]> git.ipfire.org Git - thirdparty/hostap.git/blame - src/drivers/driver_nl80211.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
nl80211: Share VHT channel configuration for HE
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
98cd3d1c 3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
072ad14c
JM		 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
58f6fbe0 7 * Copyright (c) 2009-2010, Atheros Communications
3f5285e8 8 *
0f3d578e
JM		 9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
3f5285e8
JM		 11 */
12
13#include "includes.h"
6859f1cb 14#include <sys/types.h>
73d2294f 15#include <fcntl.h>
37b7d082 16#include <net/if.h>
3f5285e8 17#include <netlink/genl/genl.h>
3f5285e8 18#include <netlink/genl/ctrl.h>
97ed9a06
KP		 19#ifdef CONFIG_LIBNL3_ROUTE
20#include <netlink/route/neighbour.h>
21#endif /* CONFIG_LIBNL3_ROUTE */
8602b0f2 22#include <linux/rtnetlink.h>
1b648c7e 23#include <netpacket/packet.h>
32ab4855 24#include <linux/errqueue.h>
625f587b 25
3f5285e8 26#include "common.h"
1b648c7e 27#include "eloop.h"
1682c623 28#include "common/qca-vendor.h"
a26582cb 29#include "common/qca-vendor-attr.h"
1b648c7e 30#include "common/ieee802_11_defs.h"
9b90955e 31#include "common/ieee802_11_common.h"
3aa24db9 32#include "common/wpa_common.h"
f10bfc9a 33#include "l2_packet/l2_packet.h"
e2d02c29 34#include "netlink.h"
1474e6e9 35#include "linux_defines.h"
34f2f814 36#include "linux_ioctl.h"
e2d02c29
JM		 37#include "radiotap.h"
38#include "radiotap_iter.h"
8401a6b0 39#include "rfkill.h"
1474e6e9 40#include "driver_nl80211.h"
32ab4855 41
1474e6e9 42
b14e8ea1
JM		 43#ifndef NETLINK_CAP_ACK
44#define NETLINK_CAP_ACK 10
45#endif /* NETLINK_CAP_ACK */
40432e6e
JB		 46/* support for extack if compilation headers are too old */
47#ifndef NETLINK_EXT_ACK
48#define NETLINK_EXT_ACK 11
49enum nlmsgerr_attrs {
50 NLMSGERR_ATTR_UNUSED,
51 NLMSGERR_ATTR_MSG,
52 NLMSGERR_ATTR_OFFS,
53 NLMSGERR_ATTR_COOKIE,
54
55 __NLMSGERR_ATTR_MAX,
56 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
57};
58#endif
59#ifndef NLM_F_CAPPED
60#define NLM_F_CAPPED 0x100
61#endif
62#ifndef NLM_F_ACK_TLVS
63#define NLM_F_ACK_TLVS 0x200
64#endif
65#ifndef SOL_NETLINK
66#define SOL_NETLINK 270
67#endif
68
1474e6e9 69#ifndef CONFIG_LIBNL20
a65a9aed
JB		 70/*
71 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
72 * but when you free a socket again it will mess up its bitmap and
73 * and use the wrong number the next time it needs a socket ID.
74 * Therefore, we wrap the handle alloc/destroy and add our own pid
75 * accounting.
76 */
77static uint32_t port_bitmap[32] = { 0 };
78
79static struct nl_handle *nl80211_handle_alloc(void *cb)
80{
81 struct nl_handle *handle;
82 uint32_t pid = getpid() & 0x3FFFFF;
83 int i;
84
85 handle = nl_handle_alloc_cb(cb);
86
87 for (i = 0; i < 1024; i++) {
88 if (port_bitmap[i / 32] & (1 << (i % 32)))
89 continue;
90 port_bitmap[i / 32] |= 1 << (i % 32);
91 pid += i << 22;
92 break;
93 }
94
95 nl_socket_set_local_port(handle, pid);
96
97 return handle;
98}
99
100static void nl80211_handle_destroy(struct nl_handle *handle)
101{
102 uint32_t port = nl_socket_get_local_port(handle);
103
104 port >>= 22;
105 port_bitmap[port / 32] &= ~(1 << (port % 32));
106
107 nl_handle_destroy(handle);
108}
c5121837
JM		 109#endif /* CONFIG_LIBNL20 */
110
c5121837 111
1c6edec6
JM		 112#ifdef ANDROID
113/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
1c6edec6
JM		 114#undef nl_socket_set_nonblocking
115#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
70a96c81 116
1c6edec6
JM		 117#endif /* ANDROID */
118
119
481234cf 120static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 121{
481234cf 122 struct nl_handle *handle;
a92dfde8 123
481234cf
JM		 124 handle = nl80211_handle_alloc(cb);
125 if (handle == NULL) {
a92dfde8
JB		 126 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
127 "callbacks (%s)", dbg);
481234cf 128 return NULL;
a92dfde8
JB		 129 }
130
481234cf 131 if (genl_connect(handle)) {
a92dfde8
JB		 132 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
133 "netlink (%s)", dbg);
481234cf
JM		 134 nl80211_handle_destroy(handle);
135 return NULL;
a92dfde8
JB		 136 }
137
481234cf 138 return handle;
a92dfde8
JB		 139}
140
141
481234cf 142static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 143{
481234cf 144 if (*handle == NULL)
a92dfde8 145 return;
481234cf
JM		 146 nl80211_handle_destroy(*handle);
147 *handle = NULL;
a92dfde8
JB		 148}
149
150
10b85921
JB		 151#if __WORDSIZE == 64
152#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
153#else
154#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
155#endif
156
5f65e9f7
JB		 157static void nl80211_register_eloop_read(struct nl_handle **handle,
158 eloop_sock_handler handler,
40a68f33 159 void *eloop_data, int persist)
5f65e9f7 160{
fa38860c 161#ifdef CONFIG_LIBNL20
630b3230
JM		 162 /*
163 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
164 * by default. It is possible to hit that limit in some cases where
165 * operations are blocked, e.g., with a burst of Deauthentication frames
166 * to hostapd and STA entry deletion. Try to increase the buffer to make
167 * this less likely to occur.
168 */
169 if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
170 wpa_printf(MSG_DEBUG,
171 "nl80211: Could not set nl_socket RX buffer size: %s",
172 strerror(errno));
173 /* continue anyway with the default (smaller) buffer */
174 }
fa38860c 175#endif /* CONFIG_LIBNL20 */
630b3230 176
10b85921 177 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 178 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
179 eloop_data, *handle);
40a68f33
SD		 180 if (!persist)
181 *handle = (void *) (((intptr_t) *handle) ^
182 ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 183}
184
185
40a68f33 186static void nl80211_destroy_eloop_handle(struct nl_handle **handle, int persist)
5f65e9f7 187{
40a68f33
SD		 188 if (!persist)
189 *handle = (void *) (((intptr_t) *handle) ^
190 ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 191 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
192 nl_destroy_handles(handle);
193}
194
195
36d84860 196static void nl80211_global_deinit(void *priv);
f51f54a0 197static void nl80211_check_global(struct nl80211_global *global);
36d84860 198
9ebce9c5 199static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
4ec68377
JD		 200static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
201 struct hostapd_freq_params *freq);
3c5d34e3 202
362f781e 203static int
0d547d5f 204wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 205 const u8 *set_addr, int first,
206 const char *driver_params);
88df0ef7 207static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 208 unsigned int freq, unsigned int wait,
b106173a 209 const u8 *buf, size_t buf_len, u64 *cookie,
2d3943ce
AO		 210 int no_cck, int no_ack, int offchanok,
211 const u16 *csa_offs, size_t csa_offs_len);
9ebce9c5
JM		 212static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
213 int report);
0915d02c 214
732b1d20
MB		 215#define IFIDX_ANY -1
216
217static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
218 int ifidx_reason);
219static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
220 int ifidx_reason);
221static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
222 int ifidx_reason);
072ad14c 223
e87ef751
PX		 224static int nl80211_set_channel(struct i802_bss *bss,
225 struct hostapd_freq_params *freq, int set_chan);
4e5cb1a3
JM		 226static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
227 int ifindex, int disabled);
504e905c 228
666e508c
JM		 229static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
230 int reset_mode);
21bdbe38 231
bf83eab5 232static int i802_set_iface_flags(struct i802_bss *bss, int up);
0ecff8d7 233static int nl80211_set_param(void *priv, const char *param);
052b8d38
MH		 234#ifdef CONFIG_MESH
235static int nl80211_put_mesh_config(struct nl_msg *msg,
236 struct wpa_driver_mesh_bss_params *params);
237#endif /* CONFIG_MESH */
05e5e615 238static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 239 u16 reason);
bf83eab5 240
3f5285e8 241
8d1fdde7 242/* Converts nl80211_chan_width to a common format */
f3407c66 243enum chan_width convert2width(int width)
8d1fdde7
JD		 244{
245 switch (width) {
246 case NL80211_CHAN_WIDTH_20_NOHT:
247 return CHAN_WIDTH_20_NOHT;
248 case NL80211_CHAN_WIDTH_20:
249 return CHAN_WIDTH_20;
250 case NL80211_CHAN_WIDTH_40:
251 return CHAN_WIDTH_40;
252 case NL80211_CHAN_WIDTH_80:
253 return CHAN_WIDTH_80;
254 case NL80211_CHAN_WIDTH_80P80:
255 return CHAN_WIDTH_80P80;
256 case NL80211_CHAN_WIDTH_160:
257 return CHAN_WIDTH_160;
258 }
259 return CHAN_WIDTH_UNKNOWN;
260}
261
262
f3407c66 263int is_ap_interface(enum nl80211_iftype nlmode)
b1f625e0 264{
0e80ea2c
JM		 265 return nlmode == NL80211_IFTYPE_AP ||
266 nlmode == NL80211_IFTYPE_P2P_GO;
b1f625e0
EP		 267}
268
269
477af8f8 270int is_sta_interface(enum nl80211_iftype nlmode)
b1f625e0 271{
0e80ea2c
JM		 272 return nlmode == NL80211_IFTYPE_STATION ||
273 nlmode == NL80211_IFTYPE_P2P_CLIENT;
b1f625e0
EP		 274}
275
276
6a71413e 277static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2 278{
0e80ea2c
JM		 279 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
280 nlmode == NL80211_IFTYPE_P2P_GO;
b3af99d2
JM		 281}
282
283
f3407c66
JM		 284struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
285 int ifindex)
5dfbd725
JM		 286{
287 struct i802_bss *bss;
288
289 for (bss = drv->first_bss; bss; bss = bss->next) {
290 if (bss->ifindex == ifindex)
291 return bss;
292 }
293
294 return NULL;
295}
296
297
afb0550a
BC		 298static int is_mesh_interface(enum nl80211_iftype nlmode)
299{
300 return nlmode == NL80211_IFTYPE_MESH_POINT;
301}
302
303
f3407c66 304void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
add9b7a4
JM		 305{
306 if (drv->associated)
307 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
308 drv->associated = 0;
309 os_memset(drv->bssid, 0, ETH_ALEN);
091c2277 310 drv->first_bss->freq = 0;
add9b7a4
JM		 311}
312
313
6241fcb1
JM		 314/* nl80211 code */
315static int ack_handler(struct nl_msg *msg, void *arg)
316{
317 int *err = arg;
318 *err = 0;
319 return NL_STOP;
320}
321
322static int finish_handler(struct nl_msg *msg, void *arg)
323{
8e8df255
JM		 324 int *ret = arg;
325 *ret = 0;
6241fcb1
JM		 326 return NL_SKIP;
327}
328
329static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
330 void *arg)
331{
40432e6e
JB		 332 struct nlmsghdr *nlh = (struct nlmsghdr *) err - 1;
333 int len = nlh->nlmsg_len;
334 struct nlattr *attrs;
335 struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
6241fcb1 336 int *ret = arg;
40432e6e
JB		 337 int ack_len = sizeof(*nlh) + sizeof(int) + sizeof(*nlh);
338
6241fcb1 339 *ret = err->error;
40432e6e
JB		 340
341 if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS))
342 return NL_SKIP;
343
344 if (!(nlh->nlmsg_flags & NLM_F_CAPPED))
345 ack_len += err->msg.nlmsg_len - sizeof(*nlh);
346
347 if (len <= ack_len)
348 return NL_STOP;
349
350 attrs = (void *) ((unsigned char *) nlh + ack_len);
351 len -= ack_len;
352
353 nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, len, NULL);
354 if (tb[NLMSGERR_ATTR_MSG]) {
355 len = strnlen((char *) nla_data(tb[NLMSGERR_ATTR_MSG]),
356 nla_len(tb[NLMSGERR_ATTR_MSG]));
357 wpa_printf(MSG_ERROR, "nl80211: kernel reports: %*s",
358 len, (char *) nla_data(tb[NLMSGERR_ATTR_MSG]));
359 }
360
6241fcb1
JM		 361 return NL_SKIP;
362}
363
5b7b85f6
JM		 364
365static int no_seq_check(struct nl_msg *msg, void *arg)
366{
367 return NL_OK;
368}
369
370
bbd89bfc
JM		 371static void nl80211_nlmsg_clear(struct nl_msg *msg)
372{
373 /*
374 * Clear nlmsg data, e.g., to make sure key material is not left in
375 * heap memory for unnecessarily long time.
376 */
377 if (msg) {
378 struct nlmsghdr *hdr = nlmsg_hdr(msg);
379 void *data = nlmsg_data(hdr);
d58ade21
JM		 380 /*
381 * This would use nlmsg_datalen() or the older nlmsg_len() if
382 * only libnl were to maintain a stable API.. Neither will work
383 * with all released versions, so just calculate the length
384 * here.
385 */
386 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
bbd89bfc
JM		 387
388 os_memset(data, 0, len);
389 }
390}
391
392
d6c9aab8 393static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 394 struct nl_handle *nl_handle, struct nl_msg *msg,
395 int (*valid_handler)(struct nl_msg *, void *),
396 void *valid_data)
6241fcb1
JM		 397{
398 struct nl_cb *cb;
40432e6e 399 int err = -ENOMEM, opt;
6241fcb1 400
9725b784
JM		 401 if (!msg)
402 return -ENOMEM;
403
d6c9aab8 404 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 405 if (!cb)
406 goto out;
407
40432e6e
JB		 408 /* try to set NETLINK_EXT_ACK to 1, ignoring errors */
409 opt = 1;
410 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
411 NETLINK_EXT_ACK, &opt, sizeof(opt));
412
b14e8ea1
JM		 413 /* try to set NETLINK_CAP_ACK to 1, ignoring errors */
414 opt = 1;
415 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
416 NETLINK_CAP_ACK, &opt, sizeof(opt));
417
58f6fbe0 418 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 419 if (err < 0)
420 goto out;
421
422 err = 1;
423
424 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 425 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 426 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
427
428 if (valid_handler)
429 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
430 valid_handler, valid_data);
431
34068ac3
JM		 432 while (err > 0) {
433 int res = nl_recvmsgs(nl_handle, cb);
d3d04831 434 if (res < 0) {
34068ac3
JM		 435 wpa_printf(MSG_INFO,
436 "nl80211: %s->nl_recvmsgs failed: %d",
437 __func__, res);
438 }
439 }
6241fcb1
JM		 440 out:
441 nl_cb_put(cb);
bbd89bfc
JM		 442 if (!valid_handler && valid_data == (void *) -1)
443 nl80211_nlmsg_clear(msg);
6241fcb1
JM		 444 nlmsg_free(msg);
445 return err;
446}
447
448
f3407c66
JM		 449int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
450 struct nl_msg *msg,
451 int (*valid_handler)(struct nl_msg *, void *),
452 void *valid_data)
58f6fbe0 453{
481234cf 454 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 455 valid_handler, valid_data);
58f6fbe0
JM		 456}
457
458
97865538
JM		 459struct family_data {
460 const char *group;
461 int id;
462};
463
464
465static int family_handler(struct nl_msg *msg, void *arg)
466{
467 struct family_data *res = arg;
468 struct nlattr *tb[CTRL_ATTR_MAX + 1];
469 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
470 struct nlattr *mcgrp;
471 int i;
472
473 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
474 genlmsg_attrlen(gnlh, 0), NULL);
475 if (!tb[CTRL_ATTR_MCAST_GROUPS])
476 return NL_SKIP;
477
478 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
479 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
480 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
481 nla_len(mcgrp), NULL);
482 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
483 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
484 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
485 res->group,
486 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
487 continue;
488 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
489 break;
490 };
491
492 return NL_SKIP;
493}
494
495
d6c9aab8 496static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 497 const char *family, const char *group)
498{
499 struct nl_msg *msg;
a862e4a3 500 int ret;
97865538
JM		 501 struct family_data res = { group, -ENOENT };
502
503 msg = nlmsg_alloc();
504 if (!msg)
505 return -ENOMEM;
a862e4a3
JM		 506 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
507 0, 0, CTRL_CMD_GETFAMILY, 0) ||
508 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
509 nlmsg_free(msg);
510 return -1;
511 }
97865538 512
1033315f 513 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
97865538
JM		 514 if (ret == 0)
515 ret = res.id;
97865538
JM		 516 return ret;
517}
518
519
f3407c66
JM		 520void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
521 struct nl_msg *msg, int flags, uint8_t cmd)
9fb04070 522{
a5a187b0
JM		 523 if (TEST_FAIL())
524 return NULL;
335d42b1 525 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 526 0, flags, cmd, 0);
9fb04070
JM		 527}
528
529
350acc35
JM		 530static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
531{
532 if (bss->wdev_id_set)
533 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
534 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
535}
536
537
07c7757c
JM		 538struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
539{
540 struct nl_msg *msg;
541
542 msg = nlmsg_alloc();
543 if (!msg)
544 return NULL;
545
546 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
547 nl80211_set_iface_id(msg, bss) < 0) {
548 nlmsg_free(msg);
549 return NULL;
550 }
551
552 return msg;
553}
554
555
556static struct nl_msg *
557nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
558 int flags, uint8_t cmd)
559{
560 struct nl_msg *msg;
561
562 msg = nlmsg_alloc();
563 if (!msg)
564 return NULL;
565
566 if (!nl80211_cmd(drv, msg, flags, cmd) ||
567 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
568 nlmsg_free(msg);
569 return NULL;
570 }
571
572 return msg;
573}
574
575
576struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
577 uint8_t cmd)
578{
579 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
580}
581
582
583struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
584{
585 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
586}
587
588
e32ad281
JB		 589struct wiphy_idx_data {
590 int wiphy_idx;
01517c8b 591 enum nl80211_iftype nlmode;
597b94f5 592 u8 *macaddr;
e32ad281
JB		 593};
594
595
596static int netdev_info_handler(struct nl_msg *msg, void *arg)
597{
598 struct nlattr *tb[NL80211_ATTR_MAX + 1];
599 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
600 struct wiphy_idx_data *info = arg;
601
602 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
603 genlmsg_attrlen(gnlh, 0), NULL);
604
605 if (tb[NL80211_ATTR_WIPHY])
606 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
607
01517c8b
JB		 608 if (tb[NL80211_ATTR_IFTYPE])
609 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
610
597b94f5
AS		 611 if (tb[NL80211_ATTR_MAC] && info->macaddr)
612 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
613 ETH_ALEN);
614
e32ad281
JB		 615 return NL_SKIP;
616}
617
618
f3407c66 619int nl80211_get_wiphy_index(struct i802_bss *bss)
e32ad281
JB		 620{
621 struct nl_msg *msg;
622 struct wiphy_idx_data data = {
623 .wiphy_idx = -1,
597b94f5 624 .macaddr = NULL,
e32ad281
JB		 625 };
626
56f77852 627 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 628 return -1;
e32ad281
JB		 629
630 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
631 return data.wiphy_idx;
e32ad281
JB		 632 return -1;
633}
634
635
01517c8b
JB		 636static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
637{
638 struct nl_msg *msg;
639 struct wiphy_idx_data data = {
597b94f5
AS		 640 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
641 .macaddr = NULL,
01517c8b
JB		 642 };
643
56f77852 644 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 645 return NL80211_IFTYPE_UNSPECIFIED;
01517c8b
JB		 646
647 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
648 return data.nlmode;
01517c8b
JB		 649 return NL80211_IFTYPE_UNSPECIFIED;
650}
01517c8b
JB		 651
652
597b94f5
AS		 653static int nl80211_get_macaddr(struct i802_bss *bss)
654{
655 struct nl_msg *msg;
656 struct wiphy_idx_data data = {
657 .macaddr = bss->addr,
658 };
659
56f77852 660 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 661 return -1;
597b94f5 662
597b94f5 663 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
597b94f5 664}
597b94f5
AS		 665
666
e32ad281
JB		 667static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
668 struct nl80211_wiphy_data *w)
669{
670 struct nl_msg *msg;
a862e4a3 671 int ret;
e32ad281
JB		 672
673 msg = nlmsg_alloc();
674 if (!msg)
675 return -1;
676
a862e4a3
JM		 677 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
678 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
679 nlmsg_free(msg);
680 return -1;
681 }
e32ad281 682
481234cf 683 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 684 if (ret) {
685 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
686 "failed: ret=%d (%s)",
687 ret, strerror(-ret));
e32ad281 688 }
e32ad281
JB		 689 return ret;
690}
691
692
693static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
694{
695 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 696 int res;
e32ad281 697
ee9fc67a 698 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 699
34068ac3 700 res = nl_recvmsgs(handle, w->nl_cb);
d3d04831 701 if (res < 0) {
34068ac3
JM		 702 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
703 __func__, res);
704 }
e32ad281
JB		 705}
706
707
708static int process_beacon_event(struct nl_msg *msg, void *arg)
709{
710 struct nl80211_wiphy_data *w = arg;
711 struct wpa_driver_nl80211_data *drv;
712 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
713 struct nlattr *tb[NL80211_ATTR_MAX + 1];
714 union wpa_event_data event;
715
716 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
717 genlmsg_attrlen(gnlh, 0), NULL);
718
719 if (gnlh->cmd != NL80211_CMD_FRAME) {
720 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
721 gnlh->cmd);
722 return NL_SKIP;
723 }
724
725 if (!tb[NL80211_ATTR_FRAME])
726 return NL_SKIP;
727
728 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
729 wiphy_list) {
730 os_memset(&event, 0, sizeof(event));
731 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
732 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
733 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
734 }
735
736 return NL_SKIP;
737}
738
739
740static struct nl80211_wiphy_data *
741nl80211_get_wiphy_data_ap(struct i802_bss *bss)
742{
743 static DEFINE_DL_LIST(nl80211_wiphys);
744 struct nl80211_wiphy_data *w;
745 int wiphy_idx, found = 0;
746 struct i802_bss *tmp_bss;
a70cd0db 747 u8 channel;
e32ad281
JB		 748
749 if (bss->wiphy_data != NULL)
750 return bss->wiphy_data;
751
752 wiphy_idx = nl80211_get_wiphy_index(bss);
753
754 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
755 if (w->wiphy_idx == wiphy_idx)
756 goto add;
757 }
758
759 /* alloc new one */
760 w = os_zalloc(sizeof(*w));
761 if (w == NULL)
762 return NULL;
763 w->wiphy_idx = wiphy_idx;
764 dl_list_init(&w->bsss);
765 dl_list_init(&w->drvs);
766
a70cd0db
DL		 767 /* Beacon frames not supported in IEEE 802.11ad */
768 if (ieee80211_freq_to_chan(bss->freq, &channel) !=
769 HOSTAPD_MODE_IEEE80211AD) {
770 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
771 if (!w->nl_cb) {
772 os_free(w);
773 return NULL;
774 }
775 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
776 no_seq_check, NULL);
777 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
778 process_beacon_event, w);
779
780 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
781 "wiphy beacons");
782 if (w->nl_beacons == NULL) {
783 os_free(w);
784 return NULL;
785 }
e32ad281 786
a70cd0db
DL		 787 if (nl80211_register_beacons(bss->drv, w)) {
788 nl_destroy_handles(&w->nl_beacons);
789 os_free(w);
790 return NULL;
791 }
e32ad281 792
a70cd0db 793 nl80211_register_eloop_read(&w->nl_beacons,
40a68f33 794 nl80211_recv_beacons, w, 0);
e32ad281
JB		 795 }
796
e32ad281
JB		 797 dl_list_add(&nl80211_wiphys, &w->list);
798
799add:
800 /* drv entry for this bss already there? */
801 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
802 if (tmp_bss->drv == bss->drv) {
803 found = 1;
804 break;
805 }
806 }
807 /* if not add it */
808 if (!found)
809 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
810
811 dl_list_add(&w->bsss, &bss->wiphy_list);
812 bss->wiphy_data = w;
813 return w;
814}
815
816
817static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
818{
819 struct nl80211_wiphy_data *w = bss->wiphy_data;
820 struct i802_bss *tmp_bss;
821 int found = 0;
822
823 if (w == NULL)
824 return;
825 bss->wiphy_data = NULL;
826 dl_list_del(&bss->wiphy_list);
827
828 /* still any for this drv present? */
829 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
830 if (tmp_bss->drv == bss->drv) {
831 found = 1;
832 break;
833 }
834 }
835 /* if not remove it */
836 if (!found)
837 dl_list_del(&bss->drv->wiphy_list);
838
839 if (!dl_list_empty(&w->bsss))
840 return;
841
a70cd0db 842 if (w->nl_beacons)
40a68f33 843 nl80211_destroy_eloop_handle(&w->nl_beacons, 0);
e32ad281
JB		 844
845 nl_cb_put(w->nl_cb);
e32ad281
JB		 846 dl_list_del(&w->list);
847 os_free(w);
848}
849
850
45e3fc72
RM		 851static unsigned int nl80211_get_ifindex(void *priv)
852{
853 struct i802_bss *bss = priv;
854 struct wpa_driver_nl80211_data *drv = bss->drv;
855
856 return drv->ifindex;
857}
858
859
3f5285e8
JM		 860static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
861{
a2e40bb6
FF		 862 struct i802_bss *bss = priv;
863 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 864 if (!drv->associated)
865 return -1;
866 os_memcpy(bssid, drv->bssid, ETH_ALEN);
867 return 0;
3f5285e8
JM		 868}
869
870
3f5285e8
JM		 871static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
872{
a2e40bb6
FF		 873 struct i802_bss *bss = priv;
874 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 875 if (!drv->associated)
876 return -1;
877 os_memcpy(ssid, drv->ssid, drv->ssid_len);
878 return drv->ssid_len;
3f5285e8
JM		 879}
880
881
90a545cc 882static void wpa_driver_nl80211_event_newlink(
45e3fc72
RM		 883 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
884 int ifindex, const char *ifname)
3f5285e8
JM		 885{
886 union wpa_event_data event;
887
45e3fc72 888 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 889 if (if_nametoindex(drv->first_bss->ifname) == 0) {
890 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
891 drv->first_bss->ifname);
892 return;
893 }
894 if (!drv->if_removed)
895 return;
896 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
897 drv->first_bss->ifname);
898 drv->if_removed = 0;
899 }
900
3f5285e8 901 os_memset(&event, 0, sizeof(event));
45e3fc72 902 event.interface_status.ifindex = ifindex;
90a545cc
JM		 903 os_strlcpy(event.interface_status.ifname, ifname,
904 sizeof(event.interface_status.ifname));
905 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
45e3fc72
RM		 906 if (drv)
907 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
908 else
909 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
910 &event);
90a545cc
JM		 911}
912
913
914static void wpa_driver_nl80211_event_dellink(
45e3fc72
RM		 915 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
916 int ifindex, const char *ifname)
90a545cc
JM		 917{
918 union wpa_event_data event;
919
45e3fc72 920 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 921 if (drv->if_removed) {
922 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
923 ifname);
924 return;
d1f4942b 925 }
90a545cc
JM		 926 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
927 ifname);
928 drv->if_removed = 1;
929 } else {
930 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
931 ifname);
7524cfb1
JM		 932 }
933
90a545cc 934 os_memset(&event, 0, sizeof(event));
45e3fc72 935 event.interface_status.ifindex = ifindex;
90a545cc
JM		 936 os_strlcpy(event.interface_status.ifname, ifname,
937 sizeof(event.interface_status.ifname));
938 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
45e3fc72
RM		 939 if (drv)
940 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
941 else
942 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
943 &event);
3f5285e8
JM		 944}
945
946
7524cfb1 947static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 948 u8 *buf, size_t len)
7524cfb1 949{
62d680c3 950 int attrlen, rta_len;
7524cfb1
JM		 951 struct rtattr *attr;
952
62d680c3
JM		 953 attrlen = len;
954 attr = (struct rtattr *) buf;
7524cfb1
JM		 955
956 rta_len = RTA_ALIGN(sizeof(struct rtattr));
957 while (RTA_OK(attr, attrlen)) {
958 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 959 if (os_strcmp(((char *) attr) + rta_len,
960 drv->first_bss->ifname) == 0)
7524cfb1
JM		 961 return 1;
962 else
963 break;
964 }
965 attr = RTA_NEXT(attr, attrlen);
966 }
967
968 return 0;
969}
970
971
972static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 973 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 974{
975 if (drv->ifindex == ifindex)
976 return 1;
977
62d680c3 978 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
f51f54a0 979 nl80211_check_global(drv->global);
7524cfb1
JM		 980 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
981 "interface");
5e0c20ff
JM		 982 if (wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL) < 0)
983 return -1;
7524cfb1
JM		 984 return 1;
985 }
986
987 return 0;
988}
989
990
36d84860 991static struct wpa_driver_nl80211_data *
5e0c20ff
JM		 992nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len,
993 int *init_failed)
36d84860
BG		 994{
995 struct wpa_driver_nl80211_data *drv;
5e0c20ff
JM		 996 int res;
997
998 if (init_failed)
999 *init_failed = 0;
36d84860
BG		 1000 dl_list_for_each(drv, &global->interfaces,
1001 struct wpa_driver_nl80211_data, list) {
5e0c20ff
JM		 1002 res = wpa_driver_nl80211_own_ifindex(drv, idx, buf, len);
1003 if (res < 0) {
1004 wpa_printf(MSG_DEBUG,
1005 "nl80211: Found matching own interface, but failed to complete reinitialization");
1006 if (init_failed)
1007 *init_failed = 1;
1008 return drv;
1009 }
1010 if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY))
36d84860
BG		 1011 return drv;
1012 }
1013 return NULL;
1014}
1015
1016
290834df 1017static void nl80211_refresh_mac(struct wpa_driver_nl80211_data *drv,
77a020a1 1018 int ifindex, int notify)
290834df
BG		 1019{
1020 struct i802_bss *bss;
1021 u8 addr[ETH_ALEN];
1022
1023 bss = get_bss_ifindex(drv, ifindex);
1024 if (bss &&
1025 linux_get_ifhwaddr(drv->global->ioctl_sock,
1026 bss->ifname, addr) < 0) {
1027 wpa_printf(MSG_DEBUG,
1028 "nl80211: %s: failed to re-read MAC address",
1029 bss->ifname);
1030 } else if (bss && os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1031 wpa_printf(MSG_DEBUG,
1032 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1033 MACSTR " to " MACSTR,
1034 ifindex, bss->ifname,
1035 MAC2STR(bss->addr), MAC2STR(addr));
1036 os_memcpy(bss->addr, addr, ETH_ALEN);
77a020a1
BG		 1037 if (notify)
1038 wpa_supplicant_event(drv->ctx,
1039 EVENT_INTERFACE_MAC_CHANGED, NULL);
290834df
BG		 1040 }
1041}
1042
1043
62d680c3
JM		 1044static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1045 struct ifinfomsg *ifi,
1046 u8 *buf, size_t len)
3f5285e8 1047{
36d84860
BG		 1048 struct nl80211_global *global = ctx;
1049 struct wpa_driver_nl80211_data *drv;
90a545cc 1050 int attrlen;
62d680c3 1051 struct rtattr *attr;
97cfcf64 1052 u32 brid = 0;
aef85ba2 1053 char namebuf[IFNAMSIZ];
90a545cc
JM		 1054 char ifname[IFNAMSIZ + 1];
1055 char extra[100], *pos, *end;
5e0c20ff 1056 int init_failed;
3f5285e8 1057
90a545cc
JM		 1058 extra[0] = '\0';
1059 pos = extra;
1060 end = pos + sizeof(extra);
1061 ifname[0] = '\0';
1062
1063 attrlen = len;
1064 attr = (struct rtattr *) buf;
1065 while (RTA_OK(attr, attrlen)) {
1066 switch (attr->rta_type) {
1067 case IFLA_IFNAME:
1068 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1069 break;
1070 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1071 ifname[RTA_PAYLOAD(attr)] = '\0';
1072 break;
1073 case IFLA_MASTER:
1074 brid = nla_get_u32((struct nlattr *) attr);
1075 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1076 break;
1077 case IFLA_WIRELESS:
1078 pos += os_snprintf(pos, end - pos, " wext");
1079 break;
1080 case IFLA_OPERSTATE:
1081 pos += os_snprintf(pos, end - pos, " operstate=%u",
1082 nla_get_u32((struct nlattr *) attr));
1083 break;
1084 case IFLA_LINKMODE:
1085 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1086 nla_get_u32((struct nlattr *) attr));
1087 break;
1088 }
1089 attr = RTA_NEXT(attr, attrlen);
1090 }
1091 extra[sizeof(extra) - 1] = '\0';
1092
f2e90835
JM		 1093 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1094 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1095 ifi->ifi_flags,
3f5285e8
JM		 1096 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1097 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1098 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1099 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4 1100
5e0c20ff 1101 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, &init_failed);
45e3fc72
RM		 1102 if (!drv)
1103 goto event_newlink;
5e0c20ff
JM		 1104 if (init_failed)
1105 return; /* do not update interface state */
45e3fc72 1106
a63063b4 1107 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
106fa1e9 1108 namebuf[0] = '\0';
59d24925 1109 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1110 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
59d24925
JM		 1111 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1112 "event since interface %s is up", namebuf);
7a94120e 1113 drv->ignore_if_down_event = 0;
77a020a1
BG		 1114 /* Re-read MAC address as it may have changed */
1115 nl80211_refresh_mac(drv, ifi->ifi_index, 1);
59d24925
JM		 1116 return;
1117 }
106fa1e9
JM		 1118 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
1119 namebuf, ifname);
1120 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1121 wpa_printf(MSG_DEBUG,
1122 "nl80211: Not the main interface (%s) - do not indicate interface down",
1123 drv->first_bss->ifname);
1124 } else if (drv->ignore_if_down_event) {
7d9c3698
JM		 1125 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1126 "event generated by mode change");
1127 drv->ignore_if_down_event = 0;
1128 } else {
1129 drv->if_disabled = 1;
1130 wpa_supplicant_event(drv->ctx,
1131 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO		 1132
1133 /*
1134 * Try to get drv again, since it may be removed as
1135 * part of the EVENT_INTERFACE_DISABLED handling for
1136 * dynamic interfaces
1137 */
1138 drv = nl80211_find_drv(global, ifi->ifi_index,
5e0c20ff 1139 buf, len, NULL);
819f096f
AO		 1140 if (!drv)
1141 return;
7d9c3698 1142 }
a63063b4
JM		 1143 }
1144
1145 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
8a9950f7 1146 namebuf[0] = '\0';
aef85ba2 1147 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1148 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
aef85ba2
JM		 1149 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1150 "event since interface %s is down",
1151 namebuf);
8a9950f7
HW		 1152 return;
1153 }
1154 wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)",
1155 namebuf, ifname);
1156 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1157 wpa_printf(MSG_DEBUG,
1158 "nl80211: Not the main interface (%s) - do not indicate interface up",
1159 drv->first_bss->ifname);
834ee56f 1160 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 1161 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1162 "event since interface %s does not exist",
834ee56f 1163 drv->first_bss->ifname);
d1f4942b
JM		 1164 } else if (drv->if_removed) {
1165 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1166 "event since interface %s is marked "
834ee56f 1167 "removed", drv->first_bss->ifname);
aef85ba2 1168 } else {
3e0272ca 1169 /* Re-read MAC address as it may have changed */
77a020a1 1170 nl80211_refresh_mac(drv, ifi->ifi_index, 0);
3e0272ca 1171
aef85ba2
JM		 1172 drv->if_disabled = 0;
1173 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1174 NULL);
1175 }
a63063b4
JM		 1176 }
1177
3f5285e8
JM		 1178 /*
1179 * Some drivers send the association event before the operup event--in
1180 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1181 * fails. This will hit us when wpa_supplicant does not need to do
1182 * IEEE 802.1X authentication
1183 */
1184 if (drv->operstate == 1 &&
1185 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM		 1186 !(ifi->ifi_flags & IFF_RUNNING)) {
1187 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1188 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1189 -1, IF_OPER_UP);
3f5285e8 1190 }
97cfcf64 1191
45e3fc72 1192event_newlink:
90a545cc 1193 if (ifname[0])
45e3fc72
RM		 1194 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1195 ifname);
90a545cc 1196
45e3fc72 1197 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
392dfd37
JM		 1198 struct i802_bss *bss;
1199
97cfcf64 1200 /* device has been added to bridge */
40e76396
JM		 1201 if (!if_indextoname(brid, namebuf)) {
1202 wpa_printf(MSG_DEBUG,
1203 "nl80211: Could not find bridge ifname for ifindex %u",
1204 brid);
1205 return;
1206 }
97cfcf64
B		 1207 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1208 brid, namebuf);
732b1d20 1209 add_ifidx(drv, brid, ifi->ifi_index);
392dfd37
JM		 1210
1211 for (bss = drv->first_bss; bss; bss = bss->next) {
1212 if (os_strcmp(ifname, bss->ifname) == 0) {
1213 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1214 break;
1215 }
1216 }
97cfcf64 1217 }
3f5285e8
JM		 1218}
1219
1220
62d680c3
JM		 1221static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1222 struct ifinfomsg *ifi,
1223 u8 *buf, size_t len)
3f5285e8 1224{
36d84860
BG		 1225 struct nl80211_global *global = ctx;
1226 struct wpa_driver_nl80211_data *drv;
90a545cc 1227 int attrlen;
62d680c3 1228 struct rtattr *attr;
97cfcf64 1229 u32 brid = 0;
90a545cc 1230 char ifname[IFNAMSIZ + 1];
f2e90835 1231 char extra[100], *pos, *end;
3f5285e8 1232
f2e90835
JM		 1233 extra[0] = '\0';
1234 pos = extra;
1235 end = pos + sizeof(extra);
90a545cc
JM		 1236 ifname[0] = '\0';
1237
62d680c3
JM		 1238 attrlen = len;
1239 attr = (struct rtattr *) buf;
3f5285e8 1240 while (RTA_OK(attr, attrlen)) {
90a545cc
JM		 1241 switch (attr->rta_type) {
1242 case IFLA_IFNAME:
1243 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1244 break;
1245 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1246 ifname[RTA_PAYLOAD(attr)] = '\0';
1247 break;
1248 case IFLA_MASTER:
97cfcf64 1249 brid = nla_get_u32((struct nlattr *) attr);
f2e90835
JM		 1250 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1251 break;
1252 case IFLA_OPERSTATE:
1253 pos += os_snprintf(pos, end - pos, " operstate=%u",
1254 nla_get_u32((struct nlattr *) attr));
1255 break;
1256 case IFLA_LINKMODE:
1257 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1258 nla_get_u32((struct nlattr *) attr));
90a545cc
JM		 1259 break;
1260 }
3f5285e8
JM		 1261 attr = RTA_NEXT(attr, attrlen);
1262 }
f2e90835
JM		 1263 extra[sizeof(extra) - 1] = '\0';
1264
1265 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1266 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1267 ifi->ifi_flags,
1268 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1269 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1270 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1271 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
97cfcf64 1272
5e0c20ff 1273 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, NULL);
90a545cc 1274
45e3fc72 1275 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
97cfcf64
B		 1276 /* device has been removed from bridge */
1277 char namebuf[IFNAMSIZ];
40e76396
JM		 1278
1279 if (!if_indextoname(brid, namebuf)) {
1280 wpa_printf(MSG_DEBUG,
1281 "nl80211: Could not find bridge ifname for ifindex %u",
1282 brid);
1283 } else {
1284 wpa_printf(MSG_DEBUG,
1285 "nl80211: Remove ifindex %u for bridge %s",
1286 brid, namebuf);
1287 }
732b1d20 1288 del_ifidx(drv, brid, ifi->ifi_index);
97cfcf64 1289 }
45e3fc72
RM		 1290
1291 if (ifi->ifi_family != AF_BRIDGE || !brid)
1292 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1293 ifname);
3f5285e8
JM		 1294}
1295
1296
a1fce391
JM		 1297struct nl80211_get_assoc_freq_arg {
1298 struct wpa_driver_nl80211_data *drv;
1299 unsigned int assoc_freq;
1300 unsigned int ibss_freq;
1301 u8 assoc_bssid[ETH_ALEN];
ed0a4ddc
NW		 1302 u8 assoc_ssid[SSID_MAX_LEN];
1303 u8 assoc_ssid_len;
a1fce391
JM		 1304};
1305
1306static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg)
1307{
1308 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1309 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1310 struct nlattr *bss[NL80211_BSS_MAX + 1];
1311 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
1312 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
1313 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
ed0a4ddc 1314 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
a1fce391
JM		 1315 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
1316 };
1317 struct nl80211_get_assoc_freq_arg *ctx = arg;
1318 enum nl80211_bss_status status;
1319
1320 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1321 genlmsg_attrlen(gnlh, 0), NULL);
1322 if (!tb[NL80211_ATTR_BSS] ||
1323 nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
1324 bss_policy) ||
1325 !bss[NL80211_BSS_STATUS])
1326 return NL_SKIP;
1327
1328 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
1329 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1330 bss[NL80211_BSS_FREQUENCY]) {
1331 ctx->assoc_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1332 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
1333 ctx->assoc_freq);
1334 }
1335 if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
1336 bss[NL80211_BSS_FREQUENCY]) {
1337 ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1338 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
1339 ctx->ibss_freq);
1340 }
1341 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1342 bss[NL80211_BSS_BSSID]) {
1343 os_memcpy(ctx->assoc_bssid,
1344 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
1345 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
1346 MACSTR, MAC2STR(ctx->assoc_bssid));
1347 }
1348
ed0a4ddc
NW		 1349 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1350 bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
1351 const u8 *ie, *ssid;
1352 size_t ie_len;
1353
1354 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1355 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1356 ssid = get_ie(ie, ie_len, WLAN_EID_SSID);
1357 if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) {
1358 ctx->assoc_ssid_len = ssid[1];
1359 os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]);
1360 }
1361 }
1362
a1fce391
JM		 1363 return NL_SKIP;
1364}
1365
1366
ed0a4ddc
NW		 1367int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid)
1368{
1369 struct nl_msg *msg;
1370 int ret;
1371 struct nl80211_get_assoc_freq_arg arg;
1372
1373 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1374 os_memset(&arg, 0, sizeof(arg));
1375 arg.drv = drv;
1376 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1377 &arg);
1378 if (ret == 0) {
1379 os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len);
1380 return arg.assoc_ssid_len;
1381 }
1382 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)",
1383 ret, strerror(-ret));
1384 return ret;
1385}
1386
1387
f3407c66 1388unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
f5a8d422
JM		 1389{
1390 struct nl_msg *msg;
1391 int ret;
a1fce391 1392 struct nl80211_get_assoc_freq_arg arg;
f5a8d422 1393
9725b784 1394 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422 1395 os_memset(&arg, 0, sizeof(arg));
f5a8d422 1396 arg.drv = drv;
a1fce391
JM		 1397 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1398 &arg);
f5a8d422 1399 if (ret == 0) {
c7caac56
JM		 1400 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1401 arg.ibss_freq : arg.assoc_freq;
f5a8d422 1402 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
c7caac56
JM		 1403 "associated BSS from scan results: %u MHz", freq);
1404 if (freq)
1405 drv->assoc_freq = freq;
30158a0d 1406 return drv->assoc_freq;
f5a8d422
JM		 1407 }
1408 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1409 "(%s)", ret, strerror(-ret));
f5a8d422
JM		 1410 return drv->assoc_freq;
1411}
1412
1413
60a972a6
JM		 1414static int get_link_signal(struct nl_msg *msg, void *arg)
1415{
1416 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1417 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1418 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1419 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1420 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1421 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
74fa78b2 1422 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1423 };
7ee35bf3
PS		 1424 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1425 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1426 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1427 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1428 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1429 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1430 };
1c5c7273 1431 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1432
1433 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1434 genlmsg_attrlen(gnlh, 0), NULL);
1435 if (!tb[NL80211_ATTR_STA_INFO] ||
1436 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1437 tb[NL80211_ATTR_STA_INFO], policy))
1438 return NL_SKIP;
1439 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1440 return NL_SKIP;
1441
7ee35bf3
PS		 1442 sig_change->current_signal =
1443 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1444
95783298
AO		 1445 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1446 sig_change->avg_signal =
1447 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1448 else
1449 sig_change->avg_signal = 0;
1450
74fa78b2
JM		 1451 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1452 sig_change->avg_beacon_signal =
1453 (s8)
1454 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1455 else
1456 sig_change->avg_beacon_signal = 0;
1457
7ee35bf3
PS		 1458 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1459 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1460 sinfo[NL80211_STA_INFO_TX_BITRATE],
1461 rate_policy)) {
1462 sig_change->current_txrate = 0;
1463 } else {
1464 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1465 sig_change->current_txrate =
1466 nla_get_u16(rinfo[
1467 NL80211_RATE_INFO_BITRATE]) * 100;
1468 }
1469 }
1470 }
1471
60a972a6
JM		 1472 return NL_SKIP;
1473}
1474
1475
f3407c66
JM		 1476int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1477 struct wpa_signal_info *sig)
60a972a6
JM		 1478{
1479 struct nl_msg *msg;
1480
941807f6 1481 sig->current_signal = -WPA_INVALID_NOISE;
7ee35bf3 1482 sig->current_txrate = 0;
60a972a6 1483
9725b784 1484 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
a862e4a3
JM		 1485 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1486 nlmsg_free(msg);
1487 return -ENOBUFS;
1488 }
60a972a6
JM		 1489
1490 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
60a972a6
JM		 1491}
1492
1493
7ee35bf3
PS		 1494static int get_link_noise(struct nl_msg *msg, void *arg)
1495{
1496 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1497 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1498 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1499 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1500 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1501 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1502 };
1c5c7273 1503 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 1504
1505 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1506 genlmsg_attrlen(gnlh, 0), NULL);
1507
1508 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1509 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1510 return NL_SKIP;
1511 }
1512
1513 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1514 tb[NL80211_ATTR_SURVEY_INFO],
1515 survey_policy)) {
1516 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1517 "attributes!");
1518 return NL_SKIP;
1519 }
1520
1521 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1522 return NL_SKIP;
1523
1524 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1525 sig_change->frequency)
1526 return NL_SKIP;
1527
1528 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1529 return NL_SKIP;
1530
1531 sig_change->current_noise =
1532 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1533
1534 return NL_SKIP;
1535}
1536
1537
f3407c66
JM		 1538int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1539 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 1540{
1541 struct nl_msg *msg;
1542
941807f6 1543 sig_change->current_noise = WPA_INVALID_NOISE;
7ee35bf3
PS		 1544 sig_change->frequency = drv->assoc_freq;
1545
9725b784 1546 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3 1547 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
7ee35bf3
PS		 1548}
1549
1550
7f00dc6e
MV		 1551static int get_channel_info(struct nl_msg *msg, void *arg)
1552{
1553 struct nlattr *tb[NL80211_ATTR_MAX + 1] = { 0 };
1554 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1555 struct wpa_channel_info *chan_info = arg;
1556
1557 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1558 genlmsg_attrlen(gnlh, 0), NULL);
1559
1560 os_memset(chan_info, 0, sizeof(struct wpa_channel_info));
1561 chan_info->chanwidth = CHAN_WIDTH_UNKNOWN;
1562
1563 if (tb[NL80211_ATTR_WIPHY_FREQ])
1564 chan_info->frequency =
1565 nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1566 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1567 chan_info->chanwidth = convert2width(
1568 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
1569 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1570 enum nl80211_channel_type ct =
1571 nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1572
1573 switch (ct) {
1574 case NL80211_CHAN_HT40MINUS:
1575 chan_info->sec_channel = -1;
1576 break;
1577 case NL80211_CHAN_HT40PLUS:
1578 chan_info->sec_channel = 1;
1579 break;
1580 default:
1581 chan_info->sec_channel = 0;
1582 break;
1583 }
1584 }
1585 if (tb[NL80211_ATTR_CENTER_FREQ1])
1586 chan_info->center_frq1 =
1587 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1588 if (tb[NL80211_ATTR_CENTER_FREQ2])
1589 chan_info->center_frq2 =
1590 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1591
1592 if (chan_info->center_frq2) {
1593 u8 seg1_idx = 0;
1594
1595 if (ieee80211_freq_to_chan(chan_info->center_frq2, &seg1_idx) !=
1596 NUM_HOSTAPD_MODES)
1597 chan_info->seg1_idx = seg1_idx;
1598 }
1599
1600 return NL_SKIP;
1601}
1602
1603
1604static int nl80211_channel_info(void *priv, struct wpa_channel_info *ci)
1605{
1606 struct i802_bss *bss = priv;
1607 struct wpa_driver_nl80211_data *drv = bss->drv;
1608 struct nl_msg *msg;
1609
1610 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
1611 return send_and_recv_msgs(drv, msg, get_channel_info, ci);
1612}
1613
1614
97865538 1615static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 1616 void *handle)
97865538 1617{
a4ae123c 1618 struct nl_cb *cb = eloop_ctx;
34068ac3 1619 int res;
97865538 1620
cc2ada86 1621 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 1622
34068ac3 1623 res = nl_recvmsgs(handle, cb);
d3d04831 1624 if (res < 0) {
34068ac3
JM		 1625 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1626 __func__, res);
1627 }
97865538
JM		 1628}
1629
1630
6d158490
LR		 1631/**
1632 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1633 * @priv: driver_nl80211 private data
1634 * @alpha2_arg: country to which to switch to
1635 * Returns: 0 on success, -1 on failure
1636 *
1637 * This asks nl80211 to set the regulatory domain for given
1638 * country ISO / IEC alpha2.
