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nl80211: Check nla_nest_start() result for NL80211_ATTR_HE_OBSS_PD
[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
dd74ddd0
JM		 2945static int wpa_key_mgmt_to_suites(unsigned int key_mgmt_suites, u32 suites[],
2946 int max_suites)
2947{
2948 int num_suites = 0;
2949
2950#define __AKM(a, b) \
2951 if (num_suites < max_suites && \
2952 (key_mgmt_suites & (WPA_KEY_MGMT_ ## a))) \
2953 suites[num_suites++] = (RSN_AUTH_KEY_MGMT_ ## b)
2954 __AKM(IEEE8021X, UNSPEC_802_1X);
2955 __AKM(PSK, PSK_OVER_802_1X);
2956 __AKM(FT_IEEE8021X, FT_802_1X);
2957 __AKM(FT_PSK, FT_PSK);
2958 __AKM(IEEE8021X_SHA256, 802_1X_SHA256);
2959 __AKM(PSK_SHA256, PSK_SHA256);
2960 __AKM(SAE, SAE);
2961 __AKM(FT_SAE, FT_SAE);
2962 __AKM(CCKM, CCKM);
2963 __AKM(OSEN, OSEN);
2964 __AKM(IEEE8021X_SUITE_B, 802_1X_SUITE_B);
2965 __AKM(IEEE8021X_SUITE_B_192, 802_1X_SUITE_B_192);
2966 __AKM(FILS_SHA256, FILS_SHA256);
2967 __AKM(FILS_SHA384, FILS_SHA384);
2968 __AKM(FT_FILS_SHA256, FT_FILS_SHA256);
2969 __AKM(FT_FILS_SHA384, FT_FILS_SHA384);
2970 __AKM(OWE, OWE);
2971 __AKM(DPP, DPP);
2972 __AKM(FT_IEEE8021X_SHA384, FT_802_1X_SHA384);
2973#undef __AKM
2974
2975 return num_suites;
2976}
2977
2978
b658547d 2979#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 2980static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2981 const u8 *key, size_t key_len)
2982{
2983 struct nl_msg *msg;
a862e4a3 2984 int ret;
b41f2684 2985
15badebd 2986 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
b41f2684
CL		 2987 return 0;
2988
9725b784 2989 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 2990 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2991 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2992 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2993 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
bbd89bfc 2994 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 2995 nlmsg_free(msg);
2996 return -1;
2997 }
bbd89bfc 2998 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
b41f2684
CL		 2999 if (ret) {
3000 wpa_printf(MSG_DEBUG,
3001 "nl80211: Key management set key failed: ret=%d (%s)",
3002 ret, strerror(-ret));
3003 }
3004
b41f2684
CL		 3005 return ret;
3006}
b658547d 3007#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684
CL		 3008
3009
05fc7c68
AS		 3010static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv,
3011 const u8 *key, size_t key_len,
3012 const u8 *addr)
3013{
3014 struct nl_msg *msg = NULL;
3015 int ret;
3016
3017 /*
3018 * If the authenticator address is not set, assume it is
3019 * the current BSSID.
3020 */
3021 if (!addr && drv->associated)
3022 addr = drv->bssid;
3023 else if (!addr)
3024 return -1;
3025
3026 wpa_printf(MSG_DEBUG, "nl80211: Set PMK to the driver for " MACSTR,
3027 MAC2STR(addr));
3028 wpa_hexdump_key(MSG_DEBUG, "nl80211: PMK", key, key_len);
3029 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_PMK);
3030 if (!msg ||
3031 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
3032 nla_put(msg, NL80211_ATTR_PMK, key_len, key)) {
3033 nl80211_nlmsg_clear(msg);
3034 nlmsg_free(msg);
3035 return -ENOBUFS;
3036 }
3037
3038 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
3039 if (ret) {
3040 wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)",
3041 ret, strerror(-ret));
3042 }
3043
3044 return ret;
3045}
3046
3047
3df4c05a
JM		 3048static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
3049 struct wpa_driver_set_key_params *params)
3f5285e8 3050{
a2e40bb6 3051 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 3052 int ifindex;
83b83b46
AW		 3053 struct nl_msg *msg;
3054 struct nl_msg *key_msg;
1ad1cdc2 3055 int ret;
dc01de8a 3056 int tdls = 0;
3df4c05a
JM		 3057 const char *ifname = params->ifname;
3058 enum wpa_alg alg = params->alg;
3059 const u8 *addr = params->addr;
3060 int key_idx = params->key_idx;
3061 int set_tx = params->set_tx;
3062 const u8 *seq = params->seq;
3063 size_t seq_len = params->seq_len;
3064 const u8 *key = params->key;
3065 size_t key_len = params->key_len;
3066 int vlan_id = params->vlan_id;
3f5285e8 3067
e472e1b4
AS		 3068 /* Ignore for P2P Device */
3069 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
3070 return 0;
3071
3072 ifindex = if_nametoindex(ifname);
8393e1a0 3073 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 3074 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 3075 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 3076 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 3077#ifdef CONFIG_TDLS
dc01de8a 3078 if (key_idx == -1) {
8c66e185 3079 key_idx = 0;
dc01de8a
JM		 3080 tdls = 1;
3081 }
8c66e185 3082#endif /* CONFIG_TDLS */
3f5285e8 3083
b658547d 3084#ifdef CONFIG_DRIVER_NL80211_QCA
15badebd
CL		 3085 if (alg == WPA_ALG_PMK &&
3086 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
b41f2684
CL		 3087 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
3088 __func__);
3089 ret = issue_key_mgmt_set_key(drv, key, key_len);
3090 return ret;
3091 }
b658547d 3092#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 3093
05fc7c68 3094 if (alg == WPA_ALG_PMK &&
436ee2fd 3095 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
05fc7c68
AS		 3096 return nl80211_set_pmk(drv, key, key_len, addr);
3097
83b83b46
AW		 3098 key_msg = nlmsg_alloc();
3099 if (!key_msg)
3100 return -ENOBUFS;
3101
3f5285e8 3102 if (alg == WPA_ALG_NONE) {
95376e1a
JM		 3103 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
3104 if (!msg)
83b83b46 3105 goto fail2;
3f5285e8 3106 } else {
34651767
JM		 3107 u32 suite;
3108
3109 suite = wpa_alg_to_cipher_suite(alg, key_len);
3110 if (!suite)
83b83b46 3111 goto fail2;
95376e1a 3112 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
83b83b46
AW		 3113 if (!msg)
3114 goto fail2;
3115 if (nla_put(key_msg, NL80211_KEY_DATA, key_len, key) ||
3116 nla_put_u32(key_msg, NL80211_KEY_CIPHER, suite))
a862e4a3 3117 goto fail;
e6ef73f1 3118 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3f5285e8
JM		 3119 }
3120
e6ef73f1 3121 if (seq && seq_len) {
83b83b46 3122 if (nla_put(key_msg, NL80211_KEY_SEQ, seq_len, seq))
a862e4a3 3123 goto fail;
e6ef73f1
JM		 3124 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
3125 }
1ad1cdc2 3126
0382097e 3127 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8 3128 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
a862e4a3
JM		 3129 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
3130 goto fail;
89c38e32
JM		 3131
3132 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
3133 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
83b83b46 3134 if (nla_put_u32(key_msg, NL80211_KEY_TYPE,
a862e4a3
JM		 3135 NL80211_KEYTYPE_GROUP))
3136 goto fail;
89c38e32 3137 }
60ea8187 3138 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 3139 struct nlattr *types;
3140
60ea8187 3141 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8 3142
83b83b46 3143 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
a862e4a3 3144 if (!types ||
83b83b46 3145 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
a862e4a3 3146 goto fail;
83b83b46 3147 nla_nest_end(key_msg, types);
3f5285e8 3148 }
83b83b46
AW		 3149 if (nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3150 nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
a862e4a3 3151 goto fail;
83b83b46
AW		 3152 nl80211_nlmsg_clear(key_msg);
3153 nlmsg_free(key_msg);
3154 key_msg = NULL;
3f5285e8 3155
0f903f37
GG		 3156 if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
3157 wpa_printf(MSG_DEBUG, "nl80211: VLAN ID %d", vlan_id);
3158 if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id))
3159 goto fail;
3160 }
3161
bbd89bfc 3162 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
15664ad0 3163 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 3164 ret = 0;
3165 if (ret)
3166 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
3167 ret, strerror(-ret));
3f5285e8 3168
1ad1cdc2
JM		 3169 /*
3170 * If we failed or don't need to set the default TX key (below),
3171 * we're done here.
3172 */
dc01de8a 3173 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 3174 return ret;
b1f625e0 3175 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 3176 !is_broadcast_ether_addr(addr))
de12717a 3177 return ret;
3f5285e8 3178
83b83b46
AW		 3179 key_msg = nlmsg_alloc();
3180 if (!key_msg)
3181 return -ENOBUFS;
3182
95376e1a 3183 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
83b83b46
AW		 3184 if (!msg)
3185 goto fail2;
3186 if (!key_msg ||
3187 nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3188 nla_put_flag(key_msg, (alg == WPA_ALG_IGTK ||
3189 alg == WPA_ALG_BIP_GMAC_128 ||
3190 alg == WPA_ALG_BIP_GMAC_256 ||
3191 alg == WPA_ALG_BIP_CMAC_256) ?
3192 NL80211_KEY_DEFAULT_MGMT :
3193 NL80211_KEY_DEFAULT))
a862e4a3 3194 goto fail;
60ea8187 3195 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 3196 struct nlattr *types;
3197
83b83b46 3198 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
a862e4a3 3199 if (!types ||
83b83b46 3200 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
a862e4a3 3201 goto fail;
83b83b46 3202 nla_nest_end(key_msg, types);
60ea8187 3203 } else if (addr) {
8970bae8
JB		 3204 struct nlattr *types;
3205
83b83b46 3206 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
a862e4a3 3207 if (!types ||
83b83b46 3208 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
a862e4a3 3209 goto fail;
83b83b46 3210 nla_nest_end(key_msg, types);
60ea8187 3211 }
3f5285e8 3212
83b83b46
AW		 3213 if (nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
3214 goto fail;
3215 nl80211_nlmsg_clear(key_msg);
3216 nlmsg_free(key_msg);
3217 key_msg = NULL;
3218
0f903f37
GG		 3219 if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
3220 wpa_printf(MSG_DEBUG, "nl80211: set_key default - VLAN ID %d",
3221 vlan_id);
3222 if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id))
3223 goto fail;
3224 }
3225
1ad1cdc2
JM		 3226 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3227 if (ret == -ENOENT)
3228 ret = 0;
3229 if (ret)
3230 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
3231 "err=%d %s)", ret, strerror(-ret));
3232 return ret;
3f5285e8 3233
a862e4a3 3234fail:
bbd89bfc 3235 nl80211_nlmsg_clear(msg);
5883168a 3236 nlmsg_free(msg);
83b83b46
AW		 3237fail2:
3238 nl80211_nlmsg_clear(key_msg);
3239 nlmsg_free(key_msg);
6241fcb1 3240 return -ENOBUFS;
3f5285e8
JM		 3241}
3242
3243
71934751 3244static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 3245 int key_idx, int defkey,
3246 const u8 *seq, size_t seq_len,
3247 const u8 *key, size_t key_len)
3248{
3249 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
34651767
JM		 3250 u32 suite;
3251
0194fedb
JB		 3252 if (!key_attr)
3253 return -1;
3254
34651767
JM		 3255 suite = wpa_alg_to_cipher_suite(alg, key_len);
3256 if (!suite)
3257 return -1;
3258
a862e4a3
JM		 3259 if (defkey && alg == WPA_ALG_IGTK) {
3260 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
3261 return -1;
3262 } else if (defkey) {
3263 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
3264 return -1;
3265 }
0194fedb 3266
a862e4a3 3267 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
34651767 3268 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
a862e4a3
JM		 3269 (seq && seq_len &&
3270 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
3271 nla_put(msg, NL80211_KEY_DATA, key_len, key))
3272 return -1;
0194fedb
JB		 3273
3274 nla_nest_end(msg, key_attr);
3275
3276 return 0;
0194fedb
JB		 3277}
3278
c811d5bc 3279
cfaab580
ZY		 3280static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
3281 struct nl_msg *msg)
3282{
3283 int i, privacy = 0;
3284 struct nlattr *nl_keys, *nl_key;
3285
3286 for (i = 0; i < 4; i++) {
3287 if (!params->wep_key[i])
3288 continue;
3289 privacy = 1;
3290 break;
3291 }
ce04af5a
JM		 3292 if (params->wps == WPS_MODE_PRIVACY)
3293 privacy = 1;
3294 if (params->pairwise_suite &&
3295 params->pairwise_suite != WPA_CIPHER_NONE)
3296 privacy = 1;
3297
cfaab580
ZY		 3298 if (!privacy)
3299 return 0;
3300
a862e4a3
JM		 3301 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3302 return -ENOBUFS;
cfaab580
ZY		 3303
3304 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
3305 if (!nl_keys)
a862e4a3 3306 return -ENOBUFS;
cfaab580
ZY		 3307
3308 for (i = 0; i < 4; i++) {
3309 if (!params->wep_key[i])
3310 continue;
3311
3312 nl_key = nla_nest_start(msg, i);
a862e4a3
JM		 3313 if (!nl_key ||
3314 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3315 params->wep_key[i]) ||
3316 nla_put_u32(msg, NL80211_KEY_CIPHER,
3317 params->wep_key_len[i] == 5 ?
a042e39a
JM		 3318 RSN_CIPHER_SUITE_WEP40 :
3319 RSN_CIPHER_SUITE_WEP104) ||
a862e4a3
JM		 3320 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3321 (i == params->wep_tx_keyidx &&
3322 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3323 return -ENOBUFS;
cfaab580
ZY		 3324
3325 nla_nest_end(msg, nl_key);
3326 }
3327 nla_nest_end(msg, nl_keys);
3328
3329 return 0;
cfaab580
ZY		 3330}
3331
3332
477af8f8
JM		 3333int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3334 const u8 *addr, int cmd, u16 reason_code,
10d32e2c 3335 int local_state_change,
25ebd538 3336 struct nl_sock *nl_connect)
c2a04078 3337{
a862e4a3 3338 int ret;
c2a04078
JM		 3339 struct nl_msg *msg;
3340
9725b784 3341 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM		 3342 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3343 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3344 (local_state_change &&
3345 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3346 nlmsg_free(msg);
3347 return -1;
3348 }
c2a04078 3349
10d32e2c
CI		 3350 if (nl_connect)
3351 ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL);
3352 else
3353 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 3354 if (ret) {
3b7ea880
BG		 3355 wpa_dbg(drv->ctx, MSG_DEBUG,
3356 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3357 reason_code, ret, strerror(-ret));
c2a04078 3358 }
c2a04078
JM		 3359 return ret;
3360}
3f5285e8
JM		 3361
3362
cfaab580 3363static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
4be17ffb 3364 u16 reason_code,
25ebd538 3365 struct nl_sock *nl_connect)
cfaab580 3366{
3f53c006 3367 int ret;
b898b655 3368 int drv_associated = drv->associated;
3f53c006 3369
817762d9 3370 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 3371 nl80211_mark_disconnected(drv);
817762d9 3372 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006 3373 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
10d32e2c 3374 reason_code, 0, nl_connect);
3f53c006
JJ		 3375 /*
3376 * For locally generated disconnect, supplicant already generates a
3377 * DEAUTH event, so ignore the event from NL80211.
3378 */
b898b655 3379 drv->ignore_next_local_disconnect = drv_associated && (ret == 0);
3f53c006
JJ		 3380
3381 return ret;
cfaab580
ZY		 3382}
3383
3384
9ebce9c5 3385static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
4be17ffb 3386 const u8 *addr, u16 reason_code)
3f5285e8 3387{
a2e40bb6 3388 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 3389 int ret;
b898b655 3390 int drv_associated = drv->associated;
9392c9be
AS		 3391
3392 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3393 nl80211_mark_disconnected(drv);
666e508c 3394 return nl80211_leave_ibss(drv, 1);
9392c9be 3395 }
10d32e2c 3396 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
25ebd538 3397 struct nl_sock *nl_connect = NULL;
10d32e2c
CI		 3398
3399 if (bss->use_nl_connect)
3400 nl_connect = bss->nl_connect;
3401 return wpa_driver_nl80211_disconnect(drv, reason_code,
3402 nl_connect);
3403 }
2e75a2b3
JM		 3404 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3405 __func__, MAC2STR(addr), reason_code);
add9b7a4 3406 nl80211_mark_disconnected(drv);
d6a36f39 3407 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
10d32e2c 3408 reason_code, 0, NULL);
d6a36f39
JM		 3409 /*
3410 * For locally generated deauthenticate, supplicant already generates a
3411 * DEAUTH event, so ignore the event from NL80211.
3412 */
b898b655
HW		 3413 drv->ignore_next_local_deauth = drv_associated && (ret == 0);
3414
d6a36f39 3415 return ret;
3f5285e8
JM		 3416}
3417
3418
536fd62d
JM		 3419static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3420 struct wpa_driver_auth_params *params)
3421{
3422 int i;
3423
3424 drv->auth_freq = params->freq;
3425 drv->auth_alg = params->auth_alg;
3426 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3427 drv->auth_local_state_change = params->local_state_change;
3428 drv->auth_p2p = params->p2p;
3429
3430 if (params->bssid)
3431 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3432 else
3433 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3434
3435 if (params->ssid) {
3436 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3437 drv->auth_ssid_len = params->ssid_len;
3438 } else
3439 drv->auth_ssid_len = 0;
3440
3441
3442 os_free(drv->auth_ie);
3443 drv->auth_ie = NULL;
3444 drv->auth_ie_len = 0;
3445 if (params->ie) {
3446 drv->auth_ie = os_malloc(params->ie_len);
3447 if (drv->auth_ie) {
3448 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3449 drv->auth_ie_len = params->ie_len;
3450 }
3451 }
3452
3453 for (i = 0; i < 4; i++) {
3454 if (params->wep_key[i] && params->wep_key_len[i] &&
3455 params->wep_key_len[i] <= 16) {
3456 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3457 params->wep_key_len[i]);
3458 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3459 } else
3460 drv->auth_wep_key_len[i] = 0;
3461 }
3462}
3463
3464
4bd71954
JM		 3465static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3466{
3467 struct wpa_driver_nl80211_data *drv = bss->drv;
3468
3469 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3470 return;
3471
3472 /*
3473 * Looks like we failed to unmask 11b rates previously. This could
3474 * happen, e.g., if the interface was down at the point in time when a
3475 * P2P group was terminated.
3476 */
3477 wpa_printf(MSG_DEBUG,
3478 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3479 bss->ifname);
3480 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3481}
3482
3483
3c67e977
VK		 3484static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3485{
3486 if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3487 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3488 if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3489 return NL80211_AUTHTYPE_SHARED_KEY;
3490 if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3491 return NL80211_AUTHTYPE_NETWORK_EAP;
3492 if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3493 return NL80211_AUTHTYPE_FT;
3494 if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3495 return NL80211_AUTHTYPE_SAE;
3496 if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3497 return NL80211_AUTHTYPE_FILS_SK;
3498 if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3499 return NL80211_AUTHTYPE_FILS_SK_PFS;
3500
3501 return NL80211_AUTHTYPE_MAX;
3502}
3503
3504
c2a04078 3505static int wpa_driver_nl80211_authenticate(
9ebce9c5 3506 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 3507{
a2e40bb6 3508 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 3509 int ret = -1, i;
c2a04078
JM		 3510 struct nl_msg *msg;
3511 enum nl80211_auth_type type;
2f4f73b1 3512 enum nl80211_iftype nlmode;
6d6f4bb8 3513 int count = 0;
536fd62d 3514 int is_retry;
3df4c05a 3515 struct wpa_driver_set_key_params p;
536fd62d 3516
4bd71954
JM		 3517 nl80211_unmask_11b_rates(bss);
3518
536fd62d
JM		 3519 is_retry = drv->retry_auth;
3520 drv->retry_auth = 0;
e8d70a73 3521 drv->ignore_deauth_event = 0;
c2a04078 3522
add9b7a4 3523 nl80211_mark_disconnected(drv);
e6b8efeb 3524 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 3525 if (params->bssid)
3526 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3527 else
3528 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 3529 /* FIX: IBSS mode */
2f4f73b1
EP		 3530 nlmode = params->p2p ?
3531 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3532 if (drv->nlmode != nlmode &&
9ebce9c5 3533 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 3534 return -1;
3535
6d6f4bb8 3536retry:
c2a04078
JM		 3537 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3538 drv->ifindex);
a0b2f99b 3539
9725b784
JM		 3540 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3541 if (!msg)
3542 goto fail;
0194fedb 3543
3df4c05a
JM		 3544 os_memset(&p, 0, sizeof(p));
3545 p.ifname = bss->ifname;
3546 p.alg = WPA_ALG_WEP;
a0b2f99b
JM		 3547 for (i = 0; i < 4; i++) {
3548 if (!params->wep_key[i])
3549 continue;
3df4c05a
JM		 3550 p.key_idx = i;
3551 p.set_tx = i == params->wep_tx_keyidx;
3552 p.key = params->wep_key[i];
3553 p.key_len = params->wep_key_len[i];
3554 wpa_driver_nl80211_set_key(bss, &p);
0194fedb
JB		 3555 if (params->wep_tx_keyidx != i)
3556 continue;
3557 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM		 3558 params->wep_key[i], params->wep_key_len[i]))
3559 goto fail;
a0b2f99b
JM		 3560 }
3561
c2a04078
JM		 3562 if (params->bssid) {
3563 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3564 MAC2STR(params->bssid));
a862e4a3
JM		 3565 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3566 goto fail;
c2a04078
JM		 3567 }
3568 if (params->freq) {
3569 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 3570 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3571 goto fail;
c2a04078
JM		 3572 }
3573 if (params->ssid) {
21cd8f83
JM		 3574 wpa_printf(MSG_DEBUG, " * SSID=%s",
3575 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 3576 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3577 params->ssid))
3578 goto fail;
c2a04078
JM		 3579 }
3580 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM		 3581 if (params->ie &&
3582 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3583 goto fail;
ce16c489
JM		 3584 if (params->auth_data) {
3585 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
3586 params->auth_data_len);
3587 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
3588 params->auth_data))
a862e4a3 3589 goto fail;
569fed90 3590 }
3c67e977 3591 type = get_nl_auth_type(params->auth_alg);
c2a04078 3592 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 3593 if (type == NL80211_AUTHTYPE_MAX ||
3594 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 3595 goto fail;
77339912
JM		 3596 if (params->local_state_change) {
3597 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM		 3598 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3599 goto fail;
77339912 3600 }
c2a04078
JM		 3601
3602 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3603 msg = NULL;
3604 if (ret) {
3b7ea880 3605 wpa_dbg(drv->ctx, MSG_DEBUG,
f875da04
BG		 3606 "nl80211: MLME command failed (auth): count=%d ret=%d (%s)",
3607 count, ret, strerror(-ret));
6d6f4bb8 3608 count++;
f875da04
BG		 3609 if ((ret == -EALREADY || ret == -EEXIST) && count == 1 &&
3610 params->bssid && !params->local_state_change) {
6d6f4bb8
JM		 3611 /*
3612 * mac80211 does not currently accept new
3613 * authentication if we are already authenticated. As a
3614 * workaround, force deauthentication and try again.
3615 */
3616 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3617 "after forced deauthentication");
e8d70a73 3618 drv->ignore_deauth_event = 1;
6d6f4bb8 3619 wpa_driver_nl80211_deauthenticate(
5205c4f9 3620 bss, params->bssid,
6d6f4bb8
JM		 3621 WLAN_REASON_PREV_AUTH_NOT_VALID);
3622 nlmsg_free(msg);
3623 goto retry;
3624 }
536fd62d
JM		 3625
3626 if (ret == -ENOENT && params->freq && !is_retry) {
3627 /*
3628 * cfg80211 has likely expired the BSS entry even
3629 * though it was previously available in our internal
3630 * BSS table. To recover quickly, start a single
3631 * channel scan on the specified channel.
3632 */
3633 struct wpa_driver_scan_params scan;
3634 int freqs[2];
3635
3636 os_memset(&scan, 0, sizeof(scan));
3637 scan.num_ssids = 1;
3638 if (params->ssid) {
3639 scan.ssids[0].ssid = params->ssid;
3640 scan.ssids[0].ssid_len = params->ssid_len;
3641 }
3642 freqs[0] = params->freq;
3643 freqs[1] = 0;
3644 scan.freqs = freqs;
3645 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3646 "channel scan to refresh cfg80211 BSS "
3647 "entry");
3648 ret = wpa_driver_nl80211_scan(bss, &scan);
3649 if (ret == 0) {
3650 nl80211_copy_auth_params(drv, params);
3651 drv->scan_for_auth = 1;
3652 }
8c3ba078
JM		 3653 } else if (is_retry) {
3654 /*
3655 * Need to indicate this with an event since the return
3656 * value from the retry is not delivered to core code.
3657 */
3658 union wpa_event_data event;
3659 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3660 "failed");
3661 os_memset(&event, 0, sizeof(event));
3662 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3663 ETH_ALEN);
3664 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3665 &event);
536fd62d 3666 }
a862e4a3
JM		 3667 } else {
3668 wpa_printf(MSG_DEBUG,
3669 "nl80211: Authentication request send successfully");
c2a04078 3670 }
c2a04078 3671
a862e4a3 3672fail:
c2a04078
JM		 3673 nlmsg_free(msg);
3674 return ret;
3675}
3676
3677
f3407c66 3678int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM		 3679{
3680 struct wpa_driver_auth_params params;
834ee56f 3681 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 3682 int i;
3683
3684 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3685
3686 os_memset(&params, 0, sizeof(params));
3687 params.freq = drv->auth_freq;
3688 params.auth_alg = drv->auth_alg;
3689 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3690 params.local_state_change = drv->auth_local_state_change;
3691 params.p2p = drv->auth_p2p;
3692
3693 if (!is_zero_ether_addr(drv->auth_bssid_))
3694 params.bssid = drv->auth_bssid_;
3695
3696 if (drv->auth_ssid_len) {
3697 params.ssid = drv->auth_ssid;
3698 params.ssid_len = drv->auth_ssid_len;
3699 }
3700
3701 params.ie = drv->auth_ie;
3702 params.ie_len = drv->auth_ie_len;
3703
3704 for (i = 0; i < 4; i++) {
3705 if (drv->auth_wep_key_len[i]) {
3706 params.wep_key[i] = drv->auth_wep_key[i];
3707 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3708 }
3709 }
3710
3711 drv->retry_auth = 1;
3712 return wpa_driver_nl80211_authenticate(bss, &params);
3713}
3714
3715
9ebce9c5
JM		 3716static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3717 size_t data_len, int noack,
3718 unsigned int freq, int no_cck,
3719 int offchanok,
2d3943ce
AO		 3720 unsigned int wait_time,
3721 const u16 *csa_offs,
27cc06d0 3722 size_t csa_offs_len, int no_encrypt)
2c2010ac 3723{
a2e40bb6 3724 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 3725 struct ieee80211_mgmt *mgmt;
27cc06d0 3726 int encrypt = !no_encrypt;
2c2010ac 3727 u16 fc;
5ad372cc 3728 int use_cookie = 1;
0dae4354 3729 int res;
2c2010ac
JM		 3730
3731 mgmt = (struct ieee80211_mgmt *) data;
3732 fc = le_to_host16(mgmt->frame_control);
f95a4524 3733 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
27cc06d0 3734 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u no_encrypt=%d fc=0x%x (%s) nlmode=%d",
f95a4524 3735 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
27cc06d0 3736 no_encrypt, fc, fc2str(fc), drv->nlmode);
2c2010ac 3737
8e12685c
AS		 3738 if ((is_sta_interface(drv->nlmode) ||
3739 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 3740 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3741 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3742 /*
3743 * The use of last_mgmt_freq is a bit of a hack,
3744 * but it works due to the single-threaded nature
3745 * of wpa_supplicant.
3746 */
af964484
JM		 3747 if (freq == 0) {
3748 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3749 drv->last_mgmt_freq);
55231068 3750 freq = drv->last_mgmt_freq;
af964484 3751 }
5ad372cc
JM		 3752 wait_time = 0;
3753 use_cookie = 0;
3754 no_cck = 1;
3755 offchanok = 1;
3756 goto send_frame_cmd;
5582a5d1
JB		 3757 }
3758
61cbe2ff 3759 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 3760 if (freq == 0) {
3761 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3762 bss->freq);
55231068 3763 freq = bss->freq;
af964484 3764 }
5ad372cc
JM		 3765 if ((int) freq == bss->freq)
3766 wait_time = 0;
3767 goto send_frame_cmd;
86957e62
JM		 3768 }
3769
2c2010ac
JM		 3770 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3771 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3772 /*
3773 * Only one of the authentication frame types is encrypted.
3774 * In order for static WEP encryption to work properly (i.e.,
3775 * to not encrypt the frame), we need to tell mac80211 about
3776 * the frames that must not be encrypted.
