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hostapd: Support VLAN offload to the driver
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
98cd3d1c 3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
072ad14c
JM		 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
58f6fbe0 7 * Copyright (c) 2009-2010, Atheros Communications
3f5285e8 8 *
0f3d578e
JM		 9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
3f5285e8
JM		 11 */
12
13#include "includes.h"
6859f1cb 14#include <sys/types.h>
73d2294f 15#include <fcntl.h>
37b7d082 16#include <net/if.h>
3f5285e8 17#include <netlink/genl/genl.h>
3f5285e8 18#include <netlink/genl/ctrl.h>
97ed9a06
KP		 19#ifdef CONFIG_LIBNL3_ROUTE
20#include <netlink/route/neighbour.h>
21#endif /* CONFIG_LIBNL3_ROUTE */
8602b0f2 22#include <linux/rtnetlink.h>
1b648c7e 23#include <netpacket/packet.h>
32ab4855 24#include <linux/errqueue.h>
625f587b 25
3f5285e8 26#include "common.h"
1b648c7e 27#include "eloop.h"
1682c623 28#include "common/qca-vendor.h"
a26582cb 29#include "common/qca-vendor-attr.h"
1b648c7e 30#include "common/ieee802_11_defs.h"
9b90955e 31#include "common/ieee802_11_common.h"
3aa24db9 32#include "common/wpa_common.h"
f10bfc9a 33#include "l2_packet/l2_packet.h"
e2d02c29 34#include "netlink.h"
1474e6e9 35#include "linux_defines.h"
34f2f814 36#include "linux_ioctl.h"
e2d02c29
JM		 37#include "radiotap.h"
38#include "radiotap_iter.h"
8401a6b0 39#include "rfkill.h"
1474e6e9 40#include "driver_nl80211.h"
32ab4855 41
1474e6e9 42
b14e8ea1
JM		 43#ifndef NETLINK_CAP_ACK
44#define NETLINK_CAP_ACK 10
45#endif /* NETLINK_CAP_ACK */
40432e6e
JB		 46/* support for extack if compilation headers are too old */
47#ifndef NETLINK_EXT_ACK
48#define NETLINK_EXT_ACK 11
49enum nlmsgerr_attrs {
50 NLMSGERR_ATTR_UNUSED,
51 NLMSGERR_ATTR_MSG,
52 NLMSGERR_ATTR_OFFS,
53 NLMSGERR_ATTR_COOKIE,
54
55 __NLMSGERR_ATTR_MAX,
56 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
57};
58#endif
59#ifndef NLM_F_CAPPED
60#define NLM_F_CAPPED 0x100
61#endif
62#ifndef NLM_F_ACK_TLVS
63#define NLM_F_ACK_TLVS 0x200
64#endif
65#ifndef SOL_NETLINK
66#define SOL_NETLINK 270
67#endif
68
c5121837 69
1c6edec6
JM		 70#ifdef ANDROID
71/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
1c6edec6
JM		 72#undef nl_socket_set_nonblocking
73#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
70a96c81 74
1c6edec6
JM		 75#endif /* ANDROID */
76
77
25ebd538 78static struct nl_sock * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 79{
25ebd538 80 struct nl_sock *handle;
a92dfde8 81
25ebd538 82 handle = nl_socket_alloc_cb(cb);
481234cf 83 if (handle == NULL) {
a92dfde8
JB		 84 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
85 "callbacks (%s)", dbg);
481234cf 86 return NULL;
a92dfde8
JB		 87 }
88
481234cf 89 if (genl_connect(handle)) {
a92dfde8
JB		 90 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
91 "netlink (%s)", dbg);
25ebd538 92 nl_socket_free(handle);
481234cf 93 return NULL;
a92dfde8
JB		 94 }
95
481234cf 96 return handle;
a92dfde8
JB		 97}
98
99
25ebd538 100static void nl_destroy_handles(struct nl_sock **handle)
a92dfde8 101{
481234cf 102 if (*handle == NULL)
a92dfde8 103 return;
25ebd538 104 nl_socket_free(*handle);
481234cf 105 *handle = NULL;
a92dfde8
JB		 106}
107
108
10b85921
JB		 109#if __WORDSIZE == 64
110#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
111#else
112#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
113#endif
114
25ebd538 115static void nl80211_register_eloop_read(struct nl_sock **handle,
5f65e9f7 116 eloop_sock_handler handler,
40a68f33 117 void *eloop_data, int persist)
5f65e9f7 118{
630b3230
JM		 119 /*
120 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
121 * by default. It is possible to hit that limit in some cases where
122 * operations are blocked, e.g., with a burst of Deauthentication frames
123 * to hostapd and STA entry deletion. Try to increase the buffer to make
124 * this less likely to occur.
125 */
3ea58a05
JM		 126 int err;
127
128 err = nl_socket_set_buffer_size(*handle, 262144, 0);
129 if (err < 0) {
630b3230
JM		 130 wpa_printf(MSG_DEBUG,
131 "nl80211: Could not set nl_socket RX buffer size: %s",
3ea58a05 132 nl_geterror(err));
630b3230
JM		 133 /* continue anyway with the default (smaller) buffer */
134 }
135
10b85921 136 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 137 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
138 eloop_data, *handle);
40a68f33
SD		 139 if (!persist)
140 *handle = (void *) (((intptr_t) *handle) ^
141 ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 142}
143
144
25ebd538 145static void nl80211_destroy_eloop_handle(struct nl_sock **handle, int persist)
5f65e9f7 146{
40a68f33
SD		 147 if (!persist)
148 *handle = (void *) (((intptr_t) *handle) ^
149 ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 150 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
151 nl_destroy_handles(handle);
152}
153
154
36d84860 155static void nl80211_global_deinit(void *priv);
f51f54a0 156static void nl80211_check_global(struct nl80211_global *global);
36d84860 157
9ebce9c5 158static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
4ec68377
JD		 159static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
160 struct hostapd_freq_params *freq);
3c5d34e3 161
362f781e 162static int
0d547d5f 163wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 164 const u8 *set_addr, int first,
165 const char *driver_params);
88df0ef7 166static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 167 unsigned int freq, unsigned int wait,
5ad372cc
JM		 168 const u8 *buf, size_t buf_len,
169 int save_cookie,
2d3943ce
AO		 170 int no_cck, int no_ack, int offchanok,
171 const u16 *csa_offs, size_t csa_offs_len);
9ebce9c5
JM		 172static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
173 int report);
0915d02c 174
732b1d20
MB		 175#define IFIDX_ANY -1
176
177static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
178 int ifidx_reason);
179static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
180 int ifidx_reason);
181static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
182 int ifidx_reason);
072ad14c 183
e87ef751
PX		 184static int nl80211_set_channel(struct i802_bss *bss,
185 struct hostapd_freq_params *freq, int set_chan);
4e5cb1a3
JM		 186static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
187 int ifindex, int disabled);
504e905c 188
666e508c
JM		 189static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
190 int reset_mode);
21bdbe38 191
bf83eab5 192static int i802_set_iface_flags(struct i802_bss *bss, int up);
0ecff8d7 193static int nl80211_set_param(void *priv, const char *param);
052b8d38
MH		 194#ifdef CONFIG_MESH
195static int nl80211_put_mesh_config(struct nl_msg *msg,
196 struct wpa_driver_mesh_bss_params *params);
197#endif /* CONFIG_MESH */
05e5e615 198static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 199 u16 reason);
bf83eab5 200
3f5285e8 201
8d1fdde7 202/* Converts nl80211_chan_width to a common format */
f3407c66 203enum chan_width convert2width(int width)
8d1fdde7
JD		 204{
205 switch (width) {
206 case NL80211_CHAN_WIDTH_20_NOHT:
207 return CHAN_WIDTH_20_NOHT;
208 case NL80211_CHAN_WIDTH_20:
209 return CHAN_WIDTH_20;
210 case NL80211_CHAN_WIDTH_40:
211 return CHAN_WIDTH_40;
212 case NL80211_CHAN_WIDTH_80:
213 return CHAN_WIDTH_80;
214 case NL80211_CHAN_WIDTH_80P80:
215 return CHAN_WIDTH_80P80;
216 case NL80211_CHAN_WIDTH_160:
217 return CHAN_WIDTH_160;
218 }
219 return CHAN_WIDTH_UNKNOWN;
220}
221
222
f3407c66 223int is_ap_interface(enum nl80211_iftype nlmode)
b1f625e0 224{
0e80ea2c
JM		 225 return nlmode == NL80211_IFTYPE_AP ||
226 nlmode == NL80211_IFTYPE_P2P_GO;
b1f625e0
EP		 227}
228
229
477af8f8 230int is_sta_interface(enum nl80211_iftype nlmode)
b1f625e0 231{
0e80ea2c
JM		 232 return nlmode == NL80211_IFTYPE_STATION ||
233 nlmode == NL80211_IFTYPE_P2P_CLIENT;
b1f625e0
EP		 234}
235
236
6a71413e 237static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2 238{
0e80ea2c
JM		 239 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
240 nlmode == NL80211_IFTYPE_P2P_GO;
b3af99d2
JM		 241}
242
243
f3407c66
JM		 244struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
245 int ifindex)
5dfbd725
JM		 246{
247 struct i802_bss *bss;
248
249 for (bss = drv->first_bss; bss; bss = bss->next) {
250 if (bss->ifindex == ifindex)
251 return bss;
252 }
253
254 return NULL;
255}
256
257
afb0550a
BC		 258static int is_mesh_interface(enum nl80211_iftype nlmode)
259{
260 return nlmode == NL80211_IFTYPE_MESH_POINT;
261}
262
263
f3407c66 264void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
add9b7a4
JM		 265{
266 if (drv->associated)
267 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
268 drv->associated = 0;
269 os_memset(drv->bssid, 0, ETH_ALEN);
091c2277 270 drv->first_bss->freq = 0;
add9b7a4
JM		 271}
272
273
6241fcb1
JM		 274/* nl80211 code */
275static int ack_handler(struct nl_msg *msg, void *arg)
276{
277 int *err = arg;
278 *err = 0;
279 return NL_STOP;
280}
281
282static int finish_handler(struct nl_msg *msg, void *arg)
283{
8e8df255
JM		 284 int *ret = arg;
285 *ret = 0;
6241fcb1
JM		 286 return NL_SKIP;
287}
288
289static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
290 void *arg)
291{
40432e6e
JB		 292 struct nlmsghdr *nlh = (struct nlmsghdr *) err - 1;
293 int len = nlh->nlmsg_len;
294 struct nlattr *attrs;
295 struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
6241fcb1 296 int *ret = arg;
40432e6e
JB		 297 int ack_len = sizeof(*nlh) + sizeof(int) + sizeof(*nlh);
298
6241fcb1 299 *ret = err->error;
40432e6e
JB		 300
301 if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS))
302 return NL_SKIP;
303
304 if (!(nlh->nlmsg_flags & NLM_F_CAPPED))
305 ack_len += err->msg.nlmsg_len - sizeof(*nlh);
306
307 if (len <= ack_len)
308 return NL_STOP;
309
310 attrs = (void *) ((unsigned char *) nlh + ack_len);
311 len -= ack_len;
312
313 nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, len, NULL);
314 if (tb[NLMSGERR_ATTR_MSG]) {
315 len = strnlen((char *) nla_data(tb[NLMSGERR_ATTR_MSG]),
316 nla_len(tb[NLMSGERR_ATTR_MSG]));
317 wpa_printf(MSG_ERROR, "nl80211: kernel reports: %*s",
318 len, (char *) nla_data(tb[NLMSGERR_ATTR_MSG]));
319 }
320
6241fcb1
JM		 321 return NL_SKIP;
322}
323
5b7b85f6
JM		 324
325static int no_seq_check(struct nl_msg *msg, void *arg)
326{
327 return NL_OK;
328}
329
330
bbd89bfc
JM		 331static void nl80211_nlmsg_clear(struct nl_msg *msg)
332{
333 /*
334 * Clear nlmsg data, e.g., to make sure key material is not left in
335 * heap memory for unnecessarily long time.
336 */
337 if (msg) {
338 struct nlmsghdr *hdr = nlmsg_hdr(msg);
339 void *data = nlmsg_data(hdr);
d58ade21
JM		 340 /*
341 * This would use nlmsg_datalen() or the older nlmsg_len() if
342 * only libnl were to maintain a stable API.. Neither will work
343 * with all released versions, so just calculate the length
344 * here.
345 */
346 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
bbd89bfc
JM		 347
348 os_memset(data, 0, len);
349 }
350}
351
352
d6c9aab8 353static int send_and_recv(struct nl80211_global *global,
25ebd538 354 struct nl_sock *nl_handle, struct nl_msg *msg,
58f6fbe0
JM		 355 int (*valid_handler)(struct nl_msg *, void *),
356 void *valid_data)
6241fcb1
JM		 357{
358 struct nl_cb *cb;
40432e6e 359 int err = -ENOMEM, opt;
6241fcb1 360
9725b784
JM		 361 if (!msg)
362 return -ENOMEM;
363
d6c9aab8 364 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 365 if (!cb)
366 goto out;
367
40432e6e
JB		 368 /* try to set NETLINK_EXT_ACK to 1, ignoring errors */
369 opt = 1;
370 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
371 NETLINK_EXT_ACK, &opt, sizeof(opt));
372
b14e8ea1
JM		 373 /* try to set NETLINK_CAP_ACK to 1, ignoring errors */
374 opt = 1;
375 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
376 NETLINK_CAP_ACK, &opt, sizeof(opt));
377
58f6fbe0 378 err = nl_send_auto_complete(nl_handle, msg);
3ea58a05
JM		 379 if (err < 0) {
380 wpa_printf(MSG_INFO,
381 "nl80211: nl_send_auto_complete() failed: %s",
382 nl_geterror(err));
383 /* Need to convert libnl error code to an errno value. For now,
384 * just hardcode this to EBADF; the real error reason is shown
385 * in that error print above. */
386 err = -EBADF;
6241fcb1 387 goto out;
3ea58a05 388 }
6241fcb1
JM		 389
390 err = 1;
391
392 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 393 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 394 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
395
396 if (valid_handler)
397 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
398 valid_handler, valid_data);
399
34068ac3
JM		 400 while (err > 0) {
401 int res = nl_recvmsgs(nl_handle, cb);
16a26672
JM		 402
403 if (res == -NLE_DUMP_INTR) {
404 /* Most likely one of the nl80211 dump routines hit a
405 * case where internal results changed while the dump
406 * was being sent. The most common known case for this
407 * is scan results fetching while associated were every
408 * received Beacon frame from the AP may end up
409 * incrementing bss_generation. This
410 * NL80211_CMD_GET_SCAN case tries again in the caller;
411 * other cases (of which there are no known common ones)
412 * will stop and return an error. */
413 wpa_printf(MSG_DEBUG, "nl80211: %s; convert to -EAGAIN",
414 nl_geterror(res));
415 err = -EAGAIN;
416 } else if (res < 0) {
34068ac3 417 wpa_printf(MSG_INFO,
3ea58a05
JM		 418 "nl80211: %s->nl_recvmsgs failed: %d (%s)",
419 __func__, res, nl_geterror(res));
34068ac3
JM		 420 }
421 }
6241fcb1
JM		 422 out:
423 nl_cb_put(cb);
bbd89bfc
JM		 424 if (!valid_handler && valid_data == (void *) -1)
425 nl80211_nlmsg_clear(msg);
6241fcb1
JM		 426 nlmsg_free(msg);
427 return err;
428}
429
430
f3407c66
JM		 431int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
432 struct nl_msg *msg,
433 int (*valid_handler)(struct nl_msg *, void *),
434 void *valid_data)
58f6fbe0 435{
481234cf 436 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 437 valid_handler, valid_data);
58f6fbe0
JM		 438}
439
440
97865538
JM		 441struct family_data {
442 const char *group;
443 int id;
444};
445
446
447static int family_handler(struct nl_msg *msg, void *arg)
448{
449 struct family_data *res = arg;
450 struct nlattr *tb[CTRL_ATTR_MAX + 1];
451 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
452 struct nlattr *mcgrp;
453 int i;
454
455 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
456 genlmsg_attrlen(gnlh, 0), NULL);
457 if (!tb[CTRL_ATTR_MCAST_GROUPS])
458 return NL_SKIP;
459
460 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
461 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
462 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
463 nla_len(mcgrp), NULL);
464 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
465 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
466 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
467 res->group,
468 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
469 continue;
470 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
471 break;
472 };
473
474 return NL_SKIP;
475}
476
477
d6c9aab8 478static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 479 const char *family, const char *group)
480{
481 struct nl_msg *msg;
a862e4a3 482 int ret;
97865538
JM		 483 struct family_data res = { group, -ENOENT };
484
485 msg = nlmsg_alloc();
486 if (!msg)
487 return -ENOMEM;
a862e4a3
JM		 488 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
489 0, 0, CTRL_CMD_GETFAMILY, 0) ||
490 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
491 nlmsg_free(msg);
492 return -1;
493 }
97865538 494
1033315f 495 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
97865538
JM		 496 if (ret == 0)
497 ret = res.id;
97865538
JM		 498 return ret;
499}
500
501
f3407c66
JM		 502void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
503 struct nl_msg *msg, int flags, uint8_t cmd)
9fb04070 504{
a5a187b0
JM		 505 if (TEST_FAIL())
506 return NULL;
335d42b1 507 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 508 0, flags, cmd, 0);
9fb04070
JM		 509}
510
511
350acc35
JM		 512static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
513{
514 if (bss->wdev_id_set)
515 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
516 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
517}
518
519
07c7757c
JM		 520struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
521{
522 struct nl_msg *msg;
523
524 msg = nlmsg_alloc();
525 if (!msg)
526 return NULL;
527
528 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
529 nl80211_set_iface_id(msg, bss) < 0) {
530 nlmsg_free(msg);
531 return NULL;
532 }
533
534 return msg;
535}
536
537
538static struct nl_msg *
539nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
540 int flags, uint8_t cmd)
541{
542 struct nl_msg *msg;
543
544 msg = nlmsg_alloc();
545 if (!msg)
546 return NULL;
547
548 if (!nl80211_cmd(drv, msg, flags, cmd) ||
549 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
550 nlmsg_free(msg);
551 return NULL;
552 }
553
554 return msg;
555}
556
557
558struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
559 uint8_t cmd)
560{
561 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
562}
563
564
565struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
566{
567 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
568}
569
570
e32ad281
JB		 571struct wiphy_idx_data {
572 int wiphy_idx;
01517c8b 573 enum nl80211_iftype nlmode;
597b94f5 574 u8 *macaddr;
e32ad281
JB		 575};
576
577
578static int netdev_info_handler(struct nl_msg *msg, void *arg)
579{
580 struct nlattr *tb[NL80211_ATTR_MAX + 1];
581 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
582 struct wiphy_idx_data *info = arg;
583
584 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
585 genlmsg_attrlen(gnlh, 0), NULL);
586
587 if (tb[NL80211_ATTR_WIPHY])
588 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
589
01517c8b
JB		 590 if (tb[NL80211_ATTR_IFTYPE])
591 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
592
597b94f5
AS		 593 if (tb[NL80211_ATTR_MAC] && info->macaddr)
594 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
595 ETH_ALEN);
596
e32ad281
JB		 597 return NL_SKIP;
598}
599
600
f3407c66 601int nl80211_get_wiphy_index(struct i802_bss *bss)
e32ad281
JB		 602{
603 struct nl_msg *msg;
604 struct wiphy_idx_data data = {
605 .wiphy_idx = -1,
597b94f5 606 .macaddr = NULL,
e32ad281
JB		 607 };
608
56f77852 609 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 610 return -1;
e32ad281
JB		 611
612 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
613 return data.wiphy_idx;
e32ad281
JB		 614 return -1;
615}
616
617
01517c8b
JB		 618static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
619{
620 struct nl_msg *msg;
621 struct wiphy_idx_data data = {
597b94f5
AS		 622 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
623 .macaddr = NULL,
01517c8b
JB		 624 };
625
56f77852 626 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 627 return NL80211_IFTYPE_UNSPECIFIED;
01517c8b
JB		 628
629 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
630 return data.nlmode;
01517c8b
JB		 631 return NL80211_IFTYPE_UNSPECIFIED;
632}
01517c8b
JB		 633
634
597b94f5
AS		 635static int nl80211_get_macaddr(struct i802_bss *bss)
636{
637 struct nl_msg *msg;
638 struct wiphy_idx_data data = {
639 .macaddr = bss->addr,
640 };
641
56f77852 642 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 643 return -1;
597b94f5 644
597b94f5 645 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
597b94f5 646}
597b94f5
AS		 647
648
e32ad281
JB		 649static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
650 struct nl80211_wiphy_data *w)
651{
652 struct nl_msg *msg;
a862e4a3 653 int ret;
e32ad281
JB		 654
655 msg = nlmsg_alloc();
656 if (!msg)
657 return -1;
658
a862e4a3
JM		 659 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
660 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
661 nlmsg_free(msg);
662 return -1;
663 }
e32ad281 664
481234cf 665 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 666 if (ret) {
667 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
668 "failed: ret=%d (%s)",
669 ret, strerror(-ret));
e32ad281 670 }
e32ad281
JB		 671 return ret;
672}
673
674
675static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
676{
677 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 678 int res;
e32ad281 679
ee9fc67a 680 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 681
34068ac3 682 res = nl_recvmsgs(handle, w->nl_cb);
d3d04831 683 if (res < 0) {
34068ac3
JM		 684 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
685 __func__, res);
686 }
e32ad281
JB		 687}
688
689
690static int process_beacon_event(struct nl_msg *msg, void *arg)
691{
692 struct nl80211_wiphy_data *w = arg;
693 struct wpa_driver_nl80211_data *drv;
694 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
695 struct nlattr *tb[NL80211_ATTR_MAX + 1];
696 union wpa_event_data event;
697
698 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
699 genlmsg_attrlen(gnlh, 0), NULL);
700
701 if (gnlh->cmd != NL80211_CMD_FRAME) {
702 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
703 gnlh->cmd);
704 return NL_SKIP;
705 }
706
707 if (!tb[NL80211_ATTR_FRAME])
708 return NL_SKIP;
709
710 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
711 wiphy_list) {
712 os_memset(&event, 0, sizeof(event));
713 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
714 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
715 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
716 }
717
718 return NL_SKIP;
719}
720
721
722static struct nl80211_wiphy_data *
723nl80211_get_wiphy_data_ap(struct i802_bss *bss)
724{
725 static DEFINE_DL_LIST(nl80211_wiphys);
726 struct nl80211_wiphy_data *w;
727 int wiphy_idx, found = 0;
728 struct i802_bss *tmp_bss;
a70cd0db 729 u8 channel;
e32ad281
JB		 730
731 if (bss->wiphy_data != NULL)
732 return bss->wiphy_data;
733
734 wiphy_idx = nl80211_get_wiphy_index(bss);
735
736 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
737 if (w->wiphy_idx == wiphy_idx)
738 goto add;
739 }
740
741 /* alloc new one */
742 w = os_zalloc(sizeof(*w));
743 if (w == NULL)
744 return NULL;
745 w->wiphy_idx = wiphy_idx;
746 dl_list_init(&w->bsss);
747 dl_list_init(&w->drvs);
748
a70cd0db
DL		 749 /* Beacon frames not supported in IEEE 802.11ad */
750 if (ieee80211_freq_to_chan(bss->freq, &channel) !=
751 HOSTAPD_MODE_IEEE80211AD) {
752 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
753 if (!w->nl_cb) {
754 os_free(w);
755 return NULL;
756 }
757 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
758 no_seq_check, NULL);
759 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
760 process_beacon_event, w);
761
762 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
763 "wiphy beacons");
764 if (w->nl_beacons == NULL) {
765 os_free(w);
766 return NULL;
767 }
e32ad281 768
a70cd0db
DL		 769 if (nl80211_register_beacons(bss->drv, w)) {
770 nl_destroy_handles(&w->nl_beacons);
771 os_free(w);
772 return NULL;
773 }
e32ad281 774
a70cd0db 775 nl80211_register_eloop_read(&w->nl_beacons,
40a68f33 776 nl80211_recv_beacons, w, 0);
e32ad281
JB		 777 }
778
e32ad281
JB		 779 dl_list_add(&nl80211_wiphys, &w->list);
780
781add:
782 /* drv entry for this bss already there? */
783 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
784 if (tmp_bss->drv == bss->drv) {
785 found = 1;
786 break;
787 }
788 }
789 /* if not add it */
790 if (!found)
791 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
792
793 dl_list_add(&w->bsss, &bss->wiphy_list);
794 bss->wiphy_data = w;
795 return w;
796}
797
798
799static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
800{
801 struct nl80211_wiphy_data *w = bss->wiphy_data;
802 struct i802_bss *tmp_bss;
803 int found = 0;
804
805 if (w == NULL)
806 return;
807 bss->wiphy_data = NULL;
808 dl_list_del(&bss->wiphy_list);
809
810 /* still any for this drv present? */
811 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
812 if (tmp_bss->drv == bss->drv) {
813 found = 1;
814 break;
815 }
816 }
817 /* if not remove it */
818 if (!found)
819 dl_list_del(&bss->drv->wiphy_list);
820
821 if (!dl_list_empty(&w->bsss))
822 return;
823
a70cd0db 824 if (w->nl_beacons)
40a68f33 825 nl80211_destroy_eloop_handle(&w->nl_beacons, 0);
e32ad281
JB		 826
827 nl_cb_put(w->nl_cb);
e32ad281
JB		 828 dl_list_del(&w->list);
829 os_free(w);
830}
831
832
45e3fc72
RM		 833static unsigned int nl80211_get_ifindex(void *priv)
834{
835 struct i802_bss *bss = priv;
836 struct wpa_driver_nl80211_data *drv = bss->drv;
837
838 return drv->ifindex;
839}
840
841
3f5285e8
JM		 842static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
843{
a2e40bb6
FF		 844 struct i802_bss *bss = priv;
845 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 846 if (!drv->associated)
847 return -1;
848 os_memcpy(bssid, drv->bssid, ETH_ALEN);
849 return 0;
3f5285e8
JM		 850}
851
852
3f5285e8
JM		 853static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
854{
a2e40bb6
FF		 855 struct i802_bss *bss = priv;
856 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 857 if (!drv->associated)
858 return -1;
859 os_memcpy(ssid, drv->ssid, drv->ssid_len);
860 return drv->ssid_len;
3f5285e8
JM		 861}
862
863
90a545cc 864static void wpa_driver_nl80211_event_newlink(
45e3fc72
RM		 865 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
866 int ifindex, const char *ifname)
3f5285e8
JM		 867{
868 union wpa_event_data event;
869
45e3fc72 870 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 871 if (if_nametoindex(drv->first_bss->ifname) == 0) {
872 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
873 drv->first_bss->ifname);
874 return;
875 }
876 if (!drv->if_removed)
877 return;
878 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
879 drv->first_bss->ifname);
880 drv->if_removed = 0;
881 }
882
3f5285e8 883 os_memset(&event, 0, sizeof(event));
45e3fc72 884 event.interface_status.ifindex = ifindex;
90a545cc
JM		 885 os_strlcpy(event.interface_status.ifname, ifname,
886 sizeof(event.interface_status.ifname));
887 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
45e3fc72
RM		 888 if (drv)
889 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
890 else
891 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
892 &event);
90a545cc
JM		 893}
894
895
896static void wpa_driver_nl80211_event_dellink(
45e3fc72
RM		 897 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
898 int ifindex, const char *ifname)
90a545cc
JM		 899{
900 union wpa_event_data event;
901
45e3fc72 902 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 903 if (drv->if_removed) {
904 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
905 ifname);
906 return;
d1f4942b 907 }
90a545cc
JM		 908 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
909 ifname);
910 drv->if_removed = 1;
911 } else {
912 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
913 ifname);
7524cfb1
JM		 914 }
915
90a545cc 916 os_memset(&event, 0, sizeof(event));
45e3fc72 917 event.interface_status.ifindex = ifindex;
90a545cc
JM		 918 os_strlcpy(event.interface_status.ifname, ifname,
919 sizeof(event.interface_status.ifname));
920 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
45e3fc72
RM		 921 if (drv)
922 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
923 else
924 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
925 &event);
3f5285e8
JM		 926}
927
928
7524cfb1 929static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 930 u8 *buf, size_t len)
7524cfb1 931{
62d680c3 932 int attrlen, rta_len;
7524cfb1
JM		 933 struct rtattr *attr;
934
62d680c3
JM		 935 attrlen = len;
936 attr = (struct rtattr *) buf;
7524cfb1
JM		 937
938 rta_len = RTA_ALIGN(sizeof(struct rtattr));
939 while (RTA_OK(attr, attrlen)) {
940 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 941 if (os_strcmp(((char *) attr) + rta_len,
942 drv->first_bss->ifname) == 0)
7524cfb1
JM		 943 return 1;
944 else
945 break;
946 }
947 attr = RTA_NEXT(attr, attrlen);
948 }
949
950 return 0;
951}
952
953
954static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 955 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 956{
957 if (drv->ifindex == ifindex)
958 return 1;
959
62d680c3 960 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
f51f54a0 961 nl80211_check_global(drv->global);
7524cfb1
JM		 962 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
963 "interface");
5e0c20ff
JM		 964 if (wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL) < 0)
965 return -1;
7524cfb1
JM		 966 return 1;
967 }
968
969 return 0;
970}
971
972
36d84860 973static struct wpa_driver_nl80211_data *
5e0c20ff
JM		 974nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len,
975 int *init_failed)
36d84860
BG		 976{
977 struct wpa_driver_nl80211_data *drv;
5e0c20ff
JM		 978 int res;
979
980 if (init_failed)
981 *init_failed = 0;
36d84860
BG		 982 dl_list_for_each(drv, &global->interfaces,
983 struct wpa_driver_nl80211_data, list) {
5e0c20ff
JM		 984 res = wpa_driver_nl80211_own_ifindex(drv, idx, buf, len);
985 if (res < 0) {
986 wpa_printf(MSG_DEBUG,
987 "nl80211: Found matching own interface, but failed to complete reinitialization");
988 if (init_failed)
989 *init_failed = 1;
990 return drv;
991 }
992 if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY))
36d84860
BG		 993 return drv;
994 }
995 return NULL;
996}
997
998
290834df 999static void nl80211_refresh_mac(struct wpa_driver_nl80211_data *drv,
77a020a1 1000 int ifindex, int notify)
290834df
BG		 1001{
1002 struct i802_bss *bss;
1003 u8 addr[ETH_ALEN];
1004
1005 bss = get_bss_ifindex(drv, ifindex);
1006 if (bss &&
1007 linux_get_ifhwaddr(drv->global->ioctl_sock,
1008 bss->ifname, addr) < 0) {
1009 wpa_printf(MSG_DEBUG,
1010 "nl80211: %s: failed to re-read MAC address",
1011 bss->ifname);
1012 } else if (bss && os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1013 wpa_printf(MSG_DEBUG,
1014 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1015 MACSTR " to " MACSTR,
1016 ifindex, bss->ifname,
1017 MAC2STR(bss->addr), MAC2STR(addr));
1018 os_memcpy(bss->addr, addr, ETH_ALEN);
77a020a1
BG		 1019 if (notify)
1020 wpa_supplicant_event(drv->ctx,
1021 EVENT_INTERFACE_MAC_CHANGED, NULL);
290834df
BG		 1022 }
1023}
1024
1025
62d680c3
JM		 1026static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1027 struct ifinfomsg *ifi,
1028 u8 *buf, size_t len)
3f5285e8 1029{
36d84860
BG		 1030 struct nl80211_global *global = ctx;
1031 struct wpa_driver_nl80211_data *drv;
90a545cc 1032 int attrlen;
62d680c3 1033 struct rtattr *attr;
97cfcf64 1034 u32 brid = 0;
aef85ba2 1035 char namebuf[IFNAMSIZ];
90a545cc
JM		 1036 char ifname[IFNAMSIZ + 1];
1037 char extra[100], *pos, *end;
5e0c20ff 1038 int init_failed;
3f5285e8 1039
90a545cc
JM		 1040 extra[0] = '\0';
1041 pos = extra;
1042 end = pos + sizeof(extra);
1043 ifname[0] = '\0';
1044
1045 attrlen = len;
1046 attr = (struct rtattr *) buf;
1047 while (RTA_OK(attr, attrlen)) {
1048 switch (attr->rta_type) {
1049 case IFLA_IFNAME:
1050 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1051 break;
1052 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1053 ifname[RTA_PAYLOAD(attr)] = '\0';
1054 break;
1055 case IFLA_MASTER:
1056 brid = nla_get_u32((struct nlattr *) attr);
1057 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1058 break;
1059 case IFLA_WIRELESS:
1060 pos += os_snprintf(pos, end - pos, " wext");
1061 break;
1062 case IFLA_OPERSTATE:
1063 pos += os_snprintf(pos, end - pos, " operstate=%u",
1064 nla_get_u32((struct nlattr *) attr));
1065 break;
1066 case IFLA_LINKMODE:
1067 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1068 nla_get_u32((struct nlattr *) attr));
1069 break;
1070 }
1071 attr = RTA_NEXT(attr, attrlen);
1072 }
1073 extra[sizeof(extra) - 1] = '\0';
1074
f2e90835
JM		 1075 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1076 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1077 ifi->ifi_flags,
3f5285e8
JM		 1078 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1079 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1080 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1081 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4 1082
5e0c20ff 1083 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, &init_failed);
45e3fc72
RM		 1084 if (!drv)
1085 goto event_newlink;
5e0c20ff
JM		 1086 if (init_failed)
1087 return; /* do not update interface state */
45e3fc72 1088
a63063b4 1089 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
106fa1e9 1090 namebuf[0] = '\0';
59d24925 1091 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1092 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
59d24925
JM		 1093 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1094 "event since interface %s is up", namebuf);
7a94120e 1095 drv->ignore_if_down_event = 0;
77a020a1
BG		 1096 /* Re-read MAC address as it may have changed */
1097 nl80211_refresh_mac(drv, ifi->ifi_index, 1);
59d24925
JM		 1098 return;
1099 }
106fa1e9
JM		 1100 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
1101 namebuf, ifname);
1102 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1103 wpa_printf(MSG_DEBUG,
1104 "nl80211: Not the main interface (%s) - do not indicate interface down",
1105 drv->first_bss->ifname);
1106 } else if (drv->ignore_if_down_event) {
7d9c3698
JM		 1107 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1108 "event generated by mode change");
1109 drv->ignore_if_down_event = 0;
1110 } else {
1111 drv->if_disabled = 1;
1112 wpa_supplicant_event(drv->ctx,
1113 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO		 1114
1115 /*
1116 * Try to get drv again, since it may be removed as
1117 * part of the EVENT_INTERFACE_DISABLED handling for
1118 * dynamic interfaces
1119 */
1120 drv = nl80211_find_drv(global, ifi->ifi_index,
5e0c20ff 1121 buf, len, NULL);
819f096f
AO		 1122 if (!drv)
1123 return;
7d9c3698 1124 }
a63063b4
JM		 1125 }
1126
1127 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
8a9950f7 1128 namebuf[0] = '\0';
aef85ba2 1129 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1130 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
aef85ba2
JM		 1131 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1132 "event since interface %s is down",
1133 namebuf);
8a9950f7
HW		 1134 return;
1135 }
1136 wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)",
1137 namebuf, ifname);
1138 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1139 wpa_printf(MSG_DEBUG,
1140 "nl80211: Not the main interface (%s) - do not indicate interface up",
1141 drv->first_bss->ifname);
834ee56f 1142 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 1143 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1144 "event since interface %s does not exist",
834ee56f 1145 drv->first_bss->ifname);
d1f4942b
JM		 1146 } else if (drv->if_removed) {
1147 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1148 "event since interface %s is marked "
834ee56f 1149 "removed", drv->first_bss->ifname);
aef85ba2 1150 } else {
3e0272ca 1151 /* Re-read MAC address as it may have changed */
77a020a1 1152 nl80211_refresh_mac(drv, ifi->ifi_index, 0);
3e0272ca 1153
aef85ba2
JM		 1154 drv->if_disabled = 0;
1155 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1156 NULL);
1157 }
a63063b4
JM		 1158 }
1159
3f5285e8
JM		 1160 /*
1161 * Some drivers send the association event before the operup event--in
1162 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1163 * fails. This will hit us when wpa_supplicant does not need to do
1164 * IEEE 802.1X authentication
1165 */
1166 if (drv->operstate == 1 &&
1167 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM		 1168 !(ifi->ifi_flags & IFF_RUNNING)) {
1169 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1170 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1171 -1, IF_OPER_UP);
3f5285e8 1172 }
97cfcf64 1173
45e3fc72 1174event_newlink:
90a545cc 1175 if (ifname[0])
45e3fc72
RM		 1176 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1177 ifname);
90a545cc 1178
45e3fc72 1179 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
392dfd37
JM		 1180 struct i802_bss *bss;
1181
97cfcf64 1182 /* device has been added to bridge */
40e76396
JM		 1183 if (!if_indextoname(brid, namebuf)) {
1184 wpa_printf(MSG_DEBUG,
1185 "nl80211: Could not find bridge ifname for ifindex %u",
1186 brid);
1187 return;
1188 }
97cfcf64
B		 1189 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1190 brid, namebuf);
732b1d20 1191 add_ifidx(drv, brid, ifi->ifi_index);
392dfd37
JM		 1192
1193 for (bss = drv->first_bss; bss; bss = bss->next) {
1194 if (os_strcmp(ifname, bss->ifname) == 0) {
1195 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1196 break;
1197 }
1198 }
97cfcf64 1199 }
3f5285e8
JM		 1200}
1201
1202
62d680c3
JM		 1203static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1204 struct ifinfomsg *ifi,
1205 u8 *buf, size_t len)
3f5285e8 1206{
36d84860
BG		 1207 struct nl80211_global *global = ctx;
1208 struct wpa_driver_nl80211_data *drv;
90a545cc 1209 int attrlen;
62d680c3 1210 struct rtattr *attr;
97cfcf64 1211 u32 brid = 0;
90a545cc 1212 char ifname[IFNAMSIZ + 1];
f2e90835 1213 char extra[100], *pos, *end;
3f5285e8 1214
f2e90835
JM		 1215 extra[0] = '\0';
1216 pos = extra;
1217 end = pos + sizeof(extra);
90a545cc
JM		 1218 ifname[0] = '\0';
1219
62d680c3
JM		 1220 attrlen = len;
1221 attr = (struct rtattr *) buf;
3f5285e8 1222 while (RTA_OK(attr, attrlen)) {
90a545cc
JM		 1223 switch (attr->rta_type) {
1224 case IFLA_IFNAME:
1225 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1226 break;
1227 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1228 ifname[RTA_PAYLOAD(attr)] = '\0';
1229 break;
1230 case IFLA_MASTER:
97cfcf64 1231 brid = nla_get_u32((struct nlattr *) attr);
f2e90835
JM		 1232 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1233 break;
1234 case IFLA_OPERSTATE:
1235 pos += os_snprintf(pos, end - pos, " operstate=%u",
1236 nla_get_u32((struct nlattr *) attr));
1237 break;
1238 case IFLA_LINKMODE:
1239 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1240 nla_get_u32((struct nlattr *) attr));
90a545cc
JM		 1241 break;
1242 }
3f5285e8
JM		 1243 attr = RTA_NEXT(attr, attrlen);
1244 }
f2e90835
JM		 1245 extra[sizeof(extra) - 1] = '\0';
1246
1247 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1248 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1249 ifi->ifi_flags,
1250 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1251 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1252 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1253 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
97cfcf64 1254
5e0c20ff 1255 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, NULL);
90a545cc 1256
45e3fc72 1257 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
97cfcf64
B		 1258 /* device has been removed from bridge */
1259 char namebuf[IFNAMSIZ];
40e76396
JM		 1260
1261 if (!if_indextoname(brid, namebuf)) {
1262 wpa_printf(MSG_DEBUG,
1263 "nl80211: Could not find bridge ifname for ifindex %u",
1264 brid);
1265 } else {
1266 wpa_printf(MSG_DEBUG,
1267 "nl80211: Remove ifindex %u for bridge %s",
1268 brid, namebuf);
1269 }
732b1d20 1270 del_ifidx(drv, brid, ifi->ifi_index);
97cfcf64 1271 }
45e3fc72
RM		 1272
1273 if (ifi->ifi_family != AF_BRIDGE || !brid)
1274 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1275 ifname);
3f5285e8
JM		 1276}
1277
1278
a1fce391
JM		 1279struct nl80211_get_assoc_freq_arg {
1280 struct wpa_driver_nl80211_data *drv;
1281 unsigned int assoc_freq;
1282 unsigned int ibss_freq;
1283 u8 assoc_bssid[ETH_ALEN];
ed0a4ddc
NW		 1284 u8 assoc_ssid[SSID_MAX_LEN];
1285 u8 assoc_ssid_len;
a1fce391
JM		 1286};
1287
1288static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg)
1289{
1290 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1291 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1292 struct nlattr *bss[NL80211_BSS_MAX + 1];
1293 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
1294 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
1295 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
ed0a4ddc 1296 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
a1fce391
JM		 1297 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
1298 };
1299 struct nl80211_get_assoc_freq_arg *ctx = arg;
1300 enum nl80211_bss_status status;
1301
1302 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1303 genlmsg_attrlen(gnlh, 0), NULL);
1304 if (!tb[NL80211_ATTR_BSS] ||
1305 nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
1306 bss_policy) ||
1307 !bss[NL80211_BSS_STATUS])
1308 return NL_SKIP;
1309
1310 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
1311 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1312 bss[NL80211_BSS_FREQUENCY]) {
1313 ctx->assoc_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1314 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
1315 ctx->assoc_freq);
1316 }
1317 if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
1318 bss[NL80211_BSS_FREQUENCY]) {
1319 ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1320 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
1321 ctx->ibss_freq);
1322 }
1323 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1324 bss[NL80211_BSS_BSSID]) {
1325 os_memcpy(ctx->assoc_bssid,
1326 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
1327 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
1328 MACSTR, MAC2STR(ctx->assoc_bssid));
1329 }
1330
ed0a4ddc
NW		 1331 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1332 bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
1333 const u8 *ie, *ssid;
1334 size_t ie_len;
1335
1336 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1337 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1338 ssid = get_ie(ie, ie_len, WLAN_EID_SSID);
1339 if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) {
1340 ctx->assoc_ssid_len = ssid[1];
1341 os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]);
1342 }
1343 }
1344
a1fce391
JM		 1345 return NL_SKIP;
1346}
1347
1348
ed0a4ddc
NW		 1349int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid)
1350{
1351 struct nl_msg *msg;
1352 int ret;
1353 struct nl80211_get_assoc_freq_arg arg;
16a26672 1354 int count = 0;
ed0a4ddc 1355
16a26672 1356try_again:
ed0a4ddc
NW		 1357 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1358 os_memset(&arg, 0, sizeof(arg));
1359 arg.drv = drv;
1360 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1361 &arg);
16a26672
JM		 1362 if (ret == -EAGAIN) {
1363 count++;
1364 if (count >= 10) {
1365 wpa_printf(MSG_INFO,
1366 "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid");
1367 } else {
1368 wpa_printf(MSG_DEBUG,
1369 "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid - try again");
1370 goto try_again;
1371 }
1372 }
ed0a4ddc
NW		 1373 if (ret == 0) {
1374 os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len);
1375 return arg.assoc_ssid_len;
1376 }
1377 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)",
1378 ret, strerror(-ret));
1379 return ret;
1380}
1381
1382
f3407c66 1383unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
f5a8d422
JM		 1384{
1385 struct nl_msg *msg;
1386 int ret;
a1fce391 1387 struct nl80211_get_assoc_freq_arg arg;
16a26672 1388 int count = 0;
f5a8d422 1389
16a26672 1390try_again:
9725b784 1391 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422 1392 os_memset(&arg, 0, sizeof(arg));
f5a8d422 1393 arg.drv = drv;
a1fce391
JM		 1394 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1395 &arg);
16a26672
JM		 1396 if (ret == -EAGAIN) {
1397 count++;
1398 if (count >= 10) {
1399 wpa_printf(MSG_INFO,
1400 "nl80211: Failed to receive consistent scan result dump for get_assoc_freq");
1401 } else {
1402 wpa_printf(MSG_DEBUG,
1403 "nl80211: Failed to receive consistent scan result dump for get_assoc_freq - try again");
1404 goto try_again;
1405 }
1406 }
f5a8d422 1407 if (ret == 0) {
c7caac56
JM		 1408 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1409 arg.ibss_freq : arg.assoc_freq;
f5a8d422 1410 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
c7caac56
JM		 1411 "associated BSS from scan results: %u MHz", freq);
1412 if (freq)
1413 drv->assoc_freq = freq;
30158a0d 1414 return drv->assoc_freq;
f5a8d422
JM		 1415 }
1416 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1417 "(%s)", ret, strerror(-ret));
f5a8d422
JM		 1418 return drv->assoc_freq;
1419}
1420
1421
60a972a6
JM		 1422static int get_link_signal(struct nl_msg *msg, void *arg)
1423{
1424 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1425 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1426 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1427 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1428 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1429 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
74fa78b2 1430 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1431 };
7ee35bf3
PS		 1432 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1433 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1434 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1435 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1436 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1437 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1438 };
1c5c7273 1439 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1440
1441 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1442 genlmsg_attrlen(gnlh, 0), NULL);
1443 if (!tb[NL80211_ATTR_STA_INFO] ||
1444 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1445 tb[NL80211_ATTR_STA_INFO], policy))
1446 return NL_SKIP;
1447 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1448 return NL_SKIP;
1449
7ee35bf3
PS		 1450 sig_change->current_signal =
1451 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1452
95783298
AO		 1453 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1454 sig_change->avg_signal =
1455 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1456 else
1457 sig_change->avg_signal = 0;
1458
74fa78b2
JM		 1459 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1460 sig_change->avg_beacon_signal =
1461 (s8)
1462 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1463 else
1464 sig_change->avg_beacon_signal = 0;
1465
7ee35bf3
PS		 1466 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1467 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1468 sinfo[NL80211_STA_INFO_TX_BITRATE],
1469 rate_policy)) {
1470 sig_change->current_txrate = 0;
1471 } else {
1472 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1473 sig_change->current_txrate =
1474 nla_get_u16(rinfo[
1475 NL80211_RATE_INFO_BITRATE]) * 100;
1476 }
1477 }
1478 }
1479
60a972a6
JM		 1480 return NL_SKIP;
1481}
1482
1483
f3407c66
JM		 1484int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1485 struct wpa_signal_info *sig)
60a972a6
JM		 1486{
1487 struct nl_msg *msg;
1488
941807f6 1489 sig->current_signal = -WPA_INVALID_NOISE;
7ee35bf3 1490 sig->current_txrate = 0;
60a972a6 1491
9725b784 1492 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
a862e4a3
JM		 1493 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1494 nlmsg_free(msg);
1495 return -ENOBUFS;
1496 }
60a972a6
JM		 1497
1498 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
60a972a6
JM		 1499}
1500
1501
7ee35bf3
PS		 1502static int get_link_noise(struct nl_msg *msg, void *arg)
1503{
1504 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1505 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1506 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1507 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1508 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1509 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1510 };
1c5c7273 1511 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 1512
1513 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1514 genlmsg_attrlen(gnlh, 0), NULL);
1515
1516 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1517 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1518 return NL_SKIP;
1519 }
1520
1521 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1522 tb[NL80211_ATTR_SURVEY_INFO],
1523 survey_policy)) {
1524 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1525 "attributes!");
1526 return NL_SKIP;
1527 }
1528
1529 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1530 return NL_SKIP;
1531
1532 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1533 sig_change->frequency)
1534 return NL_SKIP;
1535
1536 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1537 return NL_SKIP;
1538
1539 sig_change->current_noise =
1540 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1541
1542 return NL_SKIP;
1543}
1544
1545
f3407c66
JM		 1546int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1547 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 1548{
1549 struct nl_msg *msg;
1550
941807f6 1551 sig_change->current_noise = WPA_INVALID_NOISE;
7ee35bf3
PS		 1552 sig_change->frequency = drv->assoc_freq;
1553
9725b784 1554 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3 1555 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
7ee35bf3
PS		 1556}
1557
1558
7f00dc6e
MV		 1559static int get_channel_info(struct nl_msg *msg, void *arg)
1560{
1561 struct nlattr *tb[NL80211_ATTR_MAX + 1] = { 0 };
1562 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1563 struct wpa_channel_info *chan_info = arg;
1564
1565 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1566 genlmsg_attrlen(gnlh, 0), NULL);
1567
1568 os_memset(chan_info, 0, sizeof(struct wpa_channel_info));
1569 chan_info->chanwidth = CHAN_WIDTH_UNKNOWN;
1570
1571 if (tb[NL80211_ATTR_WIPHY_FREQ])
1572 chan_info->frequency =
1573 nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1574 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1575 chan_info->chanwidth = convert2width(
1576 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
1577 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1578 enum nl80211_channel_type ct =
1579 nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1580
1581 switch (ct) {
1582 case NL80211_CHAN_HT40MINUS:
1583 chan_info->sec_channel = -1;
1584 break;
1585 case NL80211_CHAN_HT40PLUS:
1586 chan_info->sec_channel = 1;
1587 break;
1588 default:
1589 chan_info->sec_channel = 0;
1590 break;
1591 }
1592 }
1593 if (tb[NL80211_ATTR_CENTER_FREQ1])
1594 chan_info->center_frq1 =
1595 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1596 if (tb[NL80211_ATTR_CENTER_FREQ2])
1597 chan_info->center_frq2 =
1598 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1599
1600 if (chan_info->center_frq2) {
1601 u8 seg1_idx = 0;
1602
1603 if (ieee80211_freq_to_chan(chan_info->center_frq2, &seg1_idx) !=
1604 NUM_HOSTAPD_MODES)
1605 chan_info->seg1_idx = seg1_idx;
1606 }
1607
1608 return NL_SKIP;
1609}
1610
1611
1612static int nl80211_channel_info(void *priv, struct wpa_channel_info *ci)
1613{
1614 struct i802_bss *bss = priv;
1615 struct wpa_driver_nl80211_data *drv = bss->drv;
1616 struct nl_msg *msg;
1617
1618 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
1619 return send_and_recv_msgs(drv, msg, get_channel_info, ci);
1620}
1621
1622
97865538 1623static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 1624 void *handle)
97865538 1625{
a4ae123c 1626 struct nl_cb *cb = eloop_ctx;
34068ac3 1627 int res;
97865538 1628
cc2ada86 1629 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 1630
34068ac3 1631 res = nl_recvmsgs(handle, cb);
d3d04831 1632 if (res < 0) {
34068ac3
JM		 1633 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1634 __func__, res);
1635 }
97865538
JM		 1636}
1637
1638
6d158490
LR		 1639/**
1640 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1641 * @priv: driver_nl80211 private data
1642 * @alpha2_arg: country to which to switch to
1643 * Returns: 0 on success, -1 on failure
1644 *
1645 * This asks nl80211 to set the regulatory domain for given
1646 * country ISO / IEC alpha2.