1639 */
1640static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1641{
a2e40bb6
FF		 1642 struct i802_bss *bss = priv;
1643 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 1644 char alpha2[3];
1645 struct nl_msg *msg;
1646
1647 msg = nlmsg_alloc();
1648 if (!msg)
e785c2ba 1649 return -ENOMEM;
6d158490
LR		 1650
1651 alpha2[0] = alpha2_arg[0];
1652 alpha2[1] = alpha2_arg[1];
1653 alpha2[2] = '\0';
1654
a862e4a3
JM		 1655 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1656 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1657 nlmsg_free(msg);
1658 return -EINVAL;
1659 }
6d158490
LR		 1660 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1661 return -EINVAL;
1662 return 0;
6d158490
LR		 1663}
1664
1665
f0793bf1
JM		 1666static int nl80211_get_country(struct nl_msg *msg, void *arg)
1667{
1668 char *alpha2 = arg;
1669 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1670 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1671
1672 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1673 genlmsg_attrlen(gnlh, 0), NULL);
1674 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1675 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1676 return NL_SKIP;
1677 }
1678 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1679 return NL_SKIP;
1680}
1681
1682
1683static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1684{
1685 struct i802_bss *bss = priv;
1686 struct wpa_driver_nl80211_data *drv = bss->drv;
1687 struct nl_msg *msg;
1688 int ret;
1689
1690 msg = nlmsg_alloc();
1691 if (!msg)
1692 return -ENOMEM;
1693
1694 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1695 alpha2[0] = '\0';
1696 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1697 if (!alpha2[0])
1698 ret = -1;
1699
1700 return ret;
1701}
1702
1703
2a7b66f5
BG		 1704static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1705{
d6c9aab8
JB		 1706 int ret;
1707
2a7b66f5
BG		 1708 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1709 if (global->nl_cb == NULL) {
1710 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1711 "callbacks");
1712 return -1;
1713 }
1714
481234cf
JM		 1715 global->nl = nl_create_handle(global->nl_cb, "nl");
1716 if (global->nl == NULL)
d6c9aab8 1717 goto err;
276e2d67 1718
481234cf 1719 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 1720 if (global->nl80211_id < 0) {
276e2d67
BG		 1721 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1722 "found");
d6c9aab8 1723 goto err;
276e2d67
BG		 1724 }
1725
481234cf
JM		 1726 global->nl_event = nl_create_handle(global->nl_cb, "event");
1727 if (global->nl_event == NULL)
d6c9aab8 1728 goto err;
9fff9fdc 1729
d6c9aab8 1730 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 1731 if (ret >= 0)
481234cf 1732 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 1733 if (ret < 0) {
1734 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1735 "membership for scan events: %d (%s)",
1736 ret, strerror(-ret));
d6c9aab8 1737 goto err;
97865538 1738 }
c2a04078 1739
d6c9aab8 1740 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 1741 if (ret >= 0)
481234cf 1742 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 1743 if (ret < 0) {
1744 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1745 "membership for mlme events: %d (%s)",
1746 ret, strerror(-ret));
d6c9aab8 1747 goto err;
c2a04078 1748 }
c2a04078 1749
d6c9aab8 1750 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 1751 if (ret >= 0)
481234cf 1752 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 1753 if (ret < 0) {
1754 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1755 "membership for regulatory events: %d (%s)",
1756 ret, strerror(-ret));
1757 /* Continue without regulatory events */
1758 }
1759
17b79e65
JM		 1760 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1761 if (ret >= 0)
1762 ret = nl_socket_add_membership(global->nl_event, ret);
1763 if (ret < 0) {
1764 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1765 "membership for vendor events: %d (%s)",
1766 ret, strerror(-ret));
1767 /* Continue without vendor events */
1768 }
1769
d6c9aab8
JB		 1770 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1771 no_seq_check, NULL);
1772 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1773 process_global_event, global);
1774
5f65e9f7
JB		 1775 nl80211_register_eloop_read(&global->nl_event,
1776 wpa_driver_nl80211_event_receive,
40a68f33 1777 global->nl_cb, 0);
d6c9aab8
JB		 1778
1779 return 0;
1780
1781err:
1782 nl_destroy_handles(&global->nl_event);
1783 nl_destroy_handles(&global->nl);
1784 nl_cb_put(global->nl_cb);
671a5039 1785 global->nl_cb = NULL;
d6c9aab8
JB		 1786 return -1;
1787}
1788
1789
f51f54a0
JM		 1790static void nl80211_check_global(struct nl80211_global *global)
1791{
1792 struct nl_handle *handle;
1793 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1794 int ret;
1795 unsigned int i;
1796
1797 /*
1798 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1799 * and all registration having been cleared.
1800 */
1801 handle = (void *) (((intptr_t) global->nl_event) ^
1802 ELOOP_SOCKET_INVALID);
1803
1804 for (i = 0; groups[i]; i++) {
1805 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1806 if (ret >= 0)
1807 ret = nl_socket_add_membership(handle, ret);
1808 if (ret < 0) {
1809 wpa_printf(MSG_INFO,
1810 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1811 groups[i], ret, strerror(-ret));
1812 }
1813 }
1814}
1815
1816
8401a6b0
JM		 1817static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1818{
6da504a1
IP		 1819 struct wpa_driver_nl80211_data *drv = ctx;
1820
8401a6b0 1821 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
6da504a1 1822
a63063b4 1823 /*
6da504a1
IP		 1824 * rtnetlink ifdown handler will report interfaces other than the P2P
1825 * Device interface as disabled.
a63063b4 1826 */
6da504a1
IP		 1827 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1828 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
8401a6b0
JM		 1829}
1830
1831
1832static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1833{
1834 struct wpa_driver_nl80211_data *drv = ctx;
1835 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 1836 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 1837 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1838 "after rfkill unblock");
1839 return;
1840 }
e8dc205f
AO		 1841
1842 if (is_p2p_net_interface(drv->nlmode))
1843 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1844
6da504a1
IP		 1845 /*
1846 * rtnetlink ifup handler will report interfaces other than the P2P
1847 * Device interface as enabled.
1848 */
1849 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1850 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
8401a6b0
JM		 1851}
1852
1853
32ab4855
JB		 1854static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1855 void *eloop_ctx,
1856 void *handle)
1857{
1858 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1859 u8 data[2048];
1860 struct msghdr msg;
1861 struct iovec entry;
cad0f50e 1862 u8 control[512];
32ab4855
JB		 1863 struct cmsghdr *cmsg;
1864 int res, found_ee = 0, found_wifi = 0, acked = 0;
1865 union wpa_event_data event;
1866
1867 memset(&msg, 0, sizeof(msg));
1868 msg.msg_iov = &entry;
1869 msg.msg_iovlen = 1;
1870 entry.iov_base = data;
1871 entry.iov_len = sizeof(data);
1872 msg.msg_control = &control;
1873 msg.msg_controllen = sizeof(control);
1874
1875 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1876 /* if error or not fitting 802.3 header, return */
1877 if (res < 14)
1878 return;
1879
1880 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1881 {
1882 if (cmsg->cmsg_level == SOL_SOCKET &&
1883 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1884 int *ack;
1885
1886 found_wifi = 1;
1887 ack = (void *)CMSG_DATA(cmsg);
1888 acked = *ack;
1889 }
1890
1891 if (cmsg->cmsg_level == SOL_PACKET &&
1892 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1893 struct sock_extended_err *err =
1894 (struct sock_extended_err *)CMSG_DATA(cmsg);
1895
1896 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1897 found_ee = 1;
1898 }
1899 }
1900
1901 if (!found_ee || !found_wifi)
1902 return;
1903
1904 memset(&event, 0, sizeof(event));
1905 event.eapol_tx_status.dst = data;
1906 event.eapol_tx_status.data = data + 14;
1907 event.eapol_tx_status.data_len = res - 14;
1908 event.eapol_tx_status.ack = acked;
1909 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1910}
1911
1912
cc7a48d1
JB		 1913static int nl80211_init_bss(struct i802_bss *bss)
1914{
1915 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1916 if (!bss->nl_cb)
1917 return -1;
1918
1919 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1920 no_seq_check, NULL);
1921 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1922 process_bss_event, bss);
1923
1924 return 0;
1925}
1926
1927
1928static void nl80211_destroy_bss(struct i802_bss *bss)
1929{
1930 nl_cb_put(bss->nl_cb);
1931 bss->nl_cb = NULL;
1932}
1933
1934
0e92fb8f
JB		 1935static void
1936wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1937{
1938 struct rfkill_config *rcfg;
1939
1940 if (drv->rfkill)
1941 return;
1942
1943 rcfg = os_zalloc(sizeof(*rcfg));
1944 if (!rcfg)
1945 return;
1946
1947 rcfg->ctx = drv;
1948
1949 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1950 * not associated with a netdev, so use the name of some other interface
1951 * sharing the same wiphy as the P2P Device interface.
1952 *
1953 * Note: This is valid, as a P2P Device interface is always dynamically
1954 * created and is created only once another wpa_s interface was added.
1955 */
1956 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1957 struct nl80211_global *global = drv->global;
1958 struct wpa_driver_nl80211_data *tmp1;
1959
1960 dl_list_for_each(tmp1, &global->interfaces,
1961 struct wpa_driver_nl80211_data, list) {
1962 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1963 !tmp1->rfkill)
1964 continue;
1965
1966 wpa_printf(MSG_DEBUG,
1967 "nl80211: Use (%s) to initialize P2P Device rfkill",
1968 tmp1->first_bss->ifname);
1969 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1970 sizeof(rcfg->ifname));
1971 break;
1972 }
1973 } else {
1974 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1975 sizeof(rcfg->ifname));
1976 }
1977
1978 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1979 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1980 drv->rfkill = rfkill_init(rcfg);
1981 if (!drv->rfkill) {
1982 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1983 os_free(rcfg);
1984 }
1985}
1986
1987
0d547d5f
JM		 1988static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1989 void *global_priv, int hostapd,
0ecff8d7
JM		 1990 const u8 *set_addr,
1991 const char *driver_params)
9fff9fdc 1992{
9fff9fdc 1993 struct wpa_driver_nl80211_data *drv;
a2e40bb6 1994 struct i802_bss *bss;
9fff9fdc 1995
a5c696ad
JM		 1996 if (global_priv == NULL)
1997 return NULL;
9fff9fdc
JM		 1998 drv = os_zalloc(sizeof(*drv));
1999 if (drv == NULL)
2000 return NULL;
f2ed8023 2001 drv->global = global_priv;
9fff9fdc 2002 drv->ctx = ctx;
0d547d5f
JM		 2003 drv->hostapd = !!hostapd;
2004 drv->eapol_sock = -1;
64ae2447
JM		 2005
2006 /*
2007 * There is no driver capability flag for this, so assume it is
2008 * supported and disable this on first attempt to use if the driver
2009 * rejects the command due to missing support.
2010 */
2011 drv->set_rekey_offload = 1;
2012
099224c1 2013 drv->num_if_indices = ARRAY_SIZE(drv->default_if_indices);
0d547d5f 2014 drv->if_indices = drv->default_if_indices;
834ee56f
KP		 2015
2016 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
2017 if (!drv->first_bss) {
2018 os_free(drv);
2019 return NULL;
2020 }
2021 bss = drv->first_bss;
a2e40bb6 2022 bss->drv = drv;
a5e1eb20
SE		 2023 bss->ctx = ctx;
2024
a2e40bb6 2025 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 2026 drv->monitor_ifidx = -1;
2027 drv->monitor_sock = -1;
d12dab4c 2028 drv->eapol_tx_sock = -1;
b1f625e0 2029 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 2030
cc7a48d1
JB		 2031 if (nl80211_init_bss(bss))
2032 goto failed;
2033
0ecff8d7 2034 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
bbaf0837 2035 goto failed;
7524cfb1 2036
d12dab4c 2037 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 2038 if (drv->eapol_tx_sock < 0)
2039 goto failed;
2040
2041 if (drv->data_tx_status) {
2042 int enabled = 1;
2043
2044 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
2045 &enabled, sizeof(enabled)) < 0) {
2046 wpa_printf(MSG_DEBUG,
2047 "nl80211: wifi status sockopt failed\n");
2048 drv->data_tx_status = 0;
a11241fa
JB		 2049 if (!drv->use_monitor)
2050 drv->capa.flags &=
2051 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 2052 } else {
2053 eloop_register_read_sock(drv->eapol_tx_sock,
2054 wpa_driver_nl80211_handle_eapol_tx_status,
2055 drv, NULL);
2056 }
2057 }
f10bfc9a 2058
dac12351 2059 if (drv->global) {
f51f54a0 2060 nl80211_check_global(drv->global);
c4bb8817 2061 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 2062 drv->in_interface_list = 1;
2063 }
c4bb8817 2064
a2e40bb6 2065 return bss;
7524cfb1 2066
bbaf0837 2067failed:
dac12351 2068 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 2069 return NULL;
2070}
2071
2072
0d547d5f
JM		 2073/**
2074 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
2075 * @ctx: context to be used when calling wpa_supplicant functions,
2076 * e.g., wpa_supplicant_event()
2077 * @ifname: interface name, e.g., wlan0
2078 * @global_priv: private driver global data from global_init()
2079 * Returns: Pointer to private data, %NULL on failure
2080 */
2081static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
2082 void *global_priv)
2083{
0ecff8d7
JM		 2084 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
2085 NULL);
0d547d5f
JM		 2086}
2087
2088
a11241fa 2089static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 2090 struct nl_handle *nl_handle,
bd94971e 2091 u16 type, const u8 *match, size_t match_len)
58f6fbe0 2092{
a11241fa 2093 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 2094 struct nl_msg *msg;
a862e4a3 2095 int ret;
880de885 2096 char buf[30];
58f6fbe0 2097
880de885
JM		 2098 buf[0] = '\0';
2099 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
dedfa440
PF		 2100 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
2101 type, fc2str(type), nl_handle, buf);
36488c05 2102
56f77852 2103 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
a862e4a3
JM		 2104 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
2105 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
2106 nlmsg_free(msg);
2107 return -1;
2108 }
58f6fbe0 2109
d6c9aab8 2110 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0 2111 if (ret) {
5582a5d1
JB		 2112 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
2113 "failed (type=%u): ret=%d (%s)",
2114 type, ret, strerror(-ret));
2115 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0 2116 match, match_len);
58f6fbe0 2117 }
58f6fbe0
JM		 2118 return ret;
2119}
2120
2121
a11241fa
JB		 2122static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
2123{
481234cf 2124 if (bss->nl_mgmt) {
a11241fa 2125 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 2126 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 2127 return -1;
2128 }
2129
ce20a370 2130 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
481234cf 2131 if (bss->nl_mgmt == NULL)
a11241fa
JB		 2132 return -1;
2133
a11241fa
JB		 2134 return 0;
2135}
2136
2137
5f65e9f7
JB		 2138static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
2139{
2140 nl80211_register_eloop_read(&bss->nl_mgmt,
2141 wpa_driver_nl80211_event_receive,
40a68f33 2142 bss->nl_cb, 0);
5f65e9f7
JB		 2143}
2144
2145
a11241fa 2146static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 2147 const u8 *match, size_t match_len)
2148{
2149 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 2150 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 2151 type, match, match_len);
bd94971e
JB		 2152}
2153
2154
40a68f33
SD		 2155static int nl80211_init_connect_handle(struct i802_bss *bss)
2156{
2157 if (bss->nl_connect) {
2158 wpa_printf(MSG_DEBUG,
2159 "nl80211: Connect handle already created (nl_connect=%p)",
2160 bss->nl_connect);
2161 return -1;
2162 }
2163
2164 bss->nl_connect = nl_create_handle(bss->nl_cb, "connect");
2165 if (!bss->nl_connect)
2166 return -1;
2167 nl80211_register_eloop_read(&bss->nl_connect,
2168 wpa_driver_nl80211_event_receive,
2169 bss->nl_cb, 1);
2170 return 0;
2171}
2172
2173
a11241fa 2174static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 2175{
a11241fa 2176 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 2177 int ret = 0;
a11241fa
JB		 2178
2179 if (nl80211_alloc_mgmt_handle(bss))
2180 return -1;
36488c05
JM		 2181 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
2182 "handle %p", bss->nl_mgmt);
a11241fa 2183
ba71cb82
SD		 2184 if (drv->nlmode == NL80211_IFTYPE_ADHOC ||
2185 ((drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
2186 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME))) {
e8d1168b
JB		 2187 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2188
2189 /* register for any AUTH message */
2190 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
2191 }
2192
56f5af48
JM		 2193#ifdef CONFIG_INTERWORKING
2194 /* QoS Map Configure */
2195 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 2196 ret = -1;
56f5af48 2197#endif /* CONFIG_INTERWORKING */
00b02149 2198#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP)
046b26a2 2199 /* GAS Initial Request */
a11241fa 2200 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 2201 ret = -1;
046b26a2 2202 /* GAS Initial Response */
a11241fa 2203 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 2204 ret = -1;
18708aad 2205 /* GAS Comeback Request */
a11241fa 2206 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 2207 ret = -1;
18708aad 2208 /* GAS Comeback Response */
a11241fa 2209 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 2210 ret = -1;
c5a64e2d
JM		 2211 /* Protected GAS Initial Request */
2212 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
2213 ret = -1;
2214 /* Protected GAS Initial Response */
2215 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
2216 ret = -1;
2217 /* Protected GAS Comeback Request */
2218 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
2219 ret = -1;
2220 /* Protected GAS Comeback Response */
2221 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
2222 ret = -1;
00b02149 2223#endif /* CONFIG_P2P || CONFIG_INTERWORKING || CONFIG_DPP */
4fe9fa0d 2224#ifdef CONFIG_P2P
046b26a2 2225 /* P2P Public Action */
a11241fa 2226 if (nl80211_register_action_frame(bss,
046b26a2
JM		 2227 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
2228 6) < 0)
6f06766e 2229 ret = -1;
046b26a2 2230 /* P2P Action */
a11241fa 2231 if (nl80211_register_action_frame(bss,
046b26a2
JM		 2232 (u8 *) "\x7f\x50\x6f\x9a\x09",
2233 5) < 0)
6f06766e 2234 ret = -1;
046b26a2 2235#endif /* CONFIG_P2P */
00b02149
JM		 2236#ifdef CONFIG_DPP
2237 /* DPP Public Action */
2238 if (nl80211_register_action_frame(bss,
2239 (u8 *) "\x04\x09\x50\x6f\x9a\x1a",
2240 6) < 0)
2241 ret = -1;
2242#endif /* CONFIG_DPP */
7d878ca7 2243#ifdef CONFIG_IEEE80211W
f9da7505
MV		 2244#ifdef CONFIG_OCV
2245 /* SA Query Request */
2246 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x00", 2) < 0)
2247 ret = -1;
2248#endif /* CONFIG_OCV */
7d878ca7 2249 /* SA Query Response */
a11241fa 2250 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 2251 ret = -1;
7d878ca7 2252#endif /* CONFIG_IEEE80211W */
35287637
AN		 2253#ifdef CONFIG_TDLS
2254 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
2255 /* TDLS Discovery Response */
aa543c0c 2256 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 2257 0)
6f06766e 2258 ret = -1;
35287637
AN		 2259 }
2260#endif /* CONFIG_TDLS */
46ab9b8c
AN		 2261#ifdef CONFIG_FST
2262 /* FST Action frames */
2263 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2264 ret = -1;
2265#endif /* CONFIG_FST */
046b26a2 2266
7b90c16a 2267 /* FT Action frames */
a11241fa 2268 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 2269 ret = -1;
7b90c16a
JM		 2270 else
2271 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
2272 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2273
71269b37 2274 /* WNM - BSS Transition Management Request */
a11241fa 2275 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 2276 ret = -1;
bd896433
JM		 2277 /* WNM-Sleep Mode Response */
2278 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 2279 ret = -1;
d514b502
JM		 2280#ifdef CONFIG_WNM
2281 /* WNM - Collocated Interference Request */
2282 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x0b", 2) < 0)
2283 ret = -1;
2284#endif /* CONFIG_WNM */
a11241fa 2285
95a3ea94
JM		 2286#ifdef CONFIG_HS20
2287 /* WNM-Notification */
2288 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
3ee18569 2289 ret = -1;
95a3ea94
JM		 2290#endif /* CONFIG_HS20 */
2291
dfa87878
MB		 2292 /* WMM-AC ADDTS Response */
2293 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
730a0d16 2294 ret = -1;
dfa87878
MB		 2295
2296 /* WMM-AC DELTS */
2297 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
730a0d16 2298 ret = -1;
dfa87878 2299
2526ccd9
AK		 2300 /* Radio Measurement - Neighbor Report Response */
2301 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
2302 ret = -1;
2303
864b9522
DS		 2304 /* Radio Measurement - Radio Measurement Request */
2305 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2306 ret = -1;
2307
7dc03388
AO		 2308 /* Radio Measurement - Link Measurement Request */
2309 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2310 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2311 ret = -1;
2312
5f65e9f7
JB		 2313 nl80211_mgmt_handle_register_eloop(bss);
2314
6f06766e 2315 return ret;
a11241fa
JB		 2316}
2317
2318
afb0550a
BC		 2319static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2320{
2321 int ret = 0;
2322
2323 if (nl80211_alloc_mgmt_handle(bss))
2324 return -1;
2325
2326 wpa_printf(MSG_DEBUG,
2327 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2328 bss->nl_mgmt);
2329
2330 /* Auth frames for mesh SAE */
2331 if (nl80211_register_frame(bss, bss->nl_mgmt,
2332 (WLAN_FC_TYPE_MGMT << 2) |
2333 (WLAN_FC_STYPE_AUTH << 4),
2334 NULL, 0) < 0)
2335 ret = -1;
2336
2337 /* Mesh peering open */
2338 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2339 ret = -1;
2340 /* Mesh peering confirm */
2341 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2342 ret = -1;
2343 /* Mesh peering close */
2344 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2345 ret = -1;
2346
2347 nl80211_mgmt_handle_register_eloop(bss);
2348
2349 return ret;
2350}
2351
2352
02bb32c3
JB		 2353static int nl80211_register_spurious_class3(struct i802_bss *bss)
2354{
02bb32c3 2355 struct nl_msg *msg;
a862e4a3 2356 int ret;
02bb32c3 2357
13f83980
JM		 2358 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2359 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 2360 if (ret) {
2361 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2362 "failed: ret=%d (%s)",
2363 ret, strerror(-ret));
02bb32c3 2364 }
02bb32c3
JB		 2365 return ret;
2366}
2367
2368
4d916ed6
KV		 2369static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2370{
2371 int ret = 0;
2372
2373 /* Public Action frames */
2374 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2375 ret = -1;
2376 /* RRM Measurement Report */
2377 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2378 ret = -1;
e4ec6bbf
JM		 2379 /* RRM Link Measurement Report */
2380 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0)
2381 ret = -1;
4d916ed6
KV		 2382 /* RRM Neighbor Report Request */
2383 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2384 ret = -1;
2385 /* FT Action frames */
2386 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2387 ret = -1;
2388#ifdef CONFIG_IEEE80211W
2389 /* SA Query */
2390 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2391 ret = -1;
2392#endif /* CONFIG_IEEE80211W */
2393 /* Protected Dual of Public Action */
2394 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2395 ret = -1;
2396 /* WNM */
2397 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2398 ret = -1;
2399 /* WMM */
2400 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2401 ret = -1;
2402#ifdef CONFIG_FST
2403 /* FST Action frames */
2404 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2405 ret = -1;
2406#endif /* CONFIG_FST */
2407 /* Vendor-specific */
2408 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2409 ret = -1;
2410
2411 return ret;
2412}
2413
2414
a11241fa
JB		 2415static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2416{
2417 static const int stypes[] = {
2418 WLAN_FC_STYPE_AUTH,
2419 WLAN_FC_STYPE_ASSOC_REQ,
2420 WLAN_FC_STYPE_REASSOC_REQ,
2421 WLAN_FC_STYPE_DISASSOC,
2422 WLAN_FC_STYPE_DEAUTH,
a11241fa
JB		 2423 WLAN_FC_STYPE_PROBE_REQ,
2424/* Beacon doesn't work as mac80211 doesn't currently allow
2425 * it, but it wouldn't really be the right thing anyway as
2426 * it isn't per interface ... maybe just dump the scan
2427 * results periodically for OLBC?
2428 */
0e80ea2c 2429 /* WLAN_FC_STYPE_BEACON, */
a11241fa
JB		 2430 };
2431 unsigned int i;
2432
2433 if (nl80211_alloc_mgmt_handle(bss))
71269b37 2434 return -1;
36488c05
JM		 2435 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2436 "handle %p", bss->nl_mgmt);
71269b37 2437
e7ecab4a 2438 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 2439 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 2440 (WLAN_FC_TYPE_MGMT << 2) |
2441 (stypes[i] << 4),
2442 NULL, 0) < 0) {
2443 goto out_err;
2444 }
2445 }
2446
4d916ed6
KV		 2447 if (nl80211_action_subscribe_ap(bss))
2448 goto out_err;
2449
02bb32c3
JB		 2450 if (nl80211_register_spurious_class3(bss))
2451 goto out_err;
2452
5f65e9f7 2453 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 2454 return 0;
a11241fa
JB		 2455
2456out_err:
a11241fa
JB		 2457 nl_destroy_handles(&bss->nl_mgmt);
2458 return -1;
2459}
2460
2461
a6cc0602
JM		 2462static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2463{
2464 if (nl80211_alloc_mgmt_handle(bss))
2465 return -1;
2466 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2467 "handle %p (device SME)", bss->nl_mgmt);
2468
4d916ed6 2469 if (nl80211_action_subscribe_ap(bss))
a6cc0602
JM		 2470 goto out_err;
2471
236e793e
SD		 2472 if (bss->drv->device_ap_sme) {
2473 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2474
2475 /* Register for all Authentication frames */
2476 if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0)
2477 < 0)
2478 wpa_printf(MSG_DEBUG,
2479 "nl80211: Failed to subscribe to handle Authentication frames - SAE offload may not work");
2480 }
2481
5f65e9f7 2482 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 2483 return 0;
2484
2485out_err:
a6cc0602
JM		 2486 nl_destroy_handles(&bss->nl_mgmt);
2487 return -1;
2488}
2489
2490
36488c05 2491static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 2492{
481234cf 2493 if (bss->nl_mgmt == NULL)
a11241fa 2494 return;
36488c05
JM		 2495 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2496 "(%s)", bss->nl_mgmt, reason);
40a68f33 2497 nl80211_destroy_eloop_handle(&bss->nl_mgmt, 0);
7813b7c3
MH		 2498
2499 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 2500}
2501
2502
8401a6b0
JM		 2503static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2504{
2505 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2506}
2507
2508
eb4582f2
AS		 2509static void nl80211_del_p2pdev(struct i802_bss *bss)
2510{
eb4582f2
AS		 2511 struct nl_msg *msg;
2512 int ret;
2513
a3249fdf
JM		 2514 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2515 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
eb4582f2
AS		 2516
2517 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2518 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2519 strerror(-ret));
eb4582f2
AS		 2520}
2521
2522
eb4582f2 2523static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483 2524{
f632e483 2525 struct nl_msg *msg;
a862e4a3 2526 int ret;
f632e483 2527
a3249fdf
JM		 2528 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2529 NL80211_CMD_STOP_P2P_DEVICE);
2530 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
f632e483 2531
eb4582f2
AS		 2532 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2533 start ? "Start" : "Stop",
2534 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2535 strerror(-ret));
f632e483
AS		 2536 return ret;
2537}
f632e483
AS		 2538
2539
91724d6f
AS		 2540static int i802_set_iface_flags(struct i802_bss *bss, int up)
2541{
2542 enum nl80211_iftype nlmode;
2543
2544 nlmode = nl80211_get_ifmode(bss);
2545 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2546 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2547 bss->ifname, up);
2548 }
2549
2550 /* P2P Device has start/stop which is equivalent */
2551 return nl80211_set_p2pdev(bss, up);
2552}
2553
2554
1db718b3
JM		 2555#ifdef CONFIG_TESTING_OPTIONS
2556static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2557{
2558 /* struct wpa_driver_nl80211_data *drv = arg; */
2559 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2560 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2561
2562
2563 wpa_printf(MSG_DEBUG,
2564 "nl80211: QCA vendor test command response received");
2565
2566 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2567 genlmsg_attrlen(gnlh, 0), NULL);
2568 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2569 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2570 return NL_SKIP;
2571 }
2572
2573 wpa_hexdump(MSG_DEBUG,
2574 "nl80211: Received QCA vendor test command response",
2575 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2576 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2577
2578 return NL_SKIP;
2579}
2580#endif /* CONFIG_TESTING_OPTIONS */
2581
2582
2583static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2584{
2585#ifdef CONFIG_TESTING_OPTIONS
2586 struct nl_msg *msg;
2587 struct nlattr *params;
2588 int ret;
2589
2590 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2591 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2592 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2593 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2594 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2595 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2596 nlmsg_free(msg);
2597 return;
2598 }
2599 nla_nest_end(msg, params);
2600
2601 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2602 wpa_printf(MSG_DEBUG,
2603 "nl80211: QCA vendor test command returned %d (%s)",
2604 ret, strerror(-ret));
2605#endif /* CONFIG_TESTING_OPTIONS */
2606}
2607
2608
362f781e 2609static int
0d547d5f 2610wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 2611 const u8 *set_addr, int first,
2612 const char *driver_params)
7524cfb1 2613{
834ee56f 2614 struct i802_bss *bss = drv->first_bss;
8401a6b0 2615 int send_rfkill_event = 0;
0d547d5f 2616 enum nl80211_iftype nlmode;
a2e40bb6
FF		 2617
2618 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 2619 bss->ifindex = drv->ifindex;
2620 bss->wdev_id = drv->global->if_add_wdevid;
2621 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2622
60b13c20
IP		 2623 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2624 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 2625 drv->global->if_add_wdevid_set = 0;
2626
bf144cf6
AP		 2627 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2628 bss->static_ap = 1;
2629
ef3866ab
IP		 2630 if (first &&
2631 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2632 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2633 drv->start_iface_up = 1;
2634
f632e483
AS		 2635 if (wpa_driver_nl80211_capa(drv))
2636 return -1;
a87c9d96 2637
0ecff8d7
JM		 2638 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2639 return -1;
2640
5fbcb45d
AS		 2641 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2642 bss->ifname, drv->phyname);
2643
0d547d5f
JM		 2644 if (set_addr &&
2645 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2646 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2647 set_addr)))
2648 return -1;
2649
49b4b205
JM		 2650 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2651 drv->start_mode_ap = 1;
2652
bf144cf6 2653 if (drv->hostapd || bss->static_ap)
0d547d5f 2654 nlmode = NL80211_IFTYPE_AP;
4fe726e2
FF		 2655 else if (bss->if_dynamic ||
2656 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
8e12685c 2657 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 2658 else
2659 nlmode = NL80211_IFTYPE_STATION;
f632e483 2660
8e12685c 2661 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 2662 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 2663 return -1;
a87c9d96
JM		 2664 }
2665
8c06db70 2666 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 2667 nl80211_get_macaddr(bss);
f632e483 2668
0e92fb8f
JB		 2669 wpa_driver_nl80211_drv_init_rfkill(drv);
2670
8c06db70
MB		 2671 if (!rfkill_is_blocked(drv->rfkill)) {
2672 int ret = i802_set_iface_flags(bss, 1);
2673 if (ret) {
8401a6b0
JM		 2674 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2675 "interface '%s' UP", bss->ifname);
8c06db70 2676 return ret;
8401a6b0 2677 }
e8dc205f
AO		 2678
2679 if (is_p2p_net_interface(nlmode))
2680 nl80211_disable_11b_rates(bss->drv,
2681 bss->drv->ifindex, 1);
2682
8c06db70
MB		 2683 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2684 return ret;
2685 } else {
2686 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2687 "interface '%s' due to rfkill", bss->ifname);
6da504a1
IP		 2688 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2689 drv->if_disabled = 1;
2690
8c06db70 2691 send_rfkill_event = 1;
362f781e 2692 }
3f5285e8 2693
6da504a1 2694 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
0d547d5f
JM		 2695 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2696 1, IF_OPER_DORMANT);
362f781e 2697
6da504a1
IP		 2698 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2699 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2700 bss->addr))
2701 return -1;
2702 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2703 }
f2ed8023 2704
8401a6b0
JM		 2705 if (send_rfkill_event) {
2706 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2707 drv, drv->ctx);
2708 }
2709
1db718b3
JM		 2710 if (drv->vendor_cmd_test_avail)
2711 qca_vendor_test(drv);
2712
40a68f33
SD		 2713 nl80211_init_connect_handle(bss);
2714
362f781e 2715 return 0;
3f5285e8
JM		 2716}
2717
2718
a70cd0db 2719static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss)
8a27af5c
JM		 2720{
2721 struct nl_msg *msg;
a70cd0db 2722 struct wpa_driver_nl80211_data *drv = bss->drv;
8a27af5c 2723
08e55ebb
JM		 2724 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2725 drv->ifindex);
a70cd0db 2726 nl80211_put_wiphy_data_ap(bss);
9725b784 2727 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
8a27af5c 2728 return send_and_recv_msgs(drv, msg, NULL, NULL);
8a27af5c 2729}
8a27af5c
JM		 2730
2731
3f5285e8 2732/**
7e5ba1b9 2733 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 2734 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 2735 *
2736 * Shut down driver interface and processing of driver events. Free
2737 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2738 */
9ebce9c5 2739static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 2740{
a2e40bb6 2741 struct wpa_driver_nl80211_data *drv = bss->drv;
cc9a2575 2742 unsigned int i;
3f5285e8 2743
3e208481
JM		 2744 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2745 bss->ifname, drv->disabled_11b_rates);
2746
873d0fcf 2747 bss->in_deinit = 1;
32ab4855
JB		 2748 if (drv->data_tx_status)
2749 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 2750 if (drv->eapol_tx_sock >= 0)
2751 close(drv->eapol_tx_sock);
f10bfc9a 2752
481234cf 2753 if (bss->nl_preq)
5582a5d1 2754 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 2755 if (bss->added_if_into_bridge) {
c81eff1a
BG		 2756 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2757 bss->ifname) < 0)
94627f6c
JM		 2758 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2759 "interface %s from bridge %s: %s",
e17a2477 2760 bss->ifname, bss->brname, strerror(errno));
94627f6c 2761 }
c809756f
SM		 2762
2763 if (drv->rtnl_sk)
2764 nl80211_handle_destroy(drv->rtnl_sk);
2765
e17a2477 2766 if (bss->added_bridge) {
f2535da8
JM		 2767 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2768 0) < 0)
2769 wpa_printf(MSG_INFO,
2770 "nl80211: Could not set bridge %s down",
2771 bss->brname);
c81eff1a 2772 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 2773 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2774 "bridge %s: %s",
e17a2477 2775 bss->brname, strerror(errno));
94627f6c
JM		 2776 }
2777
460456f8 2778 nl80211_remove_monitor_interface(drv);
8a27af5c 2779
b1f625e0 2780 if (is_ap_interface(drv->nlmode))
a70cd0db 2781 wpa_driver_nl80211_del_beacon(bss);
0915d02c 2782
bbaf0837
JM		 2783 if (drv->eapol_sock >= 0) {
2784 eloop_unregister_read_sock(drv->eapol_sock);
2785 close(drv->eapol_sock);
2786 }
2787
2788 if (drv->if_indices != drv->default_if_indices)
2789 os_free(drv->if_indices);
3f5285e8 2790
b3af99d2 2791 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 2792 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2793
36d84860
BG		 2794 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2795 IF_OPER_UP);
e390df05 2796 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
8401a6b0 2797 rfkill_deinit(drv->rfkill);
3f5285e8 2798
bbaf0837
JM		 2799 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2800
146fa9b3
JM		 2801 if (!drv->start_iface_up)
2802 (void) i802_set_iface_flags(bss, 0);
fee354c7
JM		 2803
2804 if (drv->addr_changed) {
93da0498
JM		 2805 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2806 0) < 0) {
2807 wpa_printf(MSG_DEBUG,
2808 "nl80211: Could not set interface down to restore permanent MAC address");
2809 }
fee354c7
JM		 2810 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2811 drv->perm_addr) < 0) {
2812 wpa_printf(MSG_DEBUG,
2813 "nl80211: Could not restore permanent MAC address");
2814 }
2815 }
2816
8e12685c 2817 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 2818 if (!drv->hostapd || !drv->start_mode_ap)
2819 wpa_driver_nl80211_set_mode(bss,
2820 NL80211_IFTYPE_STATION);
b378c41f 2821 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 2822 } else {
2823 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 2824 nl80211_del_p2pdev(bss);
8e12685c 2825 }
3f5285e8 2826
40a68f33
SD		 2827 if (bss->nl_connect)
2828 nl80211_destroy_eloop_handle(&bss->nl_connect, 1);
2829
834ee56f 2830 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 2831
3812464c
JM		 2832 os_free(drv->filter_ssids);
2833
536fd62d
JM		 2834 os_free(drv->auth_ie);
2835
dac12351 2836 if (drv->in_interface_list)
f2ed8023
JM		 2837 dl_list_del(&drv->list);
2838
8cd6b7bc
JB		 2839 os_free(drv->extended_capa);
2840 os_free(drv->extended_capa_mask);
cc9a2575
KV		 2841 for (i = 0; i < drv->num_iface_ext_capa; i++) {
2842 os_free(drv->iface_ext_capa[i].ext_capa);
2843 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2844 }
834ee56f 2845 os_free(drv->first_bss);
3f5285e8
JM		 2846 os_free(drv);
2847}
2848
2849
de4ed4a8
JM		 2850static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2851{
2852 switch (alg) {
2853 case WPA_ALG_WEP:
2854 if (key_len == 5)
a042e39a
JM		 2855 return RSN_CIPHER_SUITE_WEP40;
2856 return RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2857 case WPA_ALG_TKIP:
a042e39a 2858 return RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2859 case WPA_ALG_CCMP:
a042e39a 2860 return RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2861 case WPA_ALG_GCMP:
a042e39a 2862 return RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2863 case WPA_ALG_CCMP_256:
a042e39a 2864 return RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2865 case WPA_ALG_GCMP_256:
a042e39a 2866 return RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2867 case WPA_ALG_IGTK:
a042e39a 2868 return RSN_CIPHER_SUITE_AES_128_CMAC;
de4ed4a8 2869 case WPA_ALG_BIP_GMAC_128:
a042e39a 2870 return RSN_CIPHER_SUITE_BIP_GMAC_128;
de4ed4a8 2871 case WPA_ALG_BIP_GMAC_256:
a042e39a 2872 return RSN_CIPHER_SUITE_BIP_GMAC_256;
de4ed4a8 2873 case WPA_ALG_BIP_CMAC_256:
a042e39a 2874 return RSN_CIPHER_SUITE_BIP_CMAC_256;
de4ed4a8 2875 case WPA_ALG_SMS4:
a042e39a 2876 return RSN_CIPHER_SUITE_SMS4;
de4ed4a8 2877 case WPA_ALG_KRK:
a042e39a 2878 return RSN_CIPHER_SUITE_KRK;
de4ed4a8
JM		 2879 case WPA_ALG_NONE:
2880 case WPA_ALG_PMK:
2881 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2882 alg);
2883 return 0;
2884 }
2885
2886 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2887 alg);
2888 return 0;
2889}
2890
2891
2892static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2893{
2894 switch (cipher) {
2895 case WPA_CIPHER_CCMP_256:
a042e39a 2896 return RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2897 case WPA_CIPHER_GCMP_256:
a042e39a 2898 return RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2899 case WPA_CIPHER_CCMP:
a042e39a 2900 return RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2901 case WPA_CIPHER_GCMP:
a042e39a 2902 return RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2903 case WPA_CIPHER_TKIP:
a042e39a 2904 return RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2905 case WPA_CIPHER_WEP104:
a042e39a 2906 return RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2907 case WPA_CIPHER_WEP40:
a042e39a 2908 return RSN_CIPHER_SUITE_WEP40;
ae6f9272 2909 case WPA_CIPHER_GTK_NOT_USED:
a042e39a 2910 return RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED;
de4ed4a8
JM		 2911 }
2912
2913 return 0;
2914}
2915
2916
2917static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2918 int max_suites)
2919{
2920 int num_suites = 0;
2921
2922 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
a042e39a 2923 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2924 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
a042e39a 2925 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2926 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
a042e39a 2927 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2928 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
a042e39a 2929 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2930 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
a042e39a 2931 suites[num_suites++] = RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2932 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
a042e39a 2933 suites[num_suites++] = RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2934 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
a042e39a 2935 suites[num_suites++] = RSN_CIPHER_SUITE_WEP40;
de4ed4a8
JM		 2936
2937 return num_suites;
2938}
2939
2940
b658547d 2941#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 2942static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2943 const u8 *key, size_t key_len)
2944{
2945 struct nl_msg *msg;
a862e4a3 2946 int ret;
b41f2684 2947
15badebd 2948 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
b41f2684
CL		 2949 return 0;
2950
9725b784 2951 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 2952 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2953 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2954 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2955 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
bbd89bfc 2956 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 2957 nlmsg_free(msg);
2958 return -1;
2959 }
bbd89bfc 2960 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
b41f2684
CL		 2961 if (ret) {
2962 wpa_printf(MSG_DEBUG,
2963 "nl80211: Key management set key failed: ret=%d (%s)",
2964 ret, strerror(-ret));
2965 }
2966
b41f2684
CL		 2967 return ret;
2968}
b658547d 2969#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684
CL		 2970
2971
05fc7c68
AS		 2972static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv,
2973 const u8 *key, size_t key_len,
2974 const u8 *addr)
2975{
2976 struct nl_msg *msg = NULL;
2977 int ret;
2978
2979 /*
2980 * If the authenticator address is not set, assume it is
2981 * the current BSSID.