3777 */
3778 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3779 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 3780 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3781 encrypt = 0;
2c2010ac
JM		 3782 }
3783
aad414e9
O		 3784 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_STATION &&
3785 (drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
3786 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
3787 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3788 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3789 freq = nl80211_get_assoc_freq(drv);
3790 wpa_printf(MSG_DEBUG,
3791 "nl80211: send_mlme - Use assoc_freq=%u for external auth",
3792 freq);
3793 }
3794
0dae4354
JM		 3795 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3796 freq = nl80211_get_assoc_freq(drv);
3797 wpa_printf(MSG_DEBUG,
3798 "nl80211: send_mlme - Use assoc_freq=%u for IBSS",
3799 freq);
3800 }
3801 if (freq == 0) {
3802 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - Use bss->freq=%u",
3803 bss->freq);
3804 freq = bss->freq;
3805 }
3806
3807 if (drv->use_monitor) {
3808 wpa_printf(MSG_DEBUG,
3809 "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3810 freq, bss->freq);
3811 return nl80211_send_monitor(drv, data, data_len, encrypt,
3812 noack);
3813 }
3814
5ad372cc
JM		 3815 if (noack || WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
3816 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
3817 use_cookie = 0;
3818send_frame_cmd:
9bedf900
JM		 3819#ifdef CONFIG_TESTING_OPTIONS
3820 if (no_encrypt && !encrypt && !drv->use_monitor) {
3821 wpa_printf(MSG_DEBUG,
3822 "nl80211: Request to send an unencrypted frame - use a monitor interface for this");
3823 if (nl80211_create_monitor_interface(drv) < 0)
3824 return -1;
3825 res = nl80211_send_monitor(drv, data, data_len, encrypt,
3826 noack);
3827 nl80211_remove_monitor_interface(drv);
3828 return res;
3829 }
3830#endif /* CONFIG_TESTING_OPTIONS */
3831
0dae4354
JM		 3832 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame_cmd");
3833 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, data_len,
5ad372cc 3834 use_cookie, no_cck, noack, offchanok,
0dae4354 3835 csa_offs, csa_offs_len);
0dae4354
JM		 3836
3837 return res;
55231068
JM		 3838}
3839
3840
cae87abd
JM		 3841static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3842{
3843 u8 rates[NL80211_MAX_SUPP_RATES];
3844 u8 rates_len = 0;
3845 int i;
3846
3847 if (!basic_rates)
3848 return 0;
3849
3850 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3851 rates[rates_len++] = basic_rates[i] / 5;
3852
3853 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3854}
3855
3856
31357268 3857static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47 3858 int slot, int ht_opmode, int ap_isolate,
cae87abd 3859 const int *basic_rates)
31357268
JM		 3860{
3861 struct wpa_driver_nl80211_data *drv = bss->drv;
3862 struct nl_msg *msg;
3863
13f83980 3864 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM		 3865 (cts >= 0 &&
3866 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3867 (preamble >= 0 &&
3868 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3869 (slot >= 0 &&
3870 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3871 (ht_opmode >= 0 &&
3872 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3873 (ap_isolate >= 0 &&
cae87abd
JM		 3874 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3875 nl80211_put_basic_rates(msg, basic_rates)) {
3876 nlmsg_free(msg);
3877 return -ENOBUFS;
e5693c47
JM		 3878 }
3879
31357268 3880 return send_and_recv_msgs(drv, msg, NULL, NULL);
31357268
JM		 3881}
3882
3883
3c4ca363
VN		 3884static int wpa_driver_nl80211_set_acl(void *priv,
3885 struct hostapd_acl_params *params)
3886{
3887 struct i802_bss *bss = priv;
3888 struct wpa_driver_nl80211_data *drv = bss->drv;
3889 struct nl_msg *msg;
f429ec44 3890 struct nl_msg *acl;
3c4ca363 3891 unsigned int i;
a862e4a3 3892 int ret;
3c4ca363
VN		 3893
3894 if (!(drv->capa.max_acl_mac_addrs))
3895 return -ENOTSUP;
3896
3897 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3898 return -ENOTSUP;
3899
3c4ca363
VN		 3900 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3901 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3902
f429ec44
JM		 3903 acl = nlmsg_alloc();
3904 if (!acl)
3905 return -ENOMEM;
3906 for (i = 0; i < params->num_mac_acl; i++) {
3907 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3908 nlmsg_free(acl);
3909 return -ENOMEM;
3910 }
3911 }
3912
9725b784 3913 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM		 3914 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3915 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3916 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
f429ec44 3917 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
a862e4a3 3918 nlmsg_free(msg);
f429ec44 3919 nlmsg_free(acl);
a862e4a3
JM		 3920 return -ENOMEM;
3921 }
f429ec44 3922 nlmsg_free(acl);
3c4ca363
VN		 3923
3924 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN		 3925 if (ret) {
3926 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3927 ret, strerror(-ret));
3928 }
3929
3c4ca363
VN		 3930 return ret;
3931}
3932
3933
85e1fad8
JM		 3934static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3935{
3936 if (beacon_int > 0) {
3937 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3938 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3939 beacon_int);
3940 }
3941
3942 return 0;
3943}
3944
3945
4ac2ea57
MH		 3946static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3947{
3948 if (dtim_period > 0) {
3949 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3950 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3951 }
3952
3953 return 0;
3954}
3955
3956
052b8d38
MH		 3957#ifdef CONFIG_MESH
3958static int nl80211_set_mesh_config(void *priv,
3959 struct wpa_driver_mesh_bss_params *params)
3960{
3961 struct i802_bss *bss = priv;
3962 struct wpa_driver_nl80211_data *drv = bss->drv;
3963 struct nl_msg *msg;
3964 int ret;
3965
3966 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3967 if (!msg)
3968 return -1;
3969
3970 ret = nl80211_put_mesh_config(msg, params);
3971 if (ret < 0) {
3972 nlmsg_free(msg);
3973 return ret;
3974 }
3975
3976 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3977 if (ret) {
3978 wpa_printf(MSG_ERROR,
3979 "nl80211: Mesh config set failed: %d (%s)",
3980 ret, strerror(-ret));
3981 return ret;
3982 }
3983 return 0;
3984}
3985#endif /* CONFIG_MESH */
3986
3987
d4f3003c
PK		 3988static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags,
3989 struct wpa_driver_ap_params *params)
3990{
3991 struct nlattr *bands, *band;
3992 struct nl80211_txrate_vht vht_rate;
3993
3994 if (!params->freq ||
3995 (params->beacon_rate == 0 &&
3996 params->rate_type == BEACON_RATE_LEGACY))
3997 return 0;
3998
3999 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
4000 if (!bands)
4001 return -1;
4002
4003 switch (params->freq->mode) {
4004 case HOSTAPD_MODE_IEEE80211B:
4005 case HOSTAPD_MODE_IEEE80211G:
4006 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
4007 break;
4008 case HOSTAPD_MODE_IEEE80211A:
4009 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
4010 break;
4011 case HOSTAPD_MODE_IEEE80211AD:
4012 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
4013 break;
4014 default:
4015 return 0;
4016 }
4017
4018 if (!band)
4019 return -1;
4020
4021 os_memset(&vht_rate, 0, sizeof(vht_rate));
4022
4023 switch (params->rate_type) {
4024 case BEACON_RATE_LEGACY:
4025 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
4026 wpa_printf(MSG_INFO,
4027 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
4028 return -1;
4029 }
4030
4031 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
4032 (u8) params->beacon_rate / 5) ||
4033 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
4034 (params->freq->vht_enabled &&
4035 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4036 &vht_rate)))
4037 return -1;
4038
4039 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
4040 params->beacon_rate);
4041 break;
4042 case BEACON_RATE_HT:
4043 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
4044 wpa_printf(MSG_INFO,
4045 "nl80211: Driver does not support setting Beacon frame rate (HT)");
4046 return -1;
4047 }
4048 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
4049 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
4050 (params->freq->vht_enabled &&
4051 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4052 &vht_rate)))
4053 return -1;
4054 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
4055 params->beacon_rate);
4056 break;
4057 case BEACON_RATE_VHT:
4058 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
4059 wpa_printf(MSG_INFO,
4060 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
4061 return -1;
4062 }
4063 vht_rate.mcs[0] = BIT(params->beacon_rate);
4064 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
4065 return -1;
4066 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
4067 return -1;
4068 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4069 &vht_rate))
4070 return -1;
4071 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
4072 params->beacon_rate);
4073 break;
4074 }
4075
4076 nla_nest_end(msg, band);
4077 nla_nest_end(msg, bands);
4078
4079 return 0;
4080}
4081
4082
34f7c699
MB		 4083static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
4084 int multicast_to_unicast)
4085{
4086 struct wpa_driver_nl80211_data *drv = bss->drv;
4087 struct nl_msg *msg;
4088 int ret;
4089
4090 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
4091 if (!msg ||
4092 (multicast_to_unicast &&
4093 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
4094 wpa_printf(MSG_ERROR,
4095 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
4096 bss->ifname);
4097 nlmsg_free(msg);
4098 return -ENOBUFS;
4099 }
4100
4101 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4102
4103 switch (ret) {
4104 case 0:
4105 wpa_printf(MSG_DEBUG,
4106 "nl80211: multicast to unicast %s on interface %s",
4107 multicast_to_unicast ? "enabled" : "disabled",
4108 bss->ifname);
4109 break;
4110 case -EOPNOTSUPP:
4111 if (!multicast_to_unicast)
4112 break;
4113 wpa_printf(MSG_INFO,
4114 "nl80211: multicast to unicast not supported on interface %s",
4115 bss->ifname);
4116 break;
4117 default:
4118 wpa_printf(MSG_ERROR,
4119 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
4120 multicast_to_unicast ? "enabling" : "disabling",
4121 ret, strerror(-ret), bss->ifname);
4122 break;
4123 }
4124
4125 return ret;
4126}
4127
4128
19c3b566
JM		 4129static int wpa_driver_nl80211_set_ap(void *priv,
4130 struct wpa_driver_ap_params *params)
d2440ba0 4131{
a2e40bb6
FF		 4132 struct i802_bss *bss = priv;
4133 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 4134 struct nl_msg *msg;
4135 u8 cmd = NL80211_CMD_NEW_BEACON;
5b82cdbe 4136 int ret = -ENOBUFS;
b4fd6fab 4137 int beacon_set;
b11d1d64 4138 int num_suites;
dd74ddd0 4139 u32 suites[20], suite;
b11d1d64 4140 u32 ver;
052b8d38
MH		 4141#ifdef CONFIG_MESH
4142 struct wpa_driver_mesh_bss_params mesh_params;
4143#endif /* CONFIG_MESH */
b4fd6fab 4144
f33c8606 4145 beacon_set = params->reenable ? 0 : bss->beacon_set;
d2440ba0 4146
d2440ba0 4147 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 4148 beacon_set);
4149 if (beacon_set)
d2440ba0 4150 cmd = NL80211_CMD_SET_BEACON;
89fa633a
DL		 4151 else if (!drv->device_ap_sme && !drv->use_monitor &&
4152 !nl80211_get_wiphy_data_ap(bss))
a70cd0db 4153 return -ENOBUFS;
d2440ba0 4154
b92e08fc
JM		 4155 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
4156 params->head, params->head_len);
b92e08fc
JM		 4157 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
4158 params->tail, params->tail_len);
13f83980 4159 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 4160 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
d4f3003c
PK		 4161 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
4162 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
b92e08fc 4163 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
21cd8f83
JM		 4164 wpa_printf(MSG_DEBUG, "nl80211: ssid=%s",
4165 wpa_ssid_txt(params->ssid, params->ssid_len));
13f83980 4166 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 4167 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
4168 params->head) ||
4169 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
4170 params->tail) ||
85e1fad8 4171 nl80211_put_beacon_int(msg, params->beacon_int) ||
d4f3003c 4172 nl80211_put_beacon_rate(msg, drv->capa.flags, params) ||
4ac2ea57 4173 nl80211_put_dtim_period(msg, params->dtim_period) ||
a862e4a3
JM		 4174 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4175 goto fail;
b92e08fc
JM		 4176 if (params->proberesp && params->proberesp_len) {
4177 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
4178 params->proberesp, params->proberesp_len);
a862e4a3
JM		 4179 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
4180 params->proberesp))
4181 goto fail;
b92e08fc 4182 }
97a7a0b5
JM		 4183 switch (params->hide_ssid) {
4184 case NO_SSID_HIDING:
b92e08fc 4185 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM		 4186 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4187 NL80211_HIDDEN_SSID_NOT_IN_USE))
4188 goto fail;
97a7a0b5
JM		 4189 break;
4190 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 4191 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM		 4192 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4193 NL80211_HIDDEN_SSID_ZERO_LEN))
4194 goto fail;
97a7a0b5
JM		 4195 break;
4196 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 4197 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM		 4198 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4199 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
4200 goto fail;
97a7a0b5
JM		 4201 break;
4202 }
b92e08fc 4203 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM		 4204 if (params->privacy &&
4205 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
4206 goto fail;
b92e08fc 4207 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 4208 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
4209 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
4210 /* Leave out the attribute */
a862e4a3
JM		 4211 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
4212 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4213 NL80211_AUTHTYPE_SHARED_KEY))
4214 goto fail;
4215 } else {
4216 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4217 NL80211_AUTHTYPE_OPEN_SYSTEM))
4218 goto fail;
4219 }
b11d1d64 4220
b92e08fc 4221 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 4222 ver = 0;
4223 if (params->wpa_version & WPA_PROTO_WPA)
4224 ver |= NL80211_WPA_VERSION_1;
4225 if (params->wpa_version & WPA_PROTO_RSN)
4226 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM		 4227 if (ver &&
4228 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4229 goto fail;
b11d1d64 4230
b92e08fc
JM		 4231 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
4232 params->key_mgmt_suites);
dd74ddd0
JM		 4233 num_suites = wpa_key_mgmt_to_suites(params->key_mgmt_suites,
4234 suites, ARRAY_SIZE(suites));
4235 if (num_suites > NL80211_MAX_NR_AKM_SUITES)
4236 wpa_printf(MSG_WARNING,
4237 "nl80211: Not enough room for all AKM suites (num_suites=%d > NL80211_MAX_NR_AKM_SUITES)",
4238 num_suites);
4239 else if (num_suites &&
4240 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
4241 suites))
a862e4a3 4242 goto fail;
b11d1d64 4243
533fe09b 4244 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
e3429c0b
JB		 4245 (!params->pairwise_ciphers ||
4246 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
4247 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
4248 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
a862e4a3 4249 goto fail;
9f12614b 4250
c8931afe
JM		 4251 if (drv->device_ap_sme &&
4252 (params->key_mgmt_suites & WPA_KEY_MGMT_SAE) &&
4253 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
4254 goto fail;
236e793e 4255
b92e08fc
JM		 4256 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
4257 params->pairwise_ciphers);
de4ed4a8
JM		 4258 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
4259 suites, ARRAY_SIZE(suites));
a862e4a3
JM		 4260 if (num_suites &&
4261 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4262 num_suites * sizeof(u32), suites))
4263 goto fail;
b11d1d64 4264
b92e08fc
JM		 4265 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
4266 params->group_cipher);
de4ed4a8 4267 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM		 4268 if (suite &&
4269 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
4270 goto fail;
d2440ba0 4271
fb91db56 4272 if (params->beacon_ies) {
b92e08fc
JM		 4273 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
4274 params->beacon_ies);
a862e4a3
JM		 4275 if (nla_put(msg, NL80211_ATTR_IE,
4276 wpabuf_len(params->beacon_ies),
4277 wpabuf_head(params->beacon_ies)))
4278 goto fail;
fb91db56
JM		 4279 }
4280 if (params->proberesp_ies) {
b92e08fc
JM		 4281 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
4282 params->proberesp_ies);
a862e4a3
JM		 4283 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
4284 wpabuf_len(params->proberesp_ies),
4285 wpabuf_head(params->proberesp_ies)))
4286 goto fail;
fb91db56
JM		 4287 }
4288 if (params->assocresp_ies) {
b92e08fc
JM		 4289 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
4290 params->assocresp_ies);
a862e4a3
JM		 4291 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
4292 wpabuf_len(params->assocresp_ies),
4293 wpabuf_head(params->assocresp_ies)))
4294 goto fail;
fb91db56
JM		 4295 }
4296
a0133ee1 4297 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 4298 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
4299 params->ap_max_inactivity);
a862e4a3
JM		 4300 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
4301 params->ap_max_inactivity))
4302 goto fail;
a0133ee1
VT		 4303 }
4304
abb8d08b
EP		 4305#ifdef CONFIG_P2P
4306 if (params->p2p_go_ctwindow > 0) {
4307 if (drv->p2p_go_ctwindow_supported) {
4308 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
4309 params->p2p_go_ctwindow);
4310 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
4311 params->p2p_go_ctwindow))
4312 goto fail;
4313 } else {
4314 wpa_printf(MSG_INFO,
4315 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
4316 }
4317 }
4318#endif /* CONFIG_P2P */
4319
86b5c400
LD		 4320 if (params->pbss) {
4321 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
4322 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4323 goto fail;
4324 }
4325
5b82cdbe
JB		 4326 if (params->ftm_responder) {
4327 struct nlattr *ftm;
4328
4329 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) {
4330 ret = -ENOTSUP;
4331 goto fail;
4332 }
4333
4334 ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER);
4335 if (!ftm ||
4336 nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) ||
4337 (params->lci &&
4338 nla_put(msg, NL80211_FTM_RESP_ATTR_LCI,
4339 wpabuf_len(params->lci),
4340 wpabuf_head(params->lci))) ||
4341 (params->civic &&
4342 nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC,
4343 wpabuf_len(params->civic),
4344 wpabuf_head(params->civic))))
4345 goto fail;
4346 nla_nest_end(msg, ftm);
4347 }
4348
a84bf443
JC		 4349#ifdef CONFIG_IEEE80211AX
4350 if (params->he_spr) {
4351 struct nlattr *spr;
4352
4353 spr = nla_nest_start(msg, NL80211_ATTR_HE_OBSS_PD);
4354 wpa_printf(MSG_DEBUG, "nl80211: he_spr=%d", params->he_spr);
4355
46cb0465
JM		 4356 if (!spr ||
4357 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
a84bf443
JC		 4358 params->he_spr_srg_obss_pd_min_offset) ||
4359 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
4360 params->he_spr_srg_obss_pd_max_offset))
4361 goto fail;
4362
4363 nla_nest_end(msg, spr);
4364 }
ab8c5535 4365
0b0ee0f1
JC		 4366 if (params->freq && params->freq->he_enabled) {
4367 struct nlattr *bss_color;
4368
4369 bss_color = nla_nest_start(msg, NL80211_ATTR_HE_BSS_COLOR);
4370 if (!bss_color ||
4371 (params->he_bss_color_disabled &&
4372 nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_DISABLED)) ||
4373 (params->he_bss_color_partial &&
4374 nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_PARTIAL)) ||
4375 nla_put_u8(msg, NL80211_HE_BSS_COLOR_ATTR_COLOR,
4376 params->he_bss_color))
4377 goto fail;
4378 nla_nest_end(msg, bss_color);
4379 }
4380
ab8c5535
JC		 4381 if (params->twt_responder) {
4382 wpa_printf(MSG_DEBUG, "nl80211: twt_responder=%d",
4383 params->twt_responder);
4384 if (nla_put_flag(msg, NL80211_ATTR_TWT_RESPONDER))
4385 goto fail;
4386 }
a84bf443
JC		 4387#endif /* CONFIG_IEEE80211AX */
4388
d2440ba0
JM		 4389 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4390 if (ret) {
4391 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
4392 ret, strerror(-ret));
b4fd6fab 4393 } else {
b4fd6fab 4394 bss->beacon_set = 1;
31357268 4395 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 4396 params->short_slot_time, params->ht_opmode,
e5693c47 4397 params->isolate, params->basic_rates);
34f7c699
MB		 4398 nl80211_set_multicast_to_unicast(bss,
4399 params->multicast_to_unicast);
e87ef751
PX		 4400 if (beacon_set && params->freq &&
4401 params->freq->bandwidth != bss->bandwidth) {
4402 wpa_printf(MSG_DEBUG,
4403 "nl80211: Update BSS %s bandwidth: %d -> %d",
4404 bss->ifname, bss->bandwidth,
4405 params->freq->bandwidth);
4406 ret = nl80211_set_channel(bss, params->freq, 1);
4407 if (ret) {
4408 wpa_printf(MSG_DEBUG,
4409 "nl80211: Frequency set failed: %d (%s)",
4410 ret, strerror(-ret));
4411 } else {
4412 wpa_printf(MSG_DEBUG,
4413 "nl80211: Frequency set succeeded for ht2040 coex");
4414 bss->bandwidth = params->freq->bandwidth;
4415 }
f5728d0a 4416 } else if (!beacon_set && params->freq) {
e87ef751
PX		 4417 /*
4418 * cfg80211 updates the driver on frequence change in AP
4419 * mode only at the point when beaconing is started, so
4420 * set the initial value here.
4421 */
4422 bss->bandwidth = params->freq->bandwidth;
4423 }
b4fd6fab 4424 }
052b8d38
MH		 4425
4426#ifdef CONFIG_MESH
4427 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
4428 os_memset(&mesh_params, 0, sizeof(mesh_params));
4429 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
4430 mesh_params.ht_opmode = params->ht_opmode;
4431 ret = nl80211_set_mesh_config(priv, &mesh_params);
4432 if (ret < 0)
4433 return ret;
4434 }
4435#endif /* CONFIG_MESH */
4436
d2440ba0 4437 return ret;
a862e4a3 4438fail:
5883168a 4439 nlmsg_free(msg);
5b82cdbe 4440 return ret;
d2440ba0
JM		 4441}
4442
4443
1c4ffa87 4444static int nl80211_put_freq_params(struct nl_msg *msg,
72b2605f 4445 const struct hostapd_freq_params *freq)
1581b38b 4446{
df4f9599
SE		 4447 enum hostapd_hw_mode hw_mode;
4448 int is_24ghz;
4449 u8 channel;
4450
1fc4ab23 4451 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
a862e4a3
JM		 4452 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4453 return -ENOBUFS;
4454
ad9a1bfe 4455 wpa_printf(MSG_DEBUG, " * he_enabled=%d", freq->he_enabled);
1fc4ab23
JM		 4456 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4457 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4458
df4f9599
SE		 4459 hw_mode = ieee80211_freq_to_chan(freq->freq, &channel);
4460 is_24ghz = hw_mode == HOSTAPD_MODE_IEEE80211G ||
4461 hw_mode == HOSTAPD_MODE_IEEE80211B;
4462
4463 if (freq->vht_enabled || (freq->he_enabled && !is_24ghz)) {
a862e4a3
JM		 4464 enum nl80211_chan_width cw;
4465
1fc4ab23 4466 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
89b800d7
JB		 4467 switch (freq->bandwidth) {
4468 case 20:
a862e4a3 4469 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB		 4470 break;
4471 case 40:
a862e4a3 4472 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB		 4473 break;
4474 case 80:
4475 if (freq->center_freq2)
a862e4a3 4476 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 4477 else
a862e4a3 4478 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB		 4479 break;
4480 case 160:
a862e4a3 4481 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB		 4482 break;
4483 default:
1c4ffa87 4484 return -EINVAL;
89b800d7 4485 }
a862e4a3 4486
1fc4ab23
JM		 4487 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4488 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4489 freq->center_freq1);
4490 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4491 freq->center_freq2);
a862e4a3
JM		 4492 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4493 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4494 freq->center_freq1) ||
4495 (freq->center_freq2 &&
4496 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
4497 freq->center_freq2)))
4498 return -ENOBUFS;
89b800d7 4499 } else if (freq->ht_enabled) {
a862e4a3
JM		 4500 enum nl80211_channel_type ct;
4501
1fc4ab23
JM		 4502 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4503 freq->sec_channel_offset);
89b800d7 4504 switch (freq->sec_channel_offset) {
f019981a 4505 case -1:
a862e4a3 4506 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM		 4507 break;
4508 case 1:
a862e4a3 4509 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM		 4510 break;
4511 default:
a862e4a3 4512 ct = NL80211_CHAN_HT20;
f019981a
JM		 4513 break;
4514 }
a862e4a3 4515
1fc4ab23 4516 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
a862e4a3
JM		 4517 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
4518 return -ENOBUFS;
dda5d9e3
AAL		 4519 } else if (freq->edmg.channels && freq->edmg.bw_config) {
4520 wpa_printf(MSG_DEBUG,
4521 " * EDMG configuration: channels=0x%x bw_config=%d",
4522 freq->edmg.channels, freq->edmg.bw_config);
4523 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
4524 freq->edmg.channels) ||
4525 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
4526 freq->edmg.bw_config))
4527 return -1;
3388e7b9
MH		 4528 } else {
4529 wpa_printf(MSG_DEBUG, " * channel_type=%d",
4530 NL80211_CHAN_NO_HT);
4531 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
4532 NL80211_CHAN_NO_HT))
4533 return -ENOBUFS;
f019981a 4534 }
1c4ffa87 4535 return 0;
1c4ffa87
AO		 4536}
4537
4538
e87ef751
PX		 4539static int nl80211_set_channel(struct i802_bss *bss,
4540 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 4541{
4542 struct wpa_driver_nl80211_data *drv = bss->drv;
4543 struct nl_msg *msg;
4544 int ret;
4545
4546 wpa_printf(MSG_DEBUG,
ad9a1bfe
JC		 4547 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
4548 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
1c4ffa87 4549 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 4550
9725b784
JM		 4551 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
4552 NL80211_CMD_SET_WIPHY);
4553 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM		 4554 nlmsg_free(msg);
4555 return -1;
4556 }
1581b38b 4557
d2440ba0 4558 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 4559 if (ret == 0) {
89b800d7 4560 bss->freq = freq->freq;
1581b38b 4561 return 0;
e4fb2167 4562 }
f019981a 4563 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 4564 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM		 4565 return -1;
4566}
4567
0f4e8b4f 4568
95ab6063
AN		 4569static u32 sta_flags_nl80211(int flags)
4570{
4571 u32 f = 0;
4572
4573 if (flags & WPA_STA_AUTHORIZED)
4574 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
4575 if (flags & WPA_STA_WMM)
4576 f |= BIT(NL80211_STA_FLAG_WME);
4577 if (flags & WPA_STA_SHORT_PREAMBLE)
4578 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
4579 if (flags & WPA_STA_MFP)
4580 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 4581 if (flags & WPA_STA_TDLS_PEER)
4582 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC		 4583 if (flags & WPA_STA_AUTHENTICATED)
4584 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
dc55b6b6
AB		 4585 if (flags & WPA_STA_ASSOCIATED)
4586 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
95ab6063
AN		 4587
4588 return f;
4589}
4590
4591
7c7e7877
BC		 4592#ifdef CONFIG_MESH
4593static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
4594{
4595 switch (state) {
d02e5498 4596 case PLINK_IDLE:
7c7e7877 4597 return NL80211_PLINK_LISTEN;
d02e5498 4598 case PLINK_OPN_SNT:
7c7e7877 4599 return NL80211_PLINK_OPN_SNT;
d02e5498 4600 case PLINK_OPN_RCVD:
7c7e7877
BC		 4601 return NL80211_PLINK_OPN_RCVD;
4602 case PLINK_CNF_RCVD:
4603 return NL80211_PLINK_CNF_RCVD;
4604 case PLINK_ESTAB:
4605 return NL80211_PLINK_ESTAB;
4606 case PLINK_HOLDING:
4607 return NL80211_PLINK_HOLDING;
4608 case PLINK_BLOCKED:
4609 return NL80211_PLINK_BLOCKED;
4610 default:
4611 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
4612 state);
4613 }
4614 return -1;
4615}
4616#endif /* CONFIG_MESH */
4617
4618
62847751 4619static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 4620 struct hostapd_sta_add_params *params)
4621{
a2e40bb6
FF		 4622 struct i802_bss *bss = priv;
4623 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 4624 struct nl_msg *msg;
95ab6063 4625 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 4626 int ret = -ENOBUFS;
4627
45b722f1
AN		 4628 if ((params->flags & WPA_STA_TDLS_PEER) &&
4629 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
4630 return -EOPNOTSUPP;
4631
e4dea253
JM		 4632 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
4633 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM		 4634 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
4635 NL80211_CMD_NEW_STATION);
4636 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 4637 goto fail;
5551bc9c 4638
dc55b6b6
AB		 4639 /*
4640 * Set the below properties only in one of the following cases:
4641 * 1. New station is added, already associated.
4642 * 2. Set WPA_STA_TDLS_PEER station.
4643 * 3. Set an already added unassociated station, if driver supports
4644 * full AP client state. (Set these properties after station became
4645 * associated will be rejected by the driver).
4646 */
4647 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4648 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4649 (params->flags & WPA_STA_ASSOCIATED))) {
5551bc9c
BC		 4650 wpa_hexdump(MSG_DEBUG, " * supported rates",
4651 params->supp_rates, params->supp_rates_len);
a862e4a3
JM		 4652 wpa_printf(MSG_DEBUG, " * capability=0x%x",
4653 params->capability);
4654 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
4655 params->supp_rates_len, params->supp_rates) ||
4656 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
4657 params->capability))
4658 goto fail;
e503861f
JM		 4659
4660 if (params->ht_capabilities) {
4661 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
4662 (u8 *) params->ht_capabilities,
4663 sizeof(*params->ht_capabilities));
a862e4a3
JM		 4664 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
4665 sizeof(*params->ht_capabilities),
4666 params->ht_capabilities))
4667 goto fail;
e503861f
JM		 4668 }
4669
4670 if (params->vht_capabilities) {
4671 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
4672 (u8 *) params->vht_capabilities,
4673 sizeof(*params->vht_capabilities));
a862e4a3
JM		 4674 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
4675 sizeof(*params->vht_capabilities),
4676 params->vht_capabilities))
4677 goto fail;
e503861f
JM		 4678 }
4679
59d9c3a1
JC		 4680 if (params->he_capab) {
4681 wpa_hexdump(MSG_DEBUG, " * he_capab",
4682 params->he_capab, params->he_capab_len);
4683 if (nla_put(msg, NL80211_ATTR_HE_CAPABILITY,
4684 params->he_capab_len, params->he_capab))
4685 goto fail;
4686 }
4687
e503861f
JM		 4688 if (params->ext_capab) {
4689 wpa_hexdump(MSG_DEBUG, " * ext_capab",
4690 params->ext_capab, params->ext_capab_len);
a862e4a3
JM		 4691 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4692 params->ext_capab_len, params->ext_capab))
4693 goto fail;
e503861f 4694 }
ae33239c
AB		 4695
4696 if (is_ap_interface(drv->nlmode) &&
4697 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4698 params->support_p2p_ps ?
4699 NL80211_P2P_PS_SUPPORTED :
4700 NL80211_P2P_PS_UNSUPPORTED))
4701 goto fail;
5551bc9c 4702 }
45b722f1 4703 if (!params->set) {
f11b72c3
JM		 4704 if (params->aid) {
4705 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM		 4706 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4707 goto fail;
f11b72c3
JM		 4708 } else {
4709 /*
4710 * cfg80211 validates that AID is non-zero, so we have
4711 * to make this a non-zero value for the TDLS case where
dc55b6b6
AB		 4712 * a dummy STA entry is used for now and for a station
4713 * that is still not associated.
f11b72c3 4714 */
dc55b6b6
AB		 4715 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4716 (params->flags & WPA_STA_TDLS_PEER) ?
4717 "TDLS" : "UNASSOC_STA");
a862e4a3
JM		 4718 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4719 goto fail;
f11b72c3 4720 }
e4dea253
JM		 4721 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4722 params->listen_interval);
a862e4a3
JM		 4723 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4724 params->listen_interval))
4725 goto fail;
e112764e
JM		 4726 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4727 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM		 4728 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4729 goto fail;
dc55b6b6
AB		 4730 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4731 (params->flags & WPA_STA_ASSOCIATED)) {
4732 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4733 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4734 params->listen_interval);
4735 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4736 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4737 params->listen_interval))
4738 goto fail;
45b722f1 4739 }
05a8d422 4740
8a458116
MK		 4741 if (params->vht_opmode_enabled) {
4742 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM		 4743 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4744 params->vht_opmode))
4745 goto fail;
8a458116
MK		 4746 }
4747
efc64886
SD		 4748 if (params->supp_channels) {
4749 wpa_hexdump(MSG_DEBUG, " * supported channels",
4750 params->supp_channels, params->supp_channels_len);
a862e4a3
JM		 4751 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4752 params->supp_channels_len, params->supp_channels))
4753 goto fail;
efc64886
SD		 4754 }
4755
4756 if (params->supp_oper_classes) {
4757 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4758 params->supp_oper_classes,
4759 params->supp_oper_classes_len);
a862e4a3
JM		 4760 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4761 params->supp_oper_classes_len,
4762 params->supp_oper_classes))
4763 goto fail;
efc64886
SD		 4764 }
4765
95ab6063 4766 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC		 4767 upd.set = sta_flags_nl80211(params->flags);
4768 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
dc55b6b6
AB		 4769
4770 /*
4771 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4772 * flags, as nl80211 driver moves a new station, by default, into
4773 * associated state.
4774 *
4775 * On the other hand, if the driver supports that feature and the
4776 * station is added in unauthenticated state, set the
4777 * authenticated/associated bits in the mask to prevent moving this
4778 * station to associated state before it is actually associated.
4779 *
4780 * This is irrelevant for mesh mode where the station is added to the
4781 * driver as authenticated already, and ASSOCIATED isn't part of the
4782 * nl80211 API.
4783 */
4784 if (!is_mesh_interface(drv->nlmode)) {
4785 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4786 wpa_printf(MSG_DEBUG,
4787 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4788 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4789 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4790 } else if (!params->set &&
4791 !(params->flags & WPA_STA_TDLS_PEER)) {
4792 if (!(params->flags & WPA_STA_AUTHENTICATED))
4793 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4794 if (!(params->flags & WPA_STA_ASSOCIATED))
4795 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4796 }
e347cafe
MH		 4797#ifdef CONFIG_MESH
4798 } else {
4799 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4800 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4801 params->peer_aid);
4802 if (ret)
4803 goto fail;
4804 }
4805#endif /* CONFIG_MESH */
dc55b6b6
AB		 4806 }
4807
e4dea253
JM		 4808 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4809 upd.set, upd.mask);
a862e4a3
JM		 4810 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4811 goto fail;
95ab6063 4812
7c7e7877 4813#ifdef CONFIG_MESH
a862e4a3
JM		 4814 if (params->plink_state &&
4815 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4816 sta_plink_state_nl80211(params->plink_state)))
4817 goto fail;
7c7e7877
BC		 4818#endif /* CONFIG_MESH */
4819
968520da
SD		 4820 if ((!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4821 FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) &&
4822 (params->flags & WPA_STA_WMM)) {
8970bae8
JB		 4823 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4824
e4dea253 4825 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM		 4826 if (!wme ||
4827 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4828 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4829 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4830 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4831 WMM_QOSINFO_STA_SP_MASK))
4832 goto fail;
8970bae8 4833 nla_nest_end(msg, wme);
774bfa62
EP		 4834 }
4835
0f4e8b4f 4836 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4837 msg = NULL;
0f4e8b4f 4838 if (ret)
45b722f1
AN		 4839 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4840 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4841 strerror(-ret));
0f4e8b4f
JM		 4842 if (ret == -EEXIST)
4843 ret = 0;
a862e4a3 4844fail:
5883168a 4845 nlmsg_free(msg);
0f4e8b4f
JM		 4846 return ret;
4847}
4848
4849
97ed9a06
KP		 4850static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4851{
4852#ifdef CONFIG_LIBNL3_ROUTE
4853 struct wpa_driver_nl80211_data *drv = bss->drv;
4854 struct rtnl_neigh *rn;
4855 struct nl_addr *nl_addr;
4856 int err;
4857
4858 rn = rtnl_neigh_alloc();
4859 if (!rn)
4860 return;
4861
4862 rtnl_neigh_set_family(rn, AF_BRIDGE);
4863 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4864 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4865 if (!nl_addr) {
4866 rtnl_neigh_put(rn);
4867 return;
4868 }
4869 rtnl_neigh_set_lladdr(rn, nl_addr);
4870
4871 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4872 if (err < 0) {
4873 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4874 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4875 bss->ifindex, nl_geterror(err));
4876 } else {
4877 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4878 MACSTR, MAC2STR(addr));
4879 }
4880
4881 nl_addr_put(nl_addr);
4882 rtnl_neigh_put(rn);
4883#endif /* CONFIG_LIBNL3_ROUTE */
4884}
4885
4886
59d7148a
JM		 4887static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4888 int deauth, u16 reason_code)
0f4e8b4f 4889{
a2e40bb6 4890 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 4891 struct nl_msg *msg;
4892 int ret;
4893
13f83980 4894 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM		 4895 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4896 (deauth == 0 &&
4897 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4898 WLAN_FC_STYPE_DISASSOC)) ||
4899 (deauth == 1 &&
4900 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4901 WLAN_FC_STYPE_DEAUTH)) ||
4902 (reason_code &&
4903 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4904 nlmsg_free(msg);
4905 return -ENOBUFS;
4906 }
0f4e8b4f
JM		 4907
4908 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 4909 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4910 " --> %d (%s)",
4911 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 4912
4913 if (drv->rtnl_sk)
4914 rtnl_neigh_delete_fdb_entry(bss, addr);
4915
0f4e8b4f
JM		 4916 if (ret == -ENOENT)
4917 return 0;
4918 return ret;
0f4e8b4f
JM		 4919}
4920
1581b38b 4921
f3407c66 4922void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM		 4923{
4924 struct nl_msg *msg;
de884303 4925 struct wpa_driver_nl80211_data *drv2;
0915d02c 4926
c6e8e8e4
JM		 4927 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4928
2135f224 4929 /* stop listening for EAPOL on this interface */
de884303
JM		 4930 dl_list_for_each(drv2, &drv->global->interfaces,
4931 struct wpa_driver_nl80211_data, list)
732b1d20
MB		 4932 {
4933 del_ifidx(drv2, ifidx, IFIDX_ANY);
4934 /* Remove all bridges learned for this iface */
4935 del_ifidx(drv2, IFIDX_ANY, ifidx);
4936 }
2135f224 4937
95376e1a 4938 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 4939 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4940 return;
e748062b 4941 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 4942}
4943
4944
cc9a2575 4945const char * nl80211_iftype_str(enum nl80211_iftype mode)
a1922f93
JM		 4946{
4947 switch (mode) {
4948 case NL80211_IFTYPE_ADHOC:
4949 return "ADHOC";
4950 case NL80211_IFTYPE_STATION:
4951 return "STATION";
4952 case NL80211_IFTYPE_AP:
4953 return "AP";
1045ec36
JM		 4954 case NL80211_IFTYPE_AP_VLAN:
4955 return "AP_VLAN";
4956 case NL80211_IFTYPE_WDS:
4957 return "WDS";
a1922f93
JM		 4958 case NL80211_IFTYPE_MONITOR:
4959 return "MONITOR";
1045ec36
JM		 4960 case NL80211_IFTYPE_MESH_POINT:
4961 return "MESH_POINT";
a1922f93
JM		 4962 case NL80211_IFTYPE_P2P_CLIENT:
4963 return "P2P_CLIENT";
4964 case NL80211_IFTYPE_P2P_GO:
4965 return "P2P_GO";
7aad838c
NS		 4966 case NL80211_IFTYPE_P2P_DEVICE:
4967 return "P2P_DEVICE";
a1922f93
JM		 4968 default:
4969 return "unknown";
4970 }
4971}
4972
4973
a35187e7
KH		 4974static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4975 const char *ifname,
4976 enum nl80211_iftype iftype,
d6dcfcda
DS		 4977 const u8 *addr, int wds,
4978 int (*handler)(struct nl_msg *, void *),
4979 void *arg)
0915d02c 4980{
8970bae8 4981 struct nl_msg *msg;
0915d02c
JM		 4982 int ifidx;
4983 int ret = -ENOBUFS;
4984
a1922f93
JM		 4985 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4986 iftype, nl80211_iftype_str(iftype));
4987
56f77852
JM		 4988 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4989 if (!msg ||
a862e4a3
JM		 4990 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4991 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4992 goto fail;
0915d02c
JM		 4993
4994 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 4995 struct nlattr *flags;
0915d02c 4996
8970bae8 4997 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM		 4998 if (!flags ||
4999 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
5000 goto fail;
0915d02c 5001
8970bae8 5002 nla_nest_end(msg, flags);
fbbfcbac 5003 } else if (wds) {
a862e4a3
JM		 5004 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
5005 goto fail;
0915d02c
JM		 5006 }
5007
52f5877a
IP		 5008 /*
5009 * Tell cfg80211 that the interface belongs to the socket that created
5010 * it, and the interface should be deleted when the socket is closed.
