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Document the attributes used by QCA_NL80211_VENDOR_SUBCMD_ROAM
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
98cd3d1c 3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
072ad14c
JM
4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
58f6fbe0 7 * Copyright (c) 2009-2010, Atheros Communications
3f5285e8 8 *
0f3d578e
JM
9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
3f5285e8
JM
11 */
12
13#include "includes.h"
6859f1cb 14#include <sys/types.h>
73d2294f 15#include <fcntl.h>
37b7d082 16#include <net/if.h>
3f5285e8 17#include <netlink/genl/genl.h>
3f5285e8 18#include <netlink/genl/ctrl.h>
97ed9a06
KP
19#ifdef CONFIG_LIBNL3_ROUTE
20#include <netlink/route/neighbour.h>
21#endif /* CONFIG_LIBNL3_ROUTE */
8602b0f2 22#include <linux/rtnetlink.h>
1b648c7e 23#include <netpacket/packet.h>
32ab4855 24#include <linux/errqueue.h>
625f587b 25
3f5285e8 26#include "common.h"
1b648c7e 27#include "eloop.h"
1682c623 28#include "common/qca-vendor.h"
a26582cb 29#include "common/qca-vendor-attr.h"
1b648c7e 30#include "common/ieee802_11_defs.h"
9b90955e 31#include "common/ieee802_11_common.h"
3aa24db9 32#include "common/wpa_common.h"
f10bfc9a 33#include "l2_packet/l2_packet.h"
e2d02c29 34#include "netlink.h"
1474e6e9 35#include "linux_defines.h"
34f2f814 36#include "linux_ioctl.h"
e2d02c29
JM
37#include "radiotap.h"
38#include "radiotap_iter.h"
8401a6b0 39#include "rfkill.h"
1474e6e9 40#include "driver_nl80211.h"
32ab4855 41
1474e6e9 42
b14e8ea1
JM
43#ifndef NETLINK_CAP_ACK
44#define NETLINK_CAP_ACK 10
45#endif /* NETLINK_CAP_ACK */
40432e6e
JB
46/* support for extack if compilation headers are too old */
47#ifndef NETLINK_EXT_ACK
48#define NETLINK_EXT_ACK 11
49enum nlmsgerr_attrs {
50 NLMSGERR_ATTR_UNUSED,
51 NLMSGERR_ATTR_MSG,
52 NLMSGERR_ATTR_OFFS,
53 NLMSGERR_ATTR_COOKIE,
54
55 __NLMSGERR_ATTR_MAX,
56 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
57};
58#endif
59#ifndef NLM_F_CAPPED
60#define NLM_F_CAPPED 0x100
61#endif
62#ifndef NLM_F_ACK_TLVS
63#define NLM_F_ACK_TLVS 0x200
64#endif
65#ifndef SOL_NETLINK
66#define SOL_NETLINK 270
67#endif
68
1474e6e9 69#ifndef CONFIG_LIBNL20
a65a9aed
JB
70/*
71 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
72 * but when you free a socket again it will mess up its bitmap and
73 * and use the wrong number the next time it needs a socket ID.
74 * Therefore, we wrap the handle alloc/destroy and add our own pid
75 * accounting.
76 */
77static uint32_t port_bitmap[32] = { 0 };
78
79static struct nl_handle *nl80211_handle_alloc(void *cb)
80{
81 struct nl_handle *handle;
82 uint32_t pid = getpid() & 0x3FFFFF;
83 int i;
84
85 handle = nl_handle_alloc_cb(cb);
86
87 for (i = 0; i < 1024; i++) {
88 if (port_bitmap[i / 32] & (1 << (i % 32)))
89 continue;
90 port_bitmap[i / 32] |= 1 << (i % 32);
91 pid += i << 22;
92 break;
93 }
94
95 nl_socket_set_local_port(handle, pid);
96
97 return handle;
98}
99
100static void nl80211_handle_destroy(struct nl_handle *handle)
101{
102 uint32_t port = nl_socket_get_local_port(handle);
103
104 port >>= 22;
105 port_bitmap[port / 32] &= ~(1 << (port % 32));
106
107 nl_handle_destroy(handle);
108}
c5121837
JM
109#endif /* CONFIG_LIBNL20 */
110
c5121837 111
1c6edec6
JM
112#ifdef ANDROID
113/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
1c6edec6
JM
114#undef nl_socket_set_nonblocking
115#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
70a96c81 116
1c6edec6
JM
117#endif /* ANDROID */
118
119
481234cf 120static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 121{
481234cf 122 struct nl_handle *handle;
a92dfde8 123
481234cf
JM
124 handle = nl80211_handle_alloc(cb);
125 if (handle == NULL) {
a92dfde8
JB
126 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
127 "callbacks (%s)", dbg);
481234cf 128 return NULL;
a92dfde8
JB
129 }
130
481234cf 131 if (genl_connect(handle)) {
a92dfde8
JB
132 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
133 "netlink (%s)", dbg);
481234cf
JM
134 nl80211_handle_destroy(handle);
135 return NULL;
a92dfde8
JB
136 }
137
481234cf 138 return handle;
a92dfde8
JB
139}
140
141
481234cf 142static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 143{
481234cf 144 if (*handle == NULL)
a92dfde8 145 return;
481234cf
JM
146 nl80211_handle_destroy(*handle);
147 *handle = NULL;
a92dfde8
JB
148}
149
150
10b85921
JB
151#if __WORDSIZE == 64
152#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
153#else
154#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
155#endif
156
5f65e9f7
JB
157static void nl80211_register_eloop_read(struct nl_handle **handle,
158 eloop_sock_handler handler,
40a68f33 159 void *eloop_data, int persist)
5f65e9f7 160{
fa38860c 161#ifdef CONFIG_LIBNL20
630b3230
JM
162 /*
163 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
164 * by default. It is possible to hit that limit in some cases where
165 * operations are blocked, e.g., with a burst of Deauthentication frames
166 * to hostapd and STA entry deletion. Try to increase the buffer to make
167 * this less likely to occur.
168 */
169 if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
170 wpa_printf(MSG_DEBUG,
171 "nl80211: Could not set nl_socket RX buffer size: %s",
172 strerror(errno));
173 /* continue anyway with the default (smaller) buffer */
174 }
fa38860c 175#endif /* CONFIG_LIBNL20 */
630b3230 176
10b85921 177 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB
178 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
179 eloop_data, *handle);
40a68f33
SD
180 if (!persist)
181 *handle = (void *) (((intptr_t) *handle) ^
182 ELOOP_SOCKET_INVALID);
5f65e9f7
JB
183}
184
185
40a68f33 186static void nl80211_destroy_eloop_handle(struct nl_handle **handle, int persist)
5f65e9f7 187{
40a68f33
SD
188 if (!persist)
189 *handle = (void *) (((intptr_t) *handle) ^
190 ELOOP_SOCKET_INVALID);
5f65e9f7
JB
191 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
192 nl_destroy_handles(handle);
193}
194
195
36d84860 196static void nl80211_global_deinit(void *priv);
f51f54a0 197static void nl80211_check_global(struct nl80211_global *global);
36d84860 198
9ebce9c5 199static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
4ec68377
JD
200static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
201 struct hostapd_freq_params *freq);
3c5d34e3 202
362f781e 203static int
0d547d5f 204wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM
205 const u8 *set_addr, int first,
206 const char *driver_params);
88df0ef7 207static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 208 unsigned int freq, unsigned int wait,
b106173a 209 const u8 *buf, size_t buf_len, u64 *cookie,
2d3943ce
AO
210 int no_cck, int no_ack, int offchanok,
211 const u16 *csa_offs, size_t csa_offs_len);
9ebce9c5
JM
212static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
213 int report);
0915d02c 214
732b1d20
MB
215#define IFIDX_ANY -1
216
217static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
218 int ifidx_reason);
219static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
220 int ifidx_reason);
221static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
222 int ifidx_reason);
072ad14c 223
e87ef751
PX
224static int nl80211_set_channel(struct i802_bss *bss,
225 struct hostapd_freq_params *freq, int set_chan);
4e5cb1a3
JM
226static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
227 int ifindex, int disabled);
504e905c 228
666e508c
JM
229static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
230 int reset_mode);
21bdbe38 231
bf83eab5 232static int i802_set_iface_flags(struct i802_bss *bss, int up);
0ecff8d7 233static int nl80211_set_param(void *priv, const char *param);
052b8d38
MH
234#ifdef CONFIG_MESH
235static int nl80211_put_mesh_config(struct nl_msg *msg,
236 struct wpa_driver_mesh_bss_params *params);
237#endif /* CONFIG_MESH */
05e5e615 238static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 239 u16 reason);
bf83eab5 240
3f5285e8 241
8d1fdde7 242/* Converts nl80211_chan_width to a common format */
f3407c66 243enum chan_width convert2width(int width)
8d1fdde7
JD
244{
245 switch (width) {
246 case NL80211_CHAN_WIDTH_20_NOHT:
247 return CHAN_WIDTH_20_NOHT;
248 case NL80211_CHAN_WIDTH_20:
249 return CHAN_WIDTH_20;
250 case NL80211_CHAN_WIDTH_40:
251 return CHAN_WIDTH_40;
252 case NL80211_CHAN_WIDTH_80:
253 return CHAN_WIDTH_80;
254 case NL80211_CHAN_WIDTH_80P80:
255 return CHAN_WIDTH_80P80;
256 case NL80211_CHAN_WIDTH_160:
257 return CHAN_WIDTH_160;
258 }
259 return CHAN_WIDTH_UNKNOWN;
260}
261
262
f3407c66 263int is_ap_interface(enum nl80211_iftype nlmode)
b1f625e0 264{
0e80ea2c
JM
265 return nlmode == NL80211_IFTYPE_AP ||
266 nlmode == NL80211_IFTYPE_P2P_GO;
b1f625e0
EP
267}
268
269
477af8f8 270int is_sta_interface(enum nl80211_iftype nlmode)
b1f625e0 271{
0e80ea2c
JM
272 return nlmode == NL80211_IFTYPE_STATION ||
273 nlmode == NL80211_IFTYPE_P2P_CLIENT;
b1f625e0
EP
274}
275
276
6a71413e 277static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2 278{
0e80ea2c
JM
279 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
280 nlmode == NL80211_IFTYPE_P2P_GO;
b3af99d2
JM
281}
282
283
f3407c66
JM
284struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
285 int ifindex)
5dfbd725
JM
286{
287 struct i802_bss *bss;
288
289 for (bss = drv->first_bss; bss; bss = bss->next) {
290 if (bss->ifindex == ifindex)
291 return bss;
292 }
293
294 return NULL;
295}
296
297
afb0550a
BC
298static int is_mesh_interface(enum nl80211_iftype nlmode)
299{
300 return nlmode == NL80211_IFTYPE_MESH_POINT;
301}
302
303
f3407c66 304void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
add9b7a4
JM
305{
306 if (drv->associated)
307 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
308 drv->associated = 0;
309 os_memset(drv->bssid, 0, ETH_ALEN);
091c2277 310 drv->first_bss->freq = 0;
add9b7a4
JM
311}
312
313
6241fcb1
JM
314/* nl80211 code */
315static int ack_handler(struct nl_msg *msg, void *arg)
316{
317 int *err = arg;
318 *err = 0;
319 return NL_STOP;
320}
321
322static int finish_handler(struct nl_msg *msg, void *arg)
323{
8e8df255
JM
324 int *ret = arg;
325 *ret = 0;
6241fcb1
JM
326 return NL_SKIP;
327}
328
329static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
330 void *arg)
331{
40432e6e
JB
332 struct nlmsghdr *nlh = (struct nlmsghdr *) err - 1;
333 int len = nlh->nlmsg_len;
334 struct nlattr *attrs;
335 struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
6241fcb1 336 int *ret = arg;
40432e6e
JB
337 int ack_len = sizeof(*nlh) + sizeof(int) + sizeof(*nlh);
338
6241fcb1 339 *ret = err->error;
40432e6e
JB
340
341 if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS))
342 return NL_SKIP;
343
344 if (!(nlh->nlmsg_flags & NLM_F_CAPPED))
345 ack_len += err->msg.nlmsg_len - sizeof(*nlh);
346
347 if (len <= ack_len)
348 return NL_STOP;
349
350 attrs = (void *) ((unsigned char *) nlh + ack_len);
351 len -= ack_len;
352
353 nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, len, NULL);
354 if (tb[NLMSGERR_ATTR_MSG]) {
355 len = strnlen((char *) nla_data(tb[NLMSGERR_ATTR_MSG]),
356 nla_len(tb[NLMSGERR_ATTR_MSG]));
357 wpa_printf(MSG_ERROR, "nl80211: kernel reports: %*s",
358 len, (char *) nla_data(tb[NLMSGERR_ATTR_MSG]));
359 }
360
6241fcb1
JM
361 return NL_SKIP;
362}
363
5b7b85f6
JM
364
365static int no_seq_check(struct nl_msg *msg, void *arg)
366{
367 return NL_OK;
368}
369
370
bbd89bfc
JM
371static void nl80211_nlmsg_clear(struct nl_msg *msg)
372{
373 /*
374 * Clear nlmsg data, e.g., to make sure key material is not left in
375 * heap memory for unnecessarily long time.
376 */
377 if (msg) {
378 struct nlmsghdr *hdr = nlmsg_hdr(msg);
379 void *data = nlmsg_data(hdr);
d58ade21
JM
380 /*
381 * This would use nlmsg_datalen() or the older nlmsg_len() if
382 * only libnl were to maintain a stable API.. Neither will work
383 * with all released versions, so just calculate the length
384 * here.
385 */
386 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
bbd89bfc
JM
387
388 os_memset(data, 0, len);
389 }
390}
391
392
d6c9aab8 393static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM
394 struct nl_handle *nl_handle, struct nl_msg *msg,
395 int (*valid_handler)(struct nl_msg *, void *),
396 void *valid_data)
6241fcb1
JM
397{
398 struct nl_cb *cb;
40432e6e 399 int err = -ENOMEM, opt;
6241fcb1 400
9725b784
JM
401 if (!msg)
402 return -ENOMEM;
403
d6c9aab8 404 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM
405 if (!cb)
406 goto out;
407
40432e6e
JB
408 /* try to set NETLINK_EXT_ACK to 1, ignoring errors */
409 opt = 1;
410 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
411 NETLINK_EXT_ACK, &opt, sizeof(opt));
412
b14e8ea1
JM
413 /* try to set NETLINK_CAP_ACK to 1, ignoring errors */
414 opt = 1;
415 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
416 NETLINK_CAP_ACK, &opt, sizeof(opt));
417
58f6fbe0 418 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM
419 if (err < 0)
420 goto out;
421
422 err = 1;
423
424 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 425 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM
426 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
427
428 if (valid_handler)
429 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
430 valid_handler, valid_data);
431
34068ac3
JM
432 while (err > 0) {
433 int res = nl_recvmsgs(nl_handle, cb);
d3d04831 434 if (res < 0) {
34068ac3
JM
435 wpa_printf(MSG_INFO,
436 "nl80211: %s->nl_recvmsgs failed: %d",
437 __func__, res);
438 }
439 }
6241fcb1
JM
440 out:
441 nl_cb_put(cb);
bbd89bfc
JM
442 if (!valid_handler && valid_data == (void *) -1)
443 nl80211_nlmsg_clear(msg);
6241fcb1
JM
444 nlmsg_free(msg);
445 return err;
446}
447
448
f3407c66
JM
449int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
450 struct nl_msg *msg,
451 int (*valid_handler)(struct nl_msg *, void *),
452 void *valid_data)
58f6fbe0 453{
481234cf 454 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 455 valid_handler, valid_data);
58f6fbe0
JM
456}
457
458
97865538
JM
459struct family_data {
460 const char *group;
461 int id;
462};
463
464
465static int family_handler(struct nl_msg *msg, void *arg)
466{
467 struct family_data *res = arg;
468 struct nlattr *tb[CTRL_ATTR_MAX + 1];
469 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
470 struct nlattr *mcgrp;
471 int i;
472
473 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
474 genlmsg_attrlen(gnlh, 0), NULL);
475 if (!tb[CTRL_ATTR_MCAST_GROUPS])
476 return NL_SKIP;
477
478 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
479 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
480 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
481 nla_len(mcgrp), NULL);
482 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
483 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
484 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
485 res->group,
486 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
487 continue;
488 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
489 break;
490 };
491
492 return NL_SKIP;
493}
494
495
d6c9aab8 496static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM
497 const char *family, const char *group)
498{
499 struct nl_msg *msg;
a862e4a3 500 int ret;
97865538
JM
501 struct family_data res = { group, -ENOENT };
502
503 msg = nlmsg_alloc();
504 if (!msg)
505 return -ENOMEM;
a862e4a3
JM
506 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
507 0, 0, CTRL_CMD_GETFAMILY, 0) ||
508 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
509 nlmsg_free(msg);
510 return -1;
511 }
97865538 512
1033315f 513 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
97865538
JM
514 if (ret == 0)
515 ret = res.id;
97865538
JM
516 return ret;
517}
518
519
f3407c66
JM
520void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
521 struct nl_msg *msg, int flags, uint8_t cmd)
9fb04070 522{
a5a187b0
JM
523 if (TEST_FAIL())
524 return NULL;
335d42b1 525 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 526 0, flags, cmd, 0);
9fb04070
JM
527}
528
529
350acc35
JM
530static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
531{
532 if (bss->wdev_id_set)
533 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
534 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
535}
536
537
07c7757c
JM
538struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
539{
540 struct nl_msg *msg;
541
542 msg = nlmsg_alloc();
543 if (!msg)
544 return NULL;
545
546 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
547 nl80211_set_iface_id(msg, bss) < 0) {
548 nlmsg_free(msg);
549 return NULL;
550 }
551
552 return msg;
553}
554
555
556static struct nl_msg *
557nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
558 int flags, uint8_t cmd)
559{
560 struct nl_msg *msg;
561
562 msg = nlmsg_alloc();
563 if (!msg)
564 return NULL;
565
566 if (!nl80211_cmd(drv, msg, flags, cmd) ||
567 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
568 nlmsg_free(msg);
569 return NULL;
570 }
571
572 return msg;
573}
574
575
576struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
577 uint8_t cmd)
578{
579 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
580}
581
582
583struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
584{
585 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
586}
587
588
e32ad281
JB
589struct wiphy_idx_data {
590 int wiphy_idx;
01517c8b 591 enum nl80211_iftype nlmode;
597b94f5 592 u8 *macaddr;
e32ad281
JB
593};
594
595
596static int netdev_info_handler(struct nl_msg *msg, void *arg)
597{
598 struct nlattr *tb[NL80211_ATTR_MAX + 1];
599 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
600 struct wiphy_idx_data *info = arg;
601
602 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
603 genlmsg_attrlen(gnlh, 0), NULL);
604
605 if (tb[NL80211_ATTR_WIPHY])
606 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
607
01517c8b
JB
608 if (tb[NL80211_ATTR_IFTYPE])
609 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
610
597b94f5
AS
611 if (tb[NL80211_ATTR_MAC] && info->macaddr)
612 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
613 ETH_ALEN);
614
e32ad281
JB
615 return NL_SKIP;
616}
617
618
f3407c66 619int nl80211_get_wiphy_index(struct i802_bss *bss)
e32ad281
JB
620{
621 struct nl_msg *msg;
622 struct wiphy_idx_data data = {
623 .wiphy_idx = -1,
597b94f5 624 .macaddr = NULL,
e32ad281
JB
625 };
626
56f77852 627 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 628 return -1;
e32ad281
JB
629
630 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
631 return data.wiphy_idx;
e32ad281
JB
632 return -1;
633}
634
635
01517c8b
JB
636static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
637{
638 struct nl_msg *msg;
639 struct wiphy_idx_data data = {
597b94f5
AS
640 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
641 .macaddr = NULL,
01517c8b
JB
642 };
643
56f77852 644 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 645 return NL80211_IFTYPE_UNSPECIFIED;
01517c8b
JB
646
647 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
648 return data.nlmode;
01517c8b
JB
649 return NL80211_IFTYPE_UNSPECIFIED;
650}
01517c8b
JB
651
652
597b94f5
AS
653static int nl80211_get_macaddr(struct i802_bss *bss)
654{
655 struct nl_msg *msg;
656 struct wiphy_idx_data data = {
657 .macaddr = bss->addr,
658 };
659
56f77852 660 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 661 return -1;
597b94f5 662
597b94f5 663 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
597b94f5 664}
597b94f5
AS
665
666
e32ad281
JB
667static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
668 struct nl80211_wiphy_data *w)
669{
670 struct nl_msg *msg;
a862e4a3 671 int ret;
e32ad281
JB
672
673 msg = nlmsg_alloc();
674 if (!msg)
675 return -1;
676
a862e4a3
JM
677 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
678 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
679 nlmsg_free(msg);
680 return -1;
681 }
e32ad281 682
481234cf 683 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB
684 if (ret) {
685 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
686 "failed: ret=%d (%s)",
687 ret, strerror(-ret));
e32ad281 688 }
e32ad281
JB
689 return ret;
690}
691
692
693static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
694{
695 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 696 int res;
e32ad281 697
ee9fc67a 698 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 699
34068ac3 700 res = nl_recvmsgs(handle, w->nl_cb);
d3d04831 701 if (res < 0) {
34068ac3
JM
702 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
703 __func__, res);
704 }
e32ad281
JB
705}
706
707
708static int process_beacon_event(struct nl_msg *msg, void *arg)
709{
710 struct nl80211_wiphy_data *w = arg;
711 struct wpa_driver_nl80211_data *drv;
712 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
713 struct nlattr *tb[NL80211_ATTR_MAX + 1];
714 union wpa_event_data event;
715
716 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
717 genlmsg_attrlen(gnlh, 0), NULL);
718
719 if (gnlh->cmd != NL80211_CMD_FRAME) {
720 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
721 gnlh->cmd);
722 return NL_SKIP;
723 }
724
725 if (!tb[NL80211_ATTR_FRAME])
726 return NL_SKIP;
727
728 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
729 wiphy_list) {
730 os_memset(&event, 0, sizeof(event));
731 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
732 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
733 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
734 }
735
736 return NL_SKIP;
737}
738
739
740static struct nl80211_wiphy_data *
741nl80211_get_wiphy_data_ap(struct i802_bss *bss)
742{
743 static DEFINE_DL_LIST(nl80211_wiphys);
744 struct nl80211_wiphy_data *w;
745 int wiphy_idx, found = 0;
746 struct i802_bss *tmp_bss;
a70cd0db 747 u8 channel;
e32ad281
JB
748
749 if (bss->wiphy_data != NULL)
750 return bss->wiphy_data;
751
752 wiphy_idx = nl80211_get_wiphy_index(bss);
753
754 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
755 if (w->wiphy_idx == wiphy_idx)
756 goto add;
757 }
758
759 /* alloc new one */
760 w = os_zalloc(sizeof(*w));
761 if (w == NULL)
762 return NULL;
763 w->wiphy_idx = wiphy_idx;
764 dl_list_init(&w->bsss);
765 dl_list_init(&w->drvs);
766
a70cd0db
DL
767 /* Beacon frames not supported in IEEE 802.11ad */
768 if (ieee80211_freq_to_chan(bss->freq, &channel) !=
769 HOSTAPD_MODE_IEEE80211AD) {
770 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
771 if (!w->nl_cb) {
772 os_free(w);
773 return NULL;
774 }
775 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
776 no_seq_check, NULL);
777 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
778 process_beacon_event, w);
779
780 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
781 "wiphy beacons");
782 if (w->nl_beacons == NULL) {
783 os_free(w);
784 return NULL;
785 }
e32ad281 786
a70cd0db
DL
787 if (nl80211_register_beacons(bss->drv, w)) {
788 nl_destroy_handles(&w->nl_beacons);
789 os_free(w);
790 return NULL;
791 }
e32ad281 792
a70cd0db 793 nl80211_register_eloop_read(&w->nl_beacons,
40a68f33 794 nl80211_recv_beacons, w, 0);
e32ad281
JB
795 }
796
e32ad281
JB
797 dl_list_add(&nl80211_wiphys, &w->list);
798
799add:
800 /* drv entry for this bss already there? */
801 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
802 if (tmp_bss->drv == bss->drv) {
803 found = 1;
804 break;
805 }
806 }
807 /* if not add it */
808 if (!found)
809 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
810
811 dl_list_add(&w->bsss, &bss->wiphy_list);
812 bss->wiphy_data = w;
813 return w;
814}
815
816
817static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
818{
819 struct nl80211_wiphy_data *w = bss->wiphy_data;
820 struct i802_bss *tmp_bss;
821 int found = 0;
822
823 if (w == NULL)
824 return;
825 bss->wiphy_data = NULL;
826 dl_list_del(&bss->wiphy_list);
827
828 /* still any for this drv present? */
829 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
830 if (tmp_bss->drv == bss->drv) {
831 found = 1;
832 break;
833 }
834 }
835 /* if not remove it */
836 if (!found)
837 dl_list_del(&bss->drv->wiphy_list);
838
839 if (!dl_list_empty(&w->bsss))
840 return;
841
a70cd0db 842 if (w->nl_beacons)
40a68f33 843 nl80211_destroy_eloop_handle(&w->nl_beacons, 0);
e32ad281
JB
844
845 nl_cb_put(w->nl_cb);
e32ad281
JB
846 dl_list_del(&w->list);
847 os_free(w);
848}
849
850
45e3fc72
RM
851static unsigned int nl80211_get_ifindex(void *priv)
852{
853 struct i802_bss *bss = priv;
854 struct wpa_driver_nl80211_data *drv = bss->drv;
855
856 return drv->ifindex;
857}
858
859
3f5285e8
JM
860static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
861{
a2e40bb6
FF
862 struct i802_bss *bss = priv;
863 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM
864 if (!drv->associated)
865 return -1;
866 os_memcpy(bssid, drv->bssid, ETH_ALEN);
867 return 0;
3f5285e8
JM
868}
869
870
3f5285e8
JM
871static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
872{
a2e40bb6
FF
873 struct i802_bss *bss = priv;
874 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM
875 if (!drv->associated)
876 return -1;
877 os_memcpy(ssid, drv->ssid, drv->ssid_len);
878 return drv->ssid_len;
3f5285e8
JM
879}
880
881
90a545cc 882static void wpa_driver_nl80211_event_newlink(
45e3fc72
RM
883 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
884 int ifindex, const char *ifname)
3f5285e8
JM
885{
886 union wpa_event_data event;
887
45e3fc72 888 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM
889 if (if_nametoindex(drv->first_bss->ifname) == 0) {
890 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
891 drv->first_bss->ifname);
892 return;
893 }
894 if (!drv->if_removed)
895 return;
896 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
897 drv->first_bss->ifname);
898 drv->if_removed = 0;
899 }
900
3f5285e8 901 os_memset(&event, 0, sizeof(event));
45e3fc72 902 event.interface_status.ifindex = ifindex;
90a545cc
JM
903 os_strlcpy(event.interface_status.ifname, ifname,
904 sizeof(event.interface_status.ifname));
905 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
45e3fc72
RM
906 if (drv)
907 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
908 else
909 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
910 &event);
90a545cc
JM
911}
912
913
914static void wpa_driver_nl80211_event_dellink(
45e3fc72
RM
915 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
916 int ifindex, const char *ifname)
90a545cc
JM
917{
918 union wpa_event_data event;
919
45e3fc72 920 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM
921 if (drv->if_removed) {
922 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
923 ifname);
924 return;
d1f4942b 925 }
90a545cc
JM
926 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
927 ifname);
928 drv->if_removed = 1;
929 } else {
930 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
931 ifname);
7524cfb1
JM
932 }
933
90a545cc 934 os_memset(&event, 0, sizeof(event));
45e3fc72 935 event.interface_status.ifindex = ifindex;
90a545cc
JM
936 os_strlcpy(event.interface_status.ifname, ifname,
937 sizeof(event.interface_status.ifname));
938 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
45e3fc72
RM
939 if (drv)
940 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
941 else
942 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
943 &event);
3f5285e8
JM
944}
945
946
7524cfb1 947static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 948 u8 *buf, size_t len)
7524cfb1 949{
62d680c3 950 int attrlen, rta_len;
7524cfb1
JM
951 struct rtattr *attr;
952
62d680c3
JM
953 attrlen = len;
954 attr = (struct rtattr *) buf;
7524cfb1
JM
955
956 rta_len = RTA_ALIGN(sizeof(struct rtattr));
957 while (RTA_OK(attr, attrlen)) {
958 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP
959 if (os_strcmp(((char *) attr) + rta_len,
960 drv->first_bss->ifname) == 0)
7524cfb1
JM
961 return 1;
962 else
963 break;
964 }
965 attr = RTA_NEXT(attr, attrlen);
966 }
967
968 return 0;
969}
970
971
972static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 973 int ifindex, u8 *buf, size_t len)
7524cfb1
JM
974{
975 if (drv->ifindex == ifindex)
976 return 1;
977
62d680c3 978 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
f51f54a0 979 nl80211_check_global(drv->global);
7524cfb1
JM
980 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
981 "interface");
5e0c20ff
JM
982 if (wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL) < 0)
983 return -1;
7524cfb1
JM
984 return 1;
985 }
986
987 return 0;
988}
989
990
36d84860 991static struct wpa_driver_nl80211_data *
5e0c20ff
JM
992nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len,
993 int *init_failed)
36d84860
BG
994{
995 struct wpa_driver_nl80211_data *drv;
5e0c20ff
JM
996 int res;
997
998 if (init_failed)
999 *init_failed = 0;
36d84860
BG
1000 dl_list_for_each(drv, &global->interfaces,
1001 struct wpa_driver_nl80211_data, list) {
5e0c20ff
JM
1002 res = wpa_driver_nl80211_own_ifindex(drv, idx, buf, len);
1003 if (res < 0) {
1004 wpa_printf(MSG_DEBUG,
1005 "nl80211: Found matching own interface, but failed to complete reinitialization");
1006 if (init_failed)
1007 *init_failed = 1;
1008 return drv;
1009 }
1010 if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY))
36d84860
BG
1011 return drv;
1012 }
1013 return NULL;
1014}
1015
1016
290834df 1017static void nl80211_refresh_mac(struct wpa_driver_nl80211_data *drv,
77a020a1 1018 int ifindex, int notify)
290834df
BG
1019{
1020 struct i802_bss *bss;
1021 u8 addr[ETH_ALEN];
1022
1023 bss = get_bss_ifindex(drv, ifindex);
1024 if (bss &&
1025 linux_get_ifhwaddr(drv->global->ioctl_sock,
1026 bss->ifname, addr) < 0) {
1027 wpa_printf(MSG_DEBUG,
1028 "nl80211: %s: failed to re-read MAC address",
1029 bss->ifname);
1030 } else if (bss && os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1031 wpa_printf(MSG_DEBUG,
1032 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1033 MACSTR " to " MACSTR,
1034 ifindex, bss->ifname,
1035 MAC2STR(bss->addr), MAC2STR(addr));
1036 os_memcpy(bss->addr, addr, ETH_ALEN);
77a020a1
BG
1037 if (notify)
1038 wpa_supplicant_event(drv->ctx,
1039 EVENT_INTERFACE_MAC_CHANGED, NULL);
290834df
BG
1040 }
1041}
1042
1043
62d680c3
JM
1044static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1045 struct ifinfomsg *ifi,
1046 u8 *buf, size_t len)
3f5285e8 1047{
36d84860
BG
1048 struct nl80211_global *global = ctx;
1049 struct wpa_driver_nl80211_data *drv;
90a545cc 1050 int attrlen;
62d680c3 1051 struct rtattr *attr;
97cfcf64 1052 u32 brid = 0;
aef85ba2 1053 char namebuf[IFNAMSIZ];
90a545cc
JM
1054 char ifname[IFNAMSIZ + 1];
1055 char extra[100], *pos, *end;
5e0c20ff 1056 int init_failed;
3f5285e8 1057
90a545cc
JM
1058 extra[0] = '\0';
1059 pos = extra;
1060 end = pos + sizeof(extra);
1061 ifname[0] = '\0';
1062
1063 attrlen = len;
1064 attr = (struct rtattr *) buf;
1065 while (RTA_OK(attr, attrlen)) {
1066 switch (attr->rta_type) {
1067 case IFLA_IFNAME:
1068 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1069 break;
1070 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1071 ifname[RTA_PAYLOAD(attr)] = '\0';
1072 break;
1073 case IFLA_MASTER:
1074 brid = nla_get_u32((struct nlattr *) attr);
1075 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1076 break;
1077 case IFLA_WIRELESS:
1078 pos += os_snprintf(pos, end - pos, " wext");
1079 break;
1080 case IFLA_OPERSTATE:
1081 pos += os_snprintf(pos, end - pos, " operstate=%u",
1082 nla_get_u32((struct nlattr *) attr));
1083 break;
1084 case IFLA_LINKMODE:
1085 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1086 nla_get_u32((struct nlattr *) attr));
1087 break;
1088 }
1089 attr = RTA_NEXT(attr, attrlen);
1090 }
1091 extra[sizeof(extra) - 1] = '\0';
1092
f2e90835
JM
1093 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1094 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1095 ifi->ifi_flags,
3f5285e8
JM
1096 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1097 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1098 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1099 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4 1100
5e0c20ff 1101 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, &init_failed);
45e3fc72
RM
1102 if (!drv)
1103 goto event_newlink;
5e0c20ff
JM
1104 if (init_failed)
1105 return; /* do not update interface state */
45e3fc72 1106
a63063b4 1107 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
106fa1e9 1108 namebuf[0] = '\0';
59d24925 1109 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1110 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
59d24925
JM
1111 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1112 "event since interface %s is up", namebuf);
7a94120e 1113 drv->ignore_if_down_event = 0;
77a020a1
BG
1114 /* Re-read MAC address as it may have changed */
1115 nl80211_refresh_mac(drv, ifi->ifi_index, 1);
59d24925
JM
1116 return;
1117 }
106fa1e9
JM
1118 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
1119 namebuf, ifname);
1120 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1121 wpa_printf(MSG_DEBUG,
1122 "nl80211: Not the main interface (%s) - do not indicate interface down",
1123 drv->first_bss->ifname);
1124 } else if (drv->ignore_if_down_event) {
7d9c3698
JM
1125 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1126 "event generated by mode change");
1127 drv->ignore_if_down_event = 0;
1128 } else {
1129 drv->if_disabled = 1;
1130 wpa_supplicant_event(drv->ctx,
1131 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO
1132
1133 /*
1134 * Try to get drv again, since it may be removed as
1135 * part of the EVENT_INTERFACE_DISABLED handling for
1136 * dynamic interfaces
1137 */
1138 drv = nl80211_find_drv(global, ifi->ifi_index,
5e0c20ff 1139 buf, len, NULL);
819f096f
AO
1140 if (!drv)
1141 return;
7d9c3698 1142 }
a63063b4
JM
1143 }
1144
1145 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
8a9950f7 1146 namebuf[0] = '\0';
aef85ba2 1147 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1148 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
aef85ba2
JM
1149 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1150 "event since interface %s is down",
1151 namebuf);
8a9950f7
HW
1152 return;
1153 }
1154 wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)",
1155 namebuf, ifname);
1156 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1157 wpa_printf(MSG_DEBUG,
1158 "nl80211: Not the main interface (%s) - do not indicate interface up",
1159 drv->first_bss->ifname);
834ee56f 1160 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM
1161 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1162 "event since interface %s does not exist",
834ee56f 1163 drv->first_bss->ifname);
d1f4942b
JM
1164 } else if (drv->if_removed) {
1165 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1166 "event since interface %s is marked "
834ee56f 1167 "removed", drv->first_bss->ifname);
aef85ba2 1168 } else {
3e0272ca 1169 /* Re-read MAC address as it may have changed */
77a020a1 1170 nl80211_refresh_mac(drv, ifi->ifi_index, 0);
3e0272ca 1171
aef85ba2
JM
1172 drv->if_disabled = 0;
1173 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1174 NULL);
1175 }
a63063b4
JM
1176 }
1177
3f5285e8
JM
1178 /*
1179 * Some drivers send the association event before the operup event--in
1180 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1181 * fails. This will hit us when wpa_supplicant does not need to do
1182 * IEEE 802.1X authentication
1183 */
1184 if (drv->operstate == 1 &&
1185 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM
1186 !(ifi->ifi_flags & IFF_RUNNING)) {
1187 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1188 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1189 -1, IF_OPER_UP);
3f5285e8 1190 }
97cfcf64 1191
45e3fc72 1192event_newlink:
90a545cc 1193 if (ifname[0])
45e3fc72
RM
1194 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1195 ifname);
90a545cc 1196
45e3fc72 1197 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
392dfd37
JM
1198 struct i802_bss *bss;
1199
97cfcf64 1200 /* device has been added to bridge */
40e76396
JM
1201 if (!if_indextoname(brid, namebuf)) {
1202 wpa_printf(MSG_DEBUG,
1203 "nl80211: Could not find bridge ifname for ifindex %u",
1204 brid);
1205 return;
1206 }
97cfcf64
B
1207 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1208 brid, namebuf);
732b1d20 1209 add_ifidx(drv, brid, ifi->ifi_index);
392dfd37
JM
1210
1211 for (bss = drv->first_bss; bss; bss = bss->next) {
1212 if (os_strcmp(ifname, bss->ifname) == 0) {
1213 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1214 break;
1215 }
1216 }
97cfcf64 1217 }
3f5285e8
JM
1218}
1219
1220
62d680c3
JM
1221static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1222 struct ifinfomsg *ifi,
1223 u8 *buf, size_t len)
3f5285e8 1224{
36d84860
BG
1225 struct nl80211_global *global = ctx;
1226 struct wpa_driver_nl80211_data *drv;
90a545cc 1227 int attrlen;
62d680c3 1228 struct rtattr *attr;
97cfcf64 1229 u32 brid = 0;
90a545cc 1230 char ifname[IFNAMSIZ + 1];
f2e90835 1231 char extra[100], *pos, *end;
3f5285e8 1232
f2e90835
JM
1233 extra[0] = '\0';
1234 pos = extra;
1235 end = pos + sizeof(extra);
90a545cc
JM
1236 ifname[0] = '\0';
1237
62d680c3
JM
1238 attrlen = len;
1239 attr = (struct rtattr *) buf;
3f5285e8 1240 while (RTA_OK(attr, attrlen)) {
90a545cc
JM
1241 switch (attr->rta_type) {
1242 case IFLA_IFNAME:
1243 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1244 break;
1245 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1246 ifname[RTA_PAYLOAD(attr)] = '\0';
1247 break;
1248 case IFLA_MASTER:
97cfcf64 1249 brid = nla_get_u32((struct nlattr *) attr);
f2e90835
JM
1250 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1251 break;
1252 case IFLA_OPERSTATE:
1253 pos += os_snprintf(pos, end - pos, " operstate=%u",
1254 nla_get_u32((struct nlattr *) attr));
1255 break;
1256 case IFLA_LINKMODE:
1257 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1258 nla_get_u32((struct nlattr *) attr));
90a545cc
JM
1259 break;
1260 }
3f5285e8
JM
1261 attr = RTA_NEXT(attr, attrlen);
1262 }
f2e90835
JM
1263 extra[sizeof(extra) - 1] = '\0';
1264
1265 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1266 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1267 ifi->ifi_flags,
1268 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1269 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1270 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1271 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
97cfcf64 1272
5e0c20ff 1273 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, NULL);
90a545cc 1274
45e3fc72 1275 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
97cfcf64
B
1276 /* device has been removed from bridge */
1277 char namebuf[IFNAMSIZ];
40e76396
JM
1278
1279 if (!if_indextoname(brid, namebuf)) {
1280 wpa_printf(MSG_DEBUG,
1281 "nl80211: Could not find bridge ifname for ifindex %u",
1282 brid);
1283 } else {
1284 wpa_printf(MSG_DEBUG,
1285 "nl80211: Remove ifindex %u for bridge %s",
1286 brid, namebuf);
1287 }
732b1d20 1288 del_ifidx(drv, brid, ifi->ifi_index);
97cfcf64 1289 }
45e3fc72
RM
1290
1291 if (ifi->ifi_family != AF_BRIDGE || !brid)
1292 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1293 ifname);
3f5285e8
JM
1294}
1295
1296
a1fce391
JM
1297struct nl80211_get_assoc_freq_arg {
1298 struct wpa_driver_nl80211_data *drv;
1299 unsigned int assoc_freq;
1300 unsigned int ibss_freq;
1301 u8 assoc_bssid[ETH_ALEN];
ed0a4ddc
NW
1302 u8 assoc_ssid[SSID_MAX_LEN];
1303 u8 assoc_ssid_len;
a1fce391
JM
1304};
1305
1306static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg)
1307{
1308 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1309 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1310 struct nlattr *bss[NL80211_BSS_MAX + 1];
1311 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
1312 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
1313 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
ed0a4ddc 1314 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
a1fce391
JM
1315 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
1316 };
1317 struct nl80211_get_assoc_freq_arg *ctx = arg;
1318 enum nl80211_bss_status status;
1319
1320 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1321 genlmsg_attrlen(gnlh, 0), NULL);
1322 if (!tb[NL80211_ATTR_BSS] ||
1323 nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
1324 bss_policy) ||
1325 !bss[NL80211_BSS_STATUS])
1326 return NL_SKIP;
1327
1328 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
1329 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1330 bss[NL80211_BSS_FREQUENCY]) {
1331 ctx->assoc_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1332 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
1333 ctx->assoc_freq);
1334 }
1335 if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
1336 bss[NL80211_BSS_FREQUENCY]) {
1337 ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1338 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
1339 ctx->ibss_freq);
1340 }
1341 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1342 bss[NL80211_BSS_BSSID]) {
1343 os_memcpy(ctx->assoc_bssid,
1344 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
1345 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
1346 MACSTR, MAC2STR(ctx->assoc_bssid));
1347 }
1348
ed0a4ddc
NW
1349 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1350 bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
1351 const u8 *ie, *ssid;
1352 size_t ie_len;
1353
1354 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1355 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1356 ssid = get_ie(ie, ie_len, WLAN_EID_SSID);
1357 if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) {
1358 ctx->assoc_ssid_len = ssid[1];
1359 os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]);
1360 }
1361 }
1362
a1fce391
JM
1363 return NL_SKIP;
1364}
1365
1366
ed0a4ddc
NW
1367int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid)
1368{
1369 struct nl_msg *msg;
1370 int ret;
1371 struct nl80211_get_assoc_freq_arg arg;
1372
1373 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1374 os_memset(&arg, 0, sizeof(arg));
1375 arg.drv = drv;
1376 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1377 &arg);
1378 if (ret == 0) {
1379 os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len);
1380 return arg.assoc_ssid_len;
1381 }
1382 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)",
1383 ret, strerror(-ret));
1384 return ret;
1385}
1386
1387
f3407c66 1388unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
f5a8d422
JM
1389{
1390 struct nl_msg *msg;
1391 int ret;
a1fce391 1392 struct nl80211_get_assoc_freq_arg arg;
f5a8d422 1393
9725b784 1394 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422 1395 os_memset(&arg, 0, sizeof(arg));
f5a8d422 1396 arg.drv = drv;
a1fce391
JM
1397 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1398 &arg);
f5a8d422 1399 if (ret == 0) {
c7caac56
JM
1400 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1401 arg.ibss_freq : arg.assoc_freq;
f5a8d422 1402 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
c7caac56
JM
1403 "associated BSS from scan results: %u MHz", freq);
1404 if (freq)
1405 drv->assoc_freq = freq;
30158a0d 1406 return drv->assoc_freq;
f5a8d422
JM
1407 }
1408 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1409 "(%s)", ret, strerror(-ret));
f5a8d422
JM
1410 return drv->assoc_freq;
1411}
1412
1413
60a972a6
JM
1414static int get_link_signal(struct nl_msg *msg, void *arg)
1415{
1416 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1417 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1418 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1419 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1420 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1421 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
74fa78b2 1422 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1423 };
7ee35bf3
PS
1424 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1425 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1426 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1427 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1428 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1429 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1430 };
1c5c7273 1431 struct wpa_signal_info *sig_change = arg;
60a972a6
JM
1432
1433 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1434 genlmsg_attrlen(gnlh, 0), NULL);
1435 if (!tb[NL80211_ATTR_STA_INFO] ||
1436 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1437 tb[NL80211_ATTR_STA_INFO], policy))
1438 return NL_SKIP;
1439 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1440 return NL_SKIP;
1441
7ee35bf3
PS
1442 sig_change->current_signal =
1443 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1444
95783298
AO
1445 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1446 sig_change->avg_signal =
1447 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1448 else
1449 sig_change->avg_signal = 0;
1450
74fa78b2
JM
1451 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1452 sig_change->avg_beacon_signal =
1453 (s8)
1454 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1455 else
1456 sig_change->avg_beacon_signal = 0;
1457
7ee35bf3
PS
1458 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1459 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1460 sinfo[NL80211_STA_INFO_TX_BITRATE],
1461 rate_policy)) {
1462 sig_change->current_txrate = 0;
1463 } else {
1464 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1465 sig_change->current_txrate =
1466 nla_get_u16(rinfo[
1467 NL80211_RATE_INFO_BITRATE]) * 100;
1468 }
1469 }
1470 }
1471
60a972a6
JM
1472 return NL_SKIP;
1473}
1474
1475
f3407c66
JM
1476int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1477 struct wpa_signal_info *sig)
60a972a6
JM
1478{
1479 struct nl_msg *msg;
1480
941807f6 1481 sig->current_signal = -WPA_INVALID_NOISE;
7ee35bf3 1482 sig->current_txrate = 0;
60a972a6 1483
9725b784 1484 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
a862e4a3
JM
1485 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1486 nlmsg_free(msg);
1487 return -ENOBUFS;
1488 }
60a972a6
JM
1489
1490 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
60a972a6
JM
1491}
1492
1493
7ee35bf3
PS
1494static int get_link_noise(struct nl_msg *msg, void *arg)
1495{
1496 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1497 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1498 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1499 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1500 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1501 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1502 };
1c5c7273 1503 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS
1504
1505 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1506 genlmsg_attrlen(gnlh, 0), NULL);
1507
1508 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1509 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1510 return NL_SKIP;
1511 }
1512
1513 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1514 tb[NL80211_ATTR_SURVEY_INFO],
1515 survey_policy)) {
1516 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1517 "attributes!");
1518 return NL_SKIP;
1519 }
1520
1521 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1522 return NL_SKIP;
1523
1524 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1525 sig_change->frequency)
1526 return NL_SKIP;
1527
1528 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1529 return NL_SKIP;
1530
1531 sig_change->current_noise =
1532 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1533
1534 return NL_SKIP;
1535}
1536
1537
f3407c66
JM
1538int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1539 struct wpa_signal_info *sig_change)
7ee35bf3
PS
1540{
1541 struct nl_msg *msg;
1542
941807f6 1543 sig_change->current_noise = WPA_INVALID_NOISE;
7ee35bf3
PS
1544 sig_change->frequency = drv->assoc_freq;
1545
9725b784 1546 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3 1547 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
7ee35bf3
PS
1548}
1549
1550
7f00dc6e
MV
1551static int get_channel_info(struct nl_msg *msg, void *arg)
1552{
1553 struct nlattr *tb[NL80211_ATTR_MAX + 1] = { 0 };
1554 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1555 struct wpa_channel_info *chan_info = arg;
1556
1557 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1558 genlmsg_attrlen(gnlh, 0), NULL);
1559
1560 os_memset(chan_info, 0, sizeof(struct wpa_channel_info));
1561 chan_info->chanwidth = CHAN_WIDTH_UNKNOWN;
1562
1563 if (tb[NL80211_ATTR_WIPHY_FREQ])
1564 chan_info->frequency =
1565 nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1566 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1567 chan_info->chanwidth = convert2width(
1568 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
1569 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1570 enum nl80211_channel_type ct =
1571 nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1572
1573 switch (ct) {
1574 case NL80211_CHAN_HT40MINUS:
1575 chan_info->sec_channel = -1;
1576 break;
1577 case NL80211_CHAN_HT40PLUS:
1578 chan_info->sec_channel = 1;
1579 break;
1580 default:
1581 chan_info->sec_channel = 0;
1582 break;
1583 }
1584 }
1585 if (tb[NL80211_ATTR_CENTER_FREQ1])
1586 chan_info->center_frq1 =
1587 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1588 if (tb[NL80211_ATTR_CENTER_FREQ2])
1589 chan_info->center_frq2 =
1590 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1591
1592 if (chan_info->center_frq2) {
1593 u8 seg1_idx = 0;
1594
1595 if (ieee80211_freq_to_chan(chan_info->center_frq2, &seg1_idx) !=
1596 NUM_HOSTAPD_MODES)
1597 chan_info->seg1_idx = seg1_idx;
1598 }
1599
1600 return NL_SKIP;
1601}
1602
1603
1604static int nl80211_channel_info(void *priv, struct wpa_channel_info *ci)
1605{
1606 struct i802_bss *bss = priv;
1607 struct wpa_driver_nl80211_data *drv = bss->drv;
1608 struct nl_msg *msg;
1609
1610 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
1611 return send_and_recv_msgs(drv, msg, get_channel_info, ci);
1612}
1613
1614
97865538 1615static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 1616 void *handle)
97865538 1617{
a4ae123c 1618 struct nl_cb *cb = eloop_ctx;
34068ac3 1619 int res;
97865538 1620
cc2ada86 1621 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 1622
34068ac3 1623 res = nl_recvmsgs(handle, cb);
d3d04831 1624 if (res < 0) {
34068ac3
JM
1625 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1626 __func__, res);
1627 }
97865538
JM
1628}
1629
1630
6d158490
LR
1631/**
1632 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1633 * @priv: driver_nl80211 private data
1634 * @alpha2_arg: country to which to switch to
1635 * Returns: 0 on success, -1 on failure
1636 *
1637 * This asks nl80211 to set the regulatory domain for given
1638 * country ISO / IEC alpha2.
