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[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
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3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
3d9975d5 3 * Copyright (c) 2002-2012, 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"
14#include <sys/ioctl.h>
6859f1cb
BG		 15#include <sys/types.h>
16#include <sys/stat.h>
17#include <fcntl.h>
37b7d082 18#include <net/if.h>
3f5285e8
JM		 19#include <netlink/genl/genl.h>
20#include <netlink/genl/family.h>
21#include <netlink/genl/ctrl.h>
8602b0f2 22#include <linux/rtnetlink.h>
1b648c7e
JM		 23#include <netpacket/packet.h>
24#include <linux/filter.h>
32ab4855 25#include <linux/errqueue.h>
7e45830a 26#include "nl80211_copy.h"
625f587b 27
3f5285e8 28#include "common.h"
1b648c7e 29#include "eloop.h"
f2ed8023 30#include "utils/list.h"
1b648c7e 31#include "common/ieee802_11_defs.h"
9b90955e 32#include "common/ieee802_11_common.h"
f10bfc9a 33#include "l2_packet/l2_packet.h"
e2d02c29 34#include "netlink.h"
34f2f814 35#include "linux_ioctl.h"
e2d02c29
JM		 36#include "radiotap.h"
37#include "radiotap_iter.h"
8401a6b0 38#include "rfkill.h"
1b648c7e 39#include "driver.h"
0915d02c 40
32ab4855
JB		 41#ifndef SO_WIFI_STATUS
42# if defined(__sparc__)
43# define SO_WIFI_STATUS 0x0025
44# elif defined(__parisc__)
45# define SO_WIFI_STATUS 0x4022
46# else
47# define SO_WIFI_STATUS 41
48# endif
49
50# define SCM_WIFI_STATUS SO_WIFI_STATUS
51#endif
52
53#ifndef SO_EE_ORIGIN_TXSTATUS
54#define SO_EE_ORIGIN_TXSTATUS 4
55#endif
56
57#ifndef PACKET_TX_TIMESTAMP
58#define PACKET_TX_TIMESTAMP 16
59#endif
60
216eede8
DS		 61#ifdef ANDROID
62#include "android_drv.h"
63#endif /* ANDROID */
c5121837
JM		 64#ifdef CONFIG_LIBNL20
65/* libnl 2.0 compatibility code */
2e8eac2d 66#define nl_handle nl_sock
a65a9aed
JB		 67#define nl80211_handle_alloc nl_socket_alloc_cb
68#define nl80211_handle_destroy nl_socket_free
69#else
70/*
71 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
72 * but when you free a socket again it will mess up its bitmap and
73 * and use the wrong number the next time it needs a socket ID.
74 * Therefore, we wrap the handle alloc/destroy and add our own pid
75 * accounting.
76 */
77static uint32_t port_bitmap[32] = { 0 };
78
79static struct nl_handle *nl80211_handle_alloc(void *cb)
80{
81 struct nl_handle *handle;
82 uint32_t pid = getpid() & 0x3FFFFF;
83 int i;
84
85 handle = nl_handle_alloc_cb(cb);
86
87 for (i = 0; i < 1024; i++) {
88 if (port_bitmap[i / 32] & (1 << (i % 32)))
89 continue;
90 port_bitmap[i / 32] |= 1 << (i % 32);
91 pid += i << 22;
92 break;
93 }
94
95 nl_socket_set_local_port(handle, pid);
96
97 return handle;
98}
99
100static void nl80211_handle_destroy(struct nl_handle *handle)
101{
102 uint32_t port = nl_socket_get_local_port(handle);
103
104 port >>= 22;
105 port_bitmap[port / 32] &= ~(1 << (port % 32));
106
107 nl_handle_destroy(handle);
108}
c5121837
JM		 109#endif /* CONFIG_LIBNL20 */
110
c5121837 111
1c6edec6
JM		 112#ifdef ANDROID
113/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
114static int android_nl_socket_set_nonblocking(struct nl_handle *handle)
115{
116 return fcntl(nl_socket_get_fd(handle), F_SETFL, O_NONBLOCK);
117}
118#undef nl_socket_set_nonblocking
119#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
120#endif /* ANDROID */
121
122
481234cf 123static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 124{
481234cf 125 struct nl_handle *handle;
a92dfde8 126
481234cf
JM		 127 handle = nl80211_handle_alloc(cb);
128 if (handle == NULL) {
a92dfde8
JB		 129 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
130 "callbacks (%s)", dbg);
481234cf 131 return NULL;
a92dfde8
JB		 132 }
133
481234cf 134 if (genl_connect(handle)) {
a92dfde8
JB		 135 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
136 "netlink (%s)", dbg);
481234cf
JM		 137 nl80211_handle_destroy(handle);
138 return NULL;
a92dfde8
JB		 139 }
140
481234cf 141 return handle;
a92dfde8
JB		 142}
143
144
481234cf 145static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 146{
481234cf 147 if (*handle == NULL)
a92dfde8 148 return;
481234cf
JM		 149 nl80211_handle_destroy(*handle);
150 *handle = NULL;
a92dfde8
JB		 151}
152
153
10b85921
JB		 154#if __WORDSIZE == 64
155#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
156#else
157#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
158#endif
159
5f65e9f7
JB		 160static void nl80211_register_eloop_read(struct nl_handle **handle,
161 eloop_sock_handler handler,
162 void *eloop_data)
163{
10b85921 164 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 165 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
166 eloop_data, *handle);
10b85921 167 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 168}
169
170
171static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
172{
10b85921 173 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 174 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
175 nl_destroy_handles(handle);
176}
177
178
3f5285e8
JM		 179#ifndef IFF_LOWER_UP
180#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
181#endif
182#ifndef IFF_DORMANT
183#define IFF_DORMANT 0x20000 /* driver signals dormant */
184#endif
185
186#ifndef IF_OPER_DORMANT
187#define IF_OPER_DORMANT 5
188#endif
189#ifndef IF_OPER_UP
190#define IF_OPER_UP 6
191#endif
192
f2ed8023
JM		 193struct nl80211_global {
194 struct dl_list interfaces;
ff6a158b 195 int if_add_ifindex;
f632e483
AS		 196 u64 if_add_wdevid;
197 int if_add_wdevid_set;
36d84860 198 struct netlink_data *netlink;
2a7b66f5 199 struct nl_cb *nl_cb;
481234cf 200 struct nl_handle *nl;
335d42b1 201 int nl80211_id;
c81eff1a 202 int ioctl_sock; /* socket for ioctl() use */
d6c9aab8 203
481234cf 204 struct nl_handle *nl_event;
f2ed8023
JM		 205};
206
e32ad281
JB		 207struct nl80211_wiphy_data {
208 struct dl_list list;
209 struct dl_list bsss;
210 struct dl_list drvs;
211
481234cf 212 struct nl_handle *nl_beacons;
e32ad281
JB		 213 struct nl_cb *nl_cb;
214
215 int wiphy_idx;
216};
217
36d84860
BG		 218static void nl80211_global_deinit(void *priv);
219
c5121837 220struct i802_bss {
a2e40bb6 221 struct wpa_driver_nl80211_data *drv;
c5121837 222 struct i802_bss *next;
b4fd6fab 223 int ifindex;
d3aaef80 224 u64 wdev_id;
a2e40bb6 225 char ifname[IFNAMSIZ + 1];
e17a2477 226 char brname[IFNAMSIZ];
c5121837 227 unsigned int beacon_set:1;
e17a2477
JM		 228 unsigned int added_if_into_bridge:1;
229 unsigned int added_bridge:1;
873d0fcf 230 unsigned int in_deinit:1;
d3aaef80 231 unsigned int wdev_id_set:1;
390e489c 232 unsigned int added_if:1;
221a59c9 233
341eebee
JB		 234 u8 addr[ETH_ALEN];
235
e4fb2167 236 int freq;
60b13c20 237 int if_dynamic;
e4fb2167 238
a5e1eb20 239 void *ctx;
481234cf 240 struct nl_handle *nl_preq, *nl_mgmt;
cc7a48d1 241 struct nl_cb *nl_cb;
e32ad281
JB		 242
243 struct nl80211_wiphy_data *wiphy_data;
244 struct dl_list wiphy_list;
c5121837 245};
3f5285e8
JM		 246
247struct wpa_driver_nl80211_data {
f2ed8023
JM		 248 struct nl80211_global *global;
249 struct dl_list list;
e32ad281 250 struct dl_list wiphy_list;
6859f1cb 251 char phyname[32];
3f5285e8 252 void *ctx;
3f5285e8 253 int ifindex;
7524cfb1 254 int if_removed;
a63063b4 255 int if_disabled;
7d9c3698 256 int ignore_if_down_event;
8401a6b0 257 struct rfkill_data *rfkill;
c2a04078 258 struct wpa_driver_capa capa;
8cd6b7bc
JB		 259 u8 *extended_capa, *extended_capa_mask;
260 unsigned int extended_capa_len;
c2a04078 261 int has_capability;
c2a04078 262
3f5285e8
JM		 263 int operstate;
264
3f5285e8 265 int scan_complete_events;
a771c07d
JM		 266 enum scan_states {
267 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED,
268 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED,
269 SCHED_SCAN_RESULTS
270 } scan_state;
3f5285e8 271
1afc986d 272 struct nl_cb *nl_cb;
1c873584 273
e6b8efeb 274 u8 auth_bssid[ETH_ALEN];
add9b7a4 275 u8 auth_attempt_bssid[ETH_ALEN];
c2a04078 276 u8 bssid[ETH_ALEN];
add9b7a4 277 u8 prev_bssid[ETH_ALEN];
c2a04078 278 int associated;
fd05d64e
JM		 279 u8 ssid[32];
280 size_t ssid_len;
b1f625e0
EP		 281 enum nl80211_iftype nlmode;
282 enum nl80211_iftype ap_scan_as_station;
4832ecd7 283 unsigned int assoc_freq;
d2440ba0 284
0915d02c
JM		 285 int monitor_sock;
286 int monitor_ifidx;
3fd1cefb 287 int monitor_refcount;
7da3abe7 288
b3af99d2 289 unsigned int disabled_11b_rates:1;
55777702 290 unsigned int pending_remain_on_chan:1;
dac12351 291 unsigned int in_interface_list:1;
61cbe2ff 292 unsigned int device_ap_sme:1;
39718852 293 unsigned int poll_command_supported:1;
32ab4855 294 unsigned int data_tx_status:1;
536fd62d
JM		 295 unsigned int scan_for_auth:1;
296 unsigned int retry_auth:1;
a11241fa 297 unsigned int use_monitor:1;
a8c5b43a 298 unsigned int ignore_next_local_disconnect:1;
851b0c55 299 unsigned int allow_p2p_device:1;
0d547d5f 300 unsigned int hostapd:1;
49b4b205 301 unsigned int start_mode_ap:1;
146fa9b3 302 unsigned int start_iface_up:1;
1c4ffa87 303 unsigned int channel_switch_supported:1;
55777702
JM		 304
305 u64 remain_on_chan_cookie;
58f6fbe0 306 u64 send_action_cookie;
c5121837 307
5582a5d1
JB		 308 unsigned int last_mgmt_freq;
309
3812464c
JM		 310 struct wpa_driver_scan_filter *filter_ssids;
311 size_t num_filter_ssids;
312
834ee56f 313 struct i802_bss *first_bss;
a2e40bb6 314
d12dab4c 315 int eapol_tx_sock;
f10bfc9a 316
c5121837 317 int eapol_sock; /* socket for EAPOL frames */
c5121837
JM		 318
319 int default_if_indices[16];
320 int *if_indices;
321 int num_if_indices;
536fd62d
JM		 322
323 /* From failed authentication command */
324 int auth_freq;
325 u8 auth_bssid_[ETH_ALEN];
326 u8 auth_ssid[32];
327 size_t auth_ssid_len;
328 int auth_alg;
329 u8 *auth_ie;
330 size_t auth_ie_len;
331 u8 auth_wep_key[4][16];
332 size_t auth_wep_key_len[4];
333 int auth_wep_tx_keyidx;
334 int auth_local_state_change;
335 int auth_p2p;
3f5285e8
JM		 336};
337
338
9ebce9c5 339static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
3f5285e8
JM		 340static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx,
341 void *timeout_ctx);
b1f625e0
EP		 342static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
343 enum nl80211_iftype nlmode);
362f781e 344static int
0d547d5f 345wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
49b4b205 346 const u8 *set_addr, int first);
d72aad94 347static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 348 const u8 *addr, int cmd, u16 reason_code,
349 int local_state_change);
460456f8
JM		 350static void nl80211_remove_monitor_interface(
351 struct wpa_driver_nl80211_data *drv);
88df0ef7 352static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 353 unsigned int freq, unsigned int wait,
b106173a 354 const u8 *buf, size_t buf_len, u64 *cookie,
88df0ef7 355 int no_cck, int no_ack, int offchanok);
b21990b4
AQ		 356static int nl80211_register_frame(struct i802_bss *bss,
357 struct nl_handle *hl_handle,
358 u16 type, const u8 *match, size_t match_len);
9ebce9c5
JM		 359static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
360 int report);
216eede8
DS		 361#ifdef ANDROID
362static int android_pno_start(struct i802_bss *bss,
363 struct wpa_driver_scan_params *params);
364static int android_pno_stop(struct i802_bss *bss);
365#endif /* ANDROID */
0915d02c 366
2135f224
JM		 367static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
368static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
97cfcf64 369static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
9ebce9c5 370static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
fbbfcbac
FF		 371 enum wpa_driver_if_type type,
372 const char *ifname);
072ad14c 373
9ebce9c5
JM		 374static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
375 struct hostapd_freq_params *freq);
4e5cb1a3
JM		 376static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
377 int ifindex, int disabled);
504e905c 378
21bdbe38 379static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv);
536fd62d
JM		 380static int wpa_driver_nl80211_authenticate_retry(
381 struct wpa_driver_nl80211_data *drv);
21bdbe38 382
bf83eab5
IP		 383static int i802_set_iface_flags(struct i802_bss *bss, int up);
384
3f5285e8 385
2090a0b4
DS		 386static const char * nl80211_command_to_string(enum nl80211_commands cmd)
387{
388#define C2S(x) case x: return #x;
389 switch (cmd) {
390 C2S(NL80211_CMD_UNSPEC)
391 C2S(NL80211_CMD_GET_WIPHY)
392 C2S(NL80211_CMD_SET_WIPHY)
393 C2S(NL80211_CMD_NEW_WIPHY)
394 C2S(NL80211_CMD_DEL_WIPHY)
395 C2S(NL80211_CMD_GET_INTERFACE)
396 C2S(NL80211_CMD_SET_INTERFACE)
397 C2S(NL80211_CMD_NEW_INTERFACE)
398 C2S(NL80211_CMD_DEL_INTERFACE)
399 C2S(NL80211_CMD_GET_KEY)
400 C2S(NL80211_CMD_SET_KEY)
401 C2S(NL80211_CMD_NEW_KEY)
402 C2S(NL80211_CMD_DEL_KEY)
403 C2S(NL80211_CMD_GET_BEACON)
404 C2S(NL80211_CMD_SET_BEACON)
405 C2S(NL80211_CMD_START_AP)
406 C2S(NL80211_CMD_STOP_AP)
407 C2S(NL80211_CMD_GET_STATION)
408 C2S(NL80211_CMD_SET_STATION)
409 C2S(NL80211_CMD_NEW_STATION)
410 C2S(NL80211_CMD_DEL_STATION)
411 C2S(NL80211_CMD_GET_MPATH)
412 C2S(NL80211_CMD_SET_MPATH)
413 C2S(NL80211_CMD_NEW_MPATH)
414 C2S(NL80211_CMD_DEL_MPATH)
415 C2S(NL80211_CMD_SET_BSS)
416 C2S(NL80211_CMD_SET_REG)
417 C2S(NL80211_CMD_REQ_SET_REG)
418 C2S(NL80211_CMD_GET_MESH_CONFIG)
419 C2S(NL80211_CMD_SET_MESH_CONFIG)
420 C2S(NL80211_CMD_SET_MGMT_EXTRA_IE)
421 C2S(NL80211_CMD_GET_REG)
422 C2S(NL80211_CMD_GET_SCAN)
423 C2S(NL80211_CMD_TRIGGER_SCAN)
424 C2S(NL80211_CMD_NEW_SCAN_RESULTS)
425 C2S(NL80211_CMD_SCAN_ABORTED)
426 C2S(NL80211_CMD_REG_CHANGE)
427 C2S(NL80211_CMD_AUTHENTICATE)
428 C2S(NL80211_CMD_ASSOCIATE)
429 C2S(NL80211_CMD_DEAUTHENTICATE)
430 C2S(NL80211_CMD_DISASSOCIATE)
431 C2S(NL80211_CMD_MICHAEL_MIC_FAILURE)
432 C2S(NL80211_CMD_REG_BEACON_HINT)
433 C2S(NL80211_CMD_JOIN_IBSS)
434 C2S(NL80211_CMD_LEAVE_IBSS)
435 C2S(NL80211_CMD_TESTMODE)
436 C2S(NL80211_CMD_CONNECT)
437 C2S(NL80211_CMD_ROAM)
438 C2S(NL80211_CMD_DISCONNECT)
439 C2S(NL80211_CMD_SET_WIPHY_NETNS)
440 C2S(NL80211_CMD_GET_SURVEY)
441 C2S(NL80211_CMD_NEW_SURVEY_RESULTS)
442 C2S(NL80211_CMD_SET_PMKSA)
443 C2S(NL80211_CMD_DEL_PMKSA)
444 C2S(NL80211_CMD_FLUSH_PMKSA)
445 C2S(NL80211_CMD_REMAIN_ON_CHANNEL)
446 C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL)
447 C2S(NL80211_CMD_SET_TX_BITRATE_MASK)
448 C2S(NL80211_CMD_REGISTER_FRAME)
449 C2S(NL80211_CMD_FRAME)
450 C2S(NL80211_CMD_FRAME_TX_STATUS)
451 C2S(NL80211_CMD_SET_POWER_SAVE)
452 C2S(NL80211_CMD_GET_POWER_SAVE)
453 C2S(NL80211_CMD_SET_CQM)
454 C2S(NL80211_CMD_NOTIFY_CQM)
455 C2S(NL80211_CMD_SET_CHANNEL)
456 C2S(NL80211_CMD_SET_WDS_PEER)
457 C2S(NL80211_CMD_FRAME_WAIT_CANCEL)
458 C2S(NL80211_CMD_JOIN_MESH)
459 C2S(NL80211_CMD_LEAVE_MESH)
460 C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE)
461 C2S(NL80211_CMD_UNPROT_DISASSOCIATE)
462 C2S(NL80211_CMD_NEW_PEER_CANDIDATE)
463 C2S(NL80211_CMD_GET_WOWLAN)
464 C2S(NL80211_CMD_SET_WOWLAN)
465 C2S(NL80211_CMD_START_SCHED_SCAN)
466 C2S(NL80211_CMD_STOP_SCHED_SCAN)
467 C2S(NL80211_CMD_SCHED_SCAN_RESULTS)
468 C2S(NL80211_CMD_SCHED_SCAN_STOPPED)
469 C2S(NL80211_CMD_SET_REKEY_OFFLOAD)
470 C2S(NL80211_CMD_PMKSA_CANDIDATE)
471 C2S(NL80211_CMD_TDLS_OPER)
472 C2S(NL80211_CMD_TDLS_MGMT)
473 C2S(NL80211_CMD_UNEXPECTED_FRAME)
474 C2S(NL80211_CMD_PROBE_CLIENT)
475 C2S(NL80211_CMD_REGISTER_BEACONS)
476 C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME)
477 C2S(NL80211_CMD_SET_NOACK_MAP)
478 C2S(NL80211_CMD_CH_SWITCH_NOTIFY)
479 C2S(NL80211_CMD_START_P2P_DEVICE)
480 C2S(NL80211_CMD_STOP_P2P_DEVICE)
481 C2S(NL80211_CMD_CONN_FAILED)
482 C2S(NL80211_CMD_SET_MCAST_RATE)
483 C2S(NL80211_CMD_SET_MAC_ACL)
484 C2S(NL80211_CMD_RADAR_DETECT)
485 C2S(NL80211_CMD_GET_PROTOCOL_FEATURES)
486 C2S(NL80211_CMD_UPDATE_FT_IES)
487 C2S(NL80211_CMD_FT_EVENT)
488 C2S(NL80211_CMD_CRIT_PROTOCOL_START)
489 C2S(NL80211_CMD_CRIT_PROTOCOL_STOP)
490 default:
491 return "NL80211_CMD_UNKNOWN";
492 }
493#undef C2S
494}
495
496
b1f625e0
EP		 497static int is_ap_interface(enum nl80211_iftype nlmode)
498{
499 return (nlmode == NL80211_IFTYPE_AP ||
500 nlmode == NL80211_IFTYPE_P2P_GO);
501}
502
503
504static int is_sta_interface(enum nl80211_iftype nlmode)
505{
506 return (nlmode == NL80211_IFTYPE_STATION ||
507 nlmode == NL80211_IFTYPE_P2P_CLIENT);
508}
509
510
6a71413e 511static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2
JM		 512{
513 return (nlmode == NL80211_IFTYPE_P2P_CLIENT ||
514 nlmode == NL80211_IFTYPE_P2P_GO);
515}
516
517
add9b7a4
JM		 518static void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
519{
520 if (drv->associated)
521 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
522 drv->associated = 0;
523 os_memset(drv->bssid, 0, ETH_ALEN);
524}
525
526
f5a8d422
JM		 527struct nl80211_bss_info_arg {
528 struct wpa_driver_nl80211_data *drv;
529 struct wpa_scan_results *res;
530 unsigned int assoc_freq;
20f5a4c2 531 u8 assoc_bssid[ETH_ALEN];
f5a8d422
JM		 532};
533
534static int bss_info_handler(struct nl_msg *msg, void *arg);
535
536
6241fcb1
JM		 537/* nl80211 code */
538static int ack_handler(struct nl_msg *msg, void *arg)
539{
540 int *err = arg;
541 *err = 0;
542 return NL_STOP;
543}
544
545static int finish_handler(struct nl_msg *msg, void *arg)
546{
8e8df255
JM		 547 int *ret = arg;
548 *ret = 0;
6241fcb1
JM		 549 return NL_SKIP;
550}
551
552static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
553 void *arg)
554{
555 int *ret = arg;
556 *ret = err->error;
557 return NL_SKIP;
558}
559
5b7b85f6
JM		 560
561static int no_seq_check(struct nl_msg *msg, void *arg)
562{
563 return NL_OK;
564}
565
566
d6c9aab8 567static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 568 struct nl_handle *nl_handle, struct nl_msg *msg,
569 int (*valid_handler)(struct nl_msg *, void *),
570 void *valid_data)
6241fcb1
JM		 571{
572 struct nl_cb *cb;
573 int err = -ENOMEM;
574
d6c9aab8 575 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 576 if (!cb)
577 goto out;
578
58f6fbe0 579 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 580 if (err < 0)
581 goto out;
582
583 err = 1;
584
585 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 586 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 587 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
588
589 if (valid_handler)
590 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
591 valid_handler, valid_data);
592
34068ac3
JM		 593 while (err > 0) {
594 int res = nl_recvmsgs(nl_handle, cb);
595 if (res) {
596 wpa_printf(MSG_INFO,
597 "nl80211: %s->nl_recvmsgs failed: %d",
598 __func__, res);
599 }
600 }
6241fcb1
JM		 601 out:
602 nl_cb_put(cb);
603 nlmsg_free(msg);
604 return err;
605}
606
607
d6c9aab8
JB		 608static int send_and_recv_msgs_global(struct nl80211_global *global,
609 struct nl_msg *msg,
610 int (*valid_handler)(struct nl_msg *, void *),
611 void *valid_data)
612{
481234cf 613 return send_and_recv(global, global->nl, msg, valid_handler,
d6c9aab8
JB		 614 valid_data);
615}
616
617
58f6fbe0
JM		 618static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
619 struct nl_msg *msg,
620 int (*valid_handler)(struct nl_msg *, void *),
621 void *valid_data)
622{
481234cf 623 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 624 valid_handler, valid_data);
58f6fbe0
JM		 625}
626
627
97865538
JM		 628struct family_data {
629 const char *group;
630 int id;
631};
632
633
d3aaef80
DS		 634static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
635{
636 if (bss->wdev_id_set)
637 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
638 else
639 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
640 return 0;
641
642nla_put_failure:
643 return -1;
644}
645
646
97865538
JM		 647static int family_handler(struct nl_msg *msg, void *arg)
648{
649 struct family_data *res = arg;
650 struct nlattr *tb[CTRL_ATTR_MAX + 1];
651 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
652 struct nlattr *mcgrp;
653 int i;
654
655 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
656 genlmsg_attrlen(gnlh, 0), NULL);
657 if (!tb[CTRL_ATTR_MCAST_GROUPS])
658 return NL_SKIP;
659
660 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
661 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
662 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
663 nla_len(mcgrp), NULL);
664 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
665 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
666 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
667 res->group,
668 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
669 continue;
670 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
671 break;
672 };
673
674 return NL_SKIP;
675}
676
677
d6c9aab8 678static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 679 const char *family, const char *group)
680{
681 struct nl_msg *msg;
682 int ret = -1;
683 struct family_data res = { group, -ENOENT };
684
685 msg = nlmsg_alloc();
686 if (!msg)
687 return -ENOMEM;
481234cf 688 genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
97865538
JM		 689 0, 0, CTRL_CMD_GETFAMILY, 0);
690 NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family);
691
d6c9aab8 692 ret = send_and_recv_msgs_global(global, msg, family_handler, &res);
97865538
JM		 693 msg = NULL;
694 if (ret == 0)
695 ret = res.id;
696
697nla_put_failure:
698 nlmsg_free(msg);
699 return ret;
700}
701
702
9fb04070
JM		 703static void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
704 struct nl_msg *msg, int flags, uint8_t cmd)
705{
335d42b1 706 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 707 0, flags, cmd, 0);
9fb04070
JM		 708}
709
710
e32ad281
JB		 711struct wiphy_idx_data {
712 int wiphy_idx;
01517c8b 713 enum nl80211_iftype nlmode;
597b94f5 714 u8 *macaddr;
e32ad281
JB		 715};
716
717
718static int netdev_info_handler(struct nl_msg *msg, void *arg)
719{
720 struct nlattr *tb[NL80211_ATTR_MAX + 1];
721 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
722 struct wiphy_idx_data *info = arg;
723
724 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
725 genlmsg_attrlen(gnlh, 0), NULL);
726
727 if (tb[NL80211_ATTR_WIPHY])
728 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
729
01517c8b
JB		 730 if (tb[NL80211_ATTR_IFTYPE])
731 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
732
597b94f5
AS		 733 if (tb[NL80211_ATTR_MAC] && info->macaddr)
734 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
735 ETH_ALEN);
736
e32ad281
JB		 737 return NL_SKIP;
738}
739
740
741static int nl80211_get_wiphy_index(struct i802_bss *bss)
742{
743 struct nl_msg *msg;
744 struct wiphy_idx_data data = {
745 .wiphy_idx = -1,
597b94f5 746 .macaddr = NULL,
e32ad281
JB		 747 };
748
749 msg = nlmsg_alloc();
750 if (!msg)
8e12685c 751 return NL80211_IFTYPE_UNSPECIFIED;
e32ad281
JB		 752
753 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
754
27ce1d64
AS		 755 if (nl80211_set_iface_id(msg, bss) < 0)
756 goto nla_put_failure;
e32ad281
JB		 757
758 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
759 return data.wiphy_idx;
760 msg = NULL;
761nla_put_failure:
762 nlmsg_free(msg);
763 return -1;
764}
765
766
01517c8b
JB		 767static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
768{
769 struct nl_msg *msg;
770 struct wiphy_idx_data data = {
597b94f5
AS		 771 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
772 .macaddr = NULL,
01517c8b
JB		 773 };
774
775 msg = nlmsg_alloc();
776 if (!msg)
777 return -1;
778
779 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
780
f632e483
AS		 781 if (nl80211_set_iface_id(msg, bss) < 0)
782 goto nla_put_failure;
01517c8b
JB		 783
784 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
785 return data.nlmode;
786 msg = NULL;
787nla_put_failure:
788 nlmsg_free(msg);
789 return NL80211_IFTYPE_UNSPECIFIED;
790}
01517c8b
JB		 791
792
597b94f5
AS		 793static int nl80211_get_macaddr(struct i802_bss *bss)
794{
795 struct nl_msg *msg;
796 struct wiphy_idx_data data = {
797 .macaddr = bss->addr,
798 };
799
800 msg = nlmsg_alloc();
801 if (!msg)
802 return NL80211_IFTYPE_UNSPECIFIED;
803
804 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
805 if (nl80211_set_iface_id(msg, bss) < 0)
806 goto nla_put_failure;
807
808 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
809
810nla_put_failure:
811 nlmsg_free(msg);
812 return NL80211_IFTYPE_UNSPECIFIED;
813}
597b94f5
AS		 814
815
e32ad281
JB		 816static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
817 struct nl80211_wiphy_data *w)
818{
819 struct nl_msg *msg;
820 int ret = -1;
821
822 msg = nlmsg_alloc();
823 if (!msg)
824 return -1;
825
826 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS);
827
828 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx);
829
481234cf 830 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 831 msg = NULL;
832 if (ret) {
833 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
834 "failed: ret=%d (%s)",
835 ret, strerror(-ret));
836 goto nla_put_failure;
837 }
838 ret = 0;
839nla_put_failure:
840 nlmsg_free(msg);
841 return ret;
842}
843
844
845static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
846{
847 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 848 int res;
e32ad281 849
ee9fc67a 850 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 851
34068ac3
JM		 852 res = nl_recvmsgs(handle, w->nl_cb);
853 if (res) {
854 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
855 __func__, res);
856 }
e32ad281
JB		 857}
858
859
860static int process_beacon_event(struct nl_msg *msg, void *arg)
861{
862 struct nl80211_wiphy_data *w = arg;
863 struct wpa_driver_nl80211_data *drv;
864 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
865 struct nlattr *tb[NL80211_ATTR_MAX + 1];
866 union wpa_event_data event;
867
868 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
869 genlmsg_attrlen(gnlh, 0), NULL);
870
871 if (gnlh->cmd != NL80211_CMD_FRAME) {
872 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
873 gnlh->cmd);
874 return NL_SKIP;
875 }
876
877 if (!tb[NL80211_ATTR_FRAME])
878 return NL_SKIP;
879
880 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
881 wiphy_list) {
882 os_memset(&event, 0, sizeof(event));
883 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
884 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
885 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
886 }
887
888 return NL_SKIP;
889}
890
891
892static struct nl80211_wiphy_data *
893nl80211_get_wiphy_data_ap(struct i802_bss *bss)
894{
895 static DEFINE_DL_LIST(nl80211_wiphys);
896 struct nl80211_wiphy_data *w;
897 int wiphy_idx, found = 0;
898 struct i802_bss *tmp_bss;
899
900 if (bss->wiphy_data != NULL)
901 return bss->wiphy_data;
902
903 wiphy_idx = nl80211_get_wiphy_index(bss);
904
905 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
906 if (w->wiphy_idx == wiphy_idx)
907 goto add;
908 }
909
910 /* alloc new one */
911 w = os_zalloc(sizeof(*w));
912 if (w == NULL)
913 return NULL;
914 w->wiphy_idx = wiphy_idx;
915 dl_list_init(&w->bsss);
916 dl_list_init(&w->drvs);
917
918 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
919 if (!w->nl_cb) {
920 os_free(w);
921 return NULL;
922 }
923 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
924 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
925 w);
926
481234cf
JM		 927 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
928 "wiphy beacons");
929 if (w->nl_beacons == NULL) {
e32ad281
JB		 930 os_free(w);
931 return NULL;
932 }
933
934 if (nl80211_register_beacons(bss->drv, w)) {
935 nl_destroy_handles(&w->nl_beacons);
936 os_free(w);
937 return NULL;
938 }
939
5f65e9f7 940 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
e32ad281
JB		 941
942 dl_list_add(&nl80211_wiphys, &w->list);
943
944add:
945 /* drv entry for this bss already there? */
946 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
947 if (tmp_bss->drv == bss->drv) {
948 found = 1;
949 break;
950 }
951 }
952 /* if not add it */
953 if (!found)
954 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
955
956 dl_list_add(&w->bsss, &bss->wiphy_list);
957 bss->wiphy_data = w;
958 return w;
959}
960
961
962static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
963{
964 struct nl80211_wiphy_data *w = bss->wiphy_data;
965 struct i802_bss *tmp_bss;
966 int found = 0;
967
968 if (w == NULL)
969 return;
970 bss->wiphy_data = NULL;
971 dl_list_del(&bss->wiphy_list);
972
973 /* still any for this drv present? */
974 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
975 if (tmp_bss->drv == bss->drv) {
976 found = 1;
977 break;
978 }
979 }
980 /* if not remove it */
981 if (!found)
982 dl_list_del(&bss->drv->wiphy_list);
983
984 if (!dl_list_empty(&w->bsss))
985 return;
986
5f65e9f7 987 nl80211_destroy_eloop_handle(&w->nl_beacons);
e32ad281
JB		 988
989 nl_cb_put(w->nl_cb);
e32ad281
JB		 990 dl_list_del(&w->list);
991 os_free(w);
992}
993
994
3f5285e8
JM		 995static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
996{
a2e40bb6
FF		 997 struct i802_bss *bss = priv;
998 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 999 if (!drv->associated)
1000 return -1;
1001 os_memcpy(bssid, drv->bssid, ETH_ALEN);
1002 return 0;
3f5285e8
JM		 1003}
1004
1005
3f5285e8
JM		 1006static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
1007{
a2e40bb6
FF		 1008 struct i802_bss *bss = priv;
1009 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 1010 if (!drv->associated)
1011 return -1;
1012 os_memcpy(ssid, drv->ssid, drv->ssid_len);
1013 return drv->ssid_len;
3f5285e8
JM		 1014}
1015
1016
7524cfb1 1017static void wpa_driver_nl80211_event_link(struct wpa_driver_nl80211_data *drv,
08063178 1018 char *buf, size_t len, int del)
3f5285e8
JM		 1019{
1020 union wpa_event_data event;
1021
1022 os_memset(&event, 0, sizeof(event));
1023 if (len > sizeof(event.interface_status.ifname))
1024 len = sizeof(event.interface_status.ifname) - 1;
1025 os_memcpy(event.interface_status.ifname, buf, len);
1026 event.interface_status.ievent = del ? EVENT_INTERFACE_REMOVED :
1027 EVENT_INTERFACE_ADDED;
1028
1029 wpa_printf(MSG_DEBUG, "RTM_%sLINK, IFLA_IFNAME: Interface '%s' %s",
1030 del ? "DEL" : "NEW",
1031 event.interface_status.ifname,
1032 del ? "removed" : "added");
1033
834ee56f
KP		 1034 if (os_strcmp(drv->first_bss->ifname, event.interface_status.ifname) ==
1035 0) {
d1f4942b
JM		 1036 if (del) {
1037 if (drv->if_removed) {
1038 wpa_printf(MSG_DEBUG, "nl80211: if_removed "
1039 "already set - ignore event");
1040 return;
1041 }
7524cfb1 1042 drv->if_removed = 1;
d1f4942b 1043 } else {
834ee56f 1044 if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 1045 wpa_printf(MSG_DEBUG, "nl80211: Interface %s "
1046 "does not exist - ignore "
1047 "RTM_NEWLINK",
834ee56f 1048 drv->first_bss->ifname);
d1f4942b
JM		 1049 return;
1050 }
1051 if (!drv->if_removed) {
1052 wpa_printf(MSG_DEBUG, "nl80211: if_removed "
1053 "already cleared - ignore event");
1054 return;
1055 }
7524cfb1 1056 drv->if_removed = 0;
d1f4942b 1057 }
7524cfb1
JM		 1058 }
1059
08063178 1060 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
3f5285e8
JM		 1061}
1062
1063
7524cfb1 1064static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 1065 u8 *buf, size_t len)
7524cfb1 1066{
62d680c3 1067 int attrlen, rta_len;
7524cfb1
JM		 1068 struct rtattr *attr;
1069
62d680c3
JM		 1070 attrlen = len;
1071 attr = (struct rtattr *) buf;
7524cfb1
JM		 1072
1073 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1074 while (RTA_OK(attr, attrlen)) {
1075 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 1076 if (os_strcmp(((char *) attr) + rta_len,
1077 drv->first_bss->ifname) == 0)
7524cfb1
JM		 1078 return 1;
1079 else
1080 break;
1081 }
1082 attr = RTA_NEXT(attr, attrlen);
1083 }
1084
1085 return 0;
1086}
1087
1088
1089static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 1090 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 1091{
1092 if (drv->ifindex == ifindex)
1093 return 1;
1094
62d680c3 1095 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
7524cfb1
JM		 1096 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
1097 "interface");
49b4b205 1098 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0);
7524cfb1
JM		 1099 return 1;
1100 }
1101
1102 return 0;
1103}
1104
1105
36d84860
BG		 1106static struct wpa_driver_nl80211_data *
1107nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
1108{
1109 struct wpa_driver_nl80211_data *drv;
1110 dl_list_for_each(drv, &global->interfaces,
1111 struct wpa_driver_nl80211_data, list) {
1112 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
1113 have_ifidx(drv, idx))
1114 return drv;
1115 }
1116 return NULL;
1117}
1118
1119
62d680c3
JM		 1120static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1121 struct ifinfomsg *ifi,
1122 u8 *buf, size_t len)
3f5285e8 1123{
36d84860
BG		 1124 struct nl80211_global *global = ctx;
1125 struct wpa_driver_nl80211_data *drv;
62d680c3
JM		 1126 int attrlen, rta_len;
1127 struct rtattr *attr;
97cfcf64 1128 u32 brid = 0;
aef85ba2 1129 char namebuf[IFNAMSIZ];
3f5285e8 1130
36d84860
BG		 1131 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1132 if (!drv) {
97cfcf64
B		 1133 wpa_printf(MSG_DEBUG, "nl80211: Ignore event for foreign "
1134 "ifindex %d", ifi->ifi_index);
3f5285e8
JM		 1135 return;
1136 }
1137
1138 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: operstate=%d ifi_flags=0x%x "
1139 "(%s%s%s%s)",
1140 drv->operstate, ifi->ifi_flags,
1141 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1142 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1143 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1144 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4
JM		 1145
1146 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
59d24925
JM		 1147 if (if_indextoname(ifi->ifi_index, namebuf) &&
1148 linux_iface_up(drv->global->ioctl_sock,
834ee56f 1149 drv->first_bss->ifname) > 0) {
59d24925
JM		 1150 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1151 "event since interface %s is up", namebuf);
1152 return;
1153 }
a63063b4 1154 wpa_printf(MSG_DEBUG, "nl80211: Interface down");
7d9c3698
JM		 1155 if (drv->ignore_if_down_event) {
1156 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1157 "event generated by mode change");
1158 drv->ignore_if_down_event = 0;
1159 } else {
1160 drv->if_disabled = 1;
1161 wpa_supplicant_event(drv->ctx,
1162 EVENT_INTERFACE_DISABLED, NULL);
1163 }
a63063b4
JM		 1164 }
1165
1166 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2
JM		 1167 if (if_indextoname(ifi->ifi_index, namebuf) &&
1168 linux_iface_up(drv->global->ioctl_sock,
834ee56f 1169 drv->first_bss->ifname) == 0) {
aef85ba2
JM		 1170 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1171 "event since interface %s is down",
1172 namebuf);
834ee56f 1173 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 1174 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1175 "event since interface %s does not exist",
834ee56f 1176 drv->first_bss->ifname);
d1f4942b
JM		 1177 } else if (drv->if_removed) {
1178 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1179 "event since interface %s is marked "
834ee56f 1180 "removed", drv->first_bss->ifname);
aef85ba2
JM		 1181 } else {
1182 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1183 drv->if_disabled = 0;
1184 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1185 NULL);
1186 }
a63063b4
JM		 1187 }
1188
3f5285e8
JM		 1189 /*
1190 * Some drivers send the association event before the operup event--in
1191 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1192 * fails. This will hit us when wpa_supplicant does not need to do
1193 * IEEE 802.1X authentication
1194 */
1195 if (drv->operstate == 1 &&
1196 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1197 !(ifi->ifi_flags & IFF_RUNNING))
36d84860 1198 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1199 -1, IF_OPER_UP);
3f5285e8 1200
62d680c3
JM		 1201 attrlen = len;
1202 attr = (struct rtattr *) buf;
3f5285e8
JM		 1203 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1204 while (RTA_OK(attr, attrlen)) {
d8816397 1205 if (attr->rta_type == IFLA_IFNAME) {
7524cfb1 1206 wpa_driver_nl80211_event_link(
08063178 1207 drv,
7524cfb1
JM		 1208 ((char *) attr) + rta_len,
1209 attr->rta_len - rta_len, 0);
97cfcf64
B		 1210 } else if (attr->rta_type == IFLA_MASTER)
1211 brid = nla_get_u32((struct nlattr *) attr);
3f5285e8
JM		 1212 attr = RTA_NEXT(attr, attrlen);
1213 }
97cfcf64
B		 1214
1215 if (ifi->ifi_family == AF_BRIDGE && brid) {
1216 /* device has been added to bridge */
97cfcf64
B		 1217 if_indextoname(brid, namebuf);
1218 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1219 brid, namebuf);
1220 add_ifidx(drv, brid);
1221 }
3f5285e8
JM		 1222}
1223
1224
62d680c3
JM		 1225static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1226 struct ifinfomsg *ifi,
1227 u8 *buf, size_t len)
3f5285e8 1228{
36d84860
BG		 1229 struct nl80211_global *global = ctx;
1230 struct wpa_driver_nl80211_data *drv;
62d680c3
JM		 1231 int attrlen, rta_len;
1232 struct rtattr *attr;
97cfcf64 1233 u32 brid = 0;
3f5285e8 1234
36d84860
BG		 1235 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1236 if (!drv) {
1237 wpa_printf(MSG_DEBUG, "nl80211: Ignore dellink event for "
1238 "foreign ifindex %d", ifi->ifi_index);
1239 return;
1240 }
1241
62d680c3
JM		 1242 attrlen = len;
1243 attr = (struct rtattr *) buf;
3f5285e8
JM		 1244
1245 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1246 while (RTA_OK(attr, attrlen)) {
1247 if (attr->rta_type == IFLA_IFNAME) {
7524cfb1 1248 wpa_driver_nl80211_event_link(
08063178 1249 drv,
7524cfb1
JM		 1250 ((char *) attr) + rta_len,
1251 attr->rta_len - rta_len, 1);
97cfcf64
B		 1252 } else if (attr->rta_type == IFLA_MASTER)
1253 brid = nla_get_u32((struct nlattr *) attr);
3f5285e8
JM		 1254 attr = RTA_NEXT(attr, attrlen);
1255 }
97cfcf64
B		 1256
1257 if (ifi->ifi_family == AF_BRIDGE && brid) {
1258 /* device has been removed from bridge */
1259 char namebuf[IFNAMSIZ];
1260 if_indextoname(brid, namebuf);
1261 wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
1262 "%s", brid, namebuf);
1263 del_ifidx(drv, brid);
1264 }
3f5285e8
JM		 1265}
1266
1267
c2a04078
JM		 1268static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
1269 const u8 *frame, size_t len)
1270{
1271 const struct ieee80211_mgmt *mgmt;
1272 union wpa_event_data event;
1273
7d81932d 1274 wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
c2a04078
JM		 1275 mgmt = (const struct ieee80211_mgmt *) frame;
1276 if (len < 24 + sizeof(mgmt->u.auth)) {
1277 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1278 "frame");
1279 return;
1280 }
1281
e6b8efeb 1282 os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1283 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
c2a04078
JM		 1284 os_memset(&event, 0, sizeof(event));
1285 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
1286 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
569fed90
JM		 1287 event.auth.auth_transaction =
1288 le_to_host16(mgmt->u.auth.auth_transaction);
c2a04078
JM		 1289 event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
1290 if (len > 24 + sizeof(mgmt->u.auth)) {
1291 event.auth.ies = mgmt->u.auth.variable;
1292 event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
1293 }
1294
1295 wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
1296}
1297
1298
f5a8d422
JM		 1299static unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1300{
1301 struct nl_msg *msg;
1302 int ret;
1303 struct nl80211_bss_info_arg arg;
1304
1305 os_memset(&arg, 0, sizeof(arg));
1306 msg = nlmsg_alloc();
1307 if (!msg)
1308 goto nla_put_failure;
1309
9fb04070 1310 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422
JM		 1311 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
1312
1313 arg.drv = drv;
1314 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1315 msg = NULL;
1316 if (ret == 0) {
1317 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1318 "associated BSS from scan results: %u MHz",
1319 arg.assoc_freq);
30158a0d
SD		 1320 if (arg.assoc_freq)
1321 drv->assoc_freq = arg.assoc_freq;
1322 return drv->assoc_freq;
f5a8d422
JM		 1323 }
1324 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1325 "(%s)", ret, strerror(-ret));
1326nla_put_failure:
1327 nlmsg_free(msg);
1328 return drv->assoc_freq;
1329}
1330
1331
c2a04078
JM		 1332static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
1333 const u8 *frame, size_t len)
1334{
1335 const struct ieee80211_mgmt *mgmt;
1336 union wpa_event_data event;
1337 u16 status;
1338
7d81932d 1339 wpa_printf(MSG_DEBUG, "nl80211: Associate event");
c2a04078
JM		 1340 mgmt = (const struct ieee80211_mgmt *) frame;
1341 if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
1342 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1343 "frame");
1344 return;
1345 }
1346
1347 status = le_to_host16(mgmt->u.assoc_resp.status_code);
1348 if (status != WLAN_STATUS_SUCCESS) {
efa46078 1349 os_memset(&event, 0, sizeof(event));
59ddf221 1350 event.assoc_reject.bssid = mgmt->bssid;
efa46078
JM		 1351 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1352 event.assoc_reject.resp_ies =
1353 (u8 *) mgmt->u.assoc_resp.variable;
1354 event.assoc_reject.resp_ies_len =
1355 len - 24 - sizeof(mgmt->u.assoc_resp);
1356 }
1357 event.assoc_reject.status_code = status;
1358
1359 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
c2a04078
JM		 1360 return;
1361 }
1362
1363 drv->associated = 1;
1364 os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1365 os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
c2a04078
JM		 1366
1367 os_memset(&event, 0, sizeof(event));
1368 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1369 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
1370 event.assoc_info.resp_ies_len =
efa46078 1371 len - 24 - sizeof(mgmt->u.assoc_resp);
c2a04078
JM		 1372 }
1373
4832ecd7
JM		 1374 event.assoc_info.freq = drv->assoc_freq;
1375
c2a04078
JM		 1376 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1377}
1378
c1bb3e0a 1379
da72a1c1
ZY		 1380static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
1381 enum nl80211_commands cmd, struct nlattr *status,
1382 struct nlattr *addr, struct nlattr *req_ie,
1383 struct nlattr *resp_ie)
1384{
1385 union wpa_event_data event;
1386
7da2c527
JM		 1387 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1388 /*
1389 * Avoid reporting two association events that would confuse
1390 * the core code.