5011 */
a862e4a3
JM		 5012 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5013 goto fail;
52f5877a 5014
d6dcfcda 5015 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 5016 msg = NULL;
0915d02c 5017 if (ret) {
a862e4a3 5018 fail:
5883168a 5019 nlmsg_free(msg);
a35187e7
KH		 5020 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
5021 ifname, ret, strerror(-ret));
0915d02c
JM		 5022 return ret;
5023 }
5024
f632e483 5025 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 5026 return 0;
6bae92e0 5027
0915d02c 5028 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 5029 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
5030 ifname, ifidx);
0915d02c
JM		 5031
5032 if (ifidx <= 0)
5033 return -1;
5034
147848ec
JM		 5035 /*
5036 * Some virtual interfaces need to process EAPOL packets and events on
5037 * the parent interface. This is used mainly with hostapd.
5038 */
5039 if (drv->hostapd ||
5040 iftype == NL80211_IFTYPE_AP_VLAN ||
5041 iftype == NL80211_IFTYPE_WDS ||
5042 iftype == NL80211_IFTYPE_MONITOR) {
5043 /* start listening for EAPOL on this interface */
732b1d20 5044 add_ifidx(drv, ifidx, IFIDX_ANY);
147848ec 5045 }
2135f224 5046
7bfc47c3 5047 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 5048 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 5049 nl80211_remove_iface(drv, ifidx);
5050 return -1;
2135f224 5051 }
2135f224 5052
0915d02c
JM		 5053 return ifidx;
5054}
22a7c9d7
JM		 5055
5056
f3407c66
JM		 5057int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
5058 const char *ifname, enum nl80211_iftype iftype,
5059 const u8 *addr, int wds,
5060 int (*handler)(struct nl_msg *, void *),
5061 void *arg, int use_existing)
a35187e7
KH		 5062{
5063 int ret;
5064
d6dcfcda
DS		 5065 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
5066 arg);
a35187e7 5067
ffbf1eaa 5068 /* if error occurred and interface exists already */
a35187e7 5069 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 5070 if (use_existing) {
5071 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
5072 ifname);
6997f8ba
JM		 5073 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
5074 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5075 addr) < 0 &&
5076 (linux_set_iface_flags(drv->global->ioctl_sock,
5077 ifname, 0) < 0 ||
5078 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5079 addr) < 0 ||
5080 linux_set_iface_flags(drv->global->ioctl_sock,
5081 ifname, 1) < 0))
5082 return -1;
2aec4f3c
JM		 5083 return -ENFILE;
5084 }
a35187e7
KH		 5085 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
5086
5087 /* Try to remove the interface that was already there. */
5088 nl80211_remove_iface(drv, if_nametoindex(ifname));
5089
5090 /* Try to create the interface again */
fbbfcbac 5091 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 5092 wds, handler, arg);
a35187e7
KH		 5093 }
5094
3e208481
JM		 5095 if (ret >= 0 && is_p2p_net_interface(iftype)) {
5096 wpa_printf(MSG_DEBUG,
5097 "nl80211: Interface %s created for P2P - disable 11b rates",
5098 ifname);
4e5cb1a3 5099 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 5100 }
4e5cb1a3 5101
a35187e7
KH		 5102 return ret;
5103}
0915d02c 5104
2135f224 5105
3fd1cefb
JB		 5106static int nl80211_setup_ap(struct i802_bss *bss)
5107{
5108 struct wpa_driver_nl80211_data *drv = bss->drv;
5109
748c0ac0
JM		 5110 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
5111 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 5112
a11241fa
JB		 5113 /*
5114 * Disable Probe Request reporting unless we need it in this way for
5115 * devices that include the AP SME, in the other case (unless using
5116 * monitor iface) we'll get it through the nl_mgmt socket instead.
5117 */
5118 if (!drv->device_ap_sme)
5119 wpa_driver_nl80211_probe_req_report(bss, 0);
5120
5121 if (!drv->device_ap_sme && !drv->use_monitor)
5122 if (nl80211_mgmt_subscribe_ap(bss))
5123 return -1;
5124
a6cc0602
JM		 5125 if (drv->device_ap_sme && !drv->use_monitor)
5126 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
f4830bed
RM		 5127 wpa_printf(MSG_DEBUG,
5128 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
a6cc0602 5129
a11241fa 5130 if (!drv->device_ap_sme && drv->use_monitor &&
ea19b39f
RM		 5131 nl80211_create_monitor_interface(drv) &&
5132 !drv->device_ap_sme)
3fd1cefb
JB		 5133 return -1;
5134
5135 if (drv->device_ap_sme &&
5136 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
5137 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
5138 "Probe Request frame reporting in AP mode");
5139 /* Try to survive without this */
5140 }
5141
5142 return 0;
5143}
5144
5145
5146static void nl80211_teardown_ap(struct i802_bss *bss)
5147{
5148 struct wpa_driver_nl80211_data *drv = bss->drv;
5149
748c0ac0
JM		 5150 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
5151 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 5152 if (drv->device_ap_sme) {
3fd1cefb 5153 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 5154 if (!drv->use_monitor)
5155 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
5156 } else if (drv->use_monitor)
3fd1cefb 5157 nl80211_remove_monitor_interface(drv);
a11241fa 5158 else
36488c05 5159 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 5160
a70cd0db 5161 nl80211_put_wiphy_data_ap(bss);
3fd1cefb
JB		 5162 bss->beacon_set = 0;
5163}
5164
5165
8759e911 5166static int nl80211_tx_control_port(void *priv, const u8 *dest,
a79ed068
MT		 5167 u16 proto, const u8 *buf, size_t len,
5168 int no_encrypt)
8759e911
BJ		 5169{
5170 struct i802_bss *bss = priv;
5171 struct nl_msg *msg;
5172 int ret;
5173
5174 wpa_printf(MSG_DEBUG,
5175 "nl80211: Send over control port dest=" MACSTR
a79ed068
MT		 5176 " proto=0x%04x len=%u no_encrypt=%d",
5177 MAC2STR(dest), proto, (unsigned int) len, no_encrypt);
8759e911
BJ		 5178
5179 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CONTROL_PORT_FRAME);
5180 if (!msg ||
5181 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
5182 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dest) ||
a79ed068
MT		 5183 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
5184 (no_encrypt &&
5185 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) {
8759e911
BJ		 5186 nlmsg_free(msg);
5187 return -ENOBUFS;
5188 }
5189
5190 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5191 if (ret)
5192 wpa_printf(MSG_DEBUG,
5193 "nl80211: tx_control_port failed: ret=%d (%s)",
5194 ret, strerror(ret));
5195
5196 return ret;
5197}
5198
5199
f10bfc9a
JM		 5200static int nl80211_send_eapol_data(struct i802_bss *bss,
5201 const u8 *addr, const u8 *data,
d12dab4c 5202 size_t data_len)
f10bfc9a 5203{
d12dab4c
JB		 5204 struct sockaddr_ll ll;
5205 int ret;
5206
5207 if (bss->drv->eapol_tx_sock < 0) {
5208 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 5209 return -1;
5210 }
5211
d12dab4c
JB		 5212 os_memset(&ll, 0, sizeof(ll));
5213 ll.sll_family = AF_PACKET;
5214 ll.sll_ifindex = bss->ifindex;
5215 ll.sll_protocol = htons(ETH_P_PAE);
5216 ll.sll_halen = ETH_ALEN;
5217 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
5218 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
5219 (struct sockaddr *) &ll, sizeof(ll));
5220 if (ret < 0)
5221 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
5222 strerror(errno));
5223
5224 return ret;
f10bfc9a 5225}
5fb1a232 5226
f10bfc9a 5227
db149ac9
JM		 5228static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
5229
5230static int wpa_driver_nl80211_hapd_send_eapol(
5231 void *priv, const u8 *addr, const u8 *data,
4378fc14 5232 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 5233{
a2e40bb6
FF		 5234 struct i802_bss *bss = priv;
5235 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 5236 struct ieee80211_hdr *hdr;
5237 size_t len;
5238 u8 *pos;
5239 int res;
4378fc14 5240 int qos = flags & WPA_STA_WMM;
db149ac9 5241
781c5a06
MT		 5242 if (drv->capa.flags & WPA_DRIVER_FLAGS_CONTROL_PORT)
5243 return nl80211_tx_control_port(bss, addr, ETH_P_EAPOL,
5244 data, data_len, !encrypt);
5245
a11241fa 5246 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 5247 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 5248
db149ac9
JM		 5249 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
5250 data_len;
5251 hdr = os_zalloc(len);
5252 if (hdr == NULL) {
7ac3616d
JM		 5253 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
5254 (unsigned long) len);
db149ac9
JM		 5255 return -1;
5256 }
5257
5258 hdr->frame_control =
5259 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
5260 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
5261 if (encrypt)
5262 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 5263 if (qos) {
5264 hdr->frame_control |=
5265 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
5266 }
db149ac9
JM		 5267
5268 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
5269 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
5270 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
5271 pos = (u8 *) (hdr + 1);
5272
db149ac9 5273 if (qos) {
92d521d8
FF		 5274 /* Set highest priority in QoS header */
5275 pos[0] = 7;
db149ac9
JM		 5276 pos[1] = 0;
5277 pos += 2;
5278 }
db149ac9
JM		 5279
5280 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
5281 pos += sizeof(rfc1042_header);
5282 WPA_PUT_BE16(pos, ETH_P_PAE);
5283 pos += 2;
5284 memcpy(pos, data, data_len);
5285
14cc3d10 5286 res = nl80211_send_monitor(drv, hdr, len, encrypt, 0);
db149ac9
JM		 5287 if (res < 0) {
5288 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
5289 "failed: %d (%s)",
3ea58a05 5290 (unsigned long) len, res, strerror(res));
db149ac9 5291 }
7bf12757 5292 os_free(hdr);
db149ac9
JM		 5293
5294 return res;
5295}
5296
a8d6ffa4 5297
3234cba4 5298static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
f97e3ce4
JM		 5299 unsigned int total_flags,
5300 unsigned int flags_or,
5301 unsigned int flags_and)
a8d6ffa4 5302{
a2e40bb6 5303 struct i802_bss *bss = priv;
8970bae8
JB		 5304 struct nl_msg *msg;
5305 struct nlattr *flags;
7e76ee9c 5306 struct nl80211_sta_flag_update upd;
a8d6ffa4 5307
0cd9846c
JM		 5308 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
5309 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
5310 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
5311 !!(total_flags & WPA_STA_AUTHORIZED));
5312
13f83980 5313 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5314 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
5315 goto fail;
a8d6ffa4 5316
7e76ee9c
JM		 5317 /*
5318 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
5319 * can be removed eventually.
5320 */
8970bae8 5321 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM		 5322 if (!flags ||
5323 ((total_flags & WPA_STA_AUTHORIZED) &&
5324 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
5325 ((total_flags & WPA_STA_WMM) &&
5326 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
5327 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
5328 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
5329 ((total_flags & WPA_STA_MFP) &&
5330 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
5331 ((total_flags & WPA_STA_TDLS_PEER) &&
5332 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
5333 goto fail;
45b722f1 5334
8970bae8 5335 nla_nest_end(msg, flags);
a8d6ffa4 5336
7e76ee9c
JM		 5337 os_memset(&upd, 0, sizeof(upd));
5338 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
5339 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM		 5340 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
5341 goto fail;
7e76ee9c 5342
13f83980 5343 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 5344fail:
5883168a 5345 nlmsg_free(msg);
a8d6ffa4
JM		 5346 return -ENOBUFS;
5347}
5348
0915d02c 5349
6720b948
THJ		 5350static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr,
5351 unsigned int weight)
5352{
5353 struct i802_bss *bss = priv;
5354 struct nl_msg *msg;
5355
5356 wpa_printf(MSG_DEBUG,
5357 "nl80211: Set STA airtime weight - ifname=%s addr=" MACSTR
5358 " weight=%u", bss->ifname, MAC2STR(addr), weight);
5359
5360 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5361 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5362 nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight))
5363 goto fail;
5364
5365 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5366fail:
5367 nlmsg_free(msg);
5368 return -ENOBUFS;
5369}
5370
5371
1581b38b
JM		 5372static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
5373 struct wpa_driver_associate_params *params)
5374{
708bc8e0 5375 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 5376
5377 if (params->p2p) {
046b26a2
JM		 5378 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
5379 "group (GO)");
b1f625e0
EP		 5380 nlmode = NL80211_IFTYPE_P2P_GO;
5381 } else
5382 nlmode = NL80211_IFTYPE_AP;
5383
708bc8e0 5384 old_mode = drv->nlmode;
834ee56f 5385 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 5386 nl80211_remove_monitor_interface(drv);
5387 return -1;
5388 }
5389
6e9023ea
JM		 5390 if (params->freq.freq &&
5391 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 5392 if (old_mode != nlmode)
834ee56f 5393 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 5394 nl80211_remove_monitor_interface(drv);
1581b38b 5395 return -1;
0915d02c 5396 }
1581b38b 5397
1581b38b
JM		 5398 return 0;
5399}
1581b38b
JM		 5400
5401
666e508c
JM		 5402static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
5403 int reset_mode)
5cc4d64b
JM		 5404{
5405 struct nl_msg *msg;
9725b784 5406 int ret;
a862e4a3 5407
9725b784 5408 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 5409 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM		 5410 if (ret) {
5411 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
5412 "(%s)", ret, strerror(-ret));
9725b784
JM		 5413 } else {
5414 wpa_printf(MSG_DEBUG,
5415 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM		 5416 }
5417
666e508c
JM		 5418 if (reset_mode &&
5419 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 5420 NL80211_IFTYPE_STATION)) {
5421 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5422 "station mode");
5423 }
5424
5cc4d64b
JM		 5425 return ret;
5426}
5427
5428
95ff3069
JD		 5429static int nl80211_ht_vht_overrides(struct nl_msg *msg,
5430 struct wpa_driver_associate_params *params)
5431{
5432 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
5433 return -1;
5434
5435 if (params->htcaps && params->htcaps_mask) {
5436 int sz = sizeof(struct ieee80211_ht_capabilities);
5437 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
5438 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
5439 params->htcaps_mask, sz);
5440 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
5441 params->htcaps) ||
5442 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
5443 params->htcaps_mask))
5444 return -1;
5445 }
5446
5447#ifdef CONFIG_VHT_OVERRIDES
5448 if (params->disable_vht) {
5449 wpa_printf(MSG_DEBUG, " * VHT disabled");
5450 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
5451 return -1;
5452 }
5453
5454 if (params->vhtcaps && params->vhtcaps_mask) {
5455 int sz = sizeof(struct ieee80211_vht_capabilities);
5456 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
5457 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
5458 params->vhtcaps_mask, sz);
5459 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
5460 params->vhtcaps) ||
5461 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
5462 params->vhtcaps_mask))
5463 return -1;
5464 }
5465#endif /* CONFIG_VHT_OVERRIDES */
5466
5467 return 0;
5468}
5469
5470
5cc4d64b
JM		 5471static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
5472 struct wpa_driver_associate_params *params)
5473{
5474 struct nl_msg *msg;
5475 int ret = -1;
5476 int count = 0;
5477
5478 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
5479
4ec68377 5480 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 5481 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5482 "IBSS mode");
5483 return -1;
5484 }
5485
5486retry:
9725b784 5487 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM		 5488 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
5489 goto fail;
5cc4d64b 5490
21cd8f83
JM		 5491 wpa_printf(MSG_DEBUG, " * SSID=%s",
5492 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 5493 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5494 goto fail;
5cc4d64b
JM		 5495 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5496 drv->ssid_len = params->ssid_len;
5497
85e1fad8
JM		 5498 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
5499 nl80211_put_beacon_int(msg, params->beacon_int))
a862e4a3 5500 goto fail;
5cc4d64b
JM		 5501
5502 ret = nl80211_set_conn_keys(params, msg);
5503 if (ret)
a862e4a3 5504 goto fail;
5cc4d64b 5505
913e3cf7
NC		 5506 if (params->bssid && params->fixed_bssid) {
5507 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
5508 MAC2STR(params->bssid));
a862e4a3
JM		 5509 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5510 goto fail;
913e3cf7
NC		 5511 }
5512
4d9e6fba
JD		 5513 if (params->fixed_freq) {
5514 wpa_printf(MSG_DEBUG, " * fixed_freq");
5515 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
5516 goto fail;
5517 }
5518
4848a38d
JM		 5519 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5520 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5521 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5522 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 5523 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM		 5524 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5525 goto fail;
e640888c
AQ		 5526 }
5527
a95795ad
JM		 5528 if (params->wpa_ie) {
5529 wpa_hexdump(MSG_DEBUG,
5530 " * Extra IEs for Beacon/Probe Response frames",
5531 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5532 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
5533 params->wpa_ie))
5534 goto fail;
a95795ad
JM		 5535 }
5536
e15dcf6d
PK		 5537 ret = nl80211_ht_vht_overrides(msg, params);
5538 if (ret < 0)
5539 goto fail;
95ff3069 5540
5cc4d64b
JM		 5541 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5542 msg = NULL;
5543 if (ret) {
5544 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
5545 ret, strerror(-ret));
5546 count++;
5547 if (ret == -EALREADY && count == 1) {
5548 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
5549 "forced leave");
666e508c 5550 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM		 5551 nlmsg_free(msg);
5552 goto retry;
5553 }
a862e4a3
JM		 5554 } else {
5555 wpa_printf(MSG_DEBUG,
5556 "nl80211: Join IBSS request sent successfully");
5cc4d64b 5557 }
5cc4d64b 5558
a862e4a3 5559fail:
5cc4d64b
JM		 5560 nlmsg_free(msg);
5561 return ret;
5562}
5563
5564
ad295f3b
VK		 5565static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
5566 struct wpa_driver_associate_params *params,
5567 struct nl_msg *msg)
5568{
5569 if (params->fils_erp_username_len) {
5570 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username",
5571 params->fils_erp_username,
5572 params->fils_erp_username_len);
5573 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
5574 params->fils_erp_username_len,
5575 params->fils_erp_username))
5576 return -1;
5577 }
5578
5579 if (params->fils_erp_realm_len) {
5580 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm",
5581 params->fils_erp_realm,
5582 params->fils_erp_realm_len);
5583 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
5584 params->fils_erp_realm_len, params->fils_erp_realm))
5585 return -1;
5586 }
5587
5588 wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u",
5589 params->fils_erp_next_seq_num);
5590 if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
5591 params->fils_erp_next_seq_num))
5592 return -1;
5593
5594 if (params->fils_erp_rrk_len) {
5595 wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)",
5596 (unsigned long) params->fils_erp_rrk_len);
5597 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
5598 params->fils_erp_rrk_len, params->fils_erp_rrk))
5599 return -1;
5600 }
5601
5602 return 0;
5603}
5604
5605
a0bdd191
JM		 5606static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
5607 struct wpa_driver_associate_params *params,
5608 struct nl_msg *msg)
cfaab580 5609{
c85dfc6f
JM		 5610 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5611 return -1;
5612
cfaab580
ZY		 5613 if (params->bssid) {
5614 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5615 MAC2STR(params->bssid));
a862e4a3
JM		 5616 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5617 return -1;
cfaab580 5618 }
a0bdd191 5619
7ac7fd43
DS		 5620 if (params->bssid_hint) {
5621 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
5622 MAC2STR(params->bssid_hint));
a862e4a3
JM		 5623 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
5624 params->bssid_hint))
5625 return -1;
7ac7fd43
DS		 5626 }
5627
4ec68377
JD		 5628 if (params->freq.freq) {
5629 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM		 5630 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
5631 params->freq.freq))
5632 return -1;
4ec68377 5633 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 5634 } else
5635 drv->assoc_freq = 0;
a0bdd191 5636
7ac7fd43
DS		 5637 if (params->freq_hint) {
5638 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM		 5639 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
5640 params->freq_hint))
5641 return -1;
7ac7fd43
DS		 5642 }
5643
dda5d9e3
AAL		 5644 if (params->freq.edmg.channels && params->freq.edmg.bw_config) {
5645 wpa_printf(MSG_DEBUG,
5646 " * EDMG configuration: channels=0x%x bw_config=%d",
5647 params->freq.edmg.channels,
5648 params->freq.edmg.bw_config);
5649 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
5650 params->freq.edmg.channels) ||
5651 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
5652 params->freq.edmg.bw_config))
5653 return -1;
5654 }
5655
1f6c0ab8
BS		 5656 if (params->bg_scan_period >= 0) {
5657 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
5658 params->bg_scan_period);
a862e4a3
JM		 5659 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
5660 params->bg_scan_period))
5661 return -1;
1f6c0ab8 5662 }
a0bdd191 5663
cfaab580 5664 if (params->ssid) {
21cd8f83
JM		 5665 wpa_printf(MSG_DEBUG, " * SSID=%s",
5666 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 5667 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
5668 params->ssid))
5669 return -1;
cfaab580 5670 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 5671 return -1;
cfaab580
ZY		 5672 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5673 drv->ssid_len = params->ssid_len;
5674 }
a0bdd191 5675
cfaab580 5676 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5677 if (params->wpa_ie &&
5678 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
5679 return -1;
cfaab580 5680
64fa840a
JM		 5681 if (params->wpa_proto) {
5682 enum nl80211_wpa_versions ver = 0;
cfaab580 5683
64fa840a
JM		 5684 if (params->wpa_proto & WPA_PROTO_WPA)
5685 ver |= NL80211_WPA_VERSION_1;
5686 if (params->wpa_proto & WPA_PROTO_RSN)
5687 ver |= NL80211_WPA_VERSION_2;
cfaab580 5688
64fa840a 5689 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM		 5690 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5691 return -1;
cfaab580
ZY		 5692 }
5693
4848a38d 5694 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5695 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
5696 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM		 5697 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5698 cipher))
5699 return -1;
cfaab580
ZY		 5700 }
5701
ae6f9272
JM		 5702 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
5703 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
5704 /*
5705 * This is likely to work even though many drivers do not
5706 * advertise support for operations without GTK.
5707 */
5708 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
5709 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5710 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
5711 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM		 5712 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
5713 return -1;
cfaab580
ZY		 5714 }
5715
4848a38d
JM		 5716 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5717 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5718 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
5719 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 5720 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 5721 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
5722 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8 5723 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
005585d6
AB		 5724 params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5725 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE ||
5e3b5197 5726 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
ad295f3b 5727 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
005585d6 5728 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
ad295f3b
VK		 5729 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
5730 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
5731 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
e005725a
SD		 5732 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 ||
5733 params->key_mgmt_suite == WPA_KEY_MGMT_OWE ||
5734 params->key_mgmt_suite == WPA_KEY_MGMT_DPP) {
3aa24db9 5735 int mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5736
5737 switch (params->key_mgmt_suite) {
4848a38d 5738 case WPA_KEY_MGMT_CCKM:
3aa24db9 5739 mgmt = RSN_AUTH_KEY_MGMT_CCKM;
369c8d7b 5740 break;
4848a38d 5741 case WPA_KEY_MGMT_IEEE8021X:
3aa24db9 5742 mgmt = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
cfaab580 5743 break;
4848a38d 5744 case WPA_KEY_MGMT_FT_IEEE8021X:
3aa24db9 5745 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X;
6a1ce395 5746 break;
4848a38d 5747 case WPA_KEY_MGMT_FT_PSK:
3aa24db9 5748 mgmt = RSN_AUTH_KEY_MGMT_FT_PSK;
6a1ce395 5749 break;
8802326f 5750 case WPA_KEY_MGMT_IEEE8021X_SHA256:
3aa24db9 5751 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
8802326f
JJ		 5752 break;
5753 case WPA_KEY_MGMT_PSK_SHA256:
3aa24db9 5754 mgmt = RSN_AUTH_KEY_MGMT_PSK_SHA256;
8802326f 5755 break;
163f801e 5756 case WPA_KEY_MGMT_OSEN:
3aa24db9 5757 mgmt = RSN_AUTH_KEY_MGMT_OSEN;
163f801e 5758 break;
005585d6
AB		 5759 case WPA_KEY_MGMT_SAE:
5760 mgmt = RSN_AUTH_KEY_MGMT_SAE;
5761 break;
5762 case WPA_KEY_MGMT_FT_SAE:
5763 mgmt = RSN_AUTH_KEY_MGMT_FT_SAE;
5764 break;
666497c8 5765 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
3aa24db9 5766 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
666497c8 5767 break;
5e3b5197 5768 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
3aa24db9 5769 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
5e3b5197 5770 break;
005585d6
AB		 5771 case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
5772 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
5773 break;
ad295f3b
VK		 5774 case WPA_KEY_MGMT_FILS_SHA256:
5775 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA256;
5776 break;
5777 case WPA_KEY_MGMT_FILS_SHA384:
5778 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA384;
5779 break;
5780 case WPA_KEY_MGMT_FT_FILS_SHA256:
5781 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
5782 break;
5783 case WPA_KEY_MGMT_FT_FILS_SHA384:
5784 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
5785 break;
e005725a
SD		 5786 case WPA_KEY_MGMT_OWE:
5787 mgmt = RSN_AUTH_KEY_MGMT_OWE;
5788 break;
5789 case WPA_KEY_MGMT_DPP:
5790 mgmt = RSN_AUTH_KEY_MGMT_DPP;
5791 break;
4848a38d 5792 case WPA_KEY_MGMT_PSK:
cfaab580 5793 default:
3aa24db9 5794 mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5795 break;
5796 }
163f801e 5797 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM		 5798 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
5799 return -1;
cfaab580
ZY		 5800 }
5801
cb28bd52 5802 if (params->req_handshake_offload &&
d896874f
AS		 5803 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) {
5804 wpa_printf(MSG_DEBUG, " * WANT_1X_4WAY_HS");
5805 if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS))
5806 return -1;
5807 }
5808
730c5a1d
EP		 5809 /* Add PSK in case of 4-way handshake offload */
5810 if (params->psk &&
436ee2fd 5811 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) {
730c5a1d
EP		 5812 wpa_hexdump_key(MSG_DEBUG, " * PSK", params->psk, 32);
5813 if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk))
5814 return -1;
5815 }
5816
a862e4a3
JM		 5817 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5818 return -1;
a0bdd191 5819
e3429c0b
JB		 5820 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5821 (params->pairwise_suite == WPA_CIPHER_NONE ||
5822 params->pairwise_suite == WPA_CIPHER_WEP104 ||
5823 params->pairwise_suite == WPA_CIPHER_WEP40) &&
5824 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
5825 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
5826 return -1;
5827
58162adf
AK		 5828 if (params->rrm_used) {
5829 u32 drv_rrm_flags = drv->capa.rrm_flags;
b5d172e5
BL		 5830 if ((!((drv_rrm_flags &
5831 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
5832 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
5833 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
a862e4a3
JM		 5834 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
5835 return -1;
58162adf
AK		 5836 }
5837
95ff3069 5838 if (nl80211_ht_vht_overrides(msg, params) < 0)
a862e4a3 5839 return -1;
80e8a5ee 5840
a0bdd191
JM		 5841 if (params->p2p)
5842 wpa_printf(MSG_DEBUG, " * P2P group");
5843
86b5c400
LD		 5844 if (params->pbss) {
5845 wpa_printf(MSG_DEBUG, " * PBSS");
5846 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5847 return -1;
5848 }
5849
1126c078 5850 drv->connect_reassoc = 0;
00c3c4ac
JM		 5851 if (params->prev_bssid) {
5852 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
5853 MAC2STR(params->prev_bssid));
5854 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
5855 params->prev_bssid))
5856 return -1;
1126c078 5857 drv->connect_reassoc = 1;
00c3c4ac
JM		 5858 }
5859
ad295f3b
VK		 5860 if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
5861 nl80211_put_fils_connect_params(drv, params, msg) != 0)
5862 return -1;
5863
1317ea2c
SD		 5864 if ((params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5865 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) &&
ba71cb82
SD		 5866 (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) &&
5867 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
5868 return -1;
5869
a0bdd191 5870 return 0;
a0bdd191
JM		 5871}
5872
5873
5874static int wpa_driver_nl80211_try_connect(
5875 struct wpa_driver_nl80211_data *drv,
40a68f33 5876 struct wpa_driver_associate_params *params,
25ebd538 5877 struct nl_sock *nl_connect)
a0bdd191
JM		 5878{
5879 struct nl_msg *msg;
5880 enum nl80211_auth_type type;
5881 int ret;
5882 int algs;
5883
b658547d 5884#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 5885 if (params->req_key_mgmt_offload && params->psk &&
5886 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5887 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5888 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5889 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5890 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5891 if (ret)
5892 return ret;
5893 }
b658547d 5894#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 5895
9725b784
JM		 5896 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5897 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM		 5898 if (!msg)
5899 return -1;
5900
a0bdd191
JM		 5901 ret = nl80211_connect_common(drv, params, msg);
5902 if (ret)
a862e4a3 5903 goto fail;
a0bdd191 5904
299d21e8
EG		 5905 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5906 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5907 goto fail;
5908
5909 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL &&
5910 (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) &&
5911 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL))
5912 goto fail;
5913
a0bdd191
JM		 5914 algs = 0;
5915 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5916 algs++;
5917 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5918 algs++;
5919 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5920 algs++;
64a0a75b
JM		 5921 if (params->auth_alg & WPA_AUTH_ALG_FILS)
5922 algs++;
86c998d3
AM		 5923 if (params->auth_alg & WPA_AUTH_ALG_FT)
5924 algs++;
a0bdd191
JM		 5925 if (algs > 1) {
5926 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5927 "selection");
5928 goto skip_auth_type;
5929 }
5930
3c67e977 5931 type = get_nl_auth_type(params->auth_alg);
a0bdd191 5932 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 5933 if (type == NL80211_AUTHTYPE_MAX ||
5934 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 5935 goto fail;
a0bdd191
JM		 5936
5937skip_auth_type:
cfaab580
ZY		 5938 ret = nl80211_set_conn_keys(params, msg);
5939 if (ret)
a862e4a3 5940 goto fail;
cfaab580 5941
40a68f33 5942 if (nl_connect)
0fa33e05
JM		 5943 ret = send_and_recv(drv->global, nl_connect, msg,
5944 NULL, (void *) -1);
40a68f33 5945 else
0fa33e05 5946 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
40a68f33 5947
cfaab580
ZY		 5948 msg = NULL;
5949 if (ret) {
5950 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5951 "(%s)", ret, strerror(-ret));
a862e4a3
JM		 5952 } else {
5953 wpa_printf(MSG_DEBUG,
5954 "nl80211: Connect request send successfully");
cfaab580 5955 }
cfaab580 5956
a862e4a3 5957fail:
0fa33e05 5958 nl80211_nlmsg_clear(msg);
cfaab580
ZY		 5959 nlmsg_free(msg);
5960 return ret;
5961
5962}
5963
5964
a8c5b43a
CW		 5965static int wpa_driver_nl80211_connect(
5966 struct wpa_driver_nl80211_data *drv,
40a68f33 5967 struct wpa_driver_associate_params *params,
25ebd538 5968 struct nl_sock *nl_connect)
a8c5b43a 5969{
0d4e3d1d
JJ		 5970 int ret;
5971
5972 /* Store the connection attempted bssid for future use */
5973 if (params->bssid)
5974 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5975 else
5976 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5977
40a68f33 5978 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW		 5979 if (ret == -EALREADY) {
5980 /*
5981 * cfg80211 does not currently accept new connections if
5982 * we are already connected. As a workaround, force
5983 * disconnection and try again.
5984 */
5985 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5986 "disconnecting before reassociation "
5987 "attempt");
5988 if (wpa_driver_nl80211_disconnect(
10d32e2c 5989 drv, WLAN_REASON_PREV_AUTH_NOT_VALID, nl_connect))
a8c5b43a 5990 return -1;
40a68f33 5991 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW		 5992 }
5993 return ret;
5994}
5995
5996
c2a04078
JM		 5997static int wpa_driver_nl80211_associate(
5998 void *priv, struct wpa_driver_associate_params *params)
5999{
a2e40bb6
FF		 6000 struct i802_bss *bss = priv;
6001 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 6002 int ret = -1;
c2a04078
JM		 6003 struct nl_msg *msg;
6004
4bd71954
JM		 6005 nl80211_unmask_11b_rates(bss);
6006
5cc4d64b 6007 if (params->mode == IEEE80211_MODE_AP)
1581b38b 6008 return wpa_driver_nl80211_ap(drv, params);
1581b38b 6009
5cc4d64b
JM		 6010 if (params->mode == IEEE80211_MODE_IBSS)
6011 return wpa_driver_nl80211_ibss(drv, params);
6012
4a867032 6013 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 6014 enum nl80211_iftype nlmode = params->p2p ?