1647 */
1648static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1649{
a2e40bb6
FF		 1650 struct i802_bss *bss = priv;
1651 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 1652 char alpha2[3];
1653 struct nl_msg *msg;
1654
1655 msg = nlmsg_alloc();
1656 if (!msg)
e785c2ba 1657 return -ENOMEM;
6d158490
LR		 1658
1659 alpha2[0] = alpha2_arg[0];
1660 alpha2[1] = alpha2_arg[1];
1661 alpha2[2] = '\0';
1662
a862e4a3
JM		 1663 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1664 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1665 nlmsg_free(msg);
1666 return -EINVAL;
1667 }
6d158490
LR		 1668 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1669 return -EINVAL;
1670 return 0;
6d158490
LR		 1671}
1672
1673
f0793bf1
JM		 1674static int nl80211_get_country(struct nl_msg *msg, void *arg)
1675{
1676 char *alpha2 = arg;
1677 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1678 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1679
1680 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1681 genlmsg_attrlen(gnlh, 0), NULL);
1682 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1683 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1684 return NL_SKIP;
1685 }
1686 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1687 return NL_SKIP;
1688}
1689
1690
1691static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1692{
1693 struct i802_bss *bss = priv;
1694 struct wpa_driver_nl80211_data *drv = bss->drv;
1695 struct nl_msg *msg;
1696 int ret;
1697
1698 msg = nlmsg_alloc();
1699 if (!msg)
1700 return -ENOMEM;
1701
1702 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1703 alpha2[0] = '\0';
1704 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1705 if (!alpha2[0])
1706 ret = -1;
1707
1708 return ret;
1709}
1710
1711
2a7b66f5
BG		 1712static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1713{
d6c9aab8
JB		 1714 int ret;
1715
2a7b66f5
BG		 1716 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1717 if (global->nl_cb == NULL) {
1718 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1719 "callbacks");
1720 return -1;
1721 }
1722
481234cf
JM		 1723 global->nl = nl_create_handle(global->nl_cb, "nl");
1724 if (global->nl == NULL)
d6c9aab8 1725 goto err;
276e2d67 1726
481234cf 1727 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 1728 if (global->nl80211_id < 0) {
276e2d67
BG		 1729 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1730 "found");
d6c9aab8 1731 goto err;
276e2d67
BG		 1732 }
1733
481234cf
JM		 1734 global->nl_event = nl_create_handle(global->nl_cb, "event");
1735 if (global->nl_event == NULL)
d6c9aab8 1736 goto err;
9fff9fdc 1737
d6c9aab8 1738 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 1739 if (ret >= 0)
481234cf 1740 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 1741 if (ret < 0) {
1742 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1743 "membership for scan events: %d (%s)",
3ea58a05 1744 ret, nl_geterror(ret));
d6c9aab8 1745 goto err;
97865538 1746 }
c2a04078 1747
d6c9aab8 1748 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 1749 if (ret >= 0)
481234cf 1750 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 1751 if (ret < 0) {
1752 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1753 "membership for mlme events: %d (%s)",
3ea58a05 1754 ret, nl_geterror(ret));
d6c9aab8 1755 goto err;
c2a04078 1756 }
c2a04078 1757
d6c9aab8 1758 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 1759 if (ret >= 0)
481234cf 1760 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 1761 if (ret < 0) {
1762 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1763 "membership for regulatory events: %d (%s)",
3ea58a05 1764 ret, nl_geterror(ret));
33c5deb8
JM		 1765 /* Continue without regulatory events */
1766 }
1767
17b79e65
JM		 1768 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1769 if (ret >= 0)
1770 ret = nl_socket_add_membership(global->nl_event, ret);
1771 if (ret < 0) {
1772 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1773 "membership for vendor events: %d (%s)",
3ea58a05 1774 ret, nl_geterror(ret));
17b79e65
JM		 1775 /* Continue without vendor events */
1776 }
1777
d6c9aab8
JB		 1778 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1779 no_seq_check, NULL);
1780 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1781 process_global_event, global);
1782
5f65e9f7
JB		 1783 nl80211_register_eloop_read(&global->nl_event,
1784 wpa_driver_nl80211_event_receive,
40a68f33 1785 global->nl_cb, 0);
d6c9aab8
JB		 1786
1787 return 0;
1788
1789err:
1790 nl_destroy_handles(&global->nl_event);
1791 nl_destroy_handles(&global->nl);
1792 nl_cb_put(global->nl_cb);
671a5039 1793 global->nl_cb = NULL;
d6c9aab8
JB		 1794 return -1;
1795}
1796
1797
f51f54a0
JM		 1798static void nl80211_check_global(struct nl80211_global *global)
1799{
25ebd538 1800 struct nl_sock *handle;
f51f54a0
JM		 1801 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1802 int ret;
1803 unsigned int i;
1804
1805 /*
1806 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1807 * and all registration having been cleared.
1808 */
1809 handle = (void *) (((intptr_t) global->nl_event) ^
1810 ELOOP_SOCKET_INVALID);
1811
1812 for (i = 0; groups[i]; i++) {
1813 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1814 if (ret >= 0)
1815 ret = nl_socket_add_membership(handle, ret);
1816 if (ret < 0) {
1817 wpa_printf(MSG_INFO,
1818 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
3ea58a05 1819 groups[i], ret, nl_geterror(ret));
f51f54a0
JM		 1820 }
1821 }
1822}
1823
1824
8401a6b0
JM		 1825static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1826{
6da504a1
IP		 1827 struct wpa_driver_nl80211_data *drv = ctx;
1828
8401a6b0 1829 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
6da504a1 1830
a63063b4 1831 /*
6da504a1
IP		 1832 * rtnetlink ifdown handler will report interfaces other than the P2P
1833 * Device interface as disabled.
a63063b4 1834 */
6da504a1
IP		 1835 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1836 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
8401a6b0
JM		 1837}
1838
1839
1840static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1841{
1842 struct wpa_driver_nl80211_data *drv = ctx;
1843 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 1844 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 1845 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1846 "after rfkill unblock");
1847 return;
1848 }
e8dc205f
AO		 1849
1850 if (is_p2p_net_interface(drv->nlmode))
1851 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1852
6da504a1
IP		 1853 /*
1854 * rtnetlink ifup handler will report interfaces other than the P2P
1855 * Device interface as enabled.
1856 */
1857 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1858 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
8401a6b0
JM		 1859}
1860
1861
32ab4855
JB		 1862static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1863 void *eloop_ctx,
1864 void *handle)
1865{
1866 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1867 u8 data[2048];
1868 struct msghdr msg;
1869 struct iovec entry;
cad0f50e 1870 u8 control[512];
32ab4855
JB		 1871 struct cmsghdr *cmsg;
1872 int res, found_ee = 0, found_wifi = 0, acked = 0;
1873 union wpa_event_data event;
1874
1875 memset(&msg, 0, sizeof(msg));
1876 msg.msg_iov = &entry;
1877 msg.msg_iovlen = 1;
1878 entry.iov_base = data;
1879 entry.iov_len = sizeof(data);
1880 msg.msg_control = &control;
1881 msg.msg_controllen = sizeof(control);
1882
1883 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1884 /* if error or not fitting 802.3 header, return */
1885 if (res < 14)
1886 return;
1887
1888 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1889 {
1890 if (cmsg->cmsg_level == SOL_SOCKET &&
1891 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1892 int *ack;
1893
1894 found_wifi = 1;
1895 ack = (void *)CMSG_DATA(cmsg);
1896 acked = *ack;
1897 }
1898
1899 if (cmsg->cmsg_level == SOL_PACKET &&
1900 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1901 struct sock_extended_err *err =
1902 (struct sock_extended_err *)CMSG_DATA(cmsg);
1903
1904 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1905 found_ee = 1;
1906 }
1907 }
1908
1909 if (!found_ee || !found_wifi)
1910 return;
1911
1912 memset(&event, 0, sizeof(event));
1913 event.eapol_tx_status.dst = data;
1914 event.eapol_tx_status.data = data + 14;
1915 event.eapol_tx_status.data_len = res - 14;
1916 event.eapol_tx_status.ack = acked;
1917 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1918}
1919
1920
cc7a48d1
JB		 1921static int nl80211_init_bss(struct i802_bss *bss)
1922{
1923 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1924 if (!bss->nl_cb)
1925 return -1;
1926
1927 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1928 no_seq_check, NULL);
1929 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1930 process_bss_event, bss);
1931
1932 return 0;
1933}
1934
1935
1936static void nl80211_destroy_bss(struct i802_bss *bss)
1937{
1938 nl_cb_put(bss->nl_cb);
1939 bss->nl_cb = NULL;
1940}
1941
1942
0e92fb8f
JB		 1943static void
1944wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1945{
1946 struct rfkill_config *rcfg;
1947
1948 if (drv->rfkill)
1949 return;
1950
1951 rcfg = os_zalloc(sizeof(*rcfg));
1952 if (!rcfg)
1953 return;
1954
1955 rcfg->ctx = drv;
1956
1957 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1958 * not associated with a netdev, so use the name of some other interface
1959 * sharing the same wiphy as the P2P Device interface.
1960 *
1961 * Note: This is valid, as a P2P Device interface is always dynamically
1962 * created and is created only once another wpa_s interface was added.
1963 */
1964 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1965 struct nl80211_global *global = drv->global;
1966 struct wpa_driver_nl80211_data *tmp1;
1967
1968 dl_list_for_each(tmp1, &global->interfaces,
1969 struct wpa_driver_nl80211_data, list) {
1970 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1971 !tmp1->rfkill)
1972 continue;
1973
1974 wpa_printf(MSG_DEBUG,
1975 "nl80211: Use (%s) to initialize P2P Device rfkill",
1976 tmp1->first_bss->ifname);
1977 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1978 sizeof(rcfg->ifname));
1979 break;
1980 }
1981 } else {
1982 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1983 sizeof(rcfg->ifname));
1984 }
1985
1986 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1987 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1988 drv->rfkill = rfkill_init(rcfg);
1989 if (!drv->rfkill) {
1990 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1991 os_free(rcfg);
1992 }
1993}
1994
1995
0d547d5f
JM		 1996static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1997 void *global_priv, int hostapd,
0ecff8d7
JM		 1998 const u8 *set_addr,
1999 const char *driver_params)
9fff9fdc 2000{
9fff9fdc 2001 struct wpa_driver_nl80211_data *drv;
a2e40bb6 2002 struct i802_bss *bss;
9fff9fdc 2003
a5c696ad
JM		 2004 if (global_priv == NULL)
2005 return NULL;
9fff9fdc
JM		 2006 drv = os_zalloc(sizeof(*drv));
2007 if (drv == NULL)
2008 return NULL;
f2ed8023 2009 drv->global = global_priv;
9fff9fdc 2010 drv->ctx = ctx;
0d547d5f
JM		 2011 drv->hostapd = !!hostapd;
2012 drv->eapol_sock = -1;
64ae2447
JM		 2013
2014 /*
2015 * There is no driver capability flag for this, so assume it is
2016 * supported and disable this on first attempt to use if the driver
2017 * rejects the command due to missing support.
2018 */
2019 drv->set_rekey_offload = 1;
2020
099224c1 2021 drv->num_if_indices = ARRAY_SIZE(drv->default_if_indices);
0d547d5f 2022 drv->if_indices = drv->default_if_indices;
834ee56f
KP		 2023
2024 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
2025 if (!drv->first_bss) {
2026 os_free(drv);
2027 return NULL;
2028 }
2029 bss = drv->first_bss;
a2e40bb6 2030 bss->drv = drv;
a5e1eb20
SE		 2031 bss->ctx = ctx;
2032
a2e40bb6 2033 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 2034 drv->monitor_ifidx = -1;
2035 drv->monitor_sock = -1;
d12dab4c 2036 drv->eapol_tx_sock = -1;
b1f625e0 2037 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 2038
cc7a48d1
JB		 2039 if (nl80211_init_bss(bss))
2040 goto failed;
2041
0ecff8d7 2042 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
bbaf0837 2043 goto failed;
7524cfb1 2044
d12dab4c 2045 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 2046 if (drv->eapol_tx_sock < 0)
2047 goto failed;
2048
2049 if (drv->data_tx_status) {
2050 int enabled = 1;
2051
2052 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
2053 &enabled, sizeof(enabled)) < 0) {
2054 wpa_printf(MSG_DEBUG,
2055 "nl80211: wifi status sockopt failed\n");
2056 drv->data_tx_status = 0;
a11241fa
JB		 2057 if (!drv->use_monitor)
2058 drv->capa.flags &=
2059 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 2060 } else {
2061 eloop_register_read_sock(drv->eapol_tx_sock,
2062 wpa_driver_nl80211_handle_eapol_tx_status,
2063 drv, NULL);
2064 }
2065 }
f10bfc9a 2066
dac12351 2067 if (drv->global) {
f51f54a0 2068 nl80211_check_global(drv->global);
c4bb8817 2069 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 2070 drv->in_interface_list = 1;
2071 }
c4bb8817 2072
a2e40bb6 2073 return bss;
7524cfb1 2074
bbaf0837 2075failed:
dac12351 2076 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 2077 return NULL;
2078}
2079
2080
0d547d5f
JM		 2081/**
2082 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
2083 * @ctx: context to be used when calling wpa_supplicant functions,
2084 * e.g., wpa_supplicant_event()
2085 * @ifname: interface name, e.g., wlan0
2086 * @global_priv: private driver global data from global_init()
2087 * Returns: Pointer to private data, %NULL on failure
2088 */
2089static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
2090 void *global_priv)
2091{
0ecff8d7
JM		 2092 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
2093 NULL);
0d547d5f
JM		 2094}
2095
2096
a11241fa 2097static int nl80211_register_frame(struct i802_bss *bss,
25ebd538 2098 struct nl_sock *nl_handle,
bd94971e 2099 u16 type, const u8 *match, size_t match_len)
58f6fbe0 2100{
a11241fa 2101 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 2102 struct nl_msg *msg;
a862e4a3 2103 int ret;
880de885 2104 char buf[30];
58f6fbe0 2105
880de885
JM		 2106 buf[0] = '\0';
2107 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
dedfa440
PF		 2108 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
2109 type, fc2str(type), nl_handle, buf);
36488c05 2110
d5798e43 2111 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_FRAME)) ||
a862e4a3
JM		 2112 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
2113 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
2114 nlmsg_free(msg);
2115 return -1;
2116 }
58f6fbe0 2117
d6c9aab8 2118 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0 2119 if (ret) {
5582a5d1
JB		 2120 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
2121 "failed (type=%u): ret=%d (%s)",
2122 type, ret, strerror(-ret));
2123 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0 2124 match, match_len);
58f6fbe0 2125 }
58f6fbe0
JM		 2126 return ret;
2127}
2128
2129
a11241fa
JB		 2130static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
2131{
481234cf 2132 if (bss->nl_mgmt) {
a11241fa 2133 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 2134 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 2135 return -1;
2136 }
2137
ce20a370 2138 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
481234cf 2139 if (bss->nl_mgmt == NULL)
a11241fa
JB		 2140 return -1;
2141
a11241fa
JB		 2142 return 0;
2143}
2144
2145
5f65e9f7
JB		 2146static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
2147{
2148 nl80211_register_eloop_read(&bss->nl_mgmt,
2149 wpa_driver_nl80211_event_receive,
40a68f33 2150 bss->nl_cb, 0);
5f65e9f7
JB		 2151}
2152
2153
a11241fa 2154static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 2155 const u8 *match, size_t match_len)
2156{
2157 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 2158 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 2159 type, match, match_len);
bd94971e
JB		 2160}
2161
2162
40a68f33
SD		 2163static int nl80211_init_connect_handle(struct i802_bss *bss)
2164{
2165 if (bss->nl_connect) {
2166 wpa_printf(MSG_DEBUG,
2167 "nl80211: Connect handle already created (nl_connect=%p)",
2168 bss->nl_connect);
2169 return -1;
2170 }
2171
2172 bss->nl_connect = nl_create_handle(bss->nl_cb, "connect");
2173 if (!bss->nl_connect)
2174 return -1;
2175 nl80211_register_eloop_read(&bss->nl_connect,
2176 wpa_driver_nl80211_event_receive,
2177 bss->nl_cb, 1);
2178 return 0;
2179}
2180
2181
a11241fa 2182static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 2183{
a11241fa 2184 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 2185 int ret = 0;
a11241fa
JB		 2186
2187 if (nl80211_alloc_mgmt_handle(bss))
2188 return -1;
36488c05
JM		 2189 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
2190 "handle %p", bss->nl_mgmt);
a11241fa 2191
ba71cb82
SD		 2192 if (drv->nlmode == NL80211_IFTYPE_ADHOC ||
2193 ((drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
2194 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME))) {
e8d1168b
JB		 2195 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2196
2197 /* register for any AUTH message */
2198 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
2199 }
2200
56f5af48
JM		 2201#ifdef CONFIG_INTERWORKING
2202 /* QoS Map Configure */
2203 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 2204 ret = -1;
56f5af48 2205#endif /* CONFIG_INTERWORKING */
00b02149 2206#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP)
046b26a2 2207 /* GAS Initial Request */
a11241fa 2208 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 2209 ret = -1;
046b26a2 2210 /* GAS Initial Response */
a11241fa 2211 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 2212 ret = -1;
18708aad 2213 /* GAS Comeback Request */
a11241fa 2214 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 2215 ret = -1;
18708aad 2216 /* GAS Comeback Response */
a11241fa 2217 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 2218 ret = -1;
c5a64e2d
JM		 2219 /* Protected GAS Initial Request */
2220 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
2221 ret = -1;
2222 /* Protected GAS Initial Response */
2223 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
2224 ret = -1;
2225 /* Protected GAS Comeback Request */
2226 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
2227 ret = -1;
2228 /* Protected GAS Comeback Response */
2229 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
2230 ret = -1;
00b02149 2231#endif /* CONFIG_P2P || CONFIG_INTERWORKING || CONFIG_DPP */
4fe9fa0d 2232#ifdef CONFIG_P2P
046b26a2 2233 /* P2P Public Action */
a11241fa 2234 if (nl80211_register_action_frame(bss,
046b26a2
JM		 2235 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
2236 6) < 0)
6f06766e 2237 ret = -1;
046b26a2 2238 /* P2P Action */
a11241fa 2239 if (nl80211_register_action_frame(bss,
046b26a2
JM		 2240 (u8 *) "\x7f\x50\x6f\x9a\x09",
2241 5) < 0)
6f06766e 2242 ret = -1;
046b26a2 2243#endif /* CONFIG_P2P */
00b02149
JM		 2244#ifdef CONFIG_DPP
2245 /* DPP Public Action */
2246 if (nl80211_register_action_frame(bss,
2247 (u8 *) "\x04\x09\x50\x6f\x9a\x1a",
2248 6) < 0)
2249 ret = -1;
2250#endif /* CONFIG_DPP */
f9da7505
MV		 2251#ifdef CONFIG_OCV
2252 /* SA Query Request */
2253 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x00", 2) < 0)
2254 ret = -1;
2255#endif /* CONFIG_OCV */
7d878ca7 2256 /* SA Query Response */
a11241fa 2257 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 2258 ret = -1;
35287637
AN		 2259#ifdef CONFIG_TDLS
2260 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
2261 /* TDLS Discovery Response */
aa543c0c 2262 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 2263 0)
6f06766e 2264 ret = -1;
35287637
AN		 2265 }
2266#endif /* CONFIG_TDLS */
46ab9b8c
AN		 2267#ifdef CONFIG_FST
2268 /* FST Action frames */
2269 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2270 ret = -1;
2271#endif /* CONFIG_FST */
046b26a2 2272
7b90c16a 2273 /* FT Action frames */
a11241fa 2274 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 2275 ret = -1;
7b90c16a
JM		 2276 else
2277 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
2278 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2279
71269b37 2280 /* WNM - BSS Transition Management Request */
a11241fa 2281 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 2282 ret = -1;
bd896433
JM		 2283 /* WNM-Sleep Mode Response */
2284 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 2285 ret = -1;
d514b502
JM		 2286#ifdef CONFIG_WNM
2287 /* WNM - Collocated Interference Request */
2288 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x0b", 2) < 0)
2289 ret = -1;
2290#endif /* CONFIG_WNM */
a11241fa 2291
95a3ea94
JM		 2292#ifdef CONFIG_HS20
2293 /* WNM-Notification */
2294 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
3ee18569 2295 ret = -1;
95a3ea94
JM		 2296#endif /* CONFIG_HS20 */
2297
dfa87878
MB		 2298 /* WMM-AC ADDTS Response */
2299 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
730a0d16 2300 ret = -1;
dfa87878
MB		 2301
2302 /* WMM-AC DELTS */
2303 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
730a0d16 2304 ret = -1;
dfa87878 2305
2526ccd9
AK		 2306 /* Radio Measurement - Neighbor Report Response */
2307 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
2308 ret = -1;
2309
864b9522
DS		 2310 /* Radio Measurement - Radio Measurement Request */
2311 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2312 ret = -1;
2313
7dc03388
AO		 2314 /* Radio Measurement - Link Measurement Request */
2315 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2316 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2317 ret = -1;
2318
5f65e9f7
JB		 2319 nl80211_mgmt_handle_register_eloop(bss);
2320
6f06766e 2321 return ret;
a11241fa
JB		 2322}
2323
2324
afb0550a
BC		 2325static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2326{
2327 int ret = 0;
2328
2329 if (nl80211_alloc_mgmt_handle(bss))
2330 return -1;
2331
2332 wpa_printf(MSG_DEBUG,
2333 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2334 bss->nl_mgmt);
2335
2336 /* Auth frames for mesh SAE */
2337 if (nl80211_register_frame(bss, bss->nl_mgmt,
2338 (WLAN_FC_TYPE_MGMT << 2) |
2339 (WLAN_FC_STYPE_AUTH << 4),
2340 NULL, 0) < 0)
2341 ret = -1;
2342
2343 /* Mesh peering open */
2344 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2345 ret = -1;
2346 /* Mesh peering confirm */
2347 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2348 ret = -1;
2349 /* Mesh peering close */
2350 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2351 ret = -1;
2352
2353 nl80211_mgmt_handle_register_eloop(bss);
2354
2355 return ret;
2356}
2357
2358
02bb32c3
JB		 2359static int nl80211_register_spurious_class3(struct i802_bss *bss)
2360{
02bb32c3 2361 struct nl_msg *msg;
a862e4a3 2362 int ret;
02bb32c3 2363
13f83980
JM		 2364 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2365 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 2366 if (ret) {
2367 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2368 "failed: ret=%d (%s)",
2369 ret, strerror(-ret));
02bb32c3 2370 }
02bb32c3
JB		 2371 return ret;
2372}
2373
2374
4d916ed6
KV		 2375static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2376{
2377 int ret = 0;
2378
2379 /* Public Action frames */
2380 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2381 ret = -1;
2382 /* RRM Measurement Report */
2383 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2384 ret = -1;
e4ec6bbf
JM		 2385 /* RRM Link Measurement Report */
2386 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0)
2387 ret = -1;
4d916ed6
KV		 2388 /* RRM Neighbor Report Request */
2389 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2390 ret = -1;
2391 /* FT Action frames */
2392 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2393 ret = -1;
4d916ed6
KV		 2394 /* SA Query */
2395 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2396 ret = -1;
4d916ed6
KV		 2397 /* Protected Dual of Public Action */
2398 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2399 ret = -1;
2400 /* WNM */
2401 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2402 ret = -1;
2403 /* WMM */
2404 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2405 ret = -1;
2406#ifdef CONFIG_FST
2407 /* FST Action frames */
2408 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2409 ret = -1;
2410#endif /* CONFIG_FST */
2411 /* Vendor-specific */
2412 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2413 ret = -1;
2414
2415 return ret;
2416}
2417
2418
a11241fa
JB		 2419static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2420{
2421 static const int stypes[] = {
2422 WLAN_FC_STYPE_AUTH,
2423 WLAN_FC_STYPE_ASSOC_REQ,
2424 WLAN_FC_STYPE_REASSOC_REQ,
2425 WLAN_FC_STYPE_DISASSOC,
2426 WLAN_FC_STYPE_DEAUTH,
a11241fa
JB		 2427 WLAN_FC_STYPE_PROBE_REQ,
2428/* Beacon doesn't work as mac80211 doesn't currently allow
2429 * it, but it wouldn't really be the right thing anyway as
2430 * it isn't per interface ... maybe just dump the scan
2431 * results periodically for OLBC?
2432 */
0e80ea2c 2433 /* WLAN_FC_STYPE_BEACON, */
a11241fa
JB		 2434 };
2435 unsigned int i;
2436
2437 if (nl80211_alloc_mgmt_handle(bss))
71269b37 2438 return -1;
36488c05
JM		 2439 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2440 "handle %p", bss->nl_mgmt);
71269b37 2441
e7ecab4a 2442 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 2443 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 2444 (WLAN_FC_TYPE_MGMT << 2) |
2445 (stypes[i] << 4),
2446 NULL, 0) < 0) {
2447 goto out_err;
2448 }
2449 }
2450
4d916ed6
KV		 2451 if (nl80211_action_subscribe_ap(bss))
2452 goto out_err;
2453
02bb32c3
JB		 2454 if (nl80211_register_spurious_class3(bss))
2455 goto out_err;
2456
5f65e9f7 2457 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 2458 return 0;
a11241fa
JB		 2459
2460out_err:
a11241fa
JB		 2461 nl_destroy_handles(&bss->nl_mgmt);
2462 return -1;
2463}
2464
2465
a6cc0602
JM		 2466static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2467{
2468 if (nl80211_alloc_mgmt_handle(bss))
2469 return -1;
2470 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2471 "handle %p (device SME)", bss->nl_mgmt);
2472
4d916ed6 2473 if (nl80211_action_subscribe_ap(bss))
a6cc0602
JM		 2474 goto out_err;
2475
236e793e
SD		 2476 if (bss->drv->device_ap_sme) {
2477 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2478
2479 /* Register for all Authentication frames */
2480 if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0)
2481 < 0)
2482 wpa_printf(MSG_DEBUG,
2483 "nl80211: Failed to subscribe to handle Authentication frames - SAE offload may not work");
2484 }
2485
5f65e9f7 2486 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 2487 return 0;
2488
2489out_err:
a6cc0602
JM		 2490 nl_destroy_handles(&bss->nl_mgmt);
2491 return -1;
2492}
2493
2494
36488c05 2495static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 2496{
481234cf 2497 if (bss->nl_mgmt == NULL)
a11241fa 2498 return;
36488c05
JM		 2499 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2500 "(%s)", bss->nl_mgmt, reason);
40a68f33 2501 nl80211_destroy_eloop_handle(&bss->nl_mgmt, 0);
7813b7c3
MH		 2502
2503 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 2504}
2505
2506
8401a6b0
JM		 2507static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2508{
2509 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2510}
2511
2512
eb4582f2
AS		 2513static void nl80211_del_p2pdev(struct i802_bss *bss)
2514{
eb4582f2
AS		 2515 struct nl_msg *msg;
2516 int ret;
2517
a3249fdf
JM		 2518 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2519 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
eb4582f2
AS		 2520
2521 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2522 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2523 strerror(-ret));
eb4582f2
AS		 2524}
2525
2526
eb4582f2 2527static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483 2528{
f632e483 2529 struct nl_msg *msg;
a862e4a3 2530 int ret;
f632e483 2531
a3249fdf
JM		 2532 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2533 NL80211_CMD_STOP_P2P_DEVICE);
2534 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
f632e483 2535
eb4582f2
AS		 2536 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2537 start ? "Start" : "Stop",
2538 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2539 strerror(-ret));
f632e483
AS		 2540 return ret;
2541}
f632e483
AS		 2542
2543
91724d6f
AS		 2544static int i802_set_iface_flags(struct i802_bss *bss, int up)
2545{
2546 enum nl80211_iftype nlmode;
2547
2548 nlmode = nl80211_get_ifmode(bss);
2549 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2550 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2551 bss->ifname, up);
2552 }
2553
2554 /* P2P Device has start/stop which is equivalent */
2555 return nl80211_set_p2pdev(bss, up);
2556}
2557
2558
1db718b3
JM		 2559#ifdef CONFIG_TESTING_OPTIONS
2560static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2561{
2562 /* struct wpa_driver_nl80211_data *drv = arg; */
2563 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2564 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2565
2566
2567 wpa_printf(MSG_DEBUG,
2568 "nl80211: QCA vendor test command response received");
2569
2570 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2571 genlmsg_attrlen(gnlh, 0), NULL);
2572 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2573 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2574 return NL_SKIP;
2575 }
2576
2577 wpa_hexdump(MSG_DEBUG,
2578 "nl80211: Received QCA vendor test command response",
2579 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2580 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2581
2582 return NL_SKIP;
2583}
2584#endif /* CONFIG_TESTING_OPTIONS */
2585
2586
2587static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2588{
2589#ifdef CONFIG_TESTING_OPTIONS
2590 struct nl_msg *msg;
2591 struct nlattr *params;
2592 int ret;
2593
2594 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2595 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2596 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2597 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2598 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2599 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2600 nlmsg_free(msg);
2601 return;
2602 }
2603 nla_nest_end(msg, params);
2604
2605 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2606 wpa_printf(MSG_DEBUG,
2607 "nl80211: QCA vendor test command returned %d (%s)",
2608 ret, strerror(-ret));
2609#endif /* CONFIG_TESTING_OPTIONS */
2610}
2611
2612
362f781e 2613static int
0d547d5f 2614wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 2615 const u8 *set_addr, int first,
2616 const char *driver_params)
7524cfb1 2617{
834ee56f 2618 struct i802_bss *bss = drv->first_bss;
8401a6b0 2619 int send_rfkill_event = 0;
0d547d5f 2620 enum nl80211_iftype nlmode;
a2e40bb6
FF		 2621
2622 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 2623 bss->ifindex = drv->ifindex;
2624 bss->wdev_id = drv->global->if_add_wdevid;
2625 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2626
60b13c20
IP		 2627 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2628 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 2629 drv->global->if_add_wdevid_set = 0;
2630
bf144cf6
AP		 2631 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2632 bss->static_ap = 1;
2633
ef3866ab
IP		 2634 if (first &&
2635 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2636 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2637 drv->start_iface_up = 1;
2638
f632e483
AS		 2639 if (wpa_driver_nl80211_capa(drv))
2640 return -1;
a87c9d96 2641
0ecff8d7
JM		 2642 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2643 return -1;
2644
5fbcb45d
AS		 2645 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2646 bss->ifname, drv->phyname);
2647
0d547d5f
JM		 2648 if (set_addr &&
2649 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2650 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2651 set_addr)))
2652 return -1;
2653
49b4b205
JM		 2654 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2655 drv->start_mode_ap = 1;
2656
bf144cf6 2657 if (drv->hostapd || bss->static_ap)
0d547d5f 2658 nlmode = NL80211_IFTYPE_AP;
4fe726e2
FF		 2659 else if (bss->if_dynamic ||
2660 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
8e12685c 2661 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 2662 else
2663 nlmode = NL80211_IFTYPE_STATION;
f632e483 2664
8e12685c 2665 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 2666 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 2667 return -1;
a87c9d96
JM		 2668 }
2669
8c06db70 2670 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 2671 nl80211_get_macaddr(bss);
f632e483 2672
0e92fb8f
JB		 2673 wpa_driver_nl80211_drv_init_rfkill(drv);
2674
8c06db70
MB		 2675 if (!rfkill_is_blocked(drv->rfkill)) {
2676 int ret = i802_set_iface_flags(bss, 1);
2677 if (ret) {
8401a6b0
JM		 2678 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2679 "interface '%s' UP", bss->ifname);
8c06db70 2680 return ret;
8401a6b0 2681 }
e8dc205f
AO		 2682
2683 if (is_p2p_net_interface(nlmode))
2684 nl80211_disable_11b_rates(bss->drv,
2685 bss->drv->ifindex, 1);
2686
8c06db70
MB		 2687 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2688 return ret;
2689 } else {
2690 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2691 "interface '%s' due to rfkill", bss->ifname);
6da504a1
IP		 2692 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2693 drv->if_disabled = 1;
2694
8c06db70 2695 send_rfkill_event = 1;
362f781e 2696 }
3f5285e8 2697
6da504a1 2698 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
0d547d5f
JM		 2699 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2700 1, IF_OPER_DORMANT);
362f781e 2701
6da504a1
IP		 2702 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2703 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2704 bss->addr))
2705 return -1;
2706 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2707 }
f2ed8023 2708
8401a6b0
JM		 2709 if (send_rfkill_event) {
2710 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2711 drv, drv->ctx);
2712 }
2713
1db718b3
JM		 2714 if (drv->vendor_cmd_test_avail)
2715 qca_vendor_test(drv);
2716
40a68f33
SD		 2717 nl80211_init_connect_handle(bss);
2718
362f781e 2719 return 0;
3f5285e8
JM		 2720}
2721
2722
a70cd0db 2723static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss)
8a27af5c
JM		 2724{
2725 struct nl_msg *msg;
a70cd0db 2726 struct wpa_driver_nl80211_data *drv = bss->drv;
8a27af5c 2727
08e55ebb
JM		 2728 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2729 drv->ifindex);
a70cd0db 2730 nl80211_put_wiphy_data_ap(bss);
9725b784 2731 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
8a27af5c 2732 return send_and_recv_msgs(drv, msg, NULL, NULL);
8a27af5c 2733}
8a27af5c
JM		 2734
2735
3f5285e8 2736/**
7e5ba1b9 2737 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 2738 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 2739 *
2740 * Shut down driver interface and processing of driver events. Free
2741 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2742 */
9ebce9c5 2743static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 2744{
a2e40bb6 2745 struct wpa_driver_nl80211_data *drv = bss->drv;
cc9a2575 2746 unsigned int i;
3f5285e8 2747
3e208481
JM		 2748 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2749 bss->ifname, drv->disabled_11b_rates);
2750
873d0fcf 2751 bss->in_deinit = 1;
32ab4855
JB		 2752 if (drv->data_tx_status)
2753 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 2754 if (drv->eapol_tx_sock >= 0)
2755 close(drv->eapol_tx_sock);
f10bfc9a 2756
481234cf 2757 if (bss->nl_preq)
5582a5d1 2758 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 2759 if (bss->added_if_into_bridge) {
c81eff1a
BG		 2760 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2761 bss->ifname) < 0)
94627f6c
JM		 2762 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2763 "interface %s from bridge %s: %s",
e17a2477 2764 bss->ifname, bss->brname, strerror(errno));
94627f6c 2765 }
c809756f
SM		 2766
2767 if (drv->rtnl_sk)
25ebd538 2768 nl_socket_free(drv->rtnl_sk);
c809756f 2769
e17a2477 2770 if (bss->added_bridge) {
f2535da8
JM		 2771 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2772 0) < 0)
2773 wpa_printf(MSG_INFO,
2774 "nl80211: Could not set bridge %s down",
2775 bss->brname);
c81eff1a 2776 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 2777 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2778 "bridge %s: %s",
e17a2477 2779 bss->brname, strerror(errno));
94627f6c
JM		 2780 }
2781
460456f8 2782 nl80211_remove_monitor_interface(drv);
8a27af5c 2783
b1f625e0 2784 if (is_ap_interface(drv->nlmode))
a70cd0db 2785 wpa_driver_nl80211_del_beacon(bss);
0915d02c 2786
bbaf0837
JM		 2787 if (drv->eapol_sock >= 0) {
2788 eloop_unregister_read_sock(drv->eapol_sock);
2789 close(drv->eapol_sock);
2790 }
2791
2792 if (drv->if_indices != drv->default_if_indices)
2793 os_free(drv->if_indices);
3f5285e8 2794
b3af99d2 2795 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 2796 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2797
36d84860
BG		 2798 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2799 IF_OPER_UP);
e390df05 2800 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
8401a6b0 2801 rfkill_deinit(drv->rfkill);
3f5285e8 2802
bbaf0837
JM		 2803 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2804
146fa9b3
JM		 2805 if (!drv->start_iface_up)
2806 (void) i802_set_iface_flags(bss, 0);
fee354c7
JM		 2807
2808 if (drv->addr_changed) {
93da0498
JM		 2809 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2810 0) < 0) {
2811 wpa_printf(MSG_DEBUG,
2812 "nl80211: Could not set interface down to restore permanent MAC address");
2813 }
fee354c7
JM		 2814 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2815 drv->perm_addr) < 0) {
2816 wpa_printf(MSG_DEBUG,
2817 "nl80211: Could not restore permanent MAC address");
2818 }
2819 }
2820
8e12685c 2821 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 2822 if (!drv->hostapd || !drv->start_mode_ap)
2823 wpa_driver_nl80211_set_mode(bss,
2824 NL80211_IFTYPE_STATION);
b378c41f 2825 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 2826 } else {
2827 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 2828 nl80211_del_p2pdev(bss);
8e12685c 2829 }
3f5285e8 2830
40a68f33
SD		 2831 if (bss->nl_connect)
2832 nl80211_destroy_eloop_handle(&bss->nl_connect, 1);
2833
834ee56f 2834 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 2835
3812464c
JM		 2836 os_free(drv->filter_ssids);
2837
536fd62d
JM		 2838 os_free(drv->auth_ie);
2839
dac12351 2840 if (drv->in_interface_list)
f2ed8023
JM		 2841 dl_list_del(&drv->list);
2842
8cd6b7bc
JB		 2843 os_free(drv->extended_capa);
2844 os_free(drv->extended_capa_mask);
cc9a2575
KV		 2845 for (i = 0; i < drv->num_iface_ext_capa; i++) {
2846 os_free(drv->iface_ext_capa[i].ext_capa);
2847 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2848 }
834ee56f 2849 os_free(drv->first_bss);
3f5285e8
JM		 2850 os_free(drv);
2851}
2852
2853
de4ed4a8
JM		 2854static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2855{
2856 switch (alg) {
2857 case WPA_ALG_WEP:
2858 if (key_len == 5)
a042e39a
JM		 2859 return RSN_CIPHER_SUITE_WEP40;
2860 return RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2861 case WPA_ALG_TKIP:
a042e39a 2862 return RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2863 case WPA_ALG_CCMP:
a042e39a 2864 return RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2865 case WPA_ALG_GCMP:
a042e39a 2866 return RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2867 case WPA_ALG_CCMP_256:
a042e39a 2868 return RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2869 case WPA_ALG_GCMP_256:
a042e39a 2870 return RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2871 case WPA_ALG_IGTK:
a042e39a 2872 return RSN_CIPHER_SUITE_AES_128_CMAC;
de4ed4a8 2873 case WPA_ALG_BIP_GMAC_128:
a042e39a 2874 return RSN_CIPHER_SUITE_BIP_GMAC_128;
de4ed4a8 2875 case WPA_ALG_BIP_GMAC_256:
a042e39a 2876 return RSN_CIPHER_SUITE_BIP_GMAC_256;
de4ed4a8 2877 case WPA_ALG_BIP_CMAC_256:
a042e39a 2878 return RSN_CIPHER_SUITE_BIP_CMAC_256;
de4ed4a8 2879 case WPA_ALG_SMS4:
a042e39a 2880 return RSN_CIPHER_SUITE_SMS4;
de4ed4a8 2881 case WPA_ALG_KRK:
a042e39a 2882 return RSN_CIPHER_SUITE_KRK;
de4ed4a8
JM		 2883 case WPA_ALG_NONE:
2884 case WPA_ALG_PMK:
2885 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2886 alg);
2887 return 0;
2888 }
2889
2890 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2891 alg);
2892 return 0;
2893}
2894
2895
2896static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2897{
2898 switch (cipher) {
2899 case WPA_CIPHER_CCMP_256:
a042e39a 2900 return RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2901 case WPA_CIPHER_GCMP_256:
a042e39a 2902 return RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2903 case WPA_CIPHER_CCMP:
a042e39a 2904 return RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2905 case WPA_CIPHER_GCMP:
a042e39a 2906 return RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2907 case WPA_CIPHER_TKIP:
a042e39a 2908 return RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2909 case WPA_CIPHER_WEP104:
a042e39a 2910 return RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2911 case WPA_CIPHER_WEP40:
a042e39a 2912 return RSN_CIPHER_SUITE_WEP40;
ae6f9272 2913 case WPA_CIPHER_GTK_NOT_USED:
a042e39a 2914 return RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED;
de4ed4a8
JM		 2915 }
2916
2917 return 0;
2918}
2919
2920
2921static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2922 int max_suites)
2923{
2924 int num_suites = 0;
2925
2926 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
a042e39a 2927 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2928 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
a042e39a 2929 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2930 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
a042e39a 2931 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2932 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
a042e39a 2933 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2934 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
a042e39a 2935 suites[num_suites++] = RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2936 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
a042e39a 2937 suites[num_suites++] = RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2938 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
a042e39a 2939 suites[num_suites++] = RSN_CIPHER_SUITE_WEP40;
de4ed4a8
JM		 2940
2941 return num_suites;
2942}
2943
2944
b658547d 2945#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 2946static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2947 const u8 *key, size_t key_len)
2948{
2949 struct nl_msg *msg;
a862e4a3 2950 int ret;
b41f2684 2951
15badebd 2952 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
b41f2684
CL		 2953 return 0;
2954
9725b784 2955 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 2956 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2957 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2958 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2959 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
bbd89bfc 2960 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 2961 nlmsg_free(msg);
2962 return -1;
2963 }
bbd89bfc 2964 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
b41f2684
CL		 2965 if (ret) {
2966 wpa_printf(MSG_DEBUG,
2967 "nl80211: Key management set key failed: ret=%d (%s)",
2968 ret, strerror(-ret));
2969 }
2970
b41f2684
CL		 2971 return ret;
2972}
b658547d 2973#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684
CL		 2974
2975
05fc7c68
AS		 2976static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv,
2977 const u8 *key, size_t key_len,
2978 const u8 *addr)
2979{
2980 struct nl_msg *msg = NULL;
2981 int ret;
2982
2983 /*
2984 * If the authenticator address is not set, assume it is
2985 * the current BSSID.