1639 */
1640static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1641{
a2e40bb6
FF
1642 struct i802_bss *bss = priv;
1643 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR
1644 char alpha2[3];
1645 struct nl_msg *msg;
1646
1647 msg = nlmsg_alloc();
1648 if (!msg)
e785c2ba 1649 return -ENOMEM;
6d158490
LR
1650
1651 alpha2[0] = alpha2_arg[0];
1652 alpha2[1] = alpha2_arg[1];
1653 alpha2[2] = '\0';
1654
a862e4a3
JM
1655 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1656 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1657 nlmsg_free(msg);
1658 return -EINVAL;
1659 }
6d158490
LR
1660 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1661 return -EINVAL;
1662 return 0;
6d158490
LR
1663}
1664
1665
f0793bf1
JM
1666static int nl80211_get_country(struct nl_msg *msg, void *arg)
1667{
1668 char *alpha2 = arg;
1669 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1670 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1671
1672 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1673 genlmsg_attrlen(gnlh, 0), NULL);
1674 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1675 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1676 return NL_SKIP;
1677 }
1678 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1679 return NL_SKIP;
1680}
1681
1682
1683static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1684{
1685 struct i802_bss *bss = priv;
1686 struct wpa_driver_nl80211_data *drv = bss->drv;
1687 struct nl_msg *msg;
1688 int ret;
1689
1690 msg = nlmsg_alloc();
1691 if (!msg)
1692 return -ENOMEM;
1693
1694 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1695 alpha2[0] = '\0';
1696 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1697 if (!alpha2[0])
1698 ret = -1;
1699
1700 return ret;
1701}
1702
1703
2a7b66f5
BG
1704static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1705{
d6c9aab8
JB
1706 int ret;
1707
2a7b66f5
BG
1708 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1709 if (global->nl_cb == NULL) {
1710 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1711 "callbacks");
1712 return -1;
1713 }
1714
481234cf
JM
1715 global->nl = nl_create_handle(global->nl_cb, "nl");
1716 if (global->nl == NULL)
d6c9aab8 1717 goto err;
276e2d67 1718
481234cf 1719 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 1720 if (global->nl80211_id < 0) {
276e2d67
BG
1721 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1722 "found");
d6c9aab8 1723 goto err;
276e2d67
BG
1724 }
1725
481234cf
JM
1726 global->nl_event = nl_create_handle(global->nl_cb, "event");
1727 if (global->nl_event == NULL)
d6c9aab8 1728 goto err;
9fff9fdc 1729
d6c9aab8 1730 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 1731 if (ret >= 0)
481234cf 1732 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM
1733 if (ret < 0) {
1734 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1735 "membership for scan events: %d (%s)",
1736 ret, strerror(-ret));
d6c9aab8 1737 goto err;
97865538 1738 }
c2a04078 1739
d6c9aab8 1740 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 1741 if (ret >= 0)
481234cf 1742 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM
1743 if (ret < 0) {
1744 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1745 "membership for mlme events: %d (%s)",
1746 ret, strerror(-ret));
d6c9aab8 1747 goto err;
c2a04078 1748 }
c2a04078 1749
d6c9aab8 1750 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 1751 if (ret >= 0)
481234cf 1752 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM
1753 if (ret < 0) {
1754 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1755 "membership for regulatory events: %d (%s)",
1756 ret, strerror(-ret));
1757 /* Continue without regulatory events */
1758 }
1759
17b79e65
JM
1760 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1761 if (ret >= 0)
1762 ret = nl_socket_add_membership(global->nl_event, ret);
1763 if (ret < 0) {
1764 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1765 "membership for vendor events: %d (%s)",
1766 ret, strerror(-ret));
1767 /* Continue without vendor events */
1768 }
1769
d6c9aab8
JB
1770 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1771 no_seq_check, NULL);
1772 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1773 process_global_event, global);
1774
5f65e9f7
JB
1775 nl80211_register_eloop_read(&global->nl_event,
1776 wpa_driver_nl80211_event_receive,
40a68f33 1777 global->nl_cb, 0);
d6c9aab8
JB
1778
1779 return 0;
1780
1781err:
1782 nl_destroy_handles(&global->nl_event);
1783 nl_destroy_handles(&global->nl);
1784 nl_cb_put(global->nl_cb);
671a5039 1785 global->nl_cb = NULL;
d6c9aab8
JB
1786 return -1;
1787}
1788
1789
f51f54a0
JM
1790static void nl80211_check_global(struct nl80211_global *global)
1791{
1792 struct nl_handle *handle;
1793 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1794 int ret;
1795 unsigned int i;
1796
1797 /*
1798 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1799 * and all registration having been cleared.
1800 */
1801 handle = (void *) (((intptr_t) global->nl_event) ^
1802 ELOOP_SOCKET_INVALID);
1803
1804 for (i = 0; groups[i]; i++) {
1805 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1806 if (ret >= 0)
1807 ret = nl_socket_add_membership(handle, ret);
1808 if (ret < 0) {
1809 wpa_printf(MSG_INFO,
1810 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1811 groups[i], ret, strerror(-ret));
1812 }
1813 }
1814}
1815
1816
8401a6b0
JM
1817static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1818{
6da504a1
IP
1819 struct wpa_driver_nl80211_data *drv = ctx;
1820
8401a6b0 1821 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
6da504a1 1822
a63063b4 1823 /*
6da504a1
IP
1824 * rtnetlink ifdown handler will report interfaces other than the P2P
1825 * Device interface as disabled.
a63063b4 1826 */
6da504a1
IP
1827 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1828 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
8401a6b0
JM
1829}
1830
1831
1832static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1833{
1834 struct wpa_driver_nl80211_data *drv = ctx;
1835 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 1836 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM
1837 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1838 "after rfkill unblock");
1839 return;
1840 }
e8dc205f
AO
1841
1842 if (is_p2p_net_interface(drv->nlmode))
1843 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1844
6da504a1
IP
1845 /*
1846 * rtnetlink ifup handler will report interfaces other than the P2P
1847 * Device interface as enabled.
1848 */
1849 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1850 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
8401a6b0
JM
1851}
1852
1853
32ab4855
JB
1854static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1855 void *eloop_ctx,
1856 void *handle)
1857{
1858 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1859 u8 data[2048];
1860 struct msghdr msg;
1861 struct iovec entry;
cad0f50e 1862 u8 control[512];
32ab4855
JB
1863 struct cmsghdr *cmsg;
1864 int res, found_ee = 0, found_wifi = 0, acked = 0;
1865 union wpa_event_data event;
1866
1867 memset(&msg, 0, sizeof(msg));
1868 msg.msg_iov = &entry;
1869 msg.msg_iovlen = 1;
1870 entry.iov_base = data;
1871 entry.iov_len = sizeof(data);
1872 msg.msg_control = &control;
1873 msg.msg_controllen = sizeof(control);
1874
1875 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1876 /* if error or not fitting 802.3 header, return */
1877 if (res < 14)
1878 return;
1879
1880 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1881 {
1882 if (cmsg->cmsg_level == SOL_SOCKET &&
1883 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1884 int *ack;
1885
1886 found_wifi = 1;
1887 ack = (void *)CMSG_DATA(cmsg);
1888 acked = *ack;
1889 }
1890
1891 if (cmsg->cmsg_level == SOL_PACKET &&
1892 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1893 struct sock_extended_err *err =
1894 (struct sock_extended_err *)CMSG_DATA(cmsg);
1895
1896 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1897 found_ee = 1;
1898 }
1899 }
1900
1901 if (!found_ee || !found_wifi)
1902 return;
1903
1904 memset(&event, 0, sizeof(event));
1905 event.eapol_tx_status.dst = data;
1906 event.eapol_tx_status.data = data + 14;
1907 event.eapol_tx_status.data_len = res - 14;
1908 event.eapol_tx_status.ack = acked;
1909 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1910}
1911
1912
cc7a48d1
JB
1913static int nl80211_init_bss(struct i802_bss *bss)
1914{
1915 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1916 if (!bss->nl_cb)
1917 return -1;
1918
1919 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1920 no_seq_check, NULL);
1921 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1922 process_bss_event, bss);
1923
1924 return 0;
1925}
1926
1927
1928static void nl80211_destroy_bss(struct i802_bss *bss)
1929{
1930 nl_cb_put(bss->nl_cb);
1931 bss->nl_cb = NULL;
1932}
1933
1934
0e92fb8f
JB
1935static void
1936wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1937{
1938 struct rfkill_config *rcfg;
1939
1940 if (drv->rfkill)
1941 return;
1942
1943 rcfg = os_zalloc(sizeof(*rcfg));
1944 if (!rcfg)
1945 return;
1946
1947 rcfg->ctx = drv;
1948
1949 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1950 * not associated with a netdev, so use the name of some other interface
1951 * sharing the same wiphy as the P2P Device interface.
1952 *
1953 * Note: This is valid, as a P2P Device interface is always dynamically
1954 * created and is created only once another wpa_s interface was added.
1955 */
1956 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1957 struct nl80211_global *global = drv->global;
1958 struct wpa_driver_nl80211_data *tmp1;
1959
1960 dl_list_for_each(tmp1, &global->interfaces,
1961 struct wpa_driver_nl80211_data, list) {
1962 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1963 !tmp1->rfkill)
1964 continue;
1965
1966 wpa_printf(MSG_DEBUG,
1967 "nl80211: Use (%s) to initialize P2P Device rfkill",
1968 tmp1->first_bss->ifname);
1969 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1970 sizeof(rcfg->ifname));
1971 break;
1972 }
1973 } else {
1974 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1975 sizeof(rcfg->ifname));
1976 }
1977
1978 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1979 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1980 drv->rfkill = rfkill_init(rcfg);
1981 if (!drv->rfkill) {
1982 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1983 os_free(rcfg);
1984 }
1985}
1986
1987
0d547d5f
JM
1988static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1989 void *global_priv, int hostapd,
0ecff8d7
JM
1990 const u8 *set_addr,
1991 const char *driver_params)
9fff9fdc 1992{
9fff9fdc 1993 struct wpa_driver_nl80211_data *drv;
a2e40bb6 1994 struct i802_bss *bss;
9fff9fdc 1995
a5c696ad
JM
1996 if (global_priv == NULL)
1997 return NULL;
9fff9fdc
JM
1998 drv = os_zalloc(sizeof(*drv));
1999 if (drv == NULL)
2000 return NULL;
f2ed8023 2001 drv->global = global_priv;
9fff9fdc 2002 drv->ctx = ctx;
0d547d5f
JM
2003 drv->hostapd = !!hostapd;
2004 drv->eapol_sock = -1;
64ae2447
JM
2005
2006 /*
2007 * There is no driver capability flag for this, so assume it is
2008 * supported and disable this on first attempt to use if the driver
2009 * rejects the command due to missing support.
2010 */
2011 drv->set_rekey_offload = 1;
2012
099224c1 2013 drv->num_if_indices = ARRAY_SIZE(drv->default_if_indices);
0d547d5f 2014 drv->if_indices = drv->default_if_indices;
834ee56f
KP
2015
2016 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
2017 if (!drv->first_bss) {
2018 os_free(drv);
2019 return NULL;
2020 }
2021 bss = drv->first_bss;
a2e40bb6 2022 bss->drv = drv;
a5e1eb20
SE
2023 bss->ctx = ctx;
2024
a2e40bb6 2025 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM
2026 drv->monitor_ifidx = -1;
2027 drv->monitor_sock = -1;
d12dab4c 2028 drv->eapol_tx_sock = -1;
b1f625e0 2029 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 2030
cc7a48d1
JB
2031 if (nl80211_init_bss(bss))
2032 goto failed;
2033
0ecff8d7 2034 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
bbaf0837 2035 goto failed;
7524cfb1 2036
d12dab4c 2037 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB
2038 if (drv->eapol_tx_sock < 0)
2039 goto failed;
2040
2041 if (drv->data_tx_status) {
2042 int enabled = 1;
2043
2044 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
2045 &enabled, sizeof(enabled)) < 0) {
2046 wpa_printf(MSG_DEBUG,
2047 "nl80211: wifi status sockopt failed\n");
2048 drv->data_tx_status = 0;
a11241fa
JB
2049 if (!drv->use_monitor)
2050 drv->capa.flags &=
2051 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB
2052 } else {
2053 eloop_register_read_sock(drv->eapol_tx_sock,
2054 wpa_driver_nl80211_handle_eapol_tx_status,
2055 drv, NULL);
2056 }
2057 }
f10bfc9a 2058
dac12351 2059 if (drv->global) {
f51f54a0 2060 nl80211_check_global(drv->global);
c4bb8817 2061 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG
2062 drv->in_interface_list = 1;
2063 }
c4bb8817 2064
a2e40bb6 2065 return bss;
7524cfb1 2066
bbaf0837 2067failed:
dac12351 2068 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM
2069 return NULL;
2070}
2071
2072
0d547d5f
JM
2073/**
2074 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
2075 * @ctx: context to be used when calling wpa_supplicant functions,
2076 * e.g., wpa_supplicant_event()
2077 * @ifname: interface name, e.g., wlan0
2078 * @global_priv: private driver global data from global_init()
2079 * Returns: Pointer to private data, %NULL on failure
2080 */
2081static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
2082 void *global_priv)
2083{
0ecff8d7
JM
2084 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
2085 NULL);
0d547d5f
JM
2086}
2087
2088
a11241fa 2089static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 2090 struct nl_handle *nl_handle,
bd94971e 2091 u16 type, const u8 *match, size_t match_len)
58f6fbe0 2092{
a11241fa 2093 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 2094 struct nl_msg *msg;
a862e4a3 2095 int ret;
880de885 2096 char buf[30];
58f6fbe0 2097
880de885
JM
2098 buf[0] = '\0';
2099 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
dedfa440
PF
2100 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
2101 type, fc2str(type), nl_handle, buf);
36488c05 2102
56f77852 2103 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
a862e4a3
JM
2104 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
2105 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
2106 nlmsg_free(msg);
2107 return -1;
2108 }
58f6fbe0 2109
d6c9aab8 2110 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0 2111 if (ret) {
5582a5d1
JB
2112 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
2113 "failed (type=%u): ret=%d (%s)",
2114 type, ret, strerror(-ret));
2115 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0 2116 match, match_len);
58f6fbe0 2117 }
58f6fbe0
JM
2118 return ret;
2119}
2120
2121
a11241fa
JB
2122static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
2123{
481234cf 2124 if (bss->nl_mgmt) {
a11241fa 2125 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 2126 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB
2127 return -1;
2128 }
2129
ce20a370 2130 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
481234cf 2131 if (bss->nl_mgmt == NULL)
a11241fa
JB
2132 return -1;
2133
a11241fa
JB
2134 return 0;
2135}
2136
2137
5f65e9f7
JB
2138static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
2139{
2140 nl80211_register_eloop_read(&bss->nl_mgmt,
2141 wpa_driver_nl80211_event_receive,
40a68f33 2142 bss->nl_cb, 0);
5f65e9f7
JB
2143}
2144
2145
a11241fa 2146static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB
2147 const u8 *match, size_t match_len)
2148{
2149 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 2150 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 2151 type, match, match_len);
bd94971e
JB
2152}
2153
2154
40a68f33
SD
2155static int nl80211_init_connect_handle(struct i802_bss *bss)
2156{
2157 if (bss->nl_connect) {
2158 wpa_printf(MSG_DEBUG,
2159 "nl80211: Connect handle already created (nl_connect=%p)",
2160 bss->nl_connect);
2161 return -1;
2162 }
2163
2164 bss->nl_connect = nl_create_handle(bss->nl_cb, "connect");
2165 if (!bss->nl_connect)
2166 return -1;
2167 nl80211_register_eloop_read(&bss->nl_connect,
2168 wpa_driver_nl80211_event_receive,
2169 bss->nl_cb, 1);
2170 return 0;
2171}
2172
2173
a11241fa 2174static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 2175{
a11241fa 2176 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 2177 int ret = 0;
a11241fa
JB
2178
2179 if (nl80211_alloc_mgmt_handle(bss))
2180 return -1;
36488c05
JM
2181 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
2182 "handle %p", bss->nl_mgmt);
a11241fa 2183
ba71cb82
SD
2184 if (drv->nlmode == NL80211_IFTYPE_ADHOC ||
2185 ((drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
2186 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME))) {
e8d1168b
JB
2187 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2188
2189 /* register for any AUTH message */
2190 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
2191 }
2192
56f5af48
JM
2193#ifdef CONFIG_INTERWORKING
2194 /* QoS Map Configure */
2195 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 2196 ret = -1;
56f5af48 2197#endif /* CONFIG_INTERWORKING */
00b02149 2198#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP)
046b26a2 2199 /* GAS Initial Request */
a11241fa 2200 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 2201 ret = -1;
046b26a2 2202 /* GAS Initial Response */
a11241fa 2203 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 2204 ret = -1;
18708aad 2205 /* GAS Comeback Request */
a11241fa 2206 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 2207 ret = -1;
18708aad 2208 /* GAS Comeback Response */
a11241fa 2209 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 2210 ret = -1;
c5a64e2d
JM
2211 /* Protected GAS Initial Request */
2212 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
2213 ret = -1;
2214 /* Protected GAS Initial Response */
2215 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
2216 ret = -1;
2217 /* Protected GAS Comeback Request */
2218 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
2219 ret = -1;
2220 /* Protected GAS Comeback Response */
2221 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
2222 ret = -1;
00b02149 2223#endif /* CONFIG_P2P || CONFIG_INTERWORKING || CONFIG_DPP */
4fe9fa0d 2224#ifdef CONFIG_P2P
046b26a2 2225 /* P2P Public Action */
a11241fa 2226 if (nl80211_register_action_frame(bss,
046b26a2
JM
2227 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
2228 6) < 0)
6f06766e 2229 ret = -1;
046b26a2 2230 /* P2P Action */
a11241fa 2231 if (nl80211_register_action_frame(bss,
046b26a2
JM
2232 (u8 *) "\x7f\x50\x6f\x9a\x09",
2233 5) < 0)
6f06766e 2234 ret = -1;
046b26a2 2235#endif /* CONFIG_P2P */
00b02149
JM
2236#ifdef CONFIG_DPP
2237 /* DPP Public Action */
2238 if (nl80211_register_action_frame(bss,
2239 (u8 *) "\x04\x09\x50\x6f\x9a\x1a",
2240 6) < 0)
2241 ret = -1;
2242#endif /* CONFIG_DPP */
7d878ca7 2243#ifdef CONFIG_IEEE80211W
f9da7505
MV
2244#ifdef CONFIG_OCV
2245 /* SA Query Request */
2246 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x00", 2) < 0)
2247 ret = -1;
2248#endif /* CONFIG_OCV */
7d878ca7 2249 /* SA Query Response */
a11241fa 2250 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 2251 ret = -1;
7d878ca7 2252#endif /* CONFIG_IEEE80211W */
35287637
AN
2253#ifdef CONFIG_TDLS
2254 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
2255 /* TDLS Discovery Response */
aa543c0c 2256 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 2257 0)
6f06766e 2258 ret = -1;
35287637
AN
2259 }
2260#endif /* CONFIG_TDLS */
46ab9b8c
AN
2261#ifdef CONFIG_FST
2262 /* FST Action frames */
2263 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2264 ret = -1;
2265#endif /* CONFIG_FST */
046b26a2 2266
7b90c16a 2267 /* FT Action frames */
a11241fa 2268 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 2269 ret = -1;
7b90c16a
JM
2270 else
2271 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
2272 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2273
71269b37 2274 /* WNM - BSS Transition Management Request */
a11241fa 2275 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 2276 ret = -1;
bd896433
JM
2277 /* WNM-Sleep Mode Response */
2278 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 2279 ret = -1;
d514b502
JM
2280#ifdef CONFIG_WNM
2281 /* WNM - Collocated Interference Request */
2282 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x0b", 2) < 0)
2283 ret = -1;
2284#endif /* CONFIG_WNM */
a11241fa 2285
95a3ea94
JM
2286#ifdef CONFIG_HS20
2287 /* WNM-Notification */
2288 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
3ee18569 2289 ret = -1;
95a3ea94
JM
2290#endif /* CONFIG_HS20 */
2291
dfa87878
MB
2292 /* WMM-AC ADDTS Response */
2293 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
730a0d16 2294 ret = -1;
dfa87878
MB
2295
2296 /* WMM-AC DELTS */
2297 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
730a0d16 2298 ret = -1;
dfa87878 2299
2526ccd9
AK
2300 /* Radio Measurement - Neighbor Report Response */
2301 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
2302 ret = -1;
2303
864b9522
DS
2304 /* Radio Measurement - Radio Measurement Request */
2305 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2306 ret = -1;
2307
7dc03388
AO
2308 /* Radio Measurement - Link Measurement Request */
2309 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2310 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2311 ret = -1;
2312
5f65e9f7
JB
2313 nl80211_mgmt_handle_register_eloop(bss);
2314
6f06766e 2315 return ret;
a11241fa
JB
2316}
2317
2318
afb0550a
BC
2319static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2320{
2321 int ret = 0;
2322
2323 if (nl80211_alloc_mgmt_handle(bss))
2324 return -1;
2325
2326 wpa_printf(MSG_DEBUG,
2327 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2328 bss->nl_mgmt);
2329
2330 /* Auth frames for mesh SAE */
2331 if (nl80211_register_frame(bss, bss->nl_mgmt,
2332 (WLAN_FC_TYPE_MGMT << 2) |
2333 (WLAN_FC_STYPE_AUTH << 4),
2334 NULL, 0) < 0)
2335 ret = -1;
2336
2337 /* Mesh peering open */
2338 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2339 ret = -1;
2340 /* Mesh peering confirm */
2341 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2342 ret = -1;
2343 /* Mesh peering close */
2344 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2345 ret = -1;
2346
2347 nl80211_mgmt_handle_register_eloop(bss);
2348
2349 return ret;
2350}
2351
2352
02bb32c3
JB
2353static int nl80211_register_spurious_class3(struct i802_bss *bss)
2354{
02bb32c3 2355 struct nl_msg *msg;
a862e4a3 2356 int ret;
02bb32c3 2357
13f83980
JM
2358 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2359 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB
2360 if (ret) {
2361 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2362 "failed: ret=%d (%s)",
2363 ret, strerror(-ret));
02bb32c3 2364 }
02bb32c3
JB
2365 return ret;
2366}
2367
2368
4d916ed6
KV
2369static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2370{
2371 int ret = 0;
2372
2373 /* Public Action frames */
2374 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2375 ret = -1;
2376 /* RRM Measurement Report */
2377 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2378 ret = -1;
e4ec6bbf
JM
2379 /* RRM Link Measurement Report */
2380 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0)
2381 ret = -1;
4d916ed6
KV
2382 /* RRM Neighbor Report Request */
2383 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2384 ret = -1;
2385 /* FT Action frames */
2386 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2387 ret = -1;
2388#ifdef CONFIG_IEEE80211W
2389 /* SA Query */
2390 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2391 ret = -1;
2392#endif /* CONFIG_IEEE80211W */
2393 /* Protected Dual of Public Action */
2394 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2395 ret = -1;
2396 /* WNM */
2397 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2398 ret = -1;
2399 /* WMM */
2400 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2401 ret = -1;
2402#ifdef CONFIG_FST
2403 /* FST Action frames */
2404 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2405 ret = -1;
2406#endif /* CONFIG_FST */
2407 /* Vendor-specific */
2408 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2409 ret = -1;
2410
2411 return ret;
2412}
2413
2414
a11241fa
JB
2415static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2416{
2417 static const int stypes[] = {
2418 WLAN_FC_STYPE_AUTH,
2419 WLAN_FC_STYPE_ASSOC_REQ,
2420 WLAN_FC_STYPE_REASSOC_REQ,
2421 WLAN_FC_STYPE_DISASSOC,
2422 WLAN_FC_STYPE_DEAUTH,
a11241fa
JB
2423 WLAN_FC_STYPE_PROBE_REQ,
2424/* Beacon doesn't work as mac80211 doesn't currently allow
2425 * it, but it wouldn't really be the right thing anyway as
2426 * it isn't per interface ... maybe just dump the scan
2427 * results periodically for OLBC?
2428 */
0e80ea2c 2429 /* WLAN_FC_STYPE_BEACON, */
a11241fa
JB
2430 };
2431 unsigned int i;
2432
2433 if (nl80211_alloc_mgmt_handle(bss))
71269b37 2434 return -1;
36488c05
JM
2435 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2436 "handle %p", bss->nl_mgmt);
71269b37 2437
e7ecab4a 2438 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 2439 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB
2440 (WLAN_FC_TYPE_MGMT << 2) |
2441 (stypes[i] << 4),
2442 NULL, 0) < 0) {
2443 goto out_err;
2444 }
2445 }
2446
4d916ed6
KV
2447 if (nl80211_action_subscribe_ap(bss))
2448 goto out_err;
2449
02bb32c3
JB
2450 if (nl80211_register_spurious_class3(bss))
2451 goto out_err;
2452
5f65e9f7 2453 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 2454 return 0;
a11241fa
JB
2455
2456out_err:
a11241fa
JB
2457 nl_destroy_handles(&bss->nl_mgmt);
2458 return -1;
2459}
2460
2461
a6cc0602
JM
2462static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2463{
2464 if (nl80211_alloc_mgmt_handle(bss))
2465 return -1;
2466 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2467 "handle %p (device SME)", bss->nl_mgmt);
2468
4d916ed6 2469 if (nl80211_action_subscribe_ap(bss))
a6cc0602
JM
2470 goto out_err;
2471
236e793e
SD
2472 if (bss->drv->device_ap_sme) {
2473 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2474
2475 /* Register for all Authentication frames */
2476 if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0)
2477 < 0)
2478 wpa_printf(MSG_DEBUG,
2479 "nl80211: Failed to subscribe to handle Authentication frames - SAE offload may not work");
2480 }
2481
5f65e9f7 2482 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM
2483 return 0;
2484
2485out_err:
a6cc0602
JM
2486 nl_destroy_handles(&bss->nl_mgmt);
2487 return -1;
2488}
2489
2490
36488c05 2491static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 2492{
481234cf 2493 if (bss->nl_mgmt == NULL)
a11241fa 2494 return;
36488c05
JM
2495 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2496 "(%s)", bss->nl_mgmt, reason);
40a68f33 2497 nl80211_destroy_eloop_handle(&bss->nl_mgmt, 0);
7813b7c3
MH
2498
2499 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM
2500}
2501
2502
8401a6b0
JM
2503static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2504{
2505 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2506}
2507
2508
eb4582f2
AS
2509static void nl80211_del_p2pdev(struct i802_bss *bss)
2510{
eb4582f2
AS
2511 struct nl_msg *msg;
2512 int ret;
2513
a3249fdf
JM
2514 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2515 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
eb4582f2
AS
2516
2517 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2518 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2519 strerror(-ret));
eb4582f2
AS
2520}
2521
2522
eb4582f2 2523static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483 2524{
f632e483 2525 struct nl_msg *msg;
a862e4a3 2526 int ret;
f632e483 2527
a3249fdf
JM
2528 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2529 NL80211_CMD_STOP_P2P_DEVICE);
2530 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
f632e483 2531
eb4582f2
AS
2532 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2533 start ? "Start" : "Stop",
2534 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2535 strerror(-ret));
f632e483
AS
2536 return ret;
2537}
f632e483
AS
2538
2539
91724d6f
AS
2540static int i802_set_iface_flags(struct i802_bss *bss, int up)
2541{
2542 enum nl80211_iftype nlmode;
2543
2544 nlmode = nl80211_get_ifmode(bss);
2545 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2546 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2547 bss->ifname, up);
2548 }
2549
2550 /* P2P Device has start/stop which is equivalent */
2551 return nl80211_set_p2pdev(bss, up);
2552}
2553
2554
1db718b3
JM
2555#ifdef CONFIG_TESTING_OPTIONS
2556static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2557{
2558 /* struct wpa_driver_nl80211_data *drv = arg; */
2559 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2560 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2561
2562
2563 wpa_printf(MSG_DEBUG,
2564 "nl80211: QCA vendor test command response received");
2565
2566 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2567 genlmsg_attrlen(gnlh, 0), NULL);
2568 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2569 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2570 return NL_SKIP;
2571 }
2572
2573 wpa_hexdump(MSG_DEBUG,
2574 "nl80211: Received QCA vendor test command response",
2575 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2576 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2577
2578 return NL_SKIP;
2579}
2580#endif /* CONFIG_TESTING_OPTIONS */
2581
2582
2583static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2584{
2585#ifdef CONFIG_TESTING_OPTIONS
2586 struct nl_msg *msg;
2587 struct nlattr *params;
2588 int ret;
2589
2590 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2591 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2592 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2593 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2594 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2595 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2596 nlmsg_free(msg);
2597 return;
2598 }
2599 nla_nest_end(msg, params);
2600
2601 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2602 wpa_printf(MSG_DEBUG,
2603 "nl80211: QCA vendor test command returned %d (%s)",
2604 ret, strerror(-ret));
2605#endif /* CONFIG_TESTING_OPTIONS */
2606}
2607
2608
362f781e 2609static int
0d547d5f 2610wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM
2611 const u8 *set_addr, int first,
2612 const char *driver_params)
7524cfb1 2613{
834ee56f 2614 struct i802_bss *bss = drv->first_bss;
8401a6b0 2615 int send_rfkill_event = 0;
0d547d5f 2616 enum nl80211_iftype nlmode;
a2e40bb6
FF
2617
2618 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS
2619 bss->ifindex = drv->ifindex;
2620 bss->wdev_id = drv->global->if_add_wdevid;
2621 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2622
60b13c20
IP
2623 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2624 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS
2625 drv->global->if_add_wdevid_set = 0;
2626
bf144cf6
AP
2627 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2628 bss->static_ap = 1;
2629
ef3866ab
IP
2630 if (first &&
2631 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2632 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2633 drv->start_iface_up = 1;
2634
f632e483
AS
2635 if (wpa_driver_nl80211_capa(drv))
2636 return -1;
a87c9d96 2637
0ecff8d7
JM
2638 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2639 return -1;
2640
5fbcb45d
AS
2641 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2642 bss->ifname, drv->phyname);
2643
0d547d5f
JM
2644 if (set_addr &&
2645 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2646 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2647 set_addr)))
2648 return -1;
2649
49b4b205
JM
2650 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2651 drv->start_mode_ap = 1;
2652
bf144cf6 2653 if (drv->hostapd || bss->static_ap)
0d547d5f 2654 nlmode = NL80211_IFTYPE_AP;
4fe726e2
FF
2655 else if (bss->if_dynamic ||
2656 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
8e12685c 2657 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM
2658 else
2659 nlmode = NL80211_IFTYPE_STATION;
f632e483 2660
8e12685c 2661 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 2662 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 2663 return -1;
a87c9d96
JM
2664 }
2665
8c06db70 2666 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 2667 nl80211_get_macaddr(bss);
f632e483 2668
0e92fb8f
JB
2669 wpa_driver_nl80211_drv_init_rfkill(drv);
2670
8c06db70
MB
2671 if (!rfkill_is_blocked(drv->rfkill)) {
2672 int ret = i802_set_iface_flags(bss, 1);
2673 if (ret) {
8401a6b0
JM
2674 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2675 "interface '%s' UP", bss->ifname);
8c06db70 2676 return ret;
8401a6b0 2677 }
e8dc205f
AO
2678
2679 if (is_p2p_net_interface(nlmode))
2680 nl80211_disable_11b_rates(bss->drv,
2681 bss->drv->ifindex, 1);
2682
8c06db70
MB
2683 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2684 return ret;
2685 } else {
2686 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2687 "interface '%s' due to rfkill", bss->ifname);
6da504a1
IP
2688 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2689 drv->if_disabled = 1;
2690
8c06db70 2691 send_rfkill_event = 1;
362f781e 2692 }
3f5285e8 2693
6da504a1 2694 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
0d547d5f
JM
2695 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2696 1, IF_OPER_DORMANT);
362f781e 2697
6da504a1
IP
2698 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2699 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2700 bss->addr))
2701 return -1;
2702 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2703 }
f2ed8023 2704
8401a6b0
JM
2705 if (send_rfkill_event) {
2706 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2707 drv, drv->ctx);
2708 }
2709
1db718b3
JM
2710 if (drv->vendor_cmd_test_avail)
2711 qca_vendor_test(drv);
2712
40a68f33
SD
2713 nl80211_init_connect_handle(bss);
2714
362f781e 2715 return 0;
3f5285e8
JM
2716}
2717
2718
a70cd0db 2719static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss)
8a27af5c
JM
2720{
2721 struct nl_msg *msg;
a70cd0db 2722 struct wpa_driver_nl80211_data *drv = bss->drv;
8a27af5c 2723
08e55ebb
JM
2724 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2725 drv->ifindex);
a70cd0db 2726 nl80211_put_wiphy_data_ap(bss);
9725b784 2727 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
8a27af5c 2728 return send_and_recv_msgs(drv, msg, NULL, NULL);
8a27af5c 2729}
8a27af5c
JM
2730
2731
3f5285e8 2732/**
7e5ba1b9 2733 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 2734 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM
2735 *
2736 * Shut down driver interface and processing of driver events. Free
2737 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2738 */
9ebce9c5 2739static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 2740{
a2e40bb6 2741 struct wpa_driver_nl80211_data *drv = bss->drv;
cc9a2575 2742 unsigned int i;
3f5285e8 2743
3e208481
JM
2744 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2745 bss->ifname, drv->disabled_11b_rates);
2746
873d0fcf 2747 bss->in_deinit = 1;
32ab4855
JB
2748 if (drv->data_tx_status)
2749 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB
2750 if (drv->eapol_tx_sock >= 0)
2751 close(drv->eapol_tx_sock);
f10bfc9a 2752
481234cf 2753 if (bss->nl_preq)
5582a5d1 2754 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 2755 if (bss->added_if_into_bridge) {
c81eff1a
BG
2756 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2757 bss->ifname) < 0)
94627f6c
JM
2758 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2759 "interface %s from bridge %s: %s",
e17a2477 2760 bss->ifname, bss->brname, strerror(errno));
94627f6c 2761 }
c809756f
SM
2762
2763 if (drv->rtnl_sk)
2764 nl80211_handle_destroy(drv->rtnl_sk);
2765
e17a2477 2766 if (bss->added_bridge) {
f2535da8
JM
2767 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2768 0) < 0)
2769 wpa_printf(MSG_INFO,
2770 "nl80211: Could not set bridge %s down",
2771 bss->brname);
c81eff1a 2772 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM
2773 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2774 "bridge %s: %s",
e17a2477 2775 bss->brname, strerror(errno));
94627f6c
JM
2776 }
2777
460456f8 2778 nl80211_remove_monitor_interface(drv);
8a27af5c 2779
b1f625e0 2780 if (is_ap_interface(drv->nlmode))
a70cd0db 2781 wpa_driver_nl80211_del_beacon(bss);
0915d02c 2782
bbaf0837
JM
2783 if (drv->eapol_sock >= 0) {
2784 eloop_unregister_read_sock(drv->eapol_sock);
2785 close(drv->eapol_sock);
2786 }
2787
2788 if (drv->if_indices != drv->default_if_indices)
2789 os_free(drv->if_indices);
3f5285e8 2790
b3af99d2 2791 if (drv->disabled_11b_rates)
4e5cb1a3
JM
2792 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2793
36d84860
BG
2794 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2795 IF_OPER_UP);
e390df05 2796 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
8401a6b0 2797 rfkill_deinit(drv->rfkill);
3f5285e8 2798
bbaf0837
JM
2799 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2800
146fa9b3
JM
2801 if (!drv->start_iface_up)
2802 (void) i802_set_iface_flags(bss, 0);
fee354c7
JM
2803
2804 if (drv->addr_changed) {
93da0498
JM
2805 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2806 0) < 0) {
2807 wpa_printf(MSG_DEBUG,
2808 "nl80211: Could not set interface down to restore permanent MAC address");
2809 }
fee354c7
JM
2810 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2811 drv->perm_addr) < 0) {
2812 wpa_printf(MSG_DEBUG,
2813 "nl80211: Could not restore permanent MAC address");
2814 }
2815 }
2816
8e12685c 2817 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM
2818 if (!drv->hostapd || !drv->start_mode_ap)
2819 wpa_driver_nl80211_set_mode(bss,
2820 NL80211_IFTYPE_STATION);
b378c41f 2821 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS
2822 } else {
2823 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 2824 nl80211_del_p2pdev(bss);
8e12685c 2825 }
3f5285e8 2826
40a68f33
SD
2827 if (bss->nl_connect)
2828 nl80211_destroy_eloop_handle(&bss->nl_connect, 1);
2829
834ee56f 2830 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 2831
3812464c
JM
2832 os_free(drv->filter_ssids);
2833
536fd62d
JM
2834 os_free(drv->auth_ie);
2835
dac12351 2836 if (drv->in_interface_list)
f2ed8023
JM
2837 dl_list_del(&drv->list);
2838
8cd6b7bc
JB
2839 os_free(drv->extended_capa);
2840 os_free(drv->extended_capa_mask);
cc9a2575
KV
2841 for (i = 0; i < drv->num_iface_ext_capa; i++) {
2842 os_free(drv->iface_ext_capa[i].ext_capa);
2843 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2844 }
834ee56f 2845 os_free(drv->first_bss);
3f5285e8
JM
2846 os_free(drv);
2847}
2848
2849
de4ed4a8
JM
2850static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2851{
2852 switch (alg) {
2853 case WPA_ALG_WEP:
2854 if (key_len == 5)
a042e39a
JM
2855 return RSN_CIPHER_SUITE_WEP40;
2856 return RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2857 case WPA_ALG_TKIP:
a042e39a 2858 return RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2859 case WPA_ALG_CCMP:
a042e39a 2860 return RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2861 case WPA_ALG_GCMP:
a042e39a 2862 return RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2863 case WPA_ALG_CCMP_256:
a042e39a 2864 return RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2865 case WPA_ALG_GCMP_256:
a042e39a 2866 return RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2867 case WPA_ALG_IGTK:
a042e39a 2868 return RSN_CIPHER_SUITE_AES_128_CMAC;
de4ed4a8 2869 case WPA_ALG_BIP_GMAC_128:
a042e39a 2870 return RSN_CIPHER_SUITE_BIP_GMAC_128;
de4ed4a8 2871 case WPA_ALG_BIP_GMAC_256:
a042e39a 2872 return RSN_CIPHER_SUITE_BIP_GMAC_256;
de4ed4a8 2873 case WPA_ALG_BIP_CMAC_256:
a042e39a 2874 return RSN_CIPHER_SUITE_BIP_CMAC_256;
de4ed4a8 2875 case WPA_ALG_SMS4:
a042e39a 2876 return RSN_CIPHER_SUITE_SMS4;
de4ed4a8 2877 case WPA_ALG_KRK:
a042e39a 2878 return RSN_CIPHER_SUITE_KRK;
de4ed4a8
JM
2879 case WPA_ALG_NONE:
2880 case WPA_ALG_PMK:
2881 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2882 alg);
2883 return 0;
2884 }
2885
2886 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2887 alg);
2888 return 0;
2889}
2890
2891
2892static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2893{
2894 switch (cipher) {
2895 case WPA_CIPHER_CCMP_256:
a042e39a 2896 return RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2897 case WPA_CIPHER_GCMP_256:
a042e39a 2898 return RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2899 case WPA_CIPHER_CCMP:
a042e39a 2900 return RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2901 case WPA_CIPHER_GCMP:
a042e39a 2902 return RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2903 case WPA_CIPHER_TKIP:
a042e39a 2904 return RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2905 case WPA_CIPHER_WEP104:
a042e39a 2906 return RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2907 case WPA_CIPHER_WEP40:
a042e39a 2908 return RSN_CIPHER_SUITE_WEP40;
ae6f9272 2909 case WPA_CIPHER_GTK_NOT_USED:
a042e39a 2910 return RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED;
de4ed4a8
JM
2911 }
2912
2913 return 0;
2914}
2915
2916
2917static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2918 int max_suites)
2919{
2920 int num_suites = 0;
2921
2922 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
a042e39a 2923 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP_256;
de4ed4a8 2924 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
a042e39a 2925 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP_256;
de4ed4a8 2926 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
a042e39a 2927 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP;
de4ed4a8 2928 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
a042e39a 2929 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP;
de4ed4a8 2930 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
a042e39a 2931 suites[num_suites++] = RSN_CIPHER_SUITE_TKIP;
de4ed4a8 2932 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
a042e39a 2933 suites[num_suites++] = RSN_CIPHER_SUITE_WEP104;
de4ed4a8 2934 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
a042e39a 2935 suites[num_suites++] = RSN_CIPHER_SUITE_WEP40;
de4ed4a8
JM
2936
2937 return num_suites;
2938}
2939
2940
b658547d 2941#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL
2942static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2943 const u8 *key, size_t key_len)
2944{
2945 struct nl_msg *msg;
a862e4a3 2946 int ret;
b41f2684 2947
15badebd 2948 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
b41f2684
CL
2949 return 0;
2950
9725b784 2951 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM
2952 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2953 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2954 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2955 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
bbd89bfc 2956 nl80211_nlmsg_clear(msg);
a862e4a3
JM
2957 nlmsg_free(msg);
2958 return -1;
2959 }
bbd89bfc 2960 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
b41f2684
CL
2961 if (ret) {
2962 wpa_printf(MSG_DEBUG,
2963 "nl80211: Key management set key failed: ret=%d (%s)",
2964 ret, strerror(-ret));
2965 }
2966
b41f2684
CL
2967 return ret;
2968}
b658547d 2969#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684
CL
2970
2971
05fc7c68
AS
2972static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv,
2973 const u8 *key, size_t key_len,
2974 const u8 *addr)
2975{
2976 struct nl_msg *msg = NULL;
2977 int ret;
2978
2979 /*
2980 * If the authenticator address is not set, assume it is
2981 * the current BSSID.