6015 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
25ebd538 6016 struct nl_sock *nl_connect = NULL;
b1f625e0
EP		 6017
6018 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 6019 return -1;
1317ea2c
SD		 6020 if (params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
6021 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) {
40a68f33 6022 nl_connect = bss->nl_connect;
10d32e2c
CI		 6023 bss->use_nl_connect = 1;
6024 } else {
6025 bss->use_nl_connect = 0;
6026 }
6027
40a68f33 6028 return wpa_driver_nl80211_connect(drv, params, nl_connect);
4a867032 6029 }
cfaab580 6030
add9b7a4 6031 nl80211_mark_disconnected(drv);
c2a04078 6032
c2a04078
JM		 6033 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
6034 drv->ifindex);
9725b784
JM		 6035 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
6036 if (!msg)
6037 return -1;
c2a04078 6038
a0bdd191
JM		 6039 ret = nl80211_connect_common(drv, params, msg);
6040 if (ret)
a862e4a3 6041 goto fail;
01652550 6042
299d21e8
EG		 6043 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
6044 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
6045 goto fail;
6046
40a45727
JM		 6047 if (params->fils_kek) {
6048 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
6049 (unsigned int) params->fils_kek_len);
6050 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
6051 params->fils_kek))
6052 goto fail;
6053 }
6054 if (params->fils_nonces) {
6055 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
6056 params->fils_nonces,
6057 params->fils_nonces_len);
6058 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
6059 params->fils_nonces_len, params->fils_nonces))
6060 goto fail;
6061 }
6062
c2a04078
JM		 6063 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6064 msg = NULL;
6065 if (ret) {
3b7ea880
BG		 6066 wpa_dbg(drv->ctx, MSG_DEBUG,
6067 "nl80211: MLME command failed (assoc): ret=%d (%s)",
6068 ret, strerror(-ret));
8856462d 6069 nl80211_dump_scan(drv);
a862e4a3
JM		 6070 } else {
6071 wpa_printf(MSG_DEBUG,
6072 "nl80211: Association request send successfully");
c2a04078 6073 }
c2a04078 6074
a862e4a3 6075fail:
c2a04078
JM		 6076 nlmsg_free(msg);
6077 return ret;
6078}
3f5285e8
JM		 6079
6080
ad1e68e6 6081static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 6082 int ifindex, enum nl80211_iftype mode)
3f5285e8 6083{
3f5285e8 6084 struct nl_msg *msg;
ad1e68e6
JM		 6085 int ret = -ENOBUFS;
6086
a1922f93
JM		 6087 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
6088 ifindex, mode, nl80211_iftype_str(mode));
6089
56f77852
JM		 6090 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
6091 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 6092 goto fail;
ad1e68e6
JM		 6093
6094 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6095 msg = NULL;
ad1e68e6
JM		 6096 if (!ret)
6097 return 0;
a862e4a3 6098fail:
5883168a 6099 nlmsg_free(msg);
ad1e68e6
JM		 6100 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
6101 " %d (%s)", ifindex, mode, ret, strerror(-ret));
6102 return ret;
6103}
6104
6105
3c5d34e3
CW		 6106static int wpa_driver_nl80211_set_mode_impl(
6107 struct i802_bss *bss,
6108 enum nl80211_iftype nlmode,
6109 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 6110{
a2e40bb6 6111 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 6112 int ret = -1;
26af9dca 6113 int i;
86957e62 6114 int was_ap = is_ap_interface(drv->nlmode);
671a5039 6115 int res;
ebffdbc4 6116 int mode_switch_res;
1581b38b 6117
a5a187b0
JM		 6118 if (TEST_FAIL())
6119 return -1;
6120
ebffdbc4
CW		 6121 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6122 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
6123 mode_switch_res = 0;
8e12685c 6124
ebffdbc4 6125 if (mode_switch_res == 0) {
ad1e68e6 6126 drv->nlmode = nlmode;
460456f8
JM		 6127 ret = 0;
6128 goto done;
ad1e68e6 6129 }
3f5285e8 6130
ebffdbc4 6131 if (mode_switch_res == -ENODEV)
671a5039
JM		 6132 return -1;
6133
460456f8 6134 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 6135 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
6136 "requested mode - ignore error");
460456f8
JM		 6137 ret = 0;
6138 goto done; /* Already in the requested mode */
6139 }
3f5285e8 6140
3f5285e8
JM		 6141 /* mac80211 doesn't allow mode changes while the device is up, so
6142 * take the device down, try to set the mode again, and bring the
6143 * device back up.
6144 */
26af9dca
JM		 6145 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
6146 "interface down");
6147 for (i = 0; i < 10; i++) {
91724d6f 6148 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 6149 if (res == -EACCES || res == -ENODEV)
6150 break;
ebffdbc4 6151 if (res != 0) {
26af9dca
JM		 6152 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
6153 "interface down");
ebffdbc4
CW		 6154 os_sleep(0, 100000);
6155 continue;
6156 }
3c5d34e3
CW		 6157
6158 /*
6159 * Setting the mode will fail for some drivers if the phy is
6160 * on a frequency that the mode is disallowed in.
6161 */
6162 if (desired_freq_params) {
bdf5ccb2 6163 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW		 6164 if (res) {
6165 wpa_printf(MSG_DEBUG,
6166 "nl80211: Failed to set frequency on interface");
6167 }
6168 }
6169
ebffdbc4
CW		 6170 /* Try to set the mode again while the interface is down */
6171 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6172 if (mode_switch_res == -EBUSY) {
6173 wpa_printf(MSG_DEBUG,
6174 "nl80211: Delaying mode set while interface going down");
6175 os_sleep(0, 100000);
6176 continue;
6177 }
6178 ret = mode_switch_res;
6179 break;
3f5285e8
JM		 6180 }
6181
c6e8e8e4
JM		 6182 if (!ret) {
6183 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
6184 "interface is down");
ad1e68e6 6185 drv->nlmode = nlmode;
7d9c3698 6186 drv->ignore_if_down_event = 1;
c6e8e8e4 6187 }
ad1e68e6 6188
ebffdbc4
CW		 6189 /* Bring the interface back up */
6190 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
6191 if (res != 0) {
6192 wpa_printf(MSG_DEBUG,
6193 "nl80211: Failed to set interface up after switching mode");
6194 ret = -1;
6195 }
6196
460456f8 6197done:
3fd1cefb
JB		 6198 if (ret) {
6199 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
6200 "from %d failed", nlmode, drv->nlmode);
6201 return ret;
6202 }
6203
3e208481
JM		 6204 if (is_p2p_net_interface(nlmode)) {
6205 wpa_printf(MSG_DEBUG,
6206 "nl80211: Interface %s mode change to P2P - disable 11b rates",
6207 bss->ifname);
edb9bfba 6208 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM		 6209 } else if (drv->disabled_11b_rates) {
6210 wpa_printf(MSG_DEBUG,
6211 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
6212 bss->ifname);
1d0c6fb1 6213 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 6214 }
edb9bfba 6215
3fd1cefb 6216 if (is_ap_interface(nlmode)) {
36488c05 6217 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 6218 /* Setup additional AP mode functionality if needed */
3fd1cefb 6219 if (nl80211_setup_ap(bss))
460456f8 6220 return -1;
3fd1cefb 6221 } else if (was_ap) {
460456f8 6222 /* Remove additional AP mode functionality */
3fd1cefb 6223 nl80211_teardown_ap(bss);
a11241fa 6224 } else {
36488c05 6225 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 6226 }
460456f8 6227
afb0550a
BC		 6228 if (is_mesh_interface(nlmode) &&
6229 nl80211_mgmt_subscribe_mesh(bss))
6230 return -1;
6231
873d0fcf 6232 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 6233 !is_mesh_interface(nlmode) &&
a11241fa
JB		 6234 nl80211_mgmt_subscribe_non_ap(bss) < 0)
6235 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
6236 "frame processing - ignore for now");
08359050 6237
3fd1cefb 6238 return 0;
3f5285e8
JM		 6239}
6240
6241
f3407c66
JM		 6242int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
6243 enum nl80211_iftype nlmode)
3c5d34e3
CW		 6244{
6245 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
6246}
6247
6248
4ec68377
JD		 6249static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
6250 struct hostapd_freq_params *freq)
3c5d34e3 6251{
3c5d34e3 6252 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 6253 freq);
3c5d34e3 6254}
65d645ce
AS		 6255
6256
3f5285e8
JM		 6257static int wpa_driver_nl80211_get_capa(void *priv,
6258 struct wpa_driver_capa *capa)
6259{
a2e40bb6
FF		 6260 struct i802_bss *bss = priv;
6261 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 6262
3f5285e8
JM		 6263 if (!drv->has_capability)
6264 return -1;
6265 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 6266 if (drv->extended_capa && drv->extended_capa_mask) {
6267 capa->extended_capa = drv->extended_capa;
6268 capa->extended_capa_mask = drv->extended_capa_mask;
6269 capa->extended_capa_len = drv->extended_capa_len;
6270 }
851b0c55 6271
906bc4c7 6272 return 0;
3f5285e8
JM		 6273}
6274
6275
6276static int wpa_driver_nl80211_set_operstate(void *priv, int state)
6277{
a2e40bb6
FF		 6278 struct i802_bss *bss = priv;
6279 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 6280
90a545cc
JM		 6281 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
6282 bss->ifname, drv->operstate, state,
6283 state ? "UP" : "DORMANT");
3f5285e8 6284 drv->operstate = state;
36d84860 6285 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 6286 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 6287}
6288
01652550
JM		 6289
6290static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
6291{
a2e40bb6
FF		 6292 struct i802_bss *bss = priv;
6293 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 6294 struct nl_msg *msg;
6295 struct nl80211_sta_flag_update upd;
a862e4a3 6296 int ret;
2eef5177
JM		 6297
6298 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
6299 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
6300 return 0;
6301 }
01652550 6302
1ba51ec0
JM		 6303 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
6304 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
6305
01652550
JM		 6306 os_memset(&upd, 0, sizeof(upd));
6307 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
6308 if (authorized)
6309 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 6310
13f83980 6311 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 6312 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
6313 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
6314 nlmsg_free(msg);
6315 return -ENOBUFS;
6316 }
01652550 6317
2eef5177 6318 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM		 6319 if (!ret)
6320 return 0;
2eef5177
JM		 6321 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
6322 ret, strerror(-ret));
6323 return ret;
01652550
JM		 6324}
6325
3f5285e8 6326
f07ead6a
JM		 6327/* Set kernel driver on given frequency (MHz) */
6328static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 6329{
f07ead6a 6330 struct i802_bss *bss = priv;
13a524a3 6331 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 6332}
6333
f7b3920c 6334
c5121837
JM		 6335static inline int min_int(int a, int b)
6336{
6337 if (a < b)
6338 return a;
6339 return b;
6340}
6341
6342
6343static int get_key_handler(struct nl_msg *msg, void *arg)
6344{
6345 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6346 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6347
6348 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6349 genlmsg_attrlen(gnlh, 0), NULL);
6350
6351 /*
6352 * TODO: validate the key index and mac address!
6353 * Otherwise, there's a race condition as soon as
6354 * the kernel starts sending key notifications.
6355 */
6356
6357 if (tb[NL80211_ATTR_KEY_SEQ])
6358 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
6359 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
4efade31 6360 nl80211_nlmsg_clear(msg);
c5121837
JM		 6361 return NL_SKIP;
6362}
6363
6364
6365static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
6366 int idx, u8 *seq)
6367{
a2e40bb6
FF		 6368 struct i802_bss *bss = priv;
6369 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6370 struct nl_msg *msg;
6371
95376e1a
JM		 6372 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
6373 NL80211_CMD_GET_KEY);
6374 if (!msg ||
a862e4a3 6375 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 6376 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM		 6377 nlmsg_free(msg);
6378 return -ENOBUFS;
6379 }
c5121837
JM		 6380
6381 memset(seq, 0, 6);
6382
6383 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM		 6384}
6385
6386
c5121837
JM		 6387static int i802_set_rts(void *priv, int rts)
6388{
a2e40bb6
FF		 6389 struct i802_bss *bss = priv;
6390 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6391 struct nl_msg *msg;
a862e4a3 6392 int ret;
ad649451 6393 u32 val;
c5121837 6394
bf0021ed 6395 if (rts >= 2347 || rts == -1)
ad649451
JM		 6396 val = (u32) -1;
6397 else
6398 val = rts;
c5121837 6399
9725b784 6400 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 6401 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
6402 nlmsg_free(msg);
6403 return -ENOBUFS;
6404 }
ad649451
JM		 6405
6406 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6407 if (!ret)
6408 return 0;
ad649451
JM		 6409 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
6410 "%d (%s)", rts, ret, strerror(-ret));
6411 return ret;
c5121837
JM		 6412}
6413
6414
6415static int i802_set_frag(void *priv, int frag)
6416{
a2e40bb6
FF		 6417 struct i802_bss *bss = priv;
6418 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6419 struct nl_msg *msg;
a862e4a3 6420 int ret;
ad649451 6421 u32 val;
c5121837 6422
bf0021ed 6423 if (frag >= 2346 || frag == -1)
ad649451
JM		 6424 val = (u32) -1;
6425 else
6426 val = frag;
c5121837 6427
9725b784 6428 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 6429 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
6430 nlmsg_free(msg);
6431 return -ENOBUFS;
6432 }
ad649451
JM		 6433
6434 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6435 if (!ret)
6436 return 0;
ad649451
JM		 6437 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
6438 "%d: %d (%s)", frag, ret, strerror(-ret));
6439 return ret;
c5121837
JM		 6440}
6441
6442
c5121837
JM		 6443static int i802_flush(void *priv)
6444{
a2e40bb6 6445 struct i802_bss *bss = priv;
c5121837 6446 struct nl_msg *msg;
82554b10 6447 int res;
c5121837 6448
83e7bb0e
JM		 6449 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
6450 bss->ifname);
c5121837
JM		 6451
6452 /*
6453 * XXX: FIX! this needs to flush all VLANs too
6454 */
13f83980
JM		 6455 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
6456 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM		 6457 if (res) {
6458 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
6459 "(%s)", res, strerror(-res));
6460 }
6461 return res;
c5121837
JM		 6462}
6463
6464
1d6f6385
THJ		 6465static void get_sta_tid_stats(struct hostap_sta_driver_data *data,
6466 struct nlattr *attr)
6467{
6468 struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr;
6469 struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1];
6470 static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = {
6471 [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 },
6472 [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 },
6473 };
6474 int rem;
6475
6476 nla_for_each_nested(tidattr, attr, rem) {
6477 if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX,
6478 tidattr, NULL) != 0 ||
6479 !tid_stats[NL80211_TID_STATS_TXQ_STATS] ||
6480 nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX,
6481 tid_stats[NL80211_TID_STATS_TXQ_STATS],
6482 txq_stats_policy) != 0)
6483 continue;
6484 /* sum the backlogs over all TIDs for station */
6485 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES])
6486 data->backlog_bytes += nla_get_u32(
6487 txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]);
6488 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS])
6489 data->backlog_bytes += nla_get_u32(
6490 txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]);
6491 }
6492}
6493
6494
c5121837
JM		 6495static int get_sta_handler(struct nl_msg *msg, void *arg)
6496{
6497 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6498 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6499 struct hostap_sta_driver_data *data = arg;
6500 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
6501 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
6502 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
6503 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
6504 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
6505 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
6506 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 6507 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
43022abd
NL		 6508 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
6509 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
3567641e 6510 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
72123a84 6511 [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 },
58d4c236
THJ		 6512 [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
6513 [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 },
3567641e 6514 };
6515 struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
6516 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
6517 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
6518 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
6519 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
6520 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
6521 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
6522 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
c5121837
JM		 6523 };
6524
6525 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6526 genlmsg_attrlen(gnlh, 0), NULL);
6527
6528 /*
6529 * TODO: validate the interface and mac address!
6530 * Otherwise, there's a race condition as soon as
6531 * the kernel starts sending station notifications.
6532 */
6533
6534 if (!tb[NL80211_ATTR_STA_INFO]) {
6535 wpa_printf(MSG_DEBUG, "sta stats missing!");
6536 return NL_SKIP;
6537 }
6538 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
6539 tb[NL80211_ATTR_STA_INFO],
6540 stats_policy)) {
6541 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
6542 return NL_SKIP;
6543 }
6544
6545 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
6546 data->inactive_msec =
6547 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
43022abd 6548 /* For backwards compatibility, fetch the 32-bit counters first. */
c5121837
JM		 6549 if (stats[NL80211_STA_INFO_RX_BYTES])
6550 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
6551 if (stats[NL80211_STA_INFO_TX_BYTES])
6552 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
43022abd
NL		 6553 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
6554 stats[NL80211_STA_INFO_TX_BYTES64]) {
6555 /*
6556 * The driver supports 64-bit counters, so use them to override
6557 * the 32-bit values.
6558 */
6559 data->rx_bytes =
6560 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
6561 data->tx_bytes =
6562 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
6563 data->bytes_64bit = 1;
6564 }
c5121837
JM		 6565 if (stats[NL80211_STA_INFO_RX_PACKETS])
6566 data->rx_packets =
6567 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
6568 if (stats[NL80211_STA_INFO_TX_PACKETS])
6569 data->tx_packets =
6570 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
58d4c236
THJ		 6571 if (stats[NL80211_STA_INFO_RX_DURATION])
6572 data->rx_airtime =
6573 nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]);
6574 if (stats[NL80211_STA_INFO_TX_DURATION])
6575 data->tx_airtime =
6576 nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]);
dc7785f8
YZ		 6577 if (stats[NL80211_STA_INFO_TX_FAILED])
6578 data->tx_retry_failed =
6579 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
3567641e 6580 if (stats[NL80211_STA_INFO_SIGNAL])
6581 data->signal = nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
72123a84
BP		 6582 if (stats[NL80211_STA_INFO_ACK_SIGNAL]) {
6583 data->last_ack_rssi =
6584 nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]);
6585 data->flags |= STA_DRV_DATA_LAST_ACK_RSSI;
6586 }
3567641e 6587
6588 if (stats[NL80211_STA_INFO_TX_BITRATE] &&
6589 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6590 stats[NL80211_STA_INFO_TX_BITRATE],
6591 rate_policy) == 0) {
6592 if (rate[NL80211_RATE_INFO_BITRATE32])
6593 data->current_tx_rate =
6594 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6595 else if (rate[NL80211_RATE_INFO_BITRATE])
6596 data->current_tx_rate =
6597 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6598
6599 if (rate[NL80211_RATE_INFO_MCS]) {
6600 data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6601 data->flags |= STA_DRV_DATA_TX_MCS;
6602 }
6603 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6604 data->tx_vhtmcs =
6605 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6606 data->flags |= STA_DRV_DATA_TX_VHT_MCS;
6607 }
6608 if (rate[NL80211_RATE_INFO_SHORT_GI])
6609 data->flags |= STA_DRV_DATA_TX_SHORT_GI;
6610 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6611 data->tx_vht_nss =
6612 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6613 data->flags |= STA_DRV_DATA_TX_VHT_NSS;
6614 }
6615 }
6616
6617 if (stats[NL80211_STA_INFO_RX_BITRATE] &&
6618 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6619 stats[NL80211_STA_INFO_RX_BITRATE],
6620 rate_policy) == 0) {
6621 if (rate[NL80211_RATE_INFO_BITRATE32])
6622 data->current_rx_rate =
6623 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6624 else if (rate[NL80211_RATE_INFO_BITRATE])
6625 data->current_rx_rate =
6626 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6627
6628 if (rate[NL80211_RATE_INFO_MCS]) {
6629 data->rx_mcs =
6630 nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6631 data->flags |= STA_DRV_DATA_RX_MCS;
6632 }
6633 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6634 data->rx_vhtmcs =
6635 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6636 data->flags |= STA_DRV_DATA_RX_VHT_MCS;
6637 }
6638 if (rate[NL80211_RATE_INFO_SHORT_GI])
6639 data->flags |= STA_DRV_DATA_RX_SHORT_GI;
6640 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6641 data->rx_vht_nss =
6642 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6643 data->flags |= STA_DRV_DATA_RX_VHT_NSS;
6644 }
6645 }
c5121837 6646
1d6f6385
THJ		 6647 if (stats[NL80211_STA_INFO_TID_STATS])
6648 get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]);
6649
c5121837
JM		 6650 return NL_SKIP;
6651}
6652
9ebce9c5
JM		 6653static int i802_read_sta_data(struct i802_bss *bss,
6654 struct hostap_sta_driver_data *data,
c5121837
JM		 6655 const u8 *addr)
6656{
c5121837
JM		 6657 struct nl_msg *msg;
6658
13f83980
JM		 6659 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
6660 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM		 6661 nlmsg_free(msg);
6662 return -ENOBUFS;
6663 }
c5121837 6664
13f83980 6665 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM		 6666}
6667
6668
c5121837
JM		 6669static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
6670 int cw_min, int cw_max, int burst_time)
6671{
a2e40bb6
FF		 6672 struct i802_bss *bss = priv;
6673 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6674 struct nl_msg *msg;
6675 struct nlattr *txq, *params;
bd512469 6676 int res;
c5121837 6677
13f83980 6678 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM		 6679 if (!msg)
6680 return -1;
6681
c5121837
JM		 6682 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
6683 if (!txq)
a862e4a3 6684 goto fail;
c5121837
JM		 6685
6686 /* We are only sending parameters for a single TXQ at a time */
6687 params = nla_nest_start(msg, 1);
6688 if (!params)
a862e4a3 6689 goto fail;
c5121837 6690
7e3c1781
JM		 6691 switch (queue) {
6692 case 0:
a862e4a3
JM		 6693 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
6694 goto fail;
7e3c1781
JM		 6695 break;
6696 case 1:
a862e4a3
JM		 6697 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
6698 goto fail;
7e3c1781
JM		 6699 break;
6700 case 2:
a862e4a3
JM		 6701 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
6702 goto fail;
7e3c1781
JM		 6703 break;
6704 case 3:
a862e4a3
JM		 6705 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
6706 goto fail;
7e3c1781
JM		 6707 break;
6708 }
c5121837
JM		 6709 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
6710 * 32 usec, so need to convert the value here. */
a862e4a3
JM		 6711 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
6712 (burst_time * 100 + 16) / 32) ||
6713 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
6714 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
6715 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
6716 goto fail;
c5121837
JM		 6717
6718 nla_nest_end(msg, params);
6719
6720 nla_nest_end(msg, txq);
6721
bd512469
JM		 6722 res = send_and_recv_msgs(drv, msg, NULL, NULL);
6723 wpa_printf(MSG_DEBUG,
6724 "nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
6725 queue, aifs, cw_min, cw_max, burst_time, res);
6726 if (res == 0)
c5121837 6727 return 0;
9e088e74 6728 msg = NULL;
a862e4a3 6729fail:
9e088e74 6730 nlmsg_free(msg);
c5121837
JM		 6731 return -1;
6732}
6733
6734
9ebce9c5 6735static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 6736 const char *ifname, int vlan_id)
6737{
a2e40bb6 6738 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6739 struct nl_msg *msg;
a862e4a3 6740 int ret;
c5121837 6741
bbc706a3
JM		 6742 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
6743 ", ifname=%s[%d], vlan_id=%d)",
6744 bss->ifname, if_nametoindex(bss->ifname),
6745 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 6746 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3 6747 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
0f903f37
GG		 6748 ((drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) &&
6749 nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id)) ||
a862e4a3
JM		 6750 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
6751 nlmsg_free(msg);
6752 return -ENOBUFS;
6753 }
c5121837 6754
cd1d72c1
JM		 6755 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6756 if (ret < 0) {
6757 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
6758 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
6759 MAC2STR(addr), ifname, vlan_id, ret,
6760 strerror(-ret));
6761 }
cd1d72c1 6762 return ret;
c5121837
JM		 6763}
6764
fbbfcbac 6765
c5121837
JM		 6766static int i802_get_inact_sec(void *priv, const u8 *addr)
6767{
6768 struct hostap_sta_driver_data data;
6769 int ret;
6770
7824bf77 6771 os_memset(&data, 0, sizeof(data));
c5121837
JM		 6772 data.inactive_msec = (unsigned long) -1;
6773 ret = i802_read_sta_data(priv, &data, addr);
b9749bac
MH		 6774 if (ret == -ENOENT)
6775 return -ENOENT;
c5121837
JM		 6776 if (ret || data.inactive_msec == (unsigned long) -1)
6777 return -1;
6778 return data.inactive_msec / 1000;
6779}
6780
6781
6782static int i802_sta_clear_stats(void *priv, const u8 *addr)
6783{
6784#if 0
6785 /* TODO */
6786#endif
6787 return 0;
6788}
6789
6790
731723a5 6791static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6792 u16 reason)
c5121837 6793{
a2e40bb6 6794 struct i802_bss *bss = priv;
e1bd4e19 6795 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6796 struct ieee80211_mgmt mgmt;
05e5e615
DL		 6797 u8 channel;
6798
6799 if (ieee80211_freq_to_chan(bss->freq, &channel) ==
6800 HOSTAPD_MODE_IEEE80211AD) {
6801 /* Deauthentication is not used in DMG/IEEE 802.11ad;
6802 * disassociate the STA instead. */
6803 return i802_sta_disassoc(priv, own_addr, addr, reason);
6804 }
c5121837 6805
0d391b03
BC		 6806 if (is_mesh_interface(drv->nlmode))
6807 return -1;
6808
e1bd4e19 6809 if (drv->device_ap_sme)
59d7148a 6810 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 6811
c5121837
JM		 6812 memset(&mgmt, 0, sizeof(mgmt));
6813 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6814 WLAN_FC_STYPE_DEAUTH);
6815 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6816 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6817 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6818 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 6819 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6820 IEEE80211_HDRLEN +
9ebce9c5 6821 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
27cc06d0 6822 0, NULL, 0, 0);
c5121837
JM		 6823}
6824
6825
731723a5 6826static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6827 u16 reason)
c5121837 6828{
a2e40bb6 6829 struct i802_bss *bss = priv;
e1bd4e19 6830 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6831 struct ieee80211_mgmt mgmt;
6832
0d391b03
BC		 6833 if (is_mesh_interface(drv->nlmode))
6834 return -1;
6835
e1bd4e19 6836 if (drv->device_ap_sme)
59d7148a 6837 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 6838
c5121837
JM		 6839 memset(&mgmt, 0, sizeof(mgmt));
6840 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6841 WLAN_FC_STYPE_DISASSOC);
6842 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6843 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6844 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6845 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 6846 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6847 IEEE80211_HDRLEN +
9ebce9c5 6848 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
27cc06d0 6849 0, NULL, 0, 0);
c5121837
JM		 6850}
6851
6852
9b4d9c8b
JM		 6853static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
6854{
6855 char buf[200], *pos, *end;
6856 int i, res;
6857
6858 pos = buf;
6859 end = pos + sizeof(buf);
6860
6861 for (i = 0; i < drv->num_if_indices; i++) {
099224c1 6862 if (!drv->if_indices[i].ifindex)
9b4d9c8b 6863 continue;
732b1d20 6864 res = os_snprintf(pos, end - pos, " %d(%d)",
099224c1
JM		 6865 drv->if_indices[i].ifindex,
6866 drv->if_indices[i].reason);
d85e1fc8 6867 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM		 6868 break;
6869 pos += res;
6870 }
6871 *pos = '\0';
6872
6873 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
6874 drv->num_if_indices, buf);
6875}
6876
6877
732b1d20
MB		 6878static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6879 int ifidx_reason)
f07ead6a
JM		 6880{
6881 int i;
099224c1 6882 struct drv_nl80211_if_info *old;
f07ead6a 6883
732b1d20
MB		 6884 wpa_printf(MSG_DEBUG,
6885 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
6886 ifidx, ifidx_reason);
6887 if (have_ifidx(drv, ifidx, ifidx_reason)) {
b36935be
MB		 6888 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
6889 ifidx);
6890 return;
6891 }
f07ead6a 6892 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM		 6893 if (drv->if_indices[i].ifindex == 0) {
6894 drv->if_indices[i].ifindex = ifidx;
6895 drv->if_indices[i].reason = ifidx_reason;
9b4d9c8b 6896 dump_ifidx(drv);
f07ead6a
JM		 6897 return;
6898 }
6899 }
6900
6901 if (drv->if_indices != drv->default_if_indices)
6902 old = drv->if_indices;
6903 else
6904 old = NULL;
6905
067ffa26 6906 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
099224c1 6907 sizeof(*old));
f07ead6a
JM		 6908 if (!drv->if_indices) {
6909 if (!old)
6910 drv->if_indices = drv->default_if_indices;
6911 else
6912 drv->if_indices = old;
6913 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
6914 "interfaces");
6915 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
6916 return;
732b1d20
MB		 6917 }
6918 if (!old)
f07ead6a
JM		 6919 os_memcpy(drv->if_indices, drv->default_if_indices,
6920 sizeof(drv->default_if_indices));
099224c1
JM		 6921 drv->if_indices[drv->num_if_indices].ifindex = ifidx;
6922 drv->if_indices[drv->num_if_indices].reason = ifidx_reason;
f07ead6a 6923 drv->num_if_indices++;
9b4d9c8b 6924 dump_ifidx(drv);
f07ead6a
JM		 6925}
6926
6927
732b1d20
MB		 6928static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6929 int ifidx_reason)
f07ead6a
JM		 6930{
6931 int i;
6932
6933 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM		 6934 if ((drv->if_indices[i].ifindex == ifidx ||
6935 ifidx == IFIDX_ANY) &&
6936 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6937 ifidx_reason == IFIDX_ANY)) {
099224c1
JM		 6938 drv->if_indices[i].ifindex = 0;
6939 drv->if_indices[i].reason = 0;
f07ead6a
JM		 6940 break;
6941 }
6942 }
9b4d9c8b 6943 dump_ifidx(drv);
f07ead6a
JM		 6944}
6945
6946
732b1d20
MB		 6947static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6948 int ifidx_reason)
f07ead6a
JM		 6949{
6950 int i;
6951
6952 for (i = 0; i < drv->num_if_indices; i++)
099224c1
JM		 6953 if (drv->if_indices[i].ifindex == ifidx &&
6954 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6955 ifidx_reason == IFIDX_ANY))
f07ead6a
JM		 6956 return 1;
6957
6958 return 0;
6959}
6960
6961
6962static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 6963 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 6964{
6965 struct i802_bss *bss = priv;
6966 struct wpa_driver_nl80211_data *drv = bss->drv;
6967 char name[IFNAMSIZ + 1];
1952b626 6968 union wpa_event_data event;
d577f7f3
AO		 6969 int ret;
6970
6971 ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
6972 if (ret >= (int) sizeof(name))
6973 wpa_printf(MSG_WARNING,
6974 "nl80211: WDS interface name was truncated");
6975 else if (ret < 0)
6976 return ret;
f07ead6a 6977
69dd2967
SM		 6978 if (ifname_wds)
6979 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
6980
f07ead6a
JM		 6981 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
6982 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
6983 if (val) {
6984 if (!if_nametoindex(name)) {
6985 if (nl80211_create_iface(drv, name,
6986 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 6987 bss->addr, 1, NULL, NULL, 0) <
6988 0)
f07ead6a
JM		 6989 return -1;
6990 if (bridge_ifname &&
c81eff1a
BG		 6991 linux_br_add_if(drv->global->ioctl_sock,
6992 bridge_ifname, name) < 0)
f07ead6a 6993 return -1;
1952b626
BP		 6994
6995 os_memset(&event, 0, sizeof(event));
6996 event.wds_sta_interface.sta_addr = addr;
6997 event.wds_sta_interface.ifname = name;
6998 event.wds_sta_interface.istatus = INTERFACE_ADDED;
8bfbb295 6999 wpa_supplicant_event(bss->ctx,
1952b626
BP		 7000 EVENT_WDS_STA_INTERFACE_STATUS,
7001 &event);
f07ead6a 7002 }
75227f3a
JM		 7003 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
7004 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
7005 "interface %s up", name);
7006 }
f07ead6a
JM		 7007 return i802_set_sta_vlan(priv, addr, name, 0);
7008 } else {
f9052d6e
JM		 7009 if (bridge_ifname &&
7010 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
7011 name) < 0)
7012 wpa_printf(MSG_INFO,
7013 "nl80211: Failed to remove interface %s from bridge %s: %s",
7014 name, bridge_ifname, strerror(errno));
c34e618d 7015
f07ead6a 7016 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25 7017 nl80211_remove_iface(drv, if_nametoindex(name));
1952b626
BP		 7018 os_memset(&event, 0, sizeof(event));
7019 event.wds_sta_interface.sta_addr = addr;
7020 event.wds_sta_interface.ifname = name;
7021 event.wds_sta_interface.istatus = INTERFACE_REMOVED;
8bfbb295 7022 wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS,
1952b626 7023 &event);
d0595b25 7024 return 0;
f07ead6a
JM		 7025 }
7026}
7027
7028
7029static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
7030{
7031 struct wpa_driver_nl80211_data *drv = eloop_ctx;
7032 struct sockaddr_ll lladdr;
7033 unsigned char buf[3000];
7034 int len;
7035 socklen_t fromlen = sizeof(lladdr);
7036
7037 len = recvfrom(sock, buf, sizeof(buf), 0,
7038 (struct sockaddr *)&lladdr, &fromlen);
7039 if (len < 0) {
7ac3616d
JM		 7040 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
7041 strerror(errno));
f07ead6a
JM		 7042 return;
7043 }
7044
732b1d20 7045 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
f07ead6a
JM		 7046 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
7047}
7048
7049
94627f6c 7050static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 7051 struct i802_bss *bss,
94627f6c
JM		 7052 const char *brname, const char *ifname)
7053{
6c6678e7 7054 int br_ifindex;
94627f6c
JM		 7055 char in_br[IFNAMSIZ];
7056
e17a2477 7057 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 7058 br_ifindex = if_nametoindex(brname);
6c6678e7 7059 if (br_ifindex == 0) {
94627f6c
JM		 7060 /*
7061 * Bridge was configured, but the bridge device does
7062 * not exist. Try to add it now.
