3608 goto fail;
e503861f 3609 }
5551bc9c 3610 }
45b722f1 3611 if (!params->set) {
f11b72c3
JM		 3612 if (params->aid) {
3613 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM		 3614 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
3615 goto fail;
f11b72c3
JM		 3616 } else {
3617 /*
3618 * cfg80211 validates that AID is non-zero, so we have
3619 * to make this a non-zero value for the TDLS case where
3620 * a dummy STA entry is used for now.
3621 */
3622 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
a862e4a3
JM		 3623 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
3624 goto fail;
f11b72c3 3625 }
e4dea253
JM		 3626 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
3627 params->listen_interval);
a862e4a3
JM		 3628 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
3629 params->listen_interval))
3630 goto fail;
e112764e
JM		 3631 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
3632 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM		 3633 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
3634 goto fail;
45b722f1 3635 }
05a8d422 3636
8a458116
MK		 3637 if (params->vht_opmode_enabled) {
3638 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM		 3639 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
3640 params->vht_opmode))
3641 goto fail;
8a458116
MK		 3642 }
3643
efc64886
SD		 3644 if (params->supp_channels) {
3645 wpa_hexdump(MSG_DEBUG, " * supported channels",
3646 params->supp_channels, params->supp_channels_len);
a862e4a3
JM		 3647 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
3648 params->supp_channels_len, params->supp_channels))
3649 goto fail;
efc64886
SD		 3650 }
3651
3652 if (params->supp_oper_classes) {
3653 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
3654 params->supp_oper_classes,
3655 params->supp_oper_classes_len);
a862e4a3
JM		 3656 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
3657 params->supp_oper_classes_len,
3658 params->supp_oper_classes))
3659 goto fail;
efc64886
SD		 3660 }
3661
95ab6063 3662 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC		 3663 upd.set = sta_flags_nl80211(params->flags);
3664 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
e4dea253
JM		 3665 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
3666 upd.set, upd.mask);
a862e4a3
JM		 3667 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
3668 goto fail;
95ab6063 3669
7c7e7877 3670#ifdef CONFIG_MESH
a862e4a3
JM		 3671 if (params->plink_state &&
3672 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
3673 sta_plink_state_nl80211(params->plink_state)))
3674 goto fail;
7c7e7877
BC		 3675#endif /* CONFIG_MESH */
3676
774bfa62 3677 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 3678 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
3679
e4dea253 3680 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM		 3681 if (!wme ||
3682 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
3683 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
3684 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
3685 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
3686 WMM_QOSINFO_STA_SP_MASK))
3687 goto fail;
8970bae8 3688 nla_nest_end(msg, wme);
774bfa62
EP		 3689 }
3690
0f4e8b4f 3691 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 3692 msg = NULL;
0f4e8b4f 3693 if (ret)
45b722f1
AN		 3694 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
3695 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
3696 strerror(-ret));
0f4e8b4f
JM		 3697 if (ret == -EEXIST)
3698 ret = 0;
a862e4a3 3699fail:
5883168a 3700 nlmsg_free(msg);
0f4e8b4f
JM		 3701 return ret;
3702}
3703
3704
97ed9a06
KP		 3705static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
3706{
3707#ifdef CONFIG_LIBNL3_ROUTE
3708 struct wpa_driver_nl80211_data *drv = bss->drv;
3709 struct rtnl_neigh *rn;
3710 struct nl_addr *nl_addr;
3711 int err;
3712
3713 rn = rtnl_neigh_alloc();
3714 if (!rn)
3715 return;
3716
3717 rtnl_neigh_set_family(rn, AF_BRIDGE);
3718 rtnl_neigh_set_ifindex(rn, bss->ifindex);
3719 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
3720 if (!nl_addr) {
3721 rtnl_neigh_put(rn);
3722 return;
3723 }
3724 rtnl_neigh_set_lladdr(rn, nl_addr);
3725
3726 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
3727 if (err < 0) {
3728 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
3729 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
3730 bss->ifindex, nl_geterror(err));
3731 } else {
3732 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
3733 MACSTR, MAC2STR(addr));
3734 }
3735
3736 nl_addr_put(nl_addr);
3737 rtnl_neigh_put(rn);
3738#endif /* CONFIG_LIBNL3_ROUTE */
3739}
3740
3741
59d7148a
JM		 3742static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
3743 int deauth, u16 reason_code)
0f4e8b4f 3744{
a2e40bb6 3745 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 3746 struct nl_msg *msg;
3747 int ret;
3748
13f83980 3749 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM		 3750 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
3751 (deauth == 0 &&
3752 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3753 WLAN_FC_STYPE_DISASSOC)) ||
3754 (deauth == 1 &&
3755 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3756 WLAN_FC_STYPE_DEAUTH)) ||
3757 (reason_code &&
3758 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
3759 nlmsg_free(msg);
3760 return -ENOBUFS;
3761 }
0f4e8b4f
JM		 3762
3763 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 3764 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
3765 " --> %d (%s)",
3766 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 3767
3768 if (drv->rtnl_sk)
3769 rtnl_neigh_delete_fdb_entry(bss, addr);
3770
0f4e8b4f
JM		 3771 if (ret == -ENOENT)
3772 return 0;
3773 return ret;
0f4e8b4f
JM		 3774}
3775
1581b38b 3776
f3407c66 3777void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM		 3778{
3779 struct nl_msg *msg;
de884303 3780 struct wpa_driver_nl80211_data *drv2;
0915d02c 3781
c6e8e8e4
JM		 3782 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
3783
2135f224 3784 /* stop listening for EAPOL on this interface */
de884303
JM		 3785 dl_list_for_each(drv2, &drv->global->interfaces,
3786 struct wpa_driver_nl80211_data, list)
3787 del_ifidx(drv2, ifidx);
2135f224 3788
95376e1a 3789 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 3790 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
3791 return;
e748062b 3792 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 3793}
3794
3795
a1922f93
JM		 3796static const char * nl80211_iftype_str(enum nl80211_iftype mode)
3797{
3798 switch (mode) {
3799 case NL80211_IFTYPE_ADHOC:
3800 return "ADHOC";
3801 case NL80211_IFTYPE_STATION:
3802 return "STATION";
3803 case NL80211_IFTYPE_AP:
3804 return "AP";
1045ec36
JM		 3805 case NL80211_IFTYPE_AP_VLAN:
3806 return "AP_VLAN";
3807 case NL80211_IFTYPE_WDS:
3808 return "WDS";
a1922f93
JM		 3809 case NL80211_IFTYPE_MONITOR:
3810 return "MONITOR";
1045ec36
JM		 3811 case NL80211_IFTYPE_MESH_POINT:
3812 return "MESH_POINT";
a1922f93
JM		 3813 case NL80211_IFTYPE_P2P_CLIENT:
3814 return "P2P_CLIENT";
3815 case NL80211_IFTYPE_P2P_GO:
3816 return "P2P_GO";
7aad838c
NS		 3817 case NL80211_IFTYPE_P2P_DEVICE:
3818 return "P2P_DEVICE";
a1922f93
JM		 3819 default:
3820 return "unknown";
3821 }
3822}
3823
3824
a35187e7
KH		 3825static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
3826 const char *ifname,
3827 enum nl80211_iftype iftype,
d6dcfcda
DS		 3828 const u8 *addr, int wds,
3829 int (*handler)(struct nl_msg *, void *),
3830 void *arg)
0915d02c 3831{
8970bae8 3832 struct nl_msg *msg;
0915d02c
JM		 3833 int ifidx;
3834 int ret = -ENOBUFS;
3835
a1922f93
JM		 3836 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
3837 iftype, nl80211_iftype_str(iftype));
3838
56f77852
JM		 3839 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
3840 if (!msg ||
a862e4a3
JM		 3841 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
3842 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
3843 goto fail;
0915d02c
JM		 3844
3845 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 3846 struct nlattr *flags;
0915d02c 3847
8970bae8 3848 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM		 3849 if (!flags ||
3850 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
3851 goto fail;
0915d02c 3852
8970bae8 3853 nla_nest_end(msg, flags);
fbbfcbac 3854 } else if (wds) {
a862e4a3
JM		 3855 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
3856 goto fail;
0915d02c
JM		 3857 }
3858
52f5877a
IP		 3859 /*
3860 * Tell cfg80211 that the interface belongs to the socket that created
3861 * it, and the interface should be deleted when the socket is closed.
3862 */
a862e4a3
JM		 3863 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
3864 goto fail;
52f5877a 3865
d6dcfcda 3866 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 3867 msg = NULL;
0915d02c 3868 if (ret) {
a862e4a3 3869 fail:
5883168a 3870 nlmsg_free(msg);
a35187e7
KH		 3871 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
3872 ifname, ret, strerror(-ret));
0915d02c
JM		 3873 return ret;
3874 }
3875
f632e483 3876 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 3877 return 0;
6bae92e0 3878
0915d02c 3879 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 3880 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
3881 ifname, ifidx);
0915d02c
JM		 3882
3883 if (ifidx <= 0)
3884 return -1;
3885
147848ec
JM		 3886 /*
3887 * Some virtual interfaces need to process EAPOL packets and events on
3888 * the parent interface. This is used mainly with hostapd.
3889 */
3890 if (drv->hostapd ||
3891 iftype == NL80211_IFTYPE_AP_VLAN ||
3892 iftype == NL80211_IFTYPE_WDS ||
3893 iftype == NL80211_IFTYPE_MONITOR) {
3894 /* start listening for EAPOL on this interface */
3895 add_ifidx(drv, ifidx);
3896 }
2135f224 3897
7bfc47c3 3898 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 3899 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 3900 nl80211_remove_iface(drv, ifidx);
3901 return -1;
2135f224 3902 }
2135f224 3903
0915d02c
JM		 3904 return ifidx;
3905}
22a7c9d7
JM		 3906
3907
f3407c66
JM		 3908int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
3909 const char *ifname, enum nl80211_iftype iftype,
3910 const u8 *addr, int wds,
3911 int (*handler)(struct nl_msg *, void *),
3912 void *arg, int use_existing)
a35187e7
KH		 3913{
3914 int ret;
3915
d6dcfcda
DS		 3916 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
3917 arg);
a35187e7 3918
ffbf1eaa 3919 /* if error occurred and interface exists already */
a35187e7 3920 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 3921 if (use_existing) {
3922 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
3923 ifname);
6997f8ba
JM		 3924 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
3925 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
3926 addr) < 0 &&
3927 (linux_set_iface_flags(drv->global->ioctl_sock,
3928 ifname, 0) < 0 ||
3929 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
3930 addr) < 0 ||
3931 linux_set_iface_flags(drv->global->ioctl_sock,
3932 ifname, 1) < 0))
3933 return -1;
2aec4f3c
JM		 3934 return -ENFILE;
3935 }
a35187e7
KH		 3936 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
3937
3938 /* Try to remove the interface that was already there. */
3939 nl80211_remove_iface(drv, if_nametoindex(ifname));
3940
3941 /* Try to create the interface again */
fbbfcbac 3942 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 3943 wds, handler, arg);
a35187e7
KH		 3944 }
3945
3e208481
JM		 3946 if (ret >= 0 && is_p2p_net_interface(iftype)) {
3947 wpa_printf(MSG_DEBUG,
3948 "nl80211: Interface %s created for P2P - disable 11b rates",
3949 ifname);
4e5cb1a3 3950 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 3951 }
4e5cb1a3 3952
a35187e7
KH		 3953 return ret;
3954}
0915d02c 3955
2135f224 3956
3fd1cefb
JB		 3957static int nl80211_setup_ap(struct i802_bss *bss)
3958{
3959 struct wpa_driver_nl80211_data *drv = bss->drv;
3960
748c0ac0
JM		 3961 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
3962 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 3963
a11241fa
JB		 3964 /*
3965 * Disable Probe Request reporting unless we need it in this way for
3966 * devices that include the AP SME, in the other case (unless using
3967 * monitor iface) we'll get it through the nl_mgmt socket instead.
3968 */
3969 if (!drv->device_ap_sme)
3970 wpa_driver_nl80211_probe_req_report(bss, 0);
3971
3972 if (!drv->device_ap_sme && !drv->use_monitor)
3973 if (nl80211_mgmt_subscribe_ap(bss))
3974 return -1;
3975
a6cc0602
JM		 3976 if (drv->device_ap_sme && !drv->use_monitor)
3977 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
3978 return -1;
3979
a11241fa 3980 if (!drv->device_ap_sme && drv->use_monitor &&
3fd1cefb
JB		 3981 nl80211_create_monitor_interface(drv) &&
3982 !drv->device_ap_sme)
3983 return -1;
3984
3985 if (drv->device_ap_sme &&
3986 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
3987 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
3988 "Probe Request frame reporting in AP mode");
3989 /* Try to survive without this */
3990 }
3991
3992 return 0;
3993}
3994
3995
3996static void nl80211_teardown_ap(struct i802_bss *bss)
3997{
3998 struct wpa_driver_nl80211_data *drv = bss->drv;
3999
748c0ac0
JM		 4000 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
4001 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 4002 if (drv->device_ap_sme) {
3fd1cefb 4003 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 4004 if (!drv->use_monitor)
4005 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
4006 } else if (drv->use_monitor)
3fd1cefb 4007 nl80211_remove_monitor_interface(drv);
a11241fa 4008 else
36488c05 4009 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 4010
3fd1cefb
JB		 4011 bss->beacon_set = 0;
4012}
4013
4014
f10bfc9a
JM		 4015static int nl80211_send_eapol_data(struct i802_bss *bss,
4016 const u8 *addr, const u8 *data,
d12dab4c 4017 size_t data_len)
f10bfc9a 4018{
d12dab4c
JB		 4019 struct sockaddr_ll ll;
4020 int ret;
4021
4022 if (bss->drv->eapol_tx_sock < 0) {
4023 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 4024 return -1;
4025 }
4026
d12dab4c
JB		 4027 os_memset(&ll, 0, sizeof(ll));
4028 ll.sll_family = AF_PACKET;
4029 ll.sll_ifindex = bss->ifindex;
4030 ll.sll_protocol = htons(ETH_P_PAE);
4031 ll.sll_halen = ETH_ALEN;
4032 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
4033 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
4034 (struct sockaddr *) &ll, sizeof(ll));
4035 if (ret < 0)
4036 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
4037 strerror(errno));
4038
4039 return ret;
f10bfc9a 4040}
5fb1a232 4041
f10bfc9a 4042
db149ac9
JM		 4043static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4044
4045static int wpa_driver_nl80211_hapd_send_eapol(
4046 void *priv, const u8 *addr, const u8 *data,
4378fc14 4047 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 4048{
a2e40bb6
FF		 4049 struct i802_bss *bss = priv;
4050 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 4051 struct ieee80211_hdr *hdr;
4052 size_t len;
4053 u8 *pos;
4054 int res;
4378fc14 4055 int qos = flags & WPA_STA_WMM;
db149ac9 4056
a11241fa 4057 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 4058 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 4059
db149ac9
JM		 4060 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4061 data_len;
4062 hdr = os_zalloc(len);
4063 if (hdr == NULL) {
7ac3616d
JM		 4064 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4065 (unsigned long) len);
db149ac9
JM		 4066 return -1;
4067 }
4068
4069 hdr->frame_control =
4070 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4071 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4072 if (encrypt)
4073 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 4074 if (qos) {
4075 hdr->frame_control |=
4076 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4077 }
db149ac9
JM		 4078
4079 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4080 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4081 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4082 pos = (u8 *) (hdr + 1);
4083
db149ac9 4084 if (qos) {
92d521d8
FF		 4085 /* Set highest priority in QoS header */
4086 pos[0] = 7;
db149ac9
JM		 4087 pos[1] = 0;
4088 pos += 2;
4089 }
db149ac9
JM		 4090
4091 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4092 pos += sizeof(rfc1042_header);
4093 WPA_PUT_BE16(pos, ETH_P_PAE);
4094 pos += 2;
4095 memcpy(pos, data, data_len);
4096
55231068
JM		 4097 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
4098 0, 0, 0, 0);
db149ac9
JM		 4099 if (res < 0) {
4100 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4101 "failed: %d (%s)",
4102 (unsigned long) len, errno, strerror(errno));
4103 }
7bf12757 4104 os_free(hdr);
db149ac9
JM		 4105
4106 return res;
4107}
4108
a8d6ffa4 4109
3234cba4
JM		 4110static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
4111 int total_flags,
4c32757d 4112 int flags_or, int flags_and)
a8d6ffa4 4113{
a2e40bb6 4114 struct i802_bss *bss = priv;
8970bae8
JB		 4115 struct nl_msg *msg;
4116 struct nlattr *flags;
7e76ee9c 4117 struct nl80211_sta_flag_update upd;
a8d6ffa4 4118
0cd9846c
JM		 4119 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4120 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4121 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4122 !!(total_flags & WPA_STA_AUTHORIZED));
4123
13f83980 4124 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 4125 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4126 goto fail;
a8d6ffa4 4127
7e76ee9c
JM		 4128 /*
4129 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4130 * can be removed eventually.
