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1 | /* | |
2 | * Driver interaction with Linux nl80211/cfg80211 | |
3 | * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi> | |
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> | |
7 | * Copyright (c) 2009-2010, Atheros Communications | |
8 | * | |
9 | * This software may be distributed under the terms of the BSD license. | |
10 | * See README for more details. | |
11 | */ | |
12 | ||
13 | #include "includes.h" | |
14 | #include <sys/types.h> | |
15 | #include <fcntl.h> | |
16 | #include <net/if.h> | |
17 | #include <netlink/genl/genl.h> | |
18 | #include <netlink/genl/ctrl.h> | |
19 | #ifdef CONFIG_LIBNL3_ROUTE | |
20 | #include <netlink/route/neighbour.h> | |
21 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
22 | #include <linux/rtnetlink.h> | |
23 | #include <netpacket/packet.h> | |
24 | #include <linux/errqueue.h> | |
25 | ||
26 | #include "common.h" | |
27 | #include "eloop.h" | |
28 | #include "common/qca-vendor.h" | |
29 | #include "common/qca-vendor-attr.h" | |
30 | #include "common/ieee802_11_defs.h" | |
31 | #include "common/ieee802_11_common.h" | |
32 | #include "common/wpa_common.h" | |
33 | #include "l2_packet/l2_packet.h" | |
34 | #include "netlink.h" | |
35 | #include "linux_defines.h" | |
36 | #include "linux_ioctl.h" | |
37 | #include "radiotap.h" | |
38 | #include "radiotap_iter.h" | |
39 | #include "rfkill.h" | |
40 | #include "driver_nl80211.h" | |
41 | ||
42 | ||
43 | #ifndef NETLINK_CAP_ACK | |
44 | #define NETLINK_CAP_ACK 10 | |
45 | #endif /* NETLINK_CAP_ACK */ | |
46 | /* support for extack if compilation headers are too old */ | |
47 | #ifndef NETLINK_EXT_ACK | |
48 | #define NETLINK_EXT_ACK 11 | |
49 | enum nlmsgerr_attrs { | |
50 | NLMSGERR_ATTR_UNUSED, | |
51 | NLMSGERR_ATTR_MSG, | |
52 | NLMSGERR_ATTR_OFFS, | |
53 | NLMSGERR_ATTR_COOKIE, | |
54 | ||
55 | __NLMSGERR_ATTR_MAX, | |
56 | NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1 | |
57 | }; | |
58 | #endif | |
59 | #ifndef NLM_F_CAPPED | |
60 | #define NLM_F_CAPPED 0x100 | |
61 | #endif | |
62 | #ifndef NLM_F_ACK_TLVS | |
63 | #define NLM_F_ACK_TLVS 0x200 | |
64 | #endif | |
65 | #ifndef SOL_NETLINK | |
66 | #define SOL_NETLINK 270 | |
67 | #endif | |
68 | ||
69 | ||
70 | #ifdef ANDROID | |
71 | /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */ | |
72 | #undef nl_socket_set_nonblocking | |
73 | #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h) | |
74 | ||
75 | #endif /* ANDROID */ | |
76 | ||
77 | ||
78 | static struct nl_sock * nl_create_handle(struct nl_cb *cb, const char *dbg) | |
79 | { | |
80 | struct nl_sock *handle; | |
81 | ||
82 | handle = nl_socket_alloc_cb(cb); | |
83 | if (handle == NULL) { | |
84 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " | |
85 | "callbacks (%s)", dbg); | |
86 | return NULL; | |
87 | } | |
88 | ||
89 | if (genl_connect(handle)) { | |
90 | wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic " | |
91 | "netlink (%s)", dbg); | |
92 | nl_socket_free(handle); | |
93 | return NULL; | |
94 | } | |
95 | ||
96 | return handle; | |
97 | } | |
98 | ||
99 | ||
100 | static void nl_destroy_handles(struct nl_sock **handle) | |
101 | { | |
102 | if (*handle == NULL) | |
103 | return; | |
104 | nl_socket_free(*handle); | |
105 | *handle = NULL; | |
106 | } | |
107 | ||
108 | ||
109 | #if __WORDSIZE == 64 | |
110 | #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL | |
111 | #else | |
112 | #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL | |
113 | #endif | |
114 | ||
115 | static void nl80211_register_eloop_read(struct nl_sock **handle, | |
116 | eloop_sock_handler handler, | |
117 | void *eloop_data, int persist) | |
118 | { | |
119 | /* | |
120 | * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB) | |
121 | * by default. It is possible to hit that limit in some cases where | |
122 | * operations are blocked, e.g., with a burst of Deauthentication frames | |
123 | * to hostapd and STA entry deletion. Try to increase the buffer to make | |
124 | * this less likely to occur. | |
125 | */ | |
126 | int err; | |
127 | ||
128 | err = nl_socket_set_buffer_size(*handle, 262144, 0); | |
129 | if (err < 0) { | |
130 | wpa_printf(MSG_DEBUG, | |
131 | "nl80211: Could not set nl_socket RX buffer size: %s", | |
132 | nl_geterror(err)); | |
133 | /* continue anyway with the default (smaller) buffer */ | |
134 | } | |
135 | ||
136 | nl_socket_set_nonblocking(*handle); | |
137 | eloop_register_read_sock(nl_socket_get_fd(*handle), handler, | |
138 | eloop_data, *handle); | |
139 | if (!persist) | |
140 | *handle = (void *) (((intptr_t) *handle) ^ | |
141 | ELOOP_SOCKET_INVALID); | |
142 | } | |
143 | ||
144 | ||
145 | static void nl80211_destroy_eloop_handle(struct nl_sock **handle, int persist) | |
146 | { | |
147 | if (!persist) | |
148 | *handle = (void *) (((intptr_t) *handle) ^ | |
149 | ELOOP_SOCKET_INVALID); | |
150 | eloop_unregister_read_sock(nl_socket_get_fd(*handle)); | |
151 | nl_destroy_handles(handle); | |
152 | } | |
153 | ||
154 | ||
155 | static void nl80211_global_deinit(void *priv); | |
156 | static void nl80211_check_global(struct nl80211_global *global); | |
157 | ||
158 | static void wpa_driver_nl80211_deinit(struct i802_bss *bss); | |
159 | static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss, | |
160 | struct hostapd_freq_params *freq); | |
161 | ||
162 | static int | |
163 | wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv, | |
164 | const u8 *set_addr, int first, | |
165 | const char *driver_params); | |
166 | static int nl80211_send_frame_cmd(struct i802_bss *bss, | |
167 | unsigned int freq, unsigned int wait, | |
168 | const u8 *buf, size_t buf_len, | |
169 | int save_cookie, | |
170 | int no_cck, int no_ack, int offchanok, | |
171 | const u16 *csa_offs, size_t csa_offs_len); | |
172 | static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, | |
173 | int report); | |
174 | ||
175 | #define IFIDX_ANY -1 | |
176 | ||
177 | static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
178 | int ifidx_reason); | |
179 | static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
180 | int ifidx_reason); | |
181 | static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
182 | int ifidx_reason); | |
183 | ||
184 | static int nl80211_set_channel(struct i802_bss *bss, | |
185 | struct hostapd_freq_params *freq, int set_chan); | |
186 | static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, | |
187 | int ifindex, int disabled); | |
188 | ||
189 | static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv, | |
190 | int reset_mode); | |
191 | ||
192 | static int i802_set_iface_flags(struct i802_bss *bss, int up); | |
193 | static int nl80211_set_param(void *priv, const char *param); | |
194 | #ifdef CONFIG_MESH | |
195 | static int nl80211_put_mesh_config(struct nl_msg *msg, | |
196 | struct wpa_driver_mesh_bss_params *params); | |
197 | #endif /* CONFIG_MESH */ | |
198 | static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, | |
199 | u16 reason); | |
200 | ||
201 | ||
202 | /* Converts nl80211_chan_width to a common format */ | |
203 | enum chan_width convert2width(int width) | |
204 | { | |
205 | switch (width) { | |
206 | case NL80211_CHAN_WIDTH_20_NOHT: | |
207 | return CHAN_WIDTH_20_NOHT; | |
208 | case NL80211_CHAN_WIDTH_20: | |
209 | return CHAN_WIDTH_20; | |
210 | case NL80211_CHAN_WIDTH_40: | |
211 | return CHAN_WIDTH_40; | |
212 | case NL80211_CHAN_WIDTH_80: | |
213 | return CHAN_WIDTH_80; | |
214 | case NL80211_CHAN_WIDTH_80P80: | |
215 | return CHAN_WIDTH_80P80; | |
216 | case NL80211_CHAN_WIDTH_160: | |
217 | return CHAN_WIDTH_160; | |
218 | } | |
219 | return CHAN_WIDTH_UNKNOWN; | |
220 | } | |
221 | ||
222 | ||
223 | int is_ap_interface(enum nl80211_iftype nlmode) | |
224 | { | |
225 | return nlmode == NL80211_IFTYPE_AP || | |
226 | nlmode == NL80211_IFTYPE_P2P_GO; | |
227 | } | |
228 | ||
229 | ||
230 | int is_sta_interface(enum nl80211_iftype nlmode) | |
231 | { | |
232 | return nlmode == NL80211_IFTYPE_STATION || | |
233 | nlmode == NL80211_IFTYPE_P2P_CLIENT; | |
234 | } | |
235 | ||
236 | ||
237 | static int is_p2p_net_interface(enum nl80211_iftype nlmode) | |
238 | { | |
239 | return nlmode == NL80211_IFTYPE_P2P_CLIENT || | |
240 | nlmode == NL80211_IFTYPE_P2P_GO; | |
241 | } | |
242 | ||
243 | ||
244 | struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv, | |
245 | int ifindex) | |
246 | { | |
247 | struct i802_bss *bss; | |
248 | ||
249 | for (bss = drv->first_bss; bss; bss = bss->next) { | |
250 | if (bss->ifindex == ifindex) | |
251 | return bss; | |
252 | } | |
253 | ||
254 | return NULL; | |
255 | } | |
256 | ||
257 | ||
258 | static int is_mesh_interface(enum nl80211_iftype nlmode) | |
259 | { | |
260 | return nlmode == NL80211_IFTYPE_MESH_POINT; | |
261 | } | |
262 | ||
263 | ||
264 | void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv) | |
265 | { | |
266 | if (drv->associated) | |
267 | os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN); | |
268 | drv->associated = 0; | |
269 | os_memset(drv->bssid, 0, ETH_ALEN); | |
270 | drv->first_bss->freq = 0; | |
271 | } | |
272 | ||
273 | ||
274 | /* nl80211 code */ | |
275 | static int ack_handler(struct nl_msg *msg, void *arg) | |
276 | { | |
277 | int *err = arg; | |
278 | *err = 0; | |
279 | return NL_STOP; | |
280 | } | |
281 | ||
282 | static int finish_handler(struct nl_msg *msg, void *arg) | |
283 | { | |
284 | int *ret = arg; | |
285 | *ret = 0; | |
286 | return NL_SKIP; | |
287 | } | |
288 | ||
289 | static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err, | |
290 | void *arg) | |
291 | { | |
292 | struct nlmsghdr *nlh = (struct nlmsghdr *) err - 1; | |
293 | int len = nlh->nlmsg_len; | |
294 | struct nlattr *attrs; | |
295 | struct nlattr *tb[NLMSGERR_ATTR_MAX + 1]; | |
296 | int *ret = arg; | |
297 | int ack_len = sizeof(*nlh) + sizeof(int) + sizeof(*nlh); | |
298 | ||
299 | *ret = err->error; | |
300 | ||
301 | if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS)) | |
302 | return NL_SKIP; | |
303 | ||
304 | if (!(nlh->nlmsg_flags & NLM_F_CAPPED)) | |
305 | ack_len += err->msg.nlmsg_len - sizeof(*nlh); | |
306 | ||
307 | if (len <= ack_len) | |
308 | return NL_STOP; | |
309 | ||
310 | attrs = (void *) ((unsigned char *) nlh + ack_len); | |
311 | len -= ack_len; | |
312 | ||
313 | nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, len, NULL); | |
314 | if (tb[NLMSGERR_ATTR_MSG]) { | |
315 | len = strnlen((char *) nla_data(tb[NLMSGERR_ATTR_MSG]), | |
316 | nla_len(tb[NLMSGERR_ATTR_MSG])); | |
317 | wpa_printf(MSG_ERROR, "nl80211: kernel reports: %*s", | |
318 | len, (char *) nla_data(tb[NLMSGERR_ATTR_MSG])); | |
319 | } | |
320 | ||
321 | return NL_SKIP; | |
322 | } | |
323 | ||
324 | ||
325 | static int no_seq_check(struct nl_msg *msg, void *arg) | |
326 | { | |
327 | return NL_OK; | |
328 | } | |
329 | ||
330 | ||
331 | static void nl80211_nlmsg_clear(struct nl_msg *msg) | |
332 | { | |
333 | /* | |
334 | * Clear nlmsg data, e.g., to make sure key material is not left in | |
335 | * heap memory for unnecessarily long time. | |
336 | */ | |
337 | if (msg) { | |
338 | struct nlmsghdr *hdr = nlmsg_hdr(msg); | |
339 | void *data = nlmsg_data(hdr); | |
340 | /* | |
341 | * This would use nlmsg_datalen() or the older nlmsg_len() if | |
342 | * only libnl were to maintain a stable API.. Neither will work | |
343 | * with all released versions, so just calculate the length | |
344 | * here. | |
345 | */ | |
346 | int len = hdr->nlmsg_len - NLMSG_HDRLEN; | |
347 | ||
348 | os_memset(data, 0, len); | |
349 | } | |
350 | } | |
351 | ||
352 | ||
353 | static int send_and_recv(struct nl80211_global *global, | |
354 | struct nl_sock *nl_handle, struct nl_msg *msg, | |
355 | int (*valid_handler)(struct nl_msg *, void *), | |
356 | void *valid_data) | |
357 | { | |
358 | struct nl_cb *cb; | |
359 | int err = -ENOMEM, opt; | |
360 | ||
361 | if (!msg) | |
362 | return -ENOMEM; | |
363 | ||
364 | cb = nl_cb_clone(global->nl_cb); | |
365 | if (!cb) | |
366 | goto out; | |
367 | ||
368 | /* try to set NETLINK_EXT_ACK to 1, ignoring errors */ | |
369 | opt = 1; | |
370 | setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK, | |
371 | NETLINK_EXT_ACK, &opt, sizeof(opt)); | |
372 | ||
373 | /* try to set NETLINK_CAP_ACK to 1, ignoring errors */ | |
374 | opt = 1; | |
375 | setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK, | |
376 | NETLINK_CAP_ACK, &opt, sizeof(opt)); | |
377 | ||
378 | err = nl_send_auto_complete(nl_handle, msg); | |
379 | if (err < 0) { | |
380 | wpa_printf(MSG_INFO, | |
381 | "nl80211: nl_send_auto_complete() failed: %s", | |
382 | nl_geterror(err)); | |
383 | /* Need to convert libnl error code to an errno value. For now, | |
384 | * just hardcode this to EBADF; the real error reason is shown | |
385 | * in that error print above. */ | |
386 | err = -EBADF; | |
387 | goto out; | |
388 | } | |
389 | ||
390 | err = 1; | |
391 | ||
392 | nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err); | |
393 | nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err); | |
394 | nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err); | |
395 | ||
396 | if (valid_handler) | |
397 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, | |
398 | valid_handler, valid_data); | |
399 | ||
400 | while (err > 0) { | |
401 | int res = nl_recvmsgs(nl_handle, cb); | |
402 | ||
403 | if (res == -NLE_DUMP_INTR) { | |
404 | /* Most likely one of the nl80211 dump routines hit a | |
405 | * case where internal results changed while the dump | |
406 | * was being sent. The most common known case for this | |
407 | * is scan results fetching while associated were every | |
408 | * received Beacon frame from the AP may end up | |
409 | * incrementing bss_generation. This | |
410 | * NL80211_CMD_GET_SCAN case tries again in the caller; | |
411 | * other cases (of which there are no known common ones) | |
412 | * will stop and return an error. */ | |
413 | wpa_printf(MSG_DEBUG, "nl80211: %s; convert to -EAGAIN", | |
414 | nl_geterror(res)); | |
415 | err = -EAGAIN; | |
416 | } else if (res < 0) { | |
417 | wpa_printf(MSG_INFO, | |
418 | "nl80211: %s->nl_recvmsgs failed: %d (%s)", | |
419 | __func__, res, nl_geterror(res)); | |
420 | } | |
421 | } | |
422 | out: | |
423 | nl_cb_put(cb); | |
424 | if (!valid_handler && valid_data == (void *) -1) | |
425 | nl80211_nlmsg_clear(msg); | |
426 | nlmsg_free(msg); | |
427 | return err; | |
428 | } | |
429 | ||
430 | ||
431 | int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, | |
432 | struct nl_msg *msg, | |
433 | int (*valid_handler)(struct nl_msg *, void *), | |
434 | void *valid_data) | |
435 | { | |
436 | return send_and_recv(drv->global, drv->global->nl, msg, | |
437 | valid_handler, valid_data); | |
438 | } | |
439 | ||
440 | ||
441 | struct family_data { | |
442 | const char *group; | |
443 | int id; | |
444 | }; | |
445 | ||
446 | ||
447 | static int family_handler(struct nl_msg *msg, void *arg) | |
448 | { | |
449 | struct family_data *res = arg; | |
450 | struct nlattr *tb[CTRL_ATTR_MAX + 1]; | |
451 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
452 | struct nlattr *mcgrp; | |
453 | int i; | |
454 | ||
455 | nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
456 | genlmsg_attrlen(gnlh, 0), NULL); | |
457 | if (!tb[CTRL_ATTR_MCAST_GROUPS]) | |
458 | return NL_SKIP; | |
459 | ||
460 | nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) { | |
461 | struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1]; | |
462 | nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp), | |
463 | nla_len(mcgrp), NULL); | |
464 | if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] || | |
465 | !tb2[CTRL_ATTR_MCAST_GRP_ID] || | |
466 | os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]), | |
467 | res->group, | |
468 | nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0) | |
469 | continue; | |
470 | res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]); | |
471 | break; | |
472 | }; | |
473 | ||
474 | return NL_SKIP; | |
475 | } | |
476 | ||
477 | ||
478 | static int nl_get_multicast_id(struct nl80211_global *global, | |
479 | const char *family, const char *group) | |
480 | { | |
481 | struct nl_msg *msg; | |
482 | int ret; | |
483 | struct family_data res = { group, -ENOENT }; | |
484 | ||
485 | msg = nlmsg_alloc(); | |
486 | if (!msg) | |
487 | return -ENOMEM; | |
488 | if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"), | |
489 | 0, 0, CTRL_CMD_GETFAMILY, 0) || | |
490 | nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) { | |
491 | nlmsg_free(msg); | |
492 | return -1; | |
493 | } | |
494 | ||
495 | ret = send_and_recv(global, global->nl, msg, family_handler, &res); | |
496 | if (ret == 0) | |
497 | ret = res.id; | |
498 | return ret; | |
499 | } | |
500 | ||
501 | ||
502 | void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, | |
503 | struct nl_msg *msg, int flags, uint8_t cmd) | |
504 | { | |
505 | if (TEST_FAIL()) | |
506 | return NULL; | |
507 | return genlmsg_put(msg, 0, 0, drv->global->nl80211_id, | |
508 | 0, flags, cmd, 0); | |
509 | } | |
510 | ||
511 | ||
512 | static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss) | |
513 | { | |
514 | if (bss->wdev_id_set) | |
515 | return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id); | |
516 | return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
517 | } | |
518 | ||
519 | ||
520 | struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd) | |
521 | { | |
522 | struct nl_msg *msg; | |
523 | ||
524 | msg = nlmsg_alloc(); | |
525 | if (!msg) | |
526 | return NULL; | |
527 | ||
528 | if (!nl80211_cmd(bss->drv, msg, flags, cmd) || | |
529 | nl80211_set_iface_id(msg, bss) < 0) { | |
530 | nlmsg_free(msg); | |
531 | return NULL; | |
532 | } | |
533 | ||
534 | return msg; | |
535 | } | |
536 | ||
537 | ||
538 | static struct nl_msg * | |
539 | nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex, | |
540 | int flags, uint8_t cmd) | |
541 | { | |
542 | struct nl_msg *msg; | |
543 | ||
544 | msg = nlmsg_alloc(); | |
545 | if (!msg) | |
546 | return NULL; | |
547 | ||
548 | if (!nl80211_cmd(drv, msg, flags, cmd) || | |
549 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) { | |
550 | nlmsg_free(msg); | |
551 | return NULL; | |
552 | } | |
553 | ||
554 | return msg; | |
555 | } | |
556 | ||
557 | ||
558 | struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags, | |
559 | uint8_t cmd) | |
560 | { | |
561 | return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd); | |
562 | } | |
563 | ||
564 | ||
565 | struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd) | |
566 | { | |
567 | return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd); | |
568 | } | |
569 | ||
570 | ||
571 | struct wiphy_idx_data { | |
572 | int wiphy_idx; | |
573 | enum nl80211_iftype nlmode; | |
574 | u8 *macaddr; | |
575 | }; | |
576 | ||
577 | ||
578 | static int netdev_info_handler(struct nl_msg *msg, void *arg) | |
579 | { | |
580 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
581 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
582 | struct wiphy_idx_data *info = arg; | |
583 | ||
584 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
585 | genlmsg_attrlen(gnlh, 0), NULL); | |
586 | ||
587 | if (tb[NL80211_ATTR_WIPHY]) | |
588 | info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
589 | ||
590 | if (tb[NL80211_ATTR_IFTYPE]) | |
591 | info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]); | |
592 | ||
593 | if (tb[NL80211_ATTR_MAC] && info->macaddr) | |
594 | os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]), | |
595 | ETH_ALEN); | |
596 | ||
597 | return NL_SKIP; | |
598 | } | |
599 | ||
600 | ||
601 | int nl80211_get_wiphy_index(struct i802_bss *bss) | |
602 | { | |
603 | struct nl_msg *msg; | |
604 | struct wiphy_idx_data data = { | |
605 | .wiphy_idx = -1, | |
606 | .macaddr = NULL, | |
607 | }; | |
608 | ||
609 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE))) | |
610 | return -1; | |
611 | ||
612 | if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) | |
613 | return data.wiphy_idx; | |
614 | return -1; | |
615 | } | |
616 | ||
617 | ||
618 | static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss) | |
619 | { | |
620 | struct nl_msg *msg; | |
621 | struct wiphy_idx_data data = { | |
622 | .nlmode = NL80211_IFTYPE_UNSPECIFIED, | |
623 | .macaddr = NULL, | |
624 | }; | |
625 | ||
626 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE))) | |
627 | return NL80211_IFTYPE_UNSPECIFIED; | |
628 | ||
629 | if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) | |
630 | return data.nlmode; | |
631 | return NL80211_IFTYPE_UNSPECIFIED; | |
632 | } | |
633 | ||
634 | ||
635 | static int nl80211_get_macaddr(struct i802_bss *bss) | |
636 | { | |
637 | struct nl_msg *msg; | |
638 | struct wiphy_idx_data data = { | |
639 | .macaddr = bss->addr, | |
640 | }; | |
641 | ||
642 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE))) | |
643 | return -1; | |
644 | ||
645 | return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data); | |
646 | } | |
647 | ||
648 | ||
649 | static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv, | |
650 | struct nl80211_wiphy_data *w) | |
651 | { | |
652 | struct nl_msg *msg; | |
653 | int ret; | |
654 | ||
655 | msg = nlmsg_alloc(); | |
656 | if (!msg) | |
657 | return -1; | |
658 | ||
659 | if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) || | |
660 | nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) { | |
661 | nlmsg_free(msg); | |
662 | return -1; | |
663 | } | |
664 | ||
665 | ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL); | |
666 | if (ret) { | |
667 | wpa_printf(MSG_DEBUG, "nl80211: Register beacons command " | |
668 | "failed: ret=%d (%s)", | |
669 | ret, strerror(-ret)); | |
670 | } | |
671 | return ret; | |
672 | } | |
673 | ||
674 | ||
675 | static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle) | |
676 | { | |
677 | struct nl80211_wiphy_data *w = eloop_ctx; | |
678 | int res; | |
679 | ||
680 | wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available"); | |
681 | ||
682 | res = nl_recvmsgs(handle, w->nl_cb); | |
683 | if (res < 0) { | |
684 | wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d", | |
685 | __func__, res); | |
686 | } | |
687 | } | |
688 | ||
689 | ||
690 | static int process_beacon_event(struct nl_msg *msg, void *arg) | |
691 | { | |
692 | struct nl80211_wiphy_data *w = arg; | |
693 | struct wpa_driver_nl80211_data *drv; | |
694 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
695 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
696 | union wpa_event_data event; | |
697 | ||
698 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
699 | genlmsg_attrlen(gnlh, 0), NULL); | |
700 | ||
701 | if (gnlh->cmd != NL80211_CMD_FRAME) { | |
702 | wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)", | |
703 | gnlh->cmd); | |
704 | return NL_SKIP; | |
705 | } | |
706 | ||
707 | if (!tb[NL80211_ATTR_FRAME]) | |
708 | return NL_SKIP; | |
709 | ||
710 | dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data, | |
711 | wiphy_list) { | |
712 | os_memset(&event, 0, sizeof(event)); | |
713 | event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]); | |
714 | event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]); | |
715 | wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); | |
716 | } | |
717 | ||
718 | return NL_SKIP; | |
719 | } | |
720 | ||
721 | ||
722 | static struct nl80211_wiphy_data * | |
723 | nl80211_get_wiphy_data_ap(struct i802_bss *bss) | |
724 | { | |
725 | static DEFINE_DL_LIST(nl80211_wiphys); | |
726 | struct nl80211_wiphy_data *w; | |
727 | int wiphy_idx, found = 0; | |
728 | struct i802_bss *tmp_bss; | |
729 | u8 channel; | |
730 | ||
731 | if (bss->wiphy_data != NULL) | |
732 | return bss->wiphy_data; | |
733 | ||
734 | wiphy_idx = nl80211_get_wiphy_index(bss); | |
735 | ||
736 | dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) { | |
737 | if (w->wiphy_idx == wiphy_idx) | |
738 | goto add; | |
739 | } | |
740 | ||
741 | /* alloc new one */ | |
742 | w = os_zalloc(sizeof(*w)); | |
743 | if (w == NULL) | |
744 | return NULL; | |
745 | w->wiphy_idx = wiphy_idx; | |
746 | dl_list_init(&w->bsss); | |
747 | dl_list_init(&w->drvs); | |
748 | ||
749 | /* Beacon frames not supported in IEEE 802.11ad */ | |
750 | if (ieee80211_freq_to_chan(bss->freq, &channel) != | |
751 | HOSTAPD_MODE_IEEE80211AD) { | |
752 | w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
753 | if (!w->nl_cb) { | |
754 | os_free(w); | |
755 | return NULL; | |
756 | } | |
757 | nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
758 | no_seq_check, NULL); | |
759 | nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
760 | process_beacon_event, w); | |
761 | ||
762 | w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb, | |
763 | "wiphy beacons"); | |
764 | if (w->nl_beacons == NULL) { | |
765 | os_free(w); | |
766 | return NULL; | |
767 | } | |
768 | ||
769 | if (nl80211_register_beacons(bss->drv, w)) { | |
770 | nl_destroy_handles(&w->nl_beacons); | |
771 | os_free(w); | |
772 | return NULL; | |
773 | } | |
774 | ||
775 | nl80211_register_eloop_read(&w->nl_beacons, | |
776 | nl80211_recv_beacons, w, 0); | |
777 | } | |
778 | ||
779 | dl_list_add(&nl80211_wiphys, &w->list); | |
780 | ||
781 | add: | |
782 | /* drv entry for this bss already there? */ | |
783 | dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { | |
784 | if (tmp_bss->drv == bss->drv) { | |
785 | found = 1; | |
786 | break; | |
787 | } | |
788 | } | |
789 | /* if not add it */ | |
790 | if (!found) | |
791 | dl_list_add(&w->drvs, &bss->drv->wiphy_list); | |
792 | ||
793 | dl_list_add(&w->bsss, &bss->wiphy_list); | |
794 | bss->wiphy_data = w; | |
795 | return w; | |
796 | } | |
797 | ||
798 | ||
799 | static void nl80211_put_wiphy_data_ap(struct i802_bss *bss) | |
800 | { | |
801 | struct nl80211_wiphy_data *w = bss->wiphy_data; | |
802 | struct i802_bss *tmp_bss; | |
803 | int found = 0; | |
804 | ||
805 | if (w == NULL) | |
806 | return; | |
807 | bss->wiphy_data = NULL; | |
808 | dl_list_del(&bss->wiphy_list); | |
809 | ||
810 | /* still any for this drv present? */ | |
811 | dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { | |
812 | if (tmp_bss->drv == bss->drv) { | |
813 | found = 1; | |
814 | break; | |
815 | } | |
816 | } | |
817 | /* if not remove it */ | |
818 | if (!found) | |
819 | dl_list_del(&bss->drv->wiphy_list); | |
820 | ||
821 | if (!dl_list_empty(&w->bsss)) | |
822 | return; | |
823 | ||
824 | if (w->nl_beacons) | |
825 | nl80211_destroy_eloop_handle(&w->nl_beacons, 0); | |
826 | ||
827 | nl_cb_put(w->nl_cb); | |
828 | dl_list_del(&w->list); | |
829 | os_free(w); | |
830 | } | |
831 | ||
832 | ||
833 | static unsigned int nl80211_get_ifindex(void *priv) | |
834 | { | |
835 | struct i802_bss *bss = priv; | |
836 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
837 | ||
838 | return drv->ifindex; | |
839 | } | |
840 | ||
841 | ||
842 | static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid) | |
843 | { | |
844 | struct i802_bss *bss = priv; | |
845 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
846 | if (!drv->associated) | |
847 | return -1; | |
848 | os_memcpy(bssid, drv->bssid, ETH_ALEN); | |
849 | return 0; | |
850 | } | |
851 | ||
852 | ||
853 | static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid) | |
854 | { | |
855 | struct i802_bss *bss = priv; | |
856 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
857 | if (!drv->associated) | |
858 | return -1; | |
859 | os_memcpy(ssid, drv->ssid, drv->ssid_len); | |
860 | return drv->ssid_len; | |
861 | } | |
862 | ||
863 | ||
864 | static void wpa_driver_nl80211_event_newlink( | |
865 | struct nl80211_global *global, struct wpa_driver_nl80211_data *drv, | |
866 | int ifindex, const char *ifname) | |
867 | { | |
868 | union wpa_event_data event; | |
869 | ||
870 | if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) { | |
871 | if (if_nametoindex(drv->first_bss->ifname) == 0) { | |
872 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK", | |
873 | drv->first_bss->ifname); | |
874 | return; | |
875 | } | |
876 | if (!drv->if_removed) | |
877 | return; | |
878 | wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event", | |
879 | drv->first_bss->ifname); | |
880 | drv->if_removed = 0; | |
881 | } | |
882 | ||
883 | os_memset(&event, 0, sizeof(event)); | |
884 | event.interface_status.ifindex = ifindex; | |
885 | os_strlcpy(event.interface_status.ifname, ifname, | |
886 | sizeof(event.interface_status.ifname)); | |
887 | event.interface_status.ievent = EVENT_INTERFACE_ADDED; | |
888 | if (drv) | |
889 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); | |
890 | else | |
891 | wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS, | |
892 | &event); | |
893 | } | |
894 | ||
895 | ||
896 | static void wpa_driver_nl80211_event_dellink( | |
897 | struct nl80211_global *global, struct wpa_driver_nl80211_data *drv, | |
898 | int ifindex, const char *ifname) | |
899 | { | |
900 | union wpa_event_data event; | |
901 | ||
902 | if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) { | |
903 | if (drv->if_removed) { | |
904 | wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s", | |
905 | ifname); | |
906 | return; | |
907 | } | |
908 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1", | |
909 | ifname); | |
910 | drv->if_removed = 1; | |
911 | } else { | |
912 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed", | |
913 | ifname); | |
914 | } | |
915 | ||
916 | os_memset(&event, 0, sizeof(event)); | |
917 | event.interface_status.ifindex = ifindex; | |
918 | os_strlcpy(event.interface_status.ifname, ifname, | |
919 | sizeof(event.interface_status.ifname)); | |
920 | event.interface_status.ievent = EVENT_INTERFACE_REMOVED; | |
921 | if (drv) | |
922 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); | |
923 | else | |
924 | wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS, | |
925 | &event); | |
926 | } | |
927 | ||
928 | ||
929 | static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv, | |
930 | u8 *buf, size_t len) | |
931 | { | |
932 | int attrlen, rta_len; | |
933 | struct rtattr *attr; | |
934 | ||
935 | attrlen = len; | |
936 | attr = (struct rtattr *) buf; | |
937 | ||
938 | rta_len = RTA_ALIGN(sizeof(struct rtattr)); | |
939 | while (RTA_OK(attr, attrlen)) { | |
940 | if (attr->rta_type == IFLA_IFNAME) { | |
941 | if (os_strcmp(((char *) attr) + rta_len, | |
942 | drv->first_bss->ifname) == 0) | |
943 | return 1; | |
944 | else | |
945 | break; | |
946 | } | |
947 | attr = RTA_NEXT(attr, attrlen); | |
948 | } | |
949 | ||
950 | return 0; | |
951 | } | |
952 | ||
953 | ||
954 | static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv, | |
955 | int ifindex, u8 *buf, size_t len) | |
956 | { | |
957 | if (drv->ifindex == ifindex) | |
958 | return 1; | |
959 | ||
960 | if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) { | |
961 | nl80211_check_global(drv->global); | |
962 | wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed " | |
963 | "interface"); | |
964 | if (wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL) < 0) | |
965 | return -1; | |
966 | return 1; | |
967 | } | |
968 | ||
969 | return 0; | |
970 | } | |
971 | ||
972 | ||
973 | static struct wpa_driver_nl80211_data * | |
974 | nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len, | |
975 | int *init_failed) | |
976 | { | |
977 | struct wpa_driver_nl80211_data *drv; | |
978 | int res; | |
979 | ||
980 | if (init_failed) | |
981 | *init_failed = 0; | |
982 | dl_list_for_each(drv, &global->interfaces, | |
983 | struct wpa_driver_nl80211_data, list) { | |
984 | res = wpa_driver_nl80211_own_ifindex(drv, idx, buf, len); | |
985 | if (res < 0) { | |
986 | wpa_printf(MSG_DEBUG, | |
987 | "nl80211: Found matching own interface, but failed to complete reinitialization"); | |
988 | if (init_failed) | |
989 | *init_failed = 1; | |
990 | return drv; | |
991 | } | |
992 | if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY)) | |
993 | return drv; | |
994 | } | |
995 | return NULL; | |
996 | } | |
997 | ||
998 | ||
999 | static void nl80211_refresh_mac(struct wpa_driver_nl80211_data *drv, | |
1000 | int ifindex, int notify) | |
1001 | { | |
1002 | struct i802_bss *bss; | |
1003 | u8 addr[ETH_ALEN]; | |
1004 | ||
1005 | bss = get_bss_ifindex(drv, ifindex); | |
1006 | if (bss && | |
1007 | linux_get_ifhwaddr(drv->global->ioctl_sock, | |
1008 | bss->ifname, addr) < 0) { | |
1009 | wpa_printf(MSG_DEBUG, | |
1010 | "nl80211: %s: failed to re-read MAC address", | |
1011 | bss->ifname); | |
1012 | } else if (bss && os_memcmp(addr, bss->addr, ETH_ALEN) != 0) { | |
1013 | wpa_printf(MSG_DEBUG, | |
1014 | "nl80211: Own MAC address on ifindex %d (%s) changed from " | |
1015 | MACSTR " to " MACSTR, | |
1016 | ifindex, bss->ifname, | |
1017 | MAC2STR(bss->addr), MAC2STR(addr)); | |
1018 | os_memcpy(bss->addr, addr, ETH_ALEN); | |
1019 | if (notify) | |
1020 | wpa_supplicant_event(drv->ctx, | |
1021 | EVENT_INTERFACE_MAC_CHANGED, NULL); | |
1022 | } | |
1023 | } | |
1024 | ||
1025 | ||
1026 | static void wpa_driver_nl80211_event_rtm_newlink(void *ctx, | |
1027 | struct ifinfomsg *ifi, | |
1028 | u8 *buf, size_t len) | |
1029 | { | |
1030 | struct nl80211_global *global = ctx; | |
1031 | struct wpa_driver_nl80211_data *drv; | |
1032 | int attrlen; | |
1033 | struct rtattr *attr; | |
1034 | u32 brid = 0; | |
1035 | char namebuf[IFNAMSIZ]; | |
1036 | char ifname[IFNAMSIZ + 1]; | |
1037 | char extra[100], *pos, *end; | |
1038 | int init_failed; | |
1039 | ||
1040 | extra[0] = '\0'; | |
1041 | pos = extra; | |
1042 | end = pos + sizeof(extra); | |
1043 | ifname[0] = '\0'; | |
1044 | ||
1045 | attrlen = len; | |
1046 | attr = (struct rtattr *) buf; | |
1047 | while (RTA_OK(attr, attrlen)) { | |
1048 | switch (attr->rta_type) { | |
1049 | case IFLA_IFNAME: | |
1050 | if (RTA_PAYLOAD(attr) > IFNAMSIZ) | |
1051 | break; | |
1052 | os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr)); | |
1053 | ifname[RTA_PAYLOAD(attr)] = '\0'; | |
1054 | break; | |
1055 | case IFLA_MASTER: | |
1056 | brid = nla_get_u32((struct nlattr *) attr); | |
1057 | pos += os_snprintf(pos, end - pos, " master=%u", brid); | |
1058 | break; | |
1059 | case IFLA_WIRELESS: | |
1060 | pos += os_snprintf(pos, end - pos, " wext"); | |
1061 | break; | |
1062 | case IFLA_OPERSTATE: | |
1063 | pos += os_snprintf(pos, end - pos, " operstate=%u", | |
1064 | nla_get_u32((struct nlattr *) attr)); | |
1065 | break; | |
1066 | case IFLA_LINKMODE: | |
1067 | pos += os_snprintf(pos, end - pos, " linkmode=%u", | |
1068 | nla_get_u32((struct nlattr *) attr)); | |
1069 | break; | |
1070 | } | |
1071 | attr = RTA_NEXT(attr, attrlen); | |
1072 | } | |
1073 | extra[sizeof(extra) - 1] = '\0'; | |
1074 | ||
1075 | wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)", | |
1076 | ifi->ifi_index, ifname, extra, ifi->ifi_family, | |
1077 | ifi->ifi_flags, | |
1078 | (ifi->ifi_flags & IFF_UP) ? "[UP]" : "", | |
1079 | (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", | |
1080 | (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", | |
1081 | (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); | |
1082 | ||
1083 | drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, &init_failed); | |
1084 | if (!drv) | |
1085 | goto event_newlink; | |
1086 | if (init_failed) | |
1087 | return; /* do not update interface state */ | |
1088 | ||
1089 | if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) { | |
1090 | namebuf[0] = '\0'; | |
1091 | if (if_indextoname(ifi->ifi_index, namebuf) && | |
1092 | linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) { | |
1093 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " | |
1094 | "event since interface %s is up", namebuf); | |
1095 | drv->ignore_if_down_event = 0; | |
1096 | /* Re-read MAC address as it may have changed */ | |
1097 | nl80211_refresh_mac(drv, ifi->ifi_index, 1); | |
1098 | return; | |
1099 | } | |
1100 | wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)", | |
1101 | namebuf, ifname); | |
1102 | if (os_strcmp(drv->first_bss->ifname, ifname) != 0) { | |
1103 | wpa_printf(MSG_DEBUG, | |
1104 | "nl80211: Not the main interface (%s) - do not indicate interface down", | |
1105 | drv->first_bss->ifname); | |
1106 | } else if (drv->ignore_if_down_event) { | |
1107 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " | |
1108 | "event generated by mode change"); | |
1109 | drv->ignore_if_down_event = 0; | |
1110 | } else { | |
1111 | drv->if_disabled = 1; | |
1112 | wpa_supplicant_event(drv->ctx, | |
1113 | EVENT_INTERFACE_DISABLED, NULL); | |
1114 | ||
1115 | /* | |
1116 | * Try to get drv again, since it may be removed as | |
1117 | * part of the EVENT_INTERFACE_DISABLED handling for | |
1118 | * dynamic interfaces | |
1119 | */ | |
1120 | drv = nl80211_find_drv(global, ifi->ifi_index, | |
1121 | buf, len, NULL); | |
1122 | if (!drv) | |
1123 | return; | |
1124 | } | |
1125 | } | |
1126 | ||
1127 | if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) { | |
1128 | namebuf[0] = '\0'; | |
1129 | if (if_indextoname(ifi->ifi_index, namebuf) && | |
1130 | linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) { | |
1131 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
1132 | "event since interface %s is down", | |
1133 | namebuf); | |
1134 | return; | |
1135 | } | |
1136 | wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)", | |
1137 | namebuf, ifname); | |
1138 | if (os_strcmp(drv->first_bss->ifname, ifname) != 0) { | |
1139 | wpa_printf(MSG_DEBUG, | |
1140 | "nl80211: Not the main interface (%s) - do not indicate interface up", | |
1141 | drv->first_bss->ifname); | |
1142 | } else if (if_nametoindex(drv->first_bss->ifname) == 0) { | |
1143 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
1144 | "event since interface %s does not exist", | |
1145 | drv->first_bss->ifname); | |
1146 | } else if (drv->if_removed) { | |
1147 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
1148 | "event since interface %s is marked " | |
1149 | "removed", drv->first_bss->ifname); | |
1150 | } else { | |
1151 | /* Re-read MAC address as it may have changed */ | |
1152 | nl80211_refresh_mac(drv, ifi->ifi_index, 0); | |
1153 | ||
1154 | drv->if_disabled = 0; | |
1155 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, | |
1156 | NULL); | |
1157 | } | |
1158 | } | |
1159 | ||
1160 | /* | |
1161 | * Some drivers send the association event before the operup event--in | |
1162 | * this case, lifting operstate in wpa_driver_nl80211_set_operstate() | |
1163 | * fails. This will hit us when wpa_supplicant does not need to do | |
1164 | * IEEE 802.1X authentication | |
1165 | */ | |
1166 | if (drv->operstate == 1 && | |
1167 | (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP && | |
1168 | !(ifi->ifi_flags & IFF_RUNNING)) { | |
1169 | wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate"); | |
1170 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, | |
1171 | -1, IF_OPER_UP); | |
1172 | } | |
1173 | ||
1174 | event_newlink: | |
1175 | if (ifname[0]) | |
1176 | wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index, | |
1177 | ifname); | |
1178 | ||
1179 | if (ifi->ifi_family == AF_BRIDGE && brid && drv) { | |
1180 | struct i802_bss *bss; | |
1181 | ||
1182 | /* device has been added to bridge */ | |
1183 | if (!if_indextoname(brid, namebuf)) { | |
1184 | wpa_printf(MSG_DEBUG, | |
1185 | "nl80211: Could not find bridge ifname for ifindex %u", | |
1186 | brid); | |
1187 | return; | |
1188 | } | |
1189 | wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s", | |
1190 | brid, namebuf); | |
1191 | add_ifidx(drv, brid, ifi->ifi_index); | |
1192 | ||
1193 | for (bss = drv->first_bss; bss; bss = bss->next) { | |
1194 | if (os_strcmp(ifname, bss->ifname) == 0) { | |
1195 | os_strlcpy(bss->brname, namebuf, IFNAMSIZ); | |
1196 | break; | |
1197 | } | |
1198 | } | |
1199 | } | |
1200 | } | |
1201 | ||
1202 | ||
1203 | static void wpa_driver_nl80211_event_rtm_dellink(void *ctx, | |
1204 | struct ifinfomsg *ifi, | |
1205 | u8 *buf, size_t len) | |
1206 | { | |
1207 | struct nl80211_global *global = ctx; | |
1208 | struct wpa_driver_nl80211_data *drv; | |
1209 | int attrlen; | |
1210 | struct rtattr *attr; | |
1211 | u32 brid = 0; | |
1212 | char ifname[IFNAMSIZ + 1]; | |
1213 | char extra[100], *pos, *end; | |
1214 | ||
1215 | extra[0] = '\0'; | |
1216 | pos = extra; | |
1217 | end = pos + sizeof(extra); | |
1218 | ifname[0] = '\0'; | |
1219 | ||
1220 | attrlen = len; | |
1221 | attr = (struct rtattr *) buf; | |
1222 | while (RTA_OK(attr, attrlen)) { | |
1223 | switch (attr->rta_type) { | |
1224 | case IFLA_IFNAME: | |
1225 | if (RTA_PAYLOAD(attr) > IFNAMSIZ) | |
1226 | break; | |
1227 | os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr)); | |
1228 | ifname[RTA_PAYLOAD(attr)] = '\0'; | |
1229 | break; | |
1230 | case IFLA_MASTER: | |
1231 | brid = nla_get_u32((struct nlattr *) attr); | |
1232 | pos += os_snprintf(pos, end - pos, " master=%u", brid); | |
1233 | break; | |
1234 | case IFLA_OPERSTATE: | |
1235 | pos += os_snprintf(pos, end - pos, " operstate=%u", | |
1236 | nla_get_u32((struct nlattr *) attr)); | |
1237 | break; | |
1238 | case IFLA_LINKMODE: | |
1239 | pos += os_snprintf(pos, end - pos, " linkmode=%u", | |
1240 | nla_get_u32((struct nlattr *) attr)); | |
1241 | break; | |
1242 | } | |
1243 | attr = RTA_NEXT(attr, attrlen); | |
1244 | } | |
1245 | extra[sizeof(extra) - 1] = '\0'; | |
1246 | ||
1247 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)", | |
1248 | ifi->ifi_index, ifname, extra, ifi->ifi_family, | |
1249 | ifi->ifi_flags, | |
1250 | (ifi->ifi_flags & IFF_UP) ? "[UP]" : "", | |
1251 | (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", | |
1252 | (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", | |
1253 | (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); | |
1254 | ||
1255 | drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, NULL); | |
1256 | ||
1257 | if (ifi->ifi_family == AF_BRIDGE && brid && drv) { | |
1258 | /* device has been removed from bridge */ | |
1259 | char namebuf[IFNAMSIZ]; | |
1260 | ||
1261 | if (!if_indextoname(brid, namebuf)) { | |
1262 | wpa_printf(MSG_DEBUG, | |
1263 | "nl80211: Could not find bridge ifname for ifindex %u", | |
1264 | brid); | |
1265 | } else { | |
1266 | wpa_printf(MSG_DEBUG, | |
1267 | "nl80211: Remove ifindex %u for bridge %s", | |
1268 | brid, namebuf); | |
1269 | } | |
1270 | del_ifidx(drv, brid, ifi->ifi_index); | |
1271 | } | |
1272 | ||
1273 | if (ifi->ifi_family != AF_BRIDGE || !brid) | |
1274 | wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index, | |
1275 | ifname); | |
1276 | } | |
1277 | ||
1278 | ||
1279 | struct nl80211_get_assoc_freq_arg { | |
1280 | struct wpa_driver_nl80211_data *drv; | |
1281 | unsigned int assoc_freq; | |
1282 | unsigned int ibss_freq; | |
1283 | u8 assoc_bssid[ETH_ALEN]; | |
1284 | u8 assoc_ssid[SSID_MAX_LEN]; | |
1285 | u8 assoc_ssid_len; | |
1286 | }; | |
1287 | ||
1288 | static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg) | |
1289 | { | |
1290 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1291 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1292 | struct nlattr *bss[NL80211_BSS_MAX + 1]; | |
1293 | static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = { | |
1294 | [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC }, | |
1295 | [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 }, | |
1296 | [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC }, | |
1297 | [NL80211_BSS_STATUS] = { .type = NLA_U32 }, | |
1298 | }; | |
1299 | struct nl80211_get_assoc_freq_arg *ctx = arg; | |
1300 | enum nl80211_bss_status status; | |
1301 | ||
1302 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1303 | genlmsg_attrlen(gnlh, 0), NULL); | |
1304 | if (!tb[NL80211_ATTR_BSS] || | |
1305 | nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS], | |
1306 | bss_policy) || | |
1307 | !bss[NL80211_BSS_STATUS]) | |
1308 | return NL_SKIP; | |
1309 | ||
1310 | status = nla_get_u32(bss[NL80211_BSS_STATUS]); | |
1311 | if (status == NL80211_BSS_STATUS_ASSOCIATED && | |
1312 | bss[NL80211_BSS_FREQUENCY]) { | |
1313 | ctx->assoc_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]); | |
1314 | wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz", | |
1315 | ctx->assoc_freq); | |
1316 | } | |
1317 | if (status == NL80211_BSS_STATUS_IBSS_JOINED && | |
1318 | bss[NL80211_BSS_FREQUENCY]) { | |
1319 | ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]); | |
1320 | wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz", | |
1321 | ctx->ibss_freq); | |
1322 | } | |
1323 | if (status == NL80211_BSS_STATUS_ASSOCIATED && | |
1324 | bss[NL80211_BSS_BSSID]) { | |
1325 | os_memcpy(ctx->assoc_bssid, | |
1326 | nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN); | |
1327 | wpa_printf(MSG_DEBUG, "nl80211: Associated with " | |
1328 | MACSTR, MAC2STR(ctx->assoc_bssid)); | |
1329 | } | |
1330 | ||
1331 | if (status == NL80211_BSS_STATUS_ASSOCIATED && | |
1332 | bss[NL80211_BSS_INFORMATION_ELEMENTS]) { | |
1333 | const u8 *ie, *ssid; | |
1334 | size_t ie_len; | |
1335 | ||
1336 | ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]); | |
1337 | ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]); | |
1338 | ssid = get_ie(ie, ie_len, WLAN_EID_SSID); | |
1339 | if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) { | |
1340 | ctx->assoc_ssid_len = ssid[1]; | |
1341 | os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]); | |
1342 | } | |
1343 | } | |
1344 | ||
1345 | return NL_SKIP; | |
1346 | } | |
1347 | ||
1348 | ||
1349 | int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid) | |
1350 | { | |
1351 | struct nl_msg *msg; | |
1352 | int ret; | |
1353 | struct nl80211_get_assoc_freq_arg arg; | |
1354 | int count = 0; | |
1355 | ||
1356 | try_again: | |
1357 | msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN); | |
1358 | os_memset(&arg, 0, sizeof(arg)); | |
1359 | arg.drv = drv; | |
1360 | ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler, | |
1361 | &arg); | |
1362 | if (ret == -EAGAIN) { | |
1363 | count++; | |
1364 | if (count >= 10) { | |
1365 | wpa_printf(MSG_INFO, | |
1366 | "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid"); | |
1367 | } else { | |
1368 | wpa_printf(MSG_DEBUG, | |
1369 | "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid - try again"); | |
1370 | goto try_again; | |
1371 | } | |
1372 | } | |
1373 | if (ret == 0) { | |
1374 | os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len); | |
1375 | return arg.assoc_ssid_len; | |
1376 | } | |
1377 | wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)", | |
1378 | ret, strerror(-ret)); | |
1379 | return ret; | |
1380 | } | |
1381 | ||
1382 | ||
1383 | unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv) | |
1384 | { | |
1385 | struct nl_msg *msg; | |
1386 | int ret; | |
1387 | struct nl80211_get_assoc_freq_arg arg; | |
1388 | int count = 0; | |
1389 | ||
1390 | try_again: | |
1391 | msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN); | |
1392 | os_memset(&arg, 0, sizeof(arg)); | |
1393 | arg.drv = drv; | |
1394 | ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler, | |
1395 | &arg); | |
1396 | if (ret == -EAGAIN) { | |
1397 | count++; | |
1398 | if (count >= 10) { | |
1399 | wpa_printf(MSG_INFO, | |
1400 | "nl80211: Failed to receive consistent scan result dump for get_assoc_freq"); | |
1401 | } else { | |
1402 | wpa_printf(MSG_DEBUG, | |
1403 | "nl80211: Failed to receive consistent scan result dump for get_assoc_freq - try again"); | |
1404 | goto try_again; | |
1405 | } | |
1406 | } | |
1407 | if (ret == 0) { | |
1408 | unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ? | |
1409 | arg.ibss_freq : arg.assoc_freq; | |
1410 | wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the " | |
1411 | "associated BSS from scan results: %u MHz", freq); | |
1412 | if (freq) | |
1413 | drv->assoc_freq = freq; | |
1414 | return drv->assoc_freq; | |
1415 | } | |
1416 | wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " | |
1417 | "(%s)", ret, strerror(-ret)); | |
1418 | return drv->assoc_freq; | |
1419 | } | |
1420 | ||
1421 | ||
1422 | static int get_link_signal(struct nl_msg *msg, void *arg) | |
1423 | { | |
1424 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1425 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1426 | struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1]; | |
1427 | static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = { | |
1428 | [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 }, | |
1429 | [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 }, | |
1430 | [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 }, | |
1431 | }; | |
1432 | struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1]; | |
1433 | static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = { | |
1434 | [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 }, | |
1435 | [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 }, | |
1436 | [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG }, | |
1437 | [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG }, | |
1438 | }; | |
1439 | struct wpa_signal_info *sig_change = arg; | |
1440 | ||
1441 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1442 | genlmsg_attrlen(gnlh, 0), NULL); | |
1443 | if (!tb[NL80211_ATTR_STA_INFO] || | |
1444 | nla_parse_nested(sinfo, NL80211_STA_INFO_MAX, | |
1445 | tb[NL80211_ATTR_STA_INFO], policy)) | |
1446 | return NL_SKIP; | |
1447 | if (!sinfo[NL80211_STA_INFO_SIGNAL]) | |
1448 | return NL_SKIP; | |
1449 | ||
1450 | sig_change->current_signal = | |
1451 | (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]); | |
1452 | ||
1453 | if (sinfo[NL80211_STA_INFO_SIGNAL_AVG]) | |
1454 | sig_change->avg_signal = | |
1455 | (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]); | |
1456 | else | |
1457 | sig_change->avg_signal = 0; | |
1458 | ||
1459 | if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]) | |
1460 | sig_change->avg_beacon_signal = | |
1461 | (s8) | |
1462 | nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]); | |
1463 | else | |
1464 | sig_change->avg_beacon_signal = 0; | |
1465 | ||
1466 | if (sinfo[NL80211_STA_INFO_TX_BITRATE]) { | |
1467 | if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX, | |
1468 | sinfo[NL80211_STA_INFO_TX_BITRATE], | |
1469 | rate_policy)) { | |
1470 | sig_change->current_txrate = 0; | |
1471 | } else { | |
1472 | if (rinfo[NL80211_RATE_INFO_BITRATE]) { | |
1473 | sig_change->current_txrate = | |
1474 | nla_get_u16(rinfo[ | |
1475 | NL80211_RATE_INFO_BITRATE]) * 100; | |
1476 | } | |
1477 | } | |
1478 | } | |
1479 | ||
1480 | return NL_SKIP; | |
1481 | } | |
1482 | ||
1483 | ||
1484 | int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, | |
1485 | struct wpa_signal_info *sig) | |
1486 | { | |
1487 | struct nl_msg *msg; | |
1488 | ||
1489 | sig->current_signal = -WPA_INVALID_NOISE; | |
1490 | sig->current_txrate = 0; | |
1491 | ||
1492 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) || | |
1493 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) { | |
1494 | nlmsg_free(msg); | |
1495 | return -ENOBUFS; | |
1496 | } | |
1497 | ||
1498 | return send_and_recv_msgs(drv, msg, get_link_signal, sig); | |
1499 | } | |
1500 | ||
1501 | ||
1502 | static int get_link_noise(struct nl_msg *msg, void *arg) | |
1503 | { | |
1504 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1505 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1506 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
1507 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
1508 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
1509 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
1510 | }; | |
1511 | struct wpa_signal_info *sig_change = arg; | |