2982 */
2983 if (!addr && drv->associated)
2984 addr = drv->bssid;
2985 else if (!addr)
2986 return -1;
2987
2988 wpa_printf(MSG_DEBUG, "nl80211: Set PMK to the driver for " MACSTR,
2989 MAC2STR(addr));
2990 wpa_hexdump_key(MSG_DEBUG, "nl80211: PMK", key, key_len);
2991 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_PMK);
2992 if (!msg ||
2993 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2994 nla_put(msg, NL80211_ATTR_PMK, key_len, key)) {
2995 nl80211_nlmsg_clear(msg);
2996 nlmsg_free(msg);
2997 return -ENOBUFS;
2998 }
2999
3000 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
3001 if (ret) {
3002 wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)",
3003 ret, strerror(-ret));
3004 }
3005
3006 return ret;
3007}
3008
3009
9ebce9c5 3010static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM
3011 enum wpa_alg alg, const u8 *addr,
3012 int key_idx, int set_tx,
642187d6
JM
3013 const u8 *seq, size_t seq_len,
3014 const u8 *key, size_t key_len)
3f5285e8 3015{
a2e40bb6 3016 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 3017 int ifindex;
34651767 3018 struct nl_msg *msg = NULL;
1ad1cdc2 3019 int ret;
dc01de8a 3020 int tdls = 0;
3f5285e8 3021
e472e1b4
AS
3022 /* Ignore for P2P Device */
3023 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
3024 return 0;
3025
3026 ifindex = if_nametoindex(ifname);
8393e1a0 3027 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 3028 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 3029 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 3030 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 3031#ifdef CONFIG_TDLS
dc01de8a 3032 if (key_idx == -1) {
8c66e185 3033 key_idx = 0;
dc01de8a
JM
3034 tdls = 1;
3035 }
8c66e185 3036#endif /* CONFIG_TDLS */
3f5285e8 3037
b658547d 3038#ifdef CONFIG_DRIVER_NL80211_QCA
15badebd
CL
3039 if (alg == WPA_ALG_PMK &&
3040 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
b41f2684
CL
3041 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
3042 __func__);
3043 ret = issue_key_mgmt_set_key(drv, key, key_len);
3044 return ret;
3045 }
b658547d 3046#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 3047
05fc7c68 3048 if (alg == WPA_ALG_PMK &&
436ee2fd 3049 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
05fc7c68
AS
3050 return nl80211_set_pmk(drv, key, key_len, addr);
3051
3f5285e8 3052 if (alg == WPA_ALG_NONE) {
95376e1a
JM
3053 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
3054 if (!msg)
3055 return -ENOBUFS;
3f5285e8 3056 } else {
34651767
JM
3057 u32 suite;
3058
3059 suite = wpa_alg_to_cipher_suite(alg, key_len);
3060 if (!suite)
3061 goto fail;
95376e1a
JM
3062 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
3063 if (!msg ||
a862e4a3 3064 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
34651767 3065 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
a862e4a3 3066 goto fail;
e6ef73f1 3067 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3f5285e8
JM
3068 }
3069
e6ef73f1 3070 if (seq && seq_len) {
a862e4a3
JM
3071 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
3072 goto fail;
e6ef73f1
JM
3073 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
3074 }
1ad1cdc2 3075
0382097e 3076 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8 3077 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
a862e4a3
JM
3078 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
3079 goto fail;
89c38e32
JM
3080
3081 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
3082 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
a862e4a3
JM
3083 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
3084 NL80211_KEYTYPE_GROUP))
3085 goto fail;
89c38e32 3086 }
60ea8187 3087 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB
3088 struct nlattr *types;
3089
60ea8187 3090 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB
3091
3092 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM
3093 if (!types ||
3094 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
3095 goto fail;
8970bae8 3096 nla_nest_end(msg, types);
3f5285e8 3097 }
95376e1a 3098 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
a862e4a3 3099 goto fail;
3f5285e8 3100
bbd89bfc 3101 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
15664ad0 3102 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM
3103 ret = 0;
3104 if (ret)
3105 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
3106 ret, strerror(-ret));
3f5285e8 3107
1ad1cdc2
JM
3108 /*
3109 * If we failed or don't need to set the default TX key (below),
3110 * we're done here.
3111 */
dc01de8a 3112 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 3113 return ret;
b1f625e0 3114 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 3115 !is_broadcast_ether_addr(addr))
de12717a 3116 return ret;
3f5285e8 3117
95376e1a
JM
3118 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
3119 if (!msg ||
a862e4a3 3120 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
86f9b1c7
JM
3121 nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
3122 alg == WPA_ALG_BIP_GMAC_128 ||
3123 alg == WPA_ALG_BIP_GMAC_256 ||
3124 alg == WPA_ALG_BIP_CMAC_256) ?
a862e4a3
JM
3125 NL80211_ATTR_KEY_DEFAULT_MGMT :
3126 NL80211_ATTR_KEY_DEFAULT))
3127 goto fail;
60ea8187 3128 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB
3129 struct nlattr *types;
3130
3131 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM
3132 if (!types ||
3133 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
3134 goto fail;
8970bae8 3135 nla_nest_end(msg, types);
60ea8187 3136 } else if (addr) {
8970bae8
JB
3137 struct nlattr *types;
3138
3139 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM
3140 if (!types ||
3141 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
3142 goto fail;
8970bae8 3143 nla_nest_end(msg, types);
60ea8187 3144 }
3f5285e8 3145
1ad1cdc2
JM
3146 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3147 if (ret == -ENOENT)
3148 ret = 0;
3149 if (ret)
3150 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
3151 "err=%d %s)", ret, strerror(-ret));
3152 return ret;
3f5285e8 3153
a862e4a3 3154fail:
bbd89bfc 3155 nl80211_nlmsg_clear(msg);
5883168a 3156 nlmsg_free(msg);
6241fcb1 3157 return -ENOBUFS;
3f5285e8
JM
3158}
3159
3160
71934751 3161static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB
3162 int key_idx, int defkey,
3163 const u8 *seq, size_t seq_len,
3164 const u8 *key, size_t key_len)
3165{
3166 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
34651767
JM
3167 u32 suite;
3168
0194fedb
JB
3169 if (!key_attr)
3170 return -1;
3171
34651767
JM
3172 suite = wpa_alg_to_cipher_suite(alg, key_len);
3173 if (!suite)
3174 return -1;
3175
a862e4a3
JM
3176 if (defkey && alg == WPA_ALG_IGTK) {
3177 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
3178 return -1;
3179 } else if (defkey) {
3180 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
3181 return -1;
3182 }
0194fedb 3183
a862e4a3 3184 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
34651767 3185 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
a862e4a3
JM
3186 (seq && seq_len &&
3187 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
3188 nla_put(msg, NL80211_KEY_DATA, key_len, key))
3189 return -1;
0194fedb
JB
3190
3191 nla_nest_end(msg, key_attr);
3192
3193 return 0;
0194fedb
JB
3194}
3195
c811d5bc 3196
cfaab580
ZY
3197static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
3198 struct nl_msg *msg)
3199{
3200 int i, privacy = 0;
3201 struct nlattr *nl_keys, *nl_key;
3202
3203 for (i = 0; i < 4; i++) {
3204 if (!params->wep_key[i])
3205 continue;
3206 privacy = 1;
3207 break;
3208 }
ce04af5a
JM
3209 if (params->wps == WPS_MODE_PRIVACY)
3210 privacy = 1;
3211 if (params->pairwise_suite &&
3212 params->pairwise_suite != WPA_CIPHER_NONE)
3213 privacy = 1;
3214
cfaab580
ZY
3215 if (!privacy)
3216 return 0;
3217
a862e4a3
JM
3218 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3219 return -ENOBUFS;
cfaab580
ZY
3220
3221 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
3222 if (!nl_keys)
a862e4a3 3223 return -ENOBUFS;
cfaab580
ZY
3224
3225 for (i = 0; i < 4; i++) {
3226 if (!params->wep_key[i])
3227 continue;
3228
3229 nl_key = nla_nest_start(msg, i);
a862e4a3
JM
3230 if (!nl_key ||
3231 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3232 params->wep_key[i]) ||
3233 nla_put_u32(msg, NL80211_KEY_CIPHER,
3234 params->wep_key_len[i] == 5 ?
a042e39a
JM
3235 RSN_CIPHER_SUITE_WEP40 :
3236 RSN_CIPHER_SUITE_WEP104) ||
a862e4a3
JM
3237 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3238 (i == params->wep_tx_keyidx &&
3239 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3240 return -ENOBUFS;
cfaab580
ZY
3241
3242 nla_nest_end(msg, nl_key);
3243 }
3244 nla_nest_end(msg, nl_keys);
3245
3246 return 0;
cfaab580
ZY
3247}
3248
3249
477af8f8
JM
3250int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3251 const u8 *addr, int cmd, u16 reason_code,
10d32e2c
CI
3252 int local_state_change,
3253 struct nl_handle *nl_connect)
c2a04078 3254{
a862e4a3 3255 int ret;
c2a04078
JM
3256 struct nl_msg *msg;
3257
9725b784 3258 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM
3259 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3260 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3261 (local_state_change &&
3262 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3263 nlmsg_free(msg);
3264 return -1;
3265 }
c2a04078 3266
10d32e2c
CI
3267 if (nl_connect)
3268 ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL);
3269 else
3270 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 3271 if (ret) {
3b7ea880
BG
3272 wpa_dbg(drv->ctx, MSG_DEBUG,
3273 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3274 reason_code, ret, strerror(-ret));
c2a04078 3275 }
c2a04078
JM
3276 return ret;
3277}
3f5285e8
JM
3278
3279
cfaab580 3280static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
4be17ffb 3281 u16 reason_code,
10d32e2c 3282 struct nl_handle *nl_connect)
cfaab580 3283{
3f53c006 3284 int ret;
b898b655 3285 int drv_associated = drv->associated;
3f53c006 3286
817762d9 3287 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 3288 nl80211_mark_disconnected(drv);
817762d9 3289 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006 3290 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
10d32e2c 3291 reason_code, 0, nl_connect);
3f53c006
JJ
3292 /*
3293 * For locally generated disconnect, supplicant already generates a
3294 * DEAUTH event, so ignore the event from NL80211.
3295 */
b898b655 3296 drv->ignore_next_local_disconnect = drv_associated && (ret == 0);
3f53c006
JJ
3297
3298 return ret;
cfaab580
ZY
3299}
3300
3301
9ebce9c5 3302static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
4be17ffb 3303 const u8 *addr, u16 reason_code)
3f5285e8 3304{
a2e40bb6 3305 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 3306 int ret;
b898b655 3307 int drv_associated = drv->associated;
9392c9be
AS
3308
3309 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3310 nl80211_mark_disconnected(drv);
666e508c 3311 return nl80211_leave_ibss(drv, 1);
9392c9be 3312 }
10d32e2c
CI
3313 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
3314 struct nl_handle *nl_connect = NULL;
3315
3316 if (bss->use_nl_connect)
3317 nl_connect = bss->nl_connect;
3318 return wpa_driver_nl80211_disconnect(drv, reason_code,
3319 nl_connect);
3320 }
2e75a2b3
JM
3321 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3322 __func__, MAC2STR(addr), reason_code);
add9b7a4 3323 nl80211_mark_disconnected(drv);
d6a36f39 3324 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
10d32e2c 3325 reason_code, 0, NULL);
d6a36f39
JM
3326 /*
3327 * For locally generated deauthenticate, supplicant already generates a
3328 * DEAUTH event, so ignore the event from NL80211.
3329 */
b898b655
HW
3330 drv->ignore_next_local_deauth = drv_associated && (ret == 0);
3331
d6a36f39 3332 return ret;
3f5285e8
JM
3333}
3334
3335
536fd62d
JM
3336static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3337 struct wpa_driver_auth_params *params)
3338{
3339 int i;
3340
3341 drv->auth_freq = params->freq;
3342 drv->auth_alg = params->auth_alg;
3343 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3344 drv->auth_local_state_change = params->local_state_change;
3345 drv->auth_p2p = params->p2p;
3346
3347 if (params->bssid)
3348 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3349 else
3350 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3351
3352 if (params->ssid) {
3353 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3354 drv->auth_ssid_len = params->ssid_len;
3355 } else
3356 drv->auth_ssid_len = 0;
3357
3358
3359 os_free(drv->auth_ie);
3360 drv->auth_ie = NULL;
3361 drv->auth_ie_len = 0;
3362 if (params->ie) {
3363 drv->auth_ie = os_malloc(params->ie_len);
3364 if (drv->auth_ie) {
3365 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3366 drv->auth_ie_len = params->ie_len;
3367 }
3368 }
3369
3370 for (i = 0; i < 4; i++) {
3371 if (params->wep_key[i] && params->wep_key_len[i] &&
3372 params->wep_key_len[i] <= 16) {
3373 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3374 params->wep_key_len[i]);
3375 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3376 } else
3377 drv->auth_wep_key_len[i] = 0;
3378 }
3379}
3380
3381
4bd71954
JM
3382static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3383{
3384 struct wpa_driver_nl80211_data *drv = bss->drv;
3385
3386 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3387 return;
3388
3389 /*
3390 * Looks like we failed to unmask 11b rates previously. This could
3391 * happen, e.g., if the interface was down at the point in time when a
3392 * P2P group was terminated.
3393 */
3394 wpa_printf(MSG_DEBUG,
3395 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3396 bss->ifname);
3397 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3398}
3399
3400
3c67e977
VK
3401static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3402{
3403 if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3404 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3405 if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3406 return NL80211_AUTHTYPE_SHARED_KEY;
3407 if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3408 return NL80211_AUTHTYPE_NETWORK_EAP;
3409 if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3410 return NL80211_AUTHTYPE_FT;
3411 if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3412 return NL80211_AUTHTYPE_SAE;
3413 if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3414 return NL80211_AUTHTYPE_FILS_SK;
3415 if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3416 return NL80211_AUTHTYPE_FILS_SK_PFS;
3417
3418 return NL80211_AUTHTYPE_MAX;
3419}
3420
3421
c2a04078 3422static int wpa_driver_nl80211_authenticate(
9ebce9c5 3423 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 3424{
a2e40bb6 3425 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 3426 int ret = -1, i;
c2a04078
JM
3427 struct nl_msg *msg;
3428 enum nl80211_auth_type type;
2f4f73b1 3429 enum nl80211_iftype nlmode;
6d6f4bb8 3430 int count = 0;
536fd62d
JM
3431 int is_retry;
3432
4bd71954
JM
3433 nl80211_unmask_11b_rates(bss);
3434
536fd62d
JM
3435 is_retry = drv->retry_auth;
3436 drv->retry_auth = 0;
e8d70a73 3437 drv->ignore_deauth_event = 0;
c2a04078 3438
add9b7a4 3439 nl80211_mark_disconnected(drv);
e6b8efeb 3440 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM
3441 if (params->bssid)
3442 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3443 else
3444 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 3445 /* FIX: IBSS mode */
2f4f73b1
EP
3446 nlmode = params->p2p ?
3447 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3448 if (drv->nlmode != nlmode &&
9ebce9c5 3449 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM
3450 return -1;
3451
6d6f4bb8 3452retry:
c2a04078
JM
3453 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3454 drv->ifindex);
a0b2f99b 3455
9725b784
JM
3456 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3457 if (!msg)
3458 goto fail;
0194fedb 3459
a0b2f99b
JM
3460 for (i = 0; i < 4; i++) {
3461 if (!params->wep_key[i])
3462 continue;
9ebce9c5 3463 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 3464 NULL, i,
a0b2f99b
JM
3465 i == params->wep_tx_keyidx, NULL, 0,
3466 params->wep_key[i],
3467 params->wep_key_len[i]);
0194fedb
JB
3468 if (params->wep_tx_keyidx != i)
3469 continue;
3470 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM
3471 params->wep_key[i], params->wep_key_len[i]))
3472 goto fail;
a0b2f99b
JM
3473 }
3474
c2a04078
JM
3475 if (params->bssid) {
3476 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3477 MAC2STR(params->bssid));
a862e4a3
JM
3478 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3479 goto fail;
c2a04078
JM
3480 }
3481 if (params->freq) {
3482 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM
3483 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3484 goto fail;
c2a04078
JM
3485 }
3486 if (params->ssid) {
21cd8f83
JM
3487 wpa_printf(MSG_DEBUG, " * SSID=%s",
3488 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM
3489 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3490 params->ssid))
3491 goto fail;
c2a04078
JM
3492 }
3493 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM
3494 if (params->ie &&
3495 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3496 goto fail;
ce16c489
JM
3497 if (params->auth_data) {
3498 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
3499 params->auth_data_len);
3500 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
3501 params->auth_data))
a862e4a3 3502 goto fail;
569fed90 3503 }
3c67e977 3504 type = get_nl_auth_type(params->auth_alg);
c2a04078 3505 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK
3506 if (type == NL80211_AUTHTYPE_MAX ||
3507 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 3508 goto fail;
77339912
JM
3509 if (params->local_state_change) {
3510 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM
3511 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3512 goto fail;
77339912 3513 }
c2a04078
JM
3514
3515 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3516 msg = NULL;
3517 if (ret) {
3b7ea880 3518 wpa_dbg(drv->ctx, MSG_DEBUG,
f875da04
BG
3519 "nl80211: MLME command failed (auth): count=%d ret=%d (%s)",
3520 count, ret, strerror(-ret));
6d6f4bb8 3521 count++;
f875da04
BG
3522 if ((ret == -EALREADY || ret == -EEXIST) && count == 1 &&
3523 params->bssid && !params->local_state_change) {
6d6f4bb8
JM
3524 /*
3525 * mac80211 does not currently accept new
3526 * authentication if we are already authenticated. As a
3527 * workaround, force deauthentication and try again.
3528 */
3529 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3530 "after forced deauthentication");
e8d70a73 3531 drv->ignore_deauth_event = 1;
6d6f4bb8 3532 wpa_driver_nl80211_deauthenticate(
5205c4f9 3533 bss, params->bssid,
6d6f4bb8
JM
3534 WLAN_REASON_PREV_AUTH_NOT_VALID);
3535 nlmsg_free(msg);
3536 goto retry;
3537 }
536fd62d
JM
3538
3539 if (ret == -ENOENT && params->freq && !is_retry) {
3540 /*
3541 * cfg80211 has likely expired the BSS entry even
3542 * though it was previously available in our internal
3543 * BSS table. To recover quickly, start a single
3544 * channel scan on the specified channel.
3545 */
3546 struct wpa_driver_scan_params scan;
3547 int freqs[2];
3548
3549 os_memset(&scan, 0, sizeof(scan));
3550 scan.num_ssids = 1;
3551 if (params->ssid) {
3552 scan.ssids[0].ssid = params->ssid;
3553 scan.ssids[0].ssid_len = params->ssid_len;
3554 }
3555 freqs[0] = params->freq;
3556 freqs[1] = 0;
3557 scan.freqs = freqs;
3558 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3559 "channel scan to refresh cfg80211 BSS "
3560 "entry");
3561 ret = wpa_driver_nl80211_scan(bss, &scan);
3562 if (ret == 0) {
3563 nl80211_copy_auth_params(drv, params);
3564 drv->scan_for_auth = 1;
3565 }
8c3ba078
JM
3566 } else if (is_retry) {
3567 /*
3568 * Need to indicate this with an event since the return
3569 * value from the retry is not delivered to core code.
3570 */
3571 union wpa_event_data event;
3572 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3573 "failed");
3574 os_memset(&event, 0, sizeof(event));
3575 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3576 ETH_ALEN);
3577 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3578 &event);
536fd62d 3579 }
a862e4a3
JM
3580 } else {
3581 wpa_printf(MSG_DEBUG,
3582 "nl80211: Authentication request send successfully");
c2a04078 3583 }
c2a04078 3584
a862e4a3 3585fail:
c2a04078
JM
3586 nlmsg_free(msg);
3587 return ret;
3588}
3589
3590
f3407c66 3591int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM
3592{
3593 struct wpa_driver_auth_params params;
834ee56f 3594 struct i802_bss *bss = drv->first_bss;
536fd62d
JM
3595 int i;
3596
3597 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3598
3599 os_memset(&params, 0, sizeof(params));
3600 params.freq = drv->auth_freq;
3601 params.auth_alg = drv->auth_alg;
3602 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3603 params.local_state_change = drv->auth_local_state_change;
3604 params.p2p = drv->auth_p2p;
3605
3606 if (!is_zero_ether_addr(drv->auth_bssid_))
3607 params.bssid = drv->auth_bssid_;
3608
3609 if (drv->auth_ssid_len) {
3610 params.ssid = drv->auth_ssid;
3611 params.ssid_len = drv->auth_ssid_len;
3612 }
3613
3614 params.ie = drv->auth_ie;
3615 params.ie_len = drv->auth_ie_len;
3616
3617 for (i = 0; i < 4; i++) {
3618 if (drv->auth_wep_key_len[i]) {
3619 params.wep_key[i] = drv->auth_wep_key[i];
3620 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3621 }
3622 }
3623
3624 drv->retry_auth = 1;
3625 return wpa_driver_nl80211_authenticate(bss, &params);
3626}
3627
3628
a11241fa
JB
3629static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3630 const void *data, size_t len,
55231068
JM
3631 int encrypt, int noack,
3632 unsigned int freq, int no_cck,
2d3943ce
AO
3633 int offchanok, unsigned int wait_time,
3634 const u16 *csa_offs,
3635 size_t csa_offs_len)
a11241fa
JB
3636{
3637 struct wpa_driver_nl80211_data *drv = bss->drv;
3638 u64 cookie;
41cc50d1 3639 int res;
a11241fa 3640
c7caac56
JM
3641 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3642 freq = nl80211_get_assoc_freq(drv);
3643 wpa_printf(MSG_DEBUG,
3644 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3645 freq);
3646 }
af964484
JM
3647 if (freq == 0) {
3648 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3649 bss->freq);
55231068 3650 freq = bss->freq;
af964484 3651 }
55231068 3652
739faee2 3653 if (drv->use_monitor) {
981cf85a 3654 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
739faee2 3655 freq, bss->freq);
981cf85a 3656 return nl80211_send_monitor(drv, data, len, encrypt, noack);
739faee2 3657 }
a11241fa 3658
739faee2 3659 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1 3660 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
2d3943ce
AO
3661 &cookie, no_cck, noack, offchanok,
3662 csa_offs, csa_offs_len);
41cc50d1
JM
3663 if (res == 0 && !noack) {
3664 const struct ieee80211_mgmt *mgmt;
3665 u16 fc;
3666
3667 mgmt = (const struct ieee80211_mgmt *) data;
3668 fc = le_to_host16(mgmt->frame_control);
3669 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3670 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3671 wpa_printf(MSG_MSGDUMP,
3672 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3673 (long long unsigned int)
3674 drv->send_action_cookie,
3675 (long long unsigned int) cookie);
3676 drv->send_action_cookie = cookie;
3677 }
3678 }
3679
3680 return res;
a11241fa
JB
3681}
3682
3683
9ebce9c5
JM
3684static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3685 size_t data_len, int noack,
3686 unsigned int freq, int no_cck,
3687 int offchanok,
2d3943ce
AO
3688 unsigned int wait_time,
3689 const u16 *csa_offs,
3690 size_t csa_offs_len)
2c2010ac 3691{
a2e40bb6 3692 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 3693 struct ieee80211_mgmt *mgmt;
7a47d567 3694 int encrypt = 1;
2c2010ac
JM
3695 u16 fc;
3696
3697 mgmt = (struct ieee80211_mgmt *) data;
3698 fc = le_to_host16(mgmt->frame_control);
f95a4524
PF
3699 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3700 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3701 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3702 fc, fc2str(fc), drv->nlmode);
2c2010ac 3703
8e12685c
AS
3704 if ((is_sta_interface(drv->nlmode) ||
3705 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB
3706 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3707 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3708 /*
3709 * The use of last_mgmt_freq is a bit of a hack,
3710 * but it works due to the single-threaded nature
3711 * of wpa_supplicant.
3712 */
af964484
JM
3713 if (freq == 0) {
3714 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3715 drv->last_mgmt_freq);
55231068 3716 freq = drv->last_mgmt_freq;
af964484 3717 }
55231068 3718 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7 3719 data, data_len, NULL, 1, noack,
2d3943ce 3720 1, csa_offs, csa_offs_len);
5582a5d1
JB
3721 }
3722
61cbe2ff 3723 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM
3724 if (freq == 0) {
3725 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3726 bss->freq);
55231068 3727 freq = bss->freq;
af964484 3728 }
b5671498
JM
3729 return nl80211_send_frame_cmd(bss, freq,
3730 (int) freq == bss->freq ? 0 :
3731 wait_time,
d8d6b32e
DG
3732 data, data_len,
3733 &drv->send_action_cookie,
2d3943ce
AO
3734 no_cck, noack, offchanok,
3735 csa_offs, csa_offs_len);
86957e62
JM
3736 }
3737
2c2010ac
JM
3738 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3739 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3740 /*
3741 * Only one of the authentication frame types is encrypted.
3742 * In order for static WEP encryption to work properly (i.e.,
3743 * to not encrypt the frame), we need to tell mac80211 about
3744 * the frames that must not be encrypted.
3745 */
3746 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3747 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB
3748 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3749 encrypt = 0;
2c2010ac
JM
3750 }
3751
739faee2 3752 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 3753 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068 3754 noack, freq, no_cck, offchanok,
2d3943ce
AO
3755 wait_time, csa_offs,
3756 csa_offs_len);
55231068
JM
3757}
3758
3759
cae87abd
JM
3760static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3761{
3762 u8 rates[NL80211_MAX_SUPP_RATES];
3763 u8 rates_len = 0;
3764 int i;
3765
3766 if (!basic_rates)
3767 return 0;
3768
3769 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3770 rates[rates_len++] = basic_rates[i] / 5;
3771
3772 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3773}
3774
3775
31357268 3776static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47 3777 int slot, int ht_opmode, int ap_isolate,
cae87abd 3778 const int *basic_rates)
31357268
JM
3779{
3780 struct wpa_driver_nl80211_data *drv = bss->drv;
3781 struct nl_msg *msg;
3782
13f83980 3783 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM
3784 (cts >= 0 &&
3785 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3786 (preamble >= 0 &&
3787 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3788 (slot >= 0 &&
3789 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3790 (ht_opmode >= 0 &&
3791 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3792 (ap_isolate >= 0 &&
cae87abd
JM
3793 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3794 nl80211_put_basic_rates(msg, basic_rates)) {
3795 nlmsg_free(msg);
3796 return -ENOBUFS;
e5693c47
JM
3797 }
3798
31357268 3799 return send_and_recv_msgs(drv, msg, NULL, NULL);
31357268
JM
3800}
3801
3802
3c4ca363
VN
3803static int wpa_driver_nl80211_set_acl(void *priv,
3804 struct hostapd_acl_params *params)
3805{
3806 struct i802_bss *bss = priv;
3807 struct wpa_driver_nl80211_data *drv = bss->drv;
3808 struct nl_msg *msg;
f429ec44 3809 struct nl_msg *acl;
3c4ca363 3810 unsigned int i;
a862e4a3 3811 int ret;
3c4ca363
VN
3812
3813 if (!(drv->capa.max_acl_mac_addrs))
3814 return -ENOTSUP;
3815
3816 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3817 return -ENOTSUP;
3818
3c4ca363
VN
3819 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3820 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3821
f429ec44
JM
3822 acl = nlmsg_alloc();
3823 if (!acl)
3824 return -ENOMEM;
3825 for (i = 0; i < params->num_mac_acl; i++) {
3826 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3827 nlmsg_free(acl);
3828 return -ENOMEM;
3829 }
3830 }
3831
9725b784 3832 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM
3833 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3834 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3835 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
f429ec44 3836 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
a862e4a3 3837 nlmsg_free(msg);
f429ec44 3838 nlmsg_free(acl);
a862e4a3
JM
3839 return -ENOMEM;
3840 }
f429ec44 3841 nlmsg_free(acl);
3c4ca363
VN
3842
3843 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN
3844 if (ret) {
3845 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3846 ret, strerror(-ret));
3847 }
3848
3c4ca363
VN
3849 return ret;
3850}
3851
3852
85e1fad8
JM
3853static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3854{
3855 if (beacon_int > 0) {
3856 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3857 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3858 beacon_int);
3859 }
3860
3861 return 0;
3862}
3863
3864
4ac2ea57
MH
3865static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3866{
3867 if (dtim_period > 0) {
3868 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3869 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3870 }
3871
3872 return 0;
3873}
3874
3875
052b8d38
MH
3876#ifdef CONFIG_MESH
3877static int nl80211_set_mesh_config(void *priv,
3878 struct wpa_driver_mesh_bss_params *params)
3879{
3880 struct i802_bss *bss = priv;
3881 struct wpa_driver_nl80211_data *drv = bss->drv;
3882 struct nl_msg *msg;
3883 int ret;
3884
3885 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3886 if (!msg)
3887 return -1;
3888
3889 ret = nl80211_put_mesh_config(msg, params);
3890 if (ret < 0) {
3891 nlmsg_free(msg);
3892 return ret;
3893 }
3894
3895 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3896 if (ret) {
3897 wpa_printf(MSG_ERROR,
3898 "nl80211: Mesh config set failed: %d (%s)",
3899 ret, strerror(-ret));
3900 return ret;
3901 }
3902 return 0;
3903}
3904#endif /* CONFIG_MESH */
3905
3906
d4f3003c
PK
3907static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags,
3908 struct wpa_driver_ap_params *params)
3909{
3910 struct nlattr *bands, *band;
3911 struct nl80211_txrate_vht vht_rate;
3912
3913 if (!params->freq ||
3914 (params->beacon_rate == 0 &&
3915 params->rate_type == BEACON_RATE_LEGACY))
3916 return 0;
3917
3918 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
3919 if (!bands)
3920 return -1;
3921
3922 switch (params->freq->mode) {
3923 case HOSTAPD_MODE_IEEE80211B:
3924 case HOSTAPD_MODE_IEEE80211G:
3925 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
3926 break;
3927 case HOSTAPD_MODE_IEEE80211A:
3928 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
3929 break;
3930 case HOSTAPD_MODE_IEEE80211AD:
3931 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
3932 break;
3933 default:
3934 return 0;
3935 }
3936
3937 if (!band)
3938 return -1;
3939
3940 os_memset(&vht_rate, 0, sizeof(vht_rate));
3941
3942 switch (params->rate_type) {
3943 case BEACON_RATE_LEGACY:
3944 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
3945 wpa_printf(MSG_INFO,
3946 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
3947 return -1;
3948 }
3949
3950 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
3951 (u8) params->beacon_rate / 5) ||
3952 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
3953 (params->freq->vht_enabled &&
3954 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3955 &vht_rate)))
3956 return -1;
3957
3958 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
3959 params->beacon_rate);
3960 break;
3961 case BEACON_RATE_HT:
3962 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
3963 wpa_printf(MSG_INFO,
3964 "nl80211: Driver does not support setting Beacon frame rate (HT)");
3965 return -1;
3966 }
3967 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
3968 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
3969 (params->freq->vht_enabled &&
3970 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3971 &vht_rate)))
3972 return -1;
3973 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
3974 params->beacon_rate);
3975 break;
3976 case BEACON_RATE_VHT:
3977 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
3978 wpa_printf(MSG_INFO,
3979 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
3980 return -1;
3981 }
3982 vht_rate.mcs[0] = BIT(params->beacon_rate);
3983 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
3984 return -1;
3985 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
3986 return -1;
3987 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3988 &vht_rate))
3989 return -1;
3990 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
3991 params->beacon_rate);
3992 break;
3993 }
3994
3995 nla_nest_end(msg, band);
3996 nla_nest_end(msg, bands);
3997
3998 return 0;
3999}
4000
4001
34f7c699
MB
4002static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
4003 int multicast_to_unicast)
4004{
4005 struct wpa_driver_nl80211_data *drv = bss->drv;
4006 struct nl_msg *msg;
4007 int ret;
4008
4009 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
4010 if (!msg ||
4011 (multicast_to_unicast &&
4012 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
4013 wpa_printf(MSG_ERROR,
4014 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
4015 bss->ifname);
4016 nlmsg_free(msg);
4017 return -ENOBUFS;
4018 }
4019
4020 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4021
4022 switch (ret) {
4023 case 0:
4024 wpa_printf(MSG_DEBUG,
4025 "nl80211: multicast to unicast %s on interface %s",
4026 multicast_to_unicast ? "enabled" : "disabled",
4027 bss->ifname);
4028 break;
4029 case -EOPNOTSUPP:
4030 if (!multicast_to_unicast)
4031 break;
4032 wpa_printf(MSG_INFO,
4033 "nl80211: multicast to unicast not supported on interface %s",
4034 bss->ifname);
4035 break;
4036 default:
4037 wpa_printf(MSG_ERROR,
4038 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
4039 multicast_to_unicast ? "enabling" : "disabling",
4040 ret, strerror(-ret), bss->ifname);
4041 break;
4042 }
4043
4044 return ret;
4045}
4046
4047
19c3b566
JM
4048static int wpa_driver_nl80211_set_ap(void *priv,
4049 struct wpa_driver_ap_params *params)
d2440ba0 4050{
a2e40bb6
FF
4051 struct i802_bss *bss = priv;
4052 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM
4053 struct nl_msg *msg;
4054 u8 cmd = NL80211_CMD_NEW_BEACON;
5b82cdbe 4055 int ret = -ENOBUFS;
b4fd6fab 4056 int beacon_set;
b11d1d64 4057 int num_suites;
da1080d7 4058 int smps_mode;
de4ed4a8 4059 u32 suites[10], suite;
b11d1d64 4060 u32 ver;
052b8d38
MH
4061#ifdef CONFIG_MESH
4062 struct wpa_driver_mesh_bss_params mesh_params;
4063#endif /* CONFIG_MESH */
b4fd6fab 4064
f33c8606 4065 beacon_set = params->reenable ? 0 : bss->beacon_set;
d2440ba0 4066
d2440ba0 4067 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM
4068 beacon_set);
4069 if (beacon_set)
d2440ba0 4070 cmd = NL80211_CMD_SET_BEACON;
89fa633a
DL
4071 else if (!drv->device_ap_sme && !drv->use_monitor &&
4072 !nl80211_get_wiphy_data_ap(bss))
a70cd0db 4073 return -ENOBUFS;
d2440ba0 4074
b92e08fc
JM
4075 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
4076 params->head, params->head_len);
b92e08fc
JM
4077 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
4078 params->tail, params->tail_len);
13f83980 4079 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 4080 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
d4f3003c
PK
4081 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
4082 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
b92e08fc 4083 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
21cd8f83
JM
4084 wpa_printf(MSG_DEBUG, "nl80211: ssid=%s",
4085 wpa_ssid_txt(params->ssid, params->ssid_len));
13f83980 4086 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM
4087 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
4088 params->head) ||
4089 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
4090 params->tail) ||
85e1fad8 4091 nl80211_put_beacon_int(msg, params->beacon_int) ||
d4f3003c 4092 nl80211_put_beacon_rate(msg, drv->capa.flags, params) ||
4ac2ea57 4093 nl80211_put_dtim_period(msg, params->dtim_period) ||
a862e4a3
JM
4094 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4095 goto fail;
b92e08fc
JM
4096 if (params->proberesp && params->proberesp_len) {
4097 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
4098 params->proberesp, params->proberesp_len);
a862e4a3
JM
4099 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
4100 params->proberesp))
4101 goto fail;
b92e08fc 4102 }
97a7a0b5
JM
4103 switch (params->hide_ssid) {
4104 case NO_SSID_HIDING:
b92e08fc 4105 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM
4106 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4107 NL80211_HIDDEN_SSID_NOT_IN_USE))
4108 goto fail;
97a7a0b5
JM
4109 break;
4110 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 4111 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM
4112 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4113 NL80211_HIDDEN_SSID_ZERO_LEN))
4114 goto fail;
97a7a0b5
JM
4115 break;
4116 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 4117 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM
4118 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
4119 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
4120 goto fail;
97a7a0b5
JM
4121 break;
4122 }
b92e08fc 4123 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM
4124 if (params->privacy &&
4125 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
4126 goto fail;
b92e08fc 4127 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM
4128 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
4129 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
4130 /* Leave out the attribute */
a862e4a3
JM
4131 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
4132 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4133 NL80211_AUTHTYPE_SHARED_KEY))
4134 goto fail;
4135 } else {
4136 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
4137 NL80211_AUTHTYPE_OPEN_SYSTEM))
4138 goto fail;
4139 }
b11d1d64 4140
b92e08fc 4141 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM
4142 ver = 0;
4143 if (params->wpa_version & WPA_PROTO_WPA)
4144 ver |= NL80211_WPA_VERSION_1;
4145 if (params->wpa_version & WPA_PROTO_RSN)
4146 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM
4147 if (ver &&
4148 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4149 goto fail;
b11d1d64 4150
b92e08fc
JM
4151 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
4152 params->key_mgmt_suites);
b11d1d64
JM
4153 num_suites = 0;
4154 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3aa24db9 4155 suites[num_suites++] = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
b11d1d64 4156 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3aa24db9 4157 suites[num_suites++] = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
a862e4a3
JM
4158 if (num_suites &&
4159 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
4160 suites))
4161 goto fail;
b11d1d64 4162
533fe09b 4163 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
e3429c0b
JB
4164 (!params->pairwise_ciphers ||
4165 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
4166 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
4167 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
a862e4a3 4168 goto fail;
9f12614b 4169
c8931afe
JM
4170 if (drv->device_ap_sme &&
4171 (params->key_mgmt_suites & WPA_KEY_MGMT_SAE) &&
4172 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
4173 goto fail;
236e793e 4174
b92e08fc
JM
4175 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
4176 params->pairwise_ciphers);
de4ed4a8
JM
4177 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
4178 suites, ARRAY_SIZE(suites));
a862e4a3
JM
4179 if (num_suites &&
4180 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4181 num_suites * sizeof(u32), suites))
4182 goto fail;
b11d1d64 4183
b92e08fc
JM
4184 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
4185 params->group_cipher);
de4ed4a8 4186 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM
4187 if (suite &&
4188 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
4189 goto fail;
d2440ba0 4190
ee298f1b
JM
4191 if (params->ht_opmode != -1) {
4192 switch (params->smps_mode) {
4193 case HT_CAP_INFO_SMPS_DYNAMIC:
4194 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
4195 smps_mode = NL80211_SMPS_DYNAMIC;
4196 break;
4197 case HT_CAP_INFO_SMPS_STATIC:
4198 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
4199 smps_mode = NL80211_SMPS_STATIC;
4200 break;
4201 default:
4202 /* invalid - fallback to smps off */
4203 case HT_CAP_INFO_SMPS_DISABLED:
4204 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
4205 smps_mode = NL80211_SMPS_OFF;
4206 break;
4207 }
a2426829 4208 if (nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
ee298f1b 4209 goto fail;
da1080d7 4210 }
da1080d7 4211
fb91db56 4212 if (params->beacon_ies) {
b92e08fc
JM
4213 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
4214 params->beacon_ies);
a862e4a3
JM
4215 if (nla_put(msg, NL80211_ATTR_IE,
4216 wpabuf_len(params->beacon_ies),
4217 wpabuf_head(params->beacon_ies)))
4218 goto fail;
fb91db56
JM
4219 }
4220 if (params->proberesp_ies) {
b92e08fc
JM
4221 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
4222 params->proberesp_ies);
a862e4a3
JM
4223 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
4224 wpabuf_len(params->proberesp_ies),
4225 wpabuf_head(params->proberesp_ies)))
4226 goto fail;
fb91db56
JM
4227 }
4228 if (params->assocresp_ies) {
b92e08fc
JM
4229 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
4230 params->assocresp_ies);
a862e4a3
JM
4231 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
4232 wpabuf_len(params->assocresp_ies),
4233 wpabuf_head(params->assocresp_ies)))
4234 goto fail;
fb91db56
JM
4235 }
4236
a0133ee1 4237 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM
4238 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
4239 params->ap_max_inactivity);
a862e4a3
JM
4240 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
4241 params->ap_max_inactivity))
4242 goto fail;
a0133ee1
VT
4243 }
4244
abb8d08b
EP
4245#ifdef CONFIG_P2P
4246 if (params->p2p_go_ctwindow > 0) {
4247 if (drv->p2p_go_ctwindow_supported) {
4248 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
4249 params->p2p_go_ctwindow);
4250 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
4251 params->p2p_go_ctwindow))
4252 goto fail;
4253 } else {
4254 wpa_printf(MSG_INFO,
4255 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
4256 }
4257 }
4258#endif /* CONFIG_P2P */
4259
86b5c400
LD
4260 if (params->pbss) {
4261 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
4262 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
4263 goto fail;
4264 }
4265
5b82cdbe
JB
4266 if (params->ftm_responder) {
4267 struct nlattr *ftm;
4268
4269 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) {
4270 ret = -ENOTSUP;
4271 goto fail;
4272 }
4273
4274 ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER);
4275 if (!ftm ||
4276 nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) ||
4277 (params->lci &&
4278 nla_put(msg, NL80211_FTM_RESP_ATTR_LCI,
4279 wpabuf_len(params->lci),
4280 wpabuf_head(params->lci))) ||
4281 (params->civic &&
4282 nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC,
4283 wpabuf_len(params->civic),
4284 wpabuf_head(params->civic))))
4285 goto fail;
4286 nla_nest_end(msg, ftm);
4287 }
4288
d2440ba0
JM
4289 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4290 if (ret) {
4291 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
4292 ret, strerror(-ret));
b4fd6fab 4293 } else {
b4fd6fab 4294 bss->beacon_set = 1;
31357268 4295 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 4296 params->short_slot_time, params->ht_opmode,
e5693c47 4297 params->isolate, params->basic_rates);
34f7c699
MB
4298 nl80211_set_multicast_to_unicast(bss,
4299 params->multicast_to_unicast);
e87ef751
PX
4300 if (beacon_set && params->freq &&
4301 params->freq->bandwidth != bss->bandwidth) {
4302 wpa_printf(MSG_DEBUG,
4303 "nl80211: Update BSS %s bandwidth: %d -> %d",
4304 bss->ifname, bss->bandwidth,
4305 params->freq->bandwidth);
4306 ret = nl80211_set_channel(bss, params->freq, 1);
4307 if (ret) {
4308 wpa_printf(MSG_DEBUG,
4309 "nl80211: Frequency set failed: %d (%s)",
4310 ret, strerror(-ret));
4311 } else {
4312 wpa_printf(MSG_DEBUG,
4313 "nl80211: Frequency set succeeded for ht2040 coex");
4314 bss->bandwidth = params->freq->bandwidth;
4315 }
f5728d0a 4316 } else if (!beacon_set && params->freq) {
e87ef751
PX
4317 /*
4318 * cfg80211 updates the driver on frequence change in AP
4319 * mode only at the point when beaconing is started, so
4320 * set the initial value here.
