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nl80211: Report control port RX events
[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
c5121837 69
1c6edec6
JM		 70#ifdef ANDROID
71/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
1c6edec6
JM		 72#undef nl_socket_set_nonblocking
73#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
70a96c81 74
1c6edec6
JM		 75#endif /* ANDROID */
76
77
25ebd538 78static struct nl_sock * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 79{
25ebd538 80 struct nl_sock *handle;
a92dfde8 81
25ebd538 82 handle = nl_socket_alloc_cb(cb);
481234cf 83 if (handle == NULL) {
a92dfde8
JB		 84 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
85 "callbacks (%s)", dbg);
481234cf 86 return NULL;
a92dfde8
JB		 87 }
88
481234cf 89 if (genl_connect(handle)) {
a92dfde8
JB		 90 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
91 "netlink (%s)", dbg);
25ebd538 92 nl_socket_free(handle);
481234cf 93 return NULL;
a92dfde8
JB		 94 }
95
481234cf 96 return handle;
a92dfde8
JB		 97}
98
99
25ebd538 100static void nl_destroy_handles(struct nl_sock **handle)
a92dfde8 101{
481234cf 102 if (*handle == NULL)
a92dfde8 103 return;
25ebd538 104 nl_socket_free(*handle);
481234cf 105 *handle = NULL;
a92dfde8
JB		 106}
107
108
10b85921
JB		 109#if __WORDSIZE == 64
110#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
111#else
112#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
113#endif
114
25ebd538 115static void nl80211_register_eloop_read(struct nl_sock **handle,
5f65e9f7 116 eloop_sock_handler handler,
40a68f33 117 void *eloop_data, int persist)
5f65e9f7 118{
630b3230
JM		 119 /*
120 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
121 * by default. It is possible to hit that limit in some cases where
122 * operations are blocked, e.g., with a burst of Deauthentication frames
123 * to hostapd and STA entry deletion. Try to increase the buffer to make
124 * this less likely to occur.
125 */
3ea58a05
JM		 126 int err;
127
128 err = nl_socket_set_buffer_size(*handle, 262144, 0);
129 if (err < 0) {
630b3230
JM		 130 wpa_printf(MSG_DEBUG,
131 "nl80211: Could not set nl_socket RX buffer size: %s",
3ea58a05 132 nl_geterror(err));
630b3230
JM		 133 /* continue anyway with the default (smaller) buffer */
134 }
135
10b85921 136 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 137 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
138 eloop_data, *handle);
40a68f33
SD		 139 if (!persist)
140 *handle = (void *) (((intptr_t) *handle) ^
141 ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 142}
143
144
25ebd538 145static void nl80211_destroy_eloop_handle(struct nl_sock **handle, int persist)
5f65e9f7 146{
40a68f33
SD		 147 if (!persist)
148 *handle = (void *) (((intptr_t) *handle) ^
149 ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 150 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
151 nl_destroy_handles(handle);
152}
153
154
36d84860 155static void nl80211_global_deinit(void *priv);
f51f54a0 156static void nl80211_check_global(struct nl80211_global *global);
36d84860 157
9ebce9c5 158static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
4ec68377
JD		 159static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
160 struct hostapd_freq_params *freq);
3c5d34e3 161
362f781e 162static int
0d547d5f 163wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 164 const u8 *set_addr, int first,
165 const char *driver_params);
88df0ef7 166static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 167 unsigned int freq, unsigned int wait,
5ad372cc
JM		 168 const u8 *buf, size_t buf_len,
169 int save_cookie,
2d3943ce
AO		 170 int no_cck, int no_ack, int offchanok,
171 const u16 *csa_offs, size_t csa_offs_len);
9ebce9c5
JM		 172static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
173 int report);
0915d02c 174
732b1d20
MB		 175#define IFIDX_ANY -1
176
177static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
178 int ifidx_reason);
179static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
180 int ifidx_reason);
181static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
182 int ifidx_reason);
072ad14c 183
e87ef751
PX		 184static int nl80211_set_channel(struct i802_bss *bss,
185 struct hostapd_freq_params *freq, int set_chan);
4e5cb1a3
JM		 186static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
187 int ifindex, int disabled);
504e905c 188
666e508c
JM		 189static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
190 int reset_mode);
21bdbe38 191
bf83eab5 192static int i802_set_iface_flags(struct i802_bss *bss, int up);
0ecff8d7 193static int nl80211_set_param(void *priv, const char *param);
052b8d38
MH		 194#ifdef CONFIG_MESH
195static int nl80211_put_mesh_config(struct nl_msg *msg,
196 struct wpa_driver_mesh_bss_params *params);
197#endif /* CONFIG_MESH */
05e5e615 198static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 199 u16 reason);
bf83eab5 200
3f5285e8 201
8d1fdde7 202/* Converts nl80211_chan_width to a common format */
f3407c66 203enum chan_width convert2width(int width)
8d1fdde7
JD		 204{
205 switch (width) {
206 case NL80211_CHAN_WIDTH_20_NOHT:
207 return CHAN_WIDTH_20_NOHT;
208 case NL80211_CHAN_WIDTH_20:
209 return CHAN_WIDTH_20;
210 case NL80211_CHAN_WIDTH_40:
211 return CHAN_WIDTH_40;
212 case NL80211_CHAN_WIDTH_80:
213 return CHAN_WIDTH_80;
214 case NL80211_CHAN_WIDTH_80P80:
215 return CHAN_WIDTH_80P80;
216 case NL80211_CHAN_WIDTH_160:
217 return CHAN_WIDTH_160;
218 }
219 return CHAN_WIDTH_UNKNOWN;
220}
221
222
f3407c66 223int is_ap_interface(enum nl80211_iftype nlmode)
b1f625e0 224{
0e80ea2c
JM		 225 return nlmode == NL80211_IFTYPE_AP ||
226 nlmode == NL80211_IFTYPE_P2P_GO;
b1f625e0
EP		 227}
228
229
477af8f8 230int is_sta_interface(enum nl80211_iftype nlmode)
b1f625e0 231{
0e80ea2c
JM		 232 return nlmode == NL80211_IFTYPE_STATION ||
233 nlmode == NL80211_IFTYPE_P2P_CLIENT;
b1f625e0
EP		 234}
235
236
6a71413e 237static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2 238{
0e80ea2c
JM		 239 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
240 nlmode == NL80211_IFTYPE_P2P_GO;
b3af99d2
JM		 241}
242
243
f3407c66
JM		 244struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
245 int ifindex)
5dfbd725
JM		 246{
247 struct i802_bss *bss;
248
249 for (bss = drv->first_bss; bss; bss = bss->next) {
250 if (bss->ifindex == ifindex)
251 return bss;
252 }
253
254 return NULL;
255}
256
257
afb0550a
BC		 258static int is_mesh_interface(enum nl80211_iftype nlmode)
259{
260 return nlmode == NL80211_IFTYPE_MESH_POINT;
261}
262
263
f3407c66 264void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
add9b7a4
JM		 265{
266 if (drv->associated)
267 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
268 drv->associated = 0;
269 os_memset(drv->bssid, 0, ETH_ALEN);
091c2277 270 drv->first_bss->freq = 0;
add9b7a4
JM		 271}
272
273
6241fcb1
JM		 274/* nl80211 code */
275static int ack_handler(struct nl_msg *msg, void *arg)
276{
277 int *err = arg;
278 *err = 0;
279 return NL_STOP;
280}
281
282static int finish_handler(struct nl_msg *msg, void *arg)
283{
8e8df255
JM		 284 int *ret = arg;
285 *ret = 0;
6241fcb1
JM		 286 return NL_SKIP;
287}
288
289static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
290 void *arg)
291{
40432e6e
JB		 292 struct nlmsghdr *nlh = (struct nlmsghdr *) err - 1;
293 int len = nlh->nlmsg_len;
294 struct nlattr *attrs;
295 struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
6241fcb1 296 int *ret = arg;
40432e6e
JB		 297 int ack_len = sizeof(*nlh) + sizeof(int) + sizeof(*nlh);
298
6241fcb1 299 *ret = err->error;
40432e6e
JB		 300
301 if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS))
302 return NL_SKIP;
303
304 if (!(nlh->nlmsg_flags & NLM_F_CAPPED))
305 ack_len += err->msg.nlmsg_len - sizeof(*nlh);
306
307 if (len <= ack_len)
308 return NL_STOP;
309
310 attrs = (void *) ((unsigned char *) nlh + ack_len);
311 len -= ack_len;
312
313 nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, len, NULL);
314 if (tb[NLMSGERR_ATTR_MSG]) {
315 len = strnlen((char *) nla_data(tb[NLMSGERR_ATTR_MSG]),
316 nla_len(tb[NLMSGERR_ATTR_MSG]));
317 wpa_printf(MSG_ERROR, "nl80211: kernel reports: %*s",
318 len, (char *) nla_data(tb[NLMSGERR_ATTR_MSG]));
319 }
320
6241fcb1
JM		 321 return NL_SKIP;
322}
323
5b7b85f6
JM		 324
325static int no_seq_check(struct nl_msg *msg, void *arg)
326{
327 return NL_OK;
328}
329
330
bbd89bfc
JM		 331static void nl80211_nlmsg_clear(struct nl_msg *msg)
332{
333 /*
334 * Clear nlmsg data, e.g., to make sure key material is not left in
335 * heap memory for unnecessarily long time.
336 */
337 if (msg) {
338 struct nlmsghdr *hdr = nlmsg_hdr(msg);
339 void *data = nlmsg_data(hdr);
d58ade21
JM		 340 /*
341 * This would use nlmsg_datalen() or the older nlmsg_len() if
342 * only libnl were to maintain a stable API.. Neither will work
343 * with all released versions, so just calculate the length
344 * here.
345 */
346 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
bbd89bfc
JM		 347
348 os_memset(data, 0, len);
349 }
350}
351
352
d6c9aab8 353static int send_and_recv(struct nl80211_global *global,
25ebd538 354 struct nl_sock *nl_handle, struct nl_msg *msg,
58f6fbe0
JM		 355 int (*valid_handler)(struct nl_msg *, void *),
356 void *valid_data)
6241fcb1
JM		 357{
358 struct nl_cb *cb;
40432e6e 359 int err = -ENOMEM, opt;
6241fcb1 360
9725b784
JM		 361 if (!msg)
362 return -ENOMEM;
363
d6c9aab8 364 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 365 if (!cb)
366 goto out;
367
40432e6e
JB		 368 /* try to set NETLINK_EXT_ACK to 1, ignoring errors */
369 opt = 1;
370 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
371 NETLINK_EXT_ACK, &opt, sizeof(opt));
372
b14e8ea1
JM		 373 /* try to set NETLINK_CAP_ACK to 1, ignoring errors */
374 opt = 1;
375 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
376 NETLINK_CAP_ACK, &opt, sizeof(opt));
377
58f6fbe0 378 err = nl_send_auto_complete(nl_handle, msg);
3ea58a05
JM		 379 if (err < 0) {
380 wpa_printf(MSG_INFO,
381 "nl80211: nl_send_auto_complete() failed: %s",
382 nl_geterror(err));
383 /* Need to convert libnl error code to an errno value. For now,
384 * just hardcode this to EBADF; the real error reason is shown
385 * in that error print above. */
386 err = -EBADF;
6241fcb1 387 goto out;
3ea58a05 388 }
6241fcb1
JM		 389
390 err = 1;
391
392 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 393 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 394 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
395
396 if (valid_handler)
397 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
398 valid_handler, valid_data);
399
34068ac3
JM		 400 while (err > 0) {
401 int res = nl_recvmsgs(nl_handle, cb);
16a26672
JM		 402
403 if (res == -NLE_DUMP_INTR) {
404 /* Most likely one of the nl80211 dump routines hit a
405 * case where internal results changed while the dump
406 * was being sent. The most common known case for this
407 * is scan results fetching while associated were every
408 * received Beacon frame from the AP may end up
409 * incrementing bss_generation. This
410 * NL80211_CMD_GET_SCAN case tries again in the caller;
411 * other cases (of which there are no known common ones)
412 * will stop and return an error. */
413 wpa_printf(MSG_DEBUG, "nl80211: %s; convert to -EAGAIN",
414 nl_geterror(res));
415 err = -EAGAIN;
416 } else if (res < 0) {
34068ac3 417 wpa_printf(MSG_INFO,
3ea58a05
JM		 418 "nl80211: %s->nl_recvmsgs failed: %d (%s)",
419 __func__, res, nl_geterror(res));
34068ac3
JM		 420 }
421 }
6241fcb1
JM		 422 out:
423 nl_cb_put(cb);
bbd89bfc
JM		 424 if (!valid_handler && valid_data == (void *) -1)
425 nl80211_nlmsg_clear(msg);
6241fcb1
JM		 426 nlmsg_free(msg);
427 return err;
428}
429
430
f3407c66
JM		 431int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
432 struct nl_msg *msg,
433 int (*valid_handler)(struct nl_msg *, void *),
434 void *valid_data)
58f6fbe0 435{
481234cf 436 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 437 valid_handler, valid_data);
58f6fbe0
JM		 438}
439
440
97865538
JM		 441struct family_data {
442 const char *group;
443 int id;
444};
445
446
447static int family_handler(struct nl_msg *msg, void *arg)
448{
449 struct family_data *res = arg;
450 struct nlattr *tb[CTRL_ATTR_MAX + 1];
451 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
452 struct nlattr *mcgrp;
453 int i;
454
455 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
456 genlmsg_attrlen(gnlh, 0), NULL);
457 if (!tb[CTRL_ATTR_MCAST_GROUPS])
458 return NL_SKIP;
459
460 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
461 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
462 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
463 nla_len(mcgrp), NULL);
464 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
465 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
466 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
467 res->group,
468 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
469 continue;
470 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
471 break;
472 };
473
474 return NL_SKIP;
475}
476
477
d6c9aab8 478static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 479 const char *family, const char *group)
480{
481 struct nl_msg *msg;
a862e4a3 482 int ret;
97865538
JM		 483 struct family_data res = { group, -ENOENT };
484
485 msg = nlmsg_alloc();
486 if (!msg)
487 return -ENOMEM;
a862e4a3
JM		 488 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
489 0, 0, CTRL_CMD_GETFAMILY, 0) ||
490 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
491 nlmsg_free(msg);
492 return -1;
493 }
97865538 494
1033315f 495 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
97865538
JM		 496 if (ret == 0)
497 ret = res.id;
97865538
JM		 498 return ret;
499}
500
501
f3407c66
JM		 502void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
503 struct nl_msg *msg, int flags, uint8_t cmd)
9fb04070 504{
a5a187b0
JM		 505 if (TEST_FAIL())
506 return NULL;
335d42b1 507 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 508 0, flags, cmd, 0);
9fb04070
JM		 509}
510
511
350acc35
JM		 512static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
513{
514 if (bss->wdev_id_set)
515 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
516 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
517}
518
519
07c7757c
JM		 520struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
521{
522 struct nl_msg *msg;
523
524 msg = nlmsg_alloc();
525 if (!msg)
526 return NULL;
527
528 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
529 nl80211_set_iface_id(msg, bss) < 0) {
530 nlmsg_free(msg);
531 return NULL;
532 }
533
534 return msg;
535}
536
537
538static struct nl_msg *
539nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
540 int flags, uint8_t cmd)
541{
542 struct nl_msg *msg;
543
544 msg = nlmsg_alloc();
545 if (!msg)
546 return NULL;
547
548 if (!nl80211_cmd(drv, msg, flags, cmd) ||
549 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
550 nlmsg_free(msg);
551 return NULL;
552 }
553
554 return msg;
555}
556
557
558struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
559 uint8_t cmd)
560{
561 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
562}
563
564
565struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
566{
567 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
568}
569
570
e32ad281
JB		 571struct wiphy_idx_data {
572 int wiphy_idx;
01517c8b 573 enum nl80211_iftype nlmode;
597b94f5 574 u8 *macaddr;
e32ad281
JB		 575};
576
577
578static int netdev_info_handler(struct nl_msg *msg, void *arg)
579{
580 struct nlattr *tb[NL80211_ATTR_MAX + 1];
581 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
582 struct wiphy_idx_data *info = arg;
583
584 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
585 genlmsg_attrlen(gnlh, 0), NULL);
586
587 if (tb[NL80211_ATTR_WIPHY])
588 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
589
01517c8b
JB		 590 if (tb[NL80211_ATTR_IFTYPE])
591 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
592
597b94f5
AS		 593 if (tb[NL80211_ATTR_MAC] && info->macaddr)
594 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
595 ETH_ALEN);
596
e32ad281
JB		 597 return NL_SKIP;
598}
599
600
f3407c66 601int nl80211_get_wiphy_index(struct i802_bss *bss)
e32ad281
JB		 602{
603 struct nl_msg *msg;
604 struct wiphy_idx_data data = {
605 .wiphy_idx = -1,
597b94f5 606 .macaddr = NULL,
e32ad281
JB		 607 };
608
56f77852 609 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 610 return -1;
e32ad281
JB		 611
612 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
613 return data.wiphy_idx;
e32ad281
JB		 614 return -1;
615}
616
617
01517c8b
JB		 618static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
619{
620 struct nl_msg *msg;
621 struct wiphy_idx_data data = {
597b94f5
AS		 622 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
623 .macaddr = NULL,
01517c8b
JB		 624 };
625
56f77852 626 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 627 return NL80211_IFTYPE_UNSPECIFIED;
01517c8b
JB		 628
629 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
630 return data.nlmode;
01517c8b
JB		 631 return NL80211_IFTYPE_UNSPECIFIED;
632}
01517c8b
JB		 633
634
597b94f5
AS		 635static int nl80211_get_macaddr(struct i802_bss *bss)
636{
637 struct nl_msg *msg;
638 struct wiphy_idx_data data = {
639 .macaddr = bss->addr,
640 };
641
56f77852 642 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 643 return -1;
597b94f5 644
597b94f5 645 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
597b94f5 646}
597b94f5
AS		 647
648
e32ad281
JB		 649static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
650 struct nl80211_wiphy_data *w)
651{
652 struct nl_msg *msg;
a862e4a3 653 int ret;
e32ad281
JB		 654
655 msg = nlmsg_alloc();
656 if (!msg)
657 return -1;
658
a862e4a3
JM		 659 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
660 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
661 nlmsg_free(msg);
662 return -1;
663 }
e32ad281 664
481234cf 665 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 666 if (ret) {
667 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
668 "failed: ret=%d (%s)",
669 ret, strerror(-ret));
e32ad281 670 }
e32ad281
JB		 671 return ret;
672}
673
674
675static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
676{
677 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 678 int res;
e32ad281 679
ee9fc67a 680 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 681
34068ac3 682 res = nl_recvmsgs(handle, w->nl_cb);
d3d04831 683 if (res < 0) {
34068ac3
JM		 684 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
685 __func__, res);
686 }
e32ad281
JB		 687}
688
689
690static int process_beacon_event(struct nl_msg *msg, void *arg)
691{
692 struct nl80211_wiphy_data *w = arg;
693 struct wpa_driver_nl80211_data *drv;
694 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
695 struct nlattr *tb[NL80211_ATTR_MAX + 1];
696 union wpa_event_data event;
697
698 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
699 genlmsg_attrlen(gnlh, 0), NULL);
700
701 if (gnlh->cmd != NL80211_CMD_FRAME) {
702 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
703 gnlh->cmd);
704 return NL_SKIP;
705 }
706
707 if (!tb[NL80211_ATTR_FRAME])
708 return NL_SKIP;
709
710 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
711 wiphy_list) {
712 os_memset(&event, 0, sizeof(event));
713 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
714 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
715 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
716 }
717
718 return NL_SKIP;
719}
720
721
722static struct nl80211_wiphy_data *
723nl80211_get_wiphy_data_ap(struct i802_bss *bss)
724{
725 static DEFINE_DL_LIST(nl80211_wiphys);
726 struct nl80211_wiphy_data *w;
727 int wiphy_idx, found = 0;
728 struct i802_bss *tmp_bss;
a70cd0db 729 u8 channel;
e32ad281
JB		 730
731 if (bss->wiphy_data != NULL)
732 return bss->wiphy_data;
733
734 wiphy_idx = nl80211_get_wiphy_index(bss);
735
736 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
737 if (w->wiphy_idx == wiphy_idx)
738 goto add;
739 }
740
741 /* alloc new one */
742 w = os_zalloc(sizeof(*w));
743 if (w == NULL)
744 return NULL;
745 w->wiphy_idx = wiphy_idx;
746 dl_list_init(&w->bsss);
747 dl_list_init(&w->drvs);
748
a70cd0db
DL		 749 /* Beacon frames not supported in IEEE 802.11ad */
750 if (ieee80211_freq_to_chan(bss->freq, &channel) !=
751 HOSTAPD_MODE_IEEE80211AD) {
752 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
753 if (!w->nl_cb) {
754 os_free(w);
755 return NULL;
756 }
757 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
758 no_seq_check, NULL);
759 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
760 process_beacon_event, w);
761
762 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
763 "wiphy beacons");
764 if (w->nl_beacons == NULL) {
765 os_free(w);
766 return NULL;
767 }
e32ad281 768
a70cd0db
DL		 769 if (nl80211_register_beacons(bss->drv, w)) {
770 nl_destroy_handles(&w->nl_beacons);
771 os_free(w);
772 return NULL;
773 }
e32ad281 774
a70cd0db 775 nl80211_register_eloop_read(&w->nl_beacons,
40a68f33 776 nl80211_recv_beacons, w, 0);
e32ad281
JB		 777 }
778
e32ad281
JB		 779 dl_list_add(&nl80211_wiphys, &w->list);
780
781add:
782 /* drv entry for this bss already there? */
783 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
784 if (tmp_bss->drv == bss->drv) {
785 found = 1;
786 break;
787 }
788 }
789 /* if not add it */
790 if (!found)
791 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
792
793 dl_list_add(&w->bsss, &bss->wiphy_list);
794 bss->wiphy_data = w;
795 return w;
796}
797
798
799static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
800{
801 struct nl80211_wiphy_data *w = bss->wiphy_data;
802 struct i802_bss *tmp_bss;
803 int found = 0;
804
805 if (w == NULL)
806 return;
807 bss->wiphy_data = NULL;
808 dl_list_del(&bss->wiphy_list);
809
810 /* still any for this drv present? */
811 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
812 if (tmp_bss->drv == bss->drv) {
813 found = 1;
814 break;
815 }
816 }
817 /* if not remove it */
818 if (!found)
819 dl_list_del(&bss->drv->wiphy_list);
820
821 if (!dl_list_empty(&w->bsss))
822 return;
823
a70cd0db 824 if (w->nl_beacons)
40a68f33 825 nl80211_destroy_eloop_handle(&w->nl_beacons, 0);
e32ad281
JB		 826
827 nl_cb_put(w->nl_cb);
e32ad281
JB		 828 dl_list_del(&w->list);
829 os_free(w);
830}
831
832
45e3fc72
RM		 833static unsigned int nl80211_get_ifindex(void *priv)
834{
835 struct i802_bss *bss = priv;
836 struct wpa_driver_nl80211_data *drv = bss->drv;
837
838 return drv->ifindex;
839}
840
841
3f5285e8
JM		 842static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
843{
a2e40bb6
FF		 844 struct i802_bss *bss = priv;
845 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 846 if (!drv->associated)
847 return -1;
848 os_memcpy(bssid, drv->bssid, ETH_ALEN);
849 return 0;
3f5285e8
JM		 850}
851
852
3f5285e8
JM		 853static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
854{
a2e40bb6
FF		 855 struct i802_bss *bss = priv;
856 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 857 if (!drv->associated)
858 return -1;
859 os_memcpy(ssid, drv->ssid, drv->ssid_len);
860 return drv->ssid_len;
3f5285e8
JM		 861}
862
863
90a545cc 864static void wpa_driver_nl80211_event_newlink(
45e3fc72
RM		 865 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
866 int ifindex, const char *ifname)
3f5285e8
JM		 867{
868 union wpa_event_data event;
869
45e3fc72 870 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 871 if (if_nametoindex(drv->first_bss->ifname) == 0) {
872 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
873 drv->first_bss->ifname);
874 return;
875 }
876 if (!drv->if_removed)
877 return;
878 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
879 drv->first_bss->ifname);
880 drv->if_removed = 0;
881 }
882
3f5285e8 883 os_memset(&event, 0, sizeof(event));
45e3fc72 884 event.interface_status.ifindex = ifindex;
90a545cc
JM		 885 os_strlcpy(event.interface_status.ifname, ifname,
886 sizeof(event.interface_status.ifname));
887 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
45e3fc72
RM		 888 if (drv)
889 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
890 else
891 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
892 &event);
90a545cc
JM		 893}
894
895
896static void wpa_driver_nl80211_event_dellink(
45e3fc72
RM		 897 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
898 int ifindex, const char *ifname)
90a545cc
JM		 899{
900 union wpa_event_data event;
901
45e3fc72 902 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 903 if (drv->if_removed) {
904 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
905 ifname);
906 return;
d1f4942b 907 }
90a545cc
JM		 908 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
909 ifname);
910 drv->if_removed = 1;
911 } else {
912 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
913 ifname);
7524cfb1
JM		 914 }
915
90a545cc 916 os_memset(&event, 0, sizeof(event));
45e3fc72 917 event.interface_status.ifindex = ifindex;
90a545cc
JM		 918 os_strlcpy(event.interface_status.ifname, ifname,
919 sizeof(event.interface_status.ifname));
920 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
45e3fc72
RM		 921 if (drv)
922 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
923 else
924 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
925 &event);
3f5285e8
JM		 926}
927
928
7524cfb1 929static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 930 u8 *buf, size_t len)
7524cfb1 931{
62d680c3 932 int attrlen, rta_len;
7524cfb1
JM		 933 struct rtattr *attr;
934
62d680c3
JM		 935 attrlen = len;
936 attr = (struct rtattr *) buf;
7524cfb1
JM		 937
938 rta_len = RTA_ALIGN(sizeof(struct rtattr));
939 while (RTA_OK(attr, attrlen)) {
940 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 941 if (os_strcmp(((char *) attr) + rta_len,
942 drv->first_bss->ifname) == 0)
7524cfb1
JM		 943 return 1;
944 else
945 break;
946 }
947 attr = RTA_NEXT(attr, attrlen);
948 }
949
950 return 0;
951}
952
953
954static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 955 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 956{
957 if (drv->ifindex == ifindex)
958 return 1;
959
62d680c3 960 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
f51f54a0 961 nl80211_check_global(drv->global);
7524cfb1
JM		 962 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
963 "interface");
5e0c20ff
JM		 964 if (wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL) < 0)
965 return -1;
7524cfb1
JM		 966 return 1;
967 }
968
969 return 0;
970}
971
972
36d84860 973static struct wpa_driver_nl80211_data *
5e0c20ff
JM		 974nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len,
975 int *init_failed)
36d84860
BG		 976{
977 struct wpa_driver_nl80211_data *drv;
5e0c20ff
JM		 978 int res;
979
980 if (init_failed)
981 *init_failed = 0;
36d84860
BG		 982 dl_list_for_each(drv, &global->interfaces,
983 struct wpa_driver_nl80211_data, list) {
5e0c20ff
JM		 984 res = wpa_driver_nl80211_own_ifindex(drv, idx, buf, len);
985 if (res < 0) {
986 wpa_printf(MSG_DEBUG,
987 "nl80211: Found matching own interface, but failed to complete reinitialization");
988 if (init_failed)
989 *init_failed = 1;
990 return drv;
991 }
992 if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY))
36d84860
BG		 993 return drv;
994 }
995 return NULL;
996}
997
998
290834df 999static void nl80211_refresh_mac(struct wpa_driver_nl80211_data *drv,
77a020a1 1000 int ifindex, int notify)
290834df
BG		 1001{
1002 struct i802_bss *bss;
1003 u8 addr[ETH_ALEN];
1004
1005 bss = get_bss_ifindex(drv, ifindex);
1006 if (bss &&
1007 linux_get_ifhwaddr(drv->global->ioctl_sock,
1008 bss->ifname, addr) < 0) {
1009 wpa_printf(MSG_DEBUG,
1010 "nl80211: %s: failed to re-read MAC address",
1011 bss->ifname);
1012 } else if (bss && os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1013 wpa_printf(MSG_DEBUG,
1014 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1015 MACSTR " to " MACSTR,
1016 ifindex, bss->ifname,
1017 MAC2STR(bss->addr), MAC2STR(addr));
1018 os_memcpy(bss->addr, addr, ETH_ALEN);
77a020a1
BG		 1019 if (notify)
1020 wpa_supplicant_event(drv->ctx,
1021 EVENT_INTERFACE_MAC_CHANGED, NULL);
290834df
BG		 1022 }
1023}
1024
1025
62d680c3
JM		 1026static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1027 struct ifinfomsg *ifi,
1028 u8 *buf, size_t len)
3f5285e8 1029{
36d84860
BG		 1030 struct nl80211_global *global = ctx;
1031 struct wpa_driver_nl80211_data *drv;
90a545cc 1032 int attrlen;
62d680c3 1033 struct rtattr *attr;
97cfcf64 1034 u32 brid = 0;
aef85ba2 1035 char namebuf[IFNAMSIZ];
90a545cc
JM		 1036 char ifname[IFNAMSIZ + 1];
1037 char extra[100], *pos, *end;
5e0c20ff 1038 int init_failed;
3f5285e8 1039
90a545cc
JM		 1040 extra[0] = '\0';
1041 pos = extra;
1042 end = pos + sizeof(extra);
1043 ifname[0] = '\0';
1044
1045 attrlen = len;
1046 attr = (struct rtattr *) buf;
1047 while (RTA_OK(attr, attrlen)) {
1048 switch (attr->rta_type) {
1049 case IFLA_IFNAME:
1050 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1051 break;
1052 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1053 ifname[RTA_PAYLOAD(attr)] = '\0';
1054 break;
1055 case IFLA_MASTER:
1056 brid = nla_get_u32((struct nlattr *) attr);
1057 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1058 break;
1059 case IFLA_WIRELESS:
1060 pos += os_snprintf(pos, end - pos, " wext");
1061 break;
1062 case IFLA_OPERSTATE:
1063 pos += os_snprintf(pos, end - pos, " operstate=%u",
1064 nla_get_u32((struct nlattr *) attr));
1065 break;
1066 case IFLA_LINKMODE:
1067 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1068 nla_get_u32((struct nlattr *) attr));
1069 break;
1070 }
1071 attr = RTA_NEXT(attr, attrlen);
1072 }
1073 extra[sizeof(extra) - 1] = '\0';
1074
f2e90835
JM		 1075 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1076 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1077 ifi->ifi_flags,
3f5285e8
JM		 1078 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1079 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1080 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1081 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4 1082
5e0c20ff 1083 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, &init_failed);
45e3fc72
RM		 1084 if (!drv)
1085 goto event_newlink;
5e0c20ff
JM		 1086 if (init_failed)
1087 return; /* do not update interface state */
45e3fc72 1088
a63063b4 1089 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
106fa1e9 1090 namebuf[0] = '\0';
59d24925 1091 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1092 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
59d24925
JM		 1093 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1094 "event since interface %s is up", namebuf);
7a94120e 1095 drv->ignore_if_down_event = 0;
77a020a1
BG		 1096 /* Re-read MAC address as it may have changed */
1097 nl80211_refresh_mac(drv, ifi->ifi_index, 1);
59d24925
JM		 1098 return;
1099 }
106fa1e9
JM		 1100 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
1101 namebuf, ifname);
1102 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1103 wpa_printf(MSG_DEBUG,
1104 "nl80211: Not the main interface (%s) - do not indicate interface down",
1105 drv->first_bss->ifname);
1106 } else if (drv->ignore_if_down_event) {
7d9c3698
JM		 1107 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1108 "event generated by mode change");
1109 drv->ignore_if_down_event = 0;
1110 } else {
1111 drv->if_disabled = 1;
1112 wpa_supplicant_event(drv->ctx,
1113 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO		 1114
1115 /*
1116 * Try to get drv again, since it may be removed as
1117 * part of the EVENT_INTERFACE_DISABLED handling for
1118 * dynamic interfaces
1119 */
1120 drv = nl80211_find_drv(global, ifi->ifi_index,
5e0c20ff 1121 buf, len, NULL);
819f096f
AO		 1122 if (!drv)
1123 return;
7d9c3698 1124 }
a63063b4
JM		 1125 }
1126
1127 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
8a9950f7 1128 namebuf[0] = '\0';
aef85ba2 1129 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1130 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
aef85ba2
JM		 1131 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1132 "event since interface %s is down",
1133 namebuf);
8a9950f7
HW		 1134 return;
1135 }
1136 wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)",
1137 namebuf, ifname);
1138 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1139 wpa_printf(MSG_DEBUG,
1140 "nl80211: Not the main interface (%s) - do not indicate interface up",
1141 drv->first_bss->ifname);
834ee56f 1142 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 1143 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1144 "event since interface %s does not exist",
834ee56f 1145 drv->first_bss->ifname);
d1f4942b
JM		 1146 } else if (drv->if_removed) {
1147 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1148 "event since interface %s is marked "
834ee56f 1149 "removed", drv->first_bss->ifname);
aef85ba2 1150 } else {
3e0272ca 1151 /* Re-read MAC address as it may have changed */
77a020a1 1152 nl80211_refresh_mac(drv, ifi->ifi_index, 0);
3e0272ca 1153
aef85ba2
JM		 1154 drv->if_disabled = 0;
1155 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1156 NULL);
1157 }
a63063b4
JM		 1158 }
1159
3f5285e8
JM		 1160 /*
1161 * Some drivers send the association event before the operup event--in
1162 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1163 * fails. This will hit us when wpa_supplicant does not need to do
1164 * IEEE 802.1X authentication
1165 */
1166 if (drv->operstate == 1 &&
1167 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM		 1168 !(ifi->ifi_flags & IFF_RUNNING)) {
1169 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1170 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1171 -1, IF_OPER_UP);
3f5285e8 1172 }
97cfcf64 1173
45e3fc72 1174event_newlink:
90a545cc 1175 if (ifname[0])
45e3fc72
RM		 1176 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1177 ifname);
90a545cc 1178
45e3fc72 1179 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
392dfd37
JM		 1180 struct i802_bss *bss;
1181
97cfcf64 1182 /* device has been added to bridge */
40e76396
JM		 1183 if (!if_indextoname(brid, namebuf)) {
1184 wpa_printf(MSG_DEBUG,
1185 "nl80211: Could not find bridge ifname for ifindex %u",
1186 brid);
1187 return;
1188 }
97cfcf64
B		 1189 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1190 brid, namebuf);
732b1d20 1191 add_ifidx(drv, brid, ifi->ifi_index);
392dfd37
JM		 1192
1193 for (bss = drv->first_bss; bss; bss = bss->next) {
1194 if (os_strcmp(ifname, bss->ifname) == 0) {
1195 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1196 break;
1197 }
1198 }
97cfcf64 1199 }
3f5285e8
JM		 1200}
1201
1202
62d680c3
JM		 1203static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1204 struct ifinfomsg *ifi,
1205 u8 *buf, size_t len)
3f5285e8 1206{
36d84860
BG		 1207 struct nl80211_global *global = ctx;
1208 struct wpa_driver_nl80211_data *drv;
90a545cc 1209 int attrlen;
62d680c3 1210 struct rtattr *attr;
97cfcf64 1211 u32 brid = 0;
90a545cc 1212 char ifname[IFNAMSIZ + 1];
f2e90835 1213 char extra[100], *pos, *end;
3f5285e8 1214
f2e90835
JM		 1215 extra[0] = '\0';
1216 pos = extra;
1217 end = pos + sizeof(extra);
90a545cc
JM		 1218 ifname[0] = '\0';
1219
62d680c3
JM		 1220 attrlen = len;
1221 attr = (struct rtattr *) buf;
3f5285e8 1222 while (RTA_OK(attr, attrlen)) {
90a545cc
JM		 1223 switch (attr->rta_type) {
1224 case IFLA_IFNAME:
1225 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1226 break;
1227 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1228 ifname[RTA_PAYLOAD(attr)] = '\0';
1229 break;
1230 case IFLA_MASTER:
97cfcf64 1231 brid = nla_get_u32((struct nlattr *) attr);
f2e90835
JM		 1232 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1233 break;
1234 case IFLA_OPERSTATE:
1235 pos += os_snprintf(pos, end - pos, " operstate=%u",
1236 nla_get_u32((struct nlattr *) attr));
1237 break;
1238 case IFLA_LINKMODE:
1239 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1240 nla_get_u32((struct nlattr *) attr));
90a545cc
JM		 1241 break;
1242 }
3f5285e8
JM		 1243 attr = RTA_NEXT(attr, attrlen);
1244 }
f2e90835
JM		 1245 extra[sizeof(extra) - 1] = '\0';
1246
1247 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1248 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1249 ifi->ifi_flags,
1250 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1251 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1252 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1253 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
97cfcf64 1254
5e0c20ff 1255 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, NULL);
90a545cc 1256
45e3fc72 1257 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
97cfcf64
B		 1258 /* device has been removed from bridge */
1259 char namebuf[IFNAMSIZ];
40e76396
JM		 1260
1261 if (!if_indextoname(brid, namebuf)) {
1262 wpa_printf(MSG_DEBUG,
1263 "nl80211: Could not find bridge ifname for ifindex %u",
1264 brid);
1265 } else {
1266 wpa_printf(MSG_DEBUG,
1267 "nl80211: Remove ifindex %u for bridge %s",
1268 brid, namebuf);
1269 }
732b1d20 1270 del_ifidx(drv, brid, ifi->ifi_index);
97cfcf64 1271 }
45e3fc72
RM		 1272
1273 if (ifi->ifi_family != AF_BRIDGE || !brid)
1274 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1275 ifname);
3f5285e8
JM		 1276}
1277
1278
a1fce391
JM		 1279struct nl80211_get_assoc_freq_arg {
1280 struct wpa_driver_nl80211_data *drv;
1281 unsigned int assoc_freq;
1282 unsigned int ibss_freq;
1283 u8 assoc_bssid[ETH_ALEN];
ed0a4ddc
NW		 1284 u8 assoc_ssid[SSID_MAX_LEN];
1285 u8 assoc_ssid_len;
a1fce391
JM		 1286};
1287
1288static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg)
1289{
1290 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1291 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1292 struct nlattr *bss[NL80211_BSS_MAX + 1];
1293 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
1294 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
1295 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
ed0a4ddc 1296 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
a1fce391
JM		 1297 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
1298 };
1299 struct nl80211_get_assoc_freq_arg *ctx = arg;
1300 enum nl80211_bss_status status;
1301
1302 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1303 genlmsg_attrlen(gnlh, 0), NULL);
1304 if (!tb[NL80211_ATTR_BSS] ||
1305 nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
1306 bss_policy) ||
1307 !bss[NL80211_BSS_STATUS])
1308 return NL_SKIP;
1309
1310 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
1311 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1312 bss[NL80211_BSS_FREQUENCY]) {
1313 ctx->assoc_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1314 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
1315 ctx->assoc_freq);
1316 }
1317 if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
1318 bss[NL80211_BSS_FREQUENCY]) {
1319 ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1320 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
1321 ctx->ibss_freq);
1322 }
1323 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1324 bss[NL80211_BSS_BSSID]) {
1325 os_memcpy(ctx->assoc_bssid,
1326 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
1327 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
1328 MACSTR, MAC2STR(ctx->assoc_bssid));
1329 }
1330
ed0a4ddc
NW		 1331 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1332 bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
1333 const u8 *ie, *ssid;
1334 size_t ie_len;
1335
1336 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1337 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1338 ssid = get_ie(ie, ie_len, WLAN_EID_SSID);
1339 if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) {
1340 ctx->assoc_ssid_len = ssid[1];
1341 os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]);
1342 }
1343 }
1344
a1fce391
JM		 1345 return NL_SKIP;
1346}
1347
1348
ed0a4ddc
NW		 1349int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid)
1350{
1351 struct nl_msg *msg;
1352 int ret;
1353 struct nl80211_get_assoc_freq_arg arg;
16a26672 1354 int count = 0;
ed0a4ddc 1355
16a26672 1356try_again:
ed0a4ddc
NW		 1357 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1358 os_memset(&arg, 0, sizeof(arg));
1359 arg.drv = drv;
1360 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1361 &arg);
16a26672
JM		 1362 if (ret == -EAGAIN) {
1363 count++;
1364 if (count >= 10) {
1365 wpa_printf(MSG_INFO,
1366 "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid");
1367 } else {
1368 wpa_printf(MSG_DEBUG,
1369 "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid - try again");
1370 goto try_again;
1371 }
1372 }
ed0a4ddc
NW		 1373 if (ret == 0) {
1374 os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len);
1375 return arg.assoc_ssid_len;
1376 }
1377 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)",
1378 ret, strerror(-ret));
1379 return ret;
1380}
1381
1382
f3407c66 1383unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
f5a8d422
JM		 1384{
1385 struct nl_msg *msg;
1386 int ret;
a1fce391 1387 struct nl80211_get_assoc_freq_arg arg;
16a26672 1388 int count = 0;
f5a8d422 1389
16a26672 1390try_again:
9725b784 1391 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422 1392 os_memset(&arg, 0, sizeof(arg));
f5a8d422 1393 arg.drv = drv;
a1fce391
JM		 1394 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1395 &arg);
16a26672
JM		 1396 if (ret == -EAGAIN) {
1397 count++;
1398 if (count >= 10) {
1399 wpa_printf(MSG_INFO,
1400 "nl80211: Failed to receive consistent scan result dump for get_assoc_freq");
1401 } else {
1402 wpa_printf(MSG_DEBUG,
1403 "nl80211: Failed to receive consistent scan result dump for get_assoc_freq - try again");
1404 goto try_again;
1405 }
1406 }
f5a8d422 1407 if (ret == 0) {
c7caac56
JM		 1408 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1409 arg.ibss_freq : arg.assoc_freq;
f5a8d422 1410 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
c7caac56
JM		 1411 "associated BSS from scan results: %u MHz", freq);
1412 if (freq)
1413 drv->assoc_freq = freq;
30158a0d 1414 return drv->assoc_freq;
f5a8d422
JM		 1415 }
1416 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1417 "(%s)", ret, strerror(-ret));
f5a8d422
JM		 1418 return drv->assoc_freq;
1419}
1420
1421
60a972a6
JM		 1422static int get_link_signal(struct nl_msg *msg, void *arg)
1423{
1424 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1425 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1426 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1427 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1428 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1429 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
74fa78b2 1430 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1431 };
7ee35bf3
PS		 1432 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1433 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1434 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1435 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1436 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1437 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1438 };
1c5c7273 1439 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1440
1441 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1442 genlmsg_attrlen(gnlh, 0), NULL);
1443 if (!tb[NL80211_ATTR_STA_INFO] ||
1444 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1445 tb[NL80211_ATTR_STA_INFO], policy))
1446 return NL_SKIP;
1447 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1448 return NL_SKIP;
1449
7ee35bf3
PS		 1450 sig_change->current_signal =
1451 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1452
95783298
AO		 1453 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1454 sig_change->avg_signal =
1455 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1456 else
1457 sig_change->avg_signal = 0;
1458
74fa78b2
JM		 1459 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1460 sig_change->avg_beacon_signal =
1461 (s8)
1462 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1463 else
1464 sig_change->avg_beacon_signal = 0;
1465
7ee35bf3
PS		 1466 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1467 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1468 sinfo[NL80211_STA_INFO_TX_BITRATE],
1469 rate_policy)) {
1470 sig_change->current_txrate = 0;
1471 } else {
1472 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1473 sig_change->current_txrate =
1474 nla_get_u16(rinfo[
1475 NL80211_RATE_INFO_BITRATE]) * 100;
1476 }
1477 }
1478 }
1479
60a972a6
JM		 1480 return NL_SKIP;
1481}
1482
1483
f3407c66
JM		 1484int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1485 struct wpa_signal_info *sig)
60a972a6
JM		 1486{
1487 struct nl_msg *msg;
1488
941807f6 1489 sig->current_signal = -WPA_INVALID_NOISE;
7ee35bf3 1490 sig->current_txrate = 0;
60a972a6 1491
9725b784 1492 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
a862e4a3
JM		 1493 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1494 nlmsg_free(msg);
1495 return -ENOBUFS;
1496 }
60a972a6
JM		 1497
1498 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
60a972a6
JM		 1499}
1500
1501
7ee35bf3
PS		 1502static int get_link_noise(struct nl_msg *msg, void *arg)
1503{
1504 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1505 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1506 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1507 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1508 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1509 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1510 };
1c5c7273 1511 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 1512
1513 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1514 genlmsg_attrlen(gnlh, 0), NULL);
1515
1516 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1517 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1518 return NL_SKIP;
1519 }
1520
1521 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1522 tb[NL80211_ATTR_SURVEY_INFO],
1523 survey_policy)) {
1524 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1525 "attributes!");
1526 return NL_SKIP;
1527 }
1528
1529 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1530 return NL_SKIP;
1531
1532 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1533 sig_change->frequency)
1534 return NL_SKIP;
1535
1536 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1537 return NL_SKIP;
1538
1539 sig_change->current_noise =
1540 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1541
1542 return NL_SKIP;
1543}
1544
1545
f3407c66
JM		 1546int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1547 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 1548{
1549 struct nl_msg *msg;
1550
941807f6 1551 sig_change->current_noise = WPA_INVALID_NOISE;
7ee35bf3
PS		 1552 sig_change->frequency = drv->assoc_freq;
1553
9725b784 1554 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3 1555 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
7ee35bf3
PS		 1556}
1557
1558
7f00dc6e
MV		 1559static int get_channel_info(struct nl_msg *msg, void *arg)
1560{
1561 struct nlattr *tb[NL80211_ATTR_MAX + 1] = { 0 };
1562 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1563 struct wpa_channel_info *chan_info = arg;
1564
1565 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1566 genlmsg_attrlen(gnlh, 0), NULL);
1567
1568 os_memset(chan_info, 0, sizeof(struct wpa_channel_info));
1569 chan_info->chanwidth = CHAN_WIDTH_UNKNOWN;
1570
1571 if (tb[NL80211_ATTR_WIPHY_FREQ])
1572 chan_info->frequency =
1573 nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1574 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1575 chan_info->chanwidth = convert2width(
1576 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
1577 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1578 enum nl80211_channel_type ct =
1579 nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1580
1581 switch (ct) {
1582 case NL80211_CHAN_HT40MINUS:
1583 chan_info->sec_channel = -1;
1584 break;
1585 case NL80211_CHAN_HT40PLUS:
1586 chan_info->sec_channel = 1;
1587 break;
1588 default:
1589 chan_info->sec_channel = 0;
1590 break;
1591 }
1592 }
1593 if (tb[NL80211_ATTR_CENTER_FREQ1])
1594 chan_info->center_frq1 =
1595 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1596 if (tb[NL80211_ATTR_CENTER_FREQ2])
1597 chan_info->center_frq2 =
1598 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1599
1600 if (chan_info->center_frq2) {
1601 u8 seg1_idx = 0;
1602
1603 if (ieee80211_freq_to_chan(chan_info->center_frq2, &seg1_idx) !=
1604 NUM_HOSTAPD_MODES)
1605 chan_info->seg1_idx = seg1_idx;
1606 }
1607
1608 return NL_SKIP;
1609}
1610
1611
1612static int nl80211_channel_info(void *priv, struct wpa_channel_info *ci)
1613{
1614 struct i802_bss *bss = priv;
1615 struct wpa_driver_nl80211_data *drv = bss->drv;
1616 struct nl_msg *msg;
1617
1618 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
1619 return send_and_recv_msgs(drv, msg, get_channel_info, ci);
1620}
1621
1622
97865538 1623static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 1624 void *handle)
97865538 1625{
a4ae123c 1626 struct nl_cb *cb = eloop_ctx;
34068ac3 1627 int res;
97865538 1628
cc2ada86 1629 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 1630
34068ac3 1631 res = nl_recvmsgs(handle, cb);
d3d04831 1632 if (res < 0) {
34068ac3
JM		 1633 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1634 __func__, res);
1635 }
97865538
JM		 1636}
1637
1638
6d158490
LR		 1639/**
1640 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1641 * @priv: driver_nl80211 private data
1642 * @alpha2_arg: country to which to switch to
1643 * Returns: 0 on success, -1 on failure
1644 *
1645 * This asks nl80211 to set the regulatory domain for given
1646 * country ISO / IEC alpha2.