1391 */
1392 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
1393 "when using userspace SME", cmd);
1394 return;
1395 }
1396
7d81932d
JM		 1397 if (cmd == NL80211_CMD_CONNECT)
1398 wpa_printf(MSG_DEBUG, "nl80211: Connect event");
1399 else if (cmd == NL80211_CMD_ROAM)
1400 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
1401
da72a1c1
ZY		 1402 os_memset(&event, 0, sizeof(event));
1403 if (cmd == NL80211_CMD_CONNECT &&
1404 nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
df89c1c8
JM		 1405 if (addr)
1406 event.assoc_reject.bssid = nla_data(addr);
da72a1c1
ZY		 1407 if (resp_ie) {
1408 event.assoc_reject.resp_ies = nla_data(resp_ie);
1409 event.assoc_reject.resp_ies_len = nla_len(resp_ie);
1410 }
1411 event.assoc_reject.status_code = nla_get_u16(status);
1412 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
1413 return;
1414 }
1415
1416 drv->associated = 1;
add9b7a4 1417 if (addr) {
da72a1c1 1418 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
add9b7a4
JM		 1419 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
1420 }
da72a1c1
ZY		 1421
1422 if (req_ie) {
1423 event.assoc_info.req_ies = nla_data(req_ie);
1424 event.assoc_info.req_ies_len = nla_len(req_ie);
1425 }
1426 if (resp_ie) {
1427 event.assoc_info.resp_ies = nla_data(resp_ie);
1428 event.assoc_info.resp_ies_len = nla_len(resp_ie);
1429 }
1430
f5a8d422
JM		 1431 event.assoc_info.freq = nl80211_get_assoc_freq(drv);
1432
da72a1c1
ZY		 1433 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1434}
c2a04078 1435
c1bb3e0a 1436
20f5a4c2 1437static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
3d9975d5
JM		 1438 struct nlattr *reason, struct nlattr *addr,
1439 struct nlattr *by_ap)
20f5a4c2
JM		 1440{
1441 union wpa_event_data data;
a8c5b43a 1442 unsigned int locally_generated = by_ap == NULL;
20f5a4c2
JM		 1443
1444 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1445 /*
1446 * Avoid reporting two disassociation events that could
1447 * confuse the core code.
1448 */
1449 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1450 "event when using userspace SME");
1451 return;
1452 }
1453
a8c5b43a
CW		 1454 if (drv->ignore_next_local_disconnect) {
1455 drv->ignore_next_local_disconnect = 0;
1456 if (locally_generated) {
1457 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1458 "event triggered during reassociation");
1459 return;
1460 }
1461 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
1462 "disconnect but got another disconnect "
1463 "event first");
1464 }
1465
7d81932d 1466 wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
add9b7a4 1467 nl80211_mark_disconnected(drv);
20f5a4c2
JM		 1468 os_memset(&data, 0, sizeof(data));
1469 if (reason)
2e9f078c
JM		 1470 data.deauth_info.reason_code = nla_get_u16(reason);
1471 data.deauth_info.locally_generated = by_ap == NULL;
1472 wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
20f5a4c2
JM		 1473}
1474
1475
1b487b8b
TP		 1476static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
1477 struct nlattr *freq, struct nlattr *type)
1478{
1479 union wpa_event_data data;
1480 int ht_enabled = 1;
1481 int chan_offset = 0;
1482
1483 wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
1484
1485 if (!freq || !type)
1486 return;
1487
1488 switch (nla_get_u32(type)) {
1489 case NL80211_CHAN_NO_HT:
1490 ht_enabled = 0;
1491 break;
1492 case NL80211_CHAN_HT20:
1493 break;
1494 case NL80211_CHAN_HT40PLUS:
1495 chan_offset = 1;
1496 break;
1497 case NL80211_CHAN_HT40MINUS:
1498 chan_offset = -1;
1499 break;
1500 }
1501
1502 data.ch_switch.freq = nla_get_u32(freq);
1503 data.ch_switch.ht_enabled = ht_enabled;
1504 data.ch_switch.ch_offset = chan_offset;
1505
1c4ffa87
AO		 1506 drv->first_bss->freq = data.ch_switch.freq;
1507
1b487b8b
TP		 1508 wpa_supplicant_event(drv->ctx, EVENT_CH_SWITCH, &data);
1509}
1510
1511
da1fb17c
JM		 1512static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
1513 enum nl80211_commands cmd, struct nlattr *addr)
1514{
1515 union wpa_event_data event;
1516 enum wpa_event_type ev;
1517
1518 if (nla_len(addr) != ETH_ALEN)
1519 return;
1520
1521 wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
1522 cmd, MAC2STR((u8 *) nla_data(addr)));
1523
1524 if (cmd == NL80211_CMD_AUTHENTICATE)
1525 ev = EVENT_AUTH_TIMED_OUT;
1526 else if (cmd == NL80211_CMD_ASSOCIATE)
1527 ev = EVENT_ASSOC_TIMED_OUT;
1528 else
1529 return;
1530
1531 os_memset(&event, 0, sizeof(event));
1532 os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
1533 wpa_supplicant_event(drv->ctx, ev, &event);
1534}
1535
1536
5582a5d1 1537static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv,
da873dbb
JB		 1538 struct nlattr *freq, struct nlattr *sig,
1539 const u8 *frame, size_t len)
58f6fbe0
JM		 1540{
1541 const struct ieee80211_mgmt *mgmt;
1542 union wpa_event_data event;
1543 u16 fc, stype;
da873dbb 1544 int ssi_signal = 0;
f18b7817 1545 int rx_freq = 0;
58f6fbe0 1546
cc2ada86 1547 wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
58f6fbe0
JM		 1548 mgmt = (const struct ieee80211_mgmt *) frame;
1549 if (len < 24) {
1550 wpa_printf(MSG_DEBUG, "nl80211: Too short action frame");
1551 return;
1552 }
1553
1554 fc = le_to_host16(mgmt->frame_control);
1555 stype = WLAN_FC_GET_STYPE(fc);
1556
da873dbb
JB		 1557 if (sig)
1558 ssi_signal = (s32) nla_get_u32(sig);
1559
58f6fbe0 1560 os_memset(&event, 0, sizeof(event));
5582a5d1 1561 if (freq) {
58f6fbe0 1562 event.rx_action.freq = nla_get_u32(freq);
f18b7817 1563 rx_freq = drv->last_mgmt_freq = event.rx_action.freq;
5582a5d1 1564 }
f18b7817
JM		 1565 wpa_printf(MSG_DEBUG,
1566 "nl80211: RX frame freq=%d ssi_signal=%d stype=%u len=%u",
1567 rx_freq, ssi_signal, stype, (unsigned int) len);
5582a5d1
JB		 1568 if (stype == WLAN_FC_STYPE_ACTION) {
1569 event.rx_action.da = mgmt->da;
1570 event.rx_action.sa = mgmt->sa;
1571 event.rx_action.bssid = mgmt->bssid;
1572 event.rx_action.category = mgmt->u.action.category;
1573 event.rx_action.data = &mgmt->u.action.category + 1;
1574 event.rx_action.len = frame + len - event.rx_action.data;
1575 wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event);
1576 } else {
1577 event.rx_mgmt.frame = frame;
1578 event.rx_mgmt.frame_len = len;
da873dbb 1579 event.rx_mgmt.ssi_signal = ssi_signal;
5582a5d1
JB		 1580 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
1581 }
58f6fbe0
JM		 1582}
1583
1584
a11241fa
JB		 1585static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
1586 struct nlattr *cookie, const u8 *frame,
1587 size_t len, struct nlattr *ack)
58f6fbe0
JM		 1588{
1589 union wpa_event_data event;
1590 const struct ieee80211_hdr *hdr;
1591 u16 fc;
58f6fbe0 1592
7d81932d 1593 wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
a11241fa
JB		 1594 if (!is_ap_interface(drv->nlmode)) {
1595 u64 cookie_val;
58f6fbe0 1596
a11241fa
JB		 1597 if (!cookie)
1598 return;
1599
1600 cookie_val = nla_get_u64(cookie);
1601 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
1602 " cookie=0%llx%s (ack=%d)",
1603 (long long unsigned int) cookie_val,
1604 cookie_val == drv->send_action_cookie ?
1605 " (match)" : " (unknown)", ack != NULL);
1606 if (cookie_val != drv->send_action_cookie)
1607 return;
1608 }
58f6fbe0
JM		 1609
1610 hdr = (const struct ieee80211_hdr *) frame;
1611 fc = le_to_host16(hdr->frame_control);
1612
1613 os_memset(&event, 0, sizeof(event));
1614 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
1615 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
1616 event.tx_status.dst = hdr->addr1;
1617 event.tx_status.data = frame;
1618 event.tx_status.data_len = len;
1619 event.tx_status.ack = ack != NULL;
1620 wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
1621}
1622
1623
0544b242
JM		 1624static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
1625 enum wpa_event_type type,
1626 const u8 *frame, size_t len)
1627{
1628 const struct ieee80211_mgmt *mgmt;
1629 union wpa_event_data event;
1630 const u8 *bssid = NULL;
1631 u16 reason_code = 0;
1632
7d81932d
JM		 1633 if (type == EVENT_DEAUTH)
1634 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
1635 else
1636 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
1637
cb30b297
PS		 1638 mgmt = (const struct ieee80211_mgmt *) frame;
1639 if (len >= 24) {
1640 bssid = mgmt->bssid;
1641
add9b7a4
JM		 1642 if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
1643 !drv->associated &&
1644 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
1645 os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
1646 os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
1647 /*
1648 * Avoid issues with some roaming cases where
1649 * disconnection event for the old AP may show up after
1650 * we have started connection with the new AP.
1651 */
1652 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
1653 MAC2STR(bssid),
1654 MAC2STR(drv->auth_attempt_bssid));
1655 return;
1656 }
1657
cb30b297
PS		 1658 if (drv->associated != 0 &&
1659 os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
1660 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
1661 /*
1662 * We have presumably received this deauth as a
1663 * response to a clear_state_mismatch() outgoing
1664 * deauth. Don't let it take us offline!
1665 */
1666 wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
1667 "from Unknown BSSID " MACSTR " -- ignoring",
1668 MAC2STR(bssid));
1669 return;
1670 }
1671 }
1672
add9b7a4 1673 nl80211_mark_disconnected(drv);
0544b242
JM		 1674 os_memset(&event, 0, sizeof(event));
1675
0544b242
JM		 1676 /* Note: Same offset for Reason Code in both frame subtypes */
1677 if (len >= 24 + sizeof(mgmt->u.deauth))
1678 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1679
1680 if (type == EVENT_DISASSOC) {
3d9975d5 1681 event.disassoc_info.locally_generated =
834ee56f 1682 !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
0544b242
JM		 1683 event.disassoc_info.addr = bssid;
1684 event.disassoc_info.reason_code = reason_code;
046b26a2
JM		 1685 if (frame + len > mgmt->u.disassoc.variable) {
1686 event.disassoc_info.ie = mgmt->u.disassoc.variable;
1687 event.disassoc_info.ie_len = frame + len -
1688 mgmt->u.disassoc.variable;
1689 }
0544b242 1690 } else {
3d9975d5 1691 event.deauth_info.locally_generated =
834ee56f 1692 !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
0544b242
JM		 1693 event.deauth_info.addr = bssid;
1694 event.deauth_info.reason_code = reason_code;
046b26a2
JM		 1695 if (frame + len > mgmt->u.deauth.variable) {
1696 event.deauth_info.ie = mgmt->u.deauth.variable;
1697 event.deauth_info.ie_len = frame + len -
1698 mgmt->u.deauth.variable;
1699 }
0544b242
JM		 1700 }
1701
1702 wpa_supplicant_event(drv->ctx, type, &event);
1703}
1704
1705
7d878ca7
JM		 1706static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
1707 enum wpa_event_type type,
1708 const u8 *frame, size_t len)
1709{
1710 const struct ieee80211_mgmt *mgmt;
1711 union wpa_event_data event;
1712 u16 reason_code = 0;
1713
7d81932d
JM		 1714 if (type == EVENT_UNPROT_DEAUTH)
1715 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
1716 else
1717 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
1718
7d878ca7
JM		 1719 if (len < 24)
1720 return;
1721
1722 mgmt = (const struct ieee80211_mgmt *) frame;
1723
1724 os_memset(&event, 0, sizeof(event));
1725 /* Note: Same offset for Reason Code in both frame subtypes */
1726 if (len >= 24 + sizeof(mgmt->u.deauth))
1727 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1728
1729 if (type == EVENT_UNPROT_DISASSOC) {
1730 event.unprot_disassoc.sa = mgmt->sa;
1731 event.unprot_disassoc.da = mgmt->da;
1732 event.unprot_disassoc.reason_code = reason_code;
1733 } else {
1734 event.unprot_deauth.sa = mgmt->sa;
1735 event.unprot_deauth.da = mgmt->da;
1736 event.unprot_deauth.reason_code = reason_code;
1737 }
1738
1739 wpa_supplicant_event(drv->ctx, type, &event);
1740}
1741
1742
97279d8d 1743static void mlme_event(struct i802_bss *bss,
da1fb17c 1744 enum nl80211_commands cmd, struct nlattr *frame,
58f6fbe0
JM		 1745 struct nlattr *addr, struct nlattr *timed_out,
1746 struct nlattr *freq, struct nlattr *ack,
da873dbb 1747 struct nlattr *cookie, struct nlattr *sig)
c2a04078 1748{
97279d8d
JM		 1749 struct wpa_driver_nl80211_data *drv = bss->drv;
1750 const u8 *data;
1751 size_t len;
1752
da1fb17c
JM		 1753 if (timed_out && addr) {
1754 mlme_timeout_event(drv, cmd, addr);
1755 return;
1756 }
1757
c2a04078 1758 if (frame == NULL) {
2090a0b4
DS		 1759 wpa_printf(MSG_DEBUG,
1760 "nl80211: MLME event %d (%s) without frame data",
1761 cmd, nl80211_command_to_string(cmd));
c2a04078
JM		 1762 return;
1763 }
1764
97279d8d
JM		 1765 data = nla_data(frame);
1766 len = nla_len(frame);
455299fb 1767 if (len < 4 + 2 * ETH_ALEN) {
2090a0b4
DS		 1768 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
1769 MACSTR ") - too short",
1770 cmd, nl80211_command_to_string(cmd), bss->ifname,
1771 MAC2STR(bss->addr));
97279d8d
JM		 1772 return;
1773 }
2090a0b4
DS		 1774 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
1775 ") A1=" MACSTR " A2=" MACSTR, cmd,
1776 nl80211_command_to_string(cmd), bss->ifname,
1777 MAC2STR(bss->addr), MAC2STR(data + 4),
1778 MAC2STR(data + 4 + ETH_ALEN));
97279d8d 1779 if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
455299fb
JM		 1780 os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
1781 os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
97279d8d
JM		 1782 wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
1783 "for foreign address", bss->ifname);
1784 return;
1785 }
c2a04078
JM		 1786 wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
1787 nla_data(frame), nla_len(frame));
1788
1789 switch (cmd) {
1790 case NL80211_CMD_AUTHENTICATE:
1791 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
1792 break;
1793 case NL80211_CMD_ASSOCIATE:
1794 mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
1795 break;
1796 case NL80211_CMD_DEAUTHENTICATE:
0544b242
JM		 1797 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
1798 nla_data(frame), nla_len(frame));
c2a04078
JM		 1799 break;
1800 case NL80211_CMD_DISASSOCIATE:
0544b242
JM		 1801 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
1802 nla_data(frame), nla_len(frame));
c2a04078 1803 break;
bd94971e 1804 case NL80211_CMD_FRAME:
da873dbb
JB		 1805 mlme_event_mgmt(drv, freq, sig, nla_data(frame),
1806 nla_len(frame));
58f6fbe0 1807 break;
bd94971e 1808 case NL80211_CMD_FRAME_TX_STATUS:
a11241fa
JB		 1809 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
1810 nla_len(frame), ack);
58f6fbe0 1811 break;
7d878ca7
JM		 1812 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
1813 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
1814 nla_data(frame), nla_len(frame));
1815 break;
1816 case NL80211_CMD_UNPROT_DISASSOCIATE:
1817 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
1818 nla_data(frame), nla_len(frame));
1819 break;
c2a04078
JM		 1820 default:
1821 break;
1822 }
1823}
1824
1825
a5e1eb20 1826static void mlme_event_michael_mic_failure(struct i802_bss *bss,
35583f3f
JM		 1827 struct nlattr *tb[])
1828{
1829 union wpa_event_data data;
1830
1831 wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
1832 os_memset(&data, 0, sizeof(data));
1833 if (tb[NL80211_ATTR_MAC]) {
1834 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
1835 nla_data(tb[NL80211_ATTR_MAC]),
1836 nla_len(tb[NL80211_ATTR_MAC]));
ad1e68e6 1837 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
35583f3f
JM		 1838 }
1839 if (tb[NL80211_ATTR_KEY_SEQ]) {
1840 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
1841 nla_data(tb[NL80211_ATTR_KEY_SEQ]),
1842 nla_len(tb[NL80211_ATTR_KEY_SEQ]));
1843 }
1844 if (tb[NL80211_ATTR_KEY_TYPE]) {
1845 enum nl80211_key_type key_type =
1846 nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
1847 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
1848 if (key_type == NL80211_KEYTYPE_PAIRWISE)
1849 data.michael_mic_failure.unicast = 1;
1850 } else
1851 data.michael_mic_failure.unicast = 1;
1852
1853 if (tb[NL80211_ATTR_KEY_IDX]) {
1854 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
1855 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
1856 }
1857
a5e1eb20 1858 wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
35583f3f
JM		 1859}
1860
1861
5cc4d64b
JM		 1862static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
1863 struct nlattr *tb[])
1864{
1865 if (tb[NL80211_ATTR_MAC] == NULL) {
1866 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
1867 "event");
1868 return;
1869 }
1870 os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
b21990b4 1871
5cc4d64b
JM		 1872 drv->associated = 1;
1873 wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
1874 MAC2STR(drv->bssid));
1875
1876 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1877}
1878
1879
55777702
JM		 1880static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
1881 int cancel_event, struct nlattr *tb[])
1882{
1883 unsigned int freq, chan_type, duration;
1884 union wpa_event_data data;
1885 u64 cookie;
1886
1887 if (tb[NL80211_ATTR_WIPHY_FREQ])
1888 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1889 else
1890 freq = 0;
1891
1892 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
1893 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1894 else
1895 chan_type = 0;
1896
1897 if (tb[NL80211_ATTR_DURATION])
1898 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
1899 else
1900 duration = 0;
1901
1902 if (tb[NL80211_ATTR_COOKIE])
1903 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1904 else
1905 cookie = 0;
1906
1907 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
1908 "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
1909 cancel_event, freq, chan_type, duration,
1910 (long long unsigned int) cookie,
1911 cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
1912
1913 if (cookie != drv->remain_on_chan_cookie)
1914 return; /* not for us */
1915
531f0331
JB		 1916 if (cancel_event)
1917 drv->pending_remain_on_chan = 0;
55777702
JM		 1918
1919 os_memset(&data, 0, sizeof(data));
1920 data.remain_on_channel.freq = freq;
1921 data.remain_on_channel.duration = duration;
1922 wpa_supplicant_event(drv->ctx, cancel_event ?
1923 EVENT_CANCEL_REMAIN_ON_CHANNEL :
1924 EVENT_REMAIN_ON_CHANNEL, &data);
1925}
1926
1927
6a1ce395
DG		 1928static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
1929 struct nlattr *tb[])
1930{
1931 union wpa_event_data data;
1932
1933 os_memset(&data, 0, sizeof(data));
1934
1935 if (tb[NL80211_ATTR_IE]) {
1936 data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
1937 data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
1938 }
1939
1940 if (tb[NL80211_ATTR_IE_RIC]) {
1941 data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
1942 data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
1943 }
1944
1945 if (tb[NL80211_ATTR_MAC])
1946 os_memcpy(data.ft_ies.target_ap,
1947 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1948
1949 wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
1950 MAC2STR(data.ft_ies.target_ap));
1951
1952 wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
1953}
1954
1955
8d923a4a
JM		 1956static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
1957 struct nlattr *tb[])
1958{
1959 union wpa_event_data event;
1960 struct nlattr *nl;
1961 int rem;
1962 struct scan_info *info;
1963#define MAX_REPORT_FREQS 50
1964 int freqs[MAX_REPORT_FREQS];
1965 int num_freqs = 0;
1966
536fd62d
JM		 1967 if (drv->scan_for_auth) {
1968 drv->scan_for_auth = 0;
1969 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
1970 "cfg80211 BSS entry");
1971 wpa_driver_nl80211_authenticate_retry(drv);
1972 return;
1973 }
1974
8d923a4a
JM		 1975 os_memset(&event, 0, sizeof(event));
1976 info = &event.scan_info;
1977 info->aborted = aborted;
1978
1979 if (tb[NL80211_ATTR_SCAN_SSIDS]) {
1980 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
1981 struct wpa_driver_scan_ssid *s =
1982 &info->ssids[info->num_ssids];
1983 s->ssid = nla_data(nl);
1984 s->ssid_len = nla_len(nl);
1985 info->num_ssids++;
1986 if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1987 break;
1988 }
1989 }
1990 if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1991 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1992 {
1993 freqs[num_freqs] = nla_get_u32(nl);
1994 num_freqs++;
1995 if (num_freqs == MAX_REPORT_FREQS - 1)
1996 break;
1997 }
1998 info->freqs = freqs;
1999 info->num_freqs = num_freqs;
2000 }
2001 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
2002}
2003
2004
60a972a6
JM		 2005static int get_link_signal(struct nl_msg *msg, void *arg)
2006{
2007 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2008 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2009 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
2010 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
2011 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 2012 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 2013 };
7ee35bf3
PS		 2014 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
2015 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
2016 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
2017 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
2018 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
2019 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
2020 };
1c5c7273 2021 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 2022
2023 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2024 genlmsg_attrlen(gnlh, 0), NULL);
2025 if (!tb[NL80211_ATTR_STA_INFO] ||
2026 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
2027 tb[NL80211_ATTR_STA_INFO], policy))
2028 return NL_SKIP;
2029 if (!sinfo[NL80211_STA_INFO_SIGNAL])
2030 return NL_SKIP;
2031
7ee35bf3
PS		 2032 sig_change->current_signal =
2033 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
2034
95783298
AO		 2035 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
2036 sig_change->avg_signal =
2037 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
2038 else
2039 sig_change->avg_signal = 0;
2040
7ee35bf3
PS		 2041 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
2042 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
2043 sinfo[NL80211_STA_INFO_TX_BITRATE],
2044 rate_policy)) {
2045 sig_change->current_txrate = 0;
2046 } else {
2047 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
2048 sig_change->current_txrate =
2049 nla_get_u16(rinfo[
2050 NL80211_RATE_INFO_BITRATE]) * 100;
2051 }
2052 }
2053 }
2054
60a972a6
JM		 2055 return NL_SKIP;
2056}
2057
2058
2059static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1c5c7273 2060 struct wpa_signal_info *sig)
60a972a6
JM		 2061{
2062 struct nl_msg *msg;
2063
7ee35bf3
PS		 2064 sig->current_signal = -9999;
2065 sig->current_txrate = 0;
60a972a6
JM		 2066
2067 msg = nlmsg_alloc();
2068 if (!msg)
2069 return -ENOMEM;
2070
9fb04070 2071 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
60a972a6
JM		 2072
2073 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2074 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
2075
2076 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
2077 nla_put_failure:
5883168a 2078 nlmsg_free(msg);
60a972a6
JM		 2079 return -ENOBUFS;
2080}
2081
2082
7ee35bf3
PS		 2083static int get_link_noise(struct nl_msg *msg, void *arg)
2084{
2085 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2086 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2087 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2088 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2089 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2090 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2091 };
1c5c7273 2092 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 2093
2094 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2095 genlmsg_attrlen(gnlh, 0), NULL);
2096
2097 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2098 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
2099 return NL_SKIP;
2100 }
2101
2102 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2103 tb[NL80211_ATTR_SURVEY_INFO],
2104 survey_policy)) {
2105 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
2106 "attributes!");
2107 return NL_SKIP;
2108 }
2109
2110 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2111 return NL_SKIP;
2112
2113 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2114 sig_change->frequency)
2115 return NL_SKIP;
2116
2117 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2118 return NL_SKIP;
2119
2120 sig_change->current_noise =
2121 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2122
2123 return NL_SKIP;
2124}
2125
2126
2127static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1c5c7273 2128 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 2129{
2130 struct nl_msg *msg;
2131
2132 sig_change->current_noise = 9999;
2133 sig_change->frequency = drv->assoc_freq;
2134
2135 msg = nlmsg_alloc();
2136 if (!msg)
2137 return -ENOMEM;
2138
9fb04070 2139 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3
PS		 2140
2141 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2142
2143 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
2144 nla_put_failure:
5883168a 2145 nlmsg_free(msg);
7ee35bf3
PS		 2146 return -ENOBUFS;
2147}
2148
2149
577db0ae
GM		 2150static int get_noise_for_scan_results(struct nl_msg *msg, void *arg)
2151{
2152 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2153 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2154 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2155 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2156 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2157 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2158 };
2159 struct wpa_scan_results *scan_results = arg;
2160 struct wpa_scan_res *scan_res;
2161 size_t i;
2162
2163 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2164 genlmsg_attrlen(gnlh, 0), NULL);
2165
2166 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2167 wpa_printf(MSG_DEBUG, "nl80211: Survey data missing");
2168 return NL_SKIP;
2169 }
2170
2171 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2172 tb[NL80211_ATTR_SURVEY_INFO],
2173 survey_policy)) {
2174 wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested "
2175 "attributes");
2176 return NL_SKIP;
2177 }
2178
2179 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2180 return NL_SKIP;
2181
2182 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2183 return NL_SKIP;
2184
2185 for (i = 0; i < scan_results->num; ++i) {
2186 scan_res = scan_results->res[i];
2187 if (!scan_res)
2188 continue;
2189 if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2190 scan_res->freq)
2191 continue;
2192 if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID))
2193 continue;
2194 scan_res->noise = (s8)
2195 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2196 scan_res->flags &= ~WPA_SCAN_NOISE_INVALID;
2197 }
2198
2199 return NL_SKIP;
2200}
2201
2202
2203static int nl80211_get_noise_for_scan_results(
2204 struct wpa_driver_nl80211_data *drv,
2205 struct wpa_scan_results *scan_res)
2206{
2207 struct nl_msg *msg;
2208
2209 msg = nlmsg_alloc();
2210 if (!msg)
2211 return -ENOMEM;
2212
2213 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
2214
2215 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2216
2217 return send_and_recv_msgs(drv, msg, get_noise_for_scan_results,
2218 scan_res);
2219 nla_put_failure:
9e088e74 2220 nlmsg_free(msg);
577db0ae
GM		 2221 return -ENOBUFS;
2222}
2223
2224
93910401
JM		 2225static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
2226 struct nlattr *tb[])
2227{
2228 static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
2229 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
2230 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
2231 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
0d7e5a3a 2232 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
93910401
JM		 2233 };
2234 struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
2235 enum nl80211_cqm_rssi_threshold_event event;
b625473c 2236 union wpa_event_data ed;
1c5c7273 2237 struct wpa_signal_info sig;
7ee35bf3 2238 int res;
93910401
JM		 2239
2240 if (tb[NL80211_ATTR_CQM] == NULL ||
2241 nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
2242 cqm_policy)) {
2243 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
2244 return;
2245 }
2246
0d7e5a3a
JB		 2247 os_memset(&ed, 0, sizeof(ed));
2248
2249 if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
2250 if (!tb[NL80211_ATTR_MAC])
2251 return;
2252 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
2253 ETH_ALEN);
2254 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
2255 return;
2256 }
2257
93910401
JM		 2258 if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
2259 return;
2260 event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
b625473c 2261
93910401
JM		 2262 if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
2263 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2264 "event: RSSI high");
b625473c 2265 ed.signal_change.above_threshold = 1;
93910401
JM		 2266 } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
2267 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2268 "event: RSSI low");
b625473c
JM		 2269 ed.signal_change.above_threshold = 0;
2270 } else
2271 return;
2272
60a972a6
JM		 2273 res = nl80211_get_link_signal(drv, &sig);
2274 if (res == 0) {
7ee35bf3
PS		 2275 ed.signal_change.current_signal = sig.current_signal;
2276 ed.signal_change.current_txrate = sig.current_txrate;
2277 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d",
2278 sig.current_signal, sig.current_txrate);
2279 }
2280
2281 res = nl80211_get_link_noise(drv, &sig);
2282 if (res == 0) {
2283 ed.signal_change.current_noise = sig.current_noise;
2284 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
2285 sig.current_noise);
60a972a6
JM		 2286 }
2287
b625473c 2288 wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
93910401
JM		 2289}
2290
2291
18d2ba08
JM		 2292static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
2293 struct nlattr **tb)
2294{
2295 u8 *addr;
2296 union wpa_event_data data;
2297
2298 if (tb[NL80211_ATTR_MAC] == NULL)
2299 return;
2300 addr = nla_data(tb[NL80211_ATTR_MAC]);
2301 wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
5f310a9e 2302
61cbe2ff 2303 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2304 u8 *ies = NULL;
2305 size_t ies_len = 0;
2306 if (tb[NL80211_ATTR_IE]) {
2307 ies = nla_data(tb[NL80211_ATTR_IE]);
2308 ies_len = nla_len(tb[NL80211_ATTR_IE]);
2309 }
2310 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
2311 drv_event_assoc(drv->ctx, addr, ies, ies_len, 0);
2312 return;
2313 }
2314
18d2ba08
JM		 2315 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2316 return;
2317
2318 os_memset(&data, 0, sizeof(data));
2319 os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
2320 wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data);
2321}
2322
2323
ef985058
JM		 2324static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
2325 struct nlattr **tb)
2326{
2327 u8 *addr;
2328 union wpa_event_data data;
2329
2330 if (tb[NL80211_ATTR_MAC] == NULL)
2331 return;
2332 addr = nla_data(tb[NL80211_ATTR_MAC]);
2333 wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
2334 MAC2STR(addr));
5f310a9e 2335
61cbe2ff 2336 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2337 drv_event_disassoc(drv->ctx, addr);
2338 return;
2339 }
2340
ef985058
JM		 2341 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2342 return;
2343
2344 os_memset(&data, 0, sizeof(data));
2345 os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
2346 wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
2347}
2348
2349
b14a210c
JB		 2350static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
2351 struct nlattr **tb)
2352{
2353 struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
2354 static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
2355 [NL80211_REKEY_DATA_KEK] = {
2356 .minlen = NL80211_KEK_LEN,
2357 .maxlen = NL80211_KEK_LEN,
2358 },
2359 [NL80211_REKEY_DATA_KCK] = {
2360 .minlen = NL80211_KCK_LEN,
2361 .maxlen = NL80211_KCK_LEN,
2362 },
2363 [NL80211_REKEY_DATA_REPLAY_CTR] = {
2364 .minlen = NL80211_REPLAY_CTR_LEN,
2365 .maxlen = NL80211_REPLAY_CTR_LEN,
2366 },
2367 };
2368 union wpa_event_data data;
2369
2370 if (!tb[NL80211_ATTR_MAC])
2371 return;
2372 if (!tb[NL80211_ATTR_REKEY_DATA])
2373 return;
2374 if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
2375 tb[NL80211_ATTR_REKEY_DATA], rekey_policy))
2376 return;
2377 if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
2378 return;
2379
2380 os_memset(&data, 0, sizeof(data));
2381 data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
2382 wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
2383 MAC2STR(data.driver_gtk_rekey.bssid));
2384 data.driver_gtk_rekey.replay_ctr =
2385 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
2386 wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
2387 data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
2388 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
2389}
2390
2391
c36d5242
JM		 2392static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
2393 struct nlattr **tb)
2394{
2395 struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
2396 static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
2397 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
2398 [NL80211_PMKSA_CANDIDATE_BSSID] = {
2399 .minlen = ETH_ALEN,
2400 .maxlen = ETH_ALEN,
2401 },
2402 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
2403 };
2404 union wpa_event_data data;
2405
7d81932d
JM		 2406 wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
2407
c36d5242
JM		 2408 if (!tb[NL80211_ATTR_PMKSA_CANDIDATE])
2409 return;
2410 if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
2411 tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy))
2412 return;
2413 if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
2414 !cand[NL80211_PMKSA_CANDIDATE_BSSID])
2415 return;
2416
2417 os_memset(&data, 0, sizeof(data));
2418 os_memcpy(data.pmkid_candidate.bssid,
2419 nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
2420 data.pmkid_candidate.index =
2421 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
2422 data.pmkid_candidate.preauth =
2423 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
2424 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
2425}
2426
2427
39718852
JB		 2428static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
2429 struct nlattr **tb)
2430{
2431 union wpa_event_data data;
2432
7d81932d
JM		 2433 wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
2434
39718852
JB		 2435 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
2436 return;
2437
2438 os_memset(&data, 0, sizeof(data));
2439 os_memcpy(data.client_poll.addr,
2440 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2441
2442 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
2443}
2444
2445
6201b052
JM		 2446static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
2447 struct nlattr **tb)
2448{
2449 union wpa_event_data data;
2450
2451 wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
2452
2453 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
2454 return;
2455
2456 os_memset(&data, 0, sizeof(data));
2457 os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2458 switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
2459 case NL80211_TDLS_SETUP:
2460 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
2461 MACSTR, MAC2STR(data.tdls.peer));
2462 data.tdls.oper = TDLS_REQUEST_SETUP;
2463 break;
2464 case NL80211_TDLS_TEARDOWN:
2465 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
2466 MACSTR, MAC2STR(data.tdls.peer));
2467 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
2468 break;
2469 default:
2470 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
2471 "event");
2472 return;
2473 }
2474 if (tb[NL80211_ATTR_REASON_CODE]) {
2475 data.tdls.reason_code =
2476 nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
2477 }
2478
2479 wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
2480}
2481
2482
7239ea7f
ST		 2483static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
2484 struct nlattr **tb)
2485{
2486 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
2487}
2488
2489
3140803b
RM		 2490static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
2491 struct nlattr **tb)
2492{
2493 union wpa_event_data data;
2494 u32 reason;
2495
2496 wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
2497
2498 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
2499 return;
2500
2501 os_memset(&data, 0, sizeof(data));
2502 os_memcpy(data.connect_failed_reason.addr,
2503 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2504
2505 reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
2506 switch (reason) {
2507 case NL80211_CONN_FAIL_MAX_CLIENTS:
2508 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
2509 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
2510 break;
2511 case NL80211_CONN_FAIL_BLOCKED_CLIENT:
2512 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
2513 " tried to connect",
2514 MAC2STR(data.connect_failed_reason.addr));
2515 data.connect_failed_reason.code = BLOCKED_CLIENT;
2516 break;
2517 default:
2518 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
2519 "%u", reason);
2520 return;
2521 }
2522
2523 wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
2524}
2525
2526
846de15d
JD		 2527static enum chan_width convert2width(int width);
2528
04be54fa
SW		 2529static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
2530 struct nlattr **tb)
2531{
2532 union wpa_event_data data;
2533 enum nl80211_radar_event event_type;
2534
2535 if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
2536 return;
2537
2538 os_memset(&data, 0, sizeof(data));
cd3b0700
MK		 2539 data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
2540 event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
04be54fa 2541
846de15d
JD		 2542 /* Check HT params */
2543 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2544 data.dfs_event.ht_enabled = 1;
2545 data.dfs_event.chan_offset = 0;
2546
2547 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
2548 case NL80211_CHAN_NO_HT:
2549 data.dfs_event.ht_enabled = 0;
2550 break;
2551 case NL80211_CHAN_HT20:
2552 break;
2553 case NL80211_CHAN_HT40PLUS:
2554 data.dfs_event.chan_offset = 1;
2555 break;
2556 case NL80211_CHAN_HT40MINUS:
2557 data.dfs_event.chan_offset = -1;
2558 break;
2559 }
2560 }
2561
2562 /* Get VHT params */
884f1a3c
JM		 2563 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
2564 data.dfs_event.chan_width =
2565 convert2width(nla_get_u32(
2566 tb[NL80211_ATTR_CHANNEL_WIDTH]));
2567 if (tb[NL80211_ATTR_CENTER_FREQ1])
2568 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
846de15d
JD		 2569 if (tb[NL80211_ATTR_CENTER_FREQ2])
2570 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
2571
2572 wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
2573 data.dfs_event.freq, data.dfs_event.ht_enabled,
2574 data.dfs_event.chan_offset, data.dfs_event.chan_width,
2575 data.dfs_event.cf1, data.dfs_event.cf2);
04be54fa
SW		 2576
2577 switch (event_type) {
2578 case NL80211_RADAR_DETECTED:
2579 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
2580 break;
2581 case NL80211_RADAR_CAC_FINISHED:
2582 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
2583 break;
2584 case NL80211_RADAR_CAC_ABORTED:
2585 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
2586 break;
2587 case NL80211_RADAR_NOP_FINISHED:
2588 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
2589 break;
2590 default:
2591 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
2592 "received", event_type);
2593 break;
2594 }
2595}
2596
2597
3088e4e5
JB		 2598static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
2599 int wds)
02bb32c3
JB		 2600{
2601 struct wpa_driver_nl80211_data *drv = bss->drv;
2602 union wpa_event_data event;
02bb32c3
JB		 2603
2604 if (!tb[NL80211_ATTR_MAC])
2605 return;
2606
02bb32c3 2607 os_memset(&event, 0, sizeof(event));
341eebee 2608 event.rx_from_unknown.bssid = bss->addr;
02bb32c3 2609 event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
3088e4e5 2610 event.rx_from_unknown.wds = wds;
02bb32c3
JB		 2611
2612 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
2613}
2614
2615
a5e1eb20
SE		 2616static void do_process_drv_event(struct i802_bss *bss, int cmd,
2617 struct nlattr **tb)
97865538 2618{
a5e1eb20 2619 struct wpa_driver_nl80211_data *drv = bss->drv;
795baf77 2620 union wpa_event_data data;
a5e1eb20 2621
2090a0b4
DS		 2622 wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
2623 cmd, nl80211_command_to_string(cmd), bss->ifname);
2624
b1f625e0 2625 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
d6c9aab8
JB		 2626 (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
2627 cmd == NL80211_CMD_SCAN_ABORTED)) {
834ee56f 2628 wpa_driver_nl80211_set_mode(drv->first_bss,
b1f625e0
EP		 2629 drv->ap_scan_as_station);
2630 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6
JM		 2631 }
2632
d6c9aab8 2633 switch (cmd) {
d942a79e 2634 case NL80211_CMD_TRIGGER_SCAN:
565110cd 2635 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
a771c07d 2636 drv->scan_state = SCAN_STARTED;
d942a79e 2637 break;
d21c63b9 2638 case NL80211_CMD_START_SCHED_SCAN:
565110cd 2639 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
a771c07d 2640 drv->scan_state = SCHED_SCAN_STARTED;
d21c63b9
LC		 2641 break;
2642 case NL80211_CMD_SCHED_SCAN_STOPPED:
565110cd 2643 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
a771c07d 2644 drv->scan_state = SCHED_SCAN_STOPPED;
d21c63b9
LC		 2645 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2646 break;
97865538 2647 case NL80211_CMD_NEW_SCAN_RESULTS:
565110cd
JM		 2648 wpa_dbg(drv->ctx, MSG_DEBUG,
2649 "nl80211: New scan results available");
a771c07d 2650 drv->scan_state = SCAN_COMPLETED;
97865538
JM		 2651 drv->scan_complete_events = 1;
2652 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2653 drv->ctx);
8d923a4a 2654 send_scan_event(drv, 0, tb);
97865538 2655 break;
d21c63b9 2656 case NL80211_CMD_SCHED_SCAN_RESULTS:
565110cd
JM		 2657 wpa_dbg(drv->ctx, MSG_DEBUG,
2658 "nl80211: New sched scan results available");
a771c07d 2659 drv->scan_state = SCHED_SCAN_RESULTS;
d21c63b9
LC		 2660 send_scan_event(drv, 0, tb);
2661 break;
97865538 2662 case NL80211_CMD_SCAN_ABORTED:
565110cd 2663 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
a771c07d 2664 drv->scan_state = SCAN_ABORTED;
97865538
JM		 2665 /*
2666 * Need to indicate that scan results are available in order
2667 * not to make wpa_supplicant stop its scanning.