2986 */
2987 if (!addr && drv->associated)
2988 addr = drv->bssid;
2989 else if (!addr)
2990 return -1;
2991
2992 wpa_printf(MSG_DEBUG, "nl80211: Set PMK to the driver for " MACSTR,
2993 MAC2STR(addr));
2994 wpa_hexdump_key(MSG_DEBUG, "nl80211: PMK", key, key_len);
2995 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_PMK);
2996 if (!msg ||
2997 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2998 nla_put(msg, NL80211_ATTR_PMK, key_len, key)) {
2999 nl80211_nlmsg_clear(msg);
3000 nlmsg_free(msg);
3001 return -ENOBUFS;
3002 }
3003
3004 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
3005 if (ret) {
3006 wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)",
3007 ret, strerror(-ret));
3008 }
3009
3010 return ret;
3011}
3012
3013
9ebce9c5 3014static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751 3015 enum wpa_alg alg, const u8 *addr,
0f903f37 3016 int key_idx, int vlan_id, int set_tx,
642187d6
JM		 3017 const u8 *seq, size_t seq_len,
3018 const u8 *key, size_t key_len)
3f5285e8 3019{
a2e40bb6 3020 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 3021 int ifindex;
83b83b46
AW		 3022 struct nl_msg *msg;
3023 struct nl_msg *key_msg;
1ad1cdc2 3024 int ret;
dc01de8a 3025 int tdls = 0;
3f5285e8 3026
e472e1b4
AS		 3027 /* Ignore for P2P Device */
3028 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
3029 return 0;
3030
3031 ifindex = if_nametoindex(ifname);
8393e1a0 3032 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 3033 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 3034 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 3035 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 3036#ifdef CONFIG_TDLS
dc01de8a 3037 if (key_idx == -1) {
8c66e185 3038 key_idx = 0;
dc01de8a
JM		 3039 tdls = 1;
3040 }
8c66e185 3041#endif /* CONFIG_TDLS */
3f5285e8 3042
b658547d 3043#ifdef CONFIG_DRIVER_NL80211_QCA
15badebd
CL		 3044 if (alg == WPA_ALG_PMK &&
3045 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
b41f2684
CL		 3046 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
3047 __func__);
3048 ret = issue_key_mgmt_set_key(drv, key, key_len);
3049 return ret;
3050 }
b658547d 3051#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 3052
05fc7c68 3053 if (alg == WPA_ALG_PMK &&
436ee2fd 3054 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
05fc7c68
AS		 3055 return nl80211_set_pmk(drv, key, key_len, addr);
3056
83b83b46
AW		 3057 key_msg = nlmsg_alloc();
3058 if (!key_msg)
3059 return -ENOBUFS;
3060
3f5285e8 3061 if (alg == WPA_ALG_NONE) {
95376e1a
JM		 3062 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
3063 if (!msg)
83b83b46 3064 goto fail2;
3f5285e8 3065 } else {
34651767
JM		 3066 u32 suite;
3067
3068 suite = wpa_alg_to_cipher_suite(alg, key_len);
3069 if (!suite)
83b83b46 3070 goto fail2;
95376e1a 3071 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
83b83b46
AW		 3072 if (!msg)
3073 goto fail2;
3074 if (nla_put(key_msg, NL80211_KEY_DATA, key_len, key) ||
3075 nla_put_u32(key_msg, NL80211_KEY_CIPHER, suite))
a862e4a3 3076 goto fail;
e6ef73f1 3077 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3f5285e8
JM		 3078 }
3079
e6ef73f1 3080 if (seq && seq_len) {
83b83b46 3081 if (nla_put(key_msg, NL80211_KEY_SEQ, seq_len, seq))
a862e4a3 3082 goto fail;
e6ef73f1
JM		 3083 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
3084 }
1ad1cdc2 3085
0382097e 3086 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8 3087 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
a862e4a3
JM		 3088 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
3089 goto fail;
89c38e32
JM		 3090
3091 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
3092 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
83b83b46 3093 if (nla_put_u32(key_msg, NL80211_KEY_TYPE,
a862e4a3
JM		 3094 NL80211_KEYTYPE_GROUP))
3095 goto fail;
89c38e32 3096 }
60ea8187 3097 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 3098 struct nlattr *types;
3099
60ea8187 3100 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8 3101
83b83b46 3102 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
a862e4a3 3103 if (!types ||
83b83b46 3104 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
a862e4a3 3105 goto fail;
83b83b46 3106 nla_nest_end(key_msg, types);
3f5285e8 3107 }
83b83b46
AW		 3108 if (nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3109 nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
a862e4a3 3110 goto fail;
83b83b46
AW		 3111 nl80211_nlmsg_clear(key_msg);
3112 nlmsg_free(key_msg);
3113 key_msg = NULL;
3f5285e8 3114
0f903f37
GG		 3115 if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
3116 wpa_printf(MSG_DEBUG, "nl80211: VLAN ID %d", vlan_id);
3117 if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id))
3118 goto fail;
3119 }
3120
bbd89bfc 3121 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
15664ad0 3122 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 3123 ret = 0;
3124 if (ret)
3125 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
3126 ret, strerror(-ret));
3f5285e8 3127
1ad1cdc2
JM		 3128 /*
3129 * If we failed or don't need to set the default TX key (below),
3130 * we're done here.
3131 */
dc01de8a 3132 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 3133 return ret;
b1f625e0 3134 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 3135 !is_broadcast_ether_addr(addr))
de12717a 3136 return ret;
3f5285e8 3137
83b83b46
AW		 3138 key_msg = nlmsg_alloc();
3139 if (!key_msg)
3140 return -ENOBUFS;
3141
95376e1a 3142 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
83b83b46
AW		 3143 if (!msg)
3144 goto fail2;
3145 if (!key_msg ||
3146 nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3147 nla_put_flag(key_msg, (alg == WPA_ALG_IGTK ||
3148 alg == WPA_ALG_BIP_GMAC_128 ||
3149 alg == WPA_ALG_BIP_GMAC_256 ||
3150 alg == WPA_ALG_BIP_CMAC_256) ?
3151 NL80211_KEY_DEFAULT_MGMT :
3152 NL80211_KEY_DEFAULT))
a862e4a3 3153 goto fail;
60ea8187 3154 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 3155 struct nlattr *types;
3156
83b83b46 3157 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
a862e4a3 3158 if (!types ||
83b83b46 3159 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
a862e4a3 3160 goto fail;
83b83b46 3161 nla_nest_end(key_msg, types);
60ea8187 3162 } else if (addr) {
8970bae8
JB		 3163 struct nlattr *types;
3164
83b83b46 3165 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
a862e4a3 3166 if (!types ||
83b83b46 3167 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
a862e4a3 3168 goto fail;
83b83b46 3169 nla_nest_end(key_msg, types);
60ea8187 3170 }
3f5285e8 3171
83b83b46
AW		 3172 if (nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
3173 goto fail;
3174 nl80211_nlmsg_clear(key_msg);
3175 nlmsg_free(key_msg);
3176 key_msg = NULL;
3177
0f903f37
GG		 3178 if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
3179 wpa_printf(MSG_DEBUG, "nl80211: set_key default - VLAN ID %d",
3180 vlan_id);
3181 if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id))
3182 goto fail;
3183 }
3184
1ad1cdc2
JM		 3185 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3186 if (ret == -ENOENT)
3187 ret = 0;
3188 if (ret)
3189 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
3190 "err=%d %s)", ret, strerror(-ret));
3191 return ret;
3f5285e8 3192
a862e4a3 3193fail:
bbd89bfc 3194 nl80211_nlmsg_clear(msg);
5883168a 3195 nlmsg_free(msg);
83b83b46
AW		 3196fail2:
3197 nl80211_nlmsg_clear(key_msg);
3198 nlmsg_free(key_msg);
6241fcb1 3199 return -ENOBUFS;
3f5285e8
JM		 3200}
3201
3202
71934751 3203static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 3204 int key_idx, int defkey,
3205 const u8 *seq, size_t seq_len,
3206 const u8 *key, size_t key_len)
3207{
3208 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
34651767
JM		 3209 u32 suite;
3210
0194fedb
JB		 3211 if (!key_attr)
3212 return -1;
3213
34651767
JM		 3214 suite = wpa_alg_to_cipher_suite(alg, key_len);
3215 if (!suite)
3216 return -1;
3217
a862e4a3
JM		 3218 if (defkey && alg == WPA_ALG_IGTK) {
3219 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
3220 return -1;
3221 } else if (defkey) {
3222 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
3223 return -1;
3224 }
0194fedb 3225
a862e4a3 3226 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
34651767 3227 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
a862e4a3
JM		 3228 (seq && seq_len &&
3229 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
3230 nla_put(msg, NL80211_KEY_DATA, key_len, key))
3231 return -1;
0194fedb
JB		 3232
3233 nla_nest_end(msg, key_attr);
3234
3235 return 0;
0194fedb
JB		 3236}
3237
c811d5bc 3238
cfaab580
ZY		 3239static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
3240 struct nl_msg *msg)
3241{
3242 int i, privacy = 0;
3243 struct nlattr *nl_keys, *nl_key;
3244
3245 for (i = 0; i < 4; i++) {
3246 if (!params->wep_key[i])
3247 continue;
3248 privacy = 1;
3249 break;
3250 }
ce04af5a
JM		 3251 if (params->wps == WPS_MODE_PRIVACY)
3252 privacy = 1;
3253 if (params->pairwise_suite &&
3254 params->pairwise_suite != WPA_CIPHER_NONE)
3255 privacy = 1;
3256
cfaab580
ZY		 3257 if (!privacy)
3258 return 0;
3259
a862e4a3
JM		 3260 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3261 return -ENOBUFS;
cfaab580
ZY		 3262
3263 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
3264 if (!nl_keys)
a862e4a3 3265 return -ENOBUFS;
cfaab580
ZY		 3266
3267 for (i = 0; i < 4; i++) {
3268 if (!params->wep_key[i])
3269 continue;
3270
3271 nl_key = nla_nest_start(msg, i);
a862e4a3
JM		 3272 if (!nl_key ||
3273 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3274 params->wep_key[i]) ||
3275 nla_put_u32(msg, NL80211_KEY_CIPHER,
3276 params->wep_key_len[i] == 5 ?
a042e39a
JM		 3277 RSN_CIPHER_SUITE_WEP40 :
3278 RSN_CIPHER_SUITE_WEP104) ||
a862e4a3
JM		 3279 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3280 (i == params->wep_tx_keyidx &&
3281 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3282 return -ENOBUFS;
cfaab580
ZY		 3283
3284 nla_nest_end(msg, nl_key);
3285 }
3286 nla_nest_end(msg, nl_keys);
3287
3288 return 0;
cfaab580
ZY		 3289}
3290
3291
477af8f8
JM		 3292int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3293 const u8 *addr, int cmd, u16 reason_code,
10d32e2c 3294 int local_state_change,
25ebd538 3295 struct nl_sock *nl_connect)
c2a04078 3296{
a862e4a3 3297 int ret;
c2a04078
JM		 3298 struct nl_msg *msg;
3299
9725b784 3300 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM		 3301 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3302 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3303 (local_state_change &&
3304 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3305 nlmsg_free(msg);
3306 return -1;
3307 }
c2a04078 3308
10d32e2c
CI		 3309 if (nl_connect)
3310 ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL);
3311 else
3312 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 3313 if (ret) {
3b7ea880
BG		 3314 wpa_dbg(drv->ctx, MSG_DEBUG,
3315 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3316 reason_code, ret, strerror(-ret));
c2a04078 3317 }
c2a04078
JM		 3318 return ret;
3319}
3f5285e8
JM		 3320
3321
cfaab580 3322static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
4be17ffb 3323 u16 reason_code,
25ebd538 3324 struct nl_sock *nl_connect)
cfaab580 3325{
3f53c006 3326 int ret;
b898b655 3327 int drv_associated = drv->associated;
3f53c006 3328
817762d9 3329 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 3330 nl80211_mark_disconnected(drv);
817762d9 3331 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006 3332 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
10d32e2c 3333 reason_code, 0, nl_connect);
3f53c006
JJ		 3334 /*
3335 * For locally generated disconnect, supplicant already generates a
3336 * DEAUTH event, so ignore the event from NL80211.
3337 */
b898b655 3338 drv->ignore_next_local_disconnect = drv_associated && (ret == 0);
3f53c006
JJ		 3339
3340 return ret;
cfaab580
ZY		 3341}
3342
3343
9ebce9c5 3344static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
4be17ffb 3345 const u8 *addr, u16 reason_code)
3f5285e8 3346{
a2e40bb6 3347 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 3348 int ret;
b898b655 3349 int drv_associated = drv->associated;
9392c9be
AS		 3350
3351 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3352 nl80211_mark_disconnected(drv);
666e508c 3353 return nl80211_leave_ibss(drv, 1);
9392c9be 3354 }
10d32e2c 3355 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
25ebd538 3356 struct nl_sock *nl_connect = NULL;
10d32e2c
CI		 3357
3358 if (bss->use_nl_connect)
3359 nl_connect = bss->nl_connect;
3360 return wpa_driver_nl80211_disconnect(drv, reason_code,
3361 nl_connect);
3362 }
2e75a2b3
JM		 3363 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3364 __func__, MAC2STR(addr), reason_code);
add9b7a4 3365 nl80211_mark_disconnected(drv);
d6a36f39 3366 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
10d32e2c 3367 reason_code, 0, NULL);
d6a36f39
JM		 3368 /*
3369 * For locally generated deauthenticate, supplicant already generates a
3370 * DEAUTH event, so ignore the event from NL80211.
3371 */
b898b655
HW		 3372 drv->ignore_next_local_deauth = drv_associated && (ret == 0);
3373
d6a36f39 3374 return ret;
3f5285e8
JM		 3375}
3376
3377
536fd62d
JM		 3378static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3379 struct wpa_driver_auth_params *params)
3380{
3381 int i;
3382
3383 drv->auth_freq = params->freq;
3384 drv->auth_alg = params->auth_alg;
3385 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3386 drv->auth_local_state_change = params->local_state_change;
3387 drv->auth_p2p = params->p2p;
3388
3389 if (params->bssid)
3390 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3391 else
3392 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3393
3394 if (params->ssid) {
3395 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3396 drv->auth_ssid_len = params->ssid_len;
3397 } else
3398 drv->auth_ssid_len = 0;
3399
3400
3401 os_free(drv->auth_ie);
3402 drv->auth_ie = NULL;
3403 drv->auth_ie_len = 0;
3404 if (params->ie) {
3405 drv->auth_ie = os_malloc(params->ie_len);
3406 if (drv->auth_ie) {
3407 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3408 drv->auth_ie_len = params->ie_len;
3409 }
3410 }
3411
3412 for (i = 0; i < 4; i++) {
3413 if (params->wep_key[i] && params->wep_key_len[i] &&
3414 params->wep_key_len[i] <= 16) {
3415 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3416 params->wep_key_len[i]);
3417 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3418 } else
3419 drv->auth_wep_key_len[i] = 0;
3420 }
3421}
3422
3423
4bd71954
JM		 3424static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3425{
3426 struct wpa_driver_nl80211_data *drv = bss->drv;
3427
3428 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3429 return;
3430
3431 /*
3432 * Looks like we failed to unmask 11b rates previously. This could
3433 * happen, e.g., if the interface was down at the point in time when a
3434 * P2P group was terminated.
3435 */
3436 wpa_printf(MSG_DEBUG,
3437 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3438 bss->ifname);
3439 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3440}
3441
3442
3c67e977
VK		 3443static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3444{
3445 if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3446 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3447 if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3448 return NL80211_AUTHTYPE_SHARED_KEY;
3449 if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3450 return NL80211_AUTHTYPE_NETWORK_EAP;
3451 if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3452 return NL80211_AUTHTYPE_FT;
3453 if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3454 return NL80211_AUTHTYPE_SAE;
3455 if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3456 return NL80211_AUTHTYPE_FILS_SK;
3457 if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3458 return NL80211_AUTHTYPE_FILS_SK_PFS;
3459
3460 return NL80211_AUTHTYPE_MAX;
3461}
3462
3463
c2a04078 3464static int wpa_driver_nl80211_authenticate(
9ebce9c5 3465 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 3466{
a2e40bb6 3467 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 3468 int ret = -1, i;
c2a04078
JM		 3469 struct nl_msg *msg;
3470 enum nl80211_auth_type type;
2f4f73b1 3471 enum nl80211_iftype nlmode;
6d6f4bb8 3472 int count = 0;
536fd62d
JM		 3473 int is_retry;
3474
4bd71954
JM		 3475 nl80211_unmask_11b_rates(bss);
3476
536fd62d
JM		 3477 is_retry = drv->retry_auth;
3478 drv->retry_auth = 0;
e8d70a73 3479 drv->ignore_deauth_event = 0;
c2a04078 3480
add9b7a4 3481 nl80211_mark_disconnected(drv);
e6b8efeb 3482 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 3483 if (params->bssid)
3484 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3485 else
3486 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 3487 /* FIX: IBSS mode */
2f4f73b1
EP		 3488 nlmode = params->p2p ?
3489 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3490 if (drv->nlmode != nlmode &&
9ebce9c5 3491 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 3492 return -1;
3493
6d6f4bb8 3494retry:
c2a04078
JM		 3495 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3496 drv->ifindex);
a0b2f99b 3497
9725b784
JM		 3498 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3499 if (!msg)
3500 goto fail;
0194fedb 3501
a0b2f99b
JM		 3502 for (i = 0; i < 4; i++) {
3503 if (!params->wep_key[i])
3504 continue;
9ebce9c5 3505 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
0f903f37 3506 NULL, i, 0,
a0b2f99b
JM		 3507 i == params->wep_tx_keyidx, NULL, 0,
3508 params->wep_key[i],
3509 params->wep_key_len[i]);
0194fedb
JB		 3510 if (params->wep_tx_keyidx != i)
3511 continue;
3512 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM		 3513 params->wep_key[i], params->wep_key_len[i]))
3514 goto fail;
a0b2f99b
JM		 3515 }
3516
c2a04078
JM		 3517 if (params->bssid) {
3518 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3519 MAC2STR(params->bssid));
a862e4a3
JM		 3520 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3521 goto fail;
c2a04078
JM		 3522 }
3523 if (params->freq) {
3524 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 3525 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3526 goto fail;
c2a04078
JM		 3527 }
3528 if (params->ssid) {
21cd8f83
JM		 3529 wpa_printf(MSG_DEBUG, " * SSID=%s",
3530 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 3531 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3532 params->ssid))
3533 goto fail;
c2a04078
JM		 3534 }
3535 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM		 3536 if (params->ie &&
3537 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3538 goto fail;
ce16c489
JM		 3539 if (params->auth_data) {
3540 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
3541 params->auth_data_len);
3542 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
3543 params->auth_data))
a862e4a3 3544 goto fail;
569fed90 3545 }
3c67e977 3546 type = get_nl_auth_type(params->auth_alg);
c2a04078 3547 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 3548 if (type == NL80211_AUTHTYPE_MAX ||
3549 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 3550 goto fail;
77339912
JM		 3551 if (params->local_state_change) {
3552 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM		 3553 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3554 goto fail;
77339912 3555 }
c2a04078
JM		 3556
3557 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3558 msg = NULL;
3559 if (ret) {
3b7ea880 3560 wpa_dbg(drv->ctx, MSG_DEBUG,
f875da04
BG		 3561 "nl80211: MLME command failed (auth): count=%d ret=%d (%s)",
3562 count, ret, strerror(-ret));
6d6f4bb8 3563 count++;
f875da04
BG		 3564 if ((ret == -EALREADY || ret == -EEXIST) && count == 1 &&
3565 params->bssid && !params->local_state_change) {
6d6f4bb8
JM		 3566 /*
3567 * mac80211 does not currently accept new
3568 * authentication if we are already authenticated. As a
3569 * workaround, force deauthentication and try again.
3570 */
3571 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3572 "after forced deauthentication");
e8d70a73 3573 drv->ignore_deauth_event = 1;
6d6f4bb8 3574 wpa_driver_nl80211_deauthenticate(
5205c4f9 3575 bss, params->bssid,
6d6f4bb8
JM		 3576 WLAN_REASON_PREV_AUTH_NOT_VALID);
3577 nlmsg_free(msg);
3578 goto retry;
3579 }
536fd62d
JM		 3580
3581 if (ret == -ENOENT && params->freq && !is_retry) {
3582 /*
3583 * cfg80211 has likely expired the BSS entry even
3584 * though it was previously available in our internal
3585 * BSS table. To recover quickly, start a single
3586 * channel scan on the specified channel.
3587 */
3588 struct wpa_driver_scan_params scan;
3589 int freqs[2];
3590
3591 os_memset(&scan, 0, sizeof(scan));
3592 scan.num_ssids = 1;
3593 if (params->ssid) {
3594 scan.ssids[0].ssid = params->ssid;
3595 scan.ssids[0].ssid_len = params->ssid_len;
3596 }
3597 freqs[0] = params->freq;
3598 freqs[1] = 0;
3599 scan.freqs = freqs;
3600 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3601 "channel scan to refresh cfg80211 BSS "
3602 "entry");
3603 ret = wpa_driver_nl80211_scan(bss, &scan);
3604 if (ret == 0) {
3605 nl80211_copy_auth_params(drv, params);
3606 drv->scan_for_auth = 1;
3607 }
8c3ba078
JM		 3608 } else if (is_retry) {
3609 /*
3610 * Need to indicate this with an event since the return
3611 * value from the retry is not delivered to core code.
3612 */
3613 union wpa_event_data event;
3614 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3615 "failed");
3616 os_memset(&event, 0, sizeof(event));
3617 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3618 ETH_ALEN);
3619 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3620 &event);
536fd62d 3621 }
a862e4a3
JM		 3622 } else {
3623 wpa_printf(MSG_DEBUG,
3624 "nl80211: Authentication request send successfully");
c2a04078 3625 }
c2a04078 3626
a862e4a3 3627fail:
c2a04078
JM		 3628 nlmsg_free(msg);
3629 return ret;
3630}
3631
3632
f3407c66 3633int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM		 3634{
3635 struct wpa_driver_auth_params params;
834ee56f 3636 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 3637 int i;
3638
3639 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3640
3641 os_memset(&params, 0, sizeof(params));
3642 params.freq = drv->auth_freq;
3643 params.auth_alg = drv->auth_alg;
3644 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3645 params.local_state_change = drv->auth_local_state_change;
3646 params.p2p = drv->auth_p2p;
3647
3648 if (!is_zero_ether_addr(drv->auth_bssid_))
3649 params.bssid = drv->auth_bssid_;
3650
3651 if (drv->auth_ssid_len) {
3652 params.ssid = drv->auth_ssid;
3653 params.ssid_len = drv->auth_ssid_len;
3654 }
3655
3656 params.ie = drv->auth_ie;
3657 params.ie_len = drv->auth_ie_len;
3658
3659 for (i = 0; i < 4; i++) {
3660 if (drv->auth_wep_key_len[i]) {
3661 params.wep_key[i] = drv->auth_wep_key[i];
3662 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3663 }
3664 }
3665
3666 drv->retry_auth = 1;
3667 return wpa_driver_nl80211_authenticate(bss, &params);
3668}
3669
3670
9ebce9c5
JM		 3671static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3672 size_t data_len, int noack,
3673 unsigned int freq, int no_cck,
3674 int offchanok,
2d3943ce
AO		 3675 unsigned int wait_time,
3676 const u16 *csa_offs,
27cc06d0 3677 size_t csa_offs_len, int no_encrypt)
2c2010ac 3678{
a2e40bb6 3679 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 3680 struct ieee80211_mgmt *mgmt;
27cc06d0 3681 int encrypt = !no_encrypt;
2c2010ac 3682 u16 fc;
5ad372cc 3683 int use_cookie = 1;
0dae4354 3684 int res;
2c2010ac
JM		 3685
3686 mgmt = (struct ieee80211_mgmt *) data;
3687 fc = le_to_host16(mgmt->frame_control);
f95a4524 3688 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
27cc06d0 3689 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u no_encrypt=%d fc=0x%x (%s) nlmode=%d",
f95a4524 3690 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
27cc06d0 3691 no_encrypt, fc, fc2str(fc), drv->nlmode);
2c2010ac 3692
8e12685c
AS		 3693 if ((is_sta_interface(drv->nlmode) ||
3694 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 3695 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3696 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3697 /*
3698 * The use of last_mgmt_freq is a bit of a hack,
3699 * but it works due to the single-threaded nature
3700 * of wpa_supplicant.
3701 */
af964484
JM		 3702 if (freq == 0) {
3703 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3704 drv->last_mgmt_freq);
55231068 3705 freq = drv->last_mgmt_freq;
af964484 3706 }
5ad372cc
JM		 3707 wait_time = 0;
3708 use_cookie = 0;
3709 no_cck = 1;
3710 offchanok = 1;
3711 goto send_frame_cmd;
5582a5d1
JB		 3712 }
3713
61cbe2ff 3714 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 3715 if (freq == 0) {
3716 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3717 bss->freq);
55231068 3718 freq = bss->freq;
af964484 3719 }
5ad372cc
JM		 3720 if ((int) freq == bss->freq)
3721 wait_time = 0;
3722 goto send_frame_cmd;
86957e62
JM		 3723 }
3724
2c2010ac
JM		 3725 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3726 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3727 /*
3728 * Only one of the authentication frame types is encrypted.
3729 * In order for static WEP encryption to work properly (i.e.,
3730 * to not encrypt the frame), we need to tell mac80211 about
3731 * the frames that must not be encrypted.
3732 */
3733 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3734 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 3735 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3736 encrypt = 0;
2c2010ac
JM		 3737 }
3738
0dae4354
JM		 3739 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3740 freq = nl80211_get_assoc_freq(drv);
3741 wpa_printf(MSG_DEBUG,
3742 "nl80211: send_mlme - Use assoc_freq=%u for IBSS",
3743 freq);
3744 }
3745 if (freq == 0) {
3746 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - Use bss->freq=%u",
3747 bss->freq);
3748 freq = bss->freq;
3749 }
3750
3751 if (drv->use_monitor) {
3752 wpa_printf(MSG_DEBUG,
3753 "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3754 freq, bss->freq);
3755 return nl80211_send_monitor(drv, data, data_len, encrypt,
3756 noack);
3757 }
3758
5ad372cc
JM		 3759 if (noack || WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
3760 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
3761 use_cookie = 0;
3762send_frame_cmd:
9bedf900
JM		 3763#ifdef CONFIG_TESTING_OPTIONS
3764 if (no_encrypt && !encrypt && !drv->use_monitor) {
3765 wpa_printf(MSG_DEBUG,
3766 "nl80211: Request to send an unencrypted frame - use a monitor interface for this");
3767 if (nl80211_create_monitor_interface(drv) < 0)
3768 return -1;
3769 res = nl80211_send_monitor(drv, data, data_len, encrypt,
3770 noack);
3771 nl80211_remove_monitor_interface(drv);
3772 return res;
3773 }
3774#endif /* CONFIG_TESTING_OPTIONS */
3775
0dae4354
JM		 3776 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame_cmd");
3777 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, data_len,
5ad372cc 3778 use_cookie, no_cck, noack, offchanok,
0dae4354 3779 csa_offs, csa_offs_len);
0dae4354
JM		 3780
3781 return res;
55231068
JM		 3782}
3783
3784
cae87abd
JM		 3785static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3786{
3787 u8 rates[NL80211_MAX_SUPP_RATES];
3788 u8 rates_len = 0;
3789 int i;
3790
3791 if (!basic_rates)
3792 return 0;
3793
3794 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3795 rates[rates_len++] = basic_rates[i] / 5;
3796
3797 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3798}
3799
3800
31357268 3801static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47 3802 int slot, int ht_opmode, int ap_isolate,
cae87abd 3803 const int *basic_rates)
31357268
JM		 3804{
3805 struct wpa_driver_nl80211_data *drv = bss->drv;
3806 struct nl_msg *msg;
3807
13f83980 3808 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM		 3809 (cts >= 0 &&
3810 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3811 (preamble >= 0 &&
3812 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3813 (slot >= 0 &&
3814 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3815 (ht_opmode >= 0 &&
3816 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3817 (ap_isolate >= 0 &&
cae87abd
JM		 3818 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3819 nl80211_put_basic_rates(msg, basic_rates)) {
3820 nlmsg_free(msg);
3821 return -ENOBUFS;
e5693c47
JM		 3822 }
3823
31357268 3824 return send_and_recv_msgs(drv, msg, NULL, NULL);
31357268
JM		 3825}
3826
3827
3c4ca363
VN		 3828static int wpa_driver_nl80211_set_acl(void *priv,
3829 struct hostapd_acl_params *params)
3830{
3831 struct i802_bss *bss = priv;
3832 struct wpa_driver_nl80211_data *drv = bss->drv;
3833 struct nl_msg *msg;
f429ec44 3834 struct nl_msg *acl;
3c4ca363 3835 unsigned int i;
a862e4a3 3836 int ret;
3c4ca363
VN		 3837
3838 if (!(drv->capa.max_acl_mac_addrs))
3839 return -ENOTSUP;
3840
3841 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3842 return -ENOTSUP;
3843
3c4ca363
VN		 3844 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3845 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3846
f429ec44
JM		 3847 acl = nlmsg_alloc();
3848 if (!acl)
3849 return -ENOMEM;
3850 for (i = 0; i < params->num_mac_acl; i++) {
3851 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3852 nlmsg_free(acl);
3853 return -ENOMEM;
3854 }
3855 }
3856
9725b784 3857 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM		 3858 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3859 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3860 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
f429ec44 3861 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
a862e4a3 3862 nlmsg_free(msg);
f429ec44 3863 nlmsg_free(acl);
a862e4a3
JM		 3864 return -ENOMEM;
3865 }
f429ec44 3866 nlmsg_free(acl);
3c4ca363
VN		 3867
3868 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN		 3869 if (ret) {
3870 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3871 ret, strerror(-ret));
3872 }
3873
3c4ca363
VN		 3874 return ret;
3875}
3876
3877
85e1fad8
JM		 3878static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3879{
3880 if (beacon_int > 0) {
3881 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3882 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3883 beacon_int);
3884 }
3885
3886 return 0;
3887}
3888
3889
4ac2ea57
MH		 3890static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3891{
3892 if (dtim_period > 0) {
3893 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3894 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3895 }
3896
3897 return 0;
3898}
3899
3900
052b8d38
MH		 3901#ifdef CONFIG_MESH
3902static int nl80211_set_mesh_config(void *priv,
3903 struct wpa_driver_mesh_bss_params *params)
3904{
3905 struct i802_bss *bss = priv;
3906 struct wpa_driver_nl80211_data *drv = bss->drv;
3907 struct nl_msg *msg;
3908 int ret;
3909
3910 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3911 if (!msg)
3912 return -1;
3913
3914 ret = nl80211_put_mesh_config(msg, params);
3915 if (ret < 0) {
3916 nlmsg_free(msg);
3917 return ret;
3918 }
3919
3920 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3921 if (ret) {
3922 wpa_printf(MSG_ERROR,
3923 "nl80211: Mesh config set failed: %d (%s)",
3924 ret, strerror(-ret));
3925 return ret;
3926 }
3927 return 0;
3928}
3929#endif /* CONFIG_MESH */
3930
3931
d4f3003c
PK		 3932static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags,
3933 struct wpa_driver_ap_params *params)
3934{
3935 struct nlattr *bands, *band;
3936 struct nl80211_txrate_vht vht_rate;
3937
3938 if (!params->freq ||
3939 (params->beacon_rate == 0 &&
3940 params->rate_type == BEACON_RATE_LEGACY))
3941 return 0;
3942
3943 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
3944 if (!bands)
3945 return -1;
3946
3947 switch (params->freq->mode) {
3948 case HOSTAPD_MODE_IEEE80211B:
3949 case HOSTAPD_MODE_IEEE80211G:
3950 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
3951 break;
3952 case HOSTAPD_MODE_IEEE80211A:
3953 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
3954 break;
3955 case HOSTAPD_MODE_IEEE80211AD:
3956 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
3957 break;
3958 default:
3959 return 0;
3960 }
3961
3962 if (!band)
3963 return -1;
3964
3965 os_memset(&vht_rate, 0, sizeof(vht_rate));
3966
3967 switch (params->rate_type) {
3968 case BEACON_RATE_LEGACY:
3969 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
3970 wpa_printf(MSG_INFO,
3971 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
3972 return -1;
3973 }
3974
3975 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
3976 (u8) params->beacon_rate / 5) ||
3977 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
3978 (params->freq->vht_enabled &&
3979 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3980 &vht_rate)))
3981 return -1;
3982
3983 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
3984 params->beacon_rate);
3985 break;
3986 case BEACON_RATE_HT:
3987 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
3988 wpa_printf(MSG_INFO,
3989 "nl80211: Driver does not support setting Beacon frame rate (HT)");
3990 return -1;
3991 }
3992 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
3993 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
3994 (params->freq->vht_enabled &&
3995 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3996 &vht_rate)))
3997 return -1;
3998 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
3999 params->beacon_rate);
4000 break;
4001 case BEACON_RATE_VHT:
4002 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
4003 wpa_printf(MSG_INFO,
4004 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
4005 return -1;
4006 }
4007 vht_rate.mcs[0] = BIT(params->beacon_rate);
4008 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
4009 return -1;
4010 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
4011 return -1;
4012 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4013 &vht_rate))
4014 return -1;
4015 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
4016 params->beacon_rate);
4017 break;
4018 }
4019
4020 nla_nest_end(msg, band);
4021 nla_nest_end(msg, bands);
4022
4023 return 0;
4024}
4025
4026
34f7c699
MB		 4027static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
4028 int multicast_to_unicast)
4029{
4030 struct wpa_driver_nl80211_data *drv = bss->drv;
4031 struct nl_msg *msg;
4032 int ret;
4033
4034 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
4035 if (!msg ||
4036 (multicast_to_unicast &&
4037 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
4038 wpa_printf(MSG_ERROR,
4039 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
4040 bss->ifname);
4041 nlmsg_free(msg);
4042 return -ENOBUFS;
4043 }
4044
4045 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4046
4047 switch (ret) {
4048 case 0:
4049 wpa_printf(MSG_DEBUG,
4050 "nl80211: multicast to unicast %s on interface %s",
4051 multicast_to_unicast ? "enabled" : "disabled",
4052 bss->ifname);
4053 break;
4054 case -EOPNOTSUPP:
4055 if (!multicast_to_unicast)
4056 break;
4057 wpa_printf(MSG_INFO,
4058 "nl80211: multicast to unicast not supported on interface %s",
4059 bss->ifname);
4060 break;
4061 default:
4062 wpa_printf(MSG_ERROR,
4063 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
4064 multicast_to_unicast ? "enabling" : "disabling",
4065 ret, strerror(-ret), bss->ifname);
4066 break;
4067 }
4068
4069 return ret;
4070}
4071
4072
19c3b566
JM		 4073static int wpa_driver_nl80211_set_ap(void *priv,
4074 struct wpa_driver_ap_params *params)
d2440ba0 4075{
a2e40bb6
FF		 4076 struct i802_bss *bss = priv;
4077 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 4078 struct nl_msg *msg;
4079 u8 cmd = NL80211_CMD_NEW_BEACON;
5b82cdbe 4080 int ret = -ENOBUFS;
b4fd6fab 4081 int beacon_set;
b11d1d64 4082 int num_suites;
da1080d7 4083 int smps_mode;
de4ed4a8 4084 u32 suites[10], suite;
b11d1d64 4085 u32 ver;
052b8d38
MH		 4086#ifdef CONFIG_MESH
4087 struct wpa_driver_mesh_bss_params mesh_params;
4088#endif /* CONFIG_MESH */
b4fd6fab 4089
f33c8606 4090 beacon_set = params->reenable ? 0 : bss->beacon_set;
d2440ba0 4091
d2440ba0 4092 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 4093 beacon_set);
4094 if (beacon_set)
d2440ba0 4095 cmd = NL80211_CMD_SET_BEACON;
89fa633a
DL		 4096 else if (!drv->device_ap_sme && !drv->use_monitor &&
4097 !nl80211_get_wiphy_data_ap(bss))
a70cd0db 4098 return -ENOBUFS;
d2440ba0 4099
b92e08fc
JM		 4100 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
4101 params->head, params->head_len);
b92e08fc
JM		 4102 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
4103 params->tail, params->tail_len);
13f83980 4104 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 4105 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
d4f3003c
PK		 4106 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
4107 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
b92e08fc 4108 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
21cd8f83
JM		 4109 wpa_printf(MSG_DEBUG, "nl80211: ssid=%s",
4110 wpa_ssid_txt(params->ssid, params->ssid_len));
13f83980 4111 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 4112 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
4113 params->head) ||
4114 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
4115 params->tail) ||
85e1fad8 4116 nl80211_put_beacon_int(msg, params->beacon_int) ||
d4f3003c 4117 nl80211_put_beacon_rate(msg, drv->capa.flags, params) ||
4ac2ea57 4118 nl80211_put_dtim_period(msg, params->dtim_period) ||
a862e4a3
JM		 4119 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4120 goto fail;
b92e08fc
JM		 4121 if (params->proberesp && params->proberesp_len) {
4122 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
4123 params->proberesp, params->proberesp_len);
a862e4a3
JM		 4124 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
4125 params->proberesp))
4126 goto fail;
b92e08fc 4127 }
97a7a0b5
JM		 4128 switch (params->hide_ssid) {
4129 case NO_SSID_HIDING:
b92e08fc 4130 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM		 4131 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4132 NL80211_HIDDEN_SSID_NOT_IN_USE))
4133 goto fail;
97a7a0b5
JM		 4134 break;
4135 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 4136 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM		 4137 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4138 NL80211_HIDDEN_SSID_ZERO_LEN))
4139 goto fail;
97a7a0b5
JM		 4140 break;
4141 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 4142 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM		 4143 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4144 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
4145 goto fail;
97a7a0b5
JM		 4146 break;
4147 }
b92e08fc 4148 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM		 4149 if (params->privacy &&
4150 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
4151 goto fail;
b92e08fc 4152 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 4153 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
4154 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
4155 /* Leave out the attribute */
a862e4a3
JM		 4156 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
4157 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4158 NL80211_AUTHTYPE_SHARED_KEY))
4159 goto fail;
4160 } else {
4161 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4162 NL80211_AUTHTYPE_OPEN_SYSTEM))
4163 goto fail;
4164 }
b11d1d64 4165
b92e08fc 4166 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 4167 ver = 0;
4168 if (params->wpa_version & WPA_PROTO_WPA)
4169 ver |= NL80211_WPA_VERSION_1;
4170 if (params->wpa_version & WPA_PROTO_RSN)
4171 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM		 4172 if (ver &&
4173 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4174 goto fail;
b11d1d64 4175
b92e08fc
JM		 4176 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
4177 params->key_mgmt_suites);
b11d1d64
JM		 4178 num_suites = 0;
4179 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3aa24db9 4180 suites[num_suites++] = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
b11d1d64 4181 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3aa24db9 4182 suites[num_suites++] = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
a862e4a3
JM		 4183 if (num_suites &&
4184 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
4185 suites))
4186 goto fail;
b11d1d64 4187
533fe09b 4188 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
e3429c0b
JB		 4189 (!params->pairwise_ciphers ||
4190 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
4191 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
4192 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
a862e4a3 4193 goto fail;
9f12614b 4194
c8931afe
JM		 4195 if (drv->device_ap_sme &&
4196 (params->key_mgmt_suites & WPA_KEY_MGMT_SAE) &&
4197 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
4198 goto fail;
236e793e 4199
b92e08fc
JM		 4200 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
4201 params->pairwise_ciphers);
de4ed4a8
JM		 4202 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
4203 suites, ARRAY_SIZE(suites));
a862e4a3
JM		 4204 if (num_suites &&
4205 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4206 num_suites * sizeof(u32), suites))
4207 goto fail;
b11d1d64 4208
b92e08fc
JM		 4209 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
4210 params->group_cipher);
de4ed4a8 4211 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM		 4212 if (suite &&
4213 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
4214 goto fail;
d2440ba0 4215
ee298f1b
JM		 4216 if (params->ht_opmode != -1) {
4217 switch (params->smps_mode) {
4218 case HT_CAP_INFO_SMPS_DYNAMIC:
4219 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
4220 smps_mode = NL80211_SMPS_DYNAMIC;
4221 break;
4222 case HT_CAP_INFO_SMPS_STATIC:
4223 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
4224 smps_mode = NL80211_SMPS_STATIC;
4225 break;
4226 default:
4227 /* invalid - fallback to smps off */
4228 case HT_CAP_INFO_SMPS_DISABLED:
4229 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
4230 smps_mode = NL80211_SMPS_OFF;
4231 break;
4232 }
a2426829 4233 if (nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
ee298f1b 4234 goto fail;
da1080d7 4235 }
da1080d7 4236
fb91db56 4237 if (params->beacon_ies) {
b92e08fc
JM		 4238 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
4239 params->beacon_ies);
a862e4a3
JM		 4240 if (nla_put(msg, NL80211_ATTR_IE,
4241 wpabuf_len(params->beacon_ies),
4242 wpabuf_head(params->beacon_ies)))
4243 goto fail;
fb91db56
JM		 4244 }
4245 if (params->proberesp_ies) {
b92e08fc
JM		 4246 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
4247 params->proberesp_ies);
a862e4a3
JM		 4248 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
4249 wpabuf_len(params->proberesp_ies),
4250 wpabuf_head(params->proberesp_ies)))
4251 goto fail;
fb91db56
JM		 4252 }
4253 if (params->assocresp_ies) {
b92e08fc
JM		 4254 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
4255 params->assocresp_ies);
a862e4a3
JM		 4256 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
4257 wpabuf_len(params->assocresp_ies),
4258 wpabuf_head(params->assocresp_ies)))
4259 goto fail;
fb91db56
JM		 4260 }
4261
a0133ee1 4262 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 4263 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
4264 params->ap_max_inactivity);
a862e4a3
JM		 4265 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
4266 params->ap_max_inactivity))
4267 goto fail;
a0133ee1
VT		 4268 }
4269
abb8d08b
EP		 4270#ifdef CONFIG_P2P
4271 if (params->p2p_go_ctwindow > 0) {
4272 if (drv->p2p_go_ctwindow_supported) {
4273 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
4274 params->p2p_go_ctwindow);
4275 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
4276 params->p2p_go_ctwindow))
4277 goto fail;
4278 } else {
4279 wpa_printf(MSG_INFO,
4280 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
4281 }
4282 }
4283#endif /* CONFIG_P2P */
4284
86b5c400
LD		 4285 if (params->pbss) {
4286 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
4287 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4288 goto fail;
4289 }
4290
5b82cdbe
JB		 4291 if (params->ftm_responder) {
4292 struct nlattr *ftm;
4293
4294 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) {
4295 ret = -ENOTSUP;
4296 goto fail;
4297 }
4298
4299 ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER);
4300 if (!ftm ||
4301 nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) ||
4302 (params->lci &&
4303 nla_put(msg, NL80211_FTM_RESP_ATTR_LCI,
4304 wpabuf_len(params->lci),
4305 wpabuf_head(params->lci))) ||
4306 (params->civic &&
4307 nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC,
4308 wpabuf_len(params->civic),
4309 wpabuf_head(params->civic))))
4310 goto fail;
4311 nla_nest_end(msg, ftm);
4312 }
4313
a84bf443
JC		 4314#ifdef CONFIG_IEEE80211AX
4315 if (params->he_spr) {
4316 struct nlattr *spr;
4317
4318 spr = nla_nest_start(msg, NL80211_ATTR_HE_OBSS_PD);
4319 wpa_printf(MSG_DEBUG, "nl80211: he_spr=%d", params->he_spr);
4320
4321 if (nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
4322 params->he_spr_srg_obss_pd_min_offset) ||
4323 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
4324 params->he_spr_srg_obss_pd_max_offset))
4325 goto fail;
4326
4327 nla_nest_end(msg, spr);
4328 }
4329#endif /* CONFIG_IEEE80211AX */
4330
d2440ba0
JM		 4331 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4332 if (ret) {
4333 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
4334 ret, strerror(-ret));
b4fd6fab 4335 } else {
b4fd6fab 4336 bss->beacon_set = 1;
31357268 4337 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 4338 params->short_slot_time, params->ht_opmode,
e5693c47 4339 params->isolate, params->basic_rates);
34f7c699
MB		 4340 nl80211_set_multicast_to_unicast(bss,
4341 params->multicast_to_unicast);
e87ef751
PX		 4342 if (beacon_set && params->freq &&
4343 params->freq->bandwidth != bss->bandwidth) {
4344 wpa_printf(MSG_DEBUG,
4345 "nl80211: Update BSS %s bandwidth: %d -> %d",
4346 bss->ifname, bss->bandwidth,
4347 params->freq->bandwidth);
4348 ret = nl80211_set_channel(bss, params->freq, 1);
4349 if (ret) {
4350 wpa_printf(MSG_DEBUG,
4351 "nl80211: Frequency set failed: %d (%s)",
4352 ret, strerror(-ret));
4353 } else {
4354 wpa_printf(MSG_DEBUG,
4355 "nl80211: Frequency set succeeded for ht2040 coex");
4356 bss->bandwidth = params->freq->bandwidth;
4357 }
f5728d0a 4358 } else if (!beacon_set && params->freq) {
e87ef751
PX		 4359 /*
4360 * cfg80211 updates the driver on frequence change in AP
4361 * mode only at the point when beaconing is started, so
4362 * set the initial value here.
