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DBus: Add "sae" to interface key_mgmt capabilities
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
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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)
cb86e8ba 3166 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s",
1ad1cdc2 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) ?
f1d38560
JM		 3192 (key_idx == 6 || key_idx == 7 ?
3193 NL80211_KEY_DEFAULT_BEACON :
3194 NL80211_KEY_DEFAULT_MGMT) :
3195 NL80211_KEY_DEFAULT))
a862e4a3 3196 goto fail;
60ea8187 3197 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 3198 struct nlattr *types;
3199
83b83b46 3200 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
a862e4a3 3201 if (!types ||
83b83b46 3202 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
a862e4a3 3203 goto fail;
83b83b46 3204 nla_nest_end(key_msg, types);
60ea8187 3205 } else if (addr) {
8970bae8
JB		 3206 struct nlattr *types;
3207
83b83b46 3208 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
a862e4a3 3209 if (!types ||
83b83b46 3210 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
a862e4a3 3211 goto fail;
83b83b46 3212 nla_nest_end(key_msg, types);
60ea8187 3213 }
3f5285e8 3214
83b83b46
AW		 3215 if (nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
3216 goto fail;
3217 nl80211_nlmsg_clear(key_msg);
3218 nlmsg_free(key_msg);
3219 key_msg = NULL;
3220
0f903f37
GG		 3221 if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
3222 wpa_printf(MSG_DEBUG, "nl80211: set_key default - VLAN ID %d",
3223 vlan_id);
3224 if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id))
3225 goto fail;
3226 }
3227
1ad1cdc2
JM		 3228 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3229 if (ret == -ENOENT)
3230 ret = 0;
3231 if (ret)
cb86e8ba
JM		 3232 wpa_printf(MSG_DEBUG,
3233 "nl80211: set_key default failed; err=%d %s",
3234 ret, strerror(-ret));
1ad1cdc2 3235 return ret;
3f5285e8 3236
a862e4a3 3237fail:
bbd89bfc 3238 nl80211_nlmsg_clear(msg);
5883168a 3239 nlmsg_free(msg);
83b83b46
AW		 3240fail2:
3241 nl80211_nlmsg_clear(key_msg);
3242 nlmsg_free(key_msg);
6241fcb1 3243 return -ENOBUFS;
3f5285e8
JM		 3244}
3245
3246
71934751 3247static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 3248 int key_idx, int defkey,
3249 const u8 *seq, size_t seq_len,
3250 const u8 *key, size_t key_len)
3251{
3252 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
34651767
JM		 3253 u32 suite;
3254
0194fedb
JB		 3255 if (!key_attr)
3256 return -1;
3257
34651767
JM		 3258 suite = wpa_alg_to_cipher_suite(alg, key_len);
3259 if (!suite)
3260 return -1;
3261
a862e4a3
JM		 3262 if (defkey && alg == WPA_ALG_IGTK) {
3263 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
3264 return -1;
3265 } else if (defkey) {
3266 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
3267 return -1;
3268 }
0194fedb 3269
a862e4a3 3270 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
34651767 3271 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
a862e4a3
JM		 3272 (seq && seq_len &&
3273 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
3274 nla_put(msg, NL80211_KEY_DATA, key_len, key))
3275 return -1;
0194fedb
JB		 3276
3277 nla_nest_end(msg, key_attr);
3278
3279 return 0;
0194fedb
JB		 3280}
3281
c811d5bc 3282
cfaab580
ZY		 3283static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
3284 struct nl_msg *msg)
3285{
3286 int i, privacy = 0;
3287 struct nlattr *nl_keys, *nl_key;
3288
3289 for (i = 0; i < 4; i++) {
3290 if (!params->wep_key[i])
3291 continue;
3292 privacy = 1;
3293 break;
3294 }
ce04af5a
JM		 3295 if (params->wps == WPS_MODE_PRIVACY)
3296 privacy = 1;
3297 if (params->pairwise_suite &&
3298 params->pairwise_suite != WPA_CIPHER_NONE)
3299 privacy = 1;
3300
cfaab580
ZY		 3301 if (!privacy)
3302 return 0;
3303
a862e4a3
JM		 3304 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3305 return -ENOBUFS;
cfaab580
ZY		 3306
3307 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
3308 if (!nl_keys)
a862e4a3 3309 return -ENOBUFS;
cfaab580
ZY		 3310
3311 for (i = 0; i < 4; i++) {
3312 if (!params->wep_key[i])
3313 continue;
3314
3315 nl_key = nla_nest_start(msg, i);
a862e4a3
JM		 3316 if (!nl_key ||
3317 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3318 params->wep_key[i]) ||
3319 nla_put_u32(msg, NL80211_KEY_CIPHER,
3320 params->wep_key_len[i] == 5 ?
a042e39a
JM		 3321 RSN_CIPHER_SUITE_WEP40 :
3322 RSN_CIPHER_SUITE_WEP104) ||
a862e4a3
JM		 3323 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3324 (i == params->wep_tx_keyidx &&
3325 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3326 return -ENOBUFS;
cfaab580
ZY		 3327
3328 nla_nest_end(msg, nl_key);
3329 }
3330 nla_nest_end(msg, nl_keys);
3331
3332 return 0;
cfaab580
ZY		 3333}
3334
3335
477af8f8
JM		 3336int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3337 const u8 *addr, int cmd, u16 reason_code,
10d32e2c 3338 int local_state_change,
25ebd538 3339 struct nl_sock *nl_connect)
c2a04078 3340{
a862e4a3 3341 int ret;
c2a04078
JM		 3342 struct nl_msg *msg;
3343
9725b784 3344 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM		 3345 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3346 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3347 (local_state_change &&
3348 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3349 nlmsg_free(msg);
3350 return -1;
3351 }
c2a04078 3352
10d32e2c
CI		 3353 if (nl_connect)
3354 ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL);
3355 else
3356 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 3357 if (ret) {
3b7ea880
BG		 3358 wpa_dbg(drv->ctx, MSG_DEBUG,
3359 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3360 reason_code, ret, strerror(-ret));
c2a04078 3361 }
c2a04078
JM		 3362 return ret;
3363}
3f5285e8
JM		 3364
3365
cfaab580 3366static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
4be17ffb 3367 u16 reason_code,
25ebd538 3368 struct nl_sock *nl_connect)
cfaab580 3369{
3f53c006 3370 int ret;
b898b655 3371 int drv_associated = drv->associated;
3f53c006 3372
817762d9 3373 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 3374 nl80211_mark_disconnected(drv);
817762d9 3375 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006 3376 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
10d32e2c 3377 reason_code, 0, nl_connect);
3f53c006
JJ		 3378 /*
3379 * For locally generated disconnect, supplicant already generates a
3380 * DEAUTH event, so ignore the event from NL80211.
3381 */
b898b655 3382 drv->ignore_next_local_disconnect = drv_associated && (ret == 0);
3f53c006
JJ		 3383
3384 return ret;
cfaab580
ZY		 3385}
3386
3387
9ebce9c5 3388static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
4be17ffb 3389 const u8 *addr, u16 reason_code)
3f5285e8 3390{
a2e40bb6 3391 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 3392 int ret;
b898b655 3393 int drv_associated = drv->associated;
9392c9be
AS		 3394
3395 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3396 nl80211_mark_disconnected(drv);
666e508c 3397 return nl80211_leave_ibss(drv, 1);
9392c9be 3398 }
10d32e2c 3399 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
25ebd538 3400 struct nl_sock *nl_connect = NULL;
10d32e2c
CI		 3401
3402 if (bss->use_nl_connect)
3403 nl_connect = bss->nl_connect;
3404 return wpa_driver_nl80211_disconnect(drv, reason_code,
3405 nl_connect);
3406 }
2e75a2b3
JM		 3407 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3408 __func__, MAC2STR(addr), reason_code);
add9b7a4 3409 nl80211_mark_disconnected(drv);
d6a36f39 3410 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
10d32e2c 3411 reason_code, 0, NULL);
d6a36f39
JM		 3412 /*
3413 * For locally generated deauthenticate, supplicant already generates a
3414 * DEAUTH event, so ignore the event from NL80211.
3415 */
b898b655
HW		 3416 drv->ignore_next_local_deauth = drv_associated && (ret == 0);
3417
d6a36f39 3418 return ret;
3f5285e8
JM		 3419}
3420
3421
536fd62d
JM		 3422static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3423 struct wpa_driver_auth_params *params)
3424{
3425 int i;
3426
3427 drv->auth_freq = params->freq;
3428 drv->auth_alg = params->auth_alg;
3429 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3430 drv->auth_local_state_change = params->local_state_change;
3431 drv->auth_p2p = params->p2p;
3432
3433 if (params->bssid)
3434 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3435 else
3436 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3437
3438 if (params->ssid) {
3439 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3440 drv->auth_ssid_len = params->ssid_len;
3441 } else
3442 drv->auth_ssid_len = 0;
3443
3444
3445 os_free(drv->auth_ie);
3446 drv->auth_ie = NULL;
3447 drv->auth_ie_len = 0;
3448 if (params->ie) {
3449 drv->auth_ie = os_malloc(params->ie_len);
3450 if (drv->auth_ie) {
3451 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3452 drv->auth_ie_len = params->ie_len;
3453 }
3454 }
3455
3456 for (i = 0; i < 4; i++) {
3457 if (params->wep_key[i] && params->wep_key_len[i] &&
3458 params->wep_key_len[i] <= 16) {
3459 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3460 params->wep_key_len[i]);
3461 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3462 } else
3463 drv->auth_wep_key_len[i] = 0;
3464 }
3465}
3466
3467
4bd71954
JM		 3468static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3469{
3470 struct wpa_driver_nl80211_data *drv = bss->drv;
3471
3472 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3473 return;
3474
3475 /*
3476 * Looks like we failed to unmask 11b rates previously. This could
3477 * happen, e.g., if the interface was down at the point in time when a
3478 * P2P group was terminated.
3479 */
3480 wpa_printf(MSG_DEBUG,
3481 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3482 bss->ifname);
3483 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3484}
3485
3486
3c67e977
VK		 3487static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3488{
3489 if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3490 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3491 if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3492 return NL80211_AUTHTYPE_SHARED_KEY;
3493 if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3494 return NL80211_AUTHTYPE_NETWORK_EAP;
3495 if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3496 return NL80211_AUTHTYPE_FT;
3497 if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3498 return NL80211_AUTHTYPE_SAE;
3499 if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3500 return NL80211_AUTHTYPE_FILS_SK;
3501 if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3502 return NL80211_AUTHTYPE_FILS_SK_PFS;
3503
3504 return NL80211_AUTHTYPE_MAX;
3505}
3506
3507
c2a04078 3508static int wpa_driver_nl80211_authenticate(
9ebce9c5 3509 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 3510{
a2e40bb6 3511 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 3512 int ret = -1, i;
c2a04078
JM		 3513 struct nl_msg *msg;
3514 enum nl80211_auth_type type;
2f4f73b1 3515 enum nl80211_iftype nlmode;
6d6f4bb8 3516 int count = 0;
536fd62d 3517 int is_retry;
3df4c05a 3518 struct wpa_driver_set_key_params p;
536fd62d 3519
4bd71954
JM		 3520 nl80211_unmask_11b_rates(bss);
3521
536fd62d
JM		 3522 is_retry = drv->retry_auth;
3523 drv->retry_auth = 0;
e8d70a73 3524 drv->ignore_deauth_event = 0;
c2a04078 3525
add9b7a4 3526 nl80211_mark_disconnected(drv);
e6b8efeb 3527 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 3528 if (params->bssid)
3529 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3530 else
3531 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 3532 /* FIX: IBSS mode */
2f4f73b1
EP		 3533 nlmode = params->p2p ?
3534 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3535 if (drv->nlmode != nlmode &&
9ebce9c5 3536 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 3537 return -1;
3538
6d6f4bb8 3539retry:
c2a04078
JM		 3540 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3541 drv->ifindex);
a0b2f99b 3542
9725b784
JM		 3543 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3544 if (!msg)
3545 goto fail;
0194fedb 3546
3df4c05a
JM		 3547 os_memset(&p, 0, sizeof(p));
3548 p.ifname = bss->ifname;
3549 p.alg = WPA_ALG_WEP;
a0b2f99b
JM		 3550 for (i = 0; i < 4; i++) {
3551 if (!params->wep_key[i])
3552 continue;
3df4c05a
JM		 3553 p.key_idx = i;
3554 p.set_tx = i == params->wep_tx_keyidx;
3555 p.key = params->wep_key[i];
3556 p.key_len = params->wep_key_len[i];
3557 wpa_driver_nl80211_set_key(bss, &p);
0194fedb
JB		 3558 if (params->wep_tx_keyidx != i)
3559 continue;
3560 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM		 3561 params->wep_key[i], params->wep_key_len[i]))
3562 goto fail;
a0b2f99b
JM		 3563 }
3564
c2a04078
JM		 3565 if (params->bssid) {
3566 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3567 MAC2STR(params->bssid));
a862e4a3
JM		 3568 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3569 goto fail;
c2a04078
JM		 3570 }
3571 if (params->freq) {
3572 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 3573 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3574 goto fail;
c2a04078
JM		 3575 }
3576 if (params->ssid) {
21cd8f83
JM		 3577 wpa_printf(MSG_DEBUG, " * SSID=%s",
3578 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 3579 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3580 params->ssid))
3581 goto fail;
c2a04078
JM		 3582 }
3583 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM		 3584 if (params->ie &&
3585 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3586 goto fail;
ce16c489
JM		 3587 if (params->auth_data) {
3588 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
3589 params->auth_data_len);
3590 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
3591 params->auth_data))
a862e4a3 3592 goto fail;
569fed90 3593 }
3c67e977 3594 type = get_nl_auth_type(params->auth_alg);
c2a04078 3595 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 3596 if (type == NL80211_AUTHTYPE_MAX ||
3597 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 3598 goto fail;
77339912
JM		 3599 if (params->local_state_change) {
3600 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM		 3601 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3602 goto fail;
77339912 3603 }
c2a04078
JM		 3604
3605 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3606 msg = NULL;
3607 if (ret) {
3b7ea880 3608 wpa_dbg(drv->ctx, MSG_DEBUG,
f875da04
BG		 3609 "nl80211: MLME command failed (auth): count=%d ret=%d (%s)",
3610 count, ret, strerror(-ret));
6d6f4bb8 3611 count++;
f875da04
BG		 3612 if ((ret == -EALREADY || ret == -EEXIST) && count == 1 &&
3613 params->bssid && !params->local_state_change) {
6d6f4bb8
JM		 3614 /*
3615 * mac80211 does not currently accept new
3616 * authentication if we are already authenticated. As a
3617 * workaround, force deauthentication and try again.
3618 */
3619 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3620 "after forced deauthentication");
e8d70a73 3621 drv->ignore_deauth_event = 1;
6d6f4bb8 3622 wpa_driver_nl80211_deauthenticate(
5205c4f9 3623 bss, params->bssid,
6d6f4bb8
JM		 3624 WLAN_REASON_PREV_AUTH_NOT_VALID);
3625 nlmsg_free(msg);
3626 goto retry;
3627 }
536fd62d
JM		 3628
3629 if (ret == -ENOENT && params->freq && !is_retry) {
3630 /*
3631 * cfg80211 has likely expired the BSS entry even
3632 * though it was previously available in our internal
3633 * BSS table. To recover quickly, start a single
3634 * channel scan on the specified channel.
3635 */
3636 struct wpa_driver_scan_params scan;
3637 int freqs[2];
3638
3639 os_memset(&scan, 0, sizeof(scan));
3640 scan.num_ssids = 1;
3641 if (params->ssid) {
3642 scan.ssids[0].ssid = params->ssid;
3643 scan.ssids[0].ssid_len = params->ssid_len;
3644 }
3645 freqs[0] = params->freq;
3646 freqs[1] = 0;
3647 scan.freqs = freqs;
3648 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3649 "channel scan to refresh cfg80211 BSS "
3650 "entry");
3651 ret = wpa_driver_nl80211_scan(bss, &scan);
3652 if (ret == 0) {
3653 nl80211_copy_auth_params(drv, params);
3654 drv->scan_for_auth = 1;
3655 }
8c3ba078
JM		 3656 } else if (is_retry) {
3657 /*
3658 * Need to indicate this with an event since the return
3659 * value from the retry is not delivered to core code.
3660 */
3661 union wpa_event_data event;
3662 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3663 "failed");
3664 os_memset(&event, 0, sizeof(event));
3665 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3666 ETH_ALEN);
3667 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3668 &event);
536fd62d 3669 }
a862e4a3
JM		 3670 } else {
3671 wpa_printf(MSG_DEBUG,
3672 "nl80211: Authentication request send successfully");
c2a04078 3673 }
c2a04078 3674
a862e4a3 3675fail:
c2a04078
JM		 3676 nlmsg_free(msg);
3677 return ret;
3678}
3679
3680
f3407c66 3681int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM		 3682{
3683 struct wpa_driver_auth_params params;
834ee56f 3684 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 3685 int i;
3686
3687 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3688
3689 os_memset(&params, 0, sizeof(params));
3690 params.freq = drv->auth_freq;
3691 params.auth_alg = drv->auth_alg;
3692 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3693 params.local_state_change = drv->auth_local_state_change;
3694 params.p2p = drv->auth_p2p;
3695
3696 if (!is_zero_ether_addr(drv->auth_bssid_))
3697 params.bssid = drv->auth_bssid_;
3698
3699 if (drv->auth_ssid_len) {
3700 params.ssid = drv->auth_ssid;
3701 params.ssid_len = drv->auth_ssid_len;
3702 }
3703
3704 params.ie = drv->auth_ie;
3705 params.ie_len = drv->auth_ie_len;
3706
3707 for (i = 0; i < 4; i++) {
3708 if (drv->auth_wep_key_len[i]) {
3709 params.wep_key[i] = drv->auth_wep_key[i];
3710 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3711 }
3712 }
3713
3714 drv->retry_auth = 1;
3715 return wpa_driver_nl80211_authenticate(bss, &params);
3716}
3717
3718
9ebce9c5
JM		 3719static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3720 size_t data_len, int noack,
3721 unsigned int freq, int no_cck,
3722 int offchanok,
2d3943ce
AO		 3723 unsigned int wait_time,
3724 const u16 *csa_offs,
27cc06d0 3725 size_t csa_offs_len, int no_encrypt)
2c2010ac 3726{
a2e40bb6 3727 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 3728 struct ieee80211_mgmt *mgmt;
27cc06d0 3729 int encrypt = !no_encrypt;
2c2010ac 3730 u16 fc;
5ad372cc 3731 int use_cookie = 1;
0dae4354 3732 int res;
2c2010ac
JM		 3733
3734 mgmt = (struct ieee80211_mgmt *) data;
3735 fc = le_to_host16(mgmt->frame_control);
f95a4524 3736 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
27cc06d0 3737 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u no_encrypt=%d fc=0x%x (%s) nlmode=%d",
f95a4524 3738 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
27cc06d0 3739 no_encrypt, fc, fc2str(fc), drv->nlmode);
2c2010ac 3740
8e12685c
AS		 3741 if ((is_sta_interface(drv->nlmode) ||
3742 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 3743 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3744 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3745 /*
3746 * The use of last_mgmt_freq is a bit of a hack,
3747 * but it works due to the single-threaded nature
3748 * of wpa_supplicant.
3749 */
af964484
JM		 3750 if (freq == 0) {
3751 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3752 drv->last_mgmt_freq);
55231068 3753 freq = drv->last_mgmt_freq;
af964484 3754 }
5ad372cc
JM		 3755 wait_time = 0;
3756 use_cookie = 0;
3757 no_cck = 1;
3758 offchanok = 1;
3759 goto send_frame_cmd;
5582a5d1
JB		 3760 }
3761
61cbe2ff 3762 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 3763 if (freq == 0) {
3764 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3765 bss->freq);
55231068 3766 freq = bss->freq;
af964484 3767 }
5ad372cc
JM		 3768 if ((int) freq == bss->freq)
3769 wait_time = 0;
3770 goto send_frame_cmd;
86957e62
JM		 3771 }
3772
2c2010ac
JM		 3773 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3774 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3775 /*
3776 * Only one of the authentication frame types is encrypted.
3777 * In order for static WEP encryption to work properly (i.e.,
3778 * to not encrypt the frame), we need to tell mac80211 about
3779 * the frames that must not be encrypted.
3780 */
3781 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3782 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 3783 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3784 encrypt = 0;
2c2010ac
JM		 3785 }
3786
aad414e9
O		 3787 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_STATION &&
3788 (drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
3789 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
3790 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3791 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3792 freq = nl80211_get_assoc_freq(drv);
3793 wpa_printf(MSG_DEBUG,
3794 "nl80211: send_mlme - Use assoc_freq=%u for external auth",
3795 freq);
3796 }
3797
0dae4354
JM		 3798 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3799 freq = nl80211_get_assoc_freq(drv);
3800 wpa_printf(MSG_DEBUG,
3801 "nl80211: send_mlme - Use assoc_freq=%u for IBSS",
3802 freq);
3803 }
3804 if (freq == 0) {
3805 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - Use bss->freq=%u",
3806 bss->freq);
3807 freq = bss->freq;
3808 }
3809
3810 if (drv->use_monitor) {
3811 wpa_printf(MSG_DEBUG,
3812 "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3813 freq, bss->freq);
3814 return nl80211_send_monitor(drv, data, data_len, encrypt,
3815 noack);
3816 }
3817
5ad372cc
JM		 3818 if (noack || WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
3819 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
3820 use_cookie = 0;
3821send_frame_cmd:
9bedf900
JM		 3822#ifdef CONFIG_TESTING_OPTIONS
3823 if (no_encrypt && !encrypt && !drv->use_monitor) {
3824 wpa_printf(MSG_DEBUG,
3825 "nl80211: Request to send an unencrypted frame - use a monitor interface for this");
3826 if (nl80211_create_monitor_interface(drv) < 0)
3827 return -1;
3828 res = nl80211_send_monitor(drv, data, data_len, encrypt,
3829 noack);
3830 nl80211_remove_monitor_interface(drv);
3831 return res;
3832 }
3833#endif /* CONFIG_TESTING_OPTIONS */
3834
0dae4354
JM		 3835 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame_cmd");
3836 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, data_len,
5ad372cc 3837 use_cookie, no_cck, noack, offchanok,
0dae4354 3838 csa_offs, csa_offs_len);
0dae4354
JM		 3839
3840 return res;
55231068
JM		 3841}
3842
3843
cae87abd
JM		 3844static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3845{
3846 u8 rates[NL80211_MAX_SUPP_RATES];
3847 u8 rates_len = 0;
3848 int i;
3849
3850 if (!basic_rates)
3851 return 0;
3852
3853 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3854 rates[rates_len++] = basic_rates[i] / 5;
3855
3856 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3857}
3858
3859
31357268 3860static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47 3861 int slot, int ht_opmode, int ap_isolate,
cae87abd 3862 const int *basic_rates)
31357268
JM		 3863{
3864 struct wpa_driver_nl80211_data *drv = bss->drv;
3865 struct nl_msg *msg;
3866
13f83980 3867 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM		 3868 (cts >= 0 &&
3869 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3870 (preamble >= 0 &&
3871 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3872 (slot >= 0 &&
3873 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3874 (ht_opmode >= 0 &&
3875 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3876 (ap_isolate >= 0 &&
cae87abd
JM		 3877 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3878 nl80211_put_basic_rates(msg, basic_rates)) {
3879 nlmsg_free(msg);
3880 return -ENOBUFS;
e5693c47
JM		 3881 }
3882
31357268 3883 return send_and_recv_msgs(drv, msg, NULL, NULL);
31357268
JM		 3884}
3885
3886
3c4ca363
VN		 3887static int wpa_driver_nl80211_set_acl(void *priv,
3888 struct hostapd_acl_params *params)
3889{
3890 struct i802_bss *bss = priv;
3891 struct wpa_driver_nl80211_data *drv = bss->drv;
3892 struct nl_msg *msg;
f429ec44 3893 struct nl_msg *acl;
3c4ca363 3894 unsigned int i;
a862e4a3 3895 int ret;
3c4ca363
VN		 3896
3897 if (!(drv->capa.max_acl_mac_addrs))
3898 return -ENOTSUP;
3899
3900 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3901 return -ENOTSUP;
3902
3c4ca363
VN		 3903 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3904 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3905
f429ec44
JM		 3906 acl = nlmsg_alloc();
3907 if (!acl)
3908 return -ENOMEM;
3909 for (i = 0; i < params->num_mac_acl; i++) {
3910 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3911 nlmsg_free(acl);
3912 return -ENOMEM;
3913 }
3914 }
3915
9725b784 3916 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM		 3917 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3918 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3919 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
f429ec44 3920 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
a862e4a3 3921 nlmsg_free(msg);
f429ec44 3922 nlmsg_free(acl);
a862e4a3
JM		 3923 return -ENOMEM;
3924 }
f429ec44 3925 nlmsg_free(acl);
3c4ca363
VN		 3926
3927 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN		 3928 if (ret) {
3929 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3930 ret, strerror(-ret));
3931 }
3932
3c4ca363
VN		 3933 return ret;
3934}
3935
3936
85e1fad8
JM		 3937static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3938{
3939 if (beacon_int > 0) {
3940 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3941 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3942 beacon_int);
3943 }
3944
3945 return 0;
3946}
3947
3948
4ac2ea57
MH		 3949static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3950{
3951 if (dtim_period > 0) {
3952 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3953 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3954 }
3955
3956 return 0;
3957}
3958
3959
052b8d38
MH		 3960#ifdef CONFIG_MESH
3961static int nl80211_set_mesh_config(void *priv,
3962 struct wpa_driver_mesh_bss_params *params)
3963{
3964 struct i802_bss *bss = priv;
3965 struct wpa_driver_nl80211_data *drv = bss->drv;
3966 struct nl_msg *msg;
3967 int ret;
3968
3969 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3970 if (!msg)
3971 return -1;
3972
3973 ret = nl80211_put_mesh_config(msg, params);
3974 if (ret < 0) {
3975 nlmsg_free(msg);
3976 return ret;
3977 }
3978
3979 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3980 if (ret) {
3981 wpa_printf(MSG_ERROR,
3982 "nl80211: Mesh config set failed: %d (%s)",
3983 ret, strerror(-ret));
3984 return ret;
3985 }
3986 return 0;
3987}
3988#endif /* CONFIG_MESH */
3989
3990
d4f3003c
PK		 3991static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags,
3992 struct wpa_driver_ap_params *params)
3993{
3994 struct nlattr *bands, *band;
3995 struct nl80211_txrate_vht vht_rate;
3996
3997 if (!params->freq ||
3998 (params->beacon_rate == 0 &&
3999 params->rate_type == BEACON_RATE_LEGACY))
4000 return 0;
4001
4002 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
4003 if (!bands)
4004 return -1;
4005
4006 switch (params->freq->mode) {
4007 case HOSTAPD_MODE_IEEE80211B:
4008 case HOSTAPD_MODE_IEEE80211G:
4009 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
4010 break;
4011 case HOSTAPD_MODE_IEEE80211A:
4012 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
4013 break;
4014 case HOSTAPD_MODE_IEEE80211AD:
4015 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
4016 break;
4017 default:
4018 return 0;
4019 }
4020
4021 if (!band)
4022 return -1;
4023
4024 os_memset(&vht_rate, 0, sizeof(vht_rate));
4025
4026 switch (params->rate_type) {
4027 case BEACON_RATE_LEGACY:
4028 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
4029 wpa_printf(MSG_INFO,
4030 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
4031 return -1;
4032 }
4033
4034 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
4035 (u8) params->beacon_rate / 5) ||
4036 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
4037 (params->freq->vht_enabled &&
4038 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4039 &vht_rate)))
4040 return -1;
4041
4042 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
4043 params->beacon_rate);
4044 break;
4045 case BEACON_RATE_HT:
4046 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
4047 wpa_printf(MSG_INFO,
4048 "nl80211: Driver does not support setting Beacon frame rate (HT)");
4049 return -1;
4050 }
4051 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
4052 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
4053 (params->freq->vht_enabled &&
4054 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4055 &vht_rate)))
4056 return -1;
4057 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
4058 params->beacon_rate);
4059 break;
4060 case BEACON_RATE_VHT:
4061 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
4062 wpa_printf(MSG_INFO,
4063 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
4064 return -1;
4065 }
4066 vht_rate.mcs[0] = BIT(params->beacon_rate);
4067 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
4068 return -1;
4069 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
4070 return -1;
4071 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4072 &vht_rate))
4073 return -1;
4074 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
4075 params->beacon_rate);
4076 break;
4077 }
4078
4079 nla_nest_end(msg, band);
4080 nla_nest_end(msg, bands);
4081
4082 return 0;
4083}
4084
4085
34f7c699
MB		 4086static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
4087 int multicast_to_unicast)
4088{
4089 struct wpa_driver_nl80211_data *drv = bss->drv;
4090 struct nl_msg *msg;
4091 int ret;
4092
4093 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
4094 if (!msg ||
4095 (multicast_to_unicast &&
4096 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
4097 wpa_printf(MSG_ERROR,
4098 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
4099 bss->ifname);
4100 nlmsg_free(msg);
4101 return -ENOBUFS;
4102 }
4103
4104 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4105
4106 switch (ret) {
4107 case 0:
4108 wpa_printf(MSG_DEBUG,
4109 "nl80211: multicast to unicast %s on interface %s",
4110 multicast_to_unicast ? "enabled" : "disabled",
4111 bss->ifname);
4112 break;
4113 case -EOPNOTSUPP:
4114 if (!multicast_to_unicast)
4115 break;
4116 wpa_printf(MSG_INFO,
4117 "nl80211: multicast to unicast not supported on interface %s",
4118 bss->ifname);
4119 break;
4120 default:
4121 wpa_printf(MSG_ERROR,
4122 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
4123 multicast_to_unicast ? "enabling" : "disabling",
4124 ret, strerror(-ret), bss->ifname);
4125 break;
4126 }
4127
4128 return ret;
4129}
4130
4131
19c3b566
JM		 4132static int wpa_driver_nl80211_set_ap(void *priv,
4133 struct wpa_driver_ap_params *params)
d2440ba0 4134{
a2e40bb6
FF		 4135 struct i802_bss *bss = priv;
4136 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 4137 struct nl_msg *msg;
4138 u8 cmd = NL80211_CMD_NEW_BEACON;
5b82cdbe 4139 int ret = -ENOBUFS;
b4fd6fab 4140 int beacon_set;
b11d1d64 4141 int num_suites;
dd74ddd0 4142 u32 suites[20], suite;
b11d1d64 4143 u32 ver;
052b8d38
MH		 4144#ifdef CONFIG_MESH
4145 struct wpa_driver_mesh_bss_params mesh_params;
4146#endif /* CONFIG_MESH */
b4fd6fab 4147
f33c8606 4148 beacon_set = params->reenable ? 0 : bss->beacon_set;
d2440ba0 4149
d2440ba0 4150 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 4151 beacon_set);
4152 if (beacon_set)
d2440ba0 4153 cmd = NL80211_CMD_SET_BEACON;
89fa633a
DL		 4154 else if (!drv->device_ap_sme && !drv->use_monitor &&
4155 !nl80211_get_wiphy_data_ap(bss))
a70cd0db 4156 return -ENOBUFS;
d2440ba0 4157
b92e08fc
JM		 4158 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
4159 params->head, params->head_len);
b92e08fc
JM		 4160 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
4161 params->tail, params->tail_len);
13f83980 4162 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 4163 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
d4f3003c
PK		 4164 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
4165 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
b92e08fc 4166 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
21cd8f83
JM		 4167 wpa_printf(MSG_DEBUG, "nl80211: ssid=%s",
4168 wpa_ssid_txt(params->ssid, params->ssid_len));
13f83980 4169 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 4170 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
4171 params->head) ||
4172 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
4173 params->tail) ||
85e1fad8 4174 nl80211_put_beacon_int(msg, params->beacon_int) ||
d4f3003c 4175 nl80211_put_beacon_rate(msg, drv->capa.flags, params) ||
4ac2ea57 4176 nl80211_put_dtim_period(msg, params->dtim_period) ||
a862e4a3
JM		 4177 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4178 goto fail;
b92e08fc
JM		 4179 if (params->proberesp && params->proberesp_len) {
4180 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
4181 params->proberesp, params->proberesp_len);
a862e4a3
JM		 4182 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
4183 params->proberesp))
4184 goto fail;
b92e08fc 4185 }
97a7a0b5
JM		 4186 switch (params->hide_ssid) {
4187 case NO_SSID_HIDING:
b92e08fc 4188 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM		 4189 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4190 NL80211_HIDDEN_SSID_NOT_IN_USE))
4191 goto fail;
97a7a0b5
JM		 4192 break;
4193 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 4194 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM		 4195 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4196 NL80211_HIDDEN_SSID_ZERO_LEN))
4197 goto fail;
97a7a0b5
JM		 4198 break;
4199 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 4200 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM		 4201 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4202 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
4203 goto fail;
97a7a0b5
JM		 4204 break;
4205 }
b92e08fc 4206 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM		 4207 if (params->privacy &&
4208 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
4209 goto fail;
b92e08fc 4210 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 4211 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
4212 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
4213 /* Leave out the attribute */
a862e4a3
JM		 4214 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
4215 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4216 NL80211_AUTHTYPE_SHARED_KEY))
4217 goto fail;
4218 } else {
4219 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4220 NL80211_AUTHTYPE_OPEN_SYSTEM))
4221 goto fail;
4222 }
b11d1d64 4223
b92e08fc 4224 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 4225 ver = 0;
4226 if (params->wpa_version & WPA_PROTO_WPA)
4227 ver |= NL80211_WPA_VERSION_1;
4228 if (params->wpa_version & WPA_PROTO_RSN)
4229 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM		 4230 if (ver &&
4231 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4232 goto fail;
b11d1d64 4233
b92e08fc
JM		 4234 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
4235 params->key_mgmt_suites);
dd74ddd0
JM		 4236 num_suites = wpa_key_mgmt_to_suites(params->key_mgmt_suites,
4237 suites, ARRAY_SIZE(suites));
4238 if (num_suites > NL80211_MAX_NR_AKM_SUITES)
4239 wpa_printf(MSG_WARNING,
4240 "nl80211: Not enough room for all AKM suites (num_suites=%d > NL80211_MAX_NR_AKM_SUITES)",
4241 num_suites);
4242 else if (num_suites &&
4243 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
4244 suites))
a862e4a3 4245 goto fail;
b11d1d64 4246
533fe09b 4247 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
e3429c0b
JB		 4248 (!params->pairwise_ciphers ||
4249 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
4250 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
4251 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
a862e4a3 4252 goto fail;
9f12614b 4253
c8931afe
JM		 4254 if (drv->device_ap_sme &&
4255 (params->key_mgmt_suites & WPA_KEY_MGMT_SAE) &&
4256 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
4257 goto fail;
236e793e 4258
b92e08fc
JM		 4259 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
4260 params->pairwise_ciphers);
de4ed4a8
JM		 4261 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
4262 suites, ARRAY_SIZE(suites));
a862e4a3
JM		 4263 if (num_suites &&
4264 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4265 num_suites * sizeof(u32), suites))
4266 goto fail;
b11d1d64 4267
b92e08fc
JM		 4268 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
4269 params->group_cipher);
de4ed4a8 4270 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM		 4271 if (suite &&
4272 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
4273 goto fail;
d2440ba0 4274
fb91db56 4275 if (params->beacon_ies) {
b92e08fc
JM		 4276 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
4277 params->beacon_ies);
a862e4a3
JM		 4278 if (nla_put(msg, NL80211_ATTR_IE,
4279 wpabuf_len(params->beacon_ies),
4280 wpabuf_head(params->beacon_ies)))
4281 goto fail;
fb91db56
JM		 4282 }
4283 if (params->proberesp_ies) {
b92e08fc
JM		 4284 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
4285 params->proberesp_ies);
a862e4a3
JM		 4286 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
4287 wpabuf_len(params->proberesp_ies),
4288 wpabuf_head(params->proberesp_ies)))
4289 goto fail;
fb91db56
JM		 4290 }
4291 if (params->assocresp_ies) {
b92e08fc
JM		 4292 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
4293 params->assocresp_ies);
a862e4a3
JM		 4294 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
4295 wpabuf_len(params->assocresp_ies),
4296 wpabuf_head(params->assocresp_ies)))
4297 goto fail;
fb91db56
JM		 4298 }
4299
a0133ee1 4300 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 4301 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
4302 params->ap_max_inactivity);
a862e4a3
JM		 4303 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
4304 params->ap_max_inactivity))
4305 goto fail;
a0133ee1
VT		 4306 }
4307
abb8d08b
EP		 4308#ifdef CONFIG_P2P
4309 if (params->p2p_go_ctwindow > 0) {
4310 if (drv->p2p_go_ctwindow_supported) {
4311 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
4312 params->p2p_go_ctwindow);
4313 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
4314 params->p2p_go_ctwindow))
4315 goto fail;
4316 } else {
4317 wpa_printf(MSG_INFO,
4318 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
4319 }
4320 }
4321#endif /* CONFIG_P2P */
4322
86b5c400
LD		 4323 if (params->pbss) {
4324 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
4325 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4326 goto fail;
4327 }
4328
5b82cdbe
JB		 4329 if (params->ftm_responder) {
4330 struct nlattr *ftm;
4331
4332 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) {
4333 ret = -ENOTSUP;
4334 goto fail;
4335 }
4336
4337 ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER);
4338 if (!ftm ||
4339 nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) ||
4340 (params->lci &&
4341 nla_put(msg, NL80211_FTM_RESP_ATTR_LCI,
4342 wpabuf_len(params->lci),
4343 wpabuf_head(params->lci))) ||
4344 (params->civic &&
4345 nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC,
4346 wpabuf_len(params->civic),
4347 wpabuf_head(params->civic))))
4348 goto fail;
4349 nla_nest_end(msg, ftm);
4350 }
4351
a84bf443
JC		 4352#ifdef CONFIG_IEEE80211AX
4353 if (params->he_spr) {
4354 struct nlattr *spr;
4355
4356 spr = nla_nest_start(msg, NL80211_ATTR_HE_OBSS_PD);
4357 wpa_printf(MSG_DEBUG, "nl80211: he_spr=%d", params->he_spr);
4358
46cb0465
JM		 4359 if (!spr ||
4360 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
a84bf443
JC		 4361 params->he_spr_srg_obss_pd_min_offset) ||
4362 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
4363 params->he_spr_srg_obss_pd_max_offset))
4364 goto fail;
4365
4366 nla_nest_end(msg, spr);
4367 }
ab8c5535 4368
0b0ee0f1
JC		 4369 if (params->freq && params->freq->he_enabled) {
4370 struct nlattr *bss_color;
4371
4372 bss_color = nla_nest_start(msg, NL80211_ATTR_HE_BSS_COLOR);
4373 if (!bss_color ||
4374 (params->he_bss_color_disabled &&
4375 nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_DISABLED)) ||
4376 (params->he_bss_color_partial &&
4377 nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_PARTIAL)) ||
4378 nla_put_u8(msg, NL80211_HE_BSS_COLOR_ATTR_COLOR,
4379 params->he_bss_color))
4380 goto fail;
4381 nla_nest_end(msg, bss_color);
4382 }
4383
ab8c5535
JC		 4384 if (params->twt_responder) {
4385 wpa_printf(MSG_DEBUG, "nl80211: twt_responder=%d",
4386 params->twt_responder);
4387 if (nla_put_flag(msg, NL80211_ATTR_TWT_RESPONDER))
4388 goto fail;
4389 }
a84bf443
JC		 4390#endif /* CONFIG_IEEE80211AX */
4391
d2440ba0
JM		 4392 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4393 if (ret) {
4394 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
4395 ret, strerror(-ret));
b4fd6fab 4396 } else {
b4fd6fab 4397 bss->beacon_set = 1;
31357268 4398 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 4399 params->short_slot_time, params->ht_opmode,
e5693c47 4400 params->isolate, params->basic_rates);
34f7c699
MB		 4401 nl80211_set_multicast_to_unicast(bss,
4402 params->multicast_to_unicast);
e87ef751
PX		 4403 if (beacon_set && params->freq &&
4404 params->freq->bandwidth != bss->bandwidth) {
4405 wpa_printf(MSG_DEBUG,
4406 "nl80211: Update BSS %s bandwidth: %d -> %d",
4407 bss->ifname, bss->bandwidth,
4408 params->freq->bandwidth);
4409 ret = nl80211_set_channel(bss, params->freq, 1);
4410 if (ret) {
4411 wpa_printf(MSG_DEBUG,
4412 "nl80211: Frequency set failed: %d (%s)",
4413 ret, strerror(-ret));
4414 } else {
4415 wpa_printf(MSG_DEBUG,
4416 "nl80211: Frequency set succeeded for ht2040 coex");
4417 bss->bandwidth = params->freq->bandwidth;
4418 }
f5728d0a 4419 } else if (!beacon_set && params->freq) {
e87ef751
PX		 4420 /*
4421 * cfg80211 updates the driver on frequence change in AP
4422 * mode only at the point when beaconing is started, so
4423 * set the initial value here.