2668 */
2669 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2670 drv->ctx);
8d923a4a 2671 send_scan_event(drv, 1, tb);
97865538 2672 break;
c2a04078
JM		 2673 case NL80211_CMD_AUTHENTICATE:
2674 case NL80211_CMD_ASSOCIATE:
2675 case NL80211_CMD_DEAUTHENTICATE:
2676 case NL80211_CMD_DISASSOCIATE:
bd94971e 2677 case NL80211_CMD_FRAME_TX_STATUS:
7d878ca7
JM		 2678 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2679 case NL80211_CMD_UNPROT_DISASSOCIATE:
97279d8d 2680 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
58f6fbe0
JM		 2681 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2682 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 2683 tb[NL80211_ATTR_COOKIE],
2684 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
c2a04078 2685 break;
da72a1c1
ZY		 2686 case NL80211_CMD_CONNECT:
2687 case NL80211_CMD_ROAM:
d6c9aab8 2688 mlme_event_connect(drv, cmd,
da72a1c1
ZY		 2689 tb[NL80211_ATTR_STATUS_CODE],
2690 tb[NL80211_ATTR_MAC],
2691 tb[NL80211_ATTR_REQ_IE],
2692 tb[NL80211_ATTR_RESP_IE]);
2693 break;
1b487b8b
TP		 2694 case NL80211_CMD_CH_SWITCH_NOTIFY:
2695 mlme_event_ch_switch(drv, tb[NL80211_ATTR_WIPHY_FREQ],
2696 tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2697 break;
da72a1c1 2698 case NL80211_CMD_DISCONNECT:
20f5a4c2 2699 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
3d9975d5
JM		 2700 tb[NL80211_ATTR_MAC],
2701 tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
da72a1c1 2702 break;
35583f3f 2703 case NL80211_CMD_MICHAEL_MIC_FAILURE:
a5e1eb20 2704 mlme_event_michael_mic_failure(bss, tb);
35583f3f 2705 break;
5cc4d64b
JM		 2706 case NL80211_CMD_JOIN_IBSS:
2707 mlme_event_join_ibss(drv, tb);
2708 break;
55777702
JM		 2709 case NL80211_CMD_REMAIN_ON_CHANNEL:
2710 mlme_event_remain_on_channel(drv, 0, tb);
2711 break;
2712 case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
2713 mlme_event_remain_on_channel(drv, 1, tb);
2714 break;
93910401
JM		 2715 case NL80211_CMD_NOTIFY_CQM:
2716 nl80211_cqm_event(drv, tb);
2717 break;
33c5deb8
JM		 2718 case NL80211_CMD_REG_CHANGE:
2719 wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
795baf77
AS		 2720 if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
2721 break;
2722 os_memset(&data, 0, sizeof(data));
2723 switch (nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR])) {
2724 case NL80211_REGDOM_SET_BY_CORE:
2725 data.channel_list_changed.initiator =
2726 REGDOM_SET_BY_CORE;
2727 break;
2728 case NL80211_REGDOM_SET_BY_USER:
2729 data.channel_list_changed.initiator =
2730 REGDOM_SET_BY_USER;
2731 break;
2732 case NL80211_REGDOM_SET_BY_DRIVER:
2733 data.channel_list_changed.initiator =
2734 REGDOM_SET_BY_DRIVER;
2735 break;
2736 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
2737 data.channel_list_changed.initiator =
2738 REGDOM_SET_BY_COUNTRY_IE;
2739 break;
2740 default:
2741 wpa_printf(MSG_DEBUG, "nl80211: Unknown reg change initiator %d received",
2742 nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]));
2743 break;
2744 }
33c5deb8 2745 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
795baf77 2746 &data);
33c5deb8
JM		 2747 break;
2748 case NL80211_CMD_REG_BEACON_HINT:
2749 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
2750 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
2751 NULL);
2752 break;
18d2ba08
JM		 2753 case NL80211_CMD_NEW_STATION:
2754 nl80211_new_station_event(drv, tb);
2755 break;
ef985058
JM		 2756 case NL80211_CMD_DEL_STATION:
2757 nl80211_del_station_event(drv, tb);
2758 break;
b14a210c
JB		 2759 case NL80211_CMD_SET_REKEY_OFFLOAD:
2760 nl80211_rekey_offload_event(drv, tb);
2761 break;
c36d5242
JM		 2762 case NL80211_CMD_PMKSA_CANDIDATE:
2763 nl80211_pmksa_candidate_event(drv, tb);
2764 break;
39718852
JB		 2765 case NL80211_CMD_PROBE_CLIENT:
2766 nl80211_client_probe_event(drv, tb);
2767 break;
6201b052
JM		 2768 case NL80211_CMD_TDLS_OPER:
2769 nl80211_tdls_oper_event(drv, tb);
2770 break;
3140803b
RM		 2771 case NL80211_CMD_CONN_FAILED:
2772 nl80211_connect_failed_event(drv, tb);
2773 break;
6a1ce395
DG		 2774 case NL80211_CMD_FT_EVENT:
2775 mlme_event_ft_event(drv, tb);
2776 break;
04be54fa
SW		 2777 case NL80211_CMD_RADAR_DETECT:
2778 nl80211_radar_event(drv, tb);
2779 break;
7239ea7f
ST		 2780 case NL80211_CMD_STOP_AP:
2781 nl80211_stop_ap(drv, tb);
2782 break;
97865538 2783 default:
565110cd
JM		 2784 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
2785 "(cmd=%d)", cmd);
97865538
JM		 2786 break;
2787 }
d6c9aab8
JB		 2788}
2789
2790
2791static int process_drv_event(struct nl_msg *msg, void *arg)
2792{
2793 struct wpa_driver_nl80211_data *drv = arg;
2794 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2795 struct nlattr *tb[NL80211_ATTR_MAX + 1];
a5e1eb20
SE		 2796 struct i802_bss *bss;
2797 int ifidx = -1;
d6c9aab8
JB		 2798
2799 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2800 genlmsg_attrlen(gnlh, 0), NULL);
2801
d3aaef80 2802 if (tb[NL80211_ATTR_IFINDEX]) {
a5e1eb20
SE		 2803 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2804
834ee56f 2805 for (bss = drv->first_bss; bss; bss = bss->next)
d3aaef80
DS		 2806 if (ifidx == -1 || ifidx == bss->ifindex) {
2807 do_process_drv_event(bss, gnlh->cmd, tb);
2808 return NL_SKIP;
2809 }
2810 wpa_printf(MSG_DEBUG,
2811 "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d)",
2812 gnlh->cmd, ifidx);
2813 } else if (tb[NL80211_ATTR_WDEV]) {
2814 u64 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2815 wpa_printf(MSG_DEBUG, "nl80211: Process event on P2P device");
834ee56f 2816 for (bss = drv->first_bss; bss; bss = bss->next) {
d3aaef80
DS		 2817 if (bss->wdev_id_set && wdev_id == bss->wdev_id) {
2818 do_process_drv_event(bss, gnlh->cmd, tb);
2819 return NL_SKIP;
2820 }
d6c9aab8 2821 }
d3aaef80
DS		 2822 wpa_printf(MSG_DEBUG,
2823 "nl80211: Ignored event (cmd=%d) for foreign interface (wdev 0x%llx)",
2824 gnlh->cmd, (long long unsigned int) wdev_id);
d6c9aab8
JB		 2825 }
2826
d6c9aab8
JB		 2827 return NL_SKIP;
2828}
2829
2830
2831static int process_global_event(struct nl_msg *msg, void *arg)
2832{
2833 struct nl80211_global *global = arg;
2834 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2835 struct nlattr *tb[NL80211_ATTR_MAX + 1];
24b5bd8b 2836 struct wpa_driver_nl80211_data *drv, *tmp;
d6c9aab8 2837 int ifidx = -1;
a5e1eb20 2838 struct i802_bss *bss;
54d4ba42 2839 u64 wdev_id = 0;
d3aaef80 2840 int wdev_id_set = 0;
d6c9aab8
JB		 2841
2842 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2843 genlmsg_attrlen(gnlh, 0), NULL);
2844
2845 if (tb[NL80211_ATTR_IFINDEX])
2846 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
d3aaef80
DS		 2847 else if (tb[NL80211_ATTR_WDEV]) {
2848 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2849 wdev_id_set = 1;
2850 }
d6c9aab8 2851
24b5bd8b
JB		 2852 dl_list_for_each_safe(drv, tmp, &global->interfaces,
2853 struct wpa_driver_nl80211_data, list) {
834ee56f 2854 for (bss = drv->first_bss; bss; bss = bss->next) {
d3aaef80
DS		 2855 if ((ifidx == -1 && !wdev_id_set) ||
2856 ifidx == bss->ifindex ||
2857 (wdev_id_set && bss->wdev_id_set &&
2858 wdev_id == bss->wdev_id)) {
a5e1eb20
SE		 2859 do_process_drv_event(bss, gnlh->cmd, tb);
2860 return NL_SKIP;
2861 }
2862 }
d6c9aab8 2863 }
97865538
JM		 2864
2865 return NL_SKIP;
2866}
2867
2868
cc7a48d1
JB		 2869static int process_bss_event(struct nl_msg *msg, void *arg)
2870{
a11241fa 2871 struct i802_bss *bss = arg;
cc7a48d1
JB		 2872 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2873 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2874
2875 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2876 genlmsg_attrlen(gnlh, 0), NULL);
2877
2090a0b4
DS		 2878 wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
2879 gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
2880 bss->ifname);
2881
cc7a48d1 2882 switch (gnlh->cmd) {
a11241fa
JB		 2883 case NL80211_CMD_FRAME:
2884 case NL80211_CMD_FRAME_TX_STATUS:
97279d8d 2885 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
a11241fa
JB		 2886 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2887 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 2888 tb[NL80211_ATTR_COOKIE],
2889 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
a11241fa 2890 break;
02bb32c3 2891 case NL80211_CMD_UNEXPECTED_FRAME:
3088e4e5
JB		 2892 nl80211_spurious_frame(bss, tb, 0);
2893 break;
2894 case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
2895 nl80211_spurious_frame(bss, tb, 1);
02bb32c3 2896 break;
cc7a48d1
JB		 2897 default:
2898 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
2899 "(cmd=%d)", gnlh->cmd);
2900 break;
2901 }
2902
2903 return NL_SKIP;
2904}
2905
2906
97865538 2907static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 2908 void *handle)
97865538 2909{
a4ae123c 2910 struct nl_cb *cb = eloop_ctx;
34068ac3 2911 int res;
97865538 2912
cc2ada86 2913 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 2914
34068ac3
JM		 2915 res = nl_recvmsgs(handle, cb);
2916 if (res) {
2917 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
2918 __func__, res);
2919 }
97865538
JM		 2920}
2921
2922
6d158490
LR		 2923/**
2924 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
2925 * @priv: driver_nl80211 private data
2926 * @alpha2_arg: country to which to switch to
2927 * Returns: 0 on success, -1 on failure
2928 *
2929 * This asks nl80211 to set the regulatory domain for given
2930 * country ISO / IEC alpha2.
2931 */
2932static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
2933{
a2e40bb6
FF		 2934 struct i802_bss *bss = priv;
2935 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 2936 char alpha2[3];
2937 struct nl_msg *msg;
2938
2939 msg = nlmsg_alloc();
2940 if (!msg)
e785c2ba 2941 return -ENOMEM;
6d158490
LR		 2942
2943 alpha2[0] = alpha2_arg[0];
2944 alpha2[1] = alpha2_arg[1];
2945 alpha2[2] = '\0';
2946
9fb04070 2947 nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG);
6d158490
LR		 2948
2949 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2);
2950 if (send_and_recv_msgs(drv, msg, NULL, NULL))
2951 return -EINVAL;
2952 return 0;
2953nla_put_failure:
5883168a 2954 nlmsg_free(msg);
6d158490
LR		 2955 return -EINVAL;
2956}
2957
2958
f0793bf1
JM		 2959static int nl80211_get_country(struct nl_msg *msg, void *arg)
2960{
2961 char *alpha2 = arg;
2962 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2963 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2964
2965 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2966 genlmsg_attrlen(gnlh, 0), NULL);
2967 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
2968 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
2969 return NL_SKIP;
2970 }
2971 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
2972 return NL_SKIP;
2973}
2974
2975
2976static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
2977{
2978 struct i802_bss *bss = priv;
2979 struct wpa_driver_nl80211_data *drv = bss->drv;
2980 struct nl_msg *msg;
2981 int ret;
2982
2983 msg = nlmsg_alloc();
2984 if (!msg)
2985 return -ENOMEM;
2986
2987 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
2988 alpha2[0] = '\0';
2989 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
2990 if (!alpha2[0])
2991 ret = -1;
2992
2993 return ret;
2994}
2995
2996
43245552
DJ		 2997static int protocol_feature_handler(struct nl_msg *msg, void *arg)
2998{
2999 u32 *feat = arg;
3000 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
3001 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3002
3003 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3004 genlmsg_attrlen(gnlh, 0), NULL);
3005
3006 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
3007 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
3008
3009 return NL_SKIP;
3010}
3011
3012
3013static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
3014{
3015 u32 feat = 0;
3016 struct nl_msg *msg;
3017
3018 msg = nlmsg_alloc();
3019 if (!msg)
3020 goto nla_put_failure;
3021
3022 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES);
3023 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
3024 return feat;
3025
3026 msg = NULL;
3027nla_put_failure:
3028 nlmsg_free(msg);
3029 return 0;
3030}
3031
3032
80bc75f1 3033struct wiphy_info_data {
8cd6b7bc 3034 struct wpa_driver_nl80211_data *drv;
e8b5e24e
JB		 3035 struct wpa_driver_capa *capa;
3036
4752147d
IP		 3037 unsigned int num_multichan_concurrent;
3038
e8b5e24e 3039 unsigned int error:1;
61cbe2ff 3040 unsigned int device_ap_sme:1;
39718852 3041 unsigned int poll_command_supported:1;
32ab4855 3042 unsigned int data_tx_status:1;
536062f2 3043 unsigned int monitor_supported:1;
43245552
DJ		 3044 unsigned int auth_supported:1;
3045 unsigned int connect_supported:1;
3046 unsigned int p2p_go_supported:1;
3047 unsigned int p2p_client_supported:1;
3048 unsigned int p2p_concurrent:1;
1c4ffa87 3049 unsigned int channel_switch_supported:1;
80bc75f1
JM		 3050};
3051
3052
562c9d97
AN		 3053static unsigned int probe_resp_offload_support(int supp_protocols)
3054{
3055 unsigned int prot = 0;
3056
3057 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
3058 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
3059 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
3060 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
3061 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
3062 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
3063 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
3064 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
3065
3066 return prot;
3067}
3068
3069
5f439107
JM		 3070static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
3071 struct nlattr *tb)
80bc75f1 3072{
5f439107
JM		 3073 struct nlattr *nl_mode;
3074 int i;
3075
3076 if (tb == NULL)
3077 return;
3078
3079 nla_for_each_nested(nl_mode, tb, i) {
3080 switch (nla_type(nl_mode)) {
3081 case NL80211_IFTYPE_AP:
3082 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
3083 break;
65d52fc1
BR		 3084 case NL80211_IFTYPE_ADHOC:
3085 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
3086 break;
7aad838c
NS		 3087 case NL80211_IFTYPE_P2P_DEVICE:
3088 info->capa->flags |=
3089 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
3090 break;
5f439107
JM		 3091 case NL80211_IFTYPE_P2P_GO:
3092 info->p2p_go_supported = 1;
3093 break;
3094 case NL80211_IFTYPE_P2P_CLIENT:
3095 info->p2p_client_supported = 1;
3096 break;
3097 case NL80211_IFTYPE_MONITOR:
3098 info->monitor_supported = 1;
3099 break;
3100 }
3101 }
3102}
3103
3104
3105static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
3106 struct nlattr *nl_combi)
3107{
3108 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
3109 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
3110 struct nlattr *nl_limit, *nl_mode;
3111 int err, rem_limit, rem_mode;
3112 int combination_has_p2p = 0, combination_has_mgd = 0;
7626850d
JB		 3113 static struct nla_policy
3114 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
3115 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
3116 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
3117 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
3118 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
f295d0c8 3119 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
7626850d
JB		 3120 },
3121 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
3122 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
3123 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
3124 };
80bc75f1 3125
5f439107
JM		 3126 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
3127 nl_combi, iface_combination_policy);
3128 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
3129 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
3130 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
3131 return 0; /* broken combination */
3132
f295d0c8
SW		 3133 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
3134 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
3135
5f439107
JM		 3136 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
3137 rem_limit) {
3138 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
3139 nl_limit, iface_limit_policy);
3140 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
3141 return 0; /* broken combination */
3142
3143 nla_for_each_nested(nl_mode,
3144 tb_limit[NL80211_IFACE_LIMIT_TYPES],
3145 rem_mode) {
3146 int ift = nla_type(nl_mode);
3147 if (ift == NL80211_IFTYPE_P2P_GO ||
3148 ift == NL80211_IFTYPE_P2P_CLIENT)
3149 combination_has_p2p = 1;
3150 if (ift == NL80211_IFTYPE_STATION)
3151 combination_has_mgd = 1;
3152 }
3153 if (combination_has_p2p && combination_has_mgd)
3154 break;
3155 }
3156
3157 if (combination_has_p2p && combination_has_mgd) {
3158 info->p2p_concurrent = 1;
4752147d
IP		 3159 info->num_multichan_concurrent =
3160 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
5f439107
JM		 3161 return 1;
3162 }
3163
3164 return 0;
3165}
3166
3167
3168static void wiphy_info_iface_comb(struct wiphy_info_data *info,
3169 struct nlattr *tb)
3170{
3171 struct nlattr *nl_combi;
3172 int rem_combi;
3173
3174 if (tb == NULL)
3175 return;
3176
3177 nla_for_each_nested(nl_combi, tb, rem_combi) {
3178 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
3179 break;
3180 }
3181}
3182
3183
3184static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
3185 struct nlattr *tb)
3186{
3187 struct nlattr *nl_cmd;
3188 int i;
3189
3190 if (tb == NULL)
3191 return;
3192
3193 nla_for_each_nested(nl_cmd, tb, i) {
3194 switch (nla_get_u32(nl_cmd)) {
3195 case NL80211_CMD_AUTHENTICATE:
3196 info->auth_supported = 1;
3197 break;
3198 case NL80211_CMD_CONNECT:
3199 info->connect_supported = 1;
3200 break;
3201 case NL80211_CMD_START_SCHED_SCAN:
3202 info->capa->sched_scan_supported = 1;
3203 break;
3204 case NL80211_CMD_PROBE_CLIENT:
3205 info->poll_command_supported = 1;
3206 break;
1c4ffa87
AO		 3207 case NL80211_CMD_CHANNEL_SWITCH:
3208 info->channel_switch_supported = 1;
3209 break;
5f439107
JM		 3210 }
3211 }
3212}
3213
3214
3215static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
3216 struct nlattr *tb)
3217{
5f439107
JM		 3218 if (tb)
3219 capa->max_remain_on_chan = nla_get_u32(tb);
3220}
3221
3222
3223static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
3224 struct nlattr *ext_setup)
3225{
3226 if (tdls == NULL)
3227 return;
3228
3229 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
3230 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
3231
3232 if (ext_setup) {
3233 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
3234 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
3235 }
3236}
3237
3238
3239static void wiphy_info_feature_flags(struct wiphy_info_data *info,
3240 struct nlattr *tb)
3241{
3242 u32 flags;
3243 struct wpa_driver_capa *capa = info->capa;
3244
3245 if (tb == NULL)
3246 return;
3247
3248 flags = nla_get_u32(tb);
3249
3250 if (flags & NL80211_FEATURE_SK_TX_STATUS)
3251 info->data_tx_status = 1;
3252
3253 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
3254 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
3255
3256 if (flags & NL80211_FEATURE_SAE)
3257 capa->flags |= WPA_DRIVER_FLAGS_SAE;
3258
3259 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
3260 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
3261}
3262
3263
3264static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
3265 struct nlattr *tb)
3266{
3267 u32 protocols;
3268
3269 if (tb == NULL)
3270 return;
3271
3272 protocols = nla_get_u32(tb);
3273 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
3274 "mode");
3275 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
3276 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
3277}
3278
3279
3280static int wiphy_info_handler(struct nl_msg *msg, void *arg)
3281{
3282 struct nlattr *tb[NL80211_ATTR_MAX + 1];
3283 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3284 struct wiphy_info_data *info = arg;
3285 struct wpa_driver_capa *capa = info->capa;
8cd6b7bc 3286 struct wpa_driver_nl80211_data *drv = info->drv;
5f439107 3287
80bc75f1
JM		 3288 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3289 genlmsg_attrlen(gnlh, 0), NULL);
3290
5fbcb45d 3291 if (tb[NL80211_ATTR_WIPHY_NAME])
24f051eb 3292 os_strlcpy(drv->phyname,
5fbcb45d
AS		 3293 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
3294 sizeof(drv->phyname));
80bc75f1 3295 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
e8b5e24e 3296 capa->max_scan_ssids =
80bc75f1
JM		 3297 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
3298
d21c63b9 3299 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
e8b5e24e 3300 capa->max_sched_scan_ssids =
d21c63b9
LC		 3301 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
3302
bd525934 3303 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
e8b5e24e 3304 capa->max_match_sets =
bd525934
LC		 3305 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
3306
3c4ca363
VN		 3307 if (tb[NL80211_ATTR_MAC_ACL_MAX])
3308 capa->max_acl_mac_addrs =
3309 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
3310
5f439107
JM		 3311 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
3312 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
3313 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
93d11400 3314
e8b5e24e
JB		 3315 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
3316 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
3317 "off-channel TX");
3318 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
3319 }
3320
3321 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
3322 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
3323 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
3324 }
5dfca53f 3325
5f439107
JM		 3326 wiphy_info_max_roc(capa,
3327 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
004ba773 3328
70619a5d
EP		 3329 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
3330 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
3331
5f439107
JM		 3332 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
3333 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
03ea1786 3334
61cbe2ff
JB		 3335 if (tb[NL80211_ATTR_DEVICE_AP_SME])
3336 info->device_ap_sme = 1;
3337
5f439107
JM		 3338 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
3339 wiphy_info_probe_resp_offload(capa,
3340 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
562c9d97 3341
8cd6b7bc
JB		 3342 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
3343 drv->extended_capa == NULL) {
3344 drv->extended_capa =
3345 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3346 if (drv->extended_capa) {
3347 os_memcpy(drv->extended_capa,
3348 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3349 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3350 drv->extended_capa_len =
3351 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
3352 }
3353 drv->extended_capa_mask =
3354 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3355 if (drv->extended_capa_mask) {
3356 os_memcpy(drv->extended_capa_mask,
3357 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3358 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3359 } else {
3360 os_free(drv->extended_capa);
3361 drv->extended_capa = NULL;
3362 drv->extended_capa_len = 0;
3363 }
3364 }
3365
80bc75f1
JM		 3366 return NL_SKIP;
3367}
3368
3369
3370static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
3371 struct wiphy_info_data *info)
3372{
43245552 3373 u32 feat;
80bc75f1
JM		 3374 struct nl_msg *msg;
3375
3376 os_memset(info, 0, sizeof(*info));
e8b5e24e 3377 info->capa = &drv->capa;
8cd6b7bc 3378 info->drv = drv;
89e07afb 3379
80bc75f1
JM		 3380 msg = nlmsg_alloc();
3381 if (!msg)
3382 return -1;
3383
43245552
DJ		 3384 feat = get_nl80211_protocol_features(drv);
3385 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
3386 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
3387 else
3388 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
80bc75f1 3389
43245552 3390 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
834ee56f 3391 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
f632e483 3392 goto nla_put_failure;
80bc75f1 3393
43245552
DJ		 3394 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
3395 return -1;
3396
3397 if (info->auth_supported)
3398 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
3399 else if (!info->connect_supported) {
3400 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
3401 "authentication/association or connect commands");
3402 info->error = 1;
3403 }
3404
3405 if (info->p2p_go_supported && info->p2p_client_supported)
3406 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
3407 if (info->p2p_concurrent) {
3408 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
3409 "interface (driver advertised support)");
3410 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
3411 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
3412 }
4752147d 3413 if (info->num_multichan_concurrent > 1) {
43245552
DJ		 3414 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
3415 "concurrent (driver advertised support)");
4752147d
IP		 3416 drv->capa.num_multichan_concurrent =
3417 info->num_multichan_concurrent;
43245552 3418 }
b691dcb1
IP		 3419
3420 /* default to 5000 since early versions of mac80211 don't set it */
3421 if (!drv->capa.max_remain_on_chan)
3422 drv->capa.max_remain_on_chan = 5000;
3423
43245552 3424 return 0;
80bc75f1
JM		 3425nla_put_failure:
3426 nlmsg_free(msg);
3427 return -1;
3428}
3429
3430
93d11400 3431static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
80bc75f1
JM		 3432{
3433 struct wiphy_info_data info;
3434 if (wpa_driver_nl80211_get_info(drv, &info))
93d11400 3435 return -1;
e8b5e24e
JB		 3436
3437 if (info.error)
3438 return -1;
3439
80bc75f1 3440 drv->has_capability = 1;
1b2a72e8
JM		 3441 /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
3442 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3443 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3444 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3445 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
3446 drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
3447 WPA_DRIVER_CAPA_ENC_WEP104 |
3448 WPA_DRIVER_CAPA_ENC_TKIP |
3449 WPA_DRIVER_CAPA_ENC_CCMP;
291b6068
JM		 3450 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
3451 WPA_DRIVER_AUTH_SHARED |
3452 WPA_DRIVER_AUTH_LEAP;
1b2a72e8 3453
871f4dd0 3454 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
0194fedb 3455 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
2fee890a 3456 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
e1bd4e19 3457
e5091674 3458 if (!info.device_ap_sme) {
e1bd4e19 3459 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
0194fedb 3460
e5091674
JM		 3461 /*
3462 * No AP SME is currently assumed to also indicate no AP MLME
3463 * in the driver/firmware.
3464 */
3465 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
3466 }
3467
61cbe2ff 3468 drv->device_ap_sme = info.device_ap_sme;
39718852 3469 drv->poll_command_supported = info.poll_command_supported;
32ab4855 3470 drv->data_tx_status = info.data_tx_status;
1c4ffa87 3471 drv->channel_switch_supported = info.channel_switch_supported;
61cbe2ff 3472
a11241fa 3473 /*
73a3c6ff
FF		 3474 * If poll command and tx status are supported, mac80211 is new enough
3475 * to have everything we need to not need monitor interfaces.
a11241fa 3476 */
73a3c6ff 3477 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
a11241fa 3478
536062f2
JM		 3479 if (drv->device_ap_sme && drv->use_monitor) {
3480 /*
3481 * Non-mac80211 drivers may not support monitor interface.
3482 * Make sure we do not get stuck with incorrect capability here
3483 * by explicitly testing this.
3484 */
3485 if (!info.monitor_supported) {
3486 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
3487 "with device_ap_sme since no monitor mode "
3488 "support detected");
3489 drv->use_monitor = 0;
3490 }
3491 }
3492
a11241fa
JB		 3493 /*
3494 * If we aren't going to use monitor interfaces, but the
3495 * driver doesn't support data TX status, we won't get TX
3496 * status for EAPOL frames.
3497 */
3498 if (!drv->use_monitor && !info.data_tx_status)
3499 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
3500
93d11400 3501 return 0;
80bc75f1
JM		 3502}
3503
3504
b088cf82
JM		 3505#ifdef ANDROID
3506static int android_genl_ctrl_resolve(struct nl_handle *handle,
3507 const char *name)
3508{
3509 /*
3510 * Android ICS has very minimal genl_ctrl_resolve() implementation, so
3511 * need to work around that.
3512 */
3513 struct nl_cache *cache = NULL;
3514 struct genl_family *nl80211 = NULL;
3515 int id = -1;
3516
3517 if (genl_ctrl_alloc_cache(handle, &cache) < 0) {
3518 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
3519 "netlink cache");
3520 goto fail;
3521 }
3522
3523 nl80211 = genl_ctrl_search_by_name(cache, name);
3524 if (nl80211 == NULL)
3525 goto fail;
3526
3527 id = genl_family_get_id(nl80211);
3528
3529fail:
3530 if (nl80211)
3531 genl_family_put(nl80211);
3532 if (cache)
3533 nl_cache_free(cache);
3534
3535 return id;
3536}
3537#define genl_ctrl_resolve android_genl_ctrl_resolve
3538#endif /* ANDROID */
3539
3540
2a7b66f5
BG		 3541static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
3542{
d6c9aab8
JB		 3543 int ret;
3544
2a7b66f5
BG		 3545 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3546 if (global->nl_cb == NULL) {
3547 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
3548 "callbacks");
3549 return -1;
3550 }
3551
481234cf
JM		 3552 global->nl = nl_create_handle(global->nl_cb, "nl");
3553 if (global->nl == NULL)
d6c9aab8 3554 goto err;
276e2d67 3555
481234cf 3556 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 3557 if (global->nl80211_id < 0) {
276e2d67
BG		 3558 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
3559 "found");
d6c9aab8 3560 goto err;
276e2d67
BG		 3561 }
3562
481234cf
JM		 3563 global->nl_event = nl_create_handle(global->nl_cb, "event");
3564 if (global->nl_event == NULL)
d6c9aab8 3565 goto err;
9fff9fdc 3566
d6c9aab8 3567 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 3568 if (ret >= 0)
481234cf 3569 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 3570 if (ret < 0) {
3571 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
3572 "membership for scan events: %d (%s)",
3573 ret, strerror(-ret));
d6c9aab8 3574 goto err;
97865538 3575 }
c2a04078 3576
d6c9aab8 3577 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 3578 if (ret >= 0)
481234cf 3579 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 3580 if (ret < 0) {
3581 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
3582 "membership for mlme events: %d (%s)",
3583 ret, strerror(-ret));
d6c9aab8 3584 goto err;
c2a04078 3585 }
c2a04078 3586
d6c9aab8 3587 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 3588 if (ret >= 0)
481234cf 3589 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 3590 if (ret < 0) {
3591 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
3592 "membership for regulatory events: %d (%s)",
3593 ret, strerror(-ret));
3594 /* Continue without regulatory events */
3595 }
3596
d6c9aab8
JB		 3597 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3598 no_seq_check, NULL);
3599 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3600 process_global_event, global);
3601
5f65e9f7
JB		 3602 nl80211_register_eloop_read(&global->nl_event,
3603 wpa_driver_nl80211_event_receive,
3604 global->nl_cb);
d6c9aab8
JB		 3605
3606 return 0;
3607
3608err:
3609 nl_destroy_handles(&global->nl_event);
3610 nl_destroy_handles(&global->nl);
3611 nl_cb_put(global->nl_cb);
671a5039 3612 global->nl_cb = NULL;
d6c9aab8
JB		 3613 return -1;
3614}
3615
3616
3617static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
3618{
1afc986d
JB		 3619 drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3620 if (!drv->nl_cb) {
3621 wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct");
d6c9aab8 3622 return -1;
1afc986d
JB		 3623 }
3624
3625 nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3626 no_seq_check, NULL);
f06aedd9
JB		 3627 nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3628 process_drv_event, drv);
1afc986d 3629
9fff9fdc 3630 return 0;
9fff9fdc
JM		 3631}
3632
3633
8401a6b0
JM		 3634static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
3635{
8401a6b0 3636 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
a63063b4
JM		 3637 /*
3638 * This may be for any interface; use ifdown event to disable
3639 * interface.
3640 */
8401a6b0
JM		 3641}
3642
3643
3644static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
3645{
3646 struct wpa_driver_nl80211_data *drv = ctx;
3647 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 3648 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 3649 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
3650 "after rfkill unblock");
3651 return;
3652 }
a63063b4 3653 /* rtnetlink ifup handler will report interface as enabled */
8401a6b0
JM		 3654}
3655
3656
32ab4855
JB		 3657static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
3658 void *eloop_ctx,
3659 void *handle)
3660{
3661 struct wpa_driver_nl80211_data *drv = eloop_ctx;
3662 u8 data[2048];
3663 struct msghdr msg;
3664 struct iovec entry;
cad0f50e 3665 u8 control[512];
32ab4855
JB		 3666 struct cmsghdr *cmsg;
3667 int res, found_ee = 0, found_wifi = 0, acked = 0;
3668 union wpa_event_data event;
3669
3670 memset(&msg, 0, sizeof(msg));
3671 msg.msg_iov = &entry;
3672 msg.msg_iovlen = 1;
3673 entry.iov_base = data;
3674 entry.iov_len = sizeof(data);
3675 msg.msg_control = &control;
3676 msg.msg_controllen = sizeof(control);
3677
3678 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
3679 /* if error or not fitting 802.3 header, return */
3680 if (res < 14)
3681 return;
3682
3683 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
3684 {
3685 if (cmsg->cmsg_level == SOL_SOCKET &&
3686 cmsg->cmsg_type == SCM_WIFI_STATUS) {
3687 int *ack;
3688
3689 found_wifi = 1;
3690 ack = (void *)CMSG_DATA(cmsg);
3691 acked = *ack;
3692 }
3693
3694 if (cmsg->cmsg_level == SOL_PACKET &&
3695 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
3696 struct sock_extended_err *err =
3697 (struct sock_extended_err *)CMSG_DATA(cmsg);
3698
3699 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
3700 found_ee = 1;
3701 }
3702 }
3703
3704 if (!found_ee || !found_wifi)
3705 return;
3706
3707 memset(&event, 0, sizeof(event));
3708 event.eapol_tx_status.dst = data;
3709 event.eapol_tx_status.data = data + 14;
3710 event.eapol_tx_status.data_len = res - 14;
3711 event.eapol_tx_status.ack = acked;
3712 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
3713}
3714
3715
cc7a48d1
JB		 3716static int nl80211_init_bss(struct i802_bss *bss)
3717{
3718 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3719 if (!bss->nl_cb)
3720 return -1;
3721
3722 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3723 no_seq_check, NULL);
3724 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3725 process_bss_event, bss);
3726
3727 return 0;
3728}
3729
3730
3731static void nl80211_destroy_bss(struct i802_bss *bss)
3732{
3733 nl_cb_put(bss->nl_cb);
3734 bss->nl_cb = NULL;
3735}
3736
3737
0d547d5f
JM		 3738static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
3739 void *global_priv, int hostapd,
3740 const u8 *set_addr)
9fff9fdc 3741{
9fff9fdc 3742 struct wpa_driver_nl80211_data *drv;
8401a6b0 3743 struct rfkill_config *rcfg;
a2e40bb6 3744 struct i802_bss *bss;
9fff9fdc 3745
a5c696ad
JM		 3746 if (global_priv == NULL)
3747 return NULL;
9fff9fdc
JM		 3748 drv = os_zalloc(sizeof(*drv));
3749 if (drv == NULL)
3750 return NULL;
f2ed8023 3751 drv->global = global_priv;
9fff9fdc 3752 drv->ctx = ctx;
0d547d5f
JM		 3753 drv->hostapd = !!hostapd;
3754 drv->eapol_sock = -1;
3755 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
3756 drv->if_indices = drv->default_if_indices;
834ee56f
KP		 3757
3758 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
3759 if (!drv->first_bss) {
3760 os_free(drv);
3761 return NULL;
3762 }
3763 bss = drv->first_bss;
a2e40bb6 3764 bss->drv = drv;
a5e1eb20
SE		 3765 bss->ctx = ctx;
3766
a2e40bb6 3767 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 3768 drv->monitor_ifidx = -1;
3769 drv->monitor_sock = -1;
d12dab4c 3770 drv->eapol_tx_sock = -1;
b1f625e0 3771 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 3772
ba2d0d7d 3773 if (wpa_driver_nl80211_init_nl(drv)) {
bbaf0837
JM		 3774 os_free(drv);
3775 return NULL;
3776 }
9fff9fdc 3777
cc7a48d1
JB		 3778 if (nl80211_init_bss(bss))
3779 goto failed;
3780
8401a6b0
JM		 3781 rcfg = os_zalloc(sizeof(*rcfg));
3782 if (rcfg == NULL)
3783 goto failed;
3784 rcfg->ctx = drv;
3785 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
3786 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
3787 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
3788 drv->rfkill = rfkill_init(rcfg);
52169389 3789 if (drv->rfkill == NULL) {
8401a6b0 3790 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
52169389
JM		 3791 os_free(rcfg);
3792 }
8401a6b0 3793
146fa9b3
JM		 3794 if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0)
3795 drv->start_iface_up = 1;
3796
49b4b205 3797 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1))
bbaf0837 3798 goto failed;
7524cfb1 3799
d12dab4c 3800 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 3801 if (drv->eapol_tx_sock < 0)
3802 goto failed;
3803
3804 if (drv->data_tx_status) {
3805 int enabled = 1;
3806
3807 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
3808 &enabled, sizeof(enabled)) < 0) {
3809 wpa_printf(MSG_DEBUG,
3810 "nl80211: wifi status sockopt failed\n");
3811 drv->data_tx_status = 0;
a11241fa
JB		 3812 if (!drv->use_monitor)
3813 drv->capa.flags &=
3814 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 3815 } else {
3816 eloop_register_read_sock(drv->eapol_tx_sock,
3817 wpa_driver_nl80211_handle_eapol_tx_status,
3818 drv, NULL);
3819 }
3820 }
f10bfc9a 3821
dac12351 3822 if (drv->global) {
c4bb8817 3823 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 3824 drv->in_interface_list = 1;
3825 }
c4bb8817 3826
a2e40bb6 3827 return bss;
7524cfb1 3828
bbaf0837 3829failed:
dac12351 3830 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 3831 return NULL;
3832}
3833
3834
0d547d5f
JM		 3835/**
3836 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
3837 * @ctx: context to be used when calling wpa_supplicant functions,
3838 * e.g., wpa_supplicant_event()
3839 * @ifname: interface name, e.g., wlan0
3840 * @global_priv: private driver global data from global_init()
3841 * Returns: Pointer to private data, %NULL on failure
3842 */
3843static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
3844 void *global_priv)
3845{
3846 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL);
3847}
3848
3849
a11241fa 3850static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 3851 struct nl_handle *nl_handle,
bd94971e 3852 u16 type, const u8 *match, size_t match_len)
58f6fbe0 3853{
a11241fa 3854 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0
JM		 3855 struct nl_msg *msg;
3856 int ret = -1;
3857
3858 msg = nlmsg_alloc();
3859 if (!msg)
3860 return -1;
3861
36488c05
JM		 3862 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x nl_handle=%p",
3863 type, nl_handle);
3864 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
3865 match, match_len);
3866
9fb04070 3867 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_ACTION);
58f6fbe0 3868
f632e483 3869 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 3870 goto nla_put_failure;
3871
bd94971e 3872 NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type);
58f6fbe0
JM		 3873 NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match);
3874
d6c9aab8 3875 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0
JM		 3876 msg = NULL;
3877 if (ret) {
5582a5d1
JB		 3878 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
3879 "failed (type=%u): ret=%d (%s)",
3880 type, ret, strerror(-ret));
3881 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0
JM		 3882 match, match_len);
3883 goto nla_put_failure;
3884 }
3885 ret = 0;
3886nla_put_failure:
3887 nlmsg_free(msg);
3888 return ret;
3889}
3890
3891
a11241fa
JB		 3892static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
3893{
3894 struct wpa_driver_nl80211_data *drv = bss->drv;
3895
481234cf 3896 if (bss->nl_mgmt) {
a11241fa 3897 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 3898 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 3899 return -1;
3900 }
3901
481234cf
JM		 3902 bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
3903 if (bss->nl_mgmt == NULL)
a11241fa
JB		 3904 return -1;
3905
a11241fa
JB		 3906 return 0;
3907}
3908
3909
5f65e9f7
JB		 3910static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
3911{
3912 nl80211_register_eloop_read(&bss->nl_mgmt,
3913 wpa_driver_nl80211_event_receive,
3914 bss->nl_cb);
3915}
3916
3917
a11241fa 3918static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 3919 const u8 *match, size_t match_len)
3920{
3921 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 3922 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 3923 type, match, match_len);
bd94971e
JB		 3924}
3925
3926
a11241fa 3927static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 3928{
a11241fa
JB		 3929 struct wpa_driver_nl80211_data *drv = bss->drv;
3930
3931 if (nl80211_alloc_mgmt_handle(bss))
3932 return -1;
36488c05
JM		 3933 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
3934 "handle %p", bss->nl_mgmt);
a11241fa 3935
e8d1168b
JB		 3936 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3937 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
3938
3939 /* register for any AUTH message */
3940 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
3941 }
3942
56f5af48
JM		 3943#ifdef CONFIG_INTERWORKING
3944 /* QoS Map Configure */
3945 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
3946 return -1;
3947#endif /* CONFIG_INTERWORKING */
4fe9fa0d 3948#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 3949 /* GAS Initial Request */
a11241fa 3950 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
046b26a2
JM		 3951 return -1;
3952 /* GAS Initial Response */
a11241fa 3953 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
046b26a2 3954 return -1;
18708aad 3955 /* GAS Comeback Request */
a11241fa 3956 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
18708aad
JM		 3957 return -1;
3958 /* GAS Comeback Response */
a11241fa 3959 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
18708aad 3960 return -1;
4fe9fa0d
JM		 3961#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
3962#ifdef CONFIG_P2P
046b26a2 3963 /* P2P Public Action */
a11241fa 3964 if (nl80211_register_action_frame(bss,
046b26a2
JM		 3965 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
3966 6) < 0)
3967 return -1;
3968 /* P2P Action */
a11241fa 3969 if (nl80211_register_action_frame(bss,
046b26a2
JM		 3970 (u8 *) "\x7f\x50\x6f\x9a\x09",
3971 5) < 0)
3972 return -1;
3973#endif /* CONFIG_P2P */
7d878ca7
JM		 3974#ifdef CONFIG_IEEE80211W
3975 /* SA Query Response */
a11241fa 3976 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
7d878ca7
JM		 3977 return -1;
3978#endif /* CONFIG_IEEE80211W */
35287637
AN		 3979#ifdef CONFIG_TDLS
3980 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
3981 /* TDLS Discovery Response */
aa543c0c 3982 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637
AN		 3983 0)
3984 return -1;
3985 }
3986#endif /* CONFIG_TDLS */
046b26a2 3987
7b90c16a 3988 /* FT Action frames */
a11241fa 3989 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
7b90c16a
JM		 3990 return -1;
3991 else
3992 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
3993 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
3994
71269b37 3995 /* WNM - BSS Transition Management Request */
a11241fa
JB		 3996 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
3997 return -1;
bd896433
JM		 3998 /* WNM-Sleep Mode Response */
3999 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
4000 return -1;
a11241fa 4001
5f65e9f7
JB		 4002 nl80211_mgmt_handle_register_eloop(bss);
4003
a11241fa
JB		 4004 return 0;
4005}
4006
4007
02bb32c3
JB		 4008static int nl80211_register_spurious_class3(struct i802_bss *bss)
4009{
4010 struct wpa_driver_nl80211_data *drv = bss->drv;
4011 struct nl_msg *msg;
4012 int ret = -1;
4013
4014 msg = nlmsg_alloc();
4015 if (!msg)
4016 return -1;
4017
4018 nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME);
4019
4020 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
4021
481234cf 4022 ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 4023 msg = NULL;
4024 if (ret) {
4025 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
4026 "failed: ret=%d (%s)",
4027 ret, strerror(-ret));
4028 goto nla_put_failure;
4029 }
4030 ret = 0;
4031nla_put_failure:
4032 nlmsg_free(msg);
4033 return ret;
4034}
4035
4036
a11241fa
JB		 4037static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
4038{
4039 static const int stypes[] = {
4040 WLAN_FC_STYPE_AUTH,
4041 WLAN_FC_STYPE_ASSOC_REQ,
4042 WLAN_FC_STYPE_REASSOC_REQ,
4043 WLAN_FC_STYPE_DISASSOC,
4044 WLAN_FC_STYPE_DEAUTH,
4045 WLAN_FC_STYPE_ACTION,
4046 WLAN_FC_STYPE_PROBE_REQ,
4047/* Beacon doesn't work as mac80211 doesn't currently allow
4048 * it, but it wouldn't really be the right thing anyway as
4049 * it isn't per interface ... maybe just dump the scan
4050 * results periodically for OLBC?
4051 */
4052// WLAN_FC_STYPE_BEACON,
4053 };
4054 unsigned int i;
4055
4056 if (nl80211_alloc_mgmt_handle(bss))
71269b37 4057 return -1;
36488c05
JM		 4058 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
4059 "handle %p", bss->nl_mgmt);
71269b37 4060
e7ecab4a 4061 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 4062 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 4063 (WLAN_FC_TYPE_MGMT << 2) |
4064 (stypes[i] << 4),
4065 NULL, 0) < 0) {
4066 goto out_err;
4067 }
4068 }
4069
02bb32c3
JB		 4070 if (nl80211_register_spurious_class3(bss))
4071 goto out_err;
4072
e32ad281
JB		 4073 if (nl80211_get_wiphy_data_ap(bss) == NULL)
4074 goto out_err;
4075
5f65e9f7 4076 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 4077 return 0;
a11241fa
JB		 4078
4079out_err:
a11241fa
JB		 4080 nl_destroy_handles(&bss->nl_mgmt);
4081 return -1;
4082}
4083
4084
a6cc0602
JM		 4085static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
4086{
4087 if (nl80211_alloc_mgmt_handle(bss))
4088 return -1;
4089 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
4090 "handle %p (device SME)", bss->nl_mgmt);
4091
4092 if (nl80211_register_frame(bss, bss->nl_mgmt,
4093 (WLAN_FC_TYPE_MGMT << 2) |
4094 (WLAN_FC_STYPE_ACTION << 4),
4095 NULL, 0) < 0)
4096 goto out_err;
4097
5f65e9f7 4098 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 4099 return 0;
4100
4101out_err:
a6cc0602
JM		 4102 nl_destroy_handles(&bss->nl_mgmt);
4103 return -1;
4104}
4105
4106
36488c05 4107static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 4108{
481234cf 4109 if (bss->nl_mgmt == NULL)
a11241fa 4110 return;
36488c05
JM		 4111 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
4112 "(%s)", bss->nl_mgmt, reason);
5f65e9f7 4113 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
e32ad281
JB		 4114
4115 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 4116}
4117
4118
8401a6b0
JM		 4119static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
4120{
4121 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
4122}
4123
4124
eb4582f2
AS		 4125static void nl80211_del_p2pdev(struct i802_bss *bss)
4126{
4127 struct wpa_driver_nl80211_data *drv = bss->drv;
4128 struct nl_msg *msg;
4129 int ret;
4130
4131 msg = nlmsg_alloc();
4132 if (!msg)
4133 return;
4134
4135 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
4136 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
4137
4138 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4139 msg = NULL;
4140
4141 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
4142 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 4143 strerror(-ret));
eb4582f2
AS		 4144
4145nla_put_failure:
4146 nlmsg_free(msg);
4147}
4148
4149
eb4582f2 4150static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483
AS		 4151{
4152 struct wpa_driver_nl80211_data *drv = bss->drv;
4153 struct nl_msg *msg;
4154 int ret = -1;
4155
f632e483
AS		 4156 msg = nlmsg_alloc();
4157 if (!msg)
4158 return -1;
4159
eb4582f2
AS		 4160 if (start)
4161 nl80211_cmd(drv, msg, 0, NL80211_CMD_START_P2P_DEVICE);
4162 else
4163 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_P2P_DEVICE);
4164
f632e483
AS		 4165 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
4166
4167 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4168 msg = NULL;
4169
eb4582f2
AS		 4170 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
4171 start ? "Start" : "Stop",
4172 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 4173 strerror(-ret));
eb4582f2 4174
f632e483
AS		 4175nla_put_failure:
4176 nlmsg_free(msg);
4177 return ret;
4178}
f632e483
AS		 4179
4180
91724d6f
AS		 4181static int i802_set_iface_flags(struct i802_bss *bss, int up)
4182{
4183 enum nl80211_iftype nlmode;
4184
4185 nlmode = nl80211_get_ifmode(bss);
4186 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
4187 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
4188 bss->ifname, up);
4189 }
4190
4191 /* P2P Device has start/stop which is equivalent */
4192 return nl80211_set_p2pdev(bss, up);
4193}
4194
4195
362f781e 4196static int
0d547d5f 4197wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
49b4b205 4198 const u8 *set_addr, int first)
7524cfb1 4199{
834ee56f 4200 struct i802_bss *bss = drv->first_bss;
8401a6b0 4201 int send_rfkill_event = 0;
0d547d5f 4202 enum nl80211_iftype nlmode;
a2e40bb6
FF		 4203
4204 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 4205 bss->ifindex = drv->ifindex;
4206 bss->wdev_id = drv->global->if_add_wdevid;
4207 bss->wdev_id_set = drv->global->if_add_wdevid_set;
4208
60b13c20
IP		 4209 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
4210 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 4211 drv->global->if_add_wdevid_set = 0;
4212
4213 if (wpa_driver_nl80211_capa(drv))
4214 return -1;
a87c9d96 4215
5fbcb45d
AS		 4216 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
4217 bss->ifname, drv->phyname);
4218
0d547d5f
JM		 4219 if (set_addr &&
4220 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
4221 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
4222 set_addr)))
4223 return -1;
4224
49b4b205
JM		 4225 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
4226 drv->start_mode_ap = 1;
4227
0d547d5f
JM		 4228 if (drv->hostapd)
4229 nlmode = NL80211_IFTYPE_AP;
4230 else if (bss->if_dynamic)
8e12685c 4231 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 4232 else
4233 nlmode = NL80211_IFTYPE_STATION;
f632e483 4234
8e12685c 4235 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 4236 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 4237 return -1;
a87c9d96
JM		 4238 }
4239
f632e483 4240 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
eb4582f2 4241 int ret = nl80211_set_p2pdev(bss, 1);
f632e483
AS		 4242 if (ret < 0)
4243 wpa_printf(MSG_ERROR, "nl80211: Could not start P2P device");
597b94f5 4244 nl80211_get_macaddr(bss);
f632e483
AS		 4245 return ret;
4246 }
4247
c81eff1a 4248 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) {
8401a6b0
JM		 4249 if (rfkill_is_blocked(drv->rfkill)) {
4250 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
4251 "interface '%s' due to rfkill",
4252 bss->ifname);
a63063b4 4253 drv->if_disabled = 1;
8401a6b0
JM		 4254 send_rfkill_event = 1;
4255 } else {
4256 wpa_printf(MSG_ERROR, "nl80211: Could not set "
4257 "interface '%s' UP", bss->ifname);
4258 return -1;
4259 }
362f781e 4260 }
3f5285e8 4261
0d547d5f
JM		 4262 if (!drv->hostapd)
4263 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
4264 1, IF_OPER_DORMANT);
362f781e 4265
c81eff1a 4266 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
341eebee 4267 bss->addr))
2136f480 4268 return -1;
f2ed8023 4269
8401a6b0
JM		 4270 if (send_rfkill_event) {
4271 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
4272 drv, drv->ctx);
4273 }
4274
362f781e 4275 return 0;
3f5285e8
JM		 4276}
4277
4278
8a27af5c
JM		 4279static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
4280{
4281 struct nl_msg *msg;
4282
4283 msg = nlmsg_alloc();
4284 if (!msg)
4285 return -ENOMEM;
4286
08e55ebb
JM		 4287 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
4288 drv->ifindex);
9fb04070 4289 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_BEACON);
8a27af5c
JM		 4290 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4291
4292 return send_and_recv_msgs(drv, msg, NULL, NULL);
4293 nla_put_failure:
5883168a 4294 nlmsg_free(msg);
8a27af5c
JM		 4295 return -ENOBUFS;
4296}
8a27af5c
JM		 4297
4298
3f5285e8 4299/**
7e5ba1b9 4300 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 4301 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 4302 *
4303 * Shut down driver interface and processing of driver events. Free
4304 * private data buffer if one was allocated in wpa_driver_nl80211_init().