4363 */
4364 bss->bandwidth = params->freq->bandwidth;
4365 }
b4fd6fab 4366 }
052b8d38
MH		 4367
4368#ifdef CONFIG_MESH
4369 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
4370 os_memset(&mesh_params, 0, sizeof(mesh_params));
4371 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
4372 mesh_params.ht_opmode = params->ht_opmode;
4373 ret = nl80211_set_mesh_config(priv, &mesh_params);
4374 if (ret < 0)
4375 return ret;
4376 }
4377#endif /* CONFIG_MESH */
4378
d2440ba0 4379 return ret;
a862e4a3 4380fail:
5883168a 4381 nlmsg_free(msg);
5b82cdbe 4382 return ret;
d2440ba0
JM		 4383}
4384
4385
1c4ffa87 4386static int nl80211_put_freq_params(struct nl_msg *msg,
72b2605f 4387 const struct hostapd_freq_params *freq)
1581b38b 4388{
df4f9599
SE		 4389 enum hostapd_hw_mode hw_mode;
4390 int is_24ghz;
4391 u8 channel;
4392
1fc4ab23 4393 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
a862e4a3
JM		 4394 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4395 return -ENOBUFS;
4396
ad9a1bfe 4397 wpa_printf(MSG_DEBUG, " * he_enabled=%d", freq->he_enabled);
1fc4ab23
JM		 4398 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4399 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4400
df4f9599
SE		 4401 hw_mode = ieee80211_freq_to_chan(freq->freq, &channel);
4402 is_24ghz = hw_mode == HOSTAPD_MODE_IEEE80211G ||
4403 hw_mode == HOSTAPD_MODE_IEEE80211B;
4404
4405 if (freq->vht_enabled || (freq->he_enabled && !is_24ghz)) {
a862e4a3
JM		 4406 enum nl80211_chan_width cw;
4407
1fc4ab23 4408 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
89b800d7
JB		 4409 switch (freq->bandwidth) {
4410 case 20:
a862e4a3 4411 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB		 4412 break;
4413 case 40:
a862e4a3 4414 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB		 4415 break;
4416 case 80:
4417 if (freq->center_freq2)
a862e4a3 4418 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 4419 else
a862e4a3 4420 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB		 4421 break;
4422 case 160:
a862e4a3 4423 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB		 4424 break;
4425 default:
1c4ffa87 4426 return -EINVAL;
89b800d7 4427 }
a862e4a3 4428
1fc4ab23
JM		 4429 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4430 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4431 freq->center_freq1);
4432 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4433 freq->center_freq2);
a862e4a3
JM		 4434 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4435 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4436 freq->center_freq1) ||
4437 (freq->center_freq2 &&
4438 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
4439 freq->center_freq2)))
4440 return -ENOBUFS;
89b800d7 4441 } else if (freq->ht_enabled) {
a862e4a3
JM		 4442 enum nl80211_channel_type ct;
4443
1fc4ab23
JM		 4444 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4445 freq->sec_channel_offset);
89b800d7 4446 switch (freq->sec_channel_offset) {
f019981a 4447 case -1:
a862e4a3 4448 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM		 4449 break;
4450 case 1:
a862e4a3 4451 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM		 4452 break;
4453 default:
a862e4a3 4454 ct = NL80211_CHAN_HT20;
f019981a
JM		 4455 break;
4456 }
a862e4a3 4457
1fc4ab23 4458 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
a862e4a3
JM		 4459 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
4460 return -ENOBUFS;
dda5d9e3
AAL		 4461 } else if (freq->edmg.channels && freq->edmg.bw_config) {
4462 wpa_printf(MSG_DEBUG,
4463 " * EDMG configuration: channels=0x%x bw_config=%d",
4464 freq->edmg.channels, freq->edmg.bw_config);
4465 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
4466 freq->edmg.channels) ||
4467 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
4468 freq->edmg.bw_config))
4469 return -1;
3388e7b9
MH		 4470 } else {
4471 wpa_printf(MSG_DEBUG, " * channel_type=%d",
4472 NL80211_CHAN_NO_HT);
4473 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
4474 NL80211_CHAN_NO_HT))
4475 return -ENOBUFS;
f019981a 4476 }
1c4ffa87 4477 return 0;
1c4ffa87
AO		 4478}
4479
4480
e87ef751
PX		 4481static int nl80211_set_channel(struct i802_bss *bss,
4482 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 4483{
4484 struct wpa_driver_nl80211_data *drv = bss->drv;
4485 struct nl_msg *msg;
4486 int ret;
4487
4488 wpa_printf(MSG_DEBUG,
ad9a1bfe
JC		 4489 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
4490 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
1c4ffa87 4491 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 4492
9725b784
JM		 4493 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
4494 NL80211_CMD_SET_WIPHY);
4495 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM		 4496 nlmsg_free(msg);
4497 return -1;
4498 }
1581b38b 4499
d2440ba0 4500 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 4501 if (ret == 0) {
89b800d7 4502 bss->freq = freq->freq;
1581b38b 4503 return 0;
e4fb2167 4504 }
f019981a 4505 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 4506 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM		 4507 return -1;
4508}
4509
0f4e8b4f 4510
95ab6063
AN		 4511static u32 sta_flags_nl80211(int flags)
4512{
4513 u32 f = 0;
4514
4515 if (flags & WPA_STA_AUTHORIZED)
4516 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
4517 if (flags & WPA_STA_WMM)
4518 f |= BIT(NL80211_STA_FLAG_WME);
4519 if (flags & WPA_STA_SHORT_PREAMBLE)
4520 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
4521 if (flags & WPA_STA_MFP)
4522 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 4523 if (flags & WPA_STA_TDLS_PEER)
4524 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC		 4525 if (flags & WPA_STA_AUTHENTICATED)
4526 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
dc55b6b6
AB		 4527 if (flags & WPA_STA_ASSOCIATED)
4528 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
95ab6063
AN		 4529
4530 return f;
4531}
4532
4533
7c7e7877
BC		 4534#ifdef CONFIG_MESH
4535static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
4536{
4537 switch (state) {
d02e5498 4538 case PLINK_IDLE:
7c7e7877 4539 return NL80211_PLINK_LISTEN;
d02e5498 4540 case PLINK_OPN_SNT:
7c7e7877 4541 return NL80211_PLINK_OPN_SNT;
d02e5498 4542 case PLINK_OPN_RCVD:
7c7e7877
BC		 4543 return NL80211_PLINK_OPN_RCVD;
4544 case PLINK_CNF_RCVD:
4545 return NL80211_PLINK_CNF_RCVD;
4546 case PLINK_ESTAB:
4547 return NL80211_PLINK_ESTAB;
4548 case PLINK_HOLDING:
4549 return NL80211_PLINK_HOLDING;
4550 case PLINK_BLOCKED:
4551 return NL80211_PLINK_BLOCKED;
4552 default:
4553 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
4554 state);
4555 }
4556 return -1;
4557}
4558#endif /* CONFIG_MESH */
4559
4560
62847751 4561static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 4562 struct hostapd_sta_add_params *params)
4563{
a2e40bb6
FF		 4564 struct i802_bss *bss = priv;
4565 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 4566 struct nl_msg *msg;
95ab6063 4567 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 4568 int ret = -ENOBUFS;
4569
45b722f1
AN		 4570 if ((params->flags & WPA_STA_TDLS_PEER) &&
4571 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
4572 return -EOPNOTSUPP;
4573
e4dea253
JM		 4574 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
4575 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM		 4576 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
4577 NL80211_CMD_NEW_STATION);
4578 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 4579 goto fail;
5551bc9c 4580
dc55b6b6
AB		 4581 /*
4582 * Set the below properties only in one of the following cases:
4583 * 1. New station is added, already associated.
4584 * 2. Set WPA_STA_TDLS_PEER station.
4585 * 3. Set an already added unassociated station, if driver supports
4586 * full AP client state. (Set these properties after station became
4587 * associated will be rejected by the driver).
4588 */
4589 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4590 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4591 (params->flags & WPA_STA_ASSOCIATED))) {
5551bc9c
BC		 4592 wpa_hexdump(MSG_DEBUG, " * supported rates",
4593 params->supp_rates, params->supp_rates_len);
a862e4a3
JM		 4594 wpa_printf(MSG_DEBUG, " * capability=0x%x",
4595 params->capability);
4596 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
4597 params->supp_rates_len, params->supp_rates) ||
4598 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
4599 params->capability))
4600 goto fail;
e503861f
JM		 4601
4602 if (params->ht_capabilities) {
4603 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
4604 (u8 *) params->ht_capabilities,
4605 sizeof(*params->ht_capabilities));
a862e4a3
JM		 4606 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
4607 sizeof(*params->ht_capabilities),
4608 params->ht_capabilities))
4609 goto fail;
e503861f
JM		 4610 }
4611
4612 if (params->vht_capabilities) {
4613 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
4614 (u8 *) params->vht_capabilities,
4615 sizeof(*params->vht_capabilities));
a862e4a3
JM		 4616 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
4617 sizeof(*params->vht_capabilities),
4618 params->vht_capabilities))
4619 goto fail;
e503861f
JM		 4620 }
4621
59d9c3a1
JC		 4622 if (params->he_capab) {
4623 wpa_hexdump(MSG_DEBUG, " * he_capab",
4624 params->he_capab, params->he_capab_len);
4625 if (nla_put(msg, NL80211_ATTR_HE_CAPABILITY,
4626 params->he_capab_len, params->he_capab))
4627 goto fail;
4628 }
4629
e503861f
JM		 4630 if (params->ext_capab) {
4631 wpa_hexdump(MSG_DEBUG, " * ext_capab",
4632 params->ext_capab, params->ext_capab_len);
a862e4a3
JM		 4633 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4634 params->ext_capab_len, params->ext_capab))
4635 goto fail;
e503861f 4636 }
ae33239c
AB		 4637
4638 if (is_ap_interface(drv->nlmode) &&
4639 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4640 params->support_p2p_ps ?
4641 NL80211_P2P_PS_SUPPORTED :
4642 NL80211_P2P_PS_UNSUPPORTED))
4643 goto fail;
5551bc9c 4644 }
45b722f1 4645 if (!params->set) {
f11b72c3
JM		 4646 if (params->aid) {
4647 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM		 4648 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4649 goto fail;
f11b72c3
JM		 4650 } else {
4651 /*
4652 * cfg80211 validates that AID is non-zero, so we have
4653 * to make this a non-zero value for the TDLS case where
dc55b6b6
AB		 4654 * a dummy STA entry is used for now and for a station
4655 * that is still not associated.
f11b72c3 4656 */
dc55b6b6
AB		 4657 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4658 (params->flags & WPA_STA_TDLS_PEER) ?
4659 "TDLS" : "UNASSOC_STA");
a862e4a3
JM		 4660 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4661 goto fail;
f11b72c3 4662 }
e4dea253
JM		 4663 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4664 params->listen_interval);
a862e4a3
JM		 4665 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4666 params->listen_interval))
4667 goto fail;
e112764e
JM		 4668 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4669 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM		 4670 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4671 goto fail;
dc55b6b6
AB		 4672 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4673 (params->flags & WPA_STA_ASSOCIATED)) {
4674 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4675 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4676 params->listen_interval);
4677 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4678 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4679 params->listen_interval))
4680 goto fail;
45b722f1 4681 }
05a8d422 4682
8a458116
MK		 4683 if (params->vht_opmode_enabled) {
4684 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM		 4685 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4686 params->vht_opmode))
4687 goto fail;
8a458116
MK		 4688 }
4689
efc64886
SD		 4690 if (params->supp_channels) {
4691 wpa_hexdump(MSG_DEBUG, " * supported channels",
4692 params->supp_channels, params->supp_channels_len);
a862e4a3
JM		 4693 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4694 params->supp_channels_len, params->supp_channels))
4695 goto fail;
efc64886
SD		 4696 }
4697
4698 if (params->supp_oper_classes) {
4699 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4700 params->supp_oper_classes,
4701 params->supp_oper_classes_len);
a862e4a3
JM		 4702 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4703 params->supp_oper_classes_len,
4704 params->supp_oper_classes))
4705 goto fail;
efc64886
SD		 4706 }
4707
95ab6063 4708 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC		 4709 upd.set = sta_flags_nl80211(params->flags);
4710 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
dc55b6b6
AB		 4711
4712 /*
4713 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4714 * flags, as nl80211 driver moves a new station, by default, into
4715 * associated state.
4716 *
4717 * On the other hand, if the driver supports that feature and the
4718 * station is added in unauthenticated state, set the
4719 * authenticated/associated bits in the mask to prevent moving this
4720 * station to associated state before it is actually associated.
4721 *
4722 * This is irrelevant for mesh mode where the station is added to the
4723 * driver as authenticated already, and ASSOCIATED isn't part of the
4724 * nl80211 API.
4725 */
4726 if (!is_mesh_interface(drv->nlmode)) {
4727 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4728 wpa_printf(MSG_DEBUG,
4729 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4730 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4731 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4732 } else if (!params->set &&
4733 !(params->flags & WPA_STA_TDLS_PEER)) {
4734 if (!(params->flags & WPA_STA_AUTHENTICATED))
4735 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4736 if (!(params->flags & WPA_STA_ASSOCIATED))
4737 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4738 }
e347cafe
MH		 4739#ifdef CONFIG_MESH
4740 } else {
4741 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4742 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4743 params->peer_aid);
4744 if (ret)
4745 goto fail;
4746 }
4747#endif /* CONFIG_MESH */
dc55b6b6
AB		 4748 }
4749
e4dea253
JM		 4750 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4751 upd.set, upd.mask);
a862e4a3
JM		 4752 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4753 goto fail;
95ab6063 4754
7c7e7877 4755#ifdef CONFIG_MESH
a862e4a3
JM		 4756 if (params->plink_state &&
4757 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4758 sta_plink_state_nl80211(params->plink_state)))
4759 goto fail;
7c7e7877
BC		 4760#endif /* CONFIG_MESH */
4761
968520da
SD		 4762 if ((!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4763 FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) &&
4764 (params->flags & WPA_STA_WMM)) {
8970bae8
JB		 4765 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4766
e4dea253 4767 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM		 4768 if (!wme ||
4769 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4770 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4771 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4772 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4773 WMM_QOSINFO_STA_SP_MASK))
4774 goto fail;
8970bae8 4775 nla_nest_end(msg, wme);
774bfa62
EP		 4776 }
4777
0f4e8b4f 4778 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4779 msg = NULL;
0f4e8b4f 4780 if (ret)
45b722f1
AN		 4781 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4782 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4783 strerror(-ret));
0f4e8b4f
JM		 4784 if (ret == -EEXIST)
4785 ret = 0;
a862e4a3 4786fail:
5883168a 4787 nlmsg_free(msg);
0f4e8b4f
JM		 4788 return ret;
4789}
4790
4791
97ed9a06
KP		 4792static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4793{
4794#ifdef CONFIG_LIBNL3_ROUTE
4795 struct wpa_driver_nl80211_data *drv = bss->drv;
4796 struct rtnl_neigh *rn;
4797 struct nl_addr *nl_addr;
4798 int err;
4799
4800 rn = rtnl_neigh_alloc();
4801 if (!rn)
4802 return;
4803
4804 rtnl_neigh_set_family(rn, AF_BRIDGE);
4805 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4806 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4807 if (!nl_addr) {
4808 rtnl_neigh_put(rn);
4809 return;
4810 }
4811 rtnl_neigh_set_lladdr(rn, nl_addr);
4812
4813 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4814 if (err < 0) {
4815 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4816 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4817 bss->ifindex, nl_geterror(err));
4818 } else {
4819 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4820 MACSTR, MAC2STR(addr));
4821 }
4822
4823 nl_addr_put(nl_addr);
4824 rtnl_neigh_put(rn);
4825#endif /* CONFIG_LIBNL3_ROUTE */
4826}
4827
4828
59d7148a
JM		 4829static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4830 int deauth, u16 reason_code)
0f4e8b4f 4831{
a2e40bb6 4832 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 4833 struct nl_msg *msg;
4834 int ret;
4835
13f83980 4836 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM		 4837 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4838 (deauth == 0 &&
4839 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4840 WLAN_FC_STYPE_DISASSOC)) ||
4841 (deauth == 1 &&
4842 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4843 WLAN_FC_STYPE_DEAUTH)) ||
4844 (reason_code &&
4845 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4846 nlmsg_free(msg);
4847 return -ENOBUFS;
4848 }
0f4e8b4f
JM		 4849
4850 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 4851 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4852 " --> %d (%s)",
4853 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 4854
4855 if (drv->rtnl_sk)
4856 rtnl_neigh_delete_fdb_entry(bss, addr);
4857
0f4e8b4f
JM		 4858 if (ret == -ENOENT)
4859 return 0;
4860 return ret;
0f4e8b4f
JM		 4861}
4862
1581b38b 4863
f3407c66 4864void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM		 4865{
4866 struct nl_msg *msg;
de884303 4867 struct wpa_driver_nl80211_data *drv2;
0915d02c 4868
c6e8e8e4
JM		 4869 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4870
2135f224 4871 /* stop listening for EAPOL on this interface */
de884303
JM		 4872 dl_list_for_each(drv2, &drv->global->interfaces,
4873 struct wpa_driver_nl80211_data, list)
732b1d20
MB		 4874 {
4875 del_ifidx(drv2, ifidx, IFIDX_ANY);
4876 /* Remove all bridges learned for this iface */
4877 del_ifidx(drv2, IFIDX_ANY, ifidx);
4878 }
2135f224 4879
95376e1a 4880 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 4881 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4882 return;
e748062b 4883 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 4884}
4885
4886
cc9a2575 4887const char * nl80211_iftype_str(enum nl80211_iftype mode)
a1922f93
JM		 4888{
4889 switch (mode) {
4890 case NL80211_IFTYPE_ADHOC:
4891 return "ADHOC";
4892 case NL80211_IFTYPE_STATION:
4893 return "STATION";
4894 case NL80211_IFTYPE_AP:
4895 return "AP";
1045ec36
JM		 4896 case NL80211_IFTYPE_AP_VLAN:
4897 return "AP_VLAN";
4898 case NL80211_IFTYPE_WDS:
4899 return "WDS";
a1922f93
JM		 4900 case NL80211_IFTYPE_MONITOR:
4901 return "MONITOR";
1045ec36
JM		 4902 case NL80211_IFTYPE_MESH_POINT:
4903 return "MESH_POINT";
a1922f93
JM		 4904 case NL80211_IFTYPE_P2P_CLIENT:
4905 return "P2P_CLIENT";
4906 case NL80211_IFTYPE_P2P_GO:
4907 return "P2P_GO";
7aad838c
NS		 4908 case NL80211_IFTYPE_P2P_DEVICE:
4909 return "P2P_DEVICE";
a1922f93
JM		 4910 default:
4911 return "unknown";
4912 }
4913}
4914
4915
a35187e7
KH		 4916static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4917 const char *ifname,
4918 enum nl80211_iftype iftype,
d6dcfcda
DS		 4919 const u8 *addr, int wds,
4920 int (*handler)(struct nl_msg *, void *),
4921 void *arg)
0915d02c 4922{
8970bae8 4923 struct nl_msg *msg;
0915d02c
JM		 4924 int ifidx;
4925 int ret = -ENOBUFS;
4926
a1922f93
JM		 4927 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4928 iftype, nl80211_iftype_str(iftype));
4929
56f77852
JM		 4930 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4931 if (!msg ||
a862e4a3
JM		 4932 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4933 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4934 goto fail;
0915d02c
JM		 4935
4936 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 4937 struct nlattr *flags;
0915d02c 4938
8970bae8 4939 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM		 4940 if (!flags ||
4941 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4942 goto fail;
0915d02c 4943
8970bae8 4944 nla_nest_end(msg, flags);
fbbfcbac 4945 } else if (wds) {
a862e4a3
JM		 4946 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4947 goto fail;
0915d02c
JM		 4948 }
4949
52f5877a
IP		 4950 /*
4951 * Tell cfg80211 that the interface belongs to the socket that created
4952 * it, and the interface should be deleted when the socket is closed.
4953 */
a862e4a3
JM		 4954 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4955 goto fail;
52f5877a 4956
d6dcfcda 4957 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 4958 msg = NULL;
0915d02c 4959 if (ret) {
a862e4a3 4960 fail:
5883168a 4961 nlmsg_free(msg);
a35187e7
KH		 4962 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4963 ifname, ret, strerror(-ret));
0915d02c
JM		 4964 return ret;
4965 }
4966
f632e483 4967 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 4968 return 0;
6bae92e0 4969
0915d02c 4970 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 4971 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4972 ifname, ifidx);
0915d02c
JM		 4973
4974 if (ifidx <= 0)
4975 return -1;
4976
147848ec
JM		 4977 /*
4978 * Some virtual interfaces need to process EAPOL packets and events on
4979 * the parent interface. This is used mainly with hostapd.
4980 */
4981 if (drv->hostapd ||
4982 iftype == NL80211_IFTYPE_AP_VLAN ||
4983 iftype == NL80211_IFTYPE_WDS ||
4984 iftype == NL80211_IFTYPE_MONITOR) {
4985 /* start listening for EAPOL on this interface */
732b1d20 4986 add_ifidx(drv, ifidx, IFIDX_ANY);
147848ec 4987 }
2135f224 4988
7bfc47c3 4989 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 4990 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 4991 nl80211_remove_iface(drv, ifidx);
4992 return -1;
2135f224 4993 }
2135f224 4994
0915d02c
JM		 4995 return ifidx;
4996}
22a7c9d7
JM		 4997
4998
f3407c66
JM		 4999int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
5000 const char *ifname, enum nl80211_iftype iftype,
5001 const u8 *addr, int wds,
5002 int (*handler)(struct nl_msg *, void *),
5003 void *arg, int use_existing)
a35187e7
KH		 5004{
5005 int ret;
5006
d6dcfcda
DS		 5007 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
5008 arg);
a35187e7 5009
ffbf1eaa 5010 /* if error occurred and interface exists already */
a35187e7 5011 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 5012 if (use_existing) {
5013 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
5014 ifname);
6997f8ba
JM		 5015 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
5016 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5017 addr) < 0 &&
5018 (linux_set_iface_flags(drv->global->ioctl_sock,
5019 ifname, 0) < 0 ||
5020 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5021 addr) < 0 ||
5022 linux_set_iface_flags(drv->global->ioctl_sock,
5023 ifname, 1) < 0))
5024 return -1;
2aec4f3c
JM		 5025 return -ENFILE;
5026 }
a35187e7
KH		 5027 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
5028
5029 /* Try to remove the interface that was already there. */
5030 nl80211_remove_iface(drv, if_nametoindex(ifname));
5031
5032 /* Try to create the interface again */
fbbfcbac 5033 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 5034 wds, handler, arg);
a35187e7
KH		 5035 }
5036
3e208481
JM		 5037 if (ret >= 0 && is_p2p_net_interface(iftype)) {
5038 wpa_printf(MSG_DEBUG,
5039 "nl80211: Interface %s created for P2P - disable 11b rates",
5040 ifname);
4e5cb1a3 5041 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 5042 }
4e5cb1a3 5043
a35187e7
KH		 5044 return ret;
5045}
0915d02c 5046
2135f224 5047
3fd1cefb
JB		 5048static int nl80211_setup_ap(struct i802_bss *bss)
5049{
5050 struct wpa_driver_nl80211_data *drv = bss->drv;
5051
748c0ac0
JM		 5052 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
5053 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 5054
a11241fa
JB		 5055 /*
5056 * Disable Probe Request reporting unless we need it in this way for
5057 * devices that include the AP SME, in the other case (unless using
5058 * monitor iface) we'll get it through the nl_mgmt socket instead.
5059 */
5060 if (!drv->device_ap_sme)
5061 wpa_driver_nl80211_probe_req_report(bss, 0);
5062
5063 if (!drv->device_ap_sme && !drv->use_monitor)
5064 if (nl80211_mgmt_subscribe_ap(bss))
5065 return -1;
5066
a6cc0602
JM		 5067 if (drv->device_ap_sme && !drv->use_monitor)
5068 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
f4830bed
RM		 5069 wpa_printf(MSG_DEBUG,
5070 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
a6cc0602 5071
a11241fa 5072 if (!drv->device_ap_sme && drv->use_monitor &&
ea19b39f
RM		 5073 nl80211_create_monitor_interface(drv) &&
5074 !drv->device_ap_sme)
3fd1cefb
JB		 5075 return -1;
5076
5077 if (drv->device_ap_sme &&
5078 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
5079 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
5080 "Probe Request frame reporting in AP mode");
5081 /* Try to survive without this */
5082 }
5083
5084 return 0;
5085}
5086
5087
5088static void nl80211_teardown_ap(struct i802_bss *bss)
5089{
5090 struct wpa_driver_nl80211_data *drv = bss->drv;
5091
748c0ac0
JM		 5092 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
5093 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 5094 if (drv->device_ap_sme) {
3fd1cefb 5095 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 5096 if (!drv->use_monitor)
5097 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
5098 } else if (drv->use_monitor)
3fd1cefb 5099 nl80211_remove_monitor_interface(drv);
a11241fa 5100 else
36488c05 5101 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 5102
a70cd0db 5103 nl80211_put_wiphy_data_ap(bss);
3fd1cefb
JB		 5104 bss->beacon_set = 0;
5105}
5106
5107
8759e911 5108static int nl80211_tx_control_port(void *priv, const u8 *dest,
a79ed068
MT		 5109 u16 proto, const u8 *buf, size_t len,
5110 int no_encrypt)
8759e911
BJ		 5111{
5112 struct i802_bss *bss = priv;
5113 struct nl_msg *msg;
5114 int ret;
5115
5116 wpa_printf(MSG_DEBUG,
5117 "nl80211: Send over control port dest=" MACSTR
a79ed068
MT		 5118 " proto=0x%04x len=%u no_encrypt=%d",
5119 MAC2STR(dest), proto, (unsigned int) len, no_encrypt);
8759e911
BJ		 5120
5121 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CONTROL_PORT_FRAME);
5122 if (!msg ||
5123 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
5124 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dest) ||
a79ed068
MT		 5125 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
5126 (no_encrypt &&
5127 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) {
8759e911
BJ		 5128 nlmsg_free(msg);
5129 return -ENOBUFS;
5130 }
5131
5132 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5133 if (ret)
5134 wpa_printf(MSG_DEBUG,
5135 "nl80211: tx_control_port failed: ret=%d (%s)",
5136 ret, strerror(ret));
5137
5138 return ret;
5139}
5140
5141
f10bfc9a
JM		 5142static int nl80211_send_eapol_data(struct i802_bss *bss,
5143 const u8 *addr, const u8 *data,
d12dab4c 5144 size_t data_len)
f10bfc9a 5145{
d12dab4c
JB		 5146 struct sockaddr_ll ll;
5147 int ret;
5148
5149 if (bss->drv->eapol_tx_sock < 0) {
5150 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 5151 return -1;
5152 }
5153
d12dab4c
JB		 5154 os_memset(&ll, 0, sizeof(ll));
5155 ll.sll_family = AF_PACKET;
5156 ll.sll_ifindex = bss->ifindex;
5157 ll.sll_protocol = htons(ETH_P_PAE);
5158 ll.sll_halen = ETH_ALEN;
5159 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
5160 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
5161 (struct sockaddr *) &ll, sizeof(ll));
5162 if (ret < 0)
5163 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
5164 strerror(errno));
5165
5166 return ret;
f10bfc9a 5167}
5fb1a232 5168
f10bfc9a 5169
db149ac9
JM		 5170static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
5171
5172static int wpa_driver_nl80211_hapd_send_eapol(
5173 void *priv, const u8 *addr, const u8 *data,
4378fc14 5174 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 5175{
a2e40bb6
FF		 5176 struct i802_bss *bss = priv;
5177 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 5178 struct ieee80211_hdr *hdr;
5179 size_t len;
5180 u8 *pos;
5181 int res;
4378fc14 5182 int qos = flags & WPA_STA_WMM;
db149ac9 5183
781c5a06
MT		 5184 if (drv->capa.flags & WPA_DRIVER_FLAGS_CONTROL_PORT)
5185 return nl80211_tx_control_port(bss, addr, ETH_P_EAPOL,
5186 data, data_len, !encrypt);
5187
a11241fa 5188 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 5189 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 5190
db149ac9
JM		 5191 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
5192 data_len;
5193 hdr = os_zalloc(len);
5194 if (hdr == NULL) {
7ac3616d
JM		 5195 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
5196 (unsigned long) len);
db149ac9
JM		 5197 return -1;
5198 }
5199
5200 hdr->frame_control =
5201 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
5202 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
5203 if (encrypt)
5204 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 5205 if (qos) {
5206 hdr->frame_control |=
5207 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
5208 }
db149ac9
JM		 5209
5210 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
5211 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
5212 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
5213 pos = (u8 *) (hdr + 1);
5214
db149ac9 5215 if (qos) {
92d521d8
FF		 5216 /* Set highest priority in QoS header */
5217 pos[0] = 7;
db149ac9
JM		 5218 pos[1] = 0;
5219 pos += 2;
5220 }
db149ac9
JM		 5221
5222 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
5223 pos += sizeof(rfc1042_header);
5224 WPA_PUT_BE16(pos, ETH_P_PAE);
5225 pos += 2;
5226 memcpy(pos, data, data_len);
5227
14cc3d10 5228 res = nl80211_send_monitor(drv, hdr, len, encrypt, 0);
db149ac9
JM		 5229 if (res < 0) {
5230 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
5231 "failed: %d (%s)",
3ea58a05 5232 (unsigned long) len, res, strerror(res));
db149ac9 5233 }
7bf12757 5234 os_free(hdr);
db149ac9
JM		 5235
5236 return res;
5237}
5238
a8d6ffa4 5239
3234cba4 5240static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
f97e3ce4
JM		 5241 unsigned int total_flags,
5242 unsigned int flags_or,
5243 unsigned int flags_and)
a8d6ffa4 5244{
a2e40bb6 5245 struct i802_bss *bss = priv;
8970bae8
JB		 5246 struct nl_msg *msg;
5247 struct nlattr *flags;
7e76ee9c 5248 struct nl80211_sta_flag_update upd;
a8d6ffa4 5249
0cd9846c
JM		 5250 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
5251 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
5252 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
5253 !!(total_flags & WPA_STA_AUTHORIZED));
5254
13f83980 5255 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5256 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
5257 goto fail;
a8d6ffa4 5258
7e76ee9c
JM		 5259 /*
5260 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
5261 * can be removed eventually.
5262 */
8970bae8 5263 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM		 5264 if (!flags ||
5265 ((total_flags & WPA_STA_AUTHORIZED) &&
5266 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
5267 ((total_flags & WPA_STA_WMM) &&
5268 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
5269 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
5270 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
5271 ((total_flags & WPA_STA_MFP) &&
5272 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
5273 ((total_flags & WPA_STA_TDLS_PEER) &&
5274 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
5275 goto fail;
45b722f1 5276
8970bae8 5277 nla_nest_end(msg, flags);
a8d6ffa4 5278
7e76ee9c
JM		 5279 os_memset(&upd, 0, sizeof(upd));
5280 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
5281 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM		 5282 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
5283 goto fail;
7e76ee9c 5284
13f83980 5285 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 5286fail:
5883168a 5287 nlmsg_free(msg);
a8d6ffa4
JM		 5288 return -ENOBUFS;
5289}
5290
0915d02c 5291
6720b948
THJ		 5292static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr,
5293 unsigned int weight)
5294{
5295 struct i802_bss *bss = priv;
5296 struct nl_msg *msg;
5297
5298 wpa_printf(MSG_DEBUG,
5299 "nl80211: Set STA airtime weight - ifname=%s addr=" MACSTR
5300 " weight=%u", bss->ifname, MAC2STR(addr), weight);
5301
5302 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5303 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5304 nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight))
5305 goto fail;
5306
5307 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5308fail:
5309 nlmsg_free(msg);
5310 return -ENOBUFS;
5311}
5312
5313
1581b38b
JM		 5314static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
5315 struct wpa_driver_associate_params *params)
5316{
708bc8e0 5317 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 5318
5319 if (params->p2p) {
046b26a2
JM		 5320 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
5321 "group (GO)");
b1f625e0
EP		 5322 nlmode = NL80211_IFTYPE_P2P_GO;
5323 } else
5324 nlmode = NL80211_IFTYPE_AP;
5325
708bc8e0 5326 old_mode = drv->nlmode;
834ee56f 5327 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 5328 nl80211_remove_monitor_interface(drv);
5329 return -1;
5330 }
5331
6e9023ea
JM		 5332 if (params->freq.freq &&
5333 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 5334 if (old_mode != nlmode)
834ee56f 5335 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 5336 nl80211_remove_monitor_interface(drv);
1581b38b 5337 return -1;
0915d02c 5338 }
1581b38b 5339
1581b38b
JM		 5340 return 0;
5341}
1581b38b
JM		 5342
5343
666e508c
JM		 5344static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
5345 int reset_mode)
5cc4d64b
JM		 5346{
5347 struct nl_msg *msg;
9725b784 5348 int ret;
a862e4a3 5349
9725b784 5350 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 5351 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM		 5352 if (ret) {
5353 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
5354 "(%s)", ret, strerror(-ret));
9725b784
JM		 5355 } else {
5356 wpa_printf(MSG_DEBUG,
5357 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM		 5358 }
5359
666e508c
JM		 5360 if (reset_mode &&
5361 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 5362 NL80211_IFTYPE_STATION)) {
5363 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5364 "station mode");
5365 }
5366
5cc4d64b
JM		 5367 return ret;
5368}
5369
5370
95ff3069
JD		 5371static int nl80211_ht_vht_overrides(struct nl_msg *msg,
5372 struct wpa_driver_associate_params *params)
5373{
5374 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
5375 return -1;
5376
5377 if (params->htcaps && params->htcaps_mask) {
5378 int sz = sizeof(struct ieee80211_ht_capabilities);
5379 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
5380 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
5381 params->htcaps_mask, sz);
5382 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
5383 params->htcaps) ||
5384 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
5385 params->htcaps_mask))
5386 return -1;
5387 }
5388
5389#ifdef CONFIG_VHT_OVERRIDES
5390 if (params->disable_vht) {
5391 wpa_printf(MSG_DEBUG, " * VHT disabled");
5392 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
5393 return -1;
5394 }
5395
5396 if (params->vhtcaps && params->vhtcaps_mask) {
5397 int sz = sizeof(struct ieee80211_vht_capabilities);
5398 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
5399 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
5400 params->vhtcaps_mask, sz);
5401 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
5402 params->vhtcaps) ||
5403 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
5404 params->vhtcaps_mask))
5405 return -1;
5406 }
5407#endif /* CONFIG_VHT_OVERRIDES */
5408
5409 return 0;
5410}
5411
5412
5cc4d64b
JM		 5413static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
5414 struct wpa_driver_associate_params *params)
5415{
5416 struct nl_msg *msg;
5417 int ret = -1;
5418 int count = 0;
5419
5420 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
5421
4ec68377 5422 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 5423 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5424 "IBSS mode");
5425 return -1;
5426 }
5427
5428retry:
9725b784 5429 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM		 5430 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
5431 goto fail;
5cc4d64b 5432
21cd8f83
JM		 5433 wpa_printf(MSG_DEBUG, " * SSID=%s",
5434 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 5435 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5436 goto fail;
5cc4d64b
JM		 5437 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5438 drv->ssid_len = params->ssid_len;
5439
85e1fad8
JM		 5440 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
5441 nl80211_put_beacon_int(msg, params->beacon_int))
a862e4a3 5442 goto fail;
5cc4d64b
JM		 5443
5444 ret = nl80211_set_conn_keys(params, msg);
5445 if (ret)
a862e4a3 5446 goto fail;
5cc4d64b 5447
913e3cf7
NC		 5448 if (params->bssid && params->fixed_bssid) {
5449 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
5450 MAC2STR(params->bssid));
a862e4a3
JM		 5451 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5452 goto fail;
913e3cf7
NC		 5453 }
5454
4d9e6fba
JD		 5455 if (params->fixed_freq) {
5456 wpa_printf(MSG_DEBUG, " * fixed_freq");
5457 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
5458 goto fail;
5459 }
5460
4848a38d
JM		 5461 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5462 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5463 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5464 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 5465 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM		 5466 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5467 goto fail;
e640888c
AQ		 5468 }
5469
a95795ad
JM		 5470 if (params->wpa_ie) {
5471 wpa_hexdump(MSG_DEBUG,
5472 " * Extra IEs for Beacon/Probe Response frames",
5473 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5474 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
5475 params->wpa_ie))
5476 goto fail;
a95795ad
JM		 5477 }
5478
e15dcf6d
PK		 5479 ret = nl80211_ht_vht_overrides(msg, params);
5480 if (ret < 0)
5481 goto fail;
95ff3069 5482
5cc4d64b
JM		 5483 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5484 msg = NULL;
5485 if (ret) {
5486 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
5487 ret, strerror(-ret));
5488 count++;
5489 if (ret == -EALREADY && count == 1) {
5490 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
5491 "forced leave");
666e508c 5492 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM		 5493 nlmsg_free(msg);
5494 goto retry;
5495 }
a862e4a3
JM		 5496 } else {
5497 wpa_printf(MSG_DEBUG,
5498 "nl80211: Join IBSS request sent successfully");
5cc4d64b 5499 }
5cc4d64b 5500
a862e4a3 5501fail:
5cc4d64b
JM		 5502 nlmsg_free(msg);
5503 return ret;
5504}
5505
5506
ad295f3b
VK		 5507static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
5508 struct wpa_driver_associate_params *params,
5509 struct nl_msg *msg)
5510{
5511 if (params->fils_erp_username_len) {
5512 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username",
5513 params->fils_erp_username,
5514 params->fils_erp_username_len);
5515 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
5516 params->fils_erp_username_len,
5517 params->fils_erp_username))
5518 return -1;
5519 }
5520
5521 if (params->fils_erp_realm_len) {
5522 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm",
5523 params->fils_erp_realm,
5524 params->fils_erp_realm_len);
5525 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
5526 params->fils_erp_realm_len, params->fils_erp_realm))
5527 return -1;
5528 }
5529
5530 wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u",
5531 params->fils_erp_next_seq_num);
5532 if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
5533 params->fils_erp_next_seq_num))
5534 return -1;
5535
5536 if (params->fils_erp_rrk_len) {
5537 wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)",
5538 (unsigned long) params->fils_erp_rrk_len);
5539 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
5540 params->fils_erp_rrk_len, params->fils_erp_rrk))
5541 return -1;
5542 }
5543
5544 return 0;
5545}
5546
5547
a0bdd191
JM		 5548static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
5549 struct wpa_driver_associate_params *params,
5550 struct nl_msg *msg)
cfaab580 5551{
c85dfc6f
JM		 5552 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5553 return -1;
5554
cfaab580
ZY		 5555 if (params->bssid) {
5556 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5557 MAC2STR(params->bssid));
a862e4a3
JM		 5558 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5559 return -1;
cfaab580 5560 }
a0bdd191 5561
7ac7fd43
DS		 5562 if (params->bssid_hint) {
5563 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
5564 MAC2STR(params->bssid_hint));
a862e4a3
JM		 5565 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
5566 params->bssid_hint))
5567 return -1;
7ac7fd43
DS		 5568 }
5569
4ec68377
JD		 5570 if (params->freq.freq) {
5571 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM		 5572 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
5573 params->freq.freq))
5574 return -1;
4ec68377 5575 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 5576 } else
5577 drv->assoc_freq = 0;
a0bdd191 5578
7ac7fd43
DS		 5579 if (params->freq_hint) {
5580 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM		 5581 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
5582 params->freq_hint))
5583 return -1;
7ac7fd43
DS		 5584 }
5585
dda5d9e3
AAL		 5586 if (params->freq.edmg.channels && params->freq.edmg.bw_config) {
5587 wpa_printf(MSG_DEBUG,
5588 " * EDMG configuration: channels=0x%x bw_config=%d",
5589 params->freq.edmg.channels,
5590 params->freq.edmg.bw_config);
5591 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
5592 params->freq.edmg.channels) ||
5593 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
5594 params->freq.edmg.bw_config))
5595 return -1;
5596 }
5597
1f6c0ab8
BS		 5598 if (params->bg_scan_period >= 0) {
5599 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
5600 params->bg_scan_period);
a862e4a3
JM		 5601 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
5602 params->bg_scan_period))
5603 return -1;
1f6c0ab8 5604 }
a0bdd191 5605
cfaab580 5606 if (params->ssid) {
21cd8f83
JM		 5607 wpa_printf(MSG_DEBUG, " * SSID=%s",
5608 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM		 5609 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
5610 params->ssid))
5611 return -1;
cfaab580 5612 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 5613 return -1;
cfaab580
ZY		 5614 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5615 drv->ssid_len = params->ssid_len;
5616 }
a0bdd191 5617
cfaab580 5618 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5619 if (params->wpa_ie &&
5620 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
5621 return -1;
cfaab580 5622
64fa840a
JM		 5623 if (params->wpa_proto) {
5624 enum nl80211_wpa_versions ver = 0;
cfaab580 5625
64fa840a
JM		 5626 if (params->wpa_proto & WPA_PROTO_WPA)
5627 ver |= NL80211_WPA_VERSION_1;
5628 if (params->wpa_proto & WPA_PROTO_RSN)
5629 ver |= NL80211_WPA_VERSION_2;
cfaab580 5630
64fa840a 5631 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM		 5632 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5633 return -1;
cfaab580
ZY		 5634 }
5635
4848a38d 5636 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5637 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
5638 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM		 5639 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5640 cipher))
5641 return -1;
cfaab580
ZY		 5642 }
5643
ae6f9272
JM		 5644 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
5645 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
5646 /*
5647 * This is likely to work even though many drivers do not
5648 * advertise support for operations without GTK.