4131 */
8970bae8 4132 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM		 4133 if (!flags ||
4134 ((total_flags & WPA_STA_AUTHORIZED) &&
4135 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4136 ((total_flags & WPA_STA_WMM) &&
4137 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4138 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4139 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4140 ((total_flags & WPA_STA_MFP) &&
4141 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4142 ((total_flags & WPA_STA_TDLS_PEER) &&
4143 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4144 goto fail;
45b722f1 4145
8970bae8 4146 nla_nest_end(msg, flags);
a8d6ffa4 4147
7e76ee9c
JM		 4148 os_memset(&upd, 0, sizeof(upd));
4149 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4150 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM		 4151 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4152 goto fail;
7e76ee9c 4153
13f83980 4154 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 4155fail:
5883168a 4156 nlmsg_free(msg);
a8d6ffa4
JM		 4157 return -ENOBUFS;
4158}
4159
0915d02c 4160
1581b38b
JM		 4161static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4162 struct wpa_driver_associate_params *params)
4163{
708bc8e0 4164 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 4165
4166 if (params->p2p) {
046b26a2
JM		 4167 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4168 "group (GO)");
b1f625e0
EP		 4169 nlmode = NL80211_IFTYPE_P2P_GO;
4170 } else
4171 nlmode = NL80211_IFTYPE_AP;
4172
708bc8e0 4173 old_mode = drv->nlmode;
834ee56f 4174 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 4175 nl80211_remove_monitor_interface(drv);
4176 return -1;
4177 }
4178
4ec68377 4179 if (nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 4180 if (old_mode != nlmode)
834ee56f 4181 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 4182 nl80211_remove_monitor_interface(drv);
1581b38b 4183 return -1;
0915d02c 4184 }
1581b38b 4185
1581b38b
JM		 4186 return 0;
4187}
1581b38b
JM		 4188
4189
666e508c
JM		 4190static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4191 int reset_mode)
5cc4d64b
JM		 4192{
4193 struct nl_msg *msg;
9725b784 4194 int ret;
a862e4a3 4195
9725b784 4196 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 4197 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM		 4198 if (ret) {
4199 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4200 "(%s)", ret, strerror(-ret));
9725b784
JM		 4201 } else {
4202 wpa_printf(MSG_DEBUG,
4203 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM		 4204 }
4205
666e508c
JM		 4206 if (reset_mode &&
4207 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 4208 NL80211_IFTYPE_STATION)) {
4209 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4210 "station mode");
4211 }
4212
5cc4d64b
JM		 4213 return ret;
4214}
4215
4216
4217static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
4218 struct wpa_driver_associate_params *params)
4219{
4220 struct nl_msg *msg;
4221 int ret = -1;
4222 int count = 0;
4223
4224 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
4225
4ec68377 4226 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 4227 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4228 "IBSS mode");
4229 return -1;
4230 }
4231
4232retry:
9725b784 4233 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM		 4234 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
4235 goto fail;
5cc4d64b
JM		 4236
4237 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4238 params->ssid, params->ssid_len);
a862e4a3
JM		 4239 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4240 goto fail;
5cc4d64b
JM		 4241 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4242 drv->ssid_len = params->ssid_len;
4243
85e1fad8
JM		 4244 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
4245 nl80211_put_beacon_int(msg, params->beacon_int))
a862e4a3 4246 goto fail;
5cc4d64b
JM		 4247
4248 ret = nl80211_set_conn_keys(params, msg);
4249 if (ret)
a862e4a3 4250 goto fail;
5cc4d64b 4251
913e3cf7
NC		 4252 if (params->bssid && params->fixed_bssid) {
4253 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
4254 MAC2STR(params->bssid));
a862e4a3
JM		 4255 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4256 goto fail;
913e3cf7
NC		 4257 }
4258
4848a38d
JM		 4259 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4260 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4261 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4262 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 4263 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM		 4264 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4265 goto fail;
e640888c
AQ		 4266 }
4267
a95795ad
JM		 4268 if (params->wpa_ie) {
4269 wpa_hexdump(MSG_DEBUG,
4270 " * Extra IEs for Beacon/Probe Response frames",
4271 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 4272 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
4273 params->wpa_ie))
4274 goto fail;
a95795ad
JM		 4275 }
4276
5cc4d64b
JM		 4277 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4278 msg = NULL;
4279 if (ret) {
4280 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
4281 ret, strerror(-ret));
4282 count++;
4283 if (ret == -EALREADY && count == 1) {
4284 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
4285 "forced leave");
666e508c 4286 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM		 4287 nlmsg_free(msg);
4288 goto retry;
4289 }
a862e4a3
JM		 4290 } else {
4291 wpa_printf(MSG_DEBUG,
4292 "nl80211: Join IBSS request sent successfully");
5cc4d64b 4293 }
5cc4d64b 4294
a862e4a3 4295fail:
5cc4d64b
JM		 4296 nlmsg_free(msg);
4297 return ret;
4298}
4299
4300
a0bdd191
JM		 4301static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
4302 struct wpa_driver_associate_params *params,
4303 struct nl_msg *msg)
cfaab580 4304{
cfaab580
ZY		 4305 if (params->bssid) {
4306 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4307 MAC2STR(params->bssid));
a862e4a3
JM		 4308 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4309 return -1;
cfaab580 4310 }
a0bdd191 4311
7ac7fd43
DS		 4312 if (params->bssid_hint) {
4313 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
4314 MAC2STR(params->bssid_hint));
a862e4a3
JM		 4315 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
4316 params->bssid_hint))
4317 return -1;
7ac7fd43
DS		 4318 }
4319
4ec68377
JD		 4320 if (params->freq.freq) {
4321 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM		 4322 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
4323 params->freq.freq))
4324 return -1;
4ec68377 4325 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 4326 } else
4327 drv->assoc_freq = 0;
a0bdd191 4328
7ac7fd43
DS		 4329 if (params->freq_hint) {
4330 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM		 4331 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
4332 params->freq_hint))
4333 return -1;
7ac7fd43
DS		 4334 }
4335
1f6c0ab8
BS		 4336 if (params->bg_scan_period >= 0) {
4337 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
4338 params->bg_scan_period);
a862e4a3
JM		 4339 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
4340 params->bg_scan_period))
4341 return -1;
1f6c0ab8 4342 }
a0bdd191 4343
cfaab580
ZY		 4344 if (params->ssid) {
4345 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4346 params->ssid, params->ssid_len);
a862e4a3
JM		 4347 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4348 params->ssid))
4349 return -1;
cfaab580 4350 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 4351 return -1;
cfaab580
ZY		 4352 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4353 drv->ssid_len = params->ssid_len;
4354 }
a0bdd191 4355
cfaab580 4356 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 4357 if (params->wpa_ie &&
4358 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
4359 return -1;
cfaab580 4360
64fa840a
JM		 4361 if (params->wpa_proto) {
4362 enum nl80211_wpa_versions ver = 0;
cfaab580 4363
64fa840a
JM		 4364 if (params->wpa_proto & WPA_PROTO_WPA)
4365 ver |= NL80211_WPA_VERSION_1;
4366 if (params->wpa_proto & WPA_PROTO_RSN)
4367 ver |= NL80211_WPA_VERSION_2;
cfaab580 4368
64fa840a 4369 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM		 4370 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4371 return -1;
cfaab580
ZY		 4372 }
4373
4848a38d 4374 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 4375 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
4376 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM		 4377 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4378 cipher))
4379 return -1;
cfaab580
ZY		 4380 }
4381
ae6f9272
JM		 4382 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
4383 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
4384 /*
4385 * This is likely to work even though many drivers do not
4386 * advertise support for operations without GTK.
4387 */
4388 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4389 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 4390 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
4391 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM		 4392 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
4393 return -1;
cfaab580
ZY		 4394 }
4395
4848a38d
JM		 4396 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4397 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4398 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
4399 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 4400 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 4401 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
4402 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8
JM		 4403 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4404 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
cfaab580
ZY		 4405 int mgmt = WLAN_AKM_SUITE_PSK;
4406
4407 switch (params->key_mgmt_suite) {
4848a38d 4408 case WPA_KEY_MGMT_CCKM:
369c8d7b
JM		 4409 mgmt = WLAN_AKM_SUITE_CCKM;
4410 break;
4848a38d 4411 case WPA_KEY_MGMT_IEEE8021X:
cfaab580
ZY		 4412 mgmt = WLAN_AKM_SUITE_8021X;
4413 break;
4848a38d 4414 case WPA_KEY_MGMT_FT_IEEE8021X:
6a1ce395
DG		 4415 mgmt = WLAN_AKM_SUITE_FT_8021X;
4416 break;
4848a38d 4417 case WPA_KEY_MGMT_FT_PSK:
6a1ce395
DG		 4418 mgmt = WLAN_AKM_SUITE_FT_PSK;
4419 break;
8802326f
JJ		 4420 case WPA_KEY_MGMT_IEEE8021X_SHA256:
4421 mgmt = WLAN_AKM_SUITE_8021X_SHA256;
4422 break;
4423 case WPA_KEY_MGMT_PSK_SHA256:
4424 mgmt = WLAN_AKM_SUITE_PSK_SHA256;
4425 break;
163f801e
JM		 4426 case WPA_KEY_MGMT_OSEN:
4427 mgmt = WLAN_AKM_SUITE_OSEN;
4428 break;
666497c8
JM		 4429 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
4430 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
4431 break;
4848a38d 4432 case WPA_KEY_MGMT_PSK:
cfaab580
ZY		 4433 default:
4434 mgmt = WLAN_AKM_SUITE_PSK;
4435 break;
4436 }
163f801e 4437 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM		 4438 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
4439 return -1;
cfaab580
ZY		 4440 }
4441
a862e4a3
JM		 4442 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4443 return -1;
a0bdd191 4444
a862e4a3
JM		 4445 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
4446 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
4447 return -1;
a565084f 4448
58162adf
AK		 4449 if (params->rrm_used) {
4450 u32 drv_rrm_flags = drv->capa.rrm_flags;
4451 if (!(drv_rrm_flags &
4452 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) ||
a862e4a3
JM		 4453 !(drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET) ||
4454 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
4455 return -1;
58162adf
AK		 4456 }
4457
a862e4a3
JM		 4458 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4459 return -1;
80e8a5ee
BG		 4460
4461 if (params->htcaps && params->htcaps_mask) {
4462 int sz = sizeof(struct ieee80211_ht_capabilities);
6d99bd80 4463 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
6d99bd80
JM		 4464 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4465 params->htcaps_mask, sz);
a862e4a3
JM		 4466 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4467 params->htcaps) ||
4468 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4469 params->htcaps_mask))
4470 return -1;
80e8a5ee
BG		 4471 }
4472
e9ee8dc3
JB		 4473#ifdef CONFIG_VHT_OVERRIDES
4474 if (params->disable_vht) {
4475 wpa_printf(MSG_DEBUG, " * VHT disabled");
a862e4a3
JM		 4476 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4477 return -1;
e9ee8dc3
JB		 4478 }
4479
4480 if (params->vhtcaps && params->vhtcaps_mask) {
4481 int sz = sizeof(struct ieee80211_vht_capabilities);
6d99bd80 4482 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
6d99bd80
JM		 4483 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
4484 params->vhtcaps_mask, sz);
a862e4a3
JM		 4485 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
4486 params->vhtcaps) ||
4487 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
4488 params->vhtcaps_mask))
4489 return -1;
e9ee8dc3
JB		 4490 }
4491#endif /* CONFIG_VHT_OVERRIDES */
4492
a0bdd191
JM		 4493 if (params->p2p)
4494 wpa_printf(MSG_DEBUG, " * P2P group");
4495
4496 return 0;
a0bdd191
JM		 4497}
4498
4499
4500static int wpa_driver_nl80211_try_connect(
4501 struct wpa_driver_nl80211_data *drv,
4502 struct wpa_driver_associate_params *params)
4503{
4504 struct nl_msg *msg;
4505 enum nl80211_auth_type type;
4506 int ret;
4507 int algs;
4508
b41f2684
CL		 4509 if (params->req_key_mgmt_offload && params->psk &&
4510 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4511 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4512 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
4513 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
4514 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
4515 if (ret)
4516 return ret;
4517 }
4518
9725b784
JM		 4519 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
4520 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM		 4521 if (!msg)
4522 return -1;
4523
a0bdd191
JM		 4524 ret = nl80211_connect_common(drv, params, msg);
4525 if (ret)
a862e4a3 4526 goto fail;
a0bdd191
JM		 4527
4528 algs = 0;
4529 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4530 algs++;
4531 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4532 algs++;
4533 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4534 algs++;
4535 if (algs > 1) {
4536 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
4537 "selection");
4538 goto skip_auth_type;
4539 }
4540
4541 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4542 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
4543 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4544 type = NL80211_AUTHTYPE_SHARED_KEY;
4545 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4546 type = NL80211_AUTHTYPE_NETWORK_EAP;
4547 else if (params->auth_alg & WPA_AUTH_ALG_FT)
4548 type = NL80211_AUTHTYPE_FT;
4549 else
a862e4a3 4550 goto fail;
a0bdd191
JM		 4551
4552 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
a862e4a3
JM		 4553 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
4554 goto fail;
a0bdd191
JM		 4555
4556skip_auth_type:
cfaab580
ZY		 4557 ret = nl80211_set_conn_keys(params, msg);
4558 if (ret)
a862e4a3 4559 goto fail;
cfaab580
ZY		 4560
4561 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4562 msg = NULL;
4563 if (ret) {
4564 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
4565 "(%s)", ret, strerror(-ret));
a862e4a3
JM		 4566 } else {
4567 wpa_printf(MSG_DEBUG,
4568 "nl80211: Connect request send successfully");
cfaab580 4569 }
cfaab580 4570
a862e4a3 4571fail:
cfaab580
ZY		 4572 nlmsg_free(msg);
4573 return ret;
4574
4575}
4576
4577
a8c5b43a
CW		 4578static int wpa_driver_nl80211_connect(
4579 struct wpa_driver_nl80211_data *drv,
4580 struct wpa_driver_associate_params *params)
4581{
0d4e3d1d
JJ		 4582 int ret;
4583
4584 /* Store the connection attempted bssid for future use */
4585 if (params->bssid)
4586 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
4587 else
4588 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
4589
4590 ret = wpa_driver_nl80211_try_connect(drv, params);
a8c5b43a
CW		 4591 if (ret == -EALREADY) {
4592 /*
4593 * cfg80211 does not currently accept new connections if
4594 * we are already connected. As a workaround, force
4595 * disconnection and try again.
4596 */
4597 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
4598 "disconnecting before reassociation "
4599 "attempt");
4600 if (wpa_driver_nl80211_disconnect(
4601 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
4602 return -1;
a8c5b43a
CW		 4603 ret = wpa_driver_nl80211_try_connect(drv, params);
4604 }
4605 return ret;
4606}
4607
4608
c2a04078
JM		 4609static int wpa_driver_nl80211_associate(
4610 void *priv, struct wpa_driver_associate_params *params)
4611{
a2e40bb6
FF		 4612 struct i802_bss *bss = priv;
4613 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 4614 int ret = -1;
c2a04078
JM		 4615 struct nl_msg *msg;
4616
4bd71954
JM		 4617 nl80211_unmask_11b_rates(bss);
4618
5cc4d64b 4619 if (params->mode == IEEE80211_MODE_AP)
1581b38b 4620 return wpa_driver_nl80211_ap(drv, params);
1581b38b 4621
5cc4d64b
JM		 4622 if (params->mode == IEEE80211_MODE_IBSS)
4623 return wpa_driver_nl80211_ibss(drv, params);
4624
4a867032 4625 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 4626 enum nl80211_iftype nlmode = params->p2p ?
4627 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
4628
4629 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 4630 return -1;
cfaab580 4631 return wpa_driver_nl80211_connect(drv, params);
4a867032 4632 }
cfaab580 4633
add9b7a4 4634 nl80211_mark_disconnected(drv);
c2a04078 4635
c2a04078
JM		 4636 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
4637 drv->ifindex);
9725b784
JM		 4638 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
4639 if (!msg)
4640 return -1;
c2a04078 4641
a0bdd191
JM		 4642 ret = nl80211_connect_common(drv, params, msg);
4643 if (ret)
a862e4a3 4644 goto fail;
01652550 4645
62fa124c
JM		 4646 if (params->prev_bssid) {
4647 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
4648 MAC2STR(params->prev_bssid));
a862e4a3
JM		 4649 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
4650 params->prev_bssid))
4651 goto fail;
62fa124c
JM		 4652 }
4653
c2a04078
JM		 4654 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4655 msg = NULL;
4656 if (ret) {
3b7ea880
BG		 4657 wpa_dbg(drv->ctx, MSG_DEBUG,
4658 "nl80211: MLME command failed (assoc): ret=%d (%s)",
4659 ret, strerror(-ret));
8856462d 4660 nl80211_dump_scan(drv);
a862e4a3
JM		 4661 } else {
4662 wpa_printf(MSG_DEBUG,
4663 "nl80211: Association request send successfully");
c2a04078 4664 }
c2a04078 4665
a862e4a3 4666fail:
c2a04078
JM		 4667 nlmsg_free(msg);
4668 return ret;
4669}
3f5285e8
JM		 4670
4671
ad1e68e6 4672static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 4673 int ifindex, enum nl80211_iftype mode)
3f5285e8 4674{
3f5285e8 4675 struct nl_msg *msg;
ad1e68e6
JM		 4676 int ret = -ENOBUFS;
4677
a1922f93
JM		 4678 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
4679 ifindex, mode, nl80211_iftype_str(mode));
4680
56f77852
JM		 4681 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
4682 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 4683 goto fail;
ad1e68e6
JM		 4684
4685 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4686 msg = NULL;
ad1e68e6
JM		 4687 if (!ret)
4688 return 0;
a862e4a3 4689fail:
5883168a 4690 nlmsg_free(msg);
ad1e68e6
JM		 4691 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
4692 " %d (%s)", ifindex, mode, ret, strerror(-ret));
4693 return ret;
4694}
4695
4696
3c5d34e3
CW		 4697static int wpa_driver_nl80211_set_mode_impl(
4698 struct i802_bss *bss,
4699 enum nl80211_iftype nlmode,
4700 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 4701{
a2e40bb6 4702 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 4703 int ret = -1;
26af9dca 4704 int i;
86957e62 4705 int was_ap = is_ap_interface(drv->nlmode);
671a5039 4706 int res;
ebffdbc4 4707 int mode_switch_res;
1581b38b 4708
ebffdbc4
CW		 4709 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4710 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
4711 mode_switch_res = 0;
8e12685c 4712
ebffdbc4 4713 if (mode_switch_res == 0) {
ad1e68e6 4714 drv->nlmode = nlmode;
460456f8
JM		 4715 ret = 0;
4716 goto done;
ad1e68e6 4717 }
3f5285e8 4718
ebffdbc4 4719 if (mode_switch_res == -ENODEV)
671a5039
JM		 4720 return -1;
4721
460456f8 4722 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 4723 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
4724 "requested mode - ignore error");
460456f8
JM		 4725 ret = 0;
4726 goto done; /* Already in the requested mode */
4727 }
3f5285e8 4728
3f5285e8
JM		 4729 /* mac80211 doesn't allow mode changes while the device is up, so
4730 * take the device down, try to set the mode again, and bring the
4731 * device back up.