2982 */
2983 if (!addr && drv->associated)
2984 addr = drv->bssid;
2985 else if (!addr)
2986 return -1;
2987
2988 wpa_printf(MSG_DEBUG, "nl80211: Set PMK to the driver for " MACSTR,
2989 MAC2STR(addr));
2990 wpa_hexdump_key(MSG_DEBUG, "nl80211: PMK", key, key_len);
2991 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_PMK);
2992 if (!msg ||
2993 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2994 nla_put(msg, NL80211_ATTR_PMK, key_len, key)) {
2995 nl80211_nlmsg_clear(msg);
2996 nlmsg_free(msg);
2997 return -ENOBUFS;
2998 }
2999
3000 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
3001 if (ret) {
3002 wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)",
3003 ret, strerror(-ret));
3004 }
3005
3006 return ret;
3007}
3008
3009
9ebce9c5 3010static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 3011 enum wpa_alg alg, const u8 *addr,
3012 int key_idx, int set_tx,
642187d6
JM		 3013 const u8 *seq, size_t seq_len,
3014 const u8 *key, size_t key_len)
3f5285e8 3015{
a2e40bb6 3016 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 3017 int ifindex;
34651767 3018 struct nl_msg *msg = NULL;
1ad1cdc2 3019 int ret;
dc01de8a 3020 int tdls = 0;
3f5285e8 3021
e472e1b4
AS		 3022 /* Ignore for P2P Device */
3023 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
3024 return 0;
3025
3026 ifindex = if_nametoindex(ifname);
8393e1a0 3027 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 3028 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 3029 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 3030 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 3031#ifdef CONFIG_TDLS
dc01de8a 3032 if (key_idx == -1) {
8c66e185 3033 key_idx = 0;
dc01de8a
JM		 3034 tdls = 1;
3035 }
8c66e185 3036#endif /* CONFIG_TDLS */
3f5285e8 3037
b658547d 3038#ifdef CONFIG_DRIVER_NL80211_QCA
15badebd
CL		 3039 if (alg == WPA_ALG_PMK &&
3040 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
b41f2684
CL		 3041 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
3042 __func__);
3043 ret = issue_key_mgmt_set_key(drv, key, key_len);
3044 return ret;
3045 }
b658547d 3046#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 3047
05fc7c68 3048 if (alg == WPA_ALG_PMK &&
436ee2fd 3049 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
05fc7c68
AS		 3050 return nl80211_set_pmk(drv, key, key_len, addr);
3051
3f5285e8 3052 if (alg == WPA_ALG_NONE) {
95376e1a
JM		 3053 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
3054 if (!msg)
3055 return -ENOBUFS;
3f5285e8 3056 } else {
34651767
JM		 3057 u32 suite;
3058
3059 suite = wpa_alg_to_cipher_suite(alg, key_len);
3060 if (!suite)
3061 goto fail;
95376e1a
JM		 3062 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
3063 if (!msg ||
a862e4a3 3064 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
34651767 3065 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
a862e4a3 3066 goto fail;
e6ef73f1 3067 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3f5285e8
JM		 3068 }
3069
e6ef73f1 3070 if (seq && seq_len) {
a862e4a3
JM		 3071 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
3072 goto fail;
e6ef73f1
JM		 3073 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
3074 }
1ad1cdc2 3075
0382097e 3076 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8 3077 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
a862e4a3
JM		 3078 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
3079 goto fail;
89c38e32
JM		 3080
3081 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
3082 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
a862e4a3
JM		 3083 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
3084 NL80211_KEYTYPE_GROUP))
3085 goto fail;
89c38e32 3086 }
60ea8187 3087 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 3088 struct nlattr *types;
3089
60ea8187 3090 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 3091
3092 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 3093 if (!types ||
3094 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
3095 goto fail;
8970bae8 3096 nla_nest_end(msg, types);
3f5285e8 3097 }
95376e1a 3098 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
a862e4a3 3099 goto fail;
3f5285e8 3100
bbd89bfc 3101 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
15664ad0 3102 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 3103 ret = 0;
3104 if (ret)
3105 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
3106 ret, strerror(-ret));
3f5285e8 3107
1ad1cdc2
JM		 3108 /*
3109 * If we failed or don't need to set the default TX key (below),
3110 * we're done here.
3111 */
dc01de8a 3112 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 3113 return ret;
b1f625e0 3114 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 3115 !is_broadcast_ether_addr(addr))
de12717a 3116 return ret;
3f5285e8 3117
95376e1a
JM		 3118 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
3119 if (!msg ||
a862e4a3 3120 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
86f9b1c7
JM		 3121 nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
3122 alg == WPA_ALG_BIP_GMAC_128 ||
3123 alg == WPA_ALG_BIP_GMAC_256 ||
3124 alg == WPA_ALG_BIP_CMAC_256) ?
a862e4a3
JM		 3125 NL80211_ATTR_KEY_DEFAULT_MGMT :
3126 NL80211_ATTR_KEY_DEFAULT))
3127 goto fail;
60ea8187 3128 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 3129 struct nlattr *types;
3130
3131 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 3132 if (!types ||
3133 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
3134 goto fail;
8970bae8 3135 nla_nest_end(msg, types);
60ea8187 3136 } else if (addr) {
8970bae8
JB		 3137 struct nlattr *types;
3138
3139 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 3140 if (!types ||
3141 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
3142 goto fail;
8970bae8 3143 nla_nest_end(msg, types);
60ea8187 3144 }
3f5285e8 3145
1ad1cdc2
JM		 3146 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3147 if (ret == -ENOENT)
3148 ret = 0;
3149 if (ret)
3150 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
3151 "err=%d %s)", ret, strerror(-ret));
3152 return ret;
3f5285e8 3153
a862e4a3 3154fail:
bbd89bfc 3155 nl80211_nlmsg_clear(msg);
5883168a 3156 nlmsg_free(msg);
6241fcb1 3157 return -ENOBUFS;
3f5285e8
JM		 3158}
3159
3160
71934751 3161static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 3162 int key_idx, int defkey,
3163 const u8 *seq, size_t seq_len,
3164 const u8 *key, size_t key_len)
3165{
3166 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
34651767
JM		 3167 u32 suite;
3168
0194fedb
JB		 3169 if (!key_attr)
3170 return -1;
3171
34651767
JM		 3172 suite = wpa_alg_to_cipher_suite(alg, key_len);
3173 if (!suite)
3174 return -1;
3175
a862e4a3
JM		 3176 if (defkey && alg == WPA_ALG_IGTK) {
3177 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
3178 return -1;
3179 } else if (defkey) {
3180 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
3181 return -1;
3182 }
0194fedb 3183
a862e4a3 3184 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
34651767 3185 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
a862e4a3
JM		 3186 (seq && seq_len &&
3187 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
3188 nla_put(msg, NL80211_KEY_DATA, key_len, key))
3189 return -1;
0194fedb
JB		 3190
3191 nla_nest_end(msg, key_attr);
3192
3193 return 0;
0194fedb
JB		 3194}
3195
c811d5bc 3196
cfaab580
ZY		 3197static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
3198 struct nl_msg *msg)
3199{
3200 int i, privacy = 0;
3201 struct nlattr *nl_keys, *nl_key;
3202
3203 for (i = 0; i < 4; i++) {
3204 if (!params->wep_key[i])
3205 continue;
3206 privacy = 1;
3207 break;
3208 }
ce04af5a
JM		 3209 if (params->wps == WPS_MODE_PRIVACY)
3210 privacy = 1;
3211 if (params->pairwise_suite &&
3212 params->pairwise_suite != WPA_CIPHER_NONE)
3213 privacy = 1;
3214
cfaab580
ZY		 3215 if (!privacy)
3216 return 0;
3217
a862e4a3
JM		 3218 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3219 return -ENOBUFS;
cfaab580
ZY		 3220
3221 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
3222 if (!nl_keys)
a862e4a3 3223 return -ENOBUFS;
cfaab580
ZY		 3224
3225 for (i = 0; i < 4; i++) {
3226 if (!params->wep_key[i])
3227 continue;
3228
3229 nl_key = nla_nest_start(msg, i);
a862e4a3
JM		 3230 if (!nl_key ||
3231 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3232 params->wep_key[i]) ||
3233 nla_put_u32(msg, NL80211_KEY_CIPHER,
3234 params->wep_key_len[i] == 5 ?
a042e39a
JM		 3235 RSN_CIPHER_SUITE_WEP40 :
3236 RSN_CIPHER_SUITE_WEP104) ||
a862e4a3
JM		 3237 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3238 (i == params->wep_tx_keyidx &&
3239 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3240 return -ENOBUFS;
cfaab580
ZY		 3241
3242 nla_nest_end(msg, nl_key);
3243 }
3244 nla_nest_end(msg, nl_keys);
3245
3246 return 0;
cfaab580
ZY		 3247}
3248
3249
477af8f8
JM		 3250int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3251 const u8 *addr, int cmd, u16 reason_code,
10d32e2c
CI		 3252 int local_state_change,
3253 struct nl_handle *nl_connect)
c2a04078 3254{
a862e4a3 3255 int ret;
c2a04078
JM		 3256 struct nl_msg *msg;
3257
9725b784 3258 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM		 3259 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3260 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3261 (local_state_change &&
3262 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3263 nlmsg_free(msg);
3264 return -1;
3265 }
c2a04078 3266
10d32e2c
CI		 3267 if (nl_connect)
3268 ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL);
3269 else
3270 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 3271 if (ret) {
3b7ea880
BG		 3272 wpa_dbg(drv->ctx, MSG_DEBUG,
3273 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3274 reason_code, ret, strerror(-ret));
c2a04078 3275 }
c2a04078
JM		 3276 return ret;
3277}
3f5285e8
JM		 3278
3279
cfaab580 3280static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
4be17ffb 3281 u16 reason_code,
10d32e2c 3282 struct nl_handle *nl_connect)
cfaab580 3283{
3f53c006 3284 int ret;
b898b655 3285 int drv_associated = drv->associated;
3f53c006 3286
817762d9 3287 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 3288 nl80211_mark_disconnected(drv);
817762d9 3289 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006 3290 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
10d32e2c 3291 reason_code, 0, nl_connect);
3f53c006
JJ		 3292 /*
3293 * For locally generated disconnect, supplicant already generates a
3294 * DEAUTH event, so ignore the event from NL80211.
3295 */
b898b655 3296 drv->ignore_next_local_disconnect = drv_associated && (ret == 0);
3f53c006
JJ		 3297
3298 return ret;
cfaab580
ZY		 3299}
3300
3301
9ebce9c5 3302static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
4be17ffb 3303 const u8 *addr, u16 reason_code)
3f5285e8 3304{
a2e40bb6 3305 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 3306 int ret;
b898b655 3307 int drv_associated = drv->associated;
9392c9be
AS		 3308
3309 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3310 nl80211_mark_disconnected(drv);
666e508c 3311 return nl80211_leave_ibss(drv, 1);
9392c9be 3312 }
10d32e2c
CI		 3313 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
3314 struct nl_handle *nl_connect = NULL;
3315
3316 if (bss->use_nl_connect)
3317 nl_connect = bss->nl_connect;
3318 return wpa_driver_nl80211_disconnect(drv, reason_code,
3319 nl_connect);
3320 }
2e75a2b3
JM		 3321 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3322 __func__, MAC2STR(addr), reason_code);
add9b7a4 3323 nl80211_mark_disconnected(drv);
d6a36f39 3324 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
10d32e2c 3325 reason_code, 0, NULL);
d6a36f39
JM		 3326 /*
3327 * For locally generated deauthenticate, supplicant already generates a
3328 * DEAUTH event, so ignore the event from NL80211.
3329 */
b898b655
HW		 3330 drv->ignore_next_local_deauth = drv_associated && (ret == 0);
3331
d6a36f39 3332 return ret;
3f5285e8
JM		 3333}
3334
3335
536fd62d
JM		 3336static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3337 struct wpa_driver_auth_params *params)
3338{
3339 int i;
3340
3341 drv->auth_freq = params->freq;
3342 drv->auth_alg = params->auth_alg;
3343 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3344 drv->auth_local_state_change = params->local_state_change;
3345 drv->auth_p2p = params->p2p;
3346
3347 if (params->bssid)
3348 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3349 else
3350 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3351
3352 if (params->ssid) {
3353 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3354 drv->auth_ssid_len = params->ssid_len;
3355 } else
3356 drv->auth_ssid_len = 0;
3357
3358
3359 os_free(drv->auth_ie);
3360 drv->auth_ie = NULL;
3361 drv->auth_ie_len = 0;
3362 if (params->ie) {
3363 drv->auth_ie = os_malloc(params->ie_len);
3364 if (drv->auth_ie) {
3365 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3366 drv->auth_ie_len = params->ie_len;
3367 }
3368 }
3369
3370 for (i = 0; i < 4; i++) {
3371 if (params->wep_key[i] && params->wep_key_len[i] &&
3372 params->wep_key_len[i] <= 16) {
3373 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3374 params->wep_key_len[i]);
3375 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3376 } else
3377 drv->auth_wep_key_len[i] = 0;
3378 }
3379}
3380
3381
4bd71954
JM		 3382static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3383{
3384 struct wpa_driver_nl80211_data *drv = bss->drv;
3385
3386 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3387 return;
3388
3389 /*
3390 * Looks like we failed to unmask 11b rates previously. This could
3391 * happen, e.g., if the interface was down at the point in time when a
3392 * P2P group was terminated.
3393 */
3394 wpa_printf(MSG_DEBUG,
3395 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3396 bss->ifname);
3397 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3398}
3399
3400
3c67e977
VK		 3401static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3402{
3403 if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3404 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3405 if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3406 return NL80211_AUTHTYPE_SHARED_KEY;
3407 if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3408 return NL80211_AUTHTYPE_NETWORK_EAP;
3409 if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3410 return NL80211_AUTHTYPE_FT;
3411 if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3412 return NL80211_AUTHTYPE_SAE;
3413 if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3414 return NL80211_AUTHTYPE_FILS_SK;
3415 if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3416 return NL80211_AUTHTYPE_FILS_SK_PFS;
3417
3418 return NL80211_AUTHTYPE_MAX;
3419}
3420
3421
c2a04078 3422static int wpa_driver_nl80211_authenticate(
9ebce9c5 3423 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 3424{
a2e40bb6 3425 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 3426 int ret = -1, i;
c2a04078
JM		 3427 struct nl_msg *msg;
3428 enum nl80211_auth_type type;
2f4f73b1 3429 enum nl80211_iftype nlmode;
6d6f4bb8 3430 int count = 0;
536fd62d
JM		 3431 int is_retry;
3432
4bd71954
JM		 3433 nl80211_unmask_11b_rates(bss);
3434
536fd62d
JM		 3435 is_retry = drv->retry_auth;
3436 drv->retry_auth = 0;
e8d70a73 3437 drv->ignore_deauth_event = 0;
c2a04078 3438
add9b7a4 3439 nl80211_mark_disconnected(drv);
e6b8efeb 3440 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 3441 if (params->bssid)
3442 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3443 else
3444 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 3445 /* FIX: IBSS mode */
2f4f73b1
EP		 3446 nlmode = params->p2p ?
3447 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3448 if (drv->nlmode != nlmode &&
9ebce9c5 3449 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 3450 return -1;
3451
6d6f4bb8 3452retry:
c2a04078
JM		 3453 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3454 drv->ifindex);
a0b2f99b 3455
9725b784
JM		 3456 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3457 if (!msg)
3458 goto fail;
0194fedb 3459
a0b2f99b
JM		 3460 for (i = 0; i < 4; i++) {
3461 if (!params->wep_key[i])
3462 continue;
9ebce9c5 3463 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 3464 NULL, i,
a0b2f99b
JM		 3465 i == params->wep_tx_keyidx, NULL, 0,
3466 params->wep_key[i],
3467 params->wep_key_len[i]);
0194fedb
JB		 3468 if (params->wep_tx_keyidx != i)
3469 continue;
3470 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM		 3471 params->wep_key[i], params->wep_key_len[i]))
3472 goto fail;
a0b2f99b
JM		 3473 }
3474
c2a04078
JM		 3475 if (params->bssid) {
3476 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3477 MAC2STR(params->bssid));
a862e4a3
JM		 3478 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3479 goto fail;
c2a04078
JM		 3480 }
3481 if (params->freq) {
3482 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 3483 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3484 goto fail;
c2a04078
JM		 3485 }
3486 if (params->ssid) {
21cd8f83
JM		 3487 wpa_printf(MSG_DEBUG, " * SSID=%s",
3488 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 3489 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3490 params->ssid))
3491 goto fail;
c2a04078
JM		 3492 }
3493 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM		 3494 if (params->ie &&
3495 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3496 goto fail;
ce16c489
JM		 3497 if (params->auth_data) {
3498 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
3499 params->auth_data_len);
3500 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
3501 params->auth_data))
a862e4a3 3502 goto fail;
569fed90 3503 }
3c67e977 3504 type = get_nl_auth_type(params->auth_alg);
c2a04078 3505 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 3506 if (type == NL80211_AUTHTYPE_MAX ||
3507 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 3508 goto fail;
77339912
JM		 3509 if (params->local_state_change) {
3510 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM		 3511 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3512 goto fail;
77339912 3513 }
c2a04078
JM		 3514
3515 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3516 msg = NULL;
3517 if (ret) {
3b7ea880 3518 wpa_dbg(drv->ctx, MSG_DEBUG,
f875da04
BG		 3519 "nl80211: MLME command failed (auth): count=%d ret=%d (%s)",
3520 count, ret, strerror(-ret));
6d6f4bb8 3521 count++;
f875da04
BG		 3522 if ((ret == -EALREADY || ret == -EEXIST) && count == 1 &&
3523 params->bssid && !params->local_state_change) {
6d6f4bb8
JM		 3524 /*
3525 * mac80211 does not currently accept new
3526 * authentication if we are already authenticated. As a
3527 * workaround, force deauthentication and try again.
3528 */
3529 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3530 "after forced deauthentication");
e8d70a73 3531 drv->ignore_deauth_event = 1;
6d6f4bb8 3532 wpa_driver_nl80211_deauthenticate(
5205c4f9 3533 bss, params->bssid,
6d6f4bb8
JM		 3534 WLAN_REASON_PREV_AUTH_NOT_VALID);
3535 nlmsg_free(msg);
3536 goto retry;
3537 }
536fd62d
JM		 3538
3539 if (ret == -ENOENT && params->freq && !is_retry) {
3540 /*
3541 * cfg80211 has likely expired the BSS entry even
3542 * though it was previously available in our internal
3543 * BSS table. To recover quickly, start a single
3544 * channel scan on the specified channel.
3545 */
3546 struct wpa_driver_scan_params scan;
3547 int freqs[2];
3548
3549 os_memset(&scan, 0, sizeof(scan));
3550 scan.num_ssids = 1;
3551 if (params->ssid) {
3552 scan.ssids[0].ssid = params->ssid;
3553 scan.ssids[0].ssid_len = params->ssid_len;
3554 }
3555 freqs[0] = params->freq;
3556 freqs[1] = 0;
3557 scan.freqs = freqs;
3558 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3559 "channel scan to refresh cfg80211 BSS "
3560 "entry");
3561 ret = wpa_driver_nl80211_scan(bss, &scan);
3562 if (ret == 0) {
3563 nl80211_copy_auth_params(drv, params);
3564 drv->scan_for_auth = 1;
3565 }
8c3ba078
JM		 3566 } else if (is_retry) {
3567 /*
3568 * Need to indicate this with an event since the return
3569 * value from the retry is not delivered to core code.
3570 */
3571 union wpa_event_data event;
3572 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3573 "failed");
3574 os_memset(&event, 0, sizeof(event));
3575 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3576 ETH_ALEN);
3577 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3578 &event);
536fd62d 3579 }
a862e4a3
JM		 3580 } else {
3581 wpa_printf(MSG_DEBUG,
3582 "nl80211: Authentication request send successfully");
c2a04078 3583 }
c2a04078 3584
a862e4a3 3585fail:
c2a04078
JM		 3586 nlmsg_free(msg);
3587 return ret;
3588}
3589
3590
f3407c66 3591int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM		 3592{
3593 struct wpa_driver_auth_params params;
834ee56f 3594 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 3595 int i;
3596
3597 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3598
3599 os_memset(&params, 0, sizeof(params));
3600 params.freq = drv->auth_freq;
3601 params.auth_alg = drv->auth_alg;
3602 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3603 params.local_state_change = drv->auth_local_state_change;
3604 params.p2p = drv->auth_p2p;
3605
3606 if (!is_zero_ether_addr(drv->auth_bssid_))
3607 params.bssid = drv->auth_bssid_;
3608
3609 if (drv->auth_ssid_len) {
3610 params.ssid = drv->auth_ssid;
3611 params.ssid_len = drv->auth_ssid_len;
3612 }
3613
3614 params.ie = drv->auth_ie;
3615 params.ie_len = drv->auth_ie_len;
3616
3617 for (i = 0; i < 4; i++) {
3618 if (drv->auth_wep_key_len[i]) {
3619 params.wep_key[i] = drv->auth_wep_key[i];
3620 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3621 }
3622 }
3623
3624 drv->retry_auth = 1;
3625 return wpa_driver_nl80211_authenticate(bss, &params);
3626}
3627
3628
a11241fa
JB		 3629static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3630 const void *data, size_t len,
55231068
JM		 3631 int encrypt, int noack,
3632 unsigned int freq, int no_cck,
2d3943ce
AO		 3633 int offchanok, unsigned int wait_time,
3634 const u16 *csa_offs,
3635 size_t csa_offs_len)
a11241fa
JB		 3636{
3637 struct wpa_driver_nl80211_data *drv = bss->drv;
3638 u64 cookie;
41cc50d1 3639 int res;
a11241fa 3640
c7caac56
JM		 3641 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3642 freq = nl80211_get_assoc_freq(drv);
3643 wpa_printf(MSG_DEBUG,
3644 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3645 freq);
3646 }
af964484
JM		 3647 if (freq == 0) {
3648 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3649 bss->freq);
55231068 3650 freq = bss->freq;
af964484 3651 }
55231068 3652
739faee2 3653 if (drv->use_monitor) {
981cf85a 3654 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
739faee2 3655 freq, bss->freq);
981cf85a 3656 return nl80211_send_monitor(drv, data, len, encrypt, noack);
739faee2 3657 }
a11241fa 3658
739faee2 3659 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1 3660 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
2d3943ce
AO		 3661 &cookie, no_cck, noack, offchanok,
3662 csa_offs, csa_offs_len);
41cc50d1
JM		 3663 if (res == 0 && !noack) {
3664 const struct ieee80211_mgmt *mgmt;
3665 u16 fc;
3666
3667 mgmt = (const struct ieee80211_mgmt *) data;
3668 fc = le_to_host16(mgmt->frame_control);
3669 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3670 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3671 wpa_printf(MSG_MSGDUMP,
3672 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3673 (long long unsigned int)
3674 drv->send_action_cookie,
3675 (long long unsigned int) cookie);
3676 drv->send_action_cookie = cookie;
3677 }
3678 }
3679
3680 return res;
a11241fa
JB		 3681}
3682
3683
9ebce9c5
JM		 3684static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3685 size_t data_len, int noack,
3686 unsigned int freq, int no_cck,
3687 int offchanok,
2d3943ce
AO		 3688 unsigned int wait_time,
3689 const u16 *csa_offs,
3690 size_t csa_offs_len)
2c2010ac 3691{
a2e40bb6 3692 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 3693 struct ieee80211_mgmt *mgmt;
7a47d567 3694 int encrypt = 1;
2c2010ac
JM		 3695 u16 fc;
3696
3697 mgmt = (struct ieee80211_mgmt *) data;
3698 fc = le_to_host16(mgmt->frame_control);
f95a4524
PF		 3699 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3700 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3701 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3702 fc, fc2str(fc), drv->nlmode);
2c2010ac 3703
8e12685c
AS		 3704 if ((is_sta_interface(drv->nlmode) ||
3705 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 3706 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3707 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3708 /*
3709 * The use of last_mgmt_freq is a bit of a hack,
3710 * but it works due to the single-threaded nature
3711 * of wpa_supplicant.
3712 */
af964484
JM		 3713 if (freq == 0) {
3714 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3715 drv->last_mgmt_freq);
55231068 3716 freq = drv->last_mgmt_freq;
af964484 3717 }
55231068 3718 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7 3719 data, data_len, NULL, 1, noack,
2d3943ce 3720 1, csa_offs, csa_offs_len);
5582a5d1
JB		 3721 }
3722
61cbe2ff 3723 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 3724 if (freq == 0) {
3725 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3726 bss->freq);
55231068 3727 freq = bss->freq;
af964484 3728 }
b5671498
JM		 3729 return nl80211_send_frame_cmd(bss, freq,
3730 (int) freq == bss->freq ? 0 :
3731 wait_time,
d8d6b32e
DG		 3732 data, data_len,
3733 &drv->send_action_cookie,
2d3943ce
AO		 3734 no_cck, noack, offchanok,
3735 csa_offs, csa_offs_len);
86957e62
JM		 3736 }
3737
2c2010ac
JM		 3738 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3739 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3740 /*
3741 * Only one of the authentication frame types is encrypted.
3742 * In order for static WEP encryption to work properly (i.e.,
3743 * to not encrypt the frame), we need to tell mac80211 about
3744 * the frames that must not be encrypted.
3745 */
3746 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3747 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 3748 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3749 encrypt = 0;
2c2010ac
JM		 3750 }
3751
739faee2 3752 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 3753 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068 3754 noack, freq, no_cck, offchanok,
2d3943ce
AO		 3755 wait_time, csa_offs,
3756 csa_offs_len);
55231068
JM		 3757}
3758
3759
cae87abd
JM		 3760static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3761{
3762 u8 rates[NL80211_MAX_SUPP_RATES];
3763 u8 rates_len = 0;
3764 int i;
3765
3766 if (!basic_rates)
3767 return 0;
3768
3769 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3770 rates[rates_len++] = basic_rates[i] / 5;
3771
3772 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3773}
3774
3775
31357268 3776static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47 3777 int slot, int ht_opmode, int ap_isolate,
cae87abd 3778 const int *basic_rates)
31357268
JM		 3779{
3780 struct wpa_driver_nl80211_data *drv = bss->drv;
3781 struct nl_msg *msg;
3782
13f83980 3783 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM		 3784 (cts >= 0 &&
3785 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3786 (preamble >= 0 &&
3787 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3788 (slot >= 0 &&
3789 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3790 (ht_opmode >= 0 &&
3791 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3792 (ap_isolate >= 0 &&
cae87abd
JM		 3793 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3794 nl80211_put_basic_rates(msg, basic_rates)) {
3795 nlmsg_free(msg);
3796 return -ENOBUFS;
e5693c47
JM		 3797 }
3798
31357268 3799 return send_and_recv_msgs(drv, msg, NULL, NULL);
31357268
JM		 3800}
3801
3802
3c4ca363
VN		 3803static int wpa_driver_nl80211_set_acl(void *priv,
3804 struct hostapd_acl_params *params)
3805{
3806 struct i802_bss *bss = priv;
3807 struct wpa_driver_nl80211_data *drv = bss->drv;
3808 struct nl_msg *msg;
f429ec44 3809 struct nl_msg *acl;
3c4ca363 3810 unsigned int i;
a862e4a3 3811 int ret;
3c4ca363
VN		 3812
3813 if (!(drv->capa.max_acl_mac_addrs))
3814 return -ENOTSUP;
3815
3816 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3817 return -ENOTSUP;
3818
3c4ca363
VN		 3819 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3820 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3821
f429ec44
JM		 3822 acl = nlmsg_alloc();
3823 if (!acl)
3824 return -ENOMEM;
3825 for (i = 0; i < params->num_mac_acl; i++) {
3826 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3827 nlmsg_free(acl);
3828 return -ENOMEM;
3829 }
3830 }
3831
9725b784 3832 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM		 3833 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3834 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3835 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
f429ec44 3836 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
a862e4a3 3837 nlmsg_free(msg);
f429ec44 3838 nlmsg_free(acl);
a862e4a3
JM		 3839 return -ENOMEM;
3840 }
f429ec44 3841 nlmsg_free(acl);
3c4ca363
VN		 3842
3843 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN		 3844 if (ret) {
3845 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3846 ret, strerror(-ret));
3847 }
3848
3c4ca363
VN		 3849 return ret;
3850}
3851
3852
85e1fad8
JM		 3853static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3854{
3855 if (beacon_int > 0) {
3856 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3857 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3858 beacon_int);
3859 }
3860
3861 return 0;
3862}
3863
3864
4ac2ea57
MH		 3865static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3866{
3867 if (dtim_period > 0) {
3868 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3869 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3870 }
3871
3872 return 0;
3873}
3874
3875
052b8d38
MH		 3876#ifdef CONFIG_MESH
3877static int nl80211_set_mesh_config(void *priv,
3878 struct wpa_driver_mesh_bss_params *params)
3879{
3880 struct i802_bss *bss = priv;
3881 struct wpa_driver_nl80211_data *drv = bss->drv;
3882 struct nl_msg *msg;
3883 int ret;
3884
3885 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3886 if (!msg)
3887 return -1;
3888
3889 ret = nl80211_put_mesh_config(msg, params);
3890 if (ret < 0) {
3891 nlmsg_free(msg);
3892 return ret;
3893 }
3894
3895 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3896 if (ret) {
3897 wpa_printf(MSG_ERROR,
3898 "nl80211: Mesh config set failed: %d (%s)",
3899 ret, strerror(-ret));
3900 return ret;
3901 }
3902 return 0;
3903}
3904#endif /* CONFIG_MESH */
3905
3906
d4f3003c
PK		 3907static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags,
3908 struct wpa_driver_ap_params *params)
3909{
3910 struct nlattr *bands, *band;
3911 struct nl80211_txrate_vht vht_rate;
3912
3913 if (!params->freq ||
3914 (params->beacon_rate == 0 &&
3915 params->rate_type == BEACON_RATE_LEGACY))
3916 return 0;
3917
3918 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
3919 if (!bands)
3920 return -1;
3921
3922 switch (params->freq->mode) {
3923 case HOSTAPD_MODE_IEEE80211B:
3924 case HOSTAPD_MODE_IEEE80211G:
3925 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
3926 break;
3927 case HOSTAPD_MODE_IEEE80211A:
3928 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
3929 break;
3930 case HOSTAPD_MODE_IEEE80211AD:
3931 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
3932 break;
3933 default:
3934 return 0;
3935 }
3936
3937 if (!band)
3938 return -1;
3939
3940 os_memset(&vht_rate, 0, sizeof(vht_rate));
3941
3942 switch (params->rate_type) {
3943 case BEACON_RATE_LEGACY:
3944 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
3945 wpa_printf(MSG_INFO,
3946 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
3947 return -1;
3948 }
3949
3950 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
3951 (u8) params->beacon_rate / 5) ||
3952 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
3953 (params->freq->vht_enabled &&
3954 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3955 &vht_rate)))
3956 return -1;
3957
3958 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
3959 params->beacon_rate);
3960 break;
3961 case BEACON_RATE_HT:
3962 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
3963 wpa_printf(MSG_INFO,
3964 "nl80211: Driver does not support setting Beacon frame rate (HT)");
3965 return -1;
3966 }
3967 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
3968 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
3969 (params->freq->vht_enabled &&
3970 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3971 &vht_rate)))
3972 return -1;
3973 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
3974 params->beacon_rate);
3975 break;
3976 case BEACON_RATE_VHT:
3977 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
3978 wpa_printf(MSG_INFO,
3979 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
3980 return -1;
3981 }
3982 vht_rate.mcs[0] = BIT(params->beacon_rate);
3983 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
3984 return -1;
3985 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
3986 return -1;
3987 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3988 &vht_rate))
3989 return -1;
3990 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
3991 params->beacon_rate);
3992 break;
3993 }
3994
3995 nla_nest_end(msg, band);
3996 nla_nest_end(msg, bands);
3997
3998 return 0;
3999}
4000
4001
34f7c699
MB		 4002static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
4003 int multicast_to_unicast)
4004{
4005 struct wpa_driver_nl80211_data *drv = bss->drv;
4006 struct nl_msg *msg;
4007 int ret;
4008
4009 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
4010 if (!msg ||
4011 (multicast_to_unicast &&
4012 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
4013 wpa_printf(MSG_ERROR,
4014 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
4015 bss->ifname);
4016 nlmsg_free(msg);
4017 return -ENOBUFS;
4018 }
4019
4020 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4021
4022 switch (ret) {
4023 case 0:
4024 wpa_printf(MSG_DEBUG,
4025 "nl80211: multicast to unicast %s on interface %s",
4026 multicast_to_unicast ? "enabled" : "disabled",
4027 bss->ifname);
4028 break;
4029 case -EOPNOTSUPP:
4030 if (!multicast_to_unicast)
4031 break;
4032 wpa_printf(MSG_INFO,
4033 "nl80211: multicast to unicast not supported on interface %s",
4034 bss->ifname);
4035 break;
4036 default:
4037 wpa_printf(MSG_ERROR,
4038 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
4039 multicast_to_unicast ? "enabling" : "disabling",
4040 ret, strerror(-ret), bss->ifname);
4041 break;
4042 }
4043
4044 return ret;
4045}
4046
4047
19c3b566
JM		 4048static int wpa_driver_nl80211_set_ap(void *priv,
4049 struct wpa_driver_ap_params *params)
d2440ba0 4050{
a2e40bb6
FF		 4051 struct i802_bss *bss = priv;
4052 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 4053 struct nl_msg *msg;
4054 u8 cmd = NL80211_CMD_NEW_BEACON;
5b82cdbe 4055 int ret = -ENOBUFS;
b4fd6fab 4056 int beacon_set;
b11d1d64 4057 int num_suites;
da1080d7 4058 int smps_mode;
de4ed4a8 4059 u32 suites[10], suite;
b11d1d64 4060 u32 ver;
052b8d38
MH		 4061#ifdef CONFIG_MESH
4062 struct wpa_driver_mesh_bss_params mesh_params;
4063#endif /* CONFIG_MESH */
b4fd6fab 4064
f33c8606 4065 beacon_set = params->reenable ? 0 : bss->beacon_set;
d2440ba0 4066
d2440ba0 4067 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 4068 beacon_set);
4069 if (beacon_set)
d2440ba0 4070 cmd = NL80211_CMD_SET_BEACON;
89fa633a
DL		 4071 else if (!drv->device_ap_sme && !drv->use_monitor &&
4072 !nl80211_get_wiphy_data_ap(bss))
a70cd0db 4073 return -ENOBUFS;
d2440ba0 4074
b92e08fc
JM		 4075 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
4076 params->head, params->head_len);
b92e08fc
JM		 4077 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
4078 params->tail, params->tail_len);
13f83980 4079 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 4080 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
d4f3003c
PK		 4081 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
4082 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
b92e08fc 4083 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
21cd8f83
JM		 4084 wpa_printf(MSG_DEBUG, "nl80211: ssid=%s",
4085 wpa_ssid_txt(params->ssid, params->ssid_len));
13f83980 4086 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 4087 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
4088 params->head) ||
4089 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
4090 params->tail) ||
85e1fad8 4091 nl80211_put_beacon_int(msg, params->beacon_int) ||
d4f3003c 4092 nl80211_put_beacon_rate(msg, drv->capa.flags, params) ||
4ac2ea57 4093 nl80211_put_dtim_period(msg, params->dtim_period) ||
a862e4a3
JM		 4094 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4095 goto fail;
b92e08fc
JM		 4096 if (params->proberesp && params->proberesp_len) {
4097 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
4098 params->proberesp, params->proberesp_len);
a862e4a3
JM		 4099 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
4100 params->proberesp))
4101 goto fail;
b92e08fc 4102 }
97a7a0b5
JM		 4103 switch (params->hide_ssid) {
4104 case NO_SSID_HIDING:
b92e08fc 4105 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM		 4106 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4107 NL80211_HIDDEN_SSID_NOT_IN_USE))
4108 goto fail;
97a7a0b5
JM		 4109 break;
4110 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 4111 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM		 4112 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4113 NL80211_HIDDEN_SSID_ZERO_LEN))
4114 goto fail;
97a7a0b5
JM		 4115 break;
4116 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 4117 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM		 4118 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4119 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
4120 goto fail;
97a7a0b5
JM		 4121 break;
4122 }
b92e08fc 4123 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM		 4124 if (params->privacy &&
4125 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
4126 goto fail;
b92e08fc 4127 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 4128 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
4129 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
4130 /* Leave out the attribute */
a862e4a3
JM		 4131 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
4132 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4133 NL80211_AUTHTYPE_SHARED_KEY))
4134 goto fail;
4135 } else {
4136 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4137 NL80211_AUTHTYPE_OPEN_SYSTEM))
4138 goto fail;
4139 }
b11d1d64 4140
b92e08fc 4141 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 4142 ver = 0;
4143 if (params->wpa_version & WPA_PROTO_WPA)
4144 ver |= NL80211_WPA_VERSION_1;
4145 if (params->wpa_version & WPA_PROTO_RSN)
4146 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM		 4147 if (ver &&
4148 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4149 goto fail;
b11d1d64 4150
b92e08fc
JM		 4151 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
4152 params->key_mgmt_suites);
b11d1d64
JM		 4153 num_suites = 0;
4154 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3aa24db9 4155 suites[num_suites++] = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
b11d1d64 4156 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3aa24db9 4157 suites[num_suites++] = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
a862e4a3
JM		 4158 if (num_suites &&
4159 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
4160 suites))
4161 goto fail;
b11d1d64 4162
533fe09b 4163 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
e3429c0b
JB		 4164 (!params->pairwise_ciphers ||
4165 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
4166 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
4167 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
a862e4a3 4168 goto fail;
9f12614b 4169
c8931afe
JM		 4170 if (drv->device_ap_sme &&
4171 (params->key_mgmt_suites & WPA_KEY_MGMT_SAE) &&
4172 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
4173 goto fail;
236e793e 4174
b92e08fc
JM		 4175 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
4176 params->pairwise_ciphers);
de4ed4a8
JM		 4177 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
4178 suites, ARRAY_SIZE(suites));
a862e4a3
JM		 4179 if (num_suites &&
4180 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4181 num_suites * sizeof(u32), suites))
4182 goto fail;
b11d1d64 4183
b92e08fc
JM		 4184 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
4185 params->group_cipher);
de4ed4a8 4186 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM		 4187 if (suite &&
4188 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
4189 goto fail;
d2440ba0 4190
ee298f1b
JM		 4191 if (params->ht_opmode != -1) {
4192 switch (params->smps_mode) {
4193 case HT_CAP_INFO_SMPS_DYNAMIC:
4194 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
4195 smps_mode = NL80211_SMPS_DYNAMIC;
4196 break;
4197 case HT_CAP_INFO_SMPS_STATIC:
4198 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
4199 smps_mode = NL80211_SMPS_STATIC;
4200 break;
4201 default:
4202 /* invalid - fallback to smps off */
4203 case HT_CAP_INFO_SMPS_DISABLED:
4204 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
4205 smps_mode = NL80211_SMPS_OFF;
4206 break;
4207 }
a2426829 4208 if (nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
ee298f1b 4209 goto fail;
da1080d7 4210 }
da1080d7 4211
fb91db56 4212 if (params->beacon_ies) {
b92e08fc
JM		 4213 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
4214 params->beacon_ies);
a862e4a3
JM		 4215 if (nla_put(msg, NL80211_ATTR_IE,
4216 wpabuf_len(params->beacon_ies),
4217 wpabuf_head(params->beacon_ies)))
4218 goto fail;
fb91db56
JM		 4219 }
4220 if (params->proberesp_ies) {
b92e08fc
JM		 4221 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
4222 params->proberesp_ies);
a862e4a3
JM		 4223 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
4224 wpabuf_len(params->proberesp_ies),
4225 wpabuf_head(params->proberesp_ies)))
4226 goto fail;
fb91db56
JM		 4227 }
4228 if (params->assocresp_ies) {
b92e08fc
JM		 4229 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
4230 params->assocresp_ies);
a862e4a3
JM		 4231 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
4232 wpabuf_len(params->assocresp_ies),
4233 wpabuf_head(params->assocresp_ies)))
4234 goto fail;
fb91db56
JM		 4235 }
4236
a0133ee1 4237 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 4238 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
4239 params->ap_max_inactivity);
a862e4a3
JM		 4240 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
4241 params->ap_max_inactivity))
4242 goto fail;
a0133ee1
VT		 4243 }
4244
abb8d08b
EP		 4245#ifdef CONFIG_P2P
4246 if (params->p2p_go_ctwindow > 0) {
4247 if (drv->p2p_go_ctwindow_supported) {
4248 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
4249 params->p2p_go_ctwindow);
4250 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
4251 params->p2p_go_ctwindow))
4252 goto fail;
4253 } else {
4254 wpa_printf(MSG_INFO,
4255 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
4256 }
4257 }
4258#endif /* CONFIG_P2P */
4259
86b5c400
LD		 4260 if (params->pbss) {
4261 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
4262 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4263 goto fail;
4264 }
4265
5b82cdbe
JB		 4266 if (params->ftm_responder) {
4267 struct nlattr *ftm;
4268
4269 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) {
4270 ret = -ENOTSUP;
4271 goto fail;
4272 }
4273
4274 ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER);
4275 if (!ftm ||
4276 nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) ||
4277 (params->lci &&
4278 nla_put(msg, NL80211_FTM_RESP_ATTR_LCI,
4279 wpabuf_len(params->lci),
4280 wpabuf_head(params->lci))) ||
4281 (params->civic &&
4282 nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC,
4283 wpabuf_len(params->civic),
4284 wpabuf_head(params->civic))))
4285 goto fail;
4286 nla_nest_end(msg, ftm);
4287 }
4288
d2440ba0
JM		 4289 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4290 if (ret) {
4291 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
4292 ret, strerror(-ret));
b4fd6fab 4293 } else {
b4fd6fab 4294 bss->beacon_set = 1;
31357268 4295 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 4296 params->short_slot_time, params->ht_opmode,
e5693c47 4297 params->isolate, params->basic_rates);
34f7c699
MB		 4298 nl80211_set_multicast_to_unicast(bss,
4299 params->multicast_to_unicast);
e87ef751
PX		 4300 if (beacon_set && params->freq &&
4301 params->freq->bandwidth != bss->bandwidth) {
4302 wpa_printf(MSG_DEBUG,
4303 "nl80211: Update BSS %s bandwidth: %d -> %d",
4304 bss->ifname, bss->bandwidth,
4305 params->freq->bandwidth);
4306 ret = nl80211_set_channel(bss, params->freq, 1);
4307 if (ret) {
4308 wpa_printf(MSG_DEBUG,
4309 "nl80211: Frequency set failed: %d (%s)",
4310 ret, strerror(-ret));
4311 } else {
4312 wpa_printf(MSG_DEBUG,
4313 "nl80211: Frequency set succeeded for ht2040 coex");
4314 bss->bandwidth = params->freq->bandwidth;
4315 }
f5728d0a 4316 } else if (!beacon_set && params->freq) {
e87ef751
PX		 4317 /*
4318 * cfg80211 updates the driver on frequence change in AP
4319 * mode only at the point when beaconing is started, so
4320 * set the initial value here.
