]> git.ipfire.org Git - thirdparty/hostap.git/blame - src/drivers/driver_nl80211.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Fix typos in wpa_supplicant configuration parameter documentation
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
98cd3d1c 3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
072ad14c
JM		 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
58f6fbe0 7 * Copyright (c) 2009-2010, Atheros Communications
3f5285e8 8 *
0f3d578e
JM		 9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
3f5285e8
JM		 11 */
12
13#include "includes.h"
6859f1cb 14#include <sys/types.h>
73d2294f 15#include <fcntl.h>
37b7d082 16#include <net/if.h>
3f5285e8 17#include <netlink/genl/genl.h>
3f5285e8 18#include <netlink/genl/ctrl.h>
97ed9a06
KP		 19#ifdef CONFIG_LIBNL3_ROUTE
20#include <netlink/route/neighbour.h>
21#endif /* CONFIG_LIBNL3_ROUTE */
8602b0f2 22#include <linux/rtnetlink.h>
1b648c7e 23#include <netpacket/packet.h>
32ab4855 24#include <linux/errqueue.h>
625f587b 25
3f5285e8 26#include "common.h"
1b648c7e 27#include "eloop.h"
1682c623 28#include "common/qca-vendor.h"
a26582cb 29#include "common/qca-vendor-attr.h"
1b648c7e 30#include "common/ieee802_11_defs.h"
9b90955e 31#include "common/ieee802_11_common.h"
f10bfc9a 32#include "l2_packet/l2_packet.h"
e2d02c29 33#include "netlink.h"
1474e6e9 34#include "linux_defines.h"
34f2f814 35#include "linux_ioctl.h"
e2d02c29
JM		 36#include "radiotap.h"
37#include "radiotap_iter.h"
8401a6b0 38#include "rfkill.h"
1474e6e9 39#include "driver_nl80211.h"
32ab4855 40
1474e6e9
JM		 41
42#ifndef CONFIG_LIBNL20
a65a9aed
JB		 43/*
44 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
45 * but when you free a socket again it will mess up its bitmap and
46 * and use the wrong number the next time it needs a socket ID.
47 * Therefore, we wrap the handle alloc/destroy and add our own pid
48 * accounting.
49 */
50static uint32_t port_bitmap[32] = { 0 };
51
52static struct nl_handle *nl80211_handle_alloc(void *cb)
53{
54 struct nl_handle *handle;
55 uint32_t pid = getpid() & 0x3FFFFF;
56 int i;
57
58 handle = nl_handle_alloc_cb(cb);
59
60 for (i = 0; i < 1024; i++) {
61 if (port_bitmap[i / 32] & (1 << (i % 32)))
62 continue;
63 port_bitmap[i / 32] |= 1 << (i % 32);
64 pid += i << 22;
65 break;
66 }
67
68 nl_socket_set_local_port(handle, pid);
69
70 return handle;
71}
72
73static void nl80211_handle_destroy(struct nl_handle *handle)
74{
75 uint32_t port = nl_socket_get_local_port(handle);
76
77 port >>= 22;
78 port_bitmap[port / 32] &= ~(1 << (port % 32));
79
80 nl_handle_destroy(handle);
81}
c5121837
JM		 82#endif /* CONFIG_LIBNL20 */
83
c5121837 84
1c6edec6
JM		 85#ifdef ANDROID
86/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
1c6edec6
JM		 87#undef nl_socket_set_nonblocking
88#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
70a96c81 89
1c6edec6
JM		 90#endif /* ANDROID */
91
92
481234cf 93static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 94{
481234cf 95 struct nl_handle *handle;
a92dfde8 96
481234cf
JM		 97 handle = nl80211_handle_alloc(cb);
98 if (handle == NULL) {
a92dfde8
JB		 99 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
100 "callbacks (%s)", dbg);
481234cf 101 return NULL;
a92dfde8
JB		 102 }
103
481234cf 104 if (genl_connect(handle)) {
a92dfde8
JB		 105 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
106 "netlink (%s)", dbg);
481234cf
JM		 107 nl80211_handle_destroy(handle);
108 return NULL;
a92dfde8
JB		 109 }
110
481234cf 111 return handle;
a92dfde8
JB		 112}
113
114
481234cf 115static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 116{
481234cf 117 if (*handle == NULL)
a92dfde8 118 return;
481234cf
JM		 119 nl80211_handle_destroy(*handle);
120 *handle = NULL;
a92dfde8
JB		 121}
122
123
10b85921
JB		 124#if __WORDSIZE == 64
125#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
126#else
127#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
128#endif
129
5f65e9f7
JB		 130static void nl80211_register_eloop_read(struct nl_handle **handle,
131 eloop_sock_handler handler,
132 void *eloop_data)
133{
fa38860c 134#ifdef CONFIG_LIBNL20
630b3230
JM		 135 /*
136 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
137 * by default. It is possible to hit that limit in some cases where
138 * operations are blocked, e.g., with a burst of Deauthentication frames
139 * to hostapd and STA entry deletion. Try to increase the buffer to make
140 * this less likely to occur.
141 */
142 if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
143 wpa_printf(MSG_DEBUG,
144 "nl80211: Could not set nl_socket RX buffer size: %s",
145 strerror(errno));
146 /* continue anyway with the default (smaller) buffer */
147 }
fa38860c 148#endif /* CONFIG_LIBNL20 */
630b3230 149
10b85921 150 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 151 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
152 eloop_data, *handle);
10b85921 153 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 154}
155
156
157static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
158{
10b85921 159 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 160 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
161 nl_destroy_handles(handle);
162}
163
164
36d84860 165static void nl80211_global_deinit(void *priv);
f51f54a0 166static void nl80211_check_global(struct nl80211_global *global);
36d84860 167
9ebce9c5 168static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
4ec68377
JD		 169static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
170 struct hostapd_freq_params *freq);
3c5d34e3 171
362f781e 172static int
0d547d5f 173wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 174 const u8 *set_addr, int first,
175 const char *driver_params);
88df0ef7 176static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 177 unsigned int freq, unsigned int wait,
b106173a 178 const u8 *buf, size_t buf_len, u64 *cookie,
2d3943ce
AO		 179 int no_cck, int no_ack, int offchanok,
180 const u16 *csa_offs, size_t csa_offs_len);
9ebce9c5
JM		 181static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
182 int report);
0915d02c 183
732b1d20
MB		 184#define IFIDX_ANY -1
185
186static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
187 int ifidx_reason);
188static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
189 int ifidx_reason);
190static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
191 int ifidx_reason);
072ad14c 192
e87ef751
PX		 193static int nl80211_set_channel(struct i802_bss *bss,
194 struct hostapd_freq_params *freq, int set_chan);
4e5cb1a3
JM		 195static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
196 int ifindex, int disabled);
504e905c 197
666e508c
JM		 198static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
199 int reset_mode);
21bdbe38 200
bf83eab5 201static int i802_set_iface_flags(struct i802_bss *bss, int up);
0ecff8d7 202static int nl80211_set_param(void *priv, const char *param);
052b8d38
MH		 203#ifdef CONFIG_MESH
204static int nl80211_put_mesh_config(struct nl_msg *msg,
205 struct wpa_driver_mesh_bss_params *params);
206#endif /* CONFIG_MESH */
bf83eab5 207
3f5285e8 208
8d1fdde7 209/* Converts nl80211_chan_width to a common format */
f3407c66 210enum chan_width convert2width(int width)
8d1fdde7
JD		 211{
212 switch (width) {
213 case NL80211_CHAN_WIDTH_20_NOHT:
214 return CHAN_WIDTH_20_NOHT;
215 case NL80211_CHAN_WIDTH_20:
216 return CHAN_WIDTH_20;
217 case NL80211_CHAN_WIDTH_40:
218 return CHAN_WIDTH_40;
219 case NL80211_CHAN_WIDTH_80:
220 return CHAN_WIDTH_80;
221 case NL80211_CHAN_WIDTH_80P80:
222 return CHAN_WIDTH_80P80;
223 case NL80211_CHAN_WIDTH_160:
224 return CHAN_WIDTH_160;
225 }
226 return CHAN_WIDTH_UNKNOWN;
227}
228
229
f3407c66 230int is_ap_interface(enum nl80211_iftype nlmode)
b1f625e0 231{
0e80ea2c
JM		 232 return nlmode == NL80211_IFTYPE_AP ||
233 nlmode == NL80211_IFTYPE_P2P_GO;
b1f625e0
EP		 234}
235
236
477af8f8 237int is_sta_interface(enum nl80211_iftype nlmode)
b1f625e0 238{
0e80ea2c
JM		 239 return nlmode == NL80211_IFTYPE_STATION ||
240 nlmode == NL80211_IFTYPE_P2P_CLIENT;
b1f625e0
EP		 241}
242
243
6a71413e 244static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2 245{
0e80ea2c
JM		 246 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
247 nlmode == NL80211_IFTYPE_P2P_GO;
b3af99d2
JM		 248}
249
250
f3407c66
JM		 251struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
252 int ifindex)
5dfbd725
JM		 253{
254 struct i802_bss *bss;
255
256 for (bss = drv->first_bss; bss; bss = bss->next) {
257 if (bss->ifindex == ifindex)
258 return bss;
259 }
260
261 return NULL;
262}
263
264
afb0550a
BC		 265static int is_mesh_interface(enum nl80211_iftype nlmode)
266{
267 return nlmode == NL80211_IFTYPE_MESH_POINT;
268}
269
270
f3407c66 271void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
add9b7a4
JM		 272{
273 if (drv->associated)
274 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
275 drv->associated = 0;
276 os_memset(drv->bssid, 0, ETH_ALEN);
277}
278
279
6241fcb1
JM		 280/* nl80211 code */
281static int ack_handler(struct nl_msg *msg, void *arg)
282{
283 int *err = arg;
284 *err = 0;
285 return NL_STOP;
286}
287
288static int finish_handler(struct nl_msg *msg, void *arg)
289{
8e8df255
JM		 290 int *ret = arg;
291 *ret = 0;
6241fcb1
JM		 292 return NL_SKIP;
293}
294
295static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
296 void *arg)
297{
298 int *ret = arg;
299 *ret = err->error;
300 return NL_SKIP;
301}
302
5b7b85f6
JM		 303
304static int no_seq_check(struct nl_msg *msg, void *arg)
305{
306 return NL_OK;
307}
308
309
bbd89bfc
JM		 310static void nl80211_nlmsg_clear(struct nl_msg *msg)
311{
312 /*
313 * Clear nlmsg data, e.g., to make sure key material is not left in
314 * heap memory for unnecessarily long time.
315 */
316 if (msg) {
317 struct nlmsghdr *hdr = nlmsg_hdr(msg);
318 void *data = nlmsg_data(hdr);
d58ade21
JM		 319 /*
320 * This would use nlmsg_datalen() or the older nlmsg_len() if
321 * only libnl were to maintain a stable API.. Neither will work
322 * with all released versions, so just calculate the length
323 * here.
324 */
325 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
bbd89bfc
JM		 326
327 os_memset(data, 0, len);
328 }
329}
330
331
d6c9aab8 332static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 333 struct nl_handle *nl_handle, struct nl_msg *msg,
334 int (*valid_handler)(struct nl_msg *, void *),
335 void *valid_data)
6241fcb1
JM		 336{
337 struct nl_cb *cb;
338 int err = -ENOMEM;
339
9725b784
JM		 340 if (!msg)
341 return -ENOMEM;
342
d6c9aab8 343 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 344 if (!cb)
345 goto out;
346
58f6fbe0 347 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 348 if (err < 0)
349 goto out;
350
351 err = 1;
352
353 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 354 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 355 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
356
357 if (valid_handler)
358 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
359 valid_handler, valid_data);
360
34068ac3
JM		 361 while (err > 0) {
362 int res = nl_recvmsgs(nl_handle, cb);
d3d04831 363 if (res < 0) {
34068ac3
JM		 364 wpa_printf(MSG_INFO,
365 "nl80211: %s->nl_recvmsgs failed: %d",
366 __func__, res);
367 }
368 }
6241fcb1
JM		 369 out:
370 nl_cb_put(cb);
bbd89bfc
JM		 371 if (!valid_handler && valid_data == (void *) -1)
372 nl80211_nlmsg_clear(msg);
6241fcb1
JM		 373 nlmsg_free(msg);
374 return err;
375}
376
377
f3407c66
JM		 378int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
379 struct nl_msg *msg,
380 int (*valid_handler)(struct nl_msg *, void *),
381 void *valid_data)
58f6fbe0 382{
481234cf 383 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 384 valid_handler, valid_data);
58f6fbe0
JM		 385}
386
387
97865538
JM		 388struct family_data {
389 const char *group;
390 int id;
391};
392
393
394static int family_handler(struct nl_msg *msg, void *arg)
395{
396 struct family_data *res = arg;
397 struct nlattr *tb[CTRL_ATTR_MAX + 1];
398 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
399 struct nlattr *mcgrp;
400 int i;
401
402 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
403 genlmsg_attrlen(gnlh, 0), NULL);
404 if (!tb[CTRL_ATTR_MCAST_GROUPS])
405 return NL_SKIP;
406
407 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
408 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
409 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
410 nla_len(mcgrp), NULL);
411 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
412 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
413 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
414 res->group,
415 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
416 continue;
417 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
418 break;
419 };
420
421 return NL_SKIP;
422}
423
424
d6c9aab8 425static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 426 const char *family, const char *group)
427{
428 struct nl_msg *msg;
a862e4a3 429 int ret;
97865538
JM		 430 struct family_data res = { group, -ENOENT };
431
432 msg = nlmsg_alloc();
433 if (!msg)
434 return -ENOMEM;
a862e4a3
JM		 435 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
436 0, 0, CTRL_CMD_GETFAMILY, 0) ||
437 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
438 nlmsg_free(msg);
439 return -1;
440 }
97865538 441
1033315f 442 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
97865538
JM		 443 if (ret == 0)
444 ret = res.id;
97865538
JM		 445 return ret;
446}
447
448
f3407c66
JM		 449void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
450 struct nl_msg *msg, int flags, uint8_t cmd)
9fb04070 451{
a5a187b0
JM		 452 if (TEST_FAIL())
453 return NULL;
335d42b1 454 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 455 0, flags, cmd, 0);
9fb04070
JM		 456}
457
458
350acc35
JM		 459static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
460{
461 if (bss->wdev_id_set)
462 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
463 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
464}
465
466
07c7757c
JM		 467struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
468{
469 struct nl_msg *msg;
470
471 msg = nlmsg_alloc();
472 if (!msg)
473 return NULL;
474
475 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
476 nl80211_set_iface_id(msg, bss) < 0) {
477 nlmsg_free(msg);
478 return NULL;
479 }
480
481 return msg;
482}
483
484
485static struct nl_msg *
486nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
487 int flags, uint8_t cmd)
488{
489 struct nl_msg *msg;
490
491 msg = nlmsg_alloc();
492 if (!msg)
493 return NULL;
494
495 if (!nl80211_cmd(drv, msg, flags, cmd) ||
496 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
497 nlmsg_free(msg);
498 return NULL;
499 }
500
501 return msg;
502}
503
504
505struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
506 uint8_t cmd)
507{
508 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
509}
510
511
512struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
513{
514 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
515}
516
517
e32ad281
JB		 518struct wiphy_idx_data {
519 int wiphy_idx;
01517c8b 520 enum nl80211_iftype nlmode;
597b94f5 521 u8 *macaddr;
e32ad281
JB		 522};
523
524
525static int netdev_info_handler(struct nl_msg *msg, void *arg)
526{
527 struct nlattr *tb[NL80211_ATTR_MAX + 1];
528 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
529 struct wiphy_idx_data *info = arg;
530
531 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
532 genlmsg_attrlen(gnlh, 0), NULL);
533
534 if (tb[NL80211_ATTR_WIPHY])
535 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
536
01517c8b
JB		 537 if (tb[NL80211_ATTR_IFTYPE])
538 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
539
597b94f5
AS		 540 if (tb[NL80211_ATTR_MAC] && info->macaddr)
541 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
542 ETH_ALEN);
543
e32ad281
JB		 544 return NL_SKIP;
545}
546
547
f3407c66 548int nl80211_get_wiphy_index(struct i802_bss *bss)
e32ad281
JB		 549{
550 struct nl_msg *msg;
551 struct wiphy_idx_data data = {
552 .wiphy_idx = -1,
597b94f5 553 .macaddr = NULL,
e32ad281
JB		 554 };
555
56f77852 556 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 557 return -1;
e32ad281
JB		 558
559 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
560 return data.wiphy_idx;
e32ad281
JB		 561 return -1;
562}
563
564
01517c8b
JB		 565static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
566{
567 struct nl_msg *msg;
568 struct wiphy_idx_data data = {
597b94f5
AS		 569 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
570 .macaddr = NULL,
01517c8b
JB		 571 };
572
56f77852 573 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 574 return NL80211_IFTYPE_UNSPECIFIED;
01517c8b
JB		 575
576 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
577 return data.nlmode;
01517c8b
JB		 578 return NL80211_IFTYPE_UNSPECIFIED;
579}
01517c8b
JB		 580
581
597b94f5
AS		 582static int nl80211_get_macaddr(struct i802_bss *bss)
583{
584 struct nl_msg *msg;
585 struct wiphy_idx_data data = {
586 .macaddr = bss->addr,
587 };
588
56f77852 589 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 590 return -1;
597b94f5 591
597b94f5 592 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
597b94f5 593}
597b94f5
AS		 594
595
e32ad281
JB		 596static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
597 struct nl80211_wiphy_data *w)
598{
599 struct nl_msg *msg;
a862e4a3 600 int ret;
e32ad281
JB		 601
602 msg = nlmsg_alloc();
603 if (!msg)
604 return -1;
605
a862e4a3
JM		 606 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
607 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
608 nlmsg_free(msg);
609 return -1;
610 }
e32ad281 611
481234cf 612 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 613 if (ret) {
614 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
615 "failed: ret=%d (%s)",
616 ret, strerror(-ret));
e32ad281 617 }
e32ad281
JB		 618 return ret;
619}
620
621
622static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
623{
624 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 625 int res;
e32ad281 626
ee9fc67a 627 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 628
34068ac3 629 res = nl_recvmsgs(handle, w->nl_cb);
d3d04831 630 if (res < 0) {
34068ac3
JM		 631 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
632 __func__, res);
633 }
e32ad281
JB		 634}
635
636
637static int process_beacon_event(struct nl_msg *msg, void *arg)
638{
639 struct nl80211_wiphy_data *w = arg;
640 struct wpa_driver_nl80211_data *drv;
641 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
642 struct nlattr *tb[NL80211_ATTR_MAX + 1];
643 union wpa_event_data event;
644
645 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
646 genlmsg_attrlen(gnlh, 0), NULL);
647
648 if (gnlh->cmd != NL80211_CMD_FRAME) {
649 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
650 gnlh->cmd);
651 return NL_SKIP;
652 }
653
654 if (!tb[NL80211_ATTR_FRAME])
655 return NL_SKIP;
656
657 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
658 wiphy_list) {
659 os_memset(&event, 0, sizeof(event));
660 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
661 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
662 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
663 }
664
665 return NL_SKIP;
666}
667
668
669static struct nl80211_wiphy_data *
670nl80211_get_wiphy_data_ap(struct i802_bss *bss)
671{
672 static DEFINE_DL_LIST(nl80211_wiphys);
673 struct nl80211_wiphy_data *w;
674 int wiphy_idx, found = 0;
675 struct i802_bss *tmp_bss;
676
677 if (bss->wiphy_data != NULL)
678 return bss->wiphy_data;
679
680 wiphy_idx = nl80211_get_wiphy_index(bss);
681
682 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
683 if (w->wiphy_idx == wiphy_idx)
684 goto add;
685 }
686
687 /* alloc new one */
688 w = os_zalloc(sizeof(*w));
689 if (w == NULL)
690 return NULL;
691 w->wiphy_idx = wiphy_idx;
692 dl_list_init(&w->bsss);
693 dl_list_init(&w->drvs);
694
695 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
696 if (!w->nl_cb) {
697 os_free(w);
698 return NULL;
699 }
700 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
701 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
702 w);
703
481234cf
JM		 704 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
705 "wiphy beacons");
706 if (w->nl_beacons == NULL) {
e32ad281
JB		 707 os_free(w);
708 return NULL;
709 }
710
711 if (nl80211_register_beacons(bss->drv, w)) {
712 nl_destroy_handles(&w->nl_beacons);
713 os_free(w);
714 return NULL;
715 }
716
5f65e9f7 717 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
e32ad281
JB		 718
719 dl_list_add(&nl80211_wiphys, &w->list);
720
721add:
722 /* drv entry for this bss already there? */
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 add it */
730 if (!found)
731 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
732
733 dl_list_add(&w->bsss, &bss->wiphy_list);
734 bss->wiphy_data = w;
735 return w;
736}
737
738
739static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
740{
741 struct nl80211_wiphy_data *w = bss->wiphy_data;
742 struct i802_bss *tmp_bss;
743 int found = 0;
744
745 if (w == NULL)
746 return;
747 bss->wiphy_data = NULL;
748 dl_list_del(&bss->wiphy_list);
749
750 /* still any for this drv present? */
751 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
752 if (tmp_bss->drv == bss->drv) {
753 found = 1;
754 break;
755 }
756 }
757 /* if not remove it */
758 if (!found)
759 dl_list_del(&bss->drv->wiphy_list);
760
761 if (!dl_list_empty(&w->bsss))
762 return;
763
5f65e9f7 764 nl80211_destroy_eloop_handle(&w->nl_beacons);
e32ad281
JB		 765
766 nl_cb_put(w->nl_cb);
e32ad281
JB		 767 dl_list_del(&w->list);
768 os_free(w);
769}
770
771
45e3fc72
RM		 772static unsigned int nl80211_get_ifindex(void *priv)
773{
774 struct i802_bss *bss = priv;
775 struct wpa_driver_nl80211_data *drv = bss->drv;
776
777 return drv->ifindex;
778}
779
780
3f5285e8
JM		 781static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
782{
a2e40bb6
FF		 783 struct i802_bss *bss = priv;
784 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 785 if (!drv->associated)
786 return -1;
787 os_memcpy(bssid, drv->bssid, ETH_ALEN);
788 return 0;
3f5285e8
JM		 789}
790
791
3f5285e8
JM		 792static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
793{
a2e40bb6
FF		 794 struct i802_bss *bss = priv;
795 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 796 if (!drv->associated)
797 return -1;
798 os_memcpy(ssid, drv->ssid, drv->ssid_len);
799 return drv->ssid_len;
3f5285e8
JM		 800}
801
802
90a545cc 803static void wpa_driver_nl80211_event_newlink(
45e3fc72
RM		 804 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
805 int ifindex, const char *ifname)
3f5285e8
JM		 806{
807 union wpa_event_data event;
808
45e3fc72 809 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 810 if (if_nametoindex(drv->first_bss->ifname) == 0) {
811 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
812 drv->first_bss->ifname);
813 return;
814 }
815 if (!drv->if_removed)
816 return;
817 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
818 drv->first_bss->ifname);
819 drv->if_removed = 0;
820 }
821
3f5285e8 822 os_memset(&event, 0, sizeof(event));
45e3fc72 823 event.interface_status.ifindex = ifindex;
90a545cc
JM		 824 os_strlcpy(event.interface_status.ifname, ifname,
825 sizeof(event.interface_status.ifname));
826 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
45e3fc72
RM		 827 if (drv)
828 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
829 else
830 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
831 &event);
90a545cc
JM		 832}
833
834
835static void wpa_driver_nl80211_event_dellink(
45e3fc72
RM		 836 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
837 int ifindex, const char *ifname)
90a545cc
JM		 838{
839 union wpa_event_data event;
840
45e3fc72 841 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 842 if (drv->if_removed) {
843 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
844 ifname);
845 return;
d1f4942b 846 }
90a545cc
JM		 847 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
848 ifname);
849 drv->if_removed = 1;
850 } else {
851 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
852 ifname);
7524cfb1
JM		 853 }
854
90a545cc 855 os_memset(&event, 0, sizeof(event));
45e3fc72 856 event.interface_status.ifindex = ifindex;
90a545cc
JM		 857 os_strlcpy(event.interface_status.ifname, ifname,
858 sizeof(event.interface_status.ifname));
859 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
45e3fc72
RM		 860 if (drv)
861 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
862 else
863 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
864 &event);
3f5285e8
JM		 865}
866
867
7524cfb1 868static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 869 u8 *buf, size_t len)
7524cfb1 870{
62d680c3 871 int attrlen, rta_len;
7524cfb1
JM		 872 struct rtattr *attr;
873
62d680c3
JM		 874 attrlen = len;
875 attr = (struct rtattr *) buf;
7524cfb1
JM		 876
877 rta_len = RTA_ALIGN(sizeof(struct rtattr));
878 while (RTA_OK(attr, attrlen)) {
879 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 880 if (os_strcmp(((char *) attr) + rta_len,
881 drv->first_bss->ifname) == 0)
7524cfb1
JM		 882 return 1;
883 else
884 break;
885 }
886 attr = RTA_NEXT(attr, attrlen);
887 }
888
889 return 0;
890}
891
892
893static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 894 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 895{
896 if (drv->ifindex == ifindex)
897 return 1;
898
62d680c3 899 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
f51f54a0 900 nl80211_check_global(drv->global);
7524cfb1
JM		 901 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
902 "interface");
0ecff8d7 903 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
7524cfb1
JM		 904 return 1;
905 }
906
907 return 0;
908}
909
910
36d84860
BG		 911static struct wpa_driver_nl80211_data *
912nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
913{
914 struct wpa_driver_nl80211_data *drv;
915 dl_list_for_each(drv, &global->interfaces,
916 struct wpa_driver_nl80211_data, list) {
917 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
732b1d20 918 have_ifidx(drv, idx, IFIDX_ANY))
36d84860
BG		 919 return drv;
920 }
921 return NULL;
922}
923
924
62d680c3
JM		 925static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
926 struct ifinfomsg *ifi,
927 u8 *buf, size_t len)
3f5285e8 928{
36d84860
BG		 929 struct nl80211_global *global = ctx;
930 struct wpa_driver_nl80211_data *drv;
90a545cc 931 int attrlen;
62d680c3 932 struct rtattr *attr;
97cfcf64 933 u32 brid = 0;
aef85ba2 934 char namebuf[IFNAMSIZ];
90a545cc
JM		 935 char ifname[IFNAMSIZ + 1];
936 char extra[100], *pos, *end;
3f5285e8 937
90a545cc
JM		 938 extra[0] = '\0';
939 pos = extra;
940 end = pos + sizeof(extra);
941 ifname[0] = '\0';
942
943 attrlen = len;
944 attr = (struct rtattr *) buf;
945 while (RTA_OK(attr, attrlen)) {
946 switch (attr->rta_type) {
947 case IFLA_IFNAME:
948 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
949 break;
950 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
951 ifname[RTA_PAYLOAD(attr)] = '\0';
952 break;
953 case IFLA_MASTER:
954 brid = nla_get_u32((struct nlattr *) attr);
955 pos += os_snprintf(pos, end - pos, " master=%u", brid);
956 break;
957 case IFLA_WIRELESS:
958 pos += os_snprintf(pos, end - pos, " wext");
959 break;
960 case IFLA_OPERSTATE:
961 pos += os_snprintf(pos, end - pos, " operstate=%u",
962 nla_get_u32((struct nlattr *) attr));
963 break;
964 case IFLA_LINKMODE:
965 pos += os_snprintf(pos, end - pos, " linkmode=%u",
966 nla_get_u32((struct nlattr *) attr));
967 break;
968 }
969 attr = RTA_NEXT(attr, attrlen);
970 }
971 extra[sizeof(extra) - 1] = '\0';
972
f2e90835
JM		 973 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
974 ifi->ifi_index, ifname, extra, ifi->ifi_family,
975 ifi->ifi_flags,
3f5285e8
JM		 976 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
977 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
978 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
979 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4 980
45e3fc72
RM		 981 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
982 if (!drv)
983 goto event_newlink;
984
a63063b4 985 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
106fa1e9 986 namebuf[0] = '\0';
59d24925 987 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 988 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
59d24925
JM		 989 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
990 "event since interface %s is up", namebuf);
7a94120e 991 drv->ignore_if_down_event = 0;
59d24925
JM		 992 return;
993 }
106fa1e9
JM		 994 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
995 namebuf, ifname);
996 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
997 wpa_printf(MSG_DEBUG,
998 "nl80211: Not the main interface (%s) - do not indicate interface down",
999 drv->first_bss->ifname);
1000 } else if (drv->ignore_if_down_event) {
7d9c3698
JM		 1001 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1002 "event generated by mode change");
1003 drv->ignore_if_down_event = 0;
1004 } else {
1005 drv->if_disabled = 1;
1006 wpa_supplicant_event(drv->ctx,
1007 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO		 1008
1009 /*
1010 * Try to get drv again, since it may be removed as
1011 * part of the EVENT_INTERFACE_DISABLED handling for
1012 * dynamic interfaces
1013 */
1014 drv = nl80211_find_drv(global, ifi->ifi_index,
1015 buf, len);
1016 if (!drv)
1017 return;
7d9c3698 1018 }
a63063b4
JM		 1019 }
1020
1021 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2 1022 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1023 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
aef85ba2
JM		 1024 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1025 "event since interface %s is down",
1026 namebuf);
834ee56f 1027 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 1028 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1029 "event since interface %s does not exist",
834ee56f 1030 drv->first_bss->ifname);
d1f4942b
JM		 1031 } else if (drv->if_removed) {
1032 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1033 "event since interface %s is marked "
834ee56f 1034 "removed", drv->first_bss->ifname);
aef85ba2 1035 } else {
3e0272ca
DW		 1036 struct i802_bss *bss;
1037 u8 addr[ETH_ALEN];
1038
1039 /* Re-read MAC address as it may have changed */
1040 bss = get_bss_ifindex(drv, ifi->ifi_index);
1041 if (bss &&
1042 linux_get_ifhwaddr(drv->global->ioctl_sock,
1043 bss->ifname, addr) < 0) {
1044 wpa_printf(MSG_DEBUG,
1045 "nl80211: %s: failed to re-read MAC address",
1046 bss->ifname);
1047 } else if (bss &&
1048 os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1049 wpa_printf(MSG_DEBUG,
1050 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1051 MACSTR " to " MACSTR,
1052 ifi->ifi_index, bss->ifname,
1053 MAC2STR(bss->addr),
1054 MAC2STR(addr));
1055 os_memcpy(bss->addr, addr, ETH_ALEN);
1056 }
1057
aef85ba2
JM		 1058 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1059 drv->if_disabled = 0;
1060 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1061 NULL);
1062 }
a63063b4
JM		 1063 }
1064
3f5285e8
JM		 1065 /*
1066 * Some drivers send the association event before the operup event--in
1067 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1068 * fails. This will hit us when wpa_supplicant does not need to do
1069 * IEEE 802.1X authentication
1070 */
1071 if (drv->operstate == 1 &&
1072 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM		 1073 !(ifi->ifi_flags & IFF_RUNNING)) {
1074 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1075 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1076 -1, IF_OPER_UP);
3f5285e8 1077 }
97cfcf64 1078
45e3fc72 1079event_newlink:
90a545cc 1080 if (ifname[0])
45e3fc72
RM		 1081 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1082 ifname);
90a545cc 1083
45e3fc72 1084 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
392dfd37
JM		 1085 struct i802_bss *bss;
1086
97cfcf64 1087 /* device has been added to bridge */
40e76396
JM		 1088 if (!if_indextoname(brid, namebuf)) {
1089 wpa_printf(MSG_DEBUG,
1090 "nl80211: Could not find bridge ifname for ifindex %u",
1091 brid);
1092 return;
1093 }
97cfcf64
B		 1094 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1095 brid, namebuf);
732b1d20 1096 add_ifidx(drv, brid, ifi->ifi_index);
392dfd37
JM		 1097
1098 for (bss = drv->first_bss; bss; bss = bss->next) {
1099 if (os_strcmp(ifname, bss->ifname) == 0) {
1100 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1101 break;
1102 }
1103 }
97cfcf64 1104 }
3f5285e8
JM		 1105}
1106
1107
62d680c3
JM		 1108static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1109 struct ifinfomsg *ifi,
1110 u8 *buf, size_t len)
3f5285e8 1111{
36d84860
BG		 1112 struct nl80211_global *global = ctx;
1113 struct wpa_driver_nl80211_data *drv;
90a545cc 1114 int attrlen;
62d680c3 1115 struct rtattr *attr;
97cfcf64 1116 u32 brid = 0;
90a545cc 1117 char ifname[IFNAMSIZ + 1];
f2e90835 1118 char extra[100], *pos, *end;
3f5285e8 1119
f2e90835
JM		 1120 extra[0] = '\0';
1121 pos = extra;
1122 end = pos + sizeof(extra);
90a545cc
JM		 1123 ifname[0] = '\0';
1124
62d680c3
JM		 1125 attrlen = len;
1126 attr = (struct rtattr *) buf;
3f5285e8 1127 while (RTA_OK(attr, attrlen)) {
90a545cc
JM		 1128 switch (attr->rta_type) {
1129 case IFLA_IFNAME:
1130 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1131 break;
1132 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1133 ifname[RTA_PAYLOAD(attr)] = '\0';
1134 break;
1135 case IFLA_MASTER:
97cfcf64 1136 brid = nla_get_u32((struct nlattr *) attr);
f2e90835
JM		 1137 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1138 break;
1139 case IFLA_OPERSTATE:
1140 pos += os_snprintf(pos, end - pos, " operstate=%u",
1141 nla_get_u32((struct nlattr *) attr));
1142 break;
1143 case IFLA_LINKMODE:
1144 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1145 nla_get_u32((struct nlattr *) attr));
90a545cc
JM		 1146 break;
1147 }
3f5285e8
JM		 1148 attr = RTA_NEXT(attr, attrlen);
1149 }
f2e90835
JM		 1150 extra[sizeof(extra) - 1] = '\0';
1151
1152 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1153 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1154 ifi->ifi_flags,
1155 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1156 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1157 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1158 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
97cfcf64 1159
45e3fc72 1160 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
90a545cc 1161
45e3fc72 1162 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
97cfcf64
B		 1163 /* device has been removed from bridge */
1164 char namebuf[IFNAMSIZ];
40e76396
JM		 1165
1166 if (!if_indextoname(brid, namebuf)) {
1167 wpa_printf(MSG_DEBUG,
1168 "nl80211: Could not find bridge ifname for ifindex %u",
1169 brid);
1170 } else {
1171 wpa_printf(MSG_DEBUG,
1172 "nl80211: Remove ifindex %u for bridge %s",
1173 brid, namebuf);
1174 }
732b1d20 1175 del_ifidx(drv, brid, ifi->ifi_index);
97cfcf64 1176 }
45e3fc72
RM		 1177
1178 if (ifi->ifi_family != AF_BRIDGE || !brid)
1179 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1180 ifname);
3f5285e8
JM		 1181}
1182
1183
f3407c66 1184unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
f5a8d422
JM		 1185{
1186 struct nl_msg *msg;
1187 int ret;
1188 struct nl80211_bss_info_arg arg;
1189
9725b784 1190 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422 1191 os_memset(&arg, 0, sizeof(arg));
f5a8d422
JM		 1192 arg.drv = drv;
1193 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
f5a8d422 1194 if (ret == 0) {
c7caac56
JM		 1195 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1196 arg.ibss_freq : arg.assoc_freq;
f5a8d422 1197 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
c7caac56
JM		 1198 "associated BSS from scan results: %u MHz", freq);
1199 if (freq)
1200 drv->assoc_freq = freq;
30158a0d 1201 return drv->assoc_freq;
f5a8d422
JM		 1202 }
1203 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1204 "(%s)", ret, strerror(-ret));
f5a8d422
JM		 1205 return drv->assoc_freq;
1206}
1207
1208
60a972a6
JM		 1209static int get_link_signal(struct nl_msg *msg, void *arg)
1210{
1211 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1212 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1213 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1214 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1215 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1216 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
74fa78b2 1217 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1218 };
7ee35bf3
PS		 1219 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1220 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1221 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1222 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1223 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1224 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1225 };
1c5c7273 1226 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1227
1228 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1229 genlmsg_attrlen(gnlh, 0), NULL);
1230 if (!tb[NL80211_ATTR_STA_INFO] ||
1231 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1232 tb[NL80211_ATTR_STA_INFO], policy))
1233 return NL_SKIP;
1234 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1235 return NL_SKIP;
1236
7ee35bf3
PS		 1237 sig_change->current_signal =
1238 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1239
95783298
AO		 1240 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1241 sig_change->avg_signal =
1242 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1243 else
1244 sig_change->avg_signal = 0;
1245
74fa78b2
JM		 1246 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1247 sig_change->avg_beacon_signal =
1248 (s8)
1249 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1250 else
1251 sig_change->avg_beacon_signal = 0;
1252
7ee35bf3
PS		 1253 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1254 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1255 sinfo[NL80211_STA_INFO_TX_BITRATE],
1256 rate_policy)) {
1257 sig_change->current_txrate = 0;
1258 } else {
1259 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1260 sig_change->current_txrate =
1261 nla_get_u16(rinfo[
1262 NL80211_RATE_INFO_BITRATE]) * 100;
1263 }
1264 }
1265 }
1266
60a972a6
JM		 1267 return NL_SKIP;
1268}
1269
1270
f3407c66
JM		 1271int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1272 struct wpa_signal_info *sig)
60a972a6
JM		 1273{
1274 struct nl_msg *msg;
1275
7ee35bf3
PS		 1276 sig->current_signal = -9999;
1277 sig->current_txrate = 0;
60a972a6 1278
9725b784 1279 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
a862e4a3
JM		 1280 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1281 nlmsg_free(msg);
1282 return -ENOBUFS;
1283 }
60a972a6
JM		 1284
1285 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
60a972a6
JM		 1286}
1287
1288
7ee35bf3
PS		 1289static int get_link_noise(struct nl_msg *msg, void *arg)
1290{
1291 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1292 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1293 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1294 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1295 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1296 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1297 };
1c5c7273 1298 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 1299
1300 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1301 genlmsg_attrlen(gnlh, 0), NULL);
1302
1303 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1304 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1305 return NL_SKIP;
1306 }
1307
1308 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1309 tb[NL80211_ATTR_SURVEY_INFO],
1310 survey_policy)) {
1311 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1312 "attributes!");
1313 return NL_SKIP;
1314 }
1315
1316 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1317 return NL_SKIP;
1318
1319 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1320 sig_change->frequency)
1321 return NL_SKIP;
1322
1323 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1324 return NL_SKIP;
1325
1326 sig_change->current_noise =
1327 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1328
1329 return NL_SKIP;
1330}
1331
1332
f3407c66
JM		 1333int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1334 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 1335{
1336 struct nl_msg *msg;
1337
1338 sig_change->current_noise = 9999;
1339 sig_change->frequency = drv->assoc_freq;
1340
9725b784 1341 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3 1342 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
7ee35bf3
PS		 1343}
1344
1345
97865538 1346static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 1347 void *handle)
97865538 1348{
a4ae123c 1349 struct nl_cb *cb = eloop_ctx;
34068ac3 1350 int res;
97865538 1351
cc2ada86 1352 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 1353
34068ac3 1354 res = nl_recvmsgs(handle, cb);
d3d04831 1355 if (res < 0) {
34068ac3
JM		 1356 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1357 __func__, res);
1358 }
97865538
JM		 1359}
1360
1361
6d158490
LR		 1362/**
1363 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1364 * @priv: driver_nl80211 private data
1365 * @alpha2_arg: country to which to switch to
1366 * Returns: 0 on success, -1 on failure
1367 *
1368 * This asks nl80211 to set the regulatory domain for given
1369 * country ISO / IEC alpha2.