1647 */
1648static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1649{
a2e40bb6
FF		 1650 struct i802_bss *bss = priv;
1651 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 1652 char alpha2[3];
1653 struct nl_msg *msg;
1654
1655 msg = nlmsg_alloc();
1656 if (!msg)
e785c2ba 1657 return -ENOMEM;
6d158490
LR		 1658
1659 alpha2[0] = alpha2_arg[0];
1660 alpha2[1] = alpha2_arg[1];
1661 alpha2[2] = '\0';
1662
a862e4a3
JM		 1663 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1664 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1665 nlmsg_free(msg);
1666 return -EINVAL;
1667 }
6d158490
LR		 1668 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1669 return -EINVAL;
1670 return 0;
6d158490
LR		 1671}
1672
1673
f0793bf1
JM		 1674static int nl80211_get_country(struct nl_msg *msg, void *arg)
1675{
1676 char *alpha2 = arg;
1677 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1678 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1679
1680 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1681 genlmsg_attrlen(gnlh, 0), NULL);
1682 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1683 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1684 return NL_SKIP;
1685 }
1686 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1687 return NL_SKIP;
1688}
1689
1690
1691static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1692{
1693 struct i802_bss *bss = priv;
1694 struct wpa_driver_nl80211_data *drv = bss->drv;
1695 struct nl_msg *msg;
1696 int ret;
1697
1698 msg = nlmsg_alloc();
1699 if (!msg)
1700 return -ENOMEM;
1701
1702 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1703 alpha2[0] = '\0';
1704 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1705 if (!alpha2[0])
1706 ret = -1;
1707
1708 return ret;
1709}
1710
1711
2a7b66f5
BG		 1712static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1713{
d6c9aab8
JB		 1714 int ret;
1715
2a7b66f5
BG		 1716 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1717 if (global->nl_cb == NULL) {
1718 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1719 "callbacks");
1720 return -1;
1721 }
1722
481234cf
JM		 1723 global->nl = nl_create_handle(global->nl_cb, "nl");
1724 if (global->nl == NULL)
d6c9aab8 1725 goto err;
276e2d67 1726
481234cf 1727 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 1728 if (global->nl80211_id < 0) {
276e2d67
BG		 1729 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1730 "found");
d6c9aab8 1731 goto err;
276e2d67
BG		 1732 }
1733
481234cf
JM		 1734 global->nl_event = nl_create_handle(global->nl_cb, "event");
1735 if (global->nl_event == NULL)
d6c9aab8 1736 goto err;
9fff9fdc 1737
d6c9aab8 1738 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 1739 if (ret >= 0)
481234cf 1740 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 1741 if (ret < 0) {
1742 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1743 "membership for scan events: %d (%s)",
3ea58a05 1744 ret, nl_geterror(ret));
d6c9aab8 1745 goto err;
97865538 1746 }
c2a04078 1747
d6c9aab8 1748 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 1749 if (ret >= 0)
481234cf 1750 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 1751 if (ret < 0) {
1752 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1753 "membership for mlme events: %d (%s)",
3ea58a05 1754 ret, nl_geterror(ret));
d6c9aab8 1755 goto err;
c2a04078 1756 }
c2a04078 1757
d6c9aab8 1758 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 1759 if (ret >= 0)
481234cf 1760 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 1761 if (ret < 0) {
1762 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1763 "membership for regulatory events: %d (%s)",
3ea58a05 1764 ret, nl_geterror(ret));
33c5deb8
JM		 1765 /* Continue without regulatory events */
1766 }
1767
17b79e65
JM		 1768 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1769 if (ret >= 0)
1770 ret = nl_socket_add_membership(global->nl_event, ret);
1771 if (ret < 0) {
1772 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1773 "membership for vendor events: %d (%s)",
3ea58a05 1774 ret, nl_geterror(ret));
17b79e65
JM		 1775 /* Continue without vendor events */
1776 }
1777
d6c9aab8
JB		 1778 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1779 no_seq_check, NULL);
1780 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1781 process_global_event, global);
1782
5f65e9f7
JB		 1783 nl80211_register_eloop_read(&global->nl_event,
1784 wpa_driver_nl80211_event_receive,
40a68f33 1785 global->nl_cb, 0);
d6c9aab8
JB		 1786
1787 return 0;
1788
1789err:
1790 nl_destroy_handles(&global->nl_event);
1791 nl_destroy_handles(&global->nl);
1792 nl_cb_put(global->nl_cb);
671a5039 1793 global->nl_cb = NULL;
d6c9aab8
JB		 1794 return -1;
1795}
1796
1797
f51f54a0
JM		 1798static void nl80211_check_global(struct nl80211_global *global)
1799{
25ebd538 1800 struct nl_sock *handle;
f51f54a0
JM		 1801 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1802 int ret;
1803 unsigned int i;
1804
1805 /*
1806 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1807 * and all registration having been cleared.
1808 */
1809 handle = (void *) (((intptr_t) global->nl_event) ^
1810 ELOOP_SOCKET_INVALID);
1811
1812 for (i = 0; groups[i]; i++) {
1813 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1814 if (ret >= 0)
1815 ret = nl_socket_add_membership(handle, ret);
1816 if (ret < 0) {
1817 wpa_printf(MSG_INFO,
1818 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
3ea58a05 1819 groups[i], ret, nl_geterror(ret));
f51f54a0
JM		 1820 }
1821 }
1822}
1823
1824
8401a6b0
JM		 1825static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1826{
6da504a1
IP		 1827 struct wpa_driver_nl80211_data *drv = ctx;
1828
8401a6b0 1829 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
6da504a1 1830
a63063b4 1831 /*
6da504a1
IP		 1832 * rtnetlink ifdown handler will report interfaces other than the P2P
1833 * Device interface as disabled.
a63063b4 1834 */
6da504a1
IP		 1835 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1836 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
8401a6b0
JM		 1837}
1838
1839
1840static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1841{
1842 struct wpa_driver_nl80211_data *drv = ctx;
1843 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 1844 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 1845 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1846 "after rfkill unblock");
1847 return;
1848 }
e8dc205f
AO		 1849
1850 if (is_p2p_net_interface(drv->nlmode))
1851 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1852
6da504a1
IP		 1853 /*
1854 * rtnetlink ifup handler will report interfaces other than the P2P
1855 * Device interface as enabled.
1856 */
1857 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1858 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
8401a6b0
JM		 1859}
1860
1861
32ab4855
JB		 1862static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1863 void *eloop_ctx,
1864 void *handle)
1865{
1866 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1867 u8 data[2048];
1868 struct msghdr msg;
1869 struct iovec entry;
cad0f50e 1870 u8 control[512];
32ab4855
JB		 1871 struct cmsghdr *cmsg;
1872 int res, found_ee = 0, found_wifi = 0, acked = 0;
1873 union wpa_event_data event;
1874
1875 memset(&msg, 0, sizeof(msg));
1876 msg.msg_iov = &entry;
1877 msg.msg_iovlen = 1;
1878 entry.iov_base = data;
1879 entry.iov_len = sizeof(data);
1880 msg.msg_control = &control;
1881 msg.msg_controllen = sizeof(control);
1882
1883 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1884 /* if error or not fitting 802.3 header, return */
1885 if (res < 14)
1886 return;
1887
1888 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1889 {
1890 if (cmsg->cmsg_level == SOL_SOCKET &&
1891 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1892 int *ack;
1893
1894 found_wifi = 1;
1895 ack = (void *)CMSG_DATA(cmsg);
1896 acked = *ack;
1897 }
1898
1899 if (cmsg->cmsg_level == SOL_PACKET &&
1900 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1901 struct sock_extended_err *err =
1902 (struct sock_extended_err *)CMSG_DATA(cmsg);
1903
1904 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1905 found_ee = 1;
1906 }
1907 }
1908
1909 if (!found_ee || !found_wifi)
1910 return;
1911
1912 memset(&event, 0, sizeof(event));
1913 event.eapol_tx_status.dst = data;
1914 event.eapol_tx_status.data = data + 14;
1915 event.eapol_tx_status.data_len = res - 14;
1916 event.eapol_tx_status.ack = acked;
1917 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1918}
1919
1920
cc7a48d1
JB		 1921static int nl80211_init_bss(struct i802_bss *bss)
1922{
1923 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1924 if (!bss->nl_cb)
1925 return -1;
1926
1927 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1928 no_seq_check, NULL);
1929 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1930 process_bss_event, bss);
1931
1932 return 0;
1933}
1934
1935
1936static void nl80211_destroy_bss(struct i802_bss *bss)
1937{
1938 nl_cb_put(bss->nl_cb);
1939 bss->nl_cb = NULL;
1940}
1941
1942
0e92fb8f
JB		 1943static void
1944wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1945{
1946 struct rfkill_config *rcfg;
1947
1948 if (drv->rfkill)
1949 return;
1950
1951 rcfg = os_zalloc(sizeof(*rcfg));
1952 if (!rcfg)
1953 return;
1954
1955 rcfg->ctx = drv;
1956
1957 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1958 * not associated with a netdev, so use the name of some other interface
1959 * sharing the same wiphy as the P2P Device interface.
1960 *
1961 * Note: This is valid, as a P2P Device interface is always dynamically
1962 * created and is created only once another wpa_s interface was added.
1963 */
1964 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1965 struct nl80211_global *global = drv->global;
1966 struct wpa_driver_nl80211_data *tmp1;
1967
1968 dl_list_for_each(tmp1, &global->interfaces,
1969 struct wpa_driver_nl80211_data, list) {
1970 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1971 !tmp1->rfkill)
1972 continue;
1973
1974 wpa_printf(MSG_DEBUG,
1975 "nl80211: Use (%s) to initialize P2P Device rfkill",
1976 tmp1->first_bss->ifname);
1977 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1978 sizeof(rcfg->ifname));
1979 break;
1980 }
1981 } else {
1982 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1983 sizeof(rcfg->ifname));
1984 }
1985
1986 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1987 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1988 drv->rfkill = rfkill_init(rcfg);
1989 if (!drv->rfkill) {
1990 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1991 os_free(rcfg);
1992 }
1993}
1994
1995
0d547d5f
JM		 1996static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1997 void *global_priv, int hostapd,
0ecff8d7
JM		 1998 const u8 *set_addr,
1999 const char *driver_params)
9fff9fdc 2000{
9fff9fdc 2001 struct wpa_driver_nl80211_data *drv;
a2e40bb6 2002 struct i802_bss *bss;
9fff9fdc 2003
a5c696ad
JM		 2004 if (global_priv == NULL)
2005 return NULL;
9fff9fdc
JM		 2006 drv = os_zalloc(sizeof(*drv));
2007 if (drv == NULL)
2008 return NULL;
f2ed8023 2009 drv->global = global_priv;
9fff9fdc 2010 drv->ctx = ctx;
0d547d5f
JM		 2011 drv->hostapd = !!hostapd;
2012 drv->eapol_sock = -1;
64ae2447
JM		 2013
2014 /*
2015 * There is no driver capability flag for this, so assume it is
2016 * supported and disable this on first attempt to use if the driver
2017 * rejects the command due to missing support.
2018 */
2019 drv->set_rekey_offload = 1;
2020
099224c1 2021 drv->num_if_indices = ARRAY_SIZE(drv->default_if_indices);
0d547d5f 2022 drv->if_indices = drv->default_if_indices;
834ee56f
KP		 2023
2024 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
2025 if (!drv->first_bss) {
2026 os_free(drv);
2027 return NULL;
2028 }
2029 bss = drv->first_bss;
a2e40bb6 2030 bss->drv = drv;
a5e1eb20
SE		 2031 bss->ctx = ctx;
2032
a2e40bb6 2033 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 2034 drv->monitor_ifidx = -1;
2035 drv->monitor_sock = -1;
d12dab4c 2036 drv->eapol_tx_sock = -1;
b1f625e0 2037 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 2038
cc7a48d1
JB		 2039 if (nl80211_init_bss(bss))
2040 goto failed;
2041
0ecff8d7 2042 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
bbaf0837 2043 goto failed;
7524cfb1 2044
d12dab4c 2045 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 2046 if (drv->eapol_tx_sock < 0)
2047 goto failed;
2048
2049 if (drv->data_tx_status) {
2050 int enabled = 1;
2051
2052 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
2053 &enabled, sizeof(enabled)) < 0) {
2054 wpa_printf(MSG_DEBUG,
2055 "nl80211: wifi status sockopt failed\n");
2056 drv->data_tx_status = 0;
a11241fa
JB		 2057 if (!drv->use_monitor)
2058 drv->capa.flags &=
2059 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 2060 } else {
2061 eloop_register_read_sock(drv->eapol_tx_sock,
2062 wpa_driver_nl80211_handle_eapol_tx_status,
2063 drv, NULL);
2064 }
2065 }
f10bfc9a 2066
dac12351 2067 if (drv->global) {
f51f54a0 2068 nl80211_check_global(drv->global);
c4bb8817 2069 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 2070 drv->in_interface_list = 1;
2071 }
c4bb8817 2072
a2e40bb6 2073 return bss;
7524cfb1 2074
bbaf0837 2075failed:
dac12351 2076 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 2077 return NULL;
2078}
2079
2080
0d547d5f
JM		 2081/**
2082 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
2083 * @ctx: context to be used when calling wpa_supplicant functions,
2084 * e.g., wpa_supplicant_event()
2085 * @ifname: interface name, e.g., wlan0
2086 * @global_priv: private driver global data from global_init()
2087 * Returns: Pointer to private data, %NULL on failure
2088 */
2089static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
2090 void *global_priv)
2091{
0ecff8d7
JM		 2092 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
2093 NULL);
0d547d5f
JM		 2094}
2095
2096
a11241fa 2097static int nl80211_register_frame(struct i802_bss *bss,
25ebd538 2098 struct nl_sock *nl_handle,
bd94971e 2099 u16 type, const u8 *match, size_t match_len)
58f6fbe0 2100{
a11241fa 2101 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 2102 struct nl_msg *msg;
a862e4a3 2103 int ret;
880de885 2104 char buf[30];
58f6fbe0 2105
880de885
JM		 2106 buf[0] = '\0';
2107 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
dedfa440
PF		 2108 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
2109 type, fc2str(type), nl_handle, buf);
36488c05 2110
d5798e43 2111 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_FRAME)) ||
a862e4a3
JM		 2112 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
2113 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
2114 nlmsg_free(msg);
2115 return -1;
2116 }
58f6fbe0 2117
d6c9aab8 2118 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0 2119 if (ret) {
5582a5d1
JB		 2120 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
2121 "failed (type=%u): ret=%d (%s)",
2122 type, ret, strerror(-ret));
2123 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0 2124 match, match_len);
58f6fbe0 2125 }
58f6fbe0
JM		 2126 return ret;
2127}
2128
2129
a11241fa
JB		 2130static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
2131{
481234cf 2132 if (bss->nl_mgmt) {
a11241fa 2133 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 2134 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 2135 return -1;
2136 }
2137
ce20a370 2138 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
481234cf 2139 if (bss->nl_mgmt == NULL)
a11241fa
JB		 2140 return -1;
2141
a11241fa
JB		 2142 return 0;
2143}
2144
2145
5f65e9f7
JB		 2146static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
2147{
2148 nl80211_register_eloop_read(&bss->nl_mgmt,
2149 wpa_driver_nl80211_event_receive,
40a68f33 2150 bss->nl_cb, 0);
5f65e9f7
JB		 2151}
2152
2153
a11241fa 2154static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 2155 const u8 *match, size_t match_len)
2156{
2157 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 2158 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 2159 type, match, match_len);
bd94971e
JB		 2160}
2161
2162
40a68f33
SD		 2163static int nl80211_init_connect_handle(struct i802_bss *bss)
2164{
2165 if (bss->nl_connect) {
2166 wpa_printf(MSG_DEBUG,
2167 "nl80211: Connect handle already created (nl_connect=%p)",
2168 bss->nl_connect);
2169 return -1;
2170 }
2171
2172 bss->nl_connect = nl_create_handle(bss->nl_cb, "connect");
2173 if (!bss->nl_connect)
2174 return -1;
2175 nl80211_register_eloop_read(&bss->nl_connect,
2176 wpa_driver_nl80211_event_receive,
2177 bss->nl_cb, 1);
2178 return 0;
2179}
2180
2181
a11241fa 2182static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 2183{
a11241fa 2184 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 2185 int ret = 0;
a11241fa
JB		 2186
2187 if (nl80211_alloc_mgmt_handle(bss))
2188 return -1;
36488c05
JM		 2189 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
2190 "handle %p", bss->nl_mgmt);
a11241fa 2191
ba71cb82
SD		 2192 if (drv->nlmode == NL80211_IFTYPE_ADHOC ||
2193 ((drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
2194 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME))) {
e8d1168b
JB		 2195 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2196
2197 /* register for any AUTH message */
2198 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
2199 }
2200
56f5af48
JM		 2201#ifdef CONFIG_INTERWORKING
2202 /* QoS Map Configure */
2203 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 2204 ret = -1;
56f5af48 2205#endif /* CONFIG_INTERWORKING */
00b02149 2206#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP)
046b26a2 2207 /* GAS Initial Request */
a11241fa 2208 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 2209 ret = -1;
046b26a2 2210 /* GAS Initial Response */
a11241fa 2211 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 2212 ret = -1;
18708aad 2213 /* GAS Comeback Request */
a11241fa 2214 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 2215 ret = -1;
18708aad 2216 /* GAS Comeback Response */
a11241fa 2217 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 2218 ret = -1;
c5a64e2d
JM		 2219 /* Protected GAS Initial Request */
2220 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
2221 ret = -1;
2222 /* Protected GAS Initial Response */
2223 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
2224 ret = -1;
2225 /* Protected GAS Comeback Request */
2226 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
2227 ret = -1;
2228 /* Protected GAS Comeback Response */
2229 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
2230 ret = -1;
00b02149 2231#endif /* CONFIG_P2P || CONFIG_INTERWORKING || CONFIG_DPP */
4fe9fa0d 2232#ifdef CONFIG_P2P
046b26a2 2233 /* P2P Public Action */
a11241fa 2234 if (nl80211_register_action_frame(bss,
046b26a2
JM		 2235 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
2236 6) < 0)
6f06766e 2237 ret = -1;
046b26a2 2238 /* P2P Action */
a11241fa 2239 if (nl80211_register_action_frame(bss,
046b26a2
JM		 2240 (u8 *) "\x7f\x50\x6f\x9a\x09",
2241 5) < 0)
6f06766e 2242 ret = -1;
046b26a2 2243#endif /* CONFIG_P2P */
00b02149
JM		 2244#ifdef CONFIG_DPP
2245 /* DPP Public Action */
2246 if (nl80211_register_action_frame(bss,
2247 (u8 *) "\x04\x09\x50\x6f\x9a\x1a",
2248 6) < 0)
2249 ret = -1;
2250#endif /* CONFIG_DPP */
f9da7505
MV		 2251#ifdef CONFIG_OCV
2252 /* SA Query Request */
2253 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x00", 2) < 0)
2254 ret = -1;
2255#endif /* CONFIG_OCV */
7d878ca7 2256 /* SA Query Response */
a11241fa 2257 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 2258 ret = -1;
35287637
AN		 2259#ifdef CONFIG_TDLS
2260 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
2261 /* TDLS Discovery Response */
aa543c0c 2262 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 2263 0)
6f06766e 2264 ret = -1;
35287637
AN		 2265 }
2266#endif /* CONFIG_TDLS */
46ab9b8c
AN		 2267#ifdef CONFIG_FST
2268 /* FST Action frames */
2269 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2270 ret = -1;
2271#endif /* CONFIG_FST */
046b26a2 2272
7b90c16a 2273 /* FT Action frames */
a11241fa 2274 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 2275 ret = -1;
7b90c16a
JM		 2276 else
2277 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
2278 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2279
71269b37 2280 /* WNM - BSS Transition Management Request */
a11241fa 2281 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 2282 ret = -1;
bd896433
JM		 2283 /* WNM-Sleep Mode Response */
2284 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 2285 ret = -1;
d514b502
JM		 2286#ifdef CONFIG_WNM
2287 /* WNM - Collocated Interference Request */
2288 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x0b", 2) < 0)
2289 ret = -1;
2290#endif /* CONFIG_WNM */
a11241fa 2291
95a3ea94
JM		 2292#ifdef CONFIG_HS20
2293 /* WNM-Notification */
2294 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
3ee18569 2295 ret = -1;
95a3ea94
JM		 2296#endif /* CONFIG_HS20 */
2297
dfa87878
MB		 2298 /* WMM-AC ADDTS Response */
2299 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
730a0d16 2300 ret = -1;
dfa87878
MB		 2301
2302 /* WMM-AC DELTS */
2303 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
730a0d16 2304 ret = -1;
dfa87878 2305
2526ccd9
AK		 2306 /* Radio Measurement - Neighbor Report Response */
2307 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
2308 ret = -1;
2309
864b9522
DS		 2310 /* Radio Measurement - Radio Measurement Request */
2311 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2312 ret = -1;
2313
7dc03388
AO		 2314 /* Radio Measurement - Link Measurement Request */
2315 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2316 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2317 ret = -1;
2318
5f65e9f7
JB		 2319 nl80211_mgmt_handle_register_eloop(bss);
2320
6f06766e 2321 return ret;
a11241fa
JB		 2322}
2323
2324
afb0550a
BC		 2325static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2326{
2327 int ret = 0;
2328
2329 if (nl80211_alloc_mgmt_handle(bss))
2330 return -1;
2331
2332 wpa_printf(MSG_DEBUG,
2333 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2334 bss->nl_mgmt);
2335
2336 /* Auth frames for mesh SAE */
2337 if (nl80211_register_frame(bss, bss->nl_mgmt,
2338 (WLAN_FC_TYPE_MGMT << 2) |
2339 (WLAN_FC_STYPE_AUTH << 4),
2340 NULL, 0) < 0)
2341 ret = -1;
2342
2343 /* Mesh peering open */
2344 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2345 ret = -1;
2346 /* Mesh peering confirm */
2347 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2348 ret = -1;
2349 /* Mesh peering close */
2350 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2351 ret = -1;
2352
2353 nl80211_mgmt_handle_register_eloop(bss);
2354
2355 return ret;
2356}
2357
2358
02bb32c3
JB		 2359static int nl80211_register_spurious_class3(struct i802_bss *bss)
2360{
02bb32c3 2361 struct nl_msg *msg;
a862e4a3 2362 int ret;
02bb32c3 2363
13f83980
JM		 2364 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2365 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 2366 if (ret) {
2367 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2368 "failed: ret=%d (%s)",
2369 ret, strerror(-ret));
02bb32c3 2370 }
02bb32c3
JB		 2371 return ret;
2372}
2373
2374
4d916ed6
KV		 2375static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2376{
2377 int ret = 0;
2378
2379 /* Public Action frames */
2380 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2381 ret = -1;
2382 /* RRM Measurement Report */
2383 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2384 ret = -1;
e4ec6bbf
JM		 2385 /* RRM Link Measurement Report */
2386 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0)
2387 ret = -1;
4d916ed6
KV		 2388 /* RRM Neighbor Report Request */
2389 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2390 ret = -1;
2391 /* FT Action frames */
2392 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2393 ret = -1;
4d916ed6
KV		 2394 /* SA Query */
2395 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2396 ret = -1;
4d916ed6
KV		 2397 /* Protected Dual of Public Action */
2398 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2399 ret = -1;
2400 /* WNM */
2401 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2402 ret = -1;
2403 /* WMM */
2404 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2405 ret = -1;
2406#ifdef CONFIG_FST
2407 /* FST Action frames */
2408 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2409 ret = -1;
2410#endif /* CONFIG_FST */
2411 /* Vendor-specific */
2412 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2413 ret = -1;
2414
2415 return ret;
2416}
2417
2418
a11241fa
JB		 2419static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2420{
2421 static const int stypes[] = {
2422 WLAN_FC_STYPE_AUTH,
2423 WLAN_FC_STYPE_ASSOC_REQ,
2424 WLAN_FC_STYPE_REASSOC_REQ,
2425 WLAN_FC_STYPE_DISASSOC,
2426 WLAN_FC_STYPE_DEAUTH,
a11241fa
JB		 2427 WLAN_FC_STYPE_PROBE_REQ,
2428/* Beacon doesn't work as mac80211 doesn't currently allow
2429 * it, but it wouldn't really be the right thing anyway as
2430 * it isn't per interface ... maybe just dump the scan
2431 * results periodically for OLBC?
2432 */
0e80ea2c 2433 /* WLAN_FC_STYPE_BEACON, */
a11241fa
JB		 2434 };
2435 unsigned int i;
2436
2437 if (nl80211_alloc_mgmt_handle(bss))
71269b37 2438 return -1;
36488c05
JM		 2439 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2440 "handle %p", bss->nl_mgmt);
71269b37 2441
e7ecab4a 2442 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 2443 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 2444 (WLAN_FC_TYPE_MGMT << 2) |
2445 (stypes[i] << 4),
2446 NULL, 0) < 0) {
2447 goto out_err;
2448 }
2449 }
2450
4d916ed6
KV		 2451 if (nl80211_action_subscribe_ap(bss))
2452 goto out_err;
2453
02bb32c3
JB		 2454 if (nl80211_register_spurious_class3(bss))
2455 goto out_err;
2456
5f65e9f7 2457 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 2458 return 0;
a11241fa
JB		 2459
2460out_err:
a11241fa
JB		 2461 nl_destroy_handles(&bss->nl_mgmt);
2462 return -1;
2463}
2464
2465
a6cc0602
JM		 2466static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2467{
2468 if (nl80211_alloc_mgmt_handle(bss))
2469 return -1;
2470 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2471 "handle %p (device SME)", bss->nl_mgmt);
2472
4d916ed6 2473 if (nl80211_action_subscribe_ap(bss))
a6cc0602
JM		 2474 goto out_err;
2475
236e793e
SD		 2476 if (bss->drv->device_ap_sme) {
2477 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2478
2479 /* Register for all Authentication frames */
2480 if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0)
2481 < 0)
2482 wpa_printf(MSG_DEBUG,
2483 "nl80211: Failed to subscribe to handle Authentication frames - SAE offload may not work");
2484 }
2485
5f65e9f7 2486 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 2487 return 0;
2488
2489out_err:
a6cc0602
JM		 2490 nl_destroy_handles(&bss->nl_mgmt);
2491 return -1;
2492}
2493
2494
36488c05 2495static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 2496{
481234cf 2497 if (bss->nl_mgmt == NULL)
a11241fa 2498 return;
36488c05
JM		 2499 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2500 "(%s)", bss->nl_mgmt, reason);
40a68f33 2501 nl80211_destroy_eloop_handle(&bss->nl_mgmt, 0);
7813b7c3
MH		 2502
2503 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 2504}
2505
2506
8401a6b0
JM		 2507static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2508{
2509 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2510}
2511
2512
eb4582f2
AS		 2513static void nl80211_del_p2pdev(struct i802_bss *bss)
2514{
eb4582f2
AS		 2515 struct nl_msg *msg;
2516 int ret;
2517
a3249fdf
JM		 2518 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2519 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
eb4582f2
AS		 2520
2521 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2522 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2523 strerror(-ret));
eb4582f2
AS		 2524}
2525
2526
eb4582f2 2527static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483 2528{
f632e483 2529 struct nl_msg *msg;
a862e4a3 2530 int ret;
f632e483 2531
a3249fdf
JM		 2532 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2533 NL80211_CMD_STOP_P2P_DEVICE);
2534 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
f632e483 2535
eb4582f2
AS		 2536 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2537 start ? "Start" : "Stop",
2538 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2539 strerror(-ret));
f632e483
AS		 2540 return ret;
2541}
f632e483
AS		 2542
2543
91724d6f
AS		 2544static int i802_set_iface_flags(struct i802_bss *bss, int up)
2545{
2546 enum nl80211_iftype nlmode;
2547
2548 nlmode = nl80211_get_ifmode(bss);
2549 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2550 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2551 bss->ifname, up);
2552 }
2553
2554 /* P2P Device has start/stop which is equivalent */
2555 return nl80211_set_p2pdev(bss, up);
2556}
2557
2558
1db718b3
JM		 2559#ifdef CONFIG_TESTING_OPTIONS
2560static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2561{
2562 /* struct wpa_driver_nl80211_data *drv = arg; */
2563 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2564 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2565
2566
2567 wpa_printf(MSG_DEBUG,
2568 "nl80211: QCA vendor test command response received");
2569
2570 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2571 genlmsg_attrlen(gnlh, 0), NULL);
2572 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2573 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2574 return NL_SKIP;
2575 }
2576
2577 wpa_hexdump(MSG_DEBUG,
2578 "nl80211: Received QCA vendor test command response",
2579 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2580 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2581
2582 return NL_SKIP;
2583}
2584#endif /* CONFIG_TESTING_OPTIONS */
2585
2586
2587static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2588{
2589#ifdef CONFIG_TESTING_OPTIONS
2590 struct nl_msg *msg;
2591 struct nlattr *params;
2592 int ret;
2593
2594 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2595 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2596 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2597 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2598 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2599 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2600 nlmsg_free(msg);
2601 return;
2602 }
2603 nla_nest_end(msg, params);
2604
2605 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2606 wpa_printf(MSG_DEBUG,
2607 "nl80211: QCA vendor test command returned %d (%s)",
2608 ret, strerror(-ret));
2609#endif /* CONFIG_TESTING_OPTIONS */
2610}
2611
2612
362f781e 2613static int
0d547d5f 2614wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 2615 const u8 *set_addr, int first,
2616 const char *driver_params)
7524cfb1 2617{
834ee56f 2618 struct i802_bss *bss = drv->first_bss;
8401a6b0 2619 int send_rfkill_event = 0;
0d547d5f 2620 enum nl80211_iftype nlmode;
a2e40bb6
FF		 2621
2622 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 2623 bss->ifindex = drv->ifindex;
2624 bss->wdev_id = drv->global->if_add_wdevid;
2625 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2626
60b13c20
IP		 2627 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2628 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 2629 drv->global->if_add_wdevid_set = 0;
2630
bf144cf6
AP		 2631 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2632 bss->static_ap = 1;
2633
ef3866ab
IP		 2634 if (first &&
2635 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2636 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2637 drv->start_iface_up = 1;
2638
f632e483
AS		 2639 if (wpa_driver_nl80211_capa(drv))
2640 return -1;
a87c9d96 2641
0ecff8d7
JM		 2642 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2643 return -1;
2644
5fbcb45d
AS		 2645 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2646 bss->ifname, drv->phyname);
2647
0d547d5f
JM		 2648 if (set_addr &&
2649 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2650 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2651 set_addr)))
2652 return -1;
2653
49b4b205
JM		 2654 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2655 drv->start_mode_ap = 1;
2656
bf144cf6 2657 if (drv->hostapd || bss->static_ap)
0d547d5f 2658 nlmode = NL80211_IFTYPE_AP;
4fe726e2
FF		 2659 else if (bss->if_dynamic ||
2660 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
8e12685c 2661 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 2662 else
2663 nlmode = NL80211_IFTYPE_STATION;
f632e483 2664
8e12685c 2665 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 2666 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 2667 return -1;
a87c9d96
JM		 2668 }
2669
8c06db70 2670 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 2671 nl80211_get_macaddr(bss);
f632e483 2672
0e92fb8f
JB		 2673 wpa_driver_nl80211_drv_init_rfkill(drv);
2674
8c06db70
MB		 2675 if (!rfkill_is_blocked(drv->rfkill)) {
2676 int ret = i802_set_iface_flags(bss, 1);
2677 if (ret) {
8401a6b0
JM		 2678 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2679 "interface '%s' UP", bss->ifname);
8c06db70 2680 return ret;
8401a6b0 2681 }
e8dc205f
AO		 2682
2683 if (is_p2p_net_interface(nlmode))
2684 nl80211_disable_11b_rates(bss->drv,
2685 bss->drv->ifindex, 1);
2686
8c06db70
MB		 2687 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2688 return ret;
2689 } else {
2690 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2691 "interface '%s' due to rfkill", bss->ifname);
6da504a1
IP		 2692 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2693 drv->if_disabled = 1;
2694
8c06db70 2695 send_rfkill_event = 1;
362f781e 2696 }
3f5285e8 2697
6da504a1 2698 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
0d547d5f
JM		 2699 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2700 1, IF_OPER_DORMANT);
362f781e 2701
6da504a1
IP		 2702 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2703 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2704 bss->addr))
2705 return -1;
2706 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2707 }
f2ed8023 2708
8401a6b0
JM		 2709 if (send_rfkill_event) {
2710 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2711 drv, drv->ctx);
2712 }
2713
1db718b3
JM		 2714 if (drv->vendor_cmd_test_avail)
2715 qca_vendor_test(drv);
2716
40a68f33
SD		 2717 nl80211_init_connect_handle(bss);
2718
362f781e 2719 return 0;
3f5285e8
JM		 2720}
2721
2722
a70cd0db 2723static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss)
8a27af5c
JM		 2724{
2725 struct nl_msg *msg;
a70cd0db 2726 struct wpa_driver_nl80211_data *drv = bss->drv;
8a27af5c 2727
08e55ebb
JM		 2728 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2729 drv->ifindex);
a70cd0db 2730 nl80211_put_wiphy_data_ap(bss);
9725b784 2731 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
8a27af5c 2732 return send_and_recv_msgs(drv, msg, NULL, NULL);
8a27af5c 2733}
8a27af5c
JM		 2734
2735
3f5285e8 2736/**
7e5ba1b9 2737 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 2738 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 2739 *
2740 * Shut down driver interface and processing of driver events. Free
2741 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2742 */
9ebce9c5 2743static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 2744{
a2e40bb6 2745 struct wpa_driver_nl80211_data *drv = bss->drv;
cc9a2575 2746 unsigned int i;
3f5285e8 2747
3e208481
JM		 2748 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2749 bss->ifname, drv->disabled_11b_rates);
2750
873d0fcf 2751 bss->in_deinit = 1;
32ab4855
JB		 2752 if (drv->data_tx_status)
2753 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 2754 if (drv->eapol_tx_sock >= 0)
2755 close(drv->eapol_tx_sock);
f10bfc9a 2756
481234cf 2757 if (bss->nl_preq)
5582a5d1 2758 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 2759 if (bss->added_if_into_bridge) {
c81eff1a
BG		 2760 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2761 bss->ifname) < 0)
94627f6c
JM		 2762 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2763 "interface %s from bridge %s: %s",
e17a2477 2764 bss->ifname, bss->brname, strerror(errno));
94627f6c 2765 }
c809756f
SM		 2766
2767 if (drv->rtnl_sk)
25ebd538 2768 nl_socket_free(drv->rtnl_sk);
c809756f 2769
e17a2477 2770 if (bss->added_bridge) {
f2535da8
JM		 2771 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2772 0) < 0)
2773 wpa_printf(MSG_INFO,
2774 "nl80211: Could not set bridge %s down",
2775 bss->brname);
c81eff1a 2776 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 2777 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2778 "bridge %s: %s",
e17a2477 2779 bss->brname, strerror(errno));
94627f6c
JM		 2780 }
2781
460456f8 2782 nl80211_remove_monitor_interface(drv);
8a27af5c 2783
b1f625e0 2784 if (is_ap_interface(drv->nlmode))
a70cd0db 2785 wpa_driver_nl80211_del_beacon(bss);
0915d02c 2786
bbaf0837
JM		 2787 if (drv->eapol_sock >= 0) {
2788 eloop_unregister_read_sock(drv->eapol_sock);
2789 close(drv->eapol_sock);
2790 }
2791
2792 if (drv->if_indices != drv->default_if_indices)
2793 os_free(drv->if_indices);
3f5285e8 2794
b3af99d2 2795 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 2796 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2797
36d84860
BG		 2798 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2799 IF_OPER_UP);
e390df05 2800 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
8401a6b0 2801 rfkill_deinit(drv->rfkill);
3f5285e8 2802
bbaf0837
JM		 2803 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2804
146fa9b3
JM		 2805 if (!drv->start_iface_up)
2806 (void) i802_set_iface_flags(bss, 0);
fee354c7
JM		 2807
2808 if (drv->addr_changed) {
93da0498
JM		 2809 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2810 0) < 0) {
2811 wpa_printf(MSG_DEBUG,
2812 "nl80211: Could not set interface down to restore permanent MAC address");
2813 }
fee354c7
JM		 2814 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2815 drv->perm_addr) < 0) {
2816 wpa_printf(MSG_DEBUG,
2817 "nl80211: Could not restore permanent MAC address");
2818 }
2819 }
2820
8e12685c 2821 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 2822 if (!drv->hostapd || !drv->start_mode_ap)
2823 wpa_driver_nl80211_set_mode(bss,
2824 NL80211_IFTYPE_STATION);
b378c41f 2825 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 2826 } else {
2827 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 2828 nl80211_del_p2pdev(bss);
8e12685c 2829 }
3f5285e8 2830
40a68f33
SD		 2831 if (bss->nl_connect)
2832 nl80211_destroy_eloop_handle(&bss->nl_connect, 1);
2833
834ee56f 2834 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 2835
3812464c
JM		 2836 os_free(drv->filter_ssids);
2837
536fd62d
JM		 2838 os_free(drv->auth_ie);
2839
dac12351 2840 if (drv->in_interface_list)
f2ed8023
JM		 2841 dl_list_del(&drv->list);
2842
8cd6b7bc
JB		 2843 os_free(drv->extended_capa);
2844 os_free(drv->extended_capa_mask);
cc9a2575
KV		 2845 for (i = 0; i < drv->num_iface_ext_capa; i++) {
2846 os_free(drv->iface_ext_capa[i].ext_capa);
2847 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2848 }
834ee56f 2849 os_free(drv->first_bss);
3f5285e8
JM		 2850 os_free(drv);
2851}
2852
2853
de4ed4a8
JM		 2854static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2855{
2856 switch (alg) {
2857 case WPA_ALG_WEP:
2858 if (key_len == 5)
a042e39a
JM		 2859 return RSN_CIPHER_SUITE_WEP40;
2860 return RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2861 case WPA_ALG_TKIP:
a042e39a 2862 return RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2863 case WPA_ALG_CCMP:
a042e39a 2864 return RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2865 case WPA_ALG_GCMP:
a042e39a 2866 return RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2867 case WPA_ALG_CCMP_256:
a042e39a 2868 return RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2869 case WPA_ALG_GCMP_256:
a042e39a 2870 return RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2871 case WPA_ALG_IGTK:
a042e39a 2872 return RSN_CIPHER_SUITE_AES_128_CMAC;
de4ed4a8 2873 case WPA_ALG_BIP_GMAC_128:
a042e39a 2874 return RSN_CIPHER_SUITE_BIP_GMAC_128;
de4ed4a8 2875 case WPA_ALG_BIP_GMAC_256:
a042e39a 2876 return RSN_CIPHER_SUITE_BIP_GMAC_256;
de4ed4a8 2877 case WPA_ALG_BIP_CMAC_256:
a042e39a 2878 return RSN_CIPHER_SUITE_BIP_CMAC_256;
de4ed4a8 2879 case WPA_ALG_SMS4:
a042e39a 2880 return RSN_CIPHER_SUITE_SMS4;
de4ed4a8 2881 case WPA_ALG_KRK:
a042e39a 2882 return RSN_CIPHER_SUITE_KRK;
de4ed4a8
JM		 2883 case WPA_ALG_NONE:
2884 case WPA_ALG_PMK:
2885 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2886 alg);
2887 return 0;
2888 }
2889
2890 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2891 alg);
2892 return 0;
2893}
2894
2895
2896static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2897{
2898 switch (cipher) {
2899 case WPA_CIPHER_CCMP_256:
a042e39a 2900 return RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2901 case WPA_CIPHER_GCMP_256:
a042e39a 2902 return RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2903 case WPA_CIPHER_CCMP:
a042e39a 2904 return RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2905 case WPA_CIPHER_GCMP:
a042e39a 2906 return RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2907 case WPA_CIPHER_TKIP:
a042e39a 2908 return RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2909 case WPA_CIPHER_WEP104:
a042e39a 2910 return RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2911 case WPA_CIPHER_WEP40:
a042e39a 2912 return RSN_CIPHER_SUITE_WEP40;
ae6f9272 2913 case WPA_CIPHER_GTK_NOT_USED:
a042e39a 2914 return RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED;
de4ed4a8
JM		 2915 }
2916
2917 return 0;
2918}
2919
2920
2921static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2922 int max_suites)
2923{
2924 int num_suites = 0;
2925
2926 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
a042e39a 2927 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2928 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
a042e39a 2929 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2930 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
a042e39a 2931 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2932 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
a042e39a 2933 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2934 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
a042e39a 2935 suites[num_suites++] = RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2936 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
a042e39a 2937 suites[num_suites++] = RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2938 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
a042e39a 2939 suites[num_suites++] = RSN_CIPHER_SUITE_WEP40;
de4ed4a8
JM		 2940
2941 return num_suites;
2942}
2943
2944
b658547d 2945#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 2946static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2947 const u8 *key, size_t key_len)
2948{
2949 struct nl_msg *msg;
a862e4a3 2950 int ret;
b41f2684 2951
15badebd 2952 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
b41f2684
CL		 2953 return 0;
2954
9725b784 2955 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 2956 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2957 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2958 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2959 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
bbd89bfc 2960 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 2961 nlmsg_free(msg);
2962 return -1;
2963 }
bbd89bfc 2964 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
b41f2684
CL		 2965 if (ret) {
2966 wpa_printf(MSG_DEBUG,
2967 "nl80211: Key management set key failed: ret=%d (%s)",
2968 ret, strerror(-ret));
2969 }
2970
b41f2684
CL		 2971 return ret;
2972}
b658547d 2973#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684
CL		 2974
2975
05fc7c68
AS		 2976static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv,
2977 const u8 *key, size_t key_len,
2978 const u8 *addr)
2979{
2980 struct nl_msg *msg = NULL;
2981 int ret;
2982
2983 /*
2984 * If the authenticator address is not set, assume it is
2985 * the current BSSID.
