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[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
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3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
98cd3d1c 3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
072ad14c
JM		 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
58f6fbe0 7 * Copyright (c) 2009-2010, Atheros Communications
3f5285e8 8 *
0f3d578e
JM		 9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
3f5285e8
JM		 11 */
12
13#include "includes.h"
6859f1cb 14#include <sys/types.h>
73d2294f 15#include <fcntl.h>
37b7d082 16#include <net/if.h>
3f5285e8 17#include <netlink/genl/genl.h>
3f5285e8 18#include <netlink/genl/ctrl.h>
97ed9a06
KP		 19#ifdef CONFIG_LIBNL3_ROUTE
20#include <netlink/route/neighbour.h>
21#endif /* CONFIG_LIBNL3_ROUTE */
8602b0f2 22#include <linux/rtnetlink.h>
1b648c7e 23#include <netpacket/packet.h>
32ab4855 24#include <linux/errqueue.h>
625f587b 25
3f5285e8 26#include "common.h"
1b648c7e 27#include "eloop.h"
1682c623 28#include "common/qca-vendor.h"
a26582cb 29#include "common/qca-vendor-attr.h"
1b648c7e 30#include "common/ieee802_11_defs.h"
9b90955e 31#include "common/ieee802_11_common.h"
f10bfc9a 32#include "l2_packet/l2_packet.h"
e2d02c29 33#include "netlink.h"
1474e6e9 34#include "linux_defines.h"
34f2f814 35#include "linux_ioctl.h"
e2d02c29
JM		 36#include "radiotap.h"
37#include "radiotap_iter.h"
8401a6b0 38#include "rfkill.h"
1474e6e9 39#include "driver_nl80211.h"
32ab4855 40
1474e6e9
JM		 41
42#ifndef CONFIG_LIBNL20
a65a9aed
JB		 43/*
44 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
45 * but when you free a socket again it will mess up its bitmap and
46 * and use the wrong number the next time it needs a socket ID.
47 * Therefore, we wrap the handle alloc/destroy and add our own pid
48 * accounting.
49 */
50static uint32_t port_bitmap[32] = { 0 };
51
52static struct nl_handle *nl80211_handle_alloc(void *cb)
53{
54 struct nl_handle *handle;
55 uint32_t pid = getpid() & 0x3FFFFF;
56 int i;
57
58 handle = nl_handle_alloc_cb(cb);
59
60 for (i = 0; i < 1024; i++) {
61 if (port_bitmap[i / 32] & (1 << (i % 32)))
62 continue;
63 port_bitmap[i / 32] |= 1 << (i % 32);
64 pid += i << 22;
65 break;
66 }
67
68 nl_socket_set_local_port(handle, pid);
69
70 return handle;
71}
72
73static void nl80211_handle_destroy(struct nl_handle *handle)
74{
75 uint32_t port = nl_socket_get_local_port(handle);
76
77 port >>= 22;
78 port_bitmap[port / 32] &= ~(1 << (port % 32));
79
80 nl_handle_destroy(handle);
81}
c5121837
JM		 82#endif /* CONFIG_LIBNL20 */
83
c5121837 84
1c6edec6
JM		 85#ifdef ANDROID
86/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
1c6edec6
JM		 87#undef nl_socket_set_nonblocking
88#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
70a96c81 89
1c6edec6
JM		 90#endif /* ANDROID */
91
92
481234cf 93static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 94{
481234cf 95 struct nl_handle *handle;
a92dfde8 96
481234cf
JM		 97 handle = nl80211_handle_alloc(cb);
98 if (handle == NULL) {
a92dfde8
JB		 99 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
100 "callbacks (%s)", dbg);
481234cf 101 return NULL;
a92dfde8
JB		 102 }
103
481234cf 104 if (genl_connect(handle)) {
a92dfde8
JB		 105 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
106 "netlink (%s)", dbg);
481234cf
JM		 107 nl80211_handle_destroy(handle);
108 return NULL;
a92dfde8
JB		 109 }
110
481234cf 111 return handle;
a92dfde8
JB		 112}
113
114
481234cf 115static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 116{
481234cf 117 if (*handle == NULL)
a92dfde8 118 return;
481234cf
JM		 119 nl80211_handle_destroy(*handle);
120 *handle = NULL;
a92dfde8
JB		 121}
122
123
10b85921
JB		 124#if __WORDSIZE == 64
125#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
126#else
127#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
128#endif
129
5f65e9f7
JB		 130static void nl80211_register_eloop_read(struct nl_handle **handle,
131 eloop_sock_handler handler,
132 void *eloop_data)
133{
fa38860c 134#ifdef CONFIG_LIBNL20
630b3230
JM		 135 /*
136 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
137 * by default. It is possible to hit that limit in some cases where
138 * operations are blocked, e.g., with a burst of Deauthentication frames
139 * to hostapd and STA entry deletion. Try to increase the buffer to make
140 * this less likely to occur.
141 */
142 if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
143 wpa_printf(MSG_DEBUG,
144 "nl80211: Could not set nl_socket RX buffer size: %s",
145 strerror(errno));
146 /* continue anyway with the default (smaller) buffer */
147 }
fa38860c 148#endif /* CONFIG_LIBNL20 */
630b3230 149
10b85921 150 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 151 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
152 eloop_data, *handle);
10b85921 153 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 154}
155
156
157static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
158{
10b85921 159 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 160 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
161 nl_destroy_handles(handle);
162}
163
164
36d84860 165static void nl80211_global_deinit(void *priv);
f51f54a0 166static void nl80211_check_global(struct nl80211_global *global);
36d84860 167
9ebce9c5 168static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
4ec68377
JD		 169static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
170 struct hostapd_freq_params *freq);
3c5d34e3 171
362f781e 172static int
0d547d5f 173wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 174 const u8 *set_addr, int first,
175 const char *driver_params);
88df0ef7 176static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 177 unsigned int freq, unsigned int wait,
b106173a 178 const u8 *buf, size_t buf_len, u64 *cookie,
2d3943ce
AO		 179 int no_cck, int no_ack, int offchanok,
180 const u16 *csa_offs, size_t csa_offs_len);
9ebce9c5
JM		 181static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
182 int report);
0915d02c 183
732b1d20
MB		 184#define IFIDX_ANY -1
185
186static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
187 int ifidx_reason);
188static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
189 int ifidx_reason);
190static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
191 int ifidx_reason);
072ad14c 192
e87ef751
PX		 193static int nl80211_set_channel(struct i802_bss *bss,
194 struct hostapd_freq_params *freq, int set_chan);
4e5cb1a3
JM		 195static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
196 int ifindex, int disabled);
504e905c 197
666e508c
JM		 198static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
199 int reset_mode);
21bdbe38 200
bf83eab5 201static int i802_set_iface_flags(struct i802_bss *bss, int up);
0ecff8d7 202static int nl80211_set_param(void *priv, const char *param);
052b8d38
MH		 203#ifdef CONFIG_MESH
204static int nl80211_put_mesh_config(struct nl_msg *msg,
205 struct wpa_driver_mesh_bss_params *params);
206#endif /* CONFIG_MESH */
05e5e615
DL		 207static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
208 int reason);
bf83eab5 209
3f5285e8 210
8d1fdde7 211/* Converts nl80211_chan_width to a common format */
f3407c66 212enum chan_width convert2width(int width)
8d1fdde7
JD		 213{
214 switch (width) {
215 case NL80211_CHAN_WIDTH_20_NOHT:
216 return CHAN_WIDTH_20_NOHT;
217 case NL80211_CHAN_WIDTH_20:
218 return CHAN_WIDTH_20;
219 case NL80211_CHAN_WIDTH_40:
220 return CHAN_WIDTH_40;
221 case NL80211_CHAN_WIDTH_80:
222 return CHAN_WIDTH_80;
223 case NL80211_CHAN_WIDTH_80P80:
224 return CHAN_WIDTH_80P80;
225 case NL80211_CHAN_WIDTH_160:
226 return CHAN_WIDTH_160;
227 }
228 return CHAN_WIDTH_UNKNOWN;
229}
230
231
f3407c66 232int is_ap_interface(enum nl80211_iftype nlmode)
b1f625e0 233{
0e80ea2c
JM		 234 return nlmode == NL80211_IFTYPE_AP ||
235 nlmode == NL80211_IFTYPE_P2P_GO;
b1f625e0
EP		 236}
237
238
477af8f8 239int is_sta_interface(enum nl80211_iftype nlmode)
b1f625e0 240{
0e80ea2c
JM		 241 return nlmode == NL80211_IFTYPE_STATION ||
242 nlmode == NL80211_IFTYPE_P2P_CLIENT;
b1f625e0
EP		 243}
244
245
6a71413e 246static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2 247{
0e80ea2c
JM		 248 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
249 nlmode == NL80211_IFTYPE_P2P_GO;
b3af99d2
JM		 250}
251
252
f3407c66
JM		 253struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
254 int ifindex)
5dfbd725
JM		 255{
256 struct i802_bss *bss;
257
258 for (bss = drv->first_bss; bss; bss = bss->next) {
259 if (bss->ifindex == ifindex)
260 return bss;
261 }
262
263 return NULL;
264}
265
266
afb0550a
BC		 267static int is_mesh_interface(enum nl80211_iftype nlmode)
268{
269 return nlmode == NL80211_IFTYPE_MESH_POINT;
270}
271
272
f3407c66 273void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
add9b7a4
JM		 274{
275 if (drv->associated)
276 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
277 drv->associated = 0;
278 os_memset(drv->bssid, 0, ETH_ALEN);
279}
280
281
6241fcb1
JM		 282/* nl80211 code */
283static int ack_handler(struct nl_msg *msg, void *arg)
284{
285 int *err = arg;
286 *err = 0;
287 return NL_STOP;
288}
289
290static int finish_handler(struct nl_msg *msg, void *arg)
291{
8e8df255
JM		 292 int *ret = arg;
293 *ret = 0;
6241fcb1
JM		 294 return NL_SKIP;
295}
296
297static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
298 void *arg)
299{
300 int *ret = arg;
301 *ret = err->error;
302 return NL_SKIP;
303}
304
5b7b85f6
JM		 305
306static int no_seq_check(struct nl_msg *msg, void *arg)
307{
308 return NL_OK;
309}
310
311
bbd89bfc
JM		 312static void nl80211_nlmsg_clear(struct nl_msg *msg)
313{
314 /*
315 * Clear nlmsg data, e.g., to make sure key material is not left in
316 * heap memory for unnecessarily long time.
317 */
318 if (msg) {
319 struct nlmsghdr *hdr = nlmsg_hdr(msg);
320 void *data = nlmsg_data(hdr);
d58ade21
JM		 321 /*
322 * This would use nlmsg_datalen() or the older nlmsg_len() if
323 * only libnl were to maintain a stable API.. Neither will work
324 * with all released versions, so just calculate the length
325 * here.
326 */
327 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
bbd89bfc
JM		 328
329 os_memset(data, 0, len);
330 }
331}
332
333
d6c9aab8 334static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 335 struct nl_handle *nl_handle, struct nl_msg *msg,
336 int (*valid_handler)(struct nl_msg *, void *),
337 void *valid_data)
6241fcb1
JM		 338{
339 struct nl_cb *cb;
340 int err = -ENOMEM;
341
9725b784
JM		 342 if (!msg)
343 return -ENOMEM;
344
d6c9aab8 345 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 346 if (!cb)
347 goto out;
348
58f6fbe0 349 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 350 if (err < 0)
351 goto out;
352
353 err = 1;
354
355 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 356 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 357 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
358
359 if (valid_handler)
360 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
361 valid_handler, valid_data);
362
34068ac3
JM		 363 while (err > 0) {
364 int res = nl_recvmsgs(nl_handle, cb);
d3d04831 365 if (res < 0) {
34068ac3
JM		 366 wpa_printf(MSG_INFO,
367 "nl80211: %s->nl_recvmsgs failed: %d",
368 __func__, res);
369 }
370 }
6241fcb1
JM		 371 out:
372 nl_cb_put(cb);
bbd89bfc
JM		 373 if (!valid_handler && valid_data == (void *) -1)
374 nl80211_nlmsg_clear(msg);
6241fcb1
JM		 375 nlmsg_free(msg);
376 return err;
377}
378
379
f3407c66
JM		 380int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
381 struct nl_msg *msg,
382 int (*valid_handler)(struct nl_msg *, void *),
383 void *valid_data)
58f6fbe0 384{
481234cf 385 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 386 valid_handler, valid_data);
58f6fbe0
JM		 387}
388
389
97865538
JM		 390struct family_data {
391 const char *group;
392 int id;
393};
394
395
396static int family_handler(struct nl_msg *msg, void *arg)
397{
398 struct family_data *res = arg;
399 struct nlattr *tb[CTRL_ATTR_MAX + 1];
400 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
401 struct nlattr *mcgrp;
402 int i;
403
404 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
405 genlmsg_attrlen(gnlh, 0), NULL);
406 if (!tb[CTRL_ATTR_MCAST_GROUPS])
407 return NL_SKIP;
408
409 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
410 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
411 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
412 nla_len(mcgrp), NULL);
413 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
414 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
415 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
416 res->group,
417 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
418 continue;
419 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
420 break;
421 };
422
423 return NL_SKIP;
424}
425
426
d6c9aab8 427static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 428 const char *family, const char *group)
429{
430 struct nl_msg *msg;
a862e4a3 431 int ret;
97865538
JM		 432 struct family_data res = { group, -ENOENT };
433
434 msg = nlmsg_alloc();
435 if (!msg)
436 return -ENOMEM;
a862e4a3
JM		 437 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
438 0, 0, CTRL_CMD_GETFAMILY, 0) ||
439 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
440 nlmsg_free(msg);
441 return -1;
442 }
97865538 443
1033315f 444 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
97865538
JM		 445 if (ret == 0)
446 ret = res.id;
97865538
JM		 447 return ret;
448}
449
450
f3407c66
JM		 451void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
452 struct nl_msg *msg, int flags, uint8_t cmd)
9fb04070 453{
a5a187b0
JM		 454 if (TEST_FAIL())
455 return NULL;
335d42b1 456 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 457 0, flags, cmd, 0);
9fb04070
JM		 458}
459
460
350acc35
JM		 461static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
462{
463 if (bss->wdev_id_set)
464 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
465 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
466}
467
468
07c7757c
JM		 469struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
470{
471 struct nl_msg *msg;
472
473 msg = nlmsg_alloc();
474 if (!msg)
475 return NULL;
476
477 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
478 nl80211_set_iface_id(msg, bss) < 0) {
479 nlmsg_free(msg);
480 return NULL;
481 }
482
483 return msg;
484}
485
486
487static struct nl_msg *
488nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
489 int flags, uint8_t cmd)
490{
491 struct nl_msg *msg;
492
493 msg = nlmsg_alloc();
494 if (!msg)
495 return NULL;
496
497 if (!nl80211_cmd(drv, msg, flags, cmd) ||
498 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
499 nlmsg_free(msg);
500 return NULL;
501 }
502
503 return msg;
504}
505
506
507struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
508 uint8_t cmd)
509{
510 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
511}
512
513
514struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
515{
516 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
517}
518
519
e32ad281
JB		 520struct wiphy_idx_data {
521 int wiphy_idx;
01517c8b 522 enum nl80211_iftype nlmode;
597b94f5 523 u8 *macaddr;
e32ad281
JB		 524};
525
526
527static int netdev_info_handler(struct nl_msg *msg, void *arg)
528{
529 struct nlattr *tb[NL80211_ATTR_MAX + 1];
530 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
531 struct wiphy_idx_data *info = arg;
532
533 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
534 genlmsg_attrlen(gnlh, 0), NULL);
535
536 if (tb[NL80211_ATTR_WIPHY])
537 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
538
01517c8b
JB		 539 if (tb[NL80211_ATTR_IFTYPE])
540 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
541
597b94f5
AS		 542 if (tb[NL80211_ATTR_MAC] && info->macaddr)
543 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
544 ETH_ALEN);
545
e32ad281
JB		 546 return NL_SKIP;
547}
548
549
f3407c66 550int nl80211_get_wiphy_index(struct i802_bss *bss)
e32ad281
JB		 551{
552 struct nl_msg *msg;
553 struct wiphy_idx_data data = {
554 .wiphy_idx = -1,
597b94f5 555 .macaddr = NULL,
e32ad281
JB		 556 };
557
56f77852 558 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 559 return -1;
e32ad281
JB		 560
561 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
562 return data.wiphy_idx;
e32ad281
JB		 563 return -1;
564}
565
566
01517c8b
JB		 567static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
568{
569 struct nl_msg *msg;
570 struct wiphy_idx_data data = {
597b94f5
AS		 571 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
572 .macaddr = NULL,
01517c8b
JB		 573 };
574
56f77852 575 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 576 return NL80211_IFTYPE_UNSPECIFIED;
01517c8b
JB		 577
578 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
579 return data.nlmode;
01517c8b
JB		 580 return NL80211_IFTYPE_UNSPECIFIED;
581}
01517c8b
JB		 582
583
597b94f5
AS		 584static int nl80211_get_macaddr(struct i802_bss *bss)
585{
586 struct nl_msg *msg;
587 struct wiphy_idx_data data = {
588 .macaddr = bss->addr,
589 };
590
56f77852 591 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
a862e4a3 592 return -1;
597b94f5 593
597b94f5 594 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
597b94f5 595}
597b94f5
AS		 596
597
e32ad281
JB		 598static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
599 struct nl80211_wiphy_data *w)
600{
601 struct nl_msg *msg;
a862e4a3 602 int ret;
e32ad281
JB		 603
604 msg = nlmsg_alloc();
605 if (!msg)
606 return -1;
607
a862e4a3
JM		 608 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
609 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
610 nlmsg_free(msg);
611 return -1;
612 }
e32ad281 613
481234cf 614 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 615 if (ret) {
616 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
617 "failed: ret=%d (%s)",
618 ret, strerror(-ret));
e32ad281 619 }
e32ad281
JB		 620 return ret;
621}
622
623
624static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
625{
626 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 627 int res;
e32ad281 628
ee9fc67a 629 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 630
34068ac3 631 res = nl_recvmsgs(handle, w->nl_cb);
d3d04831 632 if (res < 0) {
34068ac3
JM		 633 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
634 __func__, res);
635 }
e32ad281
JB		 636}
637
638
639static int process_beacon_event(struct nl_msg *msg, void *arg)
640{
641 struct nl80211_wiphy_data *w = arg;
642 struct wpa_driver_nl80211_data *drv;
643 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
644 struct nlattr *tb[NL80211_ATTR_MAX + 1];
645 union wpa_event_data event;
646
647 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
648 genlmsg_attrlen(gnlh, 0), NULL);
649
650 if (gnlh->cmd != NL80211_CMD_FRAME) {
651 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
652 gnlh->cmd);
653 return NL_SKIP;
654 }
655
656 if (!tb[NL80211_ATTR_FRAME])
657 return NL_SKIP;
658
659 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
660 wiphy_list) {
661 os_memset(&event, 0, sizeof(event));
662 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
663 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
664 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
665 }
666
667 return NL_SKIP;
668}
669
670
671static struct nl80211_wiphy_data *
672nl80211_get_wiphy_data_ap(struct i802_bss *bss)
673{
674 static DEFINE_DL_LIST(nl80211_wiphys);
675 struct nl80211_wiphy_data *w;
676 int wiphy_idx, found = 0;
677 struct i802_bss *tmp_bss;
678
679 if (bss->wiphy_data != NULL)
680 return bss->wiphy_data;
681
682 wiphy_idx = nl80211_get_wiphy_index(bss);
683
684 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
685 if (w->wiphy_idx == wiphy_idx)
686 goto add;
687 }
688
689 /* alloc new one */
690 w = os_zalloc(sizeof(*w));
691 if (w == NULL)
692 return NULL;
693 w->wiphy_idx = wiphy_idx;
694 dl_list_init(&w->bsss);
695 dl_list_init(&w->drvs);
696
697 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
698 if (!w->nl_cb) {
699 os_free(w);
700 return NULL;
701 }
702 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
703 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
704 w);
705
481234cf
JM		 706 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
707 "wiphy beacons");
708 if (w->nl_beacons == NULL) {
e32ad281
JB		 709 os_free(w);
710 return NULL;
711 }
712
713 if (nl80211_register_beacons(bss->drv, w)) {
714 nl_destroy_handles(&w->nl_beacons);
715 os_free(w);
716 return NULL;
717 }
718
5f65e9f7 719 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
e32ad281
JB		 720
721 dl_list_add(&nl80211_wiphys, &w->list);
722
723add:
724 /* drv entry for this bss already there? */
725 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
726 if (tmp_bss->drv == bss->drv) {
727 found = 1;
728 break;
729 }
730 }
731 /* if not add it */
732 if (!found)
733 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
734
735 dl_list_add(&w->bsss, &bss->wiphy_list);
736 bss->wiphy_data = w;
737 return w;
738}
739
740
741static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
742{
743 struct nl80211_wiphy_data *w = bss->wiphy_data;
744 struct i802_bss *tmp_bss;
745 int found = 0;
746
747 if (w == NULL)
748 return;
749 bss->wiphy_data = NULL;
750 dl_list_del(&bss->wiphy_list);
751
752 /* still any for this drv present? */
753 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
754 if (tmp_bss->drv == bss->drv) {
755 found = 1;
756 break;
757 }
758 }
759 /* if not remove it */
760 if (!found)
761 dl_list_del(&bss->drv->wiphy_list);
762
763 if (!dl_list_empty(&w->bsss))
764 return;
765
5f65e9f7 766 nl80211_destroy_eloop_handle(&w->nl_beacons);
e32ad281
JB		 767
768 nl_cb_put(w->nl_cb);
e32ad281
JB		 769 dl_list_del(&w->list);
770 os_free(w);
771}
772
773
45e3fc72
RM		 774static unsigned int nl80211_get_ifindex(void *priv)
775{
776 struct i802_bss *bss = priv;
777 struct wpa_driver_nl80211_data *drv = bss->drv;
778
779 return drv->ifindex;
780}
781
782
3f5285e8
JM		 783static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
784{
a2e40bb6
FF		 785 struct i802_bss *bss = priv;
786 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 787 if (!drv->associated)
788 return -1;
789 os_memcpy(bssid, drv->bssid, ETH_ALEN);
790 return 0;
3f5285e8
JM		 791}
792
793
3f5285e8
JM		 794static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
795{
a2e40bb6
FF		 796 struct i802_bss *bss = priv;
797 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 798 if (!drv->associated)
799 return -1;
800 os_memcpy(ssid, drv->ssid, drv->ssid_len);
801 return drv->ssid_len;
3f5285e8
JM		 802}
803
804
90a545cc 805static void wpa_driver_nl80211_event_newlink(
45e3fc72
RM		 806 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
807 int ifindex, const char *ifname)
3f5285e8
JM		 808{
809 union wpa_event_data event;
810
45e3fc72 811 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 812 if (if_nametoindex(drv->first_bss->ifname) == 0) {
813 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
814 drv->first_bss->ifname);
815 return;
816 }
817 if (!drv->if_removed)
818 return;
819 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
820 drv->first_bss->ifname);
821 drv->if_removed = 0;
822 }
823
3f5285e8 824 os_memset(&event, 0, sizeof(event));
45e3fc72 825 event.interface_status.ifindex = ifindex;
90a545cc
JM		 826 os_strlcpy(event.interface_status.ifname, ifname,
827 sizeof(event.interface_status.ifname));
828 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
45e3fc72
RM		 829 if (drv)
830 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
831 else
832 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
833 &event);
90a545cc
JM		 834}
835
836
837static void wpa_driver_nl80211_event_dellink(
45e3fc72
RM		 838 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
839 int ifindex, const char *ifname)
90a545cc
JM		 840{
841 union wpa_event_data event;
842
45e3fc72 843 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
90a545cc
JM		 844 if (drv->if_removed) {
845 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
846 ifname);
847 return;
d1f4942b 848 }
90a545cc
JM		 849 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
850 ifname);
851 drv->if_removed = 1;
852 } else {
853 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
854 ifname);
7524cfb1
JM		 855 }
856
90a545cc 857 os_memset(&event, 0, sizeof(event));
45e3fc72 858 event.interface_status.ifindex = ifindex;
90a545cc
JM		 859 os_strlcpy(event.interface_status.ifname, ifname,
860 sizeof(event.interface_status.ifname));
861 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
45e3fc72
RM		 862 if (drv)
863 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
864 else
865 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
866 &event);
3f5285e8
JM		 867}
868
869
7524cfb1 870static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 871 u8 *buf, size_t len)
7524cfb1 872{
62d680c3 873 int attrlen, rta_len;
7524cfb1
JM		 874 struct rtattr *attr;
875
62d680c3
JM		 876 attrlen = len;
877 attr = (struct rtattr *) buf;
7524cfb1
JM		 878
879 rta_len = RTA_ALIGN(sizeof(struct rtattr));
880 while (RTA_OK(attr, attrlen)) {
881 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 882 if (os_strcmp(((char *) attr) + rta_len,
883 drv->first_bss->ifname) == 0)
7524cfb1
JM		 884 return 1;
885 else
886 break;
887 }
888 attr = RTA_NEXT(attr, attrlen);
889 }
890
891 return 0;
892}
893
894
895static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 896 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 897{
898 if (drv->ifindex == ifindex)
899 return 1;
900
62d680c3 901 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
f51f54a0 902 nl80211_check_global(drv->global);
7524cfb1
JM		 903 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
904 "interface");
0ecff8d7 905 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
7524cfb1
JM		 906 return 1;
907 }
908
909 return 0;
910}
911
912
36d84860
BG		 913static struct wpa_driver_nl80211_data *
914nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
915{
916 struct wpa_driver_nl80211_data *drv;
917 dl_list_for_each(drv, &global->interfaces,
918 struct wpa_driver_nl80211_data, list) {
919 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
732b1d20 920 have_ifidx(drv, idx, IFIDX_ANY))
36d84860
BG		 921 return drv;
922 }
923 return NULL;
924}
925
926
62d680c3
JM		 927static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
928 struct ifinfomsg *ifi,
929 u8 *buf, size_t len)
3f5285e8 930{
36d84860
BG		 931 struct nl80211_global *global = ctx;
932 struct wpa_driver_nl80211_data *drv;
90a545cc 933 int attrlen;
62d680c3 934 struct rtattr *attr;
97cfcf64 935 u32 brid = 0;
aef85ba2 936 char namebuf[IFNAMSIZ];
90a545cc
JM		 937 char ifname[IFNAMSIZ + 1];
938 char extra[100], *pos, *end;
3f5285e8 939
90a545cc
JM		 940 extra[0] = '\0';
941 pos = extra;
942 end = pos + sizeof(extra);
943 ifname[0] = '\0';
944
945 attrlen = len;
946 attr = (struct rtattr *) buf;
947 while (RTA_OK(attr, attrlen)) {
948 switch (attr->rta_type) {
949 case IFLA_IFNAME:
950 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
951 break;
952 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
953 ifname[RTA_PAYLOAD(attr)] = '\0';
954 break;
955 case IFLA_MASTER:
956 brid = nla_get_u32((struct nlattr *) attr);
957 pos += os_snprintf(pos, end - pos, " master=%u", brid);
958 break;
959 case IFLA_WIRELESS:
960 pos += os_snprintf(pos, end - pos, " wext");
961 break;
962 case IFLA_OPERSTATE:
963 pos += os_snprintf(pos, end - pos, " operstate=%u",
964 nla_get_u32((struct nlattr *) attr));
965 break;
966 case IFLA_LINKMODE:
967 pos += os_snprintf(pos, end - pos, " linkmode=%u",
968 nla_get_u32((struct nlattr *) attr));
969 break;
970 }
971 attr = RTA_NEXT(attr, attrlen);
972 }
973 extra[sizeof(extra) - 1] = '\0';
974
f2e90835
JM		 975 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
976 ifi->ifi_index, ifname, extra, ifi->ifi_family,
977 ifi->ifi_flags,
3f5285e8
JM		 978 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
979 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
980 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
981 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4 982
45e3fc72
RM		 983 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
984 if (!drv)
985 goto event_newlink;
986
a63063b4 987 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
106fa1e9 988 namebuf[0] = '\0';
59d24925 989 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 990 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
59d24925
JM		 991 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
992 "event since interface %s is up", namebuf);
7a94120e 993 drv->ignore_if_down_event = 0;
59d24925
JM		 994 return;
995 }
106fa1e9
JM		 996 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
997 namebuf, ifname);
998 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
999 wpa_printf(MSG_DEBUG,
1000 "nl80211: Not the main interface (%s) - do not indicate interface down",
1001 drv->first_bss->ifname);
1002 } else if (drv->ignore_if_down_event) {
7d9c3698
JM		 1003 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1004 "event generated by mode change");
1005 drv->ignore_if_down_event = 0;
1006 } else {
1007 drv->if_disabled = 1;
1008 wpa_supplicant_event(drv->ctx,
1009 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO		 1010
1011 /*
1012 * Try to get drv again, since it may be removed as
1013 * part of the EVENT_INTERFACE_DISABLED handling for
1014 * dynamic interfaces
1015 */
1016 drv = nl80211_find_drv(global, ifi->ifi_index,
1017 buf, len);
1018 if (!drv)
1019 return;
7d9c3698 1020 }
a63063b4
JM		 1021 }
1022
1023 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2 1024 if (if_indextoname(ifi->ifi_index, namebuf) &&
106fa1e9 1025 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
aef85ba2
JM		 1026 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1027 "event since interface %s is down",
1028 namebuf);
834ee56f 1029 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 1030 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1031 "event since interface %s does not exist",
834ee56f 1032 drv->first_bss->ifname);
d1f4942b
JM		 1033 } else if (drv->if_removed) {
1034 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1035 "event since interface %s is marked "
834ee56f 1036 "removed", drv->first_bss->ifname);
aef85ba2 1037 } else {
3e0272ca
DW		 1038 struct i802_bss *bss;
1039 u8 addr[ETH_ALEN];
1040
1041 /* Re-read MAC address as it may have changed */
1042 bss = get_bss_ifindex(drv, ifi->ifi_index);
1043 if (bss &&
1044 linux_get_ifhwaddr(drv->global->ioctl_sock,
1045 bss->ifname, addr) < 0) {
1046 wpa_printf(MSG_DEBUG,
1047 "nl80211: %s: failed to re-read MAC address",
1048 bss->ifname);
1049 } else if (bss &&
1050 os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1051 wpa_printf(MSG_DEBUG,
1052 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1053 MACSTR " to " MACSTR,
1054 ifi->ifi_index, bss->ifname,
1055 MAC2STR(bss->addr),
1056 MAC2STR(addr));
1057 os_memcpy(bss->addr, addr, ETH_ALEN);
1058 }
1059
aef85ba2
JM		 1060 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1061 drv->if_disabled = 0;
1062 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1063 NULL);
1064 }
a63063b4
JM		 1065 }
1066
3f5285e8
JM		 1067 /*
1068 * Some drivers send the association event before the operup event--in
1069 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1070 * fails. This will hit us when wpa_supplicant does not need to do
1071 * IEEE 802.1X authentication
1072 */
1073 if (drv->operstate == 1 &&
1074 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM		 1075 !(ifi->ifi_flags & IFF_RUNNING)) {
1076 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1077 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1078 -1, IF_OPER_UP);
3f5285e8 1079 }
97cfcf64 1080
45e3fc72 1081event_newlink:
90a545cc 1082 if (ifname[0])
45e3fc72
RM		 1083 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1084 ifname);
90a545cc 1085
45e3fc72 1086 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
392dfd37
JM		 1087 struct i802_bss *bss;
1088
97cfcf64 1089 /* device has been added to bridge */
40e76396
JM		 1090 if (!if_indextoname(brid, namebuf)) {
1091 wpa_printf(MSG_DEBUG,
1092 "nl80211: Could not find bridge ifname for ifindex %u",
1093 brid);
1094 return;
1095 }
97cfcf64
B		 1096 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1097 brid, namebuf);
732b1d20 1098 add_ifidx(drv, brid, ifi->ifi_index);
392dfd37
JM		 1099
1100 for (bss = drv->first_bss; bss; bss = bss->next) {
1101 if (os_strcmp(ifname, bss->ifname) == 0) {
1102 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1103 break;
1104 }
1105 }
97cfcf64 1106 }
3f5285e8
JM		 1107}
1108
1109
62d680c3
JM		 1110static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1111 struct ifinfomsg *ifi,
1112 u8 *buf, size_t len)
3f5285e8 1113{
36d84860
BG		 1114 struct nl80211_global *global = ctx;
1115 struct wpa_driver_nl80211_data *drv;
90a545cc 1116 int attrlen;
62d680c3 1117 struct rtattr *attr;
97cfcf64 1118 u32 brid = 0;
90a545cc 1119 char ifname[IFNAMSIZ + 1];
f2e90835 1120 char extra[100], *pos, *end;
3f5285e8 1121
f2e90835
JM		 1122 extra[0] = '\0';
1123 pos = extra;
1124 end = pos + sizeof(extra);
90a545cc
JM		 1125 ifname[0] = '\0';
1126
62d680c3
JM		 1127 attrlen = len;
1128 attr = (struct rtattr *) buf;
3f5285e8 1129 while (RTA_OK(attr, attrlen)) {
90a545cc
JM		 1130 switch (attr->rta_type) {
1131 case IFLA_IFNAME:
1132 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1133 break;
1134 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1135 ifname[RTA_PAYLOAD(attr)] = '\0';
1136 break;
1137 case IFLA_MASTER:
97cfcf64 1138 brid = nla_get_u32((struct nlattr *) attr);
f2e90835
JM		 1139 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1140 break;
1141 case IFLA_OPERSTATE:
1142 pos += os_snprintf(pos, end - pos, " operstate=%u",
1143 nla_get_u32((struct nlattr *) attr));
1144 break;
1145 case IFLA_LINKMODE:
1146 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1147 nla_get_u32((struct nlattr *) attr));
90a545cc
JM		 1148 break;
1149 }
3f5285e8
JM		 1150 attr = RTA_NEXT(attr, attrlen);
1151 }
f2e90835
JM		 1152 extra[sizeof(extra) - 1] = '\0';
1153
1154 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1155 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1156 ifi->ifi_flags,
1157 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1158 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1159 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1160 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
97cfcf64 1161
45e3fc72 1162 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
90a545cc 1163
45e3fc72 1164 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
97cfcf64
B		 1165 /* device has been removed from bridge */
1166 char namebuf[IFNAMSIZ];
40e76396
JM		 1167
1168 if (!if_indextoname(brid, namebuf)) {
1169 wpa_printf(MSG_DEBUG,
1170 "nl80211: Could not find bridge ifname for ifindex %u",
1171 brid);
1172 } else {
1173 wpa_printf(MSG_DEBUG,
1174 "nl80211: Remove ifindex %u for bridge %s",
1175 brid, namebuf);
1176 }
732b1d20 1177 del_ifidx(drv, brid, ifi->ifi_index);
97cfcf64 1178 }
45e3fc72
RM		 1179
1180 if (ifi->ifi_family != AF_BRIDGE || !brid)
1181 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1182 ifname);
3f5285e8
JM		 1183}
1184
1185
a1fce391
JM		 1186struct nl80211_get_assoc_freq_arg {
1187 struct wpa_driver_nl80211_data *drv;
1188 unsigned int assoc_freq;
1189 unsigned int ibss_freq;
1190 u8 assoc_bssid[ETH_ALEN];
ed0a4ddc
NW		 1191 u8 assoc_ssid[SSID_MAX_LEN];
1192 u8 assoc_ssid_len;
a1fce391
JM		 1193};
1194
1195static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg)
1196{
1197 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1198 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1199 struct nlattr *bss[NL80211_BSS_MAX + 1];
1200 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
1201 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
1202 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
ed0a4ddc 1203 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
a1fce391
JM		 1204 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
1205 };
1206 struct nl80211_get_assoc_freq_arg *ctx = arg;
1207 enum nl80211_bss_status status;
1208
1209 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1210 genlmsg_attrlen(gnlh, 0), NULL);
1211 if (!tb[NL80211_ATTR_BSS] ||
1212 nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
1213 bss_policy) ||
1214 !bss[NL80211_BSS_STATUS])
1215 return NL_SKIP;
1216
1217 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
1218 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1219 bss[NL80211_BSS_FREQUENCY]) {
1220 ctx->assoc_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1221 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
1222 ctx->assoc_freq);
1223 }
1224 if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
1225 bss[NL80211_BSS_FREQUENCY]) {
1226 ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1227 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
1228 ctx->ibss_freq);
1229 }
1230 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1231 bss[NL80211_BSS_BSSID]) {
1232 os_memcpy(ctx->assoc_bssid,
1233 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
1234 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
1235 MACSTR, MAC2STR(ctx->assoc_bssid));
1236 }
1237
ed0a4ddc
NW		 1238 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1239 bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
1240 const u8 *ie, *ssid;
1241 size_t ie_len;
1242
1243 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1244 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1245 ssid = get_ie(ie, ie_len, WLAN_EID_SSID);
1246 if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) {
1247 ctx->assoc_ssid_len = ssid[1];
1248 os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]);
1249 }
1250 }
1251
a1fce391
JM		 1252 return NL_SKIP;
1253}
1254
1255
ed0a4ddc
NW		 1256int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid)
1257{
1258 struct nl_msg *msg;
1259 int ret;
1260 struct nl80211_get_assoc_freq_arg arg;
1261
1262 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1263 os_memset(&arg, 0, sizeof(arg));
1264 arg.drv = drv;
1265 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1266 &arg);
1267 if (ret == 0) {
1268 os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len);
1269 return arg.assoc_ssid_len;
1270 }
1271 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)",
1272 ret, strerror(-ret));
1273 return ret;
1274}
1275
1276
f3407c66 1277unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
f5a8d422
JM		 1278{
1279 struct nl_msg *msg;
1280 int ret;
a1fce391 1281 struct nl80211_get_assoc_freq_arg arg;
f5a8d422 1282
9725b784 1283 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422 1284 os_memset(&arg, 0, sizeof(arg));
f5a8d422 1285 arg.drv = drv;
a1fce391
JM		 1286 ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
1287 &arg);
f5a8d422 1288 if (ret == 0) {
c7caac56
JM		 1289 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1290 arg.ibss_freq : arg.assoc_freq;
f5a8d422 1291 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
c7caac56
JM		 1292 "associated BSS from scan results: %u MHz", freq);
1293 if (freq)
1294 drv->assoc_freq = freq;
30158a0d 1295 return drv->assoc_freq;
f5a8d422
JM		 1296 }
1297 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1298 "(%s)", ret, strerror(-ret));
f5a8d422
JM		 1299 return drv->assoc_freq;
1300}
1301
1302
60a972a6
JM		 1303static int get_link_signal(struct nl_msg *msg, void *arg)
1304{
1305 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1306 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1307 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1308 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1309 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 1310 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
74fa78b2 1311 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 1312 };
7ee35bf3
PS		 1313 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1314 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1315 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1316 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1317 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1318 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1319 };
1c5c7273 1320 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1321
1322 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1323 genlmsg_attrlen(gnlh, 0), NULL);
1324 if (!tb[NL80211_ATTR_STA_INFO] ||
1325 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1326 tb[NL80211_ATTR_STA_INFO], policy))
1327 return NL_SKIP;
1328 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1329 return NL_SKIP;
1330
7ee35bf3
PS		 1331 sig_change->current_signal =
1332 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1333
95783298
AO		 1334 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1335 sig_change->avg_signal =
1336 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1337 else
1338 sig_change->avg_signal = 0;
1339
74fa78b2
JM		 1340 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1341 sig_change->avg_beacon_signal =
1342 (s8)
1343 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1344 else
1345 sig_change->avg_beacon_signal = 0;
1346
7ee35bf3
PS		 1347 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1348 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1349 sinfo[NL80211_STA_INFO_TX_BITRATE],
1350 rate_policy)) {
1351 sig_change->current_txrate = 0;
1352 } else {
1353 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1354 sig_change->current_txrate =
1355 nla_get_u16(rinfo[
1356 NL80211_RATE_INFO_BITRATE]) * 100;
1357 }
1358 }
1359 }
1360
60a972a6
JM		 1361 return NL_SKIP;
1362}
1363
1364
f3407c66
JM		 1365int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1366 struct wpa_signal_info *sig)
60a972a6
JM		 1367{
1368 struct nl_msg *msg;
1369
7ee35bf3
PS		 1370 sig->current_signal = -9999;
1371 sig->current_txrate = 0;
60a972a6 1372
9725b784 1373 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
a862e4a3
JM		 1374 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1375 nlmsg_free(msg);
1376 return -ENOBUFS;
1377 }
60a972a6
JM		 1378
1379 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
60a972a6
JM		 1380}
1381
1382
7ee35bf3
PS		 1383static int get_link_noise(struct nl_msg *msg, void *arg)
1384{
1385 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1386 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1387 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1388 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1389 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1390 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1391 };
1c5c7273 1392 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 1393
1394 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1395 genlmsg_attrlen(gnlh, 0), NULL);
1396
1397 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1398 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1399 return NL_SKIP;
1400 }
1401
1402 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1403 tb[NL80211_ATTR_SURVEY_INFO],
1404 survey_policy)) {
1405 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1406 "attributes!");
1407 return NL_SKIP;
1408 }
1409
1410 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1411 return NL_SKIP;
1412
1413 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1414 sig_change->frequency)
1415 return NL_SKIP;
1416
1417 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1418 return NL_SKIP;
1419
1420 sig_change->current_noise =
1421 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1422
1423 return NL_SKIP;
1424}
1425
1426
f3407c66
JM		 1427int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1428 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 1429{
1430 struct nl_msg *msg;
1431
1432 sig_change->current_noise = 9999;
1433 sig_change->frequency = drv->assoc_freq;
1434
9725b784 1435 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3 1436 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
7ee35bf3
PS		 1437}
1438
1439
97865538 1440static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 1441 void *handle)
97865538 1442{
a4ae123c 1443 struct nl_cb *cb = eloop_ctx;
34068ac3 1444 int res;
97865538 1445
cc2ada86 1446 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 1447
34068ac3 1448 res = nl_recvmsgs(handle, cb);
d3d04831 1449 if (res < 0) {
34068ac3
JM		 1450 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1451 __func__, res);
1452 }
97865538
JM		 1453}
1454
1455
6d158490
LR		 1456/**
1457 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1458 * @priv: driver_nl80211 private data
1459 * @alpha2_arg: country to which to switch to
1460 * Returns: 0 on success, -1 on failure
1461 *
1462 * This asks nl80211 to set the regulatory domain for given
1463 * country ISO / IEC alpha2.