7063 */
c81eff1a 7064 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 7065 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
7066 "bridge interface %s: %s",
7067 brname, strerror(errno));
7068 return -1;
7069 }
e17a2477 7070 bss->added_bridge = 1;
8997613c 7071 br_ifindex = if_nametoindex(brname);
732b1d20 7072 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 7073 }
8997613c 7074 bss->br_ifindex = br_ifindex;
94627f6c
JM		 7075
7076 if (linux_br_get(in_br, ifname) == 0) {
c809756f
SM		 7077 if (os_strcmp(in_br, brname) == 0) {
7078 bss->already_in_bridge = 1;
94627f6c 7079 return 0; /* already in the bridge */
c809756f 7080 }
94627f6c
JM		 7081
7082 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
7083 "bridge %s", ifname, in_br);
c81eff1a
BG		 7084 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
7085 0) {
94627f6c
JM		 7086 wpa_printf(MSG_ERROR, "nl80211: Failed to "
7087 "remove interface %s from bridge "
7088 "%s: %s",
fdbfb63e 7089 ifname, in_br, strerror(errno));
94627f6c
JM		 7090 return -1;
7091 }
7092 }
7093
7094 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
7095 ifname, brname);
c81eff1a 7096 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
8e111157
MK		 7097 wpa_printf(MSG_WARNING,
7098 "nl80211: Failed to add interface %s into bridge %s: %s",
94627f6c 7099 ifname, brname, strerror(errno));
8e111157
MK		 7100 /* Try to continue without the interface being in a bridge. This
7101 * may be needed for some cases, e.g., with Open vSwitch, where
7102 * an external component will need to handle bridge
7103 * configuration. */
7104 return 0;
94627f6c 7105 }
e17a2477 7106 bss->added_if_into_bridge = 1;
94627f6c
JM		 7107
7108 return 0;
7109}
7110
7111
92f475b4
JM		 7112static void *i802_init(struct hostapd_data *hapd,
7113 struct wpa_init_params *params)
c5121837
JM		 7114{
7115 struct wpa_driver_nl80211_data *drv;
a2e40bb6 7116 struct i802_bss *bss;
c5121837 7117 size_t i;
cb05808c
AN		 7118 char master_ifname[IFNAMSIZ];
7119 int ifindex, br_ifindex = 0;
94627f6c 7120 int br_added = 0;
c5121837 7121
0d547d5f
JM		 7122 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
7123 params->global_priv, 1,
0ecff8d7 7124 params->bssid, params->driver_params);
a2e40bb6 7125 if (bss == NULL)
c5121837 7126 return NULL;
c5121837 7127
a2e40bb6 7128 drv = bss->drv;
7635bfb0 7129
cb05808c 7130 if (linux_br_get(master_ifname, params->ifname) == 0) {
94627f6c 7131 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
cb05808c
AN		 7132 params->ifname, master_ifname);
7133 br_ifindex = if_nametoindex(master_ifname);
7134 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
7135 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
7136 linux_master_get(master_ifname, params->ifname) == 0) {
7137 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
7138 params->ifname, master_ifname);
7139 /* start listening for EAPOL on the master interface */
732b1d20 7140 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
f2d6c17a
DL		 7141
7142 /* check if master itself is under bridge */
7143 if (linux_br_get(master_ifname, master_ifname) == 0) {
7144 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
7145 master_ifname);
7146 br_ifindex = if_nametoindex(master_ifname);
7147 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
7148 }
94627f6c 7149 } else {
cb05808c 7150 master_ifname[0] = '\0';
94627f6c 7151 }
cb05808c 7152
6c6678e7 7153 bss->br_ifindex = br_ifindex;
94627f6c 7154
92f475b4 7155 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 7156 if (params->bridge[i]) {
7157 ifindex = if_nametoindex(params->bridge[i]);
7158 if (ifindex)
732b1d20 7159 add_ifidx(drv, ifindex, drv->ifindex);
94627f6c
JM		 7160 if (ifindex == br_ifindex)
7161 br_added = 1;
7162 }
c5121837 7163 }
c5121837 7164
ad1e68e6 7165 /* start listening for EAPOL on the default AP interface */
732b1d20 7166 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
ad1e68e6 7167
5ef8e39f
JM		 7168 if (params->num_bridge && params->bridge[0]) {
7169 if (i802_check_bridge(drv, bss, params->bridge[0],
7170 params->ifname) < 0)
7171 goto failed;
cb05808c 7172 if (os_strcmp(params->bridge[0], master_ifname) != 0)
5ef8e39f
JM		 7173 br_added = 1;
7174 }
7175
7176 if (!br_added && br_ifindex &&
7177 (params->num_bridge == 0 || !params->bridge[0]))
732b1d20 7178 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 7179
97ed9a06 7180#ifdef CONFIG_LIBNL3_ROUTE
c809756f 7181 if (bss->added_if_into_bridge || bss->already_in_bridge) {
3ea58a05
JM		 7182 int err;
7183
97ed9a06
KP		 7184 drv->rtnl_sk = nl_socket_alloc();
7185 if (drv->rtnl_sk == NULL) {
7186 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
7187 goto failed;
7188 }
7189
3ea58a05
JM		 7190 err = nl_connect(drv->rtnl_sk, NETLINK_ROUTE);
7191 if (err) {
97ed9a06 7192 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
3ea58a05 7193 nl_geterror(err));
97ed9a06
KP		 7194 goto failed;
7195 }
7196 }
7197#endif /* CONFIG_LIBNL3_ROUTE */
7198
ad1e68e6
JM		 7199 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
7200 if (drv->eapol_sock < 0) {
7ac3616d
JM		 7201 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
7202 strerror(errno));
bbaf0837 7203 goto failed;
ad1e68e6
JM		 7204 }
7205
7206 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
7207 {
7ac3616d 7208 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 7209 goto failed;
ad1e68e6
JM		 7210 }
7211
c81eff1a
BG		 7212 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
7213 params->own_addr))
bbaf0837 7214 goto failed;
fee354c7 7215 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 7216
341eebee
JB		 7217 memcpy(bss->addr, params->own_addr, ETH_ALEN);
7218
a2e40bb6 7219 return bss;
c5121837
JM		 7220
7221failed:
7635bfb0 7222 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 7223 return NULL;
7224}
c5121837 7225
c5121837 7226
bbaf0837
JM		 7227static void i802_deinit(void *priv)
7228{
9ebce9c5
JM		 7229 struct i802_bss *bss = priv;
7230 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 7231}
7232
c5121837 7233
22a7c9d7
JM		 7234static enum nl80211_iftype wpa_driver_nl80211_if_type(
7235 enum wpa_driver_if_type type)
7236{
7237 switch (type) {
7238 case WPA_IF_STATION:
9f51b113 7239 return NL80211_IFTYPE_STATION;
75bde05d
JM		 7240 case WPA_IF_P2P_CLIENT:
7241 case WPA_IF_P2P_GROUP:
9f51b113 7242 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 7243 case WPA_IF_AP_VLAN:
7244 return NL80211_IFTYPE_AP_VLAN;
7245 case WPA_IF_AP_BSS:
7246 return NL80211_IFTYPE_AP;
9f51b113
JB		 7247 case WPA_IF_P2P_GO:
7248 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 7249 case WPA_IF_P2P_DEVICE:
7250 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH		 7251 case WPA_IF_MESH:
7252 return NL80211_IFTYPE_MESH_POINT;
98342208
AK		 7253 default:
7254 return -1;
22a7c9d7 7255 }
22a7c9d7
JM		 7256}
7257
7258
f2ed8023
JM		 7259static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
7260{
7261 struct wpa_driver_nl80211_data *drv;
7262 dl_list_for_each(drv, &global->interfaces,
7263 struct wpa_driver_nl80211_data, list) {
834ee56f 7264 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 7265 return 1;
7266 }
7267 return 0;
7268}
7269
7270
5b78493f 7271static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM		 7272{
7273 unsigned int idx;
7274
7275 if (!drv->global)
7276 return -1;
7277
834ee56f 7278 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 7279 for (idx = 0; idx < 64; idx++) {
834ee56f 7280 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 7281 new_addr[0] ^= idx << 2;
7282 if (!nl80211_addr_in_use(drv->global, new_addr))
7283 break;
7284 }
7285 if (idx == 64)
7286 return -1;
7287
5b78493f 7288 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM		 7289 MACSTR, MAC2STR(new_addr));
7290
7291 return 0;
7292}
7293
7294
f632e483
AS		 7295struct wdev_info {
7296 u64 wdev_id;
7297 int wdev_id_set;
7298 u8 macaddr[ETH_ALEN];
7299};
7300
7301static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 7302{
7303 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7304 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 7305 struct wdev_info *wi = arg;
e472e1b4
AS		 7306
7307 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7308 genlmsg_attrlen(gnlh, 0), NULL);
7309 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 7310 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
7311 wi->wdev_id_set = 1;
e472e1b4
AS		 7312 }
7313
7314 if (tb[NL80211_ATTR_MAC])
f632e483 7315 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 7316 ETH_ALEN);
7317
7318 return NL_SKIP;
7319}
7320
7321
7ab68865 7322static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 7323 const char *ifname, const u8 *addr,
f3585c8a 7324 void *bss_ctx, void **drv_priv,
e17a2477 7325 char *force_ifname, u8 *if_addr,
d8a3b66d
AS		 7326 const char *bridge, int use_existing,
7327 int setup_ap)
22a7c9d7 7328{
e472e1b4 7329 enum nl80211_iftype nlmode;
a2e40bb6
FF		 7330 struct i802_bss *bss = priv;
7331 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 7332 int ifidx;
2aec4f3c 7333 int added = 1;
22a7c9d7 7334
f3585c8a
JM		 7335 if (addr)
7336 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 7337 nlmode = wpa_driver_nl80211_if_type(type);
7338 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 7339 struct wdev_info p2pdev_info;
7340
7341 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 7342 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 7343 0, nl80211_wdev_handler,
2aec4f3c 7344 &p2pdev_info, use_existing);
f632e483 7345 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 7346 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
7347 ifname);
e472e1b4
AS		 7348 return -1;
7349 }
f632e483
AS		 7350
7351 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
7352 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
7353 if (!is_zero_ether_addr(p2pdev_info.macaddr))
7354 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
7355 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
7356 ifname,
7357 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 7358 } else {
7359 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 7360 0, NULL, NULL, use_existing);
7361 if (use_existing && ifidx == -ENFILE) {
7362 added = 0;
7363 ifidx = if_nametoindex(ifname);
7364 } else if (ifidx < 0) {
e472e1b4
AS		 7365 return -1;
7366 }
22a7c9d7
JM		 7367 }
7368
ab7a1add 7369 if (!addr) {
8ea8a89c 7370 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
ab7a1add
AS		 7371 os_memcpy(if_addr, bss->addr, ETH_ALEN);
7372 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8ea8a89c 7373 ifname, if_addr) < 0) {
2aec4f3c
JM		 7374 if (added)
7375 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 7376 return -1;
7377 }
c55f774d
JM		 7378 }
7379
c55f774d
JM		 7380 if (!addr &&
7381 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8ea8a89c
JM		 7382 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
7383 type == WPA_IF_STATION)) {
7384 /* Enforce unique address */
ab7a1add 7385 u8 new_addr[ETH_ALEN];
c55f774d 7386
ab7a1add 7387 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 7388 new_addr) < 0) {
ea39367c
MK		 7389 if (added)
7390 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7391 return -1;
7392 }
f608081c 7393 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 7394 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8ea8a89c 7395 "for interface %s type %d", ifname, type);
5b78493f 7396 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK		 7397 if (added)
7398 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7399 return -1;
7400 }
c81eff1a 7401 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 7402 new_addr) < 0) {
ea39367c
MK		 7403 if (added)
7404 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7405 return -1;
7406 }
c55f774d 7407 }
f67eeb5c 7408 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 7409 }
f3585c8a 7410
d8a3b66d 7411 if (type == WPA_IF_AP_BSS && setup_ap) {
f5eb9da3
JM		 7412 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
7413 if (new_bss == NULL) {
2aec4f3c
JM		 7414 if (added)
7415 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 7416 return -1;
7417 }
7418
7419 if (bridge &&
7420 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
7421 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
7422 "interface %s to a bridge %s",
7423 ifname, bridge);
2aec4f3c
JM		 7424 if (added)
7425 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 7426 os_free(new_bss);
7427 return -1;
7428 }
7429
c81eff1a
BG		 7430 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
7431 {
ea39367c
MK		 7432 if (added)
7433 nl80211_remove_iface(drv, ifidx);
07179987 7434 os_free(new_bss);
22a7c9d7
JM		 7435 return -1;
7436 }
a2e40bb6 7437 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 7438 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 7439 new_bss->ifindex = ifidx;
7440 new_bss->drv = drv;
834ee56f
KP		 7441 new_bss->next = drv->first_bss->next;
7442 new_bss->freq = drv->first_bss->freq;
a5e1eb20 7443 new_bss->ctx = bss_ctx;
2aec4f3c 7444 new_bss->added_if = added;
834ee56f 7445 drv->first_bss->next = new_bss;
a2e40bb6
FF		 7446 if (drv_priv)
7447 *drv_priv = new_bss;
cc7a48d1 7448 nl80211_init_bss(new_bss);
3dd1d890
YAP		 7449
7450 /* Subscribe management frames for this WPA_IF_AP_BSS */
7451 if (nl80211_setup_ap(new_bss))
7452 return -1;
22a7c9d7 7453 }
22a7c9d7 7454
ff6a158b
JM		 7455 if (drv->global)
7456 drv->global->if_add_ifindex = ifidx;
7457
d1bb7aed
JJ		 7458 /*
7459 * Some virtual interfaces need to process EAPOL packets and events on
7460 * the parent interface. This is used mainly with hostapd.
7461 */
7462 if (ifidx > 0 &&
7463 (drv->hostapd ||
7464 nlmode == NL80211_IFTYPE_AP_VLAN ||
7465 nlmode == NL80211_IFTYPE_WDS ||
7466 nlmode == NL80211_IFTYPE_MONITOR))
732b1d20 7467 add_ifidx(drv, ifidx, IFIDX_ANY);
b36935be 7468
22a7c9d7
JM		 7469 return 0;
7470}
7471
7472
9ebce9c5 7473static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 7474 enum wpa_driver_if_type type,
7475 const char *ifname)
7476{
a2e40bb6 7477 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 7478 int ifindex = if_nametoindex(ifname);
7479
2aec4f3c
JM		 7480 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
7481 __func__, type, ifname, ifindex, bss->added_if);
158b090c 7482 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 7483 nl80211_remove_iface(drv, ifindex);
de884303
JM		 7484 else if (ifindex > 0 && !bss->added_if) {
7485 struct wpa_driver_nl80211_data *drv2;
7486 dl_list_for_each(drv2, &drv->global->interfaces,
732b1d20
MB		 7487 struct wpa_driver_nl80211_data, list) {
7488 del_ifidx(drv2, ifindex, IFIDX_ANY);
7489 del_ifidx(drv2, IFIDX_ANY, ifindex);
7490 }
de884303 7491 }
c34e618d 7492
c34e618d
FF		 7493 if (type != WPA_IF_AP_BSS)
7494 return 0;
7495
e17a2477 7496 if (bss->added_if_into_bridge) {
c81eff1a
BG		 7497 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
7498 bss->ifname) < 0)
e17a2477
JM		 7499 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7500 "interface %s from bridge %s: %s",
7501 bss->ifname, bss->brname, strerror(errno));
7502 }
7503 if (bss->added_bridge) {
c81eff1a 7504 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 7505 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7506 "bridge %s: %s",
7507 bss->brname, strerror(errno));
7508 }
a2e40bb6 7509
834ee56f 7510 if (bss != drv->first_bss) {
8546ea19 7511 struct i802_bss *tbss;
a2e40bb6 7512
2aec4f3c 7513 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 7514 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 7515 if (tbss->next == bss) {
7516 tbss->next = bss->next;
3dd1d890
YAP		 7517 /* Unsubscribe management frames */
7518 nl80211_teardown_ap(bss);
cc7a48d1 7519 nl80211_destroy_bss(bss);
5c9da160
MB		 7520 if (!bss->added_if)
7521 i802_set_iface_flags(bss, 0);
8546ea19
JM		 7522 os_free(bss);
7523 bss = NULL;
7524 break;
7525 }
22a7c9d7 7526 }
8546ea19
JM		 7527 if (bss)
7528 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
7529 "BSS %p in the list", __func__, bss);
390e489c 7530 } else {
2aec4f3c 7531 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 7532 nl80211_teardown_ap(bss);
2aec4f3c 7533 if (!bss->added_if && !drv->first_bss->next)
a70cd0db 7534 wpa_driver_nl80211_del_beacon(bss);
390e489c 7535 nl80211_destroy_bss(bss);
2aec4f3c
JM		 7536 if (!bss->added_if)
7537 i802_set_iface_flags(bss, 0);
390e489c
KP		 7538 if (drv->first_bss->next) {
7539 drv->first_bss = drv->first_bss->next;
7540 drv->ctx = drv->first_bss->ctx;
7541 os_free(bss);
7542 } else {
7543 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
7544 }
22a7c9d7 7545 }
22a7c9d7
JM		 7546
7547 return 0;
7548}
7549
7550
55777702
JM		 7551static int cookie_handler(struct nl_msg *msg, void *arg)
7552{
7553 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7554 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7555 u64 *cookie = arg;
7556 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7557 genlmsg_attrlen(gnlh, 0), NULL);
7558 if (tb[NL80211_ATTR_COOKIE])
7559 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
7560 return NL_SKIP;
7561}
7562
7563
88df0ef7 7564static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 7565 unsigned int freq, unsigned int wait,
7566 const u8 *buf, size_t buf_len,
5ad372cc 7567 int save_cookie, int no_cck, int no_ack,
2d3943ce
AO		 7568 int offchanok, const u16 *csa_offs,
7569 size_t csa_offs_len)
9884f9cc 7570{
88df0ef7 7571 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 7572 struct nl_msg *msg;
7573 u64 cookie;
7574 int ret = -1;
7575
cc2ada86 7576 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 7577 "no_ack=%d offchanok=%d",
7578 freq, wait, no_cck, no_ack, offchanok);
c91f796f 7579 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 7580
56f77852 7581 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM		 7582 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
7583 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
7584 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7585 drv->test_use_roc_tx) &&
7586 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
7587 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
7588 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
2d3943ce
AO		 7589 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
7590 csa_offs_len * sizeof(u16), csa_offs)) ||
a862e4a3
JM		 7591 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
7592 goto fail;
9884f9cc
JB		 7593
7594 cookie = 0;
7595 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7596 msg = NULL;
7597 if (ret) {
7598 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 7599 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
7600 freq, wait);
a862e4a3
JM		 7601 } else {
7602 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
7603 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
7604 (long long unsigned int) cookie);
9884f9cc 7605
5ad372cc 7606 if (save_cookie)
81ae8820 7607 drv->send_frame_cookie = no_ack ? (u64) -1 : cookie;
759a8a3a 7608
81ae8820 7609 if (drv->num_send_frame_cookies == MAX_SEND_FRAME_COOKIES) {
759a8a3a 7610 wpa_printf(MSG_DEBUG,
81ae8820 7611 "nl80211: Drop oldest pending send frame cookie 0x%llx",
759a8a3a 7612 (long long unsigned int)
81ae8820
JM		 7613 drv->send_frame_cookies[0]);
7614 os_memmove(&drv->send_frame_cookies[0],
7615 &drv->send_frame_cookies[1],
7616 (MAX_SEND_FRAME_COOKIES - 1) *
759a8a3a 7617 sizeof(u64));
81ae8820 7618 drv->num_send_frame_cookies--;
759a8a3a 7619 }
81ae8820
JM		 7620 drv->send_frame_cookies[drv->num_send_frame_cookies] = cookie;
7621 drv->num_send_frame_cookies++;
a862e4a3 7622 }
9884f9cc 7623
a862e4a3 7624fail:
9884f9cc
JB		 7625 nlmsg_free(msg);
7626 return ret;
7627}
7628
7629
9ebce9c5
JM		 7630static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
7631 unsigned int freq,
190b9062 7632 unsigned int wait_time,
58f6fbe0
JM		 7633 const u8 *dst, const u8 *src,
7634 const u8 *bssid,
b106173a
JM		 7635 const u8 *data, size_t data_len,
7636 int no_cck)
58f6fbe0 7637{
a2e40bb6 7638 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 7639 int ret = -1;
58f6fbe0
JM		 7640 u8 *buf;
7641 struct ieee80211_hdr *hdr;
ff774311
BG		 7642 int offchanok = 1;
7643
7644 if (is_ap_interface(drv->nlmode) && (int) freq == bss->freq)
7645 offchanok = 0;
58f6fbe0 7646
5dfca53f 7647 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
ff774311
BG		 7648 "freq=%u MHz wait=%d ms no_cck=%d offchanok=%d)",
7649 drv->ifindex, freq, wait_time, no_cck, offchanok);
58f6fbe0
JM		 7650
7651 buf = os_zalloc(24 + data_len);
7652 if (buf == NULL)
7653 return ret;
7654 os_memcpy(buf + 24, data, data_len);
7655 hdr = (struct ieee80211_hdr *) buf;
7656 hdr->frame_control =
7657 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
7658 os_memcpy(hdr->addr1, dst, ETH_ALEN);
7659 os_memcpy(hdr->addr2, src, ETH_ALEN);
7660 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
7661
8331c9b3
VK		 7662 if (os_memcmp(bss->addr, src, ETH_ALEN) != 0) {
7663 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
7664 MAC2STR(src));
7665 os_memcpy(bss->rand_addr, src, ETH_ALEN);
7666 } else {
7667 os_memset(bss->rand_addr, 0, ETH_ALEN);
7668 }
7669
f78f2785
JM		 7670 if (is_ap_interface(drv->nlmode) &&
7671 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7672 (int) freq == bss->freq || drv->device_ap_sme ||
7673 !drv->use_monitor))
9ebce9c5 7674 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
ff774311 7675 0, freq, no_cck, offchanok,
27cc06d0 7676 wait_time, NULL, 0, 0);
9884f9cc 7677 else
88df0ef7 7678 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 7679 24 + data_len,
ff774311 7680 1, no_cck, 0, offchanok, NULL, 0);
58f6fbe0 7681
f8bf1421 7682 os_free(buf);
58f6fbe0
JM		 7683 return ret;
7684}
7685
7686
759a8a3a 7687static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
5dfca53f 7688{
5dfca53f
JB		 7689 struct wpa_driver_nl80211_data *drv = bss->drv;
7690 struct nl_msg *msg;
7691 int ret;
7692
316a9e4d 7693 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
759a8a3a 7694 (long long unsigned int) cookie);
56f77852 7695 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
759a8a3a 7696 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
a862e4a3
JM		 7697 nlmsg_free(msg);
7698 return;
7699 }
5dfca53f
JB		 7700
7701 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB		 7702 if (ret)
7703 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
7704 "(%s)", ret, strerror(-ret));
5dfca53f
JB		 7705}
7706
7707
759a8a3a
JM		 7708static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
7709{
7710 struct i802_bss *bss = priv;
7711 struct wpa_driver_nl80211_data *drv = bss->drv;
7712 unsigned int i;
7713 u64 cookie;
7714
7715 /* Cancel the last pending TX cookie */
81ae8820 7716 nl80211_frame_wait_cancel(bss, drv->send_frame_cookie);
759a8a3a
JM		 7717
7718 /*
7719 * Cancel the other pending TX cookies, if any. This is needed since
7720 * the driver may keep a list of all pending offchannel TX operations
7721 * and free up the radio only once they have expired or cancelled.
7722 */
81ae8820
JM		 7723 for (i = drv->num_send_frame_cookies; i > 0; i--) {
7724 cookie = drv->send_frame_cookies[i - 1];
7725 if (cookie != drv->send_frame_cookie)
759a8a3a
JM		 7726 nl80211_frame_wait_cancel(bss, cookie);
7727 }
81ae8820 7728 drv->num_send_frame_cookies = 0;
759a8a3a
JM		 7729}
7730
7731
55777702
JM		 7732static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
7733 unsigned int duration)
7734{
a2e40bb6
FF		 7735 struct i802_bss *bss = priv;
7736 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7737 struct nl_msg *msg;
7738 int ret;
7739 u64 cookie;
7740
56f77852 7741 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM		 7742 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
7743 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
7744 nlmsg_free(msg);
7745 return -1;
7746 }
55777702
JM		 7747
7748 cookie = 0;
7749 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7750 if (ret == 0) {
7751 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
7752 "0x%llx for freq=%u MHz duration=%u",
7753 (long long unsigned int) cookie, freq, duration);
7754 drv->remain_on_chan_cookie = cookie;
531f0331 7755 drv->pending_remain_on_chan = 1;
55777702
JM		 7756 return 0;
7757 }
7758 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 7759 "(freq=%d duration=%u): %d (%s)",
7760 freq, duration, ret, strerror(-ret));
55777702
JM		 7761 return -1;
7762}
7763
7764
7765static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
7766{
a2e40bb6
FF		 7767 struct i802_bss *bss = priv;
7768 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7769 struct nl_msg *msg;
7770 int ret;
7771
7772 if (!drv->pending_remain_on_chan) {
7773 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
7774 "to cancel");
7775 return -1;
7776 }
7777
7778 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
7779 "0x%llx",
7780 (long long unsigned int) drv->remain_on_chan_cookie);
7781
56f77852
JM		 7782 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
7783 if (!msg ||
a862e4a3
JM		 7784 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
7785 nlmsg_free(msg);
7786 return -1;
7787 }
55777702
JM		 7788
7789 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7790 if (ret == 0)
7791 return 0;
7792 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
7793 "%d (%s)", ret, strerror(-ret));
55777702
JM		 7794 return -1;
7795}
7796
7797
9ebce9c5 7798static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 7799{
a2e40bb6 7800 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 7801
5582a5d1 7802 if (!report) {
0d891981 7803 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 7804 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
7805 !bss->static_ap) {
0d891981
JM		 7806 /*
7807 * Do not disable Probe Request reporting that was
7808 * enabled in nl80211_setup_ap().
7809 */
7810 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
7811 "Probe Request reporting nl_preq=%p while "
7812 "in AP mode", bss->nl_preq);
7813 } else if (bss->nl_preq) {
36488c05
JM		 7814 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
7815 "reporting nl_preq=%p", bss->nl_preq);
40a68f33 7816 nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
5582a5d1
JB		 7817 }
7818 return 0;
7819 }
7820
481234cf 7821 if (bss->nl_preq) {
5582a5d1 7822 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 7823 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 7824 return 0;
7825 }
7826
481234cf
JM		 7827 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
7828 if (bss->nl_preq == NULL)
5582a5d1 7829 return -1;
36488c05
JM		 7830 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
7831 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 7832
481234cf 7833 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 7834 (WLAN_FC_TYPE_MGMT << 2) |
7835 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 7836 NULL, 0) < 0)
7837 goto out_err;
5582a5d1 7838
5f65e9f7
JB		 7839 nl80211_register_eloop_read(&bss->nl_preq,
7840 wpa_driver_nl80211_event_receive,
40a68f33 7841 bss->nl_cb, 0);
5582a5d1 7842
504e905c 7843 return 0;
5582a5d1 7844
a92dfde8 7845 out_err:
221a59c9 7846 nl_destroy_handles(&bss->nl_preq);
5582a5d1 7847 return -1;
504e905c
JM		 7848}
7849
7850
4e5cb1a3
JM		 7851static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
7852 int ifindex, int disabled)
7853{
7854 struct nl_msg *msg;
7855 struct nlattr *bands, *band;
7856 int ret;
7857
3e208481
JM		 7858 wpa_printf(MSG_DEBUG,
7859 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
7860 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
7861 "no NL80211_TXRATE_LEGACY constraint");
7862
95376e1a
JM		 7863 msg = nl80211_ifindex_msg(drv, ifindex, 0,
7864 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 7865 if (!msg)
7866 return -1;
7867
4e5cb1a3
JM		 7868 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
7869 if (!bands)
a862e4a3 7870 goto fail;
4e5cb1a3
JM		 7871
7872 /*
7873 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
7874 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
7875 * rates. All 5 GHz rates are left enabled.
7876 */
7877 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM		 7878 if (!band ||
7879 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
7880 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
7881 goto fail;
4e5cb1a3
JM		 7882 nla_nest_end(msg, band);
7883
7884 nla_nest_end(msg, bands);
7885
7886 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM		 7887 if (ret) {
7888 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
7889 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 7890 } else
7891 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 7892
7893 return ret;
7894
a862e4a3 7895fail:
4e5cb1a3
JM		 7896 nlmsg_free(msg);
7897 return -1;
7898}
7899
7900
af473088
JM		 7901static int wpa_driver_nl80211_deinit_ap(void *priv)
7902{
a2e40bb6
FF		 7903 struct i802_bss *bss = priv;
7904 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 7905 if (!is_ap_interface(drv->nlmode))
af473088 7906 return -1;
a70cd0db 7907 wpa_driver_nl80211_del_beacon(bss);
9bc5cfa3 7908 bss->beacon_set = 0;
60b13c20
IP		 7909
7910 /*
7911 * If the P2P GO interface was dynamically added, then it is
7912 * possible that the interface change to station is not possible.
7913 */
7914 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
7915 return 0;
7916
b1f625e0 7917 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 7918}
7919
7920
695c7038
SW		 7921static int wpa_driver_nl80211_stop_ap(void *priv)
7922{
7923 struct i802_bss *bss = priv;
7924 struct wpa_driver_nl80211_data *drv = bss->drv;
7925 if (!is_ap_interface(drv->nlmode))
7926 return -1;
a70cd0db 7927 wpa_driver_nl80211_del_beacon(bss);
695c7038
SW		 7928 bss->beacon_set = 0;
7929 return 0;
7930}
7931
7932
3c29244e
EP		 7933static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
7934{
7935 struct i802_bss *bss = priv;
7936 struct wpa_driver_nl80211_data *drv = bss->drv;
7937 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
7938 return -1;
60b13c20
IP		 7939
7940 /*
7941 * If the P2P Client interface was dynamically added, then it is
7942 * possible that the interface change to station is not possible.