4424 */
4425 bss->bandwidth = params->freq->bandwidth;
4426 }
b4fd6fab 4427 }
052b8d38
MH		 4428
4429#ifdef CONFIG_MESH
4430 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
4431 os_memset(&mesh_params, 0, sizeof(mesh_params));
4432 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
4433 mesh_params.ht_opmode = params->ht_opmode;
4434 ret = nl80211_set_mesh_config(priv, &mesh_params);
4435 if (ret < 0)
4436 return ret;
4437 }
4438#endif /* CONFIG_MESH */
4439
d2440ba0 4440 return ret;
a862e4a3 4441fail:
5883168a 4442 nlmsg_free(msg);
5b82cdbe 4443 return ret;
d2440ba0
JM		 4444}
4445
4446
1c4ffa87 4447static int nl80211_put_freq_params(struct nl_msg *msg,
72b2605f 4448 const struct hostapd_freq_params *freq)
1581b38b 4449{
df4f9599
SE		 4450 enum hostapd_hw_mode hw_mode;
4451 int is_24ghz;
4452 u8 channel;
4453
1fc4ab23 4454 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
a862e4a3
JM		 4455 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4456 return -ENOBUFS;
4457
ad9a1bfe 4458 wpa_printf(MSG_DEBUG, " * he_enabled=%d", freq->he_enabled);
1fc4ab23
JM		 4459 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4460 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4461
df4f9599
SE		 4462 hw_mode = ieee80211_freq_to_chan(freq->freq, &channel);
4463 is_24ghz = hw_mode == HOSTAPD_MODE_IEEE80211G ||
4464 hw_mode == HOSTAPD_MODE_IEEE80211B;
4465
4466 if (freq->vht_enabled || (freq->he_enabled && !is_24ghz)) {
a862e4a3
JM		 4467 enum nl80211_chan_width cw;
4468
1fc4ab23 4469 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
89b800d7
JB		 4470 switch (freq->bandwidth) {
4471 case 20:
a862e4a3 4472 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB		 4473 break;
4474 case 40:
a862e4a3 4475 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB		 4476 break;
4477 case 80:
4478 if (freq->center_freq2)
a862e4a3 4479 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 4480 else
a862e4a3 4481 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB		 4482 break;
4483 case 160:
a862e4a3 4484 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB		 4485 break;
4486 default:
1c4ffa87 4487 return -EINVAL;
89b800d7 4488 }
a862e4a3 4489
1fc4ab23
JM		 4490 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4491 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4492 freq->center_freq1);
4493 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4494 freq->center_freq2);
a862e4a3
JM		 4495 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4496 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4497 freq->center_freq1) ||
4498 (freq->center_freq2 &&
4499 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
4500 freq->center_freq2)))
4501 return -ENOBUFS;
89b800d7 4502 } else if (freq->ht_enabled) {
a862e4a3
JM		 4503 enum nl80211_channel_type ct;
4504
1fc4ab23
JM		 4505 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4506 freq->sec_channel_offset);
89b800d7 4507 switch (freq->sec_channel_offset) {
f019981a 4508 case -1:
a862e4a3 4509 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM		 4510 break;
4511 case 1:
a862e4a3 4512 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM		 4513 break;
4514 default:
a862e4a3 4515 ct = NL80211_CHAN_HT20;
f019981a
JM		 4516 break;
4517 }
a862e4a3 4518
1fc4ab23 4519 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
a862e4a3
JM		 4520 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
4521 return -ENOBUFS;
dda5d9e3
AAL		 4522 } else if (freq->edmg.channels && freq->edmg.bw_config) {
4523 wpa_printf(MSG_DEBUG,
4524 " * EDMG configuration: channels=0x%x bw_config=%d",
4525 freq->edmg.channels, freq->edmg.bw_config);
4526 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
4527 freq->edmg.channels) ||
4528 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
4529 freq->edmg.bw_config))
4530 return -1;
3388e7b9
MH		 4531 } else {
4532 wpa_printf(MSG_DEBUG, " * channel_type=%d",
4533 NL80211_CHAN_NO_HT);
4534 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
4535 NL80211_CHAN_NO_HT))
4536 return -ENOBUFS;
f019981a 4537 }
1c4ffa87 4538 return 0;
1c4ffa87
AO		 4539}
4540
4541
e87ef751
PX		 4542static int nl80211_set_channel(struct i802_bss *bss,
4543 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 4544{
4545 struct wpa_driver_nl80211_data *drv = bss->drv;
4546 struct nl_msg *msg;
4547 int ret;
4548
4549 wpa_printf(MSG_DEBUG,
ad9a1bfe
JC		 4550 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
4551 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
1c4ffa87 4552 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 4553
9725b784
JM		 4554 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
4555 NL80211_CMD_SET_WIPHY);
4556 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM		 4557 nlmsg_free(msg);
4558 return -1;
4559 }
1581b38b 4560
d2440ba0 4561 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 4562 if (ret == 0) {
89b800d7 4563 bss->freq = freq->freq;
1581b38b 4564 return 0;
e4fb2167 4565 }
f019981a 4566 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 4567 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM		 4568 return -1;
4569}
4570
0f4e8b4f 4571
95ab6063
AN		 4572static u32 sta_flags_nl80211(int flags)
4573{
4574 u32 f = 0;
4575
4576 if (flags & WPA_STA_AUTHORIZED)
4577 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
4578 if (flags & WPA_STA_WMM)
4579 f |= BIT(NL80211_STA_FLAG_WME);
4580 if (flags & WPA_STA_SHORT_PREAMBLE)
4581 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
4582 if (flags & WPA_STA_MFP)
4583 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 4584 if (flags & WPA_STA_TDLS_PEER)
4585 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC		 4586 if (flags & WPA_STA_AUTHENTICATED)
4587 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
dc55b6b6
AB		 4588 if (flags & WPA_STA_ASSOCIATED)
4589 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
95ab6063
AN		 4590
4591 return f;
4592}
4593
4594
7c7e7877
BC		 4595#ifdef CONFIG_MESH
4596static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
4597{
4598 switch (state) {
d02e5498 4599 case PLINK_IDLE:
7c7e7877 4600 return NL80211_PLINK_LISTEN;
d02e5498 4601 case PLINK_OPN_SNT:
7c7e7877 4602 return NL80211_PLINK_OPN_SNT;
d02e5498 4603 case PLINK_OPN_RCVD:
7c7e7877
BC		 4604 return NL80211_PLINK_OPN_RCVD;
4605 case PLINK_CNF_RCVD:
4606 return NL80211_PLINK_CNF_RCVD;
4607 case PLINK_ESTAB:
4608 return NL80211_PLINK_ESTAB;
4609 case PLINK_HOLDING:
4610 return NL80211_PLINK_HOLDING;
4611 case PLINK_BLOCKED:
4612 return NL80211_PLINK_BLOCKED;
4613 default:
4614 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
4615 state);
4616 }
4617 return -1;
4618}
4619#endif /* CONFIG_MESH */
4620
4621
62847751 4622static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 4623 struct hostapd_sta_add_params *params)
4624{
a2e40bb6
FF		 4625 struct i802_bss *bss = priv;
4626 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 4627 struct nl_msg *msg;
95ab6063 4628 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 4629 int ret = -ENOBUFS;
4630
45b722f1
AN		 4631 if ((params->flags & WPA_STA_TDLS_PEER) &&
4632 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
4633 return -EOPNOTSUPP;
4634
e4dea253
JM		 4635 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
4636 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM		 4637 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
4638 NL80211_CMD_NEW_STATION);
4639 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 4640 goto fail;
5551bc9c 4641
dc55b6b6
AB		 4642 /*
4643 * Set the below properties only in one of the following cases:
4644 * 1. New station is added, already associated.
4645 * 2. Set WPA_STA_TDLS_PEER station.
4646 * 3. Set an already added unassociated station, if driver supports
4647 * full AP client state. (Set these properties after station became
4648 * associated will be rejected by the driver).
4649 */
4650 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4651 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4652 (params->flags & WPA_STA_ASSOCIATED))) {
5551bc9c
BC		 4653 wpa_hexdump(MSG_DEBUG, " * supported rates",
4654 params->supp_rates, params->supp_rates_len);
a862e4a3
JM		 4655 wpa_printf(MSG_DEBUG, " * capability=0x%x",
4656 params->capability);
4657 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
4658 params->supp_rates_len, params->supp_rates) ||
4659 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
4660 params->capability))
4661 goto fail;
e503861f
JM		 4662
4663 if (params->ht_capabilities) {
4664 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
4665 (u8 *) params->ht_capabilities,
4666 sizeof(*params->ht_capabilities));
a862e4a3
JM		 4667 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
4668 sizeof(*params->ht_capabilities),
4669 params->ht_capabilities))
4670 goto fail;
e503861f
JM		 4671 }
4672
4673 if (params->vht_capabilities) {
4674 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
4675 (u8 *) params->vht_capabilities,
4676 sizeof(*params->vht_capabilities));
a862e4a3
JM		 4677 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
4678 sizeof(*params->vht_capabilities),
4679 params->vht_capabilities))
4680 goto fail;
e503861f
JM		 4681 }
4682
59d9c3a1
JC		 4683 if (params->he_capab) {
4684 wpa_hexdump(MSG_DEBUG, " * he_capab",
4685 params->he_capab, params->he_capab_len);
4686 if (nla_put(msg, NL80211_ATTR_HE_CAPABILITY,
4687 params->he_capab_len, params->he_capab))
4688 goto fail;
4689 }
4690
e503861f
JM		 4691 if (params->ext_capab) {
4692 wpa_hexdump(MSG_DEBUG, " * ext_capab",
4693 params->ext_capab, params->ext_capab_len);
a862e4a3
JM		 4694 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4695 params->ext_capab_len, params->ext_capab))
4696 goto fail;
e503861f 4697 }
ae33239c
AB		 4698
4699 if (is_ap_interface(drv->nlmode) &&
4700 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4701 params->support_p2p_ps ?
4702 NL80211_P2P_PS_SUPPORTED :
4703 NL80211_P2P_PS_UNSUPPORTED))
4704 goto fail;
5551bc9c 4705 }
45b722f1 4706 if (!params->set) {
f11b72c3
JM		 4707 if (params->aid) {
4708 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM		 4709 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4710 goto fail;
f11b72c3
JM		 4711 } else {
4712 /*
4713 * cfg80211 validates that AID is non-zero, so we have
4714 * to make this a non-zero value for the TDLS case where
dc55b6b6
AB		 4715 * a dummy STA entry is used for now and for a station
4716 * that is still not associated.
f11b72c3 4717 */
dc55b6b6
AB		 4718 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4719 (params->flags & WPA_STA_TDLS_PEER) ?
4720 "TDLS" : "UNASSOC_STA");
a862e4a3
JM		 4721 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4722 goto fail;
f11b72c3 4723 }
e4dea253
JM		 4724 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4725 params->listen_interval);
a862e4a3
JM		 4726 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4727 params->listen_interval))
4728 goto fail;
e112764e
JM		 4729 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4730 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM		 4731 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4732 goto fail;
dc55b6b6
AB		 4733 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4734 (params->flags & WPA_STA_ASSOCIATED)) {
4735 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4736 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4737 params->listen_interval);
4738 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4739 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4740 params->listen_interval))
4741 goto fail;
45b722f1 4742 }
05a8d422 4743
8a458116
MK		 4744 if (params->vht_opmode_enabled) {
4745 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM		 4746 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4747 params->vht_opmode))
4748 goto fail;
8a458116
MK		 4749 }
4750
efc64886
SD		 4751 if (params->supp_channels) {
4752 wpa_hexdump(MSG_DEBUG, " * supported channels",
4753 params->supp_channels, params->supp_channels_len);
a862e4a3
JM		 4754 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4755 params->supp_channels_len, params->supp_channels))
4756 goto fail;
efc64886
SD		 4757 }
4758
4759 if (params->supp_oper_classes) {
4760 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4761 params->supp_oper_classes,
4762 params->supp_oper_classes_len);
a862e4a3
JM		 4763 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4764 params->supp_oper_classes_len,
4765 params->supp_oper_classes))
4766 goto fail;
efc64886
SD		 4767 }
4768
95ab6063 4769 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC		 4770 upd.set = sta_flags_nl80211(params->flags);
4771 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
dc55b6b6
AB		 4772
4773 /*
4774 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4775 * flags, as nl80211 driver moves a new station, by default, into
4776 * associated state.
4777 *
4778 * On the other hand, if the driver supports that feature and the
4779 * station is added in unauthenticated state, set the
4780 * authenticated/associated bits in the mask to prevent moving this
4781 * station to associated state before it is actually associated.
4782 *
4783 * This is irrelevant for mesh mode where the station is added to the
4784 * driver as authenticated already, and ASSOCIATED isn't part of the
4785 * nl80211 API.
4786 */
4787 if (!is_mesh_interface(drv->nlmode)) {
4788 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4789 wpa_printf(MSG_DEBUG,
4790 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4791 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4792 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4793 } else if (!params->set &&
4794 !(params->flags & WPA_STA_TDLS_PEER)) {
4795 if (!(params->flags & WPA_STA_AUTHENTICATED))
4796 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4797 if (!(params->flags & WPA_STA_ASSOCIATED))
4798 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4799 }
e347cafe
MH		 4800#ifdef CONFIG_MESH
4801 } else {
4802 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4803 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4804 params->peer_aid);
4805 if (ret)
4806 goto fail;
4807 }
4808#endif /* CONFIG_MESH */
dc55b6b6
AB		 4809 }
4810
e4dea253
JM		 4811 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4812 upd.set, upd.mask);
a862e4a3
JM		 4813 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4814 goto fail;
95ab6063 4815
7c7e7877 4816#ifdef CONFIG_MESH
a862e4a3
JM		 4817 if (params->plink_state &&
4818 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4819 sta_plink_state_nl80211(params->plink_state)))
4820 goto fail;
7c7e7877
BC		 4821#endif /* CONFIG_MESH */
4822
968520da
SD		 4823 if ((!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4824 FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) &&
4825 (params->flags & WPA_STA_WMM)) {
8970bae8
JB		 4826 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4827
e4dea253 4828 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM		 4829 if (!wme ||
4830 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4831 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4832 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4833 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4834 WMM_QOSINFO_STA_SP_MASK))
4835 goto fail;
8970bae8 4836 nla_nest_end(msg, wme);
774bfa62
EP		 4837 }
4838
0f4e8b4f 4839 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4840 msg = NULL;
0f4e8b4f 4841 if (ret)
45b722f1
AN		 4842 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4843 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4844 strerror(-ret));
0f4e8b4f
JM		 4845 if (ret == -EEXIST)
4846 ret = 0;
a862e4a3 4847fail:
5883168a 4848 nlmsg_free(msg);
0f4e8b4f
JM		 4849 return ret;
4850}
4851
4852
97ed9a06
KP		 4853static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4854{
4855#ifdef CONFIG_LIBNL3_ROUTE
4856 struct wpa_driver_nl80211_data *drv = bss->drv;
4857 struct rtnl_neigh *rn;
4858 struct nl_addr *nl_addr;
4859 int err;
4860
4861 rn = rtnl_neigh_alloc();
4862 if (!rn)
4863 return;
4864
4865 rtnl_neigh_set_family(rn, AF_BRIDGE);
4866 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4867 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4868 if (!nl_addr) {
4869 rtnl_neigh_put(rn);
4870 return;
4871 }
4872 rtnl_neigh_set_lladdr(rn, nl_addr);
4873
4874 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4875 if (err < 0) {
4876 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4877 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4878 bss->ifindex, nl_geterror(err));
4879 } else {
4880 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4881 MACSTR, MAC2STR(addr));
4882 }
4883
4884 nl_addr_put(nl_addr);
4885 rtnl_neigh_put(rn);
4886#endif /* CONFIG_LIBNL3_ROUTE */
4887}
4888
4889
59d7148a
JM		 4890static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4891 int deauth, u16 reason_code)
0f4e8b4f 4892{
a2e40bb6 4893 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 4894 struct nl_msg *msg;
4895 int ret;
4896
13f83980 4897 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM		 4898 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4899 (deauth == 0 &&
4900 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4901 WLAN_FC_STYPE_DISASSOC)) ||
4902 (deauth == 1 &&
4903 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4904 WLAN_FC_STYPE_DEAUTH)) ||
4905 (reason_code &&
4906 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4907 nlmsg_free(msg);
4908 return -ENOBUFS;
4909 }
0f4e8b4f
JM		 4910
4911 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 4912 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4913 " --> %d (%s)",
4914 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 4915
4916 if (drv->rtnl_sk)
4917 rtnl_neigh_delete_fdb_entry(bss, addr);
4918
0f4e8b4f
JM		 4919 if (ret == -ENOENT)
4920 return 0;
4921 return ret;
0f4e8b4f
JM		 4922}
4923
1581b38b 4924
f3407c66 4925void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM		 4926{
4927 struct nl_msg *msg;
de884303 4928 struct wpa_driver_nl80211_data *drv2;
0915d02c 4929
c6e8e8e4
JM		 4930 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4931
2135f224 4932 /* stop listening for EAPOL on this interface */
de884303
JM		 4933 dl_list_for_each(drv2, &drv->global->interfaces,
4934 struct wpa_driver_nl80211_data, list)
732b1d20
MB		 4935 {
4936 del_ifidx(drv2, ifidx, IFIDX_ANY);
4937 /* Remove all bridges learned for this iface */
4938 del_ifidx(drv2, IFIDX_ANY, ifidx);
4939 }
2135f224 4940
95376e1a 4941 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 4942 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4943 return;
e748062b 4944 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 4945}
4946
4947
cc9a2575 4948const char * nl80211_iftype_str(enum nl80211_iftype mode)
a1922f93
JM		 4949{
4950 switch (mode) {
4951 case NL80211_IFTYPE_ADHOC:
4952 return "ADHOC";
4953 case NL80211_IFTYPE_STATION:
4954 return "STATION";
4955 case NL80211_IFTYPE_AP:
4956 return "AP";
1045ec36
JM		 4957 case NL80211_IFTYPE_AP_VLAN:
4958 return "AP_VLAN";
4959 case NL80211_IFTYPE_WDS:
4960 return "WDS";
a1922f93
JM		 4961 case NL80211_IFTYPE_MONITOR:
4962 return "MONITOR";
1045ec36
JM		 4963 case NL80211_IFTYPE_MESH_POINT:
4964 return "MESH_POINT";
a1922f93
JM		 4965 case NL80211_IFTYPE_P2P_CLIENT:
4966 return "P2P_CLIENT";
4967 case NL80211_IFTYPE_P2P_GO:
4968 return "P2P_GO";
7aad838c
NS		 4969 case NL80211_IFTYPE_P2P_DEVICE:
4970 return "P2P_DEVICE";
a1922f93
JM		 4971 default:
4972 return "unknown";
4973 }
4974}
4975
4976
a35187e7
KH		 4977static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4978 const char *ifname,
4979 enum nl80211_iftype iftype,
d6dcfcda
DS		 4980 const u8 *addr, int wds,
4981 int (*handler)(struct nl_msg *, void *),
4982 void *arg)
0915d02c 4983{
8970bae8 4984 struct nl_msg *msg;
0915d02c
JM		 4985 int ifidx;
4986 int ret = -ENOBUFS;
4987
a1922f93
JM		 4988 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4989 iftype, nl80211_iftype_str(iftype));
4990
56f77852
JM		 4991 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4992 if (!msg ||
a862e4a3
JM		 4993 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4994 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4995 goto fail;
0915d02c
JM		 4996
4997 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 4998 struct nlattr *flags;
0915d02c 4999
8970bae8 5000 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM		 5001 if (!flags ||
5002 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
5003 goto fail;
0915d02c 5004
8970bae8 5005 nla_nest_end(msg, flags);
fbbfcbac 5006 } else if (wds) {
a862e4a3
JM		 5007 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
5008 goto fail;
0915d02c
JM		 5009 }
5010
52f5877a
IP		 5011 /*
5012 * Tell cfg80211 that the interface belongs to the socket that created
5013 * it, and the interface should be deleted when the socket is closed.
5014 */
a862e4a3
JM		 5015 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5016 goto fail;
52f5877a 5017
d6dcfcda 5018 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 5019 msg = NULL;
0915d02c 5020 if (ret) {
a862e4a3 5021 fail:
5883168a 5022 nlmsg_free(msg);
a35187e7
KH		 5023 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
5024 ifname, ret, strerror(-ret));
0915d02c
JM		 5025 return ret;
5026 }
5027
f632e483 5028 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 5029 return 0;
6bae92e0 5030
0915d02c 5031 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 5032 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
5033 ifname, ifidx);
0915d02c
JM		 5034
5035 if (ifidx <= 0)
5036 return -1;
5037
147848ec
JM		 5038 /*
5039 * Some virtual interfaces need to process EAPOL packets and events on
5040 * the parent interface. This is used mainly with hostapd.
5041 */
5042 if (drv->hostapd ||
5043 iftype == NL80211_IFTYPE_AP_VLAN ||
5044 iftype == NL80211_IFTYPE_WDS ||
5045 iftype == NL80211_IFTYPE_MONITOR) {
5046 /* start listening for EAPOL on this interface */
732b1d20 5047 add_ifidx(drv, ifidx, IFIDX_ANY);
147848ec 5048 }
2135f224 5049
7bfc47c3 5050 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 5051 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 5052 nl80211_remove_iface(drv, ifidx);
5053 return -1;
2135f224 5054 }
2135f224 5055
0915d02c
JM		 5056 return ifidx;
5057}
22a7c9d7
JM		 5058
5059
f3407c66
JM		 5060int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
5061 const char *ifname, enum nl80211_iftype iftype,
5062 const u8 *addr, int wds,
5063 int (*handler)(struct nl_msg *, void *),
5064 void *arg, int use_existing)
a35187e7
KH		 5065{
5066 int ret;
5067
d6dcfcda
DS		 5068 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
5069 arg);
a35187e7 5070
ffbf1eaa 5071 /* if error occurred and interface exists already */
a35187e7 5072 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 5073 if (use_existing) {
5074 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
5075 ifname);
6997f8ba
JM		 5076 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
5077 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5078 addr) < 0 &&
5079 (linux_set_iface_flags(drv->global->ioctl_sock,
5080 ifname, 0) < 0 ||
5081 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5082 addr) < 0 ||
5083 linux_set_iface_flags(drv->global->ioctl_sock,
5084 ifname, 1) < 0))
5085 return -1;
2aec4f3c
JM		 5086 return -ENFILE;
5087 }
a35187e7
KH		 5088 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
5089
5090 /* Try to remove the interface that was already there. */
5091 nl80211_remove_iface(drv, if_nametoindex(ifname));
5092
5093 /* Try to create the interface again */
fbbfcbac 5094 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 5095 wds, handler, arg);
a35187e7
KH		 5096 }
5097
3e208481
JM		 5098 if (ret >= 0 && is_p2p_net_interface(iftype)) {
5099 wpa_printf(MSG_DEBUG,
5100 "nl80211: Interface %s created for P2P - disable 11b rates",
5101 ifname);
4e5cb1a3 5102 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 5103 }
4e5cb1a3 5104
a35187e7
KH		 5105 return ret;
5106}
0915d02c 5107
2135f224 5108
3fd1cefb
JB		 5109static int nl80211_setup_ap(struct i802_bss *bss)
5110{
5111 struct wpa_driver_nl80211_data *drv = bss->drv;
5112
748c0ac0
JM		 5113 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
5114 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 5115
a11241fa
JB		 5116 /*
5117 * Disable Probe Request reporting unless we need it in this way for
5118 * devices that include the AP SME, in the other case (unless using
5119 * monitor iface) we'll get it through the nl_mgmt socket instead.
