]> git.ipfire.org Git - thirdparty/hostap.git/blame - src/drivers/driver_nl80211.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
HS 2.0R2: Clean up debug log during exit path
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
90a545cc 3 * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
072ad14c
JM		 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
58f6fbe0 7 * Copyright (c) 2009-2010, Atheros Communications
3f5285e8 8 *
0f3d578e
JM		 9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
3f5285e8
JM		 11 */
12
13#include "includes.h"
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"
1682c623 31#include "common/qca-vendor.h"
1b648c7e 32#include "common/ieee802_11_defs.h"
9b90955e 33#include "common/ieee802_11_common.h"
f10bfc9a 34#include "l2_packet/l2_packet.h"
e2d02c29 35#include "netlink.h"
34f2f814 36#include "linux_ioctl.h"
e2d02c29
JM		 37#include "radiotap.h"
38#include "radiotap_iter.h"
8401a6b0 39#include "rfkill.h"
1b648c7e 40#include "driver.h"
0915d02c 41
32ab4855
JB		 42#ifndef SO_WIFI_STATUS
43# if defined(__sparc__)
44# define SO_WIFI_STATUS 0x0025
45# elif defined(__parisc__)
46# define SO_WIFI_STATUS 0x4022
47# else
48# define SO_WIFI_STATUS 41
49# endif
50
51# define SCM_WIFI_STATUS SO_WIFI_STATUS
52#endif
53
54#ifndef SO_EE_ORIGIN_TXSTATUS
55#define SO_EE_ORIGIN_TXSTATUS 4
56#endif
57
58#ifndef PACKET_TX_TIMESTAMP
59#define PACKET_TX_TIMESTAMP 16
60#endif
61
216eede8
DS		 62#ifdef ANDROID
63#include "android_drv.h"
64#endif /* ANDROID */
c5121837
JM		 65#ifdef CONFIG_LIBNL20
66/* libnl 2.0 compatibility code */
2e8eac2d 67#define nl_handle nl_sock
a65a9aed
JB		 68#define nl80211_handle_alloc nl_socket_alloc_cb
69#define nl80211_handle_destroy nl_socket_free
70#else
71/*
72 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
73 * but when you free a socket again it will mess up its bitmap and
74 * and use the wrong number the next time it needs a socket ID.
75 * Therefore, we wrap the handle alloc/destroy and add our own pid
76 * accounting.
77 */
78static uint32_t port_bitmap[32] = { 0 };
79
80static struct nl_handle *nl80211_handle_alloc(void *cb)
81{
82 struct nl_handle *handle;
83 uint32_t pid = getpid() & 0x3FFFFF;
84 int i;
85
86 handle = nl_handle_alloc_cb(cb);
87
88 for (i = 0; i < 1024; i++) {
89 if (port_bitmap[i / 32] & (1 << (i % 32)))
90 continue;
91 port_bitmap[i / 32] |= 1 << (i % 32);
92 pid += i << 22;
93 break;
94 }
95
96 nl_socket_set_local_port(handle, pid);
97
98 return handle;
99}
100
101static void nl80211_handle_destroy(struct nl_handle *handle)
102{
103 uint32_t port = nl_socket_get_local_port(handle);
104
105 port >>= 22;
106 port_bitmap[port / 32] &= ~(1 << (port % 32));
107
108 nl_handle_destroy(handle);
109}
c5121837
JM		 110#endif /* CONFIG_LIBNL20 */
111
c5121837 112
1c6edec6
JM		 113#ifdef ANDROID
114/* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
115static int android_nl_socket_set_nonblocking(struct nl_handle *handle)
116{
117 return fcntl(nl_socket_get_fd(handle), F_SETFL, O_NONBLOCK);
118}
119#undef nl_socket_set_nonblocking
120#define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
121#endif /* ANDROID */
122
123
481234cf 124static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 125{
481234cf 126 struct nl_handle *handle;
a92dfde8 127
481234cf
JM		 128 handle = nl80211_handle_alloc(cb);
129 if (handle == NULL) {
a92dfde8
JB		 130 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
131 "callbacks (%s)", dbg);
481234cf 132 return NULL;
a92dfde8
JB		 133 }
134
481234cf 135 if (genl_connect(handle)) {
a92dfde8
JB		 136 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
137 "netlink (%s)", dbg);
481234cf
JM		 138 nl80211_handle_destroy(handle);
139 return NULL;
a92dfde8
JB		 140 }
141
481234cf 142 return handle;
a92dfde8
JB		 143}
144
145
481234cf 146static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 147{
481234cf 148 if (*handle == NULL)
a92dfde8 149 return;
481234cf
JM		 150 nl80211_handle_destroy(*handle);
151 *handle = NULL;
a92dfde8
JB		 152}
153
154
10b85921
JB		 155#if __WORDSIZE == 64
156#define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
157#else
158#define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
159#endif
160
5f65e9f7
JB		 161static void nl80211_register_eloop_read(struct nl_handle **handle,
162 eloop_sock_handler handler,
163 void *eloop_data)
164{
10b85921 165 nl_socket_set_nonblocking(*handle);
5f65e9f7
JB		 166 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
167 eloop_data, *handle);
10b85921 168 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 169}
170
171
172static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
173{
10b85921 174 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
5f65e9f7
JB		 175 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
176 nl_destroy_handles(handle);
177}
178
179
3f5285e8
JM		 180#ifndef IFF_LOWER_UP
181#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
182#endif
183#ifndef IFF_DORMANT
184#define IFF_DORMANT 0x20000 /* driver signals dormant */
185#endif
186
187#ifndef IF_OPER_DORMANT
188#define IF_OPER_DORMANT 5
189#endif
190#ifndef IF_OPER_UP
191#define IF_OPER_UP 6
192#endif
193
f2ed8023
JM		 194struct nl80211_global {
195 struct dl_list interfaces;
ff6a158b 196 int if_add_ifindex;
f632e483
AS		 197 u64 if_add_wdevid;
198 int if_add_wdevid_set;
36d84860 199 struct netlink_data *netlink;
2a7b66f5 200 struct nl_cb *nl_cb;
481234cf 201 struct nl_handle *nl;
335d42b1 202 int nl80211_id;
c81eff1a 203 int ioctl_sock; /* socket for ioctl() use */
d6c9aab8 204
481234cf 205 struct nl_handle *nl_event;
f2ed8023
JM		 206};
207
e32ad281
JB		 208struct nl80211_wiphy_data {
209 struct dl_list list;
210 struct dl_list bsss;
211 struct dl_list drvs;
212
481234cf 213 struct nl_handle *nl_beacons;
e32ad281
JB		 214 struct nl_cb *nl_cb;
215
216 int wiphy_idx;
217};
218
36d84860
BG		 219static void nl80211_global_deinit(void *priv);
220
c5121837 221struct i802_bss {
a2e40bb6 222 struct wpa_driver_nl80211_data *drv;
c5121837 223 struct i802_bss *next;
b4fd6fab 224 int ifindex;
d3aaef80 225 u64 wdev_id;
a2e40bb6 226 char ifname[IFNAMSIZ + 1];
e17a2477 227 char brname[IFNAMSIZ];
c5121837 228 unsigned int beacon_set:1;
e17a2477
JM		 229 unsigned int added_if_into_bridge:1;
230 unsigned int added_bridge:1;
873d0fcf 231 unsigned int in_deinit:1;
d3aaef80 232 unsigned int wdev_id_set:1;
390e489c 233 unsigned int added_if:1;
221a59c9 234
341eebee
JB		 235 u8 addr[ETH_ALEN];
236
e4fb2167 237 int freq;
60b13c20 238 int if_dynamic;
e4fb2167 239
a5e1eb20 240 void *ctx;
481234cf 241 struct nl_handle *nl_preq, *nl_mgmt;
cc7a48d1 242 struct nl_cb *nl_cb;
e32ad281
JB		 243
244 struct nl80211_wiphy_data *wiphy_data;
245 struct dl_list wiphy_list;
c5121837 246};
3f5285e8
JM		 247
248struct wpa_driver_nl80211_data {
f2ed8023
JM		 249 struct nl80211_global *global;
250 struct dl_list list;
e32ad281 251 struct dl_list wiphy_list;
6859f1cb 252 char phyname[32];
3f5285e8 253 void *ctx;
3f5285e8 254 int ifindex;
7524cfb1 255 int if_removed;
a63063b4 256 int if_disabled;
7d9c3698 257 int ignore_if_down_event;
8401a6b0 258 struct rfkill_data *rfkill;
c2a04078 259 struct wpa_driver_capa capa;
8cd6b7bc
JB		 260 u8 *extended_capa, *extended_capa_mask;
261 unsigned int extended_capa_len;
c2a04078 262 int has_capability;
c2a04078 263
3f5285e8
JM		 264 int operstate;
265
3f5285e8 266 int scan_complete_events;
a771c07d
JM		 267 enum scan_states {
268 NO_SCAN, SCAN_REQUESTED, SCAN_STARTED, SCAN_COMPLETED,
269 SCAN_ABORTED, SCHED_SCAN_STARTED, SCHED_SCAN_STOPPED,
270 SCHED_SCAN_RESULTS
271 } scan_state;
3f5285e8 272
1afc986d 273 struct nl_cb *nl_cb;
1c873584 274
e6b8efeb 275 u8 auth_bssid[ETH_ALEN];
add9b7a4 276 u8 auth_attempt_bssid[ETH_ALEN];
c2a04078 277 u8 bssid[ETH_ALEN];
add9b7a4 278 u8 prev_bssid[ETH_ALEN];
c2a04078 279 int associated;
fd05d64e
JM		 280 u8 ssid[32];
281 size_t ssid_len;
b1f625e0
EP		 282 enum nl80211_iftype nlmode;
283 enum nl80211_iftype ap_scan_as_station;
4832ecd7 284 unsigned int assoc_freq;
d2440ba0 285
0915d02c
JM		 286 int monitor_sock;
287 int monitor_ifidx;
3fd1cefb 288 int monitor_refcount;
7da3abe7 289
b3af99d2 290 unsigned int disabled_11b_rates:1;
55777702 291 unsigned int pending_remain_on_chan:1;
dac12351 292 unsigned int in_interface_list:1;
61cbe2ff 293 unsigned int device_ap_sme:1;
39718852 294 unsigned int poll_command_supported:1;
32ab4855 295 unsigned int data_tx_status:1;
536fd62d
JM		 296 unsigned int scan_for_auth:1;
297 unsigned int retry_auth:1;
a11241fa 298 unsigned int use_monitor:1;
a8c5b43a 299 unsigned int ignore_next_local_disconnect:1;
851b0c55 300 unsigned int allow_p2p_device:1;
0d547d5f 301 unsigned int hostapd:1;
49b4b205 302 unsigned int start_mode_ap:1;
146fa9b3 303 unsigned int start_iface_up:1;
64abb725 304 unsigned int test_use_roc_tx:1;
e8d70a73 305 unsigned int ignore_deauth_event:1;
55777702
JM		 306
307 u64 remain_on_chan_cookie;
58f6fbe0 308 u64 send_action_cookie;
c5121837 309
5582a5d1
JB		 310 unsigned int last_mgmt_freq;
311
3812464c
JM		 312 struct wpa_driver_scan_filter *filter_ssids;
313 size_t num_filter_ssids;
314
834ee56f 315 struct i802_bss *first_bss;
a2e40bb6 316
d12dab4c 317 int eapol_tx_sock;
f10bfc9a 318
c5121837 319 int eapol_sock; /* socket for EAPOL frames */
c5121837
JM		 320
321 int default_if_indices[16];
322 int *if_indices;
323 int num_if_indices;
536fd62d
JM		 324
325 /* From failed authentication command */
326 int auth_freq;
327 u8 auth_bssid_[ETH_ALEN];
328 u8 auth_ssid[32];
329 size_t auth_ssid_len;
330 int auth_alg;
331 u8 *auth_ie;
332 size_t auth_ie_len;
333 u8 auth_wep_key[4][16];
334 size_t auth_wep_key_len[4];
335 int auth_wep_tx_keyidx;
336 int auth_local_state_change;
337 int auth_p2p;
3f5285e8
JM		 338};
339
340
9ebce9c5 341static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
3f5285e8
JM		 342static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx,
343 void *timeout_ctx);
b1f625e0
EP		 344static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
345 enum nl80211_iftype nlmode);
362f781e 346static int
0d547d5f 347wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
49b4b205 348 const u8 *set_addr, int first);
d72aad94 349static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 350 const u8 *addr, int cmd, u16 reason_code,
351 int local_state_change);
460456f8
JM		 352static void nl80211_remove_monitor_interface(
353 struct wpa_driver_nl80211_data *drv);
88df0ef7 354static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 355 unsigned int freq, unsigned int wait,
b106173a 356 const u8 *buf, size_t buf_len, u64 *cookie,
88df0ef7 357 int no_cck, int no_ack, int offchanok);
b21990b4
AQ		 358static int nl80211_register_frame(struct i802_bss *bss,
359 struct nl_handle *hl_handle,
360 u16 type, const u8 *match, size_t match_len);
9ebce9c5
JM		 361static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
362 int report);
216eede8
DS		 363#ifdef ANDROID
364static int android_pno_start(struct i802_bss *bss,
365 struct wpa_driver_scan_params *params);
366static int android_pno_stop(struct i802_bss *bss);
5e2c3490
JM		 367extern int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf,
368 size_t buf_len);
216eede8 369#endif /* ANDROID */
0de38036
JM		 370#ifdef ANDROID_P2P
371int wpa_driver_set_p2p_noa(void *priv, u8 count, int start, int duration);
372int wpa_driver_get_p2p_noa(void *priv, u8 *buf, size_t len);
373int wpa_driver_set_p2p_ps(void *priv, int legacy_ps, int opp_ps, int ctwindow);
374int wpa_driver_set_ap_wps_p2p_ie(void *priv, const struct wpabuf *beacon,
375 const struct wpabuf *proberesp,
376 const struct wpabuf *assocresp);
377#endif /* ANDROID_P2P */
0915d02c 378
2135f224
JM		 379static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
380static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
97cfcf64 381static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
9ebce9c5 382static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
fbbfcbac
FF		 383 enum wpa_driver_if_type type,
384 const char *ifname);
072ad14c 385
9ebce9c5
JM		 386static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
387 struct hostapd_freq_params *freq);
4e5cb1a3
JM		 388static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
389 int ifindex, int disabled);
504e905c 390
21bdbe38 391static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv);
536fd62d
JM		 392static int wpa_driver_nl80211_authenticate_retry(
393 struct wpa_driver_nl80211_data *drv);
21bdbe38 394
bf83eab5
IP		 395static int i802_set_iface_flags(struct i802_bss *bss, int up);
396
3f5285e8 397
2090a0b4
DS		 398static const char * nl80211_command_to_string(enum nl80211_commands cmd)
399{
400#define C2S(x) case x: return #x;
401 switch (cmd) {
402 C2S(NL80211_CMD_UNSPEC)
403 C2S(NL80211_CMD_GET_WIPHY)
404 C2S(NL80211_CMD_SET_WIPHY)
405 C2S(NL80211_CMD_NEW_WIPHY)
406 C2S(NL80211_CMD_DEL_WIPHY)
407 C2S(NL80211_CMD_GET_INTERFACE)
408 C2S(NL80211_CMD_SET_INTERFACE)
409 C2S(NL80211_CMD_NEW_INTERFACE)
410 C2S(NL80211_CMD_DEL_INTERFACE)
411 C2S(NL80211_CMD_GET_KEY)
412 C2S(NL80211_CMD_SET_KEY)
413 C2S(NL80211_CMD_NEW_KEY)
414 C2S(NL80211_CMD_DEL_KEY)
415 C2S(NL80211_CMD_GET_BEACON)
416 C2S(NL80211_CMD_SET_BEACON)
417 C2S(NL80211_CMD_START_AP)
418 C2S(NL80211_CMD_STOP_AP)
419 C2S(NL80211_CMD_GET_STATION)
420 C2S(NL80211_CMD_SET_STATION)
421 C2S(NL80211_CMD_NEW_STATION)
422 C2S(NL80211_CMD_DEL_STATION)
423 C2S(NL80211_CMD_GET_MPATH)
424 C2S(NL80211_CMD_SET_MPATH)
425 C2S(NL80211_CMD_NEW_MPATH)
426 C2S(NL80211_CMD_DEL_MPATH)
427 C2S(NL80211_CMD_SET_BSS)
428 C2S(NL80211_CMD_SET_REG)
429 C2S(NL80211_CMD_REQ_SET_REG)
430 C2S(NL80211_CMD_GET_MESH_CONFIG)
431 C2S(NL80211_CMD_SET_MESH_CONFIG)
432 C2S(NL80211_CMD_SET_MGMT_EXTRA_IE)
433 C2S(NL80211_CMD_GET_REG)
434 C2S(NL80211_CMD_GET_SCAN)
435 C2S(NL80211_CMD_TRIGGER_SCAN)
436 C2S(NL80211_CMD_NEW_SCAN_RESULTS)
437 C2S(NL80211_CMD_SCAN_ABORTED)
438 C2S(NL80211_CMD_REG_CHANGE)
439 C2S(NL80211_CMD_AUTHENTICATE)
440 C2S(NL80211_CMD_ASSOCIATE)
441 C2S(NL80211_CMD_DEAUTHENTICATE)
442 C2S(NL80211_CMD_DISASSOCIATE)
443 C2S(NL80211_CMD_MICHAEL_MIC_FAILURE)
444 C2S(NL80211_CMD_REG_BEACON_HINT)
445 C2S(NL80211_CMD_JOIN_IBSS)
446 C2S(NL80211_CMD_LEAVE_IBSS)
447 C2S(NL80211_CMD_TESTMODE)
448 C2S(NL80211_CMD_CONNECT)
449 C2S(NL80211_CMD_ROAM)
450 C2S(NL80211_CMD_DISCONNECT)
451 C2S(NL80211_CMD_SET_WIPHY_NETNS)
452 C2S(NL80211_CMD_GET_SURVEY)
453 C2S(NL80211_CMD_NEW_SURVEY_RESULTS)
454 C2S(NL80211_CMD_SET_PMKSA)
455 C2S(NL80211_CMD_DEL_PMKSA)
456 C2S(NL80211_CMD_FLUSH_PMKSA)
457 C2S(NL80211_CMD_REMAIN_ON_CHANNEL)
458 C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL)
459 C2S(NL80211_CMD_SET_TX_BITRATE_MASK)
460 C2S(NL80211_CMD_REGISTER_FRAME)
461 C2S(NL80211_CMD_FRAME)
462 C2S(NL80211_CMD_FRAME_TX_STATUS)
463 C2S(NL80211_CMD_SET_POWER_SAVE)
464 C2S(NL80211_CMD_GET_POWER_SAVE)
465 C2S(NL80211_CMD_SET_CQM)
466 C2S(NL80211_CMD_NOTIFY_CQM)
467 C2S(NL80211_CMD_SET_CHANNEL)
468 C2S(NL80211_CMD_SET_WDS_PEER)
469 C2S(NL80211_CMD_FRAME_WAIT_CANCEL)
470 C2S(NL80211_CMD_JOIN_MESH)
471 C2S(NL80211_CMD_LEAVE_MESH)
472 C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE)
473 C2S(NL80211_CMD_UNPROT_DISASSOCIATE)
474 C2S(NL80211_CMD_NEW_PEER_CANDIDATE)
475 C2S(NL80211_CMD_GET_WOWLAN)
476 C2S(NL80211_CMD_SET_WOWLAN)
477 C2S(NL80211_CMD_START_SCHED_SCAN)
478 C2S(NL80211_CMD_STOP_SCHED_SCAN)
479 C2S(NL80211_CMD_SCHED_SCAN_RESULTS)
480 C2S(NL80211_CMD_SCHED_SCAN_STOPPED)
481 C2S(NL80211_CMD_SET_REKEY_OFFLOAD)
482 C2S(NL80211_CMD_PMKSA_CANDIDATE)
483 C2S(NL80211_CMD_TDLS_OPER)
484 C2S(NL80211_CMD_TDLS_MGMT)
485 C2S(NL80211_CMD_UNEXPECTED_FRAME)
486 C2S(NL80211_CMD_PROBE_CLIENT)
487 C2S(NL80211_CMD_REGISTER_BEACONS)
488 C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME)
489 C2S(NL80211_CMD_SET_NOACK_MAP)
490 C2S(NL80211_CMD_CH_SWITCH_NOTIFY)
491 C2S(NL80211_CMD_START_P2P_DEVICE)
492 C2S(NL80211_CMD_STOP_P2P_DEVICE)
493 C2S(NL80211_CMD_CONN_FAILED)
494 C2S(NL80211_CMD_SET_MCAST_RATE)
495 C2S(NL80211_CMD_SET_MAC_ACL)
496 C2S(NL80211_CMD_RADAR_DETECT)
497 C2S(NL80211_CMD_GET_PROTOCOL_FEATURES)
498 C2S(NL80211_CMD_UPDATE_FT_IES)
499 C2S(NL80211_CMD_FT_EVENT)
500 C2S(NL80211_CMD_CRIT_PROTOCOL_START)
501 C2S(NL80211_CMD_CRIT_PROTOCOL_STOP)
17b79e65
JM		 502 C2S(NL80211_CMD_GET_COALESCE)
503 C2S(NL80211_CMD_SET_COALESCE)
504 C2S(NL80211_CMD_CHANNEL_SWITCH)
505 C2S(NL80211_CMD_VENDOR)
506 C2S(NL80211_CMD_SET_QOS_MAP)
2090a0b4
DS		 507 default:
508 return "NL80211_CMD_UNKNOWN";
509 }
510#undef C2S
511}
512
513
8d1fdde7
JD		 514/* Converts nl80211_chan_width to a common format */
515static enum chan_width convert2width(int width)
516{
517 switch (width) {
518 case NL80211_CHAN_WIDTH_20_NOHT:
519 return CHAN_WIDTH_20_NOHT;
520 case NL80211_CHAN_WIDTH_20:
521 return CHAN_WIDTH_20;
522 case NL80211_CHAN_WIDTH_40:
523 return CHAN_WIDTH_40;
524 case NL80211_CHAN_WIDTH_80:
525 return CHAN_WIDTH_80;
526 case NL80211_CHAN_WIDTH_80P80:
527 return CHAN_WIDTH_80P80;
528 case NL80211_CHAN_WIDTH_160:
529 return CHAN_WIDTH_160;
530 }
531 return CHAN_WIDTH_UNKNOWN;
532}
533
534
b1f625e0
EP		 535static int is_ap_interface(enum nl80211_iftype nlmode)
536{
537 return (nlmode == NL80211_IFTYPE_AP ||
538 nlmode == NL80211_IFTYPE_P2P_GO);
539}
540
541
542static int is_sta_interface(enum nl80211_iftype nlmode)
543{
544 return (nlmode == NL80211_IFTYPE_STATION ||
545 nlmode == NL80211_IFTYPE_P2P_CLIENT);
546}
547
548
6a71413e 549static int is_p2p_net_interface(enum nl80211_iftype nlmode)
b3af99d2
JM		 550{
551 return (nlmode == NL80211_IFTYPE_P2P_CLIENT ||
552 nlmode == NL80211_IFTYPE_P2P_GO);
553}
554
555
add9b7a4
JM		 556static void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
557{
558 if (drv->associated)
559 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
560 drv->associated = 0;
561 os_memset(drv->bssid, 0, ETH_ALEN);
562}
563
564
f5a8d422
JM		 565struct nl80211_bss_info_arg {
566 struct wpa_driver_nl80211_data *drv;
567 struct wpa_scan_results *res;
568 unsigned int assoc_freq;
20f5a4c2 569 u8 assoc_bssid[ETH_ALEN];
f5a8d422
JM		 570};
571
572static int bss_info_handler(struct nl_msg *msg, void *arg);
573
574
6241fcb1
JM		 575/* nl80211 code */
576static int ack_handler(struct nl_msg *msg, void *arg)
577{
578 int *err = arg;
579 *err = 0;
580 return NL_STOP;
581}
582
583static int finish_handler(struct nl_msg *msg, void *arg)
584{
8e8df255
JM		 585 int *ret = arg;
586 *ret = 0;
6241fcb1
JM		 587 return NL_SKIP;
588}
589
590static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
591 void *arg)
592{
593 int *ret = arg;
594 *ret = err->error;
595 return NL_SKIP;
596}
597
5b7b85f6
JM		 598
599static int no_seq_check(struct nl_msg *msg, void *arg)
600{
601 return NL_OK;
602}
603
604
d6c9aab8 605static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 606 struct nl_handle *nl_handle, struct nl_msg *msg,
607 int (*valid_handler)(struct nl_msg *, void *),
608 void *valid_data)
6241fcb1
JM		 609{
610 struct nl_cb *cb;
611 int err = -ENOMEM;
612
d6c9aab8 613 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 614 if (!cb)
615 goto out;
616
58f6fbe0 617 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 618 if (err < 0)
619 goto out;
620
621 err = 1;
622
623 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 624 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 625 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
626
627 if (valid_handler)
628 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
629 valid_handler, valid_data);
630
34068ac3
JM		 631 while (err > 0) {
632 int res = nl_recvmsgs(nl_handle, cb);
633 if (res) {
634 wpa_printf(MSG_INFO,
635 "nl80211: %s->nl_recvmsgs failed: %d",
636 __func__, res);
637 }
638 }
6241fcb1
JM		 639 out:
640 nl_cb_put(cb);
641 nlmsg_free(msg);
642 return err;
643}
644
645
d6c9aab8
JB		 646static int send_and_recv_msgs_global(struct nl80211_global *global,
647 struct nl_msg *msg,
648 int (*valid_handler)(struct nl_msg *, void *),
649 void *valid_data)
650{
481234cf 651 return send_and_recv(global, global->nl, msg, valid_handler,
d6c9aab8
JB		 652 valid_data);
653}
654
655
98218963
DS		 656static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
657 struct nl_msg *msg,
658 int (*valid_handler)(struct nl_msg *, void *),
659 void *valid_data)
58f6fbe0 660{
481234cf 661 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 662 valid_handler, valid_data);
58f6fbe0
JM		 663}
664
665
97865538
JM		 666struct family_data {
667 const char *group;
668 int id;
669};
670
671
d3aaef80
DS		 672static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
673{
674 if (bss->wdev_id_set)
675 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
676 else
677 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
678 return 0;
679
680nla_put_failure:
681 return -1;
682}
683
684
97865538
JM		 685static int family_handler(struct nl_msg *msg, void *arg)
686{
687 struct family_data *res = arg;
688 struct nlattr *tb[CTRL_ATTR_MAX + 1];
689 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
690 struct nlattr *mcgrp;
691 int i;
692
693 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
694 genlmsg_attrlen(gnlh, 0), NULL);
695 if (!tb[CTRL_ATTR_MCAST_GROUPS])
696 return NL_SKIP;
697
698 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
699 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
700 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
701 nla_len(mcgrp), NULL);
702 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
703 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
704 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
705 res->group,
706 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
707 continue;
708 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
709 break;
710 };
711
712 return NL_SKIP;
713}
714
715
d6c9aab8 716static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 717 const char *family, const char *group)
718{
719 struct nl_msg *msg;
720 int ret = -1;
721 struct family_data res = { group, -ENOENT };
722
723 msg = nlmsg_alloc();
724 if (!msg)
725 return -ENOMEM;
481234cf 726 genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
97865538
JM		 727 0, 0, CTRL_CMD_GETFAMILY, 0);
728 NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family);
729
d6c9aab8 730 ret = send_and_recv_msgs_global(global, msg, family_handler, &res);
97865538
JM		 731 msg = NULL;
732 if (ret == 0)
733 ret = res.id;
734
735nla_put_failure:
736 nlmsg_free(msg);
737 return ret;
738}
739
740
9fb04070
JM		 741static void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
742 struct nl_msg *msg, int flags, uint8_t cmd)
743{
335d42b1 744 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 745 0, flags, cmd, 0);
9fb04070
JM		 746}
747
748
e32ad281
JB		 749struct wiphy_idx_data {
750 int wiphy_idx;
01517c8b 751 enum nl80211_iftype nlmode;
597b94f5 752 u8 *macaddr;
e32ad281
JB		 753};
754
755
756static int netdev_info_handler(struct nl_msg *msg, void *arg)
757{
758 struct nlattr *tb[NL80211_ATTR_MAX + 1];
759 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
760 struct wiphy_idx_data *info = arg;
761
762 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
763 genlmsg_attrlen(gnlh, 0), NULL);
764
765 if (tb[NL80211_ATTR_WIPHY])
766 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
767
01517c8b
JB		 768 if (tb[NL80211_ATTR_IFTYPE])
769 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
770
597b94f5
AS		 771 if (tb[NL80211_ATTR_MAC] && info->macaddr)
772 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
773 ETH_ALEN);
774
e32ad281
JB		 775 return NL_SKIP;
776}
777
778
779static int nl80211_get_wiphy_index(struct i802_bss *bss)
780{
781 struct nl_msg *msg;
782 struct wiphy_idx_data data = {
783 .wiphy_idx = -1,
597b94f5 784 .macaddr = NULL,
e32ad281
JB		 785 };
786
787 msg = nlmsg_alloc();
788 if (!msg)
8e12685c 789 return NL80211_IFTYPE_UNSPECIFIED;
e32ad281
JB		 790
791 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
792
27ce1d64
AS		 793 if (nl80211_set_iface_id(msg, bss) < 0)
794 goto nla_put_failure;
e32ad281
JB		 795
796 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
797 return data.wiphy_idx;
798 msg = NULL;
799nla_put_failure:
800 nlmsg_free(msg);
801 return -1;
802}
803
804
01517c8b
JB		 805static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
806{
807 struct nl_msg *msg;
808 struct wiphy_idx_data data = {
597b94f5
AS		 809 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
810 .macaddr = NULL,
01517c8b
JB		 811 };
812
813 msg = nlmsg_alloc();
814 if (!msg)
815 return -1;
816
817 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
818
f632e483
AS		 819 if (nl80211_set_iface_id(msg, bss) < 0)
820 goto nla_put_failure;
01517c8b
JB		 821
822 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
823 return data.nlmode;
824 msg = NULL;
825nla_put_failure:
826 nlmsg_free(msg);
827 return NL80211_IFTYPE_UNSPECIFIED;
828}
01517c8b
JB		 829
830
597b94f5
AS		 831static int nl80211_get_macaddr(struct i802_bss *bss)
832{
833 struct nl_msg *msg;
834 struct wiphy_idx_data data = {
835 .macaddr = bss->addr,
836 };
837
838 msg = nlmsg_alloc();
839 if (!msg)
840 return NL80211_IFTYPE_UNSPECIFIED;
841
842 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
843 if (nl80211_set_iface_id(msg, bss) < 0)
844 goto nla_put_failure;
845
846 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
847
848nla_put_failure:
849 nlmsg_free(msg);
850 return NL80211_IFTYPE_UNSPECIFIED;
851}
597b94f5
AS		 852
853
e32ad281
JB		 854static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
855 struct nl80211_wiphy_data *w)
856{
857 struct nl_msg *msg;
858 int ret = -1;
859
860 msg = nlmsg_alloc();
861 if (!msg)
862 return -1;
863
864 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS);
865
866 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx);
867
481234cf 868 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 869 msg = NULL;
870 if (ret) {
871 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
872 "failed: ret=%d (%s)",
873 ret, strerror(-ret));
874 goto nla_put_failure;
875 }
876 ret = 0;
877nla_put_failure:
878 nlmsg_free(msg);
879 return ret;
880}
881
882
883static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
884{
885 struct nl80211_wiphy_data *w = eloop_ctx;
34068ac3 886 int res;
e32ad281 887
ee9fc67a 888 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281 889
34068ac3
JM		 890 res = nl_recvmsgs(handle, w->nl_cb);
891 if (res) {
892 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
893 __func__, res);
894 }
e32ad281
JB		 895}
896
897
898static int process_beacon_event(struct nl_msg *msg, void *arg)
899{
900 struct nl80211_wiphy_data *w = arg;
901 struct wpa_driver_nl80211_data *drv;
902 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
903 struct nlattr *tb[NL80211_ATTR_MAX + 1];
904 union wpa_event_data event;
905
906 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
907 genlmsg_attrlen(gnlh, 0), NULL);
908
909 if (gnlh->cmd != NL80211_CMD_FRAME) {
910 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
911 gnlh->cmd);
912 return NL_SKIP;
913 }
914
915 if (!tb[NL80211_ATTR_FRAME])
916 return NL_SKIP;
917
918 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
919 wiphy_list) {
920 os_memset(&event, 0, sizeof(event));
921 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
922 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
923 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
924 }
925
926 return NL_SKIP;
927}
928
929
930static struct nl80211_wiphy_data *
931nl80211_get_wiphy_data_ap(struct i802_bss *bss)
932{
933 static DEFINE_DL_LIST(nl80211_wiphys);
934 struct nl80211_wiphy_data *w;
935 int wiphy_idx, found = 0;
936 struct i802_bss *tmp_bss;
937
938 if (bss->wiphy_data != NULL)
939 return bss->wiphy_data;
940
941 wiphy_idx = nl80211_get_wiphy_index(bss);
942
943 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
944 if (w->wiphy_idx == wiphy_idx)
945 goto add;
946 }
947
948 /* alloc new one */
949 w = os_zalloc(sizeof(*w));
950 if (w == NULL)
951 return NULL;
952 w->wiphy_idx = wiphy_idx;
953 dl_list_init(&w->bsss);
954 dl_list_init(&w->drvs);
955
956 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
957 if (!w->nl_cb) {
958 os_free(w);
959 return NULL;
960 }
961 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
962 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
963 w);
964
481234cf
JM		 965 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
966 "wiphy beacons");
967 if (w->nl_beacons == NULL) {
e32ad281
JB		 968 os_free(w);
969 return NULL;
970 }
971
972 if (nl80211_register_beacons(bss->drv, w)) {
973 nl_destroy_handles(&w->nl_beacons);
974 os_free(w);
975 return NULL;
976 }
977
5f65e9f7 978 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
e32ad281
JB		 979
980 dl_list_add(&nl80211_wiphys, &w->list);
981
982add:
983 /* drv entry for this bss already there? */
984 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
985 if (tmp_bss->drv == bss->drv) {
986 found = 1;
987 break;
988 }
989 }
990 /* if not add it */
991 if (!found)
992 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
993
994 dl_list_add(&w->bsss, &bss->wiphy_list);
995 bss->wiphy_data = w;
996 return w;
997}
998
999
1000static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
1001{
1002 struct nl80211_wiphy_data *w = bss->wiphy_data;
1003 struct i802_bss *tmp_bss;
1004 int found = 0;
1005
1006 if (w == NULL)
1007 return;
1008 bss->wiphy_data = NULL;
1009 dl_list_del(&bss->wiphy_list);
1010
1011 /* still any for this drv present? */
1012 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
1013 if (tmp_bss->drv == bss->drv) {
1014 found = 1;
1015 break;
1016 }
1017 }
1018 /* if not remove it */
1019 if (!found)
1020 dl_list_del(&bss->drv->wiphy_list);
1021
1022 if (!dl_list_empty(&w->bsss))
1023 return;
1024
5f65e9f7 1025 nl80211_destroy_eloop_handle(&w->nl_beacons);
e32ad281
JB		 1026
1027 nl_cb_put(w->nl_cb);
e32ad281
JB		 1028 dl_list_del(&w->list);
1029 os_free(w);
1030}
1031
1032
3f5285e8
JM		 1033static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
1034{
a2e40bb6
FF		 1035 struct i802_bss *bss = priv;
1036 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 1037 if (!drv->associated)
1038 return -1;
1039 os_memcpy(bssid, drv->bssid, ETH_ALEN);
1040 return 0;
3f5285e8
JM		 1041}
1042
1043
3f5285e8
JM		 1044static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
1045{
a2e40bb6
FF		 1046 struct i802_bss *bss = priv;
1047 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 1048 if (!drv->associated)
1049 return -1;
1050 os_memcpy(ssid, drv->ssid, drv->ssid_len);
1051 return drv->ssid_len;
3f5285e8
JM		 1052}
1053
1054
90a545cc
JM		 1055static void wpa_driver_nl80211_event_newlink(
1056 struct wpa_driver_nl80211_data *drv, char *ifname)
3f5285e8
JM		 1057{
1058 union wpa_event_data event;
1059
90a545cc
JM		 1060 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
1061 if (if_nametoindex(drv->first_bss->ifname) == 0) {
1062 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
1063 drv->first_bss->ifname);
1064 return;
1065 }
1066 if (!drv->if_removed)
1067 return;
1068 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
1069 drv->first_bss->ifname);
1070 drv->if_removed = 0;
1071 }
1072
3f5285e8 1073 os_memset(&event, 0, sizeof(event));
90a545cc
JM		 1074 os_strlcpy(event.interface_status.ifname, ifname,
1075 sizeof(event.interface_status.ifname));
1076 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
1077 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1078}
1079
1080
1081static void wpa_driver_nl80211_event_dellink(
1082 struct wpa_driver_nl80211_data *drv, char *ifname)
1083{
1084 union wpa_event_data event;
1085
1086 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
1087 if (drv->if_removed) {
1088 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
1089 ifname);
1090 return;
d1f4942b 1091 }
90a545cc
JM		 1092 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
1093 ifname);
1094 drv->if_removed = 1;
1095 } else {
1096 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
1097 ifname);
7524cfb1
JM		 1098 }
1099
90a545cc
JM		 1100 os_memset(&event, 0, sizeof(event));
1101 os_strlcpy(event.interface_status.ifname, ifname,
1102 sizeof(event.interface_status.ifname));
1103 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
08063178 1104 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
3f5285e8
JM		 1105}
1106
1107
7524cfb1 1108static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 1109 u8 *buf, size_t len)
7524cfb1 1110{
62d680c3 1111 int attrlen, rta_len;
7524cfb1
JM		 1112 struct rtattr *attr;
1113
62d680c3
JM		 1114 attrlen = len;
1115 attr = (struct rtattr *) buf;
7524cfb1
JM		 1116
1117 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1118 while (RTA_OK(attr, attrlen)) {
1119 if (attr->rta_type == IFLA_IFNAME) {
834ee56f
KP		 1120 if (os_strcmp(((char *) attr) + rta_len,
1121 drv->first_bss->ifname) == 0)
7524cfb1
JM		 1122 return 1;
1123 else
1124 break;
1125 }
1126 attr = RTA_NEXT(attr, attrlen);
1127 }
1128
1129 return 0;
1130}
1131
1132
1133static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 1134 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 1135{
1136 if (drv->ifindex == ifindex)
1137 return 1;
1138
62d680c3 1139 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
7524cfb1
JM		 1140 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
1141 "interface");
49b4b205 1142 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0);
7524cfb1
JM		 1143 return 1;
1144 }
1145
1146 return 0;
1147}
1148
1149
36d84860
BG		 1150static struct wpa_driver_nl80211_data *
1151nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
1152{
1153 struct wpa_driver_nl80211_data *drv;
1154 dl_list_for_each(drv, &global->interfaces,
1155 struct wpa_driver_nl80211_data, list) {
1156 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
1157 have_ifidx(drv, idx))
1158 return drv;
1159 }
1160 return NULL;
1161}
1162
1163
62d680c3
JM		 1164static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1165 struct ifinfomsg *ifi,
1166 u8 *buf, size_t len)
3f5285e8 1167{
36d84860
BG		 1168 struct nl80211_global *global = ctx;
1169 struct wpa_driver_nl80211_data *drv;
90a545cc 1170 int attrlen;
62d680c3 1171 struct rtattr *attr;
97cfcf64 1172 u32 brid = 0;
aef85ba2 1173 char namebuf[IFNAMSIZ];
90a545cc
JM		 1174 char ifname[IFNAMSIZ + 1];
1175 char extra[100], *pos, *end;
3f5285e8 1176
36d84860
BG		 1177 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1178 if (!drv) {
90a545cc
JM		 1179 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d",
1180 ifi->ifi_index);
3f5285e8
JM		 1181 return;
1182 }
1183
90a545cc
JM		 1184 extra[0] = '\0';
1185 pos = extra;
1186 end = pos + sizeof(extra);
1187 ifname[0] = '\0';
1188
1189 attrlen = len;
1190 attr = (struct rtattr *) buf;
1191 while (RTA_OK(attr, attrlen)) {
1192 switch (attr->rta_type) {
1193 case IFLA_IFNAME:
1194 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1195 break;
1196 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1197 ifname[RTA_PAYLOAD(attr)] = '\0';
1198 break;
1199 case IFLA_MASTER:
1200 brid = nla_get_u32((struct nlattr *) attr);
1201 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1202 break;
1203 case IFLA_WIRELESS:
1204 pos += os_snprintf(pos, end - pos, " wext");
1205 break;
1206 case IFLA_OPERSTATE:
1207 pos += os_snprintf(pos, end - pos, " operstate=%u",
1208 nla_get_u32((struct nlattr *) attr));
1209 break;
1210 case IFLA_LINKMODE:
1211 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1212 nla_get_u32((struct nlattr *) attr));
1213 break;
1214 }
1215 attr = RTA_NEXT(attr, attrlen);
1216 }
1217 extra[sizeof(extra) - 1] = '\0';
1218
1219 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_flags=0x%x (%s%s%s%s)",
1220 ifi->ifi_index, ifname, extra, ifi->ifi_flags,
3f5285e8
JM		 1221 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1222 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1223 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1224 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4
JM		 1225
1226 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
59d24925
JM		 1227 if (if_indextoname(ifi->ifi_index, namebuf) &&
1228 linux_iface_up(drv->global->ioctl_sock,
834ee56f 1229 drv->first_bss->ifname) > 0) {
59d24925
JM		 1230 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1231 "event since interface %s is up", namebuf);
1232 return;
1233 }
a63063b4 1234 wpa_printf(MSG_DEBUG, "nl80211: Interface down");
7d9c3698
JM		 1235 if (drv->ignore_if_down_event) {
1236 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1237 "event generated by mode change");
1238 drv->ignore_if_down_event = 0;
1239 } else {
1240 drv->if_disabled = 1;
1241 wpa_supplicant_event(drv->ctx,
1242 EVENT_INTERFACE_DISABLED, NULL);
819f096f
AO		 1243
1244 /*
1245 * Try to get drv again, since it may be removed as
1246 * part of the EVENT_INTERFACE_DISABLED handling for
1247 * dynamic interfaces
1248 */
1249 drv = nl80211_find_drv(global, ifi->ifi_index,
1250 buf, len);
1251 if (!drv)
1252 return;
7d9c3698 1253 }
a63063b4
JM		 1254 }
1255
1256 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2
JM		 1257 if (if_indextoname(ifi->ifi_index, namebuf) &&
1258 linux_iface_up(drv->global->ioctl_sock,
834ee56f 1259 drv->first_bss->ifname) == 0) {
aef85ba2
JM		 1260 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1261 "event since interface %s is down",
1262 namebuf);
834ee56f 1263 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
d1f4942b
JM		 1264 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1265 "event since interface %s does not exist",
834ee56f 1266 drv->first_bss->ifname);
d1f4942b
JM		 1267 } else if (drv->if_removed) {
1268 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1269 "event since interface %s is marked "
834ee56f 1270 "removed", drv->first_bss->ifname);
aef85ba2
JM		 1271 } else {
1272 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1273 drv->if_disabled = 0;
1274 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1275 NULL);
1276 }
a63063b4
JM		 1277 }
1278
3f5285e8
JM		 1279 /*
1280 * Some drivers send the association event before the operup event--in
1281 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1282 * fails. This will hit us when wpa_supplicant does not need to do
1283 * IEEE 802.1X authentication
1284 */
1285 if (drv->operstate == 1 &&
1286 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
90a545cc
JM		 1287 !(ifi->ifi_flags & IFF_RUNNING)) {
1288 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
36d84860 1289 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 1290 -1, IF_OPER_UP);
3f5285e8 1291 }
97cfcf64 1292
90a545cc
JM		 1293 if (ifname[0])
1294 wpa_driver_nl80211_event_newlink(drv, ifname);
1295
97cfcf64
B		 1296 if (ifi->ifi_family == AF_BRIDGE && brid) {
1297 /* device has been added to bridge */
97cfcf64
B		 1298 if_indextoname(brid, namebuf);
1299 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1300 brid, namebuf);
1301 add_ifidx(drv, brid);
1302 }
3f5285e8
JM		 1303}
1304
1305
62d680c3
JM		 1306static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1307 struct ifinfomsg *ifi,
1308 u8 *buf, size_t len)
3f5285e8 1309{
36d84860
BG		 1310 struct nl80211_global *global = ctx;
1311 struct wpa_driver_nl80211_data *drv;
90a545cc 1312 int attrlen;
62d680c3 1313 struct rtattr *attr;
97cfcf64 1314 u32 brid = 0;
90a545cc 1315 char ifname[IFNAMSIZ + 1];
3f5285e8 1316
36d84860
BG		 1317 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1318 if (!drv) {
90a545cc
JM		 1319 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d",
1320 ifi->ifi_index);
36d84860
BG		 1321 return;
1322 }
1323
90a545cc
JM		 1324 ifname[0] = '\0';
1325
62d680c3
JM		 1326 attrlen = len;
1327 attr = (struct rtattr *) buf;
3f5285e8 1328 while (RTA_OK(attr, attrlen)) {
90a545cc
JM		 1329 switch (attr->rta_type) {
1330 case IFLA_IFNAME:
1331 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1332 break;
1333 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1334 ifname[RTA_PAYLOAD(attr)] = '\0';
1335 break;
1336 case IFLA_MASTER:
97cfcf64 1337 brid = nla_get_u32((struct nlattr *) attr);
90a545cc
JM		 1338 break;
1339 }
3f5285e8
JM		 1340 attr = RTA_NEXT(attr, attrlen);
1341 }
97cfcf64 1342
90a545cc
JM		 1343 if (ifname[0])
1344 wpa_driver_nl80211_event_dellink(drv, ifname);
1345
97cfcf64
B		 1346 if (ifi->ifi_family == AF_BRIDGE && brid) {
1347 /* device has been removed from bridge */
1348 char namebuf[IFNAMSIZ];
1349 if_indextoname(brid, namebuf);
1350 wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
1351 "%s", brid, namebuf);
1352 del_ifidx(drv, brid);
1353 }
3f5285e8
JM		 1354}
1355
1356
c2a04078
JM		 1357static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
1358 const u8 *frame, size_t len)
1359{
1360 const struct ieee80211_mgmt *mgmt;
1361 union wpa_event_data event;
1362
7d81932d 1363 wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
c2a04078
JM		 1364 mgmt = (const struct ieee80211_mgmt *) frame;
1365 if (len < 24 + sizeof(mgmt->u.auth)) {
1366 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1367 "frame");
1368 return;
1369 }
1370
e6b8efeb 1371 os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1372 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
c2a04078
JM		 1373 os_memset(&event, 0, sizeof(event));
1374 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
1375 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
569fed90
JM		 1376 event.auth.auth_transaction =
1377 le_to_host16(mgmt->u.auth.auth_transaction);
c2a04078
JM		 1378 event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
1379 if (len > 24 + sizeof(mgmt->u.auth)) {
1380 event.auth.ies = mgmt->u.auth.variable;
1381 event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
1382 }
1383
1384 wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
1385}
1386
1387
f5a8d422
JM		 1388static unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1389{
1390 struct nl_msg *msg;
1391 int ret;
1392 struct nl80211_bss_info_arg arg;
1393
1394 os_memset(&arg, 0, sizeof(arg));
1395 msg = nlmsg_alloc();
1396 if (!msg)
1397 goto nla_put_failure;
1398
9fb04070 1399 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422
JM		 1400 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
1401
1402 arg.drv = drv;
1403 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1404 msg = NULL;
1405 if (ret == 0) {
1406 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1407 "associated BSS from scan results: %u MHz",
1408 arg.assoc_freq);
30158a0d
SD		 1409 if (arg.assoc_freq)
1410 drv->assoc_freq = arg.assoc_freq;
1411 return drv->assoc_freq;
f5a8d422
JM		 1412 }
1413 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1414 "(%s)", ret, strerror(-ret));
1415nla_put_failure:
1416 nlmsg_free(msg);
1417 return drv->assoc_freq;
1418}
1419
1420
c2a04078
JM		 1421static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
1422 const u8 *frame, size_t len)
1423{
1424 const struct ieee80211_mgmt *mgmt;
1425 union wpa_event_data event;
1426 u16 status;
1427
7d81932d 1428 wpa_printf(MSG_DEBUG, "nl80211: Associate event");
c2a04078
JM		 1429 mgmt = (const struct ieee80211_mgmt *) frame;
1430 if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
1431 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1432 "frame");
1433 return;
1434 }
1435
1436 status = le_to_host16(mgmt->u.assoc_resp.status_code);
1437 if (status != WLAN_STATUS_SUCCESS) {
efa46078 1438 os_memset(&event, 0, sizeof(event));
59ddf221 1439 event.assoc_reject.bssid = mgmt->bssid;
efa46078
JM		 1440 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1441 event.assoc_reject.resp_ies =
1442 (u8 *) mgmt->u.assoc_resp.variable;
1443 event.assoc_reject.resp_ies_len =
1444 len - 24 - sizeof(mgmt->u.assoc_resp);
1445 }
1446 event.assoc_reject.status_code = status;
1447
1448 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
c2a04078
JM		 1449 return;
1450 }
1451
1452 drv->associated = 1;
1453 os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
add9b7a4 1454 os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
c2a04078
JM		 1455
1456 os_memset(&event, 0, sizeof(event));
1457 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1458 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
1459 event.assoc_info.resp_ies_len =
efa46078 1460 len - 24 - sizeof(mgmt->u.assoc_resp);
c2a04078
JM		 1461 }
1462
4832ecd7
JM		 1463 event.assoc_info.freq = drv->assoc_freq;
1464
c2a04078
JM		 1465 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1466}
1467
c1bb3e0a 1468
da72a1c1
ZY		 1469static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
1470 enum nl80211_commands cmd, struct nlattr *status,
1471 struct nlattr *addr, struct nlattr *req_ie,
1472 struct nlattr *resp_ie)
1473{
1474 union wpa_event_data event;
1475
7da2c527
JM		 1476 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1477 /*
1478 * Avoid reporting two association events that would confuse
1479 * the core code.