1370 */
1371static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1372{
a2e40bb6
FF		 1373 struct i802_bss *bss = priv;
1374 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 1375 char alpha2[3];
1376 struct nl_msg *msg;
1377
1378 msg = nlmsg_alloc();
1379 if (!msg)
e785c2ba 1380 return -ENOMEM;
6d158490
LR		 1381
1382 alpha2[0] = alpha2_arg[0];
1383 alpha2[1] = alpha2_arg[1];
1384 alpha2[2] = '\0';
1385
a862e4a3
JM		 1386 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1387 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1388 nlmsg_free(msg);
1389 return -EINVAL;
1390 }
6d158490
LR		 1391 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1392 return -EINVAL;
1393 return 0;
6d158490
LR		 1394}
1395
1396
f0793bf1
JM		 1397static int nl80211_get_country(struct nl_msg *msg, void *arg)
1398{
1399 char *alpha2 = arg;
1400 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1401 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1402
1403 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1404 genlmsg_attrlen(gnlh, 0), NULL);
1405 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1406 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1407 return NL_SKIP;
1408 }
1409 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1410 return NL_SKIP;
1411}
1412
1413
1414static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1415{
1416 struct i802_bss *bss = priv;
1417 struct wpa_driver_nl80211_data *drv = bss->drv;
1418 struct nl_msg *msg;
1419 int ret;
1420
1421 msg = nlmsg_alloc();
1422 if (!msg)
1423 return -ENOMEM;
1424
1425 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1426 alpha2[0] = '\0';
1427 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1428 if (!alpha2[0])
1429 ret = -1;
1430
1431 return ret;
1432}
1433
1434
2a7b66f5
BG		 1435static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1436{
d6c9aab8
JB		 1437 int ret;
1438
2a7b66f5
BG		 1439 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1440 if (global->nl_cb == NULL) {
1441 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1442 "callbacks");
1443 return -1;
1444 }
1445
481234cf
JM		 1446 global->nl = nl_create_handle(global->nl_cb, "nl");
1447 if (global->nl == NULL)
d6c9aab8 1448 goto err;
276e2d67 1449
481234cf 1450 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 1451 if (global->nl80211_id < 0) {
276e2d67
BG		 1452 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1453 "found");
d6c9aab8 1454 goto err;
276e2d67
BG		 1455 }
1456
481234cf
JM		 1457 global->nl_event = nl_create_handle(global->nl_cb, "event");
1458 if (global->nl_event == NULL)
d6c9aab8 1459 goto err;
9fff9fdc 1460
d6c9aab8 1461 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 1462 if (ret >= 0)
481234cf 1463 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 1464 if (ret < 0) {
1465 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1466 "membership for scan events: %d (%s)",
1467 ret, strerror(-ret));
d6c9aab8 1468 goto err;
97865538 1469 }
c2a04078 1470
d6c9aab8 1471 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 1472 if (ret >= 0)
481234cf 1473 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 1474 if (ret < 0) {
1475 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1476 "membership for mlme events: %d (%s)",
1477 ret, strerror(-ret));
d6c9aab8 1478 goto err;
c2a04078 1479 }
c2a04078 1480
d6c9aab8 1481 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 1482 if (ret >= 0)
481234cf 1483 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 1484 if (ret < 0) {
1485 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1486 "membership for regulatory events: %d (%s)",
1487 ret, strerror(-ret));
1488 /* Continue without regulatory events */
1489 }
1490
17b79e65
JM		 1491 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1492 if (ret >= 0)
1493 ret = nl_socket_add_membership(global->nl_event, ret);
1494 if (ret < 0) {
1495 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1496 "membership for vendor events: %d (%s)",
1497 ret, strerror(-ret));
1498 /* Continue without vendor events */
1499 }
1500
d6c9aab8
JB		 1501 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1502 no_seq_check, NULL);
1503 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1504 process_global_event, global);
1505
5f65e9f7
JB		 1506 nl80211_register_eloop_read(&global->nl_event,
1507 wpa_driver_nl80211_event_receive,
1508 global->nl_cb);
d6c9aab8
JB		 1509
1510 return 0;
1511
1512err:
1513 nl_destroy_handles(&global->nl_event);
1514 nl_destroy_handles(&global->nl);
1515 nl_cb_put(global->nl_cb);
671a5039 1516 global->nl_cb = NULL;
d6c9aab8
JB		 1517 return -1;
1518}
1519
1520
f51f54a0
JM		 1521static void nl80211_check_global(struct nl80211_global *global)
1522{
1523 struct nl_handle *handle;
1524 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1525 int ret;
1526 unsigned int i;
1527
1528 /*
1529 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1530 * and all registration having been cleared.
1531 */
1532 handle = (void *) (((intptr_t) global->nl_event) ^
1533 ELOOP_SOCKET_INVALID);
1534
1535 for (i = 0; groups[i]; i++) {
1536 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1537 if (ret >= 0)
1538 ret = nl_socket_add_membership(handle, ret);
1539 if (ret < 0) {
1540 wpa_printf(MSG_INFO,
1541 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1542 groups[i], ret, strerror(-ret));
1543 }
1544 }
1545}
1546
1547
8401a6b0
JM		 1548static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1549{
6da504a1
IP		 1550 struct wpa_driver_nl80211_data *drv = ctx;
1551
8401a6b0 1552 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
6da504a1 1553
a63063b4 1554 /*
6da504a1
IP		 1555 * rtnetlink ifdown handler will report interfaces other than the P2P
1556 * Device interface as disabled.
a63063b4 1557 */
6da504a1
IP		 1558 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1559 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
8401a6b0
JM		 1560}
1561
1562
1563static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1564{
1565 struct wpa_driver_nl80211_data *drv = ctx;
1566 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 1567 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 1568 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1569 "after rfkill unblock");
1570 return;
1571 }
e8dc205f
AO		 1572
1573 if (is_p2p_net_interface(drv->nlmode))
1574 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1575
6da504a1
IP		 1576 /*
1577 * rtnetlink ifup handler will report interfaces other than the P2P
1578 * Device interface as enabled.
1579 */
1580 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1581 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
8401a6b0
JM		 1582}
1583
1584
32ab4855
JB		 1585static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1586 void *eloop_ctx,
1587 void *handle)
1588{
1589 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1590 u8 data[2048];
1591 struct msghdr msg;
1592 struct iovec entry;
cad0f50e 1593 u8 control[512];
32ab4855
JB		 1594 struct cmsghdr *cmsg;
1595 int res, found_ee = 0, found_wifi = 0, acked = 0;
1596 union wpa_event_data event;
1597
1598 memset(&msg, 0, sizeof(msg));
1599 msg.msg_iov = &entry;
1600 msg.msg_iovlen = 1;
1601 entry.iov_base = data;
1602 entry.iov_len = sizeof(data);
1603 msg.msg_control = &control;
1604 msg.msg_controllen = sizeof(control);
1605
1606 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1607 /* if error or not fitting 802.3 header, return */
1608 if (res < 14)
1609 return;
1610
1611 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1612 {
1613 if (cmsg->cmsg_level == SOL_SOCKET &&
1614 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1615 int *ack;
1616
1617 found_wifi = 1;
1618 ack = (void *)CMSG_DATA(cmsg);
1619 acked = *ack;
1620 }
1621
1622 if (cmsg->cmsg_level == SOL_PACKET &&
1623 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1624 struct sock_extended_err *err =
1625 (struct sock_extended_err *)CMSG_DATA(cmsg);
1626
1627 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1628 found_ee = 1;
1629 }
1630 }
1631
1632 if (!found_ee || !found_wifi)
1633 return;
1634
1635 memset(&event, 0, sizeof(event));
1636 event.eapol_tx_status.dst = data;
1637 event.eapol_tx_status.data = data + 14;
1638 event.eapol_tx_status.data_len = res - 14;
1639 event.eapol_tx_status.ack = acked;
1640 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1641}
1642
1643
cc7a48d1
JB		 1644static int nl80211_init_bss(struct i802_bss *bss)
1645{
1646 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1647 if (!bss->nl_cb)
1648 return -1;
1649
1650 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1651 no_seq_check, NULL);
1652 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1653 process_bss_event, bss);
1654
1655 return 0;
1656}
1657
1658
1659static void nl80211_destroy_bss(struct i802_bss *bss)
1660{
1661 nl_cb_put(bss->nl_cb);
1662 bss->nl_cb = NULL;
1663}
1664
1665
0e92fb8f
JB		 1666static void
1667wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1668{
1669 struct rfkill_config *rcfg;
1670
1671 if (drv->rfkill)
1672 return;
1673
1674 rcfg = os_zalloc(sizeof(*rcfg));
1675 if (!rcfg)
1676 return;
1677
1678 rcfg->ctx = drv;
1679
1680 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1681 * not associated with a netdev, so use the name of some other interface
1682 * sharing the same wiphy as the P2P Device interface.
1683 *
1684 * Note: This is valid, as a P2P Device interface is always dynamically
1685 * created and is created only once another wpa_s interface was added.
1686 */
1687 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1688 struct nl80211_global *global = drv->global;
1689 struct wpa_driver_nl80211_data *tmp1;
1690
1691 dl_list_for_each(tmp1, &global->interfaces,
1692 struct wpa_driver_nl80211_data, list) {
1693 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1694 !tmp1->rfkill)
1695 continue;
1696
1697 wpa_printf(MSG_DEBUG,
1698 "nl80211: Use (%s) to initialize P2P Device rfkill",
1699 tmp1->first_bss->ifname);
1700 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1701 sizeof(rcfg->ifname));
1702 break;
1703 }
1704 } else {
1705 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1706 sizeof(rcfg->ifname));
1707 }
1708
1709 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1710 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1711 drv->rfkill = rfkill_init(rcfg);
1712 if (!drv->rfkill) {
1713 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1714 os_free(rcfg);
1715 }
1716}
1717
1718
0d547d5f
JM		 1719static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1720 void *global_priv, int hostapd,
0ecff8d7
JM		 1721 const u8 *set_addr,
1722 const char *driver_params)
9fff9fdc 1723{
9fff9fdc 1724 struct wpa_driver_nl80211_data *drv;
a2e40bb6 1725 struct i802_bss *bss;
9fff9fdc 1726
a5c696ad
JM		 1727 if (global_priv == NULL)
1728 return NULL;
9fff9fdc
JM		 1729 drv = os_zalloc(sizeof(*drv));
1730 if (drv == NULL)
1731 return NULL;
f2ed8023 1732 drv->global = global_priv;
9fff9fdc 1733 drv->ctx = ctx;
0d547d5f
JM		 1734 drv->hostapd = !!hostapd;
1735 drv->eapol_sock = -1;
64ae2447
JM		 1736
1737 /*
1738 * There is no driver capability flag for this, so assume it is
1739 * supported and disable this on first attempt to use if the driver
1740 * rejects the command due to missing support.
1741 */
1742 drv->set_rekey_offload = 1;
1743
0d547d5f
JM		 1744 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1745 drv->if_indices = drv->default_if_indices;
732b1d20 1746 drv->if_indices_reason = drv->default_if_indices_reason;
834ee56f
KP		 1747
1748 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1749 if (!drv->first_bss) {
1750 os_free(drv);
1751 return NULL;
1752 }
1753 bss = drv->first_bss;
a2e40bb6 1754 bss->drv = drv;
a5e1eb20
SE		 1755 bss->ctx = ctx;
1756
a2e40bb6 1757 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 1758 drv->monitor_ifidx = -1;
1759 drv->monitor_sock = -1;
d12dab4c 1760 drv->eapol_tx_sock = -1;
b1f625e0 1761 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 1762
cc7a48d1
JB		 1763 if (nl80211_init_bss(bss))
1764 goto failed;
1765
0ecff8d7 1766 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
bbaf0837 1767 goto failed;
7524cfb1 1768
d12dab4c 1769 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 1770 if (drv->eapol_tx_sock < 0)
1771 goto failed;
1772
1773 if (drv->data_tx_status) {
1774 int enabled = 1;
1775
1776 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1777 &enabled, sizeof(enabled)) < 0) {
1778 wpa_printf(MSG_DEBUG,
1779 "nl80211: wifi status sockopt failed\n");
1780 drv->data_tx_status = 0;
a11241fa
JB		 1781 if (!drv->use_monitor)
1782 drv->capa.flags &=
1783 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 1784 } else {
1785 eloop_register_read_sock(drv->eapol_tx_sock,
1786 wpa_driver_nl80211_handle_eapol_tx_status,
1787 drv, NULL);
1788 }
1789 }
f10bfc9a 1790
dac12351 1791 if (drv->global) {
f51f54a0 1792 nl80211_check_global(drv->global);
c4bb8817 1793 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 1794 drv->in_interface_list = 1;
1795 }
c4bb8817 1796
a2e40bb6 1797 return bss;
7524cfb1 1798
bbaf0837 1799failed:
dac12351 1800 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 1801 return NULL;
1802}
1803
1804
0d547d5f
JM		 1805/**
1806 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1807 * @ctx: context to be used when calling wpa_supplicant functions,
1808 * e.g., wpa_supplicant_event()
1809 * @ifname: interface name, e.g., wlan0
1810 * @global_priv: private driver global data from global_init()
1811 * Returns: Pointer to private data, %NULL on failure
1812 */
1813static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1814 void *global_priv)
1815{
0ecff8d7
JM		 1816 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1817 NULL);
0d547d5f
JM		 1818}
1819
1820
a11241fa 1821static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 1822 struct nl_handle *nl_handle,
bd94971e 1823 u16 type, const u8 *match, size_t match_len)
58f6fbe0 1824{
a11241fa 1825 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 1826 struct nl_msg *msg;
a862e4a3 1827 int ret;
880de885 1828 char buf[30];
58f6fbe0 1829
880de885
JM		 1830 buf[0] = '\0';
1831 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
dedfa440
PF		 1832 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1833 type, fc2str(type), nl_handle, buf);
36488c05 1834
56f77852 1835 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
a862e4a3
JM		 1836 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1837 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1838 nlmsg_free(msg);
1839 return -1;
1840 }
58f6fbe0 1841
d6c9aab8 1842 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0 1843 if (ret) {
5582a5d1
JB		 1844 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1845 "failed (type=%u): ret=%d (%s)",
1846 type, ret, strerror(-ret));
1847 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0 1848 match, match_len);
58f6fbe0 1849 }
58f6fbe0
JM		 1850 return ret;
1851}
1852
1853
a11241fa
JB		 1854static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1855{
481234cf 1856 if (bss->nl_mgmt) {
a11241fa 1857 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 1858 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 1859 return -1;
1860 }
1861
ce20a370 1862 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
481234cf 1863 if (bss->nl_mgmt == NULL)
a11241fa
JB		 1864 return -1;
1865
a11241fa
JB		 1866 return 0;
1867}
1868
1869
5f65e9f7
JB		 1870static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1871{
1872 nl80211_register_eloop_read(&bss->nl_mgmt,
1873 wpa_driver_nl80211_event_receive,
1874 bss->nl_cb);
1875}
1876
1877
a11241fa 1878static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 1879 const u8 *match, size_t match_len)
1880{
1881 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 1882 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 1883 type, match, match_len);
bd94971e
JB		 1884}
1885
1886
a11241fa 1887static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 1888{
a11241fa 1889 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 1890 int ret = 0;
a11241fa
JB		 1891
1892 if (nl80211_alloc_mgmt_handle(bss))
1893 return -1;
36488c05
JM		 1894 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
1895 "handle %p", bss->nl_mgmt);
a11241fa 1896
e8d1168b
JB		 1897 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
1898 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1899
1900 /* register for any AUTH message */
1901 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
1902 }
1903
56f5af48
JM		 1904#ifdef CONFIG_INTERWORKING
1905 /* QoS Map Configure */
1906 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 1907 ret = -1;
56f5af48 1908#endif /* CONFIG_INTERWORKING */
4fe9fa0d 1909#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 1910 /* GAS Initial Request */
a11241fa 1911 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 1912 ret = -1;
046b26a2 1913 /* GAS Initial Response */
a11241fa 1914 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 1915 ret = -1;
18708aad 1916 /* GAS Comeback Request */
a11241fa 1917 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 1918 ret = -1;
18708aad 1919 /* GAS Comeback Response */
a11241fa 1920 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 1921 ret = -1;
c5a64e2d
JM		 1922 /* Protected GAS Initial Request */
1923 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
1924 ret = -1;
1925 /* Protected GAS Initial Response */
1926 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
1927 ret = -1;
1928 /* Protected GAS Comeback Request */
1929 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
1930 ret = -1;
1931 /* Protected GAS Comeback Response */
1932 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
1933 ret = -1;
4fe9fa0d
JM		 1934#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
1935#ifdef CONFIG_P2P
046b26a2 1936 /* P2P Public Action */
a11241fa 1937 if (nl80211_register_action_frame(bss,
046b26a2
JM		 1938 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
1939 6) < 0)
6f06766e 1940 ret = -1;
046b26a2 1941 /* P2P Action */
a11241fa 1942 if (nl80211_register_action_frame(bss,
046b26a2
JM		 1943 (u8 *) "\x7f\x50\x6f\x9a\x09",
1944 5) < 0)
6f06766e 1945 ret = -1;
046b26a2 1946#endif /* CONFIG_P2P */
7d878ca7
JM		 1947#ifdef CONFIG_IEEE80211W
1948 /* SA Query Response */
a11241fa 1949 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 1950 ret = -1;
7d878ca7 1951#endif /* CONFIG_IEEE80211W */
35287637
AN		 1952#ifdef CONFIG_TDLS
1953 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
1954 /* TDLS Discovery Response */
aa543c0c 1955 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 1956 0)
6f06766e 1957 ret = -1;
35287637
AN		 1958 }
1959#endif /* CONFIG_TDLS */
46ab9b8c
AN		 1960#ifdef CONFIG_FST
1961 /* FST Action frames */
1962 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
1963 ret = -1;
1964#endif /* CONFIG_FST */
046b26a2 1965
7b90c16a 1966 /* FT Action frames */
a11241fa 1967 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 1968 ret = -1;
7b90c16a
JM		 1969 else
1970 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
1971 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
1972
71269b37 1973 /* WNM - BSS Transition Management Request */
a11241fa 1974 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 1975 ret = -1;
bd896433
JM		 1976 /* WNM-Sleep Mode Response */
1977 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 1978 ret = -1;
a11241fa 1979
95a3ea94
JM		 1980#ifdef CONFIG_HS20
1981 /* WNM-Notification */
1982 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
3ee18569 1983 ret = -1;
95a3ea94
JM		 1984#endif /* CONFIG_HS20 */
1985
dfa87878
MB		 1986 /* WMM-AC ADDTS Response */
1987 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
730a0d16 1988 ret = -1;
dfa87878
MB		 1989
1990 /* WMM-AC DELTS */
1991 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
730a0d16 1992 ret = -1;
dfa87878 1993
2526ccd9
AK		 1994 /* Radio Measurement - Neighbor Report Response */
1995 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
1996 ret = -1;
1997
864b9522
DS		 1998 /* Radio Measurement - Radio Measurement Request */
1999 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2000 ret = -1;
2001
7dc03388
AO		 2002 /* Radio Measurement - Link Measurement Request */
2003 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2004 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2005 ret = -1;
2006
5f65e9f7
JB		 2007 nl80211_mgmt_handle_register_eloop(bss);
2008
6f06766e 2009 return ret;
a11241fa
JB		 2010}
2011
2012
afb0550a
BC		 2013static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2014{
2015 int ret = 0;
2016
2017 if (nl80211_alloc_mgmt_handle(bss))
2018 return -1;
2019
2020 wpa_printf(MSG_DEBUG,
2021 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2022 bss->nl_mgmt);
2023
2024 /* Auth frames for mesh SAE */
2025 if (nl80211_register_frame(bss, bss->nl_mgmt,
2026 (WLAN_FC_TYPE_MGMT << 2) |
2027 (WLAN_FC_STYPE_AUTH << 4),
2028 NULL, 0) < 0)
2029 ret = -1;
2030
2031 /* Mesh peering open */
2032 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2033 ret = -1;
2034 /* Mesh peering confirm */
2035 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2036 ret = -1;
2037 /* Mesh peering close */
2038 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2039 ret = -1;
2040
2041 nl80211_mgmt_handle_register_eloop(bss);
2042
2043 return ret;
2044}
2045
2046
02bb32c3
JB		 2047static int nl80211_register_spurious_class3(struct i802_bss *bss)
2048{
02bb32c3 2049 struct nl_msg *msg;
a862e4a3 2050 int ret;
02bb32c3 2051
13f83980
JM		 2052 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2053 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 2054 if (ret) {
2055 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2056 "failed: ret=%d (%s)",
2057 ret, strerror(-ret));
02bb32c3 2058 }
02bb32c3
JB		 2059 return ret;
2060}
2061
2062
4d916ed6
KV		 2063static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2064{
2065 int ret = 0;
2066
2067 /* Public Action frames */
2068 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2069 ret = -1;
2070 /* RRM Measurement Report */
2071 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2072 ret = -1;
2073 /* RRM Neighbor Report Request */
2074 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2075 ret = -1;
2076 /* FT Action frames */
2077 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2078 ret = -1;
2079#ifdef CONFIG_IEEE80211W
2080 /* SA Query */
2081 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2082 ret = -1;
2083#endif /* CONFIG_IEEE80211W */
2084 /* Protected Dual of Public Action */
2085 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2086 ret = -1;
2087 /* WNM */
2088 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2089 ret = -1;
2090 /* WMM */
2091 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2092 ret = -1;
2093#ifdef CONFIG_FST
2094 /* FST Action frames */
2095 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2096 ret = -1;
2097#endif /* CONFIG_FST */
2098 /* Vendor-specific */
2099 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2100 ret = -1;
2101
2102 return ret;
2103}
2104
2105
a11241fa
JB		 2106static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2107{
2108 static const int stypes[] = {
2109 WLAN_FC_STYPE_AUTH,
2110 WLAN_FC_STYPE_ASSOC_REQ,
2111 WLAN_FC_STYPE_REASSOC_REQ,
2112 WLAN_FC_STYPE_DISASSOC,
2113 WLAN_FC_STYPE_DEAUTH,
a11241fa
JB		 2114 WLAN_FC_STYPE_PROBE_REQ,
2115/* Beacon doesn't work as mac80211 doesn't currently allow
2116 * it, but it wouldn't really be the right thing anyway as
2117 * it isn't per interface ... maybe just dump the scan
2118 * results periodically for OLBC?
2119 */
0e80ea2c 2120 /* WLAN_FC_STYPE_BEACON, */
a11241fa
JB		 2121 };
2122 unsigned int i;
2123
2124 if (nl80211_alloc_mgmt_handle(bss))
71269b37 2125 return -1;
36488c05
JM		 2126 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2127 "handle %p", bss->nl_mgmt);
71269b37 2128
e7ecab4a 2129 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 2130 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 2131 (WLAN_FC_TYPE_MGMT << 2) |
2132 (stypes[i] << 4),
2133 NULL, 0) < 0) {
2134 goto out_err;
2135 }
2136 }
2137
4d916ed6
KV		 2138 if (nl80211_action_subscribe_ap(bss))
2139 goto out_err;
2140
02bb32c3
JB		 2141 if (nl80211_register_spurious_class3(bss))
2142 goto out_err;
2143
e32ad281
JB		 2144 if (nl80211_get_wiphy_data_ap(bss) == NULL)
2145 goto out_err;
2146
5f65e9f7 2147 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 2148 return 0;
a11241fa
JB		 2149
2150out_err:
a11241fa
JB		 2151 nl_destroy_handles(&bss->nl_mgmt);
2152 return -1;
2153}
2154
2155
a6cc0602
JM		 2156static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2157{
2158 if (nl80211_alloc_mgmt_handle(bss))
2159 return -1;
2160 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2161 "handle %p (device SME)", bss->nl_mgmt);
2162
4d916ed6 2163 if (nl80211_action_subscribe_ap(bss))
a6cc0602
JM		 2164 goto out_err;
2165
5f65e9f7 2166 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 2167 return 0;
2168
2169out_err:
a6cc0602
JM		 2170 nl_destroy_handles(&bss->nl_mgmt);
2171 return -1;
2172}
2173
2174
36488c05 2175static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 2176{
481234cf 2177 if (bss->nl_mgmt == NULL)
a11241fa 2178 return;
36488c05
JM		 2179 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2180 "(%s)", bss->nl_mgmt, reason);
5f65e9f7 2181 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
e32ad281
JB		 2182
2183 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 2184}
2185
2186
8401a6b0
JM		 2187static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2188{
2189 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2190}
2191
2192
eb4582f2
AS		 2193static void nl80211_del_p2pdev(struct i802_bss *bss)
2194{
eb4582f2
AS		 2195 struct nl_msg *msg;
2196 int ret;
2197
a3249fdf
JM		 2198 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2199 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
eb4582f2
AS		 2200
2201 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2202 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2203 strerror(-ret));
eb4582f2
AS		 2204}
2205
2206
eb4582f2 2207static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483 2208{
f632e483 2209 struct nl_msg *msg;
a862e4a3 2210 int ret;
f632e483 2211
a3249fdf
JM		 2212 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2213 NL80211_CMD_STOP_P2P_DEVICE);
2214 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
f632e483 2215
eb4582f2
AS		 2216 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2217 start ? "Start" : "Stop",
2218 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2219 strerror(-ret));
f632e483
AS		 2220 return ret;
2221}
f632e483
AS		 2222
2223
91724d6f
AS		 2224static int i802_set_iface_flags(struct i802_bss *bss, int up)
2225{
2226 enum nl80211_iftype nlmode;
2227
2228 nlmode = nl80211_get_ifmode(bss);
2229 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2230 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2231 bss->ifname, up);
2232 }
2233
2234 /* P2P Device has start/stop which is equivalent */
2235 return nl80211_set_p2pdev(bss, up);
2236}
2237
2238
1db718b3
JM		 2239#ifdef CONFIG_TESTING_OPTIONS
2240static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2241{
2242 /* struct wpa_driver_nl80211_data *drv = arg; */
2243 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2244 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2245
2246
2247 wpa_printf(MSG_DEBUG,
2248 "nl80211: QCA vendor test command response received");
2249
2250 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2251 genlmsg_attrlen(gnlh, 0), NULL);
2252 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2253 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2254 return NL_SKIP;
2255 }
2256
2257 wpa_hexdump(MSG_DEBUG,
2258 "nl80211: Received QCA vendor test command response",
2259 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2260 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2261
2262 return NL_SKIP;
2263}
2264#endif /* CONFIG_TESTING_OPTIONS */
2265
2266
2267static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2268{
2269#ifdef CONFIG_TESTING_OPTIONS
2270 struct nl_msg *msg;
2271 struct nlattr *params;
2272 int ret;
2273
2274 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2275 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2276 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2277 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2278 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2279 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2280 nlmsg_free(msg);
2281 return;
2282 }
2283 nla_nest_end(msg, params);
2284
2285 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2286 wpa_printf(MSG_DEBUG,
2287 "nl80211: QCA vendor test command returned %d (%s)",
2288 ret, strerror(-ret));
2289#endif /* CONFIG_TESTING_OPTIONS */
2290}
2291
2292
362f781e 2293static int
0d547d5f 2294wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 2295 const u8 *set_addr, int first,
2296 const char *driver_params)
7524cfb1 2297{
834ee56f 2298 struct i802_bss *bss = drv->first_bss;
8401a6b0 2299 int send_rfkill_event = 0;
0d547d5f 2300 enum nl80211_iftype nlmode;
a2e40bb6
FF		 2301
2302 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 2303 bss->ifindex = drv->ifindex;
2304 bss->wdev_id = drv->global->if_add_wdevid;
2305 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2306
60b13c20
IP		 2307 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2308 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 2309 drv->global->if_add_wdevid_set = 0;
2310
bf144cf6
AP		 2311 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2312 bss->static_ap = 1;
2313
ef3866ab
IP		 2314 if (first &&
2315 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2316 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2317 drv->start_iface_up = 1;
2318
f632e483
AS		 2319 if (wpa_driver_nl80211_capa(drv))
2320 return -1;
a87c9d96 2321
0ecff8d7
JM		 2322 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2323 return -1;
2324
5fbcb45d
AS		 2325 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2326 bss->ifname, drv->phyname);
2327
0d547d5f
JM		 2328 if (set_addr &&
2329 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2330 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2331 set_addr)))
2332 return -1;
2333
49b4b205
JM		 2334 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2335 drv->start_mode_ap = 1;
2336
bf144cf6 2337 if (drv->hostapd || bss->static_ap)
0d547d5f 2338 nlmode = NL80211_IFTYPE_AP;
4fe726e2
FF		 2339 else if (bss->if_dynamic ||
2340 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
8e12685c 2341 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 2342 else
2343 nlmode = NL80211_IFTYPE_STATION;
f632e483 2344
8e12685c 2345 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 2346 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 2347 return -1;
a87c9d96
JM		 2348 }
2349
8c06db70 2350 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 2351 nl80211_get_macaddr(bss);
f632e483 2352
0e92fb8f
JB		 2353 wpa_driver_nl80211_drv_init_rfkill(drv);
2354
8c06db70
MB		 2355 if (!rfkill_is_blocked(drv->rfkill)) {
2356 int ret = i802_set_iface_flags(bss, 1);
2357 if (ret) {
8401a6b0
JM		 2358 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2359 "interface '%s' UP", bss->ifname);
8c06db70 2360 return ret;
8401a6b0 2361 }
e8dc205f
AO		 2362
2363 if (is_p2p_net_interface(nlmode))
2364 nl80211_disable_11b_rates(bss->drv,
2365 bss->drv->ifindex, 1);
2366
8c06db70
MB		 2367 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2368 return ret;
2369 } else {
2370 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2371 "interface '%s' due to rfkill", bss->ifname);
6da504a1
IP		 2372 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2373 drv->if_disabled = 1;
2374
8c06db70 2375 send_rfkill_event = 1;
362f781e 2376 }
3f5285e8 2377
6da504a1 2378 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
0d547d5f
JM		 2379 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2380 1, IF_OPER_DORMANT);
362f781e 2381
6da504a1
IP		 2382 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2383 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2384 bss->addr))
2385 return -1;
2386 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2387 }
f2ed8023 2388
8401a6b0
JM		 2389 if (send_rfkill_event) {
2390 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2391 drv, drv->ctx);
2392 }
2393
1db718b3
JM		 2394 if (drv->vendor_cmd_test_avail)
2395 qca_vendor_test(drv);
2396
362f781e 2397 return 0;
3f5285e8
JM		 2398}
2399
2400
8a27af5c
JM		 2401static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
2402{
2403 struct nl_msg *msg;
2404
08e55ebb
JM		 2405 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2406 drv->ifindex);
9725b784 2407 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
8a27af5c 2408 return send_and_recv_msgs(drv, msg, NULL, NULL);
8a27af5c 2409}
8a27af5c
JM		 2410
2411
3f5285e8 2412/**
7e5ba1b9 2413 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 2414 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 2415 *
2416 * Shut down driver interface and processing of driver events. Free
2417 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2418 */
9ebce9c5 2419static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 2420{
a2e40bb6 2421 struct wpa_driver_nl80211_data *drv = bss->drv;
cc9a2575 2422 unsigned int i;
3f5285e8 2423
3e208481
JM		 2424 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2425 bss->ifname, drv->disabled_11b_rates);
2426
873d0fcf 2427 bss->in_deinit = 1;
32ab4855
JB		 2428 if (drv->data_tx_status)
2429 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 2430 if (drv->eapol_tx_sock >= 0)
2431 close(drv->eapol_tx_sock);
f10bfc9a 2432
481234cf 2433 if (bss->nl_preq)
5582a5d1 2434 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 2435 if (bss->added_if_into_bridge) {
c81eff1a
BG		 2436 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2437 bss->ifname) < 0)
94627f6c
JM		 2438 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2439 "interface %s from bridge %s: %s",
e17a2477 2440 bss->ifname, bss->brname, strerror(errno));
97ed9a06 2441 if (drv->rtnl_sk)
ca3c6b4d 2442 nl80211_handle_destroy(drv->rtnl_sk);
94627f6c 2443 }
e17a2477 2444 if (bss->added_bridge) {
f2535da8
JM		 2445 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2446 0) < 0)
2447 wpa_printf(MSG_INFO,
2448 "nl80211: Could not set bridge %s down",
2449 bss->brname);
c81eff1a 2450 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 2451 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2452 "bridge %s: %s",
e17a2477 2453 bss->brname, strerror(errno));
94627f6c
JM		 2454 }
2455
460456f8 2456 nl80211_remove_monitor_interface(drv);
8a27af5c 2457
b1f625e0 2458 if (is_ap_interface(drv->nlmode))
8a27af5c 2459 wpa_driver_nl80211_del_beacon(drv);
0915d02c 2460
bbaf0837
JM		 2461 if (drv->eapol_sock >= 0) {
2462 eloop_unregister_read_sock(drv->eapol_sock);
2463 close(drv->eapol_sock);
2464 }
2465
2466 if (drv->if_indices != drv->default_if_indices)
2467 os_free(drv->if_indices);
3f5285e8 2468
732b1d20
MB		 2469 if (drv->if_indices_reason != drv->default_if_indices_reason)
2470 os_free(drv->if_indices_reason);
2471
b3af99d2 2472 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 2473 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2474
36d84860
BG		 2475 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2476 IF_OPER_UP);
e390df05 2477 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
8401a6b0 2478 rfkill_deinit(drv->rfkill);
3f5285e8 2479
bbaf0837
JM		 2480 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2481
146fa9b3
JM		 2482 if (!drv->start_iface_up)
2483 (void) i802_set_iface_flags(bss, 0);
fee354c7
JM		 2484
2485 if (drv->addr_changed) {
93da0498
JM		 2486 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2487 0) < 0) {
2488 wpa_printf(MSG_DEBUG,
2489 "nl80211: Could not set interface down to restore permanent MAC address");
2490 }
fee354c7
JM		 2491 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2492 drv->perm_addr) < 0) {
2493 wpa_printf(MSG_DEBUG,
2494 "nl80211: Could not restore permanent MAC address");
2495 }
2496 }
2497
8e12685c 2498 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 2499 if (!drv->hostapd || !drv->start_mode_ap)
2500 wpa_driver_nl80211_set_mode(bss,
2501 NL80211_IFTYPE_STATION);
b378c41f 2502 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 2503 } else {
2504 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 2505 nl80211_del_p2pdev(bss);
8e12685c 2506 }
3f5285e8 2507
834ee56f 2508 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 2509
3812464c
JM		 2510 os_free(drv->filter_ssids);
2511
536fd62d
JM		 2512 os_free(drv->auth_ie);
2513
dac12351 2514 if (drv->in_interface_list)
f2ed8023
JM		 2515 dl_list_del(&drv->list);
2516
8cd6b7bc
JB		 2517 os_free(drv->extended_capa);
2518 os_free(drv->extended_capa_mask);
cc9a2575
KV		 2519 for (i = 0; i < drv->num_iface_ext_capa; i++) {
2520 os_free(drv->iface_ext_capa[i].ext_capa);
2521 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2522 }
834ee56f 2523 os_free(drv->first_bss);
3f5285e8
JM		 2524 os_free(drv);
2525}
2526
2527
de4ed4a8
JM		 2528static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2529{
2530 switch (alg) {
2531 case WPA_ALG_WEP:
2532 if (key_len == 5)
2533 return WLAN_CIPHER_SUITE_WEP40;
2534 return WLAN_CIPHER_SUITE_WEP104;
2535 case WPA_ALG_TKIP:
2536 return WLAN_CIPHER_SUITE_TKIP;
2537 case WPA_ALG_CCMP:
2538 return WLAN_CIPHER_SUITE_CCMP;
2539 case WPA_ALG_GCMP:
2540 return WLAN_CIPHER_SUITE_GCMP;
2541 case WPA_ALG_CCMP_256:
2542 return WLAN_CIPHER_SUITE_CCMP_256;
2543 case WPA_ALG_GCMP_256:
2544 return WLAN_CIPHER_SUITE_GCMP_256;
2545 case WPA_ALG_IGTK:
2546 return WLAN_CIPHER_SUITE_AES_CMAC;
2547 case WPA_ALG_BIP_GMAC_128:
2548 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
2549 case WPA_ALG_BIP_GMAC_256:
2550 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
2551 case WPA_ALG_BIP_CMAC_256:
2552 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
2553 case WPA_ALG_SMS4:
2554 return WLAN_CIPHER_SUITE_SMS4;
2555 case WPA_ALG_KRK:
2556 return WLAN_CIPHER_SUITE_KRK;
2557 case WPA_ALG_NONE:
2558 case WPA_ALG_PMK:
2559 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2560 alg);
2561 return 0;
2562 }
2563
2564 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2565 alg);
2566 return 0;
2567}
2568
2569
2570static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2571{
2572 switch (cipher) {
2573 case WPA_CIPHER_CCMP_256:
2574 return WLAN_CIPHER_SUITE_CCMP_256;
2575 case WPA_CIPHER_GCMP_256:
2576 return WLAN_CIPHER_SUITE_GCMP_256;
2577 case WPA_CIPHER_CCMP:
2578 return WLAN_CIPHER_SUITE_CCMP;
2579 case WPA_CIPHER_GCMP:
2580 return WLAN_CIPHER_SUITE_GCMP;
2581 case WPA_CIPHER_TKIP:
2582 return WLAN_CIPHER_SUITE_TKIP;
2583 case WPA_CIPHER_WEP104:
2584 return WLAN_CIPHER_SUITE_WEP104;
2585 case WPA_CIPHER_WEP40:
2586 return WLAN_CIPHER_SUITE_WEP40;
ae6f9272
JM		 2587 case WPA_CIPHER_GTK_NOT_USED:
2588 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
de4ed4a8
JM		 2589 }
2590
2591 return 0;
2592}
2593
2594
2595static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2596 int max_suites)
2597{
2598 int num_suites = 0;
2599
2600 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2601 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
2602 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2603 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
2604 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2605 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
2606 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2607 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
2608 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2609 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
2610 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2611 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
2612 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2613 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
2614
2615 return num_suites;
2616}
2617
2618
b658547d 2619#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 2620static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2621 const u8 *key, size_t key_len)
2622{
2623 struct nl_msg *msg;
a862e4a3 2624 int ret;
b41f2684 2625
15badebd 2626 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
b41f2684
CL		 2627 return 0;
2628
9725b784 2629 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 2630 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2631 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2632 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2633 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
bbd89bfc 2634 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 2635 nlmsg_free(msg);
2636 return -1;
2637 }
bbd89bfc 2638 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
b41f2684
CL		 2639 if (ret) {
2640 wpa_printf(MSG_DEBUG,
2641 "nl80211: Key management set key failed: ret=%d (%s)",
2642 ret, strerror(-ret));
2643 }
2644
b41f2684
CL		 2645 return ret;
2646}
b658547d 2647#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684
CL		 2648
2649
9ebce9c5 2650static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 2651 enum wpa_alg alg, const u8 *addr,
2652 int key_idx, int set_tx,
642187d6
JM		 2653 const u8 *seq, size_t seq_len,
2654 const u8 *key, size_t key_len)
3f5285e8 2655{
a2e40bb6 2656 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 2657 int ifindex;
34651767 2658 struct nl_msg *msg = NULL;
1ad1cdc2 2659 int ret;
dc01de8a 2660 int tdls = 0;
3f5285e8 2661
e472e1b4
AS		 2662 /* Ignore for P2P Device */
2663 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2664 return 0;
2665
2666 ifindex = if_nametoindex(ifname);
8393e1a0 2667 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 2668 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 2669 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 2670 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 2671#ifdef CONFIG_TDLS
dc01de8a 2672 if (key_idx == -1) {
8c66e185 2673 key_idx = 0;
dc01de8a
JM		 2674 tdls = 1;
2675 }
8c66e185 2676#endif /* CONFIG_TDLS */
3f5285e8 2677
b658547d 2678#ifdef CONFIG_DRIVER_NL80211_QCA
15badebd
CL		 2679 if (alg == WPA_ALG_PMK &&
2680 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
b41f2684
CL		 2681 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2682 __func__);
2683 ret = issue_key_mgmt_set_key(drv, key, key_len);
2684 return ret;
2685 }
b658547d 2686#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 2687
3f5285e8 2688 if (alg == WPA_ALG_NONE) {
95376e1a
JM		 2689 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2690 if (!msg)
2691 return -ENOBUFS;
3f5285e8 2692 } else {
34651767
JM		 2693 u32 suite;
2694
2695 suite = wpa_alg_to_cipher_suite(alg, key_len);
2696 if (!suite)
2697 goto fail;
95376e1a
JM		 2698 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2699 if (!msg ||
a862e4a3 2700 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
34651767 2701 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
a862e4a3 2702 goto fail;
e6ef73f1 2703 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3f5285e8
JM		 2704 }
2705
e6ef73f1 2706 if (seq && seq_len) {
a862e4a3
JM		 2707 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2708 goto fail;
e6ef73f1
JM		 2709 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2710 }
1ad1cdc2 2711
0382097e 2712 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8 2713 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
a862e4a3
JM		 2714 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2715 goto fail;
89c38e32
JM		 2716
2717 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2718 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
a862e4a3
JM		 2719 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2720 NL80211_KEYTYPE_GROUP))
2721 goto fail;
89c38e32 2722 }
60ea8187 2723 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2724 struct nlattr *types;
2725
60ea8187 2726 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 2727
2728 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2729 if (!types ||
2730 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2731 goto fail;
8970bae8 2732 nla_nest_end(msg, types);
3f5285e8 2733 }
95376e1a 2734 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
a862e4a3 2735 goto fail;
3f5285e8 2736
bbd89bfc 2737 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
15664ad0 2738 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 2739 ret = 0;
2740 if (ret)
2741 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2742 ret, strerror(-ret));
3f5285e8 2743
1ad1cdc2
JM		 2744 /*
2745 * If we failed or don't need to set the default TX key (below),
2746 * we're done here.