1512 | ||
1513 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1514 | genlmsg_attrlen(gnlh, 0), NULL); | |
1515 | ||
1516 | if (!tb[NL80211_ATTR_SURVEY_INFO]) { | |
1517 | wpa_printf(MSG_DEBUG, "nl80211: survey data missing!"); | |
1518 | return NL_SKIP; | |
1519 | } | |
1520 | ||
1521 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
1522 | tb[NL80211_ATTR_SURVEY_INFO], | |
1523 | survey_policy)) { | |
1524 | wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested " | |
1525 | "attributes!"); | |
1526 | return NL_SKIP; | |
1527 | } | |
1528 | ||
1529 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) | |
1530 | return NL_SKIP; | |
1531 | ||
1532 | if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != | |
1533 | sig_change->frequency) | |
1534 | return NL_SKIP; | |
1535 | ||
1536 | if (!sinfo[NL80211_SURVEY_INFO_NOISE]) | |
1537 | return NL_SKIP; | |
1538 | ||
1539 | sig_change->current_noise = | |
1540 | (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
1541 | ||
1542 | return NL_SKIP; | |
1543 | } | |
1544 | ||
1545 | ||
1546 | int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, | |
1547 | struct wpa_signal_info *sig_change) | |
1548 | { | |
1549 | struct nl_msg *msg; | |
1550 | ||
1551 | sig_change->current_noise = WPA_INVALID_NOISE; | |
1552 | sig_change->frequency = drv->assoc_freq; | |
1553 | ||
1554 | msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); | |
1555 | return send_and_recv_msgs(drv, msg, get_link_noise, sig_change); | |
1556 | } | |
1557 | ||
1558 | ||
1559 | static int get_channel_info(struct nl_msg *msg, void *arg) | |
1560 | { | |
1561 | struct nlattr *tb[NL80211_ATTR_MAX + 1] = { 0 }; | |
1562 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1563 | struct wpa_channel_info *chan_info = arg; | |
1564 | ||
1565 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1566 | genlmsg_attrlen(gnlh, 0), NULL); | |
1567 | ||
1568 | os_memset(chan_info, 0, sizeof(struct wpa_channel_info)); | |
1569 | chan_info->chanwidth = CHAN_WIDTH_UNKNOWN; | |
1570 | ||
1571 | if (tb[NL80211_ATTR_WIPHY_FREQ]) | |
1572 | chan_info->frequency = | |
1573 | nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]); | |
1574 | if (tb[NL80211_ATTR_CHANNEL_WIDTH]) | |
1575 | chan_info->chanwidth = convert2width( | |
1576 | nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH])); | |
1577 | if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { | |
1578 | enum nl80211_channel_type ct = | |
1579 | nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1580 | ||
1581 | switch (ct) { | |
1582 | case NL80211_CHAN_HT40MINUS: | |
1583 | chan_info->sec_channel = -1; | |
1584 | break; | |
1585 | case NL80211_CHAN_HT40PLUS: | |
1586 | chan_info->sec_channel = 1; | |
1587 | break; | |
1588 | default: | |
1589 | chan_info->sec_channel = 0; | |
1590 | break; | |
1591 | } | |
1592 | } | |
1593 | if (tb[NL80211_ATTR_CENTER_FREQ1]) | |
1594 | chan_info->center_frq1 = | |
1595 | nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]); | |
1596 | if (tb[NL80211_ATTR_CENTER_FREQ2]) | |
1597 | chan_info->center_frq2 = | |
1598 | nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]); | |
1599 | ||
1600 | if (chan_info->center_frq2) { | |
1601 | u8 seg1_idx = 0; | |
1602 | ||
1603 | if (ieee80211_freq_to_chan(chan_info->center_frq2, &seg1_idx) != | |
1604 | NUM_HOSTAPD_MODES) | |
1605 | chan_info->seg1_idx = seg1_idx; | |
1606 | } | |
1607 | ||
1608 | return NL_SKIP; | |
1609 | } | |
1610 | ||
1611 | ||
1612 | static int nl80211_channel_info(void *priv, struct wpa_channel_info *ci) | |
1613 | { | |
1614 | struct i802_bss *bss = priv; | |
1615 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1616 | struct nl_msg *msg; | |
1617 | ||
1618 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE); | |
1619 | return send_and_recv_msgs(drv, msg, get_channel_info, ci); | |
1620 | } | |
1621 | ||
1622 | ||
1623 | static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx, | |
1624 | void *handle) | |
1625 | { | |
1626 | struct nl_cb *cb = eloop_ctx; | |
1627 | int res; | |
1628 | ||
1629 | wpa_printf(MSG_MSGDUMP, "nl80211: Event message available"); | |
1630 | ||
1631 | res = nl_recvmsgs(handle, cb); | |
1632 | if (res < 0) { | |
1633 | wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d", | |
1634 | __func__, res); | |
1635 | } | |
1636 | } | |
1637 | ||
1638 | ||
1639 | /** | |
1640 | * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain | |
1641 | * @priv: driver_nl80211 private data | |
1642 | * @alpha2_arg: country to which to switch to | |
1643 | * Returns: 0 on success, -1 on failure | |
1644 | * | |
1645 | * This asks nl80211 to set the regulatory domain for given | |
1646 | * country ISO / IEC alpha2. | |
1647 | */ | |
1648 | static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg) | |
1649 | { | |
1650 | struct i802_bss *bss = priv; | |
1651 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1652 | char alpha2[3]; | |
1653 | struct nl_msg *msg; | |
1654 | ||
1655 | msg = nlmsg_alloc(); | |
1656 | if (!msg) | |
1657 | return -ENOMEM; | |
1658 | ||
1659 | alpha2[0] = alpha2_arg[0]; | |
1660 | alpha2[1] = alpha2_arg[1]; | |
1661 | alpha2[2] = '\0'; | |
1662 | ||
1663 | if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) || | |
1664 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) { | |
1665 | nlmsg_free(msg); | |
1666 | return -EINVAL; | |
1667 | } | |
1668 | if (send_and_recv_msgs(drv, msg, NULL, NULL)) | |
1669 | return -EINVAL; | |
1670 | return 0; | |
1671 | } | |
1672 | ||
1673 | ||
1674 | static int nl80211_get_country(struct nl_msg *msg, void *arg) | |
1675 | { | |
1676 | char *alpha2 = arg; | |
1677 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
1678 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1679 | ||
1680 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1681 | genlmsg_attrlen(gnlh, 0), NULL); | |
1682 | if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) { | |
1683 | wpa_printf(MSG_DEBUG, "nl80211: No country information available"); | |
1684 | return NL_SKIP; | |
1685 | } | |
1686 | os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3); | |
1687 | return NL_SKIP; | |
1688 | } | |
1689 | ||
1690 | ||
1691 | static int wpa_driver_nl80211_get_country(void *priv, char *alpha2) | |
1692 | { | |
1693 | struct i802_bss *bss = priv; | |
1694 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1695 | struct nl_msg *msg; | |
1696 | int ret; | |
1697 | ||
1698 | msg = nlmsg_alloc(); | |
1699 | if (!msg) | |
1700 | return -ENOMEM; | |
1701 | ||
1702 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); | |
1703 | alpha2[0] = '\0'; | |
1704 | ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2); | |
1705 | if (!alpha2[0]) | |
1706 | ret = -1; | |
1707 | ||
1708 | return ret; | |
1709 | } | |
1710 | ||
1711 | ||
1712 | static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global) | |
1713 | { | |
1714 | int ret; | |
1715 | ||
1716 | global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
1717 | if (global->nl_cb == NULL) { | |
1718 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " | |
1719 | "callbacks"); | |
1720 | return -1; | |
1721 | } | |
1722 | ||
1723 | global->nl = nl_create_handle(global->nl_cb, "nl"); | |
1724 | if (global->nl == NULL) | |
1725 | goto err; | |
1726 | ||
1727 | global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211"); | |
1728 | if (global->nl80211_id < 0) { | |
1729 | wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not " | |
1730 | "found"); | |
1731 | goto err; | |
1732 | } | |
1733 | ||
1734 | global->nl_event = nl_create_handle(global->nl_cb, "event"); | |
1735 | if (global->nl_event == NULL) | |
1736 | goto err; | |
1737 | ||
1738 | ret = nl_get_multicast_id(global, "nl80211", "scan"); | |
1739 | if (ret >= 0) | |
1740 | ret = nl_socket_add_membership(global->nl_event, ret); | |
1741 | if (ret < 0) { | |
1742 | wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " | |
1743 | "membership for scan events: %d (%s)", | |
1744 | ret, nl_geterror(ret)); | |
1745 | goto err; | |
1746 | } | |
1747 | ||
1748 | ret = nl_get_multicast_id(global, "nl80211", "mlme"); | |
1749 | if (ret >= 0) | |
1750 | ret = nl_socket_add_membership(global->nl_event, ret); | |
1751 | if (ret < 0) { | |
1752 | wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " | |
1753 | "membership for mlme events: %d (%s)", | |
1754 | ret, nl_geterror(ret)); | |
1755 | goto err; | |
1756 | } | |
1757 | ||
1758 | ret = nl_get_multicast_id(global, "nl80211", "regulatory"); | |
1759 | if (ret >= 0) | |
1760 | ret = nl_socket_add_membership(global->nl_event, ret); | |
1761 | if (ret < 0) { | |
1762 | wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " | |
1763 | "membership for regulatory events: %d (%s)", | |
1764 | ret, nl_geterror(ret)); | |
1765 | /* Continue without regulatory events */ | |
1766 | } | |
1767 | ||
1768 | ret = nl_get_multicast_id(global, "nl80211", "vendor"); | |
1769 | if (ret >= 0) | |
1770 | ret = nl_socket_add_membership(global->nl_event, ret); | |
1771 | if (ret < 0) { | |
1772 | wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " | |
1773 | "membership for vendor events: %d (%s)", | |
1774 | ret, nl_geterror(ret)); | |
1775 | /* Continue without vendor events */ | |
1776 | } | |
1777 | ||
1778 | nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
1779 | no_seq_check, NULL); | |
1780 | nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
1781 | process_global_event, global); | |
1782 | ||
1783 | nl80211_register_eloop_read(&global->nl_event, | |
1784 | wpa_driver_nl80211_event_receive, | |
1785 | global->nl_cb, 0); | |
1786 | ||
1787 | return 0; | |
1788 | ||
1789 | err: | |
1790 | nl_destroy_handles(&global->nl_event); | |
1791 | nl_destroy_handles(&global->nl); | |
1792 | nl_cb_put(global->nl_cb); | |
1793 | global->nl_cb = NULL; | |
1794 | return -1; | |
1795 | } | |
1796 | ||
1797 | ||
1798 | static void nl80211_check_global(struct nl80211_global *global) | |
1799 | { | |
1800 | struct nl_sock *handle; | |
1801 | const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL }; | |
1802 | int ret; | |
1803 | unsigned int i; | |
1804 | ||
1805 | /* | |
1806 | * Try to re-add memberships to handle case of cfg80211 getting reloaded | |
1807 | * and all registration having been cleared. | |
1808 | */ | |
1809 | handle = (void *) (((intptr_t) global->nl_event) ^ | |
1810 | ELOOP_SOCKET_INVALID); | |
1811 | ||
1812 | for (i = 0; groups[i]; i++) { | |
1813 | ret = nl_get_multicast_id(global, "nl80211", groups[i]); | |
1814 | if (ret >= 0) | |
1815 | ret = nl_socket_add_membership(handle, ret); | |
1816 | if (ret < 0) { | |
1817 | wpa_printf(MSG_INFO, | |
1818 | "nl80211: Could not re-add multicast membership for %s events: %d (%s)", | |
1819 | groups[i], ret, nl_geterror(ret)); | |
1820 | } | |
1821 | } | |
1822 | } | |
1823 | ||
1824 | ||
1825 | static void wpa_driver_nl80211_rfkill_blocked(void *ctx) | |
1826 | { | |
1827 | struct wpa_driver_nl80211_data *drv = ctx; | |
1828 | ||
1829 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked"); | |
1830 | ||
1831 | /* | |
1832 | * rtnetlink ifdown handler will report interfaces other than the P2P | |
1833 | * Device interface as disabled. | |
1834 | */ | |
1835 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
1836 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL); | |
1837 | } | |
1838 | ||
1839 | ||
1840 | static void wpa_driver_nl80211_rfkill_unblocked(void *ctx) | |
1841 | { | |
1842 | struct wpa_driver_nl80211_data *drv = ctx; | |
1843 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked"); | |
1844 | if (i802_set_iface_flags(drv->first_bss, 1)) { | |
1845 | wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP " | |
1846 | "after rfkill unblock"); | |
1847 | return; | |
1848 | } | |
1849 | ||
1850 | if (is_p2p_net_interface(drv->nlmode)) | |
1851 | nl80211_disable_11b_rates(drv, drv->ifindex, 1); | |
1852 | ||
1853 | /* | |
1854 | * rtnetlink ifup handler will report interfaces other than the P2P | |
1855 | * Device interface as enabled. | |
1856 | */ | |
1857 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
1858 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL); | |
1859 | } | |
1860 | ||
1861 | ||
1862 | static void wpa_driver_nl80211_handle_eapol_tx_status(int sock, | |
1863 | void *eloop_ctx, | |
1864 | void *handle) | |
1865 | { | |
1866 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
1867 | u8 data[2048]; | |
1868 | struct msghdr msg; | |
1869 | struct iovec entry; | |
1870 | u8 control[512]; | |
1871 | struct cmsghdr *cmsg; | |
1872 | int res, found_ee = 0, found_wifi = 0, acked = 0; | |
1873 | union wpa_event_data event; | |
1874 | ||
1875 | memset(&msg, 0, sizeof(msg)); | |
1876 | msg.msg_iov = &entry; | |
1877 | msg.msg_iovlen = 1; | |
1878 | entry.iov_base = data; | |
1879 | entry.iov_len = sizeof(data); | |
1880 | msg.msg_control = &control; | |
1881 | msg.msg_controllen = sizeof(control); | |
1882 | ||
1883 | res = recvmsg(sock, &msg, MSG_ERRQUEUE); | |
1884 | /* if error or not fitting 802.3 header, return */ | |
1885 | if (res < 14) | |
1886 | return; | |
1887 | ||
1888 | for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) | |
1889 | { | |
1890 | if (cmsg->cmsg_level == SOL_SOCKET && | |
1891 | cmsg->cmsg_type == SCM_WIFI_STATUS) { | |
1892 | int *ack; | |
1893 | ||
1894 | found_wifi = 1; | |
1895 | ack = (void *)CMSG_DATA(cmsg); | |
1896 | acked = *ack; | |
1897 | } | |
1898 | ||
1899 | if (cmsg->cmsg_level == SOL_PACKET && | |
1900 | cmsg->cmsg_type == PACKET_TX_TIMESTAMP) { | |
1901 | struct sock_extended_err *err = | |
1902 | (struct sock_extended_err *)CMSG_DATA(cmsg); | |
1903 | ||
1904 | if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS) | |
1905 | found_ee = 1; | |
1906 | } | |
1907 | } | |
1908 | ||
1909 | if (!found_ee || !found_wifi) | |
1910 | return; | |
1911 | ||
1912 | memset(&event, 0, sizeof(event)); | |
1913 | event.eapol_tx_status.dst = data; | |
1914 | event.eapol_tx_status.data = data + 14; | |
1915 | event.eapol_tx_status.data_len = res - 14; | |
1916 | event.eapol_tx_status.ack = acked; | |
1917 | wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event); | |
1918 | } | |
1919 | ||
1920 | ||
1921 | static int nl80211_init_bss(struct i802_bss *bss) | |
1922 | { | |
1923 | bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
1924 | if (!bss->nl_cb) | |
1925 | return -1; | |
1926 | ||
1927 | nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
1928 | no_seq_check, NULL); | |
1929 | nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
1930 | process_bss_event, bss); | |
1931 | ||
1932 | return 0; | |
1933 | } | |
1934 | ||
1935 | ||
1936 | static void nl80211_destroy_bss(struct i802_bss *bss) | |
1937 | { | |
1938 | nl_cb_put(bss->nl_cb); | |
1939 | bss->nl_cb = NULL; | |
1940 | } | |
1941 | ||
1942 | ||
1943 | static void | |
1944 | wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv) | |
1945 | { | |
1946 | struct rfkill_config *rcfg; | |
1947 | ||
1948 | if (drv->rfkill) | |
1949 | return; | |
1950 | ||
1951 | rcfg = os_zalloc(sizeof(*rcfg)); | |
1952 | if (!rcfg) | |
1953 | return; | |
1954 | ||
1955 | rcfg->ctx = drv; | |
1956 | ||
1957 | /* rfkill uses netdev sysfs for initialization. However, P2P Device is | |
1958 | * not associated with a netdev, so use the name of some other interface | |
1959 | * sharing the same wiphy as the P2P Device interface. | |
1960 | * | |
1961 | * Note: This is valid, as a P2P Device interface is always dynamically | |
1962 | * created and is created only once another wpa_s interface was added. | |
1963 | */ | |
1964 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) { | |
1965 | struct nl80211_global *global = drv->global; | |
1966 | struct wpa_driver_nl80211_data *tmp1; | |
1967 | ||
1968 | dl_list_for_each(tmp1, &global->interfaces, | |
1969 | struct wpa_driver_nl80211_data, list) { | |
1970 | if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx || | |
1971 | !tmp1->rfkill) | |
1972 | continue; | |
1973 | ||
1974 | wpa_printf(MSG_DEBUG, | |
1975 | "nl80211: Use (%s) to initialize P2P Device rfkill", | |
1976 | tmp1->first_bss->ifname); | |
1977 | os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname, | |
1978 | sizeof(rcfg->ifname)); | |
1979 | break; | |
1980 | } | |
1981 | } else { | |
1982 | os_strlcpy(rcfg->ifname, drv->first_bss->ifname, | |
1983 | sizeof(rcfg->ifname)); | |
1984 | } | |
1985 | ||
1986 | rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked; | |
1987 | rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked; | |
1988 | drv->rfkill = rfkill_init(rcfg); | |
1989 | if (!drv->rfkill) { | |
1990 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available"); | |
1991 | os_free(rcfg); | |
1992 | } | |
1993 | } | |
1994 | ||
1995 | ||
1996 | static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname, | |
1997 | void *global_priv, int hostapd, | |
1998 | const u8 *set_addr, | |
1999 | const char *driver_params) | |
2000 | { | |
2001 | struct wpa_driver_nl80211_data *drv; | |
2002 | struct i802_bss *bss; | |
2003 | ||
2004 | if (global_priv == NULL) | |
2005 | return NULL; | |
2006 | drv = os_zalloc(sizeof(*drv)); | |
2007 | if (drv == NULL) | |
2008 | return NULL; | |
2009 | drv->global = global_priv; | |
2010 | drv->ctx = ctx; | |
2011 | drv->hostapd = !!hostapd; | |
2012 | drv->eapol_sock = -1; | |
2013 | ||
2014 | /* | |
2015 | * There is no driver capability flag for this, so assume it is | |
2016 | * supported and disable this on first attempt to use if the driver | |
2017 | * rejects the command due to missing support. | |
2018 | */ | |
2019 | drv->set_rekey_offload = 1; | |
2020 | ||
2021 | drv->num_if_indices = ARRAY_SIZE(drv->default_if_indices); | |
2022 | drv->if_indices = drv->default_if_indices; | |
2023 | ||
2024 | drv->first_bss = os_zalloc(sizeof(*drv->first_bss)); | |
2025 | if (!drv->first_bss) { | |
2026 | os_free(drv); | |
2027 | return NULL; | |
2028 | } | |
2029 | bss = drv->first_bss; | |
2030 | bss->drv = drv; | |
2031 | bss->ctx = ctx; | |
2032 | ||
2033 | os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname)); | |
2034 | drv->monitor_ifidx = -1; | |
2035 | drv->monitor_sock = -1; | |
2036 | drv->eapol_tx_sock = -1; | |
2037 | drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; | |
2038 | ||
2039 | if (nl80211_init_bss(bss)) | |
2040 | goto failed; | |
2041 | ||
2042 | if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params)) | |
2043 | goto failed; | |
2044 | ||
2045 | drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0); | |
2046 | if (drv->eapol_tx_sock < 0) | |
2047 | goto failed; | |
2048 | ||
2049 | if (drv->data_tx_status) { | |
2050 | int enabled = 1; | |
2051 | ||
2052 | if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS, | |
2053 | &enabled, sizeof(enabled)) < 0) { | |
2054 | wpa_printf(MSG_DEBUG, | |
2055 | "nl80211: wifi status sockopt failed\n"); | |
2056 | drv->data_tx_status = 0; | |
2057 | if (!drv->use_monitor) | |
2058 | drv->capa.flags &= | |
2059 | ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
2060 | } else { | |
2061 | eloop_register_read_sock(drv->eapol_tx_sock, | |
2062 | wpa_driver_nl80211_handle_eapol_tx_status, | |
2063 | drv, NULL); | |
2064 | } | |
2065 | } | |
2066 | ||
2067 | if (drv->global) { | |
2068 | nl80211_check_global(drv->global); | |
2069 | dl_list_add(&drv->global->interfaces, &drv->list); | |
2070 | drv->in_interface_list = 1; | |
2071 | } | |
2072 | ||
2073 | return bss; | |
2074 | ||
2075 | failed: | |
2076 | wpa_driver_nl80211_deinit(bss); | |
2077 | return NULL; | |
2078 | } | |
2079 | ||
2080 | ||
2081 | /** | |
2082 | * wpa_driver_nl80211_init - Initialize nl80211 driver interface | |
2083 | * @ctx: context to be used when calling wpa_supplicant functions, | |
2084 | * e.g., wpa_supplicant_event() | |
2085 | * @ifname: interface name, e.g., wlan0 | |
2086 | * @global_priv: private driver global data from global_init() | |
2087 | * Returns: Pointer to private data, %NULL on failure | |
2088 | */ | |
2089 | static void * wpa_driver_nl80211_init(void *ctx, const char *ifname, | |
2090 | void *global_priv) | |
2091 | { | |
2092 | return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL, | |
2093 | NULL); | |
2094 | } | |
2095 | ||
2096 | ||
2097 | static int nl80211_register_frame(struct i802_bss *bss, | |
2098 | struct nl_sock *nl_handle, | |
2099 | u16 type, const u8 *match, size_t match_len) | |
2100 | { | |
2101 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2102 | struct nl_msg *msg; | |
2103 | int ret; | |
2104 | char buf[30]; | |
2105 | ||
2106 | buf[0] = '\0'; | |
2107 | wpa_snprintf_hex(buf, sizeof(buf), match, match_len); | |
2108 | wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s", | |
2109 | type, fc2str(type), nl_handle, buf); | |
2110 | ||
2111 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_FRAME)) || | |
2112 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) || | |
2113 | nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) { | |
2114 | nlmsg_free(msg); | |
2115 | return -1; | |
2116 | } | |
2117 | ||
2118 | ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL); | |
2119 | if (ret) { | |
2120 | wpa_printf(MSG_DEBUG, "nl80211: Register frame command " | |
2121 | "failed (type=%u): ret=%d (%s)", | |
2122 | type, ret, strerror(-ret)); | |
2123 | wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match", | |
2124 | match, match_len); | |
2125 | } | |
2126 | return ret; | |
2127 | } | |
2128 | ||
2129 | ||
2130 | static int nl80211_alloc_mgmt_handle(struct i802_bss *bss) | |
2131 | { | |
2132 | if (bss->nl_mgmt) { | |
2133 | wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting " | |
2134 | "already on! (nl_mgmt=%p)", bss->nl_mgmt); | |
2135 | return -1; | |
2136 | } | |
2137 | ||
2138 | bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt"); | |
2139 | if (bss->nl_mgmt == NULL) | |
2140 | return -1; | |
2141 | ||
2142 | return 0; | |
2143 | } | |
2144 | ||
2145 | ||
2146 | static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss) | |
2147 | { | |
2148 | nl80211_register_eloop_read(&bss->nl_mgmt, | |
2149 | wpa_driver_nl80211_event_receive, | |
2150 | bss->nl_cb, 0); | |
2151 | } | |
2152 | ||
2153 | ||
2154 | static int nl80211_register_action_frame(struct i802_bss *bss, | |
2155 | const u8 *match, size_t match_len) | |
2156 | { | |
2157 | u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4); | |
2158 | return nl80211_register_frame(bss, bss->nl_mgmt, | |
2159 | type, match, match_len); | |
2160 | } | |
2161 | ||
2162 | ||
2163 | static int nl80211_init_connect_handle(struct i802_bss *bss) | |
2164 | { | |
2165 | if (bss->nl_connect) { | |
2166 | wpa_printf(MSG_DEBUG, | |
2167 | "nl80211: Connect handle already created (nl_connect=%p)", | |
2168 | bss->nl_connect); | |
2169 | return -1; | |
2170 | } | |
2171 | ||
2172 | bss->nl_connect = nl_create_handle(bss->nl_cb, "connect"); | |
2173 | if (!bss->nl_connect) | |
2174 | return -1; | |
2175 | nl80211_register_eloop_read(&bss->nl_connect, | |
2176 | wpa_driver_nl80211_event_receive, | |
2177 | bss->nl_cb, 1); | |
2178 | return 0; | |
2179 | } | |
2180 | ||
2181 | ||
2182 | static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss) | |
2183 | { | |
2184 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2185 | u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4); | |
2186 | int ret = 0; | |
2187 | ||
2188 | if (nl80211_alloc_mgmt_handle(bss)) | |
2189 | return -1; | |
2190 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP " | |
2191 | "handle %p", bss->nl_mgmt); | |
2192 | ||
2193 | if (drv->nlmode == NL80211_IFTYPE_ADHOC) { | |
2194 | /* register for any AUTH message */ | |
2195 | nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0); | |
2196 | } else if ((drv->capa.flags & WPA_DRIVER_FLAGS_SAE) && | |
2197 | !(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) { | |
2198 | /* register for SAE Authentication frames */ | |
2199 | nl80211_register_frame(bss, bss->nl_mgmt, type, | |
2200 | (u8 *) "\x03\x00", 2); | |
2201 | } | |
2202 | ||
2203 | #ifdef CONFIG_INTERWORKING | |
2204 | /* QoS Map Configure */ | |
2205 | if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0) | |
2206 | ret = -1; | |
2207 | #endif /* CONFIG_INTERWORKING */ | |
2208 | #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP) | |
2209 | /* GAS Initial Request */ | |
2210 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0) | |
2211 | ret = -1; | |
2212 | /* GAS Initial Response */ | |
2213 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0) | |
2214 | ret = -1; | |
2215 | /* GAS Comeback Request */ | |
2216 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0) | |
2217 | ret = -1; | |
2218 | /* GAS Comeback Response */ | |
2219 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0) | |
2220 | ret = -1; | |
2221 | /* Protected GAS Initial Request */ | |
2222 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0) | |
2223 | ret = -1; | |
2224 | /* Protected GAS Initial Response */ | |
2225 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0) | |
2226 | ret = -1; | |
2227 | /* Protected GAS Comeback Request */ | |
2228 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0) | |
2229 | ret = -1; | |
2230 | /* Protected GAS Comeback Response */ | |
2231 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0) | |
2232 | ret = -1; | |
2233 | #endif /* CONFIG_P2P || CONFIG_INTERWORKING || CONFIG_DPP */ | |
2234 | #ifdef CONFIG_P2P | |
2235 | /* P2P Public Action */ | |
2236 | if (nl80211_register_action_frame(bss, | |
2237 | (u8 *) "\x04\x09\x50\x6f\x9a\x09", | |
2238 | 6) < 0) | |
2239 | ret = -1; | |
2240 | /* P2P Action */ | |
2241 | if (nl80211_register_action_frame(bss, | |
2242 | (u8 *) "\x7f\x50\x6f\x9a\x09", | |
2243 | 5) < 0) | |
2244 | ret = -1; | |
2245 | #endif /* CONFIG_P2P */ | |
2246 | #ifdef CONFIG_DPP | |
2247 | /* DPP Public Action */ | |
2248 | if (nl80211_register_action_frame(bss, | |
2249 | (u8 *) "\x04\x09\x50\x6f\x9a\x1a", | |
2250 | 6) < 0) | |
2251 | ret = -1; | |
2252 | #endif /* CONFIG_DPP */ | |
2253 | #ifdef CONFIG_OCV | |
2254 | /* SA Query Request */ | |
2255 | if (nl80211_register_action_frame(bss, (u8 *) "\x08\x00", 2) < 0) | |
2256 | ret = -1; | |
2257 | #endif /* CONFIG_OCV */ | |
2258 | /* SA Query Response */ | |
2259 | if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0) | |
2260 | ret = -1; | |
2261 | #ifdef CONFIG_TDLS | |
2262 | if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) { | |
2263 | /* TDLS Discovery Response */ | |
2264 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) < | |
2265 | 0) | |
2266 | ret = -1; | |
2267 | } | |
2268 | #endif /* CONFIG_TDLS */ | |
2269 | #ifdef CONFIG_FST | |
2270 | /* FST Action frames */ | |
2271 | if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0) | |
2272 | ret = -1; | |
2273 | #endif /* CONFIG_FST */ | |
2274 | ||
2275 | /* FT Action frames */ | |
2276 | if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0) | |
2277 | ret = -1; | |
2278 | else | |
2279 | drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT | | |
2280 | WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK; | |
2281 | ||
2282 | /* WNM - BSS Transition Management Request */ | |
2283 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0) | |
2284 | ret = -1; | |
2285 | /* WNM-Sleep Mode Response */ | |
2286 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0) | |
2287 | ret = -1; | |
2288 | #ifdef CONFIG_WNM | |
2289 | /* WNM - Collocated Interference Request */ | |
2290 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x0b", 2) < 0) | |
2291 | ret = -1; | |
2292 | #endif /* CONFIG_WNM */ | |
2293 | ||
2294 | #ifdef CONFIG_HS20 | |
2295 | /* WNM-Notification */ | |
2296 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0) | |
2297 | ret = -1; | |
2298 | #endif /* CONFIG_HS20 */ | |
2299 | ||
2300 | /* WMM-AC ADDTS Response */ | |
2301 | if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0) | |
2302 | ret = -1; | |
2303 | ||
2304 | /* WMM-AC DELTS */ | |
2305 | if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0) | |
2306 | ret = -1; | |
2307 | ||
2308 | /* Radio Measurement - Neighbor Report Response */ | |
2309 | if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0) | |
2310 | ret = -1; | |
2311 | ||
2312 | /* Radio Measurement - Radio Measurement Request */ | |
2313 | if (nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0) | |
2314 | ret = -1; | |
2315 | ||
2316 | /* Radio Measurement - Link Measurement Request */ | |
2317 | if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) && | |
2318 | (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0)) | |
2319 | ret = -1; | |
2320 | ||
2321 | nl80211_mgmt_handle_register_eloop(bss); | |
2322 | ||
2323 | return ret; | |
2324 | } | |
2325 | ||
2326 | ||
2327 | static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss) | |
2328 | { | |
2329 | int ret = 0; | |
2330 | ||
2331 | if (nl80211_alloc_mgmt_handle(bss)) | |
2332 | return -1; | |
2333 | ||
2334 | wpa_printf(MSG_DEBUG, | |
2335 | "nl80211: Subscribe to mgmt frames with mesh handle %p", | |
2336 | bss->nl_mgmt); | |
2337 | ||
2338 | /* Auth frames for mesh SAE */ | |
2339 | if (nl80211_register_frame(bss, bss->nl_mgmt, | |
2340 | (WLAN_FC_TYPE_MGMT << 2) | | |
2341 | (WLAN_FC_STYPE_AUTH << 4), | |
2342 | NULL, 0) < 0) | |
2343 | ret = -1; | |
2344 | ||
2345 | /* Mesh peering open */ | |
2346 | if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0) | |
2347 | ret = -1; | |
2348 | /* Mesh peering confirm */ | |
2349 | if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0) | |
2350 | ret = -1; | |
2351 | /* Mesh peering close */ | |
2352 | if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0) | |
2353 | ret = -1; | |
2354 | ||
2355 | nl80211_mgmt_handle_register_eloop(bss); | |
2356 | ||
2357 | return ret; | |
2358 | } | |
2359 | ||
2360 | ||
2361 | static int nl80211_register_spurious_class3(struct i802_bss *bss) | |
2362 | { | |
2363 | struct nl_msg *msg; | |
2364 | int ret; | |
2365 | ||
2366 | msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME); | |
2367 | ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL); | |
2368 | if (ret) { | |
2369 | wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 " | |
2370 | "failed: ret=%d (%s)", | |
2371 | ret, strerror(-ret)); | |
2372 | } | |
2373 | return ret; | |
2374 | } | |
2375 | ||
2376 | ||
2377 | static int nl80211_action_subscribe_ap(struct i802_bss *bss) | |
2378 | { | |
2379 | int ret = 0; | |
2380 | ||
2381 | /* Public Action frames */ | |
2382 | if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0) | |
2383 | ret = -1; | |
2384 | /* RRM Measurement Report */ | |
2385 | if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0) | |
2386 | ret = -1; | |
2387 | /* RRM Link Measurement Report */ | |
2388 | if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0) | |
2389 | ret = -1; | |
2390 | /* RRM Neighbor Report Request */ | |
2391 | if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0) | |
2392 | ret = -1; | |
2393 | /* FT Action frames */ | |
2394 | if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0) | |
2395 | ret = -1; | |
2396 | /* SA Query */ | |
2397 | if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0) | |
2398 | ret = -1; | |
2399 | /* Protected Dual of Public Action */ | |
2400 | if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0) | |
2401 | ret = -1; | |
2402 | /* WNM */ | |
2403 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0) | |
2404 | ret = -1; | |
2405 | /* WMM */ | |
2406 | if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0) | |
2407 | ret = -1; | |
2408 | #ifdef CONFIG_FST | |
2409 | /* FST Action frames */ | |
2410 | if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0) | |
2411 | ret = -1; | |
2412 | #endif /* CONFIG_FST */ | |
2413 | /* Vendor-specific */ | |
2414 | if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0) | |
2415 | ret = -1; | |
2416 | ||
2417 | return ret; | |
2418 | } | |
2419 | ||
2420 | ||
2421 | static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss) | |
2422 | { | |
2423 | static const int stypes[] = { | |
2424 | WLAN_FC_STYPE_AUTH, | |
2425 | WLAN_FC_STYPE_ASSOC_REQ, | |
2426 | WLAN_FC_STYPE_REASSOC_REQ, | |
2427 | WLAN_FC_STYPE_DISASSOC, | |
2428 | WLAN_FC_STYPE_DEAUTH, | |
2429 | WLAN_FC_STYPE_PROBE_REQ, | |
2430 | /* Beacon doesn't work as mac80211 doesn't currently allow | |
2431 | * it, but it wouldn't really be the right thing anyway as | |
2432 | * it isn't per interface ... maybe just dump the scan | |
2433 | * results periodically for OLBC? | |
2434 | */ | |
2435 | /* WLAN_FC_STYPE_BEACON, */ | |
2436 | }; | |
2437 | unsigned int i; | |
2438 | ||
2439 | if (nl80211_alloc_mgmt_handle(bss)) | |
2440 | return -1; | |
2441 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " | |
2442 | "handle %p", bss->nl_mgmt); | |
2443 | ||
2444 | for (i = 0; i < ARRAY_SIZE(stypes); i++) { | |
2445 | if (nl80211_register_frame(bss, bss->nl_mgmt, | |
2446 | (WLAN_FC_TYPE_MGMT << 2) | | |
2447 | (stypes[i] << 4), | |
2448 | NULL, 0) < 0) { | |
2449 | goto out_err; | |
2450 | } | |
2451 | } | |
2452 | ||
2453 | if (nl80211_action_subscribe_ap(bss)) | |
2454 | goto out_err; | |
2455 | ||
2456 | if (nl80211_register_spurious_class3(bss)) | |
2457 | goto out_err; | |
2458 | ||
2459 | nl80211_mgmt_handle_register_eloop(bss); | |
2460 | return 0; | |
2461 | ||
2462 | out_err: | |
2463 | nl_destroy_handles(&bss->nl_mgmt); | |
2464 | return -1; | |
2465 | } | |
2466 | ||
2467 | ||
2468 | static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss) | |
2469 | { | |
2470 | if (nl80211_alloc_mgmt_handle(bss)) | |
2471 | return -1; | |
2472 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " | |
2473 | "handle %p (device SME)", bss->nl_mgmt); | |
2474 | ||
2475 | if (nl80211_action_subscribe_ap(bss)) | |
2476 | goto out_err; | |
2477 | ||
2478 | if (bss->drv->device_ap_sme) { | |
2479 | u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4); | |
2480 | ||
2481 | /* Register for all Authentication frames */ | |
2482 | if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0) | |
2483 | < 0) | |
2484 | wpa_printf(MSG_DEBUG, | |
2485 | "nl80211: Failed to subscribe to handle Authentication frames - SAE offload may not work"); | |
2486 | } | |
2487 | ||
2488 | nl80211_mgmt_handle_register_eloop(bss); | |
2489 | return 0; | |
2490 | ||
2491 | out_err: | |
2492 | nl_destroy_handles(&bss->nl_mgmt); | |
2493 | return -1; | |
2494 | } | |
2495 | ||
2496 | ||
2497 | static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason) | |
2498 | { | |
2499 | if (bss->nl_mgmt == NULL) | |
2500 | return; | |
2501 | wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p " | |
2502 | "(%s)", bss->nl_mgmt, reason); | |
2503 | nl80211_destroy_eloop_handle(&bss->nl_mgmt, 0); | |
2504 | ||
2505 | nl80211_put_wiphy_data_ap(bss); | |
2506 | } | |
2507 | ||
2508 | ||
2509 | static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx) | |
2510 | { | |
2511 | wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL); | |
2512 | } | |
2513 | ||
2514 | ||
2515 | static void nl80211_del_p2pdev(struct i802_bss *bss) | |
2516 | { | |
2517 | struct nl_msg *msg; | |
2518 | int ret; | |
2519 | ||
2520 | msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE); | |
2521 | ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
2522 | ||
2523 | wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s", | |
2524 | bss->ifname, (long long unsigned int) bss->wdev_id, | |
2525 | strerror(-ret)); | |
2526 | } | |
2527 | ||
2528 | ||
2529 | static int nl80211_set_p2pdev(struct i802_bss *bss, int start) | |
2530 | { | |
2531 | struct nl_msg *msg; | |
2532 | int ret; | |
2533 | ||
2534 | msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE : | |
2535 | NL80211_CMD_STOP_P2P_DEVICE); | |
2536 | ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
2537 | ||
2538 | wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s", | |
2539 | start ? "Start" : "Stop", | |
2540 | bss->ifname, (long long unsigned int) bss->wdev_id, | |
2541 | strerror(-ret)); | |
2542 | return ret; | |
2543 | } | |
2544 | ||
2545 | ||
2546 | static int i802_set_iface_flags(struct i802_bss *bss, int up) | |
2547 | { | |
2548 | enum nl80211_iftype nlmode; | |
2549 | ||
2550 | nlmode = nl80211_get_ifmode(bss); | |
2551 | if (nlmode != NL80211_IFTYPE_P2P_DEVICE) { | |
2552 | return linux_set_iface_flags(bss->drv->global->ioctl_sock, | |
2553 | bss->ifname, up); | |
2554 | } | |
2555 | ||
2556 | /* P2P Device has start/stop which is equivalent */ | |
2557 | return nl80211_set_p2pdev(bss, up); | |
2558 | } | |
2559 | ||
2560 | ||
2561 | #ifdef CONFIG_TESTING_OPTIONS | |
2562 | static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg) | |
2563 | { | |
2564 | /* struct wpa_driver_nl80211_data *drv = arg; */ | |
2565 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
2566 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
2567 | ||
2568 | ||
2569 | wpa_printf(MSG_DEBUG, | |
2570 | "nl80211: QCA vendor test command response received"); | |
2571 | ||
2572 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
2573 | genlmsg_attrlen(gnlh, 0), NULL); | |
2574 | if (!tb[NL80211_ATTR_VENDOR_DATA]) { | |
2575 | wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute"); | |
2576 | return NL_SKIP; | |
2577 | } | |
2578 | ||
2579 | wpa_hexdump(MSG_DEBUG, | |
2580 | "nl80211: Received QCA vendor test command response", | |
2581 | nla_data(tb[NL80211_ATTR_VENDOR_DATA]), | |
2582 | nla_len(tb[NL80211_ATTR_VENDOR_DATA])); | |
2583 | ||
2584 | return NL_SKIP; | |
2585 | } | |
2586 | #endif /* CONFIG_TESTING_OPTIONS */ | |
2587 | ||
2588 | ||
2589 | static void qca_vendor_test(struct wpa_driver_nl80211_data *drv) | |
2590 | { | |
2591 | #ifdef CONFIG_TESTING_OPTIONS | |
2592 | struct nl_msg *msg; | |
2593 | struct nlattr *params; | |
2594 | int ret; | |
2595 | ||
2596 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
2597 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
2598 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
2599 | QCA_NL80211_VENDOR_SUBCMD_TEST) || | |
2600 | !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
2601 | nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) { | |
2602 | nlmsg_free(msg); | |
2603 | return; | |
2604 | } | |
2605 | nla_nest_end(msg, params); | |
2606 | ||
2607 | ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv); | |
2608 | wpa_printf(MSG_DEBUG, | |
2609 | "nl80211: QCA vendor test command returned %d (%s)", | |
2610 | ret, strerror(-ret)); | |
2611 | #endif /* CONFIG_TESTING_OPTIONS */ | |
2612 | } | |
2613 | ||
2614 | ||
2615 | static int | |
2616 | wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv, | |
2617 | const u8 *set_addr, int first, | |
2618 | const char *driver_params) | |
2619 | { | |
2620 | struct i802_bss *bss = drv->first_bss; | |
2621 | int send_rfkill_event = 0; | |
2622 | enum nl80211_iftype nlmode; | |
2623 | ||
2624 | drv->ifindex = if_nametoindex(bss->ifname); | |
2625 | bss->ifindex = drv->ifindex; | |
2626 | bss->wdev_id = drv->global->if_add_wdevid; | |
2627 | bss->wdev_id_set = drv->global->if_add_wdevid_set; | |
2628 | ||
2629 | bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex; | |
2630 | bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set; | |
2631 | drv->global->if_add_wdevid_set = 0; | |
2632 | ||
2633 | if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP) | |
2634 | bss->static_ap = 1; | |
2635 | ||
2636 | if (first && | |
2637 | nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE && | |
2638 | linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0) | |
2639 | drv->start_iface_up = 1; | |
2640 | ||
2641 | if (wpa_driver_nl80211_capa(drv)) | |
2642 | return -1; | |
2643 | ||
2644 | if (driver_params && nl80211_set_param(bss, driver_params) < 0) | |
2645 | return -1; | |
2646 | ||
2647 | wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s", | |
2648 | bss->ifname, drv->phyname); | |
2649 | ||
2650 | if (set_addr && | |
2651 | (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) || | |
2652 | linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
2653 | set_addr))) | |
2654 | return -1; | |
2655 | ||
2656 | if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP) | |
2657 | drv->start_mode_ap = 1; | |
2658 | ||
2659 | if (drv->hostapd || bss->static_ap) | |
2660 | nlmode = NL80211_IFTYPE_AP; | |
2661 | else if (bss->if_dynamic || | |
2662 | nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT) | |
2663 | nlmode = nl80211_get_ifmode(bss); | |
2664 | else | |
2665 | nlmode = NL80211_IFTYPE_STATION; | |
2666 | ||
2667 | if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) { | |
2668 | wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode"); | |
2669 | return -1; | |
2670 | } | |
2671 | ||
2672 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
2673 | nl80211_get_macaddr(bss); | |
2674 | ||
2675 | wpa_driver_nl80211_drv_init_rfkill(drv); | |
2676 | ||
2677 | if (!rfkill_is_blocked(drv->rfkill)) { | |
2678 | int ret = i802_set_iface_flags(bss, 1); | |
2679 | if (ret) { | |
2680 | wpa_printf(MSG_ERROR, "nl80211: Could not set " | |
2681 | "interface '%s' UP", bss->ifname); | |
2682 | return ret; | |
2683 | } | |
2684 | ||
2685 | if (is_p2p_net_interface(nlmode)) | |
2686 | nl80211_disable_11b_rates(bss->drv, | |
2687 | bss->drv->ifindex, 1); | |
2688 | ||
2689 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
2690 | return ret; | |
2691 | } else { | |
2692 | wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable " | |
2693 | "interface '%s' due to rfkill", bss->ifname); | |
2694 | if (nlmode != NL80211_IFTYPE_P2P_DEVICE) | |
2695 | drv->if_disabled = 1; | |
2696 | ||
2697 | send_rfkill_event = 1; | |
2698 | } | |
2699 | ||
2700 | if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE) | |
2701 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, | |
2702 | 1, IF_OPER_DORMANT); | |
2703 | ||
2704 | if (nlmode != NL80211_IFTYPE_P2P_DEVICE) { | |
2705 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
2706 | bss->addr)) | |
2707 | return -1; | |
2708 | os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN); | |
2709 | } | |
2710 | ||
2711 | if (send_rfkill_event) { | |
2712 | eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill, | |
2713 | drv, drv->ctx); | |
2714 | } | |
2715 | ||
2716 | if (drv->vendor_cmd_test_avail) | |
2717 | qca_vendor_test(drv); | |
2718 | ||
2719 | nl80211_init_connect_handle(bss); | |
2720 | ||
2721 | return 0; | |
2722 | } | |
2723 | ||
2724 | ||
2725 | static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss) | |
2726 | { | |
2727 | struct nl_msg *msg; | |
2728 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2729 | ||
2730 | wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)", | |
2731 | drv->ifindex); | |
2732 | nl80211_put_wiphy_data_ap(bss); | |
2733 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON); | |
2734 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
2735 | } | |
2736 | ||
2737 | ||
2738 | /** | |
2739 | * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface | |
2740 | * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init() | |
2741 | * | |
2742 | * Shut down driver interface and processing of driver events. Free | |
2743 | * private data buffer if one was allocated in wpa_driver_nl80211_init(). | |
2744 | */ | |
2745 | static void wpa_driver_nl80211_deinit(struct i802_bss *bss) | |
2746 | { | |
2747 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2748 | unsigned int i; | |
2749 | ||
2750 | wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d", | |
2751 | bss->ifname, drv->disabled_11b_rates); | |
2752 | ||
2753 | bss->in_deinit = 1; | |
2754 | if (drv->data_tx_status) | |
2755 | eloop_unregister_read_sock(drv->eapol_tx_sock); | |
2756 | if (drv->eapol_tx_sock >= 0) | |
2757 | close(drv->eapol_tx_sock); | |
2758 | ||
2759 | if (bss->nl_preq) | |
2760 | wpa_driver_nl80211_probe_req_report(bss, 0); | |
2761 | if (bss->added_if_into_bridge) { | |
2762 | if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, | |
2763 | bss->ifname) < 0) | |
2764 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
2765 | "interface %s from bridge %s: %s", | |
2766 | bss->ifname, bss->brname, strerror(errno)); | |
2767 | } | |
2768 | ||
2769 | if (drv->rtnl_sk) | |
2770 | nl_socket_free(drv->rtnl_sk); | |
2771 | ||
2772 | if (bss->added_bridge) { | |
2773 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname, | |
2774 | 0) < 0) | |
2775 | wpa_printf(MSG_INFO, | |
2776 | "nl80211: Could not set bridge %s down", | |
2777 | bss->brname); | |
2778 | if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) | |
2779 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
2780 | "bridge %s: %s", | |
2781 | bss->brname, strerror(errno)); | |
2782 | } | |
2783 | ||
2784 | nl80211_remove_monitor_interface(drv); | |
2785 | ||
2786 | if (is_ap_interface(drv->nlmode)) | |
2787 | wpa_driver_nl80211_del_beacon(bss); | |
2788 | ||
2789 | if (drv->eapol_sock >= 0) { | |
2790 | eloop_unregister_read_sock(drv->eapol_sock); | |
2791 | close(drv->eapol_sock); | |
2792 | } | |
2793 | ||
2794 | if (drv->if_indices != drv->default_if_indices) | |
2795 | os_free(drv->if_indices); | |
2796 | ||
2797 | if (drv->disabled_11b_rates) | |
2798 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); | |
2799 | ||
2800 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0, | |
2801 | IF_OPER_UP); | |
2802 | eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx); | |
2803 | rfkill_deinit(drv->rfkill); | |
2804 | ||
2805 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); | |
2806 | ||
2807 | if (!drv->start_iface_up) | |
2808 | (void) i802_set_iface_flags(bss, 0); | |
2809 | ||
2810 | if (drv->addr_changed) { | |
2811 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, | |
2812 | 0) < 0) { | |
2813 | wpa_printf(MSG_DEBUG, | |
2814 | "nl80211: Could not set interface down to restore permanent MAC address"); | |
2815 | } | |
2816 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
2817 | drv->perm_addr) < 0) { | |
2818 | wpa_printf(MSG_DEBUG, | |
2819 | "nl80211: Could not restore permanent MAC address"); | |
2820 | } | |
2821 | } | |
2822 | ||
2823 | if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) { | |
2824 | if (!drv->hostapd || !drv->start_mode_ap) | |
2825 | wpa_driver_nl80211_set_mode(bss, | |
2826 | NL80211_IFTYPE_STATION); | |
2827 | nl80211_mgmt_unsubscribe(bss, "deinit"); | |
2828 | } else { | |
2829 | nl80211_mgmt_unsubscribe(bss, "deinit"); | |
2830 | nl80211_del_p2pdev(bss); | |
2831 | } | |
2832 | ||
2833 | if (bss->nl_connect) | |
2834 | nl80211_destroy_eloop_handle(&bss->nl_connect, 1); | |
2835 | ||
2836 | nl80211_destroy_bss(drv->first_bss); | |
2837 | ||
2838 | os_free(drv->filter_ssids); | |
2839 | ||
2840 | os_free(drv->auth_ie); | |
2841 | ||
2842 | if (drv->in_interface_list) | |
2843 | dl_list_del(&drv->list); | |
2844 | ||
2845 | os_free(drv->extended_capa); | |
2846 | os_free(drv->extended_capa_mask); | |
2847 | for (i = 0; i < drv->num_iface_ext_capa; i++) { | |
2848 | os_free(drv->iface_ext_capa[i].ext_capa); | |
2849 | os_free(drv->iface_ext_capa[i].ext_capa_mask); | |
2850 | } | |
2851 | os_free(drv->first_bss); | |
2852 | os_free(drv); | |
2853 | } | |
2854 | ||
2855 | ||
2856 | static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len) | |
2857 | { | |
2858 | switch (alg) { | |
2859 | case WPA_ALG_WEP: | |
2860 | if (key_len == 5) | |
2861 | return RSN_CIPHER_SUITE_WEP40; | |
2862 | return RSN_CIPHER_SUITE_WEP104; | |
2863 | case WPA_ALG_TKIP: | |
2864 | return RSN_CIPHER_SUITE_TKIP; | |
2865 | case WPA_ALG_CCMP: | |
2866 | return RSN_CIPHER_SUITE_CCMP; | |
2867 | case WPA_ALG_GCMP: | |
2868 | return RSN_CIPHER_SUITE_GCMP; | |
2869 | case WPA_ALG_CCMP_256: | |
2870 | return RSN_CIPHER_SUITE_CCMP_256; | |
2871 | case WPA_ALG_GCMP_256: | |
2872 | return RSN_CIPHER_SUITE_GCMP_256; | |
2873 | case WPA_ALG_IGTK: | |
2874 | return RSN_CIPHER_SUITE_AES_128_CMAC; | |
2875 | case WPA_ALG_BIP_GMAC_128: | |
2876 | return RSN_CIPHER_SUITE_BIP_GMAC_128; | |
2877 | case WPA_ALG_BIP_GMAC_256: | |
2878 | return RSN_CIPHER_SUITE_BIP_GMAC_256; | |
2879 | case WPA_ALG_BIP_CMAC_256: | |
2880 | return RSN_CIPHER_SUITE_BIP_CMAC_256; | |
2881 | case WPA_ALG_SMS4: | |
2882 | return RSN_CIPHER_SUITE_SMS4; | |
2883 | case WPA_ALG_KRK: | |
2884 | return RSN_CIPHER_SUITE_KRK; | |
2885 | case WPA_ALG_NONE: | |
2886 | wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d", | |
2887 | alg); | |
2888 | return 0; | |
2889 | } | |
2890 | ||
2891 | wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d", | |
2892 | alg); | |
2893 | return 0; | |
2894 | } | |
2895 | ||
2896 | ||
2897 | static u32 wpa_cipher_to_cipher_suite(unsigned int cipher) | |
2898 | { | |
2899 | switch (cipher) { | |
2900 | case WPA_CIPHER_CCMP_256: | |
2901 | return RSN_CIPHER_SUITE_CCMP_256; | |
2902 | case WPA_CIPHER_GCMP_256: | |
2903 | return RSN_CIPHER_SUITE_GCMP_256; | |
2904 | case WPA_CIPHER_CCMP: | |
2905 | return RSN_CIPHER_SUITE_CCMP; | |
2906 | case WPA_CIPHER_GCMP: | |
2907 | return RSN_CIPHER_SUITE_GCMP; | |
2908 | case WPA_CIPHER_TKIP: | |
2909 | return RSN_CIPHER_SUITE_TKIP; | |
2910 | case WPA_CIPHER_WEP104: | |
2911 | return RSN_CIPHER_SUITE_WEP104; | |
2912 | case WPA_CIPHER_WEP40: | |
2913 | return RSN_CIPHER_SUITE_WEP40; | |
2914 | case WPA_CIPHER_GTK_NOT_USED: | |
2915 | return RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED; | |
2916 | } | |
2917 | ||
2918 | return 0; | |
2919 | } | |
2920 | ||
2921 | ||
2922 | static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[], | |
2923 | int max_suites) | |
2924 | { | |
2925 | int num_suites = 0; | |
2926 | ||
2927 | if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256) | |
2928 | suites[num_suites++] = RSN_CIPHER_SUITE_CCMP_256; | |
2929 | if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256) | |
2930 | suites[num_suites++] = RSN_CIPHER_SUITE_GCMP_256; | |
2931 | if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP) | |
2932 | suites[num_suites++] = RSN_CIPHER_SUITE_CCMP; | |
2933 | if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP) | |
2934 | suites[num_suites++] = RSN_CIPHER_SUITE_GCMP; | |
2935 | if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP) | |
2936 | suites[num_suites++] = RSN_CIPHER_SUITE_TKIP; | |
2937 | if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104) | |
2938 | suites[num_suites++] = RSN_CIPHER_SUITE_WEP104; | |
2939 | if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40) | |
2940 | suites[num_suites++] = RSN_CIPHER_SUITE_WEP40; | |
2941 | ||
2942 | return num_suites; | |
2943 | } | |
2944 | ||
2945 | ||
2946 | static int wpa_key_mgmt_to_suites(unsigned int key_mgmt_suites, u32 suites[], | |
2947 | int max_suites) | |
2948 | { | |
2949 | int num_suites = 0; | |
2950 | ||
2951 | #define __AKM(a, b) \ | |
2952 | if (num_suites < max_suites && \ | |
2953 | (key_mgmt_suites & (WPA_KEY_MGMT_ ## a))) \ | |
2954 | suites[num_suites++] = (RSN_AUTH_KEY_MGMT_ ## b) | |
2955 | __AKM(IEEE8021X, UNSPEC_802_1X); | |
2956 | __AKM(PSK, PSK_OVER_802_1X); | |
2957 | __AKM(FT_IEEE8021X, FT_802_1X); | |
2958 | __AKM(FT_PSK, FT_PSK); | |
2959 | __AKM(IEEE8021X_SHA256, 802_1X_SHA256); | |
2960 | __AKM(PSK_SHA256, PSK_SHA256); | |
2961 | __AKM(SAE, SAE); | |
2962 | __AKM(FT_SAE, FT_SAE); | |
2963 | __AKM(CCKM, CCKM); | |
2964 | __AKM(OSEN, OSEN); | |
2965 | __AKM(IEEE8021X_SUITE_B, 802_1X_SUITE_B); | |
2966 | __AKM(IEEE8021X_SUITE_B_192, 802_1X_SUITE_B_192); | |
2967 | __AKM(FILS_SHA256, FILS_SHA256); | |
2968 | __AKM(FILS_SHA384, FILS_SHA384); | |
2969 | __AKM(FT_FILS_SHA256, FT_FILS_SHA256); | |
2970 | __AKM(FT_FILS_SHA384, FT_FILS_SHA384); | |
2971 | __AKM(OWE, OWE); | |
2972 | __AKM(DPP, DPP); | |
2973 | __AKM(FT_IEEE8021X_SHA384, FT_802_1X_SHA384); | |
2974 | #undef __AKM | |
2975 | ||
2976 | return num_suites; | |
2977 | } | |