1480 */
1481 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
1482 "when using userspace SME", cmd);
1483 return;
1484 }
1485
7d81932d
JM		 1486 if (cmd == NL80211_CMD_CONNECT)
1487 wpa_printf(MSG_DEBUG, "nl80211: Connect event");
1488 else if (cmd == NL80211_CMD_ROAM)
1489 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
1490
da72a1c1
ZY		 1491 os_memset(&event, 0, sizeof(event));
1492 if (cmd == NL80211_CMD_CONNECT &&
1493 nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
df89c1c8
JM		 1494 if (addr)
1495 event.assoc_reject.bssid = nla_data(addr);
da72a1c1
ZY		 1496 if (resp_ie) {
1497 event.assoc_reject.resp_ies = nla_data(resp_ie);
1498 event.assoc_reject.resp_ies_len = nla_len(resp_ie);
1499 }
1500 event.assoc_reject.status_code = nla_get_u16(status);
1501 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
1502 return;
1503 }
1504
1505 drv->associated = 1;
add9b7a4 1506 if (addr) {
da72a1c1 1507 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
add9b7a4
JM		 1508 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
1509 }
da72a1c1
ZY		 1510
1511 if (req_ie) {
1512 event.assoc_info.req_ies = nla_data(req_ie);
1513 event.assoc_info.req_ies_len = nla_len(req_ie);
1514 }
1515 if (resp_ie) {
1516 event.assoc_info.resp_ies = nla_data(resp_ie);
1517 event.assoc_info.resp_ies_len = nla_len(resp_ie);
1518 }
1519
f5a8d422
JM		 1520 event.assoc_info.freq = nl80211_get_assoc_freq(drv);
1521
da72a1c1
ZY		 1522 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1523}
c2a04078 1524
c1bb3e0a 1525
20f5a4c2 1526static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
3d9975d5
JM		 1527 struct nlattr *reason, struct nlattr *addr,
1528 struct nlattr *by_ap)
20f5a4c2
JM		 1529{
1530 union wpa_event_data data;
a8c5b43a 1531 unsigned int locally_generated = by_ap == NULL;
20f5a4c2
JM		 1532
1533 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1534 /*
1535 * Avoid reporting two disassociation events that could
1536 * confuse the core code.
1537 */
1538 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1539 "event when using userspace SME");
1540 return;
1541 }
1542
a8c5b43a
CW		 1543 if (drv->ignore_next_local_disconnect) {
1544 drv->ignore_next_local_disconnect = 0;
1545 if (locally_generated) {
1546 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1547 "event triggered during reassociation");
1548 return;
1549 }
1550 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
1551 "disconnect but got another disconnect "
1552 "event first");
1553 }
1554
7d81932d 1555 wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
add9b7a4 1556 nl80211_mark_disconnected(drv);
20f5a4c2
JM		 1557 os_memset(&data, 0, sizeof(data));
1558 if (reason)
2e9f078c
JM		 1559 data.deauth_info.reason_code = nla_get_u16(reason);
1560 data.deauth_info.locally_generated = by_ap == NULL;
1561 wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
20f5a4c2
JM		 1562}
1563
1564
4b0f2282
MK		 1565static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
1566{
1567 int freq1 = 0;
1568
1569 switch (convert2width(width)) {
1570 case CHAN_WIDTH_20_NOHT:
1571 case CHAN_WIDTH_20:
1572 return 0;
1573 case CHAN_WIDTH_40:
1574 freq1 = cf1 - 10;
1575 break;
1576 case CHAN_WIDTH_80:
1577 freq1 = cf1 - 30;
1578 break;
1579 case CHAN_WIDTH_160:
1580 freq1 = cf1 - 70;
1581 break;
1582 case CHAN_WIDTH_UNKNOWN:
1583 case CHAN_WIDTH_80P80:
1584 /* FIXME: implement this */
1585 return 0;
1586 }
1587
1588 return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
1589}
1590
1591
1b487b8b 1592static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
8d1fdde7
JD		 1593 struct nlattr *ifindex, struct nlattr *freq,
1594 struct nlattr *type, struct nlattr *bw,
1595 struct nlattr *cf1, struct nlattr *cf2)
1b487b8b 1596{
8d1fdde7 1597 struct i802_bss *bss;
1b487b8b
TP		 1598 union wpa_event_data data;
1599 int ht_enabled = 1;
1600 int chan_offset = 0;
8d1fdde7 1601 int ifidx;
1b487b8b
TP		 1602
1603 wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
1604
8d1fdde7 1605 if (!freq)
1b487b8b
TP		 1606 return;
1607
8d1fdde7
JD		 1608 ifidx = nla_get_u32(ifindex);
1609 for (bss = drv->first_bss; bss; bss = bss->next)
1610 if (bss->ifindex == ifidx)
1611 break;
1612
1613 if (bss == NULL) {
1614 wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
1615 ifidx);
1616 return;
1b487b8b
TP		 1617 }
1618
8d1fdde7
JD		 1619 if (type) {
1620 switch (nla_get_u32(type)) {
1621 case NL80211_CHAN_NO_HT:
1622 ht_enabled = 0;
1623 break;
1624 case NL80211_CHAN_HT20:
1625 break;
1626 case NL80211_CHAN_HT40PLUS:
1627 chan_offset = 1;
1628 break;
1629 case NL80211_CHAN_HT40MINUS:
1630 chan_offset = -1;
1631 break;
1632 }
4b0f2282
MK		 1633 } else if (bw && cf1) {
1634 /* This can happen for example with VHT80 ch switch */
1635 chan_offset = calculate_chan_offset(nla_get_u32(bw),
1636 nla_get_u32(freq),
1637 nla_get_u32(cf1),
1638 cf2 ? nla_get_u32(cf2) : 0);
1639 } else {
1640 wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
8d1fdde7
JD		 1641 }
1642
1643 os_memset(&data, 0, sizeof(data));
1b487b8b
TP		 1644 data.ch_switch.freq = nla_get_u32(freq);
1645 data.ch_switch.ht_enabled = ht_enabled;
1646 data.ch_switch.ch_offset = chan_offset;
8d1fdde7
JD		 1647 if (bw)
1648 data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
1649 if (cf1)
1650 data.ch_switch.cf1 = nla_get_u32(cf1);
1651 if (cf2)
1652 data.ch_switch.cf2 = nla_get_u32(cf2);
1b487b8b 1653
8d1fdde7 1654 bss->freq = data.ch_switch.freq;
1c4ffa87 1655
1b487b8b
TP		 1656 wpa_supplicant_event(drv->ctx, EVENT_CH_SWITCH, &data);
1657}
1658
1659
da1fb17c
JM		 1660static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
1661 enum nl80211_commands cmd, struct nlattr *addr)
1662{
1663 union wpa_event_data event;
1664 enum wpa_event_type ev;
1665
1666 if (nla_len(addr) != ETH_ALEN)
1667 return;
1668
1669 wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
1670 cmd, MAC2STR((u8 *) nla_data(addr)));
1671
1672 if (cmd == NL80211_CMD_AUTHENTICATE)
1673 ev = EVENT_AUTH_TIMED_OUT;
1674 else if (cmd == NL80211_CMD_ASSOCIATE)
1675 ev = EVENT_ASSOC_TIMED_OUT;
1676 else
1677 return;
1678
1679 os_memset(&event, 0, sizeof(event));
1680 os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
1681 wpa_supplicant_event(drv->ctx, ev, &event);
1682}
1683
1684
1d91f504 1685static void mlme_event_mgmt(struct i802_bss *bss,
da873dbb
JB		 1686 struct nlattr *freq, struct nlattr *sig,
1687 const u8 *frame, size_t len)
58f6fbe0 1688{
1d91f504 1689 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0
JM		 1690 const struct ieee80211_mgmt *mgmt;
1691 union wpa_event_data event;
1692 u16 fc, stype;
da873dbb 1693 int ssi_signal = 0;
f18b7817 1694 int rx_freq = 0;
58f6fbe0 1695
cc2ada86 1696 wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
58f6fbe0
JM		 1697 mgmt = (const struct ieee80211_mgmt *) frame;
1698 if (len < 24) {
dbfb8e82 1699 wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
58f6fbe0
JM		 1700 return;
1701 }
1702
1703 fc = le_to_host16(mgmt->frame_control);
1704 stype = WLAN_FC_GET_STYPE(fc);
1705
da873dbb
JB		 1706 if (sig)
1707 ssi_signal = (s32) nla_get_u32(sig);
1708
58f6fbe0 1709 os_memset(&event, 0, sizeof(event));
5582a5d1 1710 if (freq) {
dbfb8e82
JM		 1711 event.rx_mgmt.freq = nla_get_u32(freq);
1712 rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
5582a5d1 1713 }
f18b7817
JM		 1714 wpa_printf(MSG_DEBUG,
1715 "nl80211: RX frame freq=%d ssi_signal=%d stype=%u len=%u",
1716 rx_freq, ssi_signal, stype, (unsigned int) len);
dbfb8e82
JM		 1717 event.rx_mgmt.frame = frame;
1718 event.rx_mgmt.frame_len = len;
1719 event.rx_mgmt.ssi_signal = ssi_signal;
1d91f504 1720 event.rx_mgmt.drv_priv = bss;
dbfb8e82 1721 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
58f6fbe0
JM		 1722}
1723
1724
a11241fa
JB		 1725static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
1726 struct nlattr *cookie, const u8 *frame,
1727 size_t len, struct nlattr *ack)
58f6fbe0
JM		 1728{
1729 union wpa_event_data event;
1730 const struct ieee80211_hdr *hdr;
1731 u16 fc;
58f6fbe0 1732
7d81932d 1733 wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
a11241fa
JB		 1734 if (!is_ap_interface(drv->nlmode)) {
1735 u64 cookie_val;
58f6fbe0 1736
a11241fa
JB		 1737 if (!cookie)
1738 return;
1739
1740 cookie_val = nla_get_u64(cookie);
1741 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
1742 " cookie=0%llx%s (ack=%d)",
1743 (long long unsigned int) cookie_val,
1744 cookie_val == drv->send_action_cookie ?
1745 " (match)" : " (unknown)", ack != NULL);
1746 if (cookie_val != drv->send_action_cookie)
1747 return;
1748 }
58f6fbe0
JM		 1749
1750 hdr = (const struct ieee80211_hdr *) frame;
1751 fc = le_to_host16(hdr->frame_control);
1752
1753 os_memset(&event, 0, sizeof(event));
1754 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
1755 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
1756 event.tx_status.dst = hdr->addr1;
1757 event.tx_status.data = frame;
1758 event.tx_status.data_len = len;
1759 event.tx_status.ack = ack != NULL;
1760 wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
1761}
1762
1763
0544b242
JM		 1764static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
1765 enum wpa_event_type type,
1766 const u8 *frame, size_t len)
1767{
1768 const struct ieee80211_mgmt *mgmt;
1769 union wpa_event_data event;
1770 const u8 *bssid = NULL;
1771 u16 reason_code = 0;
1772
7d81932d
JM		 1773 if (type == EVENT_DEAUTH)
1774 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
1775 else
1776 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
1777
cb30b297
PS		 1778 mgmt = (const struct ieee80211_mgmt *) frame;
1779 if (len >= 24) {
1780 bssid = mgmt->bssid;
1781
add9b7a4
JM		 1782 if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
1783 !drv->associated &&
1784 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
1785 os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
1786 os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
1787 /*
1788 * Avoid issues with some roaming cases where
1789 * disconnection event for the old AP may show up after
1790 * we have started connection with the new AP.
1791 */
1792 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
1793 MAC2STR(bssid),
1794 MAC2STR(drv->auth_attempt_bssid));
1795 return;
1796 }
1797
cb30b297
PS		 1798 if (drv->associated != 0 &&
1799 os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
1800 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
1801 /*
1802 * We have presumably received this deauth as a
1803 * response to a clear_state_mismatch() outgoing
1804 * deauth. Don't let it take us offline!
1805 */
1806 wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
1807 "from Unknown BSSID " MACSTR " -- ignoring",
1808 MAC2STR(bssid));
1809 return;
1810 }
1811 }
1812
add9b7a4 1813 nl80211_mark_disconnected(drv);
0544b242
JM		 1814 os_memset(&event, 0, sizeof(event));
1815
0544b242
JM		 1816 /* Note: Same offset for Reason Code in both frame subtypes */
1817 if (len >= 24 + sizeof(mgmt->u.deauth))
1818 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1819
1820 if (type == EVENT_DISASSOC) {
3d9975d5 1821 event.disassoc_info.locally_generated =
834ee56f 1822 !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
0544b242
JM		 1823 event.disassoc_info.addr = bssid;
1824 event.disassoc_info.reason_code = reason_code;
046b26a2
JM		 1825 if (frame + len > mgmt->u.disassoc.variable) {
1826 event.disassoc_info.ie = mgmt->u.disassoc.variable;
1827 event.disassoc_info.ie_len = frame + len -
1828 mgmt->u.disassoc.variable;
1829 }
0544b242 1830 } else {
e8d70a73
JM		 1831 if (drv->ignore_deauth_event) {
1832 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
1833 drv->ignore_deauth_event = 0;
1834 return;
1835 }
3d9975d5 1836 event.deauth_info.locally_generated =
834ee56f 1837 !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
0544b242
JM		 1838 event.deauth_info.addr = bssid;
1839 event.deauth_info.reason_code = reason_code;
046b26a2
JM		 1840 if (frame + len > mgmt->u.deauth.variable) {
1841 event.deauth_info.ie = mgmt->u.deauth.variable;
1842 event.deauth_info.ie_len = frame + len -
1843 mgmt->u.deauth.variable;
1844 }
0544b242
JM		 1845 }
1846
1847 wpa_supplicant_event(drv->ctx, type, &event);
1848}
1849
1850
7d878ca7
JM		 1851static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
1852 enum wpa_event_type type,
1853 const u8 *frame, size_t len)
1854{
1855 const struct ieee80211_mgmt *mgmt;
1856 union wpa_event_data event;
1857 u16 reason_code = 0;
1858
7d81932d
JM		 1859 if (type == EVENT_UNPROT_DEAUTH)
1860 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
1861 else
1862 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
1863
7d878ca7
JM		 1864 if (len < 24)
1865 return;
1866
1867 mgmt = (const struct ieee80211_mgmt *) frame;
1868
1869 os_memset(&event, 0, sizeof(event));
1870 /* Note: Same offset for Reason Code in both frame subtypes */
1871 if (len >= 24 + sizeof(mgmt->u.deauth))
1872 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1873
1874 if (type == EVENT_UNPROT_DISASSOC) {
1875 event.unprot_disassoc.sa = mgmt->sa;
1876 event.unprot_disassoc.da = mgmt->da;
1877 event.unprot_disassoc.reason_code = reason_code;
1878 } else {
1879 event.unprot_deauth.sa = mgmt->sa;
1880 event.unprot_deauth.da = mgmt->da;
1881 event.unprot_deauth.reason_code = reason_code;
1882 }
1883
1884 wpa_supplicant_event(drv->ctx, type, &event);
1885}
1886
1887
97279d8d 1888static void mlme_event(struct i802_bss *bss,
da1fb17c 1889 enum nl80211_commands cmd, struct nlattr *frame,
58f6fbe0
JM		 1890 struct nlattr *addr, struct nlattr *timed_out,
1891 struct nlattr *freq, struct nlattr *ack,
da873dbb 1892 struct nlattr *cookie, struct nlattr *sig)
c2a04078 1893{
97279d8d
JM		 1894 struct wpa_driver_nl80211_data *drv = bss->drv;
1895 const u8 *data;
1896 size_t len;
1897
da1fb17c
JM		 1898 if (timed_out && addr) {
1899 mlme_timeout_event(drv, cmd, addr);
1900 return;
1901 }
1902
c2a04078 1903 if (frame == NULL) {
2090a0b4
DS		 1904 wpa_printf(MSG_DEBUG,
1905 "nl80211: MLME event %d (%s) without frame data",
1906 cmd, nl80211_command_to_string(cmd));
c2a04078
JM		 1907 return;
1908 }
1909
97279d8d
JM		 1910 data = nla_data(frame);
1911 len = nla_len(frame);
455299fb 1912 if (len < 4 + 2 * ETH_ALEN) {
2090a0b4
DS		 1913 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
1914 MACSTR ") - too short",
1915 cmd, nl80211_command_to_string(cmd), bss->ifname,
1916 MAC2STR(bss->addr));
97279d8d
JM		 1917 return;
1918 }
2090a0b4
DS		 1919 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
1920 ") A1=" MACSTR " A2=" MACSTR, cmd,
1921 nl80211_command_to_string(cmd), bss->ifname,
1922 MAC2STR(bss->addr), MAC2STR(data + 4),
1923 MAC2STR(data + 4 + ETH_ALEN));
97279d8d 1924 if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
455299fb
JM		 1925 os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
1926 os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
97279d8d
JM		 1927 wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
1928 "for foreign address", bss->ifname);
1929 return;
1930 }
c2a04078
JM		 1931 wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
1932 nla_data(frame), nla_len(frame));
1933
1934 switch (cmd) {
1935 case NL80211_CMD_AUTHENTICATE:
1936 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
1937 break;
1938 case NL80211_CMD_ASSOCIATE:
1939 mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
1940 break;
1941 case NL80211_CMD_DEAUTHENTICATE:
0544b242
JM		 1942 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
1943 nla_data(frame), nla_len(frame));
c2a04078
JM		 1944 break;
1945 case NL80211_CMD_DISASSOCIATE:
0544b242
JM		 1946 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
1947 nla_data(frame), nla_len(frame));
c2a04078 1948 break;
bd94971e 1949 case NL80211_CMD_FRAME:
1d91f504 1950 mlme_event_mgmt(bss, freq, sig, nla_data(frame),
da873dbb 1951 nla_len(frame));
58f6fbe0 1952 break;
bd94971e 1953 case NL80211_CMD_FRAME_TX_STATUS:
a11241fa
JB		 1954 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
1955 nla_len(frame), ack);
58f6fbe0 1956 break;
7d878ca7
JM		 1957 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
1958 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
1959 nla_data(frame), nla_len(frame));
1960 break;
1961 case NL80211_CMD_UNPROT_DISASSOCIATE:
1962 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
1963 nla_data(frame), nla_len(frame));
1964 break;
c2a04078
JM		 1965 default:
1966 break;
1967 }
1968}
1969
1970
a5e1eb20 1971static void mlme_event_michael_mic_failure(struct i802_bss *bss,
35583f3f
JM		 1972 struct nlattr *tb[])
1973{
1974 union wpa_event_data data;
1975
1976 wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
1977 os_memset(&data, 0, sizeof(data));
1978 if (tb[NL80211_ATTR_MAC]) {
1979 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
1980 nla_data(tb[NL80211_ATTR_MAC]),
1981 nla_len(tb[NL80211_ATTR_MAC]));
ad1e68e6 1982 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
35583f3f
JM		 1983 }
1984 if (tb[NL80211_ATTR_KEY_SEQ]) {
1985 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
1986 nla_data(tb[NL80211_ATTR_KEY_SEQ]),
1987 nla_len(tb[NL80211_ATTR_KEY_SEQ]));
1988 }
1989 if (tb[NL80211_ATTR_KEY_TYPE]) {
1990 enum nl80211_key_type key_type =
1991 nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
1992 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
1993 if (key_type == NL80211_KEYTYPE_PAIRWISE)
1994 data.michael_mic_failure.unicast = 1;
1995 } else
1996 data.michael_mic_failure.unicast = 1;
1997
1998 if (tb[NL80211_ATTR_KEY_IDX]) {
1999 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
2000 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
2001 }
2002
a5e1eb20 2003 wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
35583f3f
JM		 2004}
2005
2006
5cc4d64b
JM		 2007static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
2008 struct nlattr *tb[])
2009{
2010 if (tb[NL80211_ATTR_MAC] == NULL) {
2011 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
2012 "event");
2013 return;
2014 }
2015 os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
b21990b4 2016
5cc4d64b
JM		 2017 drv->associated = 1;
2018 wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
2019 MAC2STR(drv->bssid));
2020
2021 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
2022}
2023
2024
55777702
JM		 2025static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
2026 int cancel_event, struct nlattr *tb[])
2027{
2028 unsigned int freq, chan_type, duration;
2029 union wpa_event_data data;
2030 u64 cookie;
2031
2032 if (tb[NL80211_ATTR_WIPHY_FREQ])
2033 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
2034 else
2035 freq = 0;
2036
2037 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
2038 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2039 else
2040 chan_type = 0;
2041
2042 if (tb[NL80211_ATTR_DURATION])
2043 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
2044 else
2045 duration = 0;
2046
2047 if (tb[NL80211_ATTR_COOKIE])
2048 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
2049 else
2050 cookie = 0;
2051
2052 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
2053 "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
2054 cancel_event, freq, chan_type, duration,
2055 (long long unsigned int) cookie,
2056 cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
2057
2058 if (cookie != drv->remain_on_chan_cookie)
2059 return; /* not for us */
2060
531f0331
JB		 2061 if (cancel_event)
2062 drv->pending_remain_on_chan = 0;
55777702
JM		 2063
2064 os_memset(&data, 0, sizeof(data));
2065 data.remain_on_channel.freq = freq;
2066 data.remain_on_channel.duration = duration;
2067 wpa_supplicant_event(drv->ctx, cancel_event ?