5649 */
5650 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
5651 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5652 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
5653 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM		 5654 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
5655 return -1;
cfaab580
ZY		 5656 }
5657
4848a38d
JM		 5658 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5659 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5660 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
5661 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 5662 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 5663 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
5664 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8 5665 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
005585d6
AB		 5666 params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5667 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE ||
5e3b5197 5668 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
ad295f3b 5669 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
005585d6 5670 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
ad295f3b
VK		 5671 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
5672 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
5673 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
e005725a
SD		 5674 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 ||
5675 params->key_mgmt_suite == WPA_KEY_MGMT_OWE ||
5676 params->key_mgmt_suite == WPA_KEY_MGMT_DPP) {
3aa24db9 5677 int mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5678
5679 switch (params->key_mgmt_suite) {
4848a38d 5680 case WPA_KEY_MGMT_CCKM:
3aa24db9 5681 mgmt = RSN_AUTH_KEY_MGMT_CCKM;
369c8d7b 5682 break;
4848a38d 5683 case WPA_KEY_MGMT_IEEE8021X:
3aa24db9 5684 mgmt = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
cfaab580 5685 break;
4848a38d 5686 case WPA_KEY_MGMT_FT_IEEE8021X:
3aa24db9 5687 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X;
6a1ce395 5688 break;
4848a38d 5689 case WPA_KEY_MGMT_FT_PSK:
3aa24db9 5690 mgmt = RSN_AUTH_KEY_MGMT_FT_PSK;
6a1ce395 5691 break;
8802326f 5692 case WPA_KEY_MGMT_IEEE8021X_SHA256:
3aa24db9 5693 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
8802326f
JJ		 5694 break;
5695 case WPA_KEY_MGMT_PSK_SHA256:
3aa24db9 5696 mgmt = RSN_AUTH_KEY_MGMT_PSK_SHA256;
8802326f 5697 break;
163f801e 5698 case WPA_KEY_MGMT_OSEN:
3aa24db9 5699 mgmt = RSN_AUTH_KEY_MGMT_OSEN;
163f801e 5700 break;
005585d6
AB		 5701 case WPA_KEY_MGMT_SAE:
5702 mgmt = RSN_AUTH_KEY_MGMT_SAE;
5703 break;
5704 case WPA_KEY_MGMT_FT_SAE:
5705 mgmt = RSN_AUTH_KEY_MGMT_FT_SAE;
5706 break;
666497c8 5707 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
3aa24db9 5708 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
666497c8 5709 break;
5e3b5197 5710 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
3aa24db9 5711 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
5e3b5197 5712 break;
005585d6
AB		 5713 case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
5714 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
5715 break;
ad295f3b
VK		 5716 case WPA_KEY_MGMT_FILS_SHA256:
5717 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA256;
5718 break;
5719 case WPA_KEY_MGMT_FILS_SHA384:
5720 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA384;
5721 break;
5722 case WPA_KEY_MGMT_FT_FILS_SHA256:
5723 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
5724 break;
5725 case WPA_KEY_MGMT_FT_FILS_SHA384:
5726 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
5727 break;
e005725a
SD		 5728 case WPA_KEY_MGMT_OWE:
5729 mgmt = RSN_AUTH_KEY_MGMT_OWE;
5730 break;
5731 case WPA_KEY_MGMT_DPP:
5732 mgmt = RSN_AUTH_KEY_MGMT_DPP;
5733 break;
4848a38d 5734 case WPA_KEY_MGMT_PSK:
cfaab580 5735 default:
3aa24db9 5736 mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY		 5737 break;
5738 }
163f801e 5739 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM		 5740 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
5741 return -1;
cfaab580
ZY		 5742 }
5743
cb28bd52 5744 if (params->req_handshake_offload &&
d896874f
AS		 5745 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) {
5746 wpa_printf(MSG_DEBUG, " * WANT_1X_4WAY_HS");
5747 if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS))
5748 return -1;
5749 }
5750
730c5a1d
EP		 5751 /* Add PSK in case of 4-way handshake offload */
5752 if (params->psk &&
436ee2fd 5753 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) {
730c5a1d
EP		 5754 wpa_hexdump_key(MSG_DEBUG, " * PSK", params->psk, 32);
5755 if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk))
5756 return -1;
5757 }
5758
a862e4a3
JM		 5759 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5760 return -1;
a0bdd191 5761
e3429c0b
JB		 5762 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5763 (params->pairwise_suite == WPA_CIPHER_NONE ||
5764 params->pairwise_suite == WPA_CIPHER_WEP104 ||
5765 params->pairwise_suite == WPA_CIPHER_WEP40) &&
5766 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
5767 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
5768 return -1;
5769
58162adf
AK		 5770 if (params->rrm_used) {
5771 u32 drv_rrm_flags = drv->capa.rrm_flags;
b5d172e5
BL		 5772 if ((!((drv_rrm_flags &
5773 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
5774 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
5775 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
a862e4a3
JM		 5776 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
5777 return -1;
58162adf
AK		 5778 }
5779
95ff3069 5780 if (nl80211_ht_vht_overrides(msg, params) < 0)
a862e4a3 5781 return -1;
80e8a5ee 5782
a0bdd191
JM		 5783 if (params->p2p)
5784 wpa_printf(MSG_DEBUG, " * P2P group");
5785
86b5c400
LD		 5786 if (params->pbss) {
5787 wpa_printf(MSG_DEBUG, " * PBSS");
5788 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5789 return -1;
5790 }
5791
1126c078 5792 drv->connect_reassoc = 0;
00c3c4ac
JM		 5793 if (params->prev_bssid) {
5794 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
5795 MAC2STR(params->prev_bssid));
5796 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
5797 params->prev_bssid))
5798 return -1;
1126c078 5799 drv->connect_reassoc = 1;
00c3c4ac
JM		 5800 }
5801
ad295f3b
VK		 5802 if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
5803 nl80211_put_fils_connect_params(drv, params, msg) != 0)
5804 return -1;
5805
1317ea2c
SD		 5806 if ((params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5807 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) &&
ba71cb82
SD		 5808 (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) &&
5809 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
5810 return -1;
5811
a0bdd191 5812 return 0;
a0bdd191
JM		 5813}
5814
5815
5816static int wpa_driver_nl80211_try_connect(
5817 struct wpa_driver_nl80211_data *drv,
40a68f33 5818 struct wpa_driver_associate_params *params,
25ebd538 5819 struct nl_sock *nl_connect)
a0bdd191
JM		 5820{
5821 struct nl_msg *msg;
5822 enum nl80211_auth_type type;
5823 int ret;
5824 int algs;
5825
b658547d 5826#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 5827 if (params->req_key_mgmt_offload && params->psk &&
5828 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5829 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5830 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5831 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5832 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5833 if (ret)
5834 return ret;
5835 }
b658547d 5836#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 5837
9725b784
JM		 5838 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5839 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM		 5840 if (!msg)
5841 return -1;
5842
a0bdd191
JM		 5843 ret = nl80211_connect_common(drv, params, msg);
5844 if (ret)
a862e4a3 5845 goto fail;
a0bdd191 5846
299d21e8
EG		 5847 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5848 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5849 goto fail;
5850
5851 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL &&
5852 (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) &&
5853 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL))
5854 goto fail;
5855
a0bdd191
JM		 5856 algs = 0;
5857 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5858 algs++;
5859 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5860 algs++;
5861 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5862 algs++;
64a0a75b
JM		 5863 if (params->auth_alg & WPA_AUTH_ALG_FILS)
5864 algs++;
86c998d3
AM		 5865 if (params->auth_alg & WPA_AUTH_ALG_FT)
5866 algs++;
a0bdd191
JM		 5867 if (algs > 1) {
5868 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5869 "selection");
5870 goto skip_auth_type;
5871 }
5872
3c67e977 5873 type = get_nl_auth_type(params->auth_alg);
a0bdd191 5874 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK		 5875 if (type == NL80211_AUTHTYPE_MAX ||
5876 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 5877 goto fail;
a0bdd191
JM		 5878
5879skip_auth_type:
cfaab580
ZY		 5880 ret = nl80211_set_conn_keys(params, msg);
5881 if (ret)
a862e4a3 5882 goto fail;
cfaab580 5883
40a68f33 5884 if (nl_connect)
0fa33e05
JM		 5885 ret = send_and_recv(drv->global, nl_connect, msg,
5886 NULL, (void *) -1);
40a68f33 5887 else
0fa33e05 5888 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
40a68f33 5889
cfaab580
ZY		 5890 msg = NULL;
5891 if (ret) {
5892 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5893 "(%s)", ret, strerror(-ret));
a862e4a3
JM		 5894 } else {
5895 wpa_printf(MSG_DEBUG,
5896 "nl80211: Connect request send successfully");
cfaab580 5897 }
cfaab580 5898
a862e4a3 5899fail:
0fa33e05 5900 nl80211_nlmsg_clear(msg);
cfaab580
ZY		 5901 nlmsg_free(msg);
5902 return ret;
5903
5904}
5905
5906
a8c5b43a
CW		 5907static int wpa_driver_nl80211_connect(
5908 struct wpa_driver_nl80211_data *drv,
40a68f33 5909 struct wpa_driver_associate_params *params,
25ebd538 5910 struct nl_sock *nl_connect)
a8c5b43a 5911{
0d4e3d1d
JJ		 5912 int ret;
5913
5914 /* Store the connection attempted bssid for future use */
5915 if (params->bssid)
5916 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5917 else
5918 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5919
40a68f33 5920 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW		 5921 if (ret == -EALREADY) {
5922 /*
5923 * cfg80211 does not currently accept new connections if
5924 * we are already connected. As a workaround, force
5925 * disconnection and try again.
5926 */
5927 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5928 "disconnecting before reassociation "
5929 "attempt");
5930 if (wpa_driver_nl80211_disconnect(
10d32e2c 5931 drv, WLAN_REASON_PREV_AUTH_NOT_VALID, nl_connect))
a8c5b43a 5932 return -1;
40a68f33 5933 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW		 5934 }
5935 return ret;
5936}
5937
5938
c2a04078
JM		 5939static int wpa_driver_nl80211_associate(
5940 void *priv, struct wpa_driver_associate_params *params)
5941{
a2e40bb6
FF		 5942 struct i802_bss *bss = priv;
5943 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 5944 int ret = -1;
c2a04078
JM		 5945 struct nl_msg *msg;
5946
4bd71954
JM		 5947 nl80211_unmask_11b_rates(bss);
5948
5cc4d64b 5949 if (params->mode == IEEE80211_MODE_AP)
1581b38b 5950 return wpa_driver_nl80211_ap(drv, params);
1581b38b 5951
5cc4d64b
JM		 5952 if (params->mode == IEEE80211_MODE_IBSS)
5953 return wpa_driver_nl80211_ibss(drv, params);
5954
4a867032 5955 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 5956 enum nl80211_iftype nlmode = params->p2p ?
5957 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
25ebd538 5958 struct nl_sock *nl_connect = NULL;
b1f625e0
EP		 5959
5960 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 5961 return -1;
1317ea2c
SD		 5962 if (params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5963 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) {
40a68f33 5964 nl_connect = bss->nl_connect;
10d32e2c
CI		 5965 bss->use_nl_connect = 1;
5966 } else {
5967 bss->use_nl_connect = 0;
5968 }
5969
40a68f33 5970 return wpa_driver_nl80211_connect(drv, params, nl_connect);
4a867032 5971 }
cfaab580 5972
add9b7a4 5973 nl80211_mark_disconnected(drv);
c2a04078 5974
c2a04078
JM		 5975 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
5976 drv->ifindex);
9725b784
JM		 5977 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
5978 if (!msg)
5979 return -1;
c2a04078 5980
a0bdd191
JM		 5981 ret = nl80211_connect_common(drv, params, msg);
5982 if (ret)
a862e4a3 5983 goto fail;
01652550 5984
299d21e8
EG		 5985 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5986 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5987 goto fail;
5988
40a45727
JM		 5989 if (params->fils_kek) {
5990 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
5991 (unsigned int) params->fils_kek_len);
5992 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
5993 params->fils_kek))
5994 goto fail;
5995 }
5996 if (params->fils_nonces) {
5997 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
5998 params->fils_nonces,
5999 params->fils_nonces_len);
6000 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
6001 params->fils_nonces_len, params->fils_nonces))
6002 goto fail;
6003 }
6004
c2a04078
JM		 6005 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6006 msg = NULL;
6007 if (ret) {
3b7ea880
BG		 6008 wpa_dbg(drv->ctx, MSG_DEBUG,
6009 "nl80211: MLME command failed (assoc): ret=%d (%s)",
6010 ret, strerror(-ret));
8856462d 6011 nl80211_dump_scan(drv);
a862e4a3
JM		 6012 } else {
6013 wpa_printf(MSG_DEBUG,
6014 "nl80211: Association request send successfully");
c2a04078 6015 }
c2a04078 6016
a862e4a3 6017fail:
c2a04078
JM		 6018 nlmsg_free(msg);
6019 return ret;
6020}
3f5285e8
JM		 6021
6022
ad1e68e6 6023static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 6024 int ifindex, enum nl80211_iftype mode)
3f5285e8 6025{
3f5285e8 6026 struct nl_msg *msg;
ad1e68e6
JM		 6027 int ret = -ENOBUFS;
6028
a1922f93
JM		 6029 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
6030 ifindex, mode, nl80211_iftype_str(mode));
6031
56f77852
JM		 6032 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
6033 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 6034 goto fail;
ad1e68e6
JM		 6035
6036 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6037 msg = NULL;
ad1e68e6
JM		 6038 if (!ret)
6039 return 0;
a862e4a3 6040fail:
5883168a 6041 nlmsg_free(msg);
ad1e68e6
JM		 6042 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
6043 " %d (%s)", ifindex, mode, ret, strerror(-ret));
6044 return ret;
6045}
6046
6047
3c5d34e3
CW		 6048static int wpa_driver_nl80211_set_mode_impl(
6049 struct i802_bss *bss,
6050 enum nl80211_iftype nlmode,
6051 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 6052{
a2e40bb6 6053 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 6054 int ret = -1;
26af9dca 6055 int i;
86957e62 6056 int was_ap = is_ap_interface(drv->nlmode);
671a5039 6057 int res;
ebffdbc4 6058 int mode_switch_res;
1581b38b 6059
a5a187b0
JM		 6060 if (TEST_FAIL())
6061 return -1;
6062
ebffdbc4
CW		 6063 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6064 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
6065 mode_switch_res = 0;
8e12685c 6066
ebffdbc4 6067 if (mode_switch_res == 0) {
ad1e68e6 6068 drv->nlmode = nlmode;
460456f8
JM		 6069 ret = 0;
6070 goto done;
ad1e68e6 6071 }
3f5285e8 6072
ebffdbc4 6073 if (mode_switch_res == -ENODEV)
671a5039
JM		 6074 return -1;
6075
460456f8 6076 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 6077 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
6078 "requested mode - ignore error");
460456f8
JM		 6079 ret = 0;
6080 goto done; /* Already in the requested mode */
6081 }
3f5285e8 6082
3f5285e8
JM		 6083 /* mac80211 doesn't allow mode changes while the device is up, so
6084 * take the device down, try to set the mode again, and bring the
6085 * device back up.
6086 */
26af9dca
JM		 6087 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
6088 "interface down");
6089 for (i = 0; i < 10; i++) {
91724d6f 6090 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 6091 if (res == -EACCES || res == -ENODEV)
6092 break;
ebffdbc4 6093 if (res != 0) {
26af9dca
JM		 6094 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
6095 "interface down");
ebffdbc4
CW		 6096 os_sleep(0, 100000);
6097 continue;
6098 }
3c5d34e3
CW		 6099
6100 /*
6101 * Setting the mode will fail for some drivers if the phy is
6102 * on a frequency that the mode is disallowed in.
6103 */
6104 if (desired_freq_params) {
bdf5ccb2 6105 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW		 6106 if (res) {
6107 wpa_printf(MSG_DEBUG,
6108 "nl80211: Failed to set frequency on interface");
6109 }
6110 }
6111
ebffdbc4
CW		 6112 /* Try to set the mode again while the interface is down */
6113 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6114 if (mode_switch_res == -EBUSY) {
6115 wpa_printf(MSG_DEBUG,
6116 "nl80211: Delaying mode set while interface going down");
6117 os_sleep(0, 100000);
6118 continue;
6119 }
6120 ret = mode_switch_res;
6121 break;
3f5285e8
JM		 6122 }
6123
c6e8e8e4
JM		 6124 if (!ret) {
6125 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
6126 "interface is down");
ad1e68e6 6127 drv->nlmode = nlmode;
7d9c3698 6128 drv->ignore_if_down_event = 1;
c6e8e8e4 6129 }
ad1e68e6 6130
ebffdbc4
CW		 6131 /* Bring the interface back up */
6132 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
6133 if (res != 0) {
6134 wpa_printf(MSG_DEBUG,
6135 "nl80211: Failed to set interface up after switching mode");
6136 ret = -1;
6137 }
6138
460456f8 6139done:
3fd1cefb
JB		 6140 if (ret) {
6141 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
6142 "from %d failed", nlmode, drv->nlmode);
6143 return ret;
6144 }
6145
3e208481
JM		 6146 if (is_p2p_net_interface(nlmode)) {
6147 wpa_printf(MSG_DEBUG,
6148 "nl80211: Interface %s mode change to P2P - disable 11b rates",
6149 bss->ifname);
edb9bfba 6150 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM		 6151 } else if (drv->disabled_11b_rates) {
6152 wpa_printf(MSG_DEBUG,
6153 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
6154 bss->ifname);
1d0c6fb1 6155 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 6156 }
edb9bfba 6157
3fd1cefb 6158 if (is_ap_interface(nlmode)) {
36488c05 6159 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 6160 /* Setup additional AP mode functionality if needed */
3fd1cefb 6161 if (nl80211_setup_ap(bss))
460456f8 6162 return -1;
3fd1cefb 6163 } else if (was_ap) {
460456f8 6164 /* Remove additional AP mode functionality */
3fd1cefb 6165 nl80211_teardown_ap(bss);
a11241fa 6166 } else {
36488c05 6167 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 6168 }
460456f8 6169
afb0550a
BC		 6170 if (is_mesh_interface(nlmode) &&
6171 nl80211_mgmt_subscribe_mesh(bss))
6172 return -1;
6173
873d0fcf 6174 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 6175 !is_mesh_interface(nlmode) &&
a11241fa
JB		 6176 nl80211_mgmt_subscribe_non_ap(bss) < 0)
6177 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
6178 "frame processing - ignore for now");
08359050 6179
3fd1cefb 6180 return 0;
3f5285e8
JM		 6181}
6182
6183
f3407c66
JM		 6184int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
6185 enum nl80211_iftype nlmode)
3c5d34e3
CW		 6186{
6187 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
6188}
6189
6190
4ec68377
JD		 6191static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
6192 struct hostapd_freq_params *freq)
3c5d34e3 6193{
3c5d34e3 6194 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 6195 freq);
3c5d34e3 6196}
65d645ce
AS		 6197
6198
3f5285e8
JM		 6199static int wpa_driver_nl80211_get_capa(void *priv,
6200 struct wpa_driver_capa *capa)
6201{
a2e40bb6
FF		 6202 struct i802_bss *bss = priv;
6203 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 6204
3f5285e8
JM		 6205 if (!drv->has_capability)
6206 return -1;
6207 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 6208 if (drv->extended_capa && drv->extended_capa_mask) {
6209 capa->extended_capa = drv->extended_capa;
6210 capa->extended_capa_mask = drv->extended_capa_mask;
6211 capa->extended_capa_len = drv->extended_capa_len;
6212 }
851b0c55 6213
906bc4c7 6214 return 0;
3f5285e8
JM		 6215}
6216
6217
6218static int wpa_driver_nl80211_set_operstate(void *priv, int state)
6219{
a2e40bb6
FF		 6220 struct i802_bss *bss = priv;
6221 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 6222
90a545cc
JM		 6223 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
6224 bss->ifname, drv->operstate, state,
6225 state ? "UP" : "DORMANT");
3f5285e8 6226 drv->operstate = state;
36d84860 6227 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 6228 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 6229}
6230
01652550
JM		 6231
6232static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
6233{
a2e40bb6
FF		 6234 struct i802_bss *bss = priv;
6235 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 6236 struct nl_msg *msg;
6237 struct nl80211_sta_flag_update upd;
a862e4a3 6238 int ret;
2eef5177
JM		 6239
6240 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
6241 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
6242 return 0;
6243 }
01652550 6244
1ba51ec0
JM		 6245 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
6246 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
6247
01652550
JM		 6248 os_memset(&upd, 0, sizeof(upd));
6249 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
6250 if (authorized)
6251 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 6252
13f83980 6253 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 6254 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
6255 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
6256 nlmsg_free(msg);
6257 return -ENOBUFS;
6258 }
01652550 6259
2eef5177 6260 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM		 6261 if (!ret)
6262 return 0;
2eef5177
JM		 6263 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
6264 ret, strerror(-ret));
6265 return ret;
01652550
JM		 6266}
6267
3f5285e8 6268
f07ead6a
JM		 6269/* Set kernel driver on given frequency (MHz) */
6270static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 6271{
f07ead6a 6272 struct i802_bss *bss = priv;
13a524a3 6273 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 6274}
6275
f7b3920c 6276
c5121837
JM		 6277static inline int min_int(int a, int b)
6278{
6279 if (a < b)
6280 return a;
6281 return b;
6282}
6283
6284
6285static int get_key_handler(struct nl_msg *msg, void *arg)
6286{
6287 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6288 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6289
6290 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6291 genlmsg_attrlen(gnlh, 0), NULL);
6292
6293 /*
6294 * TODO: validate the key index and mac address!
6295 * Otherwise, there's a race condition as soon as
6296 * the kernel starts sending key notifications.
6297 */
6298
6299 if (tb[NL80211_ATTR_KEY_SEQ])
6300 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
6301 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
4efade31 6302 nl80211_nlmsg_clear(msg);
c5121837
JM		 6303 return NL_SKIP;
6304}
6305
6306
6307static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
6308 int idx, u8 *seq)
6309{
a2e40bb6
FF		 6310 struct i802_bss *bss = priv;
6311 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6312 struct nl_msg *msg;
6313
95376e1a
JM		 6314 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
6315 NL80211_CMD_GET_KEY);
6316 if (!msg ||
a862e4a3 6317 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 6318 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM		 6319 nlmsg_free(msg);
6320 return -ENOBUFS;
6321 }
c5121837
JM		 6322
6323 memset(seq, 0, 6);
6324
6325 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM		 6326}
6327
6328
c5121837
JM		 6329static int i802_set_rts(void *priv, int rts)
6330{
a2e40bb6
FF		 6331 struct i802_bss *bss = priv;
6332 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6333 struct nl_msg *msg;
a862e4a3 6334 int ret;
ad649451 6335 u32 val;
c5121837 6336
bf0021ed 6337 if (rts >= 2347 || rts == -1)
ad649451
JM		 6338 val = (u32) -1;
6339 else
6340 val = rts;
c5121837 6341
9725b784 6342 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 6343 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
6344 nlmsg_free(msg);
6345 return -ENOBUFS;
6346 }
ad649451
JM		 6347
6348 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6349 if (!ret)
6350 return 0;
ad649451
JM		 6351 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
6352 "%d (%s)", rts, ret, strerror(-ret));
6353 return ret;
c5121837
JM		 6354}
6355
6356
6357static int i802_set_frag(void *priv, int frag)
6358{
a2e40bb6
FF		 6359 struct i802_bss *bss = priv;
6360 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6361 struct nl_msg *msg;
a862e4a3 6362 int ret;
ad649451 6363 u32 val;
c5121837 6364
bf0021ed 6365 if (frag >= 2346 || frag == -1)
ad649451
JM		 6366 val = (u32) -1;
6367 else
6368 val = frag;
c5121837 6369
9725b784 6370 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 6371 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
6372 nlmsg_free(msg);
6373 return -ENOBUFS;
6374 }
ad649451
JM		 6375
6376 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6377 if (!ret)
6378 return 0;
ad649451
JM		 6379 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
6380 "%d: %d (%s)", frag, ret, strerror(-ret));
6381 return ret;
c5121837
JM		 6382}
6383
6384
c5121837
JM		 6385static int i802_flush(void *priv)
6386{
a2e40bb6 6387 struct i802_bss *bss = priv;
c5121837 6388 struct nl_msg *msg;
82554b10 6389 int res;
c5121837 6390
83e7bb0e
JM		 6391 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
6392 bss->ifname);
c5121837
JM		 6393
6394 /*
6395 * XXX: FIX! this needs to flush all VLANs too
6396 */
13f83980
JM		 6397 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
6398 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM		 6399 if (res) {
6400 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
6401 "(%s)", res, strerror(-res));
6402 }
6403 return res;
c5121837
JM		 6404}
6405
6406
1d6f6385
THJ		 6407static void get_sta_tid_stats(struct hostap_sta_driver_data *data,
6408 struct nlattr *attr)
6409{
6410 struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr;
6411 struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1];
6412 static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = {
6413 [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 },
6414 [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 },
6415 };
6416 int rem;
6417
6418 nla_for_each_nested(tidattr, attr, rem) {
6419 if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX,
6420 tidattr, NULL) != 0 ||
6421 !tid_stats[NL80211_TID_STATS_TXQ_STATS] ||
6422 nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX,
6423 tid_stats[NL80211_TID_STATS_TXQ_STATS],
6424 txq_stats_policy) != 0)
6425 continue;
6426 /* sum the backlogs over all TIDs for station */
6427 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES])
6428 data->backlog_bytes += nla_get_u32(
6429 txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]);
6430 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS])
6431 data->backlog_bytes += nla_get_u32(
6432 txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]);
6433 }
6434}
6435
6436
c5121837
JM		 6437static int get_sta_handler(struct nl_msg *msg, void *arg)
6438{
6439 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6440 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6441 struct hostap_sta_driver_data *data = arg;
6442 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
6443 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
6444 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
6445 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
6446 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
6447 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
6448 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 6449 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
43022abd
NL		 6450 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
6451 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
3567641e 6452 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
72123a84 6453 [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 },
58d4c236
THJ		 6454 [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
6455 [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 },
3567641e 6456 };
6457 struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
6458 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
6459 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
6460 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
6461 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
6462 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
6463 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
6464 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
c5121837
JM		 6465 };
6466
6467 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6468 genlmsg_attrlen(gnlh, 0), NULL);
6469
6470 /*
6471 * TODO: validate the interface and mac address!
6472 * Otherwise, there's a race condition as soon as
6473 * the kernel starts sending station notifications.
6474 */
6475
6476 if (!tb[NL80211_ATTR_STA_INFO]) {
6477 wpa_printf(MSG_DEBUG, "sta stats missing!");
6478 return NL_SKIP;
6479 }
6480 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
6481 tb[NL80211_ATTR_STA_INFO],
6482 stats_policy)) {
6483 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
6484 return NL_SKIP;
6485 }
6486
6487 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
6488 data->inactive_msec =
6489 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
43022abd 6490 /* For backwards compatibility, fetch the 32-bit counters first. */
c5121837
JM		 6491 if (stats[NL80211_STA_INFO_RX_BYTES])
6492 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
6493 if (stats[NL80211_STA_INFO_TX_BYTES])
6494 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
43022abd
NL		 6495 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
6496 stats[NL80211_STA_INFO_TX_BYTES64]) {
6497 /*
6498 * The driver supports 64-bit counters, so use them to override
6499 * the 32-bit values.
6500 */
6501 data->rx_bytes =
6502 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
6503 data->tx_bytes =
6504 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
6505 data->bytes_64bit = 1;
6506 }
c5121837
JM		 6507 if (stats[NL80211_STA_INFO_RX_PACKETS])
6508 data->rx_packets =
6509 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
6510 if (stats[NL80211_STA_INFO_TX_PACKETS])
6511 data->tx_packets =
6512 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
58d4c236
THJ		 6513 if (stats[NL80211_STA_INFO_RX_DURATION])
6514 data->rx_airtime =
6515 nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]);
6516 if (stats[NL80211_STA_INFO_TX_DURATION])
6517 data->tx_airtime =
6518 nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]);
dc7785f8
YZ		 6519 if (stats[NL80211_STA_INFO_TX_FAILED])
6520 data->tx_retry_failed =
6521 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
3567641e 6522 if (stats[NL80211_STA_INFO_SIGNAL])
6523 data->signal = nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
72123a84
BP		 6524 if (stats[NL80211_STA_INFO_ACK_SIGNAL]) {
6525 data->last_ack_rssi =
6526 nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]);
6527 data->flags |= STA_DRV_DATA_LAST_ACK_RSSI;
6528 }
3567641e 6529
6530 if (stats[NL80211_STA_INFO_TX_BITRATE] &&
6531 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6532 stats[NL80211_STA_INFO_TX_BITRATE],
6533 rate_policy) == 0) {
6534 if (rate[NL80211_RATE_INFO_BITRATE32])
6535 data->current_tx_rate =
6536 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6537 else if (rate[NL80211_RATE_INFO_BITRATE])
6538 data->current_tx_rate =
6539 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6540
6541 if (rate[NL80211_RATE_INFO_MCS]) {
6542 data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6543 data->flags |= STA_DRV_DATA_TX_MCS;
6544 }
6545 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6546 data->tx_vhtmcs =
6547 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6548 data->flags |= STA_DRV_DATA_TX_VHT_MCS;
6549 }
6550 if (rate[NL80211_RATE_INFO_SHORT_GI])
6551 data->flags |= STA_DRV_DATA_TX_SHORT_GI;
6552 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6553 data->tx_vht_nss =
6554 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6555 data->flags |= STA_DRV_DATA_TX_VHT_NSS;
6556 }
6557 }
6558
6559 if (stats[NL80211_STA_INFO_RX_BITRATE] &&
6560 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6561 stats[NL80211_STA_INFO_RX_BITRATE],
6562 rate_policy) == 0) {
6563 if (rate[NL80211_RATE_INFO_BITRATE32])
6564 data->current_rx_rate =
6565 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6566 else if (rate[NL80211_RATE_INFO_BITRATE])
6567 data->current_rx_rate =
6568 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6569
6570 if (rate[NL80211_RATE_INFO_MCS]) {
6571 data->rx_mcs =
6572 nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6573 data->flags |= STA_DRV_DATA_RX_MCS;
6574 }
6575 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6576 data->rx_vhtmcs =
6577 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6578 data->flags |= STA_DRV_DATA_RX_VHT_MCS;
6579 }
6580 if (rate[NL80211_RATE_INFO_SHORT_GI])
6581 data->flags |= STA_DRV_DATA_RX_SHORT_GI;
6582 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6583 data->rx_vht_nss =
6584 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6585 data->flags |= STA_DRV_DATA_RX_VHT_NSS;
6586 }
6587 }
c5121837 6588
1d6f6385
THJ		 6589 if (stats[NL80211_STA_INFO_TID_STATS])
6590 get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]);
6591
c5121837
JM		 6592 return NL_SKIP;
6593}
6594
9ebce9c5
JM		 6595static int i802_read_sta_data(struct i802_bss *bss,
6596 struct hostap_sta_driver_data *data,
c5121837
JM		 6597 const u8 *addr)
6598{
c5121837
JM		 6599 struct nl_msg *msg;
6600
13f83980
JM		 6601 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
6602 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM		 6603 nlmsg_free(msg);
6604 return -ENOBUFS;
6605 }
c5121837 6606
13f83980 6607 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM		 6608}
6609
6610
c5121837
JM		 6611static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
6612 int cw_min, int cw_max, int burst_time)
6613{
a2e40bb6
FF		 6614 struct i802_bss *bss = priv;
6615 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6616 struct nl_msg *msg;
6617 struct nlattr *txq, *params;
bd512469 6618 int res;
c5121837 6619
13f83980 6620 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM		 6621 if (!msg)
6622 return -1;
6623
c5121837
JM		 6624 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
6625 if (!txq)
a862e4a3 6626 goto fail;
c5121837
JM		 6627
6628 /* We are only sending parameters for a single TXQ at a time */
6629 params = nla_nest_start(msg, 1);
6630 if (!params)
a862e4a3 6631 goto fail;
c5121837 6632
7e3c1781
JM		 6633 switch (queue) {
6634 case 0:
a862e4a3
JM		 6635 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
6636 goto fail;
7e3c1781
JM		 6637 break;
6638 case 1:
a862e4a3
JM		 6639 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
6640 goto fail;
7e3c1781
JM		 6641 break;
6642 case 2:
a862e4a3
JM		 6643 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
6644 goto fail;
7e3c1781
JM		 6645 break;
6646 case 3:
a862e4a3
JM		 6647 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
6648 goto fail;
7e3c1781
JM		 6649 break;
6650 }
c5121837
JM		 6651 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
6652 * 32 usec, so need to convert the value here. */
a862e4a3
JM		 6653 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
6654 (burst_time * 100 + 16) / 32) ||
6655 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
6656 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
6657 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
6658 goto fail;
c5121837
JM		 6659
6660 nla_nest_end(msg, params);
6661
6662 nla_nest_end(msg, txq);
6663
bd512469
JM		 6664 res = send_and_recv_msgs(drv, msg, NULL, NULL);
6665 wpa_printf(MSG_DEBUG,
6666 "nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
6667 queue, aifs, cw_min, cw_max, burst_time, res);
6668 if (res == 0)
c5121837 6669 return 0;
9e088e74 6670 msg = NULL;
a862e4a3 6671fail:
9e088e74 6672 nlmsg_free(msg);
c5121837
JM		 6673 return -1;
6674}
6675
6676
9ebce9c5 6677static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 6678 const char *ifname, int vlan_id)
6679{
a2e40bb6 6680 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6681 struct nl_msg *msg;
a862e4a3 6682 int ret;
c5121837 6683
bbc706a3
JM		 6684 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
6685 ", ifname=%s[%d], vlan_id=%d)",
6686 bss->ifname, if_nametoindex(bss->ifname),
6687 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 6688 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3 6689 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
0f903f37
GG		 6690 ((drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) &&
6691 nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id)) ||
a862e4a3
JM		 6692 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
6693 nlmsg_free(msg);
6694 return -ENOBUFS;
6695 }
c5121837 6696
cd1d72c1
JM		 6697 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6698 if (ret < 0) {
6699 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
6700 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
6701 MAC2STR(addr), ifname, vlan_id, ret,
6702 strerror(-ret));
6703 }
cd1d72c1 6704 return ret;
c5121837
JM		 6705}
6706
fbbfcbac 6707
c5121837
JM		 6708static int i802_get_inact_sec(void *priv, const u8 *addr)
6709{
6710 struct hostap_sta_driver_data data;
6711 int ret;
6712
7824bf77 6713 os_memset(&data, 0, sizeof(data));
c5121837
JM		 6714 data.inactive_msec = (unsigned long) -1;
6715 ret = i802_read_sta_data(priv, &data, addr);
b9749bac
MH		 6716 if (ret == -ENOENT)
6717 return -ENOENT;
c5121837
JM		 6718 if (ret || data.inactive_msec == (unsigned long) -1)
6719 return -1;
6720 return data.inactive_msec / 1000;
6721}
6722
6723
6724static int i802_sta_clear_stats(void *priv, const u8 *addr)
6725{
6726#if 0
6727 /* TODO */
6728#endif
6729 return 0;
6730}
6731
6732
731723a5 6733static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6734 u16 reason)
c5121837 6735{
a2e40bb6 6736 struct i802_bss *bss = priv;
e1bd4e19 6737 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6738 struct ieee80211_mgmt mgmt;
05e5e615
DL		 6739 u8 channel;
6740
6741 if (ieee80211_freq_to_chan(bss->freq, &channel) ==
6742 HOSTAPD_MODE_IEEE80211AD) {
6743 /* Deauthentication is not used in DMG/IEEE 802.11ad;
6744 * disassociate the STA instead. */
6745 return i802_sta_disassoc(priv, own_addr, addr, reason);
6746 }
c5121837 6747
0d391b03
BC		 6748 if (is_mesh_interface(drv->nlmode))
6749 return -1;
6750
e1bd4e19 6751 if (drv->device_ap_sme)
59d7148a 6752 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 6753
c5121837
JM		 6754 memset(&mgmt, 0, sizeof(mgmt));
6755 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6756 WLAN_FC_STYPE_DEAUTH);
6757 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6758 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6759 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6760 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 6761 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6762 IEEE80211_HDRLEN +
9ebce9c5 6763 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
27cc06d0 6764 0, NULL, 0, 0);
c5121837
JM		 6765}
6766
6767
731723a5 6768static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6769 u16 reason)
c5121837 6770{
a2e40bb6 6771 struct i802_bss *bss = priv;
e1bd4e19 6772 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6773 struct ieee80211_mgmt mgmt;
6774
0d391b03
BC		 6775 if (is_mesh_interface(drv->nlmode))
6776 return -1;
6777
e1bd4e19 6778 if (drv->device_ap_sme)
59d7148a 6779 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 6780
c5121837
JM		 6781 memset(&mgmt, 0, sizeof(mgmt));
6782 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6783 WLAN_FC_STYPE_DISASSOC);
6784 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6785 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6786 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6787 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 6788 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6789 IEEE80211_HDRLEN +
9ebce9c5 6790 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
27cc06d0 6791 0, NULL, 0, 0);
c5121837
JM		 6792}
6793
6794
9b4d9c8b
JM		 6795static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
6796{
6797 char buf[200], *pos, *end;
6798 int i, res;
6799
6800 pos = buf;
6801 end = pos + sizeof(buf);
6802
6803 for (i = 0; i < drv->num_if_indices; i++) {
099224c1 6804 if (!drv->if_indices[i].ifindex)
9b4d9c8b 6805 continue;
732b1d20 6806 res = os_snprintf(pos, end - pos, " %d(%d)",
099224c1
JM		 6807 drv->if_indices[i].ifindex,
6808 drv->if_indices[i].reason);
d85e1fc8 6809 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM		 6810 break;
6811 pos += res;
6812 }
6813 *pos = '\0';
6814
6815 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
6816 drv->num_if_indices, buf);
6817}
6818
6819
732b1d20
MB		 6820static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6821 int ifidx_reason)
f07ead6a
JM		 6822{
6823 int i;
099224c1 6824 struct drv_nl80211_if_info *old;
f07ead6a 6825
732b1d20
MB		 6826 wpa_printf(MSG_DEBUG,
6827 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
6828 ifidx, ifidx_reason);
6829 if (have_ifidx(drv, ifidx, ifidx_reason)) {
b36935be
MB		 6830 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
6831 ifidx);
6832 return;
6833 }
f07ead6a 6834 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM		 6835 if (drv->if_indices[i].ifindex == 0) {
6836 drv->if_indices[i].ifindex = ifidx;
6837 drv->if_indices[i].reason = ifidx_reason;
9b4d9c8b 6838 dump_ifidx(drv);
f07ead6a
JM		 6839 return;
6840 }
6841 }
6842
6843 if (drv->if_indices != drv->default_if_indices)
6844 old = drv->if_indices;
6845 else
6846 old = NULL;
6847
067ffa26 6848 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
099224c1 6849 sizeof(*old));
f07ead6a
JM		 6850 if (!drv->if_indices) {
6851 if (!old)
6852 drv->if_indices = drv->default_if_indices;
6853 else
6854 drv->if_indices = old;
6855 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
6856 "interfaces");
6857 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
6858 return;
732b1d20
MB		 6859 }
6860 if (!old)
f07ead6a
JM		 6861 os_memcpy(drv->if_indices, drv->default_if_indices,
6862 sizeof(drv->default_if_indices));
099224c1
JM		 6863 drv->if_indices[drv->num_if_indices].ifindex = ifidx;
6864 drv->if_indices[drv->num_if_indices].reason = ifidx_reason;
f07ead6a 6865 drv->num_if_indices++;
9b4d9c8b 6866 dump_ifidx(drv);
f07ead6a
JM		 6867}
6868
6869
732b1d20
MB		 6870static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6871 int ifidx_reason)
f07ead6a
JM		 6872{
6873 int i;
6874
6875 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM		 6876 if ((drv->if_indices[i].ifindex == ifidx ||
6877 ifidx == IFIDX_ANY) &&
6878 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6879 ifidx_reason == IFIDX_ANY)) {
099224c1
JM		 6880 drv->if_indices[i].ifindex = 0;
6881 drv->if_indices[i].reason = 0;
f07ead6a
JM		 6882 break;
6883 }
6884 }
9b4d9c8b 6885 dump_ifidx(drv);
f07ead6a
JM		 6886}
6887
6888
732b1d20
MB		 6889static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6890 int ifidx_reason)
f07ead6a
JM		 6891{
6892 int i;
6893
6894 for (i = 0; i < drv->num_if_indices; i++)
099224c1
JM		 6895 if (drv->if_indices[i].ifindex == ifidx &&
6896 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6897 ifidx_reason == IFIDX_ANY))
f07ead6a
JM		 6898 return 1;
6899
6900 return 0;
6901}
6902
6903
6904static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 6905 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 6906{
6907 struct i802_bss *bss = priv;
6908 struct wpa_driver_nl80211_data *drv = bss->drv;
6909 char name[IFNAMSIZ + 1];
1952b626 6910 union wpa_event_data event;
d577f7f3
AO		 6911 int ret;
6912
6913 ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
6914 if (ret >= (int) sizeof(name))
6915 wpa_printf(MSG_WARNING,
6916 "nl80211: WDS interface name was truncated");
6917 else if (ret < 0)
6918 return ret;
f07ead6a 6919
69dd2967
SM		 6920 if (ifname_wds)
6921 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
6922
f07ead6a
JM		 6923 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
6924 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
6925 if (val) {
6926 if (!if_nametoindex(name)) {
6927 if (nl80211_create_iface(drv, name,
6928 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 6929 bss->addr, 1, NULL, NULL, 0) <
6930 0)
f07ead6a
JM		 6931 return -1;
6932 if (bridge_ifname &&
c81eff1a
BG		 6933 linux_br_add_if(drv->global->ioctl_sock,
6934 bridge_ifname, name) < 0)
f07ead6a 6935 return -1;
1952b626
BP		 6936
6937 os_memset(&event, 0, sizeof(event));
6938 event.wds_sta_interface.sta_addr = addr;
6939 event.wds_sta_interface.ifname = name;
6940 event.wds_sta_interface.istatus = INTERFACE_ADDED;
8bfbb295 6941 wpa_supplicant_event(bss->ctx,
1952b626
BP		 6942 EVENT_WDS_STA_INTERFACE_STATUS,
6943 &event);
f07ead6a 6944 }
75227f3a
JM		 6945 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
6946 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
6947 "interface %s up", name);
6948 }
f07ead6a
JM		 6949 return i802_set_sta_vlan(priv, addr, name, 0);
6950 } else {
f9052d6e
JM		 6951 if (bridge_ifname &&
6952 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
6953 name) < 0)
6954 wpa_printf(MSG_INFO,
6955 "nl80211: Failed to remove interface %s from bridge %s: %s",
6956 name, bridge_ifname, strerror(errno));
c34e618d 6957
f07ead6a 6958 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25 6959 nl80211_remove_iface(drv, if_nametoindex(name));
1952b626
BP		 6960 os_memset(&event, 0, sizeof(event));
6961 event.wds_sta_interface.sta_addr = addr;
6962 event.wds_sta_interface.ifname = name;
6963 event.wds_sta_interface.istatus = INTERFACE_REMOVED;
8bfbb295 6964 wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS,
1952b626 6965 &event);
d0595b25 6966 return 0;
f07ead6a
JM		 6967 }
6968}
6969
6970
6971static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
6972{
6973 struct wpa_driver_nl80211_data *drv = eloop_ctx;
6974 struct sockaddr_ll lladdr;
6975 unsigned char buf[3000];
6976 int len;
6977 socklen_t fromlen = sizeof(lladdr);
6978
6979 len = recvfrom(sock, buf, sizeof(buf), 0,
6980 (struct sockaddr *)&lladdr, &fromlen);
6981 if (len < 0) {
7ac3616d
JM		 6982 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
6983 strerror(errno));
f07ead6a
JM		 6984 return;
6985 }
6986
732b1d20 6987 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
f07ead6a
JM		 6988 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
6989}
6990
6991
94627f6c 6992static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 6993 struct i802_bss *bss,
94627f6c
JM		 6994 const char *brname, const char *ifname)
6995{
6c6678e7 6996 int br_ifindex;
94627f6c
JM		 6997 char in_br[IFNAMSIZ];
6998
e17a2477 6999 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 7000 br_ifindex = if_nametoindex(brname);
6c6678e7 7001 if (br_ifindex == 0) {
94627f6c
JM		 7002 /*
7003 * Bridge was configured, but the bridge device does
7004 * not exist. Try to add it now.