4305 */
9ebce9c5 4306static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 4307{
a2e40bb6 4308 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 4309
873d0fcf 4310 bss->in_deinit = 1;
32ab4855
JB		 4311 if (drv->data_tx_status)
4312 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 4313 if (drv->eapol_tx_sock >= 0)
4314 close(drv->eapol_tx_sock);
f10bfc9a 4315
481234cf 4316 if (bss->nl_preq)
5582a5d1 4317 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 4318 if (bss->added_if_into_bridge) {
c81eff1a
BG		 4319 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
4320 bss->ifname) < 0)
94627f6c
JM		 4321 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4322 "interface %s from bridge %s: %s",
e17a2477 4323 bss->ifname, bss->brname, strerror(errno));
94627f6c 4324 }
e17a2477 4325 if (bss->added_bridge) {
c81eff1a 4326 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 4327 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4328 "bridge %s: %s",
e17a2477 4329 bss->brname, strerror(errno));
94627f6c
JM		 4330 }
4331
460456f8 4332 nl80211_remove_monitor_interface(drv);
8a27af5c 4333
b1f625e0 4334 if (is_ap_interface(drv->nlmode))
8a27af5c 4335 wpa_driver_nl80211_del_beacon(drv);
0915d02c 4336
bbaf0837
JM		 4337 if (drv->eapol_sock >= 0) {
4338 eloop_unregister_read_sock(drv->eapol_sock);
4339 close(drv->eapol_sock);
4340 }
4341
4342 if (drv->if_indices != drv->default_if_indices)
4343 os_free(drv->if_indices);
3f5285e8 4344
b3af99d2 4345 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 4346 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
4347
36d84860
BG		 4348 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
4349 IF_OPER_UP);
8401a6b0 4350 rfkill_deinit(drv->rfkill);
3f5285e8 4351
bbaf0837
JM		 4352 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
4353
146fa9b3
JM		 4354 if (!drv->start_iface_up)
4355 (void) i802_set_iface_flags(bss, 0);
8e12685c 4356 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 4357 if (!drv->hostapd || !drv->start_mode_ap)
4358 wpa_driver_nl80211_set_mode(bss,
4359 NL80211_IFTYPE_STATION);
b378c41f 4360 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 4361 } else {
4362 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 4363 nl80211_del_p2pdev(bss);
8e12685c 4364 }
1afc986d 4365 nl_cb_put(drv->nl_cb);
3f5285e8 4366
834ee56f 4367 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 4368
3812464c
JM		 4369 os_free(drv->filter_ssids);
4370
536fd62d
JM		 4371 os_free(drv->auth_ie);
4372
dac12351 4373 if (drv->in_interface_list)
f2ed8023
JM		 4374 dl_list_del(&drv->list);
4375
8cd6b7bc
JB		 4376 os_free(drv->extended_capa);
4377 os_free(drv->extended_capa_mask);
834ee56f 4378 os_free(drv->first_bss);
3f5285e8
JM		 4379 os_free(drv);
4380}
4381
4382
4383/**
4384 * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion
ad1e68e6 4385 * @eloop_ctx: Driver private data
3f5285e8
JM		 4386 * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init()
4387 *
4388 * This function can be used as registered timeout when starting a scan to
4389 * generate a scan completed event if the driver does not report this.
4390 */
4391static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx)
4392{
ad1e68e6 4393 struct wpa_driver_nl80211_data *drv = eloop_ctx;
b1f625e0 4394 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) {
834ee56f 4395 wpa_driver_nl80211_set_mode(drv->first_bss,
b1f625e0
EP		 4396 drv->ap_scan_as_station);
4397 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6 4398 }
3f5285e8
JM		 4399 wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
4400 wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
4401}
4402
4403
95ac3bf4
JM		 4404static struct nl_msg *
4405nl80211_scan_common(struct wpa_driver_nl80211_data *drv, u8 cmd,
d3aaef80 4406 struct wpa_driver_scan_params *params, u64 *wdev_id)
3f5285e8 4407{
95ac3bf4 4408 struct nl_msg *msg;
6a1063e0 4409 size_t i;
3f5285e8 4410
0e75527f 4411 msg = nlmsg_alloc();
f0494d0f 4412 if (!msg)
95ac3bf4 4413 return NULL;
3812464c 4414
95ac3bf4 4415 nl80211_cmd(drv, msg, 0, cmd);
0e75527f 4416
d3aaef80
DS		 4417 if (!wdev_id)
4418 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4419 else
4420 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, *wdev_id);
3f5285e8 4421
f0494d0f 4422 if (params->num_ssids) {
8970bae8
JB		 4423 struct nlattr *ssids;
4424
4425 ssids = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
f0494d0f 4426 if (ssids == NULL)
95ac3bf4 4427 goto fail;
f0494d0f
JM		 4428 for (i = 0; i < params->num_ssids; i++) {
4429 wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID",
4430 params->ssids[i].ssid,
4431 params->ssids[i].ssid_len);
8970bae8
JB		 4432 if (nla_put(msg, i + 1, params->ssids[i].ssid_len,
4433 params->ssids[i].ssid) < 0)
95ac3bf4 4434 goto fail;
f0494d0f 4435 }
8970bae8 4436 nla_nest_end(msg, ssids);
3f5285e8
JM		 4437 }
4438
d173df52 4439 if (params->extra_ies) {
3b1c7bfd
JM		 4440 wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs",
4441 params->extra_ies, params->extra_ies_len);
95ac3bf4
JM		 4442 if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len,
4443 params->extra_ies) < 0)
4444 goto fail;
d173df52
JM		 4445 }
4446
d3a98225 4447 if (params->freqs) {
8970bae8
JB		 4448 struct nlattr *freqs;
4449 freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
f0494d0f 4450 if (freqs == NULL)
95ac3bf4 4451 goto fail;
9fad706c
JM		 4452 for (i = 0; params->freqs[i]; i++) {
4453 wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u "
4454 "MHz", params->freqs[i]);
8970bae8 4455 if (nla_put_u32(msg, i + 1, params->freqs[i]) < 0)
95ac3bf4 4456 goto fail;
9fad706c 4457 }
8970bae8 4458 nla_nest_end(msg, freqs);
d3a98225
JM		 4459 }
4460
95ac3bf4
JM		 4461 os_free(drv->filter_ssids);
4462 drv->filter_ssids = params->filter_ssids;
4463 params->filter_ssids = NULL;
4464 drv->num_filter_ssids = params->num_filter_ssids;
4465
4466 return msg;
4467
4468fail:
d3aaef80 4469nla_put_failure:
95ac3bf4
JM		 4470 nlmsg_free(msg);
4471 return NULL;
4472}
4473
4474
4475/**
4476 * wpa_driver_nl80211_scan - Request the driver to initiate scan
9ebce9c5 4477 * @bss: Pointer to private driver data from wpa_driver_nl80211_init()
95ac3bf4
JM		 4478 * @params: Scan parameters
4479 * Returns: 0 on success, -1 on failure
4480 */
9ebce9c5 4481static int wpa_driver_nl80211_scan(struct i802_bss *bss,
95ac3bf4
JM		 4482 struct wpa_driver_scan_params *params)
4483{
95ac3bf4
JM		 4484 struct wpa_driver_nl80211_data *drv = bss->drv;
4485 int ret = -1, timeout;
8970bae8 4486 struct nl_msg *msg = NULL;
95ac3bf4 4487
565110cd 4488 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: scan request");
95ac3bf4
JM		 4489 drv->scan_for_auth = 0;
4490
d3aaef80
DS		 4491 msg = nl80211_scan_common(drv, NL80211_CMD_TRIGGER_SCAN, params,
4492 bss->wdev_id_set ? &bss->wdev_id : NULL);
95ac3bf4
JM		 4493 if (!msg)
4494 return -1;
4495
47185fc7 4496 if (params->p2p_probe) {
8970bae8
JB		 4497 struct nlattr *rates;
4498
8a6a1e1b
JM		 4499 wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates");
4500
8970bae8 4501 rates = nla_nest_start(msg, NL80211_ATTR_SCAN_SUPP_RATES);
f0494d0f
JM		 4502 if (rates == NULL)
4503 goto nla_put_failure;
4504
47185fc7
RM		 4505 /*
4506 * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates
4507 * by masking out everything else apart from the OFDM rates 6,
4508 * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz
4509 * rates are left enabled.
4510 */
8970bae8 4511 NLA_PUT(msg, NL80211_BAND_2GHZ, 8,
47185fc7 4512 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
8970bae8 4513 nla_nest_end(msg, rates);
970fa12e
RM		 4514
4515 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
47185fc7
RM		 4516 }
4517
0e75527f
JM		 4518 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4519 msg = NULL;
4520 if (ret) {
4521 wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d "
4522 "(%s)", ret, strerror(-ret));
04eff7d5 4523 if (drv->hostapd && is_ap_interface(drv->nlmode)) {
ad1e68e6
JM		 4524 /*
4525 * mac80211 does not allow scan requests in AP mode, so
4526 * try to do this in station mode.
4527 */
b1f625e0
EP		 4528 if (wpa_driver_nl80211_set_mode(
4529 bss, NL80211_IFTYPE_STATION))
ad1e68e6
JM		 4530 goto nla_put_failure;
4531
085b29f1 4532 if (wpa_driver_nl80211_scan(bss, params)) {
b1f625e0 4533 wpa_driver_nl80211_set_mode(bss, drv->nlmode);
ad1e68e6
JM		 4534 goto nla_put_failure;
4535 }
4536
4537 /* Restore AP mode when processing scan results */
b1f625e0 4538 drv->ap_scan_as_station = drv->nlmode;
ad1e68e6
JM		 4539 ret = 0;
4540 } else
4541 goto nla_put_failure;
3f5285e8
JM		 4542 }
4543
a771c07d 4544 drv->scan_state = SCAN_REQUESTED;
3f5285e8
JM		 4545 /* Not all drivers generate "scan completed" wireless event, so try to
4546 * read results after a timeout. */
0e75527f 4547 timeout = 10;
3f5285e8
JM		 4548 if (drv->scan_complete_events) {
4549 /*
d173df52
JM		 4550 * The driver seems to deliver events to notify when scan is
4551 * complete, so use longer timeout to avoid race conditions
4552 * with scanning and following association request.
3f5285e8
JM		 4553 */
4554 timeout = 30;
4555 }
4556 wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d "
4557 "seconds", ret, timeout);
4558 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
0e75527f
JM		 4559 eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout,
4560 drv, drv->ctx);
3f5285e8 4561
0e75527f 4562nla_put_failure:
0e75527f 4563 nlmsg_free(msg);
3f5285e8
JM		 4564 return ret;
4565}
4566
4567
d21c63b9
LC		 4568/**
4569 * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan
4570 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
4571 * @params: Scan parameters
4572 * @interval: Interval between scan cycles in milliseconds
4573 * Returns: 0 on success, -1 on failure or if not supported
4574 */
4575static int wpa_driver_nl80211_sched_scan(void *priv,
4576 struct wpa_driver_scan_params *params,
4577 u32 interval)
4578{
4579 struct i802_bss *bss = priv;
4580 struct wpa_driver_nl80211_data *drv = bss->drv;
6afbc3d6 4581 int ret = -1;
95ac3bf4 4582 struct nl_msg *msg;
d21c63b9
LC		 4583 size_t i;
4584
565110cd
JM		 4585 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: sched_scan request");
4586
216eede8
DS		 4587#ifdef ANDROID
4588 if (!drv->capa.sched_scan_supported)
4589 return android_pno_start(bss, params);
4590#endif /* ANDROID */
4591
d3aaef80
DS		 4592 msg = nl80211_scan_common(drv, NL80211_CMD_START_SCHED_SCAN, params,
4593 bss->wdev_id_set ? &bss->wdev_id : NULL);
6afbc3d6
JM		 4594 if (!msg)
4595 goto nla_put_failure;
d21c63b9 4596
d21c63b9
LC		 4597 NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval);
4598
bf8d6d24
TP		 4599 if ((drv->num_filter_ssids &&
4600 (int) drv->num_filter_ssids <= drv->capa.max_match_sets) ||
4601 params->filter_rssi) {
8970bae8
JB		 4602 struct nlattr *match_sets;
4603 match_sets = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH);
6afbc3d6
JM		 4604 if (match_sets == NULL)
4605 goto nla_put_failure;
bd525934
LC		 4606
4607 for (i = 0; i < drv->num_filter_ssids; i++) {
8970bae8 4608 struct nlattr *match_set_ssid;
bd525934
LC		 4609 wpa_hexdump_ascii(MSG_MSGDUMP,
4610 "nl80211: Sched scan filter SSID",
4611 drv->filter_ssids[i].ssid,
4612 drv->filter_ssids[i].ssid_len);
4613
8970bae8 4614 match_set_ssid = nla_nest_start(msg, i + 1);
6afbc3d6
JM		 4615 if (match_set_ssid == NULL)
4616 goto nla_put_failure;
8970bae8 4617 NLA_PUT(msg, NL80211_ATTR_SCHED_SCAN_MATCH_SSID,
bd525934
LC		 4618 drv->filter_ssids[i].ssid_len,
4619 drv->filter_ssids[i].ssid);
4620
adc96dc2 4621 nla_nest_end(msg, match_set_ssid);
bd525934
LC		 4622 }
4623
bf8d6d24 4624 if (params->filter_rssi) {
8970bae8
JB		 4625 struct nlattr *match_set_rssi;
4626 match_set_rssi = nla_nest_start(msg, 0);
6afbc3d6
JM		 4627 if (match_set_rssi == NULL)
4628 goto nla_put_failure;
8970bae8 4629 NLA_PUT_U32(msg, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI,
bf8d6d24
TP		 4630 params->filter_rssi);
4631 wpa_printf(MSG_MSGDUMP,
4632 "nl80211: Sched scan RSSI filter %d dBm",
4633 params->filter_rssi);
8970bae8 4634 nla_nest_end(msg, match_set_rssi);
bf8d6d24
TP		 4635 }
4636
8970bae8 4637 nla_nest_end(msg, match_sets);
bd525934
LC		 4638 }
4639
d21c63b9
LC		 4640 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4641
4642 /* TODO: if we get an error here, we should fall back to normal scan */
4643
4644 msg = NULL;
4645 if (ret) {
4646 wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: "
4647 "ret=%d (%s)", ret, strerror(-ret));
4648 goto nla_put_failure;
4649 }
4650
4651 wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d) - "
4652 "scan interval %d msec", ret, interval);
4653
4654nla_put_failure:
d21c63b9 4655 nlmsg_free(msg);
d21c63b9
LC		 4656 return ret;
4657}
4658
4659
4660/**
4661 * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan
4662 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
4663 * Returns: 0 on success, -1 on failure or if not supported
4664 */
4665static int wpa_driver_nl80211_stop_sched_scan(void *priv)
4666{
4667 struct i802_bss *bss = priv;
4668 struct wpa_driver_nl80211_data *drv = bss->drv;
4669 int ret = 0;
4670 struct nl_msg *msg;
4671
216eede8
DS		 4672#ifdef ANDROID
4673 if (!drv->capa.sched_scan_supported)
4674 return android_pno_stop(bss);
4675#endif /* ANDROID */
4676
d21c63b9
LC		 4677 msg = nlmsg_alloc();
4678 if (!msg)
4679 return -1;
4680
9fb04070 4681 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_SCHED_SCAN);
d21c63b9
LC		 4682
4683 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4684
4685 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4686 msg = NULL;
4687 if (ret) {
4688 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop failed: "
4689 "ret=%d (%s)", ret, strerror(-ret));
4690 goto nla_put_failure;
4691 }
4692
4693 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop sent (ret=%d)", ret);
4694
4695nla_put_failure:
4696 nlmsg_free(msg);
4697 return ret;
4698}
4699
4700
3812464c
JM		 4701static const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie)
4702{
4703 const u8 *end, *pos;
4704
4705 if (ies == NULL)
4706 return NULL;
4707
4708 pos = ies;
4709 end = ies + ies_len;
4710
4711 while (pos + 1 < end) {
4712 if (pos + 2 + pos[1] > end)
4713 break;
4714 if (pos[0] == ie)
4715 return pos;
4716 pos += 2 + pos[1];
4717 }
4718
4719 return NULL;
4720}
4721
4722
4723static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv,
4724 const u8 *ie, size_t ie_len)
4725{
4726 const u8 *ssid;
4727 size_t i;
4728
4729 if (drv->filter_ssids == NULL)
4730 return 0;
4731
4732 ssid = nl80211_get_ie(ie, ie_len, WLAN_EID_SSID);
4733 if (ssid == NULL)
4734 return 1;
4735
4736 for (i = 0; i < drv->num_filter_ssids; i++) {
4737 if (ssid[1] == drv->filter_ssids[i].ssid_len &&
4738 os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) ==
4739 0)
4740 return 0;
4741 }
4742
4743 return 1;
4744}
4745
4746
b3db1e1c 4747static int bss_info_handler(struct nl_msg *msg, void *arg)
3f5285e8 4748{
b3db1e1c
JM		 4749 struct nlattr *tb[NL80211_ATTR_MAX + 1];
4750 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
4751 struct nlattr *bss[NL80211_BSS_MAX + 1];
4752 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
4753 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
4754 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
4755 [NL80211_BSS_TSF] = { .type = NLA_U64 },
4756 [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 },
4757 [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 },
4758 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
4759 [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 },
4760 [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 },
e6b8efeb 4761 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
b3ad11bb 4762 [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 },
8c090654 4763 [NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC },
b3db1e1c 4764 };
3812464c
JM		 4765 struct nl80211_bss_info_arg *_arg = arg;
4766 struct wpa_scan_results *res = _arg->res;
3f5285e8
JM		 4767 struct wpa_scan_res **tmp;
4768 struct wpa_scan_res *r;
8c090654
JM		 4769 const u8 *ie, *beacon_ie;
4770 size_t ie_len, beacon_ie_len;
4771 u8 *pos;
46957a9b 4772 size_t i;
3f5285e8 4773
b3db1e1c
JM		 4774 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
4775 genlmsg_attrlen(gnlh, 0), NULL);
4776 if (!tb[NL80211_ATTR_BSS])
4777 return NL_SKIP;
4778 if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
4779 bss_policy))
4780 return NL_SKIP;
f5a8d422
JM		 4781 if (bss[NL80211_BSS_STATUS]) {
4782 enum nl80211_bss_status status;
4783 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
4784 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
4785 bss[NL80211_BSS_FREQUENCY]) {
4786 _arg->assoc_freq =
4787 nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
4788 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
4789 _arg->assoc_freq);
4790 }
20f5a4c2
JM		 4791 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
4792 bss[NL80211_BSS_BSSID]) {
4793 os_memcpy(_arg->assoc_bssid,
4794 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
4795 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
4796 MACSTR, MAC2STR(_arg->assoc_bssid));
4797 }
f5a8d422
JM		 4798 }
4799 if (!res)
4800 return NL_SKIP;
b3db1e1c
JM		 4801 if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
4802 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
4803 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
4804 } else {
4805 ie = NULL;
4806 ie_len = 0;
4807 }
8c090654
JM		 4808 if (bss[NL80211_BSS_BEACON_IES]) {
4809 beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]);
4810 beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]);
4811 } else {
4812 beacon_ie = NULL;
4813 beacon_ie_len = 0;
4814 }
3f5285e8 4815
3812464c
JM		 4816 if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie,
4817 ie ? ie_len : beacon_ie_len))
4818 return NL_SKIP;
4819
8c090654 4820 r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len);
3f5285e8 4821 if (r == NULL)
b3db1e1c
JM		 4822 return NL_SKIP;
4823 if (bss[NL80211_BSS_BSSID])
4824 os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]),
4825 ETH_ALEN);
4826 if (bss[NL80211_BSS_FREQUENCY])
4827 r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
4828 if (bss[NL80211_BSS_BEACON_INTERVAL])
4829 r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]);
4830 if (bss[NL80211_BSS_CAPABILITY])
4831 r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]);
7c2849d2
JM		 4832 r->flags |= WPA_SCAN_NOISE_INVALID;
4833 if (bss[NL80211_BSS_SIGNAL_MBM]) {
b3db1e1c 4834 r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]);
7c2849d2
JM		 4835 r->level /= 100; /* mBm to dBm */
4836 r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID;
4837 } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) {
4838 r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
98ac6763 4839 r->flags |= WPA_SCAN_QUAL_INVALID;
7c2849d2
JM		 4840 } else
4841 r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID;
b3db1e1c
JM		 4842 if (bss[NL80211_BSS_TSF])
4843 r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]);
b3ad11bb
JM		 4844 if (bss[NL80211_BSS_SEEN_MS_AGO])
4845 r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]);
b3db1e1c 4846 r->ie_len = ie_len;
8c090654
JM		 4847 pos = (u8 *) (r + 1);
4848 if (ie) {
4849 os_memcpy(pos, ie, ie_len);
4850 pos += ie_len;
4851 }
4852 r->beacon_ie_len = beacon_ie_len;
4853 if (beacon_ie)
4854 os_memcpy(pos, beacon_ie, beacon_ie_len);
3f5285e8 4855
e6b8efeb
JM		 4856 if (bss[NL80211_BSS_STATUS]) {
4857 enum nl80211_bss_status status;
4858 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
4859 switch (status) {
4860 case NL80211_BSS_STATUS_AUTHENTICATED:
4861 r->flags |= WPA_SCAN_AUTHENTICATED;
4862 break;
4863 case NL80211_BSS_STATUS_ASSOCIATED:
4864 r->flags |= WPA_SCAN_ASSOCIATED;
4865 break;
4866 default:
4867 break;
4868 }
4869 }
4870
46957a9b
JM		 4871 /*
4872 * cfg80211 maintains separate BSS table entries for APs if the same
4873 * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does
4874 * not use frequency as a separate key in the BSS table, so filter out
4875 * duplicated entries. Prefer associated BSS entry in such a case in
4876 * order to get the correct frequency into the BSS table.
4877 */
4878 for (i = 0; i < res->num; i++) {
4879 const u8 *s1, *s2;
4880 if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0)
4881 continue;
4882
4883 s1 = nl80211_get_ie((u8 *) (res->res[i] + 1),
4884 res->res[i]->ie_len, WLAN_EID_SSID);
4885 s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID);
4886 if (s1 == NULL || s2 == NULL || s1[1] != s2[1] ||
4887 os_memcmp(s1, s2, 2 + s1[1]) != 0)
4888 continue;
4889
4890 /* Same BSSID,SSID was already included in scan results */
4891 wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result "
4892 "for " MACSTR, MAC2STR(r->bssid));
4893
4894 if ((r->flags & WPA_SCAN_ASSOCIATED) &&
4895 !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) {
4896 os_free(res->res[i]);
4897 res->res[i] = r;
4898 } else
4899 os_free(r);
4900 return NL_SKIP;
4901 }
4902
067ffa26
JM		 4903 tmp = os_realloc_array(res->res, res->num + 1,
4904 sizeof(struct wpa_scan_res *));
3f5285e8
JM		 4905 if (tmp == NULL) {
4906 os_free(r);
b3db1e1c 4907 return NL_SKIP;
3f5285e8
JM		 4908 }
4909 tmp[res->num++] = r;
4910 res->res = tmp;
b3db1e1c
JM		 4911
4912 return NL_SKIP;
3f5285e8 4913}
b3db1e1c 4914
3f5285e8 4915
d72aad94
JM		 4916static void clear_state_mismatch(struct wpa_driver_nl80211_data *drv,
4917 const u8 *addr)
4918{
4919 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
4920 wpa_printf(MSG_DEBUG, "nl80211: Clear possible state "
582507be 4921 "mismatch (" MACSTR ")", MAC2STR(addr));
d72aad94
JM		 4922 wpa_driver_nl80211_mlme(drv, addr,
4923 NL80211_CMD_DEAUTHENTICATE,
77339912 4924 WLAN_REASON_PREV_AUTH_NOT_VALID, 1);
d72aad94
JM		 4925 }
4926}
4927
4928
e6b8efeb
JM		 4929static void wpa_driver_nl80211_check_bss_status(
4930 struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res)
4931{
4932 size_t i;
4933
4934 for (i = 0; i < res->num; i++) {
4935 struct wpa_scan_res *r = res->res[i];
4936 if (r->flags & WPA_SCAN_AUTHENTICATED) {
4937 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
4938 "indicates BSS status with " MACSTR
4939 " as authenticated",
4940 MAC2STR(r->bssid));
b1f625e0 4941 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4942 os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 &&
4943 os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) !=
4944 0) {
4945 wpa_printf(MSG_DEBUG, "nl80211: Unknown BSSID"
4946 " in local state (auth=" MACSTR
4947 " assoc=" MACSTR ")",
4948 MAC2STR(drv->auth_bssid),
4949 MAC2STR(drv->bssid));
582507be 4950 clear_state_mismatch(drv, r->bssid);
e6b8efeb
JM		 4951 }
4952 }
4953
4954 if (r->flags & WPA_SCAN_ASSOCIATED) {
4955 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
4956 "indicate BSS status with " MACSTR
4957 " as associated",
4958 MAC2STR(r->bssid));
b1f625e0 4959 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4960 !drv->associated) {
4961 wpa_printf(MSG_DEBUG, "nl80211: Local state "
4962 "(not associated) does not match "
4963 "with BSS state");
d72aad94 4964 clear_state_mismatch(drv, r->bssid);
b1f625e0 4965 } else if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4966 os_memcmp(drv->bssid, r->bssid, ETH_ALEN) !=
4967 0) {
4968 wpa_printf(MSG_DEBUG, "nl80211: Local state "
4969 "(associated with " MACSTR ") does "
4970 "not match with BSS state",
d72aad94
JM		 4971 MAC2STR(drv->bssid));
4972 clear_state_mismatch(drv, r->bssid);
4973 clear_state_mismatch(drv, drv->bssid);
e6b8efeb
JM		 4974 }
4975 }
4976 }
4977}
4978
4979
7e5ba1b9 4980static struct wpa_scan_results *
8856462d 4981nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv)
3f5285e8 4982{
b3db1e1c 4983 struct nl_msg *msg;
3f5285e8 4984 struct wpa_scan_results *res;
b3db1e1c 4985 int ret;
3812464c 4986 struct nl80211_bss_info_arg arg;
3f5285e8
JM		 4987
4988 res = os_zalloc(sizeof(*res));
b3db1e1c 4989 if (res == NULL)
8e2c104f 4990 return NULL;
b3db1e1c
JM		 4991 msg = nlmsg_alloc();
4992 if (!msg)
4993 goto nla_put_failure;
3f5285e8 4994
9fb04070 4995 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
834ee56f 4996 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
fdc554b8 4997 goto nla_put_failure;
3f5285e8 4998
3812464c
JM		 4999 arg.drv = drv;
5000 arg.res = res;
5001 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
b3db1e1c
JM		 5002 msg = NULL;
5003 if (ret == 0) {
577db0ae
GM		 5004 wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu "
5005 "BSSes)", (unsigned long) res->num);
5006 nl80211_get_noise_for_scan_results(drv, res);
b3db1e1c 5007 return res;
3f5285e8 5008 }
b3db1e1c
JM		 5009 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
5010 "(%s)", ret, strerror(-ret));
5011nla_put_failure:
5012 nlmsg_free(msg);
5013 wpa_scan_results_free(res);
5014 return NULL;
3f5285e8
JM		 5015}
5016
5017
8856462d
JM		 5018/**
5019 * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results
5020 * @priv: Pointer to private wext data from wpa_driver_nl80211_init()
5021 * Returns: Scan results on success, -1 on failure
5022 */
5023static struct wpa_scan_results *
5024wpa_driver_nl80211_get_scan_results(void *priv)
5025{
a2e40bb6
FF		 5026 struct i802_bss *bss = priv;
5027 struct wpa_driver_nl80211_data *drv = bss->drv;
8856462d
JM		 5028 struct wpa_scan_results *res;
5029
5030 res = nl80211_get_scan_results(drv);
5031 if (res)
5032 wpa_driver_nl80211_check_bss_status(drv, res);
5033 return res;
5034}
5035
5036
5037static void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv)
5038{
5039 struct wpa_scan_results *res;
5040 size_t i;
5041
5042 res = nl80211_get_scan_results(drv);
5043 if (res == NULL) {
5044 wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results");
5045 return;
5046 }
5047
5048 wpa_printf(MSG_DEBUG, "nl80211: Scan result dump");
5049 for (i = 0; i < res->num; i++) {
5050 struct wpa_scan_res *r = res->res[i];
5051 wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s%s",
5052 (int) i, (int) res->num, MAC2STR(r->bssid),
5053 r->flags & WPA_SCAN_AUTHENTICATED ? " [auth]" : "",
5054 r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : "");
5055 }
5056
5057 wpa_scan_results_free(res);
5058}
5059
5060
9ebce9c5 5061static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 5062 enum wpa_alg alg, const u8 *addr,
5063 int key_idx, int set_tx,
642187d6
JM		 5064 const u8 *seq, size_t seq_len,
5065 const u8 *key, size_t key_len)
3f5285e8 5066{
a2e40bb6 5067 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 5068 int ifindex;
3f5285e8 5069 struct nl_msg *msg;
1ad1cdc2 5070 int ret;
dc01de8a 5071 int tdls = 0;
3f5285e8 5072
e472e1b4
AS		 5073 /* Ignore for P2P Device */
5074 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
5075 return 0;
5076
5077 ifindex = if_nametoindex(ifname);
8393e1a0 5078 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 5079 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 5080 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 5081 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 5082#ifdef CONFIG_TDLS
dc01de8a 5083 if (key_idx == -1) {
8c66e185 5084 key_idx = 0;
dc01de8a
JM		 5085 tdls = 1;
5086 }
8c66e185 5087#endif /* CONFIG_TDLS */
3f5285e8
JM		 5088
5089 msg = nlmsg_alloc();
1ad1cdc2
JM		 5090 if (!msg)
5091 return -ENOMEM;
3f5285e8
JM		 5092
5093 if (alg == WPA_ALG_NONE) {
9fb04070 5094 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_KEY);
3f5285e8 5095 } else {
9fb04070 5096 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_KEY);
3f5285e8 5097 NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
d723bab4
JM		 5098 switch (alg) {
5099 case WPA_ALG_WEP:
5100 if (key_len == 5)
5101 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5102 WLAN_CIPHER_SUITE_WEP40);
5103 else
5104 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5105 WLAN_CIPHER_SUITE_WEP104);
5106 break;
5107 case WPA_ALG_TKIP:
5108 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5109 WLAN_CIPHER_SUITE_TKIP);
5110 break;
5111 case WPA_ALG_CCMP:
5112 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5113 WLAN_CIPHER_SUITE_CCMP);
5114 break;
eb7719ff
JM		 5115 case WPA_ALG_GCMP:
5116 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5117 WLAN_CIPHER_SUITE_GCMP);
5118 break;
d723bab4
JM		 5119 case WPA_ALG_IGTK:
5120 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5121 WLAN_CIPHER_SUITE_AES_CMAC);
5122 break;
369c8d7b
JM		 5123 case WPA_ALG_SMS4:
5124 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5125 WLAN_CIPHER_SUITE_SMS4);
5126 break;
5127 case WPA_ALG_KRK:
5128 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5129 WLAN_CIPHER_SUITE_KRK);
5130 break;
d723bab4
JM		 5131 default:
5132 wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
5133 "algorithm %d", __func__, alg);
3f5285e8
JM		 5134 nlmsg_free(msg);
5135 return -1;
5136 }
5137 }
5138
849ef835 5139 if (seq && seq_len)
1ad1cdc2
JM		 5140 NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq);
5141
0382097e 5142 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8
JM		 5143 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
5144 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
89c38e32
JM		 5145
5146 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
5147 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
5148 NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE,
5149 NL80211_KEYTYPE_GROUP);
5150 }
60ea8187 5151 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 5152 struct nlattr *types;
5153
60ea8187 5154 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 5155
5156 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5157 if (!types)
5158 goto nla_put_failure;
8970bae8
JB		 5159 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
5160 nla_nest_end(msg, types);
3f5285e8
JM		 5161 }
5162 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
1ad1cdc2 5163 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
3f5285e8 5164
1ad1cdc2 5165 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
15664ad0 5166 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 5167 ret = 0;
5168 if (ret)
5169 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
5170 ret, strerror(-ret));
3f5285e8 5171
1ad1cdc2
JM		 5172 /*
5173 * If we failed or don't need to set the default TX key (below),
5174 * we're done here.
5175 */
dc01de8a 5176 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 5177 return ret;
b1f625e0 5178 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 5179 !is_broadcast_ether_addr(addr))
de12717a 5180 return ret;
3f5285e8 5181
1ad1cdc2
JM		 5182 msg = nlmsg_alloc();
5183 if (!msg)
5184 return -ENOMEM;
3f5285e8 5185
9fb04070 5186 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_KEY);
1ad1cdc2
JM		 5187 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
5188 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
5189 if (alg == WPA_ALG_IGTK)
5190 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT);
5191 else
5192 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
60ea8187 5193 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 5194 struct nlattr *types;
5195
5196 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5197 if (!types)
5198 goto nla_put_failure;
8970bae8
JB		 5199 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
5200 nla_nest_end(msg, types);
60ea8187 5201 } else if (addr) {
8970bae8
JB		 5202 struct nlattr *types;
5203
5204 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5205 if (!types)
5206 goto nla_put_failure;
8970bae8
JB		 5207 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST);
5208 nla_nest_end(msg, types);
60ea8187 5209 }
3f5285e8 5210
1ad1cdc2
JM		 5211 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5212 if (ret == -ENOENT)
5213 ret = 0;
5214 if (ret)
5215 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
5216 "err=%d %s)", ret, strerror(-ret));
5217 return ret;
3f5285e8
JM		 5218
5219nla_put_failure:
5883168a 5220 nlmsg_free(msg);
6241fcb1 5221 return -ENOBUFS;
3f5285e8
JM		 5222}
5223
5224
71934751 5225static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 5226 int key_idx, int defkey,
5227 const u8 *seq, size_t seq_len,
5228 const u8 *key, size_t key_len)
5229{
5230 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
5231 if (!key_attr)
5232 return -1;
5233
5234 if (defkey && alg == WPA_ALG_IGTK)
5235 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_MGMT);
5236 else if (defkey)
5237 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
5238
5239 NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx);
5240
d723bab4
JM		 5241 switch (alg) {
5242 case WPA_ALG_WEP:
5243 if (key_len == 5)
2aa5f847
JM		 5244 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5245 WLAN_CIPHER_SUITE_WEP40);
d723bab4 5246 else
2aa5f847
JM		 5247 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5248 WLAN_CIPHER_SUITE_WEP104);
d723bab4
JM		 5249 break;
5250 case WPA_ALG_TKIP:
2aa5f847 5251 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_TKIP);
d723bab4
JM		 5252 break;
5253 case WPA_ALG_CCMP:
2aa5f847 5254 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_CCMP);
d723bab4 5255 break;
eb7719ff
JM		 5256 case WPA_ALG_GCMP:
5257 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_GCMP);
5258 break;
d723bab4 5259 case WPA_ALG_IGTK:
2aa5f847
JM		 5260 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5261 WLAN_CIPHER_SUITE_AES_CMAC);
d723bab4
JM		 5262 break;
5263 default:
5264 wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
5265 "algorithm %d", __func__, alg);
0194fedb 5266 return -1;
d723bab4 5267 }
0194fedb
JB		 5268
5269 if (seq && seq_len)
5270 NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq);
5271
5272 NLA_PUT(msg, NL80211_KEY_DATA, key_len, key);
5273
5274 nla_nest_end(msg, key_attr);
5275
5276 return 0;
5277 nla_put_failure:
5278 return -1;
5279}
5280
c811d5bc 5281
cfaab580
ZY		 5282static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
5283 struct nl_msg *msg)
5284{
5285 int i, privacy = 0;
5286 struct nlattr *nl_keys, *nl_key;
5287
5288 for (i = 0; i < 4; i++) {
5289 if (!params->wep_key[i])
5290 continue;
5291 privacy = 1;
5292 break;
5293 }
ce04af5a
JM		 5294 if (params->wps == WPS_MODE_PRIVACY)
5295 privacy = 1;
5296 if (params->pairwise_suite &&
5297 params->pairwise_suite != WPA_CIPHER_NONE)
5298 privacy = 1;
5299
cfaab580
ZY		 5300 if (!privacy)
5301 return 0;
5302
5303 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
5304
5305 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
5306 if (!nl_keys)
5307 goto nla_put_failure;
5308
5309 for (i = 0; i < 4; i++) {
5310 if (!params->wep_key[i])
5311 continue;
5312
5313 nl_key = nla_nest_start(msg, i);
5314 if (!nl_key)
5315 goto nla_put_failure;
5316
5317 NLA_PUT(msg, NL80211_KEY_DATA, params->wep_key_len[i],
5318 params->wep_key[i]);
5319 if (params->wep_key_len[i] == 5)
5320 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5321 WLAN_CIPHER_SUITE_WEP40);
5322 else
5323 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5324 WLAN_CIPHER_SUITE_WEP104);
5325
5326 NLA_PUT_U8(msg, NL80211_KEY_IDX, i);
5327
5328 if (i == params->wep_tx_keyidx)
5329 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
5330
5331 nla_nest_end(msg, nl_key);
5332 }
5333 nla_nest_end(msg, nl_keys);
5334
5335 return 0;
5336
5337nla_put_failure:
5338 return -ENOBUFS;
5339}
5340
5341
c2a04078 5342static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 5343 const u8 *addr, int cmd, u16 reason_code,
5344 int local_state_change)
c2a04078
JM		 5345{
5346 int ret = -1;
5347 struct nl_msg *msg;
5348
5349 msg = nlmsg_alloc();
5350 if (!msg)
5351 return -1;
5352
9fb04070 5353 nl80211_cmd(drv, msg, 0, cmd);
c2a04078
JM		 5354
5355 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5356 NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code);
817762d9
MI		 5357 if (addr)
5358 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
77339912
JM		 5359 if (local_state_change)
5360 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
c2a04078
JM		 5361
5362 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5363 msg = NULL;
5364 if (ret) {
3b7ea880
BG		 5365 wpa_dbg(drv->ctx, MSG_DEBUG,
5366 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
5367 reason_code, ret, strerror(-ret));
c2a04078
JM		 5368 goto nla_put_failure;
5369 }
5370 ret = 0;
5371
5372nla_put_failure:
5373 nlmsg_free(msg);
5374 return ret;
5375}
3f5285e8
JM		 5376
5377
cfaab580 5378static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 5379 int reason_code)
cfaab580 5380{
3f53c006
JJ		 5381 int ret;
5382
817762d9 5383 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 5384 nl80211_mark_disconnected(drv);
817762d9 5385 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 5386 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
5387 reason_code, 0);
5388 /*
5389 * For locally generated disconnect, supplicant already generates a
5390 * DEAUTH event, so ignore the event from NL80211.
5391 */
5392 drv->ignore_next_local_disconnect = ret == 0;
5393
5394 return ret;
cfaab580
ZY		 5395}
5396
5397
9ebce9c5
JM		 5398static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
5399 const u8 *addr, int reason_code)
3f5285e8 5400{
a2e40bb6 5401 struct wpa_driver_nl80211_data *drv = bss->drv;
cfaab580 5402 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 5403 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 5404 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
5405 __func__, MAC2STR(addr), reason_code);
add9b7a4 5406 nl80211_mark_disconnected(drv);
21bdbe38
JM		 5407 if (drv->nlmode == NL80211_IFTYPE_ADHOC)
5408 return nl80211_leave_ibss(drv);
c2a04078 5409 return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
77339912 5410 reason_code, 0);
3f5285e8
JM		 5411}
5412
5413
536fd62d
JM		 5414static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
5415 struct wpa_driver_auth_params *params)
5416{
5417 int i;
5418
5419 drv->auth_freq = params->freq;
5420 drv->auth_alg = params->auth_alg;
5421 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
5422 drv->auth_local_state_change = params->local_state_change;
5423 drv->auth_p2p = params->p2p;
5424
5425 if (params->bssid)
5426 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
5427 else
5428 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
5429
5430 if (params->ssid) {
5431 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
5432 drv->auth_ssid_len = params->ssid_len;
5433 } else
5434 drv->auth_ssid_len = 0;
5435
5436
5437 os_free(drv->auth_ie);
5438 drv->auth_ie = NULL;
5439 drv->auth_ie_len = 0;
5440 if (params->ie) {
5441 drv->auth_ie = os_malloc(params->ie_len);
5442 if (drv->auth_ie) {
5443 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
5444 drv->auth_ie_len = params->ie_len;
5445 }
5446 }
5447
5448 for (i = 0; i < 4; i++) {
5449 if (params->wep_key[i] && params->wep_key_len[i] &&
5450 params->wep_key_len[i] <= 16) {
5451 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
5452 params->wep_key_len[i]);
5453 drv->auth_wep_key_len[i] = params->wep_key_len[i];
5454 } else
5455 drv->auth_wep_key_len[i] = 0;
5456 }
5457}
5458
5459
c2a04078 5460static int wpa_driver_nl80211_authenticate(
9ebce9c5 5461 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 5462{
a2e40bb6 5463 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 5464 int ret = -1, i;
c2a04078
JM		 5465 struct nl_msg *msg;
5466 enum nl80211_auth_type type;
2f4f73b1 5467 enum nl80211_iftype nlmode;
6d6f4bb8 5468 int count = 0;
536fd62d
JM		 5469 int is_retry;
5470
5471 is_retry = drv->retry_auth;
5472 drv->retry_auth = 0;
c2a04078 5473
add9b7a4 5474 nl80211_mark_disconnected(drv);
e6b8efeb 5475 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 5476 if (params->bssid)
5477 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5478 else
5479 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 5480 /* FIX: IBSS mode */
2f4f73b1
EP		 5481 nlmode = params->p2p ?
5482 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5483 if (drv->nlmode != nlmode &&
9ebce9c5 5484 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 5485 return -1;
5486
6d6f4bb8 5487retry:
c2a04078
JM		 5488 msg = nlmsg_alloc();
5489 if (!msg)
5490 return -1;
5491
5492 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
5493 drv->ifindex);
a0b2f99b 5494
9fb04070 5495 nl80211_cmd(drv, msg, 0, NL80211_CMD_AUTHENTICATE);
0194fedb 5496
a0b2f99b
JM		 5497 for (i = 0; i < 4; i++) {
5498 if (!params->wep_key[i])
5499 continue;
9ebce9c5 5500 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 5501 NULL, i,
a0b2f99b
JM		 5502 i == params->wep_tx_keyidx, NULL, 0,
5503 params->wep_key[i],
5504 params->wep_key_len[i]);
0194fedb
JB		 5505 if (params->wep_tx_keyidx != i)
5506 continue;
5507 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
5508 params->wep_key[i], params->wep_key_len[i])) {
5509 nlmsg_free(msg);
5510 return -1;
5511 }
a0b2f99b
JM		 5512 }
5513
c2a04078
JM		 5514 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5515 if (params->bssid) {
5516 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5517 MAC2STR(params->bssid));
5518 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
5519 }
5520 if (params->freq) {
5521 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
5522 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
5523 }
5524 if (params->ssid) {
5525 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
5526 params->ssid, params->ssid_len);
5527 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
5528 params->ssid);
5529 }
5530 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
5531 if (params->ie)
5532 NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie);
569fed90
JM		 5533 if (params->sae_data) {
5534 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
5535 params->sae_data_len);
5536 NLA_PUT(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
5537 params->sae_data);
5538 }
abd9fafa 5539 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 5540 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 5541 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 5542 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 5543 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 5544 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 5545 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 5546 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 5547 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
5548 type = NL80211_AUTHTYPE_SAE;
c2a04078
JM		 5549 else
5550 goto nla_put_failure;
5551 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
5552 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
77339912
JM		 5553 if (params->local_state_change) {
5554 wpa_printf(MSG_DEBUG, " * Local state change only");
5555 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
5556 }
c2a04078
JM		 5557
5558 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5559 msg = NULL;
5560 if (ret) {
3b7ea880
BG		 5561 wpa_dbg(drv->ctx, MSG_DEBUG,
5562 "nl80211: MLME command failed (auth): ret=%d (%s)",
5563 ret, strerror(-ret));
6d6f4bb8 5564 count++;
77339912
JM		 5565 if (ret == -EALREADY && count == 1 && params->bssid &&
5566 !params->local_state_change) {
6d6f4bb8
JM		 5567 /*
5568 * mac80211 does not currently accept new
5569 * authentication if we are already authenticated. As a
5570 * workaround, force deauthentication and try again.
5571 */
5572 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
5573 "after forced deauthentication");
5574 wpa_driver_nl80211_deauthenticate(
5205c4f9 5575 bss, params->bssid,
6d6f4bb8
JM		 5576 WLAN_REASON_PREV_AUTH_NOT_VALID);
5577 nlmsg_free(msg);
5578 goto retry;
5579 }
536fd62d
JM		 5580
5581 if (ret == -ENOENT && params->freq && !is_retry) {
5582 /*
5583 * cfg80211 has likely expired the BSS entry even
5584 * though it was previously available in our internal
5585 * BSS table. To recover quickly, start a single
5586 * channel scan on the specified channel.
5587 */
5588 struct wpa_driver_scan_params scan;
5589 int freqs[2];
5590
5591 os_memset(&scan, 0, sizeof(scan));
5592 scan.num_ssids = 1;
5593 if (params->ssid) {
5594 scan.ssids[0].ssid = params->ssid;
5595 scan.ssids[0].ssid_len = params->ssid_len;
5596 }
5597 freqs[0] = params->freq;
5598 freqs[1] = 0;
5599 scan.freqs = freqs;
5600 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
5601 "channel scan to refresh cfg80211 BSS "
5602 "entry");
5603 ret = wpa_driver_nl80211_scan(bss, &scan);
5604 if (ret == 0) {
5605 nl80211_copy_auth_params(drv, params);
5606 drv->scan_for_auth = 1;
5607 }
8c3ba078
JM		 5608 } else if (is_retry) {
5609 /*
5610 * Need to indicate this with an event since the return
5611 * value from the retry is not delivered to core code.
