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Commit | Line | Data |
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3f5285e8 | 1 | /* |
c5121837 | 2 | * Driver interaction with Linux nl80211/cfg80211 |
90a545cc | 3 | * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi> |
072ad14c JM |
4 | * Copyright (c) 2003-2004, Instant802 Networks, Inc. |
5 | * Copyright (c) 2005-2006, Devicescape Software, Inc. | |
6 | * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> | |
58f6fbe0 | 7 | * Copyright (c) 2009-2010, Atheros Communications |
3f5285e8 | 8 | * |
0f3d578e JM |
9 | * This software may be distributed under the terms of the BSD license. |
10 | * See README for more details. | |
3f5285e8 JM |
11 | */ |
12 | ||
13 | #include "includes.h" | |
6859f1cb | 14 | #include <sys/types.h> |
73d2294f | 15 | #include <fcntl.h> |
37b7d082 | 16 | #include <net/if.h> |
3f5285e8 | 17 | #include <netlink/genl/genl.h> |
3f5285e8 | 18 | #include <netlink/genl/ctrl.h> |
97ed9a06 KP |
19 | #ifdef CONFIG_LIBNL3_ROUTE |
20 | #include <netlink/route/neighbour.h> | |
21 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
8602b0f2 | 22 | #include <linux/rtnetlink.h> |
1b648c7e | 23 | #include <netpacket/packet.h> |
32ab4855 | 24 | #include <linux/errqueue.h> |
625f587b | 25 | |
3f5285e8 | 26 | #include "common.h" |
1b648c7e | 27 | #include "eloop.h" |
1682c623 | 28 | #include "common/qca-vendor.h" |
a26582cb | 29 | #include "common/qca-vendor-attr.h" |
1b648c7e | 30 | #include "common/ieee802_11_defs.h" |
9b90955e | 31 | #include "common/ieee802_11_common.h" |
f10bfc9a | 32 | #include "l2_packet/l2_packet.h" |
e2d02c29 | 33 | #include "netlink.h" |
1474e6e9 | 34 | #include "linux_defines.h" |
34f2f814 | 35 | #include "linux_ioctl.h" |
e2d02c29 JM |
36 | #include "radiotap.h" |
37 | #include "radiotap_iter.h" | |
8401a6b0 | 38 | #include "rfkill.h" |
1474e6e9 | 39 | #include "driver_nl80211.h" |
32ab4855 | 40 | |
1474e6e9 JM |
41 | |
42 | #ifndef CONFIG_LIBNL20 | |
a65a9aed JB |
43 | /* |
44 | * libnl 1.1 has a bug, it tries to allocate socket numbers densely | |
45 | * but when you free a socket again it will mess up its bitmap and | |
46 | * and use the wrong number the next time it needs a socket ID. | |
47 | * Therefore, we wrap the handle alloc/destroy and add our own pid | |
48 | * accounting. | |
49 | */ | |
50 | static uint32_t port_bitmap[32] = { 0 }; | |
51 | ||
52 | static struct nl_handle *nl80211_handle_alloc(void *cb) | |
53 | { | |
54 | struct nl_handle *handle; | |
55 | uint32_t pid = getpid() & 0x3FFFFF; | |
56 | int i; | |
57 | ||
58 | handle = nl_handle_alloc_cb(cb); | |
59 | ||
60 | for (i = 0; i < 1024; i++) { | |
61 | if (port_bitmap[i / 32] & (1 << (i % 32))) | |
62 | continue; | |
63 | port_bitmap[i / 32] |= 1 << (i % 32); | |
64 | pid += i << 22; | |
65 | break; | |
66 | } | |
67 | ||
68 | nl_socket_set_local_port(handle, pid); | |
69 | ||
70 | return handle; | |
71 | } | |
72 | ||
73 | static void nl80211_handle_destroy(struct nl_handle *handle) | |
74 | { | |
75 | uint32_t port = nl_socket_get_local_port(handle); | |
76 | ||
77 | port >>= 22; | |
78 | port_bitmap[port / 32] &= ~(1 << (port % 32)); | |
79 | ||
80 | nl_handle_destroy(handle); | |
81 | } | |
c5121837 JM |
82 | #endif /* CONFIG_LIBNL20 */ |
83 | ||
c5121837 | 84 | |
1c6edec6 JM |
85 | #ifdef ANDROID |
86 | /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */ | |
1c6edec6 JM |
87 | #undef nl_socket_set_nonblocking |
88 | #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h) | |
70a96c81 JM |
89 | |
90 | #define genl_ctrl_resolve android_genl_ctrl_resolve | |
1c6edec6 JM |
91 | #endif /* ANDROID */ |
92 | ||
93 | ||
481234cf | 94 | static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg) |
a92dfde8 | 95 | { |
481234cf | 96 | struct nl_handle *handle; |
a92dfde8 | 97 | |
481234cf JM |
98 | handle = nl80211_handle_alloc(cb); |
99 | if (handle == NULL) { | |
a92dfde8 JB |
100 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " |
101 | "callbacks (%s)", dbg); | |
481234cf | 102 | return NULL; |
a92dfde8 JB |
103 | } |
104 | ||
481234cf | 105 | if (genl_connect(handle)) { |
a92dfde8 JB |
106 | wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic " |
107 | "netlink (%s)", dbg); | |
481234cf JM |
108 | nl80211_handle_destroy(handle); |
109 | return NULL; | |
a92dfde8 JB |
110 | } |
111 | ||
481234cf | 112 | return handle; |
a92dfde8 JB |
113 | } |
114 | ||
115 | ||
481234cf | 116 | static void nl_destroy_handles(struct nl_handle **handle) |
a92dfde8 | 117 | { |
481234cf | 118 | if (*handle == NULL) |
a92dfde8 | 119 | return; |
481234cf JM |
120 | nl80211_handle_destroy(*handle); |
121 | *handle = NULL; | |
a92dfde8 JB |
122 | } |
123 | ||
124 | ||
10b85921 JB |
125 | #if __WORDSIZE == 64 |
126 | #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL | |
127 | #else | |
128 | #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL | |
129 | #endif | |
130 | ||
5f65e9f7 JB |
131 | static void nl80211_register_eloop_read(struct nl_handle **handle, |
132 | eloop_sock_handler handler, | |
133 | void *eloop_data) | |
134 | { | |
10b85921 | 135 | nl_socket_set_nonblocking(*handle); |
5f65e9f7 JB |
136 | eloop_register_read_sock(nl_socket_get_fd(*handle), handler, |
137 | eloop_data, *handle); | |
10b85921 | 138 | *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID); |
5f65e9f7 JB |
139 | } |
140 | ||
141 | ||
142 | static void nl80211_destroy_eloop_handle(struct nl_handle **handle) | |
143 | { | |
10b85921 | 144 | *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID); |
5f65e9f7 JB |
145 | eloop_unregister_read_sock(nl_socket_get_fd(*handle)); |
146 | nl_destroy_handles(handle); | |
147 | } | |
148 | ||
149 | ||
36d84860 BG |
150 | static void nl80211_global_deinit(void *priv); |
151 | ||
9ebce9c5 | 152 | static void wpa_driver_nl80211_deinit(struct i802_bss *bss); |
4ec68377 JD |
153 | static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss, |
154 | struct hostapd_freq_params *freq); | |
3c5d34e3 | 155 | |
362f781e | 156 | static int |
0d547d5f | 157 | wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv, |
49b4b205 | 158 | const u8 *set_addr, int first); |
d72aad94 | 159 | static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, |
77339912 JM |
160 | const u8 *addr, int cmd, u16 reason_code, |
161 | int local_state_change); | |
88df0ef7 | 162 | static int nl80211_send_frame_cmd(struct i802_bss *bss, |
5dfca53f | 163 | unsigned int freq, unsigned int wait, |
b106173a | 164 | const u8 *buf, size_t buf_len, u64 *cookie, |
88df0ef7 | 165 | int no_cck, int no_ack, int offchanok); |
b21990b4 AQ |
166 | static int nl80211_register_frame(struct i802_bss *bss, |
167 | struct nl_handle *hl_handle, | |
168 | u16 type, const u8 *match, size_t match_len); | |
9ebce9c5 JM |
169 | static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, |
170 | int report); | |
0915d02c | 171 | |
2135f224 JM |
172 | static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); |
173 | static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); | |
97cfcf64 | 174 | static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); |
9ebce9c5 | 175 | static int wpa_driver_nl80211_if_remove(struct i802_bss *bss, |
fbbfcbac FF |
176 | enum wpa_driver_if_type type, |
177 | const char *ifname); | |
072ad14c | 178 | |
e87ef751 PX |
179 | static int nl80211_set_channel(struct i802_bss *bss, |
180 | struct hostapd_freq_params *freq, int set_chan); | |
4e5cb1a3 JM |
181 | static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, |
182 | int ifindex, int disabled); | |
504e905c | 183 | |
21bdbe38 JM |
184 | static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv); |
185 | ||
3c5d34e3 | 186 | static int i802_set_freq(void *priv, struct hostapd_freq_params *freq); |
bf83eab5 IP |
187 | static int i802_set_iface_flags(struct i802_bss *bss, int up); |
188 | ||
3f5285e8 | 189 | |
8d1fdde7 | 190 | /* Converts nl80211_chan_width to a common format */ |
f3407c66 | 191 | enum chan_width convert2width(int width) |
8d1fdde7 JD |
192 | { |
193 | switch (width) { | |
194 | case NL80211_CHAN_WIDTH_20_NOHT: | |
195 | return CHAN_WIDTH_20_NOHT; | |
196 | case NL80211_CHAN_WIDTH_20: | |
197 | return CHAN_WIDTH_20; | |
198 | case NL80211_CHAN_WIDTH_40: | |
199 | return CHAN_WIDTH_40; | |
200 | case NL80211_CHAN_WIDTH_80: | |
201 | return CHAN_WIDTH_80; | |
202 | case NL80211_CHAN_WIDTH_80P80: | |
203 | return CHAN_WIDTH_80P80; | |
204 | case NL80211_CHAN_WIDTH_160: | |
205 | return CHAN_WIDTH_160; | |
206 | } | |
207 | return CHAN_WIDTH_UNKNOWN; | |
208 | } | |
209 | ||
210 | ||
f3407c66 | 211 | int is_ap_interface(enum nl80211_iftype nlmode) |
b1f625e0 | 212 | { |
0e80ea2c JM |
213 | return nlmode == NL80211_IFTYPE_AP || |
214 | nlmode == NL80211_IFTYPE_P2P_GO; | |
b1f625e0 EP |
215 | } |
216 | ||
217 | ||
218 | static int is_sta_interface(enum nl80211_iftype nlmode) | |
219 | { | |
0e80ea2c JM |
220 | return nlmode == NL80211_IFTYPE_STATION || |
221 | nlmode == NL80211_IFTYPE_P2P_CLIENT; | |
b1f625e0 EP |
222 | } |
223 | ||
224 | ||
6a71413e | 225 | static int is_p2p_net_interface(enum nl80211_iftype nlmode) |
b3af99d2 | 226 | { |
0e80ea2c JM |
227 | return nlmode == NL80211_IFTYPE_P2P_CLIENT || |
228 | nlmode == NL80211_IFTYPE_P2P_GO; | |
b3af99d2 JM |
229 | } |
230 | ||
231 | ||
f3407c66 JM |
232 | struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv, |
233 | int ifindex) | |
5dfbd725 JM |
234 | { |
235 | struct i802_bss *bss; | |
236 | ||
237 | for (bss = drv->first_bss; bss; bss = bss->next) { | |
238 | if (bss->ifindex == ifindex) | |
239 | return bss; | |
240 | } | |
241 | ||
242 | return NULL; | |
243 | } | |
244 | ||
245 | ||
afb0550a BC |
246 | static int is_mesh_interface(enum nl80211_iftype nlmode) |
247 | { | |
248 | return nlmode == NL80211_IFTYPE_MESH_POINT; | |
249 | } | |
250 | ||
251 | ||
f3407c66 | 252 | void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv) |
add9b7a4 JM |
253 | { |
254 | if (drv->associated) | |
255 | os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN); | |
256 | drv->associated = 0; | |
257 | os_memset(drv->bssid, 0, ETH_ALEN); | |
258 | } | |
259 | ||
260 | ||
f5a8d422 JM |
261 | struct nl80211_bss_info_arg { |
262 | struct wpa_driver_nl80211_data *drv; | |
263 | struct wpa_scan_results *res; | |
264 | unsigned int assoc_freq; | |
c7caac56 | 265 | unsigned int ibss_freq; |
20f5a4c2 | 266 | u8 assoc_bssid[ETH_ALEN]; |
f5a8d422 JM |
267 | }; |
268 | ||
269 | static int bss_info_handler(struct nl_msg *msg, void *arg); | |
270 | ||
271 | ||
6241fcb1 JM |
272 | /* nl80211 code */ |
273 | static int ack_handler(struct nl_msg *msg, void *arg) | |
274 | { | |
275 | int *err = arg; | |
276 | *err = 0; | |
277 | return NL_STOP; | |
278 | } | |
279 | ||
280 | static int finish_handler(struct nl_msg *msg, void *arg) | |
281 | { | |
8e8df255 JM |
282 | int *ret = arg; |
283 | *ret = 0; | |
6241fcb1 JM |
284 | return NL_SKIP; |
285 | } | |
286 | ||
287 | static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err, | |
288 | void *arg) | |
289 | { | |
290 | int *ret = arg; | |
291 | *ret = err->error; | |
292 | return NL_SKIP; | |
293 | } | |
294 | ||
5b7b85f6 JM |
295 | |
296 | static int no_seq_check(struct nl_msg *msg, void *arg) | |
297 | { | |
298 | return NL_OK; | |
299 | } | |
300 | ||
301 | ||
d6c9aab8 | 302 | static int send_and_recv(struct nl80211_global *global, |
58f6fbe0 JM |
303 | struct nl_handle *nl_handle, struct nl_msg *msg, |
304 | int (*valid_handler)(struct nl_msg *, void *), | |
305 | void *valid_data) | |
6241fcb1 JM |
306 | { |
307 | struct nl_cb *cb; | |
308 | int err = -ENOMEM; | |
309 | ||
d6c9aab8 | 310 | cb = nl_cb_clone(global->nl_cb); |
6241fcb1 JM |
311 | if (!cb) |
312 | goto out; | |
313 | ||
58f6fbe0 | 314 | err = nl_send_auto_complete(nl_handle, msg); |
6241fcb1 JM |
315 | if (err < 0) |
316 | goto out; | |
317 | ||
318 | err = 1; | |
319 | ||
320 | nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err); | |
8e8df255 | 321 | nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err); |
6241fcb1 JM |
322 | nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err); |
323 | ||
324 | if (valid_handler) | |
325 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, | |
326 | valid_handler, valid_data); | |
327 | ||
34068ac3 JM |
328 | while (err > 0) { |
329 | int res = nl_recvmsgs(nl_handle, cb); | |
d3d04831 | 330 | if (res < 0) { |
34068ac3 JM |
331 | wpa_printf(MSG_INFO, |
332 | "nl80211: %s->nl_recvmsgs failed: %d", | |
333 | __func__, res); | |
334 | } | |
335 | } | |
6241fcb1 JM |
336 | out: |
337 | nl_cb_put(cb); | |
338 | nlmsg_free(msg); | |
339 | return err; | |
340 | } | |
341 | ||
342 | ||
d6c9aab8 JB |
343 | static int send_and_recv_msgs_global(struct nl80211_global *global, |
344 | struct nl_msg *msg, | |
345 | int (*valid_handler)(struct nl_msg *, void *), | |
346 | void *valid_data) | |
347 | { | |
481234cf | 348 | return send_and_recv(global, global->nl, msg, valid_handler, |
d6c9aab8 JB |
349 | valid_data); |
350 | } | |
351 | ||
352 | ||
f3407c66 JM |
353 | int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, |
354 | struct nl_msg *msg, | |
355 | int (*valid_handler)(struct nl_msg *, void *), | |
356 | void *valid_data) | |
58f6fbe0 | 357 | { |
481234cf | 358 | return send_and_recv(drv->global, drv->global->nl, msg, |
d6c9aab8 | 359 | valid_handler, valid_data); |
58f6fbe0 JM |
360 | } |
361 | ||
362 | ||
97865538 JM |
363 | struct family_data { |
364 | const char *group; | |
365 | int id; | |
366 | }; | |
367 | ||
368 | ||
f3407c66 | 369 | int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss) |
d3aaef80 DS |
370 | { |
371 | if (bss->wdev_id_set) | |
372 | NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id); | |
373 | else | |
374 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
375 | return 0; | |
376 | ||
377 | nla_put_failure: | |
378 | return -1; | |
379 | } | |
380 | ||
381 | ||
97865538 JM |
382 | static int family_handler(struct nl_msg *msg, void *arg) |
383 | { | |
384 | struct family_data *res = arg; | |
385 | struct nlattr *tb[CTRL_ATTR_MAX + 1]; | |
386 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
387 | struct nlattr *mcgrp; | |
388 | int i; | |
389 | ||
390 | nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
391 | genlmsg_attrlen(gnlh, 0), NULL); | |
392 | if (!tb[CTRL_ATTR_MCAST_GROUPS]) | |
393 | return NL_SKIP; | |
394 | ||
395 | nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) { | |
396 | struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1]; | |
397 | nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp), | |
398 | nla_len(mcgrp), NULL); | |
399 | if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] || | |
400 | !tb2[CTRL_ATTR_MCAST_GRP_ID] || | |
401 | os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]), | |
402 | res->group, | |
403 | nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0) | |
404 | continue; | |
405 | res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]); | |
406 | break; | |
407 | }; | |
408 | ||
409 | return NL_SKIP; | |
410 | } | |
411 | ||
412 | ||
d6c9aab8 | 413 | static int nl_get_multicast_id(struct nl80211_global *global, |
97865538 JM |
414 | const char *family, const char *group) |
415 | { | |
416 | struct nl_msg *msg; | |
417 | int ret = -1; | |
418 | struct family_data res = { group, -ENOENT }; | |
419 | ||
420 | msg = nlmsg_alloc(); | |
421 | if (!msg) | |
422 | return -ENOMEM; | |
481234cf | 423 | genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"), |
97865538 JM |
424 | 0, 0, CTRL_CMD_GETFAMILY, 0); |
425 | NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family); | |
426 | ||
d6c9aab8 | 427 | ret = send_and_recv_msgs_global(global, msg, family_handler, &res); |
97865538 JM |
428 | msg = NULL; |
429 | if (ret == 0) | |
430 | ret = res.id; | |
431 | ||
432 | nla_put_failure: | |
433 | nlmsg_free(msg); | |
434 | return ret; | |
435 | } | |
436 | ||
437 | ||
f3407c66 JM |
438 | void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, |
439 | struct nl_msg *msg, int flags, uint8_t cmd) | |
9fb04070 | 440 | { |
335d42b1 | 441 | return genlmsg_put(msg, 0, 0, drv->global->nl80211_id, |
276e2d67 | 442 | 0, flags, cmd, 0); |
9fb04070 JM |
443 | } |
444 | ||
445 | ||
e32ad281 JB |
446 | struct wiphy_idx_data { |
447 | int wiphy_idx; | |
01517c8b | 448 | enum nl80211_iftype nlmode; |
597b94f5 | 449 | u8 *macaddr; |
e32ad281 JB |
450 | }; |
451 | ||
452 | ||
453 | static int netdev_info_handler(struct nl_msg *msg, void *arg) | |
454 | { | |
455 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
456 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
457 | struct wiphy_idx_data *info = arg; | |
458 | ||
459 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
460 | genlmsg_attrlen(gnlh, 0), NULL); | |
461 | ||
462 | if (tb[NL80211_ATTR_WIPHY]) | |
463 | info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
464 | ||
01517c8b JB |
465 | if (tb[NL80211_ATTR_IFTYPE]) |
466 | info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]); | |
467 | ||
597b94f5 AS |
468 | if (tb[NL80211_ATTR_MAC] && info->macaddr) |
469 | os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]), | |
470 | ETH_ALEN); | |
471 | ||
e32ad281 JB |
472 | return NL_SKIP; |
473 | } | |
474 | ||
475 | ||
f3407c66 | 476 | int nl80211_get_wiphy_index(struct i802_bss *bss) |
e32ad281 JB |
477 | { |
478 | struct nl_msg *msg; | |
479 | struct wiphy_idx_data data = { | |
480 | .wiphy_idx = -1, | |
597b94f5 | 481 | .macaddr = NULL, |
e32ad281 JB |
482 | }; |
483 | ||
484 | msg = nlmsg_alloc(); | |
485 | if (!msg) | |
8e12685c | 486 | return NL80211_IFTYPE_UNSPECIFIED; |
e32ad281 JB |
487 | |
488 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE); | |
489 | ||
27ce1d64 AS |
490 | if (nl80211_set_iface_id(msg, bss) < 0) |
491 | goto nla_put_failure; | |
e32ad281 JB |
492 | |
493 | if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) | |
494 | return data.wiphy_idx; | |
495 | msg = NULL; | |
496 | nla_put_failure: | |
497 | nlmsg_free(msg); | |
498 | return -1; | |
499 | } | |
500 | ||
501 | ||
01517c8b JB |
502 | static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss) |
503 | { | |
504 | struct nl_msg *msg; | |
505 | struct wiphy_idx_data data = { | |
597b94f5 AS |
506 | .nlmode = NL80211_IFTYPE_UNSPECIFIED, |
507 | .macaddr = NULL, | |
01517c8b JB |
508 | }; |
509 | ||
510 | msg = nlmsg_alloc(); | |
511 | if (!msg) | |
512 | return -1; | |
513 | ||
514 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE); | |
515 | ||
f632e483 AS |
516 | if (nl80211_set_iface_id(msg, bss) < 0) |
517 | goto nla_put_failure; | |
01517c8b JB |
518 | |
519 | if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) | |
520 | return data.nlmode; | |
521 | msg = NULL; | |
522 | nla_put_failure: | |
523 | nlmsg_free(msg); | |
524 | return NL80211_IFTYPE_UNSPECIFIED; | |
525 | } | |
01517c8b JB |
526 | |
527 | ||
597b94f5 AS |
528 | static int nl80211_get_macaddr(struct i802_bss *bss) |
529 | { | |
530 | struct nl_msg *msg; | |
531 | struct wiphy_idx_data data = { | |
532 | .macaddr = bss->addr, | |
533 | }; | |
534 | ||
535 | msg = nlmsg_alloc(); | |
536 | if (!msg) | |
537 | return NL80211_IFTYPE_UNSPECIFIED; | |
538 | ||
539 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE); | |
540 | if (nl80211_set_iface_id(msg, bss) < 0) | |
541 | goto nla_put_failure; | |
542 | ||
543 | return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data); | |
544 | ||
545 | nla_put_failure: | |
546 | nlmsg_free(msg); | |
547 | return NL80211_IFTYPE_UNSPECIFIED; | |
548 | } | |
597b94f5 AS |
549 | |
550 | ||
e32ad281 JB |
551 | static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv, |
552 | struct nl80211_wiphy_data *w) | |
553 | { | |
554 | struct nl_msg *msg; | |
555 | int ret = -1; | |
556 | ||
557 | msg = nlmsg_alloc(); | |
558 | if (!msg) | |
559 | return -1; | |
560 | ||
561 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS); | |
562 | ||
563 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx); | |
564 | ||
481234cf | 565 | ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL); |
e32ad281 JB |
566 | msg = NULL; |
567 | if (ret) { | |
568 | wpa_printf(MSG_DEBUG, "nl80211: Register beacons command " | |
569 | "failed: ret=%d (%s)", | |
570 | ret, strerror(-ret)); | |
571 | goto nla_put_failure; | |
572 | } | |
573 | ret = 0; | |
574 | nla_put_failure: | |
575 | nlmsg_free(msg); | |
576 | return ret; | |
577 | } | |
578 | ||
579 | ||
580 | static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle) | |
581 | { | |
582 | struct nl80211_wiphy_data *w = eloop_ctx; | |
34068ac3 | 583 | int res; |
e32ad281 | 584 | |
ee9fc67a | 585 | wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available"); |
e32ad281 | 586 | |
34068ac3 | 587 | res = nl_recvmsgs(handle, w->nl_cb); |
d3d04831 | 588 | if (res < 0) { |
34068ac3 JM |
589 | wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d", |
590 | __func__, res); | |
591 | } | |
e32ad281 JB |
592 | } |
593 | ||
594 | ||
595 | static int process_beacon_event(struct nl_msg *msg, void *arg) | |
596 | { | |
597 | struct nl80211_wiphy_data *w = arg; | |
598 | struct wpa_driver_nl80211_data *drv; | |
599 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
600 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
601 | union wpa_event_data event; | |
602 | ||
603 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
604 | genlmsg_attrlen(gnlh, 0), NULL); | |
605 | ||
606 | if (gnlh->cmd != NL80211_CMD_FRAME) { | |
607 | wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)", | |
608 | gnlh->cmd); | |
609 | return NL_SKIP; | |
610 | } | |
611 | ||
612 | if (!tb[NL80211_ATTR_FRAME]) | |
613 | return NL_SKIP; | |
614 | ||
615 | dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data, | |
616 | wiphy_list) { | |
617 | os_memset(&event, 0, sizeof(event)); | |
618 | event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]); | |
619 | event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]); | |
620 | wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); | |
621 | } | |
622 | ||
623 | return NL_SKIP; | |
624 | } | |
625 | ||
626 | ||
627 | static struct nl80211_wiphy_data * | |
628 | nl80211_get_wiphy_data_ap(struct i802_bss *bss) | |
629 | { | |
630 | static DEFINE_DL_LIST(nl80211_wiphys); | |
631 | struct nl80211_wiphy_data *w; | |
632 | int wiphy_idx, found = 0; | |
633 | struct i802_bss *tmp_bss; | |
634 | ||
635 | if (bss->wiphy_data != NULL) | |
636 | return bss->wiphy_data; | |
637 | ||
638 | wiphy_idx = nl80211_get_wiphy_index(bss); | |
639 | ||
640 | dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) { | |
641 | if (w->wiphy_idx == wiphy_idx) | |
642 | goto add; | |
643 | } | |
644 | ||
645 | /* alloc new one */ | |
646 | w = os_zalloc(sizeof(*w)); | |
647 | if (w == NULL) | |
648 | return NULL; | |
649 | w->wiphy_idx = wiphy_idx; | |
650 | dl_list_init(&w->bsss); | |
651 | dl_list_init(&w->drvs); | |
652 | ||
653 | w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
654 | if (!w->nl_cb) { | |
655 | os_free(w); | |
656 | return NULL; | |
657 | } | |
658 | nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); | |
659 | nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event, | |
660 | w); | |
661 | ||
481234cf JM |
662 | w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb, |
663 | "wiphy beacons"); | |
664 | if (w->nl_beacons == NULL) { | |
e32ad281 JB |
665 | os_free(w); |
666 | return NULL; | |
667 | } | |
668 | ||
669 | if (nl80211_register_beacons(bss->drv, w)) { | |
670 | nl_destroy_handles(&w->nl_beacons); | |
671 | os_free(w); | |
672 | return NULL; | |
673 | } | |
674 | ||
5f65e9f7 | 675 | nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w); |
e32ad281 JB |
676 | |
677 | dl_list_add(&nl80211_wiphys, &w->list); | |
678 | ||
679 | add: | |
680 | /* drv entry for this bss already there? */ | |
681 | dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { | |
682 | if (tmp_bss->drv == bss->drv) { | |
683 | found = 1; | |
684 | break; | |
685 | } | |
686 | } | |
687 | /* if not add it */ | |
688 | if (!found) | |
689 | dl_list_add(&w->drvs, &bss->drv->wiphy_list); | |
690 | ||
691 | dl_list_add(&w->bsss, &bss->wiphy_list); | |
692 | bss->wiphy_data = w; | |
693 | return w; | |
694 | } | |
695 | ||
696 | ||
697 | static void nl80211_put_wiphy_data_ap(struct i802_bss *bss) | |
698 | { | |
699 | struct nl80211_wiphy_data *w = bss->wiphy_data; | |
700 | struct i802_bss *tmp_bss; | |
701 | int found = 0; | |
702 | ||
703 | if (w == NULL) | |
704 | return; | |
705 | bss->wiphy_data = NULL; | |
706 | dl_list_del(&bss->wiphy_list); | |
707 | ||
708 | /* still any for this drv present? */ | |
709 | dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { | |
710 | if (tmp_bss->drv == bss->drv) { | |
711 | found = 1; | |
712 | break; | |
713 | } | |
714 | } | |
715 | /* if not remove it */ | |
716 | if (!found) | |
717 | dl_list_del(&bss->drv->wiphy_list); | |
718 | ||
719 | if (!dl_list_empty(&w->bsss)) | |
720 | return; | |
721 | ||
5f65e9f7 | 722 | nl80211_destroy_eloop_handle(&w->nl_beacons); |
e32ad281 JB |
723 | |
724 | nl_cb_put(w->nl_cb); | |
e32ad281 JB |
725 | dl_list_del(&w->list); |
726 | os_free(w); | |
727 | } | |
728 | ||
729 | ||
3f5285e8 JM |
730 | static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid) |
731 | { | |
a2e40bb6 FF |
732 | struct i802_bss *bss = priv; |
733 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
c2a04078 JM |
734 | if (!drv->associated) |
735 | return -1; | |
736 | os_memcpy(bssid, drv->bssid, ETH_ALEN); | |
737 | return 0; | |
3f5285e8 JM |
738 | } |
739 | ||
740 | ||
3f5285e8 JM |
741 | static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid) |
742 | { | |
a2e40bb6 FF |
743 | struct i802_bss *bss = priv; |
744 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
fd05d64e JM |
745 | if (!drv->associated) |
746 | return -1; | |
747 | os_memcpy(ssid, drv->ssid, drv->ssid_len); | |
748 | return drv->ssid_len; | |
3f5285e8 JM |
749 | } |
750 | ||
751 | ||
90a545cc JM |
752 | static void wpa_driver_nl80211_event_newlink( |
753 | struct wpa_driver_nl80211_data *drv, char *ifname) | |
3f5285e8 JM |
754 | { |
755 | union wpa_event_data event; | |
756 | ||
90a545cc JM |
757 | if (os_strcmp(drv->first_bss->ifname, ifname) == 0) { |
758 | if (if_nametoindex(drv->first_bss->ifname) == 0) { | |
759 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK", | |
760 | drv->first_bss->ifname); | |
761 | return; | |
762 | } | |
763 | if (!drv->if_removed) | |
764 | return; | |
765 | wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event", | |
766 | drv->first_bss->ifname); | |
767 | drv->if_removed = 0; | |
768 | } | |
769 | ||
3f5285e8 | 770 | os_memset(&event, 0, sizeof(event)); |
90a545cc JM |
771 | os_strlcpy(event.interface_status.ifname, ifname, |
772 | sizeof(event.interface_status.ifname)); | |
773 | event.interface_status.ievent = EVENT_INTERFACE_ADDED; | |
774 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); | |
775 | } | |
776 | ||
777 | ||
778 | static void wpa_driver_nl80211_event_dellink( | |
779 | struct wpa_driver_nl80211_data *drv, char *ifname) | |
780 | { | |
781 | union wpa_event_data event; | |
782 | ||
783 | if (os_strcmp(drv->first_bss->ifname, ifname) == 0) { | |
784 | if (drv->if_removed) { | |
785 | wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s", | |
786 | ifname); | |
787 | return; | |
d1f4942b | 788 | } |
90a545cc JM |
789 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1", |
790 | ifname); | |
791 | drv->if_removed = 1; | |
792 | } else { | |
793 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed", | |
794 | ifname); | |
7524cfb1 JM |
795 | } |
796 | ||
90a545cc JM |
797 | os_memset(&event, 0, sizeof(event)); |
798 | os_strlcpy(event.interface_status.ifname, ifname, | |
799 | sizeof(event.interface_status.ifname)); | |
800 | event.interface_status.ievent = EVENT_INTERFACE_REMOVED; | |
08063178 | 801 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); |
3f5285e8 JM |
802 | } |
803 | ||
804 | ||
7524cfb1 | 805 | static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv, |
62d680c3 | 806 | u8 *buf, size_t len) |
7524cfb1 | 807 | { |
62d680c3 | 808 | int attrlen, rta_len; |
7524cfb1 JM |
809 | struct rtattr *attr; |
810 | ||
62d680c3 JM |
811 | attrlen = len; |
812 | attr = (struct rtattr *) buf; | |
7524cfb1 JM |
813 | |
814 | rta_len = RTA_ALIGN(sizeof(struct rtattr)); | |
815 | while (RTA_OK(attr, attrlen)) { | |
816 | if (attr->rta_type == IFLA_IFNAME) { | |
834ee56f KP |
817 | if (os_strcmp(((char *) attr) + rta_len, |
818 | drv->first_bss->ifname) == 0) | |
7524cfb1 JM |
819 | return 1; |
820 | else | |
821 | break; | |
822 | } | |
823 | attr = RTA_NEXT(attr, attrlen); | |
824 | } | |
825 | ||
826 | return 0; | |
827 | } | |
828 | ||
829 | ||
830 | static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv, | |
62d680c3 | 831 | int ifindex, u8 *buf, size_t len) |
7524cfb1 JM |
832 | { |
833 | if (drv->ifindex == ifindex) | |
834 | return 1; | |
835 | ||
62d680c3 | 836 | if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) { |
7524cfb1 JM |
837 | wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed " |
838 | "interface"); | |
49b4b205 | 839 | wpa_driver_nl80211_finish_drv_init(drv, NULL, 0); |
7524cfb1 JM |
840 | return 1; |
841 | } | |
842 | ||
843 | return 0; | |
844 | } | |
845 | ||
846 | ||
36d84860 BG |
847 | static struct wpa_driver_nl80211_data * |
848 | nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len) | |
849 | { | |
850 | struct wpa_driver_nl80211_data *drv; | |
851 | dl_list_for_each(drv, &global->interfaces, | |
852 | struct wpa_driver_nl80211_data, list) { | |
853 | if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) || | |
854 | have_ifidx(drv, idx)) | |
855 | return drv; | |
856 | } | |
857 | return NULL; | |
858 | } | |
859 | ||
860 | ||
62d680c3 JM |
861 | static void wpa_driver_nl80211_event_rtm_newlink(void *ctx, |
862 | struct ifinfomsg *ifi, | |
863 | u8 *buf, size_t len) | |
3f5285e8 | 864 | { |
36d84860 BG |
865 | struct nl80211_global *global = ctx; |
866 | struct wpa_driver_nl80211_data *drv; | |
90a545cc | 867 | int attrlen; |
62d680c3 | 868 | struct rtattr *attr; |
97cfcf64 | 869 | u32 brid = 0; |
aef85ba2 | 870 | char namebuf[IFNAMSIZ]; |
90a545cc JM |
871 | char ifname[IFNAMSIZ + 1]; |
872 | char extra[100], *pos, *end; | |
3f5285e8 | 873 | |
36d84860 BG |
874 | drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); |
875 | if (!drv) { | |
90a545cc JM |
876 | wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d", |
877 | ifi->ifi_index); | |
3f5285e8 JM |
878 | return; |
879 | } | |
880 | ||
90a545cc JM |
881 | extra[0] = '\0'; |
882 | pos = extra; | |
883 | end = pos + sizeof(extra); | |
884 | ifname[0] = '\0'; | |
885 | ||
886 | attrlen = len; | |
887 | attr = (struct rtattr *) buf; | |
888 | while (RTA_OK(attr, attrlen)) { | |
889 | switch (attr->rta_type) { | |
890 | case IFLA_IFNAME: | |
891 | if (RTA_PAYLOAD(attr) >= IFNAMSIZ) | |
892 | break; | |
893 | os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr)); | |
894 | ifname[RTA_PAYLOAD(attr)] = '\0'; | |
895 | break; | |
896 | case IFLA_MASTER: | |
897 | brid = nla_get_u32((struct nlattr *) attr); | |
898 | pos += os_snprintf(pos, end - pos, " master=%u", brid); | |
899 | break; | |
900 | case IFLA_WIRELESS: | |
901 | pos += os_snprintf(pos, end - pos, " wext"); | |
902 | break; | |
903 | case IFLA_OPERSTATE: | |
904 | pos += os_snprintf(pos, end - pos, " operstate=%u", | |
905 | nla_get_u32((struct nlattr *) attr)); | |
906 | break; | |
907 | case IFLA_LINKMODE: | |
908 | pos += os_snprintf(pos, end - pos, " linkmode=%u", | |
909 | nla_get_u32((struct nlattr *) attr)); | |
910 | break; | |
911 | } | |
912 | attr = RTA_NEXT(attr, attrlen); | |
913 | } | |
914 | extra[sizeof(extra) - 1] = '\0'; | |
915 | ||
f2e90835 JM |
916 | wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)", |
917 | ifi->ifi_index, ifname, extra, ifi->ifi_family, | |
918 | ifi->ifi_flags, | |
3f5285e8 JM |
919 | (ifi->ifi_flags & IFF_UP) ? "[UP]" : "", |
920 | (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", | |
921 | (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", | |
922 | (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); | |
a63063b4 JM |
923 | |
924 | if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) { | |
59d24925 JM |
925 | if (if_indextoname(ifi->ifi_index, namebuf) && |
926 | linux_iface_up(drv->global->ioctl_sock, | |
834ee56f | 927 | drv->first_bss->ifname) > 0) { |
59d24925 JM |
928 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " |
929 | "event since interface %s is up", namebuf); | |
930 | return; | |
931 | } | |
a63063b4 | 932 | wpa_printf(MSG_DEBUG, "nl80211: Interface down"); |
7d9c3698 JM |
933 | if (drv->ignore_if_down_event) { |
934 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " | |
935 | "event generated by mode change"); | |
936 | drv->ignore_if_down_event = 0; | |
937 | } else { | |
938 | drv->if_disabled = 1; | |
939 | wpa_supplicant_event(drv->ctx, | |
940 | EVENT_INTERFACE_DISABLED, NULL); | |
819f096f AO |
941 | |
942 | /* | |
943 | * Try to get drv again, since it may be removed as | |
944 | * part of the EVENT_INTERFACE_DISABLED handling for | |
945 | * dynamic interfaces | |
946 | */ | |
947 | drv = nl80211_find_drv(global, ifi->ifi_index, | |
948 | buf, len); | |
949 | if (!drv) | |
950 | return; | |
7d9c3698 | 951 | } |
a63063b4 JM |
952 | } |
953 | ||
954 | if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) { | |
aef85ba2 JM |
955 | if (if_indextoname(ifi->ifi_index, namebuf) && |
956 | linux_iface_up(drv->global->ioctl_sock, | |
834ee56f | 957 | drv->first_bss->ifname) == 0) { |
aef85ba2 JM |
958 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " |
959 | "event since interface %s is down", | |
960 | namebuf); | |
834ee56f | 961 | } else if (if_nametoindex(drv->first_bss->ifname) == 0) { |
d1f4942b JM |
962 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " |
963 | "event since interface %s does not exist", | |
834ee56f | 964 | drv->first_bss->ifname); |
d1f4942b JM |
965 | } else if (drv->if_removed) { |
966 | wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " | |
967 | "event since interface %s is marked " | |
834ee56f | 968 | "removed", drv->first_bss->ifname); |
aef85ba2 | 969 | } else { |
3e0272ca DW |
970 | struct i802_bss *bss; |
971 | u8 addr[ETH_ALEN]; | |
972 | ||
973 | /* Re-read MAC address as it may have changed */ | |
974 | bss = get_bss_ifindex(drv, ifi->ifi_index); | |
975 | if (bss && | |
976 | linux_get_ifhwaddr(drv->global->ioctl_sock, | |
977 | bss->ifname, addr) < 0) { | |
978 | wpa_printf(MSG_DEBUG, | |
979 | "nl80211: %s: failed to re-read MAC address", | |
980 | bss->ifname); | |
981 | } else if (bss && | |
982 | os_memcmp(addr, bss->addr, ETH_ALEN) != 0) { | |
983 | wpa_printf(MSG_DEBUG, | |
984 | "nl80211: Own MAC address on ifindex %d (%s) changed from " | |
985 | MACSTR " to " MACSTR, | |
986 | ifi->ifi_index, bss->ifname, | |
987 | MAC2STR(bss->addr), | |
988 | MAC2STR(addr)); | |
989 | os_memcpy(bss->addr, addr, ETH_ALEN); | |
990 | } | |
991 | ||
aef85ba2 JM |
992 | wpa_printf(MSG_DEBUG, "nl80211: Interface up"); |
993 | drv->if_disabled = 0; | |
994 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, | |
995 | NULL); | |
996 | } | |
a63063b4 JM |
997 | } |
998 | ||
3f5285e8 JM |
999 | /* |
1000 | * Some drivers send the association event before the operup event--in | |
1001 | * this case, lifting operstate in wpa_driver_nl80211_set_operstate() | |
1002 | * fails. This will hit us when wpa_supplicant does not need to do | |
1003 | * IEEE 802.1X authentication | |
1004 | */ | |
1005 | if (drv->operstate == 1 && | |
1006 | (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP && | |
90a545cc JM |
1007 | !(ifi->ifi_flags & IFF_RUNNING)) { |
1008 | wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate"); | |
36d84860 | 1009 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, |
e2d02c29 | 1010 | -1, IF_OPER_UP); |
3f5285e8 | 1011 | } |
97cfcf64 | 1012 | |
90a545cc JM |
1013 | if (ifname[0]) |
1014 | wpa_driver_nl80211_event_newlink(drv, ifname); | |
1015 | ||
97cfcf64 | 1016 | if (ifi->ifi_family == AF_BRIDGE && brid) { |
392dfd37 JM |
1017 | struct i802_bss *bss; |
1018 | ||
97cfcf64 | 1019 | /* device has been added to bridge */ |
97cfcf64 B |
1020 | if_indextoname(brid, namebuf); |
1021 | wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s", | |
1022 | brid, namebuf); | |
1023 | add_ifidx(drv, brid); | |
392dfd37 JM |
1024 | |
1025 | for (bss = drv->first_bss; bss; bss = bss->next) { | |
1026 | if (os_strcmp(ifname, bss->ifname) == 0) { | |
1027 | os_strlcpy(bss->brname, namebuf, IFNAMSIZ); | |
1028 | break; | |
1029 | } | |
1030 | } | |
97cfcf64 | 1031 | } |
3f5285e8 JM |
1032 | } |
1033 | ||
1034 | ||
62d680c3 JM |
1035 | static void wpa_driver_nl80211_event_rtm_dellink(void *ctx, |
1036 | struct ifinfomsg *ifi, | |
1037 | u8 *buf, size_t len) | |
3f5285e8 | 1038 | { |
36d84860 BG |
1039 | struct nl80211_global *global = ctx; |
1040 | struct wpa_driver_nl80211_data *drv; | |
90a545cc | 1041 | int attrlen; |
62d680c3 | 1042 | struct rtattr *attr; |
97cfcf64 | 1043 | u32 brid = 0; |
90a545cc | 1044 | char ifname[IFNAMSIZ + 1]; |
f2e90835 | 1045 | char extra[100], *pos, *end; |
3f5285e8 | 1046 | |
36d84860 BG |
1047 | drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); |
1048 | if (!drv) { | |
90a545cc JM |
1049 | wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d", |
1050 | ifi->ifi_index); | |
36d84860 BG |
1051 | return; |
1052 | } | |
1053 | ||
f2e90835 JM |
1054 | extra[0] = '\0'; |
1055 | pos = extra; | |
1056 | end = pos + sizeof(extra); | |
90a545cc JM |
1057 | ifname[0] = '\0'; |
1058 | ||
62d680c3 JM |
1059 | attrlen = len; |
1060 | attr = (struct rtattr *) buf; | |
3f5285e8 | 1061 | while (RTA_OK(attr, attrlen)) { |
90a545cc JM |
1062 | switch (attr->rta_type) { |
1063 | case IFLA_IFNAME: | |
1064 | if (RTA_PAYLOAD(attr) >= IFNAMSIZ) | |
1065 | break; | |
1066 | os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr)); | |
1067 | ifname[RTA_PAYLOAD(attr)] = '\0'; | |
1068 | break; | |
1069 | case IFLA_MASTER: | |
97cfcf64 | 1070 | brid = nla_get_u32((struct nlattr *) attr); |
f2e90835 JM |
1071 | pos += os_snprintf(pos, end - pos, " master=%u", brid); |
1072 | break; | |
1073 | case IFLA_OPERSTATE: | |
1074 | pos += os_snprintf(pos, end - pos, " operstate=%u", | |
1075 | nla_get_u32((struct nlattr *) attr)); | |
1076 | break; | |
1077 | case IFLA_LINKMODE: | |
1078 | pos += os_snprintf(pos, end - pos, " linkmode=%u", | |
1079 | nla_get_u32((struct nlattr *) attr)); | |
90a545cc JM |
1080 | break; |
1081 | } | |
3f5285e8 JM |
1082 | attr = RTA_NEXT(attr, attrlen); |
1083 | } | |
f2e90835 JM |
1084 | extra[sizeof(extra) - 1] = '\0'; |
1085 | ||
1086 | wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)", | |
1087 | ifi->ifi_index, ifname, extra, ifi->ifi_family, | |
1088 | ifi->ifi_flags, | |
1089 | (ifi->ifi_flags & IFF_UP) ? "[UP]" : "", | |
1090 | (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", | |
1091 | (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", | |
1092 | (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); | |
97cfcf64 | 1093 | |
728ff2f4 | 1094 | if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid)) |
90a545cc JM |
1095 | wpa_driver_nl80211_event_dellink(drv, ifname); |
1096 | ||
97cfcf64 B |
1097 | if (ifi->ifi_family == AF_BRIDGE && brid) { |
1098 | /* device has been removed from bridge */ | |
1099 | char namebuf[IFNAMSIZ]; | |
1100 | if_indextoname(brid, namebuf); | |
1101 | wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge " | |
1102 | "%s", brid, namebuf); | |
1103 | del_ifidx(drv, brid); | |
1104 | } | |
3f5285e8 JM |
1105 | } |
1106 | ||
1107 | ||
f3407c66 | 1108 | unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv) |
f5a8d422 JM |
1109 | { |
1110 | struct nl_msg *msg; | |
1111 | int ret; | |
1112 | struct nl80211_bss_info_arg arg; | |
1113 | ||
1114 | os_memset(&arg, 0, sizeof(arg)); | |
1115 | msg = nlmsg_alloc(); | |
1116 | if (!msg) | |
1117 | goto nla_put_failure; | |
1118 | ||
9fb04070 | 1119 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN); |
f5a8d422 JM |
1120 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
1121 | ||
1122 | arg.drv = drv; | |
1123 | ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg); | |
1124 | msg = NULL; | |
1125 | if (ret == 0) { | |
c7caac56 JM |
1126 | unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ? |
1127 | arg.ibss_freq : arg.assoc_freq; | |
f5a8d422 | 1128 | wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the " |
c7caac56 JM |
1129 | "associated BSS from scan results: %u MHz", freq); |
1130 | if (freq) | |
1131 | drv->assoc_freq = freq; | |
30158a0d | 1132 | return drv->assoc_freq; |
f5a8d422 JM |
1133 | } |
1134 | wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " | |
1135 | "(%s)", ret, strerror(-ret)); | |
1136 | nla_put_failure: | |
1137 | nlmsg_free(msg); | |
1138 | return drv->assoc_freq; | |
1139 | } | |
1140 | ||
1141 | ||
60a972a6 JM |
1142 | static int get_link_signal(struct nl_msg *msg, void *arg) |
1143 | { | |
1144 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1145 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1146 | struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1]; | |
1147 | static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = { | |
1148 | [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 }, | |
95783298 | 1149 | [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 }, |
60a972a6 | 1150 | }; |
7ee35bf3 PS |
1151 | struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1]; |
1152 | static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = { | |
1153 | [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 }, | |
1154 | [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 }, | |
1155 | [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG }, | |
1156 | [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG }, | |
1157 | }; | |
1c5c7273 | 1158 | struct wpa_signal_info *sig_change = arg; |
60a972a6 JM |
1159 | |
1160 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1161 | genlmsg_attrlen(gnlh, 0), NULL); | |
1162 | if (!tb[NL80211_ATTR_STA_INFO] || | |
1163 | nla_parse_nested(sinfo, NL80211_STA_INFO_MAX, | |
1164 | tb[NL80211_ATTR_STA_INFO], policy)) | |
1165 | return NL_SKIP; | |
1166 | if (!sinfo[NL80211_STA_INFO_SIGNAL]) | |
1167 | return NL_SKIP; | |
1168 | ||
7ee35bf3 PS |
1169 | sig_change->current_signal = |
1170 | (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]); | |
1171 | ||
95783298 AO |
1172 | if (sinfo[NL80211_STA_INFO_SIGNAL_AVG]) |
1173 | sig_change->avg_signal = | |
1174 | (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]); | |
1175 | else | |
1176 | sig_change->avg_signal = 0; | |
1177 | ||
7ee35bf3 PS |
1178 | if (sinfo[NL80211_STA_INFO_TX_BITRATE]) { |
1179 | if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX, | |
1180 | sinfo[NL80211_STA_INFO_TX_BITRATE], | |
1181 | rate_policy)) { | |
1182 | sig_change->current_txrate = 0; | |
1183 | } else { | |
1184 | if (rinfo[NL80211_RATE_INFO_BITRATE]) { | |
1185 | sig_change->current_txrate = | |
1186 | nla_get_u16(rinfo[ | |
1187 | NL80211_RATE_INFO_BITRATE]) * 100; | |
1188 | } | |
1189 | } | |
1190 | } | |
1191 | ||
60a972a6 JM |
1192 | return NL_SKIP; |
1193 | } | |
1194 | ||
1195 | ||
f3407c66 JM |
1196 | int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, |
1197 | struct wpa_signal_info *sig) | |
60a972a6 JM |
1198 | { |
1199 | struct nl_msg *msg; | |
1200 | ||
7ee35bf3 PS |
1201 | sig->current_signal = -9999; |
1202 | sig->current_txrate = 0; | |
60a972a6 JM |
1203 | |
1204 | msg = nlmsg_alloc(); | |
1205 | if (!msg) | |
1206 | return -ENOMEM; | |
1207 | ||
9fb04070 | 1208 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION); |