2978 | ||
2979 | ||
2980 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
2981 | static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv, | |
2982 | const u8 *key, size_t key_len) | |
2983 | { | |
2984 | struct nl_msg *msg; | |
2985 | int ret; | |
2986 | ||
2987 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) | |
2988 | return 0; | |
2989 | ||
2990 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
2991 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
2992 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
2993 | QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) || | |
2994 | nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) { | |
2995 | nl80211_nlmsg_clear(msg); | |
2996 | nlmsg_free(msg); | |
2997 | return -1; | |
2998 | } | |
2999 | ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1); | |
3000 | if (ret) { | |
3001 | wpa_printf(MSG_DEBUG, | |
3002 | "nl80211: Key management set key failed: ret=%d (%s)", | |
3003 | ret, strerror(-ret)); | |
3004 | } | |
3005 | ||
3006 | return ret; | |
3007 | } | |
3008 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
3009 | ||
3010 | ||
3011 | static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv, | |
3012 | const u8 *key, size_t key_len, | |
3013 | const u8 *addr) | |
3014 | { | |
3015 | struct nl_msg *msg = NULL; | |
3016 | int ret; | |
3017 | ||
3018 | /* | |
3019 | * If the authenticator address is not set, assume it is | |
3020 | * the current BSSID. | |
3021 | */ | |
3022 | if (!addr && drv->associated) | |
3023 | addr = drv->bssid; | |
3024 | else if (!addr) | |
3025 | return -1; | |
3026 | ||
3027 | wpa_printf(MSG_DEBUG, "nl80211: Set PMK to the driver for " MACSTR, | |
3028 | MAC2STR(addr)); | |
3029 | wpa_hexdump_key(MSG_DEBUG, "nl80211: PMK", key, key_len); | |
3030 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_PMK); | |
3031 | if (!msg || | |
3032 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
3033 | nla_put(msg, NL80211_ATTR_PMK, key_len, key)) { | |
3034 | nl80211_nlmsg_clear(msg); | |
3035 | nlmsg_free(msg); | |
3036 | return -ENOBUFS; | |
3037 | } | |
3038 | ||
3039 | ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1); | |
3040 | if (ret) { | |
3041 | wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)", | |
3042 | ret, strerror(-ret)); | |
3043 | } | |
3044 | ||
3045 | return ret; | |
3046 | } | |
3047 | ||
3048 | ||
3049 | static int wpa_driver_nl80211_set_key(struct i802_bss *bss, | |
3050 | struct wpa_driver_set_key_params *params) | |
3051 | { | |
3052 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3053 | int ifindex; | |
3054 | struct nl_msg *msg; | |
3055 | struct nl_msg *key_msg; | |
3056 | int ret; | |
3057 | int skip_set_key = 1; | |
3058 | const char *ifname = params->ifname; | |
3059 | enum wpa_alg alg = params->alg; | |
3060 | const u8 *addr = params->addr; | |
3061 | int key_idx = params->key_idx; | |
3062 | int set_tx = params->set_tx; | |
3063 | const u8 *seq = params->seq; | |
3064 | size_t seq_len = params->seq_len; | |
3065 | const u8 *key = params->key; | |
3066 | size_t key_len = params->key_len; | |
3067 | int vlan_id = params->vlan_id; | |
3068 | enum key_flag key_flag = params->key_flag; | |
3069 | ||
3070 | /* Ignore for P2P Device */ | |
3071 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
3072 | return 0; | |
3073 | ||
3074 | ifindex = if_nametoindex(ifname); | |
3075 | wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d " | |
3076 | "set_tx=%d seq_len=%lu key_len=%lu key_flag=0x%x", | |
3077 | __func__, ifindex, ifname, alg, addr, key_idx, set_tx, | |
3078 | (unsigned long) seq_len, (unsigned long) key_len, key_flag); | |
3079 | ||
3080 | if (check_key_flag(key_flag)) { | |
3081 | wpa_printf(MSG_DEBUG, "%s: invalid key_flag", __func__); | |
3082 | return -EINVAL; | |
3083 | } | |
3084 | ||
3085 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
3086 | if ((key_flag & KEY_FLAG_PMK) && | |
3087 | (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) { | |
3088 | wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key", | |
3089 | __func__); | |
3090 | ret = issue_key_mgmt_set_key(drv, key, key_len); | |
3091 | return ret; | |
3092 | } | |
3093 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
3094 | ||
3095 | if (key_flag & KEY_FLAG_PMK) { | |
3096 | if (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X) | |
3097 | return nl80211_set_pmk(drv, key, key_len, addr); | |
3098 | /* The driver does not have any offload mechanism for PMK, so | |
3099 | * there is no need to configure this key. */ | |
3100 | return 0; | |
3101 | } | |
3102 | ||
3103 | ret = -ENOBUFS; | |
3104 | key_msg = nlmsg_alloc(); | |
3105 | if (!key_msg) | |
3106 | return ret; | |
3107 | ||
3108 | if ((key_flag & KEY_FLAG_PAIRWISE_MASK) == | |
3109 | KEY_FLAG_PAIRWISE_RX_TX_MODIFY) { | |
3110 | wpa_printf(MSG_DEBUG, | |
3111 | "nl80211: SET_KEY (pairwise RX/TX modify)"); | |
3112 | msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY); | |
3113 | if (!msg) | |
3114 | goto fail2; | |
3115 | } else if (alg == WPA_ALG_NONE && (key_flag & KEY_FLAG_RX_TX)) { | |
3116 | wpa_printf(MSG_DEBUG, "%s: invalid key_flag to delete key", | |
3117 | __func__); | |
3118 | ret = -EINVAL; | |
3119 | goto fail2; | |
3120 | } else if (alg == WPA_ALG_NONE) { | |
3121 | wpa_printf(MSG_DEBUG, "nl80211: DEL_KEY"); | |
3122 | msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY); | |
3123 | if (!msg) | |
3124 | goto fail2; | |
3125 | } else { | |
3126 | u32 suite; | |
3127 | ||
3128 | suite = wpa_alg_to_cipher_suite(alg, key_len); | |
3129 | if (!suite) { | |
3130 | ret = -EINVAL; | |
3131 | goto fail2; | |
3132 | } | |
3133 | wpa_printf(MSG_DEBUG, "nl80211: NEW_KEY"); | |
3134 | msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY); | |
3135 | if (!msg) | |
3136 | goto fail2; | |
3137 | if (nla_put(key_msg, NL80211_KEY_DATA, key_len, key) || | |
3138 | nla_put_u32(key_msg, NL80211_KEY_CIPHER, suite)) | |
3139 | goto fail; | |
3140 | wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len); | |
3141 | ||
3142 | if (seq && seq_len) { | |
3143 | if (nla_put(key_msg, NL80211_KEY_SEQ, seq_len, seq)) | |
3144 | goto fail; | |
3145 | wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", | |
3146 | seq, seq_len); | |
3147 | } | |
3148 | } | |
3149 | ||
3150 | if (addr && !is_broadcast_ether_addr(addr)) { | |
3151 | wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr)); | |
3152 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
3153 | goto fail; | |
3154 | ||
3155 | if ((key_flag & KEY_FLAG_PAIRWISE_MASK) == | |
3156 | KEY_FLAG_PAIRWISE_RX || | |
3157 | (key_flag & KEY_FLAG_PAIRWISE_MASK) == | |
3158 | KEY_FLAG_PAIRWISE_RX_TX_MODIFY) { | |
3159 | if (nla_put_u8(key_msg, NL80211_KEY_MODE, | |
3160 | key_flag == KEY_FLAG_PAIRWISE_RX ? | |
3161 | NL80211_KEY_NO_TX : NL80211_KEY_SET_TX)) | |
3162 | goto fail; | |
3163 | } else if ((key_flag & KEY_FLAG_GROUP_MASK) == | |
3164 | KEY_FLAG_GROUP_RX) { | |
3165 | wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK"); | |
3166 | if (nla_put_u32(key_msg, NL80211_KEY_TYPE, | |
3167 | NL80211_KEYTYPE_GROUP)) | |
3168 | goto fail; | |
3169 | } else if (!(key_flag & KEY_FLAG_PAIRWISE)) { | |
3170 | wpa_printf(MSG_DEBUG, | |
3171 | " key_flag missing PAIRWISE when setting a pairwise key"); | |
3172 | ret = -EINVAL; | |
3173 | goto fail; | |
3174 | } else if (alg == WPA_ALG_WEP && | |
3175 | (key_flag & KEY_FLAG_RX_TX) == KEY_FLAG_RX_TX) { | |
3176 | wpa_printf(MSG_DEBUG, " unicast WEP key"); | |
3177 | skip_set_key = 0; | |
3178 | } else { | |
3179 | wpa_printf(MSG_DEBUG, " pairwise key"); | |
3180 | } | |
3181 | } else if ((key_flag & KEY_FLAG_PAIRWISE) || | |
3182 | !(key_flag & KEY_FLAG_GROUP)) { | |
3183 | wpa_printf(MSG_DEBUG, | |
3184 | " invalid key_flag for a broadcast key"); | |
3185 | ret = -EINVAL; | |
3186 | goto fail; | |
3187 | } else { | |
3188 | wpa_printf(MSG_DEBUG, " broadcast key"); | |
3189 | if (key_flag & KEY_FLAG_DEFAULT) | |
3190 | skip_set_key = 0; | |
3191 | } | |
3192 | if (nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) || | |
3193 | nla_put_nested(msg, NL80211_ATTR_KEY, key_msg)) | |
3194 | goto fail; | |
3195 | nl80211_nlmsg_clear(key_msg); | |
3196 | nlmsg_free(key_msg); | |
3197 | key_msg = NULL; | |
3198 | ||
3199 | if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) { | |
3200 | wpa_printf(MSG_DEBUG, "nl80211: VLAN ID %d", vlan_id); | |
3201 | if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id)) | |
3202 | goto fail; | |
3203 | } | |
3204 | ||
3205 | ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL); | |
3206 | if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE) | |
3207 | ret = 0; | |
3208 | if (ret) | |
3209 | wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s", | |
3210 | ret, strerror(-ret)); | |
3211 | ||
3212 | /* | |
3213 | * If we failed or don't need to set the key as default (below), | |
3214 | * we're done here. | |
3215 | */ | |
3216 | if (ret || skip_set_key) | |
3217 | return ret; | |
3218 | wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_SET_KEY - default key"); | |
3219 | ||
3220 | ret = -ENOBUFS; | |
3221 | key_msg = nlmsg_alloc(); | |
3222 | if (!key_msg) | |
3223 | return ret; | |
3224 | ||
3225 | msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY); | |
3226 | if (!msg) | |
3227 | goto fail2; | |
3228 | if (!key_msg || | |
3229 | nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) || | |
3230 | nla_put_flag(key_msg, (alg == WPA_ALG_IGTK || | |
3231 | alg == WPA_ALG_BIP_GMAC_128 || | |
3232 | alg == WPA_ALG_BIP_GMAC_256 || | |
3233 | alg == WPA_ALG_BIP_CMAC_256) ? | |
3234 | (key_idx == 6 || key_idx == 7 ? | |
3235 | NL80211_KEY_DEFAULT_BEACON : | |
3236 | NL80211_KEY_DEFAULT_MGMT) : | |
3237 | NL80211_KEY_DEFAULT)) | |
3238 | goto fail; | |
3239 | if (addr && is_broadcast_ether_addr(addr)) { | |
3240 | struct nlattr *types; | |
3241 | ||
3242 | types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES); | |
3243 | if (!types || | |
3244 | nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST)) | |
3245 | goto fail; | |
3246 | nla_nest_end(key_msg, types); | |
3247 | } else if (addr) { | |
3248 | struct nlattr *types; | |
3249 | ||
3250 | types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES); | |
3251 | if (!types || | |
3252 | nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_UNICAST)) | |
3253 | goto fail; | |
3254 | nla_nest_end(key_msg, types); | |
3255 | } | |
3256 | ||
3257 | if (nla_put_nested(msg, NL80211_ATTR_KEY, key_msg)) | |
3258 | goto fail; | |
3259 | nl80211_nlmsg_clear(key_msg); | |
3260 | nlmsg_free(key_msg); | |
3261 | key_msg = NULL; | |
3262 | ||
3263 | if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) { | |
3264 | wpa_printf(MSG_DEBUG, "nl80211: set_key default - VLAN ID %d", | |
3265 | vlan_id); | |
3266 | if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id)) | |
3267 | goto fail; | |
3268 | } | |
3269 | ||
3270 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3271 | if (ret) | |
3272 | wpa_printf(MSG_DEBUG, | |
3273 | "nl80211: set_key default failed; err=%d %s", | |
3274 | ret, strerror(-ret)); | |
3275 | return ret; | |
3276 | ||
3277 | fail: | |
3278 | nl80211_nlmsg_clear(msg); | |
3279 | nlmsg_free(msg); | |
3280 | fail2: | |
3281 | nl80211_nlmsg_clear(key_msg); | |
3282 | nlmsg_free(key_msg); | |
3283 | return ret; | |
3284 | } | |
3285 | ||
3286 | ||
3287 | static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg, | |
3288 | int key_idx, int defkey, | |
3289 | const u8 *seq, size_t seq_len, | |
3290 | const u8 *key, size_t key_len) | |
3291 | { | |
3292 | struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY); | |
3293 | u32 suite; | |
3294 | ||
3295 | if (!key_attr) | |
3296 | return -1; | |
3297 | ||
3298 | suite = wpa_alg_to_cipher_suite(alg, key_len); | |
3299 | if (!suite) | |
3300 | return -1; | |
3301 | ||
3302 | if (defkey && alg == WPA_ALG_IGTK) { | |
3303 | if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT)) | |
3304 | return -1; | |
3305 | } else if (defkey) { | |
3306 | if (nla_put_flag(msg, NL80211_KEY_DEFAULT)) | |
3307 | return -1; | |
3308 | } | |
3309 | ||
3310 | if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) || | |
3311 | nla_put_u32(msg, NL80211_KEY_CIPHER, suite) || | |
3312 | (seq && seq_len && | |
3313 | nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) || | |
3314 | nla_put(msg, NL80211_KEY_DATA, key_len, key)) | |
3315 | return -1; | |
3316 | ||
3317 | nla_nest_end(msg, key_attr); | |
3318 | ||
3319 | return 0; | |
3320 | } | |
3321 | ||
3322 | ||
3323 | static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params, | |
3324 | struct nl_msg *msg) | |
3325 | { | |
3326 | int i, privacy = 0; | |
3327 | struct nlattr *nl_keys, *nl_key; | |
3328 | ||
3329 | for (i = 0; i < 4; i++) { | |
3330 | if (!params->wep_key[i]) | |
3331 | continue; | |
3332 | privacy = 1; | |
3333 | break; | |
3334 | } | |
3335 | if (params->wps == WPS_MODE_PRIVACY) | |
3336 | privacy = 1; | |
3337 | if (params->pairwise_suite && | |
3338 | params->pairwise_suite != WPA_CIPHER_NONE) | |
3339 | privacy = 1; | |
3340 | ||
3341 | if (!privacy) | |
3342 | return 0; | |
3343 | ||
3344 | if (nla_put_flag(msg, NL80211_ATTR_PRIVACY)) | |
3345 | return -ENOBUFS; | |
3346 | ||
3347 | nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS); | |
3348 | if (!nl_keys) | |
3349 | return -ENOBUFS; | |
3350 | ||
3351 | for (i = 0; i < 4; i++) { | |
3352 | if (!params->wep_key[i]) | |
3353 | continue; | |
3354 | ||
3355 | nl_key = nla_nest_start(msg, i); | |
3356 | if (!nl_key || | |
3357 | nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i], | |
3358 | params->wep_key[i]) || | |
3359 | nla_put_u32(msg, NL80211_KEY_CIPHER, | |
3360 | params->wep_key_len[i] == 5 ? | |
3361 | RSN_CIPHER_SUITE_WEP40 : | |
3362 | RSN_CIPHER_SUITE_WEP104) || | |
3363 | nla_put_u8(msg, NL80211_KEY_IDX, i) || | |
3364 | (i == params->wep_tx_keyidx && | |
3365 | nla_put_flag(msg, NL80211_KEY_DEFAULT))) | |
3366 | return -ENOBUFS; | |
3367 | ||
3368 | nla_nest_end(msg, nl_key); | |
3369 | } | |
3370 | nla_nest_end(msg, nl_keys); | |
3371 | ||
3372 | return 0; | |
3373 | } | |
3374 | ||
3375 | ||
3376 | int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, | |
3377 | const u8 *addr, int cmd, u16 reason_code, | |
3378 | int local_state_change, | |
3379 | struct nl_sock *nl_connect) | |
3380 | { | |
3381 | int ret; | |
3382 | struct nl_msg *msg; | |
3383 | ||
3384 | if (!(msg = nl80211_drv_msg(drv, 0, cmd)) || | |
3385 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) || | |
3386 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
3387 | (local_state_change && | |
3388 | nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) { | |
3389 | nlmsg_free(msg); | |
3390 | return -1; | |
3391 | } | |
3392 | ||
3393 | if (nl_connect) | |
3394 | ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL); | |
3395 | else | |
3396 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3397 | if (ret) { | |
3398 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
3399 | "nl80211: MLME command failed: reason=%u ret=%d (%s)", | |
3400 | reason_code, ret, strerror(-ret)); | |
3401 | } | |
3402 | return ret; | |
3403 | } | |
3404 | ||
3405 | ||
3406 | static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv, | |
3407 | u16 reason_code, | |
3408 | struct nl_sock *nl_connect) | |
3409 | { | |
3410 | int ret; | |
3411 | int drv_associated = drv->associated; | |
3412 | ||
3413 | wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code); | |
3414 | nl80211_mark_disconnected(drv); | |
3415 | /* Disconnect command doesn't need BSSID - it uses cached value */ | |
3416 | ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT, | |
3417 | reason_code, 0, nl_connect); | |
3418 | /* | |
3419 | * For locally generated disconnect, supplicant already generates a | |
3420 | * DEAUTH event, so ignore the event from NL80211. | |
3421 | */ | |
3422 | drv->ignore_next_local_disconnect = drv_associated && (ret == 0); | |
3423 | ||
3424 | return ret; | |
3425 | } | |
3426 | ||
3427 | ||
3428 | static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss, | |
3429 | const u8 *addr, u16 reason_code) | |
3430 | { | |
3431 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3432 | int ret; | |
3433 | int drv_associated = drv->associated; | |
3434 | ||
3435 | if (drv->nlmode == NL80211_IFTYPE_ADHOC) { | |
3436 | nl80211_mark_disconnected(drv); | |
3437 | return nl80211_leave_ibss(drv, 1); | |
3438 | } | |
3439 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) { | |
3440 | struct nl_sock *nl_connect = NULL; | |
3441 | ||
3442 | if (bss->use_nl_connect) | |
3443 | nl_connect = bss->nl_connect; | |
3444 | return wpa_driver_nl80211_disconnect(drv, reason_code, | |
3445 | nl_connect); | |
3446 | } | |
3447 | wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)", | |
3448 | __func__, MAC2STR(addr), reason_code); | |
3449 | nl80211_mark_disconnected(drv); | |
3450 | ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE, | |
3451 | reason_code, 0, NULL); | |
3452 | /* | |
3453 | * For locally generated deauthenticate, supplicant already generates a | |
3454 | * DEAUTH event, so ignore the event from NL80211. | |
3455 | */ | |
3456 | drv->ignore_next_local_deauth = drv_associated && (ret == 0); | |
3457 | ||
3458 | return ret; | |
3459 | } | |
3460 | ||
3461 | ||
3462 | static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv, | |
3463 | struct wpa_driver_auth_params *params) | |
3464 | { | |
3465 | int i; | |
3466 | ||
3467 | drv->auth_freq = params->freq; | |
3468 | drv->auth_alg = params->auth_alg; | |
3469 | drv->auth_wep_tx_keyidx = params->wep_tx_keyidx; | |
3470 | drv->auth_local_state_change = params->local_state_change; | |
3471 | drv->auth_p2p = params->p2p; | |
3472 | ||
3473 | if (params->bssid) | |
3474 | os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN); | |
3475 | else | |
3476 | os_memset(drv->auth_bssid_, 0, ETH_ALEN); | |
3477 | ||
3478 | if (params->ssid) { | |
3479 | os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len); | |
3480 | drv->auth_ssid_len = params->ssid_len; | |
3481 | } else | |
3482 | drv->auth_ssid_len = 0; | |
3483 | ||
3484 | ||
3485 | os_free(drv->auth_ie); | |
3486 | drv->auth_ie = NULL; | |
3487 | drv->auth_ie_len = 0; | |
3488 | if (params->ie) { | |
3489 | drv->auth_ie = os_malloc(params->ie_len); | |
3490 | if (drv->auth_ie) { | |
3491 | os_memcpy(drv->auth_ie, params->ie, params->ie_len); | |
3492 | drv->auth_ie_len = params->ie_len; | |
3493 | } | |
3494 | } | |
3495 | ||
3496 | for (i = 0; i < 4; i++) { | |
3497 | if (params->wep_key[i] && params->wep_key_len[i] && | |
3498 | params->wep_key_len[i] <= 16) { | |
3499 | os_memcpy(drv->auth_wep_key[i], params->wep_key[i], | |
3500 | params->wep_key_len[i]); | |
3501 | drv->auth_wep_key_len[i] = params->wep_key_len[i]; | |
3502 | } else | |
3503 | drv->auth_wep_key_len[i] = 0; | |
3504 | } | |
3505 | } | |
3506 | ||
3507 | ||
3508 | static void nl80211_unmask_11b_rates(struct i802_bss *bss) | |
3509 | { | |
3510 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3511 | ||
3512 | if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates) | |
3513 | return; | |
3514 | ||
3515 | /* | |
3516 | * Looks like we failed to unmask 11b rates previously. This could | |
3517 | * happen, e.g., if the interface was down at the point in time when a | |
3518 | * P2P group was terminated. | |
3519 | */ | |
3520 | wpa_printf(MSG_DEBUG, | |
3521 | "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them", | |
3522 | bss->ifname); | |
3523 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); | |
3524 | } | |
3525 | ||
3526 | ||
3527 | static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg) | |
3528 | { | |
3529 | if (wpa_auth_alg & WPA_AUTH_ALG_OPEN) | |
3530 | return NL80211_AUTHTYPE_OPEN_SYSTEM; | |
3531 | if (wpa_auth_alg & WPA_AUTH_ALG_SHARED) | |
3532 | return NL80211_AUTHTYPE_SHARED_KEY; | |
3533 | if (wpa_auth_alg & WPA_AUTH_ALG_LEAP) | |
3534 | return NL80211_AUTHTYPE_NETWORK_EAP; | |
3535 | if (wpa_auth_alg & WPA_AUTH_ALG_FT) | |
3536 | return NL80211_AUTHTYPE_FT; | |
3537 | if (wpa_auth_alg & WPA_AUTH_ALG_SAE) | |
3538 | return NL80211_AUTHTYPE_SAE; | |
3539 | if (wpa_auth_alg & WPA_AUTH_ALG_FILS) | |
3540 | return NL80211_AUTHTYPE_FILS_SK; | |
3541 | if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS) | |
3542 | return NL80211_AUTHTYPE_FILS_SK_PFS; | |
3543 | ||
3544 | return NL80211_AUTHTYPE_MAX; | |
3545 | } | |
3546 | ||
3547 | ||
3548 | static int wpa_driver_nl80211_authenticate( | |
3549 | struct i802_bss *bss, struct wpa_driver_auth_params *params) | |
3550 | { | |
3551 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3552 | int ret = -1, i; | |
3553 | struct nl_msg *msg; | |
3554 | enum nl80211_auth_type type; | |
3555 | enum nl80211_iftype nlmode; | |
3556 | int count = 0; | |
3557 | int is_retry; | |
3558 | struct wpa_driver_set_key_params p; | |
3559 | ||
3560 | nl80211_unmask_11b_rates(bss); | |
3561 | ||
3562 | is_retry = drv->retry_auth; | |
3563 | drv->retry_auth = 0; | |
3564 | drv->ignore_deauth_event = 0; | |
3565 | ||
3566 | nl80211_mark_disconnected(drv); | |
3567 | os_memset(drv->auth_bssid, 0, ETH_ALEN); | |
3568 | if (params->bssid) | |
3569 | os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN); | |
3570 | else | |
3571 | os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN); | |
3572 | /* FIX: IBSS mode */ | |
3573 | nlmode = params->p2p ? | |
3574 | NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; | |
3575 | if (drv->nlmode != nlmode && | |
3576 | wpa_driver_nl80211_set_mode(bss, nlmode) < 0) | |
3577 | return -1; | |
3578 | ||
3579 | retry: | |
3580 | wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)", | |
3581 | drv->ifindex); | |
3582 | ||
3583 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE); | |
3584 | if (!msg) | |
3585 | goto fail; | |
3586 | ||
3587 | os_memset(&p, 0, sizeof(p)); | |
3588 | p.ifname = bss->ifname; | |
3589 | p.alg = WPA_ALG_WEP; | |
3590 | for (i = 0; i < 4; i++) { | |
3591 | if (!params->wep_key[i]) | |
3592 | continue; | |
3593 | p.key_idx = i; | |
3594 | p.set_tx = i == params->wep_tx_keyidx; | |
3595 | p.key = params->wep_key[i]; | |
3596 | p.key_len = params->wep_key_len[i]; | |
3597 | p.key_flag = i == params->wep_tx_keyidx ? | |
3598 | KEY_FLAG_GROUP_RX_TX_DEFAULT : | |
3599 | KEY_FLAG_GROUP_RX_TX; | |
3600 | wpa_driver_nl80211_set_key(bss, &p); | |
3601 | if (params->wep_tx_keyidx != i) | |
3602 | continue; | |
3603 | if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0, | |
3604 | params->wep_key[i], params->wep_key_len[i])) | |
3605 | goto fail; | |
3606 | } | |
3607 | ||
3608 | if (params->bssid) { | |
3609 | wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, | |
3610 | MAC2STR(params->bssid)); | |
3611 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) | |
3612 | goto fail; | |
3613 | } | |
3614 | if (params->freq) { | |
3615 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); | |
3616 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq)) | |
3617 | goto fail; | |
3618 | } | |
3619 | if (params->ssid) { | |
3620 | wpa_printf(MSG_DEBUG, " * SSID=%s", | |
3621 | wpa_ssid_txt(params->ssid, params->ssid_len)); | |
3622 | if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, | |
3623 | params->ssid)) | |
3624 | goto fail; | |
3625 | } | |
3626 | wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len); | |
3627 | if (params->ie && | |
3628 | nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie)) | |
3629 | goto fail; | |
3630 | if (params->auth_data) { | |
3631 | wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data, | |
3632 | params->auth_data_len); | |
3633 | if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len, | |
3634 | params->auth_data)) | |
3635 | goto fail; | |
3636 | } | |
3637 | type = get_nl_auth_type(params->auth_alg); | |
3638 | wpa_printf(MSG_DEBUG, " * Auth Type %d", type); | |
3639 | if (type == NL80211_AUTHTYPE_MAX || | |
3640 | nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type)) | |
3641 | goto fail; | |
3642 | if (params->local_state_change) { | |
3643 | wpa_printf(MSG_DEBUG, " * Local state change only"); | |
3644 | if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE)) | |
3645 | goto fail; | |
3646 | } | |
3647 | ||
3648 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3649 | msg = NULL; | |
3650 | if (ret) { | |
3651 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
3652 | "nl80211: MLME command failed (auth): count=%d ret=%d (%s)", | |
3653 | count, ret, strerror(-ret)); | |
3654 | count++; | |
3655 | if ((ret == -EALREADY || ret == -EEXIST) && count == 1 && | |
3656 | params->bssid && !params->local_state_change) { | |
3657 | /* | |
3658 | * mac80211 does not currently accept new | |
3659 | * authentication if we are already authenticated. As a | |
3660 | * workaround, force deauthentication and try again. | |
3661 | */ | |
3662 | wpa_printf(MSG_DEBUG, "nl80211: Retry authentication " | |
3663 | "after forced deauthentication"); | |
3664 | drv->ignore_deauth_event = 1; | |
3665 | wpa_driver_nl80211_deauthenticate( | |
3666 | bss, params->bssid, | |
3667 | WLAN_REASON_PREV_AUTH_NOT_VALID); | |
3668 | nlmsg_free(msg); | |
3669 | goto retry; | |
3670 | } | |
3671 | ||
3672 | if (ret == -ENOENT && params->freq && !is_retry) { | |
3673 | /* | |
3674 | * cfg80211 has likely expired the BSS entry even | |
3675 | * though it was previously available in our internal | |
3676 | * BSS table. To recover quickly, start a single | |
3677 | * channel scan on the specified channel. | |
3678 | */ | |
3679 | struct wpa_driver_scan_params scan; | |
3680 | int freqs[2]; | |
3681 | ||
3682 | os_memset(&scan, 0, sizeof(scan)); | |
3683 | scan.num_ssids = 1; | |
3684 | if (params->ssid) { | |
3685 | scan.ssids[0].ssid = params->ssid; | |
3686 | scan.ssids[0].ssid_len = params->ssid_len; | |
3687 | } | |
3688 | freqs[0] = params->freq; | |
3689 | freqs[1] = 0; | |
3690 | scan.freqs = freqs; | |
3691 | wpa_printf(MSG_DEBUG, "nl80211: Trigger single " | |
3692 | "channel scan to refresh cfg80211 BSS " | |
3693 | "entry"); | |
3694 | ret = wpa_driver_nl80211_scan(bss, &scan); | |
3695 | if (ret == 0) { | |
3696 | nl80211_copy_auth_params(drv, params); | |
3697 | drv->scan_for_auth = 1; | |
3698 | } | |
3699 | } else if (is_retry) { | |
3700 | /* | |
3701 | * Need to indicate this with an event since the return | |
3702 | * value from the retry is not delivered to core code. | |
3703 | */ | |
3704 | union wpa_event_data event; | |
3705 | wpa_printf(MSG_DEBUG, "nl80211: Authentication retry " | |
3706 | "failed"); | |
3707 | os_memset(&event, 0, sizeof(event)); | |
3708 | os_memcpy(event.timeout_event.addr, drv->auth_bssid_, | |
3709 | ETH_ALEN); | |
3710 | wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT, | |
3711 | &event); | |
3712 | } | |
3713 | } else { | |
3714 | wpa_printf(MSG_DEBUG, | |
3715 | "nl80211: Authentication request send successfully"); | |
3716 | } | |
3717 | ||
3718 | fail: | |
3719 | nlmsg_free(msg); | |
3720 | return ret; | |
3721 | } | |
3722 | ||
3723 | ||
3724 | int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv) | |
3725 | { | |
3726 | struct wpa_driver_auth_params params; | |
3727 | struct i802_bss *bss = drv->first_bss; | |
3728 | int i; | |
3729 | ||
3730 | wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again"); | |
3731 | ||
3732 | os_memset(¶ms, 0, sizeof(params)); | |
3733 | params.freq = drv->auth_freq; | |
3734 | params.auth_alg = drv->auth_alg; | |
3735 | params.wep_tx_keyidx = drv->auth_wep_tx_keyidx; | |
3736 | params.local_state_change = drv->auth_local_state_change; | |
3737 | params.p2p = drv->auth_p2p; | |
3738 | ||
3739 | if (!is_zero_ether_addr(drv->auth_bssid_)) | |
3740 | params.bssid = drv->auth_bssid_; | |
3741 | ||
3742 | if (drv->auth_ssid_len) { | |
3743 | params.ssid = drv->auth_ssid; | |
3744 | params.ssid_len = drv->auth_ssid_len; | |
3745 | } | |
3746 | ||
3747 | params.ie = drv->auth_ie; | |
3748 | params.ie_len = drv->auth_ie_len; | |
3749 | ||
3750 | for (i = 0; i < 4; i++) { | |
3751 | if (drv->auth_wep_key_len[i]) { | |
3752 | params.wep_key[i] = drv->auth_wep_key[i]; | |
3753 | params.wep_key_len[i] = drv->auth_wep_key_len[i]; | |
3754 | } | |
3755 | } | |
3756 | ||
3757 | drv->retry_auth = 1; | |
3758 | return wpa_driver_nl80211_authenticate(bss, ¶ms); | |
3759 | } | |
3760 | ||
3761 | ||
3762 | static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data, | |
3763 | size_t data_len, int noack, | |
3764 | unsigned int freq, int no_cck, | |
3765 | int offchanok, | |
3766 | unsigned int wait_time, | |
3767 | const u16 *csa_offs, | |
3768 | size_t csa_offs_len, int no_encrypt) | |
3769 | { | |
3770 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3771 | struct ieee80211_mgmt *mgmt; | |
3772 | int encrypt = !no_encrypt; | |
3773 | u16 fc; | |
3774 | int use_cookie = 1; | |
3775 | int res; | |
3776 | ||
3777 | mgmt = (struct ieee80211_mgmt *) data; | |
3778 | fc = le_to_host16(mgmt->frame_control); | |
3779 | wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da=" MACSTR | |
3780 | " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u no_encrypt=%d fc=0x%x (%s) nlmode=%d", | |
3781 | MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time, | |
3782 | no_encrypt, fc, fc2str(fc), drv->nlmode); | |
3783 | ||
3784 | if ((is_sta_interface(drv->nlmode) || | |
3785 | drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) && | |
3786 | WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
3787 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) { | |
3788 | /* | |
3789 | * The use of last_mgmt_freq is a bit of a hack, | |
3790 | * but it works due to the single-threaded nature | |
3791 | * of wpa_supplicant. | |
3792 | */ | |
3793 | if (freq == 0) { | |
3794 | wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d", | |
3795 | drv->last_mgmt_freq); | |
3796 | freq = drv->last_mgmt_freq; | |
3797 | } | |
3798 | wait_time = 0; | |
3799 | use_cookie = 0; | |
3800 | no_cck = 1; | |
3801 | offchanok = 1; | |
3802 | goto send_frame_cmd; | |
3803 | } | |
3804 | ||
3805 | if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) { | |
3806 | if (freq == 0) { | |
3807 | wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d", | |
3808 | bss->freq); | |
3809 | freq = bss->freq; | |
3810 | } | |
3811 | if ((int) freq == bss->freq) | |
3812 | wait_time = 0; | |
3813 | goto send_frame_cmd; | |
3814 | } | |
3815 | ||
3816 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
3817 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) { | |
3818 | /* | |
3819 | * Only one of the authentication frame types is encrypted. | |
3820 | * In order for static WEP encryption to work properly (i.e., | |
3821 | * to not encrypt the frame), we need to tell mac80211 about | |
3822 | * the frames that must not be encrypted. | |
3823 | */ | |
3824 | u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg); | |
3825 | u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction); | |
3826 | if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3) | |
3827 | encrypt = 0; | |
3828 | } | |
3829 | ||
3830 | if (freq == 0 && drv->nlmode == NL80211_IFTYPE_STATION && | |
3831 | (drv->capa.flags & WPA_DRIVER_FLAGS_SAE) && | |
3832 | !(drv->capa.flags & WPA_DRIVER_FLAGS_SME) && | |
3833 | WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
3834 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) { | |
3835 | freq = nl80211_get_assoc_freq(drv); | |
3836 | wpa_printf(MSG_DEBUG, | |
3837 | "nl80211: send_mlme - Use assoc_freq=%u for external auth", | |
3838 | freq); | |
3839 | } | |
3840 | ||
3841 | if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) { | |
3842 | freq = nl80211_get_assoc_freq(drv); | |
3843 | wpa_printf(MSG_DEBUG, | |
3844 | "nl80211: send_mlme - Use assoc_freq=%u for IBSS", | |
3845 | freq); | |
3846 | } | |
3847 | if (freq == 0) { | |
3848 | wpa_printf(MSG_DEBUG, "nl80211: send_mlme - Use bss->freq=%u", | |
3849 | bss->freq); | |
3850 | freq = bss->freq; | |
3851 | } | |
3852 | ||
3853 | if (drv->use_monitor) { | |
3854 | wpa_printf(MSG_DEBUG, | |
3855 | "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor", | |
3856 | freq, bss->freq); | |
3857 | return nl80211_send_monitor(drv, data, data_len, encrypt, | |
3858 | noack); | |
3859 | } | |
3860 | ||
3861 | if (noack || WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT || | |
3862 | WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION) | |
3863 | use_cookie = 0; | |
3864 | send_frame_cmd: | |
3865 | #ifdef CONFIG_TESTING_OPTIONS | |
3866 | if (no_encrypt && !encrypt && !drv->use_monitor) { | |
3867 | wpa_printf(MSG_DEBUG, | |
3868 | "nl80211: Request to send an unencrypted frame - use a monitor interface for this"); | |
3869 | if (nl80211_create_monitor_interface(drv) < 0) | |
3870 | return -1; | |
3871 | res = nl80211_send_monitor(drv, data, data_len, encrypt, | |
3872 | noack); | |
3873 | nl80211_remove_monitor_interface(drv); | |
3874 | return res; | |
3875 | } | |
3876 | #endif /* CONFIG_TESTING_OPTIONS */ | |
3877 | ||
3878 | wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame_cmd"); | |
3879 | res = nl80211_send_frame_cmd(bss, freq, wait_time, data, data_len, | |
3880 | use_cookie, no_cck, noack, offchanok, | |
3881 | csa_offs, csa_offs_len); | |
3882 | ||
3883 | return res; | |
3884 | } | |
3885 | ||
3886 | ||
3887 | static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates) | |
3888 | { | |
3889 | u8 rates[NL80211_MAX_SUPP_RATES]; | |
3890 | u8 rates_len = 0; | |
3891 | int i; | |
3892 | ||
3893 | if (!basic_rates) | |
3894 | return 0; | |
3895 | ||
3896 | for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++) | |
3897 | rates[rates_len++] = basic_rates[i] / 5; | |
3898 | ||
3899 | return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates); | |
3900 | } | |
3901 | ||
3902 | ||
3903 | static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble, | |
3904 | int slot, int ht_opmode, int ap_isolate, | |
3905 | const int *basic_rates) | |
3906 | { | |
3907 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3908 | struct nl_msg *msg; | |
3909 | ||
3910 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) || | |
3911 | (cts >= 0 && | |
3912 | nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) || | |
3913 | (preamble >= 0 && | |
3914 | nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) || | |
3915 | (slot >= 0 && | |
3916 | nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) || | |
3917 | (ht_opmode >= 0 && | |
3918 | nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) || | |
3919 | (ap_isolate >= 0 && | |
3920 | nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) || | |
3921 | nl80211_put_basic_rates(msg, basic_rates)) { | |
3922 | nlmsg_free(msg); | |
3923 | return -ENOBUFS; | |
3924 | } | |
3925 | ||
3926 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
3927 | } | |
3928 | ||
3929 | ||
3930 | static int wpa_driver_nl80211_set_acl(void *priv, | |
3931 | struct hostapd_acl_params *params) | |
3932 | { | |
3933 | struct i802_bss *bss = priv; | |
3934 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3935 | struct nl_msg *msg; | |
3936 | struct nl_msg *acl; | |
3937 | unsigned int i; | |
3938 | int ret; | |
3939 | ||
3940 | if (!(drv->capa.max_acl_mac_addrs)) | |
3941 | return -ENOTSUP; | |
3942 | ||
3943 | if (params->num_mac_acl > drv->capa.max_acl_mac_addrs) | |
3944 | return -ENOTSUP; | |
3945 | ||
3946 | wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)", | |
3947 | params->acl_policy ? "Accept" : "Deny", params->num_mac_acl); | |
3948 | ||
3949 | acl = nlmsg_alloc(); | |
3950 | if (!acl) | |
3951 | return -ENOMEM; | |
3952 | for (i = 0; i < params->num_mac_acl; i++) { | |
3953 | if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) { | |
3954 | nlmsg_free(acl); | |
3955 | return -ENOMEM; | |
3956 | } | |
3957 | } | |
3958 | ||
3959 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) || | |
3960 | nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ? | |
3961 | NL80211_ACL_POLICY_DENY_UNLESS_LISTED : | |
3962 | NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) || | |
3963 | nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) { | |
3964 | nlmsg_free(msg); | |
3965 | nlmsg_free(acl); | |
3966 | return -ENOMEM; | |
3967 | } | |
3968 | nlmsg_free(acl); | |
3969 | ||
3970 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3971 | if (ret) { | |
3972 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)", | |
3973 | ret, strerror(-ret)); | |
3974 | } | |
3975 | ||
3976 | return ret; | |
3977 | } | |
3978 | ||
3979 | ||
3980 | static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int) | |
3981 | { | |
3982 | if (beacon_int > 0) { | |
3983 | wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int); | |
3984 | return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL, | |
3985 | beacon_int); | |
3986 | } | |
3987 | ||
3988 | return 0; | |
3989 | } | |
3990 | ||
3991 | ||
3992 | static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period) | |
3993 | { | |
3994 | if (dtim_period > 0) { | |
3995 | wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period); | |
3996 | return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period); | |
3997 | } | |
3998 | ||
3999 | return 0; | |
4000 | } | |
4001 | ||
4002 | ||
4003 | #ifdef CONFIG_MESH | |
4004 | static int nl80211_set_mesh_config(void *priv, | |
4005 | struct wpa_driver_mesh_bss_params *params) | |
4006 | { | |
4007 | struct i802_bss *bss = priv; | |
4008 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4009 | struct nl_msg *msg; | |
4010 | int ret; | |
4011 | ||
4012 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG); | |
4013 | if (!msg) | |
4014 | return -1; | |
4015 | ||
4016 | ret = nl80211_put_mesh_config(msg, params); | |
4017 | if (ret < 0) { | |
4018 | nlmsg_free(msg); | |
4019 | return ret; | |
4020 | } | |
4021 | ||
4022 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4023 | if (ret) { | |
4024 | wpa_printf(MSG_ERROR, | |
4025 | "nl80211: Mesh config set failed: %d (%s)", | |
4026 | ret, strerror(-ret)); | |
4027 | return ret; | |
4028 | } | |
4029 | return 0; | |
4030 | } | |
4031 | #endif /* CONFIG_MESH */ | |
4032 | ||
4033 | ||
4034 | static int nl80211_put_beacon_rate(struct nl_msg *msg, const u64 flags, | |
4035 | struct wpa_driver_ap_params *params) | |
4036 | { | |
4037 | struct nlattr *bands, *band; | |
4038 | struct nl80211_txrate_vht vht_rate; | |
4039 | ||
4040 | if (!params->freq || | |
4041 | (params->beacon_rate == 0 && | |
4042 | params->rate_type == BEACON_RATE_LEGACY)) | |
4043 | return 0; | |
4044 | ||
4045 | bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES); | |
4046 | if (!bands) | |
4047 | return -1; | |
4048 | ||
4049 | switch (params->freq->mode) { | |
4050 | case HOSTAPD_MODE_IEEE80211B: | |
4051 | case HOSTAPD_MODE_IEEE80211G: | |
4052 | band = nla_nest_start(msg, NL80211_BAND_2GHZ); | |
4053 | break; | |
4054 | case HOSTAPD_MODE_IEEE80211A: | |
4055 | band = nla_nest_start(msg, NL80211_BAND_5GHZ); | |
4056 | break; | |
4057 | case HOSTAPD_MODE_IEEE80211AD: | |
4058 | band = nla_nest_start(msg, NL80211_BAND_60GHZ); | |
4059 | break; | |
4060 | default: | |
4061 | return 0; | |
4062 | } | |
4063 | ||
4064 | if (!band) | |
4065 | return -1; | |
4066 | ||
4067 | os_memset(&vht_rate, 0, sizeof(vht_rate)); | |
4068 | ||
4069 | switch (params->rate_type) { | |
4070 | case BEACON_RATE_LEGACY: | |
4071 | if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) { | |
4072 | wpa_printf(MSG_INFO, | |
4073 | "nl80211: Driver does not support setting Beacon frame rate (legacy)"); | |
4074 | return -1; | |
4075 | } | |
4076 | ||
4077 | if (nla_put_u8(msg, NL80211_TXRATE_LEGACY, | |
4078 | (u8) params->beacon_rate / 5) || | |
4079 | nla_put(msg, NL80211_TXRATE_HT, 0, NULL) || | |
4080 | (params->freq->vht_enabled && | |
4081 | nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate), | |
4082 | &vht_rate))) | |
4083 | return -1; | |
4084 | ||
4085 | wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)", | |
4086 | params->beacon_rate); | |
4087 | break; | |
4088 | case BEACON_RATE_HT: | |
4089 | if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) { | |
4090 | wpa_printf(MSG_INFO, | |
4091 | "nl80211: Driver does not support setting Beacon frame rate (HT)"); | |
4092 | return -1; | |
4093 | } | |
4094 | if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) || | |
4095 | nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) || | |
4096 | (params->freq->vht_enabled && | |
4097 | nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate), | |
4098 | &vht_rate))) | |
4099 | return -1; | |
4100 | wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u", | |
4101 | params->beacon_rate); | |
4102 | break; | |
4103 | case BEACON_RATE_VHT: | |
4104 | if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) { | |
4105 | wpa_printf(MSG_INFO, | |
4106 | "nl80211: Driver does not support setting Beacon frame rate (VHT)"); | |
4107 | return -1; | |
4108 | } | |
4109 | vht_rate.mcs[0] = BIT(params->beacon_rate); | |
4110 | if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL)) | |
4111 | return -1; | |
4112 | if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL)) | |
4113 | return -1; | |
4114 | if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate), | |
4115 | &vht_rate)) | |
4116 | return -1; | |
4117 | wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u", | |
4118 | params->beacon_rate); | |
4119 | break; | |
4120 | } | |
4121 | ||
4122 | nla_nest_end(msg, band); | |
4123 | nla_nest_end(msg, bands); | |
4124 | ||
4125 | return 0; | |
4126 | } | |
4127 | ||
4128 | ||
4129 | static int nl80211_set_multicast_to_unicast(struct i802_bss *bss, | |
4130 | int multicast_to_unicast) | |
4131 | { | |
4132 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4133 | struct nl_msg *msg; | |
4134 | int ret; | |
4135 | ||
4136 | msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST); | |
4137 | if (!msg || | |
4138 | (multicast_to_unicast && | |
4139 | nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) { | |
4140 | wpa_printf(MSG_ERROR, | |
4141 | "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s", | |
4142 | bss->ifname); | |
4143 | nlmsg_free(msg); | |
4144 | return -ENOBUFS; | |
4145 | } | |
4146 | ||
4147 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4148 | ||
4149 | switch (ret) { | |
4150 | case 0: | |
4151 | wpa_printf(MSG_DEBUG, | |
4152 | "nl80211: multicast to unicast %s on interface %s", | |
4153 | multicast_to_unicast ? "enabled" : "disabled", | |
4154 | bss->ifname); | |
4155 | break; | |
4156 | case -EOPNOTSUPP: | |
4157 | if (!multicast_to_unicast) | |
4158 | break; | |
4159 | wpa_printf(MSG_INFO, | |
4160 | "nl80211: multicast to unicast not supported on interface %s", | |
4161 | bss->ifname); | |
4162 | break; | |
4163 | default: | |
4164 | wpa_printf(MSG_ERROR, | |
4165 | "nl80211: %s multicast to unicast failed with %d (%s) on interface %s", | |
4166 | multicast_to_unicast ? "enabling" : "disabling", | |
4167 | ret, strerror(-ret), bss->ifname); | |
4168 | break; | |
4169 | } | |
4170 | ||
4171 | return ret; | |
4172 | } | |
4173 | ||
4174 | ||
4175 | static int wpa_driver_nl80211_set_ap(void *priv, | |
4176 | struct wpa_driver_ap_params *params) | |
4177 | { | |
4178 | struct i802_bss *bss = priv; | |
4179 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4180 | struct nl_msg *msg; | |
4181 | u8 cmd = NL80211_CMD_NEW_BEACON; | |
4182 | int ret = -ENOBUFS; | |
4183 | int beacon_set; | |
4184 | int num_suites; | |
4185 | u32 suites[20], suite; | |
4186 | u32 ver; | |
4187 | #ifdef CONFIG_MESH | |
4188 | struct wpa_driver_mesh_bss_params mesh_params; | |
4189 | #endif /* CONFIG_MESH */ | |
4190 | ||
4191 | beacon_set = params->reenable ? 0 : bss->beacon_set; | |
4192 | ||
4193 | wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)", | |
4194 | beacon_set); | |
4195 | if (beacon_set) | |
4196 | cmd = NL80211_CMD_SET_BEACON; | |
4197 | else if (!drv->device_ap_sme && !drv->use_monitor && | |
4198 | !nl80211_get_wiphy_data_ap(bss)) | |
4199 | return -ENOBUFS; | |
4200 | ||
4201 | wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head", | |
4202 | params->head, params->head_len); | |
4203 | wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail", | |
4204 | params->tail, params->tail_len); | |
4205 | wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex); | |
4206 | wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int); | |
4207 | wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate); | |
4208 | wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type); | |
4209 | wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period); | |
4210 | wpa_printf(MSG_DEBUG, "nl80211: ssid=%s", | |
4211 | wpa_ssid_txt(params->ssid, params->ssid_len)); | |
4212 | if (!(msg = nl80211_bss_msg(bss, 0, cmd)) || | |
4213 | nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, | |
4214 | params->head) || | |
4215 | nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, | |
4216 | params->tail) || | |
4217 | nl80211_put_beacon_int(msg, params->beacon_int) || | |
4218 | nl80211_put_beacon_rate(msg, drv->capa.flags, params) || | |
4219 | nl80211_put_dtim_period(msg, params->dtim_period) || | |
4220 | nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) | |
4221 | goto fail; | |
4222 | if (params->proberesp && params->proberesp_len) { | |
4223 | wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)", | |
4224 | params->proberesp, params->proberesp_len); | |
4225 | if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len, | |
4226 | params->proberesp)) | |
4227 | goto fail; | |
4228 | } | |
4229 | switch (params->hide_ssid) { | |
4230 | case NO_SSID_HIDING: | |
4231 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use"); | |
4232 | if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID, | |
4233 | NL80211_HIDDEN_SSID_NOT_IN_USE)) | |
4234 | goto fail; | |
4235 | break; | |
4236 | case HIDDEN_SSID_ZERO_LEN: | |
4237 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len"); | |
4238 | if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID, | |
4239 | NL80211_HIDDEN_SSID_ZERO_LEN)) | |
4240 | goto fail; | |
4241 | break; | |
4242 | case HIDDEN_SSID_ZERO_CONTENTS: | |
4243 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents"); | |
4244 | if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID, | |
4245 | NL80211_HIDDEN_SSID_ZERO_CONTENTS)) | |
4246 | goto fail; | |
4247 | break; | |
4248 | } | |
4249 | wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy); | |
4250 | if (params->privacy && | |
4251 | nla_put_flag(msg, NL80211_ATTR_PRIVACY)) | |
4252 | goto fail; | |
4253 | wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs); | |
4254 | if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) == | |
4255 | (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) { | |
4256 | /* Leave out the attribute */ | |
4257 | } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) { | |
4258 | if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, | |
4259 | NL80211_AUTHTYPE_SHARED_KEY)) | |
4260 | goto fail; | |
4261 | } else { | |
4262 | if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, | |
4263 | NL80211_AUTHTYPE_OPEN_SYSTEM)) | |
4264 | goto fail; | |
4265 | } | |
4266 | ||
4267 | wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version); | |
4268 | ver = 0; | |
4269 | if (params->wpa_version & WPA_PROTO_WPA) | |
4270 | ver |= NL80211_WPA_VERSION_1; | |
4271 | if (params->wpa_version & WPA_PROTO_RSN) | |
4272 | ver |= NL80211_WPA_VERSION_2; | |
4273 | if (ver && | |
4274 | nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver)) | |
4275 | goto fail; | |
4276 | ||
4277 | wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x", | |
4278 | params->key_mgmt_suites); | |
4279 | num_suites = wpa_key_mgmt_to_suites(params->key_mgmt_suites, | |
4280 | suites, ARRAY_SIZE(suites)); | |
4281 | if (num_suites > NL80211_MAX_NR_AKM_SUITES) | |
4282 | wpa_printf(MSG_WARNING, | |
4283 | "nl80211: Not enough room for all AKM suites (num_suites=%d > NL80211_MAX_NR_AKM_SUITES)", | |
4284 | num_suites); | |
4285 | else if (num_suites && | |
4286 | nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32), | |
4287 | suites)) | |
4288 | goto fail; | |
4289 | ||
4290 | if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA && | |
4291 | (!params->pairwise_ciphers || | |
4292 | params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) && | |
4293 | (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) || | |
4294 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) | |
4295 | goto fail; | |
4296 | ||
4297 | if (drv->device_ap_sme && | |
4298 | (params->key_mgmt_suites & WPA_KEY_MGMT_SAE) && | |
4299 | nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT)) | |
4300 | goto fail; | |
4301 | ||
4302 | wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x", | |
4303 | params->pairwise_ciphers); | |
4304 | num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers, | |
4305 | suites, ARRAY_SIZE(suites)); | |
4306 | if (num_suites && | |
4307 | nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, | |
4308 | num_suites * sizeof(u32), suites)) | |
4309 | goto fail; | |
4310 | ||
4311 | wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x", | |
4312 | params->group_cipher); | |
4313 | suite = wpa_cipher_to_cipher_suite(params->group_cipher); | |
4314 | if (suite && | |
4315 | nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite)) | |
4316 | goto fail; | |
4317 | ||
4318 | if (params->beacon_ies) { | |
4319 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies", | |
4320 | params->beacon_ies); | |
4321 | if (nla_put(msg, NL80211_ATTR_IE, | |
4322 | wpabuf_len(params->beacon_ies), | |
4323 | wpabuf_head(params->beacon_ies))) | |
4324 | goto fail; | |
4325 | } | |
4326 | if (params->proberesp_ies) { | |
4327 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies", | |
4328 | params->proberesp_ies); | |
4329 | if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP, | |
4330 | wpabuf_len(params->proberesp_ies), | |
4331 | wpabuf_head(params->proberesp_ies))) | |
4332 | goto fail; | |
4333 | } | |
4334 | if (params->assocresp_ies) { | |
4335 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies", | |
4336 | params->assocresp_ies); | |
4337 | if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP, | |
4338 | wpabuf_len(params->assocresp_ies), | |
4339 | wpabuf_head(params->assocresp_ies))) | |
4340 | goto fail; | |
4341 | } | |
4342 | ||
4343 | if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) { | |
4344 | wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d", | |
4345 | params->ap_max_inactivity); | |
4346 | if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT, | |
4347 | params->ap_max_inactivity)) | |
4348 | goto fail; | |
4349 | } | |
4350 | ||
4351 | #ifdef CONFIG_P2P | |
4352 | if (params->p2p_go_ctwindow > 0) { | |
4353 | if (drv->p2p_go_ctwindow_supported) { | |
4354 | wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d", | |
4355 | params->p2p_go_ctwindow); | |
4356 | if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW, | |
4357 | params->p2p_go_ctwindow)) | |
4358 | goto fail; | |
4359 | } else { | |
4360 | wpa_printf(MSG_INFO, | |
4361 | "nl80211: Driver does not support CTWindow configuration - ignore this parameter"); | |
4362 | } | |
4363 | } | |
4364 | #endif /* CONFIG_P2P */ | |
4365 | ||
4366 | if (params->pbss) { | |
4367 | wpa_printf(MSG_DEBUG, "nl80211: PBSS"); | |
4368 | if (nla_put_flag(msg, NL80211_ATTR_PBSS)) | |
4369 | goto fail; | |
4370 | } | |
4371 | ||
4372 | if (params->ftm_responder) { | |
4373 | struct nlattr *ftm; | |
4374 | ||
4375 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) { | |
4376 | ret = -ENOTSUP; | |
4377 | goto fail; | |
4378 | } | |