1464 */
1465static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1466{
a2e40bb6
FF		 1467 struct i802_bss *bss = priv;
1468 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 1469 char alpha2[3];
1470 struct nl_msg *msg;
1471
1472 msg = nlmsg_alloc();
1473 if (!msg)
e785c2ba 1474 return -ENOMEM;
6d158490
LR		 1475
1476 alpha2[0] = alpha2_arg[0];
1477 alpha2[1] = alpha2_arg[1];
1478 alpha2[2] = '\0';
1479
a862e4a3
JM		 1480 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1481 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1482 nlmsg_free(msg);
1483 return -EINVAL;
1484 }
6d158490
LR		 1485 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1486 return -EINVAL;
1487 return 0;
6d158490
LR		 1488}
1489
1490
f0793bf1
JM		 1491static int nl80211_get_country(struct nl_msg *msg, void *arg)
1492{
1493 char *alpha2 = arg;
1494 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1495 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1496
1497 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1498 genlmsg_attrlen(gnlh, 0), NULL);
1499 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1500 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1501 return NL_SKIP;
1502 }
1503 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1504 return NL_SKIP;
1505}
1506
1507
1508static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1509{
1510 struct i802_bss *bss = priv;
1511 struct wpa_driver_nl80211_data *drv = bss->drv;
1512 struct nl_msg *msg;
1513 int ret;
1514
1515 msg = nlmsg_alloc();
1516 if (!msg)
1517 return -ENOMEM;
1518
1519 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1520 alpha2[0] = '\0';
1521 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1522 if (!alpha2[0])
1523 ret = -1;
1524
1525 return ret;
1526}
1527
1528
2a7b66f5
BG		 1529static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1530{
d6c9aab8
JB		 1531 int ret;
1532
2a7b66f5
BG		 1533 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1534 if (global->nl_cb == NULL) {
1535 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1536 "callbacks");
1537 return -1;
1538 }
1539
481234cf
JM		 1540 global->nl = nl_create_handle(global->nl_cb, "nl");
1541 if (global->nl == NULL)
d6c9aab8 1542 goto err;
276e2d67 1543
481234cf 1544 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 1545 if (global->nl80211_id < 0) {
276e2d67
BG		 1546 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1547 "found");
d6c9aab8 1548 goto err;
276e2d67
BG		 1549 }
1550
481234cf
JM		 1551 global->nl_event = nl_create_handle(global->nl_cb, "event");
1552 if (global->nl_event == NULL)
d6c9aab8 1553 goto err;
9fff9fdc 1554
d6c9aab8 1555 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 1556 if (ret >= 0)
481234cf 1557 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 1558 if (ret < 0) {
1559 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1560 "membership for scan events: %d (%s)",
1561 ret, strerror(-ret));
d6c9aab8 1562 goto err;
97865538 1563 }
c2a04078 1564
d6c9aab8 1565 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 1566 if (ret >= 0)
481234cf 1567 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 1568 if (ret < 0) {
1569 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1570 "membership for mlme events: %d (%s)",
1571 ret, strerror(-ret));
d6c9aab8 1572 goto err;
c2a04078 1573 }
c2a04078 1574
d6c9aab8 1575 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 1576 if (ret >= 0)
481234cf 1577 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 1578 if (ret < 0) {
1579 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1580 "membership for regulatory events: %d (%s)",
1581 ret, strerror(-ret));
1582 /* Continue without regulatory events */
1583 }
1584
17b79e65
JM		 1585 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1586 if (ret >= 0)
1587 ret = nl_socket_add_membership(global->nl_event, ret);
1588 if (ret < 0) {
1589 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1590 "membership for vendor events: %d (%s)",
1591 ret, strerror(-ret));
1592 /* Continue without vendor events */
1593 }
1594
d6c9aab8
JB		 1595 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1596 no_seq_check, NULL);
1597 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1598 process_global_event, global);
1599
5f65e9f7
JB		 1600 nl80211_register_eloop_read(&global->nl_event,
1601 wpa_driver_nl80211_event_receive,
1602 global->nl_cb);
d6c9aab8
JB		 1603
1604 return 0;
1605
1606err:
1607 nl_destroy_handles(&global->nl_event);
1608 nl_destroy_handles(&global->nl);
1609 nl_cb_put(global->nl_cb);
671a5039 1610 global->nl_cb = NULL;
d6c9aab8
JB		 1611 return -1;
1612}
1613
1614
f51f54a0
JM		 1615static void nl80211_check_global(struct nl80211_global *global)
1616{
1617 struct nl_handle *handle;
1618 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1619 int ret;
1620 unsigned int i;
1621
1622 /*
1623 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1624 * and all registration having been cleared.
1625 */
1626 handle = (void *) (((intptr_t) global->nl_event) ^
1627 ELOOP_SOCKET_INVALID);
1628
1629 for (i = 0; groups[i]; i++) {
1630 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1631 if (ret >= 0)
1632 ret = nl_socket_add_membership(handle, ret);
1633 if (ret < 0) {
1634 wpa_printf(MSG_INFO,
1635 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1636 groups[i], ret, strerror(-ret));
1637 }
1638 }
1639}
1640
1641
8401a6b0
JM		 1642static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1643{
6da504a1
IP		 1644 struct wpa_driver_nl80211_data *drv = ctx;
1645
8401a6b0 1646 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
6da504a1 1647
a63063b4 1648 /*
6da504a1
IP		 1649 * rtnetlink ifdown handler will report interfaces other than the P2P
1650 * Device interface as disabled.
a63063b4 1651 */
6da504a1
IP		 1652 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1653 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
8401a6b0
JM		 1654}
1655
1656
1657static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1658{
1659 struct wpa_driver_nl80211_data *drv = ctx;
1660 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 1661 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 1662 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1663 "after rfkill unblock");
1664 return;
1665 }
e8dc205f
AO		 1666
1667 if (is_p2p_net_interface(drv->nlmode))
1668 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1669
6da504a1
IP		 1670 /*
1671 * rtnetlink ifup handler will report interfaces other than the P2P
1672 * Device interface as enabled.
1673 */
1674 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
1675 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
8401a6b0
JM		 1676}
1677
1678
32ab4855
JB		 1679static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1680 void *eloop_ctx,
1681 void *handle)
1682{
1683 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1684 u8 data[2048];
1685 struct msghdr msg;
1686 struct iovec entry;
cad0f50e 1687 u8 control[512];
32ab4855
JB		 1688 struct cmsghdr *cmsg;
1689 int res, found_ee = 0, found_wifi = 0, acked = 0;
1690 union wpa_event_data event;
1691
1692 memset(&msg, 0, sizeof(msg));
1693 msg.msg_iov = &entry;
1694 msg.msg_iovlen = 1;
1695 entry.iov_base = data;
1696 entry.iov_len = sizeof(data);
1697 msg.msg_control = &control;
1698 msg.msg_controllen = sizeof(control);
1699
1700 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1701 /* if error or not fitting 802.3 header, return */
1702 if (res < 14)
1703 return;
1704
1705 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1706 {
1707 if (cmsg->cmsg_level == SOL_SOCKET &&
1708 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1709 int *ack;
1710
1711 found_wifi = 1;
1712 ack = (void *)CMSG_DATA(cmsg);
1713 acked = *ack;
1714 }
1715
1716 if (cmsg->cmsg_level == SOL_PACKET &&
1717 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1718 struct sock_extended_err *err =
1719 (struct sock_extended_err *)CMSG_DATA(cmsg);
1720
1721 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1722 found_ee = 1;
1723 }
1724 }
1725
1726 if (!found_ee || !found_wifi)
1727 return;
1728
1729 memset(&event, 0, sizeof(event));
1730 event.eapol_tx_status.dst = data;
1731 event.eapol_tx_status.data = data + 14;
1732 event.eapol_tx_status.data_len = res - 14;
1733 event.eapol_tx_status.ack = acked;
1734 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1735}
1736
1737
cc7a48d1
JB		 1738static int nl80211_init_bss(struct i802_bss *bss)
1739{
1740 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1741 if (!bss->nl_cb)
1742 return -1;
1743
1744 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1745 no_seq_check, NULL);
1746 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1747 process_bss_event, bss);
1748
1749 return 0;
1750}
1751
1752
1753static void nl80211_destroy_bss(struct i802_bss *bss)
1754{
1755 nl_cb_put(bss->nl_cb);
1756 bss->nl_cb = NULL;
1757}
1758
1759
0e92fb8f
JB		 1760static void
1761wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
1762{
1763 struct rfkill_config *rcfg;
1764
1765 if (drv->rfkill)
1766 return;
1767
1768 rcfg = os_zalloc(sizeof(*rcfg));
1769 if (!rcfg)
1770 return;
1771
1772 rcfg->ctx = drv;
1773
1774 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1775 * not associated with a netdev, so use the name of some other interface
1776 * sharing the same wiphy as the P2P Device interface.
1777 *
1778 * Note: This is valid, as a P2P Device interface is always dynamically
1779 * created and is created only once another wpa_s interface was added.
1780 */
1781 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
1782 struct nl80211_global *global = drv->global;
1783 struct wpa_driver_nl80211_data *tmp1;
1784
1785 dl_list_for_each(tmp1, &global->interfaces,
1786 struct wpa_driver_nl80211_data, list) {
1787 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
1788 !tmp1->rfkill)
1789 continue;
1790
1791 wpa_printf(MSG_DEBUG,
1792 "nl80211: Use (%s) to initialize P2P Device rfkill",
1793 tmp1->first_bss->ifname);
1794 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
1795 sizeof(rcfg->ifname));
1796 break;
1797 }
1798 } else {
1799 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
1800 sizeof(rcfg->ifname));
1801 }
1802
1803 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1804 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1805 drv->rfkill = rfkill_init(rcfg);
1806 if (!drv->rfkill) {
1807 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1808 os_free(rcfg);
1809 }
1810}
1811
1812
0d547d5f
JM		 1813static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1814 void *global_priv, int hostapd,
0ecff8d7
JM		 1815 const u8 *set_addr,
1816 const char *driver_params)
9fff9fdc 1817{
9fff9fdc 1818 struct wpa_driver_nl80211_data *drv;
a2e40bb6 1819 struct i802_bss *bss;
9fff9fdc 1820
a5c696ad
JM		 1821 if (global_priv == NULL)
1822 return NULL;
9fff9fdc
JM		 1823 drv = os_zalloc(sizeof(*drv));
1824 if (drv == NULL)
1825 return NULL;
f2ed8023 1826 drv->global = global_priv;
9fff9fdc 1827 drv->ctx = ctx;
0d547d5f
JM		 1828 drv->hostapd = !!hostapd;
1829 drv->eapol_sock = -1;
64ae2447
JM		 1830
1831 /*
1832 * There is no driver capability flag for this, so assume it is
1833 * supported and disable this on first attempt to use if the driver
1834 * rejects the command due to missing support.
1835 */
1836 drv->set_rekey_offload = 1;
1837
0d547d5f
JM		 1838 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1839 drv->if_indices = drv->default_if_indices;
732b1d20 1840 drv->if_indices_reason = drv->default_if_indices_reason;
834ee56f
KP		 1841
1842 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1843 if (!drv->first_bss) {
1844 os_free(drv);
1845 return NULL;
1846 }
1847 bss = drv->first_bss;
a2e40bb6 1848 bss->drv = drv;
a5e1eb20
SE		 1849 bss->ctx = ctx;
1850
a2e40bb6 1851 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 1852 drv->monitor_ifidx = -1;
1853 drv->monitor_sock = -1;
d12dab4c 1854 drv->eapol_tx_sock = -1;
b1f625e0 1855 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 1856
cc7a48d1
JB		 1857 if (nl80211_init_bss(bss))
1858 goto failed;
1859
0ecff8d7 1860 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
bbaf0837 1861 goto failed;
7524cfb1 1862
d12dab4c 1863 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 1864 if (drv->eapol_tx_sock < 0)
1865 goto failed;
1866
1867 if (drv->data_tx_status) {
1868 int enabled = 1;
1869
1870 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1871 &enabled, sizeof(enabled)) < 0) {
1872 wpa_printf(MSG_DEBUG,
1873 "nl80211: wifi status sockopt failed\n");
1874 drv->data_tx_status = 0;
a11241fa
JB		 1875 if (!drv->use_monitor)
1876 drv->capa.flags &=
1877 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 1878 } else {
1879 eloop_register_read_sock(drv->eapol_tx_sock,
1880 wpa_driver_nl80211_handle_eapol_tx_status,
1881 drv, NULL);
1882 }
1883 }
f10bfc9a 1884
dac12351 1885 if (drv->global) {
f51f54a0 1886 nl80211_check_global(drv->global);
c4bb8817 1887 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 1888 drv->in_interface_list = 1;
1889 }
c4bb8817 1890
a2e40bb6 1891 return bss;
7524cfb1 1892
bbaf0837 1893failed:
dac12351 1894 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 1895 return NULL;
1896}
1897
1898
0d547d5f
JM		 1899/**
1900 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1901 * @ctx: context to be used when calling wpa_supplicant functions,
1902 * e.g., wpa_supplicant_event()
1903 * @ifname: interface name, e.g., wlan0
1904 * @global_priv: private driver global data from global_init()
1905 * Returns: Pointer to private data, %NULL on failure
1906 */
1907static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1908 void *global_priv)
1909{
0ecff8d7
JM		 1910 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1911 NULL);
0d547d5f
JM		 1912}
1913
1914
a11241fa 1915static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 1916 struct nl_handle *nl_handle,
bd94971e 1917 u16 type, const u8 *match, size_t match_len)
58f6fbe0 1918{
a11241fa 1919 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 1920 struct nl_msg *msg;
a862e4a3 1921 int ret;
880de885 1922 char buf[30];
58f6fbe0 1923
880de885
JM		 1924 buf[0] = '\0';
1925 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
dedfa440
PF		 1926 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1927 type, fc2str(type), nl_handle, buf);
36488c05 1928
56f77852 1929 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
a862e4a3
JM		 1930 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1931 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1932 nlmsg_free(msg);
1933 return -1;
1934 }
58f6fbe0 1935
d6c9aab8 1936 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0 1937 if (ret) {
5582a5d1
JB		 1938 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1939 "failed (type=%u): ret=%d (%s)",
1940 type, ret, strerror(-ret));
1941 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0 1942 match, match_len);
58f6fbe0 1943 }
58f6fbe0
JM		 1944 return ret;
1945}
1946
1947
a11241fa
JB		 1948static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1949{
481234cf 1950 if (bss->nl_mgmt) {
a11241fa 1951 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 1952 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 1953 return -1;
1954 }
1955
ce20a370 1956 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
481234cf 1957 if (bss->nl_mgmt == NULL)
a11241fa
JB		 1958 return -1;
1959
a11241fa
JB		 1960 return 0;
1961}
1962
1963
5f65e9f7
JB		 1964static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1965{
1966 nl80211_register_eloop_read(&bss->nl_mgmt,
1967 wpa_driver_nl80211_event_receive,
1968 bss->nl_cb);
1969}
1970
1971
a11241fa 1972static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 1973 const u8 *match, size_t match_len)
1974{
1975 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 1976 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 1977 type, match, match_len);
bd94971e
JB		 1978}
1979
1980
a11241fa 1981static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 1982{
a11241fa 1983 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 1984 int ret = 0;
a11241fa
JB		 1985
1986 if (nl80211_alloc_mgmt_handle(bss))
1987 return -1;
36488c05
JM		 1988 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
1989 "handle %p", bss->nl_mgmt);
a11241fa 1990
e8d1168b
JB		 1991 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
1992 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1993
1994 /* register for any AUTH message */
1995 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
1996 }
1997
56f5af48
JM		 1998#ifdef CONFIG_INTERWORKING
1999 /* QoS Map Configure */
2000 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 2001 ret = -1;
56f5af48 2002#endif /* CONFIG_INTERWORKING */
4fe9fa0d 2003#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 2004 /* GAS Initial Request */
a11241fa 2005 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 2006 ret = -1;
046b26a2 2007 /* GAS Initial Response */
a11241fa 2008 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 2009 ret = -1;
18708aad 2010 /* GAS Comeback Request */
a11241fa 2011 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 2012 ret = -1;
18708aad 2013 /* GAS Comeback Response */
a11241fa 2014 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 2015 ret = -1;
c5a64e2d
JM		 2016 /* Protected GAS Initial Request */
2017 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
2018 ret = -1;
2019 /* Protected GAS Initial Response */
2020 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
2021 ret = -1;
2022 /* Protected GAS Comeback Request */
2023 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
2024 ret = -1;
2025 /* Protected GAS Comeback Response */
2026 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
2027 ret = -1;
4fe9fa0d
JM		 2028#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
2029#ifdef CONFIG_P2P
046b26a2 2030 /* P2P Public Action */
a11241fa 2031 if (nl80211_register_action_frame(bss,
046b26a2
JM		 2032 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
2033 6) < 0)
6f06766e 2034 ret = -1;
046b26a2 2035 /* P2P Action */
a11241fa 2036 if (nl80211_register_action_frame(bss,
046b26a2
JM		 2037 (u8 *) "\x7f\x50\x6f\x9a\x09",
2038 5) < 0)
6f06766e 2039 ret = -1;
046b26a2 2040#endif /* CONFIG_P2P */
7d878ca7
JM		 2041#ifdef CONFIG_IEEE80211W
2042 /* SA Query Response */
a11241fa 2043 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 2044 ret = -1;
7d878ca7 2045#endif /* CONFIG_IEEE80211W */
35287637
AN		 2046#ifdef CONFIG_TDLS
2047 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
2048 /* TDLS Discovery Response */
aa543c0c 2049 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 2050 0)
6f06766e 2051 ret = -1;
35287637
AN		 2052 }
2053#endif /* CONFIG_TDLS */
46ab9b8c
AN		 2054#ifdef CONFIG_FST
2055 /* FST Action frames */
2056 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2057 ret = -1;
2058#endif /* CONFIG_FST */
046b26a2 2059
7b90c16a 2060 /* FT Action frames */
a11241fa 2061 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 2062 ret = -1;
7b90c16a
JM		 2063 else
2064 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
2065 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2066
71269b37 2067 /* WNM - BSS Transition Management Request */
a11241fa 2068 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 2069 ret = -1;
bd896433
JM		 2070 /* WNM-Sleep Mode Response */
2071 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 2072 ret = -1;
a11241fa 2073
95a3ea94
JM		 2074#ifdef CONFIG_HS20
2075 /* WNM-Notification */
2076 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
3ee18569 2077 ret = -1;
95a3ea94
JM		 2078#endif /* CONFIG_HS20 */
2079
dfa87878
MB		 2080 /* WMM-AC ADDTS Response */
2081 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
730a0d16 2082 ret = -1;
dfa87878
MB		 2083
2084 /* WMM-AC DELTS */
2085 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
730a0d16 2086 ret = -1;
dfa87878 2087
2526ccd9
AK		 2088 /* Radio Measurement - Neighbor Report Response */
2089 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
2090 ret = -1;
2091
864b9522
DS		 2092 /* Radio Measurement - Radio Measurement Request */
2093 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2094 ret = -1;
2095
7dc03388
AO		 2096 /* Radio Measurement - Link Measurement Request */
2097 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2098 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2099 ret = -1;
2100
5f65e9f7
JB		 2101 nl80211_mgmt_handle_register_eloop(bss);
2102
6f06766e 2103 return ret;
a11241fa
JB		 2104}
2105
2106
afb0550a
BC		 2107static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2108{
2109 int ret = 0;
2110
2111 if (nl80211_alloc_mgmt_handle(bss))
2112 return -1;
2113
2114 wpa_printf(MSG_DEBUG,
2115 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2116 bss->nl_mgmt);
2117
2118 /* Auth frames for mesh SAE */
2119 if (nl80211_register_frame(bss, bss->nl_mgmt,
2120 (WLAN_FC_TYPE_MGMT << 2) |
2121 (WLAN_FC_STYPE_AUTH << 4),
2122 NULL, 0) < 0)
2123 ret = -1;
2124
2125 /* Mesh peering open */
2126 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2127 ret = -1;
2128 /* Mesh peering confirm */
2129 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2130 ret = -1;
2131 /* Mesh peering close */
2132 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2133 ret = -1;
2134
2135 nl80211_mgmt_handle_register_eloop(bss);
2136
2137 return ret;
2138}
2139
2140
02bb32c3
JB		 2141static int nl80211_register_spurious_class3(struct i802_bss *bss)
2142{
02bb32c3 2143 struct nl_msg *msg;
a862e4a3 2144 int ret;
02bb32c3 2145
13f83980
JM		 2146 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2147 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 2148 if (ret) {
2149 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2150 "failed: ret=%d (%s)",
2151 ret, strerror(-ret));
02bb32c3 2152 }
02bb32c3
JB		 2153 return ret;
2154}
2155
2156
4d916ed6
KV		 2157static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2158{
2159 int ret = 0;
2160
2161 /* Public Action frames */
2162 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2163 ret = -1;
2164 /* RRM Measurement Report */
2165 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2166 ret = -1;
e4ec6bbf
JM		 2167 /* RRM Link Measurement Report */
2168 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0)
2169 ret = -1;
4d916ed6
KV		 2170 /* RRM Neighbor Report Request */
2171 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2172 ret = -1;
2173 /* FT Action frames */
2174 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2175 ret = -1;
2176#ifdef CONFIG_IEEE80211W
2177 /* SA Query */
2178 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2179 ret = -1;
2180#endif /* CONFIG_IEEE80211W */
2181 /* Protected Dual of Public Action */
2182 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2183 ret = -1;
2184 /* WNM */
2185 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2186 ret = -1;
2187 /* WMM */
2188 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2189 ret = -1;
2190#ifdef CONFIG_FST
2191 /* FST Action frames */
2192 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2193 ret = -1;
2194#endif /* CONFIG_FST */
2195 /* Vendor-specific */
2196 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2197 ret = -1;
2198
2199 return ret;
2200}
2201
2202
a11241fa
JB		 2203static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2204{
2205 static const int stypes[] = {
2206 WLAN_FC_STYPE_AUTH,
2207 WLAN_FC_STYPE_ASSOC_REQ,
2208 WLAN_FC_STYPE_REASSOC_REQ,
2209 WLAN_FC_STYPE_DISASSOC,
2210 WLAN_FC_STYPE_DEAUTH,
a11241fa
JB		 2211 WLAN_FC_STYPE_PROBE_REQ,
2212/* Beacon doesn't work as mac80211 doesn't currently allow
2213 * it, but it wouldn't really be the right thing anyway as
2214 * it isn't per interface ... maybe just dump the scan
2215 * results periodically for OLBC?
2216 */
0e80ea2c 2217 /* WLAN_FC_STYPE_BEACON, */
a11241fa
JB		 2218 };
2219 unsigned int i;
2220
2221 if (nl80211_alloc_mgmt_handle(bss))
71269b37 2222 return -1;
36488c05
JM		 2223 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2224 "handle %p", bss->nl_mgmt);
71269b37 2225
e7ecab4a 2226 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 2227 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 2228 (WLAN_FC_TYPE_MGMT << 2) |
2229 (stypes[i] << 4),
2230 NULL, 0) < 0) {
2231 goto out_err;
2232 }
2233 }
2234
4d916ed6
KV		 2235 if (nl80211_action_subscribe_ap(bss))
2236 goto out_err;
2237
02bb32c3
JB		 2238 if (nl80211_register_spurious_class3(bss))
2239 goto out_err;
2240
e32ad281
JB		 2241 if (nl80211_get_wiphy_data_ap(bss) == NULL)
2242 goto out_err;
2243
5f65e9f7 2244 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 2245 return 0;
a11241fa
JB		 2246
2247out_err:
a11241fa
JB		 2248 nl_destroy_handles(&bss->nl_mgmt);
2249 return -1;
2250}
2251
2252
a6cc0602
JM		 2253static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2254{
2255 if (nl80211_alloc_mgmt_handle(bss))
2256 return -1;
2257 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2258 "handle %p (device SME)", bss->nl_mgmt);
2259
4d916ed6 2260 if (nl80211_action_subscribe_ap(bss))
a6cc0602
JM		 2261 goto out_err;
2262
5f65e9f7 2263 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 2264 return 0;
2265
2266out_err:
a6cc0602
JM		 2267 nl_destroy_handles(&bss->nl_mgmt);
2268 return -1;
2269}
2270
2271
36488c05 2272static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 2273{
481234cf 2274 if (bss->nl_mgmt == NULL)
a11241fa 2275 return;
36488c05
JM		 2276 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2277 "(%s)", bss->nl_mgmt, reason);
5f65e9f7 2278 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
e32ad281
JB		 2279
2280 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 2281}
2282
2283
8401a6b0
JM		 2284static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2285{
2286 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2287}
2288
2289
eb4582f2
AS		 2290static void nl80211_del_p2pdev(struct i802_bss *bss)
2291{
eb4582f2
AS		 2292 struct nl_msg *msg;
2293 int ret;
2294
a3249fdf
JM		 2295 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2296 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
eb4582f2
AS		 2297
2298 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2299 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2300 strerror(-ret));
eb4582f2
AS		 2301}
2302
2303
eb4582f2 2304static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483 2305{
f632e483 2306 struct nl_msg *msg;
a862e4a3 2307 int ret;
f632e483 2308
a3249fdf
JM		 2309 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2310 NL80211_CMD_STOP_P2P_DEVICE);
2311 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
f632e483 2312
eb4582f2
AS		 2313 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2314 start ? "Start" : "Stop",
2315 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 2316 strerror(-ret));
f632e483
AS		 2317 return ret;
2318}
f632e483
AS		 2319
2320
91724d6f
AS		 2321static int i802_set_iface_flags(struct i802_bss *bss, int up)
2322{
2323 enum nl80211_iftype nlmode;
2324
2325 nlmode = nl80211_get_ifmode(bss);
2326 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2327 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2328 bss->ifname, up);
2329 }
2330
2331 /* P2P Device has start/stop which is equivalent */
2332 return nl80211_set_p2pdev(bss, up);
2333}
2334
2335
1db718b3
JM		 2336#ifdef CONFIG_TESTING_OPTIONS
2337static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2338{
2339 /* struct wpa_driver_nl80211_data *drv = arg; */
2340 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2341 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2342
2343
2344 wpa_printf(MSG_DEBUG,
2345 "nl80211: QCA vendor test command response received");
2346
2347 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2348 genlmsg_attrlen(gnlh, 0), NULL);
2349 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2350 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2351 return NL_SKIP;
2352 }
2353
2354 wpa_hexdump(MSG_DEBUG,
2355 "nl80211: Received QCA vendor test command response",
2356 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2357 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2358
2359 return NL_SKIP;
2360}
2361#endif /* CONFIG_TESTING_OPTIONS */
2362
2363
2364static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2365{
2366#ifdef CONFIG_TESTING_OPTIONS
2367 struct nl_msg *msg;
2368 struct nlattr *params;
2369 int ret;
2370
2371 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2372 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2373 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2374 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2375 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2376 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2377 nlmsg_free(msg);
2378 return;
2379 }
2380 nla_nest_end(msg, params);
2381
2382 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2383 wpa_printf(MSG_DEBUG,
2384 "nl80211: QCA vendor test command returned %d (%s)",
2385 ret, strerror(-ret));
2386#endif /* CONFIG_TESTING_OPTIONS */
2387}
2388
2389
362f781e 2390static int
0d547d5f 2391wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
0ecff8d7
JM		 2392 const u8 *set_addr, int first,
2393 const char *driver_params)
7524cfb1 2394{
834ee56f 2395 struct i802_bss *bss = drv->first_bss;
8401a6b0 2396 int send_rfkill_event = 0;
0d547d5f 2397 enum nl80211_iftype nlmode;
a2e40bb6
FF		 2398
2399 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 2400 bss->ifindex = drv->ifindex;
2401 bss->wdev_id = drv->global->if_add_wdevid;
2402 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2403
60b13c20
IP		 2404 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2405 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 2406 drv->global->if_add_wdevid_set = 0;
2407
bf144cf6
AP		 2408 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2409 bss->static_ap = 1;
2410
ef3866ab
IP		 2411 if (first &&
2412 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2413 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2414 drv->start_iface_up = 1;
2415
f632e483
AS		 2416 if (wpa_driver_nl80211_capa(drv))
2417 return -1;
a87c9d96 2418
0ecff8d7
JM		 2419 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2420 return -1;
2421
5fbcb45d
AS		 2422 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2423 bss->ifname, drv->phyname);
2424
0d547d5f
JM		 2425 if (set_addr &&
2426 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2427 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2428 set_addr)))
2429 return -1;
2430
49b4b205
JM		 2431 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2432 drv->start_mode_ap = 1;
2433
bf144cf6 2434 if (drv->hostapd || bss->static_ap)
0d547d5f 2435 nlmode = NL80211_IFTYPE_AP;
4fe726e2
FF		 2436 else if (bss->if_dynamic ||
2437 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
8e12685c 2438 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 2439 else
2440 nlmode = NL80211_IFTYPE_STATION;
f632e483 2441
8e12685c 2442 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 2443 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 2444 return -1;
a87c9d96
JM		 2445 }
2446
8c06db70 2447 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 2448 nl80211_get_macaddr(bss);
f632e483 2449
0e92fb8f
JB		 2450 wpa_driver_nl80211_drv_init_rfkill(drv);
2451
8c06db70
MB		 2452 if (!rfkill_is_blocked(drv->rfkill)) {
2453 int ret = i802_set_iface_flags(bss, 1);
2454 if (ret) {
8401a6b0
JM		 2455 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2456 "interface '%s' UP", bss->ifname);
8c06db70 2457 return ret;
8401a6b0 2458 }
e8dc205f
AO		 2459
2460 if (is_p2p_net_interface(nlmode))
2461 nl80211_disable_11b_rates(bss->drv,
2462 bss->drv->ifindex, 1);
2463
8c06db70
MB		 2464 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2465 return ret;
2466 } else {
2467 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2468 "interface '%s' due to rfkill", bss->ifname);
6da504a1
IP		 2469 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
2470 drv->if_disabled = 1;
2471
8c06db70 2472 send_rfkill_event = 1;
362f781e 2473 }
3f5285e8 2474
6da504a1 2475 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
0d547d5f
JM		 2476 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2477 1, IF_OPER_DORMANT);
362f781e 2478
6da504a1
IP		 2479 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2480 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2481 bss->addr))
2482 return -1;
2483 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2484 }
f2ed8023 2485
8401a6b0
JM		 2486 if (send_rfkill_event) {
2487 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2488 drv, drv->ctx);
2489 }
2490
1db718b3
JM		 2491 if (drv->vendor_cmd_test_avail)
2492 qca_vendor_test(drv);
2493
362f781e 2494 return 0;
3f5285e8
JM		 2495}
2496
2497
8a27af5c
JM		 2498static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
2499{
2500 struct nl_msg *msg;
2501
08e55ebb
JM		 2502 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2503 drv->ifindex);
9725b784 2504 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
8a27af5c 2505 return send_and_recv_msgs(drv, msg, NULL, NULL);
8a27af5c 2506}
8a27af5c
JM		 2507
2508
3f5285e8 2509/**
7e5ba1b9 2510 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 2511 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 2512 *
2513 * Shut down driver interface and processing of driver events. Free
2514 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2515 */
9ebce9c5 2516static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 2517{
a2e40bb6 2518 struct wpa_driver_nl80211_data *drv = bss->drv;
cc9a2575 2519 unsigned int i;
3f5285e8 2520
3e208481
JM		 2521 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2522 bss->ifname, drv->disabled_11b_rates);
2523
873d0fcf 2524 bss->in_deinit = 1;
32ab4855
JB		 2525 if (drv->data_tx_status)
2526 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 2527 if (drv->eapol_tx_sock >= 0)
2528 close(drv->eapol_tx_sock);
f10bfc9a 2529
481234cf 2530 if (bss->nl_preq)
5582a5d1 2531 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 2532 if (bss->added_if_into_bridge) {
c81eff1a
BG		 2533 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2534 bss->ifname) < 0)
94627f6c
JM		 2535 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2536 "interface %s from bridge %s: %s",
e17a2477 2537 bss->ifname, bss->brname, strerror(errno));
97ed9a06 2538 if (drv->rtnl_sk)
ca3c6b4d 2539 nl80211_handle_destroy(drv->rtnl_sk);
94627f6c 2540 }
e17a2477 2541 if (bss->added_bridge) {
f2535da8
JM		 2542 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2543 0) < 0)
2544 wpa_printf(MSG_INFO,
2545 "nl80211: Could not set bridge %s down",
2546 bss->brname);
c81eff1a 2547 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 2548 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2549 "bridge %s: %s",
e17a2477 2550 bss->brname, strerror(errno));
94627f6c
JM		 2551 }
2552
460456f8 2553 nl80211_remove_monitor_interface(drv);
8a27af5c 2554
b1f625e0 2555 if (is_ap_interface(drv->nlmode))
8a27af5c 2556 wpa_driver_nl80211_del_beacon(drv);
0915d02c 2557
bbaf0837
JM		 2558 if (drv->eapol_sock >= 0) {
2559 eloop_unregister_read_sock(drv->eapol_sock);
2560 close(drv->eapol_sock);
2561 }
2562
2563 if (drv->if_indices != drv->default_if_indices)
2564 os_free(drv->if_indices);
3f5285e8 2565
732b1d20
MB		 2566 if (drv->if_indices_reason != drv->default_if_indices_reason)
2567 os_free(drv->if_indices_reason);
2568
b3af99d2 2569 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 2570 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2571
36d84860
BG		 2572 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2573 IF_OPER_UP);
e390df05 2574 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
8401a6b0 2575 rfkill_deinit(drv->rfkill);
3f5285e8 2576
bbaf0837
JM		 2577 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2578
146fa9b3
JM		 2579 if (!drv->start_iface_up)
2580 (void) i802_set_iface_flags(bss, 0);
fee354c7
JM		 2581
2582 if (drv->addr_changed) {
93da0498
JM		 2583 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2584 0) < 0) {
2585 wpa_printf(MSG_DEBUG,
2586 "nl80211: Could not set interface down to restore permanent MAC address");
2587 }
fee354c7
JM		 2588 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2589 drv->perm_addr) < 0) {
2590 wpa_printf(MSG_DEBUG,
2591 "nl80211: Could not restore permanent MAC address");
2592 }
2593 }
2594
8e12685c 2595 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 2596 if (!drv->hostapd || !drv->start_mode_ap)
2597 wpa_driver_nl80211_set_mode(bss,
2598 NL80211_IFTYPE_STATION);
b378c41f 2599 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 2600 } else {
2601 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 2602 nl80211_del_p2pdev(bss);
8e12685c 2603 }
3f5285e8 2604
834ee56f 2605 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 2606
3812464c
JM		 2607 os_free(drv->filter_ssids);
2608
536fd62d
JM		 2609 os_free(drv->auth_ie);
2610
dac12351 2611 if (drv->in_interface_list)
f2ed8023
JM		 2612 dl_list_del(&drv->list);
2613
8cd6b7bc
JB		 2614 os_free(drv->extended_capa);
2615 os_free(drv->extended_capa_mask);
cc9a2575
KV		 2616 for (i = 0; i < drv->num_iface_ext_capa; i++) {
2617 os_free(drv->iface_ext_capa[i].ext_capa);
2618 os_free(drv->iface_ext_capa[i].ext_capa_mask);
2619 }
834ee56f 2620 os_free(drv->first_bss);
3f5285e8
JM		 2621 os_free(drv);
2622}
2623
2624
de4ed4a8
JM		 2625static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2626{
2627 switch (alg) {
2628 case WPA_ALG_WEP:
2629 if (key_len == 5)
2630 return WLAN_CIPHER_SUITE_WEP40;
2631 return WLAN_CIPHER_SUITE_WEP104;
2632 case WPA_ALG_TKIP:
2633 return WLAN_CIPHER_SUITE_TKIP;
2634 case WPA_ALG_CCMP:
2635 return WLAN_CIPHER_SUITE_CCMP;
2636 case WPA_ALG_GCMP:
2637 return WLAN_CIPHER_SUITE_GCMP;
2638 case WPA_ALG_CCMP_256:
2639 return WLAN_CIPHER_SUITE_CCMP_256;
2640 case WPA_ALG_GCMP_256:
2641 return WLAN_CIPHER_SUITE_GCMP_256;
2642 case WPA_ALG_IGTK:
2643 return WLAN_CIPHER_SUITE_AES_CMAC;
2644 case WPA_ALG_BIP_GMAC_128:
2645 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
2646 case WPA_ALG_BIP_GMAC_256:
2647 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
2648 case WPA_ALG_BIP_CMAC_256:
2649 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
2650 case WPA_ALG_SMS4:
2651 return WLAN_CIPHER_SUITE_SMS4;
2652 case WPA_ALG_KRK:
2653 return WLAN_CIPHER_SUITE_KRK;
2654 case WPA_ALG_NONE:
2655 case WPA_ALG_PMK:
2656 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2657 alg);
2658 return 0;
2659 }
2660
2661 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2662 alg);
2663 return 0;
2664}
2665
2666
2667static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2668{
2669 switch (cipher) {
2670 case WPA_CIPHER_CCMP_256:
2671 return WLAN_CIPHER_SUITE_CCMP_256;
2672 case WPA_CIPHER_GCMP_256:
2673 return WLAN_CIPHER_SUITE_GCMP_256;
2674 case WPA_CIPHER_CCMP:
2675 return WLAN_CIPHER_SUITE_CCMP;
2676 case WPA_CIPHER_GCMP:
2677 return WLAN_CIPHER_SUITE_GCMP;
2678 case WPA_CIPHER_TKIP:
2679 return WLAN_CIPHER_SUITE_TKIP;
2680 case WPA_CIPHER_WEP104:
2681 return WLAN_CIPHER_SUITE_WEP104;
2682 case WPA_CIPHER_WEP40:
2683 return WLAN_CIPHER_SUITE_WEP40;
ae6f9272
JM		 2684 case WPA_CIPHER_GTK_NOT_USED:
2685 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
de4ed4a8
JM		 2686 }
2687
2688 return 0;
2689}
2690
2691
2692static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2693 int max_suites)
2694{
2695 int num_suites = 0;
2696
2697 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2698 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
2699 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2700 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
2701 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2702 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
2703 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2704 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
2705 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2706 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
2707 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2708 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
2709 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2710 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
2711
2712 return num_suites;
2713}
2714
2715
b658547d 2716#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 2717static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2718 const u8 *key, size_t key_len)
2719{
2720 struct nl_msg *msg;
a862e4a3 2721 int ret;
b41f2684 2722
15badebd 2723 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
b41f2684
CL		 2724 return 0;
2725
9725b784 2726 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 2727 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2728 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2729 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2730 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
bbd89bfc 2731 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 2732 nlmsg_free(msg);
2733 return -1;
2734 }
bbd89bfc 2735 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
b41f2684
CL		 2736 if (ret) {
2737 wpa_printf(MSG_DEBUG,
2738 "nl80211: Key management set key failed: ret=%d (%s)",
2739 ret, strerror(-ret));
2740 }
2741
b41f2684
CL		 2742 return ret;
2743}
b658547d 2744#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684
CL		 2745
2746
9ebce9c5 2747static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 2748 enum wpa_alg alg, const u8 *addr,
2749 int key_idx, int set_tx,
642187d6
JM		 2750 const u8 *seq, size_t seq_len,
2751 const u8 *key, size_t key_len)
3f5285e8 2752{
a2e40bb6 2753 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 2754 int ifindex;
34651767 2755 struct nl_msg *msg = NULL;
1ad1cdc2 2756 int ret;
dc01de8a 2757 int tdls = 0;
3f5285e8 2758
e472e1b4
AS		 2759 /* Ignore for P2P Device */
2760 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2761 return 0;
2762
2763 ifindex = if_nametoindex(ifname);
8393e1a0 2764 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 2765 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 2766 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 2767 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 2768#ifdef CONFIG_TDLS
dc01de8a 2769 if (key_idx == -1) {
8c66e185 2770 key_idx = 0;
dc01de8a
JM		 2771 tdls = 1;
2772 }
8c66e185 2773#endif /* CONFIG_TDLS */
3f5285e8 2774
b658547d 2775#ifdef CONFIG_DRIVER_NL80211_QCA
15badebd
CL		 2776 if (alg == WPA_ALG_PMK &&
2777 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
b41f2684
CL		 2778 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2779 __func__);
2780 ret = issue_key_mgmt_set_key(drv, key, key_len);
2781 return ret;
2782 }
b658547d 2783#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 2784
3f5285e8 2785 if (alg == WPA_ALG_NONE) {
95376e1a
JM		 2786 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2787 if (!msg)
2788 return -ENOBUFS;
3f5285e8 2789 } else {
34651767
JM		 2790 u32 suite;
2791
2792 suite = wpa_alg_to_cipher_suite(alg, key_len);
2793 if (!suite)
2794 goto fail;
95376e1a
JM		 2795 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2796 if (!msg ||
a862e4a3 2797 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
34651767 2798 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
a862e4a3 2799 goto fail;
e6ef73f1 2800 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3f5285e8
JM		 2801 }
2802
e6ef73f1 2803 if (seq && seq_len) {
a862e4a3
JM		 2804 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2805 goto fail;
e6ef73f1
JM		 2806 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2807 }
1ad1cdc2 2808
0382097e 2809 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8 2810 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
a862e4a3
JM		 2811 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2812 goto fail;
89c38e32
JM		 2813
2814 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2815 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
a862e4a3
JM		 2816 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2817 NL80211_KEYTYPE_GROUP))
2818 goto fail;
89c38e32 2819 }
60ea8187 2820 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2821 struct nlattr *types;
2822
60ea8187 2823 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 2824
2825 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2826 if (!types ||
2827 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2828 goto fail;
8970bae8 2829 nla_nest_end(msg, types);
3f5285e8 2830 }
95376e1a 2831 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
a862e4a3 2832 goto fail;
3f5285e8 2833
bbd89bfc 2834 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
15664ad0 2835 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 2836 ret = 0;
2837 if (ret)
2838 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2839 ret, strerror(-ret));
3f5285e8 2840
1ad1cdc2
JM		 2841 /*
2842 * If we failed or don't need to set the default TX key (below),
2843 * we're done here.