60a972a6 JM |
1209 | |
1210 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
1211 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid); | |
1212 | ||
1213 | return send_and_recv_msgs(drv, msg, get_link_signal, sig); | |
1214 | nla_put_failure: | |
5883168a | 1215 | nlmsg_free(msg); |
60a972a6 JM |
1216 | return -ENOBUFS; |
1217 | } | |
1218 | ||
1219 | ||
7ee35bf3 PS |
1220 | static int get_link_noise(struct nl_msg *msg, void *arg) |
1221 | { | |
1222 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1223 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1224 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
1225 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
1226 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
1227 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
1228 | }; | |
1c5c7273 | 1229 | struct wpa_signal_info *sig_change = arg; |
7ee35bf3 PS |
1230 | |
1231 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1232 | genlmsg_attrlen(gnlh, 0), NULL); | |
1233 | ||
1234 | if (!tb[NL80211_ATTR_SURVEY_INFO]) { | |
1235 | wpa_printf(MSG_DEBUG, "nl80211: survey data missing!"); | |
1236 | return NL_SKIP; | |
1237 | } | |
1238 | ||
1239 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
1240 | tb[NL80211_ATTR_SURVEY_INFO], | |
1241 | survey_policy)) { | |
1242 | wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested " | |
1243 | "attributes!"); | |
1244 | return NL_SKIP; | |
1245 | } | |
1246 | ||
1247 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) | |
1248 | return NL_SKIP; | |
1249 | ||
1250 | if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != | |
1251 | sig_change->frequency) | |
1252 | return NL_SKIP; | |
1253 | ||
1254 | if (!sinfo[NL80211_SURVEY_INFO_NOISE]) | |
1255 | return NL_SKIP; | |
1256 | ||
1257 | sig_change->current_noise = | |
1258 | (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
1259 | ||
1260 | return NL_SKIP; | |
1261 | } | |
1262 | ||
1263 | ||
f3407c66 JM |
1264 | int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, |
1265 | struct wpa_signal_info *sig_change) | |
7ee35bf3 PS |
1266 | { |
1267 | struct nl_msg *msg; | |
1268 | ||
1269 | sig_change->current_noise = 9999; | |
1270 | sig_change->frequency = drv->assoc_freq; | |
1271 | ||
1272 | msg = nlmsg_alloc(); | |
1273 | if (!msg) | |
1274 | return -ENOMEM; | |
1275 | ||
9fb04070 | 1276 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); |
7ee35bf3 PS |
1277 | |
1278 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
1279 | ||
1280 | return send_and_recv_msgs(drv, msg, get_link_noise, sig_change); | |
1281 | nla_put_failure: | |
5883168a | 1282 | nlmsg_free(msg); |
7ee35bf3 PS |
1283 | return -ENOBUFS; |
1284 | } | |
1285 | ||
1286 | ||
577db0ae GM |
1287 | static int get_noise_for_scan_results(struct nl_msg *msg, void *arg) |
1288 | { | |
1289 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1290 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1291 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
1292 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
1293 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
1294 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
1295 | }; | |
1296 | struct wpa_scan_results *scan_results = arg; | |
1297 | struct wpa_scan_res *scan_res; | |
1298 | size_t i; | |
1299 | ||
1300 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1301 | genlmsg_attrlen(gnlh, 0), NULL); | |
1302 | ||
1303 | if (!tb[NL80211_ATTR_SURVEY_INFO]) { | |
1304 | wpa_printf(MSG_DEBUG, "nl80211: Survey data missing"); | |
1305 | return NL_SKIP; | |
1306 | } | |
1307 | ||
1308 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
1309 | tb[NL80211_ATTR_SURVEY_INFO], | |
1310 | survey_policy)) { | |
1311 | wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested " | |
1312 | "attributes"); | |
1313 | return NL_SKIP; | |
1314 | } | |
1315 | ||
1316 | if (!sinfo[NL80211_SURVEY_INFO_NOISE]) | |
1317 | return NL_SKIP; | |
1318 | ||
1319 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) | |
1320 | return NL_SKIP; | |
1321 | ||
1322 | for (i = 0; i < scan_results->num; ++i) { | |
1323 | scan_res = scan_results->res[i]; | |
1324 | if (!scan_res) | |
1325 | continue; | |
1326 | if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != | |
1327 | scan_res->freq) | |
1328 | continue; | |
1329 | if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID)) | |
1330 | continue; | |
1331 | scan_res->noise = (s8) | |
1332 | nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
1333 | scan_res->flags &= ~WPA_SCAN_NOISE_INVALID; | |
1334 | } | |
1335 | ||
1336 | return NL_SKIP; | |
1337 | } | |
1338 | ||
1339 | ||
1340 | static int nl80211_get_noise_for_scan_results( | |
1341 | struct wpa_driver_nl80211_data *drv, | |
1342 | struct wpa_scan_results *scan_res) | |
1343 | { | |
1344 | struct nl_msg *msg; | |
1345 | ||
1346 | msg = nlmsg_alloc(); | |
1347 | if (!msg) | |
1348 | return -ENOMEM; | |
1349 | ||
1350 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); | |
1351 | ||
1352 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
1353 | ||
1354 | return send_and_recv_msgs(drv, msg, get_noise_for_scan_results, | |
1355 | scan_res); | |
1356 | nla_put_failure: | |
9e088e74 | 1357 | nlmsg_free(msg); |
577db0ae GM |
1358 | return -ENOBUFS; |
1359 | } | |
1360 | ||
1361 | ||
97865538 | 1362 | static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx, |
5582a5d1 | 1363 | void *handle) |
97865538 | 1364 | { |
a4ae123c | 1365 | struct nl_cb *cb = eloop_ctx; |
34068ac3 | 1366 | int res; |
97865538 | 1367 | |
cc2ada86 | 1368 | wpa_printf(MSG_MSGDUMP, "nl80211: Event message available"); |
97865538 | 1369 | |
34068ac3 | 1370 | res = nl_recvmsgs(handle, cb); |
d3d04831 | 1371 | if (res < 0) { |
34068ac3 JM |
1372 | wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d", |
1373 | __func__, res); | |
1374 | } | |
97865538 JM |
1375 | } |
1376 | ||
1377 | ||
6d158490 LR |
1378 | /** |
1379 | * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain | |
1380 | * @priv: driver_nl80211 private data | |
1381 | * @alpha2_arg: country to which to switch to | |
1382 | * Returns: 0 on success, -1 on failure | |
1383 | * | |
1384 | * This asks nl80211 to set the regulatory domain for given | |
1385 | * country ISO / IEC alpha2. | |
1386 | */ | |
1387 | static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg) | |
1388 | { | |
a2e40bb6 FF |
1389 | struct i802_bss *bss = priv; |
1390 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6d158490 LR |
1391 | char alpha2[3]; |
1392 | struct nl_msg *msg; | |
1393 | ||
1394 | msg = nlmsg_alloc(); | |
1395 | if (!msg) | |
e785c2ba | 1396 | return -ENOMEM; |
6d158490 LR |
1397 | |
1398 | alpha2[0] = alpha2_arg[0]; | |
1399 | alpha2[1] = alpha2_arg[1]; | |
1400 | alpha2[2] = '\0'; | |
1401 | ||
9fb04070 | 1402 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG); |
6d158490 LR |
1403 | |
1404 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2); | |
1405 | if (send_and_recv_msgs(drv, msg, NULL, NULL)) | |
1406 | return -EINVAL; | |
1407 | return 0; | |
1408 | nla_put_failure: | |
5883168a | 1409 | nlmsg_free(msg); |
6d158490 LR |
1410 | return -EINVAL; |
1411 | } | |
1412 | ||
1413 | ||
f0793bf1 JM |
1414 | static int nl80211_get_country(struct nl_msg *msg, void *arg) |
1415 | { | |
1416 | char *alpha2 = arg; | |
1417 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
1418 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1419 | ||
1420 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1421 | genlmsg_attrlen(gnlh, 0), NULL); | |
1422 | if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) { | |
1423 | wpa_printf(MSG_DEBUG, "nl80211: No country information available"); | |
1424 | return NL_SKIP; | |
1425 | } | |
1426 | os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3); | |
1427 | return NL_SKIP; | |
1428 | } | |
1429 | ||
1430 | ||
1431 | static int wpa_driver_nl80211_get_country(void *priv, char *alpha2) | |
1432 | { | |
1433 | struct i802_bss *bss = priv; | |
1434 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1435 | struct nl_msg *msg; | |
1436 | int ret; | |
1437 | ||
1438 | msg = nlmsg_alloc(); | |
1439 | if (!msg) | |
1440 | return -ENOMEM; | |
1441 | ||
1442 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); | |
1443 | alpha2[0] = '\0'; | |
1444 | ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2); | |
1445 | if (!alpha2[0]) | |
1446 | ret = -1; | |
1447 | ||
1448 | return ret; | |
1449 | } | |
1450 | ||
1451 | ||
2a7b66f5 BG |
1452 | static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global) |
1453 | { | |
d6c9aab8 JB |
1454 | int ret; |
1455 | ||
2a7b66f5 BG |
1456 | global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); |
1457 | if (global->nl_cb == NULL) { | |
1458 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " | |
1459 | "callbacks"); | |
1460 | return -1; | |
1461 | } | |
1462 | ||
481234cf JM |
1463 | global->nl = nl_create_handle(global->nl_cb, "nl"); |
1464 | if (global->nl == NULL) | |
d6c9aab8 | 1465 | goto err; |
276e2d67 | 1466 | |
481234cf | 1467 | global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211"); |
335d42b1 | 1468 | if (global->nl80211_id < 0) { |
276e2d67 BG |
1469 | wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not " |
1470 | "found"); | |
d6c9aab8 | 1471 | goto err; |
276e2d67 BG |
1472 | } |
1473 | ||
481234cf JM |
1474 | global->nl_event = nl_create_handle(global->nl_cb, "event"); |
1475 | if (global->nl_event == NULL) | |
d6c9aab8 | 1476 | goto err; |
9fff9fdc | 1477 | |
d6c9aab8 | 1478 | ret = nl_get_multicast_id(global, "nl80211", "scan"); |
97865538 | 1479 | if (ret >= 0) |
481234cf | 1480 | ret = nl_socket_add_membership(global->nl_event, ret); |
97865538 JM |
1481 | if (ret < 0) { |
1482 | wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " | |
1483 | "membership for scan events: %d (%s)", | |
1484 | ret, strerror(-ret)); | |
d6c9aab8 | 1485 | goto err; |
97865538 | 1486 | } |
c2a04078 | 1487 | |
d6c9aab8 | 1488 | ret = nl_get_multicast_id(global, "nl80211", "mlme"); |
c2a04078 | 1489 | if (ret >= 0) |
481234cf | 1490 | ret = nl_socket_add_membership(global->nl_event, ret); |
c2a04078 JM |
1491 | if (ret < 0) { |
1492 | wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " | |
1493 | "membership for mlme events: %d (%s)", | |
1494 | ret, strerror(-ret)); | |
d6c9aab8 | 1495 | goto err; |
c2a04078 | 1496 | } |
c2a04078 | 1497 | |
d6c9aab8 | 1498 | ret = nl_get_multicast_id(global, "nl80211", "regulatory"); |
33c5deb8 | 1499 | if (ret >= 0) |
481234cf | 1500 | ret = nl_socket_add_membership(global->nl_event, ret); |
33c5deb8 JM |
1501 | if (ret < 0) { |
1502 | wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " | |
1503 | "membership for regulatory events: %d (%s)", | |
1504 | ret, strerror(-ret)); | |
1505 | /* Continue without regulatory events */ | |
1506 | } | |
1507 | ||
17b79e65 JM |
1508 | ret = nl_get_multicast_id(global, "nl80211", "vendor"); |
1509 | if (ret >= 0) | |
1510 | ret = nl_socket_add_membership(global->nl_event, ret); | |
1511 | if (ret < 0) { | |
1512 | wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " | |
1513 | "membership for vendor events: %d (%s)", | |
1514 | ret, strerror(-ret)); | |
1515 | /* Continue without vendor events */ | |
1516 | } | |
1517 | ||
d6c9aab8 JB |
1518 | nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, |
1519 | no_seq_check, NULL); | |
1520 | nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
1521 | process_global_event, global); | |
1522 | ||
5f65e9f7 JB |
1523 | nl80211_register_eloop_read(&global->nl_event, |
1524 | wpa_driver_nl80211_event_receive, | |
1525 | global->nl_cb); | |
d6c9aab8 JB |
1526 | |
1527 | return 0; | |
1528 | ||
1529 | err: | |
1530 | nl_destroy_handles(&global->nl_event); | |
1531 | nl_destroy_handles(&global->nl); | |
1532 | nl_cb_put(global->nl_cb); | |
671a5039 | 1533 | global->nl_cb = NULL; |
d6c9aab8 JB |
1534 | return -1; |
1535 | } | |
1536 | ||
1537 | ||
1538 | static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv) | |
1539 | { | |
1afc986d JB |
1540 | drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); |
1541 | if (!drv->nl_cb) { | |
1542 | wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct"); | |
d6c9aab8 | 1543 | return -1; |
1afc986d JB |
1544 | } |
1545 | ||
1546 | nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
1547 | no_seq_check, NULL); | |
f06aedd9 JB |
1548 | nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, |
1549 | process_drv_event, drv); | |
1afc986d | 1550 | |
9fff9fdc | 1551 | return 0; |
9fff9fdc JM |
1552 | } |
1553 | ||
1554 | ||
8401a6b0 JM |
1555 | static void wpa_driver_nl80211_rfkill_blocked(void *ctx) |
1556 | { | |
8401a6b0 | 1557 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked"); |
a63063b4 JM |
1558 | /* |
1559 | * This may be for any interface; use ifdown event to disable | |
1560 | * interface. | |
1561 | */ | |
8401a6b0 JM |
1562 | } |
1563 | ||
1564 | ||
1565 | static void wpa_driver_nl80211_rfkill_unblocked(void *ctx) | |
1566 | { | |
1567 | struct wpa_driver_nl80211_data *drv = ctx; | |
1568 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked"); | |
834ee56f | 1569 | if (i802_set_iface_flags(drv->first_bss, 1)) { |
8401a6b0 JM |
1570 | wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP " |
1571 | "after rfkill unblock"); | |
1572 | return; | |
1573 | } | |
a63063b4 | 1574 | /* rtnetlink ifup handler will report interface as enabled */ |
8401a6b0 JM |
1575 | } |
1576 | ||
1577 | ||
32ab4855 JB |
1578 | static void wpa_driver_nl80211_handle_eapol_tx_status(int sock, |
1579 | void *eloop_ctx, | |
1580 | void *handle) | |
1581 | { | |
1582 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
1583 | u8 data[2048]; | |
1584 | struct msghdr msg; | |
1585 | struct iovec entry; | |
cad0f50e | 1586 | u8 control[512]; |
32ab4855 JB |
1587 | struct cmsghdr *cmsg; |
1588 | int res, found_ee = 0, found_wifi = 0, acked = 0; | |
1589 | union wpa_event_data event; | |
1590 | ||
1591 | memset(&msg, 0, sizeof(msg)); | |
1592 | msg.msg_iov = &entry; | |
1593 | msg.msg_iovlen = 1; | |
1594 | entry.iov_base = data; | |
1595 | entry.iov_len = sizeof(data); | |
1596 | msg.msg_control = &control; | |
1597 | msg.msg_controllen = sizeof(control); | |
1598 | ||
1599 | res = recvmsg(sock, &msg, MSG_ERRQUEUE); | |
1600 | /* if error or not fitting 802.3 header, return */ | |
1601 | if (res < 14) | |
1602 | return; | |
1603 | ||
1604 | for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) | |
1605 | { | |
1606 | if (cmsg->cmsg_level == SOL_SOCKET && | |
1607 | cmsg->cmsg_type == SCM_WIFI_STATUS) { | |
1608 | int *ack; | |
1609 | ||
1610 | found_wifi = 1; | |
1611 | ack = (void *)CMSG_DATA(cmsg); | |
1612 | acked = *ack; | |
1613 | } | |
1614 | ||
1615 | if (cmsg->cmsg_level == SOL_PACKET && | |
1616 | cmsg->cmsg_type == PACKET_TX_TIMESTAMP) { | |
1617 | struct sock_extended_err *err = | |
1618 | (struct sock_extended_err *)CMSG_DATA(cmsg); | |
1619 | ||
1620 | if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS) | |
1621 | found_ee = 1; | |
1622 | } | |
1623 | } | |
1624 | ||
1625 | if (!found_ee || !found_wifi) | |
1626 | return; | |
1627 | ||
1628 | memset(&event, 0, sizeof(event)); | |
1629 | event.eapol_tx_status.dst = data; | |
1630 | event.eapol_tx_status.data = data + 14; | |
1631 | event.eapol_tx_status.data_len = res - 14; | |
1632 | event.eapol_tx_status.ack = acked; | |
1633 | wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event); | |
1634 | } | |
1635 | ||
1636 | ||
cc7a48d1 JB |
1637 | static int nl80211_init_bss(struct i802_bss *bss) |
1638 | { | |
1639 | bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); | |
1640 | if (!bss->nl_cb) | |
1641 | return -1; | |
1642 | ||
1643 | nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, | |
1644 | no_seq_check, NULL); | |
1645 | nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, | |
1646 | process_bss_event, bss); | |
1647 | ||
1648 | return 0; | |
1649 | } | |
1650 | ||
1651 | ||
1652 | static void nl80211_destroy_bss(struct i802_bss *bss) | |
1653 | { | |
1654 | nl_cb_put(bss->nl_cb); | |
1655 | bss->nl_cb = NULL; | |
1656 | } | |
1657 | ||
1658 | ||
0d547d5f JM |
1659 | static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname, |
1660 | void *global_priv, int hostapd, | |
1661 | const u8 *set_addr) | |
9fff9fdc | 1662 | { |
9fff9fdc | 1663 | struct wpa_driver_nl80211_data *drv; |
8401a6b0 | 1664 | struct rfkill_config *rcfg; |
a2e40bb6 | 1665 | struct i802_bss *bss; |
9fff9fdc | 1666 | |
a5c696ad JM |
1667 | if (global_priv == NULL) |
1668 | return NULL; | |
9fff9fdc JM |
1669 | drv = os_zalloc(sizeof(*drv)); |
1670 | if (drv == NULL) | |
1671 | return NULL; | |
f2ed8023 | 1672 | drv->global = global_priv; |
9fff9fdc | 1673 | drv->ctx = ctx; |
0d547d5f JM |
1674 | drv->hostapd = !!hostapd; |
1675 | drv->eapol_sock = -1; | |
1676 | drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int); | |
1677 | drv->if_indices = drv->default_if_indices; | |
834ee56f KP |
1678 | |
1679 | drv->first_bss = os_zalloc(sizeof(*drv->first_bss)); | |
1680 | if (!drv->first_bss) { | |
1681 | os_free(drv); | |
1682 | return NULL; | |
1683 | } | |
1684 | bss = drv->first_bss; | |
a2e40bb6 | 1685 | bss->drv = drv; |
a5e1eb20 SE |
1686 | bss->ctx = ctx; |
1687 | ||
a2e40bb6 | 1688 | os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname)); |
9fff9fdc JM |
1689 | drv->monitor_ifidx = -1; |
1690 | drv->monitor_sock = -1; | |
d12dab4c | 1691 | drv->eapol_tx_sock = -1; |
b1f625e0 | 1692 | drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; |
9fff9fdc | 1693 | |
ba2d0d7d | 1694 | if (wpa_driver_nl80211_init_nl(drv)) { |
bbaf0837 JM |
1695 | os_free(drv); |
1696 | return NULL; | |
1697 | } | |
9fff9fdc | 1698 | |
cc7a48d1 JB |
1699 | if (nl80211_init_bss(bss)) |
1700 | goto failed; | |
1701 | ||
8401a6b0 JM |
1702 | rcfg = os_zalloc(sizeof(*rcfg)); |
1703 | if (rcfg == NULL) | |
1704 | goto failed; | |
1705 | rcfg->ctx = drv; | |
1706 | os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname)); | |
1707 | rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked; | |
1708 | rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked; | |
1709 | drv->rfkill = rfkill_init(rcfg); | |
52169389 | 1710 | if (drv->rfkill == NULL) { |
8401a6b0 | 1711 | wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available"); |
52169389 JM |
1712 | os_free(rcfg); |
1713 | } | |
8401a6b0 | 1714 | |
146fa9b3 JM |
1715 | if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0) |
1716 | drv->start_iface_up = 1; | |
1717 | ||
49b4b205 | 1718 | if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1)) |
bbaf0837 | 1719 | goto failed; |
7524cfb1 | 1720 | |
d12dab4c | 1721 | drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0); |
32ab4855 JB |
1722 | if (drv->eapol_tx_sock < 0) |
1723 | goto failed; | |
1724 | ||
1725 | if (drv->data_tx_status) { | |
1726 | int enabled = 1; | |
1727 | ||
1728 | if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS, | |
1729 | &enabled, sizeof(enabled)) < 0) { | |
1730 | wpa_printf(MSG_DEBUG, | |
1731 | "nl80211: wifi status sockopt failed\n"); | |
1732 | drv->data_tx_status = 0; | |
a11241fa JB |
1733 | if (!drv->use_monitor) |
1734 | drv->capa.flags &= | |
1735 | ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
32ab4855 JB |
1736 | } else { |
1737 | eloop_register_read_sock(drv->eapol_tx_sock, | |
1738 | wpa_driver_nl80211_handle_eapol_tx_status, | |
1739 | drv, NULL); | |
1740 | } | |
1741 | } | |
f10bfc9a | 1742 | |
dac12351 | 1743 | if (drv->global) { |
c4bb8817 | 1744 | dl_list_add(&drv->global->interfaces, &drv->list); |
dac12351 BG |
1745 | drv->in_interface_list = 1; |
1746 | } | |
c4bb8817 | 1747 | |
a2e40bb6 | 1748 | return bss; |
7524cfb1 | 1749 | |
bbaf0837 | 1750 | failed: |
dac12351 | 1751 | wpa_driver_nl80211_deinit(bss); |
7524cfb1 JM |
1752 | return NULL; |
1753 | } | |
1754 | ||
1755 | ||
0d547d5f JM |
1756 | /** |
1757 | * wpa_driver_nl80211_init - Initialize nl80211 driver interface | |
1758 | * @ctx: context to be used when calling wpa_supplicant functions, | |
1759 | * e.g., wpa_supplicant_event() | |
1760 | * @ifname: interface name, e.g., wlan0 | |
1761 | * @global_priv: private driver global data from global_init() | |
1762 | * Returns: Pointer to private data, %NULL on failure | |
1763 | */ | |
1764 | static void * wpa_driver_nl80211_init(void *ctx, const char *ifname, | |
1765 | void *global_priv) | |
1766 | { | |
1767 | return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL); | |
1768 | } | |
1769 | ||
1770 | ||
a11241fa | 1771 | static int nl80211_register_frame(struct i802_bss *bss, |
5582a5d1 | 1772 | struct nl_handle *nl_handle, |
bd94971e | 1773 | u16 type, const u8 *match, size_t match_len) |
58f6fbe0 | 1774 | { |
a11241fa | 1775 | struct wpa_driver_nl80211_data *drv = bss->drv; |
58f6fbe0 JM |
1776 | struct nl_msg *msg; |
1777 | int ret = -1; | |
880de885 | 1778 | char buf[30]; |
58f6fbe0 JM |
1779 | |
1780 | msg = nlmsg_alloc(); | |
1781 | if (!msg) | |
1782 | return -1; | |
1783 | ||
880de885 JM |
1784 | buf[0] = '\0'; |
1785 | wpa_snprintf_hex(buf, sizeof(buf), match, match_len); | |
dedfa440 PF |
1786 | wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s", |
1787 | type, fc2str(type), nl_handle, buf); | |
36488c05 | 1788 | |
9fb04070 | 1789 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_ACTION); |
58f6fbe0 | 1790 | |
f632e483 | 1791 | if (nl80211_set_iface_id(msg, bss) < 0) |
d3aaef80 DS |
1792 | goto nla_put_failure; |
1793 | ||
bd94971e | 1794 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type); |
58f6fbe0 JM |
1795 | NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match); |
1796 | ||
d6c9aab8 | 1797 | ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL); |
58f6fbe0 JM |
1798 | msg = NULL; |
1799 | if (ret) { | |
5582a5d1 JB |
1800 | wpa_printf(MSG_DEBUG, "nl80211: Register frame command " |
1801 | "failed (type=%u): ret=%d (%s)", | |
1802 | type, ret, strerror(-ret)); | |
1803 | wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match", | |
58f6fbe0 JM |
1804 | match, match_len); |
1805 | goto nla_put_failure; | |
1806 | } | |
1807 | ret = 0; | |
1808 | nla_put_failure: | |
1809 | nlmsg_free(msg); | |
1810 | return ret; | |
1811 | } | |
1812 | ||
1813 | ||
a11241fa JB |
1814 | static int nl80211_alloc_mgmt_handle(struct i802_bss *bss) |
1815 | { | |
1816 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1817 | ||
481234cf | 1818 | if (bss->nl_mgmt) { |
a11241fa | 1819 | wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting " |
36488c05 | 1820 | "already on! (nl_mgmt=%p)", bss->nl_mgmt); |
a11241fa JB |
1821 | return -1; |
1822 | } | |
1823 | ||
481234cf JM |
1824 | bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt"); |
1825 | if (bss->nl_mgmt == NULL) | |
a11241fa JB |
1826 | return -1; |
1827 | ||
a11241fa JB |
1828 | return 0; |
1829 | } | |
1830 | ||
1831 | ||
5f65e9f7 JB |
1832 | static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss) |
1833 | { | |
1834 | nl80211_register_eloop_read(&bss->nl_mgmt, | |
1835 | wpa_driver_nl80211_event_receive, | |
1836 | bss->nl_cb); | |
1837 | } | |
1838 | ||
1839 | ||
a11241fa | 1840 | static int nl80211_register_action_frame(struct i802_bss *bss, |
bd94971e JB |
1841 | const u8 *match, size_t match_len) |
1842 | { | |
1843 | u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4); | |
481234cf | 1844 | return nl80211_register_frame(bss, bss->nl_mgmt, |
5582a5d1 | 1845 | type, match, match_len); |
bd94971e JB |
1846 | } |
1847 | ||
1848 | ||
a11241fa | 1849 | static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss) |
58f6fbe0 | 1850 | { |
a11241fa | 1851 | struct wpa_driver_nl80211_data *drv = bss->drv; |
6f06766e | 1852 | int ret = 0; |
a11241fa JB |
1853 | |
1854 | if (nl80211_alloc_mgmt_handle(bss)) | |
1855 | return -1; | |
36488c05 JM |
1856 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP " |
1857 | "handle %p", bss->nl_mgmt); | |
a11241fa | 1858 | |
e8d1168b JB |
1859 | if (drv->nlmode == NL80211_IFTYPE_ADHOC) { |
1860 | u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4); | |
1861 | ||
1862 | /* register for any AUTH message */ | |
1863 | nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0); | |
1864 | } | |
1865 | ||
56f5af48 JM |
1866 | #ifdef CONFIG_INTERWORKING |
1867 | /* QoS Map Configure */ | |
1868 | if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0) | |
6f06766e | 1869 | ret = -1; |
56f5af48 | 1870 | #endif /* CONFIG_INTERWORKING */ |
4fe9fa0d | 1871 | #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) |
046b26a2 | 1872 | /* GAS Initial Request */ |
a11241fa | 1873 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0) |
6f06766e | 1874 | ret = -1; |
046b26a2 | 1875 | /* GAS Initial Response */ |
a11241fa | 1876 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0) |
6f06766e | 1877 | ret = -1; |
18708aad | 1878 | /* GAS Comeback Request */ |
a11241fa | 1879 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0) |
6f06766e | 1880 | ret = -1; |
18708aad | 1881 | /* GAS Comeback Response */ |
a11241fa | 1882 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0) |
6f06766e | 1883 | ret = -1; |
c5a64e2d JM |
1884 | /* Protected GAS Initial Request */ |
1885 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0) | |
1886 | ret = -1; | |
1887 | /* Protected GAS Initial Response */ | |
1888 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0) | |
1889 | ret = -1; | |
1890 | /* Protected GAS Comeback Request */ | |
1891 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0) | |
1892 | ret = -1; | |
1893 | /* Protected GAS Comeback Response */ | |
1894 | if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0) | |
1895 | ret = -1; | |
4fe9fa0d JM |
1896 | #endif /* CONFIG_P2P || CONFIG_INTERWORKING */ |
1897 | #ifdef CONFIG_P2P | |
046b26a2 | 1898 | /* P2P Public Action */ |
a11241fa | 1899 | if (nl80211_register_action_frame(bss, |
046b26a2 JM |
1900 | (u8 *) "\x04\x09\x50\x6f\x9a\x09", |
1901 | 6) < 0) | |
6f06766e | 1902 | ret = -1; |
046b26a2 | 1903 | /* P2P Action */ |
a11241fa | 1904 | if (nl80211_register_action_frame(bss, |
046b26a2 JM |
1905 | (u8 *) "\x7f\x50\x6f\x9a\x09", |
1906 | 5) < 0) | |
6f06766e | 1907 | ret = -1; |
046b26a2 | 1908 | #endif /* CONFIG_P2P */ |
7d878ca7 JM |
1909 | #ifdef CONFIG_IEEE80211W |
1910 | /* SA Query Response */ | |
a11241fa | 1911 | if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0) |
6f06766e | 1912 | ret = -1; |
7d878ca7 | 1913 | #endif /* CONFIG_IEEE80211W */ |
35287637 AN |
1914 | #ifdef CONFIG_TDLS |
1915 | if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) { | |
1916 | /* TDLS Discovery Response */ | |
aa543c0c | 1917 | if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) < |
35287637 | 1918 | 0) |
6f06766e | 1919 | ret = -1; |
35287637 AN |
1920 | } |
1921 | #endif /* CONFIG_TDLS */ | |
046b26a2 | 1922 | |
7b90c16a | 1923 | /* FT Action frames */ |
a11241fa | 1924 | if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0) |
6f06766e | 1925 | ret = -1; |
7b90c16a JM |
1926 | else |
1927 | drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT | | |
1928 | WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK; | |
1929 | ||
71269b37 | 1930 | /* WNM - BSS Transition Management Request */ |
a11241fa | 1931 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0) |
6f06766e | 1932 | ret = -1; |
bd896433 JM |
1933 | /* WNM-Sleep Mode Response */ |
1934 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0) | |
6f06766e | 1935 | ret = -1; |
a11241fa | 1936 | |
95a3ea94 JM |
1937 | #ifdef CONFIG_HS20 |
1938 | /* WNM-Notification */ | |
1939 | if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0) | |
3ee18569 | 1940 | ret = -1; |
95a3ea94 JM |
1941 | #endif /* CONFIG_HS20 */ |
1942 | ||
5f65e9f7 JB |
1943 | nl80211_mgmt_handle_register_eloop(bss); |
1944 | ||
6f06766e | 1945 | return ret; |
a11241fa JB |
1946 | } |
1947 | ||
1948 | ||
afb0550a BC |
1949 | static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss) |
1950 | { | |
1951 | int ret = 0; | |
1952 | ||
1953 | if (nl80211_alloc_mgmt_handle(bss)) | |
1954 | return -1; | |
1955 | ||
1956 | wpa_printf(MSG_DEBUG, | |
1957 | "nl80211: Subscribe to mgmt frames with mesh handle %p", | |
1958 | bss->nl_mgmt); | |
1959 | ||
1960 | /* Auth frames for mesh SAE */ | |
1961 | if (nl80211_register_frame(bss, bss->nl_mgmt, | |
1962 | (WLAN_FC_TYPE_MGMT << 2) | | |
1963 | (WLAN_FC_STYPE_AUTH << 4), | |
1964 | NULL, 0) < 0) | |
1965 | ret = -1; | |
1966 | ||
1967 | /* Mesh peering open */ | |
1968 | if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0) | |
1969 | ret = -1; | |
1970 | /* Mesh peering confirm */ | |
1971 | if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0) | |
1972 | ret = -1; | |
1973 | /* Mesh peering close */ | |
1974 | if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0) | |
1975 | ret = -1; | |
1976 | ||
1977 | nl80211_mgmt_handle_register_eloop(bss); | |
1978 | ||
1979 | return ret; | |
1980 | } | |
1981 | ||
1982 | ||
02bb32c3 JB |
1983 | static int nl80211_register_spurious_class3(struct i802_bss *bss) |
1984 | { | |
1985 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
1986 | struct nl_msg *msg; | |
1987 | int ret = -1; | |
1988 | ||
1989 | msg = nlmsg_alloc(); | |
1990 | if (!msg) | |
1991 | return -1; | |
1992 | ||
1993 | nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME); | |
1994 | ||
1995 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
1996 | ||
481234cf | 1997 | ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL); |
02bb32c3 JB |
1998 | msg = NULL; |
1999 | if (ret) { | |
2000 | wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 " | |
2001 | "failed: ret=%d (%s)", | |
2002 | ret, strerror(-ret)); | |
2003 | goto nla_put_failure; | |
2004 | } | |
2005 | ret = 0; | |
2006 | nla_put_failure: | |
2007 | nlmsg_free(msg); | |
2008 | return ret; | |
2009 | } | |
2010 | ||
2011 | ||
a11241fa JB |
2012 | static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss) |
2013 | { | |
2014 | static const int stypes[] = { | |
2015 | WLAN_FC_STYPE_AUTH, | |
2016 | WLAN_FC_STYPE_ASSOC_REQ, | |
2017 | WLAN_FC_STYPE_REASSOC_REQ, | |
2018 | WLAN_FC_STYPE_DISASSOC, | |
2019 | WLAN_FC_STYPE_DEAUTH, | |
2020 | WLAN_FC_STYPE_ACTION, | |
2021 | WLAN_FC_STYPE_PROBE_REQ, | |
2022 | /* Beacon doesn't work as mac80211 doesn't currently allow | |
2023 | * it, but it wouldn't really be the right thing anyway as | |
2024 | * it isn't per interface ... maybe just dump the scan | |
2025 | * results periodically for OLBC? | |
2026 | */ | |
0e80ea2c | 2027 | /* WLAN_FC_STYPE_BEACON, */ |
a11241fa JB |
2028 | }; |
2029 | unsigned int i; | |
2030 | ||
2031 | if (nl80211_alloc_mgmt_handle(bss)) | |
71269b37 | 2032 | return -1; |
36488c05 JM |
2033 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " |
2034 | "handle %p", bss->nl_mgmt); | |
71269b37 | 2035 | |
e7ecab4a | 2036 | for (i = 0; i < ARRAY_SIZE(stypes); i++) { |
481234cf | 2037 | if (nl80211_register_frame(bss, bss->nl_mgmt, |
a11241fa JB |
2038 | (WLAN_FC_TYPE_MGMT << 2) | |
2039 | (stypes[i] << 4), | |
2040 | NULL, 0) < 0) { | |
2041 | goto out_err; | |
2042 | } | |
2043 | } | |
2044 | ||
02bb32c3 JB |
2045 | if (nl80211_register_spurious_class3(bss)) |
2046 | goto out_err; | |
2047 | ||
e32ad281 JB |
2048 | if (nl80211_get_wiphy_data_ap(bss) == NULL) |
2049 | goto out_err; | |
2050 | ||
5f65e9f7 | 2051 | nl80211_mgmt_handle_register_eloop(bss); |
58f6fbe0 | 2052 | return 0; |
a11241fa JB |
2053 | |
2054 | out_err: | |
a11241fa JB |
2055 | nl_destroy_handles(&bss->nl_mgmt); |
2056 | return -1; | |
2057 | } | |
2058 | ||
2059 | ||
a6cc0602 JM |
2060 | static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss) |
2061 | { | |
2062 | if (nl80211_alloc_mgmt_handle(bss)) | |
2063 | return -1; | |
2064 | wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " | |
2065 | "handle %p (device SME)", bss->nl_mgmt); | |
2066 | ||
2067 | if (nl80211_register_frame(bss, bss->nl_mgmt, | |
2068 | (WLAN_FC_TYPE_MGMT << 2) | | |
2069 | (WLAN_FC_STYPE_ACTION << 4), | |
2070 | NULL, 0) < 0) | |
2071 | goto out_err; | |
2072 | ||
5f65e9f7 | 2073 | nl80211_mgmt_handle_register_eloop(bss); |
a6cc0602 JM |
2074 | return 0; |
2075 | ||
2076 | out_err: | |
a6cc0602 JM |
2077 | nl_destroy_handles(&bss->nl_mgmt); |
2078 | return -1; | |
2079 | } | |
2080 | ||
2081 | ||
36488c05 | 2082 | static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason) |
a11241fa | 2083 | { |
481234cf | 2084 | if (bss->nl_mgmt == NULL) |
a11241fa | 2085 | return; |
36488c05 JM |
2086 | wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p " |
2087 | "(%s)", bss->nl_mgmt, reason); | |
5f65e9f7 | 2088 | nl80211_destroy_eloop_handle(&bss->nl_mgmt); |
e32ad281 JB |
2089 | |
2090 | nl80211_put_wiphy_data_ap(bss); | |
58f6fbe0 JM |
2091 | } |
2092 | ||
2093 | ||
8401a6b0 JM |
2094 | static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx) |
2095 | { | |
2096 | wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL); | |
2097 | } | |
2098 | ||
2099 | ||
eb4582f2 AS |
2100 | static void nl80211_del_p2pdev(struct i802_bss *bss) |
2101 | { | |
2102 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2103 | struct nl_msg *msg; | |
2104 | int ret; | |
2105 | ||
2106 | msg = nlmsg_alloc(); | |
2107 | if (!msg) | |
2108 | return; | |
2109 | ||
2110 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE); | |
2111 | NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id); | |
2112 | ||
2113 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
2114 | msg = NULL; | |
2115 | ||
2116 | wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s", | |
2117 | bss->ifname, (long long unsigned int) bss->wdev_id, | |
6cb4f11d | 2118 | strerror(-ret)); |
eb4582f2 AS |
2119 | |
2120 | nla_put_failure: | |
2121 | nlmsg_free(msg); | |
2122 | } | |
2123 | ||
2124 | ||
eb4582f2 | 2125 | static int nl80211_set_p2pdev(struct i802_bss *bss, int start) |
f632e483 AS |
2126 | { |
2127 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2128 | struct nl_msg *msg; | |
2129 | int ret = -1; | |
2130 | ||
f632e483 AS |
2131 | msg = nlmsg_alloc(); |
2132 | if (!msg) | |
2133 | return -1; | |
2134 | ||
eb4582f2 AS |
2135 | if (start) |
2136 | nl80211_cmd(drv, msg, 0, NL80211_CMD_START_P2P_DEVICE); | |
2137 | else | |
2138 | nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_P2P_DEVICE); | |
2139 | ||
f632e483 AS |
2140 | NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id); |
2141 | ||
2142 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
2143 | msg = NULL; | |
2144 | ||
eb4582f2 AS |
2145 | wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s", |
2146 | start ? "Start" : "Stop", | |
2147 | bss->ifname, (long long unsigned int) bss->wdev_id, | |
6cb4f11d | 2148 | strerror(-ret)); |
eb4582f2 | 2149 | |
f632e483 AS |
2150 | nla_put_failure: |
2151 | nlmsg_free(msg); | |
2152 | return ret; | |
2153 | } | |
f632e483 AS |
2154 | |
2155 | ||
91724d6f AS |
2156 | static int i802_set_iface_flags(struct i802_bss *bss, int up) |
2157 | { | |
2158 | enum nl80211_iftype nlmode; | |
2159 | ||
2160 | nlmode = nl80211_get_ifmode(bss); | |
2161 | if (nlmode != NL80211_IFTYPE_P2P_DEVICE) { | |
2162 | return linux_set_iface_flags(bss->drv->global->ioctl_sock, | |
2163 | bss->ifname, up); | |
2164 | } | |
2165 | ||
2166 | /* P2P Device has start/stop which is equivalent */ | |
2167 | return nl80211_set_p2pdev(bss, up); | |
2168 | } | |
2169 | ||
2170 | ||
362f781e | 2171 | static int |
0d547d5f | 2172 | wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv, |
49b4b205 | 2173 | const u8 *set_addr, int first) |
7524cfb1 | 2174 | { |
834ee56f | 2175 | struct i802_bss *bss = drv->first_bss; |
8401a6b0 | 2176 | int send_rfkill_event = 0; |
0d547d5f | 2177 | enum nl80211_iftype nlmode; |
a2e40bb6 FF |
2178 | |
2179 | drv->ifindex = if_nametoindex(bss->ifname); | |
f632e483 AS |
2180 | bss->ifindex = drv->ifindex; |
2181 | bss->wdev_id = drv->global->if_add_wdevid; | |
2182 | bss->wdev_id_set = drv->global->if_add_wdevid_set; | |
2183 | ||
60b13c20 IP |
2184 | bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex; |
2185 | bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set; | |
f632e483 AS |
2186 | drv->global->if_add_wdevid_set = 0; |
2187 | ||
bf144cf6 AP |
2188 | if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP) |
2189 | bss->static_ap = 1; | |
2190 | ||
f632e483 AS |
2191 | if (wpa_driver_nl80211_capa(drv)) |
2192 | return -1; | |
a87c9d96 | 2193 | |
5fbcb45d AS |
2194 | wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s", |
2195 | bss->ifname, drv->phyname); | |
2196 | ||
0d547d5f JM |
2197 | if (set_addr && |
2198 | (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) || | |
2199 | linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, | |
2200 | set_addr))) | |
2201 | return -1; | |
2202 | ||
49b4b205 JM |
2203 | if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP) |
2204 | drv->start_mode_ap = 1; | |
2205 | ||
bf144cf6 | 2206 | if (drv->hostapd || bss->static_ap) |
0d547d5f JM |
2207 | nlmode = NL80211_IFTYPE_AP; |
2208 | else if (bss->if_dynamic) | |
8e12685c | 2209 | nlmode = nl80211_get_ifmode(bss); |
0d547d5f JM |
2210 | else |
2211 | nlmode = NL80211_IFTYPE_STATION; | |
f632e483 | 2212 | |
8e12685c | 2213 | if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) { |
0d547d5f | 2214 | wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode"); |
8e12685c | 2215 | return -1; |
a87c9d96 JM |
2216 | } |
2217 | ||
8c06db70 | 2218 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) |
597b94f5 | 2219 | nl80211_get_macaddr(bss); |
f632e483 | 2220 | |
8c06db70 MB |
2221 | if (!rfkill_is_blocked(drv->rfkill)) { |
2222 | int ret = i802_set_iface_flags(bss, 1); | |
2223 | if (ret) { | |
8401a6b0 JM |
2224 | wpa_printf(MSG_ERROR, "nl80211: Could not set " |
2225 | "interface '%s' UP", bss->ifname); | |
8c06db70 | 2226 | return ret; |
8401a6b0 | 2227 | } |
8c06db70 MB |
2228 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) |
2229 | return ret; | |
2230 | } else { | |
2231 | wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable " | |
2232 | "interface '%s' due to rfkill", bss->ifname); | |
2233 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
2234 | return 0; | |
2235 | drv->if_disabled = 1; | |
2236 | send_rfkill_event = 1; | |
362f781e | 2237 | } |
3f5285e8 | 2238 | |
0d547d5f JM |
2239 | if (!drv->hostapd) |
2240 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, | |
2241 | 1, IF_OPER_DORMANT); | |
362f781e | 2242 | |
c81eff1a | 2243 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, |
341eebee | 2244 | bss->addr)) |
2136f480 | 2245 | return -1; |
fee354c7 | 2246 | os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN); |
f2ed8023 | 2247 | |
8401a6b0 JM |
2248 | if (send_rfkill_event) { |
2249 | eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill, | |
2250 | drv, drv->ctx); | |
2251 | } | |
2252 | ||
362f781e | 2253 | return 0; |
3f5285e8 JM |
2254 | } |
2255 | ||
2256 | ||
8a27af5c JM |
2257 | static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv) |
2258 | { | |
2259 | struct nl_msg *msg; | |
2260 | ||
2261 | msg = nlmsg_alloc(); | |
2262 | if (!msg) | |
2263 | return -ENOMEM; | |
2264 | ||
08e55ebb JM |
2265 | wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)", |
2266 | drv->ifindex); | |
9fb04070 | 2267 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_BEACON); |
8a27af5c JM |
2268 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
2269 | ||
2270 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
2271 | nla_put_failure: | |
5883168a | 2272 | nlmsg_free(msg); |
8a27af5c JM |
2273 | return -ENOBUFS; |
2274 | } | |
8a27af5c JM |
2275 | |
2276 | ||
3f5285e8 | 2277 | /** |
7e5ba1b9 | 2278 | * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface |
9ebce9c5 | 2279 | * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init() |
3f5285e8 JM |
2280 | * |
2281 | * Shut down driver interface and processing of driver events. Free | |
2282 | * private data buffer if one was allocated in wpa_driver_nl80211_init(). | |
2283 | */ | |
9ebce9c5 | 2284 | static void wpa_driver_nl80211_deinit(struct i802_bss *bss) |
3f5285e8 | 2285 | { |
a2e40bb6 | 2286 | struct wpa_driver_nl80211_data *drv = bss->drv; |
3f5285e8 | 2287 | |
873d0fcf | 2288 | bss->in_deinit = 1; |
32ab4855 JB |
2289 | if (drv->data_tx_status) |
2290 | eloop_unregister_read_sock(drv->eapol_tx_sock); | |
d12dab4c JB |
2291 | if (drv->eapol_tx_sock >= 0) |
2292 | close(drv->eapol_tx_sock); | |
f10bfc9a | 2293 | |
481234cf | 2294 | if (bss->nl_preq) |
5582a5d1 | 2295 | wpa_driver_nl80211_probe_req_report(bss, 0); |
e17a2477 | 2296 | if (bss->added_if_into_bridge) { |
c81eff1a BG |
2297 | if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, |
2298 | bss->ifname) < 0) | |
94627f6c JM |
2299 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " |
2300 | "interface %s from bridge %s: %s", | |
e17a2477 | 2301 | bss->ifname, bss->brname, strerror(errno)); |
97ed9a06 | 2302 | if (drv->rtnl_sk) |
ca3c6b4d | 2303 | nl80211_handle_destroy(drv->rtnl_sk); |
94627f6c | 2304 | } |
e17a2477 | 2305 | if (bss->added_bridge) { |
c81eff1a | 2306 | if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) |
94627f6c JM |
2307 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " |
2308 | "bridge %s: %s", | |
e17a2477 | 2309 | bss->brname, strerror(errno)); |
94627f6c JM |
2310 | } |
2311 | ||
460456f8 | 2312 | nl80211_remove_monitor_interface(drv); |
8a27af5c | 2313 | |
b1f625e0 | 2314 | if (is_ap_interface(drv->nlmode)) |
8a27af5c | 2315 | wpa_driver_nl80211_del_beacon(drv); |
0915d02c | 2316 | |
bbaf0837 JM |
2317 | if (drv->eapol_sock >= 0) { |
2318 | eloop_unregister_read_sock(drv->eapol_sock); | |
2319 | close(drv->eapol_sock); | |
2320 | } | |
2321 | ||
2322 | if (drv->if_indices != drv->default_if_indices) | |
2323 | os_free(drv->if_indices); | |
3f5285e8 | 2324 | |
b3af99d2 | 2325 | if (drv->disabled_11b_rates) |
4e5cb1a3 JM |
2326 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); |
2327 | ||
36d84860 BG |
2328 | netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0, |
2329 | IF_OPER_UP); | |
e390df05 | 2330 | eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx); |
8401a6b0 | 2331 | rfkill_deinit(drv->rfkill); |
3f5285e8 | 2332 | |
bbaf0837 JM |
2333 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); |
2334 | ||
146fa9b3 JM |
2335 | if (!drv->start_iface_up) |
2336 | (void) i802_set_iface_flags(bss, 0); | |
fee354c7 JM |
2337 | |
2338 | if (drv->addr_changed) { | |
93da0498 JM |
2339 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, |
2340 | 0) < 0) { | |
2341 | wpa_printf(MSG_DEBUG, | |
2342 | "nl80211: Could not set interface down to restore permanent MAC address"); | |
2343 | } | |
fee354c7 JM |
2344 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, |
2345 | drv->perm_addr) < 0) { | |
2346 | wpa_printf(MSG_DEBUG, | |
2347 | "nl80211: Could not restore permanent MAC address"); | |
2348 | } | |
2349 | } | |
2350 | ||
8e12685c | 2351 | if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) { |
49b4b205 JM |
2352 | if (!drv->hostapd || !drv->start_mode_ap) |
2353 | wpa_driver_nl80211_set_mode(bss, | |
2354 | NL80211_IFTYPE_STATION); | |
b378c41f | 2355 | nl80211_mgmt_unsubscribe(bss, "deinit"); |
8e12685c AS |
2356 | } else { |
2357 | nl80211_mgmt_unsubscribe(bss, "deinit"); | |
eb4582f2 | 2358 | nl80211_del_p2pdev(bss); |
8e12685c | 2359 | } |
1afc986d | 2360 | nl_cb_put(drv->nl_cb); |
3f5285e8 | 2361 | |
834ee56f | 2362 | nl80211_destroy_bss(drv->first_bss); |
cc7a48d1 | 2363 | |
3812464c JM |
2364 | os_free(drv->filter_ssids); |
2365 | ||
536fd62d JM |
2366 | os_free(drv->auth_ie); |
2367 | ||
dac12351 | 2368 | if (drv->in_interface_list) |
f2ed8023 JM |
2369 | dl_list_del(&drv->list); |