2986 */
2987 if (!addr && drv->associated)
2988 addr = drv->bssid;
2989 else if (!addr)
2990 return -1;
2991
2992 wpa_printf(MSG_DEBUG, "nl80211: Set PMK to the driver for " MACSTR,
2993 MAC2STR(addr));
2994 wpa_hexdump_key(MSG_DEBUG, "nl80211: PMK", key, key_len);
2995 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_PMK);
2996 if (!msg ||
2997 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2998 nla_put(msg, NL80211_ATTR_PMK, key_len, key)) {
2999 nl80211_nlmsg_clear(msg);
3000 nlmsg_free(msg);
3001 return -ENOBUFS;
3002 }
3003
3004 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
3005 if (ret) {
3006 wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)",
3007 ret, strerror(-ret));
3008 }
3009
3010 return ret;
3011}
3012
3013
9ebce9c5 3014static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 3015 enum wpa_alg alg, const u8 *addr,
3016 int key_idx, int set_tx,
642187d6
JM		 3017 const u8 *seq, size_t seq_len,
3018 const u8 *key, size_t key_len)
3f5285e8 3019{
a2e40bb6 3020 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 3021 int ifindex;
83b83b46
AW		 3022 struct nl_msg *msg;
3023 struct nl_msg *key_msg;
1ad1cdc2 3024 int ret;
dc01de8a 3025 int tdls = 0;
3f5285e8 3026
e472e1b4
AS		 3027 /* Ignore for P2P Device */
3028 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
3029 return 0;
3030
3031 ifindex = if_nametoindex(ifname);
8393e1a0 3032 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 3033 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 3034 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 3035 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 3036#ifdef CONFIG_TDLS
dc01de8a 3037 if (key_idx == -1) {
8c66e185 3038 key_idx = 0;
dc01de8a
JM		 3039 tdls = 1;
3040 }
8c66e185 3041#endif /* CONFIG_TDLS */
3f5285e8 3042
b658547d 3043#ifdef CONFIG_DRIVER_NL80211_QCA
15badebd
CL		 3044 if (alg == WPA_ALG_PMK &&
3045 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
b41f2684
CL		 3046 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
3047 __func__);
3048 ret = issue_key_mgmt_set_key(drv, key, key_len);
3049 return ret;
3050 }
b658547d 3051#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 3052
05fc7c68 3053 if (alg == WPA_ALG_PMK &&
436ee2fd 3054 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
05fc7c68
AS		 3055 return nl80211_set_pmk(drv, key, key_len, addr);
3056
83b83b46
AW		 3057 key_msg = nlmsg_alloc();
3058 if (!key_msg)
3059 return -ENOBUFS;
3060
3f5285e8 3061 if (alg == WPA_ALG_NONE) {
95376e1a
JM		 3062 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
3063 if (!msg)
83b83b46 3064 goto fail2;
3f5285e8 3065 } else {
34651767
JM		 3066 u32 suite;
3067
3068 suite = wpa_alg_to_cipher_suite(alg, key_len);
3069 if (!suite)
83b83b46 3070 goto fail2;
95376e1a 3071 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
83b83b46
AW		 3072 if (!msg)
3073 goto fail2;
3074 if (nla_put(key_msg, NL80211_KEY_DATA, key_len, key) ||
3075 nla_put_u32(key_msg, NL80211_KEY_CIPHER, suite))
a862e4a3 3076 goto fail;
e6ef73f1 3077 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3f5285e8
JM		 3078 }
3079
e6ef73f1 3080 if (seq && seq_len) {
83b83b46 3081 if (nla_put(key_msg, NL80211_KEY_SEQ, seq_len, seq))
a862e4a3 3082 goto fail;
e6ef73f1
JM		 3083 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
3084 }
1ad1cdc2 3085
0382097e 3086 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8 3087 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
a862e4a3
JM		 3088 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
3089 goto fail;
89c38e32
JM		 3090
3091 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
3092 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
83b83b46 3093 if (nla_put_u32(key_msg, NL80211_KEY_TYPE,
a862e4a3
JM		 3094 NL80211_KEYTYPE_GROUP))
3095 goto fail;
89c38e32 3096 }
60ea8187 3097 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 3098 struct nlattr *types;
3099
60ea8187 3100 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8 3101
83b83b46 3102 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
a862e4a3 3103 if (!types ||
83b83b46 3104 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
a862e4a3 3105 goto fail;
83b83b46 3106 nla_nest_end(key_msg, types);
3f5285e8 3107 }
83b83b46
AW		 3108 if (nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3109 nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
a862e4a3 3110 goto fail;
83b83b46
AW		 3111 nl80211_nlmsg_clear(key_msg);
3112 nlmsg_free(key_msg);
3113 key_msg = NULL;
3f5285e8 3114
bbd89bfc 3115 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
15664ad0 3116 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 3117 ret = 0;
3118 if (ret)
3119 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
3120 ret, strerror(-ret));
3f5285e8 3121
1ad1cdc2
JM		 3122 /*
3123 * If we failed or don't need to set the default TX key (below),
3124 * we're done here.
3125 */
dc01de8a 3126 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 3127 return ret;
b1f625e0 3128 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 3129 !is_broadcast_ether_addr(addr))
de12717a 3130 return ret;
3f5285e8 3131
83b83b46
AW		 3132 key_msg = nlmsg_alloc();
3133 if (!key_msg)
3134 return -ENOBUFS;
3135
95376e1a 3136 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
83b83b46
AW		 3137 if (!msg)
3138 goto fail2;
3139 if (!key_msg ||
3140 nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3141 nla_put_flag(key_msg, (alg == WPA_ALG_IGTK ||
3142 alg == WPA_ALG_BIP_GMAC_128 ||
3143 alg == WPA_ALG_BIP_GMAC_256 ||
3144 alg == WPA_ALG_BIP_CMAC_256) ?
3145 NL80211_KEY_DEFAULT_MGMT :
3146 NL80211_KEY_DEFAULT))
a862e4a3 3147 goto fail;
60ea8187 3148 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 3149 struct nlattr *types;
3150
83b83b46 3151 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
a862e4a3 3152 if (!types ||
83b83b46 3153 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
a862e4a3 3154 goto fail;
83b83b46 3155 nla_nest_end(key_msg, types);
60ea8187 3156 } else if (addr) {
8970bae8
JB		 3157 struct nlattr *types;
3158
83b83b46 3159 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
a862e4a3 3160 if (!types ||
83b83b46 3161 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
a862e4a3 3162 goto fail;
83b83b46 3163 nla_nest_end(key_msg, types);
60ea8187 3164 }
3f5285e8 3165
83b83b46
AW		 3166 if (nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
3167 goto fail;
3168 nl80211_nlmsg_clear(key_msg);
3169 nlmsg_free(key_msg);
3170 key_msg = NULL;
3171
1ad1cdc2
JM		 3172 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3173 if (ret == -ENOENT)
3174 ret = 0;
3175 if (ret)
3176 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
3177 "err=%d %s)", ret, strerror(-ret));
3178 return ret;
3f5285e8 3179
a862e4a3 3180fail:
bbd89bfc 3181 nl80211_nlmsg_clear(msg);
5883168a 3182 nlmsg_free(msg);
83b83b46
AW		 3183fail2:
3184 nl80211_nlmsg_clear(key_msg);
3185 nlmsg_free(key_msg);
6241fcb1 3186 return -ENOBUFS;
3f5285e8
JM		 3187}
3188
3189
71934751 3190static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 3191 int key_idx, int defkey,
3192 const u8 *seq, size_t seq_len,
3193 const u8 *key, size_t key_len)
3194{
3195 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
34651767
JM		 3196 u32 suite;
3197
0194fedb
JB		 3198 if (!key_attr)
3199 return -1;
3200
34651767
JM		 3201 suite = wpa_alg_to_cipher_suite(alg, key_len);
3202 if (!suite)
3203 return -1;
3204
a862e4a3
JM		 3205 if (defkey && alg == WPA_ALG_IGTK) {
3206 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
3207 return -1;
3208 } else if (defkey) {
3209 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
3210 return -1;
3211 }
0194fedb 3212
a862e4a3 3213 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
34651767 3214 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
a862e4a3
JM		 3215 (seq && seq_len &&
3216 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
3217 nla_put(msg, NL80211_KEY_DATA, key_len, key))
3218 return -1;
0194fedb
JB		 3219
3220 nla_nest_end(msg, key_attr);
3221
3222 return 0;
0194fedb
JB		 3223}
3224
c811d5bc 3225
cfaab580
ZY		 3226static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
3227 struct nl_msg *msg)
3228{
3229 int i, privacy = 0;
3230 struct nlattr *nl_keys, *nl_key;
3231
3232 for (i = 0; i < 4; i++) {
3233 if (!params->wep_key[i])
3234 continue;
3235 privacy = 1;
3236 break;
3237 }
ce04af5a
JM		 3238 if (params->wps == WPS_MODE_PRIVACY)
3239 privacy = 1;
3240 if (params->pairwise_suite &&
3241 params->pairwise_suite != WPA_CIPHER_NONE)
3242 privacy = 1;
3243
cfaab580
ZY		 3244 if (!privacy)
3245 return 0;
3246
a862e4a3
JM		 3247 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3248 return -ENOBUFS;
cfaab580
ZY		 3249
3250 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
3251 if (!nl_keys)
a862e4a3 3252 return -ENOBUFS;
cfaab580
ZY		 3253
3254 for (i = 0; i < 4; i++) {
3255 if (!params->wep_key[i])
3256 continue;
3257
3258 nl_key = nla_nest_start(msg, i);
a862e4a3
JM		 3259 if (!nl_key ||
3260 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3261 params->wep_key[i]) ||
3262 nla_put_u32(msg, NL80211_KEY_CIPHER,
3263 params->wep_key_len[i] == 5 ?
a042e39a
JM		 3264 RSN_CIPHER_SUITE_WEP40 :
3265 RSN_CIPHER_SUITE_WEP104) ||
a862e4a3
JM		 3266 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3267 (i == params->wep_tx_keyidx &&
3268 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3269 return -ENOBUFS;
cfaab580
ZY		 3270
3271 nla_nest_end(msg, nl_key);
3272 }
3273 nla_nest_end(msg, nl_keys);
3274
3275 return 0;
cfaab580
ZY		 3276}
3277
3278
477af8f8
JM		 3279int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3280 const u8 *addr, int cmd, u16 reason_code,
10d32e2c 3281 int local_state_change,
25ebd538 3282 struct nl_sock *nl_connect)
c2a04078 3283{
a862e4a3 3284 int ret;
c2a04078
JM		 3285 struct nl_msg *msg;
3286
9725b784 3287 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM		 3288 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3289 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3290 (local_state_change &&
3291 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3292 nlmsg_free(msg);
3293 return -1;
3294 }
c2a04078 3295
10d32e2c
CI		 3296 if (nl_connect)
3297 ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL);
3298 else
3299 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 3300 if (ret) {
3b7ea880
BG		 3301 wpa_dbg(drv->ctx, MSG_DEBUG,
3302 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3303 reason_code, ret, strerror(-ret));
c2a04078 3304 }
c2a04078
JM		 3305 return ret;
3306}
3f5285e8
JM		 3307
3308
cfaab580 3309static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
4be17ffb 3310 u16 reason_code,
25ebd538 3311 struct nl_sock *nl_connect)
cfaab580 3312{
3f53c006 3313 int ret;
b898b655 3314 int drv_associated = drv->associated;
3f53c006 3315
817762d9 3316 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 3317 nl80211_mark_disconnected(drv);
817762d9 3318 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006 3319 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
10d32e2c 3320 reason_code, 0, nl_connect);
3f53c006
JJ		 3321 /*
3322 * For locally generated disconnect, supplicant already generates a
3323 * DEAUTH event, so ignore the event from NL80211.
3324 */
b898b655 3325 drv->ignore_next_local_disconnect = drv_associated && (ret == 0);
3f53c006
JJ		 3326
3327 return ret;
cfaab580
ZY		 3328}
3329
3330
9ebce9c5 3331static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
4be17ffb 3332 const u8 *addr, u16 reason_code)
3f5285e8 3333{
a2e40bb6 3334 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 3335 int ret;
b898b655 3336 int drv_associated = drv->associated;
9392c9be
AS		 3337
3338 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3339 nl80211_mark_disconnected(drv);
666e508c 3340 return nl80211_leave_ibss(drv, 1);
9392c9be 3341 }
10d32e2c 3342 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
25ebd538 3343 struct nl_sock *nl_connect = NULL;
10d32e2c
CI		 3344
3345 if (bss->use_nl_connect)
3346 nl_connect = bss->nl_connect;
3347 return wpa_driver_nl80211_disconnect(drv, reason_code,
3348 nl_connect);
3349 }
2e75a2b3
JM		 3350 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3351 __func__, MAC2STR(addr), reason_code);
add9b7a4 3352 nl80211_mark_disconnected(drv);
d6a36f39 3353 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
10d32e2c 3354 reason_code, 0, NULL);
d6a36f39
JM		 3355 /*
3356 * For locally generated deauthenticate, supplicant already generates a
3357 * DEAUTH event, so ignore the event from NL80211.
3358 */
b898b655
HW		 3359 drv->ignore_next_local_deauth = drv_associated && (ret == 0);
3360
d6a36f39 3361 return ret;
3f5285e8
JM		 3362}
3363
3364
536fd62d
JM		 3365static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3366 struct wpa_driver_auth_params *params)
3367{
3368 int i;
3369
3370 drv->auth_freq = params->freq;
3371 drv->auth_alg = params->auth_alg;
3372 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3373 drv->auth_local_state_change = params->local_state_change;
3374 drv->auth_p2p = params->p2p;
3375
3376 if (params->bssid)
3377 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3378 else
3379 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3380
3381 if (params->ssid) {
3382 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3383 drv->auth_ssid_len = params->ssid_len;
3384 } else
3385 drv->auth_ssid_len = 0;
3386
3387
3388 os_free(drv->auth_ie);
3389 drv->auth_ie = NULL;
3390 drv->auth_ie_len = 0;
3391 if (params->ie) {
3392 drv->auth_ie = os_malloc(params->ie_len);
3393 if (drv->auth_ie) {
3394 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3395 drv->auth_ie_len = params->ie_len;
3396 }
3397 }
3398
3399 for (i = 0; i < 4; i++) {
3400 if (params->wep_key[i] && params->wep_key_len[i] &&
3401 params->wep_key_len[i] <= 16) {
3402 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3403 params->wep_key_len[i]);
3404 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3405 } else
3406 drv->auth_wep_key_len[i] = 0;
3407 }
3408}
3409
3410
4bd71954
JM		 3411static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3412{
3413 struct wpa_driver_nl80211_data *drv = bss->drv;
3414
3415 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3416 return;
3417
3418 /*
3419 * Looks like we failed to unmask 11b rates previously. This could
3420 * happen, e.g., if the interface was down at the point in time when a
3421 * P2P group was terminated.
3422 */
3423 wpa_printf(MSG_DEBUG,
3424 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3425 bss->ifname);
3426 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3427}
3428
3429
3c67e977
VK		 3430static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3431{
3432 if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3433 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3434 if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3435 return NL80211_AUTHTYPE_SHARED_KEY;
3436 if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3437 return NL80211_AUTHTYPE_NETWORK_EAP;
3438 if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3439 return NL80211_AUTHTYPE_FT;
3440 if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3441 return NL80211_AUTHTYPE_SAE;
3442 if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3443 return NL80211_AUTHTYPE_FILS_SK;
3444 if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3445 return NL80211_AUTHTYPE_FILS_SK_PFS;
3446
3447 return NL80211_AUTHTYPE_MAX;
3448}
3449
3450
c2a04078 3451static int wpa_driver_nl80211_authenticate(
9ebce9c5 3452 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 3453{
a2e40bb6 3454 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 3455 int ret = -1, i;
c2a04078
JM		 3456 struct nl_msg *msg;
3457 enum nl80211_auth_type type;
2f4f73b1 3458 enum nl80211_iftype nlmode;
6d6f4bb8 3459 int count = 0;
536fd62d
JM		 3460 int is_retry;
3461
4bd71954
JM		 3462 nl80211_unmask_11b_rates(bss);
3463
536fd62d
JM		 3464 is_retry = drv->retry_auth;
3465 drv->retry_auth = 0;
e8d70a73 3466 drv->ignore_deauth_event = 0;
c2a04078 3467
add9b7a4 3468 nl80211_mark_disconnected(drv);
e6b8efeb 3469 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 3470 if (params->bssid)
3471 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3472 else
3473 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 3474 /* FIX: IBSS mode */
2f4f73b1
EP		 3475 nlmode = params->p2p ?
3476 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3477 if (drv->nlmode != nlmode &&
9ebce9c5 3478 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 3479 return -1;
3480
6d6f4bb8 3481retry:
c2a04078
JM		 3482 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3483 drv->ifindex);
a0b2f99b 3484
9725b784
JM		 3485 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3486 if (!msg)
3487 goto fail;
0194fedb 3488
a0b2f99b
JM		 3489 for (i = 0; i < 4; i++) {
3490 if (!params->wep_key[i])
3491 continue;
9ebce9c5 3492 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 3493 NULL, i,
a0b2f99b
JM		 3494 i == params->wep_tx_keyidx, NULL, 0,
3495 params->wep_key[i],
3496 params->wep_key_len[i]);
0194fedb
JB		 3497 if (params->wep_tx_keyidx != i)
3498 continue;
3499 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM		 3500 params->wep_key[i], params->wep_key_len[i]))
3501 goto fail;
a0b2f99b
JM		 3502 }
3503
c2a04078
JM		 3504 if (params->bssid) {
3505 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3506 MAC2STR(params->bssid));
a862e4a3
JM		 3507 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3508 goto fail;
c2a04078
JM		 3509 }
3510 if (params->freq) {
3511 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 3512 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3513 goto fail;
c2a04078
JM		 3514 }
3515 if (params->ssid) {
21cd8f83
JM		 3516 wpa_printf(MSG_DEBUG, " * SSID=%s",
3517 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 3518 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3519 params->ssid))
3520 goto fail;
c2a04078
JM		 3521 }
3522 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM		 3523 if (params->ie &&
3524 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3525 goto fail;
ce16c489
JM		 3526 if (params->auth_data) {
3527 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
3528 params->auth_data_len);
3529 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
3530 params->auth_data))
a862e4a3 3531 goto fail;
569fed90 3532 }
3c67e977 3533 type = get_nl_auth_type(params->auth_alg);
c2a04078 3534 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 3535 if (type == NL80211_AUTHTYPE_MAX ||
3536 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 3537 goto fail;
77339912
JM		 3538 if (params->local_state_change) {
3539 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM		 3540 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3541 goto fail;
77339912 3542 }
c2a04078
JM		 3543
3544 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3545 msg = NULL;
3546 if (ret) {
3b7ea880 3547 wpa_dbg(drv->ctx, MSG_DEBUG,
f875da04
BG		 3548 "nl80211: MLME command failed (auth): count=%d ret=%d (%s)",
3549 count, ret, strerror(-ret));
6d6f4bb8 3550 count++;
f875da04
BG		 3551 if ((ret == -EALREADY || ret == -EEXIST) && count == 1 &&
3552 params->bssid && !params->local_state_change) {
6d6f4bb8
JM		 3553 /*
3554 * mac80211 does not currently accept new
3555 * authentication if we are already authenticated. As a
3556 * workaround, force deauthentication and try again.
3557 */
3558 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3559 "after forced deauthentication");
e8d70a73 3560 drv->ignore_deauth_event = 1;
6d6f4bb8 3561 wpa_driver_nl80211_deauthenticate(
5205c4f9 3562 bss, params->bssid,
6d6f4bb8
JM		 3563 WLAN_REASON_PREV_AUTH_NOT_VALID);
3564 nlmsg_free(msg);
3565 goto retry;
3566 }
536fd62d
JM		 3567
3568 if (ret == -ENOENT && params->freq && !is_retry) {
3569 /*
3570 * cfg80211 has likely expired the BSS entry even
3571 * though it was previously available in our internal
3572 * BSS table. To recover quickly, start a single
3573 * channel scan on the specified channel.
3574 */
3575 struct wpa_driver_scan_params scan;
3576 int freqs[2];
3577
3578 os_memset(&scan, 0, sizeof(scan));
3579 scan.num_ssids = 1;
3580 if (params->ssid) {
3581 scan.ssids[0].ssid = params->ssid;
3582 scan.ssids[0].ssid_len = params->ssid_len;
3583 }
3584 freqs[0] = params->freq;
3585 freqs[1] = 0;
3586 scan.freqs = freqs;
3587 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3588 "channel scan to refresh cfg80211 BSS "
3589 "entry");
3590 ret = wpa_driver_nl80211_scan(bss, &scan);
3591 if (ret == 0) {
3592 nl80211_copy_auth_params(drv, params);
3593 drv->scan_for_auth = 1;
3594 }
8c3ba078
JM		 3595 } else if (is_retry) {
3596 /*
3597 * Need to indicate this with an event since the return
3598 * value from the retry is not delivered to core code.
3599 */
3600 union wpa_event_data event;
3601 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3602 "failed");
3603 os_memset(&event, 0, sizeof(event));
3604 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3605 ETH_ALEN);
3606 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3607 &event);
536fd62d 3608 }
a862e4a3
JM		 3609 } else {
3610 wpa_printf(MSG_DEBUG,
3611 "nl80211: Authentication request send successfully");
c2a04078 3612 }
c2a04078 3613
a862e4a3 3614fail:
c2a04078
JM		 3615 nlmsg_free(msg);
3616 return ret;
3617}
3618
3619
f3407c66 3620int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM		 3621{
3622 struct wpa_driver_auth_params params;
834ee56f 3623 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 3624 int i;
3625
3626 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3627
3628 os_memset(&params, 0, sizeof(params));
3629 params.freq = drv->auth_freq;
3630 params.auth_alg = drv->auth_alg;
3631 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3632 params.local_state_change = drv->auth_local_state_change;
3633 params.p2p = drv->auth_p2p;
3634
3635 if (!is_zero_ether_addr(drv->auth_bssid_))
3636 params.bssid = drv->auth_bssid_;
3637
3638 if (drv->auth_ssid_len) {
3639 params.ssid = drv->auth_ssid;
3640 params.ssid_len = drv->auth_ssid_len;
3641 }
3642
3643 params.ie = drv->auth_ie;
3644 params.ie_len = drv->auth_ie_len;
3645
3646 for (i = 0; i < 4; i++) {
3647 if (drv->auth_wep_key_len[i]) {
3648 params.wep_key[i] = drv->auth_wep_key[i];
3649 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3650 }
3651 }
3652
3653 drv->retry_auth = 1;
3654 return wpa_driver_nl80211_authenticate(bss, &params);
3655}
3656
3657
9ebce9c5
JM		 3658static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3659 size_t data_len, int noack,
3660 unsigned int freq, int no_cck,
3661 int offchanok,
2d3943ce
AO		 3662 unsigned int wait_time,
3663 const u16 *csa_offs,
27cc06d0 3664 size_t csa_offs_len, int no_encrypt)
2c2010ac 3665{
a2e40bb6 3666 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 3667 struct ieee80211_mgmt *mgmt;
27cc06d0 3668 int encrypt = !no_encrypt;
2c2010ac 3669 u16 fc;
5ad372cc 3670 int use_cookie = 1;
0dae4354 3671 int res;
2c2010ac
JM		 3672
3673 mgmt = (struct ieee80211_mgmt *) data;
3674 fc = le_to_host16(mgmt->frame_control);
f95a4524 3675 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
27cc06d0 3676 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u no_encrypt=%d fc=0x%x (%s) nlmode=%d",
f95a4524 3677 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
27cc06d0 3678 no_encrypt, fc, fc2str(fc), drv->nlmode);
2c2010ac 3679
8e12685c
AS		 3680 if ((is_sta_interface(drv->nlmode) ||
3681 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 3682 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3683 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3684 /*
3685 * The use of last_mgmt_freq is a bit of a hack,
3686 * but it works due to the single-threaded nature
3687 * of wpa_supplicant.
3688 */
af964484
JM		 3689 if (freq == 0) {
3690 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3691 drv->last_mgmt_freq);
55231068 3692 freq = drv->last_mgmt_freq;
af964484 3693 }
5ad372cc
JM		 3694 wait_time = 0;
3695 use_cookie = 0;
3696 no_cck = 1;
3697 offchanok = 1;
3698 goto send_frame_cmd;
5582a5d1
JB		 3699 }
3700
61cbe2ff 3701 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 3702 if (freq == 0) {
3703 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3704 bss->freq);
55231068 3705 freq = bss->freq;
af964484 3706 }
5ad372cc
JM		 3707 if ((int) freq == bss->freq)
3708 wait_time = 0;
3709 goto send_frame_cmd;
86957e62
JM		 3710 }
3711
2c2010ac
JM		 3712 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3713 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3714 /*
3715 * Only one of the authentication frame types is encrypted.
3716 * In order for static WEP encryption to work properly (i.e.,
3717 * to not encrypt the frame), we need to tell mac80211 about
3718 * the frames that must not be encrypted.
3719 */
3720 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3721 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 3722 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3723 encrypt = 0;
2c2010ac
JM		 3724 }
3725
0dae4354
JM		 3726 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3727 freq = nl80211_get_assoc_freq(drv);
3728 wpa_printf(MSG_DEBUG,
3729 "nl80211: send_mlme - Use assoc_freq=%u for IBSS",
3730 freq);
3731 }
3732 if (freq == 0) {
3733 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - Use bss->freq=%u",
3734 bss->freq);
3735 freq = bss->freq;
3736 }
3737
3738 if (drv->use_monitor) {
3739 wpa_printf(MSG_DEBUG,
3740 "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3741 freq, bss->freq);
3742 return nl80211_send_monitor(drv, data, data_len, encrypt,
3743 noack);
3744 }
3745
5ad372cc
JM		 3746 if (noack || WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
3747 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
3748 use_cookie = 0;
3749send_frame_cmd:
9bedf900
JM		 3750#ifdef CONFIG_TESTING_OPTIONS
3751 if (no_encrypt && !encrypt && !drv->use_monitor) {
3752 wpa_printf(MSG_DEBUG,
3753 "nl80211: Request to send an unencrypted frame - use a monitor interface for this");
3754 if (nl80211_create_monitor_interface(drv) < 0)
3755 return -1;
3756 res = nl80211_send_monitor(drv, data, data_len, encrypt,
3757 noack);
3758 nl80211_remove_monitor_interface(drv);
3759 return res;
3760 }
3761#endif /* CONFIG_TESTING_OPTIONS */
3762
0dae4354
JM		 3763 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame_cmd");
3764 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, data_len,
5ad372cc 3765 use_cookie, no_cck, noack, offchanok,
0dae4354 3766 csa_offs, csa_offs_len);
0dae4354
JM		 3767
3768 return res;
55231068
JM		 3769}
3770
3771
cae87abd
JM		 3772static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3773{
3774 u8 rates[NL80211_MAX_SUPP_RATES];
3775 u8 rates_len = 0;
3776 int i;
3777
3778 if (!basic_rates)
3779 return 0;
3780
3781 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3782 rates[rates_len++] = basic_rates[i] / 5;
3783
3784 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3785}
3786
3787
31357268 3788static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47 3789 int slot, int ht_opmode, int ap_isolate,
cae87abd 3790 const int *basic_rates)
31357268
JM		 3791{
3792 struct wpa_driver_nl80211_data *drv = bss->drv;
3793 struct nl_msg *msg;
3794
13f83980 3795 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM		 3796 (cts >= 0 &&
3797 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3798 (preamble >= 0 &&
3799 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3800 (slot >= 0 &&
3801 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3802 (ht_opmode >= 0 &&
3803 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3804 (ap_isolate >= 0 &&
cae87abd
JM		 3805 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3806 nl80211_put_basic_rates(msg, basic_rates)) {
3807 nlmsg_free(msg);
3808 return -ENOBUFS;
e5693c47
JM		 3809 }
3810
31357268 3811 return send_and_recv_msgs(drv, msg, NULL, NULL);
31357268
JM		 3812}
3813
3814
3c4ca363
VN		 3815static int wpa_driver_nl80211_set_acl(void *priv,
3816 struct hostapd_acl_params *params)
3817{
3818 struct i802_bss *bss = priv;
3819 struct wpa_driver_nl80211_data *drv = bss->drv;
3820 struct nl_msg *msg;
f429ec44 3821 struct nl_msg *acl;
3c4ca363 3822 unsigned int i;
a862e4a3 3823 int ret;
3c4ca363
VN		 3824
3825 if (!(drv->capa.max_acl_mac_addrs))
3826 return -ENOTSUP;
3827
3828 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3829 return -ENOTSUP;
3830
3c4ca363
VN		 3831 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3832 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3833
f429ec44
JM		 3834 acl = nlmsg_alloc();
3835 if (!acl)
3836 return -ENOMEM;
3837 for (i = 0; i < params->num_mac_acl; i++) {
3838 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3839 nlmsg_free(acl);
3840 return -ENOMEM;
3841 }
3842 }
3843
9725b784 3844 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM		 3845 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3846 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3847 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
f429ec44 3848 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
a862e4a3 3849 nlmsg_free(msg);
f429ec44 3850 nlmsg_free(acl);
a862e4a3
JM		 3851 return -ENOMEM;
3852 }
f429ec44 3853 nlmsg_free(acl);
3c4ca363
VN		 3854
3855 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN		 3856 if (ret) {
3857 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3858 ret, strerror(-ret));
3859 }
3860
3c4ca363
VN		 3861 return ret;
3862}
3863
3864
85e1fad8
JM		 3865static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3866{
3867 if (beacon_int > 0) {
3868 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3869 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3870 beacon_int);
3871 }
3872
3873 return 0;
3874}
3875
3876
4ac2ea57
MH		 3877static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3878{
3879 if (dtim_period > 0) {
3880 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3881 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3882 }
3883
3884 return 0;
3885}
3886
3887
052b8d38
MH		 3888#ifdef CONFIG_MESH
3889static int nl80211_set_mesh_config(void *priv,
3890 struct wpa_driver_mesh_bss_params *params)
3891{
3892 struct i802_bss *bss = priv;
3893 struct wpa_driver_nl80211_data *drv = bss->drv;
3894 struct nl_msg *msg;
3895 int ret;
3896
3897 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3898 if (!msg)
3899 return -1;
3900
3901 ret = nl80211_put_mesh_config(msg, params);
3902 if (ret < 0) {
3903 nlmsg_free(msg);
3904 return ret;
3905 }
3906
3907 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3908 if (ret) {
3909 wpa_printf(MSG_ERROR,
3910 "nl80211: Mesh config set failed: %d (%s)",
3911 ret, strerror(-ret));
3912 return ret;
3913 }
3914 return 0;
3915}
3916#endif /* CONFIG_MESH */
3917
3918
d4f3003c
PK		 3919static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags,
3920 struct wpa_driver_ap_params *params)
3921{
3922 struct nlattr *bands, *band;
3923 struct nl80211_txrate_vht vht_rate;
3924
3925 if (!params->freq ||
3926 (params->beacon_rate == 0 &&
3927 params->rate_type == BEACON_RATE_LEGACY))
3928 return 0;
3929
3930 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
3931 if (!bands)
3932 return -1;
3933
3934 switch (params->freq->mode) {
3935 case HOSTAPD_MODE_IEEE80211B:
3936 case HOSTAPD_MODE_IEEE80211G:
3937 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
3938 break;
3939 case HOSTAPD_MODE_IEEE80211A:
3940 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
3941 break;
3942 case HOSTAPD_MODE_IEEE80211AD:
3943 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
3944 break;
3945 default:
3946 return 0;
3947 }
3948
3949 if (!band)
3950 return -1;
3951
3952 os_memset(&vht_rate, 0, sizeof(vht_rate));
3953
3954 switch (params->rate_type) {
3955 case BEACON_RATE_LEGACY:
3956 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
3957 wpa_printf(MSG_INFO,
3958 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
3959 return -1;
3960 }
3961
3962 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
3963 (u8) params->beacon_rate / 5) ||
3964 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
3965 (params->freq->vht_enabled &&
3966 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3967 &vht_rate)))
3968 return -1;
3969
3970 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
3971 params->beacon_rate);
3972 break;
3973 case BEACON_RATE_HT:
3974 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
3975 wpa_printf(MSG_INFO,
3976 "nl80211: Driver does not support setting Beacon frame rate (HT)");
3977 return -1;
3978 }
3979 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
3980 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
3981 (params->freq->vht_enabled &&
3982 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3983 &vht_rate)))
3984 return -1;
3985 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
3986 params->beacon_rate);
3987 break;
3988 case BEACON_RATE_VHT:
3989 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
3990 wpa_printf(MSG_INFO,
3991 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
3992 return -1;
3993 }
3994 vht_rate.mcs[0] = BIT(params->beacon_rate);
3995 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
3996 return -1;
3997 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
3998 return -1;
3999 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4000 &vht_rate))
4001 return -1;
4002 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
4003 params->beacon_rate);
4004 break;
4005 }
4006
4007 nla_nest_end(msg, band);
4008 nla_nest_end(msg, bands);
4009
4010 return 0;
4011}
4012
4013
34f7c699
MB		 4014static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
4015 int multicast_to_unicast)
4016{
4017 struct wpa_driver_nl80211_data *drv = bss->drv;
4018 struct nl_msg *msg;
4019 int ret;
4020
4021 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
4022 if (!msg ||
4023 (multicast_to_unicast &&
4024 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
4025 wpa_printf(MSG_ERROR,
4026 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
4027 bss->ifname);
4028 nlmsg_free(msg);
4029 return -ENOBUFS;
4030 }
4031
4032 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4033
4034 switch (ret) {
4035 case 0:
4036 wpa_printf(MSG_DEBUG,
4037 "nl80211: multicast to unicast %s on interface %s",
4038 multicast_to_unicast ? "enabled" : "disabled",
4039 bss->ifname);
4040 break;
4041 case -EOPNOTSUPP:
4042 if (!multicast_to_unicast)
4043 break;
4044 wpa_printf(MSG_INFO,
4045 "nl80211: multicast to unicast not supported on interface %s",
4046 bss->ifname);
4047 break;
4048 default:
4049 wpa_printf(MSG_ERROR,
4050 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
4051 multicast_to_unicast ? "enabling" : "disabling",
4052 ret, strerror(-ret), bss->ifname);
4053 break;
4054 }
4055
4056 return ret;
4057}
4058
4059
19c3b566
JM		 4060static int wpa_driver_nl80211_set_ap(void *priv,
4061 struct wpa_driver_ap_params *params)
d2440ba0 4062{
a2e40bb6
FF		 4063 struct i802_bss *bss = priv;
4064 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 4065 struct nl_msg *msg;
4066 u8 cmd = NL80211_CMD_NEW_BEACON;
5b82cdbe 4067 int ret = -ENOBUFS;
b4fd6fab 4068 int beacon_set;
b11d1d64 4069 int num_suites;
da1080d7 4070 int smps_mode;
de4ed4a8 4071 u32 suites[10], suite;
b11d1d64 4072 u32 ver;
052b8d38
MH		 4073#ifdef CONFIG_MESH
4074 struct wpa_driver_mesh_bss_params mesh_params;
4075#endif /* CONFIG_MESH */
b4fd6fab 4076
f33c8606 4077 beacon_set = params->reenable ? 0 : bss->beacon_set;
d2440ba0 4078
d2440ba0 4079 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 4080 beacon_set);
4081 if (beacon_set)
d2440ba0 4082 cmd = NL80211_CMD_SET_BEACON;
89fa633a
DL		 4083 else if (!drv->device_ap_sme && !drv->use_monitor &&
4084 !nl80211_get_wiphy_data_ap(bss))
a70cd0db 4085 return -ENOBUFS;
d2440ba0 4086
b92e08fc
JM		 4087 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
4088 params->head, params->head_len);
b92e08fc
JM		 4089 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
4090 params->tail, params->tail_len);
13f83980 4091 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 4092 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
d4f3003c
PK		 4093 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
4094 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
b92e08fc 4095 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
21cd8f83
JM		 4096 wpa_printf(MSG_DEBUG, "nl80211: ssid=%s",
4097 wpa_ssid_txt(params->ssid, params->ssid_len));
13f83980 4098 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 4099 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
4100 params->head) ||
4101 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
4102 params->tail) ||
85e1fad8 4103 nl80211_put_beacon_int(msg, params->beacon_int) ||
d4f3003c 4104 nl80211_put_beacon_rate(msg, drv->capa.flags, params) ||
4ac2ea57 4105 nl80211_put_dtim_period(msg, params->dtim_period) ||
a862e4a3
JM		 4106 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4107 goto fail;
b92e08fc
JM		 4108 if (params->proberesp && params->proberesp_len) {
4109 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
4110 params->proberesp, params->proberesp_len);
a862e4a3
JM		 4111 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
4112 params->proberesp))
4113 goto fail;
b92e08fc 4114 }
97a7a0b5
JM		 4115 switch (params->hide_ssid) {
4116 case NO_SSID_HIDING:
b92e08fc 4117 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM		 4118 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4119 NL80211_HIDDEN_SSID_NOT_IN_USE))
4120 goto fail;
97a7a0b5
JM		 4121 break;
4122 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 4123 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM		 4124 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4125 NL80211_HIDDEN_SSID_ZERO_LEN))
4126 goto fail;
97a7a0b5
JM		 4127 break;
4128 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 4129 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM		 4130 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4131 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
4132 goto fail;
97a7a0b5
JM		 4133 break;
4134 }
b92e08fc 4135 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM		 4136 if (params->privacy &&
4137 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
4138 goto fail;
b92e08fc 4139 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 4140 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
4141 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
4142 /* Leave out the attribute */
a862e4a3
JM		 4143 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
4144 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4145 NL80211_AUTHTYPE_SHARED_KEY))
4146 goto fail;
4147 } else {
4148 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4149 NL80211_AUTHTYPE_OPEN_SYSTEM))
4150 goto fail;
4151 }
b11d1d64 4152
b92e08fc 4153 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 4154 ver = 0;
4155 if (params->wpa_version & WPA_PROTO_WPA)
4156 ver |= NL80211_WPA_VERSION_1;
4157 if (params->wpa_version & WPA_PROTO_RSN)
4158 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM		 4159 if (ver &&
4160 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4161 goto fail;
b11d1d64 4162
b92e08fc
JM		 4163 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
4164 params->key_mgmt_suites);
b11d1d64
JM		 4165 num_suites = 0;
4166 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3aa24db9 4167 suites[num_suites++] = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
b11d1d64 4168 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3aa24db9 4169 suites[num_suites++] = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
a862e4a3
JM		 4170 if (num_suites &&
4171 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
4172 suites))
4173 goto fail;
b11d1d64 4174
533fe09b 4175 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
e3429c0b
JB		 4176 (!params->pairwise_ciphers ||
4177 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
4178 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
4179 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
a862e4a3 4180 goto fail;
9f12614b 4181
c8931afe
JM		 4182 if (drv->device_ap_sme &&
4183 (params->key_mgmt_suites & WPA_KEY_MGMT_SAE) &&
4184 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
4185 goto fail;
236e793e 4186
b92e08fc
JM		 4187 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
4188 params->pairwise_ciphers);
de4ed4a8
JM		 4189 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
4190 suites, ARRAY_SIZE(suites));
a862e4a3
JM		 4191 if (num_suites &&
4192 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4193 num_suites * sizeof(u32), suites))
4194 goto fail;
b11d1d64 4195
b92e08fc
JM		 4196 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
4197 params->group_cipher);
de4ed4a8 4198 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM		 4199 if (suite &&
4200 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
4201 goto fail;
d2440ba0 4202
ee298f1b
JM		 4203 if (params->ht_opmode != -1) {
4204 switch (params->smps_mode) {
4205 case HT_CAP_INFO_SMPS_DYNAMIC:
4206 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
4207 smps_mode = NL80211_SMPS_DYNAMIC;
4208 break;
4209 case HT_CAP_INFO_SMPS_STATIC:
4210 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
4211 smps_mode = NL80211_SMPS_STATIC;
4212 break;
4213 default:
4214 /* invalid - fallback to smps off */
4215 case HT_CAP_INFO_SMPS_DISABLED:
4216 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
4217 smps_mode = NL80211_SMPS_OFF;
4218 break;
4219 }
a2426829 4220 if (nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
ee298f1b 4221 goto fail;
da1080d7 4222 }
da1080d7 4223
fb91db56 4224 if (params->beacon_ies) {
b92e08fc
JM		 4225 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
4226 params->beacon_ies);
a862e4a3
JM		 4227 if (nla_put(msg, NL80211_ATTR_IE,
4228 wpabuf_len(params->beacon_ies),
4229 wpabuf_head(params->beacon_ies)))
4230 goto fail;
fb91db56
JM		 4231 }
4232 if (params->proberesp_ies) {
b92e08fc
JM		 4233 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
4234 params->proberesp_ies);
a862e4a3
JM		 4235 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
4236 wpabuf_len(params->proberesp_ies),
4237 wpabuf_head(params->proberesp_ies)))
4238 goto fail;
fb91db56
JM		 4239 }
4240 if (params->assocresp_ies) {
b92e08fc
JM		 4241 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
4242 params->assocresp_ies);
a862e4a3
JM		 4243 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
4244 wpabuf_len(params->assocresp_ies),
4245 wpabuf_head(params->assocresp_ies)))
4246 goto fail;
fb91db56
JM		 4247 }
4248
a0133ee1 4249 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 4250 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
4251 params->ap_max_inactivity);
a862e4a3
JM		 4252 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
4253 params->ap_max_inactivity))
4254 goto fail;
a0133ee1
VT		 4255 }
4256
abb8d08b
EP		 4257#ifdef CONFIG_P2P
4258 if (params->p2p_go_ctwindow > 0) {
4259 if (drv->p2p_go_ctwindow_supported) {
4260 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
4261 params->p2p_go_ctwindow);
4262 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
4263 params->p2p_go_ctwindow))
4264 goto fail;
4265 } else {
4266 wpa_printf(MSG_INFO,
4267 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
4268 }
4269 }
4270#endif /* CONFIG_P2P */
4271
86b5c400
LD		 4272 if (params->pbss) {
4273 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
4274 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4275 goto fail;
4276 }
4277
5b82cdbe
JB		 4278 if (params->ftm_responder) {
4279 struct nlattr *ftm;
4280
4281 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) {
4282 ret = -ENOTSUP;
4283 goto fail;
4284 }
4285
4286 ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER);
4287 if (!ftm ||
4288 nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) ||
4289 (params->lci &&
4290 nla_put(msg, NL80211_FTM_RESP_ATTR_LCI,
4291 wpabuf_len(params->lci),
4292 wpabuf_head(params->lci))) ||
4293 (params->civic &&
4294 nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC,
4295 wpabuf_len(params->civic),
4296 wpabuf_head(params->civic))))
4297 goto fail;
4298 nla_nest_end(msg, ftm);
4299 }
4300
a84bf443
JC		 4301#ifdef CONFIG_IEEE80211AX
4302 if (params->he_spr) {
4303 struct nlattr *spr;
4304
4305 spr = nla_nest_start(msg, NL80211_ATTR_HE_OBSS_PD);
4306 wpa_printf(MSG_DEBUG, "nl80211: he_spr=%d", params->he_spr);
4307
4308 if (nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
4309 params->he_spr_srg_obss_pd_min_offset) ||
4310 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
4311 params->he_spr_srg_obss_pd_max_offset))
4312 goto fail;
4313
4314 nla_nest_end(msg, spr);
4315 }
4316#endif /* CONFIG_IEEE80211AX */
4317
d2440ba0
JM		 4318 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4319 if (ret) {
4320 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
4321 ret, strerror(-ret));
b4fd6fab 4322 } else {
b4fd6fab 4323 bss->beacon_set = 1;
31357268 4324 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 4325 params->short_slot_time, params->ht_opmode,
e5693c47 4326 params->isolate, params->basic_rates);
34f7c699
MB		 4327 nl80211_set_multicast_to_unicast(bss,
4328 params->multicast_to_unicast);
e87ef751
PX		 4329 if (beacon_set && params->freq &&
4330 params->freq->bandwidth != bss->bandwidth) {
4331 wpa_printf(MSG_DEBUG,
4332 "nl80211: Update BSS %s bandwidth: %d -> %d",
4333 bss->ifname, bss->bandwidth,
4334 params->freq->bandwidth);
4335 ret = nl80211_set_channel(bss, params->freq, 1);
4336 if (ret) {
4337 wpa_printf(MSG_DEBUG,
4338 "nl80211: Frequency set failed: %d (%s)",
4339 ret, strerror(-ret));
4340 } else {
4341 wpa_printf(MSG_DEBUG,
4342 "nl80211: Frequency set succeeded for ht2040 coex");
4343 bss->bandwidth = params->freq->bandwidth;
4344 }
f5728d0a 4345 } else if (!beacon_set && params->freq) {
e87ef751
PX		 4346 /*
4347 * cfg80211 updates the driver on frequence change in AP
4348 * mode only at the point when beaconing is started, so
4349 * set the initial value here.