4732 */
26af9dca
JM		 4733 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
4734 "interface down");
4735 for (i = 0; i < 10; i++) {
91724d6f 4736 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 4737 if (res == -EACCES || res == -ENODEV)
4738 break;
ebffdbc4 4739 if (res != 0) {
26af9dca
JM		 4740 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
4741 "interface down");
ebffdbc4
CW		 4742 os_sleep(0, 100000);
4743 continue;
4744 }
3c5d34e3
CW		 4745
4746 /*
4747 * Setting the mode will fail for some drivers if the phy is
4748 * on a frequency that the mode is disallowed in.
4749 */
4750 if (desired_freq_params) {
bdf5ccb2 4751 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW		 4752 if (res) {
4753 wpa_printf(MSG_DEBUG,
4754 "nl80211: Failed to set frequency on interface");
4755 }
4756 }
4757
ebffdbc4
CW		 4758 /* Try to set the mode again while the interface is down */
4759 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4760 if (mode_switch_res == -EBUSY) {
4761 wpa_printf(MSG_DEBUG,
4762 "nl80211: Delaying mode set while interface going down");
4763 os_sleep(0, 100000);
4764 continue;
4765 }
4766 ret = mode_switch_res;
4767 break;
3f5285e8
JM		 4768 }
4769
c6e8e8e4
JM		 4770 if (!ret) {
4771 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
4772 "interface is down");
ad1e68e6 4773 drv->nlmode = nlmode;
7d9c3698 4774 drv->ignore_if_down_event = 1;
c6e8e8e4 4775 }
ad1e68e6 4776
ebffdbc4
CW		 4777 /* Bring the interface back up */
4778 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
4779 if (res != 0) {
4780 wpa_printf(MSG_DEBUG,
4781 "nl80211: Failed to set interface up after switching mode");
4782 ret = -1;
4783 }
4784
460456f8 4785done:
3fd1cefb
JB		 4786 if (ret) {
4787 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
4788 "from %d failed", nlmode, drv->nlmode);
4789 return ret;
4790 }
4791
3e208481
JM		 4792 if (is_p2p_net_interface(nlmode)) {
4793 wpa_printf(MSG_DEBUG,
4794 "nl80211: Interface %s mode change to P2P - disable 11b rates",
4795 bss->ifname);
edb9bfba 4796 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM		 4797 } else if (drv->disabled_11b_rates) {
4798 wpa_printf(MSG_DEBUG,
4799 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
4800 bss->ifname);
1d0c6fb1 4801 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 4802 }
edb9bfba 4803
3fd1cefb 4804 if (is_ap_interface(nlmode)) {
36488c05 4805 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 4806 /* Setup additional AP mode functionality if needed */
3fd1cefb 4807 if (nl80211_setup_ap(bss))
460456f8 4808 return -1;
3fd1cefb 4809 } else if (was_ap) {
460456f8 4810 /* Remove additional AP mode functionality */
3fd1cefb 4811 nl80211_teardown_ap(bss);
a11241fa 4812 } else {
36488c05 4813 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 4814 }
460456f8 4815
afb0550a
BC		 4816 if (is_mesh_interface(nlmode) &&
4817 nl80211_mgmt_subscribe_mesh(bss))
4818 return -1;
4819
873d0fcf 4820 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 4821 !is_mesh_interface(nlmode) &&
a11241fa
JB		 4822 nl80211_mgmt_subscribe_non_ap(bss) < 0)
4823 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
4824 "frame processing - ignore for now");
08359050 4825
3fd1cefb 4826 return 0;
3f5285e8
JM		 4827}
4828
4829
f3407c66
JM		 4830int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
4831 enum nl80211_iftype nlmode)
3c5d34e3
CW		 4832{
4833 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
4834}
4835
4836
4ec68377
JD		 4837static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
4838 struct hostapd_freq_params *freq)
3c5d34e3 4839{
3c5d34e3 4840 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 4841 freq);
3c5d34e3 4842}
65d645ce
AS		 4843
4844
3f5285e8
JM		 4845static int wpa_driver_nl80211_get_capa(void *priv,
4846 struct wpa_driver_capa *capa)
4847{
a2e40bb6
FF		 4848 struct i802_bss *bss = priv;
4849 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 4850
3f5285e8
JM		 4851 if (!drv->has_capability)
4852 return -1;
4853 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 4854 if (drv->extended_capa && drv->extended_capa_mask) {
4855 capa->extended_capa = drv->extended_capa;
4856 capa->extended_capa_mask = drv->extended_capa_mask;
4857 capa->extended_capa_len = drv->extended_capa_len;
4858 }
851b0c55 4859
906bc4c7 4860 return 0;
3f5285e8
JM		 4861}
4862
4863
4864static int wpa_driver_nl80211_set_operstate(void *priv, int state)
4865{
a2e40bb6
FF		 4866 struct i802_bss *bss = priv;
4867 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 4868
90a545cc
JM		 4869 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
4870 bss->ifname, drv->operstate, state,
4871 state ? "UP" : "DORMANT");
3f5285e8 4872 drv->operstate = state;
36d84860 4873 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 4874 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 4875}
4876
01652550
JM		 4877
4878static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
4879{
a2e40bb6
FF		 4880 struct i802_bss *bss = priv;
4881 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 4882 struct nl_msg *msg;
4883 struct nl80211_sta_flag_update upd;
a862e4a3 4884 int ret;
2eef5177
JM		 4885
4886 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
4887 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
4888 return 0;
4889 }
01652550 4890
1ba51ec0
JM		 4891 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
4892 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
4893
01652550
JM		 4894 os_memset(&upd, 0, sizeof(upd));
4895 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
4896 if (authorized)
4897 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 4898
13f83980 4899 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 4900 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
4901 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
4902 nlmsg_free(msg);
4903 return -ENOBUFS;
4904 }
01652550 4905
2eef5177 4906 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM		 4907 if (!ret)
4908 return 0;
2eef5177
JM		 4909 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
4910 ret, strerror(-ret));
4911 return ret;
01652550
JM		 4912}
4913
3f5285e8 4914
f07ead6a
JM		 4915/* Set kernel driver on given frequency (MHz) */
4916static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 4917{
f07ead6a 4918 struct i802_bss *bss = priv;
13a524a3 4919 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 4920}
4921
f7b3920c 4922
c5121837
JM		 4923static inline int min_int(int a, int b)
4924{
4925 if (a < b)
4926 return a;
4927 return b;
4928}
4929
4930
4931static int get_key_handler(struct nl_msg *msg, void *arg)
4932{
4933 struct nlattr *tb[NL80211_ATTR_MAX + 1];
4934 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
4935
4936 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
4937 genlmsg_attrlen(gnlh, 0), NULL);
4938
4939 /*
4940 * TODO: validate the key index and mac address!
4941 * Otherwise, there's a race condition as soon as
4942 * the kernel starts sending key notifications.
4943 */
4944
4945 if (tb[NL80211_ATTR_KEY_SEQ])
4946 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
4947 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
4948 return NL_SKIP;
4949}
4950
4951
4952static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
4953 int idx, u8 *seq)
4954{
a2e40bb6
FF		 4955 struct i802_bss *bss = priv;
4956 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 4957 struct nl_msg *msg;
4958
95376e1a
JM		 4959 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
4960 NL80211_CMD_GET_KEY);
4961 if (!msg ||
a862e4a3 4962 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 4963 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM		 4964 nlmsg_free(msg);
4965 return -ENOBUFS;
4966 }
c5121837
JM		 4967
4968 memset(seq, 0, 6);
4969
4970 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM		 4971}
4972
4973
c5121837
JM		 4974static int i802_set_rts(void *priv, int rts)
4975{
a2e40bb6
FF		 4976 struct i802_bss *bss = priv;
4977 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 4978 struct nl_msg *msg;
a862e4a3 4979 int ret;
ad649451 4980 u32 val;
c5121837 4981
ad649451
JM		 4982 if (rts >= 2347)
4983 val = (u32) -1;
4984 else
4985 val = rts;
c5121837 4986
9725b784 4987 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 4988 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
4989 nlmsg_free(msg);
4990 return -ENOBUFS;
4991 }
ad649451
JM		 4992
4993 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4994 if (!ret)
4995 return 0;
ad649451
JM		 4996 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
4997 "%d (%s)", rts, ret, strerror(-ret));
4998 return ret;
c5121837
JM		 4999}
5000
5001
5002static int i802_set_frag(void *priv, int frag)
5003{
a2e40bb6
FF		 5004 struct i802_bss *bss = priv;
5005 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 5006 struct nl_msg *msg;
a862e4a3 5007 int ret;
ad649451 5008 u32 val;
c5121837 5009
ad649451
JM		 5010 if (frag >= 2346)
5011 val = (u32) -1;
5012 else
5013 val = frag;
c5121837 5014
9725b784 5015 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 5016 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
5017 nlmsg_free(msg);
5018 return -ENOBUFS;
5019 }
ad649451
JM		 5020
5021 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5022 if (!ret)
5023 return 0;
ad649451
JM		 5024 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
5025 "%d: %d (%s)", frag, ret, strerror(-ret));
5026 return ret;
c5121837
JM		 5027}
5028
5029
c5121837
JM		 5030static int i802_flush(void *priv)
5031{
a2e40bb6 5032 struct i802_bss *bss = priv;
c5121837 5033 struct nl_msg *msg;
82554b10 5034 int res;
c5121837 5035
83e7bb0e
JM		 5036 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5037 bss->ifname);
c5121837
JM		 5038
5039 /*
5040 * XXX: FIX! this needs to flush all VLANs too
5041 */
13f83980
JM		 5042 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5043 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM		 5044 if (res) {
5045 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5046 "(%s)", res, strerror(-res));
5047 }
5048 return res;
c5121837
JM		 5049}
5050
5051
5052static int get_sta_handler(struct nl_msg *msg, void *arg)
5053{
5054 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5055 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5056 struct hostap_sta_driver_data *data = arg;
5057 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5058 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5059 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5060 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5061 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5062 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5063 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 5064 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
c5121837
JM		 5065 };
5066
5067 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5068 genlmsg_attrlen(gnlh, 0), NULL);
5069
5070 /*
5071 * TODO: validate the interface and mac address!
5072 * Otherwise, there's a race condition as soon as
5073 * the kernel starts sending station notifications.
5074 */
5075
5076 if (!tb[NL80211_ATTR_STA_INFO]) {
5077 wpa_printf(MSG_DEBUG, "sta stats missing!");
5078 return NL_SKIP;
5079 }
5080 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5081 tb[NL80211_ATTR_STA_INFO],
5082 stats_policy)) {
5083 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5084 return NL_SKIP;
5085 }
5086
5087 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5088 data->inactive_msec =
5089 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
5090 if (stats[NL80211_STA_INFO_RX_BYTES])
5091 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5092 if (stats[NL80211_STA_INFO_TX_BYTES])
5093 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
5094 if (stats[NL80211_STA_INFO_RX_PACKETS])
5095 data->rx_packets =
5096 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5097 if (stats[NL80211_STA_INFO_TX_PACKETS])
5098 data->tx_packets =
5099 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 5100 if (stats[NL80211_STA_INFO_TX_FAILED])
5101 data->tx_retry_failed =
5102 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 5103
5104 return NL_SKIP;
5105}
5106
9ebce9c5
JM		 5107static int i802_read_sta_data(struct i802_bss *bss,
5108 struct hostap_sta_driver_data *data,
c5121837
JM		 5109 const u8 *addr)
5110{
c5121837
JM		 5111 struct nl_msg *msg;
5112
5113 os_memset(data, 0, sizeof(*data));
c5121837 5114
13f83980
JM		 5115 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
5116 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM		 5117 nlmsg_free(msg);
5118 return -ENOBUFS;
5119 }
c5121837 5120
13f83980 5121 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM		 5122}
5123
5124
c5121837
JM		 5125static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
5126 int cw_min, int cw_max, int burst_time)
5127{
a2e40bb6
FF		 5128 struct i802_bss *bss = priv;
5129 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5130 struct nl_msg *msg;
5131 struct nlattr *txq, *params;
5132
13f83980 5133 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM		 5134 if (!msg)
5135 return -1;
5136
c5121837
JM		 5137 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
5138 if (!txq)
a862e4a3 5139 goto fail;
c5121837
JM		 5140
5141 /* We are only sending parameters for a single TXQ at a time */
5142 params = nla_nest_start(msg, 1);
5143 if (!params)
a862e4a3 5144 goto fail;
c5121837 5145
7e3c1781
JM		 5146 switch (queue) {
5147 case 0:
a862e4a3
JM		 5148 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
5149 goto fail;
7e3c1781
JM		 5150 break;
5151 case 1:
a862e4a3
JM		 5152 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
5153 goto fail;
7e3c1781
JM		 5154 break;
5155 case 2:
a862e4a3
JM		 5156 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
5157 goto fail;
7e3c1781
JM		 5158 break;
5159 case 3:
a862e4a3
JM		 5160 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
5161 goto fail;
7e3c1781
JM		 5162 break;
5163 }
c5121837
JM		 5164 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5165 * 32 usec, so need to convert the value here. */
a862e4a3
JM		 5166 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
5167 (burst_time * 100 + 16) / 32) ||
5168 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
5169 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
5170 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
5171 goto fail;
c5121837
JM		 5172
5173 nla_nest_end(msg, params);
5174
5175 nla_nest_end(msg, txq);
5176
5177 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5178 return 0;
9e088e74 5179 msg = NULL;
a862e4a3 5180fail:
9e088e74 5181 nlmsg_free(msg);
c5121837
JM		 5182 return -1;
5183}
5184
5185
9ebce9c5 5186static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 5187 const char *ifname, int vlan_id)
5188{
a2e40bb6 5189 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 5190 struct nl_msg *msg;
a862e4a3 5191 int ret;
c5121837 5192
bbc706a3
JM		 5193 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5194 ", ifname=%s[%d], vlan_id=%d)",
5195 bss->ifname, if_nametoindex(bss->ifname),
5196 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 5197 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5198 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5199 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
5200 nlmsg_free(msg);
5201 return -ENOBUFS;
5202 }
c5121837 5203
cd1d72c1
JM		 5204 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5205 if (ret < 0) {
5206 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5207 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
5208 MAC2STR(addr), ifname, vlan_id, ret,
5209 strerror(-ret));
5210 }
cd1d72c1 5211 return ret;
c5121837
JM		 5212}
5213
fbbfcbac 5214
c5121837
JM		 5215static int i802_get_inact_sec(void *priv, const u8 *addr)
5216{
5217 struct hostap_sta_driver_data data;
5218 int ret;
5219
5220 data.inactive_msec = (unsigned long) -1;
5221 ret = i802_read_sta_data(priv, &data, addr);
5222 if (ret || data.inactive_msec == (unsigned long) -1)
5223 return -1;
5224 return data.inactive_msec / 1000;
5225}
5226
5227
5228static int i802_sta_clear_stats(void *priv, const u8 *addr)
5229{
5230#if 0
5231 /* TODO */
5232#endif
5233 return 0;
5234}
5235
5236
731723a5
JM		 5237static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
5238 int reason)
c5121837 5239{
a2e40bb6 5240 struct i802_bss *bss = priv;
e1bd4e19 5241 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5242 struct ieee80211_mgmt mgmt;
5243
0d391b03
BC		 5244 if (is_mesh_interface(drv->nlmode))
5245 return -1;
5246
e1bd4e19 5247 if (drv->device_ap_sme)
59d7148a 5248 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 5249
c5121837
JM		 5250 memset(&mgmt, 0, sizeof(mgmt));
5251 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5252 WLAN_FC_STYPE_DEAUTH);
5253 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 5254 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5255 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 5256 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 5257 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 5258 IEEE80211_HDRLEN +
9ebce9c5
JM		 5259 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
5260 0);
c5121837
JM		 5261}
5262
5263
731723a5
JM		 5264static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
5265 int reason)
c5121837 5266{
a2e40bb6 5267 struct i802_bss *bss = priv;
e1bd4e19 5268 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5269 struct ieee80211_mgmt mgmt;
5270
0d391b03
BC		 5271 if (is_mesh_interface(drv->nlmode))
5272 return -1;
5273
e1bd4e19 5274 if (drv->device_ap_sme)
59d7148a 5275 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 5276
c5121837
JM		 5277 memset(&mgmt, 0, sizeof(mgmt));
5278 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5279 WLAN_FC_STYPE_DISASSOC);
5280 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 5281 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5282 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 5283 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 5284 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 5285 IEEE80211_HDRLEN +
9ebce9c5
JM		 5286 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
5287 0);
c5121837
JM		 5288}
5289
5290
9b4d9c8b
JM		 5291static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
5292{
5293 char buf[200], *pos, *end;
5294 int i, res;
5295
5296 pos = buf;
5297 end = pos + sizeof(buf);
5298
5299 for (i = 0; i < drv->num_if_indices; i++) {
5300 if (!drv->if_indices[i])
5301 continue;
5302 res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]);
d85e1fc8 5303 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM		 5304 break;
5305 pos += res;
5306 }
5307 *pos = '\0';
5308
5309 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
5310 drv->num_if_indices, buf);
5311}
5312
5313
f07ead6a
JM		 5314static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5315{
5316 int i;
5317 int *old;
5318
5319 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
5320 ifidx);
b36935be
MB		 5321 if (have_ifidx(drv, ifidx)) {
5322 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
5323 ifidx);
5324 return;
5325 }
f07ead6a
JM		 5326 for (i = 0; i < drv->num_if_indices; i++) {
5327 if (drv->if_indices[i] == 0) {
5328 drv->if_indices[i] = ifidx;
9b4d9c8b 5329 dump_ifidx(drv);
f07ead6a
JM		 5330 return;
5331 }
5332 }
5333
5334 if (drv->if_indices != drv->default_if_indices)
5335 old = drv->if_indices;
5336 else
5337 old = NULL;
5338
067ffa26
JM		 5339 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
5340 sizeof(int));
f07ead6a
JM		 5341 if (!drv->if_indices) {
5342 if (!old)
5343 drv->if_indices = drv->default_if_indices;
5344 else
5345 drv->if_indices = old;
5346 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
5347 "interfaces");
5348 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
5349 return;
5350 } else if (!old)
5351 os_memcpy(drv->if_indices, drv->default_if_indices,
5352 sizeof(drv->default_if_indices));
5353 drv->if_indices[drv->num_if_indices] = ifidx;
5354 drv->num_if_indices++;
9b4d9c8b 5355 dump_ifidx(drv);
f07ead6a
JM		 5356}
5357
5358
5359static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5360{
5361 int i;
5362
5363 for (i = 0; i < drv->num_if_indices; i++) {
5364 if (drv->if_indices[i] == ifidx) {
5365 drv->if_indices[i] = 0;
5366 break;
5367 }
5368 }
9b4d9c8b 5369 dump_ifidx(drv);
f07ead6a
JM		 5370}
5371
5372
5373static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5374{
5375 int i;
5376
5377 for (i = 0; i < drv->num_if_indices; i++)
5378 if (drv->if_indices[i] == ifidx)
5379 return 1;
5380
5381 return 0;
5382}
5383
5384
5385static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 5386 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 5387{
5388 struct i802_bss *bss = priv;
5389 struct wpa_driver_nl80211_data *drv = bss->drv;
5390 char name[IFNAMSIZ + 1];
5391
5392 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 5393 if (ifname_wds)
5394 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
5395
f07ead6a
JM		 5396 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
5397 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
5398 if (val) {
5399 if (!if_nametoindex(name)) {
5400 if (nl80211_create_iface(drv, name,
5401 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 5402 bss->addr, 1, NULL, NULL, 0) <
5403 0)
f07ead6a
JM		 5404 return -1;
5405 if (bridge_ifname &&
c81eff1a
BG		 5406 linux_br_add_if(drv->global->ioctl_sock,
5407 bridge_ifname, name) < 0)
f07ead6a
JM		 5408 return -1;
5409 }
75227f3a
JM		 5410 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
5411 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
5412 "interface %s up", name);
5413 }
f07ead6a
JM		 5414 return i802_set_sta_vlan(priv, addr, name, 0);
5415 } else {
c34e618d
FF		 5416 if (bridge_ifname)
5417 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
5418 name);
5419
f07ead6a 5420 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25
FF		 5421 nl80211_remove_iface(drv, if_nametoindex(name));
5422 return 0;
f07ead6a
JM		 5423 }
5424}
5425
5426
5427static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
5428{
5429 struct wpa_driver_nl80211_data *drv = eloop_ctx;
5430 struct sockaddr_ll lladdr;
5431 unsigned char buf[3000];
5432 int len;
5433 socklen_t fromlen = sizeof(lladdr);
5434
5435 len = recvfrom(sock, buf, sizeof(buf), 0,
5436 (struct sockaddr *)&lladdr, &fromlen);
5437 if (len < 0) {
7ac3616d
JM		 5438 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
5439 strerror(errno));
f07ead6a
JM		 5440 return;
5441 }
5442
5443 if (have_ifidx(drv, lladdr.sll_ifindex))
5444 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
5445}
5446
5447
94627f6c 5448static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 5449 struct i802_bss *bss,
94627f6c
JM		 5450 const char *brname, const char *ifname)
5451{
6c6678e7 5452 int br_ifindex;
94627f6c
JM		 5453 char in_br[IFNAMSIZ];
5454
e17a2477 5455 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 5456 br_ifindex = if_nametoindex(brname);
6c6678e7 5457 if (br_ifindex == 0) {
94627f6c
JM		 5458 /*
5459 * Bridge was configured, but the bridge device does
5460 * not exist. Try to add it now.