4321 */
4322 bss->bandwidth = params->freq->bandwidth;
4323 }
b4fd6fab 4324 }
052b8d38
MH
4325
4326#ifdef CONFIG_MESH
4327 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
4328 os_memset(&mesh_params, 0, sizeof(mesh_params));
4329 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
4330 mesh_params.ht_opmode = params->ht_opmode;
4331 ret = nl80211_set_mesh_config(priv, &mesh_params);
4332 if (ret < 0)
4333 return ret;
4334 }
4335#endif /* CONFIG_MESH */
4336
d2440ba0 4337 return ret;
a862e4a3 4338fail:
5883168a 4339 nlmsg_free(msg);
5b82cdbe 4340 return ret;
d2440ba0
JM
4341}
4342
4343
1c4ffa87 4344static int nl80211_put_freq_params(struct nl_msg *msg,
72b2605f 4345 const struct hostapd_freq_params *freq)
1581b38b 4346{
1fc4ab23 4347 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
a862e4a3
JM
4348 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4349 return -ENOBUFS;
4350
ad9a1bfe 4351 wpa_printf(MSG_DEBUG, " * he_enabled=%d", freq->he_enabled);
1fc4ab23
JM
4352 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4353 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4354
ad9a1bfe 4355 if (freq->vht_enabled || freq->he_enabled) {
a862e4a3
JM
4356 enum nl80211_chan_width cw;
4357
1fc4ab23 4358 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
89b800d7
JB
4359 switch (freq->bandwidth) {
4360 case 20:
a862e4a3 4361 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB
4362 break;
4363 case 40:
a862e4a3 4364 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB
4365 break;
4366 case 80:
4367 if (freq->center_freq2)
a862e4a3 4368 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 4369 else
a862e4a3 4370 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB
4371 break;
4372 case 160:
a862e4a3 4373 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB
4374 break;
4375 default:
1c4ffa87 4376 return -EINVAL;
89b800d7 4377 }
a862e4a3 4378
1fc4ab23
JM
4379 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4380 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4381 freq->center_freq1);
4382 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4383 freq->center_freq2);
a862e4a3
JM
4384 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4385 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4386 freq->center_freq1) ||
4387 (freq->center_freq2 &&
4388 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
4389 freq->center_freq2)))
4390 return -ENOBUFS;
89b800d7 4391 } else if (freq->ht_enabled) {
a862e4a3
JM
4392 enum nl80211_channel_type ct;
4393
1fc4ab23
JM
4394 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4395 freq->sec_channel_offset);
89b800d7 4396 switch (freq->sec_channel_offset) {
f019981a 4397 case -1:
a862e4a3 4398 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM
4399 break;
4400 case 1:
a862e4a3 4401 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM
4402 break;
4403 default:
a862e4a3 4404 ct = NL80211_CHAN_HT20;
f019981a
JM
4405 break;
4406 }
a862e4a3 4407
1fc4ab23 4408 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
a862e4a3
JM
4409 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
4410 return -ENOBUFS;
3388e7b9
MH
4411 } else {
4412 wpa_printf(MSG_DEBUG, " * channel_type=%d",
4413 NL80211_CHAN_NO_HT);
4414 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
4415 NL80211_CHAN_NO_HT))
4416 return -ENOBUFS;
f019981a 4417 }
1c4ffa87 4418 return 0;
1c4ffa87
AO
4419}
4420
4421
e87ef751
PX
4422static int nl80211_set_channel(struct i802_bss *bss,
4423 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO
4424{
4425 struct wpa_driver_nl80211_data *drv = bss->drv;
4426 struct nl_msg *msg;
4427 int ret;
4428
4429 wpa_printf(MSG_DEBUG,
ad9a1bfe
JC
4430 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
4431 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
1c4ffa87 4432 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 4433
9725b784
JM
4434 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
4435 NL80211_CMD_SET_WIPHY);
4436 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM
4437 nlmsg_free(msg);
4438 return -1;
4439 }
1581b38b 4440
d2440ba0 4441 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 4442 if (ret == 0) {
89b800d7 4443 bss->freq = freq->freq;
1581b38b 4444 return 0;
e4fb2167 4445 }
f019981a 4446 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 4447 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM
4448 return -1;
4449}
4450
0f4e8b4f 4451
95ab6063
AN
4452static u32 sta_flags_nl80211(int flags)
4453{
4454 u32 f = 0;
4455
4456 if (flags & WPA_STA_AUTHORIZED)
4457 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
4458 if (flags & WPA_STA_WMM)
4459 f |= BIT(NL80211_STA_FLAG_WME);
4460 if (flags & WPA_STA_SHORT_PREAMBLE)
4461 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
4462 if (flags & WPA_STA_MFP)
4463 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN
4464 if (flags & WPA_STA_TDLS_PEER)
4465 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC
4466 if (flags & WPA_STA_AUTHENTICATED)
4467 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
dc55b6b6
AB
4468 if (flags & WPA_STA_ASSOCIATED)
4469 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
95ab6063
AN
4470
4471 return f;
4472}
4473
4474
7c7e7877
BC
4475#ifdef CONFIG_MESH
4476static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
4477{
4478 switch (state) {
d02e5498 4479 case PLINK_IDLE:
7c7e7877 4480 return NL80211_PLINK_LISTEN;
d02e5498 4481 case PLINK_OPN_SNT:
7c7e7877 4482 return NL80211_PLINK_OPN_SNT;
d02e5498 4483 case PLINK_OPN_RCVD:
7c7e7877
BC
4484 return NL80211_PLINK_OPN_RCVD;
4485 case PLINK_CNF_RCVD:
4486 return NL80211_PLINK_CNF_RCVD;
4487 case PLINK_ESTAB:
4488 return NL80211_PLINK_ESTAB;
4489 case PLINK_HOLDING:
4490 return NL80211_PLINK_HOLDING;
4491 case PLINK_BLOCKED:
4492 return NL80211_PLINK_BLOCKED;
4493 default:
4494 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
4495 state);
4496 }
4497 return -1;
4498}
4499#endif /* CONFIG_MESH */
4500
4501
62847751 4502static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM
4503 struct hostapd_sta_add_params *params)
4504{
a2e40bb6
FF
4505 struct i802_bss *bss = priv;
4506 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 4507 struct nl_msg *msg;
95ab6063 4508 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM
4509 int ret = -ENOBUFS;
4510
45b722f1
AN
4511 if ((params->flags & WPA_STA_TDLS_PEER) &&
4512 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
4513 return -EOPNOTSUPP;
4514
e4dea253
JM
4515 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
4516 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM
4517 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
4518 NL80211_CMD_NEW_STATION);
4519 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 4520 goto fail;
5551bc9c 4521
dc55b6b6
AB
4522 /*
4523 * Set the below properties only in one of the following cases:
4524 * 1. New station is added, already associated.
4525 * 2. Set WPA_STA_TDLS_PEER station.
4526 * 3. Set an already added unassociated station, if driver supports
4527 * full AP client state. (Set these properties after station became
4528 * associated will be rejected by the driver).
4529 */
4530 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4531 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4532 (params->flags & WPA_STA_ASSOCIATED))) {
5551bc9c
BC
4533 wpa_hexdump(MSG_DEBUG, " * supported rates",
4534 params->supp_rates, params->supp_rates_len);
a862e4a3
JM
4535 wpa_printf(MSG_DEBUG, " * capability=0x%x",
4536 params->capability);
4537 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
4538 params->supp_rates_len, params->supp_rates) ||
4539 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
4540 params->capability))
4541 goto fail;
e503861f
JM
4542
4543 if (params->ht_capabilities) {
4544 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
4545 (u8 *) params->ht_capabilities,
4546 sizeof(*params->ht_capabilities));
a862e4a3
JM
4547 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
4548 sizeof(*params->ht_capabilities),
4549 params->ht_capabilities))
4550 goto fail;
e503861f
JM
4551 }
4552
4553 if (params->vht_capabilities) {
4554 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
4555 (u8 *) params->vht_capabilities,
4556 sizeof(*params->vht_capabilities));
a862e4a3
JM
4557 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
4558 sizeof(*params->vht_capabilities),
4559 params->vht_capabilities))
4560 goto fail;
e503861f
JM
4561 }
4562
59d9c3a1
JC
4563 if (params->he_capab) {
4564 wpa_hexdump(MSG_DEBUG, " * he_capab",
4565 params->he_capab, params->he_capab_len);
4566 if (nla_put(msg, NL80211_ATTR_HE_CAPABILITY,
4567 params->he_capab_len, params->he_capab))
4568 goto fail;
4569 }
4570
e503861f
JM
4571 if (params->ext_capab) {
4572 wpa_hexdump(MSG_DEBUG, " * ext_capab",
4573 params->ext_capab, params->ext_capab_len);
a862e4a3
JM
4574 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4575 params->ext_capab_len, params->ext_capab))
4576 goto fail;
e503861f 4577 }
ae33239c
AB
4578
4579 if (is_ap_interface(drv->nlmode) &&
4580 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4581 params->support_p2p_ps ?
4582 NL80211_P2P_PS_SUPPORTED :
4583 NL80211_P2P_PS_UNSUPPORTED))
4584 goto fail;
5551bc9c 4585 }
45b722f1 4586 if (!params->set) {
f11b72c3
JM
4587 if (params->aid) {
4588 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM
4589 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4590 goto fail;
f11b72c3
JM
4591 } else {
4592 /*
4593 * cfg80211 validates that AID is non-zero, so we have
4594 * to make this a non-zero value for the TDLS case where
dc55b6b6
AB
4595 * a dummy STA entry is used for now and for a station
4596 * that is still not associated.
f11b72c3 4597 */
dc55b6b6
AB
4598 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4599 (params->flags & WPA_STA_TDLS_PEER) ?
4600 "TDLS" : "UNASSOC_STA");
a862e4a3
JM
4601 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4602 goto fail;
f11b72c3 4603 }
e4dea253
JM
4604 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4605 params->listen_interval);
a862e4a3
JM
4606 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4607 params->listen_interval))
4608 goto fail;
e112764e
JM
4609 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4610 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM
4611 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4612 goto fail;
dc55b6b6
AB
4613 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4614 (params->flags & WPA_STA_ASSOCIATED)) {
4615 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4616 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4617 params->listen_interval);
4618 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4619 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4620 params->listen_interval))
4621 goto fail;
45b722f1 4622 }
05a8d422 4623
8a458116
MK
4624 if (params->vht_opmode_enabled) {
4625 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM
4626 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4627 params->vht_opmode))
4628 goto fail;
8a458116
MK
4629 }
4630
efc64886
SD
4631 if (params->supp_channels) {
4632 wpa_hexdump(MSG_DEBUG, " * supported channels",
4633 params->supp_channels, params->supp_channels_len);
a862e4a3
JM
4634 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4635 params->supp_channels_len, params->supp_channels))
4636 goto fail;
efc64886
SD
4637 }
4638
4639 if (params->supp_oper_classes) {
4640 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4641 params->supp_oper_classes,
4642 params->supp_oper_classes_len);
a862e4a3
JM
4643 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4644 params->supp_oper_classes_len,
4645 params->supp_oper_classes))
4646 goto fail;
efc64886
SD
4647 }
4648
95ab6063 4649 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC
4650 upd.set = sta_flags_nl80211(params->flags);
4651 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
dc55b6b6
AB
4652
4653 /*
4654 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4655 * flags, as nl80211 driver moves a new station, by default, into
4656 * associated state.
4657 *
4658 * On the other hand, if the driver supports that feature and the
4659 * station is added in unauthenticated state, set the
4660 * authenticated/associated bits in the mask to prevent moving this
4661 * station to associated state before it is actually associated.
4662 *
4663 * This is irrelevant for mesh mode where the station is added to the
4664 * driver as authenticated already, and ASSOCIATED isn't part of the
4665 * nl80211 API.
4666 */
4667 if (!is_mesh_interface(drv->nlmode)) {
4668 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4669 wpa_printf(MSG_DEBUG,
4670 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4671 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4672 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4673 } else if (!params->set &&
4674 !(params->flags & WPA_STA_TDLS_PEER)) {
4675 if (!(params->flags & WPA_STA_AUTHENTICATED))
4676 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4677 if (!(params->flags & WPA_STA_ASSOCIATED))
4678 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4679 }
e347cafe
MH
4680#ifdef CONFIG_MESH
4681 } else {
4682 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4683 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4684 params->peer_aid);
4685 if (ret)
4686 goto fail;
4687 }
4688#endif /* CONFIG_MESH */
dc55b6b6
AB
4689 }
4690
e4dea253
JM
4691 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4692 upd.set, upd.mask);
a862e4a3
JM
4693 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4694 goto fail;
95ab6063 4695
7c7e7877 4696#ifdef CONFIG_MESH
a862e4a3
JM
4697 if (params->plink_state &&
4698 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4699 sta_plink_state_nl80211(params->plink_state)))
4700 goto fail;
7c7e7877
BC
4701#endif /* CONFIG_MESH */
4702
968520da
SD
4703 if ((!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4704 FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) &&
4705 (params->flags & WPA_STA_WMM)) {
8970bae8
JB
4706 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4707
e4dea253 4708 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM
4709 if (!wme ||
4710 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4711 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4712 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4713 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4714 WMM_QOSINFO_STA_SP_MASK))
4715 goto fail;
8970bae8 4716 nla_nest_end(msg, wme);
774bfa62
EP
4717 }
4718
0f4e8b4f 4719 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4720 msg = NULL;
0f4e8b4f 4721 if (ret)
45b722f1
AN
4722 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4723 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4724 strerror(-ret));
0f4e8b4f
JM
4725 if (ret == -EEXIST)
4726 ret = 0;
a862e4a3 4727fail:
5883168a 4728 nlmsg_free(msg);
0f4e8b4f
JM
4729 return ret;
4730}
4731
4732
97ed9a06
KP
4733static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4734{
4735#ifdef CONFIG_LIBNL3_ROUTE
4736 struct wpa_driver_nl80211_data *drv = bss->drv;
4737 struct rtnl_neigh *rn;
4738 struct nl_addr *nl_addr;
4739 int err;
4740
4741 rn = rtnl_neigh_alloc();
4742 if (!rn)
4743 return;
4744
4745 rtnl_neigh_set_family(rn, AF_BRIDGE);
4746 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4747 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4748 if (!nl_addr) {
4749 rtnl_neigh_put(rn);
4750 return;
4751 }
4752 rtnl_neigh_set_lladdr(rn, nl_addr);
4753
4754 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4755 if (err < 0) {
4756 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4757 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4758 bss->ifindex, nl_geterror(err));
4759 } else {
4760 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4761 MACSTR, MAC2STR(addr));
4762 }
4763
4764 nl_addr_put(nl_addr);
4765 rtnl_neigh_put(rn);
4766#endif /* CONFIG_LIBNL3_ROUTE */
4767}
4768
4769
59d7148a
JM
4770static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4771 int deauth, u16 reason_code)
0f4e8b4f 4772{
a2e40bb6 4773 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM
4774 struct nl_msg *msg;
4775 int ret;
4776
13f83980 4777 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM
4778 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4779 (deauth == 0 &&
4780 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4781 WLAN_FC_STYPE_DISASSOC)) ||
4782 (deauth == 1 &&
4783 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4784 WLAN_FC_STYPE_DEAUTH)) ||
4785 (reason_code &&
4786 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4787 nlmsg_free(msg);
4788 return -ENOBUFS;
4789 }
0f4e8b4f
JM
4790
4791 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM
4792 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4793 " --> %d (%s)",
4794 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP
4795
4796 if (drv->rtnl_sk)
4797 rtnl_neigh_delete_fdb_entry(bss, addr);
4798
0f4e8b4f
JM
4799 if (ret == -ENOENT)
4800 return 0;
4801 return ret;
0f4e8b4f
JM
4802}
4803
1581b38b 4804
f3407c66 4805void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM
4806{
4807 struct nl_msg *msg;
de884303 4808 struct wpa_driver_nl80211_data *drv2;
0915d02c 4809
c6e8e8e4
JM
4810 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4811
2135f224 4812 /* stop listening for EAPOL on this interface */
de884303
JM
4813 dl_list_for_each(drv2, &drv->global->interfaces,
4814 struct wpa_driver_nl80211_data, list)
732b1d20
MB
4815 {
4816 del_ifidx(drv2, ifidx, IFIDX_ANY);
4817 /* Remove all bridges learned for this iface */
4818 del_ifidx(drv2, IFIDX_ANY, ifidx);
4819 }
2135f224 4820
95376e1a 4821 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM
4822 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4823 return;
e748062b 4824 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM
4825}
4826
4827
cc9a2575 4828const char * nl80211_iftype_str(enum nl80211_iftype mode)
a1922f93
JM
4829{
4830 switch (mode) {
4831 case NL80211_IFTYPE_ADHOC:
4832 return "ADHOC";
4833 case NL80211_IFTYPE_STATION:
4834 return "STATION";
4835 case NL80211_IFTYPE_AP:
4836 return "AP";
1045ec36
JM
4837 case NL80211_IFTYPE_AP_VLAN:
4838 return "AP_VLAN";
4839 case NL80211_IFTYPE_WDS:
4840 return "WDS";
a1922f93
JM
4841 case NL80211_IFTYPE_MONITOR:
4842 return "MONITOR";
1045ec36
JM
4843 case NL80211_IFTYPE_MESH_POINT:
4844 return "MESH_POINT";
a1922f93
JM
4845 case NL80211_IFTYPE_P2P_CLIENT:
4846 return "P2P_CLIENT";
4847 case NL80211_IFTYPE_P2P_GO:
4848 return "P2P_GO";
7aad838c
NS
4849 case NL80211_IFTYPE_P2P_DEVICE:
4850 return "P2P_DEVICE";
a1922f93
JM
4851 default:
4852 return "unknown";
4853 }
4854}
4855
4856
a35187e7
KH
4857static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4858 const char *ifname,
4859 enum nl80211_iftype iftype,
d6dcfcda
DS
4860 const u8 *addr, int wds,
4861 int (*handler)(struct nl_msg *, void *),
4862 void *arg)
0915d02c 4863{
8970bae8 4864 struct nl_msg *msg;
0915d02c
JM
4865 int ifidx;
4866 int ret = -ENOBUFS;
4867
a1922f93
JM
4868 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4869 iftype, nl80211_iftype_str(iftype));
4870
56f77852
JM
4871 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4872 if (!msg ||
a862e4a3
JM
4873 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4874 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4875 goto fail;
0915d02c
JM
4876
4877 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 4878 struct nlattr *flags;
0915d02c 4879
8970bae8 4880 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM
4881 if (!flags ||
4882 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4883 goto fail;
0915d02c 4884
8970bae8 4885 nla_nest_end(msg, flags);
fbbfcbac 4886 } else if (wds) {
a862e4a3
JM
4887 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4888 goto fail;
0915d02c
JM
4889 }
4890
52f5877a
IP
4891 /*
4892 * Tell cfg80211 that the interface belongs to the socket that created
4893 * it, and the interface should be deleted when the socket is closed.
4894 */
a862e4a3
JM
4895 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4896 goto fail;
52f5877a 4897
d6dcfcda 4898 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 4899 msg = NULL;
0915d02c 4900 if (ret) {
a862e4a3 4901 fail:
5883168a 4902 nlmsg_free(msg);
a35187e7
KH
4903 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4904 ifname, ret, strerror(-ret));
0915d02c
JM
4905 return ret;
4906 }
4907
f632e483 4908 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 4909 return 0;
6bae92e0 4910
0915d02c 4911 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM
4912 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4913 ifname, ifidx);
0915d02c
JM
4914
4915 if (ifidx <= 0)
4916 return -1;
4917
147848ec
JM
4918 /*
4919 * Some virtual interfaces need to process EAPOL packets and events on
4920 * the parent interface. This is used mainly with hostapd.
4921 */
4922 if (drv->hostapd ||
4923 iftype == NL80211_IFTYPE_AP_VLAN ||
4924 iftype == NL80211_IFTYPE_WDS ||
4925 iftype == NL80211_IFTYPE_MONITOR) {
4926 /* start listening for EAPOL on this interface */
732b1d20 4927 add_ifidx(drv, ifidx, IFIDX_ANY);
147848ec 4928 }
2135f224 4929
7bfc47c3 4930 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 4931 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM
4932 nl80211_remove_iface(drv, ifidx);
4933 return -1;
2135f224 4934 }
2135f224 4935
0915d02c
JM
4936 return ifidx;
4937}
22a7c9d7
JM
4938
4939
f3407c66
JM
4940int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4941 const char *ifname, enum nl80211_iftype iftype,
4942 const u8 *addr, int wds,
4943 int (*handler)(struct nl_msg *, void *),
4944 void *arg, int use_existing)
a35187e7
KH
4945{
4946 int ret;
4947
d6dcfcda
DS
4948 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4949 arg);
a35187e7 4950
ffbf1eaa 4951 /* if error occurred and interface exists already */
a35187e7 4952 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM
4953 if (use_existing) {
4954 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4955 ifname);
6997f8ba
JM
4956 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4957 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4958 addr) < 0 &&
4959 (linux_set_iface_flags(drv->global->ioctl_sock,
4960 ifname, 0) < 0 ||
4961 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4962 addr) < 0 ||
4963 linux_set_iface_flags(drv->global->ioctl_sock,
4964 ifname, 1) < 0))
4965 return -1;
2aec4f3c
JM
4966 return -ENFILE;
4967 }
a35187e7
KH
4968 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4969
4970 /* Try to remove the interface that was already there. */
4971 nl80211_remove_iface(drv, if_nametoindex(ifname));
4972
4973 /* Try to create the interface again */
fbbfcbac 4974 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 4975 wds, handler, arg);
a35187e7
KH
4976 }
4977
3e208481
JM
4978 if (ret >= 0 && is_p2p_net_interface(iftype)) {
4979 wpa_printf(MSG_DEBUG,
4980 "nl80211: Interface %s created for P2P - disable 11b rates",
4981 ifname);
4e5cb1a3 4982 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 4983 }
4e5cb1a3 4984
a35187e7
KH
4985 return ret;
4986}
0915d02c 4987
2135f224 4988
3fd1cefb
JB
4989static int nl80211_setup_ap(struct i802_bss *bss)
4990{
4991 struct wpa_driver_nl80211_data *drv = bss->drv;
4992
748c0ac0
JM
4993 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4994 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 4995
a11241fa
JB
4996 /*
4997 * Disable Probe Request reporting unless we need it in this way for
4998 * devices that include the AP SME, in the other case (unless using
4999 * monitor iface) we'll get it through the nl_mgmt socket instead.
5000 */
5001 if (!drv->device_ap_sme)
5002 wpa_driver_nl80211_probe_req_report(bss, 0);
5003
5004 if (!drv->device_ap_sme && !drv->use_monitor)
5005 if (nl80211_mgmt_subscribe_ap(bss))
5006 return -1;
5007
a6cc0602
JM
5008 if (drv->device_ap_sme && !drv->use_monitor)
5009 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
f4830bed
RM
5010 wpa_printf(MSG_DEBUG,
5011 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
a6cc0602 5012
a11241fa 5013 if (!drv->device_ap_sme && drv->use_monitor &&
ea19b39f
RM
5014 nl80211_create_monitor_interface(drv) &&
5015 !drv->device_ap_sme)
3fd1cefb
JB
5016 return -1;
5017
5018 if (drv->device_ap_sme &&
5019 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
5020 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
5021 "Probe Request frame reporting in AP mode");
5022 /* Try to survive without this */
5023 }
5024
5025 return 0;
5026}
5027
5028
5029static void nl80211_teardown_ap(struct i802_bss *bss)
5030{
5031 struct wpa_driver_nl80211_data *drv = bss->drv;
5032
748c0ac0
JM
5033 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
5034 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 5035 if (drv->device_ap_sme) {
3fd1cefb 5036 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM
5037 if (!drv->use_monitor)
5038 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
5039 } else if (drv->use_monitor)
3fd1cefb 5040 nl80211_remove_monitor_interface(drv);
a11241fa 5041 else
36488c05 5042 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 5043
a70cd0db 5044 nl80211_put_wiphy_data_ap(bss);
3fd1cefb
JB
5045 bss->beacon_set = 0;
5046}
5047
5048
f10bfc9a
JM
5049static int nl80211_send_eapol_data(struct i802_bss *bss,
5050 const u8 *addr, const u8 *data,
d12dab4c 5051 size_t data_len)
f10bfc9a 5052{
d12dab4c
JB
5053 struct sockaddr_ll ll;
5054 int ret;
5055
5056 if (bss->drv->eapol_tx_sock < 0) {
5057 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM
5058 return -1;
5059 }
5060
d12dab4c
JB
5061 os_memset(&ll, 0, sizeof(ll));
5062 ll.sll_family = AF_PACKET;
5063 ll.sll_ifindex = bss->ifindex;
5064 ll.sll_protocol = htons(ETH_P_PAE);
5065 ll.sll_halen = ETH_ALEN;
5066 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
5067 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
5068 (struct sockaddr *) &ll, sizeof(ll));
5069 if (ret < 0)
5070 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
5071 strerror(errno));
5072
5073 return ret;
f10bfc9a 5074}
5fb1a232 5075
f10bfc9a 5076
db149ac9
JM
5077static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
5078
5079static int wpa_driver_nl80211_hapd_send_eapol(
5080 void *priv, const u8 *addr, const u8 *data,
4378fc14 5081 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 5082{
a2e40bb6
FF
5083 struct i802_bss *bss = priv;
5084 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM
5085 struct ieee80211_hdr *hdr;
5086 size_t len;
5087 u8 *pos;
5088 int res;
4378fc14 5089 int qos = flags & WPA_STA_WMM;
db149ac9 5090
a11241fa 5091 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 5092 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 5093
db149ac9
JM
5094 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
5095 data_len;
5096 hdr = os_zalloc(len);
5097 if (hdr == NULL) {
7ac3616d
JM
5098 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
5099 (unsigned long) len);
db149ac9
JM
5100 return -1;
5101 }
5102
5103 hdr->frame_control =
5104 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
5105 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
5106 if (encrypt)
5107 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM
5108 if (qos) {
5109 hdr->frame_control |=
5110 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
5111 }
db149ac9
JM
5112
5113 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
5114 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
5115 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
5116 pos = (u8 *) (hdr + 1);
5117
db149ac9 5118 if (qos) {
92d521d8
FF
5119 /* Set highest priority in QoS header */
5120 pos[0] = 7;
db149ac9
JM
5121 pos[1] = 0;
5122 pos += 2;
5123 }
db149ac9
JM
5124
5125 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
5126 pos += sizeof(rfc1042_header);
5127 WPA_PUT_BE16(pos, ETH_P_PAE);
5128 pos += 2;
5129 memcpy(pos, data, data_len);
5130
55231068 5131 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
2d3943ce 5132 0, 0, 0, 0, NULL, 0);
db149ac9
JM
5133 if (res < 0) {
5134 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
5135 "failed: %d (%s)",
5136 (unsigned long) len, errno, strerror(errno));
5137 }
7bf12757 5138 os_free(hdr);
db149ac9
JM
5139
5140 return res;
5141}
5142
a8d6ffa4 5143
3234cba4 5144static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
f97e3ce4
JM
5145 unsigned int total_flags,
5146 unsigned int flags_or,
5147 unsigned int flags_and)
a8d6ffa4 5148{
a2e40bb6 5149 struct i802_bss *bss = priv;
8970bae8
JB
5150 struct nl_msg *msg;
5151 struct nlattr *flags;
7e76ee9c 5152 struct nl80211_sta_flag_update upd;
a8d6ffa4 5153
0cd9846c
JM
5154 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
5155 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
5156 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
5157 !!(total_flags & WPA_STA_AUTHORIZED));
5158
13f83980 5159 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM
5160 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
5161 goto fail;
a8d6ffa4 5162
7e76ee9c
JM
5163 /*
5164 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
5165 * can be removed eventually.
5166 */
8970bae8 5167 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM
5168 if (!flags ||
5169 ((total_flags & WPA_STA_AUTHORIZED) &&
5170 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
5171 ((total_flags & WPA_STA_WMM) &&
5172 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
5173 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
5174 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
5175 ((total_flags & WPA_STA_MFP) &&
5176 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
5177 ((total_flags & WPA_STA_TDLS_PEER) &&
5178 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
5179 goto fail;
45b722f1 5180
8970bae8 5181 nla_nest_end(msg, flags);
a8d6ffa4 5182
7e76ee9c
JM
5183 os_memset(&upd, 0, sizeof(upd));
5184 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
5185 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM
5186 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
5187 goto fail;
7e76ee9c 5188
13f83980 5189 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 5190fail:
5883168a 5191 nlmsg_free(msg);
a8d6ffa4
JM
5192 return -ENOBUFS;
5193}
5194
0915d02c 5195
6720b948
THJ
5196static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr,
5197 unsigned int weight)
5198{
5199 struct i802_bss *bss = priv;
5200 struct nl_msg *msg;
5201
5202 wpa_printf(MSG_DEBUG,
5203 "nl80211: Set STA airtime weight - ifname=%s addr=" MACSTR
5204 " weight=%u", bss->ifname, MAC2STR(addr), weight);
5205
5206 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5207 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5208 nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight))
5209 goto fail;
5210
5211 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5212fail:
5213 nlmsg_free(msg);
5214 return -ENOBUFS;
5215}
5216
5217
1581b38b
JM
5218static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
5219 struct wpa_driver_associate_params *params)
5220{
708bc8e0 5221 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP
5222
5223 if (params->p2p) {
046b26a2
JM
5224 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
5225 "group (GO)");
b1f625e0
EP
5226 nlmode = NL80211_IFTYPE_P2P_GO;
5227 } else
5228 nlmode = NL80211_IFTYPE_AP;
5229
708bc8e0 5230 old_mode = drv->nlmode;
834ee56f 5231 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM
5232 nl80211_remove_monitor_interface(drv);
5233 return -1;
5234 }
5235
6e9023ea
JM
5236 if (params->freq.freq &&
5237 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 5238 if (old_mode != nlmode)
834ee56f 5239 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 5240 nl80211_remove_monitor_interface(drv);
1581b38b 5241 return -1;
0915d02c 5242 }
1581b38b 5243
1581b38b
JM
5244 return 0;
5245}
1581b38b
JM
5246
5247
666e508c
JM
5248static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
5249 int reset_mode)
5cc4d64b
JM
5250{
5251 struct nl_msg *msg;
9725b784 5252 int ret;
a862e4a3 5253
9725b784 5254 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 5255 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM
5256 if (ret) {
5257 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
5258 "(%s)", ret, strerror(-ret));
9725b784
JM
5259 } else {
5260 wpa_printf(MSG_DEBUG,
5261 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM
5262 }
5263
666e508c
JM
5264 if (reset_mode &&
5265 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM
5266 NL80211_IFTYPE_STATION)) {
5267 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5268 "station mode");
5269 }
5270
5cc4d64b
JM
5271 return ret;
5272}
5273
5274
95ff3069
JD
5275static int nl80211_ht_vht_overrides(struct nl_msg *msg,
5276 struct wpa_driver_associate_params *params)
5277{
5278 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
5279 return -1;
5280
5281 if (params->htcaps && params->htcaps_mask) {
5282 int sz = sizeof(struct ieee80211_ht_capabilities);
5283 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
5284 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
5285 params->htcaps_mask, sz);
5286 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
5287 params->htcaps) ||
5288 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
5289 params->htcaps_mask))
5290 return -1;
5291 }
5292
5293#ifdef CONFIG_VHT_OVERRIDES
5294 if (params->disable_vht) {
5295 wpa_printf(MSG_DEBUG, " * VHT disabled");
5296 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
5297 return -1;
5298 }
5299
5300 if (params->vhtcaps && params->vhtcaps_mask) {
5301 int sz = sizeof(struct ieee80211_vht_capabilities);
5302 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
5303 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
5304 params->vhtcaps_mask, sz);
5305 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
5306 params->vhtcaps) ||
5307 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
5308 params->vhtcaps_mask))
5309 return -1;
5310 }
5311#endif /* CONFIG_VHT_OVERRIDES */
5312
5313 return 0;
5314}
5315
5316
5cc4d64b
JM
5317static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
5318 struct wpa_driver_associate_params *params)
5319{
5320 struct nl_msg *msg;
5321 int ret = -1;
5322 int count = 0;
5323
5324 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
5325
4ec68377 5326 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM
5327 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
5328 "IBSS mode");
5329 return -1;
5330 }
5331
5332retry:
9725b784 5333 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM
5334 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
5335 goto fail;
5cc4d64b 5336
21cd8f83
JM
5337 wpa_printf(MSG_DEBUG, " * SSID=%s",
5338 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM
5339 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5340 goto fail;
5cc4d64b
JM
5341 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5342 drv->ssid_len = params->ssid_len;
5343
85e1fad8
JM
5344 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
5345 nl80211_put_beacon_int(msg, params->beacon_int))
a862e4a3 5346 goto fail;
5cc4d64b
JM
5347
5348 ret = nl80211_set_conn_keys(params, msg);
5349 if (ret)
a862e4a3 5350 goto fail;
5cc4d64b 5351
913e3cf7
NC
5352 if (params->bssid && params->fixed_bssid) {
5353 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
5354 MAC2STR(params->bssid));
a862e4a3
JM
5355 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5356 goto fail;
913e3cf7
NC
5357 }
5358
4d9e6fba
JD
5359 if (params->fixed_freq) {
5360 wpa_printf(MSG_DEBUG, " * fixed_freq");
5361 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
5362 goto fail;
5363 }
5364
4848a38d
JM
5365 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5366 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5367 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5368 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 5369 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM
5370 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5371 goto fail;
e640888c
AQ
5372 }
5373
a95795ad
JM
5374 if (params->wpa_ie) {
5375 wpa_hexdump(MSG_DEBUG,
5376 " * Extra IEs for Beacon/Probe Response frames",
5377 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM
5378 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
5379 params->wpa_ie))
5380 goto fail;
a95795ad
JM
5381 }
5382
e15dcf6d
PK
5383 ret = nl80211_ht_vht_overrides(msg, params);
5384 if (ret < 0)
5385 goto fail;
95ff3069 5386
5cc4d64b
JM
5387 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5388 msg = NULL;
5389 if (ret) {
5390 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
5391 ret, strerror(-ret));
5392 count++;
5393 if (ret == -EALREADY && count == 1) {
5394 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
5395 "forced leave");
666e508c 5396 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM
5397 nlmsg_free(msg);
5398 goto retry;
5399 }
a862e4a3
JM
5400 } else {
5401 wpa_printf(MSG_DEBUG,
5402 "nl80211: Join IBSS request sent successfully");
5cc4d64b 5403 }
5cc4d64b 5404
a862e4a3 5405fail:
5cc4d64b
JM
5406 nlmsg_free(msg);
5407 return ret;
5408}
5409
5410
ad295f3b
VK
5411static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
5412 struct wpa_driver_associate_params *params,
5413 struct nl_msg *msg)
5414{
5415 if (params->fils_erp_username_len) {
5416 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username",
5417 params->fils_erp_username,
5418 params->fils_erp_username_len);
5419 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
5420 params->fils_erp_username_len,
5421 params->fils_erp_username))
5422 return -1;
5423 }
5424
5425 if (params->fils_erp_realm_len) {
5426 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm",
5427 params->fils_erp_realm,
5428 params->fils_erp_realm_len);
5429 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
5430 params->fils_erp_realm_len, params->fils_erp_realm))
5431 return -1;
5432 }
5433
5434 wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u",
5435 params->fils_erp_next_seq_num);
5436 if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
5437 params->fils_erp_next_seq_num))
5438 return -1;
5439
5440 if (params->fils_erp_rrk_len) {
5441 wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)",
5442 (unsigned long) params->fils_erp_rrk_len);
5443 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
5444 params->fils_erp_rrk_len, params->fils_erp_rrk))
5445 return -1;
5446 }
5447
5448 return 0;
5449}
5450
5451
a0bdd191
JM
5452static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
5453 struct wpa_driver_associate_params *params,
5454 struct nl_msg *msg)
cfaab580 5455{
c85dfc6f
JM
5456 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
5457 return -1;
5458
cfaab580
ZY
5459 if (params->bssid) {
5460 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5461 MAC2STR(params->bssid));
a862e4a3
JM
5462 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5463 return -1;
cfaab580 5464 }
a0bdd191 5465
7ac7fd43
DS
5466 if (params->bssid_hint) {
5467 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
5468 MAC2STR(params->bssid_hint));
a862e4a3
JM
5469 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
5470 params->bssid_hint))
5471 return -1;
7ac7fd43
DS
5472 }
5473
4ec68377
JD
5474 if (params->freq.freq) {
5475 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM
5476 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
5477 params->freq.freq))
5478 return -1;
4ec68377 5479 drv->assoc_freq = params->freq.freq;
30158a0d
SD
5480 } else
5481 drv->assoc_freq = 0;
a0bdd191 5482
7ac7fd43
DS
5483 if (params->freq_hint) {
5484 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM
5485 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
5486 params->freq_hint))
5487 return -1;
7ac7fd43
DS
5488 }
5489
1f6c0ab8
BS
5490 if (params->bg_scan_period >= 0) {
5491 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
5492 params->bg_scan_period);
a862e4a3
JM
5493 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
5494 params->bg_scan_period))
5495 return -1;
1f6c0ab8 5496 }
a0bdd191 5497
cfaab580 5498 if (params->ssid) {
21cd8f83
JM
5499 wpa_printf(MSG_DEBUG, " * SSID=%s",
5500 wpa_ssid_txt(params->ssid, params->ssid_len));
a862e4a3
JM
5501 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
5502 params->ssid))
5503 return -1;
cfaab580 5504 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 5505 return -1;
cfaab580
ZY
5506 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5507 drv->ssid_len = params->ssid_len;
5508 }
a0bdd191 5509
cfaab580 5510 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM
5511 if (params->wpa_ie &&
5512 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
5513 return -1;
cfaab580 5514
64fa840a
JM
5515 if (params->wpa_proto) {
5516 enum nl80211_wpa_versions ver = 0;
cfaab580 5517
64fa840a
JM
5518 if (params->wpa_proto & WPA_PROTO_WPA)
5519 ver |= NL80211_WPA_VERSION_1;
5520 if (params->wpa_proto & WPA_PROTO_RSN)
5521 ver |= NL80211_WPA_VERSION_2;
cfaab580 5522
64fa840a 5523 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM
5524 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5525 return -1;
cfaab580
ZY
5526 }
5527
4848a38d 5528 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM
5529 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
5530 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM
5531 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5532 cipher))
5533 return -1;
cfaab580
ZY
5534 }
5535
ae6f9272
JM
5536 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
5537 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
5538 /*
5539 * This is likely to work even though many drivers do not
5540 * advertise support for operations without GTK.