4350 */
4351 bss->bandwidth = params->freq->bandwidth;
4352 }
b4fd6fab 4353 }
052b8d38
MH		 4354
4355#ifdef CONFIG_MESH
4356 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
4357 os_memset(&mesh_params, 0, sizeof(mesh_params));
4358 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
4359 mesh_params.ht_opmode = params->ht_opmode;
4360 ret = nl80211_set_mesh_config(priv, &mesh_params);
4361 if (ret < 0)
4362 return ret;
4363 }
4364#endif /* CONFIG_MESH */
4365
d2440ba0 4366 return ret;
a862e4a3 4367fail:
5883168a 4368 nlmsg_free(msg);
5b82cdbe 4369 return ret;
d2440ba0
JM		 4370}
4371
4372
1c4ffa87 4373static int nl80211_put_freq_params(struct nl_msg *msg,
72b2605f 4374 const struct hostapd_freq_params *freq)
1581b38b 4375{
df4f9599
SE		 4376 enum hostapd_hw_mode hw_mode;
4377 int is_24ghz;
4378 u8 channel;
4379
1fc4ab23 4380 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
a862e4a3
JM		 4381 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4382 return -ENOBUFS;
4383
ad9a1bfe 4384 wpa_printf(MSG_DEBUG, " * he_enabled=%d", freq->he_enabled);
1fc4ab23
JM		 4385 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4386 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4387
df4f9599
SE		 4388 hw_mode = ieee80211_freq_to_chan(freq->freq, &channel);
4389 is_24ghz = hw_mode == HOSTAPD_MODE_IEEE80211G ||
4390 hw_mode == HOSTAPD_MODE_IEEE80211B;
4391
4392 if (freq->vht_enabled || (freq->he_enabled && !is_24ghz)) {
a862e4a3
JM		 4393 enum nl80211_chan_width cw;
4394
1fc4ab23 4395 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
89b800d7
JB		 4396 switch (freq->bandwidth) {
4397 case 20:
a862e4a3 4398 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB		 4399 break;
4400 case 40:
a862e4a3 4401 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB		 4402 break;
4403 case 80:
4404 if (freq->center_freq2)
a862e4a3 4405 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 4406 else
a862e4a3 4407 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB		 4408 break;
4409 case 160:
a862e4a3 4410 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB		 4411 break;
4412 default:
1c4ffa87 4413 return -EINVAL;
89b800d7 4414 }
a862e4a3 4415
1fc4ab23
JM		 4416 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4417 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4418 freq->center_freq1);
4419 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4420 freq->center_freq2);
a862e4a3
JM		 4421 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4422 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4423 freq->center_freq1) ||
4424 (freq->center_freq2 &&
4425 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
4426 freq->center_freq2)))
4427 return -ENOBUFS;
89b800d7 4428 } else if (freq->ht_enabled) {
a862e4a3
JM		 4429 enum nl80211_channel_type ct;
4430
1fc4ab23
JM		 4431 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4432 freq->sec_channel_offset);
89b800d7 4433 switch (freq->sec_channel_offset) {
f019981a 4434 case -1:
a862e4a3 4435 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM		 4436 break;
4437 case 1:
a862e4a3 4438 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM		 4439 break;
4440 default:
a862e4a3 4441 ct = NL80211_CHAN_HT20;
f019981a
JM		 4442 break;
4443 }
a862e4a3 4444
1fc4ab23 4445 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
a862e4a3
JM		 4446 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
4447 return -ENOBUFS;
dda5d9e3
AAL		 4448 } else if (freq->edmg.channels && freq->edmg.bw_config) {
4449 wpa_printf(MSG_DEBUG,
4450 " * EDMG configuration: channels=0x%x bw_config=%d",
4451 freq->edmg.channels, freq->edmg.bw_config);
4452 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
4453 freq->edmg.channels) ||
4454 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
4455 freq->edmg.bw_config))
4456 return -1;
3388e7b9
MH		 4457 } else {
4458 wpa_printf(MSG_DEBUG, " * channel_type=%d",
4459 NL80211_CHAN_NO_HT);
4460 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
4461 NL80211_CHAN_NO_HT))
4462 return -ENOBUFS;
f019981a 4463 }
1c4ffa87 4464 return 0;
1c4ffa87
AO		 4465}
4466
4467
e87ef751
PX		 4468static int nl80211_set_channel(struct i802_bss *bss,
4469 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 4470{
4471 struct wpa_driver_nl80211_data *drv = bss->drv;
4472 struct nl_msg *msg;
4473 int ret;
4474
4475 wpa_printf(MSG_DEBUG,
ad9a1bfe
JC		 4476 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
4477 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
1c4ffa87 4478 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 4479
9725b784
JM		 4480 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
4481 NL80211_CMD_SET_WIPHY);
4482 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM		 4483 nlmsg_free(msg);
4484 return -1;
4485 }
1581b38b 4486
d2440ba0 4487 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 4488 if (ret == 0) {
89b800d7 4489 bss->freq = freq->freq;
1581b38b 4490 return 0;
e4fb2167 4491 }
f019981a 4492 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 4493 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM		 4494 return -1;
4495}
4496
0f4e8b4f 4497
95ab6063
AN		 4498static u32 sta_flags_nl80211(int flags)
4499{
4500 u32 f = 0;
4501
4502 if (flags & WPA_STA_AUTHORIZED)
4503 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
4504 if (flags & WPA_STA_WMM)
4505 f |= BIT(NL80211_STA_FLAG_WME);
4506 if (flags & WPA_STA_SHORT_PREAMBLE)
4507 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
4508 if (flags & WPA_STA_MFP)
4509 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 4510 if (flags & WPA_STA_TDLS_PEER)
4511 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC		 4512 if (flags & WPA_STA_AUTHENTICATED)
4513 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
dc55b6b6
AB		 4514 if (flags & WPA_STA_ASSOCIATED)
4515 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
95ab6063
AN		 4516
4517 return f;
4518}
4519
4520
7c7e7877
BC		 4521#ifdef CONFIG_MESH
4522static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
4523{
4524 switch (state) {
d02e5498 4525 case PLINK_IDLE:
7c7e7877 4526 return NL80211_PLINK_LISTEN;
d02e5498 4527 case PLINK_OPN_SNT:
7c7e7877 4528 return NL80211_PLINK_OPN_SNT;
d02e5498 4529 case PLINK_OPN_RCVD:
7c7e7877
BC		 4530 return NL80211_PLINK_OPN_RCVD;
4531 case PLINK_CNF_RCVD:
4532 return NL80211_PLINK_CNF_RCVD;
4533 case PLINK_ESTAB:
4534 return NL80211_PLINK_ESTAB;
4535 case PLINK_HOLDING:
4536 return NL80211_PLINK_HOLDING;
4537 case PLINK_BLOCKED:
4538 return NL80211_PLINK_BLOCKED;
4539 default:
4540 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
4541 state);
4542 }
4543 return -1;
4544}
4545#endif /* CONFIG_MESH */
4546
4547
62847751 4548static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 4549 struct hostapd_sta_add_params *params)
4550{
a2e40bb6
FF		 4551 struct i802_bss *bss = priv;
4552 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 4553 struct nl_msg *msg;
95ab6063 4554 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 4555 int ret = -ENOBUFS;
4556
45b722f1
AN		 4557 if ((params->flags & WPA_STA_TDLS_PEER) &&
4558 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
4559 return -EOPNOTSUPP;
4560
e4dea253
JM		 4561 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
4562 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM		 4563 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
4564 NL80211_CMD_NEW_STATION);
4565 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 4566 goto fail;
5551bc9c 4567
dc55b6b6
AB		 4568 /*
4569 * Set the below properties only in one of the following cases:
4570 * 1. New station is added, already associated.
4571 * 2. Set WPA_STA_TDLS_PEER station.
4572 * 3. Set an already added unassociated station, if driver supports
4573 * full AP client state. (Set these properties after station became
4574 * associated will be rejected by the driver).
4575 */
4576 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4577 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4578 (params->flags & WPA_STA_ASSOCIATED))) {
5551bc9c
BC		 4579 wpa_hexdump(MSG_DEBUG, " * supported rates",
4580 params->supp_rates, params->supp_rates_len);
a862e4a3
JM		 4581 wpa_printf(MSG_DEBUG, " * capability=0x%x",
4582 params->capability);
4583 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
4584 params->supp_rates_len, params->supp_rates) ||
4585 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
4586 params->capability))
4587 goto fail;
e503861f
JM		 4588
4589 if (params->ht_capabilities) {
4590 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
4591 (u8 *) params->ht_capabilities,
4592 sizeof(*params->ht_capabilities));
a862e4a3
JM		 4593 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
4594 sizeof(*params->ht_capabilities),
4595 params->ht_capabilities))
4596 goto fail;
e503861f
JM		 4597 }
4598
4599 if (params->vht_capabilities) {
4600 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
4601 (u8 *) params->vht_capabilities,
4602 sizeof(*params->vht_capabilities));
a862e4a3
JM		 4603 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
4604 sizeof(*params->vht_capabilities),
4605 params->vht_capabilities))
4606 goto fail;
e503861f
JM		 4607 }
4608
59d9c3a1
JC		 4609 if (params->he_capab) {
4610 wpa_hexdump(MSG_DEBUG, " * he_capab",
4611 params->he_capab, params->he_capab_len);
4612 if (nla_put(msg, NL80211_ATTR_HE_CAPABILITY,
4613 params->he_capab_len, params->he_capab))
4614 goto fail;
4615 }
4616
e503861f
JM		 4617 if (params->ext_capab) {
4618 wpa_hexdump(MSG_DEBUG, " * ext_capab",
4619 params->ext_capab, params->ext_capab_len);
a862e4a3
JM		 4620 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4621 params->ext_capab_len, params->ext_capab))
4622 goto fail;
e503861f 4623 }
ae33239c
AB		 4624
4625 if (is_ap_interface(drv->nlmode) &&
4626 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4627 params->support_p2p_ps ?
4628 NL80211_P2P_PS_SUPPORTED :
4629 NL80211_P2P_PS_UNSUPPORTED))
4630 goto fail;
5551bc9c 4631 }
45b722f1 4632 if (!params->set) {
f11b72c3
JM		 4633 if (params->aid) {
4634 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM		 4635 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4636 goto fail;
f11b72c3
JM		 4637 } else {
4638 /*
4639 * cfg80211 validates that AID is non-zero, so we have
4640 * to make this a non-zero value for the TDLS case where
dc55b6b6
AB		 4641 * a dummy STA entry is used for now and for a station
4642 * that is still not associated.
f11b72c3 4643 */
dc55b6b6
AB		 4644 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4645 (params->flags & WPA_STA_TDLS_PEER) ?
4646 "TDLS" : "UNASSOC_STA");
a862e4a3
JM		 4647 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4648 goto fail;
f11b72c3 4649 }
e4dea253
JM		 4650 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4651 params->listen_interval);
a862e4a3
JM		 4652 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4653 params->listen_interval))
4654 goto fail;
e112764e
JM		 4655 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4656 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM		 4657 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4658 goto fail;
dc55b6b6
AB		 4659 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4660 (params->flags & WPA_STA_ASSOCIATED)) {
4661 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4662 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4663 params->listen_interval);
4664 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4665 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4666 params->listen_interval))
4667 goto fail;
45b722f1 4668 }
05a8d422 4669
8a458116
MK		 4670 if (params->vht_opmode_enabled) {
4671 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM		 4672 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4673 params->vht_opmode))
4674 goto fail;
8a458116
MK		 4675 }
4676
efc64886
SD		 4677 if (params->supp_channels) {
4678 wpa_hexdump(MSG_DEBUG, " * supported channels",
4679 params->supp_channels, params->supp_channels_len);
a862e4a3
JM		 4680 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4681 params->supp_channels_len, params->supp_channels))
4682 goto fail;
efc64886
SD		 4683 }
4684
4685 if (params->supp_oper_classes) {
4686 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4687 params->supp_oper_classes,
4688 params->supp_oper_classes_len);
a862e4a3
JM		 4689 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4690 params->supp_oper_classes_len,
4691 params->supp_oper_classes))
4692 goto fail;
efc64886
SD		 4693 }
4694
95ab6063 4695 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC		 4696 upd.set = sta_flags_nl80211(params->flags);
4697 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
dc55b6b6
AB		 4698
4699 /*
4700 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4701 * flags, as nl80211 driver moves a new station, by default, into
4702 * associated state.
4703 *
4704 * On the other hand, if the driver supports that feature and the
4705 * station is added in unauthenticated state, set the
4706 * authenticated/associated bits in the mask to prevent moving this
4707 * station to associated state before it is actually associated.
4708 *
4709 * This is irrelevant for mesh mode where the station is added to the
4710 * driver as authenticated already, and ASSOCIATED isn't part of the
4711 * nl80211 API.
4712 */
4713 if (!is_mesh_interface(drv->nlmode)) {
4714 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4715 wpa_printf(MSG_DEBUG,
4716 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4717 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4718 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4719 } else if (!params->set &&
4720 !(params->flags & WPA_STA_TDLS_PEER)) {
4721 if (!(params->flags & WPA_STA_AUTHENTICATED))
4722 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4723 if (!(params->flags & WPA_STA_ASSOCIATED))
4724 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4725 }
e347cafe
MH		 4726#ifdef CONFIG_MESH
4727 } else {
4728 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4729 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4730 params->peer_aid);
4731 if (ret)
4732 goto fail;
4733 }
4734#endif /* CONFIG_MESH */
dc55b6b6
AB		 4735 }
4736
e4dea253
JM		 4737 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4738 upd.set, upd.mask);
a862e4a3
JM		 4739 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4740 goto fail;
95ab6063 4741
7c7e7877 4742#ifdef CONFIG_MESH
a862e4a3
JM		 4743 if (params->plink_state &&
4744 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4745 sta_plink_state_nl80211(params->plink_state)))
4746 goto fail;
7c7e7877
BC		 4747#endif /* CONFIG_MESH */
4748
968520da
SD		 4749 if ((!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4750 FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) &&
4751 (params->flags & WPA_STA_WMM)) {
8970bae8
JB		 4752 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4753
e4dea253 4754 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM		 4755 if (!wme ||
4756 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4757 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4758 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4759 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4760 WMM_QOSINFO_STA_SP_MASK))
4761 goto fail;
8970bae8 4762 nla_nest_end(msg, wme);
774bfa62
EP		 4763 }
4764
0f4e8b4f 4765 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4766 msg = NULL;
0f4e8b4f 4767 if (ret)
45b722f1
AN		 4768 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4769 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4770 strerror(-ret));
0f4e8b4f
JM		 4771 if (ret == -EEXIST)
4772 ret = 0;
a862e4a3 4773fail:
5883168a 4774 nlmsg_free(msg);
0f4e8b4f
JM		 4775 return ret;
4776}
4777
4778
97ed9a06
KP		 4779static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4780{
4781#ifdef CONFIG_LIBNL3_ROUTE
4782 struct wpa_driver_nl80211_data *drv = bss->drv;
4783 struct rtnl_neigh *rn;
4784 struct nl_addr *nl_addr;
4785 int err;
4786
4787 rn = rtnl_neigh_alloc();
4788 if (!rn)
4789 return;
4790
4791 rtnl_neigh_set_family(rn, AF_BRIDGE);
4792 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4793 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4794 if (!nl_addr) {
4795 rtnl_neigh_put(rn);
4796 return;
4797 }
4798 rtnl_neigh_set_lladdr(rn, nl_addr);
4799
4800 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4801 if (err < 0) {
4802 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4803 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4804 bss->ifindex, nl_geterror(err));
4805 } else {
4806 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4807 MACSTR, MAC2STR(addr));
4808 }
4809
4810 nl_addr_put(nl_addr);
4811 rtnl_neigh_put(rn);
4812#endif /* CONFIG_LIBNL3_ROUTE */
4813}
4814
4815
59d7148a
JM		 4816static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4817 int deauth, u16 reason_code)
0f4e8b4f 4818{
a2e40bb6 4819 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 4820 struct nl_msg *msg;
4821 int ret;
4822
13f83980 4823 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM		 4824 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4825 (deauth == 0 &&
4826 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4827 WLAN_FC_STYPE_DISASSOC)) ||
4828 (deauth == 1 &&
4829 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4830 WLAN_FC_STYPE_DEAUTH)) ||
4831 (reason_code &&
4832 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4833 nlmsg_free(msg);
4834 return -ENOBUFS;
4835 }
0f4e8b4f
JM		 4836
4837 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 4838 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4839 " --> %d (%s)",
4840 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 4841
4842 if (drv->rtnl_sk)
4843 rtnl_neigh_delete_fdb_entry(bss, addr);
4844
0f4e8b4f
JM		 4845 if (ret == -ENOENT)
4846 return 0;
4847 return ret;
0f4e8b4f
JM		 4848}
4849
1581b38b 4850
f3407c66 4851void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM		 4852{
4853 struct nl_msg *msg;
de884303 4854 struct wpa_driver_nl80211_data *drv2;
0915d02c 4855
c6e8e8e4
JM		 4856 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4857
2135f224 4858 /* stop listening for EAPOL on this interface */
de884303
JM		 4859 dl_list_for_each(drv2, &drv->global->interfaces,
4860 struct wpa_driver_nl80211_data, list)
732b1d20
MB		 4861 {
4862 del_ifidx(drv2, ifidx, IFIDX_ANY);
4863 /* Remove all bridges learned for this iface */
4864 del_ifidx(drv2, IFIDX_ANY, ifidx);
4865 }
2135f224 4866
95376e1a 4867 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 4868 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4869 return;
e748062b 4870 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 4871}
4872
4873
cc9a2575 4874const char * nl80211_iftype_str(enum nl80211_iftype mode)
a1922f93
JM		 4875{
4876 switch (mode) {
4877 case NL80211_IFTYPE_ADHOC:
4878 return "ADHOC";
4879 case NL80211_IFTYPE_STATION:
4880 return "STATION";
4881 case NL80211_IFTYPE_AP:
4882 return "AP";
1045ec36
JM		 4883 case NL80211_IFTYPE_AP_VLAN:
4884 return "AP_VLAN";
4885 case NL80211_IFTYPE_WDS:
4886 return "WDS";
a1922f93
JM		 4887 case NL80211_IFTYPE_MONITOR:
4888 return "MONITOR";
1045ec36
JM		 4889 case NL80211_IFTYPE_MESH_POINT:
4890 return "MESH_POINT";
a1922f93
JM		 4891 case NL80211_IFTYPE_P2P_CLIENT:
4892 return "P2P_CLIENT";
4893 case NL80211_IFTYPE_P2P_GO:
4894 return "P2P_GO";
7aad838c
NS		 4895 case NL80211_IFTYPE_P2P_DEVICE:
4896 return "P2P_DEVICE";
a1922f93
JM		 4897 default:
4898 return "unknown";
4899 }
4900}
4901
4902
a35187e7
KH		 4903static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4904 const char *ifname,
4905 enum nl80211_iftype iftype,
d6dcfcda
DS		 4906 const u8 *addr, int wds,
4907 int (*handler)(struct nl_msg *, void *),
4908 void *arg)
0915d02c 4909{
8970bae8 4910 struct nl_msg *msg;
0915d02c
JM		 4911 int ifidx;
4912 int ret = -ENOBUFS;
4913
a1922f93
JM		 4914 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4915 iftype, nl80211_iftype_str(iftype));
4916
56f77852
JM		 4917 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4918 if (!msg ||
a862e4a3
JM		 4919 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4920 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4921 goto fail;
0915d02c
JM		 4922
4923 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 4924 struct nlattr *flags;
0915d02c 4925
8970bae8 4926 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM		 4927 if (!flags ||
4928 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4929 goto fail;
0915d02c 4930
8970bae8 4931 nla_nest_end(msg, flags);
fbbfcbac 4932 } else if (wds) {
a862e4a3
JM		 4933 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4934 goto fail;
0915d02c
JM		 4935 }
4936
52f5877a
IP		 4937 /*
4938 * Tell cfg80211 that the interface belongs to the socket that created
4939 * it, and the interface should be deleted when the socket is closed.
4940 */
a862e4a3
JM		 4941 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4942 goto fail;
52f5877a 4943
d6dcfcda 4944 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 4945 msg = NULL;
0915d02c 4946 if (ret) {
a862e4a3 4947 fail:
5883168a 4948 nlmsg_free(msg);
a35187e7
KH		 4949 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4950 ifname, ret, strerror(-ret));
0915d02c
JM		 4951 return ret;
4952 }
4953
f632e483 4954 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 4955 return 0;
6bae92e0 4956
0915d02c 4957 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 4958 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4959 ifname, ifidx);
0915d02c
JM		 4960
4961 if (ifidx <= 0)
4962 return -1;
4963
147848ec
JM		 4964 /*
4965 * Some virtual interfaces need to process EAPOL packets and events on
4966 * the parent interface. This is used mainly with hostapd.
4967 */
4968 if (drv->hostapd ||
4969 iftype == NL80211_IFTYPE_AP_VLAN ||
4970 iftype == NL80211_IFTYPE_WDS ||
4971 iftype == NL80211_IFTYPE_MONITOR) {
4972 /* start listening for EAPOL on this interface */
732b1d20 4973 add_ifidx(drv, ifidx, IFIDX_ANY);
147848ec 4974 }
2135f224 4975
7bfc47c3 4976 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 4977 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 4978 nl80211_remove_iface(drv, ifidx);
4979 return -1;
2135f224 4980 }
2135f224 4981
0915d02c
JM		 4982 return ifidx;
4983}
22a7c9d7
JM		 4984
4985
f3407c66
JM		 4986int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4987 const char *ifname, enum nl80211_iftype iftype,
4988 const u8 *addr, int wds,
4989 int (*handler)(struct nl_msg *, void *),
4990 void *arg, int use_existing)
a35187e7
KH		 4991{
4992 int ret;
4993
d6dcfcda
DS		 4994 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4995 arg);
a35187e7 4996
ffbf1eaa 4997 /* if error occurred and interface exists already */
a35187e7 4998 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 4999 if (use_existing) {
5000 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
5001 ifname);
6997f8ba
JM		 5002 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
5003 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5004 addr) < 0 &&
5005 (linux_set_iface_flags(drv->global->ioctl_sock,
5006 ifname, 0) < 0 ||
5007 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5008 addr) < 0 ||
5009 linux_set_iface_flags(drv->global->ioctl_sock,
5010 ifname, 1) < 0))
5011 return -1;
2aec4f3c
JM		 5012 return -ENFILE;
5013 }
a35187e7
KH		 5014 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
5015
5016 /* Try to remove the interface that was already there. */
5017 nl80211_remove_iface(drv, if_nametoindex(ifname));
5018
5019 /* Try to create the interface again */
fbbfcbac 5020 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 5021 wds, handler, arg);
a35187e7
KH		 5022 }
5023
3e208481
JM		 5024 if (ret >= 0 && is_p2p_net_interface(iftype)) {
5025 wpa_printf(MSG_DEBUG,
5026 "nl80211: Interface %s created for P2P - disable 11b rates",
5027 ifname);
4e5cb1a3 5028 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 5029 }
4e5cb1a3 5030
a35187e7
KH		 5031 return ret;
5032}
0915d02c 5033
2135f224 5034
3fd1cefb
JB		 5035static int nl80211_setup_ap(struct i802_bss *bss)
5036{
5037 struct wpa_driver_nl80211_data *drv = bss->drv;
5038
748c0ac0
JM		 5039 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
5040 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 5041
a11241fa
JB		 5042 /*
5043 * Disable Probe Request reporting unless we need it in this way for
5044 * devices that include the AP SME, in the other case (unless using
5045 * monitor iface) we'll get it through the nl_mgmt socket instead.
5046 */
5047 if (!drv->device_ap_sme)
5048 wpa_driver_nl80211_probe_req_report(bss, 0);
5049
5050 if (!drv->device_ap_sme && !drv->use_monitor)
5051 if (nl80211_mgmt_subscribe_ap(bss))
5052 return -1;
5053
a6cc0602
JM		 5054 if (drv->device_ap_sme && !drv->use_monitor)
5055 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
f4830bed
RM		 5056 wpa_printf(MSG_DEBUG,
5057 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
a6cc0602 5058
a11241fa 5059 if (!drv->device_ap_sme && drv->use_monitor &&
ea19b39f
RM		 5060 nl80211_create_monitor_interface(drv) &&
5061 !drv->device_ap_sme)
3fd1cefb
JB		 5062 return -1;
5063
5064 if (drv->device_ap_sme &&
5065 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
5066 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
5067 "Probe Request frame reporting in AP mode");
5068 /* Try to survive without this */
5069 }
5070
5071 return 0;
5072}
5073
5074
5075static void nl80211_teardown_ap(struct i802_bss *bss)
5076{
5077 struct wpa_driver_nl80211_data *drv = bss->drv;
5078
748c0ac0
JM		 5079 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
5080 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 5081 if (drv->device_ap_sme) {
3fd1cefb 5082 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 5083 if (!drv->use_monitor)
5084 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
5085 } else if (drv->use_monitor)
3fd1cefb 5086 nl80211_remove_monitor_interface(drv);
a11241fa 5087 else
36488c05 5088 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 5089
a70cd0db 5090 nl80211_put_wiphy_data_ap(bss);
3fd1cefb
JB		 5091 bss->beacon_set = 0;
5092}
5093
5094
8759e911 5095static int nl80211_tx_control_port(void *priv, const u8 *dest,
a79ed068
MT		 5096 u16 proto, const u8 *buf, size_t len,
5097 int no_encrypt)
8759e911
BJ		 5098{
5099 struct i802_bss *bss = priv;
5100 struct nl_msg *msg;
5101 int ret;
5102
5103 wpa_printf(MSG_DEBUG,
5104 "nl80211: Send over control port dest=" MACSTR
a79ed068
MT		 5105 " proto=0x%04x len=%u no_encrypt=%d",
5106 MAC2STR(dest), proto, (unsigned int) len, no_encrypt);
8759e911
BJ		 5107
5108 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CONTROL_PORT_FRAME);
5109 if (!msg ||
5110 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
5111 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dest) ||
a79ed068
MT		 5112 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
5113 (no_encrypt &&
5114 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) {
8759e911
BJ		 5115 nlmsg_free(msg);
5116 return -ENOBUFS;
5117 }
5118
5119 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5120 if (ret)
5121 wpa_printf(MSG_DEBUG,
5122 "nl80211: tx_control_port failed: ret=%d (%s)",
5123 ret, strerror(ret));
5124
5125 return ret;
5126}
5127
5128
f10bfc9a
JM		 5129static int nl80211_send_eapol_data(struct i802_bss *bss,
5130 const u8 *addr, const u8 *data,
d12dab4c 5131 size_t data_len)
f10bfc9a 5132{
d12dab4c
JB		 5133 struct sockaddr_ll ll;
5134 int ret;
5135
5136 if (bss->drv->eapol_tx_sock < 0) {
5137 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 5138 return -1;
5139 }
5140
d12dab4c
JB		 5141 os_memset(&ll, 0, sizeof(ll));
5142 ll.sll_family = AF_PACKET;
5143 ll.sll_ifindex = bss->ifindex;
5144 ll.sll_protocol = htons(ETH_P_PAE);
5145 ll.sll_halen = ETH_ALEN;
5146 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
5147 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
5148 (struct sockaddr *) &ll, sizeof(ll));
5149 if (ret < 0)
5150 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
5151 strerror(errno));
5152
5153 return ret;
f10bfc9a 5154}
5fb1a232 5155
f10bfc9a 5156
db149ac9
JM		 5157static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
5158
5159static int wpa_driver_nl80211_hapd_send_eapol(
5160 void *priv, const u8 *addr, const u8 *data,
4378fc14 5161 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 5162{
a2e40bb6
FF		 5163 struct i802_bss *bss = priv;
5164 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 5165 struct ieee80211_hdr *hdr;
5166 size_t len;
5167 u8 *pos;
5168 int res;
4378fc14 5169 int qos = flags & WPA_STA_WMM;
db149ac9 5170
a11241fa 5171 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 5172 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 5173
db149ac9
JM		 5174 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
5175 data_len;
5176 hdr = os_zalloc(len);
5177 if (hdr == NULL) {
7ac3616d
JM		 5178 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
5179 (unsigned long) len);
db149ac9
JM		 5180 return -1;
5181 }
5182
5183 hdr->frame_control =
5184 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
5185 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
5186 if (encrypt)
5187 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 5188 if (qos) {
5189 hdr->frame_control |=
5190 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
5191 }
db149ac9
JM		 5192
5193 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
5194 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
5195 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
5196 pos = (u8 *) (hdr + 1);
5197
db149ac9 5198 if (qos) {
92d521d8
FF		 5199 /* Set highest priority in QoS header */
5200 pos[0] = 7;
db149ac9
JM		 5201 pos[1] = 0;
5202 pos += 2;
5203 }
db149ac9
JM		 5204
5205 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
5206 pos += sizeof(rfc1042_header);
5207 WPA_PUT_BE16(pos, ETH_P_PAE);
5208 pos += 2;
5209 memcpy(pos, data, data_len);
5210
14cc3d10 5211 res = nl80211_send_monitor(drv, hdr, len, encrypt, 0);
db149ac9
JM		 5212 if (res < 0) {
5213 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
5214 "failed: %d (%s)",
3ea58a05 5215 (unsigned long) len, res, strerror(res));
db149ac9 5216 }
7bf12757 5217 os_free(hdr);
db149ac9
JM		 5218
5219 return res;
5220}
5221
a8d6ffa4 5222
3234cba4 5223static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
f97e3ce4
JM		 5224 unsigned int total_flags,
5225 unsigned int flags_or,
5226 unsigned int flags_and)
a8d6ffa4 5227{
a2e40bb6 5228 struct i802_bss *bss = priv;
8970bae8
JB		 5229 struct nl_msg *msg;
5230 struct nlattr *flags;
7e76ee9c 5231 struct nl80211_sta_flag_update upd;
a8d6ffa4 5232
0cd9846c
JM		 5233 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
5234 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
5235 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
5236 !!(total_flags & WPA_STA_AUTHORIZED));
5237
13f83980 5238 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5239 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
5240 goto fail;
a8d6ffa4 5241
7e76ee9c
JM		 5242 /*
5243 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
5244 * can be removed eventually.
5245 */
8970bae8 5246 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM		 5247 if (!flags ||
5248 ((total_flags & WPA_STA_AUTHORIZED) &&
5249 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
5250 ((total_flags & WPA_STA_WMM) &&
5251 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
5252 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
5253 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
5254 ((total_flags & WPA_STA_MFP) &&
5255 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
5256 ((total_flags & WPA_STA_TDLS_PEER) &&
5257 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
5258 goto fail;
45b722f1 5259
8970bae8 5260 nla_nest_end(msg, flags);
a8d6ffa4 5261
7e76ee9c
JM		 5262 os_memset(&upd, 0, sizeof(upd));
5263 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
5264 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM		 5265 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
5266 goto fail;
7e76ee9c 5267
13f83980 5268 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 5269fail:
5883168a 5270 nlmsg_free(msg);
a8d6ffa4
JM		 5271 return -ENOBUFS;
5272}
5273
0915d02c 5274
6720b948
THJ		 5275static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr,
5276 unsigned int weight)
5277{
5278 struct i802_bss *bss = priv;
5279 struct nl_msg *msg;
5280
5281 wpa_printf(MSG_DEBUG,
5282 "nl80211: Set STA airtime weight - ifname=%s addr=" MACSTR
5283 " weight=%u", bss->ifname, MAC2STR(addr), weight);
5284
5285 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5286 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5287 nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight))
5288 goto fail;
5289
5290 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5291fail:
5292 nlmsg_free(msg);
5293 return -ENOBUFS;
5294}
5295
5296
1581b38b
JM		 5297static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
5298 struct wpa_driver_associate_params *params)
5299{
708bc8e0 5300 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 5301
5302 if (params->p2p) {
046b26a2
JM		 5303 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
5304 "group (GO)");
b1f625e0
EP		 5305 nlmode = NL80211_IFTYPE_P2P_GO;
5306 } else
5307 nlmode = NL80211_IFTYPE_AP;
5308
708bc8e0 5309 old_mode = drv->nlmode;
834ee56f 5310 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 5311 nl80211_remove_monitor_interface(drv);
5312 return -1;
5313 }
5314
6e9023ea
JM		 5315 if (params->freq.freq &&
5316 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 5317 if (old_mode != nlmode)
834ee56f 5318 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 5319 nl80211_remove_monitor_interface(drv);
1581b38b 5320 return -1;
0915d02c 5321 }
1581b38b 5322
1581b38b
JM		 5323 return 0;
5324}
1581b38b
JM		 5325
5326
666e508c
JM		 5327static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
5328 int reset_mode)
5cc4d64b
JM		 5329{
5330 struct nl_msg *msg;
9725b784 5331 int ret;
a862e4a3 5332
9725b784 5333 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 5334 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM		 5335 if (ret) {
5336 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
5337 "(%s)", ret, strerror(-ret));
9725b784
JM		 5338 } else {
5339 wpa_printf(MSG_DEBUG,
5340 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM		 5341 }
5342
666e508c
JM		 5343 if (reset_mode &&
5344 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 5345 NL80211_IFTYPE_STATION)) {
5346 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5347 "station mode");
5348 }
5349
5cc4d64b
JM		 5350 return ret;
5351}
5352
5353
95ff3069
JD		 5354static int nl80211_ht_vht_overrides(struct nl_msg *msg,
5355 struct wpa_driver_associate_params *params)
5356{
5357 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
5358 return -1;
5359
5360 if (params->htcaps && params->htcaps_mask) {
5361 int sz = sizeof(struct ieee80211_ht_capabilities);
5362 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
5363 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
5364 params->htcaps_mask, sz);
5365 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
5366 params->htcaps) ||
5367 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
5368 params->htcaps_mask))
5369 return -1;
5370 }
5371
5372#ifdef CONFIG_VHT_OVERRIDES
5373 if (params->disable_vht) {
5374 wpa_printf(MSG_DEBUG, " * VHT disabled");
5375 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
5376 return -1;
5377 }
5378
5379 if (params->vhtcaps && params->vhtcaps_mask) {
5380 int sz = sizeof(struct ieee80211_vht_capabilities);
5381 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
5382 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
5383 params->vhtcaps_mask, sz);
5384 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
5385 params->vhtcaps) ||
5386 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
5387 params->vhtcaps_mask))
5388 return -1;
5389 }
5390#endif /* CONFIG_VHT_OVERRIDES */
5391
5392 return 0;
5393}
5394
5395
5cc4d64b
JM		 5396static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
5397 struct wpa_driver_associate_params *params)
5398{
5399 struct nl_msg *msg;
5400 int ret = -1;
5401 int count = 0;
5402
5403 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
5404
4ec68377 5405 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 5406 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5407 "IBSS mode");
5408 return -1;
5409 }
5410
5411retry:
9725b784 5412 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM		 5413 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
5414 goto fail;
5cc4d64b 5415
21cd8f83
JM		 5416 wpa_printf(MSG_DEBUG, " * SSID=%s",
5417 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 5418 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5419 goto fail;
5cc4d64b
JM		 5420 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5421 drv->ssid_len = params->ssid_len;
5422
85e1fad8
JM		 5423 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
5424 nl80211_put_beacon_int(msg, params->beacon_int))
a862e4a3 5425 goto fail;
5cc4d64b
JM		 5426
5427 ret = nl80211_set_conn_keys(params, msg);
5428 if (ret)
a862e4a3 5429 goto fail;
5cc4d64b 5430
913e3cf7
NC		 5431 if (params->bssid && params->fixed_bssid) {
5432 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
5433 MAC2STR(params->bssid));
a862e4a3
JM		 5434 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5435 goto fail;
913e3cf7
NC		 5436 }
5437
4d9e6fba
JD		 5438 if (params->fixed_freq) {
5439 wpa_printf(MSG_DEBUG, " * fixed_freq");
5440 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
5441 goto fail;
5442 }
5443
4848a38d
JM		 5444 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5445 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5446 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5447 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 5448 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM		 5449 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5450 goto fail;
e640888c
AQ		 5451 }
5452
a95795ad
JM		 5453 if (params->wpa_ie) {
5454 wpa_hexdump(MSG_DEBUG,
5455 " * Extra IEs for Beacon/Probe Response frames",
5456 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5457 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
5458 params->wpa_ie))
5459 goto fail;
a95795ad
JM		 5460 }
5461
e15dcf6d
PK		 5462 ret = nl80211_ht_vht_overrides(msg, params);
5463 if (ret < 0)
5464 goto fail;
95ff3069 5465
5cc4d64b
JM		 5466 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5467 msg = NULL;
5468 if (ret) {
5469 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
5470 ret, strerror(-ret));
5471 count++;
5472 if (ret == -EALREADY && count == 1) {
5473 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
5474 "forced leave");
666e508c 5475 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM		 5476 nlmsg_free(msg);
5477 goto retry;
5478 }
a862e4a3
JM		 5479 } else {
5480 wpa_printf(MSG_DEBUG,
5481 "nl80211: Join IBSS request sent successfully");
5cc4d64b 5482 }
5cc4d64b 5483
a862e4a3 5484fail:
5cc4d64b
JM		 5485 nlmsg_free(msg);
5486 return ret;
5487}
5488
5489
ad295f3b
VK		 5490static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
5491 struct wpa_driver_associate_params *params,
5492 struct nl_msg *msg)
5493{
5494 if (params->fils_erp_username_len) {
5495 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username",
5496 params->fils_erp_username,
5497 params->fils_erp_username_len);
5498 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
5499 params->fils_erp_username_len,
5500 params->fils_erp_username))
5501 return -1;
5502 }
5503
5504 if (params->fils_erp_realm_len) {
5505 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm",
5506 params->fils_erp_realm,
5507 params->fils_erp_realm_len);
5508 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
5509 params->fils_erp_realm_len, params->fils_erp_realm))
5510 return -1;
5511 }
5512
5513 wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u",
5514 params->fils_erp_next_seq_num);
5515 if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
5516 params->fils_erp_next_seq_num))
5517 return -1;
5518
5519 if (params->fils_erp_rrk_len) {
5520 wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)",
5521 (unsigned long) params->fils_erp_rrk_len);
5522 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
5523 params->fils_erp_rrk_len, params->fils_erp_rrk))
5524 return -1;
5525 }
5526
5527 return 0;
5528}
5529
5530
a0bdd191
JM		 5531static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
5532 struct wpa_driver_associate_params *params,
5533 struct nl_msg *msg)
cfaab580 5534{
c85dfc6f
JM		 5535 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5536 return -1;
5537
cfaab580
ZY		 5538 if (params->bssid) {
5539 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5540 MAC2STR(params->bssid));
a862e4a3
JM		 5541 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5542 return -1;
cfaab580 5543 }
a0bdd191 5544
7ac7fd43
DS		 5545 if (params->bssid_hint) {
5546 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
5547 MAC2STR(params->bssid_hint));
a862e4a3
JM		 5548 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
5549 params->bssid_hint))
5550 return -1;
7ac7fd43
DS		 5551 }
5552
4ec68377
JD		 5553 if (params->freq.freq) {
5554 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM		 5555 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
5556 params->freq.freq))
5557 return -1;
4ec68377 5558 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 5559 } else
5560 drv->assoc_freq = 0;
a0bdd191 5561
7ac7fd43
DS		 5562 if (params->freq_hint) {
5563 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM		 5564 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
5565 params->freq_hint))
5566 return -1;
7ac7fd43
DS		 5567 }
5568
dda5d9e3
AAL		 5569 if (params->freq.edmg.channels && params->freq.edmg.bw_config) {
5570 wpa_printf(MSG_DEBUG,
5571 " * EDMG configuration: channels=0x%x bw_config=%d",
5572 params->freq.edmg.channels,
5573 params->freq.edmg.bw_config);
5574 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
5575 params->freq.edmg.channels) ||
5576 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
5577 params->freq.edmg.bw_config))
5578 return -1;
5579 }
5580
1f6c0ab8
BS		 5581 if (params->bg_scan_period >= 0) {
5582 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
5583 params->bg_scan_period);
a862e4a3
JM		 5584 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
5585 params->bg_scan_period))
5586 return -1;
1f6c0ab8 5587 }
a0bdd191 5588
cfaab580 5589 if (params->ssid) {
21cd8f83
JM		 5590 wpa_printf(MSG_DEBUG, " * SSID=%s",
5591 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 5592 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
5593 params->ssid))
5594 return -1;
cfaab580 5595 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 5596 return -1;
cfaab580
ZY		 5597 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5598 drv->ssid_len = params->ssid_len;
5599 }
a0bdd191 5600
cfaab580 5601 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5602 if (params->wpa_ie &&
5603 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
5604 return -1;
cfaab580 5605
64fa840a
JM		 5606 if (params->wpa_proto) {
5607 enum nl80211_wpa_versions ver = 0;
cfaab580 5608
64fa840a
JM		 5609 if (params->wpa_proto & WPA_PROTO_WPA)
5610 ver |= NL80211_WPA_VERSION_1;
5611 if (params->wpa_proto & WPA_PROTO_RSN)
5612 ver |= NL80211_WPA_VERSION_2;
cfaab580 5613
64fa840a 5614 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM		 5615 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5616 return -1;
cfaab580
ZY		 5617 }
5618
4848a38d 5619 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5620 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
5621 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM		 5622 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5623 cipher))
5624 return -1;
cfaab580
ZY		 5625 }
5626
ae6f9272
JM		 5627 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
5628 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
5629 /*
5630 * This is likely to work even though many drivers do not
5631 * advertise support for operations without GTK.