7005 */
c81eff1a 7006 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 7007 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
7008 "bridge interface %s: %s",
7009 brname, strerror(errno));
7010 return -1;
7011 }
e17a2477 7012 bss->added_bridge = 1;
8997613c 7013 br_ifindex = if_nametoindex(brname);
732b1d20 7014 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 7015 }
8997613c 7016 bss->br_ifindex = br_ifindex;
94627f6c
JM		 7017
7018 if (linux_br_get(in_br, ifname) == 0) {
c809756f
SM		 7019 if (os_strcmp(in_br, brname) == 0) {
7020 bss->already_in_bridge = 1;
94627f6c 7021 return 0; /* already in the bridge */
c809756f 7022 }
94627f6c
JM		 7023
7024 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
7025 "bridge %s", ifname, in_br);
c81eff1a
BG		 7026 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
7027 0) {
94627f6c
JM		 7028 wpa_printf(MSG_ERROR, "nl80211: Failed to "
7029 "remove interface %s from bridge "
7030 "%s: %s",
fdbfb63e 7031 ifname, in_br, strerror(errno));
94627f6c
JM		 7032 return -1;
7033 }
7034 }
7035
7036 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
7037 ifname, brname);
c81eff1a 7038 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
8e111157
MK		 7039 wpa_printf(MSG_WARNING,
7040 "nl80211: Failed to add interface %s into bridge %s: %s",
94627f6c 7041 ifname, brname, strerror(errno));
8e111157
MK		 7042 /* Try to continue without the interface being in a bridge. This
7043 * may be needed for some cases, e.g., with Open vSwitch, where
7044 * an external component will need to handle bridge
7045 * configuration. */
7046 return 0;
94627f6c 7047 }
e17a2477 7048 bss->added_if_into_bridge = 1;
94627f6c
JM		 7049
7050 return 0;
7051}
7052
7053
92f475b4
JM		 7054static void *i802_init(struct hostapd_data *hapd,
7055 struct wpa_init_params *params)
c5121837
JM		 7056{
7057 struct wpa_driver_nl80211_data *drv;
a2e40bb6 7058 struct i802_bss *bss;
c5121837 7059 size_t i;
cb05808c
AN		 7060 char master_ifname[IFNAMSIZ];
7061 int ifindex, br_ifindex = 0;
94627f6c 7062 int br_added = 0;
c5121837 7063
0d547d5f
JM		 7064 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
7065 params->global_priv, 1,
0ecff8d7 7066 params->bssid, params->driver_params);
a2e40bb6 7067 if (bss == NULL)
c5121837 7068 return NULL;
c5121837 7069
a2e40bb6 7070 drv = bss->drv;
7635bfb0 7071
cb05808c 7072 if (linux_br_get(master_ifname, params->ifname) == 0) {
94627f6c 7073 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
cb05808c
AN		 7074 params->ifname, master_ifname);
7075 br_ifindex = if_nametoindex(master_ifname);
7076 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
7077 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
7078 linux_master_get(master_ifname, params->ifname) == 0) {
7079 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
7080 params->ifname, master_ifname);
7081 /* start listening for EAPOL on the master interface */
732b1d20 7082 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
f2d6c17a
DL		 7083
7084 /* check if master itself is under bridge */
7085 if (linux_br_get(master_ifname, master_ifname) == 0) {
7086 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
7087 master_ifname);
7088 br_ifindex = if_nametoindex(master_ifname);
7089 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
7090 }
94627f6c 7091 } else {
cb05808c 7092 master_ifname[0] = '\0';
94627f6c 7093 }
cb05808c 7094
6c6678e7 7095 bss->br_ifindex = br_ifindex;
94627f6c 7096
92f475b4 7097 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 7098 if (params->bridge[i]) {
7099 ifindex = if_nametoindex(params->bridge[i]);
7100 if (ifindex)
732b1d20 7101 add_ifidx(drv, ifindex, drv->ifindex);
94627f6c
JM		 7102 if (ifindex == br_ifindex)
7103 br_added = 1;
7104 }
c5121837 7105 }
c5121837 7106
ad1e68e6 7107 /* start listening for EAPOL on the default AP interface */
732b1d20 7108 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
ad1e68e6 7109
5ef8e39f
JM		 7110 if (params->num_bridge && params->bridge[0]) {
7111 if (i802_check_bridge(drv, bss, params->bridge[0],
7112 params->ifname) < 0)
7113 goto failed;
cb05808c 7114 if (os_strcmp(params->bridge[0], master_ifname) != 0)
5ef8e39f
JM		 7115 br_added = 1;
7116 }
7117
7118 if (!br_added && br_ifindex &&
7119 (params->num_bridge == 0 || !params->bridge[0]))
732b1d20 7120 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 7121
97ed9a06 7122#ifdef CONFIG_LIBNL3_ROUTE
c809756f 7123 if (bss->added_if_into_bridge || bss->already_in_bridge) {
3ea58a05
JM		 7124 int err;
7125
97ed9a06
KP		 7126 drv->rtnl_sk = nl_socket_alloc();
7127 if (drv->rtnl_sk == NULL) {
7128 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
7129 goto failed;
7130 }
7131
3ea58a05
JM		 7132 err = nl_connect(drv->rtnl_sk, NETLINK_ROUTE);
7133 if (err) {
97ed9a06 7134 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
3ea58a05 7135 nl_geterror(err));
97ed9a06
KP		 7136 goto failed;
7137 }
7138 }
7139#endif /* CONFIG_LIBNL3_ROUTE */
7140
ad1e68e6
JM		 7141 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
7142 if (drv->eapol_sock < 0) {
7ac3616d
JM		 7143 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
7144 strerror(errno));
bbaf0837 7145 goto failed;
ad1e68e6
JM		 7146 }
7147
7148 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
7149 {
7ac3616d 7150 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 7151 goto failed;
ad1e68e6
JM		 7152 }
7153
c81eff1a
BG		 7154 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
7155 params->own_addr))
bbaf0837 7156 goto failed;
fee354c7 7157 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 7158
341eebee
JB		 7159 memcpy(bss->addr, params->own_addr, ETH_ALEN);
7160
a2e40bb6 7161 return bss;
c5121837
JM		 7162
7163failed:
7635bfb0 7164 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 7165 return NULL;
7166}
c5121837 7167
c5121837 7168
bbaf0837
JM		 7169static void i802_deinit(void *priv)
7170{
9ebce9c5
JM		 7171 struct i802_bss *bss = priv;
7172 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 7173}
7174
c5121837 7175
22a7c9d7
JM		 7176static enum nl80211_iftype wpa_driver_nl80211_if_type(
7177 enum wpa_driver_if_type type)
7178{
7179 switch (type) {
7180 case WPA_IF_STATION:
9f51b113 7181 return NL80211_IFTYPE_STATION;
75bde05d
JM		 7182 case WPA_IF_P2P_CLIENT:
7183 case WPA_IF_P2P_GROUP:
9f51b113 7184 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 7185 case WPA_IF_AP_VLAN:
7186 return NL80211_IFTYPE_AP_VLAN;
7187 case WPA_IF_AP_BSS:
7188 return NL80211_IFTYPE_AP;
9f51b113
JB		 7189 case WPA_IF_P2P_GO:
7190 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 7191 case WPA_IF_P2P_DEVICE:
7192 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH		 7193 case WPA_IF_MESH:
7194 return NL80211_IFTYPE_MESH_POINT;
98342208
AK		 7195 default:
7196 return -1;
22a7c9d7 7197 }
22a7c9d7
JM		 7198}
7199
7200
f2ed8023
JM		 7201static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
7202{
7203 struct wpa_driver_nl80211_data *drv;
7204 dl_list_for_each(drv, &global->interfaces,
7205 struct wpa_driver_nl80211_data, list) {
834ee56f 7206 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 7207 return 1;
7208 }
7209 return 0;
7210}
7211
7212
5b78493f 7213static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM		 7214{
7215 unsigned int idx;
7216
7217 if (!drv->global)
7218 return -1;
7219
834ee56f 7220 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 7221 for (idx = 0; idx < 64; idx++) {
834ee56f 7222 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 7223 new_addr[0] ^= idx << 2;
7224 if (!nl80211_addr_in_use(drv->global, new_addr))
7225 break;
7226 }
7227 if (idx == 64)
7228 return -1;
7229
5b78493f 7230 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM		 7231 MACSTR, MAC2STR(new_addr));
7232
7233 return 0;
7234}
7235
7236
f632e483
AS		 7237struct wdev_info {
7238 u64 wdev_id;
7239 int wdev_id_set;
7240 u8 macaddr[ETH_ALEN];
7241};
7242
7243static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 7244{
7245 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7246 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 7247 struct wdev_info *wi = arg;
e472e1b4
AS		 7248
7249 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7250 genlmsg_attrlen(gnlh, 0), NULL);
7251 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 7252 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
7253 wi->wdev_id_set = 1;
e472e1b4
AS		 7254 }
7255
7256 if (tb[NL80211_ATTR_MAC])
f632e483 7257 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 7258 ETH_ALEN);
7259
7260 return NL_SKIP;
7261}
7262
7263
7ab68865 7264static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 7265 const char *ifname, const u8 *addr,
f3585c8a 7266 void *bss_ctx, void **drv_priv,
e17a2477 7267 char *force_ifname, u8 *if_addr,
d8a3b66d
AS		 7268 const char *bridge, int use_existing,
7269 int setup_ap)
22a7c9d7 7270{
e472e1b4 7271 enum nl80211_iftype nlmode;
a2e40bb6
FF		 7272 struct i802_bss *bss = priv;
7273 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 7274 int ifidx;
2aec4f3c 7275 int added = 1;
22a7c9d7 7276
f3585c8a
JM		 7277 if (addr)
7278 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 7279 nlmode = wpa_driver_nl80211_if_type(type);
7280 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 7281 struct wdev_info p2pdev_info;
7282
7283 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 7284 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 7285 0, nl80211_wdev_handler,
2aec4f3c 7286 &p2pdev_info, use_existing);
f632e483 7287 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 7288 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
7289 ifname);
e472e1b4
AS		 7290 return -1;
7291 }
f632e483
AS		 7292
7293 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
7294 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
7295 if (!is_zero_ether_addr(p2pdev_info.macaddr))
7296 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
7297 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
7298 ifname,
7299 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 7300 } else {
7301 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 7302 0, NULL, NULL, use_existing);
7303 if (use_existing && ifidx == -ENFILE) {
7304 added = 0;
7305 ifidx = if_nametoindex(ifname);
7306 } else if (ifidx < 0) {
e472e1b4
AS		 7307 return -1;
7308 }
22a7c9d7
JM		 7309 }
7310
ab7a1add 7311 if (!addr) {
8ea8a89c 7312 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
ab7a1add
AS		 7313 os_memcpy(if_addr, bss->addr, ETH_ALEN);
7314 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8ea8a89c 7315 ifname, if_addr) < 0) {
2aec4f3c
JM		 7316 if (added)
7317 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 7318 return -1;
7319 }
c55f774d
JM		 7320 }
7321
c55f774d
JM		 7322 if (!addr &&
7323 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8ea8a89c
JM		 7324 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
7325 type == WPA_IF_STATION)) {
7326 /* Enforce unique address */
ab7a1add 7327 u8 new_addr[ETH_ALEN];
c55f774d 7328
ab7a1add 7329 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 7330 new_addr) < 0) {
ea39367c
MK		 7331 if (added)
7332 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7333 return -1;
7334 }
f608081c 7335 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 7336 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8ea8a89c 7337 "for interface %s type %d", ifname, type);
5b78493f 7338 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK		 7339 if (added)
7340 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7341 return -1;
7342 }
c81eff1a 7343 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 7344 new_addr) < 0) {
ea39367c
MK		 7345 if (added)
7346 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 7347 return -1;
7348 }
c55f774d 7349 }
f67eeb5c 7350 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 7351 }
f3585c8a 7352
d8a3b66d 7353 if (type == WPA_IF_AP_BSS && setup_ap) {
f5eb9da3
JM		 7354 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
7355 if (new_bss == NULL) {
2aec4f3c
JM		 7356 if (added)
7357 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 7358 return -1;
7359 }
7360
7361 if (bridge &&
7362 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
7363 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
7364 "interface %s to a bridge %s",
7365 ifname, bridge);
2aec4f3c
JM		 7366 if (added)
7367 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 7368 os_free(new_bss);
7369 return -1;
7370 }
7371
c81eff1a
BG		 7372 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
7373 {
ea39367c
MK		 7374 if (added)
7375 nl80211_remove_iface(drv, ifidx);
07179987 7376 os_free(new_bss);
22a7c9d7
JM		 7377 return -1;
7378 }
a2e40bb6 7379 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 7380 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 7381 new_bss->ifindex = ifidx;
7382 new_bss->drv = drv;
834ee56f
KP		 7383 new_bss->next = drv->first_bss->next;
7384 new_bss->freq = drv->first_bss->freq;
a5e1eb20 7385 new_bss->ctx = bss_ctx;
2aec4f3c 7386 new_bss->added_if = added;
834ee56f 7387 drv->first_bss->next = new_bss;
a2e40bb6
FF		 7388 if (drv_priv)
7389 *drv_priv = new_bss;
cc7a48d1 7390 nl80211_init_bss(new_bss);
3dd1d890
YAP		 7391
7392 /* Subscribe management frames for this WPA_IF_AP_BSS */
7393 if (nl80211_setup_ap(new_bss))
7394 return -1;
22a7c9d7 7395 }
22a7c9d7 7396
ff6a158b
JM		 7397 if (drv->global)
7398 drv->global->if_add_ifindex = ifidx;
7399
d1bb7aed
JJ		 7400 /*
7401 * Some virtual interfaces need to process EAPOL packets and events on
7402 * the parent interface. This is used mainly with hostapd.
7403 */
7404 if (ifidx > 0 &&
7405 (drv->hostapd ||
7406 nlmode == NL80211_IFTYPE_AP_VLAN ||
7407 nlmode == NL80211_IFTYPE_WDS ||
7408 nlmode == NL80211_IFTYPE_MONITOR))
732b1d20 7409 add_ifidx(drv, ifidx, IFIDX_ANY);
b36935be 7410
22a7c9d7
JM		 7411 return 0;
7412}
7413
7414
9ebce9c5 7415static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 7416 enum wpa_driver_if_type type,
7417 const char *ifname)
7418{
a2e40bb6 7419 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 7420 int ifindex = if_nametoindex(ifname);
7421
2aec4f3c
JM		 7422 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
7423 __func__, type, ifname, ifindex, bss->added_if);
158b090c 7424 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 7425 nl80211_remove_iface(drv, ifindex);
de884303
JM		 7426 else if (ifindex > 0 && !bss->added_if) {
7427 struct wpa_driver_nl80211_data *drv2;
7428 dl_list_for_each(drv2, &drv->global->interfaces,
732b1d20
MB		 7429 struct wpa_driver_nl80211_data, list) {
7430 del_ifidx(drv2, ifindex, IFIDX_ANY);
7431 del_ifidx(drv2, IFIDX_ANY, ifindex);
7432 }
de884303 7433 }
c34e618d 7434
c34e618d
FF		 7435 if (type != WPA_IF_AP_BSS)
7436 return 0;
7437
e17a2477 7438 if (bss->added_if_into_bridge) {
c81eff1a
BG		 7439 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
7440 bss->ifname) < 0)
e17a2477
JM		 7441 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7442 "interface %s from bridge %s: %s",
7443 bss->ifname, bss->brname, strerror(errno));
7444 }
7445 if (bss->added_bridge) {
c81eff1a 7446 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 7447 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7448 "bridge %s: %s",
7449 bss->brname, strerror(errno));
7450 }
a2e40bb6 7451
834ee56f 7452 if (bss != drv->first_bss) {
8546ea19 7453 struct i802_bss *tbss;
a2e40bb6 7454
2aec4f3c 7455 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 7456 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 7457 if (tbss->next == bss) {
7458 tbss->next = bss->next;
3dd1d890
YAP		 7459 /* Unsubscribe management frames */
7460 nl80211_teardown_ap(bss);
cc7a48d1 7461 nl80211_destroy_bss(bss);
5c9da160
MB		 7462 if (!bss->added_if)
7463 i802_set_iface_flags(bss, 0);
8546ea19
JM		 7464 os_free(bss);
7465 bss = NULL;
7466 break;
7467 }
22a7c9d7 7468 }
8546ea19
JM		 7469 if (bss)
7470 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
7471 "BSS %p in the list", __func__, bss);
390e489c 7472 } else {
2aec4f3c 7473 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 7474 nl80211_teardown_ap(bss);
2aec4f3c 7475 if (!bss->added_if && !drv->first_bss->next)
a70cd0db 7476 wpa_driver_nl80211_del_beacon(bss);
390e489c 7477 nl80211_destroy_bss(bss);
2aec4f3c
JM		 7478 if (!bss->added_if)
7479 i802_set_iface_flags(bss, 0);
390e489c
KP		 7480 if (drv->first_bss->next) {
7481 drv->first_bss = drv->first_bss->next;
7482 drv->ctx = drv->first_bss->ctx;
7483 os_free(bss);
7484 } else {
7485 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
7486 }
22a7c9d7 7487 }
22a7c9d7
JM		 7488
7489 return 0;
7490}
7491
7492
55777702
JM		 7493static int cookie_handler(struct nl_msg *msg, void *arg)
7494{
7495 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7496 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7497 u64 *cookie = arg;
7498 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7499 genlmsg_attrlen(gnlh, 0), NULL);
7500 if (tb[NL80211_ATTR_COOKIE])
7501 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
7502 return NL_SKIP;
7503}
7504
7505
88df0ef7 7506static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 7507 unsigned int freq, unsigned int wait,
7508 const u8 *buf, size_t buf_len,
5ad372cc 7509 int save_cookie, int no_cck, int no_ack,
2d3943ce
AO		 7510 int offchanok, const u16 *csa_offs,
7511 size_t csa_offs_len)
9884f9cc 7512{
88df0ef7 7513 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 7514 struct nl_msg *msg;
7515 u64 cookie;
7516 int ret = -1;
7517
cc2ada86 7518 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 7519 "no_ack=%d offchanok=%d",
7520 freq, wait, no_cck, no_ack, offchanok);
c91f796f 7521 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 7522
56f77852 7523 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM		 7524 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
7525 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
7526 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7527 drv->test_use_roc_tx) &&
7528 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
7529 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
7530 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
2d3943ce
AO		 7531 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
7532 csa_offs_len * sizeof(u16), csa_offs)) ||
a862e4a3
JM		 7533 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
7534 goto fail;
9884f9cc
JB		 7535
7536 cookie = 0;
7537 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7538 msg = NULL;
7539 if (ret) {
7540 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 7541 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
7542 freq, wait);
a862e4a3
JM		 7543 } else {
7544 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
7545 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
7546 (long long unsigned int) cookie);
9884f9cc 7547
5ad372cc 7548 if (save_cookie)
81ae8820 7549 drv->send_frame_cookie = no_ack ? (u64) -1 : cookie;
759a8a3a 7550
81ae8820 7551 if (drv->num_send_frame_cookies == MAX_SEND_FRAME_COOKIES) {
759a8a3a 7552 wpa_printf(MSG_DEBUG,
81ae8820 7553 "nl80211: Drop oldest pending send frame cookie 0x%llx",
759a8a3a 7554 (long long unsigned int)
81ae8820
JM		 7555 drv->send_frame_cookies[0]);
7556 os_memmove(&drv->send_frame_cookies[0],
7557 &drv->send_frame_cookies[1],
7558 (MAX_SEND_FRAME_COOKIES - 1) *
759a8a3a 7559 sizeof(u64));
81ae8820 7560 drv->num_send_frame_cookies--;
759a8a3a 7561 }
81ae8820
JM		 7562 drv->send_frame_cookies[drv->num_send_frame_cookies] = cookie;
7563 drv->num_send_frame_cookies++;
a862e4a3 7564 }
9884f9cc 7565
a862e4a3 7566fail:
9884f9cc
JB		 7567 nlmsg_free(msg);
7568 return ret;
7569}
7570
7571
9ebce9c5
JM		 7572static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
7573 unsigned int freq,
190b9062 7574 unsigned int wait_time,
58f6fbe0
JM		 7575 const u8 *dst, const u8 *src,
7576 const u8 *bssid,
b106173a
JM		 7577 const u8 *data, size_t data_len,
7578 int no_cck)
58f6fbe0 7579{
a2e40bb6 7580 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 7581 int ret = -1;
58f6fbe0
JM		 7582 u8 *buf;
7583 struct ieee80211_hdr *hdr;
ff774311
BG		 7584 int offchanok = 1;
7585
7586 if (is_ap_interface(drv->nlmode) && (int) freq == bss->freq)
7587 offchanok = 0;
58f6fbe0 7588
5dfca53f 7589 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
ff774311
BG		 7590 "freq=%u MHz wait=%d ms no_cck=%d offchanok=%d)",
7591 drv->ifindex, freq, wait_time, no_cck, offchanok);
58f6fbe0
JM		 7592
7593 buf = os_zalloc(24 + data_len);
7594 if (buf == NULL)
7595 return ret;
7596 os_memcpy(buf + 24, data, data_len);
7597 hdr = (struct ieee80211_hdr *) buf;
7598 hdr->frame_control =
7599 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
7600 os_memcpy(hdr->addr1, dst, ETH_ALEN);
7601 os_memcpy(hdr->addr2, src, ETH_ALEN);
7602 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
7603
8331c9b3
VK		 7604 if (os_memcmp(bss->addr, src, ETH_ALEN) != 0) {
7605 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
7606 MAC2STR(src));
7607 os_memcpy(bss->rand_addr, src, ETH_ALEN);
7608 } else {
7609 os_memset(bss->rand_addr, 0, ETH_ALEN);
7610 }
7611
f78f2785
JM		 7612 if (is_ap_interface(drv->nlmode) &&
7613 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7614 (int) freq == bss->freq || drv->device_ap_sme ||
7615 !drv->use_monitor))
9ebce9c5 7616 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
ff774311 7617 0, freq, no_cck, offchanok,
27cc06d0 7618 wait_time, NULL, 0, 0);
9884f9cc 7619 else
88df0ef7 7620 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 7621 24 + data_len,
ff774311 7622 1, no_cck, 0, offchanok, NULL, 0);
58f6fbe0 7623
f8bf1421 7624 os_free(buf);
58f6fbe0
JM		 7625 return ret;
7626}
7627
7628
759a8a3a 7629static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
5dfca53f 7630{
5dfca53f
JB		 7631 struct wpa_driver_nl80211_data *drv = bss->drv;
7632 struct nl_msg *msg;
7633 int ret;
7634
316a9e4d 7635 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
759a8a3a 7636 (long long unsigned int) cookie);
56f77852 7637 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
759a8a3a 7638 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
a862e4a3
JM		 7639 nlmsg_free(msg);
7640 return;
7641 }
5dfca53f
JB		 7642
7643 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB		 7644 if (ret)
7645 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
7646 "(%s)", ret, strerror(-ret));
5dfca53f
JB		 7647}
7648
7649
759a8a3a
JM		 7650static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
7651{
7652 struct i802_bss *bss = priv;
7653 struct wpa_driver_nl80211_data *drv = bss->drv;
7654 unsigned int i;
7655 u64 cookie;
7656
7657 /* Cancel the last pending TX cookie */
81ae8820 7658 nl80211_frame_wait_cancel(bss, drv->send_frame_cookie);
759a8a3a
JM		 7659
7660 /*
7661 * Cancel the other pending TX cookies, if any. This is needed since
7662 * the driver may keep a list of all pending offchannel TX operations
7663 * and free up the radio only once they have expired or cancelled.
7664 */
81ae8820
JM		 7665 for (i = drv->num_send_frame_cookies; i > 0; i--) {
7666 cookie = drv->send_frame_cookies[i - 1];
7667 if (cookie != drv->send_frame_cookie)
759a8a3a
JM		 7668 nl80211_frame_wait_cancel(bss, cookie);
7669 }
81ae8820 7670 drv->num_send_frame_cookies = 0;
759a8a3a
JM		 7671}
7672
7673
55777702
JM		 7674static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
7675 unsigned int duration)
7676{
a2e40bb6
FF		 7677 struct i802_bss *bss = priv;
7678 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7679 struct nl_msg *msg;
7680 int ret;
7681 u64 cookie;
7682
56f77852 7683 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM		 7684 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
7685 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
7686 nlmsg_free(msg);
7687 return -1;
7688 }
55777702
JM		 7689
7690 cookie = 0;
7691 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7692 if (ret == 0) {
7693 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
7694 "0x%llx for freq=%u MHz duration=%u",
7695 (long long unsigned int) cookie, freq, duration);
7696 drv->remain_on_chan_cookie = cookie;
531f0331 7697 drv->pending_remain_on_chan = 1;
55777702
JM		 7698 return 0;
7699 }
7700 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 7701 "(freq=%d duration=%u): %d (%s)",
7702 freq, duration, ret, strerror(-ret));
55777702
JM		 7703 return -1;
7704}
7705
7706
7707static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
7708{
a2e40bb6
FF		 7709 struct i802_bss *bss = priv;
7710 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 7711 struct nl_msg *msg;
7712 int ret;
7713
7714 if (!drv->pending_remain_on_chan) {
7715 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
7716 "to cancel");
7717 return -1;
7718 }
7719
7720 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
7721 "0x%llx",
7722 (long long unsigned int) drv->remain_on_chan_cookie);
7723
56f77852
JM		 7724 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
7725 if (!msg ||
a862e4a3
JM		 7726 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
7727 nlmsg_free(msg);
7728 return -1;
7729 }
55777702
JM		 7730
7731 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7732 if (ret == 0)
7733 return 0;
7734 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
7735 "%d (%s)", ret, strerror(-ret));
55777702
JM		 7736 return -1;
7737}
7738
7739
9ebce9c5 7740static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 7741{
a2e40bb6 7742 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 7743
5582a5d1 7744 if (!report) {
0d891981 7745 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 7746 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
7747 !bss->static_ap) {
0d891981
JM		 7748 /*
7749 * Do not disable Probe Request reporting that was
7750 * enabled in nl80211_setup_ap().
7751 */
7752 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
7753 "Probe Request reporting nl_preq=%p while "
7754 "in AP mode", bss->nl_preq);
7755 } else if (bss->nl_preq) {
36488c05
JM		 7756 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
7757 "reporting nl_preq=%p", bss->nl_preq);
40a68f33 7758 nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
5582a5d1
JB		 7759 }
7760 return 0;
7761 }
7762
481234cf 7763 if (bss->nl_preq) {
5582a5d1 7764 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 7765 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 7766 return 0;
7767 }
7768
481234cf
JM		 7769 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
7770 if (bss->nl_preq == NULL)
5582a5d1 7771 return -1;
36488c05
JM		 7772 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
7773 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 7774
481234cf 7775 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 7776 (WLAN_FC_TYPE_MGMT << 2) |
7777 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 7778 NULL, 0) < 0)
7779 goto out_err;
5582a5d1 7780
5f65e9f7
JB		 7781 nl80211_register_eloop_read(&bss->nl_preq,
7782 wpa_driver_nl80211_event_receive,
40a68f33 7783 bss->nl_cb, 0);
5582a5d1 7784
504e905c 7785 return 0;
5582a5d1 7786
a92dfde8 7787 out_err:
221a59c9 7788 nl_destroy_handles(&bss->nl_preq);
5582a5d1 7789 return -1;
504e905c
JM		 7790}
7791
7792
4e5cb1a3
JM		 7793static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
7794 int ifindex, int disabled)
7795{
7796 struct nl_msg *msg;
7797 struct nlattr *bands, *band;
7798 int ret;
7799
3e208481
JM		 7800 wpa_printf(MSG_DEBUG,
7801 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
7802 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
7803 "no NL80211_TXRATE_LEGACY constraint");
7804
95376e1a
JM		 7805 msg = nl80211_ifindex_msg(drv, ifindex, 0,
7806 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 7807 if (!msg)
7808 return -1;
7809
4e5cb1a3
JM		 7810 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
7811 if (!bands)
a862e4a3 7812 goto fail;
4e5cb1a3
JM		 7813
7814 /*
7815 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
7816 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
7817 * rates. All 5 GHz rates are left enabled.
7818 */
7819 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM		 7820 if (!band ||
7821 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
7822 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
7823 goto fail;
4e5cb1a3
JM		 7824 nla_nest_end(msg, band);
7825
7826 nla_nest_end(msg, bands);
7827
7828 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM		 7829 if (ret) {
7830 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
7831 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 7832 } else
7833 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 7834
7835 return ret;
7836
a862e4a3 7837fail:
4e5cb1a3
JM		 7838 nlmsg_free(msg);
7839 return -1;
7840}
7841
7842
af473088
JM		 7843static int wpa_driver_nl80211_deinit_ap(void *priv)
7844{
a2e40bb6
FF		 7845 struct i802_bss *bss = priv;
7846 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 7847 if (!is_ap_interface(drv->nlmode))
af473088 7848 return -1;
a70cd0db 7849 wpa_driver_nl80211_del_beacon(bss);
9bc5cfa3 7850 bss->beacon_set = 0;
60b13c20
IP		 7851
7852 /*
7853 * If the P2P GO interface was dynamically added, then it is
7854 * possible that the interface change to station is not possible.
7855 */
7856 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
7857 return 0;
7858
b1f625e0 7859 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 7860}
7861
7862
695c7038
SW		 7863static int wpa_driver_nl80211_stop_ap(void *priv)
7864{
7865 struct i802_bss *bss = priv;
7866 struct wpa_driver_nl80211_data *drv = bss->drv;
7867 if (!is_ap_interface(drv->nlmode))
7868 return -1;
a70cd0db 7869 wpa_driver_nl80211_del_beacon(bss);
695c7038
SW		 7870 bss->beacon_set = 0;
7871 return 0;
7872}
7873
7874
3c29244e
EP		 7875static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
7876{
7877 struct i802_bss *bss = priv;
7878 struct wpa_driver_nl80211_data *drv = bss->drv;
7879 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
7880 return -1;
60b13c20
IP		 7881
7882 /*
7883 * If the P2P Client interface was dynamically added, then it is
7884 * possible that the interface change to station is not possible.
7885 */
7886 if (bss->if_dynamic)
7887 return 0;
7888
3c29244e
EP		 7889 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7890}
7891
7892
207ef3fb
JM		 7893static void wpa_driver_nl80211_resume(void *priv)
7894{
a2e40bb6 7895 struct i802_bss *bss = priv;
e8dc205f 7896 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
91724d6f
AS		 7897
7898 if (i802_set_iface_flags(bss, 1))
7899 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
e8dc205f
AO		 7900
7901 if (is_p2p_net_interface(nlmode))
7902 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
207ef3fb
JM		 7903}
7904
7905
b625473c
JM		 7906static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
7907{
7908 struct i802_bss *bss = priv;
7909 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 7910 struct nl_msg *msg;
7911 struct nlattr *cqm;
b625473c
JM		 7912
7913 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
7914 "hysteresis=%d", threshold, hysteresis);
7915
13f83980 7916 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM		 7917 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
7918 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
7919 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
7920 nlmsg_free(msg);
7921 return -1;
7922 }
8970bae8 7923 nla_nest_end(msg, cqm);
21270bb4 7924
a862e4a3 7925 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 7926}
7927
7928
2cc8d8f4
AO		 7929static int get_channel_width(struct nl_msg *msg, void *arg)
7930{
7931 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7932 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7933 struct wpa_signal_info *sig_change = arg;
7934
7935 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7936 genlmsg_attrlen(gnlh, 0), NULL);
7937
7938 sig_change->center_frq1 = -1;
7939 sig_change->center_frq2 = -1;
7940 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
7941
7942 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
7943 sig_change->chanwidth = convert2width(
7944 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
7945 if (tb[NL80211_ATTR_CENTER_FREQ1])
7946 sig_change->center_frq1 =
7947 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
7948 if (tb[NL80211_ATTR_CENTER_FREQ2])
7949 sig_change->center_frq2 =
7950 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
7951 }
7952
7953 return NL_SKIP;
7954}
7955
7956
7957static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
7958 struct wpa_signal_info *sig)
7959{
7960 struct nl_msg *msg;
7961
9725b784 7962 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 7963 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO		 7964}
7965
7966
1c5c7273
PS		 7967static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
7968{
7969 struct i802_bss *bss = priv;
7970 struct wpa_driver_nl80211_data *drv = bss->drv;
7971 int res;
7972
7973 os_memset(si, 0, sizeof(*si));
7974 res = nl80211_get_link_signal(drv, si);
1d6955e6
JM		 7975 if (res) {
7976 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
7977 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
7978 return res;
7979 si->current_signal = 0;
7980 }
1c5c7273 7981
2cc8d8f4
AO		 7982 res = nl80211_get_channel_width(drv, si);
7983 if (res != 0)
7984 return res;
7985
1c5c7273
PS		 7986 return nl80211_get_link_noise(drv, si);
7987}
7988
7989
c55f774d
JM		 7990static int nl80211_set_param(void *priv, const char *param)
7991{
ef24ad3e
JM		 7992 struct i802_bss *bss = priv;
7993 struct wpa_driver_nl80211_data *drv = bss->drv;
7994
c55f774d
JM		 7995 if (param == NULL)
7996 return 0;
99a94f55 7997 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
c55f774d
JM		 7998
7999#ifdef CONFIG_P2P
8000 if (os_strstr(param, "use_p2p_group_interface=1")) {
8001 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
8002 "interface");
8003 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
8004 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
8005 }
8006#endif /* CONFIG_P2P */
8007
ef24ad3e 8008 if (os_strstr(param, "use_monitor=1"))
327b01d3 8009 drv->use_monitor = 1;
327b01d3
JM		 8010
8011 if (os_strstr(param, "force_connect_cmd=1")) {
327b01d3 8012 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 8013 drv->force_connect_cmd = 1;
327b01d3
JM		 8014 }
8015
ef24ad3e 8016 if (os_strstr(param, "force_bss_selection=1"))
4d584d8c 8017 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
4d584d8c 8018
64abb725 8019 if (os_strstr(param, "no_offchannel_tx=1")) {
64abb725
JM		 8020 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
8021 drv->test_use_roc_tx = 1;
8022 }
8023
c52129be
JM		 8024 if (os_strstr(param, "control_port=0"))
8025 drv->capa.flags &= ~WPA_DRIVER_FLAGS_CONTROL_PORT;
8026
c55f774d
JM		 8027 return 0;
8028}
8029
8030
45e3fc72 8031static void * nl80211_global_init(void *ctx)
f2ed8023
JM		 8032{
8033 struct nl80211_global *global;
36d84860
BG		 8034 struct netlink_config *cfg;
8035
f2ed8023
JM		 8036 global = os_zalloc(sizeof(*global));
8037 if (global == NULL)
8038 return NULL;
45e3fc72 8039 global->ctx = ctx;
c81eff1a 8040 global->ioctl_sock = -1;
f2ed8023 8041 dl_list_init(&global->interfaces);
ff6a158b 8042 global->if_add_ifindex = -1;
36d84860
BG		 8043
8044 cfg = os_zalloc(sizeof(*cfg));
8045 if (cfg == NULL)
8046 goto err;
8047
8048 cfg->ctx = global;
8049 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
8050 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
8051 global->netlink = netlink_init(cfg);
8052 if (global->netlink == NULL) {
8053 os_free(cfg);
8054 goto err;
8055 }
8056
2a7b66f5
BG		 8057 if (wpa_driver_nl80211_init_nl_global(global) < 0)
8058 goto err;
8059
c81eff1a
BG		 8060 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
8061 if (global->ioctl_sock < 0) {
7ac3616d
JM		 8062 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
8063 strerror(errno));
c81eff1a
BG		 8064 goto err;
8065 }
8066
f2ed8023 8067 return global;
36d84860
BG		 8068
8069err:
8070 nl80211_global_deinit(global);
8071 return NULL;
f2ed8023
JM		 8072}
8073
8074
8075static void nl80211_global_deinit(void *priv)
8076{
8077 struct nl80211_global *global = priv;
8078 if (global == NULL)
8079 return;
8080 if (!dl_list_empty(&global->interfaces)) {
8081 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
8082 "nl80211_global_deinit",
8083 dl_list_len(&global->interfaces));
8084 }
36d84860
BG		 8085
8086 if (global->netlink)
8087 netlink_deinit(global->netlink);
8088
276e2d67
BG		 8089 nl_destroy_handles(&global->nl);
8090
5f65e9f7 8091 if (global->nl_event)
40a68f33 8092 nl80211_destroy_eloop_handle(&global->nl_event, 0);
d6c9aab8
JB		 8093
8094 nl_cb_put(global->nl_cb);
2a7b66f5 8095
c81eff1a
BG		 8096 if (global->ioctl_sock >= 0)
8097 close(global->ioctl_sock);
8098
f2ed8023
JM		 8099 os_free(global);
8100}
8101
8102
6859f1cb
BG		 8103static const char * nl80211_get_radio_name(void *priv)
8104{
8105 struct i802_bss *bss = priv;
8106 struct wpa_driver_nl80211_data *drv = bss->drv;
8107 return drv->phyname;
8108}
8109
8110
061a3d3d
VK		 8111static int nl80211_pmkid(struct i802_bss *bss, int cmd,
8112 struct wpa_pmkid_params *params)
a6efc65d
JM		 8113{
8114 struct nl_msg *msg;
0887215d 8115 const size_t PMK_MAX_LEN = 48; /* current cfg80211 limit */
a6efc65d 8116
13f83980 8117 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
061a3d3d
VK		 8118 (params->pmkid &&
8119 nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
8120 (params->bssid &&
8121 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
8122 (params->ssid_len &&
8123 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
8124 (params->fils_cache_id &&
8125 nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
8126 params->fils_cache_id)) ||
c6ec9759 8127 (cmd != NL80211_CMD_DEL_PMKSA &&
8128 params->pmk_len && params->pmk_len <= PMK_MAX_LEN &&
061a3d3d 8129 nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
6110753b 8130 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 8131 nlmsg_free(msg);
8132 return -ENOBUFS;
8133 }
a6efc65d 8134
6110753b 8135 return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1);
a6efc65d
JM		 8136}
8137
8138
6fbb5414 8139static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 8140{
8141 struct i802_bss *bss = priv;
e7f6e6ee 8142 int ret;
061a3d3d
VK		 8143
8144 if (params->bssid)
8145 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
8146 MAC2STR(params->bssid));
8147 else if (params->fils_cache_id && params->ssid_len) {
8148 wpa_printf(MSG_DEBUG,
8149 "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
8150 params->fils_cache_id[0], params->fils_cache_id[1],
8151 wpa_ssid_txt(params->ssid, params->ssid_len));
8152 }
8153
e7f6e6ee
JM		 8154 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params);
8155 if (ret < 0) {
8156 wpa_printf(MSG_DEBUG,
8157 "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)",
8158 ret, strerror(-ret));
8159 }
8160
8161 return ret;
a6efc65d
JM		 8162}
8163
8164
6fbb5414 8165static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM		 8166{
8167 struct i802_bss *bss = priv;
e7f6e6ee 8168 int ret;
061a3d3d
VK		 8169
8170 if (params->bssid)
8171 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
8172 MAC2STR(params->bssid));
8173 else if (params->fils_cache_id && params->ssid_len) {
8174 wpa_printf(MSG_DEBUG,
8175 "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
8176 params->fils_cache_id[0], params->fils_cache_id[1],
8177 wpa_ssid_txt(params->ssid, params->ssid_len));
8178 }
8179
e7f6e6ee
JM		 8180 ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params);
8181 if (ret < 0) {
8182 wpa_printf(MSG_DEBUG,
8183 "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)",
8184 ret, strerror(-ret));
8185 }
8186
8187 return ret;
a6efc65d
JM		 8188}
8189
8190
8191static int nl80211_flush_pmkid(void *priv)
8192{
8193 struct i802_bss *bss = priv;
061a3d3d
VK		 8194 struct nl_msg *msg;
8195
a6efc65d 8196 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
061a3d3d
VK		 8197 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
8198 if (!msg)
8199 return -ENOBUFS;
8200 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 8201}
8202
8203
0185007c
MK		 8204static void clean_survey_results(struct survey_results *survey_results)
8205{
8206 struct freq_survey *survey, *tmp;
8207
8208 if (dl_list_empty(&survey_results->survey_list))
8209 return;
8210
8211 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
8212 struct freq_survey, list) {
8213 dl_list_del(&survey->list);
8214 os_free(survey);
8215 }
8216}
8217
8218
8219static void add_survey(struct nlattr **sinfo, u32 ifidx,
8220 struct dl_list *survey_list)
8221{
8222 struct freq_survey *survey;
8223
8224 survey = os_zalloc(sizeof(struct freq_survey));
8225 if (!survey)
8226 return;
8227
8228 survey->ifidx = ifidx;
8229 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8230 survey->filled = 0;
8231
8232 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
8233 survey->nf = (int8_t)
8234 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
8235 survey->filled |= SURVEY_HAS_NF;
8236 }
8237
8238 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
8239 survey->channel_time =
8240 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
8241 survey->filled |= SURVEY_HAS_CHAN_TIME;
8242 }
8243
8244 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
8245 survey->channel_time_busy =
8246 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
8247 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
8248 }
8249
8250 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
8251 survey->channel_time_rx =
8252 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
8253 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
8254 }
8255
8256 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
8257 survey->channel_time_tx =
8258 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
8259 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
8260 }
8261
8262 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)",
8263 survey->freq,
8264 survey->nf,
8265 (unsigned long int) survey->channel_time,
8266 (unsigned long int) survey->channel_time_busy,
8267 (unsigned long int) survey->channel_time_tx,
8268 (unsigned long int) survey->channel_time_rx,
8269 survey->filled);
8270
8271 dl_list_add_tail(survey_list, &survey->list);
8272}
8273
8274
8275static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
8276 unsigned int freq_filter)
8277{
8278 if (!freq_filter)
8279 return 1;
8280
8281 return freq_filter == surveyed_freq;
8282}
8283
8284
8285static int survey_handler(struct nl_msg *msg, void *arg)
8286{
8287 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8288 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8289 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
8290 struct survey_results *survey_results;
8291 u32 surveyed_freq = 0;
8292 u32 ifidx;
8293
8294 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
8295 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
8296 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
8297 };
8298
8299 survey_results = (struct survey_results *) arg;
8300
8301 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8302 genlmsg_attrlen(gnlh, 0), NULL);
8303
e28f39b7
SJ		 8304 if (!tb[NL80211_ATTR_IFINDEX])
8305 return NL_SKIP;
8306
0185007c
MK		 8307 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
8308
8309 if (!tb[NL80211_ATTR_SURVEY_INFO])
8310 return NL_SKIP;
8311
8312 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
8313 tb[NL80211_ATTR_SURVEY_INFO],
8314 survey_policy))
8315 return NL_SKIP;
8316
8317 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
8318 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
8319 return NL_SKIP;
8320 }
8321
8322 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8323
8324 if (!check_survey_ok(sinfo, surveyed_freq,
8325 survey_results->freq_filter))
8326 return NL_SKIP;
8327
8328 if (survey_results->freq_filter &&
8329 survey_results->freq_filter != surveyed_freq) {
8330 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
8331 surveyed_freq);
8332 return NL_SKIP;
8333 }
8334
8335 add_survey(sinfo, ifidx, &survey_results->survey_list);
8336
8337 return NL_SKIP;
8338}
8339
8340
8341static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
8342{
8343 struct i802_bss *bss = priv;
8344 struct wpa_driver_nl80211_data *drv = bss->drv;
8345 struct nl_msg *msg;
9725b784 8346 int err;
0185007c
MK		 8347 union wpa_event_data data;
8348 struct survey_results *survey_results;
8349
8350 os_memset(&data, 0, sizeof(data));
8351 survey_results = &data.survey_results;
8352
8353 dl_list_init(&survey_results->survey_list);
8354
9725b784 8355 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 8356 if (!msg)
a862e4a3 8357 return -ENOBUFS;
0185007c 8358
0185007c
MK		 8359 if (freq)
8360 data.survey_results.freq_filter = freq;
8361
8362 do {
8363 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
8364 err = send_and_recv_msgs(drv, msg, survey_handler,
8365 survey_results);
8366 } while (err > 0);
8367
a862e4a3 8368 if (err)
0185007c 8369 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM		 8370 else
8371 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 8372
0185007c 8373 clean_survey_results(survey_results);
0185007c
MK		 8374 return err;
8375}
8376
8377
98cd3d1c
JM		 8378static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
8379 const u8 *kck, size_t kck_len,
b14a210c
JB		 8380 const u8 *replay_ctr)
8381{
8382 struct i802_bss *bss = priv;
8383 struct wpa_driver_nl80211_data *drv = bss->drv;
8384 struct nlattr *replay_nested;
8385 struct nl_msg *msg;
64ae2447 8386 int ret;
b14a210c 8387
64ae2447
JM		 8388 if (!drv->set_rekey_offload)
8389 return;
8390
8391 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
13f83980 8392 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3 8393 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
98cd3d1c 8394 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
b6ea7642 8395 (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
a862e4a3
JM		 8396 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
8397 replay_ctr)) {
bbd89bfc 8398 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 8399 nlmsg_free(msg);
8400 return;
8401 }
b14a210c
JB		 8402
8403 nla_nest_end(msg, replay_nested);
8404
64ae2447
JM		 8405 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
8406 if (ret == -EOPNOTSUPP) {
8407 wpa_printf(MSG_DEBUG,
8408 "nl80211: Driver does not support rekey offload");
8409 drv->set_rekey_offload = 0;
8410 }
b14a210c
JB		 8411}
8412
8413
39718852
JB		 8414static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
8415 const u8 *addr, int qos)
bcf24348 8416{
39718852
JB		 8417 /* send data frame to poll STA and check whether
8418 * this frame is ACKed */
bcf24348
JB		 8419 struct {
8420 struct ieee80211_hdr hdr;
8421 u16 qos_ctl;
8422 } STRUCT_PACKED nulldata;
8423 size_t size;
8424
8425 /* Send data frame to poll STA and check whether this frame is ACKed */
8426
8427 os_memset(&nulldata, 0, sizeof(nulldata));
8428
8429 if (qos) {
8430 nulldata.hdr.frame_control =
8431 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8432 WLAN_FC_STYPE_QOS_NULL);
8433 size = sizeof(nulldata);
8434 } else {
8435 nulldata.hdr.frame_control =
8436 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8437 WLAN_FC_STYPE_NULLFUNC);
8438 size = sizeof(struct ieee80211_hdr);
8439 }
8440
8441 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
8442 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
8443 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
8444 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
8445
9ebce9c5 8446 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
27cc06d0 8447 0, 0, NULL, 0, 0) < 0)
bcf24348
JB		 8448 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
8449 "send poll frame");
8450}
8451
39718852
JB		 8452static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
8453 int qos)
8454{
8455 struct i802_bss *bss = priv;
8456 struct wpa_driver_nl80211_data *drv = bss->drv;
8457 struct nl_msg *msg;
323a51cc 8458 u64 cookie;
fc99fab7 8459 int ret;
39718852
JB		 8460
8461 if (!drv->poll_command_supported) {
8462 nl80211_send_null_frame(bss, own_addr, addr, qos);
8463 return;
8464 }
8465
13f83980 8466 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM		 8467 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8468 nlmsg_free(msg);
8469 return;
8470 }
39718852 8471
323a51cc 8472 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
fc99fab7
JM		 8473 if (ret < 0) {
8474 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
8475 MACSTR " failed: ret=%d (%s)",
8476 MAC2STR(addr), ret, strerror(-ret));
323a51cc
IP		 8477 } else {
8478 wpa_printf(MSG_DEBUG,
8479 "nl80211: Client probe request addr=" MACSTR
8480 " cookie=%llu", MAC2STR(addr),
8481 (long long unsigned int) cookie);
fc99fab7 8482 }
39718852
JB		 8483}
8484
bcf24348 8485
29f338af
JM		 8486static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
8487{
8488 struct nl_msg *msg;
1baa130b 8489 int ret;
29f338af 8490
13f83980 8491 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM		 8492 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
8493 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
8494 nlmsg_free(msg);
8495 return -ENOBUFS;
8496 }
1baa130b
JM		 8497
8498 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8499 if (ret < 0) {
8500 wpa_printf(MSG_DEBUG,
8501 "nl80211: Setting PS state %s failed: %d (%s)",
8502 enabled ? "enabled" : "disabled",
8503 ret, strerror(-ret));
8504 }
8505 return ret;
29f338af
JM		 8506}
8507
8508
8509static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
8510 int ctwindow)
8511{
8512 struct i802_bss *bss = priv;
8513
8514 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
8515 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
8516
0de38036
JM		 8517 if (opp_ps != -1 || ctwindow != -1) {
8518#ifdef ANDROID_P2P
8519 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
8520#else /* ANDROID_P2P */
29f338af 8521 return -1; /* Not yet supported */
0de38036
JM		 8522#endif /* ANDROID_P2P */
8523 }
29f338af
JM		 8524
8525 if (legacy_ps == -1)
8526 return 0;
8527 if (legacy_ps != 0 && legacy_ps != 1)
8528 return -1; /* Not yet supported */
8529
8530 return nl80211_set_power_save(bss, legacy_ps);
8531}
8532
8533
04e8003c
JD		 8534static int nl80211_start_radar_detection(void *priv,
8535 struct hostapd_freq_params *freq)
f90e9c1c
SW		 8536{
8537 struct i802_bss *bss = priv;
8538 struct wpa_driver_nl80211_data *drv = bss->drv;
8539 struct nl_msg *msg;
8540 int ret;
8541
ad9a1bfe
JC		 8542 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)",
8543 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
04e8003c
JD		 8544 freq->bandwidth, freq->center_freq1, freq->center_freq2);
8545
f90e9c1c
SW		 8546 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
8547 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
8548 "detection");
8549 return -1;
8550 }
8551
9725b784 8552 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM		 8553 nl80211_put_freq_params(msg, freq) < 0) {
8554 nlmsg_free(msg);
8555 return -1;
8556 }
f90e9c1c
SW		 8557
8558 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8559 if (ret == 0)
8560 return 0;
8561 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
8562 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW		 8563 return -1;
8564}
8565
03ea1786
AN		 8566#ifdef CONFIG_TDLS
8567
8568static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
8569 u8 dialog_token, u16 status_code,
984dadc2
AN		 8570 u32 peer_capab, int initiator, const u8 *buf,
8571 size_t len)
03ea1786
AN		 8572{
8573 struct i802_bss *bss = priv;
8574 struct wpa_driver_nl80211_data *drv = bss->drv;
8575 struct nl_msg *msg;
8576
8577 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8578 return -EOPNOTSUPP;
8579
8580 if (!dst)
8581 return -EINVAL;
8582
9725b784 8583 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM		 8584 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
8585 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
8586 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
8587 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
8588 goto fail;
96ecea5e
SD		 8589 if (peer_capab) {
8590 /*
8591 * The internal enum tdls_peer_capability definition is
8592 * currently identical with the nl80211 enum
8593 * nl80211_tdls_peer_capability, so no conversion is needed
8594 * here.