2844 */
dc01de8a 2845 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 2846 return ret;
b1f625e0 2847 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 2848 !is_broadcast_ether_addr(addr))
de12717a 2849 return ret;
3f5285e8 2850
95376e1a
JM		 2851 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2852 if (!msg ||
a862e4a3 2853 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
86f9b1c7
JM		 2854 nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
2855 alg == WPA_ALG_BIP_GMAC_128 ||
2856 alg == WPA_ALG_BIP_GMAC_256 ||
2857 alg == WPA_ALG_BIP_CMAC_256) ?
a862e4a3
JM		 2858 NL80211_ATTR_KEY_DEFAULT_MGMT :
2859 NL80211_ATTR_KEY_DEFAULT))
2860 goto fail;
60ea8187 2861 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 2862 struct nlattr *types;
2863
2864 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2865 if (!types ||
2866 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2867 goto fail;
8970bae8 2868 nla_nest_end(msg, types);
60ea8187 2869 } else if (addr) {
8970bae8
JB		 2870 struct nlattr *types;
2871
2872 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
a862e4a3
JM		 2873 if (!types ||
2874 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2875 goto fail;
8970bae8 2876 nla_nest_end(msg, types);
60ea8187 2877 }
3f5285e8 2878
1ad1cdc2
JM		 2879 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2880 if (ret == -ENOENT)
2881 ret = 0;
2882 if (ret)
2883 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2884 "err=%d %s)", ret, strerror(-ret));
2885 return ret;
3f5285e8 2886
a862e4a3 2887fail:
bbd89bfc 2888 nl80211_nlmsg_clear(msg);
5883168a 2889 nlmsg_free(msg);
6241fcb1 2890 return -ENOBUFS;
3f5285e8
JM		 2891}
2892
2893
71934751 2894static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 2895 int key_idx, int defkey,
2896 const u8 *seq, size_t seq_len,
2897 const u8 *key, size_t key_len)
2898{
2899 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
34651767
JM		 2900 u32 suite;
2901
0194fedb
JB		 2902 if (!key_attr)
2903 return -1;
2904
34651767
JM		 2905 suite = wpa_alg_to_cipher_suite(alg, key_len);
2906 if (!suite)
2907 return -1;
2908
a862e4a3
JM		 2909 if (defkey && alg == WPA_ALG_IGTK) {
2910 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2911 return -1;
2912 } else if (defkey) {
2913 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2914 return -1;
2915 }
0194fedb 2916
a862e4a3 2917 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
34651767 2918 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
a862e4a3
JM		 2919 (seq && seq_len &&
2920 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2921 nla_put(msg, NL80211_KEY_DATA, key_len, key))
2922 return -1;
0194fedb
JB		 2923
2924 nla_nest_end(msg, key_attr);
2925
2926 return 0;
0194fedb
JB		 2927}
2928
c811d5bc 2929
cfaab580
ZY		 2930static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2931 struct nl_msg *msg)
2932{
2933 int i, privacy = 0;
2934 struct nlattr *nl_keys, *nl_key;
2935
2936 for (i = 0; i < 4; i++) {
2937 if (!params->wep_key[i])
2938 continue;
2939 privacy = 1;
2940 break;
2941 }
ce04af5a
JM		 2942 if (params->wps == WPS_MODE_PRIVACY)
2943 privacy = 1;
2944 if (params->pairwise_suite &&
2945 params->pairwise_suite != WPA_CIPHER_NONE)
2946 privacy = 1;
2947
cfaab580
ZY		 2948 if (!privacy)
2949 return 0;
2950
a862e4a3
JM		 2951 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2952 return -ENOBUFS;
cfaab580
ZY		 2953
2954 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2955 if (!nl_keys)
a862e4a3 2956 return -ENOBUFS;
cfaab580
ZY		 2957
2958 for (i = 0; i < 4; i++) {
2959 if (!params->wep_key[i])
2960 continue;
2961
2962 nl_key = nla_nest_start(msg, i);
a862e4a3
JM		 2963 if (!nl_key ||
2964 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
2965 params->wep_key[i]) ||
2966 nla_put_u32(msg, NL80211_KEY_CIPHER,
2967 params->wep_key_len[i] == 5 ?
2968 WLAN_CIPHER_SUITE_WEP40 :
2969 WLAN_CIPHER_SUITE_WEP104) ||
2970 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
2971 (i == params->wep_tx_keyidx &&
2972 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
2973 return -ENOBUFS;
cfaab580
ZY		 2974
2975 nla_nest_end(msg, nl_key);
2976 }
2977 nla_nest_end(msg, nl_keys);
2978
2979 return 0;
cfaab580
ZY		 2980}
2981
2982
477af8f8
JM		 2983int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
2984 const u8 *addr, int cmd, u16 reason_code,
2985 int local_state_change)
c2a04078 2986{
a862e4a3 2987 int ret;
c2a04078
JM		 2988 struct nl_msg *msg;
2989
9725b784 2990 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
a862e4a3
JM		 2991 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
2992 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
2993 (local_state_change &&
2994 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
2995 nlmsg_free(msg);
2996 return -1;
2997 }
c2a04078
JM		 2998
2999 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
c2a04078 3000 if (ret) {
3b7ea880
BG		 3001 wpa_dbg(drv->ctx, MSG_DEBUG,
3002 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3003 reason_code, ret, strerror(-ret));
c2a04078 3004 }
c2a04078
JM		 3005 return ret;
3006}
3f5285e8
JM		 3007
3008
cfaab580 3009static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 3010 int reason_code)
cfaab580 3011{
3f53c006
JJ		 3012 int ret;
3013
817762d9 3014 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 3015 nl80211_mark_disconnected(drv);
817762d9 3016 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 3017 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
3018 reason_code, 0);
3019 /*
3020 * For locally generated disconnect, supplicant already generates a
3021 * DEAUTH event, so ignore the event from NL80211.
3022 */
3023 drv->ignore_next_local_disconnect = ret == 0;
3024
3025 return ret;
cfaab580
ZY		 3026}
3027
3028
9ebce9c5
JM		 3029static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
3030 const u8 *addr, int reason_code)
3f5285e8 3031{
a2e40bb6 3032 struct wpa_driver_nl80211_data *drv = bss->drv;
d6a36f39 3033 int ret;
9392c9be
AS		 3034
3035 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3036 nl80211_mark_disconnected(drv);
666e508c 3037 return nl80211_leave_ibss(drv, 1);
9392c9be 3038 }
cfaab580 3039 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 3040 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 3041 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3042 __func__, MAC2STR(addr), reason_code);
add9b7a4 3043 nl80211_mark_disconnected(drv);
d6a36f39
JM		 3044 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
3045 reason_code, 0);
3046 /*
3047 * For locally generated deauthenticate, supplicant already generates a
3048 * DEAUTH event, so ignore the event from NL80211.
3049 */
3050 drv->ignore_next_local_deauth = ret == 0;
3051 return ret;
3f5285e8
JM		 3052}
3053
3054
536fd62d
JM		 3055static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3056 struct wpa_driver_auth_params *params)
3057{
3058 int i;
3059
3060 drv->auth_freq = params->freq;
3061 drv->auth_alg = params->auth_alg;
3062 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3063 drv->auth_local_state_change = params->local_state_change;
3064 drv->auth_p2p = params->p2p;
3065
3066 if (params->bssid)
3067 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3068 else
3069 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3070
3071 if (params->ssid) {
3072 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3073 drv->auth_ssid_len = params->ssid_len;
3074 } else
3075 drv->auth_ssid_len = 0;
3076
3077
3078 os_free(drv->auth_ie);
3079 drv->auth_ie = NULL;
3080 drv->auth_ie_len = 0;
3081 if (params->ie) {
3082 drv->auth_ie = os_malloc(params->ie_len);
3083 if (drv->auth_ie) {
3084 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3085 drv->auth_ie_len = params->ie_len;
3086 }
3087 }
3088
3089 for (i = 0; i < 4; i++) {
3090 if (params->wep_key[i] && params->wep_key_len[i] &&
3091 params->wep_key_len[i] <= 16) {
3092 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3093 params->wep_key_len[i]);
3094 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3095 } else
3096 drv->auth_wep_key_len[i] = 0;
3097 }
3098}
3099
3100
4bd71954
JM		 3101static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3102{
3103 struct wpa_driver_nl80211_data *drv = bss->drv;
3104
3105 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3106 return;
3107
3108 /*
3109 * Looks like we failed to unmask 11b rates previously. This could
3110 * happen, e.g., if the interface was down at the point in time when a
3111 * P2P group was terminated.
3112 */
3113 wpa_printf(MSG_DEBUG,
3114 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3115 bss->ifname);
3116 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3117}
3118
3119
c2a04078 3120static int wpa_driver_nl80211_authenticate(
9ebce9c5 3121 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 3122{
a2e40bb6 3123 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 3124 int ret = -1, i;
c2a04078
JM		 3125 struct nl_msg *msg;
3126 enum nl80211_auth_type type;
2f4f73b1 3127 enum nl80211_iftype nlmode;
6d6f4bb8 3128 int count = 0;
536fd62d
JM		 3129 int is_retry;
3130
4bd71954
JM		 3131 nl80211_unmask_11b_rates(bss);
3132
536fd62d
JM		 3133 is_retry = drv->retry_auth;
3134 drv->retry_auth = 0;
e8d70a73 3135 drv->ignore_deauth_event = 0;
c2a04078 3136
add9b7a4 3137 nl80211_mark_disconnected(drv);
e6b8efeb 3138 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 3139 if (params->bssid)
3140 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3141 else
3142 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 3143 /* FIX: IBSS mode */
2f4f73b1
EP		 3144 nlmode = params->p2p ?
3145 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3146 if (drv->nlmode != nlmode &&
9ebce9c5 3147 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 3148 return -1;
3149
6d6f4bb8 3150retry:
c2a04078
JM		 3151 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3152 drv->ifindex);
a0b2f99b 3153
9725b784
JM		 3154 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3155 if (!msg)
3156 goto fail;
0194fedb 3157
a0b2f99b
JM		 3158 for (i = 0; i < 4; i++) {
3159 if (!params->wep_key[i])
3160 continue;
9ebce9c5 3161 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 3162 NULL, i,
a0b2f99b
JM		 3163 i == params->wep_tx_keyidx, NULL, 0,
3164 params->wep_key[i],
3165 params->wep_key_len[i]);
0194fedb
JB		 3166 if (params->wep_tx_keyidx != i)
3167 continue;
3168 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
9725b784
JM		 3169 params->wep_key[i], params->wep_key_len[i]))
3170 goto fail;
a0b2f99b
JM		 3171 }
3172
c2a04078
JM		 3173 if (params->bssid) {
3174 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
3175 MAC2STR(params->bssid));
a862e4a3
JM		 3176 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
3177 goto fail;
c2a04078
JM		 3178 }
3179 if (params->freq) {
3180 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
a862e4a3
JM		 3181 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
3182 goto fail;
c2a04078
JM		 3183 }
3184 if (params->ssid) {
3185 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
3186 params->ssid, params->ssid_len);
a862e4a3
JM		 3187 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
3188 params->ssid))
3189 goto fail;
c2a04078
JM		 3190 }
3191 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
a862e4a3
JM		 3192 if (params->ie &&
3193 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
3194 goto fail;
ce16c489
JM		 3195 if (params->auth_data) {
3196 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
3197 params->auth_data_len);
3198 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
3199 params->auth_data))
a862e4a3 3200 goto fail;
569fed90 3201 }
abd9fafa 3202 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 3203 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 3204 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 3205 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 3206 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 3207 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 3208 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 3209 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 3210 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
3211 type = NL80211_AUTHTYPE_SAE;
d8f9342d
JM		 3212 else if (params->auth_alg & WPA_AUTH_ALG_FILS)
3213 type = NL80211_AUTHTYPE_FILS_SK;
c2a04078 3214 else
a862e4a3 3215 goto fail;
c2a04078 3216 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
a862e4a3
JM		 3217 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
3218 goto fail;
77339912
JM		 3219 if (params->local_state_change) {
3220 wpa_printf(MSG_DEBUG, " * Local state change only");
a862e4a3
JM		 3221 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
3222 goto fail;
77339912 3223 }
c2a04078
JM		 3224
3225 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3226 msg = NULL;
3227 if (ret) {
3b7ea880
BG		 3228 wpa_dbg(drv->ctx, MSG_DEBUG,
3229 "nl80211: MLME command failed (auth): ret=%d (%s)",
3230 ret, strerror(-ret));
6d6f4bb8 3231 count++;
77339912
JM		 3232 if (ret == -EALREADY && count == 1 && params->bssid &&
3233 !params->local_state_change) {
6d6f4bb8
JM		 3234 /*
3235 * mac80211 does not currently accept new
3236 * authentication if we are already authenticated. As a
3237 * workaround, force deauthentication and try again.
3238 */
3239 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
3240 "after forced deauthentication");
e8d70a73 3241 drv->ignore_deauth_event = 1;
6d6f4bb8 3242 wpa_driver_nl80211_deauthenticate(
5205c4f9 3243 bss, params->bssid,
6d6f4bb8
JM		 3244 WLAN_REASON_PREV_AUTH_NOT_VALID);
3245 nlmsg_free(msg);
3246 goto retry;
3247 }
536fd62d
JM		 3248
3249 if (ret == -ENOENT && params->freq && !is_retry) {
3250 /*
3251 * cfg80211 has likely expired the BSS entry even
3252 * though it was previously available in our internal
3253 * BSS table. To recover quickly, start a single
3254 * channel scan on the specified channel.
3255 */
3256 struct wpa_driver_scan_params scan;
3257 int freqs[2];
3258
3259 os_memset(&scan, 0, sizeof(scan));
3260 scan.num_ssids = 1;
3261 if (params->ssid) {
3262 scan.ssids[0].ssid = params->ssid;
3263 scan.ssids[0].ssid_len = params->ssid_len;
3264 }
3265 freqs[0] = params->freq;
3266 freqs[1] = 0;
3267 scan.freqs = freqs;
3268 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3269 "channel scan to refresh cfg80211 BSS "
3270 "entry");
3271 ret = wpa_driver_nl80211_scan(bss, &scan);
3272 if (ret == 0) {
3273 nl80211_copy_auth_params(drv, params);
3274 drv->scan_for_auth = 1;
3275 }
8c3ba078
JM		 3276 } else if (is_retry) {
3277 /*
3278 * Need to indicate this with an event since the return
3279 * value from the retry is not delivered to core code.
3280 */
3281 union wpa_event_data event;
3282 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3283 "failed");
3284 os_memset(&event, 0, sizeof(event));
3285 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3286 ETH_ALEN);
3287 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3288 &event);
536fd62d 3289 }
a862e4a3
JM		 3290 } else {
3291 wpa_printf(MSG_DEBUG,
3292 "nl80211: Authentication request send successfully");
c2a04078 3293 }
c2a04078 3294
a862e4a3 3295fail:
c2a04078
JM		 3296 nlmsg_free(msg);
3297 return ret;
3298}
3299
3300
f3407c66 3301int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
536fd62d
JM		 3302{
3303 struct wpa_driver_auth_params params;
834ee56f 3304 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 3305 int i;
3306
3307 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3308
3309 os_memset(&params, 0, sizeof(params));
3310 params.freq = drv->auth_freq;
3311 params.auth_alg = drv->auth_alg;
3312 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3313 params.local_state_change = drv->auth_local_state_change;
3314 params.p2p = drv->auth_p2p;
3315
3316 if (!is_zero_ether_addr(drv->auth_bssid_))
3317 params.bssid = drv->auth_bssid_;
3318
3319 if (drv->auth_ssid_len) {
3320 params.ssid = drv->auth_ssid;
3321 params.ssid_len = drv->auth_ssid_len;
3322 }
3323
3324 params.ie = drv->auth_ie;
3325 params.ie_len = drv->auth_ie_len;
3326
3327 for (i = 0; i < 4; i++) {
3328 if (drv->auth_wep_key_len[i]) {
3329 params.wep_key[i] = drv->auth_wep_key[i];
3330 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3331 }
3332 }
3333
3334 drv->retry_auth = 1;
3335 return wpa_driver_nl80211_authenticate(bss, &params);
3336}
3337
3338
a11241fa
JB		 3339static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3340 const void *data, size_t len,
55231068
JM		 3341 int encrypt, int noack,
3342 unsigned int freq, int no_cck,
2d3943ce
AO		 3343 int offchanok, unsigned int wait_time,
3344 const u16 *csa_offs,
3345 size_t csa_offs_len)
a11241fa
JB		 3346{
3347 struct wpa_driver_nl80211_data *drv = bss->drv;
3348 u64 cookie;
41cc50d1 3349 int res;
a11241fa 3350
c7caac56
JM		 3351 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3352 freq = nl80211_get_assoc_freq(drv);
3353 wpa_printf(MSG_DEBUG,
3354 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3355 freq);
3356 }
af964484
JM		 3357 if (freq == 0) {
3358 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3359 bss->freq);
55231068 3360 freq = bss->freq;
af964484 3361 }
55231068 3362
739faee2 3363 if (drv->use_monitor) {
981cf85a 3364 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
739faee2 3365 freq, bss->freq);
981cf85a 3366 return nl80211_send_monitor(drv, data, len, encrypt, noack);
739faee2 3367 }
a11241fa 3368
739faee2 3369 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1 3370 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
2d3943ce
AO		 3371 &cookie, no_cck, noack, offchanok,
3372 csa_offs, csa_offs_len);
41cc50d1
JM		 3373 if (res == 0 && !noack) {
3374 const struct ieee80211_mgmt *mgmt;
3375 u16 fc;
3376
3377 mgmt = (const struct ieee80211_mgmt *) data;
3378 fc = le_to_host16(mgmt->frame_control);
3379 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3380 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3381 wpa_printf(MSG_MSGDUMP,
3382 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3383 (long long unsigned int)
3384 drv->send_action_cookie,
3385 (long long unsigned int) cookie);
3386 drv->send_action_cookie = cookie;
3387 }
3388 }
3389
3390 return res;
a11241fa
JB		 3391}
3392
3393
9ebce9c5
JM		 3394static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3395 size_t data_len, int noack,
3396 unsigned int freq, int no_cck,
3397 int offchanok,
2d3943ce
AO		 3398 unsigned int wait_time,
3399 const u16 *csa_offs,
3400 size_t csa_offs_len)
2c2010ac 3401{
a2e40bb6 3402 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 3403 struct ieee80211_mgmt *mgmt;
7a47d567 3404 int encrypt = 1;
2c2010ac
JM		 3405 u16 fc;
3406
3407 mgmt = (struct ieee80211_mgmt *) data;
3408 fc = le_to_host16(mgmt->frame_control);
f95a4524
PF		 3409 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3410 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3411 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3412 fc, fc2str(fc), drv->nlmode);
2c2010ac 3413
8e12685c
AS		 3414 if ((is_sta_interface(drv->nlmode) ||
3415 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 3416 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3417 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3418 /*
3419 * The use of last_mgmt_freq is a bit of a hack,
3420 * but it works due to the single-threaded nature
3421 * of wpa_supplicant.
3422 */
af964484
JM		 3423 if (freq == 0) {
3424 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3425 drv->last_mgmt_freq);
55231068 3426 freq = drv->last_mgmt_freq;
af964484 3427 }
55231068 3428 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7 3429 data, data_len, NULL, 1, noack,
2d3943ce 3430 1, csa_offs, csa_offs_len);
5582a5d1
JB		 3431 }
3432
61cbe2ff 3433 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 3434 if (freq == 0) {
3435 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3436 bss->freq);
55231068 3437 freq = bss->freq;
af964484 3438 }
b5671498
JM		 3439 return nl80211_send_frame_cmd(bss, freq,
3440 (int) freq == bss->freq ? 0 :
3441 wait_time,
d8d6b32e
DG		 3442 data, data_len,
3443 &drv->send_action_cookie,
2d3943ce
AO		 3444 no_cck, noack, offchanok,
3445 csa_offs, csa_offs_len);
86957e62
JM		 3446 }
3447
2c2010ac
JM		 3448 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3449 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3450 /*
3451 * Only one of the authentication frame types is encrypted.
3452 * In order for static WEP encryption to work properly (i.e.,
3453 * to not encrypt the frame), we need to tell mac80211 about
3454 * the frames that must not be encrypted.
3455 */
3456 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3457 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 3458 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3459 encrypt = 0;
2c2010ac
JM		 3460 }
3461
739faee2 3462 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 3463 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068 3464 noack, freq, no_cck, offchanok,
2d3943ce
AO		 3465 wait_time, csa_offs,
3466 csa_offs_len);
55231068
JM		 3467}
3468
3469
cae87abd
JM		 3470static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3471{
3472 u8 rates[NL80211_MAX_SUPP_RATES];
3473 u8 rates_len = 0;
3474 int i;
3475
3476 if (!basic_rates)
3477 return 0;
3478
3479 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3480 rates[rates_len++] = basic_rates[i] / 5;
3481
3482 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3483}
3484
3485
31357268 3486static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47 3487 int slot, int ht_opmode, int ap_isolate,
cae87abd 3488 const int *basic_rates)
31357268
JM		 3489{
3490 struct wpa_driver_nl80211_data *drv = bss->drv;
3491 struct nl_msg *msg;
3492
13f83980 3493 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
a862e4a3
JM		 3494 (cts >= 0 &&
3495 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3496 (preamble >= 0 &&
3497 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3498 (slot >= 0 &&
3499 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3500 (ht_opmode >= 0 &&
3501 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3502 (ap_isolate >= 0 &&
cae87abd
JM		 3503 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3504 nl80211_put_basic_rates(msg, basic_rates)) {
3505 nlmsg_free(msg);
3506 return -ENOBUFS;
e5693c47
JM		 3507 }
3508
31357268 3509 return send_and_recv_msgs(drv, msg, NULL, NULL);
31357268
JM		 3510}
3511
3512
3c4ca363
VN		 3513static int wpa_driver_nl80211_set_acl(void *priv,
3514 struct hostapd_acl_params *params)
3515{
3516 struct i802_bss *bss = priv;
3517 struct wpa_driver_nl80211_data *drv = bss->drv;
3518 struct nl_msg *msg;
f429ec44 3519 struct nl_msg *acl;
3c4ca363 3520 unsigned int i;
a862e4a3 3521 int ret;
3c4ca363
VN		 3522
3523 if (!(drv->capa.max_acl_mac_addrs))
3524 return -ENOTSUP;
3525
3526 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3527 return -ENOTSUP;
3528
3c4ca363
VN		 3529 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3530 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3531
f429ec44
JM		 3532 acl = nlmsg_alloc();
3533 if (!acl)
3534 return -ENOMEM;
3535 for (i = 0; i < params->num_mac_acl; i++) {
3536 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3537 nlmsg_free(acl);
3538 return -ENOMEM;
3539 }
3540 }
3541
9725b784 3542 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
a862e4a3
JM		 3543 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3544 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3545 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
f429ec44 3546 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
a862e4a3 3547 nlmsg_free(msg);
f429ec44 3548 nlmsg_free(acl);
a862e4a3
JM		 3549 return -ENOMEM;
3550 }
f429ec44 3551 nlmsg_free(acl);
3c4ca363
VN		 3552
3553 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3c4ca363
VN		 3554 if (ret) {
3555 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3556 ret, strerror(-ret));
3557 }
3558
3c4ca363
VN		 3559 return ret;
3560}
3561
3562
85e1fad8
JM		 3563static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3564{
3565 if (beacon_int > 0) {
3566 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3567 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3568 beacon_int);
3569 }
3570
3571 return 0;
3572}
3573
3574
4ac2ea57
MH		 3575static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
3576{
3577 if (dtim_period > 0) {
3578 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
3579 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
3580 }
3581
3582 return 0;
3583}
3584
3585
052b8d38
MH		 3586#ifdef CONFIG_MESH
3587static int nl80211_set_mesh_config(void *priv,
3588 struct wpa_driver_mesh_bss_params *params)
3589{
3590 struct i802_bss *bss = priv;
3591 struct wpa_driver_nl80211_data *drv = bss->drv;
3592 struct nl_msg *msg;
3593 int ret;
3594
3595 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
3596 if (!msg)
3597 return -1;
3598
3599 ret = nl80211_put_mesh_config(msg, params);
3600 if (ret < 0) {
3601 nlmsg_free(msg);
3602 return ret;
3603 }
3604
3605 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3606 if (ret) {
3607 wpa_printf(MSG_ERROR,
3608 "nl80211: Mesh config set failed: %d (%s)",
3609 ret, strerror(-ret));
3610 return ret;
3611 }
3612 return 0;
3613}
3614#endif /* CONFIG_MESH */
3615
3616
d4f3003c
PK		 3617static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags,
3618 struct wpa_driver_ap_params *params)
3619{
3620 struct nlattr *bands, *band;
3621 struct nl80211_txrate_vht vht_rate;
3622
3623 if (!params->freq ||
3624 (params->beacon_rate == 0 &&
3625 params->rate_type == BEACON_RATE_LEGACY))
3626 return 0;
3627
3628 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
3629 if (!bands)
3630 return -1;
3631
3632 switch (params->freq->mode) {
3633 case HOSTAPD_MODE_IEEE80211B:
3634 case HOSTAPD_MODE_IEEE80211G:
3635 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
3636 break;
3637 case HOSTAPD_MODE_IEEE80211A:
3638 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
3639 break;
3640 case HOSTAPD_MODE_IEEE80211AD:
3641 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
3642 break;
3643 default:
3644 return 0;
3645 }
3646
3647 if (!band)
3648 return -1;
3649
3650 os_memset(&vht_rate, 0, sizeof(vht_rate));
3651
3652 switch (params->rate_type) {
3653 case BEACON_RATE_LEGACY:
3654 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
3655 wpa_printf(MSG_INFO,
3656 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
3657 return -1;
3658 }
3659
3660 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
3661 (u8) params->beacon_rate / 5) ||
3662 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
3663 (params->freq->vht_enabled &&
3664 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3665 &vht_rate)))
3666 return -1;
3667
3668 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
3669 params->beacon_rate);
3670 break;
3671 case BEACON_RATE_HT:
3672 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
3673 wpa_printf(MSG_INFO,
3674 "nl80211: Driver does not support setting Beacon frame rate (HT)");
3675 return -1;
3676 }
3677 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
3678 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
3679 (params->freq->vht_enabled &&
3680 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3681 &vht_rate)))
3682 return -1;
3683 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
3684 params->beacon_rate);
3685 break;
3686 case BEACON_RATE_VHT:
3687 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
3688 wpa_printf(MSG_INFO,
3689 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
3690 return -1;
3691 }
3692 vht_rate.mcs[0] = BIT(params->beacon_rate);
3693 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
3694 return -1;
3695 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
3696 return -1;
3697 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
3698 &vht_rate))
3699 return -1;
3700 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
3701 params->beacon_rate);
3702 break;
3703 }
3704
3705 nla_nest_end(msg, band);
3706 nla_nest_end(msg, bands);
3707
3708 return 0;
3709}
3710
3711
34f7c699
MB		 3712static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
3713 int multicast_to_unicast)
3714{
3715 struct wpa_driver_nl80211_data *drv = bss->drv;
3716 struct nl_msg *msg;
3717 int ret;
3718
3719 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
3720 if (!msg ||
3721 (multicast_to_unicast &&
3722 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
3723 wpa_printf(MSG_ERROR,
3724 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
3725 bss->ifname);
3726 nlmsg_free(msg);
3727 return -ENOBUFS;
3728 }
3729
3730 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3731
3732 switch (ret) {
3733 case 0:
3734 wpa_printf(MSG_DEBUG,
3735 "nl80211: multicast to unicast %s on interface %s",
3736 multicast_to_unicast ? "enabled" : "disabled",
3737 bss->ifname);
3738 break;
3739 case -EOPNOTSUPP:
3740 if (!multicast_to_unicast)
3741 break;
3742 wpa_printf(MSG_INFO,
3743 "nl80211: multicast to unicast not supported on interface %s",
3744 bss->ifname);
3745 break;
3746 default:
3747 wpa_printf(MSG_ERROR,
3748 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
3749 multicast_to_unicast ? "enabling" : "disabling",
3750 ret, strerror(-ret), bss->ifname);
3751 break;
3752 }
3753
3754 return ret;
3755}
3756
3757
19c3b566
JM		 3758static int wpa_driver_nl80211_set_ap(void *priv,
3759 struct wpa_driver_ap_params *params)
d2440ba0 3760{
a2e40bb6
FF		 3761 struct i802_bss *bss = priv;
3762 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 3763 struct nl_msg *msg;
3764 u8 cmd = NL80211_CMD_NEW_BEACON;
3765 int ret;
b4fd6fab 3766 int beacon_set;
b11d1d64 3767 int num_suites;
da1080d7 3768 int smps_mode;
de4ed4a8 3769 u32 suites[10], suite;
b11d1d64 3770 u32 ver;
052b8d38
MH		 3771#ifdef CONFIG_MESH
3772 struct wpa_driver_mesh_bss_params mesh_params;
3773#endif /* CONFIG_MESH */
b4fd6fab 3774
f33c8606 3775 beacon_set = params->reenable ? 0 : bss->beacon_set;
d2440ba0 3776
d2440ba0 3777 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 3778 beacon_set);
3779 if (beacon_set)
d2440ba0
JM		 3780 cmd = NL80211_CMD_SET_BEACON;
3781
b92e08fc
JM		 3782 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3783 params->head, params->head_len);
b92e08fc
JM		 3784 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3785 params->tail, params->tail_len);
13f83980 3786 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
b92e08fc 3787 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
d4f3003c
PK		 3788 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
3789 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
b92e08fc 3790 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
b92e08fc
JM		 3791 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3792 params->ssid, params->ssid_len);
13f83980 3793 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 3794 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3795 params->head) ||
3796 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3797 params->tail) ||
85e1fad8 3798 nl80211_put_beacon_int(msg, params->beacon_int) ||
d4f3003c 3799 nl80211_put_beacon_rate(msg, drv->capa.flags, params) ||
4ac2ea57 3800 nl80211_put_dtim_period(msg, params->dtim_period) ||
a862e4a3
JM		 3801 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3802 goto fail;
b92e08fc
JM		 3803 if (params->proberesp && params->proberesp_len) {
3804 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3805 params->proberesp, params->proberesp_len);
a862e4a3
JM		 3806 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3807 params->proberesp))
3808 goto fail;
b92e08fc 3809 }
97a7a0b5
JM		 3810 switch (params->hide_ssid) {
3811 case NO_SSID_HIDING:
b92e08fc 3812 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
a862e4a3
JM		 3813 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3814 NL80211_HIDDEN_SSID_NOT_IN_USE))
3815 goto fail;
97a7a0b5
JM		 3816 break;
3817 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 3818 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
a862e4a3
JM		 3819 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3820 NL80211_HIDDEN_SSID_ZERO_LEN))
3821 goto fail;
97a7a0b5
JM		 3822 break;
3823 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 3824 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
a862e4a3
JM		 3825 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3826 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3827 goto fail;
97a7a0b5
JM		 3828 break;
3829 }
b92e08fc 3830 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
a862e4a3
JM		 3831 if (params->privacy &&
3832 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3833 goto fail;
b92e08fc 3834 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 3835 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3836 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3837 /* Leave out the attribute */
a862e4a3
JM		 3838 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3839 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3840 NL80211_AUTHTYPE_SHARED_KEY))
3841 goto fail;
3842 } else {
3843 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3844 NL80211_AUTHTYPE_OPEN_SYSTEM))
3845 goto fail;
3846 }
b11d1d64 3847
b92e08fc 3848 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 3849 ver = 0;
3850 if (params->wpa_version & WPA_PROTO_WPA)
3851 ver |= NL80211_WPA_VERSION_1;
3852 if (params->wpa_version & WPA_PROTO_RSN)
3853 ver |= NL80211_WPA_VERSION_2;
a862e4a3
JM		 3854 if (ver &&
3855 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3856 goto fail;
b11d1d64 3857
b92e08fc
JM		 3858 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3859 params->key_mgmt_suites);
b11d1d64
JM		 3860 num_suites = 0;
3861 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3862 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
3863 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3864 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
a862e4a3
JM		 3865 if (num_suites &&
3866 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3867 suites))
3868 goto fail;
b11d1d64 3869
533fe09b 3870 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
e3429c0b
JB		 3871 (!params->pairwise_ciphers ||
3872 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
3873 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
3874 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
a862e4a3 3875 goto fail;
9f12614b 3876
b92e08fc
JM		 3877 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3878 params->pairwise_ciphers);
de4ed4a8
JM		 3879 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3880 suites, ARRAY_SIZE(suites));
a862e4a3
JM		 3881 if (num_suites &&
3882 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3883 num_suites * sizeof(u32), suites))
3884 goto fail;
b11d1d64 3885
b92e08fc
JM		 3886 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3887 params->group_cipher);
de4ed4a8 3888 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
a862e4a3
JM		 3889 if (suite &&
3890 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3891 goto fail;
d2440ba0 3892
ee298f1b
JM		 3893 if (params->ht_opmode != -1) {
3894 switch (params->smps_mode) {
3895 case HT_CAP_INFO_SMPS_DYNAMIC:
3896 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3897 smps_mode = NL80211_SMPS_DYNAMIC;
3898 break;
3899 case HT_CAP_INFO_SMPS_STATIC:
3900 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3901 smps_mode = NL80211_SMPS_STATIC;
3902 break;
3903 default:
3904 /* invalid - fallback to smps off */
3905 case HT_CAP_INFO_SMPS_DISABLED:
3906 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3907 smps_mode = NL80211_SMPS_OFF;
3908 break;
3909 }
3910 if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
3911 goto fail;
da1080d7 3912 }
da1080d7 3913
fb91db56 3914 if (params->beacon_ies) {
b92e08fc
JM		 3915 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3916 params->beacon_ies);
a862e4a3
JM		 3917 if (nla_put(msg, NL80211_ATTR_IE,
3918 wpabuf_len(params->beacon_ies),
3919 wpabuf_head(params->beacon_ies)))
3920 goto fail;
fb91db56
JM		 3921 }
3922 if (params->proberesp_ies) {
b92e08fc
JM		 3923 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3924 params->proberesp_ies);
a862e4a3
JM		 3925 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3926 wpabuf_len(params->proberesp_ies),
3927 wpabuf_head(params->proberesp_ies)))
3928 goto fail;
fb91db56
JM		 3929 }
3930 if (params->assocresp_ies) {
b92e08fc
JM		 3931 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3932 params->assocresp_ies);
a862e4a3
JM		 3933 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3934 wpabuf_len(params->assocresp_ies),
3935 wpabuf_head(params->assocresp_ies)))
3936 goto fail;
fb91db56
JM		 3937 }
3938
a0133ee1 3939 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 3940 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3941 params->ap_max_inactivity);
a862e4a3
JM		 3942 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3943 params->ap_max_inactivity))
3944 goto fail;
a0133ee1
VT		 3945 }
3946
abb8d08b
EP		 3947#ifdef CONFIG_P2P
3948 if (params->p2p_go_ctwindow > 0) {
3949 if (drv->p2p_go_ctwindow_supported) {
3950 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
3951 params->p2p_go_ctwindow);
3952 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
3953 params->p2p_go_ctwindow))
3954 goto fail;
3955 } else {
3956 wpa_printf(MSG_INFO,
3957 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
3958 }
3959 }
3960#endif /* CONFIG_P2P */
3961
86b5c400
LD		 3962 if (params->pbss) {
3963 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
3964 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
3965 goto fail;
3966 }
3967
d2440ba0
JM		 3968 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3969 if (ret) {
3970 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
3971 ret, strerror(-ret));
b4fd6fab 3972 } else {
b4fd6fab 3973 bss->beacon_set = 1;
31357268 3974 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 3975 params->short_slot_time, params->ht_opmode,
e5693c47 3976 params->isolate, params->basic_rates);
34f7c699
MB		 3977 nl80211_set_multicast_to_unicast(bss,
3978 params->multicast_to_unicast);
e87ef751
PX		 3979 if (beacon_set && params->freq &&
3980 params->freq->bandwidth != bss->bandwidth) {
3981 wpa_printf(MSG_DEBUG,
3982 "nl80211: Update BSS %s bandwidth: %d -> %d",
3983 bss->ifname, bss->bandwidth,
3984 params->freq->bandwidth);
3985 ret = nl80211_set_channel(bss, params->freq, 1);
3986 if (ret) {
3987 wpa_printf(MSG_DEBUG,
3988 "nl80211: Frequency set failed: %d (%s)",
3989 ret, strerror(-ret));
3990 } else {
3991 wpa_printf(MSG_DEBUG,
3992 "nl80211: Frequency set succeeded for ht2040 coex");
3993 bss->bandwidth = params->freq->bandwidth;
3994 }
f5728d0a 3995 } else if (!beacon_set && params->freq) {
e87ef751
PX		 3996 /*
3997 * cfg80211 updates the driver on frequence change in AP
3998 * mode only at the point when beaconing is started, so
3999 * set the initial value here.