5541 */
5542 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
5543 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM
5544 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
5545 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM
5546 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
5547 return -1;
cfaab580
ZY
5548 }
5549
4848a38d
JM
5550 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5551 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5552 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
5553 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 5554 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ
5555 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
5556 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8 5557 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
005585d6
AB
5558 params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
5559 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE ||
5e3b5197 5560 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
ad295f3b 5561 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
005585d6 5562 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
ad295f3b
VK
5563 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
5564 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
5565 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
e005725a
SD
5566 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 ||
5567 params->key_mgmt_suite == WPA_KEY_MGMT_OWE ||
5568 params->key_mgmt_suite == WPA_KEY_MGMT_DPP) {
3aa24db9 5569 int mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY
5570
5571 switch (params->key_mgmt_suite) {
4848a38d 5572 case WPA_KEY_MGMT_CCKM:
3aa24db9 5573 mgmt = RSN_AUTH_KEY_MGMT_CCKM;
369c8d7b 5574 break;
4848a38d 5575 case WPA_KEY_MGMT_IEEE8021X:
3aa24db9 5576 mgmt = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
cfaab580 5577 break;
4848a38d 5578 case WPA_KEY_MGMT_FT_IEEE8021X:
3aa24db9 5579 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X;
6a1ce395 5580 break;
4848a38d 5581 case WPA_KEY_MGMT_FT_PSK:
3aa24db9 5582 mgmt = RSN_AUTH_KEY_MGMT_FT_PSK;
6a1ce395 5583 break;
8802326f 5584 case WPA_KEY_MGMT_IEEE8021X_SHA256:
3aa24db9 5585 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
8802326f
JJ
5586 break;
5587 case WPA_KEY_MGMT_PSK_SHA256:
3aa24db9 5588 mgmt = RSN_AUTH_KEY_MGMT_PSK_SHA256;
8802326f 5589 break;
163f801e 5590 case WPA_KEY_MGMT_OSEN:
3aa24db9 5591 mgmt = RSN_AUTH_KEY_MGMT_OSEN;
163f801e 5592 break;
005585d6
AB
5593 case WPA_KEY_MGMT_SAE:
5594 mgmt = RSN_AUTH_KEY_MGMT_SAE;
5595 break;
5596 case WPA_KEY_MGMT_FT_SAE:
5597 mgmt = RSN_AUTH_KEY_MGMT_FT_SAE;
5598 break;
666497c8 5599 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
3aa24db9 5600 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
666497c8 5601 break;
5e3b5197 5602 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
3aa24db9 5603 mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
5e3b5197 5604 break;
005585d6
AB
5605 case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
5606 mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
5607 break;
ad295f3b
VK
5608 case WPA_KEY_MGMT_FILS_SHA256:
5609 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA256;
5610 break;
5611 case WPA_KEY_MGMT_FILS_SHA384:
5612 mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA384;
5613 break;
5614 case WPA_KEY_MGMT_FT_FILS_SHA256:
5615 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
5616 break;
5617 case WPA_KEY_MGMT_FT_FILS_SHA384:
5618 mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
5619 break;
e005725a
SD
5620 case WPA_KEY_MGMT_OWE:
5621 mgmt = RSN_AUTH_KEY_MGMT_OWE;
5622 break;
5623 case WPA_KEY_MGMT_DPP:
5624 mgmt = RSN_AUTH_KEY_MGMT_DPP;
5625 break;
4848a38d 5626 case WPA_KEY_MGMT_PSK:
cfaab580 5627 default:
3aa24db9 5628 mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
cfaab580
ZY
5629 break;
5630 }
163f801e 5631 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM
5632 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
5633 return -1;
cfaab580
ZY
5634 }
5635
cb28bd52 5636 if (params->req_handshake_offload &&
d896874f
AS
5637 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) {
5638 wpa_printf(MSG_DEBUG, " * WANT_1X_4WAY_HS");
5639 if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS))
5640 return -1;
5641 }
5642
730c5a1d
EP
5643 /* Add PSK in case of 4-way handshake offload */
5644 if (params->psk &&
436ee2fd 5645 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) {
730c5a1d
EP
5646 wpa_hexdump_key(MSG_DEBUG, " * PSK", params->psk, 32);
5647 if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk))
5648 return -1;
5649 }
5650
a862e4a3
JM
5651 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5652 return -1;
a0bdd191 5653
e3429c0b
JB
5654 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5655 (params->pairwise_suite == WPA_CIPHER_NONE ||
5656 params->pairwise_suite == WPA_CIPHER_WEP104 ||
5657 params->pairwise_suite == WPA_CIPHER_WEP40) &&
5658 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
5659 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
5660 return -1;
5661
58162adf
AK
5662 if (params->rrm_used) {
5663 u32 drv_rrm_flags = drv->capa.rrm_flags;
b5d172e5
BL
5664 if ((!((drv_rrm_flags &
5665 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
5666 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
5667 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
a862e4a3
JM
5668 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
5669 return -1;
58162adf
AK
5670 }
5671
95ff3069 5672 if (nl80211_ht_vht_overrides(msg, params) < 0)
a862e4a3 5673 return -1;
80e8a5ee 5674
a0bdd191
JM
5675 if (params->p2p)
5676 wpa_printf(MSG_DEBUG, " * P2P group");
5677
86b5c400
LD
5678 if (params->pbss) {
5679 wpa_printf(MSG_DEBUG, " * PBSS");
5680 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5681 return -1;
5682 }
5683
1126c078 5684 drv->connect_reassoc = 0;
00c3c4ac
JM
5685 if (params->prev_bssid) {
5686 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
5687 MAC2STR(params->prev_bssid));
5688 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
5689 params->prev_bssid))
5690 return -1;
1126c078 5691 drv->connect_reassoc = 1;
00c3c4ac
JM
5692 }
5693
ad295f3b
VK
5694 if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
5695 nl80211_put_fils_connect_params(drv, params, msg) != 0)
5696 return -1;
5697
ba71cb82
SD
5698 if ((params->auth_alg & WPA_AUTH_ALG_SAE) &&
5699 (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) &&
5700 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
5701 return -1;
5702
a0bdd191 5703 return 0;
a0bdd191
JM
5704}
5705
5706
5707static int wpa_driver_nl80211_try_connect(
5708 struct wpa_driver_nl80211_data *drv,
40a68f33
SD
5709 struct wpa_driver_associate_params *params,
5710 struct nl_handle *nl_connect)
a0bdd191
JM
5711{
5712 struct nl_msg *msg;
5713 enum nl80211_auth_type type;
5714 int ret;
5715 int algs;
5716
b658547d 5717#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL
5718 if (params->req_key_mgmt_offload && params->psk &&
5719 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5720 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5721 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5722 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5723 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5724 if (ret)
5725 return ret;
5726 }
b658547d 5727#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 5728
9725b784
JM
5729 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5730 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM
5731 if (!msg)
5732 return -1;
5733
a0bdd191
JM
5734 ret = nl80211_connect_common(drv, params, msg);
5735 if (ret)
a862e4a3 5736 goto fail;
a0bdd191 5737
299d21e8
EG
5738 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5739 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5740 goto fail;
5741
5742 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL &&
5743 (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) &&
5744 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL))
5745 goto fail;
5746
a0bdd191
JM
5747 algs = 0;
5748 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5749 algs++;
5750 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5751 algs++;
5752 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5753 algs++;
64a0a75b
JM
5754 if (params->auth_alg & WPA_AUTH_ALG_FILS)
5755 algs++;
86c998d3
AM
5756 if (params->auth_alg & WPA_AUTH_ALG_FT)
5757 algs++;
a0bdd191
JM
5758 if (algs > 1) {
5759 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5760 "selection");
5761 goto skip_auth_type;
5762 }
5763
3c67e977 5764 type = get_nl_auth_type(params->auth_alg);
a0bdd191 5765 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
3c67e977
VK
5766 if (type == NL80211_AUTHTYPE_MAX ||
5767 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
a862e4a3 5768 goto fail;
a0bdd191
JM
5769
5770skip_auth_type:
cfaab580
ZY
5771 ret = nl80211_set_conn_keys(params, msg);
5772 if (ret)
a862e4a3 5773 goto fail;
cfaab580 5774
40a68f33 5775 if (nl_connect)
0fa33e05
JM
5776 ret = send_and_recv(drv->global, nl_connect, msg,
5777 NULL, (void *) -1);
40a68f33 5778 else
0fa33e05 5779 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
40a68f33 5780
cfaab580
ZY
5781 msg = NULL;
5782 if (ret) {
5783 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5784 "(%s)", ret, strerror(-ret));
a862e4a3
JM
5785 } else {
5786 wpa_printf(MSG_DEBUG,
5787 "nl80211: Connect request send successfully");
cfaab580 5788 }
cfaab580 5789
a862e4a3 5790fail:
0fa33e05 5791 nl80211_nlmsg_clear(msg);
cfaab580
ZY
5792 nlmsg_free(msg);
5793 return ret;
5794
5795}
5796
5797
a8c5b43a
CW
5798static int wpa_driver_nl80211_connect(
5799 struct wpa_driver_nl80211_data *drv,
40a68f33
SD
5800 struct wpa_driver_associate_params *params,
5801 struct nl_handle *nl_connect)
a8c5b43a 5802{
0d4e3d1d
JJ
5803 int ret;
5804
5805 /* Store the connection attempted bssid for future use */
5806 if (params->bssid)
5807 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5808 else
5809 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5810
40a68f33 5811 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW
5812 if (ret == -EALREADY) {
5813 /*
5814 * cfg80211 does not currently accept new connections if
5815 * we are already connected. As a workaround, force
5816 * disconnection and try again.
5817 */
5818 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5819 "disconnecting before reassociation "
5820 "attempt");
5821 if (wpa_driver_nl80211_disconnect(
10d32e2c 5822 drv, WLAN_REASON_PREV_AUTH_NOT_VALID, nl_connect))
a8c5b43a 5823 return -1;
40a68f33 5824 ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
a8c5b43a
CW
5825 }
5826 return ret;
5827}
5828
5829
c2a04078
JM
5830static int wpa_driver_nl80211_associate(
5831 void *priv, struct wpa_driver_associate_params *params)
5832{
a2e40bb6
FF
5833 struct i802_bss *bss = priv;
5834 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 5835 int ret = -1;
c2a04078
JM
5836 struct nl_msg *msg;
5837
4bd71954
JM
5838 nl80211_unmask_11b_rates(bss);
5839
5cc4d64b 5840 if (params->mode == IEEE80211_MODE_AP)
1581b38b 5841 return wpa_driver_nl80211_ap(drv, params);
1581b38b 5842
5cc4d64b
JM
5843 if (params->mode == IEEE80211_MODE_IBSS)
5844 return wpa_driver_nl80211_ibss(drv, params);
5845
4a867032 5846 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP
5847 enum nl80211_iftype nlmode = params->p2p ?
5848 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
40a68f33 5849 struct nl_handle *nl_connect = NULL;
b1f625e0
EP
5850
5851 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 5852 return -1;
10d32e2c 5853 if (params->auth_alg & WPA_AUTH_ALG_SAE) {
40a68f33 5854 nl_connect = bss->nl_connect;
10d32e2c
CI
5855 bss->use_nl_connect = 1;
5856 } else {
5857 bss->use_nl_connect = 0;
5858 }
5859
40a68f33 5860 return wpa_driver_nl80211_connect(drv, params, nl_connect);
4a867032 5861 }
cfaab580 5862
add9b7a4 5863 nl80211_mark_disconnected(drv);
c2a04078 5864
c2a04078
JM
5865 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
5866 drv->ifindex);
9725b784
JM
5867 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
5868 if (!msg)
5869 return -1;
c2a04078 5870
a0bdd191
JM
5871 ret = nl80211_connect_common(drv, params, msg);
5872 if (ret)
a862e4a3 5873 goto fail;
01652550 5874
299d21e8
EG
5875 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5876 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5877 goto fail;
5878
40a45727
JM
5879 if (params->fils_kek) {
5880 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
5881 (unsigned int) params->fils_kek_len);
5882 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
5883 params->fils_kek))
5884 goto fail;
5885 }
5886 if (params->fils_nonces) {
5887 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
5888 params->fils_nonces,
5889 params->fils_nonces_len);
5890 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
5891 params->fils_nonces_len, params->fils_nonces))
5892 goto fail;
5893 }
5894
c2a04078
JM
5895 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5896 msg = NULL;
5897 if (ret) {
3b7ea880
BG
5898 wpa_dbg(drv->ctx, MSG_DEBUG,
5899 "nl80211: MLME command failed (assoc): ret=%d (%s)",
5900 ret, strerror(-ret));
8856462d 5901 nl80211_dump_scan(drv);
a862e4a3
JM
5902 } else {
5903 wpa_printf(MSG_DEBUG,
5904 "nl80211: Association request send successfully");
c2a04078 5905 }
c2a04078 5906
a862e4a3 5907fail:
c2a04078
JM
5908 nlmsg_free(msg);
5909 return ret;
5910}
3f5285e8
JM
5911
5912
ad1e68e6 5913static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 5914 int ifindex, enum nl80211_iftype mode)
3f5285e8 5915{
3f5285e8 5916 struct nl_msg *msg;
ad1e68e6
JM
5917 int ret = -ENOBUFS;
5918
a1922f93
JM
5919 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
5920 ifindex, mode, nl80211_iftype_str(mode));
5921
56f77852
JM
5922 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
5923 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 5924 goto fail;
ad1e68e6
JM
5925
5926 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 5927 msg = NULL;
ad1e68e6
JM
5928 if (!ret)
5929 return 0;
a862e4a3 5930fail:
5883168a 5931 nlmsg_free(msg);
ad1e68e6
JM
5932 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
5933 " %d (%s)", ifindex, mode, ret, strerror(-ret));
5934 return ret;
5935}
5936
5937
3c5d34e3
CW
5938static int wpa_driver_nl80211_set_mode_impl(
5939 struct i802_bss *bss,
5940 enum nl80211_iftype nlmode,
5941 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 5942{
a2e40bb6 5943 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 5944 int ret = -1;
26af9dca 5945 int i;
86957e62 5946 int was_ap = is_ap_interface(drv->nlmode);
671a5039 5947 int res;
ebffdbc4 5948 int mode_switch_res;
1581b38b 5949
a5a187b0
JM
5950 if (TEST_FAIL())
5951 return -1;
5952
ebffdbc4
CW
5953 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5954 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
5955 mode_switch_res = 0;
8e12685c 5956
ebffdbc4 5957 if (mode_switch_res == 0) {
ad1e68e6 5958 drv->nlmode = nlmode;
460456f8
JM
5959 ret = 0;
5960 goto done;
ad1e68e6 5961 }
3f5285e8 5962
ebffdbc4 5963 if (mode_switch_res == -ENODEV)
671a5039
JM
5964 return -1;
5965
460456f8 5966 if (nlmode == drv->nlmode) {
c6e8e8e4
JM
5967 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
5968 "requested mode - ignore error");
460456f8
JM
5969 ret = 0;
5970 goto done; /* Already in the requested mode */
5971 }
3f5285e8 5972
3f5285e8
JM
5973 /* mac80211 doesn't allow mode changes while the device is up, so
5974 * take the device down, try to set the mode again, and bring the
5975 * device back up.
5976 */
26af9dca
JM
5977 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
5978 "interface down");
5979 for (i = 0; i < 10; i++) {
91724d6f 5980 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM
5981 if (res == -EACCES || res == -ENODEV)
5982 break;
ebffdbc4 5983 if (res != 0) {
26af9dca
JM
5984 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
5985 "interface down");
ebffdbc4
CW
5986 os_sleep(0, 100000);
5987 continue;
5988 }
3c5d34e3
CW
5989
5990 /*
5991 * Setting the mode will fail for some drivers if the phy is
5992 * on a frequency that the mode is disallowed in.
5993 */
5994 if (desired_freq_params) {
bdf5ccb2 5995 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW
5996 if (res) {
5997 wpa_printf(MSG_DEBUG,
5998 "nl80211: Failed to set frequency on interface");
5999 }
6000 }
6001
ebffdbc4
CW
6002 /* Try to set the mode again while the interface is down */
6003 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
6004 if (mode_switch_res == -EBUSY) {
6005 wpa_printf(MSG_DEBUG,
6006 "nl80211: Delaying mode set while interface going down");
6007 os_sleep(0, 100000);
6008 continue;
6009 }
6010 ret = mode_switch_res;
6011 break;
3f5285e8
JM
6012 }
6013
c6e8e8e4
JM
6014 if (!ret) {
6015 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
6016 "interface is down");
ad1e68e6 6017 drv->nlmode = nlmode;
7d9c3698 6018 drv->ignore_if_down_event = 1;
c6e8e8e4 6019 }
ad1e68e6 6020
ebffdbc4
CW
6021 /* Bring the interface back up */
6022 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
6023 if (res != 0) {
6024 wpa_printf(MSG_DEBUG,
6025 "nl80211: Failed to set interface up after switching mode");
6026 ret = -1;
6027 }
6028
460456f8 6029done:
3fd1cefb
JB
6030 if (ret) {
6031 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
6032 "from %d failed", nlmode, drv->nlmode);
6033 return ret;
6034 }
6035
3e208481
JM
6036 if (is_p2p_net_interface(nlmode)) {
6037 wpa_printf(MSG_DEBUG,
6038 "nl80211: Interface %s mode change to P2P - disable 11b rates",
6039 bss->ifname);
edb9bfba 6040 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM
6041 } else if (drv->disabled_11b_rates) {
6042 wpa_printf(MSG_DEBUG,
6043 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
6044 bss->ifname);
1d0c6fb1 6045 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 6046 }
edb9bfba 6047
3fd1cefb 6048 if (is_ap_interface(nlmode)) {
36488c05 6049 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 6050 /* Setup additional AP mode functionality if needed */
3fd1cefb 6051 if (nl80211_setup_ap(bss))
460456f8 6052 return -1;
3fd1cefb 6053 } else if (was_ap) {
460456f8 6054 /* Remove additional AP mode functionality */
3fd1cefb 6055 nl80211_teardown_ap(bss);
a11241fa 6056 } else {
36488c05 6057 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 6058 }
460456f8 6059
afb0550a
BC
6060 if (is_mesh_interface(nlmode) &&
6061 nl80211_mgmt_subscribe_mesh(bss))
6062 return -1;
6063
873d0fcf 6064 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 6065 !is_mesh_interface(nlmode) &&
a11241fa
JB
6066 nl80211_mgmt_subscribe_non_ap(bss) < 0)
6067 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
6068 "frame processing - ignore for now");
08359050 6069
3fd1cefb 6070 return 0;
3f5285e8
JM
6071}
6072
6073
f3407c66
JM
6074int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
6075 enum nl80211_iftype nlmode)
3c5d34e3
CW
6076{
6077 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
6078}
6079
6080
4ec68377
JD
6081static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
6082 struct hostapd_freq_params *freq)
3c5d34e3 6083{
3c5d34e3 6084 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 6085 freq);
3c5d34e3 6086}
65d645ce
AS
6087
6088
3f5285e8
JM
6089static int wpa_driver_nl80211_get_capa(void *priv,
6090 struct wpa_driver_capa *capa)
6091{
a2e40bb6
FF
6092 struct i802_bss *bss = priv;
6093 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 6094
3f5285e8
JM
6095 if (!drv->has_capability)
6096 return -1;
6097 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB
6098 if (drv->extended_capa && drv->extended_capa_mask) {
6099 capa->extended_capa = drv->extended_capa;
6100 capa->extended_capa_mask = drv->extended_capa_mask;
6101 capa->extended_capa_len = drv->extended_capa_len;
6102 }
851b0c55 6103
906bc4c7 6104 return 0;
3f5285e8
JM
6105}
6106
6107
6108static int wpa_driver_nl80211_set_operstate(void *priv, int state)
6109{
a2e40bb6
FF
6110 struct i802_bss *bss = priv;
6111 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 6112
90a545cc
JM
6113 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
6114 bss->ifname, drv->operstate, state,
6115 state ? "UP" : "DORMANT");
3f5285e8 6116 drv->operstate = state;
36d84860 6117 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 6118 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM
6119}
6120
01652550
JM
6121
6122static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
6123{
a2e40bb6
FF
6124 struct i802_bss *bss = priv;
6125 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM
6126 struct nl_msg *msg;
6127 struct nl80211_sta_flag_update upd;
a862e4a3 6128 int ret;
2eef5177
JM
6129
6130 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
6131 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
6132 return 0;
6133 }
01652550 6134
1ba51ec0
JM
6135 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
6136 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
6137
01652550
JM
6138 os_memset(&upd, 0, sizeof(upd));
6139 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
6140 if (authorized)
6141 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 6142
13f83980 6143 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM
6144 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
6145 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
6146 nlmsg_free(msg);
6147 return -ENOBUFS;
6148 }
01652550 6149
2eef5177 6150 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM
6151 if (!ret)
6152 return 0;
2eef5177
JM
6153 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
6154 ret, strerror(-ret));
6155 return ret;
01652550
JM
6156}
6157
3f5285e8 6158
f07ead6a
JM
6159/* Set kernel driver on given frequency (MHz) */
6160static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 6161{
f07ead6a 6162 struct i802_bss *bss = priv;
13a524a3 6163 return nl80211_set_channel(bss, freq, 0);
c5121837
JM
6164}
6165
f7b3920c 6166
c5121837
JM
6167static inline int min_int(int a, int b)
6168{
6169 if (a < b)
6170 return a;
6171 return b;
6172}
6173
6174
6175static int get_key_handler(struct nl_msg *msg, void *arg)
6176{
6177 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6178 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6179
6180 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6181 genlmsg_attrlen(gnlh, 0), NULL);
6182
6183 /*
6184 * TODO: validate the key index and mac address!
6185 * Otherwise, there's a race condition as soon as
6186 * the kernel starts sending key notifications.
6187 */
6188
6189 if (tb[NL80211_ATTR_KEY_SEQ])
6190 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
6191 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
4efade31 6192 nl80211_nlmsg_clear(msg);
c5121837
JM
6193 return NL_SKIP;
6194}
6195
6196
6197static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
6198 int idx, u8 *seq)
6199{
a2e40bb6
FF
6200 struct i802_bss *bss = priv;
6201 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM
6202 struct nl_msg *msg;
6203
95376e1a
JM
6204 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
6205 NL80211_CMD_GET_KEY);
6206 if (!msg ||
a862e4a3 6207 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 6208 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM
6209 nlmsg_free(msg);
6210 return -ENOBUFS;
6211 }
c5121837
JM
6212
6213 memset(seq, 0, 6);
6214
6215 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM
6216}
6217
6218
c5121837
JM
6219static int i802_set_rts(void *priv, int rts)
6220{
a2e40bb6
FF
6221 struct i802_bss *bss = priv;
6222 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6223 struct nl_msg *msg;
a862e4a3 6224 int ret;
ad649451 6225 u32 val;
c5121837 6226
bf0021ed 6227 if (rts >= 2347 || rts == -1)
ad649451
JM
6228 val = (u32) -1;
6229 else
6230 val = rts;
c5121837 6231
9725b784 6232 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM
6233 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
6234 nlmsg_free(msg);
6235 return -ENOBUFS;
6236 }
ad649451
JM
6237
6238 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6239 if (!ret)
6240 return 0;
ad649451
JM
6241 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
6242 "%d (%s)", rts, ret, strerror(-ret));
6243 return ret;
c5121837
JM
6244}
6245
6246
6247static int i802_set_frag(void *priv, int frag)
6248{
a2e40bb6
FF
6249 struct i802_bss *bss = priv;
6250 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 6251 struct nl_msg *msg;
a862e4a3 6252 int ret;
ad649451 6253 u32 val;
c5121837 6254
bf0021ed 6255 if (frag >= 2346 || frag == -1)
ad649451
JM
6256 val = (u32) -1;
6257 else
6258 val = frag;
c5121837 6259
9725b784 6260 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM
6261 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
6262 nlmsg_free(msg);
6263 return -ENOBUFS;
6264 }
ad649451
JM
6265
6266 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6267 if (!ret)
6268 return 0;
ad649451
JM
6269 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
6270 "%d: %d (%s)", frag, ret, strerror(-ret));
6271 return ret;
c5121837
JM
6272}
6273
6274
c5121837
JM
6275static int i802_flush(void *priv)
6276{
a2e40bb6 6277 struct i802_bss *bss = priv;
c5121837 6278 struct nl_msg *msg;
82554b10 6279 int res;
c5121837 6280
83e7bb0e
JM
6281 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
6282 bss->ifname);
c5121837
JM
6283
6284 /*
6285 * XXX: FIX! this needs to flush all VLANs too
6286 */
13f83980
JM
6287 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
6288 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM
6289 if (res) {
6290 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
6291 "(%s)", res, strerror(-res));
6292 }
6293 return res;
c5121837
JM
6294}
6295
6296
1d6f6385
THJ
6297static void get_sta_tid_stats(struct hostap_sta_driver_data *data,
6298 struct nlattr *attr)
6299{
6300 struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr;
6301 struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1];
6302 static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = {
6303 [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 },
6304 [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 },
6305 };
6306 int rem;
6307
6308 nla_for_each_nested(tidattr, attr, rem) {
6309 if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX,
6310 tidattr, NULL) != 0 ||
6311 !tid_stats[NL80211_TID_STATS_TXQ_STATS] ||
6312 nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX,
6313 tid_stats[NL80211_TID_STATS_TXQ_STATS],
6314 txq_stats_policy) != 0)
6315 continue;
6316 /* sum the backlogs over all TIDs for station */
6317 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES])
6318 data->backlog_bytes += nla_get_u32(
6319 txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]);
6320 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS])
6321 data->backlog_bytes += nla_get_u32(
6322 txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]);
6323 }
6324}
6325
6326
c5121837
JM
6327static int get_sta_handler(struct nl_msg *msg, void *arg)
6328{
6329 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6330 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6331 struct hostap_sta_driver_data *data = arg;
6332 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
6333 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
6334 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
6335 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
6336 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
6337 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
6338 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 6339 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
43022abd
NL
6340 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
6341 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
3567641e 6342 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
72123a84 6343 [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 },
58d4c236
THJ
6344 [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
6345 [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 },
3567641e 6346 };
6347 struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
6348 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
6349 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
6350 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
6351 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
6352 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
6353 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
6354 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
c5121837
JM
6355 };
6356
6357 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6358 genlmsg_attrlen(gnlh, 0), NULL);
6359
6360 /*
6361 * TODO: validate the interface and mac address!
6362 * Otherwise, there's a race condition as soon as
6363 * the kernel starts sending station notifications.
6364 */
6365
6366 if (!tb[NL80211_ATTR_STA_INFO]) {
6367 wpa_printf(MSG_DEBUG, "sta stats missing!");
6368 return NL_SKIP;
6369 }
6370 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
6371 tb[NL80211_ATTR_STA_INFO],
6372 stats_policy)) {
6373 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
6374 return NL_SKIP;
6375 }
6376
6377 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
6378 data->inactive_msec =
6379 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
43022abd 6380 /* For backwards compatibility, fetch the 32-bit counters first. */
c5121837
JM
6381 if (stats[NL80211_STA_INFO_RX_BYTES])
6382 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
6383 if (stats[NL80211_STA_INFO_TX_BYTES])
6384 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
43022abd
NL
6385 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
6386 stats[NL80211_STA_INFO_TX_BYTES64]) {
6387 /*
6388 * The driver supports 64-bit counters, so use them to override
6389 * the 32-bit values.
6390 */
6391 data->rx_bytes =
6392 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
6393 data->tx_bytes =
6394 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
6395 data->bytes_64bit = 1;
6396 }
c5121837
JM
6397 if (stats[NL80211_STA_INFO_RX_PACKETS])
6398 data->rx_packets =
6399 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
6400 if (stats[NL80211_STA_INFO_TX_PACKETS])
6401 data->tx_packets =
6402 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
58d4c236
THJ
6403 if (stats[NL80211_STA_INFO_RX_DURATION])
6404 data->rx_airtime =
6405 nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]);
6406 if (stats[NL80211_STA_INFO_TX_DURATION])
6407 data->tx_airtime =
6408 nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]);
dc7785f8
YZ
6409 if (stats[NL80211_STA_INFO_TX_FAILED])
6410 data->tx_retry_failed =
6411 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
3567641e 6412 if (stats[NL80211_STA_INFO_SIGNAL])
6413 data->signal = nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
72123a84
BP
6414 if (stats[NL80211_STA_INFO_ACK_SIGNAL]) {
6415 data->last_ack_rssi =
6416 nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]);
6417 data->flags |= STA_DRV_DATA_LAST_ACK_RSSI;
6418 }
3567641e 6419
6420 if (stats[NL80211_STA_INFO_TX_BITRATE] &&
6421 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6422 stats[NL80211_STA_INFO_TX_BITRATE],
6423 rate_policy) == 0) {
6424 if (rate[NL80211_RATE_INFO_BITRATE32])
6425 data->current_tx_rate =
6426 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6427 else if (rate[NL80211_RATE_INFO_BITRATE])
6428 data->current_tx_rate =
6429 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6430
6431 if (rate[NL80211_RATE_INFO_MCS]) {
6432 data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6433 data->flags |= STA_DRV_DATA_TX_MCS;
6434 }
6435 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6436 data->tx_vhtmcs =
6437 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6438 data->flags |= STA_DRV_DATA_TX_VHT_MCS;
6439 }
6440 if (rate[NL80211_RATE_INFO_SHORT_GI])
6441 data->flags |= STA_DRV_DATA_TX_SHORT_GI;
6442 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6443 data->tx_vht_nss =
6444 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6445 data->flags |= STA_DRV_DATA_TX_VHT_NSS;
6446 }
6447 }
6448
6449 if (stats[NL80211_STA_INFO_RX_BITRATE] &&
6450 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
6451 stats[NL80211_STA_INFO_RX_BITRATE],
6452 rate_policy) == 0) {
6453 if (rate[NL80211_RATE_INFO_BITRATE32])
6454 data->current_rx_rate =
6455 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
6456 else if (rate[NL80211_RATE_INFO_BITRATE])
6457 data->current_rx_rate =
6458 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
6459
6460 if (rate[NL80211_RATE_INFO_MCS]) {
6461 data->rx_mcs =
6462 nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
6463 data->flags |= STA_DRV_DATA_RX_MCS;
6464 }
6465 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
6466 data->rx_vhtmcs =
6467 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
6468 data->flags |= STA_DRV_DATA_RX_VHT_MCS;
6469 }
6470 if (rate[NL80211_RATE_INFO_SHORT_GI])
6471 data->flags |= STA_DRV_DATA_RX_SHORT_GI;
6472 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
6473 data->rx_vht_nss =
6474 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
6475 data->flags |= STA_DRV_DATA_RX_VHT_NSS;
6476 }
6477 }
c5121837 6478
1d6f6385
THJ
6479 if (stats[NL80211_STA_INFO_TID_STATS])
6480 get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]);
6481
c5121837
JM
6482 return NL_SKIP;
6483}
6484
9ebce9c5
JM
6485static int i802_read_sta_data(struct i802_bss *bss,
6486 struct hostap_sta_driver_data *data,
c5121837
JM
6487 const u8 *addr)
6488{
c5121837
JM
6489 struct nl_msg *msg;
6490
13f83980
JM
6491 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
6492 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM
6493 nlmsg_free(msg);
6494 return -ENOBUFS;
6495 }
c5121837 6496
13f83980 6497 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM
6498}
6499
6500
c5121837
JM
6501static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
6502 int cw_min, int cw_max, int burst_time)
6503{
a2e40bb6
FF
6504 struct i802_bss *bss = priv;
6505 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM
6506 struct nl_msg *msg;
6507 struct nlattr *txq, *params;
bd512469 6508 int res;
c5121837 6509
13f83980 6510 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM
6511 if (!msg)
6512 return -1;
6513
c5121837
JM
6514 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
6515 if (!txq)
a862e4a3 6516 goto fail;
c5121837
JM
6517
6518 /* We are only sending parameters for a single TXQ at a time */
6519 params = nla_nest_start(msg, 1);
6520 if (!params)
a862e4a3 6521 goto fail;
c5121837 6522
7e3c1781
JM
6523 switch (queue) {
6524 case 0:
a862e4a3
JM
6525 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
6526 goto fail;
7e3c1781
JM
6527 break;
6528 case 1:
a862e4a3
JM
6529 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
6530 goto fail;
7e3c1781
JM
6531 break;
6532 case 2:
a862e4a3
JM
6533 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
6534 goto fail;
7e3c1781
JM
6535 break;
6536 case 3:
a862e4a3
JM
6537 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
6538 goto fail;
7e3c1781
JM
6539 break;
6540 }
c5121837
JM
6541 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
6542 * 32 usec, so need to convert the value here. */
a862e4a3
JM
6543 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
6544 (burst_time * 100 + 16) / 32) ||
6545 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
6546 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
6547 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
6548 goto fail;
c5121837
JM
6549
6550 nla_nest_end(msg, params);
6551
6552 nla_nest_end(msg, txq);
6553
bd512469
JM
6554 res = send_and_recv_msgs(drv, msg, NULL, NULL);
6555 wpa_printf(MSG_DEBUG,
6556 "nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
6557 queue, aifs, cw_min, cw_max, burst_time, res);
6558 if (res == 0)
c5121837 6559 return 0;
9e088e74 6560 msg = NULL;
a862e4a3 6561fail:
9e088e74 6562 nlmsg_free(msg);
c5121837
JM
6563 return -1;
6564}
6565
6566
9ebce9c5 6567static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM
6568 const char *ifname, int vlan_id)
6569{
a2e40bb6 6570 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6571 struct nl_msg *msg;
a862e4a3 6572 int ret;
c5121837 6573
bbc706a3
JM
6574 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
6575 ", ifname=%s[%d], vlan_id=%d)",
6576 bss->ifname, if_nametoindex(bss->ifname),
6577 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 6578 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM
6579 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6580 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
6581 nlmsg_free(msg);
6582 return -ENOBUFS;
6583 }
c5121837 6584
cd1d72c1
JM
6585 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6586 if (ret < 0) {
6587 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
6588 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
6589 MAC2STR(addr), ifname, vlan_id, ret,
6590 strerror(-ret));
6591 }
cd1d72c1 6592 return ret;
c5121837
JM
6593}
6594
fbbfcbac 6595
c5121837
JM
6596static int i802_get_inact_sec(void *priv, const u8 *addr)
6597{
6598 struct hostap_sta_driver_data data;
6599 int ret;
6600
7824bf77 6601 os_memset(&data, 0, sizeof(data));
c5121837
JM
6602 data.inactive_msec = (unsigned long) -1;
6603 ret = i802_read_sta_data(priv, &data, addr);
b9749bac
MH
6604 if (ret == -ENOENT)
6605 return -ENOENT;
c5121837
JM
6606 if (ret || data.inactive_msec == (unsigned long) -1)
6607 return -1;
6608 return data.inactive_msec / 1000;
6609}
6610
6611
6612static int i802_sta_clear_stats(void *priv, const u8 *addr)
6613{
6614#if 0
6615 /* TODO */
6616#endif
6617 return 0;
6618}
6619
6620
731723a5 6621static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6622 u16 reason)
c5121837 6623{
a2e40bb6 6624 struct i802_bss *bss = priv;
e1bd4e19 6625 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6626 struct ieee80211_mgmt mgmt;
05e5e615
DL
6627 u8 channel;
6628
6629 if (ieee80211_freq_to_chan(bss->freq, &channel) ==
6630 HOSTAPD_MODE_IEEE80211AD) {
6631 /* Deauthentication is not used in DMG/IEEE 802.11ad;
6632 * disassociate the STA instead. */
6633 return i802_sta_disassoc(priv, own_addr, addr, reason);
6634 }
c5121837 6635
0d391b03
BC
6636 if (is_mesh_interface(drv->nlmode))
6637 return -1;
6638
e1bd4e19 6639 if (drv->device_ap_sme)
59d7148a 6640 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 6641
c5121837
JM
6642 memset(&mgmt, 0, sizeof(mgmt));
6643 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6644 WLAN_FC_STYPE_DEAUTH);
6645 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM
6646 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6647 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6648 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 6649 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6650 IEEE80211_HDRLEN +
9ebce9c5 6651 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
2d3943ce 6652 0, NULL, 0);
c5121837
JM
6653}
6654
6655
731723a5 6656static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
4be17ffb 6657 u16 reason)
c5121837 6658{
a2e40bb6 6659 struct i802_bss *bss = priv;
e1bd4e19 6660 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM
6661 struct ieee80211_mgmt mgmt;
6662
0d391b03
BC
6663 if (is_mesh_interface(drv->nlmode))
6664 return -1;
6665
e1bd4e19 6666 if (drv->device_ap_sme)
59d7148a 6667 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 6668
c5121837
JM
6669 memset(&mgmt, 0, sizeof(mgmt));
6670 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6671 WLAN_FC_STYPE_DISASSOC);
6672 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM
6673 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6674 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6675 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 6676 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6677 IEEE80211_HDRLEN +
9ebce9c5 6678 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
2d3943ce 6679 0, NULL, 0);
c5121837
JM
6680}
6681
6682
9b4d9c8b
JM
6683static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
6684{
6685 char buf[200], *pos, *end;
6686 int i, res;
6687
6688 pos = buf;
6689 end = pos + sizeof(buf);
6690
6691 for (i = 0; i < drv->num_if_indices; i++) {
099224c1 6692 if (!drv->if_indices[i].ifindex)
9b4d9c8b 6693 continue;
732b1d20 6694 res = os_snprintf(pos, end - pos, " %d(%d)",
099224c1
JM
6695 drv->if_indices[i].ifindex,
6696 drv->if_indices[i].reason);
d85e1fc8 6697 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM
6698 break;
6699 pos += res;
6700 }
6701 *pos = '\0';
6702
6703 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
6704 drv->num_if_indices, buf);
6705}
6706
6707
732b1d20
MB
6708static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6709 int ifidx_reason)
f07ead6a
JM
6710{
6711 int i;
099224c1 6712 struct drv_nl80211_if_info *old;
f07ead6a 6713
732b1d20
MB
6714 wpa_printf(MSG_DEBUG,
6715 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
6716 ifidx, ifidx_reason);
6717 if (have_ifidx(drv, ifidx, ifidx_reason)) {
b36935be
MB
6718 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
6719 ifidx);
6720 return;
6721 }
f07ead6a 6722 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM
6723 if (drv->if_indices[i].ifindex == 0) {
6724 drv->if_indices[i].ifindex = ifidx;
6725 drv->if_indices[i].reason = ifidx_reason;
9b4d9c8b 6726 dump_ifidx(drv);
f07ead6a
JM
6727 return;
6728 }
6729 }
6730
6731 if (drv->if_indices != drv->default_if_indices)
6732 old = drv->if_indices;
6733 else
6734 old = NULL;
6735
067ffa26 6736 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
099224c1 6737 sizeof(*old));
f07ead6a
JM
6738 if (!drv->if_indices) {
6739 if (!old)
6740 drv->if_indices = drv->default_if_indices;
6741 else
6742 drv->if_indices = old;
6743 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
6744 "interfaces");
6745 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
6746 return;
732b1d20
MB
6747 }
6748 if (!old)
f07ead6a
JM
6749 os_memcpy(drv->if_indices, drv->default_if_indices,
6750 sizeof(drv->default_if_indices));
099224c1
JM
6751 drv->if_indices[drv->num_if_indices].ifindex = ifidx;
6752 drv->if_indices[drv->num_if_indices].reason = ifidx_reason;
f07ead6a 6753 drv->num_if_indices++;
9b4d9c8b 6754 dump_ifidx(drv);
f07ead6a
JM
6755}
6756
6757
732b1d20
MB
6758static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6759 int ifidx_reason)
f07ead6a
JM
6760{
6761 int i;
6762
6763 for (i = 0; i < drv->num_if_indices; i++) {
099224c1
JM
6764 if ((drv->if_indices[i].ifindex == ifidx ||
6765 ifidx == IFIDX_ANY) &&
6766 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6767 ifidx_reason == IFIDX_ANY)) {
099224c1
JM
6768 drv->if_indices[i].ifindex = 0;
6769 drv->if_indices[i].reason = 0;
f07ead6a
JM
6770 break;
6771 }
6772 }
9b4d9c8b 6773 dump_ifidx(drv);
f07ead6a
JM
6774}
6775
6776
732b1d20
MB
6777static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6778 int ifidx_reason)
f07ead6a
JM
6779{
6780 int i;
6781
6782 for (i = 0; i < drv->num_if_indices; i++)
099224c1
JM
6783 if (drv->if_indices[i].ifindex == ifidx &&
6784 (drv->if_indices[i].reason == ifidx_reason ||
732b1d20 6785 ifidx_reason == IFIDX_ANY))
f07ead6a
JM
6786 return 1;
6787
6788 return 0;
6789}
6790
6791
6792static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 6793 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM
6794{
6795 struct i802_bss *bss = priv;
6796 struct wpa_driver_nl80211_data *drv = bss->drv;
6797 char name[IFNAMSIZ + 1];
1952b626 6798 union wpa_event_data event;
d577f7f3
AO
6799 int ret;
6800
6801 ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
6802 if (ret >= (int) sizeof(name))
6803 wpa_printf(MSG_WARNING,
6804 "nl80211: WDS interface name was truncated");
6805 else if (ret < 0)
6806 return ret;
f07ead6a 6807
69dd2967
SM
6808 if (ifname_wds)
6809 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
6810
f07ead6a
JM
6811 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
6812 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
6813 if (val) {
6814 if (!if_nametoindex(name)) {
6815 if (nl80211_create_iface(drv, name,
6816 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM
6817 bss->addr, 1, NULL, NULL, 0) <
6818 0)
f07ead6a
JM
6819 return -1;
6820 if (bridge_ifname &&
c81eff1a
BG
6821 linux_br_add_if(drv->global->ioctl_sock,
6822 bridge_ifname, name) < 0)
f07ead6a 6823 return -1;
1952b626
BP
6824
6825 os_memset(&event, 0, sizeof(event));
6826 event.wds_sta_interface.sta_addr = addr;
6827 event.wds_sta_interface.ifname = name;
6828 event.wds_sta_interface.istatus = INTERFACE_ADDED;
8bfbb295 6829 wpa_supplicant_event(bss->ctx,
1952b626
BP
6830 EVENT_WDS_STA_INTERFACE_STATUS,
6831 &event);
f07ead6a 6832 }
75227f3a
JM
6833 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
6834 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
6835 "interface %s up", name);
6836 }
f07ead6a
JM
6837 return i802_set_sta_vlan(priv, addr, name, 0);
6838 } else {
f9052d6e
JM
6839 if (bridge_ifname &&
6840 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
6841 name) < 0)
6842 wpa_printf(MSG_INFO,
6843 "nl80211: Failed to remove interface %s from bridge %s: %s",
6844 name, bridge_ifname, strerror(errno));
c34e618d 6845
f07ead6a 6846 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25 6847 nl80211_remove_iface(drv, if_nametoindex(name));
1952b626
BP
6848 os_memset(&event, 0, sizeof(event));
6849 event.wds_sta_interface.sta_addr = addr;
6850 event.wds_sta_interface.ifname = name;
6851 event.wds_sta_interface.istatus = INTERFACE_REMOVED;
8bfbb295 6852 wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS,
1952b626 6853 &event);
d0595b25 6854 return 0;
f07ead6a
JM
6855 }
6856}
6857
6858
6859static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
6860{
6861 struct wpa_driver_nl80211_data *drv = eloop_ctx;
6862 struct sockaddr_ll lladdr;
6863 unsigned char buf[3000];
6864 int len;
6865 socklen_t fromlen = sizeof(lladdr);
6866
6867 len = recvfrom(sock, buf, sizeof(buf), 0,
6868 (struct sockaddr *)&lladdr, &fromlen);
6869 if (len < 0) {
7ac3616d
JM
6870 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
6871 strerror(errno));
f07ead6a
JM
6872 return;
6873 }
6874
732b1d20 6875 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
f07ead6a
JM
6876 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
6877}
6878
6879
94627f6c 6880static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 6881 struct i802_bss *bss,
94627f6c
JM
6882 const char *brname, const char *ifname)
6883{
6c6678e7 6884 int br_ifindex;
94627f6c
JM
6885 char in_br[IFNAMSIZ];
6886
e17a2477 6887 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 6888 br_ifindex = if_nametoindex(brname);
6c6678e7 6889 if (br_ifindex == 0) {
94627f6c
JM
6890 /*
6891 * Bridge was configured, but the bridge device does
6892 * not exist. Try to add it now.