5120 */
5121 if (!drv->device_ap_sme)
5122 wpa_driver_nl80211_probe_req_report(bss, 0);
5123
5124 if (!drv->device_ap_sme && !drv->use_monitor)
5125 if (nl80211_mgmt_subscribe_ap(bss))
5126 return -1;
5127
a6cc0602
JM		 5128 if (drv->device_ap_sme && !drv->use_monitor)
5129 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
f4830bed
RM		 5130 wpa_printf(MSG_DEBUG,
5131 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
a6cc0602 5132
a11241fa 5133 if (!drv->device_ap_sme && drv->use_monitor &&
ea19b39f
RM		 5134 nl80211_create_monitor_interface(drv) &&
5135 !drv->device_ap_sme)
3fd1cefb
JB		 5136 return -1;
5137
5138 if (drv->device_ap_sme &&
5139 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
5140 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
5141 "Probe Request frame reporting in AP mode");
5142 /* Try to survive without this */
5143 }
5144
5145 return 0;
5146}
5147
5148
5149static void nl80211_teardown_ap(struct i802_bss *bss)
5150{
5151 struct wpa_driver_nl80211_data *drv = bss->drv;
5152
748c0ac0
JM		 5153 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
5154 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 5155 if (drv->device_ap_sme) {
3fd1cefb 5156 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 5157 if (!drv->use_monitor)
5158 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
5159 } else if (drv->use_monitor)
3fd1cefb 5160 nl80211_remove_monitor_interface(drv);
a11241fa 5161 else
36488c05 5162 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 5163
a70cd0db 5164 nl80211_put_wiphy_data_ap(bss);
3fd1cefb
JB		 5165 bss->beacon_set = 0;
5166}
5167
5168
8759e911 5169static int nl80211_tx_control_port(void *priv, const u8 *dest,
a79ed068
MT		 5170 u16 proto, const u8 *buf, size_t len,
5171 int no_encrypt)
8759e911
BJ		 5172{
5173 struct i802_bss *bss = priv;
5174 struct nl_msg *msg;
5175 int ret;
5176
5177 wpa_printf(MSG_DEBUG,
5178 "nl80211: Send over control port dest=" MACSTR
a79ed068
MT		 5179 " proto=0x%04x len=%u no_encrypt=%d",
5180 MAC2STR(dest), proto, (unsigned int) len, no_encrypt);
8759e911
BJ		 5181
5182 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CONTROL_PORT_FRAME);
5183 if (!msg ||
5184 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
5185 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dest) ||
a79ed068
MT		 5186 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
5187 (no_encrypt &&
5188 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) {
8759e911
BJ		 5189 nlmsg_free(msg);
5190 return -ENOBUFS;
5191 }
5192
5193 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5194 if (ret)
5195 wpa_printf(MSG_DEBUG,
5196 "nl80211: tx_control_port failed: ret=%d (%s)",
5197 ret, strerror(ret));
5198
5199 return ret;
5200}
5201
5202
f10bfc9a
JM		 5203static int nl80211_send_eapol_data(struct i802_bss *bss,
5204 const u8 *addr, const u8 *data,
d12dab4c 5205 size_t data_len)
f10bfc9a 5206{
d12dab4c
JB		 5207 struct sockaddr_ll ll;
5208 int ret;
5209
5210 if (bss->drv->eapol_tx_sock < 0) {
5211 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 5212 return -1;
5213 }
5214
d12dab4c
JB		 5215 os_memset(&ll, 0, sizeof(ll));
5216 ll.sll_family = AF_PACKET;
5217 ll.sll_ifindex = bss->ifindex;
5218 ll.sll_protocol = htons(ETH_P_PAE);
5219 ll.sll_halen = ETH_ALEN;
5220 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
5221 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
5222 (struct sockaddr *) &ll, sizeof(ll));
5223 if (ret < 0)
5224 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
5225 strerror(errno));
5226
5227 return ret;
f10bfc9a 5228}
5fb1a232 5229
f10bfc9a 5230
db149ac9
JM		 5231static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
5232
5233static int wpa_driver_nl80211_hapd_send_eapol(
5234 void *priv, const u8 *addr, const u8 *data,
4378fc14 5235 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 5236{
a2e40bb6
FF		 5237 struct i802_bss *bss = priv;
5238 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 5239 struct ieee80211_hdr *hdr;
5240 size_t len;
5241 u8 *pos;
5242 int res;
4378fc14 5243 int qos = flags & WPA_STA_WMM;
db149ac9 5244
781c5a06
MT		 5245 if (drv->capa.flags & WPA_DRIVER_FLAGS_CONTROL_PORT)
5246 return nl80211_tx_control_port(bss, addr, ETH_P_EAPOL,
5247 data, data_len, !encrypt);
5248
a11241fa 5249 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 5250 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 5251
db149ac9
JM		 5252 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
5253 data_len;
5254 hdr = os_zalloc(len);
5255 if (hdr == NULL) {
7ac3616d
JM		 5256 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
5257 (unsigned long) len);
db149ac9
JM		 5258 return -1;
5259 }
5260
5261 hdr->frame_control =
5262 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
5263 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
5264 if (encrypt)
5265 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 5266 if (qos) {
5267 hdr->frame_control |=
5268 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
5269 }
db149ac9
JM		 5270
5271 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
5272 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
5273 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
5274 pos = (u8 *) (hdr + 1);
5275
db149ac9 5276 if (qos) {
92d521d8
FF		 5277 /* Set highest priority in QoS header */
5278 pos[0] = 7;
db149ac9
JM		 5279 pos[1] = 0;
5280 pos += 2;
5281 }
db149ac9
JM		 5282
5283 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
5284 pos += sizeof(rfc1042_header);
5285 WPA_PUT_BE16(pos, ETH_P_PAE);
5286 pos += 2;
5287 memcpy(pos, data, data_len);
5288
14cc3d10 5289 res = nl80211_send_monitor(drv, hdr, len, encrypt, 0);
db149ac9
JM		 5290 if (res < 0) {
5291 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
5292 "failed: %d (%s)",
3ea58a05 5293 (unsigned long) len, res, strerror(res));
db149ac9 5294 }
7bf12757 5295 os_free(hdr);
db149ac9
JM		 5296
5297 return res;
5298}
5299
a8d6ffa4 5300
3234cba4 5301static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
f97e3ce4
JM		 5302 unsigned int total_flags,
5303 unsigned int flags_or,
5304 unsigned int flags_and)
a8d6ffa4 5305{
a2e40bb6 5306 struct i802_bss *bss = priv;
8970bae8
JB		 5307 struct nl_msg *msg;
5308 struct nlattr *flags;
7e76ee9c 5309 struct nl80211_sta_flag_update upd;
a8d6ffa4 5310
0cd9846c
JM		 5311 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
5312 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
5313 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
5314 !!(total_flags & WPA_STA_AUTHORIZED));
5315
13f83980 5316 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5317 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
5318 goto fail;
a8d6ffa4 5319
7e76ee9c
JM		 5320 /*
5321 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
5322 * can be removed eventually.
5323 */
8970bae8 5324 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM		 5325 if (!flags ||
5326 ((total_flags & WPA_STA_AUTHORIZED) &&
5327 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
5328 ((total_flags & WPA_STA_WMM) &&
5329 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
5330 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
5331 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
5332 ((total_flags & WPA_STA_MFP) &&
5333 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
5334 ((total_flags & WPA_STA_TDLS_PEER) &&
5335 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
5336 goto fail;
45b722f1 5337
8970bae8 5338 nla_nest_end(msg, flags);
a8d6ffa4 5339
7e76ee9c
JM		 5340 os_memset(&upd, 0, sizeof(upd));
5341 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
5342 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM		 5343 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
5344 goto fail;
7e76ee9c 5345
13f83980 5346 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 5347fail:
5883168a 5348 nlmsg_free(msg);
a8d6ffa4
JM		 5349 return -ENOBUFS;
5350}
5351
0915d02c 5352
6720b948
THJ		 5353static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr,
5354 unsigned int weight)
5355{
5356 struct i802_bss *bss = priv;
5357 struct nl_msg *msg;
5358
5359 wpa_printf(MSG_DEBUG,
5360 "nl80211: Set STA airtime weight - ifname=%s addr=" MACSTR
5361 " weight=%u", bss->ifname, MAC2STR(addr), weight);
5362
5363 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5364 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5365 nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight))
5366 goto fail;
5367
5368 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5369fail:
5370 nlmsg_free(msg);
5371 return -ENOBUFS;
5372}
5373
5374
1581b38b
JM		 5375static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
5376 struct wpa_driver_associate_params *params)
5377{
708bc8e0 5378 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 5379
5380 if (params->p2p) {
046b26a2
JM		 5381 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
5382 "group (GO)");
b1f625e0
EP		 5383 nlmode = NL80211_IFTYPE_P2P_GO;
5384 } else
5385 nlmode = NL80211_IFTYPE_AP;
5386
708bc8e0 5387 old_mode = drv->nlmode;
834ee56f 5388 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 5389 nl80211_remove_monitor_interface(drv);
5390 return -1;
5391 }
5392
6e9023ea
JM		 5393 if (params->freq.freq &&
5394 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 5395 if (old_mode != nlmode)
834ee56f 5396 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 5397 nl80211_remove_monitor_interface(drv);
1581b38b 5398 return -1;
0915d02c 5399 }
1581b38b 5400
1581b38b
JM		 5401 return 0;
5402}
1581b38b
JM		 5403
5404
666e508c
JM		 5405static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
5406 int reset_mode)
5cc4d64b
JM		 5407{
5408 struct nl_msg *msg;
9725b784 5409 int ret;
a862e4a3 5410
9725b784 5411 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 5412 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM		 5413 if (ret) {
5414 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
5415 "(%s)", ret, strerror(-ret));
9725b784
JM		 5416 } else {
5417 wpa_printf(MSG_DEBUG,
5418 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM		 5419 }
5420
666e508c
JM		 5421 if (reset_mode &&
5422 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 5423 NL80211_IFTYPE_STATION)) {
5424 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5425 "station mode");
5426 }
5427
5cc4d64b
JM		 5428 return ret;
5429}
5430
5431
95ff3069
JD		 5432static int nl80211_ht_vht_overrides(struct nl_msg *msg,
5433 struct wpa_driver_associate_params *params)
5434{
5435 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
5436 return -1;
5437
5438 if (params->htcaps && params->htcaps_mask) {
5439 int sz = sizeof(struct ieee80211_ht_capabilities);
5440 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
5441 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
5442 params->htcaps_mask, sz);
5443 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
5444 params->htcaps) ||
5445 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
5446 params->htcaps_mask))
5447 return -1;
5448 }
5449
5450#ifdef CONFIG_VHT_OVERRIDES
5451 if (params->disable_vht) {
5452 wpa_printf(MSG_DEBUG, " * VHT disabled");
5453 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
5454 return -1;
5455 }
5456
5457 if (params->vhtcaps && params->vhtcaps_mask) {
5458 int sz = sizeof(struct ieee80211_vht_capabilities);
5459 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
5460 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
5461 params->vhtcaps_mask, sz);
5462 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
5463 params->vhtcaps) ||
5464 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
5465 params->vhtcaps_mask))
5466 return -1;
5467 }
5468#endif /* CONFIG_VHT_OVERRIDES */
5469
5470 return 0;
5471}
5472
5473
5cc4d64b
JM		 5474static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
5475 struct wpa_driver_associate_params *params)
5476{
5477 struct nl_msg *msg;
5478 int ret = -1;
5479 int count = 0;
5480
5481 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
5482
4ec68377 5483 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 5484 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5485 "IBSS mode");
5486 return -1;
5487 }
5488
5489retry:
9725b784 5490 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM		 5491 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
5492 goto fail;
5cc4d64b 5493
21cd8f83
JM		 5494 wpa_printf(MSG_DEBUG, " * SSID=%s",
5495 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 5496 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5497 goto fail;
5cc4d64b
JM		 5498 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5499 drv->ssid_len = params->ssid_len;
5500
85e1fad8
JM		 5501 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
5502 nl80211_put_beacon_int(msg, params->beacon_int))
a862e4a3 5503 goto fail;
5cc4d64b
JM		 5504
5505 ret = nl80211_set_conn_keys(params, msg);
5506 if (ret)
a862e4a3 5507 goto fail;
5cc4d64b 5508
913e3cf7
NC		 5509 if (params->bssid && params->fixed_bssid) {
5510 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
5511 MAC2STR(params->bssid));
a862e4a3
JM		 5512 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5513 goto fail;
913e3cf7
NC		 5514 }
5515
4d9e6fba
JD		 5516 if (params->fixed_freq) {
5517 wpa_printf(MSG_DEBUG, " * fixed_freq");
5518 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
5519 goto fail;
5520 }
5521
4848a38d
JM		 5522 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5523 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5524 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5525 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 5526 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM		 5527 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5528 goto fail;
e640888c
AQ		 5529 }
5530
a95795ad
JM		 5531 if (params->wpa_ie) {
5532 wpa_hexdump(MSG_DEBUG,
5533 " * Extra IEs for Beacon/Probe Response frames",
5534 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5535 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
5536 params->wpa_ie))
5537 goto fail;
a95795ad
JM		 5538 }
5539
e15dcf6d
PK		 5540 ret = nl80211_ht_vht_overrides(msg, params);
5541 if (ret < 0)
5542 goto fail;
95ff3069 5543
5cc4d64b
JM		 5544 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5545 msg = NULL;
5546 if (ret) {
5547 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
5548 ret, strerror(-ret));
5549 count++;
5550 if (ret == -EALREADY && count == 1) {
5551 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
5552 "forced leave");
666e508c 5553 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM		 5554 nlmsg_free(msg);
5555 goto retry;
5556 }
a862e4a3
JM		 5557 } else {
5558 wpa_printf(MSG_DEBUG,
5559 "nl80211: Join IBSS request sent successfully");
5cc4d64b 5560 }
5cc4d64b 5561
a862e4a3 5562fail:
5cc4d64b
JM		 5563 nlmsg_free(msg);
5564 return ret;
5565}
5566
5567
ad295f3b
VK		 5568static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
5569 struct wpa_driver_associate_params *params,
5570 struct nl_msg *msg)
5571{
5572 if (params->fils_erp_username_len) {
5573 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username",
5574 params->fils_erp_username,
5575 params->fils_erp_username_len);
5576 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
5577 params->fils_erp_username_len,
5578 params->fils_erp_username))
5579 return -1;
5580 }
5581
5582 if (params->fils_erp_realm_len) {
5583 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm",
5584 params->fils_erp_realm,
5585 params->fils_erp_realm_len);
5586 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
5587 params->fils_erp_realm_len, params->fils_erp_realm))
5588 return -1;
5589 }
5590
5591 wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u",
5592 params->fils_erp_next_seq_num);
5593 if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
5594 params->fils_erp_next_seq_num))
5595 return -1;
5596
5597 if (params->fils_erp_rrk_len) {
5598 wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)",
5599 (unsigned long) params->fils_erp_rrk_len);
5600 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
5601 params->fils_erp_rrk_len, params->fils_erp_rrk))
5602 return -1;
5603 }
5604
5605 return 0;
5606}
5607
5608
a0bdd191
JM		 5609static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
5610 struct wpa_driver_associate_params *params,
5611 struct nl_msg *msg)
cfaab580 5612{
c85dfc6f
JM		 5613 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5614 return -1;
5615
cfaab580
ZY		 5616 if (params->bssid) {
5617 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5618 MAC2STR(params->bssid));
a862e4a3
JM		 5619 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5620 return -1;
cfaab580 5621 }
a0bdd191 5622
7ac7fd43
DS		 5623 if (params->bssid_hint) {
5624 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
5625 MAC2STR(params->bssid_hint));
a862e4a3
JM		 5626 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
5627 params->bssid_hint))
5628 return -1;
7ac7fd43
DS		 5629 }
5630
4ec68377
JD		 5631 if (params->freq.freq) {
5632 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM		 5633 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
5634 params->freq.freq))
5635 return -1;
4ec68377 5636 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 5637 } else
5638 drv->assoc_freq = 0;
a0bdd191 5639
7ac7fd43
DS		 5640 if (params->freq_hint) {
5641 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM		 5642 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
5643 params->freq_hint))
5644 return -1;
7ac7fd43
DS		 5645 }
5646
dda5d9e3
AAL		 5647 if (params->freq.edmg.channels && params->freq.edmg.bw_config) {
5648 wpa_printf(MSG_DEBUG,
5649 " * EDMG configuration: channels=0x%x bw_config=%d",
5650 params->freq.edmg.channels,
5651 params->freq.edmg.bw_config);
5652 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
5653 params->freq.edmg.channels) ||
5654 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
5655 params->freq.edmg.bw_config))
5656 return -1;
5657 }
5658
1f6c0ab8
BS		 5659 if (params->bg_scan_period >= 0) {
5660 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
5661 params->bg_scan_period);
a862e4a3
JM		 5662 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
5663 params->bg_scan_period))
5664 return -1;
1f6c0ab8 5665 }
a0bdd191 5666
cfaab580 5667 if (params->ssid) {
21cd8f83
JM		 5668 wpa_printf(MSG_DEBUG, " * SSID=%s",
5669 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 5670 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
5671 params->ssid))
5672 return -1;
cfaab580 5673 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 5674 return -1;
cfaab580
ZY		 5675 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5676 drv->ssid_len = params->ssid_len;
5677 }
a0bdd191 5678
cfaab580 5679 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5680 if (params->wpa_ie &&
5681 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
5682 return -1;
cfaab580 5683
64fa840a
JM		 5684 if (params->wpa_proto) {
5685 enum nl80211_wpa_versions ver = 0;
cfaab580 5686
64fa840a
JM		 5687 if (params->wpa_proto & WPA_PROTO_WPA)
5688 ver |= NL80211_WPA_VERSION_1;
5689 if (params->wpa_proto & WPA_PROTO_RSN)
5690 ver |= NL80211_WPA_VERSION_2;
cfaab580 5691
64fa840a 5692 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM		 5693 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5694 return -1;
cfaab580
ZY		 5695 }
5696
4848a38d 5697 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5698 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
5699 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM		 5700 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5701 cipher))
5702 return -1;
cfaab580
ZY		 5703 }
5704
ae6f9272
JM		 5705 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
5706 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
5707 /*
5708 * This is likely to work even though many drivers do not
5709 * advertise support for operations without GTK.
5710 */
5711 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
5712 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5713 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
5714 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM		 5715 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
5716 return -1;
cfaab580
ZY		 5717 }
5718
4848a38d
JM		 5719 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5720 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5721 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
5722 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 5723 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 5724 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
5725 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8 5726 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
005585d6
AB		 5727 params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5728 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE ||
5e3b5197 5729 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
ad295f3b 5730 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
005585d6 5731 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
ad295f3b
VK		 5732 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
5733 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
5734 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
e005725a
SD		 5735 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 ||
5736 params->key_mgmt_suite == WPA_KEY_MGMT_OWE ||
5737 params->key_mgmt_suite == WPA_KEY_MGMT_DPP) {
3aa24db9 5738 int mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5739
5740 switch (params->key_mgmt_suite) {
4848a38d 5741 case WPA_KEY_MGMT_CCKM:
3aa24db9 5742 mgmt = RSN_AUTH_KEY_MGMT_CCKM;
369c8d7b 5743 break;
4848a38d 5744 case WPA_KEY_MGMT_IEEE8021X:
3aa24db9 5745 mgmt = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
cfaab580 5746 break;
4848a38d 5747 case WPA_KEY_MGMT_FT_IEEE8021X:
3aa24db9 5748 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X;
6a1ce395 5749 break;
4848a38d 5750 case WPA_KEY_MGMT_FT_PSK:
3aa24db9 5751 mgmt = RSN_AUTH_KEY_MGMT_FT_PSK;
6a1ce395 5752 break;
8802326f 5753 case WPA_KEY_MGMT_IEEE8021X_SHA256:
3aa24db9 5754 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
8802326f
JJ		 5755 break;
5756 case WPA_KEY_MGMT_PSK_SHA256:
3aa24db9 5757 mgmt = RSN_AUTH_KEY_MGMT_PSK_SHA256;
8802326f 5758 break;
163f801e 5759 case WPA_KEY_MGMT_OSEN:
3aa24db9 5760 mgmt = RSN_AUTH_KEY_MGMT_OSEN;
163f801e 5761 break;
005585d6
AB		 5762 case WPA_KEY_MGMT_SAE:
5763 mgmt = RSN_AUTH_KEY_MGMT_SAE;
5764 break;
5765 case WPA_KEY_MGMT_FT_SAE:
5766 mgmt = RSN_AUTH_KEY_MGMT_FT_SAE;
5767 break;
666497c8 5768 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
3aa24db9 5769 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
666497c8 5770 break;
5e3b5197 5771 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
3aa24db9 5772 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
5e3b5197 5773 break;
005585d6
AB		 5774 case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
5775 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
5776 break;
ad295f3b
VK		 5777 case WPA_KEY_MGMT_FILS_SHA256:
5778 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA256;
5779 break;
5780 case WPA_KEY_MGMT_FILS_SHA384:
5781 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA384;
5782 break;
5783 case WPA_KEY_MGMT_FT_FILS_SHA256:
5784 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
5785 break;
5786 case WPA_KEY_MGMT_FT_FILS_SHA384:
5787 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
5788 break;
e005725a
SD		 5789 case WPA_KEY_MGMT_OWE:
5790 mgmt = RSN_AUTH_KEY_MGMT_OWE;
5791 break;
5792 case WPA_KEY_MGMT_DPP:
5793 mgmt = RSN_AUTH_KEY_MGMT_DPP;
5794 break;
4848a38d 5795 case WPA_KEY_MGMT_PSK:
cfaab580 5796 default:
3aa24db9 5797 mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5798 break;
5799 }
163f801e 5800 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM		 5801 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
5802 return -1;
cfaab580
ZY		 5803 }
5804
cb28bd52 5805 if (params->req_handshake_offload &&
d896874f
AS		 5806 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) {
5807 wpa_printf(MSG_DEBUG, " * WANT_1X_4WAY_HS");
5808 if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS))
5809 return -1;
5810 }
5811
730c5a1d
EP		 5812 /* Add PSK in case of 4-way handshake offload */
5813 if (params->psk &&
436ee2fd 5814 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) {
730c5a1d
EP		 5815 wpa_hexdump_key(MSG_DEBUG, " * PSK", params->psk, 32);
5816 if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk))
5817 return -1;
5818 }
5819
a862e4a3
JM		 5820 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5821 return -1;
a0bdd191 5822
e3429c0b
JB		 5823 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5824 (params->pairwise_suite == WPA_CIPHER_NONE ||
5825 params->pairwise_suite == WPA_CIPHER_WEP104 ||
5826 params->pairwise_suite == WPA_CIPHER_WEP40) &&
5827 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
5828 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
5829 return -1;
5830
58162adf
AK		 5831 if (params->rrm_used) {
5832 u32 drv_rrm_flags = drv->capa.rrm_flags;
b5d172e5
BL		 5833 if ((!((drv_rrm_flags &
5834 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
5835 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
5836 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
a862e4a3
JM		 5837 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
5838 return -1;
58162adf
AK		 5839 }
5840
95ff3069 5841 if (nl80211_ht_vht_overrides(msg, params) < 0)
a862e4a3 5842 return -1;
80e8a5ee 5843
a0bdd191
JM		 5844 if (params->p2p)
5845 wpa_printf(MSG_DEBUG, " * P2P group");
5846
86b5c400
LD		 5847 if (params->pbss) {
5848 wpa_printf(MSG_DEBUG, " * PBSS");
5849 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5850 return -1;
5851 }
5852
1126c078 5853 drv->connect_reassoc = 0;
00c3c4ac
JM		 5854 if (params->prev_bssid) {
5855 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
5856 MAC2STR(params->prev_bssid));
5857 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
5858 params->prev_bssid))
5859 return -1;
1126c078 5860 drv->connect_reassoc = 1;
00c3c4ac
JM		 5861 }
5862
ad295f3b
VK		 5863 if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
5864 nl80211_put_fils_connect_params(drv, params, msg) != 0)
5865 return -1;
5866
1317ea2c
SD		 5867 if ((params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5868 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) &&
ba71cb82
SD		 5869 (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) &&
5870 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
5871 return -1;
5872
a0bdd191 5873 return 0;
a0bdd191
JM		 5874}
5875
5876
5877static int wpa_driver_nl80211_try_connect(
5878 struct wpa_driver_nl80211_data *drv,
40a68f33 5879 struct wpa_driver_associate_params *params,
25ebd538 5880 struct nl_sock *nl_connect)
a0bdd191
JM		 5881{
5882 struct nl_msg *msg;
5883 enum nl80211_auth_type type;
5884 int ret;
5885 int algs;
5886
b658547d 5887#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 5888 if (params->req_key_mgmt_offload && params->psk &&
5889 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5890 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5891 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5892 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5893 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5894 if (ret)
5895 return ret;
5896 }
b658547d 5897#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 5898
9725b784
JM		 5899 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5900 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM		 5901 if (!msg)
5902 return -1;
5903
a0bdd191
JM		 5904 ret = nl80211_connect_common(drv, params, msg);
5905 if (ret)
a862e4a3 5906 goto fail;
a0bdd191 5907
299d21e8
EG		 5908 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5909 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5910 goto fail;
5911
5912 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL &&
5913 (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) &&
5914 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL))
5915 goto fail;
5916
a0bdd191
JM		 5917 algs = 0;
5918 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5919 algs++;
5920 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5921 algs++;
5922 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5923 algs++;
64a0a75b
JM		 5924 if (params->auth_alg & WPA_AUTH_ALG_FILS)
5925 algs++;
86c998d3
AM		 5926 if (params->auth_alg & WPA_AUTH_ALG_FT)
5927 algs++;
a0bdd191
JM		 5928 if (algs > 1) {
5929 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5930 "selection");
5931 goto skip_auth_type;
5932 }
5933
3c67e977 5934 type = get_nl_auth_type(params->auth_alg);
a0bdd191 5935 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 5936 if (type == NL80211_AUTHTYPE_MAX ||
5937 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 5938 goto fail;
a0bdd191
JM		 5939
5940skip_auth_type:
cfaab580
ZY		 5941 ret = nl80211_set_conn_keys(params, msg);
5942 if (ret)
a862e4a3 5943 goto fail;
cfaab580 5944
40a68f33 5945 if (nl_connect)
0fa33e05
JM		 5946 ret = send_and_recv(drv->global, nl_connect, msg,
5947 NULL, (void *) -1);
40a68f33 5948 else
0fa33e05 5949 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
40a68f33 5950
cfaab580
ZY		 5951 msg = NULL;
5952 if (ret) {
5953 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5954 "(%s)", ret, strerror(-ret));
a862e4a3
JM		 5955 } else {
5956 wpa_printf(MSG_DEBUG,
5957 "nl80211: Connect request send successfully");
cfaab580 5958 }
cfaab580 5959
a862e4a3 5960fail:
0fa33e05 5961 nl80211_nlmsg_clear(msg);
cfaab580
ZY		 5962 nlmsg_free(msg);
5963 return ret;
5964
5965}
5966
5967
a8c5b43a
CW		 5968static int wpa_driver_nl80211_connect(
5969 struct wpa_driver_nl80211_data *drv,
40a68f33 5970 struct wpa_driver_associate_params *params,
25ebd538 5971 struct nl_sock *nl_connect)
a8c5b43a 5972{
0d4e3d1d
JJ		 5973 int ret;
5974
5975 /* Store the connection attempted bssid for future use */
5976 if (params->bssid)
5977 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5978 else
5979 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5980
40a68f33 5981 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW		 5982 if (ret == -EALREADY) {
5983 /*
5984 * cfg80211 does not currently accept new connections if
5985 * we are already connected. As a workaround, force
5986 * disconnection and try again.
5987 */
5988 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5989 "disconnecting before reassociation "
5990 "attempt");
5991 if (wpa_driver_nl80211_disconnect(
10d32e2c 5992 drv, WLAN_REASON_PREV_AUTH_NOT_VALID, nl_connect))
a8c5b43a 5993 return -1;
40a68f33 5994 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW		 5995 }
5996 return ret;
5997}
5998
5999
c2a04078
JM		 6000static int wpa_driver_nl80211_associate(
6001 void *priv, struct wpa_driver_associate_params *params)
6002{
a2e40bb6
FF		 6003 struct i802_bss *bss = priv;
6004 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 6005 int ret = -1;
c2a04078
JM		 6006 struct nl_msg *msg;
6007
4bd71954
JM		 6008 nl80211_unmask_11b_rates(bss);
6009
5cc4d64b 6010 if (params->mode == IEEE80211_MODE_AP)
1581b38b 6011 return wpa_driver_nl80211_ap(drv, params);
1581b38b 6012
5cc4d64b
JM		 6013 if (params->mode == IEEE80211_MODE_IBSS)
6014 return wpa_driver_nl80211_ibss(drv, params);
6015
4a867032 6016 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 6017 enum nl80211_iftype nlmode = params->p2p ?
6018 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
25ebd538 6019 struct nl_sock *nl_connect = NULL;
b1f625e0
EP		 6020
6021 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 6022 return -1;
1317ea2c
SD		 6023 if (params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
6024 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) {
40a68f33 6025 nl_connect = bss->nl_connect;
10d32e2c
CI		 6026 bss->use_nl_connect = 1;
6027 } else {
6028 bss->use_nl_connect = 0;
6029 }
6030
40a68f33 6031 return wpa_driver_nl80211_connect(drv, params, nl_connect);
4a867032 6032 }
cfaab580 6033
add9b7a4 6034 nl80211_mark_disconnected(drv);
c2a04078 6035
c2a04078
JM		 6036 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
6037 drv->ifindex);
9725b784
JM		 6038 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
6039 if (!msg)
6040 return -1;
c2a04078 6041
a0bdd191
JM		 6042 ret = nl80211_connect_common(drv, params, msg);
6043 if (ret)
a862e4a3 6044 goto fail;
01652550 6045
299d21e8
EG		 6046 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
6047 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
6048 goto fail;
6049
40a45727
JM		 6050 if (params->fils_kek) {
6051 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
6052 (unsigned int) params->fils_kek_len);
6053 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
6054 params->fils_kek))
6055 goto fail;
6056 }
6057 if (params->fils_nonces) {
6058 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
6059 params->fils_nonces,
6060 params->fils_nonces_len);
6061 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
6062 params->fils_nonces_len, params->fils_nonces))
6063 goto fail;
6064 }
6065
c2a04078
JM		 6066 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6067 msg = NULL;
6068 if (ret) {
3b7ea880
BG		 6069 wpa_dbg(drv->ctx, MSG_DEBUG,
6070 "nl80211: MLME command failed (assoc): ret=%d (%s)",
6071 ret, strerror(-ret));
8856462d 6072 nl80211_dump_scan(drv);
a862e4a3
JM		 6073 } else {
6074 wpa_printf(MSG_DEBUG,
6075 "nl80211: Association request send successfully");
c2a04078 6076 }
c2a04078 6077
a862e4a3 6078fail:
c2a04078
JM		 6079 nlmsg_free(msg);
6080 return ret;
6081}
3f5285e8
JM		 6082
6083
ad1e68e6 6084static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 6085 int ifindex, enum nl80211_iftype mode)
3f5285e8 6086{
3f5285e8 6087 struct nl_msg *msg;
ad1e68e6
JM		 6088 int ret = -ENOBUFS;
6089
a1922f93
JM		 6090 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
6091 ifindex, mode, nl80211_iftype_str(mode));
6092
56f77852
JM		 6093 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
6094 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 6095 goto fail;
ad1e68e6
JM		 6096
6097 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6098 msg = NULL;
ad1e68e6
JM		 6099 if (!ret)
6100 return 0;
a862e4a3 6101fail:
5883168a 6102 nlmsg_free(msg);
ad1e68e6
JM		 6103 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
6104 " %d (%s)", ifindex, mode, ret, strerror(-ret));
6105 return ret;
6106}
6107
6108
3c5d34e3
CW		 6109static int wpa_driver_nl80211_set_mode_impl(
6110 struct i802_bss *bss,
6111 enum nl80211_iftype nlmode,
6112 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 6113{
a2e40bb6 6114 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 6115 int ret = -1;
26af9dca 6116 int i;
86957e62 6117 int was_ap = is_ap_interface(drv->nlmode);
671a5039 6118 int res;
ebffdbc4 6119 int mode_switch_res;
1581b38b 6120
a5a187b0
JM		 6121 if (TEST_FAIL())
6122 return -1;
6123
ebffdbc4
CW		 6124 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6125 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
6126 mode_switch_res = 0;
8e12685c 6127
ebffdbc4 6128 if (mode_switch_res == 0) {
ad1e68e6 6129 drv->nlmode = nlmode;
460456f8
JM		 6130 ret = 0;
6131 goto done;
ad1e68e6 6132 }
3f5285e8 6133
ebffdbc4 6134 if (mode_switch_res == -ENODEV)
671a5039
JM		 6135 return -1;
6136
460456f8 6137 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 6138 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
6139 "requested mode - ignore error");
460456f8
JM		 6140 ret = 0;
6141 goto done; /* Already in the requested mode */
6142 }
3f5285e8 6143
3f5285e8
JM		 6144 /* mac80211 doesn't allow mode changes while the device is up, so
6145 * take the device down, try to set the mode again, and bring the
6146 * device back up.
6147 */
26af9dca
JM		 6148 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
6149 "interface down");
6150 for (i = 0; i < 10; i++) {
91724d6f 6151 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 6152 if (res == -EACCES || res == -ENODEV)
6153 break;
ebffdbc4 6154 if (res != 0) {
26af9dca
JM		 6155 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
6156 "interface down");
ebffdbc4
CW		 6157 os_sleep(0, 100000);
6158 continue;
6159 }
3c5d34e3
CW		 6160
6161 /*
6162 * Setting the mode will fail for some drivers if the phy is
6163 * on a frequency that the mode is disallowed in.