4379 | ||
4380 | ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER); | |
4381 | if (!ftm || | |
4382 | nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) || | |
4383 | (params->lci && | |
4384 | nla_put(msg, NL80211_FTM_RESP_ATTR_LCI, | |
4385 | wpabuf_len(params->lci), | |
4386 | wpabuf_head(params->lci))) || | |
4387 | (params->civic && | |
4388 | nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC, | |
4389 | wpabuf_len(params->civic), | |
4390 | wpabuf_head(params->civic)))) | |
4391 | goto fail; | |
4392 | nla_nest_end(msg, ftm); | |
4393 | } | |
4394 | ||
4395 | #ifdef CONFIG_IEEE80211AX | |
4396 | if (params->he_spr) { | |
4397 | struct nlattr *spr; | |
4398 | ||
4399 | spr = nla_nest_start(msg, NL80211_ATTR_HE_OBSS_PD); | |
4400 | wpa_printf(MSG_DEBUG, "nl80211: he_spr=%d", params->he_spr); | |
4401 | ||
4402 | if (!spr || | |
4403 | nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET, | |
4404 | params->he_spr_srg_obss_pd_min_offset) || | |
4405 | nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET, | |
4406 | params->he_spr_srg_obss_pd_max_offset)) | |
4407 | goto fail; | |
4408 | ||
4409 | nla_nest_end(msg, spr); | |
4410 | } | |
4411 | ||
4412 | if (params->freq && params->freq->he_enabled) { | |
4413 | struct nlattr *bss_color; | |
4414 | ||
4415 | bss_color = nla_nest_start(msg, NL80211_ATTR_HE_BSS_COLOR); | |
4416 | if (!bss_color || | |
4417 | (params->he_bss_color_disabled && | |
4418 | nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_DISABLED)) || | |
4419 | (params->he_bss_color_partial && | |
4420 | nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_PARTIAL)) || | |
4421 | nla_put_u8(msg, NL80211_HE_BSS_COLOR_ATTR_COLOR, | |
4422 | params->he_bss_color)) | |
4423 | goto fail; | |
4424 | nla_nest_end(msg, bss_color); | |
4425 | } | |
4426 | ||
4427 | if (params->twt_responder) { | |
4428 | wpa_printf(MSG_DEBUG, "nl80211: twt_responder=%d", | |
4429 | params->twt_responder); | |
4430 | if (nla_put_flag(msg, NL80211_ATTR_TWT_RESPONDER)) | |
4431 | goto fail; | |
4432 | } | |
4433 | #endif /* CONFIG_IEEE80211AX */ | |
4434 | ||
4435 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4436 | if (ret) { | |
4437 | wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)", | |
4438 | ret, strerror(-ret)); | |
4439 | } else { | |
4440 | bss->beacon_set = 1; | |
4441 | nl80211_set_bss(bss, params->cts_protect, params->preamble, | |
4442 | params->short_slot_time, params->ht_opmode, | |
4443 | params->isolate, params->basic_rates); | |
4444 | nl80211_set_multicast_to_unicast(bss, | |
4445 | params->multicast_to_unicast); | |
4446 | if (beacon_set && params->freq && | |
4447 | params->freq->bandwidth != bss->bandwidth) { | |
4448 | wpa_printf(MSG_DEBUG, | |
4449 | "nl80211: Update BSS %s bandwidth: %d -> %d", | |
4450 | bss->ifname, bss->bandwidth, | |
4451 | params->freq->bandwidth); | |
4452 | ret = nl80211_set_channel(bss, params->freq, 1); | |
4453 | if (ret) { | |
4454 | wpa_printf(MSG_DEBUG, | |
4455 | "nl80211: Frequency set failed: %d (%s)", | |
4456 | ret, strerror(-ret)); | |
4457 | } else { | |
4458 | wpa_printf(MSG_DEBUG, | |
4459 | "nl80211: Frequency set succeeded for ht2040 coex"); | |
4460 | bss->bandwidth = params->freq->bandwidth; | |
4461 | } | |
4462 | } else if (!beacon_set && params->freq) { | |
4463 | /* | |
4464 | * cfg80211 updates the driver on frequence change in AP | |
4465 | * mode only at the point when beaconing is started, so | |
4466 | * set the initial value here. | |
4467 | */ | |
4468 | bss->bandwidth = params->freq->bandwidth; | |
4469 | } | |
4470 | } | |
4471 | ||
4472 | #ifdef CONFIG_MESH | |
4473 | if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) { | |
4474 | os_memset(&mesh_params, 0, sizeof(mesh_params)); | |
4475 | mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE; | |
4476 | mesh_params.ht_opmode = params->ht_opmode; | |
4477 | ret = nl80211_set_mesh_config(priv, &mesh_params); | |
4478 | if (ret < 0) | |
4479 | return ret; | |
4480 | } | |
4481 | #endif /* CONFIG_MESH */ | |
4482 | ||
4483 | return ret; | |
4484 | fail: | |
4485 | nlmsg_free(msg); | |
4486 | return ret; | |
4487 | } | |
4488 | ||
4489 | ||
4490 | static int nl80211_put_freq_params(struct nl_msg *msg, | |
4491 | const struct hostapd_freq_params *freq) | |
4492 | { | |
4493 | enum hostapd_hw_mode hw_mode; | |
4494 | int is_24ghz; | |
4495 | u8 channel; | |
4496 | ||
4497 | wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq); | |
4498 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq)) | |
4499 | return -ENOBUFS; | |
4500 | ||
4501 | wpa_printf(MSG_DEBUG, " * he_enabled=%d", freq->he_enabled); | |
4502 | wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled); | |
4503 | wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled); | |
4504 | ||
4505 | hw_mode = ieee80211_freq_to_chan(freq->freq, &channel); | |
4506 | is_24ghz = hw_mode == HOSTAPD_MODE_IEEE80211G || | |
4507 | hw_mode == HOSTAPD_MODE_IEEE80211B; | |
4508 | ||
4509 | if (freq->vht_enabled || (freq->he_enabled && !is_24ghz)) { | |
4510 | enum nl80211_chan_width cw; | |
4511 | ||
4512 | wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth); | |
4513 | switch (freq->bandwidth) { | |
4514 | case 20: | |
4515 | cw = NL80211_CHAN_WIDTH_20; | |
4516 | break; | |
4517 | case 40: | |
4518 | cw = NL80211_CHAN_WIDTH_40; | |
4519 | break; | |
4520 | case 80: | |
4521 | if (freq->center_freq2) | |
4522 | cw = NL80211_CHAN_WIDTH_80P80; | |
4523 | else | |
4524 | cw = NL80211_CHAN_WIDTH_80; | |
4525 | break; | |
4526 | case 160: | |
4527 | cw = NL80211_CHAN_WIDTH_160; | |
4528 | break; | |
4529 | default: | |
4530 | return -EINVAL; | |
4531 | } | |
4532 | ||
4533 | wpa_printf(MSG_DEBUG, " * channel_width=%d", cw); | |
4534 | wpa_printf(MSG_DEBUG, " * center_freq1=%d", | |
4535 | freq->center_freq1); | |
4536 | wpa_printf(MSG_DEBUG, " * center_freq2=%d", | |
4537 | freq->center_freq2); | |
4538 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) || | |
4539 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, | |
4540 | freq->center_freq1) || | |
4541 | (freq->center_freq2 && | |
4542 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, | |
4543 | freq->center_freq2))) | |
4544 | return -ENOBUFS; | |
4545 | } else if (freq->ht_enabled) { | |
4546 | enum nl80211_channel_type ct; | |
4547 | ||
4548 | wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d", | |
4549 | freq->sec_channel_offset); | |
4550 | switch (freq->sec_channel_offset) { | |
4551 | case -1: | |
4552 | ct = NL80211_CHAN_HT40MINUS; | |
4553 | break; | |
4554 | case 1: | |
4555 | ct = NL80211_CHAN_HT40PLUS; | |
4556 | break; | |
4557 | default: | |
4558 | ct = NL80211_CHAN_HT20; | |
4559 | break; | |
4560 | } | |
4561 | ||
4562 | wpa_printf(MSG_DEBUG, " * channel_type=%d", ct); | |
4563 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct)) | |
4564 | return -ENOBUFS; | |
4565 | } else if (freq->edmg.channels && freq->edmg.bw_config) { | |
4566 | wpa_printf(MSG_DEBUG, | |
4567 | " * EDMG configuration: channels=0x%x bw_config=%d", | |
4568 | freq->edmg.channels, freq->edmg.bw_config); | |
4569 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS, | |
4570 | freq->edmg.channels) || | |
4571 | nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG, | |
4572 | freq->edmg.bw_config)) | |
4573 | return -1; | |
4574 | } else { | |
4575 | wpa_printf(MSG_DEBUG, " * channel_type=%d", | |
4576 | NL80211_CHAN_NO_HT); | |
4577 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
4578 | NL80211_CHAN_NO_HT)) | |
4579 | return -ENOBUFS; | |
4580 | } | |
4581 | return 0; | |
4582 | } | |
4583 | ||
4584 | ||
4585 | static int nl80211_set_channel(struct i802_bss *bss, | |
4586 | struct hostapd_freq_params *freq, int set_chan) | |
4587 | { | |
4588 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4589 | struct nl_msg *msg; | |
4590 | int ret; | |
4591 | ||
4592 | wpa_printf(MSG_DEBUG, | |
4593 | "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)", | |
4594 | freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled, | |
4595 | freq->bandwidth, freq->center_freq1, freq->center_freq2); | |
4596 | ||
4597 | msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL : | |
4598 | NL80211_CMD_SET_WIPHY); | |
4599 | if (!msg || nl80211_put_freq_params(msg, freq) < 0) { | |
4600 | nlmsg_free(msg); | |
4601 | return -1; | |
4602 | } | |
4603 | ||
4604 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4605 | if (ret == 0) { | |
4606 | bss->freq = freq->freq; | |
4607 | return 0; | |
4608 | } | |
4609 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): " | |
4610 | "%d (%s)", freq->freq, ret, strerror(-ret)); | |
4611 | return -1; | |
4612 | } | |
4613 | ||
4614 | ||
4615 | static u32 sta_flags_nl80211(int flags) | |
4616 | { | |
4617 | u32 f = 0; | |
4618 | ||
4619 | if (flags & WPA_STA_AUTHORIZED) | |
4620 | f |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
4621 | if (flags & WPA_STA_WMM) | |
4622 | f |= BIT(NL80211_STA_FLAG_WME); | |
4623 | if (flags & WPA_STA_SHORT_PREAMBLE) | |
4624 | f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
4625 | if (flags & WPA_STA_MFP) | |
4626 | f |= BIT(NL80211_STA_FLAG_MFP); | |
4627 | if (flags & WPA_STA_TDLS_PEER) | |
4628 | f |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4629 | if (flags & WPA_STA_AUTHENTICATED) | |
4630 | f |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
4631 | if (flags & WPA_STA_ASSOCIATED) | |
4632 | f |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
4633 | ||
4634 | return f; | |
4635 | } | |
4636 | ||
4637 | ||
4638 | #ifdef CONFIG_MESH | |
4639 | static u32 sta_plink_state_nl80211(enum mesh_plink_state state) | |
4640 | { | |
4641 | switch (state) { | |
4642 | case PLINK_IDLE: | |
4643 | return NL80211_PLINK_LISTEN; | |
4644 | case PLINK_OPN_SNT: | |
4645 | return NL80211_PLINK_OPN_SNT; | |
4646 | case PLINK_OPN_RCVD: | |
4647 | return NL80211_PLINK_OPN_RCVD; | |
4648 | case PLINK_CNF_RCVD: | |
4649 | return NL80211_PLINK_CNF_RCVD; | |
4650 | case PLINK_ESTAB: | |
4651 | return NL80211_PLINK_ESTAB; | |
4652 | case PLINK_HOLDING: | |
4653 | return NL80211_PLINK_HOLDING; | |
4654 | case PLINK_BLOCKED: | |
4655 | return NL80211_PLINK_BLOCKED; | |
4656 | default: | |
4657 | wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d", | |
4658 | state); | |
4659 | } | |
4660 | return -1; | |
4661 | } | |
4662 | #endif /* CONFIG_MESH */ | |
4663 | ||
4664 | ||
4665 | static int wpa_driver_nl80211_sta_add(void *priv, | |
4666 | struct hostapd_sta_add_params *params) | |
4667 | { | |
4668 | struct i802_bss *bss = priv; | |
4669 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4670 | struct nl_msg *msg; | |
4671 | struct nl80211_sta_flag_update upd; | |
4672 | int ret = -ENOBUFS; | |
4673 | ||
4674 | if ((params->flags & WPA_STA_TDLS_PEER) && | |
4675 | !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
4676 | return -EOPNOTSUPP; | |
4677 | ||
4678 | wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR, | |
4679 | params->set ? "Set" : "Add", MAC2STR(params->addr)); | |
4680 | msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION : | |
4681 | NL80211_CMD_NEW_STATION); | |
4682 | if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr)) | |
4683 | goto fail; | |
4684 | ||
4685 | /* | |
4686 | * Set the below properties only in one of the following cases: | |
4687 | * 1. New station is added, already associated. | |
4688 | * 2. Set WPA_STA_TDLS_PEER station. | |
4689 | * 3. Set an already added unassociated station, if driver supports | |
4690 | * full AP client state. (Set these properties after station became | |
4691 | * associated will be rejected by the driver). | |
4692 | */ | |
4693 | if (!params->set || (params->flags & WPA_STA_TDLS_PEER) || | |
4694 | (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) && | |
4695 | (params->flags & WPA_STA_ASSOCIATED))) { | |
4696 | wpa_hexdump(MSG_DEBUG, " * supported rates", | |
4697 | params->supp_rates, params->supp_rates_len); | |
4698 | wpa_printf(MSG_DEBUG, " * capability=0x%x", | |
4699 | params->capability); | |
4700 | if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES, | |
4701 | params->supp_rates_len, params->supp_rates) || | |
4702 | nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY, | |
4703 | params->capability)) | |
4704 | goto fail; | |
4705 | ||
4706 | if (params->ht_capabilities) { | |
4707 | wpa_hexdump(MSG_DEBUG, " * ht_capabilities", | |
4708 | (u8 *) params->ht_capabilities, | |
4709 | sizeof(*params->ht_capabilities)); | |
4710 | if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, | |
4711 | sizeof(*params->ht_capabilities), | |
4712 | params->ht_capabilities)) | |
4713 | goto fail; | |
4714 | } | |
4715 | ||
4716 | if (params->vht_capabilities) { | |
4717 | wpa_hexdump(MSG_DEBUG, " * vht_capabilities", | |
4718 | (u8 *) params->vht_capabilities, | |
4719 | sizeof(*params->vht_capabilities)); | |
4720 | if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, | |
4721 | sizeof(*params->vht_capabilities), | |
4722 | params->vht_capabilities)) | |
4723 | goto fail; | |
4724 | } | |
4725 | ||
4726 | if (params->he_capab) { | |
4727 | wpa_hexdump(MSG_DEBUG, " * he_capab", | |
4728 | params->he_capab, params->he_capab_len); | |
4729 | if (nla_put(msg, NL80211_ATTR_HE_CAPABILITY, | |
4730 | params->he_capab_len, params->he_capab)) | |
4731 | goto fail; | |
4732 | } | |
4733 | ||
4734 | if (params->ext_capab) { | |
4735 | wpa_hexdump(MSG_DEBUG, " * ext_capab", | |
4736 | params->ext_capab, params->ext_capab_len); | |
4737 | if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY, | |
4738 | params->ext_capab_len, params->ext_capab)) | |
4739 | goto fail; | |
4740 | } | |
4741 | ||
4742 | if (is_ap_interface(drv->nlmode) && | |
4743 | nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS, | |
4744 | params->support_p2p_ps ? | |
4745 | NL80211_P2P_PS_SUPPORTED : | |
4746 | NL80211_P2P_PS_UNSUPPORTED)) | |
4747 | goto fail; | |
4748 | } | |
4749 | if (!params->set) { | |
4750 | if (params->aid) { | |
4751 | wpa_printf(MSG_DEBUG, " * aid=%u", params->aid); | |
4752 | if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid)) | |
4753 | goto fail; | |
4754 | } else { | |
4755 | /* | |
4756 | * cfg80211 validates that AID is non-zero, so we have | |
4757 | * to make this a non-zero value for the TDLS case where | |
4758 | * a dummy STA entry is used for now and for a station | |
4759 | * that is still not associated. | |
4760 | */ | |
4761 | wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)", | |
4762 | (params->flags & WPA_STA_TDLS_PEER) ? | |
4763 | "TDLS" : "UNASSOC_STA"); | |
4764 | if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1)) | |
4765 | goto fail; | |
4766 | } | |
4767 | wpa_printf(MSG_DEBUG, " * listen_interval=%u", | |
4768 | params->listen_interval); | |
4769 | if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, | |
4770 | params->listen_interval)) | |
4771 | goto fail; | |
4772 | } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) { | |
4773 | wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid); | |
4774 | if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid)) | |
4775 | goto fail; | |
4776 | } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) && | |
4777 | (params->flags & WPA_STA_ASSOCIATED)) { | |
4778 | wpa_printf(MSG_DEBUG, " * aid=%u", params->aid); | |
4779 | wpa_printf(MSG_DEBUG, " * listen_interval=%u", | |
4780 | params->listen_interval); | |
4781 | if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) || | |
4782 | nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, | |
4783 | params->listen_interval)) | |
4784 | goto fail; | |
4785 | } | |
4786 | ||
4787 | if (params->vht_opmode_enabled) { | |
4788 | wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode); | |
4789 | if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF, | |
4790 | params->vht_opmode)) | |
4791 | goto fail; | |
4792 | } | |
4793 | ||
4794 | if (params->supp_channels) { | |
4795 | wpa_hexdump(MSG_DEBUG, " * supported channels", | |
4796 | params->supp_channels, params->supp_channels_len); | |
4797 | if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS, | |
4798 | params->supp_channels_len, params->supp_channels)) | |
4799 | goto fail; | |
4800 | } | |
4801 | ||
4802 | if (params->supp_oper_classes) { | |
4803 | wpa_hexdump(MSG_DEBUG, " * supported operating classes", | |
4804 | params->supp_oper_classes, | |
4805 | params->supp_oper_classes_len); | |
4806 | if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES, | |
4807 | params->supp_oper_classes_len, | |
4808 | params->supp_oper_classes)) | |
4809 | goto fail; | |
4810 | } | |
4811 | ||
4812 | os_memset(&upd, 0, sizeof(upd)); | |
4813 | upd.set = sta_flags_nl80211(params->flags); | |
4814 | upd.mask = upd.set | sta_flags_nl80211(params->flags_mask); | |
4815 | ||
4816 | /* | |
4817 | * If the driver doesn't support full AP client state, ignore ASSOC/AUTH | |
4818 | * flags, as nl80211 driver moves a new station, by default, into | |
4819 | * associated state. | |
4820 | * | |
4821 | * On the other hand, if the driver supports that feature and the | |
4822 | * station is added in unauthenticated state, set the | |
4823 | * authenticated/associated bits in the mask to prevent moving this | |
4824 | * station to associated state before it is actually associated. | |
4825 | * | |
4826 | * This is irrelevant for mesh mode where the station is added to the | |
4827 | * driver as authenticated already, and ASSOCIATED isn't part of the | |
4828 | * nl80211 API. | |
4829 | */ | |
4830 | if (!is_mesh_interface(drv->nlmode)) { | |
4831 | if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) { | |
4832 | wpa_printf(MSG_DEBUG, | |
4833 | "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state"); | |
4834 | upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4835 | BIT(NL80211_STA_FLAG_AUTHENTICATED)); | |
4836 | } else if (!params->set && | |
4837 | !(params->flags & WPA_STA_TDLS_PEER)) { | |
4838 | if (!(params->flags & WPA_STA_AUTHENTICATED)) | |
4839 | upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
4840 | if (!(params->flags & WPA_STA_ASSOCIATED)) | |
4841 | upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
4842 | } | |
4843 | #ifdef CONFIG_MESH | |
4844 | } else { | |
4845 | if (params->plink_state == PLINK_ESTAB && params->peer_aid) { | |
4846 | ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID, | |
4847 | params->peer_aid); | |
4848 | if (ret) | |
4849 | goto fail; | |
4850 | } | |
4851 | #endif /* CONFIG_MESH */ | |
4852 | } | |
4853 | ||
4854 | wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x", | |
4855 | upd.set, upd.mask); | |
4856 | if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) | |
4857 | goto fail; | |
4858 | ||
4859 | #ifdef CONFIG_MESH | |
4860 | if (params->plink_state && | |
4861 | nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE, | |
4862 | sta_plink_state_nl80211(params->plink_state))) | |
4863 | goto fail; | |
4864 | #endif /* CONFIG_MESH */ | |
4865 | ||
4866 | if ((!params->set || (params->flags & WPA_STA_TDLS_PEER) || | |
4867 | FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) && | |
4868 | (params->flags & WPA_STA_WMM)) { | |
4869 | struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
4870 | ||
4871 | wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo); | |
4872 | if (!wme || | |
4873 | nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
4874 | params->qosinfo & WMM_QOSINFO_STA_AC_MASK) || | |
4875 | nla_put_u8(msg, NL80211_STA_WME_MAX_SP, | |
4876 | (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) & | |
4877 | WMM_QOSINFO_STA_SP_MASK)) | |
4878 | goto fail; | |
4879 | nla_nest_end(msg, wme); | |
4880 | } | |
4881 | ||
4882 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4883 | msg = NULL; | |
4884 | if (ret) | |
4885 | wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION " | |
4886 | "result: %d (%s)", params->set ? "SET" : "NEW", ret, | |
4887 | strerror(-ret)); | |
4888 | if (ret == -EEXIST) | |
4889 | ret = 0; | |
4890 | fail: | |
4891 | nlmsg_free(msg); | |
4892 | return ret; | |
4893 | } | |
4894 | ||
4895 | ||
4896 | static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr) | |
4897 | { | |
4898 | #ifdef CONFIG_LIBNL3_ROUTE | |
4899 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4900 | struct rtnl_neigh *rn; | |
4901 | struct nl_addr *nl_addr; | |
4902 | int err; | |
4903 | ||
4904 | rn = rtnl_neigh_alloc(); | |
4905 | if (!rn) | |
4906 | return; | |
4907 | ||
4908 | rtnl_neigh_set_family(rn, AF_BRIDGE); | |
4909 | rtnl_neigh_set_ifindex(rn, bss->ifindex); | |
4910 | nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN); | |
4911 | if (!nl_addr) { | |
4912 | rtnl_neigh_put(rn); | |
4913 | return; | |
4914 | } | |
4915 | rtnl_neigh_set_lladdr(rn, nl_addr); | |
4916 | ||
4917 | err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0); | |
4918 | if (err < 0) { | |
4919 | wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for " | |
4920 | MACSTR " ifindex=%d failed: %s", MAC2STR(addr), | |
4921 | bss->ifindex, nl_geterror(err)); | |
4922 | } else { | |
4923 | wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for " | |
4924 | MACSTR, MAC2STR(addr)); | |
4925 | } | |
4926 | ||
4927 | nl_addr_put(nl_addr); | |
4928 | rtnl_neigh_put(rn); | |
4929 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
4930 | } | |
4931 | ||
4932 | ||
4933 | static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr, | |
4934 | int deauth, u16 reason_code) | |
4935 | { | |
4936 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4937 | struct nl_msg *msg; | |
4938 | int ret; | |
4939 | ||
4940 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) || | |
4941 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
4942 | (deauth == 0 && | |
4943 | nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE, | |
4944 | WLAN_FC_STYPE_DISASSOC)) || | |
4945 | (deauth == 1 && | |
4946 | nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE, | |
4947 | WLAN_FC_STYPE_DEAUTH)) || | |
4948 | (reason_code && | |
4949 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) { | |
4950 | nlmsg_free(msg); | |
4951 | return -ENOBUFS; | |
4952 | } | |
4953 | ||
4954 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
4955 | wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR | |
4956 | " --> %d (%s)", | |
4957 | bss->ifname, MAC2STR(addr), ret, strerror(-ret)); | |
4958 | ||
4959 | if (drv->rtnl_sk) | |
4960 | rtnl_neigh_delete_fdb_entry(bss, addr); | |
4961 | ||
4962 | if (ret == -ENOENT) | |
4963 | return 0; | |
4964 | return ret; | |
4965 | } | |
4966 | ||
4967 | ||
4968 | void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx) | |
4969 | { | |
4970 | struct nl_msg *msg; | |
4971 | struct wpa_driver_nl80211_data *drv2; | |
4972 | ||
4973 | wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx); | |
4974 | ||
4975 | /* stop listening for EAPOL on this interface */ | |
4976 | dl_list_for_each(drv2, &drv->global->interfaces, | |
4977 | struct wpa_driver_nl80211_data, list) | |
4978 | { | |
4979 | del_ifidx(drv2, ifidx, IFIDX_ANY); | |
4980 | /* Remove all bridges learned for this iface */ | |
4981 | del_ifidx(drv2, IFIDX_ANY, ifidx); | |
4982 | } | |
4983 | ||
4984 | msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE); | |
4985 | if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) | |
4986 | return; | |
4987 | wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx); | |
4988 | } | |
4989 | ||
4990 | ||
4991 | const char * nl80211_iftype_str(enum nl80211_iftype mode) | |
4992 | { | |
4993 | switch (mode) { | |
4994 | case NL80211_IFTYPE_ADHOC: | |
4995 | return "ADHOC"; | |
4996 | case NL80211_IFTYPE_STATION: | |
4997 | return "STATION"; | |
4998 | case NL80211_IFTYPE_AP: | |
4999 | return "AP"; | |
5000 | case NL80211_IFTYPE_AP_VLAN: | |
5001 | return "AP_VLAN"; | |
5002 | case NL80211_IFTYPE_WDS: | |
5003 | return "WDS"; | |
5004 | case NL80211_IFTYPE_MONITOR: | |
5005 | return "MONITOR"; | |
5006 | case NL80211_IFTYPE_MESH_POINT: | |
5007 | return "MESH_POINT"; | |
5008 | case NL80211_IFTYPE_P2P_CLIENT: | |
5009 | return "P2P_CLIENT"; | |
5010 | case NL80211_IFTYPE_P2P_GO: | |
5011 | return "P2P_GO"; | |
5012 | case NL80211_IFTYPE_P2P_DEVICE: | |
5013 | return "P2P_DEVICE"; | |
5014 | default: | |
5015 | return "unknown"; | |
5016 | } | |
5017 | } | |
5018 | ||
5019 | ||
5020 | static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv, | |
5021 | const char *ifname, | |
5022 | enum nl80211_iftype iftype, | |
5023 | const u8 *addr, int wds, | |
5024 | int (*handler)(struct nl_msg *, void *), | |
5025 | void *arg) | |
5026 | { | |
5027 | struct nl_msg *msg; | |
5028 | int ifidx; | |
5029 | int ret = -ENOBUFS; | |
5030 | ||
5031 | wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)", | |
5032 | iftype, nl80211_iftype_str(iftype)); | |
5033 | ||
5034 | msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE); | |
5035 | if (!msg || | |
5036 | nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) || | |
5037 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype)) | |
5038 | goto fail; | |
5039 | ||
5040 | if (iftype == NL80211_IFTYPE_MONITOR) { | |
5041 | struct nlattr *flags; | |
5042 | ||
5043 | flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS); | |
5044 | if (!flags || | |
5045 | nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES)) | |
5046 | goto fail; | |
5047 | ||
5048 | nla_nest_end(msg, flags); | |
5049 | } else if (wds) { | |
5050 | if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds)) | |
5051 | goto fail; | |
5052 | } | |
5053 | ||
5054 | /* | |
5055 | * Tell cfg80211 that the interface belongs to the socket that created | |
5056 | * it, and the interface should be deleted when the socket is closed. | |
5057 | */ | |
5058 | if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER)) | |
5059 | goto fail; | |
5060 | ||
5061 | ret = send_and_recv_msgs(drv, msg, handler, arg); | |
5062 | msg = NULL; | |
5063 | if (ret) { | |
5064 | fail: | |
5065 | nlmsg_free(msg); | |
5066 | wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)", | |
5067 | ifname, ret, strerror(-ret)); | |
5068 | return ret; | |
5069 | } | |
5070 | ||
5071 | if (iftype == NL80211_IFTYPE_P2P_DEVICE) | |
5072 | return 0; | |
5073 | ||
5074 | ifidx = if_nametoindex(ifname); | |
5075 | wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d", | |
5076 | ifname, ifidx); | |
5077 | ||
5078 | if (ifidx <= 0) | |
5079 | return -1; | |
5080 | ||
5081 | /* | |
5082 | * Some virtual interfaces need to process EAPOL packets and events on | |
5083 | * the parent interface. This is used mainly with hostapd. | |
5084 | */ | |
5085 | if (drv->hostapd || | |
5086 | iftype == NL80211_IFTYPE_AP_VLAN || | |
5087 | iftype == NL80211_IFTYPE_WDS || | |
5088 | iftype == NL80211_IFTYPE_MONITOR) { | |
5089 | /* start listening for EAPOL on this interface */ | |
5090 | add_ifidx(drv, ifidx, IFIDX_ANY); | |
5091 | } | |
5092 | ||
5093 | if (addr && iftype != NL80211_IFTYPE_MONITOR && | |
5094 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) { | |
5095 | nl80211_remove_iface(drv, ifidx); | |
5096 | return -1; | |
5097 | } | |
5098 | ||
5099 | return ifidx; | |
5100 | } | |
5101 | ||
5102 | ||
5103 | int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, | |
5104 | const char *ifname, enum nl80211_iftype iftype, | |
5105 | const u8 *addr, int wds, | |
5106 | int (*handler)(struct nl_msg *, void *), | |
5107 | void *arg, int use_existing) | |
5108 | { | |
5109 | int ret; | |
5110 | ||
5111 | ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler, | |
5112 | arg); | |
5113 | ||
5114 | /* if error occurred and interface exists already */ | |
5115 | if (ret == -ENFILE && if_nametoindex(ifname)) { | |
5116 | if (use_existing) { | |
5117 | wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s", | |
5118 | ifname); | |
5119 | if (addr && iftype != NL80211_IFTYPE_MONITOR && | |
5120 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, | |
5121 | addr) < 0 && | |
5122 | (linux_set_iface_flags(drv->global->ioctl_sock, | |
5123 | ifname, 0) < 0 || | |
5124 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, | |
5125 | addr) < 0 || | |
5126 | linux_set_iface_flags(drv->global->ioctl_sock, | |
5127 | ifname, 1) < 0)) | |
5128 | return -1; | |
5129 | return -ENFILE; | |
5130 | } | |
5131 | wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname); | |
5132 | ||
5133 | /* Try to remove the interface that was already there. */ | |
5134 | nl80211_remove_iface(drv, if_nametoindex(ifname)); | |
5135 | ||
5136 | /* Try to create the interface again */ | |
5137 | ret = nl80211_create_iface_once(drv, ifname, iftype, addr, | |
5138 | wds, handler, arg); | |
5139 | } | |
5140 | ||
5141 | if (ret >= 0 && is_p2p_net_interface(iftype)) { | |
5142 | wpa_printf(MSG_DEBUG, | |
5143 | "nl80211: Interface %s created for P2P - disable 11b rates", | |
5144 | ifname); | |
5145 | nl80211_disable_11b_rates(drv, ret, 1); | |
5146 | } | |
5147 | ||
5148 | return ret; | |
5149 | } | |
5150 | ||
5151 | ||
5152 | static int nl80211_setup_ap(struct i802_bss *bss) | |
5153 | { | |
5154 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5155 | ||
5156 | wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d", | |
5157 | bss->ifname, drv->device_ap_sme, drv->use_monitor); | |
5158 | ||
5159 | /* | |
5160 | * Disable Probe Request reporting unless we need it in this way for | |
5161 | * devices that include the AP SME, in the other case (unless using | |
5162 | * monitor iface) we'll get it through the nl_mgmt socket instead. | |
5163 | */ | |
5164 | if (!drv->device_ap_sme) | |
5165 | wpa_driver_nl80211_probe_req_report(bss, 0); | |
5166 | ||
5167 | if (!drv->device_ap_sme && !drv->use_monitor) | |
5168 | if (nl80211_mgmt_subscribe_ap(bss)) | |
5169 | return -1; | |
5170 | ||
5171 | if (drv->device_ap_sme && !drv->use_monitor) | |
5172 | if (nl80211_mgmt_subscribe_ap_dev_sme(bss)) | |
5173 | wpa_printf(MSG_DEBUG, | |
5174 | "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it"); | |
5175 | ||
5176 | if (!drv->device_ap_sme && drv->use_monitor && | |
5177 | nl80211_create_monitor_interface(drv) && | |
5178 | !drv->device_ap_sme) | |
5179 | return -1; | |
5180 | ||
5181 | if (drv->device_ap_sme && | |
5182 | wpa_driver_nl80211_probe_req_report(bss, 1) < 0) { | |
5183 | wpa_printf(MSG_DEBUG, "nl80211: Failed to enable " | |
5184 | "Probe Request frame reporting in AP mode"); | |
5185 | /* Try to survive without this */ | |
5186 | } | |
5187 | ||
5188 | return 0; | |
5189 | } | |
5190 | ||
5191 | ||
5192 | static void nl80211_teardown_ap(struct i802_bss *bss) | |
5193 | { | |
5194 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5195 | ||
5196 | wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d", | |
5197 | bss->ifname, drv->device_ap_sme, drv->use_monitor); | |
5198 | if (drv->device_ap_sme) { | |
5199 | wpa_driver_nl80211_probe_req_report(bss, 0); | |
5200 | if (!drv->use_monitor) | |
5201 | nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)"); | |
5202 | } else if (drv->use_monitor) | |
5203 | nl80211_remove_monitor_interface(drv); | |
5204 | else | |
5205 | nl80211_mgmt_unsubscribe(bss, "AP teardown"); | |
5206 | ||
5207 | nl80211_put_wiphy_data_ap(bss); | |
5208 | bss->beacon_set = 0; | |
5209 | } | |
5210 | ||
5211 | ||
5212 | static int nl80211_tx_control_port(void *priv, const u8 *dest, | |
5213 | u16 proto, const u8 *buf, size_t len, | |
5214 | int no_encrypt) | |
5215 | { | |
5216 | struct i802_bss *bss = priv; | |
5217 | struct nl_msg *msg; | |
5218 | int ret; | |
5219 | ||
5220 | wpa_printf(MSG_DEBUG, | |
5221 | "nl80211: Send over control port dest=" MACSTR | |
5222 | " proto=0x%04x len=%u no_encrypt=%d", | |
5223 | MAC2STR(dest), proto, (unsigned int) len, no_encrypt); | |
5224 | ||
5225 | msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CONTROL_PORT_FRAME); | |
5226 | if (!msg || | |
5227 | nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) || | |
5228 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dest) || | |
5229 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || | |
5230 | (no_encrypt && | |
5231 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) { | |
5232 | nlmsg_free(msg); | |
5233 | return -ENOBUFS; | |
5234 | } | |
5235 | ||
5236 | ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
5237 | if (ret) | |
5238 | wpa_printf(MSG_DEBUG, | |
5239 | "nl80211: tx_control_port failed: ret=%d (%s)", | |
5240 | ret, strerror(-ret)); | |
5241 | ||
5242 | return ret; | |
5243 | } | |
5244 | ||
5245 | ||
5246 | static int nl80211_send_eapol_data(struct i802_bss *bss, | |
5247 | const u8 *addr, const u8 *data, | |
5248 | size_t data_len) | |
5249 | { | |
5250 | struct sockaddr_ll ll; | |
5251 | int ret; | |
5252 | ||
5253 | if (bss->drv->eapol_tx_sock < 0) { | |
5254 | wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL"); | |
5255 | return -1; | |
5256 | } | |
5257 | ||
5258 | os_memset(&ll, 0, sizeof(ll)); | |
5259 | ll.sll_family = AF_PACKET; | |
5260 | ll.sll_ifindex = bss->ifindex; | |
5261 | ll.sll_protocol = htons(ETH_P_PAE); | |
5262 | ll.sll_halen = ETH_ALEN; | |
5263 | os_memcpy(ll.sll_addr, addr, ETH_ALEN); | |
5264 | ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0, | |
5265 | (struct sockaddr *) &ll, sizeof(ll)); | |
5266 | if (ret < 0) | |
5267 | wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s", | |
5268 | strerror(errno)); | |
5269 | ||
5270 | return ret; | |
5271 | } | |
5272 | ||
5273 | ||
5274 | static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; | |
5275 | ||
5276 | static int wpa_driver_nl80211_hapd_send_eapol( | |
5277 | void *priv, const u8 *addr, const u8 *data, | |
5278 | size_t data_len, int encrypt, const u8 *own_addr, u32 flags) | |
5279 | { | |
5280 | struct i802_bss *bss = priv; | |
5281 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
5282 | struct ieee80211_hdr *hdr; | |
5283 | size_t len; | |
5284 | u8 *pos; | |
5285 | int res; | |
5286 | int qos = flags & WPA_STA_WMM; | |
5287 | ||
5288 | if (drv->capa.flags & WPA_DRIVER_FLAGS_CONTROL_PORT) | |
5289 | return nl80211_tx_control_port(bss, addr, ETH_P_EAPOL, | |
5290 | data, data_len, !encrypt); | |
5291 | ||
5292 | if (drv->device_ap_sme || !drv->use_monitor) | |
5293 | return nl80211_send_eapol_data(bss, addr, data, data_len); | |
5294 | ||
5295 | len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 + | |
5296 | data_len; | |
5297 | hdr = os_zalloc(len); | |
5298 | if (hdr == NULL) { | |
5299 | wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)", | |
5300 | (unsigned long) len); | |
5301 | return -1; | |
5302 | } | |
5303 | ||
5304 | hdr->frame_control = | |
5305 | IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA); | |
5306 | hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS); | |
5307 | if (encrypt) | |
5308 | hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP); | |
5309 | if (qos) { | |
5310 | hdr->frame_control |= | |
5311 | host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4); | |
5312 | } | |
5313 | ||
5314 | memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN); | |
5315 | memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); | |
5316 | memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); | |
5317 | pos = (u8 *) (hdr + 1); | |
5318 | ||
5319 | if (qos) { | |
5320 | /* Set highest priority in QoS header */ | |
5321 | pos[0] = 7; | |
5322 | pos[1] = 0; | |
5323 | pos += 2; | |
5324 | } | |
5325 | ||
5326 | memcpy(pos, rfc1042_header, sizeof(rfc1042_header)); | |
5327 | pos += sizeof(rfc1042_header); | |
5328 | WPA_PUT_BE16(pos, ETH_P_PAE); | |
5329 | pos += 2; | |
5330 | memcpy(pos, data, data_len); | |
5331 | ||
5332 | res = nl80211_send_monitor(drv, hdr, len, encrypt, 0); | |
5333 | if (res < 0) { | |
5334 | wpa_printf(MSG_ERROR, | |
5335 | "hapd_send_eapol - packet len: %lu - failed", | |
5336 | (unsigned long) len); | |
5337 | } | |
5338 | os_free(hdr); | |
5339 | ||
5340 | return res; | |
5341 | } | |
5342 | ||
5343 | ||
5344 | static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr, | |
5345 | unsigned int total_flags, | |
5346 | unsigned int flags_or, | |
5347 | unsigned int flags_and) | |
5348 | { | |
5349 | struct i802_bss *bss = priv; | |
5350 | struct nl_msg *msg; | |
5351 | struct nlattr *flags; | |
5352 | struct nl80211_sta_flag_update upd; | |
5353 | ||
5354 | wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR | |
5355 | " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d", | |
5356 | bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and, | |
5357 | !!(total_flags & WPA_STA_AUTHORIZED)); | |
5358 | ||
5359 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) || | |
5360 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
5361 | goto fail; | |
5362 | ||
5363 | /* | |
5364 | * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This | |
5365 | * can be removed eventually. | |
5366 | */ | |
5367 | flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS); | |
5368 | if (!flags || | |
5369 | ((total_flags & WPA_STA_AUTHORIZED) && | |
5370 | nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) || | |
5371 | ((total_flags & WPA_STA_WMM) && | |
5372 | nla_put_flag(msg, NL80211_STA_FLAG_WME)) || | |
5373 | ((total_flags & WPA_STA_SHORT_PREAMBLE) && | |
5374 | nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) || | |
5375 | ((total_flags & WPA_STA_MFP) && | |
5376 | nla_put_flag(msg, NL80211_STA_FLAG_MFP)) || | |
5377 | ((total_flags & WPA_STA_TDLS_PEER) && | |
5378 | nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER))) | |
5379 | goto fail; | |
5380 | ||
5381 | nla_nest_end(msg, flags); | |
5382 | ||
5383 | os_memset(&upd, 0, sizeof(upd)); | |
5384 | upd.mask = sta_flags_nl80211(flags_or | ~flags_and); | |
5385 | upd.set = sta_flags_nl80211(flags_or); | |
5386 | if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) | |
5387 | goto fail; | |
5388 | ||
5389 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
5390 | fail: | |
5391 | nlmsg_free(msg); | |
5392 | return -ENOBUFS; | |
5393 | } | |
5394 | ||
5395 | ||
5396 | static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr, | |
5397 | unsigned int weight) | |
5398 | { | |
5399 | struct i802_bss *bss = priv; | |
5400 | struct nl_msg *msg; | |
5401 | ||
5402 | wpa_printf(MSG_DEBUG, | |
5403 | "nl80211: Set STA airtime weight - ifname=%s addr=" MACSTR | |
5404 | " weight=%u", bss->ifname, MAC2STR(addr), weight); | |
5405 | ||
5406 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) || | |
5407 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
5408 | nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight)) | |
5409 | goto fail; | |
5410 | ||
5411 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
5412 | fail: | |
5413 | nlmsg_free(msg); | |
5414 | return -ENOBUFS; | |
5415 | } | |
5416 | ||
5417 | ||
5418 | static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv, | |
5419 | struct wpa_driver_associate_params *params) | |
5420 | { | |
5421 | enum nl80211_iftype nlmode, old_mode; | |
5422 | ||
5423 | if (params->p2p) { | |
5424 | wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P " | |
5425 | "group (GO)"); | |
5426 | nlmode = NL80211_IFTYPE_P2P_GO; | |
5427 | } else | |
5428 | nlmode = NL80211_IFTYPE_AP; | |
5429 | ||
5430 | old_mode = drv->nlmode; | |
5431 | if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) { | |
5432 | nl80211_remove_monitor_interface(drv); | |
5433 | return -1; | |
5434 | } | |
5435 | ||
5436 | if (params->freq.freq && | |
5437 | nl80211_set_channel(drv->first_bss, ¶ms->freq, 0)) { | |
5438 | if (old_mode != nlmode) | |
5439 | wpa_driver_nl80211_set_mode(drv->first_bss, old_mode); | |
5440 | nl80211_remove_monitor_interface(drv); | |
5441 | return -1; | |
5442 | } | |
5443 | ||
5444 | return 0; | |
5445 | } | |
5446 | ||
5447 | ||
5448 | static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv, | |
5449 | int reset_mode) | |
5450 | { | |
5451 | struct nl_msg *msg; | |
5452 | int ret; | |
5453 | ||
5454 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS); | |
5455 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5456 | if (ret) { | |
5457 | wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d " | |
5458 | "(%s)", ret, strerror(-ret)); | |
5459 | } else { | |
5460 | wpa_printf(MSG_DEBUG, | |
5461 | "nl80211: Leave IBSS request sent successfully"); | |
5462 | } | |
5463 | ||
5464 | if (reset_mode && | |
5465 | wpa_driver_nl80211_set_mode(drv->first_bss, | |
5466 | NL80211_IFTYPE_STATION)) { | |
5467 | wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " | |
5468 | "station mode"); | |
5469 | } | |
5470 | ||
5471 | return ret; | |
5472 | } | |
5473 | ||
5474 | ||
5475 | static int nl80211_ht_vht_overrides(struct nl_msg *msg, | |
5476 | struct wpa_driver_associate_params *params) | |
5477 | { | |
5478 | if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT)) | |
5479 | return -1; | |
5480 | ||
5481 | if (params->htcaps && params->htcaps_mask) { | |
5482 | int sz = sizeof(struct ieee80211_ht_capabilities); | |
5483 | wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz); | |
5484 | wpa_hexdump(MSG_DEBUG, " * htcaps_mask", | |
5485 | params->htcaps_mask, sz); | |
5486 | if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz, | |
5487 | params->htcaps) || | |
5488 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz, | |
5489 | params->htcaps_mask)) | |
5490 | return -1; | |
5491 | } | |
5492 | ||
5493 | #ifdef CONFIG_VHT_OVERRIDES | |
5494 | if (params->disable_vht) { | |
5495 | wpa_printf(MSG_DEBUG, " * VHT disabled"); | |
5496 | if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT)) | |
5497 | return -1; | |
5498 | } | |
5499 | ||
5500 | if (params->vhtcaps && params->vhtcaps_mask) { | |
5501 | int sz = sizeof(struct ieee80211_vht_capabilities); | |
5502 | wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz); | |
5503 | wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask", | |
5504 | params->vhtcaps_mask, sz); | |
5505 | if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz, | |
5506 | params->vhtcaps) || | |
5507 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz, | |
5508 | params->vhtcaps_mask)) | |
5509 | return -1; | |
5510 | } | |
5511 | #endif /* CONFIG_VHT_OVERRIDES */ | |
5512 | ||
5513 | return 0; | |
5514 | } | |
5515 | ||
5516 | ||
5517 | static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv, | |
5518 | struct wpa_driver_associate_params *params) | |
5519 | { | |
5520 | struct nl_msg *msg; | |
5521 | int ret = -1; | |
5522 | int count = 0; | |
5523 | ||
5524 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex); | |
5525 | ||
5526 | if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, ¶ms->freq)) { | |
5527 | wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " | |
5528 | "IBSS mode"); | |
5529 | return -1; | |
5530 | } | |
5531 | ||
5532 | retry: | |
5533 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) || | |
5534 | params->ssid == NULL || params->ssid_len > sizeof(drv->ssid)) | |
5535 | goto fail; | |
5536 | ||
5537 | wpa_printf(MSG_DEBUG, " * SSID=%s", | |
5538 | wpa_ssid_txt(params->ssid, params->ssid_len)); | |
5539 | if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) | |
5540 | goto fail; | |
5541 | os_memcpy(drv->ssid, params->ssid, params->ssid_len); | |
5542 | drv->ssid_len = params->ssid_len; | |
5543 | ||
5544 | if (nl80211_put_freq_params(msg, ¶ms->freq) < 0 || | |
5545 | nl80211_put_beacon_int(msg, params->beacon_int)) | |
5546 | goto fail; | |
5547 | ||
5548 | ret = nl80211_set_conn_keys(params, msg); | |
5549 | if (ret) | |
5550 | goto fail; | |
5551 | ||
5552 | if (params->bssid && params->fixed_bssid) { | |
5553 | wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR, | |
5554 | MAC2STR(params->bssid)); | |
5555 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) | |
5556 | goto fail; | |
5557 | } | |
5558 | ||
5559 | if (params->fixed_freq) { | |
5560 | wpa_printf(MSG_DEBUG, " * fixed_freq"); | |
5561 | if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED)) | |
5562 | goto fail; | |
5563 | } | |
5564 | ||
5565 | if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || | |
5566 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
5567 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || | |
5568 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) { | |
5569 | wpa_printf(MSG_DEBUG, " * control port"); | |
5570 | if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT)) | |
5571 | goto fail; | |
5572 | } | |
5573 | ||
5574 | if (params->wpa_ie) { | |
5575 | wpa_hexdump(MSG_DEBUG, | |
5576 | " * Extra IEs for Beacon/Probe Response frames", | |
5577 | params->wpa_ie, params->wpa_ie_len); | |
5578 | if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, | |
5579 | params->wpa_ie)) | |
5580 | goto fail; | |
5581 | } | |
5582 | ||
5583 | ret = nl80211_ht_vht_overrides(msg, params); | |
5584 | if (ret < 0) | |
5585 | goto fail; | |
5586 | ||
5587 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5588 | msg = NULL; | |
5589 | if (ret) { | |
5590 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)", | |
5591 | ret, strerror(-ret)); | |
5592 | count++; | |
5593 | if (ret == -EALREADY && count == 1) { | |
5594 | wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after " | |
5595 | "forced leave"); | |
5596 | nl80211_leave_ibss(drv, 0); | |
5597 | nlmsg_free(msg); | |
5598 | goto retry; | |
5599 | } | |
5600 | } else { | |
5601 | wpa_printf(MSG_DEBUG, | |
5602 | "nl80211: Join IBSS request sent successfully"); | |
5603 | } | |
5604 | ||
5605 | fail: | |
5606 | nlmsg_free(msg); | |
5607 | return ret; | |
5608 | } | |
5609 | ||
5610 | ||
5611 | static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv, | |
5612 | struct wpa_driver_associate_params *params, | |
5613 | struct nl_msg *msg) | |
5614 | { | |
5615 | if (params->fils_erp_username_len) { | |
5616 | wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username", | |
5617 | params->fils_erp_username, | |
5618 | params->fils_erp_username_len); | |
5619 | if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME, | |
5620 | params->fils_erp_username_len, | |
5621 | params->fils_erp_username)) | |
5622 | return -1; | |
5623 | } | |
5624 | ||
5625 | if (params->fils_erp_realm_len) { | |
5626 | wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm", | |
5627 | params->fils_erp_realm, | |
5628 | params->fils_erp_realm_len); | |
5629 | if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM, | |
5630 | params->fils_erp_realm_len, params->fils_erp_realm)) | |
5631 | return -1; | |
5632 | } | |
5633 | ||
5634 | wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u", | |
5635 | params->fils_erp_next_seq_num); | |
5636 | if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM, | |
5637 | params->fils_erp_next_seq_num)) | |
5638 | return -1; | |
5639 | ||
5640 | if (params->fils_erp_rrk_len) { | |
5641 | wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)", | |
5642 | (unsigned long) params->fils_erp_rrk_len); | |
5643 | if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK, | |
5644 | params->fils_erp_rrk_len, params->fils_erp_rrk)) | |
5645 | return -1; | |
5646 | } | |
5647 | ||
5648 | return 0; | |
5649 | } | |
5650 | ||
5651 | ||
5652 | static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv, | |
5653 | struct wpa_driver_associate_params *params, | |
5654 | struct nl_msg *msg) | |
5655 | { | |
5656 | if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER)) | |
5657 | return -1; | |
5658 | ||
5659 | if (params->bssid) { | |
5660 | wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, | |
5661 | MAC2STR(params->bssid)); | |
5662 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) | |
5663 | return -1; | |
5664 | } | |
5665 | ||
5666 | if (params->bssid_hint) { | |
5667 | wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR, | |
5668 | MAC2STR(params->bssid_hint)); | |
5669 | if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN, | |
5670 | params->bssid_hint)) | |
5671 | return -1; | |
5672 | } | |
5673 | ||
5674 | if (params->freq.freq) { | |
5675 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq); | |
5676 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, | |
5677 | params->freq.freq)) | |
5678 | return -1; | |
5679 | drv->assoc_freq = params->freq.freq; | |
5680 | } else | |
5681 | drv->assoc_freq = 0; | |
5682 | ||
5683 | if (params->freq_hint) { | |
5684 | wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint); | |
5685 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT, | |
5686 | params->freq_hint)) | |
5687 | return -1; | |
5688 | } | |
5689 | ||
5690 | if (params->freq.edmg.channels && params->freq.edmg.bw_config) { | |
5691 | wpa_printf(MSG_DEBUG, | |
5692 | " * EDMG configuration: channels=0x%x bw_config=%d", | |
5693 | params->freq.edmg.channels, | |
5694 | params->freq.edmg.bw_config); | |
5695 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS, | |
5696 | params->freq.edmg.channels) || | |
5697 | nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG, | |
5698 | params->freq.edmg.bw_config)) | |
5699 | return -1; | |
5700 | } | |
5701 | ||
5702 | if (params->bg_scan_period >= 0) { | |
5703 | wpa_printf(MSG_DEBUG, " * bg scan period=%d", | |
5704 | params->bg_scan_period); | |
5705 | if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD, | |
5706 | params->bg_scan_period)) | |
5707 | return -1; | |
5708 | } | |
5709 | ||
5710 | if (params->ssid) { | |
5711 | wpa_printf(MSG_DEBUG, " * SSID=%s", | |
5712 | wpa_ssid_txt(params->ssid, params->ssid_len)); | |
5713 | if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, | |
5714 | params->ssid)) | |
5715 | return -1; | |
5716 | if (params->ssid_len > sizeof(drv->ssid)) | |
5717 | return -1; | |
5718 | os_memcpy(drv->ssid, params->ssid, params->ssid_len); | |
5719 | drv->ssid_len = params->ssid_len; | |
5720 | } | |
5721 | ||
5722 | wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len); | |
5723 | if (params->wpa_ie && | |
5724 | nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie)) | |
5725 | return -1; | |
5726 | ||
5727 | if (params->wpa_proto) { | |
5728 | enum nl80211_wpa_versions ver = 0; | |
5729 | ||
5730 | if (params->wpa_proto & WPA_PROTO_WPA) | |
5731 | ver |= NL80211_WPA_VERSION_1; | |
5732 | if (params->wpa_proto & WPA_PROTO_RSN) | |
5733 | ver |= NL80211_WPA_VERSION_2; | |
5734 | ||
5735 | wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver); | |
5736 | if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver)) | |
5737 | return -1; | |
5738 | } | |
5739 | ||
5740 | if (params->pairwise_suite != WPA_CIPHER_NONE) { | |
5741 | u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite); | |
5742 | wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher); | |
5743 | if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, | |
5744 | cipher)) | |
5745 | return -1; | |
5746 | } | |
5747 | ||
5748 | if (params->group_suite == WPA_CIPHER_GTK_NOT_USED && | |
5749 | !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) { | |
5750 | /* | |
5751 | * This is likely to work even though many drivers do not | |
5752 | * advertise support for operations without GTK. | |
5753 | */ | |
5754 | wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement"); | |
5755 | } else if (params->group_suite != WPA_CIPHER_NONE) { | |
5756 | u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite); | |
5757 | wpa_printf(MSG_DEBUG, " * group=0x%x", cipher); | |
5758 | if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher)) | |
5759 | return -1; | |
5760 | } | |
5761 | ||
5762 | if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || | |
5763 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
5764 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X || | |
5765 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK || | |
5766 | params->key_mgmt_suite == WPA_KEY_MGMT_CCKM || | |