2068 EVENT_CANCEL_REMAIN_ON_CHANNEL :
2069 EVENT_REMAIN_ON_CHANNEL, &data);
2070}
2071
2072
6a1ce395
DG		 2073static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
2074 struct nlattr *tb[])
2075{
2076 union wpa_event_data data;
2077
2078 os_memset(&data, 0, sizeof(data));
2079
2080 if (tb[NL80211_ATTR_IE]) {
2081 data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
2082 data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
2083 }
2084
2085 if (tb[NL80211_ATTR_IE_RIC]) {
2086 data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
2087 data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
2088 }
2089
2090 if (tb[NL80211_ATTR_MAC])
2091 os_memcpy(data.ft_ies.target_ap,
2092 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2093
2094 wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
2095 MAC2STR(data.ft_ies.target_ap));
2096
2097 wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
2098}
2099
2100
8d923a4a
JM		 2101static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
2102 struct nlattr *tb[])
2103{
2104 union wpa_event_data event;
2105 struct nlattr *nl;
2106 int rem;
2107 struct scan_info *info;
2108#define MAX_REPORT_FREQS 50
2109 int freqs[MAX_REPORT_FREQS];
2110 int num_freqs = 0;
2111
536fd62d
JM		 2112 if (drv->scan_for_auth) {
2113 drv->scan_for_auth = 0;
2114 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
2115 "cfg80211 BSS entry");
2116 wpa_driver_nl80211_authenticate_retry(drv);
2117 return;
2118 }
2119
8d923a4a
JM		 2120 os_memset(&event, 0, sizeof(event));
2121 info = &event.scan_info;
2122 info->aborted = aborted;
2123
2124 if (tb[NL80211_ATTR_SCAN_SSIDS]) {
2125 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
2126 struct wpa_driver_scan_ssid *s =
2127 &info->ssids[info->num_ssids];
2128 s->ssid = nla_data(nl);
2129 s->ssid_len = nla_len(nl);
3ae3ec27
JM		 2130 wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'",
2131 wpa_ssid_txt(s->ssid, s->ssid_len));
8d923a4a
JM		 2132 info->num_ssids++;
2133 if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
2134 break;
2135 }
2136 }
2137 if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
3ae3ec27
JM		 2138 char msg[200], *pos, *end;
2139 int res;
2140
2141 pos = msg;
2142 end = pos + sizeof(msg);
2143 *pos = '\0';
2144
8d923a4a
JM		 2145 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
2146 {
2147 freqs[num_freqs] = nla_get_u32(nl);
3ae3ec27
JM		 2148 res = os_snprintf(pos, end - pos, " %d",
2149 freqs[num_freqs]);
2150 if (res > 0 && end - pos > res)
2151 pos += res;
8d923a4a
JM		 2152 num_freqs++;
2153 if (num_freqs == MAX_REPORT_FREQS - 1)
2154 break;
2155 }
2156 info->freqs = freqs;
2157 info->num_freqs = num_freqs;
3ae3ec27
JM		 2158 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
2159 msg);
8d923a4a
JM		 2160 }
2161 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
2162}
2163
2164
60a972a6
JM		 2165static int get_link_signal(struct nl_msg *msg, void *arg)
2166{
2167 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2168 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2169 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
2170 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
2171 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
95783298 2172 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
60a972a6 2173 };
7ee35bf3
PS		 2174 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
2175 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
2176 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
2177 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
2178 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
2179 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
2180 };
1c5c7273 2181 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 2182
2183 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2184 genlmsg_attrlen(gnlh, 0), NULL);
2185 if (!tb[NL80211_ATTR_STA_INFO] ||
2186 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
2187 tb[NL80211_ATTR_STA_INFO], policy))
2188 return NL_SKIP;
2189 if (!sinfo[NL80211_STA_INFO_SIGNAL])
2190 return NL_SKIP;
2191
7ee35bf3
PS		 2192 sig_change->current_signal =
2193 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
2194
95783298
AO		 2195 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
2196 sig_change->avg_signal =
2197 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
2198 else
2199 sig_change->avg_signal = 0;
2200
7ee35bf3
PS		 2201 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
2202 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
2203 sinfo[NL80211_STA_INFO_TX_BITRATE],
2204 rate_policy)) {
2205 sig_change->current_txrate = 0;
2206 } else {
2207 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
2208 sig_change->current_txrate =
2209 nla_get_u16(rinfo[
2210 NL80211_RATE_INFO_BITRATE]) * 100;
2211 }
2212 }
2213 }
2214
60a972a6
JM		 2215 return NL_SKIP;
2216}
2217
2218
2219static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1c5c7273 2220 struct wpa_signal_info *sig)
60a972a6
JM		 2221{
2222 struct nl_msg *msg;
2223
7ee35bf3
PS		 2224 sig->current_signal = -9999;
2225 sig->current_txrate = 0;
60a972a6
JM		 2226
2227 msg = nlmsg_alloc();
2228 if (!msg)
2229 return -ENOMEM;
2230
9fb04070 2231 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
60a972a6
JM		 2232
2233 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2234 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
2235
2236 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
2237 nla_put_failure:
5883168a 2238 nlmsg_free(msg);
60a972a6
JM		 2239 return -ENOBUFS;
2240}
2241
2242
7ee35bf3
PS		 2243static int get_link_noise(struct nl_msg *msg, void *arg)
2244{
2245 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2246 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2247 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2248 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2249 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2250 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2251 };
1c5c7273 2252 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 2253
2254 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2255 genlmsg_attrlen(gnlh, 0), NULL);
2256
2257 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2258 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
2259 return NL_SKIP;
2260 }
2261
2262 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2263 tb[NL80211_ATTR_SURVEY_INFO],
2264 survey_policy)) {
2265 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
2266 "attributes!");
2267 return NL_SKIP;
2268 }
2269
2270 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2271 return NL_SKIP;
2272
2273 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2274 sig_change->frequency)
2275 return NL_SKIP;
2276
2277 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2278 return NL_SKIP;
2279
2280 sig_change->current_noise =
2281 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2282
2283 return NL_SKIP;
2284}
2285
2286
2287static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1c5c7273 2288 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 2289{
2290 struct nl_msg *msg;
2291
2292 sig_change->current_noise = 9999;
2293 sig_change->frequency = drv->assoc_freq;
2294
2295 msg = nlmsg_alloc();
2296 if (!msg)
2297 return -ENOMEM;
2298
9fb04070 2299 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3
PS		 2300
2301 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2302
2303 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
2304 nla_put_failure:
5883168a 2305 nlmsg_free(msg);
7ee35bf3
PS		 2306 return -ENOBUFS;
2307}
2308
2309
577db0ae
GM		 2310static int get_noise_for_scan_results(struct nl_msg *msg, void *arg)
2311{
2312 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2313 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2314 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
2315 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
2316 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
2317 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
2318 };
2319 struct wpa_scan_results *scan_results = arg;
2320 struct wpa_scan_res *scan_res;
2321 size_t i;
2322
2323 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2324 genlmsg_attrlen(gnlh, 0), NULL);
2325
2326 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
2327 wpa_printf(MSG_DEBUG, "nl80211: Survey data missing");
2328 return NL_SKIP;
2329 }
2330
2331 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
2332 tb[NL80211_ATTR_SURVEY_INFO],
2333 survey_policy)) {
2334 wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested "
2335 "attributes");
2336 return NL_SKIP;
2337 }
2338
2339 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
2340 return NL_SKIP;
2341
2342 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
2343 return NL_SKIP;
2344
2345 for (i = 0; i < scan_results->num; ++i) {
2346 scan_res = scan_results->res[i];
2347 if (!scan_res)
2348 continue;
2349 if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
2350 scan_res->freq)
2351 continue;
2352 if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID))
2353 continue;
2354 scan_res->noise = (s8)
2355 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
2356 scan_res->flags &= ~WPA_SCAN_NOISE_INVALID;
2357 }
2358
2359 return NL_SKIP;
2360}
2361
2362
2363static int nl80211_get_noise_for_scan_results(
2364 struct wpa_driver_nl80211_data *drv,
2365 struct wpa_scan_results *scan_res)
2366{
2367 struct nl_msg *msg;
2368
2369 msg = nlmsg_alloc();
2370 if (!msg)
2371 return -ENOMEM;
2372
2373 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
2374
2375 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
2376
2377 return send_and_recv_msgs(drv, msg, get_noise_for_scan_results,
2378 scan_res);
2379 nla_put_failure:
9e088e74 2380 nlmsg_free(msg);
577db0ae
GM		 2381 return -ENOBUFS;
2382}
2383
2384
93910401
JM		 2385static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
2386 struct nlattr *tb[])
2387{
2388 static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
2389 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
2390 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
2391 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
0d7e5a3a 2392 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
93910401
JM		 2393 };
2394 struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
2395 enum nl80211_cqm_rssi_threshold_event event;
b625473c 2396 union wpa_event_data ed;
1c5c7273 2397 struct wpa_signal_info sig;
7ee35bf3 2398 int res;
93910401
JM		 2399
2400 if (tb[NL80211_ATTR_CQM] == NULL ||
2401 nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
2402 cqm_policy)) {
2403 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
2404 return;
2405 }
2406
0d7e5a3a
JB		 2407 os_memset(&ed, 0, sizeof(ed));
2408
2409 if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
2410 if (!tb[NL80211_ATTR_MAC])
2411 return;
2412 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
2413 ETH_ALEN);
2414 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
2415 return;
2416 }
2417
93910401
JM		 2418 if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
2419 return;
2420 event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
b625473c 2421
93910401
JM		 2422 if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
2423 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2424 "event: RSSI high");
b625473c 2425 ed.signal_change.above_threshold = 1;
93910401
JM		 2426 } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
2427 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
2428 "event: RSSI low");
b625473c
JM		 2429 ed.signal_change.above_threshold = 0;
2430 } else
2431 return;
2432
60a972a6
JM		 2433 res = nl80211_get_link_signal(drv, &sig);
2434 if (res == 0) {
7ee35bf3
PS		 2435 ed.signal_change.current_signal = sig.current_signal;
2436 ed.signal_change.current_txrate = sig.current_txrate;
2437 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d",
2438 sig.current_signal, sig.current_txrate);
2439 }
2440
2441 res = nl80211_get_link_noise(drv, &sig);
2442 if (res == 0) {
2443 ed.signal_change.current_noise = sig.current_noise;
2444 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
2445 sig.current_noise);
60a972a6
JM		 2446 }
2447
b625473c 2448 wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
93910401
JM		 2449}
2450
2451
18d2ba08
JM		 2452static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
2453 struct nlattr **tb)
2454{
2455 u8 *addr;
2456 union wpa_event_data data;
2457
2458 if (tb[NL80211_ATTR_MAC] == NULL)
2459 return;
2460 addr = nla_data(tb[NL80211_ATTR_MAC]);
2461 wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
5f310a9e 2462
61cbe2ff 2463 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2464 u8 *ies = NULL;
2465 size_t ies_len = 0;
2466 if (tb[NL80211_ATTR_IE]) {
2467 ies = nla_data(tb[NL80211_ATTR_IE]);
2468 ies_len = nla_len(tb[NL80211_ATTR_IE]);
2469 }
2470 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
2471 drv_event_assoc(drv->ctx, addr, ies, ies_len, 0);
2472 return;
2473 }
2474
18d2ba08
JM		 2475 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2476 return;
2477
2478 os_memset(&data, 0, sizeof(data));
2479 os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
2480 wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data);
2481}
2482
2483
ef985058
JM		 2484static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
2485 struct nlattr **tb)
2486{
2487 u8 *addr;
2488 union wpa_event_data data;
2489
2490 if (tb[NL80211_ATTR_MAC] == NULL)
2491 return;
2492 addr = nla_data(tb[NL80211_ATTR_MAC]);
2493 wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
2494 MAC2STR(addr));
5f310a9e 2495
61cbe2ff 2496 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2497 drv_event_disassoc(drv->ctx, addr);
2498 return;
2499 }
2500
ef985058
JM		 2501 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2502 return;
2503
2504 os_memset(&data, 0, sizeof(data));
2505 os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
2506 wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
2507}
2508
2509
b14a210c
JB		 2510static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
2511 struct nlattr **tb)
2512{
2513 struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
2514 static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
2515 [NL80211_REKEY_DATA_KEK] = {
2516 .minlen = NL80211_KEK_LEN,
2517 .maxlen = NL80211_KEK_LEN,
2518 },
2519 [NL80211_REKEY_DATA_KCK] = {
2520 .minlen = NL80211_KCK_LEN,
2521 .maxlen = NL80211_KCK_LEN,
2522 },
2523 [NL80211_REKEY_DATA_REPLAY_CTR] = {
2524 .minlen = NL80211_REPLAY_CTR_LEN,
2525 .maxlen = NL80211_REPLAY_CTR_LEN,
2526 },
2527 };
2528 union wpa_event_data data;
2529
2530 if (!tb[NL80211_ATTR_MAC])
2531 return;
2532 if (!tb[NL80211_ATTR_REKEY_DATA])
2533 return;
2534 if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
2535 tb[NL80211_ATTR_REKEY_DATA], rekey_policy))
2536 return;
2537 if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
2538 return;
2539
2540 os_memset(&data, 0, sizeof(data));
2541 data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
2542 wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
2543 MAC2STR(data.driver_gtk_rekey.bssid));
2544 data.driver_gtk_rekey.replay_ctr =
2545 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
2546 wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
2547 data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
2548 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
2549}
2550
2551
c36d5242
JM		 2552static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
2553 struct nlattr **tb)
2554{
2555 struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
2556 static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
2557 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
2558 [NL80211_PMKSA_CANDIDATE_BSSID] = {
2559 .minlen = ETH_ALEN,
2560 .maxlen = ETH_ALEN,
2561 },
2562 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
2563 };
2564 union wpa_event_data data;
2565
7d81932d
JM		 2566 wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
2567
c36d5242
JM		 2568 if (!tb[NL80211_ATTR_PMKSA_CANDIDATE])
2569 return;
2570 if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
2571 tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy))
2572 return;
2573 if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
2574 !cand[NL80211_PMKSA_CANDIDATE_BSSID])
2575 return;
2576
2577 os_memset(&data, 0, sizeof(data));
2578 os_memcpy(data.pmkid_candidate.bssid,
2579 nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
2580 data.pmkid_candidate.index =
2581 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
2582 data.pmkid_candidate.preauth =
2583 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
2584 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
2585}
2586
2587
39718852
JB		 2588static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
2589 struct nlattr **tb)
2590{
2591 union wpa_event_data data;
2592
7d81932d
JM		 2593 wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
2594
39718852
JB		 2595 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
2596 return;
2597
2598 os_memset(&data, 0, sizeof(data));
2599 os_memcpy(data.client_poll.addr,
2600 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2601
2602 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
2603}
2604
2605
6201b052
JM		 2606static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
2607 struct nlattr **tb)
2608{
2609 union wpa_event_data data;
2610
2611 wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
2612
2613 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
2614 return;
2615
2616 os_memset(&data, 0, sizeof(data));
2617 os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2618 switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
2619 case NL80211_TDLS_SETUP:
2620 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
2621 MACSTR, MAC2STR(data.tdls.peer));
2622 data.tdls.oper = TDLS_REQUEST_SETUP;
2623 break;
2624 case NL80211_TDLS_TEARDOWN:
2625 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
2626 MACSTR, MAC2STR(data.tdls.peer));
2627 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
2628 break;
2629 default:
2630 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
2631 "event");
2632 return;
2633 }
2634 if (tb[NL80211_ATTR_REASON_CODE]) {
2635 data.tdls.reason_code =
2636 nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
2637 }
2638
2639 wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
2640}
2641
2642
7239ea7f
ST		 2643static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
2644 struct nlattr **tb)
2645{
2646 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
2647}
2648
2649
3140803b
RM		 2650static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
2651 struct nlattr **tb)
2652{
2653 union wpa_event_data data;
2654 u32 reason;
2655
2656 wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
2657
2658 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
2659 return;
2660
2661 os_memset(&data, 0, sizeof(data));
2662 os_memcpy(data.connect_failed_reason.addr,
2663 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2664
2665 reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
2666 switch (reason) {
2667 case NL80211_CONN_FAIL_MAX_CLIENTS:
2668 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
2669 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
2670 break;
2671 case NL80211_CONN_FAIL_BLOCKED_CLIENT:
2672 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
2673 " tried to connect",
2674 MAC2STR(data.connect_failed_reason.addr));
2675 data.connect_failed_reason.code = BLOCKED_CLIENT;
2676 break;
2677 default:
2678 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
2679 "%u", reason);
2680 return;
2681 }
2682
2683 wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
2684}
2685
2686
04be54fa
SW		 2687static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
2688 struct nlattr **tb)
2689{
2690 union wpa_event_data data;
2691 enum nl80211_radar_event event_type;
2692
2693 if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
2694 return;
2695
2696 os_memset(&data, 0, sizeof(data));
cd3b0700
MK		 2697 data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
2698 event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
04be54fa 2699
846de15d
JD		 2700 /* Check HT params */
2701 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2702 data.dfs_event.ht_enabled = 1;
2703 data.dfs_event.chan_offset = 0;
2704
2705 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
2706 case NL80211_CHAN_NO_HT:
2707 data.dfs_event.ht_enabled = 0;
2708 break;
2709 case NL80211_CHAN_HT20:
2710 break;
2711 case NL80211_CHAN_HT40PLUS:
2712 data.dfs_event.chan_offset = 1;
2713 break;
2714 case NL80211_CHAN_HT40MINUS:
2715 data.dfs_event.chan_offset = -1;
2716 break;
2717 }
2718 }
2719
2720 /* Get VHT params */
884f1a3c
JM		 2721 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
2722 data.dfs_event.chan_width =
2723 convert2width(nla_get_u32(
2724 tb[NL80211_ATTR_CHANNEL_WIDTH]));
2725 if (tb[NL80211_ATTR_CENTER_FREQ1])
2726 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
846de15d
JD		 2727 if (tb[NL80211_ATTR_CENTER_FREQ2])
2728 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
2729
2730 wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
2731 data.dfs_event.freq, data.dfs_event.ht_enabled,
2732 data.dfs_event.chan_offset, data.dfs_event.chan_width,
2733 data.dfs_event.cf1, data.dfs_event.cf2);
04be54fa
SW		 2734
2735 switch (event_type) {
2736 case NL80211_RADAR_DETECTED:
2737 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
2738 break;
2739 case NL80211_RADAR_CAC_FINISHED:
2740 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
2741 break;
2742 case NL80211_RADAR_CAC_ABORTED:
2743 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
2744 break;
2745 case NL80211_RADAR_NOP_FINISHED:
2746 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
2747 break;
2748 default:
2749 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
2750 "received", event_type);
2751 break;
2752 }
2753}
2754
2755
3088e4e5
JB		 2756static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
2757 int wds)
02bb32c3
JB		 2758{
2759 struct wpa_driver_nl80211_data *drv = bss->drv;
2760 union wpa_event_data event;
02bb32c3
JB		 2761
2762 if (!tb[NL80211_ATTR_MAC])
2763 return;
2764
02bb32c3 2765 os_memset(&event, 0, sizeof(event));
341eebee 2766 event.rx_from_unknown.bssid = bss->addr;
02bb32c3 2767 event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
3088e4e5 2768 event.rx_from_unknown.wds = wds;
02bb32c3
JB		 2769
2770 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
2771}
2772
2773
253f2e37
AH		 2774static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
2775 const u8 *data, size_t len)
2776{
2777 u32 i, count;
2778 union wpa_event_data event;
2779 struct wpa_freq_range *range = NULL;
2780 const struct qca_avoid_freq_list *freq_range;
2781
2782 freq_range = (const struct qca_avoid_freq_list *) data;
2783 if (len < sizeof(freq_range->count))
2784 return;
2785
2786 count = freq_range->count;
2787 if (len < sizeof(freq_range->count) +
2788 count * sizeof(struct qca_avoid_freq_range)) {
2789 wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)",
2790 (unsigned int) len);
2791 return;
2792 }
2793
2794 if (count > 0) {
2795 range = os_calloc(count, sizeof(struct wpa_freq_range));
2796 if (range == NULL)
2797 return;
2798 }
2799
2800 os_memset(&event, 0, sizeof(event));
2801 for (i = 0; i < count; i++) {
2802 unsigned int idx = event.freq_range.num;
2803 range[idx].min = freq_range->range[i].start_freq;
2804 range[idx].max = freq_range->range[i].end_freq;
2805 wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u",
2806 range[idx].min, range[idx].max);
2807 if (range[idx].min > range[idx].max) {
2808 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range");
2809 continue;
2810 }
2811 event.freq_range.num++;
2812 }
2813 event.freq_range.range = range;
2814
2815 wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event);
2816
2817 os_free(range);
2818}
2819
2820
1682c623
JM		 2821static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
2822 u32 subcmd, u8 *data, size_t len)
2823{
2824 switch (subcmd) {
253f2e37
AH		 2825 case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
2826 qca_nl80211_avoid_freq(drv, data, len);
2827 break;
1682c623
JM		 2828 default:
2829 wpa_printf(MSG_DEBUG,
2830 "nl80211: Ignore unsupported QCA vendor event %u",
2831 subcmd);
2832 break;
2833 }
2834}
2835
2836
17b79e65
JM		 2837static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv,
2838 struct nlattr **tb)
2839{
2840 u32 vendor_id, subcmd, wiphy = 0;
2841 int wiphy_idx;
2842 u8 *data = NULL;
2843 size_t len = 0;
2844
2845 if (!tb[NL80211_ATTR_VENDOR_ID] ||
2846 !tb[NL80211_ATTR_VENDOR_SUBCMD])
2847 return;
2848
2849 vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]);
2850 subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]);
2851
2852 if (tb[NL80211_ATTR_WIPHY])
2853 wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2854
2855 wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u",
2856 wiphy, vendor_id, subcmd);
2857
2858 if (tb[NL80211_ATTR_VENDOR_DATA]) {
2859 data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]);
2860 len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]);
2861 wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len);
2862 }
2863
2864 wiphy_idx = nl80211_get_wiphy_index(drv->first_bss);
2865 if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) {
2866 wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)",
2867 wiphy, wiphy_idx);
2868 return;
2869 }
2870
2871 switch (vendor_id) {
1682c623
JM		 2872 case OUI_QCA:
2873 nl80211_vendor_event_qca(drv, subcmd, data, len);
2874 break;
17b79e65
JM		 2875 default:
2876 wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event");
2877 break;
2878 }
2879}
2880
2881
a5e1eb20
SE		 2882static void do_process_drv_event(struct i802_bss *bss, int cmd,
2883 struct nlattr **tb)
97865538 2884{
a5e1eb20 2885 struct wpa_driver_nl80211_data *drv = bss->drv;
795baf77 2886 union wpa_event_data data;
a5e1eb20 2887
2090a0b4
DS		 2888 wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
2889 cmd, nl80211_command_to_string(cmd), bss->ifname);
2890
b1f625e0 2891 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
d6c9aab8
JB		 2892 (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
2893 cmd == NL80211_CMD_SCAN_ABORTED)) {
834ee56f 2894 wpa_driver_nl80211_set_mode(drv->first_bss,
b1f625e0
EP		 2895 drv->ap_scan_as_station);
2896 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6
JM		 2897 }
2898
d6c9aab8 2899 switch (cmd) {
d942a79e 2900 case NL80211_CMD_TRIGGER_SCAN:
565110cd 2901 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
a771c07d 2902 drv->scan_state = SCAN_STARTED;
a5f40eff 2903 wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL);
d942a79e 2904 break;
d21c63b9 2905 case NL80211_CMD_START_SCHED_SCAN:
565110cd 2906 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
a771c07d 2907 drv->scan_state = SCHED_SCAN_STARTED;
d21c63b9
LC		 2908 break;
2909 case NL80211_CMD_SCHED_SCAN_STOPPED:
565110cd 2910 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
a771c07d 2911 drv->scan_state = SCHED_SCAN_STOPPED;
d21c63b9
LC		 2912 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2913 break;
97865538 2914 case NL80211_CMD_NEW_SCAN_RESULTS:
565110cd
JM		 2915 wpa_dbg(drv->ctx, MSG_DEBUG,
2916 "nl80211: New scan results available");
a771c07d 2917 drv->scan_state = SCAN_COMPLETED;
97865538
JM		 2918 drv->scan_complete_events = 1;
2919 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2920 drv->ctx);
8d923a4a 2921 send_scan_event(drv, 0, tb);
97865538 2922 break;
d21c63b9 2923 case NL80211_CMD_SCHED_SCAN_RESULTS:
565110cd
JM		 2924 wpa_dbg(drv->ctx, MSG_DEBUG,
2925 "nl80211: New sched scan results available");
a771c07d 2926 drv->scan_state = SCHED_SCAN_RESULTS;
d21c63b9
LC		 2927 send_scan_event(drv, 0, tb);
2928 break;
97865538 2929 case NL80211_CMD_SCAN_ABORTED:
565110cd 2930 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
a771c07d 2931 drv->scan_state = SCAN_ABORTED;
97865538
JM		 2932 /*
2933 * Need to indicate that scan results are available in order
2934 * not to make wpa_supplicant stop its scanning.
2935 */
2936 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2937 drv->ctx);
8d923a4a 2938 send_scan_event(drv, 1, tb);
97865538 2939 break;
c2a04078
JM		 2940 case NL80211_CMD_AUTHENTICATE:
2941 case NL80211_CMD_ASSOCIATE:
2942 case NL80211_CMD_DEAUTHENTICATE:
2943 case NL80211_CMD_DISASSOCIATE:
bd94971e 2944 case NL80211_CMD_FRAME_TX_STATUS:
7d878ca7
JM		 2945 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2946 case NL80211_CMD_UNPROT_DISASSOCIATE:
97279d8d 2947 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
58f6fbe0
JM		 2948 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2949 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 2950 tb[NL80211_ATTR_COOKIE],
2951 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
c2a04078 2952 break;
da72a1c1
ZY		 2953 case NL80211_CMD_CONNECT:
2954 case NL80211_CMD_ROAM:
d6c9aab8 2955 mlme_event_connect(drv, cmd,
da72a1c1
ZY		 2956 tb[NL80211_ATTR_STATUS_CODE],
2957 tb[NL80211_ATTR_MAC],
2958 tb[NL80211_ATTR_REQ_IE],
2959 tb[NL80211_ATTR_RESP_IE]);
2960 break;
1b487b8b 2961 case NL80211_CMD_CH_SWITCH_NOTIFY:
8d1fdde7
JD		 2962 mlme_event_ch_switch(drv,
2963 tb[NL80211_ATTR_IFINDEX],
2964 tb[NL80211_ATTR_WIPHY_FREQ],
2965 tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2966 tb[NL80211_ATTR_CHANNEL_WIDTH],
2967 tb[NL80211_ATTR_CENTER_FREQ1],
2968 tb[NL80211_ATTR_CENTER_FREQ2]);
1b487b8b 2969 break;
da72a1c1 2970 case NL80211_CMD_DISCONNECT:
20f5a4c2 2971 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
3d9975d5
JM		 2972 tb[NL80211_ATTR_MAC],
2973 tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
da72a1c1 2974 break;
35583f3f 2975 case NL80211_CMD_MICHAEL_MIC_FAILURE:
a5e1eb20 2976 mlme_event_michael_mic_failure(bss, tb);
35583f3f 2977 break;
5cc4d64b
JM		 2978 case NL80211_CMD_JOIN_IBSS:
2979 mlme_event_join_ibss(drv, tb);
2980 break;
55777702
JM		 2981 case NL80211_CMD_REMAIN_ON_CHANNEL:
2982 mlme_event_remain_on_channel(drv, 0, tb);
2983 break;
2984 case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
2985 mlme_event_remain_on_channel(drv, 1, tb);
2986 break;
93910401
JM		 2987 case NL80211_CMD_NOTIFY_CQM:
2988 nl80211_cqm_event(drv, tb);
2989 break;
33c5deb8
JM		 2990 case NL80211_CMD_REG_CHANGE:
2991 wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
795baf77
AS		 2992 if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
2993 break;
2994 os_memset(&data, 0, sizeof(data));
2995 switch (nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR])) {
2996 case NL80211_REGDOM_SET_BY_CORE:
2997 data.channel_list_changed.initiator =
2998 REGDOM_SET_BY_CORE;
2999 break;
3000 case NL80211_REGDOM_SET_BY_USER:
3001 data.channel_list_changed.initiator =
3002 REGDOM_SET_BY_USER;
3003 break;
3004 case NL80211_REGDOM_SET_BY_DRIVER:
3005 data.channel_list_changed.initiator =
3006 REGDOM_SET_BY_DRIVER;
3007 break;
3008 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
3009 data.channel_list_changed.initiator =
3010 REGDOM_SET_BY_COUNTRY_IE;
3011 break;
3012 default:
3013 wpa_printf(MSG_DEBUG, "nl80211: Unknown reg change initiator %d received",
3014 nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]));
3015 break;
3016 }
33c5deb8 3017 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
795baf77 3018 &data);
33c5deb8
JM		 3019 break;
3020 case NL80211_CMD_REG_BEACON_HINT:
3021 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
8597ebdb
JM		 3022 os_memset(&data, 0, sizeof(data));
3023 data.channel_list_changed.initiator = REGDOM_BEACON_HINT;
33c5deb8 3024 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
8597ebdb 3025 &data);
33c5deb8 3026 break;
18d2ba08
JM		 3027 case NL80211_CMD_NEW_STATION:
3028 nl80211_new_station_event(drv, tb);
3029 break;
ef985058
JM		 3030 case NL80211_CMD_DEL_STATION:
3031 nl80211_del_station_event(drv, tb);
3032 break;
b14a210c
JB		 3033 case NL80211_CMD_SET_REKEY_OFFLOAD:
3034 nl80211_rekey_offload_event(drv, tb);
3035 break;
c36d5242
JM		 3036 case NL80211_CMD_PMKSA_CANDIDATE:
3037 nl80211_pmksa_candidate_event(drv, tb);
3038 break;
39718852
JB		 3039 case NL80211_CMD_PROBE_CLIENT:
3040 nl80211_client_probe_event(drv, tb);
3041 break;
6201b052
JM		 3042 case NL80211_CMD_TDLS_OPER:
3043 nl80211_tdls_oper_event(drv, tb);
3044 break;
3140803b
RM		 3045 case NL80211_CMD_CONN_FAILED:
3046 nl80211_connect_failed_event(drv, tb);
3047 break;
6a1ce395
DG		 3048 case NL80211_CMD_FT_EVENT:
3049 mlme_event_ft_event(drv, tb);
3050 break;
04be54fa
SW		 3051 case NL80211_CMD_RADAR_DETECT:
3052 nl80211_radar_event(drv, tb);
3053 break;
7239ea7f
ST		 3054 case NL80211_CMD_STOP_AP:
3055 nl80211_stop_ap(drv, tb);
3056 break;
17b79e65
JM		 3057 case NL80211_CMD_VENDOR:
3058 nl80211_vendor_event(drv, tb);
3059 break;
97865538 3060 default:
565110cd
JM		 3061 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
3062 "(cmd=%d)", cmd);
97865538
JM		 3063 break;
3064 }
d6c9aab8
JB		 3065}
3066
3067
3068static int process_drv_event(struct nl_msg *msg, void *arg)
3069{
3070 struct wpa_driver_nl80211_data *drv = arg;
3071 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3072 struct nlattr *tb[NL80211_ATTR_MAX + 1];
a5e1eb20
SE		 3073 struct i802_bss *bss;
3074 int ifidx = -1;
d6c9aab8
JB		 3075
3076 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3077 genlmsg_attrlen(gnlh, 0), NULL);
3078
d3aaef80 3079 if (tb[NL80211_ATTR_IFINDEX]) {
a5e1eb20
SE		 3080 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
3081
834ee56f 3082 for (bss = drv->first_bss; bss; bss = bss->next)
d3aaef80
DS		 3083 if (ifidx == -1 || ifidx == bss->ifindex) {
3084 do_process_drv_event(bss, gnlh->cmd, tb);
3085 return NL_SKIP;
3086 }
3087 wpa_printf(MSG_DEBUG,
3088 "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d)",
3089 gnlh->cmd, ifidx);
3090 } else if (tb[NL80211_ATTR_WDEV]) {
3091 u64 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
3092 wpa_printf(MSG_DEBUG, "nl80211: Process event on P2P device");
834ee56f 3093 for (bss = drv->first_bss; bss; bss = bss->next) {
d3aaef80
DS		 3094 if (bss->wdev_id_set && wdev_id == bss->wdev_id) {
3095 do_process_drv_event(bss, gnlh->cmd, tb);
3096 return NL_SKIP;
3097 }
d6c9aab8 3098 }
d3aaef80
DS		 3099 wpa_printf(MSG_DEBUG,
3100 "nl80211: Ignored event (cmd=%d) for foreign interface (wdev 0x%llx)",
3101 gnlh->cmd, (long long unsigned int) wdev_id);
d6c9aab8
JB		 3102 }
3103
d6c9aab8
JB		 3104 return NL_SKIP;
3105}
3106
3107
3108static int process_global_event(struct nl_msg *msg, void *arg)
3109{
3110 struct nl80211_global *global = arg;
3111 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3112 struct nlattr *tb[NL80211_ATTR_MAX + 1];
24b5bd8b 3113 struct wpa_driver_nl80211_data *drv, *tmp;
d6c9aab8 3114 int ifidx = -1;
a5e1eb20 3115 struct i802_bss *bss;
54d4ba42 3116 u64 wdev_id = 0;
d3aaef80 3117 int wdev_id_set = 0;
d6c9aab8
JB		 3118
3119 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3120 genlmsg_attrlen(gnlh, 0), NULL);
3121
3122 if (tb[NL80211_ATTR_IFINDEX])
3123 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
d3aaef80
DS		 3124 else if (tb[NL80211_ATTR_WDEV]) {
3125 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
3126 wdev_id_set = 1;
3127 }
d6c9aab8 3128
24b5bd8b
JB		 3129 dl_list_for_each_safe(drv, tmp, &global->interfaces,
3130 struct wpa_driver_nl80211_data, list) {
834ee56f 3131 for (bss = drv->first_bss; bss; bss = bss->next) {
d3aaef80
DS		 3132 if ((ifidx == -1 && !wdev_id_set) ||
3133 ifidx == bss->ifindex ||
3134 (wdev_id_set && bss->wdev_id_set &&
3135 wdev_id == bss->wdev_id)) {
a5e1eb20
SE		 3136 do_process_drv_event(bss, gnlh->cmd, tb);
3137 return NL_SKIP;
3138 }
3139 }
d6c9aab8 3140 }
97865538
JM		 3141
3142 return NL_SKIP;
3143}
3144
3145
cc7a48d1
JB		 3146static int process_bss_event(struct nl_msg *msg, void *arg)
3147{
a11241fa 3148 struct i802_bss *bss = arg;
cc7a48d1
JB		 3149 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3150 struct nlattr *tb[NL80211_ATTR_MAX + 1];
3151
3152 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3153 genlmsg_attrlen(gnlh, 0), NULL);
3154
2090a0b4
DS		 3155 wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
3156 gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
3157 bss->ifname);
3158
cc7a48d1 3159 switch (gnlh->cmd) {
a11241fa
JB		 3160 case NL80211_CMD_FRAME:
3161 case NL80211_CMD_FRAME_TX_STATUS:
97279d8d 3162 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
a11241fa
JB		 3163 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
3164 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 3165 tb[NL80211_ATTR_COOKIE],
3166 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
a11241fa 3167 break;
02bb32c3 3168 case NL80211_CMD_UNEXPECTED_FRAME:
3088e4e5
JB		 3169 nl80211_spurious_frame(bss, tb, 0);
3170 break;
3171 case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
3172 nl80211_spurious_frame(bss, tb, 1);
02bb32c3 3173 break;
cc7a48d1
JB		 3174 default:
3175 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
3176 "(cmd=%d)", gnlh->cmd);
3177 break;
3178 }
3179
3180 return NL_SKIP;
3181}
3182
3183
97865538 3184static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 3185 void *handle)
97865538 3186{
a4ae123c 3187 struct nl_cb *cb = eloop_ctx;
34068ac3 3188 int res;
97865538 3189
cc2ada86 3190 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
97865538 3191
34068ac3
JM		 3192 res = nl_recvmsgs(handle, cb);
3193 if (res) {
3194 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
3195 __func__, res);
3196 }
97865538
JM		 3197}
3198
3199
6d158490
LR		 3200/**
3201 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
3202 * @priv: driver_nl80211 private data
3203 * @alpha2_arg: country to which to switch to
3204 * Returns: 0 on success, -1 on failure
3205 *
3206 * This asks nl80211 to set the regulatory domain for given
3207 * country ISO / IEC alpha2.
3208 */
3209static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
3210{
a2e40bb6
FF		 3211 struct i802_bss *bss = priv;
3212 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 3213 char alpha2[3];
3214 struct nl_msg *msg;
3215
3216 msg = nlmsg_alloc();
3217 if (!msg)
e785c2ba 3218 return -ENOMEM;
6d158490
LR		 3219
3220 alpha2[0] = alpha2_arg[0];
3221 alpha2[1] = alpha2_arg[1];
3222 alpha2[2] = '\0';
3223
9fb04070 3224 nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG);
6d158490
LR		 3225
3226 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2);
3227 if (send_and_recv_msgs(drv, msg, NULL, NULL))
3228 return -EINVAL;
3229 return 0;
3230nla_put_failure:
5883168a 3231 nlmsg_free(msg);
6d158490
LR		 3232 return -EINVAL;
3233}
3234
3235
f0793bf1
JM		 3236static int nl80211_get_country(struct nl_msg *msg, void *arg)
3237{
3238 char *alpha2 = arg;
3239 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
3240 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3241
3242 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3243 genlmsg_attrlen(gnlh, 0), NULL);
3244 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
3245 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
3246 return NL_SKIP;
3247 }
3248 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
3249 return NL_SKIP;
3250}
3251
3252
3253static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
3254{
3255 struct i802_bss *bss = priv;
3256 struct wpa_driver_nl80211_data *drv = bss->drv;
3257 struct nl_msg *msg;
3258 int ret;
3259
3260 msg = nlmsg_alloc();
3261 if (!msg)
3262 return -ENOMEM;
3263
3264 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
3265 alpha2[0] = '\0';
3266 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
3267 if (!alpha2[0])
3268 ret = -1;
3269
3270 return ret;
3271}
3272
3273
43245552
DJ		 3274static int protocol_feature_handler(struct nl_msg *msg, void *arg)
3275{
3276 u32 *feat = arg;
3277 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
3278 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3279
3280 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3281 genlmsg_attrlen(gnlh, 0), NULL);
3282
3283 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
3284 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
3285
3286 return NL_SKIP;
3287}
3288
3289
3290static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
3291{
3292 u32 feat = 0;
3293 struct nl_msg *msg;
3294
3295 msg = nlmsg_alloc();
3296 if (!msg)
3297 goto nla_put_failure;
3298
3299 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES);
3300 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
3301 return feat;
3302
3303 msg = NULL;
3304nla_put_failure:
3305 nlmsg_free(msg);
3306 return 0;
3307}
3308
3309
80bc75f1 3310struct wiphy_info_data {
8cd6b7bc 3311 struct wpa_driver_nl80211_data *drv;
e8b5e24e
JB		 3312 struct wpa_driver_capa *capa;
3313
4752147d
IP		 3314 unsigned int num_multichan_concurrent;
3315
e8b5e24e 3316 unsigned int error:1;
61cbe2ff 3317 unsigned int device_ap_sme:1;
39718852 3318 unsigned int poll_command_supported:1;
32ab4855 3319 unsigned int data_tx_status:1;
536062f2 3320 unsigned int monitor_supported:1;
43245552
DJ		 3321 unsigned int auth_supported:1;
3322 unsigned int connect_supported:1;
3323 unsigned int p2p_go_supported:1;
3324 unsigned int p2p_client_supported:1;
3325 unsigned int p2p_concurrent:1;
1c4ffa87 3326 unsigned int channel_switch_supported:1;
429dd9af 3327 unsigned int set_qos_map_supported:1;
80bc75f1
JM		 3328};
3329
3330
562c9d97
AN		 3331static unsigned int probe_resp_offload_support(int supp_protocols)
3332{
3333 unsigned int prot = 0;
3334
3335 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
3336 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
3337 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
3338 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
3339 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
3340 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
3341 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
3342 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
3343
3344 return prot;
3345}
3346
3347
5f439107
JM		 3348static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
3349 struct nlattr *tb)
80bc75f1 3350{
5f439107
JM		 3351 struct nlattr *nl_mode;
3352 int i;
3353
3354 if (tb == NULL)
3355 return;
3356
3357 nla_for_each_nested(nl_mode, tb, i) {
3358 switch (nla_type(nl_mode)) {
3359 case NL80211_IFTYPE_AP:
3360 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
3361 break;
65d52fc1
BR		 3362 case NL80211_IFTYPE_ADHOC:
3363 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
3364 break;
7aad838c
NS		 3365 case NL80211_IFTYPE_P2P_DEVICE:
3366 info->capa->flags |=
3367 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
3368 break;
5f439107
JM		 3369 case NL80211_IFTYPE_P2P_GO:
3370 info->p2p_go_supported = 1;
3371 break;
3372 case NL80211_IFTYPE_P2P_CLIENT:
3373 info->p2p_client_supported = 1;
3374 break;
3375 case NL80211_IFTYPE_MONITOR:
3376 info->monitor_supported = 1;
3377 break;
3378 }
3379 }
3380}
3381
3382
3383static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
3384 struct nlattr *nl_combi)
3385{
3386 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
3387 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
3388 struct nlattr *nl_limit, *nl_mode;
3389 int err, rem_limit, rem_mode;
3390 int combination_has_p2p = 0, combination_has_mgd = 0;
7626850d
JB		 3391 static struct nla_policy
3392 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
3393 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
3394 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
3395 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
3396 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
f295d0c8 3397 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
7626850d
JB		 3398 },
3399 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
3400 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
3401 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
3402 };
80bc75f1 3403
5f439107
JM		 3404 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
3405 nl_combi, iface_combination_policy);
3406 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
3407 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
3408 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
3409 return 0; /* broken combination */
3410
f295d0c8
SW		 3411 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
3412 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
3413
5f439107
JM		 3414 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
3415 rem_limit) {
3416 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
3417 nl_limit, iface_limit_policy);
3418 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
3419 return 0; /* broken combination */
3420
3421 nla_for_each_nested(nl_mode,
3422 tb_limit[NL80211_IFACE_LIMIT_TYPES],
3423 rem_mode) {
3424 int ift = nla_type(nl_mode);
3425 if (ift == NL80211_IFTYPE_P2P_GO ||
3426 ift == NL80211_IFTYPE_P2P_CLIENT)
3427 combination_has_p2p = 1;
3428 if (ift == NL80211_IFTYPE_STATION)
3429 combination_has_mgd = 1;
3430 }
3431 if (combination_has_p2p && combination_has_mgd)
3432 break;
3433 }
3434
3435 if (combination_has_p2p && combination_has_mgd) {
3436 info->p2p_concurrent = 1;
4752147d
IP		 3437 info->num_multichan_concurrent =
3438 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
5f439107
JM		 3439 return 1;
3440 }
3441
3442 return 0;
3443}
3444
3445
3446static void wiphy_info_iface_comb(struct wiphy_info_data *info,
3447 struct nlattr *tb)
3448{
3449 struct nlattr *nl_combi;
3450 int rem_combi;
3451
3452 if (tb == NULL)
3453 return;
3454
3455 nla_for_each_nested(nl_combi, tb, rem_combi) {
3456 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
3457 break;
3458 }
3459}
3460
3461
3462static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
3463 struct nlattr *tb)
3464{
3465 struct nlattr *nl_cmd;
3466 int i;
3467
3468 if (tb == NULL)
3469 return;
3470
3471 nla_for_each_nested(nl_cmd, tb, i) {
3472 switch (nla_get_u32(nl_cmd)) {
3473 case NL80211_CMD_AUTHENTICATE:
3474 info->auth_supported = 1;
3475 break;
3476 case NL80211_CMD_CONNECT:
3477 info->connect_supported = 1;
3478 break;
3479 case NL80211_CMD_START_SCHED_SCAN:
3480 info->capa->sched_scan_supported = 1;
3481 break;
3482 case NL80211_CMD_PROBE_CLIENT:
3483 info->poll_command_supported = 1;
3484 break;
1c4ffa87
AO		 3485 case NL80211_CMD_CHANNEL_SWITCH:
3486 info->channel_switch_supported = 1;
3487 break;
429dd9af
JM		 3488 case NL80211_CMD_SET_QOS_MAP:
3489 info->set_qos_map_supported = 1;
3490 break;
5f439107
JM		 3491 }
3492 }
3493}
3494
3495
bee25cc9
JM		 3496static void wiphy_info_cipher_suites(struct wiphy_info_data *info,
3497 struct nlattr *tb)
3498{
3499 int i, num;
3500 u32 *ciphers;
3501
3502 if (tb == NULL)
3503 return;
3504
3505 num = nla_len(tb) / sizeof(u32);
3506 ciphers = nla_data(tb);
3507 for (i = 0; i < num; i++) {
3508 u32 c = ciphers[i];
3509
3510 wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d",
3511 c >> 24, (c >> 16) & 0xff,
3512 (c >> 8) & 0xff, c & 0xff);
3513 switch (c) {
3514 case WLAN_CIPHER_SUITE_CCMP_256:
3515 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
3516 break;
3517 case WLAN_CIPHER_SUITE_GCMP_256:
3518 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
3519 break;
3520 case WLAN_CIPHER_SUITE_CCMP:
3521 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
3522 break;
3523 case WLAN_CIPHER_SUITE_GCMP:
3524 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
3525 break;
3526 case WLAN_CIPHER_SUITE_TKIP:
3527 info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
3528 break;
3529 case WLAN_CIPHER_SUITE_WEP104:
3530 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
3531 break;
3532 case WLAN_CIPHER_SUITE_WEP40:
3533 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
3534 break;
3535 case WLAN_CIPHER_SUITE_AES_CMAC:
3536 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
3537 break;
3538 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
3539 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
3540 break;
3541 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
3542 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
3543 break;
3544 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
3545 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
3546 break;
ae6f9272
JM		 3547 case WLAN_CIPHER_SUITE_NO_GROUP_ADDR:
3548 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED;
3549 break;
bee25cc9
JM		 3550 }
3551 }
3552}
3553
3554
5f439107
JM		 3555static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
3556 struct nlattr *tb)
3557{
5f439107
JM		 3558 if (tb)
3559 capa->max_remain_on_chan = nla_get_u32(tb);
3560}
3561
3562
3563static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
3564 struct nlattr *ext_setup)
3565{
3566 if (tdls == NULL)
3567 return;
3568
3569 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
3570 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
3571
3572 if (ext_setup) {
3573 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
3574 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
3575 }
3576}
3577
3578
3579static void wiphy_info_feature_flags(struct wiphy_info_data *info,
3580 struct nlattr *tb)
3581{
3582 u32 flags;
3583 struct wpa_driver_capa *capa = info->capa;
3584
3585 if (tb == NULL)
3586 return;
3587
3588 flags = nla_get_u32(tb);
3589
3590 if (flags & NL80211_FEATURE_SK_TX_STATUS)
3591 info->data_tx_status = 1;
3592
3593 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
3594 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
3595
3596 if (flags & NL80211_FEATURE_SAE)
3597 capa->flags |= WPA_DRIVER_FLAGS_SAE;
3598
3599 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
3600 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
3601}
3602
3603
3604static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
3605 struct nlattr *tb)
3606{
3607 u32 protocols;
3608
3609 if (tb == NULL)
3610 return;
3611
3612 protocols = nla_get_u32(tb);
3613 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
3614 "mode");
3615 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
3616 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
3617}
3618
3619
3620static int wiphy_info_handler(struct nl_msg *msg, void *arg)
3621{
3622 struct nlattr *tb[NL80211_ATTR_MAX + 1];
3623 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3624 struct wiphy_info_data *info = arg;
3625 struct wpa_driver_capa *capa = info->capa;
8cd6b7bc 3626 struct wpa_driver_nl80211_data *drv = info->drv;
5f439107 3627
80bc75f1
JM		 3628 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3629 genlmsg_attrlen(gnlh, 0), NULL);
3630
5fbcb45d 3631 if (tb[NL80211_ATTR_WIPHY_NAME])
24f051eb 3632 os_strlcpy(drv->phyname,
5fbcb45d
AS		 3633 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
3634 sizeof(drv->phyname));
80bc75f1 3635 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
e8b5e24e 3636 capa->max_scan_ssids =
80bc75f1
JM		 3637 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
3638
d21c63b9 3639 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
e8b5e24e 3640 capa->max_sched_scan_ssids =
d21c63b9
LC		 3641 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
3642
bd525934 3643 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
e8b5e24e 3644 capa->max_match_sets =
bd525934
LC		 3645 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
3646
3c4ca363
VN		 3647 if (tb[NL80211_ATTR_MAC_ACL_MAX])
3648 capa->max_acl_mac_addrs =
3649 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
3650
5f439107
JM		 3651 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
3652 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
3653 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
bee25cc9 3654 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
93d11400 3655
e8b5e24e
JB		 3656 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
3657 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
3658 "off-channel TX");
3659 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
3660 }
3661
3662 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
3663 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
3664 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
3665 }
5dfca53f 3666
5f439107
JM		 3667 wiphy_info_max_roc(capa,
3668 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
004ba773 3669
70619a5d
EP		 3670 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
3671 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
3672
5f439107
JM		 3673 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
3674 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
03ea1786 3675
61cbe2ff
JB		 3676 if (tb[NL80211_ATTR_DEVICE_AP_SME])
3677 info->device_ap_sme = 1;
3678
5f439107
JM		 3679 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
3680 wiphy_info_probe_resp_offload(capa,
3681 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
562c9d97 3682
8cd6b7bc
JB		 3683 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
3684 drv->extended_capa == NULL) {
3685 drv->extended_capa =
3686 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3687 if (drv->extended_capa) {
3688 os_memcpy(drv->extended_capa,
3689 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3690 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3691 drv->extended_capa_len =
3692 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
3693 }
3694 drv->extended_capa_mask =
3695 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3696 if (drv->extended_capa_mask) {
3697 os_memcpy(drv->extended_capa_mask,
3698 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
3699 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
3700 } else {
3701 os_free(drv->extended_capa);
3702 drv->extended_capa = NULL;
3703 drv->extended_capa_len = 0;
3704 }
3705 }
3706
17b79e65
JM		 3707 if (tb[NL80211_ATTR_VENDOR_DATA]) {
3708 struct nlattr *nl;
3709 int rem;
3710
3711 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
3712 struct nl80211_vendor_cmd_info *vinfo;
080cc445 3713 if (nla_len(nl) != sizeof(*vinfo)) {
17b79e65
JM		 3714 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
3715 continue;
3716 }
3717 vinfo = nla_data(nl);
3718 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
3719 vinfo->vendor_id, vinfo->subcmd);
3720 }
3721 }
3722
3723 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
3724 struct nlattr *nl;
3725 int rem;
3726
3727 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
3728 struct nl80211_vendor_cmd_info *vinfo;
080cc445 3729 if (nla_len(nl) != sizeof(*vinfo)) {
17b79e65
JM		 3730 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
3731 continue;
3732 }
3733 vinfo = nla_data(nl);
3734 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
3735 vinfo->vendor_id, vinfo->subcmd);
3736 }
3737 }
3738
80bc75f1
JM		 3739 return NL_SKIP;
3740}
3741
3742
3743static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
3744 struct wiphy_info_data *info)
3745{
43245552 3746 u32 feat;
80bc75f1
JM		 3747 struct nl_msg *msg;
3748
3749 os_memset(info, 0, sizeof(*info));
e8b5e24e 3750 info->capa = &drv->capa;
8cd6b7bc 3751 info->drv = drv;
89e07afb 3752
80bc75f1
JM		 3753 msg = nlmsg_alloc();
3754 if (!msg)
3755 return -1;
3756
43245552
DJ		 3757 feat = get_nl80211_protocol_features(drv);
3758 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
3759 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
3760 else
3761 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
80bc75f1 3762
43245552 3763 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
834ee56f 3764 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
f632e483 3765 goto nla_put_failure;
80bc75f1 3766
43245552
DJ		 3767 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
3768 return -1;
3769
3770 if (info->auth_supported)
3771 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
3772 else if (!info->connect_supported) {
3773 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
3774 "authentication/association or connect commands");
3775 info->error = 1;
3776 }
3777
3778 if (info->p2p_go_supported && info->p2p_client_supported)
3779 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
3780 if (info->p2p_concurrent) {
3781 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
3782 "interface (driver advertised support)");
3783 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
3784 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
3785 }
4752147d 3786 if (info->num_multichan_concurrent > 1) {
43245552
DJ		 3787 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
3788 "concurrent (driver advertised support)");
4752147d
IP		 3789 drv->capa.num_multichan_concurrent =
3790 info->num_multichan_concurrent;
43245552 3791 }
b691dcb1
IP		 3792
3793 /* default to 5000 since early versions of mac80211 don't set it */
3794 if (!drv->capa.max_remain_on_chan)
3795 drv->capa.max_remain_on_chan = 5000;
3796
991aa9c7
AO		 3797 if (info->channel_switch_supported)
3798 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
3799
43245552 3800 return 0;
80bc75f1
JM		 3801nla_put_failure:
3802 nlmsg_free(msg);
3803 return -1;
3804}
3805
3806
93d11400 3807static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
80bc75f1
JM		 3808{
3809 struct wiphy_info_data info;
3810 if (wpa_driver_nl80211_get_info(drv, &info))
93d11400 3811 return -1;
e8b5e24e
JB		 3812
3813 if (info.error)
3814 return -1;
3815
80bc75f1 3816 drv->has_capability = 1;
1b2a72e8
JM		 3817 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3818 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3819 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3820 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
291b6068
JM		 3821 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
3822 WPA_DRIVER_AUTH_SHARED |
3823 WPA_DRIVER_AUTH_LEAP;
1b2a72e8 3824
871f4dd0 3825 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
0194fedb 3826 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
2fee890a 3827 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
e1bd4e19 3828
354c903f
MB		 3829 /*
3830 * As all cfg80211 drivers must support cases where the AP interface is
3831 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
3832 * case that the user space daemon has crashed, they must be able to
3833 * cleanup all stations and key entries in the AP tear down flow. Thus,
3834 * this flag can/should always be set for cfg80211 drivers.