6893 */
c81eff1a 6894 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM
6895 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
6896 "bridge interface %s: %s",
6897 brname, strerror(errno));
6898 return -1;
6899 }
e17a2477 6900 bss->added_bridge = 1;
8997613c 6901 br_ifindex = if_nametoindex(brname);
732b1d20 6902 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 6903 }
8997613c 6904 bss->br_ifindex = br_ifindex;
94627f6c
JM
6905
6906 if (linux_br_get(in_br, ifname) == 0) {
c809756f
SM
6907 if (os_strcmp(in_br, brname) == 0) {
6908 bss->already_in_bridge = 1;
94627f6c 6909 return 0; /* already in the bridge */
c809756f 6910 }
94627f6c
JM
6911
6912 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
6913 "bridge %s", ifname, in_br);
c81eff1a
BG
6914 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
6915 0) {
94627f6c
JM
6916 wpa_printf(MSG_ERROR, "nl80211: Failed to "
6917 "remove interface %s from bridge "
6918 "%s: %s",
fdbfb63e 6919 ifname, in_br, strerror(errno));
94627f6c
JM
6920 return -1;
6921 }
6922 }
6923
6924 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
6925 ifname, brname);
c81eff1a 6926 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM
6927 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
6928 "into bridge %s: %s",
6929 ifname, brname, strerror(errno));
6930 return -1;
6931 }
e17a2477 6932 bss->added_if_into_bridge = 1;
94627f6c
JM
6933
6934 return 0;
6935}
6936
6937
92f475b4
JM
6938static void *i802_init(struct hostapd_data *hapd,
6939 struct wpa_init_params *params)
c5121837
JM
6940{
6941 struct wpa_driver_nl80211_data *drv;
a2e40bb6 6942 struct i802_bss *bss;
c5121837 6943 size_t i;
cb05808c
AN
6944 char master_ifname[IFNAMSIZ];
6945 int ifindex, br_ifindex = 0;
94627f6c 6946 int br_added = 0;
c5121837 6947
0d547d5f
JM
6948 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
6949 params->global_priv, 1,
0ecff8d7 6950 params->bssid, params->driver_params);
a2e40bb6 6951 if (bss == NULL)
c5121837 6952 return NULL;
c5121837 6953
a2e40bb6 6954 drv = bss->drv;
7635bfb0 6955
cb05808c 6956 if (linux_br_get(master_ifname, params->ifname) == 0) {
94627f6c 6957 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
cb05808c
AN
6958 params->ifname, master_ifname);
6959 br_ifindex = if_nametoindex(master_ifname);
6960 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6961 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
6962 linux_master_get(master_ifname, params->ifname) == 0) {
6963 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
6964 params->ifname, master_ifname);
6965 /* start listening for EAPOL on the master interface */
732b1d20 6966 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
f2d6c17a
DL
6967
6968 /* check if master itself is under bridge */
6969 if (linux_br_get(master_ifname, master_ifname) == 0) {
6970 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
6971 master_ifname);
6972 br_ifindex = if_nametoindex(master_ifname);
6973 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6974 }
94627f6c 6975 } else {
cb05808c 6976 master_ifname[0] = '\0';
94627f6c 6977 }
cb05808c 6978
6c6678e7 6979 bss->br_ifindex = br_ifindex;
94627f6c 6980
92f475b4 6981 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM
6982 if (params->bridge[i]) {
6983 ifindex = if_nametoindex(params->bridge[i]);
6984 if (ifindex)
732b1d20 6985 add_ifidx(drv, ifindex, drv->ifindex);
94627f6c
JM
6986 if (ifindex == br_ifindex)
6987 br_added = 1;
6988 }
c5121837 6989 }
c5121837 6990
ad1e68e6 6991 /* start listening for EAPOL on the default AP interface */
732b1d20 6992 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
ad1e68e6 6993
5ef8e39f
JM
6994 if (params->num_bridge && params->bridge[0]) {
6995 if (i802_check_bridge(drv, bss, params->bridge[0],
6996 params->ifname) < 0)
6997 goto failed;
cb05808c 6998 if (os_strcmp(params->bridge[0], master_ifname) != 0)
5ef8e39f
JM
6999 br_added = 1;
7000 }
7001
7002 if (!br_added && br_ifindex &&
7003 (params->num_bridge == 0 || !params->bridge[0]))
732b1d20 7004 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 7005
97ed9a06 7006#ifdef CONFIG_LIBNL3_ROUTE
c809756f 7007 if (bss->added_if_into_bridge || bss->already_in_bridge) {
97ed9a06
KP
7008 drv->rtnl_sk = nl_socket_alloc();
7009 if (drv->rtnl_sk == NULL) {
7010 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
7011 goto failed;
7012 }
7013
7014 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
7015 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
7016 strerror(errno));
7017 goto failed;
7018 }
7019 }
7020#endif /* CONFIG_LIBNL3_ROUTE */
7021
ad1e68e6
JM
7022 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
7023 if (drv->eapol_sock < 0) {
7ac3616d
JM
7024 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
7025 strerror(errno));
bbaf0837 7026 goto failed;
ad1e68e6
JM
7027 }
7028
7029 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
7030 {
7ac3616d 7031 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 7032 goto failed;
ad1e68e6
JM
7033 }
7034
c81eff1a
BG
7035 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
7036 params->own_addr))
bbaf0837 7037 goto failed;
fee354c7 7038 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 7039
341eebee
JB
7040 memcpy(bss->addr, params->own_addr, ETH_ALEN);
7041
a2e40bb6 7042 return bss;
c5121837
JM
7043
7044failed:
7635bfb0 7045 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM
7046 return NULL;
7047}
c5121837 7048
c5121837 7049
bbaf0837
JM
7050static void i802_deinit(void *priv)
7051{
9ebce9c5
JM
7052 struct i802_bss *bss = priv;
7053 wpa_driver_nl80211_deinit(bss);
c5121837
JM
7054}
7055
c5121837 7056
22a7c9d7
JM
7057static enum nl80211_iftype wpa_driver_nl80211_if_type(
7058 enum wpa_driver_if_type type)
7059{
7060 switch (type) {
7061 case WPA_IF_STATION:
9f51b113 7062 return NL80211_IFTYPE_STATION;
75bde05d
JM
7063 case WPA_IF_P2P_CLIENT:
7064 case WPA_IF_P2P_GROUP:
9f51b113 7065 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM
7066 case WPA_IF_AP_VLAN:
7067 return NL80211_IFTYPE_AP_VLAN;
7068 case WPA_IF_AP_BSS:
7069 return NL80211_IFTYPE_AP;
9f51b113
JB
7070 case WPA_IF_P2P_GO:
7071 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS
7072 case WPA_IF_P2P_DEVICE:
7073 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH
7074 case WPA_IF_MESH:
7075 return NL80211_IFTYPE_MESH_POINT;
98342208
AK
7076 default:
7077 return -1;
22a7c9d7 7078 }
22a7c9d7
JM
7079}
7080
7081
f2ed8023
JM
7082static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
7083{
7084 struct wpa_driver_nl80211_data *drv;
7085 dl_list_for_each(drv, &global->interfaces,
7086 struct wpa_driver_nl80211_data, list) {
834ee56f 7087 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM
7088 return 1;
7089 }
7090 return 0;
7091}
7092
7093
5b78493f 7094static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM
7095{
7096 unsigned int idx;
7097
7098 if (!drv->global)
7099 return -1;
7100
834ee56f 7101 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 7102 for (idx = 0; idx < 64; idx++) {
834ee56f 7103 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM
7104 new_addr[0] ^= idx << 2;
7105 if (!nl80211_addr_in_use(drv->global, new_addr))
7106 break;
7107 }
7108 if (idx == 64)
7109 return -1;
7110
5b78493f 7111 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM
7112 MACSTR, MAC2STR(new_addr));
7113
7114 return 0;
7115}
7116
7117
f632e483
AS
7118struct wdev_info {
7119 u64 wdev_id;
7120 int wdev_id_set;
7121 u8 macaddr[ETH_ALEN];
7122};
7123
7124static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS
7125{
7126 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7127 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 7128 struct wdev_info *wi = arg;
e472e1b4
AS
7129
7130 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7131 genlmsg_attrlen(gnlh, 0), NULL);
7132 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS
7133 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
7134 wi->wdev_id_set = 1;
e472e1b4
AS
7135 }
7136
7137 if (tb[NL80211_ATTR_MAC])
f632e483 7138 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS
7139 ETH_ALEN);
7140
7141 return NL_SKIP;
7142}
7143
7144
7ab68865 7145static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 7146 const char *ifname, const u8 *addr,
f3585c8a 7147 void *bss_ctx, void **drv_priv,
e17a2477 7148 char *force_ifname, u8 *if_addr,
d8a3b66d
AS
7149 const char *bridge, int use_existing,
7150 int setup_ap)
22a7c9d7 7151{
e472e1b4 7152 enum nl80211_iftype nlmode;
a2e40bb6
FF
7153 struct i802_bss *bss = priv;
7154 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 7155 int ifidx;
2aec4f3c 7156 int added = 1;
22a7c9d7 7157
f3585c8a
JM
7158 if (addr)
7159 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS
7160 nlmode = wpa_driver_nl80211_if_type(type);
7161 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS
7162 struct wdev_info p2pdev_info;
7163
7164 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 7165 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 7166 0, nl80211_wdev_handler,
2aec4f3c 7167 &p2pdev_info, use_existing);
f632e483 7168 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS
7169 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
7170 ifname);
e472e1b4
AS
7171 return -1;
7172 }
f632e483
AS
7173
7174 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
7175 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
7176 if (!is_zero_ether_addr(p2pdev_info.macaddr))
7177 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
7178 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
7179 ifname,
7180 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS
7181 } else {
7182 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM
7183 0, NULL, NULL, use_existing);
7184 if (use_existing && ifidx == -ENFILE) {
7185 added = 0;
7186 ifidx = if_nametoindex(ifname);
7187 } else if (ifidx < 0) {
e472e1b4
AS
7188 return -1;
7189 }
22a7c9d7
JM
7190 }
7191
ab7a1add 7192 if (!addr) {
8ea8a89c 7193 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
ab7a1add
AS
7194 os_memcpy(if_addr, bss->addr, ETH_ALEN);
7195 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8ea8a89c 7196 ifname, if_addr) < 0) {
2aec4f3c
JM
7197 if (added)
7198 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS
7199 return -1;
7200 }
c55f774d
JM
7201 }
7202
c55f774d
JM
7203 if (!addr &&
7204 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8ea8a89c
JM
7205 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
7206 type == WPA_IF_STATION)) {
7207 /* Enforce unique address */
ab7a1add 7208 u8 new_addr[ETH_ALEN];
c55f774d 7209
ab7a1add 7210 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 7211 new_addr) < 0) {
ea39367c
MK
7212 if (added)
7213 nl80211_remove_iface(drv, ifidx);
c55f774d
JM
7214 return -1;
7215 }
f608081c 7216 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 7217 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8ea8a89c 7218 "for interface %s type %d", ifname, type);
5b78493f 7219 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK
7220 if (added)
7221 nl80211_remove_iface(drv, ifidx);
c55f774d
JM
7222 return -1;
7223 }
c81eff1a 7224 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 7225 new_addr) < 0) {
ea39367c
MK
7226 if (added)
7227 nl80211_remove_iface(drv, ifidx);
c55f774d
JM
7228 return -1;
7229 }
c55f774d 7230 }
f67eeb5c 7231 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 7232 }
f3585c8a 7233
d8a3b66d 7234 if (type == WPA_IF_AP_BSS && setup_ap) {
f5eb9da3
JM
7235 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
7236 if (new_bss == NULL) {
2aec4f3c
JM
7237 if (added)
7238 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM
7239 return -1;
7240 }
7241
7242 if (bridge &&
7243 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
7244 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
7245 "interface %s to a bridge %s",
7246 ifname, bridge);
2aec4f3c
JM
7247 if (added)
7248 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM
7249 os_free(new_bss);
7250 return -1;
7251 }
7252
c81eff1a
BG
7253 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
7254 {
ea39367c
MK
7255 if (added)
7256 nl80211_remove_iface(drv, ifidx);
07179987 7257 os_free(new_bss);
22a7c9d7
JM
7258 return -1;
7259 }
a2e40bb6 7260 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 7261 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF
7262 new_bss->ifindex = ifidx;
7263 new_bss->drv = drv;
834ee56f
KP
7264 new_bss->next = drv->first_bss->next;
7265 new_bss->freq = drv->first_bss->freq;
a5e1eb20 7266 new_bss->ctx = bss_ctx;
2aec4f3c 7267 new_bss->added_if = added;
834ee56f 7268 drv->first_bss->next = new_bss;
a2e40bb6
FF
7269 if (drv_priv)
7270 *drv_priv = new_bss;
cc7a48d1 7271 nl80211_init_bss(new_bss);
3dd1d890
YAP
7272
7273 /* Subscribe management frames for this WPA_IF_AP_BSS */
7274 if (nl80211_setup_ap(new_bss))
7275 return -1;
22a7c9d7 7276 }
22a7c9d7 7277
ff6a158b
JM
7278 if (drv->global)
7279 drv->global->if_add_ifindex = ifidx;
7280
d1bb7aed
JJ
7281 /*
7282 * Some virtual interfaces need to process EAPOL packets and events on
7283 * the parent interface. This is used mainly with hostapd.
7284 */
7285 if (ifidx > 0 &&
7286 (drv->hostapd ||
7287 nlmode == NL80211_IFTYPE_AP_VLAN ||
7288 nlmode == NL80211_IFTYPE_WDS ||
7289 nlmode == NL80211_IFTYPE_MONITOR))
732b1d20 7290 add_ifidx(drv, ifidx, IFIDX_ANY);
b36935be 7291
22a7c9d7
JM
7292 return 0;
7293}
7294
7295
9ebce9c5 7296static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM
7297 enum wpa_driver_if_type type,
7298 const char *ifname)
7299{
a2e40bb6 7300 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM
7301 int ifindex = if_nametoindex(ifname);
7302
2aec4f3c
JM
7303 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
7304 __func__, type, ifname, ifindex, bss->added_if);
158b090c 7305 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 7306 nl80211_remove_iface(drv, ifindex);
de884303
JM
7307 else if (ifindex > 0 && !bss->added_if) {
7308 struct wpa_driver_nl80211_data *drv2;
7309 dl_list_for_each(drv2, &drv->global->interfaces,
732b1d20
MB
7310 struct wpa_driver_nl80211_data, list) {
7311 del_ifidx(drv2, ifindex, IFIDX_ANY);
7312 del_ifidx(drv2, IFIDX_ANY, ifindex);
7313 }
de884303 7314 }
c34e618d 7315
c34e618d
FF
7316 if (type != WPA_IF_AP_BSS)
7317 return 0;
7318
e17a2477 7319 if (bss->added_if_into_bridge) {
c81eff1a
BG
7320 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
7321 bss->ifname) < 0)
e17a2477
JM
7322 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7323 "interface %s from bridge %s: %s",
7324 bss->ifname, bss->brname, strerror(errno));
7325 }
7326 if (bss->added_bridge) {
c81eff1a 7327 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM
7328 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
7329 "bridge %s: %s",
7330 bss->brname, strerror(errno));
7331 }
a2e40bb6 7332
834ee56f 7333 if (bss != drv->first_bss) {
8546ea19 7334 struct i802_bss *tbss;
a2e40bb6 7335
2aec4f3c 7336 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 7337 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM
7338 if (tbss->next == bss) {
7339 tbss->next = bss->next;
3dd1d890
YAP
7340 /* Unsubscribe management frames */
7341 nl80211_teardown_ap(bss);
cc7a48d1 7342 nl80211_destroy_bss(bss);
5c9da160
MB
7343 if (!bss->added_if)
7344 i802_set_iface_flags(bss, 0);
8546ea19
JM
7345 os_free(bss);
7346 bss = NULL;
7347 break;
7348 }
22a7c9d7 7349 }
8546ea19
JM
7350 if (bss)
7351 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
7352 "BSS %p in the list", __func__, bss);
390e489c 7353 } else {
2aec4f3c 7354 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 7355 nl80211_teardown_ap(bss);
2aec4f3c 7356 if (!bss->added_if && !drv->first_bss->next)
a70cd0db 7357 wpa_driver_nl80211_del_beacon(bss);
390e489c 7358 nl80211_destroy_bss(bss);
2aec4f3c
JM
7359 if (!bss->added_if)
7360 i802_set_iface_flags(bss, 0);
390e489c
KP
7361 if (drv->first_bss->next) {
7362 drv->first_bss = drv->first_bss->next;
7363 drv->ctx = drv->first_bss->ctx;
7364 os_free(bss);
7365 } else {
7366 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
7367 }
22a7c9d7 7368 }
22a7c9d7
JM
7369
7370 return 0;
7371}
7372
7373
55777702
JM
7374static int cookie_handler(struct nl_msg *msg, void *arg)
7375{
7376 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7377 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7378 u64 *cookie = arg;
7379 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7380 genlmsg_attrlen(gnlh, 0), NULL);
7381 if (tb[NL80211_ATTR_COOKIE])
7382 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
7383 return NL_SKIP;
7384}
7385
7386
88df0ef7 7387static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB
7388 unsigned int freq, unsigned int wait,
7389 const u8 *buf, size_t buf_len,
88df0ef7 7390 u64 *cookie_out, int no_cck, int no_ack,
2d3943ce
AO
7391 int offchanok, const u16 *csa_offs,
7392 size_t csa_offs_len)
9884f9cc 7393{
88df0ef7 7394 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB
7395 struct nl_msg *msg;
7396 u64 cookie;
7397 int ret = -1;
7398
cc2ada86 7399 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM
7400 "no_ack=%d offchanok=%d",
7401 freq, wait, no_cck, no_ack, offchanok);
c91f796f 7402 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 7403
56f77852 7404 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM
7405 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
7406 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
7407 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7408 drv->test_use_roc_tx) &&
7409 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
7410 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
7411 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
2d3943ce
AO
7412 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
7413 csa_offs_len * sizeof(u16), csa_offs)) ||
a862e4a3
JM
7414 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
7415 goto fail;
9884f9cc
JB
7416
7417 cookie = 0;
7418 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7419 msg = NULL;
7420 if (ret) {
7421 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM
7422 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
7423 freq, wait);
a862e4a3
JM
7424 } else {
7425 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
7426 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
7427 (long long unsigned int) cookie);
9884f9cc 7428
a862e4a3
JM
7429 if (cookie_out)
7430 *cookie_out = no_ack ? (u64) -1 : cookie;
759a8a3a
JM
7431
7432 if (drv->num_send_action_cookies == MAX_SEND_ACTION_COOKIES) {
7433 wpa_printf(MSG_DEBUG,
7434 "nl80211: Drop oldest pending send action cookie 0x%llx",
7435 (long long unsigned int)
7436 drv->send_action_cookies[0]);
7437 os_memmove(&drv->send_action_cookies[0],
7438 &drv->send_action_cookies[1],
7439 (MAX_SEND_ACTION_COOKIES - 1) *
7440 sizeof(u64));
7441 drv->num_send_action_cookies--;
7442 }
7443 drv->send_action_cookies[drv->num_send_action_cookies] = cookie;
7444 drv->num_send_action_cookies++;
a862e4a3 7445 }
9884f9cc 7446
a862e4a3 7447fail:
9884f9cc
JB
7448 nlmsg_free(msg);
7449 return ret;
7450}
7451
7452
9ebce9c5
JM
7453static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
7454 unsigned int freq,
190b9062 7455 unsigned int wait_time,
58f6fbe0
JM
7456 const u8 *dst, const u8 *src,
7457 const u8 *bssid,
b106173a
JM
7458 const u8 *data, size_t data_len,
7459 int no_cck)
58f6fbe0 7460{
a2e40bb6 7461 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 7462 int ret = -1;
58f6fbe0
JM
7463 u8 *buf;
7464 struct ieee80211_hdr *hdr;
58f6fbe0 7465
5dfca53f 7466 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM
7467 "freq=%u MHz wait=%d ms no_cck=%d)",
7468 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM
7469
7470 buf = os_zalloc(24 + data_len);
7471 if (buf == NULL)
7472 return ret;
7473 os_memcpy(buf + 24, data, data_len);
7474 hdr = (struct ieee80211_hdr *) buf;
7475 hdr->frame_control =
7476 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
7477 os_memcpy(hdr->addr1, dst, ETH_ALEN);
7478 os_memcpy(hdr->addr2, src, ETH_ALEN);
7479 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
7480
8331c9b3
VK
7481 if (os_memcmp(bss->addr, src, ETH_ALEN) != 0) {
7482 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
7483 MAC2STR(src));
7484 os_memcpy(bss->rand_addr, src, ETH_ALEN);
7485 } else {
7486 os_memset(bss->rand_addr, 0, ETH_ALEN);
7487 }
7488
f78f2785
JM
7489 if (is_ap_interface(drv->nlmode) &&
7490 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
7491 (int) freq == bss->freq || drv->device_ap_sme ||
7492 !drv->use_monitor))
9ebce9c5
JM
7493 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
7494 0, freq, no_cck, 1,
2d3943ce 7495 wait_time, NULL, 0);
9884f9cc 7496 else
88df0ef7 7497 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 7498 24 + data_len,
b106173a 7499 &drv->send_action_cookie,
2d3943ce 7500 no_cck, 0, 1, NULL, 0);
58f6fbe0 7501
f8bf1421 7502 os_free(buf);
58f6fbe0
JM
7503 return ret;
7504}
7505
7506
759a8a3a 7507static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
5dfca53f 7508{
5dfca53f
JB
7509 struct wpa_driver_nl80211_data *drv = bss->drv;
7510 struct nl_msg *msg;
7511 int ret;
7512
316a9e4d 7513 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
759a8a3a 7514 (long long unsigned int) cookie);
56f77852 7515 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
759a8a3a 7516 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
a862e4a3
JM
7517 nlmsg_free(msg);
7518 return;
7519 }
5dfca53f
JB
7520
7521 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB
7522 if (ret)
7523 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
7524 "(%s)", ret, strerror(-ret));
5dfca53f
JB
7525}
7526
7527
759a8a3a
JM
7528static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
7529{
7530 struct i802_bss *bss = priv;
7531 struct wpa_driver_nl80211_data *drv = bss->drv;
7532 unsigned int i;
7533 u64 cookie;
7534
7535 /* Cancel the last pending TX cookie */
7536 nl80211_frame_wait_cancel(bss, drv->send_action_cookie);
7537
7538 /*
7539 * Cancel the other pending TX cookies, if any. This is needed since
7540 * the driver may keep a list of all pending offchannel TX operations
7541 * and free up the radio only once they have expired or cancelled.
7542 */
7543 for (i = drv->num_send_action_cookies; i > 0; i--) {
7544 cookie = drv->send_action_cookies[i - 1];
7545 if (cookie != drv->send_action_cookie)
7546 nl80211_frame_wait_cancel(bss, cookie);
7547 }
7548 drv->num_send_action_cookies = 0;
7549}
7550
7551
55777702
JM
7552static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
7553 unsigned int duration)
7554{
a2e40bb6
FF
7555 struct i802_bss *bss = priv;
7556 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM
7557 struct nl_msg *msg;
7558 int ret;
7559 u64 cookie;
7560
56f77852 7561 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM
7562 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
7563 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
7564 nlmsg_free(msg);
7565 return -1;
7566 }
55777702
JM
7567
7568 cookie = 0;
7569 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
7570 if (ret == 0) {
7571 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
7572 "0x%llx for freq=%u MHz duration=%u",
7573 (long long unsigned int) cookie, freq, duration);
7574 drv->remain_on_chan_cookie = cookie;
531f0331 7575 drv->pending_remain_on_chan = 1;
55777702
JM
7576 return 0;
7577 }
7578 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM
7579 "(freq=%d duration=%u): %d (%s)",
7580 freq, duration, ret, strerror(-ret));
55777702
JM
7581 return -1;
7582}
7583
7584
7585static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
7586{
a2e40bb6
FF
7587 struct i802_bss *bss = priv;
7588 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM
7589 struct nl_msg *msg;
7590 int ret;
7591
7592 if (!drv->pending_remain_on_chan) {
7593 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
7594 "to cancel");
7595 return -1;
7596 }
7597
7598 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
7599 "0x%llx",
7600 (long long unsigned int) drv->remain_on_chan_cookie);
7601
56f77852
JM
7602 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
7603 if (!msg ||
a862e4a3
JM
7604 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
7605 nlmsg_free(msg);
7606 return -1;
7607 }
55777702
JM
7608
7609 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7610 if (ret == 0)
7611 return 0;
7612 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
7613 "%d (%s)", ret, strerror(-ret));
55777702
JM
7614 return -1;
7615}
7616
7617
9ebce9c5 7618static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 7619{
a2e40bb6 7620 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 7621
5582a5d1 7622 if (!report) {
0d891981 7623 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP
7624 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
7625 !bss->static_ap) {
0d891981
JM
7626 /*
7627 * Do not disable Probe Request reporting that was
7628 * enabled in nl80211_setup_ap().
7629 */
7630 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
7631 "Probe Request reporting nl_preq=%p while "
7632 "in AP mode", bss->nl_preq);
7633 } else if (bss->nl_preq) {
36488c05
JM
7634 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
7635 "reporting nl_preq=%p", bss->nl_preq);
40a68f33 7636 nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
5582a5d1
JB
7637 }
7638 return 0;
7639 }
7640
481234cf 7641 if (bss->nl_preq) {
5582a5d1 7642 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 7643 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB
7644 return 0;
7645 }
7646
481234cf
JM
7647 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
7648 if (bss->nl_preq == NULL)
5582a5d1 7649 return -1;
36488c05
JM
7650 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
7651 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 7652
481234cf 7653 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB
7654 (WLAN_FC_TYPE_MGMT << 2) |
7655 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB
7656 NULL, 0) < 0)
7657 goto out_err;
5582a5d1 7658
5f65e9f7
JB
7659 nl80211_register_eloop_read(&bss->nl_preq,
7660 wpa_driver_nl80211_event_receive,
40a68f33 7661 bss->nl_cb, 0);
5582a5d1 7662
504e905c 7663 return 0;
5582a5d1 7664
a92dfde8 7665 out_err:
221a59c9 7666 nl_destroy_handles(&bss->nl_preq);
5582a5d1 7667 return -1;
504e905c
JM
7668}
7669
7670
4e5cb1a3
JM
7671static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
7672 int ifindex, int disabled)
7673{
7674 struct nl_msg *msg;
7675 struct nlattr *bands, *band;
7676 int ret;
7677
3e208481
JM
7678 wpa_printf(MSG_DEBUG,
7679 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
7680 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
7681 "no NL80211_TXRATE_LEGACY constraint");
7682
95376e1a
JM
7683 msg = nl80211_ifindex_msg(drv, ifindex, 0,
7684 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM
7685 if (!msg)
7686 return -1;
7687
4e5cb1a3
JM
7688 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
7689 if (!bands)
a862e4a3 7690 goto fail;
4e5cb1a3
JM
7691
7692 /*
7693 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
7694 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
7695 * rates. All 5 GHz rates are left enabled.
7696 */
7697 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM
7698 if (!band ||
7699 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
7700 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
7701 goto fail;
4e5cb1a3
JM
7702 nla_nest_end(msg, band);
7703
7704 nla_nest_end(msg, bands);
7705
7706 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM
7707 if (ret) {
7708 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
7709 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM
7710 } else
7711 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM
7712
7713 return ret;
7714
a862e4a3 7715fail:
4e5cb1a3
JM
7716 nlmsg_free(msg);
7717 return -1;
7718}
7719
7720
af473088
JM
7721static int wpa_driver_nl80211_deinit_ap(void *priv)
7722{
a2e40bb6
FF
7723 struct i802_bss *bss = priv;
7724 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 7725 if (!is_ap_interface(drv->nlmode))
af473088 7726 return -1;
a70cd0db 7727 wpa_driver_nl80211_del_beacon(bss);
9bc5cfa3 7728 bss->beacon_set = 0;
60b13c20
IP
7729
7730 /*
7731 * If the P2P GO interface was dynamically added, then it is
7732 * possible that the interface change to station is not possible.
7733 */
7734 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
7735 return 0;
7736
b1f625e0 7737 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM
7738}
7739
7740
695c7038
SW
7741static int wpa_driver_nl80211_stop_ap(void *priv)
7742{
7743 struct i802_bss *bss = priv;
7744 struct wpa_driver_nl80211_data *drv = bss->drv;
7745 if (!is_ap_interface(drv->nlmode))
7746 return -1;
a70cd0db 7747 wpa_driver_nl80211_del_beacon(bss);
695c7038
SW
7748 bss->beacon_set = 0;
7749 return 0;
7750}
7751
7752
3c29244e
EP
7753static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
7754{
7755 struct i802_bss *bss = priv;
7756 struct wpa_driver_nl80211_data *drv = bss->drv;
7757 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
7758 return -1;
60b13c20
IP
7759
7760 /*
7761 * If the P2P Client interface was dynamically added, then it is
7762 * possible that the interface change to station is not possible.
7763 */
7764 if (bss->if_dynamic)
7765 return 0;
7766
3c29244e
EP
7767 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7768}
7769
7770
207ef3fb
JM
7771static void wpa_driver_nl80211_resume(void *priv)
7772{
a2e40bb6 7773 struct i802_bss *bss = priv;
e8dc205f 7774 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
91724d6f
AS
7775
7776 if (i802_set_iface_flags(bss, 1))
7777 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
e8dc205f
AO
7778
7779 if (is_p2p_net_interface(nlmode))
7780 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
207ef3fb
JM
7781}
7782
7783
b625473c
JM
7784static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
7785{
7786 struct i802_bss *bss = priv;
7787 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB
7788 struct nl_msg *msg;
7789 struct nlattr *cqm;
b625473c
JM
7790
7791 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
7792 "hysteresis=%d", threshold, hysteresis);
7793
13f83980 7794 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM
7795 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
7796 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
7797 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
7798 nlmsg_free(msg);
7799 return -1;
7800 }
8970bae8 7801 nla_nest_end(msg, cqm);
21270bb4 7802
a862e4a3 7803 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM
7804}
7805
7806
2cc8d8f4
AO
7807static int get_channel_width(struct nl_msg *msg, void *arg)
7808{
7809 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7810 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7811 struct wpa_signal_info *sig_change = arg;
7812
7813 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7814 genlmsg_attrlen(gnlh, 0), NULL);
7815
7816 sig_change->center_frq1 = -1;
7817 sig_change->center_frq2 = -1;
7818 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
7819
7820 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
7821 sig_change->chanwidth = convert2width(
7822 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
7823 if (tb[NL80211_ATTR_CENTER_FREQ1])
7824 sig_change->center_frq1 =
7825 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
7826 if (tb[NL80211_ATTR_CENTER_FREQ2])
7827 sig_change->center_frq2 =
7828 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
7829 }
7830
7831 return NL_SKIP;
7832}
7833
7834
7835static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
7836 struct wpa_signal_info *sig)
7837{
7838 struct nl_msg *msg;
7839
9725b784 7840 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 7841 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO
7842}
7843
7844
1c5c7273
PS
7845static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
7846{
7847 struct i802_bss *bss = priv;
7848 struct wpa_driver_nl80211_data *drv = bss->drv;
7849 int res;
7850
7851 os_memset(si, 0, sizeof(*si));
7852 res = nl80211_get_link_signal(drv, si);
1d6955e6
JM
7853 if (res) {
7854 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
7855 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
7856 return res;
7857 si->current_signal = 0;
7858 }
1c5c7273 7859
2cc8d8f4
AO
7860 res = nl80211_get_channel_width(drv, si);
7861 if (res != 0)
7862 return res;
7863
1c5c7273
PS
7864 return nl80211_get_link_noise(drv, si);
7865}
7866
7867
b91ab76e
JM
7868static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
7869 int encrypt)
7870{
7871 struct i802_bss *bss = priv;
55231068 7872 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
2d3943ce 7873 0, 0, 0, 0, NULL, 0);
b91ab76e
JM
7874}
7875
7876
c55f774d
JM
7877static int nl80211_set_param(void *priv, const char *param)
7878{
ef24ad3e
JM
7879 struct i802_bss *bss = priv;
7880 struct wpa_driver_nl80211_data *drv = bss->drv;
7881
c55f774d
JM
7882 if (param == NULL)
7883 return 0;
99a94f55 7884 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
c55f774d
JM
7885
7886#ifdef CONFIG_P2P
7887 if (os_strstr(param, "use_p2p_group_interface=1")) {
7888 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
7889 "interface");
7890 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
7891 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
7892 }
7893#endif /* CONFIG_P2P */
7894
ef24ad3e 7895 if (os_strstr(param, "use_monitor=1"))
327b01d3 7896 drv->use_monitor = 1;
327b01d3
JM
7897
7898 if (os_strstr(param, "force_connect_cmd=1")) {
327b01d3 7899 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 7900 drv->force_connect_cmd = 1;
327b01d3
JM
7901 }
7902
ef24ad3e 7903 if (os_strstr(param, "force_bss_selection=1"))
4d584d8c 7904 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
4d584d8c 7905
64abb725 7906 if (os_strstr(param, "no_offchannel_tx=1")) {
64abb725
JM
7907 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
7908 drv->test_use_roc_tx = 1;
7909 }
7910
c55f774d
JM
7911 return 0;
7912}
7913
7914
45e3fc72 7915static void * nl80211_global_init(void *ctx)
f2ed8023
JM
7916{
7917 struct nl80211_global *global;
36d84860
BG
7918 struct netlink_config *cfg;
7919
f2ed8023
JM
7920 global = os_zalloc(sizeof(*global));
7921 if (global == NULL)
7922 return NULL;
45e3fc72 7923 global->ctx = ctx;
c81eff1a 7924 global->ioctl_sock = -1;
f2ed8023 7925 dl_list_init(&global->interfaces);
ff6a158b 7926 global->if_add_ifindex = -1;
36d84860
BG
7927
7928 cfg = os_zalloc(sizeof(*cfg));
7929 if (cfg == NULL)
7930 goto err;
7931
7932 cfg->ctx = global;
7933 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
7934 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
7935 global->netlink = netlink_init(cfg);
7936 if (global->netlink == NULL) {
7937 os_free(cfg);
7938 goto err;
7939 }
7940
2a7b66f5
BG
7941 if (wpa_driver_nl80211_init_nl_global(global) < 0)
7942 goto err;
7943
c81eff1a
BG
7944 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
7945 if (global->ioctl_sock < 0) {
7ac3616d
JM
7946 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
7947 strerror(errno));
c81eff1a
BG
7948 goto err;
7949 }
7950
f2ed8023 7951 return global;
36d84860
BG
7952
7953err:
7954 nl80211_global_deinit(global);
7955 return NULL;
f2ed8023
JM
7956}
7957
7958
7959static void nl80211_global_deinit(void *priv)
7960{
7961 struct nl80211_global *global = priv;
7962 if (global == NULL)
7963 return;
7964 if (!dl_list_empty(&global->interfaces)) {
7965 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
7966 "nl80211_global_deinit",
7967 dl_list_len(&global->interfaces));
7968 }
36d84860
BG
7969
7970 if (global->netlink)
7971 netlink_deinit(global->netlink);
7972
276e2d67
BG
7973 nl_destroy_handles(&global->nl);
7974
5f65e9f7 7975 if (global->nl_event)
40a68f33 7976 nl80211_destroy_eloop_handle(&global->nl_event, 0);
d6c9aab8
JB
7977
7978 nl_cb_put(global->nl_cb);
2a7b66f5 7979
c81eff1a
BG
7980 if (global->ioctl_sock >= 0)
7981 close(global->ioctl_sock);
7982
f2ed8023
JM
7983 os_free(global);
7984}
7985
7986
6859f1cb
BG
7987static const char * nl80211_get_radio_name(void *priv)
7988{
7989 struct i802_bss *bss = priv;
7990 struct wpa_driver_nl80211_data *drv = bss->drv;
7991 return drv->phyname;
7992}
7993
7994
061a3d3d
VK
7995static int nl80211_pmkid(struct i802_bss *bss, int cmd,
7996 struct wpa_pmkid_params *params)
a6efc65d
JM
7997{
7998 struct nl_msg *msg;
0887215d 7999 const size_t PMK_MAX_LEN = 48; /* current cfg80211 limit */
a6efc65d 8000
13f83980 8001 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
061a3d3d
VK
8002 (params->pmkid &&
8003 nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
8004 (params->bssid &&
8005 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
8006 (params->ssid_len &&
8007 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
8008 (params->fils_cache_id &&
8009 nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
8010 params->fils_cache_id)) ||
c6ec9759 8011 (cmd != NL80211_CMD_DEL_PMKSA &&
8012 params->pmk_len && params->pmk_len <= PMK_MAX_LEN &&
061a3d3d 8013 nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
6110753b 8014 nl80211_nlmsg_clear(msg);
a862e4a3
JM
8015 nlmsg_free(msg);
8016 return -ENOBUFS;
8017 }
a6efc65d 8018
6110753b 8019 return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1);
a6efc65d
JM
8020}
8021
8022
6fbb5414 8023static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM
8024{
8025 struct i802_bss *bss = priv;
e7f6e6ee 8026 int ret;
061a3d3d
VK
8027
8028 if (params->bssid)
8029 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
8030 MAC2STR(params->bssid));
8031 else if (params->fils_cache_id && params->ssid_len) {
8032 wpa_printf(MSG_DEBUG,
8033 "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
8034 params->fils_cache_id[0], params->fils_cache_id[1],
8035 wpa_ssid_txt(params->ssid, params->ssid_len));
8036 }
8037
e7f6e6ee
JM
8038 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params);
8039 if (ret < 0) {
8040 wpa_printf(MSG_DEBUG,
8041 "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)",
8042 ret, strerror(-ret));
8043 }
8044
8045 return ret;
a6efc65d
JM
8046}
8047
8048
6fbb5414 8049static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
a6efc65d
JM
8050{
8051 struct i802_bss *bss = priv;
e7f6e6ee 8052 int ret;
061a3d3d
VK
8053
8054 if (params->bssid)
8055 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
8056 MAC2STR(params->bssid));
8057 else if (params->fils_cache_id && params->ssid_len) {
8058 wpa_printf(MSG_DEBUG,
8059 "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
8060 params->fils_cache_id[0], params->fils_cache_id[1],
8061 wpa_ssid_txt(params->ssid, params->ssid_len));
8062 }
8063
e7f6e6ee
JM
8064 ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params);
8065 if (ret < 0) {
8066 wpa_printf(MSG_DEBUG,
8067 "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)",
8068 ret, strerror(-ret));
8069 }
8070
8071 return ret;
a6efc65d
JM
8072}
8073
8074
8075static int nl80211_flush_pmkid(void *priv)
8076{
8077 struct i802_bss *bss = priv;
061a3d3d
VK
8078 struct nl_msg *msg;
8079
a6efc65d 8080 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
061a3d3d
VK
8081 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
8082 if (!msg)
8083 return -ENOBUFS;
8084 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM
8085}
8086
8087
0185007c
MK
8088static void clean_survey_results(struct survey_results *survey_results)
8089{
8090 struct freq_survey *survey, *tmp;
8091
8092 if (dl_list_empty(&survey_results->survey_list))
8093 return;
8094
8095 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
8096 struct freq_survey, list) {
8097 dl_list_del(&survey->list);
8098 os_free(survey);
8099 }
8100}
8101
8102
8103static void add_survey(struct nlattr **sinfo, u32 ifidx,
8104 struct dl_list *survey_list)
8105{
8106 struct freq_survey *survey;
8107
8108 survey = os_zalloc(sizeof(struct freq_survey));
8109 if (!survey)
8110 return;
8111
8112 survey->ifidx = ifidx;
8113 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8114 survey->filled = 0;
8115
8116 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
8117 survey->nf = (int8_t)
8118 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
8119 survey->filled |= SURVEY_HAS_NF;
8120 }
8121
8122 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
8123 survey->channel_time =
8124 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
8125 survey->filled |= SURVEY_HAS_CHAN_TIME;
8126 }
8127
8128 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
8129 survey->channel_time_busy =
8130 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
8131 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
8132 }
8133
8134 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
8135 survey->channel_time_rx =
8136 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
8137 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
8138 }
8139
8140 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
8141 survey->channel_time_tx =
8142 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
8143 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
8144 }
8145
8146 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)",
8147 survey->freq,
8148 survey->nf,
8149 (unsigned long int) survey->channel_time,
8150 (unsigned long int) survey->channel_time_busy,
8151 (unsigned long int) survey->channel_time_tx,
8152 (unsigned long int) survey->channel_time_rx,
8153 survey->filled);
8154
8155 dl_list_add_tail(survey_list, &survey->list);
8156}
8157
8158
8159static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
8160 unsigned int freq_filter)
8161{
8162 if (!freq_filter)
8163 return 1;
8164
8165 return freq_filter == surveyed_freq;
8166}
8167
8168
8169static int survey_handler(struct nl_msg *msg, void *arg)
8170{
8171 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8172 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8173 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
8174 struct survey_results *survey_results;
8175 u32 surveyed_freq = 0;
8176 u32 ifidx;
8177
8178 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
8179 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
8180 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
8181 };
8182
8183 survey_results = (struct survey_results *) arg;
8184
8185 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8186 genlmsg_attrlen(gnlh, 0), NULL);
8187
e28f39b7
SJ
8188 if (!tb[NL80211_ATTR_IFINDEX])
8189 return NL_SKIP;
8190
0185007c
MK
8191 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
8192
8193 if (!tb[NL80211_ATTR_SURVEY_INFO])
8194 return NL_SKIP;
8195
8196 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
8197 tb[NL80211_ATTR_SURVEY_INFO],
8198 survey_policy))
8199 return NL_SKIP;
8200
8201 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
8202 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
8203 return NL_SKIP;
8204 }
8205
8206 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
8207
8208 if (!check_survey_ok(sinfo, surveyed_freq,
8209 survey_results->freq_filter))
8210 return NL_SKIP;
8211
8212 if (survey_results->freq_filter &&
8213 survey_results->freq_filter != surveyed_freq) {
8214 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
8215 surveyed_freq);
8216 return NL_SKIP;
8217 }
8218
8219 add_survey(sinfo, ifidx, &survey_results->survey_list);
8220
8221 return NL_SKIP;
8222}
8223
8224
8225static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
8226{
8227 struct i802_bss *bss = priv;
8228 struct wpa_driver_nl80211_data *drv = bss->drv;
8229 struct nl_msg *msg;
9725b784 8230 int err;
0185007c
MK
8231 union wpa_event_data data;
8232 struct survey_results *survey_results;
8233
8234 os_memset(&data, 0, sizeof(data));
8235 survey_results = &data.survey_results;
8236
8237 dl_list_init(&survey_results->survey_list);
8238
9725b784 8239 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 8240 if (!msg)
a862e4a3 8241 return -ENOBUFS;
0185007c 8242
0185007c
MK
8243 if (freq)
8244 data.survey_results.freq_filter = freq;
8245
8246 do {
8247 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
8248 err = send_and_recv_msgs(drv, msg, survey_handler,
8249 survey_results);
8250 } while (err > 0);
8251
a862e4a3 8252 if (err)
0185007c 8253 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM
8254 else
8255 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 8256
0185007c 8257 clean_survey_results(survey_results);
0185007c
MK
8258 return err;
8259}
8260
8261
98cd3d1c
JM
8262static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
8263 const u8 *kck, size_t kck_len,
b14a210c
JB
8264 const u8 *replay_ctr)
8265{
8266 struct i802_bss *bss = priv;
8267 struct wpa_driver_nl80211_data *drv = bss->drv;
8268 struct nlattr *replay_nested;
8269 struct nl_msg *msg;
64ae2447 8270 int ret;
b14a210c 8271
64ae2447
JM
8272 if (!drv->set_rekey_offload)
8273 return;
8274
8275 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
13f83980 8276 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3 8277 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
98cd3d1c 8278 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
b6ea7642 8279 (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
a862e4a3
JM
8280 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
8281 replay_ctr)) {
bbd89bfc 8282 nl80211_nlmsg_clear(msg);
a862e4a3
JM
8283 nlmsg_free(msg);
8284 return;
8285 }
b14a210c
JB
8286
8287 nla_nest_end(msg, replay_nested);
8288
64ae2447
JM
8289 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
8290 if (ret == -EOPNOTSUPP) {
8291 wpa_printf(MSG_DEBUG,
8292 "nl80211: Driver does not support rekey offload");
8293 drv->set_rekey_offload = 0;
8294 }
b14a210c
JB
8295}
8296
8297
39718852
JB
8298static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
8299 const u8 *addr, int qos)
bcf24348 8300{
39718852
JB
8301 /* send data frame to poll STA and check whether
8302 * this frame is ACKed */
bcf24348
JB
8303 struct {
8304 struct ieee80211_hdr hdr;
8305 u16 qos_ctl;
8306 } STRUCT_PACKED nulldata;
8307 size_t size;
8308
8309 /* Send data frame to poll STA and check whether this frame is ACKed */
8310
8311 os_memset(&nulldata, 0, sizeof(nulldata));
8312
8313 if (qos) {
8314 nulldata.hdr.frame_control =
8315 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8316 WLAN_FC_STYPE_QOS_NULL);
8317 size = sizeof(nulldata);
8318 } else {
8319 nulldata.hdr.frame_control =
8320 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8321 WLAN_FC_STYPE_NULLFUNC);
8322 size = sizeof(struct ieee80211_hdr);
8323 }
8324
8325 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
8326 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
8327 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
8328 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
8329
9ebce9c5 8330 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
2d3943ce 8331 0, 0, NULL, 0) < 0)
bcf24348
JB
8332 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
8333 "send poll frame");
8334}
8335
39718852
JB
8336static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
8337 int qos)
8338{
8339 struct i802_bss *bss = priv;
8340 struct wpa_driver_nl80211_data *drv = bss->drv;
8341 struct nl_msg *msg;
323a51cc 8342 u64 cookie;
fc99fab7 8343 int ret;
39718852
JB
8344
8345 if (!drv->poll_command_supported) {
8346 nl80211_send_null_frame(bss, own_addr, addr, qos);
8347 return;
8348 }
8349
13f83980 8350 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM
8351 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8352 nlmsg_free(msg);
8353 return;
8354 }
39718852 8355
323a51cc 8356 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
fc99fab7
JM
8357 if (ret < 0) {
8358 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
8359 MACSTR " failed: ret=%d (%s)",
8360 MAC2STR(addr), ret, strerror(-ret));
323a51cc
IP
8361 } else {
8362 wpa_printf(MSG_DEBUG,
8363 "nl80211: Client probe request addr=" MACSTR
8364 " cookie=%llu", MAC2STR(addr),
8365 (long long unsigned int) cookie);
fc99fab7 8366 }
39718852
JB
8367}
8368
bcf24348 8369
29f338af
JM
8370static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
8371{
8372 struct nl_msg *msg;
1baa130b 8373 int ret;
29f338af 8374
13f83980 8375 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM
8376 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
8377 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
8378 nlmsg_free(msg);
8379 return -ENOBUFS;
8380 }
1baa130b
JM
8381
8382 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8383 if (ret < 0) {
8384 wpa_printf(MSG_DEBUG,
8385 "nl80211: Setting PS state %s failed: %d (%s)",
8386 enabled ? "enabled" : "disabled",
8387 ret, strerror(-ret));
8388 }
8389 return ret;
29f338af
JM
8390}
8391
8392
8393static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
8394 int ctwindow)
8395{
8396 struct i802_bss *bss = priv;
8397
8398 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
8399 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
8400
0de38036
JM
8401 if (opp_ps != -1 || ctwindow != -1) {
8402#ifdef ANDROID_P2P
8403 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
8404#else /* ANDROID_P2P */
29f338af 8405 return -1; /* Not yet supported */
0de38036
JM
8406#endif /* ANDROID_P2P */
8407 }
29f338af
JM
8408
8409 if (legacy_ps == -1)
8410 return 0;
8411 if (legacy_ps != 0 && legacy_ps != 1)
8412 return -1; /* Not yet supported */
8413
8414 return nl80211_set_power_save(bss, legacy_ps);
8415}
8416
8417
04e8003c
JD
8418static int nl80211_start_radar_detection(void *priv,
8419 struct hostapd_freq_params *freq)
f90e9c1c
SW
8420{
8421 struct i802_bss *bss = priv;
8422 struct wpa_driver_nl80211_data *drv = bss->drv;
8423 struct nl_msg *msg;
8424 int ret;
8425
ad9a1bfe
JC
8426 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)",
8427 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
04e8003c
JD
8428 freq->bandwidth, freq->center_freq1, freq->center_freq2);
8429
f90e9c1c
SW
8430 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
8431 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
8432 "detection");
8433 return -1;
8434 }
8435
9725b784 8436 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM
8437 nl80211_put_freq_params(msg, freq) < 0) {
8438 nlmsg_free(msg);
8439 return -1;
8440 }
f90e9c1c
SW
8441
8442 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8443 if (ret == 0)
8444 return 0;
8445 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
8446 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW
8447 return -1;
8448}
8449
03ea1786
AN
8450#ifdef CONFIG_TDLS
8451
8452static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
8453 u8 dialog_token, u16 status_code,
984dadc2
AN
8454 u32 peer_capab, int initiator, const u8 *buf,
8455 size_t len)
03ea1786
AN
8456{
8457 struct i802_bss *bss = priv;
8458 struct wpa_driver_nl80211_data *drv = bss->drv;
8459 struct nl_msg *msg;
8460
8461 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8462 return -EOPNOTSUPP;
8463
8464 if (!dst)
8465 return -EINVAL;
8466
9725b784 8467 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM
8468 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
8469 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
8470 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
8471 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
8472 goto fail;
96ecea5e
SD
8473 if (peer_capab) {
8474 /*
8475 * The internal enum tdls_peer_capability definition is
8476 * currently identical with the nl80211 enum
8477 * nl80211_tdls_peer_capability, so no conversion is needed
8478 * here.