2370 | ||
8cd6b7bc JB |
2371 | os_free(drv->extended_capa); |
2372 | os_free(drv->extended_capa_mask); | |
834ee56f | 2373 | os_free(drv->first_bss); |
3f5285e8 JM |
2374 | os_free(drv); |
2375 | } | |
2376 | ||
2377 | ||
2378 | /** | |
2379 | * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion | |
ad1e68e6 | 2380 | * @eloop_ctx: Driver private data |
3f5285e8 JM |
2381 | * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init() |
2382 | * | |
2383 | * This function can be used as registered timeout when starting a scan to | |
2384 | * generate a scan completed event if the driver does not report this. | |
2385 | */ | |
f3407c66 | 2386 | void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx) |
3f5285e8 | 2387 | { |
ad1e68e6 | 2388 | struct wpa_driver_nl80211_data *drv = eloop_ctx; |
b1f625e0 | 2389 | if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) { |
834ee56f | 2390 | wpa_driver_nl80211_set_mode(drv->first_bss, |
b1f625e0 EP |
2391 | drv->ap_scan_as_station); |
2392 | drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; | |
ad1e68e6 | 2393 | } |
3f5285e8 JM |
2394 | wpa_printf(MSG_DEBUG, "Scan timeout - try to get results"); |
2395 | wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL); | |
2396 | } | |
2397 | ||
2398 | ||
95ac3bf4 JM |
2399 | static struct nl_msg * |
2400 | nl80211_scan_common(struct wpa_driver_nl80211_data *drv, u8 cmd, | |
d3aaef80 | 2401 | struct wpa_driver_scan_params *params, u64 *wdev_id) |
3f5285e8 | 2402 | { |
95ac3bf4 | 2403 | struct nl_msg *msg; |
6a1063e0 | 2404 | size_t i; |
57a8f8af | 2405 | u32 scan_flags = 0; |
3f5285e8 | 2406 | |
0e75527f | 2407 | msg = nlmsg_alloc(); |
f0494d0f | 2408 | if (!msg) |
95ac3bf4 | 2409 | return NULL; |
3812464c | 2410 | |
95ac3bf4 | 2411 | nl80211_cmd(drv, msg, 0, cmd); |
0e75527f | 2412 | |
d3aaef80 DS |
2413 | if (!wdev_id) |
2414 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
2415 | else | |
2416 | NLA_PUT_U64(msg, NL80211_ATTR_WDEV, *wdev_id); | |
3f5285e8 | 2417 | |
f0494d0f | 2418 | if (params->num_ssids) { |
8970bae8 JB |
2419 | struct nlattr *ssids; |
2420 | ||
2421 | ssids = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
f0494d0f | 2422 | if (ssids == NULL) |
95ac3bf4 | 2423 | goto fail; |
f0494d0f JM |
2424 | for (i = 0; i < params->num_ssids; i++) { |
2425 | wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID", | |
2426 | params->ssids[i].ssid, | |
2427 | params->ssids[i].ssid_len); | |
8970bae8 JB |
2428 | if (nla_put(msg, i + 1, params->ssids[i].ssid_len, |
2429 | params->ssids[i].ssid) < 0) | |
95ac3bf4 | 2430 | goto fail; |
f0494d0f | 2431 | } |
8970bae8 | 2432 | nla_nest_end(msg, ssids); |
3f5285e8 JM |
2433 | } |
2434 | ||
d173df52 | 2435 | if (params->extra_ies) { |
3b1c7bfd JM |
2436 | wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs", |
2437 | params->extra_ies, params->extra_ies_len); | |
95ac3bf4 JM |
2438 | if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len, |
2439 | params->extra_ies) < 0) | |
2440 | goto fail; | |
d173df52 JM |
2441 | } |
2442 | ||
d3a98225 | 2443 | if (params->freqs) { |
8970bae8 JB |
2444 | struct nlattr *freqs; |
2445 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
f0494d0f | 2446 | if (freqs == NULL) |
95ac3bf4 | 2447 | goto fail; |
9fad706c JM |
2448 | for (i = 0; params->freqs[i]; i++) { |
2449 | wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u " | |
2450 | "MHz", params->freqs[i]); | |
8970bae8 | 2451 | if (nla_put_u32(msg, i + 1, params->freqs[i]) < 0) |
95ac3bf4 | 2452 | goto fail; |
9fad706c | 2453 | } |
8970bae8 | 2454 | nla_nest_end(msg, freqs); |
d3a98225 JM |
2455 | } |
2456 | ||
95ac3bf4 JM |
2457 | os_free(drv->filter_ssids); |
2458 | drv->filter_ssids = params->filter_ssids; | |
2459 | params->filter_ssids = NULL; | |
2460 | drv->num_filter_ssids = params->num_filter_ssids; | |
2461 | ||
949938aa JM |
2462 | if (params->only_new_results) { |
2463 | wpa_printf(MSG_DEBUG, "nl80211: Add NL80211_SCAN_FLAG_FLUSH"); | |
57a8f8af | 2464 | scan_flags |= NL80211_SCAN_FLAG_FLUSH; |
949938aa JM |
2465 | } |
2466 | ||
57a8f8af JB |
2467 | if (params->low_priority && drv->have_low_prio_scan) { |
2468 | wpa_printf(MSG_DEBUG, | |
2469 | "nl80211: Add NL80211_SCAN_FLAG_LOW_PRIORITY"); | |
2470 | scan_flags |= NL80211_SCAN_FLAG_LOW_PRIORITY; | |
2471 | } | |
2472 | ||
2473 | if (scan_flags) | |
2474 | NLA_PUT_U32(msg, NL80211_ATTR_SCAN_FLAGS, scan_flags); | |
2475 | ||
95ac3bf4 JM |
2476 | return msg; |
2477 | ||
2478 | fail: | |
d3aaef80 | 2479 | nla_put_failure: |
95ac3bf4 JM |
2480 | nlmsg_free(msg); |
2481 | return NULL; | |
2482 | } | |
2483 | ||
2484 | ||
2485 | /** | |
2486 | * wpa_driver_nl80211_scan - Request the driver to initiate scan | |
9ebce9c5 | 2487 | * @bss: Pointer to private driver data from wpa_driver_nl80211_init() |
95ac3bf4 JM |
2488 | * @params: Scan parameters |
2489 | * Returns: 0 on success, -1 on failure | |
2490 | */ | |
9ebce9c5 | 2491 | static int wpa_driver_nl80211_scan(struct i802_bss *bss, |
95ac3bf4 JM |
2492 | struct wpa_driver_scan_params *params) |
2493 | { | |
95ac3bf4 JM |
2494 | struct wpa_driver_nl80211_data *drv = bss->drv; |
2495 | int ret = -1, timeout; | |
8970bae8 | 2496 | struct nl_msg *msg = NULL; |
95ac3bf4 | 2497 | |
565110cd | 2498 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: scan request"); |
95ac3bf4 JM |
2499 | drv->scan_for_auth = 0; |
2500 | ||
d3aaef80 DS |
2501 | msg = nl80211_scan_common(drv, NL80211_CMD_TRIGGER_SCAN, params, |
2502 | bss->wdev_id_set ? &bss->wdev_id : NULL); | |
95ac3bf4 JM |
2503 | if (!msg) |
2504 | return -1; | |
2505 | ||
47185fc7 | 2506 | if (params->p2p_probe) { |
8970bae8 JB |
2507 | struct nlattr *rates; |
2508 | ||
8a6a1e1b JM |
2509 | wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates"); |
2510 | ||
8970bae8 | 2511 | rates = nla_nest_start(msg, NL80211_ATTR_SCAN_SUPP_RATES); |
f0494d0f JM |
2512 | if (rates == NULL) |
2513 | goto nla_put_failure; | |
2514 | ||
47185fc7 RM |
2515 | /* |
2516 | * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates | |
2517 | * by masking out everything else apart from the OFDM rates 6, | |
2518 | * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz | |
2519 | * rates are left enabled. | |
2520 | */ | |
8970bae8 | 2521 | NLA_PUT(msg, NL80211_BAND_2GHZ, 8, |
47185fc7 | 2522 | "\x0c\x12\x18\x24\x30\x48\x60\x6c"); |
8970bae8 | 2523 | nla_nest_end(msg, rates); |
970fa12e RM |
2524 | |
2525 | NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE); | |
47185fc7 RM |
2526 | } |
2527 | ||
0e75527f JM |
2528 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
2529 | msg = NULL; | |
2530 | if (ret) { | |
2531 | wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d " | |
2532 | "(%s)", ret, strerror(-ret)); | |
04eff7d5 | 2533 | if (drv->hostapd && is_ap_interface(drv->nlmode)) { |
72e7fb3f YP |
2534 | enum nl80211_iftype old_mode = drv->nlmode; |
2535 | ||
ad1e68e6 JM |
2536 | /* |
2537 | * mac80211 does not allow scan requests in AP mode, so | |
2538 | * try to do this in station mode. | |
2539 | */ | |
b1f625e0 EP |
2540 | if (wpa_driver_nl80211_set_mode( |
2541 | bss, NL80211_IFTYPE_STATION)) | |
ad1e68e6 JM |
2542 | goto nla_put_failure; |
2543 | ||
085b29f1 | 2544 | if (wpa_driver_nl80211_scan(bss, params)) { |
b1f625e0 | 2545 | wpa_driver_nl80211_set_mode(bss, drv->nlmode); |
ad1e68e6 JM |
2546 | goto nla_put_failure; |
2547 | } | |
2548 | ||
2549 | /* Restore AP mode when processing scan results */ | |
72e7fb3f | 2550 | drv->ap_scan_as_station = old_mode; |
ad1e68e6 JM |
2551 | ret = 0; |
2552 | } else | |
2553 | goto nla_put_failure; | |
3f5285e8 JM |
2554 | } |
2555 | ||
a771c07d | 2556 | drv->scan_state = SCAN_REQUESTED; |
3f5285e8 JM |
2557 | /* Not all drivers generate "scan completed" wireless event, so try to |
2558 | * read results after a timeout. */ | |
0e75527f | 2559 | timeout = 10; |
3f5285e8 JM |
2560 | if (drv->scan_complete_events) { |
2561 | /* | |
d173df52 JM |
2562 | * The driver seems to deliver events to notify when scan is |
2563 | * complete, so use longer timeout to avoid race conditions | |
2564 | * with scanning and following association request. | |
3f5285e8 JM |
2565 | */ |
2566 | timeout = 30; | |
2567 | } | |
2568 | wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d " | |
2569 | "seconds", ret, timeout); | |
2570 | eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); | |
0e75527f JM |
2571 | eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout, |
2572 | drv, drv->ctx); | |
3f5285e8 | 2573 | |
0e75527f | 2574 | nla_put_failure: |
0e75527f | 2575 | nlmsg_free(msg); |
3f5285e8 JM |
2576 | return ret; |
2577 | } | |
2578 | ||
2579 | ||
d21c63b9 LC |
2580 | /** |
2581 | * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan | |
2582 | * @priv: Pointer to private driver data from wpa_driver_nl80211_init() | |
2583 | * @params: Scan parameters | |
2584 | * @interval: Interval between scan cycles in milliseconds | |
2585 | * Returns: 0 on success, -1 on failure or if not supported | |
2586 | */ | |
2587 | static int wpa_driver_nl80211_sched_scan(void *priv, | |
2588 | struct wpa_driver_scan_params *params, | |
2589 | u32 interval) | |
2590 | { | |
2591 | struct i802_bss *bss = priv; | |
2592 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6afbc3d6 | 2593 | int ret = -1; |
95ac3bf4 | 2594 | struct nl_msg *msg; |
d21c63b9 LC |
2595 | size_t i; |
2596 | ||
565110cd JM |
2597 | wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: sched_scan request"); |
2598 | ||
216eede8 DS |
2599 | #ifdef ANDROID |
2600 | if (!drv->capa.sched_scan_supported) | |
2601 | return android_pno_start(bss, params); | |
2602 | #endif /* ANDROID */ | |
2603 | ||
d3aaef80 DS |
2604 | msg = nl80211_scan_common(drv, NL80211_CMD_START_SCHED_SCAN, params, |
2605 | bss->wdev_id_set ? &bss->wdev_id : NULL); | |
6afbc3d6 JM |
2606 | if (!msg) |
2607 | goto nla_put_failure; | |
d21c63b9 | 2608 | |
d21c63b9 LC |
2609 | NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval); |
2610 | ||
bf8d6d24 TP |
2611 | if ((drv->num_filter_ssids && |
2612 | (int) drv->num_filter_ssids <= drv->capa.max_match_sets) || | |
2613 | params->filter_rssi) { | |
8970bae8 JB |
2614 | struct nlattr *match_sets; |
2615 | match_sets = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
6afbc3d6 JM |
2616 | if (match_sets == NULL) |
2617 | goto nla_put_failure; | |
bd525934 LC |
2618 | |
2619 | for (i = 0; i < drv->num_filter_ssids; i++) { | |
8970bae8 | 2620 | struct nlattr *match_set_ssid; |
bd525934 LC |
2621 | wpa_hexdump_ascii(MSG_MSGDUMP, |
2622 | "nl80211: Sched scan filter SSID", | |
2623 | drv->filter_ssids[i].ssid, | |
2624 | drv->filter_ssids[i].ssid_len); | |
2625 | ||
8970bae8 | 2626 | match_set_ssid = nla_nest_start(msg, i + 1); |
6afbc3d6 JM |
2627 | if (match_set_ssid == NULL) |
2628 | goto nla_put_failure; | |
8970bae8 | 2629 | NLA_PUT(msg, NL80211_ATTR_SCHED_SCAN_MATCH_SSID, |
bd525934 LC |
2630 | drv->filter_ssids[i].ssid_len, |
2631 | drv->filter_ssids[i].ssid); | |
ff5e1d14 JB |
2632 | if (params->filter_rssi) |
2633 | NLA_PUT_U32(msg, | |
2634 | NL80211_SCHED_SCAN_MATCH_ATTR_RSSI, | |
2635 | params->filter_rssi); | |
bd525934 | 2636 | |
adc96dc2 | 2637 | nla_nest_end(msg, match_set_ssid); |
bd525934 LC |
2638 | } |
2639 | ||
ff5e1d14 JB |
2640 | /* |
2641 | * Due to backward compatibility code, newer kernels treat this | |
2642 | * matchset (with only an RSSI filter) as the default for all | |
2643 | * other matchsets, unless it's the only one, in which case the | |
2644 | * matchset will actually allow all SSIDs above the RSSI. | |
2645 | */ | |
bf8d6d24 | 2646 | if (params->filter_rssi) { |
8970bae8 JB |
2647 | struct nlattr *match_set_rssi; |
2648 | match_set_rssi = nla_nest_start(msg, 0); | |
6afbc3d6 JM |
2649 | if (match_set_rssi == NULL) |
2650 | goto nla_put_failure; | |
8970bae8 | 2651 | NLA_PUT_U32(msg, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI, |
bf8d6d24 TP |
2652 | params->filter_rssi); |
2653 | wpa_printf(MSG_MSGDUMP, | |
2654 | "nl80211: Sched scan RSSI filter %d dBm", | |
2655 | params->filter_rssi); | |
8970bae8 | 2656 | nla_nest_end(msg, match_set_rssi); |
bf8d6d24 TP |
2657 | } |
2658 | ||
8970bae8 | 2659 | nla_nest_end(msg, match_sets); |
bd525934 LC |
2660 | } |
2661 | ||
d21c63b9 LC |
2662 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
2663 | ||
2664 | /* TODO: if we get an error here, we should fall back to normal scan */ | |
2665 | ||
2666 | msg = NULL; | |
2667 | if (ret) { | |
2668 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: " | |
2669 | "ret=%d (%s)", ret, strerror(-ret)); | |
2670 | goto nla_put_failure; | |
2671 | } | |
2672 | ||
2673 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d) - " | |
2674 | "scan interval %d msec", ret, interval); | |
2675 | ||
2676 | nla_put_failure: | |
d21c63b9 | 2677 | nlmsg_free(msg); |
d21c63b9 LC |
2678 | return ret; |
2679 | } | |
2680 | ||
2681 | ||
2682 | /** | |
2683 | * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan | |
2684 | * @priv: Pointer to private driver data from wpa_driver_nl80211_init() | |
2685 | * Returns: 0 on success, -1 on failure or if not supported | |
2686 | */ | |
2687 | static int wpa_driver_nl80211_stop_sched_scan(void *priv) | |
2688 | { | |
2689 | struct i802_bss *bss = priv; | |
2690 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2691 | int ret = 0; | |
2692 | struct nl_msg *msg; | |
2693 | ||
216eede8 DS |
2694 | #ifdef ANDROID |
2695 | if (!drv->capa.sched_scan_supported) | |
2696 | return android_pno_stop(bss); | |
2697 | #endif /* ANDROID */ | |
2698 | ||
d21c63b9 LC |
2699 | msg = nlmsg_alloc(); |
2700 | if (!msg) | |
2701 | return -1; | |
2702 | ||
9fb04070 | 2703 | nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_SCHED_SCAN); |
d21c63b9 LC |
2704 | |
2705 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
2706 | ||
2707 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
2708 | msg = NULL; | |
2709 | if (ret) { | |
2710 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop failed: " | |
2711 | "ret=%d (%s)", ret, strerror(-ret)); | |
2712 | goto nla_put_failure; | |
2713 | } | |
2714 | ||
2715 | wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop sent (ret=%d)", ret); | |
2716 | ||
2717 | nla_put_failure: | |
2718 | nlmsg_free(msg); | |
2719 | return ret; | |
2720 | } | |
2721 | ||
2722 | ||
3812464c JM |
2723 | static const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie) |
2724 | { | |
2725 | const u8 *end, *pos; | |
2726 | ||
2727 | if (ies == NULL) | |
2728 | return NULL; | |
2729 | ||
2730 | pos = ies; | |
2731 | end = ies + ies_len; | |
2732 | ||
2733 | while (pos + 1 < end) { | |
2734 | if (pos + 2 + pos[1] > end) | |
2735 | break; | |
2736 | if (pos[0] == ie) | |
2737 | return pos; | |
2738 | pos += 2 + pos[1]; | |
2739 | } | |
2740 | ||
2741 | return NULL; | |
2742 | } | |
2743 | ||
2744 | ||
2745 | static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv, | |
2746 | const u8 *ie, size_t ie_len) | |
2747 | { | |
2748 | const u8 *ssid; | |
2749 | size_t i; | |
2750 | ||
2751 | if (drv->filter_ssids == NULL) | |
2752 | return 0; | |
2753 | ||
2754 | ssid = nl80211_get_ie(ie, ie_len, WLAN_EID_SSID); | |
2755 | if (ssid == NULL) | |
2756 | return 1; | |
2757 | ||
2758 | for (i = 0; i < drv->num_filter_ssids; i++) { | |
2759 | if (ssid[1] == drv->filter_ssids[i].ssid_len && | |
2760 | os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) == | |
2761 | 0) | |
2762 | return 0; | |
2763 | } | |
2764 | ||
2765 | return 1; | |
2766 | } | |
2767 | ||
2768 | ||
b3db1e1c | 2769 | static int bss_info_handler(struct nl_msg *msg, void *arg) |
3f5285e8 | 2770 | { |
b3db1e1c JM |
2771 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; |
2772 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
2773 | struct nlattr *bss[NL80211_BSS_MAX + 1]; | |
2774 | static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = { | |
2775 | [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC }, | |
2776 | [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 }, | |
2777 | [NL80211_BSS_TSF] = { .type = NLA_U64 }, | |
2778 | [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 }, | |
2779 | [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 }, | |
2780 | [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC }, | |
2781 | [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 }, | |
2782 | [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 }, | |
e6b8efeb | 2783 | [NL80211_BSS_STATUS] = { .type = NLA_U32 }, |
b3ad11bb | 2784 | [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 }, |
8c090654 | 2785 | [NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC }, |
b3db1e1c | 2786 | }; |
3812464c JM |
2787 | struct nl80211_bss_info_arg *_arg = arg; |
2788 | struct wpa_scan_results *res = _arg->res; | |
3f5285e8 JM |
2789 | struct wpa_scan_res **tmp; |
2790 | struct wpa_scan_res *r; | |
8c090654 JM |
2791 | const u8 *ie, *beacon_ie; |
2792 | size_t ie_len, beacon_ie_len; | |
2793 | u8 *pos; | |
46957a9b | 2794 | size_t i; |
3f5285e8 | 2795 | |
b3db1e1c JM |
2796 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), |
2797 | genlmsg_attrlen(gnlh, 0), NULL); | |
2798 | if (!tb[NL80211_ATTR_BSS]) | |
2799 | return NL_SKIP; | |
2800 | if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS], | |
2801 | bss_policy)) | |
2802 | return NL_SKIP; | |
f5a8d422 JM |
2803 | if (bss[NL80211_BSS_STATUS]) { |
2804 | enum nl80211_bss_status status; | |
2805 | status = nla_get_u32(bss[NL80211_BSS_STATUS]); | |
2806 | if (status == NL80211_BSS_STATUS_ASSOCIATED && | |
2807 | bss[NL80211_BSS_FREQUENCY]) { | |
2808 | _arg->assoc_freq = | |
2809 | nla_get_u32(bss[NL80211_BSS_FREQUENCY]); | |
2810 | wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz", | |
2811 | _arg->assoc_freq); | |
2812 | } | |
c7caac56 JM |
2813 | if (status == NL80211_BSS_STATUS_IBSS_JOINED && |
2814 | bss[NL80211_BSS_FREQUENCY]) { | |
2815 | _arg->ibss_freq = | |
2816 | nla_get_u32(bss[NL80211_BSS_FREQUENCY]); | |
2817 | wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz", | |
2818 | _arg->ibss_freq); | |
2819 | } | |
20f5a4c2 JM |
2820 | if (status == NL80211_BSS_STATUS_ASSOCIATED && |
2821 | bss[NL80211_BSS_BSSID]) { | |
2822 | os_memcpy(_arg->assoc_bssid, | |
2823 | nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN); | |
2824 | wpa_printf(MSG_DEBUG, "nl80211: Associated with " | |
2825 | MACSTR, MAC2STR(_arg->assoc_bssid)); | |
2826 | } | |
f5a8d422 JM |
2827 | } |
2828 | if (!res) | |
2829 | return NL_SKIP; | |
b3db1e1c JM |
2830 | if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) { |
2831 | ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]); | |
2832 | ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]); | |
2833 | } else { | |
2834 | ie = NULL; | |
2835 | ie_len = 0; | |
2836 | } | |
8c090654 JM |
2837 | if (bss[NL80211_BSS_BEACON_IES]) { |
2838 | beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]); | |
2839 | beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]); | |
2840 | } else { | |
2841 | beacon_ie = NULL; | |
2842 | beacon_ie_len = 0; | |
2843 | } | |
3f5285e8 | 2844 | |
3812464c JM |
2845 | if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie, |
2846 | ie ? ie_len : beacon_ie_len)) | |
2847 | return NL_SKIP; | |
2848 | ||
8c090654 | 2849 | r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len); |
3f5285e8 | 2850 | if (r == NULL) |
b3db1e1c JM |
2851 | return NL_SKIP; |
2852 | if (bss[NL80211_BSS_BSSID]) | |
2853 | os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]), | |
2854 | ETH_ALEN); | |
2855 | if (bss[NL80211_BSS_FREQUENCY]) | |
2856 | r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]); | |
2857 | if (bss[NL80211_BSS_BEACON_INTERVAL]) | |
2858 | r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]); | |
2859 | if (bss[NL80211_BSS_CAPABILITY]) | |
2860 | r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]); | |
7c2849d2 JM |
2861 | r->flags |= WPA_SCAN_NOISE_INVALID; |
2862 | if (bss[NL80211_BSS_SIGNAL_MBM]) { | |
b3db1e1c | 2863 | r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]); |
7c2849d2 JM |
2864 | r->level /= 100; /* mBm to dBm */ |
2865 | r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID; | |
2866 | } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) { | |
2867 | r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]); | |
98ac6763 | 2868 | r->flags |= WPA_SCAN_QUAL_INVALID; |
7c2849d2 JM |
2869 | } else |
2870 | r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID; | |
b3db1e1c JM |
2871 | if (bss[NL80211_BSS_TSF]) |
2872 | r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]); | |
b3ad11bb JM |
2873 | if (bss[NL80211_BSS_SEEN_MS_AGO]) |
2874 | r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]); | |
b3db1e1c | 2875 | r->ie_len = ie_len; |
8c090654 JM |
2876 | pos = (u8 *) (r + 1); |
2877 | if (ie) { | |
2878 | os_memcpy(pos, ie, ie_len); | |
2879 | pos += ie_len; | |
2880 | } | |
2881 | r->beacon_ie_len = beacon_ie_len; | |
2882 | if (beacon_ie) | |
2883 | os_memcpy(pos, beacon_ie, beacon_ie_len); | |
3f5285e8 | 2884 | |
e6b8efeb JM |
2885 | if (bss[NL80211_BSS_STATUS]) { |
2886 | enum nl80211_bss_status status; | |
2887 | status = nla_get_u32(bss[NL80211_BSS_STATUS]); | |
2888 | switch (status) { | |
2889 | case NL80211_BSS_STATUS_AUTHENTICATED: | |
2890 | r->flags |= WPA_SCAN_AUTHENTICATED; | |
2891 | break; | |
2892 | case NL80211_BSS_STATUS_ASSOCIATED: | |
2893 | r->flags |= WPA_SCAN_ASSOCIATED; | |
2894 | break; | |
2895 | default: | |
2896 | break; | |
2897 | } | |
2898 | } | |
2899 | ||
46957a9b JM |
2900 | /* |
2901 | * cfg80211 maintains separate BSS table entries for APs if the same | |
2902 | * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does | |
2903 | * not use frequency as a separate key in the BSS table, so filter out | |
2904 | * duplicated entries. Prefer associated BSS entry in such a case in | |
4ea6a471 JM |
2905 | * order to get the correct frequency into the BSS table. Similarly, |
2906 | * prefer newer entries over older. | |
46957a9b JM |
2907 | */ |
2908 | for (i = 0; i < res->num; i++) { | |
2909 | const u8 *s1, *s2; | |
2910 | if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0) | |
2911 | continue; | |
2912 | ||
2913 | s1 = nl80211_get_ie((u8 *) (res->res[i] + 1), | |
2914 | res->res[i]->ie_len, WLAN_EID_SSID); | |
2915 | s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID); | |
2916 | if (s1 == NULL || s2 == NULL || s1[1] != s2[1] || | |
2917 | os_memcmp(s1, s2, 2 + s1[1]) != 0) | |
2918 | continue; | |
2919 | ||
2920 | /* Same BSSID,SSID was already included in scan results */ | |
2921 | wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result " | |
2922 | "for " MACSTR, MAC2STR(r->bssid)); | |
2923 | ||
4ea6a471 JM |
2924 | if (((r->flags & WPA_SCAN_ASSOCIATED) && |
2925 | !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) || | |
2926 | r->age < res->res[i]->age) { | |
46957a9b JM |
2927 | os_free(res->res[i]); |
2928 | res->res[i] = r; | |
2929 | } else | |
2930 | os_free(r); | |
2931 | return NL_SKIP; | |
2932 | } | |
2933 | ||
067ffa26 JM |
2934 | tmp = os_realloc_array(res->res, res->num + 1, |
2935 | sizeof(struct wpa_scan_res *)); | |
3f5285e8 JM |
2936 | if (tmp == NULL) { |
2937 | os_free(r); | |
b3db1e1c | 2938 | return NL_SKIP; |
3f5285e8 JM |
2939 | } |
2940 | tmp[res->num++] = r; | |
2941 | res->res = tmp; | |
b3db1e1c JM |
2942 | |
2943 | return NL_SKIP; | |
3f5285e8 | 2944 | } |
b3db1e1c | 2945 | |
3f5285e8 | 2946 | |
d72aad94 JM |
2947 | static void clear_state_mismatch(struct wpa_driver_nl80211_data *drv, |
2948 | const u8 *addr) | |
2949 | { | |
2950 | if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { | |
2951 | wpa_printf(MSG_DEBUG, "nl80211: Clear possible state " | |
582507be | 2952 | "mismatch (" MACSTR ")", MAC2STR(addr)); |
d72aad94 JM |
2953 | wpa_driver_nl80211_mlme(drv, addr, |
2954 | NL80211_CMD_DEAUTHENTICATE, | |
77339912 | 2955 | WLAN_REASON_PREV_AUTH_NOT_VALID, 1); |
d72aad94 JM |
2956 | } |
2957 | } | |
2958 | ||
2959 | ||
e6b8efeb JM |
2960 | static void wpa_driver_nl80211_check_bss_status( |
2961 | struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res) | |
2962 | { | |
2963 | size_t i; | |
2964 | ||
2965 | for (i = 0; i < res->num; i++) { | |
2966 | struct wpa_scan_res *r = res->res[i]; | |
2967 | if (r->flags & WPA_SCAN_AUTHENTICATED) { | |
2968 | wpa_printf(MSG_DEBUG, "nl80211: Scan results " | |
2969 | "indicates BSS status with " MACSTR | |
2970 | " as authenticated", | |
2971 | MAC2STR(r->bssid)); | |
b1f625e0 | 2972 | if (is_sta_interface(drv->nlmode) && |
e6b8efeb JM |
2973 | os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 && |
2974 | os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) != | |
2975 | 0) { | |
2976 | wpa_printf(MSG_DEBUG, "nl80211: Unknown BSSID" | |
2977 | " in local state (auth=" MACSTR | |
2978 | " assoc=" MACSTR ")", | |
2979 | MAC2STR(drv->auth_bssid), | |
2980 | MAC2STR(drv->bssid)); | |
582507be | 2981 | clear_state_mismatch(drv, r->bssid); |
e6b8efeb JM |
2982 | } |
2983 | } | |
2984 | ||
2985 | if (r->flags & WPA_SCAN_ASSOCIATED) { | |
2986 | wpa_printf(MSG_DEBUG, "nl80211: Scan results " | |
2987 | "indicate BSS status with " MACSTR | |
2988 | " as associated", | |
2989 | MAC2STR(r->bssid)); | |
b1f625e0 | 2990 | if (is_sta_interface(drv->nlmode) && |
e6b8efeb JM |
2991 | !drv->associated) { |
2992 | wpa_printf(MSG_DEBUG, "nl80211: Local state " | |
2993 | "(not associated) does not match " | |
2994 | "with BSS state"); | |
d72aad94 | 2995 | clear_state_mismatch(drv, r->bssid); |
b1f625e0 | 2996 | } else if (is_sta_interface(drv->nlmode) && |
e6b8efeb JM |
2997 | os_memcmp(drv->bssid, r->bssid, ETH_ALEN) != |
2998 | 0) { | |
2999 | wpa_printf(MSG_DEBUG, "nl80211: Local state " | |
3000 | "(associated with " MACSTR ") does " | |
3001 | "not match with BSS state", | |
d72aad94 JM |
3002 | MAC2STR(drv->bssid)); |
3003 | clear_state_mismatch(drv, r->bssid); | |
3004 | clear_state_mismatch(drv, drv->bssid); | |
e6b8efeb JM |
3005 | } |
3006 | } | |
3007 | } | |
3008 | } | |
3009 | ||
3010 | ||
7e5ba1b9 | 3011 | static struct wpa_scan_results * |
8856462d | 3012 | nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv) |
3f5285e8 | 3013 | { |
b3db1e1c | 3014 | struct nl_msg *msg; |
3f5285e8 | 3015 | struct wpa_scan_results *res; |
b3db1e1c | 3016 | int ret; |
3812464c | 3017 | struct nl80211_bss_info_arg arg; |
3f5285e8 JM |
3018 | |
3019 | res = os_zalloc(sizeof(*res)); | |
b3db1e1c | 3020 | if (res == NULL) |
8e2c104f | 3021 | return NULL; |
b3db1e1c JM |
3022 | msg = nlmsg_alloc(); |
3023 | if (!msg) | |
3024 | goto nla_put_failure; | |
3f5285e8 | 3025 | |
9fb04070 | 3026 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN); |
834ee56f | 3027 | if (nl80211_set_iface_id(msg, drv->first_bss) < 0) |
fdc554b8 | 3028 | goto nla_put_failure; |
3f5285e8 | 3029 | |
3812464c JM |
3030 | arg.drv = drv; |
3031 | arg.res = res; | |
3032 | ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg); | |
b3db1e1c JM |
3033 | msg = NULL; |
3034 | if (ret == 0) { | |
577db0ae GM |
3035 | wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu " |
3036 | "BSSes)", (unsigned long) res->num); | |
3037 | nl80211_get_noise_for_scan_results(drv, res); | |
b3db1e1c | 3038 | return res; |
3f5285e8 | 3039 | } |
b3db1e1c JM |
3040 | wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " |
3041 | "(%s)", ret, strerror(-ret)); | |
3042 | nla_put_failure: | |
3043 | nlmsg_free(msg); | |
3044 | wpa_scan_results_free(res); | |
3045 | return NULL; | |
3f5285e8 JM |
3046 | } |
3047 | ||
3048 | ||
8856462d JM |
3049 | /** |
3050 | * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results | |
3051 | * @priv: Pointer to private wext data from wpa_driver_nl80211_init() | |
3052 | * Returns: Scan results on success, -1 on failure | |
3053 | */ | |
3054 | static struct wpa_scan_results * | |
3055 | wpa_driver_nl80211_get_scan_results(void *priv) | |
3056 | { | |
a2e40bb6 FF |
3057 | struct i802_bss *bss = priv; |
3058 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8856462d JM |
3059 | struct wpa_scan_results *res; |
3060 | ||
3061 | res = nl80211_get_scan_results(drv); | |
3062 | if (res) | |
3063 | wpa_driver_nl80211_check_bss_status(drv, res); | |
3064 | return res; | |
3065 | } | |
3066 | ||
3067 | ||
3068 | static void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv) | |
3069 | { | |
3070 | struct wpa_scan_results *res; | |
3071 | size_t i; | |
3072 | ||
3073 | res = nl80211_get_scan_results(drv); | |
3074 | if (res == NULL) { | |
3075 | wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results"); | |
3076 | return; | |
3077 | } | |
3078 | ||
3079 | wpa_printf(MSG_DEBUG, "nl80211: Scan result dump"); | |
3080 | for (i = 0; i < res->num; i++) { | |
3081 | struct wpa_scan_res *r = res->res[i]; | |
3082 | wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s%s", | |
3083 | (int) i, (int) res->num, MAC2STR(r->bssid), | |
3084 | r->flags & WPA_SCAN_AUTHENTICATED ? " [auth]" : "", | |
3085 | r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : ""); | |
3086 | } | |
3087 | ||
3088 | wpa_scan_results_free(res); | |
3089 | } | |
3090 | ||
3091 | ||
de4ed4a8 JM |
3092 | static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len) |
3093 | { | |
3094 | switch (alg) { | |
3095 | case WPA_ALG_WEP: | |
3096 | if (key_len == 5) | |
3097 | return WLAN_CIPHER_SUITE_WEP40; | |
3098 | return WLAN_CIPHER_SUITE_WEP104; | |
3099 | case WPA_ALG_TKIP: | |
3100 | return WLAN_CIPHER_SUITE_TKIP; | |
3101 | case WPA_ALG_CCMP: | |
3102 | return WLAN_CIPHER_SUITE_CCMP; | |
3103 | case WPA_ALG_GCMP: | |
3104 | return WLAN_CIPHER_SUITE_GCMP; | |
3105 | case WPA_ALG_CCMP_256: | |
3106 | return WLAN_CIPHER_SUITE_CCMP_256; | |
3107 | case WPA_ALG_GCMP_256: | |
3108 | return WLAN_CIPHER_SUITE_GCMP_256; | |
3109 | case WPA_ALG_IGTK: | |
3110 | return WLAN_CIPHER_SUITE_AES_CMAC; | |
3111 | case WPA_ALG_BIP_GMAC_128: | |
3112 | return WLAN_CIPHER_SUITE_BIP_GMAC_128; | |
3113 | case WPA_ALG_BIP_GMAC_256: | |
3114 | return WLAN_CIPHER_SUITE_BIP_GMAC_256; | |
3115 | case WPA_ALG_BIP_CMAC_256: | |
3116 | return WLAN_CIPHER_SUITE_BIP_CMAC_256; | |
3117 | case WPA_ALG_SMS4: | |
3118 | return WLAN_CIPHER_SUITE_SMS4; | |
3119 | case WPA_ALG_KRK: | |
3120 | return WLAN_CIPHER_SUITE_KRK; | |
3121 | case WPA_ALG_NONE: | |
3122 | case WPA_ALG_PMK: | |
3123 | wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d", | |
3124 | alg); | |
3125 | return 0; | |
3126 | } | |
3127 | ||
3128 | wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d", | |
3129 | alg); | |
3130 | return 0; | |
3131 | } | |
3132 | ||
3133 | ||
3134 | static u32 wpa_cipher_to_cipher_suite(unsigned int cipher) | |
3135 | { | |
3136 | switch (cipher) { | |
3137 | case WPA_CIPHER_CCMP_256: | |
3138 | return WLAN_CIPHER_SUITE_CCMP_256; | |
3139 | case WPA_CIPHER_GCMP_256: | |
3140 | return WLAN_CIPHER_SUITE_GCMP_256; | |
3141 | case WPA_CIPHER_CCMP: | |
3142 | return WLAN_CIPHER_SUITE_CCMP; | |
3143 | case WPA_CIPHER_GCMP: | |
3144 | return WLAN_CIPHER_SUITE_GCMP; | |
3145 | case WPA_CIPHER_TKIP: | |
3146 | return WLAN_CIPHER_SUITE_TKIP; | |
3147 | case WPA_CIPHER_WEP104: | |
3148 | return WLAN_CIPHER_SUITE_WEP104; | |
3149 | case WPA_CIPHER_WEP40: | |
3150 | return WLAN_CIPHER_SUITE_WEP40; | |
ae6f9272 JM |
3151 | case WPA_CIPHER_GTK_NOT_USED: |
3152 | return WLAN_CIPHER_SUITE_NO_GROUP_ADDR; | |
de4ed4a8 JM |
3153 | } |
3154 | ||
3155 | return 0; | |
3156 | } | |
3157 | ||
3158 | ||
3159 | static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[], | |
3160 | int max_suites) | |
3161 | { | |
3162 | int num_suites = 0; | |
3163 | ||
3164 | if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256) | |
3165 | suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256; | |
3166 | if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256) | |
3167 | suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256; | |
3168 | if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP) | |
3169 | suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP; | |
3170 | if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP) | |
3171 | suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP; | |
3172 | if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP) | |
3173 | suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP; | |
3174 | if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104) | |
3175 | suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104; | |
3176 | if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40) | |
3177 | suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40; | |
3178 | ||
3179 | return num_suites; | |
3180 | } | |
3181 | ||
3182 | ||
b41f2684 CL |
3183 | static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv, |
3184 | const u8 *key, size_t key_len) | |
3185 | { | |
3186 | struct nl_msg *msg; | |
3187 | int ret = 0; | |
3188 | ||
3189 | if (!drv->key_mgmt_set_key_vendor_cmd_avail) | |
3190 | return 0; | |
3191 | ||
3192 | msg = nlmsg_alloc(); | |
3193 | if (!msg) | |
3194 | return -1; | |
3195 | ||
3196 | nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR); | |
3197 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
3198 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA); | |
3199 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
3200 | QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY); | |
3201 | NLA_PUT(msg, NL80211_ATTR_VENDOR_DATA, key_len, key); | |
3202 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3203 | msg = NULL; | |
3204 | if (ret) { | |
3205 | wpa_printf(MSG_DEBUG, | |
3206 | "nl80211: Key management set key failed: ret=%d (%s)", | |
3207 | ret, strerror(-ret)); | |
3208 | } | |
3209 | ||
3210 | nla_put_failure: | |
3211 | nlmsg_free(msg); | |
3212 | return ret; | |
3213 | } | |
3214 | ||
3215 | ||
9ebce9c5 | 3216 | static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss, |
71934751 JM |
3217 | enum wpa_alg alg, const u8 *addr, |
3218 | int key_idx, int set_tx, | |
642187d6 JM |
3219 | const u8 *seq, size_t seq_len, |
3220 | const u8 *key, size_t key_len) | |
3f5285e8 | 3221 | { |
a2e40bb6 | 3222 | struct wpa_driver_nl80211_data *drv = bss->drv; |
e472e1b4 | 3223 | int ifindex; |
3f5285e8 | 3224 | struct nl_msg *msg; |
1ad1cdc2 | 3225 | int ret; |
dc01de8a | 3226 | int tdls = 0; |
3f5285e8 | 3227 | |
e472e1b4 AS |
3228 | /* Ignore for P2P Device */ |
3229 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
3230 | return 0; | |
3231 | ||
3232 | ifindex = if_nametoindex(ifname); | |
8393e1a0 | 3233 | wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d " |
1ad1cdc2 | 3234 | "set_tx=%d seq_len=%lu key_len=%lu", |
8393e1a0 | 3235 | __func__, ifindex, ifname, alg, addr, key_idx, set_tx, |
3f5285e8 | 3236 | (unsigned long) seq_len, (unsigned long) key_len); |
8c66e185 | 3237 | #ifdef CONFIG_TDLS |
dc01de8a | 3238 | if (key_idx == -1) { |
8c66e185 | 3239 | key_idx = 0; |
dc01de8a JM |
3240 | tdls = 1; |
3241 | } | |
8c66e185 | 3242 | #endif /* CONFIG_TDLS */ |
3f5285e8 | 3243 | |
b41f2684 CL |
3244 | if (alg == WPA_ALG_PMK && drv->key_mgmt_set_key_vendor_cmd_avail) { |
3245 | wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key", | |
3246 | __func__); | |
3247 | ret = issue_key_mgmt_set_key(drv, key, key_len); | |
3248 | return ret; | |
3249 | } | |
3250 | ||
3f5285e8 | 3251 | msg = nlmsg_alloc(); |
1ad1cdc2 JM |
3252 | if (!msg) |
3253 | return -ENOMEM; | |
3f5285e8 JM |
3254 | |
3255 | if (alg == WPA_ALG_NONE) { | |
9fb04070 | 3256 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_KEY); |
3f5285e8 | 3257 | } else { |
9fb04070 | 3258 | nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_KEY); |
3f5285e8 | 3259 | NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key); |
e6ef73f1 | 3260 | wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len); |
de4ed4a8 JM |
3261 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, |
3262 | wpa_alg_to_cipher_suite(alg, key_len)); | |
3f5285e8 JM |
3263 | } |
3264 | ||
e6ef73f1 | 3265 | if (seq && seq_len) { |
1ad1cdc2 | 3266 | NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq); |
e6ef73f1 JM |
3267 | wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len); |
3268 | } | |
1ad1cdc2 | 3269 | |
0382097e | 3270 | if (addr && !is_broadcast_ether_addr(addr)) { |
3f5285e8 JM |
3271 | wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr)); |
3272 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
89c38e32 JM |
3273 | |
3274 | if (alg != WPA_ALG_WEP && key_idx && !set_tx) { | |
3275 | wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK"); | |
3276 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, | |
3277 | NL80211_KEYTYPE_GROUP); | |
3278 | } | |
60ea8187 | 3279 | } else if (addr && is_broadcast_ether_addr(addr)) { |
8970bae8 JB |
3280 | struct nlattr *types; |
3281 | ||
60ea8187 | 3282 | wpa_printf(MSG_DEBUG, " broadcast key"); |
8970bae8 JB |
3283 | |
3284 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
60ea8187 JM |
3285 | if (!types) |
3286 | goto nla_put_failure; | |
8970bae8 JB |
3287 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST); |
3288 | nla_nest_end(msg, types); | |
3f5285e8 JM |
3289 | } |
3290 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); | |
1ad1cdc2 | 3291 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); |
3f5285e8 | 3292 | |
1ad1cdc2 | 3293 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
15664ad0 | 3294 | if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE) |
1ad1cdc2 JM |
3295 | ret = 0; |
3296 | if (ret) | |
3297 | wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)", | |
3298 | ret, strerror(-ret)); | |
3f5285e8 | 3299 | |
1ad1cdc2 JM |
3300 | /* |
3301 | * If we failed or don't need to set the default TX key (below), | |
3302 | * we're done here. | |
3303 | */ | |
dc01de8a | 3304 | if (ret || !set_tx || alg == WPA_ALG_NONE || tdls) |
1ad1cdc2 | 3305 | return ret; |
b1f625e0 | 3306 | if (is_ap_interface(drv->nlmode) && addr && |
0382097e | 3307 | !is_broadcast_ether_addr(addr)) |
de12717a | 3308 | return ret; |
3f5285e8 | 3309 | |
1ad1cdc2 JM |
3310 | msg = nlmsg_alloc(); |
3311 | if (!msg) | |
3312 | return -ENOMEM; | |
3f5285e8 | 3313 | |
9fb04070 | 3314 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_KEY); |
1ad1cdc2 JM |
3315 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); |
3316 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); | |
3317 | if (alg == WPA_ALG_IGTK) | |
3318 | NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT); | |
3319 | else | |
3320 | NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT); | |
60ea8187 | 3321 | if (addr && is_broadcast_ether_addr(addr)) { |
8970bae8 JB |
3322 | struct nlattr *types; |
3323 | ||
3324 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
60ea8187 JM |
3325 | if (!types) |
3326 | goto nla_put_failure; | |
8970bae8 JB |
3327 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST); |
3328 | nla_nest_end(msg, types); | |
60ea8187 | 3329 | } else if (addr) { |
8970bae8 JB |
3330 | struct nlattr *types; |
3331 | ||
3332 | types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); | |
60ea8187 JM |
3333 | if (!types) |
3334 | goto nla_put_failure; | |
8970bae8 JB |
3335 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST); |
3336 | nla_nest_end(msg, types); | |
60ea8187 | 3337 | } |
3f5285e8 | 3338 | |
1ad1cdc2 JM |
3339 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
3340 | if (ret == -ENOENT) | |
3341 | ret = 0; | |
3342 | if (ret) | |
3343 | wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; " | |
3344 | "err=%d %s)", ret, strerror(-ret)); | |
3345 | return ret; | |
3f5285e8 JM |
3346 | |
3347 | nla_put_failure: | |
5883168a | 3348 | nlmsg_free(msg); |
6241fcb1 | 3349 | return -ENOBUFS; |
3f5285e8 JM |
3350 | } |
3351 | ||
3352 | ||
71934751 | 3353 | static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg, |
0194fedb JB |
3354 | int key_idx, int defkey, |
3355 | const u8 *seq, size_t seq_len, | |
3356 | const u8 *key, size_t key_len) | |
3357 | { | |
3358 | struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY); | |
3359 | if (!key_attr) | |
3360 | return -1; | |
3361 | ||
3362 | if (defkey && alg == WPA_ALG_IGTK) | |
3363 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_MGMT); | |
3364 | else if (defkey) | |
3365 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
3366 | ||
3367 | NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx); | |
3368 | ||
de4ed4a8 JM |
3369 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, |
3370 | wpa_alg_to_cipher_suite(alg, key_len)); | |
0194fedb JB |
3371 | |
3372 | if (seq && seq_len) | |
3373 | NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq); | |
3374 | ||
3375 | NLA_PUT(msg, NL80211_KEY_DATA, key_len, key); | |
3376 | ||
3377 | nla_nest_end(msg, key_attr); | |
3378 | ||
3379 | return 0; | |
3380 | nla_put_failure: | |
3381 | return -1; | |
3382 | } | |
3383 | ||
c811d5bc | 3384 | |
cfaab580 ZY |
3385 | static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params, |
3386 | struct nl_msg *msg) | |
3387 | { | |
3388 | int i, privacy = 0; | |
3389 | struct nlattr *nl_keys, *nl_key; | |
3390 | ||
3391 | for (i = 0; i < 4; i++) { | |
3392 | if (!params->wep_key[i]) | |
3393 | continue; | |
3394 | privacy = 1; | |
3395 | break; | |
3396 | } | |
ce04af5a JM |
3397 | if (params->wps == WPS_MODE_PRIVACY) |
3398 | privacy = 1; | |
3399 | if (params->pairwise_suite && | |
3400 | params->pairwise_suite != WPA_CIPHER_NONE) | |
3401 | privacy = 1; | |
3402 | ||
cfaab580 ZY |
3403 | if (!privacy) |
3404 | return 0; | |
3405 | ||
3406 | NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY); | |
3407 | ||
3408 | nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS); | |
3409 | if (!nl_keys) | |
3410 | goto nla_put_failure; | |
3411 | ||
3412 | for (i = 0; i < 4; i++) { | |
3413 | if (!params->wep_key[i]) | |
3414 | continue; | |
3415 | ||
3416 | nl_key = nla_nest_start(msg, i); | |
3417 | if (!nl_key) | |
3418 | goto nla_put_failure; | |
3419 | ||
3420 | NLA_PUT(msg, NL80211_KEY_DATA, params->wep_key_len[i], | |
3421 | params->wep_key[i]); | |
3422 | if (params->wep_key_len[i] == 5) | |
3423 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, | |
3424 | WLAN_CIPHER_SUITE_WEP40); | |
3425 | else | |
3426 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, | |
3427 | WLAN_CIPHER_SUITE_WEP104); | |
3428 | ||
3429 | NLA_PUT_U8(msg, NL80211_KEY_IDX, i); | |
3430 | ||
3431 | if (i == params->wep_tx_keyidx) | |
3432 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
3433 | ||
3434 | nla_nest_end(msg, nl_key); | |
3435 | } | |
3436 | nla_nest_end(msg, nl_keys); | |
3437 | ||
3438 | return 0; | |
3439 | ||
3440 | nla_put_failure: | |
3441 | return -ENOBUFS; | |
3442 | } | |
3443 | ||
3444 | ||
c2a04078 | 3445 | static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, |
77339912 JM |
3446 | const u8 *addr, int cmd, u16 reason_code, |
3447 | int local_state_change) | |
c2a04078 JM |
3448 | { |
3449 | int ret = -1; | |
3450 | struct nl_msg *msg; | |
3451 | ||
3452 | msg = nlmsg_alloc(); | |
3453 | if (!msg) | |
3454 | return -1; | |
3455 | ||
9fb04070 | 3456 | nl80211_cmd(drv, msg, 0, cmd); |
c2a04078 JM |
3457 | |
3458 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
3459 | NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code); | |
817762d9 MI |
3460 | if (addr) |
3461 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
77339912 JM |
3462 | if (local_state_change) |
3463 | NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE); | |
c2a04078 JM |
3464 | |
3465 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3466 | msg = NULL; | |
3467 | if (ret) { | |
3b7ea880 BG |
3468 | wpa_dbg(drv->ctx, MSG_DEBUG, |
3469 | "nl80211: MLME command failed: reason=%u ret=%d (%s)", | |
3470 | reason_code, ret, strerror(-ret)); | |
c2a04078 JM |