7943 */
7944 if (bss->if_dynamic)
7945 return 0;
7946
3c29244e
EP		 7947 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7948}
7949
7950
207ef3fb
JM		 7951static void wpa_driver_nl80211_resume(void *priv)
7952{
a2e40bb6 7953 struct i802_bss *bss = priv;
e8dc205f 7954 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
91724d6f
AS		 7955
7956 if (i802_set_iface_flags(bss, 1))
7957 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
e8dc205f
AO		 7958
7959 if (is_p2p_net_interface(nlmode))
7960 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
207ef3fb
JM		 7961}
7962
7963
b625473c
JM		 7964static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
7965{
7966 struct i802_bss *bss = priv;
7967 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 7968 struct nl_msg *msg;
7969 struct nlattr *cqm;
b625473c
JM		 7970
7971 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
7972 "hysteresis=%d", threshold, hysteresis);
7973
13f83980 7974 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM		 7975 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
7976 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
7977 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
7978 nlmsg_free(msg);
7979 return -1;
7980 }
8970bae8 7981 nla_nest_end(msg, cqm);
21270bb4 7982
a862e4a3 7983 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 7984}
7985
7986
2cc8d8f4
AO		 7987static int get_channel_width(struct nl_msg *msg, void *arg)
7988{
7989 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7990 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7991 struct wpa_signal_info *sig_change = arg;
7992
7993 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7994 genlmsg_attrlen(gnlh, 0), NULL);
7995
7996 sig_change->center_frq1 = -1;
7997 sig_change->center_frq2 = -1;
7998 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
7999
8000 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
8001 sig_change->chanwidth = convert2width(
8002 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
8003 if (tb[NL80211_ATTR_CENTER_FREQ1])
8004 sig_change->center_frq1 =
8005 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
8006 if (tb[NL80211_ATTR_CENTER_FREQ2])
8007 sig_change->center_frq2 =
8008 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
8009 }
8010
8011 return NL_SKIP;
8012}
8013
8014
8015static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
8016 struct wpa_signal_info *sig)
8017{
8018 struct nl_msg *msg;
8019
9725b784 8020 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 8021 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO		 8022}
8023
8024
1c5c7273
PS		 8025static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
8026{
8027 struct i802_bss *bss = priv;
8028 struct wpa_driver_nl80211_data *drv = bss->drv;
8029 int res;
8030
8031 os_memset(si, 0, sizeof(*si));
8032 res = nl80211_get_link_signal(drv, si);
1d6955e6
JM		 8033 if (res) {
8034 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
8035 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
8036 return res;
8037 si->current_signal = 0;
8038 }
1c5c7273 8039
2cc8d8f4
AO		 8040 res = nl80211_get_channel_width(drv, si);
8041 if (res != 0)
8042 return res;
8043
1c5c7273
PS		 8044 return nl80211_get_link_noise(drv, si);
8045}
8046
8047
c55f774d
JM		 8048static int nl80211_set_param(void *priv, const char *param)
8049{
ef24ad3e
JM		 8050 struct i802_bss *bss = priv;
8051 struct wpa_driver_nl80211_data *drv = bss->drv;
8052
c55f774d
JM		 8053 if (param == NULL)
8054 return 0;
99a94f55 8055 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
c55f774d
JM		 8056
8057#ifdef CONFIG_P2P
8058 if (os_strstr(param, "use_p2p_group_interface=1")) {
8059 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
8060 "interface");
8061 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
8062 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
8063 }
8064#endif /* CONFIG_P2P */
8065
ef24ad3e 8066 if (os_strstr(param, "use_monitor=1"))
327b01d3 8067 drv->use_monitor = 1;
327b01d3
JM		 8068
8069 if (os_strstr(param, "force_connect_cmd=1")) {
327b01d3 8070 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 8071 drv->force_connect_cmd = 1;
327b01d3
JM		 8072 }
8073
ef24ad3e 8074 if (os_strstr(param, "force_bss_selection=1"))
4d584d8c 8075 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
4d584d8c 8076
64abb725 8077 if (os_strstr(param, "no_offchannel_tx=1")) {
64abb725
JM		 8078 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
8079 drv->test_use_roc_tx = 1;
8080 }
8081
c52129be
JM		 8082 if (os_strstr(param, "control_port=0"))
8083 drv->capa.flags &= ~WPA_DRIVER_FLAGS_CONTROL_PORT;
8084
c55f774d
JM		 8085 return 0;
8086}
8087
8088
45e3fc72 8089static void * nl80211_global_init(void *ctx)
f2ed8023
JM		 8090{
8091 struct nl80211_global *global;
36d84860
BG		 8092 struct netlink_config *cfg;
8093
f2ed8023
JM		 8094 global = os_zalloc(sizeof(*global));
8095 if (global == NULL)
8096 return NULL;
45e3fc72 8097 global->ctx = ctx;
c81eff1a 8098 global->ioctl_sock = -1;
f2ed8023 8099 dl_list_init(&global->interfaces);
ff6a158b 8100 global->if_add_ifindex = -1;
36d84860
BG		 8101
8102 cfg = os_zalloc(sizeof(*cfg));
8103 if (cfg == NULL)
8104 goto err;
8105
8106 cfg->ctx = global;
8107 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
8108 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
8109 global->netlink = netlink_init(cfg);
8110 if (global->netlink == NULL) {
8111 os_free(cfg);
8112 goto err;
8113 }
8114
2a7b66f5
BG		 8115 if (wpa_driver_nl80211_init_nl_global(global) < 0)
8116 goto err;
8117
c81eff1a
BG		 8118 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
8119 if (global->ioctl_sock < 0) {
7ac3616d
JM		 8120 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
8121 strerror(errno));
c81eff1a
BG		 8122 goto err;
8123 }
8124
f2ed8023 8125 return global;
36d84860
BG		 8126
8127err:
8128 nl80211_global_deinit(global);
8129 return NULL;
f2ed8023
JM		 8130}
8131
8132
8133static void nl80211_global_deinit(void *priv)
8134{
8135 struct nl80211_global *global = priv;
8136 if (global == NULL)
8137 return;
8138 if (!dl_list_empty(&global->interfaces)) {
8139 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
8140 "nl80211_global_deinit",
8141 dl_list_len(&global->interfaces));
8142 }
36d84860
BG		 8143
8144 if (global->netlink)
8145 netlink_deinit(global->netlink);
8146
276e2d67
BG		 8147 nl_destroy_handles(&global->nl);
8148
5f65e9f7 8149 if (global->nl_event)
40a68f33 8150 nl80211_destroy_eloop_handle(&global->nl_event, 0);
d6c9aab8
JB		 8151
8152 nl_cb_put(global->nl_cb);
2a7b66f5 8153
c81eff1a
BG		 8154 if (global->ioctl_sock >= 0)
8155 close(global->ioctl_sock);
8156
f2ed8023
JM		 8157 os_free(global);
8158}
8159
8160
6859f1cb
BG		 8161static const char * nl80211_get_radio_name(void *priv)
8162{
8163 struct i802_bss *bss = priv;
8164 struct wpa_driver_nl80211_data *drv = bss->drv;
8165 return drv->phyname;
8166}
8167
8168
061a3d3d
VK		 8169static int nl80211_pmkid(struct i802_bss *bss, int cmd,
8170 struct wpa_pmkid_params *params)
a6efc65d
JM		 8171{
8172 struct nl_msg *msg;
0887215d 8173 const size_t PMK_MAX_LEN = 48; /* current cfg80211 limit */
a6efc65d 8174
13f83980 8175 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
061a3d3d
VK		 8176 (params->pmkid &&
8177 nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
8178 (params->bssid &&
8179 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
8180 (params->ssid_len &&
8181 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
8182 (params->fils_cache_id &&
8183 nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
8184 params->fils_cache_id)) ||
c6ec9759 8185 (cmd != NL80211_CMD_DEL_PMKSA &&
8186 params->pmk_len && params->pmk_len <= PMK_MAX_LEN &&
061a3d3d 8187 nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
6110753b 8188 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 8189 nlmsg_free(msg);
8190 return -ENOBUFS;
8191 }
a6efc65d 8192
6110753b 8193 return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1);
a6efc65d
JM		 8194}
8195
8196
6fbb5414 8197static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 8198{
8199 struct i802_bss *bss = priv;
e7f6e6ee 8200 int ret;
061a3d3d
VK		 8201
8202 if (params->bssid)
8203 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
8204 MAC2STR(params->bssid));
8205 else if (params->fils_cache_id && params->ssid_len) {
8206 wpa_printf(MSG_DEBUG,
8207 "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
8208 params->fils_cache_id[0], params->fils_cache_id[1],
8209 wpa_ssid_txt(params->ssid, params->ssid_len));
8210 }
8211
e7f6e6ee
JM		 8212 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params);
8213 if (ret < 0) {
8214 wpa_printf(MSG_DEBUG,
8215 "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)",
8216 ret, strerror(-ret));
8217 }
8218
8219 return ret;
a6efc65d
JM		 8220}
8221
8222
6fbb5414 8223static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 8224{
8225 struct i802_bss *bss = priv;
e7f6e6ee 8226 int ret;
061a3d3d
VK		 8227
8228 if (params->bssid)
8229 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
8230 MAC2STR(params->bssid));
8231 else if (params->fils_cache_id && params->ssid_len) {
8232 wpa_printf(MSG_DEBUG,
8233 "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
8234 params->fils_cache_id[0], params->fils_cache_id[1],
8235 wpa_ssid_txt(params->ssid, params->ssid_len));
8236 }
8237
e7f6e6ee
JM		 8238 ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params);
8239 if (ret < 0) {
8240 wpa_printf(MSG_DEBUG,
8241 "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)",
8242 ret, strerror(-ret));
8243 }
8244
8245 return ret;
a6efc65d
JM		 8246}
8247
8248
8249static int nl80211_flush_pmkid(void *priv)
8250{
8251 struct i802_bss *bss = priv;
061a3d3d
VK		 8252 struct nl_msg *msg;
8253
a6efc65d 8254 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
061a3d3d
VK		 8255 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
8256 if (!msg)
8257 return -ENOBUFS;
8258 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 8259}
8260
8261
0185007c
MK		 8262static void clean_survey_results(struct survey_results *survey_results)
8263{
8264 struct freq_survey *survey, *tmp;
8265
8266 if (dl_list_empty(&survey_results->survey_list))
8267 return;
8268
8269 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
8270 struct freq_survey, list) {
8271 dl_list_del(&survey->list);
8272 os_free(survey);
8273 }
8274}
8275
8276
8277static void add_survey(struct nlattr **sinfo, u32 ifidx,
8278 struct dl_list *survey_list)
8279{
8280 struct freq_survey *survey;
8281
8282 survey = os_zalloc(sizeof(struct freq_survey));
8283 if (!survey)
8284 return;
8285
8286 survey->ifidx = ifidx;
8287 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8288 survey->filled = 0;
8289
8290 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
8291 survey->nf = (int8_t)
8292 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
8293 survey->filled |= SURVEY_HAS_NF;
8294 }
8295
8296 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
8297 survey->channel_time =
8298 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
8299 survey->filled |= SURVEY_HAS_CHAN_TIME;
8300 }
8301
8302 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
8303 survey->channel_time_busy =
8304 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
8305 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
8306 }
8307
8308 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
8309 survey->channel_time_rx =
8310 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
8311 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
8312 }
8313
8314 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
8315 survey->channel_time_tx =
8316 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
8317 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
8318 }
8319
8320 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)",
8321 survey->freq,
8322 survey->nf,
8323 (unsigned long int) survey->channel_time,
8324 (unsigned long int) survey->channel_time_busy,
8325 (unsigned long int) survey->channel_time_tx,
8326 (unsigned long int) survey->channel_time_rx,
8327 survey->filled);
8328
8329 dl_list_add_tail(survey_list, &survey->list);
8330}
8331
8332
8333static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
8334 unsigned int freq_filter)
8335{
8336 if (!freq_filter)
8337 return 1;
8338
8339 return freq_filter == surveyed_freq;
8340}
8341
8342
8343static int survey_handler(struct nl_msg *msg, void *arg)
8344{
8345 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8346 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8347 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
8348 struct survey_results *survey_results;
8349 u32 surveyed_freq = 0;
8350 u32 ifidx;
8351
8352 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
8353 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
8354 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
8355 };
8356
8357 survey_results = (struct survey_results *) arg;
8358
8359 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8360 genlmsg_attrlen(gnlh, 0), NULL);
8361
e28f39b7
SJ		 8362 if (!tb[NL80211_ATTR_IFINDEX])
8363 return NL_SKIP;
8364
0185007c
MK		 8365 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
8366
8367 if (!tb[NL80211_ATTR_SURVEY_INFO])
8368 return NL_SKIP;
8369
8370 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
8371 tb[NL80211_ATTR_SURVEY_INFO],
8372 survey_policy))
8373 return NL_SKIP;
8374
8375 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
8376 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
8377 return NL_SKIP;
8378 }
8379
8380 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8381
8382 if (!check_survey_ok(sinfo, surveyed_freq,
8383 survey_results->freq_filter))
8384 return NL_SKIP;
8385
8386 if (survey_results->freq_filter &&
8387 survey_results->freq_filter != surveyed_freq) {
8388 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
8389 surveyed_freq);
8390 return NL_SKIP;
8391 }
8392
8393 add_survey(sinfo, ifidx, &survey_results->survey_list);
8394
8395 return NL_SKIP;
8396}
8397
8398
8399static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
8400{
8401 struct i802_bss *bss = priv;
8402 struct wpa_driver_nl80211_data *drv = bss->drv;
8403 struct nl_msg *msg;
9725b784 8404 int err;
0185007c
MK		 8405 union wpa_event_data data;
8406 struct survey_results *survey_results;
8407
8408 os_memset(&data, 0, sizeof(data));
8409 survey_results = &data.survey_results;
8410
8411 dl_list_init(&survey_results->survey_list);
8412
9725b784 8413 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 8414 if (!msg)
a862e4a3 8415 return -ENOBUFS;
0185007c 8416
0185007c
MK		 8417 if (freq)
8418 data.survey_results.freq_filter = freq;
8419
8420 do {
8421 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
8422 err = send_and_recv_msgs(drv, msg, survey_handler,
8423 survey_results);
8424 } while (err > 0);
8425
a862e4a3 8426 if (err)
0185007c 8427 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM		 8428 else
8429 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 8430
0185007c 8431 clean_survey_results(survey_results);
0185007c
MK		 8432 return err;
8433}
8434
8435
98cd3d1c
JM		 8436static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
8437 const u8 *kck, size_t kck_len,
b14a210c
JB		 8438 const u8 *replay_ctr)
8439{
8440 struct i802_bss *bss = priv;
8441 struct wpa_driver_nl80211_data *drv = bss->drv;
8442 struct nlattr *replay_nested;
8443 struct nl_msg *msg;
64ae2447 8444 int ret;
b14a210c 8445
64ae2447
JM		 8446 if (!drv->set_rekey_offload)
8447 return;
8448
8449 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
13f83980 8450 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3 8451 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
98cd3d1c 8452 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
b6ea7642 8453 (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
a862e4a3
JM		 8454 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
8455 replay_ctr)) {
bbd89bfc 8456 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 8457 nlmsg_free(msg);
8458 return;
8459 }
b14a210c
JB		 8460
8461 nla_nest_end(msg, replay_nested);
8462
64ae2447
JM		 8463 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
8464 if (ret == -EOPNOTSUPP) {
8465 wpa_printf(MSG_DEBUG,
8466 "nl80211: Driver does not support rekey offload");
8467 drv->set_rekey_offload = 0;
8468 }
b14a210c
JB		 8469}
8470
8471
39718852
JB		 8472static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
8473 const u8 *addr, int qos)
bcf24348 8474{
39718852
JB		 8475 /* send data frame to poll STA and check whether
8476 * this frame is ACKed */
bcf24348
JB		 8477 struct {
8478 struct ieee80211_hdr hdr;
8479 u16 qos_ctl;
8480 } STRUCT_PACKED nulldata;
8481 size_t size;
8482
8483 /* Send data frame to poll STA and check whether this frame is ACKed */
8484
8485 os_memset(&nulldata, 0, sizeof(nulldata));
8486
8487 if (qos) {
8488 nulldata.hdr.frame_control =
8489 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8490 WLAN_FC_STYPE_QOS_NULL);
8491 size = sizeof(nulldata);
8492 } else {
8493 nulldata.hdr.frame_control =
8494 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8495 WLAN_FC_STYPE_NULLFUNC);
8496 size = sizeof(struct ieee80211_hdr);
8497 }
8498
8499 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
8500 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
8501 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
8502 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
8503
9ebce9c5 8504 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
27cc06d0 8505 0, 0, NULL, 0, 0) < 0)
bcf24348
JB		 8506 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
8507 "send poll frame");
8508}
8509
39718852
JB		 8510static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
8511 int qos)
8512{
8513 struct i802_bss *bss = priv;
8514 struct wpa_driver_nl80211_data *drv = bss->drv;
8515 struct nl_msg *msg;
323a51cc 8516 u64 cookie;
fc99fab7 8517 int ret;
39718852
JB		 8518
8519 if (!drv->poll_command_supported) {
8520 nl80211_send_null_frame(bss, own_addr, addr, qos);
8521 return;
8522 }
8523
13f83980 8524 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM		 8525 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8526 nlmsg_free(msg);
8527 return;
8528 }
39718852 8529
323a51cc 8530 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
fc99fab7
JM		 8531 if (ret < 0) {
8532 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
8533 MACSTR " failed: ret=%d (%s)",
8534 MAC2STR(addr), ret, strerror(-ret));
323a51cc
IP		 8535 } else {
8536 wpa_printf(MSG_DEBUG,
8537 "nl80211: Client probe request addr=" MACSTR
8538 " cookie=%llu", MAC2STR(addr),
8539 (long long unsigned int) cookie);
fc99fab7 8540 }
39718852
JB		 8541}
8542
bcf24348 8543
29f338af
JM		 8544static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
8545{
8546 struct nl_msg *msg;
1baa130b 8547 int ret;
29f338af 8548
13f83980 8549 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM		 8550 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
8551 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
8552 nlmsg_free(msg);
8553 return -ENOBUFS;
8554 }
1baa130b
JM		 8555
8556 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8557 if (ret < 0) {
8558 wpa_printf(MSG_DEBUG,
8559 "nl80211: Setting PS state %s failed: %d (%s)",
8560 enabled ? "enabled" : "disabled",
8561 ret, strerror(-ret));
8562 }
8563 return ret;
29f338af
JM		 8564}
8565
8566
8567static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
8568 int ctwindow)
8569{
8570 struct i802_bss *bss = priv;
8571
8572 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
8573 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
8574
0de38036
JM		 8575 if (opp_ps != -1 || ctwindow != -1) {
8576#ifdef ANDROID_P2P
8577 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
8578#else /* ANDROID_P2P */
29f338af 8579 return -1; /* Not yet supported */
0de38036
JM		 8580#endif /* ANDROID_P2P */
8581 }
29f338af
JM		 8582
8583 if (legacy_ps == -1)
8584 return 0;
8585 if (legacy_ps != 0 && legacy_ps != 1)
8586 return -1; /* Not yet supported */
8587
8588 return nl80211_set_power_save(bss, legacy_ps);
8589}
8590
8591
04e8003c
JD		 8592static int nl80211_start_radar_detection(void *priv,
8593 struct hostapd_freq_params *freq)
f90e9c1c
SW		 8594{
8595 struct i802_bss *bss = priv;
8596 struct wpa_driver_nl80211_data *drv = bss->drv;
8597 struct nl_msg *msg;
8598 int ret;
8599
ad9a1bfe
JC		 8600 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)",
8601 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
04e8003c
JD		 8602 freq->bandwidth, freq->center_freq1, freq->center_freq2);
8603
f90e9c1c
SW		 8604 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
8605 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
8606 "detection");
8607 return -1;
8608 }
8609
9725b784 8610 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM		 8611 nl80211_put_freq_params(msg, freq) < 0) {
8612 nlmsg_free(msg);
8613 return -1;
8614 }
f90e9c1c
SW		 8615
8616 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8617 if (ret == 0)
8618 return 0;
8619 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
8620 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW		 8621 return -1;
8622}
8623
03ea1786
AN		 8624#ifdef CONFIG_TDLS
8625
8626static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
8627 u8 dialog_token, u16 status_code,
984dadc2
AN		 8628 u32 peer_capab, int initiator, const u8 *buf,
8629 size_t len)
03ea1786
AN		 8630{
8631 struct i802_bss *bss = priv;
8632 struct wpa_driver_nl80211_data *drv = bss->drv;
8633 struct nl_msg *msg;
8634
8635 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8636 return -EOPNOTSUPP;
8637
8638 if (!dst)
8639 return -EINVAL;
8640
9725b784 8641 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM		 8642 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
8643 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
8644 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
8645 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
8646 goto fail;
96ecea5e
SD		 8647 if (peer_capab) {
8648 /*
8649 * The internal enum tdls_peer_capability definition is
8650 * currently identical with the nl80211 enum
8651 * nl80211_tdls_peer_capability, so no conversion is needed
8652 * here.
8653 */
a862e4a3
JM		 8654 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
8655 peer_capab))
8656 goto fail;
96ecea5e 8657 }
a862e4a3
JM		 8658 if ((initiator &&
8659 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
8660 nla_put(msg, NL80211_ATTR_IE, len, buf))
8661 goto fail;
03ea1786
AN		 8662
8663 return send_and_recv_msgs(drv, msg, NULL, NULL);
8664
a862e4a3 8665fail:
03ea1786
AN		 8666 nlmsg_free(msg);
8667 return -ENOBUFS;
8668}
8669
8670
8671static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
8672{
8673 struct i802_bss *bss = priv;
8674 struct wpa_driver_nl80211_data *drv = bss->drv;
8675 struct nl_msg *msg;
8676 enum nl80211_tdls_operation nl80211_oper;
b2442f25 8677 int res;
03ea1786
AN		 8678
8679 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8680 return -EOPNOTSUPP;
8681
8682 switch (oper) {
8683 case TDLS_DISCOVERY_REQ:
8684 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
8685 break;
8686 case TDLS_SETUP:
8687 nl80211_oper = NL80211_TDLS_SETUP;
8688 break;
8689 case TDLS_TEARDOWN:
8690 nl80211_oper = NL80211_TDLS_TEARDOWN;
8691 break;
8692 case TDLS_ENABLE_LINK:
8693 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
8694 break;
8695 case TDLS_DISABLE_LINK:
8696 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
8697 break;
8698 case TDLS_ENABLE:
8699 return 0;
8700 case TDLS_DISABLE:
8701 return 0;
8702 default:
8703 return -EINVAL;
8704 }
8705
9725b784 8706 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 8707 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM		 8708 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
8709 nlmsg_free(msg);
8710 return -ENOBUFS;
8711 }
03ea1786 8712
b2442f25
JM		 8713 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8714 wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
8715 " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
8716 strerror(-res));
8717 return res;
03ea1786
AN		 8718}
8719
72b2605f
AN		 8720
8721static int
8722nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
8723 const struct hostapd_freq_params *params)
8724{
8725 struct i802_bss *bss = priv;
8726 struct wpa_driver_nl80211_data *drv = bss->drv;
8727 struct nl_msg *msg;
8728 int ret = -ENOBUFS;
8729
8730 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8731 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8732 return -EOPNOTSUPP;
8733
8734 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
8735 " oper_class=%u freq=%u",
8736 MAC2STR(addr), oper_class, params->freq);
8737 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
8738 if (!msg ||
8739 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8740 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
8741 (ret = nl80211_put_freq_params(msg, params))) {
8742 nlmsg_free(msg);
8743 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
8744 return ret;
8745 }
8746
8747 return send_and_recv_msgs(drv, msg, NULL, NULL);
8748}
8749
8750
8751static int
8752nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
8753{
8754 struct i802_bss *bss = priv;
8755 struct wpa_driver_nl80211_data *drv = bss->drv;
8756 struct nl_msg *msg;
8757
8758 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8759 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8760 return -EOPNOTSUPP;
8761
8762 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
8763 MAC2STR(addr));
8764 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
8765 if (!msg ||
8766 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8767 nlmsg_free(msg);
8768 wpa_printf(MSG_DEBUG,
8769 "nl80211: Could not build TDLS cancel chan switch");
8770 return -ENOBUFS;
8771 }
8772
8773 return send_and_recv_msgs(drv, msg, NULL, NULL);
8774}
8775
03ea1786
AN		 8776#endif /* CONFIG TDLS */
8777
8778
f8225464
JM		 8779static int driver_nl80211_set_key(void *priv,
8780 struct wpa_driver_set_key_params *params)
9ebce9c5
JM		 8781{
8782 struct i802_bss *bss = priv;
f8225464 8783
3df4c05a 8784 return wpa_driver_nl80211_set_key(bss, params);
9ebce9c5
JM		 8785}
8786
8787
8788static int driver_nl80211_scan2(void *priv,
8789 struct wpa_driver_scan_params *params)
8790{
8791 struct i802_bss *bss = priv;
b658547d 8792#ifdef CONFIG_DRIVER_NL80211_QCA
adcd7c4b
KV		 8793 struct wpa_driver_nl80211_data *drv = bss->drv;
8794
8795 /*
8796 * Do a vendor specific scan if possible. If only_new_results is
8797 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
8798 * cannot be achieved through a vendor scan. The below condition may
8799 * need to be modified if new scan flags are added in the future whose
8800 * functionality can only be achieved through a normal scan.
8801 */
8802 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
8803 return wpa_driver_nl80211_vendor_scan(bss, params);
b658547d 8804#endif /* CONFIG_DRIVER_NL80211_QCA */
9ebce9c5
JM		 8805 return wpa_driver_nl80211_scan(bss, params);
8806}
8807
8808
8809static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
4be17ffb 8810 u16 reason_code)
9ebce9c5
JM		 8811{
8812 struct i802_bss *bss = priv;
8813 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
8814}
8815
8816
8817static int driver_nl80211_authenticate(void *priv,
8818 struct wpa_driver_auth_params *params)
8819{
8820 struct i802_bss *bss = priv;
8821 return wpa_driver_nl80211_authenticate(bss, params);
8822}
8823
8824
8825static void driver_nl80211_deinit(void *priv)
8826{
8827 struct i802_bss *bss = priv;
8828 wpa_driver_nl80211_deinit(bss);
8829}
8830
8831
8832static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
8833 const char *ifname)
8834{
8835 struct i802_bss *bss = priv;
8836 return wpa_driver_nl80211_if_remove(bss, type, ifname);
8837}
8838
8839
8840static int driver_nl80211_send_mlme(void *priv, const u8 *data,
5d180a77 8841 size_t data_len, int noack,
2d3943ce 8842 unsigned int freq,
665a3007
JM		 8843 const u16 *csa_offs, size_t csa_offs_len,
8844 int no_encrypt)
9ebce9c5
JM		 8845{
8846 struct i802_bss *bss = priv;
8847 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
2d3943ce 8848 freq, 0, 0, 0, csa_offs,
27cc06d0 8849 csa_offs_len, no_encrypt);
9ebce9c5
JM		 8850}
8851
8852
8853static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
8854{
8855 struct i802_bss *bss = priv;
59d7148a 8856 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 8857}
8858
8859
9ebce9c5
JM		 8860static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
8861 const char *ifname, int vlan_id)
8862{
8863 struct i802_bss *bss = priv;
8864 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
8865}
9ebce9c5
JM		 8866
8867
8868static int driver_nl80211_read_sta_data(void *priv,
8869 struct hostap_sta_driver_data *data,
8870 const u8 *addr)
8871{
8872 struct i802_bss *bss = priv;
7824bf77
JC		 8873
8874 os_memset(data, 0, sizeof(*data));
9ebce9c5
JM		 8875 return i802_read_sta_data(bss, data, addr);
8876}
8877
8878
8879static int driver_nl80211_send_action(void *priv, unsigned int freq,
8880 unsigned int wait_time,
8881 const u8 *dst, const u8 *src,
8882 const u8 *bssid,
8883 const u8 *data, size_t data_len,
8884 int no_cck)
8885{
8886 struct i802_bss *bss = priv;
8887 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
8888 bssid, data, data_len, no_cck);
8889}
8890
8891
8892static int driver_nl80211_probe_req_report(void *priv, int report)
8893{
8894 struct i802_bss *bss = priv;
8895 return wpa_driver_nl80211_probe_req_report(bss, report);
8896}
8897
8898
6a1ce395
DG		 8899static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
8900 const u8 *ies, size_t ies_len)
8901{
8902 int ret;
8903 struct nl_msg *msg;
8904 struct i802_bss *bss = priv;
8905 struct wpa_driver_nl80211_data *drv = bss->drv;
8906 u16 mdid = WPA_GET_LE16(md);
8907
6a1ce395 8908 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 8909 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM		 8910 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
8911 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
8912 nlmsg_free(msg);
8913 return -ENOBUFS;
8914 }
6a1ce395
DG		 8915
8916 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8917 if (ret) {
8918 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
8919 "err=%d (%s)", ret, strerror(-ret));
8920 }
8921
8922 return ret;
6a1ce395
DG		 8923}
8924
8925
d1836e23
LD		 8926static int nl80211_update_dh_ie(void *priv, const u8 *peer_mac,
8927 u16 reason_code, const u8 *ie, size_t ie_len)
8928{
8929 int ret;
8930 struct nl_msg *msg;
8931 struct i802_bss *bss = priv;
8932 struct wpa_driver_nl80211_data *drv = bss->drv;
8933
8934 wpa_printf(MSG_DEBUG, "nl80211: Updating DH IE peer: " MACSTR
8935 " reason %u", MAC2STR(peer_mac), reason_code);
8936 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UPDATE_OWE_INFO)) ||
8937 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_mac) ||
8938 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, reason_code) ||
8939 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) {
8940 nlmsg_free(msg);
8941 return -ENOBUFS;
8942 }
8943
8944 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8945 if (ret) {
8946 wpa_printf(MSG_DEBUG,
8947 "nl80211: update_dh_ie failed err=%d (%s)",
8948 ret, strerror(-ret));
8949 }
8950
8951 return ret;
8952}
8953
8954
47754718 8955static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
597b94f5
AS		 8956{
8957 struct i802_bss *bss = priv;
8958 struct wpa_driver_nl80211_data *drv = bss->drv;
8959
8960 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
8961 return NULL;
8962
8963 return bss->addr;
8964}
8965
8966
a771c07d
JM		 8967static const char * scan_state_str(enum scan_states scan_state)
8968{
8969 switch (scan_state) {
8970 case NO_SCAN:
8971 return "NO_SCAN";
8972 case SCAN_REQUESTED:
8973 return "SCAN_REQUESTED";
8974 case SCAN_STARTED:
8975 return "SCAN_STARTED";
8976 case SCAN_COMPLETED:
8977 return "SCAN_COMPLETED";
8978 case SCAN_ABORTED:
8979 return "SCAN_ABORTED";
8980 case SCHED_SCAN_STARTED:
8981 return "SCHED_SCAN_STARTED";
8982 case SCHED_SCAN_STOPPED:
8983 return "SCHED_SCAN_STOPPED";
8984 case SCHED_SCAN_RESULTS:
8985 return "SCHED_SCAN_RESULTS";
8986 }
8987
8988 return "??";
8989}
8990
8991
8992static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
8993{
8994 struct i802_bss *bss = priv;
8995 struct wpa_driver_nl80211_data *drv = bss->drv;
8996 int res;
8997 char *pos, *end;
fea49f8f
JM		 8998 struct nl_msg *msg;
8999 char alpha2[3] = { 0, 0, 0 };
a771c07d
JM		 9000
9001 pos = buf;
9002 end = buf + buflen;
9003
9004 res = os_snprintf(pos, end - pos,
9005 "ifindex=%d\n"
9006 "ifname=%s\n"
9007 "brname=%s\n"
9008 "addr=" MACSTR "\n"
9009 "freq=%d\n"
c809756f 9010 "%s%s%s%s%s%s",
a771c07d
JM		 9011 bss->ifindex,
9012 bss->ifname,
9013 bss->brname,
9014 MAC2STR(bss->addr),
9015 bss->freq,
9016 bss->beacon_set ? "beacon_set=1\n" : "",
9017 bss->added_if_into_bridge ?
9018 "added_if_into_bridge=1\n" : "",
c809756f 9019 bss->already_in_bridge ? "already_in_bridge=1\n" : "",
a771c07d
JM		 9020 bss->added_bridge ? "added_bridge=1\n" : "",
9021 bss->in_deinit ? "in_deinit=1\n" : "",
9022 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 9023 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9024 return pos - buf;
9025 pos += res;
9026
9027 if (bss->wdev_id_set) {
9028 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
9029 (unsigned long long) bss->wdev_id);
d85e1fc8 9030 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9031 return pos - buf;
9032 pos += res;
9033 }
9034
9035 res = os_snprintf(pos, end - pos,
9036 "phyname=%s\n"
fee354c7 9037 "perm_addr=" MACSTR "\n"
a771c07d
JM		 9038 "drv_ifindex=%d\n"
9039 "operstate=%d\n"
9040 "scan_state=%s\n"
9041 "auth_bssid=" MACSTR "\n"
9042 "auth_attempt_bssid=" MACSTR "\n"
9043 "bssid=" MACSTR "\n"
9044 "prev_bssid=" MACSTR "\n"
9045 "associated=%d\n"
9046 "assoc_freq=%u\n"
9047 "monitor_sock=%d\n"
9048 "monitor_ifidx=%d\n"
9049 "monitor_refcount=%d\n"
9050 "last_mgmt_freq=%u\n"
9051 "eapol_tx_sock=%d\n"
97752f79 9052 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 9053 drv->phyname,
fee354c7 9054 MAC2STR(drv->perm_addr),
a771c07d
JM		 9055 drv->ifindex,
9056 drv->operstate,
9057 scan_state_str(drv->scan_state),
9058 MAC2STR(drv->auth_bssid),
9059 MAC2STR(drv->auth_attempt_bssid),
9060 MAC2STR(drv->bssid),
9061 MAC2STR(drv->prev_bssid),
9062 drv->associated,
9063 drv->assoc_freq,
9064 drv->monitor_sock,
9065 drv->monitor_ifidx,
9066 drv->monitor_refcount,
9067 drv->last_mgmt_freq,
9068 drv->eapol_tx_sock,
9069 drv->ignore_if_down_event ?
9070 "ignore_if_down_event=1\n" : "",
9071 drv->scan_complete_events ?
9072 "scan_complete_events=1\n" : "",
9073 drv->disabled_11b_rates ?
9074 "disabled_11b_rates=1\n" : "",
9075 drv->pending_remain_on_chan ?
9076 "pending_remain_on_chan=1\n" : "",
9077 drv->in_interface_list ? "in_interface_list=1\n" : "",
9078 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
9079 drv->poll_command_supported ?
9080 "poll_command_supported=1\n" : "",
9081 drv->data_tx_status ? "data_tx_status=1\n" : "",
9082 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
9083 drv->retry_auth ? "retry_auth=1\n" : "",
9084 drv->use_monitor ? "use_monitor=1\n" : "",
9085 drv->ignore_next_local_disconnect ?
9086 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 9087 drv->ignore_next_local_deauth ?
97752f79 9088 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 9089 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9090 return pos - buf;
9091 pos += res;
9092
9093 if (drv->has_capability) {
9094 res = os_snprintf(pos, end - pos,
9095 "capa.key_mgmt=0x%x\n"
9096 "capa.enc=0x%x\n"
9097 "capa.auth=0x%x\n"
24bd4e0b 9098 "capa.flags=0x%llx\n"
a0a34d53 9099 "capa.rrm_flags=0x%x\n"
a771c07d
JM		 9100 "capa.max_scan_ssids=%d\n"
9101 "capa.max_sched_scan_ssids=%d\n"
9102 "capa.sched_scan_supported=%d\n"
9103 "capa.max_match_sets=%d\n"
9104 "capa.max_remain_on_chan=%u\n"
9105 "capa.max_stations=%u\n"
9106 "capa.probe_resp_offloads=0x%x\n"
9107 "capa.max_acl_mac_addrs=%u\n"
86056fea
IP		 9108 "capa.num_multichan_concurrent=%u\n"
9109 "capa.mac_addr_rand_sched_scan_supported=%d\n"
079a28f7
AK		 9110 "capa.mac_addr_rand_scan_supported=%d\n"
9111 "capa.conc_capab=%u\n"
9112 "capa.max_conc_chan_2_4=%u\n"
09ea4309
AS		 9113 "capa.max_conc_chan_5_0=%u\n"
9114 "capa.max_sched_scan_plans=%u\n"
9115 "capa.max_sched_scan_plan_interval=%u\n"
9116 "capa.max_sched_scan_plan_iterations=%u\n",
a771c07d
JM		 9117 drv->capa.key_mgmt,
9118 drv->capa.enc,
9119 drv->capa.auth,
24bd4e0b 9120 (unsigned long long) drv->capa.flags,
a0a34d53 9121 drv->capa.rrm_flags,
a771c07d
JM		 9122 drv->capa.max_scan_ssids,
9123 drv->capa.max_sched_scan_ssids,
9124 drv->capa.sched_scan_supported,
9125 drv->capa.max_match_sets,
9126 drv->capa.max_remain_on_chan,
9127 drv->capa.max_stations,
9128 drv->capa.probe_resp_offloads,
9129 drv->capa.max_acl_mac_addrs,
86056fea
IP		 9130 drv->capa.num_multichan_concurrent,
9131 drv->capa.mac_addr_rand_sched_scan_supported,
079a28f7
AK		 9132 drv->capa.mac_addr_rand_scan_supported,
9133 drv->capa.conc_capab,
9134 drv->capa.max_conc_chan_2_4,
09ea4309
AS		 9135 drv->capa.max_conc_chan_5_0,
9136 drv->capa.max_sched_scan_plans,
9137 drv->capa.max_sched_scan_plan_interval,
9138 drv->capa.max_sched_scan_plan_iterations);
d85e1fc8 9139 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9140 return pos - buf;
9141 pos += res;
9142 }
9143
fea49f8f
JM		 9144 msg = nlmsg_alloc();
9145 if (msg &&
9146 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
9147 nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
9148 if (send_and_recv_msgs(drv, msg, nl80211_get_country,
9149 alpha2) == 0 &&
9150 alpha2[0]) {
9151 res = os_snprintf(pos, end - pos, "country=%s\n",
9152 alpha2);
9153 if (os_snprintf_error(end - pos, res))
9154 return pos - buf;
9155 pos += res;
9156 }
9157 } else {
9158 nlmsg_free(msg);
9159 }
9160
a771c07d
JM		 9161 return pos - buf;
9162}
9163
9164
1c4ffa87
AO		 9165static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
9166{
a862e4a3
JM		 9167 if ((settings->head &&
9168 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
9169 settings->head_len, settings->head)) ||
9170 (settings->tail &&
9171 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
9172 settings->tail_len, settings->tail)) ||
9173 (settings->beacon_ies &&
9174 nla_put(msg, NL80211_ATTR_IE,
9175 settings->beacon_ies_len, settings->beacon_ies)) ||
9176 (settings->proberesp_ies &&
9177 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
9178 settings->proberesp_ies_len, settings->proberesp_ies)) ||
9179 (settings->assocresp_ies &&
9180 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
9181 settings->assocresp_ies_len, settings->assocresp_ies)) ||
9182 (settings->probe_resp &&
9183 nla_put(msg, NL80211_ATTR_PROBE_RESP,
9184 settings->probe_resp_len, settings->probe_resp)))
9185 return -ENOBUFS;
1c4ffa87
AO		 9186
9187 return 0;
1c4ffa87
AO		 9188}
9189
9190
9191static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
9192{
9193 struct nl_msg *msg;
9194 struct i802_bss *bss = priv;
9195 struct wpa_driver_nl80211_data *drv = bss->drv;
9196 struct nlattr *beacon_csa;
9197 int ret = -ENOBUFS;
366179d2
AO		 9198 int csa_off_len = 0;
9199 int i;
1c4ffa87 9200
8d1fdde7 9201 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 9202 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 9203 settings->freq_params.freq, settings->freq_params.bandwidth,
9204 settings->freq_params.center_freq1,
9205 settings->freq_params.center_freq2);
1c4ffa87 9206
991aa9c7 9207 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 9208 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
9209 return -EOPNOTSUPP;
9210 }
9211
0928b629
PO		 9212 if (drv->nlmode != NL80211_IFTYPE_AP &&
9213 drv->nlmode != NL80211_IFTYPE_P2P_GO &&
9214 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
1c4ffa87
AO		 9215 return -EOPNOTSUPP;
9216
366179d2
AO		 9217 /*
9218 * Remove empty counters, assuming Probe Response and Beacon frame
9219 * counters match. This implementation assumes that there are only two
9220 * counters.