5632 */
5633 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
5634 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5635 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
5636 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM		 5637 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
5638 return -1;
cfaab580
ZY		 5639 }
5640
4848a38d
JM		 5641 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5642 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5643 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
5644 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 5645 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 5646 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
5647 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8 5648 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
005585d6
AB		 5649 params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5650 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE ||
5e3b5197 5651 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
ad295f3b 5652 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
005585d6 5653 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
ad295f3b
VK		 5654 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
5655 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
5656 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
e005725a
SD		 5657 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 ||
5658 params->key_mgmt_suite == WPA_KEY_MGMT_OWE ||
5659 params->key_mgmt_suite == WPA_KEY_MGMT_DPP) {
3aa24db9 5660 int mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5661
5662 switch (params->key_mgmt_suite) {
4848a38d 5663 case WPA_KEY_MGMT_CCKM:
3aa24db9 5664 mgmt = RSN_AUTH_KEY_MGMT_CCKM;
369c8d7b 5665 break;
4848a38d 5666 case WPA_KEY_MGMT_IEEE8021X:
3aa24db9 5667 mgmt = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
cfaab580 5668 break;
4848a38d 5669 case WPA_KEY_MGMT_FT_IEEE8021X:
3aa24db9 5670 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X;
6a1ce395 5671 break;
4848a38d 5672 case WPA_KEY_MGMT_FT_PSK:
3aa24db9 5673 mgmt = RSN_AUTH_KEY_MGMT_FT_PSK;
6a1ce395 5674 break;
8802326f 5675 case WPA_KEY_MGMT_IEEE8021X_SHA256:
3aa24db9 5676 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
8802326f
JJ		 5677 break;
5678 case WPA_KEY_MGMT_PSK_SHA256:
3aa24db9 5679 mgmt = RSN_AUTH_KEY_MGMT_PSK_SHA256;
8802326f 5680 break;
163f801e 5681 case WPA_KEY_MGMT_OSEN:
3aa24db9 5682 mgmt = RSN_AUTH_KEY_MGMT_OSEN;
163f801e 5683 break;
005585d6
AB		 5684 case WPA_KEY_MGMT_SAE:
5685 mgmt = RSN_AUTH_KEY_MGMT_SAE;
5686 break;
5687 case WPA_KEY_MGMT_FT_SAE:
5688 mgmt = RSN_AUTH_KEY_MGMT_FT_SAE;
5689 break;
666497c8 5690 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
3aa24db9 5691 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
666497c8 5692 break;
5e3b5197 5693 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
3aa24db9 5694 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
5e3b5197 5695 break;
005585d6
AB		 5696 case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
5697 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
5698 break;
ad295f3b
VK		 5699 case WPA_KEY_MGMT_FILS_SHA256:
5700 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA256;
5701 break;
5702 case WPA_KEY_MGMT_FILS_SHA384:
5703 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA384;
5704 break;
5705 case WPA_KEY_MGMT_FT_FILS_SHA256:
5706 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
5707 break;
5708 case WPA_KEY_MGMT_FT_FILS_SHA384:
5709 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
5710 break;
e005725a
SD		 5711 case WPA_KEY_MGMT_OWE:
5712 mgmt = RSN_AUTH_KEY_MGMT_OWE;
5713 break;
5714 case WPA_KEY_MGMT_DPP:
5715 mgmt = RSN_AUTH_KEY_MGMT_DPP;
5716 break;
4848a38d 5717 case WPA_KEY_MGMT_PSK:
cfaab580 5718 default:
3aa24db9 5719 mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5720 break;
5721 }
163f801e 5722 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM		 5723 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
5724 return -1;
cfaab580
ZY		 5725 }
5726
cb28bd52 5727 if (params->req_handshake_offload &&
d896874f
AS		 5728 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) {
5729 wpa_printf(MSG_DEBUG, " * WANT_1X_4WAY_HS");
5730 if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS))
5731 return -1;
5732 }
5733
730c5a1d
EP		 5734 /* Add PSK in case of 4-way handshake offload */
5735 if (params->psk &&
436ee2fd 5736 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) {
730c5a1d
EP		 5737 wpa_hexdump_key(MSG_DEBUG, " * PSK", params->psk, 32);
5738 if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk))
5739 return -1;
5740 }
5741
a862e4a3
JM		 5742 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5743 return -1;
a0bdd191 5744
e3429c0b
JB		 5745 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5746 (params->pairwise_suite == WPA_CIPHER_NONE ||
5747 params->pairwise_suite == WPA_CIPHER_WEP104 ||
5748 params->pairwise_suite == WPA_CIPHER_WEP40) &&
5749 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
5750 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
5751 return -1;
5752
58162adf
AK		 5753 if (params->rrm_used) {
5754 u32 drv_rrm_flags = drv->capa.rrm_flags;
b5d172e5
BL		 5755 if ((!((drv_rrm_flags &
5756 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
5757 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
5758 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
a862e4a3
JM		 5759 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
5760 return -1;
58162adf
AK		 5761 }
5762
95ff3069 5763 if (nl80211_ht_vht_overrides(msg, params) < 0)
a862e4a3 5764 return -1;
80e8a5ee 5765
a0bdd191
JM		 5766 if (params->p2p)
5767 wpa_printf(MSG_DEBUG, " * P2P group");
5768
86b5c400
LD		 5769 if (params->pbss) {
5770 wpa_printf(MSG_DEBUG, " * PBSS");
5771 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5772 return -1;
5773 }
5774
1126c078 5775 drv->connect_reassoc = 0;
00c3c4ac
JM		 5776 if (params->prev_bssid) {
5777 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
5778 MAC2STR(params->prev_bssid));
5779 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
5780 params->prev_bssid))
5781 return -1;
1126c078 5782 drv->connect_reassoc = 1;
00c3c4ac
JM		 5783 }
5784
ad295f3b
VK		 5785 if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
5786 nl80211_put_fils_connect_params(drv, params, msg) != 0)
5787 return -1;
5788
1317ea2c
SD		 5789 if ((params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5790 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) &&
ba71cb82
SD		 5791 (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) &&
5792 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
5793 return -1;
5794
a0bdd191 5795 return 0;
a0bdd191
JM		 5796}
5797
5798
5799static int wpa_driver_nl80211_try_connect(
5800 struct wpa_driver_nl80211_data *drv,
40a68f33 5801 struct wpa_driver_associate_params *params,
25ebd538 5802 struct nl_sock *nl_connect)
a0bdd191
JM		 5803{
5804 struct nl_msg *msg;
5805 enum nl80211_auth_type type;
5806 int ret;
5807 int algs;
5808
b658547d 5809#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 5810 if (params->req_key_mgmt_offload && params->psk &&
5811 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5812 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5813 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5814 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5815 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5816 if (ret)
5817 return ret;
5818 }
b658547d 5819#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 5820
9725b784
JM		 5821 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5822 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM		 5823 if (!msg)
5824 return -1;
5825
a0bdd191
JM		 5826 ret = nl80211_connect_common(drv, params, msg);
5827 if (ret)
a862e4a3 5828 goto fail;
a0bdd191 5829
299d21e8
EG		 5830 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5831 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5832 goto fail;
5833
5834 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL &&
5835 (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) &&
5836 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL))
5837 goto fail;
5838
a0bdd191
JM		 5839 algs = 0;
5840 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5841 algs++;
5842 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5843 algs++;
5844 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5845 algs++;
64a0a75b
JM		 5846 if (params->auth_alg & WPA_AUTH_ALG_FILS)
5847 algs++;
86c998d3
AM		 5848 if (params->auth_alg & WPA_AUTH_ALG_FT)
5849 algs++;
a0bdd191
JM		 5850 if (algs > 1) {
5851 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5852 "selection");
5853 goto skip_auth_type;
5854 }
5855
3c67e977 5856 type = get_nl_auth_type(params->auth_alg);
a0bdd191 5857 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 5858 if (type == NL80211_AUTHTYPE_MAX ||
5859 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 5860 goto fail;
a0bdd191
JM		 5861
5862skip_auth_type:
cfaab580
ZY		 5863 ret = nl80211_set_conn_keys(params, msg);
5864 if (ret)
a862e4a3 5865 goto fail;
cfaab580 5866
40a68f33 5867 if (nl_connect)
0fa33e05
JM		 5868 ret = send_and_recv(drv->global, nl_connect, msg,
5869 NULL, (void *) -1);
40a68f33 5870 else
0fa33e05 5871 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
40a68f33 5872
cfaab580
ZY		 5873 msg = NULL;
5874 if (ret) {
5875 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5876 "(%s)", ret, strerror(-ret));
a862e4a3
JM		 5877 } else {
5878 wpa_printf(MSG_DEBUG,
5879 "nl80211: Connect request send successfully");
cfaab580 5880 }
cfaab580 5881
a862e4a3 5882fail:
0fa33e05 5883 nl80211_nlmsg_clear(msg);
cfaab580
ZY		 5884 nlmsg_free(msg);
5885 return ret;
5886
5887}
5888
5889
a8c5b43a
CW		 5890static int wpa_driver_nl80211_connect(
5891 struct wpa_driver_nl80211_data *drv,
40a68f33 5892 struct wpa_driver_associate_params *params,
25ebd538 5893 struct nl_sock *nl_connect)
a8c5b43a 5894{
0d4e3d1d
JJ		 5895 int ret;
5896
5897 /* Store the connection attempted bssid for future use */
5898 if (params->bssid)
5899 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5900 else
5901 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5902
40a68f33 5903 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW		 5904 if (ret == -EALREADY) {
5905 /*
5906 * cfg80211 does not currently accept new connections if
5907 * we are already connected. As a workaround, force
5908 * disconnection and try again.
5909 */
5910 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5911 "disconnecting before reassociation "
5912 "attempt");
5913 if (wpa_driver_nl80211_disconnect(
10d32e2c 5914 drv, WLAN_REASON_PREV_AUTH_NOT_VALID, nl_connect))
a8c5b43a 5915 return -1;
40a68f33 5916 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW		 5917 }
5918 return ret;
5919}
5920
5921
c2a04078
JM		 5922static int wpa_driver_nl80211_associate(
5923 void *priv, struct wpa_driver_associate_params *params)
5924{
a2e40bb6
FF		 5925 struct i802_bss *bss = priv;
5926 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 5927 int ret = -1;
c2a04078
JM		 5928 struct nl_msg *msg;
5929
4bd71954
JM		 5930 nl80211_unmask_11b_rates(bss);
5931
5cc4d64b 5932 if (params->mode == IEEE80211_MODE_AP)
1581b38b 5933 return wpa_driver_nl80211_ap(drv, params);
1581b38b 5934
5cc4d64b
JM		 5935 if (params->mode == IEEE80211_MODE_IBSS)
5936 return wpa_driver_nl80211_ibss(drv, params);
5937
4a867032 5938 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 5939 enum nl80211_iftype nlmode = params->p2p ?
5940 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
25ebd538 5941 struct nl_sock *nl_connect = NULL;
b1f625e0
EP		 5942
5943 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 5944 return -1;
1317ea2c
SD		 5945 if (params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5946 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) {
40a68f33 5947 nl_connect = bss->nl_connect;
10d32e2c
CI		 5948 bss->use_nl_connect = 1;
5949 } else {
5950 bss->use_nl_connect = 0;
5951 }
5952
40a68f33 5953 return wpa_driver_nl80211_connect(drv, params, nl_connect);
4a867032 5954 }
cfaab580 5955
add9b7a4 5956 nl80211_mark_disconnected(drv);
c2a04078 5957
c2a04078
JM		 5958 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
5959 drv->ifindex);
9725b784
JM		 5960 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
5961 if (!msg)
5962 return -1;
c2a04078 5963
a0bdd191
JM		 5964 ret = nl80211_connect_common(drv, params, msg);
5965 if (ret)
a862e4a3 5966 goto fail;
01652550 5967
299d21e8
EG		 5968 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5969 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5970 goto fail;
5971
40a45727
JM		 5972 if (params->fils_kek) {
5973 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
5974 (unsigned int) params->fils_kek_len);
5975 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
5976 params->fils_kek))
5977 goto fail;
5978 }
5979 if (params->fils_nonces) {
5980 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
5981 params->fils_nonces,
5982 params->fils_nonces_len);
5983 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
5984 params->fils_nonces_len, params->fils_nonces))
5985 goto fail;
5986 }
5987
c2a04078
JM		 5988 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5989 msg = NULL;
5990 if (ret) {
3b7ea880
BG		 5991 wpa_dbg(drv->ctx, MSG_DEBUG,
5992 "nl80211: MLME command failed (assoc): ret=%d (%s)",
5993 ret, strerror(-ret));
8856462d 5994 nl80211_dump_scan(drv);
a862e4a3
JM		 5995 } else {
5996 wpa_printf(MSG_DEBUG,
5997 "nl80211: Association request send successfully");
c2a04078 5998 }
c2a04078 5999
a862e4a3 6000fail:
c2a04078
JM		 6001 nlmsg_free(msg);
6002 return ret;
6003}
3f5285e8
JM		 6004
6005
ad1e68e6 6006static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 6007 int ifindex, enum nl80211_iftype mode)
3f5285e8 6008{
3f5285e8 6009 struct nl_msg *msg;
ad1e68e6
JM		 6010 int ret = -ENOBUFS;
6011
a1922f93
JM		 6012 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
6013 ifindex, mode, nl80211_iftype_str(mode));
6014
56f77852
JM		 6015 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
6016 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 6017 goto fail;
ad1e68e6
JM		 6018
6019 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6020 msg = NULL;
ad1e68e6
JM		 6021 if (!ret)
6022 return 0;
a862e4a3 6023fail:
5883168a 6024 nlmsg_free(msg);
ad1e68e6
JM		 6025 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
6026 " %d (%s)", ifindex, mode, ret, strerror(-ret));
6027 return ret;
6028}
6029
6030
3c5d34e3
CW		 6031static int wpa_driver_nl80211_set_mode_impl(
6032 struct i802_bss *bss,
6033 enum nl80211_iftype nlmode,
6034 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 6035{
a2e40bb6 6036 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 6037 int ret = -1;
26af9dca 6038 int i;
86957e62 6039 int was_ap = is_ap_interface(drv->nlmode);
671a5039 6040 int res;
ebffdbc4 6041 int mode_switch_res;
1581b38b 6042
a5a187b0
JM		 6043 if (TEST_FAIL())
6044 return -1;
6045
ebffdbc4
CW		 6046 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6047 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
6048 mode_switch_res = 0;
8e12685c 6049
ebffdbc4 6050 if (mode_switch_res == 0) {
ad1e68e6 6051 drv->nlmode = nlmode;
460456f8
JM		 6052 ret = 0;
6053 goto done;
ad1e68e6 6054 }
3f5285e8 6055
ebffdbc4 6056 if (mode_switch_res == -ENODEV)
671a5039
JM		 6057 return -1;
6058
460456f8 6059 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 6060 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
6061 "requested mode - ignore error");
460456f8
JM		 6062 ret = 0;
6063 goto done; /* Already in the requested mode */
6064 }
3f5285e8 6065
3f5285e8
JM		 6066 /* mac80211 doesn't allow mode changes while the device is up, so
6067 * take the device down, try to set the mode again, and bring the
6068 * device back up.
6069 */
26af9dca
JM		 6070 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
6071 "interface down");
6072 for (i = 0; i < 10; i++) {
91724d6f 6073 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 6074 if (res == -EACCES || res == -ENODEV)
6075 break;
ebffdbc4 6076 if (res != 0) {
26af9dca
JM		 6077 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
6078 "interface down");
ebffdbc4
CW		 6079 os_sleep(0, 100000);
6080 continue;
6081 }
3c5d34e3
CW		 6082
6083 /*
6084 * Setting the mode will fail for some drivers if the phy is
6085 * on a frequency that the mode is disallowed in.
6086 */
6087 if (desired_freq_params) {
bdf5ccb2 6088 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW		 6089 if (res) {
6090 wpa_printf(MSG_DEBUG,
6091 "nl80211: Failed to set frequency on interface");
6092 }
6093 }
6094
ebffdbc4
CW		 6095 /* Try to set the mode again while the interface is down */
6096 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6097 if (mode_switch_res == -EBUSY) {
6098 wpa_printf(MSG_DEBUG,
6099 "nl80211: Delaying mode set while interface going down");
6100 os_sleep(0, 100000);
6101 continue;
6102 }
6103 ret = mode_switch_res;
6104 break;
3f5285e8
JM		 6105 }
6106
c6e8e8e4
JM		 6107 if (!ret) {
6108 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
6109 "interface is down");
ad1e68e6 6110 drv->nlmode = nlmode;
7d9c3698 6111 drv->ignore_if_down_event = 1;
c6e8e8e4 6112 }
ad1e68e6 6113
ebffdbc4
CW		 6114 /* Bring the interface back up */
6115 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
6116 if (res != 0) {
6117 wpa_printf(MSG_DEBUG,
6118 "nl80211: Failed to set interface up after switching mode");
6119 ret = -1;
6120 }
6121
460456f8 6122done:
3fd1cefb
JB		 6123 if (ret) {
6124 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
6125 "from %d failed", nlmode, drv->nlmode);
6126 return ret;
6127 }
6128
3e208481
JM		 6129 if (is_p2p_net_interface(nlmode)) {
6130 wpa_printf(MSG_DEBUG,
6131 "nl80211: Interface %s mode change to P2P - disable 11b rates",
6132 bss->ifname);
edb9bfba 6133 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM		 6134 } else if (drv->disabled_11b_rates) {
6135 wpa_printf(MSG_DEBUG,
6136 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
6137 bss->ifname);
1d0c6fb1 6138 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 6139 }
edb9bfba 6140
3fd1cefb 6141 if (is_ap_interface(nlmode)) {
36488c05 6142 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 6143 /* Setup additional AP mode functionality if needed */
3fd1cefb 6144 if (nl80211_setup_ap(bss))
460456f8 6145 return -1;
3fd1cefb 6146 } else if (was_ap) {
460456f8 6147 /* Remove additional AP mode functionality */
3fd1cefb 6148 nl80211_teardown_ap(bss);
a11241fa 6149 } else {
36488c05 6150 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 6151 }
460456f8 6152
afb0550a
BC		 6153 if (is_mesh_interface(nlmode) &&
6154 nl80211_mgmt_subscribe_mesh(bss))
6155 return -1;
6156
873d0fcf 6157 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 6158 !is_mesh_interface(nlmode) &&
a11241fa
JB		 6159 nl80211_mgmt_subscribe_non_ap(bss) < 0)
6160 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
6161 "frame processing - ignore for now");
08359050 6162
3fd1cefb 6163 return 0;
3f5285e8
JM		 6164}
6165
6166
f3407c66
JM		 6167int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
6168 enum nl80211_iftype nlmode)
3c5d34e3
CW		 6169{
6170 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
6171}
6172
6173
4ec68377
JD		 6174static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
6175 struct hostapd_freq_params *freq)
3c5d34e3 6176{
3c5d34e3 6177 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 6178 freq);
3c5d34e3 6179}
65d645ce
AS		 6180
6181
3f5285e8
JM		 6182static int wpa_driver_nl80211_get_capa(void *priv,
6183 struct wpa_driver_capa *capa)
6184{
a2e40bb6
FF		 6185 struct i802_bss *bss = priv;
6186 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 6187
3f5285e8
JM		 6188 if (!drv->has_capability)
6189 return -1;
6190 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 6191 if (drv->extended_capa && drv->extended_capa_mask) {
6192 capa->extended_capa = drv->extended_capa;
6193 capa->extended_capa_mask = drv->extended_capa_mask;
6194 capa->extended_capa_len = drv->extended_capa_len;
6195 }
851b0c55 6196
906bc4c7 6197 return 0;
3f5285e8
JM		 6198}
6199
6200
6201static int wpa_driver_nl80211_set_operstate(void *priv, int state)
6202{
a2e40bb6
FF		 6203 struct i802_bss *bss = priv;
6204 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 6205
90a545cc
JM		 6206 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
6207 bss->ifname, drv->operstate, state,
6208 state ? "UP" : "DORMANT");
3f5285e8 6209 drv->operstate = state;
36d84860 6210 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 6211 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 6212}
6213
01652550
JM		 6214
6215static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
6216{
a2e40bb6
FF		 6217 struct i802_bss *bss = priv;
6218 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 6219 struct nl_msg *msg;
6220 struct nl80211_sta_flag_update upd;
a862e4a3 6221 int ret;
2eef5177
JM		 6222
6223 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
6224 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
6225 return 0;
6226 }
01652550 6227
1ba51ec0
JM		 6228 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
6229 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
6230
01652550
JM		 6231 os_memset(&upd, 0, sizeof(upd));
6232 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
6233 if (authorized)
6234 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 6235
13f83980 6236 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 6237 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
6238 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
6239 nlmsg_free(msg);
6240 return -ENOBUFS;
6241 }
01652550 6242
2eef5177 6243 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM		 6244 if (!ret)
6245 return 0;
2eef5177
JM		 6246 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
6247 ret, strerror(-ret));
6248 return ret;
01652550
JM		 6249}
6250
3f5285e8 6251
f07ead6a
JM		 6252/* Set kernel driver on given frequency (MHz) */
6253static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 6254{
f07ead6a 6255 struct i802_bss *bss = priv;
13a524a3 6256 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 6257}
6258
f7b3920c 6259
c5121837
JM		 6260static inline int min_int(int a, int b)
6261{
6262 if (a < b)
6263 return a;
6264 return b;
6265}
6266
6267
6268static int get_key_handler(struct nl_msg *msg, void *arg)
6269{
6270 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6271 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6272
6273 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6274 genlmsg_attrlen(gnlh, 0), NULL);
6275
6276 /*
6277 * TODO: validate the key index and mac address!
6278 * Otherwise, there's a race condition as soon as
6279 * the kernel starts sending key notifications.
6280 */
6281
6282 if (tb[NL80211_ATTR_KEY_SEQ])
6283 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
6284 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
4efade31 6285 nl80211_nlmsg_clear(msg);
c5121837
JM		 6286 return NL_SKIP;
6287}
6288
6289
6290static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
6291 int idx, u8 *seq)
6292{
a2e40bb6
FF		 6293 struct i802_bss *bss = priv;
6294 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6295 struct nl_msg *msg;
6296
95376e1a
JM		 6297 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
6298 NL80211_CMD_GET_KEY);
6299 if (!msg ||
a862e4a3 6300 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 6301 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM		 6302 nlmsg_free(msg);
6303 return -ENOBUFS;
6304 }
c5121837
JM		 6305
6306 memset(seq, 0, 6);
6307
6308 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM		 6309}
6310
6311
c5121837
JM		 6312static int i802_set_rts(void *priv, int rts)
6313{
a2e40bb6
FF		 6314 struct i802_bss *bss = priv;
6315 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6316 struct nl_msg *msg;
a862e4a3 6317 int ret;
ad649451 6318 u32 val;
c5121837 6319
bf0021ed 6320 if (rts >= 2347 || rts == -1)
ad649451
JM		 6321 val = (u32) -1;
6322 else
6323 val = rts;
c5121837 6324
9725b784 6325 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 6326 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
6327 nlmsg_free(msg);
6328 return -ENOBUFS;
6329 }
ad649451
JM		 6330
6331 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6332 if (!ret)
6333 return 0;
ad649451
JM		 6334 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
6335 "%d (%s)", rts, ret, strerror(-ret));
6336 return ret;
c5121837
JM		 6337}
6338
6339
6340static int i802_set_frag(void *priv, int frag)
6341{
a2e40bb6
FF		 6342 struct i802_bss *bss = priv;
6343 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6344 struct nl_msg *msg;
a862e4a3 6345 int ret;
ad649451 6346 u32 val;
c5121837 6347
bf0021ed 6348 if (frag >= 2346 || frag == -1)
ad649451
JM		 6349 val = (u32) -1;
6350 else
6351 val = frag;
c5121837 6352
9725b784 6353 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 6354 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
6355 nlmsg_free(msg);
6356 return -ENOBUFS;
6357 }
ad649451
JM		 6358
6359 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6360 if (!ret)
6361 return 0;
ad649451
JM		 6362 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
6363 "%d: %d (%s)", frag, ret, strerror(-ret));
6364 return ret;
c5121837
JM		 6365}
6366
6367
c5121837
JM		 6368static int i802_flush(void *priv)
6369{
a2e40bb6 6370 struct i802_bss *bss = priv;
c5121837 6371 struct nl_msg *msg;
82554b10 6372 int res;
c5121837 6373
83e7bb0e
JM		 6374 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
6375 bss->ifname);
c5121837
JM		 6376
6377 /*
6378 * XXX: FIX! this needs to flush all VLANs too
6379 */
13f83980
JM		 6380 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
6381 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM		 6382 if (res) {
6383 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
6384 "(%s)", res, strerror(-res));
6385 }
6386 return res;
c5121837
JM		 6387}
6388
6389
1d6f6385
THJ		 6390static void get_sta_tid_stats(struct hostap_sta_driver_data *data,
6391 struct nlattr *attr)
6392{
6393 struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr;
6394 struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1];
6395 static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = {
6396 [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 },
6397 [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 },
6398 };
6399 int rem;
6400
6401 nla_for_each_nested(tidattr, attr, rem) {
6402 if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX,
6403 tidattr, NULL) != 0 ||
6404 !tid_stats[NL80211_TID_STATS_TXQ_STATS] ||
6405 nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX,
6406 tid_stats[NL80211_TID_STATS_TXQ_STATS],
6407 txq_stats_policy) != 0)
6408 continue;
6409 /* sum the backlogs over all TIDs for station */
6410 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES])
6411 data->backlog_bytes += nla_get_u32(
6412 txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]);
6413 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS])
6414 data->backlog_bytes += nla_get_u32(
6415 txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]);
6416 }
6417}
6418
6419
c5121837
JM		 6420static int get_sta_handler(struct nl_msg *msg, void *arg)
6421{
6422 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6423 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6424 struct hostap_sta_driver_data *data = arg;
6425 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
6426 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
6427 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
6428 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
6429 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
6430 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
6431 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 6432 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
43022abd
NL		 6433 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
6434 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
3567641e 6435 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
72123a84 6436 [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 },
58d4c236
THJ		 6437 [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
6438 [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 },
3567641e 6439 };
6440 struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
6441 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
6442 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
6443 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
6444 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
6445 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
6446 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
6447 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
c5121837
JM		 6448 };
6449
6450 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6451 genlmsg_attrlen(gnlh, 0), NULL);
6452
6453 /*
6454 * TODO: validate the interface and mac address!
6455 * Otherwise, there's a race condition as soon as
6456 * the kernel starts sending station notifications.
6457 */
6458
6459 if (!tb[NL80211_ATTR_STA_INFO]) {
6460 wpa_printf(MSG_DEBUG, "sta stats missing!");
6461 return NL_SKIP;
6462 }
6463 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
6464 tb[NL80211_ATTR_STA_INFO],
6465 stats_policy)) {
6466 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
6467 return NL_SKIP;
6468 }
6469
6470 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
6471 data->inactive_msec =
6472 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
43022abd 6473 /* For backwards compatibility, fetch the 32-bit counters first. */
c5121837
JM		 6474 if (stats[NL80211_STA_INFO_RX_BYTES])
6475 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
6476 if (stats[NL80211_STA_INFO_TX_BYTES])
6477 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
43022abd
NL		 6478 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
6479 stats[NL80211_STA_INFO_TX_BYTES64]) {
6480 /*
6481 * The driver supports 64-bit counters, so use them to override
6482 * the 32-bit values.
6483 */
6484 data->rx_bytes =
6485 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
6486 data->tx_bytes =
6487 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
6488 data->bytes_64bit = 1;
6489 }
c5121837
JM		 6490 if (stats[NL80211_STA_INFO_RX_PACKETS])
6491 data->rx_packets =
6492 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
6493 if (stats[NL80211_STA_INFO_TX_PACKETS])
6494 data->tx_packets =
6495 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
58d4c236
THJ		 6496 if (stats[NL80211_STA_INFO_RX_DURATION])
6497 data->rx_airtime =
6498 nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]);
6499 if (stats[NL80211_STA_INFO_TX_DURATION])
6500 data->tx_airtime =
6501 nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]);
dc7785f8
YZ		 6502 if (stats[NL80211_STA_INFO_TX_FAILED])
6503 data->tx_retry_failed =
6504 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
3567641e 6505 if (stats[NL80211_STA_INFO_SIGNAL])
6506 data->signal = nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
72123a84
BP		 6507 if (stats[NL80211_STA_INFO_ACK_SIGNAL]) {
6508 data->last_ack_rssi =
6509 nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]);
6510 data->flags |= STA_DRV_DATA_LAST_ACK_RSSI;
6511 }
3567641e 6512
6513 if (stats[NL80211_STA_INFO_TX_BITRATE] &&
6514 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6515 stats[NL80211_STA_INFO_TX_BITRATE],
6516 rate_policy) == 0) {
6517 if (rate[NL80211_RATE_INFO_BITRATE32])
6518 data->current_tx_rate =
6519 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6520 else if (rate[NL80211_RATE_INFO_BITRATE])
6521 data->current_tx_rate =
6522 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6523
6524 if (rate[NL80211_RATE_INFO_MCS]) {
6525 data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6526 data->flags |= STA_DRV_DATA_TX_MCS;
6527 }
6528 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6529 data->tx_vhtmcs =
6530 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6531 data->flags |= STA_DRV_DATA_TX_VHT_MCS;
6532 }
6533 if (rate[NL80211_RATE_INFO_SHORT_GI])
6534 data->flags |= STA_DRV_DATA_TX_SHORT_GI;
6535 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6536 data->tx_vht_nss =
6537 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6538 data->flags |= STA_DRV_DATA_TX_VHT_NSS;
6539 }
6540 }
6541
6542 if (stats[NL80211_STA_INFO_RX_BITRATE] &&
6543 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6544 stats[NL80211_STA_INFO_RX_BITRATE],
6545 rate_policy) == 0) {
6546 if (rate[NL80211_RATE_INFO_BITRATE32])
6547 data->current_rx_rate =
6548 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6549 else if (rate[NL80211_RATE_INFO_BITRATE])
6550 data->current_rx_rate =
6551 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6552
6553 if (rate[NL80211_RATE_INFO_MCS]) {
6554 data->rx_mcs =
6555 nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6556 data->flags |= STA_DRV_DATA_RX_MCS;
6557 }
6558 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6559 data->rx_vhtmcs =
6560 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6561 data->flags |= STA_DRV_DATA_RX_VHT_MCS;
6562 }
6563 if (rate[NL80211_RATE_INFO_SHORT_GI])
6564 data->flags |= STA_DRV_DATA_RX_SHORT_GI;
6565 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6566 data->rx_vht_nss =
6567 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6568 data->flags |= STA_DRV_DATA_RX_VHT_NSS;
6569 }
6570 }
c5121837 6571
1d6f6385
THJ		 6572 if (stats[NL80211_STA_INFO_TID_STATS])
6573 get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]);
6574
c5121837
JM		 6575 return NL_SKIP;
6576}
6577
9ebce9c5
JM		 6578static int i802_read_sta_data(struct i802_bss *bss,
6579 struct hostap_sta_driver_data *data,
c5121837
JM		 6580 const u8 *addr)
6581{
c5121837
JM		 6582 struct nl_msg *msg;
6583
13f83980
JM		 6584 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
6585 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM		 6586 nlmsg_free(msg);
6587 return -ENOBUFS;
6588 }
c5121837 6589
13f83980 6590 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM		 6591}
6592
6593
c5121837
JM		 6594static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
6595 int cw_min, int cw_max, int burst_time)
6596{
a2e40bb6
FF		 6597 struct i802_bss *bss = priv;
6598 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6599 struct nl_msg *msg;
6600 struct nlattr *txq, *params;
bd512469 6601 int res;
c5121837 6602
13f83980 6603 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM		 6604 if (!msg)
6605 return -1;
6606
c5121837
JM		 6607 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
6608 if (!txq)
a862e4a3 6609 goto fail;
c5121837
JM		 6610
6611 /* We are only sending parameters for a single TXQ at a time */
6612 params = nla_nest_start(msg, 1);
6613 if (!params)
a862e4a3 6614 goto fail;
c5121837 6615
7e3c1781
JM		 6616 switch (queue) {
6617 case 0:
a862e4a3
JM		 6618 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
6619 goto fail;
7e3c1781
JM		 6620 break;
6621 case 1:
a862e4a3
JM		 6622 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
6623 goto fail;
7e3c1781
JM		 6624 break;
6625 case 2:
a862e4a3
JM		 6626 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
6627 goto fail;
7e3c1781
JM		 6628 break;
6629 case 3:
a862e4a3
JM		 6630 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
6631 goto fail;
7e3c1781
JM		 6632 break;
6633 }
c5121837
JM		 6634 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
6635 * 32 usec, so need to convert the value here. */
a862e4a3
JM		 6636 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
6637 (burst_time * 100 + 16) / 32) ||
6638 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
6639 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
6640 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
6641 goto fail;
c5121837
JM		 6642
6643 nla_nest_end(msg, params);
6644
6645 nla_nest_end(msg, txq);
6646
bd512469
JM		 6647 res = send_and_recv_msgs(drv, msg, NULL, NULL);
6648 wpa_printf(MSG_DEBUG,
6649 "nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
6650 queue, aifs, cw_min, cw_max, burst_time, res);
6651 if (res == 0)
c5121837 6652 return 0;
9e088e74 6653 msg = NULL;
a862e4a3 6654fail:
9e088e74 6655 nlmsg_free(msg);
c5121837
JM		 6656 return -1;
6657}
6658
6659
9ebce9c5 6660static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 6661 const char *ifname, int vlan_id)
6662{
a2e40bb6 6663 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6664 struct nl_msg *msg;
a862e4a3 6665 int ret;
c5121837 6666
bbc706a3
JM		 6667 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
6668 ", ifname=%s[%d], vlan_id=%d)",
6669 bss->ifname, if_nametoindex(bss->ifname),
6670 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 6671 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 6672 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6673 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
6674 nlmsg_free(msg);
6675 return -ENOBUFS;
6676 }
c5121837 6677
cd1d72c1
JM		 6678 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6679 if (ret < 0) {
6680 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
6681 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
6682 MAC2STR(addr), ifname, vlan_id, ret,
6683 strerror(-ret));
6684 }
cd1d72c1 6685 return ret;
c5121837
JM		 6686}
6687
fbbfcbac 6688
c5121837
JM		 6689static int i802_get_inact_sec(void *priv, const u8 *addr)
6690{
6691 struct hostap_sta_driver_data data;
6692 int ret;
6693
7824bf77 6694 os_memset(&data, 0, sizeof(data));
c5121837
JM		 6695 data.inactive_msec = (unsigned long) -1;
6696 ret = i802_read_sta_data(priv, &data, addr);
b9749bac
MH		 6697 if (ret == -ENOENT)
6698 return -ENOENT;
c5121837
JM		 6699 if (ret || data.inactive_msec == (unsigned long) -1)
6700 return -1;
6701 return data.inactive_msec / 1000;
6702}
6703
6704
6705static int i802_sta_clear_stats(void *priv, const u8 *addr)
6706{
6707#if 0
6708 /* TODO */
6709#endif
6710 return 0;
6711}
6712
6713
731723a5 6714static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6715 u16 reason)
c5121837 6716{
a2e40bb6 6717 struct i802_bss *bss = priv;
e1bd4e19 6718 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6719 struct ieee80211_mgmt mgmt;
05e5e615
DL		 6720 u8 channel;
6721
6722 if (ieee80211_freq_to_chan(bss->freq, &channel) ==
6723 HOSTAPD_MODE_IEEE80211AD) {
6724 /* Deauthentication is not used in DMG/IEEE 802.11ad;
6725 * disassociate the STA instead. */
6726 return i802_sta_disassoc(priv, own_addr, addr, reason);
6727 }
c5121837 6728
0d391b03
BC		 6729 if (is_mesh_interface(drv->nlmode))
6730 return -1;
6731
e1bd4e19 6732 if (drv->device_ap_sme)
59d7148a 6733 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 6734
c5121837
JM		 6735 memset(&mgmt, 0, sizeof(mgmt));
6736 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6737 WLAN_FC_STYPE_DEAUTH);
6738 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6739 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6740 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6741 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 6742 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6743 IEEE80211_HDRLEN +
9ebce9c5 6744 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
27cc06d0 6745 0, NULL, 0, 0);
c5121837
JM		 6746}
6747
6748
731723a5 6749static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6750 u16 reason)
c5121837 6751{
a2e40bb6 6752 struct i802_bss *bss = priv;
e1bd4e19 6753 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6754 struct ieee80211_mgmt mgmt;
6755
0d391b03
BC		 6756 if (is_mesh_interface(drv->nlmode))
6757 return -1;
6758
e1bd4e19 6759 if (drv->device_ap_sme)
59d7148a 6760 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 6761
c5121837
JM		 6762 memset(&mgmt, 0, sizeof(mgmt));
6763 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6764 WLAN_FC_STYPE_DISASSOC);
6765 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6766 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6767 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6768 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 6769 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6770 IEEE80211_HDRLEN +
9ebce9c5 6771 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
27cc06d0 6772 0, NULL, 0, 0);
c5121837
JM		 6773}
6774
6775
9b4d9c8b
JM		 6776static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
6777{
6778 char buf[200], *pos, *end;
6779 int i, res;
6780
6781 pos = buf;
6782 end = pos + sizeof(buf);
6783
6784 for (i = 0; i < drv->num_if_indices; i++) {
099224c1 6785 if (!drv->if_indices[i].ifindex)
9b4d9c8b 6786 continue;
732b1d20 6787 res = os_snprintf(pos, end - pos, " %d(%d)",
099224c1
JM		 6788 drv->if_indices[i].ifindex,
6789 drv->if_indices[i].reason);
d85e1fc8 6790 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM		 6791 break;
6792 pos += res;
6793 }
6794 *pos = '\0';
6795
6796 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
6797 drv->num_if_indices, buf);
6798}
6799
6800
732b1d20
MB		 6801static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6802 int ifidx_reason)
f07ead6a
JM		 6803{
6804 int i;
099224c1 6805 struct drv_nl80211_if_info *old;
f07ead6a 6806
732b1d20
MB		 6807 wpa_printf(MSG_DEBUG,
6808 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
6809 ifidx, ifidx_reason);
6810 if (have_ifidx(drv, ifidx, ifidx_reason)) {
b36935be
MB		 6811 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
6812 ifidx);
6813 return;
6814 }
f07ead6a 6815 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM		 6816 if (drv->if_indices[i].ifindex == 0) {
6817 drv->if_indices[i].ifindex = ifidx;
6818 drv->if_indices[i].reason = ifidx_reason;
9b4d9c8b 6819 dump_ifidx(drv);
f07ead6a
JM		 6820 return;
6821 }
6822 }
6823
6824 if (drv->if_indices != drv->default_if_indices)
6825 old = drv->if_indices;
6826 else
6827 old = NULL;
6828
067ffa26 6829 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
099224c1 6830 sizeof(*old));
f07ead6a
JM		 6831 if (!drv->if_indices) {
6832 if (!old)
6833 drv->if_indices = drv->default_if_indices;
6834 else
6835 drv->if_indices = old;
6836 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
6837 "interfaces");
6838 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
6839 return;
732b1d20
MB		 6840 }
6841 if (!old)
f07ead6a
JM		 6842 os_memcpy(drv->if_indices, drv->default_if_indices,
6843 sizeof(drv->default_if_indices));
099224c1
JM		 6844 drv->if_indices[drv->num_if_indices].ifindex = ifidx;
6845 drv->if_indices[drv->num_if_indices].reason = ifidx_reason;
f07ead6a 6846 drv->num_if_indices++;
9b4d9c8b 6847 dump_ifidx(drv);
f07ead6a
JM		 6848}
6849
6850
732b1d20
MB		 6851static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6852 int ifidx_reason)
f07ead6a
JM		 6853{
6854 int i;
6855
6856 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM		 6857 if ((drv->if_indices[i].ifindex == ifidx ||
6858 ifidx == IFIDX_ANY) &&
6859 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6860 ifidx_reason == IFIDX_ANY)) {
099224c1
JM		 6861 drv->if_indices[i].ifindex = 0;
6862 drv->if_indices[i].reason = 0;
f07ead6a
JM		 6863 break;
6864 }
6865 }
9b4d9c8b 6866 dump_ifidx(drv);
f07ead6a
JM		 6867}
6868
6869
732b1d20
MB		 6870static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6871 int ifidx_reason)
f07ead6a
JM		 6872{
6873 int i;
6874
6875 for (i = 0; i < drv->num_if_indices; i++)
099224c1
JM		 6876 if (drv->if_indices[i].ifindex == ifidx &&
6877 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6878 ifidx_reason == IFIDX_ANY))
f07ead6a
JM		 6879 return 1;
6880
6881 return 0;
6882}
6883
6884
6885static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 6886 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 6887{
6888 struct i802_bss *bss = priv;
6889 struct wpa_driver_nl80211_data *drv = bss->drv;
6890 char name[IFNAMSIZ + 1];
1952b626 6891 union wpa_event_data event;
d577f7f3
AO		 6892 int ret;
6893
6894 ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
6895 if (ret >= (int) sizeof(name))
6896 wpa_printf(MSG_WARNING,
6897 "nl80211: WDS interface name was truncated");
6898 else if (ret < 0)
6899 return ret;
f07ead6a 6900
69dd2967
SM		 6901 if (ifname_wds)
6902 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
6903
f07ead6a
JM		 6904 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
6905 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
6906 if (val) {
6907 if (!if_nametoindex(name)) {
6908 if (nl80211_create_iface(drv, name,
6909 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 6910 bss->addr, 1, NULL, NULL, 0) <
6911 0)
f07ead6a
JM		 6912 return -1;
6913 if (bridge_ifname &&
c81eff1a
BG		 6914 linux_br_add_if(drv->global->ioctl_sock,
6915 bridge_ifname, name) < 0)
f07ead6a 6916 return -1;
1952b626
BP		 6917
6918 os_memset(&event, 0, sizeof(event));
6919 event.wds_sta_interface.sta_addr = addr;
6920 event.wds_sta_interface.ifname = name;
6921 event.wds_sta_interface.istatus = INTERFACE_ADDED;
8bfbb295 6922 wpa_supplicant_event(bss->ctx,
1952b626
BP		 6923 EVENT_WDS_STA_INTERFACE_STATUS,
6924 &event);
f07ead6a 6925 }
75227f3a
JM		 6926 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
6927 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
6928 "interface %s up", name);
6929 }
f07ead6a
JM		 6930 return i802_set_sta_vlan(priv, addr, name, 0);
6931 } else {
f9052d6e
JM		 6932 if (bridge_ifname &&
6933 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
6934 name) < 0)
6935 wpa_printf(MSG_INFO,
6936 "nl80211: Failed to remove interface %s from bridge %s: %s",
6937 name, bridge_ifname, strerror(errno));
c34e618d 6938
f07ead6a 6939 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25 6940 nl80211_remove_iface(drv, if_nametoindex(name));
1952b626
BP		 6941 os_memset(&event, 0, sizeof(event));
6942 event.wds_sta_interface.sta_addr = addr;
6943 event.wds_sta_interface.ifname = name;
6944 event.wds_sta_interface.istatus = INTERFACE_REMOVED;
8bfbb295 6945 wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS,
1952b626 6946 &event);
d0595b25 6947 return 0;
f07ead6a
JM		 6948 }
6949}
6950
6951
6952static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
6953{
6954 struct wpa_driver_nl80211_data *drv = eloop_ctx;
6955 struct sockaddr_ll lladdr;
6956 unsigned char buf[3000];
6957 int len;
6958 socklen_t fromlen = sizeof(lladdr);
6959
6960 len = recvfrom(sock, buf, sizeof(buf), 0,
6961 (struct sockaddr *)&lladdr, &fromlen);
6962 if (len < 0) {
7ac3616d
JM		 6963 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
6964 strerror(errno));
f07ead6a
JM		 6965 return;
6966 }
6967
732b1d20 6968 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
f07ead6a
JM		 6969 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
6970}
6971
6972
94627f6c 6973static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 6974 struct i802_bss *bss,
94627f6c
JM		 6975 const char *brname, const char *ifname)
6976{
6c6678e7 6977 int br_ifindex;
94627f6c
JM		 6978 char in_br[IFNAMSIZ];
6979
e17a2477 6980 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 6981 br_ifindex = if_nametoindex(brname);
6c6678e7 6982 if (br_ifindex == 0) {
94627f6c
JM		 6983 /*
6984 * Bridge was configured, but the bridge device does
6985 * not exist. Try to add it now.