3471 | goto nla_put_failure; |
3472 | } | |
3473 | ret = 0; | |
3474 | ||
3475 | nla_put_failure: | |
3476 | nlmsg_free(msg); | |
3477 | return ret; | |
3478 | } | |
3f5285e8 JM |
3479 | |
3480 | ||
cfaab580 | 3481 | static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv, |
817762d9 | 3482 | int reason_code) |
cfaab580 | 3483 | { |
3f53c006 JJ |
3484 | int ret; |
3485 | ||
817762d9 | 3486 | wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code); |
add9b7a4 | 3487 | nl80211_mark_disconnected(drv); |
817762d9 | 3488 | /* Disconnect command doesn't need BSSID - it uses cached value */ |
3f53c006 JJ |
3489 | ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT, |
3490 | reason_code, 0); | |
3491 | /* | |
3492 | * For locally generated disconnect, supplicant already generates a | |
3493 | * DEAUTH event, so ignore the event from NL80211. | |
3494 | */ | |
3495 | drv->ignore_next_local_disconnect = ret == 0; | |
3496 | ||
3497 | return ret; | |
cfaab580 ZY |
3498 | } |
3499 | ||
3500 | ||
9ebce9c5 JM |
3501 | static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss, |
3502 | const u8 *addr, int reason_code) | |
3f5285e8 | 3503 | { |
a2e40bb6 | 3504 | struct wpa_driver_nl80211_data *drv = bss->drv; |
d6a36f39 | 3505 | int ret; |
9392c9be AS |
3506 | |
3507 | if (drv->nlmode == NL80211_IFTYPE_ADHOC) { | |
3508 | nl80211_mark_disconnected(drv); | |
3509 | return nl80211_leave_ibss(drv); | |
3510 | } | |
cfaab580 | 3511 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) |
817762d9 | 3512 | return wpa_driver_nl80211_disconnect(drv, reason_code); |
2e75a2b3 JM |
3513 | wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)", |
3514 | __func__, MAC2STR(addr), reason_code); | |
add9b7a4 | 3515 | nl80211_mark_disconnected(drv); |
d6a36f39 JM |
3516 | ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE, |
3517 | reason_code, 0); | |
3518 | /* | |
3519 | * For locally generated deauthenticate, supplicant already generates a | |
3520 | * DEAUTH event, so ignore the event from NL80211. | |
3521 | */ | |
3522 | drv->ignore_next_local_deauth = ret == 0; | |
3523 | return ret; | |
3f5285e8 JM |
3524 | } |
3525 | ||
3526 | ||
536fd62d JM |
3527 | static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv, |
3528 | struct wpa_driver_auth_params *params) | |
3529 | { | |
3530 | int i; | |
3531 | ||
3532 | drv->auth_freq = params->freq; | |
3533 | drv->auth_alg = params->auth_alg; | |
3534 | drv->auth_wep_tx_keyidx = params->wep_tx_keyidx; | |
3535 | drv->auth_local_state_change = params->local_state_change; | |
3536 | drv->auth_p2p = params->p2p; | |
3537 | ||
3538 | if (params->bssid) | |
3539 | os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN); | |
3540 | else | |
3541 | os_memset(drv->auth_bssid_, 0, ETH_ALEN); | |
3542 | ||
3543 | if (params->ssid) { | |
3544 | os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len); | |
3545 | drv->auth_ssid_len = params->ssid_len; | |
3546 | } else | |
3547 | drv->auth_ssid_len = 0; | |
3548 | ||
3549 | ||
3550 | os_free(drv->auth_ie); | |
3551 | drv->auth_ie = NULL; | |
3552 | drv->auth_ie_len = 0; | |
3553 | if (params->ie) { | |
3554 | drv->auth_ie = os_malloc(params->ie_len); | |
3555 | if (drv->auth_ie) { | |
3556 | os_memcpy(drv->auth_ie, params->ie, params->ie_len); | |
3557 | drv->auth_ie_len = params->ie_len; | |
3558 | } | |
3559 | } | |
3560 | ||
3561 | for (i = 0; i < 4; i++) { | |
3562 | if (params->wep_key[i] && params->wep_key_len[i] && | |
3563 | params->wep_key_len[i] <= 16) { | |
3564 | os_memcpy(drv->auth_wep_key[i], params->wep_key[i], | |
3565 | params->wep_key_len[i]); | |
3566 | drv->auth_wep_key_len[i] = params->wep_key_len[i]; | |
3567 | } else | |
3568 | drv->auth_wep_key_len[i] = 0; | |
3569 | } | |
3570 | } | |
3571 | ||
3572 | ||
c2a04078 | 3573 | static int wpa_driver_nl80211_authenticate( |
9ebce9c5 | 3574 | struct i802_bss *bss, struct wpa_driver_auth_params *params) |
c2a04078 | 3575 | { |
a2e40bb6 | 3576 | struct wpa_driver_nl80211_data *drv = bss->drv; |
a0b2f99b | 3577 | int ret = -1, i; |
c2a04078 JM |
3578 | struct nl_msg *msg; |
3579 | enum nl80211_auth_type type; | |
2f4f73b1 | 3580 | enum nl80211_iftype nlmode; |
6d6f4bb8 | 3581 | int count = 0; |
536fd62d JM |
3582 | int is_retry; |
3583 | ||
3584 | is_retry = drv->retry_auth; | |
3585 | drv->retry_auth = 0; | |
e8d70a73 | 3586 | drv->ignore_deauth_event = 0; |
c2a04078 | 3587 | |
add9b7a4 | 3588 | nl80211_mark_disconnected(drv); |
e6b8efeb | 3589 | os_memset(drv->auth_bssid, 0, ETH_ALEN); |
add9b7a4 JM |
3590 | if (params->bssid) |
3591 | os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN); | |
3592 | else | |
3593 | os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN); | |
af473088 | 3594 | /* FIX: IBSS mode */ |
2f4f73b1 EP |
3595 | nlmode = params->p2p ? |
3596 | NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; | |
3597 | if (drv->nlmode != nlmode && | |
9ebce9c5 | 3598 | wpa_driver_nl80211_set_mode(bss, nlmode) < 0) |
4a867032 JM |
3599 | return -1; |
3600 | ||
6d6f4bb8 | 3601 | retry: |
c2a04078 JM |
3602 | msg = nlmsg_alloc(); |
3603 | if (!msg) | |
3604 | return -1; | |
3605 | ||
3606 | wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)", | |
3607 | drv->ifindex); | |
a0b2f99b | 3608 | |
9fb04070 | 3609 | nl80211_cmd(drv, msg, 0, NL80211_CMD_AUTHENTICATE); |
0194fedb | 3610 | |
a0b2f99b JM |
3611 | for (i = 0; i < 4; i++) { |
3612 | if (!params->wep_key[i]) | |
3613 | continue; | |
9ebce9c5 | 3614 | wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP, |
2ea2fcc7 | 3615 | NULL, i, |
a0b2f99b JM |
3616 | i == params->wep_tx_keyidx, NULL, 0, |
3617 | params->wep_key[i], | |
3618 | params->wep_key_len[i]); | |
0194fedb JB |
3619 | if (params->wep_tx_keyidx != i) |
3620 | continue; | |
3621 | if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0, | |
3622 | params->wep_key[i], params->wep_key_len[i])) { | |
3623 | nlmsg_free(msg); | |
3624 | return -1; | |
3625 | } | |
a0b2f99b JM |
3626 | } |
3627 | ||
c2a04078 JM |
3628 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
3629 | if (params->bssid) { | |
3630 | wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, | |
3631 | MAC2STR(params->bssid)); | |
3632 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid); | |
3633 | } | |
3634 | if (params->freq) { | |
3635 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); | |
3636 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq); | |
3637 | } | |
3638 | if (params->ssid) { | |
3639 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
3640 | params->ssid, params->ssid_len); | |
3641 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, | |
3642 | params->ssid); | |
3643 | } | |
3644 | wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len); | |
3645 | if (params->ie) | |
3646 | NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie); | |
569fed90 JM |
3647 | if (params->sae_data) { |
3648 | wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data, | |
3649 | params->sae_data_len); | |
3650 | NLA_PUT(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len, | |
3651 | params->sae_data); | |
3652 | } | |
abd9fafa | 3653 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) |
c2a04078 | 3654 | type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
abd9fafa | 3655 | else if (params->auth_alg & WPA_AUTH_ALG_SHARED) |
c2a04078 | 3656 | type = NL80211_AUTHTYPE_SHARED_KEY; |
abd9fafa | 3657 | else if (params->auth_alg & WPA_AUTH_ALG_LEAP) |
c2a04078 | 3658 | type = NL80211_AUTHTYPE_NETWORK_EAP; |
abd9fafa | 3659 | else if (params->auth_alg & WPA_AUTH_ALG_FT) |
c2a04078 | 3660 | type = NL80211_AUTHTYPE_FT; |
569fed90 JM |
3661 | else if (params->auth_alg & WPA_AUTH_ALG_SAE) |
3662 | type = NL80211_AUTHTYPE_SAE; | |
c2a04078 JM |
3663 | else |
3664 | goto nla_put_failure; | |
3665 | wpa_printf(MSG_DEBUG, " * Auth Type %d", type); | |
3666 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type); | |
77339912 JM |
3667 | if (params->local_state_change) { |
3668 | wpa_printf(MSG_DEBUG, " * Local state change only"); | |
3669 | NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE); | |
3670 | } | |
c2a04078 JM |
3671 | |
3672 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3673 | msg = NULL; | |
3674 | if (ret) { | |
3b7ea880 BG |
3675 | wpa_dbg(drv->ctx, MSG_DEBUG, |
3676 | "nl80211: MLME command failed (auth): ret=%d (%s)", | |
3677 | ret, strerror(-ret)); | |
6d6f4bb8 | 3678 | count++; |
77339912 JM |
3679 | if (ret == -EALREADY && count == 1 && params->bssid && |
3680 | !params->local_state_change) { | |
6d6f4bb8 JM |
3681 | /* |
3682 | * mac80211 does not currently accept new | |
3683 | * authentication if we are already authenticated. As a | |
3684 | * workaround, force deauthentication and try again. | |
3685 | */ | |
3686 | wpa_printf(MSG_DEBUG, "nl80211: Retry authentication " | |
3687 | "after forced deauthentication"); | |
e8d70a73 | 3688 | drv->ignore_deauth_event = 1; |
6d6f4bb8 | 3689 | wpa_driver_nl80211_deauthenticate( |
5205c4f9 | 3690 | bss, params->bssid, |
6d6f4bb8 JM |
3691 | WLAN_REASON_PREV_AUTH_NOT_VALID); |
3692 | nlmsg_free(msg); | |
3693 | goto retry; | |
3694 | } | |
536fd62d JM |
3695 | |
3696 | if (ret == -ENOENT && params->freq && !is_retry) { | |
3697 | /* | |
3698 | * cfg80211 has likely expired the BSS entry even | |
3699 | * though it was previously available in our internal | |
3700 | * BSS table. To recover quickly, start a single | |
3701 | * channel scan on the specified channel. | |
3702 | */ | |
3703 | struct wpa_driver_scan_params scan; | |
3704 | int freqs[2]; | |
3705 | ||
3706 | os_memset(&scan, 0, sizeof(scan)); | |
3707 | scan.num_ssids = 1; | |
3708 | if (params->ssid) { | |
3709 | scan.ssids[0].ssid = params->ssid; | |
3710 | scan.ssids[0].ssid_len = params->ssid_len; | |
3711 | } | |
3712 | freqs[0] = params->freq; | |
3713 | freqs[1] = 0; | |
3714 | scan.freqs = freqs; | |
3715 | wpa_printf(MSG_DEBUG, "nl80211: Trigger single " | |
3716 | "channel scan to refresh cfg80211 BSS " | |
3717 | "entry"); | |
3718 | ret = wpa_driver_nl80211_scan(bss, &scan); | |
3719 | if (ret == 0) { | |
3720 | nl80211_copy_auth_params(drv, params); | |
3721 | drv->scan_for_auth = 1; | |
3722 | } | |
8c3ba078 JM |
3723 | } else if (is_retry) { |
3724 | /* | |
3725 | * Need to indicate this with an event since the return | |
3726 | * value from the retry is not delivered to core code. | |
3727 | */ | |
3728 | union wpa_event_data event; | |
3729 | wpa_printf(MSG_DEBUG, "nl80211: Authentication retry " | |
3730 | "failed"); | |
3731 | os_memset(&event, 0, sizeof(event)); | |
3732 | os_memcpy(event.timeout_event.addr, drv->auth_bssid_, | |
3733 | ETH_ALEN); | |
3734 | wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT, | |
3735 | &event); | |
536fd62d JM |
3736 | } |
3737 | ||
c2a04078 JM |
3738 | goto nla_put_failure; |
3739 | } | |
3740 | ret = 0; | |
3741 | wpa_printf(MSG_DEBUG, "nl80211: Authentication request send " | |
3742 | "successfully"); | |
3743 | ||
3744 | nla_put_failure: | |
3745 | nlmsg_free(msg); | |
3746 | return ret; | |
3747 | } | |
3748 | ||
3749 | ||
f3407c66 | 3750 | int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv) |
536fd62d JM |
3751 | { |
3752 | struct wpa_driver_auth_params params; | |
834ee56f | 3753 | struct i802_bss *bss = drv->first_bss; |
536fd62d JM |
3754 | int i; |
3755 | ||
3756 | wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again"); | |
3757 | ||
3758 | os_memset(¶ms, 0, sizeof(params)); | |
3759 | params.freq = drv->auth_freq; | |
3760 | params.auth_alg = drv->auth_alg; | |
3761 | params.wep_tx_keyidx = drv->auth_wep_tx_keyidx; | |
3762 | params.local_state_change = drv->auth_local_state_change; | |
3763 | params.p2p = drv->auth_p2p; | |
3764 | ||
3765 | if (!is_zero_ether_addr(drv->auth_bssid_)) | |
3766 | params.bssid = drv->auth_bssid_; | |
3767 | ||
3768 | if (drv->auth_ssid_len) { | |
3769 | params.ssid = drv->auth_ssid; | |
3770 | params.ssid_len = drv->auth_ssid_len; | |
3771 | } | |
3772 | ||
3773 | params.ie = drv->auth_ie; | |
3774 | params.ie_len = drv->auth_ie_len; | |
3775 | ||
3776 | for (i = 0; i < 4; i++) { | |
3777 | if (drv->auth_wep_key_len[i]) { | |
3778 | params.wep_key[i] = drv->auth_wep_key[i]; | |
3779 | params.wep_key_len[i] = drv->auth_wep_key_len[i]; | |
3780 | } | |
3781 | } | |
3782 | ||
3783 | drv->retry_auth = 1; | |
3784 | return wpa_driver_nl80211_authenticate(bss, ¶ms); | |
3785 | } | |
3786 | ||
3787 | ||
a11241fa JB |
3788 | static int wpa_driver_nl80211_send_frame(struct i802_bss *bss, |
3789 | const void *data, size_t len, | |
55231068 JM |
3790 | int encrypt, int noack, |
3791 | unsigned int freq, int no_cck, | |
3792 | int offchanok, unsigned int wait_time) | |
a11241fa JB |
3793 | { |
3794 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3795 | u64 cookie; | |
41cc50d1 | 3796 | int res; |
a11241fa | 3797 | |
c7caac56 JM |
3798 | if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) { |
3799 | freq = nl80211_get_assoc_freq(drv); | |
3800 | wpa_printf(MSG_DEBUG, | |
3801 | "nl80211: send_frame - Use assoc_freq=%u for IBSS", | |
3802 | freq); | |
3803 | } | |
af964484 JM |
3804 | if (freq == 0) { |
3805 | wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u", | |
3806 | bss->freq); | |
55231068 | 3807 | freq = bss->freq; |
af964484 | 3808 | } |
55231068 | 3809 | |
739faee2 | 3810 | if (drv->use_monitor) { |
981cf85a | 3811 | wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor", |
739faee2 | 3812 | freq, bss->freq); |
981cf85a | 3813 | return nl80211_send_monitor(drv, data, len, encrypt, noack); |
739faee2 | 3814 | } |
a11241fa | 3815 | |
739faee2 | 3816 | wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd"); |
41cc50d1 JM |
3817 | res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len, |
3818 | &cookie, no_cck, noack, offchanok); | |
3819 | if (res == 0 && !noack) { | |
3820 | const struct ieee80211_mgmt *mgmt; | |
3821 | u16 fc; | |
3822 | ||
3823 | mgmt = (const struct ieee80211_mgmt *) data; | |
3824 | fc = le_to_host16(mgmt->frame_control); | |
3825 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
3826 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) { | |
3827 | wpa_printf(MSG_MSGDUMP, | |
3828 | "nl80211: Update send_action_cookie from 0x%llx to 0x%llx", | |
3829 | (long long unsigned int) | |
3830 | drv->send_action_cookie, | |
3831 | (long long unsigned int) cookie); | |
3832 | drv->send_action_cookie = cookie; | |
3833 | } | |
3834 | } | |
3835 | ||
3836 | return res; | |
a11241fa JB |
3837 | } |
3838 | ||
3839 | ||
9ebce9c5 JM |
3840 | static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data, |
3841 | size_t data_len, int noack, | |
3842 | unsigned int freq, int no_cck, | |
3843 | int offchanok, | |
3844 | unsigned int wait_time) | |
2c2010ac | 3845 | { |
a2e40bb6 | 3846 | struct wpa_driver_nl80211_data *drv = bss->drv; |
2c2010ac | 3847 | struct ieee80211_mgmt *mgmt; |
7a47d567 | 3848 | int encrypt = 1; |
2c2010ac JM |
3849 | u16 fc; |
3850 | ||
3851 | mgmt = (struct ieee80211_mgmt *) data; | |
3852 | fc = le_to_host16(mgmt->frame_control); | |
f95a4524 PF |
3853 | wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR |
3854 | " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d", | |
3855 | MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time, | |
3856 | fc, fc2str(fc), drv->nlmode); | |
2c2010ac | 3857 | |
8e12685c AS |
3858 | if ((is_sta_interface(drv->nlmode) || |
3859 | drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) && | |
5582a5d1 JB |
3860 | WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && |
3861 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) { | |
3862 | /* | |
3863 | * The use of last_mgmt_freq is a bit of a hack, | |
3864 | * but it works due to the single-threaded nature | |
3865 | * of wpa_supplicant. | |
3866 | */ | |
af964484 JM |
3867 | if (freq == 0) { |
3868 | wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d", | |
3869 | drv->last_mgmt_freq); | |
55231068 | 3870 | freq = drv->last_mgmt_freq; |
af964484 | 3871 | } |
55231068 | 3872 | return nl80211_send_frame_cmd(bss, freq, 0, |
88df0ef7 JB |
3873 | data, data_len, NULL, 1, noack, |
3874 | 1); | |
5582a5d1 JB |
3875 | } |
3876 | ||
61cbe2ff | 3877 | if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) { |
af964484 JM |
3878 | if (freq == 0) { |
3879 | wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d", | |
3880 | bss->freq); | |
55231068 | 3881 | freq = bss->freq; |
af964484 | 3882 | } |
b5671498 JM |
3883 | return nl80211_send_frame_cmd(bss, freq, |
3884 | (int) freq == bss->freq ? 0 : | |
3885 | wait_time, | |
d8d6b32e DG |
3886 | data, data_len, |
3887 | &drv->send_action_cookie, | |
55231068 | 3888 | no_cck, noack, offchanok); |
86957e62 JM |
3889 | } |
3890 | ||
2c2010ac JM |
3891 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && |
3892 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) { | |
3893 | /* | |
3894 | * Only one of the authentication frame types is encrypted. | |
3895 | * In order for static WEP encryption to work properly (i.e., | |
3896 | * to not encrypt the frame), we need to tell mac80211 about | |
3897 | * the frames that must not be encrypted. | |
3898 | */ | |
3899 | u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg); | |
3900 | u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction); | |
7a47d567 JB |
3901 | if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3) |
3902 | encrypt = 0; | |
2c2010ac JM |
3903 | } |
3904 | ||
739faee2 | 3905 | wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame"); |
a11241fa | 3906 | return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, |
55231068 JM |
3907 | noack, freq, no_cck, offchanok, |
3908 | wait_time); | |
3909 | } | |
3910 | ||
3911 | ||
31357268 | 3912 | static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble, |
e5693c47 JM |
3913 | int slot, int ht_opmode, int ap_isolate, |
3914 | int *basic_rates) | |
31357268 JM |
3915 | { |
3916 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3917 | struct nl_msg *msg; | |
3918 | ||
3919 | msg = nlmsg_alloc(); | |
3920 | if (!msg) | |
3921 | return -ENOMEM; | |
3922 | ||
9fb04070 | 3923 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS); |
31357268 JM |
3924 | |
3925 | if (cts >= 0) | |
3926 | NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts); | |
3927 | if (preamble >= 0) | |
3928 | NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble); | |
3929 | if (slot >= 0) | |
3930 | NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot); | |
3931 | if (ht_opmode >= 0) | |
3932 | NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode); | |
d03e8d11 JM |
3933 | if (ap_isolate >= 0) |
3934 | NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate); | |
e5693c47 JM |
3935 | |
3936 | if (basic_rates) { | |
3937 | u8 rates[NL80211_MAX_SUPP_RATES]; | |
3938 | u8 rates_len = 0; | |
3939 | int i; | |
3940 | ||
3941 | for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; | |
3942 | i++) | |
3943 | rates[rates_len++] = basic_rates[i] / 5; | |
3944 | ||
3945 | NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates); | |
3946 | } | |
3947 | ||
31357268 JM |
3948 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); |
3949 | ||
3950 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
3951 | nla_put_failure: | |
5883168a | 3952 | nlmsg_free(msg); |
31357268 JM |
3953 | return -ENOBUFS; |
3954 | } | |
3955 | ||
3956 | ||
3c4ca363 VN |
3957 | static int wpa_driver_nl80211_set_acl(void *priv, |
3958 | struct hostapd_acl_params *params) | |
3959 | { | |
3960 | struct i802_bss *bss = priv; | |
3961 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3962 | struct nl_msg *msg; | |
3963 | struct nlattr *acl; | |
3964 | unsigned int i; | |
3965 | int ret = 0; | |
3966 | ||
3967 | if (!(drv->capa.max_acl_mac_addrs)) | |
3968 | return -ENOTSUP; | |
3969 | ||
3970 | if (params->num_mac_acl > drv->capa.max_acl_mac_addrs) | |
3971 | return -ENOTSUP; | |
3972 | ||
3973 | msg = nlmsg_alloc(); | |
3974 | if (!msg) | |
3975 | return -ENOMEM; | |
3976 | ||
3977 | wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)", | |
3978 | params->acl_policy ? "Accept" : "Deny", params->num_mac_acl); | |
3979 | ||
3980 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_MAC_ACL); | |
3981 | ||
3982 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
3983 | ||
3984 | NLA_PUT_U32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ? | |
3985 | NL80211_ACL_POLICY_DENY_UNLESS_LISTED : | |
3986 | NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED); | |
3987 | ||
3988 | acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS); | |
3989 | if (acl == NULL) | |
3990 | goto nla_put_failure; | |
3991 | ||
3992 | for (i = 0; i < params->num_mac_acl; i++) | |
3993 | NLA_PUT(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr); | |
3994 | ||
3995 | nla_nest_end(msg, acl); | |
3996 | ||
3997 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
3998 | msg = NULL; | |
3999 | if (ret) { | |
4000 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)", | |
4001 | ret, strerror(-ret)); | |
4002 | } | |
4003 | ||
4004 | nla_put_failure: | |
4005 | nlmsg_free(msg); | |
4006 | ||
4007 | return ret; | |
4008 | } | |
4009 | ||
4010 | ||
19c3b566 JM |
4011 | static int wpa_driver_nl80211_set_ap(void *priv, |
4012 | struct wpa_driver_ap_params *params) | |
d2440ba0 | 4013 | { |
a2e40bb6 FF |
4014 | struct i802_bss *bss = priv; |
4015 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
d2440ba0 JM |
4016 | struct nl_msg *msg; |
4017 | u8 cmd = NL80211_CMD_NEW_BEACON; | |
4018 | int ret; | |
b4fd6fab | 4019 | int beacon_set; |
8b897f5a | 4020 | int ifindex = if_nametoindex(bss->ifname); |
b11d1d64 | 4021 | int num_suites; |
da1080d7 | 4022 | int smps_mode; |
de4ed4a8 | 4023 | u32 suites[10], suite; |
b11d1d64 | 4024 | u32 ver; |
b4fd6fab | 4025 | |
b4fd6fab | 4026 | beacon_set = bss->beacon_set; |
d2440ba0 JM |
4027 | |
4028 | msg = nlmsg_alloc(); | |
4029 | if (!msg) | |
4030 | return -ENOMEM; | |
4031 | ||
4032 | wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)", | |
b4fd6fab JM |
4033 | beacon_set); |
4034 | if (beacon_set) | |
d2440ba0 JM |
4035 | cmd = NL80211_CMD_SET_BEACON; |
4036 | ||
9fb04070 | 4037 | nl80211_cmd(drv, msg, 0, cmd); |
b92e08fc JM |
4038 | wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head", |
4039 | params->head, params->head_len); | |
19c3b566 | 4040 | NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head); |
b92e08fc JM |
4041 | wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail", |
4042 | params->tail, params->tail_len); | |
19c3b566 | 4043 | NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail); |
b92e08fc | 4044 | wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", ifindex); |
b4fd6fab | 4045 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); |
b92e08fc | 4046 | wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int); |
19c3b566 | 4047 | NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int); |
b92e08fc | 4048 | wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period); |
19c3b566 | 4049 | NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period); |
b92e08fc JM |
4050 | wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid", |
4051 | params->ssid, params->ssid_len); | |
ccb941e6 JM |
4052 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, |
4053 | params->ssid); | |
b92e08fc JM |
4054 | if (params->proberesp && params->proberesp_len) { |
4055 | wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)", | |
4056 | params->proberesp, params->proberesp_len); | |
5ed33546 AN |
4057 | NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len, |
4058 | params->proberesp); | |
b92e08fc | 4059 | } |
97a7a0b5 JM |
4060 | switch (params->hide_ssid) { |
4061 | case NO_SSID_HIDING: | |
b92e08fc | 4062 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use"); |
97a7a0b5 JM |
4063 | NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, |
4064 | NL80211_HIDDEN_SSID_NOT_IN_USE); | |
4065 | break; | |
4066 | case HIDDEN_SSID_ZERO_LEN: | |
b92e08fc | 4067 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len"); |
97a7a0b5 JM |
4068 | NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, |
4069 | NL80211_HIDDEN_SSID_ZERO_LEN); | |
4070 | break; | |
4071 | case HIDDEN_SSID_ZERO_CONTENTS: | |
b92e08fc | 4072 | wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents"); |
97a7a0b5 JM |
4073 | NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, |
4074 | NL80211_HIDDEN_SSID_ZERO_CONTENTS); | |
4075 | break; | |
4076 | } | |
b92e08fc | 4077 | wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy); |
b11d1d64 JM |
4078 | if (params->privacy) |
4079 | NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY); | |
b92e08fc | 4080 | wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs); |
b11d1d64 JM |
4081 | if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) == |
4082 | (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) { | |
4083 | /* Leave out the attribute */ | |
4084 | } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) | |
4085 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, | |
4086 | NL80211_AUTHTYPE_SHARED_KEY); | |
4087 | else | |
4088 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, | |
4089 | NL80211_AUTHTYPE_OPEN_SYSTEM); | |
4090 | ||
b92e08fc | 4091 | wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version); |
b11d1d64 JM |
4092 | ver = 0; |
4093 | if (params->wpa_version & WPA_PROTO_WPA) | |
4094 | ver |= NL80211_WPA_VERSION_1; | |
4095 | if (params->wpa_version & WPA_PROTO_RSN) | |
4096 | ver |= NL80211_WPA_VERSION_2; | |
4097 | if (ver) | |
4098 | NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver); | |
4099 | ||
b92e08fc JM |
4100 | wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x", |
4101 | params->key_mgmt_suites); | |
b11d1d64 JM |
4102 | num_suites = 0; |
4103 | if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X) | |
4104 | suites[num_suites++] = WLAN_AKM_SUITE_8021X; | |
4105 | if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK) | |
4106 | suites[num_suites++] = WLAN_AKM_SUITE_PSK; | |
4107 | if (num_suites) { | |
4108 | NLA_PUT(msg, NL80211_ATTR_AKM_SUITES, | |
4109 | num_suites * sizeof(u32), suites); | |
4110 | } | |
4111 | ||
9f12614b JB |
4112 | if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X && |
4113 | params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) | |
4114 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT); | |
4115 | ||
b92e08fc JM |
4116 | wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x", |
4117 | params->pairwise_ciphers); | |
de4ed4a8 JM |
4118 | num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers, |
4119 | suites, ARRAY_SIZE(suites)); | |
b11d1d64 JM |
4120 | if (num_suites) { |
4121 | NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, | |
4122 | num_suites * sizeof(u32), suites); | |
4123 | } | |
4124 | ||
b92e08fc JM |
4125 | wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x", |
4126 | params->group_cipher); | |
de4ed4a8 JM |
4127 | suite = wpa_cipher_to_cipher_suite(params->group_cipher); |
4128 | if (suite) | |
4129 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite); | |
d2440ba0 | 4130 | |
da1080d7 EP |
4131 | switch (params->smps_mode) { |
4132 | case HT_CAP_INFO_SMPS_DYNAMIC: | |
4133 | wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic"); | |
4134 | smps_mode = NL80211_SMPS_DYNAMIC; | |
4135 | break; | |
4136 | case HT_CAP_INFO_SMPS_STATIC: | |
4137 | wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static"); | |
4138 | smps_mode = NL80211_SMPS_STATIC; | |
4139 | break; | |
4140 | default: | |
4141 | /* invalid - fallback to smps off */ | |
4142 | case HT_CAP_INFO_SMPS_DISABLED: | |
4143 | wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off"); | |
4144 | smps_mode = NL80211_SMPS_OFF; | |
4145 | break; | |
4146 | } | |
4147 | NLA_PUT_U32(msg, NL80211_ATTR_SMPS_MODE, smps_mode); | |
4148 | ||
fb91db56 | 4149 | if (params->beacon_ies) { |
b92e08fc JM |
4150 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies", |
4151 | params->beacon_ies); | |
fb91db56 JM |
4152 | NLA_PUT(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies), |
4153 | wpabuf_head(params->beacon_ies)); | |
4154 | } | |
4155 | if (params->proberesp_ies) { | |
b92e08fc JM |
4156 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies", |
4157 | params->proberesp_ies); | |
fb91db56 JM |
4158 | NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP, |
4159 | wpabuf_len(params->proberesp_ies), | |
4160 | wpabuf_head(params->proberesp_ies)); | |
4161 | } | |
4162 | if (params->assocresp_ies) { | |
b92e08fc JM |
4163 | wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies", |
4164 | params->assocresp_ies); | |
fb91db56 JM |
4165 | NLA_PUT(msg, NL80211_ATTR_IE_ASSOC_RESP, |
4166 | wpabuf_len(params->assocresp_ies), | |
4167 | wpabuf_head(params->assocresp_ies)); | |
4168 | } | |
4169 | ||
a0133ee1 | 4170 | if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) { |
b92e08fc JM |
4171 | wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d", |
4172 | params->ap_max_inactivity); | |
a0133ee1 VT |
4173 | NLA_PUT_U16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT, |
4174 | params->ap_max_inactivity); | |
4175 | } | |
4176 | ||
d2440ba0 JM |
4177 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
4178 | if (ret) { | |
4179 | wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)", | |
4180 | ret, strerror(-ret)); | |
b4fd6fab | 4181 | } else { |
b4fd6fab | 4182 | bss->beacon_set = 1; |
31357268 | 4183 | nl80211_set_bss(bss, params->cts_protect, params->preamble, |
d03e8d11 | 4184 | params->short_slot_time, params->ht_opmode, |
e5693c47 | 4185 | params->isolate, params->basic_rates); |
e87ef751 PX |
4186 | if (beacon_set && params->freq && |
4187 | params->freq->bandwidth != bss->bandwidth) { | |
4188 | wpa_printf(MSG_DEBUG, | |
4189 | "nl80211: Update BSS %s bandwidth: %d -> %d", | |
4190 | bss->ifname, bss->bandwidth, | |
4191 | params->freq->bandwidth); | |
4192 | ret = nl80211_set_channel(bss, params->freq, 1); | |
4193 | if (ret) { | |
4194 | wpa_printf(MSG_DEBUG, | |
4195 | "nl80211: Frequency set failed: %d (%s)", | |
4196 | ret, strerror(-ret)); | |
4197 | } else { | |
4198 | wpa_printf(MSG_DEBUG, | |
4199 | "nl80211: Frequency set succeeded for ht2040 coex"); | |
4200 | bss->bandwidth = params->freq->bandwidth; | |
4201 | } | |
4202 | } else if (!beacon_set) { | |
4203 | /* | |
4204 | * cfg80211 updates the driver on frequence change in AP | |
4205 | * mode only at the point when beaconing is started, so | |
4206 | * set the initial value here. | |
4207 | */ | |
4208 | bss->bandwidth = params->freq->bandwidth; | |
4209 | } | |
b4fd6fab | 4210 | } |
d2440ba0 JM |
4211 | return ret; |
4212 | nla_put_failure: | |
5883168a | 4213 | nlmsg_free(msg); |
d2440ba0 JM |
4214 | return -ENOBUFS; |
4215 | } | |
4216 | ||
4217 | ||
1c4ffa87 AO |
4218 | static int nl80211_put_freq_params(struct nl_msg *msg, |
4219 | struct hostapd_freq_params *freq) | |
1581b38b | 4220 | { |
89b800d7 JB |
4221 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq); |
4222 | if (freq->vht_enabled) { | |
4223 | switch (freq->bandwidth) { | |
4224 | case 20: | |
4225 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
4226 | NL80211_CHAN_WIDTH_20); | |
4227 | break; | |
4228 | case 40: | |
4229 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
4230 | NL80211_CHAN_WIDTH_40); | |
4231 | break; | |
4232 | case 80: | |
4233 | if (freq->center_freq2) | |
4234 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
4235 | NL80211_CHAN_WIDTH_80P80); | |
4236 | else | |
4237 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
4238 | NL80211_CHAN_WIDTH_80); | |
4239 | break; | |
4240 | case 160: | |
4241 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, | |
4242 | NL80211_CHAN_WIDTH_160); | |
4243 | break; | |
4244 | default: | |
1c4ffa87 | 4245 | return -EINVAL; |
89b800d7 JB |
4246 | } |
4247 | NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1); | |
4248 | if (freq->center_freq2) | |
4249 | NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2, | |
4250 | freq->center_freq2); | |
4251 | } else if (freq->ht_enabled) { | |
4252 | switch (freq->sec_channel_offset) { | |
f019981a JM |
4253 | case -1: |
4254 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
4255 | NL80211_CHAN_HT40MINUS); | |
4256 | break; | |
4257 | case 1: | |
4258 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
4259 | NL80211_CHAN_HT40PLUS); | |
4260 | break; | |
4261 | default: | |
4262 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
4263 | NL80211_CHAN_HT20); | |
4264 | break; | |
4265 | } | |
4266 | } | |
1c4ffa87 AO |
4267 | return 0; |
4268 | ||
4269 | nla_put_failure: | |
4270 | return -ENOBUFS; | |
4271 | } | |
4272 | ||
4273 | ||
e87ef751 PX |
4274 | static int nl80211_set_channel(struct i802_bss *bss, |
4275 | struct hostapd_freq_params *freq, int set_chan) | |
1c4ffa87 AO |
4276 | { |
4277 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4278 | struct nl_msg *msg; | |
4279 | int ret; | |
4280 | ||
4281 | wpa_printf(MSG_DEBUG, | |
4282 | "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)", | |
4283 | freq->freq, freq->ht_enabled, freq->vht_enabled, | |
4284 | freq->bandwidth, freq->center_freq1, freq->center_freq2); | |
4285 | msg = nlmsg_alloc(); | |
4286 | if (!msg) | |
4287 | return -1; | |
4288 | ||
e87ef751 PX |
4289 | nl80211_cmd(drv, msg, 0, set_chan ? NL80211_CMD_SET_CHANNEL : |
4290 | NL80211_CMD_SET_WIPHY); | |
1c4ffa87 AO |
4291 | |
4292 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
4293 | if (nl80211_put_freq_params(msg, freq) < 0) | |
4294 | goto nla_put_failure; | |
1581b38b | 4295 | |
d2440ba0 | 4296 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
5883168a | 4297 | msg = NULL; |
e4fb2167 | 4298 | if (ret == 0) { |
89b800d7 | 4299 | bss->freq = freq->freq; |
1581b38b | 4300 | return 0; |
e4fb2167 | 4301 | } |
f019981a | 4302 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): " |
89b800d7 | 4303 | "%d (%s)", freq->freq, ret, strerror(-ret)); |
1581b38b | 4304 | nla_put_failure: |
5883168a | 4305 | nlmsg_free(msg); |
1581b38b JM |
4306 | return -1; |
4307 | } | |
4308 | ||
0f4e8b4f | 4309 | |
95ab6063 AN |
4310 | static u32 sta_flags_nl80211(int flags) |
4311 | { | |
4312 | u32 f = 0; | |
4313 | ||
4314 | if (flags & WPA_STA_AUTHORIZED) | |
4315 | f |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
4316 | if (flags & WPA_STA_WMM) | |
4317 | f |= BIT(NL80211_STA_FLAG_WME); | |
4318 | if (flags & WPA_STA_SHORT_PREAMBLE) | |
4319 | f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
4320 | if (flags & WPA_STA_MFP) | |
4321 | f |= BIT(NL80211_STA_FLAG_MFP); | |
45b722f1 AN |
4322 | if (flags & WPA_STA_TDLS_PEER) |
4323 | f |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
7a228b5c BC |
4324 | if (flags & WPA_STA_AUTHENTICATED) |
4325 | f |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
95ab6063 AN |
4326 | |
4327 | return f; | |
4328 | } | |
4329 | ||
4330 | ||
7c7e7877 BC |
4331 | #ifdef CONFIG_MESH |
4332 | static u32 sta_plink_state_nl80211(enum mesh_plink_state state) | |
4333 | { | |
4334 | switch (state) { | |
4335 | case PLINK_LISTEN: | |
4336 | return NL80211_PLINK_LISTEN; | |
4337 | case PLINK_OPEN_SENT: | |
4338 | return NL80211_PLINK_OPN_SNT; | |
4339 | case PLINK_OPEN_RCVD: | |
4340 | return NL80211_PLINK_OPN_RCVD; | |
4341 | case PLINK_CNF_RCVD: | |
4342 | return NL80211_PLINK_CNF_RCVD; | |
4343 | case PLINK_ESTAB: | |
4344 | return NL80211_PLINK_ESTAB; | |
4345 | case PLINK_HOLDING: | |
4346 | return NL80211_PLINK_HOLDING; | |
4347 | case PLINK_BLOCKED: | |
4348 | return NL80211_PLINK_BLOCKED; | |
4349 | default: | |
4350 | wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d", | |
4351 | state); | |
4352 | } | |
4353 | return -1; | |
4354 | } | |
4355 | #endif /* CONFIG_MESH */ | |
4356 | ||
4357 | ||
62847751 | 4358 | static int wpa_driver_nl80211_sta_add(void *priv, |
0f4e8b4f JM |
4359 | struct hostapd_sta_add_params *params) |
4360 | { | |
a2e40bb6 FF |
4361 | struct i802_bss *bss = priv; |
4362 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8970bae8 | 4363 | struct nl_msg *msg; |
95ab6063 | 4364 | struct nl80211_sta_flag_update upd; |
0f4e8b4f JM |
4365 | int ret = -ENOBUFS; |
4366 | ||
45b722f1 AN |
4367 | if ((params->flags & WPA_STA_TDLS_PEER) && |
4368 | !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
4369 | return -EOPNOTSUPP; | |
4370 | ||
0f4e8b4f JM |
4371 | msg = nlmsg_alloc(); |
4372 | if (!msg) | |
4373 | return -ENOMEM; | |
4374 | ||
e4dea253 JM |
4375 | wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR, |
4376 | params->set ? "Set" : "Add", MAC2STR(params->addr)); | |
45b722f1 AN |
4377 | nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION : |
4378 | NL80211_CMD_NEW_STATION); | |
0f4e8b4f | 4379 | |
62847751 | 4380 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); |
0f4e8b4f | 4381 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr); |
5551bc9c BC |
4382 | |
4383 | if (!params->set || (params->flags & WPA_STA_TDLS_PEER)) { | |
4384 | NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, | |
4385 | params->supp_rates_len, params->supp_rates); | |
4386 | wpa_hexdump(MSG_DEBUG, " * supported rates", | |
4387 | params->supp_rates, params->supp_rates_len); | |
4388 | } | |
45b722f1 | 4389 | if (!params->set) { |
f11b72c3 JM |
4390 | if (params->aid) { |
4391 | wpa_printf(MSG_DEBUG, " * aid=%u", params->aid); | |
4392 | NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid); | |
4393 | } else { | |
4394 | /* | |
4395 | * cfg80211 validates that AID is non-zero, so we have | |
4396 | * to make this a non-zero value for the TDLS case where | |
4397 | * a dummy STA entry is used for now. | |
4398 | */ | |
4399 | wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)"); | |
4400 | NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, 1); | |
4401 | } | |
e4dea253 JM |
4402 | wpa_printf(MSG_DEBUG, " * listen_interval=%u", |
4403 | params->listen_interval); | |
45b722f1 AN |
4404 | NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, |
4405 | params->listen_interval); | |
e112764e JM |
4406 | } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) { |
4407 | wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid); | |
4408 | NLA_PUT_U16(msg, NL80211_ATTR_PEER_AID, params->aid); | |
45b722f1 | 4409 | } |
0f4e8b4f | 4410 | if (params->ht_capabilities) { |
e4dea253 JM |
4411 | wpa_hexdump(MSG_DEBUG, " * ht_capabilities", |
4412 | (u8 *) params->ht_capabilities, | |
4413 | sizeof(*params->ht_capabilities)); | |
0f4e8b4f | 4414 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, |
fc4e2d95 JM |
4415 | sizeof(*params->ht_capabilities), |
4416 | params->ht_capabilities); | |
0f4e8b4f | 4417 | } |
0f4e8b4f | 4418 | |
05a8d422 | 4419 | if (params->vht_capabilities) { |
e4dea253 JM |
4420 | wpa_hexdump(MSG_DEBUG, " * vht_capabilities", |
4421 | (u8 *) params->vht_capabilities, | |
4422 | sizeof(*params->vht_capabilities)); | |
05a8d422 JB |
4423 | NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, |
4424 | sizeof(*params->vht_capabilities), | |
4425 | params->vht_capabilities); | |
4426 | } | |
4427 | ||
8a458116 MK |
4428 | if (params->vht_opmode_enabled) { |
4429 | wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode); | |
4430 | NLA_PUT_U8(msg, NL80211_ATTR_OPMODE_NOTIF, | |
4431 | params->vht_opmode); | |
4432 | } | |
4433 | ||
122d16f2 SD |
4434 | wpa_printf(MSG_DEBUG, " * capability=0x%x", params->capability); |
4435 | NLA_PUT_U16(msg, NL80211_ATTR_STA_CAPABILITY, params->capability); | |
4436 | ||
4437 | if (params->ext_capab) { | |
4438 | wpa_hexdump(MSG_DEBUG, " * ext_capab", | |
4439 | params->ext_capab, params->ext_capab_len); | |
4440 | NLA_PUT(msg, NL80211_ATTR_STA_EXT_CAPABILITY, | |
4441 | params->ext_capab_len, params->ext_capab); | |
4442 | } | |
4443 | ||
efc64886 SD |
4444 | if (params->supp_channels) { |
4445 | wpa_hexdump(MSG_DEBUG, " * supported channels", | |
4446 | params->supp_channels, params->supp_channels_len); | |
4447 | NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS, | |
4448 | params->supp_channels_len, params->supp_channels); | |
4449 | } | |
4450 | ||
4451 | if (params->supp_oper_classes) { | |
4452 | wpa_hexdump(MSG_DEBUG, " * supported operating classes", | |
4453 | params->supp_oper_classes, | |
4454 | params->supp_oper_classes_len); | |
4455 | NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES, | |
4456 | params->supp_oper_classes_len, | |
4457 | params->supp_oper_classes); | |
4458 | } | |
4459 | ||
95ab6063 | 4460 | os_memset(&upd, 0, sizeof(upd)); |
7e31703e BC |
4461 | upd.set = sta_flags_nl80211(params->flags); |
4462 | upd.mask = upd.set | sta_flags_nl80211(params->flags_mask); | |
e4dea253 JM |
4463 | wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x", |
4464 | upd.set, upd.mask); | |
95ab6063 AN |
4465 | NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd); |
4466 | ||
7c7e7877 BC |
4467 | #ifdef CONFIG_MESH |
4468 | if (params->plink_state) | |
4469 | NLA_PUT_U8(msg, NL80211_ATTR_STA_PLINK_STATE, | |
4470 | sta_plink_state_nl80211(params->plink_state)); | |
4471 | #endif /* CONFIG_MESH */ | |
4472 | ||
774bfa62 | 4473 | if (params->flags & WPA_STA_WMM) { |
8970bae8 JB |
4474 | struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME); |
4475 | ||
774bfa62 EP |
4476 | if (!wme) |
4477 | goto nla_put_failure; | |
4478 | ||
e4dea253 | 4479 | wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo); |
8970bae8 | 4480 | NLA_PUT_U8(msg, NL80211_STA_WME_UAPSD_QUEUES, |
5d061637 | 4481 | params->qosinfo & WMM_QOSINFO_STA_AC_MASK); |
8970bae8 | 4482 | NLA_PUT_U8(msg, NL80211_STA_WME_MAX_SP, |
bdaf1748 | 4483 | (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) & |
5d061637 | 4484 | WMM_QOSINFO_STA_SP_MASK); |
8970bae8 | 4485 | nla_nest_end(msg, wme); |
774bfa62 EP |
4486 | } |
4487 | ||
0f4e8b4f | 4488 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
5883168a | 4489 | msg = NULL; |
0f4e8b4f | 4490 | if (ret) |
45b722f1 AN |
4491 | wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION " |
4492 | "result: %d (%s)", params->set ? "SET" : "NEW", ret, | |
4493 | strerror(-ret)); | |
0f4e8b4f JM |
4494 | if (ret == -EEXIST) |
4495 | ret = 0; | |
4496 | nla_put_failure: | |
5883168a | 4497 | nlmsg_free(msg); |
0f4e8b4f JM |
4498 | return ret; |
4499 | } | |
4500 | ||
4501 | ||
97ed9a06 KP |
4502 | static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr) |
4503 | { | |
4504 | #ifdef CONFIG_LIBNL3_ROUTE | |
4505 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4506 | struct rtnl_neigh *rn; | |
4507 | struct nl_addr *nl_addr; | |
4508 | int err; | |
4509 | ||
4510 | rn = rtnl_neigh_alloc(); | |
4511 | if (!rn) | |
4512 | return; | |
4513 | ||
4514 | rtnl_neigh_set_family(rn, AF_BRIDGE); | |
4515 | rtnl_neigh_set_ifindex(rn, bss->ifindex); | |
4516 | nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN); | |
4517 | if (!nl_addr) { | |
4518 | rtnl_neigh_put(rn); | |
4519 | return; | |
4520 | } | |
4521 | rtnl_neigh_set_lladdr(rn, nl_addr); | |
4522 | ||
4523 | err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0); | |
4524 | if (err < 0) { | |
4525 | wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for " | |
4526 | MACSTR " ifindex=%d failed: %s", MAC2STR(addr), | |
4527 | bss->ifindex, nl_geterror(err)); | |
4528 | } else { | |
4529 | wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for " | |
4530 | MACSTR, MAC2STR(addr)); | |
4531 | } | |
4532 | ||
4533 | nl_addr_put(nl_addr); | |
4534 | rtnl_neigh_put(rn); | |
4535 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
4536 | } | |
4537 | ||
4538 | ||
59d7148a JM |
4539 | static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr, |
4540 | int deauth, u16 reason_code) | |