5612 */
5613 union wpa_event_data event;
5614 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
5615 "failed");
5616 os_memset(&event, 0, sizeof(event));
5617 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
5618 ETH_ALEN);
5619 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
5620 &event);
536fd62d
JM		 5621 }
5622
c2a04078
JM		 5623 goto nla_put_failure;
5624 }
5625 ret = 0;
5626 wpa_printf(MSG_DEBUG, "nl80211: Authentication request send "
5627 "successfully");
5628
5629nla_put_failure:
5630 nlmsg_free(msg);
5631 return ret;
5632}
5633
5634
536fd62d
JM		 5635static int wpa_driver_nl80211_authenticate_retry(
5636 struct wpa_driver_nl80211_data *drv)
5637{
5638 struct wpa_driver_auth_params params;
834ee56f 5639 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 5640 int i;
5641
5642 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
5643
5644 os_memset(&params, 0, sizeof(params));
5645 params.freq = drv->auth_freq;
5646 params.auth_alg = drv->auth_alg;
5647 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
5648 params.local_state_change = drv->auth_local_state_change;
5649 params.p2p = drv->auth_p2p;
5650
5651 if (!is_zero_ether_addr(drv->auth_bssid_))
5652 params.bssid = drv->auth_bssid_;
5653
5654 if (drv->auth_ssid_len) {
5655 params.ssid = drv->auth_ssid;
5656 params.ssid_len = drv->auth_ssid_len;
5657 }
5658
5659 params.ie = drv->auth_ie;
5660 params.ie_len = drv->auth_ie_len;
5661
5662 for (i = 0; i < 4; i++) {
5663 if (drv->auth_wep_key_len[i]) {
5664 params.wep_key[i] = drv->auth_wep_key[i];
5665 params.wep_key_len[i] = drv->auth_wep_key_len[i];
5666 }
5667 }
5668
5669 drv->retry_auth = 1;
5670 return wpa_driver_nl80211_authenticate(bss, &params);
5671}
5672
5673
282d5590
JM		 5674struct phy_info_arg {
5675 u16 *num_modes;
5676 struct hostapd_hw_modes *modes;
43245552 5677 int last_mode, last_chan_idx;
282d5590
JM		 5678};
5679
e62a1d43
JM		 5680static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
5681 struct nlattr *ampdu_factor,
5682 struct nlattr *ampdu_density,
5683 struct nlattr *mcs_set)
5684{
5685 if (capa)
5686 mode->ht_capab = nla_get_u16(capa);
5687
5688 if (ampdu_factor)
5689 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
5690
5691 if (ampdu_density)
5692 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
5693
5694 if (mcs_set && nla_len(mcs_set) >= 16) {
5695 u8 *mcs;
5696 mcs = nla_data(mcs_set);
5697 os_memcpy(mode->mcs_set, mcs, 16);
5698 }
5699}
5700
5701
5702static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
5703 struct nlattr *capa,
5704 struct nlattr *mcs_set)
5705{
5706 if (capa)
5707 mode->vht_capab = nla_get_u32(capa);
5708
5709 if (mcs_set && nla_len(mcs_set) >= 8) {
5710 u8 *mcs;
5711 mcs = nla_data(mcs_set);
5712 os_memcpy(mode->vht_mcs_set, mcs, 8);
5713 }
5714}
5715
5716
214a77b0
JM		 5717static void phy_info_freq(struct hostapd_hw_modes *mode,
5718 struct hostapd_channel_data *chan,
5719 struct nlattr *tb_freq[])
5720{
e864c0ae 5721 u8 channel;
214a77b0
JM		 5722 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
5723 chan->flag = 0;
e864c0ae
JM		 5724 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
5725 chan->chan = channel;
214a77b0
JM		 5726
5727 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
5728 chan->flag |= HOSTAPD_CHAN_DISABLED;
5729 if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
5730 chan->flag |= HOSTAPD_CHAN_PASSIVE_SCAN;
5731 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
5732 chan->flag |= HOSTAPD_CHAN_NO_IBSS;
5733 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
5734 chan->flag |= HOSTAPD_CHAN_RADAR;
5735
fc96522e
SW		 5736 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
5737 enum nl80211_dfs_state state =
5738 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
5739
5740 switch (state) {
5741 case NL80211_DFS_USABLE:
5742 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
5743 break;
5744 case NL80211_DFS_AVAILABLE:
5745 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
5746 break;
5747 case NL80211_DFS_UNAVAILABLE:
5748 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
5749 break;
5750 }
5751 }
214a77b0
JM		 5752}
5753
5754
e62a1d43
JM		 5755static int phy_info_freqs(struct phy_info_arg *phy_info,
5756 struct hostapd_hw_modes *mode, struct nlattr *tb)
282d5590 5757{
282d5590
JM		 5758 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
5759 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
5760 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
5761 [NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
5762 [NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
5763 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
5764 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
fc96522e 5765 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
282d5590 5766 };
e62a1d43
JM		 5767 int new_channels = 0;
5768 struct hostapd_channel_data *channel;
5769 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
5770 struct nlattr *nl_freq;
5771 int rem_freq, idx;
5772
5773 if (tb == NULL)
5774 return NL_OK;
5775
5776 nla_for_each_nested(nl_freq, tb, rem_freq) {
5777 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
5778 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
5779 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
5780 continue;
5781 new_channels++;
5782 }
5783
5784 channel = os_realloc_array(mode->channels,
5785 mode->num_channels + new_channels,
5786 sizeof(struct hostapd_channel_data));
5787 if (!channel)
5788 return NL_SKIP;
5789
5790 mode->channels = channel;
5791 mode->num_channels += new_channels;
5792
5793 idx = phy_info->last_chan_idx;
5794
5795 nla_for_each_nested(nl_freq, tb, rem_freq) {
5796 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
5797 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
5798 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
5799 continue;
214a77b0 5800 phy_info_freq(mode, &mode->channels[idx], tb_freq);
e62a1d43
JM		 5801 idx++;
5802 }
5803 phy_info->last_chan_idx = idx;
5804
5805 return NL_OK;
5806}
5807
5808
5809static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
5810{
282d5590
JM		 5811 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
5812 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
3cfcad1b
JM		 5813 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
5814 { .type = NLA_FLAG },
282d5590 5815 };
e62a1d43 5816 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
282d5590 5817 struct nlattr *nl_rate;
e62a1d43
JM		 5818 int rem_rate, idx;
5819
5820 if (tb == NULL)
5821 return NL_OK;
5822
5823 nla_for_each_nested(nl_rate, tb, rem_rate) {
5824 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
5825 nla_data(nl_rate), nla_len(nl_rate),
5826 rate_policy);
5827 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
5828 continue;
5829 mode->num_rates++;
5830 }
5831
5832 mode->rates = os_calloc(mode->num_rates, sizeof(int));
5833 if (!mode->rates)
5834 return NL_SKIP;
5835
5836 idx = 0;
5837
5838 nla_for_each_nested(nl_rate, tb, rem_rate) {
5839 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
5840 nla_data(nl_rate), nla_len(nl_rate),
5841 rate_policy);
5842 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
5843 continue;
5844 mode->rates[idx] = nla_get_u32(
5845 tb_rate[NL80211_BITRATE_ATTR_RATE]);
e62a1d43
JM		 5846 idx++;
5847 }
5848
5849 return NL_OK;
5850}
5851
5852
5853static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
5854{
5855 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
282d5590 5856 struct hostapd_hw_modes *mode;
e62a1d43 5857 int ret;
282d5590 5858
3cfcad1b
JM		 5859 if (phy_info->last_mode != nl_band->nla_type) {
5860 mode = os_realloc_array(phy_info->modes,
5861 *phy_info->num_modes + 1,
5862 sizeof(*mode));
5863 if (!mode)
5864 return NL_SKIP;
5865 phy_info->modes = mode;
5866
5867 mode = &phy_info->modes[*(phy_info->num_modes)];
5868 os_memset(mode, 0, sizeof(*mode));
5869 mode->mode = NUM_HOSTAPD_MODES;
c8ebeda4
MK		 5870 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
5871 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
5872
5873 /*
5874 * Unsupported VHT MCS stream is defined as value 3, so the VHT
5875 * MCS RX/TX map must be initialized with 0xffff to mark all 8
5876 * possible streams as unsupported. This will be overridden if
5877 * driver advertises VHT support.
5878 */
5879 mode->vht_mcs_set[0] = 0xff;
5880 mode->vht_mcs_set[1] = 0xff;
5881 mode->vht_mcs_set[4] = 0xff;
5882 mode->vht_mcs_set[5] = 0xff;
5883
3cfcad1b
JM		 5884 *(phy_info->num_modes) += 1;
5885 phy_info->last_mode = nl_band->nla_type;
5886 phy_info->last_chan_idx = 0;
5887 } else
5888 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
282d5590 5889
3cfcad1b
JM		 5890 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
5891 nla_len(nl_band), NULL);
282d5590 5892
e62a1d43
JM		 5893 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
5894 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
5895 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
5896 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
5897 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
5898 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
5899 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
5900 if (ret != NL_OK)
5901 return ret;
5902 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
5903 if (ret != NL_OK)
5904 return ret;
282d5590 5905
3cfcad1b
JM		 5906 return NL_OK;
5907}
5908
5909
5910static int phy_info_handler(struct nl_msg *msg, void *arg)
5911{
5912 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
5913 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5914 struct phy_info_arg *phy_info = arg;
5915 struct nlattr *nl_band;
5916 int rem_band;
5917
5918 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5919 genlmsg_attrlen(gnlh, 0), NULL);
5920
5921 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
5922 return NL_SKIP;
5923
5924 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
5925 {
5926 int res = phy_info_band(phy_info, nl_band);
5927 if (res != NL_OK)
5928 return res;
5929 }
5930
282d5590
JM		 5931 return NL_SKIP;
5932}
5933
3cfcad1b 5934
282d5590 5935static struct hostapd_hw_modes *
c30a4ab0
JB		 5936wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
5937 u16 *num_modes)
282d5590
JM		 5938{
5939 u16 m;
5940 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
5941 int i, mode11g_idx = -1;
5942
c30a4ab0
JB		 5943 /* heuristic to set up modes */
5944 for (m = 0; m < *num_modes; m++) {
5945 if (!modes[m].num_channels)
5946 continue;
5947 if (modes[m].channels[0].freq < 4000) {
5948 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
5949 for (i = 0; i < modes[m].num_rates; i++) {
5950 if (modes[m].rates[i] > 200) {
5951 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
5952 break;
5953 }
5954 }
5955 } else if (modes[m].channels[0].freq > 50000)
5956 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
5957 else
5958 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
5959 }
5960
282d5590
JM		 5961 /* If only 802.11g mode is included, use it to construct matching
5962 * 802.11b mode data. */
5963
5964 for (m = 0; m < *num_modes; m++) {
5965 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
5966 return modes; /* 802.11b already included */
5967 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
5968 mode11g_idx = m;
5969 }
5970
5971 if (mode11g_idx < 0)
5972 return modes; /* 2.4 GHz band not supported at all */
5973
067ffa26 5974 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
282d5590
JM		 5975 if (nmodes == NULL)
5976 return modes; /* Could not add 802.11b mode */
5977
5978 mode = &nmodes[*num_modes];
5979 os_memset(mode, 0, sizeof(*mode));
5980 (*num_modes)++;
5981 modes = nmodes;
5982
5983 mode->mode = HOSTAPD_MODE_IEEE80211B;
5984
5985 mode11g = &modes[mode11g_idx];
5986 mode->num_channels = mode11g->num_channels;
5987 mode->channels = os_malloc(mode11g->num_channels *
5988 sizeof(struct hostapd_channel_data));
5989 if (mode->channels == NULL) {
5990 (*num_modes)--;
5991 return modes; /* Could not add 802.11b mode */
5992 }
5993 os_memcpy(mode->channels, mode11g->channels,
5994 mode11g->num_channels * sizeof(struct hostapd_channel_data));
5995
5996 mode->num_rates = 0;
fb7842aa 5997 mode->rates = os_malloc(4 * sizeof(int));
282d5590
JM		 5998 if (mode->rates == NULL) {
5999 os_free(mode->channels);
6000 (*num_modes)--;
6001 return modes; /* Could not add 802.11b mode */
6002 }
6003
6004 for (i = 0; i < mode11g->num_rates; i++) {
fb7842aa
JM		 6005 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
6006 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
282d5590
JM		 6007 continue;
6008 mode->rates[mode->num_rates] = mode11g->rates[i];
6009 mode->num_rates++;
6010 if (mode->num_rates == 4)
6011 break;
6012 }
6013
6014 if (mode->num_rates == 0) {
6015 os_free(mode->channels);
6016 os_free(mode->rates);
6017 (*num_modes)--;
6018 return modes; /* No 802.11b rates */
6019 }
6020
6021 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
6022 "information");
6023
6024 return modes;
6025}
6026
6027
d8e66e80
JM		 6028static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
6029 int end)
6030{
6031 int c;
6032
6033 for (c = 0; c < mode->num_channels; c++) {
6034 struct hostapd_channel_data *chan = &mode->channels[c];
6035 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
6036 chan->flag |= HOSTAPD_CHAN_HT40;
6037 }
6038}
6039
6040
6041static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
6042 int end)
6043{
6044 int c;
6045
6046 for (c = 0; c < mode->num_channels; c++) {
6047 struct hostapd_channel_data *chan = &mode->channels[c];
6048 if (!(chan->flag & HOSTAPD_CHAN_HT40))
6049 continue;
6050 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
6051 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
6052 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
6053 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
6054 }
6055}
6056
6057
6651f1f9
HS		 6058static void nl80211_reg_rule_max_eirp(struct nlattr *tb[],
6059 struct phy_info_arg *results)
6060{
6061 u32 start, end, max_eirp;
6062 u16 m;
6063
6064 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
6065 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
6066 tb[NL80211_ATTR_POWER_RULE_MAX_EIRP] == NULL)
6067 return;
6068
6069 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
6070 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
6071 max_eirp = nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
6072
6073 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u mBm",
6074 start, end, max_eirp);
6075
6076 for (m = 0; m < *results->num_modes; m++) {
6077 int c;
6078 struct hostapd_hw_modes *mode = &results->modes[m];
6079
6080 for (c = 0; c < mode->num_channels; c++) {
6081 struct hostapd_channel_data *chan = &mode->channels[c];
6082 if ((u32) chan->freq - 10 >= start &&
6083 (u32) chan->freq + 10 <= end)
6084 chan->max_tx_power = max_eirp;
6085 }
6086 }
6087}
6088
6089
d8e66e80
JM		 6090static void nl80211_reg_rule_ht40(struct nlattr *tb[],
6091 struct phy_info_arg *results)
6092{
6093 u32 start, end, max_bw;
6094 u16 m;
6095
6096 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
6097 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
6098 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
6099 return;
6100
6101 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
6102 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
6103 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
6104
6105 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz",
6106 start, end, max_bw);
6107 if (max_bw < 40)
6108 return;
6109
6110 for (m = 0; m < *results->num_modes; m++) {
6111 if (!(results->modes[m].ht_capab &
6112 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
6113 continue;
6114 nl80211_set_ht40_mode(&results->modes[m], start, end);
6115 }
6116}
6117
6118
6119static void nl80211_reg_rule_sec(struct nlattr *tb[],
6120 struct phy_info_arg *results)
6121{
6122 u32 start, end, max_bw;
6123 u16 m;
6124
6125 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
6126 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
6127 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
6128 return;
6129
6130 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
6131 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
6132 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
6133
6134 if (max_bw < 20)
6135 return;
6136
6137 for (m = 0; m < *results->num_modes; m++) {
6138 if (!(results->modes[m].ht_capab &
6139 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
6140 continue;
6141 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
6142 }
6143}
6144
6145
53cfad46
EP		 6146static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
6147 int end)
6148{
6149 int c;
6150
6151 for (c = 0; c < mode->num_channels; c++) {
6152 struct hostapd_channel_data *chan = &mode->channels[c];
6153 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
6154 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
6155
6156 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
6157 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
6158
6159 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
6160 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
6161
6162 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
6163 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
6164 }
6165}
6166
6167
6168static void nl80211_reg_rule_vht(struct nlattr *tb[],
6169 struct phy_info_arg *results)
6170{
6171 u32 start, end, max_bw;
6172 u16 m;
6173
6174 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
6175 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
6176 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
6177 return;
6178
6179 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
6180 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
6181 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
6182
6183 if (max_bw < 80)
6184 return;
6185
6186 for (m = 0; m < *results->num_modes; m++) {
6187 if (!(results->modes[m].ht_capab &
6188 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
6189 continue;
6190 /* TODO: use a real VHT support indication */
6191 if (!results->modes[m].vht_capab)
6192 continue;
6193
6194 nl80211_set_vht_mode(&results->modes[m], start, end);
6195 }
6196}
6197
6198
d8e66e80
JM		 6199static int nl80211_get_reg(struct nl_msg *msg, void *arg)
6200{
6201 struct phy_info_arg *results = arg;
6202 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
6203 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6204 struct nlattr *nl_rule;
6205 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
6206 int rem_rule;
6207 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
6208 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6209 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6210 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6211 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6212 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6213 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6214 };
6215
6216 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6217 genlmsg_attrlen(gnlh, 0), NULL);
6218 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
6219 !tb_msg[NL80211_ATTR_REG_RULES]) {
6220 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
6221 "available");
6222 return NL_SKIP;
6223 }
6224
6225 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
6226 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
6227
6228 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
6229 {
6230 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
6231 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
6232 nl80211_reg_rule_ht40(tb_rule, results);
6651f1f9 6233 nl80211_reg_rule_max_eirp(tb_rule, results);
d8e66e80
JM		 6234 }
6235
6236 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
6237 {
6238 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
6239 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
6240 nl80211_reg_rule_sec(tb_rule, results);
6241 }
6242
53cfad46
EP		 6243 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
6244 {
6245 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
6246 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
6247 nl80211_reg_rule_vht(tb_rule, results);
6248 }
6249
d8e66e80
JM		 6250 return NL_SKIP;
6251}
6252
6253
53cfad46
EP		 6254static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
6255 struct phy_info_arg *results)
d8e66e80
JM		 6256{
6257 struct nl_msg *msg;
6258
6259 msg = nlmsg_alloc();
6260 if (!msg)
6261 return -ENOMEM;
6262
9fb04070 6263 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
d8e66e80
JM		 6264 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
6265}
6266
6267
282d5590
JM		 6268static struct hostapd_hw_modes *
6269wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
6270{
43245552 6271 u32 feat;
a2e40bb6
FF		 6272 struct i802_bss *bss = priv;
6273 struct wpa_driver_nl80211_data *drv = bss->drv;
282d5590
JM		 6274 struct nl_msg *msg;
6275 struct phy_info_arg result = {
6276 .num_modes = num_modes,
6277 .modes = NULL,
43245552 6278 .last_mode = -1,
282d5590
JM		 6279 };
6280
6281 *num_modes = 0;
6282 *flags = 0;
6283
6284 msg = nlmsg_alloc();
6285 if (!msg)
6286 return NULL;
6287
43245552
DJ		 6288 feat = get_nl80211_protocol_features(drv);
6289 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
6290 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
6291 else
6292 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
282d5590 6293
43245552 6294 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
282d5590
JM		 6295 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6296
d8e66e80 6297 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
53cfad46 6298 nl80211_set_regulatory_flags(drv, &result);
c30a4ab0
JB		 6299 return wpa_driver_nl80211_postprocess_modes(result.modes,
6300 num_modes);
d8e66e80 6301 }
5883168a 6302 msg = NULL;
282d5590 6303 nla_put_failure:
5883168a 6304 nlmsg_free(msg);
282d5590
JM		 6305 return NULL;
6306}
6307
6308
a11241fa
JB		 6309static int wpa_driver_nl80211_send_mntr(struct wpa_driver_nl80211_data *drv,
6310 const void *data, size_t len,
6311 int encrypt, int noack)
2c2010ac
JM		 6312{
6313 __u8 rtap_hdr[] = {
6314 0x00, 0x00, /* radiotap version */
6315 0x0e, 0x00, /* radiotap length */
6316 0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */
6317 IEEE80211_RADIOTAP_F_FRAG, /* F_FRAG (fragment if required) */
6318 0x00, /* padding */
6319 0x00, 0x00, /* RX and TX flags to indicate that */
6320 0x00, 0x00, /* this is the injected frame directly */
6321 };
6322 struct iovec iov[2] = {
6323 {
6324 .iov_base = &rtap_hdr,
6325 .iov_len = sizeof(rtap_hdr),
6326 },
6327 {
6328 .iov_base = (void *) data,
6329 .iov_len = len,
6330 }
6331 };
6332 struct msghdr msg = {
6333 .msg_name = NULL,
6334 .msg_namelen = 0,
6335 .msg_iov = iov,
6336 .msg_iovlen = 2,
6337 .msg_control = NULL,
6338 .msg_controllen = 0,
6339 .msg_flags = 0,
6340 };
ebbec8b2 6341 int res;
fab25336 6342 u16 txflags = 0;
2c2010ac
JM		 6343
6344 if (encrypt)
6345 rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP;
6346
866af8b6
JM		 6347 if (drv->monitor_sock < 0) {
6348 wpa_printf(MSG_DEBUG, "nl80211: No monitor socket available "
6349 "for %s", __func__);
6350 return -1;
6351 }
6352
fab25336
HS		 6353 if (noack)
6354 txflags |= IEEE80211_RADIOTAP_F_TX_NOACK;
9d7a63dc 6355 WPA_PUT_LE16(&rtap_hdr[12], txflags);
fab25336 6356
ebbec8b2
JM		 6357 res = sendmsg(drv->monitor_sock, &msg, 0);
6358 if (res < 0) {
6359 wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno));
6360 return -1;
6361 }
6362 return 0;
2c2010ac
JM		 6363}
6364
6365
a11241fa
JB		 6366static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
6367 const void *data, size_t len,
55231068
JM		 6368 int encrypt, int noack,
6369 unsigned int freq, int no_cck,
6370 int offchanok, unsigned int wait_time)
a11241fa
JB		 6371{
6372 struct wpa_driver_nl80211_data *drv = bss->drv;
6373 u64 cookie;
41cc50d1 6374 int res;
a11241fa 6375
af964484
JM		 6376 if (freq == 0) {
6377 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
6378 bss->freq);
55231068 6379 freq = bss->freq;
af964484 6380 }
55231068 6381
739faee2
JM		 6382 if (drv->use_monitor) {
6383 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_mntr",
6384 freq, bss->freq);
a11241fa
JB		 6385 return wpa_driver_nl80211_send_mntr(drv, data, len,
6386 encrypt, noack);
739faee2 6387 }
a11241fa 6388
739faee2 6389 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1
JM		 6390 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
6391 &cookie, no_cck, noack, offchanok);
6392 if (res == 0 && !noack) {
6393 const struct ieee80211_mgmt *mgmt;
6394 u16 fc;
6395
6396 mgmt = (const struct ieee80211_mgmt *) data;
6397 fc = le_to_host16(mgmt->frame_control);
6398 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6399 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
6400 wpa_printf(MSG_MSGDUMP,
6401 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
6402 (long long unsigned int)
6403 drv->send_action_cookie,
6404 (long long unsigned int) cookie);
6405 drv->send_action_cookie = cookie;
6406 }
6407 }
6408
6409 return res;
a11241fa
JB		 6410}
6411
6412
9ebce9c5
JM		 6413static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
6414 size_t data_len, int noack,
6415 unsigned int freq, int no_cck,
6416 int offchanok,
6417 unsigned int wait_time)
2c2010ac 6418{
a2e40bb6 6419 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 6420 struct ieee80211_mgmt *mgmt;
7a47d567 6421 int encrypt = 1;
2c2010ac
JM		 6422 u16 fc;
6423
6424 mgmt = (struct ieee80211_mgmt *) data;
6425 fc = le_to_host16(mgmt->frame_control);
af964484
JM		 6426 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x nlmode=%d",
6427 noack, freq, no_cck, offchanok, wait_time, fc, drv->nlmode);
2c2010ac 6428
8e12685c
AS		 6429 if ((is_sta_interface(drv->nlmode) ||
6430 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 6431 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6432 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
6433 /*
6434 * The use of last_mgmt_freq is a bit of a hack,
6435 * but it works due to the single-threaded nature
6436 * of wpa_supplicant.
6437 */
af964484
JM		 6438 if (freq == 0) {
6439 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
6440 drv->last_mgmt_freq);
55231068 6441 freq = drv->last_mgmt_freq;
af964484 6442 }
55231068 6443 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7
JB		 6444 data, data_len, NULL, 1, noack,
6445 1);
5582a5d1
JB		 6446 }
6447
61cbe2ff 6448 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 6449 if (freq == 0) {
6450 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
6451 bss->freq);
55231068 6452 freq = bss->freq;
af964484 6453 }
b5671498
JM		 6454 return nl80211_send_frame_cmd(bss, freq,
6455 (int) freq == bss->freq ? 0 :
6456 wait_time,
d8d6b32e
DG		 6457 data, data_len,
6458 &drv->send_action_cookie,
55231068 6459 no_cck, noack, offchanok);
86957e62
JM		 6460 }
6461
2c2010ac
JM		 6462 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6463 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
6464 /*
6465 * Only one of the authentication frame types is encrypted.
6466 * In order for static WEP encryption to work properly (i.e.,
6467 * to not encrypt the frame), we need to tell mac80211 about
6468 * the frames that must not be encrypted.
6469 */
6470 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
6471 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 6472 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
6473 encrypt = 0;
2c2010ac
JM		 6474 }
6475
739faee2 6476 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 6477 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068
JM		 6478 noack, freq, no_cck, offchanok,
6479 wait_time);
6480}
6481
6482
31357268 6483static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47
JM		 6484 int slot, int ht_opmode, int ap_isolate,
6485 int *basic_rates)
31357268
JM		 6486{
6487 struct wpa_driver_nl80211_data *drv = bss->drv;
6488 struct nl_msg *msg;
6489
6490 msg = nlmsg_alloc();
6491 if (!msg)
6492 return -ENOMEM;
6493
9fb04070 6494 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS);
31357268
JM		 6495
6496 if (cts >= 0)
6497 NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts);
6498 if (preamble >= 0)
6499 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
6500 if (slot >= 0)
6501 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
6502 if (ht_opmode >= 0)
6503 NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode);
d03e8d11
JM		 6504 if (ap_isolate >= 0)
6505 NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate);
e5693c47
JM		 6506
6507 if (basic_rates) {
6508 u8 rates[NL80211_MAX_SUPP_RATES];
6509 u8 rates_len = 0;
6510 int i;
6511
6512 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
6513 i++)
6514 rates[rates_len++] = basic_rates[i] / 5;
6515
6516 NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
6517 }
6518
31357268
JM		 6519 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
6520
6521 return send_and_recv_msgs(drv, msg, NULL, NULL);
6522 nla_put_failure:
5883168a 6523 nlmsg_free(msg);
31357268
JM		 6524 return -ENOBUFS;
6525}
6526
6527
3c4ca363
VN		 6528static int wpa_driver_nl80211_set_acl(void *priv,
6529 struct hostapd_acl_params *params)
6530{
6531 struct i802_bss *bss = priv;
6532 struct wpa_driver_nl80211_data *drv = bss->drv;
6533 struct nl_msg *msg;
6534 struct nlattr *acl;
6535 unsigned int i;
6536 int ret = 0;
6537
6538 if (!(drv->capa.max_acl_mac_addrs))
6539 return -ENOTSUP;
6540
6541 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
6542 return -ENOTSUP;
6543
6544 msg = nlmsg_alloc();
6545 if (!msg)
6546 return -ENOMEM;
6547
6548 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
6549 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
6550
6551 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_MAC_ACL);
6552
6553 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6554
6555 NLA_PUT_U32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
6556 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
6557 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED);
6558
6559 acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
6560 if (acl == NULL)
6561 goto nla_put_failure;
6562
6563 for (i = 0; i < params->num_mac_acl; i++)
6564 NLA_PUT(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr);
6565
6566 nla_nest_end(msg, acl);
6567
6568 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6569 msg = NULL;
6570 if (ret) {
6571 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
6572 ret, strerror(-ret));
6573 }
6574
6575nla_put_failure:
6576 nlmsg_free(msg);
6577
6578 return ret;
6579}
6580
6581
19c3b566
JM		 6582static int wpa_driver_nl80211_set_ap(void *priv,
6583 struct wpa_driver_ap_params *params)
d2440ba0 6584{
a2e40bb6
FF		 6585 struct i802_bss *bss = priv;
6586 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 6587 struct nl_msg *msg;
6588 u8 cmd = NL80211_CMD_NEW_BEACON;
6589 int ret;
b4fd6fab 6590 int beacon_set;
8b897f5a 6591 int ifindex = if_nametoindex(bss->ifname);
b11d1d64
JM		 6592 int num_suites;
6593 u32 suites[10];
6594 u32 ver;
b4fd6fab 6595
b4fd6fab 6596 beacon_set = bss->beacon_set;
d2440ba0
JM		 6597
6598 msg = nlmsg_alloc();
6599 if (!msg)
6600 return -ENOMEM;
6601
6602 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 6603 beacon_set);
6604 if (beacon_set)
d2440ba0
JM		 6605 cmd = NL80211_CMD_SET_BEACON;
6606
9fb04070 6607 nl80211_cmd(drv, msg, 0, cmd);
b92e08fc
JM		 6608 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
6609 params->head, params->head_len);
19c3b566 6610 NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head);
b92e08fc
JM		 6611 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
6612 params->tail, params->tail_len);
19c3b566 6613 NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail);
b92e08fc 6614 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", ifindex);
b4fd6fab 6615 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
b92e08fc 6616 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
19c3b566 6617 NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int);
b92e08fc 6618 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
19c3b566 6619 NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period);
b92e08fc
JM		 6620 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
6621 params->ssid, params->ssid_len);
ccb941e6
JM		 6622 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
6623 params->ssid);
b92e08fc
JM		 6624 if (params->proberesp && params->proberesp_len) {
6625 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
6626 params->proberesp, params->proberesp_len);
5ed33546
AN		 6627 NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
6628 params->proberesp);
b92e08fc 6629 }
97a7a0b5
JM		 6630 switch (params->hide_ssid) {
6631 case NO_SSID_HIDING:
b92e08fc 6632 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
97a7a0b5
JM		 6633 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6634 NL80211_HIDDEN_SSID_NOT_IN_USE);
6635 break;
6636 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 6637 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
97a7a0b5
JM		 6638 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6639 NL80211_HIDDEN_SSID_ZERO_LEN);
6640 break;
6641 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 6642 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
97a7a0b5
JM		 6643 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
6644 NL80211_HIDDEN_SSID_ZERO_CONTENTS);
6645 break;
6646 }
b92e08fc 6647 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
b11d1d64
JM		 6648 if (params->privacy)
6649 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
b92e08fc 6650 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 6651 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
6652 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
6653 /* Leave out the attribute */
6654 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED)
6655 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
6656 NL80211_AUTHTYPE_SHARED_KEY);
6657 else
6658 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
6659 NL80211_AUTHTYPE_OPEN_SYSTEM);
6660
b92e08fc 6661 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 6662 ver = 0;
6663 if (params->wpa_version & WPA_PROTO_WPA)
6664 ver |= NL80211_WPA_VERSION_1;
6665 if (params->wpa_version & WPA_PROTO_RSN)
6666 ver |= NL80211_WPA_VERSION_2;
6667 if (ver)
6668 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
6669
b92e08fc
JM		 6670 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
6671 params->key_mgmt_suites);
b11d1d64
JM		 6672 num_suites = 0;
6673 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
6674 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
6675 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
6676 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
6677 if (num_suites) {
6678 NLA_PUT(msg, NL80211_ATTR_AKM_SUITES,
6679 num_suites * sizeof(u32), suites);
6680 }
6681
9f12614b
JB		 6682 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X &&
6683 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40))
6684 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT);
6685
b92e08fc
JM		 6686 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
6687 params->pairwise_ciphers);
b11d1d64
JM		 6688 num_suites = 0;
6689 if (params->pairwise_ciphers & WPA_CIPHER_CCMP)
6690 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
eb7719ff
JM		 6691 if (params->pairwise_ciphers & WPA_CIPHER_GCMP)
6692 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
b11d1d64
JM		 6693 if (params->pairwise_ciphers & WPA_CIPHER_TKIP)
6694 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
6695 if (params->pairwise_ciphers & WPA_CIPHER_WEP104)
6696 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
6697 if (params->pairwise_ciphers & WPA_CIPHER_WEP40)
6698 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
6699 if (num_suites) {
6700 NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
6701 num_suites * sizeof(u32), suites);
6702 }
6703
b92e08fc
JM		 6704 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
6705 params->group_cipher);
b11d1d64
JM		 6706 switch (params->group_cipher) {
6707 case WPA_CIPHER_CCMP:
6708 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6709 WLAN_CIPHER_SUITE_CCMP);
6710 break;
eb7719ff
JM		 6711 case WPA_CIPHER_GCMP:
6712 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6713 WLAN_CIPHER_SUITE_GCMP);
6714 break;
b11d1d64
JM		 6715 case WPA_CIPHER_TKIP:
6716 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6717 WLAN_CIPHER_SUITE_TKIP);
6718 break;
6719 case WPA_CIPHER_WEP104:
6720 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6721 WLAN_CIPHER_SUITE_WEP104);
6722 break;
6723 case WPA_CIPHER_WEP40:
6724 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
6725 WLAN_CIPHER_SUITE_WEP40);
6726 break;
6727 }
d2440ba0 6728
fb91db56 6729 if (params->beacon_ies) {
b92e08fc
JM		 6730 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
6731 params->beacon_ies);
fb91db56
JM		 6732 NLA_PUT(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies),
6733 wpabuf_head(params->beacon_ies));
6734 }
6735 if (params->proberesp_ies) {
b92e08fc
JM		 6736 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
6737 params->proberesp_ies);
fb91db56
JM		 6738 NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP,
6739 wpabuf_len(params->proberesp_ies),
6740 wpabuf_head(params->proberesp_ies));
6741 }
6742 if (params->assocresp_ies) {
b92e08fc
JM		 6743 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
6744 params->assocresp_ies);
fb91db56
JM		 6745 NLA_PUT(msg, NL80211_ATTR_IE_ASSOC_RESP,
6746 wpabuf_len(params->assocresp_ies),
6747 wpabuf_head(params->assocresp_ies));
6748 }
6749
a0133ee1 6750 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 6751 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
6752 params->ap_max_inactivity);
a0133ee1
VT		 6753 NLA_PUT_U16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
6754 params->ap_max_inactivity);
6755 }
6756
d2440ba0
JM		 6757 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6758 if (ret) {
6759 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
6760 ret, strerror(-ret));
b4fd6fab 6761 } else {
b4fd6fab 6762 bss->beacon_set = 1;
31357268 6763 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 6764 params->short_slot_time, params->ht_opmode,
e5693c47 6765 params->isolate, params->basic_rates);
b4fd6fab 6766 }
d2440ba0
JM		 6767 return ret;
6768 nla_put_failure:
5883168a 6769 nlmsg_free(msg);
d2440ba0
JM		 6770 return -ENOBUFS;
6771}
6772
6773
1c4ffa87
AO		 6774static int nl80211_put_freq_params(struct nl_msg *msg,
6775 struct hostapd_freq_params *freq)
1581b38b 6776{
89b800d7
JB		 6777 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq);
6778 if (freq->vht_enabled) {
6779 switch (freq->bandwidth) {
6780 case 20:
6781 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6782 NL80211_CHAN_WIDTH_20);
6783 break;
6784 case 40:
6785 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6786 NL80211_CHAN_WIDTH_40);
6787 break;
6788 case 80:
6789 if (freq->center_freq2)
6790 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6791 NL80211_CHAN_WIDTH_80P80);
6792 else
6793 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6794 NL80211_CHAN_WIDTH_80);
6795 break;
6796 case 160:
6797 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
6798 NL80211_CHAN_WIDTH_160);
6799 break;
6800 default:
1c4ffa87 6801 return -EINVAL;
89b800d7
JB		 6802 }
6803 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1);
6804 if (freq->center_freq2)
6805 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2,
6806 freq->center_freq2);
6807 } else if (freq->ht_enabled) {
6808 switch (freq->sec_channel_offset) {
f019981a
JM		 6809 case -1:
6810 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6811 NL80211_CHAN_HT40MINUS);
6812 break;
6813 case 1:
6814 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6815 NL80211_CHAN_HT40PLUS);
6816 break;
6817 default:
6818 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
6819 NL80211_CHAN_HT20);
6820 break;
6821 }
6822 }
1c4ffa87
AO		 6823 return 0;
6824
6825nla_put_failure:
6826 return -ENOBUFS;
6827}
6828
6829
6830static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
6831 struct hostapd_freq_params *freq)
6832{
6833 struct wpa_driver_nl80211_data *drv = bss->drv;
6834 struct nl_msg *msg;
6835 int ret;
6836
6837 wpa_printf(MSG_DEBUG,
6838 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
6839 freq->freq, freq->ht_enabled, freq->vht_enabled,
6840 freq->bandwidth, freq->center_freq1, freq->center_freq2);
6841 msg = nlmsg_alloc();
6842 if (!msg)
6843 return -1;
6844
6845 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
6846
6847 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6848 if (nl80211_put_freq_params(msg, freq) < 0)
6849 goto nla_put_failure;
1581b38b 6850
d2440ba0 6851 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6852 msg = NULL;
e4fb2167 6853 if (ret == 0) {
89b800d7 6854 bss->freq = freq->freq;
1581b38b 6855 return 0;
e4fb2167 6856 }
f019981a 6857 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 6858 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b 6859nla_put_failure:
5883168a 6860 nlmsg_free(msg);
1581b38b
JM		 6861 return -1;
6862}
6863
0f4e8b4f 6864
95ab6063
AN		 6865static u32 sta_flags_nl80211(int flags)
6866{
6867 u32 f = 0;
6868
6869 if (flags & WPA_STA_AUTHORIZED)
6870 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
6871 if (flags & WPA_STA_WMM)
6872 f |= BIT(NL80211_STA_FLAG_WME);
6873 if (flags & WPA_STA_SHORT_PREAMBLE)
6874 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
6875 if (flags & WPA_STA_MFP)
6876 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 6877 if (flags & WPA_STA_TDLS_PEER)
6878 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
95ab6063
AN		 6879
6880 return f;
6881}
6882
6883
62847751 6884static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 6885 struct hostapd_sta_add_params *params)
6886{
a2e40bb6
FF		 6887 struct i802_bss *bss = priv;
6888 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 6889 struct nl_msg *msg;
95ab6063 6890 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 6891 int ret = -ENOBUFS;
6892
45b722f1
AN		 6893 if ((params->flags & WPA_STA_TDLS_PEER) &&
6894 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6895 return -EOPNOTSUPP;
6896
0f4e8b4f
JM		 6897 msg = nlmsg_alloc();
6898 if (!msg)
6899 return -ENOMEM;
6900
e4dea253
JM		 6901 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
6902 params->set ? "Set" : "Add", MAC2STR(params->addr));
45b722f1
AN		 6903 nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION :
6904 NL80211_CMD_NEW_STATION);
0f4e8b4f 6905
62847751 6906 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
0f4e8b4f 6907 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr);
0f4e8b4f
JM		 6908 NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len,
6909 params->supp_rates);
e4dea253
JM		 6910 wpa_hexdump(MSG_DEBUG, " * supported rates", params->supp_rates,
6911 params->supp_rates_len);
45b722f1 6912 if (!params->set) {
f11b72c3
JM		 6913 if (params->aid) {
6914 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
6915 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid);
6916 } else {
6917 /*
6918 * cfg80211 validates that AID is non-zero, so we have
6919 * to make this a non-zero value for the TDLS case where
6920 * a dummy STA entry is used for now.