3835 */
3836 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
3837
e5091674 3838 if (!info.device_ap_sme) {
e1bd4e19 3839 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
0194fedb 3840
e5091674
JM		 3841 /*
3842 * No AP SME is currently assumed to also indicate no AP MLME
3843 * in the driver/firmware.
3844 */
3845 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
3846 }
3847
61cbe2ff 3848 drv->device_ap_sme = info.device_ap_sme;
39718852 3849 drv->poll_command_supported = info.poll_command_supported;
32ab4855 3850 drv->data_tx_status = info.data_tx_status;
429dd9af
JM		 3851 if (info.set_qos_map_supported)
3852 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
61cbe2ff 3853
a11241fa 3854 /*
73a3c6ff
FF		 3855 * If poll command and tx status are supported, mac80211 is new enough
3856 * to have everything we need to not need monitor interfaces.
a11241fa 3857 */
73a3c6ff 3858 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
a11241fa 3859
536062f2
JM		 3860 if (drv->device_ap_sme && drv->use_monitor) {
3861 /*
3862 * Non-mac80211 drivers may not support monitor interface.
3863 * Make sure we do not get stuck with incorrect capability here
3864 * by explicitly testing this.
3865 */
3866 if (!info.monitor_supported) {
3867 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
3868 "with device_ap_sme since no monitor mode "
3869 "support detected");
3870 drv->use_monitor = 0;
3871 }
3872 }
3873
a11241fa
JB		 3874 /*
3875 * If we aren't going to use monitor interfaces, but the
3876 * driver doesn't support data TX status, we won't get TX
3877 * status for EAPOL frames.
3878 */
3879 if (!drv->use_monitor && !info.data_tx_status)
3880 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
3881
93d11400 3882 return 0;
80bc75f1
JM		 3883}
3884
3885
b088cf82
JM		 3886#ifdef ANDROID
3887static int android_genl_ctrl_resolve(struct nl_handle *handle,
3888 const char *name)
3889{
3890 /*
3891 * Android ICS has very minimal genl_ctrl_resolve() implementation, so
3892 * need to work around that.
3893 */
3894 struct nl_cache *cache = NULL;
3895 struct genl_family *nl80211 = NULL;
3896 int id = -1;
3897
3898 if (genl_ctrl_alloc_cache(handle, &cache) < 0) {
3899 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
3900 "netlink cache");
3901 goto fail;
3902 }
3903
3904 nl80211 = genl_ctrl_search_by_name(cache, name);
3905 if (nl80211 == NULL)
3906 goto fail;
3907
3908 id = genl_family_get_id(nl80211);
3909
3910fail:
3911 if (nl80211)
3912 genl_family_put(nl80211);
3913 if (cache)
3914 nl_cache_free(cache);
3915
3916 return id;
3917}
3918#define genl_ctrl_resolve android_genl_ctrl_resolve
3919#endif /* ANDROID */
3920
3921
2a7b66f5
BG		 3922static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
3923{
d6c9aab8
JB		 3924 int ret;
3925
2a7b66f5
BG		 3926 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3927 if (global->nl_cb == NULL) {
3928 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
3929 "callbacks");
3930 return -1;
3931 }
3932
481234cf
JM		 3933 global->nl = nl_create_handle(global->nl_cb, "nl");
3934 if (global->nl == NULL)
d6c9aab8 3935 goto err;
276e2d67 3936
481234cf 3937 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 3938 if (global->nl80211_id < 0) {
276e2d67
BG		 3939 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
3940 "found");
d6c9aab8 3941 goto err;
276e2d67
BG		 3942 }
3943
481234cf
JM		 3944 global->nl_event = nl_create_handle(global->nl_cb, "event");
3945 if (global->nl_event == NULL)
d6c9aab8 3946 goto err;
9fff9fdc 3947
d6c9aab8 3948 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 3949 if (ret >= 0)
481234cf 3950 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 3951 if (ret < 0) {
3952 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
3953 "membership for scan events: %d (%s)",
3954 ret, strerror(-ret));
d6c9aab8 3955 goto err;
97865538 3956 }
c2a04078 3957
d6c9aab8 3958 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 3959 if (ret >= 0)
481234cf 3960 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 3961 if (ret < 0) {
3962 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
3963 "membership for mlme events: %d (%s)",
3964 ret, strerror(-ret));
d6c9aab8 3965 goto err;
c2a04078 3966 }
c2a04078 3967
d6c9aab8 3968 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 3969 if (ret >= 0)
481234cf 3970 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 3971 if (ret < 0) {
3972 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
3973 "membership for regulatory events: %d (%s)",
3974 ret, strerror(-ret));
3975 /* Continue without regulatory events */
3976 }
3977
17b79e65
JM		 3978 ret = nl_get_multicast_id(global, "nl80211", "vendor");
3979 if (ret >= 0)
3980 ret = nl_socket_add_membership(global->nl_event, ret);
3981 if (ret < 0) {
3982 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
3983 "membership for vendor events: %d (%s)",
3984 ret, strerror(-ret));
3985 /* Continue without vendor events */
3986 }
3987
d6c9aab8
JB		 3988 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3989 no_seq_check, NULL);
3990 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3991 process_global_event, global);
3992
5f65e9f7
JB		 3993 nl80211_register_eloop_read(&global->nl_event,
3994 wpa_driver_nl80211_event_receive,
3995 global->nl_cb);
d6c9aab8
JB		 3996
3997 return 0;
3998
3999err:
4000 nl_destroy_handles(&global->nl_event);
4001 nl_destroy_handles(&global->nl);
4002 nl_cb_put(global->nl_cb);
671a5039 4003 global->nl_cb = NULL;
d6c9aab8
JB		 4004 return -1;
4005}
4006
4007
4008static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
4009{
1afc986d
JB		 4010 drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
4011 if (!drv->nl_cb) {
4012 wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct");
d6c9aab8 4013 return -1;
1afc986d
JB		 4014 }
4015
4016 nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
4017 no_seq_check, NULL);
f06aedd9
JB		 4018 nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
4019 process_drv_event, drv);
1afc986d 4020
9fff9fdc 4021 return 0;
9fff9fdc
JM		 4022}
4023
4024
8401a6b0
JM		 4025static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
4026{
8401a6b0 4027 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
a63063b4
JM		 4028 /*
4029 * This may be for any interface; use ifdown event to disable
4030 * interface.
4031 */
8401a6b0
JM		 4032}
4033
4034
4035static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
4036{
4037 struct wpa_driver_nl80211_data *drv = ctx;
4038 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
834ee56f 4039 if (i802_set_iface_flags(drv->first_bss, 1)) {
8401a6b0
JM		 4040 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
4041 "after rfkill unblock");
4042 return;
4043 }
a63063b4 4044 /* rtnetlink ifup handler will report interface as enabled */
8401a6b0
JM		 4045}
4046
4047
32ab4855
JB		 4048static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
4049 void *eloop_ctx,
4050 void *handle)
4051{
4052 struct wpa_driver_nl80211_data *drv = eloop_ctx;
4053 u8 data[2048];
4054 struct msghdr msg;
4055 struct iovec entry;
cad0f50e 4056 u8 control[512];
32ab4855
JB		 4057 struct cmsghdr *cmsg;
4058 int res, found_ee = 0, found_wifi = 0, acked = 0;
4059 union wpa_event_data event;
4060
4061 memset(&msg, 0, sizeof(msg));
4062 msg.msg_iov = &entry;
4063 msg.msg_iovlen = 1;
4064 entry.iov_base = data;
4065 entry.iov_len = sizeof(data);
4066 msg.msg_control = &control;
4067 msg.msg_controllen = sizeof(control);
4068
4069 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
4070 /* if error or not fitting 802.3 header, return */
4071 if (res < 14)
4072 return;
4073
4074 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
4075 {
4076 if (cmsg->cmsg_level == SOL_SOCKET &&
4077 cmsg->cmsg_type == SCM_WIFI_STATUS) {
4078 int *ack;
4079
4080 found_wifi = 1;
4081 ack = (void *)CMSG_DATA(cmsg);
4082 acked = *ack;
4083 }
4084
4085 if (cmsg->cmsg_level == SOL_PACKET &&
4086 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
4087 struct sock_extended_err *err =
4088 (struct sock_extended_err *)CMSG_DATA(cmsg);
4089
4090 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
4091 found_ee = 1;
4092 }
4093 }
4094
4095 if (!found_ee || !found_wifi)
4096 return;
4097
4098 memset(&event, 0, sizeof(event));
4099 event.eapol_tx_status.dst = data;
4100 event.eapol_tx_status.data = data + 14;
4101 event.eapol_tx_status.data_len = res - 14;
4102 event.eapol_tx_status.ack = acked;
4103 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
4104}
4105
4106
cc7a48d1
JB		 4107static int nl80211_init_bss(struct i802_bss *bss)
4108{
4109 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
4110 if (!bss->nl_cb)
4111 return -1;
4112
4113 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
4114 no_seq_check, NULL);
4115 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
4116 process_bss_event, bss);
4117
4118 return 0;
4119}
4120
4121
4122static void nl80211_destroy_bss(struct i802_bss *bss)
4123{
4124 nl_cb_put(bss->nl_cb);
4125 bss->nl_cb = NULL;
4126}
4127
4128
0d547d5f
JM		 4129static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
4130 void *global_priv, int hostapd,
4131 const u8 *set_addr)
9fff9fdc 4132{
9fff9fdc 4133 struct wpa_driver_nl80211_data *drv;
8401a6b0 4134 struct rfkill_config *rcfg;
a2e40bb6 4135 struct i802_bss *bss;
9fff9fdc 4136
a5c696ad
JM		 4137 if (global_priv == NULL)
4138 return NULL;
9fff9fdc
JM		 4139 drv = os_zalloc(sizeof(*drv));
4140 if (drv == NULL)
4141 return NULL;
f2ed8023 4142 drv->global = global_priv;
9fff9fdc 4143 drv->ctx = ctx;
0d547d5f
JM		 4144 drv->hostapd = !!hostapd;
4145 drv->eapol_sock = -1;
4146 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
4147 drv->if_indices = drv->default_if_indices;
834ee56f
KP		 4148
4149 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
4150 if (!drv->first_bss) {
4151 os_free(drv);
4152 return NULL;
4153 }
4154 bss = drv->first_bss;
a2e40bb6 4155 bss->drv = drv;
a5e1eb20
SE		 4156 bss->ctx = ctx;
4157
a2e40bb6 4158 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 4159 drv->monitor_ifidx = -1;
4160 drv->monitor_sock = -1;
d12dab4c 4161 drv->eapol_tx_sock = -1;
b1f625e0 4162 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 4163
ba2d0d7d 4164 if (wpa_driver_nl80211_init_nl(drv)) {
bbaf0837
JM		 4165 os_free(drv);
4166 return NULL;
4167 }
9fff9fdc 4168
cc7a48d1
JB		 4169 if (nl80211_init_bss(bss))
4170 goto failed;
4171
8401a6b0
JM		 4172 rcfg = os_zalloc(sizeof(*rcfg));
4173 if (rcfg == NULL)
4174 goto failed;
4175 rcfg->ctx = drv;
4176 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
4177 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
4178 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
4179 drv->rfkill = rfkill_init(rcfg);
52169389 4180 if (drv->rfkill == NULL) {
8401a6b0 4181 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
52169389
JM		 4182 os_free(rcfg);
4183 }
8401a6b0 4184
146fa9b3
JM		 4185 if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0)
4186 drv->start_iface_up = 1;
4187
49b4b205 4188 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1))
bbaf0837 4189 goto failed;
7524cfb1 4190
d12dab4c 4191 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 4192 if (drv->eapol_tx_sock < 0)
4193 goto failed;
4194
4195 if (drv->data_tx_status) {
4196 int enabled = 1;
4197
4198 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
4199 &enabled, sizeof(enabled)) < 0) {
4200 wpa_printf(MSG_DEBUG,
4201 "nl80211: wifi status sockopt failed\n");
4202 drv->data_tx_status = 0;
a11241fa
JB		 4203 if (!drv->use_monitor)
4204 drv->capa.flags &=
4205 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 4206 } else {
4207 eloop_register_read_sock(drv->eapol_tx_sock,
4208 wpa_driver_nl80211_handle_eapol_tx_status,
4209 drv, NULL);
4210 }
4211 }
f10bfc9a 4212
dac12351 4213 if (drv->global) {
c4bb8817 4214 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 4215 drv->in_interface_list = 1;
4216 }
c4bb8817 4217
a2e40bb6 4218 return bss;
7524cfb1 4219
bbaf0837 4220failed:
dac12351 4221 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 4222 return NULL;
4223}
4224
4225
0d547d5f
JM		 4226/**
4227 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
4228 * @ctx: context to be used when calling wpa_supplicant functions,
4229 * e.g., wpa_supplicant_event()
4230 * @ifname: interface name, e.g., wlan0
4231 * @global_priv: private driver global data from global_init()
4232 * Returns: Pointer to private data, %NULL on failure
4233 */
4234static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
4235 void *global_priv)
4236{
4237 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL);
4238}
4239
4240
a11241fa 4241static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 4242 struct nl_handle *nl_handle,
bd94971e 4243 u16 type, const u8 *match, size_t match_len)
58f6fbe0 4244{
a11241fa 4245 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0
JM		 4246 struct nl_msg *msg;
4247 int ret = -1;
880de885 4248 char buf[30];
58f6fbe0
JM		 4249
4250 msg = nlmsg_alloc();
4251 if (!msg)
4252 return -1;
4253
880de885
JM		 4254 buf[0] = '\0';
4255 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
4256 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x nl_handle=%p match=%s",
4257 type, nl_handle, buf);
36488c05 4258
9fb04070 4259 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_ACTION);
58f6fbe0 4260
f632e483 4261 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 4262 goto nla_put_failure;
4263
bd94971e 4264 NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type);
58f6fbe0
JM		 4265 NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match);
4266
d6c9aab8 4267 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0
JM		 4268 msg = NULL;
4269 if (ret) {
5582a5d1
JB		 4270 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
4271 "failed (type=%u): ret=%d (%s)",
4272 type, ret, strerror(-ret));
4273 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0
JM		 4274 match, match_len);
4275 goto nla_put_failure;
4276 }
4277 ret = 0;
4278nla_put_failure:
4279 nlmsg_free(msg);
4280 return ret;
4281}
4282
4283
a11241fa
JB		 4284static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
4285{
4286 struct wpa_driver_nl80211_data *drv = bss->drv;
4287
481234cf 4288 if (bss->nl_mgmt) {
a11241fa 4289 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 4290 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 4291 return -1;
4292 }
4293
481234cf
JM		 4294 bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
4295 if (bss->nl_mgmt == NULL)
a11241fa
JB		 4296 return -1;
4297
a11241fa
JB		 4298 return 0;
4299}
4300
4301
5f65e9f7
JB		 4302static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
4303{
4304 nl80211_register_eloop_read(&bss->nl_mgmt,
4305 wpa_driver_nl80211_event_receive,
4306 bss->nl_cb);
4307}
4308
4309
a11241fa 4310static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 4311 const u8 *match, size_t match_len)
4312{
4313 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 4314 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 4315 type, match, match_len);
bd94971e
JB		 4316}
4317
4318
a11241fa 4319static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 4320{
a11241fa 4321 struct wpa_driver_nl80211_data *drv = bss->drv;
6f06766e 4322 int ret = 0;
a11241fa
JB		 4323
4324 if (nl80211_alloc_mgmt_handle(bss))
4325 return -1;
36488c05
JM		 4326 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
4327 "handle %p", bss->nl_mgmt);
a11241fa 4328
e8d1168b
JB		 4329 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
4330 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
4331
4332 /* register for any AUTH message */
4333 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
4334 }
4335
56f5af48
JM		 4336#ifdef CONFIG_INTERWORKING
4337 /* QoS Map Configure */
4338 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
6f06766e 4339 ret = -1;
56f5af48 4340#endif /* CONFIG_INTERWORKING */
4fe9fa0d 4341#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 4342 /* GAS Initial Request */
a11241fa 4343 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
6f06766e 4344 ret = -1;
046b26a2 4345 /* GAS Initial Response */
a11241fa 4346 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
6f06766e 4347 ret = -1;
18708aad 4348 /* GAS Comeback Request */
a11241fa 4349 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
6f06766e 4350 ret = -1;
18708aad 4351 /* GAS Comeback Response */
a11241fa 4352 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
6f06766e 4353 ret = -1;
c5a64e2d
JM		 4354 /* Protected GAS Initial Request */
4355 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
4356 ret = -1;
4357 /* Protected GAS Initial Response */
4358 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
4359 ret = -1;
4360 /* Protected GAS Comeback Request */
4361 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
4362 ret = -1;
4363 /* Protected GAS Comeback Response */
4364 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
4365 ret = -1;
4fe9fa0d
JM		 4366#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
4367#ifdef CONFIG_P2P
046b26a2 4368 /* P2P Public Action */
a11241fa 4369 if (nl80211_register_action_frame(bss,
046b26a2
JM		 4370 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
4371 6) < 0)
6f06766e 4372 ret = -1;
046b26a2 4373 /* P2P Action */
a11241fa 4374 if (nl80211_register_action_frame(bss,
046b26a2
JM		 4375 (u8 *) "\x7f\x50\x6f\x9a\x09",
4376 5) < 0)
6f06766e 4377 ret = -1;
046b26a2 4378#endif /* CONFIG_P2P */
7d878ca7
JM		 4379#ifdef CONFIG_IEEE80211W
4380 /* SA Query Response */
a11241fa 4381 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
6f06766e 4382 ret = -1;
7d878ca7 4383#endif /* CONFIG_IEEE80211W */
35287637
AN		 4384#ifdef CONFIG_TDLS
4385 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
4386 /* TDLS Discovery Response */
aa543c0c 4387 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637 4388 0)
6f06766e 4389 ret = -1;
35287637
AN		 4390 }
4391#endif /* CONFIG_TDLS */
046b26a2 4392
7b90c16a 4393 /* FT Action frames */
a11241fa 4394 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
6f06766e 4395 ret = -1;
7b90c16a
JM		 4396 else
4397 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
4398 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
4399
71269b37 4400 /* WNM - BSS Transition Management Request */
a11241fa 4401 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
6f06766e 4402 ret = -1;
bd896433
JM		 4403 /* WNM-Sleep Mode Response */
4404 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
6f06766e 4405 ret = -1;
a11241fa 4406
95a3ea94
JM		 4407#ifdef CONFIG_HS20
4408 /* WNM-Notification */
4409 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
4410 return -1;
4411#endif /* CONFIG_HS20 */
4412
5f65e9f7
JB		 4413 nl80211_mgmt_handle_register_eloop(bss);
4414
6f06766e 4415 return ret;
a11241fa
JB		 4416}
4417
4418
02bb32c3
JB		 4419static int nl80211_register_spurious_class3(struct i802_bss *bss)
4420{
4421 struct wpa_driver_nl80211_data *drv = bss->drv;
4422 struct nl_msg *msg;
4423 int ret = -1;
4424
4425 msg = nlmsg_alloc();
4426 if (!msg)
4427 return -1;
4428
4429 nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME);
4430
4431 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
4432
481234cf 4433 ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 4434 msg = NULL;
4435 if (ret) {
4436 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
4437 "failed: ret=%d (%s)",
4438 ret, strerror(-ret));
4439 goto nla_put_failure;
4440 }
4441 ret = 0;
4442nla_put_failure:
4443 nlmsg_free(msg);
4444 return ret;
4445}
4446
4447
a11241fa
JB		 4448static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
4449{
4450 static const int stypes[] = {
4451 WLAN_FC_STYPE_AUTH,
4452 WLAN_FC_STYPE_ASSOC_REQ,
4453 WLAN_FC_STYPE_REASSOC_REQ,
4454 WLAN_FC_STYPE_DISASSOC,
4455 WLAN_FC_STYPE_DEAUTH,
4456 WLAN_FC_STYPE_ACTION,
4457 WLAN_FC_STYPE_PROBE_REQ,
4458/* Beacon doesn't work as mac80211 doesn't currently allow
4459 * it, but it wouldn't really be the right thing anyway as
4460 * it isn't per interface ... maybe just dump the scan
4461 * results periodically for OLBC?
4462 */
4463// WLAN_FC_STYPE_BEACON,
4464 };
4465 unsigned int i;
4466
4467 if (nl80211_alloc_mgmt_handle(bss))
71269b37 4468 return -1;
36488c05
JM		 4469 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
4470 "handle %p", bss->nl_mgmt);
71269b37 4471
e7ecab4a 4472 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
481234cf 4473 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 4474 (WLAN_FC_TYPE_MGMT << 2) |
4475 (stypes[i] << 4),
4476 NULL, 0) < 0) {
4477 goto out_err;
4478 }
4479 }
4480
02bb32c3
JB		 4481 if (nl80211_register_spurious_class3(bss))
4482 goto out_err;
4483
e32ad281
JB		 4484 if (nl80211_get_wiphy_data_ap(bss) == NULL)
4485 goto out_err;
4486
5f65e9f7 4487 nl80211_mgmt_handle_register_eloop(bss);
58f6fbe0 4488 return 0;
a11241fa
JB		 4489
4490out_err:
a11241fa
JB		 4491 nl_destroy_handles(&bss->nl_mgmt);
4492 return -1;
4493}
4494
4495
a6cc0602
JM		 4496static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
4497{
4498 if (nl80211_alloc_mgmt_handle(bss))
4499 return -1;
4500 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
4501 "handle %p (device SME)", bss->nl_mgmt);
4502
4503 if (nl80211_register_frame(bss, bss->nl_mgmt,
4504 (WLAN_FC_TYPE_MGMT << 2) |
4505 (WLAN_FC_STYPE_ACTION << 4),
4506 NULL, 0) < 0)
4507 goto out_err;
4508
5f65e9f7 4509 nl80211_mgmt_handle_register_eloop(bss);
a6cc0602
JM		 4510 return 0;
4511
4512out_err:
a6cc0602
JM		 4513 nl_destroy_handles(&bss->nl_mgmt);
4514 return -1;
4515}
4516
4517
36488c05 4518static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 4519{
481234cf 4520 if (bss->nl_mgmt == NULL)
a11241fa 4521 return;
36488c05
JM		 4522 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
4523 "(%s)", bss->nl_mgmt, reason);
5f65e9f7 4524 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
e32ad281
JB		 4525
4526 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 4527}
4528
4529
8401a6b0
JM		 4530static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
4531{
4532 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
4533}
4534
4535
eb4582f2
AS		 4536static void nl80211_del_p2pdev(struct i802_bss *bss)
4537{
4538 struct wpa_driver_nl80211_data *drv = bss->drv;
4539 struct nl_msg *msg;
4540 int ret;
4541
4542 msg = nlmsg_alloc();
4543 if (!msg)
4544 return;
4545
4546 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
4547 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
4548
4549 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4550 msg = NULL;
4551
4552 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
4553 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 4554 strerror(-ret));
eb4582f2
AS		 4555
4556nla_put_failure:
4557 nlmsg_free(msg);
4558}
4559
4560
eb4582f2 4561static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
f632e483
AS		 4562{
4563 struct wpa_driver_nl80211_data *drv = bss->drv;
4564 struct nl_msg *msg;
4565 int ret = -1;
4566
f632e483
AS		 4567 msg = nlmsg_alloc();
4568 if (!msg)
4569 return -1;
4570
eb4582f2
AS		 4571 if (start)
4572 nl80211_cmd(drv, msg, 0, NL80211_CMD_START_P2P_DEVICE);
4573 else
4574 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_P2P_DEVICE);
4575
f632e483
AS		 4576 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
4577
4578 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4579 msg = NULL;
4580
eb4582f2
AS		 4581 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
4582 start ? "Start" : "Stop",
4583 bss->ifname, (long long unsigned int) bss->wdev_id,
6cb4f11d 4584 strerror(-ret));
eb4582f2 4585
f632e483
AS		 4586nla_put_failure:
4587 nlmsg_free(msg);
4588 return ret;
4589}
f632e483
AS		 4590
4591
91724d6f
AS		 4592static int i802_set_iface_flags(struct i802_bss *bss, int up)
4593{
4594 enum nl80211_iftype nlmode;
4595
4596 nlmode = nl80211_get_ifmode(bss);
4597 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
4598 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
4599 bss->ifname, up);
4600 }
4601
4602 /* P2P Device has start/stop which is equivalent */
4603 return nl80211_set_p2pdev(bss, up);
4604}
4605
4606
362f781e 4607static int
0d547d5f 4608wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
49b4b205 4609 const u8 *set_addr, int first)
7524cfb1 4610{
834ee56f 4611 struct i802_bss *bss = drv->first_bss;
8401a6b0 4612 int send_rfkill_event = 0;
0d547d5f 4613 enum nl80211_iftype nlmode;
a2e40bb6
FF		 4614
4615 drv->ifindex = if_nametoindex(bss->ifname);
f632e483
AS		 4616 bss->ifindex = drv->ifindex;
4617 bss->wdev_id = drv->global->if_add_wdevid;
4618 bss->wdev_id_set = drv->global->if_add_wdevid_set;
4619
60b13c20
IP		 4620 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
4621 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
f632e483
AS		 4622 drv->global->if_add_wdevid_set = 0;
4623
4624 if (wpa_driver_nl80211_capa(drv))
4625 return -1;
a87c9d96 4626
5fbcb45d
AS		 4627 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
4628 bss->ifname, drv->phyname);
4629
0d547d5f
JM		 4630 if (set_addr &&
4631 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
4632 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
4633 set_addr)))
4634 return -1;
4635
49b4b205
JM		 4636 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
4637 drv->start_mode_ap = 1;
4638
0d547d5f
JM		 4639 if (drv->hostapd)
4640 nlmode = NL80211_IFTYPE_AP;
4641 else if (bss->if_dynamic)
8e12685c 4642 nlmode = nl80211_get_ifmode(bss);
0d547d5f
JM		 4643 else
4644 nlmode = NL80211_IFTYPE_STATION;
f632e483 4645
8e12685c 4646 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
0d547d5f 4647 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
8e12685c 4648 return -1;
a87c9d96
JM		 4649 }
4650
8c06db70 4651 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
597b94f5 4652 nl80211_get_macaddr(bss);
f632e483 4653
8c06db70
MB		 4654 if (!rfkill_is_blocked(drv->rfkill)) {
4655 int ret = i802_set_iface_flags(bss, 1);
4656 if (ret) {
8401a6b0
JM		 4657 wpa_printf(MSG_ERROR, "nl80211: Could not set "
4658 "interface '%s' UP", bss->ifname);
8c06db70 4659 return ret;
8401a6b0 4660 }
8c06db70
MB		 4661 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
4662 return ret;
4663 } else {
4664 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
4665 "interface '%s' due to rfkill", bss->ifname);
4666 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
4667 return 0;
4668 drv->if_disabled = 1;
4669 send_rfkill_event = 1;
362f781e 4670 }
3f5285e8 4671
0d547d5f
JM		 4672 if (!drv->hostapd)
4673 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
4674 1, IF_OPER_DORMANT);
362f781e 4675
c81eff1a 4676 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
341eebee 4677 bss->addr))
2136f480 4678 return -1;
f2ed8023 4679
8401a6b0
JM		 4680 if (send_rfkill_event) {
4681 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
4682 drv, drv->ctx);
4683 }
4684
362f781e 4685 return 0;
3f5285e8
JM		 4686}
4687
4688
8a27af5c
JM		 4689static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
4690{
4691 struct nl_msg *msg;
4692
4693 msg = nlmsg_alloc();
4694 if (!msg)
4695 return -ENOMEM;
4696
08e55ebb
JM		 4697 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
4698 drv->ifindex);
9fb04070 4699 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_BEACON);
8a27af5c
JM		 4700 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4701
4702 return send_and_recv_msgs(drv, msg, NULL, NULL);
4703 nla_put_failure:
5883168a 4704 nlmsg_free(msg);
8a27af5c
JM		 4705 return -ENOBUFS;
4706}
8a27af5c
JM		 4707
4708
3f5285e8 4709/**
7e5ba1b9 4710 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 4711 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 4712 *
4713 * Shut down driver interface and processing of driver events. Free
4714 * private data buffer if one was allocated in wpa_driver_nl80211_init().
4715 */
9ebce9c5 4716static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 4717{
a2e40bb6 4718 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 4719
873d0fcf 4720 bss->in_deinit = 1;
32ab4855
JB		 4721 if (drv->data_tx_status)
4722 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 4723 if (drv->eapol_tx_sock >= 0)
4724 close(drv->eapol_tx_sock);
f10bfc9a 4725
481234cf 4726 if (bss->nl_preq)
5582a5d1 4727 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 4728 if (bss->added_if_into_bridge) {
c81eff1a
BG		 4729 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
4730 bss->ifname) < 0)
94627f6c
JM		 4731 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4732 "interface %s from bridge %s: %s",
e17a2477 4733 bss->ifname, bss->brname, strerror(errno));
94627f6c 4734 }
e17a2477 4735 if (bss->added_bridge) {
c81eff1a 4736 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 4737 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
4738 "bridge %s: %s",
e17a2477 4739 bss->brname, strerror(errno));
94627f6c
JM		 4740 }
4741
460456f8 4742 nl80211_remove_monitor_interface(drv);
8a27af5c 4743
b1f625e0 4744 if (is_ap_interface(drv->nlmode))
8a27af5c 4745 wpa_driver_nl80211_del_beacon(drv);
0915d02c 4746
bbaf0837
JM		 4747 if (drv->eapol_sock >= 0) {
4748 eloop_unregister_read_sock(drv->eapol_sock);
4749 close(drv->eapol_sock);
4750 }
4751
4752 if (drv->if_indices != drv->default_if_indices)
4753 os_free(drv->if_indices);
3f5285e8 4754
b3af99d2 4755 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 4756 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
4757
36d84860
BG		 4758 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
4759 IF_OPER_UP);
8401a6b0 4760 rfkill_deinit(drv->rfkill);
3f5285e8 4761
bbaf0837
JM		 4762 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
4763
146fa9b3
JM		 4764 if (!drv->start_iface_up)
4765 (void) i802_set_iface_flags(bss, 0);
8e12685c 4766 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
49b4b205
JM		 4767 if (!drv->hostapd || !drv->start_mode_ap)
4768 wpa_driver_nl80211_set_mode(bss,
4769 NL80211_IFTYPE_STATION);
b378c41f 4770 nl80211_mgmt_unsubscribe(bss, "deinit");
8e12685c
AS		 4771 } else {
4772 nl80211_mgmt_unsubscribe(bss, "deinit");
eb4582f2 4773 nl80211_del_p2pdev(bss);
8e12685c 4774 }
1afc986d 4775 nl_cb_put(drv->nl_cb);
3f5285e8 4776
834ee56f 4777 nl80211_destroy_bss(drv->first_bss);
cc7a48d1 4778
3812464c
JM		 4779 os_free(drv->filter_ssids);
4780
536fd62d
JM		 4781 os_free(drv->auth_ie);
4782
dac12351 4783 if (drv->in_interface_list)
f2ed8023
JM		 4784 dl_list_del(&drv->list);
4785
8cd6b7bc
JB		 4786 os_free(drv->extended_capa);
4787 os_free(drv->extended_capa_mask);
834ee56f 4788 os_free(drv->first_bss);
3f5285e8
JM		 4789 os_free(drv);
4790}
4791
4792
4793/**
4794 * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion
ad1e68e6 4795 * @eloop_ctx: Driver private data
3f5285e8
JM		 4796 * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init()
4797 *
4798 * This function can be used as registered timeout when starting a scan to
4799 * generate a scan completed event if the driver does not report this.
4800 */
4801static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx)
4802{
ad1e68e6 4803 struct wpa_driver_nl80211_data *drv = eloop_ctx;
b1f625e0 4804 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) {
834ee56f 4805 wpa_driver_nl80211_set_mode(drv->first_bss,
b1f625e0
EP		 4806 drv->ap_scan_as_station);
4807 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6 4808 }
3f5285e8
JM		 4809 wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
4810 wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
4811}
4812
4813
95ac3bf4
JM		 4814static struct nl_msg *
4815nl80211_scan_common(struct wpa_driver_nl80211_data *drv, u8 cmd,
d3aaef80 4816 struct wpa_driver_scan_params *params, u64 *wdev_id)
3f5285e8 4817{
95ac3bf4 4818 struct nl_msg *msg;
6a1063e0 4819 size_t i;
3f5285e8 4820
0e75527f 4821 msg = nlmsg_alloc();
f0494d0f 4822 if (!msg)
95ac3bf4 4823 return NULL;
3812464c 4824
95ac3bf4 4825 nl80211_cmd(drv, msg, 0, cmd);
0e75527f 4826
d3aaef80
DS		 4827 if (!wdev_id)
4828 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4829 else
4830 NLA_PUT_U64(msg, NL80211_ATTR_WDEV, *wdev_id);
3f5285e8 4831
f0494d0f 4832 if (params->num_ssids) {
8970bae8
JB		 4833 struct nlattr *ssids;
4834
4835 ssids = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
f0494d0f 4836 if (ssids == NULL)
95ac3bf4 4837 goto fail;
f0494d0f
JM		 4838 for (i = 0; i < params->num_ssids; i++) {
4839 wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID",
4840 params->ssids[i].ssid,
4841 params->ssids[i].ssid_len);
8970bae8
JB		 4842 if (nla_put(msg, i + 1, params->ssids[i].ssid_len,
4843 params->ssids[i].ssid) < 0)
95ac3bf4 4844 goto fail;
f0494d0f 4845 }
8970bae8 4846 nla_nest_end(msg, ssids);
3f5285e8
JM		 4847 }
4848
d173df52 4849 if (params->extra_ies) {
3b1c7bfd
JM		 4850 wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs",
4851 params->extra_ies, params->extra_ies_len);
95ac3bf4
JM		 4852 if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len,
4853 params->extra_ies) < 0)
4854 goto fail;
d173df52
JM		 4855 }
4856
d3a98225 4857 if (params->freqs) {
8970bae8
JB		 4858 struct nlattr *freqs;
4859 freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
f0494d0f 4860 if (freqs == NULL)
95ac3bf4 4861 goto fail;
9fad706c
JM		 4862 for (i = 0; params->freqs[i]; i++) {
4863 wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u "
4864 "MHz", params->freqs[i]);
8970bae8 4865 if (nla_put_u32(msg, i + 1, params->freqs[i]) < 0)
95ac3bf4 4866 goto fail;
9fad706c 4867 }
8970bae8 4868 nla_nest_end(msg, freqs);
d3a98225
JM		 4869 }
4870
95ac3bf4
JM		 4871 os_free(drv->filter_ssids);
4872 drv->filter_ssids = params->filter_ssids;
4873 params->filter_ssids = NULL;
4874 drv->num_filter_ssids = params->num_filter_ssids;
4875
949938aa
JM		 4876 if (params->only_new_results) {
4877 wpa_printf(MSG_DEBUG, "nl80211: Add NL80211_SCAN_FLAG_FLUSH");
4878 NLA_PUT_U32(msg, NL80211_ATTR_SCAN_FLAGS,
4879 NL80211_SCAN_FLAG_FLUSH);
4880 }
4881
95ac3bf4
JM		 4882 return msg;
4883
4884fail:
d3aaef80 4885nla_put_failure:
95ac3bf4
JM		 4886 nlmsg_free(msg);
4887 return NULL;
4888}
4889
4890
4891/**
4892 * wpa_driver_nl80211_scan - Request the driver to initiate scan
9ebce9c5 4893 * @bss: Pointer to private driver data from wpa_driver_nl80211_init()
95ac3bf4
JM		 4894 * @params: Scan parameters
4895 * Returns: 0 on success, -1 on failure
4896 */
9ebce9c5 4897static int wpa_driver_nl80211_scan(struct i802_bss *bss,
95ac3bf4
JM		 4898 struct wpa_driver_scan_params *params)
4899{
95ac3bf4
JM		 4900 struct wpa_driver_nl80211_data *drv = bss->drv;
4901 int ret = -1, timeout;
8970bae8 4902 struct nl_msg *msg = NULL;
95ac3bf4 4903
565110cd 4904 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: scan request");
95ac3bf4
JM		 4905 drv->scan_for_auth = 0;
4906
d3aaef80
DS		 4907 msg = nl80211_scan_common(drv, NL80211_CMD_TRIGGER_SCAN, params,
4908 bss->wdev_id_set ? &bss->wdev_id : NULL);
95ac3bf4
JM		 4909 if (!msg)
4910 return -1;
4911
47185fc7 4912 if (params->p2p_probe) {
8970bae8
JB		 4913 struct nlattr *rates;
4914
8a6a1e1b
JM		 4915 wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates");
4916
8970bae8 4917 rates = nla_nest_start(msg, NL80211_ATTR_SCAN_SUPP_RATES);
f0494d0f
JM		 4918 if (rates == NULL)
4919 goto nla_put_failure;
4920
47185fc7
RM		 4921 /*
4922 * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates
4923 * by masking out everything else apart from the OFDM rates 6,
4924 * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz
4925 * rates are left enabled.