0f4e8b4f | 4541 | { |
a2e40bb6 | 4542 | struct wpa_driver_nl80211_data *drv = bss->drv; |
0f4e8b4f JM |
4543 | struct nl_msg *msg; |
4544 | int ret; | |
4545 | ||
4546 | msg = nlmsg_alloc(); | |
4547 | if (!msg) | |
4548 | return -ENOMEM; | |
4549 | ||
9fb04070 | 4550 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION); |
0f4e8b4f JM |
4551 | |
4552 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
a2e40bb6 | 4553 | if_nametoindex(bss->ifname)); |
0f4e8b4f | 4554 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); |
59d7148a JM |
4555 | if (deauth == 0) |
4556 | NLA_PUT_U8(msg, NL80211_ATTR_MGMT_SUBTYPE, | |
4557 | WLAN_FC_STYPE_DISASSOC); | |
4558 | else if (deauth == 1) | |
4559 | NLA_PUT_U8(msg, NL80211_ATTR_MGMT_SUBTYPE, | |
4560 | WLAN_FC_STYPE_DEAUTH); | |
4561 | if (reason_code) | |
4562 | NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code); | |
0f4e8b4f JM |
4563 | |
4564 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
83e7bb0e JM |
4565 | wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR |
4566 | " --> %d (%s)", | |
4567 | bss->ifname, MAC2STR(addr), ret, strerror(-ret)); | |
97ed9a06 KP |
4568 | |
4569 | if (drv->rtnl_sk) | |
4570 | rtnl_neigh_delete_fdb_entry(bss, addr); | |
4571 | ||
0f4e8b4f JM |
4572 | if (ret == -ENOENT) |
4573 | return 0; | |
4574 | return ret; | |
4575 | nla_put_failure: | |
5883168a | 4576 | nlmsg_free(msg); |
0f4e8b4f JM |
4577 | return -ENOBUFS; |
4578 | } | |
4579 | ||
1581b38b | 4580 | |
f3407c66 | 4581 | void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx) |
0915d02c JM |
4582 | { |
4583 | struct nl_msg *msg; | |
de884303 | 4584 | struct wpa_driver_nl80211_data *drv2; |
0915d02c | 4585 | |
c6e8e8e4 JM |
4586 | wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx); |
4587 | ||
2135f224 | 4588 | /* stop listening for EAPOL on this interface */ |
de884303 JM |
4589 | dl_list_for_each(drv2, &drv->global->interfaces, |
4590 | struct wpa_driver_nl80211_data, list) | |
4591 | del_ifidx(drv2, ifidx); | |
2135f224 | 4592 | |
0915d02c JM |
4593 | msg = nlmsg_alloc(); |
4594 | if (!msg) | |
4595 | goto nla_put_failure; | |
4596 | ||
9fb04070 | 4597 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE); |
0915d02c JM |
4598 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx); |
4599 | ||
4600 | if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) | |
4601 | return; | |
5883168a | 4602 | msg = NULL; |
0915d02c | 4603 | nla_put_failure: |
5883168a | 4604 | nlmsg_free(msg); |
e748062b | 4605 | wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx); |
0915d02c JM |
4606 | } |
4607 | ||
4608 | ||
a1922f93 JM |
4609 | static const char * nl80211_iftype_str(enum nl80211_iftype mode) |
4610 | { | |
4611 | switch (mode) { | |
4612 | case NL80211_IFTYPE_ADHOC: | |
4613 | return "ADHOC"; | |
4614 | case NL80211_IFTYPE_STATION: | |
4615 | return "STATION"; | |
4616 | case NL80211_IFTYPE_AP: | |
4617 | return "AP"; | |
1045ec36 JM |
4618 | case NL80211_IFTYPE_AP_VLAN: |
4619 | return "AP_VLAN"; | |
4620 | case NL80211_IFTYPE_WDS: | |
4621 | return "WDS"; | |
a1922f93 JM |
4622 | case NL80211_IFTYPE_MONITOR: |
4623 | return "MONITOR"; | |
1045ec36 JM |
4624 | case NL80211_IFTYPE_MESH_POINT: |
4625 | return "MESH_POINT"; | |
a1922f93 JM |
4626 | case NL80211_IFTYPE_P2P_CLIENT: |
4627 | return "P2P_CLIENT"; | |
4628 | case NL80211_IFTYPE_P2P_GO: | |
4629 | return "P2P_GO"; | |
7aad838c NS |
4630 | case NL80211_IFTYPE_P2P_DEVICE: |
4631 | return "P2P_DEVICE"; | |
a1922f93 JM |
4632 | default: |
4633 | return "unknown"; | |
4634 | } | |
4635 | } | |
4636 | ||
4637 | ||
a35187e7 KH |
4638 | static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv, |
4639 | const char *ifname, | |
4640 | enum nl80211_iftype iftype, | |
d6dcfcda DS |
4641 | const u8 *addr, int wds, |
4642 | int (*handler)(struct nl_msg *, void *), | |
4643 | void *arg) | |
0915d02c | 4644 | { |
8970bae8 | 4645 | struct nl_msg *msg; |
0915d02c JM |
4646 | int ifidx; |
4647 | int ret = -ENOBUFS; | |
4648 | ||
a1922f93 JM |
4649 | wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)", |
4650 | iftype, nl80211_iftype_str(iftype)); | |
4651 | ||
0915d02c JM |
4652 | msg = nlmsg_alloc(); |
4653 | if (!msg) | |
4654 | return -1; | |
4655 | ||
9fb04070 | 4656 | nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_INTERFACE); |
834ee56f | 4657 | if (nl80211_set_iface_id(msg, drv->first_bss) < 0) |
fa93de40 | 4658 | goto nla_put_failure; |
0915d02c JM |
4659 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname); |
4660 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype); | |
4661 | ||
4662 | if (iftype == NL80211_IFTYPE_MONITOR) { | |
8970bae8 | 4663 | struct nlattr *flags; |
0915d02c | 4664 | |
8970bae8 | 4665 | flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS); |
0915d02c JM |
4666 | if (!flags) |
4667 | goto nla_put_failure; | |
4668 | ||
8970bae8 | 4669 | NLA_PUT_FLAG(msg, NL80211_MNTR_FLAG_COOK_FRAMES); |
0915d02c | 4670 | |
8970bae8 | 4671 | nla_nest_end(msg, flags); |
fbbfcbac FF |
4672 | } else if (wds) { |
4673 | NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds); | |
0915d02c JM |
4674 | } |
4675 | ||
52f5877a IP |
4676 | /* |
4677 | * Tell cfg80211 that the interface belongs to the socket that created | |
4678 | * it, and the interface should be deleted when the socket is closed. | |
4679 | */ | |
4680 | NLA_PUT_FLAG(msg, NL80211_ATTR_IFACE_SOCKET_OWNER); | |
4681 | ||
d6dcfcda | 4682 | ret = send_and_recv_msgs(drv, msg, handler, arg); |
5883168a | 4683 | msg = NULL; |
0915d02c JM |
4684 | if (ret) { |
4685 | nla_put_failure: | |
5883168a | 4686 | nlmsg_free(msg); |
a35187e7 KH |
4687 | wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)", |
4688 | ifname, ret, strerror(-ret)); | |
0915d02c JM |
4689 | return ret; |
4690 | } | |
4691 | ||
f632e483 | 4692 | if (iftype == NL80211_IFTYPE_P2P_DEVICE) |
6bae92e0 | 4693 | return 0; |
6bae92e0 | 4694 | |
0915d02c | 4695 | ifidx = if_nametoindex(ifname); |
c6e8e8e4 JM |
4696 | wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d", |
4697 | ifname, ifidx); | |
0915d02c JM |
4698 | |
4699 | if (ifidx <= 0) | |
4700 | return -1; | |
4701 | ||
147848ec JM |
4702 | /* |
4703 | * Some virtual interfaces need to process EAPOL packets and events on | |
4704 | * the parent interface. This is used mainly with hostapd. | |
4705 | */ | |
4706 | if (drv->hostapd || | |
4707 | iftype == NL80211_IFTYPE_AP_VLAN || | |
4708 | iftype == NL80211_IFTYPE_WDS || | |
4709 | iftype == NL80211_IFTYPE_MONITOR) { | |
4710 | /* start listening for EAPOL on this interface */ | |
4711 | add_ifidx(drv, ifidx); | |
4712 | } | |
2135f224 | 4713 | |
7bfc47c3 | 4714 | if (addr && iftype != NL80211_IFTYPE_MONITOR && |
c81eff1a | 4715 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) { |
41d931ee JM |
4716 | nl80211_remove_iface(drv, ifidx); |
4717 | return -1; | |
2135f224 | 4718 | } |
2135f224 | 4719 | |
0915d02c JM |
4720 | return ifidx; |
4721 | } | |
22a7c9d7 JM |
4722 | |
4723 | ||
f3407c66 JM |
4724 | int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, |
4725 | const char *ifname, enum nl80211_iftype iftype, | |
4726 | const u8 *addr, int wds, | |
4727 | int (*handler)(struct nl_msg *, void *), | |
4728 | void *arg, int use_existing) | |
a35187e7 KH |
4729 | { |
4730 | int ret; | |
4731 | ||
d6dcfcda DS |
4732 | ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler, |
4733 | arg); | |
a35187e7 | 4734 | |
ffbf1eaa | 4735 | /* if error occurred and interface exists already */ |
a35187e7 | 4736 | if (ret == -ENFILE && if_nametoindex(ifname)) { |
2aec4f3c JM |
4737 | if (use_existing) { |
4738 | wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s", | |
4739 | ifname); | |
6997f8ba JM |
4740 | if (addr && iftype != NL80211_IFTYPE_MONITOR && |
4741 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, | |
4742 | addr) < 0 && | |
4743 | (linux_set_iface_flags(drv->global->ioctl_sock, | |
4744 | ifname, 0) < 0 || | |
4745 | linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, | |
4746 | addr) < 0 || | |
4747 | linux_set_iface_flags(drv->global->ioctl_sock, | |
4748 | ifname, 1) < 0)) | |
4749 | return -1; | |
2aec4f3c JM |
4750 | return -ENFILE; |
4751 | } | |
a35187e7 KH |
4752 | wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname); |
4753 | ||
4754 | /* Try to remove the interface that was already there. */ | |
4755 | nl80211_remove_iface(drv, if_nametoindex(ifname)); | |
4756 | ||
4757 | /* Try to create the interface again */ | |
fbbfcbac | 4758 | ret = nl80211_create_iface_once(drv, ifname, iftype, addr, |
d6dcfcda | 4759 | wds, handler, arg); |
a35187e7 KH |
4760 | } |
4761 | ||
6a71413e | 4762 | if (ret >= 0 && is_p2p_net_interface(iftype)) |
4e5cb1a3 JM |
4763 | nl80211_disable_11b_rates(drv, ret, 1); |
4764 | ||
a35187e7 KH |
4765 | return ret; |
4766 | } | |
0915d02c | 4767 | |
2135f224 | 4768 | |
3fd1cefb JB |
4769 | static int nl80211_setup_ap(struct i802_bss *bss) |
4770 | { | |
4771 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4772 | ||
748c0ac0 JM |
4773 | wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d", |
4774 | bss->ifname, drv->device_ap_sme, drv->use_monitor); | |
36488c05 | 4775 | |
a11241fa JB |
4776 | /* |
4777 | * Disable Probe Request reporting unless we need it in this way for | |
4778 | * devices that include the AP SME, in the other case (unless using | |
4779 | * monitor iface) we'll get it through the nl_mgmt socket instead. | |
4780 | */ | |
4781 | if (!drv->device_ap_sme) | |
4782 | wpa_driver_nl80211_probe_req_report(bss, 0); | |
4783 | ||
4784 | if (!drv->device_ap_sme && !drv->use_monitor) | |
4785 | if (nl80211_mgmt_subscribe_ap(bss)) | |
4786 | return -1; | |
4787 | ||
a6cc0602 JM |
4788 | if (drv->device_ap_sme && !drv->use_monitor) |
4789 | if (nl80211_mgmt_subscribe_ap_dev_sme(bss)) | |
4790 | return -1; | |
4791 | ||
a11241fa | 4792 | if (!drv->device_ap_sme && drv->use_monitor && |
3fd1cefb JB |
4793 | nl80211_create_monitor_interface(drv) && |
4794 | !drv->device_ap_sme) | |
4795 | return -1; | |
4796 | ||
4797 | if (drv->device_ap_sme && | |
4798 | wpa_driver_nl80211_probe_req_report(bss, 1) < 0) { | |
4799 | wpa_printf(MSG_DEBUG, "nl80211: Failed to enable " | |
4800 | "Probe Request frame reporting in AP mode"); | |
4801 | /* Try to survive without this */ | |
4802 | } | |
4803 | ||
4804 | return 0; | |
4805 | } | |
4806 | ||
4807 | ||
4808 | static void nl80211_teardown_ap(struct i802_bss *bss) | |
4809 | { | |
4810 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
4811 | ||
748c0ac0 JM |
4812 | wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d", |
4813 | bss->ifname, drv->device_ap_sme, drv->use_monitor); | |
a6cc0602 | 4814 | if (drv->device_ap_sme) { |
3fd1cefb | 4815 | wpa_driver_nl80211_probe_req_report(bss, 0); |
a6cc0602 JM |
4816 | if (!drv->use_monitor) |
4817 | nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)"); | |
4818 | } else if (drv->use_monitor) | |
3fd1cefb | 4819 | nl80211_remove_monitor_interface(drv); |
a11241fa | 4820 | else |
36488c05 | 4821 | nl80211_mgmt_unsubscribe(bss, "AP teardown"); |
a11241fa | 4822 | |
3fd1cefb JB |
4823 | bss->beacon_set = 0; |
4824 | } | |
4825 | ||
4826 | ||
f10bfc9a JM |
4827 | static int nl80211_send_eapol_data(struct i802_bss *bss, |
4828 | const u8 *addr, const u8 *data, | |
d12dab4c | 4829 | size_t data_len) |
f10bfc9a | 4830 | { |
d12dab4c JB |
4831 | struct sockaddr_ll ll; |
4832 | int ret; | |
4833 | ||
4834 | if (bss->drv->eapol_tx_sock < 0) { | |
4835 | wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL"); | |
f10bfc9a JM |
4836 | return -1; |
4837 | } | |
4838 | ||
d12dab4c JB |
4839 | os_memset(&ll, 0, sizeof(ll)); |
4840 | ll.sll_family = AF_PACKET; | |
4841 | ll.sll_ifindex = bss->ifindex; | |
4842 | ll.sll_protocol = htons(ETH_P_PAE); | |
4843 | ll.sll_halen = ETH_ALEN; | |
4844 | os_memcpy(ll.sll_addr, addr, ETH_ALEN); | |
4845 | ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0, | |
4846 | (struct sockaddr *) &ll, sizeof(ll)); | |
4847 | if (ret < 0) | |
4848 | wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s", | |
4849 | strerror(errno)); | |
4850 | ||
4851 | return ret; | |
f10bfc9a | 4852 | } |
5fb1a232 | 4853 | |
f10bfc9a | 4854 | |
db149ac9 JM |
4855 | static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; |
4856 | ||
4857 | static int wpa_driver_nl80211_hapd_send_eapol( | |
4858 | void *priv, const u8 *addr, const u8 *data, | |
4378fc14 | 4859 | size_t data_len, int encrypt, const u8 *own_addr, u32 flags) |
db149ac9 | 4860 | { |
a2e40bb6 FF |
4861 | struct i802_bss *bss = priv; |
4862 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
db149ac9 JM |
4863 | struct ieee80211_hdr *hdr; |
4864 | size_t len; | |
4865 | u8 *pos; | |
4866 | int res; | |
4378fc14 | 4867 | int qos = flags & WPA_STA_WMM; |
db149ac9 | 4868 | |
a11241fa | 4869 | if (drv->device_ap_sme || !drv->use_monitor) |
d12dab4c | 4870 | return nl80211_send_eapol_data(bss, addr, data, data_len); |
f10bfc9a | 4871 | |
db149ac9 JM |
4872 | len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 + |
4873 | data_len; | |
4874 | hdr = os_zalloc(len); | |
4875 | if (hdr == NULL) { | |
7ac3616d JM |
4876 | wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)", |
4877 | (unsigned long) len); | |
db149ac9 JM |
4878 | return -1; |
4879 | } | |
4880 | ||
4881 | hdr->frame_control = | |
4882 | IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA); | |
4883 | hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS); | |
4884 | if (encrypt) | |
4885 | hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP); | |
db149ac9 JM |
4886 | if (qos) { |
4887 | hdr->frame_control |= | |
4888 | host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4); | |
4889 | } | |
db149ac9 JM |
4890 | |
4891 | memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN); | |
4892 | memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); | |
4893 | memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); | |
4894 | pos = (u8 *) (hdr + 1); | |
4895 | ||
db149ac9 | 4896 | if (qos) { |
92d521d8 FF |
4897 | /* Set highest priority in QoS header */ |
4898 | pos[0] = 7; | |
db149ac9 JM |
4899 | pos[1] = 0; |
4900 | pos += 2; | |
4901 | } | |
db149ac9 JM |
4902 | |
4903 | memcpy(pos, rfc1042_header, sizeof(rfc1042_header)); | |
4904 | pos += sizeof(rfc1042_header); | |
4905 | WPA_PUT_BE16(pos, ETH_P_PAE); | |
4906 | pos += 2; | |
4907 | memcpy(pos, data, data_len); | |
4908 | ||
55231068 JM |
4909 | res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0, |
4910 | 0, 0, 0, 0); | |
db149ac9 JM |
4911 | if (res < 0) { |
4912 | wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - " | |
4913 | "failed: %d (%s)", | |
4914 | (unsigned long) len, errno, strerror(errno)); | |
4915 | } | |
7bf12757 | 4916 | os_free(hdr); |
db149ac9 JM |
4917 | |
4918 | return res; | |
4919 | } | |
4920 | ||
a8d6ffa4 | 4921 | |
3234cba4 JM |
4922 | static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr, |
4923 | int total_flags, | |
4c32757d | 4924 | int flags_or, int flags_and) |
a8d6ffa4 | 4925 | { |
a2e40bb6 FF |
4926 | struct i802_bss *bss = priv; |
4927 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8970bae8 JB |
4928 | struct nl_msg *msg; |
4929 | struct nlattr *flags; | |
7e76ee9c | 4930 | struct nl80211_sta_flag_update upd; |
a8d6ffa4 | 4931 | |
0cd9846c JM |
4932 | wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR |
4933 | " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d", | |
4934 | bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and, | |
4935 | !!(total_flags & WPA_STA_AUTHORIZED)); | |
4936 | ||
a8d6ffa4 JM |
4937 | msg = nlmsg_alloc(); |
4938 | if (!msg) | |
4939 | return -ENOMEM; | |
4940 | ||
9fb04070 | 4941 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); |
a8d6ffa4 JM |
4942 | |
4943 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
3234cba4 | 4944 | if_nametoindex(bss->ifname)); |
a8d6ffa4 JM |
4945 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); |
4946 | ||
7e76ee9c JM |
4947 | /* |
4948 | * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This | |
4949 | * can be removed eventually. | |
4950 | */ | |
8970bae8 JB |
4951 | flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS); |
4952 | if (!flags) | |
4953 | goto nla_put_failure; | |
0de39516 | 4954 | if (total_flags & WPA_STA_AUTHORIZED) |
8970bae8 | 4955 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_AUTHORIZED); |
a8d6ffa4 | 4956 | |
0de39516 | 4957 | if (total_flags & WPA_STA_WMM) |
8970bae8 | 4958 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_WME); |
a8d6ffa4 | 4959 | |
0de39516 | 4960 | if (total_flags & WPA_STA_SHORT_PREAMBLE) |
8970bae8 | 4961 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_SHORT_PREAMBLE); |
a8d6ffa4 | 4962 | |
0de39516 | 4963 | if (total_flags & WPA_STA_MFP) |
8970bae8 | 4964 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_MFP); |
a8d6ffa4 | 4965 | |
45b722f1 | 4966 | if (total_flags & WPA_STA_TDLS_PEER) |
8970bae8 | 4967 | NLA_PUT_FLAG(msg, NL80211_STA_FLAG_TDLS_PEER); |
45b722f1 | 4968 | |
8970bae8 | 4969 | nla_nest_end(msg, flags); |
a8d6ffa4 | 4970 | |
7e76ee9c JM |
4971 | os_memset(&upd, 0, sizeof(upd)); |
4972 | upd.mask = sta_flags_nl80211(flags_or | ~flags_and); | |
4973 | upd.set = sta_flags_nl80211(flags_or); | |
4974 | NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd); | |
4975 | ||
a8d6ffa4 JM |
4976 | return send_and_recv_msgs(drv, msg, NULL, NULL); |
4977 | nla_put_failure: | |
5883168a | 4978 | nlmsg_free(msg); |
a8d6ffa4 JM |
4979 | return -ENOBUFS; |
4980 | } | |
4981 | ||
0915d02c | 4982 | |
1581b38b JM |
4983 | static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv, |
4984 | struct wpa_driver_associate_params *params) | |
4985 | { | |
708bc8e0 | 4986 | enum nl80211_iftype nlmode, old_mode; |
b1f625e0 EP |
4987 | |
4988 | if (params->p2p) { | |
046b26a2 JM |
4989 | wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P " |
4990 | "group (GO)"); | |
b1f625e0 EP |
4991 | nlmode = NL80211_IFTYPE_P2P_GO; |
4992 | } else | |
4993 | nlmode = NL80211_IFTYPE_AP; | |
4994 | ||
708bc8e0 | 4995 | old_mode = drv->nlmode; |
834ee56f | 4996 | if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) { |
708bc8e0 JM |
4997 | nl80211_remove_monitor_interface(drv); |
4998 | return -1; | |
4999 | } | |
5000 | ||
4ec68377 | 5001 | if (nl80211_set_channel(drv->first_bss, ¶ms->freq, 0)) { |
708bc8e0 | 5002 | if (old_mode != nlmode) |
834ee56f | 5003 | wpa_driver_nl80211_set_mode(drv->first_bss, old_mode); |
460456f8 | 5004 | nl80211_remove_monitor_interface(drv); |
1581b38b | 5005 | return -1; |
0915d02c | 5006 | } |
1581b38b | 5007 | |
1581b38b JM |
5008 | return 0; |
5009 | } | |
1581b38b JM |
5010 | |
5011 | ||
5cc4d64b JM |
5012 | static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv) |
5013 | { | |
5014 | struct nl_msg *msg; | |
5015 | int ret = -1; | |
5016 | ||
5017 | msg = nlmsg_alloc(); | |
5018 | if (!msg) | |
5019 | return -1; | |
5020 | ||
9fb04070 | 5021 | nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_IBSS); |
5cc4d64b JM |
5022 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
5023 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5024 | msg = NULL; | |
5025 | if (ret) { | |
5026 | wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d " | |
5027 | "(%s)", ret, strerror(-ret)); | |
5028 | goto nla_put_failure; | |
5029 | } | |
5030 | ||
5031 | ret = 0; | |
5032 | wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully"); | |
5033 | ||
5034 | nla_put_failure: | |
834ee56f | 5035 | if (wpa_driver_nl80211_set_mode(drv->first_bss, |
5d4c78fb JM |
5036 | NL80211_IFTYPE_STATION)) { |
5037 | wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " | |
5038 | "station mode"); | |
5039 | } | |
5040 | ||
5cc4d64b JM |
5041 | nlmsg_free(msg); |
5042 | return ret; | |
5043 | } | |
5044 | ||
5045 | ||
5046 | static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv, | |
5047 | struct wpa_driver_associate_params *params) | |
5048 | { | |
5049 | struct nl_msg *msg; | |
5050 | int ret = -1; | |
5051 | int count = 0; | |
5052 | ||
5053 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex); | |
5054 | ||
4ec68377 | 5055 | if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, ¶ms->freq)) { |
5cc4d64b JM |
5056 | wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " |
5057 | "IBSS mode"); | |
5058 | return -1; | |
5059 | } | |
5060 | ||
5061 | retry: | |
5062 | msg = nlmsg_alloc(); | |
5063 | if (!msg) | |
5064 | return -1; | |
5065 | ||
9fb04070 | 5066 | nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_IBSS); |
5cc4d64b JM |
5067 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
5068 | ||
5069 | if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid)) | |
5070 | goto nla_put_failure; | |
5071 | ||
5072 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
5073 | params->ssid, params->ssid_len); | |
5074 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, | |
5075 | params->ssid); | |
5076 | os_memcpy(drv->ssid, params->ssid, params->ssid_len); | |
5077 | drv->ssid_len = params->ssid_len; | |
5078 | ||
4ec68377 JD |
5079 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq); |
5080 | wpa_printf(MSG_DEBUG, " * ht_enabled=%d", params->freq.ht_enabled); | |
5081 | wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d", | |
5082 | params->freq.sec_channel_offset); | |
5083 | wpa_printf(MSG_DEBUG, " * vht_enabled=%d", params->freq.vht_enabled); | |
5084 | wpa_printf(MSG_DEBUG, " * center_freq1=%d", params->freq.center_freq1); | |
5085 | wpa_printf(MSG_DEBUG, " * center_freq2=%d", params->freq.center_freq2); | |
5086 | wpa_printf(MSG_DEBUG, " * bandwidth=%d", params->freq.bandwidth); | |
5087 | if (nl80211_put_freq_params(msg, ¶ms->freq) < 0) | |
5088 | goto nla_put_failure; | |
5cc4d64b | 5089 | |
8f05577d JM |
5090 | if (params->beacon_int > 0) { |
5091 | wpa_printf(MSG_DEBUG, " * beacon_int=%d", params->beacon_int); | |
5092 | NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, | |
5093 | params->beacon_int); | |
5094 | } | |
5095 | ||
5cc4d64b JM |
5096 | ret = nl80211_set_conn_keys(params, msg); |
5097 | if (ret) | |
5098 | goto nla_put_failure; | |
5099 | ||
913e3cf7 NC |
5100 | if (params->bssid && params->fixed_bssid) { |
5101 | wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR, | |
5102 | MAC2STR(params->bssid)); | |
5103 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid); | |
5104 | } | |
5105 | ||
4848a38d JM |
5106 | if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || |
5107 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
5108 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || | |
5109 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) { | |
e640888c AQ |
5110 | wpa_printf(MSG_DEBUG, " * control port"); |
5111 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT); | |
5112 | } | |
5113 | ||
a95795ad JM |
5114 | if (params->wpa_ie) { |
5115 | wpa_hexdump(MSG_DEBUG, | |
5116 | " * Extra IEs for Beacon/Probe Response frames", | |
5117 | params->wpa_ie, params->wpa_ie_len); | |
5118 | NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len, | |
5119 | params->wpa_ie); | |
5120 | } | |
5121 | ||
5cc4d64b JM |
5122 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
5123 | msg = NULL; | |
5124 | if (ret) { | |
5125 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)", | |
5126 | ret, strerror(-ret)); | |
5127 | count++; | |
5128 | if (ret == -EALREADY && count == 1) { | |
5129 | wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after " | |
5130 | "forced leave"); | |
5131 | nl80211_leave_ibss(drv); | |
5132 | nlmsg_free(msg); | |
5133 | goto retry; | |
5134 | } | |
5135 | ||
5136 | goto nla_put_failure; | |
5137 | } | |
5138 | ret = 0; | |
5139 | wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully"); | |
5140 | ||
5141 | nla_put_failure: | |
5142 | nlmsg_free(msg); | |
5143 | return ret; | |
5144 | } | |
5145 | ||
5146 | ||
a0bdd191 JM |
5147 | static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv, |
5148 | struct wpa_driver_associate_params *params, | |
5149 | struct nl_msg *msg) | |
cfaab580 | 5150 | { |
cfaab580 | 5151 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
a0bdd191 | 5152 | |
cfaab580 ZY |
5153 | if (params->bssid) { |
5154 | wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, | |
5155 | MAC2STR(params->bssid)); | |
5156 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid); | |
5157 | } | |
a0bdd191 | 5158 | |
7ac7fd43 DS |
5159 | if (params->bssid_hint) { |
5160 | wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR, | |
5161 | MAC2STR(params->bssid_hint)); | |
5162 | NLA_PUT(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN, | |
5163 | params->bssid_hint); | |
5164 | } | |
5165 | ||
4ec68377 JD |
5166 | if (params->freq.freq) { |
5167 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq); | |
5168 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq.freq); | |
5169 | drv->assoc_freq = params->freq.freq; | |
30158a0d SD |
5170 | } else |
5171 | drv->assoc_freq = 0; | |
a0bdd191 | 5172 | |
7ac7fd43 DS |
5173 | if (params->freq_hint) { |
5174 | wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint); | |
5175 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ_HINT, | |
5176 | params->freq_hint); | |
5177 | } | |
5178 | ||
1f6c0ab8 BS |
5179 | if (params->bg_scan_period >= 0) { |
5180 | wpa_printf(MSG_DEBUG, " * bg scan period=%d", | |
5181 | params->bg_scan_period); | |
5182 | NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD, | |
5183 | params->bg_scan_period); | |
5184 | } | |
a0bdd191 | 5185 | |
cfaab580 ZY |
5186 | if (params->ssid) { |
5187 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
5188 | params->ssid, params->ssid_len); | |
5189 | NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, | |
5190 | params->ssid); | |
5191 | if (params->ssid_len > sizeof(drv->ssid)) | |
5192 | goto nla_put_failure; | |
5193 | os_memcpy(drv->ssid, params->ssid, params->ssid_len); | |
5194 | drv->ssid_len = params->ssid_len; | |
5195 | } | |
a0bdd191 | 5196 | |
cfaab580 ZY |
5197 | wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len); |
5198 | if (params->wpa_ie) | |
5199 | NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len, | |
5200 | params->wpa_ie); | |
5201 | ||
64fa840a JM |
5202 | if (params->wpa_proto) { |
5203 | enum nl80211_wpa_versions ver = 0; | |
cfaab580 | 5204 | |
64fa840a JM |
5205 | if (params->wpa_proto & WPA_PROTO_WPA) |
5206 | ver |= NL80211_WPA_VERSION_1; | |
5207 | if (params->wpa_proto & WPA_PROTO_RSN) | |
5208 | ver |= NL80211_WPA_VERSION_2; | |
cfaab580 | 5209 | |
64fa840a | 5210 | wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver); |
cfaab580 ZY |
5211 | NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver); |
5212 | } | |
5213 | ||
4848a38d | 5214 | if (params->pairwise_suite != WPA_CIPHER_NONE) { |
a0bdd191 JM |
5215 | u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite); |
5216 | wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher); | |
5217 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher); | |
cfaab580 ZY |
5218 | } |
5219 | ||
ae6f9272 JM |
5220 | if (params->group_suite == WPA_CIPHER_GTK_NOT_USED && |
5221 | !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) { | |
5222 | /* | |
5223 | * This is likely to work even though many drivers do not | |
5224 | * advertise support for operations without GTK. | |
5225 | */ | |
5226 | wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement"); | |
5227 | } else if (params->group_suite != WPA_CIPHER_NONE) { | |
a0bdd191 JM |
5228 | u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite); |
5229 | wpa_printf(MSG_DEBUG, " * group=0x%x", cipher); | |
5230 | NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher); | |
cfaab580 ZY |
5231 | } |
5232 | ||
4848a38d JM |
5233 | if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || |
5234 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
5235 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X || | |
5236 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK || | |
163f801e | 5237 | params->key_mgmt_suite == WPA_KEY_MGMT_CCKM || |
8802326f JJ |
5238 | params->key_mgmt_suite == WPA_KEY_MGMT_OSEN || |
5239 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || | |
666497c8 JM |
5240 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 || |
5241 | params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B) { | |
cfaab580 ZY |
5242 | int mgmt = WLAN_AKM_SUITE_PSK; |
5243 | ||
5244 | switch (params->key_mgmt_suite) { | |
4848a38d | 5245 | case WPA_KEY_MGMT_CCKM: |
369c8d7b JM |
5246 | mgmt = WLAN_AKM_SUITE_CCKM; |
5247 | break; | |
4848a38d | 5248 | case WPA_KEY_MGMT_IEEE8021X: |
cfaab580 ZY |
5249 | mgmt = WLAN_AKM_SUITE_8021X; |
5250 | break; | |
4848a38d | 5251 | case WPA_KEY_MGMT_FT_IEEE8021X: |
6a1ce395 DG |
5252 | mgmt = WLAN_AKM_SUITE_FT_8021X; |
5253 | break; | |
4848a38d | 5254 | case WPA_KEY_MGMT_FT_PSK: |
6a1ce395 DG |
5255 | mgmt = WLAN_AKM_SUITE_FT_PSK; |
5256 | break; | |
8802326f JJ |
5257 | case WPA_KEY_MGMT_IEEE8021X_SHA256: |
5258 | mgmt = WLAN_AKM_SUITE_8021X_SHA256; | |
5259 | break; | |
5260 | case WPA_KEY_MGMT_PSK_SHA256: | |
5261 | mgmt = WLAN_AKM_SUITE_PSK_SHA256; | |
5262 | break; | |
163f801e JM |
5263 | case WPA_KEY_MGMT_OSEN: |
5264 | mgmt = WLAN_AKM_SUITE_OSEN; | |
5265 | break; | |
666497c8 JM |
5266 | case WPA_KEY_MGMT_IEEE8021X_SUITE_B: |
5267 | mgmt = WLAN_AKM_SUITE_8021X_SUITE_B; | |
5268 | break; | |
4848a38d | 5269 | case WPA_KEY_MGMT_PSK: |
cfaab580 ZY |
5270 | default: |
5271 | mgmt = WLAN_AKM_SUITE_PSK; | |
5272 | break; | |
5273 | } | |
163f801e | 5274 | wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt); |
cfaab580 ZY |
5275 | NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt); |
5276 | } | |
5277 | ||
a0bdd191 JM |
5278 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT); |
5279 | ||
8b706a99 JM |
5280 | if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED) |
5281 | NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED); | |
a565084f | 5282 | |
80e8a5ee BG |
5283 | if (params->disable_ht) |
5284 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT); | |
5285 | ||
5286 | if (params->htcaps && params->htcaps_mask) { | |
5287 | int sz = sizeof(struct ieee80211_ht_capabilities); | |
6d99bd80 | 5288 | wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz); |
80e8a5ee | 5289 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps); |
6d99bd80 JM |
5290 | wpa_hexdump(MSG_DEBUG, " * htcaps_mask", |
5291 | params->htcaps_mask, sz); | |
80e8a5ee BG |
5292 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz, |
5293 | params->htcaps_mask); | |
5294 | } | |
5295 | ||
e9ee8dc3 JB |
5296 | #ifdef CONFIG_VHT_OVERRIDES |
5297 | if (params->disable_vht) { | |
5298 | wpa_printf(MSG_DEBUG, " * VHT disabled"); | |
5299 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT); | |
5300 | } | |
5301 | ||
5302 | if (params->vhtcaps && params->vhtcaps_mask) { | |
5303 | int sz = sizeof(struct ieee80211_vht_capabilities); | |
6d99bd80 | 5304 | wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz); |
e9ee8dc3 | 5305 | NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps); |
6d99bd80 JM |
5306 | wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask", |
5307 | params->vhtcaps_mask, sz); | |
e9ee8dc3 JB |
5308 | NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz, |
5309 | params->vhtcaps_mask); | |
5310 | } | |
5311 | #endif /* CONFIG_VHT_OVERRIDES */ | |
5312 | ||
a0bdd191 JM |
5313 | if (params->p2p) |
5314 | wpa_printf(MSG_DEBUG, " * P2P group"); | |
5315 | ||
5316 | return 0; | |
5317 | nla_put_failure: | |
5318 | return -1; | |
5319 | } | |
5320 | ||
5321 | ||
5322 | static int wpa_driver_nl80211_try_connect( | |
5323 | struct wpa_driver_nl80211_data *drv, | |
5324 | struct wpa_driver_associate_params *params) | |
5325 | { | |
5326 | struct nl_msg *msg; | |
5327 | enum nl80211_auth_type type; | |
5328 | int ret; | |
5329 | int algs; | |
5330 | ||
b41f2684 CL |
5331 | if (params->req_key_mgmt_offload && params->psk && |
5332 | (params->key_mgmt_suite == WPA_KEY_MGMT_PSK || | |
5333 | params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 || | |
5334 | params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) { | |
5335 | wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK"); | |
5336 | ret = issue_key_mgmt_set_key(drv, params->psk, 32); | |
5337 | if (ret) | |
5338 | return ret; | |
5339 | } | |
5340 | ||
a0bdd191 JM |
5341 | msg = nlmsg_alloc(); |
5342 | if (!msg) | |
5343 | return -1; | |
5344 | ||
5345 | wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex); | |
5346 | nl80211_cmd(drv, msg, 0, NL80211_CMD_CONNECT); | |
5347 | ||
5348 | ret = nl80211_connect_common(drv, params, msg); | |
5349 | if (ret) | |
5350 | goto nla_put_failure; | |
5351 | ||
5352 | algs = 0; | |
5353 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) | |
5354 | algs++; | |
5355 | if (params->auth_alg & WPA_AUTH_ALG_SHARED) | |
5356 | algs++; | |
5357 | if (params->auth_alg & WPA_AUTH_ALG_LEAP) | |
5358 | algs++; | |
5359 | if (algs > 1) { | |
5360 | wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic " | |
5361 | "selection"); | |
5362 | goto skip_auth_type; | |
5363 | } | |
5364 | ||
5365 | if (params->auth_alg & WPA_AUTH_ALG_OPEN) | |
5366 | type = NL80211_AUTHTYPE_OPEN_SYSTEM; | |
5367 | else if (params->auth_alg & WPA_AUTH_ALG_SHARED) | |
5368 | type = NL80211_AUTHTYPE_SHARED_KEY; | |
5369 | else if (params->auth_alg & WPA_AUTH_ALG_LEAP) | |
5370 | type = NL80211_AUTHTYPE_NETWORK_EAP; | |
5371 | else if (params->auth_alg & WPA_AUTH_ALG_FT) | |
5372 | type = NL80211_AUTHTYPE_FT; | |
5373 | else | |
5374 | goto nla_put_failure; | |
5375 | ||
5376 | wpa_printf(MSG_DEBUG, " * Auth Type %d", type); | |
5377 | NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type); | |
5378 | ||
5379 | skip_auth_type: | |
cfaab580 ZY |
5380 | ret = nl80211_set_conn_keys(params, msg); |
5381 | if (ret) | |
5382 | goto nla_put_failure; | |
5383 | ||
5384 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5385 | msg = NULL; | |
5386 | if (ret) { | |
5387 | wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d " | |
5388 | "(%s)", ret, strerror(-ret)); | |
5389 | goto nla_put_failure; | |
5390 | } | |
5391 | ret = 0; | |
5392 | wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully"); | |
5393 | ||
5394 | nla_put_failure: | |
5395 | nlmsg_free(msg); | |
5396 | return ret; | |
5397 | ||
5398 | } | |
5399 | ||
5400 | ||
a8c5b43a CW |
5401 | static int wpa_driver_nl80211_connect( |
5402 | struct wpa_driver_nl80211_data *drv, | |
5403 | struct wpa_driver_associate_params *params) | |
5404 | { | |
5405 | int ret = wpa_driver_nl80211_try_connect(drv, params); | |
5406 | if (ret == -EALREADY) { | |
5407 | /* | |
5408 | * cfg80211 does not currently accept new connections if | |
5409 | * we are already connected. As a workaround, force | |
5410 | * disconnection and try again. | |
5411 | */ | |
5412 | wpa_printf(MSG_DEBUG, "nl80211: Explicitly " | |
5413 | "disconnecting before reassociation " | |
5414 | "attempt"); | |
5415 | if (wpa_driver_nl80211_disconnect( | |
5416 | drv, WLAN_REASON_PREV_AUTH_NOT_VALID)) | |
5417 | return -1; | |
a8c5b43a CW |
5418 | ret = wpa_driver_nl80211_try_connect(drv, params); |
5419 | } | |
5420 | return ret; | |
5421 | } | |
5422 | ||
5423 | ||
c2a04078 JM |
5424 | static int wpa_driver_nl80211_associate( |
5425 | void *priv, struct wpa_driver_associate_params *params) | |
5426 | { | |
a2e40bb6 FF |
5427 | struct i802_bss *bss = priv; |
5428 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
a0bdd191 | 5429 | int ret; |
c2a04078 JM |
5430 | struct nl_msg *msg; |
5431 | ||
5cc4d64b | 5432 | if (params->mode == IEEE80211_MODE_AP) |
1581b38b | 5433 | return wpa_driver_nl80211_ap(drv, params); |
1581b38b | 5434 | |
5cc4d64b JM |
5435 | if (params->mode == IEEE80211_MODE_IBSS) |
5436 | return wpa_driver_nl80211_ibss(drv, params); | |
5437 | ||
4a867032 | 5438 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) { |
b1f625e0 EP |
5439 | enum nl80211_iftype nlmode = params->p2p ? |
5440 | NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; | |
5441 | ||
5442 | if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0) | |
4a867032 | 5443 | return -1; |
cfaab580 | 5444 | return wpa_driver_nl80211_connect(drv, params); |
4a867032 | 5445 | } |
cfaab580 | 5446 | |
add9b7a4 | 5447 | nl80211_mark_disconnected(drv); |
c2a04078 JM |
5448 | |
5449 | msg = nlmsg_alloc(); | |
5450 | if (!msg) | |
5451 | return -1; | |
5452 | ||
5453 | wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)", | |
5454 | drv->ifindex); | |
9fb04070 | 5455 | nl80211_cmd(drv, msg, 0, NL80211_CMD_ASSOCIATE); |
c2a04078 | 5456 | |
a0bdd191 JM |
5457 | ret = nl80211_connect_common(drv, params, msg); |
5458 | if (ret) | |
5459 | goto nla_put_failure; | |
01652550 | 5460 | |
62fa124c JM |
5461 | if (params->prev_bssid) { |
5462 | wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR, | |
5463 | MAC2STR(params->prev_bssid)); | |
5464 | NLA_PUT(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN, | |
5465 | params->prev_bssid); | |
5466 | } | |
5467 | ||
c2a04078 JM |
5468 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
5469 | msg = NULL; | |
5470 | if (ret) { | |
3b7ea880 BG |
5471 | wpa_dbg(drv->ctx, MSG_DEBUG, |
5472 | "nl80211: MLME command failed (assoc): ret=%d (%s)", | |
5473 | ret, strerror(-ret)); | |
8856462d | 5474 | nl80211_dump_scan(drv); |
c2a04078 JM |
5475 | goto nla_put_failure; |
5476 | } | |
5477 | ret = 0; | |
5478 | wpa_printf(MSG_DEBUG, "nl80211: Association request send " | |
5479 | "successfully"); | |
5480 | ||
5481 | nla_put_failure: | |
5482 | nlmsg_free(msg); | |
5483 | return ret; | |
5484 | } | |
3f5285e8 JM |
5485 | |
5486 | ||
ad1e68e6 | 5487 | static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv, |
a1922f93 | 5488 | int ifindex, enum nl80211_iftype mode) |
3f5285e8 | 5489 | { |
3f5285e8 | 5490 | struct nl_msg *msg; |
ad1e68e6 JM |
5491 | int ret = -ENOBUFS; |
5492 | ||
a1922f93 JM |
5493 | wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)", |
5494 | ifindex, mode, nl80211_iftype_str(mode)); | |
5495 | ||
ad1e68e6 JM |
5496 | msg = nlmsg_alloc(); |
5497 | if (!msg) | |
5498 | return -ENOMEM; | |
5499 | ||
9fb04070 | 5500 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE); |
834ee56f | 5501 | if (nl80211_set_iface_id(msg, drv->first_bss) < 0) |
f632e483 | 5502 | goto nla_put_failure; |
ad1e68e6 JM |
5503 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode); |
5504 | ||
5505 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5883168a | 5506 | msg = NULL; |
ad1e68e6 JM |
5507 | if (!ret) |
5508 | return 0; | |
5509 | nla_put_failure: | |
5883168a | 5510 | nlmsg_free(msg); |
ad1e68e6 JM |
5511 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:" |
5512 | " %d (%s)", ifindex, mode, ret, strerror(-ret)); | |
5513 | return ret; | |
5514 | } | |
5515 | ||
5516 | ||
3c5d34e3 CW |
5517 | static int wpa_driver_nl80211_set_mode_impl( |
5518 | struct i802_bss *bss, | |
5519 | enum nl80211_iftype nlmode, | |
5520 | struct hostapd_freq_params *desired_freq_params) | |
ad1e68e6 | 5521 | { |
a2e40bb6 | 5522 | struct wpa_driver_nl80211_data *drv = bss->drv; |
ad1e68e6 | 5523 | int ret = -1; |
26af9dca | 5524 | int i; |
86957e62 | 5525 | int was_ap = is_ap_interface(drv->nlmode); |
671a5039 | 5526 | int res; |
ebffdbc4 | 5527 | int mode_switch_res; |
1581b38b | 5528 | |
ebffdbc4 CW |
5529 | mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode); |
5530 | if (mode_switch_res && nlmode == nl80211_get_ifmode(bss)) | |
5531 | mode_switch_res = 0; | |
8e12685c | 5532 | |
ebffdbc4 | 5533 | if (mode_switch_res == 0) { |
ad1e68e6 | 5534 | drv->nlmode = nlmode; |
460456f8 JM |
5535 | ret = 0; |
5536 | goto done; | |
ad1e68e6 | 5537 | } |
3f5285e8 | 5538 | |
ebffdbc4 | 5539 | if (mode_switch_res == -ENODEV) |
671a5039 JM |
5540 | return -1; |
5541 | ||
460456f8 | 5542 | if (nlmode == drv->nlmode) { |
c6e8e8e4 JM |
5543 | wpa_printf(MSG_DEBUG, "nl80211: Interface already in " |
5544 | "requested mode - ignore error"); | |
460456f8 JM |
5545 | ret = 0; |
5546 | goto done; /* Already in the requested mode */ | |
5547 | } | |
3f5285e8 | 5548 | |
3f5285e8 JM |
5549 | /* mac80211 doesn't allow mode changes while the device is up, so |
5550 | * take the device down, try to set the mode again, and bring the | |
5551 | * device back up. | |
5552 | */ | |
26af9dca JM |
5553 | wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting " |
5554 | "interface down"); | |
5555 | for (i = 0; i < 10; i++) { | |
91724d6f | 5556 | res = i802_set_iface_flags(bss, 0); |
6e8183d7 JM |
5557 | if (res == -EACCES || res == -ENODEV) |
5558 | break; | |
ebffdbc4 | 5559 | if (res != 0) { |
26af9dca JM |
5560 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set " |
5561 | "interface down"); | |
ebffdbc4 CW |
5562 | os_sleep(0, 100000); |
5563 | continue; | |
5564 | } | |
3c5d34e3 CW |
5565 | |
5566 | /* | |
5567 | * Setting the mode will fail for some drivers if the phy is | |
5568 | * on a frequency that the mode is disallowed in. | |
5569 | */ | |
5570 | if (desired_freq_params) { | |
5571 | res = i802_set_freq(bss, desired_freq_params); | |
5572 | if (res) { | |
5573 | wpa_printf(MSG_DEBUG, | |
5574 | "nl80211: Failed to set frequency on interface"); | |
5575 | } | |
5576 | } | |
5577 | ||
ebffdbc4 CW |
5578 | /* Try to set the mode again while the interface is down */ |
5579 | mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode); | |
5580 | if (mode_switch_res == -EBUSY) { | |
5581 | wpa_printf(MSG_DEBUG, | |
5582 | "nl80211: Delaying mode set while interface going down"); | |
5583 | os_sleep(0, 100000); | |
5584 | continue; | |
5585 | } | |
5586 | ret = mode_switch_res; | |
5587 | break; | |
3f5285e8 JM |
5588 | } |
5589 | ||
c6e8e8e4 JM |
5590 | if (!ret) { |
5591 | wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while " | |
5592 | "interface is down"); | |
ad1e68e6 | 5593 | drv->nlmode = nlmode; |
7d9c3698 | 5594 | drv->ignore_if_down_event = 1; |
c6e8e8e4 | 5595 | } |
ad1e68e6 | 5596 | |
ebffdbc4 CW |
5597 | /* Bring the interface back up */ |
5598 | res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1); | |
5599 | if (res != 0) { | |
5600 | wpa_printf(MSG_DEBUG, | |
5601 | "nl80211: Failed to set interface up after switching mode"); | |
5602 | ret = -1; | |
5603 | } | |
5604 | ||
460456f8 | 5605 | done: |
3fd1cefb JB |
5606 | if (ret) { |
5607 | wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d " | |
5608 | "from %d failed", nlmode, drv->nlmode); | |
5609 | return ret; | |
5610 | } | |
5611 | ||
6a71413e | 5612 | if (is_p2p_net_interface(nlmode)) |
edb9bfba | 5613 | nl80211_disable_11b_rates(drv, drv->ifindex, 1); |
1d0c6fb1 JM |
5614 | else if (drv->disabled_11b_rates) |
5615 | nl80211_disable_11b_rates(drv, drv->ifindex, 0); | |
edb9bfba | 5616 | |
3fd1cefb | 5617 | if (is_ap_interface(nlmode)) { |
36488c05 | 5618 | nl80211_mgmt_unsubscribe(bss, "start AP"); |
460456f8 | 5619 | /* Setup additional AP mode functionality if needed */ |
3fd1cefb | 5620 | if (nl80211_setup_ap(bss)) |
460456f8 | 5621 | return -1; |
3fd1cefb | 5622 | } else if (was_ap) { |
460456f8 | 5623 | /* Remove additional AP mode functionality */ |
3fd1cefb | 5624 | nl80211_teardown_ap(bss); |
a11241fa | 5625 | } else { |
36488c05 | 5626 | nl80211_mgmt_unsubscribe(bss, "mode change"); |
460456f8 | 5627 | } |
460456f8 | 5628 | |
afb0550a BC |
5629 | if (is_mesh_interface(nlmode) && |
5630 | nl80211_mgmt_subscribe_mesh(bss)) | |
5631 | return -1; | |
5632 | ||
873d0fcf | 5633 | if (!bss->in_deinit && !is_ap_interface(nlmode) && |
afb0550a | 5634 | !is_mesh_interface(nlmode) && |
a11241fa JB |
5635 | nl80211_mgmt_subscribe_non_ap(bss) < 0) |
5636 | wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action " | |