8479 */
a862e4a3
JM
8480 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
8481 peer_capab))
8482 goto fail;
96ecea5e 8483 }
a862e4a3
JM
8484 if ((initiator &&
8485 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
8486 nla_put(msg, NL80211_ATTR_IE, len, buf))
8487 goto fail;
03ea1786
AN
8488
8489 return send_and_recv_msgs(drv, msg, NULL, NULL);
8490
a862e4a3 8491fail:
03ea1786
AN
8492 nlmsg_free(msg);
8493 return -ENOBUFS;
8494}
8495
8496
8497static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
8498{
8499 struct i802_bss *bss = priv;
8500 struct wpa_driver_nl80211_data *drv = bss->drv;
8501 struct nl_msg *msg;
8502 enum nl80211_tdls_operation nl80211_oper;
b2442f25 8503 int res;
03ea1786
AN
8504
8505 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
8506 return -EOPNOTSUPP;
8507
8508 switch (oper) {
8509 case TDLS_DISCOVERY_REQ:
8510 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
8511 break;
8512 case TDLS_SETUP:
8513 nl80211_oper = NL80211_TDLS_SETUP;
8514 break;
8515 case TDLS_TEARDOWN:
8516 nl80211_oper = NL80211_TDLS_TEARDOWN;
8517 break;
8518 case TDLS_ENABLE_LINK:
8519 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
8520 break;
8521 case TDLS_DISABLE_LINK:
8522 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
8523 break;
8524 case TDLS_ENABLE:
8525 return 0;
8526 case TDLS_DISABLE:
8527 return 0;
8528 default:
8529 return -EINVAL;
8530 }
8531
9725b784 8532 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 8533 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM
8534 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
8535 nlmsg_free(msg);
8536 return -ENOBUFS;
8537 }
03ea1786 8538
b2442f25
JM
8539 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8540 wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
8541 " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
8542 strerror(-res));
8543 return res;
03ea1786
AN
8544}
8545
72b2605f
AN
8546
8547static int
8548nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
8549 const struct hostapd_freq_params *params)
8550{
8551 struct i802_bss *bss = priv;
8552 struct wpa_driver_nl80211_data *drv = bss->drv;
8553 struct nl_msg *msg;
8554 int ret = -ENOBUFS;
8555
8556 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8557 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8558 return -EOPNOTSUPP;
8559
8560 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
8561 " oper_class=%u freq=%u",
8562 MAC2STR(addr), oper_class, params->freq);
8563 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
8564 if (!msg ||
8565 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8566 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
8567 (ret = nl80211_put_freq_params(msg, params))) {
8568 nlmsg_free(msg);
8569 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
8570 return ret;
8571 }
8572
8573 return send_and_recv_msgs(drv, msg, NULL, NULL);
8574}
8575
8576
8577static int
8578nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
8579{
8580 struct i802_bss *bss = priv;
8581 struct wpa_driver_nl80211_data *drv = bss->drv;
8582 struct nl_msg *msg;
8583
8584 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
8585 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
8586 return -EOPNOTSUPP;
8587
8588 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
8589 MAC2STR(addr));
8590 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
8591 if (!msg ||
8592 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8593 nlmsg_free(msg);
8594 wpa_printf(MSG_DEBUG,
8595 "nl80211: Could not build TDLS cancel chan switch");
8596 return -ENOBUFS;
8597 }
8598
8599 return send_and_recv_msgs(drv, msg, NULL, NULL);
8600}
8601
03ea1786
AN
8602#endif /* CONFIG TDLS */
8603
8604
9ebce9c5
JM
8605static int driver_nl80211_set_key(const char *ifname, void *priv,
8606 enum wpa_alg alg, const u8 *addr,
8607 int key_idx, int set_tx,
8608 const u8 *seq, size_t seq_len,
8609 const u8 *key, size_t key_len)
8610{
8611 struct i802_bss *bss = priv;
8612 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
8613 set_tx, seq, seq_len, key, key_len);
8614}
8615
8616
8617static int driver_nl80211_scan2(void *priv,
8618 struct wpa_driver_scan_params *params)
8619{
8620 struct i802_bss *bss = priv;
b658547d 8621#ifdef CONFIG_DRIVER_NL80211_QCA
adcd7c4b
KV
8622 struct wpa_driver_nl80211_data *drv = bss->drv;
8623
8624 /*
8625 * Do a vendor specific scan if possible. If only_new_results is
8626 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
8627 * cannot be achieved through a vendor scan. The below condition may
8628 * need to be modified if new scan flags are added in the future whose
8629 * functionality can only be achieved through a normal scan.
8630 */
8631 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
8632 return wpa_driver_nl80211_vendor_scan(bss, params);
b658547d 8633#endif /* CONFIG_DRIVER_NL80211_QCA */
9ebce9c5
JM
8634 return wpa_driver_nl80211_scan(bss, params);
8635}
8636
8637
8638static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
4be17ffb 8639 u16 reason_code)
9ebce9c5
JM
8640{
8641 struct i802_bss *bss = priv;
8642 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
8643}
8644
8645
8646static int driver_nl80211_authenticate(void *priv,
8647 struct wpa_driver_auth_params *params)
8648{
8649 struct i802_bss *bss = priv;
8650 return wpa_driver_nl80211_authenticate(bss, params);
8651}
8652
8653
8654static void driver_nl80211_deinit(void *priv)
8655{
8656 struct i802_bss *bss = priv;
8657 wpa_driver_nl80211_deinit(bss);
8658}
8659
8660
8661static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
8662 const char *ifname)
8663{
8664 struct i802_bss *bss = priv;
8665 return wpa_driver_nl80211_if_remove(bss, type, ifname);
8666}
8667
8668
8669static int driver_nl80211_send_mlme(void *priv, const u8 *data,
5d180a77 8670 size_t data_len, int noack,
2d3943ce
AO
8671 unsigned int freq,
8672 const u16 *csa_offs, size_t csa_offs_len)
9ebce9c5
JM
8673{
8674 struct i802_bss *bss = priv;
8675 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
2d3943ce
AO
8676 freq, 0, 0, 0, csa_offs,
8677 csa_offs_len);
9ebce9c5
JM
8678}
8679
8680
8681static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
8682{
8683 struct i802_bss *bss = priv;
59d7148a 8684 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM
8685}
8686
8687
9ebce9c5
JM
8688static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
8689 const char *ifname, int vlan_id)
8690{
8691 struct i802_bss *bss = priv;
8692 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
8693}
9ebce9c5
JM
8694
8695
8696static int driver_nl80211_read_sta_data(void *priv,
8697 struct hostap_sta_driver_data *data,
8698 const u8 *addr)
8699{
8700 struct i802_bss *bss = priv;
7824bf77
JC
8701
8702 os_memset(data, 0, sizeof(*data));
9ebce9c5
JM
8703 return i802_read_sta_data(bss, data, addr);
8704}
8705
8706
8707static int driver_nl80211_send_action(void *priv, unsigned int freq,
8708 unsigned int wait_time,
8709 const u8 *dst, const u8 *src,
8710 const u8 *bssid,
8711 const u8 *data, size_t data_len,
8712 int no_cck)
8713{
8714 struct i802_bss *bss = priv;
8715 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
8716 bssid, data, data_len, no_cck);
8717}
8718
8719
8720static int driver_nl80211_probe_req_report(void *priv, int report)
8721{
8722 struct i802_bss *bss = priv;
8723 return wpa_driver_nl80211_probe_req_report(bss, report);
8724}
8725
8726
6a1ce395
DG
8727static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
8728 const u8 *ies, size_t ies_len)
8729{
8730 int ret;
8731 struct nl_msg *msg;
8732 struct i802_bss *bss = priv;
8733 struct wpa_driver_nl80211_data *drv = bss->drv;
8734 u16 mdid = WPA_GET_LE16(md);
8735
6a1ce395 8736 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 8737 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM
8738 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
8739 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
8740 nlmsg_free(msg);
8741 return -ENOBUFS;
8742 }
6a1ce395
DG
8743
8744 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8745 if (ret) {
8746 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
8747 "err=%d (%s)", ret, strerror(-ret));
8748 }
8749
8750 return ret;
6a1ce395
DG
8751}
8752
8753
d1836e23
LD
8754static int nl80211_update_dh_ie(void *priv, const u8 *peer_mac,
8755 u16 reason_code, const u8 *ie, size_t ie_len)
8756{
8757 int ret;
8758 struct nl_msg *msg;
8759 struct i802_bss *bss = priv;
8760 struct wpa_driver_nl80211_data *drv = bss->drv;
8761
8762 wpa_printf(MSG_DEBUG, "nl80211: Updating DH IE peer: " MACSTR
8763 " reason %u", MAC2STR(peer_mac), reason_code);
8764 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UPDATE_OWE_INFO)) ||
8765 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_mac) ||
8766 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, reason_code) ||
8767 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) {
8768 nlmsg_free(msg);
8769 return -ENOBUFS;
8770 }
8771
8772 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8773 if (ret) {
8774 wpa_printf(MSG_DEBUG,
8775 "nl80211: update_dh_ie failed err=%d (%s)",
8776 ret, strerror(-ret));
8777 }
8778
8779 return ret;
8780}
8781
8782
47754718 8783static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
597b94f5
AS
8784{
8785 struct i802_bss *bss = priv;
8786 struct wpa_driver_nl80211_data *drv = bss->drv;
8787
8788 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
8789 return NULL;
8790
8791 return bss->addr;
8792}
8793
8794
a771c07d
JM
8795static const char * scan_state_str(enum scan_states scan_state)
8796{
8797 switch (scan_state) {
8798 case NO_SCAN:
8799 return "NO_SCAN";
8800 case SCAN_REQUESTED:
8801 return "SCAN_REQUESTED";
8802 case SCAN_STARTED:
8803 return "SCAN_STARTED";
8804 case SCAN_COMPLETED:
8805 return "SCAN_COMPLETED";
8806 case SCAN_ABORTED:
8807 return "SCAN_ABORTED";
8808 case SCHED_SCAN_STARTED:
8809 return "SCHED_SCAN_STARTED";
8810 case SCHED_SCAN_STOPPED:
8811 return "SCHED_SCAN_STOPPED";
8812 case SCHED_SCAN_RESULTS:
8813 return "SCHED_SCAN_RESULTS";
8814 }
8815
8816 return "??";
8817}
8818
8819
8820static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
8821{
8822 struct i802_bss *bss = priv;
8823 struct wpa_driver_nl80211_data *drv = bss->drv;
8824 int res;
8825 char *pos, *end;
fea49f8f
JM
8826 struct nl_msg *msg;
8827 char alpha2[3] = { 0, 0, 0 };
a771c07d
JM
8828
8829 pos = buf;
8830 end = buf + buflen;
8831
8832 res = os_snprintf(pos, end - pos,
8833 "ifindex=%d\n"
8834 "ifname=%s\n"
8835 "brname=%s\n"
8836 "addr=" MACSTR "\n"
8837 "freq=%d\n"
c809756f 8838 "%s%s%s%s%s%s",
a771c07d
JM
8839 bss->ifindex,
8840 bss->ifname,
8841 bss->brname,
8842 MAC2STR(bss->addr),
8843 bss->freq,
8844 bss->beacon_set ? "beacon_set=1\n" : "",
8845 bss->added_if_into_bridge ?
8846 "added_if_into_bridge=1\n" : "",
c809756f 8847 bss->already_in_bridge ? "already_in_bridge=1\n" : "",
a771c07d
JM
8848 bss->added_bridge ? "added_bridge=1\n" : "",
8849 bss->in_deinit ? "in_deinit=1\n" : "",
8850 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 8851 if (os_snprintf_error(end - pos, res))
a771c07d
JM
8852 return pos - buf;
8853 pos += res;
8854
8855 if (bss->wdev_id_set) {
8856 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
8857 (unsigned long long) bss->wdev_id);
d85e1fc8 8858 if (os_snprintf_error(end - pos, res))
a771c07d
JM
8859 return pos - buf;
8860 pos += res;
8861 }
8862
8863 res = os_snprintf(pos, end - pos,
8864 "phyname=%s\n"
fee354c7 8865 "perm_addr=" MACSTR "\n"
a771c07d
JM
8866 "drv_ifindex=%d\n"
8867 "operstate=%d\n"
8868 "scan_state=%s\n"
8869 "auth_bssid=" MACSTR "\n"
8870 "auth_attempt_bssid=" MACSTR "\n"
8871 "bssid=" MACSTR "\n"
8872 "prev_bssid=" MACSTR "\n"
8873 "associated=%d\n"
8874 "assoc_freq=%u\n"
8875 "monitor_sock=%d\n"
8876 "monitor_ifidx=%d\n"
8877 "monitor_refcount=%d\n"
8878 "last_mgmt_freq=%u\n"
8879 "eapol_tx_sock=%d\n"
97752f79 8880 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 8881 drv->phyname,
fee354c7 8882 MAC2STR(drv->perm_addr),
a771c07d
JM
8883 drv->ifindex,
8884 drv->operstate,
8885 scan_state_str(drv->scan_state),
8886 MAC2STR(drv->auth_bssid),
8887 MAC2STR(drv->auth_attempt_bssid),
8888 MAC2STR(drv->bssid),
8889 MAC2STR(drv->prev_bssid),
8890 drv->associated,
8891 drv->assoc_freq,
8892 drv->monitor_sock,
8893 drv->monitor_ifidx,
8894 drv->monitor_refcount,
8895 drv->last_mgmt_freq,
8896 drv->eapol_tx_sock,
8897 drv->ignore_if_down_event ?
8898 "ignore_if_down_event=1\n" : "",
8899 drv->scan_complete_events ?
8900 "scan_complete_events=1\n" : "",
8901 drv->disabled_11b_rates ?
8902 "disabled_11b_rates=1\n" : "",
8903 drv->pending_remain_on_chan ?
8904 "pending_remain_on_chan=1\n" : "",
8905 drv->in_interface_list ? "in_interface_list=1\n" : "",
8906 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
8907 drv->poll_command_supported ?
8908 "poll_command_supported=1\n" : "",
8909 drv->data_tx_status ? "data_tx_status=1\n" : "",
8910 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
8911 drv->retry_auth ? "retry_auth=1\n" : "",
8912 drv->use_monitor ? "use_monitor=1\n" : "",
8913 drv->ignore_next_local_disconnect ?
8914 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 8915 drv->ignore_next_local_deauth ?
97752f79 8916 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 8917 if (os_snprintf_error(end - pos, res))
a771c07d
JM
8918 return pos - buf;
8919 pos += res;
8920
8921 if (drv->has_capability) {
8922 res = os_snprintf(pos, end - pos,
8923 "capa.key_mgmt=0x%x\n"
8924 "capa.enc=0x%x\n"
8925 "capa.auth=0x%x\n"
24bd4e0b 8926 "capa.flags=0x%llx\n"
a0a34d53 8927 "capa.rrm_flags=0x%x\n"
a771c07d
JM
8928 "capa.max_scan_ssids=%d\n"
8929 "capa.max_sched_scan_ssids=%d\n"
8930 "capa.sched_scan_supported=%d\n"
8931 "capa.max_match_sets=%d\n"
8932 "capa.max_remain_on_chan=%u\n"
8933 "capa.max_stations=%u\n"
8934 "capa.probe_resp_offloads=0x%x\n"
8935 "capa.max_acl_mac_addrs=%u\n"
86056fea
IP
8936 "capa.num_multichan_concurrent=%u\n"
8937 "capa.mac_addr_rand_sched_scan_supported=%d\n"
079a28f7
AK
8938 "capa.mac_addr_rand_scan_supported=%d\n"
8939 "capa.conc_capab=%u\n"
8940 "capa.max_conc_chan_2_4=%u\n"
09ea4309
AS
8941 "capa.max_conc_chan_5_0=%u\n"
8942 "capa.max_sched_scan_plans=%u\n"
8943 "capa.max_sched_scan_plan_interval=%u\n"
8944 "capa.max_sched_scan_plan_iterations=%u\n",
a771c07d
JM
8945 drv->capa.key_mgmt,
8946 drv->capa.enc,
8947 drv->capa.auth,
24bd4e0b 8948 (unsigned long long) drv->capa.flags,
a0a34d53 8949 drv->capa.rrm_flags,
a771c07d
JM
8950 drv->capa.max_scan_ssids,
8951 drv->capa.max_sched_scan_ssids,
8952 drv->capa.sched_scan_supported,
8953 drv->capa.max_match_sets,
8954 drv->capa.max_remain_on_chan,
8955 drv->capa.max_stations,
8956 drv->capa.probe_resp_offloads,
8957 drv->capa.max_acl_mac_addrs,
86056fea
IP
8958 drv->capa.num_multichan_concurrent,
8959 drv->capa.mac_addr_rand_sched_scan_supported,
079a28f7
AK
8960 drv->capa.mac_addr_rand_scan_supported,
8961 drv->capa.conc_capab,
8962 drv->capa.max_conc_chan_2_4,
09ea4309
AS
8963 drv->capa.max_conc_chan_5_0,
8964 drv->capa.max_sched_scan_plans,
8965 drv->capa.max_sched_scan_plan_interval,
8966 drv->capa.max_sched_scan_plan_iterations);
d85e1fc8 8967 if (os_snprintf_error(end - pos, res))
a771c07d
JM
8968 return pos - buf;
8969 pos += res;
8970 }
8971
fea49f8f
JM
8972 msg = nlmsg_alloc();
8973 if (msg &&
8974 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
8975 nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
8976 if (send_and_recv_msgs(drv, msg, nl80211_get_country,
8977 alpha2) == 0 &&
8978 alpha2[0]) {
8979 res = os_snprintf(pos, end - pos, "country=%s\n",
8980 alpha2);
8981 if (os_snprintf_error(end - pos, res))
8982 return pos - buf;
8983 pos += res;
8984 }
8985 } else {
8986 nlmsg_free(msg);
8987 }
8988
a771c07d
JM
8989 return pos - buf;
8990}
8991
8992
1c4ffa87
AO
8993static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
8994{
a862e4a3
JM
8995 if ((settings->head &&
8996 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
8997 settings->head_len, settings->head)) ||
8998 (settings->tail &&
8999 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
9000 settings->tail_len, settings->tail)) ||
9001 (settings->beacon_ies &&
9002 nla_put(msg, NL80211_ATTR_IE,
9003 settings->beacon_ies_len, settings->beacon_ies)) ||
9004 (settings->proberesp_ies &&
9005 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
9006 settings->proberesp_ies_len, settings->proberesp_ies)) ||
9007 (settings->assocresp_ies &&
9008 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
9009 settings->assocresp_ies_len, settings->assocresp_ies)) ||
9010 (settings->probe_resp &&
9011 nla_put(msg, NL80211_ATTR_PROBE_RESP,
9012 settings->probe_resp_len, settings->probe_resp)))
9013 return -ENOBUFS;
1c4ffa87
AO
9014
9015 return 0;
1c4ffa87
AO
9016}
9017
9018
9019static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
9020{
9021 struct nl_msg *msg;
9022 struct i802_bss *bss = priv;
9023 struct wpa_driver_nl80211_data *drv = bss->drv;
9024 struct nlattr *beacon_csa;
9025 int ret = -ENOBUFS;
366179d2
AO
9026 int csa_off_len = 0;
9027 int i;
1c4ffa87 9028
8d1fdde7 9029 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 9030 settings->cs_count, settings->block_tx,
8d1fdde7
JD
9031 settings->freq_params.freq, settings->freq_params.bandwidth,
9032 settings->freq_params.center_freq1,
9033 settings->freq_params.center_freq2);
1c4ffa87 9034
991aa9c7 9035 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO
9036 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
9037 return -EOPNOTSUPP;
9038 }
9039
0928b629
PO
9040 if (drv->nlmode != NL80211_IFTYPE_AP &&
9041 drv->nlmode != NL80211_IFTYPE_P2P_GO &&
9042 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
1c4ffa87
AO
9043 return -EOPNOTSUPP;
9044
366179d2
AO
9045 /*
9046 * Remove empty counters, assuming Probe Response and Beacon frame
9047 * counters match. This implementation assumes that there are only two
9048 * counters.
9049 */
9050 if (settings->counter_offset_beacon[0] &&
9051 !settings->counter_offset_beacon[1]) {
9052 csa_off_len = 1;
9053 } else if (settings->counter_offset_beacon[1] &&
9054 !settings->counter_offset_beacon[0]) {
9055 csa_off_len = 1;
9056 settings->counter_offset_beacon[0] =
9057 settings->counter_offset_beacon[1];
9058 settings->counter_offset_presp[0] =
9059 settings->counter_offset_presp[1];
9060 } else if (settings->counter_offset_beacon[1] &&
9061 settings->counter_offset_beacon[0]) {
9062 csa_off_len = 2;
9063 } else {
9064 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
9065 return -EINVAL;
9066 }
9067
9068 /* Check CSA counters validity */
9069 if (drv->capa.max_csa_counters &&
9070 csa_off_len > drv->capa.max_csa_counters) {
9071 wpa_printf(MSG_ERROR,
9072 "nl80211: Too many CSA counters provided");
1c4ffa87 9073 return -EINVAL;
366179d2 9074 }
1c4ffa87 9075
366179d2 9076 if (!settings->beacon_csa.tail)
1c4ffa87
AO
9077 return -EINVAL;
9078
366179d2
AO
9079 for (i = 0; i < csa_off_len; i++) {
9080 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
9081 u16 csa_c_off_presp = settings->counter_offset_presp[i];
9082
9083 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
9084 (settings->beacon_csa.tail[csa_c_off_bcn] !=
9085 settings->cs_count))
9086 return -EINVAL;
9087
9088 if (settings->beacon_csa.probe_resp &&
9089 ((settings->beacon_csa.probe_resp_len <=
9090 csa_c_off_presp) ||
9091 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
9092 settings->cs_count)))
9093 return -EINVAL;
9094 }
9095
13f83980 9096 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM
9097 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
9098 settings->cs_count) ||
9099 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
9100 (settings->block_tx &&
9101 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO
9102 goto error;
9103
1c4ffa87
AO
9104 /* beacon_after params */
9105 ret = set_beacon_data(msg, &settings->beacon_after);
9106 if (ret)
9107 goto error;
9108
9109 /* beacon_csa params */
9110 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
9111 if (!beacon_csa)
a862e4a3 9112 goto fail;
1c4ffa87
AO
9113
9114 ret = set_beacon_data(msg, &settings->beacon_csa);
9115 if (ret)
9116 goto error;
9117
366179d2
AO
9118 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
9119 csa_off_len * sizeof(u16),
9120 settings->counter_offset_beacon) ||
a862e4a3 9121 (settings->beacon_csa.probe_resp &&
366179d2
AO
9122 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
9123 csa_off_len * sizeof(u16),
9124 settings->counter_offset_presp)))
a862e4a3 9125 goto fail;
1c4ffa87
AO
9126
9127 nla_nest_end(msg, beacon_csa);
9128 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9129 if (ret) {
9130 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
9131 ret, strerror(-ret));
9132 }
9133 return ret;
9134
a862e4a3 9135fail:
1c4ffa87
AO
9136 ret = -ENOBUFS;
9137error:
9138 nlmsg_free(msg);
9139 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
9140 return ret;
9141}
9142
9143
dfa87878
MB
9144static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
9145 u8 user_priority, u16 admitted_time)
9146{
9147 struct i802_bss *bss = priv;
9148 struct wpa_driver_nl80211_data *drv = bss->drv;
9149 struct nl_msg *msg;
9150 int ret;
9151
9152 wpa_printf(MSG_DEBUG,
9153 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
9154 tsid, admitted_time, user_priority);
9155
9156 if (!is_sta_interface(drv->nlmode))
9157 return -ENOTSUP;
9158
56f77852
JM
9159 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
9160 if (!msg ||
a862e4a3
JM
9161 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9162 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9163 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
9164 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
9165 nlmsg_free(msg);
9166 return -ENOBUFS;
9167 }
dfa87878
MB
9168
9169 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9170 if (ret)
9171 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
9172 ret, strerror(-ret));
9173 return ret;
dfa87878
MB
9174}
9175
9176
9177static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
9178{
9179 struct i802_bss *bss = priv;
9180 struct wpa_driver_nl80211_data *drv = bss->drv;
9181 struct nl_msg *msg;
9182 int ret;
9183
9184 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
9185
9186 if (!is_sta_interface(drv->nlmode))
9187 return -ENOTSUP;
9188
56f77852 9189 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM
9190 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
9191 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
9192 nlmsg_free(msg);
9193 return -ENOBUFS;
9194 }
dfa87878
MB
9195
9196 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9197 if (ret)
9198 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
9199 ret, strerror(-ret));
9200 return ret;
dfa87878
MB
9201}
9202
9203
6b9f7af6
JM
9204#ifdef CONFIG_TESTING_OPTIONS
9205static int cmd_reply_handler(struct nl_msg *msg, void *arg)
9206{
9207 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9208 struct wpabuf *buf = arg;
9209
9210 if (!buf)
9211 return NL_SKIP;
9212
9213 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
9214 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
9215 return NL_SKIP;
9216 }
9217
9218 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
9219 genlmsg_attrlen(gnlh, 0));
9220
9221 return NL_SKIP;
9222}
9223#endif /* CONFIG_TESTING_OPTIONS */
9224
9225
adef8948
BL
9226static int vendor_reply_handler(struct nl_msg *msg, void *arg)
9227{
9228 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9229 struct nlattr *nl_vendor_reply, *nl;
9230 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9231 struct wpabuf *buf = arg;
9232 int rem;
9233
9234 if (!buf)
9235 return NL_SKIP;
9236
9237 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9238 genlmsg_attrlen(gnlh, 0), NULL);
9239 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
9240
9241 if (!nl_vendor_reply)
9242 return NL_SKIP;
9243
9244 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
9245 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
9246 return NL_SKIP;
9247 }
9248
9249 nla_for_each_nested(nl, nl_vendor_reply, rem) {
9250 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
9251 }
9252
9253 return NL_SKIP;
9254}
9255
9256
9257static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
9258 unsigned int subcmd, const u8 *data,
9259 size_t data_len, struct wpabuf *buf)
9260{
9261 struct i802_bss *bss = priv;
9262 struct wpa_driver_nl80211_data *drv = bss->drv;
9263 struct nl_msg *msg;
9264 int ret;
9265
6b9f7af6
JM
9266#ifdef CONFIG_TESTING_OPTIONS
9267 if (vendor_id == 0xffffffff) {
56f77852
JM
9268 msg = nlmsg_alloc();
9269 if (!msg)
9270 return -ENOMEM;
9271
6b9f7af6
JM
9272 nl80211_cmd(drv, msg, 0, subcmd);
9273 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
9274 0)
a862e4a3 9275 goto fail;
6b9f7af6
JM
9276 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
9277 if (ret)
9278 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
9279 ret);
9280 return ret;
9281 }
9282#endif /* CONFIG_TESTING_OPTIONS */
9283
56f77852 9284 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM
9285 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
9286 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
9287 (data &&
9288 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
9289 goto fail;
adef8948
BL
9290
9291 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
9292 if (ret)
9293 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
9294 ret);
9295 return ret;
9296
a862e4a3 9297fail:
adef8948
BL
9298 nlmsg_free(msg);
9299 return -ENOBUFS;
9300}
9301
9302
049105b4
KP
9303static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
9304 u8 qos_map_set_len)
9305{
9306 struct i802_bss *bss = priv;
9307 struct wpa_driver_nl80211_data *drv = bss->drv;
9308 struct nl_msg *msg;
9309 int ret;
9310
049105b4
KP
9311 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
9312 qos_map_set, qos_map_set_len);
9313
9725b784 9314 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM
9315 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
9316 nlmsg_free(msg);
9317 return -ENOBUFS;
9318 }
049105b4
KP
9319
9320 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9321 if (ret)
9322 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
9323
9324 return ret;
049105b4
KP
9325}
9326
9327
e4fa8b12
EP
9328static int nl80211_set_wowlan(void *priv,
9329 const struct wowlan_triggers *triggers)
9330{
9331 struct i802_bss *bss = priv;
9332 struct wpa_driver_nl80211_data *drv = bss->drv;
9333 struct nl_msg *msg;
9334 struct nlattr *wowlan_triggers;
9335 int ret;
9336
e4fa8b12
EP
9337 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
9338
1ac977bd 9339 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM
9340 !(wowlan_triggers = nla_nest_start(msg,
9341 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
9342 (triggers->any &&
9343 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
9344 (triggers->disconnect &&
9345 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
9346 (triggers->magic_pkt &&
9347 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
9348 (triggers->gtk_rekey_failure &&
9349 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
9350 (triggers->eap_identity_req &&
9351 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
9352 (triggers->four_way_handshake &&
9353 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
9354 (triggers->rfkill_release &&
9355 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
9356 nlmsg_free(msg);
9357 return -ENOBUFS;
9358 }
e4fa8b12
EP
9359
9360 nla_nest_end(msg, wowlan_triggers);
9361
9362 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9363 if (ret)
9364 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
9365
9366 return ret;
e4fa8b12
EP
9367}
9368
9369
b658547d 9370#ifdef CONFIG_DRIVER_NL80211_QCA
0800f9ee
JM
9371static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
9372{
9373 struct i802_bss *bss = priv;
9374 struct wpa_driver_nl80211_data *drv = bss->drv;
9375 struct nl_msg *msg;
9376 struct nlattr *params;
9377
9378 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
9379
9380 if (!drv->roaming_vendor_cmd_avail) {
9381 wpa_printf(MSG_DEBUG,
9382 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
9383 return -1;
9384 }
9385
9725b784 9386 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM
9387 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9388 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9389 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
9390 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9391 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
9392 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
9393 QCA_ROAMING_NOT_ALLOWED) ||
9394 (bssid &&
9395 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
9396 nlmsg_free(msg);
9397 return -1;
9398 }
0800f9ee
JM
9399 nla_nest_end(msg, params);
9400
9401 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee 9402}
b04854ce
AP
9403
9404
d98038bb 9405static int nl80211_disable_fils(void *priv, int disable)
9406{
9407 struct i802_bss *bss = priv;
9408 struct wpa_driver_nl80211_data *drv = bss->drv;
9409 struct nl_msg *msg;
9410 struct nlattr *params;
9411
9412 wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable);
9413
9414 if (!drv->set_wifi_conf_vendor_cmd_avail)
9415 return -1;
9416
9417 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9418 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9419 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9420 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
9421 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9422 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS,
9423 disable)) {
9424 nlmsg_free(msg);
9425 return -1;
9426 }
9427 nla_nest_end(msg, params);
9428
9429 return send_and_recv_msgs(drv, msg, NULL, NULL);
9430}
9431
9432
b04854ce
AP
9433/* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
9434#define WPA_SUPPLICANT_CLIENT_ID 1
9435
9436static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid,
9437 const u8 *bssid)
9438{
9439 struct i802_bss *bss = priv;
9440 struct wpa_driver_nl80211_data *drv = bss->drv;
9441 struct nl_msg *msg;
9442 struct nlattr *params, *nlbssids, *attr;
9443 unsigned int i;
9444
9445 wpa_printf(MSG_DEBUG, "nl80211: Set blacklist BSSID (num=%u)",
9446 num_bssid);
9447
9448 if (!drv->roam_vendor_cmd_avail)
9449 return -1;
9450
9451 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9452 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9453 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9454 QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
9455 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9456 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
9457 QCA_WLAN_VENDOR_ATTR_ROAM_SUBCMD_SET_BLACKLIST_BSSID) ||
9458 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
9459 WPA_SUPPLICANT_CLIENT_ID) ||
9460 nla_put_u32(msg,
9461 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
9462 num_bssid))
9463 goto fail;
9464
9465 nlbssids = nla_nest_start(
9466 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
9467 if (!nlbssids)
9468 goto fail;
9469
9470 for (i = 0; i < num_bssid; i++) {
9471 attr = nla_nest_start(msg, i);
9472 if (!attr)
9473 goto fail;
9474 if (nla_put(msg,
9475 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
9476 ETH_ALEN, &bssid[i * ETH_ALEN]))
9477 goto fail;
9478 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i,
9479 MAC2STR(&bssid[i * ETH_ALEN]));
9480 nla_nest_end(msg, attr);
9481 }
9482 nla_nest_end(msg, nlbssids);
9483 nla_nest_end(msg, params);
9484
9485 return send_and_recv_msgs(drv, msg, NULL, NULL);
9486
9487fail:
9488 nlmsg_free(msg);
9489 return -1;
9490}
9491
b658547d 9492#endif /* CONFIG_DRIVER_NL80211_QCA */
0800f9ee
JM
9493
9494
fee354c7
JM
9495static int nl80211_set_mac_addr(void *priv, const u8 *addr)
9496{
9497 struct i802_bss *bss = priv;
9498 struct wpa_driver_nl80211_data *drv = bss->drv;
9499 int new_addr = addr != NULL;
9500
9ce3e610
JM
9501 if (TEST_FAIL())
9502 return -1;
9503
fee354c7
JM
9504 if (!addr)
9505 addr = drv->perm_addr;
9506
9507 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
9508 return -1;
9509
9510 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
9511 {
9512 wpa_printf(MSG_DEBUG,
9513 "nl80211: failed to set_mac_addr for %s to " MACSTR,
9514 bss->ifname, MAC2STR(addr));
9515 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
9516 1) < 0) {
9517 wpa_printf(MSG_DEBUG,
9518 "nl80211: Could not restore interface UP after failed set_mac_addr");
9519 }
9520 return -1;
9521 }
9522
9523 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
9524 bss->ifname, MAC2STR(addr));
9525 drv->addr_changed = new_addr;
9526 os_memcpy(bss->addr, addr, ETH_ALEN);
9527
9528 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
9529 {
9530 wpa_printf(MSG_DEBUG,
9531 "nl80211: Could not restore interface UP after set_mac_addr");
9532 }
9533
9534 return 0;
9535}
9536
9537
6c1664f6
BC
9538#ifdef CONFIG_MESH
9539
9540static int wpa_driver_nl80211_init_mesh(void *priv)
9541{
9542 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
9543 wpa_printf(MSG_INFO,
9544 "nl80211: Failed to set interface into mesh mode");
9545 return -1;
9546 }
9547 return 0;
9548}
9549
9550
21c74e84
JM
9551static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
9552 size_t mesh_id_len)
9553{
9554 if (mesh_id) {
21cd8f83
JM
9555 wpa_printf(MSG_DEBUG, " * Mesh ID (SSID)=%s",
9556 wpa_ssid_txt(mesh_id, mesh_id_len));
21c74e84
JM
9557 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
9558 }
9559
9560 return 0;
9561}
9562
9563
4ffb3f87
MH
9564static int nl80211_put_mesh_config(struct nl_msg *msg,
9565 struct wpa_driver_mesh_bss_params *params)
9566{
9567 struct nlattr *container;
9568
9569 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
9570 if (!container)
9571 return -1;
9572
2bd62171 9573 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
963d3149
JM
9574 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
9575 params->auto_plinks)) ||
2bd62171
MH
9576 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
9577 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
31a856a1
MH
9578 params->max_peer_links)) ||
9579 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
9580 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
9581 params->rssi_threshold)))
4ffb3f87
MH
9582 return -1;
9583
9584 /*
9585 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
9586 * the timer could disconnect stations even in that case.
9587 */
2bd62171
MH
9588 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
9589 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4ffb3f87
MH
9590 params->peer_link_timeout)) {
9591 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
9592 return -1;
9593 }
9594
052b8d38
MH
9595 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
9596 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
9597 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
9598 return -1;
9599 }
9600
4ffb3f87
MH
9601 nla_nest_end(msg, container);
9602
9603 return 0;
9604}
9605
9606
0cb5f8d9 9607static int nl80211_join_mesh(struct i802_bss *bss,
6c1664f6
BC
9608 struct wpa_driver_mesh_join_params *params)
9609{
6c1664f6
BC
9610 struct wpa_driver_nl80211_data *drv = bss->drv;
9611 struct nl_msg *msg;
9612 struct nlattr *container;
7451a217 9613 int ret = -1;
6c1664f6 9614
6c1664f6 9615 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784 9616 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
f7e889fa
JM
9617 if (!msg ||
9618 nl80211_put_freq_params(msg, &params->freq) ||
21c74e84
JM
9619 nl80211_put_basic_rates(msg, params->basic_rates) ||
9620 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
4ac2ea57
MH
9621 nl80211_put_beacon_int(msg, params->beacon_int) ||
9622 nl80211_put_dtim_period(msg, params->dtim_period))
85e1fad8 9623 goto fail;
9c58c5f7 9624
6c1664f6
BC
9625 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
9626
9627 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
9628 if (!container)
a862e4a3 9629 goto fail;
6c1664f6
BC
9630
9631 if (params->ies) {
9632 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM
9633 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
9634 params->ies))
9635 goto fail;
6c1664f6
BC
9636 }
9637 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
9638 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM
9639 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
9640 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
9641 goto fail;
6c1664f6 9642 }
a862e4a3
JM
9643 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
9644 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
9645 goto fail;
9646 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
9647 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
9648 goto fail;
6c1664f6
BC
9649 nla_nest_end(msg, container);
9650
2bd62171
MH
9651 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
9652 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
9653 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
4ffb3f87 9654 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
5a2a6de6 9655 goto fail;
6c1664f6
BC
9656
9657 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9658 msg = NULL;
9659 if (ret) {
9660 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
9661 ret, strerror(-ret));
a862e4a3 9662 goto fail;
6c1664f6
BC
9663 }
9664 ret = 0;
92a515b8 9665 drv->assoc_freq = bss->freq = params->freq.freq;
6c1664f6
BC
9666 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
9667
a862e4a3 9668fail:
6c1664f6
BC
9669 nlmsg_free(msg);
9670 return ret;
9671}
9672
9673
0cb5f8d9
MH
9674static int
9675wpa_driver_nl80211_join_mesh(void *priv,
9676 struct wpa_driver_mesh_join_params *params)
9677{
9678 struct i802_bss *bss = priv;
9679 int ret, timeout;
9680
9681 timeout = params->conf.peer_link_timeout;
9682
9683 /* Disable kernel inactivity timer */
9684 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
9685 params->conf.peer_link_timeout = 0;
9686
9687 ret = nl80211_join_mesh(bss, params);
9688 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
9689 wpa_printf(MSG_DEBUG,
9690 "nl80211: Mesh join retry for peer_link_timeout");
9691 /*
9692 * Old kernel does not support setting
9693 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
9694 * into future from peer_link_timeout.