4926 */
8970bae8 4927 NLA_PUT(msg, NL80211_BAND_2GHZ, 8,
47185fc7 4928 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
8970bae8 4929 nla_nest_end(msg, rates);
970fa12e
RM		 4930
4931 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
47185fc7
RM		 4932 }
4933
0e75527f
JM		 4934 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4935 msg = NULL;
4936 if (ret) {
4937 wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d "
4938 "(%s)", ret, strerror(-ret));
04eff7d5 4939 if (drv->hostapd && is_ap_interface(drv->nlmode)) {
72e7fb3f
YP		 4940 enum nl80211_iftype old_mode = drv->nlmode;
4941
ad1e68e6
JM		 4942 /*
4943 * mac80211 does not allow scan requests in AP mode, so
4944 * try to do this in station mode.
4945 */
b1f625e0
EP		 4946 if (wpa_driver_nl80211_set_mode(
4947 bss, NL80211_IFTYPE_STATION))
ad1e68e6
JM		 4948 goto nla_put_failure;
4949
085b29f1 4950 if (wpa_driver_nl80211_scan(bss, params)) {
b1f625e0 4951 wpa_driver_nl80211_set_mode(bss, drv->nlmode);
ad1e68e6
JM		 4952 goto nla_put_failure;
4953 }
4954
4955 /* Restore AP mode when processing scan results */
72e7fb3f 4956 drv->ap_scan_as_station = old_mode;
ad1e68e6
JM		 4957 ret = 0;
4958 } else
4959 goto nla_put_failure;
3f5285e8
JM		 4960 }
4961
a771c07d 4962 drv->scan_state = SCAN_REQUESTED;
3f5285e8
JM		 4963 /* Not all drivers generate "scan completed" wireless event, so try to
4964 * read results after a timeout. */
0e75527f 4965 timeout = 10;
3f5285e8
JM		 4966 if (drv->scan_complete_events) {
4967 /*
d173df52
JM		 4968 * The driver seems to deliver events to notify when scan is
4969 * complete, so use longer timeout to avoid race conditions
4970 * with scanning and following association request.
3f5285e8
JM		 4971 */
4972 timeout = 30;
4973 }
4974 wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d "
4975 "seconds", ret, timeout);
4976 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
0e75527f
JM		 4977 eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout,
4978 drv, drv->ctx);
3f5285e8 4979
0e75527f 4980nla_put_failure:
0e75527f 4981 nlmsg_free(msg);
3f5285e8
JM		 4982 return ret;
4983}
4984
4985
d21c63b9
LC		 4986/**
4987 * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan
4988 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
4989 * @params: Scan parameters
4990 * @interval: Interval between scan cycles in milliseconds
4991 * Returns: 0 on success, -1 on failure or if not supported
4992 */
4993static int wpa_driver_nl80211_sched_scan(void *priv,
4994 struct wpa_driver_scan_params *params,
4995 u32 interval)
4996{
4997 struct i802_bss *bss = priv;
4998 struct wpa_driver_nl80211_data *drv = bss->drv;
6afbc3d6 4999 int ret = -1;
95ac3bf4 5000 struct nl_msg *msg;
d21c63b9
LC		 5001 size_t i;
5002
565110cd
JM		 5003 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: sched_scan request");
5004
216eede8
DS		 5005#ifdef ANDROID
5006 if (!drv->capa.sched_scan_supported)
5007 return android_pno_start(bss, params);
5008#endif /* ANDROID */
5009
d3aaef80
DS		 5010 msg = nl80211_scan_common(drv, NL80211_CMD_START_SCHED_SCAN, params,
5011 bss->wdev_id_set ? &bss->wdev_id : NULL);
6afbc3d6
JM		 5012 if (!msg)
5013 goto nla_put_failure;
d21c63b9 5014
d21c63b9
LC		 5015 NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval);
5016
bf8d6d24
TP		 5017 if ((drv->num_filter_ssids &&
5018 (int) drv->num_filter_ssids <= drv->capa.max_match_sets) ||
5019 params->filter_rssi) {
8970bae8
JB		 5020 struct nlattr *match_sets;
5021 match_sets = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH);
6afbc3d6
JM		 5022 if (match_sets == NULL)
5023 goto nla_put_failure;
bd525934
LC		 5024
5025 for (i = 0; i < drv->num_filter_ssids; i++) {
8970bae8 5026 struct nlattr *match_set_ssid;
bd525934
LC		 5027 wpa_hexdump_ascii(MSG_MSGDUMP,
5028 "nl80211: Sched scan filter SSID",
5029 drv->filter_ssids[i].ssid,
5030 drv->filter_ssids[i].ssid_len);
5031
8970bae8 5032 match_set_ssid = nla_nest_start(msg, i + 1);
6afbc3d6
JM		 5033 if (match_set_ssid == NULL)
5034 goto nla_put_failure;
8970bae8 5035 NLA_PUT(msg, NL80211_ATTR_SCHED_SCAN_MATCH_SSID,
bd525934
LC		 5036 drv->filter_ssids[i].ssid_len,
5037 drv->filter_ssids[i].ssid);
ff5e1d14
JB		 5038 if (params->filter_rssi)
5039 NLA_PUT_U32(msg,
5040 NL80211_SCHED_SCAN_MATCH_ATTR_RSSI,
5041 params->filter_rssi);
bd525934 5042
adc96dc2 5043 nla_nest_end(msg, match_set_ssid);
bd525934
LC		 5044 }
5045
ff5e1d14
JB		 5046 /*
5047 * Due to backward compatibility code, newer kernels treat this
5048 * matchset (with only an RSSI filter) as the default for all
5049 * other matchsets, unless it's the only one, in which case the
5050 * matchset will actually allow all SSIDs above the RSSI.
5051 */
bf8d6d24 5052 if (params->filter_rssi) {
8970bae8
JB		 5053 struct nlattr *match_set_rssi;
5054 match_set_rssi = nla_nest_start(msg, 0);
6afbc3d6
JM		 5055 if (match_set_rssi == NULL)
5056 goto nla_put_failure;
8970bae8 5057 NLA_PUT_U32(msg, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI,
bf8d6d24
TP		 5058 params->filter_rssi);
5059 wpa_printf(MSG_MSGDUMP,
5060 "nl80211: Sched scan RSSI filter %d dBm",
5061 params->filter_rssi);
8970bae8 5062 nla_nest_end(msg, match_set_rssi);
bf8d6d24
TP		 5063 }
5064
8970bae8 5065 nla_nest_end(msg, match_sets);
bd525934
LC		 5066 }
5067
d21c63b9
LC		 5068 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5069
5070 /* TODO: if we get an error here, we should fall back to normal scan */
5071
5072 msg = NULL;
5073 if (ret) {
5074 wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: "
5075 "ret=%d (%s)", ret, strerror(-ret));
5076 goto nla_put_failure;
5077 }
5078
5079 wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d) - "
5080 "scan interval %d msec", ret, interval);
5081
5082nla_put_failure:
d21c63b9 5083 nlmsg_free(msg);
d21c63b9
LC		 5084 return ret;
5085}
5086
5087
5088/**
5089 * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan
5090 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
5091 * Returns: 0 on success, -1 on failure or if not supported
5092 */
5093static int wpa_driver_nl80211_stop_sched_scan(void *priv)
5094{
5095 struct i802_bss *bss = priv;
5096 struct wpa_driver_nl80211_data *drv = bss->drv;
5097 int ret = 0;
5098 struct nl_msg *msg;
5099
216eede8
DS		 5100#ifdef ANDROID
5101 if (!drv->capa.sched_scan_supported)
5102 return android_pno_stop(bss);
5103#endif /* ANDROID */
5104
d21c63b9
LC		 5105 msg = nlmsg_alloc();
5106 if (!msg)
5107 return -1;
5108
9fb04070 5109 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_SCHED_SCAN);
d21c63b9
LC		 5110
5111 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5112
5113 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5114 msg = NULL;
5115 if (ret) {
5116 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop failed: "
5117 "ret=%d (%s)", ret, strerror(-ret));
5118 goto nla_put_failure;
5119 }
5120
5121 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop sent (ret=%d)", ret);
5122
5123nla_put_failure:
5124 nlmsg_free(msg);
5125 return ret;
5126}
5127
5128
3812464c
JM		 5129static const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie)
5130{
5131 const u8 *end, *pos;
5132
5133 if (ies == NULL)
5134 return NULL;
5135
5136 pos = ies;
5137 end = ies + ies_len;
5138
5139 while (pos + 1 < end) {
5140 if (pos + 2 + pos[1] > end)
5141 break;
5142 if (pos[0] == ie)
5143 return pos;
5144 pos += 2 + pos[1];
5145 }
5146
5147 return NULL;
5148}
5149
5150
5151static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv,
5152 const u8 *ie, size_t ie_len)
5153{
5154 const u8 *ssid;
5155 size_t i;
5156
5157 if (drv->filter_ssids == NULL)
5158 return 0;
5159
5160 ssid = nl80211_get_ie(ie, ie_len, WLAN_EID_SSID);
5161 if (ssid == NULL)
5162 return 1;
5163
5164 for (i = 0; i < drv->num_filter_ssids; i++) {
5165 if (ssid[1] == drv->filter_ssids[i].ssid_len &&
5166 os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) ==
5167 0)
5168 return 0;
5169 }
5170
5171 return 1;
5172}
5173
5174
b3db1e1c 5175static int bss_info_handler(struct nl_msg *msg, void *arg)
3f5285e8 5176{
b3db1e1c
JM		 5177 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5178 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5179 struct nlattr *bss[NL80211_BSS_MAX + 1];
5180 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
5181 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
5182 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
5183 [NL80211_BSS_TSF] = { .type = NLA_U64 },
5184 [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 },
5185 [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 },
5186 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
5187 [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 },
5188 [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 },
e6b8efeb 5189 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
b3ad11bb 5190 [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 },
8c090654 5191 [NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC },
b3db1e1c 5192 };
3812464c
JM		 5193 struct nl80211_bss_info_arg *_arg = arg;
5194 struct wpa_scan_results *res = _arg->res;
3f5285e8
JM		 5195 struct wpa_scan_res **tmp;
5196 struct wpa_scan_res *r;
8c090654
JM		 5197 const u8 *ie, *beacon_ie;
5198 size_t ie_len, beacon_ie_len;
5199 u8 *pos;
46957a9b 5200 size_t i;
3f5285e8 5201
b3db1e1c
JM		 5202 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5203 genlmsg_attrlen(gnlh, 0), NULL);
5204 if (!tb[NL80211_ATTR_BSS])
5205 return NL_SKIP;
5206 if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
5207 bss_policy))
5208 return NL_SKIP;
f5a8d422
JM		 5209 if (bss[NL80211_BSS_STATUS]) {
5210 enum nl80211_bss_status status;
5211 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
5212 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
5213 bss[NL80211_BSS_FREQUENCY]) {
5214 _arg->assoc_freq =
5215 nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
5216 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
5217 _arg->assoc_freq);
5218 }
20f5a4c2
JM		 5219 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
5220 bss[NL80211_BSS_BSSID]) {
5221 os_memcpy(_arg->assoc_bssid,
5222 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
5223 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
5224 MACSTR, MAC2STR(_arg->assoc_bssid));
5225 }
f5a8d422
JM		 5226 }
5227 if (!res)
5228 return NL_SKIP;
b3db1e1c
JM		 5229 if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
5230 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
5231 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
5232 } else {
5233 ie = NULL;
5234 ie_len = 0;
5235 }
8c090654
JM		 5236 if (bss[NL80211_BSS_BEACON_IES]) {
5237 beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]);
5238 beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]);
5239 } else {
5240 beacon_ie = NULL;
5241 beacon_ie_len = 0;
5242 }
3f5285e8 5243
3812464c
JM		 5244 if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie,
5245 ie ? ie_len : beacon_ie_len))
5246 return NL_SKIP;
5247
8c090654 5248 r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len);
3f5285e8 5249 if (r == NULL)
b3db1e1c
JM		 5250 return NL_SKIP;
5251 if (bss[NL80211_BSS_BSSID])
5252 os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]),
5253 ETH_ALEN);
5254 if (bss[NL80211_BSS_FREQUENCY])
5255 r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
5256 if (bss[NL80211_BSS_BEACON_INTERVAL])
5257 r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]);
5258 if (bss[NL80211_BSS_CAPABILITY])
5259 r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]);
7c2849d2
JM		 5260 r->flags |= WPA_SCAN_NOISE_INVALID;
5261 if (bss[NL80211_BSS_SIGNAL_MBM]) {
b3db1e1c 5262 r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]);
7c2849d2
JM		 5263 r->level /= 100; /* mBm to dBm */
5264 r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID;
5265 } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) {
5266 r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
98ac6763 5267 r->flags |= WPA_SCAN_QUAL_INVALID;
7c2849d2
JM		 5268 } else
5269 r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID;
b3db1e1c
JM		 5270 if (bss[NL80211_BSS_TSF])
5271 r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]);
b3ad11bb
JM		 5272 if (bss[NL80211_BSS_SEEN_MS_AGO])
5273 r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]);
b3db1e1c 5274 r->ie_len = ie_len;
8c090654
JM		 5275 pos = (u8 *) (r + 1);
5276 if (ie) {
5277 os_memcpy(pos, ie, ie_len);
5278 pos += ie_len;
5279 }
5280 r->beacon_ie_len = beacon_ie_len;
5281 if (beacon_ie)
5282 os_memcpy(pos, beacon_ie, beacon_ie_len);
3f5285e8 5283
e6b8efeb
JM		 5284 if (bss[NL80211_BSS_STATUS]) {
5285 enum nl80211_bss_status status;
5286 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
5287 switch (status) {
5288 case NL80211_BSS_STATUS_AUTHENTICATED:
5289 r->flags |= WPA_SCAN_AUTHENTICATED;
5290 break;
5291 case NL80211_BSS_STATUS_ASSOCIATED:
5292 r->flags |= WPA_SCAN_ASSOCIATED;
5293 break;
5294 default:
5295 break;
5296 }
5297 }
5298
46957a9b
JM		 5299 /*
5300 * cfg80211 maintains separate BSS table entries for APs if the same
5301 * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does
5302 * not use frequency as a separate key in the BSS table, so filter out
5303 * duplicated entries. Prefer associated BSS entry in such a case in
4ea6a471
JM		 5304 * order to get the correct frequency into the BSS table. Similarly,
5305 * prefer newer entries over older.
46957a9b
JM		 5306 */
5307 for (i = 0; i < res->num; i++) {
5308 const u8 *s1, *s2;
5309 if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0)
5310 continue;
5311
5312 s1 = nl80211_get_ie((u8 *) (res->res[i] + 1),
5313 res->res[i]->ie_len, WLAN_EID_SSID);
5314 s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID);
5315 if (s1 == NULL || s2 == NULL || s1[1] != s2[1] ||
5316 os_memcmp(s1, s2, 2 + s1[1]) != 0)
5317 continue;
5318
5319 /* Same BSSID,SSID was already included in scan results */
5320 wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result "
5321 "for " MACSTR, MAC2STR(r->bssid));
5322
4ea6a471
JM		 5323 if (((r->flags & WPA_SCAN_ASSOCIATED) &&
5324 !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) ||
5325 r->age < res->res[i]->age) {
46957a9b
JM		 5326 os_free(res->res[i]);
5327 res->res[i] = r;
5328 } else
5329 os_free(r);
5330 return NL_SKIP;
5331 }
5332
067ffa26
JM		 5333 tmp = os_realloc_array(res->res, res->num + 1,
5334 sizeof(struct wpa_scan_res *));
3f5285e8
JM		 5335 if (tmp == NULL) {
5336 os_free(r);
b3db1e1c 5337 return NL_SKIP;
3f5285e8
JM		 5338 }
5339 tmp[res->num++] = r;
5340 res->res = tmp;
b3db1e1c
JM		 5341
5342 return NL_SKIP;
3f5285e8 5343}
b3db1e1c 5344
3f5285e8 5345
d72aad94
JM		 5346static void clear_state_mismatch(struct wpa_driver_nl80211_data *drv,
5347 const u8 *addr)
5348{
5349 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
5350 wpa_printf(MSG_DEBUG, "nl80211: Clear possible state "
582507be 5351 "mismatch (" MACSTR ")", MAC2STR(addr));
d72aad94
JM		 5352 wpa_driver_nl80211_mlme(drv, addr,
5353 NL80211_CMD_DEAUTHENTICATE,
77339912 5354 WLAN_REASON_PREV_AUTH_NOT_VALID, 1);
d72aad94
JM		 5355 }
5356}
5357
5358
e6b8efeb
JM		 5359static void wpa_driver_nl80211_check_bss_status(
5360 struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res)
5361{
5362 size_t i;
5363
5364 for (i = 0; i < res->num; i++) {
5365 struct wpa_scan_res *r = res->res[i];
5366 if (r->flags & WPA_SCAN_AUTHENTICATED) {
5367 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
5368 "indicates BSS status with " MACSTR
5369 " as authenticated",
5370 MAC2STR(r->bssid));
b1f625e0 5371 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 5372 os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 &&
5373 os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) !=
5374 0) {
5375 wpa_printf(MSG_DEBUG, "nl80211: Unknown BSSID"
5376 " in local state (auth=" MACSTR
5377 " assoc=" MACSTR ")",
5378 MAC2STR(drv->auth_bssid),
5379 MAC2STR(drv->bssid));
582507be 5380 clear_state_mismatch(drv, r->bssid);
e6b8efeb
JM		 5381 }
5382 }
5383
5384 if (r->flags & WPA_SCAN_ASSOCIATED) {
5385 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
5386 "indicate BSS status with " MACSTR
5387 " as associated",
5388 MAC2STR(r->bssid));
b1f625e0 5389 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 5390 !drv->associated) {
5391 wpa_printf(MSG_DEBUG, "nl80211: Local state "
5392 "(not associated) does not match "
5393 "with BSS state");
d72aad94 5394 clear_state_mismatch(drv, r->bssid);
b1f625e0 5395 } else if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 5396 os_memcmp(drv->bssid, r->bssid, ETH_ALEN) !=
5397 0) {
5398 wpa_printf(MSG_DEBUG, "nl80211: Local state "
5399 "(associated with " MACSTR ") does "
5400 "not match with BSS state",
d72aad94
JM		 5401 MAC2STR(drv->bssid));
5402 clear_state_mismatch(drv, r->bssid);
5403 clear_state_mismatch(drv, drv->bssid);
e6b8efeb
JM		 5404 }
5405 }
5406 }
5407}
5408
5409
7e5ba1b9 5410static struct wpa_scan_results *
8856462d 5411nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv)
3f5285e8 5412{
b3db1e1c 5413 struct nl_msg *msg;
3f5285e8 5414 struct wpa_scan_results *res;
b3db1e1c 5415 int ret;
3812464c 5416 struct nl80211_bss_info_arg arg;
3f5285e8
JM		 5417
5418 res = os_zalloc(sizeof(*res));
b3db1e1c 5419 if (res == NULL)
8e2c104f 5420 return NULL;
b3db1e1c
JM		 5421 msg = nlmsg_alloc();
5422 if (!msg)
5423 goto nla_put_failure;
3f5285e8 5424
9fb04070 5425 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
834ee56f 5426 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
fdc554b8 5427 goto nla_put_failure;
3f5285e8 5428
3812464c
JM		 5429 arg.drv = drv;
5430 arg.res = res;
5431 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
b3db1e1c
JM		 5432 msg = NULL;
5433 if (ret == 0) {
577db0ae
GM		 5434 wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu "
5435 "BSSes)", (unsigned long) res->num);
5436 nl80211_get_noise_for_scan_results(drv, res);
b3db1e1c 5437 return res;
3f5285e8 5438 }
b3db1e1c
JM		 5439 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
5440 "(%s)", ret, strerror(-ret));
5441nla_put_failure:
5442 nlmsg_free(msg);
5443 wpa_scan_results_free(res);
5444 return NULL;
3f5285e8
JM		 5445}
5446
5447
8856462d
JM		 5448/**
5449 * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results
5450 * @priv: Pointer to private wext data from wpa_driver_nl80211_init()
5451 * Returns: Scan results on success, -1 on failure
5452 */
5453static struct wpa_scan_results *
5454wpa_driver_nl80211_get_scan_results(void *priv)
5455{
a2e40bb6
FF		 5456 struct i802_bss *bss = priv;
5457 struct wpa_driver_nl80211_data *drv = bss->drv;
8856462d
JM		 5458 struct wpa_scan_results *res;
5459
5460 res = nl80211_get_scan_results(drv);
5461 if (res)
5462 wpa_driver_nl80211_check_bss_status(drv, res);
5463 return res;
5464}
5465
5466
5467static void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv)
5468{
5469 struct wpa_scan_results *res;
5470 size_t i;
5471
5472 res = nl80211_get_scan_results(drv);
5473 if (res == NULL) {
5474 wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results");
5475 return;
5476 }
5477
5478 wpa_printf(MSG_DEBUG, "nl80211: Scan result dump");
5479 for (i = 0; i < res->num; i++) {
5480 struct wpa_scan_res *r = res->res[i];
5481 wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s%s",
5482 (int) i, (int) res->num, MAC2STR(r->bssid),
5483 r->flags & WPA_SCAN_AUTHENTICATED ? " [auth]" : "",
5484 r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : "");
5485 }
5486
5487 wpa_scan_results_free(res);
5488}
5489
5490
de4ed4a8
JM		 5491static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
5492{
5493 switch (alg) {
5494 case WPA_ALG_WEP:
5495 if (key_len == 5)
5496 return WLAN_CIPHER_SUITE_WEP40;
5497 return WLAN_CIPHER_SUITE_WEP104;
5498 case WPA_ALG_TKIP:
5499 return WLAN_CIPHER_SUITE_TKIP;
5500 case WPA_ALG_CCMP:
5501 return WLAN_CIPHER_SUITE_CCMP;
5502 case WPA_ALG_GCMP:
5503 return WLAN_CIPHER_SUITE_GCMP;
5504 case WPA_ALG_CCMP_256:
5505 return WLAN_CIPHER_SUITE_CCMP_256;
5506 case WPA_ALG_GCMP_256:
5507 return WLAN_CIPHER_SUITE_GCMP_256;
5508 case WPA_ALG_IGTK:
5509 return WLAN_CIPHER_SUITE_AES_CMAC;
5510 case WPA_ALG_BIP_GMAC_128:
5511 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
5512 case WPA_ALG_BIP_GMAC_256:
5513 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
5514 case WPA_ALG_BIP_CMAC_256:
5515 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
5516 case WPA_ALG_SMS4:
5517 return WLAN_CIPHER_SUITE_SMS4;
5518 case WPA_ALG_KRK:
5519 return WLAN_CIPHER_SUITE_KRK;
5520 case WPA_ALG_NONE:
5521 case WPA_ALG_PMK:
5522 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
5523 alg);
5524 return 0;
5525 }
5526
5527 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
5528 alg);
5529 return 0;
5530}
5531
5532
5533static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
5534{
5535 switch (cipher) {
5536 case WPA_CIPHER_CCMP_256:
5537 return WLAN_CIPHER_SUITE_CCMP_256;
5538 case WPA_CIPHER_GCMP_256:
5539 return WLAN_CIPHER_SUITE_GCMP_256;
5540 case WPA_CIPHER_CCMP:
5541 return WLAN_CIPHER_SUITE_CCMP;
5542 case WPA_CIPHER_GCMP:
5543 return WLAN_CIPHER_SUITE_GCMP;
5544 case WPA_CIPHER_TKIP:
5545 return WLAN_CIPHER_SUITE_TKIP;
5546 case WPA_CIPHER_WEP104:
5547 return WLAN_CIPHER_SUITE_WEP104;
5548 case WPA_CIPHER_WEP40:
5549 return WLAN_CIPHER_SUITE_WEP40;
ae6f9272
JM		 5550 case WPA_CIPHER_GTK_NOT_USED:
5551 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
de4ed4a8
JM		 5552 }
5553
5554 return 0;
5555}
5556
5557
5558static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
5559 int max_suites)
5560{
5561 int num_suites = 0;
5562
5563 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
5564 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
5565 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
5566 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
5567 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
5568 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
5569 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
5570 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
5571 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
5572 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
5573 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
5574 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
5575 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
5576 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
5577
5578 return num_suites;
5579}
5580
5581
9ebce9c5 5582static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 5583 enum wpa_alg alg, const u8 *addr,
5584 int key_idx, int set_tx,
642187d6
JM		 5585 const u8 *seq, size_t seq_len,
5586 const u8 *key, size_t key_len)
3f5285e8 5587{
a2e40bb6 5588 struct wpa_driver_nl80211_data *drv = bss->drv;
e472e1b4 5589 int ifindex;
3f5285e8 5590 struct nl_msg *msg;
1ad1cdc2 5591 int ret;
dc01de8a 5592 int tdls = 0;
3f5285e8 5593
e472e1b4
AS		 5594 /* Ignore for P2P Device */
5595 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
5596 return 0;
5597
5598 ifindex = if_nametoindex(ifname);
8393e1a0 5599 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
1ad1cdc2 5600 "set_tx=%d seq_len=%lu key_len=%lu",
8393e1a0 5601 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3f5285e8 5602 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185 5603#ifdef CONFIG_TDLS
dc01de8a 5604 if (key_idx == -1) {
8c66e185 5605 key_idx = 0;
dc01de8a
JM		 5606 tdls = 1;
5607 }
8c66e185 5608#endif /* CONFIG_TDLS */
3f5285e8
JM		 5609
5610 msg = nlmsg_alloc();
1ad1cdc2
JM		 5611 if (!msg)
5612 return -ENOMEM;
3f5285e8
JM		 5613
5614 if (alg == WPA_ALG_NONE) {
9fb04070 5615 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_KEY);
3f5285e8 5616 } else {
9fb04070 5617 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_KEY);
3f5285e8 5618 NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
e6ef73f1 5619 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
de4ed4a8
JM		 5620 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
5621 wpa_alg_to_cipher_suite(alg, key_len));
3f5285e8
JM		 5622 }
5623
e6ef73f1 5624 if (seq && seq_len) {
1ad1cdc2 5625 NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq);
e6ef73f1
JM		 5626 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
5627 }
1ad1cdc2 5628
0382097e 5629 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8
JM		 5630 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
5631 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
89c38e32
JM		 5632
5633 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
5634 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
5635 NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE,
5636 NL80211_KEYTYPE_GROUP);
5637 }
60ea8187 5638 } else if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 5639 struct nlattr *types;
5640
60ea8187 5641 wpa_printf(MSG_DEBUG, " broadcast key");
8970bae8
JB		 5642
5643 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5644 if (!types)
5645 goto nla_put_failure;
8970bae8
JB		 5646 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
5647 nla_nest_end(msg, types);
3f5285e8
JM		 5648 }
5649 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
1ad1cdc2 5650 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
3f5285e8 5651
1ad1cdc2 5652 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
15664ad0 5653 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 5654 ret = 0;
5655 if (ret)
5656 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
5657 ret, strerror(-ret));
3f5285e8 5658
1ad1cdc2
JM		 5659 /*
5660 * If we failed or don't need to set the default TX key (below),
5661 * we're done here.
5662 */
dc01de8a 5663 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
1ad1cdc2 5664 return ret;
b1f625e0 5665 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 5666 !is_broadcast_ether_addr(addr))
de12717a 5667 return ret;
3f5285e8 5668
1ad1cdc2
JM		 5669 msg = nlmsg_alloc();
5670 if (!msg)
5671 return -ENOMEM;
3f5285e8 5672
9fb04070 5673 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_KEY);
1ad1cdc2
JM		 5674 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
5675 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
5676 if (alg == WPA_ALG_IGTK)
5677 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT);
5678 else
5679 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
60ea8187 5680 if (addr && is_broadcast_ether_addr(addr)) {
8970bae8
JB		 5681 struct nlattr *types;
5682
5683 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5684 if (!types)
5685 goto nla_put_failure;
8970bae8
JB		 5686 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
5687 nla_nest_end(msg, types);
60ea8187 5688 } else if (addr) {
8970bae8
JB		 5689 struct nlattr *types;
5690
5691 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
60ea8187
JM		 5692 if (!types)
5693 goto nla_put_failure;
8970bae8
JB		 5694 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST);
5695 nla_nest_end(msg, types);
60ea8187 5696 }
3f5285e8 5697
1ad1cdc2
JM		 5698 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5699 if (ret == -ENOENT)
5700 ret = 0;
5701 if (ret)
5702 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
5703 "err=%d %s)", ret, strerror(-ret));
5704 return ret;
3f5285e8
JM		 5705
5706nla_put_failure:
5883168a 5707 nlmsg_free(msg);
6241fcb1 5708 return -ENOBUFS;
3f5285e8
JM		 5709}
5710
5711
71934751 5712static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 5713 int key_idx, int defkey,
5714 const u8 *seq, size_t seq_len,
5715 const u8 *key, size_t key_len)
5716{
5717 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
5718 if (!key_attr)
5719 return -1;
5720
5721 if (defkey && alg == WPA_ALG_IGTK)
5722 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_MGMT);
5723 else if (defkey)
5724 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
5725
5726 NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx);
5727
de4ed4a8
JM		 5728 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5729 wpa_alg_to_cipher_suite(alg, key_len));
0194fedb
JB		 5730
5731 if (seq && seq_len)
5732 NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq);
5733
5734 NLA_PUT(msg, NL80211_KEY_DATA, key_len, key);
5735
5736 nla_nest_end(msg, key_attr);
5737
5738 return 0;
5739 nla_put_failure:
5740 return -1;
5741}
5742
c811d5bc 5743
cfaab580
ZY		 5744static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
5745 struct nl_msg *msg)
5746{
5747 int i, privacy = 0;
5748 struct nlattr *nl_keys, *nl_key;
5749
5750 for (i = 0; i < 4; i++) {
5751 if (!params->wep_key[i])
5752 continue;
5753 privacy = 1;
5754 break;
5755 }
ce04af5a
JM		 5756 if (params->wps == WPS_MODE_PRIVACY)
5757 privacy = 1;
5758 if (params->pairwise_suite &&
5759 params->pairwise_suite != WPA_CIPHER_NONE)
5760 privacy = 1;
5761
cfaab580
ZY		 5762 if (!privacy)
5763 return 0;
5764
5765 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
5766
5767 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
5768 if (!nl_keys)
5769 goto nla_put_failure;
5770
5771 for (i = 0; i < 4; i++) {
5772 if (!params->wep_key[i])
5773 continue;
5774
5775 nl_key = nla_nest_start(msg, i);
5776 if (!nl_key)
5777 goto nla_put_failure;
5778
5779 NLA_PUT(msg, NL80211_KEY_DATA, params->wep_key_len[i],
5780 params->wep_key[i]);
5781 if (params->wep_key_len[i] == 5)
5782 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5783 WLAN_CIPHER_SUITE_WEP40);
5784 else
5785 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
5786 WLAN_CIPHER_SUITE_WEP104);
5787
5788 NLA_PUT_U8(msg, NL80211_KEY_IDX, i);
5789
5790 if (i == params->wep_tx_keyidx)
5791 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
5792
5793 nla_nest_end(msg, nl_key);
5794 }
5795 nla_nest_end(msg, nl_keys);
5796
5797 return 0;
5798
5799nla_put_failure:
5800 return -ENOBUFS;
5801}
5802
5803
c2a04078 5804static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 5805 const u8 *addr, int cmd, u16 reason_code,
5806 int local_state_change)
c2a04078
JM		 5807{
5808 int ret = -1;
5809 struct nl_msg *msg;
5810
5811 msg = nlmsg_alloc();
5812 if (!msg)
5813 return -1;
5814
9fb04070 5815 nl80211_cmd(drv, msg, 0, cmd);
c2a04078
JM		 5816
5817 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5818 NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code);
817762d9
MI		 5819 if (addr)
5820 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
77339912
JM		 5821 if (local_state_change)
5822 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
c2a04078
JM		 5823
5824 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5825 msg = NULL;
5826 if (ret) {
3b7ea880
BG		 5827 wpa_dbg(drv->ctx, MSG_DEBUG,
5828 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
5829 reason_code, ret, strerror(-ret));
c2a04078
JM		 5830 goto nla_put_failure;
5831 }
5832 ret = 0;
5833
5834nla_put_failure:
5835 nlmsg_free(msg);
5836 return ret;
5837}
3f5285e8
JM		 5838
5839
cfaab580 5840static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 5841 int reason_code)
cfaab580 5842{
3f53c006
JJ		 5843 int ret;
5844
817762d9 5845 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
add9b7a4 5846 nl80211_mark_disconnected(drv);
817762d9 5847 /* Disconnect command doesn't need BSSID - it uses cached value */
3f53c006
JJ		 5848 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
5849 reason_code, 0);
5850 /*
5851 * For locally generated disconnect, supplicant already generates a
5852 * DEAUTH event, so ignore the event from NL80211.
5853 */
5854 drv->ignore_next_local_disconnect = ret == 0;
5855
5856 return ret;
cfaab580
ZY		 5857}
5858
5859
9ebce9c5
JM		 5860static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
5861 const u8 *addr, int reason_code)
3f5285e8 5862{
a2e40bb6 5863 struct wpa_driver_nl80211_data *drv = bss->drv;
cfaab580 5864 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 5865 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 5866 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
5867 __func__, MAC2STR(addr), reason_code);
add9b7a4 5868 nl80211_mark_disconnected(drv);
21bdbe38
JM		 5869 if (drv->nlmode == NL80211_IFTYPE_ADHOC)
5870 return nl80211_leave_ibss(drv);
c2a04078 5871 return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
77339912 5872 reason_code, 0);
3f5285e8
JM		 5873}
5874
5875
536fd62d
JM		 5876static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
5877 struct wpa_driver_auth_params *params)
5878{
5879 int i;
5880
5881 drv->auth_freq = params->freq;
5882 drv->auth_alg = params->auth_alg;
5883 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
5884 drv->auth_local_state_change = params->local_state_change;
5885 drv->auth_p2p = params->p2p;
5886
5887 if (params->bssid)
5888 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
5889 else
5890 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
5891
5892 if (params->ssid) {
5893 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
5894 drv->auth_ssid_len = params->ssid_len;
5895 } else
5896 drv->auth_ssid_len = 0;
5897
5898
5899 os_free(drv->auth_ie);
5900 drv->auth_ie = NULL;
5901 drv->auth_ie_len = 0;
5902 if (params->ie) {
5903 drv->auth_ie = os_malloc(params->ie_len);
5904 if (drv->auth_ie) {
5905 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
5906 drv->auth_ie_len = params->ie_len;
5907 }
5908 }
5909
5910 for (i = 0; i < 4; i++) {
5911 if (params->wep_key[i] && params->wep_key_len[i] &&
5912 params->wep_key_len[i] <= 16) {
5913 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
5914 params->wep_key_len[i]);
5915 drv->auth_wep_key_len[i] = params->wep_key_len[i];
5916 } else
5917 drv->auth_wep_key_len[i] = 0;
5918 }
5919}
5920
5921
c2a04078 5922static int wpa_driver_nl80211_authenticate(
9ebce9c5 5923 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 5924{
a2e40bb6 5925 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 5926 int ret = -1, i;
c2a04078
JM		 5927 struct nl_msg *msg;
5928 enum nl80211_auth_type type;
2f4f73b1 5929 enum nl80211_iftype nlmode;
6d6f4bb8 5930 int count = 0;
536fd62d
JM		 5931 int is_retry;
5932
5933 is_retry = drv->retry_auth;
5934 drv->retry_auth = 0;
e8d70a73 5935 drv->ignore_deauth_event = 0;
c2a04078 5936
add9b7a4 5937 nl80211_mark_disconnected(drv);
e6b8efeb 5938 os_memset(drv->auth_bssid, 0, ETH_ALEN);
add9b7a4
JM		 5939 if (params->bssid)
5940 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
5941 else
5942 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
af473088 5943 /* FIX: IBSS mode */
2f4f73b1
EP		 5944 nlmode = params->p2p ?
5945 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
5946 if (drv->nlmode != nlmode &&
9ebce9c5 5947 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 5948 return -1;
5949
6d6f4bb8 5950retry:
c2a04078
JM		 5951 msg = nlmsg_alloc();
5952 if (!msg)
5953 return -1;
5954
5955 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
5956 drv->ifindex);
a0b2f99b 5957
9fb04070 5958 nl80211_cmd(drv, msg, 0, NL80211_CMD_AUTHENTICATE);
0194fedb 5959
a0b2f99b
JM		 5960 for (i = 0; i < 4; i++) {
5961 if (!params->wep_key[i])
5962 continue;
9ebce9c5 5963 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 5964 NULL, i,
a0b2f99b
JM		 5965 i == params->wep_tx_keyidx, NULL, 0,
5966 params->wep_key[i],
5967 params->wep_key_len[i]);
0194fedb
JB		 5968 if (params->wep_tx_keyidx != i)
5969 continue;
5970 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
5971 params->wep_key[i], params->wep_key_len[i])) {
5972 nlmsg_free(msg);
5973 return -1;
5974 }
a0b2f99b
JM		 5975 }
5976
c2a04078
JM		 5977 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5978 if (params->bssid) {
5979 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
5980 MAC2STR(params->bssid));
5981 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
5982 }
5983 if (params->freq) {
5984 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
5985 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
5986 }
5987 if (params->ssid) {
5988 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
5989 params->ssid, params->ssid_len);
5990 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
5991 params->ssid);
5992 }
5993 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
5994 if (params->ie)
5995 NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie);
569fed90
JM		 5996 if (params->sae_data) {
5997 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
5998 params->sae_data_len);
5999 NLA_PUT(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
6000 params->sae_data);
6001 }
abd9fafa 6002 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 6003 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 6004 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 6005 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 6006 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 6007 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 6008 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 6009 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 6010 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
6011 type = NL80211_AUTHTYPE_SAE;
c2a04078
JM		 6012 else
6013 goto nla_put_failure;
6014 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
6015 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
77339912
JM		 6016 if (params->local_state_change) {
6017 wpa_printf(MSG_DEBUG, " * Local state change only");
6018 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
6019 }
c2a04078
JM		 6020
6021 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6022 msg = NULL;
6023 if (ret) {
3b7ea880
BG		 6024 wpa_dbg(drv->ctx, MSG_DEBUG,
6025 "nl80211: MLME command failed (auth): ret=%d (%s)",
6026 ret, strerror(-ret));
6d6f4bb8 6027 count++;
77339912
JM		 6028 if (ret == -EALREADY && count == 1 && params->bssid &&
6029 !params->local_state_change) {
6d6f4bb8
JM		 6030 /*
6031 * mac80211 does not currently accept new
6032 * authentication if we are already authenticated. As a
6033 * workaround, force deauthentication and try again.
6034 */
6035 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
6036 "after forced deauthentication");
e8d70a73 6037 drv->ignore_deauth_event = 1;
6d6f4bb8 6038 wpa_driver_nl80211_deauthenticate(
5205c4f9 6039 bss, params->bssid,
6d6f4bb8
JM		 6040 WLAN_REASON_PREV_AUTH_NOT_VALID);
6041 nlmsg_free(msg);
6042 goto retry;
6043 }
536fd62d
JM		 6044
6045 if (ret == -ENOENT && params->freq && !is_retry) {
6046 /*
6047 * cfg80211 has likely expired the BSS entry even
6048 * though it was previously available in our internal
6049 * BSS table. To recover quickly, start a single
6050 * channel scan on the specified channel.