5637 | "frame processing - ignore for now"); | |
08359050 | 5638 | |
3fd1cefb | 5639 | return 0; |
3f5285e8 JM |
5640 | } |
5641 | ||
5642 | ||
f3407c66 JM |
5643 | int wpa_driver_nl80211_set_mode(struct i802_bss *bss, |
5644 | enum nl80211_iftype nlmode) | |
3c5d34e3 CW |
5645 | { |
5646 | return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL); | |
5647 | } | |
5648 | ||
5649 | ||
4ec68377 JD |
5650 | static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss, |
5651 | struct hostapd_freq_params *freq) | |
3c5d34e3 | 5652 | { |
3c5d34e3 | 5653 | return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC, |
4ec68377 | 5654 | freq); |
3c5d34e3 | 5655 | } |
65d645ce AS |
5656 | |
5657 | ||
3f5285e8 JM |
5658 | static int wpa_driver_nl80211_get_capa(void *priv, |
5659 | struct wpa_driver_capa *capa) | |
5660 | { | |
a2e40bb6 FF |
5661 | struct i802_bss *bss = priv; |
5662 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
65d645ce | 5663 | |
3f5285e8 JM |
5664 | if (!drv->has_capability) |
5665 | return -1; | |
5666 | os_memcpy(capa, &drv->capa, sizeof(*capa)); | |
8cd6b7bc JB |
5667 | if (drv->extended_capa && drv->extended_capa_mask) { |
5668 | capa->extended_capa = drv->extended_capa; | |
5669 | capa->extended_capa_mask = drv->extended_capa_mask; | |
5670 | capa->extended_capa_len = drv->extended_capa_len; | |
5671 | } | |
851b0c55 | 5672 | |
906bc4c7 | 5673 | return 0; |
3f5285e8 JM |
5674 | } |
5675 | ||
5676 | ||
5677 | static int wpa_driver_nl80211_set_operstate(void *priv, int state) | |
5678 | { | |
a2e40bb6 FF |
5679 | struct i802_bss *bss = priv; |
5680 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
3f5285e8 | 5681 | |
90a545cc JM |
5682 | wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)", |
5683 | bss->ifname, drv->operstate, state, | |
5684 | state ? "UP" : "DORMANT"); | |
3f5285e8 | 5685 | drv->operstate = state; |
36d84860 | 5686 | return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1, |
e2d02c29 | 5687 | state ? IF_OPER_UP : IF_OPER_DORMANT); |
3f5285e8 JM |
5688 | } |
5689 | ||
01652550 JM |
5690 | |
5691 | static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized) | |
5692 | { | |
a2e40bb6 FF |
5693 | struct i802_bss *bss = priv; |
5694 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
01652550 JM |
5695 | struct nl_msg *msg; |
5696 | struct nl80211_sta_flag_update upd; | |
2eef5177 JM |
5697 | int ret = -ENOBUFS; |
5698 | ||
5699 | if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) { | |
5700 | wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated"); | |
5701 | return 0; | |
5702 | } | |
01652550 | 5703 | |
1ba51ec0 JM |
5704 | wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for " |
5705 | MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid)); | |
5706 | ||
01652550 JM |
5707 | msg = nlmsg_alloc(); |
5708 | if (!msg) | |
5709 | return -ENOMEM; | |
5710 | ||
9fb04070 | 5711 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); |
01652550 JM |
5712 | |
5713 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
a2e40bb6 | 5714 | if_nametoindex(bss->ifname)); |
01652550 JM |
5715 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid); |
5716 | ||
5717 | os_memset(&upd, 0, sizeof(upd)); | |
5718 | upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED); | |
5719 | if (authorized) | |
5720 | upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED); | |
5721 | NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd); | |
5722 | ||
2eef5177 JM |
5723 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
5724 | msg = NULL; | |
5725 | if (!ret) | |
5726 | return 0; | |
01652550 | 5727 | nla_put_failure: |
5883168a | 5728 | nlmsg_free(msg); |
2eef5177 JM |
5729 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)", |
5730 | ret, strerror(-ret)); | |
5731 | return ret; | |
01652550 JM |
5732 | } |
5733 | ||
3f5285e8 | 5734 | |
f07ead6a JM |
5735 | /* Set kernel driver on given frequency (MHz) */ |
5736 | static int i802_set_freq(void *priv, struct hostapd_freq_params *freq) | |
c5121837 | 5737 | { |
f07ead6a | 5738 | struct i802_bss *bss = priv; |
13a524a3 | 5739 | return nl80211_set_channel(bss, freq, 0); |
c5121837 JM |
5740 | } |
5741 | ||
f7b3920c | 5742 | |
c5121837 JM |
5743 | static inline int min_int(int a, int b) |
5744 | { | |
5745 | if (a < b) | |
5746 | return a; | |
5747 | return b; | |
5748 | } | |
5749 | ||
5750 | ||
5751 | static int get_key_handler(struct nl_msg *msg, void *arg) | |
5752 | { | |
5753 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
5754 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
5755 | ||
5756 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
5757 | genlmsg_attrlen(gnlh, 0), NULL); | |
5758 | ||
5759 | /* | |
5760 | * TODO: validate the key index and mac address! | |
5761 | * Otherwise, there's a race condition as soon as | |
5762 | * the kernel starts sending key notifications. | |
5763 | */ | |
5764 | ||
5765 | if (tb[NL80211_ATTR_KEY_SEQ]) | |
5766 | memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]), | |
5767 | min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6)); | |
5768 | return NL_SKIP; | |
5769 | } | |
5770 | ||
5771 | ||
5772 | static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr, | |
5773 | int idx, u8 *seq) | |
5774 | { | |
a2e40bb6 FF |
5775 | struct i802_bss *bss = priv; |
5776 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
c5121837 JM |
5777 | struct nl_msg *msg; |
5778 | ||
5779 | msg = nlmsg_alloc(); | |
5780 | if (!msg) | |
5781 | return -ENOMEM; | |
5782 | ||
9fb04070 | 5783 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_KEY); |
c5121837 JM |
5784 | |
5785 | if (addr) | |
5786 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
5787 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx); | |
5788 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface)); | |
5789 | ||
5790 | memset(seq, 0, 6); | |
5791 | ||
5792 | return send_and_recv_msgs(drv, msg, get_key_handler, seq); | |
5793 | nla_put_failure: | |
9e088e74 | 5794 | nlmsg_free(msg); |
c5121837 JM |
5795 | return -ENOBUFS; |
5796 | } | |
5797 | ||
5798 | ||
c5121837 JM |
5799 | static int i802_set_rts(void *priv, int rts) |
5800 | { | |
a2e40bb6 FF |
5801 | struct i802_bss *bss = priv; |
5802 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
ad649451 JM |
5803 | struct nl_msg *msg; |
5804 | int ret = -ENOBUFS; | |
5805 | u32 val; | |
c5121837 | 5806 | |
ad649451 JM |
5807 | msg = nlmsg_alloc(); |
5808 | if (!msg) | |
5809 | return -ENOMEM; | |
c5121837 | 5810 | |
ad649451 JM |
5811 | if (rts >= 2347) |
5812 | val = (u32) -1; | |
5813 | else | |
5814 | val = rts; | |
c5121837 | 5815 | |
9fb04070 | 5816 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); |
ad649451 JM |
5817 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
5818 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val); | |
5819 | ||
5820 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5883168a | 5821 | msg = NULL; |
ad649451 JM |
5822 | if (!ret) |
5823 | return 0; | |
5824 | nla_put_failure: | |
5883168a | 5825 | nlmsg_free(msg); |
ad649451 JM |
5826 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: " |
5827 | "%d (%s)", rts, ret, strerror(-ret)); | |
5828 | return ret; | |
c5121837 JM |
5829 | } |
5830 | ||
5831 | ||
5832 | static int i802_set_frag(void *priv, int frag) | |
5833 | { | |
a2e40bb6 FF |
5834 | struct i802_bss *bss = priv; |
5835 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
ad649451 JM |
5836 | struct nl_msg *msg; |
5837 | int ret = -ENOBUFS; | |
5838 | u32 val; | |
c5121837 | 5839 | |
ad649451 JM |
5840 | msg = nlmsg_alloc(); |
5841 | if (!msg) | |
5842 | return -ENOMEM; | |
c5121837 | 5843 | |
ad649451 JM |
5844 | if (frag >= 2346) |
5845 | val = (u32) -1; | |
5846 | else | |
5847 | val = frag; | |
c5121837 | 5848 | |
9fb04070 | 5849 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); |
ad649451 JM |
5850 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); |
5851 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val); | |
5852 | ||
5853 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5883168a | 5854 | msg = NULL; |
ad649451 JM |
5855 | if (!ret) |
5856 | return 0; | |
5857 | nla_put_failure: | |
5883168a | 5858 | nlmsg_free(msg); |
ad649451 JM |
5859 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold " |
5860 | "%d: %d (%s)", frag, ret, strerror(-ret)); | |
5861 | return ret; | |
c5121837 JM |
5862 | } |
5863 | ||
5864 | ||
c5121837 JM |
5865 | static int i802_flush(void *priv) |
5866 | { | |
a2e40bb6 FF |
5867 | struct i802_bss *bss = priv; |
5868 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
c5121837 | 5869 | struct nl_msg *msg; |
82554b10 | 5870 | int res; |
c5121837 JM |
5871 | |
5872 | msg = nlmsg_alloc(); | |
5873 | if (!msg) | |
5874 | return -1; | |
5875 | ||
83e7bb0e JM |
5876 | wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)", |
5877 | bss->ifname); | |
9fb04070 | 5878 | nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION); |
c5121837 JM |
5879 | |
5880 | /* | |
5881 | * XXX: FIX! this needs to flush all VLANs too | |
5882 | */ | |
5883 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
a2e40bb6 | 5884 | if_nametoindex(bss->ifname)); |
c5121837 | 5885 | |
82554b10 JM |
5886 | res = send_and_recv_msgs(drv, msg, NULL, NULL); |
5887 | if (res) { | |
5888 | wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d " | |
5889 | "(%s)", res, strerror(-res)); | |
5890 | } | |
5891 | return res; | |
c5121837 | 5892 | nla_put_failure: |
9e088e74 | 5893 | nlmsg_free(msg); |
c5121837 JM |
5894 | return -ENOBUFS; |
5895 | } | |
5896 | ||
5897 | ||
5898 | static int get_sta_handler(struct nl_msg *msg, void *arg) | |
5899 | { | |
5900 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
5901 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
5902 | struct hostap_sta_driver_data *data = arg; | |
5903 | struct nlattr *stats[NL80211_STA_INFO_MAX + 1]; | |
5904 | static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = { | |
5905 | [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 }, | |
5906 | [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 }, | |
5907 | [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 }, | |
5908 | [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 }, | |
5909 | [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 }, | |
dc7785f8 | 5910 | [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 }, |
c5121837 JM |
5911 | }; |
5912 | ||
5913 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
5914 | genlmsg_attrlen(gnlh, 0), NULL); | |
5915 | ||
5916 | /* | |
5917 | * TODO: validate the interface and mac address! | |
5918 | * Otherwise, there's a race condition as soon as | |
5919 | * the kernel starts sending station notifications. | |
5920 | */ | |
5921 | ||
5922 | if (!tb[NL80211_ATTR_STA_INFO]) { | |
5923 | wpa_printf(MSG_DEBUG, "sta stats missing!"); | |
5924 | return NL_SKIP; | |
5925 | } | |
5926 | if (nla_parse_nested(stats, NL80211_STA_INFO_MAX, | |
5927 | tb[NL80211_ATTR_STA_INFO], | |
5928 | stats_policy)) { | |
5929 | wpa_printf(MSG_DEBUG, "failed to parse nested attributes!"); | |
5930 | return NL_SKIP; | |
5931 | } | |
5932 | ||
5933 | if (stats[NL80211_STA_INFO_INACTIVE_TIME]) | |
5934 | data->inactive_msec = | |
5935 | nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]); | |
5936 | if (stats[NL80211_STA_INFO_RX_BYTES]) | |
5937 | data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]); | |
5938 | if (stats[NL80211_STA_INFO_TX_BYTES]) | |
5939 | data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]); | |
5940 | if (stats[NL80211_STA_INFO_RX_PACKETS]) | |
5941 | data->rx_packets = | |
5942 | nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]); | |
5943 | if (stats[NL80211_STA_INFO_TX_PACKETS]) | |
5944 | data->tx_packets = | |
5945 | nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]); | |
dc7785f8 YZ |
5946 | if (stats[NL80211_STA_INFO_TX_FAILED]) |
5947 | data->tx_retry_failed = | |
5948 | nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]); | |
c5121837 JM |
5949 | |
5950 | return NL_SKIP; | |
5951 | } | |
5952 | ||
9ebce9c5 JM |
5953 | static int i802_read_sta_data(struct i802_bss *bss, |
5954 | struct hostap_sta_driver_data *data, | |
c5121837 JM |
5955 | const u8 *addr) |
5956 | { | |
a2e40bb6 | 5957 | struct wpa_driver_nl80211_data *drv = bss->drv; |
c5121837 JM |
5958 | struct nl_msg *msg; |
5959 | ||
5960 | os_memset(data, 0, sizeof(*data)); | |
5961 | msg = nlmsg_alloc(); | |
5962 | if (!msg) | |
5963 | return -ENOMEM; | |
5964 | ||
9fb04070 | 5965 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION); |
c5121837 JM |
5966 | |
5967 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
a2e40bb6 | 5968 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); |
c5121837 JM |
5969 | |
5970 | return send_and_recv_msgs(drv, msg, get_sta_handler, data); | |
5971 | nla_put_failure: | |
9e088e74 | 5972 | nlmsg_free(msg); |
c5121837 JM |
5973 | return -ENOBUFS; |
5974 | } | |
5975 | ||
5976 | ||
c5121837 JM |
5977 | static int i802_set_tx_queue_params(void *priv, int queue, int aifs, |
5978 | int cw_min, int cw_max, int burst_time) | |
5979 | { | |
a2e40bb6 FF |
5980 | struct i802_bss *bss = priv; |
5981 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
c5121837 JM |
5982 | struct nl_msg *msg; |
5983 | struct nlattr *txq, *params; | |
5984 | ||
5985 | msg = nlmsg_alloc(); | |
5986 | if (!msg) | |
5987 | return -1; | |
5988 | ||
9fb04070 | 5989 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); |
c5121837 | 5990 | |
a2e40bb6 | 5991 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); |
c5121837 JM |
5992 | |
5993 | txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS); | |
5994 | if (!txq) | |
5995 | goto nla_put_failure; | |
5996 | ||
5997 | /* We are only sending parameters for a single TXQ at a time */ | |
5998 | params = nla_nest_start(msg, 1); | |
5999 | if (!params) | |
6000 | goto nla_put_failure; | |
6001 | ||
7e3c1781 JM |
6002 | switch (queue) { |
6003 | case 0: | |
6004 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO); | |
6005 | break; | |
6006 | case 1: | |
6007 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI); | |
6008 | break; | |
6009 | case 2: | |
6010 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE); | |
6011 | break; | |
6012 | case 3: | |
6013 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK); | |
6014 | break; | |
6015 | } | |
c5121837 JM |
6016 | /* Burst time is configured in units of 0.1 msec and TXOP parameter in |
6017 | * 32 usec, so need to convert the value here. */ | |
6018 | NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32); | |
6019 | NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min); | |
6020 | NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max); | |
6021 | NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs); | |
6022 | ||
6023 | nla_nest_end(msg, params); | |
6024 | ||
6025 | nla_nest_end(msg, txq); | |
6026 | ||
6027 | if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) | |
6028 | return 0; | |
9e088e74 | 6029 | msg = NULL; |
c5121837 | 6030 | nla_put_failure: |
9e088e74 | 6031 | nlmsg_free(msg); |
c5121837 JM |
6032 | return -1; |
6033 | } | |
6034 | ||
6035 | ||
9ebce9c5 | 6036 | static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr, |
c5121837 JM |
6037 | const char *ifname, int vlan_id) |
6038 | { | |
a2e40bb6 | 6039 | struct wpa_driver_nl80211_data *drv = bss->drv; |
c5121837 | 6040 | struct nl_msg *msg; |
cd1d72c1 | 6041 | int ret = -ENOBUFS; |
c5121837 JM |
6042 | |
6043 | msg = nlmsg_alloc(); | |
6044 | if (!msg) | |
6045 | return -ENOMEM; | |
6046 | ||
bbc706a3 JM |
6047 | wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR |
6048 | ", ifname=%s[%d], vlan_id=%d)", | |
6049 | bss->ifname, if_nametoindex(bss->ifname), | |
6050 | MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id); | |
9fb04070 | 6051 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); |
c5121837 JM |
6052 | |
6053 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, | |
a2e40bb6 | 6054 | if_nametoindex(bss->ifname)); |
c5121837 | 6055 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); |
1c766b09 | 6056 | NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN, |
c5121837 JM |
6057 | if_nametoindex(ifname)); |
6058 | ||
cd1d72c1 | 6059 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
9e088e74 | 6060 | msg = NULL; |
cd1d72c1 JM |
6061 | if (ret < 0) { |
6062 | wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr=" | |
6063 | MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)", | |
6064 | MAC2STR(addr), ifname, vlan_id, ret, | |
6065 | strerror(-ret)); | |
6066 | } | |
c5121837 | 6067 | nla_put_failure: |
9e088e74 | 6068 | nlmsg_free(msg); |
cd1d72c1 | 6069 | return ret; |
c5121837 JM |
6070 | } |
6071 | ||
fbbfcbac | 6072 | |
c5121837 JM |
6073 | static int i802_get_inact_sec(void *priv, const u8 *addr) |
6074 | { | |
6075 | struct hostap_sta_driver_data data; | |
6076 | int ret; | |
6077 | ||
6078 | data.inactive_msec = (unsigned long) -1; | |
6079 | ret = i802_read_sta_data(priv, &data, addr); | |
6080 | if (ret || data.inactive_msec == (unsigned long) -1) | |
6081 | return -1; | |
6082 | return data.inactive_msec / 1000; | |
6083 | } | |
6084 | ||
6085 | ||
6086 | static int i802_sta_clear_stats(void *priv, const u8 *addr) | |
6087 | { | |
6088 | #if 0 | |
6089 | /* TODO */ | |
6090 | #endif | |
6091 | return 0; | |
6092 | } | |
6093 | ||
6094 | ||
731723a5 JM |
6095 | static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, |
6096 | int reason) | |
c5121837 | 6097 | { |
a2e40bb6 | 6098 | struct i802_bss *bss = priv; |
e1bd4e19 | 6099 | struct wpa_driver_nl80211_data *drv = bss->drv; |
c5121837 JM |
6100 | struct ieee80211_mgmt mgmt; |
6101 | ||
0d391b03 BC |
6102 | if (is_mesh_interface(drv->nlmode)) |
6103 | return -1; | |
6104 | ||
e1bd4e19 | 6105 | if (drv->device_ap_sme) |
59d7148a | 6106 | return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason); |
e1bd4e19 | 6107 | |
c5121837 JM |
6108 | memset(&mgmt, 0, sizeof(mgmt)); |
6109 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
6110 | WLAN_FC_STYPE_DEAUTH); | |
6111 | memcpy(mgmt.da, addr, ETH_ALEN); | |
731723a5 JM |
6112 | memcpy(mgmt.sa, own_addr, ETH_ALEN); |
6113 | memcpy(mgmt.bssid, own_addr, ETH_ALEN); | |
c5121837 | 6114 | mgmt.u.deauth.reason_code = host_to_le16(reason); |
a2e40bb6 | 6115 | return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, |
9f324b61 | 6116 | IEEE80211_HDRLEN + |
9ebce9c5 JM |
6117 | sizeof(mgmt.u.deauth), 0, 0, 0, 0, |
6118 | 0); | |
c5121837 JM |
6119 | } |
6120 | ||
6121 | ||
731723a5 JM |
6122 | static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, |
6123 | int reason) | |
c5121837 | 6124 | { |
a2e40bb6 | 6125 | struct i802_bss *bss = priv; |
e1bd4e19 | 6126 | struct wpa_driver_nl80211_data *drv = bss->drv; |
c5121837 JM |
6127 | struct ieee80211_mgmt mgmt; |
6128 | ||
0d391b03 BC |
6129 | if (is_mesh_interface(drv->nlmode)) |
6130 | return -1; | |
6131 | ||
e1bd4e19 | 6132 | if (drv->device_ap_sme) |
59d7148a | 6133 | return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason); |
e1bd4e19 | 6134 | |
c5121837 JM |
6135 | memset(&mgmt, 0, sizeof(mgmt)); |
6136 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
6137 | WLAN_FC_STYPE_DISASSOC); | |
6138 | memcpy(mgmt.da, addr, ETH_ALEN); | |
731723a5 JM |
6139 | memcpy(mgmt.sa, own_addr, ETH_ALEN); |
6140 | memcpy(mgmt.bssid, own_addr, ETH_ALEN); | |
c5121837 | 6141 | mgmt.u.disassoc.reason_code = host_to_le16(reason); |
a2e40bb6 | 6142 | return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, |
9f324b61 | 6143 | IEEE80211_HDRLEN + |
9ebce9c5 JM |
6144 | sizeof(mgmt.u.disassoc), 0, 0, 0, 0, |
6145 | 0); | |
c5121837 JM |
6146 | } |
6147 | ||
6148 | ||
9b4d9c8b JM |
6149 | static void dump_ifidx(struct wpa_driver_nl80211_data *drv) |
6150 | { | |
6151 | char buf[200], *pos, *end; | |
6152 | int i, res; | |
6153 | ||
6154 | pos = buf; | |
6155 | end = pos + sizeof(buf); | |
6156 | ||
6157 | for (i = 0; i < drv->num_if_indices; i++) { | |
6158 | if (!drv->if_indices[i]) | |
6159 | continue; | |
6160 | res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]); | |
6161 | if (res < 0 || res >= end - pos) | |
6162 | break; | |
6163 | pos += res; | |
6164 | } | |
6165 | *pos = '\0'; | |
6166 | ||
6167 | wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s", | |
6168 | drv->num_if_indices, buf); | |
6169 | } | |
6170 | ||
6171 | ||
f07ead6a JM |
6172 | static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) |
6173 | { | |
6174 | int i; | |
6175 | int *old; | |
6176 | ||
6177 | wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d", | |
6178 | ifidx); | |
b36935be MB |
6179 | if (have_ifidx(drv, ifidx)) { |
6180 | wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list", | |
6181 | ifidx); | |
6182 | return; | |
6183 | } | |
f07ead6a JM |
6184 | for (i = 0; i < drv->num_if_indices; i++) { |
6185 | if (drv->if_indices[i] == 0) { | |
6186 | drv->if_indices[i] = ifidx; | |
9b4d9c8b | 6187 | dump_ifidx(drv); |
f07ead6a JM |
6188 | return; |
6189 | } | |
6190 | } | |
6191 | ||
6192 | if (drv->if_indices != drv->default_if_indices) | |
6193 | old = drv->if_indices; | |
6194 | else | |
6195 | old = NULL; | |
6196 | ||
067ffa26 JM |
6197 | drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1, |
6198 | sizeof(int)); | |
f07ead6a JM |
6199 | if (!drv->if_indices) { |
6200 | if (!old) | |
6201 | drv->if_indices = drv->default_if_indices; | |
6202 | else | |
6203 | drv->if_indices = old; | |
6204 | wpa_printf(MSG_ERROR, "Failed to reallocate memory for " | |
6205 | "interfaces"); | |
6206 | wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx); | |
6207 | return; | |
6208 | } else if (!old) | |
6209 | os_memcpy(drv->if_indices, drv->default_if_indices, | |
6210 | sizeof(drv->default_if_indices)); | |
6211 | drv->if_indices[drv->num_if_indices] = ifidx; | |
6212 | drv->num_if_indices++; | |
9b4d9c8b | 6213 | dump_ifidx(drv); |
f07ead6a JM |
6214 | } |
6215 | ||
6216 | ||
6217 | static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) | |
6218 | { | |
6219 | int i; | |
6220 | ||
6221 | for (i = 0; i < drv->num_if_indices; i++) { | |
6222 | if (drv->if_indices[i] == ifidx) { | |
6223 | drv->if_indices[i] = 0; | |
6224 | break; | |
6225 | } | |
6226 | } | |
9b4d9c8b | 6227 | dump_ifidx(drv); |
f07ead6a JM |
6228 | } |
6229 | ||
6230 | ||
6231 | static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) | |
6232 | { | |
6233 | int i; | |
6234 | ||
6235 | for (i = 0; i < drv->num_if_indices; i++) | |
6236 | if (drv->if_indices[i] == ifidx) | |
6237 | return 1; | |
6238 | ||
6239 | return 0; | |
6240 | } | |
6241 | ||
6242 | ||
6243 | static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val, | |
0e80ea2c | 6244 | const char *bridge_ifname, char *ifname_wds) |
f07ead6a JM |
6245 | { |
6246 | struct i802_bss *bss = priv; | |
6247 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6248 | char name[IFNAMSIZ + 1]; | |
6249 | ||
6250 | os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid); | |
69dd2967 SM |
6251 | if (ifname_wds) |
6252 | os_strlcpy(ifname_wds, name, IFNAMSIZ + 1); | |
6253 | ||
f07ead6a JM |
6254 | wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR |
6255 | " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name); | |
6256 | if (val) { | |
6257 | if (!if_nametoindex(name)) { | |
6258 | if (nl80211_create_iface(drv, name, | |
6259 | NL80211_IFTYPE_AP_VLAN, | |
2aec4f3c JM |
6260 | bss->addr, 1, NULL, NULL, 0) < |
6261 | 0) | |
f07ead6a JM |
6262 | return -1; |
6263 | if (bridge_ifname && | |
c81eff1a BG |
6264 | linux_br_add_if(drv->global->ioctl_sock, |
6265 | bridge_ifname, name) < 0) | |
f07ead6a JM |
6266 | return -1; |
6267 | } | |
75227f3a JM |
6268 | if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) { |
6269 | wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA " | |
6270 | "interface %s up", name); | |
6271 | } | |
f07ead6a JM |
6272 | return i802_set_sta_vlan(priv, addr, name, 0); |
6273 | } else { | |
c34e618d FF |
6274 | if (bridge_ifname) |
6275 | linux_br_del_if(drv->global->ioctl_sock, bridge_ifname, | |
6276 | name); | |
6277 | ||
f07ead6a | 6278 | i802_set_sta_vlan(priv, addr, bss->ifname, 0); |
d0595b25 FF |
6279 | nl80211_remove_iface(drv, if_nametoindex(name)); |
6280 | return 0; | |
f07ead6a JM |
6281 | } |
6282 | } | |
6283 | ||
6284 | ||
6285 | static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx) | |
6286 | { | |
6287 | struct wpa_driver_nl80211_data *drv = eloop_ctx; | |
6288 | struct sockaddr_ll lladdr; | |
6289 | unsigned char buf[3000]; | |
6290 | int len; | |
6291 | socklen_t fromlen = sizeof(lladdr); | |
6292 | ||
6293 | len = recvfrom(sock, buf, sizeof(buf), 0, | |
6294 | (struct sockaddr *)&lladdr, &fromlen); | |
6295 | if (len < 0) { | |
7ac3616d JM |
6296 | wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s", |
6297 | strerror(errno)); | |
f07ead6a JM |
6298 | return; |
6299 | } | |
6300 | ||
6301 | if (have_ifidx(drv, lladdr.sll_ifindex)) | |
6302 | drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len); | |
6303 | } | |
6304 | ||
6305 | ||
94627f6c | 6306 | static int i802_check_bridge(struct wpa_driver_nl80211_data *drv, |
e17a2477 | 6307 | struct i802_bss *bss, |
94627f6c JM |
6308 | const char *brname, const char *ifname) |
6309 | { | |
6c6678e7 | 6310 | int br_ifindex; |
94627f6c JM |
6311 | char in_br[IFNAMSIZ]; |
6312 | ||
e17a2477 | 6313 | os_strlcpy(bss->brname, brname, IFNAMSIZ); |
6c6678e7 KP |
6314 | br_ifindex = if_nametoindex(brname); |
6315 | bss->br_ifindex = br_ifindex; | |
6316 | if (br_ifindex == 0) { | |
94627f6c JM |
6317 | /* |
6318 | * Bridge was configured, but the bridge device does | |
6319 | * not exist. Try to add it now. | |
6320 | */ | |
c81eff1a | 6321 | if (linux_br_add(drv->global->ioctl_sock, brname) < 0) { |
94627f6c JM |
6322 | wpa_printf(MSG_ERROR, "nl80211: Failed to add the " |
6323 | "bridge interface %s: %s", | |
6324 | brname, strerror(errno)); | |
6325 | return -1; | |
6326 | } | |
e17a2477 | 6327 | bss->added_bridge = 1; |
94627f6c JM |
6328 | add_ifidx(drv, if_nametoindex(brname)); |
6329 | } | |
6330 | ||
6331 | if (linux_br_get(in_br, ifname) == 0) { | |
6332 | if (os_strcmp(in_br, brname) == 0) | |
6333 | return 0; /* already in the bridge */ | |
6334 | ||
6335 | wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from " | |
6336 | "bridge %s", ifname, in_br); | |
c81eff1a BG |
6337 | if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) < |
6338 | 0) { | |
94627f6c JM |
6339 | wpa_printf(MSG_ERROR, "nl80211: Failed to " |
6340 | "remove interface %s from bridge " | |
6341 | "%s: %s", | |
6342 | ifname, brname, strerror(errno)); | |
6343 | return -1; | |
6344 | } | |
6345 | } | |
6346 | ||
6347 | wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s", | |
6348 | ifname, brname); | |
c81eff1a | 6349 | if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) { |
94627f6c JM |
6350 | wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s " |
6351 | "into bridge %s: %s", | |
6352 | ifname, brname, strerror(errno)); | |
6353 | return -1; | |
6354 | } | |
e17a2477 | 6355 | bss->added_if_into_bridge = 1; |
94627f6c JM |
6356 | |
6357 | return 0; | |
6358 | } | |
6359 | ||
6360 | ||
92f475b4 JM |
6361 | static void *i802_init(struct hostapd_data *hapd, |
6362 | struct wpa_init_params *params) | |
c5121837 JM |
6363 | { |
6364 | struct wpa_driver_nl80211_data *drv; | |
a2e40bb6 | 6365 | struct i802_bss *bss; |
c5121837 | 6366 | size_t i; |
94627f6c JM |
6367 | char brname[IFNAMSIZ]; |
6368 | int ifindex, br_ifindex; | |
6369 | int br_added = 0; | |
c5121837 | 6370 | |
0d547d5f JM |
6371 | bss = wpa_driver_nl80211_drv_init(hapd, params->ifname, |
6372 | params->global_priv, 1, | |
6373 | params->bssid); | |
a2e40bb6 | 6374 | if (bss == NULL) |
c5121837 | 6375 | return NULL; |
c5121837 | 6376 | |
a2e40bb6 | 6377 | drv = bss->drv; |
7635bfb0 | 6378 | |
94627f6c JM |
6379 | if (linux_br_get(brname, params->ifname) == 0) { |
6380 | wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s", | |
6381 | params->ifname, brname); | |
6382 | br_ifindex = if_nametoindex(brname); | |
392dfd37 | 6383 | os_strlcpy(bss->brname, brname, IFNAMSIZ); |
94627f6c JM |
6384 | } else { |
6385 | brname[0] = '\0'; | |
6386 | br_ifindex = 0; | |
6387 | } | |
6c6678e7 | 6388 | bss->br_ifindex = br_ifindex; |
94627f6c | 6389 | |
92f475b4 | 6390 | for (i = 0; i < params->num_bridge; i++) { |
94627f6c JM |
6391 | if (params->bridge[i]) { |
6392 | ifindex = if_nametoindex(params->bridge[i]); | |
6393 | if (ifindex) | |
6394 | add_ifidx(drv, ifindex); | |
6395 | if (ifindex == br_ifindex) | |
6396 | br_added = 1; | |
6397 | } | |
c5121837 | 6398 | } |
94627f6c JM |
6399 | if (!br_added && br_ifindex && |
6400 | (params->num_bridge == 0 || !params->bridge[0])) | |
6401 | add_ifidx(drv, br_ifindex); | |
c5121837 | 6402 | |
ad1e68e6 JM |
6403 | /* start listening for EAPOL on the default AP interface */ |
6404 | add_ifidx(drv, drv->ifindex); | |
6405 | ||
94627f6c | 6406 | if (params->num_bridge && params->bridge[0] && |
e17a2477 | 6407 | i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0) |
94627f6c JM |
6408 | goto failed; |
6409 | ||
97ed9a06 KP |
6410 | #ifdef CONFIG_LIBNL3_ROUTE |
6411 | if (bss->added_if_into_bridge) { | |
6412 | drv->rtnl_sk = nl_socket_alloc(); | |
6413 | if (drv->rtnl_sk == NULL) { | |
6414 | wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock"); | |
6415 | goto failed; | |
6416 | } | |
6417 | ||
6418 | if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) { | |
6419 | wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s", | |
6420 | strerror(errno)); | |
6421 | goto failed; | |
6422 | } | |
6423 | } | |
6424 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
6425 | ||
ad1e68e6 JM |
6426 | drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE)); |
6427 | if (drv->eapol_sock < 0) { | |
7ac3616d JM |
6428 | wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s", |
6429 | strerror(errno)); | |
bbaf0837 | 6430 | goto failed; |
ad1e68e6 JM |
6431 | } |
6432 | ||
6433 | if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL)) | |
6434 | { | |
7ac3616d | 6435 | wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol"); |
c5121837 | 6436 | goto failed; |
ad1e68e6 JM |
6437 | } |
6438 | ||
c81eff1a BG |
6439 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, |
6440 | params->own_addr)) | |
bbaf0837 | 6441 | goto failed; |
fee354c7 | 6442 | os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN); |
c5121837 | 6443 | |
341eebee JB |
6444 | memcpy(bss->addr, params->own_addr, ETH_ALEN); |
6445 | ||
a2e40bb6 | 6446 | return bss; |
c5121837 JM |
6447 | |
6448 | failed: | |
7635bfb0 | 6449 | wpa_driver_nl80211_deinit(bss); |
bbaf0837 JM |
6450 | return NULL; |
6451 | } | |
c5121837 | 6452 | |
c5121837 | 6453 | |
bbaf0837 JM |
6454 | static void i802_deinit(void *priv) |
6455 | { | |
9ebce9c5 JM |
6456 | struct i802_bss *bss = priv; |
6457 | wpa_driver_nl80211_deinit(bss); | |
c5121837 JM |
6458 | } |
6459 | ||
c5121837 | 6460 | |
22a7c9d7 JM |
6461 | static enum nl80211_iftype wpa_driver_nl80211_if_type( |
6462 | enum wpa_driver_if_type type) | |
6463 | { | |
6464 | switch (type) { | |
6465 | case WPA_IF_STATION: | |
9f51b113 | 6466 | return NL80211_IFTYPE_STATION; |
75bde05d JM |
6467 | case WPA_IF_P2P_CLIENT: |
6468 | case WPA_IF_P2P_GROUP: | |
9f51b113 | 6469 | return NL80211_IFTYPE_P2P_CLIENT; |
22a7c9d7 JM |
6470 | case WPA_IF_AP_VLAN: |
6471 | return NL80211_IFTYPE_AP_VLAN; | |
6472 | case WPA_IF_AP_BSS: | |
6473 | return NL80211_IFTYPE_AP; | |
9f51b113 JB |
6474 | case WPA_IF_P2P_GO: |
6475 | return NL80211_IFTYPE_P2P_GO; | |
7aad838c NS |
6476 | case WPA_IF_P2P_DEVICE: |
6477 | return NL80211_IFTYPE_P2P_DEVICE; | |
22a7c9d7 JM |
6478 | } |
6479 | return -1; | |
6480 | } | |
6481 | ||
6482 | ||
482856c8 JM |
6483 | #ifdef CONFIG_P2P |
6484 | ||
f2ed8023 JM |
6485 | static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr) |
6486 | { | |
6487 | struct wpa_driver_nl80211_data *drv; | |
6488 | dl_list_for_each(drv, &global->interfaces, | |
6489 | struct wpa_driver_nl80211_data, list) { | |
834ee56f | 6490 | if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0) |
f2ed8023 JM |
6491 | return 1; |
6492 | } | |
6493 | return 0; | |
6494 | } | |
6495 | ||
6496 | ||
6497 | static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv, | |
6498 | u8 *new_addr) | |
6499 | { | |
6500 | unsigned int idx; | |
6501 | ||
6502 | if (!drv->global) | |
6503 | return -1; | |
6504 | ||
834ee56f | 6505 | os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN); |
f2ed8023 | 6506 | for (idx = 0; idx < 64; idx++) { |
834ee56f | 6507 | new_addr[0] = drv->first_bss->addr[0] | 0x02; |
f2ed8023 JM |
6508 | new_addr[0] ^= idx << 2; |
6509 | if (!nl80211_addr_in_use(drv->global, new_addr)) | |
6510 | break; | |
6511 | } | |
6512 | if (idx == 64) | |
6513 | return -1; | |
6514 | ||
6515 | wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address " | |
6516 | MACSTR, MAC2STR(new_addr)); | |
6517 | ||
6518 | return 0; | |
6519 | } | |
6520 | ||
482856c8 JM |
6521 | #endif /* CONFIG_P2P */ |
6522 | ||
f2ed8023 | 6523 | |
f632e483 AS |
6524 | struct wdev_info { |
6525 | u64 wdev_id; | |
6526 | int wdev_id_set; | |
6527 | u8 macaddr[ETH_ALEN]; | |
6528 | }; | |
6529 | ||
6530 | static int nl80211_wdev_handler(struct nl_msg *msg, void *arg) | |
e472e1b4 AS |
6531 | { |
6532 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
6533 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
f632e483 | 6534 | struct wdev_info *wi = arg; |
e472e1b4 AS |
6535 | |
6536 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
6537 | genlmsg_attrlen(gnlh, 0), NULL); | |
6538 | if (tb[NL80211_ATTR_WDEV]) { | |
f632e483 AS |
6539 | wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]); |
6540 | wi->wdev_id_set = 1; | |
e472e1b4 AS |
6541 | } |
6542 | ||
6543 | if (tb[NL80211_ATTR_MAC]) | |
f632e483 | 6544 | os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]), |
e472e1b4 AS |
6545 | ETH_ALEN); |
6546 | ||
6547 | return NL_SKIP; | |
6548 | } | |
6549 | ||
6550 | ||
7ab68865 | 6551 | static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type, |
8043e725 | 6552 | const char *ifname, const u8 *addr, |
f3585c8a | 6553 | void *bss_ctx, void **drv_priv, |
e17a2477 | 6554 | char *force_ifname, u8 *if_addr, |
2aec4f3c | 6555 | const char *bridge, int use_existing) |
22a7c9d7 | 6556 | { |
e472e1b4 | 6557 | enum nl80211_iftype nlmode; |
a2e40bb6 FF |
6558 | struct i802_bss *bss = priv; |
6559 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
22a7c9d7 | 6560 | int ifidx; |
2aec4f3c | 6561 | int added = 1; |
22a7c9d7 | 6562 | |
f3585c8a JM |
6563 | if (addr) |
6564 | os_memcpy(if_addr, addr, ETH_ALEN); | |
e472e1b4 AS |
6565 | nlmode = wpa_driver_nl80211_if_type(type); |
6566 | if (nlmode == NL80211_IFTYPE_P2P_DEVICE) { | |
f632e483 AS |
6567 | struct wdev_info p2pdev_info; |
6568 | ||
6569 | os_memset(&p2pdev_info, 0, sizeof(p2pdev_info)); | |
e472e1b4 | 6570 | ifidx = nl80211_create_iface(drv, ifname, nlmode, addr, |
f632e483 | 6571 | 0, nl80211_wdev_handler, |
2aec4f3c | 6572 | &p2pdev_info, use_existing); |
f632e483 | 6573 | if (!p2pdev_info.wdev_id_set || ifidx != 0) { |
e472e1b4 AS |
6574 | wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s", |
6575 | ifname); | |
e472e1b4 AS |
6576 | return -1; |
6577 | } | |
f632e483 AS |
6578 | |
6579 | drv->global->if_add_wdevid = p2pdev_info.wdev_id; | |
6580 | drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set; | |
6581 | if (!is_zero_ether_addr(p2pdev_info.macaddr)) | |
6582 | os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN); | |
6583 | wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created", | |
6584 | ifname, | |
6585 | (long long unsigned int) p2pdev_info.wdev_id); | |
e472e1b4 AS |
6586 | } else { |
6587 | ifidx = nl80211_create_iface(drv, ifname, nlmode, addr, | |
2aec4f3c JM |
6588 | 0, NULL, NULL, use_existing); |
6589 | if (use_existing && ifidx == -ENFILE) { | |
6590 | added = 0; | |
6591 | ifidx = if_nametoindex(ifname); | |
6592 | } else if (ifidx < 0) { | |
e472e1b4 AS |
6593 | return -1; |
6594 | } | |
22a7c9d7 JM |
6595 | } |
6596 | ||
ab7a1add AS |
6597 | if (!addr) { |
6598 | if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) | |
6599 | os_memcpy(if_addr, bss->addr, ETH_ALEN); | |
6600 | else if (linux_get_ifhwaddr(drv->global->ioctl_sock, | |
6601 | bss->ifname, if_addr) < 0) { | |
2aec4f3c JM |
6602 | if (added) |
6603 | nl80211_remove_iface(drv, ifidx); | |
ab7a1add AS |
6604 | return -1; |
6605 | } | |
c55f774d JM |
6606 | } |
6607 | ||
6608 | #ifdef CONFIG_P2P | |
6609 | if (!addr && | |
6610 | (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP || | |
6611 | type == WPA_IF_P2P_GO)) { | |
6612 | /* Enforce unique P2P Interface Address */ | |
ab7a1add | 6613 | u8 new_addr[ETH_ALEN]; |
c55f774d | 6614 | |
ab7a1add | 6615 | if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname, |
c81eff1a | 6616 | new_addr) < 0) { |
ea39367c MK |
6617 | if (added) |
6618 | nl80211_remove_iface(drv, ifidx); | |
c55f774d JM |
6619 | return -1; |
6620 | } | |
f608081c | 6621 | if (nl80211_addr_in_use(drv->global, new_addr)) { |
c55f774d JM |
6622 | wpa_printf(MSG_DEBUG, "nl80211: Allocate new address " |
6623 | "for P2P group interface"); | |
f2ed8023 | 6624 | if (nl80211_p2p_interface_addr(drv, new_addr) < 0) { |
ea39367c MK |
6625 | if (added) |
6626 | nl80211_remove_iface(drv, ifidx); | |
c55f774d JM |
6627 | return -1; |
6628 | } | |
c81eff1a | 6629 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, |
c55f774d | 6630 | new_addr) < 0) { |
ea39367c MK |
6631 | if (added) |
6632 | nl80211_remove_iface(drv, ifidx); | |
c55f774d JM |
6633 | return -1; |
6634 | } | |
c55f774d | 6635 | } |
f67eeb5c | 6636 | os_memcpy(if_addr, new_addr, ETH_ALEN); |
c55f774d JM |
6637 | } |
6638 | #endif /* CONFIG_P2P */ | |
f3585c8a | 6639 | |
22a7c9d7 | 6640 | if (type == WPA_IF_AP_BSS) { |
f5eb9da3 JM |
6641 | struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss)); |
6642 | if (new_bss == NULL) { | |
2aec4f3c JM |
6643 | if (added) |
6644 | nl80211_remove_iface(drv, ifidx); | |
f5eb9da3 JM |
6645 | return -1; |
6646 | } | |
6647 | ||
6648 | if (bridge && | |
6649 | i802_check_bridge(drv, new_bss, bridge, ifname) < 0) { | |
6650 | wpa_printf(MSG_ERROR, "nl80211: Failed to add the new " | |
6651 | "interface %s to a bridge %s", | |
6652 | ifname, bridge); | |
2aec4f3c JM |
6653 | if (added) |
6654 | nl80211_remove_iface(drv, ifidx); | |
f5eb9da3 JM |
6655 | os_free(new_bss); |
6656 | return -1; | |
6657 | } | |
6658 | ||
c81eff1a BG |
6659 | if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1)) |
6660 | { | |
ea39367c MK |
6661 | if (added) |
6662 | nl80211_remove_iface(drv, ifidx); | |
07179987 | 6663 | os_free(new_bss); |
22a7c9d7 JM |
6664 | return -1; |
6665 | } | |
a2e40bb6 | 6666 | os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ); |
341eebee | 6667 | os_memcpy(new_bss->addr, if_addr, ETH_ALEN); |
a2e40bb6 FF |
6668 | new_bss->ifindex = ifidx; |
6669 | new_bss->drv = drv; | |
834ee56f KP |
6670 | new_bss->next = drv->first_bss->next; |
6671 | new_bss->freq = drv->first_bss->freq; | |
a5e1eb20 | 6672 | new_bss->ctx = bss_ctx; |
2aec4f3c | 6673 | new_bss->added_if = added; |
834ee56f | 6674 | drv->first_bss->next = new_bss; |
a2e40bb6 FF |
6675 | if (drv_priv) |
6676 | *drv_priv = new_bss; | |
cc7a48d1 | 6677 | nl80211_init_bss(new_bss); |
3dd1d890 YAP |
6678 | |
6679 | /* Subscribe management frames for this WPA_IF_AP_BSS */ | |
6680 | if (nl80211_setup_ap(new_bss)) | |
6681 | return -1; | |
22a7c9d7 | 6682 | } |
22a7c9d7 | 6683 | |
ff6a158b JM |
6684 | if (drv->global) |
6685 | drv->global->if_add_ifindex = ifidx; | |
6686 | ||
d1bb7aed JJ |
6687 | /* |
6688 | * Some virtual interfaces need to process EAPOL packets and events on | |
6689 | * the parent interface. This is used mainly with hostapd. | |
6690 | */ | |
6691 | if (ifidx > 0 && | |
6692 | (drv->hostapd || | |
6693 | nlmode == NL80211_IFTYPE_AP_VLAN || | |
6694 | nlmode == NL80211_IFTYPE_WDS || | |
6695 | nlmode == NL80211_IFTYPE_MONITOR)) | |
b36935be MB |
6696 | add_ifidx(drv, ifidx); |
6697 | ||
22a7c9d7 JM |
6698 | return 0; |
6699 | } | |
6700 | ||
6701 | ||
9ebce9c5 | 6702 | static int wpa_driver_nl80211_if_remove(struct i802_bss *bss, |
22a7c9d7 JM |
6703 | enum wpa_driver_if_type type, |
6704 | const char *ifname) | |
6705 | { | |
a2e40bb6 | 6706 | struct wpa_driver_nl80211_data *drv = bss->drv; |
22a7c9d7 JM |
6707 | int ifindex = if_nametoindex(ifname); |
6708 | ||
2aec4f3c JM |
6709 | wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d", |
6710 | __func__, type, ifname, ifindex, bss->added_if); | |
158b090c | 6711 | if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex)) |
2b72df63 | 6712 | nl80211_remove_iface(drv, ifindex); |
de884303 JM |
6713 | else if (ifindex > 0 && !bss->added_if) { |
6714 | struct wpa_driver_nl80211_data *drv2; | |
6715 | dl_list_for_each(drv2, &drv->global->interfaces, | |
6716 | struct wpa_driver_nl80211_data, list) | |
6717 | del_ifidx(drv2, ifindex); | |
6718 | } | |
c34e618d | 6719 | |
c34e618d FF |
6720 | if (type != WPA_IF_AP_BSS) |
6721 | return 0; | |
6722 | ||
e17a2477 | 6723 | if (bss->added_if_into_bridge) { |
c81eff1a BG |
6724 | if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, |
6725 | bss->ifname) < 0) | |
e17a2477 JM |
6726 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " |
6727 | "interface %s from bridge %s: %s", | |
6728 | bss->ifname, bss->brname, strerror(errno)); | |
6729 | } | |
6730 | if (bss->added_bridge) { | |
c81eff1a | 6731 | if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) |
e17a2477 JM |
6732 | wpa_printf(MSG_INFO, "nl80211: Failed to remove " |
6733 | "bridge %s: %s", | |
6734 | bss->brname, strerror(errno)); | |
6735 | } | |
a2e40bb6 | 6736 | |
834ee56f | 6737 | if (bss != drv->first_bss) { |
8546ea19 | 6738 | struct i802_bss *tbss; |
a2e40bb6 | 6739 | |
2aec4f3c | 6740 | wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it"); |
834ee56f | 6741 | for (tbss = drv->first_bss; tbss; tbss = tbss->next) { |
8546ea19 JM |
6742 | if (tbss->next == bss) { |
6743 | tbss->next = bss->next; | |
3dd1d890 YAP |
6744 | /* Unsubscribe management frames */ |
6745 | nl80211_teardown_ap(bss); | |
cc7a48d1 | 6746 | nl80211_destroy_bss(bss); |
5c9da160 MB |
6747 | if (!bss->added_if) |
6748 | i802_set_iface_flags(bss, 0); | |
8546ea19 JM |
6749 | os_free(bss); |
6750 | bss = NULL; | |
6751 | break; | |
6752 | } | |
22a7c9d7 | 6753 | } |
8546ea19 JM |
6754 | if (bss) |
6755 | wpa_printf(MSG_INFO, "nl80211: %s - could not find " | |
6756 | "BSS %p in the list", __func__, bss); | |
390e489c | 6757 | } else { |
2aec4f3c | 6758 | wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context"); |
390e489c | 6759 | nl80211_teardown_ap(bss); |
2aec4f3c JM |
6760 | if (!bss->added_if && !drv->first_bss->next) |
6761 | wpa_driver_nl80211_del_beacon(drv); | |
390e489c | 6762 | nl80211_destroy_bss(bss); |
2aec4f3c JM |
6763 | if (!bss->added_if) |
6764 | i802_set_iface_flags(bss, 0); | |
390e489c KP |
6765 | if (drv->first_bss->next) { |
6766 | drv->first_bss = drv->first_bss->next; | |
6767 | drv->ctx = drv->first_bss->ctx; | |
6768 | os_free(bss); | |
6769 | } else { | |
6770 | wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to"); | |
6771 | } | |
22a7c9d7 | 6772 | } |
22a7c9d7 JM |
6773 | |
6774 | return 0; | |
6775 | } | |
6776 | ||
6777 | ||
55777702 JM |
6778 | static int cookie_handler(struct nl_msg *msg, void *arg) |
6779 | { | |
6780 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
6781 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
6782 | u64 *cookie = arg; | |