6164 */
6165 if (desired_freq_params) {
bdf5ccb2 6166 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW		 6167 if (res) {
6168 wpa_printf(MSG_DEBUG,
6169 "nl80211: Failed to set frequency on interface");
6170 }
6171 }
6172
ebffdbc4
CW		 6173 /* Try to set the mode again while the interface is down */
6174 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6175 if (mode_switch_res == -EBUSY) {
6176 wpa_printf(MSG_DEBUG,
6177 "nl80211: Delaying mode set while interface going down");
6178 os_sleep(0, 100000);
6179 continue;
6180 }
6181 ret = mode_switch_res;
6182 break;
3f5285e8
JM		 6183 }
6184
c6e8e8e4
JM		 6185 if (!ret) {
6186 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
6187 "interface is down");
ad1e68e6 6188 drv->nlmode = nlmode;
7d9c3698 6189 drv->ignore_if_down_event = 1;
c6e8e8e4 6190 }
ad1e68e6 6191
ebffdbc4
CW		 6192 /* Bring the interface back up */
6193 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
6194 if (res != 0) {
6195 wpa_printf(MSG_DEBUG,
6196 "nl80211: Failed to set interface up after switching mode");
6197 ret = -1;
6198 }
6199
460456f8 6200done:
3fd1cefb
JB		 6201 if (ret) {
6202 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
6203 "from %d failed", nlmode, drv->nlmode);
6204 return ret;
6205 }
6206
3e208481
JM		 6207 if (is_p2p_net_interface(nlmode)) {
6208 wpa_printf(MSG_DEBUG,
6209 "nl80211: Interface %s mode change to P2P - disable 11b rates",
6210 bss->ifname);
edb9bfba 6211 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM		 6212 } else if (drv->disabled_11b_rates) {
6213 wpa_printf(MSG_DEBUG,
6214 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
6215 bss->ifname);
1d0c6fb1 6216 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 6217 }
edb9bfba 6218
3fd1cefb 6219 if (is_ap_interface(nlmode)) {
36488c05 6220 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 6221 /* Setup additional AP mode functionality if needed */
3fd1cefb 6222 if (nl80211_setup_ap(bss))
460456f8 6223 return -1;
3fd1cefb 6224 } else if (was_ap) {
460456f8 6225 /* Remove additional AP mode functionality */
3fd1cefb 6226 nl80211_teardown_ap(bss);
a11241fa 6227 } else {
36488c05 6228 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 6229 }
460456f8 6230
afb0550a
BC		 6231 if (is_mesh_interface(nlmode) &&
6232 nl80211_mgmt_subscribe_mesh(bss))
6233 return -1;
6234
873d0fcf 6235 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 6236 !is_mesh_interface(nlmode) &&
a11241fa
JB		 6237 nl80211_mgmt_subscribe_non_ap(bss) < 0)
6238 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
6239 "frame processing - ignore for now");
08359050 6240
3fd1cefb 6241 return 0;
3f5285e8
JM		 6242}
6243
6244
f3407c66
JM		 6245int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
6246 enum nl80211_iftype nlmode)
3c5d34e3
CW		 6247{
6248 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
6249}
6250
6251
4ec68377
JD		 6252static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
6253 struct hostapd_freq_params *freq)
3c5d34e3 6254{
3c5d34e3 6255 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 6256 freq);
3c5d34e3 6257}
65d645ce
AS		 6258
6259
3f5285e8
JM		 6260static int wpa_driver_nl80211_get_capa(void *priv,
6261 struct wpa_driver_capa *capa)
6262{
a2e40bb6
FF		 6263 struct i802_bss *bss = priv;
6264 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 6265
3f5285e8
JM		 6266 if (!drv->has_capability)
6267 return -1;
6268 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 6269 if (drv->extended_capa && drv->extended_capa_mask) {
6270 capa->extended_capa = drv->extended_capa;
6271 capa->extended_capa_mask = drv->extended_capa_mask;
6272 capa->extended_capa_len = drv->extended_capa_len;
6273 }
851b0c55 6274
906bc4c7 6275 return 0;
3f5285e8
JM		 6276}
6277
6278
6279static int wpa_driver_nl80211_set_operstate(void *priv, int state)
6280{
a2e40bb6
FF		 6281 struct i802_bss *bss = priv;
6282 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 6283
90a545cc
JM		 6284 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
6285 bss->ifname, drv->operstate, state,
6286 state ? "UP" : "DORMANT");
3f5285e8 6287 drv->operstate = state;
36d84860 6288 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 6289 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 6290}
6291
01652550
JM		 6292
6293static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
6294{
a2e40bb6
FF		 6295 struct i802_bss *bss = priv;
6296 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 6297 struct nl_msg *msg;
6298 struct nl80211_sta_flag_update upd;
a862e4a3 6299 int ret;
2eef5177
JM		 6300
6301 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
6302 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
6303 return 0;
6304 }
01652550 6305
1ba51ec0
JM		 6306 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
6307 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
6308
01652550
JM		 6309 os_memset(&upd, 0, sizeof(upd));
6310 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
6311 if (authorized)
6312 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 6313
13f83980 6314 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 6315 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
6316 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
6317 nlmsg_free(msg);
6318 return -ENOBUFS;
6319 }
01652550 6320
2eef5177 6321 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM		 6322 if (!ret)
6323 return 0;
2eef5177
JM		 6324 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
6325 ret, strerror(-ret));
6326 return ret;
01652550
JM		 6327}
6328
3f5285e8 6329
f07ead6a
JM		 6330/* Set kernel driver on given frequency (MHz) */
6331static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 6332{
f07ead6a 6333 struct i802_bss *bss = priv;
13a524a3 6334 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 6335}
6336
f7b3920c 6337
c5121837
JM		 6338static inline int min_int(int a, int b)
6339{
6340 if (a < b)
6341 return a;
6342 return b;
6343}
6344
6345
6346static int get_key_handler(struct nl_msg *msg, void *arg)
6347{
6348 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6349 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6350
6351 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6352 genlmsg_attrlen(gnlh, 0), NULL);
6353
6354 /*
6355 * TODO: validate the key index and mac address!
6356 * Otherwise, there's a race condition as soon as
6357 * the kernel starts sending key notifications.
6358 */
6359
6360 if (tb[NL80211_ATTR_KEY_SEQ])
6361 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
6362 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
4efade31 6363 nl80211_nlmsg_clear(msg);
c5121837
JM		 6364 return NL_SKIP;
6365}
6366
6367
6368static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
6369 int idx, u8 *seq)
6370{
a2e40bb6
FF		 6371 struct i802_bss *bss = priv;
6372 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6373 struct nl_msg *msg;
6374
95376e1a
JM		 6375 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
6376 NL80211_CMD_GET_KEY);
6377 if (!msg ||
a862e4a3 6378 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 6379 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM		 6380 nlmsg_free(msg);
6381 return -ENOBUFS;
6382 }
c5121837
JM		 6383
6384 memset(seq, 0, 6);
6385
6386 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM		 6387}
6388
6389
c5121837
JM		 6390static int i802_set_rts(void *priv, int rts)
6391{
a2e40bb6
FF		 6392 struct i802_bss *bss = priv;
6393 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6394 struct nl_msg *msg;
a862e4a3 6395 int ret;
ad649451 6396 u32 val;
c5121837 6397
bf0021ed 6398 if (rts >= 2347 || rts == -1)
ad649451
JM		 6399 val = (u32) -1;
6400 else
6401 val = rts;
c5121837 6402
9725b784 6403 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 6404 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
6405 nlmsg_free(msg);
6406 return -ENOBUFS;
6407 }
ad649451
JM		 6408
6409 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6410 if (!ret)
6411 return 0;
ad649451
JM		 6412 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
6413 "%d (%s)", rts, ret, strerror(-ret));
6414 return ret;
c5121837
JM		 6415}
6416
6417
6418static int i802_set_frag(void *priv, int frag)
6419{
a2e40bb6
FF		 6420 struct i802_bss *bss = priv;
6421 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6422 struct nl_msg *msg;
a862e4a3 6423 int ret;
ad649451 6424 u32 val;
c5121837 6425
bf0021ed 6426 if (frag >= 2346 || frag == -1)
ad649451
JM		 6427 val = (u32) -1;
6428 else
6429 val = frag;
c5121837 6430
9725b784 6431 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 6432 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
6433 nlmsg_free(msg);
6434 return -ENOBUFS;
6435 }
ad649451
JM		 6436
6437 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6438 if (!ret)
6439 return 0;
ad649451
JM		 6440 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
6441 "%d: %d (%s)", frag, ret, strerror(-ret));
6442 return ret;
c5121837
JM		 6443}
6444
6445
c5121837
JM		 6446static int i802_flush(void *priv)
6447{
a2e40bb6 6448 struct i802_bss *bss = priv;
c5121837 6449 struct nl_msg *msg;
82554b10 6450 int res;
c5121837 6451
83e7bb0e
JM		 6452 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
6453 bss->ifname);
c5121837
JM		 6454
6455 /*
6456 * XXX: FIX! this needs to flush all VLANs too
6457 */
13f83980
JM		 6458 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
6459 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM		 6460 if (res) {
6461 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
6462 "(%s)", res, strerror(-res));
6463 }
6464 return res;
c5121837
JM		 6465}
6466
6467
1d6f6385
THJ		 6468static void get_sta_tid_stats(struct hostap_sta_driver_data *data,
6469 struct nlattr *attr)
6470{
6471 struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr;
6472 struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1];
6473 static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = {
6474 [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 },
6475 [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 },
6476 };
6477 int rem;
6478
6479 nla_for_each_nested(tidattr, attr, rem) {
6480 if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX,
6481 tidattr, NULL) != 0 ||
6482 !tid_stats[NL80211_TID_STATS_TXQ_STATS] ||
6483 nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX,
6484 tid_stats[NL80211_TID_STATS_TXQ_STATS],
6485 txq_stats_policy) != 0)
6486 continue;
6487 /* sum the backlogs over all TIDs for station */
6488 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES])
6489 data->backlog_bytes += nla_get_u32(
6490 txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]);
6491 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS])
6492 data->backlog_bytes += nla_get_u32(
6493 txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]);
6494 }
6495}
6496
6497
c5121837
JM		 6498static int get_sta_handler(struct nl_msg *msg, void *arg)
6499{
6500 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6501 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6502 struct hostap_sta_driver_data *data = arg;
6503 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
6504 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
6505 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
6506 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
6507 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
6508 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
6509 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 6510 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
43022abd
NL		 6511 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
6512 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
3567641e 6513 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
72123a84 6514 [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 },
58d4c236
THJ		 6515 [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
6516 [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 },
3567641e 6517 };
6518 struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
6519 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
6520 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
6521 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
6522 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
6523 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
6524 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
6525 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
c5121837
JM		 6526 };
6527
6528 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6529 genlmsg_attrlen(gnlh, 0), NULL);
6530
6531 /*
6532 * TODO: validate the interface and mac address!
6533 * Otherwise, there's a race condition as soon as
6534 * the kernel starts sending station notifications.
6535 */
6536
6537 if (!tb[NL80211_ATTR_STA_INFO]) {
6538 wpa_printf(MSG_DEBUG, "sta stats missing!");
6539 return NL_SKIP;
6540 }
6541 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
6542 tb[NL80211_ATTR_STA_INFO],
6543 stats_policy)) {
6544 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
6545 return NL_SKIP;
6546 }
6547
6548 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
6549 data->inactive_msec =
6550 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
43022abd 6551 /* For backwards compatibility, fetch the 32-bit counters first. */
c5121837
JM		 6552 if (stats[NL80211_STA_INFO_RX_BYTES])
6553 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
6554 if (stats[NL80211_STA_INFO_TX_BYTES])
6555 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
43022abd
NL		 6556 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
6557 stats[NL80211_STA_INFO_TX_BYTES64]) {
6558 /*
6559 * The driver supports 64-bit counters, so use them to override
6560 * the 32-bit values.
6561 */
6562 data->rx_bytes =
6563 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
6564 data->tx_bytes =
6565 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
6566 data->bytes_64bit = 1;
6567 }
c5121837
JM		 6568 if (stats[NL80211_STA_INFO_RX_PACKETS])
6569 data->rx_packets =
6570 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
6571 if (stats[NL80211_STA_INFO_TX_PACKETS])
6572 data->tx_packets =
6573 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
58d4c236
THJ		 6574 if (stats[NL80211_STA_INFO_RX_DURATION])
6575 data->rx_airtime =
6576 nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]);
6577 if (stats[NL80211_STA_INFO_TX_DURATION])
6578 data->tx_airtime =
6579 nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]);
dc7785f8
YZ		 6580 if (stats[NL80211_STA_INFO_TX_FAILED])
6581 data->tx_retry_failed =
6582 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
3567641e 6583 if (stats[NL80211_STA_INFO_SIGNAL])
6584 data->signal = nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
72123a84
BP		 6585 if (stats[NL80211_STA_INFO_ACK_SIGNAL]) {
6586 data->last_ack_rssi =
6587 nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]);
6588 data->flags |= STA_DRV_DATA_LAST_ACK_RSSI;
6589 }
3567641e 6590
6591 if (stats[NL80211_STA_INFO_TX_BITRATE] &&
6592 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6593 stats[NL80211_STA_INFO_TX_BITRATE],
6594 rate_policy) == 0) {
6595 if (rate[NL80211_RATE_INFO_BITRATE32])
6596 data->current_tx_rate =
6597 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6598 else if (rate[NL80211_RATE_INFO_BITRATE])
6599 data->current_tx_rate =
6600 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6601
6602 if (rate[NL80211_RATE_INFO_MCS]) {
6603 data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6604 data->flags |= STA_DRV_DATA_TX_MCS;
6605 }
6606 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6607 data->tx_vhtmcs =
6608 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6609 data->flags |= STA_DRV_DATA_TX_VHT_MCS;
6610 }
6611 if (rate[NL80211_RATE_INFO_SHORT_GI])
6612 data->flags |= STA_DRV_DATA_TX_SHORT_GI;
6613 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6614 data->tx_vht_nss =
6615 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6616 data->flags |= STA_DRV_DATA_TX_VHT_NSS;
6617 }
6618 }
6619
6620 if (stats[NL80211_STA_INFO_RX_BITRATE] &&
6621 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6622 stats[NL80211_STA_INFO_RX_BITRATE],
6623 rate_policy) == 0) {
6624 if (rate[NL80211_RATE_INFO_BITRATE32])
6625 data->current_rx_rate =
6626 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6627 else if (rate[NL80211_RATE_INFO_BITRATE])
6628 data->current_rx_rate =
6629 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6630
6631 if (rate[NL80211_RATE_INFO_MCS]) {
6632 data->rx_mcs =
6633 nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6634 data->flags |= STA_DRV_DATA_RX_MCS;
6635 }
6636 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6637 data->rx_vhtmcs =
6638 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6639 data->flags |= STA_DRV_DATA_RX_VHT_MCS;
6640 }
6641 if (rate[NL80211_RATE_INFO_SHORT_GI])
6642 data->flags |= STA_DRV_DATA_RX_SHORT_GI;
6643 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6644 data->rx_vht_nss =
6645 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6646 data->flags |= STA_DRV_DATA_RX_VHT_NSS;
6647 }
6648 }
c5121837 6649
1d6f6385
THJ		 6650 if (stats[NL80211_STA_INFO_TID_STATS])
6651 get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]);
6652
c5121837
JM		 6653 return NL_SKIP;
6654}
6655
9ebce9c5
JM		 6656static int i802_read_sta_data(struct i802_bss *bss,
6657 struct hostap_sta_driver_data *data,
c5121837
JM		 6658 const u8 *addr)
6659{
c5121837
JM		 6660 struct nl_msg *msg;
6661
13f83980
JM		 6662 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
6663 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM		 6664 nlmsg_free(msg);
6665 return -ENOBUFS;
6666 }
c5121837 6667
13f83980 6668 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM		 6669}
6670
6671
c5121837
JM		 6672static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
6673 int cw_min, int cw_max, int burst_time)
6674{
a2e40bb6
FF		 6675 struct i802_bss *bss = priv;
6676 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6677 struct nl_msg *msg;
6678 struct nlattr *txq, *params;
bd512469 6679 int res;
c5121837 6680
13f83980 6681 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM		 6682 if (!msg)
6683 return -1;
6684
c5121837
JM		 6685 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
6686 if (!txq)
a862e4a3 6687 goto fail;
c5121837
JM		 6688
6689 /* We are only sending parameters for a single TXQ at a time */
6690 params = nla_nest_start(msg, 1);
6691 if (!params)
a862e4a3 6692 goto fail;
c5121837 6693
7e3c1781
JM		 6694 switch (queue) {
6695 case 0:
a862e4a3
JM		 6696 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
6697 goto fail;
7e3c1781
JM		 6698 break;
6699 case 1:
a862e4a3
JM		 6700 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
6701 goto fail;
7e3c1781
JM		 6702 break;
6703 case 2:
a862e4a3
JM		 6704 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
6705 goto fail;
7e3c1781
JM		 6706 break;
6707 case 3:
a862e4a3
JM		 6708 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
6709 goto fail;
7e3c1781
JM		 6710 break;
6711 }
c5121837
JM		 6712 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
6713 * 32 usec, so need to convert the value here. */
a862e4a3
JM		 6714 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
6715 (burst_time * 100 + 16) / 32) ||
6716 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
6717 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
6718 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
6719 goto fail;
c5121837
JM		 6720
6721 nla_nest_end(msg, params);
6722
6723 nla_nest_end(msg, txq);
6724
bd512469
JM		 6725 res = send_and_recv_msgs(drv, msg, NULL, NULL);
6726 wpa_printf(MSG_DEBUG,
6727 "nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
6728 queue, aifs, cw_min, cw_max, burst_time, res);
6729 if (res == 0)
c5121837 6730 return 0;
9e088e74 6731 msg = NULL;
a862e4a3 6732fail:
9e088e74 6733 nlmsg_free(msg);
c5121837
JM		 6734 return -1;
6735}
6736
6737
9ebce9c5 6738static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 6739 const char *ifname, int vlan_id)
6740{
a2e40bb6 6741 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6742 struct nl_msg *msg;
a862e4a3 6743 int ret;
c5121837 6744
bbc706a3
JM		 6745 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
6746 ", ifname=%s[%d], vlan_id=%d)",
6747 bss->ifname, if_nametoindex(bss->ifname),
6748 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 6749 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3 6750 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
0f903f37
GG		 6751 ((drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) &&
6752 nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id)) ||
a862e4a3
JM		 6753 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
6754 nlmsg_free(msg);
6755 return -ENOBUFS;
6756 }
c5121837 6757
cd1d72c1
JM		 6758 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6759 if (ret < 0) {
6760 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
6761 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
6762 MAC2STR(addr), ifname, vlan_id, ret,
6763 strerror(-ret));
6764 }
cd1d72c1 6765 return ret;
c5121837
JM		 6766}
6767
fbbfcbac 6768
c5121837
JM		 6769static int i802_get_inact_sec(void *priv, const u8 *addr)
6770{
6771 struct hostap_sta_driver_data data;
6772 int ret;
6773
7824bf77 6774 os_memset(&data, 0, sizeof(data));
c5121837
JM		 6775 data.inactive_msec = (unsigned long) -1;
6776 ret = i802_read_sta_data(priv, &data, addr);
b9749bac
MH		 6777 if (ret == -ENOENT)
6778 return -ENOENT;
c5121837
JM		 6779 if (ret || data.inactive_msec == (unsigned long) -1)
6780 return -1;
6781 return data.inactive_msec / 1000;
6782}
6783
6784
6785static int i802_sta_clear_stats(void *priv, const u8 *addr)
6786{
6787#if 0
6788 /* TODO */
6789#endif
6790 return 0;
6791}
6792
6793
731723a5 6794static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6795 u16 reason)
c5121837 6796{
a2e40bb6 6797 struct i802_bss *bss = priv;
e1bd4e19 6798 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6799 struct ieee80211_mgmt mgmt;
05e5e615
DL		 6800 u8 channel;
6801
6802 if (ieee80211_freq_to_chan(bss->freq, &channel) ==
6803 HOSTAPD_MODE_IEEE80211AD) {
6804 /* Deauthentication is not used in DMG/IEEE 802.11ad;
6805 * disassociate the STA instead. */
6806 return i802_sta_disassoc(priv, own_addr, addr, reason);
6807 }
c5121837 6808
0d391b03
BC		 6809 if (is_mesh_interface(drv->nlmode))
6810 return -1;
6811
e1bd4e19 6812 if (drv->device_ap_sme)
59d7148a 6813 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 6814
c5121837
JM		 6815 memset(&mgmt, 0, sizeof(mgmt));
6816 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6817 WLAN_FC_STYPE_DEAUTH);
6818 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6819 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6820 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6821 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 6822 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6823 IEEE80211_HDRLEN +
9ebce9c5 6824 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
27cc06d0 6825 0, NULL, 0, 0);
c5121837
JM		 6826}
6827
6828
731723a5 6829static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6830 u16 reason)
c5121837 6831{
a2e40bb6 6832 struct i802_bss *bss = priv;
e1bd4e19 6833 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6834 struct ieee80211_mgmt mgmt;
6835
0d391b03
BC		 6836 if (is_mesh_interface(drv->nlmode))
6837 return -1;
6838
e1bd4e19 6839 if (drv->device_ap_sme)
59d7148a 6840 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 6841
c5121837
JM		 6842 memset(&mgmt, 0, sizeof(mgmt));
6843 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6844 WLAN_FC_STYPE_DISASSOC);
6845 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6846 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6847 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6848 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 6849 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6850 IEEE80211_HDRLEN +
9ebce9c5 6851 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
27cc06d0 6852 0, NULL, 0, 0);
c5121837
JM		 6853}
6854
6855
9b4d9c8b
JM		 6856static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
6857{
6858 char buf[200], *pos, *end;
6859 int i, res;
6860
6861 pos = buf;
6862 end = pos + sizeof(buf);
6863
6864 for (i = 0; i < drv->num_if_indices; i++) {
099224c1 6865 if (!drv->if_indices[i].ifindex)
9b4d9c8b 6866 continue;
732b1d20 6867 res = os_snprintf(pos, end - pos, " %d(%d)",
099224c1
JM		 6868 drv->if_indices[i].ifindex,
6869 drv->if_indices[i].reason);
d85e1fc8 6870 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM		 6871 break;
6872 pos += res;
6873 }
6874 *pos = '\0';
6875
6876 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
6877 drv->num_if_indices, buf);
6878}
6879
6880
732b1d20
MB		 6881static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6882 int ifidx_reason)
f07ead6a
JM		 6883{
6884 int i;
099224c1 6885 struct drv_nl80211_if_info *old;
f07ead6a 6886
732b1d20
MB		 6887 wpa_printf(MSG_DEBUG,
6888 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
6889 ifidx, ifidx_reason);
6890 if (have_ifidx(drv, ifidx, ifidx_reason)) {
b36935be
MB		 6891 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
6892 ifidx);
6893 return;
6894 }
f07ead6a 6895 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM		 6896 if (drv->if_indices[i].ifindex == 0) {
6897 drv->if_indices[i].ifindex = ifidx;
6898 drv->if_indices[i].reason = ifidx_reason;
9b4d9c8b 6899 dump_ifidx(drv);
f07ead6a
JM		 6900 return;
6901 }
6902 }
6903
6904 if (drv->if_indices != drv->default_if_indices)
6905 old = drv->if_indices;
6906 else
6907 old = NULL;
6908
067ffa26 6909 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
099224c1 6910 sizeof(*old));
f07ead6a
JM		 6911 if (!drv->if_indices) {
6912 if (!old)
6913 drv->if_indices = drv->default_if_indices;
6914 else
6915 drv->if_indices = old;
6916 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
6917 "interfaces");
6918 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
6919 return;
732b1d20
MB		 6920 }
6921 if (!old)
f07ead6a
JM		 6922 os_memcpy(drv->if_indices, drv->default_if_indices,
6923 sizeof(drv->default_if_indices));
099224c1
JM		 6924 drv->if_indices[drv->num_if_indices].ifindex = ifidx;
6925 drv->if_indices[drv->num_if_indices].reason = ifidx_reason;
f07ead6a 6926 drv->num_if_indices++;
9b4d9c8b 6927 dump_ifidx(drv);
f07ead6a
JM		 6928}
6929
6930
732b1d20
MB		 6931static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6932 int ifidx_reason)
f07ead6a
JM		 6933{
6934 int i;
6935
6936 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM		 6937 if ((drv->if_indices[i].ifindex == ifidx ||
6938 ifidx == IFIDX_ANY) &&
6939 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6940 ifidx_reason == IFIDX_ANY)) {
099224c1
JM		 6941 drv->if_indices[i].ifindex = 0;
6942 drv->if_indices[i].reason = 0;
f07ead6a
JM		 6943 break;
6944 }
6945 }
9b4d9c8b 6946 dump_ifidx(drv);
f07ead6a
JM		 6947}
6948
6949
732b1d20
MB		 6950static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6951 int ifidx_reason)
f07ead6a
JM		 6952{
6953 int i;
6954
6955 for (i = 0; i < drv->num_if_indices; i++)
099224c1
JM		 6956 if (drv->if_indices[i].ifindex == ifidx &&
6957 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6958 ifidx_reason == IFIDX_ANY))
f07ead6a
JM		 6959 return 1;
6960
6961 return 0;
6962}
6963
6964
6965static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 6966 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 6967{
6968 struct i802_bss *bss = priv;
6969 struct wpa_driver_nl80211_data *drv = bss->drv;
6970 char name[IFNAMSIZ + 1];
1952b626 6971 union wpa_event_data event;
d577f7f3
AO		 6972 int ret;
6973
6974 ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
6975 if (ret >= (int) sizeof(name))
6976 wpa_printf(MSG_WARNING,
6977 "nl80211: WDS interface name was truncated");
6978 else if (ret < 0)
6979 return ret;
f07ead6a 6980
69dd2967
SM		 6981 if (ifname_wds)
6982 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
6983
f07ead6a
JM		 6984 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
6985 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
6986 if (val) {
6987 if (!if_nametoindex(name)) {
6988 if (nl80211_create_iface(drv, name,
6989 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 6990 bss->addr, 1, NULL, NULL, 0) <
6991 0)
f07ead6a
JM		 6992 return -1;
6993 if (bridge_ifname &&
c81eff1a
BG		 6994 linux_br_add_if(drv->global->ioctl_sock,
6995 bridge_ifname, name) < 0)
f07ead6a 6996 return -1;
1952b626
BP		 6997
6998 os_memset(&event, 0, sizeof(event));
6999 event.wds_sta_interface.sta_addr = addr;
7000 event.wds_sta_interface.ifname = name;
7001 event.wds_sta_interface.istatus = INTERFACE_ADDED;
8bfbb295 7002 wpa_supplicant_event(bss->ctx,
1952b626
BP		 7003 EVENT_WDS_STA_INTERFACE_STATUS,
7004 &event);
f07ead6a 7005 }
75227f3a
JM		 7006 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
7007 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
7008 "interface %s up", name);
7009 }
f07ead6a
JM		 7010 return i802_set_sta_vlan(priv, addr, name, 0);
7011 } else {
f9052d6e
JM		 7012 if (bridge_ifname &&
7013 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
7014 name) < 0)
7015 wpa_printf(MSG_INFO,
7016 "nl80211: Failed to remove interface %s from bridge %s: %s",
7017 name, bridge_ifname, strerror(errno));
c34e618d 7018
f07ead6a 7019 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25 7020 nl80211_remove_iface(drv, if_nametoindex(name));
1952b626
BP		 7021 os_memset(&event, 0, sizeof(event));
7022 event.wds_sta_interface.sta_addr = addr;
7023 event.wds_sta_interface.ifname = name;
7024 event.wds_sta_interface.istatus = INTERFACE_REMOVED;
8bfbb295 7025 wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS,
1952b626 7026 &event);
d0595b25 7027 return 0;
f07ead6a
JM		 7028 }
7029}
7030
7031
7032static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
7033{
7034 struct wpa_driver_nl80211_data *drv = eloop_ctx;
7035 struct sockaddr_ll lladdr;
7036 unsigned char buf[3000];
7037 int len;
7038 socklen_t fromlen = sizeof(lladdr);
7039
7040 len = recvfrom(sock, buf, sizeof(buf), 0,
7041 (struct sockaddr *)&lladdr, &fromlen);
7042 if (len < 0) {
7ac3616d
JM		 7043 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
7044 strerror(errno));
f07ead6a
JM		 7045 return;
7046 }
7047
732b1d20 7048 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
f07ead6a
JM		 7049 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
7050}
7051
7052
94627f6c 7053static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 7054 struct i802_bss *bss,
94627f6c
JM		 7055 const char *brname, const char *ifname)
7056{
6c6678e7 7057 int br_ifindex;
94627f6c
JM		 7058 char in_br[IFNAMSIZ];
7059
e17a2477 7060 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 7061 br_ifindex = if_nametoindex(brname);
6c6678e7 7062 if (br_ifindex == 0) {
94627f6c
JM		 7063 /*
7064 * Bridge was configured, but the bridge device does
7065 * not exist. Try to add it now.