6986 */
c81eff1a 6987 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 6988 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
6989 "bridge interface %s: %s",
6990 brname, strerror(errno));
6991 return -1;
6992 }
e17a2477 6993 bss->added_bridge = 1;
8997613c 6994 br_ifindex = if_nametoindex(brname);
732b1d20 6995 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 6996 }
8997613c 6997 bss->br_ifindex = br_ifindex;
94627f6c
JM		 6998
6999 if (linux_br_get(in_br, ifname) == 0) {
c809756f
SM		 7000 if (os_strcmp(in_br, brname) == 0) {
7001 bss->already_in_bridge = 1;
94627f6c 7002 return 0; /* already in the bridge */
c809756f 7003 }
94627f6c
JM		 7004
7005 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
7006 "bridge %s", ifname, in_br);
c81eff1a
BG		 7007 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
7008 0) {
94627f6c
JM		 7009 wpa_printf(MSG_ERROR, "nl80211: Failed to "
7010 "remove interface %s from bridge "
7011 "%s: %s",
fdbfb63e 7012 ifname, in_br, strerror(errno));
94627f6c
JM		 7013 return -1;
7014 }
7015 }
7016
7017 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
7018 ifname, brname);
c81eff1a 7019 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
8e111157
MK		 7020 wpa_printf(MSG_WARNING,
7021 "nl80211: Failed to add interface %s into bridge %s: %s",
94627f6c 7022 ifname, brname, strerror(errno));
8e111157
MK		 7023 /* Try to continue without the interface being in a bridge. This
7024 * may be needed for some cases, e.g., with Open vSwitch, where
7025 * an external component will need to handle bridge
7026 * configuration. */
7027 return 0;
94627f6c 7028 }
e17a2477 7029 bss->added_if_into_bridge = 1;
94627f6c
JM		 7030
7031 return 0;
7032}
7033
7034
92f475b4
JM		 7035static void *i802_init(struct hostapd_data *hapd,
7036 struct wpa_init_params *params)
c5121837
JM		 7037{
7038 struct wpa_driver_nl80211_data *drv;
a2e40bb6 7039 struct i802_bss *bss;
c5121837 7040 size_t i;
cb05808c
AN		 7041 char master_ifname[IFNAMSIZ];
7042 int ifindex, br_ifindex = 0;
94627f6c 7043 int br_added = 0;
c5121837 7044
0d547d5f
JM		 7045 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
7046 params->global_priv, 1,
0ecff8d7 7047 params->bssid, params->driver_params);
a2e40bb6 7048 if (bss == NULL)
c5121837 7049 return NULL;
c5121837 7050
a2e40bb6 7051 drv = bss->drv;
7635bfb0 7052
cb05808c 7053 if (linux_br_get(master_ifname, params->ifname) == 0) {
94627f6c 7054 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
cb05808c
AN		 7055 params->ifname, master_ifname);
7056 br_ifindex = if_nametoindex(master_ifname);
7057 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
7058 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
7059 linux_master_get(master_ifname, params->ifname) == 0) {
7060 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
7061 params->ifname, master_ifname);
7062 /* start listening for EAPOL on the master interface */
732b1d20 7063 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
f2d6c17a
DL		 7064
7065 /* check if master itself is under bridge */
7066 if (linux_br_get(master_ifname, master_ifname) == 0) {
7067 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
7068 master_ifname);
7069 br_ifindex = if_nametoindex(master_ifname);
7070 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
7071 }
94627f6c 7072 } else {
cb05808c 7073 master_ifname[0] = '\0';
94627f6c 7074 }
cb05808c 7075
6c6678e7 7076 bss->br_ifindex = br_ifindex;
94627f6c 7077
92f475b4 7078 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 7079 if (params->bridge[i]) {
7080 ifindex = if_nametoindex(params->bridge[i]);
7081 if (ifindex)
732b1d20 7082 add_ifidx(drv, ifindex, drv->ifindex);
94627f6c
JM		 7083 if (ifindex == br_ifindex)
7084 br_added = 1;
7085 }
c5121837 7086 }
c5121837 7087
ad1e68e6 7088 /* start listening for EAPOL on the default AP interface */
732b1d20 7089 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
ad1e68e6 7090
5ef8e39f
JM		 7091 if (params->num_bridge && params->bridge[0]) {
7092 if (i802_check_bridge(drv, bss, params->bridge[0],
7093 params->ifname) < 0)
7094 goto failed;
cb05808c 7095 if (os_strcmp(params->bridge[0], master_ifname) != 0)
5ef8e39f
JM		 7096 br_added = 1;
7097 }
7098
7099 if (!br_added && br_ifindex &&
7100 (params->num_bridge == 0 || !params->bridge[0]))
732b1d20 7101 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 7102
97ed9a06 7103#ifdef CONFIG_LIBNL3_ROUTE
c809756f 7104 if (bss->added_if_into_bridge || bss->already_in_bridge) {
3ea58a05
JM		 7105 int err;
7106
97ed9a06
KP		 7107 drv->rtnl_sk = nl_socket_alloc();
7108 if (drv->rtnl_sk == NULL) {
7109 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
7110 goto failed;
7111 }
7112
3ea58a05
JM		 7113 err = nl_connect(drv->rtnl_sk, NETLINK_ROUTE);
7114 if (err) {
97ed9a06 7115 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
3ea58a05 7116 nl_geterror(err));
97ed9a06
KP		 7117 goto failed;
7118 }
7119 }
7120#endif /* CONFIG_LIBNL3_ROUTE */
7121
ad1e68e6
JM		 7122 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
7123 if (drv->eapol_sock < 0) {
7ac3616d
JM		 7124 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
7125 strerror(errno));
bbaf0837 7126 goto failed;
ad1e68e6
JM		 7127 }
7128
7129 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
7130 {
7ac3616d 7131 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 7132 goto failed;
ad1e68e6
JM		 7133 }
7134
c81eff1a
BG		 7135 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
7136 params->own_addr))
bbaf0837 7137 goto failed;
fee354c7 7138 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 7139
341eebee
JB		 7140 memcpy(bss->addr, params->own_addr, ETH_ALEN);
7141
a2e40bb6 7142 return bss;
c5121837
JM		 7143
7144failed:
7635bfb0 7145 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 7146 return NULL;
7147}
c5121837 7148
c5121837 7149
bbaf0837
JM		 7150static void i802_deinit(void *priv)
7151{
9ebce9c5
JM		 7152 struct i802_bss *bss = priv;
7153 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 7154}
7155
c5121837 7156
22a7c9d7
JM		 7157static enum nl80211_iftype wpa_driver_nl80211_if_type(
7158 enum wpa_driver_if_type type)
7159{
7160 switch (type) {
7161 case WPA_IF_STATION:
9f51b113 7162 return NL80211_IFTYPE_STATION;
75bde05d
JM		 7163 case WPA_IF_P2P_CLIENT:
7164 case WPA_IF_P2P_GROUP:
9f51b113 7165 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 7166 case WPA_IF_AP_VLAN:
7167 return NL80211_IFTYPE_AP_VLAN;
7168 case WPA_IF_AP_BSS:
7169 return NL80211_IFTYPE_AP;
9f51b113
JB		 7170 case WPA_IF_P2P_GO:
7171 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 7172 case WPA_IF_P2P_DEVICE:
7173 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH		 7174 case WPA_IF_MESH:
7175 return NL80211_IFTYPE_MESH_POINT;
98342208
AK		 7176 default:
7177 return -1;
22a7c9d7 7178 }
22a7c9d7
JM		 7179}
7180
7181
f2ed8023
JM		 7182static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
7183{
7184 struct wpa_driver_nl80211_data *drv;
7185 dl_list_for_each(drv, &global->interfaces,
7186 struct wpa_driver_nl80211_data, list) {
834ee56f 7187 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 7188 return 1;
7189 }
7190 return 0;
7191}
7192
7193
5b78493f 7194static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM		 7195{
7196 unsigned int idx;
7197
7198 if (!drv->global)
7199 return -1;
7200
834ee56f 7201 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 7202 for (idx = 0; idx < 64; idx++) {
834ee56f 7203 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 7204 new_addr[0] ^= idx << 2;
7205 if (!nl80211_addr_in_use(drv->global, new_addr))
7206 break;
7207 }
7208 if (idx == 64)
7209 return -1;
7210
5b78493f 7211 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM		 7212 MACSTR, MAC2STR(new_addr));
7213
7214 return 0;
7215}
7216
7217
f632e483
AS		 7218struct wdev_info {
7219 u64 wdev_id;
7220 int wdev_id_set;
7221 u8 macaddr[ETH_ALEN];
7222};
7223
7224static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 7225{
7226 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7227 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 7228 struct wdev_info *wi = arg;
e472e1b4
AS		 7229
7230 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7231 genlmsg_attrlen(gnlh, 0), NULL);
7232 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 7233 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
7234 wi->wdev_id_set = 1;
e472e1b4
AS		 7235 }
7236
7237 if (tb[NL80211_ATTR_MAC])
f632e483 7238 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 7239 ETH_ALEN);
7240
7241 return NL_SKIP;
7242}
7243
7244
7ab68865 7245static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 7246 const char *ifname, const u8 *addr,
f3585c8a 7247 void *bss_ctx, void **drv_priv,
e17a2477 7248 char *force_ifname, u8 *if_addr,
d8a3b66d
AS		 7249 const char *bridge, int use_existing,
7250 int setup_ap)
22a7c9d7 7251{
e472e1b4 7252 enum nl80211_iftype nlmode;
a2e40bb6
FF		 7253 struct i802_bss *bss = priv;
7254 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 7255 int ifidx;
2aec4f3c 7256 int added = 1;
22a7c9d7 7257
f3585c8a
JM		 7258 if (addr)
7259 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 7260 nlmode = wpa_driver_nl80211_if_type(type);
7261 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 7262 struct wdev_info p2pdev_info;
7263
7264 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 7265 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 7266 0, nl80211_wdev_handler,
2aec4f3c 7267 &p2pdev_info, use_existing);
f632e483 7268 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 7269 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
7270 ifname);
e472e1b4
AS		 7271 return -1;
7272 }
f632e483
AS		 7273
7274 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
7275 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
7276 if (!is_zero_ether_addr(p2pdev_info.macaddr))
7277 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
7278 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
7279 ifname,
7280 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 7281 } else {
7282 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 7283 0, NULL, NULL, use_existing);
7284 if (use_existing && ifidx == -ENFILE) {
7285 added = 0;
7286 ifidx = if_nametoindex(ifname);
7287 } else if (ifidx < 0) {
e472e1b4
AS		 7288 return -1;
7289 }
22a7c9d7
JM		 7290 }
7291
ab7a1add 7292 if (!addr) {
8ea8a89c 7293 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
ab7a1add
AS		 7294 os_memcpy(if_addr, bss->addr, ETH_ALEN);
7295 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8ea8a89c 7296 ifname, if_addr) < 0) {
2aec4f3c
JM		 7297 if (added)
7298 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 7299 return -1;
7300 }
c55f774d
JM		 7301 }
7302
c55f774d
JM		 7303 if (!addr &&
7304 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8ea8a89c
JM		 7305 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
7306 type == WPA_IF_STATION)) {
7307 /* Enforce unique address */
ab7a1add 7308 u8 new_addr[ETH_ALEN];
c55f774d 7309
ab7a1add 7310 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 7311 new_addr) < 0) {
ea39367c
MK		 7312 if (added)
7313 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7314 return -1;
7315 }
f608081c 7316 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 7317 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8ea8a89c 7318 "for interface %s type %d", ifname, type);
5b78493f 7319 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK		 7320 if (added)
7321 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7322 return -1;
7323 }
c81eff1a 7324 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 7325 new_addr) < 0) {
ea39367c
MK		 7326 if (added)
7327 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7328 return -1;
7329 }
c55f774d 7330 }
f67eeb5c 7331 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 7332 }
f3585c8a 7333
d8a3b66d 7334 if (type == WPA_IF_AP_BSS && setup_ap) {
f5eb9da3
JM		 7335 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
7336 if (new_bss == NULL) {
2aec4f3c
JM		 7337 if (added)
7338 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 7339 return -1;
7340 }
7341
7342 if (bridge &&
7343 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
7344 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
7345 "interface %s to a bridge %s",
7346 ifname, bridge);
2aec4f3c
JM		 7347 if (added)
7348 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 7349 os_free(new_bss);
7350 return -1;
7351 }
7352
c81eff1a
BG		 7353 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
7354 {
ea39367c
MK		 7355 if (added)
7356 nl80211_remove_iface(drv, ifidx);
07179987 7357 os_free(new_bss);
22a7c9d7
JM		 7358 return -1;
7359 }
a2e40bb6 7360 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 7361 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 7362 new_bss->ifindex = ifidx;
7363 new_bss->drv = drv;
834ee56f
KP		 7364 new_bss->next = drv->first_bss->next;
7365 new_bss->freq = drv->first_bss->freq;
a5e1eb20 7366 new_bss->ctx = bss_ctx;
2aec4f3c 7367 new_bss->added_if = added;
834ee56f 7368 drv->first_bss->next = new_bss;
a2e40bb6
FF		 7369 if (drv_priv)
7370 *drv_priv = new_bss;
cc7a48d1 7371 nl80211_init_bss(new_bss);
3dd1d890
YAP		 7372
7373 /* Subscribe management frames for this WPA_IF_AP_BSS */
7374 if (nl80211_setup_ap(new_bss))
7375 return -1;
22a7c9d7 7376 }
22a7c9d7 7377
ff6a158b
JM		 7378 if (drv->global)
7379 drv->global->if_add_ifindex = ifidx;
7380
d1bb7aed
JJ		 7381 /*
7382 * Some virtual interfaces need to process EAPOL packets and events on
7383 * the parent interface. This is used mainly with hostapd.
7384 */
7385 if (ifidx > 0 &&
7386 (drv->hostapd ||
7387 nlmode == NL80211_IFTYPE_AP_VLAN ||
7388 nlmode == NL80211_IFTYPE_WDS ||
7389 nlmode == NL80211_IFTYPE_MONITOR))
732b1d20 7390 add_ifidx(drv, ifidx, IFIDX_ANY);
b36935be 7391
22a7c9d7
JM		 7392 return 0;
7393}
7394
7395
9ebce9c5 7396static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 7397 enum wpa_driver_if_type type,
7398 const char *ifname)
7399{
a2e40bb6 7400 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 7401 int ifindex = if_nametoindex(ifname);
7402
2aec4f3c
JM		 7403 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
7404 __func__, type, ifname, ifindex, bss->added_if);
158b090c 7405 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 7406 nl80211_remove_iface(drv, ifindex);
de884303
JM		 7407 else if (ifindex > 0 && !bss->added_if) {
7408 struct wpa_driver_nl80211_data *drv2;
7409 dl_list_for_each(drv2, &drv->global->interfaces,
732b1d20
MB		 7410 struct wpa_driver_nl80211_data, list) {
7411 del_ifidx(drv2, ifindex, IFIDX_ANY);
7412 del_ifidx(drv2, IFIDX_ANY, ifindex);
7413 }
de884303 7414 }
c34e618d 7415
c34e618d
FF		 7416 if (type != WPA_IF_AP_BSS)
7417 return 0;
7418
e17a2477 7419 if (bss->added_if_into_bridge) {
c81eff1a
BG		 7420 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
7421 bss->ifname) < 0)
e17a2477
JM		 7422 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7423 "interface %s from bridge %s: %s",
7424 bss->ifname, bss->brname, strerror(errno));
7425 }
7426 if (bss->added_bridge) {
c81eff1a 7427 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 7428 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7429 "bridge %s: %s",
7430 bss->brname, strerror(errno));
7431 }
a2e40bb6 7432
834ee56f 7433 if (bss != drv->first_bss) {
8546ea19 7434 struct i802_bss *tbss;
a2e40bb6 7435
2aec4f3c 7436 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 7437 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 7438 if (tbss->next == bss) {
7439 tbss->next = bss->next;
3dd1d890
YAP		 7440 /* Unsubscribe management frames */
7441 nl80211_teardown_ap(bss);
cc7a48d1 7442 nl80211_destroy_bss(bss);
5c9da160
MB		 7443 if (!bss->added_if)
7444 i802_set_iface_flags(bss, 0);
8546ea19
JM		 7445 os_free(bss);
7446 bss = NULL;
7447 break;
7448 }
22a7c9d7 7449 }
8546ea19
JM		 7450 if (bss)
7451 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
7452 "BSS %p in the list", __func__, bss);
390e489c 7453 } else {
2aec4f3c 7454 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 7455 nl80211_teardown_ap(bss);
2aec4f3c 7456 if (!bss->added_if && !drv->first_bss->next)
a70cd0db 7457 wpa_driver_nl80211_del_beacon(bss);
390e489c 7458 nl80211_destroy_bss(bss);
2aec4f3c
JM		 7459 if (!bss->added_if)
7460 i802_set_iface_flags(bss, 0);
390e489c
KP		 7461 if (drv->first_bss->next) {
7462 drv->first_bss = drv->first_bss->next;
7463 drv->ctx = drv->first_bss->ctx;
7464 os_free(bss);
7465 } else {
7466 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
7467 }
22a7c9d7 7468 }
22a7c9d7
JM		 7469
7470 return 0;
7471}
7472
7473
55777702
JM		 7474static int cookie_handler(struct nl_msg *msg, void *arg)
7475{
7476 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7477 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7478 u64 *cookie = arg;
7479 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7480 genlmsg_attrlen(gnlh, 0), NULL);
7481 if (tb[NL80211_ATTR_COOKIE])
7482 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
7483 return NL_SKIP;
7484}
7485
7486
88df0ef7 7487static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 7488 unsigned int freq, unsigned int wait,
7489 const u8 *buf, size_t buf_len,
5ad372cc 7490 int save_cookie, int no_cck, int no_ack,
2d3943ce
AO		 7491 int offchanok, const u16 *csa_offs,
7492 size_t csa_offs_len)
9884f9cc 7493{
88df0ef7 7494 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 7495 struct nl_msg *msg;
7496 u64 cookie;
7497 int ret = -1;
7498
cc2ada86 7499 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 7500 "no_ack=%d offchanok=%d",
7501 freq, wait, no_cck, no_ack, offchanok);
c91f796f 7502 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 7503
56f77852 7504 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM		 7505 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
7506 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
7507 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7508 drv->test_use_roc_tx) &&
7509 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
7510 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
7511 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
2d3943ce
AO		 7512 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
7513 csa_offs_len * sizeof(u16), csa_offs)) ||
a862e4a3
JM		 7514 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
7515 goto fail;
9884f9cc
JB		 7516
7517 cookie = 0;
7518 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7519 msg = NULL;
7520 if (ret) {
7521 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 7522 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
7523 freq, wait);
a862e4a3
JM		 7524 } else {
7525 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
7526 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
7527 (long long unsigned int) cookie);
9884f9cc 7528
5ad372cc 7529 if (save_cookie)
81ae8820 7530 drv->send_frame_cookie = no_ack ? (u64) -1 : cookie;
759a8a3a 7531
81ae8820 7532 if (drv->num_send_frame_cookies == MAX_SEND_FRAME_COOKIES) {
759a8a3a 7533 wpa_printf(MSG_DEBUG,
81ae8820 7534 "nl80211: Drop oldest pending send frame cookie 0x%llx",
759a8a3a 7535 (long long unsigned int)
81ae8820
JM		 7536 drv->send_frame_cookies[0]);
7537 os_memmove(&drv->send_frame_cookies[0],
7538 &drv->send_frame_cookies[1],
7539 (MAX_SEND_FRAME_COOKIES - 1) *
759a8a3a 7540 sizeof(u64));
81ae8820 7541 drv->num_send_frame_cookies--;
759a8a3a 7542 }
81ae8820
JM		 7543 drv->send_frame_cookies[drv->num_send_frame_cookies] = cookie;
7544 drv->num_send_frame_cookies++;
a862e4a3 7545 }
9884f9cc 7546
a862e4a3 7547fail:
9884f9cc
JB		 7548 nlmsg_free(msg);
7549 return ret;
7550}
7551
7552
9ebce9c5
JM		 7553static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
7554 unsigned int freq,
190b9062 7555 unsigned int wait_time,
58f6fbe0
JM		 7556 const u8 *dst, const u8 *src,
7557 const u8 *bssid,
b106173a
JM		 7558 const u8 *data, size_t data_len,
7559 int no_cck)
58f6fbe0 7560{
a2e40bb6 7561 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 7562 int ret = -1;
58f6fbe0
JM		 7563 u8 *buf;
7564 struct ieee80211_hdr *hdr;
ff774311
BG		 7565 int offchanok = 1;
7566
7567 if (is_ap_interface(drv->nlmode) && (int) freq == bss->freq)
7568 offchanok = 0;
58f6fbe0 7569
5dfca53f 7570 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
ff774311
BG		 7571 "freq=%u MHz wait=%d ms no_cck=%d offchanok=%d)",
7572 drv->ifindex, freq, wait_time, no_cck, offchanok);
58f6fbe0
JM		 7573
7574 buf = os_zalloc(24 + data_len);
7575 if (buf == NULL)
7576 return ret;
7577 os_memcpy(buf + 24, data, data_len);
7578 hdr = (struct ieee80211_hdr *) buf;
7579 hdr->frame_control =
7580 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
7581 os_memcpy(hdr->addr1, dst, ETH_ALEN);
7582 os_memcpy(hdr->addr2, src, ETH_ALEN);
7583 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
7584
8331c9b3
VK		 7585 if (os_memcmp(bss->addr, src, ETH_ALEN) != 0) {
7586 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
7587 MAC2STR(src));
7588 os_memcpy(bss->rand_addr, src, ETH_ALEN);
7589 } else {
7590 os_memset(bss->rand_addr, 0, ETH_ALEN);
7591 }
7592
f78f2785
JM		 7593 if (is_ap_interface(drv->nlmode) &&
7594 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7595 (int) freq == bss->freq || drv->device_ap_sme ||
7596 !drv->use_monitor))
9ebce9c5 7597 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
ff774311 7598 0, freq, no_cck, offchanok,
27cc06d0 7599 wait_time, NULL, 0, 0);
9884f9cc 7600 else
88df0ef7 7601 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 7602 24 + data_len,
ff774311 7603 1, no_cck, 0, offchanok, NULL, 0);
58f6fbe0 7604
f8bf1421 7605 os_free(buf);
58f6fbe0
JM		 7606 return ret;
7607}
7608
7609
759a8a3a 7610static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
5dfca53f 7611{
5dfca53f
JB		 7612 struct wpa_driver_nl80211_data *drv = bss->drv;
7613 struct nl_msg *msg;
7614 int ret;
7615
316a9e4d 7616 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
759a8a3a 7617 (long long unsigned int) cookie);
56f77852 7618 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
759a8a3a 7619 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
a862e4a3
JM		 7620 nlmsg_free(msg);
7621 return;
7622 }
5dfca53f
JB		 7623
7624 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB		 7625 if (ret)
7626 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
7627 "(%s)", ret, strerror(-ret));
5dfca53f
JB		 7628}
7629
7630
759a8a3a
JM		 7631static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
7632{
7633 struct i802_bss *bss = priv;
7634 struct wpa_driver_nl80211_data *drv = bss->drv;
7635 unsigned int i;
7636 u64 cookie;
7637
7638 /* Cancel the last pending TX cookie */
81ae8820 7639 nl80211_frame_wait_cancel(bss, drv->send_frame_cookie);
759a8a3a
JM		 7640
7641 /*
7642 * Cancel the other pending TX cookies, if any. This is needed since
7643 * the driver may keep a list of all pending offchannel TX operations
7644 * and free up the radio only once they have expired or cancelled.
7645 */
81ae8820
JM		 7646 for (i = drv->num_send_frame_cookies; i > 0; i--) {
7647 cookie = drv->send_frame_cookies[i - 1];
7648 if (cookie != drv->send_frame_cookie)
759a8a3a
JM		 7649 nl80211_frame_wait_cancel(bss, cookie);
7650 }
81ae8820 7651 drv->num_send_frame_cookies = 0;
759a8a3a
JM		 7652}
7653
7654
55777702
JM		 7655static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
7656 unsigned int duration)
7657{
a2e40bb6
FF		 7658 struct i802_bss *bss = priv;
7659 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7660 struct nl_msg *msg;
7661 int ret;
7662 u64 cookie;
7663
56f77852 7664 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM		 7665 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
7666 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
7667 nlmsg_free(msg);
7668 return -1;
7669 }
55777702
JM		 7670
7671 cookie = 0;
7672 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7673 if (ret == 0) {
7674 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
7675 "0x%llx for freq=%u MHz duration=%u",
7676 (long long unsigned int) cookie, freq, duration);
7677 drv->remain_on_chan_cookie = cookie;
531f0331 7678 drv->pending_remain_on_chan = 1;
55777702
JM		 7679 return 0;
7680 }
7681 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 7682 "(freq=%d duration=%u): %d (%s)",
7683 freq, duration, ret, strerror(-ret));
55777702
JM		 7684 return -1;
7685}
7686
7687
7688static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
7689{
a2e40bb6
FF		 7690 struct i802_bss *bss = priv;
7691 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7692 struct nl_msg *msg;
7693 int ret;
7694
7695 if (!drv->pending_remain_on_chan) {
7696 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
7697 "to cancel");
7698 return -1;
7699 }
7700
7701 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
7702 "0x%llx",
7703 (long long unsigned int) drv->remain_on_chan_cookie);
7704
56f77852
JM		 7705 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
7706 if (!msg ||
a862e4a3
JM		 7707 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
7708 nlmsg_free(msg);
7709 return -1;
7710 }
55777702
JM		 7711
7712 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7713 if (ret == 0)
7714 return 0;
7715 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
7716 "%d (%s)", ret, strerror(-ret));
55777702
JM		 7717 return -1;
7718}
7719
7720
9ebce9c5 7721static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 7722{
a2e40bb6 7723 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 7724
5582a5d1 7725 if (!report) {
0d891981 7726 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 7727 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
7728 !bss->static_ap) {
0d891981
JM		 7729 /*
7730 * Do not disable Probe Request reporting that was
7731 * enabled in nl80211_setup_ap().
7732 */
7733 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
7734 "Probe Request reporting nl_preq=%p while "
7735 "in AP mode", bss->nl_preq);
7736 } else if (bss->nl_preq) {
36488c05
JM		 7737 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
7738 "reporting nl_preq=%p", bss->nl_preq);
40a68f33 7739 nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
5582a5d1
JB		 7740 }
7741 return 0;
7742 }
7743
481234cf 7744 if (bss->nl_preq) {
5582a5d1 7745 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 7746 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 7747 return 0;
7748 }
7749
481234cf
JM		 7750 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
7751 if (bss->nl_preq == NULL)
5582a5d1 7752 return -1;
36488c05
JM		 7753 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
7754 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 7755
481234cf 7756 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 7757 (WLAN_FC_TYPE_MGMT << 2) |
7758 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 7759 NULL, 0) < 0)
7760 goto out_err;
5582a5d1 7761
5f65e9f7
JB		 7762 nl80211_register_eloop_read(&bss->nl_preq,
7763 wpa_driver_nl80211_event_receive,
40a68f33 7764 bss->nl_cb, 0);
5582a5d1 7765
504e905c 7766 return 0;
5582a5d1 7767
a92dfde8 7768 out_err:
221a59c9 7769 nl_destroy_handles(&bss->nl_preq);
5582a5d1 7770 return -1;
504e905c
JM		 7771}
7772
7773
4e5cb1a3
JM		 7774static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
7775 int ifindex, int disabled)
7776{
7777 struct nl_msg *msg;
7778 struct nlattr *bands, *band;
7779 int ret;
7780
3e208481
JM		 7781 wpa_printf(MSG_DEBUG,
7782 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
7783 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
7784 "no NL80211_TXRATE_LEGACY constraint");
7785
95376e1a
JM		 7786 msg = nl80211_ifindex_msg(drv, ifindex, 0,
7787 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 7788 if (!msg)
7789 return -1;
7790
4e5cb1a3
JM		 7791 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
7792 if (!bands)
a862e4a3 7793 goto fail;
4e5cb1a3
JM		 7794
7795 /*
7796 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
7797 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
7798 * rates. All 5 GHz rates are left enabled.
7799 */
7800 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM		 7801 if (!band ||
7802 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
7803 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
7804 goto fail;
4e5cb1a3
JM		 7805 nla_nest_end(msg, band);
7806
7807 nla_nest_end(msg, bands);
7808
7809 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM		 7810 if (ret) {
7811 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
7812 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 7813 } else
7814 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 7815
7816 return ret;
7817
a862e4a3 7818fail:
4e5cb1a3
JM		 7819 nlmsg_free(msg);
7820 return -1;
7821}
7822
7823
af473088
JM		 7824static int wpa_driver_nl80211_deinit_ap(void *priv)
7825{
a2e40bb6
FF		 7826 struct i802_bss *bss = priv;
7827 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 7828 if (!is_ap_interface(drv->nlmode))
af473088 7829 return -1;
a70cd0db 7830 wpa_driver_nl80211_del_beacon(bss);
9bc5cfa3 7831 bss->beacon_set = 0;
60b13c20
IP		 7832
7833 /*
7834 * If the P2P GO interface was dynamically added, then it is
7835 * possible that the interface change to station is not possible.
7836 */
7837 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
7838 return 0;
7839
b1f625e0 7840 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 7841}
7842
7843
695c7038
SW		 7844static int wpa_driver_nl80211_stop_ap(void *priv)
7845{
7846 struct i802_bss *bss = priv;
7847 struct wpa_driver_nl80211_data *drv = bss->drv;
7848 if (!is_ap_interface(drv->nlmode))
7849 return -1;
a70cd0db 7850 wpa_driver_nl80211_del_beacon(bss);
695c7038
SW		 7851 bss->beacon_set = 0;
7852 return 0;
7853}
7854
7855
3c29244e
EP		 7856static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
7857{
7858 struct i802_bss *bss = priv;
7859 struct wpa_driver_nl80211_data *drv = bss->drv;
7860 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
7861 return -1;
60b13c20
IP		 7862
7863 /*
7864 * If the P2P Client interface was dynamically added, then it is
7865 * possible that the interface change to station is not possible.
7866 */
7867 if (bss->if_dynamic)
7868 return 0;
7869
3c29244e
EP		 7870 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7871}
7872
7873
207ef3fb
JM		 7874static void wpa_driver_nl80211_resume(void *priv)
7875{
a2e40bb6 7876 struct i802_bss *bss = priv;
e8dc205f 7877 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
91724d6f
AS		 7878
7879 if (i802_set_iface_flags(bss, 1))
7880 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
e8dc205f
AO		 7881
7882 if (is_p2p_net_interface(nlmode))
7883 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
207ef3fb
JM		 7884}
7885
7886
b625473c
JM		 7887static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
7888{
7889 struct i802_bss *bss = priv;
7890 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 7891 struct nl_msg *msg;
7892 struct nlattr *cqm;
b625473c
JM		 7893
7894 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
7895 "hysteresis=%d", threshold, hysteresis);
7896
13f83980 7897 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM		 7898 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
7899 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
7900 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
7901 nlmsg_free(msg);
7902 return -1;
7903 }
8970bae8 7904 nla_nest_end(msg, cqm);
21270bb4 7905
a862e4a3 7906 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 7907}
7908
7909
2cc8d8f4
AO		 7910static int get_channel_width(struct nl_msg *msg, void *arg)
7911{
7912 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7913 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7914 struct wpa_signal_info *sig_change = arg;
7915
7916 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7917 genlmsg_attrlen(gnlh, 0), NULL);
7918
7919 sig_change->center_frq1 = -1;
7920 sig_change->center_frq2 = -1;
7921 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
7922
7923 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
7924 sig_change->chanwidth = convert2width(
7925 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
7926 if (tb[NL80211_ATTR_CENTER_FREQ1])
7927 sig_change->center_frq1 =
7928 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
7929 if (tb[NL80211_ATTR_CENTER_FREQ2])
7930 sig_change->center_frq2 =
7931 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
7932 }
7933
7934 return NL_SKIP;
7935}
7936
7937
7938static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
7939 struct wpa_signal_info *sig)
7940{
7941 struct nl_msg *msg;
7942
9725b784 7943 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 7944 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO		 7945}
7946
7947
1c5c7273
PS		 7948static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
7949{
7950 struct i802_bss *bss = priv;
7951 struct wpa_driver_nl80211_data *drv = bss->drv;
7952 int res;
7953
7954 os_memset(si, 0, sizeof(*si));
7955 res = nl80211_get_link_signal(drv, si);
1d6955e6
JM		 7956 if (res) {
7957 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
7958 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
7959 return res;
7960 si->current_signal = 0;
7961 }
1c5c7273 7962
2cc8d8f4
AO		 7963 res = nl80211_get_channel_width(drv, si);
7964 if (res != 0)
7965 return res;
7966
1c5c7273
PS		 7967 return nl80211_get_link_noise(drv, si);
7968}
7969
7970
c55f774d
JM		 7971static int nl80211_set_param(void *priv, const char *param)
7972{
ef24ad3e
JM		 7973 struct i802_bss *bss = priv;
7974 struct wpa_driver_nl80211_data *drv = bss->drv;
7975
c55f774d
JM		 7976 if (param == NULL)
7977 return 0;
99a94f55 7978 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
c55f774d
JM		 7979
7980#ifdef CONFIG_P2P
7981 if (os_strstr(param, "use_p2p_group_interface=1")) {
7982 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
7983 "interface");
7984 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
7985 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
7986 }
7987#endif /* CONFIG_P2P */
7988
ef24ad3e 7989 if (os_strstr(param, "use_monitor=1"))
327b01d3 7990 drv->use_monitor = 1;
327b01d3
JM		 7991
7992 if (os_strstr(param, "force_connect_cmd=1")) {
327b01d3 7993 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 7994 drv->force_connect_cmd = 1;
327b01d3
JM		 7995 }
7996
ef24ad3e 7997 if (os_strstr(param, "force_bss_selection=1"))
4d584d8c 7998 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
4d584d8c 7999
64abb725 8000 if (os_strstr(param, "no_offchannel_tx=1")) {
64abb725
JM		 8001 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
8002 drv->test_use_roc_tx = 1;
8003 }
8004
c55f774d
JM		 8005 return 0;
8006}
8007
8008
45e3fc72 8009static void * nl80211_global_init(void *ctx)
f2ed8023
JM		 8010{
8011 struct nl80211_global *global;
36d84860
BG		 8012 struct netlink_config *cfg;
8013
f2ed8023
JM		 8014 global = os_zalloc(sizeof(*global));
8015 if (global == NULL)
8016 return NULL;
45e3fc72 8017 global->ctx = ctx;
c81eff1a 8018 global->ioctl_sock = -1;
f2ed8023 8019 dl_list_init(&global->interfaces);
ff6a158b 8020 global->if_add_ifindex = -1;
36d84860
BG		 8021
8022 cfg = os_zalloc(sizeof(*cfg));
8023 if (cfg == NULL)
8024 goto err;
8025
8026 cfg->ctx = global;
8027 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
8028 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
8029 global->netlink = netlink_init(cfg);
8030 if (global->netlink == NULL) {
8031 os_free(cfg);
8032 goto err;
8033 }
8034
2a7b66f5
BG		 8035 if (wpa_driver_nl80211_init_nl_global(global) < 0)
8036 goto err;
8037
c81eff1a
BG		 8038 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
8039 if (global->ioctl_sock < 0) {
7ac3616d
JM		 8040 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
8041 strerror(errno));
c81eff1a
BG		 8042 goto err;
8043 }
8044
f2ed8023 8045 return global;
36d84860
BG		 8046
8047err:
8048 nl80211_global_deinit(global);
8049 return NULL;
f2ed8023
JM		 8050}
8051
8052
8053static void nl80211_global_deinit(void *priv)
8054{
8055 struct nl80211_global *global = priv;
8056 if (global == NULL)
8057 return;
8058 if (!dl_list_empty(&global->interfaces)) {
8059 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
8060 "nl80211_global_deinit",
8061 dl_list_len(&global->interfaces));
8062 }
36d84860
BG		 8063
8064 if (global->netlink)
8065 netlink_deinit(global->netlink);
8066
276e2d67
BG		 8067 nl_destroy_handles(&global->nl);
8068
5f65e9f7 8069 if (global->nl_event)
40a68f33 8070 nl80211_destroy_eloop_handle(&global->nl_event, 0);
d6c9aab8
JB		 8071
8072 nl_cb_put(global->nl_cb);
2a7b66f5 8073
c81eff1a
BG		 8074 if (global->ioctl_sock >= 0)
8075 close(global->ioctl_sock);
8076
f2ed8023
JM		 8077 os_free(global);
8078}
8079
8080
6859f1cb
BG		 8081static const char * nl80211_get_radio_name(void *priv)
8082{
8083 struct i802_bss *bss = priv;
8084 struct wpa_driver_nl80211_data *drv = bss->drv;
8085 return drv->phyname;
8086}
8087
8088
061a3d3d
VK		 8089static int nl80211_pmkid(struct i802_bss *bss, int cmd,
8090 struct wpa_pmkid_params *params)
a6efc65d
JM		 8091{
8092 struct nl_msg *msg;
0887215d 8093 const size_t PMK_MAX_LEN = 48; /* current cfg80211 limit */
a6efc65d 8094
13f83980 8095 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
061a3d3d
VK		 8096 (params->pmkid &&
8097 nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
8098 (params->bssid &&
8099 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
8100 (params->ssid_len &&
8101 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
8102 (params->fils_cache_id &&
8103 nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
8104 params->fils_cache_id)) ||
c6ec9759 8105 (cmd != NL80211_CMD_DEL_PMKSA &&
8106 params->pmk_len && params->pmk_len <= PMK_MAX_LEN &&
061a3d3d 8107 nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
6110753b 8108 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 8109 nlmsg_free(msg);
8110 return -ENOBUFS;
8111 }
a6efc65d 8112
6110753b 8113 return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1);
a6efc65d
JM		 8114}
8115
8116
6fbb5414 8117static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 8118{
8119 struct i802_bss *bss = priv;
e7f6e6ee 8120 int ret;
061a3d3d
VK		 8121
8122 if (params->bssid)
8123 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
8124 MAC2STR(params->bssid));
8125 else if (params->fils_cache_id && params->ssid_len) {
8126 wpa_printf(MSG_DEBUG,
8127 "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
8128 params->fils_cache_id[0], params->fils_cache_id[1],
8129 wpa_ssid_txt(params->ssid, params->ssid_len));
8130 }
8131
e7f6e6ee
JM		 8132 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params);
8133 if (ret < 0) {
8134 wpa_printf(MSG_DEBUG,
8135 "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)",
8136 ret, strerror(-ret));
8137 }
8138
8139 return ret;
a6efc65d
JM		 8140}
8141
8142
6fbb5414 8143static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 8144{
8145 struct i802_bss *bss = priv;
e7f6e6ee 8146 int ret;
061a3d3d
VK		 8147
8148 if (params->bssid)
8149 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
8150 MAC2STR(params->bssid));
8151 else if (params->fils_cache_id && params->ssid_len) {
8152 wpa_printf(MSG_DEBUG,
8153 "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
8154 params->fils_cache_id[0], params->fils_cache_id[1],
8155 wpa_ssid_txt(params->ssid, params->ssid_len));
8156 }
8157
e7f6e6ee
JM		 8158 ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params);
8159 if (ret < 0) {
8160 wpa_printf(MSG_DEBUG,
8161 "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)",
8162 ret, strerror(-ret));
8163 }
8164
8165 return ret;
a6efc65d
JM		 8166}
8167
8168
8169static int nl80211_flush_pmkid(void *priv)
8170{
8171 struct i802_bss *bss = priv;
061a3d3d
VK		 8172 struct nl_msg *msg;
8173
a6efc65d 8174 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
061a3d3d
VK		 8175 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
8176 if (!msg)
8177 return -ENOBUFS;
8178 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 8179}
8180
8181
0185007c
MK		 8182static void clean_survey_results(struct survey_results *survey_results)
8183{
8184 struct freq_survey *survey, *tmp;
8185
8186 if (dl_list_empty(&survey_results->survey_list))
8187 return;
8188
8189 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
8190 struct freq_survey, list) {
8191 dl_list_del(&survey->list);
8192 os_free(survey);
8193 }
8194}
8195
8196
8197static void add_survey(struct nlattr **sinfo, u32 ifidx,
8198 struct dl_list *survey_list)
8199{
8200 struct freq_survey *survey;
8201
8202 survey = os_zalloc(sizeof(struct freq_survey));
8203 if (!survey)
8204 return;
8205
8206 survey->ifidx = ifidx;
8207 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8208 survey->filled = 0;
8209
8210 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
8211 survey->nf = (int8_t)
8212 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
8213 survey->filled |= SURVEY_HAS_NF;
8214 }
8215
8216 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
8217 survey->channel_time =
8218 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
8219 survey->filled |= SURVEY_HAS_CHAN_TIME;
8220 }
8221
8222 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
8223 survey->channel_time_busy =
8224 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
8225 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
8226 }
8227
8228 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
8229 survey->channel_time_rx =
8230 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
8231 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
8232 }
8233
8234 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
8235 survey->channel_time_tx =
8236 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
8237 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
8238 }
8239
8240 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)",
8241 survey->freq,
8242 survey->nf,
8243 (unsigned long int) survey->channel_time,
8244 (unsigned long int) survey->channel_time_busy,
8245 (unsigned long int) survey->channel_time_tx,
8246 (unsigned long int) survey->channel_time_rx,
8247 survey->filled);
8248
8249 dl_list_add_tail(survey_list, &survey->list);
8250}
8251
8252
8253static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
8254 unsigned int freq_filter)
8255{
8256 if (!freq_filter)
8257 return 1;
8258
8259 return freq_filter == surveyed_freq;
8260}
8261
8262
8263static int survey_handler(struct nl_msg *msg, void *arg)
8264{
8265 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8266 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8267 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
8268 struct survey_results *survey_results;
8269 u32 surveyed_freq = 0;
8270 u32 ifidx;
8271
8272 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
8273 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
8274 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
8275 };
8276
8277 survey_results = (struct survey_results *) arg;
8278
8279 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8280 genlmsg_attrlen(gnlh, 0), NULL);
8281
e28f39b7
SJ		 8282 if (!tb[NL80211_ATTR_IFINDEX])
8283 return NL_SKIP;
8284
0185007c
MK		 8285 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
8286
8287 if (!tb[NL80211_ATTR_SURVEY_INFO])
8288 return NL_SKIP;
8289
8290 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
8291 tb[NL80211_ATTR_SURVEY_INFO],
8292 survey_policy))
8293 return NL_SKIP;
8294
8295 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
8296 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
8297 return NL_SKIP;
8298 }
8299
8300 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8301
8302 if (!check_survey_ok(sinfo, surveyed_freq,
8303 survey_results->freq_filter))
8304 return NL_SKIP;
8305
8306 if (survey_results->freq_filter &&
8307 survey_results->freq_filter != surveyed_freq) {
8308 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
8309 surveyed_freq);
8310 return NL_SKIP;
8311 }
8312
8313 add_survey(sinfo, ifidx, &survey_results->survey_list);
8314
8315 return NL_SKIP;
8316}
8317
8318
8319static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
8320{
8321 struct i802_bss *bss = priv;
8322 struct wpa_driver_nl80211_data *drv = bss->drv;
8323 struct nl_msg *msg;
9725b784 8324 int err;
0185007c
MK		 8325 union wpa_event_data data;
8326 struct survey_results *survey_results;
8327
8328 os_memset(&data, 0, sizeof(data));
8329 survey_results = &data.survey_results;
8330
8331 dl_list_init(&survey_results->survey_list);
8332
9725b784 8333 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 8334 if (!msg)
a862e4a3 8335 return -ENOBUFS;
0185007c 8336
0185007c
MK		 8337 if (freq)
8338 data.survey_results.freq_filter = freq;
8339
8340 do {
8341 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
8342 err = send_and_recv_msgs(drv, msg, survey_handler,
8343 survey_results);
8344 } while (err > 0);
8345
a862e4a3 8346 if (err)
0185007c 8347 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM		 8348 else
8349 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 8350
0185007c 8351 clean_survey_results(survey_results);
0185007c
MK		 8352 return err;
8353}
8354
8355
98cd3d1c
JM		 8356static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
8357 const u8 *kck, size_t kck_len,
b14a210c
JB		 8358 const u8 *replay_ctr)
8359{
8360 struct i802_bss *bss = priv;
8361 struct wpa_driver_nl80211_data *drv = bss->drv;
8362 struct nlattr *replay_nested;
8363 struct nl_msg *msg;
64ae2447 8364 int ret;
b14a210c 8365
64ae2447
JM		 8366 if (!drv->set_rekey_offload)
8367 return;
8368
8369 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
13f83980 8370 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3 8371 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
98cd3d1c 8372 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
b6ea7642 8373 (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
a862e4a3
JM		 8374 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
8375 replay_ctr)) {
bbd89bfc 8376 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 8377 nlmsg_free(msg);
8378 return;
8379 }
b14a210c
JB		 8380
8381 nla_nest_end(msg, replay_nested);
8382
64ae2447
JM		 8383 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
8384 if (ret == -EOPNOTSUPP) {
8385 wpa_printf(MSG_DEBUG,
8386 "nl80211: Driver does not support rekey offload");
8387 drv->set_rekey_offload = 0;
8388 }
b14a210c
JB		 8389}
8390
8391
39718852
JB		 8392static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
8393 const u8 *addr, int qos)
bcf24348 8394{
39718852
JB		 8395 /* send data frame to poll STA and check whether
8396 * this frame is ACKed */
bcf24348
JB		 8397 struct {
8398 struct ieee80211_hdr hdr;
8399 u16 qos_ctl;
8400 } STRUCT_PACKED nulldata;
8401 size_t size;
8402
8403 /* Send data frame to poll STA and check whether this frame is ACKed */
8404
8405 os_memset(&nulldata, 0, sizeof(nulldata));
8406
8407 if (qos) {
8408 nulldata.hdr.frame_control =
8409 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8410 WLAN_FC_STYPE_QOS_NULL);
8411 size = sizeof(nulldata);
8412 } else {
8413 nulldata.hdr.frame_control =
8414 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8415 WLAN_FC_STYPE_NULLFUNC);
8416 size = sizeof(struct ieee80211_hdr);
8417 }
8418
8419 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
8420 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
8421 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
8422 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
8423
9ebce9c5 8424 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
27cc06d0 8425 0, 0, NULL, 0, 0) < 0)
bcf24348
JB		 8426 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
8427 "send poll frame");
8428}
8429
39718852
JB		 8430static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
8431 int qos)
8432{
8433 struct i802_bss *bss = priv;
8434 struct wpa_driver_nl80211_data *drv = bss->drv;
8435 struct nl_msg *msg;
323a51cc 8436 u64 cookie;
fc99fab7 8437 int ret;
39718852
JB		 8438
8439 if (!drv->poll_command_supported) {
8440 nl80211_send_null_frame(bss, own_addr, addr, qos);
8441 return;
8442 }
8443
13f83980 8444 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM		 8445 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8446 nlmsg_free(msg);
8447 return;
8448 }
39718852 8449
323a51cc 8450 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
fc99fab7
JM		 8451 if (ret < 0) {
8452 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
8453 MACSTR " failed: ret=%d (%s)",
8454 MAC2STR(addr), ret, strerror(-ret));
323a51cc
IP		 8455 } else {
8456 wpa_printf(MSG_DEBUG,
8457 "nl80211: Client probe request addr=" MACSTR
8458 " cookie=%llu", MAC2STR(addr),
8459 (long long unsigned int) cookie);
fc99fab7 8460 }
39718852
JB		 8461}
8462
bcf24348 8463
29f338af
JM		 8464static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
8465{
8466 struct nl_msg *msg;
1baa130b 8467 int ret;
29f338af 8468
13f83980 8469 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM		 8470 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
8471 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
8472 nlmsg_free(msg);
8473 return -ENOBUFS;
8474 }
1baa130b
JM		 8475
8476 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8477 if (ret < 0) {
8478 wpa_printf(MSG_DEBUG,
8479 "nl80211: Setting PS state %s failed: %d (%s)",
8480 enabled ? "enabled" : "disabled",
8481 ret, strerror(-ret));
8482 }
8483 return ret;
29f338af
JM		 8484}
8485
8486
8487static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
8488 int ctwindow)
8489{
8490 struct i802_bss *bss = priv;
8491
8492 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
8493 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
8494
0de38036
JM		 8495 if (opp_ps != -1 || ctwindow != -1) {
8496#ifdef ANDROID_P2P
8497 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
8498#else /* ANDROID_P2P */
29f338af 8499 return -1; /* Not yet supported */
0de38036
JM		 8500#endif /* ANDROID_P2P */
8501 }
29f338af
JM		 8502
8503 if (legacy_ps == -1)
8504 return 0;
8505 if (legacy_ps != 0 && legacy_ps != 1)
8506 return -1; /* Not yet supported */
8507
8508 return nl80211_set_power_save(bss, legacy_ps);
8509}
8510
8511
04e8003c
JD		 8512static int nl80211_start_radar_detection(void *priv,
8513 struct hostapd_freq_params *freq)
f90e9c1c
SW		 8514{
8515 struct i802_bss *bss = priv;
8516 struct wpa_driver_nl80211_data *drv = bss->drv;
8517 struct nl_msg *msg;
8518 int ret;
8519
ad9a1bfe
JC		 8520 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)",
8521 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
04e8003c
JD		 8522 freq->bandwidth, freq->center_freq1, freq->center_freq2);
8523
f90e9c1c
SW		 8524 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
8525 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
8526 "detection");
8527 return -1;
8528 }
8529
9725b784 8530 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM		 8531 nl80211_put_freq_params(msg, freq) < 0) {
8532 nlmsg_free(msg);
8533 return -1;
8534 }
f90e9c1c
SW		 8535
8536 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8537 if (ret == 0)
8538 return 0;
8539 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
8540 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW		 8541 return -1;
8542}
8543
03ea1786
AN		 8544#ifdef CONFIG_TDLS
8545
8546static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
8547 u8 dialog_token, u16 status_code,
984dadc2
AN		 8548 u32 peer_capab, int initiator, const u8 *buf,
8549 size_t len)
03ea1786
AN		 8550{
8551 struct i802_bss *bss = priv;
8552 struct wpa_driver_nl80211_data *drv = bss->drv;
8553 struct nl_msg *msg;
8554
8555 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8556 return -EOPNOTSUPP;
8557
8558 if (!dst)
8559 return -EINVAL;
8560
9725b784 8561 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM		 8562 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
8563 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
8564 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
8565 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
8566 goto fail;
96ecea5e
SD		 8567 if (peer_capab) {
8568 /*
8569 * The internal enum tdls_peer_capability definition is
8570 * currently identical with the nl80211 enum
8571 * nl80211_tdls_peer_capability, so no conversion is needed
8572 * here.