5461 */
c81eff1a 5462 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 5463 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
5464 "bridge interface %s: %s",
5465 brname, strerror(errno));
5466 return -1;
5467 }
e17a2477 5468 bss->added_bridge = 1;
8997613c
JM		 5469 br_ifindex = if_nametoindex(brname);
5470 add_ifidx(drv, br_ifindex);
94627f6c 5471 }
8997613c 5472 bss->br_ifindex = br_ifindex;
94627f6c
JM		 5473
5474 if (linux_br_get(in_br, ifname) == 0) {
5475 if (os_strcmp(in_br, brname) == 0)
5476 return 0; /* already in the bridge */
5477
5478 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
5479 "bridge %s", ifname, in_br);
c81eff1a
BG		 5480 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
5481 0) {
94627f6c
JM		 5482 wpa_printf(MSG_ERROR, "nl80211: Failed to "
5483 "remove interface %s from bridge "
5484 "%s: %s",
5485 ifname, brname, strerror(errno));
5486 return -1;
5487 }
5488 }
5489
5490 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
5491 ifname, brname);
c81eff1a 5492 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 5493 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
5494 "into bridge %s: %s",
5495 ifname, brname, strerror(errno));
5496 return -1;
5497 }
e17a2477 5498 bss->added_if_into_bridge = 1;
94627f6c
JM		 5499
5500 return 0;
5501}
5502
5503
92f475b4
JM		 5504static void *i802_init(struct hostapd_data *hapd,
5505 struct wpa_init_params *params)
c5121837
JM		 5506{
5507 struct wpa_driver_nl80211_data *drv;
a2e40bb6 5508 struct i802_bss *bss;
c5121837 5509 size_t i;
94627f6c
JM		 5510 char brname[IFNAMSIZ];
5511 int ifindex, br_ifindex;
5512 int br_added = 0;
c5121837 5513
0d547d5f
JM		 5514 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
5515 params->global_priv, 1,
0ecff8d7 5516 params->bssid, params->driver_params);
a2e40bb6 5517 if (bss == NULL)
c5121837 5518 return NULL;
c5121837 5519
a2e40bb6 5520 drv = bss->drv;
7635bfb0 5521
94627f6c
JM		 5522 if (linux_br_get(brname, params->ifname) == 0) {
5523 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
5524 params->ifname, brname);
5525 br_ifindex = if_nametoindex(brname);
392dfd37 5526 os_strlcpy(bss->brname, brname, IFNAMSIZ);
94627f6c
JM		 5527 } else {
5528 brname[0] = '\0';
5529 br_ifindex = 0;
5530 }
6c6678e7 5531 bss->br_ifindex = br_ifindex;
94627f6c 5532
92f475b4 5533 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 5534 if (params->bridge[i]) {
5535 ifindex = if_nametoindex(params->bridge[i]);
5536 if (ifindex)
5537 add_ifidx(drv, ifindex);
5538 if (ifindex == br_ifindex)
5539 br_added = 1;
5540 }
c5121837 5541 }
c5121837 5542
ad1e68e6
JM		 5543 /* start listening for EAPOL on the default AP interface */
5544 add_ifidx(drv, drv->ifindex);
5545
5ef8e39f
JM		 5546 if (params->num_bridge && params->bridge[0]) {
5547 if (i802_check_bridge(drv, bss, params->bridge[0],
5548 params->ifname) < 0)
5549 goto failed;
5550 if (os_strcmp(params->bridge[0], brname) != 0)
5551 br_added = 1;
5552 }
5553
5554 if (!br_added && br_ifindex &&
5555 (params->num_bridge == 0 || !params->bridge[0]))
5556 add_ifidx(drv, br_ifindex);
94627f6c 5557
97ed9a06
KP		 5558#ifdef CONFIG_LIBNL3_ROUTE
5559 if (bss->added_if_into_bridge) {
5560 drv->rtnl_sk = nl_socket_alloc();
5561 if (drv->rtnl_sk == NULL) {
5562 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
5563 goto failed;
5564 }
5565
5566 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
5567 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
5568 strerror(errno));
5569 goto failed;
5570 }
5571 }
5572#endif /* CONFIG_LIBNL3_ROUTE */
5573
ad1e68e6
JM		 5574 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
5575 if (drv->eapol_sock < 0) {
7ac3616d
JM		 5576 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
5577 strerror(errno));
bbaf0837 5578 goto failed;
ad1e68e6
JM		 5579 }
5580
5581 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
5582 {
7ac3616d 5583 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 5584 goto failed;
ad1e68e6
JM		 5585 }
5586
c81eff1a
BG		 5587 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
5588 params->own_addr))
bbaf0837 5589 goto failed;
fee354c7 5590 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 5591
341eebee
JB		 5592 memcpy(bss->addr, params->own_addr, ETH_ALEN);
5593
a2e40bb6 5594 return bss;
c5121837
JM		 5595
5596failed:
7635bfb0 5597 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 5598 return NULL;
5599}
c5121837 5600
c5121837 5601
bbaf0837
JM		 5602static void i802_deinit(void *priv)
5603{
9ebce9c5
JM		 5604 struct i802_bss *bss = priv;
5605 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 5606}
5607
c5121837 5608
22a7c9d7
JM		 5609static enum nl80211_iftype wpa_driver_nl80211_if_type(
5610 enum wpa_driver_if_type type)
5611{
5612 switch (type) {
5613 case WPA_IF_STATION:
9f51b113 5614 return NL80211_IFTYPE_STATION;
75bde05d
JM		 5615 case WPA_IF_P2P_CLIENT:
5616 case WPA_IF_P2P_GROUP:
9f51b113 5617 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 5618 case WPA_IF_AP_VLAN:
5619 return NL80211_IFTYPE_AP_VLAN;
5620 case WPA_IF_AP_BSS:
5621 return NL80211_IFTYPE_AP;
9f51b113
JB		 5622 case WPA_IF_P2P_GO:
5623 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 5624 case WPA_IF_P2P_DEVICE:
5625 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH		 5626 case WPA_IF_MESH:
5627 return NL80211_IFTYPE_MESH_POINT;
22a7c9d7
JM		 5628 }
5629 return -1;
5630}
5631
5632
5b78493f 5633#if defined(CONFIG_P2P) || defined(CONFIG_MESH)
482856c8 5634
f2ed8023
JM		 5635static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
5636{
5637 struct wpa_driver_nl80211_data *drv;
5638 dl_list_for_each(drv, &global->interfaces,
5639 struct wpa_driver_nl80211_data, list) {
834ee56f 5640 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 5641 return 1;
5642 }
5643 return 0;
5644}
5645
5646
5b78493f 5647static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM		 5648{
5649 unsigned int idx;
5650
5651 if (!drv->global)
5652 return -1;
5653
834ee56f 5654 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 5655 for (idx = 0; idx < 64; idx++) {
834ee56f 5656 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 5657 new_addr[0] ^= idx << 2;
5658 if (!nl80211_addr_in_use(drv->global, new_addr))
5659 break;
5660 }
5661 if (idx == 64)
5662 return -1;
5663
5b78493f 5664 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM		 5665 MACSTR, MAC2STR(new_addr));
5666
5667 return 0;
5668}
5669
5b78493f 5670#endif /* CONFIG_P2P || CONFIG_MESH */
482856c8 5671
f2ed8023 5672
f632e483
AS		 5673struct wdev_info {
5674 u64 wdev_id;
5675 int wdev_id_set;
5676 u8 macaddr[ETH_ALEN];
5677};
5678
5679static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 5680{
5681 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5682 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 5683 struct wdev_info *wi = arg;
e472e1b4
AS		 5684
5685 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5686 genlmsg_attrlen(gnlh, 0), NULL);
5687 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 5688 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
5689 wi->wdev_id_set = 1;
e472e1b4
AS		 5690 }
5691
5692 if (tb[NL80211_ATTR_MAC])
f632e483 5693 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 5694 ETH_ALEN);
5695
5696 return NL_SKIP;
5697}
5698
5699
7ab68865 5700static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 5701 const char *ifname, const u8 *addr,
f3585c8a 5702 void *bss_ctx, void **drv_priv,
e17a2477 5703 char *force_ifname, u8 *if_addr,
2aec4f3c 5704 const char *bridge, int use_existing)
22a7c9d7 5705{
e472e1b4 5706 enum nl80211_iftype nlmode;
a2e40bb6
FF		 5707 struct i802_bss *bss = priv;
5708 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 5709 int ifidx;
2aec4f3c 5710 int added = 1;
22a7c9d7 5711
f3585c8a
JM		 5712 if (addr)
5713 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 5714 nlmode = wpa_driver_nl80211_if_type(type);
5715 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 5716 struct wdev_info p2pdev_info;
5717
5718 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 5719 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 5720 0, nl80211_wdev_handler,
2aec4f3c 5721 &p2pdev_info, use_existing);
f632e483 5722 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 5723 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
5724 ifname);
e472e1b4
AS		 5725 return -1;
5726 }
f632e483
AS		 5727
5728 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
5729 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
5730 if (!is_zero_ether_addr(p2pdev_info.macaddr))
5731 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
5732 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
5733 ifname,
5734 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 5735 } else {
5736 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 5737 0, NULL, NULL, use_existing);
5738 if (use_existing && ifidx == -ENFILE) {
5739 added = 0;
5740 ifidx = if_nametoindex(ifname);
5741 } else if (ifidx < 0) {
e472e1b4
AS		 5742 return -1;
5743 }
22a7c9d7
JM		 5744 }
5745
ab7a1add
AS		 5746 if (!addr) {
5747 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
5748 os_memcpy(if_addr, bss->addr, ETH_ALEN);
5749 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
5750 bss->ifname, if_addr) < 0) {
2aec4f3c
JM		 5751 if (added)
5752 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 5753 return -1;
5754 }
c55f774d
JM		 5755 }
5756
5b78493f 5757#if defined(CONFIG_P2P) || defined(CONFIG_MESH)
c55f774d
JM		 5758 if (!addr &&
5759 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
5b78493f 5760 type == WPA_IF_P2P_GO || type == WPA_IF_MESH)) {
c55f774d 5761 /* Enforce unique P2P Interface Address */
ab7a1add 5762 u8 new_addr[ETH_ALEN];
c55f774d 5763
ab7a1add 5764 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 5765 new_addr) < 0) {
ea39367c
MK		 5766 if (added)
5767 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 5768 return -1;
5769 }
f608081c 5770 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 5771 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
5b78493f
MH		 5772 "for %s interface", type == WPA_IF_MESH ?
5773 "mesh" : "P2P group");
5774 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK		 5775 if (added)
5776 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 5777 return -1;
5778 }
c81eff1a 5779 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 5780 new_addr) < 0) {
ea39367c
MK		 5781 if (added)
5782 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 5783 return -1;
5784 }
c55f774d 5785 }
f67eeb5c 5786 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 5787 }
5b78493f 5788#endif /* CONFIG_P2P || CONFIG_MESH */
f3585c8a 5789
22a7c9d7 5790 if (type == WPA_IF_AP_BSS) {
f5eb9da3
JM		 5791 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
5792 if (new_bss == NULL) {
2aec4f3c
JM		 5793 if (added)
5794 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 5795 return -1;
5796 }
5797
5798 if (bridge &&
5799 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
5800 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
5801 "interface %s to a bridge %s",
5802 ifname, bridge);
2aec4f3c
JM		 5803 if (added)
5804 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 5805 os_free(new_bss);
5806 return -1;
5807 }
5808
c81eff1a
BG		 5809 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
5810 {
ea39367c
MK		 5811 if (added)
5812 nl80211_remove_iface(drv, ifidx);
07179987 5813 os_free(new_bss);
22a7c9d7
JM		 5814 return -1;
5815 }
a2e40bb6 5816 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 5817 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 5818 new_bss->ifindex = ifidx;
5819 new_bss->drv = drv;
834ee56f
KP		 5820 new_bss->next = drv->first_bss->next;
5821 new_bss->freq = drv->first_bss->freq;
a5e1eb20 5822 new_bss->ctx = bss_ctx;
2aec4f3c 5823 new_bss->added_if = added;
834ee56f 5824 drv->first_bss->next = new_bss;
a2e40bb6
FF		 5825 if (drv_priv)
5826 *drv_priv = new_bss;
cc7a48d1 5827 nl80211_init_bss(new_bss);
3dd1d890
YAP		 5828
5829 /* Subscribe management frames for this WPA_IF_AP_BSS */
5830 if (nl80211_setup_ap(new_bss))
5831 return -1;
22a7c9d7 5832 }
22a7c9d7 5833
ff6a158b
JM		 5834 if (drv->global)
5835 drv->global->if_add_ifindex = ifidx;
5836
d1bb7aed
JJ		 5837 /*
5838 * Some virtual interfaces need to process EAPOL packets and events on
5839 * the parent interface. This is used mainly with hostapd.