4000 */
4001 bss->bandwidth = params->freq->bandwidth;
4002 }
b4fd6fab 4003 }
052b8d38
MH		 4004
4005#ifdef CONFIG_MESH
4006 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
4007 os_memset(&mesh_params, 0, sizeof(mesh_params));
4008 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
4009 mesh_params.ht_opmode = params->ht_opmode;
4010 ret = nl80211_set_mesh_config(priv, &mesh_params);
4011 if (ret < 0)
4012 return ret;
4013 }
4014#endif /* CONFIG_MESH */
4015
d2440ba0 4016 return ret;
a862e4a3 4017fail:
5883168a 4018 nlmsg_free(msg);
d2440ba0
JM		 4019 return -ENOBUFS;
4020}
4021
4022
1c4ffa87 4023static int nl80211_put_freq_params(struct nl_msg *msg,
72b2605f 4024 const struct hostapd_freq_params *freq)
1581b38b 4025{
1fc4ab23 4026 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
a862e4a3
JM		 4027 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4028 return -ENOBUFS;
4029
1fc4ab23
JM		 4030 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4031 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4032
89b800d7 4033 if (freq->vht_enabled) {
a862e4a3
JM		 4034 enum nl80211_chan_width cw;
4035
1fc4ab23 4036 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
89b800d7
JB		 4037 switch (freq->bandwidth) {
4038 case 20:
a862e4a3 4039 cw = NL80211_CHAN_WIDTH_20;
89b800d7
JB		 4040 break;
4041 case 40:
a862e4a3 4042 cw = NL80211_CHAN_WIDTH_40;
89b800d7
JB		 4043 break;
4044 case 80:
4045 if (freq->center_freq2)
a862e4a3 4046 cw = NL80211_CHAN_WIDTH_80P80;
89b800d7 4047 else
a862e4a3 4048 cw = NL80211_CHAN_WIDTH_80;
89b800d7
JB		 4049 break;
4050 case 160:
a862e4a3 4051 cw = NL80211_CHAN_WIDTH_160;
89b800d7
JB		 4052 break;
4053 default:
1c4ffa87 4054 return -EINVAL;
89b800d7 4055 }
a862e4a3 4056
1fc4ab23
JM		 4057 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4058 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4059 freq->center_freq1);
4060 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4061 freq->center_freq2);
a862e4a3
JM		 4062 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4063 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4064 freq->center_freq1) ||
4065 (freq->center_freq2 &&
4066 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
4067 freq->center_freq2)))
4068 return -ENOBUFS;
89b800d7 4069 } else if (freq->ht_enabled) {
a862e4a3
JM		 4070 enum nl80211_channel_type ct;
4071
1fc4ab23
JM		 4072 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4073 freq->sec_channel_offset);
89b800d7 4074 switch (freq->sec_channel_offset) {
f019981a 4075 case -1:
a862e4a3 4076 ct = NL80211_CHAN_HT40MINUS;
f019981a
JM		 4077 break;
4078 case 1:
a862e4a3 4079 ct = NL80211_CHAN_HT40PLUS;
f019981a
JM		 4080 break;
4081 default:
a862e4a3 4082 ct = NL80211_CHAN_HT20;
f019981a
JM		 4083 break;
4084 }
a862e4a3 4085
1fc4ab23 4086 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
a862e4a3
JM		 4087 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
4088 return -ENOBUFS;
3388e7b9
MH		 4089 } else {
4090 wpa_printf(MSG_DEBUG, " * channel_type=%d",
4091 NL80211_CHAN_NO_HT);
4092 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
4093 NL80211_CHAN_NO_HT))
4094 return -ENOBUFS;
f019981a 4095 }
1c4ffa87 4096 return 0;
1c4ffa87
AO		 4097}
4098
4099
e87ef751
PX		 4100static int nl80211_set_channel(struct i802_bss *bss,
4101 struct hostapd_freq_params *freq, int set_chan)
1c4ffa87
AO		 4102{
4103 struct wpa_driver_nl80211_data *drv = bss->drv;
4104 struct nl_msg *msg;
4105 int ret;
4106
4107 wpa_printf(MSG_DEBUG,
4108 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
4109 freq->freq, freq->ht_enabled, freq->vht_enabled,
4110 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1c4ffa87 4111
9725b784
JM		 4112 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
4113 NL80211_CMD_SET_WIPHY);
4114 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
a862e4a3
JM		 4115 nlmsg_free(msg);
4116 return -1;
4117 }
1581b38b 4118
d2440ba0 4119 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
e4fb2167 4120 if (ret == 0) {
89b800d7 4121 bss->freq = freq->freq;
1581b38b 4122 return 0;
e4fb2167 4123 }
f019981a 4124 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 4125 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b
JM		 4126 return -1;
4127}
4128
0f4e8b4f 4129
95ab6063
AN		 4130static u32 sta_flags_nl80211(int flags)
4131{
4132 u32 f = 0;
4133
4134 if (flags & WPA_STA_AUTHORIZED)
4135 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
4136 if (flags & WPA_STA_WMM)
4137 f |= BIT(NL80211_STA_FLAG_WME);
4138 if (flags & WPA_STA_SHORT_PREAMBLE)
4139 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
4140 if (flags & WPA_STA_MFP)
4141 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 4142 if (flags & WPA_STA_TDLS_PEER)
4143 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
7a228b5c
BC		 4144 if (flags & WPA_STA_AUTHENTICATED)
4145 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
dc55b6b6
AB		 4146 if (flags & WPA_STA_ASSOCIATED)
4147 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
95ab6063
AN		 4148
4149 return f;
4150}
4151
4152
7c7e7877
BC		 4153#ifdef CONFIG_MESH
4154static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
4155{
4156 switch (state) {
d02e5498 4157 case PLINK_IDLE:
7c7e7877 4158 return NL80211_PLINK_LISTEN;
d02e5498 4159 case PLINK_OPN_SNT:
7c7e7877 4160 return NL80211_PLINK_OPN_SNT;
d02e5498 4161 case PLINK_OPN_RCVD:
7c7e7877
BC		 4162 return NL80211_PLINK_OPN_RCVD;
4163 case PLINK_CNF_RCVD:
4164 return NL80211_PLINK_CNF_RCVD;
4165 case PLINK_ESTAB:
4166 return NL80211_PLINK_ESTAB;
4167 case PLINK_HOLDING:
4168 return NL80211_PLINK_HOLDING;
4169 case PLINK_BLOCKED:
4170 return NL80211_PLINK_BLOCKED;
4171 default:
4172 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
4173 state);
4174 }
4175 return -1;
4176}
4177#endif /* CONFIG_MESH */
4178
4179
62847751 4180static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 4181 struct hostapd_sta_add_params *params)
4182{
a2e40bb6
FF		 4183 struct i802_bss *bss = priv;
4184 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 4185 struct nl_msg *msg;
95ab6063 4186 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 4187 int ret = -ENOBUFS;
4188
45b722f1
AN		 4189 if ((params->flags & WPA_STA_TDLS_PEER) &&
4190 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
4191 return -EOPNOTSUPP;
4192
e4dea253
JM		 4193 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
4194 params->set ? "Set" : "Add", MAC2STR(params->addr));
13f83980
JM		 4195 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
4196 NL80211_CMD_NEW_STATION);
4197 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
a862e4a3 4198 goto fail;
5551bc9c 4199
dc55b6b6
AB		 4200 /*
4201 * Set the below properties only in one of the following cases:
4202 * 1. New station is added, already associated.
4203 * 2. Set WPA_STA_TDLS_PEER station.
4204 * 3. Set an already added unassociated station, if driver supports
4205 * full AP client state. (Set these properties after station became
4206 * associated will be rejected by the driver).
4207 */
4208 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
4209 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4210 (params->flags & WPA_STA_ASSOCIATED))) {
5551bc9c
BC		 4211 wpa_hexdump(MSG_DEBUG, " * supported rates",
4212 params->supp_rates, params->supp_rates_len);
a862e4a3
JM		 4213 wpa_printf(MSG_DEBUG, " * capability=0x%x",
4214 params->capability);
4215 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
4216 params->supp_rates_len, params->supp_rates) ||
4217 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
4218 params->capability))
4219 goto fail;
e503861f
JM		 4220
4221 if (params->ht_capabilities) {
4222 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
4223 (u8 *) params->ht_capabilities,
4224 sizeof(*params->ht_capabilities));
a862e4a3
JM		 4225 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
4226 sizeof(*params->ht_capabilities),
4227 params->ht_capabilities))
4228 goto fail;
e503861f
JM		 4229 }
4230
4231 if (params->vht_capabilities) {
4232 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
4233 (u8 *) params->vht_capabilities,
4234 sizeof(*params->vht_capabilities));
a862e4a3
JM		 4235 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
4236 sizeof(*params->vht_capabilities),
4237 params->vht_capabilities))
4238 goto fail;
e503861f
JM		 4239 }
4240
e503861f
JM		 4241 if (params->ext_capab) {
4242 wpa_hexdump(MSG_DEBUG, " * ext_capab",
4243 params->ext_capab, params->ext_capab_len);
a862e4a3
JM		 4244 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
4245 params->ext_capab_len, params->ext_capab))
4246 goto fail;
e503861f 4247 }
ae33239c
AB		 4248
4249 if (is_ap_interface(drv->nlmode) &&
4250 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
4251 params->support_p2p_ps ?
4252 NL80211_P2P_PS_SUPPORTED :
4253 NL80211_P2P_PS_UNSUPPORTED))
4254 goto fail;
5551bc9c 4255 }
45b722f1 4256 if (!params->set) {
f11b72c3
JM		 4257 if (params->aid) {
4258 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
a862e4a3
JM		 4259 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
4260 goto fail;
f11b72c3
JM		 4261 } else {
4262 /*
4263 * cfg80211 validates that AID is non-zero, so we have
4264 * to make this a non-zero value for the TDLS case where
dc55b6b6
AB		 4265 * a dummy STA entry is used for now and for a station
4266 * that is still not associated.
f11b72c3 4267 */
dc55b6b6
AB		 4268 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
4269 (params->flags & WPA_STA_TDLS_PEER) ?
4270 "TDLS" : "UNASSOC_STA");
a862e4a3
JM		 4271 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
4272 goto fail;
f11b72c3 4273 }
e4dea253
JM		 4274 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4275 params->listen_interval);
a862e4a3
JM		 4276 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4277 params->listen_interval))
4278 goto fail;
e112764e
JM		 4279 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
4280 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
a862e4a3
JM		 4281 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
4282 goto fail;
dc55b6b6
AB		 4283 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
4284 (params->flags & WPA_STA_ASSOCIATED)) {
4285 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
4286 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
4287 params->listen_interval);
4288 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
4289 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
4290 params->listen_interval))
4291 goto fail;
45b722f1 4292 }
05a8d422 4293
8a458116
MK		 4294 if (params->vht_opmode_enabled) {
4295 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
a862e4a3
JM		 4296 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
4297 params->vht_opmode))
4298 goto fail;
8a458116
MK		 4299 }
4300
efc64886
SD		 4301 if (params->supp_channels) {
4302 wpa_hexdump(MSG_DEBUG, " * supported channels",
4303 params->supp_channels, params->supp_channels_len);
a862e4a3
JM		 4304 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
4305 params->supp_channels_len, params->supp_channels))
4306 goto fail;
efc64886
SD		 4307 }
4308
4309 if (params->supp_oper_classes) {
4310 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
4311 params->supp_oper_classes,
4312 params->supp_oper_classes_len);
a862e4a3
JM		 4313 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
4314 params->supp_oper_classes_len,
4315 params->supp_oper_classes))
4316 goto fail;
efc64886
SD		 4317 }
4318
95ab6063 4319 os_memset(&upd, 0, sizeof(upd));
7e31703e
BC		 4320 upd.set = sta_flags_nl80211(params->flags);
4321 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
dc55b6b6
AB		 4322
4323 /*
4324 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4325 * flags, as nl80211 driver moves a new station, by default, into
4326 * associated state.
4327 *
4328 * On the other hand, if the driver supports that feature and the
4329 * station is added in unauthenticated state, set the
4330 * authenticated/associated bits in the mask to prevent moving this
4331 * station to associated state before it is actually associated.
4332 *
4333 * This is irrelevant for mesh mode where the station is added to the
4334 * driver as authenticated already, and ASSOCIATED isn't part of the
4335 * nl80211 API.
4336 */
4337 if (!is_mesh_interface(drv->nlmode)) {
4338 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
4339 wpa_printf(MSG_DEBUG,
4340 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4341 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
4342 BIT(NL80211_STA_FLAG_AUTHENTICATED));
4343 } else if (!params->set &&
4344 !(params->flags & WPA_STA_TDLS_PEER)) {
4345 if (!(params->flags & WPA_STA_AUTHENTICATED))
4346 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
4347 if (!(params->flags & WPA_STA_ASSOCIATED))
4348 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
4349 }
e347cafe
MH		 4350#ifdef CONFIG_MESH
4351 } else {
4352 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
4353 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
4354 params->peer_aid);
4355 if (ret)
4356 goto fail;
4357 }
4358#endif /* CONFIG_MESH */
dc55b6b6
AB		 4359 }
4360
e4dea253
JM		 4361 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
4362 upd.set, upd.mask);
a862e4a3
JM		 4363 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4364 goto fail;
95ab6063 4365
7c7e7877 4366#ifdef CONFIG_MESH
a862e4a3
JM		 4367 if (params->plink_state &&
4368 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
4369 sta_plink_state_nl80211(params->plink_state)))
4370 goto fail;
7c7e7877
BC		 4371#endif /* CONFIG_MESH */
4372
774bfa62 4373 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 4374 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
4375
e4dea253 4376 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
a862e4a3
JM		 4377 if (!wme ||
4378 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
4379 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
4380 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
4381 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
4382 WMM_QOSINFO_STA_SP_MASK))
4383 goto fail;
8970bae8 4384 nla_nest_end(msg, wme);
774bfa62
EP		 4385 }
4386
0f4e8b4f 4387 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 4388 msg = NULL;
0f4e8b4f 4389 if (ret)
45b722f1
AN		 4390 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
4391 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
4392 strerror(-ret));
0f4e8b4f
JM		 4393 if (ret == -EEXIST)
4394 ret = 0;
a862e4a3 4395fail:
5883168a 4396 nlmsg_free(msg);
0f4e8b4f
JM		 4397 return ret;
4398}
4399
4400
97ed9a06
KP		 4401static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
4402{
4403#ifdef CONFIG_LIBNL3_ROUTE
4404 struct wpa_driver_nl80211_data *drv = bss->drv;
4405 struct rtnl_neigh *rn;
4406 struct nl_addr *nl_addr;
4407 int err;
4408
4409 rn = rtnl_neigh_alloc();
4410 if (!rn)
4411 return;
4412
4413 rtnl_neigh_set_family(rn, AF_BRIDGE);
4414 rtnl_neigh_set_ifindex(rn, bss->ifindex);
4415 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
4416 if (!nl_addr) {
4417 rtnl_neigh_put(rn);
4418 return;
4419 }
4420 rtnl_neigh_set_lladdr(rn, nl_addr);
4421
4422 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
4423 if (err < 0) {
4424 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
4425 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
4426 bss->ifindex, nl_geterror(err));
4427 } else {
4428 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
4429 MACSTR, MAC2STR(addr));
4430 }
4431
4432 nl_addr_put(nl_addr);
4433 rtnl_neigh_put(rn);
4434#endif /* CONFIG_LIBNL3_ROUTE */
4435}
4436
4437
59d7148a
JM		 4438static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
4439 int deauth, u16 reason_code)
0f4e8b4f 4440{
a2e40bb6 4441 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 4442 struct nl_msg *msg;
4443 int ret;
4444
13f83980 4445 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
a862e4a3
JM		 4446 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
4447 (deauth == 0 &&
4448 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4449 WLAN_FC_STYPE_DISASSOC)) ||
4450 (deauth == 1 &&
4451 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
4452 WLAN_FC_STYPE_DEAUTH)) ||
4453 (reason_code &&
4454 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
4455 nlmsg_free(msg);
4456 return -ENOBUFS;
4457 }
0f4e8b4f
JM		 4458
4459 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 4460 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4461 " --> %d (%s)",
4462 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
97ed9a06
KP		 4463
4464 if (drv->rtnl_sk)
4465 rtnl_neigh_delete_fdb_entry(bss, addr);
4466
0f4e8b4f
JM		 4467 if (ret == -ENOENT)
4468 return 0;
4469 return ret;
0f4e8b4f
JM		 4470}
4471
1581b38b 4472
f3407c66 4473void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
0915d02c
JM		 4474{
4475 struct nl_msg *msg;
de884303 4476 struct wpa_driver_nl80211_data *drv2;
0915d02c 4477
c6e8e8e4
JM		 4478 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
4479
2135f224 4480 /* stop listening for EAPOL on this interface */
de884303
JM		 4481 dl_list_for_each(drv2, &drv->global->interfaces,
4482 struct wpa_driver_nl80211_data, list)
732b1d20
MB		 4483 {
4484 del_ifidx(drv2, ifidx, IFIDX_ANY);
4485 /* Remove all bridges learned for this iface */
4486 del_ifidx(drv2, IFIDX_ANY, ifidx);
4487 }
2135f224 4488
95376e1a 4489 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 4490 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
4491 return;
e748062b 4492 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 4493}
4494
4495
cc9a2575 4496const char * nl80211_iftype_str(enum nl80211_iftype mode)
a1922f93
JM		 4497{
4498 switch (mode) {
4499 case NL80211_IFTYPE_ADHOC:
4500 return "ADHOC";
4501 case NL80211_IFTYPE_STATION:
4502 return "STATION";
4503 case NL80211_IFTYPE_AP:
4504 return "AP";
1045ec36
JM		 4505 case NL80211_IFTYPE_AP_VLAN:
4506 return "AP_VLAN";
4507 case NL80211_IFTYPE_WDS:
4508 return "WDS";
a1922f93
JM		 4509 case NL80211_IFTYPE_MONITOR:
4510 return "MONITOR";
1045ec36
JM		 4511 case NL80211_IFTYPE_MESH_POINT:
4512 return "MESH_POINT";
a1922f93
JM		 4513 case NL80211_IFTYPE_P2P_CLIENT:
4514 return "P2P_CLIENT";
4515 case NL80211_IFTYPE_P2P_GO:
4516 return "P2P_GO";
7aad838c
NS		 4517 case NL80211_IFTYPE_P2P_DEVICE:
4518 return "P2P_DEVICE";
a1922f93
JM		 4519 default:
4520 return "unknown";
4521 }
4522}
4523
4524
a35187e7
KH		 4525static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
4526 const char *ifname,
4527 enum nl80211_iftype iftype,
d6dcfcda
DS		 4528 const u8 *addr, int wds,
4529 int (*handler)(struct nl_msg *, void *),
4530 void *arg)
0915d02c 4531{
8970bae8 4532 struct nl_msg *msg;
0915d02c
JM		 4533 int ifidx;
4534 int ret = -ENOBUFS;
4535
a1922f93
JM		 4536 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
4537 iftype, nl80211_iftype_str(iftype));
4538
56f77852
JM		 4539 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
4540 if (!msg ||
a862e4a3
JM		 4541 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
4542 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
4543 goto fail;
0915d02c
JM		 4544
4545 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 4546 struct nlattr *flags;
0915d02c 4547
8970bae8 4548 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
a862e4a3
JM		 4549 if (!flags ||
4550 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
4551 goto fail;
0915d02c 4552
8970bae8 4553 nla_nest_end(msg, flags);
fbbfcbac 4554 } else if (wds) {
a862e4a3
JM		 4555 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4556 goto fail;
0915d02c
JM		 4557 }
4558
52f5877a
IP		 4559 /*
4560 * Tell cfg80211 that the interface belongs to the socket that created
4561 * it, and the interface should be deleted when the socket is closed.
4562 */
a862e4a3
JM		 4563 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4564 goto fail;
52f5877a 4565
d6dcfcda 4566 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 4567 msg = NULL;
0915d02c 4568 if (ret) {
a862e4a3 4569 fail:
5883168a 4570 nlmsg_free(msg);
a35187e7
KH		 4571 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4572 ifname, ret, strerror(-ret));
0915d02c
JM		 4573 return ret;
4574 }
4575
f632e483 4576 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 4577 return 0;
6bae92e0 4578
0915d02c 4579 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 4580 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4581 ifname, ifidx);
0915d02c
JM		 4582
4583 if (ifidx <= 0)
4584 return -1;
4585
147848ec
JM		 4586 /*
4587 * Some virtual interfaces need to process EAPOL packets and events on
4588 * the parent interface. This is used mainly with hostapd.
4589 */
4590 if (drv->hostapd ||
4591 iftype == NL80211_IFTYPE_AP_VLAN ||
4592 iftype == NL80211_IFTYPE_WDS ||
4593 iftype == NL80211_IFTYPE_MONITOR) {
4594 /* start listening for EAPOL on this interface */
732b1d20 4595 add_ifidx(drv, ifidx, IFIDX_ANY);
147848ec 4596 }
2135f224 4597
7bfc47c3 4598 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 4599 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 4600 nl80211_remove_iface(drv, ifidx);
4601 return -1;
2135f224 4602 }
2135f224 4603
0915d02c
JM		 4604 return ifidx;
4605}
22a7c9d7
JM		 4606
4607
f3407c66
JM		 4608int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4609 const char *ifname, enum nl80211_iftype iftype,
4610 const u8 *addr, int wds,
4611 int (*handler)(struct nl_msg *, void *),
4612 void *arg, int use_existing)
a35187e7
KH		 4613{
4614 int ret;
4615
d6dcfcda
DS		 4616 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4617 arg);
a35187e7 4618
ffbf1eaa 4619 /* if error occurred and interface exists already */
a35187e7 4620 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 4621 if (use_existing) {
4622 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4623 ifname);
6997f8ba
JM		 4624 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4625 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4626 addr) < 0 &&
4627 (linux_set_iface_flags(drv->global->ioctl_sock,
4628 ifname, 0) < 0 ||
4629 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4630 addr) < 0 ||
4631 linux_set_iface_flags(drv->global->ioctl_sock,
4632 ifname, 1) < 0))
4633 return -1;
2aec4f3c
JM		 4634 return -ENFILE;
4635 }
a35187e7
KH		 4636 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4637
4638 /* Try to remove the interface that was already there. */
4639 nl80211_remove_iface(drv, if_nametoindex(ifname));
4640
4641 /* Try to create the interface again */
fbbfcbac 4642 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 4643 wds, handler, arg);
a35187e7
KH		 4644 }
4645
3e208481
JM		 4646 if (ret >= 0 && is_p2p_net_interface(iftype)) {
4647 wpa_printf(MSG_DEBUG,
4648 "nl80211: Interface %s created for P2P - disable 11b rates",
4649 ifname);
4e5cb1a3 4650 nl80211_disable_11b_rates(drv, ret, 1);
3e208481 4651 }
4e5cb1a3 4652
a35187e7
KH		 4653 return ret;
4654}
0915d02c 4655
2135f224 4656
3fd1cefb
JB		 4657static int nl80211_setup_ap(struct i802_bss *bss)
4658{
4659 struct wpa_driver_nl80211_data *drv = bss->drv;
4660
748c0ac0
JM		 4661 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4662 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 4663
a11241fa
JB		 4664 /*
4665 * Disable Probe Request reporting unless we need it in this way for
4666 * devices that include the AP SME, in the other case (unless using
4667 * monitor iface) we'll get it through the nl_mgmt socket instead.
4668 */
4669 if (!drv->device_ap_sme)
4670 wpa_driver_nl80211_probe_req_report(bss, 0);
4671
4672 if (!drv->device_ap_sme && !drv->use_monitor)
4673 if (nl80211_mgmt_subscribe_ap(bss))
4674 return -1;
4675
a6cc0602
JM		 4676 if (drv->device_ap_sme && !drv->use_monitor)
4677 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
f4830bed
RM		 4678 wpa_printf(MSG_DEBUG,
4679 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
a6cc0602 4680
a11241fa 4681 if (!drv->device_ap_sme && drv->use_monitor &&
ea19b39f
RM		 4682 nl80211_create_monitor_interface(drv) &&
4683 !drv->device_ap_sme)
3fd1cefb
JB		 4684 return -1;
4685
4686 if (drv->device_ap_sme &&
4687 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
4688 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
4689 "Probe Request frame reporting in AP mode");
4690 /* Try to survive without this */
4691 }
4692
4693 return 0;
4694}
4695
4696
4697static void nl80211_teardown_ap(struct i802_bss *bss)
4698{
4699 struct wpa_driver_nl80211_data *drv = bss->drv;
4700
748c0ac0
JM		 4701 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
4702 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 4703 if (drv->device_ap_sme) {
3fd1cefb 4704 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 4705 if (!drv->use_monitor)
4706 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
4707 } else if (drv->use_monitor)
3fd1cefb 4708 nl80211_remove_monitor_interface(drv);
a11241fa 4709 else
36488c05 4710 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 4711
3fd1cefb
JB		 4712 bss->beacon_set = 0;
4713}
4714
4715
f10bfc9a
JM		 4716static int nl80211_send_eapol_data(struct i802_bss *bss,
4717 const u8 *addr, const u8 *data,
d12dab4c 4718 size_t data_len)
f10bfc9a 4719{
d12dab4c
JB		 4720 struct sockaddr_ll ll;
4721 int ret;
4722
4723 if (bss->drv->eapol_tx_sock < 0) {
4724 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 4725 return -1;
4726 }
4727
d12dab4c
JB		 4728 os_memset(&ll, 0, sizeof(ll));
4729 ll.sll_family = AF_PACKET;
4730 ll.sll_ifindex = bss->ifindex;
4731 ll.sll_protocol = htons(ETH_P_PAE);
4732 ll.sll_halen = ETH_ALEN;
4733 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
4734 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
4735 (struct sockaddr *) &ll, sizeof(ll));
4736 if (ret < 0)
4737 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
4738 strerror(errno));
4739
4740 return ret;
f10bfc9a 4741}
5fb1a232 4742
f10bfc9a 4743
db149ac9
JM		 4744static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4745
4746static int wpa_driver_nl80211_hapd_send_eapol(
4747 void *priv, const u8 *addr, const u8 *data,
4378fc14 4748 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 4749{
a2e40bb6
FF		 4750 struct i802_bss *bss = priv;
4751 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 4752 struct ieee80211_hdr *hdr;
4753 size_t len;
4754 u8 *pos;
4755 int res;
4378fc14 4756 int qos = flags & WPA_STA_WMM;
db149ac9 4757
a11241fa 4758 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 4759 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 4760
db149ac9
JM		 4761 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4762 data_len;
4763 hdr = os_zalloc(len);
4764 if (hdr == NULL) {
7ac3616d
JM		 4765 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4766 (unsigned long) len);
db149ac9
JM		 4767 return -1;
4768 }
4769
4770 hdr->frame_control =
4771 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4772 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4773 if (encrypt)
4774 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 4775 if (qos) {
4776 hdr->frame_control |=
4777 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4778 }
db149ac9
JM		 4779
4780 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4781 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4782 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4783 pos = (u8 *) (hdr + 1);
4784
db149ac9 4785 if (qos) {
92d521d8
FF		 4786 /* Set highest priority in QoS header */
4787 pos[0] = 7;
db149ac9
JM		 4788 pos[1] = 0;
4789 pos += 2;
4790 }
db149ac9
JM		 4791
4792 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4793 pos += sizeof(rfc1042_header);
4794 WPA_PUT_BE16(pos, ETH_P_PAE);
4795 pos += 2;
4796 memcpy(pos, data, data_len);
4797
55231068 4798 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
2d3943ce 4799 0, 0, 0, 0, NULL, 0);
db149ac9
JM		 4800 if (res < 0) {
4801 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4802 "failed: %d (%s)",
4803 (unsigned long) len, errno, strerror(errno));
4804 }
7bf12757 4805 os_free(hdr);
db149ac9
JM		 4806
4807 return res;
4808}
4809
a8d6ffa4 4810
3234cba4 4811static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
f97e3ce4
JM		 4812 unsigned int total_flags,
4813 unsigned int flags_or,
4814 unsigned int flags_and)
a8d6ffa4 4815{
a2e40bb6 4816 struct i802_bss *bss = priv;
8970bae8
JB		 4817 struct nl_msg *msg;
4818 struct nlattr *flags;
7e76ee9c 4819 struct nl80211_sta_flag_update upd;
a8d6ffa4 4820
0cd9846c
JM		 4821 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4822 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4823 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4824 !!(total_flags & WPA_STA_AUTHORIZED));
4825
13f83980 4826 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 4827 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4828 goto fail;
a8d6ffa4 4829
7e76ee9c
JM		 4830 /*
4831 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4832 * can be removed eventually.
4833 */
8970bae8 4834 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
a862e4a3
JM		 4835 if (!flags ||
4836 ((total_flags & WPA_STA_AUTHORIZED) &&
4837 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4838 ((total_flags & WPA_STA_WMM) &&
4839 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4840 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4841 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4842 ((total_flags & WPA_STA_MFP) &&
4843 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4844 ((total_flags & WPA_STA_TDLS_PEER) &&
4845 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4846 goto fail;
45b722f1 4847
8970bae8 4848 nla_nest_end(msg, flags);
a8d6ffa4 4849
7e76ee9c
JM		 4850 os_memset(&upd, 0, sizeof(upd));
4851 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4852 upd.set = sta_flags_nl80211(flags_or);
a862e4a3
JM		 4853 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4854 goto fail;
7e76ee9c 4855
13f83980 4856 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a862e4a3 4857fail:
5883168a 4858 nlmsg_free(msg);
a8d6ffa4
JM		 4859 return -ENOBUFS;
4860}
4861
0915d02c 4862
1581b38b
JM		 4863static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4864 struct wpa_driver_associate_params *params)
4865{
708bc8e0 4866 enum nl80211_iftype nlmode, old_mode;
b1f625e0
EP		 4867
4868 if (params->p2p) {
046b26a2
JM		 4869 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4870 "group (GO)");
b1f625e0
EP		 4871 nlmode = NL80211_IFTYPE_P2P_GO;
4872 } else
4873 nlmode = NL80211_IFTYPE_AP;
4874
708bc8e0 4875 old_mode = drv->nlmode;
834ee56f 4876 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 4877 nl80211_remove_monitor_interface(drv);
4878 return -1;
4879 }
4880
6e9023ea
JM		 4881 if (params->freq.freq &&
4882 nl80211_set_channel(drv->first_bss, &params->freq, 0)) {
708bc8e0 4883 if (old_mode != nlmode)
834ee56f 4884 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 4885 nl80211_remove_monitor_interface(drv);
1581b38b 4886 return -1;
0915d02c 4887 }
1581b38b 4888
1581b38b
JM		 4889 return 0;
4890}
1581b38b
JM		 4891
4892
666e508c
JM		 4893static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4894 int reset_mode)
5cc4d64b
JM		 4895{
4896 struct nl_msg *msg;
9725b784 4897 int ret;
a862e4a3 4898
9725b784 4899 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b 4900 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5cc4d64b
JM		 4901 if (ret) {
4902 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4903 "(%s)", ret, strerror(-ret));
9725b784
JM		 4904 } else {
4905 wpa_printf(MSG_DEBUG,
4906 "nl80211: Leave IBSS request sent successfully");
5cc4d64b
JM		 4907 }
4908
666e508c
JM		 4909 if (reset_mode &&
4910 wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 4911 NL80211_IFTYPE_STATION)) {
4912 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4913 "station mode");
4914 }
4915
5cc4d64b
JM		 4916 return ret;
4917}
4918
4919
95ff3069
JD		 4920static int nl80211_ht_vht_overrides(struct nl_msg *msg,
4921 struct wpa_driver_associate_params *params)
4922{
4923 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4924 return -1;
4925
4926 if (params->htcaps && params->htcaps_mask) {
4927 int sz = sizeof(struct ieee80211_ht_capabilities);
4928 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
4929 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4930 params->htcaps_mask, sz);
4931 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4932 params->htcaps) ||
4933 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4934 params->htcaps_mask))
4935 return -1;
4936 }
4937
4938#ifdef CONFIG_VHT_OVERRIDES
4939 if (params->disable_vht) {
4940 wpa_printf(MSG_DEBUG, " * VHT disabled");
4941 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4942 return -1;
4943 }
4944
4945 if (params->vhtcaps && params->vhtcaps_mask) {
4946 int sz = sizeof(struct ieee80211_vht_capabilities);
4947 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
4948 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
4949 params->vhtcaps_mask, sz);
4950 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
4951 params->vhtcaps) ||
4952 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
4953 params->vhtcaps_mask))
4954 return -1;
4955 }
4956#endif /* CONFIG_VHT_OVERRIDES */
4957
4958 return 0;
4959}
4960
4961
5cc4d64b
JM		 4962static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
4963 struct wpa_driver_associate_params *params)
4964{
4965 struct nl_msg *msg;
4966 int ret = -1;
4967 int count = 0;
4968
4969 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
4970
4ec68377 4971 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, &params->freq)) {
5cc4d64b
JM		 4972 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4973 "IBSS mode");
4974 return -1;
4975 }
4976
4977retry:
9725b784 4978 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
a862e4a3
JM		 4979 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
4980 goto fail;
5cc4d64b
JM		 4981
4982 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4983 params->ssid, params->ssid_len);
a862e4a3
JM		 4984 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4985 goto fail;
5cc4d64b
JM		 4986 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4987 drv->ssid_len = params->ssid_len;
4988
85e1fad8
JM		 4989 if (nl80211_put_freq_params(msg, &params->freq) < 0 ||
4990 nl80211_put_beacon_int(msg, params->beacon_int))
a862e4a3 4991 goto fail;
5cc4d64b
JM		 4992
4993 ret = nl80211_set_conn_keys(params, msg);
4994 if (ret)
a862e4a3 4995 goto fail;
5cc4d64b 4996
913e3cf7
NC		 4997 if (params->bssid && params->fixed_bssid) {
4998 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
4999 MAC2STR(params->bssid));
a862e4a3
JM		 5000 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5001 goto fail;
913e3cf7
NC		 5002 }
5003
4d9e6fba
JD		 5004 if (params->fixed_freq) {
5005 wpa_printf(MSG_DEBUG, " * fixed_freq");
5006 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
5007 goto fail;
5008 }
5009
4848a38d
JM		 5010 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5011 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5012 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
5013 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c 5014 wpa_printf(MSG_DEBUG, " * control port");
a862e4a3
JM		 5015 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5016 goto fail;
e640888c
AQ		 5017 }
5018
a95795ad
JM		 5019 if (params->wpa_ie) {
5020 wpa_hexdump(MSG_DEBUG,
5021 " * Extra IEs for Beacon/Probe Response frames",
5022 params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5023 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
5024 params->wpa_ie))
5025 goto fail;
a95795ad
JM		 5026 }
5027
e15dcf6d
PK		 5028 ret = nl80211_ht_vht_overrides(msg, params);
5029 if (ret < 0)
5030 goto fail;
95ff3069 5031
5cc4d64b
JM		 5032 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5033 msg = NULL;
5034 if (ret) {
5035 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
5036 ret, strerror(-ret));
5037 count++;
5038 if (ret == -EALREADY && count == 1) {
5039 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
5040 "forced leave");
666e508c 5041 nl80211_leave_ibss(drv, 0);
5cc4d64b
JM		 5042 nlmsg_free(msg);
5043 goto retry;
5044 }
a862e4a3
JM		 5045 } else {
5046 wpa_printf(MSG_DEBUG,
5047 "nl80211: Join IBSS request sent successfully");
5cc4d64b 5048 }
5cc4d64b 5049
a862e4a3 5050fail:
5cc4d64b
JM		 5051 nlmsg_free(msg);
5052 return ret;
5053}
5054
5055
a0bdd191
JM		 5056static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
5057 struct wpa_driver_associate_params *params,
5058 struct nl_msg *msg)
cfaab580 5059{
cfaab580
ZY		 5060 if (params->bssid) {
5061 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5062 MAC2STR(params->bssid));
a862e4a3
JM		 5063 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
5064 return -1;
cfaab580 5065 }
a0bdd191 5066
7ac7fd43
DS		 5067 if (params->bssid_hint) {
5068 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
5069 MAC2STR(params->bssid_hint));
a862e4a3
JM		 5070 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
5071 params->bssid_hint))
5072 return -1;
7ac7fd43
DS		 5073 }
5074
4ec68377
JD		 5075 if (params->freq.freq) {
5076 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
a862e4a3
JM		 5077 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
5078 params->freq.freq))
5079 return -1;
4ec68377 5080 drv->assoc_freq = params->freq.freq;
30158a0d
SD		 5081 } else
5082 drv->assoc_freq = 0;
a0bdd191 5083
7ac7fd43
DS		 5084 if (params->freq_hint) {
5085 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
a862e4a3
JM		 5086 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
5087 params->freq_hint))
5088 return -1;
7ac7fd43
DS		 5089 }
5090
1f6c0ab8
BS		 5091 if (params->bg_scan_period >= 0) {
5092 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
5093 params->bg_scan_period);
a862e4a3
JM		 5094 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
5095 params->bg_scan_period))
5096 return -1;
1f6c0ab8 5097 }
a0bdd191 5098
cfaab580
ZY		 5099 if (params->ssid) {
5100 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
5101 params->ssid, params->ssid_len);
a862e4a3
JM		 5102 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
5103 params->ssid))
5104 return -1;
cfaab580 5105 if (params->ssid_len > sizeof(drv->ssid))
a862e4a3 5106 return -1;
cfaab580
ZY		 5107 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
5108 drv->ssid_len = params->ssid_len;
5109 }
a0bdd191 5110
cfaab580 5111 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
a862e4a3
JM		 5112 if (params->wpa_ie &&
5113 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
5114 return -1;
cfaab580 5115
64fa840a
JM		 5116 if (params->wpa_proto) {
5117 enum nl80211_wpa_versions ver = 0;
cfaab580 5118
64fa840a
JM		 5119 if (params->wpa_proto & WPA_PROTO_WPA)
5120 ver |= NL80211_WPA_VERSION_1;
5121 if (params->wpa_proto & WPA_PROTO_RSN)
5122 ver |= NL80211_WPA_VERSION_2;
cfaab580 5123
64fa840a 5124 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
a862e4a3
JM		 5125 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5126 return -1;
cfaab580
ZY		 5127 }
5128
4848a38d 5129 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5130 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
5131 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
a862e4a3
JM		 5132 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5133 cipher))
5134 return -1;
cfaab580
ZY		 5135 }
5136
ae6f9272
JM		 5137 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
5138 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
5139 /*
5140 * This is likely to work even though many drivers do not
5141 * advertise support for operations without GTK.