5767 | params->key_mgmt_suite == WPA_KEY_MGMT_OSEN || | |
5768 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || | |
5769 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 || | |
5770 | params->key_mgmt_suite == WPA_KEY_MGMT_SAE || | |
5771 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE || | |
5772 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B || | |
5773 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 || | |
5774 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 || | |
5775 | params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 || | |
5776 | params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 || | |
5777 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 || | |
5778 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 || | |
5779 | params->key_mgmt_suite == WPA_KEY_MGMT_OWE || | |
5780 | params->key_mgmt_suite == WPA_KEY_MGMT_DPP) { | |
5781 | int mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X; | |
5782 | ||
5783 | switch (params->key_mgmt_suite) { | |
5784 | case WPA_KEY_MGMT_CCKM: | |
5785 | mgmt = RSN_AUTH_KEY_MGMT_CCKM; | |
5786 | break; | |
5787 | case WPA_KEY_MGMT_IEEE8021X: | |
5788 | mgmt = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X; | |
5789 | break; | |
5790 | case WPA_KEY_MGMT_FT_IEEE8021X: | |
5791 | mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X; | |
5792 | break; | |
5793 | case WPA_KEY_MGMT_FT_PSK: | |
5794 | mgmt = RSN_AUTH_KEY_MGMT_FT_PSK; | |
5795 | break; | |
5796 | case WPA_KEY_MGMT_IEEE8021X_SHA256: | |
5797 | mgmt = RSN_AUTH_KEY_MGMT_802_1X_SHA256; | |
5798 | break; | |
5799 | case WPA_KEY_MGMT_PSK_SHA256: | |
5800 | mgmt = RSN_AUTH_KEY_MGMT_PSK_SHA256; | |
5801 | break; | |
5802 | case WPA_KEY_MGMT_OSEN: | |
5803 | mgmt = RSN_AUTH_KEY_MGMT_OSEN; | |
5804 | break; | |
5805 | case WPA_KEY_MGMT_SAE: | |
5806 | mgmt = RSN_AUTH_KEY_MGMT_SAE; | |
5807 | break; | |
5808 | case WPA_KEY_MGMT_FT_SAE: | |
5809 | mgmt = RSN_AUTH_KEY_MGMT_FT_SAE; | |
5810 | break; | |
5811 | case WPA_KEY_MGMT_IEEE8021X_SUITE_B: | |
5812 | mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B; | |
5813 | break; | |
5814 | case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192: | |
5815 | mgmt = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192; | |
5816 | break; | |
5817 | case WPA_KEY_MGMT_FT_IEEE8021X_SHA384: | |
5818 | mgmt = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384; | |
5819 | break; | |
5820 | case WPA_KEY_MGMT_FILS_SHA256: | |
5821 | mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA256; | |
5822 | break; | |
5823 | case WPA_KEY_MGMT_FILS_SHA384: | |
5824 | mgmt = RSN_AUTH_KEY_MGMT_FILS_SHA384; | |
5825 | break; | |
5826 | case WPA_KEY_MGMT_FT_FILS_SHA256: | |
5827 | mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256; | |
5828 | break; | |
5829 | case WPA_KEY_MGMT_FT_FILS_SHA384: | |
5830 | mgmt = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384; | |
5831 | break; | |
5832 | case WPA_KEY_MGMT_OWE: | |
5833 | mgmt = RSN_AUTH_KEY_MGMT_OWE; | |
5834 | break; | |
5835 | case WPA_KEY_MGMT_DPP: | |
5836 | mgmt = RSN_AUTH_KEY_MGMT_DPP; | |
5837 | break; | |
5838 | case WPA_KEY_MGMT_PSK: | |
5839 | default: | |
5840 | mgmt = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X; | |
5841 | break; | |
5842 | } | |
5843 | wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt); | |
5844 | if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt)) | |
5845 | return -1; | |
5846 | } | |
5847 | ||
5848 | if (params->req_handshake_offload && | |
5849 | (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) { | |
5850 | wpa_printf(MSG_DEBUG, " * WANT_1X_4WAY_HS"); | |
5851 | if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS)) | |
5852 | return -1; | |
5853 | } | |
5854 | ||
5855 | /* Add PSK in case of 4-way handshake offload */ | |
5856 | if (params->psk && | |
5857 | (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) { | |
5858 | wpa_hexdump_key(MSG_DEBUG, " * PSK", params->psk, 32); | |
5859 | if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk)) | |
5860 | return -1; | |
5861 | } | |
5862 | ||
5863 | if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT)) | |
5864 | return -1; | |
5865 | ||
5866 | if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA && | |
5867 | (params->pairwise_suite == WPA_CIPHER_NONE || | |
5868 | params->pairwise_suite == WPA_CIPHER_WEP104 || | |
5869 | params->pairwise_suite == WPA_CIPHER_WEP40) && | |
5870 | (nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) || | |
5871 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) | |
5872 | return -1; | |
5873 | ||
5874 | if (params->rrm_used) { | |
5875 | u32 drv_rrm_flags = drv->capa.rrm_flags; | |
5876 | if ((!((drv_rrm_flags & | |
5877 | WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) && | |
5878 | (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) && | |
5879 | !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) || | |
5880 | nla_put_flag(msg, NL80211_ATTR_USE_RRM)) | |
5881 | return -1; | |
5882 | } | |
5883 | ||
5884 | if (nl80211_ht_vht_overrides(msg, params) < 0) | |
5885 | return -1; | |
5886 | ||
5887 | if (params->p2p) | |
5888 | wpa_printf(MSG_DEBUG, " * P2P group"); | |
5889 | ||
5890 | if (params->pbss) { | |
5891 | wpa_printf(MSG_DEBUG, " * PBSS"); | |
5892 | if (nla_put_flag(msg, NL80211_ATTR_PBSS)) | |
5893 | return -1; | |
5894 | } | |
5895 | ||
5896 | drv->connect_reassoc = 0; | |
5897 | if (params->prev_bssid) { | |
5898 | wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR, | |
5899 | MAC2STR(params->prev_bssid)); | |
5900 | if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN, | |
5901 | params->prev_bssid)) | |
5902 | return -1; | |
5903 | drv->connect_reassoc = 1; | |
5904 | } | |
5905 | ||
5906 | if ((params->auth_alg & WPA_AUTH_ALG_FILS) && | |
5907 | nl80211_put_fils_connect_params(drv, params, msg) != 0) | |
5908 | return -1; | |
5909 | ||
5910 | if ((params->key_mgmt_suite == WPA_KEY_MGMT_SAE || | |
5911 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) && | |
5912 | (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) && | |
5913 | nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT)) | |
5914 | return -1; | |
5915 | ||
5916 | return 0; | |
5917 | } | |
5918 | ||
5919 | ||
5920 | static int wpa_driver_nl80211_try_connect( | |
5921 | struct wpa_driver_nl80211_data *drv, | |
5922 | struct wpa_driver_associate_params *params, | |
5923 | struct nl_sock *nl_connect) | |
5924 | { | |
5925 | struct nl_msg *msg; | |
5926 | enum nl80211_auth_type type; | |
5927 | int ret; | |
5928 | int algs; | |
5929 | ||
5930 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
5931 | if (params->req_key_mgmt_offload && params->psk && | |
5932 | (params->key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
5933 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 || | |
5934 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) { | |
5935 | wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK"); | |
5936 | ret = issue_key_mgmt_set_key(drv, params->psk, 32); | |
5937 | if (ret) | |
5938 | return ret; | |
5939 | } | |
5940 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
5941 | ||
5942 | wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex); | |
5943 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT); | |
5944 | if (!msg) | |
5945 | return -1; | |
5946 | ||
5947 | ret = nl80211_connect_common(drv, params, msg); | |
5948 | if (ret) | |
5949 | goto fail; | |
5950 | ||
5951 | if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED && | |
5952 | nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED)) | |
5953 | goto fail; | |
5954 | ||
5955 | if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL && | |
5956 | (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) && | |
5957 | nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL)) | |
5958 | goto fail; | |
5959 | ||
5960 | algs = 0; | |
5961 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) | |
5962 | algs++; | |
5963 | if (params->auth_alg & WPA_AUTH_ALG_SHARED) | |
5964 | algs++; | |
5965 | if (params->auth_alg & WPA_AUTH_ALG_LEAP) | |
5966 | algs++; | |
5967 | if (params->auth_alg & WPA_AUTH_ALG_FILS) | |
5968 | algs++; | |
5969 | if (params->auth_alg & WPA_AUTH_ALG_FT) | |
5970 | algs++; | |
5971 | if (algs > 1) { | |
5972 | wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic " | |
5973 | "selection"); | |
5974 | goto skip_auth_type; | |
5975 | } | |
5976 | ||
5977 | type = get_nl_auth_type(params->auth_alg); | |
5978 | wpa_printf(MSG_DEBUG, " * Auth Type %d", type); | |
5979 | if (type == NL80211_AUTHTYPE_MAX || | |
5980 | nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type)) | |
5981 | goto fail; | |
5982 | ||
5983 | skip_auth_type: | |
5984 | ret = nl80211_set_conn_keys(params, msg); | |
5985 | if (ret) | |
5986 | goto fail; | |
5987 | ||
5988 | if (nl_connect) | |
5989 | ret = send_and_recv(drv->global, nl_connect, msg, | |
5990 | NULL, (void *) -1); | |
5991 | else | |
5992 | ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1); | |
5993 | ||
5994 | msg = NULL; | |
5995 | if (ret) { | |
5996 | wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d " | |
5997 | "(%s)", ret, strerror(-ret)); | |
5998 | } else { | |
5999 | wpa_printf(MSG_DEBUG, | |
6000 | "nl80211: Connect request send successfully"); | |
6001 | } | |
6002 | ||
6003 | fail: | |
6004 | nl80211_nlmsg_clear(msg); | |
6005 | nlmsg_free(msg); | |
6006 | return ret; | |
6007 | ||
6008 | } | |
6009 | ||
6010 | ||
6011 | static int wpa_driver_nl80211_connect( | |
6012 | struct wpa_driver_nl80211_data *drv, | |
6013 | struct wpa_driver_associate_params *params, | |
6014 | struct nl_sock *nl_connect) | |
6015 | { | |
6016 | int ret; | |
6017 | ||
6018 | /* Store the connection attempted bssid for future use */ | |
6019 | if (params->bssid) | |
6020 | os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN); | |
6021 | else | |
6022 | os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN); | |
6023 | ||
6024 | ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect); | |
6025 | if (ret == -EALREADY) { | |
6026 | /* | |
6027 | * cfg80211 does not currently accept new connections if | |
6028 | * we are already connected. As a workaround, force | |
6029 | * disconnection and try again. | |
6030 | */ | |
6031 | wpa_printf(MSG_DEBUG, "nl80211: Explicitly " | |
6032 | "disconnecting before reassociation " | |
6033 | "attempt"); | |
6034 | if (wpa_driver_nl80211_disconnect( | |
6035 | drv, WLAN_REASON_PREV_AUTH_NOT_VALID, nl_connect)) | |
6036 | return -1; | |
6037 | ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect); | |
6038 | } | |
6039 | return ret; | |
6040 | } | |
6041 | ||
6042 | ||
6043 | static int wpa_driver_nl80211_associate( | |
6044 | void *priv, struct wpa_driver_associate_params *params) | |
6045 | { | |
6046 | struct i802_bss *bss = priv; | |
6047 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6048 | int ret = -1; | |
6049 | struct nl_msg *msg; | |
6050 | ||
6051 | nl80211_unmask_11b_rates(bss); | |
6052 | ||
6053 | if (params->mode == IEEE80211_MODE_AP) | |
6054 | return wpa_driver_nl80211_ap(drv, params); | |
6055 | ||
6056 | if (params->mode == IEEE80211_MODE_IBSS) | |
6057 | return wpa_driver_nl80211_ibss(drv, params); | |
6058 | ||
6059 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) { | |
6060 | enum nl80211_iftype nlmode = params->p2p ? | |
6061 | NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; | |
6062 | struct nl_sock *nl_connect = NULL; | |
6063 | ||
6064 | if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0) | |
6065 | return -1; | |
6066 | if (params->key_mgmt_suite == WPA_KEY_MGMT_SAE || | |
6067 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE) { | |
6068 | nl_connect = bss->nl_connect; | |
6069 | bss->use_nl_connect = 1; | |
6070 | } else { | |
6071 | bss->use_nl_connect = 0; | |
6072 | } | |
6073 | ||
6074 | return wpa_driver_nl80211_connect(drv, params, nl_connect); | |
6075 | } | |
6076 | ||
6077 | nl80211_mark_disconnected(drv); | |
6078 | ||
6079 | wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)", | |
6080 | drv->ifindex); | |
6081 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE); | |
6082 | if (!msg) | |
6083 | return -1; | |
6084 | ||
6085 | ret = nl80211_connect_common(drv, params, msg); | |
6086 | if (ret) | |
6087 | goto fail; | |
6088 | ||
6089 | if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED && | |
6090 | nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED)) | |
6091 | goto fail; | |
6092 | ||
6093 | if (params->fils_kek) { | |
6094 | wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)", | |
6095 | (unsigned int) params->fils_kek_len); | |
6096 | if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len, | |
6097 | params->fils_kek)) | |
6098 | goto fail; | |
6099 | } | |
6100 | if (params->fils_nonces) { | |
6101 | wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)", | |
6102 | params->fils_nonces, | |
6103 | params->fils_nonces_len); | |
6104 | if (nla_put(msg, NL80211_ATTR_FILS_NONCES, | |
6105 | params->fils_nonces_len, params->fils_nonces)) | |
6106 | goto fail; | |
6107 | } | |
6108 | ||
6109 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6110 | msg = NULL; | |
6111 | if (ret) { | |
6112 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
6113 | "nl80211: MLME command failed (assoc): ret=%d (%s)", | |
6114 | ret, strerror(-ret)); | |
6115 | nl80211_dump_scan(drv); | |
6116 | } else { | |
6117 | wpa_printf(MSG_DEBUG, | |
6118 | "nl80211: Association request send successfully"); | |
6119 | } | |
6120 | ||
6121 | fail: | |
6122 | nlmsg_free(msg); | |
6123 | return ret; | |
6124 | } | |
6125 | ||
6126 | ||
6127 | static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv, | |
6128 | int ifindex, enum nl80211_iftype mode) | |
6129 | { | |
6130 | struct nl_msg *msg; | |
6131 | int ret = -ENOBUFS; | |
6132 | ||
6133 | wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)", | |
6134 | ifindex, mode, nl80211_iftype_str(mode)); | |
6135 | ||
6136 | msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE); | |
6137 | if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode)) | |
6138 | goto fail; | |
6139 | ||
6140 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6141 | msg = NULL; | |
6142 | if (!ret) | |
6143 | return 0; | |
6144 | fail: | |
6145 | nlmsg_free(msg); | |
6146 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:" | |
6147 | " %d (%s)", ifindex, mode, ret, strerror(-ret)); | |
6148 | return ret; | |
6149 | } | |
6150 | ||
6151 | ||
6152 | static int wpa_driver_nl80211_set_mode_impl( | |
6153 | struct i802_bss *bss, | |
6154 | enum nl80211_iftype nlmode, | |
6155 | struct hostapd_freq_params *desired_freq_params) | |
6156 | { | |
6157 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6158 | int ret = -1; | |
6159 | int i; | |
6160 | int was_ap = is_ap_interface(drv->nlmode); | |
6161 | int res; | |
6162 | int mode_switch_res; | |
6163 | ||
6164 | if (TEST_FAIL()) | |
6165 | return -1; | |
6166 | ||
6167 | mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode); | |
6168 | if (mode_switch_res && nlmode == nl80211_get_ifmode(bss)) | |
6169 | mode_switch_res = 0; | |
6170 | ||
6171 | if (mode_switch_res == 0) { | |
6172 | drv->nlmode = nlmode; | |
6173 | ret = 0; | |
6174 | goto done; | |
6175 | } | |
6176 | ||
6177 | if (mode_switch_res == -ENODEV) | |
6178 | return -1; | |
6179 | ||
6180 | if (nlmode == drv->nlmode) { | |
6181 | wpa_printf(MSG_DEBUG, "nl80211: Interface already in " | |
6182 | "requested mode - ignore error"); | |
6183 | ret = 0; | |
6184 | goto done; /* Already in the requested mode */ | |
6185 | } | |
6186 | ||
6187 | /* mac80211 doesn't allow mode changes while the device is up, so | |
6188 | * take the device down, try to set the mode again, and bring the | |
6189 | * device back up. | |
6190 | */ | |
6191 | wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting " | |
6192 | "interface down"); | |
6193 | for (i = 0; i < 10; i++) { | |
6194 | res = i802_set_iface_flags(bss, 0); | |
6195 | if (res == -EACCES || res == -ENODEV) | |
6196 | break; | |
6197 | if (res != 0) { | |
6198 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set " | |
6199 | "interface down"); | |
6200 | os_sleep(0, 100000); | |
6201 | continue; | |
6202 | } | |
6203 | ||
6204 | /* | |
6205 | * Setting the mode will fail for some drivers if the phy is | |
6206 | * on a frequency that the mode is disallowed in. | |
6207 | */ | |
6208 | if (desired_freq_params) { | |
6209 | res = nl80211_set_channel(bss, desired_freq_params, 0); | |
6210 | if (res) { | |
6211 | wpa_printf(MSG_DEBUG, | |
6212 | "nl80211: Failed to set frequency on interface"); | |
6213 | } | |
6214 | } | |
6215 | ||
6216 | /* Try to set the mode again while the interface is down */ | |
6217 | mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode); | |
6218 | if (mode_switch_res == -EBUSY) { | |
6219 | wpa_printf(MSG_DEBUG, | |
6220 | "nl80211: Delaying mode set while interface going down"); | |
6221 | os_sleep(0, 100000); | |
6222 | continue; | |
6223 | } | |
6224 | ret = mode_switch_res; | |
6225 | break; | |
6226 | } | |
6227 | ||
6228 | if (!ret) { | |
6229 | wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while " | |
6230 | "interface is down"); | |
6231 | drv->nlmode = nlmode; | |
6232 | drv->ignore_if_down_event = 1; | |
6233 | } | |
6234 | ||
6235 | /* Bring the interface back up */ | |
6236 | res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1); | |
6237 | if (res != 0) { | |
6238 | wpa_printf(MSG_DEBUG, | |
6239 | "nl80211: Failed to set interface up after switching mode"); | |
6240 | ret = -1; | |
6241 | } | |
6242 | ||
6243 | done: | |
6244 | if (ret) { | |
6245 | wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d " | |
6246 | "from %d failed", nlmode, drv->nlmode); | |
6247 | return ret; | |
6248 | } | |
6249 | ||
6250 | if (is_p2p_net_interface(nlmode)) { | |
6251 | wpa_printf(MSG_DEBUG, | |
6252 | "nl80211: Interface %s mode change to P2P - disable 11b rates", | |
6253 | bss->ifname); | |
6254 | nl80211_disable_11b_rates(drv, drv->ifindex, 1); | |
6255 | } else if (drv->disabled_11b_rates) { | |
6256 | wpa_printf(MSG_DEBUG, | |
6257 | "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates", | |
6258 | bss->ifname); | |
6259 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); | |
6260 | } | |
6261 | ||
6262 | if (is_ap_interface(nlmode)) { | |
6263 | nl80211_mgmt_unsubscribe(bss, "start AP"); | |
6264 | /* Setup additional AP mode functionality if needed */ | |
6265 | if (nl80211_setup_ap(bss)) | |
6266 | return -1; | |
6267 | } else if (was_ap) { | |
6268 | /* Remove additional AP mode functionality */ | |
6269 | nl80211_teardown_ap(bss); | |
6270 | } else { | |
6271 | nl80211_mgmt_unsubscribe(bss, "mode change"); | |
6272 | } | |
6273 | ||
6274 | if (is_mesh_interface(nlmode) && | |
6275 | nl80211_mgmt_subscribe_mesh(bss)) | |
6276 | return -1; | |
6277 | ||
6278 | if (!bss->in_deinit && !is_ap_interface(nlmode) && | |
6279 | !is_mesh_interface(nlmode) && | |
6280 | nl80211_mgmt_subscribe_non_ap(bss) < 0) | |
6281 | wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action " | |
6282 | "frame processing - ignore for now"); | |
6283 | ||
6284 | return 0; | |
6285 | } | |
6286 | ||
6287 | ||
6288 | int wpa_driver_nl80211_set_mode(struct i802_bss *bss, | |
6289 | enum nl80211_iftype nlmode) | |
6290 | { | |
6291 | return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL); | |
6292 | } | |
6293 | ||
6294 | ||
6295 | static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss, | |
6296 | struct hostapd_freq_params *freq) | |
6297 | { | |
6298 | return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC, | |
6299 | freq); | |
6300 | } | |
6301 | ||
6302 | ||
6303 | static int wpa_driver_nl80211_get_capa(void *priv, | |
6304 | struct wpa_driver_capa *capa) | |
6305 | { | |
6306 | struct i802_bss *bss = priv; | |
6307 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6308 | ||
6309 | if (!drv->has_capability) | |
6310 | return -1; | |
6311 | os_memcpy(capa, &drv->capa, sizeof(*capa)); | |
6312 | if (drv->extended_capa && drv->extended_capa_mask) { | |
6313 | capa->extended_capa = drv->extended_capa; | |
6314 | capa->extended_capa_mask = drv->extended_capa_mask; | |
6315 | capa->extended_capa_len = drv->extended_capa_len; | |
6316 | } | |
6317 | ||
6318 | return 0; | |
6319 | } | |
6320 | ||
6321 | ||
6322 | static int wpa_driver_nl80211_set_operstate(void *priv, int state) | |
6323 | { | |
6324 | struct i802_bss *bss = priv; | |
6325 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6326 | ||
6327 | wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)", | |
6328 | bss->ifname, drv->operstate, state, | |
6329 | state ? "UP" : "DORMANT"); | |
6330 | drv->operstate = state; | |
6331 | return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1, | |
6332 | state ? IF_OPER_UP : IF_OPER_DORMANT); | |
6333 | } | |
6334 | ||
6335 | ||
6336 | static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized) | |
6337 | { | |
6338 | struct i802_bss *bss = priv; | |
6339 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6340 | struct nl_msg *msg; | |
6341 | struct nl80211_sta_flag_update upd; | |
6342 | int ret; | |
6343 | ||
6344 | if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) { | |
6345 | wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated"); | |
6346 | return 0; | |
6347 | } | |
6348 | ||
6349 | wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for " | |
6350 | MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid)); | |
6351 | ||
6352 | os_memset(&upd, 0, sizeof(upd)); | |
6353 | upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED); | |
6354 | if (authorized) | |
6355 | upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED); | |
6356 | ||
6357 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) || | |
6358 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) || | |
6359 | nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) { | |
6360 | nlmsg_free(msg); | |
6361 | return -ENOBUFS; | |
6362 | } | |
6363 | ||
6364 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6365 | if (!ret) | |
6366 | return 0; | |
6367 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)", | |
6368 | ret, strerror(-ret)); | |
6369 | return ret; | |
6370 | } | |
6371 | ||
6372 | ||
6373 | /* Set kernel driver on given frequency (MHz) */ | |
6374 | static int i802_set_freq(void *priv, struct hostapd_freq_params *freq) | |
6375 | { | |
6376 | struct i802_bss *bss = priv; | |
6377 | return nl80211_set_channel(bss, freq, 0); | |
6378 | } | |
6379 | ||
6380 | ||
6381 | static inline int min_int(int a, int b) | |
6382 | { | |
6383 | if (a < b) | |
6384 | return a; | |
6385 | return b; | |
6386 | } | |
6387 | ||
6388 | ||
6389 | static int get_key_handler(struct nl_msg *msg, void *arg) | |
6390 | { | |
6391 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
6392 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
6393 | ||
6394 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
6395 | genlmsg_attrlen(gnlh, 0), NULL); | |
6396 | ||
6397 | /* | |
6398 | * TODO: validate the key index and mac address! | |
6399 | * Otherwise, there's a race condition as soon as | |
6400 | * the kernel starts sending key notifications. | |
6401 | */ | |
6402 | ||
6403 | if (tb[NL80211_ATTR_KEY_SEQ]) | |
6404 | memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]), | |
6405 | min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6)); | |
6406 | nl80211_nlmsg_clear(msg); | |
6407 | return NL_SKIP; | |
6408 | } | |
6409 | ||
6410 | ||
6411 | static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr, | |
6412 | int idx, u8 *seq) | |
6413 | { | |
6414 | struct i802_bss *bss = priv; | |
6415 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6416 | struct nl_msg *msg; | |
6417 | ||
6418 | msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0, | |
6419 | NL80211_CMD_GET_KEY); | |
6420 | if (!msg || | |
6421 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
6422 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) { | |
6423 | nlmsg_free(msg); | |
6424 | return -ENOBUFS; | |
6425 | } | |
6426 | ||
6427 | memset(seq, 0, 6); | |
6428 | ||
6429 | return send_and_recv_msgs(drv, msg, get_key_handler, seq); | |
6430 | } | |
6431 | ||
6432 | ||
6433 | static int i802_set_rts(void *priv, int rts) | |
6434 | { | |
6435 | struct i802_bss *bss = priv; | |
6436 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6437 | struct nl_msg *msg; | |
6438 | int ret; | |
6439 | u32 val; | |
6440 | ||
6441 | if (rts >= 2347 || rts == -1) | |
6442 | val = (u32) -1; | |
6443 | else | |
6444 | val = rts; | |
6445 | ||
6446 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) || | |
6447 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) { | |
6448 | nlmsg_free(msg); | |
6449 | return -ENOBUFS; | |
6450 | } | |
6451 | ||
6452 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6453 | if (!ret) | |
6454 | return 0; | |
6455 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: " | |
6456 | "%d (%s)", rts, ret, strerror(-ret)); | |
6457 | return ret; | |
6458 | } | |
6459 | ||
6460 | ||
6461 | static int i802_set_frag(void *priv, int frag) | |
6462 | { | |
6463 | struct i802_bss *bss = priv; | |
6464 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6465 | struct nl_msg *msg; | |
6466 | int ret; | |
6467 | u32 val; | |
6468 | ||
6469 | if (frag >= 2346 || frag == -1) | |
6470 | val = (u32) -1; | |
6471 | else | |
6472 | val = frag; | |
6473 | ||
6474 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) || | |
6475 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) { | |
6476 | nlmsg_free(msg); | |
6477 | return -ENOBUFS; | |
6478 | } | |
6479 | ||
6480 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6481 | if (!ret) | |
6482 | return 0; | |
6483 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold " | |
6484 | "%d: %d (%s)", frag, ret, strerror(-ret)); | |
6485 | return ret; | |
6486 | } | |
6487 | ||
6488 | ||
6489 | static int i802_flush(void *priv) | |
6490 | { | |
6491 | struct i802_bss *bss = priv; | |
6492 | struct nl_msg *msg; | |
6493 | int res; | |
6494 | ||
6495 | wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)", | |
6496 | bss->ifname); | |
6497 | ||
6498 | /* | |
6499 | * XXX: FIX! this needs to flush all VLANs too | |
6500 | */ | |
6501 | msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION); | |
6502 | res = send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
6503 | if (res) { | |
6504 | wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d " | |
6505 | "(%s)", res, strerror(-res)); | |
6506 | } | |
6507 | return res; | |
6508 | } | |
6509 | ||
6510 | ||
6511 | static void get_sta_tid_stats(struct hostap_sta_driver_data *data, | |
6512 | struct nlattr *attr) | |
6513 | { | |
6514 | struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr; | |
6515 | struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1]; | |
6516 | static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = { | |
6517 | [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 }, | |
6518 | [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 }, | |
6519 | }; | |
6520 | int rem; | |
6521 | ||
6522 | nla_for_each_nested(tidattr, attr, rem) { | |
6523 | if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX, | |
6524 | tidattr, NULL) != 0 || | |
6525 | !tid_stats[NL80211_TID_STATS_TXQ_STATS] || | |
6526 | nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX, | |
6527 | tid_stats[NL80211_TID_STATS_TXQ_STATS], | |
6528 | txq_stats_policy) != 0) | |
6529 | continue; | |
6530 | /* sum the backlogs over all TIDs for station */ | |
6531 | if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]) | |
6532 | data->backlog_bytes += nla_get_u32( | |
6533 | txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]); | |
6534 | if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]) | |
6535 | data->backlog_bytes += nla_get_u32( | |
6536 | txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]); | |
6537 | } | |
6538 | } | |
6539 | ||
6540 | ||
6541 | static int get_sta_handler(struct nl_msg *msg, void *arg) | |
6542 | { | |
6543 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
6544 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
6545 | struct hostap_sta_driver_data *data = arg; | |
6546 | struct nlattr *stats[NL80211_STA_INFO_MAX + 1]; | |
6547 | static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = { | |
6548 | [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 }, | |
6549 | [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 }, | |
6550 | [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 }, | |
6551 | [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 }, | |
6552 | [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 }, | |
6553 | [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 }, | |
6554 | [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 }, | |
6555 | [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 }, | |
6556 | [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 }, | |
6557 | [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 }, | |
6558 | [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 }, | |
6559 | [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 }, | |
6560 | }; | |
6561 | struct nlattr *rate[NL80211_RATE_INFO_MAX + 1]; | |
6562 | static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = { | |
6563 | [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 }, | |
6564 | [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 }, | |
6565 | [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 }, | |
6566 | [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 }, | |
6567 | [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG }, | |
6568 | [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 }, | |
6569 | }; | |
6570 | ||
6571 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
6572 | genlmsg_attrlen(gnlh, 0), NULL); | |
6573 | ||
6574 | /* | |
6575 | * TODO: validate the interface and mac address! | |
6576 | * Otherwise, there's a race condition as soon as | |
6577 | * the kernel starts sending station notifications. | |
6578 | */ | |
6579 | ||
6580 | if (!tb[NL80211_ATTR_STA_INFO]) { | |
6581 | wpa_printf(MSG_DEBUG, "sta stats missing!"); | |
6582 | return NL_SKIP; | |
6583 | } | |
6584 | if (nla_parse_nested(stats, NL80211_STA_INFO_MAX, | |
6585 | tb[NL80211_ATTR_STA_INFO], | |
6586 | stats_policy)) { | |
6587 | wpa_printf(MSG_DEBUG, "failed to parse nested attributes!"); | |
6588 | return NL_SKIP; | |
6589 | } | |
6590 | ||
6591 | if (stats[NL80211_STA_INFO_INACTIVE_TIME]) | |
6592 | data->inactive_msec = | |
6593 | nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]); | |
6594 | /* For backwards compatibility, fetch the 32-bit counters first. */ | |
6595 | if (stats[NL80211_STA_INFO_RX_BYTES]) | |
6596 | data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]); | |
6597 | if (stats[NL80211_STA_INFO_TX_BYTES]) | |
6598 | data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]); | |
6599 | if (stats[NL80211_STA_INFO_RX_BYTES64] && | |
6600 | stats[NL80211_STA_INFO_TX_BYTES64]) { | |
6601 | /* | |
6602 | * The driver supports 64-bit counters, so use them to override | |
6603 | * the 32-bit values. | |
6604 | */ | |
6605 | data->rx_bytes = | |
6606 | nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]); | |
6607 | data->tx_bytes = | |
6608 | nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]); | |
6609 | data->bytes_64bit = 1; | |
6610 | } | |
6611 | if (stats[NL80211_STA_INFO_RX_PACKETS]) | |
6612 | data->rx_packets = | |
6613 | nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]); | |
6614 | if (stats[NL80211_STA_INFO_TX_PACKETS]) | |
6615 | data->tx_packets = | |
6616 | nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]); | |
6617 | if (stats[NL80211_STA_INFO_RX_DURATION]) | |
6618 | data->rx_airtime = | |
6619 | nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]); | |
6620 | if (stats[NL80211_STA_INFO_TX_DURATION]) | |
6621 | data->tx_airtime = | |
6622 | nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]); | |
6623 | if (stats[NL80211_STA_INFO_TX_FAILED]) | |
6624 | data->tx_retry_failed = | |
6625 | nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]); | |
6626 | if (stats[NL80211_STA_INFO_SIGNAL]) | |
6627 | data->signal = nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]); | |
6628 | if (stats[NL80211_STA_INFO_ACK_SIGNAL]) { | |
6629 | data->last_ack_rssi = | |
6630 | nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]); | |
6631 | data->flags |= STA_DRV_DATA_LAST_ACK_RSSI; | |
6632 | } | |
6633 | ||
6634 | if (stats[NL80211_STA_INFO_TX_BITRATE] && | |
6635 | nla_parse_nested(rate, NL80211_RATE_INFO_MAX, | |
6636 | stats[NL80211_STA_INFO_TX_BITRATE], | |
6637 | rate_policy) == 0) { | |
6638 | if (rate[NL80211_RATE_INFO_BITRATE32]) | |
6639 | data->current_tx_rate = | |
6640 | nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]); | |
6641 | else if (rate[NL80211_RATE_INFO_BITRATE]) | |
6642 | data->current_tx_rate = | |
6643 | nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]); | |
6644 | ||
6645 | if (rate[NL80211_RATE_INFO_MCS]) { | |
6646 | data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]); | |
6647 | data->flags |= STA_DRV_DATA_TX_MCS; | |
6648 | } | |
6649 | if (rate[NL80211_RATE_INFO_VHT_MCS]) { | |
6650 | data->tx_vhtmcs = | |
6651 | nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]); | |
6652 | data->flags |= STA_DRV_DATA_TX_VHT_MCS; | |
6653 | } | |
6654 | if (rate[NL80211_RATE_INFO_SHORT_GI]) | |
6655 | data->flags |= STA_DRV_DATA_TX_SHORT_GI; | |
6656 | if (rate[NL80211_RATE_INFO_VHT_NSS]) { | |
6657 | data->tx_vht_nss = | |
6658 | nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]); | |
6659 | data->flags |= STA_DRV_DATA_TX_VHT_NSS; | |
6660 | } | |
6661 | } | |
6662 | ||
6663 | if (stats[NL80211_STA_INFO_RX_BITRATE] && | |
6664 | nla_parse_nested(rate, NL80211_RATE_INFO_MAX, | |
6665 | stats[NL80211_STA_INFO_RX_BITRATE], | |
6666 | rate_policy) == 0) { | |
6667 | if (rate[NL80211_RATE_INFO_BITRATE32]) | |
6668 | data->current_rx_rate = | |
6669 | nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]); | |
6670 | else if (rate[NL80211_RATE_INFO_BITRATE]) | |
6671 | data->current_rx_rate = | |
6672 | nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]); | |
6673 | ||
6674 | if (rate[NL80211_RATE_INFO_MCS]) { | |
6675 | data->rx_mcs = | |
6676 | nla_get_u8(rate[NL80211_RATE_INFO_MCS]); | |
6677 | data->flags |= STA_DRV_DATA_RX_MCS; | |
6678 | } | |
6679 | if (rate[NL80211_RATE_INFO_VHT_MCS]) { | |
6680 | data->rx_vhtmcs = | |
6681 | nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]); | |
6682 | data->flags |= STA_DRV_DATA_RX_VHT_MCS; | |
6683 | } | |
6684 | if (rate[NL80211_RATE_INFO_SHORT_GI]) | |
6685 | data->flags |= STA_DRV_DATA_RX_SHORT_GI; | |
6686 | if (rate[NL80211_RATE_INFO_VHT_NSS]) { | |
6687 | data->rx_vht_nss = | |
6688 | nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]); | |
6689 | data->flags |= STA_DRV_DATA_RX_VHT_NSS; | |
6690 | } | |
6691 | } | |
6692 | ||
6693 | if (stats[NL80211_STA_INFO_TID_STATS]) | |
6694 | get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]); | |
6695 | ||
6696 | return NL_SKIP; | |
6697 | } | |
6698 | ||
6699 | static int i802_read_sta_data(struct i802_bss *bss, | |
6700 | struct hostap_sta_driver_data *data, | |
6701 | const u8 *addr) | |
6702 | { | |
6703 | struct nl_msg *msg; | |
6704 | ||
6705 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) || | |
6706 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) { | |
6707 | nlmsg_free(msg); | |
6708 | return -ENOBUFS; | |
6709 | } | |
6710 | ||
6711 | return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data); | |
6712 | } | |
6713 | ||
6714 | ||
6715 | static int i802_set_tx_queue_params(void *priv, int queue, int aifs, | |
6716 | int cw_min, int cw_max, int burst_time) | |
6717 | { | |
6718 | struct i802_bss *bss = priv; | |
6719 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6720 | struct nl_msg *msg; | |
6721 | struct nlattr *txq, *params; | |
6722 | int res; | |
6723 | ||
6724 | msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY); | |
6725 | if (!msg) | |
6726 | return -1; | |
6727 | ||
6728 | txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS); | |
6729 | if (!txq) | |
6730 | goto fail; | |
6731 | ||
6732 | /* We are only sending parameters for a single TXQ at a time */ | |
6733 | params = nla_nest_start(msg, 1); | |
6734 | if (!params) | |
6735 | goto fail; | |
6736 | ||
6737 | switch (queue) { | |
6738 | case 0: | |
6739 | if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO)) | |
6740 | goto fail; | |
6741 | break; | |
6742 | case 1: | |
6743 | if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI)) | |
6744 | goto fail; | |
6745 | break; | |
6746 | case 2: | |
6747 | if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE)) | |
6748 | goto fail; | |
6749 | break; | |
6750 | case 3: | |
6751 | if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK)) | |
6752 | goto fail; | |
6753 | break; | |
6754 | } | |
6755 | /* Burst time is configured in units of 0.1 msec and TXOP parameter in | |
6756 | * 32 usec, so need to convert the value here. */ | |
6757 | if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP, | |
6758 | (burst_time * 100 + 16) / 32) || | |
6759 | nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) || | |
6760 | nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) || | |
6761 | nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs)) | |
6762 | goto fail; | |
6763 | ||
6764 | nla_nest_end(msg, params); | |
6765 | ||
6766 | nla_nest_end(msg, txq); | |
6767 | ||
6768 | res = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6769 | wpa_printf(MSG_DEBUG, | |
6770 | "nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d", | |
6771 | queue, aifs, cw_min, cw_max, burst_time, res); | |
6772 | if (res == 0) | |
6773 | return 0; | |
6774 | msg = NULL; | |
6775 | fail: | |
6776 | nlmsg_free(msg); | |
6777 | return -1; | |
6778 | } | |
6779 | ||
6780 | ||
6781 | static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr, | |
6782 | const char *ifname, int vlan_id) | |
6783 | { | |
6784 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6785 | struct nl_msg *msg; | |
6786 | int ret; | |
6787 | ||
6788 | wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR | |
6789 | ", ifname=%s[%d], vlan_id=%d)", | |
6790 | bss->ifname, if_nametoindex(bss->ifname), | |
6791 | MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id); | |
6792 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) || | |
6793 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
6794 | ((drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) && | |
6795 | nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id)) || | |
6796 | nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) { | |
6797 | nlmsg_free(msg); | |
6798 | return -ENOBUFS; | |
6799 | } | |
6800 | ||
6801 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6802 | if (ret < 0) { | |
6803 | wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr=" | |
6804 | MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)", | |
6805 | MAC2STR(addr), ifname, vlan_id, ret, | |
6806 | strerror(-ret)); | |
6807 | } | |
6808 | return ret; | |
6809 | } | |
6810 | ||
6811 | ||
6812 | static int i802_get_inact_sec(void *priv, const u8 *addr) | |
6813 | { | |
6814 | struct hostap_sta_driver_data data; | |
6815 | int ret; | |
6816 | ||
6817 | os_memset(&data, 0, sizeof(data)); | |
6818 | data.inactive_msec = (unsigned long) -1; | |
6819 | ret = i802_read_sta_data(priv, &data, addr); | |
6820 | if (ret == -ENOENT) | |
6821 | return -ENOENT; | |
6822 | if (ret || data.inactive_msec == (unsigned long) -1) | |
6823 | return -1; | |
6824 | return data.inactive_msec / 1000; | |
6825 | } | |
6826 | ||
6827 | ||
6828 | static int i802_sta_clear_stats(void *priv, const u8 *addr) | |
6829 | { | |
6830 | #if 0 | |
6831 | /* TODO */ | |
6832 | #endif | |
6833 | return 0; | |
6834 | } | |
6835 | ||
6836 | ||
6837 | static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, | |
6838 | u16 reason) | |
6839 | { | |
6840 | struct i802_bss *bss = priv; | |
6841 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6842 | struct ieee80211_mgmt mgmt; | |
6843 | u8 channel; | |
6844 | ||
6845 | if (ieee80211_freq_to_chan(bss->freq, &channel) == | |
6846 | HOSTAPD_MODE_IEEE80211AD) { | |
6847 | /* Deauthentication is not used in DMG/IEEE 802.11ad; | |
6848 | * disassociate the STA instead. */ | |
6849 | return i802_sta_disassoc(priv, own_addr, addr, reason); | |
6850 | } | |
6851 | ||
6852 | if (is_mesh_interface(drv->nlmode)) | |
6853 | return -1; | |
6854 | ||
6855 | if (drv->device_ap_sme) | |
6856 | return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason); | |
6857 | ||
6858 | memset(&mgmt, 0, sizeof(mgmt)); | |
6859 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
6860 | WLAN_FC_STYPE_DEAUTH); | |
6861 | memcpy(mgmt.da, addr, ETH_ALEN); | |
6862 | memcpy(mgmt.sa, own_addr, ETH_ALEN); | |
6863 | memcpy(mgmt.bssid, own_addr, ETH_ALEN); | |
6864 | mgmt.u.deauth.reason_code = host_to_le16(reason); | |
6865 | return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, | |
6866 | IEEE80211_HDRLEN + | |
6867 | sizeof(mgmt.u.deauth), 0, 0, 0, 0, | |
6868 | 0, NULL, 0, 0); | |
6869 | } | |
6870 | ||
6871 | ||
6872 | static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, | |
6873 | u16 reason) | |
6874 | { | |
6875 | struct i802_bss *bss = priv; | |
6876 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6877 | struct ieee80211_mgmt mgmt; | |
6878 | ||
6879 | if (is_mesh_interface(drv->nlmode)) | |
6880 | return -1; | |
6881 | ||
6882 | if (drv->device_ap_sme) | |
6883 | return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason); | |
6884 | ||
6885 | memset(&mgmt, 0, sizeof(mgmt)); | |
6886 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
6887 | WLAN_FC_STYPE_DISASSOC); | |
6888 | memcpy(mgmt.da, addr, ETH_ALEN); | |
6889 | memcpy(mgmt.sa, own_addr, ETH_ALEN); | |
6890 | memcpy(mgmt.bssid, own_addr, ETH_ALEN); | |
6891 | mgmt.u.disassoc.reason_code = host_to_le16(reason); | |
6892 | return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, | |
6893 | IEEE80211_HDRLEN + | |
6894 | sizeof(mgmt.u.disassoc), 0, 0, 0, 0, | |
6895 | 0, NULL, 0, 0); | |
6896 | } | |
6897 | ||
6898 | ||
6899 | static void dump_ifidx(struct wpa_driver_nl80211_data *drv) | |
6900 | { | |
6901 | char buf[200], *pos, *end; | |
6902 | int i, res; | |
6903 | ||
6904 | pos = buf; | |
6905 | end = pos + sizeof(buf); | |
6906 | ||
6907 | for (i = 0; i < drv->num_if_indices; i++) { | |
6908 | if (!drv->if_indices[i].ifindex) | |
6909 | continue; | |
6910 | res = os_snprintf(pos, end - pos, " %d(%d)", | |
6911 | drv->if_indices[i].ifindex, | |
6912 | drv->if_indices[i].reason); | |
6913 | if (os_snprintf_error(end - pos, res)) | |
6914 | break; | |
6915 | pos += res; | |
6916 | } | |
6917 | *pos = '\0'; | |
6918 | ||
6919 | wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s", | |
6920 | drv->num_if_indices, buf); | |
6921 | } | |
6922 | ||
6923 | ||
6924 | static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
6925 | int ifidx_reason) | |
6926 | { | |
6927 | int i; | |
6928 | struct drv_nl80211_if_info *old; | |
6929 | ||
6930 | wpa_printf(MSG_DEBUG, | |
6931 | "nl80211: Add own interface ifindex %d (ifidx_reason %d)", | |
6932 | ifidx, ifidx_reason); | |
6933 | if (have_ifidx(drv, ifidx, ifidx_reason)) { | |
6934 | wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list", | |
6935 | ifidx); | |
6936 | return; | |
6937 | } | |
6938 | for (i = 0; i < drv->num_if_indices; i++) { | |
6939 | if (drv->if_indices[i].ifindex == 0) { | |
6940 | drv->if_indices[i].ifindex = ifidx; | |
6941 | drv->if_indices[i].reason = ifidx_reason; | |
6942 | dump_ifidx(drv); | |
6943 | return; | |
6944 | } | |
6945 | } | |
6946 | ||
6947 | if (drv->if_indices != drv->default_if_indices) | |
6948 | old = drv->if_indices; | |
6949 | else | |
6950 | old = NULL; | |
6951 | ||
6952 | drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1, | |
6953 | sizeof(*old)); | |
6954 | if (!drv->if_indices) { | |
6955 | if (!old) | |
6956 | drv->if_indices = drv->default_if_indices; | |
6957 | else | |
6958 | drv->if_indices = old; | |
6959 | wpa_printf(MSG_ERROR, "Failed to reallocate memory for " | |
6960 | "interfaces"); | |
6961 | wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx); | |
6962 | return; | |
6963 | } | |
6964 | if (!old) | |
6965 | os_memcpy(drv->if_indices, drv->default_if_indices, | |
6966 | sizeof(drv->default_if_indices)); | |
6967 | drv->if_indices[drv->num_if_indices].ifindex = ifidx; | |
6968 | drv->if_indices[drv->num_if_indices].reason = ifidx_reason; | |
6969 | drv->num_if_indices++; | |
6970 | dump_ifidx(drv); | |
6971 | } | |
6972 | ||
6973 | ||
6974 | static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
6975 | int ifidx_reason) | |
6976 | { | |
6977 | int i; | |
6978 | ||
6979 | for (i = 0; i < drv->num_if_indices; i++) { | |
6980 | if ((drv->if_indices[i].ifindex == ifidx || | |
6981 | ifidx == IFIDX_ANY) && | |
6982 | (drv->if_indices[i].reason == ifidx_reason || | |
6983 | ifidx_reason == IFIDX_ANY)) { | |
6984 | drv->if_indices[i].ifindex = 0; | |
6985 | drv->if_indices[i].reason = 0; | |
6986 | break; | |
6987 | } | |
6988 | } | |
6989 | dump_ifidx(drv); | |
6990 | } | |
6991 | ||
6992 | ||
6993 | static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx, | |
6994 | int ifidx_reason) | |
6995 | { | |
6996 | int i; | |
6997 | ||
6998 | for (i = 0; i < drv->num_if_indices; i++) | |
6999 | if (drv->if_indices[i].ifindex == ifidx && | |
7000 | (drv->if_indices[i].reason == ifidx_reason || | |
7001 | ifidx_reason == IFIDX_ANY)) | |
7002 | return 1; | |
7003 | ||
7004 | return 0; | |
7005 | } | |
7006 | ||
7007 | ||
7008 | static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val, | |
7009 | const char *bridge_ifname, char *ifname_wds) | |
7010 | { | |
7011 | struct i802_bss *bss = priv; | |
7012 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7013 | char name[IFNAMSIZ + 1]; | |
7014 | union wpa_event_data event; | |
7015 | int ret; | |
7016 | ||
7017 | ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid); | |
7018 | if (ret >= (int) sizeof(name)) | |
7019 | wpa_printf(MSG_WARNING, | |
7020 | "nl80211: WDS interface name was truncated"); | |
7021 | else if (ret < 0) | |
7022 | return ret; | |
7023 | ||
7024 | if (ifname_wds) | |
7025 | os_strlcpy(ifname_wds, name, IFNAMSIZ + 1); | |
7026 | ||
7027 | wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR | |
7028 | " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name); | |
7029 | if (val) { | |
7030 | if (!if_nametoindex(name)) { | |
7031 | if (nl80211_create_iface(drv, name, | |
7032 | NL80211_IFTYPE_AP_VLAN, | |
7033 | bss->addr, 1, NULL, NULL, 0) < | |
7034 | 0) | |
7035 | return -1; | |
7036 | if (bridge_ifname && | |
7037 | linux_br_add_if(drv->global->ioctl_sock, | |
7038 | bridge_ifname, name) < 0) | |
7039 | return -1; | |
7040 | ||
7041 | os_memset(&event, 0, sizeof(event)); | |
7042 | event.wds_sta_interface.sta_addr = addr; | |
7043 | event.wds_sta_interface.ifname = name; | |
7044 | event.wds_sta_interface.istatus = INTERFACE_ADDED; | |
7045 | wpa_supplicant_event(bss->ctx, | |
7046 | EVENT_WDS_STA_INTERFACE_STATUS, | |
7047 | &event); | |
7048 | } | |
7049 | if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) { | |
7050 | wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA " | |
7051 | "interface %s up", name); | |
7052 | } | |
7053 | return i802_set_sta_vlan(priv, addr, name, 0); | |
7054 | } else { | |
7055 | if (bridge_ifname && | |
7056 | linux_br_del_if(drv->global->ioctl_sock, bridge_ifname, | |
7057 | name) < 0) | |
7058 | wpa_printf(MSG_INFO, | |
7059 | "nl80211: Failed to remove interface %s from bridge %s: %s", | |
7060 | name, bridge_ifname, strerror(errno)); | |
7061 | ||
7062 | i802_set_sta_vlan(priv, addr, bss->ifname, 0); | |
7063 | nl80211_remove_iface(drv, if_nametoindex(name)); | |
7064 | os_memset(&event, 0, sizeof(event)); | |
7065 | event.wds_sta_interface.sta_addr = addr; | |
7066 | event.wds_sta_interface.ifname = name; | |
7067 | event.wds_sta_interface.istatus = INTERFACE_REMOVED; | |
7068 | wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS, | |
7069 | &event); | |
7070 | return 0; | |
7071 | } | |
7072 | } | |
7073 | ||
7074 | ||
7075 | static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx) | |
7076 | { | |
7077 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
7078 | struct sockaddr_ll lladdr; | |
7079 | unsigned char buf[3000]; | |
7080 | int len; | |
7081 | socklen_t fromlen = sizeof(lladdr); | |
7082 | ||
7083 | len = recvfrom(sock, buf, sizeof(buf), 0, | |
7084 | (struct sockaddr *)&lladdr, &fromlen); | |
7085 | if (len < 0) { | |
7086 | wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s", | |
7087 | strerror(errno)); | |
7088 | return; | |
7089 | } | |
7090 | ||
7091 | if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY)) | |
7092 | drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len); | |
7093 | } | |
7094 | ||
7095 | ||
7096 | static int i802_check_bridge(struct wpa_driver_nl80211_data *drv, | |
7097 | struct i802_bss *bss, | |
7098 | const char *brname, const char *ifname) | |
7099 | { | |
7100 | int br_ifindex; | |
7101 | char in_br[IFNAMSIZ]; | |
7102 | ||
7103 | os_strlcpy(bss->brname, brname, IFNAMSIZ); | |
7104 | br_ifindex = if_nametoindex(brname); | |
7105 | if (br_ifindex == 0) { | |
7106 | /* | |
7107 | * Bridge was configured, but the bridge device does | |
7108 | * not exist. Try to add it now. | |
7109 | */ | |
7110 | if (linux_br_add(drv->global->ioctl_sock, brname) < 0) { | |
7111 | wpa_printf(MSG_ERROR, "nl80211: Failed to add the " | |
7112 | "bridge interface %s: %s", | |
7113 | brname, strerror(errno)); | |
7114 | return -1; | |
7115 | } | |
7116 | bss->added_bridge = 1; | |
7117 | br_ifindex = if_nametoindex(brname); | |
7118 | add_ifidx(drv, br_ifindex, drv->ifindex); | |
7119 | } | |
7120 | bss->br_ifindex = br_ifindex; | |
7121 | ||
7122 | if (linux_br_get(in_br, ifname) == 0) { | |
7123 | if (os_strcmp(in_br, brname) == 0) { | |
7124 | bss->already_in_bridge = 1; | |
7125 | return 0; /* already in the bridge */ | |
7126 | } | |
7127 | ||
7128 | wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from " | |
7129 | "bridge %s", ifname, in_br); | |
7130 | if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) < | |
7131 | 0) { | |
7132 | wpa_printf(MSG_ERROR, "nl80211: Failed to " | |
7133 | "remove interface %s from bridge " | |
7134 | "%s: %s", | |
7135 | ifname, in_br, strerror(errno)); | |
7136 | return -1; | |
7137 | } | |
7138 | } | |
7139 | ||
7140 | wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s", | |
7141 | ifname, brname); | |
7142 | if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) { | |
7143 | wpa_printf(MSG_WARNING, | |
7144 | "nl80211: Failed to add interface %s into bridge %s: %s", | |
7145 | ifname, brname, strerror(errno)); | |
7146 | /* Try to continue without the interface being in a bridge. This | |
7147 | * may be needed for some cases, e.g., with Open vSwitch, where | |
7148 | * an external component will need to handle bridge | |
7149 | * configuration. */ | |
7150 | return 0; | |
7151 | } | |
7152 | bss->added_if_into_bridge = 1; | |
7153 | ||
7154 | return 0; | |
7155 | } | |
7156 | ||
7157 | ||
7158 | static void *i802_init(struct hostapd_data *hapd, | |
7159 | struct wpa_init_params *params) | |
7160 | { | |
7161 | struct wpa_driver_nl80211_data *drv; | |
7162 | struct i802_bss *bss; | |
7163 | size_t i; | |
7164 | char master_ifname[IFNAMSIZ]; | |
7165 | int ifindex, br_ifindex = 0; | |
7166 | int br_added = 0; | |