7066 */
c81eff1a 7067 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 7068 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
7069 "bridge interface %s: %s",
7070 brname, strerror(errno));
7071 return -1;
7072 }
e17a2477 7073 bss->added_bridge = 1;
8997613c 7074 br_ifindex = if_nametoindex(brname);
732b1d20 7075 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 7076 }
8997613c 7077 bss->br_ifindex = br_ifindex;
94627f6c
JM		 7078
7079 if (linux_br_get(in_br, ifname) == 0) {
c809756f
SM		 7080 if (os_strcmp(in_br, brname) == 0) {
7081 bss->already_in_bridge = 1;
94627f6c 7082 return 0; /* already in the bridge */
c809756f 7083 }
94627f6c
JM		 7084
7085 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
7086 "bridge %s", ifname, in_br);
c81eff1a
BG		 7087 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
7088 0) {
94627f6c
JM		 7089 wpa_printf(MSG_ERROR, "nl80211: Failed to "
7090 "remove interface %s from bridge "
7091 "%s: %s",
fdbfb63e 7092 ifname, in_br, strerror(errno));
94627f6c
JM		 7093 return -1;
7094 }
7095 }
7096
7097 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
7098 ifname, brname);
c81eff1a 7099 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
8e111157
MK		 7100 wpa_printf(MSG_WARNING,
7101 "nl80211: Failed to add interface %s into bridge %s: %s",
94627f6c 7102 ifname, brname, strerror(errno));
8e111157
MK		 7103 /* Try to continue without the interface being in a bridge. This
7104 * may be needed for some cases, e.g., with Open vSwitch, where
7105 * an external component will need to handle bridge
7106 * configuration. */
7107 return 0;
94627f6c 7108 }
e17a2477 7109 bss->added_if_into_bridge = 1;
94627f6c
JM		 7110
7111 return 0;
7112}
7113
7114
92f475b4
JM		 7115static void *i802_init(struct hostapd_data *hapd,
7116 struct wpa_init_params *params)
c5121837
JM		 7117{
7118 struct wpa_driver_nl80211_data *drv;
a2e40bb6 7119 struct i802_bss *bss;
c5121837 7120 size_t i;
cb05808c
AN		 7121 char master_ifname[IFNAMSIZ];
7122 int ifindex, br_ifindex = 0;
94627f6c 7123 int br_added = 0;
c5121837 7124
0d547d5f
JM		 7125 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
7126 params->global_priv, 1,
0ecff8d7 7127 params->bssid, params->driver_params);
a2e40bb6 7128 if (bss == NULL)
c5121837 7129 return NULL;
c5121837 7130
a2e40bb6 7131 drv = bss->drv;
7635bfb0 7132
cb05808c 7133 if (linux_br_get(master_ifname, params->ifname) == 0) {
94627f6c 7134 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
cb05808c
AN		 7135 params->ifname, master_ifname);
7136 br_ifindex = if_nametoindex(master_ifname);
7137 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
7138 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
7139 linux_master_get(master_ifname, params->ifname) == 0) {
7140 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
7141 params->ifname, master_ifname);
7142 /* start listening for EAPOL on the master interface */
732b1d20 7143 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
f2d6c17a
DL		 7144
7145 /* check if master itself is under bridge */
7146 if (linux_br_get(master_ifname, master_ifname) == 0) {
7147 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
7148 master_ifname);
7149 br_ifindex = if_nametoindex(master_ifname);
7150 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
7151 }
94627f6c 7152 } else {
cb05808c 7153 master_ifname[0] = '\0';
94627f6c 7154 }
cb05808c 7155
6c6678e7 7156 bss->br_ifindex = br_ifindex;
94627f6c 7157
92f475b4 7158 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 7159 if (params->bridge[i]) {
7160 ifindex = if_nametoindex(params->bridge[i]);
7161 if (ifindex)
732b1d20 7162 add_ifidx(drv, ifindex, drv->ifindex);
94627f6c
JM		 7163 if (ifindex == br_ifindex)
7164 br_added = 1;
7165 }
c5121837 7166 }
c5121837 7167
ad1e68e6 7168 /* start listening for EAPOL on the default AP interface */
732b1d20 7169 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
ad1e68e6 7170
5ef8e39f
JM		 7171 if (params->num_bridge && params->bridge[0]) {
7172 if (i802_check_bridge(drv, bss, params->bridge[0],
7173 params->ifname) < 0)
7174 goto failed;
cb05808c 7175 if (os_strcmp(params->bridge[0], master_ifname) != 0)
5ef8e39f
JM		 7176 br_added = 1;
7177 }
7178
7179 if (!br_added && br_ifindex &&
7180 (params->num_bridge == 0 || !params->bridge[0]))
732b1d20 7181 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 7182
97ed9a06 7183#ifdef CONFIG_LIBNL3_ROUTE
c809756f 7184 if (bss->added_if_into_bridge || bss->already_in_bridge) {
3ea58a05
JM		 7185 int err;
7186
97ed9a06
KP		 7187 drv->rtnl_sk = nl_socket_alloc();
7188 if (drv->rtnl_sk == NULL) {
7189 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
7190 goto failed;
7191 }
7192
3ea58a05
JM		 7193 err = nl_connect(drv->rtnl_sk, NETLINK_ROUTE);
7194 if (err) {
97ed9a06 7195 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
3ea58a05 7196 nl_geterror(err));
97ed9a06
KP		 7197 goto failed;
7198 }
7199 }
7200#endif /* CONFIG_LIBNL3_ROUTE */
7201
ad1e68e6
JM		 7202 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
7203 if (drv->eapol_sock < 0) {
7ac3616d
JM		 7204 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
7205 strerror(errno));
bbaf0837 7206 goto failed;
ad1e68e6
JM		 7207 }
7208
7209 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
7210 {
7ac3616d 7211 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 7212 goto failed;
ad1e68e6
JM		 7213 }
7214
c81eff1a
BG		 7215 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
7216 params->own_addr))
bbaf0837 7217 goto failed;
fee354c7 7218 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 7219
341eebee
JB		 7220 memcpy(bss->addr, params->own_addr, ETH_ALEN);
7221
a2e40bb6 7222 return bss;
c5121837
JM		 7223
7224failed:
7635bfb0 7225 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 7226 return NULL;
7227}
c5121837 7228
c5121837 7229
bbaf0837
JM		 7230static void i802_deinit(void *priv)
7231{
9ebce9c5
JM		 7232 struct i802_bss *bss = priv;
7233 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 7234}
7235
c5121837 7236
22a7c9d7
JM		 7237static enum nl80211_iftype wpa_driver_nl80211_if_type(
7238 enum wpa_driver_if_type type)
7239{
7240 switch (type) {
7241 case WPA_IF_STATION:
9f51b113 7242 return NL80211_IFTYPE_STATION;
75bde05d
JM		 7243 case WPA_IF_P2P_CLIENT:
7244 case WPA_IF_P2P_GROUP:
9f51b113 7245 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 7246 case WPA_IF_AP_VLAN:
7247 return NL80211_IFTYPE_AP_VLAN;
7248 case WPA_IF_AP_BSS:
7249 return NL80211_IFTYPE_AP;
9f51b113
JB		 7250 case WPA_IF_P2P_GO:
7251 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 7252 case WPA_IF_P2P_DEVICE:
7253 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH		 7254 case WPA_IF_MESH:
7255 return NL80211_IFTYPE_MESH_POINT;
98342208
AK		 7256 default:
7257 return -1;
22a7c9d7 7258 }
22a7c9d7
JM		 7259}
7260
7261
f2ed8023
JM		 7262static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
7263{
7264 struct wpa_driver_nl80211_data *drv;
7265 dl_list_for_each(drv, &global->interfaces,
7266 struct wpa_driver_nl80211_data, list) {
834ee56f 7267 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 7268 return 1;
7269 }
7270 return 0;
7271}
7272
7273
5b78493f 7274static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM		 7275{
7276 unsigned int idx;
7277
7278 if (!drv->global)
7279 return -1;
7280
834ee56f 7281 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 7282 for (idx = 0; idx < 64; idx++) {
834ee56f 7283 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 7284 new_addr[0] ^= idx << 2;
7285 if (!nl80211_addr_in_use(drv->global, new_addr))
7286 break;
7287 }
7288 if (idx == 64)
7289 return -1;
7290
5b78493f 7291 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM		 7292 MACSTR, MAC2STR(new_addr));
7293
7294 return 0;
7295}
7296
7297
f632e483
AS		 7298struct wdev_info {
7299 u64 wdev_id;
7300 int wdev_id_set;
7301 u8 macaddr[ETH_ALEN];
7302};
7303
7304static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 7305{
7306 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7307 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 7308 struct wdev_info *wi = arg;
e472e1b4
AS		 7309
7310 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7311 genlmsg_attrlen(gnlh, 0), NULL);
7312 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 7313 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
7314 wi->wdev_id_set = 1;
e472e1b4
AS		 7315 }
7316
7317 if (tb[NL80211_ATTR_MAC])
f632e483 7318 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 7319 ETH_ALEN);
7320
7321 return NL_SKIP;
7322}
7323
7324
7ab68865 7325static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 7326 const char *ifname, const u8 *addr,
f3585c8a 7327 void *bss_ctx, void **drv_priv,
e17a2477 7328 char *force_ifname, u8 *if_addr,
d8a3b66d
AS		 7329 const char *bridge, int use_existing,
7330 int setup_ap)
22a7c9d7 7331{
e472e1b4 7332 enum nl80211_iftype nlmode;
a2e40bb6
FF		 7333 struct i802_bss *bss = priv;
7334 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 7335 int ifidx;
2aec4f3c 7336 int added = 1;
22a7c9d7 7337
f3585c8a
JM		 7338 if (addr)
7339 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 7340 nlmode = wpa_driver_nl80211_if_type(type);
7341 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 7342 struct wdev_info p2pdev_info;
7343
7344 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 7345 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 7346 0, nl80211_wdev_handler,
2aec4f3c 7347 &p2pdev_info, use_existing);
f632e483 7348 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 7349 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
7350 ifname);
e472e1b4
AS		 7351 return -1;
7352 }
f632e483
AS		 7353
7354 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
7355 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
7356 if (!is_zero_ether_addr(p2pdev_info.macaddr))
7357 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
7358 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
7359 ifname,
7360 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 7361 } else {
7362 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 7363 0, NULL, NULL, use_existing);
7364 if (use_existing && ifidx == -ENFILE) {
7365 added = 0;
7366 ifidx = if_nametoindex(ifname);
7367 } else if (ifidx < 0) {
e472e1b4
AS		 7368 return -1;
7369 }
22a7c9d7
JM		 7370 }
7371
ab7a1add 7372 if (!addr) {
8ea8a89c 7373 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
ab7a1add
AS		 7374 os_memcpy(if_addr, bss->addr, ETH_ALEN);
7375 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8ea8a89c 7376 ifname, if_addr) < 0) {
2aec4f3c
JM		 7377 if (added)
7378 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 7379 return -1;
7380 }
c55f774d
JM		 7381 }
7382
c55f774d
JM		 7383 if (!addr &&
7384 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8ea8a89c
JM		 7385 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
7386 type == WPA_IF_STATION)) {
7387 /* Enforce unique address */
ab7a1add 7388 u8 new_addr[ETH_ALEN];
c55f774d 7389
ab7a1add 7390 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 7391 new_addr) < 0) {
ea39367c
MK		 7392 if (added)
7393 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7394 return -1;
7395 }
f608081c 7396 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 7397 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8ea8a89c 7398 "for interface %s type %d", ifname, type);
5b78493f 7399 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK		 7400 if (added)
7401 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7402 return -1;
7403 }
c81eff1a 7404 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 7405 new_addr) < 0) {
ea39367c
MK		 7406 if (added)
7407 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7408 return -1;
7409 }
c55f774d 7410 }
f67eeb5c 7411 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 7412 }
f3585c8a 7413
d8a3b66d 7414 if (type == WPA_IF_AP_BSS && setup_ap) {
f5eb9da3
JM		 7415 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
7416 if (new_bss == NULL) {
2aec4f3c
JM		 7417 if (added)
7418 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 7419 return -1;
7420 }
7421
7422 if (bridge &&
7423 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
7424 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
7425 "interface %s to a bridge %s",
7426 ifname, bridge);
2aec4f3c
JM		 7427 if (added)
7428 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 7429 os_free(new_bss);
7430 return -1;
7431 }
7432
c81eff1a
BG		 7433 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
7434 {
ea39367c
MK		 7435 if (added)
7436 nl80211_remove_iface(drv, ifidx);
07179987 7437 os_free(new_bss);
22a7c9d7
JM		 7438 return -1;
7439 }
a2e40bb6 7440 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 7441 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 7442 new_bss->ifindex = ifidx;
7443 new_bss->drv = drv;
834ee56f
KP		 7444 new_bss->next = drv->first_bss->next;
7445 new_bss->freq = drv->first_bss->freq;
a5e1eb20 7446 new_bss->ctx = bss_ctx;
2aec4f3c 7447 new_bss->added_if = added;
834ee56f 7448 drv->first_bss->next = new_bss;
a2e40bb6
FF		 7449 if (drv_priv)
7450 *drv_priv = new_bss;
cc7a48d1 7451 nl80211_init_bss(new_bss);
3dd1d890
YAP		 7452
7453 /* Subscribe management frames for this WPA_IF_AP_BSS */
7454 if (nl80211_setup_ap(new_bss))
7455 return -1;
22a7c9d7 7456 }
22a7c9d7 7457
ff6a158b
JM		 7458 if (drv->global)
7459 drv->global->if_add_ifindex = ifidx;
7460
d1bb7aed
JJ		 7461 /*
7462 * Some virtual interfaces need to process EAPOL packets and events on
7463 * the parent interface. This is used mainly with hostapd.
7464 */
7465 if (ifidx > 0 &&
7466 (drv->hostapd ||
7467 nlmode == NL80211_IFTYPE_AP_VLAN ||
7468 nlmode == NL80211_IFTYPE_WDS ||
7469 nlmode == NL80211_IFTYPE_MONITOR))
732b1d20 7470 add_ifidx(drv, ifidx, IFIDX_ANY);
b36935be 7471
22a7c9d7
JM		 7472 return 0;
7473}
7474
7475
9ebce9c5 7476static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 7477 enum wpa_driver_if_type type,
7478 const char *ifname)
7479{
a2e40bb6 7480 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 7481 int ifindex = if_nametoindex(ifname);
7482
2aec4f3c
JM		 7483 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
7484 __func__, type, ifname, ifindex, bss->added_if);
158b090c 7485 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 7486 nl80211_remove_iface(drv, ifindex);
de884303
JM		 7487 else if (ifindex > 0 && !bss->added_if) {
7488 struct wpa_driver_nl80211_data *drv2;
7489 dl_list_for_each(drv2, &drv->global->interfaces,
732b1d20
MB		 7490 struct wpa_driver_nl80211_data, list) {
7491 del_ifidx(drv2, ifindex, IFIDX_ANY);
7492 del_ifidx(drv2, IFIDX_ANY, ifindex);
7493 }
de884303 7494 }
c34e618d 7495
c34e618d
FF		 7496 if (type != WPA_IF_AP_BSS)
7497 return 0;
7498
e17a2477 7499 if (bss->added_if_into_bridge) {
c81eff1a
BG		 7500 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
7501 bss->ifname) < 0)
e17a2477
JM		 7502 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7503 "interface %s from bridge %s: %s",
7504 bss->ifname, bss->brname, strerror(errno));
7505 }
7506 if (bss->added_bridge) {
c81eff1a 7507 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 7508 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7509 "bridge %s: %s",
7510 bss->brname, strerror(errno));
7511 }
a2e40bb6 7512
834ee56f 7513 if (bss != drv->first_bss) {
8546ea19 7514 struct i802_bss *tbss;
a2e40bb6 7515
2aec4f3c 7516 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 7517 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 7518 if (tbss->next == bss) {
7519 tbss->next = bss->next;
3dd1d890
YAP		 7520 /* Unsubscribe management frames */
7521 nl80211_teardown_ap(bss);
cc7a48d1 7522 nl80211_destroy_bss(bss);
5c9da160
MB		 7523 if (!bss->added_if)
7524 i802_set_iface_flags(bss, 0);
8546ea19
JM		 7525 os_free(bss);
7526 bss = NULL;
7527 break;
7528 }
22a7c9d7 7529 }
8546ea19
JM		 7530 if (bss)
7531 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
7532 "BSS %p in the list", __func__, bss);
390e489c 7533 } else {
2aec4f3c 7534 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 7535 nl80211_teardown_ap(bss);
2aec4f3c 7536 if (!bss->added_if && !drv->first_bss->next)
a70cd0db 7537 wpa_driver_nl80211_del_beacon(bss);
390e489c 7538 nl80211_destroy_bss(bss);
2aec4f3c
JM		 7539 if (!bss->added_if)
7540 i802_set_iface_flags(bss, 0);
390e489c
KP		 7541 if (drv->first_bss->next) {
7542 drv->first_bss = drv->first_bss->next;
7543 drv->ctx = drv->first_bss->ctx;
7544 os_free(bss);
7545 } else {
7546 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
7547 }
22a7c9d7 7548 }
22a7c9d7
JM		 7549
7550 return 0;
7551}
7552
7553
55777702
JM		 7554static int cookie_handler(struct nl_msg *msg, void *arg)
7555{
7556 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7557 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7558 u64 *cookie = arg;
7559 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7560 genlmsg_attrlen(gnlh, 0), NULL);
7561 if (tb[NL80211_ATTR_COOKIE])
7562 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
7563 return NL_SKIP;
7564}
7565
7566
88df0ef7 7567static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 7568 unsigned int freq, unsigned int wait,
7569 const u8 *buf, size_t buf_len,
5ad372cc 7570 int save_cookie, int no_cck, int no_ack,
2d3943ce
AO		 7571 int offchanok, const u16 *csa_offs,
7572 size_t csa_offs_len)
9884f9cc 7573{
88df0ef7 7574 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 7575 struct nl_msg *msg;
7576 u64 cookie;
7577 int ret = -1;
7578
cc2ada86 7579 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 7580 "no_ack=%d offchanok=%d",
7581 freq, wait, no_cck, no_ack, offchanok);
c91f796f 7582 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 7583
56f77852 7584 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM		 7585 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
7586 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
7587 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7588 drv->test_use_roc_tx) &&
7589 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
7590 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
7591 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
2d3943ce
AO		 7592 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
7593 csa_offs_len * sizeof(u16), csa_offs)) ||
a862e4a3
JM		 7594 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
7595 goto fail;
9884f9cc
JB		 7596
7597 cookie = 0;
7598 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7599 msg = NULL;
7600 if (ret) {
7601 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 7602 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
7603 freq, wait);
a862e4a3
JM		 7604 } else {
7605 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
7606 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
7607 (long long unsigned int) cookie);
9884f9cc 7608
5ad372cc 7609 if (save_cookie)
81ae8820 7610 drv->send_frame_cookie = no_ack ? (u64) -1 : cookie;
759a8a3a 7611
81ae8820 7612 if (drv->num_send_frame_cookies == MAX_SEND_FRAME_COOKIES) {
759a8a3a 7613 wpa_printf(MSG_DEBUG,
81ae8820 7614 "nl80211: Drop oldest pending send frame cookie 0x%llx",
759a8a3a 7615 (long long unsigned int)
81ae8820
JM		 7616 drv->send_frame_cookies[0]);
7617 os_memmove(&drv->send_frame_cookies[0],
7618 &drv->send_frame_cookies[1],
7619 (MAX_SEND_FRAME_COOKIES - 1) *
759a8a3a 7620 sizeof(u64));
81ae8820 7621 drv->num_send_frame_cookies--;
759a8a3a 7622 }
81ae8820
JM		 7623 drv->send_frame_cookies[drv->num_send_frame_cookies] = cookie;
7624 drv->num_send_frame_cookies++;
a862e4a3 7625 }
9884f9cc 7626
a862e4a3 7627fail:
9884f9cc
JB		 7628 nlmsg_free(msg);
7629 return ret;
7630}
7631
7632
9ebce9c5
JM		 7633static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
7634 unsigned int freq,
190b9062 7635 unsigned int wait_time,
58f6fbe0
JM		 7636 const u8 *dst, const u8 *src,
7637 const u8 *bssid,
b106173a
JM		 7638 const u8 *data, size_t data_len,
7639 int no_cck)
58f6fbe0 7640{
a2e40bb6 7641 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 7642 int ret = -1;
58f6fbe0
JM		 7643 u8 *buf;
7644 struct ieee80211_hdr *hdr;
ff774311
BG		 7645 int offchanok = 1;
7646
7647 if (is_ap_interface(drv->nlmode) && (int) freq == bss->freq)
7648 offchanok = 0;
58f6fbe0 7649
5dfca53f 7650 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
ff774311
BG		 7651 "freq=%u MHz wait=%d ms no_cck=%d offchanok=%d)",
7652 drv->ifindex, freq, wait_time, no_cck, offchanok);
58f6fbe0
JM		 7653
7654 buf = os_zalloc(24 + data_len);
7655 if (buf == NULL)
7656 return ret;
7657 os_memcpy(buf + 24, data, data_len);
7658 hdr = (struct ieee80211_hdr *) buf;
7659 hdr->frame_control =
7660 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
7661 os_memcpy(hdr->addr1, dst, ETH_ALEN);
7662 os_memcpy(hdr->addr2, src, ETH_ALEN);
7663 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
7664
8331c9b3
VK		 7665 if (os_memcmp(bss->addr, src, ETH_ALEN) != 0) {
7666 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
7667 MAC2STR(src));
7668 os_memcpy(bss->rand_addr, src, ETH_ALEN);
7669 } else {
7670 os_memset(bss->rand_addr, 0, ETH_ALEN);
7671 }
7672
f78f2785
JM		 7673 if (is_ap_interface(drv->nlmode) &&
7674 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7675 (int) freq == bss->freq || drv->device_ap_sme ||
7676 !drv->use_monitor))
9ebce9c5 7677 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
ff774311 7678 0, freq, no_cck, offchanok,
27cc06d0 7679 wait_time, NULL, 0, 0);
9884f9cc 7680 else
88df0ef7 7681 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 7682 24 + data_len,
ff774311 7683 1, no_cck, 0, offchanok, NULL, 0);
58f6fbe0 7684
f8bf1421 7685 os_free(buf);
58f6fbe0
JM		 7686 return ret;
7687}
7688
7689
759a8a3a 7690static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
5dfca53f 7691{
5dfca53f
JB		 7692 struct wpa_driver_nl80211_data *drv = bss->drv;
7693 struct nl_msg *msg;
7694 int ret;
7695
316a9e4d 7696 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
759a8a3a 7697 (long long unsigned int) cookie);
56f77852 7698 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
759a8a3a 7699 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
a862e4a3
JM		 7700 nlmsg_free(msg);
7701 return;
7702 }
5dfca53f
JB		 7703
7704 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB		 7705 if (ret)
7706 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
7707 "(%s)", ret, strerror(-ret));
5dfca53f
JB		 7708}
7709
7710
759a8a3a
JM		 7711static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
7712{
7713 struct i802_bss *bss = priv;
7714 struct wpa_driver_nl80211_data *drv = bss->drv;
7715 unsigned int i;
7716 u64 cookie;
7717
7718 /* Cancel the last pending TX cookie */
81ae8820 7719 nl80211_frame_wait_cancel(bss, drv->send_frame_cookie);
759a8a3a
JM		 7720
7721 /*
7722 * Cancel the other pending TX cookies, if any. This is needed since
7723 * the driver may keep a list of all pending offchannel TX operations
7724 * and free up the radio only once they have expired or cancelled.
7725 */
81ae8820
JM		 7726 for (i = drv->num_send_frame_cookies; i > 0; i--) {
7727 cookie = drv->send_frame_cookies[i - 1];
7728 if (cookie != drv->send_frame_cookie)
759a8a3a
JM		 7729 nl80211_frame_wait_cancel(bss, cookie);
7730 }
81ae8820 7731 drv->num_send_frame_cookies = 0;
759a8a3a
JM		 7732}
7733
7734
55777702
JM		 7735static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
7736 unsigned int duration)
7737{
a2e40bb6
FF		 7738 struct i802_bss *bss = priv;
7739 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7740 struct nl_msg *msg;
7741 int ret;
7742 u64 cookie;
7743
56f77852 7744 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM		 7745 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
7746 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
7747 nlmsg_free(msg);
7748 return -1;
7749 }
55777702
JM		 7750
7751 cookie = 0;
7752 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7753 if (ret == 0) {
7754 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
7755 "0x%llx for freq=%u MHz duration=%u",
7756 (long long unsigned int) cookie, freq, duration);
7757 drv->remain_on_chan_cookie = cookie;
531f0331 7758 drv->pending_remain_on_chan = 1;
55777702
JM		 7759 return 0;
7760 }
7761 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 7762 "(freq=%d duration=%u): %d (%s)",
7763 freq, duration, ret, strerror(-ret));
55777702
JM		 7764 return -1;
7765}
7766
7767
7768static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
7769{
a2e40bb6
FF		 7770 struct i802_bss *bss = priv;
7771 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7772 struct nl_msg *msg;
7773 int ret;
7774
7775 if (!drv->pending_remain_on_chan) {
7776 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
7777 "to cancel");
7778 return -1;
7779 }
7780
7781 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
7782 "0x%llx",
7783 (long long unsigned int) drv->remain_on_chan_cookie);
7784
56f77852
JM		 7785 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
7786 if (!msg ||
a862e4a3
JM		 7787 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
7788 nlmsg_free(msg);
7789 return -1;
7790 }
55777702
JM		 7791
7792 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7793 if (ret == 0)
7794 return 0;
7795 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
7796 "%d (%s)", ret, strerror(-ret));
55777702
JM		 7797 return -1;
7798}
7799
7800
9ebce9c5 7801static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 7802{
a2e40bb6 7803 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 7804
5582a5d1 7805 if (!report) {
0d891981 7806 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 7807 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
7808 !bss->static_ap) {
0d891981
JM		 7809 /*
7810 * Do not disable Probe Request reporting that was
7811 * enabled in nl80211_setup_ap().
7812 */
7813 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
7814 "Probe Request reporting nl_preq=%p while "
7815 "in AP mode", bss->nl_preq);
7816 } else if (bss->nl_preq) {
36488c05
JM		 7817 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
7818 "reporting nl_preq=%p", bss->nl_preq);
40a68f33 7819 nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
5582a5d1
JB		 7820 }
7821 return 0;
7822 }
7823
481234cf 7824 if (bss->nl_preq) {
5582a5d1 7825 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 7826 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 7827 return 0;
7828 }
7829
481234cf
JM		 7830 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
7831 if (bss->nl_preq == NULL)
5582a5d1 7832 return -1;
36488c05
JM		 7833 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
7834 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 7835
481234cf 7836 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 7837 (WLAN_FC_TYPE_MGMT << 2) |
7838 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 7839 NULL, 0) < 0)
7840 goto out_err;
5582a5d1 7841
5f65e9f7
JB		 7842 nl80211_register_eloop_read(&bss->nl_preq,
7843 wpa_driver_nl80211_event_receive,
40a68f33 7844 bss->nl_cb, 0);
5582a5d1 7845
504e905c 7846 return 0;
5582a5d1 7847
a92dfde8 7848 out_err:
221a59c9 7849 nl_destroy_handles(&bss->nl_preq);
5582a5d1 7850 return -1;
504e905c
JM		 7851}
7852
7853
4e5cb1a3
JM		 7854static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
7855 int ifindex, int disabled)
7856{
7857 struct nl_msg *msg;
7858 struct nlattr *bands, *band;
7859 int ret;
7860
3e208481
JM		 7861 wpa_printf(MSG_DEBUG,
7862 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
7863 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
7864 "no NL80211_TXRATE_LEGACY constraint");
7865
95376e1a
JM		 7866 msg = nl80211_ifindex_msg(drv, ifindex, 0,
7867 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 7868 if (!msg)
7869 return -1;
7870
4e5cb1a3
JM		 7871 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
7872 if (!bands)
a862e4a3 7873 goto fail;
4e5cb1a3
JM		 7874
7875 /*
7876 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
7877 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
7878 * rates. All 5 GHz rates are left enabled.
7879 */
7880 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM		 7881 if (!band ||
7882 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
7883 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
7884 goto fail;
4e5cb1a3
JM		 7885 nla_nest_end(msg, band);
7886
7887 nla_nest_end(msg, bands);
7888
7889 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM		 7890 if (ret) {
7891 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
7892 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 7893 } else
7894 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 7895
7896 return ret;
7897
a862e4a3 7898fail:
4e5cb1a3
JM		 7899 nlmsg_free(msg);
7900 return -1;
7901}
7902
7903
af473088
JM		 7904static int wpa_driver_nl80211_deinit_ap(void *priv)
7905{
a2e40bb6
FF		 7906 struct i802_bss *bss = priv;
7907 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 7908 if (!is_ap_interface(drv->nlmode))
af473088 7909 return -1;
a70cd0db 7910 wpa_driver_nl80211_del_beacon(bss);
9bc5cfa3 7911 bss->beacon_set = 0;
60b13c20
IP		 7912
7913 /*
7914 * If the P2P GO interface was dynamically added, then it is
7915 * possible that the interface change to station is not possible.
7916 */
7917 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
7918 return 0;
7919
b1f625e0 7920 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 7921}
7922
7923
695c7038
SW		 7924static int wpa_driver_nl80211_stop_ap(void *priv)
7925{
7926 struct i802_bss *bss = priv;
7927 struct wpa_driver_nl80211_data *drv = bss->drv;
7928 if (!is_ap_interface(drv->nlmode))
7929 return -1;
a70cd0db 7930 wpa_driver_nl80211_del_beacon(bss);
695c7038
SW		 7931 bss->beacon_set = 0;
7932 return 0;
7933}
7934
7935
3c29244e
EP		 7936static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
7937{
7938 struct i802_bss *bss = priv;
7939 struct wpa_driver_nl80211_data *drv = bss->drv;
7940 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
7941 return -1;
60b13c20
IP		 7942
7943 /*
7944 * If the P2P Client interface was dynamically added, then it is
7945 * possible that the interface change to station is not possible.