8573 */
a862e4a3
JM		 8574 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
8575 peer_capab))
8576 goto fail;
96ecea5e 8577 }
a862e4a3
JM		 8578 if ((initiator &&
8579 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
8580 nla_put(msg, NL80211_ATTR_IE, len, buf))
8581 goto fail;
03ea1786
AN		 8582
8583 return send_and_recv_msgs(drv, msg, NULL, NULL);
8584
a862e4a3 8585fail:
03ea1786
AN		 8586 nlmsg_free(msg);
8587 return -ENOBUFS;
8588}
8589
8590
8591static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
8592{
8593 struct i802_bss *bss = priv;
8594 struct wpa_driver_nl80211_data *drv = bss->drv;
8595 struct nl_msg *msg;
8596 enum nl80211_tdls_operation nl80211_oper;
b2442f25 8597 int res;
03ea1786
AN		 8598
8599 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8600 return -EOPNOTSUPP;
8601
8602 switch (oper) {
8603 case TDLS_DISCOVERY_REQ:
8604 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
8605 break;
8606 case TDLS_SETUP:
8607 nl80211_oper = NL80211_TDLS_SETUP;
8608 break;
8609 case TDLS_TEARDOWN:
8610 nl80211_oper = NL80211_TDLS_TEARDOWN;
8611 break;
8612 case TDLS_ENABLE_LINK:
8613 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
8614 break;
8615 case TDLS_DISABLE_LINK:
8616 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
8617 break;
8618 case TDLS_ENABLE:
8619 return 0;
8620 case TDLS_DISABLE:
8621 return 0;
8622 default:
8623 return -EINVAL;
8624 }
8625
9725b784 8626 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 8627 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM		 8628 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
8629 nlmsg_free(msg);
8630 return -ENOBUFS;
8631 }
03ea1786 8632
b2442f25
JM		 8633 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8634 wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
8635 " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
8636 strerror(-res));
8637 return res;
03ea1786
AN		 8638}
8639
72b2605f
AN		 8640
8641static int
8642nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
8643 const struct hostapd_freq_params *params)
8644{
8645 struct i802_bss *bss = priv;
8646 struct wpa_driver_nl80211_data *drv = bss->drv;
8647 struct nl_msg *msg;
8648 int ret = -ENOBUFS;
8649
8650 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8651 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8652 return -EOPNOTSUPP;
8653
8654 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
8655 " oper_class=%u freq=%u",
8656 MAC2STR(addr), oper_class, params->freq);
8657 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
8658 if (!msg ||
8659 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8660 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
8661 (ret = nl80211_put_freq_params(msg, params))) {
8662 nlmsg_free(msg);
8663 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
8664 return ret;
8665 }
8666
8667 return send_and_recv_msgs(drv, msg, NULL, NULL);
8668}
8669
8670
8671static int
8672nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
8673{
8674 struct i802_bss *bss = priv;
8675 struct wpa_driver_nl80211_data *drv = bss->drv;
8676 struct nl_msg *msg;
8677
8678 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8679 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8680 return -EOPNOTSUPP;
8681
8682 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
8683 MAC2STR(addr));
8684 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
8685 if (!msg ||
8686 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8687 nlmsg_free(msg);
8688 wpa_printf(MSG_DEBUG,
8689 "nl80211: Could not build TDLS cancel chan switch");
8690 return -ENOBUFS;
8691 }
8692
8693 return send_and_recv_msgs(drv, msg, NULL, NULL);
8694}
8695
03ea1786
AN		 8696#endif /* CONFIG TDLS */
8697
8698
9ebce9c5
JM		 8699static int driver_nl80211_set_key(const char *ifname, void *priv,
8700 enum wpa_alg alg, const u8 *addr,
8701 int key_idx, int set_tx,
8702 const u8 *seq, size_t seq_len,
8703 const u8 *key, size_t key_len)
8704{
8705 struct i802_bss *bss = priv;
8706 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
8707 set_tx, seq, seq_len, key, key_len);
8708}
8709
8710
8711static int driver_nl80211_scan2(void *priv,
8712 struct wpa_driver_scan_params *params)
8713{
8714 struct i802_bss *bss = priv;
b658547d 8715#ifdef CONFIG_DRIVER_NL80211_QCA
adcd7c4b
KV		 8716 struct wpa_driver_nl80211_data *drv = bss->drv;
8717
8718 /*
8719 * Do a vendor specific scan if possible. If only_new_results is
8720 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
8721 * cannot be achieved through a vendor scan. The below condition may
8722 * need to be modified if new scan flags are added in the future whose
8723 * functionality can only be achieved through a normal scan.
8724 */
8725 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
8726 return wpa_driver_nl80211_vendor_scan(bss, params);
b658547d 8727#endif /* CONFIG_DRIVER_NL80211_QCA */
9ebce9c5
JM		 8728 return wpa_driver_nl80211_scan(bss, params);
8729}
8730
8731
8732static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
4be17ffb 8733 u16 reason_code)
9ebce9c5
JM		 8734{
8735 struct i802_bss *bss = priv;
8736 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
8737}
8738
8739
8740static int driver_nl80211_authenticate(void *priv,
8741 struct wpa_driver_auth_params *params)
8742{
8743 struct i802_bss *bss = priv;
8744 return wpa_driver_nl80211_authenticate(bss, params);
8745}
8746
8747
8748static void driver_nl80211_deinit(void *priv)
8749{
8750 struct i802_bss *bss = priv;
8751 wpa_driver_nl80211_deinit(bss);
8752}
8753
8754
8755static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
8756 const char *ifname)
8757{
8758 struct i802_bss *bss = priv;
8759 return wpa_driver_nl80211_if_remove(bss, type, ifname);
8760}
8761
8762
8763static int driver_nl80211_send_mlme(void *priv, const u8 *data,
5d180a77 8764 size_t data_len, int noack,
2d3943ce 8765 unsigned int freq,
665a3007
JM		 8766 const u16 *csa_offs, size_t csa_offs_len,
8767 int no_encrypt)
9ebce9c5
JM		 8768{
8769 struct i802_bss *bss = priv;
8770 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
2d3943ce 8771 freq, 0, 0, 0, csa_offs,
27cc06d0 8772 csa_offs_len, no_encrypt);
9ebce9c5
JM		 8773}
8774
8775
8776static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
8777{
8778 struct i802_bss *bss = priv;
59d7148a 8779 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 8780}
8781
8782
9ebce9c5
JM		 8783static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
8784 const char *ifname, int vlan_id)
8785{
8786 struct i802_bss *bss = priv;
8787 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
8788}
9ebce9c5
JM		 8789
8790
8791static int driver_nl80211_read_sta_data(void *priv,
8792 struct hostap_sta_driver_data *data,
8793 const u8 *addr)
8794{
8795 struct i802_bss *bss = priv;
7824bf77
JC		 8796
8797 os_memset(data, 0, sizeof(*data));
9ebce9c5
JM		 8798 return i802_read_sta_data(bss, data, addr);
8799}
8800
8801
8802static int driver_nl80211_send_action(void *priv, unsigned int freq,
8803 unsigned int wait_time,
8804 const u8 *dst, const u8 *src,
8805 const u8 *bssid,
8806 const u8 *data, size_t data_len,
8807 int no_cck)
8808{
8809 struct i802_bss *bss = priv;
8810 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
8811 bssid, data, data_len, no_cck);
8812}
8813
8814
8815static int driver_nl80211_probe_req_report(void *priv, int report)
8816{
8817 struct i802_bss *bss = priv;
8818 return wpa_driver_nl80211_probe_req_report(bss, report);
8819}
8820
8821
6a1ce395
DG		 8822static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
8823 const u8 *ies, size_t ies_len)
8824{
8825 int ret;
8826 struct nl_msg *msg;
8827 struct i802_bss *bss = priv;
8828 struct wpa_driver_nl80211_data *drv = bss->drv;
8829 u16 mdid = WPA_GET_LE16(md);
8830
6a1ce395 8831 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 8832 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM		 8833 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
8834 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
8835 nlmsg_free(msg);
8836 return -ENOBUFS;
8837 }
6a1ce395
DG		 8838
8839 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8840 if (ret) {
8841 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
8842 "err=%d (%s)", ret, strerror(-ret));
8843 }
8844
8845 return ret;
6a1ce395
DG		 8846}
8847
8848
d1836e23
LD		 8849static int nl80211_update_dh_ie(void *priv, const u8 *peer_mac,
8850 u16 reason_code, const u8 *ie, size_t ie_len)
8851{
8852 int ret;
8853 struct nl_msg *msg;
8854 struct i802_bss *bss = priv;
8855 struct wpa_driver_nl80211_data *drv = bss->drv;
8856
8857 wpa_printf(MSG_DEBUG, "nl80211: Updating DH IE peer: " MACSTR
8858 " reason %u", MAC2STR(peer_mac), reason_code);
8859 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UPDATE_OWE_INFO)) ||
8860 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_mac) ||
8861 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, reason_code) ||
8862 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) {
8863 nlmsg_free(msg);
8864 return -ENOBUFS;
8865 }
8866
8867 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8868 if (ret) {
8869 wpa_printf(MSG_DEBUG,
8870 "nl80211: update_dh_ie failed err=%d (%s)",
8871 ret, strerror(-ret));
8872 }
8873
8874 return ret;
8875}
8876
8877
47754718 8878static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
597b94f5
AS		 8879{
8880 struct i802_bss *bss = priv;
8881 struct wpa_driver_nl80211_data *drv = bss->drv;
8882
8883 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
8884 return NULL;
8885
8886 return bss->addr;
8887}
8888
8889
a771c07d
JM		 8890static const char * scan_state_str(enum scan_states scan_state)
8891{
8892 switch (scan_state) {
8893 case NO_SCAN:
8894 return "NO_SCAN";
8895 case SCAN_REQUESTED:
8896 return "SCAN_REQUESTED";
8897 case SCAN_STARTED:
8898 return "SCAN_STARTED";
8899 case SCAN_COMPLETED:
8900 return "SCAN_COMPLETED";
8901 case SCAN_ABORTED:
8902 return "SCAN_ABORTED";
8903 case SCHED_SCAN_STARTED:
8904 return "SCHED_SCAN_STARTED";
8905 case SCHED_SCAN_STOPPED:
8906 return "SCHED_SCAN_STOPPED";
8907 case SCHED_SCAN_RESULTS:
8908 return "SCHED_SCAN_RESULTS";
8909 }
8910
8911 return "??";
8912}
8913
8914
8915static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
8916{
8917 struct i802_bss *bss = priv;
8918 struct wpa_driver_nl80211_data *drv = bss->drv;
8919 int res;
8920 char *pos, *end;
fea49f8f
JM		 8921 struct nl_msg *msg;
8922 char alpha2[3] = { 0, 0, 0 };
a771c07d
JM		 8923
8924 pos = buf;
8925 end = buf + buflen;
8926
8927 res = os_snprintf(pos, end - pos,
8928 "ifindex=%d\n"
8929 "ifname=%s\n"
8930 "brname=%s\n"
8931 "addr=" MACSTR "\n"
8932 "freq=%d\n"
c809756f 8933 "%s%s%s%s%s%s",
a771c07d
JM		 8934 bss->ifindex,
8935 bss->ifname,
8936 bss->brname,
8937 MAC2STR(bss->addr),
8938 bss->freq,
8939 bss->beacon_set ? "beacon_set=1\n" : "",
8940 bss->added_if_into_bridge ?
8941 "added_if_into_bridge=1\n" : "",
c809756f 8942 bss->already_in_bridge ? "already_in_bridge=1\n" : "",
a771c07d
JM		 8943 bss->added_bridge ? "added_bridge=1\n" : "",
8944 bss->in_deinit ? "in_deinit=1\n" : "",
8945 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 8946 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8947 return pos - buf;
8948 pos += res;
8949
8950 if (bss->wdev_id_set) {
8951 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
8952 (unsigned long long) bss->wdev_id);
d85e1fc8 8953 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8954 return pos - buf;
8955 pos += res;
8956 }
8957
8958 res = os_snprintf(pos, end - pos,
8959 "phyname=%s\n"
fee354c7 8960 "perm_addr=" MACSTR "\n"
a771c07d
JM		 8961 "drv_ifindex=%d\n"
8962 "operstate=%d\n"
8963 "scan_state=%s\n"
8964 "auth_bssid=" MACSTR "\n"
8965 "auth_attempt_bssid=" MACSTR "\n"
8966 "bssid=" MACSTR "\n"
8967 "prev_bssid=" MACSTR "\n"
8968 "associated=%d\n"
8969 "assoc_freq=%u\n"
8970 "monitor_sock=%d\n"
8971 "monitor_ifidx=%d\n"
8972 "monitor_refcount=%d\n"
8973 "last_mgmt_freq=%u\n"
8974 "eapol_tx_sock=%d\n"
97752f79 8975 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 8976 drv->phyname,
fee354c7 8977 MAC2STR(drv->perm_addr),
a771c07d
JM		 8978 drv->ifindex,
8979 drv->operstate,
8980 scan_state_str(drv->scan_state),
8981 MAC2STR(drv->auth_bssid),
8982 MAC2STR(drv->auth_attempt_bssid),
8983 MAC2STR(drv->bssid),
8984 MAC2STR(drv->prev_bssid),
8985 drv->associated,
8986 drv->assoc_freq,
8987 drv->monitor_sock,
8988 drv->monitor_ifidx,
8989 drv->monitor_refcount,
8990 drv->last_mgmt_freq,
8991 drv->eapol_tx_sock,
8992 drv->ignore_if_down_event ?
8993 "ignore_if_down_event=1\n" : "",
8994 drv->scan_complete_events ?
8995 "scan_complete_events=1\n" : "",
8996 drv->disabled_11b_rates ?
8997 "disabled_11b_rates=1\n" : "",
8998 drv->pending_remain_on_chan ?
8999 "pending_remain_on_chan=1\n" : "",
9000 drv->in_interface_list ? "in_interface_list=1\n" : "",
9001 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
9002 drv->poll_command_supported ?
9003 "poll_command_supported=1\n" : "",
9004 drv->data_tx_status ? "data_tx_status=1\n" : "",
9005 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
9006 drv->retry_auth ? "retry_auth=1\n" : "",
9007 drv->use_monitor ? "use_monitor=1\n" : "",
9008 drv->ignore_next_local_disconnect ?
9009 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 9010 drv->ignore_next_local_deauth ?
97752f79 9011 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 9012 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9013 return pos - buf;
9014 pos += res;
9015
9016 if (drv->has_capability) {
9017 res = os_snprintf(pos, end - pos,
9018 "capa.key_mgmt=0x%x\n"
9019 "capa.enc=0x%x\n"
9020 "capa.auth=0x%x\n"
24bd4e0b 9021 "capa.flags=0x%llx\n"
a0a34d53 9022 "capa.rrm_flags=0x%x\n"
a771c07d
JM		 9023 "capa.max_scan_ssids=%d\n"
9024 "capa.max_sched_scan_ssids=%d\n"
9025 "capa.sched_scan_supported=%d\n"
9026 "capa.max_match_sets=%d\n"
9027 "capa.max_remain_on_chan=%u\n"
9028 "capa.max_stations=%u\n"
9029 "capa.probe_resp_offloads=0x%x\n"
9030 "capa.max_acl_mac_addrs=%u\n"
86056fea
IP		 9031 "capa.num_multichan_concurrent=%u\n"
9032 "capa.mac_addr_rand_sched_scan_supported=%d\n"
079a28f7
AK		 9033 "capa.mac_addr_rand_scan_supported=%d\n"
9034 "capa.conc_capab=%u\n"
9035 "capa.max_conc_chan_2_4=%u\n"
09ea4309
AS		 9036 "capa.max_conc_chan_5_0=%u\n"
9037 "capa.max_sched_scan_plans=%u\n"
9038 "capa.max_sched_scan_plan_interval=%u\n"
9039 "capa.max_sched_scan_plan_iterations=%u\n",
a771c07d
JM		 9040 drv->capa.key_mgmt,
9041 drv->capa.enc,
9042 drv->capa.auth,
24bd4e0b 9043 (unsigned long long) drv->capa.flags,
a0a34d53 9044 drv->capa.rrm_flags,
a771c07d
JM		 9045 drv->capa.max_scan_ssids,
9046 drv->capa.max_sched_scan_ssids,
9047 drv->capa.sched_scan_supported,
9048 drv->capa.max_match_sets,
9049 drv->capa.max_remain_on_chan,
9050 drv->capa.max_stations,
9051 drv->capa.probe_resp_offloads,
9052 drv->capa.max_acl_mac_addrs,
86056fea
IP		 9053 drv->capa.num_multichan_concurrent,
9054 drv->capa.mac_addr_rand_sched_scan_supported,
079a28f7
AK		 9055 drv->capa.mac_addr_rand_scan_supported,
9056 drv->capa.conc_capab,
9057 drv->capa.max_conc_chan_2_4,
09ea4309
AS		 9058 drv->capa.max_conc_chan_5_0,
9059 drv->capa.max_sched_scan_plans,
9060 drv->capa.max_sched_scan_plan_interval,
9061 drv->capa.max_sched_scan_plan_iterations);
d85e1fc8 9062 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9063 return pos - buf;
9064 pos += res;
9065 }
9066
fea49f8f
JM		 9067 msg = nlmsg_alloc();
9068 if (msg &&
9069 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
9070 nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
9071 if (send_and_recv_msgs(drv, msg, nl80211_get_country,
9072 alpha2) == 0 &&
9073 alpha2[0]) {
9074 res = os_snprintf(pos, end - pos, "country=%s\n",
9075 alpha2);
9076 if (os_snprintf_error(end - pos, res))
9077 return pos - buf;
9078 pos += res;
9079 }
9080 } else {
9081 nlmsg_free(msg);
9082 }
9083
a771c07d
JM		 9084 return pos - buf;
9085}
9086
9087
1c4ffa87
AO		 9088static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
9089{
a862e4a3
JM		 9090 if ((settings->head &&
9091 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
9092 settings->head_len, settings->head)) ||
9093 (settings->tail &&
9094 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
9095 settings->tail_len, settings->tail)) ||
9096 (settings->beacon_ies &&
9097 nla_put(msg, NL80211_ATTR_IE,
9098 settings->beacon_ies_len, settings->beacon_ies)) ||
9099 (settings->proberesp_ies &&
9100 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
9101 settings->proberesp_ies_len, settings->proberesp_ies)) ||
9102 (settings->assocresp_ies &&
9103 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
9104 settings->assocresp_ies_len, settings->assocresp_ies)) ||
9105 (settings->probe_resp &&
9106 nla_put(msg, NL80211_ATTR_PROBE_RESP,
9107 settings->probe_resp_len, settings->probe_resp)))
9108 return -ENOBUFS;
1c4ffa87
AO		 9109
9110 return 0;
1c4ffa87
AO		 9111}
9112
9113
9114static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
9115{
9116 struct nl_msg *msg;
9117 struct i802_bss *bss = priv;
9118 struct wpa_driver_nl80211_data *drv = bss->drv;
9119 struct nlattr *beacon_csa;
9120 int ret = -ENOBUFS;
366179d2
AO		 9121 int csa_off_len = 0;
9122 int i;
1c4ffa87 9123
8d1fdde7 9124 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 9125 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 9126 settings->freq_params.freq, settings->freq_params.bandwidth,
9127 settings->freq_params.center_freq1,
9128 settings->freq_params.center_freq2);
1c4ffa87 9129
991aa9c7 9130 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 9131 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
9132 return -EOPNOTSUPP;
9133 }
9134
0928b629
PO		 9135 if (drv->nlmode != NL80211_IFTYPE_AP &&
9136 drv->nlmode != NL80211_IFTYPE_P2P_GO &&
9137 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
1c4ffa87
AO		 9138 return -EOPNOTSUPP;
9139
366179d2
AO		 9140 /*
9141 * Remove empty counters, assuming Probe Response and Beacon frame
9142 * counters match. This implementation assumes that there are only two
9143 * counters.
9144 */
9145 if (settings->counter_offset_beacon[0] &&
9146 !settings->counter_offset_beacon[1]) {
9147 csa_off_len = 1;
9148 } else if (settings->counter_offset_beacon[1] &&
9149 !settings->counter_offset_beacon[0]) {
9150 csa_off_len = 1;
9151 settings->counter_offset_beacon[0] =
9152 settings->counter_offset_beacon[1];
9153 settings->counter_offset_presp[0] =
9154 settings->counter_offset_presp[1];
9155 } else if (settings->counter_offset_beacon[1] &&
9156 settings->counter_offset_beacon[0]) {
9157 csa_off_len = 2;
9158 } else {
9159 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
9160 return -EINVAL;
9161 }
9162
9163 /* Check CSA counters validity */
9164 if (drv->capa.max_csa_counters &&
9165 csa_off_len > drv->capa.max_csa_counters) {
9166 wpa_printf(MSG_ERROR,
9167 "nl80211: Too many CSA counters provided");
1c4ffa87 9168 return -EINVAL;
366179d2 9169 }
1c4ffa87 9170
366179d2 9171 if (!settings->beacon_csa.tail)
1c4ffa87
AO		 9172 return -EINVAL;
9173
366179d2
AO		 9174 for (i = 0; i < csa_off_len; i++) {
9175 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
9176 u16 csa_c_off_presp = settings->counter_offset_presp[i];
9177
9178 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
9179 (settings->beacon_csa.tail[csa_c_off_bcn] !=
9180 settings->cs_count))
9181 return -EINVAL;
9182
9183 if (settings->beacon_csa.probe_resp &&
9184 ((settings->beacon_csa.probe_resp_len <=
9185 csa_c_off_presp) ||
9186 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
9187 settings->cs_count)))
9188 return -EINVAL;
9189 }
9190
13f83980 9191 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM		 9192 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
9193 settings->cs_count) ||
9194 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
9195 (settings->block_tx &&
9196 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO		 9197 goto error;
9198
1c4ffa87
AO		 9199 /* beacon_after params */
9200 ret = set_beacon_data(msg, &settings->beacon_after);
9201 if (ret)
9202 goto error;
9203
9204 /* beacon_csa params */
9205 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
9206 if (!beacon_csa)
a862e4a3 9207 goto fail;
1c4ffa87
AO		 9208
9209 ret = set_beacon_data(msg, &settings->beacon_csa);
9210 if (ret)
9211 goto error;
9212
366179d2
AO		 9213 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
9214 csa_off_len * sizeof(u16),
9215 settings->counter_offset_beacon) ||
a862e4a3 9216 (settings->beacon_csa.probe_resp &&
366179d2
AO		 9217 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
9218 csa_off_len * sizeof(u16),
9219 settings->counter_offset_presp)))
a862e4a3 9220 goto fail;
1c4ffa87
AO		 9221
9222 nla_nest_end(msg, beacon_csa);
9223 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9224 if (ret) {
9225 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
9226 ret, strerror(-ret));
9227 }
9228 return ret;
9229
a862e4a3 9230fail:
1c4ffa87
AO		 9231 ret = -ENOBUFS;
9232error:
9233 nlmsg_free(msg);
9234 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
9235 return ret;
9236}
9237
9238
dfa87878
MB		 9239static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
9240 u8 user_priority, u16 admitted_time)
9241{
9242 struct i802_bss *bss = priv;
9243 struct wpa_driver_nl80211_data *drv = bss->drv;
9244 struct nl_msg *msg;
9245 int ret;
9246
9247 wpa_printf(MSG_DEBUG,
9248 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
9249 tsid, admitted_time, user_priority);
9250
9251 if (!is_sta_interface(drv->nlmode))
9252 return -ENOTSUP;
9253
56f77852
JM		 9254 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
9255 if (!msg ||
a862e4a3
JM		 9256 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9257 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9258 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
9259 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
9260 nlmsg_free(msg);
9261 return -ENOBUFS;
9262 }
dfa87878
MB		 9263
9264 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9265 if (ret)
9266 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
9267 ret, strerror(-ret));
9268 return ret;
dfa87878
MB		 9269}
9270
9271
9272static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
9273{
9274 struct i802_bss *bss = priv;
9275 struct wpa_driver_nl80211_data *drv = bss->drv;
9276 struct nl_msg *msg;
9277 int ret;
9278
9279 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
9280
9281 if (!is_sta_interface(drv->nlmode))
9282 return -ENOTSUP;
9283
56f77852 9284 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM		 9285 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9286 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
9287 nlmsg_free(msg);
9288 return -ENOBUFS;
9289 }
dfa87878
MB		 9290
9291 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9292 if (ret)
9293 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
9294 ret, strerror(-ret));
9295 return ret;
dfa87878
MB		 9296}
9297
9298
6b9f7af6
JM		 9299#ifdef CONFIG_TESTING_OPTIONS
9300static int cmd_reply_handler(struct nl_msg *msg, void *arg)
9301{
9302 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9303 struct wpabuf *buf = arg;
9304
9305 if (!buf)
9306 return NL_SKIP;
9307
9308 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
9309 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
9310 return NL_SKIP;
9311 }
9312
9313 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
9314 genlmsg_attrlen(gnlh, 0));
9315
9316 return NL_SKIP;
9317}
9318#endif /* CONFIG_TESTING_OPTIONS */
9319
9320
adef8948
BL		 9321static int vendor_reply_handler(struct nl_msg *msg, void *arg)
9322{
9323 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9324 struct nlattr *nl_vendor_reply, *nl;
9325 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9326 struct wpabuf *buf = arg;
9327 int rem;
9328
9329 if (!buf)
9330 return NL_SKIP;
9331
9332 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9333 genlmsg_attrlen(gnlh, 0), NULL);
9334 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
9335
9336 if (!nl_vendor_reply)
9337 return NL_SKIP;
9338
9339 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
9340 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
9341 return NL_SKIP;
9342 }
9343
9344 nla_for_each_nested(nl, nl_vendor_reply, rem) {
9345 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
9346 }
9347
9348 return NL_SKIP;
9349}
9350
9351
9352static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
9353 unsigned int subcmd, const u8 *data,
9354 size_t data_len, struct wpabuf *buf)
9355{
9356 struct i802_bss *bss = priv;
9357 struct wpa_driver_nl80211_data *drv = bss->drv;
9358 struct nl_msg *msg;
9359 int ret;
9360
6b9f7af6
JM		 9361#ifdef CONFIG_TESTING_OPTIONS
9362 if (vendor_id == 0xffffffff) {
56f77852
JM		 9363 msg = nlmsg_alloc();
9364 if (!msg)
9365 return -ENOMEM;
9366
6b9f7af6
JM		 9367 nl80211_cmd(drv, msg, 0, subcmd);
9368 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
9369 0)
a862e4a3 9370 goto fail;
6b9f7af6
JM		 9371 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
9372 if (ret)
9373 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
9374 ret);
9375 return ret;
9376 }
9377#endif /* CONFIG_TESTING_OPTIONS */
9378
56f77852 9379 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9380 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
9381 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
9382 (data &&
9383 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
9384 goto fail;
adef8948
BL		 9385
9386 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
9387 if (ret)
9388 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
9389 ret);
9390 return ret;
9391
a862e4a3 9392fail:
adef8948
BL		 9393 nlmsg_free(msg);
9394 return -ENOBUFS;
9395}
9396
9397
049105b4
KP		 9398static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
9399 u8 qos_map_set_len)
9400{
9401 struct i802_bss *bss = priv;
9402 struct wpa_driver_nl80211_data *drv = bss->drv;
9403 struct nl_msg *msg;
9404 int ret;
9405
049105b4
KP		 9406 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
9407 qos_map_set, qos_map_set_len);
9408
9725b784 9409 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM		 9410 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
9411 nlmsg_free(msg);
9412 return -ENOBUFS;
9413 }
049105b4
KP		 9414
9415 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9416 if (ret)
9417 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
9418
9419 return ret;
049105b4
KP		 9420}
9421
9422
82ba4f2d
MC		 9423static int get_wowlan_handler(struct nl_msg *msg, void *arg)
9424{
9425 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9426 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9427 int *wowlan_enabled = arg;
9428
9429 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9430 genlmsg_attrlen(gnlh, 0), NULL);
9431
9432 *wowlan_enabled = !!tb[NL80211_ATTR_WOWLAN_TRIGGERS];
9433
9434 return NL_SKIP;
9435}
9436
9437
9438static int nl80211_get_wowlan(void *priv)
9439{
9440 struct i802_bss *bss = priv;
9441 struct wpa_driver_nl80211_data *drv = bss->drv;
9442 struct nl_msg *msg;
9443 int wowlan_enabled;
9444 int ret;
9445
9446 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status");
9447
9448 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_WOWLAN);
9449
9450 ret = send_and_recv_msgs(drv, msg, get_wowlan_handler, &wowlan_enabled);
9451 if (ret) {
9452 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status failed");
9453 return 0;
9454 }
9455
9456 wpa_printf(MSG_DEBUG, "nl80211: wowlan is %s",
9457 wowlan_enabled ? "enabled" : "disabled");
9458
9459 return wowlan_enabled;
9460}
9461
9462
e4fa8b12
EP		 9463static int nl80211_set_wowlan(void *priv,
9464 const struct wowlan_triggers *triggers)
9465{
9466 struct i802_bss *bss = priv;
9467 struct wpa_driver_nl80211_data *drv = bss->drv;
9468 struct nl_msg *msg;
9469 struct nlattr *wowlan_triggers;
9470 int ret;
9471
e4fa8b12
EP		 9472 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
9473
1ac977bd 9474 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM		 9475 !(wowlan_triggers = nla_nest_start(msg,
9476 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
9477 (triggers->any &&
9478 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
9479 (triggers->disconnect &&
9480 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
9481 (triggers->magic_pkt &&
9482 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
9483 (triggers->gtk_rekey_failure &&
9484 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
9485 (triggers->eap_identity_req &&
9486 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
9487 (triggers->four_way_handshake &&
9488 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
9489 (triggers->rfkill_release &&
9490 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
9491 nlmsg_free(msg);
9492 return -ENOBUFS;
9493 }
e4fa8b12
EP		 9494
9495 nla_nest_end(msg, wowlan_triggers);
9496
9497 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9498 if (ret)
9499 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
9500
9501 return ret;
e4fa8b12
EP		 9502}
9503
9504
b658547d 9505#ifdef CONFIG_DRIVER_NL80211_QCA
0800f9ee
JM		 9506static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
9507{
9508 struct i802_bss *bss = priv;
9509 struct wpa_driver_nl80211_data *drv = bss->drv;
9510 struct nl_msg *msg;
9511 struct nlattr *params;
9512
9513 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
9514
9515 if (!drv->roaming_vendor_cmd_avail) {
9516 wpa_printf(MSG_DEBUG,
9517 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
9518 return -1;
9519 }
9520
9725b784 9521 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9522 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9523 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9524 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
9525 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9526 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
9527 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
9528 QCA_ROAMING_NOT_ALLOWED) ||
9529 (bssid &&
9530 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
9531 nlmsg_free(msg);
9532 return -1;
9533 }
0800f9ee
JM		 9534 nla_nest_end(msg, params);
9535
9536 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee 9537}
b04854ce
AP		 9538
9539
d98038bb 9540static int nl80211_disable_fils(void *priv, int disable)
9541{
9542 struct i802_bss *bss = priv;
9543 struct wpa_driver_nl80211_data *drv = bss->drv;
9544 struct nl_msg *msg;
9545 struct nlattr *params;
9546
9547 wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable);
9548
9549 if (!drv->set_wifi_conf_vendor_cmd_avail)
9550 return -1;
9551
9552 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9553 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9554 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9555 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
9556 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9557 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS,
9558 disable)) {
9559 nlmsg_free(msg);
9560 return -1;
9561 }
9562 nla_nest_end(msg, params);
9563
9564 return send_and_recv_msgs(drv, msg, NULL, NULL);
9565}
9566
9567
b04854ce
AP		 9568/* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
9569#define WPA_SUPPLICANT_CLIENT_ID 1
9570
9571static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid,
9572 const u8 *bssid)
9573{
9574 struct i802_bss *bss = priv;
9575 struct wpa_driver_nl80211_data *drv = bss->drv;
9576 struct nl_msg *msg;
9577 struct nlattr *params, *nlbssids, *attr;
9578 unsigned int i;
9579
9580 wpa_printf(MSG_DEBUG, "nl80211: Set blacklist BSSID (num=%u)",
9581 num_bssid);
9582
9583 if (!drv->roam_vendor_cmd_avail)
9584 return -1;
9585
9586 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9587 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9588 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9589 QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
9590 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9591 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
1425caac 9592 QCA_WLAN_VENDOR_ROAMING_SUBCMD_SET_BLACKLIST_BSSID) ||
b04854ce
AP		 9593 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
9594 WPA_SUPPLICANT_CLIENT_ID) ||
9595 nla_put_u32(msg,
9596 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
9597 num_bssid))
9598 goto fail;
9599
9600 nlbssids = nla_nest_start(
9601 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
9602 if (!nlbssids)
9603 goto fail;
9604
9605 for (i = 0; i < num_bssid; i++) {
9606 attr = nla_nest_start(msg, i);
9607 if (!attr)
9608 goto fail;
9609 if (nla_put(msg,
9610 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
9611 ETH_ALEN, &bssid[i * ETH_ALEN]))
9612 goto fail;
9613 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i,
9614 MAC2STR(&bssid[i * ETH_ALEN]));
9615 nla_nest_end(msg, attr);
9616 }
9617 nla_nest_end(msg, nlbssids);
9618 nla_nest_end(msg, params);
9619
9620 return send_and_recv_msgs(drv, msg, NULL, NULL);
9621
9622fail:
9623 nlmsg_free(msg);
9624 return -1;
9625}
9626
df3b2e22
SSG		 9627
9628static int nl80211_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
9629{
9630 struct i802_bss *bss = priv;
9631 struct wpa_driver_nl80211_data *drv = bss->drv;
9632 struct nl_msg *msg;
9633 struct nlattr *params;
9634
9635 if (!drv->add_sta_node_vendor_cmd_avail)
9636 return -EOPNOTSUPP;
9637
9638 wpa_printf(MSG_DEBUG, "nl80211: Add STA node");
9639
9640 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9641 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9642 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9643 QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE) ||
9644 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9645 (addr &&
9646 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_MAC_ADDR, ETH_ALEN,
9647 addr)) ||
9648 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_AUTH_ALGO,
9649 auth_alg)) {
9650 nlmsg_free(msg);
9651 wpa_printf(MSG_ERROR,
9652 "%s: err in adding vendor_cmd and vendor_data",
9653 __func__);
9654 return -1;
9655 }
9656 nla_nest_end(msg, params);
9657
9658 return send_and_recv_msgs(drv, msg, NULL, NULL);
9659}
9660
b658547d 9661#endif /* CONFIG_DRIVER_NL80211_QCA */
0800f9ee
JM		 9662
9663
fee354c7
JM		 9664static int nl80211_set_mac_addr(void *priv, const u8 *addr)
9665{
9666 struct i802_bss *bss = priv;
9667 struct wpa_driver_nl80211_data *drv = bss->drv;
9668 int new_addr = addr != NULL;
9669
9ce3e610
JM		 9670 if (TEST_FAIL())
9671 return -1;
9672
fee354c7
JM		 9673 if (!addr)
9674 addr = drv->perm_addr;
9675
9676 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
9677 return -1;
9678
9679 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
9680 {
9681 wpa_printf(MSG_DEBUG,
9682 "nl80211: failed to set_mac_addr for %s to " MACSTR,
9683 bss->ifname, MAC2STR(addr));
9684 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
9685 1) < 0) {
9686 wpa_printf(MSG_DEBUG,
9687 "nl80211: Could not restore interface UP after failed set_mac_addr");
9688 }
9689 return -1;
9690 }
9691
9692 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
9693 bss->ifname, MAC2STR(addr));
9694 drv->addr_changed = new_addr;
9695 os_memcpy(bss->addr, addr, ETH_ALEN);
9696
9697 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
9698 {
9699 wpa_printf(MSG_DEBUG,
9700 "nl80211: Could not restore interface UP after set_mac_addr");
9701 }
9702
9703 return 0;
9704}
9705
9706
6c1664f6
BC		 9707#ifdef CONFIG_MESH
9708
9709static int wpa_driver_nl80211_init_mesh(void *priv)
9710{
9711 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
9712 wpa_printf(MSG_INFO,
9713 "nl80211: Failed to set interface into mesh mode");
9714 return -1;
9715 }
9716 return 0;
9717}
9718
9719
21c74e84
JM		 9720static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
9721 size_t mesh_id_len)
9722{
9723 if (mesh_id) {
21cd8f83
JM		 9724 wpa_printf(MSG_DEBUG, " * Mesh ID (SSID)=%s",
9725 wpa_ssid_txt(mesh_id, mesh_id_len));
21c74e84
JM		 9726 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
9727 }
9728
9729 return 0;
9730}
9731
9732
4ffb3f87
MH		 9733static int nl80211_put_mesh_config(struct nl_msg *msg,
9734 struct wpa_driver_mesh_bss_params *params)
9735{
9736 struct nlattr *container;
9737
9738 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
9739 if (!container)
9740 return -1;
9741
2bd62171 9742 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
963d3149
JM		 9743 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
9744 params->auto_plinks)) ||
2bd62171
MH		 9745 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
9746 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
31a856a1
MH		 9747 params->max_peer_links)) ||
9748 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
9749 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
9750 params->rssi_threshold)))
4ffb3f87
MH		 9751 return -1;
9752
9753 /*
9754 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
9755 * the timer could disconnect stations even in that case.
9756 */
2bd62171
MH		 9757 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
9758 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4ffb3f87
MH		 9759 params->peer_link_timeout)) {
9760 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
9761 return -1;
9762 }
9763
052b8d38
MH		 9764 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
9765 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
9766 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
9767 return -1;
9768 }
9769
4ffb3f87
MH		 9770 nla_nest_end(msg, container);
9771
9772 return 0;
9773}
9774
9775
0cb5f8d9 9776static int nl80211_join_mesh(struct i802_bss *bss,
6c1664f6
BC		 9777 struct wpa_driver_mesh_join_params *params)
9778{
6c1664f6
BC		 9779 struct wpa_driver_nl80211_data *drv = bss->drv;
9780 struct nl_msg *msg;
9781 struct nlattr *container;
7451a217 9782 int ret = -1;
6c1664f6 9783
6c1664f6 9784 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784 9785 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
f7e889fa
JM		 9786 if (!msg ||
9787 nl80211_put_freq_params(msg, &params->freq) ||
21c74e84
JM		 9788 nl80211_put_basic_rates(msg, params->basic_rates) ||
9789 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
4ac2ea57
MH		 9790 nl80211_put_beacon_int(msg, params->beacon_int) ||
9791 nl80211_put_dtim_period(msg, params->dtim_period))
85e1fad8 9792 goto fail;
9c58c5f7 9793
6c1664f6
BC		 9794 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
9795
9796 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
9797 if (!container)
a862e4a3 9798 goto fail;
6c1664f6
BC		 9799
9800 if (params->ies) {
9801 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM		 9802 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
9803 params->ies))
9804 goto fail;
6c1664f6
BC		 9805 }
9806 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
9807 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM		 9808 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
9809 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
9810 goto fail;
6c1664f6 9811 }
a862e4a3
JM		 9812 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
9813 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
9814 goto fail;
9815 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
9816 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
9817 goto fail;
6c1664f6
BC		 9818 nla_nest_end(msg, container);
9819
2bd62171
MH		 9820 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
9821 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
9822 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
4ffb3f87 9823 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
5a2a6de6 9824 goto fail;
6c1664f6
BC		 9825
9826 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9827 msg = NULL;
9828 if (ret) {
9829 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
9830 ret, strerror(-ret));
a862e4a3 9831 goto fail;
6c1664f6
BC		 9832 }
9833 ret = 0;
92a515b8 9834 drv->assoc_freq = bss->freq = params->freq.freq;
6c1664f6
BC		 9835 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
9836
a862e4a3 9837fail:
6c1664f6
BC		 9838 nlmsg_free(msg);
9839 return ret;
9840}
9841
9842
0cb5f8d9
MH		 9843static int
9844wpa_driver_nl80211_join_mesh(void *priv,
9845 struct wpa_driver_mesh_join_params *params)
9846{
9847 struct i802_bss *bss = priv;
9848 int ret, timeout;
9849
9850 timeout = params->conf.peer_link_timeout;
9851
9852 /* Disable kernel inactivity timer */
9853 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
9854 params->conf.peer_link_timeout = 0;
9855
9856 ret = nl80211_join_mesh(bss, params);
9857 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
9858 wpa_printf(MSG_DEBUG,
9859 "nl80211: Mesh join retry for peer_link_timeout");
9860 /*
9861 * Old kernel does not support setting
9862 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
9863 * into future from peer_link_timeout.