2747 */
dc01de8a 2748 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 2749 return ret;
b1f625e0 2750 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 2751 !is_broadcast_ether_addr(addr))
de12717a 2752 return ret;
3f5285e8 2753
95376e1a
JM		 2754 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2755 if (!msg ||
a862e4a3 2756 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
86f9b1c7
JM		 2757 nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
2758 alg == WPA_ALG_BIP_GMAC_128 ||
2759 alg == WPA_ALG_BIP_GMAC_256 ||
2760 alg == WPA_ALG_BIP_CMAC_256) ?
a862e4a3
JM		 2761 NL80211_ATTR_KEY_DEFAULT_MGMT :
2762 NL80211_ATTR_KEY_DEFAULT))
2763 goto fail;
60ea8187 2764 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2765 struct nlattr *types;
2766
2767 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2768 if (!types ||
2769 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2770 goto fail;
8970bae8 2771 nla_nest_end(msg, types);
60ea8187 2772 } else if (addr) {
8970bae8
JB		 2773 struct nlattr *types;
2774
2775 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2776 if (!types ||
2777 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2778 goto fail;
8970bae8 2779 nla_nest_end(msg, types);
60ea8187 2780 }
3f5285e8 2781
1ad1cdc2
JM		 2782 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2783 if (ret == -ENOENT)
2784 ret = 0;
2785 if (ret)
2786 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2787 "err=%d %s)", ret, strerror(-ret));
2788 return ret;
3f5285e8 2789
a862e4a3 2790fail:
bbd89bfc 2791 nl80211_nlmsg_clear(msg);
5883168a 2792 nlmsg_free(msg);
6241fcb1 2793 return -ENOBUFS;
3f5285e8
JM		 2794}
2795
2796
71934751 2797static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 2798 int key_idx, int defkey,
2799 const u8 *seq, size_t seq_len,
2800 const u8 *key, size_t key_len)
2801{
2802 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
34651767
JM		 2803 u32 suite;
2804
0194fedb
JB		 2805 if (!key_attr)
2806 return -1;
2807
34651767
JM		 2808 suite = wpa_alg_to_cipher_suite(alg, key_len);
2809 if (!suite)
2810 return -1;
2811
a862e4a3
JM		 2812 if (defkey && alg == WPA_ALG_IGTK) {
2813 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2814 return -1;
2815 } else if (defkey) {
2816 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2817 return -1;
2818 }
0194fedb 2819
a862e4a3 2820 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
34651767 2821 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
a862e4a3
JM		 2822 (seq && seq_len &&
2823 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2824 nla_put(msg, NL80211_KEY_DATA, key_len, key))
2825 return -1;
0194fedb
JB		 2826
2827 nla_nest_end(msg, key_attr);
2828
2829 return 0;
0194fedb
JB		 2830}
2831
c811d5bc 2832
cfaab580
ZY		 2833static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2834 struct nl_msg *msg)
2835{
2836 int i, privacy = 0;
2837 struct nlattr *nl_keys, *nl_key;
2838
2839 for (i = 0; i < 4; i++) {
2840 if (!params->wep_key[i])
2841 continue;
2842 privacy = 1;
2843 break;
2844 }
ce04af5a
JM		 2845 if (params->wps == WPS_MODE_PRIVACY)
2846 privacy = 1;
2847 if (params->pairwise_suite &&
2848 params->pairwise_suite != WPA_CIPHER_NONE)
2849 privacy = 1;
2850
cfaab580
ZY		 2851 if (!privacy)
2852 return 0;
2853
a862e4a3
JM		 2854 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2855 return -ENOBUFS;
cfaab580
ZY		 2856
2857 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2858 if (!nl_keys)
a862e4a3 2859 return -ENOBUFS;
cfaab580
ZY		 2860
2861 for (i = 0; i < 4; i++) {
2862 if (!params->wep_key[i])
2863 continue;
2864
2865 nl_key = nla_nest_start(msg, i);
a862e4a3
JM		 2866 if (!nl_key ||
2867 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
2868 params->wep_key[i]) ||
2869 nla_put_u32(msg, NL80211_KEY_CIPHER,
2870 params->wep_key_len[i] == 5 ?
2871 WLAN_CIPHER_SUITE_WEP40 :
2872 WLAN_CIPHER_SUITE_WEP104) ||
2873 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
2874 (i == params->wep_tx_keyidx &&
2875 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
2876 return -ENOBUFS;
cfaab580
ZY		 2877
2878 nla_nest_end(msg, nl_key);
2879 }
2880 nla_nest_end(msg, nl_keys);
2881
2882 return 0;
cfaab580
ZY		 2883}
2884
2885
477af8f8
JM		 2886int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
2887 const u8 *addr, int cmd, u16 reason_code,
2888 int local_state_change)
c2a04078 2889{
a862e4a3 2890 int ret;
c2a04078
JM		 2891 struct nl_msg *msg;
2892
9725b784 2893 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM		 2894 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
2895 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
2896 (local_state_change &&
2897 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
2898 nlmsg_free(msg);
2899 return -1;
2900 }
c2a04078
JM		 2901
2902 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 2903 if (ret) {
3b7ea880
BG		 2904 wpa_dbg(drv->ctx, MSG_DEBUG,
2905 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2906 reason_code, ret, strerror(-ret));
c2a04078 2907 }
c2a04078
JM		 2908 return ret;
2909}
3f5285e8
JM		 2910
2911
cfaab580 2912static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 2913 int reason_code)
cfaab580 2914{
3f53c006
JJ		 2915 int ret;
2916
817762d9 2917 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 2918 nl80211_mark_disconnected(drv);
817762d9 2919 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 2920 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
2921 reason_code, 0);
2922 /*
2923 * For locally generated disconnect, supplicant already generates a
2924 * DEAUTH event, so ignore the event from NL80211.
2925 */
2926 drv->ignore_next_local_disconnect = ret == 0;
2927
2928 return ret;
cfaab580
ZY		 2929}
2930
2931
9ebce9c5
JM		 2932static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
2933 const u8 *addr, int reason_code)
3f5285e8 2934{
a2e40bb6 2935 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 2936 int ret;
9392c9be
AS		 2937
2938 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2939 nl80211_mark_disconnected(drv);
666e508c 2940 return nl80211_leave_ibss(drv, 1);
9392c9be 2941 }
cfaab580 2942 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 2943 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 2944 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
2945 __func__, MAC2STR(addr), reason_code);
add9b7a4 2946 nl80211_mark_disconnected(drv);
d6a36f39
JM		 2947 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
2948 reason_code, 0);
2949 /*
2950 * For locally generated deauthenticate, supplicant already generates a
2951 * DEAUTH event, so ignore the event from NL80211.
2952 */
2953 drv->ignore_next_local_deauth = ret == 0;
2954 return ret;
3f5285e8
JM		 2955}
2956
2957
536fd62d
JM		 2958static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
2959 struct wpa_driver_auth_params *params)
2960{
2961 int i;
2962
2963 drv->auth_freq = params->freq;
2964 drv->auth_alg = params->auth_alg;
2965 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
2966 drv->auth_local_state_change = params->local_state_change;
2967 drv->auth_p2p = params->p2p;
2968
2969 if (params->bssid)
2970 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
2971 else
2972 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
2973
2974 if (params->ssid) {
2975 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
2976 drv->auth_ssid_len = params->ssid_len;
2977 } else
2978 drv->auth_ssid_len = 0;
2979
2980
2981 os_free(drv->auth_ie);
2982 drv->auth_ie = NULL;
2983 drv->auth_ie_len = 0;
2984 if (params->ie) {
2985 drv->auth_ie = os_malloc(params->ie_len);
2986 if (drv->auth_ie) {
2987 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
2988 drv->auth_ie_len = params->ie_len;
2989 }
2990 }
2991
2992 for (i = 0; i < 4; i++) {
2993 if (params->wep_key[i] && params->wep_key_len[i] &&
2994 params->wep_key_len[i] <= 16) {
2995 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
2996 params->wep_key_len[i]);
2997 drv->auth_wep_key_len[i] = params->wep_key_len[i];
2998 } else
2999 drv->auth_wep_key_len[i] = 0;
3000 }
3001}
3002
3003
4bd71954
JM		 3004static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3005{
3006 struct wpa_driver_nl80211_data *drv = bss->drv;
3007
3008 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3009 return;
3010
3011 /*
3012 * Looks like we failed to unmask 11b rates previously. This could
3013 * happen, e.g., if the interface was down at the point in time when a
3014 * P2P group was terminated.
3015 */
3016 wpa_printf(MSG_DEBUG,
3017 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3018 bss->ifname);
3019 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3020}
3021
3022
c2a04078 3023static int wpa_driver_nl80211_authenticate(
9ebce9c5 3024 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 3025{
a2e40bb6 3026 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 3027 int ret = -1, i;
c2a04078
JM		 3028 struct nl_msg *msg;
3029 enum nl80211_auth_type type;
2f4f73b1 3030 enum nl80211_iftype nlmode;
6d6f4bb8 3031 int count = 0;
536fd62d
JM		 3032 int is_retry;
3033
4bd71954
JM		 3034 nl80211_unmask_11b_rates(bss);
3035
536fd62d
JM		 3036 is_retry = drv->retry_auth;
3037 drv->retry_auth = 0;
e8d70a73 3038 drv->ignore_deauth_event = 0;
c2a04078 3039
add9b7a4 3040 nl80211_mark_disconnected(drv);
e6b8efeb 3041 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 3042 if (params->bssid)
3043 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3044 else
3045 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 3046 /* FIX: IBSS mode */
2f4f73b1
EP		 3047 nlmode = params->p2p ?
3048 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3049 if (drv->nlmode != nlmode &&
9ebce9c5 3050 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 3051 return -1;
3052
6d6f4bb8 3053retry:
c2a04078
JM		 3054 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3055 drv->ifindex);
a0b2f99b 3056
9725b784
JM		 3057 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3058 if (!msg)
3059 goto fail;
0194fedb 3060
a0b2f99b
JM		 3061 for (i = 0; i < 4; i++) {
3062 if (!params->wep_key[i])
3063 continue;
9ebce9c5 3064 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 3065 NULL, i,
a0b2f99b
JM		 3066 i == params->wep_tx_keyidx, NULL, 0,
3067 params->wep_key[i],
3068 params->wep_key_len[i]);
0194fedb
JB		 3069 if (params->wep_tx_keyidx != i)
3070 continue;
3071 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM		 3072 params->wep_key[i], params->wep_key_len[i]))
3073 goto fail;
a0b2f99b
JM		 3074 }
3075
c2a04078
JM		 3076 if (params->bssid) {
3077 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3078 MAC2STR(params->bssid));
a862e4a3
JM		 3079 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3080 goto fail;
c2a04078
JM		 3081 }
3082 if (params->freq) {
3083 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 3084 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3085 goto fail;
c2a04078
JM		 3086 }
3087 if (params->ssid) {
3088 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
3089 params->ssid, params->ssid_len);
a862e4a3
JM		 3090 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3091 params->ssid))
3092 goto fail;
c2a04078
JM		 3093 }
3094 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM		 3095 if (params->ie &&
3096 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3097 goto fail;
569fed90
JM		 3098 if (params->sae_data) {
3099 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
3100 params->sae_data_len);
a862e4a3
JM		 3101 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
3102 params->sae_data))
3103 goto fail;
569fed90 3104 }
abd9fafa 3105 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 3106 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 3107 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 3108 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 3109 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 3110 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 3111 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 3112 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 3113 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
3114 type = NL80211_AUTHTYPE_SAE;
c2a04078 3115 else
a862e4a3 3116 goto fail;
c2a04078 3117 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
a862e4a3
JM		 3118 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
3119 goto fail;
77339912
JM		 3120 if (params->local_state_change) {
3121 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM		 3122 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3123 goto fail;
77339912 3124 }
c2a04078
JM		 3125
3126 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3127 msg = NULL;
3128 if (ret) {
3b7ea880
BG		 3129 wpa_dbg(drv->ctx, MSG_DEBUG,
3130 "nl80211: MLME command failed (auth): ret=%d (%s)",
3131 ret, strerror(-ret));
6d6f4bb8 3132 count++;
77339912
JM		 3133 if (ret == -EALREADY && count == 1 && params->bssid &&
3134 !params->local_state_change) {
6d6f4bb8
JM		 3135 /*
3136 * mac80211 does not currently accept new
3137 * authentication if we are already authenticated. As a
3138 * workaround, force deauthentication and try again.
3139 */
3140 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3141 "after forced deauthentication");
e8d70a73 3142 drv->ignore_deauth_event = 1;
6d6f4bb8 3143 wpa_driver_nl80211_deauthenticate(
5205c4f9 3144 bss, params->bssid,
6d6f4bb8
JM		 3145 WLAN_REASON_PREV_AUTH_NOT_VALID);
3146 nlmsg_free(msg);
3147 goto retry;
3148 }
536fd62d
JM		 3149
3150 if (ret == -ENOENT && params->freq && !is_retry) {
3151 /*
3152 * cfg80211 has likely expired the BSS entry even
3153 * though it was previously available in our internal
3154 * BSS table. To recover quickly, start a single
3155 * channel scan on the specified channel.
3156 */
3157 struct wpa_driver_scan_params scan;
3158 int freqs[2];
3159
3160 os_memset(&scan, 0, sizeof(scan));
3161 scan.num_ssids = 1;
3162 if (params->ssid) {
3163 scan.ssids[0].ssid = params->ssid;
3164 scan.ssids[0].ssid_len = params->ssid_len;
3165 }
3166 freqs[0] = params->freq;
3167 freqs[1] = 0;
3168 scan.freqs = freqs;
3169 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3170 "channel scan to refresh cfg80211 BSS "
3171 "entry");
3172 ret = wpa_driver_nl80211_scan(bss, &scan);
3173 if (ret == 0) {
3174 nl80211_copy_auth_params(drv, params);
3175 drv->scan_for_auth = 1;
3176 }
8c3ba078
JM		 3177 } else if (is_retry) {
3178 /*
3179 * Need to indicate this with an event since the return
3180 * value from the retry is not delivered to core code.
3181 */
3182 union wpa_event_data event;
3183 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3184 "failed");
3185 os_memset(&event, 0, sizeof(event));
3186 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3187 ETH_ALEN);
3188 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3189 &event);
536fd62d 3190 }
a862e4a3
JM		 3191 } else {
3192 wpa_printf(MSG_DEBUG,
3193 "nl80211: Authentication request send successfully");
c2a04078 3194 }
c2a04078 3195
a862e4a3 3196fail:
c2a04078
JM		 3197 nlmsg_free(msg);
3198 return ret;
3199}
3200
3201
f3407c66 3202int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM		 3203{
3204 struct wpa_driver_auth_params params;
834ee56f 3205 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 3206 int i;
3207
3208 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3209
3210 os_memset(&params, 0, sizeof(params));
3211 params.freq = drv->auth_freq;
3212 params.auth_alg = drv->auth_alg;
3213 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3214 params.local_state_change = drv->auth_local_state_change;
3215 params.p2p = drv->auth_p2p;
3216
3217 if (!is_zero_ether_addr(drv->auth_bssid_))
3218 params.bssid = drv->auth_bssid_;
3219
3220 if (drv->auth_ssid_len) {
3221 params.ssid = drv->auth_ssid;
3222 params.ssid_len = drv->auth_ssid_len;
3223 }
3224
3225 params.ie = drv->auth_ie;
3226 params.ie_len = drv->auth_ie_len;
3227
3228 for (i = 0; i < 4; i++) {
3229 if (drv->auth_wep_key_len[i]) {
3230 params.wep_key[i] = drv->auth_wep_key[i];
3231 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3232 }
3233 }
3234
3235 drv->retry_auth = 1;
3236 return wpa_driver_nl80211_authenticate(bss, &params);
3237}
3238
3239
a11241fa
JB		 3240static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3241 const void *data, size_t len,
55231068
JM		 3242 int encrypt, int noack,
3243 unsigned int freq, int no_cck,
2d3943ce
AO		 3244 int offchanok, unsigned int wait_time,
3245 const u16 *csa_offs,
3246 size_t csa_offs_len)
a11241fa
JB		 3247{
3248 struct wpa_driver_nl80211_data *drv = bss->drv;
3249 u64 cookie;
41cc50d1 3250 int res;
a11241fa 3251
c7caac56
JM		 3252 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3253 freq = nl80211_get_assoc_freq(drv);
3254 wpa_printf(MSG_DEBUG,
3255 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3256 freq);
3257 }
af964484
JM		 3258 if (freq == 0) {
3259 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3260 bss->freq);
55231068 3261 freq = bss->freq;
af964484 3262 }
55231068 3263
739faee2 3264 if (drv->use_monitor) {
981cf85a 3265 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
739faee2 3266 freq, bss->freq);
981cf85a 3267 return nl80211_send_monitor(drv, data, len, encrypt, noack);
739faee2 3268 }
a11241fa 3269
739faee2 3270 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1 3271 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
2d3943ce
AO		 3272 &cookie, no_cck, noack, offchanok,
3273 csa_offs, csa_offs_len);
41cc50d1
JM		 3274 if (res == 0 && !noack) {
3275 const struct ieee80211_mgmt *mgmt;
3276 u16 fc;
3277
3278 mgmt = (const struct ieee80211_mgmt *) data;
3279 fc = le_to_host16(mgmt->frame_control);
3280 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3281 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3282 wpa_printf(MSG_MSGDUMP,
3283 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3284 (long long unsigned int)
3285 drv->send_action_cookie,
3286 (long long unsigned int) cookie);
3287 drv->send_action_cookie = cookie;
3288 }
3289 }
3290
3291 return res;
a11241fa
JB		 3292}
3293
3294
9ebce9c5
JM		 3295static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3296 size_t data_len, int noack,
3297 unsigned int freq, int no_cck,
3298 int offchanok,
2d3943ce
AO		 3299 unsigned int wait_time,
3300 const u16 *csa_offs,
3301 size_t csa_offs_len)
2c2010ac 3302{
a2e40bb6 3303 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 3304 struct ieee80211_mgmt *mgmt;
7a47d567 3305 int encrypt = 1;
2c2010ac
JM		 3306 u16 fc;
3307
3308 mgmt = (struct ieee80211_mgmt *) data;
3309 fc = le_to_host16(mgmt->frame_control);
f95a4524
PF		 3310 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3311 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3312 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3313 fc, fc2str(fc), drv->nlmode);
2c2010ac 3314
8e12685c
AS		 3315 if ((is_sta_interface(drv->nlmode) ||
3316 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 3317 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3318 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3319 /*
3320 * The use of last_mgmt_freq is a bit of a hack,
3321 * but it works due to the single-threaded nature
3322 * of wpa_supplicant.
3323 */
af964484
JM		 3324 if (freq == 0) {
3325 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3326 drv->last_mgmt_freq);
55231068 3327 freq = drv->last_mgmt_freq;
af964484 3328 }
55231068 3329 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7 3330 data, data_len, NULL, 1, noack,
2d3943ce 3331 1, csa_offs, csa_offs_len);
5582a5d1
JB		 3332 }
3333
61cbe2ff 3334 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 3335 if (freq == 0) {
3336 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3337 bss->freq);
55231068 3338 freq = bss->freq;
af964484 3339 }
b5671498
JM		 3340 return nl80211_send_frame_cmd(bss, freq,
3341 (int) freq == bss->freq ? 0 :
3342 wait_time,
d8d6b32e
DG		 3343 data, data_len,
3344 &drv->send_action_cookie,
2d3943ce
AO		 3345 no_cck, noack, offchanok,
3346 csa_offs, csa_offs_len);
86957e62
JM		 3347 }
3348
2c2010ac
JM		 3349 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3350 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3351 /*
3352 * Only one of the authentication frame types is encrypted.
3353 * In order for static WEP encryption to work properly (i.e.,
3354 * to not encrypt the frame), we need to tell mac80211 about
3355 * the frames that must not be encrypted.
3356 */
3357 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3358 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 3359 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3360 encrypt = 0;
2c2010ac
JM		 3361 }
3362
739faee2 3363 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 3364 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068 3365 noack, freq, no_cck, offchanok,
2d3943ce
AO		 3366 wait_time, csa_offs,
3367 csa_offs_len);
55231068
JM		 3368}
3369
3370
cae87abd
JM		 3371static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3372{
3373 u8 rates[NL80211_MAX_SUPP_RATES];
3374 u8 rates_len = 0;
3375 int i;
3376
3377 if (!basic_rates)
3378 return 0;
3379
3380 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3381 rates[rates_len++] = basic_rates[i] / 5;
3382
3383 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3384}
3385
3386
31357268 3387static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47 3388 int slot, int ht_opmode, int ap_isolate,
cae87abd 3389 const int *basic_rates)
31357268
JM		 3390{
3391 struct wpa_driver_nl80211_data *drv = bss->drv;
3392 struct nl_msg *msg;
3393
13f83980 3394 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM		 3395 (cts >= 0 &&
3396 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3397 (preamble >= 0 &&
3398 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3399 (slot >= 0 &&
3400 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3401 (ht_opmode >= 0 &&
3402 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3403 (ap_isolate >= 0 &&
cae87abd
JM		 3404 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3405 nl80211_put_basic_rates(msg, basic_rates)) {
3406 nlmsg_free(msg);
3407 return -ENOBUFS;
e5693c47
JM		 3408 }
3409
31357268 3410 return send_and_recv_msgs(drv, msg, NULL, NULL);
31357268
JM		 3411}
3412
3413
3c4ca363
VN		 3414static int wpa_driver_nl80211_set_acl(void *priv,
3415 struct hostapd_acl_params *params)
3416{
3417 struct i802_bss *bss = priv;
3418 struct wpa_driver_nl80211_data *drv = bss->drv;
3419 struct nl_msg *msg;
f429ec44 3420 struct nl_msg *acl;
3c4ca363 3421 unsigned int i;
a862e4a3 3422 int ret;
3c4ca363
VN		 3423
3424 if (!(drv->capa.max_acl_mac_addrs))
3425 return -ENOTSUP;
3426
3427 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3428 return -ENOTSUP;
3429
3c4ca363
VN		 3430 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3431 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3432
f429ec44
JM		 3433 acl = nlmsg_alloc();
3434 if (!acl)
3435 return -ENOMEM;
3436 for (i = 0; i < params->num_mac_acl; i++) {
3437 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3438 nlmsg_free(acl);
3439 return -ENOMEM;
3440 }
3441 }
3442
9725b784 3443 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM		 3444 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3445 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3446 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
f429ec44 3447 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
a862e4a3 3448 nlmsg_free(msg);
f429ec44 3449 nlmsg_free(acl);
a862e4a3
JM		 3450 return -ENOMEM;
3451 }
f429ec44 3452 nlmsg_free(acl);
3c4ca363
VN		 3453
3454 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN		 3455 if (ret) {
3456 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3457 ret, strerror(-ret));
3458 }
3459
3c4ca363
VN		 3460 return ret;
3461}
3462
3463
85e1fad8
JM		 3464static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3465{
3466 if (beacon_int > 0) {
3467 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3468 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3469 beacon_int);
3470 }
3471
3472 return 0;
3473}
3474
3475
4ac2ea57
MH		 3476static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3477{
3478 if (dtim_period > 0) {
3479 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3480 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3481 }
3482
3483 return 0;
3484}
3485
3486
052b8d38
MH		 3487#ifdef CONFIG_MESH
3488static int nl80211_set_mesh_config(void *priv,
3489 struct wpa_driver_mesh_bss_params *params)
3490{
3491 struct i802_bss *bss = priv;
3492 struct wpa_driver_nl80211_data *drv = bss->drv;
3493 struct nl_msg *msg;
3494 int ret;
3495
3496 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3497 if (!msg)
3498 return -1;
3499
3500 ret = nl80211_put_mesh_config(msg, params);
3501 if (ret < 0) {
3502 nlmsg_free(msg);
3503 return ret;
3504 }
3505
3506 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3507 if (ret) {
3508 wpa_printf(MSG_ERROR,
3509 "nl80211: Mesh config set failed: %d (%s)",
3510 ret, strerror(-ret));
3511 return ret;
3512 }
3513 return 0;
3514}
3515#endif /* CONFIG_MESH */
3516
3517
19c3b566
JM		 3518static int wpa_driver_nl80211_set_ap(void *priv,
3519 struct wpa_driver_ap_params *params)
d2440ba0 3520{
a2e40bb6
FF		 3521 struct i802_bss *bss = priv;
3522 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 3523 struct nl_msg *msg;
3524 u8 cmd = NL80211_CMD_NEW_BEACON;
3525 int ret;
b4fd6fab 3526 int beacon_set;
b11d1d64 3527 int num_suites;
da1080d7 3528 int smps_mode;
de4ed4a8 3529 u32 suites[10], suite;
b11d1d64 3530 u32 ver;
052b8d38
MH		 3531#ifdef CONFIG_MESH
3532 struct wpa_driver_mesh_bss_params mesh_params;
3533#endif /* CONFIG_MESH */
b4fd6fab 3534
f33c8606 3535 beacon_set = params->reenable ? 0 : bss->beacon_set;
d2440ba0 3536
d2440ba0 3537 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 3538 beacon_set);
3539 if (beacon_set)
d2440ba0
JM		 3540 cmd = NL80211_CMD_SET_BEACON;
3541
b92e08fc
JM		 3542 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3543 params->head, params->head_len);
b92e08fc
JM		 3544 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3545 params->tail, params->tail_len);
13f83980 3546 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 3547 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
b92e08fc 3548 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
b92e08fc
JM		 3549 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3550 params->ssid, params->ssid_len);
13f83980 3551 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 3552 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3553 params->head) ||
3554 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3555 params->tail) ||
85e1fad8 3556 nl80211_put_beacon_int(msg, params->beacon_int) ||
4ac2ea57 3557 nl80211_put_dtim_period(msg, params->dtim_period) ||
a862e4a3
JM		 3558 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3559 goto fail;
b92e08fc
JM		 3560 if (params->proberesp && params->proberesp_len) {
3561 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3562 params->proberesp, params->proberesp_len);
a862e4a3
JM		 3563 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3564 params->proberesp))
3565 goto fail;
b92e08fc 3566 }
97a7a0b5
JM		 3567 switch (params->hide_ssid) {
3568 case NO_SSID_HIDING:
b92e08fc 3569 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM		 3570 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3571 NL80211_HIDDEN_SSID_NOT_IN_USE))
3572 goto fail;
97a7a0b5
JM		 3573 break;
3574 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 3575 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM		 3576 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3577 NL80211_HIDDEN_SSID_ZERO_LEN))
3578 goto fail;
97a7a0b5
JM		 3579 break;
3580 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 3581 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM		 3582 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3583 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3584 goto fail;
97a7a0b5
JM		 3585 break;
3586 }
b92e08fc 3587 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM		 3588 if (params->privacy &&
3589 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3590 goto fail;
b92e08fc 3591 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 3592 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3593 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3594 /* Leave out the attribute */
a862e4a3
JM		 3595 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3596 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3597 NL80211_AUTHTYPE_SHARED_KEY))
3598 goto fail;
3599 } else {
3600 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3601 NL80211_AUTHTYPE_OPEN_SYSTEM))
3602 goto fail;
3603 }
b11d1d64 3604
b92e08fc 3605 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 3606 ver = 0;
3607 if (params->wpa_version & WPA_PROTO_WPA)
3608 ver |= NL80211_WPA_VERSION_1;
3609 if (params->wpa_version & WPA_PROTO_RSN)
3610 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM		 3611 if (ver &&
3612 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3613 goto fail;
b11d1d64 3614
b92e08fc
JM		 3615 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3616 params->key_mgmt_suites);
b11d1d64
JM		 3617 num_suites = 0;
3618 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3619 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
3620 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3621 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
a862e4a3
JM		 3622 if (num_suites &&
3623 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3624 suites))
3625 goto fail;
b11d1d64 3626
533fe09b 3627 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
e3429c0b
JB		 3628 (!params->pairwise_ciphers ||
3629 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
3630 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
3631 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
a862e4a3 3632 goto fail;
9f12614b 3633
b92e08fc
JM		 3634 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3635 params->pairwise_ciphers);
de4ed4a8
JM		 3636 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3637 suites, ARRAY_SIZE(suites));
a862e4a3
JM		 3638 if (num_suites &&
3639 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3640 num_suites * sizeof(u32), suites))
3641 goto fail;
b11d1d64 3642
b92e08fc
JM		 3643 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3644 params->group_cipher);
de4ed4a8 3645 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM		 3646 if (suite &&
3647 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3648 goto fail;
d2440ba0 3649
ee298f1b
JM		 3650 if (params->ht_opmode != -1) {
3651 switch (params->smps_mode) {
3652 case HT_CAP_INFO_SMPS_DYNAMIC:
3653 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3654 smps_mode = NL80211_SMPS_DYNAMIC;
3655 break;
3656 case HT_CAP_INFO_SMPS_STATIC:
3657 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3658 smps_mode = NL80211_SMPS_STATIC;
3659 break;
3660 default:
3661 /* invalid - fallback to smps off */
3662 case HT_CAP_INFO_SMPS_DISABLED:
3663 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3664 smps_mode = NL80211_SMPS_OFF;
3665 break;
3666 }
3667 if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
3668 goto fail;
da1080d7 3669 }
da1080d7 3670
fb91db56 3671 if (params->beacon_ies) {
b92e08fc
JM		 3672 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3673 params->beacon_ies);
a862e4a3
JM		 3674 if (nla_put(msg, NL80211_ATTR_IE,
3675 wpabuf_len(params->beacon_ies),
3676 wpabuf_head(params->beacon_ies)))
3677 goto fail;
fb91db56
JM		 3678 }
3679 if (params->proberesp_ies) {
b92e08fc
JM		 3680 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3681 params->proberesp_ies);
a862e4a3
JM		 3682 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3683 wpabuf_len(params->proberesp_ies),
3684 wpabuf_head(params->proberesp_ies)))
3685 goto fail;
fb91db56
JM		 3686 }
3687 if (params->assocresp_ies) {
b92e08fc
JM		 3688 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3689 params->assocresp_ies);
a862e4a3
JM		 3690 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3691 wpabuf_len(params->assocresp_ies),
3692 wpabuf_head(params->assocresp_ies)))
3693 goto fail;
fb91db56
JM		 3694 }
3695
a0133ee1 3696 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 3697 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3698 params->ap_max_inactivity);
a862e4a3
JM		 3699 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3700 params->ap_max_inactivity))
3701 goto fail;
a0133ee1
VT		 3702 }
3703
abb8d08b
EP		 3704#ifdef CONFIG_P2P
3705 if (params->p2p_go_ctwindow > 0) {
3706 if (drv->p2p_go_ctwindow_supported) {
3707 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
3708 params->p2p_go_ctwindow);
3709 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
3710 params->p2p_go_ctwindow))
3711 goto fail;
3712 } else {
3713 wpa_printf(MSG_INFO,
3714 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
3715 }
3716 }
3717#endif /* CONFIG_P2P */
3718
86b5c400
LD		 3719 if (params->pbss) {
3720 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
3721 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
3722 goto fail;
3723 }
3724
d2440ba0
JM		 3725 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3726 if (ret) {
3727 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
3728 ret, strerror(-ret));
b4fd6fab 3729 } else {
b4fd6fab 3730 bss->beacon_set = 1;
31357268 3731 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 3732 params->short_slot_time, params->ht_opmode,
e5693c47 3733 params->isolate, params->basic_rates);
e87ef751
PX		 3734 if (beacon_set && params->freq &&
3735 params->freq->bandwidth != bss->bandwidth) {
3736 wpa_printf(MSG_DEBUG,
3737 "nl80211: Update BSS %s bandwidth: %d -> %d",
3738 bss->ifname, bss->bandwidth,
3739 params->freq->bandwidth);
3740 ret = nl80211_set_channel(bss, params->freq, 1);
3741 if (ret) {
3742 wpa_printf(MSG_DEBUG,
3743 "nl80211: Frequency set failed: %d (%s)",
3744 ret, strerror(-ret));
3745 } else {
3746 wpa_printf(MSG_DEBUG,
3747 "nl80211: Frequency set succeeded for ht2040 coex");
3748 bss->bandwidth = params->freq->bandwidth;
3749 }
f5728d0a 3750 } else if (!beacon_set && params->freq) {
e87ef751
PX		 3751 /*
3752 * cfg80211 updates the driver on frequence change in AP
3753 * mode only at the point when beaconing is started, so
3754 * set the initial value here.