6783 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
6784 | genlmsg_attrlen(gnlh, 0), NULL); | |
6785 | if (tb[NL80211_ATTR_COOKIE]) | |
6786 | *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]); | |
6787 | return NL_SKIP; | |
6788 | } | |
6789 | ||
6790 | ||
88df0ef7 | 6791 | static int nl80211_send_frame_cmd(struct i802_bss *bss, |
5dfca53f JB |
6792 | unsigned int freq, unsigned int wait, |
6793 | const u8 *buf, size_t buf_len, | |
88df0ef7 JB |
6794 | u64 *cookie_out, int no_cck, int no_ack, |
6795 | int offchanok) | |
9884f9cc | 6796 | { |
88df0ef7 | 6797 | struct wpa_driver_nl80211_data *drv = bss->drv; |
9884f9cc JB |
6798 | struct nl_msg *msg; |
6799 | u64 cookie; | |
6800 | int ret = -1; | |
6801 | ||
6802 | msg = nlmsg_alloc(); | |
6803 | if (!msg) | |
6804 | return -1; | |
6805 | ||
cc2ada86 | 6806 | wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d " |
2e3e4566 JM |
6807 | "no_ack=%d offchanok=%d", |
6808 | freq, wait, no_cck, no_ack, offchanok); | |
c91f796f | 6809 | wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len); |
9fb04070 | 6810 | nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME); |
9884f9cc | 6811 | |
f632e483 | 6812 | if (nl80211_set_iface_id(msg, bss) < 0) |
d3aaef80 | 6813 | goto nla_put_failure; |
c91f796f NC |
6814 | if (freq) |
6815 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
9db931ed JM |
6816 | if (wait) |
6817 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait); | |
64abb725 JM |
6818 | if (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) || |
6819 | drv->test_use_roc_tx)) | |
88df0ef7 | 6820 | NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); |
b106173a JM |
6821 | if (no_cck) |
6822 | NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE); | |
ddc53271 JM |
6823 | if (no_ack) |
6824 | NLA_PUT_FLAG(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK); | |
970fa12e | 6825 | |
9884f9cc JB |
6826 | NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf); |
6827 | ||
6828 | cookie = 0; | |
6829 | ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); | |
6830 | msg = NULL; | |
6831 | if (ret) { | |
6832 | wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d " | |
a05225c8 JM |
6833 | "(%s) (freq=%u wait=%u)", ret, strerror(-ret), |
6834 | freq, wait); | |
9884f9cc JB |
6835 | goto nla_put_failure; |
6836 | } | |
cc2ada86 | 6837 | wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; " |
ddc53271 JM |
6838 | "cookie 0x%llx", no_ack ? " (no ACK)" : "", |
6839 | (long long unsigned int) cookie); | |
9884f9cc JB |
6840 | |
6841 | if (cookie_out) | |
ddc53271 | 6842 | *cookie_out = no_ack ? (u64) -1 : cookie; |
9884f9cc JB |
6843 | |
6844 | nla_put_failure: | |
6845 | nlmsg_free(msg); | |
6846 | return ret; | |
6847 | } | |
6848 | ||
6849 | ||
9ebce9c5 JM |
6850 | static int wpa_driver_nl80211_send_action(struct i802_bss *bss, |
6851 | unsigned int freq, | |
190b9062 | 6852 | unsigned int wait_time, |
58f6fbe0 JM |
6853 | const u8 *dst, const u8 *src, |
6854 | const u8 *bssid, | |
b106173a JM |
6855 | const u8 *data, size_t data_len, |
6856 | int no_cck) | |
58f6fbe0 | 6857 | { |
a2e40bb6 | 6858 | struct wpa_driver_nl80211_data *drv = bss->drv; |
58f6fbe0 | 6859 | int ret = -1; |
58f6fbe0 JM |
6860 | u8 *buf; |
6861 | struct ieee80211_hdr *hdr; | |
58f6fbe0 | 6862 | |
5dfca53f | 6863 | wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, " |
55231068 JM |
6864 | "freq=%u MHz wait=%d ms no_cck=%d)", |
6865 | drv->ifindex, freq, wait_time, no_cck); | |
58f6fbe0 JM |
6866 | |
6867 | buf = os_zalloc(24 + data_len); | |
6868 | if (buf == NULL) | |
6869 | return ret; | |
6870 | os_memcpy(buf + 24, data, data_len); | |
6871 | hdr = (struct ieee80211_hdr *) buf; | |
6872 | hdr->frame_control = | |
6873 | IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION); | |
6874 | os_memcpy(hdr->addr1, dst, ETH_ALEN); | |
6875 | os_memcpy(hdr->addr2, src, ETH_ALEN); | |
6876 | os_memcpy(hdr->addr3, bssid, ETH_ALEN); | |
6877 | ||
f78f2785 JM |
6878 | if (is_ap_interface(drv->nlmode) && |
6879 | (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) || | |
6880 | (int) freq == bss->freq || drv->device_ap_sme || | |
6881 | !drv->use_monitor)) | |
9ebce9c5 JM |
6882 | ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len, |
6883 | 0, freq, no_cck, 1, | |
6884 | wait_time); | |
9884f9cc | 6885 | else |
88df0ef7 | 6886 | ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf, |
5dfca53f | 6887 | 24 + data_len, |
b106173a | 6888 | &drv->send_action_cookie, |
88df0ef7 | 6889 | no_cck, 0, 1); |
58f6fbe0 | 6890 | |
f8bf1421 | 6891 | os_free(buf); |
58f6fbe0 JM |
6892 | return ret; |
6893 | } | |
6894 | ||
6895 | ||
5dfca53f JB |
6896 | static void wpa_driver_nl80211_send_action_cancel_wait(void *priv) |
6897 | { | |
6898 | struct i802_bss *bss = priv; | |
6899 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
6900 | struct nl_msg *msg; | |
6901 | int ret; | |
6902 | ||
6903 | msg = nlmsg_alloc(); | |
6904 | if (!msg) | |
6905 | return; | |
6906 | ||
316a9e4d JM |
6907 | wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx", |
6908 | (long long unsigned int) drv->send_action_cookie); | |
9fb04070 | 6909 | nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME_WAIT_CANCEL); |
5dfca53f | 6910 | |
7940c790 AS |
6911 | if (nl80211_set_iface_id(msg, bss) < 0) |
6912 | goto nla_put_failure; | |
5dfca53f JB |
6913 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie); |
6914 | ||
6915 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
6916 | msg = NULL; | |
6917 | if (ret) | |
6918 | wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d " | |
6919 | "(%s)", ret, strerror(-ret)); | |
6920 | ||
6921 | nla_put_failure: | |
6922 | nlmsg_free(msg); | |
6923 | } | |
6924 | ||
6925 | ||
55777702 JM |
6926 | static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq, |
6927 | unsigned int duration) | |
6928 | { | |
a2e40bb6 FF |
6929 | struct i802_bss *bss = priv; |
6930 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
55777702 JM |
6931 | struct nl_msg *msg; |
6932 | int ret; | |
6933 | u64 cookie; | |
6934 | ||
6935 | msg = nlmsg_alloc(); | |
6936 | if (!msg) | |
6937 | return -1; | |
6938 | ||
9fb04070 | 6939 | nl80211_cmd(drv, msg, 0, NL80211_CMD_REMAIN_ON_CHANNEL); |
55777702 | 6940 | |
f632e483 | 6941 | if (nl80211_set_iface_id(msg, bss) < 0) |
d3aaef80 DS |
6942 | goto nla_put_failure; |
6943 | ||
55777702 JM |
6944 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); |
6945 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration); | |
6946 | ||
6947 | cookie = 0; | |
6948 | ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); | |
5883168a | 6949 | msg = NULL; |
55777702 JM |
6950 | if (ret == 0) { |
6951 | wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie " | |
6952 | "0x%llx for freq=%u MHz duration=%u", | |
6953 | (long long unsigned int) cookie, freq, duration); | |
6954 | drv->remain_on_chan_cookie = cookie; | |
531f0331 | 6955 | drv->pending_remain_on_chan = 1; |
55777702 JM |
6956 | return 0; |
6957 | } | |
6958 | wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel " | |
15ed5535 JM |
6959 | "(freq=%d duration=%u): %d (%s)", |
6960 | freq, duration, ret, strerror(-ret)); | |
55777702 | 6961 | nla_put_failure: |
5883168a | 6962 | nlmsg_free(msg); |
55777702 JM |
6963 | return -1; |
6964 | } | |
6965 | ||
6966 | ||
6967 | static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv) | |
6968 | { | |
a2e40bb6 FF |
6969 | struct i802_bss *bss = priv; |
6970 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
55777702 JM |
6971 | struct nl_msg *msg; |
6972 | int ret; | |
6973 | ||
6974 | if (!drv->pending_remain_on_chan) { | |
6975 | wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel " | |
6976 | "to cancel"); | |
6977 | return -1; | |
6978 | } | |
6979 | ||
6980 | wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie " | |
6981 | "0x%llx", | |
6982 | (long long unsigned int) drv->remain_on_chan_cookie); | |
6983 | ||
6984 | msg = nlmsg_alloc(); | |
6985 | if (!msg) | |
6986 | return -1; | |
6987 | ||
9fb04070 | 6988 | nl80211_cmd(drv, msg, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL); |
55777702 | 6989 | |
f632e483 | 6990 | if (nl80211_set_iface_id(msg, bss) < 0) |
d3aaef80 DS |
6991 | goto nla_put_failure; |
6992 | ||
55777702 JM |
6993 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie); |
6994 | ||
6995 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
5883168a | 6996 | msg = NULL; |
55777702 JM |
6997 | if (ret == 0) |
6998 | return 0; | |
6999 | wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: " | |
7000 | "%d (%s)", ret, strerror(-ret)); | |
7001 | nla_put_failure: | |
5883168a | 7002 | nlmsg_free(msg); |
55777702 JM |
7003 | return -1; |
7004 | } | |
7005 | ||
7006 | ||
9ebce9c5 | 7007 | static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report) |
504e905c | 7008 | { |
a2e40bb6 | 7009 | struct wpa_driver_nl80211_data *drv = bss->drv; |
504e905c | 7010 | |
5582a5d1 | 7011 | if (!report) { |
0d891981 | 7012 | if (bss->nl_preq && drv->device_ap_sme && |
b8d87ed2 AP |
7013 | is_ap_interface(drv->nlmode) && !bss->in_deinit && |
7014 | !bss->static_ap) { | |
0d891981 JM |
7015 | /* |
7016 | * Do not disable Probe Request reporting that was | |
7017 | * enabled in nl80211_setup_ap(). | |
7018 | */ | |
7019 | wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of " | |
7020 | "Probe Request reporting nl_preq=%p while " | |
7021 | "in AP mode", bss->nl_preq); | |
7022 | } else if (bss->nl_preq) { | |
36488c05 JM |
7023 | wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request " |
7024 | "reporting nl_preq=%p", bss->nl_preq); | |
5f65e9f7 | 7025 | nl80211_destroy_eloop_handle(&bss->nl_preq); |
5582a5d1 JB |
7026 | } |
7027 | return 0; | |
7028 | } | |
7029 | ||
481234cf | 7030 | if (bss->nl_preq) { |
5582a5d1 | 7031 | wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting " |
36488c05 | 7032 | "already on! nl_preq=%p", bss->nl_preq); |
5582a5d1 JB |
7033 | return 0; |
7034 | } | |
7035 | ||
481234cf JM |
7036 | bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq"); |
7037 | if (bss->nl_preq == NULL) | |
5582a5d1 | 7038 | return -1; |
36488c05 JM |
7039 | wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request " |
7040 | "reporting nl_preq=%p", bss->nl_preq); | |
5582a5d1 | 7041 | |
481234cf | 7042 | if (nl80211_register_frame(bss, bss->nl_preq, |
5582a5d1 JB |
7043 | (WLAN_FC_TYPE_MGMT << 2) | |
7044 | (WLAN_FC_STYPE_PROBE_REQ << 4), | |
a92dfde8 JB |
7045 | NULL, 0) < 0) |
7046 | goto out_err; | |
5582a5d1 | 7047 | |
5f65e9f7 JB |
7048 | nl80211_register_eloop_read(&bss->nl_preq, |
7049 | wpa_driver_nl80211_event_receive, | |
7050 | bss->nl_cb); | |
5582a5d1 | 7051 | |
504e905c | 7052 | return 0; |
5582a5d1 | 7053 | |
a92dfde8 | 7054 | out_err: |
221a59c9 | 7055 | nl_destroy_handles(&bss->nl_preq); |
5582a5d1 | 7056 | return -1; |
504e905c JM |
7057 | } |
7058 | ||
7059 | ||
4e5cb1a3 JM |
7060 | static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, |
7061 | int ifindex, int disabled) | |
7062 | { | |
7063 | struct nl_msg *msg; | |
7064 | struct nlattr *bands, *band; | |
7065 | int ret; | |
7066 | ||
7067 | msg = nlmsg_alloc(); | |
7068 | if (!msg) | |
7069 | return -1; | |
7070 | ||
9fb04070 | 7071 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_TX_BITRATE_MASK); |
4e5cb1a3 JM |
7072 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); |
7073 | ||
7074 | bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES); | |
7075 | if (!bands) | |
7076 | goto nla_put_failure; | |
7077 | ||
7078 | /* | |
7079 | * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything | |
7080 | * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS | |
7081 | * rates. All 5 GHz rates are left enabled. | |
7082 | */ | |
7083 | band = nla_nest_start(msg, NL80211_BAND_2GHZ); | |
7084 | if (!band) | |
7085 | goto nla_put_failure; | |
1dea5882 JM |
7086 | if (disabled) { |
7087 | NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8, | |
7088 | "\x0c\x12\x18\x24\x30\x48\x60\x6c"); | |
7089 | } | |
4e5cb1a3 JM |
7090 | nla_nest_end(msg, band); |
7091 | ||
7092 | nla_nest_end(msg, bands); | |
7093 | ||
7094 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
7095 | msg = NULL; | |
7096 | if (ret) { | |
7097 | wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d " | |
7098 | "(%s)", ret, strerror(-ret)); | |
1d0c6fb1 JM |
7099 | } else |
7100 | drv->disabled_11b_rates = disabled; | |
4e5cb1a3 JM |
7101 | |
7102 | return ret; | |
7103 | ||
7104 | nla_put_failure: | |
7105 | nlmsg_free(msg); | |
7106 | return -1; | |
7107 | } | |
7108 | ||
7109 | ||
af473088 JM |
7110 | static int wpa_driver_nl80211_deinit_ap(void *priv) |
7111 | { | |
a2e40bb6 FF |
7112 | struct i802_bss *bss = priv; |
7113 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
b1f625e0 | 7114 | if (!is_ap_interface(drv->nlmode)) |
af473088 JM |
7115 | return -1; |
7116 | wpa_driver_nl80211_del_beacon(drv); | |
9bc5cfa3 | 7117 | bss->beacon_set = 0; |
60b13c20 IP |
7118 | |
7119 | /* | |
7120 | * If the P2P GO interface was dynamically added, then it is | |
7121 | * possible that the interface change to station is not possible. | |
7122 | */ | |
7123 | if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic) | |
7124 | return 0; | |
7125 | ||
b1f625e0 | 7126 | return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); |
af473088 JM |
7127 | } |
7128 | ||
7129 | ||
695c7038 SW |
7130 | static int wpa_driver_nl80211_stop_ap(void *priv) |
7131 | { | |
7132 | struct i802_bss *bss = priv; | |
7133 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7134 | if (!is_ap_interface(drv->nlmode)) | |
7135 | return -1; | |
7136 | wpa_driver_nl80211_del_beacon(drv); | |
7137 | bss->beacon_set = 0; | |
7138 | return 0; | |
7139 | } | |
7140 | ||
7141 | ||
3c29244e EP |
7142 | static int wpa_driver_nl80211_deinit_p2p_cli(void *priv) |
7143 | { | |
7144 | struct i802_bss *bss = priv; | |
7145 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7146 | if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT) | |
7147 | return -1; | |
60b13c20 IP |
7148 | |
7149 | /* | |
7150 | * If the P2P Client interface was dynamically added, then it is | |
7151 | * possible that the interface change to station is not possible. | |
7152 | */ | |
7153 | if (bss->if_dynamic) | |
7154 | return 0; | |
7155 | ||
3c29244e EP |
7156 | return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); |
7157 | } | |
7158 | ||
7159 | ||
207ef3fb JM |
7160 | static void wpa_driver_nl80211_resume(void *priv) |
7161 | { | |
a2e40bb6 | 7162 | struct i802_bss *bss = priv; |
91724d6f AS |
7163 | |
7164 | if (i802_set_iface_flags(bss, 1)) | |
7165 | wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event"); | |
207ef3fb JM |
7166 | } |
7167 | ||
7168 | ||
7b90c16a JM |
7169 | static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap, |
7170 | const u8 *ies, size_t ies_len) | |
7171 | { | |
7172 | struct i802_bss *bss = priv; | |
7173 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7174 | int ret; | |
7175 | u8 *data, *pos; | |
7176 | size_t data_len; | |
341eebee | 7177 | const u8 *own_addr = bss->addr; |
7b90c16a JM |
7178 | |
7179 | if (action != 1) { | |
7180 | wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action " | |
7181 | "action %d", action); | |
7182 | return -1; | |
7183 | } | |
7184 | ||
7185 | /* | |
7186 | * Action frame payload: | |
7187 | * Category[1] = 6 (Fast BSS Transition) | |
7188 | * Action[1] = 1 (Fast BSS Transition Request) | |
7189 | * STA Address | |
7190 | * Target AP Address | |
7191 | * FT IEs | |
7192 | */ | |
7193 | ||
73fc617d JM |
7194 | data_len = 2 + 2 * ETH_ALEN + ies_len; |
7195 | data = os_malloc(data_len); | |
7b90c16a JM |
7196 | if (data == NULL) |
7197 | return -1; | |
7198 | pos = data; | |
7199 | *pos++ = 0x06; /* FT Action category */ | |
7200 | *pos++ = action; | |
7201 | os_memcpy(pos, own_addr, ETH_ALEN); | |
7202 | pos += ETH_ALEN; | |
7203 | os_memcpy(pos, target_ap, ETH_ALEN); | |
7204 | pos += ETH_ALEN; | |
7205 | os_memcpy(pos, ies, ies_len); | |
7206 | ||
190b9062 JB |
7207 | ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0, |
7208 | drv->bssid, own_addr, drv->bssid, | |
b106173a | 7209 | data, data_len, 0); |
7b90c16a JM |
7210 | os_free(data); |
7211 | ||
7212 | return ret; | |
7213 | } | |
7214 | ||
7215 | ||
b625473c JM |
7216 | static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis) |
7217 | { | |
7218 | struct i802_bss *bss = priv; | |
7219 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8970bae8 JB |
7220 | struct nl_msg *msg; |
7221 | struct nlattr *cqm; | |
f0494d0f | 7222 | int ret = -1; |
b625473c JM |
7223 | |
7224 | wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d " | |
7225 | "hysteresis=%d", threshold, hysteresis); | |
7226 | ||
7227 | msg = nlmsg_alloc(); | |
7228 | if (!msg) | |
7229 | return -1; | |
7230 | ||
9fb04070 | 7231 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM); |
b625473c JM |
7232 | |
7233 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
7234 | ||
8970bae8 | 7235 | cqm = nla_nest_start(msg, NL80211_ATTR_CQM); |
b625473c | 7236 | if (cqm == NULL) |
21270bb4 | 7237 | goto nla_put_failure; |
b625473c | 7238 | |
8970bae8 JB |
7239 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold); |
7240 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis); | |
7241 | nla_nest_end(msg, cqm); | |
21270bb4 | 7242 | |
f0494d0f | 7243 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); |
b625473c JM |
7244 | msg = NULL; |
7245 | ||
7246 | nla_put_failure: | |
b625473c | 7247 | nlmsg_free(msg); |
f0494d0f | 7248 | return ret; |
b625473c JM |
7249 | } |
7250 | ||
7251 | ||
2cc8d8f4 AO |
7252 | static int get_channel_width(struct nl_msg *msg, void *arg) |
7253 | { | |
7254 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
7255 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
7256 | struct wpa_signal_info *sig_change = arg; | |
7257 | ||
7258 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
7259 | genlmsg_attrlen(gnlh, 0), NULL); | |
7260 | ||
7261 | sig_change->center_frq1 = -1; | |
7262 | sig_change->center_frq2 = -1; | |
7263 | sig_change->chanwidth = CHAN_WIDTH_UNKNOWN; | |
7264 | ||
7265 | if (tb[NL80211_ATTR_CHANNEL_WIDTH]) { | |
7266 | sig_change->chanwidth = convert2width( | |
7267 | nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH])); | |
7268 | if (tb[NL80211_ATTR_CENTER_FREQ1]) | |
7269 | sig_change->center_frq1 = | |
7270 | nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]); | |
7271 | if (tb[NL80211_ATTR_CENTER_FREQ2]) | |
7272 | sig_change->center_frq2 = | |
7273 | nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]); | |
7274 | } | |
7275 | ||
7276 | return NL_SKIP; | |
7277 | } | |
7278 | ||
7279 | ||
7280 | static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv, | |
7281 | struct wpa_signal_info *sig) | |
7282 | { | |
7283 | struct nl_msg *msg; | |
7284 | ||
7285 | msg = nlmsg_alloc(); | |
7286 | if (!msg) | |
7287 | return -ENOMEM; | |
7288 | ||
7289 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_INTERFACE); | |
7290 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
7291 | ||
7292 | return send_and_recv_msgs(drv, msg, get_channel_width, sig); | |
7293 | ||
7294 | nla_put_failure: | |
7295 | nlmsg_free(msg); | |
7296 | return -ENOBUFS; | |
7297 | } | |
7298 | ||
7299 | ||
1c5c7273 PS |
7300 | static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si) |
7301 | { | |
7302 | struct i802_bss *bss = priv; | |
7303 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7304 | int res; | |
7305 | ||
7306 | os_memset(si, 0, sizeof(*si)); | |
7307 | res = nl80211_get_link_signal(drv, si); | |
7308 | if (res != 0) | |
7309 | return res; | |
7310 | ||
2cc8d8f4 AO |
7311 | res = nl80211_get_channel_width(drv, si); |
7312 | if (res != 0) | |
7313 | return res; | |
7314 | ||
1c5c7273 PS |
7315 | return nl80211_get_link_noise(drv, si); |
7316 | } | |
7317 | ||
7318 | ||
57ebba59 JJ |
7319 | static int wpa_driver_nl80211_shared_freq(void *priv) |
7320 | { | |
7321 | struct i802_bss *bss = priv; | |
7322 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7323 | struct wpa_driver_nl80211_data *driver; | |
7324 | int freq = 0; | |
7325 | ||
7326 | /* | |
7327 | * If the same PHY is in connected state with some other interface, | |
7328 | * then retrieve the assoc freq. | |
7329 | */ | |
7330 | wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s", | |
7331 | drv->phyname); | |
7332 | ||
7333 | dl_list_for_each(driver, &drv->global->interfaces, | |
7334 | struct wpa_driver_nl80211_data, list) { | |
7335 | if (drv == driver || | |
7336 | os_strcmp(drv->phyname, driver->phyname) != 0 || | |
7337 | !driver->associated) | |
7338 | continue; | |
7339 | ||
7340 | wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s " | |
7341 | MACSTR, | |
834ee56f KP |
7342 | driver->phyname, driver->first_bss->ifname, |
7343 | MAC2STR(driver->first_bss->addr)); | |
d3bd0f05 | 7344 | if (is_ap_interface(driver->nlmode)) |
834ee56f | 7345 | freq = driver->first_bss->freq; |
d3bd0f05 JJ |
7346 | else |
7347 | freq = nl80211_get_assoc_freq(driver); | |
57ebba59 JJ |
7348 | wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d", |
7349 | drv->phyname, freq); | |
7350 | } | |
7351 | ||
7352 | if (!freq) | |
7353 | wpa_printf(MSG_DEBUG, "nl80211: No shared interface for " | |
7354 | "PHY (%s) in associated state", drv->phyname); | |
7355 | ||
7356 | return freq; | |
7357 | } | |
7358 | ||
7359 | ||
b91ab76e JM |
7360 | static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len, |
7361 | int encrypt) | |
7362 | { | |
7363 | struct i802_bss *bss = priv; | |
55231068 JM |
7364 | return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0, |
7365 | 0, 0, 0, 0); | |
b91ab76e JM |
7366 | } |
7367 | ||
7368 | ||
c55f774d JM |
7369 | static int nl80211_set_param(void *priv, const char *param) |
7370 | { | |
c55f774d JM |
7371 | wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param); |
7372 | if (param == NULL) | |
7373 | return 0; | |
7374 | ||
7375 | #ifdef CONFIG_P2P | |
7376 | if (os_strstr(param, "use_p2p_group_interface=1")) { | |
482856c8 JM |
7377 | struct i802_bss *bss = priv; |
7378 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7379 | ||
c55f774d JM |
7380 | wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " |
7381 | "interface"); | |
7382 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; | |
7383 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; | |
7384 | } | |
7385 | #endif /* CONFIG_P2P */ | |
7386 | ||
327b01d3 JM |
7387 | if (os_strstr(param, "use_monitor=1")) { |
7388 | struct i802_bss *bss = priv; | |
7389 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7390 | drv->use_monitor = 1; | |
7391 | } | |
7392 | ||
7393 | if (os_strstr(param, "force_connect_cmd=1")) { | |
7394 | struct i802_bss *bss = priv; | |
7395 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7396 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME; | |
b497a212 | 7397 | drv->force_connect_cmd = 1; |
327b01d3 JM |
7398 | } |
7399 | ||
64abb725 JM |
7400 | if (os_strstr(param, "no_offchannel_tx=1")) { |
7401 | struct i802_bss *bss = priv; | |
7402 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7403 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX; | |
7404 | drv->test_use_roc_tx = 1; | |
7405 | } | |
7406 | ||
c55f774d JM |
7407 | return 0; |
7408 | } | |
7409 | ||
7410 | ||
f2ed8023 JM |
7411 | static void * nl80211_global_init(void) |
7412 | { | |
7413 | struct nl80211_global *global; | |
36d84860 BG |
7414 | struct netlink_config *cfg; |
7415 | ||
f2ed8023 JM |
7416 | global = os_zalloc(sizeof(*global)); |
7417 | if (global == NULL) | |
7418 | return NULL; | |
c81eff1a | 7419 | global->ioctl_sock = -1; |
f2ed8023 | 7420 | dl_list_init(&global->interfaces); |
ff6a158b | 7421 | global->if_add_ifindex = -1; |
36d84860 BG |
7422 | |
7423 | cfg = os_zalloc(sizeof(*cfg)); | |
7424 | if (cfg == NULL) | |
7425 | goto err; | |
7426 | ||
7427 | cfg->ctx = global; | |
7428 | cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink; | |
7429 | cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink; | |
7430 | global->netlink = netlink_init(cfg); | |
7431 | if (global->netlink == NULL) { | |
7432 | os_free(cfg); | |
7433 | goto err; | |
7434 | } | |
7435 | ||
2a7b66f5 BG |
7436 | if (wpa_driver_nl80211_init_nl_global(global) < 0) |
7437 | goto err; | |
7438 | ||
c81eff1a BG |
7439 | global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); |
7440 | if (global->ioctl_sock < 0) { | |
7ac3616d JM |
7441 | wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s", |
7442 | strerror(errno)); | |
c81eff1a BG |
7443 | goto err; |
7444 | } | |
7445 | ||
f2ed8023 | 7446 | return global; |
36d84860 BG |
7447 | |
7448 | err: | |
7449 | nl80211_global_deinit(global); | |
7450 | return NULL; | |
f2ed8023 JM |
7451 | } |
7452 | ||
7453 | ||
7454 | static void nl80211_global_deinit(void *priv) | |
7455 | { | |
7456 | struct nl80211_global *global = priv; | |
7457 | if (global == NULL) | |
7458 | return; | |
7459 | if (!dl_list_empty(&global->interfaces)) { | |
7460 | wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at " | |
7461 | "nl80211_global_deinit", | |
7462 | dl_list_len(&global->interfaces)); | |
7463 | } | |
36d84860 BG |
7464 | |
7465 | if (global->netlink) | |
7466 | netlink_deinit(global->netlink); | |
7467 | ||
276e2d67 BG |
7468 | nl_destroy_handles(&global->nl); |
7469 | ||
5f65e9f7 JB |
7470 | if (global->nl_event) |
7471 | nl80211_destroy_eloop_handle(&global->nl_event); | |
d6c9aab8 JB |
7472 | |
7473 | nl_cb_put(global->nl_cb); | |
2a7b66f5 | 7474 | |
c81eff1a BG |
7475 | if (global->ioctl_sock >= 0) |
7476 | close(global->ioctl_sock); | |
7477 | ||
f2ed8023 JM |
7478 | os_free(global); |
7479 | } | |
7480 | ||
7481 | ||
6859f1cb BG |
7482 | static const char * nl80211_get_radio_name(void *priv) |
7483 | { | |
7484 | struct i802_bss *bss = priv; | |
7485 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7486 | return drv->phyname; | |
7487 | } | |
7488 | ||
7489 | ||
a6efc65d JM |
7490 | static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid, |
7491 | const u8 *pmkid) | |
7492 | { | |
7493 | struct nl_msg *msg; | |
7494 | ||
7495 | msg = nlmsg_alloc(); | |
7496 | if (!msg) | |
7497 | return -ENOMEM; | |
7498 | ||
9fb04070 | 7499 | nl80211_cmd(bss->drv, msg, 0, cmd); |
a6efc65d JM |
7500 | |
7501 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); | |
7502 | if (pmkid) | |
7503 | NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid); | |
7504 | if (bssid) | |
7505 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); | |
7506 | ||
7507 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
7508 | nla_put_failure: | |
9e088e74 | 7509 | nlmsg_free(msg); |
a6efc65d JM |
7510 | return -ENOBUFS; |
7511 | } | |
7512 | ||
7513 | ||
7514 | static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) | |
7515 | { | |
7516 | struct i802_bss *bss = priv; | |
7517 | wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid)); | |
7518 | return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid); | |
7519 | } | |
7520 | ||
7521 | ||
7522 | static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) | |
7523 | { | |
7524 | struct i802_bss *bss = priv; | |
7525 | wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR, | |
7526 | MAC2STR(bssid)); | |
7527 | return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid); | |
7528 | } | |
7529 | ||
7530 | ||
7531 | static int nl80211_flush_pmkid(void *priv) | |
7532 | { | |
7533 | struct i802_bss *bss = priv; | |
7534 | wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs"); | |
7535 | return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL); | |
7536 | } | |
7537 | ||
7538 | ||
0185007c MK |
7539 | static void clean_survey_results(struct survey_results *survey_results) |
7540 | { | |
7541 | struct freq_survey *survey, *tmp; | |
7542 | ||
7543 | if (dl_list_empty(&survey_results->survey_list)) | |
7544 | return; | |
7545 | ||
7546 | dl_list_for_each_safe(survey, tmp, &survey_results->survey_list, | |
7547 | struct freq_survey, list) { | |
7548 | dl_list_del(&survey->list); | |
7549 | os_free(survey); | |
7550 | } | |
7551 | } | |
7552 | ||
7553 | ||
7554 | static void add_survey(struct nlattr **sinfo, u32 ifidx, | |
7555 | struct dl_list *survey_list) | |
7556 | { | |
7557 | struct freq_survey *survey; | |
7558 | ||
7559 | survey = os_zalloc(sizeof(struct freq_survey)); | |
7560 | if (!survey) | |
7561 | return; | |
7562 | ||
7563 | survey->ifidx = ifidx; | |
7564 | survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]); | |
7565 | survey->filled = 0; | |
7566 | ||
7567 | if (sinfo[NL80211_SURVEY_INFO_NOISE]) { | |
7568 | survey->nf = (int8_t) | |
7569 | nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); | |
7570 | survey->filled |= SURVEY_HAS_NF; | |
7571 | } | |
7572 | ||
7573 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) { | |
7574 | survey->channel_time = | |
7575 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]); | |
7576 | survey->filled |= SURVEY_HAS_CHAN_TIME; | |
7577 | } | |
7578 | ||
7579 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) { | |
7580 | survey->channel_time_busy = | |
7581 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]); | |
7582 | survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY; | |
7583 | } | |
7584 | ||
7585 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) { | |
7586 | survey->channel_time_rx = | |
7587 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]); | |
7588 | survey->filled |= SURVEY_HAS_CHAN_TIME_RX; | |
7589 | } | |
7590 | ||
7591 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) { | |
7592 | survey->channel_time_tx = | |
7593 | nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]); | |
7594 | survey->filled |= SURVEY_HAS_CHAN_TIME_TX; | |
7595 | } | |
7596 | ||
7597 | 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)", | |
7598 | survey->freq, | |
7599 | survey->nf, | |
7600 | (unsigned long int) survey->channel_time, | |
7601 | (unsigned long int) survey->channel_time_busy, | |
7602 | (unsigned long int) survey->channel_time_tx, | |
7603 | (unsigned long int) survey->channel_time_rx, | |
7604 | survey->filled); | |
7605 | ||
7606 | dl_list_add_tail(survey_list, &survey->list); | |
7607 | } | |
7608 | ||
7609 | ||
7610 | static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq, | |
7611 | unsigned int freq_filter) | |
7612 | { | |
7613 | if (!freq_filter) | |
7614 | return 1; | |
7615 | ||
7616 | return freq_filter == surveyed_freq; | |
7617 | } | |
7618 | ||
7619 | ||
7620 | static int survey_handler(struct nl_msg *msg, void *arg) | |
7621 | { | |
7622 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
7623 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
7624 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
7625 | struct survey_results *survey_results; | |
7626 | u32 surveyed_freq = 0; | |
7627 | u32 ifidx; | |
7628 | ||
7629 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
7630 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
7631 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
7632 | }; | |
7633 | ||
7634 | survey_results = (struct survey_results *) arg; | |
7635 | ||
7636 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
7637 | genlmsg_attrlen(gnlh, 0), NULL); | |
7638 | ||
e28f39b7 SJ |
7639 | if (!tb[NL80211_ATTR_IFINDEX]) |
7640 | return NL_SKIP; | |
7641 | ||
0185007c MK |
7642 | ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); |
7643 | ||
7644 | if (!tb[NL80211_ATTR_SURVEY_INFO]) | |
7645 | return NL_SKIP; | |
7646 | ||
7647 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
7648 | tb[NL80211_ATTR_SURVEY_INFO], | |
7649 | survey_policy)) | |
7650 | return NL_SKIP; | |
7651 | ||
7652 | if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) { | |
7653 | wpa_printf(MSG_ERROR, "nl80211: Invalid survey data"); | |
7654 | return NL_SKIP; | |
7655 | } | |
7656 | ||
7657 | surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]); | |
7658 | ||
7659 | if (!check_survey_ok(sinfo, surveyed_freq, | |
7660 | survey_results->freq_filter)) | |
7661 | return NL_SKIP; | |
7662 | ||
7663 | if (survey_results->freq_filter && | |
7664 | survey_results->freq_filter != surveyed_freq) { | |
7665 | wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz", | |
7666 | surveyed_freq); | |
7667 | return NL_SKIP; | |
7668 | } | |
7669 | ||
7670 | add_survey(sinfo, ifidx, &survey_results->survey_list); | |
7671 | ||
7672 | return NL_SKIP; | |
7673 | } | |
7674 | ||
7675 | ||
7676 | static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq) | |
7677 | { | |
7678 | struct i802_bss *bss = priv; | |
7679 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7680 | struct nl_msg *msg; | |
7681 | int err = -ENOBUFS; | |
7682 | union wpa_event_data data; | |
7683 | struct survey_results *survey_results; | |
7684 | ||
7685 | os_memset(&data, 0, sizeof(data)); | |
7686 | survey_results = &data.survey_results; | |
7687 | ||
7688 | dl_list_init(&survey_results->survey_list); | |
7689 | ||
7690 | msg = nlmsg_alloc(); | |
7691 | if (!msg) | |
7692 | goto nla_put_failure; | |
7693 | ||
7694 | nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); | |
7695 | ||
7696 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
7697 | ||
7698 | if (freq) | |
7699 | data.survey_results.freq_filter = freq; | |
7700 | ||
7701 | do { | |
7702 | wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data"); | |
7703 | err = send_and_recv_msgs(drv, msg, survey_handler, | |
7704 | survey_results); | |
7705 | } while (err > 0); | |
7706 | ||
7707 | if (err) { | |
7708 | wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data"); | |
7709 | goto out_clean; | |
7710 | } | |
7711 | ||
7712 | wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data); | |
7713 | ||
7714 | out_clean: | |
7715 | clean_survey_results(survey_results); | |
7716 | nla_put_failure: | |
7717 | return err; | |
7718 | } | |
7719 | ||
7720 | ||
b14a210c JB |
7721 | static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck, |
7722 | const u8 *replay_ctr) | |
7723 | { | |
7724 | struct i802_bss *bss = priv; | |
7725 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7726 | struct nlattr *replay_nested; | |
7727 | struct nl_msg *msg; | |
7728 | ||
7729 | msg = nlmsg_alloc(); | |
7730 | if (!msg) | |
7731 | return; | |
7732 | ||
9fb04070 | 7733 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD); |
b14a210c JB |
7734 | |
7735 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
7736 | ||
7737 | replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
7738 | if (!replay_nested) | |
7739 | goto nla_put_failure; | |
7740 | ||
7741 | NLA_PUT(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek); | |
7742 | NLA_PUT(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck); | |
7743 | NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN, | |
7744 | replay_ctr); | |
7745 | ||
7746 | nla_nest_end(msg, replay_nested); | |
7747 | ||
7748 | send_and_recv_msgs(drv, msg, NULL, NULL); | |
7749 | return; | |
7750 | nla_put_failure: | |
7751 | nlmsg_free(msg); | |
7752 | } | |
7753 | ||
7754 | ||
39718852 JB |
7755 | static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr, |
7756 | const u8 *addr, int qos) | |
bcf24348 | 7757 | { |
39718852 JB |
7758 | /* send data frame to poll STA and check whether |
7759 | * this frame is ACKed */ | |
bcf24348 JB |
7760 | struct { |
7761 | struct ieee80211_hdr hdr; | |
7762 | u16 qos_ctl; | |
7763 | } STRUCT_PACKED nulldata; | |
7764 | size_t size; | |
7765 | ||
7766 | /* Send data frame to poll STA and check whether this frame is ACKed */ | |
7767 | ||
7768 | os_memset(&nulldata, 0, sizeof(nulldata)); | |
7769 | ||
7770 | if (qos) { | |
7771 | nulldata.hdr.frame_control = | |
7772 | IEEE80211_FC(WLAN_FC_TYPE_DATA, | |
7773 | WLAN_FC_STYPE_QOS_NULL); | |
7774 | size = sizeof(nulldata); | |
7775 | } else { | |
7776 | nulldata.hdr.frame_control = | |
7777 | IEEE80211_FC(WLAN_FC_TYPE_DATA, | |
7778 | WLAN_FC_STYPE_NULLFUNC); | |
7779 | size = sizeof(struct ieee80211_hdr); | |
7780 | } | |
7781 | ||
7782 | nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS); | |
7783 | os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN); | |
7784 | os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); | |
7785 | os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); | |
7786 | ||
9ebce9c5 JM |
7787 | if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0, |
7788 | 0, 0) < 0) | |
bcf24348 JB |
7789 | wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to " |
7790 | "send poll frame"); | |
7791 | } | |
7792 | ||
39718852 JB |
7793 | static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr, |
7794 | int qos) | |
7795 | { | |
7796 | struct i802_bss *bss = priv; | |
7797 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7798 | struct nl_msg *msg; | |
7799 | ||
7800 | if (!drv->poll_command_supported) { | |
7801 | nl80211_send_null_frame(bss, own_addr, addr, qos); | |
7802 | return; | |
7803 | } | |
7804 | ||
7805 | msg = nlmsg_alloc(); | |
7806 | if (!msg) | |
7807 | return; | |
7808 | ||
7809 | nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT); | |
7810 | ||
7811 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
7812 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); | |
7813 | ||
7814 | send_and_recv_msgs(drv, msg, NULL, NULL); | |
7815 | return; | |
7816 | nla_put_failure: | |
7817 | nlmsg_free(msg); | |
7818 | } | |
7819 | ||
bcf24348 | 7820 | |
29f338af JM |
7821 | static int nl80211_set_power_save(struct i802_bss *bss, int enabled) |
7822 | { | |
7823 | struct nl_msg *msg; | |
7824 | ||
7825 | msg = nlmsg_alloc(); | |
7826 | if (!msg) | |
7827 | return -ENOMEM; | |
7828 | ||
7829 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE); | |
7830 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); | |
7831 | NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, | |
7832 | enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED); | |
7833 | return send_and_recv_msgs(bss->drv, msg, NULL, NULL); | |
7834 | nla_put_failure: | |
7835 | nlmsg_free(msg); | |
7836 | return -ENOBUFS; | |
7837 | } | |
7838 | ||
7839 | ||
7840 | static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps, | |
7841 | int ctwindow) | |
7842 | { | |
7843 | struct i802_bss *bss = priv; | |
7844 | ||
7845 | wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d " | |
7846 | "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow); | |
7847 | ||
0de38036 JM |
7848 | if (opp_ps != -1 || ctwindow != -1) { |
7849 | #ifdef ANDROID_P2P | |
7850 | wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow); | |
7851 | #else /* ANDROID_P2P */ | |
29f338af | 7852 | return -1; /* Not yet supported */ |
0de38036 JM |
7853 | #endif /* ANDROID_P2P */ |
7854 | } | |
29f338af JM |
7855 | |
7856 | if (legacy_ps == -1) | |
7857 | return 0; | |
7858 | if (legacy_ps != 0 && legacy_ps != 1) | |
7859 | return -1; /* Not yet supported */ | |
7860 | ||
7861 | return nl80211_set_power_save(bss, legacy_ps); | |
7862 | } | |
7863 | ||
7864 | ||
04e8003c JD |
7865 | static int nl80211_start_radar_detection(void *priv, |
7866 | struct hostapd_freq_params *freq) | |
f90e9c1c SW |
7867 | { |
7868 | struct i802_bss *bss = priv; | |
7869 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7870 | struct nl_msg *msg; | |
7871 | int ret; | |
7872 | ||
04e8003c JD |
7873 | wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)", |
7874 | freq->freq, freq->ht_enabled, freq->vht_enabled, | |
7875 | freq->bandwidth, freq->center_freq1, freq->center_freq2); | |
7876 | ||
f90e9c1c SW |
7877 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) { |
7878 | wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar " | |
7879 | "detection"); | |
7880 | return -1; | |
7881 | } | |
7882 | ||
7883 | msg = nlmsg_alloc(); | |
7884 | if (!msg) | |
7885 | return -1; | |
7886 | ||
7887 | nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_RADAR_DETECT); | |
7888 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
f90e9c1c | 7889 | |
ed8e0059 JD |
7890 | if (nl80211_put_freq_params(msg, freq) < 0) |
7891 | goto nla_put_failure; | |
f90e9c1c SW |
7892 | |
7893 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
dbdc9a1d | 7894 | msg = NULL; |
f90e9c1c SW |
7895 | if (ret == 0) |
7896 | return 0; | |
7897 | wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: " | |
7898 | "%d (%s)", ret, strerror(-ret)); | |
7899 | nla_put_failure: | |
dbdc9a1d | 7900 | nlmsg_free(msg); |
f90e9c1c SW |
7901 | return -1; |
7902 | } | |
7903 | ||
03ea1786 AN |
7904 | #ifdef CONFIG_TDLS |
7905 | ||
7906 | static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code, | |
7907 | u8 dialog_token, u16 status_code, | |
984dadc2 AN |
7908 | u32 peer_capab, int initiator, const u8 *buf, |
7909 | size_t len) | |
03ea1786 AN |
7910 | { |
7911 | struct i802_bss *bss = priv; | |
7912 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7913 | struct nl_msg *msg; | |
7914 | ||
7915 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
7916 | return -EOPNOTSUPP; | |
7917 | ||
7918 | if (!dst) | |
7919 | return -EINVAL; | |
7920 | ||
7921 | msg = nlmsg_alloc(); | |
7922 | if (!msg) | |
7923 | return -ENOMEM; | |
7924 | ||
7925 | nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_MGMT); | |
7926 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
7927 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); | |
7928 | NLA_PUT_U8(msg, NL80211_ATTR_TDLS_ACTION, action_code); | |
7929 | NLA_PUT_U8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token); | |
7930 | NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status_code); | |
96ecea5e SD |
7931 | if (peer_capab) { |
7932 | /* | |
7933 | * The internal enum tdls_peer_capability definition is | |
7934 | * currently identical with the nl80211 enum | |
7935 | * nl80211_tdls_peer_capability, so no conversion is needed | |
7936 | * here. | |
7937 | */ | |
7938 | NLA_PUT_U32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY, peer_capab); | |
7939 | } | |
984dadc2 AN |
7940 | if (initiator) |
7941 | NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_INITIATOR); | |
03ea1786 AN |
7942 | NLA_PUT(msg, NL80211_ATTR_IE, len, buf); |
7943 | ||
7944 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
7945 | ||
7946 | nla_put_failure: | |
7947 | nlmsg_free(msg); | |
7948 | return -ENOBUFS; | |
7949 | } | |
7950 | ||
7951 | ||
7952 | static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer) | |
7953 | { | |
7954 | struct i802_bss *bss = priv; | |
7955 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
7956 | struct nl_msg *msg; | |
7957 | enum nl80211_tdls_operation nl80211_oper; | |
7958 | ||
7959 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) | |
7960 | return -EOPNOTSUPP; | |
7961 | ||
7962 | switch (oper) { | |
7963 | case TDLS_DISCOVERY_REQ: | |
7964 | nl80211_oper = NL80211_TDLS_DISCOVERY_REQ; | |
7965 | break; | |
7966 | case TDLS_SETUP: | |
7967 | nl80211_oper = NL80211_TDLS_SETUP; | |
7968 | break; | |
7969 | case TDLS_TEARDOWN: | |
7970 | nl80211_oper = NL80211_TDLS_TEARDOWN; | |
7971 | break; | |
7972 | case TDLS_ENABLE_LINK: | |
7973 | nl80211_oper = NL80211_TDLS_ENABLE_LINK; | |
7974 | break; | |
7975 | case TDLS_DISABLE_LINK: | |
7976 | nl80211_oper = NL80211_TDLS_DISABLE_LINK; | |
7977 | break; | |
7978 | case TDLS_ENABLE: | |
7979 | return 0; | |
7980 | case TDLS_DISABLE: | |
7981 | return 0; | |
7982 | default: | |
7983 | return -EINVAL; | |
7984 | } | |
7985 | ||
7986 | msg = nlmsg_alloc(); | |
7987 | if (!msg) | |
7988 | return -ENOMEM; | |
7989 | ||
7990 | nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_OPER); | |
7991 | NLA_PUT_U8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper); | |