9221 */
9222 if (settings->counter_offset_beacon[0] &&
9223 !settings->counter_offset_beacon[1]) {
9224 csa_off_len = 1;
9225 } else if (settings->counter_offset_beacon[1] &&
9226 !settings->counter_offset_beacon[0]) {
9227 csa_off_len = 1;
9228 settings->counter_offset_beacon[0] =
9229 settings->counter_offset_beacon[1];
9230 settings->counter_offset_presp[0] =
9231 settings->counter_offset_presp[1];
9232 } else if (settings->counter_offset_beacon[1] &&
9233 settings->counter_offset_beacon[0]) {
9234 csa_off_len = 2;
9235 } else {
9236 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
9237 return -EINVAL;
9238 }
9239
9240 /* Check CSA counters validity */
9241 if (drv->capa.max_csa_counters &&
9242 csa_off_len > drv->capa.max_csa_counters) {
9243 wpa_printf(MSG_ERROR,
9244 "nl80211: Too many CSA counters provided");
1c4ffa87 9245 return -EINVAL;
366179d2 9246 }
1c4ffa87 9247
366179d2 9248 if (!settings->beacon_csa.tail)
1c4ffa87
AO		 9249 return -EINVAL;
9250
366179d2
AO		 9251 for (i = 0; i < csa_off_len; i++) {
9252 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
9253 u16 csa_c_off_presp = settings->counter_offset_presp[i];
9254
9255 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
9256 (settings->beacon_csa.tail[csa_c_off_bcn] !=
9257 settings->cs_count))
9258 return -EINVAL;
9259
9260 if (settings->beacon_csa.probe_resp &&
9261 ((settings->beacon_csa.probe_resp_len <=
9262 csa_c_off_presp) ||
9263 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
9264 settings->cs_count)))
9265 return -EINVAL;
9266 }
9267
13f83980 9268 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM		 9269 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
9270 settings->cs_count) ||
9271 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
9272 (settings->block_tx &&
9273 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO		 9274 goto error;
9275
1c4ffa87
AO		 9276 /* beacon_after params */
9277 ret = set_beacon_data(msg, &settings->beacon_after);
9278 if (ret)
9279 goto error;
9280
9281 /* beacon_csa params */
9282 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
9283 if (!beacon_csa)
a862e4a3 9284 goto fail;
1c4ffa87
AO		 9285
9286 ret = set_beacon_data(msg, &settings->beacon_csa);
9287 if (ret)
9288 goto error;
9289
366179d2
AO		 9290 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
9291 csa_off_len * sizeof(u16),
9292 settings->counter_offset_beacon) ||
a862e4a3 9293 (settings->beacon_csa.probe_resp &&
366179d2
AO		 9294 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
9295 csa_off_len * sizeof(u16),
9296 settings->counter_offset_presp)))
a862e4a3 9297 goto fail;
1c4ffa87
AO		 9298
9299 nla_nest_end(msg, beacon_csa);
9300 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9301 if (ret) {
9302 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
9303 ret, strerror(-ret));
9304 }
9305 return ret;
9306
a862e4a3 9307fail:
1c4ffa87
AO		 9308 ret = -ENOBUFS;
9309error:
9310 nlmsg_free(msg);
9311 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
9312 return ret;
9313}
9314
9315
dfa87878
MB		 9316static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
9317 u8 user_priority, u16 admitted_time)
9318{
9319 struct i802_bss *bss = priv;
9320 struct wpa_driver_nl80211_data *drv = bss->drv;
9321 struct nl_msg *msg;
9322 int ret;
9323
9324 wpa_printf(MSG_DEBUG,
9325 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
9326 tsid, admitted_time, user_priority);
9327
9328 if (!is_sta_interface(drv->nlmode))
9329 return -ENOTSUP;
9330
56f77852
JM		 9331 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
9332 if (!msg ||
a862e4a3
JM		 9333 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9334 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9335 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
9336 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
9337 nlmsg_free(msg);
9338 return -ENOBUFS;
9339 }
dfa87878
MB		 9340
9341 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9342 if (ret)
9343 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
9344 ret, strerror(-ret));
9345 return ret;
dfa87878
MB		 9346}
9347
9348
9349static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
9350{
9351 struct i802_bss *bss = priv;
9352 struct wpa_driver_nl80211_data *drv = bss->drv;
9353 struct nl_msg *msg;
9354 int ret;
9355
9356 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
9357
9358 if (!is_sta_interface(drv->nlmode))
9359 return -ENOTSUP;
9360
56f77852 9361 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM		 9362 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9363 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
9364 nlmsg_free(msg);
9365 return -ENOBUFS;
9366 }
dfa87878
MB		 9367
9368 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9369 if (ret)
9370 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
9371 ret, strerror(-ret));
9372 return ret;
dfa87878
MB		 9373}
9374
9375
6b9f7af6
JM		 9376#ifdef CONFIG_TESTING_OPTIONS
9377static int cmd_reply_handler(struct nl_msg *msg, void *arg)
9378{
9379 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9380 struct wpabuf *buf = arg;
9381
9382 if (!buf)
9383 return NL_SKIP;
9384
9385 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
9386 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
9387 return NL_SKIP;
9388 }
9389
9390 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
9391 genlmsg_attrlen(gnlh, 0));
9392
9393 return NL_SKIP;
9394}
9395#endif /* CONFIG_TESTING_OPTIONS */
9396
9397
adef8948
BL		 9398static int vendor_reply_handler(struct nl_msg *msg, void *arg)
9399{
9400 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9401 struct nlattr *nl_vendor_reply, *nl;
9402 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9403 struct wpabuf *buf = arg;
9404 int rem;
9405
9406 if (!buf)
9407 return NL_SKIP;
9408
9409 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9410 genlmsg_attrlen(gnlh, 0), NULL);
9411 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
9412
9413 if (!nl_vendor_reply)
9414 return NL_SKIP;
9415
9416 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
9417 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
9418 return NL_SKIP;
9419 }
9420
9421 nla_for_each_nested(nl, nl_vendor_reply, rem) {
9422 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
9423 }
9424
9425 return NL_SKIP;
9426}
9427
9428
9429static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
9430 unsigned int subcmd, const u8 *data,
9431 size_t data_len, struct wpabuf *buf)
9432{
9433 struct i802_bss *bss = priv;
9434 struct wpa_driver_nl80211_data *drv = bss->drv;
9435 struct nl_msg *msg;
9436 int ret;
9437
6b9f7af6
JM		 9438#ifdef CONFIG_TESTING_OPTIONS
9439 if (vendor_id == 0xffffffff) {
56f77852
JM		 9440 msg = nlmsg_alloc();
9441 if (!msg)
9442 return -ENOMEM;
9443
6b9f7af6
JM		 9444 nl80211_cmd(drv, msg, 0, subcmd);
9445 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
9446 0)
a862e4a3 9447 goto fail;
6b9f7af6
JM		 9448 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
9449 if (ret)
9450 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
9451 ret);
9452 return ret;
9453 }
9454#endif /* CONFIG_TESTING_OPTIONS */
9455
56f77852 9456 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9457 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
9458 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
9459 (data &&
9460 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
9461 goto fail;
adef8948
BL		 9462
9463 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
9464 if (ret)
9465 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
9466 ret);
9467 return ret;
9468
a862e4a3 9469fail:
adef8948
BL		 9470 nlmsg_free(msg);
9471 return -ENOBUFS;
9472}
9473
9474
049105b4
KP		 9475static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
9476 u8 qos_map_set_len)
9477{
9478 struct i802_bss *bss = priv;
9479 struct wpa_driver_nl80211_data *drv = bss->drv;
9480 struct nl_msg *msg;
9481 int ret;
9482
049105b4
KP		 9483 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
9484 qos_map_set, qos_map_set_len);
9485
9725b784 9486 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM		 9487 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
9488 nlmsg_free(msg);
9489 return -ENOBUFS;
9490 }
049105b4
KP		 9491
9492 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9493 if (ret)
9494 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
9495
9496 return ret;
049105b4
KP		 9497}
9498
9499
82ba4f2d
MC		 9500static int get_wowlan_handler(struct nl_msg *msg, void *arg)
9501{
9502 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9503 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9504 int *wowlan_enabled = arg;
9505
9506 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9507 genlmsg_attrlen(gnlh, 0), NULL);
9508
9509 *wowlan_enabled = !!tb[NL80211_ATTR_WOWLAN_TRIGGERS];
9510
9511 return NL_SKIP;
9512}
9513
9514
9515static int nl80211_get_wowlan(void *priv)
9516{
9517 struct i802_bss *bss = priv;
9518 struct wpa_driver_nl80211_data *drv = bss->drv;
9519 struct nl_msg *msg;
9520 int wowlan_enabled;
9521 int ret;
9522
9523 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status");
9524
9525 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_WOWLAN);
9526
9527 ret = send_and_recv_msgs(drv, msg, get_wowlan_handler, &wowlan_enabled);
9528 if (ret) {
9529 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status failed");
9530 return 0;
9531 }
9532
9533 wpa_printf(MSG_DEBUG, "nl80211: wowlan is %s",
9534 wowlan_enabled ? "enabled" : "disabled");
9535
9536 return wowlan_enabled;
9537}
9538
9539
e4fa8b12
EP		 9540static int nl80211_set_wowlan(void *priv,
9541 const struct wowlan_triggers *triggers)
9542{
9543 struct i802_bss *bss = priv;
9544 struct wpa_driver_nl80211_data *drv = bss->drv;
9545 struct nl_msg *msg;
9546 struct nlattr *wowlan_triggers;
9547 int ret;
9548
e4fa8b12
EP		 9549 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
9550
1ac977bd 9551 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM		 9552 !(wowlan_triggers = nla_nest_start(msg,
9553 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
9554 (triggers->any &&
9555 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
9556 (triggers->disconnect &&
9557 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
9558 (triggers->magic_pkt &&
9559 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
9560 (triggers->gtk_rekey_failure &&
9561 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
9562 (triggers->eap_identity_req &&
9563 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
9564 (triggers->four_way_handshake &&
9565 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
9566 (triggers->rfkill_release &&
9567 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
9568 nlmsg_free(msg);
9569 return -ENOBUFS;
9570 }
e4fa8b12
EP		 9571
9572 nla_nest_end(msg, wowlan_triggers);
9573
9574 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9575 if (ret)
9576 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
9577
9578 return ret;
e4fa8b12
EP		 9579}
9580
9581
b658547d 9582#ifdef CONFIG_DRIVER_NL80211_QCA
0800f9ee
JM		 9583static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
9584{
9585 struct i802_bss *bss = priv;
9586 struct wpa_driver_nl80211_data *drv = bss->drv;
9587 struct nl_msg *msg;
9588 struct nlattr *params;
9589
9590 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
9591
9592 if (!drv->roaming_vendor_cmd_avail) {
9593 wpa_printf(MSG_DEBUG,
9594 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
9595 return -1;
9596 }
9597
9725b784 9598 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9599 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9600 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9601 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
9602 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9603 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
9604 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
9605 QCA_ROAMING_NOT_ALLOWED) ||
9606 (bssid &&
9607 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
9608 nlmsg_free(msg);
9609 return -1;
9610 }
0800f9ee
JM		 9611 nla_nest_end(msg, params);
9612
9613 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee 9614}
b04854ce
AP		 9615
9616
d98038bb 9617static int nl80211_disable_fils(void *priv, int disable)
9618{
9619 struct i802_bss *bss = priv;
9620 struct wpa_driver_nl80211_data *drv = bss->drv;
9621 struct nl_msg *msg;
9622 struct nlattr *params;
9623
9624 wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable);
9625
9626 if (!drv->set_wifi_conf_vendor_cmd_avail)
9627 return -1;
9628
9629 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9630 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9631 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9632 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
9633 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9634 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS,
9635 disable)) {
9636 nlmsg_free(msg);
9637 return -1;
9638 }
9639 nla_nest_end(msg, params);
9640
9641 return send_and_recv_msgs(drv, msg, NULL, NULL);
9642}
9643
9644
b04854ce
AP		 9645/* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
9646#define WPA_SUPPLICANT_CLIENT_ID 1
9647
9648static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid,
9649 const u8 *bssid)
9650{
9651 struct i802_bss *bss = priv;
9652 struct wpa_driver_nl80211_data *drv = bss->drv;
9653 struct nl_msg *msg;
9654 struct nlattr *params, *nlbssids, *attr;
9655 unsigned int i;
9656
9657 wpa_printf(MSG_DEBUG, "nl80211: Set blacklist BSSID (num=%u)",
9658 num_bssid);
9659
9660 if (!drv->roam_vendor_cmd_avail)
9661 return -1;
9662
9663 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9664 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9665 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9666 QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
9667 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9668 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
1425caac 9669 QCA_WLAN_VENDOR_ROAMING_SUBCMD_SET_BLACKLIST_BSSID) ||
b04854ce
AP		 9670 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
9671 WPA_SUPPLICANT_CLIENT_ID) ||
9672 nla_put_u32(msg,
9673 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
9674 num_bssid))
9675 goto fail;
9676
9677 nlbssids = nla_nest_start(
9678 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
9679 if (!nlbssids)
9680 goto fail;
9681
9682 for (i = 0; i < num_bssid; i++) {
9683 attr = nla_nest_start(msg, i);
9684 if (!attr)
9685 goto fail;
9686 if (nla_put(msg,
9687 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
9688 ETH_ALEN, &bssid[i * ETH_ALEN]))
9689 goto fail;
9690 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i,
9691 MAC2STR(&bssid[i * ETH_ALEN]));
9692 nla_nest_end(msg, attr);
9693 }
9694 nla_nest_end(msg, nlbssids);
9695 nla_nest_end(msg, params);
9696
9697 return send_and_recv_msgs(drv, msg, NULL, NULL);
9698
9699fail:
9700 nlmsg_free(msg);
9701 return -1;
9702}
9703
df3b2e22
SSG		 9704
9705static int nl80211_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
9706{
9707 struct i802_bss *bss = priv;
9708 struct wpa_driver_nl80211_data *drv = bss->drv;
9709 struct nl_msg *msg;
9710 struct nlattr *params;
9711
9712 if (!drv->add_sta_node_vendor_cmd_avail)
9713 return -EOPNOTSUPP;
9714
9715 wpa_printf(MSG_DEBUG, "nl80211: Add STA node");
9716
9717 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9718 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9719 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9720 QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE) ||
9721 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9722 (addr &&
9723 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_MAC_ADDR, ETH_ALEN,
9724 addr)) ||
9725 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_AUTH_ALGO,
9726 auth_alg)) {
9727 nlmsg_free(msg);
9728 wpa_printf(MSG_ERROR,
9729 "%s: err in adding vendor_cmd and vendor_data",
9730 __func__);
9731 return -1;
9732 }
9733 nla_nest_end(msg, params);
9734
9735 return send_and_recv_msgs(drv, msg, NULL, NULL);
9736}
9737
b658547d 9738#endif /* CONFIG_DRIVER_NL80211_QCA */
0800f9ee
JM		 9739
9740
fee354c7
JM		 9741static int nl80211_set_mac_addr(void *priv, const u8 *addr)
9742{
9743 struct i802_bss *bss = priv;
9744 struct wpa_driver_nl80211_data *drv = bss->drv;
9745 int new_addr = addr != NULL;
9746
9ce3e610
JM		 9747 if (TEST_FAIL())
9748 return -1;
9749
fee354c7
JM		 9750 if (!addr)
9751 addr = drv->perm_addr;
9752
9753 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
9754 return -1;
9755
9756 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
9757 {
9758 wpa_printf(MSG_DEBUG,
9759 "nl80211: failed to set_mac_addr for %s to " MACSTR,
9760 bss->ifname, MAC2STR(addr));
9761 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
9762 1) < 0) {
9763 wpa_printf(MSG_DEBUG,
9764 "nl80211: Could not restore interface UP after failed set_mac_addr");
9765 }
9766 return -1;
9767 }
9768
9769 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
9770 bss->ifname, MAC2STR(addr));
9771 drv->addr_changed = new_addr;
9772 os_memcpy(bss->addr, addr, ETH_ALEN);
9773
9774 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
9775 {
9776 wpa_printf(MSG_DEBUG,
9777 "nl80211: Could not restore interface UP after set_mac_addr");
9778 }
9779
9780 return 0;
9781}
9782
9783
6c1664f6
BC		 9784#ifdef CONFIG_MESH
9785
9786static int wpa_driver_nl80211_init_mesh(void *priv)
9787{
9788 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
9789 wpa_printf(MSG_INFO,
9790 "nl80211: Failed to set interface into mesh mode");
9791 return -1;
9792 }
9793 return 0;
9794}
9795
9796
21c74e84
JM		 9797static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
9798 size_t mesh_id_len)
9799{
9800 if (mesh_id) {
21cd8f83
JM		 9801 wpa_printf(MSG_DEBUG, " * Mesh ID (SSID)=%s",
9802 wpa_ssid_txt(mesh_id, mesh_id_len));
21c74e84
JM		 9803 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
9804 }
9805
9806 return 0;
9807}
9808
9809
4ffb3f87
MH		 9810static int nl80211_put_mesh_config(struct nl_msg *msg,
9811 struct wpa_driver_mesh_bss_params *params)
9812{
9813 struct nlattr *container;
9814
9815 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
9816 if (!container)
9817 return -1;
9818
2bd62171 9819 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
963d3149
JM		 9820 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
9821 params->auto_plinks)) ||
2bd62171
MH		 9822 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
9823 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
31a856a1
MH		 9824 params->max_peer_links)) ||
9825 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
9826 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
9827 params->rssi_threshold)))
4ffb3f87
MH		 9828 return -1;
9829
9830 /*
9831 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
9832 * the timer could disconnect stations even in that case.
9833 */
2bd62171
MH		 9834 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
9835 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4ffb3f87
MH		 9836 params->peer_link_timeout)) {
9837 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
9838 return -1;
9839 }
9840
052b8d38
MH		 9841 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
9842 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
9843 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
9844 return -1;
9845 }
9846
4ffb3f87
MH		 9847 nla_nest_end(msg, container);
9848
9849 return 0;
9850}
9851
9852
0cb5f8d9 9853static int nl80211_join_mesh(struct i802_bss *bss,
6c1664f6
BC		 9854 struct wpa_driver_mesh_join_params *params)
9855{
6c1664f6
BC		 9856 struct wpa_driver_nl80211_data *drv = bss->drv;
9857 struct nl_msg *msg;
9858 struct nlattr *container;
7451a217 9859 int ret = -1;
6c1664f6 9860
6c1664f6 9861 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784 9862 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
f7e889fa
JM		 9863 if (!msg ||
9864 nl80211_put_freq_params(msg, &params->freq) ||
21c74e84
JM		 9865 nl80211_put_basic_rates(msg, params->basic_rates) ||
9866 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
4ac2ea57
MH		 9867 nl80211_put_beacon_int(msg, params->beacon_int) ||
9868 nl80211_put_dtim_period(msg, params->dtim_period))
85e1fad8 9869 goto fail;
9c58c5f7 9870
6c1664f6
BC		 9871 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
9872
9873 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
9874 if (!container)
a862e4a3 9875 goto fail;
6c1664f6
BC		 9876
9877 if (params->ies) {
9878 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM		 9879 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
9880 params->ies))
9881 goto fail;
6c1664f6
BC		 9882 }
9883 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
9884 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM		 9885 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
9886 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
9887 goto fail;
6c1664f6 9888 }
a862e4a3
JM		 9889 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
9890 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
9891 goto fail;
9892 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
9893 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
9894 goto fail;
6c1664f6
BC		 9895 nla_nest_end(msg, container);
9896
2bd62171
MH		 9897 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
9898 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
9899 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
4ffb3f87 9900 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
5a2a6de6 9901 goto fail;
6c1664f6
BC		 9902
9903 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9904 msg = NULL;
9905 if (ret) {
9906 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
9907 ret, strerror(-ret));
a862e4a3 9908 goto fail;
6c1664f6
BC		 9909 }
9910 ret = 0;
92a515b8 9911 drv->assoc_freq = bss->freq = params->freq.freq;
6c1664f6
BC		 9912 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
9913
a862e4a3 9914fail:
6c1664f6
BC		 9915 nlmsg_free(msg);
9916 return ret;
9917}
9918
9919
0cb5f8d9
MH		 9920static int
9921wpa_driver_nl80211_join_mesh(void *priv,
9922 struct wpa_driver_mesh_join_params *params)
9923{
9924 struct i802_bss *bss = priv;
9925 int ret, timeout;
9926
9927 timeout = params->conf.peer_link_timeout;
9928
9929 /* Disable kernel inactivity timer */
9930 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
9931 params->conf.peer_link_timeout = 0;
9932
9933 ret = nl80211_join_mesh(bss, params);
9934 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
9935 wpa_printf(MSG_DEBUG,
9936 "nl80211: Mesh join retry for peer_link_timeout");
9937 /*
9938 * Old kernel does not support setting
9939 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
9940 * into future from peer_link_timeout.
9941 */
9942 params->conf.peer_link_timeout = timeout + 60;
9943 ret = nl80211_join_mesh(priv, params);
9944 }
9945
9946 params->conf.peer_link_timeout = timeout;
9947 return ret;
9948}
9949
9950
6c1664f6
BC		 9951static int wpa_driver_nl80211_leave_mesh(void *priv)
9952{
9953 struct i802_bss *bss = priv;
9954 struct wpa_driver_nl80211_data *drv = bss->drv;
9955 struct nl_msg *msg;
9725b784 9956 int ret;
6c1664f6
BC		 9957
9958 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 9959 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 9960 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC		 9961 if (ret) {
9962 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
9963 ret, strerror(-ret));
a862e4a3
JM		 9964 } else {
9965 wpa_printf(MSG_DEBUG,
9966 "nl80211: mesh leave request send successfully");
6c1664f6 9967 }
6c1664f6 9968
f33c82d2
JM		 9969 if (wpa_driver_nl80211_set_mode(drv->first_bss,
9970 NL80211_IFTYPE_STATION)) {
9971 wpa_printf(MSG_INFO,
9972 "nl80211: Failed to set interface into station mode");
9973 }
6c1664f6
BC		 9974 return ret;
9975}
9976
c36109e4
PKC		 9977
9978static int nl80211_probe_mesh_link(void *priv, const u8 *addr, const u8 *eth,
9979 size_t len)
9980{
9981 struct i802_bss *bss = priv;
9982 struct wpa_driver_nl80211_data *drv = bss->drv;
9983 struct nl_msg *msg;
9984 int ret;
9985
9986 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_PROBE_MESH_LINK);
9987 if (!msg ||
9988 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9989 nla_put(msg, NL80211_ATTR_FRAME, len, eth)) {
9990 nlmsg_free(msg);
9991 return -ENOBUFS;
9992 }
9993
9994 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9995 if (ret) {
9996 wpa_printf(MSG_DEBUG, "nl80211: mesh link probe to " MACSTR
9997 " failed: ret=%d (%s)",
9998 MAC2STR(addr), ret, strerror(-ret));
9999 } else {
10000 wpa_printf(MSG_DEBUG, "nl80211: Mesh link to " MACSTR
10001 " probed successfully", MAC2STR(addr));
10002 }
10003
10004 return ret;
10005}
10006
6c1664f6
BC		 10007#endif /* CONFIG_MESH */
10008
10009
ed4ddb6d
KP		 10010static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
10011 const u8 *ipaddr, int prefixlen,
10012 const u8 *addr)
71103bed
KP		 10013{
10014#ifdef CONFIG_LIBNL3_ROUTE
10015 struct i802_bss *bss = priv;
10016 struct wpa_driver_nl80211_data *drv = bss->drv;
10017 struct rtnl_neigh *rn;
10018 struct nl_addr *nl_ipaddr = NULL;
10019 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 10020 int family, addrsize;
71103bed
KP		 10021 int res;
10022
ed4ddb6d 10023 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP		 10024 return -EINVAL;
10025
10026 if (bss->br_ifindex == 0) {
10027 wpa_printf(MSG_DEBUG,
10028 "nl80211: bridge must be set before adding an ip neigh to it");
10029 return -1;
10030 }
10031
10032 if (!drv->rtnl_sk) {
10033 wpa_printf(MSG_DEBUG,
10034 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
10035 return -1;
10036 }
10037
ed4ddb6d
KP		 10038 if (version == 4) {
10039 family = AF_INET;
10040 addrsize = 4;
10041 } else if (version == 6) {
10042 family = AF_INET6;
10043 addrsize = 16;
10044 } else {
10045 return -EINVAL;
10046 }
10047
71103bed
KP		 10048 rn = rtnl_neigh_alloc();
10049 if (rn == NULL)
10050 return -ENOMEM;
10051
10052 /* set the destination ip address for neigh */
ed4ddb6d 10053 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 10054 if (nl_ipaddr == NULL) {
10055 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
10056 res = -ENOMEM;
10057 goto errout;
10058 }
10059 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
10060 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
10061 if (res) {
10062 wpa_printf(MSG_DEBUG,
10063 "nl80211: neigh set destination addr failed");
10064 goto errout;
10065 }
10066
10067 /* set the corresponding lladdr for neigh */
10068 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
10069 if (nl_lladdr == NULL) {
10070 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
10071 res = -ENOMEM;
10072 goto errout;
10073 }
10074 rtnl_neigh_set_lladdr(rn, nl_lladdr);
10075
10076 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
10077 rtnl_neigh_set_state(rn, NUD_PERMANENT);
10078
10079 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
10080 if (res) {
10081 wpa_printf(MSG_DEBUG,
10082 "nl80211: Adding bridge ip neigh failed: %s",
3ea58a05 10083 nl_geterror(res));
71103bed
KP		 10084 }
10085errout:
10086 if (nl_lladdr)
10087 nl_addr_put(nl_lladdr);
10088 if (nl_ipaddr)
10089 nl_addr_put(nl_ipaddr);
10090 if (rn)
10091 rtnl_neigh_put(rn);
10092 return res;
10093#else /* CONFIG_LIBNL3_ROUTE */
10094 return -1;
10095#endif /* CONFIG_LIBNL3_ROUTE */
10096}
10097
10098
ed4ddb6d
KP		 10099static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
10100 const u8 *ipaddr)
71103bed
KP		 10101{
10102#ifdef CONFIG_LIBNL3_ROUTE
10103 struct i802_bss *bss = priv;
10104 struct wpa_driver_nl80211_data *drv = bss->drv;
10105 struct rtnl_neigh *rn;
10106 struct nl_addr *nl_ipaddr;
ed4ddb6d 10107 int family, addrsize;
71103bed
KP		 10108 int res;
10109
ed4ddb6d 10110 if (!ipaddr)
71103bed
KP		 10111 return -EINVAL;
10112
ed4ddb6d
KP		 10113 if (version == 4) {
10114 family = AF_INET;
10115 addrsize = 4;
10116 } else if (version == 6) {
10117 family = AF_INET6;
10118 addrsize = 16;
10119 } else {
10120 return -EINVAL;
10121 }
10122
71103bed
KP		 10123 if (bss->br_ifindex == 0) {
10124 wpa_printf(MSG_DEBUG,
10125 "nl80211: bridge must be set to delete an ip neigh");
10126 return -1;
10127 }
10128
10129 if (!drv->rtnl_sk) {
10130 wpa_printf(MSG_DEBUG,
10131 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
10132 return -1;
10133 }
10134
10135 rn = rtnl_neigh_alloc();
10136 if (rn == NULL)
10137 return -ENOMEM;
10138
10139 /* set the destination ip address for neigh */
ed4ddb6d 10140 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 10141 if (nl_ipaddr == NULL) {
10142 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
10143 res = -ENOMEM;
10144 goto errout;
10145 }
10146 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
10147 if (res) {
10148 wpa_printf(MSG_DEBUG,
10149 "nl80211: neigh set destination addr failed");
10150 goto errout;
10151 }
10152
10153 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
10154
10155 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
10156 if (res) {
10157 wpa_printf(MSG_DEBUG,
10158 "nl80211: Deleting bridge ip neigh failed: %s",
3ea58a05 10159 nl_geterror(res));
71103bed
KP		 10160 }
10161errout:
10162 if (nl_ipaddr)
10163 nl_addr_put(nl_ipaddr);
10164 if (rn)
10165 rtnl_neigh_put(rn);
10166 return res;
10167#else /* CONFIG_LIBNL3_ROUTE */
10168 return -1;
10169#endif /* CONFIG_LIBNL3_ROUTE */
10170}
10171
10172
73d2294f
KP		 10173static int linux_write_system_file(const char *path, unsigned int val)
10174{
10175 char buf[50];
10176 int fd, len;
10177
10178 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 10179 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP		 10180 return -1;
10181
10182 fd = open(path, O_WRONLY);
10183 if (fd < 0)
10184 return -1;
10185
10186 if (write(fd, buf, len) < 0) {
10187 wpa_printf(MSG_DEBUG,
10188 "nl80211: Failed to write Linux system file: %s with the value of %d",
10189 path, val);
10190 close(fd);
10191 return -1;
10192 }
10193 close(fd);
10194
10195 return 0;
10196}
10197
10198
10199static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
10200{
10201 switch (attr) {
10202 case DRV_BR_PORT_ATTR_PROXYARP:
bea8d9a3 10203 return "proxyarp_wifi";
73d2294f
KP		 10204 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
10205 return "hairpin_mode";
10206 }
10207
10208 return NULL;
10209}
10210
10211
10212static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
10213 unsigned int val)
10214{
10215 struct i802_bss *bss = priv;
10216 char path[128];
10217 const char *attr_txt;
10218
10219 attr_txt = drv_br_port_attr_str(attr);
10220 if (attr_txt == NULL)
10221 return -EINVAL;
10222
10223 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
10224 bss->ifname, attr_txt);
10225
10226 if (linux_write_system_file(path, val))
10227 return -1;
10228
10229 return 0;
10230}
10231
10232
7565752d
KP		 10233static const char * drv_br_net_param_str(enum drv_br_net_param param)
10234{
10235 switch (param) {
10236 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10237 return "arp_accept";
60eb9e17
JM		 10238 default:
10239 return NULL;
7565752d 10240 }
7565752d
KP		 10241}
10242
10243
10244static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
10245 unsigned int val)
10246{
10247 struct i802_bss *bss = priv;
10248 char path[128];
10249 const char *param_txt;
10250 int ip_version = 4;
10251
60eb9e17
JM		 10252 if (param == DRV_BR_MULTICAST_SNOOPING) {
10253 os_snprintf(path, sizeof(path),
10254 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
10255 bss->brname);
10256 goto set_val;
10257 }
10258
7565752d
KP		 10259 param_txt = drv_br_net_param_str(param);
10260 if (param_txt == NULL)
10261 return -EINVAL;
10262
10263 switch (param) {
10264 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10265 ip_version = 4;
10266 break;
10267 default:
10268 return -EINVAL;
10269 }
10270
10271 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
10272 ip_version, bss->brname, param_txt);
10273
60eb9e17 10274set_val:
7565752d
KP		 10275 if (linux_write_system_file(path, val))
10276 return -1;
10277
10278 return 0;
10279}
10280
10281
b658547d
JM		 10282#ifdef CONFIG_DRIVER_NL80211_QCA
10283
16689c7c
PX		 10284static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
10285{
10286 switch (hw_mode) {
10287 case HOSTAPD_MODE_IEEE80211B:
10288 return QCA_ACS_MODE_IEEE80211B;
10289 case HOSTAPD_MODE_IEEE80211G:
10290 return QCA_ACS_MODE_IEEE80211G;
10291 case HOSTAPD_MODE_IEEE80211A:
10292 return QCA_ACS_MODE_IEEE80211A;
10293 case HOSTAPD_MODE_IEEE80211AD:
10294 return QCA_ACS_MODE_IEEE80211AD;
3784c058
PX		 10295 case HOSTAPD_MODE_IEEE80211ANY:
10296 return QCA_ACS_MODE_IEEE80211ANY;
16689c7c
PX		 10297 default:
10298 return -1;
10299 }
10300}
10301
10302
e86ba912
AB		 10303static int add_acs_ch_list(struct nl_msg *msg, const int *freq_list)
10304{
10305 int num_channels = 0, num_freqs;
10306 u8 *ch_list;
10307 enum hostapd_hw_mode hw_mode;
10308 int ret = 0;
10309 int i;
10310
10311 if (!freq_list)
10312 return 0;
10313
10314 num_freqs = int_array_len(freq_list);
10315 ch_list = os_malloc(sizeof(u8) * num_freqs);
10316 if (!ch_list)
10317 return -1;
10318
10319 for (i = 0; i < num_freqs; i++) {
10320 const int freq = freq_list[i];
10321
10322 if (freq == 0)
10323 break;
10324 /* Send 2.4 GHz and 5 GHz channels with
10325 * QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST to maintain backwards
10326 * compatibility.