3755 */
3756 bss->bandwidth = params->freq->bandwidth;
3757 }
b4fd6fab 3758 }
052b8d38
MH		 3759
3760#ifdef CONFIG_MESH
3761 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
3762 os_memset(&mesh_params, 0, sizeof(mesh_params));
3763 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
3764 mesh_params.ht_opmode = params->ht_opmode;
3765 ret = nl80211_set_mesh_config(priv, &mesh_params);
3766 if (ret < 0)
3767 return ret;
3768 }
3769#endif /* CONFIG_MESH */
3770
d2440ba0 3771 return ret;
a862e4a3 3772fail:
5883168a 3773 nlmsg_free(msg);
d2440ba0
JM		 3774 return -ENOBUFS;
3775}
3776
3777
1c4ffa87 3778static int nl80211_put_freq_params(struct nl_msg *msg,
72b2605f 3779 const struct hostapd_freq_params *freq)
1581b38b 3780{
1fc4ab23 3781 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
a862e4a3
JM		 3782 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
3783 return -ENOBUFS;
3784
1fc4ab23
JM		 3785 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
3786 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
3787
89b800d7 3788 if (freq->vht_enabled) {
a862e4a3
JM		 3789 enum nl80211_chan_width cw;
3790
1fc4ab23 3791 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
89b800d7
JB		 3792 switch (freq->bandwidth) {
3793 case 20:
a862e4a3 3794 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB		 3795 break;
3796 case 40:
a862e4a3 3797 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB		 3798 break;
3799 case 80:
3800 if (freq->center_freq2)
a862e4a3 3801 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 3802 else
a862e4a3 3803 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB		 3804 break;
3805 case 160:
a862e4a3 3806 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB		 3807 break;
3808 default:
1c4ffa87 3809 return -EINVAL;
89b800d7 3810 }
a862e4a3 3811
1fc4ab23
JM		 3812 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
3813 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
3814 freq->center_freq1);
3815 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
3816 freq->center_freq2);
a862e4a3
JM		 3817 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
3818 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
3819 freq->center_freq1) ||
3820 (freq->center_freq2 &&
3821 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
3822 freq->center_freq2)))
3823 return -ENOBUFS;
89b800d7 3824 } else if (freq->ht_enabled) {
a862e4a3
JM		 3825 enum nl80211_channel_type ct;
3826
1fc4ab23
JM		 3827 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
3828 freq->sec_channel_offset);
89b800d7 3829 switch (freq->sec_channel_offset) {
f019981a 3830 case -1:
a862e4a3 3831 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM		 3832 break;
3833 case 1:
a862e4a3 3834 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM		 3835 break;
3836 default:
a862e4a3 3837 ct = NL80211_CHAN_HT20;
f019981a
JM		 3838 break;
3839 }
a862e4a3 3840
1fc4ab23 3841 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
a862e4a3
JM		 3842 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
3843 return -ENOBUFS;
3388e7b9
MH		 3844 } else {
3845 wpa_printf(MSG_DEBUG, " * channel_type=%d",
3846 NL80211_CHAN_NO_HT);
3847 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3848 NL80211_CHAN_NO_HT))
3849 return -ENOBUFS;
f019981a 3850 }
1c4ffa87 3851 return 0;
1c4ffa87
AO		 3852}
3853
3854
e87ef751
PX		 3855static int nl80211_set_channel(struct i802_bss *bss,
3856 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 3857{
3858 struct wpa_driver_nl80211_data *drv = bss->drv;
3859 struct nl_msg *msg;
3860 int ret;
3861
3862 wpa_printf(MSG_DEBUG,
3863 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3864 freq->freq, freq->ht_enabled, freq->vht_enabled,
3865 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 3866
9725b784
JM		 3867 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
3868 NL80211_CMD_SET_WIPHY);
3869 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM		 3870 nlmsg_free(msg);
3871 return -1;
3872 }
1581b38b 3873
d2440ba0 3874 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 3875 if (ret == 0) {
89b800d7 3876 bss->freq = freq->freq;
1581b38b 3877 return 0;
e4fb2167 3878 }
f019981a 3879 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 3880 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM		 3881 return -1;
3882}
3883
0f4e8b4f 3884
95ab6063
AN		 3885static u32 sta_flags_nl80211(int flags)
3886{
3887 u32 f = 0;
3888
3889 if (flags & WPA_STA_AUTHORIZED)
3890 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
3891 if (flags & WPA_STA_WMM)
3892 f |= BIT(NL80211_STA_FLAG_WME);
3893 if (flags & WPA_STA_SHORT_PREAMBLE)
3894 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
3895 if (flags & WPA_STA_MFP)
3896 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 3897 if (flags & WPA_STA_TDLS_PEER)
3898 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC		 3899 if (flags & WPA_STA_AUTHENTICATED)
3900 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
dc55b6b6
AB		 3901 if (flags & WPA_STA_ASSOCIATED)
3902 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
95ab6063
AN		 3903
3904 return f;
3905}
3906
3907
7c7e7877
BC		 3908#ifdef CONFIG_MESH
3909static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
3910{
3911 switch (state) {
d02e5498 3912 case PLINK_IDLE:
7c7e7877 3913 return NL80211_PLINK_LISTEN;
d02e5498 3914 case PLINK_OPN_SNT:
7c7e7877 3915 return NL80211_PLINK_OPN_SNT;
d02e5498 3916 case PLINK_OPN_RCVD:
7c7e7877
BC		 3917 return NL80211_PLINK_OPN_RCVD;
3918 case PLINK_CNF_RCVD:
3919 return NL80211_PLINK_CNF_RCVD;
3920 case PLINK_ESTAB:
3921 return NL80211_PLINK_ESTAB;
3922 case PLINK_HOLDING:
3923 return NL80211_PLINK_HOLDING;
3924 case PLINK_BLOCKED:
3925 return NL80211_PLINK_BLOCKED;
3926 default:
3927 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
3928 state);
3929 }
3930 return -1;
3931}
3932#endif /* CONFIG_MESH */
3933
3934
62847751 3935static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 3936 struct hostapd_sta_add_params *params)
3937{
a2e40bb6
FF		 3938 struct i802_bss *bss = priv;
3939 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 3940 struct nl_msg *msg;
95ab6063 3941 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 3942 int ret = -ENOBUFS;
3943
45b722f1
AN		 3944 if ((params->flags & WPA_STA_TDLS_PEER) &&
3945 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
3946 return -EOPNOTSUPP;
3947
e4dea253
JM		 3948 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
3949 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM		 3950 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
3951 NL80211_CMD_NEW_STATION);
3952 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 3953 goto fail;
5551bc9c 3954
dc55b6b6
AB		 3955 /*
3956 * Set the below properties only in one of the following cases:
3957 * 1. New station is added, already associated.
3958 * 2. Set WPA_STA_TDLS_PEER station.
3959 * 3. Set an already added unassociated station, if driver supports
3960 * full AP client state. (Set these properties after station became
3961 * associated will be rejected by the driver).
3962 */
3963 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
3964 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
3965 (params->flags & WPA_STA_ASSOCIATED))) {
5551bc9c
BC		 3966 wpa_hexdump(MSG_DEBUG, " * supported rates",
3967 params->supp_rates, params->supp_rates_len);
a862e4a3
JM		 3968 wpa_printf(MSG_DEBUG, " * capability=0x%x",
3969 params->capability);
3970 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
3971 params->supp_rates_len, params->supp_rates) ||
3972 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
3973 params->capability))
3974 goto fail;
e503861f
JM		 3975
3976 if (params->ht_capabilities) {
3977 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
3978 (u8 *) params->ht_capabilities,
3979 sizeof(*params->ht_capabilities));
a862e4a3
JM		 3980 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
3981 sizeof(*params->ht_capabilities),
3982 params->ht_capabilities))
3983 goto fail;
e503861f
JM		 3984 }
3985
3986 if (params->vht_capabilities) {
3987 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
3988 (u8 *) params->vht_capabilities,
3989 sizeof(*params->vht_capabilities));
a862e4a3
JM		 3990 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
3991 sizeof(*params->vht_capabilities),
3992 params->vht_capabilities))
3993 goto fail;
e503861f
JM		 3994 }
3995
e503861f
JM		 3996 if (params->ext_capab) {
3997 wpa_hexdump(MSG_DEBUG, " * ext_capab",
3998 params->ext_capab, params->ext_capab_len);
a862e4a3
JM		 3999 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4000 params->ext_capab_len, params->ext_capab))
4001 goto fail;
e503861f 4002 }
ae33239c
AB		 4003
4004 if (is_ap_interface(drv->nlmode) &&
4005 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4006 params->support_p2p_ps ?
4007 NL80211_P2P_PS_SUPPORTED :
4008 NL80211_P2P_PS_UNSUPPORTED))
4009 goto fail;
5551bc9c 4010 }
45b722f1 4011 if (!params->set) {
f11b72c3
JM		 4012 if (params->aid) {
4013 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM		 4014 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4015 goto fail;
f11b72c3
JM		 4016 } else {
4017 /*
4018 * cfg80211 validates that AID is non-zero, so we have
4019 * to make this a non-zero value for the TDLS case where
dc55b6b6
AB		 4020 * a dummy STA entry is used for now and for a station
4021 * that is still not associated.
f11b72c3 4022 */
dc55b6b6
AB		 4023 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4024 (params->flags & WPA_STA_TDLS_PEER) ?
4025 "TDLS" : "UNASSOC_STA");
a862e4a3
JM		 4026 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4027 goto fail;
f11b72c3 4028 }
e4dea253
JM		 4029 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4030 params->listen_interval);
a862e4a3
JM		 4031 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4032 params->listen_interval))
4033 goto fail;
e112764e
JM		 4034 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4035 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM		 4036 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4037 goto fail;
dc55b6b6
AB		 4038 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4039 (params->flags & WPA_STA_ASSOCIATED)) {
4040 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4041 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4042 params->listen_interval);
4043 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4044 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4045 params->listen_interval))
4046 goto fail;
45b722f1 4047 }
05a8d422 4048
8a458116
MK		 4049 if (params->vht_opmode_enabled) {
4050 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM		 4051 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4052 params->vht_opmode))
4053 goto fail;
8a458116
MK		 4054 }
4055
efc64886
SD		 4056 if (params->supp_channels) {
4057 wpa_hexdump(MSG_DEBUG, " * supported channels",
4058 params->supp_channels, params->supp_channels_len);
a862e4a3
JM		 4059 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4060 params->supp_channels_len, params->supp_channels))
4061 goto fail;
efc64886
SD		 4062 }
4063
4064 if (params->supp_oper_classes) {
4065 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4066 params->supp_oper_classes,
4067 params->supp_oper_classes_len);
a862e4a3
JM		 4068 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4069 params->supp_oper_classes_len,
4070 params->supp_oper_classes))
4071 goto fail;
efc64886
SD		 4072 }
4073
95ab6063 4074 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC		 4075 upd.set = sta_flags_nl80211(params->flags);
4076 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
dc55b6b6
AB		 4077
4078 /*
4079 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4080 * flags, as nl80211 driver moves a new station, by default, into
4081 * associated state.
4082 *
4083 * On the other hand, if the driver supports that feature and the
4084 * station is added in unauthenticated state, set the
4085 * authenticated/associated bits in the mask to prevent moving this
4086 * station to associated state before it is actually associated.
4087 *
4088 * This is irrelevant for mesh mode where the station is added to the
4089 * driver as authenticated already, and ASSOCIATED isn't part of the
4090 * nl80211 API.
4091 */
4092 if (!is_mesh_interface(drv->nlmode)) {
4093 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4094 wpa_printf(MSG_DEBUG,
4095 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4096 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4097 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4098 } else if (!params->set &&
4099 !(params->flags & WPA_STA_TDLS_PEER)) {
4100 if (!(params->flags & WPA_STA_AUTHENTICATED))
4101 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4102 if (!(params->flags & WPA_STA_ASSOCIATED))
4103 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4104 }
e347cafe
MH		 4105#ifdef CONFIG_MESH
4106 } else {
4107 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4108 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4109 params->peer_aid);
4110 if (ret)
4111 goto fail;
4112 }
4113#endif /* CONFIG_MESH */
dc55b6b6
AB		 4114 }
4115
e4dea253
JM		 4116 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4117 upd.set, upd.mask);
a862e4a3
JM		 4118 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4119 goto fail;
95ab6063 4120
7c7e7877 4121#ifdef CONFIG_MESH
a862e4a3
JM		 4122 if (params->plink_state &&
4123 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4124 sta_plink_state_nl80211(params->plink_state)))
4125 goto fail;
7c7e7877
BC		 4126#endif /* CONFIG_MESH */
4127
774bfa62 4128 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 4129 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4130
e4dea253 4131 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM		 4132 if (!wme ||
4133 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4134 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4135 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4136 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4137 WMM_QOSINFO_STA_SP_MASK))
4138 goto fail;
8970bae8 4139 nla_nest_end(msg, wme);
774bfa62
EP		 4140 }
4141
0f4e8b4f 4142 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4143 msg = NULL;
0f4e8b4f 4144 if (ret)
45b722f1
AN		 4145 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4146 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4147 strerror(-ret));
0f4e8b4f
JM		 4148 if (ret == -EEXIST)
4149 ret = 0;
a862e4a3 4150fail:
5883168a 4151 nlmsg_free(msg);
0f4e8b4f
JM		 4152 return ret;
4153}
4154
4155
97ed9a06
KP		 4156static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4157{
4158#ifdef CONFIG_LIBNL3_ROUTE
4159 struct wpa_driver_nl80211_data *drv = bss->drv;
4160 struct rtnl_neigh *rn;
4161 struct nl_addr *nl_addr;
4162 int err;
4163
4164 rn = rtnl_neigh_alloc();
4165 if (!rn)
4166 return;
4167
4168 rtnl_neigh_set_family(rn, AF_BRIDGE);
4169 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4170 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4171 if (!nl_addr) {
4172 rtnl_neigh_put(rn);
4173 return;
4174 }
4175 rtnl_neigh_set_lladdr(rn, nl_addr);
4176
4177 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4178 if (err < 0) {
4179 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4180 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4181 bss->ifindex, nl_geterror(err));
4182 } else {
4183 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4184 MACSTR, MAC2STR(addr));
4185 }
4186
4187 nl_addr_put(nl_addr);
4188 rtnl_neigh_put(rn);
4189#endif /* CONFIG_LIBNL3_ROUTE */
4190}
4191
4192
59d7148a
JM		 4193static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4194 int deauth, u16 reason_code)
0f4e8b4f 4195{
a2e40bb6 4196 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 4197 struct nl_msg *msg;
4198 int ret;
4199
13f83980 4200 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM		 4201 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4202 (deauth == 0 &&
4203 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4204 WLAN_FC_STYPE_DISASSOC)) ||
4205 (deauth == 1 &&
4206 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4207 WLAN_FC_STYPE_DEAUTH)) ||
4208 (reason_code &&
4209 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4210 nlmsg_free(msg);
4211 return -ENOBUFS;
4212 }
0f4e8b4f
JM		 4213
4214 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 4215 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4216 " --> %d (%s)",
4217 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 4218
4219 if (drv->rtnl_sk)
4220 rtnl_neigh_delete_fdb_entry(bss, addr);
4221
0f4e8b4f
JM		 4222 if (ret == -ENOENT)
4223 return 0;
4224 return ret;
0f4e8b4f
JM		 4225}
4226
1581b38b 4227
f3407c66 4228void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM		 4229{
4230 struct nl_msg *msg;
de884303 4231 struct wpa_driver_nl80211_data *drv2;
0915d02c 4232
c6e8e8e4
JM		 4233 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4234
2135f224 4235 /* stop listening for EAPOL on this interface */
de884303
JM		 4236 dl_list_for_each(drv2, &drv->global->interfaces,
4237 struct wpa_driver_nl80211_data, list)
732b1d20
MB		 4238 {
4239 del_ifidx(drv2, ifidx, IFIDX_ANY);
4240 /* Remove all bridges learned for this iface */
4241 del_ifidx(drv2, IFIDX_ANY, ifidx);
4242 }
2135f224 4243
95376e1a 4244 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 4245 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4246 return;
e748062b 4247 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 4248}
4249
4250
cc9a2575 4251const char * nl80211_iftype_str(enum nl80211_iftype mode)
a1922f93
JM		 4252{
4253 switch (mode) {
4254 case NL80211_IFTYPE_ADHOC:
4255 return "ADHOC";
4256 case NL80211_IFTYPE_STATION:
4257 return "STATION";
4258 case NL80211_IFTYPE_AP:
4259 return "AP";
1045ec36
JM		 4260 case NL80211_IFTYPE_AP_VLAN:
4261 return "AP_VLAN";
4262 case NL80211_IFTYPE_WDS:
4263 return "WDS";
a1922f93
JM		 4264 case NL80211_IFTYPE_MONITOR:
4265 return "MONITOR";
1045ec36
JM		 4266 case NL80211_IFTYPE_MESH_POINT:
4267 return "MESH_POINT";
a1922f93
JM		 4268 case NL80211_IFTYPE_P2P_CLIENT:
4269 return "P2P_CLIENT";
4270 case NL80211_IFTYPE_P2P_GO:
4271 return "P2P_GO";
7aad838c
NS		 4272 case NL80211_IFTYPE_P2P_DEVICE:
4273 return "P2P_DEVICE";
a1922f93
JM		 4274 default:
4275 return "unknown";
4276 }
4277}
4278
4279
a35187e7
KH		 4280static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4281 const char *ifname,
4282 enum nl80211_iftype iftype,
d6dcfcda
DS		 4283 const u8 *addr, int wds,
4284 int (*handler)(struct nl_msg *, void *),
4285 void *arg)
0915d02c 4286{
8970bae8 4287 struct nl_msg *msg;
0915d02c
JM		 4288 int ifidx;
4289 int ret = -ENOBUFS;
4290
a1922f93
JM		 4291 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4292 iftype, nl80211_iftype_str(iftype));
4293
56f77852
JM		 4294 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4295 if (!msg ||
a862e4a3
JM		 4296 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4297 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4298 goto fail;
0915d02c
JM		 4299
4300 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 4301 struct nlattr *flags;
0915d02c 4302
8970bae8 4303 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM		 4304 if (!flags ||
4305 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4306 goto fail;
0915d02c 4307
8970bae8 4308 nla_nest_end(msg, flags);
fbbfcbac 4309 } else if (wds) {
a862e4a3
JM		 4310 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4311 goto fail;
0915d02c
JM		 4312 }
4313
52f5877a
IP		 4314 /*
4315 * Tell cfg80211 that the interface belongs to the socket that created
4316 * it, and the interface should be deleted when the socket is closed.
4317 */
a862e4a3
JM		 4318 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4319 goto fail;
52f5877a 4320
d6dcfcda 4321 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 4322 msg = NULL;
0915d02c 4323 if (ret) {
a862e4a3 4324 fail:
5883168a 4325 nlmsg_free(msg);
a35187e7
KH		 4326 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4327 ifname, ret, strerror(-ret));
0915d02c
JM		 4328 return ret;
4329 }
4330
f632e483 4331 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 4332 return 0;
6bae92e0 4333
0915d02c 4334 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 4335 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4336 ifname, ifidx);
0915d02c
JM		 4337
4338 if (ifidx <= 0)
4339 return -1;
4340
147848ec
JM		 4341 /*
4342 * Some virtual interfaces need to process EAPOL packets and events on
4343 * the parent interface. This is used mainly with hostapd.
4344 */
4345 if (drv->hostapd ||
4346 iftype == NL80211_IFTYPE_AP_VLAN ||
4347 iftype == NL80211_IFTYPE_WDS ||
4348 iftype == NL80211_IFTYPE_MONITOR) {
4349 /* start listening for EAPOL on this interface */
732b1d20 4350 add_ifidx(drv, ifidx, IFIDX_ANY);
147848ec 4351 }
2135f224 4352
7bfc47c3 4353 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 4354 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 4355 nl80211_remove_iface(drv, ifidx);
4356 return -1;
2135f224 4357 }
2135f224 4358
0915d02c
JM		 4359 return ifidx;
4360}
22a7c9d7
JM		 4361
4362
f3407c66
JM		 4363int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4364 const char *ifname, enum nl80211_iftype iftype,
4365 const u8 *addr, int wds,
4366 int (*handler)(struct nl_msg *, void *),
4367 void *arg, int use_existing)
a35187e7
KH		 4368{
4369 int ret;
4370
d6dcfcda
DS		 4371 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4372 arg);
a35187e7 4373
ffbf1eaa 4374 /* if error occurred and interface exists already */
a35187e7 4375 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 4376 if (use_existing) {
4377 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4378 ifname);
6997f8ba
JM		 4379 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4380 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4381 addr) < 0 &&
4382 (linux_set_iface_flags(drv->global->ioctl_sock,
4383 ifname, 0) < 0 ||
4384 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4385 addr) < 0 ||
4386 linux_set_iface_flags(drv->global->ioctl_sock,
4387 ifname, 1) < 0))
4388 return -1;
2aec4f3c
JM		 4389 return -ENFILE;
4390 }
a35187e7
KH		 4391 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4392
4393 /* Try to remove the interface that was already there. */
4394 nl80211_remove_iface(drv, if_nametoindex(ifname));
4395
4396 /* Try to create the interface again */
fbbfcbac 4397 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 4398 wds, handler, arg);
a35187e7
KH		 4399 }
4400
3e208481
JM		 4401 if (ret >= 0 && is_p2p_net_interface(iftype)) {
4402 wpa_printf(MSG_DEBUG,
4403 "nl80211: Interface %s created for P2P - disable 11b rates",
4404 ifname);
4e5cb1a3 4405 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 4406 }
4e5cb1a3 4407
a35187e7
KH		 4408 return ret;
4409}
0915d02c 4410
2135f224 4411
3fd1cefb
JB		 4412static int nl80211_setup_ap(struct i802_bss *bss)
4413{
4414 struct wpa_driver_nl80211_data *drv = bss->drv;
4415
748c0ac0
JM		 4416 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4417 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 4418
a11241fa
JB		 4419 /*
4420 * Disable Probe Request reporting unless we need it in this way for
4421 * devices that include the AP SME, in the other case (unless using
4422 * monitor iface) we'll get it through the nl_mgmt socket instead.
4423 */
4424 if (!drv->device_ap_sme)
4425 wpa_driver_nl80211_probe_req_report(bss, 0);
4426
4427 if (!drv->device_ap_sme && !drv->use_monitor)
4428 if (nl80211_mgmt_subscribe_ap(bss))
4429 return -1;
4430
a6cc0602
JM		 4431 if (drv->device_ap_sme && !drv->use_monitor)
4432 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
f4830bed
RM		 4433 wpa_printf(MSG_DEBUG,
4434 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
a6cc0602 4435
a11241fa 4436 if (!drv->device_ap_sme && drv->use_monitor &&
647862eb 4437 nl80211_create_monitor_interface(drv))
3fd1cefb
JB		 4438 return -1;
4439
4440 if (drv->device_ap_sme &&
4441 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
4442 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
4443 "Probe Request frame reporting in AP mode");
4444 /* Try to survive without this */
4445 }
4446
4447 return 0;
4448}
4449
4450
4451static void nl80211_teardown_ap(struct i802_bss *bss)
4452{
4453 struct wpa_driver_nl80211_data *drv = bss->drv;
4454
748c0ac0
JM		 4455 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
4456 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 4457 if (drv->device_ap_sme) {
3fd1cefb 4458 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 4459 if (!drv->use_monitor)
4460 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
4461 } else if (drv->use_monitor)
3fd1cefb 4462 nl80211_remove_monitor_interface(drv);
a11241fa 4463 else
36488c05 4464 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 4465
3fd1cefb
JB		 4466 bss->beacon_set = 0;
4467}
4468
4469
f10bfc9a
JM		 4470static int nl80211_send_eapol_data(struct i802_bss *bss,
4471 const u8 *addr, const u8 *data,
d12dab4c 4472 size_t data_len)
f10bfc9a 4473{
d12dab4c
JB		 4474 struct sockaddr_ll ll;
4475 int ret;
4476
4477 if (bss->drv->eapol_tx_sock < 0) {
4478 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 4479 return -1;
4480 }
4481
d12dab4c
JB		 4482 os_memset(&ll, 0, sizeof(ll));
4483 ll.sll_family = AF_PACKET;
4484 ll.sll_ifindex = bss->ifindex;
4485 ll.sll_protocol = htons(ETH_P_PAE);
4486 ll.sll_halen = ETH_ALEN;
4487 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
4488 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
4489 (struct sockaddr *) &ll, sizeof(ll));
4490 if (ret < 0)
4491 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
4492 strerror(errno));
4493
4494 return ret;
f10bfc9a 4495}
5fb1a232 4496
f10bfc9a 4497
db149ac9
JM		 4498static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4499
4500static int wpa_driver_nl80211_hapd_send_eapol(
4501 void *priv, const u8 *addr, const u8 *data,
4378fc14 4502 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 4503{
a2e40bb6
FF		 4504 struct i802_bss *bss = priv;
4505 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 4506 struct ieee80211_hdr *hdr;
4507 size_t len;
4508 u8 *pos;
4509 int res;
4378fc14 4510 int qos = flags & WPA_STA_WMM;
db149ac9 4511
a11241fa 4512 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 4513 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 4514
db149ac9
JM		 4515 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4516 data_len;
4517 hdr = os_zalloc(len);
4518 if (hdr == NULL) {
7ac3616d
JM		 4519 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4520 (unsigned long) len);
db149ac9
JM		 4521 return -1;
4522 }
4523
4524 hdr->frame_control =
4525 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4526 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4527 if (encrypt)
4528 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 4529 if (qos) {
4530 hdr->frame_control |=
4531 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4532 }
db149ac9
JM		 4533
4534 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4535 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4536 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4537 pos = (u8 *) (hdr + 1);
4538
db149ac9 4539 if (qos) {
92d521d8
FF		 4540 /* Set highest priority in QoS header */
4541 pos[0] = 7;
db149ac9
JM		 4542 pos[1] = 0;
4543 pos += 2;
4544 }
db149ac9
JM		 4545
4546 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4547 pos += sizeof(rfc1042_header);
4548 WPA_PUT_BE16(pos, ETH_P_PAE);
4549 pos += 2;
4550 memcpy(pos, data, data_len);
4551
55231068 4552 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
2d3943ce 4553 0, 0, 0, 0, NULL, 0);
db149ac9
JM		 4554 if (res < 0) {
4555 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4556 "failed: %d (%s)",
4557 (unsigned long) len, errno, strerror(errno));
4558 }
7bf12757 4559 os_free(hdr);
db149ac9
JM		 4560
4561 return res;
4562}
4563
a8d6ffa4 4564
3234cba4 4565static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
f97e3ce4
JM		 4566 unsigned int total_flags,
4567 unsigned int flags_or,
4568 unsigned int flags_and)
a8d6ffa4 4569{
a2e40bb6 4570 struct i802_bss *bss = priv;
8970bae8
JB		 4571 struct nl_msg *msg;
4572 struct nlattr *flags;
7e76ee9c 4573 struct nl80211_sta_flag_update upd;
a8d6ffa4 4574
0cd9846c
JM		 4575 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4576 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4577 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4578 !!(total_flags & WPA_STA_AUTHORIZED));
4579
13f83980 4580 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 4581 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4582 goto fail;
a8d6ffa4 4583
7e76ee9c
JM		 4584 /*
4585 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4586 * can be removed eventually.
4587 */
8970bae8 4588 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM		 4589 if (!flags ||
4590 ((total_flags & WPA_STA_AUTHORIZED) &&
4591 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4592 ((total_flags & WPA_STA_WMM) &&
4593 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4594 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4595 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4596 ((total_flags & WPA_STA_MFP) &&
4597 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4598 ((total_flags & WPA_STA_TDLS_PEER) &&
4599 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4600 goto fail;
45b722f1 4601
8970bae8 4602 nla_nest_end(msg, flags);
a8d6ffa4 4603
7e76ee9c
JM		 4604 os_memset(&upd, 0, sizeof(upd));
4605 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4606 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM		 4607 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4608 goto fail;
7e76ee9c 4609
13f83980 4610 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 4611fail:
5883168a 4612 nlmsg_free(msg);
a8d6ffa4
JM		 4613 return -ENOBUFS;
4614}
4615
0915d02c 4616
1581b38b
JM		 4617static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4618 struct wpa_driver_associate_params *params)
4619{
708bc8e0 4620 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 4621
4622 if (params->p2p) {
046b26a2
JM		 4623 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4624 "group (GO)");
b1f625e0
EP		 4625 nlmode = NL80211_IFTYPE_P2P_GO;
4626 } else
4627 nlmode = NL80211_IFTYPE_AP;
4628
708bc8e0 4629 old_mode = drv->nlmode;
834ee56f 4630 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 4631 nl80211_remove_monitor_interface(drv);
4632 return -1;
4633 }
4634
6e9023ea
JM		 4635 if (params->freq.freq &&
4636 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 4637 if (old_mode != nlmode)
834ee56f 4638 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 4639 nl80211_remove_monitor_interface(drv);
1581b38b 4640 return -1;
0915d02c 4641 }
1581b38b 4642
1581b38b
JM		 4643 return 0;
4644}
1581b38b
JM		 4645
4646
666e508c
JM		 4647static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4648 int reset_mode)
5cc4d64b
JM		 4649{
4650 struct nl_msg *msg;
9725b784 4651 int ret;
a862e4a3 4652
9725b784 4653 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 4654 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM		 4655 if (ret) {
4656 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4657 "(%s)", ret, strerror(-ret));
9725b784
JM		 4658 } else {
4659 wpa_printf(MSG_DEBUG,
4660 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM		 4661 }
4662
666e508c
JM		 4663 if (reset_mode &&
4664 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 4665 NL80211_IFTYPE_STATION)) {
4666 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4667 "station mode");
4668 }
4669
5cc4d64b
JM		 4670 return ret;
4671}
4672
4673
95ff3069
JD		 4674static int nl80211_ht_vht_overrides(struct nl_msg *msg,
4675 struct wpa_driver_associate_params *params)
4676{
4677 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4678 return -1;
4679
4680 if (params->htcaps && params->htcaps_mask) {
4681 int sz = sizeof(struct ieee80211_ht_capabilities);
4682 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
4683 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4684 params->htcaps_mask, sz);
4685 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4686 params->htcaps) ||
4687 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4688 params->htcaps_mask))
4689 return -1;
4690 }
4691
4692#ifdef CONFIG_VHT_OVERRIDES
4693 if (params->disable_vht) {
4694 wpa_printf(MSG_DEBUG, " * VHT disabled");
4695 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4696 return -1;
4697 }
4698
4699 if (params->vhtcaps && params->vhtcaps_mask) {
4700 int sz = sizeof(struct ieee80211_vht_capabilities);
4701 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
4702 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
4703 params->vhtcaps_mask, sz);
4704 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
4705 params->vhtcaps) ||
4706 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
4707 params->vhtcaps_mask))
4708 return -1;
4709 }
4710#endif /* CONFIG_VHT_OVERRIDES */
4711
4712 return 0;
4713}
4714
4715
5cc4d64b
JM		 4716static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
4717 struct wpa_driver_associate_params *params)
4718{
4719 struct nl_msg *msg;
4720 int ret = -1;
4721 int count = 0;
4722
4723 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
4724
4ec68377 4725 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 4726 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4727 "IBSS mode");
4728 return -1;
4729 }
4730
4731retry:
9725b784 4732 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM		 4733 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
4734 goto fail;
5cc4d64b
JM		 4735
4736 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4737 params->ssid, params->ssid_len);
a862e4a3
JM		 4738 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4739 goto fail;
5cc4d64b
JM		 4740 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4741 drv->ssid_len = params->ssid_len;
4742
85e1fad8
JM		 4743 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
4744 nl80211_put_beacon_int(msg, params->beacon_int))
a862e4a3 4745 goto fail;
5cc4d64b
JM		 4746
4747 ret = nl80211_set_conn_keys(params, msg);
4748 if (ret)
a862e4a3 4749 goto fail;
5cc4d64b 4750
913e3cf7
NC		 4751 if (params->bssid && params->fixed_bssid) {
4752 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
4753 MAC2STR(params->bssid));
a862e4a3
JM		 4754 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4755 goto fail;
913e3cf7
NC		 4756 }
4757
4d9e6fba
JD		 4758 if (params->fixed_freq) {
4759 wpa_printf(MSG_DEBUG, " * fixed_freq");
4760 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
4761 goto fail;
4762 }
4763
4848a38d
JM		 4764 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4765 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4766 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4767 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 4768 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM		 4769 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4770 goto fail;
e640888c
AQ		 4771 }
4772
a95795ad
JM		 4773 if (params->wpa_ie) {
4774 wpa_hexdump(MSG_DEBUG,
4775 " * Extra IEs for Beacon/Probe Response frames",
4776 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 4777 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
4778 params->wpa_ie))
4779 goto fail;
a95795ad
JM		 4780 }
4781
e15dcf6d
PK		 4782 ret = nl80211_ht_vht_overrides(msg, params);
4783 if (ret < 0)
4784 goto fail;
95ff3069 4785
5cc4d64b
JM		 4786 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4787 msg = NULL;
4788 if (ret) {
4789 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
4790 ret, strerror(-ret));
4791 count++;
4792 if (ret == -EALREADY && count == 1) {
4793 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
4794 "forced leave");
666e508c 4795 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM		 4796 nlmsg_free(msg);
4797 goto retry;
4798 }
a862e4a3
JM		 4799 } else {
4800 wpa_printf(MSG_DEBUG,
4801 "nl80211: Join IBSS request sent successfully");
5cc4d64b 4802 }
5cc4d64b 4803
a862e4a3 4804fail:
5cc4d64b
JM		 4805 nlmsg_free(msg);
4806 return ret;
4807}
4808
4809
a0bdd191
JM		 4810static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
4811 struct wpa_driver_associate_params *params,
4812 struct nl_msg *msg)
cfaab580 4813{
cfaab580
ZY		 4814 if (params->bssid) {
4815 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4816 MAC2STR(params->bssid));
a862e4a3
JM		 4817 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4818 return -1;
cfaab580 4819 }
a0bdd191 4820
7ac7fd43
DS		 4821 if (params->bssid_hint) {
4822 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
4823 MAC2STR(params->bssid_hint));
a862e4a3
JM		 4824 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
4825 params->bssid_hint))
4826 return -1;
7ac7fd43
DS		 4827 }
4828
4ec68377
JD		 4829 if (params->freq.freq) {
4830 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM		 4831 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
4832 params->freq.freq))
4833 return -1;
4ec68377 4834 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 4835 } else
4836 drv->assoc_freq = 0;
a0bdd191 4837
7ac7fd43
DS		 4838 if (params->freq_hint) {
4839 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM		 4840 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
4841 params->freq_hint))
4842 return -1;
7ac7fd43
DS		 4843 }
4844
1f6c0ab8
BS		 4845 if (params->bg_scan_period >= 0) {
4846 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
4847 params->bg_scan_period);
a862e4a3
JM		 4848 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
4849 params->bg_scan_period))
4850 return -1;
1f6c0ab8 4851 }
a0bdd191 4852
cfaab580
ZY		 4853 if (params->ssid) {
4854 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4855 params->ssid, params->ssid_len);
a862e4a3
JM		 4856 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4857 params->ssid))
4858 return -1;
cfaab580 4859 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 4860 return -1;
cfaab580
ZY		 4861 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4862 drv->ssid_len = params->ssid_len;
4863 }
a0bdd191 4864
cfaab580 4865 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 4866 if (params->wpa_ie &&
4867 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
4868 return -1;
cfaab580 4869
64fa840a
JM		 4870 if (params->wpa_proto) {
4871 enum nl80211_wpa_versions ver = 0;
cfaab580 4872
64fa840a
JM		 4873 if (params->wpa_proto & WPA_PROTO_WPA)
4874 ver |= NL80211_WPA_VERSION_1;
4875 if (params->wpa_proto & WPA_PROTO_RSN)
4876 ver |= NL80211_WPA_VERSION_2;
cfaab580 4877
64fa840a 4878 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM		 4879 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4880 return -1;
cfaab580
ZY		 4881 }
4882
4848a38d 4883 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 4884 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
4885 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM		 4886 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4887 cipher))
4888 return -1;
cfaab580
ZY		 4889 }
4890
ae6f9272
JM		 4891 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
4892 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
4893 /*
4894 * This is likely to work even though many drivers do not
4895 * advertise support for operations without GTK.