6921 */
6922 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
6923 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, 1);
6924 }
e4dea253
JM		 6925 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
6926 params->listen_interval);
45b722f1
AN		 6927 NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
6928 params->listen_interval);
e112764e
JM		 6929 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
6930 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
6931 NLA_PUT_U16(msg, NL80211_ATTR_PEER_AID, params->aid);
45b722f1 6932 }
0f4e8b4f 6933 if (params->ht_capabilities) {
e4dea253
JM		 6934 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
6935 (u8 *) params->ht_capabilities,
6936 sizeof(*params->ht_capabilities));
0f4e8b4f 6937 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY,
fc4e2d95
JM		 6938 sizeof(*params->ht_capabilities),
6939 params->ht_capabilities);
0f4e8b4f 6940 }
0f4e8b4f 6941
05a8d422 6942 if (params->vht_capabilities) {
e4dea253
JM		 6943 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
6944 (u8 *) params->vht_capabilities,
6945 sizeof(*params->vht_capabilities));
05a8d422
JB		 6946 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY,
6947 sizeof(*params->vht_capabilities),
6948 params->vht_capabilities);
6949 }
6950
122d16f2
SD		 6951 wpa_printf(MSG_DEBUG, " * capability=0x%x", params->capability);
6952 NLA_PUT_U16(msg, NL80211_ATTR_STA_CAPABILITY, params->capability);
6953
6954 if (params->ext_capab) {
6955 wpa_hexdump(MSG_DEBUG, " * ext_capab",
6956 params->ext_capab, params->ext_capab_len);
6957 NLA_PUT(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
6958 params->ext_capab_len, params->ext_capab);
6959 }
6960
95ab6063
AN		 6961 os_memset(&upd, 0, sizeof(upd));
6962 upd.mask = sta_flags_nl80211(params->flags);
6963 upd.set = upd.mask;
e4dea253
JM		 6964 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
6965 upd.set, upd.mask);
95ab6063
AN		 6966 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
6967
774bfa62 6968 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 6969 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
6970
774bfa62
EP		 6971 if (!wme)
6972 goto nla_put_failure;
6973
e4dea253 6974 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
8970bae8 6975 NLA_PUT_U8(msg, NL80211_STA_WME_UAPSD_QUEUES,
5d061637 6976 params->qosinfo & WMM_QOSINFO_STA_AC_MASK);
8970bae8 6977 NLA_PUT_U8(msg, NL80211_STA_WME_MAX_SP,
bdaf1748 6978 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
5d061637 6979 WMM_QOSINFO_STA_SP_MASK);
8970bae8 6980 nla_nest_end(msg, wme);
774bfa62
EP		 6981 }
6982
0f4e8b4f 6983 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 6984 msg = NULL;
0f4e8b4f 6985 if (ret)
45b722f1
AN		 6986 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
6987 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
6988 strerror(-ret));
0f4e8b4f
JM		 6989 if (ret == -EEXIST)
6990 ret = 0;
6991 nla_put_failure:
5883168a 6992 nlmsg_free(msg);
0f4e8b4f
JM		 6993 return ret;
6994}
6995
6996
9ebce9c5 6997static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr)
0f4e8b4f 6998{
a2e40bb6 6999 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 7000 struct nl_msg *msg;
7001 int ret;
7002
7003 msg = nlmsg_alloc();
7004 if (!msg)
7005 return -ENOMEM;
7006
9fb04070 7007 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
0f4e8b4f
JM		 7008
7009 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 7010 if_nametoindex(bss->ifname));
0f4e8b4f
JM		 7011 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7012
7013 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 7014 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
7015 " --> %d (%s)",
7016 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
0f4e8b4f
JM		 7017 if (ret == -ENOENT)
7018 return 0;
7019 return ret;
7020 nla_put_failure:
5883168a 7021 nlmsg_free(msg);
0f4e8b4f
JM		 7022 return -ENOBUFS;
7023}
7024
1581b38b 7025
0915d02c
JM		 7026static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
7027 int ifidx)
7028{
7029 struct nl_msg *msg;
7030
c6e8e8e4
JM		 7031 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
7032
2135f224
JM		 7033 /* stop listening for EAPOL on this interface */
7034 del_ifidx(drv, ifidx);
2135f224 7035
0915d02c
JM		 7036 msg = nlmsg_alloc();
7037 if (!msg)
7038 goto nla_put_failure;
7039
9fb04070 7040 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 7041 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx);
7042
7043 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
7044 return;
5883168a 7045 msg = NULL;
0915d02c 7046 nla_put_failure:
5883168a 7047 nlmsg_free(msg);
e748062b 7048 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 7049}
7050
7051
a1922f93
JM		 7052static const char * nl80211_iftype_str(enum nl80211_iftype mode)
7053{
7054 switch (mode) {
7055 case NL80211_IFTYPE_ADHOC:
7056 return "ADHOC";
7057 case NL80211_IFTYPE_STATION:
7058 return "STATION";
7059 case NL80211_IFTYPE_AP:
7060 return "AP";
1045ec36
JM		 7061 case NL80211_IFTYPE_AP_VLAN:
7062 return "AP_VLAN";
7063 case NL80211_IFTYPE_WDS:
7064 return "WDS";
a1922f93
JM		 7065 case NL80211_IFTYPE_MONITOR:
7066 return "MONITOR";
1045ec36
JM		 7067 case NL80211_IFTYPE_MESH_POINT:
7068 return "MESH_POINT";
a1922f93
JM		 7069 case NL80211_IFTYPE_P2P_CLIENT:
7070 return "P2P_CLIENT";
7071 case NL80211_IFTYPE_P2P_GO:
7072 return "P2P_GO";
7aad838c
NS		 7073 case NL80211_IFTYPE_P2P_DEVICE:
7074 return "P2P_DEVICE";
a1922f93
JM		 7075 default:
7076 return "unknown";
7077 }
7078}
7079
7080
a35187e7
KH		 7081static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
7082 const char *ifname,
7083 enum nl80211_iftype iftype,
d6dcfcda
DS		 7084 const u8 *addr, int wds,
7085 int (*handler)(struct nl_msg *, void *),
7086 void *arg)
0915d02c 7087{
8970bae8 7088 struct nl_msg *msg;
0915d02c
JM		 7089 int ifidx;
7090 int ret = -ENOBUFS;
7091
a1922f93
JM		 7092 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
7093 iftype, nl80211_iftype_str(iftype));
7094
0915d02c
JM		 7095 msg = nlmsg_alloc();
7096 if (!msg)
7097 return -1;
7098
9fb04070 7099 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_INTERFACE);
834ee56f 7100 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
fa93de40 7101 goto nla_put_failure;
0915d02c
JM		 7102 NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname);
7103 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype);
7104
7105 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 7106 struct nlattr *flags;
0915d02c 7107
8970bae8 7108 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
0915d02c
JM		 7109 if (!flags)
7110 goto nla_put_failure;
7111
8970bae8 7112 NLA_PUT_FLAG(msg, NL80211_MNTR_FLAG_COOK_FRAMES);
0915d02c 7113
8970bae8 7114 nla_nest_end(msg, flags);
fbbfcbac
FF		 7115 } else if (wds) {
7116 NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds);
0915d02c
JM		 7117 }
7118
d6dcfcda 7119 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 7120 msg = NULL;
0915d02c
JM		 7121 if (ret) {
7122 nla_put_failure:
5883168a 7123 nlmsg_free(msg);
a35187e7
KH		 7124 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
7125 ifname, ret, strerror(-ret));
0915d02c
JM		 7126 return ret;
7127 }
7128
f632e483 7129 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 7130 return 0;
6bae92e0 7131
0915d02c 7132 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 7133 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
7134 ifname, ifidx);
0915d02c
JM		 7135
7136 if (ifidx <= 0)
7137 return -1;
7138
2135f224
JM		 7139 /* start listening for EAPOL on this interface */
7140 add_ifidx(drv, ifidx);
7141
7bfc47c3 7142 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 7143 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 7144 nl80211_remove_iface(drv, ifidx);
7145 return -1;
2135f224 7146 }
2135f224 7147
0915d02c
JM		 7148 return ifidx;
7149}
22a7c9d7
JM		 7150
7151
a35187e7
KH		 7152static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
7153 const char *ifname, enum nl80211_iftype iftype,
d6dcfcda
DS		 7154 const u8 *addr, int wds,
7155 int (*handler)(struct nl_msg *, void *),
2aec4f3c 7156 void *arg, int use_existing)
a35187e7
KH		 7157{
7158 int ret;
7159
d6dcfcda
DS		 7160 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
7161 arg);
a35187e7 7162
ffbf1eaa 7163 /* if error occurred and interface exists already */
a35187e7 7164 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 7165 if (use_existing) {
7166 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
7167 ifname);
7168 return -ENFILE;
7169 }
a35187e7
KH		 7170 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
7171
7172 /* Try to remove the interface that was already there. */
7173 nl80211_remove_iface(drv, if_nametoindex(ifname));
7174
7175 /* Try to create the interface again */
fbbfcbac 7176 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 7177 wds, handler, arg);
a35187e7
KH		 7178 }
7179
6a71413e 7180 if (ret >= 0 && is_p2p_net_interface(iftype))
4e5cb1a3
JM		 7181 nl80211_disable_11b_rates(drv, ret, 1);
7182
a35187e7
KH		 7183 return ret;
7184}
0915d02c 7185
2135f224 7186
0915d02c
JM		 7187static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok)
7188{
7189 struct ieee80211_hdr *hdr;
f8b1f695
JM		 7190 u16 fc;
7191 union wpa_event_data event;
0915d02c
JM		 7192
7193 hdr = (struct ieee80211_hdr *) buf;
7194 fc = le_to_host16(hdr->frame_control);
7195
f8b1f695
JM		 7196 os_memset(&event, 0, sizeof(event));
7197 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
7198 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
7199 event.tx_status.dst = hdr->addr1;
7200 event.tx_status.data = buf;
7201 event.tx_status.data_len = len;
7202 event.tx_status.ack = ok;
7203 wpa_supplicant_event(ctx, EVENT_TX_STATUS, &event);
0915d02c
JM		 7204}
7205
7206
4b9841d3 7207static void from_unknown_sta(struct wpa_driver_nl80211_data *drv,
0d9fc3d8 7208 u8 *buf, size_t len)
0915d02c 7209{
9b90955e
JB		 7210 struct ieee80211_hdr *hdr = (void *)buf;
7211 u16 fc;
f8b1f695 7212 union wpa_event_data event;
9b90955e
JB		 7213
7214 if (len < sizeof(*hdr))
7215 return;
7216
7217 fc = le_to_host16(hdr->frame_control);
7218
f8b1f695 7219 os_memset(&event, 0, sizeof(event));
9b90955e
JB		 7220 event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len);
7221 event.rx_from_unknown.addr = hdr->addr2;
7222 event.rx_from_unknown.wds = (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) ==
7223 (WLAN_FC_FROMDS | WLAN_FC_TODS);
f8b1f695 7224 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
4b9841d3 7225}
0915d02c 7226
4b9841d3
JM		 7227
7228static void handle_frame(struct wpa_driver_nl80211_data *drv,
2a8b7416 7229 u8 *buf, size_t len, int datarate, int ssi_signal)
4b9841d3
JM		 7230{
7231 struct ieee80211_hdr *hdr;
f8b1f695
JM		 7232 u16 fc;
7233 union wpa_event_data event;
0915d02c
JM		 7234
7235 hdr = (struct ieee80211_hdr *) buf;
7236 fc = le_to_host16(hdr->frame_control);
0915d02c 7237
4b9841d3 7238 switch (WLAN_FC_GET_TYPE(fc)) {
0915d02c 7239 case WLAN_FC_TYPE_MGMT:
f8b1f695
JM		 7240 os_memset(&event, 0, sizeof(event));
7241 event.rx_mgmt.frame = buf;
7242 event.rx_mgmt.frame_len = len;
2a8b7416
JM		 7243 event.rx_mgmt.datarate = datarate;
7244 event.rx_mgmt.ssi_signal = ssi_signal;
f8b1f695 7245 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
0915d02c
JM		 7246 break;
7247 case WLAN_FC_TYPE_CTRL:
7248 /* can only get here with PS-Poll frames */
7249 wpa_printf(MSG_DEBUG, "CTRL");
0d9fc3d8 7250 from_unknown_sta(drv, buf, len);
0915d02c
JM		 7251 break;
7252 case WLAN_FC_TYPE_DATA:
0d9fc3d8 7253 from_unknown_sta(drv, buf, len);
0915d02c
JM		 7254 break;
7255 }
7256}
7257
7258
7259static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
7260{
7261 struct wpa_driver_nl80211_data *drv = eloop_ctx;
7262 int len;
7263 unsigned char buf[3000];
7264 struct ieee80211_radiotap_iterator iter;
7265 int ret;
2a8b7416 7266 int datarate = 0, ssi_signal = 0;
4b9841d3 7267 int injected = 0, failed = 0, rxflags = 0;
0915d02c
JM		 7268
7269 len = recv(sock, buf, sizeof(buf), 0);
7270 if (len < 0) {
7ac3616d
JM		 7271 wpa_printf(MSG_ERROR, "nl80211: Monitor socket recv failed: %s",
7272 strerror(errno));
0915d02c
JM		 7273 return;
7274 }
7275
7276 if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) {
7ac3616d 7277 wpa_printf(MSG_INFO, "nl80211: received invalid radiotap frame");
0915d02c
JM		 7278 return;
7279 }
7280
0915d02c
JM		 7281 while (1) {
7282 ret = ieee80211_radiotap_iterator_next(&iter);
7283 if (ret == -ENOENT)
7284 break;
7285 if (ret) {
7ac3616d
JM		 7286 wpa_printf(MSG_INFO, "nl80211: received invalid radiotap frame (%d)",
7287 ret);
0915d02c
JM		 7288 return;
7289 }
7290 switch (iter.this_arg_index) {
7291 case IEEE80211_RADIOTAP_FLAGS:
7292 if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS)
7293 len -= 4;
7294 break;
7295 case IEEE80211_RADIOTAP_RX_FLAGS:
7296 rxflags = 1;
7297 break;
7298 case IEEE80211_RADIOTAP_TX_FLAGS:
7299 injected = 1;
7300 failed = le_to_host16((*(uint16_t *) iter.this_arg)) &
7301 IEEE80211_RADIOTAP_F_TX_FAIL;
7302 break;
7303 case IEEE80211_RADIOTAP_DATA_RETRIES:
7304 break;
7305 case IEEE80211_RADIOTAP_CHANNEL:
2a8b7416 7306 /* TODO: convert from freq/flags to channel number */
0915d02c
JM		 7307 break;
7308 case IEEE80211_RADIOTAP_RATE:
2a8b7416 7309 datarate = *iter.this_arg * 5;
0915d02c 7310 break;
baf513d6
JB		 7311 case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
7312 ssi_signal = (s8) *iter.this_arg;
0915d02c
JM		 7313 break;
7314 }
7315 }
7316
7317 if (rxflags && injected)
7318 return;
7319
7320 if (!injected)
4b9841d3 7321 handle_frame(drv, buf + iter.max_length,
2a8b7416 7322 len - iter.max_length, datarate, ssi_signal);
0915d02c 7323 else
4b9841d3
JM		 7324 handle_tx_callback(drv->ctx, buf + iter.max_length,
7325 len - iter.max_length, !failed);
0915d02c
JM		 7326}
7327
7328
7329/*
7330 * we post-process the filter code later and rewrite
7331 * this to the offset to the last instruction
7332 */
7333#define PASS 0xFF
7334#define FAIL 0xFE
7335
7336static struct sock_filter msock_filter_insns[] = {
7337 /*
7338 * do a little-endian load of the radiotap length field
7339 */
7340 /* load lower byte into A */
7341 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
7342 /* put it into X (== index register) */
7343 BPF_STMT(BPF_MISC| BPF_TAX, 0),
7344 /* load upper byte into A */
7345 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 3),
7346 /* left-shift it by 8 */
7347 BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 8),
7348 /* or with X */
7349 BPF_STMT(BPF_ALU | BPF_OR | BPF_X, 0),
7350 /* put result into X */
7351 BPF_STMT(BPF_MISC| BPF_TAX, 0),
7352
7353 /*
7354 * Allow management frames through, this also gives us those
7355 * management frames that we sent ourselves with status
7356 */
7357 /* load the lower byte of the IEEE 802.11 frame control field */
7358 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7359 /* mask off frame type and version */
7360 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xF),
7361 /* accept frame if it's both 0, fall through otherwise */
7362 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, PASS, 0),
7363
7364 /*
7365 * TODO: add a bit to radiotap RX flags that indicates
7366 * that the sending station is not associated, then
7367 * add a filter here that filters on our DA and that flag
7368 * to allow us to deauth frames to that bad station.
7369 *
65ae1afd 7370 * For now allow all To DS data frames through.
0915d02c 7371 */
65ae1afd
HS		 7372 /* load the IEEE 802.11 frame control field */
7373 BPF_STMT(BPF_LD | BPF_H | BPF_IND, 0),
7374 /* mask off frame type, version and DS status */
7375 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03),
7376 /* accept frame if version 0, type 2 and To DS, fall through otherwise
7377 */
7378 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0),
0915d02c
JM		 7379
7380#if 0
7381 /*
fbbfcbac 7382 * drop non-data frames
0915d02c
JM		 7383 */
7384 /* load the lower byte of the frame control field */
7385 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7386 /* mask off QoS bit */
7387 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c),
7388 /* drop non-data frames */
7389 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL),
fbbfcbac 7390#endif
0915d02c 7391 /* load the upper byte of the frame control field */
fbbfcbac 7392 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1),
0915d02c
JM		 7393 /* mask off toDS/fromDS */
7394 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03),
fbbfcbac
FF		 7395 /* accept WDS frames */
7396 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, PASS, 0),
0915d02c
JM		 7397
7398 /*
7399 * add header length to index
7400 */
7401 /* load the lower byte of the frame control field */
7402 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7403 /* mask off QoS bit */
7404 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x80),
7405 /* right shift it by 6 to give 0 or 2 */
7406 BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 6),
7407 /* add data frame header length */
7408 BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 24),
7409 /* add index, was start of 802.11 header */
7410 BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
7411 /* move to index, now start of LL header */
7412 BPF_STMT(BPF_MISC | BPF_TAX, 0),
7413
7414 /*
7415 * Accept empty data frames, we use those for
7416 * polling activity.
7417 */
7418 BPF_STMT(BPF_LD | BPF_W | BPF_LEN, 0),
7419 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, PASS, 0),
7420
7421 /*
7422 * Accept EAPOL frames
7423 */
7424 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0),
7425 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0xAAAA0300, 0, FAIL),
7426 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 4),
7427 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0000888E, PASS, FAIL),
7428
7429 /* keep these last two statements or change the code below */
7430 /* return 0 == "DROP" */
7431 BPF_STMT(BPF_RET | BPF_K, 0),
7432 /* return ~0 == "keep all" */
7433 BPF_STMT(BPF_RET | BPF_K, ~0),
7434};
7435
7436static struct sock_fprog msock_filter = {
e7ecab4a 7437 .len = ARRAY_SIZE(msock_filter_insns),
0915d02c
JM		 7438 .filter = msock_filter_insns,
7439};
7440
7441
7442static int add_monitor_filter(int s)
7443{
7444 int idx;
7445
7446 /* rewrite all PASS/FAIL jump offsets */
7447 for (idx = 0; idx < msock_filter.len; idx++) {
7448 struct sock_filter *insn = &msock_filter_insns[idx];
7449
7450 if (BPF_CLASS(insn->code) == BPF_JMP) {
7451 if (insn->code == (BPF_JMP|BPF_JA)) {
7452 if (insn->k == PASS)
7453 insn->k = msock_filter.len - idx - 2;
7454 else if (insn->k == FAIL)
7455 insn->k = msock_filter.len - idx - 3;
7456 }
7457
7458 if (insn->jt == PASS)
7459 insn->jt = msock_filter.len - idx - 2;
7460 else if (insn->jt == FAIL)
7461 insn->jt = msock_filter.len - idx - 3;
7462
7463 if (insn->jf == PASS)
7464 insn->jf = msock_filter.len - idx - 2;
7465 else if (insn->jf == FAIL)
7466 insn->jf = msock_filter.len - idx - 3;
7467 }
7468 }
7469
7470 if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER,
7471 &msock_filter, sizeof(msock_filter))) {
7ac3616d
JM		 7472 wpa_printf(MSG_ERROR, "nl80211: setsockopt(SO_ATTACH_FILTER) failed: %s",
7473 strerror(errno));
0915d02c
JM		 7474 return -1;
7475 }
7476
7477 return 0;
7478}
7479
7480
460456f8
JM		 7481static void nl80211_remove_monitor_interface(
7482 struct wpa_driver_nl80211_data *drv)
7483{
748c0ac0
JM		 7484 if (drv->monitor_refcount > 0)
7485 drv->monitor_refcount--;
7486 wpa_printf(MSG_DEBUG, "nl80211: Remove monitor interface: refcount=%d",
7487 drv->monitor_refcount);
3fd1cefb
JB		 7488 if (drv->monitor_refcount > 0)
7489 return;
7490
460456f8
JM		 7491 if (drv->monitor_ifidx >= 0) {
7492 nl80211_remove_iface(drv, drv->monitor_ifidx);
7493 drv->monitor_ifidx = -1;
7494 }
504e905c
JM		 7495 if (drv->monitor_sock >= 0) {
7496 eloop_unregister_read_sock(drv->monitor_sock);
7497 close(drv->monitor_sock);
7498 drv->monitor_sock = -1;
7499 }
460456f8
JM		 7500}
7501
7502
0915d02c
JM		 7503static int
7504nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv)
7505{
7506 char buf[IFNAMSIZ];
7507 struct sockaddr_ll ll;
7508 int optval;
7509 socklen_t optlen;
0915d02c 7510
3fd1cefb
JB		 7511 if (drv->monitor_ifidx >= 0) {
7512 drv->monitor_refcount++;
748c0ac0
JM		 7513 wpa_printf(MSG_DEBUG, "nl80211: Re-use existing monitor interface: refcount=%d",
7514 drv->monitor_refcount);
3fd1cefb
JB		 7515 return 0;
7516 }
7517
834ee56f 7518 if (os_strncmp(drv->first_bss->ifname, "p2p-", 4) == 0) {
6758b167
JJ		 7519 /*
7520 * P2P interface name is of the format p2p-%s-%d. For monitor
7521 * interface name corresponding to P2P GO, replace "p2p-" with
7522 * "mon-" to retain the same interface name length and to
7523 * indicate that it is a monitor interface.
7524 */
834ee56f 7525 snprintf(buf, IFNAMSIZ, "mon-%s", drv->first_bss->ifname + 4);
6758b167
JJ		 7526 } else {
7527 /* Non-P2P interface with AP functionality. */
834ee56f 7528 snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss->ifname);
6758b167
JJ		 7529 }
7530
0915d02c
JM		 7531 buf[IFNAMSIZ - 1] = '\0';
7532
7533 drv->monitor_ifidx =
fbbfcbac 7534 nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL,
2aec4f3c 7535 0, NULL, NULL, 0);
0915d02c 7536
866af8b6 7537 if (drv->monitor_ifidx == -EOPNOTSUPP) {
61cbe2ff
JB		 7538 /*
7539 * This is backward compatibility for a few versions of
7540 * the kernel only that didn't advertise the right
7541 * attributes for the only driver that then supported
7542 * AP mode w/o monitor -- ath6kl.
7543 */
866af8b6
JM		 7544 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support "
7545 "monitor interface type - try to run without it");
61cbe2ff 7546 drv->device_ap_sme = 1;
866af8b6
JM		 7547 }
7548
0915d02c
JM		 7549 if (drv->monitor_ifidx < 0)
7550 return -1;
7551
c81eff1a 7552 if (linux_set_iface_flags(drv->global->ioctl_sock, buf, 1))
0915d02c 7553 goto error;
0915d02c
JM		 7554
7555 memset(&ll, 0, sizeof(ll));
7556 ll.sll_family = AF_PACKET;
7557 ll.sll_ifindex = drv->monitor_ifidx;
7558 drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
7559 if (drv->monitor_sock < 0) {
7ac3616d
JM		 7560 wpa_printf(MSG_ERROR, "nl80211: socket[PF_PACKET,SOCK_RAW] failed: %s",
7561 strerror(errno));
0915d02c
JM		 7562 goto error;
7563 }
7564
7565 if (add_monitor_filter(drv->monitor_sock)) {
7566 wpa_printf(MSG_INFO, "Failed to set socket filter for monitor "
7567 "interface; do filtering in user space");
7568 /* This works, but will cost in performance. */
7569 }
7570
2135f224 7571 if (bind(drv->monitor_sock, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
7ac3616d
JM		 7572 wpa_printf(MSG_ERROR, "nl80211: monitor socket bind failed: %s",
7573 strerror(errno));
0915d02c
JM		 7574 goto error;
7575 }
7576
7577 optlen = sizeof(optval);
7578 optval = 20;
7579 if (setsockopt
7580 (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) {
7ac3616d
JM		 7581 wpa_printf(MSG_ERROR, "nl80211: Failed to set socket priority: %s",
7582 strerror(errno));
0915d02c
JM		 7583 goto error;
7584 }
7585
7586 if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read,
7587 drv, NULL)) {
7ac3616d 7588 wpa_printf(MSG_INFO, "nl80211: Could not register monitor read socket");
0915d02c
JM		 7589 goto error;
7590 }
7591
748c0ac0 7592 drv->monitor_refcount++;
0915d02c
JM		 7593 return 0;
7594 error:
460456f8 7595 nl80211_remove_monitor_interface(drv);
0915d02c
JM		 7596 return -1;
7597}
7598
db149ac9 7599
3fd1cefb
JB		 7600static int nl80211_setup_ap(struct i802_bss *bss)
7601{
7602 struct wpa_driver_nl80211_data *drv = bss->drv;
7603
748c0ac0
JM		 7604 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
7605 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 7606
a11241fa
JB		 7607 /*
7608 * Disable Probe Request reporting unless we need it in this way for
7609 * devices that include the AP SME, in the other case (unless using
7610 * monitor iface) we'll get it through the nl_mgmt socket instead.
7611 */
7612 if (!drv->device_ap_sme)
7613 wpa_driver_nl80211_probe_req_report(bss, 0);
7614
7615 if (!drv->device_ap_sme && !drv->use_monitor)
7616 if (nl80211_mgmt_subscribe_ap(bss))
7617 return -1;
7618
a6cc0602
JM		 7619 if (drv->device_ap_sme && !drv->use_monitor)
7620 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
7621 return -1;
7622
a11241fa 7623 if (!drv->device_ap_sme && drv->use_monitor &&
3fd1cefb
JB		 7624 nl80211_create_monitor_interface(drv) &&
7625 !drv->device_ap_sme)
7626 return -1;
7627
7628 if (drv->device_ap_sme &&
7629 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
7630 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
7631 "Probe Request frame reporting in AP mode");
7632 /* Try to survive without this */
7633 }
7634
7635 return 0;
7636}
7637
7638
7639static void nl80211_teardown_ap(struct i802_bss *bss)
7640{
7641 struct wpa_driver_nl80211_data *drv = bss->drv;
7642
748c0ac0
JM		 7643 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
7644 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 7645 if (drv->device_ap_sme) {
3fd1cefb 7646 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 7647 if (!drv->use_monitor)
7648 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
7649 } else if (drv->use_monitor)
3fd1cefb 7650 nl80211_remove_monitor_interface(drv);
a11241fa 7651 else
36488c05 7652 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 7653
3fd1cefb
JB		 7654 bss->beacon_set = 0;
7655}
7656
7657
f10bfc9a
JM		 7658static int nl80211_send_eapol_data(struct i802_bss *bss,
7659 const u8 *addr, const u8 *data,
d12dab4c 7660 size_t data_len)
f10bfc9a 7661{
d12dab4c
JB		 7662 struct sockaddr_ll ll;
7663 int ret;
7664
7665 if (bss->drv->eapol_tx_sock < 0) {
7666 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 7667 return -1;
7668 }
7669
d12dab4c
JB		 7670 os_memset(&ll, 0, sizeof(ll));
7671 ll.sll_family = AF_PACKET;
7672 ll.sll_ifindex = bss->ifindex;
7673 ll.sll_protocol = htons(ETH_P_PAE);
7674 ll.sll_halen = ETH_ALEN;
7675 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
7676 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
7677 (struct sockaddr *) &ll, sizeof(ll));
7678 if (ret < 0)
7679 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
7680 strerror(errno));
7681
7682 return ret;
f10bfc9a 7683}
5fb1a232 7684
f10bfc9a 7685
db149ac9
JM		 7686static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
7687
7688static int wpa_driver_nl80211_hapd_send_eapol(
7689 void *priv, const u8 *addr, const u8 *data,
4378fc14 7690 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 7691{
a2e40bb6
FF		 7692 struct i802_bss *bss = priv;
7693 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 7694 struct ieee80211_hdr *hdr;
7695 size_t len;
7696 u8 *pos;
7697 int res;
4378fc14 7698 int qos = flags & WPA_STA_WMM;
db149ac9 7699
a11241fa 7700 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 7701 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 7702
db149ac9
JM		 7703 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
7704 data_len;
7705 hdr = os_zalloc(len);
7706 if (hdr == NULL) {
7ac3616d
JM		 7707 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
7708 (unsigned long) len);
db149ac9
JM		 7709 return -1;
7710 }
7711
7712 hdr->frame_control =
7713 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
7714 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
7715 if (encrypt)
7716 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 7717 if (qos) {
7718 hdr->frame_control |=
7719 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
7720 }
db149ac9
JM		 7721
7722 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
7723 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
7724 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
7725 pos = (u8 *) (hdr + 1);
7726
db149ac9 7727 if (qos) {
92d521d8
FF		 7728 /* Set highest priority in QoS header */
7729 pos[0] = 7;
db149ac9
JM		 7730 pos[1] = 0;
7731 pos += 2;
7732 }
db149ac9
JM		 7733
7734 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
7735 pos += sizeof(rfc1042_header);
7736 WPA_PUT_BE16(pos, ETH_P_PAE);
7737 pos += 2;
7738 memcpy(pos, data, data_len);
7739
55231068
JM		 7740 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
7741 0, 0, 0, 0);
db149ac9
JM		 7742 if (res < 0) {
7743 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
7744 "failed: %d (%s)",
7745 (unsigned long) len, errno, strerror(errno));
7746 }
7bf12757 7747 os_free(hdr);
db149ac9
JM		 7748
7749 return res;
7750}
7751
a8d6ffa4 7752
3234cba4
JM		 7753static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
7754 int total_flags,
4c32757d 7755 int flags_or, int flags_and)
a8d6ffa4 7756{
a2e40bb6
FF		 7757 struct i802_bss *bss = priv;
7758 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 7759 struct nl_msg *msg;
7760 struct nlattr *flags;
7e76ee9c 7761 struct nl80211_sta_flag_update upd;
a8d6ffa4
JM		 7762
7763 msg = nlmsg_alloc();
7764 if (!msg)
7765 return -ENOMEM;
7766
9fb04070 7767 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
a8d6ffa4
JM		 7768
7769 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
3234cba4 7770 if_nametoindex(bss->ifname));
a8d6ffa4
JM		 7771 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7772
7e76ee9c
JM		 7773 /*
7774 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
7775 * can be removed eventually.
7776 */
8970bae8
JB		 7777 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
7778 if (!flags)
7779 goto nla_put_failure;
0de39516 7780 if (total_flags & WPA_STA_AUTHORIZED)
8970bae8 7781 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_AUTHORIZED);
a8d6ffa4 7782
0de39516 7783 if (total_flags & WPA_STA_WMM)
8970bae8 7784 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_WME);
a8d6ffa4 7785
0de39516 7786 if (total_flags & WPA_STA_SHORT_PREAMBLE)
8970bae8 7787 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_SHORT_PREAMBLE);
a8d6ffa4 7788
0de39516 7789 if (total_flags & WPA_STA_MFP)
8970bae8 7790 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_MFP);
a8d6ffa4 7791
45b722f1 7792 if (total_flags & WPA_STA_TDLS_PEER)
8970bae8 7793 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_TDLS_PEER);
45b722f1 7794
8970bae8 7795 nla_nest_end(msg, flags);
a8d6ffa4 7796
7e76ee9c
JM		 7797 os_memset(&upd, 0, sizeof(upd));
7798 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
7799 upd.set = sta_flags_nl80211(flags_or);
7800 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
7801
a8d6ffa4
JM		 7802 return send_and_recv_msgs(drv, msg, NULL, NULL);
7803 nla_put_failure:
5883168a 7804 nlmsg_free(msg);
a8d6ffa4
JM		 7805 return -ENOBUFS;
7806}
7807
0915d02c 7808
1581b38b
JM		 7809static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
7810 struct wpa_driver_associate_params *params)
7811{
708bc8e0 7812 enum nl80211_iftype nlmode, old_mode;
89b800d7
JB		 7813 struct hostapd_freq_params freq = {
7814 .freq = params->freq,
7815 };
b1f625e0
EP		 7816
7817 if (params->p2p) {
046b26a2
JM		 7818 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
7819 "group (GO)");
b1f625e0
EP		 7820 nlmode = NL80211_IFTYPE_P2P_GO;
7821 } else
7822 nlmode = NL80211_IFTYPE_AP;
7823
708bc8e0 7824 old_mode = drv->nlmode;
834ee56f 7825 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 7826 nl80211_remove_monitor_interface(drv);
7827 return -1;
7828 }
7829
834ee56f 7830 if (wpa_driver_nl80211_set_freq(drv->first_bss, &freq)) {
708bc8e0 7831 if (old_mode != nlmode)
834ee56f 7832 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 7833 nl80211_remove_monitor_interface(drv);
1581b38b 7834 return -1;
0915d02c 7835 }
1581b38b 7836
1581b38b
JM		 7837 return 0;
7838}
1581b38b
JM		 7839
7840
5cc4d64b
JM		 7841static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv)
7842{
7843 struct nl_msg *msg;
7844 int ret = -1;
7845
7846 msg = nlmsg_alloc();
7847 if (!msg)
7848 return -1;
7849
9fb04070 7850 nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b
JM		 7851 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7852 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7853 msg = NULL;
7854 if (ret) {
7855 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
7856 "(%s)", ret, strerror(-ret));
7857 goto nla_put_failure;
7858 }
7859
7860 ret = 0;
7861 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully");
7862
7863nla_put_failure:
834ee56f 7864 if (wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 7865 NL80211_IFTYPE_STATION)) {
7866 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
7867 "station mode");
7868 }
7869
5cc4d64b
JM		 7870 nlmsg_free(msg);
7871 return ret;
7872}
7873
7874
7875static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
7876 struct wpa_driver_associate_params *params)
7877{
7878 struct nl_msg *msg;
7879 int ret = -1;
7880 int count = 0;
7881
7882 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
7883
834ee56f 7884 if (wpa_driver_nl80211_set_mode(drv->first_bss,
b1f625e0 7885 NL80211_IFTYPE_ADHOC)) {
5cc4d64b
JM		 7886 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
7887 "IBSS mode");
7888 return -1;
7889 }
7890
7891retry:
7892 msg = nlmsg_alloc();
7893 if (!msg)
7894 return -1;
7895
9fb04070 7896 nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_IBSS);
5cc4d64b
JM		 7897 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7898
7899 if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
7900 goto nla_put_failure;
7901
7902 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7903 params->ssid, params->ssid_len);
7904 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7905 params->ssid);
7906 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
7907 drv->ssid_len = params->ssid_len;
7908
7909 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7910 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
7911
7912 ret = nl80211_set_conn_keys(params, msg);
7913 if (ret)
7914 goto nla_put_failure;
7915
913e3cf7
NC		 7916 if (params->bssid && params->fixed_bssid) {
7917 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
7918 MAC2STR(params->bssid));
7919 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
7920 }
7921
e640888c
AQ		 7922 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
7923 params->key_mgmt_suite == KEY_MGMT_PSK ||
7924 params->key_mgmt_suite == KEY_MGMT_802_1X_SHA256 ||
7925 params->key_mgmt_suite == KEY_MGMT_PSK_SHA256) {
7926 wpa_printf(MSG_DEBUG, " * control port");
7927 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
7928 }
7929
a95795ad
JM		 7930 if (params->wpa_ie) {
7931 wpa_hexdump(MSG_DEBUG,
7932 " * Extra IEs for Beacon/Probe Response frames",
7933 params->wpa_ie, params->wpa_ie_len);
7934 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
7935 params->wpa_ie);
7936 }
7937
5cc4d64b
JM		 7938 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7939 msg = NULL;
7940 if (ret) {
7941 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
7942 ret, strerror(-ret));
7943 count++;
7944 if (ret == -EALREADY && count == 1) {
7945 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
7946 "forced leave");
7947 nl80211_leave_ibss(drv);
7948 nlmsg_free(msg);
7949 goto retry;
7950 }
7951
7952 goto nla_put_failure;
7953 }
7954 ret = 0;
7955 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully");
7956
7957nla_put_failure:
7958 nlmsg_free(msg);
7959 return ret;
7960}
7961
7962
a8c5b43a 7963static int wpa_driver_nl80211_try_connect(
cfaab580
ZY		 7964 struct wpa_driver_nl80211_data *drv,
7965 struct wpa_driver_associate_params *params)
7966{
7967 struct nl_msg *msg;
7968 enum nl80211_auth_type type;
7969 int ret = 0;
3f360238 7970 int algs;
cfaab580
ZY		 7971
7972 msg = nlmsg_alloc();
7973 if (!msg)
7974 return -1;
7975
7976 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
9fb04070 7977 nl80211_cmd(drv, msg, 0, NL80211_CMD_CONNECT);
cfaab580
ZY		 7978
7979 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7980 if (params->bssid) {
7981 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
7982 MAC2STR(params->bssid));
7983 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
7984 }
7985 if (params->freq) {
7986 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7987 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
30158a0d
SD		 7988 drv->assoc_freq = params->freq;
7989 } else
7990 drv->assoc_freq = 0;
1f6c0ab8
BS		 7991 if (params->bg_scan_period >= 0) {
7992 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
7993 params->bg_scan_period);
7994 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
7995 params->bg_scan_period);
7996 }
cfaab580
ZY		 7997 if (params->ssid) {
7998 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7999 params->ssid, params->ssid_len);
8000 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
8001 params->ssid);
8002 if (params->ssid_len > sizeof(drv->ssid))
8003 goto nla_put_failure;
8004 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
8005 drv->ssid_len = params->ssid_len;
8006 }
8007 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
8008 if (params->wpa_ie)
8009 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
8010 params->wpa_ie);
8011
3f360238
JM		 8012 algs = 0;
8013 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
8014 algs++;
8015 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
8016 algs++;
8017 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
8018 algs++;
8019 if (algs > 1) {
8020 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
8021 "selection");
8022 goto skip_auth_type;
8023 }
8024
abd9fafa 8025 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
cfaab580 8026 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 8027 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
cfaab580 8028 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 8029 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
cfaab580 8030 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 8031 else if (params->auth_alg & WPA_AUTH_ALG_FT)
cfaab580
ZY		 8032 type = NL80211_AUTHTYPE_FT;
8033 else
8034 goto nla_put_failure;
8035
8036 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
8037 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
8038
3f360238 8039skip_auth_type:
64fa840a
JM		 8040 if (params->wpa_proto) {
8041 enum nl80211_wpa_versions ver = 0;
cfaab580 8042
64fa840a
JM		 8043 if (params->wpa_proto & WPA_PROTO_WPA)
8044 ver |= NL80211_WPA_VERSION_1;
8045 if (params->wpa_proto & WPA_PROTO_RSN)
8046 ver |= NL80211_WPA_VERSION_2;
cfaab580 8047
64fa840a 8048 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
cfaab580
ZY		 8049 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
8050 }
8051
8052 if (params->pairwise_suite != CIPHER_NONE) {
c1bb3e0a 8053 int cipher;
cfaab580
ZY		 8054
8055 switch (params->pairwise_suite) {
369c8d7b
JM		 8056 case CIPHER_SMS4:
8057 cipher = WLAN_CIPHER_SUITE_SMS4;
8058 break;
cfaab580
ZY		 8059 case CIPHER_WEP40:
8060 cipher = WLAN_CIPHER_SUITE_WEP40;
8061 break;
8062 case CIPHER_WEP104:
8063 cipher = WLAN_CIPHER_SUITE_WEP104;
8064 break;
8065 case CIPHER_CCMP:
8066 cipher = WLAN_CIPHER_SUITE_CCMP;
8067 break;
eb7719ff
JM		 8068 case CIPHER_GCMP:
8069 cipher = WLAN_CIPHER_SUITE_GCMP;
8070 break;
cfaab580
ZY		 8071 case CIPHER_TKIP:
8072 default:
8073 cipher = WLAN_CIPHER_SUITE_TKIP;
8074 break;
8075 }
8076 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
8077 }
8078
8079 if (params->group_suite != CIPHER_NONE) {
c1bb3e0a 8080 int cipher;
cfaab580
ZY		 8081
8082 switch (params->group_suite) {
369c8d7b
JM		 8083 case CIPHER_SMS4:
8084 cipher = WLAN_CIPHER_SUITE_SMS4;
8085 break;
cfaab580
ZY		 8086 case CIPHER_WEP40:
8087 cipher = WLAN_CIPHER_SUITE_WEP40;
8088 break;
8089 case CIPHER_WEP104:
8090 cipher = WLAN_CIPHER_SUITE_WEP104;
8091 break;
8092 case CIPHER_CCMP:
8093 cipher = WLAN_CIPHER_SUITE_CCMP;
8094 break;
eb7719ff
JM		 8095 case CIPHER_GCMP:
8096 cipher = WLAN_CIPHER_SUITE_GCMP;
8097 break;
cfaab580
ZY		 8098 case CIPHER_TKIP:
8099 default:
8100 cipher = WLAN_CIPHER_SUITE_TKIP;
8101 break;
8102 }
8103 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
8104 }
8105
8106 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
369c8d7b 8107 params->key_mgmt_suite == KEY_MGMT_PSK ||
6a1ce395
DG		 8108 params->key_mgmt_suite == KEY_MGMT_FT_802_1X ||
8109 params->key_mgmt_suite == KEY_MGMT_FT_PSK ||
369c8d7b 8110 params->key_mgmt_suite == KEY_MGMT_CCKM) {
cfaab580
ZY		 8111 int mgmt = WLAN_AKM_SUITE_PSK;
8112
8113 switch (params->key_mgmt_suite) {
369c8d7b
JM		 8114 case KEY_MGMT_CCKM:
8115 mgmt = WLAN_AKM_SUITE_CCKM;
8116 break;
cfaab580
ZY		 8117 case KEY_MGMT_802_1X:
8118 mgmt = WLAN_AKM_SUITE_8021X;
8119 break;
6a1ce395
DG		 8120 case KEY_MGMT_FT_802_1X:
8121 mgmt = WLAN_AKM_SUITE_FT_8021X;
8122 break;
8123 case KEY_MGMT_FT_PSK:
8124 mgmt = WLAN_AKM_SUITE_FT_PSK;
8125 break;
cfaab580
ZY		 8126 case KEY_MGMT_PSK:
8127 default:
8128 mgmt = WLAN_AKM_SUITE_PSK;
8129 break;
8130 }
8131 NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt);
8132 }
8133
8b706a99
JM		 8134#ifdef CONFIG_IEEE80211W
8135 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
8136 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
8137#endif /* CONFIG_IEEE80211W */
8138
80e8a5ee
BG		 8139 if (params->disable_ht)
8140 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
8141
8142 if (params->htcaps && params->htcaps_mask) {
8143 int sz = sizeof(struct ieee80211_ht_capabilities);
8144 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
8145 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
8146 params->htcaps_mask);
8147 }
8148
e9ee8dc3
JB		 8149#ifdef CONFIG_VHT_OVERRIDES
8150 if (params->disable_vht) {
8151 wpa_printf(MSG_DEBUG, " * VHT disabled");
8152 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT);
8153 }
8154
8155 if (params->vhtcaps && params->vhtcaps_mask) {
8156 int sz = sizeof(struct ieee80211_vht_capabilities);
8157 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps);
8158 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
8159 params->vhtcaps_mask);
8160 }
8161#endif /* CONFIG_VHT_OVERRIDES */
8162
cfaab580
ZY		 8163 ret = nl80211_set_conn_keys(params, msg);
8164 if (ret)
8165 goto nla_put_failure;
8166
8167 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8168 msg = NULL;
8169 if (ret) {
8170 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
8171 "(%s)", ret, strerror(-ret));
8172 goto nla_put_failure;
8173 }
8174 ret = 0;
8175 wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully");
8176
8177nla_put_failure:
8178 nlmsg_free(msg);
8179 return ret;
8180
8181}
8182
8183
a8c5b43a
CW		 8184static int wpa_driver_nl80211_connect(
8185 struct wpa_driver_nl80211_data *drv,
8186 struct wpa_driver_associate_params *params)
8187{
8188 int ret = wpa_driver_nl80211_try_connect(drv, params);
8189 if (ret == -EALREADY) {
8190 /*
8191 * cfg80211 does not currently accept new connections if
8192 * we are already connected. As a workaround, force
8193 * disconnection and try again.
8194 */
8195 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
8196 "disconnecting before reassociation "
8197 "attempt");
8198 if (wpa_driver_nl80211_disconnect(
8199 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
8200 return -1;
a8c5b43a
CW		 8201 ret = wpa_driver_nl80211_try_connect(drv, params);
8202 }
8203 return ret;
8204}
8205
8206
c2a04078
JM		 8207static int wpa_driver_nl80211_associate(
8208 void *priv, struct wpa_driver_associate_params *params)
8209{
a2e40bb6
FF		 8210 struct i802_bss *bss = priv;
8211 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 8212 int ret = -1;
8213 struct nl_msg *msg;
8214
5cc4d64b 8215 if (params->mode == IEEE80211_MODE_AP)
1581b38b 8216 return wpa_driver_nl80211_ap(drv, params);
1581b38b 8217
5cc4d64b
JM		 8218 if (params->mode == IEEE80211_MODE_IBSS)
8219 return wpa_driver_nl80211_ibss(drv, params);
8220
4a867032 8221 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 8222 enum nl80211_iftype nlmode = params->p2p ?
8223 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
8224
8225 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 8226 return -1;
cfaab580 8227 return wpa_driver_nl80211_connect(drv, params);
4a867032 8228 }
cfaab580 8229
add9b7a4 8230 nl80211_mark_disconnected(drv);
c2a04078
JM		 8231
8232 msg = nlmsg_alloc();
8233 if (!msg)
8234 return -1;
8235
8236 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
8237 drv->ifindex);
9fb04070 8238 nl80211_cmd(drv, msg, 0, NL80211_CMD_ASSOCIATE);
c2a04078
JM		 8239
8240 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8241 if (params->bssid) {
8242 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
8243 MAC2STR(params->bssid));
8244 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
8245 }
8246 if (params->freq) {
8247 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
8248 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
4832ecd7
JM		 8249 drv->assoc_freq = params->freq;
8250 } else
8251 drv->assoc_freq = 0;
1f6c0ab8
BS		 8252 if (params->bg_scan_period >= 0) {
8253 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
8254 params->bg_scan_period);
8255 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
8256 params->bg_scan_period);
8257 }
c2a04078
JM		 8258 if (params->ssid) {
8259 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
8260 params->ssid, params->ssid_len);
8261 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
8262 params->ssid);
fd05d64e
JM		 8263 if (params->ssid_len > sizeof(drv->ssid))
8264 goto nla_put_failure;
8265 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
8266 drv->ssid_len = params->ssid_len;
c2a04078
JM		 8267 }
8268 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
8269 if (params->wpa_ie)
8270 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
8271 params->wpa_ie);
8272
aca01605
JM		 8273 if (params->pairwise_suite != CIPHER_NONE) {
8274 int cipher;
8275
8276 switch (params->pairwise_suite) {
8277 case CIPHER_WEP40:
8278 cipher = WLAN_CIPHER_SUITE_WEP40;
8279 break;
8280 case CIPHER_WEP104:
8281 cipher = WLAN_CIPHER_SUITE_WEP104;
8282 break;
8283 case CIPHER_CCMP:
8284 cipher = WLAN_CIPHER_SUITE_CCMP;
8285 break;
eb7719ff
JM		 8286 case CIPHER_GCMP:
8287 cipher = WLAN_CIPHER_SUITE_GCMP;
8288 break;
aca01605
JM		 8289 case CIPHER_TKIP:
8290 default:
8291 cipher = WLAN_CIPHER_SUITE_TKIP;
8292 break;
8293 }
79c3124c 8294 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
aca01605
JM		 8295 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
8296 }
8297
8298 if (params->group_suite != CIPHER_NONE) {
8299 int cipher;
8300
8301 switch (params->group_suite) {
8302 case CIPHER_WEP40:
8303 cipher = WLAN_CIPHER_SUITE_WEP40;
8304 break;
8305 case CIPHER_WEP104:
8306 cipher = WLAN_CIPHER_SUITE_WEP104;
8307 break;
8308 case CIPHER_CCMP:
8309 cipher = WLAN_CIPHER_SUITE_CCMP;
8310 break;
eb7719ff
JM		 8311 case CIPHER_GCMP:
8312 cipher = WLAN_CIPHER_SUITE_GCMP;
8313 break;
aca01605
JM		 8314 case CIPHER_TKIP:
8315 default:
8316 cipher = WLAN_CIPHER_SUITE_TKIP;
8317 break;
8318 }
79c3124c 8319 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
aca01605
JM		 8320 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
8321 }
8322
e572fa33
JM		 8323#ifdef CONFIG_IEEE80211W
8324 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
8325 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
8326#endif /* CONFIG_IEEE80211W */
8327
01652550
JM		 8328 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
8329
62fa124c
JM		 8330 if (params->prev_bssid) {
8331 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
8332 MAC2STR(params->prev_bssid));
8333 NLA_PUT(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
8334 params->prev_bssid);
8335 }
8336
80e8a5ee
BG		 8337 if (params->disable_ht)
8338 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
8339
8340 if (params->htcaps && params->htcaps_mask) {
8341 int sz = sizeof(struct ieee80211_ht_capabilities);
8342 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
8343 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
8344 params->htcaps_mask);
8345 }
8346
e9ee8dc3
JB		 8347#ifdef CONFIG_VHT_OVERRIDES
8348 if (params->disable_vht) {
8349 wpa_printf(MSG_DEBUG, " * VHT disabled");
8350 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT);
8351 }
8352
8353 if (params->vhtcaps && params->vhtcaps_mask) {
8354 int sz = sizeof(struct ieee80211_vht_capabilities);
8355 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps);
8356 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
8357 params->vhtcaps_mask);
8358 }
8359#endif /* CONFIG_VHT_OVERRIDES */
8360
046b26a2
JM		 8361 if (params->p2p)
8362 wpa_printf(MSG_DEBUG, " * P2P group");
8363
c2a04078
JM		 8364 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8365 msg = NULL;
8366 if (ret) {
3b7ea880
BG		 8367 wpa_dbg(drv->ctx, MSG_DEBUG,
8368 "nl80211: MLME command failed (assoc): ret=%d (%s)",
8369 ret, strerror(-ret));
8856462d 8370 nl80211_dump_scan(drv);
c2a04078
JM		 8371 goto nla_put_failure;
8372 }
8373 ret = 0;
8374 wpa_printf(MSG_DEBUG, "nl80211: Association request send "
8375 "successfully");
8376
8377nla_put_failure:
8378 nlmsg_free(msg);
8379 return ret;
8380}
3f5285e8
JM		 8381
8382
ad1e68e6 8383static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 8384 int ifindex, enum nl80211_iftype mode)
3f5285e8 8385{
3f5285e8 8386 struct nl_msg *msg;
ad1e68e6
JM		 8387 int ret = -ENOBUFS;
8388
a1922f93
JM		 8389 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
8390 ifindex, mode, nl80211_iftype_str(mode));
8391
ad1e68e6
JM		 8392 msg = nlmsg_alloc();
8393 if (!msg)
8394 return -ENOMEM;
8395
9fb04070 8396 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE);
834ee56f 8397 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
f632e483 8398 goto nla_put_failure;
ad1e68e6
JM		 8399 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
8400
8401 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8402 msg = NULL;
ad1e68e6
JM		 8403 if (!ret)
8404 return 0;
8405nla_put_failure:
5883168a 8406 nlmsg_free(msg);
ad1e68e6
JM		 8407 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
8408 " %d (%s)", ifindex, mode, ret, strerror(-ret));
8409 return ret;
8410}
8411
8412
b1f625e0
EP		 8413static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
8414 enum nl80211_iftype nlmode)
ad1e68e6 8415{
a2e40bb6 8416 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 8417 int ret = -1;
26af9dca 8418 int i;
86957e62 8419 int was_ap = is_ap_interface(drv->nlmode);
671a5039 8420 int res;
1581b38b 8421
671a5039 8422 res = nl80211_set_mode(drv, drv->ifindex, nlmode);
8e12685c
AS		 8423 if (res && nlmode == nl80211_get_ifmode(bss))
8424 res = 0;
8425
671a5039 8426 if (res == 0) {
ad1e68e6 8427 drv->nlmode = nlmode;
460456f8
JM		 8428 ret = 0;
8429 goto done;
ad1e68e6 8430 }
3f5285e8 8431
671a5039
JM		 8432 if (res == -ENODEV)
8433 return -1;
8434
460456f8 8435 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 8436 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
8437 "requested mode - ignore error");
460456f8
JM		 8438 ret = 0;
8439 goto done; /* Already in the requested mode */
8440 }
3f5285e8 8441
3f5285e8
JM		 8442 /* mac80211 doesn't allow mode changes while the device is up, so
8443 * take the device down, try to set the mode again, and bring the
8444 * device back up.