4321 */
4322 bss->bandwidth = params->freq->bandwidth;
4323 }
b4fd6fab 4324 }
052b8d38
MH		 4325
4326#ifdef CONFIG_MESH
4327 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
4328 os_memset(&mesh_params, 0, sizeof(mesh_params));
4329 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
4330 mesh_params.ht_opmode = params->ht_opmode;
4331 ret = nl80211_set_mesh_config(priv, &mesh_params);
4332 if (ret < 0)
4333 return ret;
4334 }
4335#endif /* CONFIG_MESH */
4336
d2440ba0 4337 return ret;
a862e4a3 4338fail:
5883168a 4339 nlmsg_free(msg);
5b82cdbe 4340 return ret;
d2440ba0
JM		 4341}
4342
4343
1c4ffa87 4344static int nl80211_put_freq_params(struct nl_msg *msg,
72b2605f 4345 const struct hostapd_freq_params *freq)
1581b38b 4346{
1fc4ab23 4347 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
a862e4a3
JM		 4348 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4349 return -ENOBUFS;
4350
ad9a1bfe 4351 wpa_printf(MSG_DEBUG, " * he_enabled=%d", freq->he_enabled);
1fc4ab23
JM		 4352 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4353 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4354
ad9a1bfe 4355 if (freq->vht_enabled || freq->he_enabled) {
a862e4a3
JM		 4356 enum nl80211_chan_width cw;
4357
1fc4ab23 4358 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
89b800d7
JB		 4359 switch (freq->bandwidth) {
4360 case 20:
a862e4a3 4361 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB		 4362 break;
4363 case 40:
a862e4a3 4364 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB		 4365 break;
4366 case 80:
4367 if (freq->center_freq2)
a862e4a3 4368 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 4369 else
a862e4a3 4370 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB		 4371 break;
4372 case 160:
a862e4a3 4373 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB		 4374 break;
4375 default:
1c4ffa87 4376 return -EINVAL;
89b800d7 4377 }
a862e4a3 4378
1fc4ab23
JM		 4379 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4380 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4381 freq->center_freq1);
4382 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4383 freq->center_freq2);
a862e4a3
JM		 4384 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4385 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4386 freq->center_freq1) ||
4387 (freq->center_freq2 &&
4388 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
4389 freq->center_freq2)))
4390 return -ENOBUFS;
89b800d7 4391 } else if (freq->ht_enabled) {
a862e4a3
JM		 4392 enum nl80211_channel_type ct;
4393
1fc4ab23
JM		 4394 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4395 freq->sec_channel_offset);
89b800d7 4396 switch (freq->sec_channel_offset) {
f019981a 4397 case -1:
a862e4a3 4398 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM		 4399 break;
4400 case 1:
a862e4a3 4401 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM		 4402 break;
4403 default:
a862e4a3 4404 ct = NL80211_CHAN_HT20;
f019981a
JM		 4405 break;
4406 }
a862e4a3 4407
1fc4ab23 4408 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
a862e4a3
JM		 4409 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
4410 return -ENOBUFS;
3388e7b9
MH		 4411 } else {
4412 wpa_printf(MSG_DEBUG, " * channel_type=%d",
4413 NL80211_CHAN_NO_HT);
4414 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
4415 NL80211_CHAN_NO_HT))
4416 return -ENOBUFS;
f019981a 4417 }
1c4ffa87 4418 return 0;
1c4ffa87
AO		 4419}
4420
4421
e87ef751
PX		 4422static int nl80211_set_channel(struct i802_bss *bss,
4423 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 4424{
4425 struct wpa_driver_nl80211_data *drv = bss->drv;
4426 struct nl_msg *msg;
4427 int ret;
4428
4429 wpa_printf(MSG_DEBUG,
ad9a1bfe
JC		 4430 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
4431 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
1c4ffa87 4432 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 4433
9725b784
JM		 4434 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
4435 NL80211_CMD_SET_WIPHY);
4436 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM		 4437 nlmsg_free(msg);
4438 return -1;
4439 }
1581b38b 4440
d2440ba0 4441 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 4442 if (ret == 0) {
89b800d7 4443 bss->freq = freq->freq;
1581b38b 4444 return 0;
e4fb2167 4445 }
f019981a 4446 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 4447 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM		 4448 return -1;
4449}
4450
0f4e8b4f 4451
95ab6063
AN		 4452static u32 sta_flags_nl80211(int flags)
4453{
4454 u32 f = 0;
4455
4456 if (flags & WPA_STA_AUTHORIZED)
4457 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
4458 if (flags & WPA_STA_WMM)
4459 f |= BIT(NL80211_STA_FLAG_WME);
4460 if (flags & WPA_STA_SHORT_PREAMBLE)
4461 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
4462 if (flags & WPA_STA_MFP)
4463 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 4464 if (flags & WPA_STA_TDLS_PEER)
4465 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC		 4466 if (flags & WPA_STA_AUTHENTICATED)
4467 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
dc55b6b6
AB		 4468 if (flags & WPA_STA_ASSOCIATED)
4469 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
95ab6063
AN		 4470
4471 return f;
4472}
4473
4474
7c7e7877
BC		 4475#ifdef CONFIG_MESH
4476static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
4477{
4478 switch (state) {
d02e5498 4479 case PLINK_IDLE:
7c7e7877 4480 return NL80211_PLINK_LISTEN;
d02e5498 4481 case PLINK_OPN_SNT:
7c7e7877 4482 return NL80211_PLINK_OPN_SNT;
d02e5498 4483 case PLINK_OPN_RCVD:
7c7e7877
BC		 4484 return NL80211_PLINK_OPN_RCVD;
4485 case PLINK_CNF_RCVD:
4486 return NL80211_PLINK_CNF_RCVD;
4487 case PLINK_ESTAB:
4488 return NL80211_PLINK_ESTAB;
4489 case PLINK_HOLDING:
4490 return NL80211_PLINK_HOLDING;
4491 case PLINK_BLOCKED:
4492 return NL80211_PLINK_BLOCKED;
4493 default:
4494 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
4495 state);
4496 }
4497 return -1;
4498}
4499#endif /* CONFIG_MESH */
4500
4501
62847751 4502static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 4503 struct hostapd_sta_add_params *params)
4504{
a2e40bb6
FF		 4505 struct i802_bss *bss = priv;
4506 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 4507 struct nl_msg *msg;
95ab6063 4508 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 4509 int ret = -ENOBUFS;
4510
45b722f1
AN		 4511 if ((params->flags & WPA_STA_TDLS_PEER) &&
4512 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
4513 return -EOPNOTSUPP;
4514
e4dea253
JM		 4515 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
4516 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM		 4517 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
4518 NL80211_CMD_NEW_STATION);
4519 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 4520 goto fail;
5551bc9c 4521
dc55b6b6
AB		 4522 /*
4523 * Set the below properties only in one of the following cases:
4524 * 1. New station is added, already associated.
4525 * 2. Set WPA_STA_TDLS_PEER station.
4526 * 3. Set an already added unassociated station, if driver supports
4527 * full AP client state. (Set these properties after station became
4528 * associated will be rejected by the driver).
4529 */
4530 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4531 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4532 (params->flags & WPA_STA_ASSOCIATED))) {
5551bc9c
BC		 4533 wpa_hexdump(MSG_DEBUG, " * supported rates",
4534 params->supp_rates, params->supp_rates_len);
a862e4a3
JM		 4535 wpa_printf(MSG_DEBUG, " * capability=0x%x",
4536 params->capability);
4537 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
4538 params->supp_rates_len, params->supp_rates) ||
4539 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
4540 params->capability))
4541 goto fail;
e503861f
JM		 4542
4543 if (params->ht_capabilities) {
4544 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
4545 (u8 *) params->ht_capabilities,
4546 sizeof(*params->ht_capabilities));
a862e4a3
JM		 4547 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
4548 sizeof(*params->ht_capabilities),
4549 params->ht_capabilities))
4550 goto fail;
e503861f
JM		 4551 }
4552
4553 if (params->vht_capabilities) {
4554 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
4555 (u8 *) params->vht_capabilities,
4556 sizeof(*params->vht_capabilities));
a862e4a3
JM		 4557 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
4558 sizeof(*params->vht_capabilities),
4559 params->vht_capabilities))
4560 goto fail;
e503861f
JM		 4561 }
4562
59d9c3a1
JC		 4563 if (params->he_capab) {
4564 wpa_hexdump(MSG_DEBUG, " * he_capab",
4565 params->he_capab, params->he_capab_len);
4566 if (nla_put(msg, NL80211_ATTR_HE_CAPABILITY,
4567 params->he_capab_len, params->he_capab))
4568 goto fail;
4569 }
4570
e503861f
JM		 4571 if (params->ext_capab) {
4572 wpa_hexdump(MSG_DEBUG, " * ext_capab",
4573 params->ext_capab, params->ext_capab_len);
a862e4a3
JM		 4574 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4575 params->ext_capab_len, params->ext_capab))
4576 goto fail;
e503861f 4577 }
ae33239c
AB		 4578
4579 if (is_ap_interface(drv->nlmode) &&
4580 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4581 params->support_p2p_ps ?
4582 NL80211_P2P_PS_SUPPORTED :
4583 NL80211_P2P_PS_UNSUPPORTED))
4584 goto fail;
5551bc9c 4585 }
45b722f1 4586 if (!params->set) {
f11b72c3
JM		 4587 if (params->aid) {
4588 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM		 4589 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4590 goto fail;
f11b72c3
JM		 4591 } else {
4592 /*
4593 * cfg80211 validates that AID is non-zero, so we have
4594 * to make this a non-zero value for the TDLS case where
dc55b6b6
AB		 4595 * a dummy STA entry is used for now and for a station
4596 * that is still not associated.
f11b72c3 4597 */
dc55b6b6
AB		 4598 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4599 (params->flags & WPA_STA_TDLS_PEER) ?
4600 "TDLS" : "UNASSOC_STA");
a862e4a3
JM		 4601 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4602 goto fail;
f11b72c3 4603 }
e4dea253
JM		 4604 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4605 params->listen_interval);
a862e4a3
JM		 4606 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4607 params->listen_interval))
4608 goto fail;
e112764e
JM		 4609 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4610 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM		 4611 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4612 goto fail;
dc55b6b6
AB		 4613 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4614 (params->flags & WPA_STA_ASSOCIATED)) {
4615 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4616 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4617 params->listen_interval);
4618 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4619 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4620 params->listen_interval))
4621 goto fail;
45b722f1 4622 }
05a8d422 4623
8a458116
MK		 4624 if (params->vht_opmode_enabled) {
4625 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM		 4626 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4627 params->vht_opmode))
4628 goto fail;
8a458116
MK		 4629 }
4630
efc64886
SD		 4631 if (params->supp_channels) {
4632 wpa_hexdump(MSG_DEBUG, " * supported channels",
4633 params->supp_channels, params->supp_channels_len);
a862e4a3
JM		 4634 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4635 params->supp_channels_len, params->supp_channels))
4636 goto fail;
efc64886
SD		 4637 }
4638
4639 if (params->supp_oper_classes) {
4640 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4641 params->supp_oper_classes,
4642 params->supp_oper_classes_len);
a862e4a3
JM		 4643 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4644 params->supp_oper_classes_len,
4645 params->supp_oper_classes))
4646 goto fail;
efc64886
SD		 4647 }
4648
95ab6063 4649 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC		 4650 upd.set = sta_flags_nl80211(params->flags);
4651 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
dc55b6b6
AB		 4652
4653 /*
4654 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4655 * flags, as nl80211 driver moves a new station, by default, into
4656 * associated state.
4657 *
4658 * On the other hand, if the driver supports that feature and the
4659 * station is added in unauthenticated state, set the
4660 * authenticated/associated bits in the mask to prevent moving this
4661 * station to associated state before it is actually associated.
4662 *
4663 * This is irrelevant for mesh mode where the station is added to the
4664 * driver as authenticated already, and ASSOCIATED isn't part of the
4665 * nl80211 API.
4666 */
4667 if (!is_mesh_interface(drv->nlmode)) {
4668 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4669 wpa_printf(MSG_DEBUG,
4670 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4671 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4672 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4673 } else if (!params->set &&
4674 !(params->flags & WPA_STA_TDLS_PEER)) {
4675 if (!(params->flags & WPA_STA_AUTHENTICATED))
4676 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4677 if (!(params->flags & WPA_STA_ASSOCIATED))
4678 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4679 }
e347cafe
MH		 4680#ifdef CONFIG_MESH
4681 } else {
4682 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4683 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4684 params->peer_aid);
4685 if (ret)
4686 goto fail;
4687 }
4688#endif /* CONFIG_MESH */
dc55b6b6
AB		 4689 }
4690
e4dea253
JM		 4691 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4692 upd.set, upd.mask);
a862e4a3
JM		 4693 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4694 goto fail;
95ab6063 4695
7c7e7877 4696#ifdef CONFIG_MESH
a862e4a3
JM		 4697 if (params->plink_state &&
4698 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4699 sta_plink_state_nl80211(params->plink_state)))
4700 goto fail;
7c7e7877
BC		 4701#endif /* CONFIG_MESH */
4702
6d14b98f
JM		 4703 if ((!params->set || FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) &&
4704 (params->flags & WPA_STA_WMM)) {
8970bae8
JB		 4705 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4706
e4dea253 4707 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM		 4708 if (!wme ||
4709 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4710 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4711 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4712 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4713 WMM_QOSINFO_STA_SP_MASK))
4714 goto fail;
8970bae8 4715 nla_nest_end(msg, wme);
774bfa62
EP		 4716 }
4717
0f4e8b4f 4718 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4719 msg = NULL;
0f4e8b4f 4720 if (ret)
45b722f1
AN		 4721 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4722 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4723 strerror(-ret));
0f4e8b4f
JM		 4724 if (ret == -EEXIST)
4725 ret = 0;
a862e4a3 4726fail:
5883168a 4727 nlmsg_free(msg);
0f4e8b4f
JM		 4728 return ret;
4729}
4730
4731
97ed9a06
KP		 4732static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4733{
4734#ifdef CONFIG_LIBNL3_ROUTE
4735 struct wpa_driver_nl80211_data *drv = bss->drv;
4736 struct rtnl_neigh *rn;
4737 struct nl_addr *nl_addr;
4738 int err;
4739
4740 rn = rtnl_neigh_alloc();
4741 if (!rn)
4742 return;
4743
4744 rtnl_neigh_set_family(rn, AF_BRIDGE);
4745 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4746 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4747 if (!nl_addr) {
4748 rtnl_neigh_put(rn);
4749 return;
4750 }
4751 rtnl_neigh_set_lladdr(rn, nl_addr);
4752
4753 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4754 if (err < 0) {
4755 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4756 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4757 bss->ifindex, nl_geterror(err));
4758 } else {
4759 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4760 MACSTR, MAC2STR(addr));
4761 }
4762
4763 nl_addr_put(nl_addr);
4764 rtnl_neigh_put(rn);
4765#endif /* CONFIG_LIBNL3_ROUTE */
4766}
4767
4768
59d7148a
JM		 4769static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4770 int deauth, u16 reason_code)
0f4e8b4f 4771{
a2e40bb6 4772 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 4773 struct nl_msg *msg;
4774 int ret;
4775
13f83980 4776 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM		 4777 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4778 (deauth == 0 &&
4779 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4780 WLAN_FC_STYPE_DISASSOC)) ||
4781 (deauth == 1 &&
4782 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4783 WLAN_FC_STYPE_DEAUTH)) ||
4784 (reason_code &&
4785 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4786 nlmsg_free(msg);
4787 return -ENOBUFS;
4788 }
0f4e8b4f
JM		 4789
4790 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 4791 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4792 " --> %d (%s)",
4793 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 4794
4795 if (drv->rtnl_sk)
4796 rtnl_neigh_delete_fdb_entry(bss, addr);
4797
0f4e8b4f
JM		 4798 if (ret == -ENOENT)
4799 return 0;
4800 return ret;
0f4e8b4f
JM		 4801}
4802
1581b38b 4803
f3407c66 4804void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM		 4805{
4806 struct nl_msg *msg;
de884303 4807 struct wpa_driver_nl80211_data *drv2;
0915d02c 4808
c6e8e8e4
JM		 4809 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4810
2135f224 4811 /* stop listening for EAPOL on this interface */
de884303
JM		 4812 dl_list_for_each(drv2, &drv->global->interfaces,
4813 struct wpa_driver_nl80211_data, list)
732b1d20
MB		 4814 {
4815 del_ifidx(drv2, ifidx, IFIDX_ANY);
4816 /* Remove all bridges learned for this iface */
4817 del_ifidx(drv2, IFIDX_ANY, ifidx);
4818 }
2135f224 4819
95376e1a 4820 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 4821 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4822 return;
e748062b 4823 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 4824}
4825
4826
cc9a2575 4827const char * nl80211_iftype_str(enum nl80211_iftype mode)
a1922f93
JM		 4828{
4829 switch (mode) {
4830 case NL80211_IFTYPE_ADHOC:
4831 return "ADHOC";
4832 case NL80211_IFTYPE_STATION:
4833 return "STATION";
4834 case NL80211_IFTYPE_AP:
4835 return "AP";
1045ec36
JM		 4836 case NL80211_IFTYPE_AP_VLAN:
4837 return "AP_VLAN";
4838 case NL80211_IFTYPE_WDS:
4839 return "WDS";
a1922f93
JM		 4840 case NL80211_IFTYPE_MONITOR:
4841 return "MONITOR";
1045ec36
JM		 4842 case NL80211_IFTYPE_MESH_POINT:
4843 return "MESH_POINT";
a1922f93
JM		 4844 case NL80211_IFTYPE_P2P_CLIENT:
4845 return "P2P_CLIENT";
4846 case NL80211_IFTYPE_P2P_GO:
4847 return "P2P_GO";
7aad838c
NS		 4848 case NL80211_IFTYPE_P2P_DEVICE:
4849 return "P2P_DEVICE";
a1922f93
JM		 4850 default:
4851 return "unknown";
4852 }
4853}
4854
4855
a35187e7
KH		 4856static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4857 const char *ifname,
4858 enum nl80211_iftype iftype,
d6dcfcda
DS		 4859 const u8 *addr, int wds,
4860 int (*handler)(struct nl_msg *, void *),
4861 void *arg)
0915d02c 4862{
8970bae8 4863 struct nl_msg *msg;
0915d02c
JM		 4864 int ifidx;
4865 int ret = -ENOBUFS;
4866
a1922f93
JM		 4867 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4868 iftype, nl80211_iftype_str(iftype));
4869
56f77852
JM		 4870 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4871 if (!msg ||
a862e4a3
JM		 4872 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4873 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4874 goto fail;
0915d02c
JM		 4875
4876 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 4877 struct nlattr *flags;
0915d02c 4878
8970bae8 4879 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM		 4880 if (!flags ||
4881 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4882 goto fail;
0915d02c 4883
8970bae8 4884 nla_nest_end(msg, flags);
fbbfcbac 4885 } else if (wds) {
a862e4a3
JM		 4886 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4887 goto fail;
0915d02c
JM		 4888 }
4889
52f5877a
IP		 4890 /*
4891 * Tell cfg80211 that the interface belongs to the socket that created
4892 * it, and the interface should be deleted when the socket is closed.
4893 */
a862e4a3
JM		 4894 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4895 goto fail;
52f5877a 4896
d6dcfcda 4897 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 4898 msg = NULL;
0915d02c 4899 if (ret) {
a862e4a3 4900 fail:
5883168a 4901 nlmsg_free(msg);
a35187e7
KH		 4902 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4903 ifname, ret, strerror(-ret));
0915d02c
JM		 4904 return ret;
4905 }
4906
f632e483 4907 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 4908 return 0;
6bae92e0 4909
0915d02c 4910 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 4911 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4912 ifname, ifidx);
0915d02c
JM		 4913
4914 if (ifidx <= 0)
4915 return -1;
4916
147848ec
JM		 4917 /*
4918 * Some virtual interfaces need to process EAPOL packets and events on
4919 * the parent interface. This is used mainly with hostapd.
4920 */
4921 if (drv->hostapd ||
4922 iftype == NL80211_IFTYPE_AP_VLAN ||
4923 iftype == NL80211_IFTYPE_WDS ||
4924 iftype == NL80211_IFTYPE_MONITOR) {
4925 /* start listening for EAPOL on this interface */
732b1d20 4926 add_ifidx(drv, ifidx, IFIDX_ANY);
147848ec 4927 }
2135f224 4928
7bfc47c3 4929 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 4930 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 4931 nl80211_remove_iface(drv, ifidx);
4932 return -1;
2135f224 4933 }
2135f224 4934
0915d02c
JM		 4935 return ifidx;
4936}
22a7c9d7
JM		 4937
4938
f3407c66
JM		 4939int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4940 const char *ifname, enum nl80211_iftype iftype,
4941 const u8 *addr, int wds,
4942 int (*handler)(struct nl_msg *, void *),
4943 void *arg, int use_existing)
a35187e7
KH		 4944{
4945 int ret;
4946
d6dcfcda
DS		 4947 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4948 arg);
a35187e7 4949
ffbf1eaa 4950 /* if error occurred and interface exists already */
a35187e7 4951 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 4952 if (use_existing) {
4953 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4954 ifname);
6997f8ba
JM		 4955 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4956 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4957 addr) < 0 &&
4958 (linux_set_iface_flags(drv->global->ioctl_sock,
4959 ifname, 0) < 0 ||
4960 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4961 addr) < 0 ||
4962 linux_set_iface_flags(drv->global->ioctl_sock,
4963 ifname, 1) < 0))
4964 return -1;
2aec4f3c
JM		 4965 return -ENFILE;
4966 }
a35187e7
KH		 4967 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4968
4969 /* Try to remove the interface that was already there. */
4970 nl80211_remove_iface(drv, if_nametoindex(ifname));
4971
4972 /* Try to create the interface again */
fbbfcbac 4973 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 4974 wds, handler, arg);
a35187e7
KH		 4975 }
4976
3e208481
JM		 4977 if (ret >= 0 && is_p2p_net_interface(iftype)) {
4978 wpa_printf(MSG_DEBUG,
4979 "nl80211: Interface %s created for P2P - disable 11b rates",
4980 ifname);
4e5cb1a3 4981 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 4982 }
4e5cb1a3 4983
a35187e7
KH		 4984 return ret;
4985}
0915d02c 4986
2135f224 4987
3fd1cefb
JB		 4988static int nl80211_setup_ap(struct i802_bss *bss)
4989{
4990 struct wpa_driver_nl80211_data *drv = bss->drv;
4991
748c0ac0
JM		 4992 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4993 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 4994
a11241fa
JB		 4995 /*
4996 * Disable Probe Request reporting unless we need it in this way for
4997 * devices that include the AP SME, in the other case (unless using
4998 * monitor iface) we'll get it through the nl_mgmt socket instead.
4999 */
5000 if (!drv->device_ap_sme)
5001 wpa_driver_nl80211_probe_req_report(bss, 0);
5002
5003 if (!drv->device_ap_sme && !drv->use_monitor)
5004 if (nl80211_mgmt_subscribe_ap(bss))
5005 return -1;
5006
a6cc0602
JM		 5007 if (drv->device_ap_sme && !drv->use_monitor)
5008 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
f4830bed
RM		 5009 wpa_printf(MSG_DEBUG,
5010 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
a6cc0602 5011
a11241fa 5012 if (!drv->device_ap_sme && drv->use_monitor &&
ea19b39f
RM		 5013 nl80211_create_monitor_interface(drv) &&
5014 !drv->device_ap_sme)
3fd1cefb
JB		 5015 return -1;
5016
5017 if (drv->device_ap_sme &&
5018 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
5019 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
5020 "Probe Request frame reporting in AP mode");
5021 /* Try to survive without this */
5022 }
5023
5024 return 0;
5025}
5026
5027
5028static void nl80211_teardown_ap(struct i802_bss *bss)
5029{
5030 struct wpa_driver_nl80211_data *drv = bss->drv;
5031
748c0ac0
JM		 5032 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
5033 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 5034 if (drv->device_ap_sme) {
3fd1cefb 5035 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 5036 if (!drv->use_monitor)
5037 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
5038 } else if (drv->use_monitor)
3fd1cefb 5039 nl80211_remove_monitor_interface(drv);
a11241fa 5040 else
36488c05 5041 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 5042
a70cd0db 5043 nl80211_put_wiphy_data_ap(bss);
3fd1cefb
JB		 5044 bss->beacon_set = 0;
5045}
5046
5047
f10bfc9a
JM		 5048static int nl80211_send_eapol_data(struct i802_bss *bss,
5049 const u8 *addr, const u8 *data,
d12dab4c 5050 size_t data_len)
f10bfc9a 5051{
d12dab4c
JB		 5052 struct sockaddr_ll ll;
5053 int ret;
5054
5055 if (bss->drv->eapol_tx_sock < 0) {
5056 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 5057 return -1;
5058 }
5059
d12dab4c
JB		 5060 os_memset(&ll, 0, sizeof(ll));
5061 ll.sll_family = AF_PACKET;
5062 ll.sll_ifindex = bss->ifindex;
5063 ll.sll_protocol = htons(ETH_P_PAE);
5064 ll.sll_halen = ETH_ALEN;
5065 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
5066 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
5067 (struct sockaddr *) &ll, sizeof(ll));
5068 if (ret < 0)
5069 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
5070 strerror(errno));
5071
5072 return ret;
f10bfc9a 5073}
5fb1a232 5074
f10bfc9a 5075
db149ac9
JM		 5076static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
5077
5078static int wpa_driver_nl80211_hapd_send_eapol(
5079 void *priv, const u8 *addr, const u8 *data,
4378fc14 5080 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 5081{
a2e40bb6
FF		 5082 struct i802_bss *bss = priv;
5083 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 5084 struct ieee80211_hdr *hdr;
5085 size_t len;
5086 u8 *pos;
5087 int res;
4378fc14 5088 int qos = flags & WPA_STA_WMM;
db149ac9 5089
a11241fa 5090 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 5091 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 5092
db149ac9
JM		 5093 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
5094 data_len;
5095 hdr = os_zalloc(len);
5096 if (hdr == NULL) {
7ac3616d
JM		 5097 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
5098 (unsigned long) len);
db149ac9
JM		 5099 return -1;
5100 }
5101
5102 hdr->frame_control =
5103 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
5104 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
5105 if (encrypt)
5106 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 5107 if (qos) {
5108 hdr->frame_control |=
5109 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
5110 }
db149ac9
JM		 5111
5112 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
5113 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
5114 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
5115 pos = (u8 *) (hdr + 1);
5116
db149ac9 5117 if (qos) {
92d521d8
FF		 5118 /* Set highest priority in QoS header */
5119 pos[0] = 7;
db149ac9
JM		 5120 pos[1] = 0;
5121 pos += 2;
5122 }
db149ac9
JM		 5123
5124 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
5125 pos += sizeof(rfc1042_header);
5126 WPA_PUT_BE16(pos, ETH_P_PAE);
5127 pos += 2;
5128 memcpy(pos, data, data_len);
5129
55231068 5130 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
2d3943ce 5131 0, 0, 0, 0, NULL, 0);
db149ac9
JM		 5132 if (res < 0) {
5133 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
5134 "failed: %d (%s)",
5135 (unsigned long) len, errno, strerror(errno));
5136 }
7bf12757 5137 os_free(hdr);
db149ac9
JM		 5138
5139 return res;
5140}
5141
a8d6ffa4 5142
3234cba4 5143static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
f97e3ce4
JM		 5144 unsigned int total_flags,
5145 unsigned int flags_or,
5146 unsigned int flags_and)
a8d6ffa4 5147{
a2e40bb6 5148 struct i802_bss *bss = priv;
8970bae8
JB		 5149 struct nl_msg *msg;
5150 struct nlattr *flags;
7e76ee9c 5151 struct nl80211_sta_flag_update upd;
a8d6ffa4 5152
0cd9846c
JM		 5153 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
5154 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
5155 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
5156 !!(total_flags & WPA_STA_AUTHORIZED));
5157
13f83980 5158 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5159 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
5160 goto fail;
a8d6ffa4 5161
7e76ee9c
JM		 5162 /*
5163 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
5164 * can be removed eventually.
5165 */
8970bae8 5166 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM		 5167 if (!flags ||
5168 ((total_flags & WPA_STA_AUTHORIZED) &&
5169 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
5170 ((total_flags & WPA_STA_WMM) &&
5171 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
5172 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
5173 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
5174 ((total_flags & WPA_STA_MFP) &&
5175 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
5176 ((total_flags & WPA_STA_TDLS_PEER) &&
5177 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
5178 goto fail;
45b722f1 5179
8970bae8 5180 nla_nest_end(msg, flags);
a8d6ffa4 5181
7e76ee9c
JM		 5182 os_memset(&upd, 0, sizeof(upd));
5183 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
5184 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM		 5185 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
5186 goto fail;
7e76ee9c 5187
13f83980 5188 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 5189fail:
5883168a 5190 nlmsg_free(msg);
a8d6ffa4
JM		 5191 return -ENOBUFS;
5192}
5193
0915d02c 5194
6720b948
THJ		 5195static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr,
5196 unsigned int weight)
5197{
5198 struct i802_bss *bss = priv;
5199 struct nl_msg *msg;
5200
5201 wpa_printf(MSG_DEBUG,
5202 "nl80211: Set STA airtime weight - ifname=%s addr=" MACSTR
5203 " weight=%u", bss->ifname, MAC2STR(addr), weight);
5204
5205 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5206 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5207 nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight))
5208 goto fail;
5209
5210 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5211fail:
5212 nlmsg_free(msg);
5213 return -ENOBUFS;
5214}
5215
5216
1581b38b
JM		 5217static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
5218 struct wpa_driver_associate_params *params)
5219{
708bc8e0 5220 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 5221
5222 if (params->p2p) {
046b26a2
JM		 5223 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
5224 "group (GO)");
b1f625e0
EP		 5225 nlmode = NL80211_IFTYPE_P2P_GO;
5226 } else
5227 nlmode = NL80211_IFTYPE_AP;
5228
708bc8e0 5229 old_mode = drv->nlmode;
834ee56f 5230 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 5231 nl80211_remove_monitor_interface(drv);
5232 return -1;
5233 }
5234
6e9023ea
JM		 5235 if (params->freq.freq &&
5236 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 5237 if (old_mode != nlmode)
834ee56f 5238 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 5239 nl80211_remove_monitor_interface(drv);
1581b38b 5240 return -1;
0915d02c 5241 }
1581b38b 5242
1581b38b
JM		 5243 return 0;
5244}
1581b38b
JM		 5245
5246
666e508c
JM		 5247static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
5248 int reset_mode)
5cc4d64b
JM		 5249{
5250 struct nl_msg *msg;
9725b784 5251 int ret;
a862e4a3 5252
9725b784 5253 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 5254 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM		 5255 if (ret) {
5256 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
5257 "(%s)", ret, strerror(-ret));
9725b784
JM		 5258 } else {
5259 wpa_printf(MSG_DEBUG,
5260 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM		 5261 }
5262
666e508c
JM		 5263 if (reset_mode &&
5264 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 5265 NL80211_IFTYPE_STATION)) {
5266 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5267 "station mode");
5268 }
5269
5cc4d64b
JM		 5270 return ret;
5271}
5272
5273
95ff3069
JD		 5274static int nl80211_ht_vht_overrides(struct nl_msg *msg,
5275 struct wpa_driver_associate_params *params)
5276{
5277 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
5278 return -1;
5279
5280 if (params->htcaps && params->htcaps_mask) {
5281 int sz = sizeof(struct ieee80211_ht_capabilities);
5282 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
5283 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
5284 params->htcaps_mask, sz);
5285 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
5286 params->htcaps) ||
5287 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
5288 params->htcaps_mask))
5289 return -1;
5290 }
5291
5292#ifdef CONFIG_VHT_OVERRIDES
5293 if (params->disable_vht) {
5294 wpa_printf(MSG_DEBUG, " * VHT disabled");
5295 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
5296 return -1;
5297 }
5298
5299 if (params->vhtcaps && params->vhtcaps_mask) {
5300 int sz = sizeof(struct ieee80211_vht_capabilities);
5301 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
5302 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
5303 params->vhtcaps_mask, sz);
5304 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
5305 params->vhtcaps) ||
5306 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
5307 params->vhtcaps_mask))
5308 return -1;
5309 }
5310#endif /* CONFIG_VHT_OVERRIDES */
5311
5312 return 0;
5313}
5314
5315
5cc4d64b
JM		 5316static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
5317 struct wpa_driver_associate_params *params)
5318{
5319 struct nl_msg *msg;
5320 int ret = -1;
5321 int count = 0;
5322
5323 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
5324
4ec68377 5325 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 5326 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5327 "IBSS mode");
5328 return -1;
5329 }
5330
5331retry:
9725b784 5332 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM		 5333 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
5334 goto fail;
5cc4d64b 5335
21cd8f83
JM		 5336 wpa_printf(MSG_DEBUG, " * SSID=%s",
5337 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 5338 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5339 goto fail;
5cc4d64b
JM		 5340 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5341 drv->ssid_len = params->ssid_len;
5342
85e1fad8
JM		 5343 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
5344 nl80211_put_beacon_int(msg, params->beacon_int))
a862e4a3 5345 goto fail;
5cc4d64b
JM		 5346
5347 ret = nl80211_set_conn_keys(params, msg);
5348 if (ret)
a862e4a3 5349 goto fail;
5cc4d64b 5350
913e3cf7
NC		 5351 if (params->bssid && params->fixed_bssid) {
5352 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
5353 MAC2STR(params->bssid));
a862e4a3
JM		 5354 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5355 goto fail;
913e3cf7
NC		 5356 }
5357
4d9e6fba
JD		 5358 if (params->fixed_freq) {
5359 wpa_printf(MSG_DEBUG, " * fixed_freq");
5360 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
5361 goto fail;
5362 }
5363
4848a38d
JM		 5364 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5365 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5366 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5367 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 5368 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM		 5369 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5370 goto fail;
e640888c
AQ		 5371 }
5372
a95795ad
JM		 5373 if (params->wpa_ie) {
5374 wpa_hexdump(MSG_DEBUG,
5375 " * Extra IEs for Beacon/Probe Response frames",
5376 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5377 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
5378 params->wpa_ie))
5379 goto fail;
a95795ad
JM		 5380 }
5381
e15dcf6d
PK		 5382 ret = nl80211_ht_vht_overrides(msg, params);
5383 if (ret < 0)
5384 goto fail;
95ff3069 5385
5cc4d64b
JM		 5386 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5387 msg = NULL;
5388 if (ret) {
5389 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
5390 ret, strerror(-ret));
5391 count++;
5392 if (ret == -EALREADY && count == 1) {
5393 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
5394 "forced leave");
666e508c 5395 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM		 5396 nlmsg_free(msg);
5397 goto retry;
5398 }
a862e4a3
JM		 5399 } else {
5400 wpa_printf(MSG_DEBUG,
5401 "nl80211: Join IBSS request sent successfully");
5cc4d64b 5402 }
5cc4d64b 5403
a862e4a3 5404fail:
5cc4d64b
JM		 5405 nlmsg_free(msg);
5406 return ret;
5407}
5408
5409
ad295f3b
VK		 5410static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
5411 struct wpa_driver_associate_params *params,
5412 struct nl_msg *msg)
5413{
5414 if (params->fils_erp_username_len) {
5415 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username",
5416 params->fils_erp_username,
5417 params->fils_erp_username_len);
5418 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
5419 params->fils_erp_username_len,
5420 params->fils_erp_username))
5421 return -1;
5422 }
5423
5424 if (params->fils_erp_realm_len) {
5425 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm",
5426 params->fils_erp_realm,
5427 params->fils_erp_realm_len);
5428 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
5429 params->fils_erp_realm_len, params->fils_erp_realm))
5430 return -1;
5431 }
5432
5433 wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u",
5434 params->fils_erp_next_seq_num);
5435 if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
5436 params->fils_erp_next_seq_num))
5437 return -1;
5438
5439 if (params->fils_erp_rrk_len) {
5440 wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)",
5441 (unsigned long) params->fils_erp_rrk_len);
5442 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
5443 params->fils_erp_rrk_len, params->fils_erp_rrk))
5444 return -1;
5445 }
5446
5447 return 0;
5448}
5449
5450
a0bdd191
JM		 5451static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
5452 struct wpa_driver_associate_params *params,
5453 struct nl_msg *msg)
cfaab580 5454{
c85dfc6f
JM		 5455 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5456 return -1;
5457
cfaab580
ZY		 5458 if (params->bssid) {
5459 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5460 MAC2STR(params->bssid));
a862e4a3
JM		 5461 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5462 return -1;
cfaab580 5463 }
a0bdd191 5464
7ac7fd43
DS		 5465 if (params->bssid_hint) {
5466 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
5467 MAC2STR(params->bssid_hint));
a862e4a3
JM		 5468 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
5469 params->bssid_hint))
5470 return -1;
7ac7fd43
DS		 5471 }
5472
4ec68377
JD		 5473 if (params->freq.freq) {
5474 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM		 5475 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
5476 params->freq.freq))
5477 return -1;
4ec68377 5478 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 5479 } else
5480 drv->assoc_freq = 0;
a0bdd191 5481
7ac7fd43
DS		 5482 if (params->freq_hint) {
5483 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM		 5484 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
5485 params->freq_hint))
5486 return -1;
7ac7fd43
DS		 5487 }
5488
1f6c0ab8
BS		 5489 if (params->bg_scan_period >= 0) {
5490 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
5491 params->bg_scan_period);
a862e4a3
JM		 5492 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
5493 params->bg_scan_period))
5494 return -1;
1f6c0ab8 5495 }
a0bdd191 5496
cfaab580 5497 if (params->ssid) {
21cd8f83
JM		 5498 wpa_printf(MSG_DEBUG, " * SSID=%s",
5499 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 5500 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
5501 params->ssid))
5502 return -1;
cfaab580 5503 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 5504 return -1;
cfaab580
ZY		 5505 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5506 drv->ssid_len = params->ssid_len;
5507 }
a0bdd191 5508
cfaab580 5509 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5510 if (params->wpa_ie &&
5511 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
5512 return -1;
cfaab580 5513
64fa840a
JM		 5514 if (params->wpa_proto) {
5515 enum nl80211_wpa_versions ver = 0;
cfaab580 5516
64fa840a
JM		 5517 if (params->wpa_proto & WPA_PROTO_WPA)
5518 ver |= NL80211_WPA_VERSION_1;
5519 if (params->wpa_proto & WPA_PROTO_RSN)
5520 ver |= NL80211_WPA_VERSION_2;
cfaab580 5521
64fa840a 5522 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM		 5523 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5524 return -1;
cfaab580
ZY		 5525 }
5526
4848a38d 5527 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5528 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
5529 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM		 5530 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5531 cipher))
5532 return -1;
cfaab580
ZY		 5533 }
5534
ae6f9272
JM		 5535 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
5536 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
5537 /*
5538 * This is likely to work even though many drivers do not
5539 * advertise support for operations without GTK.