4896 */
4897 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4898 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 4899 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
4900 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM		 4901 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
4902 return -1;
cfaab580
ZY		 4903 }
4904
4848a38d
JM		 4905 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4906 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4907 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
4908 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 4909 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 4910 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
4911 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8 4912 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5e3b5197
JM		 4913 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
4914 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
cfaab580
ZY		 4915 int mgmt = WLAN_AKM_SUITE_PSK;
4916
4917 switch (params->key_mgmt_suite) {
4848a38d 4918 case WPA_KEY_MGMT_CCKM:
369c8d7b
JM		 4919 mgmt = WLAN_AKM_SUITE_CCKM;
4920 break;
4848a38d 4921 case WPA_KEY_MGMT_IEEE8021X:
cfaab580
ZY		 4922 mgmt = WLAN_AKM_SUITE_8021X;
4923 break;
4848a38d 4924 case WPA_KEY_MGMT_FT_IEEE8021X:
6a1ce395
DG		 4925 mgmt = WLAN_AKM_SUITE_FT_8021X;
4926 break;
4848a38d 4927 case WPA_KEY_MGMT_FT_PSK:
6a1ce395
DG		 4928 mgmt = WLAN_AKM_SUITE_FT_PSK;
4929 break;
8802326f
JJ		 4930 case WPA_KEY_MGMT_IEEE8021X_SHA256:
4931 mgmt = WLAN_AKM_SUITE_8021X_SHA256;
4932 break;
4933 case WPA_KEY_MGMT_PSK_SHA256:
4934 mgmt = WLAN_AKM_SUITE_PSK_SHA256;
4935 break;
163f801e
JM		 4936 case WPA_KEY_MGMT_OSEN:
4937 mgmt = WLAN_AKM_SUITE_OSEN;
4938 break;
666497c8
JM		 4939 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
4940 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
4941 break;
5e3b5197
JM		 4942 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
4943 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B_192;
4944 break;
4848a38d 4945 case WPA_KEY_MGMT_PSK:
cfaab580
ZY		 4946 default:
4947 mgmt = WLAN_AKM_SUITE_PSK;
4948 break;
4949 }
163f801e 4950 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM		 4951 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
4952 return -1;
cfaab580
ZY		 4953 }
4954
a862e4a3
JM		 4955 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4956 return -1;
a0bdd191 4957
e3429c0b
JB		 4958 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
4959 (params->pairwise_suite == WPA_CIPHER_NONE ||
4960 params->pairwise_suite == WPA_CIPHER_WEP104 ||
4961 params->pairwise_suite == WPA_CIPHER_WEP40) &&
4962 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
4963 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
4964 return -1;
4965
a862e4a3
JM		 4966 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
4967 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
4968 return -1;
a565084f 4969
58162adf
AK		 4970 if (params->rrm_used) {
4971 u32 drv_rrm_flags = drv->capa.rrm_flags;
b5d172e5
BL		 4972 if ((!((drv_rrm_flags &
4973 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
4974 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
4975 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
a862e4a3
JM		 4976 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
4977 return -1;
58162adf
AK		 4978 }
4979
95ff3069 4980 if (nl80211_ht_vht_overrides(msg, params) < 0)
a862e4a3 4981 return -1;
80e8a5ee 4982
a0bdd191
JM		 4983 if (params->p2p)
4984 wpa_printf(MSG_DEBUG, " * P2P group");
4985
86b5c400
LD		 4986 if (params->pbss) {
4987 wpa_printf(MSG_DEBUG, " * PBSS");
4988 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4989 return -1;
4990 }
4991
1126c078 4992 drv->connect_reassoc = 0;
00c3c4ac
JM		 4993 if (params->prev_bssid) {
4994 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
4995 MAC2STR(params->prev_bssid));
4996 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
4997 params->prev_bssid))
4998 return -1;
1126c078 4999 drv->connect_reassoc = 1;
00c3c4ac
JM		 5000 }
5001
a0bdd191 5002 return 0;
a0bdd191
JM		 5003}
5004
5005
5006static int wpa_driver_nl80211_try_connect(
5007 struct wpa_driver_nl80211_data *drv,
5008 struct wpa_driver_associate_params *params)
5009{
5010 struct nl_msg *msg;
5011 enum nl80211_auth_type type;
5012 int ret;
5013 int algs;
5014
b658547d 5015#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 5016 if (params->req_key_mgmt_offload && params->psk &&
5017 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5018 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5019 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5020 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5021 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5022 if (ret)
5023 return ret;
5024 }
b658547d 5025#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 5026
9725b784
JM		 5027 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5028 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM		 5029 if (!msg)
5030 return -1;
5031
a0bdd191
JM		 5032 ret = nl80211_connect_common(drv, params, msg);
5033 if (ret)
a862e4a3 5034 goto fail;
a0bdd191
JM		 5035
5036 algs = 0;
5037 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5038 algs++;
5039 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5040 algs++;
5041 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5042 algs++;
5043 if (algs > 1) {
5044 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5045 "selection");
5046 goto skip_auth_type;
5047 }
5048
5049 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5050 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
5051 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5052 type = NL80211_AUTHTYPE_SHARED_KEY;
5053 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5054 type = NL80211_AUTHTYPE_NETWORK_EAP;
5055 else if (params->auth_alg & WPA_AUTH_ALG_FT)
5056 type = NL80211_AUTHTYPE_FT;
5057 else
a862e4a3 5058 goto fail;
a0bdd191
JM		 5059
5060 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
a862e4a3
JM		 5061 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
5062 goto fail;
a0bdd191
JM		 5063
5064skip_auth_type:
cfaab580
ZY		 5065 ret = nl80211_set_conn_keys(params, msg);
5066 if (ret)
a862e4a3 5067 goto fail;
cfaab580
ZY		 5068
5069 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5070 msg = NULL;
5071 if (ret) {
5072 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5073 "(%s)", ret, strerror(-ret));
a862e4a3
JM		 5074 } else {
5075 wpa_printf(MSG_DEBUG,
5076 "nl80211: Connect request send successfully");
cfaab580 5077 }
cfaab580 5078
a862e4a3 5079fail:
cfaab580
ZY		 5080 nlmsg_free(msg);
5081 return ret;
5082
5083}
5084
5085
a8c5b43a
CW		 5086static int wpa_driver_nl80211_connect(
5087 struct wpa_driver_nl80211_data *drv,
5088 struct wpa_driver_associate_params *params)
5089{
0d4e3d1d
JJ		 5090 int ret;
5091
5092 /* Store the connection attempted bssid for future use */
5093 if (params->bssid)
5094 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5095 else
5096 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5097
5098 ret = wpa_driver_nl80211_try_connect(drv, params);
a8c5b43a
CW		 5099 if (ret == -EALREADY) {
5100 /*
5101 * cfg80211 does not currently accept new connections if
5102 * we are already connected. As a workaround, force
5103 * disconnection and try again.
5104 */
5105 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5106 "disconnecting before reassociation "
5107 "attempt");
5108 if (wpa_driver_nl80211_disconnect(
5109 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
5110 return -1;
a8c5b43a
CW		 5111 ret = wpa_driver_nl80211_try_connect(drv, params);
5112 }
5113 return ret;
5114}
5115
5116
c2a04078
JM		 5117static int wpa_driver_nl80211_associate(
5118 void *priv, struct wpa_driver_associate_params *params)
5119{
a2e40bb6
FF		 5120 struct i802_bss *bss = priv;
5121 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 5122 int ret = -1;
c2a04078
JM		 5123 struct nl_msg *msg;
5124
4bd71954
JM		 5125 nl80211_unmask_11b_rates(bss);
5126
5cc4d64b 5127 if (params->mode == IEEE80211_MODE_AP)
1581b38b 5128 return wpa_driver_nl80211_ap(drv, params);
1581b38b 5129
5cc4d64b
JM		 5130 if (params->mode == IEEE80211_MODE_IBSS)
5131 return wpa_driver_nl80211_ibss(drv, params);
5132
4a867032 5133 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 5134 enum nl80211_iftype nlmode = params->p2p ?
5135 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5136
5137 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 5138 return -1;
cfaab580 5139 return wpa_driver_nl80211_connect(drv, params);
4a867032 5140 }
cfaab580 5141
add9b7a4 5142 nl80211_mark_disconnected(drv);
c2a04078 5143
c2a04078
JM		 5144 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
5145 drv->ifindex);
9725b784
JM		 5146 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
5147 if (!msg)
5148 return -1;
c2a04078 5149
a0bdd191
JM		 5150 ret = nl80211_connect_common(drv, params, msg);
5151 if (ret)
a862e4a3 5152 goto fail;
01652550 5153
c2a04078
JM		 5154 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5155 msg = NULL;
5156 if (ret) {
3b7ea880
BG		 5157 wpa_dbg(drv->ctx, MSG_DEBUG,
5158 "nl80211: MLME command failed (assoc): ret=%d (%s)",
5159 ret, strerror(-ret));
8856462d 5160 nl80211_dump_scan(drv);
a862e4a3
JM		 5161 } else {
5162 wpa_printf(MSG_DEBUG,
5163 "nl80211: Association request send successfully");
c2a04078 5164 }
c2a04078 5165
a862e4a3 5166fail:
c2a04078
JM		 5167 nlmsg_free(msg);
5168 return ret;
5169}
3f5285e8
JM		 5170
5171
ad1e68e6 5172static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 5173 int ifindex, enum nl80211_iftype mode)
3f5285e8 5174{
3f5285e8 5175 struct nl_msg *msg;
ad1e68e6
JM		 5176 int ret = -ENOBUFS;
5177
a1922f93
JM		 5178 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
5179 ifindex, mode, nl80211_iftype_str(mode));
5180
56f77852
JM		 5181 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
5182 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 5183 goto fail;
ad1e68e6
JM		 5184
5185 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 5186 msg = NULL;
ad1e68e6
JM		 5187 if (!ret)
5188 return 0;
a862e4a3 5189fail:
5883168a 5190 nlmsg_free(msg);
ad1e68e6
JM		 5191 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
5192 " %d (%s)", ifindex, mode, ret, strerror(-ret));
5193 return ret;
5194}
5195
5196
3c5d34e3
CW		 5197static int wpa_driver_nl80211_set_mode_impl(
5198 struct i802_bss *bss,
5199 enum nl80211_iftype nlmode,
5200 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 5201{
a2e40bb6 5202 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 5203 int ret = -1;
26af9dca 5204 int i;
86957e62 5205 int was_ap = is_ap_interface(drv->nlmode);
671a5039 5206 int res;
ebffdbc4 5207 int mode_switch_res;
1581b38b 5208
a5a187b0
JM		 5209 if (TEST_FAIL())
5210 return -1;
5211
ebffdbc4
CW		 5212 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5213 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
5214 mode_switch_res = 0;
8e12685c 5215
ebffdbc4 5216 if (mode_switch_res == 0) {
ad1e68e6 5217 drv->nlmode = nlmode;
460456f8
JM		 5218 ret = 0;
5219 goto done;
ad1e68e6 5220 }
3f5285e8 5221
ebffdbc4 5222 if (mode_switch_res == -ENODEV)
671a5039
JM		 5223 return -1;
5224
460456f8 5225 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 5226 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
5227 "requested mode - ignore error");
460456f8
JM		 5228 ret = 0;
5229 goto done; /* Already in the requested mode */
5230 }
3f5285e8 5231
3f5285e8
JM		 5232 /* mac80211 doesn't allow mode changes while the device is up, so
5233 * take the device down, try to set the mode again, and bring the
5234 * device back up.
5235 */
26af9dca
JM		 5236 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
5237 "interface down");
5238 for (i = 0; i < 10; i++) {
91724d6f 5239 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 5240 if (res == -EACCES || res == -ENODEV)
5241 break;
ebffdbc4 5242 if (res != 0) {
26af9dca
JM		 5243 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
5244 "interface down");
ebffdbc4
CW		 5245 os_sleep(0, 100000);
5246 continue;
5247 }
3c5d34e3
CW		 5248
5249 /*
5250 * Setting the mode will fail for some drivers if the phy is
5251 * on a frequency that the mode is disallowed in.
5252 */
5253 if (desired_freq_params) {
bdf5ccb2 5254 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW		 5255 if (res) {
5256 wpa_printf(MSG_DEBUG,
5257 "nl80211: Failed to set frequency on interface");
5258 }
5259 }
5260
ebffdbc4
CW		 5261 /* Try to set the mode again while the interface is down */
5262 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5263 if (mode_switch_res == -EBUSY) {
5264 wpa_printf(MSG_DEBUG,
5265 "nl80211: Delaying mode set while interface going down");
5266 os_sleep(0, 100000);
5267 continue;
5268 }
5269 ret = mode_switch_res;
5270 break;
3f5285e8
JM		 5271 }
5272
c6e8e8e4
JM		 5273 if (!ret) {
5274 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
5275 "interface is down");
ad1e68e6 5276 drv->nlmode = nlmode;
7d9c3698 5277 drv->ignore_if_down_event = 1;
c6e8e8e4 5278 }
ad1e68e6 5279
ebffdbc4
CW		 5280 /* Bring the interface back up */
5281 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
5282 if (res != 0) {
5283 wpa_printf(MSG_DEBUG,
5284 "nl80211: Failed to set interface up after switching mode");
5285 ret = -1;
5286 }
5287
460456f8 5288done:
3fd1cefb
JB		 5289 if (ret) {
5290 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
5291 "from %d failed", nlmode, drv->nlmode);
5292 return ret;
5293 }
5294
3e208481
JM		 5295 if (is_p2p_net_interface(nlmode)) {
5296 wpa_printf(MSG_DEBUG,
5297 "nl80211: Interface %s mode change to P2P - disable 11b rates",
5298 bss->ifname);
edb9bfba 5299 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM		 5300 } else if (drv->disabled_11b_rates) {
5301 wpa_printf(MSG_DEBUG,
5302 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
5303 bss->ifname);
1d0c6fb1 5304 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 5305 }
edb9bfba 5306
3fd1cefb 5307 if (is_ap_interface(nlmode)) {
36488c05 5308 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 5309 /* Setup additional AP mode functionality if needed */
3fd1cefb 5310 if (nl80211_setup_ap(bss))
460456f8 5311 return -1;
3fd1cefb 5312 } else if (was_ap) {
460456f8 5313 /* Remove additional AP mode functionality */
3fd1cefb 5314 nl80211_teardown_ap(bss);
a11241fa 5315 } else {
36488c05 5316 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 5317 }
460456f8 5318
afb0550a
BC		 5319 if (is_mesh_interface(nlmode) &&
5320 nl80211_mgmt_subscribe_mesh(bss))
5321 return -1;
5322
873d0fcf 5323 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 5324 !is_mesh_interface(nlmode) &&
a11241fa
JB		 5325 nl80211_mgmt_subscribe_non_ap(bss) < 0)
5326 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
5327 "frame processing - ignore for now");
08359050 5328
3fd1cefb 5329 return 0;
3f5285e8
JM		 5330}
5331
5332
f3407c66
JM		 5333int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
5334 enum nl80211_iftype nlmode)
3c5d34e3
CW		 5335{
5336 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
5337}
5338
5339
4ec68377
JD		 5340static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
5341 struct hostapd_freq_params *freq)
3c5d34e3 5342{
3c5d34e3 5343 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 5344 freq);
3c5d34e3 5345}
65d645ce
AS		 5346
5347
3f5285e8
JM		 5348static int wpa_driver_nl80211_get_capa(void *priv,
5349 struct wpa_driver_capa *capa)
5350{
a2e40bb6
FF		 5351 struct i802_bss *bss = priv;
5352 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 5353
3f5285e8
JM		 5354 if (!drv->has_capability)
5355 return -1;
5356 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 5357 if (drv->extended_capa && drv->extended_capa_mask) {
5358 capa->extended_capa = drv->extended_capa;
5359 capa->extended_capa_mask = drv->extended_capa_mask;
5360 capa->extended_capa_len = drv->extended_capa_len;
5361 }
851b0c55 5362
906bc4c7 5363 return 0;
3f5285e8
JM		 5364}
5365
5366
5367static int wpa_driver_nl80211_set_operstate(void *priv, int state)
5368{
a2e40bb6
FF		 5369 struct i802_bss *bss = priv;
5370 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 5371
90a545cc
JM		 5372 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
5373 bss->ifname, drv->operstate, state,
5374 state ? "UP" : "DORMANT");
3f5285e8 5375 drv->operstate = state;
36d84860 5376 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 5377 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 5378}
5379
01652550
JM		 5380
5381static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
5382{
a2e40bb6
FF		 5383 struct i802_bss *bss = priv;
5384 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 5385 struct nl_msg *msg;
5386 struct nl80211_sta_flag_update upd;
a862e4a3 5387 int ret;
2eef5177
JM		 5388
5389 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
5390 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
5391 return 0;
5392 }
01652550 5393
1ba51ec0
JM		 5394 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
5395 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
5396
01652550
JM		 5397 os_memset(&upd, 0, sizeof(upd));
5398 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
5399 if (authorized)
5400 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 5401
13f83980 5402 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5403 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
5404 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
5405 nlmsg_free(msg);
5406 return -ENOBUFS;
5407 }
01652550 5408
2eef5177 5409 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM		 5410 if (!ret)
5411 return 0;
2eef5177
JM		 5412 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
5413 ret, strerror(-ret));
5414 return ret;
01652550
JM		 5415}
5416
3f5285e8 5417
f07ead6a
JM		 5418/* Set kernel driver on given frequency (MHz) */
5419static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 5420{
f07ead6a 5421 struct i802_bss *bss = priv;
13a524a3 5422 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 5423}
5424
f7b3920c 5425
c5121837
JM		 5426static inline int min_int(int a, int b)
5427{
5428 if (a < b)
5429 return a;
5430 return b;
5431}
5432
5433
5434static int get_key_handler(struct nl_msg *msg, void *arg)
5435{
5436 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5437 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5438
5439 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5440 genlmsg_attrlen(gnlh, 0), NULL);
5441
5442 /*
5443 * TODO: validate the key index and mac address!
5444 * Otherwise, there's a race condition as soon as
5445 * the kernel starts sending key notifications.
5446 */
5447
5448 if (tb[NL80211_ATTR_KEY_SEQ])
5449 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
5450 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
5451 return NL_SKIP;
5452}
5453
5454
5455static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
5456 int idx, u8 *seq)
5457{
a2e40bb6
FF		 5458 struct i802_bss *bss = priv;
5459 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5460 struct nl_msg *msg;
5461
95376e1a
JM		 5462 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
5463 NL80211_CMD_GET_KEY);
5464 if (!msg ||
a862e4a3 5465 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 5466 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM		 5467 nlmsg_free(msg);
5468 return -ENOBUFS;
5469 }
c5121837
JM		 5470
5471 memset(seq, 0, 6);
5472
5473 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM		 5474}
5475
5476
c5121837
JM		 5477static int i802_set_rts(void *priv, int rts)
5478{
a2e40bb6
FF		 5479 struct i802_bss *bss = priv;
5480 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 5481 struct nl_msg *msg;
a862e4a3 5482 int ret;
ad649451 5483 u32 val;
c5121837 5484
ad649451
JM		 5485 if (rts >= 2347)
5486 val = (u32) -1;
5487 else
5488 val = rts;
c5121837 5489
9725b784 5490 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 5491 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
5492 nlmsg_free(msg);
5493 return -ENOBUFS;
5494 }
ad649451
JM		 5495
5496 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5497 if (!ret)
5498 return 0;
ad649451
JM		 5499 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
5500 "%d (%s)", rts, ret, strerror(-ret));
5501 return ret;
c5121837
JM		 5502}
5503
5504
5505static int i802_set_frag(void *priv, int frag)
5506{
a2e40bb6
FF		 5507 struct i802_bss *bss = priv;
5508 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 5509 struct nl_msg *msg;
a862e4a3 5510 int ret;
ad649451 5511 u32 val;
c5121837 5512
ad649451
JM		 5513 if (frag >= 2346)
5514 val = (u32) -1;
5515 else
5516 val = frag;
c5121837 5517
9725b784 5518 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 5519 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
5520 nlmsg_free(msg);
5521 return -ENOBUFS;
5522 }
ad649451
JM		 5523
5524 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5525 if (!ret)
5526 return 0;
ad649451
JM		 5527 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
5528 "%d: %d (%s)", frag, ret, strerror(-ret));
5529 return ret;
c5121837
JM		 5530}
5531
5532
c5121837
JM		 5533static int i802_flush(void *priv)
5534{
a2e40bb6 5535 struct i802_bss *bss = priv;
c5121837 5536 struct nl_msg *msg;
82554b10 5537 int res;
c5121837 5538
83e7bb0e
JM		 5539 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5540 bss->ifname);
c5121837
JM		 5541
5542 /*
5543 * XXX: FIX! this needs to flush all VLANs too
5544 */
13f83980
JM		 5545 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5546 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM		 5547 if (res) {
5548 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5549 "(%s)", res, strerror(-res));
5550 }
5551 return res;
c5121837
JM		 5552}
5553
5554
5555static int get_sta_handler(struct nl_msg *msg, void *arg)
5556{
5557 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5558 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5559 struct hostap_sta_driver_data *data = arg;
5560 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5561 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5562 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5563 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5564 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5565 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5566 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 5567 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
43022abd
NL		 5568 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
5569 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
c5121837
JM		 5570 };
5571
5572 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5573 genlmsg_attrlen(gnlh, 0), NULL);
5574
5575 /*
5576 * TODO: validate the interface and mac address!
5577 * Otherwise, there's a race condition as soon as
5578 * the kernel starts sending station notifications.
5579 */
5580
5581 if (!tb[NL80211_ATTR_STA_INFO]) {
5582 wpa_printf(MSG_DEBUG, "sta stats missing!");
5583 return NL_SKIP;
5584 }
5585 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5586 tb[NL80211_ATTR_STA_INFO],
5587 stats_policy)) {
5588 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5589 return NL_SKIP;
5590 }
5591
5592 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5593 data->inactive_msec =
5594 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
43022abd 5595 /* For backwards compatibility, fetch the 32-bit counters first. */
c5121837
JM		 5596 if (stats[NL80211_STA_INFO_RX_BYTES])
5597 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5598 if (stats[NL80211_STA_INFO_TX_BYTES])
5599 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
43022abd
NL		 5600 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
5601 stats[NL80211_STA_INFO_TX_BYTES64]) {
5602 /*
5603 * The driver supports 64-bit counters, so use them to override
5604 * the 32-bit values.
5605 */
5606 data->rx_bytes =
5607 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
5608 data->tx_bytes =
5609 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
5610 data->bytes_64bit = 1;
5611 }
c5121837
JM		 5612 if (stats[NL80211_STA_INFO_RX_PACKETS])
5613 data->rx_packets =
5614 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5615 if (stats[NL80211_STA_INFO_TX_PACKETS])
5616 data->tx_packets =
5617 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 5618 if (stats[NL80211_STA_INFO_TX_FAILED])
5619 data->tx_retry_failed =
5620 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 5621
5622 return NL_SKIP;
5623}
5624
9ebce9c5
JM		 5625static int i802_read_sta_data(struct i802_bss *bss,
5626 struct hostap_sta_driver_data *data,
c5121837
JM		 5627 const u8 *addr)
5628{
c5121837
JM		 5629 struct nl_msg *msg;
5630
5631 os_memset(data, 0, sizeof(*data));
c5121837 5632
13f83980
JM		 5633 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
5634 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM		 5635 nlmsg_free(msg);
5636 return -ENOBUFS;
5637 }
c5121837 5638
13f83980 5639 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM		 5640}
5641
5642
c5121837
JM		 5643static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
5644 int cw_min, int cw_max, int burst_time)
5645{
a2e40bb6
FF		 5646 struct i802_bss *bss = priv;
5647 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5648 struct nl_msg *msg;
5649 struct nlattr *txq, *params;
5650
13f83980 5651 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM		 5652 if (!msg)
5653 return -1;
5654
c5121837
JM		 5655 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
5656 if (!txq)
a862e4a3 5657 goto fail;
c5121837
JM		 5658
5659 /* We are only sending parameters for a single TXQ at a time */
5660 params = nla_nest_start(msg, 1);
5661 if (!params)
a862e4a3 5662 goto fail;
c5121837 5663
7e3c1781
JM		 5664 switch (queue) {
5665 case 0:
a862e4a3
JM		 5666 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
5667 goto fail;
7e3c1781
JM		 5668 break;
5669 case 1:
a862e4a3
JM		 5670 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
5671 goto fail;
7e3c1781
JM		 5672 break;
5673 case 2:
a862e4a3
JM		 5674 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
5675 goto fail;
7e3c1781
JM		 5676 break;
5677 case 3:
a862e4a3
JM		 5678 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
5679 goto fail;
7e3c1781
JM		 5680 break;
5681 }
c5121837
JM		 5682 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5683 * 32 usec, so need to convert the value here. */
a862e4a3
JM		 5684 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
5685 (burst_time * 100 + 16) / 32) ||
5686 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
5687 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
5688 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
5689 goto fail;
c5121837
JM		 5690
5691 nla_nest_end(msg, params);
5692
5693 nla_nest_end(msg, txq);
5694
5695 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5696 return 0;
9e088e74 5697 msg = NULL;
a862e4a3 5698fail:
9e088e74 5699 nlmsg_free(msg);
c5121837
JM		 5700 return -1;
5701}
5702
5703
9ebce9c5 5704static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 5705 const char *ifname, int vlan_id)
5706{
a2e40bb6 5707 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 5708 struct nl_msg *msg;
a862e4a3 5709 int ret;
c5121837 5710
bbc706a3
JM		 5711 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5712 ", ifname=%s[%d], vlan_id=%d)",
5713 bss->ifname, if_nametoindex(bss->ifname),
5714 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 5715 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5716 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5717 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
5718 nlmsg_free(msg);
5719 return -ENOBUFS;
5720 }
c5121837 5721
cd1d72c1
JM		 5722 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5723 if (ret < 0) {
5724 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5725 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
5726 MAC2STR(addr), ifname, vlan_id, ret,
5727 strerror(-ret));
5728 }
cd1d72c1 5729 return ret;
c5121837
JM		 5730}
5731
fbbfcbac 5732
c5121837
JM		 5733static int i802_get_inact_sec(void *priv, const u8 *addr)
5734{
5735 struct hostap_sta_driver_data data;
5736 int ret;
5737
5738 data.inactive_msec = (unsigned long) -1;
5739 ret = i802_read_sta_data(priv, &data, addr);
b9749bac
MH		 5740 if (ret == -ENOENT)
5741 return -ENOENT;
c5121837
JM		 5742 if (ret || data.inactive_msec == (unsigned long) -1)
5743 return -1;
5744 return data.inactive_msec / 1000;
5745}
5746
5747
5748static int i802_sta_clear_stats(void *priv, const u8 *addr)
5749{
5750#if 0
5751 /* TODO */
5752#endif
5753 return 0;
5754}
5755
5756
731723a5
JM		 5757static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
5758 int reason)
c5121837 5759{
a2e40bb6 5760 struct i802_bss *bss = priv;
e1bd4e19 5761 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5762 struct ieee80211_mgmt mgmt;
5763
0d391b03
BC		 5764 if (is_mesh_interface(drv->nlmode))
5765 return -1;
5766
e1bd4e19 5767 if (drv->device_ap_sme)
59d7148a 5768 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 5769
c5121837
JM		 5770 memset(&mgmt, 0, sizeof(mgmt));
5771 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5772 WLAN_FC_STYPE_DEAUTH);
5773 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 5774 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5775 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 5776 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 5777 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 5778 IEEE80211_HDRLEN +
9ebce9c5 5779 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
2d3943ce 5780 0, NULL, 0);
c5121837
JM		 5781}
5782
5783
731723a5
JM		 5784static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
5785 int reason)
c5121837 5786{
a2e40bb6 5787 struct i802_bss *bss = priv;
e1bd4e19 5788 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5789 struct ieee80211_mgmt mgmt;
5790
0d391b03
BC		 5791 if (is_mesh_interface(drv->nlmode))
5792 return -1;
5793
e1bd4e19 5794 if (drv->device_ap_sme)
59d7148a 5795 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 5796
c5121837
JM		 5797 memset(&mgmt, 0, sizeof(mgmt));
5798 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5799 WLAN_FC_STYPE_DISASSOC);
5800 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 5801 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5802 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 5803 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 5804 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 5805 IEEE80211_HDRLEN +
9ebce9c5 5806 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
2d3943ce 5807 0, NULL, 0);
c5121837
JM		 5808}
5809
5810
9b4d9c8b
JM		 5811static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
5812{
5813 char buf[200], *pos, *end;
5814 int i, res;
5815
5816 pos = buf;
5817 end = pos + sizeof(buf);
5818
5819 for (i = 0; i < drv->num_if_indices; i++) {
5820 if (!drv->if_indices[i])
5821 continue;
732b1d20
MB		 5822 res = os_snprintf(pos, end - pos, " %d(%d)",
5823 drv->if_indices[i],
5824 drv->if_indices_reason[i]);
d85e1fc8 5825 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM		 5826 break;
5827 pos += res;
5828 }
5829 *pos = '\0';
5830
5831 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
5832 drv->num_if_indices, buf);
5833}
5834
5835
732b1d20
MB		 5836static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
5837 int ifidx_reason)
f07ead6a
JM		 5838{
5839 int i;
732b1d20 5840 int *old, *old_reason;
f07ead6a 5841
732b1d20
MB		 5842 wpa_printf(MSG_DEBUG,
5843 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
5844 ifidx, ifidx_reason);
5845 if (have_ifidx(drv, ifidx, ifidx_reason)) {
b36935be
MB		 5846 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
5847 ifidx);
5848 return;
5849 }
f07ead6a
JM		 5850 for (i = 0; i < drv->num_if_indices; i++) {
5851 if (drv->if_indices[i] == 0) {
5852 drv->if_indices[i] = ifidx;
732b1d20 5853 drv->if_indices_reason[i] = ifidx_reason;
9b4d9c8b 5854 dump_ifidx(drv);
f07ead6a
JM		 5855 return;
5856 }
5857 }
5858
5859 if (drv->if_indices != drv->default_if_indices)
5860 old = drv->if_indices;
5861 else
5862 old = NULL;
5863
732b1d20
MB		 5864 if (drv->if_indices_reason != drv->default_if_indices_reason)
5865 old_reason = drv->if_indices_reason;
5866 else
5867 old_reason = NULL;
5868
067ffa26
JM		 5869 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
5870 sizeof(int));
732b1d20
MB		 5871 drv->if_indices_reason = os_realloc_array(old_reason,
5872 drv->num_if_indices + 1,
5873 sizeof(int));
f07ead6a
JM		 5874 if (!drv->if_indices) {
5875 if (!old)
5876 drv->if_indices = drv->default_if_indices;
5877 else
5878 drv->if_indices = old;
732b1d20
MB		 5879 }
5880 if (!drv->if_indices_reason) {
5881 if (!old_reason)
5882 drv->if_indices_reason = drv->default_if_indices_reason;
5883 else
29eddc3d 5884 drv->if_indices_reason = old_reason;
732b1d20
MB		 5885 }
5886 if (!drv->if_indices || !drv->if_indices_reason) {
f07ead6a
JM		 5887 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
5888 "interfaces");
5889 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
5890 return;
732b1d20
MB		 5891 }
5892 if (!old)
f07ead6a
JM		 5893 os_memcpy(drv->if_indices, drv->default_if_indices,
5894 sizeof(drv->default_if_indices));
732b1d20
MB		 5895 if (!old_reason)
5896 os_memcpy(drv->if_indices_reason,
5897 drv->default_if_indices_reason,
5898 sizeof(drv->default_if_indices_reason));
f07ead6a 5899 drv->if_indices[drv->num_if_indices] = ifidx;
732b1d20 5900 drv->if_indices_reason[drv->num_if_indices] = ifidx_reason;
f07ead6a 5901 drv->num_if_indices++;
9b4d9c8b 5902 dump_ifidx(drv);
f07ead6a
JM		 5903}
5904
5905
732b1d20
MB		 5906static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
5907 int ifidx_reason)
f07ead6a
JM		 5908{
5909 int i;
5910
5911 for (i = 0; i < drv->num_if_indices; i++) {
732b1d20
MB		 5912 if ((drv->if_indices[i] == ifidx || ifidx == IFIDX_ANY) &&
5913 (drv->if_indices_reason[i] == ifidx_reason ||
5914 ifidx_reason == IFIDX_ANY)) {
f07ead6a
JM		 5915 drv->if_indices[i] = 0;
5916 break;
5917 }
5918 }
9b4d9c8b 5919 dump_ifidx(drv);
f07ead6a
JM		 5920}
5921
5922
732b1d20
MB		 5923static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
5924 int ifidx_reason)
f07ead6a
JM		 5925{
5926 int i;
5927
5928 for (i = 0; i < drv->num_if_indices; i++)
732b1d20
MB		 5929 if (drv->if_indices[i] == ifidx &&
5930 (drv->if_indices_reason[i] == ifidx_reason ||
5931 ifidx_reason == IFIDX_ANY))
f07ead6a
JM		 5932 return 1;
5933
5934 return 0;
5935}
5936
5937
5938static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 5939 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 5940{
5941 struct i802_bss *bss = priv;
5942 struct wpa_driver_nl80211_data *drv = bss->drv;
5943 char name[IFNAMSIZ + 1];
5944
5945 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 5946 if (ifname_wds)
5947 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
5948
f07ead6a
JM		 5949 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
5950 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
5951 if (val) {
5952 if (!if_nametoindex(name)) {
5953 if (nl80211_create_iface(drv, name,
5954 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 5955 bss->addr, 1, NULL, NULL, 0) <
5956 0)
f07ead6a
JM		 5957 return -1;
5958 if (bridge_ifname &&
c81eff1a
BG		 5959 linux_br_add_if(drv->global->ioctl_sock,
5960 bridge_ifname, name) < 0)
f07ead6a
JM		 5961 return -1;
5962 }
75227f3a
JM		 5963 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
5964 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
5965 "interface %s up", name);
5966 }
f07ead6a
JM		 5967 return i802_set_sta_vlan(priv, addr, name, 0);
5968 } else {
c34e618d
FF		 5969 if (bridge_ifname)
5970 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
5971 name);
5972
f07ead6a 5973 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25
FF		 5974 nl80211_remove_iface(drv, if_nametoindex(name));
5975 return 0;
f07ead6a
JM		 5976 }
5977}
5978
5979
5980static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
5981{
5982 struct wpa_driver_nl80211_data *drv = eloop_ctx;
5983 struct sockaddr_ll lladdr;
5984 unsigned char buf[3000];
5985 int len;
5986 socklen_t fromlen = sizeof(lladdr);
5987
5988 len = recvfrom(sock, buf, sizeof(buf), 0,
5989 (struct sockaddr *)&lladdr, &fromlen);
5990 if (len < 0) {
7ac3616d
JM		 5991 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
5992 strerror(errno));
f07ead6a
JM		 5993 return;
5994 }
5995
732b1d20 5996 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
f07ead6a
JM		 5997 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
5998}
5999
6000
94627f6c 6001static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 6002 struct i802_bss *bss,
94627f6c
JM		 6003 const char *brname, const char *ifname)
6004{
6c6678e7 6005 int br_ifindex;
94627f6c
JM		 6006 char in_br[IFNAMSIZ];
6007
e17a2477 6008 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 6009 br_ifindex = if_nametoindex(brname);
6c6678e7 6010 if (br_ifindex == 0) {
94627f6c
JM		 6011 /*
6012 * Bridge was configured, but the bridge device does
6013 * not exist. Try to add it now.