9864 */
9865 params->conf.peer_link_timeout = timeout + 60;
9866 ret = nl80211_join_mesh(priv, params);
9867 }
9868
9869 params->conf.peer_link_timeout = timeout;
9870 return ret;
9871}
9872
9873
6c1664f6
BC		 9874static int wpa_driver_nl80211_leave_mesh(void *priv)
9875{
9876 struct i802_bss *bss = priv;
9877 struct wpa_driver_nl80211_data *drv = bss->drv;
9878 struct nl_msg *msg;
9725b784 9879 int ret;
6c1664f6
BC		 9880
9881 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 9882 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 9883 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC		 9884 if (ret) {
9885 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
9886 ret, strerror(-ret));
a862e4a3
JM		 9887 } else {
9888 wpa_printf(MSG_DEBUG,
9889 "nl80211: mesh leave request send successfully");
6c1664f6 9890 }
6c1664f6 9891
f33c82d2
JM		 9892 if (wpa_driver_nl80211_set_mode(drv->first_bss,
9893 NL80211_IFTYPE_STATION)) {
9894 wpa_printf(MSG_INFO,
9895 "nl80211: Failed to set interface into station mode");
9896 }
6c1664f6
BC		 9897 return ret;
9898}
9899
c36109e4
PKC		 9900
9901static int nl80211_probe_mesh_link(void *priv, const u8 *addr, const u8 *eth,
9902 size_t len)
9903{
9904 struct i802_bss *bss = priv;
9905 struct wpa_driver_nl80211_data *drv = bss->drv;
9906 struct nl_msg *msg;
9907 int ret;
9908
9909 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_PROBE_MESH_LINK);
9910 if (!msg ||
9911 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9912 nla_put(msg, NL80211_ATTR_FRAME, len, eth)) {
9913 nlmsg_free(msg);
9914 return -ENOBUFS;
9915 }
9916
9917 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9918 if (ret) {
9919 wpa_printf(MSG_DEBUG, "nl80211: mesh link probe to " MACSTR
9920 " failed: ret=%d (%s)",
9921 MAC2STR(addr), ret, strerror(-ret));
9922 } else {
9923 wpa_printf(MSG_DEBUG, "nl80211: Mesh link to " MACSTR
9924 " probed successfully", MAC2STR(addr));
9925 }
9926
9927 return ret;
9928}
9929
6c1664f6
BC		 9930#endif /* CONFIG_MESH */
9931
9932
ed4ddb6d
KP		 9933static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
9934 const u8 *ipaddr, int prefixlen,
9935 const u8 *addr)
71103bed
KP		 9936{
9937#ifdef CONFIG_LIBNL3_ROUTE
9938 struct i802_bss *bss = priv;
9939 struct wpa_driver_nl80211_data *drv = bss->drv;
9940 struct rtnl_neigh *rn;
9941 struct nl_addr *nl_ipaddr = NULL;
9942 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 9943 int family, addrsize;
71103bed
KP		 9944 int res;
9945
ed4ddb6d 9946 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP		 9947 return -EINVAL;
9948
9949 if (bss->br_ifindex == 0) {
9950 wpa_printf(MSG_DEBUG,
9951 "nl80211: bridge must be set before adding an ip neigh to it");
9952 return -1;
9953 }
9954
9955 if (!drv->rtnl_sk) {
9956 wpa_printf(MSG_DEBUG,
9957 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9958 return -1;
9959 }
9960
ed4ddb6d
KP		 9961 if (version == 4) {
9962 family = AF_INET;
9963 addrsize = 4;
9964 } else if (version == 6) {
9965 family = AF_INET6;
9966 addrsize = 16;
9967 } else {
9968 return -EINVAL;
9969 }
9970
71103bed
KP		 9971 rn = rtnl_neigh_alloc();
9972 if (rn == NULL)
9973 return -ENOMEM;
9974
9975 /* set the destination ip address for neigh */
ed4ddb6d 9976 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 9977 if (nl_ipaddr == NULL) {
9978 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9979 res = -ENOMEM;
9980 goto errout;
9981 }
9982 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
9983 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9984 if (res) {
9985 wpa_printf(MSG_DEBUG,
9986 "nl80211: neigh set destination addr failed");
9987 goto errout;
9988 }
9989
9990 /* set the corresponding lladdr for neigh */
9991 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
9992 if (nl_lladdr == NULL) {
9993 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
9994 res = -ENOMEM;
9995 goto errout;
9996 }
9997 rtnl_neigh_set_lladdr(rn, nl_lladdr);
9998
9999 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
10000 rtnl_neigh_set_state(rn, NUD_PERMANENT);
10001
10002 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
10003 if (res) {
10004 wpa_printf(MSG_DEBUG,
10005 "nl80211: Adding bridge ip neigh failed: %s",
3ea58a05 10006 nl_geterror(res));
71103bed
KP		 10007 }
10008errout:
10009 if (nl_lladdr)
10010 nl_addr_put(nl_lladdr);
10011 if (nl_ipaddr)
10012 nl_addr_put(nl_ipaddr);
10013 if (rn)
10014 rtnl_neigh_put(rn);
10015 return res;
10016#else /* CONFIG_LIBNL3_ROUTE */
10017 return -1;
10018#endif /* CONFIG_LIBNL3_ROUTE */
10019}
10020
10021
ed4ddb6d
KP		 10022static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
10023 const u8 *ipaddr)
71103bed
KP		 10024{
10025#ifdef CONFIG_LIBNL3_ROUTE
10026 struct i802_bss *bss = priv;
10027 struct wpa_driver_nl80211_data *drv = bss->drv;
10028 struct rtnl_neigh *rn;
10029 struct nl_addr *nl_ipaddr;
ed4ddb6d 10030 int family, addrsize;
71103bed
KP		 10031 int res;
10032
ed4ddb6d 10033 if (!ipaddr)
71103bed
KP		 10034 return -EINVAL;
10035
ed4ddb6d
KP		 10036 if (version == 4) {
10037 family = AF_INET;
10038 addrsize = 4;
10039 } else if (version == 6) {
10040 family = AF_INET6;
10041 addrsize = 16;
10042 } else {
10043 return -EINVAL;
10044 }
10045
71103bed
KP		 10046 if (bss->br_ifindex == 0) {
10047 wpa_printf(MSG_DEBUG,
10048 "nl80211: bridge must be set to delete an ip neigh");
10049 return -1;
10050 }
10051
10052 if (!drv->rtnl_sk) {
10053 wpa_printf(MSG_DEBUG,
10054 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
10055 return -1;
10056 }
10057
10058 rn = rtnl_neigh_alloc();
10059 if (rn == NULL)
10060 return -ENOMEM;
10061
10062 /* set the destination ip address for neigh */
ed4ddb6d 10063 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 10064 if (nl_ipaddr == NULL) {
10065 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
10066 res = -ENOMEM;
10067 goto errout;
10068 }
10069 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
10070 if (res) {
10071 wpa_printf(MSG_DEBUG,
10072 "nl80211: neigh set destination addr failed");
10073 goto errout;
10074 }
10075
10076 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
10077
10078 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
10079 if (res) {
10080 wpa_printf(MSG_DEBUG,
10081 "nl80211: Deleting bridge ip neigh failed: %s",
3ea58a05 10082 nl_geterror(res));
71103bed
KP		 10083 }
10084errout:
10085 if (nl_ipaddr)
10086 nl_addr_put(nl_ipaddr);
10087 if (rn)
10088 rtnl_neigh_put(rn);
10089 return res;
10090#else /* CONFIG_LIBNL3_ROUTE */
10091 return -1;
10092#endif /* CONFIG_LIBNL3_ROUTE */
10093}
10094
10095
73d2294f
KP		 10096static int linux_write_system_file(const char *path, unsigned int val)
10097{
10098 char buf[50];
10099 int fd, len;
10100
10101 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 10102 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP		 10103 return -1;
10104
10105 fd = open(path, O_WRONLY);
10106 if (fd < 0)
10107 return -1;
10108
10109 if (write(fd, buf, len) < 0) {
10110 wpa_printf(MSG_DEBUG,
10111 "nl80211: Failed to write Linux system file: %s with the value of %d",
10112 path, val);
10113 close(fd);
10114 return -1;
10115 }
10116 close(fd);
10117
10118 return 0;
10119}
10120
10121
10122static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
10123{
10124 switch (attr) {
10125 case DRV_BR_PORT_ATTR_PROXYARP:
bea8d9a3 10126 return "proxyarp_wifi";
73d2294f
KP		 10127 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
10128 return "hairpin_mode";
10129 }
10130
10131 return NULL;
10132}
10133
10134
10135static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
10136 unsigned int val)
10137{
10138 struct i802_bss *bss = priv;
10139 char path[128];
10140 const char *attr_txt;
10141
10142 attr_txt = drv_br_port_attr_str(attr);
10143 if (attr_txt == NULL)
10144 return -EINVAL;
10145
10146 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
10147 bss->ifname, attr_txt);
10148
10149 if (linux_write_system_file(path, val))
10150 return -1;
10151
10152 return 0;
10153}
10154
10155
7565752d
KP		 10156static const char * drv_br_net_param_str(enum drv_br_net_param param)
10157{
10158 switch (param) {
10159 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10160 return "arp_accept";
60eb9e17
JM		 10161 default:
10162 return NULL;
7565752d 10163 }
7565752d
KP		 10164}
10165
10166
10167static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
10168 unsigned int val)
10169{
10170 struct i802_bss *bss = priv;
10171 char path[128];
10172 const char *param_txt;
10173 int ip_version = 4;
10174
60eb9e17
JM		 10175 if (param == DRV_BR_MULTICAST_SNOOPING) {
10176 os_snprintf(path, sizeof(path),
10177 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
10178 bss->brname);
10179 goto set_val;
10180 }
10181
7565752d
KP		 10182 param_txt = drv_br_net_param_str(param);
10183 if (param_txt == NULL)
10184 return -EINVAL;
10185
10186 switch (param) {
10187 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10188 ip_version = 4;
10189 break;
10190 default:
10191 return -EINVAL;
10192 }
10193
10194 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
10195 ip_version, bss->brname, param_txt);
10196
60eb9e17 10197set_val:
7565752d
KP		 10198 if (linux_write_system_file(path, val))
10199 return -1;
10200
10201 return 0;
10202}
10203
10204
b658547d
JM		 10205#ifdef CONFIG_DRIVER_NL80211_QCA
10206
16689c7c
PX		 10207static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
10208{
10209 switch (hw_mode) {
10210 case HOSTAPD_MODE_IEEE80211B:
10211 return QCA_ACS_MODE_IEEE80211B;
10212 case HOSTAPD_MODE_IEEE80211G:
10213 return QCA_ACS_MODE_IEEE80211G;
10214 case HOSTAPD_MODE_IEEE80211A:
10215 return QCA_ACS_MODE_IEEE80211A;
10216 case HOSTAPD_MODE_IEEE80211AD:
10217 return QCA_ACS_MODE_IEEE80211AD;
3784c058
PX		 10218 case HOSTAPD_MODE_IEEE80211ANY:
10219 return QCA_ACS_MODE_IEEE80211ANY;
16689c7c
PX		 10220 default:
10221 return -1;
10222 }
10223}
10224
10225
e86ba912
AB		 10226static int add_acs_ch_list(struct nl_msg *msg, const int *freq_list)
10227{
10228 int num_channels = 0, num_freqs;
10229 u8 *ch_list;
10230 enum hostapd_hw_mode hw_mode;
10231 int ret = 0;
10232 int i;
10233
10234 if (!freq_list)
10235 return 0;
10236
10237 num_freqs = int_array_len(freq_list);
10238 ch_list = os_malloc(sizeof(u8) * num_freqs);
10239 if (!ch_list)
10240 return -1;
10241
10242 for (i = 0; i < num_freqs; i++) {
10243 const int freq = freq_list[i];
10244
10245 if (freq == 0)
10246 break;
10247 /* Send 2.4 GHz and 5 GHz channels with
10248 * QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST to maintain backwards
10249 * compatibility.
10250 */
10251 if (!(freq >= 2412 && freq <= 2484) &&
10252 !(freq >= 5180 && freq <= 5900))
10253 continue;
10254 hw_mode = ieee80211_freq_to_chan(freq, &ch_list[num_channels]);
10255 if (hw_mode != NUM_HOSTAPD_MODES)
10256 num_channels++;
10257 }
10258
10259 if (num_channels)
10260 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST,
10261 num_channels, ch_list);
10262
10263 os_free(ch_list);
10264 return ret;
10265}
10266
10267
d0cdccd3
PX		 10268static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
10269{
10270 int i, len, ret;
10271 u32 *freqs;
10272
10273 if (!freq_list)
10274 return 0;
10275 len = int_array_len(freq_list);
10276 freqs = os_malloc(sizeof(u32) * len);
10277 if (!freqs)
10278 return -1;
10279 for (i = 0; i < len; i++)
10280 freqs[i] = freq_list[i];
10281 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
10282 sizeof(u32) * len, freqs);
10283 os_free(freqs);
10284 return ret;
10285}
10286
10287
16689c7c
PX		 10288static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
10289{
10290 struct i802_bss *bss = priv;
10291 struct wpa_driver_nl80211_data *drv = bss->drv;
10292 struct nl_msg *msg;
10293 struct nlattr *data;
a862e4a3 10294 int ret;
16689c7c
PX		 10295 int mode;
10296
10297 mode = hw_mode_to_qca_acs(params->hw_mode);
10298 if (mode < 0)
10299 return -1;
10300
9725b784 10301 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 10302 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10303 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10304 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
10305 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10306 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
10307 (params->ht_enabled &&
10308 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
10309 (params->ht40_enabled &&
857d9422
MM		 10310 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
10311 (params->vht_enabled &&
10312 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
10313 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
10314 params->ch_width) ||
e86ba912 10315 add_acs_ch_list(msg, params->freq_list) ||
d0cdccd3 10316 add_acs_freq_list(msg, params->freq_list)) {
a862e4a3
JM		 10317 nlmsg_free(msg);
10318 return -ENOBUFS;
10319 }
16689c7c
PX		 10320 nla_nest_end(msg, data);
10321
857d9422 10322 wpa_printf(MSG_DEBUG,
e86ba912 10323 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d",
857d9422 10324 params->hw_mode, params->ht_enabled, params->ht40_enabled,
e86ba912 10325 params->vht_enabled, params->ch_width);
857d9422 10326
16689c7c 10327 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX		 10328 if (ret) {
10329 wpa_printf(MSG_DEBUG,
10330 "nl80211: Failed to invoke driver ACS function: %s",
3ea58a05 10331 strerror(-ret));
16689c7c 10332 }
16689c7c
PX		 10333 return ret;
10334}
10335
10336
844dfeb8
SD		 10337static int nl80211_set_band(void *priv, enum set_band band)
10338{
10339 struct i802_bss *bss = priv;
10340 struct wpa_driver_nl80211_data *drv = bss->drv;
10341 struct nl_msg *msg;
10342 struct nlattr *data;
10343 int ret;
10344 enum qca_set_band qca_band;
10345
10346 if (!drv->setband_vendor_cmd_avail)
10347 return -1;
10348
10349 switch (band) {
10350 case WPA_SETBAND_AUTO:
10351 qca_band = QCA_SETBAND_AUTO;
10352 break;
10353 case WPA_SETBAND_5G:
10354 qca_band = QCA_SETBAND_5G;
10355 break;
10356 case WPA_SETBAND_2G:
10357 qca_band = QCA_SETBAND_2G;
10358 break;
10359 default:
10360 return -1;
10361 }
10362
10363 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10364 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10365 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10366 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
10367 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10368 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
10369 nlmsg_free(msg);
10370 return -ENOBUFS;
10371 }
10372 nla_nest_end(msg, data);
10373
10374 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10375 if (ret) {
10376 wpa_printf(MSG_DEBUG,
10377 "nl80211: Driver setband function failed: %s",
3ea58a05 10378 strerror(-ret));
844dfeb8
SD		 10379 }
10380 return ret;
10381}
10382
10383
98342208
AK		 10384struct nl80211_pcl {
10385 unsigned int num;
10386 unsigned int *freq_list;
10387};
10388
10389static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
10390{
10391 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10392 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10393 struct nl80211_pcl *param = arg;
10394 struct nlattr *nl_vend, *attr;
10395 enum qca_iface_type iface_type;
10396 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10397 unsigned int num, max_num;
10398 u32 *freqs;
10399
10400 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10401 genlmsg_attrlen(gnlh, 0), NULL);
10402
10403 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
10404 if (!nl_vend)
10405 return NL_SKIP;
10406
10407 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10408 nla_data(nl_vend), nla_len(nl_vend), NULL);
10409
10410 attr = tb_vendor[
10411 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
10412 if (!attr) {
10413 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
10414 param->num = 0;
10415 return NL_SKIP;
10416 }
10417
10418 iface_type = (enum qca_iface_type) nla_get_u32(attr);
10419 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
10420 iface_type);
10421
10422 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
10423 if (!attr) {
10424 wpa_printf(MSG_ERROR,
10425 "nl80211: preferred_freq_list couldn't be found");
10426 param->num = 0;
10427 return NL_SKIP;
10428 }
10429
10430 /*
10431 * param->num has the maximum number of entries for which there
10432 * is room in the freq_list provided by the caller.
10433 */
10434 freqs = nla_data(attr);
10435 max_num = nla_len(attr) / sizeof(u32);
10436 if (max_num > param->num)
10437 max_num = param->num;
10438 for (num = 0; num < max_num; num++)
10439 param->freq_list[num] = freqs[num];
10440 param->num = num;
10441
10442 return NL_SKIP;
10443}
10444
10445
10446static int nl80211_get_pref_freq_list(void *priv,
10447 enum wpa_driver_if_type if_type,
10448 unsigned int *num,
10449 unsigned int *freq_list)
10450{
10451 struct i802_bss *bss = priv;
10452 struct wpa_driver_nl80211_data *drv = bss->drv;
10453 struct nl_msg *msg;
10454 int ret;
10455 unsigned int i;
10456 struct nlattr *params;
10457 struct nl80211_pcl param;
10458 enum qca_iface_type iface_type;
10459
10460 if (!drv->get_pref_freq_list)
10461 return -1;
10462
10463 switch (if_type) {
10464 case WPA_IF_STATION:
10465 iface_type = QCA_IFACE_TYPE_STA;
10466 break;
10467 case WPA_IF_AP_BSS:
10468 iface_type = QCA_IFACE_TYPE_AP;
10469 break;
10470 case WPA_IF_P2P_GO:
10471 iface_type = QCA_IFACE_TYPE_P2P_GO;
10472 break;
10473 case WPA_IF_P2P_CLIENT:
10474 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
10475 break;
10476 case WPA_IF_IBSS:
10477 iface_type = QCA_IFACE_TYPE_IBSS;
10478 break;
10479 case WPA_IF_TDLS:
10480 iface_type = QCA_IFACE_TYPE_TDLS;
10481 break;
10482 default:
10483 return -1;
10484 }
10485
10486 param.num = *num;
10487 param.freq_list = freq_list;
10488
10489 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10490 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
10491 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10492 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10493 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
10494 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10495 nla_put_u32(msg,
10496 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
10497 iface_type)) {
10498 wpa_printf(MSG_ERROR,
10499 "%s: err in adding vendor_cmd and vendor_data",
10500 __func__);
10501 nlmsg_free(msg);
10502 return -1;
10503 }
10504 nla_nest_end(msg, params);
10505
10506 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
10507 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
10508 if (ret) {
10509 wpa_printf(MSG_ERROR,
10510 "%s: err in send_and_recv_msgs", __func__);
10511 return ret;
10512 }
10513
10514 *num = param.num;
10515
10516 for (i = 0; i < *num; i++) {
10517 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
10518 i, freq_list[i]);
10519 }
10520
10521 return 0;
10522}
10523
10524
7c813acf
AK		 10525static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
10526{
10527 struct i802_bss *bss = priv;
10528 struct wpa_driver_nl80211_data *drv = bss->drv;
10529 struct nl_msg *msg;
10530 int ret;
10531 struct nlattr *params;
10532
10533 if (!drv->set_prob_oper_freq)
10534 return -1;
10535
10536 wpa_printf(MSG_DEBUG,
10537 "nl80211: Set P2P probable operating freq %u for ifindex %d",
10538 freq, bss->ifindex);
10539
10540 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10541 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10542 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10543 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
10544 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10545 nla_put_u32(msg,
10546 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
10547 QCA_IFACE_TYPE_P2P_CLIENT) ||
10548 nla_put_u32(msg,
10549 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
10550 freq)) {
10551 wpa_printf(MSG_ERROR,
10552 "%s: err in adding vendor_cmd and vendor_data",
10553 __func__);
10554 nlmsg_free(msg);
10555 return -1;
10556 }
10557 nla_nest_end(msg, params);
10558
10559 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10560 msg = NULL;
10561 if (ret) {
10562 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
10563 __func__);
10564 return ret;
10565 }
10566 nlmsg_free(msg);
10567 return 0;
10568}
10569
a6f5b193
PX		 10570
10571static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
10572 unsigned int period, unsigned int interval,
10573 unsigned int count, const u8 *device_types,
10574 size_t dev_types_len,
10575 const u8 *ies, size_t ies_len)
10576{
10577 struct i802_bss *bss = priv;
10578 struct wpa_driver_nl80211_data *drv = bss->drv;
10579 struct nl_msg *msg;
10580 struct nlattr *container;
10581 int ret;
10582
10583 wpa_printf(MSG_DEBUG,
10584 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
10585 freq, period, interval, count);
10586
10587 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10588 return -1;
10589
10590 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10591 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10592 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10593 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
10594 goto fail;
10595
10596 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10597 if (!container)
10598 goto fail;
10599
10600 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
10601 freq) ||
10602 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
10603 period) ||
10604 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
10605 interval) ||
10606 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
10607 count) ||
10608 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
10609 dev_types_len, device_types) ||
10610 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
10611 ies_len, ies))
10612 goto fail;
10613
10614 nla_nest_end(msg, container);
10615 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10616 msg = NULL;
10617 if (ret) {
10618 wpa_printf(MSG_DEBUG,
10619 "nl80211: Failed to send P2P Listen offload vendor command");
10620 goto fail;
10621 }
10622
10623 return 0;
10624
10625fail:
10626 nlmsg_free(msg);
10627 return -1;
10628}
10629
10630
10631static int nl80211_p2p_lo_stop(void *priv)
10632{
10633 struct i802_bss *bss = priv;
10634 struct wpa_driver_nl80211_data *drv = bss->drv;
10635 struct nl_msg *msg;
10636
10637 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
10638
10639 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10640 return -1;
10641
10642 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10643 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10644 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10645 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
10646 nlmsg_free(msg);
10647 return -1;
10648 }
10649
10650 return send_and_recv_msgs(drv, msg, NULL, NULL);
10651}
10652
2e4e4fb7
SD		 10653
10654static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
10655{
10656 struct i802_bss *bss = priv;
10657 struct wpa_driver_nl80211_data *drv = bss->drv;
10658 struct nl_msg *msg;
10659 struct nlattr *params;
10660 int ret;
10661 u32 tdls_mode;
10662
10663 wpa_printf(MSG_DEBUG,
10664 "nl80211: Set TDKS mode: tdls_external_control=%d",
10665 tdls_external_control);
10666
10667 if (tdls_external_control == 1)
10668 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
10669 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
10670 else
10671 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
10672
10673 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10674 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10675 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10676 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
10677 goto fail;
10678
10679 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10680 if (!params)
10681 goto fail;
10682
10683 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
10684 tdls_mode))
10685 goto fail;
10686
10687 nla_nest_end(msg, params);
10688
10689 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10690 msg = NULL;
10691 if (ret) {
10692 wpa_printf(MSG_ERROR,
10693 "nl80211: Set TDLS mode failed: ret=%d (%s)",
10694 ret, strerror(-ret));
10695 goto fail;
10696 }
10697 return 0;
10698fail:
10699 nlmsg_free(msg);
10700 return -1;
10701}
10702
3ab48492
KV		 10703
10704#ifdef CONFIG_MBO
10705
10706static enum mbo_transition_reject_reason
10707nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
10708{
10709 switch (status) {
10710 case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
10711 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
10712 case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
10713 return MBO_TRANSITION_REJECT_REASON_DELAY;
10714 case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
10715 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
10716 case QCA_STATUS_REJECT_LOW_RSSI:
10717 return MBO_TRANSITION_REJECT_REASON_RSSI;
10718 case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
10719 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
10720 case QCA_STATUS_REJECT_UNKNOWN:
10721 default:
10722 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
10723 }
10724}
10725
10726
10727static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
10728 struct nlattr *tb[], int num)
10729{
10730 enum qca_wlan_btm_candidate_status status;
10731 char buf[50];
10732
10733 os_memcpy(candidate->bssid,
10734 nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
10735 ETH_ALEN);
10736
10737 status = nla_get_u32(
10738 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
10739 candidate->is_accept = status == QCA_STATUS_ACCEPT;
10740 candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
10741
10742 if (candidate->is_accept)
10743 os_snprintf(buf, sizeof(buf), "Accepted");
10744 else
10745 os_snprintf(buf, sizeof(buf),
10746 "Rejected, Reject_reason: %d",
10747 candidate->reject_reason);
10748 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s",
10749 num, MAC2STR(candidate->bssid), buf);
10750}
10751
10752
10753static int
10754nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
10755{
10756 struct wpa_bss_candidate_info *info = arg;
10757 struct candidate_list *candidate = info->candidates;
10758 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
10759 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10760 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
10761 static struct nla_policy policy[
10762 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
10763 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
10764 .minlen = ETH_ALEN
10765 },
10766 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
10767 .type = NLA_U32,
10768 },
10769 };
10770 struct nlattr *attr;
10771 int rem;
10772 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10773 u8 num;
10774
10775 num = info->num; /* number of candidates sent to driver */
10776 info->num = 0;
10777 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10778 genlmsg_attrlen(gnlh, 0), NULL);
10779
10780 if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
10781 nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10782 tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
10783 !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
10784 return NL_SKIP;
10785
10786 wpa_printf(MSG_DEBUG,
10787 "nl80211: WNM Candidate list received from driver");
10788 nla_for_each_nested(attr,
10789 tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
10790 rem) {
10791 if (info->num >= num ||
10792 nla_parse_nested(
10793 tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
10794 attr, policy) ||
10795 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
10796 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
10797 break;
10798
10799 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
10800
10801 candidate++;
10802 info->num++;
10803 }
10804
10805 return NL_SKIP;
10806}
10807
10808
10809static struct wpa_bss_candidate_info *
10810nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
10811{
10812 struct i802_bss *bss = priv;
10813 struct wpa_driver_nl80211_data *drv = bss->drv;
10814 struct nl_msg *msg;
10815 struct nlattr *attr, *attr1, *attr2;
10816 struct wpa_bss_candidate_info *info;
10817 u8 i;
10818 int ret;
10819 u8 *pos;
10820
10821 if (!drv->fetch_bss_trans_status)
10822 return NULL;
10823
10824 info = os_zalloc(sizeof(*info));
10825 if (!info)
10826 return NULL;
10827 /* Allocate memory for number of candidates sent to driver */
10828 info->candidates = os_calloc(params->n_candidates,
10829 sizeof(*info->candidates));
10830 if (!info->candidates) {
10831 os_free(info);
10832 return NULL;
10833 }
10834
10835 /* Copy the number of candidates being sent to driver. This is used in
10836 * nl80211_get_bss_transition_status_handler() to limit the number of
10837 * candidates that can be populated in info->candidates and will be
10838 * later overwritten with the actual number of candidates received from
10839 * the driver.
10840 */
10841 info->num = params->n_candidates;
10842
10843 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10844 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10845 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10846 QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
10847 goto fail;
10848
10849 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10850 if (!attr)
10851 goto fail;
10852
10853 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
10854 params->mbo_transition_reason))
10855 goto fail;
10856
10857 attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
10858 if (!attr1)
10859 goto fail;
10860
10861 wpa_printf(MSG_DEBUG,
10862 "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
10863 params->mbo_transition_reason, params->n_candidates);
10864 pos = params->bssid;
10865 for (i = 0; i < params->n_candidates; i++) {
10866 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i,
10867 MAC2STR(pos));
10868 attr2 = nla_nest_start(msg, i);
10869 if (!attr2 ||
10870 nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
10871 ETH_ALEN, pos))
10872 goto fail;
10873 pos += ETH_ALEN;
10874 nla_nest_end(msg, attr2);
10875 }
10876
10877 nla_nest_end(msg, attr1);
10878 nla_nest_end(msg, attr);
10879
10880 ret = send_and_recv_msgs(drv, msg,
10881 nl80211_get_bss_transition_status_handler,
10882 info);
10883 msg = NULL;
10884 if (ret) {
10885 wpa_printf(MSG_ERROR,
10886 "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
10887 ret, strerror(-ret));
10888 goto fail;
10889 }
10890 return info;
10891
10892fail:
10893 nlmsg_free(msg);
10894 os_free(info->candidates);
10895 os_free(info);
10896 return NULL;
10897}
10898
178553b7
VK		 10899
10900/**
10901 * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
10902 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
10903 * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
10904 * Returns: 0 on success, -1 on failure
10905 */
10906static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
10907{
10908 struct i802_bss *bss = priv;
10909 struct wpa_driver_nl80211_data *drv = bss->drv;
10910 struct nl_msg *msg;
10911 struct nlattr *attr;
10912 int ret = -1;
10913
10914 if (!drv->set_wifi_conf_vendor_cmd_avail)
10915 return -1;
10916
10917 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10918 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10919 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10920 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
10921 goto fail;
10922
10923 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10924 if (!attr)
10925 goto fail;
10926
10927 wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
10928 ignore_disallow);
10929 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
10930 ignore_disallow))
10931 goto fail;
10932
10933 nla_nest_end(msg, attr);
10934
10935 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10936 msg = NULL;
10937 if (ret) {
10938 wpa_printf(MSG_ERROR,
10939 "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
10940 ret, strerror(-ret));
10941 goto fail;
10942 }
10943
10944fail:
10945 nlmsg_free(msg);
10946 return ret;
10947}
10948
3ab48492
KV		 10949#endif /* CONFIG_MBO */
10950
b658547d
JM		 10951#endif /* CONFIG_DRIVER_NL80211_QCA */
10952
7c813acf 10953
6922d440
IP		 10954static int nl80211_write_to_file(const char *name, unsigned int val)
10955{
10956 int fd, len;
10957 char tmp[128];
3b726df8 10958 int ret = 0;
6922d440
IP		 10959
10960 fd = open(name, O_RDWR);
10961 if (fd < 0) {
3b726df8
BN		 10962 int level;
10963 /*
10964 * Flags may not exist on older kernels, or while we're tearing
10965 * down a disappearing device.
10966 */
10967 if (errno == ENOENT) {
10968 ret = 0;
10969 level = MSG_DEBUG;
10970 } else {
10971 ret = -1;
10972 level = MSG_ERROR;
10973 }
10974 wpa_printf(level, "nl80211: Failed to open %s: %s",
6922d440 10975 name, strerror(errno));
3b726df8 10976 return ret;
6922d440
IP		 10977 }
10978
10979 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
10980 len = write(fd, tmp, len);
3b726df8
BN		 10981 if (len < 0) {
10982 ret = -1;
6922d440
IP		 10983 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
10984 name, strerror(errno));
3b726df8 10985 }
6922d440
IP		 10986 close(fd);
10987
3b726df8 10988 return ret;
6922d440
IP		 10989}
10990
10991
10992static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
10993{
10994 struct i802_bss *bss = priv;
10995 char path[128];
10996 int ret;
10997
10998 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
10999 filter_flags);
11000
11001 /* Configure filtering of unicast frame encrypted using GTK */
11002 ret = os_snprintf(path, sizeof(path),
11003 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
11004 bss->ifname);
bd86ea08
JM		 11005 if (os_snprintf_error(sizeof(path), ret))
11006 return -1;
6922d440
IP		 11007
11008 ret = nl80211_write_to_file(path,
11009 !!(filter_flags &
11010 WPA_DATA_FRAME_FILTER_FLAG_GTK));
11011 if (ret) {
11012 wpa_printf(MSG_ERROR,
11013 "nl80211: Failed to set IPv4 unicast in multicast filter");
11014 return ret;
11015 }
11016
11017 os_snprintf(path, sizeof(path),
11018 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
11019 bss->ifname);
11020 ret = nl80211_write_to_file(path,
11021 !!(filter_flags &
11022 WPA_DATA_FRAME_FILTER_FLAG_GTK));
11023
11024 if (ret) {
11025 wpa_printf(MSG_ERROR,
11026 "nl80211: Failed to set IPv6 unicast in multicast filter");
11027 return ret;
11028 }
11029
11030 /* Configure filtering of unicast frame encrypted using GTK */
11031 os_snprintf(path, sizeof(path),
11032 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
11033 bss->ifname);
11034 ret = nl80211_write_to_file(path,
11035 !!(filter_flags &
11036 WPA_DATA_FRAME_FILTER_FLAG_ARP));
11037 if (ret) {
11038 wpa_printf(MSG_ERROR,
11039 "nl80211: Failed set gratuitous ARP filter");
11040 return ret;
11041 }
11042
11043 /* Configure filtering of IPv6 NA frames */
11044 os_snprintf(path, sizeof(path),
11045 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
11046 bss->ifname);
11047 ret = nl80211_write_to_file(path,
11048 !!(filter_flags &
11049 WPA_DATA_FRAME_FILTER_FLAG_NA));
11050 if (ret) {
11051 wpa_printf(MSG_ERROR,
11052 "nl80211: Failed to set unsolicited NA filter");
11053 return ret;
11054 }
11055
11056 return 0;
11057}
11058
11059
cc9a2575
KV		 11060static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
11061 const u8 **ext_capa, const u8 **ext_capa_mask,
11062 unsigned int *ext_capa_len)
11063{
11064 struct i802_bss *bss = priv;
11065 struct wpa_driver_nl80211_data *drv = bss->drv;
11066 enum nl80211_iftype nlmode;
11067 unsigned int i;
11068
11069 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
11070 return -1;
11071
11072 nlmode = wpa_driver_nl80211_if_type(type);
11073
11074 /* By default, use the per-radio values */
11075 *ext_capa = drv->extended_capa;
11076 *ext_capa_mask = drv->extended_capa_mask;
11077 *ext_capa_len = drv->extended_capa_len;
11078
11079 /* Replace the default value if a per-interface type value exists */
11080 for (i = 0; i < drv->num_iface_ext_capa; i++) {
11081 if (nlmode == drv->iface_ext_capa[i].iftype) {
11082 *ext_capa = drv->iface_ext_capa[i].ext_capa;
11083 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
11084 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
11085 break;
11086 }
11087 }
11088
11089 return 0;
11090}
11091
11092
3c67e977
VK		 11093static int nl80211_update_connection_params(
11094 void *priv, struct wpa_driver_associate_params *params,
11095 enum wpa_drv_update_connect_params_mask mask)
11096{
11097 struct i802_bss *bss = priv;
11098 struct wpa_driver_nl80211_data *drv = bss->drv;
11099 struct nl_msg *msg;
11100 int ret = -1;
11101 enum nl80211_auth_type type;
11102
c574a3ff
SD		 11103 /* Update Connection Params is intended for drivers that implement
11104 * internal SME and expect these updated connection params from
11105 * wpa_supplicant. Do not send this request for the drivers using
11106 * SME from wpa_supplicant.
11107 */
11108 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
11109 return 0;
11110
3c67e977
VK		 11111 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
11112 if (!msg)
11113 goto fail;
11114
11115 wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
11116 drv->ifindex);
11117
11118 if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
11119 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
11120 params->wpa_ie))
11121 goto fail;
11122 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie,
11123 params->wpa_ie_len);
11124 }
11125
11126 if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
11127 type = get_nl_auth_type(params->auth_alg);
11128 if (type == NL80211_AUTHTYPE_MAX ||
11129 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
11130 goto fail;
11131 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
11132 }
11133
11134 if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
11135 nl80211_put_fils_connect_params(drv, params, msg))
11136 goto fail;
11137
11138 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11139 msg = NULL;
11140 if (ret)
11141 wpa_dbg(drv->ctx, MSG_DEBUG,
11142 "nl80211: Update connect params command failed: ret=%d (%s)",
11143 ret, strerror(-ret));
11144
11145fail:
11146 nlmsg_free(msg);
11147 return ret;
11148}
11149
11150
ba71cb82
SD		 11151static int nl80211_send_external_auth_status(void *priv,
11152 struct external_auth *params)
11153{
11154 struct i802_bss *bss = priv;
11155 struct wpa_driver_nl80211_data *drv = bss->drv;
11156 struct nl_msg *msg = NULL;
11157 int ret = -1;
11158
236e793e 11159 /* External auth command/status is intended for drivers that implement
1730a6a5
JM		 11160 * internal SME but want to offload authentication processing (e.g.,
11161 * SAE) to hostapd/wpa_supplicant. Do not send the status to drivers
236e793e
SD		 11162 * which do not support AP SME or use wpa_supplicant/hostapd SME.
11163 */
2552a373 11164 if ((is_ap_interface(drv->nlmode) && !bss->drv->device_ap_sme) ||
236e793e
SD		 11165 (drv->capa.flags & WPA_DRIVER_FLAGS_SME))
11166 return -1;
11167
ba71cb82
SD		 11168 wpa_dbg(drv->ctx, MSG_DEBUG,
11169 "nl80211: External auth status: %u", params->status);
11170
11171 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH);
11172 if (!msg ||
11173 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) ||
dd1a8cef 11174 (params->ssid && params->ssid_len &&
236e793e
SD		 11175 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
11176 (params->pmkid &&
11177 nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) ||
dd1a8cef
JM		 11178 (params->bssid &&
11179 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
ba71cb82
SD		 11180 goto fail;
11181 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11182 msg = NULL;
11183 if (ret) {
11184 wpa_printf(MSG_DEBUG,
11185 "nl80211: External Auth status update failed: ret=%d (%s)",
11186 ret, strerror(-ret));
11187 goto fail;
11188 }
11189fail:
11190 nlmsg_free(msg);
11191 return ret;
11192}
11193
11194
5abc7823
VN		 11195static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
11196 int val)
11197{
11198 struct i802_bss *bss = priv;
11199 struct wpa_driver_nl80211_data *drv = bss->drv;
11200 struct nl_msg *msg;
11201 int ret = -ENOBUFS;
11202
11203 wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
11204 val ? "Enable" : "Disable", bridge_ifname);
11205
11206 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
11207 if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
11208 goto fail;
11209
11210 if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
11211 if (linux_br_del_if(drv->global->ioctl_sock,
11212 bridge_ifname, bss->ifname)) {
11213 wpa_printf(MSG_ERROR,
11214 "nl80211: Failed to remove interface %s from bridge %s",
11215 bss->ifname, bridge_ifname);
11216 return -1;
11217 }
11218 bss->added_if_into_bridge = 0;
11219 }
11220
11221 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11222 msg = NULL;
11223 if (!ret) {
11224 if (bridge_ifname[0] && val &&
11225 i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
11226 return -1;
11227 return 0;
11228 }
11229
11230fail:
11231 nlmsg_free(msg);
11232 wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
11233
11234 return ret;
11235}
11236
11237
3f5285e8
JM		 11238const struct wpa_driver_ops wpa_driver_nl80211_ops = {
11239 .name = "nl80211",
11240 .desc = "Linux nl80211/cfg80211",
11241 .get_bssid = wpa_driver_nl80211_get_bssid,
11242 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 11243 .set_key = driver_nl80211_set_key,
11244 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 11245 .sched_scan = wpa_driver_nl80211_sched_scan,
11246 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 11247 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
4f30addb 11248 .abort_scan = wpa_driver_nl80211_abort_scan,
9ebce9c5
JM		 11249 .deauthenticate = driver_nl80211_deauthenticate,
11250 .authenticate = driver_nl80211_authenticate,
3f5285e8 11251 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 11252 .global_init = nl80211_global_init,
11253 .global_deinit = nl80211_global_deinit,
11254 .init2 = wpa_driver_nl80211_init,
9ebce9c5 11255 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 11256 .get_capa = wpa_driver_nl80211_get_capa,
11257 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 11258 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 11259 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 11260 .get_country = wpa_driver_nl80211_get_country,
19c3b566 11261 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 11262 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 11263 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 11264 .if_remove = driver_nl80211_if_remove,
11265 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 11266 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 11267 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 11268 .sta_remove = driver_nl80211_sta_remove,
8759e911 11269 .tx_control_port = nl80211_tx_control_port,
db149ac9 11270 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 11271 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
1d6f6385 11272 .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight,
c5121837 11273 .hapd_init = i802_init,
c5121837 11274 .hapd_deinit = i802_deinit,
f7b3920c 11275 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 11276 .get_seqnum = i802_get_seqnum,
11277 .flush = i802_flush,
c5121837
JM		 11278 .get_inact_sec = i802_get_inact_sec,
11279 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 11280 .set_rts = i802_set_rts,
11281 .set_frag = i802_set_frag,
c5121837 11282 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 11283 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 11284 .sta_deauth = i802_sta_deauth,
11285 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 11286 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 11287 .set_freq = i802_set_freq,
9ebce9c5 11288 .send_action = driver_nl80211_send_action,
5dfca53f 11289 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 11290 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
11291 .cancel_remain_on_channel =
11292 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 11293 .probe_req_report = driver_nl80211_probe_req_report,
af473088 11294 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 11295 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 11296 .resume = wpa_driver_nl80211_resume,
b625473c 11297 .signal_monitor = nl80211_signal_monitor,
1c5c7273 11298 .signal_poll = nl80211_signal_poll,
7f00dc6e 11299 .channel_info = nl80211_channel_info,
c55f774d 11300 .set_param = nl80211_set_param,
6859f1cb 11301 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 11302 .add_pmkid = nl80211_add_pmkid,
11303 .remove_pmkid = nl80211_remove_pmkid,
11304 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 11305 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 11306 .poll_client = nl80211_poll_client,
29f338af 11307 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 11308 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 11309 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 11310#ifdef CONFIG_TDLS
11311 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
11312 .tdls_oper = nl80211_tdls_oper,
72b2605f
AN		 11313 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
11314 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
03ea1786 11315#endif /* CONFIG_TDLS */
6a1ce395 11316 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
d1836e23 11317 .update_dh_ie = nl80211_update_dh_ie,
597b94f5 11318 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 11319 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 11320 .status = wpa_driver_nl80211_status,
1c4ffa87 11321 .switch_channel = nl80211_switch_channel,
0de38036
JM		 11322#ifdef ANDROID_P2P
11323 .set_noa = wpa_driver_set_p2p_noa,
11324 .get_noa = wpa_driver_get_p2p_noa,
11325 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
11326#endif /* ANDROID_P2P */
5e2c3490 11327#ifdef ANDROID
ded14ce9 11328#ifndef ANDROID_LIB_STUB
5e2c3490 11329 .driver_cmd = wpa_driver_nl80211_driver_cmd,
ded14ce9 11330#endif /* !ANDROID_LIB_STUB */
5e2c3490 11331#endif /* ANDROID */
adef8948 11332 .vendor_cmd = nl80211_vendor_cmd,
049105b4 11333 .set_qos_map = nl80211_set_qos_map,
82ba4f2d 11334 .get_wowlan = nl80211_get_wowlan,
e4fa8b12 11335 .set_wowlan = nl80211_set_wowlan,
fee354c7 11336 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 11337#ifdef CONFIG_MESH
11338 .init_mesh = wpa_driver_nl80211_init_mesh,
11339 .join_mesh = wpa_driver_nl80211_join_mesh,
11340 .leave_mesh = wpa_driver_nl80211_leave_mesh,
c36109e4 11341 .probe_mesh_link = nl80211_probe_mesh_link,
6c1664f6 11342#endif /* CONFIG_MESH */
71103bed
KP		 11343 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
11344 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 11345 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 11346 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB		 11347 .add_tx_ts = nl80211_add_ts,
11348 .del_tx_ts = nl80211_del_ts,
45e3fc72 11349 .get_ifindex = nl80211_get_ifindex,
b658547d 11350#ifdef CONFIG_DRIVER_NL80211_QCA
9607a1ae 11351 .roaming = nl80211_roaming,
d98038bb 11352 .disable_fils = nl80211_disable_fils,
16689c7c 11353 .do_acs = wpa_driver_do_acs,
844dfeb8 11354 .set_band = nl80211_set_band,
98342208 11355 .get_pref_freq_list = nl80211_get_pref_freq_list,
7c813acf 11356 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
a6f5b193
PX		 11357 .p2p_lo_start = nl80211_p2p_lo_start,
11358 .p2p_lo_stop = nl80211_p2p_lo_stop,
cc9985d1 11359 .set_default_scan_ies = nl80211_set_default_scan_ies,
2e4e4fb7 11360 .set_tdls_mode = nl80211_set_tdls_mode,
3ab48492
KV		 11361#ifdef CONFIG_MBO
11362 .get_bss_transition_status = nl80211_get_bss_transition_status,
178553b7 11363 .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
3ab48492 11364#endif /* CONFIG_MBO */
b04854ce 11365 .set_bssid_blacklist = nl80211_set_bssid_blacklist,
df3b2e22 11366 .add_sta_node = nl80211_add_sta_node,
b658547d 11367#endif /* CONFIG_DRIVER_NL80211_QCA */
6922d440 11368 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
cc9a2575 11369 .get_ext_capab = nl80211_get_ext_capab,
3c67e977 11370 .update_connect_params = nl80211_update_connection_params,
ba71cb82 11371 .send_external_auth_status = nl80211_send_external_auth_status,
5abc7823 11372 .set_4addr_mode = nl80211_set_4addr_mode,
3f5285e8 11373};
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