7167 | ||
7168 | bss = wpa_driver_nl80211_drv_init(hapd, params->ifname, | |
7169 | params->global_priv, 1, | |
7170 | params->bssid, params->driver_params); | |
7171 | if (bss == NULL) | |
7172 | return NULL; | |
7173 | ||
7174 | drv = bss->drv; | |
7175 | ||
7176 | if (linux_br_get(master_ifname, params->ifname) == 0) { | |
7177 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s", | |
7178 | params->ifname, master_ifname); | |
7179 | br_ifindex = if_nametoindex(master_ifname); | |
7180 | os_strlcpy(bss->brname, master_ifname, IFNAMSIZ); | |
7181 | } else if ((params->num_bridge == 0 || !params->bridge[0]) && | |
7182 | linux_master_get(master_ifname, params->ifname) == 0) { | |
7183 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s", | |
7184 | params->ifname, master_ifname); | |
7185 | /* start listening for EAPOL on the master interface */ | |
7186 | add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex); | |
7187 | ||
7188 | /* check if master itself is under bridge */ | |
7189 | if (linux_br_get(master_ifname, master_ifname) == 0) { | |
7190 | wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s", | |
7191 | master_ifname); | |
7192 | br_ifindex = if_nametoindex(master_ifname); | |
7193 | os_strlcpy(bss->brname, master_ifname, IFNAMSIZ); | |
7194 | } | |
7195 | } else { | |
7196 | master_ifname[0] = '\0'; | |
7197 | } | |
7198 | ||
7199 | bss->br_ifindex = br_ifindex; | |
7200 | ||
7201 | for (i = 0; i < params->num_bridge; i++) { | |
7202 | if (params->bridge[i]) { | |
7203 | ifindex = if_nametoindex(params->bridge[i]); | |
7204 | if (ifindex) | |
7205 | add_ifidx(drv, ifindex, drv->ifindex); | |
7206 | if (ifindex == br_ifindex) | |
7207 | br_added = 1; | |
7208 | } | |
7209 | } | |
7210 | ||
7211 | /* start listening for EAPOL on the default AP interface */ | |
7212 | add_ifidx(drv, drv->ifindex, IFIDX_ANY); | |
7213 | ||
7214 | if (params->num_bridge && params->bridge[0]) { | |
7215 | if (i802_check_bridge(drv, bss, params->bridge[0], | |
7216 | params->ifname) < 0) | |
7217 | goto failed; | |
7218 | if (os_strcmp(params->bridge[0], master_ifname) != 0) | |
7219 | br_added = 1; | |
7220 | } | |
7221 | ||
7222 | if (!br_added && br_ifindex && | |
7223 | (params->num_bridge == 0 || !params->bridge[0])) | |
7224 | add_ifidx(drv, br_ifindex, drv->ifindex); | |
7225 | ||
7226 | #ifdef CONFIG_LIBNL3_ROUTE | |
7227 | if (bss->added_if_into_bridge || bss->already_in_bridge) { | |
7228 | int err; | |
7229 | ||
7230 | drv->rtnl_sk = nl_socket_alloc(); | |
7231 | if (drv->rtnl_sk == NULL) { | |
7232 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock"); | |
7233 | goto failed; | |
7234 | } | |
7235 | ||
7236 | err = nl_connect(drv->rtnl_sk, NETLINK_ROUTE); | |
7237 | if (err) { | |
7238 | wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s", | |
7239 | nl_geterror(err)); | |
7240 | goto failed; | |
7241 | } | |
7242 | } | |
7243 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
7244 | ||
7245 | drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE)); | |
7246 | if (drv->eapol_sock < 0) { | |
7247 | wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s", | |
7248 | strerror(errno)); | |
7249 | goto failed; | |
7250 | } | |
7251 | ||
7252 | if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL)) | |
7253 | { | |
7254 | wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol"); | |
7255 | goto failed; | |
7256 | } | |
7257 | ||
7258 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
7259 | params->own_addr)) | |
7260 | goto failed; | |
7261 | os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN); | |
7262 | ||
7263 | memcpy(bss->addr, params->own_addr, ETH_ALEN); | |
7264 | ||
7265 | return bss; | |
7266 | ||
7267 | failed: | |
7268 | wpa_driver_nl80211_deinit(bss); | |
7269 | return NULL; | |
7270 | } | |
7271 | ||
7272 | ||
7273 | static void i802_deinit(void *priv) | |
7274 | { | |
7275 | struct i802_bss *bss = priv; | |
7276 | wpa_driver_nl80211_deinit(bss); | |
7277 | } | |
7278 | ||
7279 | ||
7280 | static enum nl80211_iftype wpa_driver_nl80211_if_type( | |
7281 | enum wpa_driver_if_type type) | |
7282 | { | |
7283 | switch (type) { | |
7284 | case WPA_IF_STATION: | |
7285 | return NL80211_IFTYPE_STATION; | |
7286 | case WPA_IF_P2P_CLIENT: | |
7287 | case WPA_IF_P2P_GROUP: | |
7288 | return NL80211_IFTYPE_P2P_CLIENT; | |
7289 | case WPA_IF_AP_VLAN: | |
7290 | return NL80211_IFTYPE_AP_VLAN; | |
7291 | case WPA_IF_AP_BSS: | |
7292 | return NL80211_IFTYPE_AP; | |
7293 | case WPA_IF_P2P_GO: | |
7294 | return NL80211_IFTYPE_P2P_GO; | |
7295 | case WPA_IF_P2P_DEVICE: | |
7296 | return NL80211_IFTYPE_P2P_DEVICE; | |
7297 | case WPA_IF_MESH: | |
7298 | return NL80211_IFTYPE_MESH_POINT; | |
7299 | default: | |
7300 | return -1; | |
7301 | } | |
7302 | } | |
7303 | ||
7304 | ||
7305 | static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr) | |
7306 | { | |
7307 | struct wpa_driver_nl80211_data *drv; | |
7308 | dl_list_for_each(drv, &global->interfaces, | |
7309 | struct wpa_driver_nl80211_data, list) { | |
7310 | if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0) | |
7311 | return 1; | |
7312 | } | |
7313 | return 0; | |
7314 | } | |
7315 | ||
7316 | ||
7317 | static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr) | |
7318 | { | |
7319 | unsigned int idx; | |
7320 | ||
7321 | if (!drv->global) | |
7322 | return -1; | |
7323 | ||
7324 | os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN); | |
7325 | for (idx = 0; idx < 64; idx++) { | |
7326 | new_addr[0] = drv->first_bss->addr[0] | 0x02; | |
7327 | new_addr[0] ^= idx << 2; | |
7328 | if (!nl80211_addr_in_use(drv->global, new_addr)) | |
7329 | break; | |
7330 | } | |
7331 | if (idx == 64) | |
7332 | return -1; | |
7333 | ||
7334 | wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address " | |
7335 | MACSTR, MAC2STR(new_addr)); | |
7336 | ||
7337 | return 0; | |
7338 | } | |
7339 | ||
7340 | ||
7341 | struct wdev_info { | |
7342 | u64 wdev_id; | |
7343 | int wdev_id_set; | |
7344 | u8 macaddr[ETH_ALEN]; | |
7345 | }; | |
7346 | ||
7347 | static int nl80211_wdev_handler(struct nl_msg *msg, void *arg) | |
7348 | { | |
7349 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
7350 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
7351 | struct wdev_info *wi = arg; | |
7352 | ||
7353 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
7354 | genlmsg_attrlen(gnlh, 0), NULL); | |
7355 | if (tb[NL80211_ATTR_WDEV]) { | |
7356 | wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]); | |
7357 | wi->wdev_id_set = 1; | |
7358 | } | |
7359 | ||
7360 | if (tb[NL80211_ATTR_MAC]) | |
7361 | os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]), | |
7362 | ETH_ALEN); | |
7363 | ||
7364 | return NL_SKIP; | |
7365 | } | |
7366 | ||
7367 | ||
7368 | static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type, | |
7369 | const char *ifname, const u8 *addr, | |
7370 | void *bss_ctx, void **drv_priv, | |
7371 | char *force_ifname, u8 *if_addr, | |
7372 | const char *bridge, int use_existing, | |
7373 | int setup_ap) | |
7374 | { | |
7375 | enum nl80211_iftype nlmode; | |
7376 | struct i802_bss *bss = priv; | |
7377 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7378 | int ifidx; | |
7379 | int added = 1; | |
7380 | ||
7381 | if (addr) | |
7382 | os_memcpy(if_addr, addr, ETH_ALEN); | |
7383 | nlmode = wpa_driver_nl80211_if_type(type); | |
7384 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) { | |
7385 | struct wdev_info p2pdev_info; | |
7386 | ||
7387 | os_memset(&p2pdev_info, 0, sizeof(p2pdev_info)); | |
7388 | ifidx = nl80211_create_iface(drv, ifname, nlmode, addr, | |
7389 | 0, nl80211_wdev_handler, | |
7390 | &p2pdev_info, use_existing); | |
7391 | if (!p2pdev_info.wdev_id_set || ifidx != 0) { | |
7392 | wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s", | |
7393 | ifname); | |
7394 | return -1; | |
7395 | } | |
7396 | ||
7397 | drv->global->if_add_wdevid = p2pdev_info.wdev_id; | |
7398 | drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set; | |
7399 | if (!is_zero_ether_addr(p2pdev_info.macaddr)) | |
7400 | os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN); | |
7401 | wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created", | |
7402 | ifname, | |
7403 | (long long unsigned int) p2pdev_info.wdev_id); | |
7404 | } else { | |
7405 | ifidx = nl80211_create_iface(drv, ifname, nlmode, addr, | |
7406 | 0, NULL, NULL, use_existing); | |
7407 | if (use_existing && ifidx == -ENFILE) { | |
7408 | added = 0; | |
7409 | ifidx = if_nametoindex(ifname); | |
7410 | } else if (ifidx < 0) { | |
7411 | return -1; | |
7412 | } | |
7413 | } | |
7414 | ||
7415 | if (!addr) { | |
7416 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
7417 | os_memcpy(if_addr, bss->addr, ETH_ALEN); | |
7418 | else if (linux_get_ifhwaddr(drv->global->ioctl_sock, | |
7419 | ifname, if_addr) < 0) { | |
7420 | if (added) | |
7421 | nl80211_remove_iface(drv, ifidx); | |
7422 | return -1; | |
7423 | } | |
7424 | } | |
7425 | ||
7426 | if (!addr && | |
7427 | (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP || | |
7428 | type == WPA_IF_P2P_GO || type == WPA_IF_MESH || | |
7429 | type == WPA_IF_STATION)) { | |
7430 | /* Enforce unique address */ | |
7431 | u8 new_addr[ETH_ALEN]; | |
7432 | ||
7433 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname, | |
7434 | new_addr) < 0) { | |
7435 | if (added) | |
7436 | nl80211_remove_iface(drv, ifidx); | |
7437 | return -1; | |
7438 | } | |
7439 | if (nl80211_addr_in_use(drv->global, new_addr)) { | |
7440 | wpa_printf(MSG_DEBUG, "nl80211: Allocate new address " | |
7441 | "for interface %s type %d", ifname, type); | |
7442 | if (nl80211_vif_addr(drv, new_addr) < 0) { | |
7443 | if (added) | |
7444 | nl80211_remove_iface(drv, ifidx); | |
7445 | return -1; | |
7446 | } | |
7447 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, | |
7448 | new_addr) < 0) { | |
7449 | if (added) | |
7450 | nl80211_remove_iface(drv, ifidx); | |
7451 | return -1; | |
7452 | } | |
7453 | } | |
7454 | os_memcpy(if_addr, new_addr, ETH_ALEN); | |
7455 | } | |
7456 | ||
7457 | if (type == WPA_IF_AP_BSS && setup_ap) { | |
7458 | struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss)); | |
7459 | if (new_bss == NULL) { | |
7460 | if (added) | |
7461 | nl80211_remove_iface(drv, ifidx); | |
7462 | return -1; | |
7463 | } | |
7464 | ||
7465 | if (bridge && | |
7466 | i802_check_bridge(drv, new_bss, bridge, ifname) < 0) { | |
7467 | wpa_printf(MSG_ERROR, "nl80211: Failed to add the new " | |
7468 | "interface %s to a bridge %s", | |
7469 | ifname, bridge); | |
7470 | if (added) | |
7471 | nl80211_remove_iface(drv, ifidx); | |
7472 | os_free(new_bss); | |
7473 | return -1; | |
7474 | } | |
7475 | ||
7476 | if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1)) | |
7477 | { | |
7478 | if (added) | |
7479 | nl80211_remove_iface(drv, ifidx); | |
7480 | os_free(new_bss); | |
7481 | return -1; | |
7482 | } | |
7483 | os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ); | |
7484 | os_memcpy(new_bss->addr, if_addr, ETH_ALEN); | |
7485 | new_bss->ifindex = ifidx; | |
7486 | new_bss->drv = drv; | |
7487 | new_bss->next = drv->first_bss->next; | |
7488 | new_bss->freq = drv->first_bss->freq; | |
7489 | new_bss->ctx = bss_ctx; | |
7490 | new_bss->added_if = added; | |
7491 | drv->first_bss->next = new_bss; | |
7492 | if (drv_priv) | |
7493 | *drv_priv = new_bss; | |
7494 | nl80211_init_bss(new_bss); | |
7495 | ||
7496 | /* Subscribe management frames for this WPA_IF_AP_BSS */ | |
7497 | if (nl80211_setup_ap(new_bss)) | |
7498 | return -1; | |
7499 | } | |
7500 | ||
7501 | if (drv->global) | |
7502 | drv->global->if_add_ifindex = ifidx; | |
7503 | ||
7504 | /* | |
7505 | * Some virtual interfaces need to process EAPOL packets and events on | |
7506 | * the parent interface. This is used mainly with hostapd. | |
7507 | */ | |
7508 | if (ifidx > 0 && | |
7509 | (drv->hostapd || | |
7510 | nlmode == NL80211_IFTYPE_AP_VLAN || | |
7511 | nlmode == NL80211_IFTYPE_WDS || | |
7512 | nlmode == NL80211_IFTYPE_MONITOR)) | |
7513 | add_ifidx(drv, ifidx, IFIDX_ANY); | |
7514 | ||
7515 | return 0; | |
7516 | } | |
7517 | ||
7518 | ||
7519 | static int wpa_driver_nl80211_if_remove(struct i802_bss *bss, | |
7520 | enum wpa_driver_if_type type, | |
7521 | const char *ifname) | |
7522 | { | |
7523 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7524 | int ifindex = if_nametoindex(ifname); | |
7525 | ||
7526 | wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d", | |
7527 | __func__, type, ifname, ifindex, bss->added_if); | |
7528 | if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex)) | |
7529 | nl80211_remove_iface(drv, ifindex); | |
7530 | else if (ifindex > 0 && !bss->added_if) { | |
7531 | struct wpa_driver_nl80211_data *drv2; | |
7532 | dl_list_for_each(drv2, &drv->global->interfaces, | |
7533 | struct wpa_driver_nl80211_data, list) { | |
7534 | del_ifidx(drv2, ifindex, IFIDX_ANY); | |
7535 | del_ifidx(drv2, IFIDX_ANY, ifindex); | |
7536 | } | |
7537 | } | |
7538 | ||
7539 | if (type != WPA_IF_AP_BSS) | |
7540 | return 0; | |
7541 | ||
7542 | if (bss->added_if_into_bridge) { | |
7543 | if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, | |
7544 | bss->ifname) < 0) | |
7545 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
7546 | "interface %s from bridge %s: %s", | |
7547 | bss->ifname, bss->brname, strerror(errno)); | |
7548 | } | |
7549 | if (bss->added_bridge) { | |
7550 | if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) | |
7551 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " | |
7552 | "bridge %s: %s", | |
7553 | bss->brname, strerror(errno)); | |
7554 | } | |
7555 | ||
7556 | if (bss != drv->first_bss) { | |
7557 | struct i802_bss *tbss; | |
7558 | ||
7559 | wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it"); | |
7560 | for (tbss = drv->first_bss; tbss; tbss = tbss->next) { | |
7561 | if (tbss->next == bss) { | |
7562 | tbss->next = bss->next; | |
7563 | /* Unsubscribe management frames */ | |
7564 | nl80211_teardown_ap(bss); | |
7565 | nl80211_destroy_bss(bss); | |
7566 | if (!bss->added_if) | |
7567 | i802_set_iface_flags(bss, 0); | |
7568 | os_free(bss); | |
7569 | bss = NULL; | |
7570 | break; | |
7571 | } | |
7572 | } | |
7573 | if (bss) | |
7574 | wpa_printf(MSG_INFO, "nl80211: %s - could not find " | |
7575 | "BSS %p in the list", __func__, bss); | |
7576 | } else { | |
7577 | wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context"); | |
7578 | nl80211_teardown_ap(bss); | |
7579 | if (!bss->added_if && !drv->first_bss->next) | |
7580 | wpa_driver_nl80211_del_beacon(bss); | |
7581 | nl80211_destroy_bss(bss); | |
7582 | if (!bss->added_if) | |
7583 | i802_set_iface_flags(bss, 0); | |
7584 | if (drv->first_bss->next) { | |
7585 | drv->first_bss = drv->first_bss->next; | |
7586 | drv->ctx = drv->first_bss->ctx; | |
7587 | os_free(bss); | |
7588 | } else { | |
7589 | wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to"); | |
7590 | } | |
7591 | } | |
7592 | ||
7593 | return 0; | |
7594 | } | |
7595 | ||
7596 | ||
7597 | static int cookie_handler(struct nl_msg *msg, void *arg) | |
7598 | { | |
7599 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
7600 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
7601 | u64 *cookie = arg; | |
7602 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
7603 | genlmsg_attrlen(gnlh, 0), NULL); | |
7604 | if (tb[NL80211_ATTR_COOKIE]) | |
7605 | *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]); | |
7606 | return NL_SKIP; | |
7607 | } | |
7608 | ||
7609 | ||
7610 | static int nl80211_send_frame_cmd(struct i802_bss *bss, | |
7611 | unsigned int freq, unsigned int wait, | |
7612 | const u8 *buf, size_t buf_len, | |
7613 | int save_cookie, int no_cck, int no_ack, | |
7614 | int offchanok, const u16 *csa_offs, | |
7615 | size_t csa_offs_len) | |
7616 | { | |
7617 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7618 | struct nl_msg *msg; | |
7619 | u64 cookie; | |
7620 | int ret = -1; | |
7621 | ||
7622 | wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d " | |
7623 | "no_ack=%d offchanok=%d", | |
7624 | freq, wait, no_cck, no_ack, offchanok); | |
7625 | wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len); | |
7626 | ||
7627 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) || | |
7628 | (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
7629 | (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) || | |
7630 | (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) || | |
7631 | drv->test_use_roc_tx) && | |
7632 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) || | |
7633 | (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) || | |
7634 | (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) || | |
7635 | (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX, | |
7636 | csa_offs_len * sizeof(u16), csa_offs)) || | |
7637 | nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf)) | |
7638 | goto fail; | |
7639 | ||
7640 | cookie = 0; | |
7641 | ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); | |
7642 | msg = NULL; | |
7643 | if (ret) { | |
7644 | wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d " | |
7645 | "(%s) (freq=%u wait=%u)", ret, strerror(-ret), | |
7646 | freq, wait); | |
7647 | } else { | |
7648 | wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; " | |
7649 | "cookie 0x%llx", no_ack ? " (no ACK)" : "", | |
7650 | (long long unsigned int) cookie); | |
7651 | ||
7652 | if (save_cookie) | |
7653 | drv->send_frame_cookie = no_ack ? (u64) -1 : cookie; | |
7654 | ||
7655 | if (drv->num_send_frame_cookies == MAX_SEND_FRAME_COOKIES) { | |
7656 | wpa_printf(MSG_DEBUG, | |
7657 | "nl80211: Drop oldest pending send frame cookie 0x%llx", | |
7658 | (long long unsigned int) | |
7659 | drv->send_frame_cookies[0]); | |
7660 | os_memmove(&drv->send_frame_cookies[0], | |
7661 | &drv->send_frame_cookies[1], | |
7662 | (MAX_SEND_FRAME_COOKIES - 1) * | |
7663 | sizeof(u64)); | |
7664 | drv->num_send_frame_cookies--; | |
7665 | } | |
7666 | drv->send_frame_cookies[drv->num_send_frame_cookies] = cookie; | |
7667 | drv->num_send_frame_cookies++; | |
7668 | } | |
7669 | ||
7670 | fail: | |
7671 | nlmsg_free(msg); | |
7672 | return ret; | |
7673 | } | |
7674 | ||
7675 | ||
7676 | static int wpa_driver_nl80211_send_action(struct i802_bss *bss, | |
7677 | unsigned int freq, | |
7678 | unsigned int wait_time, | |
7679 | const u8 *dst, const u8 *src, | |
7680 | const u8 *bssid, | |
7681 | const u8 *data, size_t data_len, | |
7682 | int no_cck) | |
7683 | { | |
7684 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7685 | int ret = -1; | |
7686 | u8 *buf; | |
7687 | struct ieee80211_hdr *hdr; | |
7688 | int offchanok = 1; | |
7689 | ||
7690 | if (is_ap_interface(drv->nlmode) && (int) freq == bss->freq) | |
7691 | offchanok = 0; | |
7692 | ||
7693 | wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, " | |
7694 | "freq=%u MHz wait=%d ms no_cck=%d offchanok=%d)", | |
7695 | drv->ifindex, freq, wait_time, no_cck, offchanok); | |
7696 | ||
7697 | buf = os_zalloc(24 + data_len); | |
7698 | if (buf == NULL) | |
7699 | return ret; | |
7700 | os_memcpy(buf + 24, data, data_len); | |
7701 | hdr = (struct ieee80211_hdr *) buf; | |
7702 | hdr->frame_control = | |
7703 | IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION); | |
7704 | os_memcpy(hdr->addr1, dst, ETH_ALEN); | |
7705 | os_memcpy(hdr->addr2, src, ETH_ALEN); | |
7706 | os_memcpy(hdr->addr3, bssid, ETH_ALEN); | |
7707 | ||
7708 | if (os_memcmp(bss->addr, src, ETH_ALEN) != 0) { | |
7709 | wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR, | |
7710 | MAC2STR(src)); | |
7711 | os_memcpy(bss->rand_addr, src, ETH_ALEN); | |
7712 | } else { | |
7713 | os_memset(bss->rand_addr, 0, ETH_ALEN); | |
7714 | } | |
7715 | ||
7716 | if (is_ap_interface(drv->nlmode) && | |
7717 | (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) || | |
7718 | (int) freq == bss->freq || drv->device_ap_sme || | |
7719 | !drv->use_monitor)) | |
7720 | ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len, | |
7721 | 0, freq, no_cck, offchanok, | |
7722 | wait_time, NULL, 0, 0); | |
7723 | else | |
7724 | ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf, | |
7725 | 24 + data_len, | |
7726 | 1, no_cck, 0, offchanok, NULL, 0); | |
7727 | ||
7728 | os_free(buf); | |
7729 | return ret; | |
7730 | } | |
7731 | ||
7732 | ||
7733 | static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie) | |
7734 | { | |
7735 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7736 | struct nl_msg *msg; | |
7737 | int ret; | |
7738 | ||
7739 | wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx", | |
7740 | (long long unsigned int) cookie); | |
7741 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) || | |
7742 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) { | |
7743 | nlmsg_free(msg); | |
7744 | return; | |
7745 | } | |
7746 | ||
7747 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7748 | if (ret) | |
7749 | wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d " | |
7750 | "(%s)", ret, strerror(-ret)); | |
7751 | } | |
7752 | ||
7753 | ||
7754 | static void wpa_driver_nl80211_send_action_cancel_wait(void *priv) | |
7755 | { | |
7756 | struct i802_bss *bss = priv; | |
7757 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7758 | unsigned int i; | |
7759 | u64 cookie; | |
7760 | ||
7761 | /* Cancel the last pending TX cookie */ | |
7762 | nl80211_frame_wait_cancel(bss, drv->send_frame_cookie); | |
7763 | ||
7764 | /* | |
7765 | * Cancel the other pending TX cookies, if any. This is needed since | |
7766 | * the driver may keep a list of all pending offchannel TX operations | |
7767 | * and free up the radio only once they have expired or cancelled. | |
7768 | */ | |
7769 | for (i = drv->num_send_frame_cookies; i > 0; i--) { | |
7770 | cookie = drv->send_frame_cookies[i - 1]; | |
7771 | if (cookie != drv->send_frame_cookie) | |
7772 | nl80211_frame_wait_cancel(bss, cookie); | |
7773 | } | |
7774 | drv->num_send_frame_cookies = 0; | |
7775 | } | |
7776 | ||
7777 | ||
7778 | static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq, | |
7779 | unsigned int duration) | |
7780 | { | |
7781 | struct i802_bss *bss = priv; | |
7782 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7783 | struct nl_msg *msg; | |
7784 | int ret; | |
7785 | u64 cookie; | |
7786 | ||
7787 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) || | |
7788 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || | |
7789 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) { | |
7790 | nlmsg_free(msg); | |
7791 | return -1; | |
7792 | } | |
7793 | ||
7794 | cookie = 0; | |
7795 | ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); | |
7796 | if (ret == 0) { | |
7797 | wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie " | |
7798 | "0x%llx for freq=%u MHz duration=%u", | |
7799 | (long long unsigned int) cookie, freq, duration); | |
7800 | drv->remain_on_chan_cookie = cookie; | |
7801 | drv->pending_remain_on_chan = 1; | |
7802 | return 0; | |
7803 | } | |
7804 | wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel " | |
7805 | "(freq=%d duration=%u): %d (%s)", | |
7806 | freq, duration, ret, strerror(-ret)); | |
7807 | return -1; | |
7808 | } | |
7809 | ||
7810 | ||
7811 | static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv) | |
7812 | { | |
7813 | struct i802_bss *bss = priv; | |
7814 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7815 | struct nl_msg *msg; | |
7816 | int ret; | |
7817 | ||
7818 | if (!drv->pending_remain_on_chan) { | |
7819 | wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel " | |
7820 | "to cancel"); | |
7821 | return -1; | |
7822 | } | |
7823 | ||
7824 | wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie " | |
7825 | "0x%llx", | |
7826 | (long long unsigned int) drv->remain_on_chan_cookie); | |
7827 | ||
7828 | msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL); | |
7829 | if (!msg || | |
7830 | nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) { | |
7831 | nlmsg_free(msg); | |
7832 | return -1; | |
7833 | } | |
7834 | ||
7835 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7836 | if (ret == 0) | |
7837 | return 0; | |
7838 | wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: " | |
7839 | "%d (%s)", ret, strerror(-ret)); | |
7840 | return -1; | |
7841 | } | |
7842 | ||
7843 | ||
7844 | static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report) | |
7845 | { | |
7846 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7847 | ||
7848 | if (!report) { | |
7849 | if (bss->nl_preq && drv->device_ap_sme && | |
7850 | is_ap_interface(drv->nlmode) && !bss->in_deinit && | |
7851 | !bss->static_ap) { | |
7852 | /* | |
7853 | * Do not disable Probe Request reporting that was | |
7854 | * enabled in nl80211_setup_ap(). | |
7855 | */ | |
7856 | wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of " | |
7857 | "Probe Request reporting nl_preq=%p while " | |
7858 | "in AP mode", bss->nl_preq); | |
7859 | } else if (bss->nl_preq) { | |
7860 | wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request " | |
7861 | "reporting nl_preq=%p", bss->nl_preq); | |
7862 | nl80211_destroy_eloop_handle(&bss->nl_preq, 0); | |
7863 | } | |
7864 | return 0; | |
7865 | } | |
7866 | ||
7867 | if (bss->nl_preq) { | |
7868 | wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting " | |
7869 | "already on! nl_preq=%p", bss->nl_preq); | |
7870 | return 0; | |
7871 | } | |
7872 | ||
7873 | bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq"); | |
7874 | if (bss->nl_preq == NULL) | |
7875 | return -1; | |
7876 | wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request " | |
7877 | "reporting nl_preq=%p", bss->nl_preq); | |
7878 | ||
7879 | if (nl80211_register_frame(bss, bss->nl_preq, | |
7880 | (WLAN_FC_TYPE_MGMT << 2) | | |
7881 | (WLAN_FC_STYPE_PROBE_REQ << 4), | |
7882 | NULL, 0) < 0) | |
7883 | goto out_err; | |
7884 | ||
7885 | nl80211_register_eloop_read(&bss->nl_preq, | |
7886 | wpa_driver_nl80211_event_receive, | |
7887 | bss->nl_cb, 0); | |
7888 | ||
7889 | return 0; | |
7890 | ||
7891 | out_err: | |
7892 | nl_destroy_handles(&bss->nl_preq); | |
7893 | return -1; | |
7894 | } | |
7895 | ||
7896 | ||
7897 | static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, | |
7898 | int ifindex, int disabled) | |
7899 | { | |
7900 | struct nl_msg *msg; | |
7901 | struct nlattr *bands, *band; | |
7902 | int ret; | |
7903 | ||
7904 | wpa_printf(MSG_DEBUG, | |
7905 | "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)", | |
7906 | ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" : | |
7907 | "no NL80211_TXRATE_LEGACY constraint"); | |
7908 | ||
7909 | msg = nl80211_ifindex_msg(drv, ifindex, 0, | |
7910 | NL80211_CMD_SET_TX_BITRATE_MASK); | |
7911 | if (!msg) | |
7912 | return -1; | |
7913 | ||
7914 | bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES); | |
7915 | if (!bands) | |
7916 | goto fail; | |
7917 | ||
7918 | /* | |
7919 | * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything | |
7920 | * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS | |
7921 | * rates. All 5 GHz rates are left enabled. | |
7922 | */ | |
7923 | band = nla_nest_start(msg, NL80211_BAND_2GHZ); | |
7924 | if (!band || | |
7925 | (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8, | |
7926 | "\x0c\x12\x18\x24\x30\x48\x60\x6c"))) | |
7927 | goto fail; | |
7928 | nla_nest_end(msg, band); | |
7929 | ||
7930 | nla_nest_end(msg, bands); | |
7931 | ||
7932 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7933 | if (ret) { | |
7934 | wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d " | |
7935 | "(%s)", ret, strerror(-ret)); | |
7936 | } else | |
7937 | drv->disabled_11b_rates = disabled; | |
7938 | ||
7939 | return ret; | |
7940 | ||
7941 | fail: | |
7942 | nlmsg_free(msg); | |
7943 | return -1; | |
7944 | } | |
7945 | ||
7946 | ||
7947 | static int wpa_driver_nl80211_deinit_ap(void *priv) | |
7948 | { | |
7949 | struct i802_bss *bss = priv; | |
7950 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7951 | if (!is_ap_interface(drv->nlmode)) | |
7952 | return -1; | |
7953 | wpa_driver_nl80211_del_beacon(bss); | |
7954 | bss->beacon_set = 0; | |
7955 | ||
7956 | /* | |
7957 | * If the P2P GO interface was dynamically added, then it is | |
7958 | * possible that the interface change to station is not possible. | |
7959 | */ | |
7960 | if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic) | |
7961 | return 0; | |
7962 | ||
7963 | return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); | |
7964 | } | |
7965 | ||
7966 | ||
7967 | static int wpa_driver_nl80211_stop_ap(void *priv) | |
7968 | { | |
7969 | struct i802_bss *bss = priv; | |
7970 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7971 | if (!is_ap_interface(drv->nlmode)) | |
7972 | return -1; | |
7973 | wpa_driver_nl80211_del_beacon(bss); | |
7974 | bss->beacon_set = 0; | |
7975 | return 0; | |
7976 | } | |
7977 | ||
7978 | ||
7979 | static int wpa_driver_nl80211_deinit_p2p_cli(void *priv) | |
7980 | { | |
7981 | struct i802_bss *bss = priv; | |
7982 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7983 | if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT) | |
7984 | return -1; | |
7985 | ||
7986 | /* | |
7987 | * If the P2P Client interface was dynamically added, then it is | |
7988 | * possible that the interface change to station is not possible. | |
7989 | */ | |
7990 | if (bss->if_dynamic) | |
7991 | return 0; | |
7992 | ||
7993 | return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); | |
7994 | } | |
7995 | ||
7996 | ||
7997 | static void wpa_driver_nl80211_resume(void *priv) | |
7998 | { | |
7999 | struct i802_bss *bss = priv; | |
8000 | enum nl80211_iftype nlmode = nl80211_get_ifmode(bss); | |
8001 | ||
8002 | if (i802_set_iface_flags(bss, 1)) | |
8003 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event"); | |
8004 | ||
8005 | if (is_p2p_net_interface(nlmode)) | |
8006 | nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1); | |
8007 | } | |
8008 | ||
8009 | ||
8010 | static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis) | |
8011 | { | |
8012 | struct i802_bss *bss = priv; | |
8013 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8014 | struct nl_msg *msg; | |
8015 | struct nlattr *cqm; | |
8016 | ||
8017 | wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d " | |
8018 | "hysteresis=%d", threshold, hysteresis); | |
8019 | ||
8020 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) || | |
8021 | !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) || | |
8022 | nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) || | |
8023 | nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) { | |
8024 | nlmsg_free(msg); | |
8025 | return -1; | |
8026 | } | |
8027 | nla_nest_end(msg, cqm); | |
8028 | ||
8029 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
8030 | } | |
8031 | ||
8032 | ||
8033 | static int get_channel_width(struct nl_msg *msg, void *arg) | |
8034 | { | |
8035 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
8036 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
8037 | struct wpa_signal_info *sig_change = arg; | |
8038 | ||
8039 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
8040 | genlmsg_attrlen(gnlh, 0), NULL); | |
8041 | ||
8042 | sig_change->center_frq1 = -1; | |
8043 | sig_change->center_frq2 = -1; | |
8044 | sig_change->chanwidth = CHAN_WIDTH_UNKNOWN; | |
8045 | ||
8046 | if (tb[NL80211_ATTR_CHANNEL_WIDTH]) { | |
8047 | sig_change->chanwidth = convert2width( | |
8048 | nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH])); | |
8049 | if (tb[NL80211_ATTR_CENTER_FREQ1]) | |
8050 | sig_change->center_frq1 = | |
8051 | nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]); | |
8052 | if (tb[NL80211_ATTR_CENTER_FREQ2]) | |
8053 | sig_change->center_frq2 = | |
8054 | nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]); | |
8055 | } | |
8056 | ||
8057 | return NL_SKIP; | |
8058 | } | |
8059 | ||
8060 | ||
8061 | static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv, | |
8062 | struct wpa_signal_info *sig) | |
8063 | { | |
8064 | struct nl_msg *msg; | |
8065 | ||
8066 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE); | |
8067 | return send_and_recv_msgs(drv, msg, get_channel_width, sig); | |
8068 | } | |
8069 | ||
8070 | ||
8071 | static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si) | |
8072 | { | |
8073 | struct i802_bss *bss = priv; | |
8074 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8075 | int res; | |
8076 | ||
8077 | os_memset(si, 0, sizeof(*si)); | |
8078 | res = nl80211_get_link_signal(drv, si); | |
8079 | if (res) { | |
8080 | if (drv->nlmode != NL80211_IFTYPE_ADHOC && | |
8081 | drv->nlmode != NL80211_IFTYPE_MESH_POINT) | |
8082 | return res; | |
8083 | si->current_signal = 0; | |
8084 | } | |
8085 | ||
8086 | res = nl80211_get_channel_width(drv, si); | |
8087 | if (res != 0) | |
8088 | return res; | |
8089 | ||
8090 | return nl80211_get_link_noise(drv, si); | |
8091 | } | |
8092 | ||
8093 | ||
8094 | static int nl80211_set_param(void *priv, const char *param) | |
8095 | { | |
8096 | struct i802_bss *bss = priv; | |
8097 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8098 | ||
8099 | if (param == NULL) | |
8100 | return 0; | |
8101 | wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param); | |
8102 | ||
8103 | #ifdef CONFIG_P2P | |
8104 | if (os_strstr(param, "use_p2p_group_interface=1")) { | |
8105 | wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " | |
8106 | "interface"); | |
8107 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; | |
8108 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; | |
8109 | } | |
8110 | #endif /* CONFIG_P2P */ | |
8111 | ||
8112 | if (os_strstr(param, "use_monitor=1")) | |
8113 | drv->use_monitor = 1; | |
8114 | ||
8115 | if (os_strstr(param, "force_connect_cmd=1")) { | |
8116 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME; | |
8117 | drv->force_connect_cmd = 1; | |
8118 | } | |
8119 | ||
8120 | if (os_strstr(param, "force_bss_selection=1")) | |
8121 | drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION; | |
8122 | ||
8123 | if (os_strstr(param, "no_offchannel_tx=1")) { | |
8124 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX; | |
8125 | drv->test_use_roc_tx = 1; | |
8126 | } | |
8127 | ||
8128 | if (os_strstr(param, "control_port=0")) | |
8129 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_CONTROL_PORT; | |
8130 | ||
8131 | return 0; | |
8132 | } | |
8133 | ||
8134 | ||
8135 | static void * nl80211_global_init(void *ctx) | |
8136 | { | |
8137 | struct nl80211_global *global; | |
8138 | struct netlink_config *cfg; | |
8139 | ||
8140 | global = os_zalloc(sizeof(*global)); | |
8141 | if (global == NULL) | |
8142 | return NULL; | |
8143 | global->ctx = ctx; | |
8144 | global->ioctl_sock = -1; | |
8145 | dl_list_init(&global->interfaces); | |
8146 | global->if_add_ifindex = -1; | |
8147 | ||
8148 | cfg = os_zalloc(sizeof(*cfg)); | |
8149 | if (cfg == NULL) | |
8150 | goto err; | |
8151 | ||
8152 | cfg->ctx = global; | |
8153 | cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink; | |
8154 | cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink; | |
8155 | global->netlink = netlink_init(cfg); | |
8156 | if (global->netlink == NULL) { | |
8157 | os_free(cfg); | |
8158 | goto err; | |
8159 | } | |
8160 | ||
8161 | if (wpa_driver_nl80211_init_nl_global(global) < 0) | |
8162 | goto err; | |
8163 | ||
8164 | global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); | |
8165 | if (global->ioctl_sock < 0) { | |
8166 | wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s", | |
8167 | strerror(errno)); | |
8168 | goto err; | |
8169 | } | |
8170 | ||
8171 | return global; | |
8172 | ||
8173 | err: | |
8174 | nl80211_global_deinit(global); | |
8175 | return NULL; | |
8176 | } | |
8177 | ||
8178 | ||
8179 | static void nl80211_global_deinit(void *priv) | |
8180 | { | |
8181 | struct nl80211_global *global = priv; | |
8182 | if (global == NULL) | |
8183 | return; | |
8184 | if (!dl_list_empty(&global->interfaces)) { | |
8185 | wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at " | |
8186 | "nl80211_global_deinit", | |
8187 | dl_list_len(&global->interfaces)); | |
8188 | } | |
8189 | ||
8190 | if (global->netlink) | |
8191 | netlink_deinit(global->netlink); | |
8192 | ||
8193 | nl_destroy_handles(&global->nl); | |
8194 | ||
8195 | if (global->nl_event) | |
8196 | nl80211_destroy_eloop_handle(&global->nl_event, 0); | |
8197 | ||
8198 | nl_cb_put(global->nl_cb); | |
8199 | ||
8200 | if (global->ioctl_sock >= 0) | |
8201 | close(global->ioctl_sock); | |
8202 | ||
8203 | os_free(global); | |
8204 | } | |
8205 | ||
8206 | ||
8207 | static const char * nl80211_get_radio_name(void *priv) | |
8208 | { | |
8209 | struct i802_bss *bss = priv; | |
8210 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8211 | return drv->phyname; | |
8212 | } | |
8213 | ||
8214 | ||
8215 | static int nl80211_pmkid(struct i802_bss *bss, int cmd, | |
8216 | struct wpa_pmkid_params *params) | |
8217 | { | |
8218 | struct nl_msg *msg; | |
8219 | const size_t PMK_MAX_LEN = 48; /* current cfg80211 limit */ | |
8220 | ||
8221 | if (!(msg = nl80211_bss_msg(bss, 0, cmd)) || | |
8222 | (params->pmkid && | |
8223 | nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) || | |
8224 | (params->bssid && | |
8225 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) || | |
8226 | (params->ssid_len && | |
8227 | nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) || | |
8228 | (params->fils_cache_id && | |
8229 | nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2, | |
8230 | params->fils_cache_id)) || | |
8231 | (cmd != NL80211_CMD_DEL_PMKSA && | |
8232 | params->pmk_len && params->pmk_len <= PMK_MAX_LEN && | |
8233 | nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) { | |
8234 | nl80211_nlmsg_clear(msg); | |
8235 | nlmsg_free(msg); | |
8236 | return -ENOBUFS; | |
8237 | } | |
8238 | ||
8239 | return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1); | |
8240 | } | |
8241 | ||
8242 | ||
8243 | static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params) | |
8244 | { | |
8245 | struct i802_bss *bss = priv; | |
8246 | int ret; | |
8247 | ||
8248 | if (params->bssid) | |
8249 | wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, | |
8250 | MAC2STR(params->bssid)); | |
8251 | else if (params->fils_cache_id && params->ssid_len) { | |
8252 | wpa_printf(MSG_DEBUG, | |
8253 | "nl80211: Add PMKSA for cache id %02x%02x SSID %s", | |
8254 | params->fils_cache_id[0], params->fils_cache_id[1], | |
8255 | wpa_ssid_txt(params->ssid, params->ssid_len)); | |
8256 | } | |
8257 | ||
8258 | ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params); | |
8259 | if (ret < 0) { | |
8260 | wpa_printf(MSG_DEBUG, | |
8261 | "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)", | |
8262 | ret, strerror(-ret)); | |
8263 | } | |
8264 | ||
8265 | return ret; | |
8266 | } | |
8267 | ||
8268 | ||
8269 | static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params) | |
8270 | { | |
8271 | struct i802_bss *bss = priv; | |
8272 | int ret; | |
8273 | ||
8274 | if (params->bssid) | |
8275 | wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR, | |
8276 | MAC2STR(params->bssid)); | |
8277 | else if (params->fils_cache_id && params->ssid_len) { | |
8278 | wpa_printf(MSG_DEBUG, | |
8279 | "nl80211: Delete PMKSA for cache id %02x%02x SSID %s", | |
8280 | params->fils_cache_id[0], params->fils_cache_id[1], | |
8281 | wpa_ssid_txt(params->ssid, params->ssid_len)); | |
8282 | } | |
8283 | ||
8284 | ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params); | |
8285 | if (ret < 0) { | |
8286 | wpa_printf(MSG_DEBUG, | |
8287 | "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)", | |
8288 | ret, strerror(-ret)); | |
8289 | } | |
8290 | ||
8291 | return ret; | |
8292 | } | |
8293 | ||
8294 | ||
8295 | static int nl80211_flush_pmkid(void *priv) | |
8296 | { | |
8297 | struct i802_bss *bss = priv; | |
8298 | struct nl_msg *msg; | |
8299 | ||
8300 | wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs"); | |
8301 | msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA); | |
8302 | if (!msg) | |
8303 | return -ENOBUFS; | |
8304 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
8305 | } | |
8306 | ||
8307 | ||
8308 | static void clean_survey_results(struct survey_results *survey_results) | |
8309 | { | |
8310 | struct freq_survey *survey, *tmp; | |
8311 | ||
8312 | if (dl_list_empty(&survey_results->survey_list)) | |
8313 | return; | |
8314 | ||
8315 | dl_list_for_each_safe(survey, tmp, &survey_results->survey_list, | |
8316 | struct freq_survey, list) { | |
8317 | dl_list_del(&survey->list); | |
8318 | os_free(survey); | |
8319 | } | |
8320 | } | |
8321 | ||
8322 | ||
8323 | static void add_survey(struct nlattr **sinfo, u32 ifidx, | |
8324 | struct dl_list *survey_list) | |
8325 | { | |
8326 | struct freq_survey *survey; | |
8327 | ||
8328 | survey = os_zalloc(sizeof(struct freq_survey)); | |
8329 | if (!survey) | |
8330 | return; | |
8331 | ||
8332 | survey->ifidx = ifidx; | |
8333 | survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]); | |
8334 | survey->filled = 0; | |
8335 | ||
8336 | if (sinfo[NL80211_SURVEY_INFO_NOISE]) { | |
8337 | survey->nf = (int8_t) | |
8338 | nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
8339 | survey->filled |= SURVEY_HAS_NF; | |
8340 | } | |
8341 | ||
8342 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) { | |
8343 | survey->channel_time = | |
8344 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]); | |
8345 | survey->filled |= SURVEY_HAS_CHAN_TIME; | |
8346 | } | |
8347 | ||
8348 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) { | |
8349 | survey->channel_time_busy = | |
8350 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]); | |
8351 | survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY; | |
8352 | } | |
8353 | ||
8354 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) { | |
8355 | survey->channel_time_rx = | |
8356 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]); | |
8357 | survey->filled |= SURVEY_HAS_CHAN_TIME_RX; | |
8358 | } | |
8359 | ||
8360 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) { | |
8361 | survey->channel_time_tx = | |
8362 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]); | |
8363 | survey->filled |= SURVEY_HAS_CHAN_TIME_TX; | |
8364 | } | |
8365 | ||
8366 | 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)", | |
8367 | survey->freq, | |
8368 | survey->nf, | |
8369 | (unsigned long int) survey->channel_time, | |
8370 | (unsigned long int) survey->channel_time_busy, | |
8371 | (unsigned long int) survey->channel_time_tx, | |
8372 | (unsigned long int) survey->channel_time_rx, | |
8373 | survey->filled); | |
8374 | ||
8375 | dl_list_add_tail(survey_list, &survey->list); | |
8376 | } | |
8377 | ||
8378 | ||
8379 | static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq, | |
8380 | unsigned int freq_filter) | |
8381 | { | |
8382 | if (!freq_filter) | |
8383 | return 1; | |
8384 | ||
8385 | return freq_filter == surveyed_freq; | |
8386 | } | |
8387 | ||
8388 | ||
8389 | static int survey_handler(struct nl_msg *msg, void *arg) | |
8390 | { | |
8391 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
8392 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
8393 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
8394 | struct survey_results *survey_results; | |
8395 | u32 surveyed_freq = 0; | |
8396 | u32 ifidx; | |
8397 | ||
8398 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
8399 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
8400 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
8401 | }; | |
8402 | ||
8403 | survey_results = (struct survey_results *) arg; | |
8404 | ||
8405 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
8406 | genlmsg_attrlen(gnlh, 0), NULL); | |
8407 | ||
8408 | if (!tb[NL80211_ATTR_IFINDEX]) | |
8409 | return NL_SKIP; | |
8410 | ||
8411 | ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
8412 | ||
8413 | if (!tb[NL80211_ATTR_SURVEY_INFO]) | |
8414 | return NL_SKIP; | |
8415 | ||
8416 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
8417 | tb[NL80211_ATTR_SURVEY_INFO], | |
8418 | survey_policy)) | |
8419 | return NL_SKIP; | |
8420 | ||
8421 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) { | |
8422 | wpa_printf(MSG_ERROR, "nl80211: Invalid survey data"); | |
8423 | return NL_SKIP; | |
8424 | } | |
8425 | ||
8426 | surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]); | |
8427 | ||
8428 | if (!check_survey_ok(sinfo, surveyed_freq, | |
8429 | survey_results->freq_filter)) | |
8430 | return NL_SKIP; | |
8431 | ||
8432 | if (survey_results->freq_filter && | |
8433 | survey_results->freq_filter != surveyed_freq) { | |
8434 | wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz", | |
8435 | surveyed_freq); | |
8436 | return NL_SKIP; | |
8437 | } | |
8438 | ||
8439 | add_survey(sinfo, ifidx, &survey_results->survey_list); | |
8440 | ||
8441 | return NL_SKIP; | |
8442 | } | |
8443 | ||
8444 | ||
8445 | static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq) | |
8446 | { | |
8447 | struct i802_bss *bss = priv; | |
8448 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8449 | struct nl_msg *msg; | |
8450 | int err; | |
8451 | union wpa_event_data data; | |
8452 | struct survey_results *survey_results; | |
8453 | ||
8454 | os_memset(&data, 0, sizeof(data)); | |
8455 | survey_results = &data.survey_results; | |
8456 | ||
8457 | dl_list_init(&survey_results->survey_list); | |
8458 | ||
8459 | msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); | |
8460 | if (!msg) | |
8461 | return -ENOBUFS; | |
8462 | ||
8463 | if (freq) | |
8464 | data.survey_results.freq_filter = freq; | |
8465 | ||
8466 | do { | |
8467 | wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data"); | |
8468 | err = send_and_recv_msgs(drv, msg, survey_handler, | |
8469 | survey_results); | |
8470 | } while (err > 0); | |
8471 | ||
8472 | if (err) | |
8473 | wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data"); | |
8474 | else | |
8475 | wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data); | |
8476 | ||
8477 | clean_survey_results(survey_results); | |
8478 | return err; | |
8479 | } | |
8480 | ||
8481 | ||
8482 | static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len, | |
8483 | const u8 *kck, size_t kck_len, | |
8484 | const u8 *replay_ctr) | |
8485 | { | |
8486 | struct i802_bss *bss = priv; | |
8487 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8488 | struct nlattr *replay_nested; | |
8489 | struct nl_msg *msg; | |
8490 | int ret; | |
8491 | ||
8492 | if (!drv->set_rekey_offload) | |
8493 | return; | |
8494 | ||
8495 | wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload"); | |
8496 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) || | |
8497 | !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) || | |
8498 | nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) || | |
8499 | (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) || | |
8500 | nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN, | |
8501 | replay_ctr)) { | |
8502 | nl80211_nlmsg_clear(msg); | |
8503 | nlmsg_free(msg); | |
8504 | return; | |
8505 | } | |
8506 | ||
8507 | nla_nest_end(msg, replay_nested); | |
8508 | ||
8509 | ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1); | |
8510 | if (ret == -EOPNOTSUPP) { | |
8511 | wpa_printf(MSG_DEBUG, | |
8512 | "nl80211: Driver does not support rekey offload"); | |
8513 | drv->set_rekey_offload = 0; | |
8514 | } | |
8515 | } | |
8516 | ||
8517 | ||
8518 | static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr, | |
8519 | const u8 *addr, int qos) | |
8520 | { | |
8521 | /* send data frame to poll STA and check whether | |
8522 | * this frame is ACKed */ | |
8523 | struct { | |
8524 | struct ieee80211_hdr hdr; | |
8525 | u16 qos_ctl; | |
8526 | } STRUCT_PACKED nulldata; | |
8527 | size_t size; | |
8528 | ||
8529 | /* Send data frame to poll STA and check whether this frame is ACKed */ | |
8530 | ||
8531 | os_memset(&nulldata, 0, sizeof(nulldata)); | |
8532 | ||
8533 | if (qos) { | |
8534 | nulldata.hdr.frame_control = | |
8535 | IEEE80211_FC(WLAN_FC_TYPE_DATA, | |
8536 | WLAN_FC_STYPE_QOS_NULL); | |
8537 | size = sizeof(nulldata); | |
8538 | } else { | |
8539 | nulldata.hdr.frame_control = | |
8540 | IEEE80211_FC(WLAN_FC_TYPE_DATA, | |
8541 | WLAN_FC_STYPE_NULLFUNC); | |
8542 | size = sizeof(struct ieee80211_hdr); | |
8543 | } | |
8544 | ||
8545 | nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS); | |
8546 | os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN); | |
8547 | os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); | |
8548 | os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); | |
8549 | ||
8550 | if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0, | |
8551 | 0, 0, NULL, 0, 0) < 0) | |
8552 | wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to " | |
8553 | "send poll frame"); | |
8554 | } | |
8555 | ||
8556 | static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr, | |
8557 | int qos) | |
8558 | { | |
8559 | struct i802_bss *bss = priv; | |
8560 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8561 | struct nl_msg *msg; | |
8562 | u64 cookie; | |
8563 | int ret; | |
8564 | ||
8565 | if (!drv->poll_command_supported) { | |
8566 | nl80211_send_null_frame(bss, own_addr, addr, qos); | |
8567 | return; | |
8568 | } | |
8569 | ||
8570 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) || | |
8571 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) { | |
8572 | nlmsg_free(msg); | |
8573 | return; | |
8574 | } | |
8575 | ||
8576 | ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); | |
8577 | if (ret < 0) { | |
8578 | wpa_printf(MSG_DEBUG, "nl80211: Client probe request for " | |
8579 | MACSTR " failed: ret=%d (%s)", | |
8580 | MAC2STR(addr), ret, strerror(-ret)); | |
8581 | } else { | |
8582 | wpa_printf(MSG_DEBUG, | |
8583 | "nl80211: Client probe request addr=" MACSTR | |
8584 | " cookie=%llu", MAC2STR(addr), | |
8585 | (long long unsigned int) cookie); | |
8586 | } | |
8587 | } | |
8588 | ||
8589 | ||
8590 | static int nl80211_set_power_save(struct i802_bss *bss, int enabled) | |
8591 | { | |
8592 | struct nl_msg *msg; | |
8593 | int ret; | |
8594 | ||
8595 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) || | |
8596 | nla_put_u32(msg, NL80211_ATTR_PS_STATE, | |
8597 | enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) { | |
8598 | nlmsg_free(msg); | |
8599 | return -ENOBUFS; | |
8600 | } | |
8601 | ||
8602 | ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
8603 | if (ret < 0) { | |
8604 | wpa_printf(MSG_DEBUG, | |
8605 | "nl80211: Setting PS state %s failed: %d (%s)", | |
8606 | enabled ? "enabled" : "disabled", | |
8607 | ret, strerror(-ret)); | |
8608 | } | |
8609 | return ret; | |
8610 | } | |
8611 | ||
8612 | ||
8613 | static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps, | |
8614 | int ctwindow) | |
8615 | { | |
8616 | struct i802_bss *bss = priv; | |
8617 | ||
8618 | wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d " | |
8619 | "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow); | |
8620 | ||
8621 | if (opp_ps != -1 || ctwindow != -1) { | |
8622 | #ifdef ANDROID_P2P | |
8623 | wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow); | |
8624 | #else /* ANDROID_P2P */ | |
8625 | return -1; /* Not yet supported */ | |
8626 | #endif /* ANDROID_P2P */ | |
8627 | } | |
8628 | ||
8629 | if (legacy_ps == -1) | |
8630 | return 0; | |
8631 | if (legacy_ps != 0 && legacy_ps != 1) | |
8632 | return -1; /* Not yet supported */ | |
8633 | ||
8634 | return nl80211_set_power_save(bss, legacy_ps); | |
8635 | } | |
8636 | ||
8637 | ||
8638 | static int nl80211_start_radar_detection(void *priv, | |