6014 */
c81eff1a 6015 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 6016 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
6017 "bridge interface %s: %s",
6018 brname, strerror(errno));
6019 return -1;
6020 }
e17a2477 6021 bss->added_bridge = 1;
8997613c 6022 br_ifindex = if_nametoindex(brname);
732b1d20 6023 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 6024 }
8997613c 6025 bss->br_ifindex = br_ifindex;
94627f6c
JM		 6026
6027 if (linux_br_get(in_br, ifname) == 0) {
6028 if (os_strcmp(in_br, brname) == 0)
6029 return 0; /* already in the bridge */
6030
6031 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
6032 "bridge %s", ifname, in_br);
c81eff1a
BG		 6033 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
6034 0) {
94627f6c
JM		 6035 wpa_printf(MSG_ERROR, "nl80211: Failed to "
6036 "remove interface %s from bridge "
6037 "%s: %s",
6038 ifname, brname, strerror(errno));
6039 return -1;
6040 }
6041 }
6042
6043 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
6044 ifname, brname);
c81eff1a 6045 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 6046 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
6047 "into bridge %s: %s",
6048 ifname, brname, strerror(errno));
6049 return -1;
6050 }
e17a2477 6051 bss->added_if_into_bridge = 1;
94627f6c
JM		 6052
6053 return 0;
6054}
6055
6056
92f475b4
JM		 6057static void *i802_init(struct hostapd_data *hapd,
6058 struct wpa_init_params *params)
c5121837
JM		 6059{
6060 struct wpa_driver_nl80211_data *drv;
a2e40bb6 6061 struct i802_bss *bss;
c5121837 6062 size_t i;
cb05808c
AN		 6063 char master_ifname[IFNAMSIZ];
6064 int ifindex, br_ifindex = 0;
94627f6c 6065 int br_added = 0;
c5121837 6066
0d547d5f
JM		 6067 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
6068 params->global_priv, 1,
0ecff8d7 6069 params->bssid, params->driver_params);
a2e40bb6 6070 if (bss == NULL)
c5121837 6071 return NULL;
c5121837 6072
a2e40bb6 6073 drv = bss->drv;
7635bfb0 6074
cb05808c 6075 if (linux_br_get(master_ifname, params->ifname) == 0) {
94627f6c 6076 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
cb05808c
AN		 6077 params->ifname, master_ifname);
6078 br_ifindex = if_nametoindex(master_ifname);
6079 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6080 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
6081 linux_master_get(master_ifname, params->ifname) == 0) {
6082 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
6083 params->ifname, master_ifname);
6084 /* start listening for EAPOL on the master interface */
732b1d20 6085 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
f2d6c17a
DL		 6086
6087 /* check if master itself is under bridge */
6088 if (linux_br_get(master_ifname, master_ifname) == 0) {
6089 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
6090 master_ifname);
6091 br_ifindex = if_nametoindex(master_ifname);
6092 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6093 }
94627f6c 6094 } else {
cb05808c 6095 master_ifname[0] = '\0';
94627f6c 6096 }
cb05808c 6097
6c6678e7 6098 bss->br_ifindex = br_ifindex;
94627f6c 6099
92f475b4 6100 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 6101 if (params->bridge[i]) {
6102 ifindex = if_nametoindex(params->bridge[i]);
6103 if (ifindex)
732b1d20 6104 add_ifidx(drv, ifindex, drv->ifindex);
94627f6c
JM		 6105 if (ifindex == br_ifindex)
6106 br_added = 1;
6107 }
c5121837 6108 }
c5121837 6109
ad1e68e6 6110 /* start listening for EAPOL on the default AP interface */
732b1d20 6111 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
ad1e68e6 6112
5ef8e39f
JM		 6113 if (params->num_bridge && params->bridge[0]) {
6114 if (i802_check_bridge(drv, bss, params->bridge[0],
6115 params->ifname) < 0)
6116 goto failed;
cb05808c 6117 if (os_strcmp(params->bridge[0], master_ifname) != 0)
5ef8e39f
JM		 6118 br_added = 1;
6119 }
6120
6121 if (!br_added && br_ifindex &&
6122 (params->num_bridge == 0 || !params->bridge[0]))
732b1d20 6123 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 6124
97ed9a06
KP		 6125#ifdef CONFIG_LIBNL3_ROUTE
6126 if (bss->added_if_into_bridge) {
6127 drv->rtnl_sk = nl_socket_alloc();
6128 if (drv->rtnl_sk == NULL) {
6129 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
6130 goto failed;
6131 }
6132
6133 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
6134 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
6135 strerror(errno));
6136 goto failed;
6137 }
6138 }
6139#endif /* CONFIG_LIBNL3_ROUTE */
6140
ad1e68e6
JM		 6141 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
6142 if (drv->eapol_sock < 0) {
7ac3616d
JM		 6143 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
6144 strerror(errno));
bbaf0837 6145 goto failed;
ad1e68e6
JM		 6146 }
6147
6148 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
6149 {
7ac3616d 6150 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 6151 goto failed;
ad1e68e6
JM		 6152 }
6153
c81eff1a
BG		 6154 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
6155 params->own_addr))
bbaf0837 6156 goto failed;
fee354c7 6157 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 6158
341eebee
JB		 6159 memcpy(bss->addr, params->own_addr, ETH_ALEN);
6160
a2e40bb6 6161 return bss;
c5121837
JM		 6162
6163failed:
7635bfb0 6164 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 6165 return NULL;
6166}
c5121837 6167
c5121837 6168
bbaf0837
JM		 6169static void i802_deinit(void *priv)
6170{
9ebce9c5
JM		 6171 struct i802_bss *bss = priv;
6172 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 6173}
6174
c5121837 6175
22a7c9d7
JM		 6176static enum nl80211_iftype wpa_driver_nl80211_if_type(
6177 enum wpa_driver_if_type type)
6178{
6179 switch (type) {
6180 case WPA_IF_STATION:
9f51b113 6181 return NL80211_IFTYPE_STATION;
75bde05d
JM		 6182 case WPA_IF_P2P_CLIENT:
6183 case WPA_IF_P2P_GROUP:
9f51b113 6184 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 6185 case WPA_IF_AP_VLAN:
6186 return NL80211_IFTYPE_AP_VLAN;
6187 case WPA_IF_AP_BSS:
6188 return NL80211_IFTYPE_AP;
9f51b113
JB		 6189 case WPA_IF_P2P_GO:
6190 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 6191 case WPA_IF_P2P_DEVICE:
6192 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH		 6193 case WPA_IF_MESH:
6194 return NL80211_IFTYPE_MESH_POINT;
98342208
AK		 6195 default:
6196 return -1;
22a7c9d7 6197 }
22a7c9d7
JM		 6198}
6199
6200
f2ed8023
JM		 6201static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
6202{
6203 struct wpa_driver_nl80211_data *drv;
6204 dl_list_for_each(drv, &global->interfaces,
6205 struct wpa_driver_nl80211_data, list) {
834ee56f 6206 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 6207 return 1;
6208 }
6209 return 0;
6210}
6211
6212
5b78493f 6213static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM		 6214{
6215 unsigned int idx;
6216
6217 if (!drv->global)
6218 return -1;
6219
834ee56f 6220 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 6221 for (idx = 0; idx < 64; idx++) {
834ee56f 6222 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 6223 new_addr[0] ^= idx << 2;
6224 if (!nl80211_addr_in_use(drv->global, new_addr))
6225 break;
6226 }
6227 if (idx == 64)
6228 return -1;
6229
5b78493f 6230 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM		 6231 MACSTR, MAC2STR(new_addr));
6232
6233 return 0;
6234}
6235
6236
f632e483
AS		 6237struct wdev_info {
6238 u64 wdev_id;
6239 int wdev_id_set;
6240 u8 macaddr[ETH_ALEN];
6241};
6242
6243static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 6244{
6245 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6246 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 6247 struct wdev_info *wi = arg;
e472e1b4
AS		 6248
6249 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6250 genlmsg_attrlen(gnlh, 0), NULL);
6251 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 6252 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
6253 wi->wdev_id_set = 1;
e472e1b4
AS		 6254 }
6255
6256 if (tb[NL80211_ATTR_MAC])
f632e483 6257 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 6258 ETH_ALEN);
6259
6260 return NL_SKIP;
6261}
6262
6263
7ab68865 6264static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 6265 const char *ifname, const u8 *addr,
f3585c8a 6266 void *bss_ctx, void **drv_priv,
e17a2477 6267 char *force_ifname, u8 *if_addr,
d8a3b66d
AS		 6268 const char *bridge, int use_existing,
6269 int setup_ap)
22a7c9d7 6270{
e472e1b4 6271 enum nl80211_iftype nlmode;
a2e40bb6
FF		 6272 struct i802_bss *bss = priv;
6273 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 6274 int ifidx;
2aec4f3c 6275 int added = 1;
22a7c9d7 6276
f3585c8a
JM		 6277 if (addr)
6278 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 6279 nlmode = wpa_driver_nl80211_if_type(type);
6280 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 6281 struct wdev_info p2pdev_info;
6282
6283 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 6284 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 6285 0, nl80211_wdev_handler,
2aec4f3c 6286 &p2pdev_info, use_existing);
f632e483 6287 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 6288 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
6289 ifname);
e472e1b4
AS		 6290 return -1;
6291 }
f632e483
AS		 6292
6293 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
6294 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
6295 if (!is_zero_ether_addr(p2pdev_info.macaddr))
6296 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
6297 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
6298 ifname,
6299 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 6300 } else {
6301 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 6302 0, NULL, NULL, use_existing);
6303 if (use_existing && ifidx == -ENFILE) {
6304 added = 0;
6305 ifidx = if_nametoindex(ifname);
6306 } else if (ifidx < 0) {
e472e1b4
AS		 6307 return -1;
6308 }
22a7c9d7
JM		 6309 }
6310
ab7a1add 6311 if (!addr) {
8ea8a89c 6312 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
ab7a1add
AS		 6313 os_memcpy(if_addr, bss->addr, ETH_ALEN);
6314 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8ea8a89c 6315 ifname, if_addr) < 0) {
2aec4f3c
JM		 6316 if (added)
6317 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 6318 return -1;
6319 }
c55f774d
JM		 6320 }
6321
c55f774d
JM		 6322 if (!addr &&
6323 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8ea8a89c
JM		 6324 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
6325 type == WPA_IF_STATION)) {
6326 /* Enforce unique address */
ab7a1add 6327 u8 new_addr[ETH_ALEN];
c55f774d 6328
ab7a1add 6329 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 6330 new_addr) < 0) {
ea39367c
MK		 6331 if (added)
6332 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 6333 return -1;
6334 }
f608081c 6335 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 6336 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8ea8a89c 6337 "for interface %s type %d", ifname, type);
5b78493f 6338 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK		 6339 if (added)
6340 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 6341 return -1;
6342 }
c81eff1a 6343 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 6344 new_addr) < 0) {
ea39367c
MK		 6345 if (added)
6346 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 6347 return -1;
6348 }
c55f774d 6349 }
f67eeb5c 6350 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 6351 }
f3585c8a 6352
d8a3b66d 6353 if (type == WPA_IF_AP_BSS && setup_ap) {
f5eb9da3
JM		 6354 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
6355 if (new_bss == NULL) {
2aec4f3c
JM		 6356 if (added)
6357 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 6358 return -1;
6359 }
6360
6361 if (bridge &&
6362 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
6363 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
6364 "interface %s to a bridge %s",
6365 ifname, bridge);
2aec4f3c
JM		 6366 if (added)
6367 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 6368 os_free(new_bss);
6369 return -1;
6370 }
6371
c81eff1a
BG		 6372 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
6373 {
ea39367c
MK		 6374 if (added)
6375 nl80211_remove_iface(drv, ifidx);
07179987 6376 os_free(new_bss);
22a7c9d7
JM		 6377 return -1;
6378 }
a2e40bb6 6379 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 6380 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 6381 new_bss->ifindex = ifidx;
6382 new_bss->drv = drv;
834ee56f
KP		 6383 new_bss->next = drv->first_bss->next;
6384 new_bss->freq = drv->first_bss->freq;
a5e1eb20 6385 new_bss->ctx = bss_ctx;
2aec4f3c 6386 new_bss->added_if = added;
834ee56f 6387 drv->first_bss->next = new_bss;
a2e40bb6
FF		 6388 if (drv_priv)
6389 *drv_priv = new_bss;
cc7a48d1 6390 nl80211_init_bss(new_bss);
3dd1d890
YAP		 6391
6392 /* Subscribe management frames for this WPA_IF_AP_BSS */
6393 if (nl80211_setup_ap(new_bss))
6394 return -1;
22a7c9d7 6395 }
22a7c9d7 6396
ff6a158b
JM		 6397 if (drv->global)
6398 drv->global->if_add_ifindex = ifidx;
6399
d1bb7aed
JJ		 6400 /*
6401 * Some virtual interfaces need to process EAPOL packets and events on
6402 * the parent interface. This is used mainly with hostapd.
6403 */
6404 if (ifidx > 0 &&
6405 (drv->hostapd ||
6406 nlmode == NL80211_IFTYPE_AP_VLAN ||
6407 nlmode == NL80211_IFTYPE_WDS ||
6408 nlmode == NL80211_IFTYPE_MONITOR))
732b1d20 6409 add_ifidx(drv, ifidx, IFIDX_ANY);
b36935be 6410
22a7c9d7
JM		 6411 return 0;
6412}
6413
6414
9ebce9c5 6415static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 6416 enum wpa_driver_if_type type,
6417 const char *ifname)
6418{
a2e40bb6 6419 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 6420 int ifindex = if_nametoindex(ifname);
6421
2aec4f3c
JM		 6422 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
6423 __func__, type, ifname, ifindex, bss->added_if);
158b090c 6424 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 6425 nl80211_remove_iface(drv, ifindex);
de884303
JM		 6426 else if (ifindex > 0 && !bss->added_if) {
6427 struct wpa_driver_nl80211_data *drv2;
6428 dl_list_for_each(drv2, &drv->global->interfaces,
732b1d20
MB		 6429 struct wpa_driver_nl80211_data, list) {
6430 del_ifidx(drv2, ifindex, IFIDX_ANY);
6431 del_ifidx(drv2, IFIDX_ANY, ifindex);
6432 }
de884303 6433 }
c34e618d 6434
c34e618d
FF		 6435 if (type != WPA_IF_AP_BSS)
6436 return 0;
6437
e17a2477 6438 if (bss->added_if_into_bridge) {
c81eff1a
BG		 6439 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
6440 bss->ifname) < 0)
e17a2477
JM		 6441 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6442 "interface %s from bridge %s: %s",
6443 bss->ifname, bss->brname, strerror(errno));
6444 }
6445 if (bss->added_bridge) {
c81eff1a 6446 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 6447 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6448 "bridge %s: %s",
6449 bss->brname, strerror(errno));
6450 }
a2e40bb6 6451
834ee56f 6452 if (bss != drv->first_bss) {
8546ea19 6453 struct i802_bss *tbss;
a2e40bb6 6454
2aec4f3c 6455 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 6456 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 6457 if (tbss->next == bss) {
6458 tbss->next = bss->next;
3dd1d890
YAP		 6459 /* Unsubscribe management frames */
6460 nl80211_teardown_ap(bss);
cc7a48d1 6461 nl80211_destroy_bss(bss);
5c9da160
MB		 6462 if (!bss->added_if)
6463 i802_set_iface_flags(bss, 0);
8546ea19
JM		 6464 os_free(bss);
6465 bss = NULL;
6466 break;
6467 }
22a7c9d7 6468 }
8546ea19
JM		 6469 if (bss)
6470 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
6471 "BSS %p in the list", __func__, bss);
390e489c 6472 } else {
2aec4f3c 6473 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 6474 nl80211_teardown_ap(bss);
2aec4f3c
JM		 6475 if (!bss->added_if && !drv->first_bss->next)
6476 wpa_driver_nl80211_del_beacon(drv);
390e489c 6477 nl80211_destroy_bss(bss);
2aec4f3c
JM		 6478 if (!bss->added_if)
6479 i802_set_iface_flags(bss, 0);
390e489c
KP		 6480 if (drv->first_bss->next) {
6481 drv->first_bss = drv->first_bss->next;
6482 drv->ctx = drv->first_bss->ctx;
6483 os_free(bss);
6484 } else {
6485 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
6486 }
22a7c9d7 6487 }
22a7c9d7
JM		 6488
6489 return 0;
6490}
6491
6492
55777702
JM		 6493static int cookie_handler(struct nl_msg *msg, void *arg)
6494{
6495 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6496 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6497 u64 *cookie = arg;
6498 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6499 genlmsg_attrlen(gnlh, 0), NULL);
6500 if (tb[NL80211_ATTR_COOKIE])
6501 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
6502 return NL_SKIP;
6503}
6504
6505
88df0ef7 6506static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 6507 unsigned int freq, unsigned int wait,
6508 const u8 *buf, size_t buf_len,
88df0ef7 6509 u64 *cookie_out, int no_cck, int no_ack,
2d3943ce
AO		 6510 int offchanok, const u16 *csa_offs,
6511 size_t csa_offs_len)
9884f9cc 6512{
88df0ef7 6513 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 6514 struct nl_msg *msg;
6515 u64 cookie;
6516 int ret = -1;
6517
cc2ada86 6518 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 6519 "no_ack=%d offchanok=%d",
6520 freq, wait, no_cck, no_ack, offchanok);
c91f796f 6521 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 6522
56f77852 6523 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM		 6524 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
6525 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
6526 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6527 drv->test_use_roc_tx) &&
6528 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
6529 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
6530 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
2d3943ce
AO		 6531 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
6532 csa_offs_len * sizeof(u16), csa_offs)) ||
a862e4a3
JM		 6533 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
6534 goto fail;
9884f9cc
JB		 6535
6536 cookie = 0;
6537 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6538 msg = NULL;
6539 if (ret) {
6540 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 6541 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
6542 freq, wait);
a862e4a3
JM		 6543 } else {
6544 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
6545 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
6546 (long long unsigned int) cookie);
9884f9cc 6547
a862e4a3
JM		 6548 if (cookie_out)
6549 *cookie_out = no_ack ? (u64) -1 : cookie;
759a8a3a
JM		 6550
6551 if (drv->num_send_action_cookies == MAX_SEND_ACTION_COOKIES) {
6552 wpa_printf(MSG_DEBUG,
6553 "nl80211: Drop oldest pending send action cookie 0x%llx",
6554 (long long unsigned int)
6555 drv->send_action_cookies[0]);
6556 os_memmove(&drv->send_action_cookies[0],
6557 &drv->send_action_cookies[1],
6558 (MAX_SEND_ACTION_COOKIES - 1) *
6559 sizeof(u64));
6560 drv->num_send_action_cookies--;
6561 }
6562 drv->send_action_cookies[drv->num_send_action_cookies] = cookie;
6563 drv->num_send_action_cookies++;
a862e4a3 6564 }
9884f9cc 6565
a862e4a3 6566fail:
9884f9cc
JB		 6567 nlmsg_free(msg);
6568 return ret;
6569}
6570
6571
9ebce9c5
JM		 6572static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
6573 unsigned int freq,
190b9062 6574 unsigned int wait_time,
58f6fbe0
JM		 6575 const u8 *dst, const u8 *src,
6576 const u8 *bssid,
b106173a
JM		 6577 const u8 *data, size_t data_len,
6578 int no_cck)
58f6fbe0 6579{
a2e40bb6 6580 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 6581 int ret = -1;
58f6fbe0
JM		 6582 u8 *buf;
6583 struct ieee80211_hdr *hdr;
58f6fbe0 6584
5dfca53f 6585 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 6586 "freq=%u MHz wait=%d ms no_cck=%d)",
6587 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 6588
6589 buf = os_zalloc(24 + data_len);
6590 if (buf == NULL)
6591 return ret;
6592 os_memcpy(buf + 24, data, data_len);
6593 hdr = (struct ieee80211_hdr *) buf;
6594 hdr->frame_control =
6595 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
6596 os_memcpy(hdr->addr1, dst, ETH_ALEN);
6597 os_memcpy(hdr->addr2, src, ETH_ALEN);
6598 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
6599
f78f2785
JM		 6600 if (is_ap_interface(drv->nlmode) &&
6601 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6602 (int) freq == bss->freq || drv->device_ap_sme ||
6603 !drv->use_monitor))
9ebce9c5
JM		 6604 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
6605 0, freq, no_cck, 1,
2d3943ce 6606 wait_time, NULL, 0);
9884f9cc 6607 else
88df0ef7 6608 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 6609 24 + data_len,
b106173a 6610 &drv->send_action_cookie,
2d3943ce 6611 no_cck, 0, 1, NULL, 0);
58f6fbe0 6612
f8bf1421 6613 os_free(buf);
58f6fbe0
JM		 6614 return ret;
6615}
6616
6617
759a8a3a 6618static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
5dfca53f 6619{
5dfca53f
JB		 6620 struct wpa_driver_nl80211_data *drv = bss->drv;
6621 struct nl_msg *msg;
6622 int ret;
6623
316a9e4d 6624 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
759a8a3a 6625 (long long unsigned int) cookie);
56f77852 6626 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
759a8a3a 6627 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
a862e4a3
JM		 6628 nlmsg_free(msg);
6629 return;
6630 }
5dfca53f
JB		 6631
6632 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB		 6633 if (ret)
6634 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
6635 "(%s)", ret, strerror(-ret));
5dfca53f
JB		 6636}
6637
6638
759a8a3a
JM		 6639static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
6640{
6641 struct i802_bss *bss = priv;
6642 struct wpa_driver_nl80211_data *drv = bss->drv;
6643 unsigned int i;
6644 u64 cookie;
6645
6646 /* Cancel the last pending TX cookie */
6647 nl80211_frame_wait_cancel(bss, drv->send_action_cookie);
6648
6649 /*
6650 * Cancel the other pending TX cookies, if any. This is needed since
6651 * the driver may keep a list of all pending offchannel TX operations
6652 * and free up the radio only once they have expired or cancelled.
6653 */
6654 for (i = drv->num_send_action_cookies; i > 0; i--) {
6655 cookie = drv->send_action_cookies[i - 1];
6656 if (cookie != drv->send_action_cookie)
6657 nl80211_frame_wait_cancel(bss, cookie);
6658 }
6659 drv->num_send_action_cookies = 0;
6660}
6661
6662
55777702
JM		 6663static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
6664 unsigned int duration)
6665{
a2e40bb6
FF		 6666 struct i802_bss *bss = priv;
6667 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 6668 struct nl_msg *msg;
6669 int ret;
6670 u64 cookie;
6671
56f77852 6672 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM		 6673 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
6674 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
6675 nlmsg_free(msg);
6676 return -1;
6677 }
55777702
JM		 6678
6679 cookie = 0;
6680 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6681 if (ret == 0) {
6682 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
6683 "0x%llx for freq=%u MHz duration=%u",
6684 (long long unsigned int) cookie, freq, duration);
6685 drv->remain_on_chan_cookie = cookie;
531f0331 6686 drv->pending_remain_on_chan = 1;
55777702
JM		 6687 return 0;
6688 }
6689 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 6690 "(freq=%d duration=%u): %d (%s)",
6691 freq, duration, ret, strerror(-ret));
55777702
JM		 6692 return -1;
6693}
6694
6695
6696static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
6697{
a2e40bb6
FF		 6698 struct i802_bss *bss = priv;
6699 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 6700 struct nl_msg *msg;
6701 int ret;
6702
6703 if (!drv->pending_remain_on_chan) {
6704 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
6705 "to cancel");
6706 return -1;
6707 }
6708
6709 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
6710 "0x%llx",
6711 (long long unsigned int) drv->remain_on_chan_cookie);
6712
56f77852
JM		 6713 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
6714 if (!msg ||
a862e4a3
JM		 6715 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
6716 nlmsg_free(msg);
6717 return -1;
6718 }
55777702
JM		 6719
6720 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6721 if (ret == 0)
6722 return 0;
6723 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
6724 "%d (%s)", ret, strerror(-ret));
55777702
JM		 6725 return -1;
6726}
6727
6728
9ebce9c5 6729static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 6730{
a2e40bb6 6731 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 6732
5582a5d1 6733 if (!report) {
0d891981 6734 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 6735 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
6736 !bss->static_ap) {
0d891981
JM		 6737 /*
6738 * Do not disable Probe Request reporting that was
6739 * enabled in nl80211_setup_ap().
6740 */
6741 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
6742 "Probe Request reporting nl_preq=%p while "
6743 "in AP mode", bss->nl_preq);
6744 } else if (bss->nl_preq) {
36488c05
JM		 6745 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
6746 "reporting nl_preq=%p", bss->nl_preq);
5f65e9f7 6747 nl80211_destroy_eloop_handle(&bss->nl_preq);
5582a5d1
JB		 6748 }
6749 return 0;
6750 }
6751
481234cf 6752 if (bss->nl_preq) {
5582a5d1 6753 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 6754 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 6755 return 0;
6756 }
6757
481234cf
JM		 6758 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
6759 if (bss->nl_preq == NULL)
5582a5d1 6760 return -1;
36488c05
JM		 6761 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
6762 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 6763
481234cf 6764 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 6765 (WLAN_FC_TYPE_MGMT << 2) |
6766 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 6767 NULL, 0) < 0)
6768 goto out_err;
5582a5d1 6769
5f65e9f7
JB		 6770 nl80211_register_eloop_read(&bss->nl_preq,
6771 wpa_driver_nl80211_event_receive,
6772 bss->nl_cb);
5582a5d1 6773
504e905c 6774 return 0;
5582a5d1 6775
a92dfde8 6776 out_err:
221a59c9 6777 nl_destroy_handles(&bss->nl_preq);
5582a5d1 6778 return -1;
504e905c
JM		 6779}
6780
6781
4e5cb1a3
JM		 6782static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
6783 int ifindex, int disabled)
6784{
6785 struct nl_msg *msg;
6786 struct nlattr *bands, *band;
6787 int ret;
6788
3e208481
JM		 6789 wpa_printf(MSG_DEBUG,
6790 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6791 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
6792 "no NL80211_TXRATE_LEGACY constraint");
6793
95376e1a
JM		 6794 msg = nl80211_ifindex_msg(drv, ifindex, 0,
6795 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 6796 if (!msg)
6797 return -1;
6798
4e5cb1a3
JM		 6799 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
6800 if (!bands)
a862e4a3 6801 goto fail;
4e5cb1a3
JM		 6802
6803 /*
6804 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6805 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6806 * rates. All 5 GHz rates are left enabled.
6807 */
6808 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM		 6809 if (!band ||
6810 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
6811 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6812 goto fail;
4e5cb1a3
JM		 6813 nla_nest_end(msg, band);
6814
6815 nla_nest_end(msg, bands);
6816
6817 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM		 6818 if (ret) {
6819 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
6820 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 6821 } else
6822 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 6823
6824 return ret;
6825
a862e4a3 6826fail:
4e5cb1a3
JM		 6827 nlmsg_free(msg);
6828 return -1;
6829}
6830
6831
af473088
JM		 6832static int wpa_driver_nl80211_deinit_ap(void *priv)
6833{
a2e40bb6
FF		 6834 struct i802_bss *bss = priv;
6835 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 6836 if (!is_ap_interface(drv->nlmode))
af473088
JM		 6837 return -1;
6838 wpa_driver_nl80211_del_beacon(drv);
9bc5cfa3 6839 bss->beacon_set = 0;
60b13c20
IP		 6840
6841 /*
6842 * If the P2P GO interface was dynamically added, then it is
6843 * possible that the interface change to station is not possible.
6844 */
6845 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
6846 return 0;
6847
b1f625e0 6848 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 6849}
6850
6851
695c7038
SW		 6852static int wpa_driver_nl80211_stop_ap(void *priv)
6853{
6854 struct i802_bss *bss = priv;
6855 struct wpa_driver_nl80211_data *drv = bss->drv;
6856 if (!is_ap_interface(drv->nlmode))
6857 return -1;
6858 wpa_driver_nl80211_del_beacon(drv);
6859 bss->beacon_set = 0;
6860 return 0;
6861}
6862
6863
3c29244e
EP		 6864static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
6865{
6866 struct i802_bss *bss = priv;
6867 struct wpa_driver_nl80211_data *drv = bss->drv;
6868 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
6869 return -1;
60b13c20
IP		 6870
6871 /*
6872 * If the P2P Client interface was dynamically added, then it is
6873 * possible that the interface change to station is not possible.