7946 */
7947 if (bss->if_dynamic)
7948 return 0;
7949
3c29244e
EP		 7950 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7951}
7952
7953
207ef3fb
JM		 7954static void wpa_driver_nl80211_resume(void *priv)
7955{
a2e40bb6 7956 struct i802_bss *bss = priv;
e8dc205f 7957 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
91724d6f
AS		 7958
7959 if (i802_set_iface_flags(bss, 1))
7960 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
e8dc205f
AO		 7961
7962 if (is_p2p_net_interface(nlmode))
7963 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
207ef3fb
JM		 7964}
7965
7966
b625473c
JM		 7967static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
7968{
7969 struct i802_bss *bss = priv;
7970 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 7971 struct nl_msg *msg;
7972 struct nlattr *cqm;
b625473c
JM		 7973
7974 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
7975 "hysteresis=%d", threshold, hysteresis);
7976
13f83980 7977 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM		 7978 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
7979 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
7980 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
7981 nlmsg_free(msg);
7982 return -1;
7983 }
8970bae8 7984 nla_nest_end(msg, cqm);
21270bb4 7985
a862e4a3 7986 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 7987}
7988
7989
2cc8d8f4
AO		 7990static int get_channel_width(struct nl_msg *msg, void *arg)
7991{
7992 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7993 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7994 struct wpa_signal_info *sig_change = arg;
7995
7996 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7997 genlmsg_attrlen(gnlh, 0), NULL);
7998
7999 sig_change->center_frq1 = -1;
8000 sig_change->center_frq2 = -1;
8001 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
8002
8003 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
8004 sig_change->chanwidth = convert2width(
8005 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
8006 if (tb[NL80211_ATTR_CENTER_FREQ1])
8007 sig_change->center_frq1 =
8008 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
8009 if (tb[NL80211_ATTR_CENTER_FREQ2])
8010 sig_change->center_frq2 =
8011 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
8012 }
8013
8014 return NL_SKIP;
8015}
8016
8017
8018static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
8019 struct wpa_signal_info *sig)
8020{
8021 struct nl_msg *msg;
8022
9725b784 8023 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 8024 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO		 8025}
8026
8027
1c5c7273
PS		 8028static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
8029{
8030 struct i802_bss *bss = priv;
8031 struct wpa_driver_nl80211_data *drv = bss->drv;
8032 int res;
8033
8034 os_memset(si, 0, sizeof(*si));
8035 res = nl80211_get_link_signal(drv, si);
1d6955e6
JM		 8036 if (res) {
8037 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
8038 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
8039 return res;
8040 si->current_signal = 0;
8041 }
1c5c7273 8042
2cc8d8f4
AO		 8043 res = nl80211_get_channel_width(drv, si);
8044 if (res != 0)
8045 return res;
8046
1c5c7273
PS		 8047 return nl80211_get_link_noise(drv, si);
8048}
8049
8050
c55f774d
JM		 8051static int nl80211_set_param(void *priv, const char *param)
8052{
ef24ad3e
JM		 8053 struct i802_bss *bss = priv;
8054 struct wpa_driver_nl80211_data *drv = bss->drv;
8055
c55f774d
JM		 8056 if (param == NULL)
8057 return 0;
99a94f55 8058 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
c55f774d
JM		 8059
8060#ifdef CONFIG_P2P
8061 if (os_strstr(param, "use_p2p_group_interface=1")) {
8062 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
8063 "interface");
8064 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
8065 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
8066 }
8067#endif /* CONFIG_P2P */
8068
ef24ad3e 8069 if (os_strstr(param, "use_monitor=1"))
327b01d3 8070 drv->use_monitor = 1;
327b01d3
JM		 8071
8072 if (os_strstr(param, "force_connect_cmd=1")) {
327b01d3 8073 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 8074 drv->force_connect_cmd = 1;
327b01d3
JM		 8075 }
8076
ef24ad3e 8077 if (os_strstr(param, "force_bss_selection=1"))
4d584d8c 8078 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
4d584d8c 8079
64abb725 8080 if (os_strstr(param, "no_offchannel_tx=1")) {
64abb725
JM		 8081 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
8082 drv->test_use_roc_tx = 1;
8083 }
8084
c52129be
JM		 8085 if (os_strstr(param, "control_port=0"))
8086 drv->capa.flags &= ~WPA_DRIVER_FLAGS_CONTROL_PORT;
8087
c55f774d
JM		 8088 return 0;
8089}
8090
8091
45e3fc72 8092static void * nl80211_global_init(void *ctx)
f2ed8023
JM		 8093{
8094 struct nl80211_global *global;
36d84860
BG		 8095 struct netlink_config *cfg;
8096
f2ed8023
JM		 8097 global = os_zalloc(sizeof(*global));
8098 if (global == NULL)
8099 return NULL;
45e3fc72 8100 global->ctx = ctx;
c81eff1a 8101 global->ioctl_sock = -1;
f2ed8023 8102 dl_list_init(&global->interfaces);
ff6a158b 8103 global->if_add_ifindex = -1;
36d84860
BG		 8104
8105 cfg = os_zalloc(sizeof(*cfg));
8106 if (cfg == NULL)
8107 goto err;
8108
8109 cfg->ctx = global;
8110 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
8111 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
8112 global->netlink = netlink_init(cfg);
8113 if (global->netlink == NULL) {
8114 os_free(cfg);
8115 goto err;
8116 }
8117
2a7b66f5
BG		 8118 if (wpa_driver_nl80211_init_nl_global(global) < 0)
8119 goto err;
8120
c81eff1a
BG		 8121 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
8122 if (global->ioctl_sock < 0) {
7ac3616d
JM		 8123 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
8124 strerror(errno));
c81eff1a
BG		 8125 goto err;
8126 }
8127
f2ed8023 8128 return global;
36d84860
BG		 8129
8130err:
8131 nl80211_global_deinit(global);
8132 return NULL;
f2ed8023
JM		 8133}
8134
8135
8136static void nl80211_global_deinit(void *priv)
8137{
8138 struct nl80211_global *global = priv;
8139 if (global == NULL)
8140 return;
8141 if (!dl_list_empty(&global->interfaces)) {
8142 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
8143 "nl80211_global_deinit",
8144 dl_list_len(&global->interfaces));
8145 }
36d84860
BG		 8146
8147 if (global->netlink)
8148 netlink_deinit(global->netlink);
8149
276e2d67
BG		 8150 nl_destroy_handles(&global->nl);
8151
5f65e9f7 8152 if (global->nl_event)
40a68f33 8153 nl80211_destroy_eloop_handle(&global->nl_event, 0);
d6c9aab8
JB		 8154
8155 nl_cb_put(global->nl_cb);
2a7b66f5 8156
c81eff1a
BG		 8157 if (global->ioctl_sock >= 0)
8158 close(global->ioctl_sock);
8159
f2ed8023
JM		 8160 os_free(global);
8161}
8162
8163
6859f1cb
BG		 8164static const char * nl80211_get_radio_name(void *priv)
8165{
8166 struct i802_bss *bss = priv;
8167 struct wpa_driver_nl80211_data *drv = bss->drv;
8168 return drv->phyname;
8169}
8170
8171
061a3d3d
VK		 8172static int nl80211_pmkid(struct i802_bss *bss, int cmd,
8173 struct wpa_pmkid_params *params)
a6efc65d
JM		 8174{
8175 struct nl_msg *msg;
0887215d 8176 const size_t PMK_MAX_LEN = 48; /* current cfg80211 limit */
a6efc65d 8177
13f83980 8178 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
061a3d3d
VK		 8179 (params->pmkid &&
8180 nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
8181 (params->bssid &&
8182 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
8183 (params->ssid_len &&
8184 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
8185 (params->fils_cache_id &&
8186 nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
8187 params->fils_cache_id)) ||
c6ec9759 8188 (cmd != NL80211_CMD_DEL_PMKSA &&
8189 params->pmk_len && params->pmk_len <= PMK_MAX_LEN &&
061a3d3d 8190 nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
6110753b 8191 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 8192 nlmsg_free(msg);
8193 return -ENOBUFS;
8194 }
a6efc65d 8195
6110753b 8196 return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1);
a6efc65d
JM		 8197}
8198
8199
6fbb5414 8200static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 8201{
8202 struct i802_bss *bss = priv;
e7f6e6ee 8203 int ret;
061a3d3d
VK		 8204
8205 if (params->bssid)
8206 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
8207 MAC2STR(params->bssid));
8208 else if (params->fils_cache_id && params->ssid_len) {
8209 wpa_printf(MSG_DEBUG,
8210 "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
8211 params->fils_cache_id[0], params->fils_cache_id[1],
8212 wpa_ssid_txt(params->ssid, params->ssid_len));
8213 }
8214
e7f6e6ee
JM		 8215 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params);
8216 if (ret < 0) {
8217 wpa_printf(MSG_DEBUG,
8218 "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)",
8219 ret, strerror(-ret));
8220 }
8221
8222 return ret;
a6efc65d
JM		 8223}
8224
8225
6fbb5414 8226static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 8227{
8228 struct i802_bss *bss = priv;
e7f6e6ee 8229 int ret;
061a3d3d
VK		 8230
8231 if (params->bssid)
8232 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
8233 MAC2STR(params->bssid));
8234 else if (params->fils_cache_id && params->ssid_len) {
8235 wpa_printf(MSG_DEBUG,
8236 "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
8237 params->fils_cache_id[0], params->fils_cache_id[1],
8238 wpa_ssid_txt(params->ssid, params->ssid_len));
8239 }
8240
e7f6e6ee
JM		 8241 ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params);
8242 if (ret < 0) {
8243 wpa_printf(MSG_DEBUG,
8244 "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)",
8245 ret, strerror(-ret));
8246 }
8247
8248 return ret;
a6efc65d
JM		 8249}
8250
8251
8252static int nl80211_flush_pmkid(void *priv)
8253{
8254 struct i802_bss *bss = priv;
061a3d3d
VK		 8255 struct nl_msg *msg;
8256
a6efc65d 8257 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
061a3d3d
VK		 8258 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
8259 if (!msg)
8260 return -ENOBUFS;
8261 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 8262}
8263
8264
0185007c
MK		 8265static void clean_survey_results(struct survey_results *survey_results)
8266{
8267 struct freq_survey *survey, *tmp;
8268
8269 if (dl_list_empty(&survey_results->survey_list))
8270 return;
8271
8272 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
8273 struct freq_survey, list) {
8274 dl_list_del(&survey->list);
8275 os_free(survey);
8276 }
8277}
8278
8279
8280static void add_survey(struct nlattr **sinfo, u32 ifidx,
8281 struct dl_list *survey_list)
8282{
8283 struct freq_survey *survey;
8284
8285 survey = os_zalloc(sizeof(struct freq_survey));
8286 if (!survey)
8287 return;
8288
8289 survey->ifidx = ifidx;
8290 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8291 survey->filled = 0;
8292
8293 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
8294 survey->nf = (int8_t)
8295 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
8296 survey->filled |= SURVEY_HAS_NF;
8297 }
8298
8299 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
8300 survey->channel_time =
8301 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
8302 survey->filled |= SURVEY_HAS_CHAN_TIME;
8303 }
8304
8305 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
8306 survey->channel_time_busy =
8307 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
8308 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
8309 }
8310
8311 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
8312 survey->channel_time_rx =
8313 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
8314 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
8315 }
8316
8317 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
8318 survey->channel_time_tx =
8319 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
8320 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
8321 }
8322
8323 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)",
8324 survey->freq,
8325 survey->nf,
8326 (unsigned long int) survey->channel_time,
8327 (unsigned long int) survey->channel_time_busy,
8328 (unsigned long int) survey->channel_time_tx,
8329 (unsigned long int) survey->channel_time_rx,
8330 survey->filled);
8331
8332 dl_list_add_tail(survey_list, &survey->list);
8333}
8334
8335
8336static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
8337 unsigned int freq_filter)
8338{
8339 if (!freq_filter)
8340 return 1;
8341
8342 return freq_filter == surveyed_freq;
8343}
8344
8345
8346static int survey_handler(struct nl_msg *msg, void *arg)
8347{
8348 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8349 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8350 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
8351 struct survey_results *survey_results;
8352 u32 surveyed_freq = 0;
8353 u32 ifidx;
8354
8355 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
8356 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
8357 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
8358 };
8359
8360 survey_results = (struct survey_results *) arg;
8361
8362 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8363 genlmsg_attrlen(gnlh, 0), NULL);
8364
e28f39b7
SJ		 8365 if (!tb[NL80211_ATTR_IFINDEX])
8366 return NL_SKIP;
8367
0185007c
MK		 8368 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
8369
8370 if (!tb[NL80211_ATTR_SURVEY_INFO])
8371 return NL_SKIP;
8372
8373 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
8374 tb[NL80211_ATTR_SURVEY_INFO],
8375 survey_policy))
8376 return NL_SKIP;
8377
8378 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
8379 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
8380 return NL_SKIP;
8381 }
8382
8383 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8384
8385 if (!check_survey_ok(sinfo, surveyed_freq,
8386 survey_results->freq_filter))
8387 return NL_SKIP;
8388
8389 if (survey_results->freq_filter &&
8390 survey_results->freq_filter != surveyed_freq) {
8391 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
8392 surveyed_freq);
8393 return NL_SKIP;
8394 }
8395
8396 add_survey(sinfo, ifidx, &survey_results->survey_list);
8397
8398 return NL_SKIP;
8399}
8400
8401
8402static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
8403{
8404 struct i802_bss *bss = priv;
8405 struct wpa_driver_nl80211_data *drv = bss->drv;
8406 struct nl_msg *msg;
9725b784 8407 int err;
0185007c
MK		 8408 union wpa_event_data data;
8409 struct survey_results *survey_results;
8410
8411 os_memset(&data, 0, sizeof(data));
8412 survey_results = &data.survey_results;
8413
8414 dl_list_init(&survey_results->survey_list);
8415
9725b784 8416 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 8417 if (!msg)
a862e4a3 8418 return -ENOBUFS;
0185007c 8419
0185007c
MK		 8420 if (freq)
8421 data.survey_results.freq_filter = freq;
8422
8423 do {
8424 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
8425 err = send_and_recv_msgs(drv, msg, survey_handler,
8426 survey_results);
8427 } while (err > 0);
8428
a862e4a3 8429 if (err)
0185007c 8430 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM		 8431 else
8432 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 8433
0185007c 8434 clean_survey_results(survey_results);
0185007c
MK		 8435 return err;
8436}
8437
8438
98cd3d1c
JM		 8439static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
8440 const u8 *kck, size_t kck_len,
b14a210c
JB		 8441 const u8 *replay_ctr)
8442{
8443 struct i802_bss *bss = priv;
8444 struct wpa_driver_nl80211_data *drv = bss->drv;
8445 struct nlattr *replay_nested;
8446 struct nl_msg *msg;
64ae2447 8447 int ret;
b14a210c 8448
64ae2447
JM		 8449 if (!drv->set_rekey_offload)
8450 return;
8451
8452 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
13f83980 8453 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3 8454 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
98cd3d1c 8455 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
b6ea7642 8456 (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
a862e4a3
JM		 8457 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
8458 replay_ctr)) {
bbd89bfc 8459 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 8460 nlmsg_free(msg);
8461 return;
8462 }
b14a210c
JB		 8463
8464 nla_nest_end(msg, replay_nested);
8465
64ae2447
JM		 8466 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
8467 if (ret == -EOPNOTSUPP) {
8468 wpa_printf(MSG_DEBUG,
8469 "nl80211: Driver does not support rekey offload");
8470 drv->set_rekey_offload = 0;
8471 }
b14a210c
JB		 8472}
8473
8474
39718852
JB		 8475static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
8476 const u8 *addr, int qos)
bcf24348 8477{
39718852
JB		 8478 /* send data frame to poll STA and check whether
8479 * this frame is ACKed */
bcf24348
JB		 8480 struct {
8481 struct ieee80211_hdr hdr;
8482 u16 qos_ctl;
8483 } STRUCT_PACKED nulldata;
8484 size_t size;
8485
8486 /* Send data frame to poll STA and check whether this frame is ACKed */
8487
8488 os_memset(&nulldata, 0, sizeof(nulldata));
8489
8490 if (qos) {
8491 nulldata.hdr.frame_control =
8492 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8493 WLAN_FC_STYPE_QOS_NULL);
8494 size = sizeof(nulldata);
8495 } else {
8496 nulldata.hdr.frame_control =
8497 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8498 WLAN_FC_STYPE_NULLFUNC);
8499 size = sizeof(struct ieee80211_hdr);
8500 }
8501
8502 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
8503 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
8504 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
8505 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
8506
9ebce9c5 8507 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
27cc06d0 8508 0, 0, NULL, 0, 0) < 0)
bcf24348
JB		 8509 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
8510 "send poll frame");
8511}
8512
39718852
JB		 8513static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
8514 int qos)
8515{
8516 struct i802_bss *bss = priv;
8517 struct wpa_driver_nl80211_data *drv = bss->drv;
8518 struct nl_msg *msg;
323a51cc 8519 u64 cookie;
fc99fab7 8520 int ret;
39718852
JB		 8521
8522 if (!drv->poll_command_supported) {
8523 nl80211_send_null_frame(bss, own_addr, addr, qos);
8524 return;
8525 }
8526
13f83980 8527 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM		 8528 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8529 nlmsg_free(msg);
8530 return;
8531 }
39718852 8532
323a51cc 8533 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
fc99fab7
JM		 8534 if (ret < 0) {
8535 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
8536 MACSTR " failed: ret=%d (%s)",
8537 MAC2STR(addr), ret, strerror(-ret));
323a51cc
IP		 8538 } else {
8539 wpa_printf(MSG_DEBUG,
8540 "nl80211: Client probe request addr=" MACSTR
8541 " cookie=%llu", MAC2STR(addr),
8542 (long long unsigned int) cookie);
fc99fab7 8543 }
39718852
JB		 8544}
8545
bcf24348 8546
29f338af
JM		 8547static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
8548{
8549 struct nl_msg *msg;
1baa130b 8550 int ret;
29f338af 8551
13f83980 8552 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM		 8553 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
8554 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
8555 nlmsg_free(msg);
8556 return -ENOBUFS;
8557 }
1baa130b
JM		 8558
8559 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8560 if (ret < 0) {
8561 wpa_printf(MSG_DEBUG,
8562 "nl80211: Setting PS state %s failed: %d (%s)",
8563 enabled ? "enabled" : "disabled",
8564 ret, strerror(-ret));
8565 }
8566 return ret;
29f338af
JM		 8567}
8568
8569
8570static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
8571 int ctwindow)
8572{
8573 struct i802_bss *bss = priv;
8574
8575 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
8576 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
8577
0de38036
JM		 8578 if (opp_ps != -1 || ctwindow != -1) {
8579#ifdef ANDROID_P2P
8580 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
8581#else /* ANDROID_P2P */
29f338af 8582 return -1; /* Not yet supported */
0de38036
JM		 8583#endif /* ANDROID_P2P */
8584 }
29f338af
JM		 8585
8586 if (legacy_ps == -1)
8587 return 0;
8588 if (legacy_ps != 0 && legacy_ps != 1)
8589 return -1; /* Not yet supported */
8590
8591 return nl80211_set_power_save(bss, legacy_ps);
8592}
8593
8594
04e8003c
JD		 8595static int nl80211_start_radar_detection(void *priv,
8596 struct hostapd_freq_params *freq)
f90e9c1c
SW		 8597{
8598 struct i802_bss *bss = priv;
8599 struct wpa_driver_nl80211_data *drv = bss->drv;
8600 struct nl_msg *msg;
8601 int ret;
8602
ad9a1bfe
JC		 8603 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)",
8604 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
04e8003c
JD		 8605 freq->bandwidth, freq->center_freq1, freq->center_freq2);
8606
f90e9c1c
SW		 8607 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
8608 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
8609 "detection");
8610 return -1;
8611 }
8612
9725b784 8613 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM		 8614 nl80211_put_freq_params(msg, freq) < 0) {
8615 nlmsg_free(msg);
8616 return -1;
8617 }
f90e9c1c
SW		 8618
8619 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8620 if (ret == 0)
8621 return 0;
8622 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
8623 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW		 8624 return -1;
8625}
8626
03ea1786
AN		 8627#ifdef CONFIG_TDLS
8628
8629static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
8630 u8 dialog_token, u16 status_code,
984dadc2
AN		 8631 u32 peer_capab, int initiator, const u8 *buf,
8632 size_t len)
03ea1786
AN		 8633{
8634 struct i802_bss *bss = priv;
8635 struct wpa_driver_nl80211_data *drv = bss->drv;
8636 struct nl_msg *msg;
8637
8638 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8639 return -EOPNOTSUPP;
8640
8641 if (!dst)
8642 return -EINVAL;
8643
9725b784 8644 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM		 8645 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
8646 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
8647 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
8648 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
8649 goto fail;
96ecea5e
SD		 8650 if (peer_capab) {
8651 /*
8652 * The internal enum tdls_peer_capability definition is
8653 * currently identical with the nl80211 enum
8654 * nl80211_tdls_peer_capability, so no conversion is needed
8655 * here.
8656 */
a862e4a3
JM		 8657 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
8658 peer_capab))
8659 goto fail;
96ecea5e 8660 }
a862e4a3
JM		 8661 if ((initiator &&
8662 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
8663 nla_put(msg, NL80211_ATTR_IE, len, buf))
8664 goto fail;
03ea1786
AN		 8665
8666 return send_and_recv_msgs(drv, msg, NULL, NULL);
8667
a862e4a3 8668fail:
03ea1786
AN		 8669 nlmsg_free(msg);
8670 return -ENOBUFS;
8671}
8672
8673
8674static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
8675{
8676 struct i802_bss *bss = priv;
8677 struct wpa_driver_nl80211_data *drv = bss->drv;
8678 struct nl_msg *msg;
8679 enum nl80211_tdls_operation nl80211_oper;
b2442f25 8680 int res;
03ea1786
AN		 8681
8682 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8683 return -EOPNOTSUPP;
8684
8685 switch (oper) {
8686 case TDLS_DISCOVERY_REQ:
8687 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
8688 break;
8689 case TDLS_SETUP:
8690 nl80211_oper = NL80211_TDLS_SETUP;
8691 break;
8692 case TDLS_TEARDOWN:
8693 nl80211_oper = NL80211_TDLS_TEARDOWN;
8694 break;
8695 case TDLS_ENABLE_LINK:
8696 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
8697 break;
8698 case TDLS_DISABLE_LINK:
8699 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
8700 break;
8701 case TDLS_ENABLE:
8702 return 0;
8703 case TDLS_DISABLE:
8704 return 0;
8705 default:
8706 return -EINVAL;
8707 }
8708
9725b784 8709 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 8710 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM		 8711 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
8712 nlmsg_free(msg);
8713 return -ENOBUFS;
8714 }
03ea1786 8715
b2442f25
JM		 8716 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8717 wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
8718 " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
8719 strerror(-res));
8720 return res;
03ea1786
AN		 8721}
8722
72b2605f
AN		 8723
8724static int
8725nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
8726 const struct hostapd_freq_params *params)
8727{
8728 struct i802_bss *bss = priv;
8729 struct wpa_driver_nl80211_data *drv = bss->drv;
8730 struct nl_msg *msg;
8731 int ret = -ENOBUFS;
8732
8733 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8734 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8735 return -EOPNOTSUPP;
8736
8737 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
8738 " oper_class=%u freq=%u",
8739 MAC2STR(addr), oper_class, params->freq);
8740 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
8741 if (!msg ||
8742 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8743 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
8744 (ret = nl80211_put_freq_params(msg, params))) {
8745 nlmsg_free(msg);
8746 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
8747 return ret;
8748 }
8749
8750 return send_and_recv_msgs(drv, msg, NULL, NULL);
8751}
8752
8753
8754static int
8755nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
8756{
8757 struct i802_bss *bss = priv;
8758 struct wpa_driver_nl80211_data *drv = bss->drv;
8759 struct nl_msg *msg;
8760
8761 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8762 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8763 return -EOPNOTSUPP;
8764
8765 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
8766 MAC2STR(addr));
8767 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
8768 if (!msg ||
8769 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8770 nlmsg_free(msg);
8771 wpa_printf(MSG_DEBUG,
8772 "nl80211: Could not build TDLS cancel chan switch");
8773 return -ENOBUFS;
8774 }
8775
8776 return send_and_recv_msgs(drv, msg, NULL, NULL);
8777}
8778
03ea1786
AN		 8779#endif /* CONFIG TDLS */
8780
8781
f8225464
JM		 8782static int driver_nl80211_set_key(void *priv,
8783 struct wpa_driver_set_key_params *params)
9ebce9c5
JM		 8784{
8785 struct i802_bss *bss = priv;
f8225464 8786
3df4c05a 8787 return wpa_driver_nl80211_set_key(bss, params);
9ebce9c5
JM		 8788}
8789
8790
8791static int driver_nl80211_scan2(void *priv,
8792 struct wpa_driver_scan_params *params)
8793{
8794 struct i802_bss *bss = priv;
b658547d 8795#ifdef CONFIG_DRIVER_NL80211_QCA
adcd7c4b
KV		 8796 struct wpa_driver_nl80211_data *drv = bss->drv;
8797
8798 /*
8799 * Do a vendor specific scan if possible. If only_new_results is
8800 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
8801 * cannot be achieved through a vendor scan. The below condition may
8802 * need to be modified if new scan flags are added in the future whose
8803 * functionality can only be achieved through a normal scan.
8804 */
8805 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
8806 return wpa_driver_nl80211_vendor_scan(bss, params);
b658547d 8807#endif /* CONFIG_DRIVER_NL80211_QCA */
9ebce9c5
JM		 8808 return wpa_driver_nl80211_scan(bss, params);
8809}
8810
8811
8812static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
4be17ffb 8813 u16 reason_code)
9ebce9c5
JM		 8814{
8815 struct i802_bss *bss = priv;
8816 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
8817}
8818
8819
8820static int driver_nl80211_authenticate(void *priv,
8821 struct wpa_driver_auth_params *params)
8822{
8823 struct i802_bss *bss = priv;
8824 return wpa_driver_nl80211_authenticate(bss, params);
8825}
8826
8827
8828static void driver_nl80211_deinit(void *priv)
8829{
8830 struct i802_bss *bss = priv;
8831 wpa_driver_nl80211_deinit(bss);
8832}
8833
8834
8835static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
8836 const char *ifname)
8837{
8838 struct i802_bss *bss = priv;
8839 return wpa_driver_nl80211_if_remove(bss, type, ifname);
8840}
8841
8842
8843static int driver_nl80211_send_mlme(void *priv, const u8 *data,
5d180a77 8844 size_t data_len, int noack,
2d3943ce 8845 unsigned int freq,
665a3007
JM		 8846 const u16 *csa_offs, size_t csa_offs_len,
8847 int no_encrypt)
9ebce9c5
JM		 8848{
8849 struct i802_bss *bss = priv;
8850 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
2d3943ce 8851 freq, 0, 0, 0, csa_offs,
27cc06d0 8852 csa_offs_len, no_encrypt);
9ebce9c5
JM		 8853}
8854
8855
8856static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
8857{
8858 struct i802_bss *bss = priv;
59d7148a 8859 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 8860}
8861
8862
9ebce9c5
JM		 8863static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
8864 const char *ifname, int vlan_id)
8865{
8866 struct i802_bss *bss = priv;
8867 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
8868}
9ebce9c5
JM		 8869
8870
8871static int driver_nl80211_read_sta_data(void *priv,
8872 struct hostap_sta_driver_data *data,
8873 const u8 *addr)
8874{
8875 struct i802_bss *bss = priv;
7824bf77
JC		 8876
8877 os_memset(data, 0, sizeof(*data));
9ebce9c5
JM		 8878 return i802_read_sta_data(bss, data, addr);
8879}
8880
8881
8882static int driver_nl80211_send_action(void *priv, unsigned int freq,
8883 unsigned int wait_time,
8884 const u8 *dst, const u8 *src,
8885 const u8 *bssid,
8886 const u8 *data, size_t data_len,
8887 int no_cck)
8888{
8889 struct i802_bss *bss = priv;
8890 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
8891 bssid, data, data_len, no_cck);
8892}
8893
8894
8895static int driver_nl80211_probe_req_report(void *priv, int report)
8896{
8897 struct i802_bss *bss = priv;
8898 return wpa_driver_nl80211_probe_req_report(bss, report);
8899}
8900
8901
6a1ce395
DG		 8902static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
8903 const u8 *ies, size_t ies_len)
8904{
8905 int ret;
8906 struct nl_msg *msg;
8907 struct i802_bss *bss = priv;
8908 struct wpa_driver_nl80211_data *drv = bss->drv;
8909 u16 mdid = WPA_GET_LE16(md);
8910
6a1ce395 8911 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 8912 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM		 8913 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
8914 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
8915 nlmsg_free(msg);
8916 return -ENOBUFS;
8917 }
6a1ce395
DG		 8918
8919 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8920 if (ret) {
8921 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
8922 "err=%d (%s)", ret, strerror(-ret));
8923 }
8924
8925 return ret;
6a1ce395
DG		 8926}
8927
8928
d1836e23
LD		 8929static int nl80211_update_dh_ie(void *priv, const u8 *peer_mac,
8930 u16 reason_code, const u8 *ie, size_t ie_len)
8931{
8932 int ret;
8933 struct nl_msg *msg;
8934 struct i802_bss *bss = priv;
8935 struct wpa_driver_nl80211_data *drv = bss->drv;
8936
8937 wpa_printf(MSG_DEBUG, "nl80211: Updating DH IE peer: " MACSTR
8938 " reason %u", MAC2STR(peer_mac), reason_code);
8939 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UPDATE_OWE_INFO)) ||
8940 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_mac) ||
8941 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, reason_code) ||
8942 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) {
8943 nlmsg_free(msg);
8944 return -ENOBUFS;
8945 }
8946
8947 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8948 if (ret) {
8949 wpa_printf(MSG_DEBUG,
8950 "nl80211: update_dh_ie failed err=%d (%s)",
8951 ret, strerror(-ret));
8952 }
8953
8954 return ret;
8955}
8956
8957
47754718 8958static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
597b94f5
AS		 8959{
8960 struct i802_bss *bss = priv;
8961 struct wpa_driver_nl80211_data *drv = bss->drv;
8962
8963 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
8964 return NULL;
8965
8966 return bss->addr;
8967}
8968
8969
a771c07d
JM		 8970static const char * scan_state_str(enum scan_states scan_state)
8971{
8972 switch (scan_state) {
8973 case NO_SCAN:
8974 return "NO_SCAN";
8975 case SCAN_REQUESTED:
8976 return "SCAN_REQUESTED";
8977 case SCAN_STARTED:
8978 return "SCAN_STARTED";
8979 case SCAN_COMPLETED:
8980 return "SCAN_COMPLETED";
8981 case SCAN_ABORTED:
8982 return "SCAN_ABORTED";
8983 case SCHED_SCAN_STARTED:
8984 return "SCHED_SCAN_STARTED";
8985 case SCHED_SCAN_STOPPED:
8986 return "SCHED_SCAN_STOPPED";
8987 case SCHED_SCAN_RESULTS:
8988 return "SCHED_SCAN_RESULTS";
8989 }
8990
8991 return "??";
8992}
8993
8994
8995static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
8996{
8997 struct i802_bss *bss = priv;
8998 struct wpa_driver_nl80211_data *drv = bss->drv;
8999 int res;
9000 char *pos, *end;
fea49f8f
JM		 9001 struct nl_msg *msg;
9002 char alpha2[3] = { 0, 0, 0 };
a771c07d
JM		 9003
9004 pos = buf;
9005 end = buf + buflen;
9006
9007 res = os_snprintf(pos, end - pos,
9008 "ifindex=%d\n"
9009 "ifname=%s\n"
9010 "brname=%s\n"
9011 "addr=" MACSTR "\n"
9012 "freq=%d\n"
c809756f 9013 "%s%s%s%s%s%s",
a771c07d
JM		 9014 bss->ifindex,
9015 bss->ifname,
9016 bss->brname,
9017 MAC2STR(bss->addr),
9018 bss->freq,
9019 bss->beacon_set ? "beacon_set=1\n" : "",
9020 bss->added_if_into_bridge ?
9021 "added_if_into_bridge=1\n" : "",
c809756f 9022 bss->already_in_bridge ? "already_in_bridge=1\n" : "",
a771c07d
JM		 9023 bss->added_bridge ? "added_bridge=1\n" : "",
9024 bss->in_deinit ? "in_deinit=1\n" : "",
9025 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 9026 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9027 return pos - buf;
9028 pos += res;
9029
9030 if (bss->wdev_id_set) {
9031 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
9032 (unsigned long long) bss->wdev_id);
d85e1fc8 9033 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9034 return pos - buf;
9035 pos += res;
9036 }
9037
9038 res = os_snprintf(pos, end - pos,
9039 "phyname=%s\n"
fee354c7 9040 "perm_addr=" MACSTR "\n"
a771c07d
JM		 9041 "drv_ifindex=%d\n"
9042 "operstate=%d\n"
9043 "scan_state=%s\n"
9044 "auth_bssid=" MACSTR "\n"
9045 "auth_attempt_bssid=" MACSTR "\n"
9046 "bssid=" MACSTR "\n"
9047 "prev_bssid=" MACSTR "\n"
9048 "associated=%d\n"
9049 "assoc_freq=%u\n"
9050 "monitor_sock=%d\n"
9051 "monitor_ifidx=%d\n"
9052 "monitor_refcount=%d\n"
9053 "last_mgmt_freq=%u\n"
9054 "eapol_tx_sock=%d\n"
97752f79 9055 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 9056 drv->phyname,
fee354c7 9057 MAC2STR(drv->perm_addr),
a771c07d
JM		 9058 drv->ifindex,
9059 drv->operstate,
9060 scan_state_str(drv->scan_state),
9061 MAC2STR(drv->auth_bssid),
9062 MAC2STR(drv->auth_attempt_bssid),
9063 MAC2STR(drv->bssid),
9064 MAC2STR(drv->prev_bssid),
9065 drv->associated,
9066 drv->assoc_freq,
9067 drv->monitor_sock,
9068 drv->monitor_ifidx,
9069 drv->monitor_refcount,
9070 drv->last_mgmt_freq,
9071 drv->eapol_tx_sock,
9072 drv->ignore_if_down_event ?
9073 "ignore_if_down_event=1\n" : "",
9074 drv->scan_complete_events ?
9075 "scan_complete_events=1\n" : "",
9076 drv->disabled_11b_rates ?
9077 "disabled_11b_rates=1\n" : "",
9078 drv->pending_remain_on_chan ?
9079 "pending_remain_on_chan=1\n" : "",
9080 drv->in_interface_list ? "in_interface_list=1\n" : "",
9081 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
9082 drv->poll_command_supported ?
9083 "poll_command_supported=1\n" : "",
9084 drv->data_tx_status ? "data_tx_status=1\n" : "",
9085 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
9086 drv->retry_auth ? "retry_auth=1\n" : "",
9087 drv->use_monitor ? "use_monitor=1\n" : "",
9088 drv->ignore_next_local_disconnect ?
9089 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 9090 drv->ignore_next_local_deauth ?
97752f79 9091 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 9092 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9093 return pos - buf;
9094 pos += res;
9095
9096 if (drv->has_capability) {
9097 res = os_snprintf(pos, end - pos,
9098 "capa.key_mgmt=0x%x\n"
9099 "capa.enc=0x%x\n"
9100 "capa.auth=0x%x\n"
24bd4e0b 9101 "capa.flags=0x%llx\n"
a0a34d53 9102 "capa.rrm_flags=0x%x\n"
a771c07d
JM		 9103 "capa.max_scan_ssids=%d\n"
9104 "capa.max_sched_scan_ssids=%d\n"
9105 "capa.sched_scan_supported=%d\n"
9106 "capa.max_match_sets=%d\n"
9107 "capa.max_remain_on_chan=%u\n"
9108 "capa.max_stations=%u\n"
9109 "capa.probe_resp_offloads=0x%x\n"
9110 "capa.max_acl_mac_addrs=%u\n"
86056fea
IP		 9111 "capa.num_multichan_concurrent=%u\n"
9112 "capa.mac_addr_rand_sched_scan_supported=%d\n"
079a28f7
AK		 9113 "capa.mac_addr_rand_scan_supported=%d\n"
9114 "capa.conc_capab=%u\n"
9115 "capa.max_conc_chan_2_4=%u\n"
09ea4309
AS		 9116 "capa.max_conc_chan_5_0=%u\n"
9117 "capa.max_sched_scan_plans=%u\n"
9118 "capa.max_sched_scan_plan_interval=%u\n"
9119 "capa.max_sched_scan_plan_iterations=%u\n",
a771c07d
JM		 9120 drv->capa.key_mgmt,
9121 drv->capa.enc,
9122 drv->capa.auth,
24bd4e0b 9123 (unsigned long long) drv->capa.flags,
a0a34d53 9124 drv->capa.rrm_flags,
a771c07d
JM		 9125 drv->capa.max_scan_ssids,
9126 drv->capa.max_sched_scan_ssids,
9127 drv->capa.sched_scan_supported,
9128 drv->capa.max_match_sets,
9129 drv->capa.max_remain_on_chan,
9130 drv->capa.max_stations,
9131 drv->capa.probe_resp_offloads,
9132 drv->capa.max_acl_mac_addrs,
86056fea
IP		 9133 drv->capa.num_multichan_concurrent,
9134 drv->capa.mac_addr_rand_sched_scan_supported,
079a28f7
AK		 9135 drv->capa.mac_addr_rand_scan_supported,
9136 drv->capa.conc_capab,
9137 drv->capa.max_conc_chan_2_4,
09ea4309
AS		 9138 drv->capa.max_conc_chan_5_0,
9139 drv->capa.max_sched_scan_plans,
9140 drv->capa.max_sched_scan_plan_interval,
9141 drv->capa.max_sched_scan_plan_iterations);
d85e1fc8 9142 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9143 return pos - buf;
9144 pos += res;
9145 }
9146
fea49f8f
JM		 9147 msg = nlmsg_alloc();
9148 if (msg &&
9149 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
9150 nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
9151 if (send_and_recv_msgs(drv, msg, nl80211_get_country,
9152 alpha2) == 0 &&
9153 alpha2[0]) {
9154 res = os_snprintf(pos, end - pos, "country=%s\n",
9155 alpha2);
9156 if (os_snprintf_error(end - pos, res))
9157 return pos - buf;
9158 pos += res;
9159 }
9160 } else {
9161 nlmsg_free(msg);
9162 }
9163
a771c07d
JM		 9164 return pos - buf;
9165}
9166
9167
1c4ffa87
AO		 9168static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
9169{
a862e4a3
JM		 9170 if ((settings->head &&
9171 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
9172 settings->head_len, settings->head)) ||
9173 (settings->tail &&
9174 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
9175 settings->tail_len, settings->tail)) ||
9176 (settings->beacon_ies &&
9177 nla_put(msg, NL80211_ATTR_IE,
9178 settings->beacon_ies_len, settings->beacon_ies)) ||
9179 (settings->proberesp_ies &&
9180 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
9181 settings->proberesp_ies_len, settings->proberesp_ies)) ||
9182 (settings->assocresp_ies &&
9183 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
9184 settings->assocresp_ies_len, settings->assocresp_ies)) ||
9185 (settings->probe_resp &&
9186 nla_put(msg, NL80211_ATTR_PROBE_RESP,
9187 settings->probe_resp_len, settings->probe_resp)))
9188 return -ENOBUFS;
1c4ffa87
AO		 9189
9190 return 0;
1c4ffa87
AO		 9191}
9192
9193
9194static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
9195{
9196 struct nl_msg *msg;
9197 struct i802_bss *bss = priv;
9198 struct wpa_driver_nl80211_data *drv = bss->drv;
9199 struct nlattr *beacon_csa;
9200 int ret = -ENOBUFS;
366179d2
AO		 9201 int csa_off_len = 0;
9202 int i;
1c4ffa87 9203
8d1fdde7 9204 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 9205 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 9206 settings->freq_params.freq, settings->freq_params.bandwidth,
9207 settings->freq_params.center_freq1,
9208 settings->freq_params.center_freq2);
1c4ffa87 9209
991aa9c7 9210 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 9211 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
9212 return -EOPNOTSUPP;
9213 }
9214
0928b629
PO		 9215 if (drv->nlmode != NL80211_IFTYPE_AP &&
9216 drv->nlmode != NL80211_IFTYPE_P2P_GO &&
9217 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
1c4ffa87
AO		 9218 return -EOPNOTSUPP;
9219
366179d2
AO		 9220 /*
9221 * Remove empty counters, assuming Probe Response and Beacon frame
9222 * counters match. This implementation assumes that there are only two
9223 * counters.