8639 | struct hostapd_freq_params *freq) | |
8640 | { | |
8641 | struct i802_bss *bss = priv; | |
8642 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8643 | struct nl_msg *msg; | |
8644 | int ret; | |
8645 | ||
8646 | wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)", | |
8647 | freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled, | |
8648 | freq->bandwidth, freq->center_freq1, freq->center_freq2); | |
8649 | ||
8650 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) { | |
8651 | wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar " | |
8652 | "detection"); | |
8653 | return -1; | |
8654 | } | |
8655 | ||
8656 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) || | |
8657 | nl80211_put_freq_params(msg, freq) < 0) { | |
8658 | nlmsg_free(msg); | |
8659 | return -1; | |
8660 | } | |
8661 | ||
8662 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8663 | if (ret == 0) | |
8664 | return 0; | |
8665 | wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: " | |
8666 | "%d (%s)", ret, strerror(-ret)); | |
8667 | return -1; | |
8668 | } | |
8669 | ||
8670 | #ifdef CONFIG_TDLS | |
8671 | ||
8672 | static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code, | |
8673 | u8 dialog_token, u16 status_code, | |
8674 | u32 peer_capab, int initiator, const u8 *buf, | |
8675 | size_t len) | |
8676 | { | |
8677 | struct i802_bss *bss = priv; | |
8678 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8679 | struct nl_msg *msg; | |
8680 | ||
8681 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
8682 | return -EOPNOTSUPP; | |
8683 | ||
8684 | if (!dst) | |
8685 | return -EINVAL; | |
8686 | ||
8687 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) || | |
8688 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
8689 | nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) || | |
8690 | nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) || | |
8691 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code)) | |
8692 | goto fail; | |
8693 | if (peer_capab) { | |
8694 | /* | |
8695 | * The internal enum tdls_peer_capability definition is | |
8696 | * currently identical with the nl80211 enum | |
8697 | * nl80211_tdls_peer_capability, so no conversion is needed | |
8698 | * here. | |
8699 | */ | |
8700 | if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY, | |
8701 | peer_capab)) | |
8702 | goto fail; | |
8703 | } | |
8704 | if ((initiator && | |
8705 | nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) || | |
8706 | nla_put(msg, NL80211_ATTR_IE, len, buf)) | |
8707 | goto fail; | |
8708 | ||
8709 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
8710 | ||
8711 | fail: | |
8712 | nlmsg_free(msg); | |
8713 | return -ENOBUFS; | |
8714 | } | |
8715 | ||
8716 | ||
8717 | static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer) | |
8718 | { | |
8719 | struct i802_bss *bss = priv; | |
8720 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8721 | struct nl_msg *msg; | |
8722 | enum nl80211_tdls_operation nl80211_oper; | |
8723 | int res; | |
8724 | ||
8725 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
8726 | return -EOPNOTSUPP; | |
8727 | ||
8728 | switch (oper) { | |
8729 | case TDLS_DISCOVERY_REQ: | |
8730 | nl80211_oper = NL80211_TDLS_DISCOVERY_REQ; | |
8731 | break; | |
8732 | case TDLS_SETUP: | |
8733 | nl80211_oper = NL80211_TDLS_SETUP; | |
8734 | break; | |
8735 | case TDLS_TEARDOWN: | |
8736 | nl80211_oper = NL80211_TDLS_TEARDOWN; | |
8737 | break; | |
8738 | case TDLS_ENABLE_LINK: | |
8739 | nl80211_oper = NL80211_TDLS_ENABLE_LINK; | |
8740 | break; | |
8741 | case TDLS_DISABLE_LINK: | |
8742 | nl80211_oper = NL80211_TDLS_DISABLE_LINK; | |
8743 | break; | |
8744 | case TDLS_ENABLE: | |
8745 | return 0; | |
8746 | case TDLS_DISABLE: | |
8747 | return 0; | |
8748 | default: | |
8749 | return -EINVAL; | |
8750 | } | |
8751 | ||
8752 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) || | |
8753 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) || | |
8754 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) { | |
8755 | nlmsg_free(msg); | |
8756 | return -ENOBUFS; | |
8757 | } | |
8758 | ||
8759 | res = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8760 | wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR | |
8761 | " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res, | |
8762 | strerror(-res)); | |
8763 | return res; | |
8764 | } | |
8765 | ||
8766 | ||
8767 | static int | |
8768 | nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class, | |
8769 | const struct hostapd_freq_params *params) | |
8770 | { | |
8771 | struct i802_bss *bss = priv; | |
8772 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8773 | struct nl_msg *msg; | |
8774 | int ret = -ENOBUFS; | |
8775 | ||
8776 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) || | |
8777 | !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)) | |
8778 | return -EOPNOTSUPP; | |
8779 | ||
8780 | wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR | |
8781 | " oper_class=%u freq=%u", | |
8782 | MAC2STR(addr), oper_class, params->freq); | |
8783 | msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH); | |
8784 | if (!msg || | |
8785 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
8786 | nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) || | |
8787 | (ret = nl80211_put_freq_params(msg, params))) { | |
8788 | nlmsg_free(msg); | |
8789 | wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch"); | |
8790 | return ret; | |
8791 | } | |
8792 | ||
8793 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
8794 | } | |
8795 | ||
8796 | ||
8797 | static int | |
8798 | nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr) | |
8799 | { | |
8800 | struct i802_bss *bss = priv; | |
8801 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8802 | struct nl_msg *msg; | |
8803 | ||
8804 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) || | |
8805 | !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)) | |
8806 | return -EOPNOTSUPP; | |
8807 | ||
8808 | wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR, | |
8809 | MAC2STR(addr)); | |
8810 | msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH); | |
8811 | if (!msg || | |
8812 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) { | |
8813 | nlmsg_free(msg); | |
8814 | wpa_printf(MSG_DEBUG, | |
8815 | "nl80211: Could not build TDLS cancel chan switch"); | |
8816 | return -ENOBUFS; | |
8817 | } | |
8818 | ||
8819 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
8820 | } | |
8821 | ||
8822 | #endif /* CONFIG TDLS */ | |
8823 | ||
8824 | ||
8825 | static int driver_nl80211_set_key(void *priv, | |
8826 | struct wpa_driver_set_key_params *params) | |
8827 | { | |
8828 | struct i802_bss *bss = priv; | |
8829 | ||
8830 | return wpa_driver_nl80211_set_key(bss, params); | |
8831 | } | |
8832 | ||
8833 | ||
8834 | static int driver_nl80211_scan2(void *priv, | |
8835 | struct wpa_driver_scan_params *params) | |
8836 | { | |
8837 | struct i802_bss *bss = priv; | |
8838 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
8839 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8840 | ||
8841 | /* | |
8842 | * Do a vendor specific scan if possible. If only_new_results is | |
8843 | * set, do a normal scan since a kernel (cfg80211) BSS cache flush | |
8844 | * cannot be achieved through a vendor scan. The below condition may | |
8845 | * need to be modified if new scan flags are added in the future whose | |
8846 | * functionality can only be achieved through a normal scan. | |
8847 | */ | |
8848 | if (drv->scan_vendor_cmd_avail && !params->only_new_results) | |
8849 | return wpa_driver_nl80211_vendor_scan(bss, params); | |
8850 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
8851 | return wpa_driver_nl80211_scan(bss, params); | |
8852 | } | |
8853 | ||
8854 | ||
8855 | static int driver_nl80211_deauthenticate(void *priv, const u8 *addr, | |
8856 | u16 reason_code) | |
8857 | { | |
8858 | struct i802_bss *bss = priv; | |
8859 | return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code); | |
8860 | } | |
8861 | ||
8862 | ||
8863 | static int driver_nl80211_authenticate(void *priv, | |
8864 | struct wpa_driver_auth_params *params) | |
8865 | { | |
8866 | struct i802_bss *bss = priv; | |
8867 | return wpa_driver_nl80211_authenticate(bss, params); | |
8868 | } | |
8869 | ||
8870 | ||
8871 | static void driver_nl80211_deinit(void *priv) | |
8872 | { | |
8873 | struct i802_bss *bss = priv; | |
8874 | wpa_driver_nl80211_deinit(bss); | |
8875 | } | |
8876 | ||
8877 | ||
8878 | static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type, | |
8879 | const char *ifname) | |
8880 | { | |
8881 | struct i802_bss *bss = priv; | |
8882 | return wpa_driver_nl80211_if_remove(bss, type, ifname); | |
8883 | } | |
8884 | ||
8885 | ||
8886 | static int driver_nl80211_send_mlme(void *priv, const u8 *data, | |
8887 | size_t data_len, int noack, | |
8888 | unsigned int freq, | |
8889 | const u16 *csa_offs, size_t csa_offs_len, | |
8890 | int no_encrypt, unsigned int wait) | |
8891 | { | |
8892 | struct i802_bss *bss = priv; | |
8893 | return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack, | |
8894 | freq, 0, 0, wait, csa_offs, | |
8895 | csa_offs_len, no_encrypt); | |
8896 | } | |
8897 | ||
8898 | ||
8899 | static int driver_nl80211_sta_remove(void *priv, const u8 *addr) | |
8900 | { | |
8901 | struct i802_bss *bss = priv; | |
8902 | return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0); | |
8903 | } | |
8904 | ||
8905 | ||
8906 | static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr, | |
8907 | const char *ifname, int vlan_id) | |
8908 | { | |
8909 | struct i802_bss *bss = priv; | |
8910 | return i802_set_sta_vlan(bss, addr, ifname, vlan_id); | |
8911 | } | |
8912 | ||
8913 | ||
8914 | static int driver_nl80211_read_sta_data(void *priv, | |
8915 | struct hostap_sta_driver_data *data, | |
8916 | const u8 *addr) | |
8917 | { | |
8918 | struct i802_bss *bss = priv; | |
8919 | ||
8920 | os_memset(data, 0, sizeof(*data)); | |
8921 | return i802_read_sta_data(bss, data, addr); | |
8922 | } | |
8923 | ||
8924 | ||
8925 | static int driver_nl80211_send_action(void *priv, unsigned int freq, | |
8926 | unsigned int wait_time, | |
8927 | const u8 *dst, const u8 *src, | |
8928 | const u8 *bssid, | |
8929 | const u8 *data, size_t data_len, | |
8930 | int no_cck) | |
8931 | { | |
8932 | struct i802_bss *bss = priv; | |
8933 | return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src, | |
8934 | bssid, data, data_len, no_cck); | |
8935 | } | |
8936 | ||
8937 | ||
8938 | static int driver_nl80211_probe_req_report(void *priv, int report) | |
8939 | { | |
8940 | struct i802_bss *bss = priv; | |
8941 | return wpa_driver_nl80211_probe_req_report(bss, report); | |
8942 | } | |
8943 | ||
8944 | ||
8945 | static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md, | |
8946 | const u8 *ies, size_t ies_len) | |
8947 | { | |
8948 | int ret; | |
8949 | struct nl_msg *msg; | |
8950 | struct i802_bss *bss = priv; | |
8951 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8952 | u16 mdid = WPA_GET_LE16(md); | |
8953 | ||
8954 | wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs"); | |
8955 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) || | |
8956 | nla_put(msg, NL80211_ATTR_IE, ies_len, ies) || | |
8957 | nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) { | |
8958 | nlmsg_free(msg); | |
8959 | return -ENOBUFS; | |
8960 | } | |
8961 | ||
8962 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8963 | if (ret) { | |
8964 | wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed " | |
8965 | "err=%d (%s)", ret, strerror(-ret)); | |
8966 | } | |
8967 | ||
8968 | return ret; | |
8969 | } | |
8970 | ||
8971 | ||
8972 | static int nl80211_update_dh_ie(void *priv, const u8 *peer_mac, | |
8973 | u16 reason_code, const u8 *ie, size_t ie_len) | |
8974 | { | |
8975 | int ret; | |
8976 | struct nl_msg *msg; | |
8977 | struct i802_bss *bss = priv; | |
8978 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8979 | ||
8980 | wpa_printf(MSG_DEBUG, "nl80211: Updating DH IE peer: " MACSTR | |
8981 | " reason %u", MAC2STR(peer_mac), reason_code); | |
8982 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UPDATE_OWE_INFO)) || | |
8983 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_mac) || | |
8984 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, reason_code) || | |
8985 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) { | |
8986 | nlmsg_free(msg); | |
8987 | return -ENOBUFS; | |
8988 | } | |
8989 | ||
8990 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8991 | if (ret) { | |
8992 | wpa_printf(MSG_DEBUG, | |
8993 | "nl80211: update_dh_ie failed err=%d (%s)", | |
8994 | ret, strerror(-ret)); | |
8995 | } | |
8996 | ||
8997 | return ret; | |
8998 | } | |
8999 | ||
9000 | ||
9001 | static const u8 * wpa_driver_nl80211_get_macaddr(void *priv) | |
9002 | { | |
9003 | struct i802_bss *bss = priv; | |
9004 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9005 | ||
9006 | if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) | |
9007 | return NULL; | |
9008 | ||
9009 | return bss->addr; | |
9010 | } | |
9011 | ||
9012 | ||
9013 | static const char * scan_state_str(enum scan_states scan_state) | |
9014 | { | |
9015 | switch (scan_state) { | |
9016 | case NO_SCAN: | |
9017 | return "NO_SCAN"; | |
9018 | case SCAN_REQUESTED: | |
9019 | return "SCAN_REQUESTED"; | |
9020 | case SCAN_STARTED: | |
9021 | return "SCAN_STARTED"; | |
9022 | case SCAN_COMPLETED: | |
9023 | return "SCAN_COMPLETED"; | |
9024 | case SCAN_ABORTED: | |
9025 | return "SCAN_ABORTED"; | |
9026 | case SCHED_SCAN_STARTED: | |
9027 | return "SCHED_SCAN_STARTED"; | |
9028 | case SCHED_SCAN_STOPPED: | |
9029 | return "SCHED_SCAN_STOPPED"; | |
9030 | case SCHED_SCAN_RESULTS: | |
9031 | return "SCHED_SCAN_RESULTS"; | |
9032 | } | |
9033 | ||
9034 | return "??"; | |
9035 | } | |
9036 | ||
9037 | ||
9038 | static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen) | |
9039 | { | |
9040 | struct i802_bss *bss = priv; | |
9041 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9042 | int res; | |
9043 | char *pos, *end; | |
9044 | struct nl_msg *msg; | |
9045 | char alpha2[3] = { 0, 0, 0 }; | |
9046 | ||
9047 | pos = buf; | |
9048 | end = buf + buflen; | |
9049 | ||
9050 | res = os_snprintf(pos, end - pos, | |
9051 | "ifindex=%d\n" | |
9052 | "ifname=%s\n" | |
9053 | "brname=%s\n" | |
9054 | "addr=" MACSTR "\n" | |
9055 | "freq=%d\n" | |
9056 | "%s%s%s%s%s%s", | |
9057 | bss->ifindex, | |
9058 | bss->ifname, | |
9059 | bss->brname, | |
9060 | MAC2STR(bss->addr), | |
9061 | bss->freq, | |
9062 | bss->beacon_set ? "beacon_set=1\n" : "", | |
9063 | bss->added_if_into_bridge ? | |
9064 | "added_if_into_bridge=1\n" : "", | |
9065 | bss->already_in_bridge ? "already_in_bridge=1\n" : "", | |
9066 | bss->added_bridge ? "added_bridge=1\n" : "", | |
9067 | bss->in_deinit ? "in_deinit=1\n" : "", | |
9068 | bss->if_dynamic ? "if_dynamic=1\n" : ""); | |
9069 | if (os_snprintf_error(end - pos, res)) | |
9070 | return pos - buf; | |
9071 | pos += res; | |
9072 | ||
9073 | if (bss->wdev_id_set) { | |
9074 | res = os_snprintf(pos, end - pos, "wdev_id=%llu\n", | |
9075 | (unsigned long long) bss->wdev_id); | |
9076 | if (os_snprintf_error(end - pos, res)) | |
9077 | return pos - buf; | |
9078 | pos += res; | |
9079 | } | |
9080 | ||
9081 | res = os_snprintf(pos, end - pos, | |
9082 | "phyname=%s\n" | |
9083 | "perm_addr=" MACSTR "\n" | |
9084 | "drv_ifindex=%d\n" | |
9085 | "operstate=%d\n" | |
9086 | "scan_state=%s\n" | |
9087 | "auth_bssid=" MACSTR "\n" | |
9088 | "auth_attempt_bssid=" MACSTR "\n" | |
9089 | "bssid=" MACSTR "\n" | |
9090 | "prev_bssid=" MACSTR "\n" | |
9091 | "associated=%d\n" | |
9092 | "assoc_freq=%u\n" | |
9093 | "monitor_sock=%d\n" | |
9094 | "monitor_ifidx=%d\n" | |
9095 | "monitor_refcount=%d\n" | |
9096 | "last_mgmt_freq=%u\n" | |
9097 | "eapol_tx_sock=%d\n" | |
9098 | "%s%s%s%s%s%s%s%s%s%s%s%s%s", | |
9099 | drv->phyname, | |
9100 | MAC2STR(drv->perm_addr), | |
9101 | drv->ifindex, | |
9102 | drv->operstate, | |
9103 | scan_state_str(drv->scan_state), | |
9104 | MAC2STR(drv->auth_bssid), | |
9105 | MAC2STR(drv->auth_attempt_bssid), | |
9106 | MAC2STR(drv->bssid), | |
9107 | MAC2STR(drv->prev_bssid), | |
9108 | drv->associated, | |
9109 | drv->assoc_freq, | |
9110 | drv->monitor_sock, | |
9111 | drv->monitor_ifidx, | |
9112 | drv->monitor_refcount, | |
9113 | drv->last_mgmt_freq, | |
9114 | drv->eapol_tx_sock, | |
9115 | drv->ignore_if_down_event ? | |
9116 | "ignore_if_down_event=1\n" : "", | |
9117 | drv->scan_complete_events ? | |
9118 | "scan_complete_events=1\n" : "", | |
9119 | drv->disabled_11b_rates ? | |
9120 | "disabled_11b_rates=1\n" : "", | |
9121 | drv->pending_remain_on_chan ? | |
9122 | "pending_remain_on_chan=1\n" : "", | |
9123 | drv->in_interface_list ? "in_interface_list=1\n" : "", | |
9124 | drv->device_ap_sme ? "device_ap_sme=1\n" : "", | |
9125 | drv->poll_command_supported ? | |
9126 | "poll_command_supported=1\n" : "", | |
9127 | drv->data_tx_status ? "data_tx_status=1\n" : "", | |
9128 | drv->scan_for_auth ? "scan_for_auth=1\n" : "", | |
9129 | drv->retry_auth ? "retry_auth=1\n" : "", | |
9130 | drv->use_monitor ? "use_monitor=1\n" : "", | |
9131 | drv->ignore_next_local_disconnect ? | |
9132 | "ignore_next_local_disconnect=1\n" : "", | |
9133 | drv->ignore_next_local_deauth ? | |
9134 | "ignore_next_local_deauth=1\n" : ""); | |
9135 | if (os_snprintf_error(end - pos, res)) | |
9136 | return pos - buf; | |
9137 | pos += res; | |
9138 | ||
9139 | if (drv->has_capability) { | |
9140 | res = os_snprintf(pos, end - pos, | |
9141 | "capa.key_mgmt=0x%x\n" | |
9142 | "capa.enc=0x%x\n" | |
9143 | "capa.auth=0x%x\n" | |
9144 | "capa.flags=0x%llx\n" | |
9145 | "capa.rrm_flags=0x%x\n" | |
9146 | "capa.max_scan_ssids=%d\n" | |
9147 | "capa.max_sched_scan_ssids=%d\n" | |
9148 | "capa.sched_scan_supported=%d\n" | |
9149 | "capa.max_match_sets=%d\n" | |
9150 | "capa.max_remain_on_chan=%u\n" | |
9151 | "capa.max_stations=%u\n" | |
9152 | "capa.probe_resp_offloads=0x%x\n" | |
9153 | "capa.max_acl_mac_addrs=%u\n" | |
9154 | "capa.num_multichan_concurrent=%u\n" | |
9155 | "capa.mac_addr_rand_sched_scan_supported=%d\n" | |
9156 | "capa.mac_addr_rand_scan_supported=%d\n" | |
9157 | "capa.conc_capab=%u\n" | |
9158 | "capa.max_conc_chan_2_4=%u\n" | |
9159 | "capa.max_conc_chan_5_0=%u\n" | |
9160 | "capa.max_sched_scan_plans=%u\n" | |
9161 | "capa.max_sched_scan_plan_interval=%u\n" | |
9162 | "capa.max_sched_scan_plan_iterations=%u\n", | |
9163 | drv->capa.key_mgmt, | |
9164 | drv->capa.enc, | |
9165 | drv->capa.auth, | |
9166 | (unsigned long long) drv->capa.flags, | |
9167 | drv->capa.rrm_flags, | |
9168 | drv->capa.max_scan_ssids, | |
9169 | drv->capa.max_sched_scan_ssids, | |
9170 | drv->capa.sched_scan_supported, | |
9171 | drv->capa.max_match_sets, | |
9172 | drv->capa.max_remain_on_chan, | |
9173 | drv->capa.max_stations, | |
9174 | drv->capa.probe_resp_offloads, | |
9175 | drv->capa.max_acl_mac_addrs, | |
9176 | drv->capa.num_multichan_concurrent, | |
9177 | drv->capa.mac_addr_rand_sched_scan_supported, | |
9178 | drv->capa.mac_addr_rand_scan_supported, | |
9179 | drv->capa.conc_capab, | |
9180 | drv->capa.max_conc_chan_2_4, | |
9181 | drv->capa.max_conc_chan_5_0, | |
9182 | drv->capa.max_sched_scan_plans, | |
9183 | drv->capa.max_sched_scan_plan_interval, | |
9184 | drv->capa.max_sched_scan_plan_iterations); | |
9185 | if (os_snprintf_error(end - pos, res)) | |
9186 | return pos - buf; | |
9187 | pos += res; | |
9188 | } | |
9189 | ||
9190 | msg = nlmsg_alloc(); | |
9191 | if (msg && | |
9192 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) && | |
9193 | nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) { | |
9194 | if (send_and_recv_msgs(drv, msg, nl80211_get_country, | |
9195 | alpha2) == 0 && | |
9196 | alpha2[0]) { | |
9197 | res = os_snprintf(pos, end - pos, "country=%s\n", | |
9198 | alpha2); | |
9199 | if (os_snprintf_error(end - pos, res)) | |
9200 | return pos - buf; | |
9201 | pos += res; | |
9202 | } | |
9203 | } else { | |
9204 | nlmsg_free(msg); | |
9205 | } | |
9206 | ||
9207 | return pos - buf; | |
9208 | } | |
9209 | ||
9210 | ||
9211 | static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings) | |
9212 | { | |
9213 | if ((settings->head && | |
9214 | nla_put(msg, NL80211_ATTR_BEACON_HEAD, | |
9215 | settings->head_len, settings->head)) || | |
9216 | (settings->tail && | |
9217 | nla_put(msg, NL80211_ATTR_BEACON_TAIL, | |
9218 | settings->tail_len, settings->tail)) || | |
9219 | (settings->beacon_ies && | |
9220 | nla_put(msg, NL80211_ATTR_IE, | |
9221 | settings->beacon_ies_len, settings->beacon_ies)) || | |
9222 | (settings->proberesp_ies && | |
9223 | nla_put(msg, NL80211_ATTR_IE_PROBE_RESP, | |
9224 | settings->proberesp_ies_len, settings->proberesp_ies)) || | |
9225 | (settings->assocresp_ies && | |
9226 | nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP, | |
9227 | settings->assocresp_ies_len, settings->assocresp_ies)) || | |
9228 | (settings->probe_resp && | |
9229 | nla_put(msg, NL80211_ATTR_PROBE_RESP, | |
9230 | settings->probe_resp_len, settings->probe_resp))) | |
9231 | return -ENOBUFS; | |
9232 | ||
9233 | return 0; | |
9234 | } | |
9235 | ||
9236 | ||
9237 | static int nl80211_switch_channel(void *priv, struct csa_settings *settings) | |
9238 | { | |
9239 | struct nl_msg *msg; | |
9240 | struct i802_bss *bss = priv; | |
9241 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9242 | struct nlattr *beacon_csa; | |
9243 | int ret = -ENOBUFS; | |
9244 | int csa_off_len = 0; | |
9245 | int i; | |
9246 | ||
9247 | wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)", | |
9248 | settings->cs_count, settings->block_tx, | |
9249 | settings->freq_params.freq, settings->freq_params.bandwidth, | |
9250 | settings->freq_params.center_freq1, | |
9251 | settings->freq_params.center_freq2); | |
9252 | ||
9253 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) { | |
9254 | wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command"); | |
9255 | return -EOPNOTSUPP; | |
9256 | } | |
9257 | ||
9258 | if (drv->nlmode != NL80211_IFTYPE_AP && | |
9259 | drv->nlmode != NL80211_IFTYPE_P2P_GO && | |
9260 | drv->nlmode != NL80211_IFTYPE_MESH_POINT) | |
9261 | return -EOPNOTSUPP; | |
9262 | ||
9263 | /* | |
9264 | * Remove empty counters, assuming Probe Response and Beacon frame | |
9265 | * counters match. This implementation assumes that there are only two | |
9266 | * counters. | |
9267 | */ | |
9268 | if (settings->counter_offset_beacon[0] && | |
9269 | !settings->counter_offset_beacon[1]) { | |
9270 | csa_off_len = 1; | |
9271 | } else if (settings->counter_offset_beacon[1] && | |
9272 | !settings->counter_offset_beacon[0]) { | |
9273 | csa_off_len = 1; | |
9274 | settings->counter_offset_beacon[0] = | |
9275 | settings->counter_offset_beacon[1]; | |
9276 | settings->counter_offset_presp[0] = | |
9277 | settings->counter_offset_presp[1]; | |
9278 | } else if (settings->counter_offset_beacon[1] && | |
9279 | settings->counter_offset_beacon[0]) { | |
9280 | csa_off_len = 2; | |
9281 | } else { | |
9282 | wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided"); | |
9283 | return -EINVAL; | |
9284 | } | |
9285 | ||
9286 | /* Check CSA counters validity */ | |
9287 | if (drv->capa.max_csa_counters && | |
9288 | csa_off_len > drv->capa.max_csa_counters) { | |
9289 | wpa_printf(MSG_ERROR, | |
9290 | "nl80211: Too many CSA counters provided"); | |
9291 | return -EINVAL; | |
9292 | } | |
9293 | ||
9294 | if (!settings->beacon_csa.tail) | |
9295 | return -EINVAL; | |
9296 | ||
9297 | for (i = 0; i < csa_off_len; i++) { | |
9298 | u16 csa_c_off_bcn = settings->counter_offset_beacon[i]; | |
9299 | u16 csa_c_off_presp = settings->counter_offset_presp[i]; | |
9300 | ||
9301 | if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) || | |
9302 | (settings->beacon_csa.tail[csa_c_off_bcn] != | |
9303 | settings->cs_count)) | |
9304 | return -EINVAL; | |
9305 | ||
9306 | if (settings->beacon_csa.probe_resp && | |
9307 | ((settings->beacon_csa.probe_resp_len <= | |
9308 | csa_c_off_presp) || | |
9309 | (settings->beacon_csa.probe_resp[csa_c_off_presp] != | |
9310 | settings->cs_count))) | |
9311 | return -EINVAL; | |
9312 | } | |
9313 | ||
9314 | if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) || | |
9315 | nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, | |
9316 | settings->cs_count) || | |
9317 | (ret = nl80211_put_freq_params(msg, &settings->freq_params)) || | |
9318 | (settings->block_tx && | |
9319 | nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))) | |
9320 | goto error; | |
9321 | ||
9322 | /* beacon_after params */ | |
9323 | ret = set_beacon_data(msg, &settings->beacon_after); | |
9324 | if (ret) | |
9325 | goto error; | |
9326 | ||
9327 | /* beacon_csa params */ | |
9328 | beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES); | |
9329 | if (!beacon_csa) | |
9330 | goto fail; | |
9331 | ||
9332 | ret = set_beacon_data(msg, &settings->beacon_csa); | |
9333 | if (ret) | |
9334 | goto error; | |
9335 | ||
9336 | if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON, | |
9337 | csa_off_len * sizeof(u16), | |
9338 | settings->counter_offset_beacon) || | |
9339 | (settings->beacon_csa.probe_resp && | |
9340 | nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP, | |
9341 | csa_off_len * sizeof(u16), | |
9342 | settings->counter_offset_presp))) | |
9343 | goto fail; | |
9344 | ||
9345 | nla_nest_end(msg, beacon_csa); | |
9346 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9347 | if (ret) { | |
9348 | wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)", | |
9349 | ret, strerror(-ret)); | |
9350 | } | |
9351 | return ret; | |
9352 | ||
9353 | fail: | |
9354 | ret = -ENOBUFS; | |
9355 | error: | |
9356 | nlmsg_free(msg); | |
9357 | wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request"); | |
9358 | return ret; | |
9359 | } | |
9360 | ||
9361 | ||
9362 | static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr, | |
9363 | u8 user_priority, u16 admitted_time) | |
9364 | { | |
9365 | struct i802_bss *bss = priv; | |
9366 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9367 | struct nl_msg *msg; | |
9368 | int ret; | |
9369 | ||
9370 | wpa_printf(MSG_DEBUG, | |
9371 | "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d", | |
9372 | tsid, admitted_time, user_priority); | |
9373 | ||
9374 | if (!is_sta_interface(drv->nlmode)) | |
9375 | return -ENOTSUP; | |
9376 | ||
9377 | msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS); | |
9378 | if (!msg || | |
9379 | nla_put_u8(msg, NL80211_ATTR_TSID, tsid) || | |
9380 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9381 | nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) || | |
9382 | nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) { | |
9383 | nlmsg_free(msg); | |
9384 | return -ENOBUFS; | |
9385 | } | |
9386 | ||
9387 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9388 | if (ret) | |
9389 | wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)", | |
9390 | ret, strerror(-ret)); | |
9391 | return ret; | |
9392 | } | |
9393 | ||
9394 | ||
9395 | static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr) | |
9396 | { | |
9397 | struct i802_bss *bss = priv; | |
9398 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9399 | struct nl_msg *msg; | |
9400 | int ret; | |
9401 | ||
9402 | wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid); | |
9403 | ||
9404 | if (!is_sta_interface(drv->nlmode)) | |
9405 | return -ENOTSUP; | |
9406 | ||
9407 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) || | |
9408 | nla_put_u8(msg, NL80211_ATTR_TSID, tsid) || | |
9409 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) { | |
9410 | nlmsg_free(msg); | |
9411 | return -ENOBUFS; | |
9412 | } | |
9413 | ||
9414 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9415 | if (ret) | |
9416 | wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)", | |
9417 | ret, strerror(-ret)); | |
9418 | return ret; | |
9419 | } | |
9420 | ||
9421 | ||
9422 | #ifdef CONFIG_TESTING_OPTIONS | |
9423 | static int cmd_reply_handler(struct nl_msg *msg, void *arg) | |
9424 | { | |
9425 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
9426 | struct wpabuf *buf = arg; | |
9427 | ||
9428 | if (!buf) | |
9429 | return NL_SKIP; | |
9430 | ||
9431 | if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) { | |
9432 | wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply"); | |
9433 | return NL_SKIP; | |
9434 | } | |
9435 | ||
9436 | wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0), | |
9437 | genlmsg_attrlen(gnlh, 0)); | |
9438 | ||
9439 | return NL_SKIP; | |
9440 | } | |
9441 | #endif /* CONFIG_TESTING_OPTIONS */ | |
9442 | ||
9443 | ||
9444 | static int vendor_reply_handler(struct nl_msg *msg, void *arg) | |
9445 | { | |
9446 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
9447 | struct nlattr *nl_vendor_reply, *nl; | |
9448 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
9449 | struct wpabuf *buf = arg; | |
9450 | int rem; | |
9451 | ||
9452 | if (!buf) | |
9453 | return NL_SKIP; | |
9454 | ||
9455 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
9456 | genlmsg_attrlen(gnlh, 0), NULL); | |
9457 | nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA]; | |
9458 | ||
9459 | if (!nl_vendor_reply) | |
9460 | return NL_SKIP; | |
9461 | ||
9462 | if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) { | |
9463 | wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply"); | |
9464 | return NL_SKIP; | |
9465 | } | |
9466 | ||
9467 | nla_for_each_nested(nl, nl_vendor_reply, rem) { | |
9468 | wpabuf_put_data(buf, nla_data(nl), nla_len(nl)); | |
9469 | } | |
9470 | ||
9471 | return NL_SKIP; | |
9472 | } | |
9473 | ||
9474 | ||
9475 | static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id, | |
9476 | unsigned int subcmd, const u8 *data, | |
9477 | size_t data_len, struct wpabuf *buf) | |
9478 | { | |
9479 | struct i802_bss *bss = priv; | |
9480 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9481 | struct nl_msg *msg; | |
9482 | int ret; | |
9483 | ||
9484 | #ifdef CONFIG_TESTING_OPTIONS | |
9485 | if (vendor_id == 0xffffffff) { | |
9486 | msg = nlmsg_alloc(); | |
9487 | if (!msg) | |
9488 | return -ENOMEM; | |
9489 | ||
9490 | nl80211_cmd(drv, msg, 0, subcmd); | |
9491 | if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) < | |
9492 | 0) | |
9493 | goto fail; | |
9494 | ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf); | |
9495 | if (ret) | |
9496 | wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d", | |
9497 | ret); | |
9498 | return ret; | |
9499 | } | |
9500 | #endif /* CONFIG_TESTING_OPTIONS */ | |
9501 | ||
9502 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) || | |
9503 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) || | |
9504 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) || | |
9505 | (data && | |
9506 | nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data))) | |
9507 | goto fail; | |
9508 | ||
9509 | ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf); | |
9510 | if (ret) | |
9511 | wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d", | |
9512 | ret); | |
9513 | return ret; | |
9514 | ||
9515 | fail: | |
9516 | nlmsg_free(msg); | |
9517 | return -ENOBUFS; | |
9518 | } | |
9519 | ||
9520 | ||
9521 | static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set, | |
9522 | u8 qos_map_set_len) | |
9523 | { | |
9524 | struct i802_bss *bss = priv; | |
9525 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9526 | struct nl_msg *msg; | |
9527 | int ret; | |
9528 | ||
9529 | wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map", | |
9530 | qos_map_set, qos_map_set_len); | |
9531 | ||
9532 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) || | |
9533 | nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) { | |
9534 | nlmsg_free(msg); | |
9535 | return -ENOBUFS; | |
9536 | } | |
9537 | ||
9538 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9539 | if (ret) | |
9540 | wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed"); | |
9541 | ||
9542 | return ret; | |
9543 | } | |
9544 | ||
9545 | ||
9546 | static int get_wowlan_handler(struct nl_msg *msg, void *arg) | |
9547 | { | |
9548 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
9549 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
9550 | int *wowlan_enabled = arg; | |
9551 | ||
9552 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
9553 | genlmsg_attrlen(gnlh, 0), NULL); | |
9554 | ||
9555 | *wowlan_enabled = !!tb[NL80211_ATTR_WOWLAN_TRIGGERS]; | |
9556 | ||
9557 | return NL_SKIP; | |
9558 | } | |
9559 | ||
9560 | ||
9561 | static int nl80211_get_wowlan(void *priv) | |
9562 | { | |
9563 | struct i802_bss *bss = priv; | |
9564 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9565 | struct nl_msg *msg; | |
9566 | int wowlan_enabled; | |
9567 | int ret; | |
9568 | ||
9569 | wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status"); | |
9570 | ||
9571 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_WOWLAN); | |
9572 | ||
9573 | ret = send_and_recv_msgs(drv, msg, get_wowlan_handler, &wowlan_enabled); | |
9574 | if (ret) { | |
9575 | wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status failed"); | |
9576 | return 0; | |
9577 | } | |
9578 | ||
9579 | wpa_printf(MSG_DEBUG, "nl80211: wowlan is %s", | |
9580 | wowlan_enabled ? "enabled" : "disabled"); | |
9581 | ||
9582 | return wowlan_enabled; | |
9583 | } | |
9584 | ||
9585 | ||
9586 | static int nl80211_set_wowlan(void *priv, | |
9587 | const struct wowlan_triggers *triggers) | |
9588 | { | |
9589 | struct i802_bss *bss = priv; | |
9590 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9591 | struct nl_msg *msg; | |
9592 | struct nlattr *wowlan_triggers; | |
9593 | int ret; | |
9594 | ||
9595 | wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan"); | |
9596 | ||
9597 | if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) || | |
9598 | !(wowlan_triggers = nla_nest_start(msg, | |
9599 | NL80211_ATTR_WOWLAN_TRIGGERS)) || | |
9600 | (triggers->any && | |
9601 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || | |
9602 | (triggers->disconnect && | |
9603 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || | |
9604 | (triggers->magic_pkt && | |
9605 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || | |
9606 | (triggers->gtk_rekey_failure && | |
9607 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || | |
9608 | (triggers->eap_identity_req && | |
9609 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || | |
9610 | (triggers->four_way_handshake && | |
9611 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || | |
9612 | (triggers->rfkill_release && | |
9613 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) { | |
9614 | nlmsg_free(msg); | |
9615 | return -ENOBUFS; | |
9616 | } | |
9617 | ||
9618 | nla_nest_end(msg, wowlan_triggers); | |
9619 | ||
9620 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9621 | if (ret) | |
9622 | wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed"); | |
9623 | ||
9624 | return ret; | |
9625 | } | |
9626 | ||
9627 | ||
9628 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
9629 | static int nl80211_roaming(void *priv, int allowed, const u8 *bssid) | |
9630 | { | |
9631 | struct i802_bss *bss = priv; | |
9632 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9633 | struct nl_msg *msg; | |
9634 | struct nlattr *params; | |
9635 | ||
9636 | wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed); | |
9637 | ||
9638 | if (!drv->roaming_vendor_cmd_avail) { | |
9639 | wpa_printf(MSG_DEBUG, | |
9640 | "nl80211: Ignore roaming policy change since driver does not provide command for setting it"); | |
9641 | return -1; | |
9642 | } | |
9643 | ||
9644 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
9645 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
9646 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
9647 | QCA_NL80211_VENDOR_SUBCMD_ROAMING) || | |
9648 | !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
9649 | nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY, | |
9650 | allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS : | |
9651 | QCA_ROAMING_NOT_ALLOWED) || | |
9652 | (bssid && | |
9653 | nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) { | |
9654 | nlmsg_free(msg); | |
9655 | return -1; | |
9656 | } | |
9657 | nla_nest_end(msg, params); | |
9658 | ||
9659 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
9660 | } | |
9661 | ||
9662 | ||
9663 | static int nl80211_disable_fils(void *priv, int disable) | |
9664 | { | |
9665 | struct i802_bss *bss = priv; | |
9666 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9667 | struct nl_msg *msg; | |
9668 | struct nlattr *params; | |
9669 | ||
9670 | wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable); | |
9671 | ||
9672 | if (!drv->set_wifi_conf_vendor_cmd_avail) | |
9673 | return -1; | |
9674 | ||
9675 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
9676 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
9677 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
9678 | QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) || | |
9679 | !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
9680 | nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS, | |
9681 | disable)) { | |
9682 | nlmsg_free(msg); | |
9683 | return -1; | |
9684 | } | |
9685 | nla_nest_end(msg, params); | |
9686 | ||
9687 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
9688 | } | |
9689 | ||
9690 | ||
9691 | /* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */ | |
9692 | #define WPA_SUPPLICANT_CLIENT_ID 1 | |
9693 | ||
9694 | static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid, | |
9695 | const u8 *bssid) | |
9696 | { | |
9697 | struct i802_bss *bss = priv; | |
9698 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9699 | struct nl_msg *msg; | |
9700 | struct nlattr *params, *nlbssids, *attr; | |
9701 | unsigned int i; | |
9702 | ||
9703 | wpa_printf(MSG_DEBUG, "nl80211: Set blacklist BSSID (num=%u)", | |
9704 | num_bssid); | |
9705 | ||
9706 | if (!drv->roam_vendor_cmd_avail) | |
9707 | return -1; | |
9708 | ||
9709 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
9710 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
9711 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
9712 | QCA_NL80211_VENDOR_SUBCMD_ROAM) || | |
9713 | !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
9714 | nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD, | |
9715 | QCA_WLAN_VENDOR_ROAMING_SUBCMD_SET_BLACKLIST_BSSID) || | |
9716 | nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID, | |
9717 | WPA_SUPPLICANT_CLIENT_ID) || | |
9718 | nla_put_u32(msg, | |
9719 | QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID, | |
9720 | num_bssid)) | |
9721 | goto fail; | |
9722 | ||
9723 | nlbssids = nla_nest_start( | |
9724 | msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS); | |
9725 | if (!nlbssids) | |
9726 | goto fail; | |
9727 | ||
9728 | for (i = 0; i < num_bssid; i++) { | |
9729 | attr = nla_nest_start(msg, i); | |
9730 | if (!attr) | |
9731 | goto fail; | |
9732 | if (nla_put(msg, | |
9733 | QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID, | |
9734 | ETH_ALEN, &bssid[i * ETH_ALEN])) | |
9735 | goto fail; | |
9736 | wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i, | |
9737 | MAC2STR(&bssid[i * ETH_ALEN])); | |
9738 | nla_nest_end(msg, attr); | |
9739 | } | |
9740 | nla_nest_end(msg, nlbssids); | |
9741 | nla_nest_end(msg, params); | |
9742 | ||
9743 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
9744 | ||
9745 | fail: | |
9746 | nlmsg_free(msg); | |
9747 | return -1; | |
9748 | } | |
9749 | ||
9750 | ||
9751 | static int nl80211_add_sta_node(void *priv, const u8 *addr, u16 auth_alg) | |
9752 | { | |
9753 | struct i802_bss *bss = priv; | |
9754 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9755 | struct nl_msg *msg; | |
9756 | struct nlattr *params; | |
9757 | ||
9758 | if (!drv->add_sta_node_vendor_cmd_avail) | |
9759 | return -EOPNOTSUPP; | |
9760 | ||
9761 | wpa_printf(MSG_DEBUG, "nl80211: Add STA node"); | |
9762 | ||
9763 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
9764 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
9765 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
9766 | QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE) || | |
9767 | !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
9768 | (addr && | |
9769 | nla_put(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_MAC_ADDR, ETH_ALEN, | |
9770 | addr)) || | |
9771 | nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_AUTH_ALGO, | |
9772 | auth_alg)) { | |
9773 | nlmsg_free(msg); | |
9774 | wpa_printf(MSG_ERROR, | |
9775 | "%s: err in adding vendor_cmd and vendor_data", | |
9776 | __func__); | |
9777 | return -1; | |
9778 | } | |
9779 | nla_nest_end(msg, params); | |
9780 | ||
9781 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
9782 | } | |
9783 | ||
9784 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
9785 | ||
9786 | ||
9787 | static int nl80211_set_mac_addr(void *priv, const u8 *addr) | |
9788 | { | |
9789 | struct i802_bss *bss = priv; | |
9790 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9791 | int new_addr = addr != NULL; | |
9792 | ||
9793 | if (TEST_FAIL()) | |
9794 | return -1; | |
9795 | ||
9796 | if (!addr) | |
9797 | addr = drv->perm_addr; | |
9798 | ||
9799 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0) | |
9800 | return -1; | |
9801 | ||
9802 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0) | |
9803 | { | |
9804 | wpa_printf(MSG_DEBUG, | |
9805 | "nl80211: failed to set_mac_addr for %s to " MACSTR, | |
9806 | bss->ifname, MAC2STR(addr)); | |
9807 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, | |
9808 | 1) < 0) { | |
9809 | wpa_printf(MSG_DEBUG, | |
9810 | "nl80211: Could not restore interface UP after failed set_mac_addr"); | |
9811 | } | |
9812 | return -1; | |
9813 | } | |
9814 | ||
9815 | wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR, | |
9816 | bss->ifname, MAC2STR(addr)); | |
9817 | drv->addr_changed = new_addr; | |
9818 | os_memcpy(bss->addr, addr, ETH_ALEN); | |
9819 | ||
9820 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0) | |
9821 | { | |
9822 | wpa_printf(MSG_DEBUG, | |
9823 | "nl80211: Could not restore interface UP after set_mac_addr"); | |
9824 | } | |
9825 | ||
9826 | return 0; | |
9827 | } | |
9828 | ||
9829 | ||
9830 | #ifdef CONFIG_MESH | |
9831 | ||
9832 | static int wpa_driver_nl80211_init_mesh(void *priv) | |
9833 | { | |
9834 | if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) { | |
9835 | wpa_printf(MSG_INFO, | |
9836 | "nl80211: Failed to set interface into mesh mode"); | |
9837 | return -1; | |
9838 | } | |
9839 | return 0; | |
9840 | } | |
9841 | ||
9842 | ||
9843 | static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id, | |
9844 | size_t mesh_id_len) | |
9845 | { | |
9846 | if (mesh_id) { | |
9847 | wpa_printf(MSG_DEBUG, " * Mesh ID (SSID)=%s", | |
9848 | wpa_ssid_txt(mesh_id, mesh_id_len)); | |
9849 | return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id); | |
9850 | } | |
9851 | ||
9852 | return 0; | |
9853 | } | |
9854 | ||
9855 | ||
9856 | static int nl80211_put_mesh_config(struct nl_msg *msg, | |
9857 | struct wpa_driver_mesh_bss_params *params) | |
9858 | { | |
9859 | struct nlattr *container; | |
9860 | ||
9861 | container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); | |
9862 | if (!container) | |
9863 | return -1; | |
9864 | ||
9865 | if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) && | |
9866 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
9867 | params->auto_plinks)) || | |
9868 | ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) && | |
9869 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
9870 | params->max_peer_links)) || | |
9871 | ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) && | |
9872 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
9873 | params->rssi_threshold))) | |
9874 | return -1; | |
9875 | ||
9876 | /* | |
9877 | * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because | |
9878 | * the timer could disconnect stations even in that case. | |
9879 | */ | |
9880 | if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) && | |
9881 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
9882 | params->peer_link_timeout)) { | |
9883 | wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT"); | |
9884 | return -1; | |
9885 | } | |
9886 | ||
9887 | if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) && | |
9888 | nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) { | |
9889 | wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE"); | |
9890 | return -1; | |
9891 | } | |
9892 | ||
9893 | nla_nest_end(msg, container); | |
9894 | ||
9895 | return 0; | |
9896 | } | |
9897 | ||
9898 | ||
9899 | static int nl80211_join_mesh(struct i802_bss *bss, | |
9900 | struct wpa_driver_mesh_join_params *params) | |
9901 | { | |
9902 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9903 | struct nl_msg *msg; | |
9904 | struct nlattr *container; | |
9905 | int ret = -1; | |
9906 | ||
9907 | wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex); | |
9908 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH); | |
9909 | if (!msg || | |
9910 | nl80211_put_freq_params(msg, ¶ms->freq) || | |
9911 | nl80211_put_basic_rates(msg, params->basic_rates) || | |
9912 | nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) || | |
9913 | nl80211_put_beacon_int(msg, params->beacon_int) || | |
9914 | nl80211_put_dtim_period(msg, params->dtim_period)) | |
9915 | goto fail; | |
9916 | ||
9917 | wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags); | |
9918 | ||
9919 | container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP); | |
9920 | if (!container) | |
9921 | goto fail; | |
9922 | ||
9923 | if (params->ies) { | |
9924 | wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len); | |
9925 | if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len, | |
9926 | params->ies)) | |
9927 | goto fail; | |
9928 | } | |
9929 | /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */ | |
9930 | if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) { | |
9931 | if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) || | |
9932 | nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH)) | |
9933 | goto fail; | |
9934 | } | |
9935 | if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) && | |
9936 | nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE)) | |
9937 | goto fail; | |
9938 | if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) && | |
9939 | nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM)) | |
9940 | goto fail; | |
9941 | nla_nest_end(msg, container); | |
9942 | ||
9943 | params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS; | |
9944 | params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT; | |
9945 | params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS; | |
9946 | if (nl80211_put_mesh_config(msg, ¶ms->conf) < 0) | |
9947 | goto fail; | |
9948 | ||
9949 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
9950 | msg = NULL; | |
9951 | if (ret) { | |
9952 | wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)", | |
9953 | ret, strerror(-ret)); | |
9954 | goto fail; | |
9955 | } | |
9956 | ret = 0; | |
9957 | drv->assoc_freq = bss->freq = params->freq.freq; | |
9958 | wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully"); | |
9959 | ||
9960 | fail: | |
9961 | nlmsg_free(msg); | |
9962 | return ret; | |
9963 | } | |
9964 | ||
9965 | ||
9966 | static int | |
9967 | wpa_driver_nl80211_join_mesh(void *priv, | |
9968 | struct wpa_driver_mesh_join_params *params) | |
9969 | { | |
9970 | struct i802_bss *bss = priv; | |
9971 | int ret, timeout; | |
9972 | ||
9973 | timeout = params->conf.peer_link_timeout; | |
9974 | ||
9975 | /* Disable kernel inactivity timer */ | |
9976 | if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) | |
9977 | params->conf.peer_link_timeout = 0; | |
9978 | ||
9979 | ret = nl80211_join_mesh(bss, params); | |
9980 | if (ret == -EINVAL && params->conf.peer_link_timeout == 0) { | |
9981 | wpa_printf(MSG_DEBUG, | |
9982 | "nl80211: Mesh join retry for peer_link_timeout"); | |
9983 | /* | |
9984 | * Old kernel does not support setting | |
9985 | * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds | |
9986 | * into future from peer_link_timeout. | |
9987 | */ | |
9988 | params->conf.peer_link_timeout = timeout + 60; | |
9989 | ret = nl80211_join_mesh(priv, params); | |
9990 | } | |
9991 | ||
9992 | params->conf.peer_link_timeout = timeout; | |
9993 | return ret; | |
9994 | } | |
9995 | ||
9996 | ||
9997 | static int wpa_driver_nl80211_leave_mesh(void *priv) | |
9998 | { | |
9999 | struct i802_bss *bss = priv; | |
10000 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10001 | struct nl_msg *msg; | |
10002 | int ret; | |
10003 | ||
10004 | wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex); | |
10005 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH); | |
10006 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
10007 | if (ret) { | |
10008 | wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)", | |
10009 | ret, strerror(-ret)); | |
10010 | } else { | |
10011 | wpa_printf(MSG_DEBUG, | |
10012 | "nl80211: mesh leave request send successfully"); | |
10013 | } | |
10014 | ||
10015 | if (wpa_driver_nl80211_set_mode(drv->first_bss, | |
10016 | NL80211_IFTYPE_STATION)) { | |
10017 | wpa_printf(MSG_INFO, | |
10018 | "nl80211: Failed to set interface into station mode"); | |
10019 | } | |
10020 | return ret; | |
10021 | } | |
10022 | ||
10023 | ||
10024 | static int nl80211_probe_mesh_link(void *priv, const u8 *addr, const u8 *eth, | |
10025 | size_t len) | |
10026 | { | |
10027 | struct i802_bss *bss = priv; | |
10028 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10029 | struct nl_msg *msg; | |
10030 | int ret; | |
10031 | ||
10032 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_PROBE_MESH_LINK); | |
10033 | if (!msg || | |
10034 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
10035 | nla_put(msg, NL80211_ATTR_FRAME, len, eth)) { | |
10036 | nlmsg_free(msg); | |
10037 | return -ENOBUFS; | |
10038 | } | |
10039 | ||
10040 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
10041 | if (ret) { | |
10042 | wpa_printf(MSG_DEBUG, "nl80211: mesh link probe to " MACSTR | |
10043 | " failed: ret=%d (%s)", | |
10044 | MAC2STR(addr), ret, strerror(-ret)); | |
10045 | } else { | |
10046 | wpa_printf(MSG_DEBUG, "nl80211: Mesh link to " MACSTR | |
10047 | " probed successfully", MAC2STR(addr)); | |
10048 | } | |
10049 | ||
10050 | return ret; | |
10051 | } | |
10052 | ||
10053 | #endif /* CONFIG_MESH */ | |
10054 | ||
10055 | ||
10056 | static int wpa_driver_br_add_ip_neigh(void *priv, u8 version, | |
10057 | const u8 *ipaddr, int prefixlen, | |
10058 | const u8 *addr) | |
10059 | { | |
10060 | #ifdef CONFIG_LIBNL3_ROUTE | |
10061 | struct i802_bss *bss = priv; | |
10062 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10063 | struct rtnl_neigh *rn; | |
10064 | struct nl_addr *nl_ipaddr = NULL; | |
10065 | struct nl_addr *nl_lladdr = NULL; | |
10066 | int family, addrsize; | |
10067 | int res; | |
10068 | ||
10069 | if (!ipaddr || prefixlen == 0 || !addr) | |
10070 | return -EINVAL; | |
10071 | ||
10072 | if (bss->br_ifindex == 0) { | |
10073 | wpa_printf(MSG_DEBUG, | |
10074 | "nl80211: bridge must be set before adding an ip neigh to it"); | |
10075 | return -1; | |
10076 | } | |
10077 | ||
10078 | if (!drv->rtnl_sk) { | |
10079 | wpa_printf(MSG_DEBUG, | |
10080 | "nl80211: nl_sock for NETLINK_ROUTE is not initialized"); | |
10081 | return -1; | |
10082 | } | |