10327 */
10328 if (!(freq >= 2412 && freq <= 2484) &&
10329 !(freq >= 5180 && freq <= 5900))
10330 continue;
10331 hw_mode = ieee80211_freq_to_chan(freq, &ch_list[num_channels]);
10332 if (hw_mode != NUM_HOSTAPD_MODES)
10333 num_channels++;
10334 }
10335
10336 if (num_channels)
10337 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST,
10338 num_channels, ch_list);
10339
10340 os_free(ch_list);
10341 return ret;
10342}
10343
10344
d0cdccd3
PX		 10345static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
10346{
10347 int i, len, ret;
10348 u32 *freqs;
10349
10350 if (!freq_list)
10351 return 0;
10352 len = int_array_len(freq_list);
10353 freqs = os_malloc(sizeof(u32) * len);
10354 if (!freqs)
10355 return -1;
10356 for (i = 0; i < len; i++)
10357 freqs[i] = freq_list[i];
10358 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
10359 sizeof(u32) * len, freqs);
10360 os_free(freqs);
10361 return ret;
10362}
10363
10364
16689c7c
PX		 10365static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
10366{
10367 struct i802_bss *bss = priv;
10368 struct wpa_driver_nl80211_data *drv = bss->drv;
10369 struct nl_msg *msg;
10370 struct nlattr *data;
a862e4a3 10371 int ret;
16689c7c
PX		 10372 int mode;
10373
10374 mode = hw_mode_to_qca_acs(params->hw_mode);
10375 if (mode < 0)
10376 return -1;
10377
9725b784 10378 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 10379 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10380 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10381 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
10382 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10383 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
10384 (params->ht_enabled &&
10385 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
10386 (params->ht40_enabled &&
857d9422
MM		 10387 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
10388 (params->vht_enabled &&
10389 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
10390 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
10391 params->ch_width) ||
e86ba912 10392 add_acs_ch_list(msg, params->freq_list) ||
d0cdccd3 10393 add_acs_freq_list(msg, params->freq_list)) {
a862e4a3
JM		 10394 nlmsg_free(msg);
10395 return -ENOBUFS;
10396 }
16689c7c
PX		 10397 nla_nest_end(msg, data);
10398
857d9422 10399 wpa_printf(MSG_DEBUG,
e86ba912 10400 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d",
857d9422 10401 params->hw_mode, params->ht_enabled, params->ht40_enabled,
e86ba912 10402 params->vht_enabled, params->ch_width);
857d9422 10403
16689c7c 10404 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX		 10405 if (ret) {
10406 wpa_printf(MSG_DEBUG,
10407 "nl80211: Failed to invoke driver ACS function: %s",
3ea58a05 10408 strerror(-ret));
16689c7c 10409 }
16689c7c
PX		 10410 return ret;
10411}
10412
10413
844dfeb8
SD		 10414static int nl80211_set_band(void *priv, enum set_band band)
10415{
10416 struct i802_bss *bss = priv;
10417 struct wpa_driver_nl80211_data *drv = bss->drv;
10418 struct nl_msg *msg;
10419 struct nlattr *data;
10420 int ret;
10421 enum qca_set_band qca_band;
10422
10423 if (!drv->setband_vendor_cmd_avail)
10424 return -1;
10425
10426 switch (band) {
10427 case WPA_SETBAND_AUTO:
10428 qca_band = QCA_SETBAND_AUTO;
10429 break;
10430 case WPA_SETBAND_5G:
10431 qca_band = QCA_SETBAND_5G;
10432 break;
10433 case WPA_SETBAND_2G:
10434 qca_band = QCA_SETBAND_2G;
10435 break;
10436 default:
10437 return -1;
10438 }
10439
10440 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10441 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10442 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10443 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
10444 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10445 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
10446 nlmsg_free(msg);
10447 return -ENOBUFS;
10448 }
10449 nla_nest_end(msg, data);
10450
10451 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10452 if (ret) {
10453 wpa_printf(MSG_DEBUG,
10454 "nl80211: Driver setband function failed: %s",
3ea58a05 10455 strerror(-ret));
844dfeb8
SD		 10456 }
10457 return ret;
10458}
10459
10460
98342208
AK		 10461struct nl80211_pcl {
10462 unsigned int num;
10463 unsigned int *freq_list;
10464};
10465
10466static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
10467{
10468 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10469 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10470 struct nl80211_pcl *param = arg;
10471 struct nlattr *nl_vend, *attr;
10472 enum qca_iface_type iface_type;
10473 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10474 unsigned int num, max_num;
10475 u32 *freqs;
10476
10477 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10478 genlmsg_attrlen(gnlh, 0), NULL);
10479
10480 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
10481 if (!nl_vend)
10482 return NL_SKIP;
10483
10484 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10485 nla_data(nl_vend), nla_len(nl_vend), NULL);
10486
10487 attr = tb_vendor[
10488 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
10489 if (!attr) {
10490 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
10491 param->num = 0;
10492 return NL_SKIP;
10493 }
10494
10495 iface_type = (enum qca_iface_type) nla_get_u32(attr);
10496 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
10497 iface_type);
10498
10499 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
10500 if (!attr) {
10501 wpa_printf(MSG_ERROR,
10502 "nl80211: preferred_freq_list couldn't be found");
10503 param->num = 0;
10504 return NL_SKIP;
10505 }
10506
10507 /*
10508 * param->num has the maximum number of entries for which there
10509 * is room in the freq_list provided by the caller.
10510 */
10511 freqs = nla_data(attr);
10512 max_num = nla_len(attr) / sizeof(u32);
10513 if (max_num > param->num)
10514 max_num = param->num;
10515 for (num = 0; num < max_num; num++)
10516 param->freq_list[num] = freqs[num];
10517 param->num = num;
10518
10519 return NL_SKIP;
10520}
10521
10522
10523static int nl80211_get_pref_freq_list(void *priv,
10524 enum wpa_driver_if_type if_type,
10525 unsigned int *num,
10526 unsigned int *freq_list)
10527{
10528 struct i802_bss *bss = priv;
10529 struct wpa_driver_nl80211_data *drv = bss->drv;
10530 struct nl_msg *msg;
10531 int ret;
10532 unsigned int i;
10533 struct nlattr *params;
10534 struct nl80211_pcl param;
10535 enum qca_iface_type iface_type;
10536
10537 if (!drv->get_pref_freq_list)
10538 return -1;
10539
10540 switch (if_type) {
10541 case WPA_IF_STATION:
10542 iface_type = QCA_IFACE_TYPE_STA;
10543 break;
10544 case WPA_IF_AP_BSS:
10545 iface_type = QCA_IFACE_TYPE_AP;
10546 break;
10547 case WPA_IF_P2P_GO:
10548 iface_type = QCA_IFACE_TYPE_P2P_GO;
10549 break;
10550 case WPA_IF_P2P_CLIENT:
10551 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
10552 break;
10553 case WPA_IF_IBSS:
10554 iface_type = QCA_IFACE_TYPE_IBSS;
10555 break;
10556 case WPA_IF_TDLS:
10557 iface_type = QCA_IFACE_TYPE_TDLS;
10558 break;
10559 default:
10560 return -1;
10561 }
10562
10563 param.num = *num;
10564 param.freq_list = freq_list;
10565
10566 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10567 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
10568 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10569 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10570 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
10571 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10572 nla_put_u32(msg,
10573 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
10574 iface_type)) {
10575 wpa_printf(MSG_ERROR,
10576 "%s: err in adding vendor_cmd and vendor_data",
10577 __func__);
10578 nlmsg_free(msg);
10579 return -1;
10580 }
10581 nla_nest_end(msg, params);
10582
10583 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
10584 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
10585 if (ret) {
10586 wpa_printf(MSG_ERROR,
10587 "%s: err in send_and_recv_msgs", __func__);
10588 return ret;
10589 }
10590
10591 *num = param.num;
10592
10593 for (i = 0; i < *num; i++) {
10594 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
10595 i, freq_list[i]);
10596 }
10597
10598 return 0;
10599}
10600
10601
7c813acf
AK		 10602static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
10603{
10604 struct i802_bss *bss = priv;
10605 struct wpa_driver_nl80211_data *drv = bss->drv;
10606 struct nl_msg *msg;
10607 int ret;
10608 struct nlattr *params;
10609
10610 if (!drv->set_prob_oper_freq)
10611 return -1;
10612
10613 wpa_printf(MSG_DEBUG,
10614 "nl80211: Set P2P probable operating freq %u for ifindex %d",
10615 freq, bss->ifindex);
10616
10617 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10618 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10619 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10620 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
10621 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10622 nla_put_u32(msg,
10623 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
10624 QCA_IFACE_TYPE_P2P_CLIENT) ||
10625 nla_put_u32(msg,
10626 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
10627 freq)) {
10628 wpa_printf(MSG_ERROR,
10629 "%s: err in adding vendor_cmd and vendor_data",
10630 __func__);
10631 nlmsg_free(msg);
10632 return -1;
10633 }
10634 nla_nest_end(msg, params);
10635
10636 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10637 msg = NULL;
10638 if (ret) {
10639 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
10640 __func__);
10641 return ret;
10642 }
10643 nlmsg_free(msg);
10644 return 0;
10645}
10646
a6f5b193
PX		 10647
10648static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
10649 unsigned int period, unsigned int interval,
10650 unsigned int count, const u8 *device_types,
10651 size_t dev_types_len,
10652 const u8 *ies, size_t ies_len)
10653{
10654 struct i802_bss *bss = priv;
10655 struct wpa_driver_nl80211_data *drv = bss->drv;
10656 struct nl_msg *msg;
10657 struct nlattr *container;
10658 int ret;
10659
10660 wpa_printf(MSG_DEBUG,
10661 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
10662 freq, period, interval, count);
10663
10664 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10665 return -1;
10666
10667 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10668 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10669 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10670 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
10671 goto fail;
10672
10673 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10674 if (!container)
10675 goto fail;
10676
10677 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
10678 freq) ||
10679 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
10680 period) ||
10681 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
10682 interval) ||
10683 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
10684 count) ||
10685 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
10686 dev_types_len, device_types) ||
10687 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
10688 ies_len, ies))
10689 goto fail;
10690
10691 nla_nest_end(msg, container);
10692 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10693 msg = NULL;
10694 if (ret) {
10695 wpa_printf(MSG_DEBUG,
10696 "nl80211: Failed to send P2P Listen offload vendor command");
10697 goto fail;
10698 }
10699
10700 return 0;
10701
10702fail:
10703 nlmsg_free(msg);
10704 return -1;
10705}
10706
10707
10708static int nl80211_p2p_lo_stop(void *priv)
10709{
10710 struct i802_bss *bss = priv;
10711 struct wpa_driver_nl80211_data *drv = bss->drv;
10712 struct nl_msg *msg;
10713
10714 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
10715
10716 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10717 return -1;
10718
10719 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10720 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10721 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10722 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
10723 nlmsg_free(msg);
10724 return -1;
10725 }
10726
10727 return send_and_recv_msgs(drv, msg, NULL, NULL);
10728}
10729
2e4e4fb7
SD		 10730
10731static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
10732{
10733 struct i802_bss *bss = priv;
10734 struct wpa_driver_nl80211_data *drv = bss->drv;
10735 struct nl_msg *msg;
10736 struct nlattr *params;
10737 int ret;
10738 u32 tdls_mode;
10739
10740 wpa_printf(MSG_DEBUG,
10741 "nl80211: Set TDKS mode: tdls_external_control=%d",
10742 tdls_external_control);
10743
10744 if (tdls_external_control == 1)
10745 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
10746 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
10747 else
10748 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
10749
10750 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10751 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10752 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10753 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
10754 goto fail;
10755
10756 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10757 if (!params)
10758 goto fail;
10759
10760 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
10761 tdls_mode))
10762 goto fail;
10763
10764 nla_nest_end(msg, params);
10765
10766 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10767 msg = NULL;
10768 if (ret) {
10769 wpa_printf(MSG_ERROR,
10770 "nl80211: Set TDLS mode failed: ret=%d (%s)",
10771 ret, strerror(-ret));
10772 goto fail;
10773 }
10774 return 0;
10775fail:
10776 nlmsg_free(msg);
10777 return -1;
10778}
10779
3ab48492
KV		 10780
10781#ifdef CONFIG_MBO
10782
10783static enum mbo_transition_reject_reason
10784nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
10785{
10786 switch (status) {
10787 case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
10788 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
10789 case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
10790 return MBO_TRANSITION_REJECT_REASON_DELAY;
10791 case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
10792 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
10793 case QCA_STATUS_REJECT_LOW_RSSI:
10794 return MBO_TRANSITION_REJECT_REASON_RSSI;
10795 case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
10796 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
10797 case QCA_STATUS_REJECT_UNKNOWN:
10798 default:
10799 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
10800 }
10801}
10802
10803
10804static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
10805 struct nlattr *tb[], int num)
10806{
10807 enum qca_wlan_btm_candidate_status status;
10808 char buf[50];
10809
10810 os_memcpy(candidate->bssid,
10811 nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
10812 ETH_ALEN);
10813
10814 status = nla_get_u32(
10815 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
10816 candidate->is_accept = status == QCA_STATUS_ACCEPT;
10817 candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
10818
10819 if (candidate->is_accept)
10820 os_snprintf(buf, sizeof(buf), "Accepted");
10821 else
10822 os_snprintf(buf, sizeof(buf),
10823 "Rejected, Reject_reason: %d",
10824 candidate->reject_reason);
10825 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s",
10826 num, MAC2STR(candidate->bssid), buf);
10827}
10828
10829
10830static int
10831nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
10832{
10833 struct wpa_bss_candidate_info *info = arg;
10834 struct candidate_list *candidate = info->candidates;
10835 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
10836 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10837 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
10838 static struct nla_policy policy[
10839 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
10840 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
10841 .minlen = ETH_ALEN
10842 },
10843 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
10844 .type = NLA_U32,
10845 },
10846 };
10847 struct nlattr *attr;
10848 int rem;
10849 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10850 u8 num;
10851
10852 num = info->num; /* number of candidates sent to driver */
10853 info->num = 0;
10854 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10855 genlmsg_attrlen(gnlh, 0), NULL);
10856
10857 if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
10858 nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10859 tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
10860 !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
10861 return NL_SKIP;
10862
10863 wpa_printf(MSG_DEBUG,
10864 "nl80211: WNM Candidate list received from driver");
10865 nla_for_each_nested(attr,
10866 tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
10867 rem) {
10868 if (info->num >= num ||
10869 nla_parse_nested(
10870 tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
10871 attr, policy) ||
10872 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
10873 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
10874 break;
10875
10876 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
10877
10878 candidate++;
10879 info->num++;
10880 }
10881
10882 return NL_SKIP;
10883}
10884
10885
10886static struct wpa_bss_candidate_info *
10887nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
10888{
10889 struct i802_bss *bss = priv;
10890 struct wpa_driver_nl80211_data *drv = bss->drv;
10891 struct nl_msg *msg;
10892 struct nlattr *attr, *attr1, *attr2;
10893 struct wpa_bss_candidate_info *info;
10894 u8 i;
10895 int ret;
10896 u8 *pos;
10897
10898 if (!drv->fetch_bss_trans_status)
10899 return NULL;
10900
10901 info = os_zalloc(sizeof(*info));
10902 if (!info)
10903 return NULL;
10904 /* Allocate memory for number of candidates sent to driver */
10905 info->candidates = os_calloc(params->n_candidates,
10906 sizeof(*info->candidates));
10907 if (!info->candidates) {
10908 os_free(info);
10909 return NULL;
10910 }
10911
10912 /* Copy the number of candidates being sent to driver. This is used in
10913 * nl80211_get_bss_transition_status_handler() to limit the number of
10914 * candidates that can be populated in info->candidates and will be
10915 * later overwritten with the actual number of candidates received from
10916 * the driver.
10917 */
10918 info->num = params->n_candidates;
10919
10920 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10921 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10922 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10923 QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
10924 goto fail;
10925
10926 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10927 if (!attr)
10928 goto fail;
10929
10930 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
10931 params->mbo_transition_reason))
10932 goto fail;
10933
10934 attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
10935 if (!attr1)
10936 goto fail;
10937
10938 wpa_printf(MSG_DEBUG,
10939 "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
10940 params->mbo_transition_reason, params->n_candidates);
10941 pos = params->bssid;
10942 for (i = 0; i < params->n_candidates; i++) {
10943 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i,
10944 MAC2STR(pos));
10945 attr2 = nla_nest_start(msg, i);
10946 if (!attr2 ||
10947 nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
10948 ETH_ALEN, pos))
10949 goto fail;
10950 pos += ETH_ALEN;
10951 nla_nest_end(msg, attr2);
10952 }
10953
10954 nla_nest_end(msg, attr1);
10955 nla_nest_end(msg, attr);
10956
10957 ret = send_and_recv_msgs(drv, msg,
10958 nl80211_get_bss_transition_status_handler,
10959 info);
10960 msg = NULL;
10961 if (ret) {
10962 wpa_printf(MSG_ERROR,
10963 "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
10964 ret, strerror(-ret));
10965 goto fail;
10966 }
10967 return info;
10968
10969fail:
10970 nlmsg_free(msg);
10971 os_free(info->candidates);
10972 os_free(info);
10973 return NULL;
10974}
10975
178553b7
VK		 10976
10977/**
10978 * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
10979 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
10980 * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
10981 * Returns: 0 on success, -1 on failure
10982 */
10983static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
10984{
10985 struct i802_bss *bss = priv;
10986 struct wpa_driver_nl80211_data *drv = bss->drv;
10987 struct nl_msg *msg;
10988 struct nlattr *attr;
10989 int ret = -1;
10990
10991 if (!drv->set_wifi_conf_vendor_cmd_avail)
10992 return -1;
10993
10994 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10995 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10996 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10997 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
10998 goto fail;
10999
11000 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
11001 if (!attr)
11002 goto fail;
11003
11004 wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
11005 ignore_disallow);
11006 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
11007 ignore_disallow))
11008 goto fail;
11009
11010 nla_nest_end(msg, attr);
11011
11012 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11013 msg = NULL;
11014 if (ret) {
11015 wpa_printf(MSG_ERROR,
11016 "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
11017 ret, strerror(-ret));
11018 goto fail;
11019 }
11020
11021fail:
11022 nlmsg_free(msg);
11023 return ret;
11024}
11025
3ab48492
KV		 11026#endif /* CONFIG_MBO */
11027
b658547d
JM		 11028#endif /* CONFIG_DRIVER_NL80211_QCA */
11029
7c813acf 11030
6922d440
IP		 11031static int nl80211_write_to_file(const char *name, unsigned int val)
11032{
11033 int fd, len;
11034 char tmp[128];
3b726df8 11035 int ret = 0;
6922d440
IP		 11036
11037 fd = open(name, O_RDWR);
11038 if (fd < 0) {
3b726df8
BN		 11039 int level;
11040 /*
11041 * Flags may not exist on older kernels, or while we're tearing
11042 * down a disappearing device.
11043 */
11044 if (errno == ENOENT) {
11045 ret = 0;
11046 level = MSG_DEBUG;
11047 } else {
11048 ret = -1;
11049 level = MSG_ERROR;
11050 }
11051 wpa_printf(level, "nl80211: Failed to open %s: %s",
6922d440 11052 name, strerror(errno));
3b726df8 11053 return ret;
6922d440
IP		 11054 }
11055
11056 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
11057 len = write(fd, tmp, len);
3b726df8
BN		 11058 if (len < 0) {
11059 ret = -1;
6922d440
IP		 11060 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
11061 name, strerror(errno));
3b726df8 11062 }
6922d440
IP		 11063 close(fd);
11064
3b726df8 11065 return ret;
6922d440
IP		 11066}
11067
11068
11069static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
11070{
11071 struct i802_bss *bss = priv;
11072 char path[128];
11073 int ret;
11074
11075 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
11076 filter_flags);
11077
11078 /* Configure filtering of unicast frame encrypted using GTK */
11079 ret = os_snprintf(path, sizeof(path),
11080 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
11081 bss->ifname);
bd86ea08
JM		 11082 if (os_snprintf_error(sizeof(path), ret))
11083 return -1;
6922d440
IP		 11084
11085 ret = nl80211_write_to_file(path,
11086 !!(filter_flags &
11087 WPA_DATA_FRAME_FILTER_FLAG_GTK));
11088 if (ret) {
11089 wpa_printf(MSG_ERROR,
11090 "nl80211: Failed to set IPv4 unicast in multicast filter");
11091 return ret;
11092 }
11093
11094 os_snprintf(path, sizeof(path),
11095 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
11096 bss->ifname);
11097 ret = nl80211_write_to_file(path,
11098 !!(filter_flags &
11099 WPA_DATA_FRAME_FILTER_FLAG_GTK));
11100
11101 if (ret) {
11102 wpa_printf(MSG_ERROR,
11103 "nl80211: Failed to set IPv6 unicast in multicast filter");
11104 return ret;
11105 }
11106
11107 /* Configure filtering of unicast frame encrypted using GTK */
11108 os_snprintf(path, sizeof(path),
11109 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
11110 bss->ifname);
11111 ret = nl80211_write_to_file(path,
11112 !!(filter_flags &
11113 WPA_DATA_FRAME_FILTER_FLAG_ARP));
11114 if (ret) {
11115 wpa_printf(MSG_ERROR,
11116 "nl80211: Failed set gratuitous ARP filter");
11117 return ret;
11118 }
11119
11120 /* Configure filtering of IPv6 NA frames */
11121 os_snprintf(path, sizeof(path),
11122 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
11123 bss->ifname);
11124 ret = nl80211_write_to_file(path,
11125 !!(filter_flags &
11126 WPA_DATA_FRAME_FILTER_FLAG_NA));
11127 if (ret) {
11128 wpa_printf(MSG_ERROR,
11129 "nl80211: Failed to set unsolicited NA filter");
11130 return ret;
11131 }
11132
11133 return 0;
11134}
11135
11136
cc9a2575
KV		 11137static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
11138 const u8 **ext_capa, const u8 **ext_capa_mask,
11139 unsigned int *ext_capa_len)
11140{
11141 struct i802_bss *bss = priv;
11142 struct wpa_driver_nl80211_data *drv = bss->drv;
11143 enum nl80211_iftype nlmode;
11144 unsigned int i;
11145
11146 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
11147 return -1;
11148
11149 nlmode = wpa_driver_nl80211_if_type(type);
11150
11151 /* By default, use the per-radio values */
11152 *ext_capa = drv->extended_capa;
11153 *ext_capa_mask = drv->extended_capa_mask;
11154 *ext_capa_len = drv->extended_capa_len;
11155
11156 /* Replace the default value if a per-interface type value exists */
11157 for (i = 0; i < drv->num_iface_ext_capa; i++) {
11158 if (nlmode == drv->iface_ext_capa[i].iftype) {
11159 *ext_capa = drv->iface_ext_capa[i].ext_capa;
11160 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
11161 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
11162 break;
11163 }
11164 }
11165
11166 return 0;
11167}
11168
11169
3c67e977
VK		 11170static int nl80211_update_connection_params(
11171 void *priv, struct wpa_driver_associate_params *params,
11172 enum wpa_drv_update_connect_params_mask mask)
11173{
11174 struct i802_bss *bss = priv;
11175 struct wpa_driver_nl80211_data *drv = bss->drv;
11176 struct nl_msg *msg;
11177 int ret = -1;
11178 enum nl80211_auth_type type;
11179
c574a3ff
SD		 11180 /* Update Connection Params is intended for drivers that implement
11181 * internal SME and expect these updated connection params from
11182 * wpa_supplicant. Do not send this request for the drivers using
11183 * SME from wpa_supplicant.
11184 */
11185 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
11186 return 0;
11187
3c67e977
VK		 11188 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
11189 if (!msg)
11190 goto fail;
11191
11192 wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
11193 drv->ifindex);
11194
11195 if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
11196 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
11197 params->wpa_ie))
11198 goto fail;
11199 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie,
11200 params->wpa_ie_len);
11201 }
11202
11203 if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
11204 type = get_nl_auth_type(params->auth_alg);
11205 if (type == NL80211_AUTHTYPE_MAX ||
11206 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
11207 goto fail;
11208 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
11209 }
11210
11211 if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
11212 nl80211_put_fils_connect_params(drv, params, msg))
11213 goto fail;
11214
11215 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11216 msg = NULL;
11217 if (ret)
11218 wpa_dbg(drv->ctx, MSG_DEBUG,
11219 "nl80211: Update connect params command failed: ret=%d (%s)",
11220 ret, strerror(-ret));
11221
11222fail:
11223 nlmsg_free(msg);
11224 return ret;
11225}
11226
11227
ba71cb82
SD		 11228static int nl80211_send_external_auth_status(void *priv,
11229 struct external_auth *params)
11230{
11231 struct i802_bss *bss = priv;
11232 struct wpa_driver_nl80211_data *drv = bss->drv;
11233 struct nl_msg *msg = NULL;
11234 int ret = -1;
11235
236e793e 11236 /* External auth command/status is intended for drivers that implement
1730a6a5
JM		 11237 * internal SME but want to offload authentication processing (e.g.,
11238 * SAE) to hostapd/wpa_supplicant. Do not send the status to drivers
236e793e
SD		 11239 * which do not support AP SME or use wpa_supplicant/hostapd SME.
11240 */
2552a373 11241 if ((is_ap_interface(drv->nlmode) && !bss->drv->device_ap_sme) ||
236e793e
SD		 11242 (drv->capa.flags & WPA_DRIVER_FLAGS_SME))
11243 return -1;
11244
ba71cb82
SD		 11245 wpa_dbg(drv->ctx, MSG_DEBUG,
11246 "nl80211: External auth status: %u", params->status);
11247
11248 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH);
11249 if (!msg ||
11250 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) ||
dd1a8cef 11251 (params->ssid && params->ssid_len &&
236e793e
SD		 11252 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
11253 (params->pmkid &&
11254 nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) ||
dd1a8cef
JM		 11255 (params->bssid &&
11256 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
ba71cb82
SD		 11257 goto fail;
11258 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11259 msg = NULL;
11260 if (ret) {
11261 wpa_printf(MSG_DEBUG,
11262 "nl80211: External Auth status update failed: ret=%d (%s)",
11263 ret, strerror(-ret));
11264 goto fail;
11265 }
11266fail:
11267 nlmsg_free(msg);
11268 return ret;
11269}
11270
11271
5abc7823
VN		 11272static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
11273 int val)
11274{
11275 struct i802_bss *bss = priv;
11276 struct wpa_driver_nl80211_data *drv = bss->drv;
11277 struct nl_msg *msg;
11278 int ret = -ENOBUFS;
11279
11280 wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
11281 val ? "Enable" : "Disable", bridge_ifname);
11282
11283 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
11284 if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
11285 goto fail;
11286
11287 if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
11288 if (linux_br_del_if(drv->global->ioctl_sock,
11289 bridge_ifname, bss->ifname)) {
11290 wpa_printf(MSG_ERROR,
11291 "nl80211: Failed to remove interface %s from bridge %s",
11292 bss->ifname, bridge_ifname);
11293 return -1;
11294 }
11295 bss->added_if_into_bridge = 0;
11296 }
11297
11298 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11299 msg = NULL;
11300 if (!ret) {
11301 if (bridge_ifname[0] && val &&
11302 i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
11303 return -1;
11304 return 0;
11305 }
11306
11307fail:
11308 nlmsg_free(msg);
11309 wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
11310
11311 return ret;
11312}
11313
11314
3f5285e8
JM		 11315const struct wpa_driver_ops wpa_driver_nl80211_ops = {
11316 .name = "nl80211",
11317 .desc = "Linux nl80211/cfg80211",
11318 .get_bssid = wpa_driver_nl80211_get_bssid,
11319 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 11320 .set_key = driver_nl80211_set_key,
11321 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 11322 .sched_scan = wpa_driver_nl80211_sched_scan,
11323 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 11324 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
4f30addb 11325 .abort_scan = wpa_driver_nl80211_abort_scan,
9ebce9c5
JM		 11326 .deauthenticate = driver_nl80211_deauthenticate,
11327 .authenticate = driver_nl80211_authenticate,
3f5285e8 11328 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 11329 .global_init = nl80211_global_init,
11330 .global_deinit = nl80211_global_deinit,
11331 .init2 = wpa_driver_nl80211_init,
9ebce9c5 11332 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 11333 .get_capa = wpa_driver_nl80211_get_capa,
11334 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 11335 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 11336 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 11337 .get_country = wpa_driver_nl80211_get_country,
19c3b566 11338 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 11339 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 11340 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 11341 .if_remove = driver_nl80211_if_remove,
11342 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 11343 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 11344 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 11345 .sta_remove = driver_nl80211_sta_remove,
8759e911 11346 .tx_control_port = nl80211_tx_control_port,
db149ac9 11347 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 11348 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
1d6f6385 11349 .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight,
c5121837 11350 .hapd_init = i802_init,
c5121837 11351 .hapd_deinit = i802_deinit,
f7b3920c 11352 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 11353 .get_seqnum = i802_get_seqnum,
11354 .flush = i802_flush,
c5121837
JM		 11355 .get_inact_sec = i802_get_inact_sec,
11356 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 11357 .set_rts = i802_set_rts,
11358 .set_frag = i802_set_frag,
c5121837 11359 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 11360 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 11361 .sta_deauth = i802_sta_deauth,
11362 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 11363 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 11364 .set_freq = i802_set_freq,
9ebce9c5 11365 .send_action = driver_nl80211_send_action,
5dfca53f 11366 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 11367 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
11368 .cancel_remain_on_channel =
11369 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 11370 .probe_req_report = driver_nl80211_probe_req_report,
af473088 11371 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 11372 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 11373 .resume = wpa_driver_nl80211_resume,
b625473c 11374 .signal_monitor = nl80211_signal_monitor,
1c5c7273 11375 .signal_poll = nl80211_signal_poll,
7f00dc6e 11376 .channel_info = nl80211_channel_info,
c55f774d 11377 .set_param = nl80211_set_param,
6859f1cb 11378 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 11379 .add_pmkid = nl80211_add_pmkid,
11380 .remove_pmkid = nl80211_remove_pmkid,
11381 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 11382 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 11383 .poll_client = nl80211_poll_client,
29f338af 11384 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 11385 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 11386 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 11387#ifdef CONFIG_TDLS
11388 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
11389 .tdls_oper = nl80211_tdls_oper,
72b2605f
AN		 11390 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
11391 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
03ea1786 11392#endif /* CONFIG_TDLS */
6a1ce395 11393 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
d1836e23 11394 .update_dh_ie = nl80211_update_dh_ie,
597b94f5 11395 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 11396 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 11397 .status = wpa_driver_nl80211_status,
1c4ffa87 11398 .switch_channel = nl80211_switch_channel,
0de38036
JM		 11399#ifdef ANDROID_P2P
11400 .set_noa = wpa_driver_set_p2p_noa,
11401 .get_noa = wpa_driver_get_p2p_noa,
11402 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
11403#endif /* ANDROID_P2P */
5e2c3490 11404#ifdef ANDROID
ded14ce9 11405#ifndef ANDROID_LIB_STUB
5e2c3490 11406 .driver_cmd = wpa_driver_nl80211_driver_cmd,
ded14ce9 11407#endif /* !ANDROID_LIB_STUB */
5e2c3490 11408#endif /* ANDROID */
adef8948 11409 .vendor_cmd = nl80211_vendor_cmd,
049105b4 11410 .set_qos_map = nl80211_set_qos_map,
82ba4f2d 11411 .get_wowlan = nl80211_get_wowlan,
e4fa8b12 11412 .set_wowlan = nl80211_set_wowlan,
fee354c7 11413 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 11414#ifdef CONFIG_MESH
11415 .init_mesh = wpa_driver_nl80211_init_mesh,
11416 .join_mesh = wpa_driver_nl80211_join_mesh,
11417 .leave_mesh = wpa_driver_nl80211_leave_mesh,
c36109e4 11418 .probe_mesh_link = nl80211_probe_mesh_link,
6c1664f6 11419#endif /* CONFIG_MESH */
71103bed
KP		 11420 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
11421 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 11422 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 11423 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB		 11424 .add_tx_ts = nl80211_add_ts,
11425 .del_tx_ts = nl80211_del_ts,
45e3fc72 11426 .get_ifindex = nl80211_get_ifindex,
b658547d 11427#ifdef CONFIG_DRIVER_NL80211_QCA
9607a1ae 11428 .roaming = nl80211_roaming,
d98038bb 11429 .disable_fils = nl80211_disable_fils,
16689c7c 11430 .do_acs = wpa_driver_do_acs,
844dfeb8 11431 .set_band = nl80211_set_band,
98342208 11432 .get_pref_freq_list = nl80211_get_pref_freq_list,
7c813acf 11433 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
a6f5b193
PX		 11434 .p2p_lo_start = nl80211_p2p_lo_start,
11435 .p2p_lo_stop = nl80211_p2p_lo_stop,
cc9985d1 11436 .set_default_scan_ies = nl80211_set_default_scan_ies,
2e4e4fb7 11437 .set_tdls_mode = nl80211_set_tdls_mode,
3ab48492
KV		 11438#ifdef CONFIG_MBO
11439 .get_bss_transition_status = nl80211_get_bss_transition_status,
178553b7 11440 .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
3ab48492 11441#endif /* CONFIG_MBO */
b04854ce 11442 .set_bssid_blacklist = nl80211_set_bssid_blacklist,
df3b2e22 11443 .add_sta_node = nl80211_add_sta_node,
b658547d 11444#endif /* CONFIG_DRIVER_NL80211_QCA */
6922d440 11445 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
cc9a2575 11446 .get_ext_capab = nl80211_get_ext_capab,
3c67e977 11447 .update_connect_params = nl80211_update_connection_params,
ba71cb82 11448 .send_external_auth_status = nl80211_send_external_auth_status,
5abc7823 11449 .set_4addr_mode = nl80211_set_4addr_mode,
3f5285e8 11450};
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