5142 */
5143 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
5144 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 5145 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
5146 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
a862e4a3
JM		 5147 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
5148 return -1;
cfaab580
ZY		 5149 }
5150
4848a38d
JM		 5151 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
5152 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5153 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
5154 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
163f801e 5155 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
8802326f
JJ		 5156 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
5157 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
666497c8 5158 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5e3b5197
JM		 5159 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
5160 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
cfaab580
ZY		 5161 int mgmt = WLAN_AKM_SUITE_PSK;
5162
5163 switch (params->key_mgmt_suite) {
4848a38d 5164 case WPA_KEY_MGMT_CCKM:
369c8d7b
JM		 5165 mgmt = WLAN_AKM_SUITE_CCKM;
5166 break;
4848a38d 5167 case WPA_KEY_MGMT_IEEE8021X:
cfaab580
ZY		 5168 mgmt = WLAN_AKM_SUITE_8021X;
5169 break;
4848a38d 5170 case WPA_KEY_MGMT_FT_IEEE8021X:
6a1ce395
DG		 5171 mgmt = WLAN_AKM_SUITE_FT_8021X;
5172 break;
4848a38d 5173 case WPA_KEY_MGMT_FT_PSK:
6a1ce395
DG		 5174 mgmt = WLAN_AKM_SUITE_FT_PSK;
5175 break;
8802326f
JJ		 5176 case WPA_KEY_MGMT_IEEE8021X_SHA256:
5177 mgmt = WLAN_AKM_SUITE_8021X_SHA256;
5178 break;
5179 case WPA_KEY_MGMT_PSK_SHA256:
5180 mgmt = WLAN_AKM_SUITE_PSK_SHA256;
5181 break;
163f801e
JM		 5182 case WPA_KEY_MGMT_OSEN:
5183 mgmt = WLAN_AKM_SUITE_OSEN;
5184 break;
666497c8
JM		 5185 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
5186 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
5187 break;
5e3b5197
JM		 5188 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
5189 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B_192;
5190 break;
4848a38d 5191 case WPA_KEY_MGMT_PSK:
cfaab580
ZY		 5192 default:
5193 mgmt = WLAN_AKM_SUITE_PSK;
5194 break;
5195 }
163f801e 5196 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
a862e4a3
JM		 5197 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
5198 return -1;
cfaab580
ZY		 5199 }
5200
a862e4a3
JM		 5201 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
5202 return -1;
a0bdd191 5203
e3429c0b
JB		 5204 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5205 (params->pairwise_suite == WPA_CIPHER_NONE ||
5206 params->pairwise_suite == WPA_CIPHER_WEP104 ||
5207 params->pairwise_suite == WPA_CIPHER_WEP40) &&
5208 (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
5209 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
5210 return -1;
5211
a862e4a3
JM		 5212 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
5213 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
5214 return -1;
a565084f 5215
58162adf
AK		 5216 if (params->rrm_used) {
5217 u32 drv_rrm_flags = drv->capa.rrm_flags;
b5d172e5
BL		 5218 if ((!((drv_rrm_flags &
5219 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
5220 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
5221 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
a862e4a3
JM		 5222 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
5223 return -1;
58162adf
AK		 5224 }
5225
95ff3069 5226 if (nl80211_ht_vht_overrides(msg, params) < 0)
a862e4a3 5227 return -1;
80e8a5ee 5228
a0bdd191
JM		 5229 if (params->p2p)
5230 wpa_printf(MSG_DEBUG, " * P2P group");
5231
86b5c400
LD		 5232 if (params->pbss) {
5233 wpa_printf(MSG_DEBUG, " * PBSS");
5234 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5235 return -1;
5236 }
5237
1126c078 5238 drv->connect_reassoc = 0;
00c3c4ac
JM		 5239 if (params->prev_bssid) {
5240 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
5241 MAC2STR(params->prev_bssid));
5242 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
5243 params->prev_bssid))
5244 return -1;
1126c078 5245 drv->connect_reassoc = 1;
00c3c4ac
JM		 5246 }
5247
a0bdd191 5248 return 0;
a0bdd191
JM		 5249}
5250
5251
5252static int wpa_driver_nl80211_try_connect(
5253 struct wpa_driver_nl80211_data *drv,
5254 struct wpa_driver_associate_params *params)
5255{
5256 struct nl_msg *msg;
5257 enum nl80211_auth_type type;
5258 int ret;
5259 int algs;
5260
b658547d 5261#ifdef CONFIG_DRIVER_NL80211_QCA
b41f2684
CL		 5262 if (params->req_key_mgmt_offload && params->psk &&
5263 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
5264 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
5265 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
5266 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
5267 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
5268 if (ret)
5269 return ret;
5270 }
b658547d 5271#endif /* CONFIG_DRIVER_NL80211_QCA */
b41f2684 5272
9725b784
JM		 5273 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
5274 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
a0bdd191
JM		 5275 if (!msg)
5276 return -1;
5277
a0bdd191
JM		 5278 ret = nl80211_connect_common(drv, params, msg);
5279 if (ret)
a862e4a3 5280 goto fail;
a0bdd191
JM		 5281
5282 algs = 0;
5283 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5284 algs++;
5285 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5286 algs++;
5287 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5288 algs++;
5289 if (algs > 1) {
5290 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
5291 "selection");
5292 goto skip_auth_type;
5293 }
5294
5295 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
5296 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
5297 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
5298 type = NL80211_AUTHTYPE_SHARED_KEY;
5299 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
5300 type = NL80211_AUTHTYPE_NETWORK_EAP;
5301 else if (params->auth_alg & WPA_AUTH_ALG_FT)
5302 type = NL80211_AUTHTYPE_FT;
5303 else
a862e4a3 5304 goto fail;
a0bdd191
JM		 5305
5306 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
a862e4a3
JM		 5307 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
5308 goto fail;
a0bdd191
JM		 5309
5310skip_auth_type:
cfaab580
ZY		 5311 ret = nl80211_set_conn_keys(params, msg);
5312 if (ret)
a862e4a3 5313 goto fail;
cfaab580
ZY		 5314
5315 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5316 msg = NULL;
5317 if (ret) {
5318 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
5319 "(%s)", ret, strerror(-ret));
a862e4a3
JM		 5320 } else {
5321 wpa_printf(MSG_DEBUG,
5322 "nl80211: Connect request send successfully");
cfaab580 5323 }
cfaab580 5324
a862e4a3 5325fail:
cfaab580
ZY		 5326 nlmsg_free(msg);
5327 return ret;
5328
5329}
5330
5331
a8c5b43a
CW		 5332static int wpa_driver_nl80211_connect(
5333 struct wpa_driver_nl80211_data *drv,
5334 struct wpa_driver_associate_params *params)
5335{
0d4e3d1d
JJ		 5336 int ret;
5337
5338 /* Store the connection attempted bssid for future use */
5339 if (params->bssid)
5340 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5341 else
5342 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
5343
5344 ret = wpa_driver_nl80211_try_connect(drv, params);
a8c5b43a
CW		 5345 if (ret == -EALREADY) {
5346 /*
5347 * cfg80211 does not currently accept new connections if
5348 * we are already connected. As a workaround, force
5349 * disconnection and try again.
5350 */
5351 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
5352 "disconnecting before reassociation "
5353 "attempt");
5354 if (wpa_driver_nl80211_disconnect(
5355 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
5356 return -1;
a8c5b43a
CW		 5357 ret = wpa_driver_nl80211_try_connect(drv, params);
5358 }
5359 return ret;
5360}
5361
5362
c2a04078
JM		 5363static int wpa_driver_nl80211_associate(
5364 void *priv, struct wpa_driver_associate_params *params)
5365{
a2e40bb6
FF		 5366 struct i802_bss *bss = priv;
5367 struct wpa_driver_nl80211_data *drv = bss->drv;
a862e4a3 5368 int ret = -1;
c2a04078
JM		 5369 struct nl_msg *msg;
5370
4bd71954
JM		 5371 nl80211_unmask_11b_rates(bss);
5372
5cc4d64b 5373 if (params->mode == IEEE80211_MODE_AP)
1581b38b 5374 return wpa_driver_nl80211_ap(drv, params);
1581b38b 5375
5cc4d64b
JM		 5376 if (params->mode == IEEE80211_MODE_IBSS)
5377 return wpa_driver_nl80211_ibss(drv, params);
5378
4a867032 5379 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 5380 enum nl80211_iftype nlmode = params->p2p ?
5381 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5382
5383 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 5384 return -1;
cfaab580 5385 return wpa_driver_nl80211_connect(drv, params);
4a867032 5386 }
cfaab580 5387
add9b7a4 5388 nl80211_mark_disconnected(drv);
c2a04078 5389
c2a04078
JM		 5390 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
5391 drv->ifindex);
9725b784
JM		 5392 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
5393 if (!msg)
5394 return -1;
c2a04078 5395
a0bdd191
JM		 5396 ret = nl80211_connect_common(drv, params, msg);
5397 if (ret)
a862e4a3 5398 goto fail;
01652550 5399
40a45727
JM		 5400 if (params->fils_kek) {
5401 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
5402 (unsigned int) params->fils_kek_len);
5403 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
5404 params->fils_kek))
5405 goto fail;
5406 }
5407 if (params->fils_nonces) {
5408 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
5409 params->fils_nonces,
5410 params->fils_nonces_len);
5411 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
5412 params->fils_nonces_len, params->fils_nonces))
5413 goto fail;
5414 }
5415
c2a04078
JM		 5416 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5417 msg = NULL;
5418 if (ret) {
3b7ea880
BG		 5419 wpa_dbg(drv->ctx, MSG_DEBUG,
5420 "nl80211: MLME command failed (assoc): ret=%d (%s)",
5421 ret, strerror(-ret));
8856462d 5422 nl80211_dump_scan(drv);
a862e4a3
JM		 5423 } else {
5424 wpa_printf(MSG_DEBUG,
5425 "nl80211: Association request send successfully");
c2a04078 5426 }
c2a04078 5427
a862e4a3 5428fail:
c2a04078
JM		 5429 nlmsg_free(msg);
5430 return ret;
5431}
3f5285e8
JM		 5432
5433
ad1e68e6 5434static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 5435 int ifindex, enum nl80211_iftype mode)
3f5285e8 5436{
3f5285e8 5437 struct nl_msg *msg;
ad1e68e6
JM		 5438 int ret = -ENOBUFS;
5439
a1922f93
JM		 5440 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
5441 ifindex, mode, nl80211_iftype_str(mode));
5442
56f77852
JM		 5443 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
5444 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
a862e4a3 5445 goto fail;
ad1e68e6
JM		 5446
5447 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 5448 msg = NULL;
ad1e68e6
JM		 5449 if (!ret)
5450 return 0;
a862e4a3 5451fail:
5883168a 5452 nlmsg_free(msg);
ad1e68e6
JM		 5453 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
5454 " %d (%s)", ifindex, mode, ret, strerror(-ret));
5455 return ret;
5456}
5457
5458
3c5d34e3
CW		 5459static int wpa_driver_nl80211_set_mode_impl(
5460 struct i802_bss *bss,
5461 enum nl80211_iftype nlmode,
5462 struct hostapd_freq_params *desired_freq_params)
ad1e68e6 5463{
a2e40bb6 5464 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 5465 int ret = -1;
26af9dca 5466 int i;
86957e62 5467 int was_ap = is_ap_interface(drv->nlmode);
671a5039 5468 int res;
ebffdbc4 5469 int mode_switch_res;
1581b38b 5470
a5a187b0
JM		 5471 if (TEST_FAIL())
5472 return -1;
5473
ebffdbc4
CW		 5474 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5475 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
5476 mode_switch_res = 0;
8e12685c 5477
ebffdbc4 5478 if (mode_switch_res == 0) {
ad1e68e6 5479 drv->nlmode = nlmode;
460456f8
JM		 5480 ret = 0;
5481 goto done;
ad1e68e6 5482 }
3f5285e8 5483
ebffdbc4 5484 if (mode_switch_res == -ENODEV)
671a5039
JM		 5485 return -1;
5486
460456f8 5487 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 5488 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
5489 "requested mode - ignore error");
460456f8
JM		 5490 ret = 0;
5491 goto done; /* Already in the requested mode */
5492 }
3f5285e8 5493
3f5285e8
JM		 5494 /* mac80211 doesn't allow mode changes while the device is up, so
5495 * take the device down, try to set the mode again, and bring the
5496 * device back up.
5497 */
26af9dca
JM		 5498 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
5499 "interface down");
5500 for (i = 0; i < 10; i++) {
91724d6f 5501 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 5502 if (res == -EACCES || res == -ENODEV)
5503 break;
ebffdbc4 5504 if (res != 0) {
26af9dca
JM		 5505 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
5506 "interface down");
ebffdbc4
CW		 5507 os_sleep(0, 100000);
5508 continue;
5509 }
3c5d34e3
CW		 5510
5511 /*
5512 * Setting the mode will fail for some drivers if the phy is
5513 * on a frequency that the mode is disallowed in.
5514 */
5515 if (desired_freq_params) {
bdf5ccb2 5516 res = nl80211_set_channel(bss, desired_freq_params, 0);
3c5d34e3
CW		 5517 if (res) {
5518 wpa_printf(MSG_DEBUG,
5519 "nl80211: Failed to set frequency on interface");
5520 }
5521 }
5522
ebffdbc4
CW		 5523 /* Try to set the mode again while the interface is down */
5524 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
5525 if (mode_switch_res == -EBUSY) {
5526 wpa_printf(MSG_DEBUG,
5527 "nl80211: Delaying mode set while interface going down");
5528 os_sleep(0, 100000);
5529 continue;
5530 }
5531 ret = mode_switch_res;
5532 break;
3f5285e8
JM		 5533 }
5534
c6e8e8e4
JM		 5535 if (!ret) {
5536 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
5537 "interface is down");
ad1e68e6 5538 drv->nlmode = nlmode;
7d9c3698 5539 drv->ignore_if_down_event = 1;
c6e8e8e4 5540 }
ad1e68e6 5541
ebffdbc4
CW		 5542 /* Bring the interface back up */
5543 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
5544 if (res != 0) {
5545 wpa_printf(MSG_DEBUG,
5546 "nl80211: Failed to set interface up after switching mode");
5547 ret = -1;
5548 }
5549
460456f8 5550done:
3fd1cefb
JB		 5551 if (ret) {
5552 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
5553 "from %d failed", nlmode, drv->nlmode);
5554 return ret;
5555 }
5556
3e208481
JM		 5557 if (is_p2p_net_interface(nlmode)) {
5558 wpa_printf(MSG_DEBUG,
5559 "nl80211: Interface %s mode change to P2P - disable 11b rates",
5560 bss->ifname);
edb9bfba 5561 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
3e208481
JM		 5562 } else if (drv->disabled_11b_rates) {
5563 wpa_printf(MSG_DEBUG,
5564 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
5565 bss->ifname);
1d0c6fb1 5566 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3e208481 5567 }
edb9bfba 5568
3fd1cefb 5569 if (is_ap_interface(nlmode)) {
36488c05 5570 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 5571 /* Setup additional AP mode functionality if needed */
3fd1cefb 5572 if (nl80211_setup_ap(bss))
460456f8 5573 return -1;
3fd1cefb 5574 } else if (was_ap) {
460456f8 5575 /* Remove additional AP mode functionality */
3fd1cefb 5576 nl80211_teardown_ap(bss);
a11241fa 5577 } else {
36488c05 5578 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 5579 }
460456f8 5580
afb0550a
BC		 5581 if (is_mesh_interface(nlmode) &&
5582 nl80211_mgmt_subscribe_mesh(bss))
5583 return -1;
5584
873d0fcf 5585 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
afb0550a 5586 !is_mesh_interface(nlmode) &&
a11241fa
JB		 5587 nl80211_mgmt_subscribe_non_ap(bss) < 0)
5588 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
5589 "frame processing - ignore for now");
08359050 5590
3fd1cefb 5591 return 0;
3f5285e8
JM		 5592}
5593
5594
f3407c66
JM		 5595int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
5596 enum nl80211_iftype nlmode)
3c5d34e3
CW		 5597{
5598 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
5599}
5600
5601
4ec68377
JD		 5602static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
5603 struct hostapd_freq_params *freq)
3c5d34e3 5604{
3c5d34e3 5605 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4ec68377 5606 freq);
3c5d34e3 5607}
65d645ce
AS		 5608
5609
3f5285e8
JM		 5610static int wpa_driver_nl80211_get_capa(void *priv,
5611 struct wpa_driver_capa *capa)
5612{
a2e40bb6
FF		 5613 struct i802_bss *bss = priv;
5614 struct wpa_driver_nl80211_data *drv = bss->drv;
65d645ce 5615
3f5285e8
JM		 5616 if (!drv->has_capability)
5617 return -1;
5618 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 5619 if (drv->extended_capa && drv->extended_capa_mask) {
5620 capa->extended_capa = drv->extended_capa;
5621 capa->extended_capa_mask = drv->extended_capa_mask;
5622 capa->extended_capa_len = drv->extended_capa_len;
5623 }
851b0c55 5624
906bc4c7 5625 return 0;
3f5285e8
JM		 5626}
5627
5628
5629static int wpa_driver_nl80211_set_operstate(void *priv, int state)
5630{
a2e40bb6
FF		 5631 struct i802_bss *bss = priv;
5632 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 5633
90a545cc
JM		 5634 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
5635 bss->ifname, drv->operstate, state,
5636 state ? "UP" : "DORMANT");
3f5285e8 5637 drv->operstate = state;
36d84860 5638 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 5639 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 5640}
5641
01652550
JM		 5642
5643static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
5644{
a2e40bb6
FF		 5645 struct i802_bss *bss = priv;
5646 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 5647 struct nl_msg *msg;
5648 struct nl80211_sta_flag_update upd;
a862e4a3 5649 int ret;
2eef5177
JM		 5650
5651 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
5652 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
5653 return 0;
5654 }
01652550 5655
1ba51ec0
JM		 5656 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
5657 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
5658
01652550
JM		 5659 os_memset(&upd, 0, sizeof(upd));
5660 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
5661 if (authorized)
5662 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
a862e4a3 5663
13f83980 5664 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5665 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
5666 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
5667 nlmsg_free(msg);
5668 return -ENOBUFS;
5669 }
01652550 5670
2eef5177 5671 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2eef5177
JM		 5672 if (!ret)
5673 return 0;
2eef5177
JM		 5674 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
5675 ret, strerror(-ret));
5676 return ret;
01652550
JM		 5677}
5678
3f5285e8 5679
f07ead6a
JM		 5680/* Set kernel driver on given frequency (MHz) */
5681static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 5682{
f07ead6a 5683 struct i802_bss *bss = priv;
13a524a3 5684 return nl80211_set_channel(bss, freq, 0);
c5121837
JM		 5685}
5686
f7b3920c 5687
c5121837
JM		 5688static inline int min_int(int a, int b)
5689{
5690 if (a < b)
5691 return a;
5692 return b;
5693}
5694
5695
5696static int get_key_handler(struct nl_msg *msg, void *arg)
5697{
5698 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5699 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5700
5701 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5702 genlmsg_attrlen(gnlh, 0), NULL);
5703
5704 /*
5705 * TODO: validate the key index and mac address!
5706 * Otherwise, there's a race condition as soon as
5707 * the kernel starts sending key notifications.
5708 */
5709
5710 if (tb[NL80211_ATTR_KEY_SEQ])
5711 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
5712 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
5713 return NL_SKIP;
5714}
5715
5716
5717static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
5718 int idx, u8 *seq)
5719{
a2e40bb6
FF		 5720 struct i802_bss *bss = priv;
5721 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5722 struct nl_msg *msg;
5723
95376e1a
JM		 5724 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
5725 NL80211_CMD_GET_KEY);
5726 if (!msg ||
a862e4a3 5727 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
95376e1a 5728 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
a862e4a3
JM		 5729 nlmsg_free(msg);
5730 return -ENOBUFS;
5731 }
c5121837
JM		 5732
5733 memset(seq, 0, 6);
5734
5735 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
c5121837
JM		 5736}
5737
5738
c5121837
JM		 5739static int i802_set_rts(void *priv, int rts)
5740{
a2e40bb6
FF		 5741 struct i802_bss *bss = priv;
5742 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 5743 struct nl_msg *msg;
a862e4a3 5744 int ret;
ad649451 5745 u32 val;
c5121837 5746
ad649451
JM		 5747 if (rts >= 2347)
5748 val = (u32) -1;
5749 else
5750 val = rts;
c5121837 5751
9725b784 5752 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 5753 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
5754 nlmsg_free(msg);
5755 return -ENOBUFS;
5756 }
ad649451
JM		 5757
5758 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5759 if (!ret)
5760 return 0;
ad649451
JM		 5761 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
5762 "%d (%s)", rts, ret, strerror(-ret));
5763 return ret;
c5121837
JM		 5764}
5765
5766
5767static int i802_set_frag(void *priv, int frag)
5768{
a2e40bb6
FF		 5769 struct i802_bss *bss = priv;
5770 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451 5771 struct nl_msg *msg;
a862e4a3 5772 int ret;
ad649451 5773 u32 val;
c5121837 5774
ad649451
JM		 5775 if (frag >= 2346)
5776 val = (u32) -1;
5777 else
5778 val = frag;
c5121837 5779
9725b784 5780 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
a862e4a3
JM		 5781 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
5782 nlmsg_free(msg);
5783 return -ENOBUFS;
5784 }
ad649451
JM		 5785
5786 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5787 if (!ret)
5788 return 0;
ad649451
JM		 5789 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
5790 "%d: %d (%s)", frag, ret, strerror(-ret));
5791 return ret;
c5121837
JM		 5792}
5793
5794
c5121837
JM		 5795static int i802_flush(void *priv)
5796{
a2e40bb6 5797 struct i802_bss *bss = priv;
c5121837 5798 struct nl_msg *msg;
82554b10 5799 int res;
c5121837 5800
83e7bb0e
JM		 5801 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5802 bss->ifname);
c5121837
JM		 5803
5804 /*
5805 * XXX: FIX! this needs to flush all VLANs too
5806 */
13f83980
JM		 5807 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5808 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
82554b10
JM		 5809 if (res) {
5810 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5811 "(%s)", res, strerror(-res));
5812 }
5813 return res;
c5121837
JM		 5814}
5815
5816
5817static int get_sta_handler(struct nl_msg *msg, void *arg)
5818{
5819 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5820 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5821 struct hostap_sta_driver_data *data = arg;
5822 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5823 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5824 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5825 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5826 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5827 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5828 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 5829 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
43022abd
NL		 5830 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
5831 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
c5121837
JM		 5832 };
5833
5834 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5835 genlmsg_attrlen(gnlh, 0), NULL);
5836
5837 /*
5838 * TODO: validate the interface and mac address!
5839 * Otherwise, there's a race condition as soon as
5840 * the kernel starts sending station notifications.
5841 */
5842
5843 if (!tb[NL80211_ATTR_STA_INFO]) {
5844 wpa_printf(MSG_DEBUG, "sta stats missing!");
5845 return NL_SKIP;
5846 }
5847 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5848 tb[NL80211_ATTR_STA_INFO],
5849 stats_policy)) {
5850 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5851 return NL_SKIP;
5852 }
5853
5854 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5855 data->inactive_msec =
5856 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
43022abd 5857 /* For backwards compatibility, fetch the 32-bit counters first. */
c5121837
JM		 5858 if (stats[NL80211_STA_INFO_RX_BYTES])
5859 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5860 if (stats[NL80211_STA_INFO_TX_BYTES])
5861 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
43022abd
NL		 5862 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
5863 stats[NL80211_STA_INFO_TX_BYTES64]) {
5864 /*
5865 * The driver supports 64-bit counters, so use them to override
5866 * the 32-bit values.
5867 */
5868 data->rx_bytes =
5869 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
5870 data->tx_bytes =
5871 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
5872 data->bytes_64bit = 1;
5873 }
c5121837
JM		 5874 if (stats[NL80211_STA_INFO_RX_PACKETS])
5875 data->rx_packets =
5876 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5877 if (stats[NL80211_STA_INFO_TX_PACKETS])
5878 data->tx_packets =
5879 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 5880 if (stats[NL80211_STA_INFO_TX_FAILED])
5881 data->tx_retry_failed =
5882 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 5883
5884 return NL_SKIP;
5885}
5886
9ebce9c5
JM		 5887static int i802_read_sta_data(struct i802_bss *bss,
5888 struct hostap_sta_driver_data *data,
c5121837
JM		 5889 const u8 *addr)
5890{
c5121837
JM		 5891 struct nl_msg *msg;
5892
13f83980
JM		 5893 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
5894 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
a862e4a3
JM		 5895 nlmsg_free(msg);
5896 return -ENOBUFS;
5897 }
c5121837 5898
13f83980 5899 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
c5121837
JM		 5900}
5901
5902
c5121837
JM		 5903static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
5904 int cw_min, int cw_max, int burst_time)
5905{
a2e40bb6
FF		 5906 struct i802_bss *bss = priv;
5907 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 5908 struct nl_msg *msg;
5909 struct nlattr *txq, *params;
5910
13f83980 5911 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
c5121837
JM		 5912 if (!msg)
5913 return -1;
5914
c5121837
JM		 5915 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
5916 if (!txq)
a862e4a3 5917 goto fail;
c5121837
JM		 5918
5919 /* We are only sending parameters for a single TXQ at a time */
5920 params = nla_nest_start(msg, 1);
5921 if (!params)
a862e4a3 5922 goto fail;
c5121837 5923
7e3c1781
JM		 5924 switch (queue) {
5925 case 0:
a862e4a3
JM		 5926 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
5927 goto fail;
7e3c1781
JM		 5928 break;
5929 case 1:
a862e4a3
JM		 5930 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
5931 goto fail;
7e3c1781
JM		 5932 break;
5933 case 2:
a862e4a3
JM		 5934 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
5935 goto fail;
7e3c1781
JM		 5936 break;
5937 case 3:
a862e4a3
JM		 5938 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
5939 goto fail;
7e3c1781
JM		 5940 break;
5941 }
c5121837
JM		 5942 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5943 * 32 usec, so need to convert the value here. */
a862e4a3
JM		 5944 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
5945 (burst_time * 100 + 16) / 32) ||
5946 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
5947 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
5948 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
5949 goto fail;
c5121837
JM		 5950
5951 nla_nest_end(msg, params);
5952
5953 nla_nest_end(msg, txq);
5954
5955 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5956 return 0;
9e088e74 5957 msg = NULL;
a862e4a3 5958fail:
9e088e74 5959 nlmsg_free(msg);
c5121837
JM		 5960 return -1;
5961}
5962
5963
9ebce9c5 5964static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 5965 const char *ifname, int vlan_id)
5966{
a2e40bb6 5967 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 5968 struct nl_msg *msg;
a862e4a3 5969 int ret;
c5121837 5970
bbc706a3
JM		 5971 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5972 ", ifname=%s[%d], vlan_id=%d)",
5973 bss->ifname, if_nametoindex(bss->ifname),
5974 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
13f83980 5975 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
a862e4a3
JM		 5976 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5977 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
5978 nlmsg_free(msg);
5979 return -ENOBUFS;
5980 }
c5121837 5981
cd1d72c1
JM		 5982 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5983 if (ret < 0) {
5984 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5985 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
5986 MAC2STR(addr), ifname, vlan_id, ret,
5987 strerror(-ret));
5988 }
cd1d72c1 5989 return ret;
c5121837
JM		 5990}
5991
fbbfcbac 5992
c5121837
JM		 5993static int i802_get_inact_sec(void *priv, const u8 *addr)
5994{
5995 struct hostap_sta_driver_data data;
5996 int ret;
5997
7824bf77 5998 os_memset(&data, 0, sizeof(data));
c5121837
JM		 5999 data.inactive_msec = (unsigned long) -1;
6000 ret = i802_read_sta_data(priv, &data, addr);
b9749bac
MH		 6001 if (ret == -ENOENT)
6002 return -ENOENT;
c5121837
JM		 6003 if (ret || data.inactive_msec == (unsigned long) -1)
6004 return -1;
6005 return data.inactive_msec / 1000;
6006}
6007
6008
6009static int i802_sta_clear_stats(void *priv, const u8 *addr)
6010{
6011#if 0
6012 /* TODO */
6013#endif
6014 return 0;
6015}
6016
6017
731723a5
JM		 6018static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
6019 int reason)
c5121837 6020{
a2e40bb6 6021 struct i802_bss *bss = priv;
e1bd4e19 6022 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 6023 struct ieee80211_mgmt mgmt;
05e5e615
DL		 6024 u8 channel;
6025
6026 if (ieee80211_freq_to_chan(bss->freq, &channel) ==
6027 HOSTAPD_MODE_IEEE80211AD) {
6028 /* Deauthentication is not used in DMG/IEEE 802.11ad;
6029 * disassociate the STA instead. */
6030 return i802_sta_disassoc(priv, own_addr, addr, reason);
6031 }
c5121837 6032
0d391b03
BC		 6033 if (is_mesh_interface(drv->nlmode))
6034 return -1;
6035
e1bd4e19 6036 if (drv->device_ap_sme)
59d7148a 6037 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
e1bd4e19 6038
c5121837
JM		 6039 memset(&mgmt, 0, sizeof(mgmt));
6040 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6041 WLAN_FC_STYPE_DEAUTH);
6042 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6043 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6044 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6045 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 6046 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6047 IEEE80211_HDRLEN +
9ebce9c5 6048 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
2d3943ce 6049 0, NULL, 0);
c5121837
JM		 6050}
6051
6052
731723a5
JM		 6053static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
6054 int reason)
c5121837 6055{
a2e40bb6 6056 struct i802_bss *bss = priv;
e1bd4e19 6057 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 6058 struct ieee80211_mgmt mgmt;
6059
0d391b03
BC		 6060 if (is_mesh_interface(drv->nlmode))
6061 return -1;
6062
e1bd4e19 6063 if (drv->device_ap_sme)
59d7148a 6064 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
e1bd4e19 6065
c5121837
JM		 6066 memset(&mgmt, 0, sizeof(mgmt));
6067 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
6068 WLAN_FC_STYPE_DISASSOC);
6069 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 6070 memcpy(mgmt.sa, own_addr, ETH_ALEN);
6071 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 6072 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 6073 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 6074 IEEE80211_HDRLEN +
9ebce9c5 6075 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
2d3943ce 6076 0, NULL, 0);
c5121837
JM		 6077}
6078
6079
9b4d9c8b
JM		 6080static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
6081{
6082 char buf[200], *pos, *end;
6083 int i, res;
6084
6085 pos = buf;
6086 end = pos + sizeof(buf);
6087
6088 for (i = 0; i < drv->num_if_indices; i++) {
6089 if (!drv->if_indices[i])
6090 continue;
732b1d20
MB		 6091 res = os_snprintf(pos, end - pos, " %d(%d)",
6092 drv->if_indices[i],
6093 drv->if_indices_reason[i]);
d85e1fc8 6094 if (os_snprintf_error(end - pos, res))
9b4d9c8b
JM		 6095 break;
6096 pos += res;
6097 }
6098 *pos = '\0';
6099
6100 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
6101 drv->num_if_indices, buf);
6102}
6103
6104
732b1d20
MB		 6105static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6106 int ifidx_reason)
f07ead6a
JM		 6107{
6108 int i;
732b1d20 6109 int *old, *old_reason;
f07ead6a 6110
732b1d20
MB		 6111 wpa_printf(MSG_DEBUG,
6112 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
6113 ifidx, ifidx_reason);
6114 if (have_ifidx(drv, ifidx, ifidx_reason)) {
b36935be
MB		 6115 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
6116 ifidx);
6117 return;
6118 }
f07ead6a
JM		 6119 for (i = 0; i < drv->num_if_indices; i++) {
6120 if (drv->if_indices[i] == 0) {
6121 drv->if_indices[i] = ifidx;
732b1d20 6122 drv->if_indices_reason[i] = ifidx_reason;
9b4d9c8b 6123 dump_ifidx(drv);
f07ead6a
JM		 6124 return;
6125 }
6126 }
6127
6128 if (drv->if_indices != drv->default_if_indices)
6129 old = drv->if_indices;
6130 else
6131 old = NULL;
6132
732b1d20
MB		 6133 if (drv->if_indices_reason != drv->default_if_indices_reason)
6134 old_reason = drv->if_indices_reason;
6135 else
6136 old_reason = NULL;
6137
067ffa26
JM		 6138 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
6139 sizeof(int));
732b1d20
MB		 6140 drv->if_indices_reason = os_realloc_array(old_reason,
6141 drv->num_if_indices + 1,
6142 sizeof(int));
f07ead6a
JM		 6143 if (!drv->if_indices) {
6144 if (!old)
6145 drv->if_indices = drv->default_if_indices;
6146 else
6147 drv->if_indices = old;
732b1d20
MB		 6148 }
6149 if (!drv->if_indices_reason) {
6150 if (!old_reason)
6151 drv->if_indices_reason = drv->default_if_indices_reason;
6152 else
29eddc3d 6153 drv->if_indices_reason = old_reason;
732b1d20
MB		 6154 }
6155 if (!drv->if_indices || !drv->if_indices_reason) {
f07ead6a
JM		 6156 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
6157 "interfaces");
6158 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
6159 return;
732b1d20
MB		 6160 }
6161 if (!old)
f07ead6a
JM		 6162 os_memcpy(drv->if_indices, drv->default_if_indices,
6163 sizeof(drv->default_if_indices));
732b1d20
MB		 6164 if (!old_reason)
6165 os_memcpy(drv->if_indices_reason,
6166 drv->default_if_indices_reason,
6167 sizeof(drv->default_if_indices_reason));
f07ead6a 6168 drv->if_indices[drv->num_if_indices] = ifidx;
732b1d20 6169 drv->if_indices_reason[drv->num_if_indices] = ifidx_reason;
f07ead6a 6170 drv->num_if_indices++;
9b4d9c8b 6171 dump_ifidx(drv);
f07ead6a
JM		 6172}
6173
6174
732b1d20
MB		 6175static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6176 int ifidx_reason)
f07ead6a
JM		 6177{
6178 int i;
6179
6180 for (i = 0; i < drv->num_if_indices; i++) {
732b1d20
MB		 6181 if ((drv->if_indices[i] == ifidx || ifidx == IFIDX_ANY) &&
6182 (drv->if_indices_reason[i] == ifidx_reason ||
6183 ifidx_reason == IFIDX_ANY)) {
f07ead6a
JM		 6184 drv->if_indices[i] = 0;
6185 break;
6186 }
6187 }
9b4d9c8b 6188 dump_ifidx(drv);
f07ead6a
JM		 6189}
6190
6191
732b1d20
MB		 6192static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
6193 int ifidx_reason)
f07ead6a
JM		 6194{
6195 int i;
6196
6197 for (i = 0; i < drv->num_if_indices; i++)
732b1d20
MB		 6198 if (drv->if_indices[i] == ifidx &&
6199 (drv->if_indices_reason[i] == ifidx_reason ||
6200 ifidx_reason == IFIDX_ANY))
f07ead6a
JM		 6201 return 1;
6202
6203 return 0;
6204}
6205
6206
6207static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
0e80ea2c 6208 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 6209{
6210 struct i802_bss *bss = priv;
6211 struct wpa_driver_nl80211_data *drv = bss->drv;
6212 char name[IFNAMSIZ + 1];
6213
6214 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 6215 if (ifname_wds)
6216 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
6217
f07ead6a
JM		 6218 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
6219 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
6220 if (val) {
6221 if (!if_nametoindex(name)) {
6222 if (nl80211_create_iface(drv, name,
6223 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 6224 bss->addr, 1, NULL, NULL, 0) <
6225 0)
f07ead6a
JM		 6226 return -1;
6227 if (bridge_ifname &&
c81eff1a
BG		 6228 linux_br_add_if(drv->global->ioctl_sock,
6229 bridge_ifname, name) < 0)
f07ead6a
JM		 6230 return -1;
6231 }
75227f3a
JM		 6232 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
6233 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
6234 "interface %s up", name);
6235 }
f07ead6a
JM		 6236 return i802_set_sta_vlan(priv, addr, name, 0);
6237 } else {
c34e618d
FF		 6238 if (bridge_ifname)
6239 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
6240 name);
6241
f07ead6a 6242 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25
FF		 6243 nl80211_remove_iface(drv, if_nametoindex(name));
6244 return 0;
f07ead6a
JM		 6245 }
6246}
6247
6248
6249static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
6250{
6251 struct wpa_driver_nl80211_data *drv = eloop_ctx;
6252 struct sockaddr_ll lladdr;
6253 unsigned char buf[3000];
6254 int len;
6255 socklen_t fromlen = sizeof(lladdr);
6256
6257 len = recvfrom(sock, buf, sizeof(buf), 0,
6258 (struct sockaddr *)&lladdr, &fromlen);
6259 if (len < 0) {
7ac3616d
JM		 6260 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
6261 strerror(errno));
f07ead6a
JM		 6262 return;
6263 }
6264
732b1d20 6265 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
f07ead6a
JM		 6266 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
6267}
6268
6269
94627f6c 6270static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 6271 struct i802_bss *bss,
94627f6c
JM		 6272 const char *brname, const char *ifname)
6273{
6c6678e7 6274 int br_ifindex;
94627f6c
JM		 6275 char in_br[IFNAMSIZ];
6276
e17a2477 6277 os_strlcpy(bss->brname, brname, IFNAMSIZ);
6c6678e7 6278 br_ifindex = if_nametoindex(brname);
6c6678e7 6279 if (br_ifindex == 0) {
94627f6c
JM		 6280 /*
6281 * Bridge was configured, but the bridge device does
6282 * not exist. Try to add it now.