5540 */
5541 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
5542 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5543 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
5544 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM		 5545 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
5546 return -1;
cfaab580
ZY		 5547 }
5548
4848a38d
JM		 5549 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5550 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5551 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
5552 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 5553 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 5554 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
5555 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8 5556 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
005585d6
AB		 5557 params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5558 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE ||
5e3b5197 5559 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
ad295f3b 5560 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
005585d6 5561 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
ad295f3b
VK		 5562 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
5563 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
5564 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
e005725a
SD		 5565 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 ||
5566 params->key_mgmt_suite == WPA_KEY_MGMT_OWE ||
5567 params->key_mgmt_suite == WPA_KEY_MGMT_DPP) {
3aa24db9 5568 int mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5569
5570 switch (params->key_mgmt_suite) {
4848a38d 5571 case WPA_KEY_MGMT_CCKM:
3aa24db9 5572 mgmt = RSN_AUTH_KEY_MGMT_CCKM;
369c8d7b 5573 break;
4848a38d 5574 case WPA_KEY_MGMT_IEEE8021X:
3aa24db9 5575 mgmt = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
cfaab580 5576 break;
4848a38d 5577 case WPA_KEY_MGMT_FT_IEEE8021X:
3aa24db9 5578 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X;
6a1ce395 5579 break;
4848a38d 5580 case WPA_KEY_MGMT_FT_PSK:
3aa24db9 5581 mgmt = RSN_AUTH_KEY_MGMT_FT_PSK;
6a1ce395 5582 break;
8802326f 5583 case WPA_KEY_MGMT_IEEE8021X_SHA256:
3aa24db9 5584 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
8802326f
JJ		 5585 break;
5586 case WPA_KEY_MGMT_PSK_SHA256:
3aa24db9 5587 mgmt = RSN_AUTH_KEY_MGMT_PSK_SHA256;
8802326f 5588 break;
163f801e 5589 case WPA_KEY_MGMT_OSEN:
3aa24db9 5590 mgmt = RSN_AUTH_KEY_MGMT_OSEN;
163f801e 5591 break;
005585d6
AB		 5592 case WPA_KEY_MGMT_SAE:
5593 mgmt = RSN_AUTH_KEY_MGMT_SAE;
5594 break;
5595 case WPA_KEY_MGMT_FT_SAE:
5596 mgmt = RSN_AUTH_KEY_MGMT_FT_SAE;
5597 break;
666497c8 5598 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
3aa24db9 5599 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
666497c8 5600 break;
5e3b5197 5601 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
3aa24db9 5602 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
5e3b5197 5603 break;
005585d6
AB		 5604 case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
5605 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
5606 break;
ad295f3b
VK		 5607 case WPA_KEY_MGMT_FILS_SHA256:
5608 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA256;
5609 break;
5610 case WPA_KEY_MGMT_FILS_SHA384:
5611 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA384;
5612 break;
5613 case WPA_KEY_MGMT_FT_FILS_SHA256:
5614 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
5615 break;
5616 case WPA_KEY_MGMT_FT_FILS_SHA384:
5617 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
5618 break;
e005725a
SD		 5619 case WPA_KEY_MGMT_OWE:
5620 mgmt = RSN_AUTH_KEY_MGMT_OWE;
5621 break;
5622 case WPA_KEY_MGMT_DPP:
5623 mgmt = RSN_AUTH_KEY_MGMT_DPP;
5624 break;
4848a38d 5625 case WPA_KEY_MGMT_PSK:
cfaab580 5626 default:
3aa24db9 5627 mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5628 break;
5629 }
163f801e 5630 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM		 5631 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
5632 return -1;
cfaab580
ZY		 5633 }
5634
d896874f
AS		 5635 if (params->req_key_mgmt_offload &&
5636 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) {
5637 wpa_printf(MSG_DEBUG, " * WANT_1X_4WAY_HS");
5638 if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS))
5639 return -1;
5640 }
5641
730c5a1d
EP		 5642 /* Add PSK in case of 4-way handshake offload */
5643 if (params->psk &&
436ee2fd 5644 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) {
730c5a1d
EP		 5645 wpa_hexdump_key(MSG_DEBUG, " * PSK", params->psk, 32);
5646 if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk))
5647 return -1;
5648 }
5649
a862e4a3
JM		 5650 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5651 return -1;
a0bdd191 5652
e3429c0b
JB		 5653 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5654 (params->pairwise_suite == WPA_CIPHER_NONE ||
5655 params->pairwise_suite == WPA_CIPHER_WEP104 ||
5656 params->pairwise_suite == WPA_CIPHER_WEP40) &&
5657 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
5658 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
5659 return -1;
5660
58162adf
AK		 5661 if (params->rrm_used) {
5662 u32 drv_rrm_flags = drv->capa.rrm_flags;
b5d172e5
BL		 5663 if ((!((drv_rrm_flags &
5664 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
5665 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
5666 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
a862e4a3
JM		 5667 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
5668 return -1;
58162adf
AK		 5669 }
5670
95ff3069 5671 if (nl80211_ht_vht_overrides(msg, params) < 0)
a862e4a3 5672 return -1;
80e8a5ee 5673
a0bdd191
JM		 5674 if (params->p2p)
5675 wpa_printf(MSG_DEBUG, " * P2P group");
5676
86b5c400
LD		 5677 if (params->pbss) {
5678 wpa_printf(MSG_DEBUG, " * PBSS");
5679 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5680 return -1;
5681 }
5682
1126c078 5683 drv->connect_reassoc = 0;
00c3c4ac
JM		 5684 if (params->prev_bssid) {
5685 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
5686 MAC2STR(params->prev_bssid));
5687 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
5688 params->prev_bssid))
5689 return -1;
1126c078 5690 drv->connect_reassoc = 1;
00c3c4ac
JM		 5691 }
5692
ad295f3b
VK		 5693 if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
5694 nl80211_put_fils_connect_params(drv, params, msg) != 0)
5695 return -1;
5696
ba71cb82
SD		 5697 if ((params->auth_alg & WPA_AUTH_ALG_SAE) &&
5698 (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) &&
5699 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
5700 return -1;
5701
a0bdd191 5702 return 0;
a0bdd191
JM		 5703}
5704
5705
5706static int wpa_driver_nl80211_try_connect(
5707 struct wpa_driver_nl80211_data *drv,
40a68f33
SD		 5708 struct wpa_driver_associate_params *params,
5709 struct nl_handle *nl_connect)
a0bdd191
JM		 5710{
5711 struct nl_msg *msg;
5712 enum nl80211_auth_type type;
5713 int ret;
5714 int algs;
5715
b658547d 5716#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 5717 if (params->req_key_mgmt_offload && params->psk &&
5718 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5719 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5720 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5721 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5722 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5723 if (ret)
5724 return ret;
5725 }
b658547d 5726#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 5727
9725b784
JM		 5728 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5729 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM		 5730 if (!msg)
5731 return -1;
5732
a0bdd191
JM		 5733 ret = nl80211_connect_common(drv, params, msg);
5734 if (ret)
a862e4a3 5735 goto fail;
a0bdd191 5736
299d21e8
EG		 5737 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5738 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5739 goto fail;
5740
5741 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL &&
5742 (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) &&
5743 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL))
5744 goto fail;
5745
a0bdd191
JM		 5746 algs = 0;
5747 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5748 algs++;
5749 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5750 algs++;
5751 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5752 algs++;
64a0a75b
JM		 5753 if (params->auth_alg & WPA_AUTH_ALG_FILS)
5754 algs++;
86c998d3
AM		 5755 if (params->auth_alg & WPA_AUTH_ALG_FT)
5756 algs++;
a0bdd191
JM		 5757 if (algs > 1) {
5758 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5759 "selection");
5760 goto skip_auth_type;
5761 }
5762
3c67e977 5763 type = get_nl_auth_type(params->auth_alg);
a0bdd191 5764 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 5765 if (type == NL80211_AUTHTYPE_MAX ||
5766 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 5767 goto fail;
a0bdd191
JM		 5768
5769skip_auth_type:
cfaab580
ZY		 5770 ret = nl80211_set_conn_keys(params, msg);
5771 if (ret)
a862e4a3 5772 goto fail;
cfaab580 5773
40a68f33 5774 if (nl_connect)
0fa33e05
JM		 5775 ret = send_and_recv(drv->global, nl_connect, msg,
5776 NULL, (void *) -1);
40a68f33 5777 else
0fa33e05 5778 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
40a68f33 5779
cfaab580
ZY		 5780 msg = NULL;
5781 if (ret) {
5782 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5783 "(%s)", ret, strerror(-ret));
a862e4a3
JM		 5784 } else {
5785 wpa_printf(MSG_DEBUG,
5786 "nl80211: Connect request send successfully");
cfaab580 5787 }
cfaab580 5788
a862e4a3 5789fail:
0fa33e05 5790 nl80211_nlmsg_clear(msg);
cfaab580
ZY		 5791 nlmsg_free(msg);
5792 return ret;
5793
5794}
5795
5796
a8c5b43a
CW		 5797static int wpa_driver_nl80211_connect(
5798 struct wpa_driver_nl80211_data *drv,
40a68f33
SD		 5799 struct wpa_driver_associate_params *params,
5800 struct nl_handle *nl_connect)
a8c5b43a 5801{
0d4e3d1d
JJ		 5802 int ret;
5803
5804 /* Store the connection attempted bssid for future use */
5805 if (params->bssid)
5806 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5807 else
5808 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5809
40a68f33 5810 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW		 5811 if (ret == -EALREADY) {
5812 /*
5813 * cfg80211 does not currently accept new connections if
5814 * we are already connected. As a workaround, force
5815 * disconnection and try again.
5816 */
5817 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5818 "disconnecting before reassociation "
5819 "attempt");
5820 if (wpa_driver_nl80211_disconnect(
10d32e2c 5821 drv, WLAN_REASON_PREV_AUTH_NOT_VALID, nl_connect))
a8c5b43a 5822 return -1;
40a68f33 5823 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW		 5824 }
5825 return ret;
5826}
5827
5828
c2a04078
JM		 5829static int wpa_driver_nl80211_associate(
5830 void *priv, struct wpa_driver_associate_params *params)
5831{
a2e40bb6
FF		 5832 struct i802_bss *bss = priv;
5833 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 5834 int ret = -1;
c2a04078
JM		 5835 struct nl_msg *msg;
5836
4bd71954
JM		 5837 nl80211_unmask_11b_rates(bss);
5838
5cc4d64b 5839 if (params->mode == IEEE80211_MODE_AP)
1581b38b 5840 return wpa_driver_nl80211_ap(drv, params);
1581b38b 5841
5cc4d64b
JM		 5842 if (params->mode == IEEE80211_MODE_IBSS)
5843 return wpa_driver_nl80211_ibss(drv, params);
5844
4a867032 5845 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 5846 enum nl80211_iftype nlmode = params->p2p ?
5847 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
40a68f33 5848 struct nl_handle *nl_connect = NULL;
b1f625e0
EP		 5849
5850 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 5851 return -1;
10d32e2c 5852 if (params->auth_alg & WPA_AUTH_ALG_SAE) {
40a68f33 5853 nl_connect = bss->nl_connect;
10d32e2c
CI		 5854 bss->use_nl_connect = 1;
5855 } else {
5856 bss->use_nl_connect = 0;
5857 }
5858
40a68f33 5859 return wpa_driver_nl80211_connect(drv, params, nl_connect);
4a867032 5860 }
cfaab580 5861
add9b7a4 5862 nl80211_mark_disconnected(drv);
c2a04078 5863
c2a04078
JM		 5864 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
5865 drv->ifindex);
9725b784
JM		 5866 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
5867 if (!msg)
5868 return -1;
c2a04078 5869
a0bdd191
JM		 5870 ret = nl80211_connect_common(drv, params, msg);
5871 if (ret)
a862e4a3 5872 goto fail;
01652550 5873
299d21e8
EG		 5874 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5875 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5876 goto fail;
5877
40a45727
JM		 5878 if (params->fils_kek) {
5879 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
5880 (unsigned int) params->fils_kek_len);
5881 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
5882 params->fils_kek))
5883 goto fail;
5884 }
5885 if (params->fils_nonces) {
5886 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
5887 params->fils_nonces,
5888 params->fils_nonces_len);
5889 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
5890 params->fils_nonces_len, params->fils_nonces))
5891 goto fail;
5892 }
5893
c2a04078
JM		 5894 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5895 msg = NULL;
5896 if (ret) {
3b7ea880
BG		 5897 wpa_dbg(drv->ctx, MSG_DEBUG,
5898 "nl80211: MLME command failed (assoc): ret=%d (%s)",
5899 ret, strerror(-ret));
8856462d 5900 nl80211_dump_scan(drv);
a862e4a3
JM		 5901 } else {
5902 wpa_printf(MSG_DEBUG,
5903 "nl80211: Association request send successfully");
c2a04078 5904 }
c2a04078 5905
a862e4a3 5906fail:
c2a04078
JM		 5907 nlmsg_free(msg);
5908 return ret;
5909}
3f5285e8
JM		 5910
5911
ad1e68e6 5912static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 5913 int ifindex, enum nl80211_iftype mode)
3f5285e8 5914{
3f5285e8 5915 struct nl_msg *msg;
ad1e68e6
JM		 5916 int ret = -ENOBUFS;
5917
a1922f93
JM		 5918 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
5919 ifindex, mode, nl80211_iftype_str(mode));
5920
56f77852
JM		 5921 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
5922 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 5923 goto fail;
ad1e68e6
JM		 5924
5925 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 5926 msg = NULL;
ad1e68e6
JM		 5927 if (!ret)
5928 return 0;
a862e4a3 5929fail:
5883168a 5930 nlmsg_free(msg);
ad1e68e6
JM		 5931 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
5932 " %d (%s)", ifindex, mode, ret, strerror(-ret));
5933 return ret;
5934}
5935
5936
3c5d34e3
CW		 5937static int wpa_driver_nl80211_set_mode_impl(
5938 struct i802_bss *bss,
5939 enum nl80211_iftype nlmode,
5940 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 5941{
a2e40bb6 5942 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 5943 int ret = -1;
26af9dca 5944 int i;
86957e62 5945 int was_ap = is_ap_interface(drv->nlmode);
671a5039 5946 int res;
ebffdbc4 5947 int mode_switch_res;
1581b38b 5948
a5a187b0
JM		 5949 if (TEST_FAIL())
5950 return -1;
5951
ebffdbc4
CW		 5952 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5953 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
5954 mode_switch_res = 0;
8e12685c 5955
ebffdbc4 5956 if (mode_switch_res == 0) {
ad1e68e6 5957 drv->nlmode = nlmode;
460456f8
JM		 5958 ret = 0;
5959 goto done;
ad1e68e6 5960 }
3f5285e8 5961
ebffdbc4 5962 if (mode_switch_res == -ENODEV)
671a5039
JM		 5963 return -1;
5964
460456f8 5965 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 5966 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
5967 "requested mode - ignore error");
460456f8
JM		 5968 ret = 0;
5969 goto done; /* Already in the requested mode */
5970 }
3f5285e8 5971
3f5285e8
JM		 5972 /* mac80211 doesn't allow mode changes while the device is up, so
5973 * take the device down, try to set the mode again, and bring the
5974 * device back up.
5975 */
26af9dca
JM		 5976 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
5977 "interface down");
5978 for (i = 0; i < 10; i++) {
91724d6f 5979 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 5980 if (res == -EACCES || res == -ENODEV)
5981 break;
ebffdbc4 5982 if (res != 0) {
26af9dca
JM		 5983 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
5984 "interface down");
ebffdbc4
CW		 5985 os_sleep(0, 100000);
5986 continue;
5987 }
3c5d34e3
CW		 5988
5989 /*
5990 * Setting the mode will fail for some drivers if the phy is
5991 * on a frequency that the mode is disallowed in.
5992 */
5993 if (desired_freq_params) {
bdf5ccb2 5994 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW		 5995 if (res) {
5996 wpa_printf(MSG_DEBUG,
5997 "nl80211: Failed to set frequency on interface");
5998 }
5999 }
6000
ebffdbc4
CW		 6001 /* Try to set the mode again while the interface is down */
6002 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6003 if (mode_switch_res == -EBUSY) {
6004 wpa_printf(MSG_DEBUG,
6005 "nl80211: Delaying mode set while interface going down");
6006 os_sleep(0, 100000);
6007 continue;
6008 }
6009 ret = mode_switch_res;
6010 break;
3f5285e8
JM		 6011 }
6012
c6e8e8e4
JM		 6013 if (!ret) {
6014 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
6015 "interface is down");
ad1e68e6 6016 drv->nlmode = nlmode;
7d9c3698 6017 drv->ignore_if_down_event = 1;
c6e8e8e4 6018 }
ad1e68e6 6019
ebffdbc4
CW		 6020 /* Bring the interface back up */
6021 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
6022 if (res != 0) {
6023 wpa_printf(MSG_DEBUG,
6024 "nl80211: Failed to set interface up after switching mode");
6025 ret = -1;
6026 }
6027
460456f8 6028done:
3fd1cefb
JB		 6029 if (ret) {
6030 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
6031 "from %d failed", nlmode, drv->nlmode);
6032 return ret;
6033 }
6034
3e208481
JM		 6035 if (is_p2p_net_interface(nlmode)) {
6036 wpa_printf(MSG_DEBUG,
6037 "nl80211: Interface %s mode change to P2P - disable 11b rates",
6038 bss->ifname);
edb9bfba 6039 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM		 6040 } else if (drv->disabled_11b_rates) {
6041 wpa_printf(MSG_DEBUG,
6042 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
6043 bss->ifname);
1d0c6fb1 6044 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 6045 }
edb9bfba 6046
3fd1cefb 6047 if (is_ap_interface(nlmode)) {
36488c05 6048 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 6049 /* Setup additional AP mode functionality if needed */
3fd1cefb 6050 if (nl80211_setup_ap(bss))
460456f8 6051 return -1;
3fd1cefb 6052 } else if (was_ap) {
460456f8 6053 /* Remove additional AP mode functionality */
3fd1cefb 6054 nl80211_teardown_ap(bss);
a11241fa 6055 } else {
36488c05 6056 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 6057 }
460456f8 6058
afb0550a
BC		 6059 if (is_mesh_interface(nlmode) &&
6060 nl80211_mgmt_subscribe_mesh(bss))
6061 return -1;
6062
873d0fcf 6063 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 6064 !is_mesh_interface(nlmode) &&
a11241fa
JB		 6065 nl80211_mgmt_subscribe_non_ap(bss) < 0)
6066 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
6067 "frame processing - ignore for now");
08359050 6068
3fd1cefb 6069 return 0;
3f5285e8
JM		 6070}
6071
6072
f3407c66
JM		 6073int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
6074 enum nl80211_iftype nlmode)
3c5d34e3
CW		 6075{
6076 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
6077}
6078
6079
4ec68377
JD		 6080static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
6081 struct hostapd_freq_params *freq)
3c5d34e3 6082{
3c5d34e3 6083 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 6084 freq);
3c5d34e3 6085}
65d645ce
AS		 6086
6087
3f5285e8
JM		 6088static int wpa_driver_nl80211_get_capa(void *priv,
6089 struct wpa_driver_capa *capa)
6090{
a2e40bb6
FF		 6091 struct i802_bss *bss = priv;
6092 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 6093
3f5285e8
JM		 6094 if (!drv->has_capability)
6095 return -1;
6096 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 6097 if (drv->extended_capa && drv->extended_capa_mask) {
6098 capa->extended_capa = drv->extended_capa;
6099 capa->extended_capa_mask = drv->extended_capa_mask;
6100 capa->extended_capa_len = drv->extended_capa_len;
6101 }
851b0c55 6102
906bc4c7 6103 return 0;
3f5285e8
JM		 6104}
6105
6106
6107static int wpa_driver_nl80211_set_operstate(void *priv, int state)
6108{
a2e40bb6
FF		 6109 struct i802_bss *bss = priv;
6110 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 6111
90a545cc
JM		 6112 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
6113 bss->ifname, drv->operstate, state,
6114 state ? "UP" : "DORMANT");
3f5285e8 6115 drv->operstate = state;
36d84860 6116 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 6117 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 6118}
6119
01652550
JM		 6120
6121static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
6122{
a2e40bb6
FF		 6123 struct i802_bss *bss = priv;
6124 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 6125 struct nl_msg *msg;
6126 struct nl80211_sta_flag_update upd;
a862e4a3 6127 int ret;
2eef5177
JM		 6128
6129 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
6130 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
6131 return 0;
6132 }
01652550 6133
1ba51ec0
JM		 6134 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
6135 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
6136
01652550
JM		 6137 os_memset(&upd, 0, sizeof(upd));
6138 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
6139 if (authorized)
6140 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 6141
13f83980 6142 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 6143 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
6144 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
6145 nlmsg_free(msg);
6146 return -ENOBUFS;
6147 }
01652550 6148
2eef5177 6149 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM		 6150 if (!ret)
6151 return 0;
2eef5177
JM		 6152 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
6153 ret, strerror(-ret));
6154 return ret;
01652550
JM		 6155}
6156
3f5285e8 6157
f07ead6a
JM		 6158/* Set kernel driver on given frequency (MHz) */
6159static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 6160{
f07ead6a 6161 struct i802_bss *bss = priv;
13a524a3 6162 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 6163}
6164
f7b3920c 6165
c5121837
JM		 6166static inline int min_int(int a, int b)
6167{
6168 if (a < b)
6169 return a;
6170 return b;
6171}
6172
6173
6174static int get_key_handler(struct nl_msg *msg, void *arg)
6175{
6176 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6177 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6178
6179 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6180 genlmsg_attrlen(gnlh, 0), NULL);
6181
6182 /*
6183 * TODO: validate the key index and mac address!
6184 * Otherwise, there's a race condition as soon as
6185 * the kernel starts sending key notifications.
6186 */
6187
6188 if (tb[NL80211_ATTR_KEY_SEQ])
6189 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
6190 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
4efade31 6191 nl80211_nlmsg_clear(msg);
c5121837
JM		 6192 return NL_SKIP;
6193}
6194
6195
6196static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
6197 int idx, u8 *seq)
6198{
a2e40bb6
FF		 6199 struct i802_bss *bss = priv;
6200 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6201 struct nl_msg *msg;
6202
95376e1a
JM		 6203 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
6204 NL80211_CMD_GET_KEY);
6205 if (!msg ||
a862e4a3 6206 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 6207 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM		 6208 nlmsg_free(msg);
6209 return -ENOBUFS;
6210 }
c5121837
JM		 6211
6212 memset(seq, 0, 6);
6213
6214 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM		 6215}
6216
6217
c5121837
JM		 6218static int i802_set_rts(void *priv, int rts)
6219{
a2e40bb6
FF		 6220 struct i802_bss *bss = priv;
6221 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6222 struct nl_msg *msg;
a862e4a3 6223 int ret;
ad649451 6224 u32 val;
c5121837 6225
bf0021ed 6226 if (rts >= 2347 || rts == -1)
ad649451
JM		 6227 val = (u32) -1;
6228 else
6229 val = rts;
c5121837 6230
9725b784 6231 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 6232 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
6233 nlmsg_free(msg);
6234 return -ENOBUFS;
6235 }
ad649451
JM		 6236
6237 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6238 if (!ret)
6239 return 0;
ad649451
JM		 6240 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
6241 "%d (%s)", rts, ret, strerror(-ret));
6242 return ret;
c5121837
JM		 6243}
6244
6245
6246static int i802_set_frag(void *priv, int frag)
6247{
a2e40bb6
FF		 6248 struct i802_bss *bss = priv;
6249 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6250 struct nl_msg *msg;
a862e4a3 6251 int ret;
ad649451 6252 u32 val;
c5121837 6253
bf0021ed 6254 if (frag >= 2346 || frag == -1)
ad649451
JM		 6255 val = (u32) -1;
6256 else
6257 val = frag;
c5121837 6258
9725b784 6259 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 6260 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
6261 nlmsg_free(msg);
6262 return -ENOBUFS;
6263 }
ad649451
JM		 6264
6265 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6266 if (!ret)
6267 return 0;
ad649451
JM		 6268 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
6269 "%d: %d (%s)", frag, ret, strerror(-ret));
6270 return ret;
c5121837
JM		 6271}
6272
6273
c5121837
JM		 6274static int i802_flush(void *priv)
6275{
a2e40bb6 6276 struct i802_bss *bss = priv;
c5121837 6277 struct nl_msg *msg;
82554b10 6278 int res;
c5121837 6279
83e7bb0e
JM		 6280 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
6281 bss->ifname);
c5121837
JM		 6282
6283 /*
6284 * XXX: FIX! this needs to flush all VLANs too
6285 */
13f83980
JM		 6286 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
6287 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM		 6288 if (res) {
6289 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
6290 "(%s)", res, strerror(-res));
6291 }
6292 return res;
c5121837
JM		 6293}
6294
6295
1d6f6385
THJ		 6296static void get_sta_tid_stats(struct hostap_sta_driver_data *data,
6297 struct nlattr *attr)
6298{
6299 struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr;
6300 struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1];
6301 static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = {
6302 [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 },
6303 [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 },
6304 };
6305 int rem;
6306
6307 nla_for_each_nested(tidattr, attr, rem) {
6308 if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX,
6309 tidattr, NULL) != 0 ||
6310 !tid_stats[NL80211_TID_STATS_TXQ_STATS] ||
6311 nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX,
6312 tid_stats[NL80211_TID_STATS_TXQ_STATS],
6313 txq_stats_policy) != 0)
6314 continue;
6315 /* sum the backlogs over all TIDs for station */
6316 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES])
6317 data->backlog_bytes += nla_get_u32(
6318 txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]);
6319 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS])
6320 data->backlog_bytes += nla_get_u32(
6321 txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]);
6322 }
6323}
6324
6325
c5121837
JM		 6326static int get_sta_handler(struct nl_msg *msg, void *arg)
6327{
6328 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6329 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6330 struct hostap_sta_driver_data *data = arg;
6331 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
6332 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
6333 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
6334 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
6335 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
6336 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
6337 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 6338 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
43022abd
NL		 6339 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
6340 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
3567641e 6341 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
72123a84 6342 [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 },
58d4c236
THJ		 6343 [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
6344 [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 },
3567641e 6345 };
6346 struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
6347 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
6348 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
6349 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
6350 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
6351 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
6352 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
6353 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
c5121837
JM		 6354 };
6355
6356 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6357 genlmsg_attrlen(gnlh, 0), NULL);
6358
6359 /*
6360 * TODO: validate the interface and mac address!
6361 * Otherwise, there's a race condition as soon as
6362 * the kernel starts sending station notifications.
6363 */
6364
6365 if (!tb[NL80211_ATTR_STA_INFO]) {
6366 wpa_printf(MSG_DEBUG, "sta stats missing!");
6367 return NL_SKIP;
6368 }
6369 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
6370 tb[NL80211_ATTR_STA_INFO],
6371 stats_policy)) {
6372 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
6373 return NL_SKIP;
6374 }
6375
6376 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
6377 data->inactive_msec =
6378 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
43022abd 6379 /* For backwards compatibility, fetch the 32-bit counters first. */
c5121837
JM		 6380 if (stats[NL80211_STA_INFO_RX_BYTES])
6381 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
6382 if (stats[NL80211_STA_INFO_TX_BYTES])
6383 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
43022abd
NL		 6384 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
6385 stats[NL80211_STA_INFO_TX_BYTES64]) {
6386 /*
6387 * The driver supports 64-bit counters, so use them to override
6388 * the 32-bit values.
6389 */
6390 data->rx_bytes =
6391 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
6392 data->tx_bytes =
6393 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
6394 data->bytes_64bit = 1;
6395 }
c5121837
JM		 6396 if (stats[NL80211_STA_INFO_RX_PACKETS])
6397 data->rx_packets =
6398 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
6399 if (stats[NL80211_STA_INFO_TX_PACKETS])
6400 data->tx_packets =
6401 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
58d4c236
THJ		 6402 if (stats[NL80211_STA_INFO_RX_DURATION])
6403 data->rx_airtime =
6404 nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]);
6405 if (stats[NL80211_STA_INFO_TX_DURATION])
6406 data->tx_airtime =
6407 nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]);
dc7785f8
YZ		 6408 if (stats[NL80211_STA_INFO_TX_FAILED])
6409 data->tx_retry_failed =
6410 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
3567641e 6411 if (stats[NL80211_STA_INFO_SIGNAL])
6412 data->signal = nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
72123a84
BP		 6413 if (stats[NL80211_STA_INFO_ACK_SIGNAL]) {
6414 data->last_ack_rssi =
6415 nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]);
6416 data->flags |= STA_DRV_DATA_LAST_ACK_RSSI;
6417 }
3567641e 6418
6419 if (stats[NL80211_STA_INFO_TX_BITRATE] &&
6420 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6421 stats[NL80211_STA_INFO_TX_BITRATE],
6422 rate_policy) == 0) {
6423 if (rate[NL80211_RATE_INFO_BITRATE32])
6424 data->current_tx_rate =
6425 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6426 else if (rate[NL80211_RATE_INFO_BITRATE])
6427 data->current_tx_rate =
6428 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6429
6430 if (rate[NL80211_RATE_INFO_MCS]) {
6431 data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6432 data->flags |= STA_DRV_DATA_TX_MCS;
6433 }
6434 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6435 data->tx_vhtmcs =
6436 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6437 data->flags |= STA_DRV_DATA_TX_VHT_MCS;
6438 }
6439 if (rate[NL80211_RATE_INFO_SHORT_GI])
6440 data->flags |= STA_DRV_DATA_TX_SHORT_GI;
6441 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6442 data->tx_vht_nss =
6443 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6444 data->flags |= STA_DRV_DATA_TX_VHT_NSS;
6445 }
6446 }
6447
6448 if (stats[NL80211_STA_INFO_RX_BITRATE] &&
6449 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6450 stats[NL80211_STA_INFO_RX_BITRATE],
6451 rate_policy) == 0) {
6452 if (rate[NL80211_RATE_INFO_BITRATE32])
6453 data->current_rx_rate =
6454 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6455 else if (rate[NL80211_RATE_INFO_BITRATE])
6456 data->current_rx_rate =
6457 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6458
6459 if (rate[NL80211_RATE_INFO_MCS]) {
6460 data->rx_mcs =
6461 nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6462 data->flags |= STA_DRV_DATA_RX_MCS;
6463 }
6464 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6465 data->rx_vhtmcs =
6466 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6467 data->flags |= STA_DRV_DATA_RX_VHT_MCS;
6468 }
6469 if (rate[NL80211_RATE_INFO_SHORT_GI])
6470 data->flags |= STA_DRV_DATA_RX_SHORT_GI;
6471 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6472 data->rx_vht_nss =
6473 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6474 data->flags |= STA_DRV_DATA_RX_VHT_NSS;
6475 }
6476 }
c5121837 6477
1d6f6385
THJ		 6478 if (stats[NL80211_STA_INFO_TID_STATS])
6479 get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]);
6480
c5121837
JM		 6481 return NL_SKIP;
6482}
6483
9ebce9c5
JM		 6484static int i802_read_sta_data(struct i802_bss *bss,
6485 struct hostap_sta_driver_data *data,
c5121837
JM		 6486 const u8 *addr)
6487{
c5121837
JM		 6488 struct nl_msg *msg;
6489
13f83980
JM		 6490 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
6491 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM		 6492 nlmsg_free(msg);
6493 return -ENOBUFS;
6494 }
c5121837 6495
13f83980 6496 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM		 6497}
6498
6499
c5121837
JM		 6500static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
6501 int cw_min, int cw_max, int burst_time)
6502{
a2e40bb6
FF		 6503 struct i802_bss *bss = priv;
6504 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6505 struct nl_msg *msg;
6506 struct nlattr *txq, *params;
bd512469 6507 int res;
c5121837 6508
13f83980 6509 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM		 6510 if (!msg)
6511 return -1;
6512
c5121837
JM		 6513 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
6514 if (!txq)
a862e4a3 6515 goto fail;
c5121837
JM		 6516
6517 /* We are only sending parameters for a single TXQ at a time */
6518 params = nla_nest_start(msg, 1);
6519 if (!params)
a862e4a3 6520 goto fail;
c5121837 6521
7e3c1781
JM		 6522 switch (queue) {
6523 case 0:
a862e4a3
JM		 6524 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
6525 goto fail;
7e3c1781
JM		 6526 break;
6527 case 1:
a862e4a3
JM		 6528 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
6529 goto fail;
7e3c1781
JM		 6530 break;
6531 case 2:
a862e4a3
JM		 6532 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
6533 goto fail;
7e3c1781
JM		 6534 break;
6535 case 3:
a862e4a3
JM		 6536 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
6537 goto fail;
7e3c1781
JM		 6538 break;
6539 }
c5121837
JM		 6540 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
6541 * 32 usec, so need to convert the value here. */
a862e4a3
JM		 6542 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
6543 (burst_time * 100 + 16) / 32) ||
6544 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
6545 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
6546 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
6547 goto fail;
c5121837
JM		 6548
6549 nla_nest_end(msg, params);
6550
6551 nla_nest_end(msg, txq);
6552
bd512469
JM		 6553 res = send_and_recv_msgs(drv, msg, NULL, NULL);
6554 wpa_printf(MSG_DEBUG,
6555 "nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
6556 queue, aifs, cw_min, cw_max, burst_time, res);
6557 if (res == 0)
c5121837 6558 return 0;
9e088e74 6559 msg = NULL;
a862e4a3 6560fail:
9e088e74 6561 nlmsg_free(msg);
c5121837
JM		 6562 return -1;
6563}
6564
6565
9ebce9c5 6566static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 6567 const char *ifname, int vlan_id)
6568{
a2e40bb6 6569 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6570 struct nl_msg *msg;
a862e4a3 6571 int ret;
c5121837 6572
bbc706a3
JM		 6573 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
6574 ", ifname=%s[%d], vlan_id=%d)",
6575 bss->ifname, if_nametoindex(bss->ifname),
6576 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 6577 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 6578 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6579 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
6580 nlmsg_free(msg);
6581 return -ENOBUFS;
6582 }
c5121837 6583
cd1d72c1
JM		 6584 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6585 if (ret < 0) {
6586 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
6587 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
6588 MAC2STR(addr), ifname, vlan_id, ret,
6589 strerror(-ret));
6590 }
cd1d72c1 6591 return ret;
c5121837
JM		 6592}
6593
fbbfcbac 6594
c5121837
JM		 6595static int i802_get_inact_sec(void *priv, const u8 *addr)
6596{
6597 struct hostap_sta_driver_data data;
6598 int ret;
6599
7824bf77 6600 os_memset(&data, 0, sizeof(data));
c5121837
JM		 6601 data.inactive_msec = (unsigned long) -1;
6602 ret = i802_read_sta_data(priv, &data, addr);
b9749bac
MH		 6603 if (ret == -ENOENT)
6604 return -ENOENT;
c5121837
JM		 6605 if (ret || data.inactive_msec == (unsigned long) -1)
6606 return -1;
6607 return data.inactive_msec / 1000;
6608}
6609
6610
6611static int i802_sta_clear_stats(void *priv, const u8 *addr)
6612{
6613#if 0
6614 /* TODO */
6615#endif
6616 return 0;
6617}
6618
6619
731723a5 6620static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6621 u16 reason)
c5121837 6622{
a2e40bb6 6623 struct i802_bss *bss = priv;
e1bd4e19 6624 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6625 struct ieee80211_mgmt mgmt;
05e5e615
DL		 6626 u8 channel;
6627
6628 if (ieee80211_freq_to_chan(bss->freq, &channel) ==
6629 HOSTAPD_MODE_IEEE80211AD) {
6630 /* Deauthentication is not used in DMG/IEEE 802.11ad;
6631 * disassociate the STA instead. */
6632 return i802_sta_disassoc(priv, own_addr, addr, reason);
6633 }
c5121837 6634
0d391b03
BC		 6635 if (is_mesh_interface(drv->nlmode))
6636 return -1;
6637
e1bd4e19 6638 if (drv->device_ap_sme)
59d7148a 6639 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 6640
c5121837
JM		 6641 memset(&mgmt, 0, sizeof(mgmt));
6642 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6643 WLAN_FC_STYPE_DEAUTH);
6644 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6645 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6646 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6647 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 6648 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6649 IEEE80211_HDRLEN +
9ebce9c5 6650 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
2d3943ce 6651 0, NULL, 0);
c5121837
JM		 6652}
6653
6654
731723a5 6655static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6656 u16 reason)
c5121837 6657{
a2e40bb6 6658 struct i802_bss *bss = priv;
e1bd4e19 6659 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6660 struct ieee80211_mgmt mgmt;
6661
0d391b03
BC		 6662 if (is_mesh_interface(drv->nlmode))
6663 return -1;
6664
e1bd4e19 6665 if (drv->device_ap_sme)
59d7148a 6666 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 6667
c5121837
JM		 6668 memset(&mgmt, 0, sizeof(mgmt));
6669 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6670 WLAN_FC_STYPE_DISASSOC);
6671 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6672 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6673 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6674 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 6675 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6676 IEEE80211_HDRLEN +
9ebce9c5 6677 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
2d3943ce 6678 0, NULL, 0);
c5121837
JM		 6679}
6680
6681
9b4d9c8b
JM		 6682static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
6683{
6684 char buf[200], *pos, *end;
6685 int i, res;
6686
6687 pos = buf;
6688 end = pos + sizeof(buf);
6689
6690 for (i = 0; i < drv->num_if_indices; i++) {
099224c1 6691 if (!drv->if_indices[i].ifindex)
9b4d9c8b 6692 continue;
732b1d20 6693 res = os_snprintf(pos, end - pos, " %d(%d)",
099224c1
JM		 6694 drv->if_indices[i].ifindex,
6695 drv->if_indices[i].reason);
d85e1fc8 6696 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM		 6697 break;
6698 pos += res;
6699 }
6700 *pos = '\0';
6701
6702 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
6703 drv->num_if_indices, buf);
6704}
6705
6706
732b1d20
MB		 6707static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6708 int ifidx_reason)
f07ead6a
JM		 6709{
6710 int i;
099224c1 6711 struct drv_nl80211_if_info *old;
f07ead6a 6712
732b1d20
MB		 6713 wpa_printf(MSG_DEBUG,
6714 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
6715 ifidx, ifidx_reason);
6716 if (have_ifidx(drv, ifidx, ifidx_reason)) {
b36935be
MB		 6717 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
6718 ifidx);
6719 return;
6720 }
f07ead6a 6721 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM		 6722 if (drv->if_indices[i].ifindex == 0) {
6723 drv->if_indices[i].ifindex = ifidx;
6724 drv->if_indices[i].reason = ifidx_reason;
9b4d9c8b 6725 dump_ifidx(drv);
f07ead6a
JM		 6726 return;
6727 }
6728 }
6729
6730 if (drv->if_indices != drv->default_if_indices)
6731 old = drv->if_indices;
6732 else
6733 old = NULL;
6734
067ffa26 6735 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
099224c1 6736 sizeof(*old));
f07ead6a
JM		 6737 if (!drv->if_indices) {
6738 if (!old)
6739 drv->if_indices = drv->default_if_indices;
6740 else
6741 drv->if_indices = old;
6742 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
6743 "interfaces");
6744 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
6745 return;
732b1d20
MB		 6746 }
6747 if (!old)
f07ead6a
JM		 6748 os_memcpy(drv->if_indices, drv->default_if_indices,
6749 sizeof(drv->default_if_indices));
099224c1
JM		 6750 drv->if_indices[drv->num_if_indices].ifindex = ifidx;
6751 drv->if_indices[drv->num_if_indices].reason = ifidx_reason;
f07ead6a 6752 drv->num_if_indices++;
9b4d9c8b 6753 dump_ifidx(drv);
f07ead6a
JM		 6754}
6755
6756
732b1d20
MB		 6757static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6758 int ifidx_reason)
f07ead6a
JM		 6759{
6760 int i;
6761
6762 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM		 6763 if ((drv->if_indices[i].ifindex == ifidx ||
6764 ifidx == IFIDX_ANY) &&
6765 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6766 ifidx_reason == IFIDX_ANY)) {
099224c1
JM		 6767 drv->if_indices[i].ifindex = 0;
6768 drv->if_indices[i].reason = 0;
f07ead6a
JM		 6769 break;
6770 }
6771 }
9b4d9c8b 6772 dump_ifidx(drv);
f07ead6a
JM		 6773}
6774
6775
732b1d20
MB		 6776static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6777 int ifidx_reason)
f07ead6a
JM		 6778{
6779 int i;
6780
6781 for (i = 0; i < drv->num_if_indices; i++)
099224c1
JM		 6782 if (drv->if_indices[i].ifindex == ifidx &&
6783 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6784 ifidx_reason == IFIDX_ANY))
f07ead6a
JM		 6785 return 1;
6786
6787 return 0;
6788}
6789
6790
6791static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 6792 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 6793{
6794 struct i802_bss *bss = priv;
6795 struct wpa_driver_nl80211_data *drv = bss->drv;
6796 char name[IFNAMSIZ + 1];
1952b626 6797 union wpa_event_data event;
d577f7f3
AO		 6798 int ret;
6799
6800 ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
6801 if (ret >= (int) sizeof(name))
6802 wpa_printf(MSG_WARNING,
6803 "nl80211: WDS interface name was truncated");
6804 else if (ret < 0)
6805 return ret;
f07ead6a 6806
69dd2967
SM		 6807 if (ifname_wds)
6808 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
6809
f07ead6a
JM		 6810 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
6811 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
6812 if (val) {
6813 if (!if_nametoindex(name)) {
6814 if (nl80211_create_iface(drv, name,
6815 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 6816 bss->addr, 1, NULL, NULL, 0) <
6817 0)
f07ead6a
JM		 6818 return -1;
6819 if (bridge_ifname &&
c81eff1a
BG		 6820 linux_br_add_if(drv->global->ioctl_sock,
6821 bridge_ifname, name) < 0)
f07ead6a 6822 return -1;
1952b626
BP		 6823
6824 os_memset(&event, 0, sizeof(event));
6825 event.wds_sta_interface.sta_addr = addr;
6826 event.wds_sta_interface.ifname = name;
6827 event.wds_sta_interface.istatus = INTERFACE_ADDED;
8bfbb295 6828 wpa_supplicant_event(bss->ctx,
1952b626
BP		 6829 EVENT_WDS_STA_INTERFACE_STATUS,
6830 &event);
f07ead6a 6831 }
75227f3a
JM		 6832 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
6833 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
6834 "interface %s up", name);
6835 }
f07ead6a
JM		 6836 return i802_set_sta_vlan(priv, addr, name, 0);
6837 } else {
f9052d6e
JM		 6838 if (bridge_ifname &&
6839 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
6840 name) < 0)
6841 wpa_printf(MSG_INFO,
6842 "nl80211: Failed to remove interface %s from bridge %s: %s",
6843 name, bridge_ifname, strerror(errno));
c34e618d 6844
f07ead6a 6845 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25 6846 nl80211_remove_iface(drv, if_nametoindex(name));
1952b626
BP		 6847 os_memset(&event, 0, sizeof(event));
6848 event.wds_sta_interface.sta_addr = addr;
6849 event.wds_sta_interface.ifname = name;
6850 event.wds_sta_interface.istatus = INTERFACE_REMOVED;
8bfbb295 6851 wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS,
1952b626 6852 &event);
d0595b25 6853 return 0;
f07ead6a
JM		 6854 }
6855}
6856
6857
6858static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
6859{
6860 struct wpa_driver_nl80211_data *drv = eloop_ctx;
6861 struct sockaddr_ll lladdr;
6862 unsigned char buf[3000];
6863 int len;
6864 socklen_t fromlen = sizeof(lladdr);
6865
6866 len = recvfrom(sock, buf, sizeof(buf), 0,
6867 (struct sockaddr *)&lladdr, &fromlen);
6868 if (len < 0) {
7ac3616d
JM		 6869 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
6870 strerror(errno));
f07ead6a
JM		 6871 return;
6872 }
6873
732b1d20 6874 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
f07ead6a
JM		 6875 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
6876}
6877
6878
94627f6c 6879static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 6880 struct i802_bss *bss,
94627f6c
JM		 6881 const char *brname, const char *ifname)
6882{
6c6678e7 6883 int br_ifindex;
94627f6c
JM		 6884 char in_br[IFNAMSIZ];
6885
e17a2477 6886 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 6887 br_ifindex = if_nametoindex(brname);
6c6678e7 6888 if (br_ifindex == 0) {
94627f6c
JM		 6889 /*
6890 * Bridge was configured, but the bridge device does
6891 * not exist. Try to add it now.