7992 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
7993 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); | |
7994 | ||
7995 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
7996 | ||
7997 | nla_put_failure: | |
7998 | nlmsg_free(msg); | |
7999 | return -ENOBUFS; | |
8000 | } | |
8001 | ||
8002 | #endif /* CONFIG TDLS */ | |
8003 | ||
8004 | ||
9ebce9c5 JM |
8005 | static int driver_nl80211_set_key(const char *ifname, void *priv, |
8006 | enum wpa_alg alg, const u8 *addr, | |
8007 | int key_idx, int set_tx, | |
8008 | const u8 *seq, size_t seq_len, | |
8009 | const u8 *key, size_t key_len) | |
8010 | { | |
8011 | struct i802_bss *bss = priv; | |
8012 | return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx, | |
8013 | set_tx, seq, seq_len, key, key_len); | |
8014 | } | |
8015 | ||
8016 | ||
8017 | static int driver_nl80211_scan2(void *priv, | |
8018 | struct wpa_driver_scan_params *params) | |
8019 | { | |
8020 | struct i802_bss *bss = priv; | |
8021 | return wpa_driver_nl80211_scan(bss, params); | |
8022 | } | |
8023 | ||
8024 | ||
8025 | static int driver_nl80211_deauthenticate(void *priv, const u8 *addr, | |
8026 | int reason_code) | |
8027 | { | |
8028 | struct i802_bss *bss = priv; | |
8029 | return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code); | |
8030 | } | |
8031 | ||
8032 | ||
8033 | static int driver_nl80211_authenticate(void *priv, | |
8034 | struct wpa_driver_auth_params *params) | |
8035 | { | |
8036 | struct i802_bss *bss = priv; | |
8037 | return wpa_driver_nl80211_authenticate(bss, params); | |
8038 | } | |
8039 | ||
8040 | ||
8041 | static void driver_nl80211_deinit(void *priv) | |
8042 | { | |
8043 | struct i802_bss *bss = priv; | |
8044 | wpa_driver_nl80211_deinit(bss); | |
8045 | } | |
8046 | ||
8047 | ||
8048 | static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type, | |
8049 | const char *ifname) | |
8050 | { | |
8051 | struct i802_bss *bss = priv; | |
8052 | return wpa_driver_nl80211_if_remove(bss, type, ifname); | |
8053 | } | |
8054 | ||
8055 | ||
8056 | static int driver_nl80211_send_mlme(void *priv, const u8 *data, | |
8057 | size_t data_len, int noack) | |
8058 | { | |
8059 | struct i802_bss *bss = priv; | |
8060 | return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack, | |
8061 | 0, 0, 0, 0); | |
8062 | } | |
8063 | ||
8064 | ||
8065 | static int driver_nl80211_sta_remove(void *priv, const u8 *addr) | |
8066 | { | |
8067 | struct i802_bss *bss = priv; | |
59d7148a | 8068 | return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0); |
9ebce9c5 JM |
8069 | } |
8070 | ||
8071 | ||
9ebce9c5 JM |
8072 | static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr, |
8073 | const char *ifname, int vlan_id) | |
8074 | { | |
8075 | struct i802_bss *bss = priv; | |
8076 | return i802_set_sta_vlan(bss, addr, ifname, vlan_id); | |
8077 | } | |
9ebce9c5 JM |
8078 | |
8079 | ||
8080 | static int driver_nl80211_read_sta_data(void *priv, | |
8081 | struct hostap_sta_driver_data *data, | |
8082 | const u8 *addr) | |
8083 | { | |
8084 | struct i802_bss *bss = priv; | |
8085 | return i802_read_sta_data(bss, data, addr); | |
8086 | } | |
8087 | ||
8088 | ||
8089 | static int driver_nl80211_send_action(void *priv, unsigned int freq, | |
8090 | unsigned int wait_time, | |
8091 | const u8 *dst, const u8 *src, | |
8092 | const u8 *bssid, | |
8093 | const u8 *data, size_t data_len, | |
8094 | int no_cck) | |
8095 | { | |
8096 | struct i802_bss *bss = priv; | |
8097 | return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src, | |
8098 | bssid, data, data_len, no_cck); | |
8099 | } | |
8100 | ||
8101 | ||
8102 | static int driver_nl80211_probe_req_report(void *priv, int report) | |
8103 | { | |
8104 | struct i802_bss *bss = priv; | |
8105 | return wpa_driver_nl80211_probe_req_report(bss, report); | |
8106 | } | |
8107 | ||
8108 | ||
6a1ce395 DG |
8109 | static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md, |
8110 | const u8 *ies, size_t ies_len) | |
8111 | { | |
8112 | int ret; | |
8113 | struct nl_msg *msg; | |
8114 | struct i802_bss *bss = priv; | |
8115 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8116 | u16 mdid = WPA_GET_LE16(md); | |
8117 | ||
8118 | msg = nlmsg_alloc(); | |
8119 | if (!msg) | |
8120 | return -ENOMEM; | |
8121 | ||
8122 | wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs"); | |
8123 | nl80211_cmd(drv, msg, 0, NL80211_CMD_UPDATE_FT_IES); | |
8124 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
8125 | NLA_PUT(msg, NL80211_ATTR_IE, ies_len, ies); | |
8126 | NLA_PUT_U16(msg, NL80211_ATTR_MDID, mdid); | |
8127 | ||
8128 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8129 | if (ret) { | |
8130 | wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed " | |
8131 | "err=%d (%s)", ret, strerror(-ret)); | |
8132 | } | |
8133 | ||
8134 | return ret; | |
8135 | ||
8136 | nla_put_failure: | |
8137 | nlmsg_free(msg); | |
8138 | return -ENOBUFS; | |
8139 | } | |
8140 | ||
8141 | ||
597b94f5 AS |
8142 | const u8 * wpa_driver_nl80211_get_macaddr(void *priv) |
8143 | { | |
8144 | struct i802_bss *bss = priv; | |
8145 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8146 | ||
8147 | if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) | |
8148 | return NULL; | |
8149 | ||
8150 | return bss->addr; | |
8151 | } | |
8152 | ||
8153 | ||
a771c07d JM |
8154 | static const char * scan_state_str(enum scan_states scan_state) |
8155 | { | |
8156 | switch (scan_state) { | |
8157 | case NO_SCAN: | |
8158 | return "NO_SCAN"; | |
8159 | case SCAN_REQUESTED: | |
8160 | return "SCAN_REQUESTED"; | |
8161 | case SCAN_STARTED: | |
8162 | return "SCAN_STARTED"; | |
8163 | case SCAN_COMPLETED: | |
8164 | return "SCAN_COMPLETED"; | |
8165 | case SCAN_ABORTED: | |
8166 | return "SCAN_ABORTED"; | |
8167 | case SCHED_SCAN_STARTED: | |
8168 | return "SCHED_SCAN_STARTED"; | |
8169 | case SCHED_SCAN_STOPPED: | |
8170 | return "SCHED_SCAN_STOPPED"; | |
8171 | case SCHED_SCAN_RESULTS: | |
8172 | return "SCHED_SCAN_RESULTS"; | |
8173 | } | |
8174 | ||
8175 | return "??"; | |
8176 | } | |
8177 | ||
8178 | ||
8179 | static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen) | |
8180 | { | |
8181 | struct i802_bss *bss = priv; | |
8182 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8183 | int res; | |
8184 | char *pos, *end; | |
8185 | ||
8186 | pos = buf; | |
8187 | end = buf + buflen; | |
8188 | ||
8189 | res = os_snprintf(pos, end - pos, | |
8190 | "ifindex=%d\n" | |
8191 | "ifname=%s\n" | |
8192 | "brname=%s\n" | |
8193 | "addr=" MACSTR "\n" | |
8194 | "freq=%d\n" | |
8195 | "%s%s%s%s%s", | |
8196 | bss->ifindex, | |
8197 | bss->ifname, | |
8198 | bss->brname, | |
8199 | MAC2STR(bss->addr), | |
8200 | bss->freq, | |
8201 | bss->beacon_set ? "beacon_set=1\n" : "", | |
8202 | bss->added_if_into_bridge ? | |
8203 | "added_if_into_bridge=1\n" : "", | |
8204 | bss->added_bridge ? "added_bridge=1\n" : "", | |
8205 | bss->in_deinit ? "in_deinit=1\n" : "", | |
8206 | bss->if_dynamic ? "if_dynamic=1\n" : ""); | |
8207 | if (res < 0 || res >= end - pos) | |
8208 | return pos - buf; | |
8209 | pos += res; | |
8210 | ||
8211 | if (bss->wdev_id_set) { | |
8212 | res = os_snprintf(pos, end - pos, "wdev_id=%llu\n", | |
8213 | (unsigned long long) bss->wdev_id); | |
8214 | if (res < 0 || res >= end - pos) | |
8215 | return pos - buf; | |
8216 | pos += res; | |
8217 | } | |
8218 | ||
8219 | res = os_snprintf(pos, end - pos, | |
8220 | "phyname=%s\n" | |
fee354c7 | 8221 | "perm_addr=" MACSTR "\n" |
a771c07d JM |
8222 | "drv_ifindex=%d\n" |
8223 | "operstate=%d\n" | |
8224 | "scan_state=%s\n" | |
8225 | "auth_bssid=" MACSTR "\n" | |
8226 | "auth_attempt_bssid=" MACSTR "\n" | |
8227 | "bssid=" MACSTR "\n" | |
8228 | "prev_bssid=" MACSTR "\n" | |
8229 | "associated=%d\n" | |
8230 | "assoc_freq=%u\n" | |
8231 | "monitor_sock=%d\n" | |
8232 | "monitor_ifidx=%d\n" | |
8233 | "monitor_refcount=%d\n" | |
8234 | "last_mgmt_freq=%u\n" | |
8235 | "eapol_tx_sock=%d\n" | |
97752f79 | 8236 | "%s%s%s%s%s%s%s%s%s%s%s%s%s", |
a771c07d | 8237 | drv->phyname, |
fee354c7 | 8238 | MAC2STR(drv->perm_addr), |
a771c07d JM |
8239 | drv->ifindex, |
8240 | drv->operstate, | |
8241 | scan_state_str(drv->scan_state), | |
8242 | MAC2STR(drv->auth_bssid), | |
8243 | MAC2STR(drv->auth_attempt_bssid), | |
8244 | MAC2STR(drv->bssid), | |
8245 | MAC2STR(drv->prev_bssid), | |
8246 | drv->associated, | |
8247 | drv->assoc_freq, | |
8248 | drv->monitor_sock, | |
8249 | drv->monitor_ifidx, | |
8250 | drv->monitor_refcount, | |
8251 | drv->last_mgmt_freq, | |
8252 | drv->eapol_tx_sock, | |
8253 | drv->ignore_if_down_event ? | |
8254 | "ignore_if_down_event=1\n" : "", | |
8255 | drv->scan_complete_events ? | |
8256 | "scan_complete_events=1\n" : "", | |
8257 | drv->disabled_11b_rates ? | |
8258 | "disabled_11b_rates=1\n" : "", | |
8259 | drv->pending_remain_on_chan ? | |
8260 | "pending_remain_on_chan=1\n" : "", | |
8261 | drv->in_interface_list ? "in_interface_list=1\n" : "", | |
8262 | drv->device_ap_sme ? "device_ap_sme=1\n" : "", | |
8263 | drv->poll_command_supported ? | |
8264 | "poll_command_supported=1\n" : "", | |
8265 | drv->data_tx_status ? "data_tx_status=1\n" : "", | |
8266 | drv->scan_for_auth ? "scan_for_auth=1\n" : "", | |
8267 | drv->retry_auth ? "retry_auth=1\n" : "", | |
8268 | drv->use_monitor ? "use_monitor=1\n" : "", | |
8269 | drv->ignore_next_local_disconnect ? | |
8270 | "ignore_next_local_disconnect=1\n" : "", | |
d6a36f39 | 8271 | drv->ignore_next_local_deauth ? |
97752f79 | 8272 | "ignore_next_local_deauth=1\n" : ""); |
a771c07d JM |
8273 | if (res < 0 || res >= end - pos) |
8274 | return pos - buf; | |
8275 | pos += res; | |
8276 | ||
8277 | if (drv->has_capability) { | |
8278 | res = os_snprintf(pos, end - pos, | |
8279 | "capa.key_mgmt=0x%x\n" | |
8280 | "capa.enc=0x%x\n" | |
8281 | "capa.auth=0x%x\n" | |
24bd4e0b | 8282 | "capa.flags=0x%llx\n" |
a771c07d JM |
8283 | "capa.max_scan_ssids=%d\n" |
8284 | "capa.max_sched_scan_ssids=%d\n" | |
8285 | "capa.sched_scan_supported=%d\n" | |
8286 | "capa.max_match_sets=%d\n" | |
8287 | "capa.max_remain_on_chan=%u\n" | |
8288 | "capa.max_stations=%u\n" | |
8289 | "capa.probe_resp_offloads=0x%x\n" | |
8290 | "capa.max_acl_mac_addrs=%u\n" | |
8291 | "capa.num_multichan_concurrent=%u\n", | |
8292 | drv->capa.key_mgmt, | |
8293 | drv->capa.enc, | |
8294 | drv->capa.auth, | |
24bd4e0b | 8295 | (unsigned long long) drv->capa.flags, |
a771c07d JM |
8296 | drv->capa.max_scan_ssids, |
8297 | drv->capa.max_sched_scan_ssids, | |
8298 | drv->capa.sched_scan_supported, | |
8299 | drv->capa.max_match_sets, | |
8300 | drv->capa.max_remain_on_chan, | |
8301 | drv->capa.max_stations, | |
8302 | drv->capa.probe_resp_offloads, | |
8303 | drv->capa.max_acl_mac_addrs, | |
8304 | drv->capa.num_multichan_concurrent); | |
8305 | if (res < 0 || res >= end - pos) | |
8306 | return pos - buf; | |
8307 | pos += res; | |
8308 | } | |
8309 | ||
8310 | return pos - buf; | |
8311 | } | |
8312 | ||
8313 | ||
1c4ffa87 AO |
8314 | static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings) |
8315 | { | |
8316 | if (settings->head) | |
8317 | NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, | |
8318 | settings->head_len, settings->head); | |
8319 | ||
8320 | if (settings->tail) | |
8321 | NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, | |
8322 | settings->tail_len, settings->tail); | |
8323 | ||
8324 | if (settings->beacon_ies) | |
8325 | NLA_PUT(msg, NL80211_ATTR_IE, | |
8326 | settings->beacon_ies_len, settings->beacon_ies); | |
8327 | ||
8328 | if (settings->proberesp_ies) | |
8329 | NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP, | |
8330 | settings->proberesp_ies_len, settings->proberesp_ies); | |
8331 | ||
8332 | if (settings->assocresp_ies) | |
8333 | NLA_PUT(msg, | |
8334 | NL80211_ATTR_IE_ASSOC_RESP, | |
8335 | settings->assocresp_ies_len, settings->assocresp_ies); | |
8336 | ||
8337 | if (settings->probe_resp) | |
8338 | NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, | |
8339 | settings->probe_resp_len, settings->probe_resp); | |
8340 | ||
8341 | return 0; | |
8342 | ||
8343 | nla_put_failure: | |
8344 | return -ENOBUFS; | |
8345 | } | |
8346 | ||
8347 | ||
8348 | static int nl80211_switch_channel(void *priv, struct csa_settings *settings) | |
8349 | { | |
8350 | struct nl_msg *msg; | |
8351 | struct i802_bss *bss = priv; | |
8352 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8353 | struct nlattr *beacon_csa; | |
8354 | int ret = -ENOBUFS; | |
8355 | ||
8d1fdde7 | 8356 | wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)", |
1c4ffa87 | 8357 | settings->cs_count, settings->block_tx, |
8d1fdde7 JD |
8358 | settings->freq_params.freq, settings->freq_params.bandwidth, |
8359 | settings->freq_params.center_freq1, | |
8360 | settings->freq_params.center_freq2); | |
1c4ffa87 | 8361 | |
991aa9c7 | 8362 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) { |
1c4ffa87 AO |
8363 | wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command"); |
8364 | return -EOPNOTSUPP; | |
8365 | } | |
8366 | ||
8367 | if ((drv->nlmode != NL80211_IFTYPE_AP) && | |
8368 | (drv->nlmode != NL80211_IFTYPE_P2P_GO)) | |
8369 | return -EOPNOTSUPP; | |
8370 | ||
8371 | /* check settings validity */ | |
8372 | if (!settings->beacon_csa.tail || | |
8373 | ((settings->beacon_csa.tail_len <= | |
8374 | settings->counter_offset_beacon) || | |
8375 | (settings->beacon_csa.tail[settings->counter_offset_beacon] != | |
8376 | settings->cs_count))) | |
8377 | return -EINVAL; | |
8378 | ||
8379 | if (settings->beacon_csa.probe_resp && | |
8380 | ((settings->beacon_csa.probe_resp_len <= | |
8381 | settings->counter_offset_presp) || | |
8382 | (settings->beacon_csa.probe_resp[settings->counter_offset_presp] != | |
8383 | settings->cs_count))) | |
8384 | return -EINVAL; | |
8385 | ||
8386 | msg = nlmsg_alloc(); | |
8387 | if (!msg) | |
8388 | return -ENOMEM; | |
8389 | ||
8390 | nl80211_cmd(drv, msg, 0, NL80211_CMD_CHANNEL_SWITCH); | |
6782b684 | 8391 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); |
1c4ffa87 AO |
8392 | NLA_PUT_U32(msg, NL80211_ATTR_CH_SWITCH_COUNT, settings->cs_count); |
8393 | ret = nl80211_put_freq_params(msg, &settings->freq_params); | |
8394 | if (ret) | |
8395 | goto error; | |
8396 | ||
8397 | if (settings->block_tx) | |
8398 | NLA_PUT_FLAG(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX); | |
8399 | ||
8400 | /* beacon_after params */ | |
8401 | ret = set_beacon_data(msg, &settings->beacon_after); | |
8402 | if (ret) | |
8403 | goto error; | |
8404 | ||
8405 | /* beacon_csa params */ | |
8406 | beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES); | |
8407 | if (!beacon_csa) | |
8408 | goto nla_put_failure; | |
8409 | ||
8410 | ret = set_beacon_data(msg, &settings->beacon_csa); | |
8411 | if (ret) | |
8412 | goto error; | |
8413 | ||
8414 | NLA_PUT_U16(msg, NL80211_ATTR_CSA_C_OFF_BEACON, | |
8415 | settings->counter_offset_beacon); | |
8416 | ||
8417 | if (settings->beacon_csa.probe_resp) | |
8418 | NLA_PUT_U16(msg, NL80211_ATTR_CSA_C_OFF_PRESP, | |
8419 | settings->counter_offset_presp); | |
8420 | ||
8421 | nla_nest_end(msg, beacon_csa); | |
8422 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8423 | if (ret) { | |
8424 | wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)", | |
8425 | ret, strerror(-ret)); | |
8426 | } | |
8427 | return ret; | |
8428 | ||
8429 | nla_put_failure: | |
8430 | ret = -ENOBUFS; | |
8431 | error: | |
8432 | nlmsg_free(msg); | |
8433 | wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request"); | |
8434 | return ret; | |
8435 | } | |
8436 | ||
8437 | ||
6b9f7af6 JM |
8438 | #ifdef CONFIG_TESTING_OPTIONS |
8439 | static int cmd_reply_handler(struct nl_msg *msg, void *arg) | |
8440 | { | |
8441 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
8442 | struct wpabuf *buf = arg; | |
8443 | ||
8444 | if (!buf) | |
8445 | return NL_SKIP; | |
8446 | ||
8447 | if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) { | |
8448 | wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply"); | |
8449 | return NL_SKIP; | |
8450 | } | |
8451 | ||
8452 | wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0), | |
8453 | genlmsg_attrlen(gnlh, 0)); | |
8454 | ||
8455 | return NL_SKIP; | |
8456 | } | |
8457 | #endif /* CONFIG_TESTING_OPTIONS */ | |
8458 | ||
8459 | ||
adef8948 BL |
8460 | static int vendor_reply_handler(struct nl_msg *msg, void *arg) |
8461 | { | |
8462 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
8463 | struct nlattr *nl_vendor_reply, *nl; | |
8464 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
8465 | struct wpabuf *buf = arg; | |
8466 | int rem; | |
8467 | ||
8468 | if (!buf) | |
8469 | return NL_SKIP; | |
8470 | ||
8471 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
8472 | genlmsg_attrlen(gnlh, 0), NULL); | |
8473 | nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA]; | |
8474 | ||
8475 | if (!nl_vendor_reply) | |
8476 | return NL_SKIP; | |
8477 | ||
8478 | if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) { | |
8479 | wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply"); | |
8480 | return NL_SKIP; | |
8481 | } | |
8482 | ||
8483 | nla_for_each_nested(nl, nl_vendor_reply, rem) { | |
8484 | wpabuf_put_data(buf, nla_data(nl), nla_len(nl)); | |
8485 | } | |
8486 | ||
8487 | return NL_SKIP; | |
8488 | } | |
8489 | ||
8490 | ||
8491 | static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id, | |
8492 | unsigned int subcmd, const u8 *data, | |
8493 | size_t data_len, struct wpabuf *buf) | |
8494 | { | |
8495 | struct i802_bss *bss = priv; | |
8496 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8497 | struct nl_msg *msg; | |
8498 | int ret; | |
8499 | ||
8500 | msg = nlmsg_alloc(); | |
8501 | if (!msg) | |
8502 | return -ENOMEM; | |
8503 | ||
6b9f7af6 JM |
8504 | #ifdef CONFIG_TESTING_OPTIONS |
8505 | if (vendor_id == 0xffffffff) { | |
8506 | nl80211_cmd(drv, msg, 0, subcmd); | |
8507 | if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) < | |
8508 | 0) | |
8509 | goto nla_put_failure; | |
8510 | ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf); | |
8511 | if (ret) | |
8512 | wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d", | |
8513 | ret); | |
8514 | return ret; | |
8515 | } | |
8516 | #endif /* CONFIG_TESTING_OPTIONS */ | |
8517 | ||
adef8948 BL |
8518 | nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR); |
8519 | if (nl80211_set_iface_id(msg, bss) < 0) | |
8520 | goto nla_put_failure; | |
8521 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, vendor_id); | |
8522 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd); | |
8523 | if (data) | |
8524 | NLA_PUT(msg, NL80211_ATTR_VENDOR_DATA, data_len, data); | |
8525 | ||
8526 | ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf); | |
8527 | if (ret) | |
8528 | wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d", | |
8529 | ret); | |
8530 | return ret; | |
8531 | ||
8532 | nla_put_failure: | |
8533 | nlmsg_free(msg); | |
8534 | return -ENOBUFS; | |
8535 | } | |
8536 | ||
8537 | ||
049105b4 KP |
8538 | static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set, |
8539 | u8 qos_map_set_len) | |
8540 | { | |
8541 | struct i802_bss *bss = priv; | |
8542 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8543 | struct nl_msg *msg; | |
8544 | int ret; | |
8545 | ||
8546 | msg = nlmsg_alloc(); | |
8547 | if (!msg) | |
8548 | return -ENOMEM; | |
8549 | ||
8550 | wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map", | |
8551 | qos_map_set, qos_map_set_len); | |
8552 | ||
8553 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_QOS_MAP); | |
8554 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
8555 | NLA_PUT(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set); | |
8556 | ||
8557 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8558 | if (ret) | |
8559 | wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed"); | |
8560 | ||
8561 | return ret; | |
8562 | ||
8563 | nla_put_failure: | |
8564 | nlmsg_free(msg); | |
8565 | return -ENOBUFS; | |
8566 | } | |
8567 | ||
8568 | ||
e4fa8b12 EP |
8569 | static int nl80211_set_wowlan(void *priv, |
8570 | const struct wowlan_triggers *triggers) | |
8571 | { | |
8572 | struct i802_bss *bss = priv; | |
8573 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8574 | struct nl_msg *msg; | |
8575 | struct nlattr *wowlan_triggers; | |
8576 | int ret; | |
8577 | ||
8578 | msg = nlmsg_alloc(); | |
8579 | if (!msg) | |
8580 | return -ENOMEM; | |
8581 | ||
8582 | wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan"); | |
8583 | ||
8584 | nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WOWLAN); | |
8585 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
8586 | ||
8587 | wowlan_triggers = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
8588 | if (!wowlan_triggers) | |
8589 | goto nla_put_failure; | |
8590 | ||
8591 | if (triggers->any) | |
8592 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); | |
8593 | if (triggers->disconnect) | |
8594 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); | |
8595 | if (triggers->magic_pkt) | |
8596 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); | |
8597 | if (triggers->gtk_rekey_failure) | |
8598 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); | |
8599 | if (triggers->eap_identity_req) | |
8600 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); | |
8601 | if (triggers->four_way_handshake) | |
8602 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); | |
8603 | if (triggers->rfkill_release) | |
8604 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); | |
8605 | ||
8606 | nla_nest_end(msg, wowlan_triggers); | |
8607 | ||
8608 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8609 | if (ret) | |
8610 | wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed"); | |
8611 | ||
8612 | return ret; | |
8613 | ||
8614 | nla_put_failure: | |
8615 | nlmsg_free(msg); | |
8616 | return -ENOBUFS; | |
8617 | } | |
8618 | ||
8619 | ||
0800f9ee JM |
8620 | static int nl80211_roaming(void *priv, int allowed, const u8 *bssid) |
8621 | { | |
8622 | struct i802_bss *bss = priv; | |
8623 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8624 | struct nl_msg *msg; | |
8625 | struct nlattr *params; | |
8626 | ||
8627 | wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed); | |
8628 | ||
8629 | if (!drv->roaming_vendor_cmd_avail) { | |
8630 | wpa_printf(MSG_DEBUG, | |
8631 | "nl80211: Ignore roaming policy change since driver does not provide command for setting it"); | |
8632 | return -1; | |
8633 | } | |
8634 | ||
8635 | msg = nlmsg_alloc(); | |
8636 | if (!msg) | |
8637 | return -ENOMEM; | |
8638 | ||
8639 | nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR); | |
8640 | ||
8641 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
8642 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA); | |
8643 | NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
8644 | QCA_NL80211_VENDOR_SUBCMD_ROAMING); | |
8645 | ||
8646 | params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
8647 | if (!params) | |
8648 | goto nla_put_failure; | |
8649 | NLA_PUT_U32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY, | |
8650 | allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS : | |
8651 | QCA_ROAMING_NOT_ALLOWED); | |
8652 | if (bssid) | |
8653 | NLA_PUT(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid); | |
8654 | nla_nest_end(msg, params); | |
8655 | ||
8656 | return send_and_recv_msgs(drv, msg, NULL, NULL); | |
8657 | ||
8658 | nla_put_failure: | |
8659 | nlmsg_free(msg); | |
8660 | return -1; | |
8661 | } | |
8662 | ||
8663 | ||
fee354c7 JM |
8664 | static int nl80211_set_mac_addr(void *priv, const u8 *addr) |
8665 | { | |
8666 | struct i802_bss *bss = priv; | |
8667 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8668 | int new_addr = addr != NULL; | |
8669 | ||
8670 | if (!addr) | |
8671 | addr = drv->perm_addr; | |
8672 | ||
8673 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0) | |
8674 | return -1; | |
8675 | ||
8676 | if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0) | |
8677 | { | |
8678 | wpa_printf(MSG_DEBUG, | |
8679 | "nl80211: failed to set_mac_addr for %s to " MACSTR, | |
8680 | bss->ifname, MAC2STR(addr)); | |
8681 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, | |
8682 | 1) < 0) { | |
8683 | wpa_printf(MSG_DEBUG, | |
8684 | "nl80211: Could not restore interface UP after failed set_mac_addr"); | |
8685 | } | |
8686 | return -1; | |
8687 | } | |
8688 | ||
8689 | wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR, | |
8690 | bss->ifname, MAC2STR(addr)); | |
8691 | drv->addr_changed = new_addr; | |
8692 | os_memcpy(bss->addr, addr, ETH_ALEN); | |
8693 | ||
8694 | if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0) | |
8695 | { | |
8696 | wpa_printf(MSG_DEBUG, | |
8697 | "nl80211: Could not restore interface UP after set_mac_addr"); | |
8698 | } | |
8699 | ||
8700 | return 0; | |
8701 | } | |
8702 | ||
8703 | ||
6c1664f6 BC |
8704 | #ifdef CONFIG_MESH |
8705 | ||
8706 | static int wpa_driver_nl80211_init_mesh(void *priv) | |
8707 | { | |
8708 | if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) { | |
8709 | wpa_printf(MSG_INFO, | |
8710 | "nl80211: Failed to set interface into mesh mode"); | |
8711 | return -1; | |
8712 | } | |
8713 | return 0; | |
8714 | } | |
8715 | ||
8716 | ||
8717 | static int | |
8718 | wpa_driver_nl80211_join_mesh(void *priv, | |
8719 | struct wpa_driver_mesh_join_params *params) | |
8720 | { | |
8721 | struct i802_bss *bss = priv; | |
8722 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8723 | struct nl_msg *msg; | |
8724 | struct nlattr *container; | |
8725 | int ret = 0; | |
8726 | ||
8727 | msg = nlmsg_alloc(); | |
8728 | if (!msg) | |
8729 | return -1; | |
8730 | ||
8731 | wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex); | |
8732 | nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_MESH); | |
8733 | ||
8734 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
6c1664f6 BC |
8735 | if (params->freq) { |
8736 | wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); | |
8737 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq); | |
8738 | } | |
8739 | ||
5cfb672d JM |
8740 | if (params->ht_mode) { |
8741 | unsigned int ht_value; | |
8742 | char *ht_mode = ""; | |
8743 | ||
8744 | switch (params->ht_mode) { | |
8745 | default: | |
8746 | case CHAN_NO_HT: | |
8747 | ht_value = NL80211_CHAN_NO_HT; | |
8748 | ht_mode = "NOHT"; | |
8749 | break; | |
8750 | case CHAN_HT20: | |
8751 | ht_value = NL80211_CHAN_HT20; | |
8752 | ht_mode = "HT20"; | |
8753 | break; | |
8754 | case CHAN_HT40PLUS: | |
8755 | ht_value = NL80211_CHAN_HT40PLUS; | |
8756 | ht_mode = "HT40+"; | |
8757 | break; | |
8758 | case CHAN_HT40MINUS: | |
8759 | ht_value = NL80211_CHAN_HT40MINUS; | |
8760 | ht_mode = "HT40-"; | |
8761 | break; | |
8762 | } | |
8763 | wpa_printf(MSG_DEBUG, " * ht_mode=%s", ht_mode); | |
8764 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ht_value); | |
8765 | } | |
8766 | ||
6c1664f6 BC |
8767 | if (params->basic_rates) { |
8768 | u8 rates[NL80211_MAX_SUPP_RATES]; | |
8769 | u8 rates_len = 0; | |
8770 | int i; | |
8771 | ||
8772 | for (i = 0; i < NL80211_MAX_SUPP_RATES; i++) { | |
8773 | if (params->basic_rates[i] < 0) | |
8774 | break; | |
8775 | rates[rates_len++] = params->basic_rates[i] / 5; | |
8776 | } | |
8777 | ||
8778 | NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates); | |
8779 | } | |
8780 | ||
8781 | if (params->meshid) { | |
8782 | wpa_hexdump_ascii(MSG_DEBUG, " * SSID", | |
8783 | params->meshid, params->meshid_len); | |
8784 | NLA_PUT(msg, NL80211_ATTR_MESH_ID, params->meshid_len, | |
8785 | params->meshid); | |
8786 | } | |
8787 | ||
8788 | wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags); | |
8789 | ||
8790 | container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP); | |
8791 | if (!container) | |
8792 | goto nla_put_failure; | |
8793 | ||
8794 | if (params->ies) { | |
8795 | wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len); | |
8796 | NLA_PUT(msg, NL80211_MESH_SETUP_IE, params->ie_len, | |
8797 | params->ies); | |
8798 | } | |
8799 | /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */ | |
8800 | if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) { | |
8801 | NLA_PUT_U8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1); | |
8802 | NLA_PUT_FLAG(msg, NL80211_MESH_SETUP_USERSPACE_AUTH); | |
8803 | } | |
8804 | if (params->flags & WPA_DRIVER_MESH_FLAG_AMPE) | |
8805 | NLA_PUT_FLAG(msg, NL80211_MESH_SETUP_USERSPACE_AMPE); | |
8806 | if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) | |
8807 | NLA_PUT_FLAG(msg, NL80211_MESH_SETUP_USERSPACE_MPM); | |
8808 | nla_nest_end(msg, container); | |
8809 | ||
8810 | container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); | |
8811 | if (!container) | |
8812 | goto nla_put_failure; | |
8813 | ||
8814 | if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS)) | |
8815 | NLA_PUT_U32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0); | |
8816 | nla_nest_end(msg, container); | |
8817 | ||
8818 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8819 | msg = NULL; | |
8820 | if (ret) { | |
8821 | wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)", | |
8822 | ret, strerror(-ret)); | |
8823 | goto nla_put_failure; | |
8824 | } | |
8825 | ret = 0; | |
8826 | bss->freq = params->freq; | |
8827 | wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully"); | |
8828 | ||
8829 | ||
8830 | nla_put_failure: | |
8831 | nlmsg_free(msg); | |
8832 | return ret; | |
8833 | } | |
8834 | ||
8835 | ||
8836 | static int wpa_driver_nl80211_leave_mesh(void *priv) | |
8837 | { | |
8838 | struct i802_bss *bss = priv; | |
8839 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8840 | struct nl_msg *msg; | |
8841 | int ret = 0; | |
8842 | ||
8843 | msg = nlmsg_alloc(); | |
8844 | if (!msg) | |
8845 | return -1; | |
8846 | ||
8847 | wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex); | |
8848 | nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_MESH); | |
8849 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); | |
8850 | ||
8851 | ret = send_and_recv_msgs(drv, msg, NULL, NULL); | |
8852 | msg = NULL; | |
8853 | if (ret) { | |
8854 | wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)", | |
8855 | ret, strerror(-ret)); | |
8856 | goto nla_put_failure; | |
8857 | } | |
8858 | ret = 0; | |
8859 | wpa_printf(MSG_DEBUG, "nl80211: mesh leave request send successfully"); | |
8860 | ||
8861 | nla_put_failure: | |
8862 | nlmsg_free(msg); | |
8863 | return ret; | |
8864 | } | |
8865 | ||
8866 | #endif /* CONFIG_MESH */ | |
8867 | ||
8868 | ||
71103bed KP |
8869 | static int wpa_driver_br_add_ip_neigh(void *priv, be32 ipaddr, |
8870 | int prefixlen, const u8 *addr) | |
8871 | { | |
8872 | #ifdef CONFIG_LIBNL3_ROUTE | |
8873 | struct i802_bss *bss = priv; | |
8874 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8875 | struct rtnl_neigh *rn; | |
8876 | struct nl_addr *nl_ipaddr = NULL; | |
8877 | struct nl_addr *nl_lladdr = NULL; | |
8878 | int res; | |
8879 | ||
8880 | if (ipaddr == 0 || prefixlen == 0 || !addr) | |
8881 | return -EINVAL; | |
8882 | ||
8883 | if (bss->br_ifindex == 0) { | |
8884 | wpa_printf(MSG_DEBUG, | |
8885 | "nl80211: bridge must be set before adding an ip neigh to it"); | |
8886 | return -1; | |
8887 | } | |
8888 | ||
8889 | if (!drv->rtnl_sk) { | |
8890 | wpa_printf(MSG_DEBUG, | |
8891 | "nl80211: nl_sock for NETLINK_ROUTE is not initialized"); | |
8892 | return -1; | |
8893 | } | |
8894 | ||
8895 | rn = rtnl_neigh_alloc(); | |
8896 | if (rn == NULL) | |
8897 | return -ENOMEM; | |
8898 | ||
8899 | /* set the destination ip address for neigh */ | |
8900 | nl_ipaddr = nl_addr_build(AF_INET, &ipaddr, sizeof(ipaddr)); | |
8901 | if (nl_ipaddr == NULL) { | |
8902 | wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed"); | |
8903 | res = -ENOMEM; | |
8904 | goto errout; | |
8905 | } | |
8906 | nl_addr_set_prefixlen(nl_ipaddr, prefixlen); | |
8907 | res = rtnl_neigh_set_dst(rn, nl_ipaddr); | |
8908 | if (res) { | |
8909 | wpa_printf(MSG_DEBUG, | |
8910 | "nl80211: neigh set destination addr failed"); | |
8911 | goto errout; | |
8912 | } | |
8913 | ||
8914 | /* set the corresponding lladdr for neigh */ | |
8915 | nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN); | |
8916 | if (nl_lladdr == NULL) { | |
8917 | wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed"); | |
8918 | res = -ENOMEM; | |
8919 | goto errout; | |
8920 | } | |
8921 | rtnl_neigh_set_lladdr(rn, nl_lladdr); | |
8922 | ||
8923 | rtnl_neigh_set_ifindex(rn, bss->br_ifindex); | |
8924 | rtnl_neigh_set_state(rn, NUD_PERMANENT); | |
8925 | ||
8926 | res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE); | |
8927 | if (res) { | |
8928 | wpa_printf(MSG_DEBUG, | |
8929 | "nl80211: Adding bridge ip neigh failed: %s", | |
8930 | strerror(errno)); | |
8931 | } | |
8932 | errout: | |
8933 | if (nl_lladdr) | |
8934 | nl_addr_put(nl_lladdr); | |
8935 | if (nl_ipaddr) | |
8936 | nl_addr_put(nl_ipaddr); | |
8937 | if (rn) | |
8938 | rtnl_neigh_put(rn); | |
8939 | return res; | |
8940 | #else /* CONFIG_LIBNL3_ROUTE */ | |
8941 | return -1; | |
8942 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
8943 | } | |
8944 | ||
8945 | ||
8946 | static int wpa_driver_br_delete_ip_neigh(void *priv, be32 ipaddr) | |
8947 | { | |
8948 | #ifdef CONFIG_LIBNL3_ROUTE | |
8949 | struct i802_bss *bss = priv; | |
8950 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
8951 | struct rtnl_neigh *rn; | |
8952 | struct nl_addr *nl_ipaddr; | |
8953 | int res; | |
8954 | ||
8955 | if (ipaddr == 0) | |
8956 | return -EINVAL; | |
8957 | ||
8958 | if (bss->br_ifindex == 0) { | |
8959 | wpa_printf(MSG_DEBUG, | |
8960 | "nl80211: bridge must be set to delete an ip neigh"); | |
8961 | return -1; | |
8962 | } | |
8963 | ||
8964 | if (!drv->rtnl_sk) { | |
8965 | wpa_printf(MSG_DEBUG, | |
8966 | "nl80211: nl_sock for NETLINK_ROUTE is not initialized"); | |
8967 | return -1; | |
8968 | } | |
8969 | ||
8970 | rn = rtnl_neigh_alloc(); | |
8971 | if (rn == NULL) | |
8972 | return -ENOMEM; | |
8973 | ||
8974 | /* set the destination ip address for neigh */ | |
8975 | nl_ipaddr = nl_addr_build(AF_INET, &ipaddr, sizeof(ipaddr)); | |
8976 | if (nl_ipaddr == NULL) { | |
8977 | wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed"); | |
8978 | res = -ENOMEM; | |
8979 | goto errout; | |
8980 | } | |
8981 | res = rtnl_neigh_set_dst(rn, nl_ipaddr); | |
8982 | if (res) { | |
8983 | wpa_printf(MSG_DEBUG, | |
8984 | "nl80211: neigh set destination addr failed"); | |
8985 | goto errout; | |
8986 | } | |
8987 | ||
8988 | rtnl_neigh_set_ifindex(rn, bss->br_ifindex); | |
8989 | ||
8990 | res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0); | |
8991 | if (res) { | |
8992 | wpa_printf(MSG_DEBUG, | |
8993 | "nl80211: Deleting bridge ip neigh failed: %s", | |
8994 | strerror(errno)); | |
8995 | } | |
8996 | errout: | |
8997 | if (nl_ipaddr) | |
8998 | nl_addr_put(nl_ipaddr); | |
8999 | if (rn) | |
9000 | rtnl_neigh_put(rn); | |
9001 | return res; | |
9002 | #else /* CONFIG_LIBNL3_ROUTE */ | |
9003 | return -1; | |
9004 | #endif /* CONFIG_LIBNL3_ROUTE */ | |
9005 | } | |
9006 | ||
9007 | ||
73d2294f KP |
9008 | static int linux_write_system_file(const char *path, unsigned int val) |
9009 | { | |
9010 | char buf[50]; | |
9011 | int fd, len; | |
9012 | ||
9013 | len = os_snprintf(buf, sizeof(buf), "%u\n", val); | |
9014 | if (len < 0) | |
9015 | return -1; | |
9016 | ||
9017 | fd = open(path, O_WRONLY); | |
9018 | if (fd < 0) | |
9019 | return -1; | |
9020 | ||
9021 | if (write(fd, buf, len) < 0) { | |
9022 | wpa_printf(MSG_DEBUG, | |
9023 | "nl80211: Failed to write Linux system file: %s with the value of %d", | |
9024 | path, val); | |
9025 | close(fd); | |
9026 | return -1; | |
9027 | } | |
9028 | close(fd); | |
9029 | ||
9030 | return 0; | |
9031 | } | |
9032 | ||
9033 | ||
9034 | static const char * drv_br_port_attr_str(enum drv_br_port_attr attr) | |
9035 | { | |
9036 | switch (attr) { | |
9037 | case DRV_BR_PORT_ATTR_PROXYARP: | |
9038 | return "proxyarp"; | |
9039 | case DRV_BR_PORT_ATTR_HAIRPIN_MODE: | |
9040 | return "hairpin_mode"; | |
9041 | } | |
9042 | ||
9043 | return NULL; | |
9044 | } | |
9045 | ||
9046 | ||
9047 | static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr, | |
9048 | unsigned int val) | |
9049 | { | |
9050 | struct i802_bss *bss = priv; | |
9051 | char path[128]; | |
9052 | const char *attr_txt; | |
9053 | ||
9054 | attr_txt = drv_br_port_attr_str(attr); | |
9055 | if (attr_txt == NULL) | |
9056 | return -EINVAL; | |
9057 | ||
9058 | os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s", | |
9059 | bss->ifname, attr_txt); | |
9060 | ||
9061 | if (linux_write_system_file(path, val)) | |
9062 | return -1; | |
9063 | ||
9064 | return 0; | |
9065 | } | |
9066 | ||
9067 | ||
7565752d KP |
9068 | static const char * drv_br_net_param_str(enum drv_br_net_param param) |
9069 | { | |
9070 | switch (param) { | |
9071 | case DRV_BR_NET_PARAM_GARP_ACCEPT: | |
9072 | return "arp_accept"; | |
9073 | } | |
9074 | ||
9075 | return NULL; | |
9076 | } | |
9077 | ||
9078 | ||
9079 | static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param, | |
9080 | unsigned int val) | |
9081 | { | |
9082 | struct i802_bss *bss = priv; | |
9083 | char path[128]; | |
9084 | const char *param_txt; | |
9085 | int ip_version = 4; | |
9086 | ||
9087 | param_txt = drv_br_net_param_str(param); | |
9088 | if (param_txt == NULL) | |
9089 | return -EINVAL; | |
9090 | ||
9091 | switch (param) { | |
9092 | case DRV_BR_NET_PARAM_GARP_ACCEPT: | |
9093 | ip_version = 4; | |
9094 | break; | |
9095 | default: | |
9096 | return -EINVAL; | |
9097 | } | |
9098 | ||
9099 | os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s", | |
9100 | ip_version, bss->brname, param_txt); | |
9101 | ||
9102 | if (linux_write_system_file(path, val)) | |
9103 | return -1; | |
9104 | ||
9105 | return 0; | |
9106 | } | |
9107 | ||
9108 | ||
3f5285e8 JM |
9109 | const struct wpa_driver_ops wpa_driver_nl80211_ops = { |
9110 | .name = "nl80211", | |
9111 | .desc = "Linux nl80211/cfg80211", | |
9112 | .get_bssid = wpa_driver_nl80211_get_bssid, | |
9113 | .get_ssid = wpa_driver_nl80211_get_ssid, | |
9ebce9c5 JM |
9114 | .set_key = driver_nl80211_set_key, |
9115 | .scan2 = driver_nl80211_scan2, | |
d21c63b9 LC |
9116 | .sched_scan = wpa_driver_nl80211_sched_scan, |
9117 | .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan, | |
3f5285e8 | 9118 | .get_scan_results2 = wpa_driver_nl80211_get_scan_results, |
9ebce9c5 JM |
9119 | .deauthenticate = driver_nl80211_deauthenticate, |
9120 | .authenticate = driver_nl80211_authenticate, | |
3f5285e8 | 9121 | .associate = wpa_driver_nl80211_associate, |
f2ed8023 JM |
9122 | .global_init = nl80211_global_init, |
9123 | .global_deinit = nl80211_global_deinit, | |
9124 | .init2 = wpa_driver_nl80211_init, | |
9ebce9c5 | 9125 | .deinit = driver_nl80211_deinit, |
3f5285e8 JM |
9126 | .get_capa = wpa_driver_nl80211_get_capa, |
9127 | .set_operstate = wpa_driver_nl80211_set_operstate, | |
01652550 | 9128 | .set_supp_port = wpa_driver_nl80211_set_supp_port, |
6d158490 | 9129 | .set_country = wpa_driver_nl80211_set_country, |
f0793bf1 | 9130 | .get_country = wpa_driver_nl80211_get_country, |
19c3b566 | 9131 | .set_ap = wpa_driver_nl80211_set_ap, |
3c4ca363 | 9132 | .set_acl = wpa_driver_nl80211_set_acl, |
22a7c9d7 | 9133 | .if_add = wpa_driver_nl80211_if_add, |
9ebce9c5 JM |
9134 | .if_remove = driver_nl80211_if_remove, |
9135 | .send_mlme = driver_nl80211_send_mlme, | |
0fafeb54 | 9136 | .get_hw_feature_data = nl80211_get_hw_feature_data, |
0f4e8b4f | 9137 | .sta_add = wpa_driver_nl80211_sta_add, |
9ebce9c5 | 9138 | .sta_remove = driver_nl80211_sta_remove, |
db149ac9 | 9139 | .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol, |
a8d6ffa4 | 9140 | .sta_set_flags = wpa_driver_nl80211_sta_set_flags, |
c5121837 | 9141 | .hapd_init = i802_init, |
c5121837 | 9142 | .hapd_deinit = i802_deinit, |
f7b3920c | 9143 | .set_wds_sta = i802_set_wds_sta, |
c5121837 JM |
9144 | .get_seqnum = i802_get_seqnum, |
9145 | .flush = i802_flush, | |
c5121837 JM |
9146 | .get_inact_sec = i802_get_inact_sec, |
9147 | .sta_clear_stats = i802_sta_clear_stats, | |
c5121837 JM |
9148 | .set_rts = i802_set_rts, |
9149 | .set_frag = i802_set_frag, | |
c5121837 | 9150 | .set_tx_queue_params = i802_set_tx_queue_params, |
9ebce9c5 | 9151 | .set_sta_vlan = driver_nl80211_set_sta_vlan, |
ee7ab173 JB |
9152 | .sta_deauth = i802_sta_deauth, |
9153 | .sta_disassoc = i802_sta_disassoc, | |
9ebce9c5 | 9154 | .read_sta_data = driver_nl80211_read_sta_data, |
e3802622 | 9155 | .set_freq = i802_set_freq, |
9ebce9c5 | 9156 | .send_action = driver_nl80211_send_action, |
5dfca53f | 9157 | .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait, |
55777702 JM |
9158 | .remain_on_channel = wpa_driver_nl80211_remain_on_channel, |
9159 | .cancel_remain_on_channel = | |
9160 | wpa_driver_nl80211_cancel_remain_on_channel, | |
9ebce9c5 | 9161 | .probe_req_report = driver_nl80211_probe_req_report, |
af473088 | 9162 | .deinit_ap = wpa_driver_nl80211_deinit_ap, |
3c29244e | 9163 | .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli, |
207ef3fb | 9164 | .resume = wpa_driver_nl80211_resume, |
7b90c16a | 9165 | .send_ft_action = nl80211_send_ft_action, |
b625473c | 9166 | .signal_monitor = nl80211_signal_monitor, |
1c5c7273 | 9167 | .signal_poll = nl80211_signal_poll, |
b91ab76e | 9168 | .send_frame = nl80211_send_frame, |
57ebba59 | 9169 | .shared_freq = wpa_driver_nl80211_shared_freq, |
c55f774d | 9170 | .set_param = nl80211_set_param, |
6859f1cb | 9171 | .get_radio_name = nl80211_get_radio_name, |
a6efc65d JM |
9172 | .add_pmkid = nl80211_add_pmkid, |
9173 | .remove_pmkid = nl80211_remove_pmkid, | |
9174 | .flush_pmkid = nl80211_flush_pmkid, | |
b14a210c | 9175 | .set_rekey_info = nl80211_set_rekey_info, |
bcf24348 | 9176 | .poll_client = nl80211_poll_client, |
29f338af | 9177 | .set_p2p_powersave = nl80211_set_p2p_powersave, |
f90e9c1c | 9178 | .start_dfs_cac = nl80211_start_radar_detection, |
695c7038 | 9179 | .stop_ap = wpa_driver_nl80211_stop_ap, |
03ea1786 AN |
9180 | #ifdef CONFIG_TDLS |
9181 | .send_tdls_mgmt = nl80211_send_tdls_mgmt, | |
9182 | .tdls_oper = nl80211_tdls_oper, | |
9183 | #endif /* CONFIG_TDLS */ | |
6a1ce395 | 9184 | .update_ft_ies = wpa_driver_nl80211_update_ft_ies, |
597b94f5 | 9185 | .get_mac_addr = wpa_driver_nl80211_get_macaddr, |
0185007c | 9186 | .get_survey = wpa_driver_nl80211_get_survey, |
a771c07d | 9187 | .status = wpa_driver_nl80211_status, |
1c4ffa87 | 9188 | .switch_channel = nl80211_switch_channel, |
0de38036 JM |
9189 | #ifdef ANDROID_P2P |
9190 | .set_noa = wpa_driver_set_p2p_noa, | |
9191 | .get_noa = wpa_driver_get_p2p_noa, | |
9192 | .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie, | |
9193 | #endif /* ANDROID_P2P */ | |
5e2c3490 JM |
9194 | #ifdef ANDROID |
9195 | .driver_cmd = wpa_driver_nl80211_driver_cmd, | |
9196 | #endif /* ANDROID */ | |
adef8948 | 9197 | .vendor_cmd = nl80211_vendor_cmd, |
049105b4 | 9198 | .set_qos_map = nl80211_set_qos_map, |
e4fa8b12 | 9199 | .set_wowlan = nl80211_set_wowlan, |
0800f9ee | 9200 | .roaming = nl80211_roaming, |
fee354c7 | 9201 | .set_mac_addr = nl80211_set_mac_addr, |
6c1664f6 BC |
9202 | #ifdef CONFIG_MESH |
9203 | .init_mesh = wpa_driver_nl80211_init_mesh, | |
9204 | .join_mesh = wpa_driver_nl80211_join_mesh, | |
9205 | .leave_mesh = wpa_driver_nl80211_leave_mesh, | |
9206 | #endif /* CONFIG_MESH */ | |
71103bed KP |
9207 | .br_add_ip_neigh = wpa_driver_br_add_ip_neigh, |
9208 | .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh, | |
73d2294f | 9209 | .br_port_set_attr = wpa_driver_br_port_set_attr, |
7565752d | 9210 | .br_set_net_param = wpa_driver_br_set_net_param, |
3f5285e8 | 9211 | }; |