6283 */
c81eff1a 6284 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 6285 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
6286 "bridge interface %s: %s",
6287 brname, strerror(errno));
6288 return -1;
6289 }
e17a2477 6290 bss->added_bridge = 1;
8997613c 6291 br_ifindex = if_nametoindex(brname);
732b1d20 6292 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 6293 }
8997613c 6294 bss->br_ifindex = br_ifindex;
94627f6c
JM		 6295
6296 if (linux_br_get(in_br, ifname) == 0) {
6297 if (os_strcmp(in_br, brname) == 0)
6298 return 0; /* already in the bridge */
6299
6300 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
6301 "bridge %s", ifname, in_br);
c81eff1a
BG		 6302 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
6303 0) {
94627f6c
JM		 6304 wpa_printf(MSG_ERROR, "nl80211: Failed to "
6305 "remove interface %s from bridge "
6306 "%s: %s",
6307 ifname, brname, strerror(errno));
6308 return -1;
6309 }
6310 }
6311
6312 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
6313 ifname, brname);
c81eff1a 6314 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 6315 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
6316 "into bridge %s: %s",
6317 ifname, brname, strerror(errno));
6318 return -1;
6319 }
e17a2477 6320 bss->added_if_into_bridge = 1;
94627f6c
JM		 6321
6322 return 0;
6323}
6324
6325
92f475b4
JM		 6326static void *i802_init(struct hostapd_data *hapd,
6327 struct wpa_init_params *params)
c5121837
JM		 6328{
6329 struct wpa_driver_nl80211_data *drv;
a2e40bb6 6330 struct i802_bss *bss;
c5121837 6331 size_t i;
cb05808c
AN		 6332 char master_ifname[IFNAMSIZ];
6333 int ifindex, br_ifindex = 0;
94627f6c 6334 int br_added = 0;
c5121837 6335
0d547d5f
JM		 6336 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
6337 params->global_priv, 1,
0ecff8d7 6338 params->bssid, params->driver_params);
a2e40bb6 6339 if (bss == NULL)
c5121837 6340 return NULL;
c5121837 6341
a2e40bb6 6342 drv = bss->drv;
7635bfb0 6343
cb05808c 6344 if (linux_br_get(master_ifname, params->ifname) == 0) {
94627f6c 6345 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
cb05808c
AN		 6346 params->ifname, master_ifname);
6347 br_ifindex = if_nametoindex(master_ifname);
6348 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6349 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
6350 linux_master_get(master_ifname, params->ifname) == 0) {
6351 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
6352 params->ifname, master_ifname);
6353 /* start listening for EAPOL on the master interface */
732b1d20 6354 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
f2d6c17a
DL		 6355
6356 /* check if master itself is under bridge */
6357 if (linux_br_get(master_ifname, master_ifname) == 0) {
6358 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
6359 master_ifname);
6360 br_ifindex = if_nametoindex(master_ifname);
6361 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
6362 }
94627f6c 6363 } else {
cb05808c 6364 master_ifname[0] = '\0';
94627f6c 6365 }
cb05808c 6366
6c6678e7 6367 bss->br_ifindex = br_ifindex;
94627f6c 6368
92f475b4 6369 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 6370 if (params->bridge[i]) {
6371 ifindex = if_nametoindex(params->bridge[i]);
6372 if (ifindex)
732b1d20 6373 add_ifidx(drv, ifindex, drv->ifindex);
94627f6c
JM		 6374 if (ifindex == br_ifindex)
6375 br_added = 1;
6376 }
c5121837 6377 }
c5121837 6378
ad1e68e6 6379 /* start listening for EAPOL on the default AP interface */
732b1d20 6380 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
ad1e68e6 6381
5ef8e39f
JM		 6382 if (params->num_bridge && params->bridge[0]) {
6383 if (i802_check_bridge(drv, bss, params->bridge[0],
6384 params->ifname) < 0)
6385 goto failed;
cb05808c 6386 if (os_strcmp(params->bridge[0], master_ifname) != 0)
5ef8e39f
JM		 6387 br_added = 1;
6388 }
6389
6390 if (!br_added && br_ifindex &&
6391 (params->num_bridge == 0 || !params->bridge[0]))
732b1d20 6392 add_ifidx(drv, br_ifindex, drv->ifindex);
94627f6c 6393
97ed9a06
KP		 6394#ifdef CONFIG_LIBNL3_ROUTE
6395 if (bss->added_if_into_bridge) {
6396 drv->rtnl_sk = nl_socket_alloc();
6397 if (drv->rtnl_sk == NULL) {
6398 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
6399 goto failed;
6400 }
6401
6402 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
6403 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
6404 strerror(errno));
6405 goto failed;
6406 }
6407 }
6408#endif /* CONFIG_LIBNL3_ROUTE */
6409
ad1e68e6
JM		 6410 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
6411 if (drv->eapol_sock < 0) {
7ac3616d
JM		 6412 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
6413 strerror(errno));
bbaf0837 6414 goto failed;
ad1e68e6
JM		 6415 }
6416
6417 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
6418 {
7ac3616d 6419 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 6420 goto failed;
ad1e68e6
JM		 6421 }
6422
c81eff1a
BG		 6423 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
6424 params->own_addr))
bbaf0837 6425 goto failed;
fee354c7 6426 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
c5121837 6427
341eebee
JB		 6428 memcpy(bss->addr, params->own_addr, ETH_ALEN);
6429
a2e40bb6 6430 return bss;
c5121837
JM		 6431
6432failed:
7635bfb0 6433 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 6434 return NULL;
6435}
c5121837 6436
c5121837 6437
bbaf0837
JM		 6438static void i802_deinit(void *priv)
6439{
9ebce9c5
JM		 6440 struct i802_bss *bss = priv;
6441 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 6442}
6443
c5121837 6444
22a7c9d7
JM		 6445static enum nl80211_iftype wpa_driver_nl80211_if_type(
6446 enum wpa_driver_if_type type)
6447{
6448 switch (type) {
6449 case WPA_IF_STATION:
9f51b113 6450 return NL80211_IFTYPE_STATION;
75bde05d
JM		 6451 case WPA_IF_P2P_CLIENT:
6452 case WPA_IF_P2P_GROUP:
9f51b113 6453 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 6454 case WPA_IF_AP_VLAN:
6455 return NL80211_IFTYPE_AP_VLAN;
6456 case WPA_IF_AP_BSS:
6457 return NL80211_IFTYPE_AP;
9f51b113
JB		 6458 case WPA_IF_P2P_GO:
6459 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 6460 case WPA_IF_P2P_DEVICE:
6461 return NL80211_IFTYPE_P2P_DEVICE;
5b78493f
MH		 6462 case WPA_IF_MESH:
6463 return NL80211_IFTYPE_MESH_POINT;
98342208
AK		 6464 default:
6465 return -1;
22a7c9d7 6466 }
22a7c9d7
JM		 6467}
6468
6469
f2ed8023
JM		 6470static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
6471{
6472 struct wpa_driver_nl80211_data *drv;
6473 dl_list_for_each(drv, &global->interfaces,
6474 struct wpa_driver_nl80211_data, list) {
834ee56f 6475 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 6476 return 1;
6477 }
6478 return 0;
6479}
6480
6481
5b78493f 6482static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
f2ed8023
JM		 6483{
6484 unsigned int idx;
6485
6486 if (!drv->global)
6487 return -1;
6488
834ee56f 6489 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 6490 for (idx = 0; idx < 64; idx++) {
834ee56f 6491 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 6492 new_addr[0] ^= idx << 2;
6493 if (!nl80211_addr_in_use(drv->global, new_addr))
6494 break;
6495 }
6496 if (idx == 64)
6497 return -1;
6498
5b78493f 6499 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
f2ed8023
JM		 6500 MACSTR, MAC2STR(new_addr));
6501
6502 return 0;
6503}
6504
6505
f632e483
AS		 6506struct wdev_info {
6507 u64 wdev_id;
6508 int wdev_id_set;
6509 u8 macaddr[ETH_ALEN];
6510};
6511
6512static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 6513{
6514 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6515 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 6516 struct wdev_info *wi = arg;
e472e1b4
AS		 6517
6518 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6519 genlmsg_attrlen(gnlh, 0), NULL);
6520 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 6521 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
6522 wi->wdev_id_set = 1;
e472e1b4
AS		 6523 }
6524
6525 if (tb[NL80211_ATTR_MAC])
f632e483 6526 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 6527 ETH_ALEN);
6528
6529 return NL_SKIP;
6530}
6531
6532
7ab68865 6533static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 6534 const char *ifname, const u8 *addr,
f3585c8a 6535 void *bss_ctx, void **drv_priv,
e17a2477 6536 char *force_ifname, u8 *if_addr,
d8a3b66d
AS		 6537 const char *bridge, int use_existing,
6538 int setup_ap)
22a7c9d7 6539{
e472e1b4 6540 enum nl80211_iftype nlmode;
a2e40bb6
FF		 6541 struct i802_bss *bss = priv;
6542 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 6543 int ifidx;
2aec4f3c 6544 int added = 1;
22a7c9d7 6545
f3585c8a
JM		 6546 if (addr)
6547 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 6548 nlmode = wpa_driver_nl80211_if_type(type);
6549 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 6550 struct wdev_info p2pdev_info;
6551
6552 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 6553 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 6554 0, nl80211_wdev_handler,
2aec4f3c 6555 &p2pdev_info, use_existing);
f632e483 6556 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 6557 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
6558 ifname);
e472e1b4
AS		 6559 return -1;
6560 }
f632e483
AS		 6561
6562 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
6563 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
6564 if (!is_zero_ether_addr(p2pdev_info.macaddr))
6565 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
6566 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
6567 ifname,
6568 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 6569 } else {
6570 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 6571 0, NULL, NULL, use_existing);
6572 if (use_existing && ifidx == -ENFILE) {
6573 added = 0;
6574 ifidx = if_nametoindex(ifname);
6575 } else if (ifidx < 0) {
e472e1b4
AS		 6576 return -1;
6577 }
22a7c9d7
JM		 6578 }
6579
ab7a1add 6580 if (!addr) {
8ea8a89c 6581 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
ab7a1add
AS		 6582 os_memcpy(if_addr, bss->addr, ETH_ALEN);
6583 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8ea8a89c 6584 ifname, if_addr) < 0) {
2aec4f3c
JM		 6585 if (added)
6586 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 6587 return -1;
6588 }
c55f774d
JM		 6589 }
6590
c55f774d
JM		 6591 if (!addr &&
6592 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8ea8a89c
JM		 6593 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
6594 type == WPA_IF_STATION)) {
6595 /* Enforce unique address */
ab7a1add 6596 u8 new_addr[ETH_ALEN];
c55f774d 6597
ab7a1add 6598 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 6599 new_addr) < 0) {
ea39367c
MK		 6600 if (added)
6601 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 6602 return -1;
6603 }
f608081c 6604 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d 6605 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8ea8a89c 6606 "for interface %s type %d", ifname, type);
5b78493f 6607 if (nl80211_vif_addr(drv, new_addr) < 0) {
ea39367c
MK		 6608 if (added)
6609 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 6610 return -1;
6611 }
c81eff1a 6612 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d 6613 new_addr) < 0) {
ea39367c
MK		 6614 if (added)
6615 nl80211_remove_iface(drv, ifidx);
c55f774d
JM		 6616 return -1;
6617 }
c55f774d 6618 }
f67eeb5c 6619 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d 6620 }
f3585c8a 6621
d8a3b66d 6622 if (type == WPA_IF_AP_BSS && setup_ap) {
f5eb9da3
JM		 6623 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
6624 if (new_bss == NULL) {
2aec4f3c
JM		 6625 if (added)
6626 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 6627 return -1;
6628 }
6629
6630 if (bridge &&
6631 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
6632 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
6633 "interface %s to a bridge %s",
6634 ifname, bridge);
2aec4f3c
JM		 6635 if (added)
6636 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 6637 os_free(new_bss);
6638 return -1;
6639 }
6640
c81eff1a
BG		 6641 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
6642 {
ea39367c
MK		 6643 if (added)
6644 nl80211_remove_iface(drv, ifidx);
07179987 6645 os_free(new_bss);
22a7c9d7
JM		 6646 return -1;
6647 }
a2e40bb6 6648 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 6649 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 6650 new_bss->ifindex = ifidx;
6651 new_bss->drv = drv;
834ee56f
KP		 6652 new_bss->next = drv->first_bss->next;
6653 new_bss->freq = drv->first_bss->freq;
a5e1eb20 6654 new_bss->ctx = bss_ctx;
2aec4f3c 6655 new_bss->added_if = added;
834ee56f 6656 drv->first_bss->next = new_bss;
a2e40bb6
FF		 6657 if (drv_priv)
6658 *drv_priv = new_bss;
cc7a48d1 6659 nl80211_init_bss(new_bss);
3dd1d890
YAP		 6660
6661 /* Subscribe management frames for this WPA_IF_AP_BSS */
6662 if (nl80211_setup_ap(new_bss))
6663 return -1;
22a7c9d7 6664 }
22a7c9d7 6665
ff6a158b
JM		 6666 if (drv->global)
6667 drv->global->if_add_ifindex = ifidx;
6668
d1bb7aed
JJ		 6669 /*
6670 * Some virtual interfaces need to process EAPOL packets and events on
6671 * the parent interface. This is used mainly with hostapd.
6672 */
6673 if (ifidx > 0 &&
6674 (drv->hostapd ||
6675 nlmode == NL80211_IFTYPE_AP_VLAN ||
6676 nlmode == NL80211_IFTYPE_WDS ||
6677 nlmode == NL80211_IFTYPE_MONITOR))
732b1d20 6678 add_ifidx(drv, ifidx, IFIDX_ANY);
b36935be 6679
22a7c9d7
JM		 6680 return 0;
6681}
6682
6683
9ebce9c5 6684static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 6685 enum wpa_driver_if_type type,
6686 const char *ifname)
6687{
a2e40bb6 6688 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 6689 int ifindex = if_nametoindex(ifname);
6690
2aec4f3c
JM		 6691 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
6692 __func__, type, ifname, ifindex, bss->added_if);
158b090c 6693 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 6694 nl80211_remove_iface(drv, ifindex);
de884303
JM		 6695 else if (ifindex > 0 && !bss->added_if) {
6696 struct wpa_driver_nl80211_data *drv2;
6697 dl_list_for_each(drv2, &drv->global->interfaces,
732b1d20
MB		 6698 struct wpa_driver_nl80211_data, list) {
6699 del_ifidx(drv2, ifindex, IFIDX_ANY);
6700 del_ifidx(drv2, IFIDX_ANY, ifindex);
6701 }
de884303 6702 }
c34e618d 6703
c34e618d
FF		 6704 if (type != WPA_IF_AP_BSS)
6705 return 0;
6706
e17a2477 6707 if (bss->added_if_into_bridge) {
c81eff1a
BG		 6708 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
6709 bss->ifname) < 0)
e17a2477
JM		 6710 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6711 "interface %s from bridge %s: %s",
6712 bss->ifname, bss->brname, strerror(errno));
6713 }
6714 if (bss->added_bridge) {
c81eff1a 6715 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 6716 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6717 "bridge %s: %s",
6718 bss->brname, strerror(errno));
6719 }
a2e40bb6 6720
834ee56f 6721 if (bss != drv->first_bss) {
8546ea19 6722 struct i802_bss *tbss;
a2e40bb6 6723
2aec4f3c 6724 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 6725 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 6726 if (tbss->next == bss) {
6727 tbss->next = bss->next;
3dd1d890
YAP		 6728 /* Unsubscribe management frames */
6729 nl80211_teardown_ap(bss);
cc7a48d1 6730 nl80211_destroy_bss(bss);
5c9da160
MB		 6731 if (!bss->added_if)
6732 i802_set_iface_flags(bss, 0);
8546ea19
JM		 6733 os_free(bss);
6734 bss = NULL;
6735 break;
6736 }
22a7c9d7 6737 }
8546ea19
JM		 6738 if (bss)
6739 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
6740 "BSS %p in the list", __func__, bss);
390e489c 6741 } else {
2aec4f3c 6742 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 6743 nl80211_teardown_ap(bss);
2aec4f3c
JM		 6744 if (!bss->added_if && !drv->first_bss->next)
6745 wpa_driver_nl80211_del_beacon(drv);
390e489c 6746 nl80211_destroy_bss(bss);
2aec4f3c
JM		 6747 if (!bss->added_if)
6748 i802_set_iface_flags(bss, 0);
390e489c
KP		 6749 if (drv->first_bss->next) {
6750 drv->first_bss = drv->first_bss->next;
6751 drv->ctx = drv->first_bss->ctx;
6752 os_free(bss);
6753 } else {
6754 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
6755 }
22a7c9d7 6756 }
22a7c9d7
JM		 6757
6758 return 0;
6759}
6760
6761
55777702
JM		 6762static int cookie_handler(struct nl_msg *msg, void *arg)
6763{
6764 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6765 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6766 u64 *cookie = arg;
6767 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6768 genlmsg_attrlen(gnlh, 0), NULL);
6769 if (tb[NL80211_ATTR_COOKIE])
6770 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
6771 return NL_SKIP;
6772}
6773
6774
88df0ef7 6775static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 6776 unsigned int freq, unsigned int wait,
6777 const u8 *buf, size_t buf_len,
88df0ef7 6778 u64 *cookie_out, int no_cck, int no_ack,
2d3943ce
AO		 6779 int offchanok, const u16 *csa_offs,
6780 size_t csa_offs_len)
9884f9cc 6781{
88df0ef7 6782 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 6783 struct nl_msg *msg;
6784 u64 cookie;
6785 int ret = -1;
6786
cc2ada86 6787 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 6788 "no_ack=%d offchanok=%d",
6789 freq, wait, no_cck, no_ack, offchanok);
c91f796f 6790 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9884f9cc 6791
56f77852 6792 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
a862e4a3
JM		 6793 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
6794 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
6795 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6796 drv->test_use_roc_tx) &&
6797 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
6798 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
6799 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
2d3943ce
AO		 6800 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
6801 csa_offs_len * sizeof(u16), csa_offs)) ||
a862e4a3
JM		 6802 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
6803 goto fail;
9884f9cc
JB		 6804
6805 cookie = 0;
6806 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6807 msg = NULL;
6808 if (ret) {
6809 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 6810 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
6811 freq, wait);
a862e4a3
JM		 6812 } else {
6813 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
6814 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
6815 (long long unsigned int) cookie);
9884f9cc 6816
a862e4a3
JM		 6817 if (cookie_out)
6818 *cookie_out = no_ack ? (u64) -1 : cookie;
759a8a3a
JM		 6819
6820 if (drv->num_send_action_cookies == MAX_SEND_ACTION_COOKIES) {
6821 wpa_printf(MSG_DEBUG,
6822 "nl80211: Drop oldest pending send action cookie 0x%llx",
6823 (long long unsigned int)
6824 drv->send_action_cookies[0]);
6825 os_memmove(&drv->send_action_cookies[0],
6826 &drv->send_action_cookies[1],
6827 (MAX_SEND_ACTION_COOKIES - 1) *
6828 sizeof(u64));
6829 drv->num_send_action_cookies--;
6830 }
6831 drv->send_action_cookies[drv->num_send_action_cookies] = cookie;
6832 drv->num_send_action_cookies++;
a862e4a3 6833 }
9884f9cc 6834
a862e4a3 6835fail:
9884f9cc
JB		 6836 nlmsg_free(msg);
6837 return ret;
6838}
6839
6840
9ebce9c5
JM		 6841static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
6842 unsigned int freq,
190b9062 6843 unsigned int wait_time,
58f6fbe0
JM		 6844 const u8 *dst, const u8 *src,
6845 const u8 *bssid,
b106173a
JM		 6846 const u8 *data, size_t data_len,
6847 int no_cck)
58f6fbe0 6848{
a2e40bb6 6849 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 6850 int ret = -1;
58f6fbe0
JM		 6851 u8 *buf;
6852 struct ieee80211_hdr *hdr;
58f6fbe0 6853
5dfca53f 6854 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 6855 "freq=%u MHz wait=%d ms no_cck=%d)",
6856 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 6857
6858 buf = os_zalloc(24 + data_len);
6859 if (buf == NULL)
6860 return ret;
6861 os_memcpy(buf + 24, data, data_len);
6862 hdr = (struct ieee80211_hdr *) buf;
6863 hdr->frame_control =
6864 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
6865 os_memcpy(hdr->addr1, dst, ETH_ALEN);
6866 os_memcpy(hdr->addr2, src, ETH_ALEN);
6867 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
6868
f78f2785
JM		 6869 if (is_ap_interface(drv->nlmode) &&
6870 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6871 (int) freq == bss->freq || drv->device_ap_sme ||
6872 !drv->use_monitor))
9ebce9c5
JM		 6873 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
6874 0, freq, no_cck, 1,
2d3943ce 6875 wait_time, NULL, 0);
9884f9cc 6876 else
88df0ef7 6877 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 6878 24 + data_len,
b106173a 6879 &drv->send_action_cookie,
2d3943ce 6880 no_cck, 0, 1, NULL, 0);
58f6fbe0 6881
f8bf1421 6882 os_free(buf);
58f6fbe0
JM		 6883 return ret;
6884}
6885
6886
759a8a3a 6887static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
5dfca53f 6888{
5dfca53f
JB		 6889 struct wpa_driver_nl80211_data *drv = bss->drv;
6890 struct nl_msg *msg;
6891 int ret;
6892
316a9e4d 6893 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
759a8a3a 6894 (long long unsigned int) cookie);
56f77852 6895 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
759a8a3a 6896 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
a862e4a3
JM		 6897 nlmsg_free(msg);
6898 return;
6899 }
5dfca53f
JB		 6900
6901 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5dfca53f
JB		 6902 if (ret)
6903 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
6904 "(%s)", ret, strerror(-ret));
5dfca53f
JB		 6905}
6906
6907
759a8a3a
JM		 6908static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
6909{
6910 struct i802_bss *bss = priv;
6911 struct wpa_driver_nl80211_data *drv = bss->drv;
6912 unsigned int i;
6913 u64 cookie;
6914
6915 /* Cancel the last pending TX cookie */
6916 nl80211_frame_wait_cancel(bss, drv->send_action_cookie);
6917
6918 /*
6919 * Cancel the other pending TX cookies, if any. This is needed since
6920 * the driver may keep a list of all pending offchannel TX operations
6921 * and free up the radio only once they have expired or cancelled.
6922 */
6923 for (i = drv->num_send_action_cookies; i > 0; i--) {
6924 cookie = drv->send_action_cookies[i - 1];
6925 if (cookie != drv->send_action_cookie)
6926 nl80211_frame_wait_cancel(bss, cookie);
6927 }
6928 drv->num_send_action_cookies = 0;
6929}
6930
6931
55777702
JM		 6932static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
6933 unsigned int duration)
6934{
a2e40bb6
FF		 6935 struct i802_bss *bss = priv;
6936 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 6937 struct nl_msg *msg;
6938 int ret;
6939 u64 cookie;
6940
56f77852 6941 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
a862e4a3
JM		 6942 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
6943 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
6944 nlmsg_free(msg);
6945 return -1;
6946 }
55777702
JM		 6947
6948 cookie = 0;
6949 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6950 if (ret == 0) {
6951 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
6952 "0x%llx for freq=%u MHz duration=%u",
6953 (long long unsigned int) cookie, freq, duration);
6954 drv->remain_on_chan_cookie = cookie;
531f0331 6955 drv->pending_remain_on_chan = 1;
55777702
JM		 6956 return 0;
6957 }
6958 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 6959 "(freq=%d duration=%u): %d (%s)",
6960 freq, duration, ret, strerror(-ret));
55777702
JM		 6961 return -1;
6962}
6963
6964
6965static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
6966{
a2e40bb6
FF		 6967 struct i802_bss *bss = priv;
6968 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 6969 struct nl_msg *msg;
6970 int ret;
6971
6972 if (!drv->pending_remain_on_chan) {
6973 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
6974 "to cancel");
6975 return -1;
6976 }
6977
6978 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
6979 "0x%llx",
6980 (long long unsigned int) drv->remain_on_chan_cookie);
6981
56f77852
JM		 6982 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
6983 if (!msg ||
a862e4a3
JM		 6984 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
6985 nlmsg_free(msg);
6986 return -1;
6987 }
55777702
JM		 6988
6989 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6990 if (ret == 0)
6991 return 0;
6992 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
6993 "%d (%s)", ret, strerror(-ret));
55777702
JM		 6994 return -1;
6995}
6996
6997
9ebce9c5 6998static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 6999{
a2e40bb6 7000 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 7001
5582a5d1 7002 if (!report) {
0d891981 7003 if (bss->nl_preq && drv->device_ap_sme &&
b8d87ed2
AP		 7004 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
7005 !bss->static_ap) {
0d891981
JM		 7006 /*
7007 * Do not disable Probe Request reporting that was
7008 * enabled in nl80211_setup_ap().
7009 */
7010 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
7011 "Probe Request reporting nl_preq=%p while "
7012 "in AP mode", bss->nl_preq);
7013 } else if (bss->nl_preq) {
36488c05
JM		 7014 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
7015 "reporting nl_preq=%p", bss->nl_preq);
5f65e9f7 7016 nl80211_destroy_eloop_handle(&bss->nl_preq);
5582a5d1
JB		 7017 }
7018 return 0;
7019 }
7020
481234cf 7021 if (bss->nl_preq) {
5582a5d1 7022 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 7023 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 7024 return 0;
7025 }
7026
481234cf
JM		 7027 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
7028 if (bss->nl_preq == NULL)
5582a5d1 7029 return -1;
36488c05
JM		 7030 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
7031 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 7032
481234cf 7033 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 7034 (WLAN_FC_TYPE_MGMT << 2) |
7035 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 7036 NULL, 0) < 0)
7037 goto out_err;
5582a5d1 7038
5f65e9f7
JB		 7039 nl80211_register_eloop_read(&bss->nl_preq,
7040 wpa_driver_nl80211_event_receive,
7041 bss->nl_cb);
5582a5d1 7042
504e905c 7043 return 0;
5582a5d1 7044
a92dfde8 7045 out_err:
221a59c9 7046 nl_destroy_handles(&bss->nl_preq);
5582a5d1 7047 return -1;
504e905c
JM		 7048}
7049
7050
4e5cb1a3
JM		 7051static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
7052 int ifindex, int disabled)
7053{
7054 struct nl_msg *msg;
7055 struct nlattr *bands, *band;
7056 int ret;
7057
3e208481
JM		 7058 wpa_printf(MSG_DEBUG,
7059 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
7060 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
7061 "no NL80211_TXRATE_LEGACY constraint");
7062
95376e1a
JM		 7063 msg = nl80211_ifindex_msg(drv, ifindex, 0,
7064 NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 7065 if (!msg)
7066 return -1;
7067
4e5cb1a3
JM		 7068 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
7069 if (!bands)
a862e4a3 7070 goto fail;
4e5cb1a3
JM		 7071
7072 /*
7073 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
7074 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
7075 * rates. All 5 GHz rates are left enabled.
7076 */
7077 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
a862e4a3
JM		 7078 if (!band ||
7079 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
7080 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
7081 goto fail;
4e5cb1a3
JM		 7082 nla_nest_end(msg, band);
7083
7084 nla_nest_end(msg, bands);
7085
7086 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4e5cb1a3
JM		 7087 if (ret) {
7088 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
7089 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 7090 } else
7091 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 7092
7093 return ret;
7094
a862e4a3 7095fail:
4e5cb1a3
JM		 7096 nlmsg_free(msg);
7097 return -1;
7098}
7099
7100
af473088
JM		 7101static int wpa_driver_nl80211_deinit_ap(void *priv)
7102{
a2e40bb6
FF		 7103 struct i802_bss *bss = priv;
7104 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 7105 if (!is_ap_interface(drv->nlmode))
af473088
JM		 7106 return -1;
7107 wpa_driver_nl80211_del_beacon(drv);
9bc5cfa3 7108 bss->beacon_set = 0;
60b13c20
IP		 7109
7110 /*
7111 * If the P2P GO interface was dynamically added, then it is
7112 * possible that the interface change to station is not possible.
7113 */
7114 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
7115 return 0;
7116
b1f625e0 7117 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 7118}
7119
7120
695c7038
SW		 7121static int wpa_driver_nl80211_stop_ap(void *priv)
7122{
7123 struct i802_bss *bss = priv;
7124 struct wpa_driver_nl80211_data *drv = bss->drv;
7125 if (!is_ap_interface(drv->nlmode))
7126 return -1;
7127 wpa_driver_nl80211_del_beacon(drv);
7128 bss->beacon_set = 0;
7129 return 0;
7130}
7131
7132
3c29244e
EP		 7133static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
7134{
7135 struct i802_bss *bss = priv;
7136 struct wpa_driver_nl80211_data *drv = bss->drv;
7137 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
7138 return -1;
60b13c20
IP		 7139
7140 /*
7141 * If the P2P Client interface was dynamically added, then it is
7142 * possible that the interface change to station is not possible.