6051 */
6052 struct wpa_driver_scan_params scan;
6053 int freqs[2];
6054
6055 os_memset(&scan, 0, sizeof(scan));
6056 scan.num_ssids = 1;
6057 if (params->ssid) {
6058 scan.ssids[0].ssid = params->ssid;
6059 scan.ssids[0].ssid_len = params->ssid_len;
6060 }
6061 freqs[0] = params->freq;
6062 freqs[1] = 0;
6063 scan.freqs = freqs;
6064 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
6065 "channel scan to refresh cfg80211 BSS "
6066 "entry");
6067 ret = wpa_driver_nl80211_scan(bss, &scan);
6068 if (ret == 0) {
6069 nl80211_copy_auth_params(drv, params);
6070 drv->scan_for_auth = 1;
6071 }
8c3ba078
JM		 6072 } else if (is_retry) {
6073 /*
6074 * Need to indicate this with an event since the return
6075 * value from the retry is not delivered to core code.
6076 */
6077 union wpa_event_data event;
6078 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
6079 "failed");
6080 os_memset(&event, 0, sizeof(event));
6081 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
6082 ETH_ALEN);
6083 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
6084 &event);
536fd62d
JM		 6085 }
6086
c2a04078
JM		 6087 goto nla_put_failure;
6088 }
6089 ret = 0;
6090 wpa_printf(MSG_DEBUG, "nl80211: Authentication request send "
6091 "successfully");
6092
6093nla_put_failure:
6094 nlmsg_free(msg);
6095 return ret;
6096}
6097
6098
536fd62d
JM		 6099static int wpa_driver_nl80211_authenticate_retry(
6100 struct wpa_driver_nl80211_data *drv)
6101{
6102 struct wpa_driver_auth_params params;
834ee56f 6103 struct i802_bss *bss = drv->first_bss;
536fd62d
JM		 6104 int i;
6105
6106 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
6107
6108 os_memset(&params, 0, sizeof(params));
6109 params.freq = drv->auth_freq;
6110 params.auth_alg = drv->auth_alg;
6111 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
6112 params.local_state_change = drv->auth_local_state_change;
6113 params.p2p = drv->auth_p2p;
6114
6115 if (!is_zero_ether_addr(drv->auth_bssid_))
6116 params.bssid = drv->auth_bssid_;
6117
6118 if (drv->auth_ssid_len) {
6119 params.ssid = drv->auth_ssid;
6120 params.ssid_len = drv->auth_ssid_len;
6121 }
6122
6123 params.ie = drv->auth_ie;
6124 params.ie_len = drv->auth_ie_len;
6125
6126 for (i = 0; i < 4; i++) {
6127 if (drv->auth_wep_key_len[i]) {
6128 params.wep_key[i] = drv->auth_wep_key[i];
6129 params.wep_key_len[i] = drv->auth_wep_key_len[i];
6130 }
6131 }
6132
6133 drv->retry_auth = 1;
6134 return wpa_driver_nl80211_authenticate(bss, &params);
6135}
6136
6137
282d5590
JM		 6138struct phy_info_arg {
6139 u16 *num_modes;
6140 struct hostapd_hw_modes *modes;
43245552 6141 int last_mode, last_chan_idx;
282d5590
JM		 6142};
6143
e62a1d43
JM		 6144static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
6145 struct nlattr *ampdu_factor,
6146 struct nlattr *ampdu_density,
6147 struct nlattr *mcs_set)
6148{
6149 if (capa)
6150 mode->ht_capab = nla_get_u16(capa);
6151
6152 if (ampdu_factor)
6153 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
6154
6155 if (ampdu_density)
6156 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
6157
6158 if (mcs_set && nla_len(mcs_set) >= 16) {
6159 u8 *mcs;
6160 mcs = nla_data(mcs_set);
6161 os_memcpy(mode->mcs_set, mcs, 16);
6162 }
6163}
6164
6165
6166static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
6167 struct nlattr *capa,
6168 struct nlattr *mcs_set)
6169{
6170 if (capa)
6171 mode->vht_capab = nla_get_u32(capa);
6172
6173 if (mcs_set && nla_len(mcs_set) >= 8) {
6174 u8 *mcs;
6175 mcs = nla_data(mcs_set);
6176 os_memcpy(mode->vht_mcs_set, mcs, 8);
6177 }
6178}
6179
6180
214a77b0
JM		 6181static void phy_info_freq(struct hostapd_hw_modes *mode,
6182 struct hostapd_channel_data *chan,
6183 struct nlattr *tb_freq[])
6184{
e864c0ae 6185 u8 channel;
214a77b0
JM		 6186 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
6187 chan->flag = 0;
e864c0ae
JM		 6188 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
6189 chan->chan = channel;
214a77b0
JM		 6190
6191 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
6192 chan->flag |= HOSTAPD_CHAN_DISABLED;
9fcd300d
JM		 6193 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
6194 chan->flag |= HOSTAPD_CHAN_PASSIVE_SCAN | HOSTAPD_CHAN_NO_IBSS;
214a77b0
JM		 6195 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
6196 chan->flag |= HOSTAPD_CHAN_RADAR;
6197
fc96522e
SW		 6198 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
6199 enum nl80211_dfs_state state =
6200 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
6201
6202 switch (state) {
6203 case NL80211_DFS_USABLE:
6204 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
6205 break;
6206 case NL80211_DFS_AVAILABLE:
6207 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
6208 break;
6209 case NL80211_DFS_UNAVAILABLE:
6210 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
6211 break;
6212 }
6213 }
214a77b0
JM		 6214}
6215
6216
e62a1d43
JM		 6217static int phy_info_freqs(struct phy_info_arg *phy_info,
6218 struct hostapd_hw_modes *mode, struct nlattr *tb)
282d5590 6219{
282d5590
JM		 6220 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
6221 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
6222 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
9fcd300d 6223 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
282d5590
JM		 6224 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
6225 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
fc96522e 6226 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
282d5590 6227 };
e62a1d43
JM		 6228 int new_channels = 0;
6229 struct hostapd_channel_data *channel;
6230 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
6231 struct nlattr *nl_freq;
6232 int rem_freq, idx;
6233
6234 if (tb == NULL)
6235 return NL_OK;
6236
6237 nla_for_each_nested(nl_freq, tb, rem_freq) {
6238 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
6239 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
6240 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
6241 continue;
6242 new_channels++;
6243 }
6244
6245 channel = os_realloc_array(mode->channels,
6246 mode->num_channels + new_channels,
6247 sizeof(struct hostapd_channel_data));
6248 if (!channel)
6249 return NL_SKIP;
6250
6251 mode->channels = channel;
6252 mode->num_channels += new_channels;
6253
6254 idx = phy_info->last_chan_idx;
6255
6256 nla_for_each_nested(nl_freq, tb, rem_freq) {
6257 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
6258 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
6259 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
6260 continue;
214a77b0 6261 phy_info_freq(mode, &mode->channels[idx], tb_freq);
e62a1d43
JM		 6262 idx++;
6263 }
6264 phy_info->last_chan_idx = idx;
6265
6266 return NL_OK;
6267}
6268
6269
6270static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
6271{
282d5590
JM		 6272 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
6273 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
3cfcad1b
JM		 6274 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
6275 { .type = NLA_FLAG },
282d5590 6276 };
e62a1d43 6277 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
282d5590 6278 struct nlattr *nl_rate;
e62a1d43
JM		 6279 int rem_rate, idx;
6280
6281 if (tb == NULL)
6282 return NL_OK;
6283
6284 nla_for_each_nested(nl_rate, tb, rem_rate) {
6285 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
6286 nla_data(nl_rate), nla_len(nl_rate),
6287 rate_policy);
6288 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
6289 continue;
6290 mode->num_rates++;
6291 }
6292
6293 mode->rates = os_calloc(mode->num_rates, sizeof(int));
6294 if (!mode->rates)
6295 return NL_SKIP;
6296
6297 idx = 0;
6298
6299 nla_for_each_nested(nl_rate, tb, rem_rate) {
6300 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
6301 nla_data(nl_rate), nla_len(nl_rate),
6302 rate_policy);
6303 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
6304 continue;
6305 mode->rates[idx] = nla_get_u32(
6306 tb_rate[NL80211_BITRATE_ATTR_RATE]);
e62a1d43
JM		 6307 idx++;
6308 }
6309
6310 return NL_OK;
6311}
6312
6313
6314static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
6315{
6316 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
282d5590 6317 struct hostapd_hw_modes *mode;
e62a1d43 6318 int ret;
282d5590 6319
3cfcad1b
JM		 6320 if (phy_info->last_mode != nl_band->nla_type) {
6321 mode = os_realloc_array(phy_info->modes,
6322 *phy_info->num_modes + 1,
6323 sizeof(*mode));
6324 if (!mode)
6325 return NL_SKIP;
6326 phy_info->modes = mode;
6327
6328 mode = &phy_info->modes[*(phy_info->num_modes)];
6329 os_memset(mode, 0, sizeof(*mode));
6330 mode->mode = NUM_HOSTAPD_MODES;
c8ebeda4
MK		 6331 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
6332 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
6333
6334 /*
6335 * Unsupported VHT MCS stream is defined as value 3, so the VHT
6336 * MCS RX/TX map must be initialized with 0xffff to mark all 8
6337 * possible streams as unsupported. This will be overridden if
6338 * driver advertises VHT support.
6339 */
6340 mode->vht_mcs_set[0] = 0xff;
6341 mode->vht_mcs_set[1] = 0xff;
6342 mode->vht_mcs_set[4] = 0xff;
6343 mode->vht_mcs_set[5] = 0xff;
6344
3cfcad1b
JM		 6345 *(phy_info->num_modes) += 1;
6346 phy_info->last_mode = nl_band->nla_type;
6347 phy_info->last_chan_idx = 0;
6348 } else
6349 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
282d5590 6350
3cfcad1b
JM		 6351 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
6352 nla_len(nl_band), NULL);
282d5590 6353
e62a1d43
JM		 6354 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
6355 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
6356 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
6357 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
6358 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
6359 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
6360 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
6361 if (ret != NL_OK)
6362 return ret;
6363 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
6364 if (ret != NL_OK)
6365 return ret;
282d5590 6366
3cfcad1b
JM		 6367 return NL_OK;
6368}
6369
6370
6371static int phy_info_handler(struct nl_msg *msg, void *arg)
6372{
6373 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
6374 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6375 struct phy_info_arg *phy_info = arg;
6376 struct nlattr *nl_band;
6377 int rem_band;
6378
6379 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6380 genlmsg_attrlen(gnlh, 0), NULL);
6381
6382 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
6383 return NL_SKIP;
6384
6385 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
6386 {
6387 int res = phy_info_band(phy_info, nl_band);
6388 if (res != NL_OK)
6389 return res;
6390 }
6391
282d5590
JM		 6392 return NL_SKIP;
6393}
6394
3cfcad1b 6395
282d5590 6396static struct hostapd_hw_modes *
c30a4ab0
JB		 6397wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
6398 u16 *num_modes)
282d5590
JM		 6399{
6400 u16 m;
6401 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
6402 int i, mode11g_idx = -1;
6403
c30a4ab0
JB		 6404 /* heuristic to set up modes */
6405 for (m = 0; m < *num_modes; m++) {
6406 if (!modes[m].num_channels)
6407 continue;
6408 if (modes[m].channels[0].freq < 4000) {
6409 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
6410 for (i = 0; i < modes[m].num_rates; i++) {
6411 if (modes[m].rates[i] > 200) {
6412 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
6413 break;
6414 }
6415 }
6416 } else if (modes[m].channels[0].freq > 50000)
6417 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
6418 else
6419 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
6420 }
6421
282d5590
JM		 6422 /* If only 802.11g mode is included, use it to construct matching
6423 * 802.11b mode data. */
6424
6425 for (m = 0; m < *num_modes; m++) {
6426 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
6427 return modes; /* 802.11b already included */
6428 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
6429 mode11g_idx = m;
6430 }
6431
6432 if (mode11g_idx < 0)
6433 return modes; /* 2.4 GHz band not supported at all */
6434
067ffa26 6435 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
282d5590
JM		 6436 if (nmodes == NULL)
6437 return modes; /* Could not add 802.11b mode */
6438
6439 mode = &nmodes[*num_modes];
6440 os_memset(mode, 0, sizeof(*mode));
6441 (*num_modes)++;
6442 modes = nmodes;
6443
6444 mode->mode = HOSTAPD_MODE_IEEE80211B;
6445
6446 mode11g = &modes[mode11g_idx];
6447 mode->num_channels = mode11g->num_channels;
6448 mode->channels = os_malloc(mode11g->num_channels *
6449 sizeof(struct hostapd_channel_data));
6450 if (mode->channels == NULL) {
6451 (*num_modes)--;
6452 return modes; /* Could not add 802.11b mode */
6453 }
6454 os_memcpy(mode->channels, mode11g->channels,
6455 mode11g->num_channels * sizeof(struct hostapd_channel_data));
6456
6457 mode->num_rates = 0;
fb7842aa 6458 mode->rates = os_malloc(4 * sizeof(int));
282d5590
JM		 6459 if (mode->rates == NULL) {
6460 os_free(mode->channels);
6461 (*num_modes)--;
6462 return modes; /* Could not add 802.11b mode */
6463 }
6464
6465 for (i = 0; i < mode11g->num_rates; i++) {
fb7842aa
JM		 6466 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
6467 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
282d5590
JM		 6468 continue;
6469 mode->rates[mode->num_rates] = mode11g->rates[i];
6470 mode->num_rates++;
6471 if (mode->num_rates == 4)
6472 break;
6473 }
6474
6475 if (mode->num_rates == 0) {
6476 os_free(mode->channels);
6477 os_free(mode->rates);
6478 (*num_modes)--;
6479 return modes; /* No 802.11b rates */
6480 }
6481
6482 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
6483 "information");
6484
6485 return modes;
6486}
6487
6488
d8e66e80
JM		 6489static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
6490 int end)
6491{
6492 int c;
6493
6494 for (c = 0; c < mode->num_channels; c++) {
6495 struct hostapd_channel_data *chan = &mode->channels[c];
6496 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
6497 chan->flag |= HOSTAPD_CHAN_HT40;
6498 }
6499}
6500
6501
6502static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
6503 int end)
6504{
6505 int c;
6506
6507 for (c = 0; c < mode->num_channels; c++) {
6508 struct hostapd_channel_data *chan = &mode->channels[c];
6509 if (!(chan->flag & HOSTAPD_CHAN_HT40))
6510 continue;
6511 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
6512 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
6513 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
6514 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
6515 }
6516}
6517
6518
35f3d3ed 6519static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
6651f1f9
HS		 6520 struct phy_info_arg *results)
6521{
6651f1f9
HS		 6522 u16 m;
6523
6651f1f9
HS		 6524 for (m = 0; m < *results->num_modes; m++) {
6525 int c;
6526 struct hostapd_hw_modes *mode = &results->modes[m];
6527
6528 for (c = 0; c < mode->num_channels; c++) {
6529 struct hostapd_channel_data *chan = &mode->channels[c];
6530 if ((u32) chan->freq - 10 >= start &&
6531 (u32) chan->freq + 10 <= end)
6532 chan->max_tx_power = max_eirp;
6533 }
6534 }
6535}
6536
6537
35f3d3ed 6538static void nl80211_reg_rule_ht40(u32 start, u32 end,
d8e66e80
JM		 6539 struct phy_info_arg *results)
6540{
d8e66e80
JM		 6541 u16 m;
6542
d8e66e80
JM		 6543 for (m = 0; m < *results->num_modes; m++) {
6544 if (!(results->modes[m].ht_capab &
6545 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
6546 continue;
6547 nl80211_set_ht40_mode(&results->modes[m], start, end);
6548 }
6549}
6550
6551
6552static void nl80211_reg_rule_sec(struct nlattr *tb[],
6553 struct phy_info_arg *results)
6554{
6555 u32 start, end, max_bw;
6556 u16 m;
6557
6558 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
6559 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
6560 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
6561 return;
6562
6563 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
6564 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
6565 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
6566
6567 if (max_bw < 20)
6568 return;
6569
6570 for (m = 0; m < *results->num_modes; m++) {
6571 if (!(results->modes[m].ht_capab &
6572 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
6573 continue;
6574 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
6575 }
6576}
6577
6578
53cfad46
EP		 6579static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
6580 int end)
6581{
6582 int c;
6583
6584 for (c = 0; c < mode->num_channels; c++) {
6585 struct hostapd_channel_data *chan = &mode->channels[c];
6586 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
6587 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
6588
6589 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
6590 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
6591
6592 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
6593 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
6594
6595 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
6596 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
6597 }
6598}
6599
6600
6601static void nl80211_reg_rule_vht(struct nlattr *tb[],
6602 struct phy_info_arg *results)
6603{
6604 u32 start, end, max_bw;
6605 u16 m;
6606
6607 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
6608 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
6609 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
6610 return;
6611
6612 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
6613 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
6614 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
6615
6616 if (max_bw < 80)
6617 return;
6618
6619 for (m = 0; m < *results->num_modes; m++) {
6620 if (!(results->modes[m].ht_capab &
6621 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
6622 continue;
6623 /* TODO: use a real VHT support indication */
6624 if (!results->modes[m].vht_capab)
6625 continue;
6626
6627 nl80211_set_vht_mode(&results->modes[m], start, end);
6628 }
6629}
6630
6631
1412beee
JD		 6632static const char * dfs_domain_name(enum nl80211_dfs_regions region)
6633{
6634 switch (region) {
6635 case NL80211_DFS_UNSET:
6636 return "DFS-UNSET";
6637 case NL80211_DFS_FCC:
6638 return "DFS-FCC";
6639 case NL80211_DFS_ETSI:
6640 return "DFS-ETSI";
6641 case NL80211_DFS_JP:
6642 return "DFS-JP";
6643 default:
6644 return "DFS-invalid";
6645 }
6646}
6647
6648
d8e66e80
JM		 6649static int nl80211_get_reg(struct nl_msg *msg, void *arg)
6650{
6651 struct phy_info_arg *results = arg;
6652 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
6653 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6654 struct nlattr *nl_rule;
6655 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
6656 int rem_rule;
6657 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
6658 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6659 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6660 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6661 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6662 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6663 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6664 };
6665
6666 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6667 genlmsg_attrlen(gnlh, 0), NULL);
6668 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
6669 !tb_msg[NL80211_ATTR_REG_RULES]) {
6670 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
6671 "available");
6672 return NL_SKIP;
6673 }
6674
1412beee
JD		 6675 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
6676 enum nl80211_dfs_regions dfs_domain;
6677 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
6678 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
6679 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
6680 dfs_domain_name(dfs_domain));
6681 } else {
6682 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
6683 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
6684 }
d8e66e80
JM		 6685
6686 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
6687 {
bfb79dde 6688 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
d8e66e80
JM		 6689 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
6690 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
35f3d3ed
JM		 6691 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
6692 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
6693 continue;
6694 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
6695 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
6696 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
6697 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
6698 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
6699 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
bfb79dde
JM		 6700 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
6701 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
6702
6703 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
6704 start, end, max_bw, max_eirp,
6705 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
6706 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
6707 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
6708 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
6709 "",
6710 flags & NL80211_RRF_DFS ? " (DFS)" : "",
6711 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
6712 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
6713 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
35f3d3ed
JM		 6714 if (max_bw >= 40)
6715 nl80211_reg_rule_ht40(start, end, results);
6716 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
6717 nl80211_reg_rule_max_eirp(start, end, max_eirp,
6718 results);
d8e66e80
JM		 6719 }
6720
6721 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
6722 {
6723 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
6724 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
6725 nl80211_reg_rule_sec(tb_rule, results);
6726 }
6727
53cfad46
EP		 6728 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
6729 {
6730 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
6731 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
6732 nl80211_reg_rule_vht(tb_rule, results);
6733 }
6734
d8e66e80
JM		 6735 return NL_SKIP;
6736}
6737
6738
53cfad46
EP		 6739static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
6740 struct phy_info_arg *results)
d8e66e80
JM		 6741{
6742 struct nl_msg *msg;
6743
6744 msg = nlmsg_alloc();
6745 if (!msg)
6746 return -ENOMEM;
6747
9fb04070 6748 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
d8e66e80
JM		 6749 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
6750}
6751
6752
282d5590
JM		 6753static struct hostapd_hw_modes *
6754wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
6755{
43245552 6756 u32 feat;
a2e40bb6
FF		 6757 struct i802_bss *bss = priv;
6758 struct wpa_driver_nl80211_data *drv = bss->drv;
282d5590
JM		 6759 struct nl_msg *msg;
6760 struct phy_info_arg result = {
6761 .num_modes = num_modes,
6762 .modes = NULL,
43245552 6763 .last_mode = -1,
282d5590
JM		 6764 };
6765
6766 *num_modes = 0;
6767 *flags = 0;
6768
6769 msg = nlmsg_alloc();
6770 if (!msg)
6771 return NULL;
6772
43245552
DJ		 6773 feat = get_nl80211_protocol_features(drv);
6774 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
6775 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
6776 else
6777 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
282d5590 6778
43245552 6779 NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
be24917d
IP		 6780 if (nl80211_set_iface_id(msg, bss) < 0)
6781 goto nla_put_failure;
282d5590 6782
d8e66e80 6783 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
53cfad46 6784 nl80211_set_regulatory_flags(drv, &result);
c30a4ab0
JB		 6785 return wpa_driver_nl80211_postprocess_modes(result.modes,
6786 num_modes);
d8e66e80 6787 }
5883168a 6788 msg = NULL;
282d5590 6789 nla_put_failure:
5883168a 6790 nlmsg_free(msg);
282d5590
JM		 6791 return NULL;
6792}
6793
6794
a11241fa
JB		 6795static int wpa_driver_nl80211_send_mntr(struct wpa_driver_nl80211_data *drv,
6796 const void *data, size_t len,
6797 int encrypt, int noack)
2c2010ac
JM		 6798{
6799 __u8 rtap_hdr[] = {
6800 0x00, 0x00, /* radiotap version */
6801 0x0e, 0x00, /* radiotap length */
6802 0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */
6803 IEEE80211_RADIOTAP_F_FRAG, /* F_FRAG (fragment if required) */
6804 0x00, /* padding */
6805 0x00, 0x00, /* RX and TX flags to indicate that */
6806 0x00, 0x00, /* this is the injected frame directly */
6807 };
6808 struct iovec iov[2] = {
6809 {
6810 .iov_base = &rtap_hdr,
6811 .iov_len = sizeof(rtap_hdr),
6812 },
6813 {
6814 .iov_base = (void *) data,
6815 .iov_len = len,
6816 }
6817 };
6818 struct msghdr msg = {
6819 .msg_name = NULL,
6820 .msg_namelen = 0,
6821 .msg_iov = iov,
6822 .msg_iovlen = 2,
6823 .msg_control = NULL,
6824 .msg_controllen = 0,
6825 .msg_flags = 0,
6826 };
ebbec8b2 6827 int res;
fab25336 6828 u16 txflags = 0;
2c2010ac
JM		 6829
6830 if (encrypt)
6831 rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP;
6832
866af8b6
JM		 6833 if (drv->monitor_sock < 0) {
6834 wpa_printf(MSG_DEBUG, "nl80211: No monitor socket available "
6835 "for %s", __func__);
6836 return -1;
6837 }
6838
fab25336
HS		 6839 if (noack)
6840 txflags |= IEEE80211_RADIOTAP_F_TX_NOACK;
9d7a63dc 6841 WPA_PUT_LE16(&rtap_hdr[12], txflags);
fab25336 6842
ebbec8b2
JM		 6843 res = sendmsg(drv->monitor_sock, &msg, 0);
6844 if (res < 0) {
6845 wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno));
6846 return -1;
6847 }
6848 return 0;
2c2010ac
JM		 6849}
6850
6851
a11241fa
JB		 6852static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
6853 const void *data, size_t len,
55231068
JM		 6854 int encrypt, int noack,
6855 unsigned int freq, int no_cck,
6856 int offchanok, unsigned int wait_time)
a11241fa
JB		 6857{
6858 struct wpa_driver_nl80211_data *drv = bss->drv;
6859 u64 cookie;
41cc50d1 6860 int res;
a11241fa 6861
af964484
JM		 6862 if (freq == 0) {
6863 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
6864 bss->freq);
55231068 6865 freq = bss->freq;
af964484 6866 }
55231068 6867
739faee2
JM		 6868 if (drv->use_monitor) {
6869 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_mntr",
6870 freq, bss->freq);
a11241fa
JB		 6871 return wpa_driver_nl80211_send_mntr(drv, data, len,
6872 encrypt, noack);
739faee2 6873 }
a11241fa 6874
739faee2 6875 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
41cc50d1
JM		 6876 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
6877 &cookie, no_cck, noack, offchanok);
6878 if (res == 0 && !noack) {
6879 const struct ieee80211_mgmt *mgmt;
6880 u16 fc;
6881
6882 mgmt = (const struct ieee80211_mgmt *) data;
6883 fc = le_to_host16(mgmt->frame_control);
6884 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6885 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
6886 wpa_printf(MSG_MSGDUMP,
6887 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
6888 (long long unsigned int)
6889 drv->send_action_cookie,
6890 (long long unsigned int) cookie);
6891 drv->send_action_cookie = cookie;
6892 }
6893 }
6894
6895 return res;
a11241fa
JB		 6896}
6897
6898
9ebce9c5
JM		 6899static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
6900 size_t data_len, int noack,
6901 unsigned int freq, int no_cck,
6902 int offchanok,
6903 unsigned int wait_time)
2c2010ac 6904{
a2e40bb6 6905 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 6906 struct ieee80211_mgmt *mgmt;
7a47d567 6907 int encrypt = 1;
2c2010ac
JM		 6908 u16 fc;
6909
6910 mgmt = (struct ieee80211_mgmt *) data;
6911 fc = le_to_host16(mgmt->frame_control);
af964484
JM		 6912 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x nlmode=%d",
6913 noack, freq, no_cck, offchanok, wait_time, fc, drv->nlmode);
2c2010ac 6914
8e12685c
AS		 6915 if ((is_sta_interface(drv->nlmode) ||
6916 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
5582a5d1
JB		 6917 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6918 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
6919 /*
6920 * The use of last_mgmt_freq is a bit of a hack,
6921 * but it works due to the single-threaded nature
6922 * of wpa_supplicant.
6923 */
af964484
JM		 6924 if (freq == 0) {
6925 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
6926 drv->last_mgmt_freq);
55231068 6927 freq = drv->last_mgmt_freq;
af964484 6928 }
55231068 6929 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7
JB		 6930 data, data_len, NULL, 1, noack,
6931 1);
5582a5d1
JB		 6932 }
6933
61cbe2ff 6934 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
af964484
JM		 6935 if (freq == 0) {
6936 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
6937 bss->freq);
55231068 6938 freq = bss->freq;
af964484 6939 }
b5671498
JM		 6940 return nl80211_send_frame_cmd(bss, freq,
6941 (int) freq == bss->freq ? 0 :
6942 wait_time,
d8d6b32e
DG		 6943 data, data_len,
6944 &drv->send_action_cookie,
55231068 6945 no_cck, noack, offchanok);
86957e62
JM		 6946 }
6947
2c2010ac
JM		 6948 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
6949 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
6950 /*
6951 * Only one of the authentication frame types is encrypted.
6952 * In order for static WEP encryption to work properly (i.e.,
6953 * to not encrypt the frame), we need to tell mac80211 about
6954 * the frames that must not be encrypted.
6955 */
6956 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
6957 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 6958 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
6959 encrypt = 0;
2c2010ac
JM		 6960 }
6961
739faee2 6962 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
a11241fa 6963 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068
JM		 6964 noack, freq, no_cck, offchanok,
6965 wait_time);
6966}
6967
6968
31357268 6969static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47
JM		 6970 int slot, int ht_opmode, int ap_isolate,
6971 int *basic_rates)
31357268
JM		 6972{
6973 struct wpa_driver_nl80211_data *drv = bss->drv;
6974 struct nl_msg *msg;
6975
6976 msg = nlmsg_alloc();
6977 if (!msg)
6978 return -ENOMEM;
6979
9fb04070 6980 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS);
31357268
JM		 6981
6982 if (cts >= 0)
6983 NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts);
6984 if (preamble >= 0)
6985 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
6986 if (slot >= 0)
6987 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
6988 if (ht_opmode >= 0)
6989 NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode);
d03e8d11
JM		 6990 if (ap_isolate >= 0)
6991 NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate);
e5693c47
JM		 6992
6993 if (basic_rates) {
6994 u8 rates[NL80211_MAX_SUPP_RATES];
6995 u8 rates_len = 0;
6996 int i;
6997
6998 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
6999 i++)
7000 rates[rates_len++] = basic_rates[i] / 5;
7001
7002 NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
7003 }
7004
31357268
JM		 7005 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
7006
7007 return send_and_recv_msgs(drv, msg, NULL, NULL);
7008 nla_put_failure:
5883168a 7009 nlmsg_free(msg);
31357268
JM		 7010 return -ENOBUFS;
7011}
7012
7013
3c4ca363
VN		 7014static int wpa_driver_nl80211_set_acl(void *priv,
7015 struct hostapd_acl_params *params)
7016{
7017 struct i802_bss *bss = priv;
7018 struct wpa_driver_nl80211_data *drv = bss->drv;
7019 struct nl_msg *msg;
7020 struct nlattr *acl;
7021 unsigned int i;
7022 int ret = 0;
7023
7024 if (!(drv->capa.max_acl_mac_addrs))
7025 return -ENOTSUP;
7026
7027 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
7028 return -ENOTSUP;
7029
7030 msg = nlmsg_alloc();
7031 if (!msg)
7032 return -ENOMEM;
7033
7034 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
7035 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
7036
7037 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_MAC_ACL);
7038
7039 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7040
7041 NLA_PUT_U32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
7042 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
7043 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED);
7044
7045 acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
7046 if (acl == NULL)
7047 goto nla_put_failure;
7048
7049 for (i = 0; i < params->num_mac_acl; i++)
7050 NLA_PUT(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr);
7051
7052 nla_nest_end(msg, acl);
7053
7054 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7055 msg = NULL;
7056 if (ret) {
7057 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
7058 ret, strerror(-ret));
7059 }
7060
7061nla_put_failure:
7062 nlmsg_free(msg);
7063
7064 return ret;
7065}
7066
7067
19c3b566
JM		 7068static int wpa_driver_nl80211_set_ap(void *priv,
7069 struct wpa_driver_ap_params *params)
d2440ba0 7070{
a2e40bb6
FF		 7071 struct i802_bss *bss = priv;
7072 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 7073 struct nl_msg *msg;
7074 u8 cmd = NL80211_CMD_NEW_BEACON;
7075 int ret;
b4fd6fab 7076 int beacon_set;
8b897f5a 7077 int ifindex = if_nametoindex(bss->ifname);
b11d1d64 7078 int num_suites;
de4ed4a8 7079 u32 suites[10], suite;
b11d1d64 7080 u32 ver;
b4fd6fab 7081
b4fd6fab 7082 beacon_set = bss->beacon_set;
d2440ba0
JM		 7083
7084 msg = nlmsg_alloc();
7085 if (!msg)
7086 return -ENOMEM;
7087
7088 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 7089 beacon_set);
7090 if (beacon_set)
d2440ba0
JM		 7091 cmd = NL80211_CMD_SET_BEACON;
7092
9fb04070 7093 nl80211_cmd(drv, msg, 0, cmd);
b92e08fc
JM		 7094 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
7095 params->head, params->head_len);
19c3b566 7096 NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head);
b92e08fc
JM		 7097 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
7098 params->tail, params->tail_len);
19c3b566 7099 NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail);
b92e08fc 7100 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", ifindex);
b4fd6fab 7101 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
b92e08fc 7102 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
19c3b566 7103 NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int);
b92e08fc 7104 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
19c3b566 7105 NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period);
b92e08fc
JM		 7106 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
7107 params->ssid, params->ssid_len);
ccb941e6
JM		 7108 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7109 params->ssid);
b92e08fc
JM		 7110 if (params->proberesp && params->proberesp_len) {
7111 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
7112 params->proberesp, params->proberesp_len);
5ed33546
AN		 7113 NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
7114 params->proberesp);
b92e08fc 7115 }
97a7a0b5
JM		 7116 switch (params->hide_ssid) {
7117 case NO_SSID_HIDING:
b92e08fc 7118 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
97a7a0b5
JM		 7119 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
7120 NL80211_HIDDEN_SSID_NOT_IN_USE);
7121 break;
7122 case HIDDEN_SSID_ZERO_LEN:
b92e08fc 7123 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
97a7a0b5
JM		 7124 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
7125 NL80211_HIDDEN_SSID_ZERO_LEN);
7126 break;
7127 case HIDDEN_SSID_ZERO_CONTENTS:
b92e08fc 7128 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
97a7a0b5
JM		 7129 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
7130 NL80211_HIDDEN_SSID_ZERO_CONTENTS);
7131 break;
7132 }
b92e08fc 7133 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
b11d1d64
JM		 7134 if (params->privacy)
7135 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
b92e08fc 7136 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
b11d1d64
JM		 7137 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
7138 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
7139 /* Leave out the attribute */
7140 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED)
7141 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
7142 NL80211_AUTHTYPE_SHARED_KEY);
7143 else
7144 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
7145 NL80211_AUTHTYPE_OPEN_SYSTEM);
7146
b92e08fc 7147 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
b11d1d64
JM		 7148 ver = 0;
7149 if (params->wpa_version & WPA_PROTO_WPA)
7150 ver |= NL80211_WPA_VERSION_1;
7151 if (params->wpa_version & WPA_PROTO_RSN)
7152 ver |= NL80211_WPA_VERSION_2;
7153 if (ver)
7154 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
7155
b92e08fc
JM		 7156 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
7157 params->key_mgmt_suites);
b11d1d64
JM		 7158 num_suites = 0;
7159 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
7160 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
7161 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
7162 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
7163 if (num_suites) {
7164 NLA_PUT(msg, NL80211_ATTR_AKM_SUITES,
7165 num_suites * sizeof(u32), suites);
7166 }
7167
9f12614b
JB		 7168 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X &&
7169 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40))
7170 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT);
7171
b92e08fc
JM		 7172 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
7173 params->pairwise_ciphers);
de4ed4a8
JM		 7174 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
7175 suites, ARRAY_SIZE(suites));
b11d1d64
JM		 7176 if (num_suites) {
7177 NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
7178 num_suites * sizeof(u32), suites);
7179 }
7180
b92e08fc
JM		 7181 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
7182 params->group_cipher);
de4ed4a8
JM		 7183 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
7184 if (suite)
7185 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite);
d2440ba0 7186
fb91db56 7187 if (params->beacon_ies) {
b92e08fc
JM		 7188 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
7189 params->beacon_ies);
fb91db56
JM		 7190 NLA_PUT(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies),
7191 wpabuf_head(params->beacon_ies));
7192 }
7193 if (params->proberesp_ies) {
b92e08fc
JM		 7194 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
7195 params->proberesp_ies);
fb91db56
JM		 7196 NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP,
7197 wpabuf_len(params->proberesp_ies),
7198 wpabuf_head(params->proberesp_ies));
7199 }
7200 if (params->assocresp_ies) {
b92e08fc
JM		 7201 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
7202 params->assocresp_ies);
fb91db56
JM		 7203 NLA_PUT(msg, NL80211_ATTR_IE_ASSOC_RESP,
7204 wpabuf_len(params->assocresp_ies),
7205 wpabuf_head(params->assocresp_ies));
7206 }
7207
a0133ee1 7208 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
b92e08fc
JM		 7209 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
7210 params->ap_max_inactivity);
a0133ee1
VT		 7211 NLA_PUT_U16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
7212 params->ap_max_inactivity);
7213 }
7214
d2440ba0
JM		 7215 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7216 if (ret) {
7217 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
7218 ret, strerror(-ret));
b4fd6fab 7219 } else {
b4fd6fab 7220 bss->beacon_set = 1;
31357268 7221 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 7222 params->short_slot_time, params->ht_opmode,
e5693c47 7223 params->isolate, params->basic_rates);
b4fd6fab 7224 }
d2440ba0
JM		 7225 return ret;
7226 nla_put_failure:
5883168a 7227 nlmsg_free(msg);
d2440ba0
JM		 7228 return -ENOBUFS;
7229}
7230
7231
1c4ffa87
AO		 7232static int nl80211_put_freq_params(struct nl_msg *msg,
7233 struct hostapd_freq_params *freq)
1581b38b 7234{
89b800d7
JB		 7235 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq);
7236 if (freq->vht_enabled) {
7237 switch (freq->bandwidth) {
7238 case 20:
7239 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
7240 NL80211_CHAN_WIDTH_20);
7241 break;
7242 case 40:
7243 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
7244 NL80211_CHAN_WIDTH_40);
7245 break;
7246 case 80:
7247 if (freq->center_freq2)
7248 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
7249 NL80211_CHAN_WIDTH_80P80);
7250 else
7251 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
7252 NL80211_CHAN_WIDTH_80);
7253 break;
7254 case 160:
7255 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
7256 NL80211_CHAN_WIDTH_160);
7257 break;
7258 default:
1c4ffa87 7259 return -EINVAL;
89b800d7
JB		 7260 }
7261 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1);
7262 if (freq->center_freq2)
7263 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2,
7264 freq->center_freq2);
7265 } else if (freq->ht_enabled) {
7266 switch (freq->sec_channel_offset) {
f019981a
JM		 7267 case -1:
7268 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
7269 NL80211_CHAN_HT40MINUS);
7270 break;
7271 case 1:
7272 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
7273 NL80211_CHAN_HT40PLUS);
7274 break;
7275 default:
7276 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
7277 NL80211_CHAN_HT20);
7278 break;
7279 }
7280 }
1c4ffa87
AO		 7281 return 0;
7282
7283nla_put_failure:
7284 return -ENOBUFS;
7285}
7286
7287
7288static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
7289 struct hostapd_freq_params *freq)
7290{
7291 struct wpa_driver_nl80211_data *drv = bss->drv;
7292 struct nl_msg *msg;
7293 int ret;
7294
7295 wpa_printf(MSG_DEBUG,
7296 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
7297 freq->freq, freq->ht_enabled, freq->vht_enabled,
7298 freq->bandwidth, freq->center_freq1, freq->center_freq2);
7299 msg = nlmsg_alloc();
7300 if (!msg)
7301 return -1;
7302
7303 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
7304
7305 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7306 if (nl80211_put_freq_params(msg, freq) < 0)
7307 goto nla_put_failure;
1581b38b 7308
d2440ba0 7309 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 7310 msg = NULL;
e4fb2167 7311 if (ret == 0) {
89b800d7 7312 bss->freq = freq->freq;
1581b38b 7313 return 0;
e4fb2167 7314 }
f019981a 7315 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 7316 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b 7317nla_put_failure:
5883168a 7318 nlmsg_free(msg);
1581b38b
JM		 7319 return -1;
7320}
7321
0f4e8b4f 7322
95ab6063
AN		 7323static u32 sta_flags_nl80211(int flags)
7324{
7325 u32 f = 0;
7326
7327 if (flags & WPA_STA_AUTHORIZED)
7328 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
7329 if (flags & WPA_STA_WMM)
7330 f |= BIT(NL80211_STA_FLAG_WME);
7331 if (flags & WPA_STA_SHORT_PREAMBLE)
7332 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
7333 if (flags & WPA_STA_MFP)
7334 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 7335 if (flags & WPA_STA_TDLS_PEER)
7336 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
95ab6063
AN		 7337
7338 return f;
7339}
7340
7341
62847751 7342static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 7343 struct hostapd_sta_add_params *params)
7344{
a2e40bb6
FF		 7345 struct i802_bss *bss = priv;
7346 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8 7347 struct nl_msg *msg;
95ab6063 7348 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 7349 int ret = -ENOBUFS;
7350
45b722f1
AN		 7351 if ((params->flags & WPA_STA_TDLS_PEER) &&
7352 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7353 return -EOPNOTSUPP;
7354
0f4e8b4f
JM		 7355 msg = nlmsg_alloc();
7356 if (!msg)
7357 return -ENOMEM;
7358
e4dea253
JM		 7359 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
7360 params->set ? "Set" : "Add", MAC2STR(params->addr));
45b722f1
AN		 7361 nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION :
7362 NL80211_CMD_NEW_STATION);
0f4e8b4f 7363
62847751 7364 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
0f4e8b4f 7365 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr);
0f4e8b4f
JM		 7366 NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len,
7367 params->supp_rates);
e4dea253
JM		 7368 wpa_hexdump(MSG_DEBUG, " * supported rates", params->supp_rates,
7369 params->supp_rates_len);
45b722f1 7370 if (!params->set) {
f11b72c3
JM		 7371 if (params->aid) {
7372 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
7373 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid);
7374 } else {
7375 /*
7376 * cfg80211 validates that AID is non-zero, so we have
7377 * to make this a non-zero value for the TDLS case where
7378 * a dummy STA entry is used for now.