9695 */
9696 params->conf.peer_link_timeout = timeout + 60;
9697 ret = nl80211_join_mesh(priv, params);
9698 }
9699
9700 params->conf.peer_link_timeout = timeout;
9701 return ret;
9702}
9703
9704
6c1664f6
BC
9705static int wpa_driver_nl80211_leave_mesh(void *priv)
9706{
9707 struct i802_bss *bss = priv;
9708 struct wpa_driver_nl80211_data *drv = bss->drv;
9709 struct nl_msg *msg;
9725b784 9710 int ret;
6c1664f6
BC
9711
9712 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 9713 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 9714 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC
9715 if (ret) {
9716 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
9717 ret, strerror(-ret));
a862e4a3
JM
9718 } else {
9719 wpa_printf(MSG_DEBUG,
9720 "nl80211: mesh leave request send successfully");
6c1664f6 9721 }
6c1664f6 9722
f33c82d2
JM
9723 if (wpa_driver_nl80211_set_mode(drv->first_bss,
9724 NL80211_IFTYPE_STATION)) {
9725 wpa_printf(MSG_INFO,
9726 "nl80211: Failed to set interface into station mode");
9727 }
6c1664f6
BC
9728 return ret;
9729}
9730
c36109e4
PKC
9731
9732static int nl80211_probe_mesh_link(void *priv, const u8 *addr, const u8 *eth,
9733 size_t len)
9734{
9735 struct i802_bss *bss = priv;
9736 struct wpa_driver_nl80211_data *drv = bss->drv;
9737 struct nl_msg *msg;
9738 int ret;
9739
9740 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_PROBE_MESH_LINK);
9741 if (!msg ||
9742 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9743 nla_put(msg, NL80211_ATTR_FRAME, len, eth)) {
9744 nlmsg_free(msg);
9745 return -ENOBUFS;
9746 }
9747
9748 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9749 if (ret) {
9750 wpa_printf(MSG_DEBUG, "nl80211: mesh link probe to " MACSTR
9751 " failed: ret=%d (%s)",
9752 MAC2STR(addr), ret, strerror(-ret));
9753 } else {
9754 wpa_printf(MSG_DEBUG, "nl80211: Mesh link to " MACSTR
9755 " probed successfully", MAC2STR(addr));
9756 }
9757
9758 return ret;
9759}
9760
6c1664f6
BC
9761#endif /* CONFIG_MESH */
9762
9763
ed4ddb6d
KP
9764static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
9765 const u8 *ipaddr, int prefixlen,
9766 const u8 *addr)
71103bed
KP
9767{
9768#ifdef CONFIG_LIBNL3_ROUTE
9769 struct i802_bss *bss = priv;
9770 struct wpa_driver_nl80211_data *drv = bss->drv;
9771 struct rtnl_neigh *rn;
9772 struct nl_addr *nl_ipaddr = NULL;
9773 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 9774 int family, addrsize;
71103bed
KP
9775 int res;
9776
ed4ddb6d 9777 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP
9778 return -EINVAL;
9779
9780 if (bss->br_ifindex == 0) {
9781 wpa_printf(MSG_DEBUG,
9782 "nl80211: bridge must be set before adding an ip neigh to it");
9783 return -1;
9784 }
9785
9786 if (!drv->rtnl_sk) {
9787 wpa_printf(MSG_DEBUG,
9788 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9789 return -1;
9790 }
9791
ed4ddb6d
KP
9792 if (version == 4) {
9793 family = AF_INET;
9794 addrsize = 4;
9795 } else if (version == 6) {
9796 family = AF_INET6;
9797 addrsize = 16;
9798 } else {
9799 return -EINVAL;
9800 }
9801
71103bed
KP
9802 rn = rtnl_neigh_alloc();
9803 if (rn == NULL)
9804 return -ENOMEM;
9805
9806 /* set the destination ip address for neigh */
ed4ddb6d 9807 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP
9808 if (nl_ipaddr == NULL) {
9809 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9810 res = -ENOMEM;
9811 goto errout;
9812 }
9813 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
9814 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9815 if (res) {
9816 wpa_printf(MSG_DEBUG,
9817 "nl80211: neigh set destination addr failed");
9818 goto errout;
9819 }
9820
9821 /* set the corresponding lladdr for neigh */
9822 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
9823 if (nl_lladdr == NULL) {
9824 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
9825 res = -ENOMEM;
9826 goto errout;
9827 }
9828 rtnl_neigh_set_lladdr(rn, nl_lladdr);
9829
9830 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
9831 rtnl_neigh_set_state(rn, NUD_PERMANENT);
9832
9833 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
9834 if (res) {
9835 wpa_printf(MSG_DEBUG,
9836 "nl80211: Adding bridge ip neigh failed: %s",
9837 strerror(errno));
9838 }
9839errout:
9840 if (nl_lladdr)
9841 nl_addr_put(nl_lladdr);
9842 if (nl_ipaddr)
9843 nl_addr_put(nl_ipaddr);
9844 if (rn)
9845 rtnl_neigh_put(rn);
9846 return res;
9847#else /* CONFIG_LIBNL3_ROUTE */
9848 return -1;
9849#endif /* CONFIG_LIBNL3_ROUTE */
9850}
9851
9852
ed4ddb6d
KP
9853static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
9854 const u8 *ipaddr)
71103bed
KP
9855{
9856#ifdef CONFIG_LIBNL3_ROUTE
9857 struct i802_bss *bss = priv;
9858 struct wpa_driver_nl80211_data *drv = bss->drv;
9859 struct rtnl_neigh *rn;
9860 struct nl_addr *nl_ipaddr;
ed4ddb6d 9861 int family, addrsize;
71103bed
KP
9862 int res;
9863
ed4ddb6d 9864 if (!ipaddr)
71103bed
KP
9865 return -EINVAL;
9866
ed4ddb6d
KP
9867 if (version == 4) {
9868 family = AF_INET;
9869 addrsize = 4;
9870 } else if (version == 6) {
9871 family = AF_INET6;
9872 addrsize = 16;
9873 } else {
9874 return -EINVAL;
9875 }
9876
71103bed
KP
9877 if (bss->br_ifindex == 0) {
9878 wpa_printf(MSG_DEBUG,
9879 "nl80211: bridge must be set to delete an ip neigh");
9880 return -1;
9881 }
9882
9883 if (!drv->rtnl_sk) {
9884 wpa_printf(MSG_DEBUG,
9885 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9886 return -1;
9887 }
9888
9889 rn = rtnl_neigh_alloc();
9890 if (rn == NULL)
9891 return -ENOMEM;
9892
9893 /* set the destination ip address for neigh */
ed4ddb6d 9894 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP
9895 if (nl_ipaddr == NULL) {
9896 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9897 res = -ENOMEM;
9898 goto errout;
9899 }
9900 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9901 if (res) {
9902 wpa_printf(MSG_DEBUG,
9903 "nl80211: neigh set destination addr failed");
9904 goto errout;
9905 }
9906
9907 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
9908
9909 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
9910 if (res) {
9911 wpa_printf(MSG_DEBUG,
9912 "nl80211: Deleting bridge ip neigh failed: %s",
9913 strerror(errno));
9914 }
9915errout:
9916 if (nl_ipaddr)
9917 nl_addr_put(nl_ipaddr);
9918 if (rn)
9919 rtnl_neigh_put(rn);
9920 return res;
9921#else /* CONFIG_LIBNL3_ROUTE */
9922 return -1;
9923#endif /* CONFIG_LIBNL3_ROUTE */
9924}
9925
9926
73d2294f
KP
9927static int linux_write_system_file(const char *path, unsigned int val)
9928{
9929 char buf[50];
9930 int fd, len;
9931
9932 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 9933 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP
9934 return -1;
9935
9936 fd = open(path, O_WRONLY);
9937 if (fd < 0)
9938 return -1;
9939
9940 if (write(fd, buf, len) < 0) {
9941 wpa_printf(MSG_DEBUG,
9942 "nl80211: Failed to write Linux system file: %s with the value of %d",
9943 path, val);
9944 close(fd);
9945 return -1;
9946 }
9947 close(fd);
9948
9949 return 0;
9950}
9951
9952
9953static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
9954{
9955 switch (attr) {
9956 case DRV_BR_PORT_ATTR_PROXYARP:
bea8d9a3 9957 return "proxyarp_wifi";
73d2294f
KP
9958 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
9959 return "hairpin_mode";
9960 }
9961
9962 return NULL;
9963}
9964
9965
9966static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
9967 unsigned int val)
9968{
9969 struct i802_bss *bss = priv;
9970 char path[128];
9971 const char *attr_txt;
9972
9973 attr_txt = drv_br_port_attr_str(attr);
9974 if (attr_txt == NULL)
9975 return -EINVAL;
9976
9977 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
9978 bss->ifname, attr_txt);
9979
9980 if (linux_write_system_file(path, val))
9981 return -1;
9982
9983 return 0;
9984}
9985
9986
7565752d
KP
9987static const char * drv_br_net_param_str(enum drv_br_net_param param)
9988{
9989 switch (param) {
9990 case DRV_BR_NET_PARAM_GARP_ACCEPT:
9991 return "arp_accept";
60eb9e17
JM
9992 default:
9993 return NULL;
7565752d 9994 }
7565752d
KP
9995}
9996
9997
9998static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
9999 unsigned int val)
10000{
10001 struct i802_bss *bss = priv;
10002 char path[128];
10003 const char *param_txt;
10004 int ip_version = 4;
10005
60eb9e17
JM
10006 if (param == DRV_BR_MULTICAST_SNOOPING) {
10007 os_snprintf(path, sizeof(path),
10008 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
10009 bss->brname);
10010 goto set_val;
10011 }
10012
7565752d
KP
10013 param_txt = drv_br_net_param_str(param);
10014 if (param_txt == NULL)
10015 return -EINVAL;
10016
10017 switch (param) {
10018 case DRV_BR_NET_PARAM_GARP_ACCEPT:
10019 ip_version = 4;
10020 break;
10021 default:
10022 return -EINVAL;
10023 }
10024
10025 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
10026 ip_version, bss->brname, param_txt);
10027
60eb9e17 10028set_val:
7565752d
KP
10029 if (linux_write_system_file(path, val))
10030 return -1;
10031
10032 return 0;
10033}
10034
10035
b658547d
JM
10036#ifdef CONFIG_DRIVER_NL80211_QCA
10037
16689c7c
PX
10038static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
10039{
10040 switch (hw_mode) {
10041 case HOSTAPD_MODE_IEEE80211B:
10042 return QCA_ACS_MODE_IEEE80211B;
10043 case HOSTAPD_MODE_IEEE80211G:
10044 return QCA_ACS_MODE_IEEE80211G;
10045 case HOSTAPD_MODE_IEEE80211A:
10046 return QCA_ACS_MODE_IEEE80211A;
10047 case HOSTAPD_MODE_IEEE80211AD:
10048 return QCA_ACS_MODE_IEEE80211AD;
3784c058
PX
10049 case HOSTAPD_MODE_IEEE80211ANY:
10050 return QCA_ACS_MODE_IEEE80211ANY;
16689c7c
PX
10051 default:
10052 return -1;
10053 }
10054}
10055
10056
d0cdccd3
PX
10057static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
10058{
10059 int i, len, ret;
10060 u32 *freqs;
10061
10062 if (!freq_list)
10063 return 0;
10064 len = int_array_len(freq_list);
10065 freqs = os_malloc(sizeof(u32) * len);
10066 if (!freqs)
10067 return -1;
10068 for (i = 0; i < len; i++)
10069 freqs[i] = freq_list[i];
10070 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
10071 sizeof(u32) * len, freqs);
10072 os_free(freqs);
10073 return ret;
10074}
10075
10076
16689c7c
PX
10077static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
10078{
10079 struct i802_bss *bss = priv;
10080 struct wpa_driver_nl80211_data *drv = bss->drv;
10081 struct nl_msg *msg;
10082 struct nlattr *data;
a862e4a3 10083 int ret;
16689c7c
PX
10084 int mode;
10085
10086 mode = hw_mode_to_qca_acs(params->hw_mode);
10087 if (mode < 0)
10088 return -1;
10089
9725b784 10090 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM
10091 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10092 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10093 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
10094 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10095 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
10096 (params->ht_enabled &&
10097 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
10098 (params->ht40_enabled &&
857d9422
MM
10099 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
10100 (params->vht_enabled &&
10101 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
10102 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
10103 params->ch_width) ||
10104 (params->ch_list_len &&
10105 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
d0cdccd3
PX
10106 params->ch_list)) ||
10107 add_acs_freq_list(msg, params->freq_list)) {
a862e4a3
JM
10108 nlmsg_free(msg);
10109 return -ENOBUFS;
10110 }
16689c7c
PX
10111 nla_nest_end(msg, data);
10112
857d9422
MM
10113 wpa_printf(MSG_DEBUG,
10114 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
10115 params->hw_mode, params->ht_enabled, params->ht40_enabled,
10116 params->vht_enabled, params->ch_width, params->ch_list_len);
10117
16689c7c 10118 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX
10119 if (ret) {
10120 wpa_printf(MSG_DEBUG,
10121 "nl80211: Failed to invoke driver ACS function: %s",
10122 strerror(errno));
10123 }
16689c7c
PX
10124 return ret;
10125}
10126
10127
844dfeb8
SD
10128static int nl80211_set_band(void *priv, enum set_band band)
10129{
10130 struct i802_bss *bss = priv;
10131 struct wpa_driver_nl80211_data *drv = bss->drv;
10132 struct nl_msg *msg;
10133 struct nlattr *data;
10134 int ret;
10135 enum qca_set_band qca_band;
10136
10137 if (!drv->setband_vendor_cmd_avail)
10138 return -1;
10139
10140 switch (band) {
10141 case WPA_SETBAND_AUTO:
10142 qca_band = QCA_SETBAND_AUTO;
10143 break;
10144 case WPA_SETBAND_5G:
10145 qca_band = QCA_SETBAND_5G;
10146 break;
10147 case WPA_SETBAND_2G:
10148 qca_band = QCA_SETBAND_2G;
10149 break;
10150 default:
10151 return -1;
10152 }
10153
10154 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10155 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10156 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10157 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
10158 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10159 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
10160 nlmsg_free(msg);
10161 return -ENOBUFS;
10162 }
10163 nla_nest_end(msg, data);
10164
10165 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10166 if (ret) {
10167 wpa_printf(MSG_DEBUG,
10168 "nl80211: Driver setband function failed: %s",
10169 strerror(errno));
10170 }
10171 return ret;
10172}
10173
10174
98342208
AK
10175struct nl80211_pcl {
10176 unsigned int num;
10177 unsigned int *freq_list;
10178};
10179
10180static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
10181{
10182 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10183 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10184 struct nl80211_pcl *param = arg;
10185 struct nlattr *nl_vend, *attr;
10186 enum qca_iface_type iface_type;
10187 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10188 unsigned int num, max_num;
10189 u32 *freqs;
10190
10191 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10192 genlmsg_attrlen(gnlh, 0), NULL);
10193
10194 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
10195 if (!nl_vend)
10196 return NL_SKIP;
10197
10198 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10199 nla_data(nl_vend), nla_len(nl_vend), NULL);
10200
10201 attr = tb_vendor[
10202 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
10203 if (!attr) {
10204 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
10205 param->num = 0;
10206 return NL_SKIP;
10207 }
10208
10209 iface_type = (enum qca_iface_type) nla_get_u32(attr);
10210 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
10211 iface_type);
10212
10213 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
10214 if (!attr) {
10215 wpa_printf(MSG_ERROR,
10216 "nl80211: preferred_freq_list couldn't be found");
10217 param->num = 0;
10218 return NL_SKIP;
10219 }
10220
10221 /*
10222 * param->num has the maximum number of entries for which there
10223 * is room in the freq_list provided by the caller.
10224 */
10225 freqs = nla_data(attr);
10226 max_num = nla_len(attr) / sizeof(u32);
10227 if (max_num > param->num)
10228 max_num = param->num;
10229 for (num = 0; num < max_num; num++)
10230 param->freq_list[num] = freqs[num];
10231 param->num = num;
10232
10233 return NL_SKIP;
10234}
10235
10236
10237static int nl80211_get_pref_freq_list(void *priv,
10238 enum wpa_driver_if_type if_type,
10239 unsigned int *num,
10240 unsigned int *freq_list)
10241{
10242 struct i802_bss *bss = priv;
10243 struct wpa_driver_nl80211_data *drv = bss->drv;
10244 struct nl_msg *msg;
10245 int ret;
10246 unsigned int i;
10247 struct nlattr *params;
10248 struct nl80211_pcl param;
10249 enum qca_iface_type iface_type;
10250
10251 if (!drv->get_pref_freq_list)
10252 return -1;
10253
10254 switch (if_type) {
10255 case WPA_IF_STATION:
10256 iface_type = QCA_IFACE_TYPE_STA;
10257 break;
10258 case WPA_IF_AP_BSS:
10259 iface_type = QCA_IFACE_TYPE_AP;
10260 break;
10261 case WPA_IF_P2P_GO:
10262 iface_type = QCA_IFACE_TYPE_P2P_GO;
10263 break;
10264 case WPA_IF_P2P_CLIENT:
10265 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
10266 break;
10267 case WPA_IF_IBSS:
10268 iface_type = QCA_IFACE_TYPE_IBSS;
10269 break;
10270 case WPA_IF_TDLS:
10271 iface_type = QCA_IFACE_TYPE_TDLS;
10272 break;
10273 default:
10274 return -1;
10275 }
10276
10277 param.num = *num;
10278 param.freq_list = freq_list;
10279
10280 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10281 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
10282 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10283 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10284 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
10285 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10286 nla_put_u32(msg,
10287 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
10288 iface_type)) {
10289 wpa_printf(MSG_ERROR,
10290 "%s: err in adding vendor_cmd and vendor_data",
10291 __func__);
10292 nlmsg_free(msg);
10293 return -1;
10294 }
10295 nla_nest_end(msg, params);
10296
10297 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
10298 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
10299 if (ret) {
10300 wpa_printf(MSG_ERROR,
10301 "%s: err in send_and_recv_msgs", __func__);
10302 return ret;
10303 }
10304
10305 *num = param.num;
10306
10307 for (i = 0; i < *num; i++) {
10308 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
10309 i, freq_list[i]);
10310 }
10311
10312 return 0;
10313}
10314
10315
7c813acf
AK
10316static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
10317{
10318 struct i802_bss *bss = priv;
10319 struct wpa_driver_nl80211_data *drv = bss->drv;
10320 struct nl_msg *msg;
10321 int ret;
10322 struct nlattr *params;
10323
10324 if (!drv->set_prob_oper_freq)
10325 return -1;
10326
10327 wpa_printf(MSG_DEBUG,
10328 "nl80211: Set P2P probable operating freq %u for ifindex %d",
10329 freq, bss->ifindex);
10330
10331 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10332 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10333 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10334 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
10335 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10336 nla_put_u32(msg,
10337 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
10338 QCA_IFACE_TYPE_P2P_CLIENT) ||
10339 nla_put_u32(msg,
10340 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
10341 freq)) {
10342 wpa_printf(MSG_ERROR,
10343 "%s: err in adding vendor_cmd and vendor_data",
10344 __func__);
10345 nlmsg_free(msg);
10346 return -1;
10347 }
10348 nla_nest_end(msg, params);
10349
10350 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10351 msg = NULL;
10352 if (ret) {
10353 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
10354 __func__);
10355 return ret;
10356 }
10357 nlmsg_free(msg);
10358 return 0;
10359}
10360
a6f5b193
PX
10361
10362static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
10363 unsigned int period, unsigned int interval,
10364 unsigned int count, const u8 *device_types,
10365 size_t dev_types_len,
10366 const u8 *ies, size_t ies_len)
10367{
10368 struct i802_bss *bss = priv;
10369 struct wpa_driver_nl80211_data *drv = bss->drv;
10370 struct nl_msg *msg;
10371 struct nlattr *container;
10372 int ret;
10373
10374 wpa_printf(MSG_DEBUG,
10375 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
10376 freq, period, interval, count);
10377
10378 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10379 return -1;
10380
10381 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10382 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10383 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10384 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
10385 goto fail;
10386
10387 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10388 if (!container)
10389 goto fail;
10390
10391 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
10392 freq) ||
10393 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
10394 period) ||
10395 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
10396 interval) ||
10397 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
10398 count) ||
10399 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
10400 dev_types_len, device_types) ||
10401 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
10402 ies_len, ies))
10403 goto fail;
10404
10405 nla_nest_end(msg, container);
10406 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10407 msg = NULL;
10408 if (ret) {
10409 wpa_printf(MSG_DEBUG,
10410 "nl80211: Failed to send P2P Listen offload vendor command");
10411 goto fail;
10412 }
10413
10414 return 0;
10415
10416fail:
10417 nlmsg_free(msg);
10418 return -1;
10419}
10420
10421
10422static int nl80211_p2p_lo_stop(void *priv)
10423{
10424 struct i802_bss *bss = priv;
10425 struct wpa_driver_nl80211_data *drv = bss->drv;
10426 struct nl_msg *msg;
10427
10428 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
10429
10430 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
10431 return -1;
10432
10433 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10434 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10435 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10436 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
10437 nlmsg_free(msg);
10438 return -1;
10439 }
10440
10441 return send_and_recv_msgs(drv, msg, NULL, NULL);
10442}
10443
2e4e4fb7
SD
10444
10445static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
10446{
10447 struct i802_bss *bss = priv;
10448 struct wpa_driver_nl80211_data *drv = bss->drv;
10449 struct nl_msg *msg;
10450 struct nlattr *params;
10451 int ret;
10452 u32 tdls_mode;
10453
10454 wpa_printf(MSG_DEBUG,
10455 "nl80211: Set TDKS mode: tdls_external_control=%d",
10456 tdls_external_control);
10457
10458 if (tdls_external_control == 1)
10459 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
10460 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
10461 else
10462 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
10463
10464 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10465 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10466 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10467 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
10468 goto fail;
10469
10470 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10471 if (!params)
10472 goto fail;
10473
10474 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
10475 tdls_mode))
10476 goto fail;
10477
10478 nla_nest_end(msg, params);
10479
10480 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10481 msg = NULL;
10482 if (ret) {
10483 wpa_printf(MSG_ERROR,
10484 "nl80211: Set TDLS mode failed: ret=%d (%s)",
10485 ret, strerror(-ret));
10486 goto fail;
10487 }
10488 return 0;
10489fail:
10490 nlmsg_free(msg);
10491 return -1;
10492}
10493
3ab48492
KV
10494
10495#ifdef CONFIG_MBO
10496
10497static enum mbo_transition_reject_reason
10498nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
10499{
10500 switch (status) {
10501 case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
10502 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
10503 case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
10504 return MBO_TRANSITION_REJECT_REASON_DELAY;
10505 case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
10506 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
10507 case QCA_STATUS_REJECT_LOW_RSSI:
10508 return MBO_TRANSITION_REJECT_REASON_RSSI;
10509 case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
10510 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
10511 case QCA_STATUS_REJECT_UNKNOWN:
10512 default:
10513 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
10514 }
10515}
10516
10517
10518static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
10519 struct nlattr *tb[], int num)
10520{
10521 enum qca_wlan_btm_candidate_status status;
10522 char buf[50];
10523
10524 os_memcpy(candidate->bssid,
10525 nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
10526 ETH_ALEN);
10527
10528 status = nla_get_u32(
10529 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
10530 candidate->is_accept = status == QCA_STATUS_ACCEPT;
10531 candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
10532
10533 if (candidate->is_accept)
10534 os_snprintf(buf, sizeof(buf), "Accepted");
10535 else
10536 os_snprintf(buf, sizeof(buf),
10537 "Rejected, Reject_reason: %d",
10538 candidate->reject_reason);
10539 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s",
10540 num, MAC2STR(candidate->bssid), buf);
10541}
10542
10543
10544static int
10545nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
10546{
10547 struct wpa_bss_candidate_info *info = arg;
10548 struct candidate_list *candidate = info->candidates;
10549 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
10550 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
10551 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
10552 static struct nla_policy policy[
10553 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
10554 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
10555 .minlen = ETH_ALEN
10556 },
10557 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
10558 .type = NLA_U32,
10559 },
10560 };
10561 struct nlattr *attr;
10562 int rem;
10563 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10564 u8 num;
10565
10566 num = info->num; /* number of candidates sent to driver */
10567 info->num = 0;
10568 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10569 genlmsg_attrlen(gnlh, 0), NULL);
10570
10571 if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
10572 nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
10573 tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
10574 !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
10575 return NL_SKIP;
10576
10577 wpa_printf(MSG_DEBUG,
10578 "nl80211: WNM Candidate list received from driver");
10579 nla_for_each_nested(attr,
10580 tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
10581 rem) {
10582 if (info->num >= num ||
10583 nla_parse_nested(
10584 tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
10585 attr, policy) ||
10586 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
10587 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
10588 break;
10589
10590 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
10591
10592 candidate++;
10593 info->num++;
10594 }
10595
10596 return NL_SKIP;
10597}
10598
10599
10600static struct wpa_bss_candidate_info *
10601nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
10602{
10603 struct i802_bss *bss = priv;
10604 struct wpa_driver_nl80211_data *drv = bss->drv;
10605 struct nl_msg *msg;
10606 struct nlattr *attr, *attr1, *attr2;
10607 struct wpa_bss_candidate_info *info;
10608 u8 i;
10609 int ret;
10610 u8 *pos;
10611
10612 if (!drv->fetch_bss_trans_status)
10613 return NULL;
10614
10615 info = os_zalloc(sizeof(*info));
10616 if (!info)
10617 return NULL;
10618 /* Allocate memory for number of candidates sent to driver */
10619 info->candidates = os_calloc(params->n_candidates,
10620 sizeof(*info->candidates));
10621 if (!info->candidates) {
10622 os_free(info);
10623 return NULL;
10624 }
10625
10626 /* Copy the number of candidates being sent to driver. This is used in
10627 * nl80211_get_bss_transition_status_handler() to limit the number of
10628 * candidates that can be populated in info->candidates and will be
10629 * later overwritten with the actual number of candidates received from
10630 * the driver.
10631 */
10632 info->num = params->n_candidates;
10633
10634 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10635 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10636 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10637 QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
10638 goto fail;
10639
10640 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10641 if (!attr)
10642 goto fail;
10643
10644 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
10645 params->mbo_transition_reason))
10646 goto fail;
10647
10648 attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
10649 if (!attr1)
10650 goto fail;
10651
10652 wpa_printf(MSG_DEBUG,
10653 "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
10654 params->mbo_transition_reason, params->n_candidates);
10655 pos = params->bssid;
10656 for (i = 0; i < params->n_candidates; i++) {
10657 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i,
10658 MAC2STR(pos));
10659 attr2 = nla_nest_start(msg, i);
10660 if (!attr2 ||
10661 nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
10662 ETH_ALEN, pos))
10663 goto fail;
10664 pos += ETH_ALEN;
10665 nla_nest_end(msg, attr2);
10666 }
10667
10668 nla_nest_end(msg, attr1);
10669 nla_nest_end(msg, attr);
10670
10671 ret = send_and_recv_msgs(drv, msg,
10672 nl80211_get_bss_transition_status_handler,
10673 info);
10674 msg = NULL;
10675 if (ret) {
10676 wpa_printf(MSG_ERROR,
10677 "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
10678 ret, strerror(-ret));
10679 goto fail;
10680 }
10681 return info;
10682
10683fail:
10684 nlmsg_free(msg);
10685 os_free(info->candidates);
10686 os_free(info);
10687 return NULL;
10688}
10689
178553b7
VK
10690
10691/**
10692 * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
10693 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
10694 * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
10695 * Returns: 0 on success, -1 on failure
10696 */
10697static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
10698{
10699 struct i802_bss *bss = priv;
10700 struct wpa_driver_nl80211_data *drv = bss->drv;
10701 struct nl_msg *msg;
10702 struct nlattr *attr;
10703 int ret = -1;
10704
10705 if (!drv->set_wifi_conf_vendor_cmd_avail)
10706 return -1;
10707
10708 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10709 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10710 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10711 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
10712 goto fail;
10713
10714 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
10715 if (!attr)
10716 goto fail;
10717
10718 wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
10719 ignore_disallow);
10720 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
10721 ignore_disallow))
10722 goto fail;
10723
10724 nla_nest_end(msg, attr);
10725
10726 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10727 msg = NULL;
10728 if (ret) {
10729 wpa_printf(MSG_ERROR,
10730 "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
10731 ret, strerror(-ret));
10732 goto fail;
10733 }
10734
10735fail:
10736 nlmsg_free(msg);
10737 return ret;
10738}
10739
3ab48492
KV
10740#endif /* CONFIG_MBO */
10741
b658547d
JM
10742#endif /* CONFIG_DRIVER_NL80211_QCA */
10743
7c813acf 10744
6922d440
IP
10745static int nl80211_write_to_file(const char *name, unsigned int val)
10746{
10747 int fd, len;
10748 char tmp[128];
3b726df8 10749 int ret = 0;
6922d440
IP
10750
10751 fd = open(name, O_RDWR);
10752 if (fd < 0) {
3b726df8
BN
10753 int level;
10754 /*
10755 * Flags may not exist on older kernels, or while we're tearing
10756 * down a disappearing device.
10757 */
10758 if (errno == ENOENT) {
10759 ret = 0;
10760 level = MSG_DEBUG;
10761 } else {
10762 ret = -1;
10763 level = MSG_ERROR;
10764 }
10765 wpa_printf(level, "nl80211: Failed to open %s: %s",
6922d440 10766 name, strerror(errno));
3b726df8 10767 return ret;
6922d440
IP
10768 }
10769
10770 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
10771 len = write(fd, tmp, len);
3b726df8
BN
10772 if (len < 0) {
10773 ret = -1;
6922d440
IP
10774 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
10775 name, strerror(errno));
3b726df8 10776 }
6922d440
IP
10777 close(fd);
10778
3b726df8 10779 return ret;
6922d440
IP
10780}
10781
10782
10783static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
10784{
10785 struct i802_bss *bss = priv;
10786 char path[128];
10787 int ret;
10788
10789 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
10790 filter_flags);
10791
10792 /* Configure filtering of unicast frame encrypted using GTK */
10793 ret = os_snprintf(path, sizeof(path),
10794 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
10795 bss->ifname);
bd86ea08
JM
10796 if (os_snprintf_error(sizeof(path), ret))
10797 return -1;
6922d440
IP
10798
10799 ret = nl80211_write_to_file(path,
10800 !!(filter_flags &
10801 WPA_DATA_FRAME_FILTER_FLAG_GTK));
10802 if (ret) {
10803 wpa_printf(MSG_ERROR,
10804 "nl80211: Failed to set IPv4 unicast in multicast filter");
10805 return ret;
10806 }
10807
10808 os_snprintf(path, sizeof(path),
10809 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
10810 bss->ifname);
10811 ret = nl80211_write_to_file(path,
10812 !!(filter_flags &
10813 WPA_DATA_FRAME_FILTER_FLAG_GTK));
10814
10815 if (ret) {
10816 wpa_printf(MSG_ERROR,
10817 "nl80211: Failed to set IPv6 unicast in multicast filter");
10818 return ret;
10819 }
10820
10821 /* Configure filtering of unicast frame encrypted using GTK */
10822 os_snprintf(path, sizeof(path),
10823 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
10824 bss->ifname);
10825 ret = nl80211_write_to_file(path,
10826 !!(filter_flags &
10827 WPA_DATA_FRAME_FILTER_FLAG_ARP));
10828 if (ret) {
10829 wpa_printf(MSG_ERROR,
10830 "nl80211: Failed set gratuitous ARP filter");
10831 return ret;
10832 }
10833
10834 /* Configure filtering of IPv6 NA frames */
10835 os_snprintf(path, sizeof(path),
10836 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
10837 bss->ifname);
10838 ret = nl80211_write_to_file(path,
10839 !!(filter_flags &
10840 WPA_DATA_FRAME_FILTER_FLAG_NA));
10841 if (ret) {
10842 wpa_printf(MSG_ERROR,
10843 "nl80211: Failed to set unsolicited NA filter");
10844 return ret;
10845 }
10846
10847 return 0;
10848}
10849
10850
cc9a2575
KV
10851static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
10852 const u8 **ext_capa, const u8 **ext_capa_mask,
10853 unsigned int *ext_capa_len)
10854{
10855 struct i802_bss *bss = priv;
10856 struct wpa_driver_nl80211_data *drv = bss->drv;
10857 enum nl80211_iftype nlmode;
10858 unsigned int i;
10859
10860 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
10861 return -1;
10862
10863 nlmode = wpa_driver_nl80211_if_type(type);
10864
10865 /* By default, use the per-radio values */
10866 *ext_capa = drv->extended_capa;
10867 *ext_capa_mask = drv->extended_capa_mask;
10868 *ext_capa_len = drv->extended_capa_len;
10869
10870 /* Replace the default value if a per-interface type value exists */
10871 for (i = 0; i < drv->num_iface_ext_capa; i++) {
10872 if (nlmode == drv->iface_ext_capa[i].iftype) {
10873 *ext_capa = drv->iface_ext_capa[i].ext_capa;
10874 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
10875 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
10876 break;
10877 }
10878 }
10879
10880 return 0;
10881}
10882
10883
3c67e977
VK
10884static int nl80211_update_connection_params(
10885 void *priv, struct wpa_driver_associate_params *params,
10886 enum wpa_drv_update_connect_params_mask mask)
10887{
10888 struct i802_bss *bss = priv;
10889 struct wpa_driver_nl80211_data *drv = bss->drv;
10890 struct nl_msg *msg;
10891 int ret = -1;
10892 enum nl80211_auth_type type;
10893
10894 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
10895 if (!msg)
10896 goto fail;
10897
10898 wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
10899 drv->ifindex);
10900
10901 if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
10902 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
10903 params->wpa_ie))
10904 goto fail;
10905 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie,
10906 params->wpa_ie_len);
10907 }
10908
10909 if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
10910 type = get_nl_auth_type(params->auth_alg);
10911 if (type == NL80211_AUTHTYPE_MAX ||
10912 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
10913 goto fail;
10914 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
10915 }
10916
10917 if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
10918 nl80211_put_fils_connect_params(drv, params, msg))
10919 goto fail;
10920
10921 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10922 msg = NULL;
10923 if (ret)
10924 wpa_dbg(drv->ctx, MSG_DEBUG,
10925 "nl80211: Update connect params command failed: ret=%d (%s)",
10926 ret, strerror(-ret));
10927
10928fail:
10929 nlmsg_free(msg);
10930 return ret;
10931}
10932
10933
ba71cb82
SD
10934static int nl80211_send_external_auth_status(void *priv,
10935 struct external_auth *params)
10936{
10937 struct i802_bss *bss = priv;
10938 struct wpa_driver_nl80211_data *drv = bss->drv;
10939 struct nl_msg *msg = NULL;
10940 int ret = -1;
10941
236e793e
SD
10942 /* External auth command/status is intended for drivers that implement
10943 * intenral SME but want to offload authentication processing (e.g.,
10944 * SAE) to hostapd/wpa_supplicant. Do nott send the status to drivers
10945 * which do not support AP SME or use wpa_supplicant/hostapd SME.
10946 */
2552a373 10947 if ((is_ap_interface(drv->nlmode) && !bss->drv->device_ap_sme) ||
236e793e
SD
10948 (drv->capa.flags & WPA_DRIVER_FLAGS_SME))
10949 return -1;
10950
ba71cb82
SD
10951 wpa_dbg(drv->ctx, MSG_DEBUG,
10952 "nl80211: External auth status: %u", params->status);
10953
10954 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH);
10955 if (!msg ||
10956 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) ||
dd1a8cef 10957 (params->ssid && params->ssid_len &&
236e793e
SD
10958 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
10959 (params->pmkid &&
10960 nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) ||
dd1a8cef
JM
10961 (params->bssid &&
10962 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
ba71cb82
SD
10963 goto fail;
10964 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10965 msg = NULL;
10966 if (ret) {
10967 wpa_printf(MSG_DEBUG,
10968 "nl80211: External Auth status update failed: ret=%d (%s)",
10969 ret, strerror(-ret));
10970 goto fail;
10971 }
10972fail:
10973 nlmsg_free(msg);
10974 return ret;
10975}
10976
10977
5abc7823
VN
10978static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
10979 int val)
10980{
10981 struct i802_bss *bss = priv;
10982 struct wpa_driver_nl80211_data *drv = bss->drv;
10983 struct nl_msg *msg;
10984 int ret = -ENOBUFS;
10985
10986 wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
10987 val ? "Enable" : "Disable", bridge_ifname);
10988
10989 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
10990 if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
10991 goto fail;
10992
10993 if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
10994 if (linux_br_del_if(drv->global->ioctl_sock,
10995 bridge_ifname, bss->ifname)) {
10996 wpa_printf(MSG_ERROR,
10997 "nl80211: Failed to remove interface %s from bridge %s",
10998 bss->ifname, bridge_ifname);
10999 return -1;
11000 }
11001 bss->added_if_into_bridge = 0;
11002 }
11003
11004 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11005 msg = NULL;
11006 if (!ret) {
11007 if (bridge_ifname[0] && val &&
11008 i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
11009 return -1;
11010 return 0;
11011 }
11012
11013fail:
11014 nlmsg_free(msg);
11015 wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
11016
11017 return ret;
11018}
11019
11020
3f5285e8
JM
11021const struct wpa_driver_ops wpa_driver_nl80211_ops = {
11022 .name = "nl80211",
11023 .desc = "Linux nl80211/cfg80211",
11024 .get_bssid = wpa_driver_nl80211_get_bssid,
11025 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM
11026 .set_key = driver_nl80211_set_key,
11027 .scan2 = driver_nl80211_scan2,
d21c63b9
LC
11028 .sched_scan = wpa_driver_nl80211_sched_scan,
11029 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 11030 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
4f30addb 11031 .abort_scan = wpa_driver_nl80211_abort_scan,
9ebce9c5
JM
11032 .deauthenticate = driver_nl80211_deauthenticate,
11033 .authenticate = driver_nl80211_authenticate,
3f5285e8 11034 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM
11035 .global_init = nl80211_global_init,
11036 .global_deinit = nl80211_global_deinit,
11037 .init2 = wpa_driver_nl80211_init,
9ebce9c5 11038 .deinit = driver_nl80211_deinit,
3f5285e8
JM
11039 .get_capa = wpa_driver_nl80211_get_capa,
11040 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 11041 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 11042 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 11043 .get_country = wpa_driver_nl80211_get_country,
19c3b566 11044 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 11045 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 11046 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM
11047 .if_remove = driver_nl80211_if_remove,
11048 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 11049 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 11050 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 11051 .sta_remove = driver_nl80211_sta_remove,
db149ac9 11052 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 11053 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
1d6f6385 11054 .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight,
c5121837 11055 .hapd_init = i802_init,
c5121837 11056 .hapd_deinit = i802_deinit,
f7b3920c 11057 .set_wds_sta = i802_set_wds_sta,
c5121837
JM
11058 .get_seqnum = i802_get_seqnum,
11059 .flush = i802_flush,
c5121837
JM
11060 .get_inact_sec = i802_get_inact_sec,
11061 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM
11062 .set_rts = i802_set_rts,
11063 .set_frag = i802_set_frag,
c5121837 11064 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 11065 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB
11066 .sta_deauth = i802_sta_deauth,
11067 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 11068 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 11069 .set_freq = i802_set_freq,
9ebce9c5 11070 .send_action = driver_nl80211_send_action,
5dfca53f 11071 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM
11072 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
11073 .cancel_remain_on_channel =
11074 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 11075 .probe_req_report = driver_nl80211_probe_req_report,
af473088 11076 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 11077 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 11078 .resume = wpa_driver_nl80211_resume,
b625473c 11079 .signal_monitor = nl80211_signal_monitor,
1c5c7273 11080 .signal_poll = nl80211_signal_poll,
7f00dc6e 11081 .channel_info = nl80211_channel_info,
b91ab76e 11082 .send_frame = nl80211_send_frame,
c55f774d 11083 .set_param = nl80211_set_param,
6859f1cb 11084 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM
11085 .add_pmkid = nl80211_add_pmkid,
11086 .remove_pmkid = nl80211_remove_pmkid,
11087 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 11088 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 11089 .poll_client = nl80211_poll_client,
29f338af 11090 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 11091 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 11092 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN
11093#ifdef CONFIG_TDLS
11094 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
11095 .tdls_oper = nl80211_tdls_oper,
72b2605f
AN
11096 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
11097 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
03ea1786 11098#endif /* CONFIG_TDLS */
6a1ce395 11099 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
d1836e23 11100 .update_dh_ie = nl80211_update_dh_ie,
597b94f5 11101 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 11102 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 11103 .status = wpa_driver_nl80211_status,
1c4ffa87 11104 .switch_channel = nl80211_switch_channel,
0de38036
JM
11105#ifdef ANDROID_P2P
11106 .set_noa = wpa_driver_set_p2p_noa,
11107 .get_noa = wpa_driver_get_p2p_noa,
11108 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
11109#endif /* ANDROID_P2P */
5e2c3490 11110#ifdef ANDROID
ded14ce9 11111#ifndef ANDROID_LIB_STUB
5e2c3490 11112 .driver_cmd = wpa_driver_nl80211_driver_cmd,
ded14ce9 11113#endif /* !ANDROID_LIB_STUB */
5e2c3490 11114#endif /* ANDROID */
adef8948 11115 .vendor_cmd = nl80211_vendor_cmd,
049105b4 11116 .set_qos_map = nl80211_set_qos_map,
e4fa8b12 11117 .set_wowlan = nl80211_set_wowlan,
fee354c7 11118 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC
11119#ifdef CONFIG_MESH
11120 .init_mesh = wpa_driver_nl80211_init_mesh,
11121 .join_mesh = wpa_driver_nl80211_join_mesh,
11122 .leave_mesh = wpa_driver_nl80211_leave_mesh,
c36109e4 11123 .probe_mesh_link = nl80211_probe_mesh_link,
6c1664f6 11124#endif /* CONFIG_MESH */
71103bed
KP
11125 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
11126 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 11127 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 11128 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB
11129 .add_tx_ts = nl80211_add_ts,
11130 .del_tx_ts = nl80211_del_ts,
45e3fc72 11131 .get_ifindex = nl80211_get_ifindex,
b658547d 11132#ifdef CONFIG_DRIVER_NL80211_QCA
9607a1ae 11133 .roaming = nl80211_roaming,
d98038bb 11134 .disable_fils = nl80211_disable_fils,
16689c7c 11135 .do_acs = wpa_driver_do_acs,
844dfeb8 11136 .set_band = nl80211_set_band,
98342208 11137 .get_pref_freq_list = nl80211_get_pref_freq_list,
7c813acf 11138 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
a6f5b193
PX
11139 .p2p_lo_start = nl80211_p2p_lo_start,
11140 .p2p_lo_stop = nl80211_p2p_lo_stop,
cc9985d1 11141 .set_default_scan_ies = nl80211_set_default_scan_ies,
2e4e4fb7 11142 .set_tdls_mode = nl80211_set_tdls_mode,
3ab48492
KV
11143#ifdef CONFIG_MBO
11144 .get_bss_transition_status = nl80211_get_bss_transition_status,
178553b7 11145 .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
3ab48492 11146#endif /* CONFIG_MBO */
b04854ce 11147 .set_bssid_blacklist = nl80211_set_bssid_blacklist,
b658547d 11148#endif /* CONFIG_DRIVER_NL80211_QCA */
6922d440 11149 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
cc9a2575 11150 .get_ext_capab = nl80211_get_ext_capab,
3c67e977 11151 .update_connect_params = nl80211_update_connection_params,
ba71cb82 11152 .send_external_auth_status = nl80211_send_external_auth_status,
5abc7823 11153 .set_4addr_mode = nl80211_set_4addr_mode,
3f5285e8 11154};