9224 */
9225 if (settings->counter_offset_beacon[0] &&
9226 !settings->counter_offset_beacon[1]) {
9227 csa_off_len = 1;
9228 } else if (settings->counter_offset_beacon[1] &&
9229 !settings->counter_offset_beacon[0]) {
9230 csa_off_len = 1;
9231 settings->counter_offset_beacon[0] =
9232 settings->counter_offset_beacon[1];
9233 settings->counter_offset_presp[0] =
9234 settings->counter_offset_presp[1];
9235 } else if (settings->counter_offset_beacon[1] &&
9236 settings->counter_offset_beacon[0]) {
9237 csa_off_len = 2;
9238 } else {
9239 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
9240 return -EINVAL;
9241 }
9242
9243 /* Check CSA counters validity */
9244 if (drv->capa.max_csa_counters &&
9245 csa_off_len > drv->capa.max_csa_counters) {
9246 wpa_printf(MSG_ERROR,
9247 "nl80211: Too many CSA counters provided");
1c4ffa87 9248 return -EINVAL;
366179d2 9249 }
1c4ffa87 9250
366179d2 9251 if (!settings->beacon_csa.tail)
1c4ffa87
AO		 9252 return -EINVAL;
9253
366179d2
AO		 9254 for (i = 0; i < csa_off_len; i++) {
9255 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
9256 u16 csa_c_off_presp = settings->counter_offset_presp[i];
9257
9258 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
9259 (settings->beacon_csa.tail[csa_c_off_bcn] !=
9260 settings->cs_count))
9261 return -EINVAL;
9262
9263 if (settings->beacon_csa.probe_resp &&
9264 ((settings->beacon_csa.probe_resp_len <=
9265 csa_c_off_presp) ||
9266 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
9267 settings->cs_count)))
9268 return -EINVAL;
9269 }
9270
13f83980 9271 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM		 9272 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
9273 settings->cs_count) ||
9274 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
9275 (settings->block_tx &&
9276 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO		 9277 goto error;
9278
1c4ffa87
AO		 9279 /* beacon_after params */
9280 ret = set_beacon_data(msg, &settings->beacon_after);
9281 if (ret)
9282 goto error;
9283
9284 /* beacon_csa params */
9285 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
9286 if (!beacon_csa)
a862e4a3 9287 goto fail;
1c4ffa87
AO		 9288
9289 ret = set_beacon_data(msg, &settings->beacon_csa);
9290 if (ret)
9291 goto error;
9292
366179d2
AO		 9293 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
9294 csa_off_len * sizeof(u16),
9295 settings->counter_offset_beacon) ||
a862e4a3 9296 (settings->beacon_csa.probe_resp &&
366179d2
AO		 9297 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
9298 csa_off_len * sizeof(u16),
9299 settings->counter_offset_presp)))
a862e4a3 9300 goto fail;
1c4ffa87
AO		 9301
9302 nla_nest_end(msg, beacon_csa);
9303 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9304 if (ret) {
9305 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
9306 ret, strerror(-ret));
9307 }
9308 return ret;
9309
a862e4a3 9310fail:
1c4ffa87
AO		 9311 ret = -ENOBUFS;
9312error:
9313 nlmsg_free(msg);
9314 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
9315 return ret;
9316}
9317
9318
dfa87878
MB		 9319static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
9320 u8 user_priority, u16 admitted_time)
9321{
9322 struct i802_bss *bss = priv;
9323 struct wpa_driver_nl80211_data *drv = bss->drv;
9324 struct nl_msg *msg;
9325 int ret;
9326
9327 wpa_printf(MSG_DEBUG,
9328 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
9329 tsid, admitted_time, user_priority);
9330
9331 if (!is_sta_interface(drv->nlmode))
9332 return -ENOTSUP;
9333
56f77852
JM		 9334 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
9335 if (!msg ||
a862e4a3
JM		 9336 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9337 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9338 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
9339 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
9340 nlmsg_free(msg);
9341 return -ENOBUFS;
9342 }
dfa87878
MB		 9343
9344 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9345 if (ret)
9346 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
9347 ret, strerror(-ret));
9348 return ret;
dfa87878
MB		 9349}
9350
9351
9352static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
9353{
9354 struct i802_bss *bss = priv;
9355 struct wpa_driver_nl80211_data *drv = bss->drv;
9356 struct nl_msg *msg;
9357 int ret;
9358
9359 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
9360
9361 if (!is_sta_interface(drv->nlmode))
9362 return -ENOTSUP;
9363
56f77852 9364 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM		 9365 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9366 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
9367 nlmsg_free(msg);
9368 return -ENOBUFS;
9369 }
dfa87878
MB		 9370
9371 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9372 if (ret)
9373 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
9374 ret, strerror(-ret));
9375 return ret;
dfa87878
MB		 9376}
9377
9378
6b9f7af6
JM		 9379#ifdef CONFIG_TESTING_OPTIONS
9380static int cmd_reply_handler(struct nl_msg *msg, void *arg)
9381{
9382 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9383 struct wpabuf *buf = arg;
9384
9385 if (!buf)
9386 return NL_SKIP;
9387
9388 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
9389 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
9390 return NL_SKIP;
9391 }
9392
9393 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
9394 genlmsg_attrlen(gnlh, 0));
9395
9396 return NL_SKIP;
9397}
9398#endif /* CONFIG_TESTING_OPTIONS */
9399
9400
adef8948
BL		 9401static int vendor_reply_handler(struct nl_msg *msg, void *arg)
9402{
9403 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9404 struct nlattr *nl_vendor_reply, *nl;
9405 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9406 struct wpabuf *buf = arg;
9407 int rem;
9408
9409 if (!buf)
9410 return NL_SKIP;
9411
9412 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9413 genlmsg_attrlen(gnlh, 0), NULL);
9414 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
9415
9416 if (!nl_vendor_reply)
9417 return NL_SKIP;
9418
9419 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
9420 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
9421 return NL_SKIP;
9422 }
9423
9424 nla_for_each_nested(nl, nl_vendor_reply, rem) {
9425 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
9426 }
9427
9428 return NL_SKIP;
9429}
9430
9431
9432static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
9433 unsigned int subcmd, const u8 *data,
9434 size_t data_len, struct wpabuf *buf)
9435{
9436 struct i802_bss *bss = priv;
9437 struct wpa_driver_nl80211_data *drv = bss->drv;
9438 struct nl_msg *msg;
9439 int ret;
9440
6b9f7af6
JM		 9441#ifdef CONFIG_TESTING_OPTIONS
9442 if (vendor_id == 0xffffffff) {
56f77852
JM		 9443 msg = nlmsg_alloc();
9444 if (!msg)
9445 return -ENOMEM;
9446
6b9f7af6
JM		 9447 nl80211_cmd(drv, msg, 0, subcmd);
9448 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
9449 0)
a862e4a3 9450 goto fail;
6b9f7af6
JM		 9451 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
9452 if (ret)
9453 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
9454 ret);
9455 return ret;
9456 }
9457#endif /* CONFIG_TESTING_OPTIONS */
9458
56f77852 9459 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9460 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
9461 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
9462 (data &&
9463 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
9464 goto fail;
adef8948
BL		 9465
9466 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
9467 if (ret)
9468 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
9469 ret);
9470 return ret;
9471
a862e4a3 9472fail:
adef8948
BL		 9473 nlmsg_free(msg);
9474 return -ENOBUFS;
9475}
9476
9477
049105b4
KP		 9478static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
9479 u8 qos_map_set_len)
9480{
9481 struct i802_bss *bss = priv;
9482 struct wpa_driver_nl80211_data *drv = bss->drv;
9483 struct nl_msg *msg;
9484 int ret;
9485
049105b4
KP		 9486 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
9487 qos_map_set, qos_map_set_len);
9488
9725b784 9489 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM		 9490 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
9491 nlmsg_free(msg);
9492 return -ENOBUFS;
9493 }
049105b4
KP		 9494
9495 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9496 if (ret)
9497 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
9498
9499 return ret;
049105b4
KP		 9500}
9501
9502
82ba4f2d
MC		 9503static int get_wowlan_handler(struct nl_msg *msg, void *arg)
9504{
9505 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9506 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9507 int *wowlan_enabled = arg;
9508
9509 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9510 genlmsg_attrlen(gnlh, 0), NULL);
9511
9512 *wowlan_enabled = !!tb[NL80211_ATTR_WOWLAN_TRIGGERS];
9513
9514 return NL_SKIP;
9515}
9516
9517
9518static int nl80211_get_wowlan(void *priv)
9519{
9520 struct i802_bss *bss = priv;
9521 struct wpa_driver_nl80211_data *drv = bss->drv;
9522 struct nl_msg *msg;
9523 int wowlan_enabled;
9524 int ret;
9525
9526 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status");
9527
9528 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_WOWLAN);
9529
9530 ret = send_and_recv_msgs(drv, msg, get_wowlan_handler, &wowlan_enabled);
9531 if (ret) {
9532 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status failed");
9533 return 0;
9534 }
9535
9536 wpa_printf(MSG_DEBUG, "nl80211: wowlan is %s",
9537 wowlan_enabled ? "enabled" : "disabled");
9538
9539 return wowlan_enabled;
9540}
9541
9542
e4fa8b12
EP		 9543static int nl80211_set_wowlan(void *priv,
9544 const struct wowlan_triggers *triggers)
9545{
9546 struct i802_bss *bss = priv;
9547 struct wpa_driver_nl80211_data *drv = bss->drv;
9548 struct nl_msg *msg;
9549 struct nlattr *wowlan_triggers;
9550 int ret;
9551
e4fa8b12
EP		 9552 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
9553
1ac977bd 9554 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM		 9555 !(wowlan_triggers = nla_nest_start(msg,
9556 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
9557 (triggers->any &&
9558 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
9559 (triggers->disconnect &&
9560 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
9561 (triggers->magic_pkt &&
9562 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
9563 (triggers->gtk_rekey_failure &&
9564 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
9565 (triggers->eap_identity_req &&
9566 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
9567 (triggers->four_way_handshake &&
9568 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
9569 (triggers->rfkill_release &&
9570 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
9571 nlmsg_free(msg);
9572 return -ENOBUFS;
9573 }
e4fa8b12
EP		 9574
9575 nla_nest_end(msg, wowlan_triggers);
9576
9577 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9578 if (ret)
9579 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
9580
9581 return ret;
e4fa8b12
EP		 9582}
9583
9584
b658547d 9585#ifdef CONFIG_DRIVER_NL80211_QCA
0800f9ee
JM		 9586static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
9587{
9588 struct i802_bss *bss = priv;
9589 struct wpa_driver_nl80211_data *drv = bss->drv;
9590 struct nl_msg *msg;
9591 struct nlattr *params;
9592
9593 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
9594
9595 if (!drv->roaming_vendor_cmd_avail) {
9596 wpa_printf(MSG_DEBUG,
9597 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
9598 return -1;
9599 }
9600
9725b784 9601 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9602 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9603 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9604 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
9605 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9606 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
9607 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
9608 QCA_ROAMING_NOT_ALLOWED) ||
9609 (bssid &&
9610 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
9611 nlmsg_free(msg);
9612 return -1;
9613 }
0800f9ee
JM		 9614 nla_nest_end(msg, params);
9615
9616 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee 9617}
b04854ce
AP		 9618
9619
d98038bb 9620static int nl80211_disable_fils(void *priv, int disable)
9621{
9622 struct i802_bss *bss = priv;
9623 struct wpa_driver_nl80211_data *drv = bss->drv;
9624 struct nl_msg *msg;
9625 struct nlattr *params;
9626
9627 wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable);
9628
9629 if (!drv->set_wifi_conf_vendor_cmd_avail)
9630 return -1;
9631
9632 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9633 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9634 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9635 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
9636 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9637 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS,
9638 disable)) {
9639 nlmsg_free(msg);
9640 return -1;
9641 }
9642 nla_nest_end(msg, params);
9643
9644 return send_and_recv_msgs(drv, msg, NULL, NULL);
9645}
9646
9647
b04854ce
AP		 9648/* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
9649#define WPA_SUPPLICANT_CLIENT_ID 1
9650
9651static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid,
9652 const u8 *bssid)
9653{
9654 struct i802_bss *bss = priv;
9655 struct wpa_driver_nl80211_data *drv = bss->drv;
9656 struct nl_msg *msg;
9657 struct nlattr *params, *nlbssids, *attr;
9658 unsigned int i;
9659
9660 wpa_printf(MSG_DEBUG, "nl80211: Set blacklist BSSID (num=%u)",
9661 num_bssid);
9662
9663 if (!drv->roam_vendor_cmd_avail)
9664 return -1;
9665
9666 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9667 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9668 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9669 QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
9670 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9671 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
1425caac 9672 QCA_WLAN_VENDOR_ROAMING_SUBCMD_SET_BLACKLIST_BSSID) ||
b04854ce
AP		 9673 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
9674 WPA_SUPPLICANT_CLIENT_ID) ||
9675 nla_put_u32(msg,
9676 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
9677 num_bssid))
9678 goto fail;
9679
9680 nlbssids = nla_nest_start(
9681 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
9682 if (!nlbssids)
9683 goto fail;
9684
9685 for (i = 0; i < num_bssid; i++) {
9686 attr = nla_nest_start(msg, i);
9687 if (!attr)
9688 goto fail;
9689 if (nla_put(msg,
9690 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
9691 ETH_ALEN, &bssid[i * ETH_ALEN]))
9692 goto fail;
9693 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i,
9694 MAC2STR(&bssid[i * ETH_ALEN]));
9695 nla_nest_end(msg, attr);
9696 }
9697 nla_nest_end(msg, nlbssids);
9698 nla_nest_end(msg, params);
9699
9700 return send_and_recv_msgs(drv, msg, NULL, NULL);
9701
9702fail:
9703 nlmsg_free(msg);
9704 return -1;
9705}
9706
df3b2e22
SSG		 9707
9708static int nl80211_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
9709{
9710 struct i802_bss *bss = priv;
9711 struct wpa_driver_nl80211_data *drv = bss->drv;
9712 struct nl_msg *msg;
9713 struct nlattr *params;
9714
9715 if (!drv->add_sta_node_vendor_cmd_avail)
9716 return -EOPNOTSUPP;
9717
9718 wpa_printf(MSG_DEBUG, "nl80211: Add STA node");
9719
9720 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9721 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9722 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9723 QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE) ||
9724 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9725 (addr &&
9726 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_MAC_ADDR, ETH_ALEN,
9727 addr)) ||
9728 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_AUTH_ALGO,
9729 auth_alg)) {
9730 nlmsg_free(msg);
9731 wpa_printf(MSG_ERROR,
9732 "%s: err in adding vendor_cmd and vendor_data",
9733 __func__);
9734 return -1;
9735 }
9736 nla_nest_end(msg, params);
9737
9738 return send_and_recv_msgs(drv, msg, NULL, NULL);
9739}
9740
b658547d 9741#endif /* CONFIG_DRIVER_NL80211_QCA */
0800f9ee
JM		 9742
9743
fee354c7
JM		 9744static int nl80211_set_mac_addr(void *priv, const u8 *addr)
9745{
9746 struct i802_bss *bss = priv;
9747 struct wpa_driver_nl80211_data *drv = bss->drv;
9748 int new_addr = addr != NULL;
9749
9ce3e610
JM		 9750 if (TEST_FAIL())
9751 return -1;
9752
fee354c7
JM		 9753 if (!addr)
9754 addr = drv->perm_addr;
9755
9756 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
9757 return -1;
9758
9759 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
9760 {
9761 wpa_printf(MSG_DEBUG,
9762 "nl80211: failed to set_mac_addr for %s to " MACSTR,
9763 bss->ifname, MAC2STR(addr));
9764 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
9765 1) < 0) {
9766 wpa_printf(MSG_DEBUG,
9767 "nl80211: Could not restore interface UP after failed set_mac_addr");
9768 }
9769 return -1;
9770 }
9771
9772 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
9773 bss->ifname, MAC2STR(addr));
9774 drv->addr_changed = new_addr;
9775 os_memcpy(bss->addr, addr, ETH_ALEN);
9776
9777 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
9778 {
9779 wpa_printf(MSG_DEBUG,
9780 "nl80211: Could not restore interface UP after set_mac_addr");
9781 }
9782
9783 return 0;
9784}
9785
9786
6c1664f6
BC		 9787#ifdef CONFIG_MESH
9788
9789static int wpa_driver_nl80211_init_mesh(void *priv)
9790{
9791 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
9792 wpa_printf(MSG_INFO,
9793 "nl80211: Failed to set interface into mesh mode");
9794 return -1;
9795 }
9796 return 0;
9797}
9798
9799
21c74e84
JM		 9800static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
9801 size_t mesh_id_len)
9802{
9803 if (mesh_id) {
21cd8f83
JM		 9804 wpa_printf(MSG_DEBUG, " * Mesh ID (SSID)=%s",
9805 wpa_ssid_txt(mesh_id, mesh_id_len));
21c74e84
JM		 9806 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
9807 }
9808
9809 return 0;
9810}
9811
9812
4ffb3f87
MH		 9813static int nl80211_put_mesh_config(struct nl_msg *msg,
9814 struct wpa_driver_mesh_bss_params *params)
9815{
9816 struct nlattr *container;
9817
9818 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
9819 if (!container)
9820 return -1;
9821
2bd62171 9822 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
963d3149
JM		 9823 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
9824 params->auto_plinks)) ||
2bd62171
MH		 9825 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
9826 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
31a856a1
MH		 9827 params->max_peer_links)) ||
9828 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
9829 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
9830 params->rssi_threshold)))
4ffb3f87
MH		 9831 return -1;
9832
9833 /*
9834 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
9835 * the timer could disconnect stations even in that case.
9836 */
2bd62171
MH		 9837 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
9838 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4ffb3f87
MH		 9839 params->peer_link_timeout)) {
9840 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
9841 return -1;
9842 }
9843
052b8d38
MH		 9844 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
9845 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
9846 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
9847 return -1;
9848 }
9849
4ffb3f87
MH		 9850 nla_nest_end(msg, container);
9851
9852 return 0;
9853}
9854
9855
0cb5f8d9 9856static int nl80211_join_mesh(struct i802_bss *bss,
6c1664f6
BC		 9857 struct wpa_driver_mesh_join_params *params)
9858{
6c1664f6
BC		 9859 struct wpa_driver_nl80211_data *drv = bss->drv;
9860 struct nl_msg *msg;
9861 struct nlattr *container;
7451a217 9862 int ret = -1;
6c1664f6 9863
6c1664f6 9864 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784 9865 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
f7e889fa
JM		 9866 if (!msg ||
9867 nl80211_put_freq_params(msg, &params->freq) ||
21c74e84
JM		 9868 nl80211_put_basic_rates(msg, params->basic_rates) ||
9869 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
4ac2ea57
MH		 9870 nl80211_put_beacon_int(msg, params->beacon_int) ||
9871 nl80211_put_dtim_period(msg, params->dtim_period))
85e1fad8 9872 goto fail;
9c58c5f7 9873
6c1664f6
BC		 9874 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
9875
9876 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
9877 if (!container)
a862e4a3 9878 goto fail;
6c1664f6
BC		 9879
9880 if (params->ies) {
9881 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM		 9882 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
9883 params->ies))
9884 goto fail;
6c1664f6
BC		 9885 }
9886 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
9887 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM		 9888 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
9889 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
9890 goto fail;
6c1664f6 9891 }
a862e4a3
JM		 9892 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
9893 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
9894 goto fail;
9895 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
9896 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
9897 goto fail;
6c1664f6
BC		 9898 nla_nest_end(msg, container);
9899
2bd62171
MH		 9900 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
9901 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
9902 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
4ffb3f87 9903 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
5a2a6de6 9904 goto fail;
6c1664f6
BC		 9905
9906 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9907 msg = NULL;
9908 if (ret) {
9909 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
9910 ret, strerror(-ret));
a862e4a3 9911 goto fail;
6c1664f6
BC		 9912 }
9913 ret = 0;
92a515b8 9914 drv->assoc_freq = bss->freq = params->freq.freq;
6c1664f6
BC		 9915 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
9916
a862e4a3 9917fail:
6c1664f6
BC		 9918 nlmsg_free(msg);
9919 return ret;
9920}
9921
9922
0cb5f8d9
MH		 9923static int
9924wpa_driver_nl80211_join_mesh(void *priv,
9925 struct wpa_driver_mesh_join_params *params)
9926{
9927 struct i802_bss *bss = priv;
9928 int ret, timeout;
9929
9930 timeout = params->conf.peer_link_timeout;
9931
9932 /* Disable kernel inactivity timer */
9933 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
9934 params->conf.peer_link_timeout = 0;
9935
9936 ret = nl80211_join_mesh(bss, params);
9937 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
9938 wpa_printf(MSG_DEBUG,
9939 "nl80211: Mesh join retry for peer_link_timeout");
9940 /*
9941 * Old kernel does not support setting
9942 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
9943 * into future from peer_link_timeout.
9944 */
9945 params->conf.peer_link_timeout = timeout + 60;
9946 ret = nl80211_join_mesh(priv, params);
9947 }
9948
9949 params->conf.peer_link_timeout = timeout;
9950 return ret;
9951}
9952
9953
6c1664f6
BC		 9954static int wpa_driver_nl80211_leave_mesh(void *priv)
9955{
9956 struct i802_bss *bss = priv;
9957 struct wpa_driver_nl80211_data *drv = bss->drv;
9958 struct nl_msg *msg;
9725b784 9959 int ret;
6c1664f6
BC		 9960
9961 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 9962 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 9963 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC		 9964 if (ret) {
9965 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
9966 ret, strerror(-ret));
a862e4a3
JM		 9967 } else {
9968 wpa_printf(MSG_DEBUG,
9969 "nl80211: mesh leave request send successfully");
6c1664f6 9970 }
6c1664f6 9971
f33c82d2
JM		 9972 if (wpa_driver_nl80211_set_mode(drv->first_bss,
9973 NL80211_IFTYPE_STATION)) {
9974 wpa_printf(MSG_INFO,
9975 "nl80211: Failed to set interface into station mode");
9976 }
6c1664f6
BC		 9977 return ret;
9978}
9979
c36109e4
PKC		 9980
9981static int nl80211_probe_mesh_link(void *priv, const u8 *addr, const u8 *eth,
9982 size_t len)
9983{
9984 struct i802_bss *bss = priv;
9985 struct wpa_driver_nl80211_data *drv = bss->drv;
9986 struct nl_msg *msg;
9987 int ret;
9988
9989 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_PROBE_MESH_LINK);
9990 if (!msg ||
9991 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9992 nla_put(msg, NL80211_ATTR_FRAME, len, eth)) {
9993 nlmsg_free(msg);
9994 return -ENOBUFS;
9995 }
9996
9997 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9998 if (ret) {
9999 wpa_printf(MSG_DEBUG, "nl80211: mesh link probe to " MACSTR
10000 " failed: ret=%d (%s)",
10001 MAC2STR(addr), ret, strerror(-ret));
10002 } else {
10003 wpa_printf(MSG_DEBUG, "nl80211: Mesh link to " MACSTR
10004 " probed successfully", MAC2STR(addr));
10005 }
10006
10007 return ret;
10008}
10009
6c1664f6
BC		 10010#endif /* CONFIG_MESH */
10011
10012
ed4ddb6d
KP		 10013static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
10014 const u8 *ipaddr, int prefixlen,
10015 const u8 *addr)
71103bed
KP		 10016{
10017#ifdef CONFIG_LIBNL3_ROUTE
10018 struct i802_bss *bss = priv;
10019 struct wpa_driver_nl80211_data *drv = bss->drv;
10020 struct rtnl_neigh *rn;
10021 struct nl_addr *nl_ipaddr = NULL;
10022 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 10023 int family, addrsize;
71103bed
KP		 10024 int res;
10025
ed4ddb6d 10026 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP		 10027 return -EINVAL;
10028
10029 if (bss->br_ifindex == 0) {
10030 wpa_printf(MSG_DEBUG,
10031 "nl80211: bridge must be set before adding an ip neigh to it");
10032 return -1;
10033 }
10034
10035 if (!drv->rtnl_sk) {
10036 wpa_printf(MSG_DEBUG,
10037 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
10038 return -1;
10039 }
10040
ed4ddb6d
KP		 10041 if (version == 4) {
10042 family = AF_INET;
10043 addrsize = 4;
10044 } else if (version == 6) {
10045 family = AF_INET6;
10046 addrsize = 16;
10047 } else {
10048 return -EINVAL;
10049 }
10050
71103bed
KP		 10051 rn = rtnl_neigh_alloc();
10052 if (rn == NULL)
10053 return -ENOMEM;
10054
10055 /* set the destination ip address for neigh */
ed4ddb6d 10056 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 10057 if (nl_ipaddr == NULL) {
10058 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
10059 res = -ENOMEM;
10060 goto errout;
10061 }
10062 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
10063 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
10064 if (res) {
10065 wpa_printf(MSG_DEBUG,
10066 "nl80211: neigh set destination addr failed");
10067 goto errout;
10068 }
10069
10070 /* set the corresponding lladdr for neigh */
10071 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
10072 if (nl_lladdr == NULL) {
10073 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
10074 res = -ENOMEM;
10075 goto errout;
10076 }
10077 rtnl_neigh_set_lladdr(rn, nl_lladdr);
10078
10079 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
10080 rtnl_neigh_set_state(rn, NUD_PERMANENT);
10081
10082 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
10083 if (res) {
10084 wpa_printf(MSG_DEBUG,
10085 "nl80211: Adding bridge ip neigh failed: %s",
3ea58a05 10086 nl_geterror(res));
71103bed
KP		 10087 }
10088errout:
10089 if (nl_lladdr)
10090 nl_addr_put(nl_lladdr);
10091 if (nl_ipaddr)
10092 nl_addr_put(nl_ipaddr);
10093 if (rn)
10094 rtnl_neigh_put(rn);
10095 return res;
10096#else /* CONFIG_LIBNL3_ROUTE */
10097 return -1;
10098#endif /* CONFIG_LIBNL3_ROUTE */
10099}
10100
10101
ed4ddb6d
KP		 10102static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
10103 const u8 *ipaddr)
71103bed
KP		 10104{
10105#ifdef CONFIG_LIBNL3_ROUTE
10106 struct i802_bss *bss = priv;
10107 struct wpa_driver_nl80211_data *drv = bss->drv;
10108 struct rtnl_neigh *rn;
10109 struct nl_addr *nl_ipaddr;
ed4ddb6d 10110 int family, addrsize;
71103bed
KP		 10111 int res;
10112
ed4ddb6d 10113 if (!ipaddr)
71103bed
KP		 10114 return -EINVAL;
10115
ed4ddb6d
KP		 10116 if (version == 4) {
10117 family = AF_INET;
10118 addrsize = 4;
10119 } else if (version == 6) {
10120 family = AF_INET6;
10121 addrsize = 16;
10122 } else {
10123 return -EINVAL;
10124 }
10125
71103bed
KP		 10126 if (bss->br_ifindex == 0) {
10127 wpa_printf(MSG_DEBUG,
10128 "nl80211: bridge must be set to delete an ip neigh");
10129 return -1;
10130 }
10131
10132 if (!drv->rtnl_sk) {
10133 wpa_printf(MSG_DEBUG,
10134 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
10135 return -1;
10136 }
10137
10138 rn = rtnl_neigh_alloc();
10139 if (rn == NULL)
10140 return -ENOMEM;
10141
10142 /* set the destination ip address for neigh */
ed4ddb6d 10143 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 10144 if (nl_ipaddr == NULL) {
10145 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
10146 res = -ENOMEM;
10147 goto errout;
10148 }
10149 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
10150 if (res) {
10151 wpa_printf(MSG_DEBUG,
10152 "nl80211: neigh set destination addr failed");
10153 goto errout;
10154 }
10155
10156 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
10157
10158 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
10159 if (res) {
10160 wpa_printf(MSG_DEBUG,
10161 "nl80211: Deleting bridge ip neigh failed: %s",
3ea58a05 10162 nl_geterror(res));
71103bed
KP		 10163 }
10164errout:
10165 if (nl_ipaddr)
10166 nl_addr_put(nl_ipaddr);
10167 if (rn)
10168 rtnl_neigh_put(rn);
10169 return res;
10170#else /* CONFIG_LIBNL3_ROUTE */
10171 return -1;
10172#endif /* CONFIG_LIBNL3_ROUTE */
10173}
10174
10175
73d2294f
KP		 10176static int linux_write_system_file(const char *path, unsigned int val)
10177{
10178 char buf[50];
10179 int fd, len;
10180
10181 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 10182 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP		 10183 return -1;
10184
10185 fd = open(path, O_WRONLY);
10186 if (fd < 0)
10187 return -1;
10188
10189 if (write(fd, buf, len) < 0) {
10190 wpa_printf(MSG_DEBUG,
10191 "nl80211: Failed to write Linux system file: %s with the value of %d",
10192 path, val);
10193 close(fd);
10194 return -1;
10195 }
10196 close(fd);
10197
10198 return 0;
10199}
10200
10201
10202static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
10203{
10204 switch (attr) {
10205 case DRV_BR_PORT_ATTR_PROXYARP:
bea8d9a3 10206 return "proxyarp_wifi";
73d2294f
KP		 10207 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
10208 return "hairpin_mode";
10209 }
10210
10211 return NULL;
10212}
10213
10214
10215static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
10216 unsigned int val)
10217{
10218 struct i802_bss *bss = priv;
10219 char path[128];
10220 const char *attr_txt;
10221
10222 attr_txt = drv_br_port_attr_str(attr);
10223 if (attr_txt == NULL)
10224 return -EINVAL;
10225
10226 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
10227 bss->ifname, attr_txt);
10228
10229 if (linux_write_system_file(path, val))
10230 return -1;
10231
10232 return 0;
10233}
10234
10235
7565752d
KP		 10236static const char * drv_br_net_param_str(enum drv_br_net_param param)
10237{
10238 switch (param) {
10239 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10240 return "arp_accept";
60eb9e17
JM		 10241 default:
10242 return NULL;
7565752d 10243 }
7565752d
KP		 10244}
10245
10246
10247static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
10248 unsigned int val)
10249{
10250 struct i802_bss *bss = priv;
10251 char path[128];
10252 const char *param_txt;
10253 int ip_version = 4;
10254
60eb9e17
JM		 10255 if (param == DRV_BR_MULTICAST_SNOOPING) {
10256 os_snprintf(path, sizeof(path),
10257 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
10258 bss->brname);
10259 goto set_val;
10260 }
10261
7565752d
KP		 10262 param_txt = drv_br_net_param_str(param);
10263 if (param_txt == NULL)
10264 return -EINVAL;
10265
10266 switch (param) {
10267 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10268 ip_version = 4;
10269 break;
10270 default:
10271 return -EINVAL;
10272 }
10273
10274 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
10275 ip_version, bss->brname, param_txt);
10276
60eb9e17 10277set_val:
7565752d
KP		 10278 if (linux_write_system_file(path, val))
10279 return -1;
10280
10281 return 0;
10282}
10283
10284
b658547d
JM		 10285#ifdef CONFIG_DRIVER_NL80211_QCA
10286
16689c7c
PX		 10287static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
10288{
10289 switch (hw_mode) {
10290 case HOSTAPD_MODE_IEEE80211B:
10291 return QCA_ACS_MODE_IEEE80211B;
10292 case HOSTAPD_MODE_IEEE80211G:
10293 return QCA_ACS_MODE_IEEE80211G;
10294 case HOSTAPD_MODE_IEEE80211A:
10295 return QCA_ACS_MODE_IEEE80211A;
10296 case HOSTAPD_MODE_IEEE80211AD:
10297 return QCA_ACS_MODE_IEEE80211AD;
3784c058
PX		 10298 case HOSTAPD_MODE_IEEE80211ANY:
10299 return QCA_ACS_MODE_IEEE80211ANY;
16689c7c
PX		 10300 default:
10301 return -1;
10302 }
10303}
10304
10305
e86ba912
AB		 10306static int add_acs_ch_list(struct nl_msg *msg, const int *freq_list)
10307{
10308 int num_channels = 0, num_freqs;
10309 u8 *ch_list;
10310 enum hostapd_hw_mode hw_mode;
10311 int ret = 0;
10312 int i;
10313
10314 if (!freq_list)
10315 return 0;
10316
10317 num_freqs = int_array_len(freq_list);
10318 ch_list = os_malloc(sizeof(u8) * num_freqs);
10319 if (!ch_list)
10320 return -1;
10321
10322 for (i = 0; i < num_freqs; i++) {
10323 const int freq = freq_list[i];
10324
10325 if (freq == 0)
10326 break;
10327 /* Send 2.4 GHz and 5 GHz channels with
10328 * QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST to maintain backwards
10329 * compatibility.