6892 */
c81eff1a 6893 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 6894 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
6895 "bridge interface %s: %s",
6896 brname, strerror(errno));
6897 return -1;
6898 }
e17a2477 6899 bss->added_bridge = 1;
8997613c 6900 br_ifindex = if_nametoindex(brname);
732b1d20 6901 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 6902 }
8997613c 6903 bss->br_ifindex = br_ifindex;
94627f6c
JM		 6904
6905 if (linux_br_get(in_br, ifname) == 0) {
c809756f
SM		 6906 if (os_strcmp(in_br, brname) == 0) {
6907 bss->already_in_bridge = 1;
94627f6c 6908 return 0; /* already in the bridge */
c809756f 6909 }
94627f6c
JM		 6910
6911 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
6912 "bridge %s", ifname, in_br);
c81eff1a
BG		 6913 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
6914 0) {
94627f6c
JM		 6915 wpa_printf(MSG_ERROR, "nl80211: Failed to "
6916 "remove interface %s from bridge "
6917 "%s: %s",
fdbfb63e 6918 ifname, in_br, strerror(errno));
94627f6c
JM		 6919 return -1;
6920 }
6921 }
6922
6923 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
6924 ifname, brname);
c81eff1a 6925 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 6926 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
6927 "into bridge %s: %s",
6928 ifname, brname, strerror(errno));
6929 return -1;
6930 }
e17a2477 6931 bss->added_if_into_bridge = 1;
94627f6c
JM		 6932
6933 return 0;
6934}
6935
6936
92f475b4
JM		 6937static void *i802_init(struct hostapd_data *hapd,
6938 struct wpa_init_params *params)
c5121837
JM		 6939{
6940 struct wpa_driver_nl80211_data *drv;
a2e40bb6 6941 struct i802_bss *bss;
c5121837 6942 size_t i;
cb05808c
AN		 6943 char master_ifname[IFNAMSIZ];
6944 int ifindex, br_ifindex = 0;
94627f6c 6945 int br_added = 0;
c5121837 6946
0d547d5f
JM		 6947 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
6948 params->global_priv, 1,
0ecff8d7 6949 params->bssid, params->driver_params);
a2e40bb6 6950 if (bss == NULL)
c5121837 6951 return NULL;
c5121837 6952
a2e40bb6 6953 drv = bss->drv;
7635bfb0 6954
cb05808c 6955 if (linux_br_get(master_ifname, params->ifname) == 0) {
94627f6c 6956 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
cb05808c
AN		 6957 params->ifname, master_ifname);
6958 br_ifindex = if_nametoindex(master_ifname);
6959 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6960 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
6961 linux_master_get(master_ifname, params->ifname) == 0) {
6962 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
6963 params->ifname, master_ifname);
6964 /* start listening for EAPOL on the master interface */
732b1d20 6965 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
f2d6c17a
DL		 6966
6967 /* check if master itself is under bridge */
6968 if (linux_br_get(master_ifname, master_ifname) == 0) {
6969 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
6970 master_ifname);
6971 br_ifindex = if_nametoindex(master_ifname);
6972 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6973 }
94627f6c 6974 } else {
cb05808c 6975 master_ifname[0] = '\0';
94627f6c 6976 }
cb05808c 6977
6c6678e7 6978 bss->br_ifindex = br_ifindex;
94627f6c 6979
92f475b4 6980 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 6981 if (params->bridge[i]) {
6982 ifindex = if_nametoindex(params->bridge[i]);
6983 if (ifindex)
732b1d20 6984 add_ifidx(drv, ifindex, drv->ifindex);
94627f6c
JM		 6985 if (ifindex == br_ifindex)
6986 br_added = 1;
6987 }
c5121837 6988 }
c5121837 6989
ad1e68e6 6990 /* start listening for EAPOL on the default AP interface */
732b1d20 6991 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
ad1e68e6 6992
5ef8e39f
JM		 6993 if (params->num_bridge && params->bridge[0]) {
6994 if (i802_check_bridge(drv, bss, params->bridge[0],
6995 params->ifname) < 0)
6996 goto failed;
cb05808c 6997 if (os_strcmp(params->bridge[0], master_ifname) != 0)
5ef8e39f
JM		 6998 br_added = 1;
6999 }
7000
7001 if (!br_added && br_ifindex &&
7002 (params->num_bridge == 0 || !params->bridge[0]))
732b1d20 7003 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 7004
97ed9a06 7005#ifdef CONFIG_LIBNL3_ROUTE
c809756f 7006 if (bss->added_if_into_bridge || bss->already_in_bridge) {
97ed9a06
KP		 7007 drv->rtnl_sk = nl_socket_alloc();
7008 if (drv->rtnl_sk == NULL) {
7009 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
7010 goto failed;
7011 }
7012
7013 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
7014 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
7015 strerror(errno));
7016 goto failed;
7017 }
7018 }
7019#endif /* CONFIG_LIBNL3_ROUTE */
7020
ad1e68e6
JM		 7021 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
7022 if (drv->eapol_sock < 0) {
7ac3616d
JM		 7023 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
7024 strerror(errno));
bbaf0837 7025 goto failed;
ad1e68e6
JM		 7026 }
7027
7028 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
7029 {
7ac3616d 7030 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 7031 goto failed;
ad1e68e6
JM		 7032 }
7033
c81eff1a
BG		 7034 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
7035 params->own_addr))
bbaf0837 7036 goto failed;
fee354c7 7037 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 7038
341eebee
JB		 7039 memcpy(bss->addr, params->own_addr, ETH_ALEN);
7040
a2e40bb6 7041 return bss;
c5121837
JM		 7042
7043failed:
7635bfb0 7044 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 7045 return NULL;
7046}
c5121837 7047
c5121837 7048
bbaf0837
JM		 7049static void i802_deinit(void *priv)
7050{
9ebce9c5
JM		 7051 struct i802_bss *bss = priv;
7052 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 7053}
7054
c5121837 7055
22a7c9d7
JM		 7056static enum nl80211_iftype wpa_driver_nl80211_if_type(
7057 enum wpa_driver_if_type type)
7058{
7059 switch (type) {
7060 case WPA_IF_STATION:
9f51b113 7061 return NL80211_IFTYPE_STATION;
75bde05d
JM		 7062 case WPA_IF_P2P_CLIENT:
7063 case WPA_IF_P2P_GROUP:
9f51b113 7064 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 7065 case WPA_IF_AP_VLAN:
7066 return NL80211_IFTYPE_AP_VLAN;
7067 case WPA_IF_AP_BSS:
7068 return NL80211_IFTYPE_AP;
9f51b113
JB		 7069 case WPA_IF_P2P_GO:
7070 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 7071 case WPA_IF_P2P_DEVICE:
7072 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH		 7073 case WPA_IF_MESH:
7074 return NL80211_IFTYPE_MESH_POINT;
98342208
AK		 7075 default:
7076 return -1;
22a7c9d7 7077 }
22a7c9d7
JM		 7078}
7079
7080
f2ed8023
JM		 7081static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
7082{
7083 struct wpa_driver_nl80211_data *drv;
7084 dl_list_for_each(drv, &global->interfaces,
7085 struct wpa_driver_nl80211_data, list) {
834ee56f 7086 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 7087 return 1;
7088 }
7089 return 0;
7090}
7091
7092
5b78493f 7093static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM		 7094{
7095 unsigned int idx;
7096
7097 if (!drv->global)
7098 return -1;
7099
834ee56f 7100 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 7101 for (idx = 0; idx < 64; idx++) {
834ee56f 7102 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 7103 new_addr[0] ^= idx << 2;
7104 if (!nl80211_addr_in_use(drv->global, new_addr))
7105 break;
7106 }
7107 if (idx == 64)
7108 return -1;
7109
5b78493f 7110 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM		 7111 MACSTR, MAC2STR(new_addr));
7112
7113 return 0;
7114}
7115
7116
f632e483
AS		 7117struct wdev_info {
7118 u64 wdev_id;
7119 int wdev_id_set;
7120 u8 macaddr[ETH_ALEN];
7121};
7122
7123static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 7124{
7125 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7126 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 7127 struct wdev_info *wi = arg;
e472e1b4
AS		 7128
7129 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7130 genlmsg_attrlen(gnlh, 0), NULL);
7131 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 7132 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
7133 wi->wdev_id_set = 1;
e472e1b4
AS		 7134 }
7135
7136 if (tb[NL80211_ATTR_MAC])
f632e483 7137 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 7138 ETH_ALEN);
7139
7140 return NL_SKIP;
7141}
7142
7143
7ab68865 7144static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 7145 const char *ifname, const u8 *addr,
f3585c8a 7146 void *bss_ctx, void **drv_priv,
e17a2477 7147 char *force_ifname, u8 *if_addr,
d8a3b66d
AS		 7148 const char *bridge, int use_existing,
7149 int setup_ap)
22a7c9d7 7150{
e472e1b4 7151 enum nl80211_iftype nlmode;
a2e40bb6
FF		 7152 struct i802_bss *bss = priv;
7153 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 7154 int ifidx;
2aec4f3c 7155 int added = 1;
22a7c9d7 7156
f3585c8a
JM		 7157 if (addr)
7158 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 7159 nlmode = wpa_driver_nl80211_if_type(type);
7160 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 7161 struct wdev_info p2pdev_info;
7162
7163 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 7164 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 7165 0, nl80211_wdev_handler,
2aec4f3c 7166 &p2pdev_info, use_existing);
f632e483 7167 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 7168 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
7169 ifname);
e472e1b4
AS		 7170 return -1;
7171 }
f632e483
AS		 7172
7173 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
7174 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
7175 if (!is_zero_ether_addr(p2pdev_info.macaddr))
7176 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
7177 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
7178 ifname,
7179 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 7180 } else {
7181 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 7182 0, NULL, NULL, use_existing);
7183 if (use_existing && ifidx == -ENFILE) {
7184 added = 0;
7185 ifidx = if_nametoindex(ifname);
7186 } else if (ifidx < 0) {
e472e1b4
AS		 7187 return -1;
7188 }
22a7c9d7
JM		 7189 }
7190
ab7a1add 7191 if (!addr) {
8ea8a89c 7192 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
ab7a1add
AS		 7193 os_memcpy(if_addr, bss->addr, ETH_ALEN);
7194 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8ea8a89c 7195 ifname, if_addr) < 0) {
2aec4f3c
JM		 7196 if (added)
7197 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 7198 return -1;
7199 }
c55f774d
JM		 7200 }
7201
c55f774d
JM		 7202 if (!addr &&
7203 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8ea8a89c
JM		 7204 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
7205 type == WPA_IF_STATION)) {
7206 /* Enforce unique address */
ab7a1add 7207 u8 new_addr[ETH_ALEN];
c55f774d 7208
ab7a1add 7209 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 7210 new_addr) < 0) {
ea39367c
MK		 7211 if (added)
7212 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7213 return -1;
7214 }
f608081c 7215 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 7216 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8ea8a89c 7217 "for interface %s type %d", ifname, type);
5b78493f 7218 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK		 7219 if (added)
7220 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7221 return -1;
7222 }
c81eff1a 7223 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 7224 new_addr) < 0) {
ea39367c
MK		 7225 if (added)
7226 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7227 return -1;
7228 }
c55f774d 7229 }
f67eeb5c 7230 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 7231 }
f3585c8a 7232
d8a3b66d 7233 if (type == WPA_IF_AP_BSS && setup_ap) {
f5eb9da3
JM		 7234 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
7235 if (new_bss == NULL) {
2aec4f3c
JM		 7236 if (added)
7237 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 7238 return -1;
7239 }
7240
7241 if (bridge &&
7242 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
7243 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
7244 "interface %s to a bridge %s",
7245 ifname, bridge);
2aec4f3c
JM		 7246 if (added)
7247 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 7248 os_free(new_bss);
7249 return -1;
7250 }
7251
c81eff1a
BG		 7252 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
7253 {
ea39367c
MK		 7254 if (added)
7255 nl80211_remove_iface(drv, ifidx);
07179987 7256 os_free(new_bss);
22a7c9d7
JM		 7257 return -1;
7258 }
a2e40bb6 7259 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 7260 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 7261 new_bss->ifindex = ifidx;
7262 new_bss->drv = drv;
834ee56f
KP		 7263 new_bss->next = drv->first_bss->next;
7264 new_bss->freq = drv->first_bss->freq;
a5e1eb20 7265 new_bss->ctx = bss_ctx;
2aec4f3c 7266 new_bss->added_if = added;
834ee56f 7267 drv->first_bss->next = new_bss;
a2e40bb6
FF		 7268 if (drv_priv)
7269 *drv_priv = new_bss;
cc7a48d1 7270 nl80211_init_bss(new_bss);
3dd1d890
YAP		 7271
7272 /* Subscribe management frames for this WPA_IF_AP_BSS */
7273 if (nl80211_setup_ap(new_bss))
7274 return -1;
22a7c9d7 7275 }
22a7c9d7 7276
ff6a158b
JM		 7277 if (drv->global)
7278 drv->global->if_add_ifindex = ifidx;
7279
d1bb7aed
JJ		 7280 /*
7281 * Some virtual interfaces need to process EAPOL packets and events on
7282 * the parent interface. This is used mainly with hostapd.
7283 */
7284 if (ifidx > 0 &&
7285 (drv->hostapd ||
7286 nlmode == NL80211_IFTYPE_AP_VLAN ||
7287 nlmode == NL80211_IFTYPE_WDS ||
7288 nlmode == NL80211_IFTYPE_MONITOR))
732b1d20 7289 add_ifidx(drv, ifidx, IFIDX_ANY);
b36935be 7290
22a7c9d7
JM		 7291 return 0;
7292}
7293
7294
9ebce9c5 7295static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 7296 enum wpa_driver_if_type type,
7297 const char *ifname)
7298{
a2e40bb6 7299 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 7300 int ifindex = if_nametoindex(ifname);
7301
2aec4f3c
JM		 7302 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
7303 __func__, type, ifname, ifindex, bss->added_if);
158b090c 7304 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 7305 nl80211_remove_iface(drv, ifindex);
de884303
JM		 7306 else if (ifindex > 0 && !bss->added_if) {
7307 struct wpa_driver_nl80211_data *drv2;
7308 dl_list_for_each(drv2, &drv->global->interfaces,
732b1d20
MB		 7309 struct wpa_driver_nl80211_data, list) {
7310 del_ifidx(drv2, ifindex, IFIDX_ANY);
7311 del_ifidx(drv2, IFIDX_ANY, ifindex);
7312 }
de884303 7313 }
c34e618d 7314
c34e618d
FF		 7315 if (type != WPA_IF_AP_BSS)
7316 return 0;
7317
e17a2477 7318 if (bss->added_if_into_bridge) {
c81eff1a
BG		 7319 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
7320 bss->ifname) < 0)
e17a2477
JM		 7321 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7322 "interface %s from bridge %s: %s",
7323 bss->ifname, bss->brname, strerror(errno));
7324 }
7325 if (bss->added_bridge) {
c81eff1a 7326 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 7327 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7328 "bridge %s: %s",
7329 bss->brname, strerror(errno));
7330 }
a2e40bb6 7331
834ee56f 7332 if (bss != drv->first_bss) {
8546ea19 7333 struct i802_bss *tbss;
a2e40bb6 7334
2aec4f3c 7335 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 7336 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 7337 if (tbss->next == bss) {
7338 tbss->next = bss->next;
3dd1d890
YAP		 7339 /* Unsubscribe management frames */
7340 nl80211_teardown_ap(bss);
cc7a48d1 7341 nl80211_destroy_bss(bss);
5c9da160
MB		 7342 if (!bss->added_if)
7343 i802_set_iface_flags(bss, 0);
8546ea19
JM		 7344 os_free(bss);
7345 bss = NULL;
7346 break;
7347 }
22a7c9d7 7348 }
8546ea19
JM		 7349 if (bss)
7350 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
7351 "BSS %p in the list", __func__, bss);
390e489c 7352 } else {
2aec4f3c 7353 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 7354 nl80211_teardown_ap(bss);
2aec4f3c 7355 if (!bss->added_if && !drv->first_bss->next)
a70cd0db 7356 wpa_driver_nl80211_del_beacon(bss);
390e489c 7357 nl80211_destroy_bss(bss);
2aec4f3c
JM		 7358 if (!bss->added_if)
7359 i802_set_iface_flags(bss, 0);
390e489c
KP		 7360 if (drv->first_bss->next) {
7361 drv->first_bss = drv->first_bss->next;
7362 drv->ctx = drv->first_bss->ctx;
7363 os_free(bss);
7364 } else {
7365 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
7366 }
22a7c9d7 7367 }
22a7c9d7
JM		 7368
7369 return 0;
7370}
7371
7372
55777702
JM		 7373static int cookie_handler(struct nl_msg *msg, void *arg)
7374{
7375 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7376 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7377 u64 *cookie = arg;
7378 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7379 genlmsg_attrlen(gnlh, 0), NULL);
7380 if (tb[NL80211_ATTR_COOKIE])
7381 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
7382 return NL_SKIP;
7383}
7384
7385
88df0ef7 7386static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 7387 unsigned int freq, unsigned int wait,
7388 const u8 *buf, size_t buf_len,
88df0ef7 7389 u64 *cookie_out, int no_cck, int no_ack,
2d3943ce
AO		 7390 int offchanok, const u16 *csa_offs,
7391 size_t csa_offs_len)
9884f9cc 7392{
88df0ef7 7393 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 7394 struct nl_msg *msg;
7395 u64 cookie;
7396 int ret = -1;
7397
cc2ada86 7398 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 7399 "no_ack=%d offchanok=%d",
7400 freq, wait, no_cck, no_ack, offchanok);
c91f796f 7401 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 7402
56f77852 7403 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM		 7404 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
7405 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
7406 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7407 drv->test_use_roc_tx) &&
7408 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
7409 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
7410 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
2d3943ce
AO		 7411 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
7412 csa_offs_len * sizeof(u16), csa_offs)) ||
a862e4a3
JM		 7413 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
7414 goto fail;
9884f9cc
JB		 7415
7416 cookie = 0;
7417 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7418 msg = NULL;
7419 if (ret) {
7420 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 7421 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
7422 freq, wait);
a862e4a3
JM		 7423 } else {
7424 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
7425 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
7426 (long long unsigned int) cookie);
9884f9cc 7427
a862e4a3
JM		 7428 if (cookie_out)
7429 *cookie_out = no_ack ? (u64) -1 : cookie;
759a8a3a
JM		 7430
7431 if (drv->num_send_action_cookies == MAX_SEND_ACTION_COOKIES) {
7432 wpa_printf(MSG_DEBUG,
7433 "nl80211: Drop oldest pending send action cookie 0x%llx",
7434 (long long unsigned int)
7435 drv->send_action_cookies[0]);
7436 os_memmove(&drv->send_action_cookies[0],
7437 &drv->send_action_cookies[1],
7438 (MAX_SEND_ACTION_COOKIES - 1) *
7439 sizeof(u64));
7440 drv->num_send_action_cookies--;
7441 }
7442 drv->send_action_cookies[drv->num_send_action_cookies] = cookie;
7443 drv->num_send_action_cookies++;
a862e4a3 7444 }
9884f9cc 7445
a862e4a3 7446fail:
9884f9cc
JB		 7447 nlmsg_free(msg);
7448 return ret;
7449}
7450
7451
9ebce9c5
JM		 7452static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
7453 unsigned int freq,
190b9062 7454 unsigned int wait_time,
58f6fbe0
JM		 7455 const u8 *dst, const u8 *src,
7456 const u8 *bssid,
b106173a
JM		 7457 const u8 *data, size_t data_len,
7458 int no_cck)
58f6fbe0 7459{
a2e40bb6 7460 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 7461 int ret = -1;
58f6fbe0
JM		 7462 u8 *buf;
7463 struct ieee80211_hdr *hdr;
58f6fbe0 7464
5dfca53f 7465 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 7466 "freq=%u MHz wait=%d ms no_cck=%d)",
7467 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 7468
7469 buf = os_zalloc(24 + data_len);
7470 if (buf == NULL)
7471 return ret;
7472 os_memcpy(buf + 24, data, data_len);
7473 hdr = (struct ieee80211_hdr *) buf;
7474 hdr->frame_control =
7475 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
7476 os_memcpy(hdr->addr1, dst, ETH_ALEN);
7477 os_memcpy(hdr->addr2, src, ETH_ALEN);
7478 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
7479
8331c9b3
VK		 7480 if (os_memcmp(bss->addr, src, ETH_ALEN) != 0) {
7481 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
7482 MAC2STR(src));
7483 os_memcpy(bss->rand_addr, src, ETH_ALEN);
7484 } else {
7485 os_memset(bss->rand_addr, 0, ETH_ALEN);
7486 }
7487
f78f2785
JM		 7488 if (is_ap_interface(drv->nlmode) &&
7489 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7490 (int) freq == bss->freq || drv->device_ap_sme ||
7491 !drv->use_monitor))
9ebce9c5
JM		 7492 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
7493 0, freq, no_cck, 1,
2d3943ce 7494 wait_time, NULL, 0);
9884f9cc 7495 else
88df0ef7 7496 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 7497 24 + data_len,
b106173a 7498 &drv->send_action_cookie,
2d3943ce 7499 no_cck, 0, 1, NULL, 0);
58f6fbe0 7500
f8bf1421 7501 os_free(buf);
58f6fbe0
JM		 7502 return ret;
7503}
7504
7505
759a8a3a 7506static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
5dfca53f 7507{
5dfca53f
JB		 7508 struct wpa_driver_nl80211_data *drv = bss->drv;
7509 struct nl_msg *msg;
7510 int ret;
7511
316a9e4d 7512 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
759a8a3a 7513 (long long unsigned int) cookie);
56f77852 7514 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
759a8a3a 7515 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
a862e4a3
JM		 7516 nlmsg_free(msg);
7517 return;
7518 }
5dfca53f
JB		 7519
7520 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB		 7521 if (ret)
7522 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
7523 "(%s)", ret, strerror(-ret));
5dfca53f
JB		 7524}
7525
7526
759a8a3a
JM		 7527static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
7528{
7529 struct i802_bss *bss = priv;
7530 struct wpa_driver_nl80211_data *drv = bss->drv;
7531 unsigned int i;
7532 u64 cookie;
7533
7534 /* Cancel the last pending TX cookie */
7535 nl80211_frame_wait_cancel(bss, drv->send_action_cookie);
7536
7537 /*
7538 * Cancel the other pending TX cookies, if any. This is needed since
7539 * the driver may keep a list of all pending offchannel TX operations
7540 * and free up the radio only once they have expired or cancelled.
7541 */
7542 for (i = drv->num_send_action_cookies; i > 0; i--) {
7543 cookie = drv->send_action_cookies[i - 1];
7544 if (cookie != drv->send_action_cookie)
7545 nl80211_frame_wait_cancel(bss, cookie);
7546 }
7547 drv->num_send_action_cookies = 0;
7548}
7549
7550
55777702
JM		 7551static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
7552 unsigned int duration)
7553{
a2e40bb6
FF		 7554 struct i802_bss *bss = priv;
7555 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7556 struct nl_msg *msg;
7557 int ret;
7558 u64 cookie;
7559
56f77852 7560 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM		 7561 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
7562 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
7563 nlmsg_free(msg);
7564 return -1;
7565 }
55777702
JM		 7566
7567 cookie = 0;
7568 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7569 if (ret == 0) {
7570 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
7571 "0x%llx for freq=%u MHz duration=%u",
7572 (long long unsigned int) cookie, freq, duration);
7573 drv->remain_on_chan_cookie = cookie;
531f0331 7574 drv->pending_remain_on_chan = 1;
55777702
JM		 7575 return 0;
7576 }
7577 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 7578 "(freq=%d duration=%u): %d (%s)",
7579 freq, duration, ret, strerror(-ret));
55777702
JM		 7580 return -1;
7581}
7582
7583
7584static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
7585{
a2e40bb6
FF		 7586 struct i802_bss *bss = priv;
7587 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7588 struct nl_msg *msg;
7589 int ret;
7590
7591 if (!drv->pending_remain_on_chan) {
7592 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
7593 "to cancel");
7594 return -1;
7595 }
7596
7597 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
7598 "0x%llx",
7599 (long long unsigned int) drv->remain_on_chan_cookie);
7600
56f77852
JM		 7601 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
7602 if (!msg ||
a862e4a3
JM		 7603 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
7604 nlmsg_free(msg);
7605 return -1;
7606 }
55777702
JM		 7607
7608 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7609 if (ret == 0)
7610 return 0;
7611 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
7612 "%d (%s)", ret, strerror(-ret));
55777702
JM		 7613 return -1;
7614}
7615
7616
9ebce9c5 7617static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 7618{
a2e40bb6 7619 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 7620
5582a5d1 7621 if (!report) {
0d891981 7622 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 7623 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
7624 !bss->static_ap) {
0d891981
JM		 7625 /*
7626 * Do not disable Probe Request reporting that was
7627 * enabled in nl80211_setup_ap().
7628 */
7629 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
7630 "Probe Request reporting nl_preq=%p while "
7631 "in AP mode", bss->nl_preq);
7632 } else if (bss->nl_preq) {
36488c05
JM		 7633 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
7634 "reporting nl_preq=%p", bss->nl_preq);
40a68f33 7635 nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
5582a5d1
JB		 7636 }
7637 return 0;
7638 }
7639
481234cf 7640 if (bss->nl_preq) {
5582a5d1 7641 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 7642 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 7643 return 0;
7644 }
7645
481234cf
JM		 7646 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
7647 if (bss->nl_preq == NULL)
5582a5d1 7648 return -1;
36488c05
JM		 7649 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
7650 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 7651
481234cf 7652 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 7653 (WLAN_FC_TYPE_MGMT << 2) |
7654 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 7655 NULL, 0) < 0)
7656 goto out_err;
5582a5d1 7657
5f65e9f7
JB		 7658 nl80211_register_eloop_read(&bss->nl_preq,
7659 wpa_driver_nl80211_event_receive,
40a68f33 7660 bss->nl_cb, 0);
5582a5d1 7661
504e905c 7662 return 0;
5582a5d1 7663
a92dfde8 7664 out_err:
221a59c9 7665 nl_destroy_handles(&bss->nl_preq);
5582a5d1 7666 return -1;
504e905c
JM		 7667}
7668
7669
4e5cb1a3
JM		 7670static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
7671 int ifindex, int disabled)
7672{
7673 struct nl_msg *msg;
7674 struct nlattr *bands, *band;
7675 int ret;
7676
3e208481
JM		 7677 wpa_printf(MSG_DEBUG,
7678 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
7679 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
7680 "no NL80211_TXRATE_LEGACY constraint");
7681
95376e1a
JM		 7682 msg = nl80211_ifindex_msg(drv, ifindex, 0,
7683 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 7684 if (!msg)
7685 return -1;
7686
4e5cb1a3
JM		 7687 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
7688 if (!bands)
a862e4a3 7689 goto fail;
4e5cb1a3
JM		 7690
7691 /*
7692 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
7693 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
7694 * rates. All 5 GHz rates are left enabled.
7695 */
7696 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM		 7697 if (!band ||
7698 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
7699 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
7700 goto fail;
4e5cb1a3
JM		 7701 nla_nest_end(msg, band);
7702
7703 nla_nest_end(msg, bands);
7704
7705 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM		 7706 if (ret) {
7707 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
7708 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 7709 } else
7710 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 7711
7712 return ret;
7713
a862e4a3 7714fail:
4e5cb1a3
JM		 7715 nlmsg_free(msg);
7716 return -1;
7717}
7718
7719
af473088
JM		 7720static int wpa_driver_nl80211_deinit_ap(void *priv)
7721{
a2e40bb6
FF		 7722 struct i802_bss *bss = priv;
7723 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 7724 if (!is_ap_interface(drv->nlmode))
af473088 7725 return -1;
a70cd0db 7726 wpa_driver_nl80211_del_beacon(bss);
9bc5cfa3 7727 bss->beacon_set = 0;
60b13c20
IP		 7728
7729 /*
7730 * If the P2P GO interface was dynamically added, then it is
7731 * possible that the interface change to station is not possible.
7732 */
7733 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
7734 return 0;
7735
b1f625e0 7736 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 7737}
7738
7739
695c7038
SW		 7740static int wpa_driver_nl80211_stop_ap(void *priv)
7741{
7742 struct i802_bss *bss = priv;
7743 struct wpa_driver_nl80211_data *drv = bss->drv;
7744 if (!is_ap_interface(drv->nlmode))
7745 return -1;
a70cd0db 7746 wpa_driver_nl80211_del_beacon(bss);
695c7038
SW		 7747 bss->beacon_set = 0;
7748 return 0;
7749}
7750
7751
3c29244e
EP		 7752static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
7753{
7754 struct i802_bss *bss = priv;
7755 struct wpa_driver_nl80211_data *drv = bss->drv;
7756 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
7757 return -1;
60b13c20
IP		 7758
7759 /*
7760 * If the P2P Client interface was dynamically added, then it is
7761 * possible that the interface change to station is not possible.
7762 */
7763 if (bss->if_dynamic)
7764 return 0;
7765
3c29244e
EP		 7766 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7767}
7768
7769
207ef3fb
JM		 7770static void wpa_driver_nl80211_resume(void *priv)
7771{
a2e40bb6 7772 struct i802_bss *bss = priv;
e8dc205f 7773 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
91724d6f
AS		 7774
7775 if (i802_set_iface_flags(bss, 1))
7776 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
e8dc205f
AO		 7777
7778 if (is_p2p_net_interface(nlmode))
7779 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
207ef3fb
JM		 7780}
7781
7782
b625473c
JM		 7783static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
7784{
7785 struct i802_bss *bss = priv;
7786 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 7787 struct nl_msg *msg;
7788 struct nlattr *cqm;
b625473c
JM		 7789
7790 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
7791 "hysteresis=%d", threshold, hysteresis);
7792
13f83980 7793 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM		 7794 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
7795 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
7796 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
7797 nlmsg_free(msg);
7798 return -1;
7799 }
8970bae8 7800 nla_nest_end(msg, cqm);
21270bb4 7801
a862e4a3 7802 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 7803}
7804
7805
2cc8d8f4
AO		 7806static int get_channel_width(struct nl_msg *msg, void *arg)
7807{
7808 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7809 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7810 struct wpa_signal_info *sig_change = arg;
7811
7812 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7813 genlmsg_attrlen(gnlh, 0), NULL);
7814
7815 sig_change->center_frq1 = -1;
7816 sig_change->center_frq2 = -1;
7817 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
7818
7819 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
7820 sig_change->chanwidth = convert2width(
7821 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
7822 if (tb[NL80211_ATTR_CENTER_FREQ1])
7823 sig_change->center_frq1 =
7824 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
7825 if (tb[NL80211_ATTR_CENTER_FREQ2])
7826 sig_change->center_frq2 =
7827 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
7828 }
7829
7830 return NL_SKIP;
7831}
7832
7833
7834static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
7835 struct wpa_signal_info *sig)
7836{
7837 struct nl_msg *msg;
7838
9725b784 7839 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 7840 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO		 7841}
7842
7843
1c5c7273
PS		 7844static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
7845{
7846 struct i802_bss *bss = priv;
7847 struct wpa_driver_nl80211_data *drv = bss->drv;
7848 int res;
7849
7850 os_memset(si, 0, sizeof(*si));
7851 res = nl80211_get_link_signal(drv, si);
1d6955e6
JM		 7852 if (res) {
7853 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
7854 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
7855 return res;
7856 si->current_signal = 0;
7857 }
1c5c7273 7858
2cc8d8f4
AO		 7859 res = nl80211_get_channel_width(drv, si);
7860 if (res != 0)
7861 return res;
7862
1c5c7273
PS		 7863 return nl80211_get_link_noise(drv, si);
7864}
7865
7866
b91ab76e
JM		 7867static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
7868 int encrypt)
7869{
7870 struct i802_bss *bss = priv;
55231068 7871 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
2d3943ce 7872 0, 0, 0, 0, NULL, 0);
b91ab76e
JM		 7873}
7874
7875
c55f774d
JM		 7876static int nl80211_set_param(void *priv, const char *param)
7877{
ef24ad3e
JM		 7878 struct i802_bss *bss = priv;
7879 struct wpa_driver_nl80211_data *drv = bss->drv;
7880
c55f774d
JM		 7881 if (param == NULL)
7882 return 0;
99a94f55 7883 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
c55f774d
JM		 7884
7885#ifdef CONFIG_P2P
7886 if (os_strstr(param, "use_p2p_group_interface=1")) {
7887 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
7888 "interface");
7889 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
7890 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
7891 }
7892#endif /* CONFIG_P2P */
7893
ef24ad3e 7894 if (os_strstr(param, "use_monitor=1"))
327b01d3 7895 drv->use_monitor = 1;
327b01d3
JM		 7896
7897 if (os_strstr(param, "force_connect_cmd=1")) {
327b01d3 7898 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 7899 drv->force_connect_cmd = 1;
327b01d3
JM		 7900 }
7901
ef24ad3e 7902 if (os_strstr(param, "force_bss_selection=1"))
4d584d8c 7903 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
4d584d8c 7904
64abb725 7905 if (os_strstr(param, "no_offchannel_tx=1")) {
64abb725
JM		 7906 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
7907 drv->test_use_roc_tx = 1;
7908 }
7909
c55f774d
JM		 7910 return 0;
7911}
7912
7913
45e3fc72 7914static void * nl80211_global_init(void *ctx)
f2ed8023
JM		 7915{
7916 struct nl80211_global *global;
36d84860
BG		 7917 struct netlink_config *cfg;
7918
f2ed8023
JM		 7919 global = os_zalloc(sizeof(*global));
7920 if (global == NULL)
7921 return NULL;
45e3fc72 7922 global->ctx = ctx;
c81eff1a 7923 global->ioctl_sock = -1;
f2ed8023 7924 dl_list_init(&global->interfaces);
ff6a158b 7925 global->if_add_ifindex = -1;
36d84860
BG		 7926
7927 cfg = os_zalloc(sizeof(*cfg));
7928 if (cfg == NULL)
7929 goto err;
7930
7931 cfg->ctx = global;
7932 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
7933 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
7934 global->netlink = netlink_init(cfg);
7935 if (global->netlink == NULL) {
7936 os_free(cfg);
7937 goto err;
7938 }
7939
2a7b66f5
BG		 7940 if (wpa_driver_nl80211_init_nl_global(global) < 0)
7941 goto err;
7942
c81eff1a
BG		 7943 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
7944 if (global->ioctl_sock < 0) {
7ac3616d
JM		 7945 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
7946 strerror(errno));
c81eff1a
BG		 7947 goto err;
7948 }
7949
f2ed8023 7950 return global;
36d84860
BG		 7951
7952err:
7953 nl80211_global_deinit(global);
7954 return NULL;
f2ed8023
JM		 7955}
7956
7957
7958static void nl80211_global_deinit(void *priv)
7959{
7960 struct nl80211_global *global = priv;
7961 if (global == NULL)
7962 return;
7963 if (!dl_list_empty(&global->interfaces)) {
7964 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
7965 "nl80211_global_deinit",
7966 dl_list_len(&global->interfaces));
7967 }
36d84860
BG		 7968
7969 if (global->netlink)
7970 netlink_deinit(global->netlink);
7971
276e2d67
BG		 7972 nl_destroy_handles(&global->nl);
7973
5f65e9f7 7974 if (global->nl_event)
40a68f33 7975 nl80211_destroy_eloop_handle(&global->nl_event, 0);
d6c9aab8
JB		 7976
7977 nl_cb_put(global->nl_cb);
2a7b66f5 7978
c81eff1a
BG		 7979 if (global->ioctl_sock >= 0)
7980 close(global->ioctl_sock);
7981
f2ed8023
JM		 7982 os_free(global);
7983}
7984
7985
6859f1cb
BG		 7986static const char * nl80211_get_radio_name(void *priv)
7987{
7988 struct i802_bss *bss = priv;
7989 struct wpa_driver_nl80211_data *drv = bss->drv;
7990 return drv->phyname;
7991}
7992
7993
061a3d3d
VK		 7994static int nl80211_pmkid(struct i802_bss *bss, int cmd,
7995 struct wpa_pmkid_params *params)
a6efc65d
JM		 7996{
7997 struct nl_msg *msg;
0887215d 7998 const size_t PMK_MAX_LEN = 48; /* current cfg80211 limit */
a6efc65d 7999
13f83980 8000 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
061a3d3d
VK		 8001 (params->pmkid &&
8002 nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
8003 (params->bssid &&
8004 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
8005 (params->ssid_len &&
8006 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
8007 (params->fils_cache_id &&
8008 nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
8009 params->fils_cache_id)) ||
c6ec9759 8010 (cmd != NL80211_CMD_DEL_PMKSA &&
8011 params->pmk_len && params->pmk_len <= PMK_MAX_LEN &&
061a3d3d 8012 nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
6110753b 8013 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 8014 nlmsg_free(msg);
8015 return -ENOBUFS;
8016 }
a6efc65d 8017
6110753b 8018 return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1);
a6efc65d
JM		 8019}
8020
8021
6fbb5414 8022static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 8023{
8024 struct i802_bss *bss = priv;
e7f6e6ee 8025 int ret;
061a3d3d
VK		 8026
8027 if (params->bssid)
8028 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
8029 MAC2STR(params->bssid));
8030 else if (params->fils_cache_id && params->ssid_len) {
8031 wpa_printf(MSG_DEBUG,
8032 "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
8033 params->fils_cache_id[0], params->fils_cache_id[1],
8034 wpa_ssid_txt(params->ssid, params->ssid_len));
8035 }
8036
e7f6e6ee
JM		 8037 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params);
8038 if (ret < 0) {
8039 wpa_printf(MSG_DEBUG,
8040 "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)",
8041 ret, strerror(-ret));
8042 }
8043
8044 return ret;
a6efc65d
JM		 8045}
8046
8047
6fbb5414 8048static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 8049{
8050 struct i802_bss *bss = priv;
e7f6e6ee 8051 int ret;
061a3d3d
VK		 8052
8053 if (params->bssid)
8054 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
8055 MAC2STR(params->bssid));
8056 else if (params->fils_cache_id && params->ssid_len) {
8057 wpa_printf(MSG_DEBUG,
8058 "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
8059 params->fils_cache_id[0], params->fils_cache_id[1],
8060 wpa_ssid_txt(params->ssid, params->ssid_len));
8061 }
8062
e7f6e6ee
JM		 8063 ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params);
8064 if (ret < 0) {
8065 wpa_printf(MSG_DEBUG,
8066 "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)",
8067 ret, strerror(-ret));
8068 }
8069
8070 return ret;
a6efc65d
JM		 8071}
8072
8073
8074static int nl80211_flush_pmkid(void *priv)
8075{
8076 struct i802_bss *bss = priv;
061a3d3d
VK		 8077 struct nl_msg *msg;
8078
a6efc65d 8079 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
061a3d3d
VK		 8080 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
8081 if (!msg)
8082 return -ENOBUFS;
8083 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 8084}
8085
8086
0185007c
MK		 8087static void clean_survey_results(struct survey_results *survey_results)
8088{
8089 struct freq_survey *survey, *tmp;
8090
8091 if (dl_list_empty(&survey_results->survey_list))
8092 return;
8093
8094 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
8095 struct freq_survey, list) {
8096 dl_list_del(&survey->list);
8097 os_free(survey);
8098 }
8099}
8100
8101
8102static void add_survey(struct nlattr **sinfo, u32 ifidx,
8103 struct dl_list *survey_list)
8104{
8105 struct freq_survey *survey;
8106
8107 survey = os_zalloc(sizeof(struct freq_survey));
8108 if (!survey)
8109 return;
8110
8111 survey->ifidx = ifidx;
8112 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8113 survey->filled = 0;
8114
8115 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
8116 survey->nf = (int8_t)
8117 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
8118 survey->filled |= SURVEY_HAS_NF;
8119 }
8120
8121 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
8122 survey->channel_time =
8123 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
8124 survey->filled |= SURVEY_HAS_CHAN_TIME;
8125 }
8126
8127 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
8128 survey->channel_time_busy =
8129 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
8130 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
8131 }
8132
8133 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
8134 survey->channel_time_rx =
8135 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
8136 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
8137 }
8138
8139 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
8140 survey->channel_time_tx =
8141 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
8142 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
8143 }
8144
8145 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)",
8146 survey->freq,
8147 survey->nf,
8148 (unsigned long int) survey->channel_time,
8149 (unsigned long int) survey->channel_time_busy,
8150 (unsigned long int) survey->channel_time_tx,
8151 (unsigned long int) survey->channel_time_rx,
8152 survey->filled);
8153
8154 dl_list_add_tail(survey_list, &survey->list);
8155}
8156
8157
8158static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
8159 unsigned int freq_filter)
8160{
8161 if (!freq_filter)
8162 return 1;
8163
8164 return freq_filter == surveyed_freq;
8165}
8166
8167
8168static int survey_handler(struct nl_msg *msg, void *arg)
8169{
8170 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8171 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8172 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
8173 struct survey_results *survey_results;
8174 u32 surveyed_freq = 0;
8175 u32 ifidx;
8176
8177 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
8178 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
8179 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
8180 };
8181
8182 survey_results = (struct survey_results *) arg;
8183
8184 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8185 genlmsg_attrlen(gnlh, 0), NULL);
8186
e28f39b7
SJ		 8187 if (!tb[NL80211_ATTR_IFINDEX])
8188 return NL_SKIP;
8189
0185007c
MK		 8190 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
8191
8192 if (!tb[NL80211_ATTR_SURVEY_INFO])
8193 return NL_SKIP;
8194
8195 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
8196 tb[NL80211_ATTR_SURVEY_INFO],
8197 survey_policy))
8198 return NL_SKIP;
8199
8200 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
8201 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
8202 return NL_SKIP;
8203 }
8204
8205 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8206
8207 if (!check_survey_ok(sinfo, surveyed_freq,
8208 survey_results->freq_filter))
8209 return NL_SKIP;
8210
8211 if (survey_results->freq_filter &&
8212 survey_results->freq_filter != surveyed_freq) {
8213 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
8214 surveyed_freq);
8215 return NL_SKIP;
8216 }
8217
8218 add_survey(sinfo, ifidx, &survey_results->survey_list);
8219
8220 return NL_SKIP;
8221}
8222
8223
8224static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
8225{
8226 struct i802_bss *bss = priv;
8227 struct wpa_driver_nl80211_data *drv = bss->drv;
8228 struct nl_msg *msg;
9725b784 8229 int err;
0185007c
MK		 8230 union wpa_event_data data;
8231 struct survey_results *survey_results;
8232
8233 os_memset(&data, 0, sizeof(data));
8234 survey_results = &data.survey_results;
8235
8236 dl_list_init(&survey_results->survey_list);
8237
9725b784 8238 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 8239 if (!msg)
a862e4a3 8240 return -ENOBUFS;
0185007c 8241
0185007c
MK		 8242 if (freq)
8243 data.survey_results.freq_filter = freq;
8244
8245 do {
8246 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
8247 err = send_and_recv_msgs(drv, msg, survey_handler,
8248 survey_results);
8249 } while (err > 0);
8250
a862e4a3 8251 if (err)
0185007c 8252 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM		 8253 else
8254 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 8255
0185007c 8256 clean_survey_results(survey_results);
0185007c
MK		 8257 return err;
8258}
8259
8260
98cd3d1c
JM		 8261static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
8262 const u8 *kck, size_t kck_len,
b14a210c
JB		 8263 const u8 *replay_ctr)
8264{
8265 struct i802_bss *bss = priv;
8266 struct wpa_driver_nl80211_data *drv = bss->drv;
8267 struct nlattr *replay_nested;
8268 struct nl_msg *msg;
64ae2447 8269 int ret;
b14a210c 8270
64ae2447
JM		 8271 if (!drv->set_rekey_offload)
8272 return;
8273
8274 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
13f83980 8275 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3 8276 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
98cd3d1c 8277 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
b6ea7642 8278 (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
a862e4a3
JM		 8279 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
8280 replay_ctr)) {
bbd89bfc 8281 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 8282 nlmsg_free(msg);
8283 return;
8284 }
b14a210c
JB		 8285
8286 nla_nest_end(msg, replay_nested);
8287
64ae2447
JM		 8288 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
8289 if (ret == -EOPNOTSUPP) {
8290 wpa_printf(MSG_DEBUG,
8291 "nl80211: Driver does not support rekey offload");
8292 drv->set_rekey_offload = 0;
8293 }
b14a210c
JB		 8294}
8295
8296
39718852
JB		 8297static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
8298 const u8 *addr, int qos)
bcf24348 8299{
39718852
JB		 8300 /* send data frame to poll STA and check whether
8301 * this frame is ACKed */
bcf24348
JB		 8302 struct {
8303 struct ieee80211_hdr hdr;
8304 u16 qos_ctl;
8305 } STRUCT_PACKED nulldata;
8306 size_t size;
8307
8308 /* Send data frame to poll STA and check whether this frame is ACKed */
8309
8310 os_memset(&nulldata, 0, sizeof(nulldata));
8311
8312 if (qos) {
8313 nulldata.hdr.frame_control =
8314 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8315 WLAN_FC_STYPE_QOS_NULL);
8316 size = sizeof(nulldata);
8317 } else {
8318 nulldata.hdr.frame_control =
8319 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8320 WLAN_FC_STYPE_NULLFUNC);
8321 size = sizeof(struct ieee80211_hdr);
8322 }
8323
8324 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
8325 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
8326 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
8327 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
8328
9ebce9c5 8329 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
2d3943ce 8330 0, 0, NULL, 0) < 0)
bcf24348
JB		 8331 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
8332 "send poll frame");
8333}
8334
39718852
JB		 8335static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
8336 int qos)
8337{
8338 struct i802_bss *bss = priv;
8339 struct wpa_driver_nl80211_data *drv = bss->drv;
8340 struct nl_msg *msg;
323a51cc 8341 u64 cookie;
fc99fab7 8342 int ret;
39718852
JB		 8343
8344 if (!drv->poll_command_supported) {
8345 nl80211_send_null_frame(bss, own_addr, addr, qos);
8346 return;
8347 }
8348
13f83980 8349 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM		 8350 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8351 nlmsg_free(msg);
8352 return;
8353 }
39718852 8354
323a51cc 8355 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
fc99fab7
JM		 8356 if (ret < 0) {
8357 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
8358 MACSTR " failed: ret=%d (%s)",
8359 MAC2STR(addr), ret, strerror(-ret));
323a51cc
IP		 8360 } else {
8361 wpa_printf(MSG_DEBUG,
8362 "nl80211: Client probe request addr=" MACSTR
8363 " cookie=%llu", MAC2STR(addr),
8364 (long long unsigned int) cookie);
fc99fab7 8365 }
39718852
JB		 8366}
8367
bcf24348 8368
29f338af
JM		 8369static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
8370{
8371 struct nl_msg *msg;
1baa130b 8372 int ret;
29f338af 8373
13f83980 8374 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM		 8375 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
8376 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
8377 nlmsg_free(msg);
8378 return -ENOBUFS;
8379 }
1baa130b
JM		 8380
8381 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8382 if (ret < 0) {
8383 wpa_printf(MSG_DEBUG,
8384 "nl80211: Setting PS state %s failed: %d (%s)",
8385 enabled ? "enabled" : "disabled",
8386 ret, strerror(-ret));
8387 }
8388 return ret;
29f338af
JM		 8389}
8390
8391
8392static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
8393 int ctwindow)
8394{
8395 struct i802_bss *bss = priv;
8396
8397 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
8398 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
8399
0de38036
JM		 8400 if (opp_ps != -1 || ctwindow != -1) {
8401#ifdef ANDROID_P2P
8402 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
8403#else /* ANDROID_P2P */
29f338af 8404 return -1; /* Not yet supported */
0de38036
JM		 8405#endif /* ANDROID_P2P */
8406 }
29f338af
JM		 8407
8408 if (legacy_ps == -1)
8409 return 0;
8410 if (legacy_ps != 0 && legacy_ps != 1)
8411 return -1; /* Not yet supported */
8412
8413 return nl80211_set_power_save(bss, legacy_ps);
8414}
8415
8416
04e8003c
JD		 8417static int nl80211_start_radar_detection(void *priv,
8418 struct hostapd_freq_params *freq)
f90e9c1c
SW		 8419{
8420 struct i802_bss *bss = priv;
8421 struct wpa_driver_nl80211_data *drv = bss->drv;
8422 struct nl_msg *msg;
8423 int ret;
8424
ad9a1bfe
JC		 8425 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
8426 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
04e8003c
JD		 8427 freq->bandwidth, freq->center_freq1, freq->center_freq2);
8428
f90e9c1c
SW		 8429 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
8430 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
8431 "detection");
8432 return -1;
8433 }
8434
9725b784 8435 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM		 8436 nl80211_put_freq_params(msg, freq) < 0) {
8437 nlmsg_free(msg);
8438 return -1;
8439 }
f90e9c1c
SW		 8440
8441 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8442 if (ret == 0)
8443 return 0;
8444 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
8445 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW		 8446 return -1;
8447}
8448
03ea1786
AN		 8449#ifdef CONFIG_TDLS
8450
8451static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
8452 u8 dialog_token, u16 status_code,
984dadc2
AN		 8453 u32 peer_capab, int initiator, const u8 *buf,
8454 size_t len)
03ea1786
AN		 8455{
8456 struct i802_bss *bss = priv;
8457 struct wpa_driver_nl80211_data *drv = bss->drv;
8458 struct nl_msg *msg;
8459
8460 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8461 return -EOPNOTSUPP;
8462
8463 if (!dst)
8464 return -EINVAL;
8465
9725b784 8466 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM		 8467 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
8468 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
8469 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
8470 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
8471 goto fail;
96ecea5e
SD		 8472 if (peer_capab) {
8473 /*
8474 * The internal enum tdls_peer_capability definition is
8475 * currently identical with the nl80211 enum
8476 * nl80211_tdls_peer_capability, so no conversion is needed
8477 * here.