5840 */
5841 if (ifidx > 0 &&
5842 (drv->hostapd ||
5843 nlmode == NL80211_IFTYPE_AP_VLAN ||
5844 nlmode == NL80211_IFTYPE_WDS ||
5845 nlmode == NL80211_IFTYPE_MONITOR))
b36935be
MB		 5846 add_ifidx(drv, ifidx);
5847
22a7c9d7
JM		 5848 return 0;
5849}
5850
5851
9ebce9c5 5852static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 5853 enum wpa_driver_if_type type,
5854 const char *ifname)
5855{
a2e40bb6 5856 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 5857 int ifindex = if_nametoindex(ifname);
5858
2aec4f3c
JM		 5859 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
5860 __func__, type, ifname, ifindex, bss->added_if);
158b090c 5861 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 5862 nl80211_remove_iface(drv, ifindex);
de884303
JM		 5863 else if (ifindex > 0 && !bss->added_if) {
5864 struct wpa_driver_nl80211_data *drv2;
5865 dl_list_for_each(drv2, &drv->global->interfaces,
5866 struct wpa_driver_nl80211_data, list)
5867 del_ifidx(drv2, ifindex);
5868 }
c34e618d 5869
c34e618d
FF		 5870 if (type != WPA_IF_AP_BSS)
5871 return 0;
5872
e17a2477 5873 if (bss->added_if_into_bridge) {
c81eff1a
BG		 5874 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
5875 bss->ifname) < 0)
e17a2477
JM		 5876 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
5877 "interface %s from bridge %s: %s",
5878 bss->ifname, bss->brname, strerror(errno));
5879 }
5880 if (bss->added_bridge) {
c81eff1a 5881 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 5882 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
5883 "bridge %s: %s",
5884 bss->brname, strerror(errno));
5885 }
a2e40bb6 5886
834ee56f 5887 if (bss != drv->first_bss) {
8546ea19 5888 struct i802_bss *tbss;
a2e40bb6 5889
2aec4f3c 5890 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 5891 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 5892 if (tbss->next == bss) {
5893 tbss->next = bss->next;
3dd1d890
YAP		 5894 /* Unsubscribe management frames */
5895 nl80211_teardown_ap(bss);
cc7a48d1 5896 nl80211_destroy_bss(bss);
5c9da160
MB		 5897 if (!bss->added_if)
5898 i802_set_iface_flags(bss, 0);
8546ea19
JM		 5899 os_free(bss);
5900 bss = NULL;
5901 break;
5902 }
22a7c9d7 5903 }
8546ea19
JM		 5904 if (bss)
5905 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
5906 "BSS %p in the list", __func__, bss);
390e489c 5907 } else {
2aec4f3c 5908 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 5909 nl80211_teardown_ap(bss);
2aec4f3c
JM		 5910 if (!bss->added_if && !drv->first_bss->next)
5911 wpa_driver_nl80211_del_beacon(drv);
390e489c 5912 nl80211_destroy_bss(bss);
2aec4f3c
JM		 5913 if (!bss->added_if)
5914 i802_set_iface_flags(bss, 0);
390e489c
KP		 5915 if (drv->first_bss->next) {
5916 drv->first_bss = drv->first_bss->next;
5917 drv->ctx = drv->first_bss->ctx;
5918 os_free(bss);
5919 } else {
5920 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
5921 }
22a7c9d7 5922 }
22a7c9d7
JM		 5923
5924 return 0;
5925}
5926
5927
55777702
JM		 5928static int cookie_handler(struct nl_msg *msg, void *arg)
5929{
5930 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5931 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5932 u64 *cookie = arg;
5933 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5934 genlmsg_attrlen(gnlh, 0), NULL);
5935 if (tb[NL80211_ATTR_COOKIE])
5936 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
5937 return NL_SKIP;
5938}
5939
5940
88df0ef7 5941static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 5942 unsigned int freq, unsigned int wait,
5943 const u8 *buf, size_t buf_len,
88df0ef7
JB		 5944 u64 *cookie_out, int no_cck, int no_ack,
5945 int offchanok)
9884f9cc 5946{
88df0ef7 5947 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 5948 struct nl_msg *msg;
5949 u64 cookie;
5950 int ret = -1;
5951
cc2ada86 5952 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 5953 "no_ack=%d offchanok=%d",
5954 freq, wait, no_cck, no_ack, offchanok);
c91f796f 5955 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 5956
56f77852 5957 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM		 5958 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
5959 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
5960 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
5961 drv->test_use_roc_tx) &&
5962 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
5963 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
5964 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
5965 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
5966 goto fail;
9884f9cc
JB		 5967
5968 cookie = 0;
5969 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
5970 msg = NULL;
5971 if (ret) {
5972 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 5973 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
5974 freq, wait);
a862e4a3
JM		 5975 } else {
5976 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
5977 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
5978 (long long unsigned int) cookie);
9884f9cc 5979
a862e4a3
JM		 5980 if (cookie_out)
5981 *cookie_out = no_ack ? (u64) -1 : cookie;
5982 }
9884f9cc 5983
a862e4a3 5984fail:
9884f9cc
JB		 5985 nlmsg_free(msg);
5986 return ret;
5987}
5988
5989
9ebce9c5
JM		 5990static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
5991 unsigned int freq,
190b9062 5992 unsigned int wait_time,
58f6fbe0
JM		 5993 const u8 *dst, const u8 *src,
5994 const u8 *bssid,
b106173a
JM		 5995 const u8 *data, size_t data_len,
5996 int no_cck)
58f6fbe0 5997{
a2e40bb6 5998 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 5999 int ret = -1;
58f6fbe0
JM		 6000 u8 *buf;
6001 struct ieee80211_hdr *hdr;
58f6fbe0 6002
5dfca53f 6003 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 6004 "freq=%u MHz wait=%d ms no_cck=%d)",
6005 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 6006
6007 buf = os_zalloc(24 + data_len);
6008 if (buf == NULL)
6009 return ret;
6010 os_memcpy(buf + 24, data, data_len);
6011 hdr = (struct ieee80211_hdr *) buf;
6012 hdr->frame_control =
6013 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
6014 os_memcpy(hdr->addr1, dst, ETH_ALEN);
6015 os_memcpy(hdr->addr2, src, ETH_ALEN);
6016 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
6017
f78f2785
JM		 6018 if (is_ap_interface(drv->nlmode) &&
6019 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6020 (int) freq == bss->freq || drv->device_ap_sme ||
6021 !drv->use_monitor))
9ebce9c5
JM		 6022 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
6023 0, freq, no_cck, 1,
6024 wait_time);
9884f9cc 6025 else
88df0ef7 6026 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 6027 24 + data_len,
b106173a 6028 &drv->send_action_cookie,
88df0ef7 6029 no_cck, 0, 1);
58f6fbe0 6030
f8bf1421 6031 os_free(buf);
58f6fbe0
JM		 6032 return ret;
6033}
6034
6035
5dfca53f
JB		 6036static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
6037{
6038 struct i802_bss *bss = priv;
6039 struct wpa_driver_nl80211_data *drv = bss->drv;
6040 struct nl_msg *msg;
6041 int ret;
6042
316a9e4d
JM		 6043 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
6044 (long long unsigned int) drv->send_action_cookie);
56f77852 6045 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
a862e4a3
JM		 6046 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie)) {
6047 nlmsg_free(msg);
6048 return;
6049 }
5dfca53f
JB		 6050
6051 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB		 6052 if (ret)
6053 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
6054 "(%s)", ret, strerror(-ret));
5dfca53f
JB		 6055}
6056
6057
55777702
JM		 6058static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
6059 unsigned int duration)
6060{
a2e40bb6
FF		 6061 struct i802_bss *bss = priv;
6062 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 6063 struct nl_msg *msg;
6064 int ret;
6065 u64 cookie;
6066
56f77852 6067 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM		 6068 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
6069 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
6070 nlmsg_free(msg);
6071 return -1;
6072 }
55777702
JM		 6073
6074 cookie = 0;
6075 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6076 if (ret == 0) {
6077 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
6078 "0x%llx for freq=%u MHz duration=%u",
6079 (long long unsigned int) cookie, freq, duration);
6080 drv->remain_on_chan_cookie = cookie;
531f0331 6081 drv->pending_remain_on_chan = 1;
55777702
JM		 6082 return 0;
6083 }
6084 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 6085 "(freq=%d duration=%u): %d (%s)",
6086 freq, duration, ret, strerror(-ret));
55777702
JM		 6087 return -1;
6088}
6089
6090
6091static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
6092{
a2e40bb6
FF		 6093 struct i802_bss *bss = priv;
6094 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 6095 struct nl_msg *msg;
6096 int ret;
6097
6098 if (!drv->pending_remain_on_chan) {
6099 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
6100 "to cancel");
6101 return -1;
6102 }
6103
6104 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
6105 "0x%llx",
6106 (long long unsigned int) drv->remain_on_chan_cookie);
6107
56f77852
JM		 6108 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
6109 if (!msg ||
a862e4a3
JM		 6110 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
6111 nlmsg_free(msg);
6112 return -1;
6113 }
55777702
JM		 6114
6115 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6116 if (ret == 0)
6117 return 0;
6118 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
6119 "%d (%s)", ret, strerror(-ret));
55777702
JM		 6120 return -1;
6121}
6122
6123
9ebce9c5 6124static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 6125{
a2e40bb6 6126 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 6127
5582a5d1 6128 if (!report) {
0d891981 6129 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 6130 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
6131 !bss->static_ap) {
0d891981
JM		 6132 /*
6133 * Do not disable Probe Request reporting that was
6134 * enabled in nl80211_setup_ap().
6135 */
6136 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
6137 "Probe Request reporting nl_preq=%p while "
6138 "in AP mode", bss->nl_preq);
6139 } else if (bss->nl_preq) {
36488c05
JM		 6140 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
6141 "reporting nl_preq=%p", bss->nl_preq);
5f65e9f7 6142 nl80211_destroy_eloop_handle(&bss->nl_preq);
5582a5d1
JB		 6143 }
6144 return 0;
6145 }
6146
481234cf 6147 if (bss->nl_preq) {
5582a5d1 6148 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 6149 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 6150 return 0;
6151 }
6152
481234cf
JM		 6153 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
6154 if (bss->nl_preq == NULL)
5582a5d1 6155 return -1;
36488c05
JM		 6156 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
6157 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 6158
481234cf 6159 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 6160 (WLAN_FC_TYPE_MGMT << 2) |
6161 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 6162 NULL, 0) < 0)
6163 goto out_err;
5582a5d1 6164
5f65e9f7
JB		 6165 nl80211_register_eloop_read(&bss->nl_preq,
6166 wpa_driver_nl80211_event_receive,
6167 bss->nl_cb);
5582a5d1 6168
504e905c 6169 return 0;
5582a5d1 6170
a92dfde8 6171 out_err:
221a59c9 6172 nl_destroy_handles(&bss->nl_preq);
5582a5d1 6173 return -1;
504e905c
JM		 6174}
6175
6176
4e5cb1a3
JM		 6177static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
6178 int ifindex, int disabled)
6179{
6180 struct nl_msg *msg;
6181 struct nlattr *bands, *band;
6182 int ret;
6183
3e208481
JM		 6184 wpa_printf(MSG_DEBUG,
6185 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6186 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
6187 "no NL80211_TXRATE_LEGACY constraint");
6188
95376e1a
JM		 6189 msg = nl80211_ifindex_msg(drv, ifindex, 0,
6190 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 6191 if (!msg)
6192 return -1;
6193
4e5cb1a3
JM		 6194 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
6195 if (!bands)
a862e4a3 6196 goto fail;
4e5cb1a3
JM		 6197
6198 /*
6199 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6200 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6201 * rates. All 5 GHz rates are left enabled.
6202 */
6203 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM		 6204 if (!band ||
6205 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
6206 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6207 goto fail;
4e5cb1a3
JM		 6208 nla_nest_end(msg, band);
6209
6210 nla_nest_end(msg, bands);
6211
6212 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM		 6213 if (ret) {
6214 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
6215 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 6216 } else
6217 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 6218
6219 return ret;
6220
a862e4a3 6221fail:
4e5cb1a3
JM		 6222 nlmsg_free(msg);
6223 return -1;
6224}
6225
6226
af473088
JM		 6227static int wpa_driver_nl80211_deinit_ap(void *priv)
6228{
a2e40bb6
FF		 6229 struct i802_bss *bss = priv;
6230 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 6231 if (!is_ap_interface(drv->nlmode))
af473088
JM		 6232 return -1;
6233 wpa_driver_nl80211_del_beacon(drv);
9bc5cfa3 6234 bss->beacon_set = 0;
60b13c20
IP		 6235
6236 /*
6237 * If the P2P GO interface was dynamically added, then it is
6238 * possible that the interface change to station is not possible.
6239 */
6240 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
6241 return 0;
6242
b1f625e0 6243 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 6244}
6245
6246
695c7038
SW		 6247static int wpa_driver_nl80211_stop_ap(void *priv)
6248{
6249 struct i802_bss *bss = priv;
6250 struct wpa_driver_nl80211_data *drv = bss->drv;
6251 if (!is_ap_interface(drv->nlmode))
6252 return -1;
6253 wpa_driver_nl80211_del_beacon(drv);
6254 bss->beacon_set = 0;
6255 return 0;
6256}
6257
6258
3c29244e
EP		 6259static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
6260{
6261 struct i802_bss *bss = priv;
6262 struct wpa_driver_nl80211_data *drv = bss->drv;
6263 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
6264 return -1;
60b13c20
IP		 6265
6266 /*
6267 * If the P2P Client interface was dynamically added, then it is
6268 * possible that the interface change to station is not possible.
6269 */
6270 if (bss->if_dynamic)
6271 return 0;
6272
3c29244e
EP		 6273 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6274}
6275
6276
207ef3fb
JM		 6277static void wpa_driver_nl80211_resume(void *priv)
6278{
a2e40bb6 6279 struct i802_bss *bss = priv;
91724d6f
AS		 6280
6281 if (i802_set_iface_flags(bss, 1))
6282 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
207ef3fb
JM		 6283}
6284
6285
b625473c
JM		 6286static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
6287{
6288 struct i802_bss *bss = priv;
6289 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 6290 struct nl_msg *msg;
6291 struct nlattr *cqm;
b625473c
JM		 6292
6293 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
6294 "hysteresis=%d", threshold, hysteresis);
6295
13f83980 6296 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM		 6297 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
6298 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
6299 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
6300 nlmsg_free(msg);
6301 return -1;
6302 }
8970bae8 6303 nla_nest_end(msg, cqm);
21270bb4 6304
a862e4a3 6305 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 6306}
6307
6308
2cc8d8f4
AO		 6309static int get_channel_width(struct nl_msg *msg, void *arg)
6310{
6311 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6312 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6313 struct wpa_signal_info *sig_change = arg;
6314
6315 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6316 genlmsg_attrlen(gnlh, 0), NULL);
6317
6318 sig_change->center_frq1 = -1;
6319 sig_change->center_frq2 = -1;
6320 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
6321
6322 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
6323 sig_change->chanwidth = convert2width(
6324 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
6325 if (tb[NL80211_ATTR_CENTER_FREQ1])
6326 sig_change->center_frq1 =
6327 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
6328 if (tb[NL80211_ATTR_CENTER_FREQ2])
6329 sig_change->center_frq2 =
6330 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
6331 }
6332
6333 return NL_SKIP;
6334}
6335
6336
6337static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
6338 struct wpa_signal_info *sig)
6339{
6340 struct nl_msg *msg;
6341
9725b784 6342 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 6343 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO		 6344}
6345
6346
1c5c7273
PS		 6347static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
6348{
6349 struct i802_bss *bss = priv;
6350 struct wpa_driver_nl80211_data *drv = bss->drv;
6351 int res;
6352
6353 os_memset(si, 0, sizeof(*si));
6354 res = nl80211_get_link_signal(drv, si);
6355 if (res != 0)
6356 return res;
6357
2cc8d8f4
AO		 6358 res = nl80211_get_channel_width(drv, si);
6359 if (res != 0)
6360 return res;
6361
1c5c7273
PS		 6362 return nl80211_get_link_noise(drv, si);
6363}
6364
6365
57ebba59
JJ		 6366static int wpa_driver_nl80211_shared_freq(void *priv)
6367{
6368 struct i802_bss *bss = priv;
6369 struct wpa_driver_nl80211_data *drv = bss->drv;
6370 struct wpa_driver_nl80211_data *driver;
6371 int freq = 0;
6372
6373 /*
6374 * If the same PHY is in connected state with some other interface,
6375 * then retrieve the assoc freq.