10330 */
10331 if (!(freq >= 2412 && freq <= 2484) &&
10332 !(freq >= 5180 && freq <= 5900))
10333 continue;
10334 hw_mode = ieee80211_freq_to_chan(freq, &ch_list[num_channels]);
10335 if (hw_mode != NUM_HOSTAPD_MODES)
10336 num_channels++;
10337 }
10338
10339 if (num_channels)
10340 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST,
10341 num_channels, ch_list);
10342
10343 os_free(ch_list);
10344 return ret;
10345}
10346
10347
d0cdccd3
PX		 10348static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
10349{
10350 int i, len, ret;
10351 u32 *freqs;
10352
10353 if (!freq_list)
10354 return 0;
10355 len = int_array_len(freq_list);
10356 freqs = os_malloc(sizeof(u32) * len);
10357 if (!freqs)
10358 return -1;
10359 for (i = 0; i < len; i++)
10360 freqs[i] = freq_list[i];
10361 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
10362 sizeof(u32) * len, freqs);
10363 os_free(freqs);
10364 return ret;
10365}
10366
10367
16689c7c
PX		 10368static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
10369{
10370 struct i802_bss *bss = priv;
10371 struct wpa_driver_nl80211_data *drv = bss->drv;
10372 struct nl_msg *msg;
10373 struct nlattr *data;
a862e4a3 10374 int ret;
16689c7c
PX		 10375 int mode;
10376
10377 mode = hw_mode_to_qca_acs(params->hw_mode);
10378 if (mode < 0)
10379 return -1;
10380
9725b784 10381 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 10382 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10383 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10384 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
10385 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10386 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
10387 (params->ht_enabled &&
10388 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
10389 (params->ht40_enabled &&
857d9422
MM		 10390 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
10391 (params->vht_enabled &&
10392 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
10393 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
10394 params->ch_width) ||
e86ba912 10395 add_acs_ch_list(msg, params->freq_list) ||
d0cdccd3 10396 add_acs_freq_list(msg, params->freq_list)) {
a862e4a3
JM		 10397 nlmsg_free(msg);
10398 return -ENOBUFS;
10399 }
16689c7c
PX		 10400 nla_nest_end(msg, data);
10401
857d9422 10402 wpa_printf(MSG_DEBUG,
e86ba912 10403 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d",
857d9422 10404 params->hw_mode, params->ht_enabled, params->ht40_enabled,
e86ba912 10405 params->vht_enabled, params->ch_width);
857d9422 10406
16689c7c 10407 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX		 10408 if (ret) {
10409 wpa_printf(MSG_DEBUG,
10410 "nl80211: Failed to invoke driver ACS function: %s",
3ea58a05 10411 strerror(-ret));
16689c7c 10412 }
16689c7c
PX		 10413 return ret;
10414}
10415
10416
844dfeb8
SD		 10417static int nl80211_set_band(void *priv, enum set_band band)
10418{
10419 struct i802_bss *bss = priv;
10420 struct wpa_driver_nl80211_data *drv = bss->drv;
10421 struct nl_msg *msg;
10422 struct nlattr *data;
10423 int ret;
10424 enum qca_set_band qca_band;
10425
10426 if (!drv->setband_vendor_cmd_avail)
10427 return -1;
10428
10429 switch (band) {
10430 case WPA_SETBAND_AUTO:
10431 qca_band = QCA_SETBAND_AUTO;
10432 break;
10433 case WPA_SETBAND_5G:
10434 qca_band = QCA_SETBAND_5G;
10435 break;
10436 case WPA_SETBAND_2G:
10437 qca_band = QCA_SETBAND_2G;
10438 break;
10439 default:
10440 return -1;
10441 }
10442
10443 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10444 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10445 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10446 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
10447 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10448 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
10449 nlmsg_free(msg);
10450 return -ENOBUFS;
10451 }
10452 nla_nest_end(msg, data);
10453
10454 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10455 if (ret) {
10456 wpa_printf(MSG_DEBUG,
10457 "nl80211: Driver setband function failed: %s",
3ea58a05 10458 strerror(-ret));
844dfeb8
SD		 10459 }
10460 return ret;
10461}
10462
10463
98342208
AK		 10464struct nl80211_pcl {
10465 unsigned int num;
10466 unsigned int *freq_list;
10467};
10468
10469static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
10470{
10471 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10472 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10473 struct nl80211_pcl *param = arg;
10474 struct nlattr *nl_vend, *attr;
10475 enum qca_iface_type iface_type;
10476 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10477 unsigned int num, max_num;
10478 u32 *freqs;
10479
10480 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10481 genlmsg_attrlen(gnlh, 0), NULL);
10482
10483 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
10484 if (!nl_vend)
10485 return NL_SKIP;
10486
10487 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10488 nla_data(nl_vend), nla_len(nl_vend), NULL);
10489
10490 attr = tb_vendor[
10491 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
10492 if (!attr) {
10493 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
10494 param->num = 0;
10495 return NL_SKIP;
10496 }
10497
10498 iface_type = (enum qca_iface_type) nla_get_u32(attr);
10499 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
10500 iface_type);
10501
10502 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
10503 if (!attr) {
10504 wpa_printf(MSG_ERROR,
10505 "nl80211: preferred_freq_list couldn't be found");
10506 param->num = 0;
10507 return NL_SKIP;
10508 }
10509
10510 /*
10511 * param->num has the maximum number of entries for which there
10512 * is room in the freq_list provided by the caller.
10513 */
10514 freqs = nla_data(attr);
10515 max_num = nla_len(attr) / sizeof(u32);
10516 if (max_num > param->num)
10517 max_num = param->num;
10518 for (num = 0; num < max_num; num++)
10519 param->freq_list[num] = freqs[num];
10520 param->num = num;
10521
10522 return NL_SKIP;
10523}
10524
10525
10526static int nl80211_get_pref_freq_list(void *priv,
10527 enum wpa_driver_if_type if_type,
10528 unsigned int *num,
10529 unsigned int *freq_list)
10530{
10531 struct i802_bss *bss = priv;
10532 struct wpa_driver_nl80211_data *drv = bss->drv;
10533 struct nl_msg *msg;
10534 int ret;
10535 unsigned int i;
10536 struct nlattr *params;
10537 struct nl80211_pcl param;
10538 enum qca_iface_type iface_type;
10539
10540 if (!drv->get_pref_freq_list)
10541 return -1;
10542
10543 switch (if_type) {
10544 case WPA_IF_STATION:
10545 iface_type = QCA_IFACE_TYPE_STA;
10546 break;
10547 case WPA_IF_AP_BSS:
10548 iface_type = QCA_IFACE_TYPE_AP;
10549 break;
10550 case WPA_IF_P2P_GO:
10551 iface_type = QCA_IFACE_TYPE_P2P_GO;
10552 break;
10553 case WPA_IF_P2P_CLIENT:
10554 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
10555 break;
10556 case WPA_IF_IBSS:
10557 iface_type = QCA_IFACE_TYPE_IBSS;
10558 break;
10559 case WPA_IF_TDLS:
10560 iface_type = QCA_IFACE_TYPE_TDLS;
10561 break;
10562 default:
10563 return -1;
10564 }
10565
10566 param.num = *num;
10567 param.freq_list = freq_list;
10568
10569 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10570 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
10571 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10572 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10573 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
10574 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10575 nla_put_u32(msg,
10576 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
10577 iface_type)) {
10578 wpa_printf(MSG_ERROR,
10579 "%s: err in adding vendor_cmd and vendor_data",
10580 __func__);
10581 nlmsg_free(msg);
10582 return -1;
10583 }
10584 nla_nest_end(msg, params);
10585
10586 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
10587 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
10588 if (ret) {
10589 wpa_printf(MSG_ERROR,
10590 "%s: err in send_and_recv_msgs", __func__);
10591 return ret;
10592 }
10593
10594 *num = param.num;
10595
10596 for (i = 0; i < *num; i++) {
10597 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
10598 i, freq_list[i]);
10599 }
10600
10601 return 0;
10602}
10603
10604
7c813acf
AK		 10605static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
10606{
10607 struct i802_bss *bss = priv;
10608 struct wpa_driver_nl80211_data *drv = bss->drv;
10609 struct nl_msg *msg;
10610 int ret;
10611 struct nlattr *params;
10612
10613 if (!drv->set_prob_oper_freq)
10614 return -1;
10615
10616 wpa_printf(MSG_DEBUG,
10617 "nl80211: Set P2P probable operating freq %u for ifindex %d",
10618 freq, bss->ifindex);
10619
10620 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10621 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10622 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10623 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
10624 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10625 nla_put_u32(msg,
10626 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
10627 QCA_IFACE_TYPE_P2P_CLIENT) ||
10628 nla_put_u32(msg,
10629 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
10630 freq)) {
10631 wpa_printf(MSG_ERROR,
10632 "%s: err in adding vendor_cmd and vendor_data",
10633 __func__);
10634 nlmsg_free(msg);
10635 return -1;
10636 }
10637 nla_nest_end(msg, params);
10638
10639 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10640 msg = NULL;
10641 if (ret) {
10642 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
10643 __func__);
10644 return ret;
10645 }
10646 nlmsg_free(msg);
10647 return 0;
10648}
10649
a6f5b193
PX		 10650
10651static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
10652 unsigned int period, unsigned int interval,
10653 unsigned int count, const u8 *device_types,
10654 size_t dev_types_len,
10655 const u8 *ies, size_t ies_len)
10656{
10657 struct i802_bss *bss = priv;
10658 struct wpa_driver_nl80211_data *drv = bss->drv;
10659 struct nl_msg *msg;
10660 struct nlattr *container;
10661 int ret;
10662
10663 wpa_printf(MSG_DEBUG,
10664 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
10665 freq, period, interval, count);
10666
10667 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10668 return -1;
10669
10670 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10671 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10672 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10673 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
10674 goto fail;
10675
10676 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10677 if (!container)
10678 goto fail;
10679
10680 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
10681 freq) ||
10682 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
10683 period) ||
10684 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
10685 interval) ||
10686 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
10687 count) ||
10688 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
10689 dev_types_len, device_types) ||
10690 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
10691 ies_len, ies))
10692 goto fail;
10693
10694 nla_nest_end(msg, container);
10695 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10696 msg = NULL;
10697 if (ret) {
10698 wpa_printf(MSG_DEBUG,
10699 "nl80211: Failed to send P2P Listen offload vendor command");
10700 goto fail;
10701 }
10702
10703 return 0;
10704
10705fail:
10706 nlmsg_free(msg);
10707 return -1;
10708}
10709
10710
10711static int nl80211_p2p_lo_stop(void *priv)
10712{
10713 struct i802_bss *bss = priv;
10714 struct wpa_driver_nl80211_data *drv = bss->drv;
10715 struct nl_msg *msg;
10716
10717 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
10718
10719 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10720 return -1;
10721
10722 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10723 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10724 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10725 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
10726 nlmsg_free(msg);
10727 return -1;
10728 }
10729
10730 return send_and_recv_msgs(drv, msg, NULL, NULL);
10731}
10732
2e4e4fb7
SD		 10733
10734static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
10735{
10736 struct i802_bss *bss = priv;
10737 struct wpa_driver_nl80211_data *drv = bss->drv;
10738 struct nl_msg *msg;
10739 struct nlattr *params;
10740 int ret;
10741 u32 tdls_mode;
10742
10743 wpa_printf(MSG_DEBUG,
10744 "nl80211: Set TDKS mode: tdls_external_control=%d",
10745 tdls_external_control);
10746
10747 if (tdls_external_control == 1)
10748 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
10749 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
10750 else
10751 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
10752
10753 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10754 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10755 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10756 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
10757 goto fail;
10758
10759 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10760 if (!params)
10761 goto fail;
10762
10763 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
10764 tdls_mode))
10765 goto fail;
10766
10767 nla_nest_end(msg, params);
10768
10769 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10770 msg = NULL;
10771 if (ret) {
10772 wpa_printf(MSG_ERROR,
10773 "nl80211: Set TDLS mode failed: ret=%d (%s)",
10774 ret, strerror(-ret));
10775 goto fail;
10776 }
10777 return 0;
10778fail:
10779 nlmsg_free(msg);
10780 return -1;
10781}
10782
3ab48492
KV		 10783
10784#ifdef CONFIG_MBO
10785
10786static enum mbo_transition_reject_reason
10787nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
10788{
10789 switch (status) {
10790 case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
10791 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
10792 case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
10793 return MBO_TRANSITION_REJECT_REASON_DELAY;
10794 case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
10795 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
10796 case QCA_STATUS_REJECT_LOW_RSSI:
10797 return MBO_TRANSITION_REJECT_REASON_RSSI;
10798 case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
10799 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
10800 case QCA_STATUS_REJECT_UNKNOWN:
10801 default:
10802 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
10803 }
10804}
10805
10806
10807static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
10808 struct nlattr *tb[], int num)
10809{
10810 enum qca_wlan_btm_candidate_status status;
10811 char buf[50];
10812
10813 os_memcpy(candidate->bssid,
10814 nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
10815 ETH_ALEN);
10816
10817 status = nla_get_u32(
10818 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
10819 candidate->is_accept = status == QCA_STATUS_ACCEPT;
10820 candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
10821
10822 if (candidate->is_accept)
10823 os_snprintf(buf, sizeof(buf), "Accepted");
10824 else
10825 os_snprintf(buf, sizeof(buf),
10826 "Rejected, Reject_reason: %d",
10827 candidate->reject_reason);
10828 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s",
10829 num, MAC2STR(candidate->bssid), buf);
10830}
10831
10832
10833static int
10834nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
10835{
10836 struct wpa_bss_candidate_info *info = arg;
10837 struct candidate_list *candidate = info->candidates;
10838 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
10839 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10840 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
10841 static struct nla_policy policy[
10842 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
10843 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
10844 .minlen = ETH_ALEN
10845 },
10846 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
10847 .type = NLA_U32,
10848 },
10849 };
10850 struct nlattr *attr;
10851 int rem;
10852 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10853 u8 num;
10854
10855 num = info->num; /* number of candidates sent to driver */
10856 info->num = 0;
10857 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10858 genlmsg_attrlen(gnlh, 0), NULL);
10859
10860 if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
10861 nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10862 tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
10863 !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
10864 return NL_SKIP;
10865
10866 wpa_printf(MSG_DEBUG,
10867 "nl80211: WNM Candidate list received from driver");
10868 nla_for_each_nested(attr,
10869 tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
10870 rem) {
10871 if (info->num >= num ||
10872 nla_parse_nested(
10873 tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
10874 attr, policy) ||
10875 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
10876 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
10877 break;
10878
10879 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
10880
10881 candidate++;
10882 info->num++;
10883 }
10884
10885 return NL_SKIP;
10886}
10887
10888
10889static struct wpa_bss_candidate_info *
10890nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
10891{
10892 struct i802_bss *bss = priv;
10893 struct wpa_driver_nl80211_data *drv = bss->drv;
10894 struct nl_msg *msg;
10895 struct nlattr *attr, *attr1, *attr2;
10896 struct wpa_bss_candidate_info *info;
10897 u8 i;
10898 int ret;
10899 u8 *pos;
10900
10901 if (!drv->fetch_bss_trans_status)
10902 return NULL;
10903
10904 info = os_zalloc(sizeof(*info));
10905 if (!info)
10906 return NULL;
10907 /* Allocate memory for number of candidates sent to driver */
10908 info->candidates = os_calloc(params->n_candidates,
10909 sizeof(*info->candidates));
10910 if (!info->candidates) {
10911 os_free(info);
10912 return NULL;
10913 }
10914
10915 /* Copy the number of candidates being sent to driver. This is used in
10916 * nl80211_get_bss_transition_status_handler() to limit the number of
10917 * candidates that can be populated in info->candidates and will be
10918 * later overwritten with the actual number of candidates received from
10919 * the driver.
10920 */
10921 info->num = params->n_candidates;
10922
10923 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10924 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10925 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10926 QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
10927 goto fail;
10928
10929 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10930 if (!attr)
10931 goto fail;
10932
10933 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
10934 params->mbo_transition_reason))
10935 goto fail;
10936
10937 attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
10938 if (!attr1)
10939 goto fail;
10940
10941 wpa_printf(MSG_DEBUG,
10942 "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
10943 params->mbo_transition_reason, params->n_candidates);
10944 pos = params->bssid;
10945 for (i = 0; i < params->n_candidates; i++) {
10946 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i,
10947 MAC2STR(pos));
10948 attr2 = nla_nest_start(msg, i);
10949 if (!attr2 ||
10950 nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
10951 ETH_ALEN, pos))
10952 goto fail;
10953 pos += ETH_ALEN;
10954 nla_nest_end(msg, attr2);
10955 }
10956
10957 nla_nest_end(msg, attr1);
10958 nla_nest_end(msg, attr);
10959
10960 ret = send_and_recv_msgs(drv, msg,
10961 nl80211_get_bss_transition_status_handler,
10962 info);
10963 msg = NULL;
10964 if (ret) {
10965 wpa_printf(MSG_ERROR,
10966 "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
10967 ret, strerror(-ret));
10968 goto fail;
10969 }
10970 return info;
10971
10972fail:
10973 nlmsg_free(msg);
10974 os_free(info->candidates);
10975 os_free(info);
10976 return NULL;
10977}
10978
178553b7
VK		 10979
10980/**
10981 * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
10982 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
10983 * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
10984 * Returns: 0 on success, -1 on failure
10985 */
10986static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
10987{
10988 struct i802_bss *bss = priv;
10989 struct wpa_driver_nl80211_data *drv = bss->drv;
10990 struct nl_msg *msg;
10991 struct nlattr *attr;
10992 int ret = -1;
10993
10994 if (!drv->set_wifi_conf_vendor_cmd_avail)
10995 return -1;
10996
10997 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10998 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10999 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
11000 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
11001 goto fail;
11002
11003 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
11004 if (!attr)
11005 goto fail;
11006
11007 wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
11008 ignore_disallow);
11009 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
11010 ignore_disallow))
11011 goto fail;
11012
11013 nla_nest_end(msg, attr);
11014
11015 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11016 msg = NULL;
11017 if (ret) {
11018 wpa_printf(MSG_ERROR,
11019 "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
11020 ret, strerror(-ret));
11021 goto fail;
11022 }
11023
11024fail:
11025 nlmsg_free(msg);
11026 return ret;
11027}
11028
3ab48492
KV		 11029#endif /* CONFIG_MBO */
11030
b658547d
JM		 11031#endif /* CONFIG_DRIVER_NL80211_QCA */
11032
7c813acf 11033
6922d440
IP		 11034static int nl80211_write_to_file(const char *name, unsigned int val)
11035{
11036 int fd, len;
11037 char tmp[128];
3b726df8 11038 int ret = 0;
6922d440
IP		 11039
11040 fd = open(name, O_RDWR);
11041 if (fd < 0) {
3b726df8
BN		 11042 int level;
11043 /*
11044 * Flags may not exist on older kernels, or while we're tearing
11045 * down a disappearing device.
11046 */
11047 if (errno == ENOENT) {
11048 ret = 0;
11049 level = MSG_DEBUG;
11050 } else {
11051 ret = -1;
11052 level = MSG_ERROR;
11053 }
11054 wpa_printf(level, "nl80211: Failed to open %s: %s",
6922d440 11055 name, strerror(errno));
3b726df8 11056 return ret;
6922d440
IP		 11057 }
11058
11059 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
11060 len = write(fd, tmp, len);
3b726df8
BN		 11061 if (len < 0) {
11062 ret = -1;
6922d440
IP		 11063 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
11064 name, strerror(errno));
3b726df8 11065 }
6922d440
IP		 11066 close(fd);
11067
3b726df8 11068 return ret;
6922d440
IP		 11069}
11070
11071
11072static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
11073{
11074 struct i802_bss *bss = priv;
11075 char path[128];
11076 int ret;
11077
11078 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
11079 filter_flags);
11080
11081 /* Configure filtering of unicast frame encrypted using GTK */
11082 ret = os_snprintf(path, sizeof(path),
11083 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
11084 bss->ifname);
bd86ea08
JM		 11085 if (os_snprintf_error(sizeof(path), ret))
11086 return -1;
6922d440
IP		 11087
11088 ret = nl80211_write_to_file(path,
11089 !!(filter_flags &
11090 WPA_DATA_FRAME_FILTER_FLAG_GTK));
11091 if (ret) {
11092 wpa_printf(MSG_ERROR,
11093 "nl80211: Failed to set IPv4 unicast in multicast filter");
11094 return ret;
11095 }
11096
11097 os_snprintf(path, sizeof(path),
11098 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
11099 bss->ifname);
11100 ret = nl80211_write_to_file(path,
11101 !!(filter_flags &
11102 WPA_DATA_FRAME_FILTER_FLAG_GTK));
11103
11104 if (ret) {
11105 wpa_printf(MSG_ERROR,
11106 "nl80211: Failed to set IPv6 unicast in multicast filter");
11107 return ret;
11108 }
11109
11110 /* Configure filtering of unicast frame encrypted using GTK */
11111 os_snprintf(path, sizeof(path),
11112 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
11113 bss->ifname);
11114 ret = nl80211_write_to_file(path,
11115 !!(filter_flags &
11116 WPA_DATA_FRAME_FILTER_FLAG_ARP));
11117 if (ret) {
11118 wpa_printf(MSG_ERROR,
11119 "nl80211: Failed set gratuitous ARP filter");
11120 return ret;
11121 }
11122
11123 /* Configure filtering of IPv6 NA frames */
11124 os_snprintf(path, sizeof(path),
11125 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
11126 bss->ifname);
11127 ret = nl80211_write_to_file(path,
11128 !!(filter_flags &
11129 WPA_DATA_FRAME_FILTER_FLAG_NA));
11130 if (ret) {
11131 wpa_printf(MSG_ERROR,
11132 "nl80211: Failed to set unsolicited NA filter");
11133 return ret;
11134 }
11135
11136 return 0;
11137}
11138
11139
cc9a2575
KV		 11140static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
11141 const u8 **ext_capa, const u8 **ext_capa_mask,
11142 unsigned int *ext_capa_len)
11143{
11144 struct i802_bss *bss = priv;
11145 struct wpa_driver_nl80211_data *drv = bss->drv;
11146 enum nl80211_iftype nlmode;
11147 unsigned int i;
11148
11149 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
11150 return -1;
11151
11152 nlmode = wpa_driver_nl80211_if_type(type);
11153
11154 /* By default, use the per-radio values */
11155 *ext_capa = drv->extended_capa;
11156 *ext_capa_mask = drv->extended_capa_mask;
11157 *ext_capa_len = drv->extended_capa_len;
11158
11159 /* Replace the default value if a per-interface type value exists */
11160 for (i = 0; i < drv->num_iface_ext_capa; i++) {
11161 if (nlmode == drv->iface_ext_capa[i].iftype) {
11162 *ext_capa = drv->iface_ext_capa[i].ext_capa;
11163 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
11164 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
11165 break;
11166 }
11167 }
11168
11169 return 0;
11170}
11171
11172
3c67e977
VK		 11173static int nl80211_update_connection_params(
11174 void *priv, struct wpa_driver_associate_params *params,
11175 enum wpa_drv_update_connect_params_mask mask)
11176{
11177 struct i802_bss *bss = priv;
11178 struct wpa_driver_nl80211_data *drv = bss->drv;
11179 struct nl_msg *msg;
11180 int ret = -1;
11181 enum nl80211_auth_type type;
11182
c574a3ff
SD		 11183 /* Update Connection Params is intended for drivers that implement
11184 * internal SME and expect these updated connection params from
11185 * wpa_supplicant. Do not send this request for the drivers using
11186 * SME from wpa_supplicant.
11187 */
11188 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
11189 return 0;
11190
3c67e977
VK		 11191 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
11192 if (!msg)
11193 goto fail;
11194
11195 wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
11196 drv->ifindex);
11197
11198 if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
11199 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
11200 params->wpa_ie))
11201 goto fail;
11202 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie,
11203 params->wpa_ie_len);
11204 }
11205
11206 if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
11207 type = get_nl_auth_type(params->auth_alg);
11208 if (type == NL80211_AUTHTYPE_MAX ||
11209 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
11210 goto fail;
11211 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
11212 }
11213
11214 if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
11215 nl80211_put_fils_connect_params(drv, params, msg))
11216 goto fail;
11217
11218 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11219 msg = NULL;
11220 if (ret)
11221 wpa_dbg(drv->ctx, MSG_DEBUG,
11222 "nl80211: Update connect params command failed: ret=%d (%s)",
11223 ret, strerror(-ret));
11224
11225fail:
11226 nlmsg_free(msg);
11227 return ret;
11228}
11229
11230
ba71cb82
SD		 11231static int nl80211_send_external_auth_status(void *priv,
11232 struct external_auth *params)
11233{
11234 struct i802_bss *bss = priv;
11235 struct wpa_driver_nl80211_data *drv = bss->drv;
11236 struct nl_msg *msg = NULL;
11237 int ret = -1;
11238
236e793e 11239 /* External auth command/status is intended for drivers that implement
1730a6a5
JM		 11240 * internal SME but want to offload authentication processing (e.g.,
11241 * SAE) to hostapd/wpa_supplicant. Do not send the status to drivers
236e793e
SD		 11242 * which do not support AP SME or use wpa_supplicant/hostapd SME.
11243 */
2552a373 11244 if ((is_ap_interface(drv->nlmode) && !bss->drv->device_ap_sme) ||
236e793e
SD		 11245 (drv->capa.flags & WPA_DRIVER_FLAGS_SME))
11246 return -1;
11247
ba71cb82
SD		 11248 wpa_dbg(drv->ctx, MSG_DEBUG,
11249 "nl80211: External auth status: %u", params->status);
11250
11251 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH);
11252 if (!msg ||
11253 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) ||
dd1a8cef 11254 (params->ssid && params->ssid_len &&
236e793e
SD		 11255 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
11256 (params->pmkid &&
11257 nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) ||
dd1a8cef
JM		 11258 (params->bssid &&
11259 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
ba71cb82
SD		 11260 goto fail;
11261 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11262 msg = NULL;
11263 if (ret) {
11264 wpa_printf(MSG_DEBUG,
11265 "nl80211: External Auth status update failed: ret=%d (%s)",
11266 ret, strerror(-ret));
11267 goto fail;
11268 }
11269fail:
11270 nlmsg_free(msg);
11271 return ret;
11272}
11273
11274
5abc7823
VN		 11275static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
11276 int val)
11277{
11278 struct i802_bss *bss = priv;
11279 struct wpa_driver_nl80211_data *drv = bss->drv;
11280 struct nl_msg *msg;
11281 int ret = -ENOBUFS;
11282
11283 wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
11284 val ? "Enable" : "Disable", bridge_ifname);
11285
11286 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
11287 if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
11288 goto fail;
11289
11290 if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
11291 if (linux_br_del_if(drv->global->ioctl_sock,
11292 bridge_ifname, bss->ifname)) {
11293 wpa_printf(MSG_ERROR,
11294 "nl80211: Failed to remove interface %s from bridge %s",
11295 bss->ifname, bridge_ifname);
11296 return -1;
11297 }
11298 bss->added_if_into_bridge = 0;
11299 }
11300
11301 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11302 msg = NULL;
11303 if (!ret) {
11304 if (bridge_ifname[0] && val &&
11305 i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
11306 return -1;
11307 return 0;
11308 }
11309
11310fail:
11311 nlmsg_free(msg);
11312 wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
11313
11314 return ret;
11315}
11316
11317
3f5285e8
JM		 11318const struct wpa_driver_ops wpa_driver_nl80211_ops = {
11319 .name = "nl80211",
11320 .desc = "Linux nl80211/cfg80211",
11321 .get_bssid = wpa_driver_nl80211_get_bssid,
11322 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 11323 .set_key = driver_nl80211_set_key,
11324 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 11325 .sched_scan = wpa_driver_nl80211_sched_scan,
11326 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 11327 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
4f30addb 11328 .abort_scan = wpa_driver_nl80211_abort_scan,
9ebce9c5
JM		 11329 .deauthenticate = driver_nl80211_deauthenticate,
11330 .authenticate = driver_nl80211_authenticate,
3f5285e8 11331 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 11332 .global_init = nl80211_global_init,
11333 .global_deinit = nl80211_global_deinit,
11334 .init2 = wpa_driver_nl80211_init,
9ebce9c5 11335 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 11336 .get_capa = wpa_driver_nl80211_get_capa,
11337 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 11338 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 11339 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 11340 .get_country = wpa_driver_nl80211_get_country,
19c3b566 11341 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 11342 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 11343 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 11344 .if_remove = driver_nl80211_if_remove,
11345 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 11346 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 11347 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 11348 .sta_remove = driver_nl80211_sta_remove,
8759e911 11349 .tx_control_port = nl80211_tx_control_port,
db149ac9 11350 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 11351 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
1d6f6385 11352 .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight,
c5121837 11353 .hapd_init = i802_init,
c5121837 11354 .hapd_deinit = i802_deinit,
f7b3920c 11355 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 11356 .get_seqnum = i802_get_seqnum,
11357 .flush = i802_flush,
c5121837
JM		 11358 .get_inact_sec = i802_get_inact_sec,
11359 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 11360 .set_rts = i802_set_rts,
11361 .set_frag = i802_set_frag,
c5121837 11362 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 11363 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 11364 .sta_deauth = i802_sta_deauth,
11365 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 11366 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 11367 .set_freq = i802_set_freq,
9ebce9c5 11368 .send_action = driver_nl80211_send_action,
5dfca53f 11369 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 11370 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
11371 .cancel_remain_on_channel =
11372 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 11373 .probe_req_report = driver_nl80211_probe_req_report,
af473088 11374 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 11375 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 11376 .resume = wpa_driver_nl80211_resume,
b625473c 11377 .signal_monitor = nl80211_signal_monitor,
1c5c7273 11378 .signal_poll = nl80211_signal_poll,
7f00dc6e 11379 .channel_info = nl80211_channel_info,
c55f774d 11380 .set_param = nl80211_set_param,
6859f1cb 11381 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 11382 .add_pmkid = nl80211_add_pmkid,
11383 .remove_pmkid = nl80211_remove_pmkid,
11384 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 11385 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 11386 .poll_client = nl80211_poll_client,
29f338af 11387 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 11388 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 11389 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 11390#ifdef CONFIG_TDLS
11391 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
11392 .tdls_oper = nl80211_tdls_oper,
72b2605f
AN		 11393 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
11394 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
03ea1786 11395#endif /* CONFIG_TDLS */
6a1ce395 11396 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
d1836e23 11397 .update_dh_ie = nl80211_update_dh_ie,
597b94f5 11398 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 11399 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 11400 .status = wpa_driver_nl80211_status,
1c4ffa87 11401 .switch_channel = nl80211_switch_channel,
0de38036
JM		 11402#ifdef ANDROID_P2P
11403 .set_noa = wpa_driver_set_p2p_noa,
11404 .get_noa = wpa_driver_get_p2p_noa,
11405 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
11406#endif /* ANDROID_P2P */
5e2c3490 11407#ifdef ANDROID
ded14ce9 11408#ifndef ANDROID_LIB_STUB
5e2c3490 11409 .driver_cmd = wpa_driver_nl80211_driver_cmd,
ded14ce9 11410#endif /* !ANDROID_LIB_STUB */
5e2c3490 11411#endif /* ANDROID */
adef8948 11412 .vendor_cmd = nl80211_vendor_cmd,
049105b4 11413 .set_qos_map = nl80211_set_qos_map,
82ba4f2d 11414 .get_wowlan = nl80211_get_wowlan,
e4fa8b12 11415 .set_wowlan = nl80211_set_wowlan,
fee354c7 11416 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 11417#ifdef CONFIG_MESH
11418 .init_mesh = wpa_driver_nl80211_init_mesh,
11419 .join_mesh = wpa_driver_nl80211_join_mesh,
11420 .leave_mesh = wpa_driver_nl80211_leave_mesh,
c36109e4 11421 .probe_mesh_link = nl80211_probe_mesh_link,
6c1664f6 11422#endif /* CONFIG_MESH */
71103bed
KP		 11423 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
11424 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 11425 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 11426 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB		 11427 .add_tx_ts = nl80211_add_ts,
11428 .del_tx_ts = nl80211_del_ts,
45e3fc72 11429 .get_ifindex = nl80211_get_ifindex,
b658547d 11430#ifdef CONFIG_DRIVER_NL80211_QCA
9607a1ae 11431 .roaming = nl80211_roaming,
d98038bb 11432 .disable_fils = nl80211_disable_fils,
16689c7c 11433 .do_acs = wpa_driver_do_acs,
844dfeb8 11434 .set_band = nl80211_set_band,
98342208 11435 .get_pref_freq_list = nl80211_get_pref_freq_list,
7c813acf 11436 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
a6f5b193
PX		 11437 .p2p_lo_start = nl80211_p2p_lo_start,
11438 .p2p_lo_stop = nl80211_p2p_lo_stop,
cc9985d1 11439 .set_default_scan_ies = nl80211_set_default_scan_ies,
2e4e4fb7 11440 .set_tdls_mode = nl80211_set_tdls_mode,
3ab48492
KV		 11441#ifdef CONFIG_MBO
11442 .get_bss_transition_status = nl80211_get_bss_transition_status,
178553b7 11443 .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
3ab48492 11444#endif /* CONFIG_MBO */
b04854ce 11445 .set_bssid_blacklist = nl80211_set_bssid_blacklist,
df3b2e22 11446 .add_sta_node = nl80211_add_sta_node,
b658547d 11447#endif /* CONFIG_DRIVER_NL80211_QCA */
6922d440 11448 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
cc9a2575 11449 .get_ext_capab = nl80211_get_ext_capab,
3c67e977 11450 .update_connect_params = nl80211_update_connection_params,
ba71cb82 11451 .send_external_auth_status = nl80211_send_external_auth_status,
5abc7823 11452 .set_4addr_mode = nl80211_set_4addr_mode,
3f5285e8 11453};
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