7379 */
7380 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
7381 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, 1);
7382 }
e4dea253
JM		 7383 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
7384 params->listen_interval);
45b722f1
AN		 7385 NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
7386 params->listen_interval);
e112764e
JM		 7387 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
7388 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
7389 NLA_PUT_U16(msg, NL80211_ATTR_PEER_AID, params->aid);
45b722f1 7390 }
0f4e8b4f 7391 if (params->ht_capabilities) {
e4dea253
JM		 7392 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
7393 (u8 *) params->ht_capabilities,
7394 sizeof(*params->ht_capabilities));
0f4e8b4f 7395 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY,
fc4e2d95
JM		 7396 sizeof(*params->ht_capabilities),
7397 params->ht_capabilities);
0f4e8b4f 7398 }
0f4e8b4f 7399
05a8d422 7400 if (params->vht_capabilities) {
e4dea253
JM		 7401 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
7402 (u8 *) params->vht_capabilities,
7403 sizeof(*params->vht_capabilities));
05a8d422
JB		 7404 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY,
7405 sizeof(*params->vht_capabilities),
7406 params->vht_capabilities);
7407 }
7408
8a458116
MK		 7409 if (params->vht_opmode_enabled) {
7410 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
7411 NLA_PUT_U8(msg, NL80211_ATTR_OPMODE_NOTIF,
7412 params->vht_opmode);
7413 }
7414
122d16f2
SD		 7415 wpa_printf(MSG_DEBUG, " * capability=0x%x", params->capability);
7416 NLA_PUT_U16(msg, NL80211_ATTR_STA_CAPABILITY, params->capability);
7417
7418 if (params->ext_capab) {
7419 wpa_hexdump(MSG_DEBUG, " * ext_capab",
7420 params->ext_capab, params->ext_capab_len);
7421 NLA_PUT(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
7422 params->ext_capab_len, params->ext_capab);
7423 }
7424
efc64886
SD		 7425 if (params->supp_channels) {
7426 wpa_hexdump(MSG_DEBUG, " * supported channels",
7427 params->supp_channels, params->supp_channels_len);
7428 NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
7429 params->supp_channels_len, params->supp_channels);
7430 }
7431
7432 if (params->supp_oper_classes) {
7433 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
7434 params->supp_oper_classes,
7435 params->supp_oper_classes_len);
7436 NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
7437 params->supp_oper_classes_len,
7438 params->supp_oper_classes);
7439 }
7440
95ab6063
AN		 7441 os_memset(&upd, 0, sizeof(upd));
7442 upd.mask = sta_flags_nl80211(params->flags);
7443 upd.set = upd.mask;
e4dea253
JM		 7444 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
7445 upd.set, upd.mask);
95ab6063
AN		 7446 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
7447
774bfa62 7448 if (params->flags & WPA_STA_WMM) {
8970bae8
JB		 7449 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
7450
774bfa62
EP		 7451 if (!wme)
7452 goto nla_put_failure;
7453
e4dea253 7454 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
8970bae8 7455 NLA_PUT_U8(msg, NL80211_STA_WME_UAPSD_QUEUES,
5d061637 7456 params->qosinfo & WMM_QOSINFO_STA_AC_MASK);
8970bae8 7457 NLA_PUT_U8(msg, NL80211_STA_WME_MAX_SP,
bdaf1748 7458 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
5d061637 7459 WMM_QOSINFO_STA_SP_MASK);
8970bae8 7460 nla_nest_end(msg, wme);
774bfa62
EP		 7461 }
7462
0f4e8b4f 7463 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 7464 msg = NULL;
0f4e8b4f 7465 if (ret)
45b722f1
AN		 7466 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
7467 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
7468 strerror(-ret));
0f4e8b4f
JM		 7469 if (ret == -EEXIST)
7470 ret = 0;
7471 nla_put_failure:
5883168a 7472 nlmsg_free(msg);
0f4e8b4f
JM		 7473 return ret;
7474}
7475
7476
9ebce9c5 7477static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr)
0f4e8b4f 7478{
a2e40bb6 7479 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 7480 struct nl_msg *msg;
7481 int ret;
7482
7483 msg = nlmsg_alloc();
7484 if (!msg)
7485 return -ENOMEM;
7486
9fb04070 7487 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
0f4e8b4f
JM		 7488
7489 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 7490 if_nametoindex(bss->ifname));
0f4e8b4f
JM		 7491 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7492
7493 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
83e7bb0e
JM		 7494 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
7495 " --> %d (%s)",
7496 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
0f4e8b4f
JM		 7497 if (ret == -ENOENT)
7498 return 0;
7499 return ret;
7500 nla_put_failure:
5883168a 7501 nlmsg_free(msg);
0f4e8b4f
JM		 7502 return -ENOBUFS;
7503}
7504
1581b38b 7505
0915d02c
JM		 7506static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
7507 int ifidx)
7508{
7509 struct nl_msg *msg;
7510
c6e8e8e4
JM		 7511 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
7512
2135f224
JM		 7513 /* stop listening for EAPOL on this interface */
7514 del_ifidx(drv, ifidx);
2135f224 7515
0915d02c
JM		 7516 msg = nlmsg_alloc();
7517 if (!msg)
7518 goto nla_put_failure;
7519
9fb04070 7520 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 7521 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx);
7522
7523 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
7524 return;
5883168a 7525 msg = NULL;
0915d02c 7526 nla_put_failure:
5883168a 7527 nlmsg_free(msg);
e748062b 7528 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 7529}
7530
7531
a1922f93
JM		 7532static const char * nl80211_iftype_str(enum nl80211_iftype mode)
7533{
7534 switch (mode) {
7535 case NL80211_IFTYPE_ADHOC:
7536 return "ADHOC";
7537 case NL80211_IFTYPE_STATION:
7538 return "STATION";
7539 case NL80211_IFTYPE_AP:
7540 return "AP";
1045ec36
JM		 7541 case NL80211_IFTYPE_AP_VLAN:
7542 return "AP_VLAN";
7543 case NL80211_IFTYPE_WDS:
7544 return "WDS";
a1922f93
JM		 7545 case NL80211_IFTYPE_MONITOR:
7546 return "MONITOR";
1045ec36
JM		 7547 case NL80211_IFTYPE_MESH_POINT:
7548 return "MESH_POINT";
a1922f93
JM		 7549 case NL80211_IFTYPE_P2P_CLIENT:
7550 return "P2P_CLIENT";
7551 case NL80211_IFTYPE_P2P_GO:
7552 return "P2P_GO";
7aad838c
NS		 7553 case NL80211_IFTYPE_P2P_DEVICE:
7554 return "P2P_DEVICE";
a1922f93
JM		 7555 default:
7556 return "unknown";
7557 }
7558}
7559
7560
a35187e7
KH		 7561static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
7562 const char *ifname,
7563 enum nl80211_iftype iftype,
d6dcfcda
DS		 7564 const u8 *addr, int wds,
7565 int (*handler)(struct nl_msg *, void *),
7566 void *arg)
0915d02c 7567{
8970bae8 7568 struct nl_msg *msg;
0915d02c
JM		 7569 int ifidx;
7570 int ret = -ENOBUFS;
7571
a1922f93
JM		 7572 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
7573 iftype, nl80211_iftype_str(iftype));
7574
0915d02c
JM		 7575 msg = nlmsg_alloc();
7576 if (!msg)
7577 return -1;
7578
9fb04070 7579 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_INTERFACE);
834ee56f 7580 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
fa93de40 7581 goto nla_put_failure;
0915d02c
JM		 7582 NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname);
7583 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype);
7584
7585 if (iftype == NL80211_IFTYPE_MONITOR) {
8970bae8 7586 struct nlattr *flags;
0915d02c 7587
8970bae8 7588 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
0915d02c
JM		 7589 if (!flags)
7590 goto nla_put_failure;
7591
8970bae8 7592 NLA_PUT_FLAG(msg, NL80211_MNTR_FLAG_COOK_FRAMES);
0915d02c 7593
8970bae8 7594 nla_nest_end(msg, flags);
fbbfcbac
FF		 7595 } else if (wds) {
7596 NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds);
0915d02c
JM		 7597 }
7598
d6dcfcda 7599 ret = send_and_recv_msgs(drv, msg, handler, arg);
5883168a 7600 msg = NULL;
0915d02c
JM		 7601 if (ret) {
7602 nla_put_failure:
5883168a 7603 nlmsg_free(msg);
a35187e7
KH		 7604 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
7605 ifname, ret, strerror(-ret));
0915d02c
JM		 7606 return ret;
7607 }
7608
f632e483 7609 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6bae92e0 7610 return 0;
6bae92e0 7611
0915d02c 7612 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 7613 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
7614 ifname, ifidx);
0915d02c
JM		 7615
7616 if (ifidx <= 0)
7617 return -1;
7618
2135f224
JM		 7619 /* start listening for EAPOL on this interface */
7620 add_ifidx(drv, ifidx);
7621
7bfc47c3 7622 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 7623 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 7624 nl80211_remove_iface(drv, ifidx);
7625 return -1;
2135f224 7626 }
2135f224 7627
0915d02c
JM		 7628 return ifidx;
7629}
22a7c9d7
JM		 7630
7631
a35187e7
KH		 7632static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
7633 const char *ifname, enum nl80211_iftype iftype,
d6dcfcda
DS		 7634 const u8 *addr, int wds,
7635 int (*handler)(struct nl_msg *, void *),
2aec4f3c 7636 void *arg, int use_existing)
a35187e7
KH		 7637{
7638 int ret;
7639
d6dcfcda
DS		 7640 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
7641 arg);
a35187e7 7642
ffbf1eaa 7643 /* if error occurred and interface exists already */
a35187e7 7644 if (ret == -ENFILE && if_nametoindex(ifname)) {
2aec4f3c
JM		 7645 if (use_existing) {
7646 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
7647 ifname);
7648 return -ENFILE;
7649 }
a35187e7
KH		 7650 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
7651
7652 /* Try to remove the interface that was already there. */
7653 nl80211_remove_iface(drv, if_nametoindex(ifname));
7654
7655 /* Try to create the interface again */
fbbfcbac 7656 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
d6dcfcda 7657 wds, handler, arg);
a35187e7
KH		 7658 }
7659
6a71413e 7660 if (ret >= 0 && is_p2p_net_interface(iftype))
4e5cb1a3
JM		 7661 nl80211_disable_11b_rates(drv, ret, 1);
7662
a35187e7
KH		 7663 return ret;
7664}
0915d02c 7665
2135f224 7666
0915d02c
JM		 7667static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok)
7668{
7669 struct ieee80211_hdr *hdr;
f8b1f695
JM		 7670 u16 fc;
7671 union wpa_event_data event;
0915d02c
JM		 7672
7673 hdr = (struct ieee80211_hdr *) buf;
7674 fc = le_to_host16(hdr->frame_control);
7675
f8b1f695
JM		 7676 os_memset(&event, 0, sizeof(event));
7677 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
7678 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
7679 event.tx_status.dst = hdr->addr1;
7680 event.tx_status.data = buf;
7681 event.tx_status.data_len = len;
7682 event.tx_status.ack = ok;
7683 wpa_supplicant_event(ctx, EVENT_TX_STATUS, &event);
0915d02c
JM		 7684}
7685
7686
4b9841d3 7687static void from_unknown_sta(struct wpa_driver_nl80211_data *drv,
0d9fc3d8 7688 u8 *buf, size_t len)
0915d02c 7689{
9b90955e
JB		 7690 struct ieee80211_hdr *hdr = (void *)buf;
7691 u16 fc;
f8b1f695 7692 union wpa_event_data event;
9b90955e
JB		 7693
7694 if (len < sizeof(*hdr))
7695 return;
7696
7697 fc = le_to_host16(hdr->frame_control);
7698
f8b1f695 7699 os_memset(&event, 0, sizeof(event));
9b90955e
JB		 7700 event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len);
7701 event.rx_from_unknown.addr = hdr->addr2;
7702 event.rx_from_unknown.wds = (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) ==
7703 (WLAN_FC_FROMDS | WLAN_FC_TODS);
f8b1f695 7704 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
4b9841d3 7705}
0915d02c 7706
4b9841d3
JM		 7707
7708static void handle_frame(struct wpa_driver_nl80211_data *drv,
2a8b7416 7709 u8 *buf, size_t len, int datarate, int ssi_signal)
4b9841d3
JM		 7710{
7711 struct ieee80211_hdr *hdr;
f8b1f695
JM		 7712 u16 fc;
7713 union wpa_event_data event;
0915d02c
JM		 7714
7715 hdr = (struct ieee80211_hdr *) buf;
7716 fc = le_to_host16(hdr->frame_control);
0915d02c 7717
4b9841d3 7718 switch (WLAN_FC_GET_TYPE(fc)) {
0915d02c 7719 case WLAN_FC_TYPE_MGMT:
f8b1f695
JM		 7720 os_memset(&event, 0, sizeof(event));
7721 event.rx_mgmt.frame = buf;
7722 event.rx_mgmt.frame_len = len;
2a8b7416
JM		 7723 event.rx_mgmt.datarate = datarate;
7724 event.rx_mgmt.ssi_signal = ssi_signal;
f8b1f695 7725 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
0915d02c
JM		 7726 break;
7727 case WLAN_FC_TYPE_CTRL:
7728 /* can only get here with PS-Poll frames */
7729 wpa_printf(MSG_DEBUG, "CTRL");
0d9fc3d8 7730 from_unknown_sta(drv, buf, len);
0915d02c
JM		 7731 break;
7732 case WLAN_FC_TYPE_DATA:
0d9fc3d8 7733 from_unknown_sta(drv, buf, len);
0915d02c
JM		 7734 break;
7735 }
7736}
7737
7738
7739static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
7740{
7741 struct wpa_driver_nl80211_data *drv = eloop_ctx;
7742 int len;
7743 unsigned char buf[3000];
7744 struct ieee80211_radiotap_iterator iter;
7745 int ret;
2a8b7416 7746 int datarate = 0, ssi_signal = 0;
4b9841d3 7747 int injected = 0, failed = 0, rxflags = 0;
0915d02c
JM		 7748
7749 len = recv(sock, buf, sizeof(buf), 0);
7750 if (len < 0) {
7ac3616d
JM		 7751 wpa_printf(MSG_ERROR, "nl80211: Monitor socket recv failed: %s",
7752 strerror(errno));
0915d02c
JM		 7753 return;
7754 }
7755
7756 if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) {
7ac3616d 7757 wpa_printf(MSG_INFO, "nl80211: received invalid radiotap frame");
0915d02c
JM		 7758 return;
7759 }
7760
0915d02c
JM		 7761 while (1) {
7762 ret = ieee80211_radiotap_iterator_next(&iter);
7763 if (ret == -ENOENT)
7764 break;
7765 if (ret) {
7ac3616d
JM		 7766 wpa_printf(MSG_INFO, "nl80211: received invalid radiotap frame (%d)",
7767 ret);
0915d02c
JM		 7768 return;
7769 }
7770 switch (iter.this_arg_index) {
7771 case IEEE80211_RADIOTAP_FLAGS:
7772 if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS)
7773 len -= 4;
7774 break;
7775 case IEEE80211_RADIOTAP_RX_FLAGS:
7776 rxflags = 1;
7777 break;
7778 case IEEE80211_RADIOTAP_TX_FLAGS:
7779 injected = 1;
7780 failed = le_to_host16((*(uint16_t *) iter.this_arg)) &
7781 IEEE80211_RADIOTAP_F_TX_FAIL;
7782 break;
7783 case IEEE80211_RADIOTAP_DATA_RETRIES:
7784 break;
7785 case IEEE80211_RADIOTAP_CHANNEL:
2a8b7416 7786 /* TODO: convert from freq/flags to channel number */
0915d02c
JM		 7787 break;
7788 case IEEE80211_RADIOTAP_RATE:
2a8b7416 7789 datarate = *iter.this_arg * 5;
0915d02c 7790 break;
baf513d6
JB		 7791 case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
7792 ssi_signal = (s8) *iter.this_arg;
0915d02c
JM		 7793 break;
7794 }
7795 }
7796
7797 if (rxflags && injected)
7798 return;
7799
7800 if (!injected)
4b9841d3 7801 handle_frame(drv, buf + iter.max_length,
2a8b7416 7802 len - iter.max_length, datarate, ssi_signal);
0915d02c 7803 else
4b9841d3
JM		 7804 handle_tx_callback(drv->ctx, buf + iter.max_length,
7805 len - iter.max_length, !failed);
0915d02c
JM		 7806}
7807
7808
7809/*
7810 * we post-process the filter code later and rewrite
7811 * this to the offset to the last instruction
7812 */
7813#define PASS 0xFF
7814#define FAIL 0xFE
7815
7816static struct sock_filter msock_filter_insns[] = {
7817 /*
7818 * do a little-endian load of the radiotap length field
7819 */
7820 /* load lower byte into A */
7821 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
7822 /* put it into X (== index register) */
7823 BPF_STMT(BPF_MISC| BPF_TAX, 0),
7824 /* load upper byte into A */
7825 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 3),
7826 /* left-shift it by 8 */
7827 BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 8),
7828 /* or with X */
7829 BPF_STMT(BPF_ALU | BPF_OR | BPF_X, 0),
7830 /* put result into X */
7831 BPF_STMT(BPF_MISC| BPF_TAX, 0),
7832
7833 /*
7834 * Allow management frames through, this also gives us those
7835 * management frames that we sent ourselves with status
7836 */
7837 /* load the lower byte of the IEEE 802.11 frame control field */
7838 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7839 /* mask off frame type and version */
7840 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xF),
7841 /* accept frame if it's both 0, fall through otherwise */
7842 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, PASS, 0),
7843
7844 /*
7845 * TODO: add a bit to radiotap RX flags that indicates
7846 * that the sending station is not associated, then
7847 * add a filter here that filters on our DA and that flag
7848 * to allow us to deauth frames to that bad station.
7849 *
65ae1afd 7850 * For now allow all To DS data frames through.
0915d02c 7851 */
65ae1afd
HS		 7852 /* load the IEEE 802.11 frame control field */
7853 BPF_STMT(BPF_LD | BPF_H | BPF_IND, 0),
7854 /* mask off frame type, version and DS status */
7855 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03),
7856 /* accept frame if version 0, type 2 and To DS, fall through otherwise
7857 */
7858 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0),
0915d02c
JM		 7859
7860#if 0
7861 /*
fbbfcbac 7862 * drop non-data frames
0915d02c
JM		 7863 */
7864 /* load the lower byte of the frame control field */
7865 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7866 /* mask off QoS bit */
7867 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c),
7868 /* drop non-data frames */
7869 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL),
fbbfcbac 7870#endif
0915d02c 7871 /* load the upper byte of the frame control field */
fbbfcbac 7872 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1),
0915d02c
JM		 7873 /* mask off toDS/fromDS */
7874 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03),
fbbfcbac
FF		 7875 /* accept WDS frames */
7876 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, PASS, 0),
0915d02c
JM		 7877
7878 /*
7879 * add header length to index
7880 */
7881 /* load the lower byte of the frame control field */
7882 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
7883 /* mask off QoS bit */
7884 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x80),
7885 /* right shift it by 6 to give 0 or 2 */
7886 BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 6),
7887 /* add data frame header length */
7888 BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 24),
7889 /* add index, was start of 802.11 header */
7890 BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
7891 /* move to index, now start of LL header */
7892 BPF_STMT(BPF_MISC | BPF_TAX, 0),
7893
7894 /*
7895 * Accept empty data frames, we use those for
7896 * polling activity.
7897 */
7898 BPF_STMT(BPF_LD | BPF_W | BPF_LEN, 0),
7899 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, PASS, 0),
7900
7901 /*
7902 * Accept EAPOL frames
7903 */
7904 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0),
7905 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0xAAAA0300, 0, FAIL),
7906 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 4),
7907 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0000888E, PASS, FAIL),
7908
7909 /* keep these last two statements or change the code below */
7910 /* return 0 == "DROP" */
7911 BPF_STMT(BPF_RET | BPF_K, 0),
7912 /* return ~0 == "keep all" */
7913 BPF_STMT(BPF_RET | BPF_K, ~0),
7914};
7915
7916static struct sock_fprog msock_filter = {
e7ecab4a 7917 .len = ARRAY_SIZE(msock_filter_insns),
0915d02c
JM		 7918 .filter = msock_filter_insns,
7919};
7920
7921
7922static int add_monitor_filter(int s)
7923{
7924 int idx;
7925
7926 /* rewrite all PASS/FAIL jump offsets */
7927 for (idx = 0; idx < msock_filter.len; idx++) {
7928 struct sock_filter *insn = &msock_filter_insns[idx];
7929
7930 if (BPF_CLASS(insn->code) == BPF_JMP) {
7931 if (insn->code == (BPF_JMP|BPF_JA)) {
7932 if (insn->k == PASS)
7933 insn->k = msock_filter.len - idx - 2;
7934 else if (insn->k == FAIL)
7935 insn->k = msock_filter.len - idx - 3;
7936 }
7937
7938 if (insn->jt == PASS)
7939 insn->jt = msock_filter.len - idx - 2;
7940 else if (insn->jt == FAIL)
7941 insn->jt = msock_filter.len - idx - 3;
7942
7943 if (insn->jf == PASS)
7944 insn->jf = msock_filter.len - idx - 2;
7945 else if (insn->jf == FAIL)
7946 insn->jf = msock_filter.len - idx - 3;
7947 }
7948 }
7949
7950 if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER,
7951 &msock_filter, sizeof(msock_filter))) {
7ac3616d
JM		 7952 wpa_printf(MSG_ERROR, "nl80211: setsockopt(SO_ATTACH_FILTER) failed: %s",
7953 strerror(errno));
0915d02c
JM		 7954 return -1;
7955 }
7956
7957 return 0;
7958}
7959
7960
460456f8
JM		 7961static void nl80211_remove_monitor_interface(
7962 struct wpa_driver_nl80211_data *drv)
7963{
748c0ac0
JM		 7964 if (drv->monitor_refcount > 0)
7965 drv->monitor_refcount--;
7966 wpa_printf(MSG_DEBUG, "nl80211: Remove monitor interface: refcount=%d",
7967 drv->monitor_refcount);
3fd1cefb
JB		 7968 if (drv->monitor_refcount > 0)
7969 return;
7970
460456f8
JM		 7971 if (drv->monitor_ifidx >= 0) {
7972 nl80211_remove_iface(drv, drv->monitor_ifidx);
7973 drv->monitor_ifidx = -1;
7974 }
504e905c
JM		 7975 if (drv->monitor_sock >= 0) {
7976 eloop_unregister_read_sock(drv->monitor_sock);
7977 close(drv->monitor_sock);
7978 drv->monitor_sock = -1;
7979 }
460456f8
JM		 7980}
7981
7982
0915d02c
JM		 7983static int
7984nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv)
7985{
7986 char buf[IFNAMSIZ];
7987 struct sockaddr_ll ll;
7988 int optval;
7989 socklen_t optlen;
0915d02c 7990
3fd1cefb
JB		 7991 if (drv->monitor_ifidx >= 0) {
7992 drv->monitor_refcount++;
748c0ac0
JM		 7993 wpa_printf(MSG_DEBUG, "nl80211: Re-use existing monitor interface: refcount=%d",
7994 drv->monitor_refcount);
3fd1cefb
JB		 7995 return 0;
7996 }
7997
834ee56f 7998 if (os_strncmp(drv->first_bss->ifname, "p2p-", 4) == 0) {
6758b167
JJ		 7999 /*
8000 * P2P interface name is of the format p2p-%s-%d. For monitor
8001 * interface name corresponding to P2P GO, replace "p2p-" with
8002 * "mon-" to retain the same interface name length and to
8003 * indicate that it is a monitor interface.
8004 */
834ee56f 8005 snprintf(buf, IFNAMSIZ, "mon-%s", drv->first_bss->ifname + 4);
6758b167
JJ		 8006 } else {
8007 /* Non-P2P interface with AP functionality. */
834ee56f 8008 snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss->ifname);
6758b167
JJ		 8009 }
8010
0915d02c
JM		 8011 buf[IFNAMSIZ - 1] = '\0';
8012
8013 drv->monitor_ifidx =
fbbfcbac 8014 nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL,
2aec4f3c 8015 0, NULL, NULL, 0);
0915d02c 8016
866af8b6 8017 if (drv->monitor_ifidx == -EOPNOTSUPP) {
61cbe2ff
JB		 8018 /*
8019 * This is backward compatibility for a few versions of
8020 * the kernel only that didn't advertise the right
8021 * attributes for the only driver that then supported
8022 * AP mode w/o monitor -- ath6kl.
8023 */
866af8b6
JM		 8024 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support "
8025 "monitor interface type - try to run without it");
61cbe2ff 8026 drv->device_ap_sme = 1;
866af8b6
JM		 8027 }
8028
0915d02c
JM		 8029 if (drv->monitor_ifidx < 0)
8030 return -1;
8031
c81eff1a 8032 if (linux_set_iface_flags(drv->global->ioctl_sock, buf, 1))
0915d02c 8033 goto error;
0915d02c
JM		 8034
8035 memset(&ll, 0, sizeof(ll));
8036 ll.sll_family = AF_PACKET;
8037 ll.sll_ifindex = drv->monitor_ifidx;
8038 drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
8039 if (drv->monitor_sock < 0) {
7ac3616d
JM		 8040 wpa_printf(MSG_ERROR, "nl80211: socket[PF_PACKET,SOCK_RAW] failed: %s",
8041 strerror(errno));
0915d02c
JM		 8042 goto error;
8043 }
8044
8045 if (add_monitor_filter(drv->monitor_sock)) {
8046 wpa_printf(MSG_INFO, "Failed to set socket filter for monitor "
8047 "interface; do filtering in user space");
8048 /* This works, but will cost in performance. */
8049 }
8050
2135f224 8051 if (bind(drv->monitor_sock, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
7ac3616d
JM		 8052 wpa_printf(MSG_ERROR, "nl80211: monitor socket bind failed: %s",
8053 strerror(errno));
0915d02c
JM		 8054 goto error;
8055 }
8056
8057 optlen = sizeof(optval);
8058 optval = 20;
8059 if (setsockopt
8060 (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) {
7ac3616d
JM		 8061 wpa_printf(MSG_ERROR, "nl80211: Failed to set socket priority: %s",
8062 strerror(errno));
0915d02c
JM		 8063 goto error;
8064 }
8065
8066 if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read,
8067 drv, NULL)) {
7ac3616d 8068 wpa_printf(MSG_INFO, "nl80211: Could not register monitor read socket");
0915d02c
JM		 8069 goto error;
8070 }
8071
748c0ac0 8072 drv->monitor_refcount++;
0915d02c
JM		 8073 return 0;
8074 error:
460456f8 8075 nl80211_remove_monitor_interface(drv);
0915d02c
JM		 8076 return -1;
8077}
8078
db149ac9 8079
3fd1cefb
JB		 8080static int nl80211_setup_ap(struct i802_bss *bss)
8081{
8082 struct wpa_driver_nl80211_data *drv = bss->drv;
8083
748c0ac0
JM		 8084 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
8085 bss->ifname, drv->device_ap_sme, drv->use_monitor);
36488c05 8086
a11241fa
JB		 8087 /*
8088 * Disable Probe Request reporting unless we need it in this way for
8089 * devices that include the AP SME, in the other case (unless using
8090 * monitor iface) we'll get it through the nl_mgmt socket instead.
8091 */
8092 if (!drv->device_ap_sme)
8093 wpa_driver_nl80211_probe_req_report(bss, 0);
8094
8095 if (!drv->device_ap_sme && !drv->use_monitor)
8096 if (nl80211_mgmt_subscribe_ap(bss))
8097 return -1;
8098
a6cc0602
JM		 8099 if (drv->device_ap_sme && !drv->use_monitor)
8100 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
8101 return -1;
8102
a11241fa 8103 if (!drv->device_ap_sme && drv->use_monitor &&
3fd1cefb
JB		 8104 nl80211_create_monitor_interface(drv) &&
8105 !drv->device_ap_sme)
8106 return -1;
8107
8108 if (drv->device_ap_sme &&
8109 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
8110 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
8111 "Probe Request frame reporting in AP mode");
8112 /* Try to survive without this */
8113 }
8114
8115 return 0;
8116}
8117
8118
8119static void nl80211_teardown_ap(struct i802_bss *bss)
8120{
8121 struct wpa_driver_nl80211_data *drv = bss->drv;
8122
748c0ac0
JM		 8123 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
8124 bss->ifname, drv->device_ap_sme, drv->use_monitor);
a6cc0602 8125 if (drv->device_ap_sme) {
3fd1cefb 8126 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 8127 if (!drv->use_monitor)
8128 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
8129 } else if (drv->use_monitor)
3fd1cefb 8130 nl80211_remove_monitor_interface(drv);
a11241fa 8131 else
36488c05 8132 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 8133
3fd1cefb
JB		 8134 bss->beacon_set = 0;
8135}
8136
8137
f10bfc9a
JM		 8138static int nl80211_send_eapol_data(struct i802_bss *bss,
8139 const u8 *addr, const u8 *data,
d12dab4c 8140 size_t data_len)
f10bfc9a 8141{
d12dab4c
JB		 8142 struct sockaddr_ll ll;
8143 int ret;
8144
8145 if (bss->drv->eapol_tx_sock < 0) {
8146 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 8147 return -1;
8148 }
8149
d12dab4c
JB		 8150 os_memset(&ll, 0, sizeof(ll));
8151 ll.sll_family = AF_PACKET;
8152 ll.sll_ifindex = bss->ifindex;
8153 ll.sll_protocol = htons(ETH_P_PAE);
8154 ll.sll_halen = ETH_ALEN;
8155 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
8156 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
8157 (struct sockaddr *) &ll, sizeof(ll));
8158 if (ret < 0)
8159 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
8160 strerror(errno));
8161
8162 return ret;
f10bfc9a 8163}
5fb1a232 8164
f10bfc9a 8165
db149ac9
JM		 8166static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
8167
8168static int wpa_driver_nl80211_hapd_send_eapol(
8169 void *priv, const u8 *addr, const u8 *data,
4378fc14 8170 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 8171{
a2e40bb6
FF		 8172 struct i802_bss *bss = priv;
8173 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 8174 struct ieee80211_hdr *hdr;
8175 size_t len;
8176 u8 *pos;
8177 int res;
4378fc14 8178 int qos = flags & WPA_STA_WMM;
db149ac9 8179
a11241fa 8180 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 8181 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 8182
db149ac9
JM		 8183 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
8184 data_len;
8185 hdr = os_zalloc(len);
8186 if (hdr == NULL) {
7ac3616d
JM		 8187 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
8188 (unsigned long) len);
db149ac9
JM		 8189 return -1;
8190 }
8191
8192 hdr->frame_control =
8193 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
8194 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
8195 if (encrypt)
8196 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 8197 if (qos) {
8198 hdr->frame_control |=
8199 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
8200 }
db149ac9
JM		 8201
8202 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
8203 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
8204 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
8205 pos = (u8 *) (hdr + 1);
8206
db149ac9 8207 if (qos) {
92d521d8
FF		 8208 /* Set highest priority in QoS header */
8209 pos[0] = 7;
db149ac9
JM		 8210 pos[1] = 0;
8211 pos += 2;
8212 }
db149ac9
JM		 8213
8214 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
8215 pos += sizeof(rfc1042_header);
8216 WPA_PUT_BE16(pos, ETH_P_PAE);
8217 pos += 2;
8218 memcpy(pos, data, data_len);
8219
55231068
JM		 8220 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
8221 0, 0, 0, 0);
db149ac9
JM		 8222 if (res < 0) {
8223 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
8224 "failed: %d (%s)",
8225 (unsigned long) len, errno, strerror(errno));
8226 }
7bf12757 8227 os_free(hdr);
db149ac9
JM		 8228
8229 return res;
8230}
8231
a8d6ffa4 8232
3234cba4
JM		 8233static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
8234 int total_flags,
4c32757d 8235 int flags_or, int flags_and)
a8d6ffa4 8236{
a2e40bb6
FF		 8237 struct i802_bss *bss = priv;
8238 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 8239 struct nl_msg *msg;
8240 struct nlattr *flags;
7e76ee9c 8241 struct nl80211_sta_flag_update upd;
a8d6ffa4
JM		 8242
8243 msg = nlmsg_alloc();
8244 if (!msg)
8245 return -ENOMEM;
8246
9fb04070 8247 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
a8d6ffa4
JM		 8248
8249 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
3234cba4 8250 if_nametoindex(bss->ifname));
a8d6ffa4
JM		 8251 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
8252
7e76ee9c
JM		 8253 /*
8254 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
8255 * can be removed eventually.
8256 */
8970bae8
JB		 8257 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
8258 if (!flags)
8259 goto nla_put_failure;
0de39516 8260 if (total_flags & WPA_STA_AUTHORIZED)
8970bae8 8261 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_AUTHORIZED);
a8d6ffa4 8262
0de39516 8263 if (total_flags & WPA_STA_WMM)
8970bae8 8264 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_WME);
a8d6ffa4 8265
0de39516 8266 if (total_flags & WPA_STA_SHORT_PREAMBLE)
8970bae8 8267 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_SHORT_PREAMBLE);
a8d6ffa4 8268
0de39516 8269 if (total_flags & WPA_STA_MFP)
8970bae8 8270 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_MFP);
a8d6ffa4 8271
45b722f1 8272 if (total_flags & WPA_STA_TDLS_PEER)
8970bae8 8273 NLA_PUT_FLAG(msg, NL80211_STA_FLAG_TDLS_PEER);
45b722f1 8274
8970bae8 8275 nla_nest_end(msg, flags);
a8d6ffa4 8276
7e76ee9c
JM		 8277 os_memset(&upd, 0, sizeof(upd));
8278 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
8279 upd.set = sta_flags_nl80211(flags_or);
8280 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
8281
a8d6ffa4
JM		 8282 return send_and_recv_msgs(drv, msg, NULL, NULL);
8283 nla_put_failure:
5883168a 8284 nlmsg_free(msg);
a8d6ffa4
JM		 8285 return -ENOBUFS;
8286}
8287
0915d02c 8288
1581b38b
JM		 8289static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
8290 struct wpa_driver_associate_params *params)
8291{
708bc8e0 8292 enum nl80211_iftype nlmode, old_mode;
89b800d7
JB		 8293 struct hostapd_freq_params freq = {
8294 .freq = params->freq,
8295 };
b1f625e0
EP		 8296
8297 if (params->p2p) {
046b26a2
JM		 8298 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
8299 "group (GO)");
b1f625e0
EP		 8300 nlmode = NL80211_IFTYPE_P2P_GO;
8301 } else
8302 nlmode = NL80211_IFTYPE_AP;
8303
708bc8e0 8304 old_mode = drv->nlmode;
834ee56f 8305 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
708bc8e0
JM		 8306 nl80211_remove_monitor_interface(drv);
8307 return -1;
8308 }
8309
834ee56f 8310 if (wpa_driver_nl80211_set_freq(drv->first_bss, &freq)) {
708bc8e0 8311 if (old_mode != nlmode)
834ee56f 8312 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
460456f8 8313 nl80211_remove_monitor_interface(drv);
1581b38b 8314 return -1;
0915d02c 8315 }
1581b38b 8316
1581b38b
JM		 8317 return 0;
8318}
1581b38b
JM		 8319
8320
5cc4d64b
JM		 8321static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv)
8322{
8323 struct nl_msg *msg;
8324 int ret = -1;
8325
8326 msg = nlmsg_alloc();
8327 if (!msg)
8328 return -1;
8329
9fb04070 8330 nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b
JM		 8331 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8332 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8333 msg = NULL;
8334 if (ret) {
8335 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
8336 "(%s)", ret, strerror(-ret));
8337 goto nla_put_failure;
8338 }
8339
8340 ret = 0;
8341 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully");
8342
8343nla_put_failure:
834ee56f 8344 if (wpa_driver_nl80211_set_mode(drv->first_bss,
5d4c78fb
JM		 8345 NL80211_IFTYPE_STATION)) {
8346 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
8347 "station mode");
8348 }
8349
5cc4d64b
JM		 8350 nlmsg_free(msg);
8351 return ret;
8352}
8353
8354
8355static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
8356 struct wpa_driver_associate_params *params)
8357{
8358 struct nl_msg *msg;
8359 int ret = -1;
8360 int count = 0;
8361
8362 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
8363
834ee56f 8364 if (wpa_driver_nl80211_set_mode(drv->first_bss,
b1f625e0 8365 NL80211_IFTYPE_ADHOC)) {
5cc4d64b
JM		 8366 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
8367 "IBSS mode");
8368 return -1;
8369 }
8370
8371retry:
8372 msg = nlmsg_alloc();
8373 if (!msg)
8374 return -1;
8375
9fb04070 8376 nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_IBSS);
5cc4d64b
JM		 8377 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8378
8379 if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
8380 goto nla_put_failure;
8381
8382 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
8383 params->ssid, params->ssid_len);
8384 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
8385 params->ssid);
8386 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
8387 drv->ssid_len = params->ssid_len;
8388
8389 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
8390 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
8391
8f05577d
JM		 8392 if (params->beacon_int > 0) {
8393 wpa_printf(MSG_DEBUG, " * beacon_int=%d", params->beacon_int);
8394 NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL,
8395 params->beacon_int);
8396 }
8397
5cc4d64b
JM		 8398 ret = nl80211_set_conn_keys(params, msg);
8399 if (ret)
8400 goto nla_put_failure;
8401
913e3cf7
NC		 8402 if (params->bssid && params->fixed_bssid) {
8403 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
8404 MAC2STR(params->bssid));
8405 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
8406 }
8407
4848a38d
JM		 8408 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
8409 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
8410 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
8411 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
e640888c
AQ		 8412 wpa_printf(MSG_DEBUG, " * control port");
8413 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
8414 }
8415
a95795ad
JM		 8416 if (params->wpa_ie) {
8417 wpa_hexdump(MSG_DEBUG,
8418 " * Extra IEs for Beacon/Probe Response frames",
8419 params->wpa_ie, params->wpa_ie_len);
8420 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
8421 params->wpa_ie);
8422 }
8423
5cc4d64b
JM		 8424 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8425 msg = NULL;
8426 if (ret) {
8427 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
8428 ret, strerror(-ret));
8429 count++;
8430 if (ret == -EALREADY && count == 1) {
8431 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
8432 "forced leave");
8433 nl80211_leave_ibss(drv);
8434 nlmsg_free(msg);
8435 goto retry;
8436 }
8437
8438 goto nla_put_failure;
8439 }
8440 ret = 0;
8441 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully");
8442
8443nla_put_failure:
8444 nlmsg_free(msg);
8445 return ret;
8446}
8447
8448
a0bdd191
JM		 8449static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
8450 struct wpa_driver_associate_params *params,
8451 struct nl_msg *msg)
cfaab580 8452{
cfaab580 8453 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
a0bdd191 8454
cfaab580
ZY		 8455 if (params->bssid) {
8456 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
8457 MAC2STR(params->bssid));
8458 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
8459 }
a0bdd191 8460
7ac7fd43
DS		 8461 if (params->bssid_hint) {
8462 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
8463 MAC2STR(params->bssid_hint));
8464 NLA_PUT(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
8465 params->bssid_hint);
8466 }
8467
cfaab580
ZY		 8468 if (params->freq) {
8469 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
8470 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
30158a0d
SD		 8471 drv->assoc_freq = params->freq;
8472 } else
8473 drv->assoc_freq = 0;
a0bdd191 8474
7ac7fd43
DS		 8475 if (params->freq_hint) {
8476 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
8477 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
8478 params->freq_hint);
8479 }
8480
1f6c0ab8
BS		 8481 if (params->bg_scan_period >= 0) {
8482 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
8483 params->bg_scan_period);
8484 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
8485 params->bg_scan_period);
8486 }
a0bdd191 8487
cfaab580
ZY		 8488 if (params->ssid) {
8489 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
8490 params->ssid, params->ssid_len);
8491 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
8492 params->ssid);
8493 if (params->ssid_len > sizeof(drv->ssid))
8494 goto nla_put_failure;
8495 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
8496 drv->ssid_len = params->ssid_len;
8497 }
a0bdd191 8498
cfaab580
ZY		 8499 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
8500 if (params->wpa_ie)
8501 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
8502 params->wpa_ie);
8503
64fa840a
JM		 8504 if (params->wpa_proto) {
8505 enum nl80211_wpa_versions ver = 0;
cfaab580 8506
64fa840a
JM		 8507 if (params->wpa_proto & WPA_PROTO_WPA)
8508 ver |= NL80211_WPA_VERSION_1;
8509 if (params->wpa_proto & WPA_PROTO_RSN)
8510 ver |= NL80211_WPA_VERSION_2;
cfaab580 8511
64fa840a 8512 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
cfaab580
ZY		 8513 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
8514 }
8515
4848a38d 8516 if (params->pairwise_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 8517 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
8518 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
8519 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
cfaab580
ZY		 8520 }
8521
ae6f9272
JM		 8522 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
8523 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
8524 /*
8525 * This is likely to work even though many drivers do not
8526 * advertise support for operations without GTK.