8445 */
26af9dca
JM		 8446 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
8447 "interface down");
8448 for (i = 0; i < 10; i++) {
91724d6f 8449 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 8450 if (res == -EACCES || res == -ENODEV)
8451 break;
8452 if (res == 0) {
26af9dca
JM		 8453 /* Try to set the mode again while the interface is
8454 * down */
8455 ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
6e8183d7
JM		 8456 if (ret == -EACCES)
8457 break;
91724d6f 8458 res = i802_set_iface_flags(bss, 1);
6e8183d7 8459 if (res && !ret)
26af9dca 8460 ret = -1;
6e8183d7 8461 else if (ret != -EBUSY)
26af9dca
JM		 8462 break;
8463 } else
8464 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
8465 "interface down");
8466 os_sleep(0, 100000);
3f5285e8
JM		 8467 }
8468
c6e8e8e4
JM		 8469 if (!ret) {
8470 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
8471 "interface is down");
ad1e68e6 8472 drv->nlmode = nlmode;
7d9c3698 8473 drv->ignore_if_down_event = 1;
c6e8e8e4 8474 }
ad1e68e6 8475
460456f8 8476done:
3fd1cefb
JB		 8477 if (ret) {
8478 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
8479 "from %d failed", nlmode, drv->nlmode);
8480 return ret;
8481 }
8482
6a71413e 8483 if (is_p2p_net_interface(nlmode))
edb9bfba 8484 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1d0c6fb1
JM		 8485 else if (drv->disabled_11b_rates)
8486 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
edb9bfba 8487
3fd1cefb 8488 if (is_ap_interface(nlmode)) {
36488c05 8489 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 8490 /* Setup additional AP mode functionality if needed */
3fd1cefb 8491 if (nl80211_setup_ap(bss))
460456f8 8492 return -1;
3fd1cefb 8493 } else if (was_ap) {
460456f8 8494 /* Remove additional AP mode functionality */
3fd1cefb 8495 nl80211_teardown_ap(bss);
a11241fa 8496 } else {
36488c05 8497 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 8498 }
460456f8 8499
873d0fcf 8500 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
a11241fa
JB		 8501 nl80211_mgmt_subscribe_non_ap(bss) < 0)
8502 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
8503 "frame processing - ignore for now");
08359050 8504
3fd1cefb 8505 return 0;
3f5285e8
JM		 8506}
8507
8508
3f5285e8
JM		 8509static int wpa_driver_nl80211_get_capa(void *priv,
8510 struct wpa_driver_capa *capa)
8511{
a2e40bb6
FF		 8512 struct i802_bss *bss = priv;
8513 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8
JM		 8514 if (!drv->has_capability)
8515 return -1;
8516 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 8517 if (drv->extended_capa && drv->extended_capa_mask) {
8518 capa->extended_capa = drv->extended_capa;
8519 capa->extended_capa_mask = drv->extended_capa_mask;
8520 capa->extended_capa_len = drv->extended_capa_len;
8521 }
851b0c55
JM		 8522
8523 if ((capa->flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
8524 !drv->allow_p2p_device) {
8525 wpa_printf(MSG_DEBUG, "nl80211: Do not indicate P2P_DEVICE support (p2p_device=1 driver param not specified)");
8526 capa->flags &= ~WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
8527 }
8528
3f5285e8
JM		 8529 return 0;
8530}
8531
8532
8533static int wpa_driver_nl80211_set_operstate(void *priv, int state)
8534{
a2e40bb6
FF		 8535 struct i802_bss *bss = priv;
8536 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8
JM		 8537
8538 wpa_printf(MSG_DEBUG, "%s: operstate %d->%d (%s)",
8539 __func__, drv->operstate, state, state ? "UP" : "DORMANT");
8540 drv->operstate = state;
36d84860 8541 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 8542 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 8543}
8544
01652550
JM		 8545
8546static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
8547{
a2e40bb6
FF		 8548 struct i802_bss *bss = priv;
8549 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 8550 struct nl_msg *msg;
8551 struct nl80211_sta_flag_update upd;
8552
1ba51ec0
JM		 8553 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
8554 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
8555
01652550
JM		 8556 msg = nlmsg_alloc();
8557 if (!msg)
8558 return -ENOMEM;
8559
9fb04070 8560 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
01652550
JM		 8561
8562 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8563 if_nametoindex(bss->ifname));
01652550
JM		 8564 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
8565
8566 os_memset(&upd, 0, sizeof(upd));
8567 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
8568 if (authorized)
8569 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
8570 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
8571
8572 return send_and_recv_msgs(drv, msg, NULL, NULL);
8573 nla_put_failure:
5883168a 8574 nlmsg_free(msg);
01652550
JM		 8575 return -ENOBUFS;
8576}
8577
3f5285e8 8578
f07ead6a
JM		 8579/* Set kernel driver on given frequency (MHz) */
8580static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 8581{
f07ead6a 8582 struct i802_bss *bss = priv;
89b800d7 8583 return wpa_driver_nl80211_set_freq(bss, freq);
c5121837
JM		 8584}
8585
f7b3920c 8586
c5121837
JM		 8587static inline int min_int(int a, int b)
8588{
8589 if (a < b)
8590 return a;
8591 return b;
8592}
8593
8594
8595static int get_key_handler(struct nl_msg *msg, void *arg)
8596{
8597 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8598 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8599
8600 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8601 genlmsg_attrlen(gnlh, 0), NULL);
8602
8603 /*
8604 * TODO: validate the key index and mac address!
8605 * Otherwise, there's a race condition as soon as
8606 * the kernel starts sending key notifications.
8607 */
8608
8609 if (tb[NL80211_ATTR_KEY_SEQ])
8610 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
8611 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
8612 return NL_SKIP;
8613}
8614
8615
8616static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
8617 int idx, u8 *seq)
8618{
a2e40bb6
FF		 8619 struct i802_bss *bss = priv;
8620 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8621 struct nl_msg *msg;
8622
8623 msg = nlmsg_alloc();
8624 if (!msg)
8625 return -ENOMEM;
8626
9fb04070 8627 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_KEY);
c5121837
JM		 8628
8629 if (addr)
8630 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
8631 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
8632 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
8633
8634 memset(seq, 0, 6);
8635
8636 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
8637 nla_put_failure:
9e088e74 8638 nlmsg_free(msg);
c5121837
JM		 8639 return -ENOBUFS;
8640}
8641
8642
c5121837
JM		 8643static int i802_set_rts(void *priv, int rts)
8644{
a2e40bb6
FF		 8645 struct i802_bss *bss = priv;
8646 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 8647 struct nl_msg *msg;
8648 int ret = -ENOBUFS;
8649 u32 val;
c5121837 8650
ad649451
JM		 8651 msg = nlmsg_alloc();
8652 if (!msg)
8653 return -ENOMEM;
c5121837 8654
ad649451
JM		 8655 if (rts >= 2347)
8656 val = (u32) -1;
8657 else
8658 val = rts;
c5121837 8659
9fb04070 8660 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 8661 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8662 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val);
8663
8664 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8665 msg = NULL;
ad649451
JM		 8666 if (!ret)
8667 return 0;
8668nla_put_failure:
5883168a 8669 nlmsg_free(msg);
ad649451
JM		 8670 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
8671 "%d (%s)", rts, ret, strerror(-ret));
8672 return ret;
c5121837
JM		 8673}
8674
8675
8676static int i802_set_frag(void *priv, int frag)
8677{
a2e40bb6
FF		 8678 struct i802_bss *bss = priv;
8679 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 8680 struct nl_msg *msg;
8681 int ret = -ENOBUFS;
8682 u32 val;
c5121837 8683
ad649451
JM		 8684 msg = nlmsg_alloc();
8685 if (!msg)
8686 return -ENOMEM;
c5121837 8687
ad649451
JM		 8688 if (frag >= 2346)
8689 val = (u32) -1;
8690 else
8691 val = frag;
c5121837 8692
9fb04070 8693 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 8694 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8695 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val);
8696
8697 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8698 msg = NULL;
ad649451
JM		 8699 if (!ret)
8700 return 0;
8701nla_put_failure:
5883168a 8702 nlmsg_free(msg);
ad649451
JM		 8703 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
8704 "%d: %d (%s)", frag, ret, strerror(-ret));
8705 return ret;
c5121837
JM		 8706}
8707
8708
c5121837
JM		 8709static int i802_flush(void *priv)
8710{
a2e40bb6
FF		 8711 struct i802_bss *bss = priv;
8712 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 8713 struct nl_msg *msg;
82554b10 8714 int res;
c5121837
JM		 8715
8716 msg = nlmsg_alloc();
8717 if (!msg)
8718 return -1;
8719
83e7bb0e
JM		 8720 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
8721 bss->ifname);
9fb04070 8722 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
c5121837
JM		 8723
8724 /*
8725 * XXX: FIX! this needs to flush all VLANs too
8726 */
8727 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8728 if_nametoindex(bss->ifname));
c5121837 8729
82554b10
JM		 8730 res = send_and_recv_msgs(drv, msg, NULL, NULL);
8731 if (res) {
8732 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
8733 "(%s)", res, strerror(-res));
8734 }
8735 return res;
c5121837 8736 nla_put_failure:
9e088e74 8737 nlmsg_free(msg);
c5121837
JM		 8738 return -ENOBUFS;
8739}
8740
8741
8742static int get_sta_handler(struct nl_msg *msg, void *arg)
8743{
8744 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8745 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8746 struct hostap_sta_driver_data *data = arg;
8747 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
8748 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
8749 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
8750 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
8751 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
8752 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
8753 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 8754 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
c5121837
JM		 8755 };
8756
8757 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8758 genlmsg_attrlen(gnlh, 0), NULL);
8759
8760 /*
8761 * TODO: validate the interface and mac address!
8762 * Otherwise, there's a race condition as soon as
8763 * the kernel starts sending station notifications.
8764 */
8765
8766 if (!tb[NL80211_ATTR_STA_INFO]) {
8767 wpa_printf(MSG_DEBUG, "sta stats missing!");
8768 return NL_SKIP;
8769 }
8770 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
8771 tb[NL80211_ATTR_STA_INFO],
8772 stats_policy)) {
8773 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
8774 return NL_SKIP;
8775 }
8776
8777 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
8778 data->inactive_msec =
8779 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
8780 if (stats[NL80211_STA_INFO_RX_BYTES])
8781 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
8782 if (stats[NL80211_STA_INFO_TX_BYTES])
8783 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
8784 if (stats[NL80211_STA_INFO_RX_PACKETS])
8785 data->rx_packets =
8786 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
8787 if (stats[NL80211_STA_INFO_TX_PACKETS])
8788 data->tx_packets =
8789 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 8790 if (stats[NL80211_STA_INFO_TX_FAILED])
8791 data->tx_retry_failed =
8792 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 8793
8794 return NL_SKIP;
8795}
8796
9ebce9c5
JM		 8797static int i802_read_sta_data(struct i802_bss *bss,
8798 struct hostap_sta_driver_data *data,
c5121837
JM		 8799 const u8 *addr)
8800{
a2e40bb6 8801 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8802 struct nl_msg *msg;
8803
8804 os_memset(data, 0, sizeof(*data));
8805 msg = nlmsg_alloc();
8806 if (!msg)
8807 return -ENOMEM;
8808
9fb04070 8809 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
c5121837
JM		 8810
8811 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
a2e40bb6 8812 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 8813
8814 return send_and_recv_msgs(drv, msg, get_sta_handler, data);
8815 nla_put_failure:
9e088e74 8816 nlmsg_free(msg);
c5121837
JM		 8817 return -ENOBUFS;
8818}
8819
8820
c5121837
JM		 8821static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
8822 int cw_min, int cw_max, int burst_time)
8823{
a2e40bb6
FF		 8824 struct i802_bss *bss = priv;
8825 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8826 struct nl_msg *msg;
8827 struct nlattr *txq, *params;
8828
8829 msg = nlmsg_alloc();
8830 if (!msg)
8831 return -1;
8832
9fb04070 8833 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
c5121837 8834
a2e40bb6 8835 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 8836
8837 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
8838 if (!txq)
8839 goto nla_put_failure;
8840
8841 /* We are only sending parameters for a single TXQ at a time */
8842 params = nla_nest_start(msg, 1);
8843 if (!params)
8844 goto nla_put_failure;
8845
7e3c1781
JM		 8846 switch (queue) {
8847 case 0:
8848 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO);
8849 break;
8850 case 1:
8851 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI);
8852 break;
8853 case 2:
8854 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE);
8855 break;
8856 case 3:
8857 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK);
8858 break;
8859 }
c5121837
JM		 8860 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
8861 * 32 usec, so need to convert the value here. */
8862 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
8863 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
8864 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
8865 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
8866
8867 nla_nest_end(msg, params);
8868
8869 nla_nest_end(msg, txq);
8870
8871 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
8872 return 0;
9e088e74 8873 msg = NULL;
c5121837 8874 nla_put_failure:
9e088e74 8875 nlmsg_free(msg);
c5121837
JM		 8876 return -1;
8877}
8878
8879
9ebce9c5 8880static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 8881 const char *ifname, int vlan_id)
8882{
a2e40bb6 8883 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 8884 struct nl_msg *msg;
cd1d72c1 8885 int ret = -ENOBUFS;
c5121837
JM		 8886
8887 msg = nlmsg_alloc();
8888 if (!msg)
8889 return -ENOMEM;
8890
bbc706a3
JM		 8891 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
8892 ", ifname=%s[%d], vlan_id=%d)",
8893 bss->ifname, if_nametoindex(bss->ifname),
8894 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
9fb04070 8895 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
c5121837
JM		 8896
8897 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8898 if_nametoindex(bss->ifname));
c5121837 8899 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
1c766b09 8900 NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
c5121837
JM		 8901 if_nametoindex(ifname));
8902
cd1d72c1 8903 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9e088e74 8904 msg = NULL;
cd1d72c1
JM		 8905 if (ret < 0) {
8906 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
8907 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
8908 MAC2STR(addr), ifname, vlan_id, ret,
8909 strerror(-ret));
8910 }
c5121837 8911 nla_put_failure:
9e088e74 8912 nlmsg_free(msg);
cd1d72c1 8913 return ret;
c5121837
JM		 8914}
8915
fbbfcbac 8916
c5121837
JM		 8917static int i802_get_inact_sec(void *priv, const u8 *addr)
8918{
8919 struct hostap_sta_driver_data data;
8920 int ret;
8921
8922 data.inactive_msec = (unsigned long) -1;
8923 ret = i802_read_sta_data(priv, &data, addr);
8924 if (ret || data.inactive_msec == (unsigned long) -1)
8925 return -1;
8926 return data.inactive_msec / 1000;
8927}
8928
8929
8930static int i802_sta_clear_stats(void *priv, const u8 *addr)
8931{
8932#if 0
8933 /* TODO */
8934#endif
8935 return 0;
8936}
8937
8938
731723a5
JM		 8939static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
8940 int reason)
c5121837 8941{
a2e40bb6 8942 struct i802_bss *bss = priv;
e1bd4e19 8943 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8944 struct ieee80211_mgmt mgmt;
8945
e1bd4e19
AT		 8946 if (drv->device_ap_sme)
8947 return wpa_driver_nl80211_sta_remove(bss, addr);
8948
c5121837
JM		 8949 memset(&mgmt, 0, sizeof(mgmt));
8950 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8951 WLAN_FC_STYPE_DEAUTH);
8952 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 8953 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8954 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 8955 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 8956 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 8957 IEEE80211_HDRLEN +
9ebce9c5
JM		 8958 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
8959 0);
c5121837
JM		 8960}
8961
8962
731723a5
JM		 8963static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
8964 int reason)
c5121837 8965{
a2e40bb6 8966 struct i802_bss *bss = priv;
e1bd4e19 8967 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 8968 struct ieee80211_mgmt mgmt;
8969
e1bd4e19
AT		 8970 if (drv->device_ap_sme)
8971 return wpa_driver_nl80211_sta_remove(bss, addr);
8972
c5121837
JM		 8973 memset(&mgmt, 0, sizeof(mgmt));
8974 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8975 WLAN_FC_STYPE_DISASSOC);
8976 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 8977 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8978 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 8979 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 8980 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 8981 IEEE80211_HDRLEN +
9ebce9c5
JM		 8982 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
8983 0);
c5121837
JM		 8984}
8985
8986
f07ead6a
JM		 8987static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
8988{
8989 int i;
8990 int *old;
8991
8992 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
8993 ifidx);
8994 for (i = 0; i < drv->num_if_indices; i++) {
8995 if (drv->if_indices[i] == 0) {
8996 drv->if_indices[i] = ifidx;
8997 return;
8998 }
8999 }
9000
9001 if (drv->if_indices != drv->default_if_indices)
9002 old = drv->if_indices;
9003 else
9004 old = NULL;
9005
067ffa26
JM		 9006 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
9007 sizeof(int));
f07ead6a
JM		 9008 if (!drv->if_indices) {
9009 if (!old)
9010 drv->if_indices = drv->default_if_indices;
9011 else
9012 drv->if_indices = old;
9013 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
9014 "interfaces");
9015 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
9016 return;
9017 } else if (!old)
9018 os_memcpy(drv->if_indices, drv->default_if_indices,
9019 sizeof(drv->default_if_indices));
9020 drv->if_indices[drv->num_if_indices] = ifidx;
9021 drv->num_if_indices++;
9022}
9023
9024
9025static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
9026{
9027 int i;
9028
9029 for (i = 0; i < drv->num_if_indices; i++) {
9030 if (drv->if_indices[i] == ifidx) {
9031 drv->if_indices[i] = 0;
9032 break;
9033 }
9034 }
9035}
9036
9037
9038static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
9039{
9040 int i;
9041
9042 for (i = 0; i < drv->num_if_indices; i++)
9043 if (drv->if_indices[i] == ifidx)
9044 return 1;
9045
9046 return 0;
9047}
9048
9049
9050static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
69dd2967 9051 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 9052{
9053 struct i802_bss *bss = priv;
9054 struct wpa_driver_nl80211_data *drv = bss->drv;
9055 char name[IFNAMSIZ + 1];
9056
9057 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 9058 if (ifname_wds)
9059 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
9060
f07ead6a
JM		 9061 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
9062 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
9063 if (val) {
9064 if (!if_nametoindex(name)) {
9065 if (nl80211_create_iface(drv, name,
9066 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 9067 bss->addr, 1, NULL, NULL, 0) <
9068 0)
f07ead6a
JM		 9069 return -1;
9070 if (bridge_ifname &&
c81eff1a
BG		 9071 linux_br_add_if(drv->global->ioctl_sock,
9072 bridge_ifname, name) < 0)
f07ead6a
JM		 9073 return -1;
9074 }
75227f3a
JM		 9075 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
9076 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
9077 "interface %s up", name);
9078 }
f07ead6a
JM		 9079 return i802_set_sta_vlan(priv, addr, name, 0);
9080 } else {
c34e618d
FF		 9081 if (bridge_ifname)
9082 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
9083 name);
9084
f07ead6a
JM		 9085 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
9086 return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN,
9087 name);
9088 }
9089}
9090
9091
9092static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
9093{
9094 struct wpa_driver_nl80211_data *drv = eloop_ctx;
9095 struct sockaddr_ll lladdr;
9096 unsigned char buf[3000];
9097 int len;
9098 socklen_t fromlen = sizeof(lladdr);
9099
9100 len = recvfrom(sock, buf, sizeof(buf), 0,
9101 (struct sockaddr *)&lladdr, &fromlen);
9102 if (len < 0) {
7ac3616d
JM		 9103 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
9104 strerror(errno));
f07ead6a
JM		 9105 return;
9106 }
9107
9108 if (have_ifidx(drv, lladdr.sll_ifindex))
9109 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
9110}
9111
9112
94627f6c 9113static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 9114 struct i802_bss *bss,
94627f6c
JM		 9115 const char *brname, const char *ifname)
9116{
9117 int ifindex;
9118 char in_br[IFNAMSIZ];
9119
e17a2477 9120 os_strlcpy(bss->brname, brname, IFNAMSIZ);
94627f6c
JM		 9121 ifindex = if_nametoindex(brname);
9122 if (ifindex == 0) {
9123 /*
9124 * Bridge was configured, but the bridge device does
9125 * not exist. Try to add it now.
9126 */
c81eff1a 9127 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 9128 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
9129 "bridge interface %s: %s",
9130 brname, strerror(errno));
9131 return -1;
9132 }
e17a2477 9133 bss->added_bridge = 1;
94627f6c
JM		 9134 add_ifidx(drv, if_nametoindex(brname));
9135 }
9136
9137 if (linux_br_get(in_br, ifname) == 0) {
9138 if (os_strcmp(in_br, brname) == 0)
9139 return 0; /* already in the bridge */
9140
9141 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
9142 "bridge %s", ifname, in_br);
c81eff1a
BG		 9143 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
9144 0) {
94627f6c
JM		 9145 wpa_printf(MSG_ERROR, "nl80211: Failed to "
9146 "remove interface %s from bridge "
9147 "%s: %s",
9148 ifname, brname, strerror(errno));
9149 return -1;
9150 }
9151 }
9152
9153 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
9154 ifname, brname);
c81eff1a 9155 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 9156 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
9157 "into bridge %s: %s",
9158 ifname, brname, strerror(errno));
9159 return -1;
9160 }
e17a2477 9161 bss->added_if_into_bridge = 1;
94627f6c
JM		 9162
9163 return 0;
9164}
9165
9166
92f475b4
JM		 9167static void *i802_init(struct hostapd_data *hapd,
9168 struct wpa_init_params *params)
c5121837
JM		 9169{
9170 struct wpa_driver_nl80211_data *drv;
a2e40bb6 9171 struct i802_bss *bss;
c5121837 9172 size_t i;
94627f6c
JM		 9173 char brname[IFNAMSIZ];
9174 int ifindex, br_ifindex;
9175 int br_added = 0;
c5121837 9176
0d547d5f
JM		 9177 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
9178 params->global_priv, 1,
9179 params->bssid);
a2e40bb6 9180 if (bss == NULL)
c5121837 9181 return NULL;
c5121837 9182
a2e40bb6 9183 drv = bss->drv;
7635bfb0 9184
94627f6c
JM		 9185 if (linux_br_get(brname, params->ifname) == 0) {
9186 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
9187 params->ifname, brname);
9188 br_ifindex = if_nametoindex(brname);
9189 } else {
9190 brname[0] = '\0';
9191 br_ifindex = 0;
9192 }
9193
92f475b4 9194 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 9195 if (params->bridge[i]) {
9196 ifindex = if_nametoindex(params->bridge[i]);
9197 if (ifindex)
9198 add_ifidx(drv, ifindex);
9199 if (ifindex == br_ifindex)
9200 br_added = 1;
9201 }
c5121837 9202 }
94627f6c
JM		 9203 if (!br_added && br_ifindex &&
9204 (params->num_bridge == 0 || !params->bridge[0]))
9205 add_ifidx(drv, br_ifindex);
c5121837 9206
ad1e68e6
JM		 9207 /* start listening for EAPOL on the default AP interface */
9208 add_ifidx(drv, drv->ifindex);
9209
94627f6c 9210 if (params->num_bridge && params->bridge[0] &&
e17a2477 9211 i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0)
94627f6c
JM		 9212 goto failed;
9213
ad1e68e6
JM		 9214 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
9215 if (drv->eapol_sock < 0) {
7ac3616d
JM		 9216 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
9217 strerror(errno));
bbaf0837 9218 goto failed;
ad1e68e6
JM		 9219 }
9220
9221 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
9222 {
7ac3616d 9223 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 9224 goto failed;
ad1e68e6
JM		 9225 }
9226
c81eff1a
BG		 9227 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
9228 params->own_addr))
bbaf0837 9229 goto failed;
c5121837 9230
341eebee
JB		 9231 memcpy(bss->addr, params->own_addr, ETH_ALEN);
9232
a2e40bb6 9233 return bss;
c5121837
JM		 9234
9235failed:
7635bfb0 9236 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 9237 return NULL;
9238}
c5121837 9239
c5121837 9240
bbaf0837
JM		 9241static void i802_deinit(void *priv)
9242{
9ebce9c5
JM		 9243 struct i802_bss *bss = priv;
9244 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 9245}
9246
c5121837 9247
22a7c9d7
JM		 9248static enum nl80211_iftype wpa_driver_nl80211_if_type(
9249 enum wpa_driver_if_type type)
9250{
9251 switch (type) {
9252 case WPA_IF_STATION:
9f51b113 9253 return NL80211_IFTYPE_STATION;
75bde05d
JM		 9254 case WPA_IF_P2P_CLIENT:
9255 case WPA_IF_P2P_GROUP:
9f51b113 9256 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 9257 case WPA_IF_AP_VLAN:
9258 return NL80211_IFTYPE_AP_VLAN;
9259 case WPA_IF_AP_BSS:
9260 return NL80211_IFTYPE_AP;
9f51b113
JB		 9261 case WPA_IF_P2P_GO:
9262 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 9263 case WPA_IF_P2P_DEVICE:
9264 return NL80211_IFTYPE_P2P_DEVICE;
22a7c9d7
JM		 9265 }
9266 return -1;
9267}
9268
9269
482856c8
JM		 9270#ifdef CONFIG_P2P
9271
f2ed8023
JM		 9272static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
9273{
9274 struct wpa_driver_nl80211_data *drv;
9275 dl_list_for_each(drv, &global->interfaces,
9276 struct wpa_driver_nl80211_data, list) {
834ee56f 9277 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 9278 return 1;
9279 }
9280 return 0;
9281}
9282
9283
9284static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv,
9285 u8 *new_addr)
9286{
9287 unsigned int idx;
9288
9289 if (!drv->global)
9290 return -1;
9291
834ee56f 9292 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 9293 for (idx = 0; idx < 64; idx++) {
834ee56f 9294 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 9295 new_addr[0] ^= idx << 2;
9296 if (!nl80211_addr_in_use(drv->global, new_addr))
9297 break;
9298 }
9299 if (idx == 64)
9300 return -1;
9301
9302 wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address "
9303 MACSTR, MAC2STR(new_addr));
9304
9305 return 0;
9306}
9307
482856c8
JM		 9308#endif /* CONFIG_P2P */
9309
f2ed8023 9310
f632e483
AS		 9311struct wdev_info {
9312 u64 wdev_id;
9313 int wdev_id_set;
9314 u8 macaddr[ETH_ALEN];
9315};
9316
9317static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 9318{
9319 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9320 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 9321 struct wdev_info *wi = arg;
e472e1b4
AS		 9322
9323 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9324 genlmsg_attrlen(gnlh, 0), NULL);
9325 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 9326 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
9327 wi->wdev_id_set = 1;
e472e1b4
AS		 9328 }
9329
9330 if (tb[NL80211_ATTR_MAC])
f632e483 9331 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 9332 ETH_ALEN);
9333
9334 return NL_SKIP;
9335}
9336
9337
7ab68865 9338static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 9339 const char *ifname, const u8 *addr,
f3585c8a 9340 void *bss_ctx, void **drv_priv,
e17a2477 9341 char *force_ifname, u8 *if_addr,
2aec4f3c 9342 const char *bridge, int use_existing)
22a7c9d7 9343{
e472e1b4 9344 enum nl80211_iftype nlmode;
a2e40bb6
FF		 9345 struct i802_bss *bss = priv;
9346 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 9347 int ifidx;
2aec4f3c 9348 int added = 1;
22a7c9d7 9349
f3585c8a
JM		 9350 if (addr)
9351 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 9352 nlmode = wpa_driver_nl80211_if_type(type);
9353 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 9354 struct wdev_info p2pdev_info;
9355
9356 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 9357 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 9358 0, nl80211_wdev_handler,
2aec4f3c 9359 &p2pdev_info, use_existing);
f632e483 9360 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 9361 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
9362 ifname);
e472e1b4
AS		 9363 return -1;
9364 }
f632e483
AS		 9365
9366 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
9367 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
9368 if (!is_zero_ether_addr(p2pdev_info.macaddr))
9369 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
9370 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
9371 ifname,
9372 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 9373 } else {
9374 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 9375 0, NULL, NULL, use_existing);
9376 if (use_existing && ifidx == -ENFILE) {
9377 added = 0;
9378 ifidx = if_nametoindex(ifname);
9379 } else if (ifidx < 0) {
e472e1b4
AS		 9380 return -1;
9381 }
22a7c9d7
JM		 9382 }
9383
ab7a1add
AS		 9384 if (!addr) {
9385 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
9386 os_memcpy(if_addr, bss->addr, ETH_ALEN);
9387 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
9388 bss->ifname, if_addr) < 0) {
2aec4f3c
JM		 9389 if (added)
9390 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 9391 return -1;
9392 }
c55f774d
JM		 9393 }
9394
9395#ifdef CONFIG_P2P
9396 if (!addr &&
9397 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
9398 type == WPA_IF_P2P_GO)) {
9399 /* Enforce unique P2P Interface Address */
ab7a1add 9400 u8 new_addr[ETH_ALEN];
c55f774d 9401
ab7a1add 9402 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 9403 new_addr) < 0) {
c55f774d
JM		 9404 nl80211_remove_iface(drv, ifidx);
9405 return -1;
9406 }
f608081c 9407 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d
JM		 9408 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
9409 "for P2P group interface");
f2ed8023 9410 if (nl80211_p2p_interface_addr(drv, new_addr) < 0) {
c55f774d
JM		 9411 nl80211_remove_iface(drv, ifidx);
9412 return -1;
9413 }
c81eff1a 9414 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d
JM		 9415 new_addr) < 0) {
9416 nl80211_remove_iface(drv, ifidx);
9417 return -1;
9418 }
c55f774d 9419 }
f67eeb5c 9420 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d
JM		 9421 }
9422#endif /* CONFIG_P2P */
f3585c8a 9423
22a7c9d7 9424 if (type == WPA_IF_AP_BSS) {
f5eb9da3
JM		 9425 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
9426 if (new_bss == NULL) {
2aec4f3c
JM		 9427 if (added)
9428 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 9429 return -1;
9430 }
9431
9432 if (bridge &&
9433 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
9434 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
9435 "interface %s to a bridge %s",
9436 ifname, bridge);
2aec4f3c
JM		 9437 if (added)
9438 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 9439 os_free(new_bss);
9440 return -1;
9441 }
9442
c81eff1a
BG		 9443 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
9444 {
34f2f814 9445 nl80211_remove_iface(drv, ifidx);
07179987 9446 os_free(new_bss);
22a7c9d7
JM		 9447 return -1;
9448 }
a2e40bb6 9449 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 9450 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 9451 new_bss->ifindex = ifidx;
9452 new_bss->drv = drv;
834ee56f
KP		 9453 new_bss->next = drv->first_bss->next;
9454 new_bss->freq = drv->first_bss->freq;
a5e1eb20 9455 new_bss->ctx = bss_ctx;
2aec4f3c 9456 new_bss->added_if = added;
834ee56f 9457 drv->first_bss->next = new_bss;
a2e40bb6
FF		 9458 if (drv_priv)
9459 *drv_priv = new_bss;
cc7a48d1 9460 nl80211_init_bss(new_bss);
3dd1d890
YAP		 9461
9462 /* Subscribe management frames for this WPA_IF_AP_BSS */
9463 if (nl80211_setup_ap(new_bss))
9464 return -1;
22a7c9d7 9465 }
22a7c9d7 9466
ff6a158b
JM		 9467 if (drv->global)
9468 drv->global->if_add_ifindex = ifidx;
9469
22a7c9d7
JM		 9470 return 0;
9471}
9472
9473
9ebce9c5 9474static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 9475 enum wpa_driver_if_type type,
9476 const char *ifname)
9477{
a2e40bb6 9478 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 9479 int ifindex = if_nametoindex(ifname);
9480
2aec4f3c
JM		 9481 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
9482 __func__, type, ifname, ifindex, bss->added_if);
390e489c 9483 if (ifindex > 0 && bss->added_if)
2b72df63 9484 nl80211_remove_iface(drv, ifindex);
c34e618d 9485
c34e618d
FF		 9486 if (type != WPA_IF_AP_BSS)
9487 return 0;
9488
e17a2477 9489 if (bss->added_if_into_bridge) {
c81eff1a
BG		 9490 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
9491 bss->ifname) < 0)
e17a2477
JM		 9492 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9493 "interface %s from bridge %s: %s",
9494 bss->ifname, bss->brname, strerror(errno));
9495 }
9496 if (bss->added_bridge) {
c81eff1a 9497 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 9498 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9499 "bridge %s: %s",
9500 bss->brname, strerror(errno));
9501 }
a2e40bb6 9502
834ee56f 9503 if (bss != drv->first_bss) {
8546ea19 9504 struct i802_bss *tbss;
a2e40bb6 9505
2aec4f3c 9506 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 9507 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 9508 if (tbss->next == bss) {
9509 tbss->next = bss->next;
3dd1d890
YAP		 9510 /* Unsubscribe management frames */
9511 nl80211_teardown_ap(bss);
cc7a48d1 9512 nl80211_destroy_bss(bss);
8546ea19
JM		 9513 os_free(bss);
9514 bss = NULL;
9515 break;
9516 }
22a7c9d7 9517 }
8546ea19
JM		 9518 if (bss)
9519 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
9520 "BSS %p in the list", __func__, bss);
390e489c 9521 } else {
2aec4f3c 9522 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 9523 nl80211_teardown_ap(bss);
2aec4f3c
JM		 9524 if (!bss->added_if && !drv->first_bss->next)
9525 wpa_driver_nl80211_del_beacon(drv);
390e489c 9526 nl80211_destroy_bss(bss);
2aec4f3c
JM		 9527 if (!bss->added_if)
9528 i802_set_iface_flags(bss, 0);
390e489c
KP		 9529 if (drv->first_bss->next) {
9530 drv->first_bss = drv->first_bss->next;
9531 drv->ctx = drv->first_bss->ctx;
9532 os_free(bss);
9533 } else {
9534 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
9535 }
22a7c9d7 9536 }
22a7c9d7
JM		 9537
9538 return 0;
9539}
9540
9541
55777702
JM		 9542static int cookie_handler(struct nl_msg *msg, void *arg)
9543{
9544 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9545 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9546 u64 *cookie = arg;
9547 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9548 genlmsg_attrlen(gnlh, 0), NULL);
9549 if (tb[NL80211_ATTR_COOKIE])
9550 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
9551 return NL_SKIP;
9552}
9553
9554
88df0ef7 9555static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 9556 unsigned int freq, unsigned int wait,
9557 const u8 *buf, size_t buf_len,
88df0ef7
JB		 9558 u64 *cookie_out, int no_cck, int no_ack,
9559 int offchanok)
9884f9cc 9560{
88df0ef7 9561 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 9562 struct nl_msg *msg;
9563 u64 cookie;
9564 int ret = -1;
9565
9566 msg = nlmsg_alloc();
9567 if (!msg)
9568 return -1;
9569
cc2ada86 9570 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 9571 "no_ack=%d offchanok=%d",
9572 freq, wait, no_cck, no_ack, offchanok);
c91f796f 9573 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9fb04070 9574 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME);
9884f9cc 9575
f632e483 9576 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80 9577 goto nla_put_failure;
c91f796f
NC		 9578 if (freq)
9579 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
9db931ed
JM		 9580 if (wait)
9581 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait);
b9fd8ce8 9582 if (offchanok && (drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
88df0ef7 9583 NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
b106173a
JM		 9584 if (no_cck)
9585 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
ddc53271
JM		 9586 if (no_ack)
9587 NLA_PUT_FLAG(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK);
970fa12e 9588
9884f9cc
JB		 9589 NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
9590
9591 cookie = 0;
9592 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
9593 msg = NULL;
9594 if (ret) {
9595 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 9596 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
9597 freq, wait);
9884f9cc
JB		 9598 goto nla_put_failure;
9599 }
cc2ada86 9600 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
ddc53271
JM		 9601 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
9602 (long long unsigned int) cookie);
9884f9cc
JB		 9603
9604 if (cookie_out)
ddc53271 9605 *cookie_out = no_ack ? (u64) -1 : cookie;
9884f9cc
JB		 9606
9607nla_put_failure:
9608 nlmsg_free(msg);
9609 return ret;
9610}
9611
9612
9ebce9c5
JM		 9613static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
9614 unsigned int freq,
190b9062 9615 unsigned int wait_time,
58f6fbe0
JM		 9616 const u8 *dst, const u8 *src,
9617 const u8 *bssid,
b106173a
JM		 9618 const u8 *data, size_t data_len,
9619 int no_cck)
58f6fbe0 9620{
a2e40bb6 9621 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 9622 int ret = -1;
58f6fbe0
JM		 9623 u8 *buf;
9624 struct ieee80211_hdr *hdr;
58f6fbe0 9625
5dfca53f 9626 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 9627 "freq=%u MHz wait=%d ms no_cck=%d)",
9628 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 9629
9630 buf = os_zalloc(24 + data_len);
9631 if (buf == NULL)
9632 return ret;
9633 os_memcpy(buf + 24, data, data_len);
9634 hdr = (struct ieee80211_hdr *) buf;
9635 hdr->frame_control =
9636 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
9637 os_memcpy(hdr->addr1, dst, ETH_ALEN);
9638 os_memcpy(hdr->addr2, src, ETH_ALEN);
9639 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
9640
f78f2785
JM		 9641 if (is_ap_interface(drv->nlmode) &&
9642 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
9643 (int) freq == bss->freq || drv->device_ap_sme ||
9644 !drv->use_monitor))
9ebce9c5
JM		 9645 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
9646 0, freq, no_cck, 1,
9647 wait_time);
9884f9cc 9648 else
88df0ef7 9649 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 9650 24 + data_len,
b106173a 9651 &drv->send_action_cookie,
88df0ef7 9652 no_cck, 0, 1);
58f6fbe0 9653
f8bf1421 9654 os_free(buf);
58f6fbe0
JM		 9655 return ret;
9656}
9657
9658
5dfca53f
JB		 9659static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
9660{
9661 struct i802_bss *bss = priv;
9662 struct wpa_driver_nl80211_data *drv = bss->drv;
9663 struct nl_msg *msg;
9664 int ret;
9665
9666 msg = nlmsg_alloc();
9667 if (!msg)
9668 return;
9669
316a9e4d
JM		 9670 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
9671 (long long unsigned int) drv->send_action_cookie);
9fb04070 9672 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME_WAIT_CANCEL);
5dfca53f 9673
7940c790
AS		 9674 if (nl80211_set_iface_id(msg, bss) < 0)
9675 goto nla_put_failure;
5dfca53f
JB		 9676 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie);
9677
9678 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9679 msg = NULL;
9680 if (ret)
9681 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
9682 "(%s)", ret, strerror(-ret));
9683
9684 nla_put_failure:
9685 nlmsg_free(msg);
9686}
9687
9688
55777702
JM		 9689static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
9690 unsigned int duration)
9691{
a2e40bb6
FF		 9692 struct i802_bss *bss = priv;
9693 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 9694 struct nl_msg *msg;
9695 int ret;
9696 u64 cookie;
9697
9698 msg = nlmsg_alloc();
9699 if (!msg)
9700 return -1;
9701
9fb04070 9702 nl80211_cmd(drv, msg, 0, NL80211_CMD_REMAIN_ON_CHANNEL);
55777702 9703
f632e483 9704 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 9705 goto nla_put_failure;
9706
55777702
JM		 9707 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
9708 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
9709
9710 cookie = 0;
9711 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
5883168a 9712 msg = NULL;
55777702
JM		 9713 if (ret == 0) {
9714 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
9715 "0x%llx for freq=%u MHz duration=%u",
9716 (long long unsigned int) cookie, freq, duration);
9717 drv->remain_on_chan_cookie = cookie;
531f0331 9718 drv->pending_remain_on_chan = 1;
55777702
JM		 9719 return 0;
9720 }
9721 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 9722 "(freq=%d duration=%u): %d (%s)",
9723 freq, duration, ret, strerror(-ret));
55777702 9724nla_put_failure:
5883168a 9725 nlmsg_free(msg);
55777702
JM		 9726 return -1;
9727}
9728
9729
9730static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
9731{
a2e40bb6
FF		 9732 struct i802_bss *bss = priv;
9733 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 9734 struct nl_msg *msg;
9735 int ret;
9736
9737 if (!drv->pending_remain_on_chan) {
9738 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
9739 "to cancel");
9740 return -1;
9741 }
9742
9743 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
9744 "0x%llx",
9745 (long long unsigned int) drv->remain_on_chan_cookie);
9746
9747 msg = nlmsg_alloc();
9748 if (!msg)
9749 return -1;
9750
9fb04070 9751 nl80211_cmd(drv, msg, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
55777702 9752
f632e483 9753 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 9754 goto nla_put_failure;
9755
55777702
JM		 9756 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie);
9757
9758 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 9759 msg = NULL;
55777702
JM		 9760 if (ret == 0)
9761 return 0;
9762 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
9763 "%d (%s)", ret, strerror(-ret));
9764nla_put_failure:
5883168a 9765 nlmsg_free(msg);
55777702
JM		 9766 return -1;
9767}
9768
9769
9ebce9c5 9770static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 9771{
a2e40bb6 9772 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 9773
5582a5d1 9774 if (!report) {
0d891981
JM		 9775 if (bss->nl_preq && drv->device_ap_sme &&
9776 is_ap_interface(drv->nlmode)) {
9777 /*
9778 * Do not disable Probe Request reporting that was
9779 * enabled in nl80211_setup_ap().
9780 */
9781 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
9782 "Probe Request reporting nl_preq=%p while "
9783 "in AP mode", bss->nl_preq);
9784 } else if (bss->nl_preq) {
36488c05
JM		 9785 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
9786 "reporting nl_preq=%p", bss->nl_preq);
5f65e9f7 9787 nl80211_destroy_eloop_handle(&bss->nl_preq);
5582a5d1
JB		 9788 }
9789 return 0;
9790 }
9791
481234cf 9792 if (bss->nl_preq) {
5582a5d1 9793 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 9794 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 9795 return 0;
9796 }
9797
481234cf
JM		 9798 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
9799 if (bss->nl_preq == NULL)
5582a5d1 9800 return -1;
36488c05
JM		 9801 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
9802 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 9803
481234cf 9804 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 9805 (WLAN_FC_TYPE_MGMT << 2) |
9806 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 9807 NULL, 0) < 0)
9808 goto out_err;
5582a5d1 9809
5f65e9f7
JB		 9810 nl80211_register_eloop_read(&bss->nl_preq,
9811 wpa_driver_nl80211_event_receive,
9812 bss->nl_cb);
5582a5d1 9813
504e905c 9814 return 0;
5582a5d1 9815
a92dfde8 9816 out_err:
221a59c9 9817 nl_destroy_handles(&bss->nl_preq);
5582a5d1 9818 return -1;
504e905c
JM		 9819}
9820
9821
4e5cb1a3
JM		 9822static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
9823 int ifindex, int disabled)
9824{
9825 struct nl_msg *msg;
9826 struct nlattr *bands, *band;
9827 int ret;
9828
9829 msg = nlmsg_alloc();
9830 if (!msg)
9831 return -1;
9832
9fb04070 9833 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 9834 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
9835
9836 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
9837 if (!bands)
9838 goto nla_put_failure;
9839
9840 /*
9841 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
9842 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
9843 * rates. All 5 GHz rates are left enabled.
9844 */
9845 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
9846 if (!band)
9847 goto nla_put_failure;
1dea5882
JM		 9848 if (disabled) {
9849 NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8,
9850 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
9851 }
4e5cb1a3
JM		 9852 nla_nest_end(msg, band);
9853
9854 nla_nest_end(msg, bands);
9855
9856 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9857 msg = NULL;
9858 if (ret) {
9859 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
9860 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 9861 } else
9862 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 9863
9864 return ret;
9865
9866nla_put_failure:
9867 nlmsg_free(msg);
9868 return -1;
9869}
9870
9871
af473088
JM		 9872static int wpa_driver_nl80211_deinit_ap(void *priv)
9873{
a2e40bb6
FF		 9874 struct i802_bss *bss = priv;
9875 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 9876 if (!is_ap_interface(drv->nlmode))
af473088
JM		 9877 return -1;
9878 wpa_driver_nl80211_del_beacon(drv);
60b13c20
IP		 9879
9880 /*
9881 * If the P2P GO interface was dynamically added, then it is
9882 * possible that the interface change to station is not possible.
9883 */
9884 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
9885 return 0;
9886
b1f625e0 9887 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 9888}
9889
9890
695c7038
SW		 9891static int wpa_driver_nl80211_stop_ap(void *priv)
9892{
9893 struct i802_bss *bss = priv;
9894 struct wpa_driver_nl80211_data *drv = bss->drv;
9895 if (!is_ap_interface(drv->nlmode))
9896 return -1;
9897 wpa_driver_nl80211_del_beacon(drv);
9898 bss->beacon_set = 0;
9899 return 0;
9900}
9901
9902
3c29244e
EP		 9903static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
9904{
9905 struct i802_bss *bss = priv;
9906 struct wpa_driver_nl80211_data *drv = bss->drv;
9907 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
9908 return -1;
60b13c20
IP		 9909
9910 /*
9911 * If the P2P Client interface was dynamically added, then it is
9912 * possible that the interface change to station is not possible.