6874 */
6875 if (bss->if_dynamic)
6876 return 0;
6877
3c29244e
EP		 6878 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6879}
6880
6881
207ef3fb
JM		 6882static void wpa_driver_nl80211_resume(void *priv)
6883{
a2e40bb6 6884 struct i802_bss *bss = priv;
e8dc205f 6885 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
91724d6f
AS		 6886
6887 if (i802_set_iface_flags(bss, 1))
6888 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
e8dc205f
AO		 6889
6890 if (is_p2p_net_interface(nlmode))
6891 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
207ef3fb
JM		 6892}
6893
6894
b625473c
JM		 6895static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
6896{
6897 struct i802_bss *bss = priv;
6898 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 6899 struct nl_msg *msg;
6900 struct nlattr *cqm;
b625473c
JM		 6901
6902 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
6903 "hysteresis=%d", threshold, hysteresis);
6904
13f83980 6905 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM		 6906 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
6907 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
6908 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
6909 nlmsg_free(msg);
6910 return -1;
6911 }
8970bae8 6912 nla_nest_end(msg, cqm);
21270bb4 6913
a862e4a3 6914 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 6915}
6916
6917
2cc8d8f4
AO		 6918static int get_channel_width(struct nl_msg *msg, void *arg)
6919{
6920 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6921 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6922 struct wpa_signal_info *sig_change = arg;
6923
6924 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6925 genlmsg_attrlen(gnlh, 0), NULL);
6926
6927 sig_change->center_frq1 = -1;
6928 sig_change->center_frq2 = -1;
6929 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
6930
6931 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
6932 sig_change->chanwidth = convert2width(
6933 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
6934 if (tb[NL80211_ATTR_CENTER_FREQ1])
6935 sig_change->center_frq1 =
6936 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
6937 if (tb[NL80211_ATTR_CENTER_FREQ2])
6938 sig_change->center_frq2 =
6939 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
6940 }
6941
6942 return NL_SKIP;
6943}
6944
6945
6946static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
6947 struct wpa_signal_info *sig)
6948{
6949 struct nl_msg *msg;
6950
9725b784 6951 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 6952 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO		 6953}
6954
6955
1c5c7273
PS		 6956static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
6957{
6958 struct i802_bss *bss = priv;
6959 struct wpa_driver_nl80211_data *drv = bss->drv;
6960 int res;
6961
6962 os_memset(si, 0, sizeof(*si));
6963 res = nl80211_get_link_signal(drv, si);
1d6955e6
JM		 6964 if (res) {
6965 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
6966 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
6967 return res;
6968 si->current_signal = 0;
6969 }
1c5c7273 6970
2cc8d8f4
AO		 6971 res = nl80211_get_channel_width(drv, si);
6972 if (res != 0)
6973 return res;
6974
1c5c7273
PS		 6975 return nl80211_get_link_noise(drv, si);
6976}
6977
6978
b91ab76e
JM		 6979static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
6980 int encrypt)
6981{
6982 struct i802_bss *bss = priv;
55231068 6983 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
2d3943ce 6984 0, 0, 0, 0, NULL, 0);
b91ab76e
JM		 6985}
6986
6987
c55f774d
JM		 6988static int nl80211_set_param(void *priv, const char *param)
6989{
c55f774d
JM		 6990 if (param == NULL)
6991 return 0;
99a94f55 6992 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
c55f774d
JM		 6993
6994#ifdef CONFIG_P2P
6995 if (os_strstr(param, "use_p2p_group_interface=1")) {
482856c8
JM		 6996 struct i802_bss *bss = priv;
6997 struct wpa_driver_nl80211_data *drv = bss->drv;
6998
c55f774d
JM		 6999 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
7000 "interface");
7001 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
7002 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
7003 }
7004#endif /* CONFIG_P2P */
7005
327b01d3
JM		 7006 if (os_strstr(param, "use_monitor=1")) {
7007 struct i802_bss *bss = priv;
7008 struct wpa_driver_nl80211_data *drv = bss->drv;
7009 drv->use_monitor = 1;
7010 }
7011
7012 if (os_strstr(param, "force_connect_cmd=1")) {
7013 struct i802_bss *bss = priv;
7014 struct wpa_driver_nl80211_data *drv = bss->drv;
7015 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 7016 drv->force_connect_cmd = 1;
327b01d3
JM		 7017 }
7018
64abb725
JM		 7019 if (os_strstr(param, "no_offchannel_tx=1")) {
7020 struct i802_bss *bss = priv;
7021 struct wpa_driver_nl80211_data *drv = bss->drv;
7022 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
7023 drv->test_use_roc_tx = 1;
7024 }
7025
c55f774d
JM		 7026 return 0;
7027}
7028
7029
45e3fc72 7030static void * nl80211_global_init(void *ctx)
f2ed8023
JM		 7031{
7032 struct nl80211_global *global;
36d84860
BG		 7033 struct netlink_config *cfg;
7034
f2ed8023
JM		 7035 global = os_zalloc(sizeof(*global));
7036 if (global == NULL)
7037 return NULL;
45e3fc72 7038 global->ctx = ctx;
c81eff1a 7039 global->ioctl_sock = -1;
f2ed8023 7040 dl_list_init(&global->interfaces);
ff6a158b 7041 global->if_add_ifindex = -1;
36d84860
BG		 7042
7043 cfg = os_zalloc(sizeof(*cfg));
7044 if (cfg == NULL)
7045 goto err;
7046
7047 cfg->ctx = global;
7048 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
7049 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
7050 global->netlink = netlink_init(cfg);
7051 if (global->netlink == NULL) {
7052 os_free(cfg);
7053 goto err;
7054 }
7055
2a7b66f5
BG		 7056 if (wpa_driver_nl80211_init_nl_global(global) < 0)
7057 goto err;
7058
c81eff1a
BG		 7059 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
7060 if (global->ioctl_sock < 0) {
7ac3616d
JM		 7061 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
7062 strerror(errno));
c81eff1a
BG		 7063 goto err;
7064 }
7065
f2ed8023 7066 return global;
36d84860
BG		 7067
7068err:
7069 nl80211_global_deinit(global);
7070 return NULL;
f2ed8023
JM		 7071}
7072
7073
7074static void nl80211_global_deinit(void *priv)
7075{
7076 struct nl80211_global *global = priv;
7077 if (global == NULL)
7078 return;
7079 if (!dl_list_empty(&global->interfaces)) {
7080 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
7081 "nl80211_global_deinit",
7082 dl_list_len(&global->interfaces));
7083 }
36d84860
BG		 7084
7085 if (global->netlink)
7086 netlink_deinit(global->netlink);
7087
276e2d67
BG		 7088 nl_destroy_handles(&global->nl);
7089
5f65e9f7
JB		 7090 if (global->nl_event)
7091 nl80211_destroy_eloop_handle(&global->nl_event);
d6c9aab8
JB		 7092
7093 nl_cb_put(global->nl_cb);
2a7b66f5 7094
c81eff1a
BG		 7095 if (global->ioctl_sock >= 0)
7096 close(global->ioctl_sock);
7097
f2ed8023
JM		 7098 os_free(global);
7099}
7100
7101
6859f1cb
BG		 7102static const char * nl80211_get_radio_name(void *priv)
7103{
7104 struct i802_bss *bss = priv;
7105 struct wpa_driver_nl80211_data *drv = bss->drv;
7106 return drv->phyname;
7107}
7108
7109
a6efc65d
JM		 7110static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
7111 const u8 *pmkid)
7112{
7113 struct nl_msg *msg;
7114
13f83980 7115 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 7116 (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
7117 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
7118 nlmsg_free(msg);
7119 return -ENOBUFS;
7120 }
a6efc65d
JM		 7121
7122 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 7123}
7124
7125
7126static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
7127{
7128 struct i802_bss *bss = priv;
7129 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
7130 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
7131}
7132
7133
7134static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
7135{
7136 struct i802_bss *bss = priv;
7137 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
7138 MAC2STR(bssid));
7139 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
7140}
7141
7142
7143static int nl80211_flush_pmkid(void *priv)
7144{
7145 struct i802_bss *bss = priv;
7146 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
7147 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
7148}
7149
7150
0185007c
MK		 7151static void clean_survey_results(struct survey_results *survey_results)
7152{
7153 struct freq_survey *survey, *tmp;
7154
7155 if (dl_list_empty(&survey_results->survey_list))
7156 return;
7157
7158 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
7159 struct freq_survey, list) {
7160 dl_list_del(&survey->list);
7161 os_free(survey);
7162 }
7163}
7164
7165
7166static void add_survey(struct nlattr **sinfo, u32 ifidx,
7167 struct dl_list *survey_list)
7168{
7169 struct freq_survey *survey;
7170
7171 survey = os_zalloc(sizeof(struct freq_survey));
7172 if (!survey)
7173 return;
7174
7175 survey->ifidx = ifidx;
7176 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
7177 survey->filled = 0;
7178
7179 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
7180 survey->nf = (int8_t)
7181 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
7182 survey->filled |= SURVEY_HAS_NF;
7183 }
7184
7185 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
7186 survey->channel_time =
7187 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
7188 survey->filled |= SURVEY_HAS_CHAN_TIME;
7189 }
7190
7191 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
7192 survey->channel_time_busy =
7193 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
7194 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
7195 }
7196
7197 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
7198 survey->channel_time_rx =
7199 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
7200 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
7201 }
7202
7203 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
7204 survey->channel_time_tx =
7205 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
7206 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
7207 }
7208
7209 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)",
7210 survey->freq,
7211 survey->nf,
7212 (unsigned long int) survey->channel_time,
7213 (unsigned long int) survey->channel_time_busy,
7214 (unsigned long int) survey->channel_time_tx,
7215 (unsigned long int) survey->channel_time_rx,
7216 survey->filled);
7217
7218 dl_list_add_tail(survey_list, &survey->list);
7219}
7220
7221
7222static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
7223 unsigned int freq_filter)
7224{
7225 if (!freq_filter)
7226 return 1;
7227
7228 return freq_filter == surveyed_freq;
7229}
7230
7231
7232static int survey_handler(struct nl_msg *msg, void *arg)
7233{
7234 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7235 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7236 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
7237 struct survey_results *survey_results;
7238 u32 surveyed_freq = 0;
7239 u32 ifidx;
7240
7241 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
7242 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
7243 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
7244 };
7245
7246 survey_results = (struct survey_results *) arg;
7247
7248 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7249 genlmsg_attrlen(gnlh, 0), NULL);
7250
e28f39b7
SJ		 7251 if (!tb[NL80211_ATTR_IFINDEX])
7252 return NL_SKIP;
7253
0185007c
MK		 7254 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
7255
7256 if (!tb[NL80211_ATTR_SURVEY_INFO])
7257 return NL_SKIP;
7258
7259 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
7260 tb[NL80211_ATTR_SURVEY_INFO],
7261 survey_policy))
7262 return NL_SKIP;
7263
7264 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
7265 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
7266 return NL_SKIP;
7267 }
7268
7269 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
7270
7271 if (!check_survey_ok(sinfo, surveyed_freq,
7272 survey_results->freq_filter))
7273 return NL_SKIP;
7274
7275 if (survey_results->freq_filter &&
7276 survey_results->freq_filter != surveyed_freq) {
7277 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
7278 surveyed_freq);
7279 return NL_SKIP;
7280 }
7281
7282 add_survey(sinfo, ifidx, &survey_results->survey_list);
7283
7284 return NL_SKIP;
7285}
7286
7287
7288static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
7289{
7290 struct i802_bss *bss = priv;
7291 struct wpa_driver_nl80211_data *drv = bss->drv;
7292 struct nl_msg *msg;
9725b784 7293 int err;
0185007c
MK		 7294 union wpa_event_data data;
7295 struct survey_results *survey_results;
7296
7297 os_memset(&data, 0, sizeof(data));
7298 survey_results = &data.survey_results;
7299
7300 dl_list_init(&survey_results->survey_list);
7301
9725b784 7302 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 7303 if (!msg)
a862e4a3 7304 return -ENOBUFS;
0185007c 7305
0185007c
MK		 7306 if (freq)
7307 data.survey_results.freq_filter = freq;
7308
7309 do {
7310 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
7311 err = send_and_recv_msgs(drv, msg, survey_handler,
7312 survey_results);
7313 } while (err > 0);
7314
a862e4a3 7315 if (err)
0185007c 7316 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM		 7317 else
7318 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 7319
0185007c 7320 clean_survey_results(survey_results);
0185007c
MK		 7321 return err;
7322}
7323
7324
98cd3d1c
JM		 7325static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
7326 const u8 *kck, size_t kck_len,
b14a210c
JB		 7327 const u8 *replay_ctr)
7328{
7329 struct i802_bss *bss = priv;
7330 struct wpa_driver_nl80211_data *drv = bss->drv;
7331 struct nlattr *replay_nested;
7332 struct nl_msg *msg;
64ae2447 7333 int ret;
b14a210c 7334
64ae2447
JM		 7335 if (!drv->set_rekey_offload)
7336 return;
7337
7338 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
13f83980 7339 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3 7340 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
98cd3d1c
JM		 7341 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
7342 nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck) ||
a862e4a3
JM		 7343 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
7344 replay_ctr)) {
bbd89bfc 7345 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 7346 nlmsg_free(msg);
7347 return;
7348 }
b14a210c
JB		 7349
7350 nla_nest_end(msg, replay_nested);
7351
64ae2447
JM		 7352 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
7353 if (ret == -EOPNOTSUPP) {
7354 wpa_printf(MSG_DEBUG,
7355 "nl80211: Driver does not support rekey offload");
7356 drv->set_rekey_offload = 0;
7357 }
b14a210c
JB		 7358}
7359
7360
39718852
JB		 7361static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
7362 const u8 *addr, int qos)
bcf24348 7363{
39718852
JB		 7364 /* send data frame to poll STA and check whether
7365 * this frame is ACKed */
bcf24348
JB		 7366 struct {
7367 struct ieee80211_hdr hdr;
7368 u16 qos_ctl;
7369 } STRUCT_PACKED nulldata;
7370 size_t size;
7371
7372 /* Send data frame to poll STA and check whether this frame is ACKed */
7373
7374 os_memset(&nulldata, 0, sizeof(nulldata));
7375
7376 if (qos) {
7377 nulldata.hdr.frame_control =
7378 IEEE80211_FC(WLAN_FC_TYPE_DATA,
7379 WLAN_FC_STYPE_QOS_NULL);
7380 size = sizeof(nulldata);
7381 } else {
7382 nulldata.hdr.frame_control =
7383 IEEE80211_FC(WLAN_FC_TYPE_DATA,
7384 WLAN_FC_STYPE_NULLFUNC);
7385 size = sizeof(struct ieee80211_hdr);
7386 }
7387
7388 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
7389 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
7390 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
7391 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
7392
9ebce9c5 7393 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
2d3943ce 7394 0, 0, NULL, 0) < 0)
bcf24348
JB		 7395 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
7396 "send poll frame");
7397}
7398
39718852
JB		 7399static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
7400 int qos)
7401{
7402 struct i802_bss *bss = priv;
7403 struct wpa_driver_nl80211_data *drv = bss->drv;
7404 struct nl_msg *msg;
fc99fab7 7405 int ret;
39718852
JB		 7406
7407 if (!drv->poll_command_supported) {
7408 nl80211_send_null_frame(bss, own_addr, addr, qos);
7409 return;
7410 }
7411
13f83980 7412 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM		 7413 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7414 nlmsg_free(msg);
7415 return;
7416 }
39718852 7417
fc99fab7
JM		 7418 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7419 if (ret < 0) {
7420 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
7421 MACSTR " failed: ret=%d (%s)",
7422 MAC2STR(addr), ret, strerror(-ret));
7423 }
39718852
JB		 7424}
7425
bcf24348 7426
29f338af
JM		 7427static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
7428{
7429 struct nl_msg *msg;
7430
13f83980 7431 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM		 7432 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
7433 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
7434 nlmsg_free(msg);
7435 return -ENOBUFS;
7436 }
29f338af 7437 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
29f338af
JM		 7438}
7439
7440
7441static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
7442 int ctwindow)
7443{
7444 struct i802_bss *bss = priv;
7445
7446 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
7447 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
7448
0de38036
JM		 7449 if (opp_ps != -1 || ctwindow != -1) {
7450#ifdef ANDROID_P2P
7451 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
7452#else /* ANDROID_P2P */
29f338af 7453 return -1; /* Not yet supported */
0de38036
JM		 7454#endif /* ANDROID_P2P */
7455 }
29f338af
JM		 7456
7457 if (legacy_ps == -1)
7458 return 0;
7459 if (legacy_ps != 0 && legacy_ps != 1)
7460 return -1; /* Not yet supported */
7461
7462 return nl80211_set_power_save(bss, legacy_ps);
7463}
7464
7465
04e8003c
JD		 7466static int nl80211_start_radar_detection(void *priv,
7467 struct hostapd_freq_params *freq)
f90e9c1c
SW		 7468{
7469 struct i802_bss *bss = priv;
7470 struct wpa_driver_nl80211_data *drv = bss->drv;
7471 struct nl_msg *msg;
7472 int ret;
7473
04e8003c
JD		 7474 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)",
7475 freq->freq, freq->ht_enabled, freq->vht_enabled,
7476 freq->bandwidth, freq->center_freq1, freq->center_freq2);
7477
f90e9c1c
SW		 7478 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
7479 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
7480 "detection");
7481 return -1;
7482 }
7483
9725b784 7484 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM		 7485 nl80211_put_freq_params(msg, freq) < 0) {
7486 nlmsg_free(msg);
7487 return -1;
7488 }
f90e9c1c
SW		 7489
7490 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7491 if (ret == 0)
7492 return 0;
7493 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
7494 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW		 7495 return -1;
7496}
7497
03ea1786
AN		 7498#ifdef CONFIG_TDLS
7499
7500static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
7501 u8 dialog_token, u16 status_code,
984dadc2
AN		 7502 u32 peer_capab, int initiator, const u8 *buf,
7503 size_t len)
03ea1786
AN		 7504{
7505 struct i802_bss *bss = priv;
7506 struct wpa_driver_nl80211_data *drv = bss->drv;
7507 struct nl_msg *msg;
7508
7509 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7510 return -EOPNOTSUPP;
7511
7512 if (!dst)
7513 return -EINVAL;
7514
9725b784 7515 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM		 7516 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7517 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
7518 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
7519 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
7520 goto fail;
96ecea5e
SD		 7521 if (peer_capab) {
7522 /*
7523 * The internal enum tdls_peer_capability definition is
7524 * currently identical with the nl80211 enum
7525 * nl80211_tdls_peer_capability, so no conversion is needed
7526 * here.
7527 */
a862e4a3
JM		 7528 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
7529 peer_capab))
7530 goto fail;
96ecea5e 7531 }
a862e4a3
JM		 7532 if ((initiator &&
7533 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
7534 nla_put(msg, NL80211_ATTR_IE, len, buf))
7535 goto fail;
03ea1786
AN		 7536
7537 return send_and_recv_msgs(drv, msg, NULL, NULL);
7538
a862e4a3 7539fail:
03ea1786
AN		 7540 nlmsg_free(msg);
7541 return -ENOBUFS;
7542}
7543
7544
7545static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
7546{
7547 struct i802_bss *bss = priv;
7548 struct wpa_driver_nl80211_data *drv = bss->drv;
7549 struct nl_msg *msg;
7550 enum nl80211_tdls_operation nl80211_oper;
7551
7552 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7553 return -EOPNOTSUPP;
7554
7555 switch (oper) {
7556 case TDLS_DISCOVERY_REQ:
7557 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
7558 break;
7559 case TDLS_SETUP:
7560 nl80211_oper = NL80211_TDLS_SETUP;
7561 break;
7562 case TDLS_TEARDOWN:
7563 nl80211_oper = NL80211_TDLS_TEARDOWN;
7564 break;
7565 case TDLS_ENABLE_LINK:
7566 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
7567 break;
7568 case TDLS_DISABLE_LINK:
7569 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
7570 break;
7571 case TDLS_ENABLE:
7572 return 0;
7573 case TDLS_DISABLE:
7574 return 0;
7575 default:
7576 return -EINVAL;
7577 }
7578
9725b784 7579 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 7580 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM		 7581 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
7582 nlmsg_free(msg);
7583 return -ENOBUFS;
7584 }
03ea1786
AN		 7585
7586 return send_and_recv_msgs(drv, msg, NULL, NULL);
03ea1786
AN		 7587}
7588
72b2605f
AN		 7589
7590static int
7591nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
7592 const struct hostapd_freq_params *params)
7593{
7594 struct i802_bss *bss = priv;
7595 struct wpa_driver_nl80211_data *drv = bss->drv;
7596 struct nl_msg *msg;
7597 int ret = -ENOBUFS;
7598
7599 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7600 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7601 return -EOPNOTSUPP;
7602
7603 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
7604 " oper_class=%u freq=%u",
7605 MAC2STR(addr), oper_class, params->freq);
7606 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
7607 if (!msg ||
7608 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7609 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
7610 (ret = nl80211_put_freq_params(msg, params))) {
7611 nlmsg_free(msg);
7612 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
7613 return ret;
7614 }
7615
7616 return send_and_recv_msgs(drv, msg, NULL, NULL);
7617}
7618
7619
7620static int
7621nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
7622{
7623 struct i802_bss *bss = priv;
7624 struct wpa_driver_nl80211_data *drv = bss->drv;
7625 struct nl_msg *msg;
7626
7627 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7628 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7629 return -EOPNOTSUPP;
7630
7631 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
7632 MAC2STR(addr));
7633 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
7634 if (!msg ||
7635 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7636 nlmsg_free(msg);
7637 wpa_printf(MSG_DEBUG,
7638 "nl80211: Could not build TDLS cancel chan switch");
7639 return -ENOBUFS;
7640 }
7641
7642 return send_and_recv_msgs(drv, msg, NULL, NULL);
7643}
7644
03ea1786
AN		 7645#endif /* CONFIG TDLS */
7646
7647
9ebce9c5
JM		 7648static int driver_nl80211_set_key(const char *ifname, void *priv,
7649 enum wpa_alg alg, const u8 *addr,
7650 int key_idx, int set_tx,
7651 const u8 *seq, size_t seq_len,
7652 const u8 *key, size_t key_len)
7653{
7654 struct i802_bss *bss = priv;
7655 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
7656 set_tx, seq, seq_len, key, key_len);
7657}
7658
7659
7660static int driver_nl80211_scan2(void *priv,
7661 struct wpa_driver_scan_params *params)
7662{
7663 struct i802_bss *bss = priv;
b658547d 7664#ifdef CONFIG_DRIVER_NL80211_QCA
adcd7c4b
KV		 7665 struct wpa_driver_nl80211_data *drv = bss->drv;
7666
7667 /*
7668 * Do a vendor specific scan if possible. If only_new_results is
7669 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
7670 * cannot be achieved through a vendor scan. The below condition may
7671 * need to be modified if new scan flags are added in the future whose
7672 * functionality can only be achieved through a normal scan.
7673 */
7674 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
7675 return wpa_driver_nl80211_vendor_scan(bss, params);
b658547d 7676#endif /* CONFIG_DRIVER_NL80211_QCA */
9ebce9c5
JM		 7677 return wpa_driver_nl80211_scan(bss, params);
7678}
7679
7680
7681static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
7682 int reason_code)
7683{
7684 struct i802_bss *bss = priv;
7685 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
7686}
7687
7688
7689static int driver_nl80211_authenticate(void *priv,
7690 struct wpa_driver_auth_params *params)
7691{
7692 struct i802_bss *bss = priv;
7693 return wpa_driver_nl80211_authenticate(bss, params);
7694}
7695
7696
7697static void driver_nl80211_deinit(void *priv)
7698{
7699 struct i802_bss *bss = priv;
7700 wpa_driver_nl80211_deinit(bss);
7701}
7702
7703
7704static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
7705 const char *ifname)
7706{
7707 struct i802_bss *bss = priv;
7708 return wpa_driver_nl80211_if_remove(bss, type, ifname);
7709}
7710
7711
7712static int driver_nl80211_send_mlme(void *priv, const u8 *data,
5d180a77 7713 size_t data_len, int noack,
2d3943ce
AO		 7714 unsigned int freq,
7715 const u16 *csa_offs, size_t csa_offs_len)
9ebce9c5
JM		 7716{
7717 struct i802_bss *bss = priv;
7718 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
2d3943ce
AO		 7719 freq, 0, 0, 0, csa_offs,
7720 csa_offs_len);
9ebce9c5
JM		 7721}
7722
7723
7724static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
7725{
7726 struct i802_bss *bss = priv;
59d7148a 7727 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 7728}
7729
7730
9ebce9c5
JM		 7731static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
7732 const char *ifname, int vlan_id)
7733{
7734 struct i802_bss *bss = priv;
7735 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
7736}
9ebce9c5
JM		 7737
7738
7739static int driver_nl80211_read_sta_data(void *priv,
7740 struct hostap_sta_driver_data *data,
7741 const u8 *addr)
7742{
7743 struct i802_bss *bss = priv;
7744 return i802_read_sta_data(bss, data, addr);
7745}
7746
7747
7748static int driver_nl80211_send_action(void *priv, unsigned int freq,
7749 unsigned int wait_time,
7750 const u8 *dst, const u8 *src,
7751 const u8 *bssid,
7752 const u8 *data, size_t data_len,
7753 int no_cck)
7754{
7755 struct i802_bss *bss = priv;
7756 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
7757 bssid, data, data_len, no_cck);
7758}
7759
7760
7761static int driver_nl80211_probe_req_report(void *priv, int report)
7762{
7763 struct i802_bss *bss = priv;
7764 return wpa_driver_nl80211_probe_req_report(bss, report);
7765}
7766
7767
6a1ce395
DG		 7768static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
7769 const u8 *ies, size_t ies_len)
7770{
7771 int ret;
7772 struct nl_msg *msg;
7773 struct i802_bss *bss = priv;
7774 struct wpa_driver_nl80211_data *drv = bss->drv;
7775 u16 mdid = WPA_GET_LE16(md);
7776
6a1ce395 7777 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 7778 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM		 7779 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
7780 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
7781 nlmsg_free(msg);
7782 return -ENOBUFS;
7783 }
6a1ce395
DG		 7784
7785 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7786 if (ret) {
7787 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
7788 "err=%d (%s)", ret, strerror(-ret));
7789 }
7790
7791 return ret;
6a1ce395
DG		 7792}
7793
7794
47754718 7795static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
597b94f5
AS		 7796{
7797 struct i802_bss *bss = priv;
7798 struct wpa_driver_nl80211_data *drv = bss->drv;
7799
7800 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
7801 return NULL;
7802
7803 return bss->addr;
7804}
7805
7806
a771c07d
JM		 7807static const char * scan_state_str(enum scan_states scan_state)
7808{
7809 switch (scan_state) {
7810 case NO_SCAN:
7811 return "NO_SCAN";
7812 case SCAN_REQUESTED:
7813 return "SCAN_REQUESTED";
7814 case SCAN_STARTED:
7815 return "SCAN_STARTED";
7816 case SCAN_COMPLETED:
7817 return "SCAN_COMPLETED";
7818 case SCAN_ABORTED:
7819 return "SCAN_ABORTED";
7820 case SCHED_SCAN_STARTED:
7821 return "SCHED_SCAN_STARTED";
7822 case SCHED_SCAN_STOPPED:
7823 return "SCHED_SCAN_STOPPED";
7824 case SCHED_SCAN_RESULTS:
7825 return "SCHED_SCAN_RESULTS";
7826 }
7827
7828 return "??";
7829}
7830
7831
7832static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
7833{
7834 struct i802_bss *bss = priv;
7835 struct wpa_driver_nl80211_data *drv = bss->drv;
7836 int res;
7837 char *pos, *end;
7838
7839 pos = buf;
7840 end = buf + buflen;
7841
7842 res = os_snprintf(pos, end - pos,
7843 "ifindex=%d\n"
7844 "ifname=%s\n"
7845 "brname=%s\n"
7846 "addr=" MACSTR "\n"
7847 "freq=%d\n"
7848 "%s%s%s%s%s",
7849 bss->ifindex,
7850 bss->ifname,
7851 bss->brname,
7852 MAC2STR(bss->addr),
7853 bss->freq,
7854 bss->beacon_set ? "beacon_set=1\n" : "",
7855 bss->added_if_into_bridge ?
7856 "added_if_into_bridge=1\n" : "",
7857 bss->added_bridge ? "added_bridge=1\n" : "",
7858 bss->in_deinit ? "in_deinit=1\n" : "",
7859 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 7860 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7861 return pos - buf;
7862 pos += res;
7863
7864 if (bss->wdev_id_set) {
7865 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
7866 (unsigned long long) bss->wdev_id);
d85e1fc8 7867 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7868 return pos - buf;
7869 pos += res;
7870 }
7871
7872 res = os_snprintf(pos, end - pos,
7873 "phyname=%s\n"
fee354c7 7874 "perm_addr=" MACSTR "\n"
a771c07d
JM		 7875 "drv_ifindex=%d\n"
7876 "operstate=%d\n"
7877 "scan_state=%s\n"
7878 "auth_bssid=" MACSTR "\n"
7879 "auth_attempt_bssid=" MACSTR "\n"
7880 "bssid=" MACSTR "\n"
7881 "prev_bssid=" MACSTR "\n"
7882 "associated=%d\n"
7883 "assoc_freq=%u\n"
7884 "monitor_sock=%d\n"
7885 "monitor_ifidx=%d\n"
7886 "monitor_refcount=%d\n"
7887 "last_mgmt_freq=%u\n"
7888 "eapol_tx_sock=%d\n"
97752f79 7889 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 7890 drv->phyname,
fee354c7 7891 MAC2STR(drv->perm_addr),
a771c07d
JM		 7892 drv->ifindex,
7893 drv->operstate,
7894 scan_state_str(drv->scan_state),
7895 MAC2STR(drv->auth_bssid),
7896 MAC2STR(drv->auth_attempt_bssid),
7897 MAC2STR(drv->bssid),
7898 MAC2STR(drv->prev_bssid),
7899 drv->associated,
7900 drv->assoc_freq,
7901 drv->monitor_sock,
7902 drv->monitor_ifidx,
7903 drv->monitor_refcount,
7904 drv->last_mgmt_freq,
7905 drv->eapol_tx_sock,
7906 drv->ignore_if_down_event ?
7907 "ignore_if_down_event=1\n" : "",
7908 drv->scan_complete_events ?
7909 "scan_complete_events=1\n" : "",
7910 drv->disabled_11b_rates ?
7911 "disabled_11b_rates=1\n" : "",
7912 drv->pending_remain_on_chan ?
7913 "pending_remain_on_chan=1\n" : "",
7914 drv->in_interface_list ? "in_interface_list=1\n" : "",
7915 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
7916 drv->poll_command_supported ?
7917 "poll_command_supported=1\n" : "",
7918 drv->data_tx_status ? "data_tx_status=1\n" : "",
7919 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
7920 drv->retry_auth ? "retry_auth=1\n" : "",
7921 drv->use_monitor ? "use_monitor=1\n" : "",
7922 drv->ignore_next_local_disconnect ?
7923 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 7924 drv->ignore_next_local_deauth ?
97752f79 7925 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 7926 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7927 return pos - buf;
7928 pos += res;
7929
7930 if (drv->has_capability) {
7931 res = os_snprintf(pos, end - pos,
7932 "capa.key_mgmt=0x%x\n"
7933 "capa.enc=0x%x\n"
7934 "capa.auth=0x%x\n"
24bd4e0b 7935 "capa.flags=0x%llx\n"
a0a34d53 7936 "capa.rrm_flags=0x%x\n"
a771c07d
JM		 7937 "capa.max_scan_ssids=%d\n"
7938 "capa.max_sched_scan_ssids=%d\n"
7939 "capa.sched_scan_supported=%d\n"
7940 "capa.max_match_sets=%d\n"
7941 "capa.max_remain_on_chan=%u\n"
7942 "capa.max_stations=%u\n"
7943 "capa.probe_resp_offloads=0x%x\n"
7944 "capa.max_acl_mac_addrs=%u\n"
86056fea
IP		 7945 "capa.num_multichan_concurrent=%u\n"
7946 "capa.mac_addr_rand_sched_scan_supported=%d\n"
079a28f7
AK		 7947 "capa.mac_addr_rand_scan_supported=%d\n"
7948 "capa.conc_capab=%u\n"
7949 "capa.max_conc_chan_2_4=%u\n"
09ea4309
AS		 7950 "capa.max_conc_chan_5_0=%u\n"
7951 "capa.max_sched_scan_plans=%u\n"
7952 "capa.max_sched_scan_plan_interval=%u\n"
7953 "capa.max_sched_scan_plan_iterations=%u\n",
a771c07d
JM		 7954 drv->capa.key_mgmt,
7955 drv->capa.enc,
7956 drv->capa.auth,
24bd4e0b 7957 (unsigned long long) drv->capa.flags,
a0a34d53 7958 drv->capa.rrm_flags,
a771c07d
JM		 7959 drv->capa.max_scan_ssids,
7960 drv->capa.max_sched_scan_ssids,
7961 drv->capa.sched_scan_supported,
7962 drv->capa.max_match_sets,
7963 drv->capa.max_remain_on_chan,
7964 drv->capa.max_stations,
7965 drv->capa.probe_resp_offloads,
7966 drv->capa.max_acl_mac_addrs,
86056fea
IP		 7967 drv->capa.num_multichan_concurrent,
7968 drv->capa.mac_addr_rand_sched_scan_supported,
079a28f7
AK		 7969 drv->capa.mac_addr_rand_scan_supported,
7970 drv->capa.conc_capab,
7971 drv->capa.max_conc_chan_2_4,
09ea4309
AS		 7972 drv->capa.max_conc_chan_5_0,
7973 drv->capa.max_sched_scan_plans,
7974 drv->capa.max_sched_scan_plan_interval,
7975 drv->capa.max_sched_scan_plan_iterations);
d85e1fc8 7976 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 7977 return pos - buf;
7978 pos += res;
7979 }
7980
7981 return pos - buf;
7982}
7983
7984
1c4ffa87
AO		 7985static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
7986{
a862e4a3
JM		 7987 if ((settings->head &&
7988 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
7989 settings->head_len, settings->head)) ||
7990 (settings->tail &&
7991 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
7992 settings->tail_len, settings->tail)) ||
7993 (settings->beacon_ies &&
7994 nla_put(msg, NL80211_ATTR_IE,
7995 settings->beacon_ies_len, settings->beacon_ies)) ||
7996 (settings->proberesp_ies &&
7997 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
7998 settings->proberesp_ies_len, settings->proberesp_ies)) ||
7999 (settings->assocresp_ies &&
8000 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
8001 settings->assocresp_ies_len, settings->assocresp_ies)) ||
8002 (settings->probe_resp &&
8003 nla_put(msg, NL80211_ATTR_PROBE_RESP,
8004 settings->probe_resp_len, settings->probe_resp)))
8005 return -ENOBUFS;
1c4ffa87
AO		 8006
8007 return 0;
1c4ffa87
AO		 8008}
8009
8010
8011static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
8012{
8013 struct nl_msg *msg;
8014 struct i802_bss *bss = priv;
8015 struct wpa_driver_nl80211_data *drv = bss->drv;
8016 struct nlattr *beacon_csa;
8017 int ret = -ENOBUFS;
366179d2
AO		 8018 int csa_off_len = 0;
8019 int i;
1c4ffa87 8020
8d1fdde7 8021 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 8022 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 8023 settings->freq_params.freq, settings->freq_params.bandwidth,
8024 settings->freq_params.center_freq1,
8025 settings->freq_params.center_freq2);
1c4ffa87 8026
991aa9c7 8027 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 8028 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
8029 return -EOPNOTSUPP;
8030 }
8031
8032 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
8033 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
8034 return -EOPNOTSUPP;
8035
366179d2
AO		 8036 /*
8037 * Remove empty counters, assuming Probe Response and Beacon frame
8038 * counters match. This implementation assumes that there are only two
8039 * counters.
8040 */
8041 if (settings->counter_offset_beacon[0] &&
8042 !settings->counter_offset_beacon[1]) {
8043 csa_off_len = 1;
8044 } else if (settings->counter_offset_beacon[1] &&
8045 !settings->counter_offset_beacon[0]) {
8046 csa_off_len = 1;
8047 settings->counter_offset_beacon[0] =
8048 settings->counter_offset_beacon[1];
8049 settings->counter_offset_presp[0] =
8050 settings->counter_offset_presp[1];
8051 } else if (settings->counter_offset_beacon[1] &&
8052 settings->counter_offset_beacon[0]) {
8053 csa_off_len = 2;
8054 } else {
8055 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
8056 return -EINVAL;
8057 }
8058
8059 /* Check CSA counters validity */
8060 if (drv->capa.max_csa_counters &&
8061 csa_off_len > drv->capa.max_csa_counters) {
8062 wpa_printf(MSG_ERROR,
8063 "nl80211: Too many CSA counters provided");
1c4ffa87 8064 return -EINVAL;
366179d2 8065 }
1c4ffa87 8066
366179d2 8067 if (!settings->beacon_csa.tail)
1c4ffa87
AO		 8068 return -EINVAL;
8069
366179d2
AO		 8070 for (i = 0; i < csa_off_len; i++) {
8071 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
8072 u16 csa_c_off_presp = settings->counter_offset_presp[i];
8073
8074 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
8075 (settings->beacon_csa.tail[csa_c_off_bcn] !=
8076 settings->cs_count))
8077 return -EINVAL;
8078
8079 if (settings->beacon_csa.probe_resp &&
8080 ((settings->beacon_csa.probe_resp_len <=
8081 csa_c_off_presp) ||
8082 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
8083 settings->cs_count)))
8084 return -EINVAL;
8085 }
8086
13f83980 8087 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM		 8088 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
8089 settings->cs_count) ||
8090 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
8091 (settings->block_tx &&
8092 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO		 8093 goto error;
8094
1c4ffa87
AO		 8095 /* beacon_after params */
8096 ret = set_beacon_data(msg, &settings->beacon_after);
8097 if (ret)
8098 goto error;
8099
8100 /* beacon_csa params */
8101 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
8102 if (!beacon_csa)
a862e4a3 8103 goto fail;
1c4ffa87
AO		 8104
8105 ret = set_beacon_data(msg, &settings->beacon_csa);
8106 if (ret)
8107 goto error;
8108
366179d2
AO		 8109 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
8110 csa_off_len * sizeof(u16),
8111 settings->counter_offset_beacon) ||
a862e4a3 8112 (settings->beacon_csa.probe_resp &&
366179d2
AO		 8113 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
8114 csa_off_len * sizeof(u16),
8115 settings->counter_offset_presp)))
a862e4a3 8116 goto fail;
1c4ffa87
AO		 8117
8118 nla_nest_end(msg, beacon_csa);
8119 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8120 if (ret) {
8121 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
8122 ret, strerror(-ret));
8123 }
8124 return ret;
8125
a862e4a3 8126fail:
1c4ffa87
AO		 8127 ret = -ENOBUFS;
8128error:
8129 nlmsg_free(msg);
8130 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
8131 return ret;
8132}
8133
8134
dfa87878
MB		 8135static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
8136 u8 user_priority, u16 admitted_time)
8137{
8138 struct i802_bss *bss = priv;
8139 struct wpa_driver_nl80211_data *drv = bss->drv;
8140 struct nl_msg *msg;
8141 int ret;
8142
8143 wpa_printf(MSG_DEBUG,
8144 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
8145 tsid, admitted_time, user_priority);
8146
8147 if (!is_sta_interface(drv->nlmode))
8148 return -ENOTSUP;
8149
56f77852
JM		 8150 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
8151 if (!msg ||
a862e4a3
JM		 8152 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
8153 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8154 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
8155 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
8156 nlmsg_free(msg);
8157 return -ENOBUFS;
8158 }
dfa87878
MB		 8159
8160 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8161 if (ret)
8162 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
8163 ret, strerror(-ret));
8164 return ret;
dfa87878
MB		 8165}
8166
8167
8168static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
8169{
8170 struct i802_bss *bss = priv;
8171 struct wpa_driver_nl80211_data *drv = bss->drv;
8172 struct nl_msg *msg;
8173 int ret;
8174
8175 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
8176
8177 if (!is_sta_interface(drv->nlmode))
8178 return -ENOTSUP;
8179
56f77852 8180 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM		 8181 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
8182 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8183 nlmsg_free(msg);
8184 return -ENOBUFS;
8185 }
dfa87878
MB		 8186
8187 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8188 if (ret)
8189 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
8190 ret, strerror(-ret));
8191 return ret;
dfa87878
MB		 8192}
8193
8194
6b9f7af6
JM		 8195#ifdef CONFIG_TESTING_OPTIONS
8196static int cmd_reply_handler(struct nl_msg *msg, void *arg)
8197{
8198 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8199 struct wpabuf *buf = arg;
8200
8201 if (!buf)
8202 return NL_SKIP;
8203
8204 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
8205 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
8206 return NL_SKIP;
8207 }
8208
8209 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
8210 genlmsg_attrlen(gnlh, 0));
8211
8212 return NL_SKIP;
8213}
8214#endif /* CONFIG_TESTING_OPTIONS */
8215
8216
adef8948
BL		 8217static int vendor_reply_handler(struct nl_msg *msg, void *arg)
8218{
8219 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8220 struct nlattr *nl_vendor_reply, *nl;
8221 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8222 struct wpabuf *buf = arg;
8223 int rem;
8224
8225 if (!buf)
8226 return NL_SKIP;
8227
8228 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8229 genlmsg_attrlen(gnlh, 0), NULL);
8230 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
8231
8232 if (!nl_vendor_reply)
8233 return NL_SKIP;
8234
8235 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
8236 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
8237 return NL_SKIP;
8238 }
8239
8240 nla_for_each_nested(nl, nl_vendor_reply, rem) {
8241 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
8242 }
8243
8244 return NL_SKIP;
8245}
8246
8247
8248static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
8249 unsigned int subcmd, const u8 *data,
8250 size_t data_len, struct wpabuf *buf)
8251{
8252 struct i802_bss *bss = priv;
8253 struct wpa_driver_nl80211_data *drv = bss->drv;
8254 struct nl_msg *msg;
8255 int ret;
8256
6b9f7af6
JM		 8257#ifdef CONFIG_TESTING_OPTIONS
8258 if (vendor_id == 0xffffffff) {
56f77852
JM		 8259 msg = nlmsg_alloc();
8260 if (!msg)
8261 return -ENOMEM;
8262
6b9f7af6
JM		 8263 nl80211_cmd(drv, msg, 0, subcmd);
8264 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
8265 0)
a862e4a3 8266 goto fail;
6b9f7af6
JM		 8267 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
8268 if (ret)
8269 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
8270 ret);
8271 return ret;
8272 }
8273#endif /* CONFIG_TESTING_OPTIONS */
8274
56f77852 8275 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 8276 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
8277 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
8278 (data &&
8279 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
8280 goto fail;
adef8948
BL		 8281
8282 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
8283 if (ret)
8284 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
8285 ret);
8286 return ret;
8287
a862e4a3 8288fail:
adef8948
BL		 8289 nlmsg_free(msg);
8290 return -ENOBUFS;
8291}
8292
8293
049105b4
KP		 8294static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
8295 u8 qos_map_set_len)
8296{
8297 struct i802_bss *bss = priv;
8298 struct wpa_driver_nl80211_data *drv = bss->drv;
8299 struct nl_msg *msg;
8300 int ret;
8301
049105b4
KP		 8302 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
8303 qos_map_set, qos_map_set_len);
8304
9725b784 8305 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM		 8306 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
8307 nlmsg_free(msg);
8308 return -ENOBUFS;
8309 }
049105b4
KP		 8310
8311 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8312 if (ret)
8313 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
8314
8315 return ret;
049105b4
KP		 8316}
8317
8318
e4fa8b12
EP		 8319static int nl80211_set_wowlan(void *priv,
8320 const struct wowlan_triggers *triggers)
8321{
8322 struct i802_bss *bss = priv;
8323 struct wpa_driver_nl80211_data *drv = bss->drv;
8324 struct nl_msg *msg;
8325 struct nlattr *wowlan_triggers;
8326 int ret;
8327
e4fa8b12
EP		 8328 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
8329
1ac977bd 8330 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM		 8331 !(wowlan_triggers = nla_nest_start(msg,
8332 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
8333 (triggers->any &&
8334 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
8335 (triggers->disconnect &&
8336 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
8337 (triggers->magic_pkt &&
8338 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
8339 (triggers->gtk_rekey_failure &&
8340 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
8341 (triggers->eap_identity_req &&
8342 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
8343 (triggers->four_way_handshake &&
8344 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
8345 (triggers->rfkill_release &&
8346 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
8347 nlmsg_free(msg);
8348 return -ENOBUFS;
8349 }
e4fa8b12
EP		 8350
8351 nla_nest_end(msg, wowlan_triggers);
8352
8353 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8354 if (ret)
8355 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
8356
8357 return ret;
e4fa8b12
EP		 8358}
8359
8360
b658547d 8361#ifdef CONFIG_DRIVER_NL80211_QCA
0800f9ee
JM		 8362static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
8363{
8364 struct i802_bss *bss = priv;
8365 struct wpa_driver_nl80211_data *drv = bss->drv;
8366 struct nl_msg *msg;
8367 struct nlattr *params;
8368
8369 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
8370
8371 if (!drv->roaming_vendor_cmd_avail) {
8372 wpa_printf(MSG_DEBUG,
8373 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
8374 return -1;
8375 }
8376
9725b784 8377 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 8378 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8379 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8380 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
8381 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8382 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
8383 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
8384 QCA_ROAMING_NOT_ALLOWED) ||
8385 (bssid &&
8386 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
8387 nlmsg_free(msg);
8388 return -1;
8389 }
0800f9ee
JM		 8390 nla_nest_end(msg, params);
8391
8392 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee 8393}
b658547d 8394#endif /* CONFIG_DRIVER_NL80211_QCA */
0800f9ee
JM		 8395
8396
fee354c7
JM		 8397static int nl80211_set_mac_addr(void *priv, const u8 *addr)
8398{
8399 struct i802_bss *bss = priv;
8400 struct wpa_driver_nl80211_data *drv = bss->drv;
8401 int new_addr = addr != NULL;
8402
9ce3e610
JM		 8403 if (TEST_FAIL())
8404 return -1;
8405
fee354c7
JM		 8406 if (!addr)
8407 addr = drv->perm_addr;
8408
8409 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
8410 return -1;
8411
8412 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
8413 {
8414 wpa_printf(MSG_DEBUG,
8415 "nl80211: failed to set_mac_addr for %s to " MACSTR,
8416 bss->ifname, MAC2STR(addr));
8417 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
8418 1) < 0) {
8419 wpa_printf(MSG_DEBUG,
8420 "nl80211: Could not restore interface UP after failed set_mac_addr");
8421 }
8422 return -1;
8423 }
8424
8425 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
8426 bss->ifname, MAC2STR(addr));
8427 drv->addr_changed = new_addr;
8428 os_memcpy(bss->addr, addr, ETH_ALEN);
8429
8430 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
8431 {
8432 wpa_printf(MSG_DEBUG,
8433 "nl80211: Could not restore interface UP after set_mac_addr");
8434 }
8435
8436 return 0;
8437}
8438
8439
6c1664f6
BC		 8440#ifdef CONFIG_MESH
8441
8442static int wpa_driver_nl80211_init_mesh(void *priv)
8443{
8444 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
8445 wpa_printf(MSG_INFO,
8446 "nl80211: Failed to set interface into mesh mode");
8447 return -1;
8448 }
8449 return 0;
8450}
8451
8452
21c74e84
JM		 8453static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
8454 size_t mesh_id_len)
8455{
8456 if (mesh_id) {
8457 wpa_hexdump_ascii(MSG_DEBUG, " * Mesh ID (SSID)",
8458 mesh_id, mesh_id_len);
8459 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
8460 }
8461
8462 return 0;
8463}
8464
8465
4ffb3f87
MH		 8466static int nl80211_put_mesh_config(struct nl_msg *msg,
8467 struct wpa_driver_mesh_bss_params *params)
8468{
8469 struct nlattr *container;
8470
8471 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
8472 if (!container)
8473 return -1;
8474
2bd62171
MH		 8475 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
8476 nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8477 params->auto_plinks)) ||
8478 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
8479 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8480 params->max_peer_links)))
4ffb3f87
MH		 8481 return -1;
8482
8483 /*
8484 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
8485 * the timer could disconnect stations even in that case.