10083 | ||
10084 | if (version == 4) { | |
10085 | family = AF_INET; | |
10086 | addrsize = 4; | |
10087 | } else if (version == 6) { | |
10088 | family = AF_INET6; | |
10089 | addrsize = 16; | |
10090 | } else { | |
10091 | return -EINVAL; | |
10092 | } | |
10093 | ||
10094 | rn = rtnl_neigh_alloc(); | |
10095 | if (rn == NULL) | |
10096 | return -ENOMEM; | |
10097 | ||
10098 | /* set the destination ip address for neigh */ | |
10099 | nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize); | |
10100 | if (nl_ipaddr == NULL) { | |
10101 | wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed"); | |
10102 | res = -ENOMEM; | |
10103 | goto errout; | |
10104 | } | |
10105 | nl_addr_set_prefixlen(nl_ipaddr, prefixlen); | |
10106 | res = rtnl_neigh_set_dst(rn, nl_ipaddr); | |
10107 | if (res) { | |
10108 | wpa_printf(MSG_DEBUG, | |
10109 | "nl80211: neigh set destination addr failed"); | |
10110 | goto errout; | |
10111 | } | |
10112 | ||
10113 | /* set the corresponding lladdr for neigh */ | |
10114 | nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN); | |
10115 | if (nl_lladdr == NULL) { | |
10116 | wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed"); | |
10117 | res = -ENOMEM; | |
10118 | goto errout; | |
10119 | } | |
10120 | rtnl_neigh_set_lladdr(rn, nl_lladdr); | |
10121 | ||
10122 | rtnl_neigh_set_ifindex(rn, bss->br_ifindex); | |
10123 | rtnl_neigh_set_state(rn, NUD_PERMANENT); | |
10124 | ||
10125 | res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE); | |
10126 | if (res) { | |
10127 | wpa_printf(MSG_DEBUG, | |
10128 | "nl80211: Adding bridge ip neigh failed: %s", | |
10129 | nl_geterror(res)); | |
10130 | } | |
10131 | errout: | |
10132 | if (nl_lladdr) | |
10133 | nl_addr_put(nl_lladdr); | |
10134 | if (nl_ipaddr) | |
10135 | nl_addr_put(nl_ipaddr); | |
10136 | if (rn) | |
10137 | rtnl_neigh_put(rn); | |
10138 | return res; | |
10139 | #else /* CONFIG_LIBNL3_ROUTE */ | |
10140 | return -1; | |
10141 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
10142 | } | |
10143 | ||
10144 | ||
10145 | static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version, | |
10146 | const u8 *ipaddr) | |
10147 | { | |
10148 | #ifdef CONFIG_LIBNL3_ROUTE | |
10149 | struct i802_bss *bss = priv; | |
10150 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10151 | struct rtnl_neigh *rn; | |
10152 | struct nl_addr *nl_ipaddr; | |
10153 | int family, addrsize; | |
10154 | int res; | |
10155 | ||
10156 | if (!ipaddr) | |
10157 | return -EINVAL; | |
10158 | ||
10159 | if (version == 4) { | |
10160 | family = AF_INET; | |
10161 | addrsize = 4; | |
10162 | } else if (version == 6) { | |
10163 | family = AF_INET6; | |
10164 | addrsize = 16; | |
10165 | } else { | |
10166 | return -EINVAL; | |
10167 | } | |
10168 | ||
10169 | if (bss->br_ifindex == 0) { | |
10170 | wpa_printf(MSG_DEBUG, | |
10171 | "nl80211: bridge must be set to delete an ip neigh"); | |
10172 | return -1; | |
10173 | } | |
10174 | ||
10175 | if (!drv->rtnl_sk) { | |
10176 | wpa_printf(MSG_DEBUG, | |
10177 | "nl80211: nl_sock for NETLINK_ROUTE is not initialized"); | |
10178 | return -1; | |
10179 | } | |
10180 | ||
10181 | rn = rtnl_neigh_alloc(); | |
10182 | if (rn == NULL) | |
10183 | return -ENOMEM; | |
10184 | ||
10185 | /* set the destination ip address for neigh */ | |
10186 | nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize); | |
10187 | if (nl_ipaddr == NULL) { | |
10188 | wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed"); | |
10189 | res = -ENOMEM; | |
10190 | goto errout; | |
10191 | } | |
10192 | res = rtnl_neigh_set_dst(rn, nl_ipaddr); | |
10193 | if (res) { | |
10194 | wpa_printf(MSG_DEBUG, | |
10195 | "nl80211: neigh set destination addr failed"); | |
10196 | goto errout; | |
10197 | } | |
10198 | ||
10199 | rtnl_neigh_set_ifindex(rn, bss->br_ifindex); | |
10200 | ||
10201 | res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0); | |
10202 | if (res) { | |
10203 | wpa_printf(MSG_DEBUG, | |
10204 | "nl80211: Deleting bridge ip neigh failed: %s", | |
10205 | nl_geterror(res)); | |
10206 | } | |
10207 | errout: | |
10208 | if (nl_ipaddr) | |
10209 | nl_addr_put(nl_ipaddr); | |
10210 | if (rn) | |
10211 | rtnl_neigh_put(rn); | |
10212 | return res; | |
10213 | #else /* CONFIG_LIBNL3_ROUTE */ | |
10214 | return -1; | |
10215 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
10216 | } | |
10217 | ||
10218 | ||
10219 | static int linux_write_system_file(const char *path, unsigned int val) | |
10220 | { | |
10221 | char buf[50]; | |
10222 | int fd, len; | |
10223 | ||
10224 | len = os_snprintf(buf, sizeof(buf), "%u\n", val); | |
10225 | if (os_snprintf_error(sizeof(buf), len)) | |
10226 | return -1; | |
10227 | ||
10228 | fd = open(path, O_WRONLY); | |
10229 | if (fd < 0) | |
10230 | return -1; | |
10231 | ||
10232 | if (write(fd, buf, len) < 0) { | |
10233 | wpa_printf(MSG_DEBUG, | |
10234 | "nl80211: Failed to write Linux system file: %s with the value of %d", | |
10235 | path, val); | |
10236 | close(fd); | |
10237 | return -1; | |
10238 | } | |
10239 | close(fd); | |
10240 | ||
10241 | return 0; | |
10242 | } | |
10243 | ||
10244 | ||
10245 | static const char * drv_br_port_attr_str(enum drv_br_port_attr attr) | |
10246 | { | |
10247 | switch (attr) { | |
10248 | case DRV_BR_PORT_ATTR_PROXYARP: | |
10249 | return "proxyarp_wifi"; | |
10250 | case DRV_BR_PORT_ATTR_HAIRPIN_MODE: | |
10251 | return "hairpin_mode"; | |
10252 | } | |
10253 | ||
10254 | return NULL; | |
10255 | } | |
10256 | ||
10257 | ||
10258 | static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr, | |
10259 | unsigned int val) | |
10260 | { | |
10261 | struct i802_bss *bss = priv; | |
10262 | char path[128]; | |
10263 | const char *attr_txt; | |
10264 | ||
10265 | attr_txt = drv_br_port_attr_str(attr); | |
10266 | if (attr_txt == NULL) | |
10267 | return -EINVAL; | |
10268 | ||
10269 | os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s", | |
10270 | bss->ifname, attr_txt); | |
10271 | ||
10272 | if (linux_write_system_file(path, val)) | |
10273 | return -1; | |
10274 | ||
10275 | return 0; | |
10276 | } | |
10277 | ||
10278 | ||
10279 | static const char * drv_br_net_param_str(enum drv_br_net_param param) | |
10280 | { | |
10281 | switch (param) { | |
10282 | case DRV_BR_NET_PARAM_GARP_ACCEPT: | |
10283 | return "arp_accept"; | |
10284 | default: | |
10285 | return NULL; | |
10286 | } | |
10287 | } | |
10288 | ||
10289 | ||
10290 | static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param, | |
10291 | unsigned int val) | |
10292 | { | |
10293 | struct i802_bss *bss = priv; | |
10294 | char path[128]; | |
10295 | const char *param_txt; | |
10296 | int ip_version = 4; | |
10297 | ||
10298 | if (param == DRV_BR_MULTICAST_SNOOPING) { | |
10299 | os_snprintf(path, sizeof(path), | |
10300 | "/sys/devices/virtual/net/%s/bridge/multicast_snooping", | |
10301 | bss->brname); | |
10302 | goto set_val; | |
10303 | } | |
10304 | ||
10305 | param_txt = drv_br_net_param_str(param); | |
10306 | if (param_txt == NULL) | |
10307 | return -EINVAL; | |
10308 | ||
10309 | switch (param) { | |
10310 | case DRV_BR_NET_PARAM_GARP_ACCEPT: | |
10311 | ip_version = 4; | |
10312 | break; | |
10313 | default: | |
10314 | return -EINVAL; | |
10315 | } | |
10316 | ||
10317 | os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s", | |
10318 | ip_version, bss->brname, param_txt); | |
10319 | ||
10320 | set_val: | |
10321 | if (linux_write_system_file(path, val)) | |
10322 | return -1; | |
10323 | ||
10324 | return 0; | |
10325 | } | |
10326 | ||
10327 | ||
10328 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
10329 | ||
10330 | static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode) | |
10331 | { | |
10332 | switch (hw_mode) { | |
10333 | case HOSTAPD_MODE_IEEE80211B: | |
10334 | return QCA_ACS_MODE_IEEE80211B; | |
10335 | case HOSTAPD_MODE_IEEE80211G: | |
10336 | return QCA_ACS_MODE_IEEE80211G; | |
10337 | case HOSTAPD_MODE_IEEE80211A: | |
10338 | return QCA_ACS_MODE_IEEE80211A; | |
10339 | case HOSTAPD_MODE_IEEE80211AD: | |
10340 | return QCA_ACS_MODE_IEEE80211AD; | |
10341 | case HOSTAPD_MODE_IEEE80211ANY: | |
10342 | return QCA_ACS_MODE_IEEE80211ANY; | |
10343 | default: | |
10344 | return -1; | |
10345 | } | |
10346 | } | |
10347 | ||
10348 | ||
10349 | static int add_acs_ch_list(struct nl_msg *msg, const int *freq_list) | |
10350 | { | |
10351 | int num_channels = 0, num_freqs; | |
10352 | u8 *ch_list; | |
10353 | enum hostapd_hw_mode hw_mode; | |
10354 | int ret = 0; | |
10355 | int i; | |
10356 | ||
10357 | if (!freq_list) | |
10358 | return 0; | |
10359 | ||
10360 | num_freqs = int_array_len(freq_list); | |
10361 | ch_list = os_malloc(sizeof(u8) * num_freqs); | |
10362 | if (!ch_list) | |
10363 | return -1; | |
10364 | ||
10365 | for (i = 0; i < num_freqs; i++) { | |
10366 | const int freq = freq_list[i]; | |
10367 | ||
10368 | if (freq == 0) | |
10369 | break; | |
10370 | /* Send 2.4 GHz and 5 GHz channels with | |
10371 | * QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST to maintain backwards | |
10372 | * compatibility. | |
10373 | */ | |
10374 | if (!(freq >= 2412 && freq <= 2484) && | |
10375 | !(freq >= 5180 && freq <= 5900)) | |
10376 | continue; | |
10377 | hw_mode = ieee80211_freq_to_chan(freq, &ch_list[num_channels]); | |
10378 | if (hw_mode != NUM_HOSTAPD_MODES) | |
10379 | num_channels++; | |
10380 | } | |
10381 | ||
10382 | if (num_channels) | |
10383 | ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, | |
10384 | num_channels, ch_list); | |
10385 | ||
10386 | os_free(ch_list); | |
10387 | return ret; | |
10388 | } | |
10389 | ||
10390 | ||
10391 | static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list) | |
10392 | { | |
10393 | int i, len, ret; | |
10394 | u32 *freqs; | |
10395 | ||
10396 | if (!freq_list) | |
10397 | return 0; | |
10398 | len = int_array_len(freq_list); | |
10399 | freqs = os_malloc(sizeof(u32) * len); | |
10400 | if (!freqs) | |
10401 | return -1; | |
10402 | for (i = 0; i < len; i++) | |
10403 | freqs[i] = freq_list[i]; | |
10404 | ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST, | |
10405 | sizeof(u32) * len, freqs); | |
10406 | os_free(freqs); | |
10407 | return ret; | |
10408 | } | |
10409 | ||
10410 | ||
10411 | static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params) | |
10412 | { | |
10413 | struct i802_bss *bss = priv; | |
10414 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10415 | struct nl_msg *msg; | |
10416 | struct nlattr *data; | |
10417 | int ret; | |
10418 | int mode; | |
10419 | ||
10420 | mode = hw_mode_to_qca_acs(params->hw_mode); | |
10421 | if (mode < 0) | |
10422 | return -1; | |
10423 | ||
10424 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
10425 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
10426 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
10427 | QCA_NL80211_VENDOR_SUBCMD_DO_ACS) || | |
10428 | !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
10429 | nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) || | |
10430 | (params->ht_enabled && | |
10431 | nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) || | |
10432 | (params->ht40_enabled && | |
10433 | nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) || | |
10434 | (params->vht_enabled && | |
10435 | nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) || | |
10436 | nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH, | |
10437 | params->ch_width) || | |
10438 | add_acs_ch_list(msg, params->freq_list) || | |
10439 | add_acs_freq_list(msg, params->freq_list)) { | |
10440 | nlmsg_free(msg); | |
10441 | return -ENOBUFS; | |
10442 | } | |
10443 | nla_nest_end(msg, data); | |
10444 | ||
10445 | wpa_printf(MSG_DEBUG, | |
10446 | "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d", | |
10447 | params->hw_mode, params->ht_enabled, params->ht40_enabled, | |
10448 | params->vht_enabled, params->ch_width); | |
10449 | ||
10450 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
10451 | if (ret) { | |
10452 | wpa_printf(MSG_DEBUG, | |
10453 | "nl80211: Failed to invoke driver ACS function: %s", | |
10454 | strerror(-ret)); | |
10455 | } | |
10456 | return ret; | |
10457 | } | |
10458 | ||
10459 | ||
10460 | static int nl80211_set_band(void *priv, enum set_band band) | |
10461 | { | |
10462 | struct i802_bss *bss = priv; | |
10463 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10464 | struct nl_msg *msg; | |
10465 | struct nlattr *data; | |
10466 | int ret; | |
10467 | enum qca_set_band qca_band; | |
10468 | ||
10469 | if (!drv->setband_vendor_cmd_avail) | |
10470 | return -1; | |
10471 | ||
10472 | switch (band) { | |
10473 | case WPA_SETBAND_AUTO: | |
10474 | qca_band = QCA_SETBAND_AUTO; | |
10475 | break; | |
10476 | case WPA_SETBAND_5G: | |
10477 | qca_band = QCA_SETBAND_5G; | |
10478 | break; | |
10479 | case WPA_SETBAND_2G: | |
10480 | qca_band = QCA_SETBAND_2G; | |
10481 | break; | |
10482 | default: | |
10483 | return -1; | |
10484 | } | |
10485 | ||
10486 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
10487 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
10488 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
10489 | QCA_NL80211_VENDOR_SUBCMD_SETBAND) || | |
10490 | !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
10491 | nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) { | |
10492 | nlmsg_free(msg); | |
10493 | return -ENOBUFS; | |
10494 | } | |
10495 | nla_nest_end(msg, data); | |
10496 | ||
10497 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
10498 | if (ret) { | |
10499 | wpa_printf(MSG_DEBUG, | |
10500 | "nl80211: Driver setband function failed: %s", | |
10501 | strerror(-ret)); | |
10502 | } | |
10503 | return ret; | |
10504 | } | |
10505 | ||
10506 | ||
10507 | struct nl80211_pcl { | |
10508 | unsigned int num; | |
10509 | unsigned int *freq_list; | |
10510 | }; | |
10511 | ||
10512 | static int preferred_freq_info_handler(struct nl_msg *msg, void *arg) | |
10513 | { | |
10514 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
10515 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
10516 | struct nl80211_pcl *param = arg; | |
10517 | struct nlattr *nl_vend, *attr; | |
10518 | enum qca_iface_type iface_type; | |
10519 | struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; | |
10520 | unsigned int num, max_num; | |
10521 | u32 *freqs; | |
10522 | ||
10523 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
10524 | genlmsg_attrlen(gnlh, 0), NULL); | |
10525 | ||
10526 | nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; | |
10527 | if (!nl_vend) | |
10528 | return NL_SKIP; | |
10529 | ||
10530 | nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, | |
10531 | nla_data(nl_vend), nla_len(nl_vend), NULL); | |
10532 | ||
10533 | attr = tb_vendor[ | |
10534 | QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE]; | |
10535 | if (!attr) { | |
10536 | wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found"); | |
10537 | param->num = 0; | |
10538 | return NL_SKIP; | |
10539 | } | |
10540 | ||
10541 | iface_type = (enum qca_iface_type) nla_get_u32(attr); | |
10542 | wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d", | |
10543 | iface_type); | |
10544 | ||
10545 | attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST]; | |
10546 | if (!attr) { | |
10547 | wpa_printf(MSG_ERROR, | |
10548 | "nl80211: preferred_freq_list couldn't be found"); | |
10549 | param->num = 0; | |
10550 | return NL_SKIP; | |
10551 | } | |
10552 | ||
10553 | /* | |
10554 | * param->num has the maximum number of entries for which there | |
10555 | * is room in the freq_list provided by the caller. | |
10556 | */ | |
10557 | freqs = nla_data(attr); | |
10558 | max_num = nla_len(attr) / sizeof(u32); | |
10559 | if (max_num > param->num) | |
10560 | max_num = param->num; | |
10561 | for (num = 0; num < max_num; num++) | |
10562 | param->freq_list[num] = freqs[num]; | |
10563 | param->num = num; | |
10564 | ||
10565 | return NL_SKIP; | |
10566 | } | |
10567 | ||
10568 | ||
10569 | static int nl80211_get_pref_freq_list(void *priv, | |
10570 | enum wpa_driver_if_type if_type, | |
10571 | unsigned int *num, | |
10572 | unsigned int *freq_list) | |
10573 | { | |
10574 | struct i802_bss *bss = priv; | |
10575 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10576 | struct nl_msg *msg; | |
10577 | int ret; | |
10578 | unsigned int i; | |
10579 | struct nlattr *params; | |
10580 | struct nl80211_pcl param; | |
10581 | enum qca_iface_type iface_type; | |
10582 | ||
10583 | if (!drv->get_pref_freq_list) | |
10584 | return -1; | |
10585 | ||
10586 | switch (if_type) { | |
10587 | case WPA_IF_STATION: | |
10588 | iface_type = QCA_IFACE_TYPE_STA; | |
10589 | break; | |
10590 | case WPA_IF_AP_BSS: | |
10591 | iface_type = QCA_IFACE_TYPE_AP; | |
10592 | break; | |
10593 | case WPA_IF_P2P_GO: | |
10594 | iface_type = QCA_IFACE_TYPE_P2P_GO; | |
10595 | break; | |
10596 | case WPA_IF_P2P_CLIENT: | |
10597 | iface_type = QCA_IFACE_TYPE_P2P_CLIENT; | |
10598 | break; | |
10599 | case WPA_IF_IBSS: | |
10600 | iface_type = QCA_IFACE_TYPE_IBSS; | |
10601 | break; | |
10602 | case WPA_IF_TDLS: | |
10603 | iface_type = QCA_IFACE_TYPE_TDLS; | |
10604 | break; | |
10605 | default: | |
10606 | return -1; | |
10607 | } | |
10608 | ||
10609 | param.num = *num; | |
10610 | param.freq_list = freq_list; | |
10611 | ||
10612 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
10613 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) || | |
10614 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
10615 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
10616 | QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) || | |
10617 | !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
10618 | nla_put_u32(msg, | |
10619 | QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE, | |
10620 | iface_type)) { | |
10621 | wpa_printf(MSG_ERROR, | |
10622 | "%s: err in adding vendor_cmd and vendor_data", | |
10623 | __func__); | |
10624 | nlmsg_free(msg); | |
10625 | return -1; | |
10626 | } | |
10627 | nla_nest_end(msg, params); | |
10628 | ||
10629 | os_memset(freq_list, 0, *num * sizeof(freq_list[0])); | |
10630 | ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, ¶m); | |
10631 | if (ret) { | |
10632 | wpa_printf(MSG_ERROR, | |
10633 | "%s: err in send_and_recv_msgs", __func__); | |
10634 | return ret; | |
10635 | } | |
10636 | ||
10637 | *num = param.num; | |
10638 | ||
10639 | for (i = 0; i < *num; i++) { | |
10640 | wpa_printf(MSG_DEBUG, "nl80211: preferred_channel_list[%d]=%d", | |
10641 | i, freq_list[i]); | |
10642 | } | |
10643 | ||
10644 | return 0; | |
10645 | } | |
10646 | ||
10647 | ||
10648 | static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq) | |
10649 | { | |
10650 | struct i802_bss *bss = priv; | |
10651 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10652 | struct nl_msg *msg; | |
10653 | int ret; | |
10654 | struct nlattr *params; | |
10655 | ||
10656 | if (!drv->set_prob_oper_freq) | |
10657 | return -1; | |
10658 | ||
10659 | wpa_printf(MSG_DEBUG, | |
10660 | "nl80211: Set P2P probable operating freq %u for ifindex %d", | |
10661 | freq, bss->ifindex); | |
10662 | ||
10663 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
10664 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
10665 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
10666 | QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) || | |
10667 | !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || | |
10668 | nla_put_u32(msg, | |
10669 | QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE, | |
10670 | QCA_IFACE_TYPE_P2P_CLIENT) || | |
10671 | nla_put_u32(msg, | |
10672 | QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ, | |
10673 | freq)) { | |
10674 | wpa_printf(MSG_ERROR, | |
10675 | "%s: err in adding vendor_cmd and vendor_data", | |
10676 | __func__); | |
10677 | nlmsg_free(msg); | |
10678 | return -1; | |
10679 | } | |
10680 | nla_nest_end(msg, params); | |
10681 | ||
10682 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
10683 | msg = NULL; | |
10684 | if (ret) { | |
10685 | wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs", | |
10686 | __func__); | |
10687 | return ret; | |
10688 | } | |
10689 | nlmsg_free(msg); | |
10690 | return 0; | |
10691 | } | |
10692 | ||
10693 | ||
10694 | static int nl80211_p2p_lo_start(void *priv, unsigned int freq, | |
10695 | unsigned int period, unsigned int interval, | |
10696 | unsigned int count, const u8 *device_types, | |
10697 | size_t dev_types_len, | |
10698 | const u8 *ies, size_t ies_len) | |
10699 | { | |
10700 | struct i802_bss *bss = priv; | |
10701 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10702 | struct nl_msg *msg; | |
10703 | struct nlattr *container; | |
10704 | int ret; | |
10705 | ||
10706 | wpa_printf(MSG_DEBUG, | |
10707 | "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u", | |
10708 | freq, period, interval, count); | |
10709 | ||
10710 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD)) | |
10711 | return -1; | |
10712 | ||
10713 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
10714 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
10715 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
10716 | QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START)) | |
10717 | goto fail; | |
10718 | ||
10719 | container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
10720 | if (!container) | |
10721 | goto fail; | |
10722 | ||
10723 | if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL, | |
10724 | freq) || | |
10725 | nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD, | |
10726 | period) || | |
10727 | nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL, | |
10728 | interval) || | |
10729 | nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT, | |
10730 | count) || | |
10731 | nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES, | |
10732 | dev_types_len, device_types) || | |
10733 | nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE, | |
10734 | ies_len, ies)) | |
10735 | goto fail; | |
10736 | ||
10737 | nla_nest_end(msg, container); | |
10738 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
10739 | msg = NULL; | |
10740 | if (ret) { | |
10741 | wpa_printf(MSG_DEBUG, | |
10742 | "nl80211: Failed to send P2P Listen offload vendor command"); | |
10743 | goto fail; | |
10744 | } | |
10745 | ||
10746 | return 0; | |
10747 | ||
10748 | fail: | |
10749 | nlmsg_free(msg); | |
10750 | return -1; | |
10751 | } | |
10752 | ||
10753 | ||
10754 | static int nl80211_p2p_lo_stop(void *priv) | |
10755 | { | |
10756 | struct i802_bss *bss = priv; | |
10757 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10758 | struct nl_msg *msg; | |
10759 | ||
10760 | wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload"); | |
10761 | ||
10762 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD)) | |
10763 | return -1; | |
10764 | ||
10765 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
10766 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
10767 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
10768 | QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) { | |
10769 | nlmsg_free(msg); | |
10770 | return -1; | |
10771 | } | |
10772 | ||
10773 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
10774 | } | |
10775 | ||
10776 | ||
10777 | static int nl80211_set_tdls_mode(void *priv, int tdls_external_control) | |
10778 | { | |
10779 | struct i802_bss *bss = priv; | |
10780 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10781 | struct nl_msg *msg; | |
10782 | struct nlattr *params; | |
10783 | int ret; | |
10784 | u32 tdls_mode; | |
10785 | ||
10786 | wpa_printf(MSG_DEBUG, | |
10787 | "nl80211: Set TDKS mode: tdls_external_control=%d", | |
10788 | tdls_external_control); | |
10789 | ||
10790 | if (tdls_external_control == 1) | |
10791 | tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT | | |
10792 | QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL; | |
10793 | else | |
10794 | tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT; | |
10795 | ||
10796 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
10797 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
10798 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
10799 | QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS)) | |
10800 | goto fail; | |
10801 | ||
10802 | params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
10803 | if (!params) | |
10804 | goto fail; | |
10805 | ||
10806 | if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE, | |
10807 | tdls_mode)) | |
10808 | goto fail; | |
10809 | ||
10810 | nla_nest_end(msg, params); | |
10811 | ||
10812 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
10813 | msg = NULL; | |
10814 | if (ret) { | |
10815 | wpa_printf(MSG_ERROR, | |
10816 | "nl80211: Set TDLS mode failed: ret=%d (%s)", | |
10817 | ret, strerror(-ret)); | |
10818 | goto fail; | |
10819 | } | |
10820 | return 0; | |
10821 | fail: | |
10822 | nlmsg_free(msg); | |
10823 | return -1; | |
10824 | } | |
10825 | ||
10826 | ||
10827 | #ifdef CONFIG_MBO | |
10828 | ||
10829 | static enum mbo_transition_reject_reason | |
10830 | nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status) | |
10831 | { | |
10832 | switch (status) { | |
10833 | case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED: | |
10834 | return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS; | |
10835 | case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED: | |
10836 | return MBO_TRANSITION_REJECT_REASON_DELAY; | |
10837 | case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY: | |
10838 | return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY; | |
10839 | case QCA_STATUS_REJECT_LOW_RSSI: | |
10840 | return MBO_TRANSITION_REJECT_REASON_RSSI; | |
10841 | case QCA_STATUS_REJECT_HIGH_INTERFERENCE: | |
10842 | return MBO_TRANSITION_REJECT_REASON_INTERFERENCE; | |
10843 | case QCA_STATUS_REJECT_UNKNOWN: | |
10844 | default: | |
10845 | return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED; | |
10846 | } | |
10847 | } | |
10848 | ||
10849 | ||
10850 | static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate, | |
10851 | struct nlattr *tb[], int num) | |
10852 | { | |
10853 | enum qca_wlan_btm_candidate_status status; | |
10854 | char buf[50]; | |
10855 | ||
10856 | os_memcpy(candidate->bssid, | |
10857 | nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]), | |
10858 | ETH_ALEN); | |
10859 | ||
10860 | status = nla_get_u32( | |
10861 | tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]); | |
10862 | candidate->is_accept = status == QCA_STATUS_ACCEPT; | |
10863 | candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status); | |
10864 | ||
10865 | if (candidate->is_accept) | |
10866 | os_snprintf(buf, sizeof(buf), "Accepted"); | |
10867 | else | |
10868 | os_snprintf(buf, sizeof(buf), | |
10869 | "Rejected, Reject_reason: %d", | |
10870 | candidate->reject_reason); | |
10871 | wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s", | |
10872 | num, MAC2STR(candidate->bssid), buf); | |
10873 | } | |
10874 | ||
10875 | ||
10876 | static int | |
10877 | nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg) | |
10878 | { | |
10879 | struct wpa_bss_candidate_info *info = arg; | |
10880 | struct candidate_list *candidate = info->candidates; | |
10881 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
10882 | struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; | |
10883 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1]; | |
10884 | static struct nla_policy policy[ | |
10885 | QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = { | |
10886 | [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = { | |
10887 | .minlen = ETH_ALEN | |
10888 | }, | |
10889 | [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = { | |
10890 | .type = NLA_U32, | |
10891 | }, | |
10892 | }; | |
10893 | struct nlattr *attr; | |
10894 | int rem; | |
10895 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
10896 | u8 num; | |
10897 | ||
10898 | num = info->num; /* number of candidates sent to driver */ | |
10899 | info->num = 0; | |
10900 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
10901 | genlmsg_attrlen(gnlh, 0), NULL); | |
10902 | ||
10903 | if (!tb_msg[NL80211_ATTR_VENDOR_DATA] || | |
10904 | nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, | |
10905 | tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) || | |
10906 | !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO]) | |
10907 | return NL_SKIP; | |
10908 | ||
10909 | wpa_printf(MSG_DEBUG, | |
10910 | "nl80211: WNM Candidate list received from driver"); | |
10911 | nla_for_each_nested(attr, | |
10912 | tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO], | |
10913 | rem) { | |
10914 | if (info->num >= num || | |
10915 | nla_parse_nested( | |
10916 | tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX, | |
10917 | attr, policy) || | |
10918 | !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] || | |
10919 | !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]) | |
10920 | break; | |
10921 | ||
10922 | nl80211_parse_btm_candidate_info(candidate, tb, info->num); | |
10923 | ||
10924 | candidate++; | |
10925 | info->num++; | |
10926 | } | |
10927 | ||
10928 | return NL_SKIP; | |
10929 | } | |
10930 | ||
10931 | ||
10932 | static struct wpa_bss_candidate_info * | |
10933 | nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params) | |
10934 | { | |
10935 | struct i802_bss *bss = priv; | |
10936 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
10937 | struct nl_msg *msg; | |
10938 | struct nlattr *attr, *attr1, *attr2; | |
10939 | struct wpa_bss_candidate_info *info; | |
10940 | u8 i; | |
10941 | int ret; | |
10942 | u8 *pos; | |
10943 | ||
10944 | if (!drv->fetch_bss_trans_status) | |
10945 | return NULL; | |
10946 | ||
10947 | info = os_zalloc(sizeof(*info)); | |
10948 | if (!info) | |
10949 | return NULL; | |
10950 | /* Allocate memory for number of candidates sent to driver */ | |
10951 | info->candidates = os_calloc(params->n_candidates, | |
10952 | sizeof(*info->candidates)); | |
10953 | if (!info->candidates) { | |
10954 | os_free(info); | |
10955 | return NULL; | |
10956 | } | |
10957 | ||
10958 | /* Copy the number of candidates being sent to driver. This is used in | |
10959 | * nl80211_get_bss_transition_status_handler() to limit the number of | |
10960 | * candidates that can be populated in info->candidates and will be | |
10961 | * later overwritten with the actual number of candidates received from | |
10962 | * the driver. | |
10963 | */ | |
10964 | info->num = params->n_candidates; | |
10965 | ||
10966 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
10967 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
10968 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
10969 | QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS)) | |
10970 | goto fail; | |
10971 | ||
10972 | attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
10973 | if (!attr) | |
10974 | goto fail; | |
10975 | ||
10976 | if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON, | |
10977 | params->mbo_transition_reason)) | |
10978 | goto fail; | |
10979 | ||
10980 | attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO); | |
10981 | if (!attr1) | |
10982 | goto fail; | |
10983 | ||
10984 | wpa_printf(MSG_DEBUG, | |
10985 | "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d", | |
10986 | params->mbo_transition_reason, params->n_candidates); | |
10987 | pos = params->bssid; | |
10988 | for (i = 0; i < params->n_candidates; i++) { | |
10989 | wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i, | |
10990 | MAC2STR(pos)); | |
10991 | attr2 = nla_nest_start(msg, i); | |
10992 | if (!attr2 || | |
10993 | nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID, | |
10994 | ETH_ALEN, pos)) | |
10995 | goto fail; | |
10996 | pos += ETH_ALEN; | |
10997 | nla_nest_end(msg, attr2); | |
10998 | } | |
10999 | ||
11000 | nla_nest_end(msg, attr1); | |
11001 | nla_nest_end(msg, attr); | |
11002 | ||
11003 | ret = send_and_recv_msgs(drv, msg, | |
11004 | nl80211_get_bss_transition_status_handler, | |
11005 | info); | |
11006 | msg = NULL; | |
11007 | if (ret) { | |
11008 | wpa_printf(MSG_ERROR, | |
11009 | "nl80211: WNM Get BSS transition status failed: ret=%d (%s)", | |
11010 | ret, strerror(-ret)); | |
11011 | goto fail; | |
11012 | } | |
11013 | return info; | |
11014 | ||
11015 | fail: | |
11016 | nlmsg_free(msg); | |
11017 | os_free(info->candidates); | |
11018 | os_free(info); | |
11019 | return NULL; | |
11020 | } | |
11021 | ||
11022 | ||
11023 | /** | |
11024 | * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow | |
11025 | * @priv: Pointer to private driver data from wpa_driver_nl80211_init() | |
11026 | * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore | |
11027 | * Returns: 0 on success, -1 on failure | |
11028 | */ | |
11029 | static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow) | |
11030 | { | |
11031 | struct i802_bss *bss = priv; | |
11032 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11033 | struct nl_msg *msg; | |
11034 | struct nlattr *attr; | |
11035 | int ret = -1; | |
11036 | ||
11037 | if (!drv->set_wifi_conf_vendor_cmd_avail) | |
11038 | return -1; | |
11039 | ||
11040 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
11041 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
11042 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
11043 | QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION)) | |
11044 | goto fail; | |
11045 | ||
11046 | attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
11047 | if (!attr) | |
11048 | goto fail; | |
11049 | ||
11050 | wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d", | |
11051 | ignore_disallow); | |
11052 | if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED, | |
11053 | ignore_disallow)) | |
11054 | goto fail; | |
11055 | ||
11056 | nla_nest_end(msg, attr); | |
11057 | ||
11058 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
11059 | msg = NULL; | |
11060 | if (ret) { | |
11061 | wpa_printf(MSG_ERROR, | |
11062 | "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)", | |
11063 | ret, strerror(-ret)); | |
11064 | goto fail; | |
11065 | } | |
11066 | ||
11067 | fail: | |
11068 | nlmsg_free(msg); | |
11069 | return ret; | |
11070 | } | |
11071 | ||
11072 | #endif /* CONFIG_MBO */ | |
11073 | ||
11074 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
11075 | ||
11076 | ||
11077 | static int nl80211_write_to_file(const char *name, unsigned int val) | |
11078 | { | |
11079 | int fd, len; | |
11080 | char tmp[128]; | |
11081 | int ret = 0; | |
11082 | ||
11083 | fd = open(name, O_RDWR); | |
11084 | if (fd < 0) { | |
11085 | int level; | |
11086 | /* | |
11087 | * Flags may not exist on older kernels, or while we're tearing | |
11088 | * down a disappearing device. | |
11089 | */ | |
11090 | if (errno == ENOENT) { | |
11091 | ret = 0; | |
11092 | level = MSG_DEBUG; | |
11093 | } else { | |
11094 | ret = -1; | |
11095 | level = MSG_ERROR; | |
11096 | } | |
11097 | wpa_printf(level, "nl80211: Failed to open %s: %s", | |
11098 | name, strerror(errno)); | |
11099 | return ret; | |
11100 | } | |
11101 | ||
11102 | len = os_snprintf(tmp, sizeof(tmp), "%u\n", val); | |
11103 | len = write(fd, tmp, len); | |
11104 | if (len < 0) { | |
11105 | ret = -1; | |
11106 | wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s", | |
11107 | name, strerror(errno)); | |
11108 | } | |
11109 | close(fd); | |
11110 | ||
11111 | return ret; | |
11112 | } | |
11113 | ||
11114 | ||
11115 | static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags) | |
11116 | { | |
11117 | struct i802_bss *bss = priv; | |
11118 | char path[128]; | |
11119 | int ret; | |
11120 | ||
11121 | wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x", | |
11122 | filter_flags); | |
11123 | ||
11124 | /* Configure filtering of unicast frame encrypted using GTK */ | |
11125 | ret = os_snprintf(path, sizeof(path), | |
11126 | "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast", | |
11127 | bss->ifname); | |
11128 | if (os_snprintf_error(sizeof(path), ret)) | |
11129 | return -1; | |
11130 | ||
11131 | ret = nl80211_write_to_file(path, | |
11132 | !!(filter_flags & | |
11133 | WPA_DATA_FRAME_FILTER_FLAG_GTK)); | |
11134 | if (ret) { | |
11135 | wpa_printf(MSG_ERROR, | |
11136 | "nl80211: Failed to set IPv4 unicast in multicast filter"); | |
11137 | return ret; | |
11138 | } | |
11139 | ||
11140 | os_snprintf(path, sizeof(path), | |
11141 | "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast", | |
11142 | bss->ifname); | |
11143 | ret = nl80211_write_to_file(path, | |
11144 | !!(filter_flags & | |
11145 | WPA_DATA_FRAME_FILTER_FLAG_GTK)); | |
11146 | ||
11147 | if (ret) { | |
11148 | wpa_printf(MSG_ERROR, | |
11149 | "nl80211: Failed to set IPv6 unicast in multicast filter"); | |
11150 | return ret; | |
11151 | } | |
11152 | ||
11153 | /* Configure filtering of unicast frame encrypted using GTK */ | |
11154 | os_snprintf(path, sizeof(path), | |
11155 | "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp", | |
11156 | bss->ifname); | |
11157 | ret = nl80211_write_to_file(path, | |
11158 | !!(filter_flags & | |
11159 | WPA_DATA_FRAME_FILTER_FLAG_ARP)); | |
11160 | if (ret) { | |
11161 | wpa_printf(MSG_ERROR, | |
11162 | "nl80211: Failed set gratuitous ARP filter"); | |
11163 | return ret; | |
11164 | } | |
11165 | ||
11166 | /* Configure filtering of IPv6 NA frames */ | |
11167 | os_snprintf(path, sizeof(path), | |
11168 | "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na", | |
11169 | bss->ifname); | |
11170 | ret = nl80211_write_to_file(path, | |
11171 | !!(filter_flags & | |
11172 | WPA_DATA_FRAME_FILTER_FLAG_NA)); | |
11173 | if (ret) { | |
11174 | wpa_printf(MSG_ERROR, | |
11175 | "nl80211: Failed to set unsolicited NA filter"); | |
11176 | return ret; | |
11177 | } | |
11178 | ||
11179 | return 0; | |
11180 | } | |
11181 | ||
11182 | ||
11183 | static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type, | |
11184 | const u8 **ext_capa, const u8 **ext_capa_mask, | |
11185 | unsigned int *ext_capa_len) | |
11186 | { | |
11187 | struct i802_bss *bss = priv; | |
11188 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11189 | enum nl80211_iftype nlmode; | |
11190 | unsigned int i; | |
11191 | ||
11192 | if (!ext_capa || !ext_capa_mask || !ext_capa_len) | |
11193 | return -1; | |
11194 | ||
11195 | nlmode = wpa_driver_nl80211_if_type(type); | |
11196 | ||
11197 | /* By default, use the per-radio values */ | |
11198 | *ext_capa = drv->extended_capa; | |
11199 | *ext_capa_mask = drv->extended_capa_mask; | |
11200 | *ext_capa_len = drv->extended_capa_len; | |
11201 | ||
11202 | /* Replace the default value if a per-interface type value exists */ | |
11203 | for (i = 0; i < drv->num_iface_ext_capa; i++) { | |
11204 | if (nlmode == drv->iface_ext_capa[i].iftype) { | |
11205 | *ext_capa = drv->iface_ext_capa[i].ext_capa; | |
11206 | *ext_capa_mask = drv->iface_ext_capa[i].ext_capa_mask; | |
11207 | *ext_capa_len = drv->iface_ext_capa[i].ext_capa_len; | |
11208 | break; | |
11209 | } | |
11210 | } | |
11211 | ||
11212 | return 0; | |
11213 | } | |
11214 | ||
11215 | ||
11216 | static int nl80211_update_connection_params( | |
11217 | void *priv, struct wpa_driver_associate_params *params, | |
11218 | enum wpa_drv_update_connect_params_mask mask) | |
11219 | { | |
11220 | struct i802_bss *bss = priv; | |
11221 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11222 | struct nl_msg *msg; | |
11223 | int ret = -1; | |
11224 | enum nl80211_auth_type type; | |
11225 | ||
11226 | /* Update Connection Params is intended for drivers that implement | |
11227 | * internal SME and expect these updated connection params from | |
11228 | * wpa_supplicant. Do not send this request for the drivers using | |
11229 | * SME from wpa_supplicant. | |
11230 | */ | |
11231 | if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) | |
11232 | return 0; | |
11233 | ||
11234 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS); | |
11235 | if (!msg) | |
11236 | goto fail; | |
11237 | ||
11238 | wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)", | |
11239 | drv->ifindex); | |
11240 | ||
11241 | if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) { | |
11242 | if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, | |
11243 | params->wpa_ie)) | |
11244 | goto fail; | |
11245 | wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, | |
11246 | params->wpa_ie_len); | |
11247 | } | |
11248 | ||
11249 | if (mask & WPA_DRV_UPDATE_AUTH_TYPE) { | |
11250 | type = get_nl_auth_type(params->auth_alg); | |
11251 | if (type == NL80211_AUTHTYPE_MAX || | |
11252 | nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type)) | |
11253 | goto fail; | |
11254 | wpa_printf(MSG_DEBUG, " * Auth Type %d", type); | |
11255 | } | |
11256 | ||
11257 | if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) && | |
11258 | nl80211_put_fils_connect_params(drv, params, msg)) | |
11259 | goto fail; | |
11260 | ||
11261 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
11262 | msg = NULL; | |
11263 | if (ret) | |
11264 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
11265 | "nl80211: Update connect params command failed: ret=%d (%s)", | |
11266 | ret, strerror(-ret)); | |
11267 | ||
11268 | fail: | |
11269 | nlmsg_free(msg); | |
11270 | return ret; | |
11271 | } | |
11272 | ||
11273 | ||
11274 | static int nl80211_send_external_auth_status(void *priv, | |
11275 | struct external_auth *params) | |
11276 | { | |
11277 | struct i802_bss *bss = priv; | |
11278 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11279 | struct nl_msg *msg = NULL; | |
11280 | int ret = -1; | |
11281 | ||
11282 | /* External auth command/status is intended for drivers that implement | |
11283 | * internal SME but want to offload authentication processing (e.g., | |
11284 | * SAE) to hostapd/wpa_supplicant. Do not send the status to drivers | |
11285 | * which do not support AP SME or use wpa_supplicant/hostapd SME. | |
11286 | */ | |
11287 | if ((is_ap_interface(drv->nlmode) && !bss->drv->device_ap_sme) || | |
11288 | (drv->capa.flags & WPA_DRIVER_FLAGS_SME)) | |
11289 | return -1; | |
11290 | ||
11291 | wpa_dbg(drv->ctx, MSG_DEBUG, | |
11292 | "nl80211: External auth status: %u", params->status); | |
11293 | ||
11294 | msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH); | |
11295 | if (!msg || | |
11296 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) || | |
11297 | (params->ssid && params->ssid_len && | |
11298 | nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) || | |
11299 | (params->pmkid && | |
11300 | nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) || | |
11301 | (params->bssid && | |
11302 | nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid))) | |
11303 | goto fail; | |
11304 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
11305 | msg = NULL; | |
11306 | if (ret) { | |
11307 | wpa_printf(MSG_DEBUG, | |
11308 | "nl80211: External Auth status update failed: ret=%d (%s)", | |
11309 | ret, strerror(-ret)); | |
11310 | goto fail; | |
11311 | } | |
11312 | fail: | |
11313 | nlmsg_free(msg); | |
11314 | return ret; | |
11315 | } | |
11316 | ||
11317 | ||
11318 | static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname, | |
11319 | int val) | |
11320 | { | |
11321 | struct i802_bss *bss = priv; | |
11322 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
11323 | struct nl_msg *msg; | |
11324 | int ret = -ENOBUFS; | |
11325 | ||
11326 | wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)", | |
11327 | val ? "Enable" : "Disable", bridge_ifname); | |
11328 | ||
11329 | msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE); | |
11330 | if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val)) | |
11331 | goto fail; | |
11332 | ||
11333 | if (bridge_ifname[0] && bss->added_if_into_bridge && !val) { | |
11334 | if (linux_br_del_if(drv->global->ioctl_sock, | |
11335 | bridge_ifname, bss->ifname)) { | |
11336 | wpa_printf(MSG_ERROR, | |
11337 | "nl80211: Failed to remove interface %s from bridge %s", | |
11338 | bss->ifname, bridge_ifname); | |
11339 | return -1; | |
11340 | } | |
11341 | bss->added_if_into_bridge = 0; | |
11342 | } | |
11343 | ||
11344 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
11345 | msg = NULL; | |
11346 | if (!ret) { | |
11347 | if (bridge_ifname[0] && val && | |
11348 | i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0) | |
11349 | return -1; | |
11350 | return 0; | |
11351 | } | |
11352 | ||
11353 | fail: | |
11354 | nlmsg_free(msg); | |
11355 | wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr"); | |
11356 | ||
11357 | return ret; | |
11358 | } | |
11359 | ||
11360 | ||
11361 | const struct wpa_driver_ops wpa_driver_nl80211_ops = { | |
11362 | .name = "nl80211", | |
11363 | .desc = "Linux nl80211/cfg80211", | |
11364 | .get_bssid = wpa_driver_nl80211_get_bssid, | |
11365 | .get_ssid = wpa_driver_nl80211_get_ssid, | |
11366 | .set_key = driver_nl80211_set_key, | |
11367 | .scan2 = driver_nl80211_scan2, | |
11368 | .sched_scan = wpa_driver_nl80211_sched_scan, | |
11369 | .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan, | |
11370 | .get_scan_results2 = wpa_driver_nl80211_get_scan_results, | |
11371 | .abort_scan = wpa_driver_nl80211_abort_scan, | |
11372 | .deauthenticate = driver_nl80211_deauthenticate, | |
11373 | .authenticate = driver_nl80211_authenticate, | |
11374 | .associate = wpa_driver_nl80211_associate, | |
11375 | .global_init = nl80211_global_init, | |
11376 | .global_deinit = nl80211_global_deinit, | |
11377 | .init2 = wpa_driver_nl80211_init, | |
11378 | .deinit = driver_nl80211_deinit, | |
11379 | .get_capa = wpa_driver_nl80211_get_capa, | |
11380 | .set_operstate = wpa_driver_nl80211_set_operstate, | |
11381 | .set_supp_port = wpa_driver_nl80211_set_supp_port, | |
11382 | .set_country = wpa_driver_nl80211_set_country, | |
11383 | .get_country = wpa_driver_nl80211_get_country, | |
11384 | .set_ap = wpa_driver_nl80211_set_ap, | |
11385 | .set_acl = wpa_driver_nl80211_set_acl, | |
11386 | .if_add = wpa_driver_nl80211_if_add, | |
11387 | .if_remove = driver_nl80211_if_remove, | |
11388 | .send_mlme = driver_nl80211_send_mlme, | |
11389 | .get_hw_feature_data = nl80211_get_hw_feature_data, | |
11390 | .sta_add = wpa_driver_nl80211_sta_add, | |
11391 | .sta_remove = driver_nl80211_sta_remove, | |
11392 | .tx_control_port = nl80211_tx_control_port, | |
11393 | .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol, | |
11394 | .sta_set_flags = wpa_driver_nl80211_sta_set_flags, | |
11395 | .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight, | |
11396 | .hapd_init = i802_init, | |
11397 | .hapd_deinit = i802_deinit, | |
11398 | .set_wds_sta = i802_set_wds_sta, | |
11399 | .get_seqnum = i802_get_seqnum, | |
11400 | .flush = i802_flush, | |
11401 | .get_inact_sec = i802_get_inact_sec, | |
11402 | .sta_clear_stats = i802_sta_clear_stats, | |
11403 | .set_rts = i802_set_rts, | |
11404 | .set_frag = i802_set_frag, | |
11405 | .set_tx_queue_params = i802_set_tx_queue_params, | |
11406 | .set_sta_vlan = driver_nl80211_set_sta_vlan, | |
11407 | .sta_deauth = i802_sta_deauth, | |
11408 | .sta_disassoc = i802_sta_disassoc, | |
11409 | .read_sta_data = driver_nl80211_read_sta_data, | |
11410 | .set_freq = i802_set_freq, | |
11411 | .send_action = driver_nl80211_send_action, | |
11412 | .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait, | |
11413 | .remain_on_channel = wpa_driver_nl80211_remain_on_channel, | |
11414 | .cancel_remain_on_channel = | |
11415 | wpa_driver_nl80211_cancel_remain_on_channel, | |
11416 | .probe_req_report = driver_nl80211_probe_req_report, | |
11417 | .deinit_ap = wpa_driver_nl80211_deinit_ap, | |
11418 | .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli, | |
11419 | .resume = wpa_driver_nl80211_resume, | |
11420 | .signal_monitor = nl80211_signal_monitor, | |
11421 | .signal_poll = nl80211_signal_poll, | |
11422 | .channel_info = nl80211_channel_info, | |
11423 | .set_param = nl80211_set_param, | |
11424 | .get_radio_name = nl80211_get_radio_name, | |
11425 | .add_pmkid = nl80211_add_pmkid, | |
11426 | .remove_pmkid = nl80211_remove_pmkid, | |
11427 | .flush_pmkid = nl80211_flush_pmkid, | |
11428 | .set_rekey_info = nl80211_set_rekey_info, | |
11429 | .poll_client = nl80211_poll_client, | |
11430 | .set_p2p_powersave = nl80211_set_p2p_powersave, | |
11431 | .start_dfs_cac = nl80211_start_radar_detection, | |
11432 | .stop_ap = wpa_driver_nl80211_stop_ap, | |
11433 | #ifdef CONFIG_TDLS | |
11434 | .send_tdls_mgmt = nl80211_send_tdls_mgmt, | |
11435 | .tdls_oper = nl80211_tdls_oper, | |
11436 | .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch, | |
11437 | .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch, | |
11438 | #endif /* CONFIG_TDLS */ | |
11439 | .update_ft_ies = wpa_driver_nl80211_update_ft_ies, | |
11440 | .update_dh_ie = nl80211_update_dh_ie, | |
11441 | .get_mac_addr = wpa_driver_nl80211_get_macaddr, | |
11442 | .get_survey = wpa_driver_nl80211_get_survey, | |
11443 | .status = wpa_driver_nl80211_status, | |
11444 | .switch_channel = nl80211_switch_channel, | |
11445 | #ifdef ANDROID_P2P | |
11446 | .set_noa = wpa_driver_set_p2p_noa, | |
11447 | .get_noa = wpa_driver_get_p2p_noa, | |
11448 | .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie, | |
11449 | #endif /* ANDROID_P2P */ | |
11450 | #ifdef ANDROID | |
11451 | #ifndef ANDROID_LIB_STUB | |
11452 | .driver_cmd = wpa_driver_nl80211_driver_cmd, | |
11453 | #endif /* !ANDROID_LIB_STUB */ | |
11454 | #endif /* ANDROID */ | |
11455 | .vendor_cmd = nl80211_vendor_cmd, | |
11456 | .set_qos_map = nl80211_set_qos_map, | |
11457 | .get_wowlan = nl80211_get_wowlan, | |
11458 | .set_wowlan = nl80211_set_wowlan, | |
11459 | .set_mac_addr = nl80211_set_mac_addr, | |
11460 | #ifdef CONFIG_MESH | |
11461 | .init_mesh = wpa_driver_nl80211_init_mesh, | |
11462 | .join_mesh = wpa_driver_nl80211_join_mesh, | |
11463 | .leave_mesh = wpa_driver_nl80211_leave_mesh, | |
11464 | .probe_mesh_link = nl80211_probe_mesh_link, | |
11465 | #endif /* CONFIG_MESH */ | |
11466 | .br_add_ip_neigh = wpa_driver_br_add_ip_neigh, | |
11467 | .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh, | |
11468 | .br_port_set_attr = wpa_driver_br_port_set_attr, | |
11469 | .br_set_net_param = wpa_driver_br_set_net_param, | |
11470 | .add_tx_ts = nl80211_add_ts, | |
11471 | .del_tx_ts = nl80211_del_ts, | |
11472 | .get_ifindex = nl80211_get_ifindex, | |
11473 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
11474 | .roaming = nl80211_roaming, | |
11475 | .disable_fils = nl80211_disable_fils, | |
11476 | .do_acs = wpa_driver_do_acs, | |
11477 | .set_band = nl80211_set_band, | |
11478 | .get_pref_freq_list = nl80211_get_pref_freq_list, | |
11479 | .set_prob_oper_freq = nl80211_set_prob_oper_freq, | |
11480 | .p2p_lo_start = nl80211_p2p_lo_start, | |
11481 | .p2p_lo_stop = nl80211_p2p_lo_stop, | |
11482 | .set_default_scan_ies = nl80211_set_default_scan_ies, | |
11483 | .set_tdls_mode = nl80211_set_tdls_mode, | |
11484 | #ifdef CONFIG_MBO | |
11485 | .get_bss_transition_status = nl80211_get_bss_transition_status, | |
11486 | .ignore_assoc_disallow = nl80211_ignore_assoc_disallow, | |
11487 | #endif /* CONFIG_MBO */ | |
11488 | .set_bssid_blacklist = nl80211_set_bssid_blacklist, | |
11489 | .add_sta_node = nl80211_add_sta_node, | |
11490 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
11491 | .configure_data_frame_filters = nl80211_configure_data_frame_filters, | |
11492 | .get_ext_capab = nl80211_get_ext_capab, | |
11493 | .update_connect_params = nl80211_update_connection_params, | |
11494 | .send_external_auth_status = nl80211_send_external_auth_status, | |
11495 | .set_4addr_mode = nl80211_set_4addr_mode, | |
11496 | }; |