6376 */
6377 wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s",
6378 drv->phyname);
6379
6380 dl_list_for_each(driver, &drv->global->interfaces,
6381 struct wpa_driver_nl80211_data, list) {
6382 if (drv == driver ||
6383 os_strcmp(drv->phyname, driver->phyname) != 0 ||
6384 !driver->associated)
6385 continue;
6386
6387 wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s "
6388 MACSTR,
834ee56f
KP		 6389 driver->phyname, driver->first_bss->ifname,
6390 MAC2STR(driver->first_bss->addr));
d3bd0f05 6391 if (is_ap_interface(driver->nlmode))
834ee56f 6392 freq = driver->first_bss->freq;
d3bd0f05
JJ		 6393 else
6394 freq = nl80211_get_assoc_freq(driver);
57ebba59
JJ		 6395 wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d",
6396 drv->phyname, freq);
6397 }
6398
6399 if (!freq)
6400 wpa_printf(MSG_DEBUG, "nl80211: No shared interface for "
6401 "PHY (%s) in associated state", drv->phyname);
6402
6403 return freq;
6404}
6405
6406
b91ab76e
JM		 6407static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
6408 int encrypt)
6409{
6410 struct i802_bss *bss = priv;
55231068
JM		 6411 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
6412 0, 0, 0, 0);
b91ab76e
JM		 6413}
6414
6415
c55f774d
JM		 6416static int nl80211_set_param(void *priv, const char *param)
6417{
c55f774d
JM		 6418 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
6419 if (param == NULL)
6420 return 0;
6421
6422#ifdef CONFIG_P2P
6423 if (os_strstr(param, "use_p2p_group_interface=1")) {
482856c8
JM		 6424 struct i802_bss *bss = priv;
6425 struct wpa_driver_nl80211_data *drv = bss->drv;
6426
c55f774d
JM		 6427 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
6428 "interface");
6429 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
6430 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
6431 }
6432#endif /* CONFIG_P2P */
6433
327b01d3
JM		 6434 if (os_strstr(param, "use_monitor=1")) {
6435 struct i802_bss *bss = priv;
6436 struct wpa_driver_nl80211_data *drv = bss->drv;
6437 drv->use_monitor = 1;
6438 }
6439
6440 if (os_strstr(param, "force_connect_cmd=1")) {
6441 struct i802_bss *bss = priv;
6442 struct wpa_driver_nl80211_data *drv = bss->drv;
6443 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 6444 drv->force_connect_cmd = 1;
327b01d3
JM		 6445 }
6446
64abb725
JM		 6447 if (os_strstr(param, "no_offchannel_tx=1")) {
6448 struct i802_bss *bss = priv;
6449 struct wpa_driver_nl80211_data *drv = bss->drv;
6450 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
6451 drv->test_use_roc_tx = 1;
6452 }
6453
c55f774d
JM		 6454 return 0;
6455}
6456
6457
f2ed8023
JM		 6458static void * nl80211_global_init(void)
6459{
6460 struct nl80211_global *global;
36d84860
BG		 6461 struct netlink_config *cfg;
6462
f2ed8023
JM		 6463 global = os_zalloc(sizeof(*global));
6464 if (global == NULL)
6465 return NULL;
c81eff1a 6466 global->ioctl_sock = -1;
f2ed8023 6467 dl_list_init(&global->interfaces);
ff6a158b 6468 global->if_add_ifindex = -1;
36d84860
BG		 6469
6470 cfg = os_zalloc(sizeof(*cfg));
6471 if (cfg == NULL)
6472 goto err;
6473
6474 cfg->ctx = global;
6475 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
6476 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
6477 global->netlink = netlink_init(cfg);
6478 if (global->netlink == NULL) {
6479 os_free(cfg);
6480 goto err;
6481 }
6482
2a7b66f5
BG		 6483 if (wpa_driver_nl80211_init_nl_global(global) < 0)
6484 goto err;
6485
c81eff1a
BG		 6486 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
6487 if (global->ioctl_sock < 0) {
7ac3616d
JM		 6488 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
6489 strerror(errno));
c81eff1a
BG		 6490 goto err;
6491 }
6492
f2ed8023 6493 return global;
36d84860
BG		 6494
6495err:
6496 nl80211_global_deinit(global);
6497 return NULL;
f2ed8023
JM		 6498}
6499
6500
6501static void nl80211_global_deinit(void *priv)
6502{
6503 struct nl80211_global *global = priv;
6504 if (global == NULL)
6505 return;
6506 if (!dl_list_empty(&global->interfaces)) {
6507 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
6508 "nl80211_global_deinit",
6509 dl_list_len(&global->interfaces));
6510 }
36d84860
BG		 6511
6512 if (global->netlink)
6513 netlink_deinit(global->netlink);
6514
276e2d67
BG		 6515 nl_destroy_handles(&global->nl);
6516
5f65e9f7
JB		 6517 if (global->nl_event)
6518 nl80211_destroy_eloop_handle(&global->nl_event);
d6c9aab8
JB		 6519
6520 nl_cb_put(global->nl_cb);
2a7b66f5 6521
c81eff1a
BG		 6522 if (global->ioctl_sock >= 0)
6523 close(global->ioctl_sock);
6524
f2ed8023
JM		 6525 os_free(global);
6526}
6527
6528
6859f1cb
BG		 6529static const char * nl80211_get_radio_name(void *priv)
6530{
6531 struct i802_bss *bss = priv;
6532 struct wpa_driver_nl80211_data *drv = bss->drv;
6533 return drv->phyname;
6534}
6535
6536
a6efc65d
JM		 6537static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
6538 const u8 *pmkid)
6539{
6540 struct nl_msg *msg;
6541
13f83980 6542 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 6543 (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
6544 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
6545 nlmsg_free(msg);
6546 return -ENOBUFS;
6547 }
a6efc65d
JM		 6548
6549 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 6550}
6551
6552
6553static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6554{
6555 struct i802_bss *bss = priv;
6556 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
6557 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
6558}
6559
6560
6561static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6562{
6563 struct i802_bss *bss = priv;
6564 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
6565 MAC2STR(bssid));
6566 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
6567}
6568
6569
6570static int nl80211_flush_pmkid(void *priv)
6571{
6572 struct i802_bss *bss = priv;
6573 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
6574 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
6575}
6576
6577
0185007c
MK		 6578static void clean_survey_results(struct survey_results *survey_results)
6579{
6580 struct freq_survey *survey, *tmp;
6581
6582 if (dl_list_empty(&survey_results->survey_list))
6583 return;
6584
6585 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
6586 struct freq_survey, list) {
6587 dl_list_del(&survey->list);
6588 os_free(survey);
6589 }
6590}
6591
6592
6593static void add_survey(struct nlattr **sinfo, u32 ifidx,
6594 struct dl_list *survey_list)
6595{
6596 struct freq_survey *survey;
6597
6598 survey = os_zalloc(sizeof(struct freq_survey));
6599 if (!survey)
6600 return;
6601
6602 survey->ifidx = ifidx;
6603 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6604 survey->filled = 0;
6605
6606 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
6607 survey->nf = (int8_t)
6608 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
6609 survey->filled |= SURVEY_HAS_NF;
6610 }
6611
6612 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
6613 survey->channel_time =
6614 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
6615 survey->filled |= SURVEY_HAS_CHAN_TIME;
6616 }
6617
6618 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
6619 survey->channel_time_busy =
6620 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
6621 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
6622 }
6623
6624 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
6625 survey->channel_time_rx =
6626 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
6627 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
6628 }
6629
6630 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
6631 survey->channel_time_tx =
6632 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
6633 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
6634 }
6635
6636 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)",
6637 survey->freq,
6638 survey->nf,
6639 (unsigned long int) survey->channel_time,
6640 (unsigned long int) survey->channel_time_busy,
6641 (unsigned long int) survey->channel_time_tx,
6642 (unsigned long int) survey->channel_time_rx,
6643 survey->filled);
6644
6645 dl_list_add_tail(survey_list, &survey->list);
6646}
6647
6648
6649static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
6650 unsigned int freq_filter)
6651{
6652 if (!freq_filter)
6653 return 1;
6654
6655 return freq_filter == surveyed_freq;
6656}
6657
6658
6659static int survey_handler(struct nl_msg *msg, void *arg)
6660{
6661 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6662 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6663 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
6664 struct survey_results *survey_results;
6665 u32 surveyed_freq = 0;
6666 u32 ifidx;
6667
6668 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
6669 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
6670 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
6671 };
6672
6673 survey_results = (struct survey_results *) arg;
6674
6675 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6676 genlmsg_attrlen(gnlh, 0), NULL);
6677
e28f39b7
SJ		 6678 if (!tb[NL80211_ATTR_IFINDEX])
6679 return NL_SKIP;
6680
0185007c
MK		 6681 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
6682
6683 if (!tb[NL80211_ATTR_SURVEY_INFO])
6684 return NL_SKIP;
6685
6686 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
6687 tb[NL80211_ATTR_SURVEY_INFO],
6688 survey_policy))
6689 return NL_SKIP;
6690
6691 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
6692 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
6693 return NL_SKIP;
6694 }
6695
6696 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6697
6698 if (!check_survey_ok(sinfo, surveyed_freq,
6699 survey_results->freq_filter))
6700 return NL_SKIP;
6701
6702 if (survey_results->freq_filter &&
6703 survey_results->freq_filter != surveyed_freq) {
6704 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
6705 surveyed_freq);
6706 return NL_SKIP;
6707 }
6708
6709 add_survey(sinfo, ifidx, &survey_results->survey_list);
6710
6711 return NL_SKIP;
6712}
6713
6714
6715static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
6716{
6717 struct i802_bss *bss = priv;
6718 struct wpa_driver_nl80211_data *drv = bss->drv;
6719 struct nl_msg *msg;
9725b784 6720 int err;
0185007c
MK		 6721 union wpa_event_data data;
6722 struct survey_results *survey_results;
6723
6724 os_memset(&data, 0, sizeof(data));
6725 survey_results = &data.survey_results;
6726
6727 dl_list_init(&survey_results->survey_list);
6728
9725b784 6729 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 6730 if (!msg)
a862e4a3 6731 return -ENOBUFS;
0185007c 6732
0185007c
MK		 6733 if (freq)
6734 data.survey_results.freq_filter = freq;
6735
6736 do {
6737 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
6738 err = send_and_recv_msgs(drv, msg, survey_handler,
6739 survey_results);
6740 } while (err > 0);
6741
a862e4a3 6742 if (err)
0185007c 6743 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM		 6744 else
6745 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 6746
0185007c 6747 clean_survey_results(survey_results);
0185007c
MK		 6748 return err;
6749}
6750
6751
b14a210c
JB		 6752static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
6753 const u8 *replay_ctr)
6754{
6755 struct i802_bss *bss = priv;
6756 struct wpa_driver_nl80211_data *drv = bss->drv;
6757 struct nlattr *replay_nested;
6758 struct nl_msg *msg;
64ae2447 6759 int ret;
b14a210c 6760
64ae2447
JM		 6761 if (!drv->set_rekey_offload)
6762 return;
6763
6764 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
13f83980 6765 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3
JM		 6766 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
6767 nla_put(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek) ||
6768 nla_put(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck) ||
6769 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
6770 replay_ctr)) {
bbd89bfc 6771 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 6772 nlmsg_free(msg);
6773 return;
6774 }
b14a210c
JB		 6775
6776 nla_nest_end(msg, replay_nested);
6777
64ae2447
JM		 6778 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
6779 if (ret == -EOPNOTSUPP) {
6780 wpa_printf(MSG_DEBUG,
6781 "nl80211: Driver does not support rekey offload");
6782 drv->set_rekey_offload = 0;
6783 }
b14a210c
JB		 6784}
6785
6786
39718852
JB		 6787static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
6788 const u8 *addr, int qos)
bcf24348 6789{
39718852
JB		 6790 /* send data frame to poll STA and check whether
6791 * this frame is ACKed */
bcf24348
JB		 6792 struct {
6793 struct ieee80211_hdr hdr;
6794 u16 qos_ctl;
6795 } STRUCT_PACKED nulldata;
6796 size_t size;
6797
6798 /* Send data frame to poll STA and check whether this frame is ACKed */
6799
6800 os_memset(&nulldata, 0, sizeof(nulldata));
6801
6802 if (qos) {
6803 nulldata.hdr.frame_control =
6804 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6805 WLAN_FC_STYPE_QOS_NULL);
6806 size = sizeof(nulldata);
6807 } else {
6808 nulldata.hdr.frame_control =
6809 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6810 WLAN_FC_STYPE_NULLFUNC);
6811 size = sizeof(struct ieee80211_hdr);
6812 }
6813
6814 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
6815 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
6816 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
6817 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
6818
9ebce9c5
JM		 6819 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
6820 0, 0) < 0)
bcf24348
JB		 6821 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
6822 "send poll frame");
6823}
6824
39718852
JB		 6825static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
6826 int qos)
6827{
6828 struct i802_bss *bss = priv;
6829 struct wpa_driver_nl80211_data *drv = bss->drv;
6830 struct nl_msg *msg;
6831
6832 if (!drv->poll_command_supported) {
6833 nl80211_send_null_frame(bss, own_addr, addr, qos);
6834 return;
6835 }
6836
13f83980 6837 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM		 6838 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
6839 nlmsg_free(msg);
6840 return;
6841 }
39718852
JB		 6842
6843 send_and_recv_msgs(drv, msg, NULL, NULL);
39718852
JB		 6844}
6845
bcf24348 6846
29f338af
JM		 6847static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
6848{
6849 struct nl_msg *msg;
6850
13f83980 6851 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM		 6852 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
6853 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
6854 nlmsg_free(msg);
6855 return -ENOBUFS;
6856 }
29f338af 6857 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
29f338af
JM		 6858}
6859
6860
6861static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
6862 int ctwindow)
6863{
6864 struct i802_bss *bss = priv;
6865
6866 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
6867 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
6868
0de38036
JM		 6869 if (opp_ps != -1 || ctwindow != -1) {
6870#ifdef ANDROID_P2P
6871 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
6872#else /* ANDROID_P2P */
29f338af 6873 return -1; /* Not yet supported */
0de38036
JM		 6874#endif /* ANDROID_P2P */
6875 }
29f338af
JM		 6876
6877 if (legacy_ps == -1)
6878 return 0;
6879 if (legacy_ps != 0 && legacy_ps != 1)
6880 return -1; /* Not yet supported */
6881
6882 return nl80211_set_power_save(bss, legacy_ps);
6883}
6884
6885
04e8003c
JD		 6886static int nl80211_start_radar_detection(void *priv,
6887 struct hostapd_freq_params *freq)
f90e9c1c
SW		 6888{
6889 struct i802_bss *bss = priv;
6890 struct wpa_driver_nl80211_data *drv = bss->drv;
6891 struct nl_msg *msg;
6892 int ret;
6893
04e8003c
JD		 6894 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)",
6895 freq->freq, freq->ht_enabled, freq->vht_enabled,
6896 freq->bandwidth, freq->center_freq1, freq->center_freq2);
6897
f90e9c1c
SW		 6898 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
6899 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
6900 "detection");
6901 return -1;
6902 }
6903
9725b784 6904 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM		 6905 nl80211_put_freq_params(msg, freq) < 0) {
6906 nlmsg_free(msg);
6907 return -1;
6908 }
f90e9c1c
SW		 6909
6910 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6911 if (ret == 0)
6912 return 0;
6913 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
6914 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW		 6915 return -1;
6916}
6917
03ea1786
AN		 6918#ifdef CONFIG_TDLS
6919
6920static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
6921 u8 dialog_token, u16 status_code,
984dadc2
AN		 6922 u32 peer_capab, int initiator, const u8 *buf,
6923 size_t len)
03ea1786
AN		 6924{
6925 struct i802_bss *bss = priv;
6926 struct wpa_driver_nl80211_data *drv = bss->drv;
6927 struct nl_msg *msg;
6928
6929 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6930 return -EOPNOTSUPP;
6931
6932 if (!dst)
6933 return -EINVAL;
6934
9725b784 6935 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM		 6936 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6937 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
6938 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
6939 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
6940 goto fail;
96ecea5e
SD		 6941 if (peer_capab) {
6942 /*
6943 * The internal enum tdls_peer_capability definition is
6944 * currently identical with the nl80211 enum
6945 * nl80211_tdls_peer_capability, so no conversion is needed
6946 * here.
6947 */
a862e4a3
JM		 6948 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
6949 peer_capab))
6950 goto fail;
96ecea5e 6951 }
a862e4a3
JM		 6952 if ((initiator &&
6953 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
6954 nla_put(msg, NL80211_ATTR_IE, len, buf))
6955 goto fail;
03ea1786
AN		 6956
6957 return send_and_recv_msgs(drv, msg, NULL, NULL);
6958
a862e4a3 6959fail:
03ea1786
AN		 6960 nlmsg_free(msg);
6961 return -ENOBUFS;
6962}
6963
6964
6965static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
6966{
6967 struct i802_bss *bss = priv;
6968 struct wpa_driver_nl80211_data *drv = bss->drv;
6969 struct nl_msg *msg;
6970 enum nl80211_tdls_operation nl80211_oper;
6971
6972 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6973 return -EOPNOTSUPP;
6974
6975 switch (oper) {
6976 case TDLS_DISCOVERY_REQ:
6977 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
6978 break;
6979 case TDLS_SETUP:
6980 nl80211_oper = NL80211_TDLS_SETUP;
6981 break;
6982 case TDLS_TEARDOWN:
6983 nl80211_oper = NL80211_TDLS_TEARDOWN;
6984 break;
6985 case TDLS_ENABLE_LINK:
6986 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
6987 break;
6988 case TDLS_DISABLE_LINK:
6989 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
6990 break;
6991 case TDLS_ENABLE:
6992 return 0;
6993 case TDLS_DISABLE:
6994 return 0;
6995 default:
6996 return -EINVAL;
6997 }
6998
9725b784 6999 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 7000 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM		 7001 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
7002 nlmsg_free(msg);
7003 return -ENOBUFS;
7004 }
03ea1786
AN		 7005
7006 return send_and_recv_msgs(drv, msg, NULL, NULL);
03ea1786
AN		 7007}
7008
72b2605f
AN		 7009
7010static int
7011nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
7012 const struct hostapd_freq_params *params)
7013{
7014 struct i802_bss *bss = priv;
7015 struct wpa_driver_nl80211_data *drv = bss->drv;
7016 struct nl_msg *msg;
7017 int ret = -ENOBUFS;
7018
7019 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7020 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7021 return -EOPNOTSUPP;
7022
7023 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
7024 " oper_class=%u freq=%u",
7025 MAC2STR(addr), oper_class, params->freq);
7026 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
7027 if (!msg ||
7028 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7029 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
7030 (ret = nl80211_put_freq_params(msg, params))) {
7031 nlmsg_free(msg);
7032 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
7033 return ret;
7034 }
7035
7036 return send_and_recv_msgs(drv, msg, NULL, NULL);
7037}
7038
7039
7040static int
7041nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
7042{
7043 struct i802_bss *bss = priv;
7044 struct wpa_driver_nl80211_data *drv = bss->drv;
7045 struct nl_msg *msg;
7046
7047 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7048 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7049 return -EOPNOTSUPP;
7050
7051 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
7052 MAC2STR(addr));
7053 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
7054 if (!msg ||
7055 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7056 nlmsg_free(msg);
7057 wpa_printf(MSG_DEBUG,
7058 "nl80211: Could not build TDLS cancel chan switch");
7059 return -ENOBUFS;
7060 }
7061
7062 return send_and_recv_msgs(drv, msg, NULL, NULL);
7063}
7064
03ea1786
AN		 7065#endif /* CONFIG TDLS */
7066
7067
9ebce9c5
JM		 7068static int driver_nl80211_set_key(const char *ifname, void *priv,
7069 enum wpa_alg alg, const u8 *addr,
7070 int key_idx, int set_tx,
7071 const u8 *seq, size_t seq_len,
7072 const u8 *key, size_t key_len)
7073{
7074 struct i802_bss *bss = priv;
7075 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
7076 set_tx, seq, seq_len, key, key_len);
7077}
7078
7079
7080static int driver_nl80211_scan2(void *priv,
7081 struct wpa_driver_scan_params *params)
7082{
7083 struct i802_bss *bss = priv;
7084 return wpa_driver_nl80211_scan(bss, params);
7085}
7086
7087
7088static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
7089 int reason_code)
7090{
7091 struct i802_bss *bss = priv;
7092 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
7093}
7094
7095
7096static int driver_nl80211_authenticate(void *priv,
7097 struct wpa_driver_auth_params *params)
7098{
7099 struct i802_bss *bss = priv;
7100 return wpa_driver_nl80211_authenticate(bss, params);
7101}
7102
7103
7104static void driver_nl80211_deinit(void *priv)
7105{
7106 struct i802_bss *bss = priv;
7107 wpa_driver_nl80211_deinit(bss);
7108}
7109
7110
7111static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
7112 const char *ifname)
7113{
7114 struct i802_bss *bss = priv;
7115 return wpa_driver_nl80211_if_remove(bss, type, ifname);
7116}
7117
7118
7119static int driver_nl80211_send_mlme(void *priv, const u8 *data,
7120 size_t data_len, int noack)
7121{
7122 struct i802_bss *bss = priv;
7123 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
7124 0, 0, 0, 0);
7125}
7126
7127
7128static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
7129{
7130 struct i802_bss *bss = priv;
59d7148a 7131 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 7132}
7133
7134
9ebce9c5
JM		 7135static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
7136 const char *ifname, int vlan_id)
7137{
7138 struct i802_bss *bss = priv;
7139 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
7140}
9ebce9c5
JM		 7141
7142
7143static int driver_nl80211_read_sta_data(void *priv,
7144 struct hostap_sta_driver_data *data,
7145 const u8 *addr)
7146{
7147 struct i802_bss *bss = priv;
7148 return i802_read_sta_data(bss, data, addr);
7149}
7150
7151
7152static int driver_nl80211_send_action(void *priv, unsigned int freq,
7153 unsigned int wait_time,
7154 const u8 *dst, const u8 *src,
7155 const u8 *bssid,
7156 const u8 *data, size_t data_len,
7157 int no_cck)
7158{
7159 struct i802_bss *bss = priv;
7160 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
7161 bssid, data, data_len, no_cck);
7162}
7163
7164
7165static int driver_nl80211_probe_req_report(void *priv, int report)
7166{
7167 struct i802_bss *bss = priv;
7168 return wpa_driver_nl80211_probe_req_report(bss, report);
7169}
7170
7171
6a1ce395
DG		 7172static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
7173 const u8 *ies, size_t ies_len)
7174{
7175 int ret;
7176 struct nl_msg *msg;
7177 struct i802_bss *bss = priv;
7178 struct wpa_driver_nl80211_data *drv = bss->drv;
7179 u16 mdid = WPA_GET_LE16(md);
7180
6a1ce395 7181 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 7182 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM		 7183 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
7184 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
7185 nlmsg_free(msg);
7186 return -ENOBUFS;
7187 }
6a1ce395
DG		 7188
7189 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7190 if (ret) {
7191 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
7192 "err=%d (%s)", ret, strerror(-ret));
7193 }
7194
7195 return ret;
6a1ce395
DG		 7196}
7197
7198
597b94f5
AS		 7199const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
7200{
7201 struct i802_bss *bss = priv;
7202 struct wpa_driver_nl80211_data *drv = bss->drv;
7203
7204 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
7205 return NULL;
7206
7207 return bss->addr;
7208}
7209
7210
a771c07d
JM		 7211static const char * scan_state_str(enum scan_states scan_state)
7212{
7213 switch (scan_state) {
7214 case NO_SCAN:
7215 return "NO_SCAN";
7216 case SCAN_REQUESTED:
7217 return "SCAN_REQUESTED";
7218 case SCAN_STARTED:
7219 return "SCAN_STARTED";
7220 case SCAN_COMPLETED:
7221 return "SCAN_COMPLETED";
7222 case SCAN_ABORTED:
7223 return "SCAN_ABORTED";
7224 case SCHED_SCAN_STARTED:
7225 return "SCHED_SCAN_STARTED";
7226 case SCHED_SCAN_STOPPED:
7227 return "SCHED_SCAN_STOPPED";
7228 case SCHED_SCAN_RESULTS:
7229 return "SCHED_SCAN_RESULTS";
7230 }
7231
7232 return "??";
7233}
7234
7235
7236static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
7237{
7238 struct i802_bss *bss = priv;
7239 struct wpa_driver_nl80211_data *drv = bss->drv;
7240 int res;
7241 char *pos, *end;
7242
7243 pos = buf;
7244 end = buf + buflen;
7245
7246 res = os_snprintf(pos, end - pos,
7247 "ifindex=%d\n"
7248 "ifname=%s\n"
7249 "brname=%s\n"
7250 "addr=" MACSTR "\n"
7251 "freq=%d\n"
7252 "%s%s%s%s%s",
7253 bss->ifindex,
7254 bss->ifname,
7255 bss->brname,
7256 MAC2STR(bss->addr),
7257 bss->freq,
7258 bss->beacon_set ? "beacon_set=1\n" : "",
7259 bss->added_if_into_bridge ?