8486 */
2bd62171
MH		 8487 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
8488 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4ffb3f87
MH		 8489 params->peer_link_timeout)) {
8490 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
8491 return -1;
8492 }
8493
052b8d38
MH		 8494 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
8495 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
8496 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
8497 return -1;
8498 }
8499
4ffb3f87
MH		 8500 nla_nest_end(msg, container);
8501
8502 return 0;
8503}
8504
8505
0cb5f8d9 8506static int nl80211_join_mesh(struct i802_bss *bss,
6c1664f6
BC		 8507 struct wpa_driver_mesh_join_params *params)
8508{
6c1664f6
BC		 8509 struct wpa_driver_nl80211_data *drv = bss->drv;
8510 struct nl_msg *msg;
8511 struct nlattr *container;
7451a217 8512 int ret = -1;
6c1664f6 8513
6c1664f6 8514 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784 8515 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
f7e889fa
JM		 8516 if (!msg ||
8517 nl80211_put_freq_params(msg, &params->freq) ||
21c74e84
JM		 8518 nl80211_put_basic_rates(msg, params->basic_rates) ||
8519 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
4ac2ea57
MH		 8520 nl80211_put_beacon_int(msg, params->beacon_int) ||
8521 nl80211_put_dtim_period(msg, params->dtim_period))
85e1fad8 8522 goto fail;
9c58c5f7 8523
6c1664f6
BC		 8524 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
8525
8526 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
8527 if (!container)
a862e4a3 8528 goto fail;
6c1664f6
BC		 8529
8530 if (params->ies) {
8531 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM		 8532 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
8533 params->ies))
8534 goto fail;
6c1664f6
BC		 8535 }
8536 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
8537 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM		 8538 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
8539 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
8540 goto fail;
6c1664f6 8541 }
a862e4a3
JM		 8542 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
8543 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
8544 goto fail;
8545 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
8546 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
8547 goto fail;
6c1664f6
BC		 8548 nla_nest_end(msg, container);
8549
2bd62171
MH		 8550 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
8551 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
8552 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
4ffb3f87 8553 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
5a2a6de6 8554 goto fail;
6c1664f6
BC		 8555
8556 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8557 msg = NULL;
8558 if (ret) {
8559 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
8560 ret, strerror(-ret));
a862e4a3 8561 goto fail;
6c1664f6
BC		 8562 }
8563 ret = 0;
92a515b8 8564 drv->assoc_freq = bss->freq = params->freq.freq;
6c1664f6
BC		 8565 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
8566
a862e4a3 8567fail:
6c1664f6
BC		 8568 nlmsg_free(msg);
8569 return ret;
8570}
8571
8572
0cb5f8d9
MH		 8573static int
8574wpa_driver_nl80211_join_mesh(void *priv,
8575 struct wpa_driver_mesh_join_params *params)
8576{
8577 struct i802_bss *bss = priv;
8578 int ret, timeout;
8579
8580 timeout = params->conf.peer_link_timeout;
8581
8582 /* Disable kernel inactivity timer */
8583 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
8584 params->conf.peer_link_timeout = 0;
8585
8586 ret = nl80211_join_mesh(bss, params);
8587 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
8588 wpa_printf(MSG_DEBUG,
8589 "nl80211: Mesh join retry for peer_link_timeout");
8590 /*
8591 * Old kernel does not support setting
8592 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
8593 * into future from peer_link_timeout.
8594 */
8595 params->conf.peer_link_timeout = timeout + 60;
8596 ret = nl80211_join_mesh(priv, params);
8597 }
8598
8599 params->conf.peer_link_timeout = timeout;
8600 return ret;
8601}
8602
8603
6c1664f6
BC		 8604static int wpa_driver_nl80211_leave_mesh(void *priv)
8605{
8606 struct i802_bss *bss = priv;
8607 struct wpa_driver_nl80211_data *drv = bss->drv;
8608 struct nl_msg *msg;
9725b784 8609 int ret;
6c1664f6
BC		 8610
8611 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 8612 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 8613 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC		 8614 if (ret) {
8615 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
8616 ret, strerror(-ret));
a862e4a3
JM		 8617 } else {
8618 wpa_printf(MSG_DEBUG,
8619 "nl80211: mesh leave request send successfully");
6c1664f6 8620 }
6c1664f6 8621
f33c82d2
JM		 8622 if (wpa_driver_nl80211_set_mode(drv->first_bss,
8623 NL80211_IFTYPE_STATION)) {
8624 wpa_printf(MSG_INFO,
8625 "nl80211: Failed to set interface into station mode");
8626 }
6c1664f6
BC		 8627 return ret;
8628}
8629
8630#endif /* CONFIG_MESH */
8631
8632
ed4ddb6d
KP		 8633static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
8634 const u8 *ipaddr, int prefixlen,
8635 const u8 *addr)
71103bed
KP		 8636{
8637#ifdef CONFIG_LIBNL3_ROUTE
8638 struct i802_bss *bss = priv;
8639 struct wpa_driver_nl80211_data *drv = bss->drv;
8640 struct rtnl_neigh *rn;
8641 struct nl_addr *nl_ipaddr = NULL;
8642 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 8643 int family, addrsize;
71103bed
KP		 8644 int res;
8645
ed4ddb6d 8646 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP		 8647 return -EINVAL;
8648
8649 if (bss->br_ifindex == 0) {
8650 wpa_printf(MSG_DEBUG,
8651 "nl80211: bridge must be set before adding an ip neigh to it");
8652 return -1;
8653 }
8654
8655 if (!drv->rtnl_sk) {
8656 wpa_printf(MSG_DEBUG,
8657 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8658 return -1;
8659 }
8660
ed4ddb6d
KP		 8661 if (version == 4) {
8662 family = AF_INET;
8663 addrsize = 4;
8664 } else if (version == 6) {
8665 family = AF_INET6;
8666 addrsize = 16;
8667 } else {
8668 return -EINVAL;
8669 }
8670
71103bed
KP		 8671 rn = rtnl_neigh_alloc();
8672 if (rn == NULL)
8673 return -ENOMEM;
8674
8675 /* set the destination ip address for neigh */
ed4ddb6d 8676 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 8677 if (nl_ipaddr == NULL) {
8678 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8679 res = -ENOMEM;
8680 goto errout;
8681 }
8682 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
8683 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8684 if (res) {
8685 wpa_printf(MSG_DEBUG,
8686 "nl80211: neigh set destination addr failed");
8687 goto errout;
8688 }
8689
8690 /* set the corresponding lladdr for neigh */
8691 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
8692 if (nl_lladdr == NULL) {
8693 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
8694 res = -ENOMEM;
8695 goto errout;
8696 }
8697 rtnl_neigh_set_lladdr(rn, nl_lladdr);
8698
8699 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8700 rtnl_neigh_set_state(rn, NUD_PERMANENT);
8701
8702 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
8703 if (res) {
8704 wpa_printf(MSG_DEBUG,
8705 "nl80211: Adding bridge ip neigh failed: %s",
8706 strerror(errno));
8707 }
8708errout:
8709 if (nl_lladdr)
8710 nl_addr_put(nl_lladdr);
8711 if (nl_ipaddr)
8712 nl_addr_put(nl_ipaddr);
8713 if (rn)
8714 rtnl_neigh_put(rn);
8715 return res;
8716#else /* CONFIG_LIBNL3_ROUTE */
8717 return -1;
8718#endif /* CONFIG_LIBNL3_ROUTE */
8719}
8720
8721
ed4ddb6d
KP		 8722static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
8723 const u8 *ipaddr)
71103bed
KP		 8724{
8725#ifdef CONFIG_LIBNL3_ROUTE
8726 struct i802_bss *bss = priv;
8727 struct wpa_driver_nl80211_data *drv = bss->drv;
8728 struct rtnl_neigh *rn;
8729 struct nl_addr *nl_ipaddr;
ed4ddb6d 8730 int family, addrsize;
71103bed
KP		 8731 int res;
8732
ed4ddb6d 8733 if (!ipaddr)
71103bed
KP		 8734 return -EINVAL;
8735
ed4ddb6d
KP		 8736 if (version == 4) {
8737 family = AF_INET;
8738 addrsize = 4;
8739 } else if (version == 6) {
8740 family = AF_INET6;
8741 addrsize = 16;
8742 } else {
8743 return -EINVAL;
8744 }
8745
71103bed
KP		 8746 if (bss->br_ifindex == 0) {
8747 wpa_printf(MSG_DEBUG,
8748 "nl80211: bridge must be set to delete an ip neigh");
8749 return -1;
8750 }
8751
8752 if (!drv->rtnl_sk) {
8753 wpa_printf(MSG_DEBUG,
8754 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8755 return -1;
8756 }
8757
8758 rn = rtnl_neigh_alloc();
8759 if (rn == NULL)
8760 return -ENOMEM;
8761
8762 /* set the destination ip address for neigh */
ed4ddb6d 8763 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 8764 if (nl_ipaddr == NULL) {
8765 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8766 res = -ENOMEM;
8767 goto errout;
8768 }
8769 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8770 if (res) {
8771 wpa_printf(MSG_DEBUG,
8772 "nl80211: neigh set destination addr failed");
8773 goto errout;
8774 }
8775
8776 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8777
8778 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
8779 if (res) {
8780 wpa_printf(MSG_DEBUG,
8781 "nl80211: Deleting bridge ip neigh failed: %s",
8782 strerror(errno));
8783 }
8784errout:
8785 if (nl_ipaddr)
8786 nl_addr_put(nl_ipaddr);
8787 if (rn)
8788 rtnl_neigh_put(rn);
8789 return res;
8790#else /* CONFIG_LIBNL3_ROUTE */
8791 return -1;
8792#endif /* CONFIG_LIBNL3_ROUTE */
8793}
8794
8795
73d2294f
KP		 8796static int linux_write_system_file(const char *path, unsigned int val)
8797{
8798 char buf[50];
8799 int fd, len;
8800
8801 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 8802 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP		 8803 return -1;
8804
8805 fd = open(path, O_WRONLY);
8806 if (fd < 0)
8807 return -1;
8808
8809 if (write(fd, buf, len) < 0) {
8810 wpa_printf(MSG_DEBUG,
8811 "nl80211: Failed to write Linux system file: %s with the value of %d",
8812 path, val);
8813 close(fd);
8814 return -1;
8815 }
8816 close(fd);
8817
8818 return 0;
8819}
8820
8821
8822static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
8823{
8824 switch (attr) {
8825 case DRV_BR_PORT_ATTR_PROXYARP:
bea8d9a3 8826 return "proxyarp_wifi";
73d2294f
KP		 8827 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
8828 return "hairpin_mode";
8829 }
8830
8831 return NULL;
8832}
8833
8834
8835static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
8836 unsigned int val)
8837{
8838 struct i802_bss *bss = priv;
8839 char path[128];
8840 const char *attr_txt;
8841
8842 attr_txt = drv_br_port_attr_str(attr);
8843 if (attr_txt == NULL)
8844 return -EINVAL;
8845
8846 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
8847 bss->ifname, attr_txt);
8848
8849 if (linux_write_system_file(path, val))
8850 return -1;
8851
8852 return 0;
8853}
8854
8855
7565752d
KP		 8856static const char * drv_br_net_param_str(enum drv_br_net_param param)
8857{
8858 switch (param) {
8859 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8860 return "arp_accept";
60eb9e17
JM		 8861 default:
8862 return NULL;
7565752d 8863 }
7565752d
KP		 8864}
8865
8866
8867static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
8868 unsigned int val)
8869{
8870 struct i802_bss *bss = priv;
8871 char path[128];
8872 const char *param_txt;
8873 int ip_version = 4;
8874
60eb9e17
JM		 8875 if (param == DRV_BR_MULTICAST_SNOOPING) {
8876 os_snprintf(path, sizeof(path),
8877 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
8878 bss->brname);
8879 goto set_val;
8880 }
8881
7565752d
KP		 8882 param_txt = drv_br_net_param_str(param);
8883 if (param_txt == NULL)
8884 return -EINVAL;
8885
8886 switch (param) {
8887 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8888 ip_version = 4;
8889 break;
8890 default:
8891 return -EINVAL;
8892 }
8893
8894 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
8895 ip_version, bss->brname, param_txt);
8896
60eb9e17 8897set_val:
7565752d
KP		 8898 if (linux_write_system_file(path, val))
8899 return -1;
8900
8901 return 0;
8902}
8903
8904
b658547d
JM		 8905#ifdef CONFIG_DRIVER_NL80211_QCA
8906
16689c7c
PX		 8907static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
8908{
8909 switch (hw_mode) {
8910 case HOSTAPD_MODE_IEEE80211B:
8911 return QCA_ACS_MODE_IEEE80211B;
8912 case HOSTAPD_MODE_IEEE80211G:
8913 return QCA_ACS_MODE_IEEE80211G;
8914 case HOSTAPD_MODE_IEEE80211A:
8915 return QCA_ACS_MODE_IEEE80211A;
8916 case HOSTAPD_MODE_IEEE80211AD:
8917 return QCA_ACS_MODE_IEEE80211AD;
3784c058
PX		 8918 case HOSTAPD_MODE_IEEE80211ANY:
8919 return QCA_ACS_MODE_IEEE80211ANY;
16689c7c
PX		 8920 default:
8921 return -1;
8922 }
8923}
8924
8925
d0cdccd3
PX		 8926static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
8927{
8928 int i, len, ret;
8929 u32 *freqs;
8930
8931 if (!freq_list)
8932 return 0;
8933 len = int_array_len(freq_list);
8934 freqs = os_malloc(sizeof(u32) * len);
8935 if (!freqs)
8936 return -1;
8937 for (i = 0; i < len; i++)
8938 freqs[i] = freq_list[i];
8939 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
8940 sizeof(u32) * len, freqs);
8941 os_free(freqs);
8942 return ret;
8943}
8944
8945
16689c7c
PX		 8946static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
8947{
8948 struct i802_bss *bss = priv;
8949 struct wpa_driver_nl80211_data *drv = bss->drv;
8950 struct nl_msg *msg;
8951 struct nlattr *data;
a862e4a3 8952 int ret;
16689c7c
PX		 8953 int mode;
8954
8955 mode = hw_mode_to_qca_acs(params->hw_mode);
8956 if (mode < 0)
8957 return -1;
8958
9725b784 8959 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 8960 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8961 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8962 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
8963 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8964 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
8965 (params->ht_enabled &&
8966 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
8967 (params->ht40_enabled &&
857d9422
MM		 8968 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
8969 (params->vht_enabled &&
8970 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
8971 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
8972 params->ch_width) ||
8973 (params->ch_list_len &&
8974 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
d0cdccd3
PX		 8975 params->ch_list)) ||
8976 add_acs_freq_list(msg, params->freq_list)) {
a862e4a3
JM		 8977 nlmsg_free(msg);
8978 return -ENOBUFS;
8979 }
16689c7c
PX		 8980 nla_nest_end(msg, data);
8981
857d9422
MM		 8982 wpa_printf(MSG_DEBUG,
8983 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
8984 params->hw_mode, params->ht_enabled, params->ht40_enabled,
8985 params->vht_enabled, params->ch_width, params->ch_list_len);
8986
16689c7c 8987 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX		 8988 if (ret) {
8989 wpa_printf(MSG_DEBUG,
8990 "nl80211: Failed to invoke driver ACS function: %s",
8991 strerror(errno));
8992 }
16689c7c
PX		 8993 return ret;
8994}
8995
8996
844dfeb8
SD		 8997static int nl80211_set_band(void *priv, enum set_band band)
8998{
8999 struct i802_bss *bss = priv;
9000 struct wpa_driver_nl80211_data *drv = bss->drv;
9001 struct nl_msg *msg;
9002 struct nlattr *data;
9003 int ret;
9004 enum qca_set_band qca_band;
9005
9006 if (!drv->setband_vendor_cmd_avail)
9007 return -1;
9008
9009 switch (band) {
9010 case WPA_SETBAND_AUTO:
9011 qca_band = QCA_SETBAND_AUTO;
9012 break;
9013 case WPA_SETBAND_5G:
9014 qca_band = QCA_SETBAND_5G;
9015 break;
9016 case WPA_SETBAND_2G:
9017 qca_band = QCA_SETBAND_2G;
9018 break;
9019 default:
9020 return -1;
9021 }
9022
9023 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9024 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9025 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9026 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
9027 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9028 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
9029 nlmsg_free(msg);
9030 return -ENOBUFS;
9031 }
9032 nla_nest_end(msg, data);
9033
9034 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9035 if (ret) {
9036 wpa_printf(MSG_DEBUG,
9037 "nl80211: Driver setband function failed: %s",
9038 strerror(errno));
9039 }
9040 return ret;
9041}
9042
9043
98342208
AK		 9044struct nl80211_pcl {
9045 unsigned int num;
9046 unsigned int *freq_list;
9047};
9048
9049static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
9050{
9051 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9052 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9053 struct nl80211_pcl *param = arg;
9054 struct nlattr *nl_vend, *attr;
9055 enum qca_iface_type iface_type;
9056 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
9057 unsigned int num, max_num;
9058 u32 *freqs;
9059
9060 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9061 genlmsg_attrlen(gnlh, 0), NULL);
9062
9063 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
9064 if (!nl_vend)
9065 return NL_SKIP;
9066
9067 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
9068 nla_data(nl_vend), nla_len(nl_vend), NULL);
9069
9070 attr = tb_vendor[
9071 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
9072 if (!attr) {
9073 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
9074 param->num = 0;
9075 return NL_SKIP;
9076 }
9077
9078 iface_type = (enum qca_iface_type) nla_get_u32(attr);
9079 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
9080 iface_type);
9081
9082 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
9083 if (!attr) {
9084 wpa_printf(MSG_ERROR,
9085 "nl80211: preferred_freq_list couldn't be found");
9086 param->num = 0;
9087 return NL_SKIP;
9088 }
9089
9090 /*
9091 * param->num has the maximum number of entries for which there
9092 * is room in the freq_list provided by the caller.
9093 */
9094 freqs = nla_data(attr);
9095 max_num = nla_len(attr) / sizeof(u32);
9096 if (max_num > param->num)
9097 max_num = param->num;
9098 for (num = 0; num < max_num; num++)
9099 param->freq_list[num] = freqs[num];
9100 param->num = num;
9101
9102 return NL_SKIP;
9103}
9104
9105
9106static int nl80211_get_pref_freq_list(void *priv,
9107 enum wpa_driver_if_type if_type,
9108 unsigned int *num,
9109 unsigned int *freq_list)
9110{
9111 struct i802_bss *bss = priv;
9112 struct wpa_driver_nl80211_data *drv = bss->drv;
9113 struct nl_msg *msg;
9114 int ret;
9115 unsigned int i;
9116 struct nlattr *params;
9117 struct nl80211_pcl param;
9118 enum qca_iface_type iface_type;
9119
9120 if (!drv->get_pref_freq_list)
9121 return -1;
9122
9123 switch (if_type) {
9124 case WPA_IF_STATION:
9125 iface_type = QCA_IFACE_TYPE_STA;
9126 break;
9127 case WPA_IF_AP_BSS:
9128 iface_type = QCA_IFACE_TYPE_AP;
9129 break;
9130 case WPA_IF_P2P_GO:
9131 iface_type = QCA_IFACE_TYPE_P2P_GO;
9132 break;
9133 case WPA_IF_P2P_CLIENT:
9134 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
9135 break;
9136 case WPA_IF_IBSS:
9137 iface_type = QCA_IFACE_TYPE_IBSS;
9138 break;
9139 case WPA_IF_TDLS:
9140 iface_type = QCA_IFACE_TYPE_TDLS;
9141 break;
9142 default:
9143 return -1;
9144 }
9145
9146 param.num = *num;
9147 param.freq_list = freq_list;
9148
9149 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9150 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
9151 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9152 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9153 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
9154 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9155 nla_put_u32(msg,
9156 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
9157 iface_type)) {
9158 wpa_printf(MSG_ERROR,
9159 "%s: err in adding vendor_cmd and vendor_data",
9160 __func__);
9161 nlmsg_free(msg);
9162 return -1;
9163 }
9164 nla_nest_end(msg, params);
9165
9166 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
9167 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
9168 if (ret) {
9169 wpa_printf(MSG_ERROR,
9170 "%s: err in send_and_recv_msgs", __func__);
9171 return ret;
9172 }
9173
9174 *num = param.num;
9175
9176 for (i = 0; i < *num; i++) {
9177 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
9178 i, freq_list[i]);
9179 }
9180
9181 return 0;
9182}
9183
9184
7c813acf
AK		 9185static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
9186{
9187 struct i802_bss *bss = priv;
9188 struct wpa_driver_nl80211_data *drv = bss->drv;
9189 struct nl_msg *msg;
9190 int ret;
9191 struct nlattr *params;
9192
9193 if (!drv->set_prob_oper_freq)
9194 return -1;
9195
9196 wpa_printf(MSG_DEBUG,
9197 "nl80211: Set P2P probable operating freq %u for ifindex %d",
9198 freq, bss->ifindex);
9199
9200 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9201 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9202 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9203 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
9204 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9205 nla_put_u32(msg,
9206 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
9207 QCA_IFACE_TYPE_P2P_CLIENT) ||
9208 nla_put_u32(msg,
9209 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
9210 freq)) {
9211 wpa_printf(MSG_ERROR,
9212 "%s: err in adding vendor_cmd and vendor_data",
9213 __func__);
9214 nlmsg_free(msg);
9215 return -1;
9216 }
9217 nla_nest_end(msg, params);
9218
9219 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9220 msg = NULL;
9221 if (ret) {
9222 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
9223 __func__);
9224 return ret;
9225 }
9226 nlmsg_free(msg);
9227 return 0;
9228}
9229
a6f5b193
PX		 9230
9231static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
9232 unsigned int period, unsigned int interval,
9233 unsigned int count, const u8 *device_types,
9234 size_t dev_types_len,
9235 const u8 *ies, size_t ies_len)
9236{
9237 struct i802_bss *bss = priv;
9238 struct wpa_driver_nl80211_data *drv = bss->drv;
9239 struct nl_msg *msg;
9240 struct nlattr *container;
9241 int ret;
9242
9243 wpa_printf(MSG_DEBUG,
9244 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
9245 freq, period, interval, count);
9246
9247 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
9248 return -1;
9249
9250 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9251 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9252 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9253 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
9254 goto fail;
9255
9256 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
9257 if (!container)
9258 goto fail;
9259
9260 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
9261 freq) ||
9262 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
9263 period) ||
9264 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
9265 interval) ||
9266 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
9267 count) ||
9268 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
9269 dev_types_len, device_types) ||
9270 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
9271 ies_len, ies))
9272 goto fail;
9273
9274 nla_nest_end(msg, container);
9275 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9276 msg = NULL;
9277 if (ret) {
9278 wpa_printf(MSG_DEBUG,
9279 "nl80211: Failed to send P2P Listen offload vendor command");
9280 goto fail;
9281 }
9282
9283 return 0;
9284
9285fail:
9286 nlmsg_free(msg);
9287 return -1;
9288}
9289
9290
9291static int nl80211_p2p_lo_stop(void *priv)
9292{
9293 struct i802_bss *bss = priv;
9294 struct wpa_driver_nl80211_data *drv = bss->drv;
9295 struct nl_msg *msg;
9296
9297 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
9298
9299 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
9300 return -1;
9301
9302 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9303 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9304 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9305 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
9306 nlmsg_free(msg);
9307 return -1;
9308 }
9309
9310 return send_and_recv_msgs(drv, msg, NULL, NULL);
9311}
9312
b658547d
JM		 9313#endif /* CONFIG_DRIVER_NL80211_QCA */
9314
7c813acf 9315
6922d440
IP		 9316static int nl80211_write_to_file(const char *name, unsigned int val)
9317{
9318 int fd, len;
9319 char tmp[128];
9320
9321 fd = open(name, O_RDWR);
9322 if (fd < 0) {
9323 wpa_printf(MSG_ERROR, "nl80211: Failed to open %s: %s",
9324 name, strerror(errno));
9325 return fd;
9326 }
9327
9328 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
9329 len = write(fd, tmp, len);
9330 if (len < 0)
9331 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
9332 name, strerror(errno));
9333 close(fd);
9334
9335 return 0;
9336}
9337
9338
9339static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
9340{
9341 struct i802_bss *bss = priv;
9342 char path[128];
9343 int ret;
9344
9345 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
9346 filter_flags);
9347
9348 /* Configure filtering of unicast frame encrypted using GTK */
9349 ret = os_snprintf(path, sizeof(path),
9350 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
9351 bss->ifname);
bd86ea08
JM		 9352 if (os_snprintf_error(sizeof(path), ret))
9353 return -1;
6922d440
IP		 9354
9355 ret = nl80211_write_to_file(path,
9356 !!(filter_flags &
9357 WPA_DATA_FRAME_FILTER_FLAG_GTK));
9358 if (ret) {
9359 wpa_printf(MSG_ERROR,
9360 "nl80211: Failed to set IPv4 unicast in multicast filter");
9361 return ret;
9362 }
9363
9364 os_snprintf(path, sizeof(path),
9365 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
9366 bss->ifname);
9367 ret = nl80211_write_to_file(path,
9368 !!(filter_flags &
9369 WPA_DATA_FRAME_FILTER_FLAG_GTK));
9370
9371 if (ret) {
9372 wpa_printf(MSG_ERROR,
9373 "nl80211: Failed to set IPv6 unicast in multicast filter");
9374 return ret;
9375 }
9376
9377 /* Configure filtering of unicast frame encrypted using GTK */
9378 os_snprintf(path, sizeof(path),
9379 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
9380 bss->ifname);
9381 ret = nl80211_write_to_file(path,
9382 !!(filter_flags &
9383 WPA_DATA_FRAME_FILTER_FLAG_ARP));
9384 if (ret) {
9385 wpa_printf(MSG_ERROR,
9386 "nl80211: Failed set gratuitous ARP filter");
9387 return ret;
9388 }
9389
9390 /* Configure filtering of IPv6 NA frames */
9391 os_snprintf(path, sizeof(path),
9392 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
9393 bss->ifname);
9394 ret = nl80211_write_to_file(path,
9395 !!(filter_flags &
9396 WPA_DATA_FRAME_FILTER_FLAG_NA));
9397 if (ret) {
9398 wpa_printf(MSG_ERROR,
9399 "nl80211: Failed to set unsolicited NA filter");
9400 return ret;
9401 }
9402
9403 return 0;
9404}
9405
9406
cc9a2575
KV		 9407static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
9408 const u8 **ext_capa, const u8 **ext_capa_mask,
9409 unsigned int *ext_capa_len)
9410{
9411 struct i802_bss *bss = priv;
9412 struct wpa_driver_nl80211_data *drv = bss->drv;
9413 enum nl80211_iftype nlmode;
9414 unsigned int i;
9415
9416 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
9417 return -1;
9418
9419 nlmode = wpa_driver_nl80211_if_type(type);
9420
9421 /* By default, use the per-radio values */
9422 *ext_capa = drv->extended_capa;
9423 *ext_capa_mask = drv->extended_capa_mask;
9424 *ext_capa_len = drv->extended_capa_len;
9425
9426 /* Replace the default value if a per-interface type value exists */
9427 for (i = 0; i < drv->num_iface_ext_capa; i++) {
9428 if (nlmode == drv->iface_ext_capa[i].iftype) {
9429 *ext_capa = drv->iface_ext_capa[i].ext_capa;
9430 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
9431 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
9432 break;
9433 }
9434 }
9435
9436 return 0;
9437}
9438
9439
3f5285e8
JM		 9440const struct wpa_driver_ops wpa_driver_nl80211_ops = {
9441 .name = "nl80211",
9442 .desc = "Linux nl80211/cfg80211",
9443 .get_bssid = wpa_driver_nl80211_get_bssid,
9444 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 9445 .set_key = driver_nl80211_set_key,
9446 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 9447 .sched_scan = wpa_driver_nl80211_sched_scan,
9448 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 9449 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
4f30addb 9450 .abort_scan = wpa_driver_nl80211_abort_scan,
9ebce9c5
JM		 9451 .deauthenticate = driver_nl80211_deauthenticate,
9452 .authenticate = driver_nl80211_authenticate,
3f5285e8 9453 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 9454 .global_init = nl80211_global_init,
9455 .global_deinit = nl80211_global_deinit,
9456 .init2 = wpa_driver_nl80211_init,
9ebce9c5 9457 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 9458 .get_capa = wpa_driver_nl80211_get_capa,
9459 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 9460 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 9461 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 9462 .get_country = wpa_driver_nl80211_get_country,
19c3b566 9463 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 9464 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 9465 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 9466 .if_remove = driver_nl80211_if_remove,
9467 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 9468 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 9469 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 9470 .sta_remove = driver_nl80211_sta_remove,
db149ac9 9471 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 9472 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837 9473 .hapd_init = i802_init,
c5121837 9474 .hapd_deinit = i802_deinit,
f7b3920c 9475 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 9476 .get_seqnum = i802_get_seqnum,
9477 .flush = i802_flush,
c5121837
JM		 9478 .get_inact_sec = i802_get_inact_sec,
9479 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 9480 .set_rts = i802_set_rts,
9481 .set_frag = i802_set_frag,
c5121837 9482 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 9483 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 9484 .sta_deauth = i802_sta_deauth,
9485 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 9486 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 9487 .set_freq = i802_set_freq,
9ebce9c5 9488 .send_action = driver_nl80211_send_action,
5dfca53f 9489 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 9490 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
9491 .cancel_remain_on_channel =
9492 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 9493 .probe_req_report = driver_nl80211_probe_req_report,
af473088 9494 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 9495 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 9496 .resume = wpa_driver_nl80211_resume,
b625473c 9497 .signal_monitor = nl80211_signal_monitor,
1c5c7273 9498 .signal_poll = nl80211_signal_poll,
b91ab76e 9499 .send_frame = nl80211_send_frame,
c55f774d 9500 .set_param = nl80211_set_param,
6859f1cb 9501 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 9502 .add_pmkid = nl80211_add_pmkid,
9503 .remove_pmkid = nl80211_remove_pmkid,
9504 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 9505 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 9506 .poll_client = nl80211_poll_client,
29f338af 9507 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 9508 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 9509 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 9510#ifdef CONFIG_TDLS
9511 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
9512 .tdls_oper = nl80211_tdls_oper,
72b2605f
AN		 9513 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
9514 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
03ea1786 9515#endif /* CONFIG_TDLS */
6a1ce395 9516 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 9517 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 9518 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 9519 .status = wpa_driver_nl80211_status,
1c4ffa87 9520 .switch_channel = nl80211_switch_channel,
0de38036
JM		 9521#ifdef ANDROID_P2P
9522 .set_noa = wpa_driver_set_p2p_noa,
9523 .get_noa = wpa_driver_get_p2p_noa,
9524 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
9525#endif /* ANDROID_P2P */
5e2c3490 9526#ifdef ANDROID
ded14ce9 9527#ifndef ANDROID_LIB_STUB
5e2c3490 9528 .driver_cmd = wpa_driver_nl80211_driver_cmd,
ded14ce9 9529#endif /* !ANDROID_LIB_STUB */
5e2c3490 9530#endif /* ANDROID */
adef8948 9531 .vendor_cmd = nl80211_vendor_cmd,
049105b4 9532 .set_qos_map = nl80211_set_qos_map,
e4fa8b12 9533 .set_wowlan = nl80211_set_wowlan,
fee354c7 9534 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 9535#ifdef CONFIG_MESH
9536 .init_mesh = wpa_driver_nl80211_init_mesh,
9537 .join_mesh = wpa_driver_nl80211_join_mesh,
9538 .leave_mesh = wpa_driver_nl80211_leave_mesh,
9539#endif /* CONFIG_MESH */
71103bed
KP		 9540 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
9541 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 9542 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 9543 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB		 9544 .add_tx_ts = nl80211_add_ts,
9545 .del_tx_ts = nl80211_del_ts,
45e3fc72 9546 .get_ifindex = nl80211_get_ifindex,
b658547d 9547#ifdef CONFIG_DRIVER_NL80211_QCA
9607a1ae 9548 .roaming = nl80211_roaming,
16689c7c 9549 .do_acs = wpa_driver_do_acs,
844dfeb8 9550 .set_band = nl80211_set_band,
98342208 9551 .get_pref_freq_list = nl80211_get_pref_freq_list,
7c813acf 9552 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
a6f5b193
PX		 9553 .p2p_lo_start = nl80211_p2p_lo_start,
9554 .p2p_lo_stop = nl80211_p2p_lo_stop,
cc9985d1 9555 .set_default_scan_ies = nl80211_set_default_scan_ies,
b658547d 9556#endif /* CONFIG_DRIVER_NL80211_QCA */
6922d440 9557 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
cc9a2575 9558 .get_ext_capab = nl80211_get_ext_capab,
3f5285e8 9559};
Unnamed repository; edit this file 'description' to name the repository.