7143 */
7144 if (bss->if_dynamic)
7145 return 0;
7146
3c29244e
EP		 7147 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
7148}
7149
7150
207ef3fb
JM		 7151static void wpa_driver_nl80211_resume(void *priv)
7152{
a2e40bb6 7153 struct i802_bss *bss = priv;
e8dc205f 7154 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
91724d6f
AS		 7155
7156 if (i802_set_iface_flags(bss, 1))
7157 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
e8dc205f
AO		 7158
7159 if (is_p2p_net_interface(nlmode))
7160 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
207ef3fb
JM		 7161}
7162
7163
b625473c
JM		 7164static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
7165{
7166 struct i802_bss *bss = priv;
7167 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 7168 struct nl_msg *msg;
7169 struct nlattr *cqm;
b625473c
JM		 7170
7171 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
7172 "hysteresis=%d", threshold, hysteresis);
7173
13f83980 7174 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
a862e4a3
JM		 7175 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
7176 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
7177 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
7178 nlmsg_free(msg);
7179 return -1;
7180 }
8970bae8 7181 nla_nest_end(msg, cqm);
21270bb4 7182
a862e4a3 7183 return send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 7184}
7185
7186
2cc8d8f4
AO		 7187static int get_channel_width(struct nl_msg *msg, void *arg)
7188{
7189 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7190 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7191 struct wpa_signal_info *sig_change = arg;
7192
7193 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7194 genlmsg_attrlen(gnlh, 0), NULL);
7195
7196 sig_change->center_frq1 = -1;
7197 sig_change->center_frq2 = -1;
7198 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
7199
7200 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
7201 sig_change->chanwidth = convert2width(
7202 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
7203 if (tb[NL80211_ATTR_CENTER_FREQ1])
7204 sig_change->center_frq1 =
7205 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
7206 if (tb[NL80211_ATTR_CENTER_FREQ2])
7207 sig_change->center_frq2 =
7208 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
7209 }
7210
7211 return NL_SKIP;
7212}
7213
7214
7215static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
7216 struct wpa_signal_info *sig)
7217{
7218 struct nl_msg *msg;
7219
9725b784 7220 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
2cc8d8f4 7221 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
2cc8d8f4
AO		 7222}
7223
7224
1c5c7273
PS		 7225static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
7226{
7227 struct i802_bss *bss = priv;
7228 struct wpa_driver_nl80211_data *drv = bss->drv;
7229 int res;
7230
7231 os_memset(si, 0, sizeof(*si));
7232 res = nl80211_get_link_signal(drv, si);
1d6955e6
JM		 7233 if (res) {
7234 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
7235 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
7236 return res;
7237 si->current_signal = 0;
7238 }
1c5c7273 7239
2cc8d8f4
AO		 7240 res = nl80211_get_channel_width(drv, si);
7241 if (res != 0)
7242 return res;
7243
1c5c7273
PS		 7244 return nl80211_get_link_noise(drv, si);
7245}
7246
7247
b91ab76e
JM		 7248static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
7249 int encrypt)
7250{
7251 struct i802_bss *bss = priv;
55231068 7252 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
2d3943ce 7253 0, 0, 0, 0, NULL, 0);
b91ab76e
JM		 7254}
7255
7256
c55f774d
JM		 7257static int nl80211_set_param(void *priv, const char *param)
7258{
ef24ad3e
JM		 7259 struct i802_bss *bss = priv;
7260 struct wpa_driver_nl80211_data *drv = bss->drv;
7261
c55f774d
JM		 7262 if (param == NULL)
7263 return 0;
99a94f55 7264 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
c55f774d
JM		 7265
7266#ifdef CONFIG_P2P
7267 if (os_strstr(param, "use_p2p_group_interface=1")) {
7268 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
7269 "interface");
7270 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
7271 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
7272 }
7273#endif /* CONFIG_P2P */
7274
ef24ad3e 7275 if (os_strstr(param, "use_monitor=1"))
327b01d3 7276 drv->use_monitor = 1;
327b01d3
JM		 7277
7278 if (os_strstr(param, "force_connect_cmd=1")) {
327b01d3 7279 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
b497a212 7280 drv->force_connect_cmd = 1;
327b01d3
JM		 7281 }
7282
ef24ad3e 7283 if (os_strstr(param, "force_bss_selection=1"))
4d584d8c 7284 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
4d584d8c 7285
64abb725 7286 if (os_strstr(param, "no_offchannel_tx=1")) {
64abb725
JM		 7287 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
7288 drv->test_use_roc_tx = 1;
7289 }
7290
c55f774d
JM		 7291 return 0;
7292}
7293
7294
45e3fc72 7295static void * nl80211_global_init(void *ctx)
f2ed8023
JM		 7296{
7297 struct nl80211_global *global;
36d84860
BG		 7298 struct netlink_config *cfg;
7299
f2ed8023
JM		 7300 global = os_zalloc(sizeof(*global));
7301 if (global == NULL)
7302 return NULL;
45e3fc72 7303 global->ctx = ctx;
c81eff1a 7304 global->ioctl_sock = -1;
f2ed8023 7305 dl_list_init(&global->interfaces);
ff6a158b 7306 global->if_add_ifindex = -1;
36d84860
BG		 7307
7308 cfg = os_zalloc(sizeof(*cfg));
7309 if (cfg == NULL)
7310 goto err;
7311
7312 cfg->ctx = global;
7313 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
7314 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
7315 global->netlink = netlink_init(cfg);
7316 if (global->netlink == NULL) {
7317 os_free(cfg);
7318 goto err;
7319 }
7320
2a7b66f5
BG		 7321 if (wpa_driver_nl80211_init_nl_global(global) < 0)
7322 goto err;
7323
c81eff1a
BG		 7324 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
7325 if (global->ioctl_sock < 0) {
7ac3616d
JM		 7326 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
7327 strerror(errno));
c81eff1a
BG		 7328 goto err;
7329 }
7330
f2ed8023 7331 return global;
36d84860
BG		 7332
7333err:
7334 nl80211_global_deinit(global);
7335 return NULL;
f2ed8023
JM		 7336}
7337
7338
7339static void nl80211_global_deinit(void *priv)
7340{
7341 struct nl80211_global *global = priv;
7342 if (global == NULL)
7343 return;
7344 if (!dl_list_empty(&global->interfaces)) {
7345 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
7346 "nl80211_global_deinit",
7347 dl_list_len(&global->interfaces));
7348 }
36d84860
BG		 7349
7350 if (global->netlink)
7351 netlink_deinit(global->netlink);
7352
276e2d67
BG		 7353 nl_destroy_handles(&global->nl);
7354
5f65e9f7
JB		 7355 if (global->nl_event)
7356 nl80211_destroy_eloop_handle(&global->nl_event);
d6c9aab8
JB		 7357
7358 nl_cb_put(global->nl_cb);
2a7b66f5 7359
c81eff1a
BG		 7360 if (global->ioctl_sock >= 0)
7361 close(global->ioctl_sock);
7362
f2ed8023
JM		 7363 os_free(global);
7364}
7365
7366
6859f1cb
BG		 7367static const char * nl80211_get_radio_name(void *priv)
7368{
7369 struct i802_bss *bss = priv;
7370 struct wpa_driver_nl80211_data *drv = bss->drv;
7371 return drv->phyname;
7372}
7373
7374
a6efc65d
JM		 7375static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
7376 const u8 *pmkid)
7377{
7378 struct nl_msg *msg;
7379
13f83980 7380 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
a862e4a3
JM		 7381 (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
7382 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
7383 nlmsg_free(msg);
7384 return -ENOBUFS;
7385 }
a6efc65d
JM		 7386
7387 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
a6efc65d
JM		 7388}
7389
7390
7391static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
7392{
7393 struct i802_bss *bss = priv;
7394 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
7395 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
7396}
7397
7398
7399static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
7400{
7401 struct i802_bss *bss = priv;
7402 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
7403 MAC2STR(bssid));
7404 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
7405}
7406
7407
7408static int nl80211_flush_pmkid(void *priv)
7409{
7410 struct i802_bss *bss = priv;
7411 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
7412 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
7413}
7414
7415
0185007c
MK		 7416static void clean_survey_results(struct survey_results *survey_results)
7417{
7418 struct freq_survey *survey, *tmp;
7419
7420 if (dl_list_empty(&survey_results->survey_list))
7421 return;
7422
7423 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
7424 struct freq_survey, list) {
7425 dl_list_del(&survey->list);
7426 os_free(survey);
7427 }
7428}
7429
7430
7431static void add_survey(struct nlattr **sinfo, u32 ifidx,
7432 struct dl_list *survey_list)
7433{
7434 struct freq_survey *survey;
7435
7436 survey = os_zalloc(sizeof(struct freq_survey));
7437 if (!survey)
7438 return;
7439
7440 survey->ifidx = ifidx;
7441 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
7442 survey->filled = 0;
7443
7444 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
7445 survey->nf = (int8_t)
7446 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
7447 survey->filled |= SURVEY_HAS_NF;
7448 }
7449
7450 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
7451 survey->channel_time =
7452 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
7453 survey->filled |= SURVEY_HAS_CHAN_TIME;
7454 }
7455
7456 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
7457 survey->channel_time_busy =
7458 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
7459 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
7460 }
7461
7462 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
7463 survey->channel_time_rx =
7464 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
7465 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
7466 }
7467
7468 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
7469 survey->channel_time_tx =
7470 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
7471 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
7472 }
7473
7474 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)",
7475 survey->freq,
7476 survey->nf,
7477 (unsigned long int) survey->channel_time,
7478 (unsigned long int) survey->channel_time_busy,
7479 (unsigned long int) survey->channel_time_tx,
7480 (unsigned long int) survey->channel_time_rx,
7481 survey->filled);
7482
7483 dl_list_add_tail(survey_list, &survey->list);
7484}
7485
7486
7487static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
7488 unsigned int freq_filter)
7489{
7490 if (!freq_filter)
7491 return 1;
7492
7493 return freq_filter == surveyed_freq;
7494}
7495
7496
7497static int survey_handler(struct nl_msg *msg, void *arg)
7498{
7499 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7500 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7501 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
7502 struct survey_results *survey_results;
7503 u32 surveyed_freq = 0;
7504 u32 ifidx;
7505
7506 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
7507 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
7508 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
7509 };
7510
7511 survey_results = (struct survey_results *) arg;
7512
7513 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7514 genlmsg_attrlen(gnlh, 0), NULL);
7515
e28f39b7
SJ		 7516 if (!tb[NL80211_ATTR_IFINDEX])
7517 return NL_SKIP;
7518
0185007c
MK		 7519 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
7520
7521 if (!tb[NL80211_ATTR_SURVEY_INFO])
7522 return NL_SKIP;
7523
7524 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
7525 tb[NL80211_ATTR_SURVEY_INFO],
7526 survey_policy))
7527 return NL_SKIP;
7528
7529 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
7530 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
7531 return NL_SKIP;
7532 }
7533
7534 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
7535
7536 if (!check_survey_ok(sinfo, surveyed_freq,
7537 survey_results->freq_filter))
7538 return NL_SKIP;
7539
7540 if (survey_results->freq_filter &&
7541 survey_results->freq_filter != surveyed_freq) {
7542 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
7543 surveyed_freq);
7544 return NL_SKIP;
7545 }
7546
7547 add_survey(sinfo, ifidx, &survey_results->survey_list);
7548
7549 return NL_SKIP;
7550}
7551
7552
7553static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
7554{
7555 struct i802_bss *bss = priv;
7556 struct wpa_driver_nl80211_data *drv = bss->drv;
7557 struct nl_msg *msg;
9725b784 7558 int err;
0185007c
MK		 7559 union wpa_event_data data;
7560 struct survey_results *survey_results;
7561
7562 os_memset(&data, 0, sizeof(data));
7563 survey_results = &data.survey_results;
7564
7565 dl_list_init(&survey_results->survey_list);
7566
9725b784 7567 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
0185007c 7568 if (!msg)
a862e4a3 7569 return -ENOBUFS;
0185007c 7570
0185007c
MK		 7571 if (freq)
7572 data.survey_results.freq_filter = freq;
7573
7574 do {
7575 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
7576 err = send_and_recv_msgs(drv, msg, survey_handler,
7577 survey_results);
7578 } while (err > 0);
7579
a862e4a3 7580 if (err)
0185007c 7581 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
a862e4a3
JM		 7582 else
7583 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
0185007c 7584
0185007c 7585 clean_survey_results(survey_results);
0185007c
MK		 7586 return err;
7587}
7588
7589
98cd3d1c
JM		 7590static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
7591 const u8 *kck, size_t kck_len,
b14a210c
JB		 7592 const u8 *replay_ctr)
7593{
7594 struct i802_bss *bss = priv;
7595 struct wpa_driver_nl80211_data *drv = bss->drv;
7596 struct nlattr *replay_nested;
7597 struct nl_msg *msg;
64ae2447 7598 int ret;
b14a210c 7599
64ae2447
JM		 7600 if (!drv->set_rekey_offload)
7601 return;
7602
7603 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
13f83980 7604 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
a862e4a3 7605 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
98cd3d1c
JM		 7606 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
7607 nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck) ||
a862e4a3
JM		 7608 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
7609 replay_ctr)) {
bbd89bfc 7610 nl80211_nlmsg_clear(msg);
a862e4a3
JM		 7611 nlmsg_free(msg);
7612 return;
7613 }
b14a210c
JB		 7614
7615 nla_nest_end(msg, replay_nested);
7616
64ae2447
JM		 7617 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
7618 if (ret == -EOPNOTSUPP) {
7619 wpa_printf(MSG_DEBUG,
7620 "nl80211: Driver does not support rekey offload");
7621 drv->set_rekey_offload = 0;
7622 }
b14a210c
JB		 7623}
7624
7625
39718852
JB		 7626static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
7627 const u8 *addr, int qos)
bcf24348 7628{
39718852
JB		 7629 /* send data frame to poll STA and check whether
7630 * this frame is ACKed */
bcf24348
JB		 7631 struct {
7632 struct ieee80211_hdr hdr;
7633 u16 qos_ctl;
7634 } STRUCT_PACKED nulldata;
7635 size_t size;
7636
7637 /* Send data frame to poll STA and check whether this frame is ACKed */
7638
7639 os_memset(&nulldata, 0, sizeof(nulldata));
7640
7641 if (qos) {
7642 nulldata.hdr.frame_control =
7643 IEEE80211_FC(WLAN_FC_TYPE_DATA,
7644 WLAN_FC_STYPE_QOS_NULL);
7645 size = sizeof(nulldata);
7646 } else {
7647 nulldata.hdr.frame_control =
7648 IEEE80211_FC(WLAN_FC_TYPE_DATA,
7649 WLAN_FC_STYPE_NULLFUNC);
7650 size = sizeof(struct ieee80211_hdr);
7651 }
7652
7653 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
7654 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
7655 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
7656 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
7657
9ebce9c5 7658 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
2d3943ce 7659 0, 0, NULL, 0) < 0)
bcf24348
JB		 7660 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
7661 "send poll frame");
7662}
7663
39718852
JB		 7664static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
7665 int qos)
7666{
7667 struct i802_bss *bss = priv;
7668 struct wpa_driver_nl80211_data *drv = bss->drv;
7669 struct nl_msg *msg;
fc99fab7 7670 int ret;
39718852
JB		 7671
7672 if (!drv->poll_command_supported) {
7673 nl80211_send_null_frame(bss, own_addr, addr, qos);
7674 return;
7675 }
7676
13f83980 7677 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
a862e4a3
JM		 7678 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7679 nlmsg_free(msg);
7680 return;
7681 }
39718852 7682
fc99fab7
JM		 7683 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7684 if (ret < 0) {
7685 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
7686 MACSTR " failed: ret=%d (%s)",
7687 MAC2STR(addr), ret, strerror(-ret));
7688 }
39718852
JB		 7689}
7690
bcf24348 7691
29f338af
JM		 7692static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
7693{
7694 struct nl_msg *msg;
7695
13f83980 7696 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
a862e4a3
JM		 7697 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
7698 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
7699 nlmsg_free(msg);
7700 return -ENOBUFS;
7701 }
29f338af 7702 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
29f338af
JM		 7703}
7704
7705
7706static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
7707 int ctwindow)
7708{
7709 struct i802_bss *bss = priv;
7710
7711 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
7712 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
7713
0de38036
JM		 7714 if (opp_ps != -1 || ctwindow != -1) {
7715#ifdef ANDROID_P2P
7716 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
7717#else /* ANDROID_P2P */
29f338af 7718 return -1; /* Not yet supported */
0de38036
JM		 7719#endif /* ANDROID_P2P */
7720 }
29f338af
JM		 7721
7722 if (legacy_ps == -1)
7723 return 0;
7724 if (legacy_ps != 0 && legacy_ps != 1)
7725 return -1; /* Not yet supported */
7726
7727 return nl80211_set_power_save(bss, legacy_ps);
7728}
7729
7730
04e8003c
JD		 7731static int nl80211_start_radar_detection(void *priv,
7732 struct hostapd_freq_params *freq)
f90e9c1c
SW		 7733{
7734 struct i802_bss *bss = priv;
7735 struct wpa_driver_nl80211_data *drv = bss->drv;
7736 struct nl_msg *msg;
7737 int ret;
7738
04e8003c
JD		 7739 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
7740 freq->freq, freq->ht_enabled, freq->vht_enabled,
7741 freq->bandwidth, freq->center_freq1, freq->center_freq2);
7742
f90e9c1c
SW		 7743 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
7744 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
7745 "detection");
7746 return -1;
7747 }
7748
9725b784 7749 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
a862e4a3
JM		 7750 nl80211_put_freq_params(msg, freq) < 0) {
7751 nlmsg_free(msg);
7752 return -1;
7753 }
f90e9c1c
SW		 7754
7755 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7756 if (ret == 0)
7757 return 0;
7758 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
7759 "%d (%s)", ret, strerror(-ret));
f90e9c1c
SW		 7760 return -1;
7761}
7762
03ea1786
AN		 7763#ifdef CONFIG_TDLS
7764
7765static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
7766 u8 dialog_token, u16 status_code,
984dadc2
AN		 7767 u32 peer_capab, int initiator, const u8 *buf,
7768 size_t len)
03ea1786
AN		 7769{
7770 struct i802_bss *bss = priv;
7771 struct wpa_driver_nl80211_data *drv = bss->drv;
7772 struct nl_msg *msg;
7773
7774 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7775 return -EOPNOTSUPP;
7776
7777 if (!dst)
7778 return -EINVAL;
7779
9725b784 7780 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
a862e4a3
JM		 7781 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7782 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
7783 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
7784 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
7785 goto fail;
96ecea5e
SD		 7786 if (peer_capab) {
7787 /*
7788 * The internal enum tdls_peer_capability definition is
7789 * currently identical with the nl80211 enum
7790 * nl80211_tdls_peer_capability, so no conversion is needed
7791 * here.
7792 */
a862e4a3
JM		 7793 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
7794 peer_capab))
7795 goto fail;
96ecea5e 7796 }
a862e4a3
JM		 7797 if ((initiator &&
7798 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
7799 nla_put(msg, NL80211_ATTR_IE, len, buf))
7800 goto fail;
03ea1786
AN		 7801
7802 return send_and_recv_msgs(drv, msg, NULL, NULL);
7803
a862e4a3 7804fail:
03ea1786
AN		 7805 nlmsg_free(msg);
7806 return -ENOBUFS;
7807}
7808
7809
7810static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
7811{
7812 struct i802_bss *bss = priv;
7813 struct wpa_driver_nl80211_data *drv = bss->drv;
7814 struct nl_msg *msg;
7815 enum nl80211_tdls_operation nl80211_oper;
7816
7817 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7818 return -EOPNOTSUPP;
7819
7820 switch (oper) {
7821 case TDLS_DISCOVERY_REQ:
7822 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
7823 break;
7824 case TDLS_SETUP:
7825 nl80211_oper = NL80211_TDLS_SETUP;
7826 break;
7827 case TDLS_TEARDOWN:
7828 nl80211_oper = NL80211_TDLS_TEARDOWN;
7829 break;
7830 case TDLS_ENABLE_LINK:
7831 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
7832 break;
7833 case TDLS_DISABLE_LINK:
7834 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
7835 break;
7836 case TDLS_ENABLE:
7837 return 0;
7838 case TDLS_DISABLE:
7839 return 0;
7840 default:
7841 return -EINVAL;
7842 }
7843
9725b784 7844 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
a862e4a3 7845 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
a862e4a3
JM		 7846 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
7847 nlmsg_free(msg);
7848 return -ENOBUFS;
7849 }
03ea1786
AN		 7850
7851 return send_and_recv_msgs(drv, msg, NULL, NULL);
03ea1786
AN		 7852}
7853
72b2605f
AN		 7854
7855static int
7856nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
7857 const struct hostapd_freq_params *params)
7858{
7859 struct i802_bss *bss = priv;
7860 struct wpa_driver_nl80211_data *drv = bss->drv;
7861 struct nl_msg *msg;
7862 int ret = -ENOBUFS;
7863
7864 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7865 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7866 return -EOPNOTSUPP;
7867
7868 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
7869 " oper_class=%u freq=%u",
7870 MAC2STR(addr), oper_class, params->freq);
7871 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
7872 if (!msg ||
7873 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7874 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
7875 (ret = nl80211_put_freq_params(msg, params))) {
7876 nlmsg_free(msg);
7877 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
7878 return ret;
7879 }
7880
7881 return send_and_recv_msgs(drv, msg, NULL, NULL);
7882}
7883
7884
7885static int
7886nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
7887{
7888 struct i802_bss *bss = priv;
7889 struct wpa_driver_nl80211_data *drv = bss->drv;
7890 struct nl_msg *msg;
7891
7892 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7893 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7894 return -EOPNOTSUPP;
7895
7896 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
7897 MAC2STR(addr));
7898 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
7899 if (!msg ||
7900 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7901 nlmsg_free(msg);
7902 wpa_printf(MSG_DEBUG,
7903 "nl80211: Could not build TDLS cancel chan switch");
7904 return -ENOBUFS;
7905 }
7906
7907 return send_and_recv_msgs(drv, msg, NULL, NULL);
7908}
7909
03ea1786
AN		 7910#endif /* CONFIG TDLS */
7911
7912
9ebce9c5
JM		 7913static int driver_nl80211_set_key(const char *ifname, void *priv,
7914 enum wpa_alg alg, const u8 *addr,
7915 int key_idx, int set_tx,
7916 const u8 *seq, size_t seq_len,
7917 const u8 *key, size_t key_len)
7918{
7919 struct i802_bss *bss = priv;
7920 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
7921 set_tx, seq, seq_len, key, key_len);
7922}
7923
7924
7925static int driver_nl80211_scan2(void *priv,
7926 struct wpa_driver_scan_params *params)
7927{
7928 struct i802_bss *bss = priv;
b658547d 7929#ifdef CONFIG_DRIVER_NL80211_QCA
adcd7c4b
KV		 7930 struct wpa_driver_nl80211_data *drv = bss->drv;
7931
7932 /*
7933 * Do a vendor specific scan if possible. If only_new_results is
7934 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
7935 * cannot be achieved through a vendor scan. The below condition may
7936 * need to be modified if new scan flags are added in the future whose
7937 * functionality can only be achieved through a normal scan.
7938 */
7939 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
7940 return wpa_driver_nl80211_vendor_scan(bss, params);
b658547d 7941#endif /* CONFIG_DRIVER_NL80211_QCA */
9ebce9c5
JM		 7942 return wpa_driver_nl80211_scan(bss, params);
7943}
7944
7945
7946static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
7947 int reason_code)
7948{
7949 struct i802_bss *bss = priv;
7950 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
7951}
7952
7953
7954static int driver_nl80211_authenticate(void *priv,
7955 struct wpa_driver_auth_params *params)
7956{
7957 struct i802_bss *bss = priv;
7958 return wpa_driver_nl80211_authenticate(bss, params);
7959}
7960
7961
7962static void driver_nl80211_deinit(void *priv)
7963{
7964 struct i802_bss *bss = priv;
7965 wpa_driver_nl80211_deinit(bss);
7966}
7967
7968
7969static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
7970 const char *ifname)
7971{
7972 struct i802_bss *bss = priv;
7973 return wpa_driver_nl80211_if_remove(bss, type, ifname);
7974}
7975
7976
7977static int driver_nl80211_send_mlme(void *priv, const u8 *data,
5d180a77 7978 size_t data_len, int noack,
2d3943ce
AO		 7979 unsigned int freq,
7980 const u16 *csa_offs, size_t csa_offs_len)
9ebce9c5
JM		 7981{
7982 struct i802_bss *bss = priv;
7983 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
2d3943ce
AO		 7984 freq, 0, 0, 0, csa_offs,
7985 csa_offs_len);
9ebce9c5
JM		 7986}
7987
7988
7989static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
7990{
7991 struct i802_bss *bss = priv;
59d7148a 7992 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
9ebce9c5
JM		 7993}
7994
7995
9ebce9c5
JM		 7996static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
7997 const char *ifname, int vlan_id)
7998{
7999 struct i802_bss *bss = priv;
8000 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
8001}
9ebce9c5
JM		 8002
8003
8004static int driver_nl80211_read_sta_data(void *priv,
8005 struct hostap_sta_driver_data *data,
8006 const u8 *addr)
8007{
8008 struct i802_bss *bss = priv;
7824bf77
JC		 8009
8010 os_memset(data, 0, sizeof(*data));
9ebce9c5
JM		 8011 return i802_read_sta_data(bss, data, addr);
8012}
8013
8014
8015static int driver_nl80211_send_action(void *priv, unsigned int freq,
8016 unsigned int wait_time,
8017 const u8 *dst, const u8 *src,
8018 const u8 *bssid,
8019 const u8 *data, size_t data_len,
8020 int no_cck)
8021{
8022 struct i802_bss *bss = priv;
8023 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
8024 bssid, data, data_len, no_cck);
8025}
8026
8027
8028static int driver_nl80211_probe_req_report(void *priv, int report)
8029{
8030 struct i802_bss *bss = priv;
8031 return wpa_driver_nl80211_probe_req_report(bss, report);
8032}
8033
8034
6a1ce395
DG		 8035static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
8036 const u8 *ies, size_t ies_len)
8037{
8038 int ret;
8039 struct nl_msg *msg;
8040 struct i802_bss *bss = priv;
8041 struct wpa_driver_nl80211_data *drv = bss->drv;
8042 u16 mdid = WPA_GET_LE16(md);
8043
6a1ce395 8044 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
9725b784 8045 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
a862e4a3
JM		 8046 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
8047 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
8048 nlmsg_free(msg);
8049 return -ENOBUFS;
8050 }
6a1ce395
DG		 8051
8052 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8053 if (ret) {
8054 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
8055 "err=%d (%s)", ret, strerror(-ret));
8056 }
8057
8058 return ret;
6a1ce395
DG		 8059}
8060
8061
47754718 8062static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
597b94f5
AS		 8063{
8064 struct i802_bss *bss = priv;
8065 struct wpa_driver_nl80211_data *drv = bss->drv;
8066
8067 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
8068 return NULL;
8069
8070 return bss->addr;
8071}
8072
8073
a771c07d
JM		 8074static const char * scan_state_str(enum scan_states scan_state)
8075{
8076 switch (scan_state) {
8077 case NO_SCAN:
8078 return "NO_SCAN";
8079 case SCAN_REQUESTED:
8080 return "SCAN_REQUESTED";
8081 case SCAN_STARTED:
8082 return "SCAN_STARTED";
8083 case SCAN_COMPLETED:
8084 return "SCAN_COMPLETED";
8085 case SCAN_ABORTED:
8086 return "SCAN_ABORTED";
8087 case SCHED_SCAN_STARTED:
8088 return "SCHED_SCAN_STARTED";
8089 case SCHED_SCAN_STOPPED:
8090 return "SCHED_SCAN_STOPPED";
8091 case SCHED_SCAN_RESULTS:
8092 return "SCHED_SCAN_RESULTS";
8093 }
8094
8095 return "??";
8096}
8097
8098
8099static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
8100{
8101 struct i802_bss *bss = priv;
8102 struct wpa_driver_nl80211_data *drv = bss->drv;
8103 int res;
8104 char *pos, *end;
8105
8106 pos = buf;
8107 end = buf + buflen;
8108
8109 res = os_snprintf(pos, end - pos,
8110 "ifindex=%d\n"
8111 "ifname=%s\n"
8112 "brname=%s\n"
8113 "addr=" MACSTR "\n"
8114 "freq=%d\n"
8115 "%s%s%s%s%s",
8116 bss->ifindex,
8117 bss->ifname,
8118 bss->brname,
8119 MAC2STR(bss->addr),
8120 bss->freq,
8121 bss->beacon_set ? "beacon_set=1\n" : "",
8122 bss->added_if_into_bridge ?
8123 "added_if_into_bridge=1\n" : "",
8124 bss->added_bridge ? "added_bridge=1\n" : "",
8125 bss->in_deinit ? "in_deinit=1\n" : "",
8126 bss->if_dynamic ? "if_dynamic=1\n" : "");
d85e1fc8 8127 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8128 return pos - buf;
8129 pos += res;
8130
8131 if (bss->wdev_id_set) {
8132 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
8133 (unsigned long long) bss->wdev_id);
d85e1fc8 8134 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8135 return pos - buf;
8136 pos += res;
8137 }
8138
8139 res = os_snprintf(pos, end - pos,
8140 "phyname=%s\n"
fee354c7 8141 "perm_addr=" MACSTR "\n"
a771c07d
JM		 8142 "drv_ifindex=%d\n"
8143 "operstate=%d\n"
8144 "scan_state=%s\n"
8145 "auth_bssid=" MACSTR "\n"
8146 "auth_attempt_bssid=" MACSTR "\n"
8147 "bssid=" MACSTR "\n"
8148 "prev_bssid=" MACSTR "\n"
8149 "associated=%d\n"
8150 "assoc_freq=%u\n"
8151 "monitor_sock=%d\n"
8152 "monitor_ifidx=%d\n"
8153 "monitor_refcount=%d\n"
8154 "last_mgmt_freq=%u\n"
8155 "eapol_tx_sock=%d\n"
97752f79 8156 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
a771c07d 8157 drv->phyname,
fee354c7 8158 MAC2STR(drv->perm_addr),
a771c07d
JM		 8159 drv->ifindex,
8160 drv->operstate,
8161 scan_state_str(drv->scan_state),
8162 MAC2STR(drv->auth_bssid),
8163 MAC2STR(drv->auth_attempt_bssid),
8164 MAC2STR(drv->bssid),
8165 MAC2STR(drv->prev_bssid),
8166 drv->associated,
8167 drv->assoc_freq,
8168 drv->monitor_sock,
8169 drv->monitor_ifidx,
8170 drv->monitor_refcount,
8171 drv->last_mgmt_freq,
8172 drv->eapol_tx_sock,
8173 drv->ignore_if_down_event ?
8174 "ignore_if_down_event=1\n" : "",
8175 drv->scan_complete_events ?
8176 "scan_complete_events=1\n" : "",
8177 drv->disabled_11b_rates ?
8178 "disabled_11b_rates=1\n" : "",
8179 drv->pending_remain_on_chan ?
8180 "pending_remain_on_chan=1\n" : "",
8181 drv->in_interface_list ? "in_interface_list=1\n" : "",
8182 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
8183 drv->poll_command_supported ?
8184 "poll_command_supported=1\n" : "",
8185 drv->data_tx_status ? "data_tx_status=1\n" : "",
8186 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
8187 drv->retry_auth ? "retry_auth=1\n" : "",
8188 drv->use_monitor ? "use_monitor=1\n" : "",
8189 drv->ignore_next_local_disconnect ?
8190 "ignore_next_local_disconnect=1\n" : "",
d6a36f39 8191 drv->ignore_next_local_deauth ?
97752f79 8192 "ignore_next_local_deauth=1\n" : "");
d85e1fc8 8193 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8194 return pos - buf;
8195 pos += res;
8196
8197 if (drv->has_capability) {
8198 res = os_snprintf(pos, end - pos,
8199 "capa.key_mgmt=0x%x\n"
8200 "capa.enc=0x%x\n"
8201 "capa.auth=0x%x\n"
24bd4e0b 8202 "capa.flags=0x%llx\n"
a0a34d53 8203 "capa.rrm_flags=0x%x\n"
a771c07d
JM		 8204 "capa.max_scan_ssids=%d\n"
8205 "capa.max_sched_scan_ssids=%d\n"
8206 "capa.sched_scan_supported=%d\n"
8207 "capa.max_match_sets=%d\n"
8208 "capa.max_remain_on_chan=%u\n"
8209 "capa.max_stations=%u\n"
8210 "capa.probe_resp_offloads=0x%x\n"
8211 "capa.max_acl_mac_addrs=%u\n"
86056fea
IP		 8212 "capa.num_multichan_concurrent=%u\n"
8213 "capa.mac_addr_rand_sched_scan_supported=%d\n"
079a28f7
AK		 8214 "capa.mac_addr_rand_scan_supported=%d\n"
8215 "capa.conc_capab=%u\n"
8216 "capa.max_conc_chan_2_4=%u\n"
09ea4309
AS		 8217 "capa.max_conc_chan_5_0=%u\n"
8218 "capa.max_sched_scan_plans=%u\n"
8219 "capa.max_sched_scan_plan_interval=%u\n"
8220 "capa.max_sched_scan_plan_iterations=%u\n",
a771c07d
JM		 8221 drv->capa.key_mgmt,
8222 drv->capa.enc,
8223 drv->capa.auth,
24bd4e0b 8224 (unsigned long long) drv->capa.flags,
a0a34d53 8225 drv->capa.rrm_flags,
a771c07d
JM		 8226 drv->capa.max_scan_ssids,
8227 drv->capa.max_sched_scan_ssids,
8228 drv->capa.sched_scan_supported,
8229 drv->capa.max_match_sets,
8230 drv->capa.max_remain_on_chan,
8231 drv->capa.max_stations,
8232 drv->capa.probe_resp_offloads,
8233 drv->capa.max_acl_mac_addrs,
86056fea
IP		 8234 drv->capa.num_multichan_concurrent,
8235 drv->capa.mac_addr_rand_sched_scan_supported,
079a28f7
AK		 8236 drv->capa.mac_addr_rand_scan_supported,
8237 drv->capa.conc_capab,
8238 drv->capa.max_conc_chan_2_4,
09ea4309
AS		 8239 drv->capa.max_conc_chan_5_0,
8240 drv->capa.max_sched_scan_plans,
8241 drv->capa.max_sched_scan_plan_interval,
8242 drv->capa.max_sched_scan_plan_iterations);
d85e1fc8 8243 if (os_snprintf_error(end - pos, res))
a771c07d
JM		 8244 return pos - buf;
8245 pos += res;
8246 }
8247
8248 return pos - buf;
8249}
8250
8251
1c4ffa87
AO		 8252static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
8253{
a862e4a3
JM		 8254 if ((settings->head &&
8255 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
8256 settings->head_len, settings->head)) ||
8257 (settings->tail &&
8258 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
8259 settings->tail_len, settings->tail)) ||
8260 (settings->beacon_ies &&
8261 nla_put(msg, NL80211_ATTR_IE,
8262 settings->beacon_ies_len, settings->beacon_ies)) ||
8263 (settings->proberesp_ies &&
8264 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
8265 settings->proberesp_ies_len, settings->proberesp_ies)) ||
8266 (settings->assocresp_ies &&
8267 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
8268 settings->assocresp_ies_len, settings->assocresp_ies)) ||
8269 (settings->probe_resp &&
8270 nla_put(msg, NL80211_ATTR_PROBE_RESP,
8271 settings->probe_resp_len, settings->probe_resp)))
8272 return -ENOBUFS;
1c4ffa87
AO		 8273
8274 return 0;
1c4ffa87
AO		 8275}
8276
8277
8278static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
8279{
8280 struct nl_msg *msg;
8281 struct i802_bss *bss = priv;
8282 struct wpa_driver_nl80211_data *drv = bss->drv;
8283 struct nlattr *beacon_csa;
8284 int ret = -ENOBUFS;
366179d2
AO		 8285 int csa_off_len = 0;
8286 int i;
1c4ffa87 8287
8d1fdde7 8288 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 8289 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 8290 settings->freq_params.freq, settings->freq_params.bandwidth,
8291 settings->freq_params.center_freq1,
8292 settings->freq_params.center_freq2);
1c4ffa87 8293
991aa9c7 8294 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 8295 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
8296 return -EOPNOTSUPP;
8297 }
8298
8299 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
8300 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
8301 return -EOPNOTSUPP;
8302
366179d2
AO		 8303 /*
8304 * Remove empty counters, assuming Probe Response and Beacon frame
8305 * counters match. This implementation assumes that there are only two
8306 * counters.
8307 */
8308 if (settings->counter_offset_beacon[0] &&
8309 !settings->counter_offset_beacon[1]) {
8310 csa_off_len = 1;
8311 } else if (settings->counter_offset_beacon[1] &&
8312 !settings->counter_offset_beacon[0]) {
8313 csa_off_len = 1;
8314 settings->counter_offset_beacon[0] =
8315 settings->counter_offset_beacon[1];
8316 settings->counter_offset_presp[0] =
8317 settings->counter_offset_presp[1];
8318 } else if (settings->counter_offset_beacon[1] &&
8319 settings->counter_offset_beacon[0]) {
8320 csa_off_len = 2;
8321 } else {
8322 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
8323 return -EINVAL;
8324 }
8325
8326 /* Check CSA counters validity */
8327 if (drv->capa.max_csa_counters &&
8328 csa_off_len > drv->capa.max_csa_counters) {
8329 wpa_printf(MSG_ERROR,
8330 "nl80211: Too many CSA counters provided");
1c4ffa87 8331 return -EINVAL;
366179d2 8332 }
1c4ffa87 8333
366179d2 8334 if (!settings->beacon_csa.tail)
1c4ffa87
AO		 8335 return -EINVAL;
8336
366179d2
AO		 8337 for (i = 0; i < csa_off_len; i++) {
8338 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
8339 u16 csa_c_off_presp = settings->counter_offset_presp[i];
8340
8341 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
8342 (settings->beacon_csa.tail[csa_c_off_bcn] !=
8343 settings->cs_count))
8344 return -EINVAL;
8345
8346 if (settings->beacon_csa.probe_resp &&
8347 ((settings->beacon_csa.probe_resp_len <=
8348 csa_c_off_presp) ||
8349 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
8350 settings->cs_count)))
8351 return -EINVAL;
8352 }
8353
13f83980 8354 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
a862e4a3
JM		 8355 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
8356 settings->cs_count) ||
8357 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
8358 (settings->block_tx &&
8359 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
1c4ffa87
AO		 8360 goto error;
8361
1c4ffa87
AO		 8362 /* beacon_after params */
8363 ret = set_beacon_data(msg, &settings->beacon_after);
8364 if (ret)
8365 goto error;
8366
8367 /* beacon_csa params */
8368 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
8369 if (!beacon_csa)
a862e4a3 8370 goto fail;
1c4ffa87
AO		 8371
8372 ret = set_beacon_data(msg, &settings->beacon_csa);
8373 if (ret)
8374 goto error;
8375
366179d2
AO		 8376 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
8377 csa_off_len * sizeof(u16),
8378 settings->counter_offset_beacon) ||
a862e4a3 8379 (settings->beacon_csa.probe_resp &&
366179d2
AO		 8380 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
8381 csa_off_len * sizeof(u16),
8382 settings->counter_offset_presp)))
a862e4a3 8383 goto fail;
1c4ffa87
AO		 8384
8385 nla_nest_end(msg, beacon_csa);
8386 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8387 if (ret) {
8388 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
8389 ret, strerror(-ret));
8390 }
8391 return ret;
8392
a862e4a3 8393fail:
1c4ffa87
AO		 8394 ret = -ENOBUFS;
8395error:
8396 nlmsg_free(msg);
8397 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
8398 return ret;
8399}
8400
8401
dfa87878
MB		 8402static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
8403 u8 user_priority, u16 admitted_time)
8404{
8405 struct i802_bss *bss = priv;
8406 struct wpa_driver_nl80211_data *drv = bss->drv;
8407 struct nl_msg *msg;
8408 int ret;
8409
8410 wpa_printf(MSG_DEBUG,
8411 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
8412 tsid, admitted_time, user_priority);
8413
8414 if (!is_sta_interface(drv->nlmode))
8415 return -ENOTSUP;
8416
56f77852
JM		 8417 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
8418 if (!msg ||
a862e4a3
JM		 8419 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
8420 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8421 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
8422 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
8423 nlmsg_free(msg);
8424 return -ENOBUFS;
8425 }
dfa87878
MB		 8426
8427 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8428 if (ret)
8429 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
8430 ret, strerror(-ret));
8431 return ret;
dfa87878
MB		 8432}
8433
8434
8435static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
8436{
8437 struct i802_bss *bss = priv;
8438 struct wpa_driver_nl80211_data *drv = bss->drv;
8439 struct nl_msg *msg;
8440 int ret;
8441
8442 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
8443
8444 if (!is_sta_interface(drv->nlmode))
8445 return -ENOTSUP;
8446
56f77852 8447 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
a862e4a3
JM		 8448 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
8449 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8450 nlmsg_free(msg);
8451 return -ENOBUFS;
8452 }
dfa87878
MB		 8453
8454 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8455 if (ret)
8456 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
8457 ret, strerror(-ret));
8458 return ret;
dfa87878
MB		 8459}
8460
8461
6b9f7af6
JM		 8462#ifdef CONFIG_TESTING_OPTIONS
8463static int cmd_reply_handler(struct nl_msg *msg, void *arg)
8464{
8465 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8466 struct wpabuf *buf = arg;
8467
8468 if (!buf)
8469 return NL_SKIP;
8470
8471 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
8472 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
8473 return NL_SKIP;
8474 }
8475
8476 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
8477 genlmsg_attrlen(gnlh, 0));
8478
8479 return NL_SKIP;
8480}
8481#endif /* CONFIG_TESTING_OPTIONS */
8482
8483
adef8948
BL		 8484static int vendor_reply_handler(struct nl_msg *msg, void *arg)
8485{
8486 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8487 struct nlattr *nl_vendor_reply, *nl;
8488 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8489 struct wpabuf *buf = arg;
8490 int rem;
8491
8492 if (!buf)
8493 return NL_SKIP;
8494
8495 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8496 genlmsg_attrlen(gnlh, 0), NULL);
8497 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
8498
8499 if (!nl_vendor_reply)
8500 return NL_SKIP;
8501
8502 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
8503 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
8504 return NL_SKIP;
8505 }
8506
8507 nla_for_each_nested(nl, nl_vendor_reply, rem) {
8508 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
8509 }
8510
8511 return NL_SKIP;
8512}
8513
8514
8515static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
8516 unsigned int subcmd, const u8 *data,
8517 size_t data_len, struct wpabuf *buf)
8518{
8519 struct i802_bss *bss = priv;
8520 struct wpa_driver_nl80211_data *drv = bss->drv;
8521 struct nl_msg *msg;
8522 int ret;
8523
6b9f7af6
JM		 8524#ifdef CONFIG_TESTING_OPTIONS
8525 if (vendor_id == 0xffffffff) {
56f77852
JM		 8526 msg = nlmsg_alloc();
8527 if (!msg)
8528 return -ENOMEM;
8529
6b9f7af6
JM		 8530 nl80211_cmd(drv, msg, 0, subcmd);
8531 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
8532 0)
a862e4a3 8533 goto fail;
6b9f7af6
JM		 8534 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
8535 if (ret)
8536 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
8537 ret);
8538 return ret;
8539 }
8540#endif /* CONFIG_TESTING_OPTIONS */
8541
56f77852 8542 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 8543 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
8544 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
8545 (data &&
8546 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
8547 goto fail;
adef8948
BL		 8548
8549 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
8550 if (ret)
8551 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
8552 ret);
8553 return ret;
8554
a862e4a3 8555fail:
adef8948
BL		 8556 nlmsg_free(msg);
8557 return -ENOBUFS;
8558}
8559
8560
049105b4
KP		 8561static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
8562 u8 qos_map_set_len)
8563{
8564 struct i802_bss *bss = priv;
8565 struct wpa_driver_nl80211_data *drv = bss->drv;
8566 struct nl_msg *msg;
8567 int ret;
8568
049105b4
KP		 8569 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
8570 qos_map_set, qos_map_set_len);
8571
9725b784 8572 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
a862e4a3
JM		 8573 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
8574 nlmsg_free(msg);
8575 return -ENOBUFS;
8576 }
049105b4
KP		 8577
8578 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8579 if (ret)
8580 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
8581
8582 return ret;
049105b4
KP		 8583}
8584
8585
e4fa8b12
EP		 8586static int nl80211_set_wowlan(void *priv,
8587 const struct wowlan_triggers *triggers)
8588{
8589 struct i802_bss *bss = priv;
8590 struct wpa_driver_nl80211_data *drv = bss->drv;
8591 struct nl_msg *msg;
8592 struct nlattr *wowlan_triggers;
8593 int ret;
8594
e4fa8b12
EP		 8595 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
8596
1ac977bd 8597 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
a862e4a3
JM		 8598 !(wowlan_triggers = nla_nest_start(msg,
8599 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
8600 (triggers->any &&
8601 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
8602 (triggers->disconnect &&
8603 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
8604 (triggers->magic_pkt &&
8605 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
8606 (triggers->gtk_rekey_failure &&
8607 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
8608 (triggers->eap_identity_req &&
8609 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
8610 (triggers->four_way_handshake &&
8611 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
8612 (triggers->rfkill_release &&
8613 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
8614 nlmsg_free(msg);
8615 return -ENOBUFS;
8616 }
e4fa8b12
EP		 8617
8618 nla_nest_end(msg, wowlan_triggers);
8619
8620 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8621 if (ret)
8622 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
8623
8624 return ret;
e4fa8b12
EP		 8625}
8626
8627
b658547d 8628#ifdef CONFIG_DRIVER_NL80211_QCA
0800f9ee
JM		 8629static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
8630{
8631 struct i802_bss *bss = priv;
8632 struct wpa_driver_nl80211_data *drv = bss->drv;
8633 struct nl_msg *msg;
8634 struct nlattr *params;
8635
8636 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
8637
8638 if (!drv->roaming_vendor_cmd_avail) {
8639 wpa_printf(MSG_DEBUG,
8640 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
8641 return -1;
8642 }
8643
9725b784 8644 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 8645 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8646 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8647 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
8648 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8649 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
8650 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
8651 QCA_ROAMING_NOT_ALLOWED) ||
8652 (bssid &&
8653 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
8654 nlmsg_free(msg);
8655 return -1;
8656 }
0800f9ee
JM		 8657 nla_nest_end(msg, params);
8658
8659 return send_and_recv_msgs(drv, msg, NULL, NULL);
0800f9ee 8660}
b658547d 8661#endif /* CONFIG_DRIVER_NL80211_QCA */
0800f9ee
JM		 8662
8663
fee354c7
JM		 8664static int nl80211_set_mac_addr(void *priv, const u8 *addr)
8665{
8666 struct i802_bss *bss = priv;
8667 struct wpa_driver_nl80211_data *drv = bss->drv;
8668 int new_addr = addr != NULL;
8669
9ce3e610
JM		 8670 if (TEST_FAIL())
8671 return -1;
8672
fee354c7
JM		 8673 if (!addr)
8674 addr = drv->perm_addr;
8675
8676 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
8677 return -1;
8678
8679 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
8680 {
8681 wpa_printf(MSG_DEBUG,
8682 "nl80211: failed to set_mac_addr for %s to " MACSTR,
8683 bss->ifname, MAC2STR(addr));
8684 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
8685 1) < 0) {
8686 wpa_printf(MSG_DEBUG,
8687 "nl80211: Could not restore interface UP after failed set_mac_addr");
8688 }
8689 return -1;
8690 }
8691
8692 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
8693 bss->ifname, MAC2STR(addr));
8694 drv->addr_changed = new_addr;
8695 os_memcpy(bss->addr, addr, ETH_ALEN);
8696
8697 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
8698 {
8699 wpa_printf(MSG_DEBUG,
8700 "nl80211: Could not restore interface UP after set_mac_addr");
8701 }
8702
8703 return 0;
8704}
8705
8706
6c1664f6
BC		 8707#ifdef CONFIG_MESH
8708
8709static int wpa_driver_nl80211_init_mesh(void *priv)
8710{
8711 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
8712 wpa_printf(MSG_INFO,
8713 "nl80211: Failed to set interface into mesh mode");
8714 return -1;
8715 }
8716 return 0;
8717}
8718
8719
21c74e84
JM		 8720static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
8721 size_t mesh_id_len)
8722{
8723 if (mesh_id) {
8724 wpa_hexdump_ascii(MSG_DEBUG, " * Mesh ID (SSID)",
8725 mesh_id, mesh_id_len);
8726 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
8727 }
8728
8729 return 0;
8730}
8731
8732
4ffb3f87
MH		 8733static int nl80211_put_mesh_config(struct nl_msg *msg,
8734 struct wpa_driver_mesh_bss_params *params)
8735{
8736 struct nlattr *container;
8737
8738 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
8739 if (!container)
8740 return -1;
8741
2bd62171
MH		 8742 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
8743 nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
8744 params->auto_plinks)) ||
8745 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
8746 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8747 params->max_peer_links)))
4ffb3f87
MH		 8748 return -1;
8749
8750 /*
8751 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
8752 * the timer could disconnect stations even in that case.