7260 "added_if_into_bridge=1\n" : "",
7261 bss->added_bridge ? "added_bridge=1\n" : "",
7262 bss->in_deinit ? "in_deinit=1\n" : "",
7263 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 7264 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7265 return pos - buf;
7266 pos += res;
7267
7268 if (bss->wdev_id_set) {
7269 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
7270 (unsigned long long) bss->wdev_id);
d85e1fc8 7271 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7272 return pos - buf;
7273 pos += res;
7274 }
7275
7276 res = os_snprintf(pos, end - pos,
7277 "phyname=%s\n"
fee354c7 7278 "perm_addr=" MACSTR "\n"
a771c07d
JM		 7279 "drv_ifindex=%d\n"
7280 "operstate=%d\n"
7281 "scan_state=%s\n"
7282 "auth_bssid=" MACSTR "\n"
7283 "auth_attempt_bssid=" MACSTR "\n"
7284 "bssid=" MACSTR "\n"
7285 "prev_bssid=" MACSTR "\n"
7286 "associated=%d\n"
7287 "assoc_freq=%u\n"
7288 "monitor_sock=%d\n"
7289 "monitor_ifidx=%d\n"
7290 "monitor_refcount=%d\n"
7291 "last_mgmt_freq=%u\n"
7292 "eapol_tx_sock=%d\n"
97752f79 7293 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 7294 drv->phyname,
fee354c7 7295 MAC2STR(drv->perm_addr),
a771c07d
JM		 7296 drv->ifindex,
7297 drv->operstate,
7298 scan_state_str(drv->scan_state),
7299 MAC2STR(drv->auth_bssid),
7300 MAC2STR(drv->auth_attempt_bssid),
7301 MAC2STR(drv->bssid),
7302 MAC2STR(drv->prev_bssid),
7303 drv->associated,
7304 drv->assoc_freq,
7305 drv->monitor_sock,
7306 drv->monitor_ifidx,
7307 drv->monitor_refcount,
7308 drv->last_mgmt_freq,
7309 drv->eapol_tx_sock,
7310 drv->ignore_if_down_event ?
7311 "ignore_if_down_event=1\n" : "",
7312 drv->scan_complete_events ?
7313 "scan_complete_events=1\n" : "",
7314 drv->disabled_11b_rates ?
7315 "disabled_11b_rates=1\n" : "",
7316 drv->pending_remain_on_chan ?
7317 "pending_remain_on_chan=1\n" : "",
7318 drv->in_interface_list ? "in_interface_list=1\n" : "",
7319 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
7320 drv->poll_command_supported ?
7321 "poll_command_supported=1\n" : "",
7322 drv->data_tx_status ? "data_tx_status=1\n" : "",
7323 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
7324 drv->retry_auth ? "retry_auth=1\n" : "",
7325 drv->use_monitor ? "use_monitor=1\n" : "",
7326 drv->ignore_next_local_disconnect ?
7327 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 7328 drv->ignore_next_local_deauth ?
97752f79 7329 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 7330 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7331 return pos - buf;
7332 pos += res;
7333
7334 if (drv->has_capability) {
7335 res = os_snprintf(pos, end - pos,
7336 "capa.key_mgmt=0x%x\n"
7337 "capa.enc=0x%x\n"
7338 "capa.auth=0x%x\n"
24bd4e0b 7339 "capa.flags=0x%llx\n"
a0a34d53 7340 "capa.rrm_flags=0x%x\n"
a771c07d
JM		 7341 "capa.max_scan_ssids=%d\n"
7342 "capa.max_sched_scan_ssids=%d\n"
7343 "capa.sched_scan_supported=%d\n"
7344 "capa.max_match_sets=%d\n"
7345 "capa.max_remain_on_chan=%u\n"
7346 "capa.max_stations=%u\n"
7347 "capa.probe_resp_offloads=0x%x\n"
7348 "capa.max_acl_mac_addrs=%u\n"
86056fea
IP		 7349 "capa.num_multichan_concurrent=%u\n"
7350 "capa.mac_addr_rand_sched_scan_supported=%d\n"
7351 "capa.mac_addr_rand_scan_supported=%d\n",
a771c07d
JM		 7352 drv->capa.key_mgmt,
7353 drv->capa.enc,
7354 drv->capa.auth,
24bd4e0b 7355 (unsigned long long) drv->capa.flags,
a0a34d53 7356 drv->capa.rrm_flags,
a771c07d
JM		 7357 drv->capa.max_scan_ssids,
7358 drv->capa.max_sched_scan_ssids,
7359 drv->capa.sched_scan_supported,
7360 drv->capa.max_match_sets,
7361 drv->capa.max_remain_on_chan,
7362 drv->capa.max_stations,
7363 drv->capa.probe_resp_offloads,
7364 drv->capa.max_acl_mac_addrs,
86056fea
IP		 7365 drv->capa.num_multichan_concurrent,
7366 drv->capa.mac_addr_rand_sched_scan_supported,
7367 drv->capa.mac_addr_rand_scan_supported);
d85e1fc8 7368 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7369 return pos - buf;
7370 pos += res;
7371 }
7372
7373 return pos - buf;
7374}
7375
7376
1c4ffa87
AO		 7377static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
7378{
a862e4a3
JM		 7379 if ((settings->head &&
7380 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
7381 settings->head_len, settings->head)) ||
7382 (settings->tail &&
7383 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
7384 settings->tail_len, settings->tail)) ||
7385 (settings->beacon_ies &&
7386 nla_put(msg, NL80211_ATTR_IE,
7387 settings->beacon_ies_len, settings->beacon_ies)) ||
7388 (settings->proberesp_ies &&
7389 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
7390 settings->proberesp_ies_len, settings->proberesp_ies)) ||
7391 (settings->assocresp_ies &&
7392 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
7393 settings->assocresp_ies_len, settings->assocresp_ies)) ||
7394 (settings->probe_resp &&
7395 nla_put(msg, NL80211_ATTR_PROBE_RESP,
7396 settings->probe_resp_len, settings->probe_resp)))
7397 return -ENOBUFS;
1c4ffa87
AO		 7398
7399 return 0;
1c4ffa87
AO		 7400}
7401
7402
7403static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
7404{
7405 struct nl_msg *msg;
7406 struct i802_bss *bss = priv;
7407 struct wpa_driver_nl80211_data *drv = bss->drv;
7408 struct nlattr *beacon_csa;
7409 int ret = -ENOBUFS;
7410
8d1fdde7 7411 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 7412 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 7413 settings->freq_params.freq, settings->freq_params.bandwidth,
7414 settings->freq_params.center_freq1,
7415 settings->freq_params.center_freq2);
1c4ffa87 7416
991aa9c7 7417 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 7418 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
7419 return -EOPNOTSUPP;
7420 }
7421
7422 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
7423 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
7424 return -EOPNOTSUPP;
7425
7426 /* check settings validity */
7427 if (!settings->beacon_csa.tail ||
7428 ((settings->beacon_csa.tail_len <=
7429 settings->counter_offset_beacon) ||
7430 (settings->beacon_csa.tail[settings->counter_offset_beacon] !=
7431 settings->cs_count)))
7432 return -EINVAL;
7433
7434 if (settings->beacon_csa.probe_resp &&
7435 ((settings->beacon_csa.probe_resp_len <=
7436 settings->counter_offset_presp) ||
7437 (settings->beacon_csa.probe_resp[settings->counter_offset_presp] !=
7438 settings->cs_count)))
7439 return -EINVAL;
7440
13f83980 7441 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM		 7442 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
7443 settings->cs_count) ||
7444 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
7445 (settings->block_tx &&
7446 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO		 7447 goto error;
7448
1c4ffa87
AO		 7449 /* beacon_after params */
7450 ret = set_beacon_data(msg, &settings->beacon_after);
7451 if (ret)
7452 goto error;
7453
7454 /* beacon_csa params */
7455 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
7456 if (!beacon_csa)
a862e4a3 7457 goto fail;
1c4ffa87
AO		 7458
7459 ret = set_beacon_data(msg, &settings->beacon_csa);
7460 if (ret)
7461 goto error;
7462
a862e4a3
JM		 7463 if (nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
7464 settings->counter_offset_beacon) ||
7465 (settings->beacon_csa.probe_resp &&
7466 nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
7467 settings->counter_offset_presp)))
7468 goto fail;
1c4ffa87
AO		 7469
7470 nla_nest_end(msg, beacon_csa);
7471 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7472 if (ret) {
7473 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
7474 ret, strerror(-ret));
7475 }
7476 return ret;
7477
a862e4a3 7478fail:
1c4ffa87
AO		 7479 ret = -ENOBUFS;
7480error:
7481 nlmsg_free(msg);
7482 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
7483 return ret;
7484}
7485
7486
dfa87878
MB		 7487static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
7488 u8 user_priority, u16 admitted_time)
7489{
7490 struct i802_bss *bss = priv;
7491 struct wpa_driver_nl80211_data *drv = bss->drv;
7492 struct nl_msg *msg;
7493 int ret;
7494
7495 wpa_printf(MSG_DEBUG,
7496 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
7497 tsid, admitted_time, user_priority);
7498
7499 if (!is_sta_interface(drv->nlmode))
7500 return -ENOTSUP;
7501
56f77852
JM		 7502 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
7503 if (!msg ||
a862e4a3
JM		 7504 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7505 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7506 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
7507 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
7508 nlmsg_free(msg);
7509 return -ENOBUFS;
7510 }
dfa87878
MB		 7511
7512 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7513 if (ret)
7514 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
7515 ret, strerror(-ret));
7516 return ret;
dfa87878
MB		 7517}
7518
7519
7520static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
7521{
7522 struct i802_bss *bss = priv;
7523 struct wpa_driver_nl80211_data *drv = bss->drv;
7524 struct nl_msg *msg;
7525 int ret;
7526
7527 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
7528
7529 if (!is_sta_interface(drv->nlmode))
7530 return -ENOTSUP;
7531
56f77852 7532 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM		 7533 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7534 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7535 nlmsg_free(msg);
7536 return -ENOBUFS;
7537 }
dfa87878
MB		 7538
7539 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7540 if (ret)
7541 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
7542 ret, strerror(-ret));
7543 return ret;
dfa87878
MB		 7544}
7545
7546
6b9f7af6
JM		 7547#ifdef CONFIG_TESTING_OPTIONS
7548static int cmd_reply_handler(struct nl_msg *msg, void *arg)
7549{
7550 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7551 struct wpabuf *buf = arg;
7552
7553 if (!buf)
7554 return NL_SKIP;
7555
7556 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
7557 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
7558 return NL_SKIP;
7559 }
7560
7561 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
7562 genlmsg_attrlen(gnlh, 0));
7563
7564 return NL_SKIP;
7565}
7566#endif /* CONFIG_TESTING_OPTIONS */
7567
7568
adef8948
BL		 7569static int vendor_reply_handler(struct nl_msg *msg, void *arg)
7570{
7571 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7572 struct nlattr *nl_vendor_reply, *nl;
7573 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7574 struct wpabuf *buf = arg;
7575 int rem;
7576
7577 if (!buf)
7578 return NL_SKIP;
7579
7580 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7581 genlmsg_attrlen(gnlh, 0), NULL);
7582 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
7583
7584 if (!nl_vendor_reply)
7585 return NL_SKIP;
7586
7587 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
7588 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
7589 return NL_SKIP;
7590 }
7591
7592 nla_for_each_nested(nl, nl_vendor_reply, rem) {
7593 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
7594 }
7595
7596 return NL_SKIP;
7597}
7598
7599
7600static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
7601 unsigned int subcmd, const u8 *data,
7602 size_t data_len, struct wpabuf *buf)
7603{
7604 struct i802_bss *bss = priv;
7605 struct wpa_driver_nl80211_data *drv = bss->drv;
7606 struct nl_msg *msg;
7607 int ret;
7608
6b9f7af6
JM		 7609#ifdef CONFIG_TESTING_OPTIONS
7610 if (vendor_id == 0xffffffff) {
56f77852
JM		 7611 msg = nlmsg_alloc();
7612 if (!msg)
7613 return -ENOMEM;
7614
6b9f7af6
JM		 7615 nl80211_cmd(drv, msg, 0, subcmd);
7616 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
7617 0)
a862e4a3 7618 goto fail;
6b9f7af6
JM		 7619 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
7620 if (ret)
7621 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
7622 ret);
7623 return ret;
7624 }
7625#endif /* CONFIG_TESTING_OPTIONS */
7626
56f77852 7627 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 7628 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
7629 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
7630 (data &&
7631 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
7632 goto fail;
adef8948
BL		 7633
7634 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
7635 if (ret)
7636 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
7637 ret);
7638 return ret;
7639
a862e4a3 7640fail:
adef8948
BL		 7641 nlmsg_free(msg);
7642 return -ENOBUFS;
7643}
7644
7645
049105b4
KP		 7646static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
7647 u8 qos_map_set_len)
7648{
7649 struct i802_bss *bss = priv;
7650 struct wpa_driver_nl80211_data *drv = bss->drv;
7651 struct nl_msg *msg;
7652 int ret;
7653
049105b4
KP		 7654 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
7655 qos_map_set, qos_map_set_len);
7656
9725b784 7657 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM		 7658 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
7659 nlmsg_free(msg);
7660 return -ENOBUFS;
7661 }
049105b4
KP		 7662
7663 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7664 if (ret)
7665 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
7666
7667 return ret;
049105b4
KP		 7668}
7669
7670
e4fa8b12
EP		 7671static int nl80211_set_wowlan(void *priv,
7672 const struct wowlan_triggers *triggers)
7673{
7674 struct i802_bss *bss = priv;
7675 struct wpa_driver_nl80211_data *drv = bss->drv;
7676 struct nl_msg *msg;
7677 struct nlattr *wowlan_triggers;
7678 int ret;
7679
e4fa8b12
EP		 7680 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
7681
9725b784 7682 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM		 7683 !(wowlan_triggers = nla_nest_start(msg,
7684 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
7685 (triggers->any &&
7686 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
7687 (triggers->disconnect &&
7688 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
7689 (triggers->magic_pkt &&
7690 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
7691 (triggers->gtk_rekey_failure &&
7692 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
7693 (triggers->eap_identity_req &&
7694 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
7695 (triggers->four_way_handshake &&
7696 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
7697 (triggers->rfkill_release &&
7698 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
7699 nlmsg_free(msg);
7700 return -ENOBUFS;
7701 }
e4fa8b12
EP		 7702
7703 nla_nest_end(msg, wowlan_triggers);
7704
7705 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7706 if (ret)
7707 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
7708
7709 return ret;
e4fa8b12
EP		 7710}
7711
7712
0800f9ee
JM		 7713static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
7714{
7715 struct i802_bss *bss = priv;
7716 struct wpa_driver_nl80211_data *drv = bss->drv;
7717 struct nl_msg *msg;
7718 struct nlattr *params;
7719
7720 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
7721
7722 if (!drv->roaming_vendor_cmd_avail) {
7723 wpa_printf(MSG_DEBUG,
7724 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
7725 return -1;
7726 }
7727
9725b784 7728 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 7729 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
7730 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
7731 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
7732 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
7733 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
7734 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
7735 QCA_ROAMING_NOT_ALLOWED) ||
7736 (bssid &&
7737 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
7738 nlmsg_free(msg);
7739 return -1;
7740 }
0800f9ee
JM		 7741 nla_nest_end(msg, params);
7742
7743 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee
JM		 7744}
7745
7746
fee354c7
JM		 7747static int nl80211_set_mac_addr(void *priv, const u8 *addr)
7748{
7749 struct i802_bss *bss = priv;
7750 struct wpa_driver_nl80211_data *drv = bss->drv;
7751 int new_addr = addr != NULL;
7752
7753 if (!addr)
7754 addr = drv->perm_addr;
7755
7756 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
7757 return -1;
7758
7759 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
7760 {
7761 wpa_printf(MSG_DEBUG,
7762 "nl80211: failed to set_mac_addr for %s to " MACSTR,
7763 bss->ifname, MAC2STR(addr));
7764 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
7765 1) < 0) {
7766 wpa_printf(MSG_DEBUG,
7767 "nl80211: Could not restore interface UP after failed set_mac_addr");
7768 }
7769 return -1;
7770 }
7771
7772 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
7773 bss->ifname, MAC2STR(addr));
7774 drv->addr_changed = new_addr;
7775 os_memcpy(bss->addr, addr, ETH_ALEN);
7776
7777 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
7778 {
7779 wpa_printf(MSG_DEBUG,
7780 "nl80211: Could not restore interface UP after set_mac_addr");
7781 }
7782
7783 return 0;
7784}
7785
7786
6c1664f6
BC		 7787#ifdef CONFIG_MESH
7788
7789static int wpa_driver_nl80211_init_mesh(void *priv)
7790{
7791 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
7792 wpa_printf(MSG_INFO,
7793 "nl80211: Failed to set interface into mesh mode");
7794 return -1;
7795 }
7796 return 0;
7797}
7798
7799
7800static int
7801wpa_driver_nl80211_join_mesh(void *priv,
7802 struct wpa_driver_mesh_join_params *params)
7803{
7804 struct i802_bss *bss = priv;
7805 struct wpa_driver_nl80211_data *drv = bss->drv;
7806 struct nl_msg *msg;