8595 */
a862e4a3
JM		 8596 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
8597 peer_capab))
8598 goto fail;
96ecea5e 8599 }
a862e4a3
JM		 8600 if ((initiator &&
8601 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
8602 nla_put(msg, NL80211_ATTR_IE, len, buf))
8603 goto fail;
03ea1786
AN		 8604
8605 return send_and_recv_msgs(drv, msg, NULL, NULL);
8606
a862e4a3 8607fail:
03ea1786
AN		 8608 nlmsg_free(msg);
8609 return -ENOBUFS;
8610}
8611
8612
8613static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
8614{
8615 struct i802_bss *bss = priv;
8616 struct wpa_driver_nl80211_data *drv = bss->drv;
8617 struct nl_msg *msg;
8618 enum nl80211_tdls_operation nl80211_oper;
b2442f25 8619 int res;
03ea1786
AN		 8620
8621 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8622 return -EOPNOTSUPP;
8623
8624 switch (oper) {
8625 case TDLS_DISCOVERY_REQ:
8626 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
8627 break;
8628 case TDLS_SETUP:
8629 nl80211_oper = NL80211_TDLS_SETUP;
8630 break;
8631 case TDLS_TEARDOWN:
8632 nl80211_oper = NL80211_TDLS_TEARDOWN;
8633 break;
8634 case TDLS_ENABLE_LINK:
8635 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
8636 break;
8637 case TDLS_DISABLE_LINK:
8638 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
8639 break;
8640 case TDLS_ENABLE:
8641 return 0;
8642 case TDLS_DISABLE:
8643 return 0;
8644 default:
8645 return -EINVAL;
8646 }
8647
9725b784 8648 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 8649 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM		 8650 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
8651 nlmsg_free(msg);
8652 return -ENOBUFS;
8653 }
03ea1786 8654
b2442f25
JM		 8655 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8656 wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
8657 " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
8658 strerror(-res));
8659 return res;
03ea1786
AN		 8660}
8661
72b2605f
AN		 8662
8663static int
8664nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
8665 const struct hostapd_freq_params *params)
8666{
8667 struct i802_bss *bss = priv;
8668 struct wpa_driver_nl80211_data *drv = bss->drv;
8669 struct nl_msg *msg;
8670 int ret = -ENOBUFS;
8671
8672 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8673 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8674 return -EOPNOTSUPP;
8675
8676 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
8677 " oper_class=%u freq=%u",
8678 MAC2STR(addr), oper_class, params->freq);
8679 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
8680 if (!msg ||
8681 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8682 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
8683 (ret = nl80211_put_freq_params(msg, params))) {
8684 nlmsg_free(msg);
8685 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
8686 return ret;
8687 }
8688
8689 return send_and_recv_msgs(drv, msg, NULL, NULL);
8690}
8691
8692
8693static int
8694nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
8695{
8696 struct i802_bss *bss = priv;
8697 struct wpa_driver_nl80211_data *drv = bss->drv;
8698 struct nl_msg *msg;
8699
8700 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8701 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8702 return -EOPNOTSUPP;
8703
8704 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
8705 MAC2STR(addr));
8706 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
8707 if (!msg ||
8708 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8709 nlmsg_free(msg);
8710 wpa_printf(MSG_DEBUG,
8711 "nl80211: Could not build TDLS cancel chan switch");
8712 return -ENOBUFS;
8713 }
8714
8715 return send_and_recv_msgs(drv, msg, NULL, NULL);
8716}
8717
03ea1786
AN		 8718#endif /* CONFIG TDLS */
8719
8720
f8225464
JM		 8721static int driver_nl80211_set_key(void *priv,
8722 struct wpa_driver_set_key_params *params)
9ebce9c5
JM		 8723{
8724 struct i802_bss *bss = priv;
f8225464
JM		 8725 const char *ifname = params->ifname;
8726 enum wpa_alg alg = params->alg;
8727 const u8 *addr = params->addr;
8728 int key_idx = params->key_idx;
8729 int set_tx = params->set_tx;
8730 const u8 *seq = params->seq;
8731 size_t seq_len = params->seq_len;
8732 const u8 *key = params->key;
8733 size_t key_len = params->key_len;
0f903f37 8734 int vlan_id = params->vlan_id;
f8225464 8735
9ebce9c5 8736 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
0f903f37
GG		 8737 vlan_id, set_tx, seq, seq_len, key,
8738 key_len);
9ebce9c5
JM		 8739}
8740
8741
8742static int driver_nl80211_scan2(void *priv,
8743 struct wpa_driver_scan_params *params)
8744{
8745 struct i802_bss *bss = priv;
b658547d 8746#ifdef CONFIG_DRIVER_NL80211_QCA
adcd7c4b
KV		 8747 struct wpa_driver_nl80211_data *drv = bss->drv;
8748
8749 /*
8750 * Do a vendor specific scan if possible. If only_new_results is
8751 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
8752 * cannot be achieved through a vendor scan. The below condition may
8753 * need to be modified if new scan flags are added in the future whose
8754 * functionality can only be achieved through a normal scan.
8755 */
8756 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
8757 return wpa_driver_nl80211_vendor_scan(bss, params);
b658547d 8758#endif /* CONFIG_DRIVER_NL80211_QCA */
9ebce9c5
JM		 8759 return wpa_driver_nl80211_scan(bss, params);
8760}
8761
8762
8763static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
4be17ffb 8764 u16 reason_code)
9ebce9c5
JM		 8765{
8766 struct i802_bss *bss = priv;
8767 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
8768}
8769
8770
8771static int driver_nl80211_authenticate(void *priv,
8772 struct wpa_driver_auth_params *params)
8773{
8774 struct i802_bss *bss = priv;
8775 return wpa_driver_nl80211_authenticate(bss, params);
8776}
8777
8778
8779static void driver_nl80211_deinit(void *priv)
8780{
8781 struct i802_bss *bss = priv;
8782 wpa_driver_nl80211_deinit(bss);
8783}
8784
8785
8786static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
8787 const char *ifname)
8788{
8789 struct i802_bss *bss = priv;
8790 return wpa_driver_nl80211_if_remove(bss, type, ifname);
8791}
8792
8793
8794static int driver_nl80211_send_mlme(void *priv, const u8 *data,
5d180a77 8795 size_t data_len, int noack,
2d3943ce 8796 unsigned int freq,
665a3007
JM		 8797 const u16 *csa_offs, size_t csa_offs_len,
8798 int no_encrypt)
9ebce9c5
JM		 8799{
8800 struct i802_bss *bss = priv;
8801 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
2d3943ce 8802 freq, 0, 0, 0, csa_offs,
27cc06d0 8803 csa_offs_len, no_encrypt);
9ebce9c5
JM		 8804}
8805
8806
8807static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
8808{
8809 struct i802_bss *bss = priv;
59d7148a 8810 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 8811}
8812
8813
9ebce9c5
JM		 8814static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
8815 const char *ifname, int vlan_id)
8816{
8817 struct i802_bss *bss = priv;
8818 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
8819}
9ebce9c5
JM		 8820
8821
8822static int driver_nl80211_read_sta_data(void *priv,
8823 struct hostap_sta_driver_data *data,
8824 const u8 *addr)
8825{
8826 struct i802_bss *bss = priv;
7824bf77
JC		 8827
8828 os_memset(data, 0, sizeof(*data));
9ebce9c5
JM		 8829 return i802_read_sta_data(bss, data, addr);
8830}
8831
8832
8833static int driver_nl80211_send_action(void *priv, unsigned int freq,
8834 unsigned int wait_time,
8835 const u8 *dst, const u8 *src,
8836 const u8 *bssid,
8837 const u8 *data, size_t data_len,
8838 int no_cck)
8839{
8840 struct i802_bss *bss = priv;
8841 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
8842 bssid, data, data_len, no_cck);
8843}
8844
8845
8846static int driver_nl80211_probe_req_report(void *priv, int report)
8847{
8848 struct i802_bss *bss = priv;
8849 return wpa_driver_nl80211_probe_req_report(bss, report);
8850}
8851
8852
6a1ce395
DG		 8853static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
8854 const u8 *ies, size_t ies_len)
8855{
8856 int ret;
8857 struct nl_msg *msg;
8858 struct i802_bss *bss = priv;
8859 struct wpa_driver_nl80211_data *drv = bss->drv;
8860 u16 mdid = WPA_GET_LE16(md);
8861
6a1ce395 8862 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 8863 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM		 8864 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
8865 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
8866 nlmsg_free(msg);
8867 return -ENOBUFS;
8868 }
6a1ce395
DG		 8869
8870 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8871 if (ret) {
8872 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
8873 "err=%d (%s)", ret, strerror(-ret));
8874 }
8875
8876 return ret;
6a1ce395
DG		 8877}
8878
8879
d1836e23
LD		 8880static int nl80211_update_dh_ie(void *priv, const u8 *peer_mac,
8881 u16 reason_code, const u8 *ie, size_t ie_len)
8882{
8883 int ret;
8884 struct nl_msg *msg;
8885 struct i802_bss *bss = priv;
8886 struct wpa_driver_nl80211_data *drv = bss->drv;
8887
8888 wpa_printf(MSG_DEBUG, "nl80211: Updating DH IE peer: " MACSTR
8889 " reason %u", MAC2STR(peer_mac), reason_code);
8890 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UPDATE_OWE_INFO)) ||
8891 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_mac) ||
8892 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, reason_code) ||
8893 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) {
8894 nlmsg_free(msg);
8895 return -ENOBUFS;
8896 }
8897
8898 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8899 if (ret) {
8900 wpa_printf(MSG_DEBUG,
8901 "nl80211: update_dh_ie failed err=%d (%s)",
8902 ret, strerror(-ret));
8903 }
8904
8905 return ret;
8906}
8907
8908
47754718 8909static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
597b94f5
AS		 8910{
8911 struct i802_bss *bss = priv;
8912 struct wpa_driver_nl80211_data *drv = bss->drv;
8913
8914 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
8915 return NULL;
8916
8917 return bss->addr;
8918}
8919
8920
a771c07d
JM		 8921static const char * scan_state_str(enum scan_states scan_state)
8922{
8923 switch (scan_state) {
8924 case NO_SCAN:
8925 return "NO_SCAN";
8926 case SCAN_REQUESTED:
8927 return "SCAN_REQUESTED";
8928 case SCAN_STARTED:
8929 return "SCAN_STARTED";
8930 case SCAN_COMPLETED:
8931 return "SCAN_COMPLETED";
8932 case SCAN_ABORTED:
8933 return "SCAN_ABORTED";
8934 case SCHED_SCAN_STARTED:
8935 return "SCHED_SCAN_STARTED";
8936 case SCHED_SCAN_STOPPED:
8937 return "SCHED_SCAN_STOPPED";
8938 case SCHED_SCAN_RESULTS:
8939 return "SCHED_SCAN_RESULTS";
8940 }
8941
8942 return "??";
8943}
8944
8945
8946static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
8947{
8948 struct i802_bss *bss = priv;
8949 struct wpa_driver_nl80211_data *drv = bss->drv;
8950 int res;
8951 char *pos, *end;
fea49f8f
JM		 8952 struct nl_msg *msg;
8953 char alpha2[3] = { 0, 0, 0 };
a771c07d
JM		 8954
8955 pos = buf;
8956 end = buf + buflen;
8957
8958 res = os_snprintf(pos, end - pos,
8959 "ifindex=%d\n"
8960 "ifname=%s\n"
8961 "brname=%s\n"
8962 "addr=" MACSTR "\n"
8963 "freq=%d\n"
c809756f 8964 "%s%s%s%s%s%s",
a771c07d
JM		 8965 bss->ifindex,
8966 bss->ifname,
8967 bss->brname,
8968 MAC2STR(bss->addr),
8969 bss->freq,
8970 bss->beacon_set ? "beacon_set=1\n" : "",
8971 bss->added_if_into_bridge ?
8972 "added_if_into_bridge=1\n" : "",
c809756f 8973 bss->already_in_bridge ? "already_in_bridge=1\n" : "",
a771c07d
JM		 8974 bss->added_bridge ? "added_bridge=1\n" : "",
8975 bss->in_deinit ? "in_deinit=1\n" : "",
8976 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 8977 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8978 return pos - buf;
8979 pos += res;
8980
8981 if (bss->wdev_id_set) {
8982 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
8983 (unsigned long long) bss->wdev_id);
d85e1fc8 8984 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8985 return pos - buf;
8986 pos += res;
8987 }
8988
8989 res = os_snprintf(pos, end - pos,
8990 "phyname=%s\n"
fee354c7 8991 "perm_addr=" MACSTR "\n"
a771c07d
JM		 8992 "drv_ifindex=%d\n"
8993 "operstate=%d\n"
8994 "scan_state=%s\n"
8995 "auth_bssid=" MACSTR "\n"
8996 "auth_attempt_bssid=" MACSTR "\n"
8997 "bssid=" MACSTR "\n"
8998 "prev_bssid=" MACSTR "\n"
8999 "associated=%d\n"
9000 "assoc_freq=%u\n"
9001 "monitor_sock=%d\n"
9002 "monitor_ifidx=%d\n"
9003 "monitor_refcount=%d\n"
9004 "last_mgmt_freq=%u\n"
9005 "eapol_tx_sock=%d\n"
97752f79 9006 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 9007 drv->phyname,
fee354c7 9008 MAC2STR(drv->perm_addr),
a771c07d
JM		 9009 drv->ifindex,
9010 drv->operstate,
9011 scan_state_str(drv->scan_state),
9012 MAC2STR(drv->auth_bssid),
9013 MAC2STR(drv->auth_attempt_bssid),
9014 MAC2STR(drv->bssid),
9015 MAC2STR(drv->prev_bssid),
9016 drv->associated,
9017 drv->assoc_freq,
9018 drv->monitor_sock,
9019 drv->monitor_ifidx,
9020 drv->monitor_refcount,
9021 drv->last_mgmt_freq,
9022 drv->eapol_tx_sock,
9023 drv->ignore_if_down_event ?
9024 "ignore_if_down_event=1\n" : "",
9025 drv->scan_complete_events ?
9026 "scan_complete_events=1\n" : "",
9027 drv->disabled_11b_rates ?
9028 "disabled_11b_rates=1\n" : "",
9029 drv->pending_remain_on_chan ?
9030 "pending_remain_on_chan=1\n" : "",
9031 drv->in_interface_list ? "in_interface_list=1\n" : "",
9032 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
9033 drv->poll_command_supported ?
9034 "poll_command_supported=1\n" : "",
9035 drv->data_tx_status ? "data_tx_status=1\n" : "",
9036 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
9037 drv->retry_auth ? "retry_auth=1\n" : "",
9038 drv->use_monitor ? "use_monitor=1\n" : "",
9039 drv->ignore_next_local_disconnect ?
9040 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 9041 drv->ignore_next_local_deauth ?
97752f79 9042 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 9043 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9044 return pos - buf;
9045 pos += res;
9046
9047 if (drv->has_capability) {
9048 res = os_snprintf(pos, end - pos,
9049 "capa.key_mgmt=0x%x\n"
9050 "capa.enc=0x%x\n"
9051 "capa.auth=0x%x\n"
24bd4e0b 9052 "capa.flags=0x%llx\n"
a0a34d53 9053 "capa.rrm_flags=0x%x\n"
a771c07d
JM		 9054 "capa.max_scan_ssids=%d\n"
9055 "capa.max_sched_scan_ssids=%d\n"
9056 "capa.sched_scan_supported=%d\n"
9057 "capa.max_match_sets=%d\n"
9058 "capa.max_remain_on_chan=%u\n"
9059 "capa.max_stations=%u\n"
9060 "capa.probe_resp_offloads=0x%x\n"
9061 "capa.max_acl_mac_addrs=%u\n"
86056fea
IP		 9062 "capa.num_multichan_concurrent=%u\n"
9063 "capa.mac_addr_rand_sched_scan_supported=%d\n"
079a28f7
AK		 9064 "capa.mac_addr_rand_scan_supported=%d\n"
9065 "capa.conc_capab=%u\n"
9066 "capa.max_conc_chan_2_4=%u\n"
09ea4309
AS		 9067 "capa.max_conc_chan_5_0=%u\n"
9068 "capa.max_sched_scan_plans=%u\n"
9069 "capa.max_sched_scan_plan_interval=%u\n"
9070 "capa.max_sched_scan_plan_iterations=%u\n",
a771c07d
JM		 9071 drv->capa.key_mgmt,
9072 drv->capa.enc,
9073 drv->capa.auth,
24bd4e0b 9074 (unsigned long long) drv->capa.flags,
a0a34d53 9075 drv->capa.rrm_flags,
a771c07d
JM		 9076 drv->capa.max_scan_ssids,
9077 drv->capa.max_sched_scan_ssids,
9078 drv->capa.sched_scan_supported,
9079 drv->capa.max_match_sets,
9080 drv->capa.max_remain_on_chan,
9081 drv->capa.max_stations,
9082 drv->capa.probe_resp_offloads,
9083 drv->capa.max_acl_mac_addrs,
86056fea
IP		 9084 drv->capa.num_multichan_concurrent,
9085 drv->capa.mac_addr_rand_sched_scan_supported,
079a28f7
AK		 9086 drv->capa.mac_addr_rand_scan_supported,
9087 drv->capa.conc_capab,
9088 drv->capa.max_conc_chan_2_4,
09ea4309
AS		 9089 drv->capa.max_conc_chan_5_0,
9090 drv->capa.max_sched_scan_plans,
9091 drv->capa.max_sched_scan_plan_interval,
9092 drv->capa.max_sched_scan_plan_iterations);
d85e1fc8 9093 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 9094 return pos - buf;
9095 pos += res;
9096 }
9097
fea49f8f
JM		 9098 msg = nlmsg_alloc();
9099 if (msg &&
9100 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
9101 nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
9102 if (send_and_recv_msgs(drv, msg, nl80211_get_country,
9103 alpha2) == 0 &&
9104 alpha2[0]) {
9105 res = os_snprintf(pos, end - pos, "country=%s\n",
9106 alpha2);
9107 if (os_snprintf_error(end - pos, res))
9108 return pos - buf;
9109 pos += res;
9110 }
9111 } else {
9112 nlmsg_free(msg);
9113 }
9114
a771c07d
JM		 9115 return pos - buf;
9116}
9117
9118
1c4ffa87
AO		 9119static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
9120{
a862e4a3
JM		 9121 if ((settings->head &&
9122 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
9123 settings->head_len, settings->head)) ||
9124 (settings->tail &&
9125 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
9126 settings->tail_len, settings->tail)) ||
9127 (settings->beacon_ies &&
9128 nla_put(msg, NL80211_ATTR_IE,
9129 settings->beacon_ies_len, settings->beacon_ies)) ||
9130 (settings->proberesp_ies &&
9131 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
9132 settings->proberesp_ies_len, settings->proberesp_ies)) ||
9133 (settings->assocresp_ies &&
9134 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
9135 settings->assocresp_ies_len, settings->assocresp_ies)) ||
9136 (settings->probe_resp &&
9137 nla_put(msg, NL80211_ATTR_PROBE_RESP,
9138 settings->probe_resp_len, settings->probe_resp)))
9139 return -ENOBUFS;
1c4ffa87
AO		 9140
9141 return 0;
1c4ffa87
AO		 9142}
9143
9144
9145static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
9146{
9147 struct nl_msg *msg;
9148 struct i802_bss *bss = priv;
9149 struct wpa_driver_nl80211_data *drv = bss->drv;
9150 struct nlattr *beacon_csa;
9151 int ret = -ENOBUFS;
366179d2
AO		 9152 int csa_off_len = 0;
9153 int i;
1c4ffa87 9154
8d1fdde7 9155 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 9156 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 9157 settings->freq_params.freq, settings->freq_params.bandwidth,
9158 settings->freq_params.center_freq1,
9159 settings->freq_params.center_freq2);
1c4ffa87 9160
991aa9c7 9161 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 9162 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
9163 return -EOPNOTSUPP;
9164 }
9165
0928b629
PO		 9166 if (drv->nlmode != NL80211_IFTYPE_AP &&
9167 drv->nlmode != NL80211_IFTYPE_P2P_GO &&
9168 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
1c4ffa87
AO		 9169 return -EOPNOTSUPP;
9170
366179d2
AO		 9171 /*
9172 * Remove empty counters, assuming Probe Response and Beacon frame
9173 * counters match. This implementation assumes that there are only two
9174 * counters.
9175 */
9176 if (settings->counter_offset_beacon[0] &&
9177 !settings->counter_offset_beacon[1]) {
9178 csa_off_len = 1;
9179 } else if (settings->counter_offset_beacon[1] &&
9180 !settings->counter_offset_beacon[0]) {
9181 csa_off_len = 1;
9182 settings->counter_offset_beacon[0] =
9183 settings->counter_offset_beacon[1];
9184 settings->counter_offset_presp[0] =
9185 settings->counter_offset_presp[1];
9186 } else if (settings->counter_offset_beacon[1] &&
9187 settings->counter_offset_beacon[0]) {
9188 csa_off_len = 2;
9189 } else {
9190 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
9191 return -EINVAL;
9192 }
9193
9194 /* Check CSA counters validity */
9195 if (drv->capa.max_csa_counters &&
9196 csa_off_len > drv->capa.max_csa_counters) {
9197 wpa_printf(MSG_ERROR,
9198 "nl80211: Too many CSA counters provided");
1c4ffa87 9199 return -EINVAL;
366179d2 9200 }
1c4ffa87 9201
366179d2 9202 if (!settings->beacon_csa.tail)
1c4ffa87
AO		 9203 return -EINVAL;
9204
366179d2
AO		 9205 for (i = 0; i < csa_off_len; i++) {
9206 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
9207 u16 csa_c_off_presp = settings->counter_offset_presp[i];
9208
9209 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
9210 (settings->beacon_csa.tail[csa_c_off_bcn] !=
9211 settings->cs_count))
9212 return -EINVAL;
9213
9214 if (settings->beacon_csa.probe_resp &&
9215 ((settings->beacon_csa.probe_resp_len <=
9216 csa_c_off_presp) ||
9217 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
9218 settings->cs_count)))
9219 return -EINVAL;
9220 }
9221
13f83980 9222 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM		 9223 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
9224 settings->cs_count) ||
9225 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
9226 (settings->block_tx &&
9227 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO		 9228 goto error;
9229
1c4ffa87
AO		 9230 /* beacon_after params */
9231 ret = set_beacon_data(msg, &settings->beacon_after);
9232 if (ret)
9233 goto error;
9234
9235 /* beacon_csa params */
9236 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
9237 if (!beacon_csa)
a862e4a3 9238 goto fail;
1c4ffa87
AO		 9239
9240 ret = set_beacon_data(msg, &settings->beacon_csa);
9241 if (ret)
9242 goto error;
9243
366179d2
AO		 9244 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
9245 csa_off_len * sizeof(u16),
9246 settings->counter_offset_beacon) ||
a862e4a3 9247 (settings->beacon_csa.probe_resp &&
366179d2
AO		 9248 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
9249 csa_off_len * sizeof(u16),
9250 settings->counter_offset_presp)))
a862e4a3 9251 goto fail;
1c4ffa87
AO		 9252
9253 nla_nest_end(msg, beacon_csa);
9254 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9255 if (ret) {
9256 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
9257 ret, strerror(-ret));
9258 }
9259 return ret;
9260
a862e4a3 9261fail:
1c4ffa87
AO		 9262 ret = -ENOBUFS;
9263error:
9264 nlmsg_free(msg);
9265 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
9266 return ret;
9267}
9268
9269
dfa87878
MB		 9270static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
9271 u8 user_priority, u16 admitted_time)
9272{
9273 struct i802_bss *bss = priv;
9274 struct wpa_driver_nl80211_data *drv = bss->drv;
9275 struct nl_msg *msg;
9276 int ret;
9277
9278 wpa_printf(MSG_DEBUG,
9279 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
9280 tsid, admitted_time, user_priority);
9281
9282 if (!is_sta_interface(drv->nlmode))
9283 return -ENOTSUP;
9284
56f77852
JM		 9285 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
9286 if (!msg ||
a862e4a3
JM		 9287 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9288 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9289 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
9290 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
9291 nlmsg_free(msg);
9292 return -ENOBUFS;
9293 }
dfa87878
MB		 9294
9295 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9296 if (ret)
9297 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
9298 ret, strerror(-ret));
9299 return ret;
dfa87878
MB		 9300}
9301
9302
9303static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
9304{
9305 struct i802_bss *bss = priv;
9306 struct wpa_driver_nl80211_data *drv = bss->drv;
9307 struct nl_msg *msg;
9308 int ret;
9309
9310 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
9311
9312 if (!is_sta_interface(drv->nlmode))
9313 return -ENOTSUP;
9314
56f77852 9315 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM		 9316 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9317 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
9318 nlmsg_free(msg);
9319 return -ENOBUFS;
9320 }
dfa87878
MB		 9321
9322 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9323 if (ret)
9324 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
9325 ret, strerror(-ret));
9326 return ret;
dfa87878
MB		 9327}
9328
9329
6b9f7af6
JM		 9330#ifdef CONFIG_TESTING_OPTIONS
9331static int cmd_reply_handler(struct nl_msg *msg, void *arg)
9332{
9333 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9334 struct wpabuf *buf = arg;
9335
9336 if (!buf)
9337 return NL_SKIP;
9338
9339 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
9340 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
9341 return NL_SKIP;
9342 }
9343
9344 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
9345 genlmsg_attrlen(gnlh, 0));
9346
9347 return NL_SKIP;
9348}
9349#endif /* CONFIG_TESTING_OPTIONS */
9350
9351
adef8948
BL		 9352static int vendor_reply_handler(struct nl_msg *msg, void *arg)
9353{
9354 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9355 struct nlattr *nl_vendor_reply, *nl;
9356 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9357 struct wpabuf *buf = arg;
9358 int rem;
9359
9360 if (!buf)
9361 return NL_SKIP;
9362
9363 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9364 genlmsg_attrlen(gnlh, 0), NULL);
9365 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
9366
9367 if (!nl_vendor_reply)
9368 return NL_SKIP;
9369
9370 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
9371 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
9372 return NL_SKIP;
9373 }
9374
9375 nla_for_each_nested(nl, nl_vendor_reply, rem) {
9376 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
9377 }
9378
9379 return NL_SKIP;
9380}
9381
9382
9383static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
9384 unsigned int subcmd, const u8 *data,
9385 size_t data_len, struct wpabuf *buf)
9386{
9387 struct i802_bss *bss = priv;
9388 struct wpa_driver_nl80211_data *drv = bss->drv;
9389 struct nl_msg *msg;
9390 int ret;
9391
6b9f7af6
JM		 9392#ifdef CONFIG_TESTING_OPTIONS
9393 if (vendor_id == 0xffffffff) {
56f77852
JM		 9394 msg = nlmsg_alloc();
9395 if (!msg)
9396 return -ENOMEM;
9397
6b9f7af6
JM		 9398 nl80211_cmd(drv, msg, 0, subcmd);
9399 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
9400 0)
a862e4a3 9401 goto fail;
6b9f7af6
JM		 9402 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
9403 if (ret)
9404 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
9405 ret);
9406 return ret;
9407 }
9408#endif /* CONFIG_TESTING_OPTIONS */
9409
56f77852 9410 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9411 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
9412 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
9413 (data &&
9414 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
9415 goto fail;
adef8948
BL		 9416
9417 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
9418 if (ret)
9419 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
9420 ret);
9421 return ret;
9422
a862e4a3 9423fail:
adef8948
BL		 9424 nlmsg_free(msg);
9425 return -ENOBUFS;
9426}
9427
9428
049105b4
KP		 9429static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
9430 u8 qos_map_set_len)
9431{
9432 struct i802_bss *bss = priv;
9433 struct wpa_driver_nl80211_data *drv = bss->drv;
9434 struct nl_msg *msg;
9435 int ret;
9436
049105b4
KP		 9437 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
9438 qos_map_set, qos_map_set_len);
9439
9725b784 9440 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM		 9441 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
9442 nlmsg_free(msg);
9443 return -ENOBUFS;
9444 }
049105b4
KP		 9445
9446 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9447 if (ret)
9448 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
9449
9450 return ret;
049105b4
KP		 9451}
9452
9453
82ba4f2d
MC		 9454static int get_wowlan_handler(struct nl_msg *msg, void *arg)
9455{
9456 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9457 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9458 int *wowlan_enabled = arg;
9459
9460 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9461 genlmsg_attrlen(gnlh, 0), NULL);
9462
9463 *wowlan_enabled = !!tb[NL80211_ATTR_WOWLAN_TRIGGERS];
9464
9465 return NL_SKIP;
9466}
9467
9468
9469static int nl80211_get_wowlan(void *priv)
9470{
9471 struct i802_bss *bss = priv;
9472 struct wpa_driver_nl80211_data *drv = bss->drv;
9473 struct nl_msg *msg;
9474 int wowlan_enabled;
9475 int ret;
9476
9477 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status");
9478
9479 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_WOWLAN);
9480
9481 ret = send_and_recv_msgs(drv, msg, get_wowlan_handler, &wowlan_enabled);
9482 if (ret) {
9483 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status failed");
9484 return 0;
9485 }
9486
9487 wpa_printf(MSG_DEBUG, "nl80211: wowlan is %s",
9488 wowlan_enabled ? "enabled" : "disabled");
9489
9490 return wowlan_enabled;
9491}
9492
9493
e4fa8b12
EP		 9494static int nl80211_set_wowlan(void *priv,
9495 const struct wowlan_triggers *triggers)
9496{
9497 struct i802_bss *bss = priv;
9498 struct wpa_driver_nl80211_data *drv = bss->drv;
9499 struct nl_msg *msg;
9500 struct nlattr *wowlan_triggers;
9501 int ret;
9502
e4fa8b12
EP		 9503 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
9504
1ac977bd 9505 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM		 9506 !(wowlan_triggers = nla_nest_start(msg,
9507 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
9508 (triggers->any &&
9509 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
9510 (triggers->disconnect &&
9511 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
9512 (triggers->magic_pkt &&
9513 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
9514 (triggers->gtk_rekey_failure &&
9515 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
9516 (triggers->eap_identity_req &&
9517 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
9518 (triggers->four_way_handshake &&
9519 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
9520 (triggers->rfkill_release &&
9521 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
9522 nlmsg_free(msg);
9523 return -ENOBUFS;
9524 }
e4fa8b12
EP		 9525
9526 nla_nest_end(msg, wowlan_triggers);
9527
9528 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9529 if (ret)
9530 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
9531
9532 return ret;
e4fa8b12
EP		 9533}
9534
9535
b658547d 9536#ifdef CONFIG_DRIVER_NL80211_QCA
0800f9ee
JM		 9537static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
9538{
9539 struct i802_bss *bss = priv;
9540 struct wpa_driver_nl80211_data *drv = bss->drv;
9541 struct nl_msg *msg;
9542 struct nlattr *params;
9543
9544 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
9545
9546 if (!drv->roaming_vendor_cmd_avail) {
9547 wpa_printf(MSG_DEBUG,
9548 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
9549 return -1;
9550 }
9551
9725b784 9552 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9553 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9554 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9555 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
9556 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9557 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
9558 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
9559 QCA_ROAMING_NOT_ALLOWED) ||
9560 (bssid &&
9561 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
9562 nlmsg_free(msg);
9563 return -1;
9564 }
0800f9ee
JM		 9565 nla_nest_end(msg, params);
9566
9567 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee 9568}
b04854ce
AP		 9569
9570
d98038bb 9571static int nl80211_disable_fils(void *priv, int disable)
9572{
9573 struct i802_bss *bss = priv;
9574 struct wpa_driver_nl80211_data *drv = bss->drv;
9575 struct nl_msg *msg;
9576 struct nlattr *params;
9577
9578 wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable);
9579
9580 if (!drv->set_wifi_conf_vendor_cmd_avail)
9581 return -1;
9582
9583 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9584 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9585 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9586 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
9587 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9588 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS,
9589 disable)) {
9590 nlmsg_free(msg);
9591 return -1;
9592 }
9593 nla_nest_end(msg, params);
9594
9595 return send_and_recv_msgs(drv, msg, NULL, NULL);
9596}
9597
9598
b04854ce
AP		 9599/* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
9600#define WPA_SUPPLICANT_CLIENT_ID 1
9601
9602static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid,
9603 const u8 *bssid)
9604{
9605 struct i802_bss *bss = priv;
9606 struct wpa_driver_nl80211_data *drv = bss->drv;
9607 struct nl_msg *msg;
9608 struct nlattr *params, *nlbssids, *attr;
9609 unsigned int i;
9610
9611 wpa_printf(MSG_DEBUG, "nl80211: Set blacklist BSSID (num=%u)",
9612 num_bssid);
9613
9614 if (!drv->roam_vendor_cmd_avail)
9615 return -1;
9616
9617 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9618 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9619 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9620 QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
9621 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9622 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
1425caac 9623 QCA_WLAN_VENDOR_ROAMING_SUBCMD_SET_BLACKLIST_BSSID) ||
b04854ce
AP		 9624 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
9625 WPA_SUPPLICANT_CLIENT_ID) ||
9626 nla_put_u32(msg,
9627 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
9628 num_bssid))
9629 goto fail;
9630
9631 nlbssids = nla_nest_start(
9632 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
9633 if (!nlbssids)
9634 goto fail;
9635
9636 for (i = 0; i < num_bssid; i++) {
9637 attr = nla_nest_start(msg, i);
9638 if (!attr)
9639 goto fail;
9640 if (nla_put(msg,
9641 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
9642 ETH_ALEN, &bssid[i * ETH_ALEN]))
9643 goto fail;
9644 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i,
9645 MAC2STR(&bssid[i * ETH_ALEN]));
9646 nla_nest_end(msg, attr);
9647 }
9648 nla_nest_end(msg, nlbssids);
9649 nla_nest_end(msg, params);
9650
9651 return send_and_recv_msgs(drv, msg, NULL, NULL);
9652
9653fail:
9654 nlmsg_free(msg);
9655 return -1;
9656}
9657
df3b2e22
SSG		 9658
9659static int nl80211_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
9660{
9661 struct i802_bss *bss = priv;
9662 struct wpa_driver_nl80211_data *drv = bss->drv;
9663 struct nl_msg *msg;
9664 struct nlattr *params;
9665
9666 if (!drv->add_sta_node_vendor_cmd_avail)
9667 return -EOPNOTSUPP;
9668
9669 wpa_printf(MSG_DEBUG, "nl80211: Add STA node");
9670
9671 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9672 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9673 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9674 QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE) ||
9675 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9676 (addr &&
9677 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_MAC_ADDR, ETH_ALEN,
9678 addr)) ||
9679 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_AUTH_ALGO,
9680 auth_alg)) {
9681 nlmsg_free(msg);
9682 wpa_printf(MSG_ERROR,
9683 "%s: err in adding vendor_cmd and vendor_data",
9684 __func__);
9685 return -1;
9686 }
9687 nla_nest_end(msg, params);
9688
9689 return send_and_recv_msgs(drv, msg, NULL, NULL);
9690}
9691
b658547d 9692#endif /* CONFIG_DRIVER_NL80211_QCA */
0800f9ee
JM		 9693
9694
fee354c7
JM		 9695static int nl80211_set_mac_addr(void *priv, const u8 *addr)
9696{
9697 struct i802_bss *bss = priv;
9698 struct wpa_driver_nl80211_data *drv = bss->drv;
9699 int new_addr = addr != NULL;
9700
9ce3e610
JM		 9701 if (TEST_FAIL())
9702 return -1;
9703
fee354c7
JM		 9704 if (!addr)
9705 addr = drv->perm_addr;
9706
9707 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
9708 return -1;
9709
9710 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
9711 {
9712 wpa_printf(MSG_DEBUG,
9713 "nl80211: failed to set_mac_addr for %s to " MACSTR,
9714 bss->ifname, MAC2STR(addr));
9715 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
9716 1) < 0) {
9717 wpa_printf(MSG_DEBUG,
9718 "nl80211: Could not restore interface UP after failed set_mac_addr");
9719 }
9720 return -1;
9721 }
9722
9723 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
9724 bss->ifname, MAC2STR(addr));
9725 drv->addr_changed = new_addr;
9726 os_memcpy(bss->addr, addr, ETH_ALEN);
9727
9728 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
9729 {
9730 wpa_printf(MSG_DEBUG,
9731 "nl80211: Could not restore interface UP after set_mac_addr");
9732 }
9733
9734 return 0;
9735}
9736
9737
6c1664f6
BC		 9738#ifdef CONFIG_MESH
9739
9740static int wpa_driver_nl80211_init_mesh(void *priv)
9741{
9742 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
9743 wpa_printf(MSG_INFO,
9744 "nl80211: Failed to set interface into mesh mode");
9745 return -1;
9746 }
9747 return 0;
9748}
9749
9750
21c74e84
JM		 9751static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
9752 size_t mesh_id_len)
9753{
9754 if (mesh_id) {
21cd8f83
JM		 9755 wpa_printf(MSG_DEBUG, " * Mesh ID (SSID)=%s",
9756 wpa_ssid_txt(mesh_id, mesh_id_len));
21c74e84
JM		 9757 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
9758 }
9759
9760 return 0;
9761}
9762
9763
4ffb3f87
MH		 9764static int nl80211_put_mesh_config(struct nl_msg *msg,
9765 struct wpa_driver_mesh_bss_params *params)
9766{
9767 struct nlattr *container;
9768
9769 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
9770 if (!container)
9771 return -1;
9772
2bd62171 9773 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
963d3149
JM		 9774 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
9775 params->auto_plinks)) ||
2bd62171
MH		 9776 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
9777 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
31a856a1
MH		 9778 params->max_peer_links)) ||
9779 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
9780 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
9781 params->rssi_threshold)))
4ffb3f87
MH		 9782 return -1;
9783
9784 /*
9785 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
9786 * the timer could disconnect stations even in that case.
9787 */
2bd62171
MH		 9788 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
9789 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4ffb3f87
MH		 9790 params->peer_link_timeout)) {
9791 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
9792 return -1;
9793 }
9794
052b8d38
MH		 9795 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
9796 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
9797 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
9798 return -1;
9799 }
9800
4ffb3f87
MH		 9801 nla_nest_end(msg, container);
9802
9803 return 0;
9804}
9805
9806
0cb5f8d9 9807static int nl80211_join_mesh(struct i802_bss *bss,
6c1664f6
BC		 9808 struct wpa_driver_mesh_join_params *params)
9809{
6c1664f6
BC		 9810 struct wpa_driver_nl80211_data *drv = bss->drv;
9811 struct nl_msg *msg;
9812 struct nlattr *container;
7451a217 9813 int ret = -1;
6c1664f6 9814
6c1664f6 9815 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784 9816 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
f7e889fa
JM		 9817 if (!msg ||
9818 nl80211_put_freq_params(msg, &params->freq) ||
21c74e84
JM		 9819 nl80211_put_basic_rates(msg, params->basic_rates) ||
9820 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
4ac2ea57
MH		 9821 nl80211_put_beacon_int(msg, params->beacon_int) ||
9822 nl80211_put_dtim_period(msg, params->dtim_period))
85e1fad8 9823 goto fail;
9c58c5f7 9824
6c1664f6
BC		 9825 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
9826
9827 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
9828 if (!container)
a862e4a3 9829 goto fail;
6c1664f6
BC		 9830
9831 if (params->ies) {
9832 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM		 9833 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
9834 params->ies))
9835 goto fail;
6c1664f6
BC		 9836 }
9837 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
9838 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM		 9839 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
9840 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
9841 goto fail;
6c1664f6 9842 }
a862e4a3
JM		 9843 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
9844 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
9845 goto fail;
9846 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
9847 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
9848 goto fail;
6c1664f6
BC		 9849 nla_nest_end(msg, container);
9850
2bd62171
MH		 9851 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
9852 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
9853 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
4ffb3f87 9854 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
5a2a6de6 9855 goto fail;
6c1664f6
BC		 9856
9857 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9858 msg = NULL;
9859 if (ret) {
9860 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
9861 ret, strerror(-ret));
a862e4a3 9862 goto fail;
6c1664f6
BC		 9863 }
9864 ret = 0;
92a515b8 9865 drv->assoc_freq = bss->freq = params->freq.freq;
6c1664f6
BC		 9866 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
9867
a862e4a3 9868fail:
6c1664f6
BC		 9869 nlmsg_free(msg);
9870 return ret;
9871}
9872
9873
0cb5f8d9
MH		 9874static int
9875wpa_driver_nl80211_join_mesh(void *priv,
9876 struct wpa_driver_mesh_join_params *params)
9877{
9878 struct i802_bss *bss = priv;
9879 int ret, timeout;
9880
9881 timeout = params->conf.peer_link_timeout;
9882
9883 /* Disable kernel inactivity timer */
9884 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
9885 params->conf.peer_link_timeout = 0;
9886
9887 ret = nl80211_join_mesh(bss, params);
9888 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
9889 wpa_printf(MSG_DEBUG,
9890 "nl80211: Mesh join retry for peer_link_timeout");
9891 /*
9892 * Old kernel does not support setting
9893 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
9894 * into future from peer_link_timeout.