9913 */
9914 if (bss->if_dynamic)
9915 return 0;
9916
3c29244e
EP		 9917 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
9918}
9919
9920
207ef3fb
JM		 9921static void wpa_driver_nl80211_resume(void *priv)
9922{
a2e40bb6 9923 struct i802_bss *bss = priv;
91724d6f
AS		 9924
9925 if (i802_set_iface_flags(bss, 1))
9926 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
207ef3fb
JM		 9927}
9928
9929
7b90c16a
JM		 9930static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap,
9931 const u8 *ies, size_t ies_len)
9932{
9933 struct i802_bss *bss = priv;
9934 struct wpa_driver_nl80211_data *drv = bss->drv;
9935 int ret;
9936 u8 *data, *pos;
9937 size_t data_len;
341eebee 9938 const u8 *own_addr = bss->addr;
7b90c16a
JM		 9939
9940 if (action != 1) {
9941 wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action "
9942 "action %d", action);
9943 return -1;
9944 }
9945
9946 /*
9947 * Action frame payload:
9948 * Category[1] = 6 (Fast BSS Transition)
9949 * Action[1] = 1 (Fast BSS Transition Request)
9950 * STA Address
9951 * Target AP Address
9952 * FT IEs
9953 */
9954
73fc617d
JM		 9955 data_len = 2 + 2 * ETH_ALEN + ies_len;
9956 data = os_malloc(data_len);
7b90c16a
JM		 9957 if (data == NULL)
9958 return -1;
9959 pos = data;
9960 *pos++ = 0x06; /* FT Action category */
9961 *pos++ = action;
9962 os_memcpy(pos, own_addr, ETH_ALEN);
9963 pos += ETH_ALEN;
9964 os_memcpy(pos, target_ap, ETH_ALEN);
9965 pos += ETH_ALEN;
9966 os_memcpy(pos, ies, ies_len);
9967
190b9062
JB		 9968 ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0,
9969 drv->bssid, own_addr, drv->bssid,
b106173a 9970 data, data_len, 0);
7b90c16a
JM		 9971 os_free(data);
9972
9973 return ret;
9974}
9975
9976
b625473c
JM		 9977static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
9978{
9979 struct i802_bss *bss = priv;
9980 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 9981 struct nl_msg *msg;
9982 struct nlattr *cqm;
f0494d0f 9983 int ret = -1;
b625473c
JM		 9984
9985 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
9986 "hysteresis=%d", threshold, hysteresis);
9987
9988 msg = nlmsg_alloc();
9989 if (!msg)
9990 return -1;
9991
9fb04070 9992 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM);
b625473c
JM		 9993
9994 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
9995
8970bae8 9996 cqm = nla_nest_start(msg, NL80211_ATTR_CQM);
b625473c 9997 if (cqm == NULL)
21270bb4 9998 goto nla_put_failure;
b625473c 9999
8970bae8
JB		 10000 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold);
10001 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis);
10002 nla_nest_end(msg, cqm);
21270bb4 10003
f0494d0f 10004 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 10005 msg = NULL;
10006
10007nla_put_failure:
b625473c 10008 nlmsg_free(msg);
f0494d0f 10009 return ret;
b625473c
JM		 10010}
10011
10012
2cc8d8f4
AO		 10013/* Converts nl80211_chan_width to a common format */
10014static enum chan_width convert2width(int width)
10015{
10016 switch (width) {
10017 case NL80211_CHAN_WIDTH_20_NOHT:
10018 return CHAN_WIDTH_20_NOHT;
10019 case NL80211_CHAN_WIDTH_20:
10020 return CHAN_WIDTH_20;
10021 case NL80211_CHAN_WIDTH_40:
10022 return CHAN_WIDTH_40;
10023 case NL80211_CHAN_WIDTH_80:
10024 return CHAN_WIDTH_80;
10025 case NL80211_CHAN_WIDTH_80P80:
10026 return CHAN_WIDTH_80P80;
10027 case NL80211_CHAN_WIDTH_160:
10028 return CHAN_WIDTH_160;
10029 }
10030 return CHAN_WIDTH_UNKNOWN;
10031}
10032
10033
10034static int get_channel_width(struct nl_msg *msg, void *arg)
10035{
10036 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10037 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10038 struct wpa_signal_info *sig_change = arg;
10039
10040 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10041 genlmsg_attrlen(gnlh, 0), NULL);
10042
10043 sig_change->center_frq1 = -1;
10044 sig_change->center_frq2 = -1;
10045 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
10046
10047 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
10048 sig_change->chanwidth = convert2width(
10049 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
10050 if (tb[NL80211_ATTR_CENTER_FREQ1])
10051 sig_change->center_frq1 =
10052 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
10053 if (tb[NL80211_ATTR_CENTER_FREQ2])
10054 sig_change->center_frq2 =
10055 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
10056 }
10057
10058 return NL_SKIP;
10059}
10060
10061
10062static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
10063 struct wpa_signal_info *sig)
10064{
10065 struct nl_msg *msg;
10066
10067 msg = nlmsg_alloc();
10068 if (!msg)
10069 return -ENOMEM;
10070
10071 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_INTERFACE);
10072 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10073
10074 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
10075
10076nla_put_failure:
10077 nlmsg_free(msg);
10078 return -ENOBUFS;
10079}
10080
10081
1c5c7273
PS		 10082static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
10083{
10084 struct i802_bss *bss = priv;
10085 struct wpa_driver_nl80211_data *drv = bss->drv;
10086 int res;
10087
10088 os_memset(si, 0, sizeof(*si));
10089 res = nl80211_get_link_signal(drv, si);
10090 if (res != 0)
10091 return res;
10092
2cc8d8f4
AO		 10093 res = nl80211_get_channel_width(drv, si);
10094 if (res != 0)
10095 return res;
10096
1c5c7273
PS		 10097 return nl80211_get_link_noise(drv, si);
10098}
10099
10100
57ebba59
JJ		 10101static int wpa_driver_nl80211_shared_freq(void *priv)
10102{
10103 struct i802_bss *bss = priv;
10104 struct wpa_driver_nl80211_data *drv = bss->drv;
10105 struct wpa_driver_nl80211_data *driver;
10106 int freq = 0;
10107
10108 /*
10109 * If the same PHY is in connected state with some other interface,
10110 * then retrieve the assoc freq.
10111 */
10112 wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s",
10113 drv->phyname);
10114
10115 dl_list_for_each(driver, &drv->global->interfaces,
10116 struct wpa_driver_nl80211_data, list) {
10117 if (drv == driver ||
10118 os_strcmp(drv->phyname, driver->phyname) != 0 ||
10119 !driver->associated)
10120 continue;
10121
10122 wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s "
10123 MACSTR,
834ee56f
KP		 10124 driver->phyname, driver->first_bss->ifname,
10125 MAC2STR(driver->first_bss->addr));
d3bd0f05 10126 if (is_ap_interface(driver->nlmode))
834ee56f 10127 freq = driver->first_bss->freq;
d3bd0f05
JJ		 10128 else
10129 freq = nl80211_get_assoc_freq(driver);
57ebba59
JJ		 10130 wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d",
10131 drv->phyname, freq);
10132 }
10133
10134 if (!freq)
10135 wpa_printf(MSG_DEBUG, "nl80211: No shared interface for "
10136 "PHY (%s) in associated state", drv->phyname);
10137
10138 return freq;
10139}
10140
10141
b91ab76e
JM		 10142static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
10143 int encrypt)
10144{
10145 struct i802_bss *bss = priv;
55231068
JM		 10146 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
10147 0, 0, 0, 0);
b91ab76e
JM		 10148}
10149
10150
c55f774d
JM		 10151static int nl80211_set_param(void *priv, const char *param)
10152{
c55f774d
JM		 10153 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
10154 if (param == NULL)
10155 return 0;
10156
10157#ifdef CONFIG_P2P
10158 if (os_strstr(param, "use_p2p_group_interface=1")) {
482856c8
JM		 10159 struct i802_bss *bss = priv;
10160 struct wpa_driver_nl80211_data *drv = bss->drv;
10161
c55f774d
JM		 10162 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
10163 "interface");
10164 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
10165 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
10166 }
851b0c55
JM		 10167
10168 if (os_strstr(param, "p2p_device=1")) {
10169 struct i802_bss *bss = priv;
10170 struct wpa_driver_nl80211_data *drv = bss->drv;
10171 drv->allow_p2p_device = 1;
10172 }
c55f774d
JM		 10173#endif /* CONFIG_P2P */
10174
10175 return 0;
10176}
10177
10178
f2ed8023
JM		 10179static void * nl80211_global_init(void)
10180{
10181 struct nl80211_global *global;
36d84860
BG		 10182 struct netlink_config *cfg;
10183
f2ed8023
JM		 10184 global = os_zalloc(sizeof(*global));
10185 if (global == NULL)
10186 return NULL;
c81eff1a 10187 global->ioctl_sock = -1;
f2ed8023 10188 dl_list_init(&global->interfaces);
ff6a158b 10189 global->if_add_ifindex = -1;
36d84860
BG		 10190
10191 cfg = os_zalloc(sizeof(*cfg));
10192 if (cfg == NULL)
10193 goto err;
10194
10195 cfg->ctx = global;
10196 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
10197 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
10198 global->netlink = netlink_init(cfg);
10199 if (global->netlink == NULL) {
10200 os_free(cfg);
10201 goto err;
10202 }
10203
2a7b66f5
BG		 10204 if (wpa_driver_nl80211_init_nl_global(global) < 0)
10205 goto err;
10206
c81eff1a
BG		 10207 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
10208 if (global->ioctl_sock < 0) {
7ac3616d
JM		 10209 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
10210 strerror(errno));
c81eff1a
BG		 10211 goto err;
10212 }
10213
f2ed8023 10214 return global;
36d84860
BG		 10215
10216err:
10217 nl80211_global_deinit(global);
10218 return NULL;
f2ed8023
JM		 10219}
10220
10221
10222static void nl80211_global_deinit(void *priv)
10223{
10224 struct nl80211_global *global = priv;
10225 if (global == NULL)
10226 return;
10227 if (!dl_list_empty(&global->interfaces)) {
10228 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
10229 "nl80211_global_deinit",
10230 dl_list_len(&global->interfaces));
10231 }
36d84860
BG		 10232
10233 if (global->netlink)
10234 netlink_deinit(global->netlink);
10235
276e2d67
BG		 10236 nl_destroy_handles(&global->nl);
10237
5f65e9f7
JB		 10238 if (global->nl_event)
10239 nl80211_destroy_eloop_handle(&global->nl_event);
d6c9aab8
JB		 10240
10241 nl_cb_put(global->nl_cb);
2a7b66f5 10242
c81eff1a
BG		 10243 if (global->ioctl_sock >= 0)
10244 close(global->ioctl_sock);
10245
f2ed8023
JM		 10246 os_free(global);
10247}
10248
10249
6859f1cb
BG		 10250static const char * nl80211_get_radio_name(void *priv)
10251{
10252 struct i802_bss *bss = priv;
10253 struct wpa_driver_nl80211_data *drv = bss->drv;
10254 return drv->phyname;
10255}
10256
10257
a6efc65d
JM		 10258static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
10259 const u8 *pmkid)
10260{
10261 struct nl_msg *msg;
10262
10263 msg = nlmsg_alloc();
10264 if (!msg)
10265 return -ENOMEM;
10266
9fb04070 10267 nl80211_cmd(bss->drv, msg, 0, cmd);
a6efc65d
JM		 10268
10269 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
10270 if (pmkid)
10271 NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid);
10272 if (bssid)
10273 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
10274
10275 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
10276 nla_put_failure:
9e088e74 10277 nlmsg_free(msg);
a6efc65d
JM		 10278 return -ENOBUFS;
10279}
10280
10281
10282static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
10283{
10284 struct i802_bss *bss = priv;
10285 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
10286 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
10287}
10288
10289
10290static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
10291{
10292 struct i802_bss *bss = priv;
10293 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
10294 MAC2STR(bssid));
10295 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
10296}
10297
10298
10299static int nl80211_flush_pmkid(void *priv)
10300{
10301 struct i802_bss *bss = priv;
10302 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
10303 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
10304}
10305
10306
0185007c
MK		 10307static void clean_survey_results(struct survey_results *survey_results)
10308{
10309 struct freq_survey *survey, *tmp;
10310
10311 if (dl_list_empty(&survey_results->survey_list))
10312 return;
10313
10314 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
10315 struct freq_survey, list) {
10316 dl_list_del(&survey->list);
10317 os_free(survey);
10318 }
10319}
10320
10321
10322static void add_survey(struct nlattr **sinfo, u32 ifidx,
10323 struct dl_list *survey_list)
10324{
10325 struct freq_survey *survey;
10326
10327 survey = os_zalloc(sizeof(struct freq_survey));
10328 if (!survey)
10329 return;
10330
10331 survey->ifidx = ifidx;
10332 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
10333 survey->filled = 0;
10334
10335 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
10336 survey->nf = (int8_t)
10337 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
10338 survey->filled |= SURVEY_HAS_NF;
10339 }
10340
10341 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
10342 survey->channel_time =
10343 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
10344 survey->filled |= SURVEY_HAS_CHAN_TIME;
10345 }
10346
10347 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
10348 survey->channel_time_busy =
10349 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
10350 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
10351 }
10352
10353 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
10354 survey->channel_time_rx =
10355 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
10356 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
10357 }
10358
10359 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
10360 survey->channel_time_tx =
10361 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
10362 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
10363 }
10364
10365 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)",
10366 survey->freq,
10367 survey->nf,
10368 (unsigned long int) survey->channel_time,
10369 (unsigned long int) survey->channel_time_busy,
10370 (unsigned long int) survey->channel_time_tx,
10371 (unsigned long int) survey->channel_time_rx,
10372 survey->filled);
10373
10374 dl_list_add_tail(survey_list, &survey->list);
10375}
10376
10377
10378static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
10379 unsigned int freq_filter)
10380{
10381 if (!freq_filter)
10382 return 1;
10383
10384 return freq_filter == surveyed_freq;
10385}
10386
10387
10388static int survey_handler(struct nl_msg *msg, void *arg)
10389{
10390 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10391 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10392 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
10393 struct survey_results *survey_results;
10394 u32 surveyed_freq = 0;
10395 u32 ifidx;
10396
10397 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
10398 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
10399 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
10400 };
10401
10402 survey_results = (struct survey_results *) arg;
10403
10404 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10405 genlmsg_attrlen(gnlh, 0), NULL);
10406
10407 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
10408
10409 if (!tb[NL80211_ATTR_SURVEY_INFO])
10410 return NL_SKIP;
10411
10412 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
10413 tb[NL80211_ATTR_SURVEY_INFO],
10414 survey_policy))
10415 return NL_SKIP;
10416
10417 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
10418 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
10419 return NL_SKIP;
10420 }
10421
10422 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
10423
10424 if (!check_survey_ok(sinfo, surveyed_freq,
10425 survey_results->freq_filter))
10426 return NL_SKIP;
10427
10428 if (survey_results->freq_filter &&
10429 survey_results->freq_filter != surveyed_freq) {
10430 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
10431 surveyed_freq);
10432 return NL_SKIP;
10433 }
10434
10435 add_survey(sinfo, ifidx, &survey_results->survey_list);
10436
10437 return NL_SKIP;
10438}
10439
10440
10441static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
10442{
10443 struct i802_bss *bss = priv;
10444 struct wpa_driver_nl80211_data *drv = bss->drv;
10445 struct nl_msg *msg;
10446 int err = -ENOBUFS;
10447 union wpa_event_data data;
10448 struct survey_results *survey_results;
10449
10450 os_memset(&data, 0, sizeof(data));
10451 survey_results = &data.survey_results;
10452
10453 dl_list_init(&survey_results->survey_list);
10454
10455 msg = nlmsg_alloc();
10456 if (!msg)
10457 goto nla_put_failure;
10458
10459 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
10460
10461 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10462
10463 if (freq)
10464 data.survey_results.freq_filter = freq;
10465
10466 do {
10467 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
10468 err = send_and_recv_msgs(drv, msg, survey_handler,
10469 survey_results);
10470 } while (err > 0);
10471
10472 if (err) {
10473 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
10474 goto out_clean;
10475 }
10476
10477 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
10478
10479out_clean:
10480 clean_survey_results(survey_results);
10481nla_put_failure:
10482 return err;
10483}
10484
10485
b14a210c
JB		 10486static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
10487 const u8 *replay_ctr)
10488{
10489 struct i802_bss *bss = priv;
10490 struct wpa_driver_nl80211_data *drv = bss->drv;
10491 struct nlattr *replay_nested;
10492 struct nl_msg *msg;
10493
10494 msg = nlmsg_alloc();
10495 if (!msg)
10496 return;
10497
9fb04070 10498 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
b14a210c
JB		 10499
10500 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10501
10502 replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
10503 if (!replay_nested)
10504 goto nla_put_failure;
10505
10506 NLA_PUT(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek);
10507 NLA_PUT(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck);
10508 NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
10509 replay_ctr);
10510
10511 nla_nest_end(msg, replay_nested);
10512
10513 send_and_recv_msgs(drv, msg, NULL, NULL);
10514 return;
10515 nla_put_failure:
10516 nlmsg_free(msg);
10517}
10518
10519
39718852
JB		 10520static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
10521 const u8 *addr, int qos)
bcf24348 10522{
39718852
JB		 10523 /* send data frame to poll STA and check whether
10524 * this frame is ACKed */
bcf24348
JB		 10525 struct {
10526 struct ieee80211_hdr hdr;
10527 u16 qos_ctl;
10528 } STRUCT_PACKED nulldata;
10529 size_t size;
10530
10531 /* Send data frame to poll STA and check whether this frame is ACKed */
10532
10533 os_memset(&nulldata, 0, sizeof(nulldata));
10534
10535 if (qos) {
10536 nulldata.hdr.frame_control =
10537 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10538 WLAN_FC_STYPE_QOS_NULL);
10539 size = sizeof(nulldata);
10540 } else {
10541 nulldata.hdr.frame_control =
10542 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10543 WLAN_FC_STYPE_NULLFUNC);
10544 size = sizeof(struct ieee80211_hdr);
10545 }
10546
10547 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
10548 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
10549 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
10550 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
10551
9ebce9c5
JM		 10552 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
10553 0, 0) < 0)
bcf24348
JB		 10554 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
10555 "send poll frame");
10556}
10557
39718852
JB		 10558static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
10559 int qos)
10560{
10561 struct i802_bss *bss = priv;
10562 struct wpa_driver_nl80211_data *drv = bss->drv;
10563 struct nl_msg *msg;
10564
10565 if (!drv->poll_command_supported) {
10566 nl80211_send_null_frame(bss, own_addr, addr, qos);
10567 return;
10568 }
10569
10570 msg = nlmsg_alloc();
10571 if (!msg)
10572 return;
10573
10574 nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT);
10575
10576 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10577 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
10578
10579 send_and_recv_msgs(drv, msg, NULL, NULL);
10580 return;
10581 nla_put_failure:
10582 nlmsg_free(msg);
10583}
10584
bcf24348 10585
29f338af
JM		 10586static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
10587{
10588 struct nl_msg *msg;
10589
10590 msg = nlmsg_alloc();
10591 if (!msg)
10592 return -ENOMEM;
10593
10594 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE);
10595 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10596 NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE,
10597 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED);
10598 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
10599nla_put_failure:
10600 nlmsg_free(msg);
10601 return -ENOBUFS;
10602}
10603
10604
10605static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
10606 int ctwindow)
10607{
10608 struct i802_bss *bss = priv;
10609
10610 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
10611 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
10612
10613 if (opp_ps != -1 || ctwindow != -1)
10614 return -1; /* Not yet supported */
10615
10616 if (legacy_ps == -1)
10617 return 0;
10618 if (legacy_ps != 0 && legacy_ps != 1)
10619 return -1; /* Not yet supported */
10620
10621 return nl80211_set_power_save(bss, legacy_ps);
10622}
10623
10624
04e8003c
JD		 10625static int nl80211_start_radar_detection(void *priv,
10626 struct hostapd_freq_params *freq)
f90e9c1c
SW		 10627{
10628 struct i802_bss *bss = priv;
10629 struct wpa_driver_nl80211_data *drv = bss->drv;
10630 struct nl_msg *msg;
10631 int ret;
10632
04e8003c
JD		 10633 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)",
10634 freq->freq, freq->ht_enabled, freq->vht_enabled,
10635 freq->bandwidth, freq->center_freq1, freq->center_freq2);
10636
f90e9c1c
SW		 10637 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
10638 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
10639 "detection");
10640 return -1;
10641 }
10642
10643 msg = nlmsg_alloc();
10644 if (!msg)
10645 return -1;
10646
10647 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_RADAR_DETECT);
10648 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
04e8003c 10649 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq);
f90e9c1c 10650
04e8003c
JD		 10651 if (freq->vht_enabled) {
10652 switch (freq->bandwidth) {
10653 case 20:
10654 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
10655 NL80211_CHAN_WIDTH_20);
10656 break;
10657 case 40:
10658 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
10659 NL80211_CHAN_WIDTH_40);
10660 break;
10661 case 80:
10662 if (freq->center_freq2)
10663 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
10664 NL80211_CHAN_WIDTH_80P80);
10665 else
10666 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
10667 NL80211_CHAN_WIDTH_80);
10668 break;
10669 case 160:
10670 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
10671 NL80211_CHAN_WIDTH_160);
10672 break;
10673 default:
10674 return -1;
10675 }
10676 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1);
10677 if (freq->center_freq2)
10678 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2,
10679 freq->center_freq2);
10680 } else if (freq->ht_enabled) {
10681 switch (freq->sec_channel_offset) {
10682 case -1:
10683 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
10684 NL80211_CHAN_HT40MINUS);
10685 break;
10686 case 1:
10687 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
10688 NL80211_CHAN_HT40PLUS);
10689 break;
10690 default:
10691 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
10692 NL80211_CHAN_HT20);
10693 break;
10694 }
10695 }
f90e9c1c
SW		 10696
10697 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10698 if (ret == 0)
10699 return 0;
10700 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
10701 "%d (%s)", ret, strerror(-ret));
10702nla_put_failure:
10703 return -1;
10704}
10705
03ea1786
AN		 10706#ifdef CONFIG_TDLS
10707
10708static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
10709 u8 dialog_token, u16 status_code,
10710 const u8 *buf, size_t len)
10711{
10712 struct i802_bss *bss = priv;
10713 struct wpa_driver_nl80211_data *drv = bss->drv;
10714 struct nl_msg *msg;
10715
10716 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10717 return -EOPNOTSUPP;
10718
10719 if (!dst)
10720 return -EINVAL;
10721
10722 msg = nlmsg_alloc();
10723 if (!msg)
10724 return -ENOMEM;
10725
10726 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_MGMT);
10727 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10728 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
10729 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_ACTION, action_code);
10730 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token);
10731 NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status_code);
10732 NLA_PUT(msg, NL80211_ATTR_IE, len, buf);
10733
10734 return send_and_recv_msgs(drv, msg, NULL, NULL);
10735
10736nla_put_failure:
10737 nlmsg_free(msg);
10738 return -ENOBUFS;
10739}
10740
10741
10742static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
10743{
10744 struct i802_bss *bss = priv;
10745 struct wpa_driver_nl80211_data *drv = bss->drv;
10746 struct nl_msg *msg;
10747 enum nl80211_tdls_operation nl80211_oper;
10748
10749 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10750 return -EOPNOTSUPP;
10751
10752 switch (oper) {
10753 case TDLS_DISCOVERY_REQ:
10754 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
10755 break;
10756 case TDLS_SETUP:
10757 nl80211_oper = NL80211_TDLS_SETUP;
10758 break;
10759 case TDLS_TEARDOWN:
10760 nl80211_oper = NL80211_TDLS_TEARDOWN;
10761 break;
10762 case TDLS_ENABLE_LINK:
10763 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
10764 break;
10765 case TDLS_DISABLE_LINK:
10766 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
10767 break;
10768 case TDLS_ENABLE:
10769 return 0;
10770 case TDLS_DISABLE:
10771 return 0;
10772 default:
10773 return -EINVAL;
10774 }
10775
10776 msg = nlmsg_alloc();
10777 if (!msg)
10778 return -ENOMEM;
10779
10780 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_OPER);
10781 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper);
10782 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10783 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer);
10784
10785 return send_and_recv_msgs(drv, msg, NULL, NULL);
10786
10787nla_put_failure:
10788 nlmsg_free(msg);
10789 return -ENOBUFS;
10790}
10791
10792#endif /* CONFIG TDLS */
10793
10794
216eede8
DS		 10795#ifdef ANDROID
10796
10797typedef struct android_wifi_priv_cmd {
10798 char *buf;
10799 int used_len;
10800 int total_len;
10801} android_wifi_priv_cmd;
10802
10803static int drv_errors = 0;
10804
10805static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv)
10806{
10807 drv_errors++;
10808 if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) {
10809 drv_errors = 0;
10810 wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED");
10811 }
10812}
10813
10814
10815static int android_priv_cmd(struct i802_bss *bss, const char *cmd)
10816{
10817 struct wpa_driver_nl80211_data *drv = bss->drv;
10818 struct ifreq ifr;
10819 android_wifi_priv_cmd priv_cmd;
10820 char buf[MAX_DRV_CMD_SIZE];
10821 int ret;
10822
10823 os_memset(&ifr, 0, sizeof(ifr));
10824 os_memset(&priv_cmd, 0, sizeof(priv_cmd));
10825 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
10826
10827 os_memset(buf, 0, sizeof(buf));
10828 os_strlcpy(buf, cmd, sizeof(buf));
10829
10830 priv_cmd.buf = buf;
10831 priv_cmd.used_len = sizeof(buf);
10832 priv_cmd.total_len = sizeof(buf);
10833 ifr.ifr_data = &priv_cmd;
10834
10835 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
10836 if (ret < 0) {
10837 wpa_printf(MSG_ERROR, "%s: failed to issue private commands",
10838 __func__);
10839 wpa_driver_send_hang_msg(drv);
10840 return ret;
10841 }
10842
10843 drv_errors = 0;
10844 return 0;
10845}
10846
10847
10848static int android_pno_start(struct i802_bss *bss,
10849 struct wpa_driver_scan_params *params)
10850{
10851 struct wpa_driver_nl80211_data *drv = bss->drv;
10852 struct ifreq ifr;
10853 android_wifi_priv_cmd priv_cmd;
10854 int ret = 0, i = 0, bp;
10855 char buf[WEXT_PNO_MAX_COMMAND_SIZE];
10856
10857 bp = WEXT_PNOSETUP_HEADER_SIZE;
10858 os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp);
10859 buf[bp++] = WEXT_PNO_TLV_PREFIX;
10860 buf[bp++] = WEXT_PNO_TLV_VERSION;
10861 buf[bp++] = WEXT_PNO_TLV_SUBVERSION;
10862 buf[bp++] = WEXT_PNO_TLV_RESERVED;
10863
10864 while (i < WEXT_PNO_AMOUNT && (size_t) i < params->num_ssids) {
10865 /* Check that there is enough space needed for 1 more SSID, the
10866 * other sections and null termination */
10867 if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN +
10868 WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int) sizeof(buf))
10869 break;
10870 wpa_hexdump_ascii(MSG_DEBUG, "For PNO Scan",
a97bde0a
JM		 10871 params->ssids[i].ssid,
10872 params->ssids[i].ssid_len);
216eede8
DS		 10873 buf[bp++] = WEXT_PNO_SSID_SECTION;
10874 buf[bp++] = params->ssids[i].ssid_len;
10875 os_memcpy(&buf[bp], params->ssids[i].ssid,
10876 params->ssids[i].ssid_len);
10877 bp += params->ssids[i].ssid_len;
10878 i++;
10879 }
10880
10881 buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION;
10882 os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x",
10883 WEXT_PNO_SCAN_INTERVAL);
10884 bp += WEXT_PNO_SCAN_INTERVAL_LENGTH;
10885
10886 buf[bp++] = WEXT_PNO_REPEAT_SECTION;
10887 os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x",
10888 WEXT_PNO_REPEAT);
10889 bp += WEXT_PNO_REPEAT_LENGTH;
10890
10891 buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION;
10892 os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x",
10893 WEXT_PNO_MAX_REPEAT);
10894 bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1;
10895
10896 memset(&ifr, 0, sizeof(ifr));
10897 memset(&priv_cmd, 0, sizeof(priv_cmd));
24f051eb 10898 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
216eede8
DS		 10899
10900 priv_cmd.buf = buf;
10901 priv_cmd.used_len = bp;
10902 priv_cmd.total_len = bp;
10903 ifr.ifr_data = &priv_cmd;
10904
10905 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
10906
10907 if (ret < 0) {
10908 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d",
10909 ret);
10910 wpa_driver_send_hang_msg(drv);
10911 return ret;
10912 }
10913
10914 drv_errors = 0;
10915
10916 return android_priv_cmd(bss, "PNOFORCE 1");
10917}
10918
10919
10920static int android_pno_stop(struct i802_bss *bss)
10921{
10922 return android_priv_cmd(bss, "PNOFORCE 0");
10923}
10924
10925#endif /* ANDROID */
10926
10927
9ebce9c5
JM		 10928static int driver_nl80211_set_key(const char *ifname, void *priv,
10929 enum wpa_alg alg, const u8 *addr,
10930 int key_idx, int set_tx,
10931 const u8 *seq, size_t seq_len,
10932 const u8 *key, size_t key_len)
10933{
10934 struct i802_bss *bss = priv;
10935 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
10936 set_tx, seq, seq_len, key, key_len);
10937}
10938
10939
10940static int driver_nl80211_scan2(void *priv,
10941 struct wpa_driver_scan_params *params)
10942{
10943 struct i802_bss *bss = priv;
10944 return wpa_driver_nl80211_scan(bss, params);
10945}
10946
10947
10948static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
10949 int reason_code)
10950{
10951 struct i802_bss *bss = priv;
10952 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
10953}
10954
10955
10956static int driver_nl80211_authenticate(void *priv,
10957 struct wpa_driver_auth_params *params)
10958{
10959 struct i802_bss *bss = priv;
10960 return wpa_driver_nl80211_authenticate(bss, params);
10961}
10962
10963
10964static void driver_nl80211_deinit(void *priv)
10965{
10966 struct i802_bss *bss = priv;
10967 wpa_driver_nl80211_deinit(bss);
10968}
10969
10970
10971static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
10972 const char *ifname)
10973{
10974 struct i802_bss *bss = priv;
10975 return wpa_driver_nl80211_if_remove(bss, type, ifname);
10976}
10977
10978
10979static int driver_nl80211_send_mlme(void *priv, const u8 *data,
10980 size_t data_len, int noack)
10981{
10982 struct i802_bss *bss = priv;
10983 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
10984 0, 0, 0, 0);
10985}
10986
10987
10988static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
10989{
10990 struct i802_bss *bss = priv;
10991 return wpa_driver_nl80211_sta_remove(bss, addr);
10992}
10993
10994
9ebce9c5
JM		 10995static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
10996 const char *ifname, int vlan_id)
10997{
10998 struct i802_bss *bss = priv;
10999 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
11000}
9ebce9c5
JM		 11001
11002
11003static int driver_nl80211_read_sta_data(void *priv,
11004 struct hostap_sta_driver_data *data,
11005 const u8 *addr)
11006{
11007 struct i802_bss *bss = priv;
11008 return i802_read_sta_data(bss, data, addr);
11009}
11010
11011
11012static int driver_nl80211_send_action(void *priv, unsigned int freq,
11013 unsigned int wait_time,
11014 const u8 *dst, const u8 *src,
11015 const u8 *bssid,
11016 const u8 *data, size_t data_len,
11017 int no_cck)
11018{
11019 struct i802_bss *bss = priv;
11020 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
11021 bssid, data, data_len, no_cck);
11022}
11023
11024
11025static int driver_nl80211_probe_req_report(void *priv, int report)
11026{
11027 struct i802_bss *bss = priv;
11028 return wpa_driver_nl80211_probe_req_report(bss, report);
11029}
11030
11031
6a1ce395
DG		 11032static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
11033 const u8 *ies, size_t ies_len)
11034{
11035 int ret;
11036 struct nl_msg *msg;
11037 struct i802_bss *bss = priv;
11038 struct wpa_driver_nl80211_data *drv = bss->drv;
11039 u16 mdid = WPA_GET_LE16(md);
11040
11041 msg = nlmsg_alloc();
11042 if (!msg)
11043 return -ENOMEM;
11044
11045 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
11046 nl80211_cmd(drv, msg, 0, NL80211_CMD_UPDATE_FT_IES);
11047 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
11048 NLA_PUT(msg, NL80211_ATTR_IE, ies_len, ies);
11049 NLA_PUT_U16(msg, NL80211_ATTR_MDID, mdid);
11050
11051 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11052 if (ret) {
11053 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
11054 "err=%d (%s)", ret, strerror(-ret));
11055 }
11056
11057 return ret;
11058
11059nla_put_failure:
11060 nlmsg_free(msg);
11061 return -ENOBUFS;
11062}
11063
11064
597b94f5
AS		 11065const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
11066{
11067 struct i802_bss *bss = priv;
11068 struct wpa_driver_nl80211_data *drv = bss->drv;
11069
11070 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
11071 return NULL;
11072
11073 return bss->addr;
11074}
11075
11076
a771c07d
JM		 11077static const char * scan_state_str(enum scan_states scan_state)
11078{
11079 switch (scan_state) {
11080 case NO_SCAN:
11081 return "NO_SCAN";
11082 case SCAN_REQUESTED:
11083 return "SCAN_REQUESTED";
11084 case SCAN_STARTED:
11085 return "SCAN_STARTED";
11086 case SCAN_COMPLETED:
11087 return "SCAN_COMPLETED";
11088 case SCAN_ABORTED:
11089 return "SCAN_ABORTED";
11090 case SCHED_SCAN_STARTED:
11091 return "SCHED_SCAN_STARTED";
11092 case SCHED_SCAN_STOPPED:
11093 return "SCHED_SCAN_STOPPED";
11094 case SCHED_SCAN_RESULTS:
11095 return "SCHED_SCAN_RESULTS";
11096 }
11097
11098 return "??";
11099}
11100
11101
11102static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
11103{
11104 struct i802_bss *bss = priv;
11105 struct wpa_driver_nl80211_data *drv = bss->drv;
11106 int res;
11107 char *pos, *end;
11108
11109 pos = buf;
11110 end = buf + buflen;
11111
11112 res = os_snprintf(pos, end - pos,
11113 "ifindex=%d\n"
11114 "ifname=%s\n"
11115 "brname=%s\n"
11116 "addr=" MACSTR "\n"
11117 "freq=%d\n"
11118 "%s%s%s%s%s",
11119 bss->ifindex,
11120 bss->ifname,
11121 bss->brname,
11122 MAC2STR(bss->addr),
11123 bss->freq,
11124 bss->beacon_set ? "beacon_set=1\n" : "",
11125 bss->added_if_into_bridge ?
11126 "added_if_into_bridge=1\n" : "",
11127 bss->added_bridge ? "added_bridge=1\n" : "",
11128 bss->in_deinit ? "in_deinit=1\n" : "",
11129 bss->if_dynamic ? "if_dynamic=1\n" : "");
11130 if (res < 0 || res >= end - pos)
11131 return pos - buf;
11132 pos += res;
11133
11134 if (bss->wdev_id_set) {
11135 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
11136 (unsigned long long) bss->wdev_id);
11137 if (res < 0 || res >= end - pos)
11138 return pos - buf;
11139 pos += res;
11140 }
11141
11142 res = os_snprintf(pos, end - pos,
11143 "phyname=%s\n"
11144 "drv_ifindex=%d\n"
11145 "operstate=%d\n"
11146 "scan_state=%s\n"
11147 "auth_bssid=" MACSTR "\n"
11148 "auth_attempt_bssid=" MACSTR "\n"
11149 "bssid=" MACSTR "\n"
11150 "prev_bssid=" MACSTR "\n"
11151 "associated=%d\n"
11152 "assoc_freq=%u\n"
11153 "monitor_sock=%d\n"
11154 "monitor_ifidx=%d\n"
11155 "monitor_refcount=%d\n"
11156 "last_mgmt_freq=%u\n"
11157 "eapol_tx_sock=%d\n"
11158 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
11159 drv->phyname,
11160 drv->ifindex,
11161 drv->operstate,
11162 scan_state_str(drv->scan_state),
11163 MAC2STR(drv->auth_bssid),
11164 MAC2STR(drv->auth_attempt_bssid),
11165 MAC2STR(drv->bssid),
11166 MAC2STR(drv->prev_bssid),
11167 drv->associated,
11168 drv->assoc_freq,
11169 drv->monitor_sock,
11170 drv->monitor_ifidx,
11171 drv->monitor_refcount,
11172 drv->last_mgmt_freq,
11173 drv->eapol_tx_sock,
11174 drv->ignore_if_down_event ?
11175 "ignore_if_down_event=1\n" : "",
11176 drv->scan_complete_events ?
11177 "scan_complete_events=1\n" : "",
11178 drv->disabled_11b_rates ?
11179 "disabled_11b_rates=1\n" : "",
11180 drv->pending_remain_on_chan ?
11181 "pending_remain_on_chan=1\n" : "",
11182 drv->in_interface_list ? "in_interface_list=1\n" : "",
11183 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
11184 drv->poll_command_supported ?
11185 "poll_command_supported=1\n" : "",
11186 drv->data_tx_status ? "data_tx_status=1\n" : "",
11187 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
11188 drv->retry_auth ? "retry_auth=1\n" : "",
11189 drv->use_monitor ? "use_monitor=1\n" : "",
11190 drv->ignore_next_local_disconnect ?
11191 "ignore_next_local_disconnect=1\n" : "",
11192 drv->allow_p2p_device ? "allow_p2p_device=1\n" : "");
11193 if (res < 0 || res >= end - pos)
11194 return pos - buf;
11195 pos += res;
11196
11197 if (drv->has_capability) {
11198 res = os_snprintf(pos, end - pos,
11199 "capa.key_mgmt=0x%x\n"
11200 "capa.enc=0x%x\n"
11201 "capa.auth=0x%x\n"
11202 "capa.flags=0x%x\n"
11203 "capa.max_scan_ssids=%d\n"
11204 "capa.max_sched_scan_ssids=%d\n"
11205 "capa.sched_scan_supported=%d\n"
11206 "capa.max_match_sets=%d\n"
11207 "capa.max_remain_on_chan=%u\n"
11208 "capa.max_stations=%u\n"
11209 "capa.probe_resp_offloads=0x%x\n"
11210 "capa.max_acl_mac_addrs=%u\n"
11211 "capa.num_multichan_concurrent=%u\n",
11212 drv->capa.key_mgmt,
11213 drv->capa.enc,
11214 drv->capa.auth,
11215 drv->capa.flags,
11216 drv->capa.max_scan_ssids,
11217 drv->capa.max_sched_scan_ssids,
11218 drv->capa.sched_scan_supported,
11219 drv->capa.max_match_sets,
11220 drv->capa.max_remain_on_chan,
11221 drv->capa.max_stations,
11222 drv->capa.probe_resp_offloads,
11223 drv->capa.max_acl_mac_addrs,
11224 drv->capa.num_multichan_concurrent);
11225 if (res < 0 || res >= end - pos)
11226 return pos - buf;
11227 pos += res;
11228 }
11229
11230 return pos - buf;
11231}
11232
11233
1c4ffa87
AO		 11234static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
11235{
11236 if (settings->head)
11237 NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD,
11238 settings->head_len, settings->head);
11239
11240 if (settings->tail)
11241 NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL,
11242 settings->tail_len, settings->tail);
11243
11244 if (settings->beacon_ies)
11245 NLA_PUT(msg, NL80211_ATTR_IE,
11246 settings->beacon_ies_len, settings->beacon_ies);
11247
11248 if (settings->proberesp_ies)
11249 NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP,
11250 settings->proberesp_ies_len, settings->proberesp_ies);
11251
11252 if (settings->assocresp_ies)
11253 NLA_PUT(msg,
11254 NL80211_ATTR_IE_ASSOC_RESP,
11255 settings->assocresp_ies_len, settings->assocresp_ies);
11256
11257 if (settings->probe_resp)
11258 NLA_PUT(msg, NL80211_ATTR_PROBE_RESP,
11259 settings->probe_resp_len, settings->probe_resp);
11260
11261 return 0;
11262
11263nla_put_failure:
11264 return -ENOBUFS;
11265}
11266
11267
11268static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
11269{
11270 struct nl_msg *msg;
11271 struct i802_bss *bss = priv;
11272 struct wpa_driver_nl80211_data *drv = bss->drv;
11273 struct nlattr *beacon_csa;
11274 int ret = -ENOBUFS;
11275
11276 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d)",
11277 settings->cs_count, settings->block_tx,
11278 settings->freq_params.freq);
11279
11280 if (!drv->channel_switch_supported) {
11281 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
11282 return -EOPNOTSUPP;
11283 }
11284
11285 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
11286 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
11287 return -EOPNOTSUPP;
11288
11289 /* check settings validity */
11290 if (!settings->beacon_csa.tail ||
11291 ((settings->beacon_csa.tail_len <=
11292 settings->counter_offset_beacon) ||
11293 (settings->beacon_csa.tail[settings->counter_offset_beacon] !=
11294 settings->cs_count)))
11295 return -EINVAL;
11296
11297 if (settings->beacon_csa.probe_resp &&
11298 ((settings->beacon_csa.probe_resp_len <=
11299 settings->counter_offset_presp) ||
11300 (settings->beacon_csa.probe_resp[settings->counter_offset_presp] !=
11301 settings->cs_count)))
11302 return -EINVAL;
11303
11304 msg = nlmsg_alloc();
11305 if (!msg)
11306 return -ENOMEM;
11307
11308 nl80211_cmd(drv, msg, 0, NL80211_CMD_CHANNEL_SWITCH);
11309 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
11310 NLA_PUT_U32(msg, NL80211_ATTR_CH_SWITCH_COUNT, settings->cs_count);
11311 ret = nl80211_put_freq_params(msg, &settings->freq_params);
11312 if (ret)
11313 goto error;
11314
11315 if (settings->block_tx)
11316 NLA_PUT_FLAG(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX);
11317
11318 /* beacon_after params */
11319 ret = set_beacon_data(msg, &settings->beacon_after);
11320 if (ret)
11321 goto error;
11322
11323 /* beacon_csa params */
11324 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
11325 if (!beacon_csa)
11326 goto nla_put_failure;
11327
11328 ret = set_beacon_data(msg, &settings->beacon_csa);
11329 if (ret)
11330 goto error;
11331
11332 NLA_PUT_U16(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
11333 settings->counter_offset_beacon);
11334
11335 if (settings->beacon_csa.probe_resp)
11336 NLA_PUT_U16(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
11337 settings->counter_offset_presp);
11338
11339 nla_nest_end(msg, beacon_csa);
11340 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11341 if (ret) {
11342 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
11343 ret, strerror(-ret));
11344 }
11345 return ret;
11346
11347nla_put_failure:
11348 ret = -ENOBUFS;
11349error:
11350 nlmsg_free(msg);
11351 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
11352 return ret;
11353}
11354
11355
3f5285e8
JM		 11356const struct wpa_driver_ops wpa_driver_nl80211_ops = {
11357 .name = "nl80211",
11358 .desc = "Linux nl80211/cfg80211",
11359 .get_bssid = wpa_driver_nl80211_get_bssid,
11360 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 11361 .set_key = driver_nl80211_set_key,
11362 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 11363 .sched_scan = wpa_driver_nl80211_sched_scan,
11364 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 11365 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
9ebce9c5
JM		 11366 .deauthenticate = driver_nl80211_deauthenticate,
11367 .authenticate = driver_nl80211_authenticate,
3f5285e8 11368 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 11369 .global_init = nl80211_global_init,
11370 .global_deinit = nl80211_global_deinit,
11371 .init2 = wpa_driver_nl80211_init,
9ebce9c5 11372 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 11373 .get_capa = wpa_driver_nl80211_get_capa,
11374 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 11375 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 11376 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 11377 .get_country = wpa_driver_nl80211_get_country,
19c3b566 11378 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 11379 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 11380 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 11381 .if_remove = driver_nl80211_if_remove,
11382 .send_mlme = driver_nl80211_send_mlme,
c3965310 11383 .get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
0f4e8b4f 11384 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 11385 .sta_remove = driver_nl80211_sta_remove,
db149ac9 11386 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 11387 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837 11388 .hapd_init = i802_init,
c5121837 11389 .hapd_deinit = i802_deinit,
f7b3920c 11390 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 11391 .get_seqnum = i802_get_seqnum,
11392 .flush = i802_flush,
c5121837
JM		 11393 .get_inact_sec = i802_get_inact_sec,
11394 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 11395 .set_rts = i802_set_rts,
11396 .set_frag = i802_set_frag,
c5121837 11397 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 11398 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 11399 .sta_deauth = i802_sta_deauth,
11400 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 11401 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 11402 .set_freq = i802_set_freq,
9ebce9c5 11403 .send_action = driver_nl80211_send_action,
5dfca53f 11404 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 11405 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
11406 .cancel_remain_on_channel =
11407 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 11408 .probe_req_report = driver_nl80211_probe_req_report,
af473088 11409 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 11410 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 11411 .resume = wpa_driver_nl80211_resume,
7b90c16a 11412 .send_ft_action = nl80211_send_ft_action,
b625473c 11413 .signal_monitor = nl80211_signal_monitor,
1c5c7273 11414 .signal_poll = nl80211_signal_poll,
b91ab76e 11415 .send_frame = nl80211_send_frame,
57ebba59 11416 .shared_freq = wpa_driver_nl80211_shared_freq,
c55f774d 11417 .set_param = nl80211_set_param,
6859f1cb 11418 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 11419 .add_pmkid = nl80211_add_pmkid,
11420 .remove_pmkid = nl80211_remove_pmkid,
11421 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 11422 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 11423 .poll_client = nl80211_poll_client,
29f338af 11424 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 11425 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 11426 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 11427#ifdef CONFIG_TDLS
11428 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
11429 .tdls_oper = nl80211_tdls_oper,
11430#endif /* CONFIG_TDLS */
6a1ce395 11431 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 11432 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 11433 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 11434 .status = wpa_driver_nl80211_status,
1c4ffa87 11435 .switch_channel = nl80211_switch_channel,
3f5285e8 11436};
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