8753 */
2bd62171
MH		 8754 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
8755 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4ffb3f87
MH		 8756 params->peer_link_timeout)) {
8757 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
8758 return -1;
8759 }
8760
052b8d38
MH		 8761 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
8762 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
8763 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
8764 return -1;
8765 }
8766
4ffb3f87
MH		 8767 nla_nest_end(msg, container);
8768
8769 return 0;
8770}
8771
8772
0cb5f8d9 8773static int nl80211_join_mesh(struct i802_bss *bss,
6c1664f6
BC		 8774 struct wpa_driver_mesh_join_params *params)
8775{
6c1664f6
BC		 8776 struct wpa_driver_nl80211_data *drv = bss->drv;
8777 struct nl_msg *msg;
8778 struct nlattr *container;
7451a217 8779 int ret = -1;
6c1664f6 8780
6c1664f6 8781 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
9725b784 8782 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
f7e889fa
JM		 8783 if (!msg ||
8784 nl80211_put_freq_params(msg, &params->freq) ||
21c74e84
JM		 8785 nl80211_put_basic_rates(msg, params->basic_rates) ||
8786 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
4ac2ea57
MH		 8787 nl80211_put_beacon_int(msg, params->beacon_int) ||
8788 nl80211_put_dtim_period(msg, params->dtim_period))
85e1fad8 8789 goto fail;
9c58c5f7 8790
6c1664f6
BC		 8791 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
8792
8793 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
8794 if (!container)
a862e4a3 8795 goto fail;
6c1664f6
BC		 8796
8797 if (params->ies) {
8798 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
a862e4a3
JM		 8799 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
8800 params->ies))
8801 goto fail;
6c1664f6
BC		 8802 }
8803 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
8804 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
a862e4a3
JM		 8805 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
8806 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
8807 goto fail;
6c1664f6 8808 }
a862e4a3
JM		 8809 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
8810 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
8811 goto fail;
8812 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
8813 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
8814 goto fail;
6c1664f6
BC		 8815 nla_nest_end(msg, container);
8816
2bd62171
MH		 8817 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
8818 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
8819 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
4ffb3f87 8820 if (nl80211_put_mesh_config(msg, &params->conf) < 0)
5a2a6de6 8821 goto fail;
6c1664f6
BC		 8822
8823 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8824 msg = NULL;
8825 if (ret) {
8826 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
8827 ret, strerror(-ret));
a862e4a3 8828 goto fail;
6c1664f6
BC		 8829 }
8830 ret = 0;
92a515b8 8831 drv->assoc_freq = bss->freq = params->freq.freq;
6c1664f6
BC		 8832 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
8833
a862e4a3 8834fail:
6c1664f6
BC		 8835 nlmsg_free(msg);
8836 return ret;
8837}
8838
8839
0cb5f8d9
MH		 8840static int
8841wpa_driver_nl80211_join_mesh(void *priv,
8842 struct wpa_driver_mesh_join_params *params)
8843{
8844 struct i802_bss *bss = priv;
8845 int ret, timeout;
8846
8847 timeout = params->conf.peer_link_timeout;
8848
8849 /* Disable kernel inactivity timer */
8850 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
8851 params->conf.peer_link_timeout = 0;
8852
8853 ret = nl80211_join_mesh(bss, params);
8854 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
8855 wpa_printf(MSG_DEBUG,
8856 "nl80211: Mesh join retry for peer_link_timeout");
8857 /*
8858 * Old kernel does not support setting
8859 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
8860 * into future from peer_link_timeout.
8861 */
8862 params->conf.peer_link_timeout = timeout + 60;
8863 ret = nl80211_join_mesh(priv, params);
8864 }
8865
8866 params->conf.peer_link_timeout = timeout;
8867 return ret;
8868}
8869
8870
6c1664f6
BC		 8871static int wpa_driver_nl80211_leave_mesh(void *priv)
8872{
8873 struct i802_bss *bss = priv;
8874 struct wpa_driver_nl80211_data *drv = bss->drv;
8875 struct nl_msg *msg;
9725b784 8876 int ret;
6c1664f6
BC		 8877
8878 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
9725b784 8879 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
6c1664f6 8880 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6c1664f6
BC		 8881 if (ret) {
8882 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
8883 ret, strerror(-ret));
a862e4a3
JM		 8884 } else {
8885 wpa_printf(MSG_DEBUG,
8886 "nl80211: mesh leave request send successfully");
6c1664f6 8887 }
6c1664f6 8888
f33c82d2
JM		 8889 if (wpa_driver_nl80211_set_mode(drv->first_bss,
8890 NL80211_IFTYPE_STATION)) {
8891 wpa_printf(MSG_INFO,
8892 "nl80211: Failed to set interface into station mode");
8893 }
6c1664f6
BC		 8894 return ret;
8895}
8896
8897#endif /* CONFIG_MESH */
8898
8899
ed4ddb6d
KP		 8900static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
8901 const u8 *ipaddr, int prefixlen,
8902 const u8 *addr)
71103bed
KP		 8903{
8904#ifdef CONFIG_LIBNL3_ROUTE
8905 struct i802_bss *bss = priv;
8906 struct wpa_driver_nl80211_data *drv = bss->drv;
8907 struct rtnl_neigh *rn;
8908 struct nl_addr *nl_ipaddr = NULL;
8909 struct nl_addr *nl_lladdr = NULL;
ed4ddb6d 8910 int family, addrsize;
71103bed
KP		 8911 int res;
8912
ed4ddb6d 8913 if (!ipaddr || prefixlen == 0 || !addr)
71103bed
KP		 8914 return -EINVAL;
8915
8916 if (bss->br_ifindex == 0) {
8917 wpa_printf(MSG_DEBUG,
8918 "nl80211: bridge must be set before adding an ip neigh to it");
8919 return -1;
8920 }
8921
8922 if (!drv->rtnl_sk) {
8923 wpa_printf(MSG_DEBUG,
8924 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8925 return -1;
8926 }
8927
ed4ddb6d
KP		 8928 if (version == 4) {
8929 family = AF_INET;
8930 addrsize = 4;
8931 } else if (version == 6) {
8932 family = AF_INET6;
8933 addrsize = 16;
8934 } else {
8935 return -EINVAL;
8936 }
8937
71103bed
KP		 8938 rn = rtnl_neigh_alloc();
8939 if (rn == NULL)
8940 return -ENOMEM;
8941
8942 /* set the destination ip address for neigh */
ed4ddb6d 8943 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 8944 if (nl_ipaddr == NULL) {
8945 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8946 res = -ENOMEM;
8947 goto errout;
8948 }
8949 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
8950 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8951 if (res) {
8952 wpa_printf(MSG_DEBUG,
8953 "nl80211: neigh set destination addr failed");
8954 goto errout;
8955 }
8956
8957 /* set the corresponding lladdr for neigh */
8958 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
8959 if (nl_lladdr == NULL) {
8960 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
8961 res = -ENOMEM;
8962 goto errout;
8963 }
8964 rtnl_neigh_set_lladdr(rn, nl_lladdr);
8965
8966 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8967 rtnl_neigh_set_state(rn, NUD_PERMANENT);
8968
8969 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
8970 if (res) {
8971 wpa_printf(MSG_DEBUG,
8972 "nl80211: Adding bridge ip neigh failed: %s",
8973 strerror(errno));
8974 }
8975errout:
8976 if (nl_lladdr)
8977 nl_addr_put(nl_lladdr);
8978 if (nl_ipaddr)
8979 nl_addr_put(nl_ipaddr);
8980 if (rn)
8981 rtnl_neigh_put(rn);
8982 return res;
8983#else /* CONFIG_LIBNL3_ROUTE */
8984 return -1;
8985#endif /* CONFIG_LIBNL3_ROUTE */
8986}
8987
8988
ed4ddb6d
KP		 8989static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
8990 const u8 *ipaddr)
71103bed
KP		 8991{
8992#ifdef CONFIG_LIBNL3_ROUTE
8993 struct i802_bss *bss = priv;
8994 struct wpa_driver_nl80211_data *drv = bss->drv;
8995 struct rtnl_neigh *rn;
8996 struct nl_addr *nl_ipaddr;
ed4ddb6d 8997 int family, addrsize;
71103bed
KP		 8998 int res;
8999
ed4ddb6d 9000 if (!ipaddr)
71103bed
KP		 9001 return -EINVAL;
9002
ed4ddb6d
KP		 9003 if (version == 4) {
9004 family = AF_INET;
9005 addrsize = 4;
9006 } else if (version == 6) {
9007 family = AF_INET6;
9008 addrsize = 16;
9009 } else {
9010 return -EINVAL;
9011 }
9012
71103bed
KP		 9013 if (bss->br_ifindex == 0) {
9014 wpa_printf(MSG_DEBUG,
9015 "nl80211: bridge must be set to delete an ip neigh");
9016 return -1;
9017 }
9018
9019 if (!drv->rtnl_sk) {
9020 wpa_printf(MSG_DEBUG,
9021 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
9022 return -1;
9023 }
9024
9025 rn = rtnl_neigh_alloc();
9026 if (rn == NULL)
9027 return -ENOMEM;
9028
9029 /* set the destination ip address for neigh */
ed4ddb6d 9030 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
71103bed
KP		 9031 if (nl_ipaddr == NULL) {
9032 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
9033 res = -ENOMEM;
9034 goto errout;
9035 }
9036 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
9037 if (res) {
9038 wpa_printf(MSG_DEBUG,
9039 "nl80211: neigh set destination addr failed");
9040 goto errout;
9041 }
9042
9043 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
9044
9045 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
9046 if (res) {
9047 wpa_printf(MSG_DEBUG,
9048 "nl80211: Deleting bridge ip neigh failed: %s",
9049 strerror(errno));
9050 }
9051errout:
9052 if (nl_ipaddr)
9053 nl_addr_put(nl_ipaddr);
9054 if (rn)
9055 rtnl_neigh_put(rn);
9056 return res;
9057#else /* CONFIG_LIBNL3_ROUTE */
9058 return -1;
9059#endif /* CONFIG_LIBNL3_ROUTE */
9060}
9061
9062
73d2294f
KP		 9063static int linux_write_system_file(const char *path, unsigned int val)
9064{
9065 char buf[50];
9066 int fd, len;
9067
9068 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
a9aaacbb 9069 if (os_snprintf_error(sizeof(buf), len))
73d2294f
KP		 9070 return -1;
9071
9072 fd = open(path, O_WRONLY);
9073 if (fd < 0)
9074 return -1;
9075
9076 if (write(fd, buf, len) < 0) {
9077 wpa_printf(MSG_DEBUG,
9078 "nl80211: Failed to write Linux system file: %s with the value of %d",
9079 path, val);
9080 close(fd);
9081 return -1;
9082 }
9083 close(fd);
9084
9085 return 0;
9086}
9087
9088
9089static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
9090{
9091 switch (attr) {
9092 case DRV_BR_PORT_ATTR_PROXYARP:
bea8d9a3 9093 return "proxyarp_wifi";
73d2294f
KP		 9094 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
9095 return "hairpin_mode";
9096 }
9097
9098 return NULL;
9099}
9100
9101
9102static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
9103 unsigned int val)
9104{
9105 struct i802_bss *bss = priv;
9106 char path[128];
9107 const char *attr_txt;
9108
9109 attr_txt = drv_br_port_attr_str(attr);
9110 if (attr_txt == NULL)
9111 return -EINVAL;
9112
9113 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
9114 bss->ifname, attr_txt);
9115
9116 if (linux_write_system_file(path, val))
9117 return -1;
9118
9119 return 0;
9120}
9121
9122
7565752d
KP		 9123static const char * drv_br_net_param_str(enum drv_br_net_param param)
9124{
9125 switch (param) {
9126 case DRV_BR_NET_PARAM_GARP_ACCEPT:
9127 return "arp_accept";
60eb9e17
JM		 9128 default:
9129 return NULL;
7565752d 9130 }
7565752d
KP		 9131}
9132
9133
9134static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
9135 unsigned int val)
9136{
9137 struct i802_bss *bss = priv;
9138 char path[128];
9139 const char *param_txt;
9140 int ip_version = 4;
9141
60eb9e17
JM		 9142 if (param == DRV_BR_MULTICAST_SNOOPING) {
9143 os_snprintf(path, sizeof(path),
9144 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
9145 bss->brname);
9146 goto set_val;
9147 }
9148
7565752d
KP		 9149 param_txt = drv_br_net_param_str(param);
9150 if (param_txt == NULL)
9151 return -EINVAL;
9152
9153 switch (param) {
9154 case DRV_BR_NET_PARAM_GARP_ACCEPT:
9155 ip_version = 4;
9156 break;
9157 default:
9158 return -EINVAL;
9159 }
9160
9161 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
9162 ip_version, bss->brname, param_txt);
9163
60eb9e17 9164set_val:
7565752d
KP		 9165 if (linux_write_system_file(path, val))
9166 return -1;
9167
9168 return 0;
9169}
9170
9171
b658547d
JM		 9172#ifdef CONFIG_DRIVER_NL80211_QCA
9173
16689c7c
PX		 9174static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
9175{
9176 switch (hw_mode) {
9177 case HOSTAPD_MODE_IEEE80211B:
9178 return QCA_ACS_MODE_IEEE80211B;
9179 case HOSTAPD_MODE_IEEE80211G:
9180 return QCA_ACS_MODE_IEEE80211G;
9181 case HOSTAPD_MODE_IEEE80211A:
9182 return QCA_ACS_MODE_IEEE80211A;
9183 case HOSTAPD_MODE_IEEE80211AD:
9184 return QCA_ACS_MODE_IEEE80211AD;
3784c058
PX		 9185 case HOSTAPD_MODE_IEEE80211ANY:
9186 return QCA_ACS_MODE_IEEE80211ANY;
16689c7c
PX		 9187 default:
9188 return -1;
9189 }
9190}
9191
9192
d0cdccd3
PX		 9193static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
9194{
9195 int i, len, ret;
9196 u32 *freqs;
9197
9198 if (!freq_list)
9199 return 0;
9200 len = int_array_len(freq_list);
9201 freqs = os_malloc(sizeof(u32) * len);
9202 if (!freqs)
9203 return -1;
9204 for (i = 0; i < len; i++)
9205 freqs[i] = freq_list[i];
9206 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
9207 sizeof(u32) * len, freqs);
9208 os_free(freqs);
9209 return ret;
9210}
9211
9212
16689c7c
PX		 9213static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
9214{
9215 struct i802_bss *bss = priv;
9216 struct wpa_driver_nl80211_data *drv = bss->drv;
9217 struct nl_msg *msg;
9218 struct nlattr *data;
a862e4a3 9219 int ret;
16689c7c
PX		 9220 int mode;
9221
9222 mode = hw_mode_to_qca_acs(params->hw_mode);
9223 if (mode < 0)
9224 return -1;
9225
9725b784 9226 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
a862e4a3
JM		 9227 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9228 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9229 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
9230 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9231 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
9232 (params->ht_enabled &&
9233 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
9234 (params->ht40_enabled &&
857d9422
MM		 9235 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
9236 (params->vht_enabled &&
9237 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
9238 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
9239 params->ch_width) ||
9240 (params->ch_list_len &&
9241 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
d0cdccd3
PX		 9242 params->ch_list)) ||
9243 add_acs_freq_list(msg, params->freq_list)) {
a862e4a3
JM		 9244 nlmsg_free(msg);
9245 return -ENOBUFS;
9246 }
16689c7c
PX		 9247 nla_nest_end(msg, data);
9248
857d9422
MM		 9249 wpa_printf(MSG_DEBUG,
9250 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
9251 params->hw_mode, params->ht_enabled, params->ht40_enabled,
9252 params->vht_enabled, params->ch_width, params->ch_list_len);
9253
16689c7c 9254 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
16689c7c
PX		 9255 if (ret) {
9256 wpa_printf(MSG_DEBUG,
9257 "nl80211: Failed to invoke driver ACS function: %s",
9258 strerror(errno));
9259 }
16689c7c
PX		 9260 return ret;
9261}
9262
9263
844dfeb8
SD		 9264static int nl80211_set_band(void *priv, enum set_band band)
9265{
9266 struct i802_bss *bss = priv;
9267 struct wpa_driver_nl80211_data *drv = bss->drv;
9268 struct nl_msg *msg;
9269 struct nlattr *data;
9270 int ret;
9271 enum qca_set_band qca_band;
9272
9273 if (!drv->setband_vendor_cmd_avail)
9274 return -1;
9275
9276 switch (band) {
9277 case WPA_SETBAND_AUTO:
9278 qca_band = QCA_SETBAND_AUTO;
9279 break;
9280 case WPA_SETBAND_5G:
9281 qca_band = QCA_SETBAND_5G;
9282 break;
9283 case WPA_SETBAND_2G:
9284 qca_band = QCA_SETBAND_2G;
9285 break;
9286 default:
9287 return -1;
9288 }
9289
9290 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9291 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9292 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9293 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
9294 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9295 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
9296 nlmsg_free(msg);
9297 return -ENOBUFS;
9298 }
9299 nla_nest_end(msg, data);
9300
9301 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9302 if (ret) {
9303 wpa_printf(MSG_DEBUG,
9304 "nl80211: Driver setband function failed: %s",
9305 strerror(errno));
9306 }
9307 return ret;
9308}
9309
9310
98342208
AK		 9311struct nl80211_pcl {
9312 unsigned int num;
9313 unsigned int *freq_list;
9314};
9315
9316static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
9317{
9318 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9319 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9320 struct nl80211_pcl *param = arg;
9321 struct nlattr *nl_vend, *attr;
9322 enum qca_iface_type iface_type;
9323 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
9324 unsigned int num, max_num;
9325 u32 *freqs;
9326
9327 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9328 genlmsg_attrlen(gnlh, 0), NULL);
9329
9330 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
9331 if (!nl_vend)
9332 return NL_SKIP;
9333
9334 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
9335 nla_data(nl_vend), nla_len(nl_vend), NULL);
9336
9337 attr = tb_vendor[
9338 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
9339 if (!attr) {
9340 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
9341 param->num = 0;
9342 return NL_SKIP;
9343 }
9344
9345 iface_type = (enum qca_iface_type) nla_get_u32(attr);
9346 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
9347 iface_type);
9348
9349 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
9350 if (!attr) {
9351 wpa_printf(MSG_ERROR,
9352 "nl80211: preferred_freq_list couldn't be found");
9353 param->num = 0;
9354 return NL_SKIP;
9355 }
9356
9357 /*
9358 * param->num has the maximum number of entries for which there
9359 * is room in the freq_list provided by the caller.
9360 */
9361 freqs = nla_data(attr);
9362 max_num = nla_len(attr) / sizeof(u32);
9363 if (max_num > param->num)
9364 max_num = param->num;
9365 for (num = 0; num < max_num; num++)
9366 param->freq_list[num] = freqs[num];
9367 param->num = num;
9368
9369 return NL_SKIP;
9370}
9371
9372
9373static int nl80211_get_pref_freq_list(void *priv,
9374 enum wpa_driver_if_type if_type,
9375 unsigned int *num,
9376 unsigned int *freq_list)
9377{
9378 struct i802_bss *bss = priv;
9379 struct wpa_driver_nl80211_data *drv = bss->drv;
9380 struct nl_msg *msg;
9381 int ret;
9382 unsigned int i;
9383 struct nlattr *params;
9384 struct nl80211_pcl param;
9385 enum qca_iface_type iface_type;
9386
9387 if (!drv->get_pref_freq_list)
9388 return -1;
9389
9390 switch (if_type) {
9391 case WPA_IF_STATION:
9392 iface_type = QCA_IFACE_TYPE_STA;
9393 break;
9394 case WPA_IF_AP_BSS:
9395 iface_type = QCA_IFACE_TYPE_AP;
9396 break;
9397 case WPA_IF_P2P_GO:
9398 iface_type = QCA_IFACE_TYPE_P2P_GO;
9399 break;
9400 case WPA_IF_P2P_CLIENT:
9401 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
9402 break;
9403 case WPA_IF_IBSS:
9404 iface_type = QCA_IFACE_TYPE_IBSS;
9405 break;
9406 case WPA_IF_TDLS:
9407 iface_type = QCA_IFACE_TYPE_TDLS;
9408 break;
9409 default:
9410 return -1;
9411 }
9412
9413 param.num = *num;
9414 param.freq_list = freq_list;
9415
9416 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9417 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
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_GET_PREFERRED_FREQ_LIST) ||
9421 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9422 nla_put_u32(msg,
9423 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
9424 iface_type)) {
9425 wpa_printf(MSG_ERROR,
9426 "%s: err in adding vendor_cmd and vendor_data",
9427 __func__);
9428 nlmsg_free(msg);
9429 return -1;
9430 }
9431 nla_nest_end(msg, params);
9432
9433 os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
9434 ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
9435 if (ret) {
9436 wpa_printf(MSG_ERROR,
9437 "%s: err in send_and_recv_msgs", __func__);
9438 return ret;
9439 }
9440
9441 *num = param.num;
9442
9443 for (i = 0; i < *num; i++) {
9444 wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d",
9445 i, freq_list[i]);
9446 }
9447
9448 return 0;
9449}
9450
9451
7c813acf
AK		 9452static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
9453{
9454 struct i802_bss *bss = priv;
9455 struct wpa_driver_nl80211_data *drv = bss->drv;
9456 struct nl_msg *msg;
9457 int ret;
9458 struct nlattr *params;
9459
9460 if (!drv->set_prob_oper_freq)
9461 return -1;
9462
9463 wpa_printf(MSG_DEBUG,
9464 "nl80211: Set P2P probable operating freq %u for ifindex %d",
9465 freq, bss->ifindex);
9466
9467 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9468 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9469 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9470 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
9471 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
9472 nla_put_u32(msg,
9473 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
9474 QCA_IFACE_TYPE_P2P_CLIENT) ||
9475 nla_put_u32(msg,
9476 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
9477 freq)) {
9478 wpa_printf(MSG_ERROR,
9479 "%s: err in adding vendor_cmd and vendor_data",
9480 __func__);
9481 nlmsg_free(msg);
9482 return -1;
9483 }
9484 nla_nest_end(msg, params);
9485
9486 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9487 msg = NULL;
9488 if (ret) {
9489 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
9490 __func__);
9491 return ret;
9492 }
9493 nlmsg_free(msg);
9494 return 0;
9495}
9496
a6f5b193
PX		 9497
9498static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
9499 unsigned int period, unsigned int interval,
9500 unsigned int count, const u8 *device_types,
9501 size_t dev_types_len,
9502 const u8 *ies, size_t ies_len)
9503{
9504 struct i802_bss *bss = priv;
9505 struct wpa_driver_nl80211_data *drv = bss->drv;
9506 struct nl_msg *msg;
9507 struct nlattr *container;
9508 int ret;
9509
9510 wpa_printf(MSG_DEBUG,
9511 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
9512 freq, period, interval, count);
9513
9514 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
9515 return -1;
9516
9517 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9518 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9519 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9520 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
9521 goto fail;
9522
9523 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
9524 if (!container)
9525 goto fail;
9526
9527 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
9528 freq) ||
9529 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
9530 period) ||
9531 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
9532 interval) ||
9533 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
9534 count) ||
9535 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
9536 dev_types_len, device_types) ||
9537 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
9538 ies_len, ies))
9539 goto fail;
9540
9541 nla_nest_end(msg, container);
9542 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9543 msg = NULL;
9544 if (ret) {
9545 wpa_printf(MSG_DEBUG,
9546 "nl80211: Failed to send P2P Listen offload vendor command");
9547 goto fail;
9548 }
9549
9550 return 0;
9551
9552fail:
9553 nlmsg_free(msg);
9554 return -1;
9555}
9556
9557
9558static int nl80211_p2p_lo_stop(void *priv)
9559{
9560 struct i802_bss *bss = priv;
9561 struct wpa_driver_nl80211_data *drv = bss->drv;
9562 struct nl_msg *msg;
9563
9564 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
9565
9566 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
9567 return -1;
9568
9569 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9570 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9571 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9572 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
9573 nlmsg_free(msg);
9574 return -1;
9575 }
9576
9577 return send_and_recv_msgs(drv, msg, NULL, NULL);
9578}
9579
2e4e4fb7
SD		 9580
9581static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
9582{
9583 struct i802_bss *bss = priv;
9584 struct wpa_driver_nl80211_data *drv = bss->drv;
9585 struct nl_msg *msg;
9586 struct nlattr *params;
9587 int ret;
9588 u32 tdls_mode;
9589
9590 wpa_printf(MSG_DEBUG,
9591 "nl80211: Set TDKS mode: tdls_external_control=%d",
9592 tdls_external_control);
9593
9594 if (tdls_external_control == 1)
9595 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
9596 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
9597 else
9598 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
9599
9600 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9601 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
9602 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
9603 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
9604 goto fail;
9605
9606 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
9607 if (!params)
9608 goto fail;
9609
9610 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
9611 tdls_mode))
9612 goto fail;
9613
9614 nla_nest_end(msg, params);
9615
9616 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9617 msg = NULL;
9618 if (ret) {
9619 wpa_printf(MSG_ERROR,
9620 "nl80211: Set TDLS mode failed: ret=%d (%s)",
9621 ret, strerror(-ret));
9622 goto fail;
9623 }
9624 return 0;
9625fail:
9626 nlmsg_free(msg);
9627 return -1;
9628}
9629
b658547d
JM		 9630#endif /* CONFIG_DRIVER_NL80211_QCA */
9631
7c813acf 9632
6922d440
IP		 9633static int nl80211_write_to_file(const char *name, unsigned int val)
9634{
9635 int fd, len;
9636 char tmp[128];
9637
9638 fd = open(name, O_RDWR);
9639 if (fd < 0) {
9640 wpa_printf(MSG_ERROR, "nl80211: Failed to open %s: %s",
9641 name, strerror(errno));
9642 return fd;
9643 }
9644
9645 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
9646 len = write(fd, tmp, len);
9647 if (len < 0)
9648 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
9649 name, strerror(errno));
9650 close(fd);
9651
9652 return 0;
9653}
9654
9655
9656static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
9657{
9658 struct i802_bss *bss = priv;
9659 char path[128];
9660 int ret;
9661
9662 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
9663 filter_flags);
9664
9665 /* Configure filtering of unicast frame encrypted using GTK */
9666 ret = os_snprintf(path, sizeof(path),
9667 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
9668 bss->ifname);
bd86ea08
JM		 9669 if (os_snprintf_error(sizeof(path), ret))
9670 return -1;
6922d440
IP		 9671
9672 ret = nl80211_write_to_file(path,
9673 !!(filter_flags &
9674 WPA_DATA_FRAME_FILTER_FLAG_GTK));
9675 if (ret) {
9676 wpa_printf(MSG_ERROR,
9677 "nl80211: Failed to set IPv4 unicast in multicast filter");
9678 return ret;
9679 }
9680
9681 os_snprintf(path, sizeof(path),
9682 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
9683 bss->ifname);
9684 ret = nl80211_write_to_file(path,
9685 !!(filter_flags &
9686 WPA_DATA_FRAME_FILTER_FLAG_GTK));
9687
9688 if (ret) {
9689 wpa_printf(MSG_ERROR,
9690 "nl80211: Failed to set IPv6 unicast in multicast filter");
9691 return ret;
9692 }
9693
9694 /* Configure filtering of unicast frame encrypted using GTK */
9695 os_snprintf(path, sizeof(path),
9696 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
9697 bss->ifname);
9698 ret = nl80211_write_to_file(path,
9699 !!(filter_flags &
9700 WPA_DATA_FRAME_FILTER_FLAG_ARP));
9701 if (ret) {
9702 wpa_printf(MSG_ERROR,
9703 "nl80211: Failed set gratuitous ARP filter");
9704 return ret;
9705 }
9706
9707 /* Configure filtering of IPv6 NA frames */
9708 os_snprintf(path, sizeof(path),
9709 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
9710 bss->ifname);
9711 ret = nl80211_write_to_file(path,
9712 !!(filter_flags &
9713 WPA_DATA_FRAME_FILTER_FLAG_NA));
9714 if (ret) {
9715 wpa_printf(MSG_ERROR,
9716 "nl80211: Failed to set unsolicited NA filter");
9717 return ret;
9718 }
9719
9720 return 0;
9721}
9722
9723
cc9a2575
KV		 9724static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
9725 const u8 **ext_capa, const u8 **ext_capa_mask,
9726 unsigned int *ext_capa_len)
9727{
9728 struct i802_bss *bss = priv;
9729 struct wpa_driver_nl80211_data *drv = bss->drv;
9730 enum nl80211_iftype nlmode;
9731 unsigned int i;
9732
9733 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
9734 return -1;
9735
9736 nlmode = wpa_driver_nl80211_if_type(type);
9737
9738 /* By default, use the per-radio values */
9739 *ext_capa = drv->extended_capa;
9740 *ext_capa_mask = drv->extended_capa_mask;
9741 *ext_capa_len = drv->extended_capa_len;
9742
9743 /* Replace the default value if a per-interface type value exists */
9744 for (i = 0; i < drv->num_iface_ext_capa; i++) {
9745 if (nlmode == drv->iface_ext_capa[i].iftype) {
9746 *ext_capa = drv->iface_ext_capa[i].ext_capa;
9747 *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask;
9748 *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len;
9749 break;
9750 }
9751 }
9752
9753 return 0;
9754}
9755
9756
3f5285e8
JM		 9757const struct wpa_driver_ops wpa_driver_nl80211_ops = {
9758 .name = "nl80211",
9759 .desc = "Linux nl80211/cfg80211",
9760 .get_bssid = wpa_driver_nl80211_get_bssid,
9761 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 9762 .set_key = driver_nl80211_set_key,
9763 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 9764 .sched_scan = wpa_driver_nl80211_sched_scan,
9765 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 9766 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
4f30addb 9767 .abort_scan = wpa_driver_nl80211_abort_scan,
9ebce9c5
JM		 9768 .deauthenticate = driver_nl80211_deauthenticate,
9769 .authenticate = driver_nl80211_authenticate,
3f5285e8 9770 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 9771 .global_init = nl80211_global_init,
9772 .global_deinit = nl80211_global_deinit,
9773 .init2 = wpa_driver_nl80211_init,
9ebce9c5 9774 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 9775 .get_capa = wpa_driver_nl80211_get_capa,
9776 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 9777 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 9778 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 9779 .get_country = wpa_driver_nl80211_get_country,
19c3b566 9780 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 9781 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 9782 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 9783 .if_remove = driver_nl80211_if_remove,
9784 .send_mlme = driver_nl80211_send_mlme,
0fafeb54 9785 .get_hw_feature_data = nl80211_get_hw_feature_data,
0f4e8b4f 9786 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 9787 .sta_remove = driver_nl80211_sta_remove,
db149ac9 9788 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 9789 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837 9790 .hapd_init = i802_init,
c5121837 9791 .hapd_deinit = i802_deinit,
f7b3920c 9792 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 9793 .get_seqnum = i802_get_seqnum,
9794 .flush = i802_flush,
c5121837
JM		 9795 .get_inact_sec = i802_get_inact_sec,
9796 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 9797 .set_rts = i802_set_rts,
9798 .set_frag = i802_set_frag,
c5121837 9799 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 9800 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 9801 .sta_deauth = i802_sta_deauth,
9802 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 9803 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 9804 .set_freq = i802_set_freq,
9ebce9c5 9805 .send_action = driver_nl80211_send_action,
5dfca53f 9806 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 9807 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
9808 .cancel_remain_on_channel =
9809 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 9810 .probe_req_report = driver_nl80211_probe_req_report,
af473088 9811 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 9812 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 9813 .resume = wpa_driver_nl80211_resume,
b625473c 9814 .signal_monitor = nl80211_signal_monitor,
1c5c7273 9815 .signal_poll = nl80211_signal_poll,
b91ab76e 9816 .send_frame = nl80211_send_frame,
c55f774d 9817 .set_param = nl80211_set_param,
6859f1cb 9818 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 9819 .add_pmkid = nl80211_add_pmkid,
9820 .remove_pmkid = nl80211_remove_pmkid,
9821 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 9822 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 9823 .poll_client = nl80211_poll_client,
29f338af 9824 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 9825 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 9826 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 9827#ifdef CONFIG_TDLS
9828 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
9829 .tdls_oper = nl80211_tdls_oper,
72b2605f
AN		 9830 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
9831 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
03ea1786 9832#endif /* CONFIG_TDLS */
6a1ce395 9833 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 9834 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 9835 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 9836 .status = wpa_driver_nl80211_status,
1c4ffa87 9837 .switch_channel = nl80211_switch_channel,
0de38036
JM		 9838#ifdef ANDROID_P2P
9839 .set_noa = wpa_driver_set_p2p_noa,
9840 .get_noa = wpa_driver_get_p2p_noa,
9841 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
9842#endif /* ANDROID_P2P */
5e2c3490 9843#ifdef ANDROID
ded14ce9 9844#ifndef ANDROID_LIB_STUB
5e2c3490 9845 .driver_cmd = wpa_driver_nl80211_driver_cmd,
ded14ce9 9846#endif /* !ANDROID_LIB_STUB */
5e2c3490 9847#endif /* ANDROID */
adef8948 9848 .vendor_cmd = nl80211_vendor_cmd,
049105b4 9849 .set_qos_map = nl80211_set_qos_map,
e4fa8b12 9850 .set_wowlan = nl80211_set_wowlan,
fee354c7 9851 .set_mac_addr = nl80211_set_mac_addr,
6c1664f6
BC		 9852#ifdef CONFIG_MESH
9853 .init_mesh = wpa_driver_nl80211_init_mesh,
9854 .join_mesh = wpa_driver_nl80211_join_mesh,
9855 .leave_mesh = wpa_driver_nl80211_leave_mesh,
9856#endif /* CONFIG_MESH */
71103bed
KP		 9857 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
9858 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
73d2294f 9859 .br_port_set_attr = wpa_driver_br_port_set_attr,
7565752d 9860 .br_set_net_param = wpa_driver_br_set_net_param,
dfa87878
MB		 9861 .add_tx_ts = nl80211_add_ts,
9862 .del_tx_ts = nl80211_del_ts,
45e3fc72 9863 .get_ifindex = nl80211_get_ifindex,
b658547d 9864#ifdef CONFIG_DRIVER_NL80211_QCA
9607a1ae 9865 .roaming = nl80211_roaming,
16689c7c 9866 .do_acs = wpa_driver_do_acs,
844dfeb8 9867 .set_band = nl80211_set_band,
98342208 9868 .get_pref_freq_list = nl80211_get_pref_freq_list,
7c813acf 9869 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
a6f5b193
PX		 9870 .p2p_lo_start = nl80211_p2p_lo_start,
9871 .p2p_lo_stop = nl80211_p2p_lo_stop,
cc9985d1 9872 .set_default_scan_ies = nl80211_set_default_scan_ies,
2e4e4fb7 9873 .set_tdls_mode = nl80211_set_tdls_mode,
b658547d 9874#endif /* CONFIG_DRIVER_NL80211_QCA */
6922d440 9875 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
cc9a2575 9876 .get_ext_capab = nl80211_get_ext_capab,
3f5285e8 9877};
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