8478 */
a862e4a3
JM		 8479 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
8480 peer_capab))
8481 goto fail;
96ecea5e 8482 }
a862e4a3
JM		 8483 if ((initiator &&
8484 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
8485 nla_put(msg, NL80211_ATTR_IE, len, buf))
8486 goto fail;
03ea1786
AN		 8487
8488 return send_and_recv_msgs(drv, msg, NULL, NULL);
8489
a862e4a3 8490fail:
03ea1786
AN		 8491 nlmsg_free(msg);
8492 return -ENOBUFS;
8493}
8494
8495
8496static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
8497{
8498 struct i802_bss *bss = priv;
8499 struct wpa_driver_nl80211_data *drv = bss->drv;
8500 struct nl_msg *msg;
8501 enum nl80211_tdls_operation nl80211_oper;
b2442f25 8502 int res;
03ea1786
AN		 8503
8504 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8505 return -EOPNOTSUPP;
8506
8507 switch (oper) {
8508 case TDLS_DISCOVERY_REQ:
8509 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
8510 break;
8511 case TDLS_SETUP:
8512 nl80211_oper = NL80211_TDLS_SETUP;
8513 break;
8514 case TDLS_TEARDOWN:
8515 nl80211_oper = NL80211_TDLS_TEARDOWN;
8516 break;
8517 case TDLS_ENABLE_LINK:
8518 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
8519 break;
8520 case TDLS_DISABLE_LINK:
8521 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
8522 break;
8523 case TDLS_ENABLE:
8524 return 0;
8525 case TDLS_DISABLE:
8526 return 0;
8527 default:
8528 return -EINVAL;
8529 }
8530
9725b784 8531 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 8532 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM		 8533 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
8534 nlmsg_free(msg);
8535 return -ENOBUFS;
8536 }
03ea1786 8537
b2442f25
JM		 8538 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8539 wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
8540 " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
8541 strerror(-res));
8542 return res;
03ea1786
AN		 8543}
8544
72b2605f
AN		 8545
8546static int
8547nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
8548 const struct hostapd_freq_params *params)
8549{
8550 struct i802_bss *bss = priv;
8551 struct wpa_driver_nl80211_data *drv = bss->drv;
8552 struct nl_msg *msg;
8553 int ret = -ENOBUFS;
8554
8555 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8556 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8557 return -EOPNOTSUPP;
8558
8559 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
8560 " oper_class=%u freq=%u",
8561 MAC2STR(addr), oper_class, params->freq);
8562 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
8563 if (!msg ||
8564 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8565 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
8566 (ret = nl80211_put_freq_params(msg, params))) {
8567 nlmsg_free(msg);
8568 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
8569 return ret;
8570 }
8571
8572 return send_and_recv_msgs(drv, msg, NULL, NULL);
8573}
8574
8575
8576static int
8577nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
8578{
8579 struct i802_bss *bss = priv;
8580 struct wpa_driver_nl80211_data *drv = bss->drv;
8581 struct nl_msg *msg;
8582
8583 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8584 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8585 return -EOPNOTSUPP;
8586
8587 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
8588 MAC2STR(addr));
8589 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
8590 if (!msg ||
8591 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8592 nlmsg_free(msg);
8593 wpa_printf(MSG_DEBUG,
8594 "nl80211: Could not build TDLS cancel chan switch");
8595 return -ENOBUFS;
8596 }
8597
8598 return send_and_recv_msgs(drv, msg, NULL, NULL);
8599}
8600
03ea1786
AN		 8601#endif /* CONFIG TDLS */
8602
8603
9ebce9c5
JM		 8604static int driver_nl80211_set_key(const char *ifname, void *priv,
8605 enum wpa_alg alg, const u8 *addr,
8606 int key_idx, int set_tx,
8607 const u8 *seq, size_t seq_len,
8608 const u8 *key, size_t key_len)
8609{
8610 struct i802_bss *bss = priv;
8611 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
8612 set_tx, seq, seq_len, key, key_len);
8613}
8614
8615
8616static int driver_nl80211_scan2(void *priv,
8617 struct wpa_driver_scan_params *params)
8618{
8619 struct i802_bss *bss = priv;
b658547d 8620#ifdef CONFIG_DRIVER_NL80211_QCA
adcd7c4b
KV		 8621 struct wpa_driver_nl80211_data *drv = bss->drv;
8622
8623 /*
8624 * Do a vendor specific scan if possible. If only_new_results is
8625 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
8626 * cannot be achieved through a vendor scan. The below condition may
8627 * need to be modified if new scan flags are added in the future whose
8628 * functionality can only be achieved through a normal scan.
8629 */
8630 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
8631 return wpa_driver_nl80211_vendor_scan(bss, params);
b658547d 8632#endif /* CONFIG_DRIVER_NL80211_QCA */
9ebce9c5
JM		 8633 return wpa_driver_nl80211_scan(bss, params);
8634}
8635
8636
8637static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
4be17ffb 8638 u16 reason_code)
9ebce9c5
JM		 8639{
8640 struct i802_bss *bss = priv;
8641 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
8642}
8643
8644
8645static int driver_nl80211_authenticate(void *priv,
8646 struct wpa_driver_auth_params *params)
8647{
8648 struct i802_bss *bss = priv;
8649 return wpa_driver_nl80211_authenticate(bss, params);
8650}
8651
8652
8653static void driver_nl80211_deinit(void *priv)
8654{
8655 struct i802_bss *bss = priv;
8656 wpa_driver_nl80211_deinit(bss);
8657}
8658
8659
8660static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
8661 const char *ifname)
8662{
8663 struct i802_bss *bss = priv;
8664 return wpa_driver_nl80211_if_remove(bss, type, ifname);
8665}
8666
8667
8668static int driver_nl80211_send_mlme(void *priv, const u8 *data,
5d180a77 8669 size_t data_len, int noack,
2d3943ce
AO		 8670 unsigned int freq,
8671 const u16 *csa_offs, size_t csa_offs_len)
9ebce9c5
JM		 8672{
8673 struct i802_bss *bss = priv;
8674 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
2d3943ce
AO		 8675 freq, 0, 0, 0, csa_offs,
8676 csa_offs_len);
9ebce9c5
JM		 8677}
8678
8679
8680static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
8681{
8682 struct i802_bss *bss = priv;
59d7148a 8683 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 8684}
8685
8686
9ebce9c5
JM		 8687static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
8688 const char *ifname, int vlan_id)
8689{
8690 struct i802_bss *bss = priv;
8691 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
8692}
9ebce9c5
JM		 8693
8694
8695static int driver_nl80211_read_sta_data(void *priv,
8696 struct hostap_sta_driver_data *data,
8697 const u8 *addr)
8698{
8699 struct i802_bss *bss = priv;
7824bf77
JC		 8700
8701 os_memset(data, 0, sizeof(*data));
9ebce9c5
JM		 8702 return i802_read_sta_data(bss, data, addr);
8703}
8704
8705
8706static int driver_nl80211_send_action(void *priv, unsigned int freq,
8707 unsigned int wait_time,
8708 const u8 *dst, const u8 *src,
8709 const u8 *bssid,
8710 const u8 *data, size_t data_len,
8711 int no_cck)
8712{
8713 struct i802_bss *bss = priv;
8714 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
8715 bssid, data, data_len, no_cck);
8716}
8717
8718
8719static int driver_nl80211_probe_req_report(void *priv, int report)
8720{
8721 struct i802_bss *bss = priv;
8722 return wpa_driver_nl80211_probe_req_report(bss, report);
8723}
8724
8725
6a1ce395
DG		 8726static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
8727 const u8 *ies, size_t ies_len)
8728{
8729 int ret;
8730 struct nl_msg *msg;
8731 struct i802_bss *bss = priv;
8732 struct wpa_driver_nl80211_data *drv = bss->drv;
8733 u16 mdid = WPA_GET_LE16(md);
8734
6a1ce395 8735 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 8736 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM		 8737 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
8738 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
8739 nlmsg_free(msg);
8740 return -ENOBUFS;
8741 }
6a1ce395
DG		 8742
8743 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8744 if (ret) {
8745 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
8746 "err=%d (%s)", ret, strerror(-ret));
8747 }
8748
8749 return ret;
6a1ce395
DG		 8750}
8751
8752
47754718 8753static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
597b94f5
AS		 8754{
8755 struct i802_bss *bss = priv;
8756 struct wpa_driver_nl80211_data *drv = bss->drv;
8757
8758 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
8759 return NULL;
8760
8761 return bss->addr;
8762}
8763
8764
a771c07d
JM		 8765static const char * scan_state_str(enum scan_states scan_state)
8766{
8767 switch (scan_state) {
8768 case NO_SCAN:
8769 return "NO_SCAN";
8770 case SCAN_REQUESTED:
8771 return "SCAN_REQUESTED";
8772 case SCAN_STARTED:
8773 return "SCAN_STARTED";
8774 case SCAN_COMPLETED:
8775 return "SCAN_COMPLETED";
8776 case SCAN_ABORTED:
8777 return "SCAN_ABORTED";
8778 case SCHED_SCAN_STARTED:
8779 return "SCHED_SCAN_STARTED";
8780 case SCHED_SCAN_STOPPED:
8781 return "SCHED_SCAN_STOPPED";
8782 case SCHED_SCAN_RESULTS:
8783 return "SCHED_SCAN_RESULTS";
8784 }
8785
8786 return "??";
8787}
8788
8789
8790static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
8791{
8792 struct i802_bss *bss = priv;
8793 struct wpa_driver_nl80211_data *drv = bss->drv;
8794 int res;
8795 char *pos, *end;
fea49f8f
JM		 8796 struct nl_msg *msg;
8797 char alpha2[3] = { 0, 0, 0 };
a771c07d
JM		 8798
8799 pos = buf;
8800 end = buf + buflen;
8801
8802 res = os_snprintf(pos, end - pos,
8803 "ifindex=%d\n"
8804 "ifname=%s\n"
8805 "brname=%s\n"
8806 "addr=" MACSTR "\n"
8807 "freq=%d\n"
c809756f 8808 "%s%s%s%s%s%s",
a771c07d
JM		 8809 bss->ifindex,
8810 bss->ifname,
8811 bss->brname,
8812 MAC2STR(bss->addr),
8813 bss->freq,
8814 bss->beacon_set ? "beacon_set=1\n" : "",
8815 bss->added_if_into_bridge ?
8816 "added_if_into_bridge=1\n" : "",
c809756f 8817 bss->already_in_bridge ? "already_in_bridge=1\n" : "",
a771c07d
JM		 8818 bss->added_bridge ? "added_bridge=1\n" : "",
8819 bss->in_deinit ? "in_deinit=1\n" : "",
8820 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 8821 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8822 return pos - buf;
8823 pos += res;
8824
8825 if (bss->wdev_id_set) {
8826 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
8827 (unsigned long long) bss->wdev_id);
d85e1fc8 8828 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8829 return pos - buf;
8830 pos += res;
8831 }
8832
8833 res = os_snprintf(pos, end - pos,
8834 "phyname=%s\n"
fee354c7 8835 "perm_addr=" MACSTR "\n"
a771c07d
JM		 8836 "drv_ifindex=%d\n"
8837 "operstate=%d\n"
8838 "scan_state=%s\n"
8839 "auth_bssid=" MACSTR "\n"
8840 "auth_attempt_bssid=" MACSTR "\n"
8841 "bssid=" MACSTR "\n"
8842 "prev_bssid=" MACSTR "\n"
8843 "associated=%d\n"
8844 "assoc_freq=%u\n"
8845 "monitor_sock=%d\n"
8846 "monitor_ifidx=%d\n"
8847 "monitor_refcount=%d\n"
8848 "last_mgmt_freq=%u\n"
8849 "eapol_tx_sock=%d\n"
97752f79 8850 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 8851 drv->phyname,
fee354c7 8852 MAC2STR(drv->perm_addr),
a771c07d
JM		 8853 drv->ifindex,
8854 drv->operstate,
8855 scan_state_str(drv->scan_state),
8856 MAC2STR(drv->auth_bssid),
8857 MAC2STR(drv->auth_attempt_bssid),
8858 MAC2STR(drv->bssid),
8859 MAC2STR(drv->prev_bssid),
8860 drv->associated,
8861 drv->assoc_freq,
8862 drv->monitor_sock,
8863 drv->monitor_ifidx,
8864 drv->monitor_refcount,
8865 drv->last_mgmt_freq,
8866 drv->eapol_tx_sock,
8867 drv->ignore_if_down_event ?
8868 "ignore_if_down_event=1\n" : "",
8869 drv->scan_complete_events ?
8870 "scan_complete_events=1\n" : "",
8871 drv->disabled_11b_rates ?
8872 "disabled_11b_rates=1\n" : "",
8873 drv->pending_remain_on_chan ?
8874 "pending_remain_on_chan=1\n" : "",
8875 drv->in_interface_list ? "in_interface_list=1\n" : "",
8876 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
8877 drv->poll_command_supported ?
8878 "poll_command_supported=1\n" : "",
8879 drv->data_tx_status ? "data_tx_status=1\n" : "",
8880 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
8881 drv->retry_auth ? "retry_auth=1\n" : "",
8882 drv->use_monitor ? "use_monitor=1\n" : "",
8883 drv->ignore_next_local_disconnect ?
8884 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 8885 drv->ignore_next_local_deauth ?
97752f79 8886 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 8887 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8888 return pos - buf;
8889 pos += res;
8890
8891 if (drv->has_capability) {
8892 res = os_snprintf(pos, end - pos,
8893 "capa.key_mgmt=0x%x\n"
8894 "capa.enc=0x%x\n"
8895 "capa.auth=0x%x\n"
24bd4e0b 8896 "capa.flags=0x%llx\n"
a0a34d53 8897 "capa.rrm_flags=0x%x\n"
a771c07d
JM		 8898 "capa.max_scan_ssids=%d\n"
8899 "capa.max_sched_scan_ssids=%d\n"
8900 "capa.sched_scan_supported=%d\n"
8901 "capa.max_match_sets=%d\n"
8902 "capa.max_remain_on_chan=%u\n"
8903 "capa.max_stations=%u\n"
8904 "capa.probe_resp_offloads=0x%x\n"
8905 "capa.max_acl_mac_addrs=%u\n"
86056fea
IP		 8906 "capa.num_multichan_concurrent=%u\n"
8907 "capa.mac_addr_rand_sched_scan_supported=%d\n"
079a28f7
AK		 8908 "capa.mac_addr_rand_scan_supported=%d\n"
8909 "capa.conc_capab=%u\n"
8910 "capa.max_conc_chan_2_4=%u\n"
09ea4309
AS		 8911 "capa.max_conc_chan_5_0=%u\n"
8912 "capa.max_sched_scan_plans=%u\n"
8913 "capa.max_sched_scan_plan_interval=%u\n"
8914 "capa.max_sched_scan_plan_iterations=%u\n",
a771c07d
JM		 8915 drv->capa.key_mgmt,
8916 drv->capa.enc,
8917 drv->capa.auth,
24bd4e0b 8918 (unsigned long long) drv->capa.flags,
a0a34d53 8919 drv->capa.rrm_flags,
a771c07d
JM		 8920 drv->capa.max_scan_ssids,
8921 drv->capa.max_sched_scan_ssids,
8922 drv->capa.sched_scan_supported,
8923 drv->capa.max_match_sets,
8924 drv->capa.max_remain_on_chan,
8925 drv->capa.max_stations,
8926 drv->capa.probe_resp_offloads,
8927 drv->capa.max_acl_mac_addrs,
86056fea
IP		 8928 drv->capa.num_multichan_concurrent,
8929 drv->capa.mac_addr_rand_sched_scan_supported,
079a28f7
AK		 8930 drv->capa.mac_addr_rand_scan_supported,
8931 drv->capa.conc_capab,
8932 drv->capa.max_conc_chan_2_4,
09ea4309
AS		 8933 drv->capa.max_conc_chan_5_0,
8934 drv->capa.max_sched_scan_plans,
8935 drv->capa.max_sched_scan_plan_interval,
8936 drv->capa.max_sched_scan_plan_iterations);
d85e1fc8 8937 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8938 return pos - buf;
8939 pos += res;
8940 }
8941
fea49f8f
JM		 8942 msg = nlmsg_alloc();
8943 if (msg &&
8944 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
8945 nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
8946 if (send_and_recv_msgs(drv, msg, nl80211_get_country,
8947 alpha2) == 0 &&
8948 alpha2[0]) {
8949 res = os_snprintf(pos, end - pos, "country=%s\n",
8950 alpha2);
8951 if (os_snprintf_error(end - pos, res))
8952 return pos - buf;
8953 pos += res;
8954 }
8955 } else {
8956 nlmsg_free(msg);
8957 }
8958
a771c07d
JM		 8959 return pos - buf;
8960}
8961
8962
1c4ffa87
AO		 8963static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
8964{
a862e4a3
JM		 8965 if ((settings->head &&
8966 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
8967 settings->head_len, settings->head)) ||
8968 (settings->tail &&
8969 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
8970 settings->tail_len, settings->tail)) ||
8971 (settings->beacon_ies &&
8972 nla_put(msg, NL80211_ATTR_IE,
8973 settings->beacon_ies_len, settings->beacon_ies)) ||
8974 (settings->proberesp_ies &&
8975 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
8976 settings->proberesp_ies_len, settings->proberesp_ies)) ||
8977 (settings->assocresp_ies &&
8978 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
8979 settings->assocresp_ies_len, settings->assocresp_ies)) ||
8980 (settings->probe_resp &&
8981 nla_put(msg, NL80211_ATTR_PROBE_RESP,
8982 settings->probe_resp_len, settings->probe_resp)))
8983 return -ENOBUFS;
1c4ffa87
AO		 8984
8985 return 0;
1c4ffa87
AO		 8986}
8987
8988
8989static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
8990{
8991 struct nl_msg *msg;
8992 struct i802_bss *bss = priv;
8993 struct wpa_driver_nl80211_data *drv = bss->drv;
8994 struct nlattr *beacon_csa;
8995 int ret = -ENOBUFS;
366179d2
AO		 8996 int csa_off_len = 0;
8997 int i;
1c4ffa87 8998
8d1fdde7 8999 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 9000 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 9001 settings->freq_params.freq, settings->freq_params.bandwidth,
9002 settings->freq_params.center_freq1,
9003 settings->freq_params.center_freq2);
1c4ffa87 9004
991aa9c7 9005 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 9006 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
9007 return -EOPNOTSUPP;
9008 }
9009
0928b629
PO		 9010 if (drv->nlmode != NL80211_IFTYPE_AP &&
9011 drv->nlmode != NL80211_IFTYPE_P2P_GO &&
9012 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
1c4ffa87
AO		 9013 return -EOPNOTSUPP;
9014
366179d2
AO		 9015 /*
9016 * Remove empty counters, assuming Probe Response and Beacon frame
9017 * counters match. This implementation assumes that there are only two
9018 * counters.
9019 */
9020 if (settings->counter_offset_beacon[0] &&
9021 !settings->counter_offset_beacon[1]) {
9022 csa_off_len = 1;
9023 } else if (settings->counter_offset_beacon[1] &&
9024 !settings->counter_offset_beacon[0]) {
9025 csa_off_len = 1;
9026 settings->counter_offset_beacon[0] =
9027 settings->counter_offset_beacon[1];
9028 settings->counter_offset_presp[0] =
9029 settings->counter_offset_presp[1];
9030 } else if (settings->counter_offset_beacon[1] &&
9031 settings->counter_offset_beacon[0]) {
9032 csa_off_len = 2;
9033 } else {
9034 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
9035 return -EINVAL;
9036 }
9037
9038 /* Check CSA counters validity */
9039 if (drv->capa.max_csa_counters &&
9040 csa_off_len > drv->capa.max_csa_counters) {
9041 wpa_printf(MSG_ERROR,
9042 "nl80211: Too many CSA counters provided");
1c4ffa87 9043 return -EINVAL;
366179d2 9044 }
1c4ffa87 9045
366179d2 9046 if (!settings->beacon_csa.tail)
1c4ffa87
AO		 9047 return -EINVAL;
9048
366179d2
AO		 9049 for (i = 0; i < csa_off_len; i++) {
9050 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
9051 u16 csa_c_off_presp = settings->counter_offset_presp[i];
9052
9053 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
9054 (settings->beacon_csa.tail[csa_c_off_bcn] !=
9055 settings->cs_count))
9056 return -EINVAL;
9057
9058 if (settings->beacon_csa.probe_resp &&
9059 ((settings->beacon_csa.probe_resp_len <=
9060 csa_c_off_presp) ||
9061 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
9062 settings->cs_count)))
9063 return -EINVAL;
9064 }
9065
13f83980 9066 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM		 9067 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
9068 settings->cs_count) ||
9069 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
9070 (settings->block_tx &&
9071 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO		 9072 goto error;
9073
1c4ffa87
AO		 9074 /* beacon_after params */
9075 ret = set_beacon_data(msg, &settings->beacon_after);
9076 if (ret)
9077 goto error;
9078
9079 /* beacon_csa params */
9080 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
9081 if (!beacon_csa)
a862e4a3 9082 goto fail;
1c4ffa87
AO		 9083
9084 ret = set_beacon_data(msg, &settings->beacon_csa);
9085 if (ret)
9086 goto error;
9087
366179d2
AO		 9088 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
9089 csa_off_len * sizeof(u16),
9090 settings->counter_offset_beacon) ||
a862e4a3 9091 (settings->beacon_csa.probe_resp &&
366179d2
AO		 9092 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
9093 csa_off_len * sizeof(u16),
9094 settings->counter_offset_presp)))
a862e4a3 9095 goto fail;
1c4ffa87
AO		 9096
9097 nla_nest_end(msg, beacon_csa);
9098 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9099 if (ret) {
9100 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
9101 ret, strerror(-ret));
9102 }
9103 return ret;
9104
a862e4a3 9105fail:
1c4ffa87
AO		 9106 ret = -ENOBUFS;
9107error:
9108 nlmsg_free(msg);
9109 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
9110 return ret;
9111}
9112
9113
dfa87878
MB		 9114static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
9115 u8 user_priority, u16 admitted_time)
9116{
9117 struct i802_bss *bss = priv;
9118 struct wpa_driver_nl80211_data *drv = bss->drv;
9119 struct nl_msg *msg;
9120 int ret;
9121
9122 wpa_printf(MSG_DEBUG,
9123 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
9124 tsid, admitted_time, user_priority);
9125
9126 if (!is_sta_interface(drv->nlmode))
9127 return -ENOTSUP;
9128
56f77852
JM		 9129 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
9130 if (!msg ||
a862e4a3
JM		 9131 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9132 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9133 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
9134 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
9135 nlmsg_free(msg);
9136 return -ENOBUFS;
9137 }
dfa87878
MB		 9138
9139 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9140 if (ret)
9141 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
9142 ret, strerror(-ret));
9143 return ret;
dfa87878
MB		 9144}
9145
9146
9147static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
9148{
9149 struct i802_bss *bss = priv;
9150 struct wpa_driver_nl80211_data *drv = bss->drv;
9151 struct nl_msg *msg;
9152 int ret;
9153
9154 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
9155
9156 if (!is_sta_interface(drv->nlmode))
9157 return -ENOTSUP;
9158
56f77852 9159 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM		 9160 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9161 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
9162 nlmsg_free(msg);
9163 return -ENOBUFS;
9164 }
dfa87878
MB		 9165
9166 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9167 if (ret)
9168 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
9169 ret, strerror(-ret));
9170 return ret;
dfa87878
MB		 9171}
9172
9173
6b9f7af6
JM		 9174#ifdef CONFIG_TESTING_OPTIONS
9175static int cmd_reply_handler(struct nl_msg *msg, void *arg)
9176{
9177 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9178 struct wpabuf *buf = arg;
9179
9180 if (!buf)
9181 return NL_SKIP;
9182
9183 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
9184 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
9185 return NL_SKIP;
9186 }
9187
9188 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
9189 genlmsg_attrlen(gnlh, 0));
9190
9191 return NL_SKIP;
9192}
9193#endif /* CONFIG_TESTING_OPTIONS */
9194
9195
adef8948
BL		 9196static int vendor_reply_handler(struct nl_msg *msg, void *arg)
9197{
9198 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9199 struct nlattr *nl_vendor_reply, *nl;
9200 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9201 struct wpabuf *buf = arg;
9202 int rem;
9203
9204 if (!buf)
9205 return NL_SKIP;
9206
9207 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9208 genlmsg_attrlen(gnlh, 0), NULL);
9209 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
9210
9211 if (!nl_vendor_reply)
9212 return NL_SKIP;
9213
9214 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
9215 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
9216 return NL_SKIP;
9217 }
9218
9219 nla_for_each_nested(nl, nl_vendor_reply, rem) {
9220 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
9221 }
9222
9223 return NL_SKIP;
9224}
9225
9226
9227static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
9228 unsigned int subcmd, const u8 *data,
9229 size_t data_len, struct wpabuf *buf)
9230{
9231 struct i802_bss *bss = priv;
9232 struct wpa_driver_nl80211_data *drv = bss->drv;
9233 struct nl_msg *msg;
9234 int ret;
9235
6b9f7af6
JM		 9236#ifdef CONFIG_TESTING_OPTIONS
9237 if (vendor_id == 0xffffffff) {
56f77852
JM		 9238 msg = nlmsg_alloc();
9239 if (!msg)
9240 return -ENOMEM;
9241
6b9f7af6
JM		 9242 nl80211_cmd(drv, msg, 0, subcmd);
9243 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
9244 0)
a862e4a3 9245 goto fail;
6b9f7af6
JM		 9246 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
9247 if (ret)
9248 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
9249 ret);
9250 return ret;
9251 }
9252#endif /* CONFIG_TESTING_OPTIONS */
9253
56f77852 9254 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9255 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
9256 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
9257 (data &&
9258 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
9259 goto fail;
adef8948
BL		 9260
9261 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
9262 if (ret)
9263 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
9264 ret);
9265 return ret;
9266
a862e4a3 9267fail:
adef8948
BL		 9268 nlmsg_free(msg);
9269 return -ENOBUFS;
9270}
9271
9272
049105b4
KP		 9273static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
9274 u8 qos_map_set_len)
9275{
9276 struct i802_bss *bss = priv;
9277 struct wpa_driver_nl80211_data *drv = bss->drv;
9278 struct nl_msg *msg;
9279 int ret;
9280
049105b4
KP		 9281 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
9282 qos_map_set, qos_map_set_len);
9283
9725b784 9284 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM		 9285 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
9286 nlmsg_free(msg);
9287 return -ENOBUFS;
9288 }
049105b4
KP		 9289
9290 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9291 if (ret)
9292 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
9293
9294 return ret;
049105b4
KP		 9295}
9296
9297
e4fa8b12
EP		 9298static int nl80211_set_wowlan(void *priv,
9299 const struct wowlan_triggers *triggers)
9300{
9301 struct i802_bss *bss = priv;
9302 struct wpa_driver_nl80211_data *drv = bss->drv;
9303 struct nl_msg *msg;
9304 struct nlattr *wowlan_triggers;
9305 int ret;
9306
e4fa8b12
EP		 9307 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
9308
1ac977bd 9309 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM		 9310 !(wowlan_triggers = nla_nest_start(msg,
9311 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
9312 (triggers->any &&
9313 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
9314 (triggers->disconnect &&
9315 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
9316 (triggers->magic_pkt &&
9317 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
9318 (triggers->gtk_rekey_failure &&
9319 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
9320 (triggers->eap_identity_req &&
9321 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
9322 (triggers->four_way_handshake &&
9323 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
9324 (triggers->rfkill_release &&
9325 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
9326 nlmsg_free(msg);
9327 return -ENOBUFS;
9328 }
e4fa8b12
EP		 9329
9330 nla_nest_end(msg, wowlan_triggers);
9331
9332 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9333 if (ret)
9334 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
9335
9336 return ret;
e4fa8b12
EP		 9337}
9338
9339
b658547d 9340#ifdef CONFIG_DRIVER_NL80211_QCA
0800f9ee
JM		 9341static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
9342{
9343 struct i802_bss *bss = priv;
9344 struct wpa_driver_nl80211_data *drv = bss->drv;
9345 struct nl_msg *msg;
9346 struct nlattr *params;
9347
9348 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
9349
9350 if (!drv->roaming_vendor_cmd_avail) {
9351 wpa_printf(MSG_DEBUG,
9352 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
9353 return -1;
9354 }
9355
9725b784 9356 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9357 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9358 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9359 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
9360 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9361 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
9362 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
9363 QCA_ROAMING_NOT_ALLOWED) ||
9364 (bssid &&
9365 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
9366 nlmsg_free(msg);
9367 return -1;
9368 }
0800f9ee
JM		 9369 nla_nest_end(msg, params);
9370
9371 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee 9372}
b04854ce
AP		 9373
9374
d98038bb 9375static int nl80211_disable_fils(void *priv, int disable)
9376{
9377 struct i802_bss *bss = priv;
9378 struct wpa_driver_nl80211_data *drv = bss->drv;
9379 struct nl_msg *msg;
9380 struct nlattr *params;
9381
9382 wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable);
9383
9384 if (!drv->set_wifi_conf_vendor_cmd_avail)
9385 return -1;
9386
9387 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9388 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9389 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9390 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
9391 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9392 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS,
9393 disable)) {
9394 nlmsg_free(msg);
9395 return -1;
9396 }
9397 nla_nest_end(msg, params);
9398
9399 return send_and_recv_msgs(drv, msg, NULL, NULL);
9400}
9401
9402
b04854ce
AP		 9403/* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
9404#define WPA_SUPPLICANT_CLIENT_ID 1
9405
9406static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid,
9407 const u8 *bssid)
9408{
9409 struct i802_bss *bss = priv;
9410 struct wpa_driver_nl80211_data *drv = bss->drv;
9411 struct nl_msg *msg;
9412 struct nlattr *params, *nlbssids, *attr;
9413 unsigned int i;
9414
9415 wpa_printf(MSG_DEBUG, "nl80211: Set blacklist BSSID (num=%u)",
9416 num_bssid);
9417
9418 if (!drv->roam_vendor_cmd_avail)
9419 return -1;
9420
9421 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9422 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9423 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9424 QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
9425 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9426 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
9427 QCA_WLAN_VENDOR_ATTR_ROAM_SUBCMD_SET_BLACKLIST_BSSID) ||
9428 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
9429 WPA_SUPPLICANT_CLIENT_ID) ||
9430 nla_put_u32(msg,
9431 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
9432 num_bssid))
9433 goto fail;
9434
9435 nlbssids = nla_nest_start(
9436 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
9437 if (!nlbssids)
9438 goto fail;
9439
9440 for (i = 0; i < num_bssid; i++) {
9441 attr = nla_nest_start(msg, i);
9442 if (!attr)
9443 goto fail;
9444 if (nla_put(msg,
9445 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
9446 ETH_ALEN, &bssid[i * ETH_ALEN]))
9447 goto fail;
9448 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i,
9449 MAC2STR(&bssid[i * ETH_ALEN]));
9450 nla_nest_end(msg, attr);
9451 }
9452 nla_nest_end(msg, nlbssids);
9453 nla_nest_end(msg, params);
9454
9455 return send_and_recv_msgs(drv, msg, NULL, NULL);
9456
9457fail:
9458 nlmsg_free(msg);
9459 return -1;
9460}
9461
b658547d 9462#endif /* CONFIG_DRIVER_NL80211_QCA */
0800f9ee
JM		 9463
9464
fee354c7
JM		 9465static int nl80211_set_mac_addr(void *priv, const u8 *addr)
9466{
9467 struct i802_bss *bss = priv;
9468 struct wpa_driver_nl80211_data *drv = bss->drv;
9469 int new_addr = addr != NULL;
9470
9ce3e610
JM		 9471 if (TEST_FAIL())
9472 return -1;
9473
fee354c7
JM		 9474 if (!addr)
9475 addr = drv->perm_addr;
9476
9477 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
9478 return -1;
9479
9480 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
9481 {
9482 wpa_printf(MSG_DEBUG,
9483 "nl80211: failed to set_mac_addr for %s to " MACSTR,
9484 bss->ifname, MAC2STR(addr));
9485 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
9486 1) < 0) {
9487 wpa_printf(MSG_DEBUG,
9488 "nl80211: Could not restore interface UP after failed set_mac_addr");
9489 }
9490 return -1;
9491 }
9492
9493 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
9494 bss->ifname, MAC2STR(addr));
9495 drv->addr_changed = new_addr;
9496 os_memcpy(bss->addr, addr, ETH_ALEN);
9497
9498 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
9499 {
9500 wpa_printf(MSG_DEBUG,
9501 "nl80211: Could not restore interface UP after set_mac_addr");
9502 }
9503
9504 return 0;
9505}
9506
9507
6c1664f6
BC		 9508#ifdef CONFIG_MESH
9509
9510static int wpa_driver_nl80211_init_mesh(void *priv)
9511{
9512 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
9513 wpa_printf(MSG_INFO,
9514 "nl80211: Failed to set interface into mesh mode");
9515 return -1;
9516 }
9517 return 0;
9518}
9519
9520
21c74e84
JM		 9521static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
9522 size_t mesh_id_len)
9523{
9524 if (mesh_id) {
21cd8f83
JM		 9525 wpa_printf(MSG_DEBUG, " * Mesh ID (SSID)=%s",
9526 wpa_ssid_txt(mesh_id, mesh_id_len));
21c74e84
JM		 9527 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
9528 }
9529
9530 return 0;
9531}
9532
9533
4ffb3f87
MH		 9534static int nl80211_put_mesh_config(struct nl_msg *msg,
9535 struct wpa_driver_mesh_bss_params *params)
9536{
9537 struct nlattr *container;
9538
9539 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
9540 if (!container)
9541 return -1;
9542
2bd62171 9543 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
963d3149
JM		 9544 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
9545 params->auto_plinks)) ||
2bd62171
MH		 9546 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
9547 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
31a856a1
MH		 9548 params->max_peer_links)) ||
9549 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
9550 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
9551 params->rssi_threshold)))
4ffb3f87
MH		 9552 return -1;
9553
9554 /*
9555 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
9556 * the timer could disconnect stations even in that case.
9557 */
2bd62171
MH		 9558 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
9559 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4ffb3f87
MH		 9560 params->peer_link_timeout)) {
9561 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
9562 return -1;
9563 }
9564
052b8d38
MH		 9565 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
9566 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
9567 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
9568 return -1;
9569 }
9570
4ffb3f87
MH		 9571 nla_nest_end(msg, container);
9572
9573 return 0;
9574}
9575
9576
0cb5f8d9 9577static int nl80211_join_mesh(struct i802_bss *bss,
6c1664f6
BC		 9578 struct wpa_driver_mesh_join_params *params)
9579{
6c1664f6
BC		 9580 struct wpa_driver_nl80211_data *drv = bss->drv;
9581 struct nl_msg *msg;
9582 struct nlattr *container;
7451a217 9583 int ret = -1;
6c1664f6 9584
6c1664f6 9585 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784 9586 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
f7e889fa
JM		 9587 if (!msg ||
9588 nl80211_put_freq_params(msg, &params->freq) ||
21c74e84
JM		 9589 nl80211_put_basic_rates(msg, params->basic_rates) ||
9590 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
4ac2ea57
MH		 9591 nl80211_put_beacon_int(msg, params->beacon_int) ||
9592 nl80211_put_dtim_period(msg, params->dtim_period))
85e1fad8 9593 goto fail;
9c58c5f7 9594
6c1664f6
BC		 9595 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
9596
9597 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
9598 if (!container)
a862e4a3 9599 goto fail;
6c1664f6
BC		 9600
9601 if (params->ies) {
9602 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM		 9603 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
9604 params->ies))
9605 goto fail;
6c1664f6
BC		 9606 }
9607 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
9608 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM		 9609 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
9610 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
9611 goto fail;
6c1664f6 9612 }
a862e4a3
JM		 9613 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
9614 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
9615 goto fail;
9616 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
9617 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
9618 goto fail;
6c1664f6
BC		 9619 nla_nest_end(msg, container);
9620
2bd62171
MH		 9621 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
9622 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
9623 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
4ffb3f87 9624 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
5a2a6de6 9625 goto fail;
6c1664f6
BC		 9626
9627 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9628 msg = NULL;
9629 if (ret) {
9630 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
9631 ret, strerror(-ret));
a862e4a3 9632 goto fail;
6c1664f6
BC		 9633 }
9634 ret = 0;
92a515b8 9635 drv->assoc_freq = bss->freq = params->freq.freq;
6c1664f6
BC		 9636 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
9637
a862e4a3 9638fail:
6c1664f6
BC		 9639 nlmsg_free(msg);
9640 return ret;
9641}
9642
9643
0cb5f8d9
MH		 9644static int
9645wpa_driver_nl80211_join_mesh(void *priv,
9646 struct wpa_driver_mesh_join_params *params)
9647{
9648 struct i802_bss *bss = priv;
9649 int ret, timeout;
9650
9651 timeout = params->conf.peer_link_timeout;
9652
9653 /* Disable kernel inactivity timer */
9654 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
9655 params->conf.peer_link_timeout = 0;
9656
9657 ret = nl80211_join_mesh(bss, params);
9658 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
9659 wpa_printf(MSG_DEBUG,
9660 "nl80211: Mesh join retry for peer_link_timeout");
9661 /*
9662 * Old kernel does not support setting
9663 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
9664 * into future from peer_link_timeout.