7807 struct nlattr *container;
7808 int ret = 0;
7809
6c1664f6 7810 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784 7811 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
f7e889fa
JM		 7812 if (!msg ||
7813 nl80211_put_freq_params(msg, &params->freq) ||
7814 nl80211_put_basic_rates(msg, params->basic_rates))
cae87abd 7815 goto fail;
6c1664f6
BC		 7816
7817 if (params->meshid) {
7818 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7819 params->meshid, params->meshid_len);
a862e4a3
JM		 7820 if (nla_put(msg, NL80211_ATTR_MESH_ID, params->meshid_len,
7821 params->meshid))
7822 goto fail;
6c1664f6
BC		 7823 }
7824
85e1fad8
JM		 7825 if (nl80211_put_beacon_int(msg, params->beacon_int))
7826 goto fail;
9c58c5f7 7827
6c1664f6
BC		 7828 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
7829
7830 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
7831 if (!container)
a862e4a3 7832 goto fail;
6c1664f6
BC		 7833
7834 if (params->ies) {
7835 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM		 7836 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
7837 params->ies))
7838 goto fail;
6c1664f6
BC		 7839 }
7840 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
7841 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM		 7842 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
7843 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
7844 goto fail;
6c1664f6 7845 }
a862e4a3
JM		 7846 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
7847 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
7848 goto fail;
7849 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
7850 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
7851 goto fail;
6c1664f6
BC		 7852 nla_nest_end(msg, container);
7853
7854 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
7855 if (!container)
a862e4a3 7856 goto fail;
6c1664f6 7857
a862e4a3
JM		 7858 if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
7859 nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0))
7860 goto fail;
4b409368
MH		 7861 if ((params->conf.flags & WPA_DRIVER_MESH_FLAG_DRIVER_MPM) &&
7862 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7863 params->max_peer_links))
7864 goto fail;
6c1664f6
BC		 7865 nla_nest_end(msg, container);
7866
7867 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7868 msg = NULL;
7869 if (ret) {
7870 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
7871 ret, strerror(-ret));
a862e4a3 7872 goto fail;
6c1664f6
BC		 7873 }
7874 ret = 0;
f7e889fa 7875 bss->freq = params->freq.freq;
6c1664f6
BC		 7876 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
7877
a862e4a3 7878fail:
6c1664f6
BC		 7879 nlmsg_free(msg);
7880 return ret;
7881}
7882
7883
7884static int wpa_driver_nl80211_leave_mesh(void *priv)
7885{
7886 struct i802_bss *bss = priv;
7887 struct wpa_driver_nl80211_data *drv = bss->drv;
7888 struct nl_msg *msg;
9725b784 7889 int ret;
6c1664f6
BC		 7890
7891 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 7892 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 7893 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC		 7894 if (ret) {
7895 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
7896 ret, strerror(-ret));
a862e4a3
JM		 7897 } else {
7898 wpa_printf(MSG_DEBUG,
7899 "nl80211: mesh leave request send successfully");
6c1664f6 7900 }
6c1664f6 7901
f33c82d2
JM		 7902 if (wpa_driver_nl80211_set_mode(drv->first_bss,
7903 NL80211_IFTYPE_STATION)) {
7904 wpa_printf(MSG_INFO,
7905 "nl80211: Failed to set interface into station mode");
7906 }
6c1664f6
BC		 7907 return ret;
7908}
7909
7910#endif /* CONFIG_MESH */
7911
7912
ed4ddb6d
KP		 7913static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
7914 const u8 *ipaddr, int prefixlen,
7915 const u8 *addr)
71103bed
KP		 7916{
7917#ifdef CONFIG_LIBNL3_ROUTE
7918 struct i802_bss *bss = priv;
7919 struct wpa_driver_nl80211_data *drv = bss->drv;
7920 struct rtnl_neigh *rn;
7921 struct nl_addr *nl_ipaddr = NULL;
7922 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 7923 int family, addrsize;
71103bed
KP		 7924 int res;
7925
ed4ddb6d 7926 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP		 7927 return -EINVAL;
7928
7929 if (bss->br_ifindex == 0) {
7930 wpa_printf(MSG_DEBUG,
7931 "nl80211: bridge must be set before adding an ip neigh to it");
7932 return -1;
7933 }
7934
7935 if (!drv->rtnl_sk) {
7936 wpa_printf(MSG_DEBUG,
7937 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
7938 return -1;
7939 }
7940
ed4ddb6d
KP		 7941 if (version == 4) {
7942 family = AF_INET;
7943 addrsize = 4;
7944 } else if (version == 6) {
7945 family = AF_INET6;
7946 addrsize = 16;
7947 } else {
7948 return -EINVAL;
7949 }
7950
71103bed
KP		 7951 rn = rtnl_neigh_alloc();
7952 if (rn == NULL)
7953 return -ENOMEM;
7954
7955 /* set the destination ip address for neigh */
ed4ddb6d 7956 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 7957 if (nl_ipaddr == NULL) {
7958 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
7959 res = -ENOMEM;
7960 goto errout;
7961 }
7962 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
7963 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
7964 if (res) {
7965 wpa_printf(MSG_DEBUG,
7966 "nl80211: neigh set destination addr failed");
7967 goto errout;
7968 }
7969
7970 /* set the corresponding lladdr for neigh */
7971 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
7972 if (nl_lladdr == NULL) {
7973 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
7974 res = -ENOMEM;
7975 goto errout;
7976 }
7977 rtnl_neigh_set_lladdr(rn, nl_lladdr);
7978
7979 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
7980 rtnl_neigh_set_state(rn, NUD_PERMANENT);
7981
7982 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
7983 if (res) {
7984 wpa_printf(MSG_DEBUG,
7985 "nl80211: Adding bridge ip neigh failed: %s",
7986 strerror(errno));
7987 }
7988errout:
7989 if (nl_lladdr)
7990 nl_addr_put(nl_lladdr);
7991 if (nl_ipaddr)
7992 nl_addr_put(nl_ipaddr);
7993 if (rn)
7994 rtnl_neigh_put(rn);
7995 return res;
7996#else /* CONFIG_LIBNL3_ROUTE */
7997 return -1;
7998#endif /* CONFIG_LIBNL3_ROUTE */
7999}
8000
8001
ed4ddb6d
KP		 8002static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
8003 const u8 *ipaddr)
71103bed
KP		 8004{
8005#ifdef CONFIG_LIBNL3_ROUTE
8006 struct i802_bss *bss = priv;
8007 struct wpa_driver_nl80211_data *drv = bss->drv;
8008 struct rtnl_neigh *rn;
8009 struct nl_addr *nl_ipaddr;
ed4ddb6d 8010 int family, addrsize;
71103bed
KP		 8011 int res;
8012
ed4ddb6d 8013 if (!ipaddr)
71103bed
KP		 8014 return -EINVAL;
8015
ed4ddb6d
KP		 8016 if (version == 4) {
8017 family = AF_INET;
8018 addrsize = 4;
8019 } else if (version == 6) {
8020 family = AF_INET6;
8021 addrsize = 16;
8022 } else {
8023 return -EINVAL;
8024 }
8025
71103bed
KP		 8026 if (bss->br_ifindex == 0) {
8027 wpa_printf(MSG_DEBUG,
8028 "nl80211: bridge must be set to delete an ip neigh");
8029 return -1;
8030 }
8031
8032 if (!drv->rtnl_sk) {
8033 wpa_printf(MSG_DEBUG,
8034 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8035 return -1;
8036 }
8037
8038 rn = rtnl_neigh_alloc();
8039 if (rn == NULL)
8040 return -ENOMEM;
8041
8042 /* set the destination ip address for neigh */
ed4ddb6d 8043 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 8044 if (nl_ipaddr == NULL) {
8045 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8046 res = -ENOMEM;
8047 goto errout;
8048 }
8049 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8050 if (res) {
8051 wpa_printf(MSG_DEBUG,
8052 "nl80211: neigh set destination addr failed");
8053 goto errout;
8054 }
8055
8056 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8057
8058 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
8059 if (res) {
8060 wpa_printf(MSG_DEBUG,
8061 "nl80211: Deleting bridge ip neigh failed: %s",
8062 strerror(errno));
8063 }
8064errout:
8065 if (nl_ipaddr)
8066 nl_addr_put(nl_ipaddr);
8067 if (rn)
8068 rtnl_neigh_put(rn);
8069 return res;
8070#else /* CONFIG_LIBNL3_ROUTE */
8071 return -1;
8072#endif /* CONFIG_LIBNL3_ROUTE */
8073}
8074
8075
73d2294f
KP		 8076static int linux_write_system_file(const char *path, unsigned int val)
8077{
8078 char buf[50];
8079 int fd, len;
8080
8081 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 8082 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP		 8083 return -1;
8084
8085 fd = open(path, O_WRONLY);
8086 if (fd < 0)
8087 return -1;
8088
8089 if (write(fd, buf, len) < 0) {
8090 wpa_printf(MSG_DEBUG,
8091 "nl80211: Failed to write Linux system file: %s with the value of %d",
8092 path, val);
8093 close(fd);
8094 return -1;
8095 }
8096 close(fd);
8097
8098 return 0;
8099}
8100
8101
8102static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
8103{
8104 switch (attr) {
8105 case DRV_BR_PORT_ATTR_PROXYARP:
8106 return "proxyarp";
8107 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
8108 return "hairpin_mode";
8109 }
8110
8111 return NULL;
8112}
8113
8114
8115static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
8116 unsigned int val)
8117{
8118 struct i802_bss *bss = priv;
8119 char path[128];
8120 const char *attr_txt;
8121
8122 attr_txt = drv_br_port_attr_str(attr);
8123 if (attr_txt == NULL)
8124 return -EINVAL;
8125
8126 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
8127 bss->ifname, attr_txt);
8128
8129 if (linux_write_system_file(path, val))
8130 return -1;
8131
8132 return 0;
8133}
8134
8135
7565752d
KP		 8136static const char * drv_br_net_param_str(enum drv_br_net_param param)
8137{
8138 switch (param) {
8139 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8140 return "arp_accept";
8141 }
8142
8143 return NULL;
8144}
8145
8146
8147static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
8148 unsigned int val)
8149{
8150 struct i802_bss *bss = priv;
8151 char path[128];
8152 const char *param_txt;
8153 int ip_version = 4;
8154
8155 param_txt = drv_br_net_param_str(param);
8156 if (param_txt == NULL)
8157 return -EINVAL;
8158
8159 switch (param) {
8160 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8161 ip_version = 4;
8162 break;
8163 default:
8164 return -EINVAL;
8165 }
8166
8167 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
8168 ip_version, bss->brname, param_txt);
8169
8170 if (linux_write_system_file(path, val))
8171 return -1;
8172
8173 return 0;
8174}
8175
8176
16689c7c
PX		 8177static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
8178{
8179 switch (hw_mode) {
8180 case HOSTAPD_MODE_IEEE80211B:
8181 return QCA_ACS_MODE_IEEE80211B;
8182 case HOSTAPD_MODE_IEEE80211G:
8183 return QCA_ACS_MODE_IEEE80211G;
8184 case HOSTAPD_MODE_IEEE80211A:
8185 return QCA_ACS_MODE_IEEE80211A;
8186 case HOSTAPD_MODE_IEEE80211AD:
8187 return QCA_ACS_MODE_IEEE80211AD;
8188 default:
8189 return -1;
8190 }
8191}
8192
8193
8194static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
8195{
8196 struct i802_bss *bss = priv;
8197 struct wpa_driver_nl80211_data *drv = bss->drv;
8198 struct nl_msg *msg;
8199 struct nlattr *data;
a862e4a3 8200 int ret;
16689c7c
PX		 8201 int mode;
8202
8203 mode = hw_mode_to_qca_acs(params->hw_mode);
8204 if (mode < 0)
8205 return -1;
8206
9725b784 8207 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 8208 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8209 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8210 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
8211 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8212 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
8213 (params->ht_enabled &&
8214 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
8215 (params->ht40_enabled &&
8216 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED))) {
8217 nlmsg_free(msg);
8218 return -ENOBUFS;
8219 }
16689c7c
PX		 8220 nla_nest_end(msg, data);
8221
8222 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX		 8223 if (ret) {
8224 wpa_printf(MSG_DEBUG,
8225 "nl80211: Failed to invoke driver ACS function: %s",
8226 strerror(errno));
8227 }
16689c7c
PX		 8228 return ret;
8229}
8230
8231
3f5285e8
JM		 8232const struct wpa_driver_ops wpa_driver_nl80211_ops = {
8233 .name = "nl80211",
8234 .desc = "Linux nl80211/cfg80211",
8235 .get_bssid = wpa_driver_nl80211_get_bssid,
8236 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 8237 .set_key = driver_nl80211_set_key,
8238 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 8239 .sched_scan = wpa_driver_nl80211_sched_scan,
8240 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 8241 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
9ebce9c5
JM		 8242 .deauthenticate = driver_nl80211_deauthenticate,
8243 .authenticate = driver_nl80211_authenticate,
3f5285e8 8244 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 8245 .global_init = nl80211_global_init,
8246 .global_deinit = nl80211_global_deinit,
8247 .init2 = wpa_driver_nl80211_init,
9ebce9c5 8248 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 8249 .get_capa = wpa_driver_nl80211_get_capa,
8250 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 8251 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 8252 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 8253 .get_country = wpa_driver_nl80211_get_country,
19c3b566 8254 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 8255 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 8256 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 8257 .if_remove = driver_nl80211_if_remove,
8258 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 8259 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 8260 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 8261 .sta_remove = driver_nl80211_sta_remove,
db149ac9 8262 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 8263 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837 8264 .hapd_init = i802_init,
c5121837 8265 .hapd_deinit = i802_deinit,
f7b3920c 8266 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 8267 .get_seqnum = i802_get_seqnum,
8268 .flush = i802_flush,
c5121837
JM		 8269 .get_inact_sec = i802_get_inact_sec,
8270 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 8271 .set_rts = i802_set_rts,
8272 .set_frag = i802_set_frag,
c5121837 8273 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 8274 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 8275 .sta_deauth = i802_sta_deauth,
8276 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 8277 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 8278 .set_freq = i802_set_freq,
9ebce9c5 8279 .send_action = driver_nl80211_send_action,
5dfca53f 8280 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 8281 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
8282 .cancel_remain_on_channel =
8283 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 8284 .probe_req_report = driver_nl80211_probe_req_report,
af473088 8285 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 8286 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 8287 .resume = wpa_driver_nl80211_resume,
b625473c 8288 .signal_monitor = nl80211_signal_monitor,
1c5c7273 8289 .signal_poll = nl80211_signal_poll,
b91ab76e 8290 .send_frame = nl80211_send_frame,
57ebba59 8291 .shared_freq = wpa_driver_nl80211_shared_freq,
c55f774d 8292 .set_param = nl80211_set_param,
6859f1cb 8293 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 8294 .add_pmkid = nl80211_add_pmkid,
8295 .remove_pmkid = nl80211_remove_pmkid,
8296 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 8297 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 8298 .poll_client = nl80211_poll_client,
29f338af 8299 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 8300 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 8301 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 8302#ifdef CONFIG_TDLS
8303 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
8304 .tdls_oper = nl80211_tdls_oper,
72b2605f
AN		 8305 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
8306 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
03ea1786 8307#endif /* CONFIG_TDLS */
6a1ce395 8308 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 8309 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 8310 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 8311 .status = wpa_driver_nl80211_status,
1c4ffa87 8312 .switch_channel = nl80211_switch_channel,
0de38036
JM		 8313#ifdef ANDROID_P2P
8314 .set_noa = wpa_driver_set_p2p_noa,
8315 .get_noa = wpa_driver_get_p2p_noa,
8316 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
8317#endif /* ANDROID_P2P */
5e2c3490
JM		 8318#ifdef ANDROID
8319 .driver_cmd = wpa_driver_nl80211_driver_cmd,
8320#endif /* ANDROID */
adef8948 8321 .vendor_cmd = nl80211_vendor_cmd,
049105b4 8322 .set_qos_map = nl80211_set_qos_map,
e4fa8b12 8323 .set_wowlan = nl80211_set_wowlan,
0800f9ee 8324 .roaming = nl80211_roaming,
fee354c7 8325 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 8326#ifdef CONFIG_MESH
8327 .init_mesh = wpa_driver_nl80211_init_mesh,
8328 .join_mesh = wpa_driver_nl80211_join_mesh,
8329 .leave_mesh = wpa_driver_nl80211_leave_mesh,
8330#endif /* CONFIG_MESH */
71103bed
KP		 8331 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
8332 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 8333 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 8334 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB		 8335 .add_tx_ts = nl80211_add_ts,
8336 .del_tx_ts = nl80211_del_ts,
16689c7c 8337 .do_acs = wpa_driver_do_acs,
3f5285e8 8338};
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