9895 */
9896 params->conf.peer_link_timeout = timeout + 60;
9897 ret = nl80211_join_mesh(priv, params);
9898 }
9899
9900 params->conf.peer_link_timeout = timeout;
9901 return ret;
9902}
9903
9904
6c1664f6
BC		 9905static int wpa_driver_nl80211_leave_mesh(void *priv)
9906{
9907 struct i802_bss *bss = priv;
9908 struct wpa_driver_nl80211_data *drv = bss->drv;
9909 struct nl_msg *msg;
9725b784 9910 int ret;
6c1664f6
BC		 9911
9912 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 9913 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 9914 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC		 9915 if (ret) {
9916 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
9917 ret, strerror(-ret));
a862e4a3
JM		 9918 } else {
9919 wpa_printf(MSG_DEBUG,
9920 "nl80211: mesh leave request send successfully");
6c1664f6 9921 }
6c1664f6 9922
f33c82d2
JM		 9923 if (wpa_driver_nl80211_set_mode(drv->first_bss,
9924 NL80211_IFTYPE_STATION)) {
9925 wpa_printf(MSG_INFO,
9926 "nl80211: Failed to set interface into station mode");
9927 }
6c1664f6
BC		 9928 return ret;
9929}
9930
c36109e4
PKC		 9931
9932static int nl80211_probe_mesh_link(void *priv, const u8 *addr, const u8 *eth,
9933 size_t len)
9934{
9935 struct i802_bss *bss = priv;
9936 struct wpa_driver_nl80211_data *drv = bss->drv;
9937 struct nl_msg *msg;
9938 int ret;
9939
9940 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_PROBE_MESH_LINK);
9941 if (!msg ||
9942 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9943 nla_put(msg, NL80211_ATTR_FRAME, len, eth)) {
9944 nlmsg_free(msg);
9945 return -ENOBUFS;
9946 }
9947
9948 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9949 if (ret) {
9950 wpa_printf(MSG_DEBUG, "nl80211: mesh link probe to " MACSTR
9951 " failed: ret=%d (%s)",
9952 MAC2STR(addr), ret, strerror(-ret));
9953 } else {
9954 wpa_printf(MSG_DEBUG, "nl80211: Mesh link to " MACSTR
9955 " probed successfully", MAC2STR(addr));
9956 }
9957
9958 return ret;
9959}
9960
6c1664f6
BC		 9961#endif /* CONFIG_MESH */
9962
9963
ed4ddb6d
KP		 9964static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
9965 const u8 *ipaddr, int prefixlen,
9966 const u8 *addr)
71103bed
KP		 9967{
9968#ifdef CONFIG_LIBNL3_ROUTE
9969 struct i802_bss *bss = priv;
9970 struct wpa_driver_nl80211_data *drv = bss->drv;
9971 struct rtnl_neigh *rn;
9972 struct nl_addr *nl_ipaddr = NULL;
9973 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 9974 int family, addrsize;
71103bed
KP		 9975 int res;
9976
ed4ddb6d 9977 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP		 9978 return -EINVAL;
9979
9980 if (bss->br_ifindex == 0) {
9981 wpa_printf(MSG_DEBUG,
9982 "nl80211: bridge must be set before adding an ip neigh to it");
9983 return -1;
9984 }
9985
9986 if (!drv->rtnl_sk) {
9987 wpa_printf(MSG_DEBUG,
9988 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9989 return -1;
9990 }
9991
ed4ddb6d
KP		 9992 if (version == 4) {
9993 family = AF_INET;
9994 addrsize = 4;
9995 } else if (version == 6) {
9996 family = AF_INET6;
9997 addrsize = 16;
9998 } else {
9999 return -EINVAL;
10000 }
10001
71103bed
KP		 10002 rn = rtnl_neigh_alloc();
10003 if (rn == NULL)
10004 return -ENOMEM;
10005
10006 /* set the destination ip address for neigh */
ed4ddb6d 10007 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 10008 if (nl_ipaddr == NULL) {
10009 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
10010 res = -ENOMEM;
10011 goto errout;
10012 }
10013 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
10014 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
10015 if (res) {
10016 wpa_printf(MSG_DEBUG,
10017 "nl80211: neigh set destination addr failed");
10018 goto errout;
10019 }
10020
10021 /* set the corresponding lladdr for neigh */
10022 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
10023 if (nl_lladdr == NULL) {
10024 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
10025 res = -ENOMEM;
10026 goto errout;
10027 }
10028 rtnl_neigh_set_lladdr(rn, nl_lladdr);
10029
10030 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
10031 rtnl_neigh_set_state(rn, NUD_PERMANENT);
10032
10033 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
10034 if (res) {
10035 wpa_printf(MSG_DEBUG,
10036 "nl80211: Adding bridge ip neigh failed: %s",
3ea58a05 10037 nl_geterror(res));
71103bed
KP		 10038 }
10039errout:
10040 if (nl_lladdr)
10041 nl_addr_put(nl_lladdr);
10042 if (nl_ipaddr)
10043 nl_addr_put(nl_ipaddr);
10044 if (rn)
10045 rtnl_neigh_put(rn);
10046 return res;
10047#else /* CONFIG_LIBNL3_ROUTE */
10048 return -1;
10049#endif /* CONFIG_LIBNL3_ROUTE */
10050}
10051
10052
ed4ddb6d
KP		 10053static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
10054 const u8 *ipaddr)
71103bed
KP		 10055{
10056#ifdef CONFIG_LIBNL3_ROUTE
10057 struct i802_bss *bss = priv;
10058 struct wpa_driver_nl80211_data *drv = bss->drv;
10059 struct rtnl_neigh *rn;
10060 struct nl_addr *nl_ipaddr;
ed4ddb6d 10061 int family, addrsize;
71103bed
KP		 10062 int res;
10063
ed4ddb6d 10064 if (!ipaddr)
71103bed
KP		 10065 return -EINVAL;
10066
ed4ddb6d
KP		 10067 if (version == 4) {
10068 family = AF_INET;
10069 addrsize = 4;
10070 } else if (version == 6) {
10071 family = AF_INET6;
10072 addrsize = 16;
10073 } else {
10074 return -EINVAL;
10075 }
10076
71103bed
KP		 10077 if (bss->br_ifindex == 0) {
10078 wpa_printf(MSG_DEBUG,
10079 "nl80211: bridge must be set to delete an ip neigh");
10080 return -1;
10081 }
10082
10083 if (!drv->rtnl_sk) {
10084 wpa_printf(MSG_DEBUG,
10085 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
10086 return -1;
10087 }
10088
10089 rn = rtnl_neigh_alloc();
10090 if (rn == NULL)
10091 return -ENOMEM;
10092
10093 /* set the destination ip address for neigh */
ed4ddb6d 10094 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 10095 if (nl_ipaddr == NULL) {
10096 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
10097 res = -ENOMEM;
10098 goto errout;
10099 }
10100 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
10101 if (res) {
10102 wpa_printf(MSG_DEBUG,
10103 "nl80211: neigh set destination addr failed");
10104 goto errout;
10105 }
10106
10107 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
10108
10109 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
10110 if (res) {
10111 wpa_printf(MSG_DEBUG,
10112 "nl80211: Deleting bridge ip neigh failed: %s",
3ea58a05 10113 nl_geterror(res));
71103bed
KP		 10114 }
10115errout:
10116 if (nl_ipaddr)
10117 nl_addr_put(nl_ipaddr);
10118 if (rn)
10119 rtnl_neigh_put(rn);
10120 return res;
10121#else /* CONFIG_LIBNL3_ROUTE */
10122 return -1;
10123#endif /* CONFIG_LIBNL3_ROUTE */
10124}
10125
10126
73d2294f
KP		 10127static int linux_write_system_file(const char *path, unsigned int val)
10128{
10129 char buf[50];
10130 int fd, len;
10131
10132 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 10133 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP		 10134 return -1;
10135
10136 fd = open(path, O_WRONLY);
10137 if (fd < 0)
10138 return -1;
10139
10140 if (write(fd, buf, len) < 0) {
10141 wpa_printf(MSG_DEBUG,
10142 "nl80211: Failed to write Linux system file: %s with the value of %d",
10143 path, val);
10144 close(fd);
10145 return -1;
10146 }
10147 close(fd);
10148
10149 return 0;
10150}
10151
10152
10153static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
10154{
10155 switch (attr) {
10156 case DRV_BR_PORT_ATTR_PROXYARP:
bea8d9a3 10157 return "proxyarp_wifi";
73d2294f
KP		 10158 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
10159 return "hairpin_mode";
10160 }
10161
10162 return NULL;
10163}
10164
10165
10166static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
10167 unsigned int val)
10168{
10169 struct i802_bss *bss = priv;
10170 char path[128];
10171 const char *attr_txt;
10172
10173 attr_txt = drv_br_port_attr_str(attr);
10174 if (attr_txt == NULL)
10175 return -EINVAL;
10176
10177 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
10178 bss->ifname, attr_txt);
10179
10180 if (linux_write_system_file(path, val))
10181 return -1;
10182
10183 return 0;
10184}
10185
10186
7565752d
KP		 10187static const char * drv_br_net_param_str(enum drv_br_net_param param)
10188{
10189 switch (param) {
10190 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10191 return "arp_accept";
60eb9e17
JM		 10192 default:
10193 return NULL;
7565752d 10194 }
7565752d
KP		 10195}
10196
10197
10198static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
10199 unsigned int val)
10200{
10201 struct i802_bss *bss = priv;
10202 char path[128];
10203 const char *param_txt;
10204 int ip_version = 4;
10205
60eb9e17
JM		 10206 if (param == DRV_BR_MULTICAST_SNOOPING) {
10207 os_snprintf(path, sizeof(path),
10208 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
10209 bss->brname);
10210 goto set_val;
10211 }
10212
7565752d
KP		 10213 param_txt = drv_br_net_param_str(param);
10214 if (param_txt == NULL)
10215 return -EINVAL;
10216
10217 switch (param) {
10218 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10219 ip_version = 4;
10220 break;
10221 default:
10222 return -EINVAL;
10223 }
10224
10225 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
10226 ip_version, bss->brname, param_txt);
10227
60eb9e17 10228set_val:
7565752d
KP		 10229 if (linux_write_system_file(path, val))
10230 return -1;
10231
10232 return 0;
10233}
10234
10235
b658547d
JM		 10236#ifdef CONFIG_DRIVER_NL80211_QCA
10237
16689c7c
PX		 10238static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
10239{
10240 switch (hw_mode) {
10241 case HOSTAPD_MODE_IEEE80211B:
10242 return QCA_ACS_MODE_IEEE80211B;
10243 case HOSTAPD_MODE_IEEE80211G:
10244 return QCA_ACS_MODE_IEEE80211G;
10245 case HOSTAPD_MODE_IEEE80211A:
10246 return QCA_ACS_MODE_IEEE80211A;
10247 case HOSTAPD_MODE_IEEE80211AD:
10248 return QCA_ACS_MODE_IEEE80211AD;
3784c058
PX		 10249 case HOSTAPD_MODE_IEEE80211ANY:
10250 return QCA_ACS_MODE_IEEE80211ANY;
16689c7c
PX		 10251 default:
10252 return -1;
10253 }
10254}
10255
10256
e86ba912
AB		 10257static int add_acs_ch_list(struct nl_msg *msg, const int *freq_list)
10258{
10259 int num_channels = 0, num_freqs;
10260 u8 *ch_list;
10261 enum hostapd_hw_mode hw_mode;
10262 int ret = 0;
10263 int i;
10264
10265 if (!freq_list)
10266 return 0;
10267
10268 num_freqs = int_array_len(freq_list);
10269 ch_list = os_malloc(sizeof(u8) * num_freqs);
10270 if (!ch_list)
10271 return -1;
10272
10273 for (i = 0; i < num_freqs; i++) {
10274 const int freq = freq_list[i];
10275
10276 if (freq == 0)
10277 break;
10278 /* Send 2.4 GHz and 5 GHz channels with
10279 * QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST to maintain backwards
10280 * compatibility.
10281 */
10282 if (!(freq >= 2412 && freq <= 2484) &&
10283 !(freq >= 5180 && freq <= 5900))
10284 continue;
10285 hw_mode = ieee80211_freq_to_chan(freq, &ch_list[num_channels]);
10286 if (hw_mode != NUM_HOSTAPD_MODES)
10287 num_channels++;
10288 }
10289
10290 if (num_channels)
10291 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST,
10292 num_channels, ch_list);
10293
10294 os_free(ch_list);
10295 return ret;
10296}
10297
10298
d0cdccd3
PX		 10299static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
10300{
10301 int i, len, ret;
10302 u32 *freqs;
10303
10304 if (!freq_list)
10305 return 0;
10306 len = int_array_len(freq_list);
10307 freqs = os_malloc(sizeof(u32) * len);
10308 if (!freqs)
10309 return -1;
10310 for (i = 0; i < len; i++)
10311 freqs[i] = freq_list[i];
10312 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
10313 sizeof(u32) * len, freqs);
10314 os_free(freqs);
10315 return ret;
10316}
10317
10318
16689c7c
PX		 10319static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
10320{
10321 struct i802_bss *bss = priv;
10322 struct wpa_driver_nl80211_data *drv = bss->drv;
10323 struct nl_msg *msg;
10324 struct nlattr *data;
a862e4a3 10325 int ret;
16689c7c
PX		 10326 int mode;
10327
10328 mode = hw_mode_to_qca_acs(params->hw_mode);
10329 if (mode < 0)
10330 return -1;
10331
9725b784 10332 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 10333 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10334 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10335 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
10336 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10337 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
10338 (params->ht_enabled &&
10339 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
10340 (params->ht40_enabled &&
857d9422
MM		 10341 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
10342 (params->vht_enabled &&
10343 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
10344 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
10345 params->ch_width) ||
e86ba912 10346 add_acs_ch_list(msg, params->freq_list) ||
d0cdccd3 10347 add_acs_freq_list(msg, params->freq_list)) {
a862e4a3
JM		 10348 nlmsg_free(msg);
10349 return -ENOBUFS;
10350 }
16689c7c
PX		 10351 nla_nest_end(msg, data);
10352
857d9422 10353 wpa_printf(MSG_DEBUG,
e86ba912 10354 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d",
857d9422 10355 params->hw_mode, params->ht_enabled, params->ht40_enabled,
e86ba912 10356 params->vht_enabled, params->ch_width);
857d9422 10357
16689c7c 10358 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX		 10359 if (ret) {
10360 wpa_printf(MSG_DEBUG,
10361 "nl80211: Failed to invoke driver ACS function: %s",
3ea58a05 10362 strerror(-ret));
16689c7c 10363 }
16689c7c
PX		 10364 return ret;
10365}
10366
10367
844dfeb8
SD		 10368static int nl80211_set_band(void *priv, enum set_band band)
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;
10374 int ret;
10375 enum qca_set_band qca_band;
10376
10377 if (!drv->setband_vendor_cmd_avail)
10378 return -1;
10379
10380 switch (band) {
10381 case WPA_SETBAND_AUTO:
10382 qca_band = QCA_SETBAND_AUTO;
10383 break;
10384 case WPA_SETBAND_5G:
10385 qca_band = QCA_SETBAND_5G;
10386 break;
10387 case WPA_SETBAND_2G:
10388 qca_band = QCA_SETBAND_2G;
10389 break;
10390 default:
10391 return -1;
10392 }
10393
10394 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10395 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10396 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10397 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
10398 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10399 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
10400 nlmsg_free(msg);
10401 return -ENOBUFS;
10402 }
10403 nla_nest_end(msg, data);
10404
10405 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10406 if (ret) {
10407 wpa_printf(MSG_DEBUG,
10408 "nl80211: Driver setband function failed: %s",
3ea58a05 10409 strerror(-ret));
844dfeb8
SD		 10410 }
10411 return ret;
10412}
10413
10414
98342208
AK		 10415struct nl80211_pcl {
10416 unsigned int num;
10417 unsigned int *freq_list;
10418};
10419
10420static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
10421{
10422 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10423 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10424 struct nl80211_pcl *param = arg;
10425 struct nlattr *nl_vend, *attr;
10426 enum qca_iface_type iface_type;
10427 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10428 unsigned int num, max_num;
10429 u32 *freqs;
10430
10431 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10432 genlmsg_attrlen(gnlh, 0), NULL);
10433
10434 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
10435 if (!nl_vend)
10436 return NL_SKIP;
10437
10438 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10439 nla_data(nl_vend), nla_len(nl_vend), NULL);
10440
10441 attr = tb_vendor[
10442 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
10443 if (!attr) {
10444 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
10445 param->num = 0;
10446 return NL_SKIP;
10447 }
10448
10449 iface_type = (enum qca_iface_type) nla_get_u32(attr);
10450 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
10451 iface_type);
10452
10453 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
10454 if (!attr) {
10455 wpa_printf(MSG_ERROR,
10456 "nl80211: preferred_freq_list couldn't be found");
10457 param->num = 0;
10458 return NL_SKIP;
10459 }
10460
10461 /*
10462 * param->num has the maximum number of entries for which there
10463 * is room in the freq_list provided by the caller.
10464 */
10465 freqs = nla_data(attr);
10466 max_num = nla_len(attr) / sizeof(u32);
10467 if (max_num > param->num)
10468 max_num = param->num;
10469 for (num = 0; num < max_num; num++)
10470 param->freq_list[num] = freqs[num];
10471 param->num = num;
10472
10473 return NL_SKIP;
10474}
10475
10476
10477static int nl80211_get_pref_freq_list(void *priv,
10478 enum wpa_driver_if_type if_type,
10479 unsigned int *num,
10480 unsigned int *freq_list)
10481{
10482 struct i802_bss *bss = priv;
10483 struct wpa_driver_nl80211_data *drv = bss->drv;
10484 struct nl_msg *msg;
10485 int ret;
10486 unsigned int i;
10487 struct nlattr *params;
10488 struct nl80211_pcl param;
10489 enum qca_iface_type iface_type;
10490
10491 if (!drv->get_pref_freq_list)
10492 return -1;
10493
10494 switch (if_type) {
10495 case WPA_IF_STATION:
10496 iface_type = QCA_IFACE_TYPE_STA;
10497 break;
10498 case WPA_IF_AP_BSS:
10499 iface_type = QCA_IFACE_TYPE_AP;
10500 break;
10501 case WPA_IF_P2P_GO:
10502 iface_type = QCA_IFACE_TYPE_P2P_GO;
10503 break;
10504 case WPA_IF_P2P_CLIENT:
10505 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
10506 break;
10507 case WPA_IF_IBSS:
10508 iface_type = QCA_IFACE_TYPE_IBSS;
10509 break;
10510 case WPA_IF_TDLS:
10511 iface_type = QCA_IFACE_TYPE_TDLS;
10512 break;
10513 default:
10514 return -1;
10515 }
10516
10517 param.num = *num;
10518 param.freq_list = freq_list;
10519
10520 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10521 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
10522 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10523 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10524 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
10525 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10526 nla_put_u32(msg,
10527 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
10528 iface_type)) {
10529 wpa_printf(MSG_ERROR,
10530 "%s: err in adding vendor_cmd and vendor_data",
10531 __func__);
10532 nlmsg_free(msg);
10533 return -1;
10534 }
10535 nla_nest_end(msg, params);
10536
10537 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
10538 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
10539 if (ret) {
10540 wpa_printf(MSG_ERROR,
10541 "%s: err in send_and_recv_msgs", __func__);
10542 return ret;
10543 }
10544
10545 *num = param.num;
10546
10547 for (i = 0; i < *num; i++) {
10548 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
10549 i, freq_list[i]);
10550 }
10551
10552 return 0;
10553}
10554
10555
7c813acf
AK		 10556static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
10557{
10558 struct i802_bss *bss = priv;
10559 struct wpa_driver_nl80211_data *drv = bss->drv;
10560 struct nl_msg *msg;
10561 int ret;
10562 struct nlattr *params;
10563
10564 if (!drv->set_prob_oper_freq)
10565 return -1;
10566
10567 wpa_printf(MSG_DEBUG,
10568 "nl80211: Set P2P probable operating freq %u for ifindex %d",
10569 freq, bss->ifindex);
10570
10571 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10572 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10573 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10574 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
10575 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10576 nla_put_u32(msg,
10577 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
10578 QCA_IFACE_TYPE_P2P_CLIENT) ||
10579 nla_put_u32(msg,
10580 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
10581 freq)) {
10582 wpa_printf(MSG_ERROR,
10583 "%s: err in adding vendor_cmd and vendor_data",
10584 __func__);
10585 nlmsg_free(msg);
10586 return -1;
10587 }
10588 nla_nest_end(msg, params);
10589
10590 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10591 msg = NULL;
10592 if (ret) {
10593 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
10594 __func__);
10595 return ret;
10596 }
10597 nlmsg_free(msg);
10598 return 0;
10599}
10600
a6f5b193
PX		 10601
10602static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
10603 unsigned int period, unsigned int interval,
10604 unsigned int count, const u8 *device_types,
10605 size_t dev_types_len,
10606 const u8 *ies, size_t ies_len)
10607{
10608 struct i802_bss *bss = priv;
10609 struct wpa_driver_nl80211_data *drv = bss->drv;
10610 struct nl_msg *msg;
10611 struct nlattr *container;
10612 int ret;
10613
10614 wpa_printf(MSG_DEBUG,
10615 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
10616 freq, period, interval, count);
10617
10618 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10619 return -1;
10620
10621 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10622 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10623 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10624 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
10625 goto fail;
10626
10627 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10628 if (!container)
10629 goto fail;
10630
10631 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
10632 freq) ||
10633 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
10634 period) ||
10635 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
10636 interval) ||
10637 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
10638 count) ||
10639 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
10640 dev_types_len, device_types) ||
10641 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
10642 ies_len, ies))
10643 goto fail;
10644
10645 nla_nest_end(msg, container);
10646 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10647 msg = NULL;
10648 if (ret) {
10649 wpa_printf(MSG_DEBUG,
10650 "nl80211: Failed to send P2P Listen offload vendor command");
10651 goto fail;
10652 }
10653
10654 return 0;
10655
10656fail:
10657 nlmsg_free(msg);
10658 return -1;
10659}
10660
10661
10662static int nl80211_p2p_lo_stop(void *priv)
10663{
10664 struct i802_bss *bss = priv;
10665 struct wpa_driver_nl80211_data *drv = bss->drv;
10666 struct nl_msg *msg;
10667
10668 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
10669
10670 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10671 return -1;
10672
10673 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10674 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10675 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10676 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
10677 nlmsg_free(msg);
10678 return -1;
10679 }
10680
10681 return send_and_recv_msgs(drv, msg, NULL, NULL);
10682}
10683
2e4e4fb7
SD		 10684
10685static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
10686{
10687 struct i802_bss *bss = priv;
10688 struct wpa_driver_nl80211_data *drv = bss->drv;
10689 struct nl_msg *msg;
10690 struct nlattr *params;
10691 int ret;
10692 u32 tdls_mode;
10693
10694 wpa_printf(MSG_DEBUG,
10695 "nl80211: Set TDKS mode: tdls_external_control=%d",
10696 tdls_external_control);
10697
10698 if (tdls_external_control == 1)
10699 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
10700 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
10701 else
10702 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
10703
10704 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10705 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10706 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10707 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
10708 goto fail;
10709
10710 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10711 if (!params)
10712 goto fail;
10713
10714 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
10715 tdls_mode))
10716 goto fail;
10717
10718 nla_nest_end(msg, params);
10719
10720 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10721 msg = NULL;
10722 if (ret) {
10723 wpa_printf(MSG_ERROR,
10724 "nl80211: Set TDLS mode failed: ret=%d (%s)",
10725 ret, strerror(-ret));
10726 goto fail;
10727 }
10728 return 0;
10729fail:
10730 nlmsg_free(msg);
10731 return -1;
10732}
10733
3ab48492
KV		 10734
10735#ifdef CONFIG_MBO
10736
10737static enum mbo_transition_reject_reason
10738nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
10739{
10740 switch (status) {
10741 case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
10742 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
10743 case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
10744 return MBO_TRANSITION_REJECT_REASON_DELAY;
10745 case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
10746 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
10747 case QCA_STATUS_REJECT_LOW_RSSI:
10748 return MBO_TRANSITION_REJECT_REASON_RSSI;
10749 case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
10750 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
10751 case QCA_STATUS_REJECT_UNKNOWN:
10752 default:
10753 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
10754 }
10755}
10756
10757
10758static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
10759 struct nlattr *tb[], int num)
10760{
10761 enum qca_wlan_btm_candidate_status status;
10762 char buf[50];
10763
10764 os_memcpy(candidate->bssid,
10765 nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
10766 ETH_ALEN);
10767
10768 status = nla_get_u32(
10769 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
10770 candidate->is_accept = status == QCA_STATUS_ACCEPT;
10771 candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
10772
10773 if (candidate->is_accept)
10774 os_snprintf(buf, sizeof(buf), "Accepted");
10775 else
10776 os_snprintf(buf, sizeof(buf),
10777 "Rejected, Reject_reason: %d",
10778 candidate->reject_reason);
10779 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s",
10780 num, MAC2STR(candidate->bssid), buf);
10781}
10782
10783
10784static int
10785nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
10786{
10787 struct wpa_bss_candidate_info *info = arg;
10788 struct candidate_list *candidate = info->candidates;
10789 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
10790 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10791 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
10792 static struct nla_policy policy[
10793 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
10794 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
10795 .minlen = ETH_ALEN
10796 },
10797 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
10798 .type = NLA_U32,
10799 },
10800 };
10801 struct nlattr *attr;
10802 int rem;
10803 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10804 u8 num;
10805
10806 num = info->num; /* number of candidates sent to driver */
10807 info->num = 0;
10808 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10809 genlmsg_attrlen(gnlh, 0), NULL);
10810
10811 if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
10812 nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10813 tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
10814 !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
10815 return NL_SKIP;
10816
10817 wpa_printf(MSG_DEBUG,
10818 "nl80211: WNM Candidate list received from driver");
10819 nla_for_each_nested(attr,
10820 tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
10821 rem) {
10822 if (info->num >= num ||
10823 nla_parse_nested(
10824 tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
10825 attr, policy) ||
10826 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
10827 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
10828 break;
10829
10830 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
10831
10832 candidate++;
10833 info->num++;
10834 }
10835
10836 return NL_SKIP;
10837}
10838
10839
10840static struct wpa_bss_candidate_info *
10841nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
10842{
10843 struct i802_bss *bss = priv;
10844 struct wpa_driver_nl80211_data *drv = bss->drv;
10845 struct nl_msg *msg;
10846 struct nlattr *attr, *attr1, *attr2;
10847 struct wpa_bss_candidate_info *info;
10848 u8 i;
10849 int ret;
10850 u8 *pos;
10851
10852 if (!drv->fetch_bss_trans_status)
10853 return NULL;
10854
10855 info = os_zalloc(sizeof(*info));
10856 if (!info)
10857 return NULL;
10858 /* Allocate memory for number of candidates sent to driver */
10859 info->candidates = os_calloc(params->n_candidates,
10860 sizeof(*info->candidates));
10861 if (!info->candidates) {
10862 os_free(info);
10863 return NULL;
10864 }
10865
10866 /* Copy the number of candidates being sent to driver. This is used in
10867 * nl80211_get_bss_transition_status_handler() to limit the number of
10868 * candidates that can be populated in info->candidates and will be
10869 * later overwritten with the actual number of candidates received from
10870 * the driver.
10871 */
10872 info->num = params->n_candidates;
10873
10874 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10875 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10876 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10877 QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
10878 goto fail;
10879
10880 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10881 if (!attr)
10882 goto fail;
10883
10884 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
10885 params->mbo_transition_reason))
10886 goto fail;
10887
10888 attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
10889 if (!attr1)
10890 goto fail;
10891
10892 wpa_printf(MSG_DEBUG,
10893 "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
10894 params->mbo_transition_reason, params->n_candidates);
10895 pos = params->bssid;
10896 for (i = 0; i < params->n_candidates; i++) {
10897 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i,
10898 MAC2STR(pos));
10899 attr2 = nla_nest_start(msg, i);
10900 if (!attr2 ||
10901 nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
10902 ETH_ALEN, pos))
10903 goto fail;
10904 pos += ETH_ALEN;
10905 nla_nest_end(msg, attr2);
10906 }
10907
10908 nla_nest_end(msg, attr1);
10909 nla_nest_end(msg, attr);
10910
10911 ret = send_and_recv_msgs(drv, msg,
10912 nl80211_get_bss_transition_status_handler,
10913 info);
10914 msg = NULL;
10915 if (ret) {
10916 wpa_printf(MSG_ERROR,
10917 "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
10918 ret, strerror(-ret));
10919 goto fail;
10920 }
10921 return info;
10922
10923fail:
10924 nlmsg_free(msg);
10925 os_free(info->candidates);
10926 os_free(info);
10927 return NULL;
10928}
10929
178553b7
VK		 10930
10931/**
10932 * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
10933 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
10934 * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
10935 * Returns: 0 on success, -1 on failure
10936 */
10937static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
10938{
10939 struct i802_bss *bss = priv;
10940 struct wpa_driver_nl80211_data *drv = bss->drv;
10941 struct nl_msg *msg;
10942 struct nlattr *attr;
10943 int ret = -1;
10944
10945 if (!drv->set_wifi_conf_vendor_cmd_avail)
10946 return -1;
10947
10948 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10949 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10950 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10951 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
10952 goto fail;
10953
10954 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10955 if (!attr)
10956 goto fail;
10957
10958 wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
10959 ignore_disallow);
10960 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
10961 ignore_disallow))
10962 goto fail;
10963
10964 nla_nest_end(msg, attr);
10965
10966 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10967 msg = NULL;
10968 if (ret) {
10969 wpa_printf(MSG_ERROR,
10970 "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
10971 ret, strerror(-ret));
10972 goto fail;
10973 }
10974
10975fail:
10976 nlmsg_free(msg);
10977 return ret;
10978}
10979
3ab48492
KV		 10980#endif /* CONFIG_MBO */
10981
b658547d
JM		 10982#endif /* CONFIG_DRIVER_NL80211_QCA */
10983
7c813acf 10984
6922d440
IP		 10985static int nl80211_write_to_file(const char *name, unsigned int val)
10986{
10987 int fd, len;
10988 char tmp[128];
3b726df8 10989 int ret = 0;
6922d440
IP		 10990
10991 fd = open(name, O_RDWR);
10992 if (fd < 0) {
3b726df8
BN		 10993 int level;
10994 /*
10995 * Flags may not exist on older kernels, or while we're tearing
10996 * down a disappearing device.
10997 */
10998 if (errno == ENOENT) {
10999 ret = 0;
11000 level = MSG_DEBUG;
11001 } else {
11002 ret = -1;
11003 level = MSG_ERROR;
11004 }
11005 wpa_printf(level, "nl80211: Failed to open %s: %s",
6922d440 11006 name, strerror(errno));
3b726df8 11007 return ret;
6922d440
IP		 11008 }
11009
11010 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
11011 len = write(fd, tmp, len);
3b726df8
BN		 11012 if (len < 0) {
11013 ret = -1;
6922d440
IP		 11014 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
11015 name, strerror(errno));
3b726df8 11016 }
6922d440
IP		 11017 close(fd);
11018
3b726df8 11019 return ret;
6922d440
IP		 11020}
11021
11022
11023static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
11024{
11025 struct i802_bss *bss = priv;
11026 char path[128];
11027 int ret;
11028
11029 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
11030 filter_flags);
11031
11032 /* Configure filtering of unicast frame encrypted using GTK */
11033 ret = os_snprintf(path, sizeof(path),
11034 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
11035 bss->ifname);
bd86ea08
JM		 11036 if (os_snprintf_error(sizeof(path), ret))
11037 return -1;
6922d440
IP		 11038
11039 ret = nl80211_write_to_file(path,
11040 !!(filter_flags &
11041 WPA_DATA_FRAME_FILTER_FLAG_GTK));
11042 if (ret) {
11043 wpa_printf(MSG_ERROR,
11044 "nl80211: Failed to set IPv4 unicast in multicast filter");
11045 return ret;
11046 }
11047
11048 os_snprintf(path, sizeof(path),
11049 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
11050 bss->ifname);
11051 ret = nl80211_write_to_file(path,
11052 !!(filter_flags &
11053 WPA_DATA_FRAME_FILTER_FLAG_GTK));
11054
11055 if (ret) {
11056 wpa_printf(MSG_ERROR,
11057 "nl80211: Failed to set IPv6 unicast in multicast filter");
11058 return ret;
11059 }
11060
11061 /* Configure filtering of unicast frame encrypted using GTK */
11062 os_snprintf(path, sizeof(path),
11063 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
11064 bss->ifname);
11065 ret = nl80211_write_to_file(path,
11066 !!(filter_flags &
11067 WPA_DATA_FRAME_FILTER_FLAG_ARP));
11068 if (ret) {
11069 wpa_printf(MSG_ERROR,
11070 "nl80211: Failed set gratuitous ARP filter");
11071 return ret;
11072 }
11073
11074 /* Configure filtering of IPv6 NA frames */
11075 os_snprintf(path, sizeof(path),
11076 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
11077 bss->ifname);
11078 ret = nl80211_write_to_file(path,
11079 !!(filter_flags &
11080 WPA_DATA_FRAME_FILTER_FLAG_NA));
11081 if (ret) {
11082 wpa_printf(MSG_ERROR,
11083 "nl80211: Failed to set unsolicited NA filter");
11084 return ret;
11085 }
11086
11087 return 0;
11088}
11089
11090
cc9a2575
KV		 11091static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
11092 const u8 **ext_capa, const u8 **ext_capa_mask,
11093 unsigned int *ext_capa_len)
11094{
11095 struct i802_bss *bss = priv;
11096 struct wpa_driver_nl80211_data *drv = bss->drv;
11097 enum nl80211_iftype nlmode;
11098 unsigned int i;
11099
11100 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
11101 return -1;
11102
11103 nlmode = wpa_driver_nl80211_if_type(type);
11104
11105 /* By default, use the per-radio values */
11106 *ext_capa = drv->extended_capa;
11107 *ext_capa_mask = drv->extended_capa_mask;
11108 *ext_capa_len = drv->extended_capa_len;
11109
11110 /* Replace the default value if a per-interface type value exists */
11111 for (i = 0; i < drv->num_iface_ext_capa; i++) {
11112 if (nlmode == drv->iface_ext_capa[i].iftype) {
11113 *ext_capa = drv->iface_ext_capa[i].ext_capa;
11114 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
11115 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
11116 break;
11117 }
11118 }
11119
11120 return 0;
11121}
11122
11123
3c67e977
VK		 11124static int nl80211_update_connection_params(
11125 void *priv, struct wpa_driver_associate_params *params,
11126 enum wpa_drv_update_connect_params_mask mask)
11127{
11128 struct i802_bss *bss = priv;
11129 struct wpa_driver_nl80211_data *drv = bss->drv;
11130 struct nl_msg *msg;
11131 int ret = -1;
11132 enum nl80211_auth_type type;
11133
c574a3ff
SD		 11134 /* Update Connection Params is intended for drivers that implement
11135 * internal SME and expect these updated connection params from
11136 * wpa_supplicant. Do not send this request for the drivers using
11137 * SME from wpa_supplicant.
11138 */
11139 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
11140 return 0;
11141
3c67e977
VK		 11142 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
11143 if (!msg)
11144 goto fail;
11145
11146 wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
11147 drv->ifindex);
11148
11149 if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
11150 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
11151 params->wpa_ie))
11152 goto fail;
11153 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie,
11154 params->wpa_ie_len);
11155 }
11156
11157 if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
11158 type = get_nl_auth_type(params->auth_alg);
11159 if (type == NL80211_AUTHTYPE_MAX ||
11160 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
11161 goto fail;
11162 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
11163 }
11164
11165 if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
11166 nl80211_put_fils_connect_params(drv, params, msg))
11167 goto fail;
11168
11169 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11170 msg = NULL;
11171 if (ret)
11172 wpa_dbg(drv->ctx, MSG_DEBUG,
11173 "nl80211: Update connect params command failed: ret=%d (%s)",
11174 ret, strerror(-ret));
11175
11176fail:
11177 nlmsg_free(msg);
11178 return ret;
11179}
11180
11181
ba71cb82
SD		 11182static int nl80211_send_external_auth_status(void *priv,
11183 struct external_auth *params)
11184{
11185 struct i802_bss *bss = priv;
11186 struct wpa_driver_nl80211_data *drv = bss->drv;
11187 struct nl_msg *msg = NULL;
11188 int ret = -1;
11189
236e793e 11190 /* External auth command/status is intended for drivers that implement
1730a6a5
JM		 11191 * internal SME but want to offload authentication processing (e.g.,
11192 * SAE) to hostapd/wpa_supplicant. Do not send the status to drivers
236e793e
SD		 11193 * which do not support AP SME or use wpa_supplicant/hostapd SME.
11194 */
2552a373 11195 if ((is_ap_interface(drv->nlmode) && !bss->drv->device_ap_sme) ||
236e793e
SD		 11196 (drv->capa.flags & WPA_DRIVER_FLAGS_SME))
11197 return -1;
11198
ba71cb82
SD		 11199 wpa_dbg(drv->ctx, MSG_DEBUG,
11200 "nl80211: External auth status: %u", params->status);
11201
11202 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH);
11203 if (!msg ||
11204 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) ||
dd1a8cef 11205 (params->ssid && params->ssid_len &&
236e793e
SD		 11206 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
11207 (params->pmkid &&
11208 nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) ||
dd1a8cef
JM		 11209 (params->bssid &&
11210 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
ba71cb82
SD		 11211 goto fail;
11212 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11213 msg = NULL;
11214 if (ret) {
11215 wpa_printf(MSG_DEBUG,
11216 "nl80211: External Auth status update failed: ret=%d (%s)",
11217 ret, strerror(-ret));
11218 goto fail;
11219 }
11220fail:
11221 nlmsg_free(msg);
11222 return ret;
11223}
11224
11225
5abc7823
VN		 11226static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
11227 int val)
11228{
11229 struct i802_bss *bss = priv;
11230 struct wpa_driver_nl80211_data *drv = bss->drv;
11231 struct nl_msg *msg;
11232 int ret = -ENOBUFS;
11233
11234 wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
11235 val ? "Enable" : "Disable", bridge_ifname);
11236
11237 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
11238 if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
11239 goto fail;
11240
11241 if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
11242 if (linux_br_del_if(drv->global->ioctl_sock,
11243 bridge_ifname, bss->ifname)) {
11244 wpa_printf(MSG_ERROR,
11245 "nl80211: Failed to remove interface %s from bridge %s",
11246 bss->ifname, bridge_ifname);
11247 return -1;
11248 }
11249 bss->added_if_into_bridge = 0;
11250 }
11251
11252 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11253 msg = NULL;
11254 if (!ret) {
11255 if (bridge_ifname[0] && val &&
11256 i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
11257 return -1;
11258 return 0;
11259 }
11260
11261fail:
11262 nlmsg_free(msg);
11263 wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
11264
11265 return ret;
11266}
11267
11268
3f5285e8
JM		 11269const struct wpa_driver_ops wpa_driver_nl80211_ops = {
11270 .name = "nl80211",
11271 .desc = "Linux nl80211/cfg80211",
11272 .get_bssid = wpa_driver_nl80211_get_bssid,
11273 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 11274 .set_key = driver_nl80211_set_key,
11275 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 11276 .sched_scan = wpa_driver_nl80211_sched_scan,
11277 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 11278 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
4f30addb 11279 .abort_scan = wpa_driver_nl80211_abort_scan,
9ebce9c5
JM		 11280 .deauthenticate = driver_nl80211_deauthenticate,
11281 .authenticate = driver_nl80211_authenticate,
3f5285e8 11282 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 11283 .global_init = nl80211_global_init,
11284 .global_deinit = nl80211_global_deinit,
11285 .init2 = wpa_driver_nl80211_init,
9ebce9c5 11286 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 11287 .get_capa = wpa_driver_nl80211_get_capa,
11288 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 11289 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 11290 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 11291 .get_country = wpa_driver_nl80211_get_country,
19c3b566 11292 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 11293 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 11294 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 11295 .if_remove = driver_nl80211_if_remove,
11296 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 11297 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 11298 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 11299 .sta_remove = driver_nl80211_sta_remove,
8759e911 11300 .tx_control_port = nl80211_tx_control_port,
db149ac9 11301 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 11302 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
1d6f6385 11303 .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight,
c5121837 11304 .hapd_init = i802_init,
c5121837 11305 .hapd_deinit = i802_deinit,
f7b3920c 11306 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 11307 .get_seqnum = i802_get_seqnum,
11308 .flush = i802_flush,
c5121837
JM		 11309 .get_inact_sec = i802_get_inact_sec,
11310 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 11311 .set_rts = i802_set_rts,
11312 .set_frag = i802_set_frag,
c5121837 11313 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 11314 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 11315 .sta_deauth = i802_sta_deauth,
11316 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 11317 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 11318 .set_freq = i802_set_freq,
9ebce9c5 11319 .send_action = driver_nl80211_send_action,
5dfca53f 11320 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 11321 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
11322 .cancel_remain_on_channel =
11323 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 11324 .probe_req_report = driver_nl80211_probe_req_report,
af473088 11325 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 11326 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 11327 .resume = wpa_driver_nl80211_resume,
b625473c 11328 .signal_monitor = nl80211_signal_monitor,
1c5c7273 11329 .signal_poll = nl80211_signal_poll,
7f00dc6e 11330 .channel_info = nl80211_channel_info,
c55f774d 11331 .set_param = nl80211_set_param,
6859f1cb 11332 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 11333 .add_pmkid = nl80211_add_pmkid,
11334 .remove_pmkid = nl80211_remove_pmkid,
11335 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 11336 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 11337 .poll_client = nl80211_poll_client,
29f338af 11338 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 11339 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 11340 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 11341#ifdef CONFIG_TDLS
11342 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
11343 .tdls_oper = nl80211_tdls_oper,
72b2605f
AN		 11344 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
11345 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
03ea1786 11346#endif /* CONFIG_TDLS */
6a1ce395 11347 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
d1836e23 11348 .update_dh_ie = nl80211_update_dh_ie,
597b94f5 11349 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 11350 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 11351 .status = wpa_driver_nl80211_status,
1c4ffa87 11352 .switch_channel = nl80211_switch_channel,
0de38036
JM		 11353#ifdef ANDROID_P2P
11354 .set_noa = wpa_driver_set_p2p_noa,
11355 .get_noa = wpa_driver_get_p2p_noa,
11356 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
11357#endif /* ANDROID_P2P */
5e2c3490 11358#ifdef ANDROID
ded14ce9 11359#ifndef ANDROID_LIB_STUB
5e2c3490 11360 .driver_cmd = wpa_driver_nl80211_driver_cmd,
ded14ce9 11361#endif /* !ANDROID_LIB_STUB */
5e2c3490 11362#endif /* ANDROID */
adef8948 11363 .vendor_cmd = nl80211_vendor_cmd,
049105b4 11364 .set_qos_map = nl80211_set_qos_map,
82ba4f2d 11365 .get_wowlan = nl80211_get_wowlan,
e4fa8b12 11366 .set_wowlan = nl80211_set_wowlan,
fee354c7 11367 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 11368#ifdef CONFIG_MESH
11369 .init_mesh = wpa_driver_nl80211_init_mesh,
11370 .join_mesh = wpa_driver_nl80211_join_mesh,
11371 .leave_mesh = wpa_driver_nl80211_leave_mesh,
c36109e4 11372 .probe_mesh_link = nl80211_probe_mesh_link,
6c1664f6 11373#endif /* CONFIG_MESH */
71103bed
KP		 11374 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
11375 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 11376 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 11377 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB		 11378 .add_tx_ts = nl80211_add_ts,
11379 .del_tx_ts = nl80211_del_ts,
45e3fc72 11380 .get_ifindex = nl80211_get_ifindex,
b658547d 11381#ifdef CONFIG_DRIVER_NL80211_QCA
9607a1ae 11382 .roaming = nl80211_roaming,
d98038bb 11383 .disable_fils = nl80211_disable_fils,
16689c7c 11384 .do_acs = wpa_driver_do_acs,
844dfeb8 11385 .set_band = nl80211_set_band,
98342208 11386 .get_pref_freq_list = nl80211_get_pref_freq_list,
7c813acf 11387 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
a6f5b193
PX		 11388 .p2p_lo_start = nl80211_p2p_lo_start,
11389 .p2p_lo_stop = nl80211_p2p_lo_stop,
cc9985d1 11390 .set_default_scan_ies = nl80211_set_default_scan_ies,
2e4e4fb7 11391 .set_tdls_mode = nl80211_set_tdls_mode,
3ab48492
KV		 11392#ifdef CONFIG_MBO
11393 .get_bss_transition_status = nl80211_get_bss_transition_status,
178553b7 11394 .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
3ab48492 11395#endif /* CONFIG_MBO */
b04854ce 11396 .set_bssid_blacklist = nl80211_set_bssid_blacklist,
df3b2e22 11397 .add_sta_node = nl80211_add_sta_node,
b658547d 11398#endif /* CONFIG_DRIVER_NL80211_QCA */
6922d440 11399 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
cc9a2575 11400 .get_ext_capab = nl80211_get_ext_capab,
3c67e977 11401 .update_connect_params = nl80211_update_connection_params,
ba71cb82 11402 .send_external_auth_status = nl80211_send_external_auth_status,
5abc7823 11403 .set_4addr_mode = nl80211_set_4addr_mode,
3f5285e8 11404};
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