9665 */
9666 params->conf.peer_link_timeout = timeout + 60;
9667 ret = nl80211_join_mesh(priv, params);
9668 }
9669
9670 params->conf.peer_link_timeout = timeout;
9671 return ret;
9672}
9673
9674
6c1664f6
BC		 9675static int wpa_driver_nl80211_leave_mesh(void *priv)
9676{
9677 struct i802_bss *bss = priv;
9678 struct wpa_driver_nl80211_data *drv = bss->drv;
9679 struct nl_msg *msg;
9725b784 9680 int ret;
6c1664f6
BC		 9681
9682 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 9683 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 9684 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC		 9685 if (ret) {
9686 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
9687 ret, strerror(-ret));
a862e4a3
JM		 9688 } else {
9689 wpa_printf(MSG_DEBUG,
9690 "nl80211: mesh leave request send successfully");
6c1664f6 9691 }
6c1664f6 9692
f33c82d2
JM		 9693 if (wpa_driver_nl80211_set_mode(drv->first_bss,
9694 NL80211_IFTYPE_STATION)) {
9695 wpa_printf(MSG_INFO,
9696 "nl80211: Failed to set interface into station mode");
9697 }
6c1664f6
BC		 9698 return ret;
9699}
9700
9701#endif /* CONFIG_MESH */
9702
9703
ed4ddb6d
KP		 9704static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
9705 const u8 *ipaddr, int prefixlen,
9706 const u8 *addr)
71103bed
KP		 9707{
9708#ifdef CONFIG_LIBNL3_ROUTE
9709 struct i802_bss *bss = priv;
9710 struct wpa_driver_nl80211_data *drv = bss->drv;
9711 struct rtnl_neigh *rn;
9712 struct nl_addr *nl_ipaddr = NULL;
9713 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 9714 int family, addrsize;
71103bed
KP		 9715 int res;
9716
ed4ddb6d 9717 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP		 9718 return -EINVAL;
9719
9720 if (bss->br_ifindex == 0) {
9721 wpa_printf(MSG_DEBUG,
9722 "nl80211: bridge must be set before adding an ip neigh to it");
9723 return -1;
9724 }
9725
9726 if (!drv->rtnl_sk) {
9727 wpa_printf(MSG_DEBUG,
9728 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9729 return -1;
9730 }
9731
ed4ddb6d
KP		 9732 if (version == 4) {
9733 family = AF_INET;
9734 addrsize = 4;
9735 } else if (version == 6) {
9736 family = AF_INET6;
9737 addrsize = 16;
9738 } else {
9739 return -EINVAL;
9740 }
9741
71103bed
KP		 9742 rn = rtnl_neigh_alloc();
9743 if (rn == NULL)
9744 return -ENOMEM;
9745
9746 /* set the destination ip address for neigh */
ed4ddb6d 9747 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 9748 if (nl_ipaddr == NULL) {
9749 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9750 res = -ENOMEM;
9751 goto errout;
9752 }
9753 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
9754 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9755 if (res) {
9756 wpa_printf(MSG_DEBUG,
9757 "nl80211: neigh set destination addr failed");
9758 goto errout;
9759 }
9760
9761 /* set the corresponding lladdr for neigh */
9762 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
9763 if (nl_lladdr == NULL) {
9764 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
9765 res = -ENOMEM;
9766 goto errout;
9767 }
9768 rtnl_neigh_set_lladdr(rn, nl_lladdr);
9769
9770 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
9771 rtnl_neigh_set_state(rn, NUD_PERMANENT);
9772
9773 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
9774 if (res) {
9775 wpa_printf(MSG_DEBUG,
9776 "nl80211: Adding bridge ip neigh failed: %s",
9777 strerror(errno));
9778 }
9779errout:
9780 if (nl_lladdr)
9781 nl_addr_put(nl_lladdr);
9782 if (nl_ipaddr)
9783 nl_addr_put(nl_ipaddr);
9784 if (rn)
9785 rtnl_neigh_put(rn);
9786 return res;
9787#else /* CONFIG_LIBNL3_ROUTE */
9788 return -1;
9789#endif /* CONFIG_LIBNL3_ROUTE */
9790}
9791
9792
ed4ddb6d
KP		 9793static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
9794 const u8 *ipaddr)
71103bed
KP		 9795{
9796#ifdef CONFIG_LIBNL3_ROUTE
9797 struct i802_bss *bss = priv;
9798 struct wpa_driver_nl80211_data *drv = bss->drv;
9799 struct rtnl_neigh *rn;
9800 struct nl_addr *nl_ipaddr;
ed4ddb6d 9801 int family, addrsize;
71103bed
KP		 9802 int res;
9803
ed4ddb6d 9804 if (!ipaddr)
71103bed
KP		 9805 return -EINVAL;
9806
ed4ddb6d
KP		 9807 if (version == 4) {
9808 family = AF_INET;
9809 addrsize = 4;
9810 } else if (version == 6) {
9811 family = AF_INET6;
9812 addrsize = 16;
9813 } else {
9814 return -EINVAL;
9815 }
9816
71103bed
KP		 9817 if (bss->br_ifindex == 0) {
9818 wpa_printf(MSG_DEBUG,
9819 "nl80211: bridge must be set to delete an ip neigh");
9820 return -1;
9821 }
9822
9823 if (!drv->rtnl_sk) {
9824 wpa_printf(MSG_DEBUG,
9825 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9826 return -1;
9827 }
9828
9829 rn = rtnl_neigh_alloc();
9830 if (rn == NULL)
9831 return -ENOMEM;
9832
9833 /* set the destination ip address for neigh */
ed4ddb6d 9834 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 9835 if (nl_ipaddr == NULL) {
9836 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9837 res = -ENOMEM;
9838 goto errout;
9839 }
9840 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9841 if (res) {
9842 wpa_printf(MSG_DEBUG,
9843 "nl80211: neigh set destination addr failed");
9844 goto errout;
9845 }
9846
9847 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
9848
9849 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
9850 if (res) {
9851 wpa_printf(MSG_DEBUG,
9852 "nl80211: Deleting bridge ip neigh failed: %s",
9853 strerror(errno));
9854 }
9855errout:
9856 if (nl_ipaddr)
9857 nl_addr_put(nl_ipaddr);
9858 if (rn)
9859 rtnl_neigh_put(rn);
9860 return res;
9861#else /* CONFIG_LIBNL3_ROUTE */
9862 return -1;
9863#endif /* CONFIG_LIBNL3_ROUTE */
9864}
9865
9866
73d2294f
KP		 9867static int linux_write_system_file(const char *path, unsigned int val)
9868{
9869 char buf[50];
9870 int fd, len;
9871
9872 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 9873 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP		 9874 return -1;
9875
9876 fd = open(path, O_WRONLY);
9877 if (fd < 0)
9878 return -1;
9879
9880 if (write(fd, buf, len) < 0) {
9881 wpa_printf(MSG_DEBUG,
9882 "nl80211: Failed to write Linux system file: %s with the value of %d",
9883 path, val);
9884 close(fd);
9885 return -1;
9886 }
9887 close(fd);
9888
9889 return 0;
9890}
9891
9892
9893static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
9894{
9895 switch (attr) {
9896 case DRV_BR_PORT_ATTR_PROXYARP:
bea8d9a3 9897 return "proxyarp_wifi";
73d2294f
KP		 9898 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
9899 return "hairpin_mode";
9900 }
9901
9902 return NULL;
9903}
9904
9905
9906static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
9907 unsigned int val)
9908{
9909 struct i802_bss *bss = priv;
9910 char path[128];
9911 const char *attr_txt;
9912
9913 attr_txt = drv_br_port_attr_str(attr);
9914 if (attr_txt == NULL)
9915 return -EINVAL;
9916
9917 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
9918 bss->ifname, attr_txt);
9919
9920 if (linux_write_system_file(path, val))
9921 return -1;
9922
9923 return 0;
9924}
9925
9926
7565752d
KP		 9927static const char * drv_br_net_param_str(enum drv_br_net_param param)
9928{
9929 switch (param) {
9930 case DRV_BR_NET_PARAM_GARP_ACCEPT:
9931 return "arp_accept";
60eb9e17
JM		 9932 default:
9933 return NULL;
7565752d 9934 }
7565752d
KP		 9935}
9936
9937
9938static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
9939 unsigned int val)
9940{
9941 struct i802_bss *bss = priv;
9942 char path[128];
9943 const char *param_txt;
9944 int ip_version = 4;
9945
60eb9e17
JM		 9946 if (param == DRV_BR_MULTICAST_SNOOPING) {
9947 os_snprintf(path, sizeof(path),
9948 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
9949 bss->brname);
9950 goto set_val;
9951 }
9952
7565752d
KP		 9953 param_txt = drv_br_net_param_str(param);
9954 if (param_txt == NULL)
9955 return -EINVAL;
9956
9957 switch (param) {
9958 case DRV_BR_NET_PARAM_GARP_ACCEPT:
9959 ip_version = 4;
9960 break;
9961 default:
9962 return -EINVAL;
9963 }
9964
9965 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
9966 ip_version, bss->brname, param_txt);
9967
60eb9e17 9968set_val:
7565752d
KP		 9969 if (linux_write_system_file(path, val))
9970 return -1;
9971
9972 return 0;
9973}
9974
9975
b658547d
JM		 9976#ifdef CONFIG_DRIVER_NL80211_QCA
9977
16689c7c
PX		 9978static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
9979{
9980 switch (hw_mode) {
9981 case HOSTAPD_MODE_IEEE80211B:
9982 return QCA_ACS_MODE_IEEE80211B;
9983 case HOSTAPD_MODE_IEEE80211G:
9984 return QCA_ACS_MODE_IEEE80211G;
9985 case HOSTAPD_MODE_IEEE80211A:
9986 return QCA_ACS_MODE_IEEE80211A;
9987 case HOSTAPD_MODE_IEEE80211AD:
9988 return QCA_ACS_MODE_IEEE80211AD;
3784c058
PX		 9989 case HOSTAPD_MODE_IEEE80211ANY:
9990 return QCA_ACS_MODE_IEEE80211ANY;
16689c7c
PX		 9991 default:
9992 return -1;
9993 }
9994}
9995
9996
d0cdccd3
PX		 9997static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
9998{
9999 int i, len, ret;
10000 u32 *freqs;
10001
10002 if (!freq_list)
10003 return 0;
10004 len = int_array_len(freq_list);
10005 freqs = os_malloc(sizeof(u32) * len);
10006 if (!freqs)
10007 return -1;
10008 for (i = 0; i < len; i++)
10009 freqs[i] = freq_list[i];
10010 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
10011 sizeof(u32) * len, freqs);
10012 os_free(freqs);
10013 return ret;
10014}
10015
10016
16689c7c
PX		 10017static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
10018{
10019 struct i802_bss *bss = priv;
10020 struct wpa_driver_nl80211_data *drv = bss->drv;
10021 struct nl_msg *msg;
10022 struct nlattr *data;
a862e4a3 10023 int ret;
16689c7c
PX		 10024 int mode;
10025
10026 mode = hw_mode_to_qca_acs(params->hw_mode);
10027 if (mode < 0)
10028 return -1;
10029
9725b784 10030 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 10031 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10032 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10033 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
10034 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10035 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
10036 (params->ht_enabled &&
10037 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
10038 (params->ht40_enabled &&
857d9422
MM		 10039 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
10040 (params->vht_enabled &&
10041 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
10042 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
10043 params->ch_width) ||
10044 (params->ch_list_len &&
10045 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
d0cdccd3
PX		 10046 params->ch_list)) ||
10047 add_acs_freq_list(msg, params->freq_list)) {
a862e4a3
JM		 10048 nlmsg_free(msg);
10049 return -ENOBUFS;
10050 }
16689c7c
PX		 10051 nla_nest_end(msg, data);
10052
857d9422
MM		 10053 wpa_printf(MSG_DEBUG,
10054 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
10055 params->hw_mode, params->ht_enabled, params->ht40_enabled,
10056 params->vht_enabled, params->ch_width, params->ch_list_len);
10057
16689c7c 10058 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX		 10059 if (ret) {
10060 wpa_printf(MSG_DEBUG,
10061 "nl80211: Failed to invoke driver ACS function: %s",
10062 strerror(errno));
10063 }
16689c7c
PX		 10064 return ret;
10065}
10066
10067
844dfeb8
SD		 10068static int nl80211_set_band(void *priv, enum set_band band)
10069{
10070 struct i802_bss *bss = priv;
10071 struct wpa_driver_nl80211_data *drv = bss->drv;
10072 struct nl_msg *msg;
10073 struct nlattr *data;
10074 int ret;
10075 enum qca_set_band qca_band;
10076
10077 if (!drv->setband_vendor_cmd_avail)
10078 return -1;
10079
10080 switch (band) {
10081 case WPA_SETBAND_AUTO:
10082 qca_band = QCA_SETBAND_AUTO;
10083 break;
10084 case WPA_SETBAND_5G:
10085 qca_band = QCA_SETBAND_5G;
10086 break;
10087 case WPA_SETBAND_2G:
10088 qca_band = QCA_SETBAND_2G;
10089 break;
10090 default:
10091 return -1;
10092 }
10093
10094 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10095 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10096 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10097 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
10098 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10099 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
10100 nlmsg_free(msg);
10101 return -ENOBUFS;
10102 }
10103 nla_nest_end(msg, data);
10104
10105 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10106 if (ret) {
10107 wpa_printf(MSG_DEBUG,
10108 "nl80211: Driver setband function failed: %s",
10109 strerror(errno));
10110 }
10111 return ret;
10112}
10113
10114
98342208
AK		 10115struct nl80211_pcl {
10116 unsigned int num;
10117 unsigned int *freq_list;
10118};
10119
10120static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
10121{
10122 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10123 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10124 struct nl80211_pcl *param = arg;
10125 struct nlattr *nl_vend, *attr;
10126 enum qca_iface_type iface_type;
10127 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10128 unsigned int num, max_num;
10129 u32 *freqs;
10130
10131 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10132 genlmsg_attrlen(gnlh, 0), NULL);
10133
10134 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
10135 if (!nl_vend)
10136 return NL_SKIP;
10137
10138 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10139 nla_data(nl_vend), nla_len(nl_vend), NULL);
10140
10141 attr = tb_vendor[
10142 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
10143 if (!attr) {
10144 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
10145 param->num = 0;
10146 return NL_SKIP;
10147 }
10148
10149 iface_type = (enum qca_iface_type) nla_get_u32(attr);
10150 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
10151 iface_type);
10152
10153 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
10154 if (!attr) {
10155 wpa_printf(MSG_ERROR,
10156 "nl80211: preferred_freq_list couldn't be found");
10157 param->num = 0;
10158 return NL_SKIP;
10159 }
10160
10161 /*
10162 * param->num has the maximum number of entries for which there
10163 * is room in the freq_list provided by the caller.
10164 */
10165 freqs = nla_data(attr);
10166 max_num = nla_len(attr) / sizeof(u32);
10167 if (max_num > param->num)
10168 max_num = param->num;
10169 for (num = 0; num < max_num; num++)
10170 param->freq_list[num] = freqs[num];
10171 param->num = num;
10172
10173 return NL_SKIP;
10174}
10175
10176
10177static int nl80211_get_pref_freq_list(void *priv,
10178 enum wpa_driver_if_type if_type,
10179 unsigned int *num,
10180 unsigned int *freq_list)
10181{
10182 struct i802_bss *bss = priv;
10183 struct wpa_driver_nl80211_data *drv = bss->drv;
10184 struct nl_msg *msg;
10185 int ret;
10186 unsigned int i;
10187 struct nlattr *params;
10188 struct nl80211_pcl param;
10189 enum qca_iface_type iface_type;
10190
10191 if (!drv->get_pref_freq_list)
10192 return -1;
10193
10194 switch (if_type) {
10195 case WPA_IF_STATION:
10196 iface_type = QCA_IFACE_TYPE_STA;
10197 break;
10198 case WPA_IF_AP_BSS:
10199 iface_type = QCA_IFACE_TYPE_AP;
10200 break;
10201 case WPA_IF_P2P_GO:
10202 iface_type = QCA_IFACE_TYPE_P2P_GO;
10203 break;
10204 case WPA_IF_P2P_CLIENT:
10205 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
10206 break;
10207 case WPA_IF_IBSS:
10208 iface_type = QCA_IFACE_TYPE_IBSS;
10209 break;
10210 case WPA_IF_TDLS:
10211 iface_type = QCA_IFACE_TYPE_TDLS;
10212 break;
10213 default:
10214 return -1;
10215 }
10216
10217 param.num = *num;
10218 param.freq_list = freq_list;
10219
10220 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10221 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
10222 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10223 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10224 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
10225 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10226 nla_put_u32(msg,
10227 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
10228 iface_type)) {
10229 wpa_printf(MSG_ERROR,
10230 "%s: err in adding vendor_cmd and vendor_data",
10231 __func__);
10232 nlmsg_free(msg);
10233 return -1;
10234 }
10235 nla_nest_end(msg, params);
10236
10237 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
10238 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
10239 if (ret) {
10240 wpa_printf(MSG_ERROR,
10241 "%s: err in send_and_recv_msgs", __func__);
10242 return ret;
10243 }
10244
10245 *num = param.num;
10246
10247 for (i = 0; i < *num; i++) {
10248 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
10249 i, freq_list[i]);
10250 }
10251
10252 return 0;
10253}
10254
10255
7c813acf
AK		 10256static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
10257{
10258 struct i802_bss *bss = priv;
10259 struct wpa_driver_nl80211_data *drv = bss->drv;
10260 struct nl_msg *msg;
10261 int ret;
10262 struct nlattr *params;
10263
10264 if (!drv->set_prob_oper_freq)
10265 return -1;
10266
10267 wpa_printf(MSG_DEBUG,
10268 "nl80211: Set P2P probable operating freq %u for ifindex %d",
10269 freq, bss->ifindex);
10270
10271 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10272 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10273 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10274 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
10275 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10276 nla_put_u32(msg,
10277 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
10278 QCA_IFACE_TYPE_P2P_CLIENT) ||
10279 nla_put_u32(msg,
10280 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
10281 freq)) {
10282 wpa_printf(MSG_ERROR,
10283 "%s: err in adding vendor_cmd and vendor_data",
10284 __func__);
10285 nlmsg_free(msg);
10286 return -1;
10287 }
10288 nla_nest_end(msg, params);
10289
10290 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10291 msg = NULL;
10292 if (ret) {
10293 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
10294 __func__);
10295 return ret;
10296 }
10297 nlmsg_free(msg);
10298 return 0;
10299}
10300
a6f5b193
PX		 10301
10302static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
10303 unsigned int period, unsigned int interval,
10304 unsigned int count, const u8 *device_types,
10305 size_t dev_types_len,
10306 const u8 *ies, size_t ies_len)
10307{
10308 struct i802_bss *bss = priv;
10309 struct wpa_driver_nl80211_data *drv = bss->drv;
10310 struct nl_msg *msg;
10311 struct nlattr *container;
10312 int ret;
10313
10314 wpa_printf(MSG_DEBUG,
10315 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
10316 freq, period, interval, count);
10317
10318 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10319 return -1;
10320
10321 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10322 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10323 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10324 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
10325 goto fail;
10326
10327 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10328 if (!container)
10329 goto fail;
10330
10331 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
10332 freq) ||
10333 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
10334 period) ||
10335 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
10336 interval) ||
10337 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
10338 count) ||
10339 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
10340 dev_types_len, device_types) ||
10341 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
10342 ies_len, ies))
10343 goto fail;
10344
10345 nla_nest_end(msg, container);
10346 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10347 msg = NULL;
10348 if (ret) {
10349 wpa_printf(MSG_DEBUG,
10350 "nl80211: Failed to send P2P Listen offload vendor command");
10351 goto fail;
10352 }
10353
10354 return 0;
10355
10356fail:
10357 nlmsg_free(msg);
10358 return -1;
10359}
10360
10361
10362static int nl80211_p2p_lo_stop(void *priv)
10363{
10364 struct i802_bss *bss = priv;
10365 struct wpa_driver_nl80211_data *drv = bss->drv;
10366 struct nl_msg *msg;
10367
10368 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
10369
10370 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10371 return -1;
10372
10373 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10374 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10375 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10376 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
10377 nlmsg_free(msg);
10378 return -1;
10379 }
10380
10381 return send_and_recv_msgs(drv, msg, NULL, NULL);
10382}
10383
2e4e4fb7
SD		 10384
10385static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
10386{
10387 struct i802_bss *bss = priv;
10388 struct wpa_driver_nl80211_data *drv = bss->drv;
10389 struct nl_msg *msg;
10390 struct nlattr *params;
10391 int ret;
10392 u32 tdls_mode;
10393
10394 wpa_printf(MSG_DEBUG,
10395 "nl80211: Set TDKS mode: tdls_external_control=%d",
10396 tdls_external_control);
10397
10398 if (tdls_external_control == 1)
10399 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
10400 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
10401 else
10402 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
10403
10404 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10405 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10406 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10407 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
10408 goto fail;
10409
10410 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10411 if (!params)
10412 goto fail;
10413
10414 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
10415 tdls_mode))
10416 goto fail;
10417
10418 nla_nest_end(msg, params);
10419
10420 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10421 msg = NULL;
10422 if (ret) {
10423 wpa_printf(MSG_ERROR,
10424 "nl80211: Set TDLS mode failed: ret=%d (%s)",
10425 ret, strerror(-ret));
10426 goto fail;
10427 }
10428 return 0;
10429fail:
10430 nlmsg_free(msg);
10431 return -1;
10432}
10433
3ab48492
KV		 10434
10435#ifdef CONFIG_MBO
10436
10437static enum mbo_transition_reject_reason
10438nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
10439{
10440 switch (status) {
10441 case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
10442 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
10443 case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
10444 return MBO_TRANSITION_REJECT_REASON_DELAY;
10445 case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
10446 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
10447 case QCA_STATUS_REJECT_LOW_RSSI:
10448 return MBO_TRANSITION_REJECT_REASON_RSSI;
10449 case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
10450 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
10451 case QCA_STATUS_REJECT_UNKNOWN:
10452 default:
10453 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
10454 }
10455}
10456
10457
10458static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
10459 struct nlattr *tb[], int num)
10460{
10461 enum qca_wlan_btm_candidate_status status;
10462 char buf[50];
10463
10464 os_memcpy(candidate->bssid,
10465 nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
10466 ETH_ALEN);
10467
10468 status = nla_get_u32(
10469 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
10470 candidate->is_accept = status == QCA_STATUS_ACCEPT;
10471 candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
10472
10473 if (candidate->is_accept)
10474 os_snprintf(buf, sizeof(buf), "Accepted");
10475 else
10476 os_snprintf(buf, sizeof(buf),
10477 "Rejected, Reject_reason: %d",
10478 candidate->reject_reason);
10479 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s",
10480 num, MAC2STR(candidate->bssid), buf);
10481}
10482
10483
10484static int
10485nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
10486{
10487 struct wpa_bss_candidate_info *info = arg;
10488 struct candidate_list *candidate = info->candidates;
10489 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
10490 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10491 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
10492 static struct nla_policy policy[
10493 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
10494 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
10495 .minlen = ETH_ALEN
10496 },
10497 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
10498 .type = NLA_U32,
10499 },
10500 };
10501 struct nlattr *attr;
10502 int rem;
10503 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10504 u8 num;
10505
10506 num = info->num; /* number of candidates sent to driver */
10507 info->num = 0;
10508 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10509 genlmsg_attrlen(gnlh, 0), NULL);
10510
10511 if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
10512 nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10513 tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
10514 !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
10515 return NL_SKIP;
10516
10517 wpa_printf(MSG_DEBUG,
10518 "nl80211: WNM Candidate list received from driver");
10519 nla_for_each_nested(attr,
10520 tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
10521 rem) {
10522 if (info->num >= num ||
10523 nla_parse_nested(
10524 tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
10525 attr, policy) ||
10526 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
10527 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
10528 break;
10529
10530 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
10531
10532 candidate++;
10533 info->num++;
10534 }
10535
10536 return NL_SKIP;
10537}
10538
10539
10540static struct wpa_bss_candidate_info *
10541nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
10542{
10543 struct i802_bss *bss = priv;
10544 struct wpa_driver_nl80211_data *drv = bss->drv;
10545 struct nl_msg *msg;
10546 struct nlattr *attr, *attr1, *attr2;
10547 struct wpa_bss_candidate_info *info;
10548 u8 i;
10549 int ret;
10550 u8 *pos;
10551
10552 if (!drv->fetch_bss_trans_status)
10553 return NULL;
10554
10555 info = os_zalloc(sizeof(*info));
10556 if (!info)
10557 return NULL;
10558 /* Allocate memory for number of candidates sent to driver */
10559 info->candidates = os_calloc(params->n_candidates,
10560 sizeof(*info->candidates));
10561 if (!info->candidates) {
10562 os_free(info);
10563 return NULL;
10564 }
10565
10566 /* Copy the number of candidates being sent to driver. This is used in
10567 * nl80211_get_bss_transition_status_handler() to limit the number of
10568 * candidates that can be populated in info->candidates and will be
10569 * later overwritten with the actual number of candidates received from
10570 * the driver.
10571 */
10572 info->num = params->n_candidates;
10573
10574 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10575 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10576 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10577 QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
10578 goto fail;
10579
10580 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10581 if (!attr)
10582 goto fail;
10583
10584 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
10585 params->mbo_transition_reason))
10586 goto fail;
10587
10588 attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
10589 if (!attr1)
10590 goto fail;
10591
10592 wpa_printf(MSG_DEBUG,
10593 "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
10594 params->mbo_transition_reason, params->n_candidates);
10595 pos = params->bssid;
10596 for (i = 0; i < params->n_candidates; i++) {
10597 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i,
10598 MAC2STR(pos));
10599 attr2 = nla_nest_start(msg, i);
10600 if (!attr2 ||
10601 nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
10602 ETH_ALEN, pos))
10603 goto fail;
10604 pos += ETH_ALEN;
10605 nla_nest_end(msg, attr2);
10606 }
10607
10608 nla_nest_end(msg, attr1);
10609 nla_nest_end(msg, attr);
10610
10611 ret = send_and_recv_msgs(drv, msg,
10612 nl80211_get_bss_transition_status_handler,
10613 info);
10614 msg = NULL;
10615 if (ret) {
10616 wpa_printf(MSG_ERROR,
10617 "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
10618 ret, strerror(-ret));
10619 goto fail;
10620 }
10621 return info;
10622
10623fail:
10624 nlmsg_free(msg);
10625 os_free(info->candidates);
10626 os_free(info);
10627 return NULL;
10628}
10629
178553b7
VK		 10630
10631/**
10632 * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
10633 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
10634 * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
10635 * Returns: 0 on success, -1 on failure
10636 */
10637static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
10638{
10639 struct i802_bss *bss = priv;
10640 struct wpa_driver_nl80211_data *drv = bss->drv;
10641 struct nl_msg *msg;
10642 struct nlattr *attr;
10643 int ret = -1;
10644
10645 if (!drv->set_wifi_conf_vendor_cmd_avail)
10646 return -1;
10647
10648 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10649 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10650 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10651 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
10652 goto fail;
10653
10654 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10655 if (!attr)
10656 goto fail;
10657
10658 wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
10659 ignore_disallow);
10660 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
10661 ignore_disallow))
10662 goto fail;
10663
10664 nla_nest_end(msg, attr);
10665
10666 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10667 msg = NULL;
10668 if (ret) {
10669 wpa_printf(MSG_ERROR,
10670 "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
10671 ret, strerror(-ret));
10672 goto fail;
10673 }
10674
10675fail:
10676 nlmsg_free(msg);
10677 return ret;
10678}
10679
3ab48492
KV		 10680#endif /* CONFIG_MBO */
10681
b658547d
JM		 10682#endif /* CONFIG_DRIVER_NL80211_QCA */
10683
7c813acf 10684
6922d440
IP		 10685static int nl80211_write_to_file(const char *name, unsigned int val)
10686{
10687 int fd, len;
10688 char tmp[128];
10689
10690 fd = open(name, O_RDWR);
10691 if (fd < 0) {
10692 wpa_printf(MSG_ERROR, "nl80211: Failed to open %s: %s",
10693 name, strerror(errno));
10694 return fd;
10695 }
10696
10697 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
10698 len = write(fd, tmp, len);
10699 if (len < 0)
10700 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
10701 name, strerror(errno));
10702 close(fd);
10703
10704 return 0;
10705}
10706
10707
10708static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
10709{
10710 struct i802_bss *bss = priv;
10711 char path[128];
10712 int ret;
10713
10714 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
10715 filter_flags);
10716
10717 /* Configure filtering of unicast frame encrypted using GTK */
10718 ret = os_snprintf(path, sizeof(path),
10719 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
10720 bss->ifname);
bd86ea08
JM		 10721 if (os_snprintf_error(sizeof(path), ret))
10722 return -1;
6922d440
IP		 10723
10724 ret = nl80211_write_to_file(path,
10725 !!(filter_flags &
10726 WPA_DATA_FRAME_FILTER_FLAG_GTK));
10727 if (ret) {
10728 wpa_printf(MSG_ERROR,
10729 "nl80211: Failed to set IPv4 unicast in multicast filter");
10730 return ret;
10731 }
10732
10733 os_snprintf(path, sizeof(path),
10734 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
10735 bss->ifname);
10736 ret = nl80211_write_to_file(path,
10737 !!(filter_flags &
10738 WPA_DATA_FRAME_FILTER_FLAG_GTK));
10739
10740 if (ret) {
10741 wpa_printf(MSG_ERROR,
10742 "nl80211: Failed to set IPv6 unicast in multicast filter");
10743 return ret;
10744 }
10745
10746 /* Configure filtering of unicast frame encrypted using GTK */
10747 os_snprintf(path, sizeof(path),
10748 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
10749 bss->ifname);
10750 ret = nl80211_write_to_file(path,
10751 !!(filter_flags &
10752 WPA_DATA_FRAME_FILTER_FLAG_ARP));
10753 if (ret) {
10754 wpa_printf(MSG_ERROR,
10755 "nl80211: Failed set gratuitous ARP filter");
10756 return ret;
10757 }
10758
10759 /* Configure filtering of IPv6 NA frames */
10760 os_snprintf(path, sizeof(path),
10761 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
10762 bss->ifname);
10763 ret = nl80211_write_to_file(path,
10764 !!(filter_flags &
10765 WPA_DATA_FRAME_FILTER_FLAG_NA));
10766 if (ret) {
10767 wpa_printf(MSG_ERROR,
10768 "nl80211: Failed to set unsolicited NA filter");
10769 return ret;
10770 }
10771
10772 return 0;
10773}
10774
10775
cc9a2575
KV		 10776static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
10777 const u8 **ext_capa, const u8 **ext_capa_mask,
10778 unsigned int *ext_capa_len)
10779{
10780 struct i802_bss *bss = priv;
10781 struct wpa_driver_nl80211_data *drv = bss->drv;
10782 enum nl80211_iftype nlmode;
10783 unsigned int i;
10784
10785 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
10786 return -1;
10787
10788 nlmode = wpa_driver_nl80211_if_type(type);
10789
10790 /* By default, use the per-radio values */
10791 *ext_capa = drv->extended_capa;
10792 *ext_capa_mask = drv->extended_capa_mask;
10793 *ext_capa_len = drv->extended_capa_len;
10794
10795 /* Replace the default value if a per-interface type value exists */
10796 for (i = 0; i < drv->num_iface_ext_capa; i++) {
10797 if (nlmode == drv->iface_ext_capa[i].iftype) {
10798 *ext_capa = drv->iface_ext_capa[i].ext_capa;
10799 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
10800 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
10801 break;
10802 }
10803 }
10804
10805 return 0;
10806}
10807
10808
3c67e977
VK		 10809static int nl80211_update_connection_params(
10810 void *priv, struct wpa_driver_associate_params *params,
10811 enum wpa_drv_update_connect_params_mask mask)
10812{
10813 struct i802_bss *bss = priv;
10814 struct wpa_driver_nl80211_data *drv = bss->drv;
10815 struct nl_msg *msg;
10816 int ret = -1;
10817 enum nl80211_auth_type type;
10818
10819 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
10820 if (!msg)
10821 goto fail;
10822
10823 wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
10824 drv->ifindex);
10825
10826 if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
10827 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
10828 params->wpa_ie))
10829 goto fail;
10830 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie,
10831 params->wpa_ie_len);
10832 }
10833
10834 if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
10835 type = get_nl_auth_type(params->auth_alg);
10836 if (type == NL80211_AUTHTYPE_MAX ||
10837 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
10838 goto fail;
10839 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
10840 }
10841
10842 if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
10843 nl80211_put_fils_connect_params(drv, params, msg))
10844 goto fail;
10845
10846 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10847 msg = NULL;
10848 if (ret)
10849 wpa_dbg(drv->ctx, MSG_DEBUG,
10850 "nl80211: Update connect params command failed: ret=%d (%s)",
10851 ret, strerror(-ret));
10852
10853fail:
10854 nlmsg_free(msg);
10855 return ret;
10856}
10857
10858
ba71cb82
SD		 10859static int nl80211_send_external_auth_status(void *priv,
10860 struct external_auth *params)
10861{
10862 struct i802_bss *bss = priv;
10863 struct wpa_driver_nl80211_data *drv = bss->drv;
10864 struct nl_msg *msg = NULL;
10865 int ret = -1;
10866
236e793e
SD		 10867 /* External auth command/status is intended for drivers that implement
10868 * intenral SME but want to offload authentication processing (e.g.,
10869 * SAE) to hostapd/wpa_supplicant. Do nott send the status to drivers
10870 * which do not support AP SME or use wpa_supplicant/hostapd SME.
10871 */
10872 if (!bss->drv->device_ap_sme ||
10873 (drv->capa.flags & WPA_DRIVER_FLAGS_SME))
10874 return -1;
10875
ba71cb82
SD		 10876 wpa_dbg(drv->ctx, MSG_DEBUG,
10877 "nl80211: External auth status: %u", params->status);
10878
10879 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH);
10880 if (!msg ||
10881 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) ||
dd1a8cef 10882 (params->ssid && params->ssid_len &&
236e793e
SD		 10883 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
10884 (params->pmkid &&
10885 nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) ||
dd1a8cef
JM		 10886 (params->bssid &&
10887 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
ba71cb82
SD		 10888 goto fail;
10889 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10890 msg = NULL;
10891 if (ret) {
10892 wpa_printf(MSG_DEBUG,
10893 "nl80211: External Auth status update failed: ret=%d (%s)",
10894 ret, strerror(-ret));
10895 goto fail;
10896 }
10897fail:
10898 nlmsg_free(msg);
10899 return ret;
10900}
10901
10902
5abc7823
VN		 10903static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
10904 int val)
10905{
10906 struct i802_bss *bss = priv;
10907 struct wpa_driver_nl80211_data *drv = bss->drv;
10908 struct nl_msg *msg;
10909 int ret = -ENOBUFS;
10910
10911 wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
10912 val ? "Enable" : "Disable", bridge_ifname);
10913
10914 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
10915 if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
10916 goto fail;
10917
10918 if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
10919 if (linux_br_del_if(drv->global->ioctl_sock,
10920 bridge_ifname, bss->ifname)) {
10921 wpa_printf(MSG_ERROR,
10922 "nl80211: Failed to remove interface %s from bridge %s",
10923 bss->ifname, bridge_ifname);
10924 return -1;
10925 }
10926 bss->added_if_into_bridge = 0;
10927 }
10928
10929 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10930 msg = NULL;
10931 if (!ret) {
10932 if (bridge_ifname[0] && val &&
10933 i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
10934 return -1;
10935 return 0;
10936 }
10937
10938fail:
10939 nlmsg_free(msg);
10940 wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
10941
10942 return ret;
10943}
10944
10945
3f5285e8
JM		 10946const struct wpa_driver_ops wpa_driver_nl80211_ops = {
10947 .name = "nl80211",
10948 .desc = "Linux nl80211/cfg80211",
10949 .get_bssid = wpa_driver_nl80211_get_bssid,
10950 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 10951 .set_key = driver_nl80211_set_key,
10952 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 10953 .sched_scan = wpa_driver_nl80211_sched_scan,
10954 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 10955 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
4f30addb 10956 .abort_scan = wpa_driver_nl80211_abort_scan,
9ebce9c5
JM		 10957 .deauthenticate = driver_nl80211_deauthenticate,
10958 .authenticate = driver_nl80211_authenticate,
3f5285e8 10959 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 10960 .global_init = nl80211_global_init,
10961 .global_deinit = nl80211_global_deinit,
10962 .init2 = wpa_driver_nl80211_init,
9ebce9c5 10963 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 10964 .get_capa = wpa_driver_nl80211_get_capa,
10965 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 10966 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 10967 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 10968 .get_country = wpa_driver_nl80211_get_country,
19c3b566 10969 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 10970 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 10971 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 10972 .if_remove = driver_nl80211_if_remove,
10973 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 10974 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 10975 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 10976 .sta_remove = driver_nl80211_sta_remove,
db149ac9 10977 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 10978 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
1d6f6385 10979 .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight,
c5121837 10980 .hapd_init = i802_init,
c5121837 10981 .hapd_deinit = i802_deinit,
f7b3920c 10982 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 10983 .get_seqnum = i802_get_seqnum,
10984 .flush = i802_flush,
c5121837
JM		 10985 .get_inact_sec = i802_get_inact_sec,
10986 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 10987 .set_rts = i802_set_rts,
10988 .set_frag = i802_set_frag,
c5121837 10989 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 10990 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 10991 .sta_deauth = i802_sta_deauth,
10992 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 10993 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 10994 .set_freq = i802_set_freq,
9ebce9c5 10995 .send_action = driver_nl80211_send_action,
5dfca53f 10996 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 10997 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
10998 .cancel_remain_on_channel =
10999 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 11000 .probe_req_report = driver_nl80211_probe_req_report,
af473088 11001 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 11002 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 11003 .resume = wpa_driver_nl80211_resume,
b625473c 11004 .signal_monitor = nl80211_signal_monitor,
1c5c7273 11005 .signal_poll = nl80211_signal_poll,
7f00dc6e 11006 .channel_info = nl80211_channel_info,
b91ab76e 11007 .send_frame = nl80211_send_frame,
c55f774d 11008 .set_param = nl80211_set_param,
6859f1cb 11009 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 11010 .add_pmkid = nl80211_add_pmkid,
11011 .remove_pmkid = nl80211_remove_pmkid,
11012 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 11013 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 11014 .poll_client = nl80211_poll_client,
29f338af 11015 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 11016 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 11017 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 11018#ifdef CONFIG_TDLS
11019 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
11020 .tdls_oper = nl80211_tdls_oper,
72b2605f
AN		 11021 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
11022 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
03ea1786 11023#endif /* CONFIG_TDLS */
6a1ce395 11024 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 11025 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 11026 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 11027 .status = wpa_driver_nl80211_status,
1c4ffa87 11028 .switch_channel = nl80211_switch_channel,
0de38036
JM		 11029#ifdef ANDROID_P2P
11030 .set_noa = wpa_driver_set_p2p_noa,
11031 .get_noa = wpa_driver_get_p2p_noa,
11032 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
11033#endif /* ANDROID_P2P */
5e2c3490 11034#ifdef ANDROID
ded14ce9 11035#ifndef ANDROID_LIB_STUB
5e2c3490 11036 .driver_cmd = wpa_driver_nl80211_driver_cmd,
ded14ce9 11037#endif /* !ANDROID_LIB_STUB */
5e2c3490 11038#endif /* ANDROID */
adef8948 11039 .vendor_cmd = nl80211_vendor_cmd,
049105b4 11040 .set_qos_map = nl80211_set_qos_map,
e4fa8b12 11041 .set_wowlan = nl80211_set_wowlan,
fee354c7 11042 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 11043#ifdef CONFIG_MESH
11044 .init_mesh = wpa_driver_nl80211_init_mesh,
11045 .join_mesh = wpa_driver_nl80211_join_mesh,
11046 .leave_mesh = wpa_driver_nl80211_leave_mesh,
11047#endif /* CONFIG_MESH */
71103bed
KP		 11048 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
11049 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 11050 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 11051 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB		 11052 .add_tx_ts = nl80211_add_ts,
11053 .del_tx_ts = nl80211_del_ts,
45e3fc72 11054 .get_ifindex = nl80211_get_ifindex,
b658547d 11055#ifdef CONFIG_DRIVER_NL80211_QCA
9607a1ae 11056 .roaming = nl80211_roaming,
d98038bb 11057 .disable_fils = nl80211_disable_fils,
16689c7c 11058 .do_acs = wpa_driver_do_acs,
844dfeb8 11059 .set_band = nl80211_set_band,
98342208 11060 .get_pref_freq_list = nl80211_get_pref_freq_list,
7c813acf 11061 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
a6f5b193
PX		 11062 .p2p_lo_start = nl80211_p2p_lo_start,
11063 .p2p_lo_stop = nl80211_p2p_lo_stop,
cc9985d1 11064 .set_default_scan_ies = nl80211_set_default_scan_ies,
2e4e4fb7 11065 .set_tdls_mode = nl80211_set_tdls_mode,
3ab48492
KV		 11066#ifdef CONFIG_MBO
11067 .get_bss_transition_status = nl80211_get_bss_transition_status,
178553b7 11068 .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
3ab48492 11069#endif /* CONFIG_MBO */
b04854ce 11070 .set_bssid_blacklist = nl80211_set_bssid_blacklist,
b658547d 11071#endif /* CONFIG_DRIVER_NL80211_QCA */
6922d440 11072 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
cc9a2575 11073 .get_ext_capab = nl80211_get_ext_capab,
3c67e977 11074 .update_connect_params = nl80211_update_connection_params,
ba71cb82 11075 .send_external_auth_status = nl80211_send_external_auth_status,
5abc7823 11076 .set_4addr_mode = nl80211_set_4addr_mode,
3f5285e8 11077};
Unnamed repository; edit this file 'description' to name the repository.