8527 */
8528 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
8529 } else if (params->group_suite != WPA_CIPHER_NONE) {
a0bdd191
JM		 8530 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
8531 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
8532 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
cfaab580
ZY		 8533 }
8534
4848a38d
JM		 8535 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
8536 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
8537 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
8538 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
8539 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM) {
cfaab580
ZY		 8540 int mgmt = WLAN_AKM_SUITE_PSK;
8541
8542 switch (params->key_mgmt_suite) {
4848a38d 8543 case WPA_KEY_MGMT_CCKM:
369c8d7b
JM		 8544 mgmt = WLAN_AKM_SUITE_CCKM;
8545 break;
4848a38d 8546 case WPA_KEY_MGMT_IEEE8021X:
cfaab580
ZY		 8547 mgmt = WLAN_AKM_SUITE_8021X;
8548 break;
4848a38d 8549 case WPA_KEY_MGMT_FT_IEEE8021X:
6a1ce395
DG		 8550 mgmt = WLAN_AKM_SUITE_FT_8021X;
8551 break;
4848a38d 8552 case WPA_KEY_MGMT_FT_PSK:
6a1ce395
DG		 8553 mgmt = WLAN_AKM_SUITE_FT_PSK;
8554 break;
4848a38d 8555 case WPA_KEY_MGMT_PSK:
cfaab580
ZY		 8556 default:
8557 mgmt = WLAN_AKM_SUITE_PSK;
8558 break;
8559 }
8560 NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt);
8561 }
8562
a0bdd191
JM		 8563 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
8564
8b706a99
JM		 8565 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
8566 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
a565084f 8567
80e8a5ee
BG		 8568 if (params->disable_ht)
8569 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
8570
8571 if (params->htcaps && params->htcaps_mask) {
8572 int sz = sizeof(struct ieee80211_ht_capabilities);
8573 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
8574 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
8575 params->htcaps_mask);
8576 }
8577
e9ee8dc3
JB		 8578#ifdef CONFIG_VHT_OVERRIDES
8579 if (params->disable_vht) {
8580 wpa_printf(MSG_DEBUG, " * VHT disabled");
8581 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_VHT);
8582 }
8583
8584 if (params->vhtcaps && params->vhtcaps_mask) {
8585 int sz = sizeof(struct ieee80211_vht_capabilities);
8586 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps);
8587 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
8588 params->vhtcaps_mask);
8589 }
8590#endif /* CONFIG_VHT_OVERRIDES */
8591
a0bdd191
JM		 8592 if (params->p2p)
8593 wpa_printf(MSG_DEBUG, " * P2P group");
8594
8595 return 0;
8596nla_put_failure:
8597 return -1;
8598}
8599
8600
8601static int wpa_driver_nl80211_try_connect(
8602 struct wpa_driver_nl80211_data *drv,
8603 struct wpa_driver_associate_params *params)
8604{
8605 struct nl_msg *msg;
8606 enum nl80211_auth_type type;
8607 int ret;
8608 int algs;
8609
8610 msg = nlmsg_alloc();
8611 if (!msg)
8612 return -1;
8613
8614 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
8615 nl80211_cmd(drv, msg, 0, NL80211_CMD_CONNECT);
8616
8617 ret = nl80211_connect_common(drv, params, msg);
8618 if (ret)
8619 goto nla_put_failure;
8620
8621 algs = 0;
8622 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
8623 algs++;
8624 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
8625 algs++;
8626 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
8627 algs++;
8628 if (algs > 1) {
8629 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
8630 "selection");
8631 goto skip_auth_type;
8632 }
8633
8634 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
8635 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
8636 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
8637 type = NL80211_AUTHTYPE_SHARED_KEY;
8638 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
8639 type = NL80211_AUTHTYPE_NETWORK_EAP;
8640 else if (params->auth_alg & WPA_AUTH_ALG_FT)
8641 type = NL80211_AUTHTYPE_FT;
8642 else
8643 goto nla_put_failure;
8644
8645 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
8646 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
8647
8648skip_auth_type:
cfaab580
ZY		 8649 ret = nl80211_set_conn_keys(params, msg);
8650 if (ret)
8651 goto nla_put_failure;
8652
8653 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8654 msg = NULL;
8655 if (ret) {
8656 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
8657 "(%s)", ret, strerror(-ret));
8658 goto nla_put_failure;
8659 }
8660 ret = 0;
8661 wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully");
8662
8663nla_put_failure:
8664 nlmsg_free(msg);
8665 return ret;
8666
8667}
8668
8669
a8c5b43a
CW		 8670static int wpa_driver_nl80211_connect(
8671 struct wpa_driver_nl80211_data *drv,
8672 struct wpa_driver_associate_params *params)
8673{
8674 int ret = wpa_driver_nl80211_try_connect(drv, params);
8675 if (ret == -EALREADY) {
8676 /*
8677 * cfg80211 does not currently accept new connections if
8678 * we are already connected. As a workaround, force
8679 * disconnection and try again.
8680 */
8681 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
8682 "disconnecting before reassociation "
8683 "attempt");
8684 if (wpa_driver_nl80211_disconnect(
8685 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
8686 return -1;
a8c5b43a
CW		 8687 ret = wpa_driver_nl80211_try_connect(drv, params);
8688 }
8689 return ret;
8690}
8691
8692
c2a04078
JM		 8693static int wpa_driver_nl80211_associate(
8694 void *priv, struct wpa_driver_associate_params *params)
8695{
a2e40bb6
FF		 8696 struct i802_bss *bss = priv;
8697 struct wpa_driver_nl80211_data *drv = bss->drv;
a0bdd191 8698 int ret;
c2a04078
JM		 8699 struct nl_msg *msg;
8700
5cc4d64b 8701 if (params->mode == IEEE80211_MODE_AP)
1581b38b 8702 return wpa_driver_nl80211_ap(drv, params);
1581b38b 8703
5cc4d64b
JM		 8704 if (params->mode == IEEE80211_MODE_IBSS)
8705 return wpa_driver_nl80211_ibss(drv, params);
8706
4a867032 8707 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 8708 enum nl80211_iftype nlmode = params->p2p ?
8709 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
8710
8711 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 8712 return -1;
cfaab580 8713 return wpa_driver_nl80211_connect(drv, params);
4a867032 8714 }
cfaab580 8715
add9b7a4 8716 nl80211_mark_disconnected(drv);
c2a04078
JM		 8717
8718 msg = nlmsg_alloc();
8719 if (!msg)
8720 return -1;
8721
8722 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
8723 drv->ifindex);
9fb04070 8724 nl80211_cmd(drv, msg, 0, NL80211_CMD_ASSOCIATE);
c2a04078 8725
a0bdd191
JM		 8726 ret = nl80211_connect_common(drv, params, msg);
8727 if (ret)
8728 goto nla_put_failure;
01652550 8729
62fa124c
JM		 8730 if (params->prev_bssid) {
8731 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
8732 MAC2STR(params->prev_bssid));
8733 NLA_PUT(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
8734 params->prev_bssid);
8735 }
8736
c2a04078
JM		 8737 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8738 msg = NULL;
8739 if (ret) {
3b7ea880
BG		 8740 wpa_dbg(drv->ctx, MSG_DEBUG,
8741 "nl80211: MLME command failed (assoc): ret=%d (%s)",
8742 ret, strerror(-ret));
8856462d 8743 nl80211_dump_scan(drv);
c2a04078
JM		 8744 goto nla_put_failure;
8745 }
8746 ret = 0;
8747 wpa_printf(MSG_DEBUG, "nl80211: Association request send "
8748 "successfully");
8749
8750nla_put_failure:
8751 nlmsg_free(msg);
8752 return ret;
8753}
3f5285e8
JM		 8754
8755
ad1e68e6 8756static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 8757 int ifindex, enum nl80211_iftype mode)
3f5285e8 8758{
3f5285e8 8759 struct nl_msg *msg;
ad1e68e6
JM		 8760 int ret = -ENOBUFS;
8761
a1922f93
JM		 8762 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
8763 ifindex, mode, nl80211_iftype_str(mode));
8764
ad1e68e6
JM		 8765 msg = nlmsg_alloc();
8766 if (!msg)
8767 return -ENOMEM;
8768
9fb04070 8769 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE);
834ee56f 8770 if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
f632e483 8771 goto nla_put_failure;
ad1e68e6
JM		 8772 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
8773
8774 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8775 msg = NULL;
ad1e68e6
JM		 8776 if (!ret)
8777 return 0;
8778nla_put_failure:
5883168a 8779 nlmsg_free(msg);
ad1e68e6
JM		 8780 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
8781 " %d (%s)", ifindex, mode, ret, strerror(-ret));
8782 return ret;
8783}
8784
8785
b1f625e0
EP		 8786static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
8787 enum nl80211_iftype nlmode)
ad1e68e6 8788{
a2e40bb6 8789 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 8790 int ret = -1;
26af9dca 8791 int i;
86957e62 8792 int was_ap = is_ap_interface(drv->nlmode);
671a5039 8793 int res;
1581b38b 8794
671a5039 8795 res = nl80211_set_mode(drv, drv->ifindex, nlmode);
8e12685c
AS		 8796 if (res && nlmode == nl80211_get_ifmode(bss))
8797 res = 0;
8798
671a5039 8799 if (res == 0) {
ad1e68e6 8800 drv->nlmode = nlmode;
460456f8
JM		 8801 ret = 0;
8802 goto done;
ad1e68e6 8803 }
3f5285e8 8804
671a5039
JM		 8805 if (res == -ENODEV)
8806 return -1;
8807
460456f8 8808 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 8809 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
8810 "requested mode - ignore error");
460456f8
JM		 8811 ret = 0;
8812 goto done; /* Already in the requested mode */
8813 }
3f5285e8 8814
3f5285e8
JM		 8815 /* mac80211 doesn't allow mode changes while the device is up, so
8816 * take the device down, try to set the mode again, and bring the
8817 * device back up.
8818 */
26af9dca
JM		 8819 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
8820 "interface down");
8821 for (i = 0; i < 10; i++) {
91724d6f 8822 res = i802_set_iface_flags(bss, 0);
6e8183d7
JM		 8823 if (res == -EACCES || res == -ENODEV)
8824 break;
8825 if (res == 0) {
26af9dca
JM		 8826 /* Try to set the mode again while the interface is
8827 * down */
8828 ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
6e8183d7
JM		 8829 if (ret == -EACCES)
8830 break;
91724d6f 8831 res = i802_set_iface_flags(bss, 1);
6e8183d7 8832 if (res && !ret)
26af9dca 8833 ret = -1;
6e8183d7 8834 else if (ret != -EBUSY)
26af9dca
JM		 8835 break;
8836 } else
8837 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
8838 "interface down");
8839 os_sleep(0, 100000);
3f5285e8
JM		 8840 }
8841
c6e8e8e4
JM		 8842 if (!ret) {
8843 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
8844 "interface is down");
ad1e68e6 8845 drv->nlmode = nlmode;
7d9c3698 8846 drv->ignore_if_down_event = 1;
c6e8e8e4 8847 }
ad1e68e6 8848
460456f8 8849done:
3fd1cefb
JB		 8850 if (ret) {
8851 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
8852 "from %d failed", nlmode, drv->nlmode);
8853 return ret;
8854 }
8855
6a71413e 8856 if (is_p2p_net_interface(nlmode))
edb9bfba 8857 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1d0c6fb1
JM		 8858 else if (drv->disabled_11b_rates)
8859 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
edb9bfba 8860
3fd1cefb 8861 if (is_ap_interface(nlmode)) {
36488c05 8862 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 8863 /* Setup additional AP mode functionality if needed */
3fd1cefb 8864 if (nl80211_setup_ap(bss))
460456f8 8865 return -1;
3fd1cefb 8866 } else if (was_ap) {
460456f8 8867 /* Remove additional AP mode functionality */
3fd1cefb 8868 nl80211_teardown_ap(bss);
a11241fa 8869 } else {
36488c05 8870 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 8871 }
460456f8 8872
873d0fcf 8873 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
a11241fa
JB		 8874 nl80211_mgmt_subscribe_non_ap(bss) < 0)
8875 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
8876 "frame processing - ignore for now");
08359050 8877
3fd1cefb 8878 return 0;
3f5285e8
JM		 8879}
8880
8881
3f5285e8
JM		 8882static int wpa_driver_nl80211_get_capa(void *priv,
8883 struct wpa_driver_capa *capa)
8884{
a2e40bb6
FF		 8885 struct i802_bss *bss = priv;
8886 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8
JM		 8887 if (!drv->has_capability)
8888 return -1;
8889 os_memcpy(capa, &drv->capa, sizeof(*capa));
8cd6b7bc
JB		 8890 if (drv->extended_capa && drv->extended_capa_mask) {
8891 capa->extended_capa = drv->extended_capa;
8892 capa->extended_capa_mask = drv->extended_capa_mask;
8893 capa->extended_capa_len = drv->extended_capa_len;
8894 }
851b0c55
JM		 8895
8896 if ((capa->flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
8897 !drv->allow_p2p_device) {
8898 wpa_printf(MSG_DEBUG, "nl80211: Do not indicate P2P_DEVICE support (p2p_device=1 driver param not specified)");
8899 capa->flags &= ~WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
8900 }
8901
3f5285e8
JM		 8902 return 0;
8903}
8904
8905
8906static int wpa_driver_nl80211_set_operstate(void *priv, int state)
8907{
a2e40bb6
FF		 8908 struct i802_bss *bss = priv;
8909 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 8910
90a545cc
JM		 8911 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
8912 bss->ifname, drv->operstate, state,
8913 state ? "UP" : "DORMANT");
3f5285e8 8914 drv->operstate = state;
36d84860 8915 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 8916 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 8917}
8918
01652550
JM		 8919
8920static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
8921{
a2e40bb6
FF		 8922 struct i802_bss *bss = priv;
8923 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 8924 struct nl_msg *msg;
8925 struct nl80211_sta_flag_update upd;
2eef5177
JM		 8926 int ret = -ENOBUFS;
8927
8928 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
8929 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
8930 return 0;
8931 }
01652550 8932
1ba51ec0
JM		 8933 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
8934 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
8935
01652550
JM		 8936 msg = nlmsg_alloc();
8937 if (!msg)
8938 return -ENOMEM;
8939
9fb04070 8940 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
01652550
JM		 8941
8942 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 8943 if_nametoindex(bss->ifname));
01652550
JM		 8944 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
8945
8946 os_memset(&upd, 0, sizeof(upd));
8947 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
8948 if (authorized)
8949 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
8950 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
8951
2eef5177
JM		 8952 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8953 msg = NULL;
8954 if (!ret)
8955 return 0;
01652550 8956 nla_put_failure:
5883168a 8957 nlmsg_free(msg);
2eef5177
JM		 8958 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
8959 ret, strerror(-ret));
8960 return ret;
01652550
JM		 8961}
8962
3f5285e8 8963
f07ead6a
JM		 8964/* Set kernel driver on given frequency (MHz) */
8965static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 8966{
f07ead6a 8967 struct i802_bss *bss = priv;
89b800d7 8968 return wpa_driver_nl80211_set_freq(bss, freq);
c5121837
JM		 8969}
8970
f7b3920c 8971
c5121837
JM		 8972static inline int min_int(int a, int b)
8973{
8974 if (a < b)
8975 return a;
8976 return b;
8977}
8978
8979
8980static int get_key_handler(struct nl_msg *msg, void *arg)
8981{
8982 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8983 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8984
8985 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8986 genlmsg_attrlen(gnlh, 0), NULL);
8987
8988 /*
8989 * TODO: validate the key index and mac address!
8990 * Otherwise, there's a race condition as soon as
8991 * the kernel starts sending key notifications.
8992 */
8993
8994 if (tb[NL80211_ATTR_KEY_SEQ])
8995 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
8996 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
8997 return NL_SKIP;
8998}
8999
9000
9001static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
9002 int idx, u8 *seq)
9003{
a2e40bb6
FF		 9004 struct i802_bss *bss = priv;
9005 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 9006 struct nl_msg *msg;
9007
9008 msg = nlmsg_alloc();
9009 if (!msg)
9010 return -ENOMEM;
9011
9fb04070 9012 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_KEY);
c5121837
JM		 9013
9014 if (addr)
9015 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
9016 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
9017 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
9018
9019 memset(seq, 0, 6);
9020
9021 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
9022 nla_put_failure:
9e088e74 9023 nlmsg_free(msg);
c5121837
JM		 9024 return -ENOBUFS;
9025}
9026
9027
c5121837
JM		 9028static int i802_set_rts(void *priv, int rts)
9029{
a2e40bb6
FF		 9030 struct i802_bss *bss = priv;
9031 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 9032 struct nl_msg *msg;
9033 int ret = -ENOBUFS;
9034 u32 val;
c5121837 9035
ad649451
JM		 9036 msg = nlmsg_alloc();
9037 if (!msg)
9038 return -ENOMEM;
c5121837 9039
ad649451
JM		 9040 if (rts >= 2347)
9041 val = (u32) -1;
9042 else
9043 val = rts;
c5121837 9044
9fb04070 9045 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 9046 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
9047 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val);
9048
9049 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 9050 msg = NULL;
ad649451
JM		 9051 if (!ret)
9052 return 0;
9053nla_put_failure:
5883168a 9054 nlmsg_free(msg);
ad649451
JM		 9055 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
9056 "%d (%s)", rts, ret, strerror(-ret));
9057 return ret;
c5121837
JM		 9058}
9059
9060
9061static int i802_set_frag(void *priv, int frag)
9062{
a2e40bb6
FF		 9063 struct i802_bss *bss = priv;
9064 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 9065 struct nl_msg *msg;
9066 int ret = -ENOBUFS;
9067 u32 val;
c5121837 9068
ad649451
JM		 9069 msg = nlmsg_alloc();
9070 if (!msg)
9071 return -ENOMEM;
c5121837 9072
ad649451
JM		 9073 if (frag >= 2346)
9074 val = (u32) -1;
9075 else
9076 val = frag;
c5121837 9077
9fb04070 9078 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 9079 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
9080 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val);
9081
9082 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 9083 msg = NULL;
ad649451
JM		 9084 if (!ret)
9085 return 0;
9086nla_put_failure:
5883168a 9087 nlmsg_free(msg);
ad649451
JM		 9088 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
9089 "%d: %d (%s)", frag, ret, strerror(-ret));
9090 return ret;
c5121837
JM		 9091}
9092
9093
c5121837
JM		 9094static int i802_flush(void *priv)
9095{
a2e40bb6
FF		 9096 struct i802_bss *bss = priv;
9097 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 9098 struct nl_msg *msg;
82554b10 9099 int res;
c5121837
JM		 9100
9101 msg = nlmsg_alloc();
9102 if (!msg)
9103 return -1;
9104
83e7bb0e
JM		 9105 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
9106 bss->ifname);
9fb04070 9107 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
c5121837
JM		 9108
9109 /*
9110 * XXX: FIX! this needs to flush all VLANs too
9111 */
9112 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 9113 if_nametoindex(bss->ifname));
c5121837 9114
82554b10
JM		 9115 res = send_and_recv_msgs(drv, msg, NULL, NULL);
9116 if (res) {
9117 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
9118 "(%s)", res, strerror(-res));
9119 }
9120 return res;
c5121837 9121 nla_put_failure:
9e088e74 9122 nlmsg_free(msg);
c5121837
JM		 9123 return -ENOBUFS;
9124}
9125
9126
9127static int get_sta_handler(struct nl_msg *msg, void *arg)
9128{
9129 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9130 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9131 struct hostap_sta_driver_data *data = arg;
9132 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
9133 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
9134 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
9135 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
9136 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
9137 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
9138 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 9139 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
c5121837
JM		 9140 };
9141
9142 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9143 genlmsg_attrlen(gnlh, 0), NULL);
9144
9145 /*
9146 * TODO: validate the interface and mac address!
9147 * Otherwise, there's a race condition as soon as
9148 * the kernel starts sending station notifications.
9149 */
9150
9151 if (!tb[NL80211_ATTR_STA_INFO]) {
9152 wpa_printf(MSG_DEBUG, "sta stats missing!");
9153 return NL_SKIP;
9154 }
9155 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
9156 tb[NL80211_ATTR_STA_INFO],
9157 stats_policy)) {
9158 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
9159 return NL_SKIP;
9160 }
9161
9162 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
9163 data->inactive_msec =
9164 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
9165 if (stats[NL80211_STA_INFO_RX_BYTES])
9166 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
9167 if (stats[NL80211_STA_INFO_TX_BYTES])
9168 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
9169 if (stats[NL80211_STA_INFO_RX_PACKETS])
9170 data->rx_packets =
9171 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
9172 if (stats[NL80211_STA_INFO_TX_PACKETS])
9173 data->tx_packets =
9174 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 9175 if (stats[NL80211_STA_INFO_TX_FAILED])
9176 data->tx_retry_failed =
9177 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 9178
9179 return NL_SKIP;
9180}
9181
9ebce9c5
JM		 9182static int i802_read_sta_data(struct i802_bss *bss,
9183 struct hostap_sta_driver_data *data,
c5121837
JM		 9184 const u8 *addr)
9185{
a2e40bb6 9186 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 9187 struct nl_msg *msg;
9188
9189 os_memset(data, 0, sizeof(*data));
9190 msg = nlmsg_alloc();
9191 if (!msg)
9192 return -ENOMEM;
9193
9fb04070 9194 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
c5121837
JM		 9195
9196 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
a2e40bb6 9197 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 9198
9199 return send_and_recv_msgs(drv, msg, get_sta_handler, data);
9200 nla_put_failure:
9e088e74 9201 nlmsg_free(msg);
c5121837
JM		 9202 return -ENOBUFS;
9203}
9204
9205
c5121837
JM		 9206static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
9207 int cw_min, int cw_max, int burst_time)
9208{
a2e40bb6
FF		 9209 struct i802_bss *bss = priv;
9210 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 9211 struct nl_msg *msg;
9212 struct nlattr *txq, *params;
9213
9214 msg = nlmsg_alloc();
9215 if (!msg)
9216 return -1;
9217
9fb04070 9218 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
c5121837 9219
a2e40bb6 9220 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 9221
9222 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
9223 if (!txq)
9224 goto nla_put_failure;
9225
9226 /* We are only sending parameters for a single TXQ at a time */
9227 params = nla_nest_start(msg, 1);
9228 if (!params)
9229 goto nla_put_failure;
9230
7e3c1781
JM		 9231 switch (queue) {
9232 case 0:
9233 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO);
9234 break;
9235 case 1:
9236 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI);
9237 break;
9238 case 2:
9239 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE);
9240 break;
9241 case 3:
9242 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK);
9243 break;
9244 }
c5121837
JM		 9245 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
9246 * 32 usec, so need to convert the value here. */
9247 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
9248 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
9249 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
9250 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
9251
9252 nla_nest_end(msg, params);
9253
9254 nla_nest_end(msg, txq);
9255
9256 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
9257 return 0;
9e088e74 9258 msg = NULL;
c5121837 9259 nla_put_failure:
9e088e74 9260 nlmsg_free(msg);
c5121837
JM		 9261 return -1;
9262}
9263
9264
9ebce9c5 9265static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 9266 const char *ifname, int vlan_id)
9267{
a2e40bb6 9268 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 9269 struct nl_msg *msg;
cd1d72c1 9270 int ret = -ENOBUFS;
c5121837
JM		 9271
9272 msg = nlmsg_alloc();
9273 if (!msg)
9274 return -ENOMEM;
9275
bbc706a3
JM		 9276 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
9277 ", ifname=%s[%d], vlan_id=%d)",
9278 bss->ifname, if_nametoindex(bss->ifname),
9279 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
9fb04070 9280 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
c5121837
JM		 9281
9282 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 9283 if_nametoindex(bss->ifname));
c5121837 9284 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
1c766b09 9285 NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
c5121837
JM		 9286 if_nametoindex(ifname));
9287
cd1d72c1 9288 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9e088e74 9289 msg = NULL;
cd1d72c1
JM		 9290 if (ret < 0) {
9291 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
9292 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
9293 MAC2STR(addr), ifname, vlan_id, ret,
9294 strerror(-ret));
9295 }
c5121837 9296 nla_put_failure:
9e088e74 9297 nlmsg_free(msg);
cd1d72c1 9298 return ret;
c5121837
JM		 9299}
9300
fbbfcbac 9301
c5121837
JM		 9302static int i802_get_inact_sec(void *priv, const u8 *addr)
9303{
9304 struct hostap_sta_driver_data data;
9305 int ret;
9306
9307 data.inactive_msec = (unsigned long) -1;
9308 ret = i802_read_sta_data(priv, &data, addr);
9309 if (ret || data.inactive_msec == (unsigned long) -1)
9310 return -1;
9311 return data.inactive_msec / 1000;
9312}
9313
9314
9315static int i802_sta_clear_stats(void *priv, const u8 *addr)
9316{
9317#if 0
9318 /* TODO */
9319#endif
9320 return 0;
9321}
9322
9323
731723a5
JM		 9324static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
9325 int reason)
c5121837 9326{
a2e40bb6 9327 struct i802_bss *bss = priv;
e1bd4e19 9328 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 9329 struct ieee80211_mgmt mgmt;
9330
e1bd4e19
AT		 9331 if (drv->device_ap_sme)
9332 return wpa_driver_nl80211_sta_remove(bss, addr);
9333
c5121837
JM		 9334 memset(&mgmt, 0, sizeof(mgmt));
9335 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
9336 WLAN_FC_STYPE_DEAUTH);
9337 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 9338 memcpy(mgmt.sa, own_addr, ETH_ALEN);
9339 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 9340 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 9341 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 9342 IEEE80211_HDRLEN +
9ebce9c5
JM		 9343 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
9344 0);
c5121837
JM		 9345}
9346
9347
731723a5
JM		 9348static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
9349 int reason)
c5121837 9350{
a2e40bb6 9351 struct i802_bss *bss = priv;
e1bd4e19 9352 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 9353 struct ieee80211_mgmt mgmt;
9354
e1bd4e19
AT		 9355 if (drv->device_ap_sme)
9356 return wpa_driver_nl80211_sta_remove(bss, addr);
9357
c5121837
JM		 9358 memset(&mgmt, 0, sizeof(mgmt));
9359 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
9360 WLAN_FC_STYPE_DISASSOC);
9361 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 9362 memcpy(mgmt.sa, own_addr, ETH_ALEN);
9363 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 9364 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 9365 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 9366 IEEE80211_HDRLEN +
9ebce9c5
JM		 9367 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
9368 0);
c5121837
JM		 9369}
9370
9371
f07ead6a
JM		 9372static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
9373{
9374 int i;
9375 int *old;
9376
9377 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
9378 ifidx);
9379 for (i = 0; i < drv->num_if_indices; i++) {
9380 if (drv->if_indices[i] == 0) {
9381 drv->if_indices[i] = ifidx;
9382 return;
9383 }
9384 }
9385
9386 if (drv->if_indices != drv->default_if_indices)
9387 old = drv->if_indices;
9388 else
9389 old = NULL;
9390
067ffa26
JM		 9391 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
9392 sizeof(int));
f07ead6a
JM		 9393 if (!drv->if_indices) {
9394 if (!old)
9395 drv->if_indices = drv->default_if_indices;
9396 else
9397 drv->if_indices = old;
9398 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
9399 "interfaces");
9400 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
9401 return;
9402 } else if (!old)
9403 os_memcpy(drv->if_indices, drv->default_if_indices,
9404 sizeof(drv->default_if_indices));
9405 drv->if_indices[drv->num_if_indices] = ifidx;
9406 drv->num_if_indices++;
9407}
9408
9409
9410static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
9411{
9412 int i;
9413
9414 for (i = 0; i < drv->num_if_indices; i++) {
9415 if (drv->if_indices[i] == ifidx) {
9416 drv->if_indices[i] = 0;
9417 break;
9418 }
9419 }
9420}
9421
9422
9423static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
9424{
9425 int i;
9426
9427 for (i = 0; i < drv->num_if_indices; i++)
9428 if (drv->if_indices[i] == ifidx)
9429 return 1;
9430
9431 return 0;
9432}
9433
9434
9435static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
69dd2967 9436 const char *bridge_ifname, char *ifname_wds)
f07ead6a
JM		 9437{
9438 struct i802_bss *bss = priv;
9439 struct wpa_driver_nl80211_data *drv = bss->drv;
9440 char name[IFNAMSIZ + 1];
9441
9442 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
69dd2967
SM		 9443 if (ifname_wds)
9444 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
9445
f07ead6a
JM		 9446 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
9447 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
9448 if (val) {
9449 if (!if_nametoindex(name)) {
9450 if (nl80211_create_iface(drv, name,
9451 NL80211_IFTYPE_AP_VLAN,
2aec4f3c
JM		 9452 bss->addr, 1, NULL, NULL, 0) <
9453 0)
f07ead6a
JM		 9454 return -1;
9455 if (bridge_ifname &&
c81eff1a
BG		 9456 linux_br_add_if(drv->global->ioctl_sock,
9457 bridge_ifname, name) < 0)
f07ead6a
JM		 9458 return -1;
9459 }
75227f3a
JM		 9460 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
9461 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
9462 "interface %s up", name);
9463 }
f07ead6a
JM		 9464 return i802_set_sta_vlan(priv, addr, name, 0);
9465 } else {
c34e618d
FF		 9466 if (bridge_ifname)
9467 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
9468 name);
9469
f07ead6a 9470 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
d0595b25
FF		 9471 nl80211_remove_iface(drv, if_nametoindex(name));
9472 return 0;
f07ead6a
JM		 9473 }
9474}
9475
9476
9477static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
9478{
9479 struct wpa_driver_nl80211_data *drv = eloop_ctx;
9480 struct sockaddr_ll lladdr;
9481 unsigned char buf[3000];
9482 int len;
9483 socklen_t fromlen = sizeof(lladdr);
9484
9485 len = recvfrom(sock, buf, sizeof(buf), 0,
9486 (struct sockaddr *)&lladdr, &fromlen);
9487 if (len < 0) {
7ac3616d
JM		 9488 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
9489 strerror(errno));
f07ead6a
JM		 9490 return;
9491 }
9492
9493 if (have_ifidx(drv, lladdr.sll_ifindex))
9494 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
9495}
9496
9497
94627f6c 9498static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 9499 struct i802_bss *bss,
94627f6c
JM		 9500 const char *brname, const char *ifname)
9501{
9502 int ifindex;
9503 char in_br[IFNAMSIZ];
9504
e17a2477 9505 os_strlcpy(bss->brname, brname, IFNAMSIZ);
94627f6c
JM		 9506 ifindex = if_nametoindex(brname);
9507 if (ifindex == 0) {
9508 /*
9509 * Bridge was configured, but the bridge device does
9510 * not exist. Try to add it now.
9511 */
c81eff1a 9512 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 9513 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
9514 "bridge interface %s: %s",
9515 brname, strerror(errno));
9516 return -1;
9517 }
e17a2477 9518 bss->added_bridge = 1;
94627f6c
JM		 9519 add_ifidx(drv, if_nametoindex(brname));
9520 }
9521
9522 if (linux_br_get(in_br, ifname) == 0) {
9523 if (os_strcmp(in_br, brname) == 0)
9524 return 0; /* already in the bridge */
9525
9526 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
9527 "bridge %s", ifname, in_br);
c81eff1a
BG		 9528 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
9529 0) {
94627f6c
JM		 9530 wpa_printf(MSG_ERROR, "nl80211: Failed to "
9531 "remove interface %s from bridge "
9532 "%s: %s",
9533 ifname, brname, strerror(errno));
9534 return -1;
9535 }
9536 }
9537
9538 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
9539 ifname, brname);
c81eff1a 9540 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 9541 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
9542 "into bridge %s: %s",
9543 ifname, brname, strerror(errno));
9544 return -1;
9545 }
e17a2477 9546 bss->added_if_into_bridge = 1;
94627f6c
JM		 9547
9548 return 0;
9549}
9550
9551
92f475b4
JM		 9552static void *i802_init(struct hostapd_data *hapd,
9553 struct wpa_init_params *params)
c5121837
JM		 9554{
9555 struct wpa_driver_nl80211_data *drv;
a2e40bb6 9556 struct i802_bss *bss;
c5121837 9557 size_t i;
94627f6c
JM		 9558 char brname[IFNAMSIZ];
9559 int ifindex, br_ifindex;
9560 int br_added = 0;
c5121837 9561
0d547d5f
JM		 9562 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
9563 params->global_priv, 1,
9564 params->bssid);
a2e40bb6 9565 if (bss == NULL)
c5121837 9566 return NULL;
c5121837 9567
a2e40bb6 9568 drv = bss->drv;
7635bfb0 9569
94627f6c
JM		 9570 if (linux_br_get(brname, params->ifname) == 0) {
9571 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
9572 params->ifname, brname);
9573 br_ifindex = if_nametoindex(brname);
9574 } else {
9575 brname[0] = '\0';
9576 br_ifindex = 0;
9577 }
9578
92f475b4 9579 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 9580 if (params->bridge[i]) {
9581 ifindex = if_nametoindex(params->bridge[i]);
9582 if (ifindex)
9583 add_ifidx(drv, ifindex);
9584 if (ifindex == br_ifindex)
9585 br_added = 1;
9586 }
c5121837 9587 }
94627f6c
JM		 9588 if (!br_added && br_ifindex &&
9589 (params->num_bridge == 0 || !params->bridge[0]))
9590 add_ifidx(drv, br_ifindex);
c5121837 9591
ad1e68e6
JM		 9592 /* start listening for EAPOL on the default AP interface */
9593 add_ifidx(drv, drv->ifindex);
9594
94627f6c 9595 if (params->num_bridge && params->bridge[0] &&
e17a2477 9596 i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0)
94627f6c
JM		 9597 goto failed;
9598
ad1e68e6
JM		 9599 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
9600 if (drv->eapol_sock < 0) {
7ac3616d
JM		 9601 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
9602 strerror(errno));
bbaf0837 9603 goto failed;
ad1e68e6
JM		 9604 }
9605
9606 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
9607 {
7ac3616d 9608 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
c5121837 9609 goto failed;
ad1e68e6
JM		 9610 }
9611
c81eff1a
BG		 9612 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
9613 params->own_addr))
bbaf0837 9614 goto failed;
c5121837 9615
341eebee
JB		 9616 memcpy(bss->addr, params->own_addr, ETH_ALEN);
9617
a2e40bb6 9618 return bss;
c5121837
JM		 9619
9620failed:
7635bfb0 9621 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 9622 return NULL;
9623}
c5121837 9624
c5121837 9625
bbaf0837
JM		 9626static void i802_deinit(void *priv)
9627{
9ebce9c5
JM		 9628 struct i802_bss *bss = priv;
9629 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 9630}
9631
c5121837 9632
22a7c9d7
JM		 9633static enum nl80211_iftype wpa_driver_nl80211_if_type(
9634 enum wpa_driver_if_type type)
9635{
9636 switch (type) {
9637 case WPA_IF_STATION:
9f51b113 9638 return NL80211_IFTYPE_STATION;
75bde05d
JM		 9639 case WPA_IF_P2P_CLIENT:
9640 case WPA_IF_P2P_GROUP:
9f51b113 9641 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 9642 case WPA_IF_AP_VLAN:
9643 return NL80211_IFTYPE_AP_VLAN;
9644 case WPA_IF_AP_BSS:
9645 return NL80211_IFTYPE_AP;
9f51b113
JB		 9646 case WPA_IF_P2P_GO:
9647 return NL80211_IFTYPE_P2P_GO;
7aad838c
NS		 9648 case WPA_IF_P2P_DEVICE:
9649 return NL80211_IFTYPE_P2P_DEVICE;
22a7c9d7
JM		 9650 }
9651 return -1;
9652}
9653
9654
482856c8
JM		 9655#ifdef CONFIG_P2P
9656
f2ed8023
JM		 9657static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
9658{
9659 struct wpa_driver_nl80211_data *drv;
9660 dl_list_for_each(drv, &global->interfaces,
9661 struct wpa_driver_nl80211_data, list) {
834ee56f 9662 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
f2ed8023
JM		 9663 return 1;
9664 }
9665 return 0;
9666}
9667
9668
9669static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv,
9670 u8 *new_addr)
9671{
9672 unsigned int idx;
9673
9674 if (!drv->global)
9675 return -1;
9676
834ee56f 9677 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
f2ed8023 9678 for (idx = 0; idx < 64; idx++) {
834ee56f 9679 new_addr[0] = drv->first_bss->addr[0] | 0x02;
f2ed8023
JM		 9680 new_addr[0] ^= idx << 2;
9681 if (!nl80211_addr_in_use(drv->global, new_addr))
9682 break;
9683 }
9684 if (idx == 64)
9685 return -1;
9686
9687 wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address "
9688 MACSTR, MAC2STR(new_addr));
9689
9690 return 0;
9691}
9692
482856c8
JM		 9693#endif /* CONFIG_P2P */
9694
f2ed8023 9695
f632e483
AS		 9696struct wdev_info {
9697 u64 wdev_id;
9698 int wdev_id_set;
9699 u8 macaddr[ETH_ALEN];
9700};
9701
9702static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
e472e1b4
AS		 9703{
9704 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9705 struct nlattr *tb[NL80211_ATTR_MAX + 1];
f632e483 9706 struct wdev_info *wi = arg;
e472e1b4
AS		 9707
9708 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9709 genlmsg_attrlen(gnlh, 0), NULL);
9710 if (tb[NL80211_ATTR_WDEV]) {
f632e483
AS		 9711 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
9712 wi->wdev_id_set = 1;
e472e1b4
AS		 9713 }
9714
9715 if (tb[NL80211_ATTR_MAC])
f632e483 9716 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
e472e1b4
AS		 9717 ETH_ALEN);
9718
9719 return NL_SKIP;
9720}
9721
9722
7ab68865 9723static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 9724 const char *ifname, const u8 *addr,
f3585c8a 9725 void *bss_ctx, void **drv_priv,
e17a2477 9726 char *force_ifname, u8 *if_addr,
2aec4f3c 9727 const char *bridge, int use_existing)
22a7c9d7 9728{
e472e1b4 9729 enum nl80211_iftype nlmode;
a2e40bb6
FF		 9730 struct i802_bss *bss = priv;
9731 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7 9732 int ifidx;
2aec4f3c 9733 int added = 1;
22a7c9d7 9734
f3585c8a
JM		 9735 if (addr)
9736 os_memcpy(if_addr, addr, ETH_ALEN);
e472e1b4
AS		 9737 nlmode = wpa_driver_nl80211_if_type(type);
9738 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
f632e483
AS		 9739 struct wdev_info p2pdev_info;
9740
9741 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
e472e1b4 9742 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
f632e483 9743 0, nl80211_wdev_handler,
2aec4f3c 9744 &p2pdev_info, use_existing);
f632e483 9745 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
e472e1b4
AS		 9746 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
9747 ifname);
e472e1b4
AS		 9748 return -1;
9749 }
f632e483
AS		 9750
9751 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
9752 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
9753 if (!is_zero_ether_addr(p2pdev_info.macaddr))
9754 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
9755 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
9756 ifname,
9757 (long long unsigned int) p2pdev_info.wdev_id);
e472e1b4
AS		 9758 } else {
9759 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
2aec4f3c
JM		 9760 0, NULL, NULL, use_existing);
9761 if (use_existing && ifidx == -ENFILE) {
9762 added = 0;
9763 ifidx = if_nametoindex(ifname);
9764 } else if (ifidx < 0) {
e472e1b4
AS		 9765 return -1;
9766 }
22a7c9d7
JM		 9767 }
9768
ab7a1add
AS		 9769 if (!addr) {
9770 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
9771 os_memcpy(if_addr, bss->addr, ETH_ALEN);
9772 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
9773 bss->ifname, if_addr) < 0) {
2aec4f3c
JM		 9774 if (added)
9775 nl80211_remove_iface(drv, ifidx);
ab7a1add
AS		 9776 return -1;
9777 }
c55f774d
JM		 9778 }
9779
9780#ifdef CONFIG_P2P
9781 if (!addr &&
9782 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
9783 type == WPA_IF_P2P_GO)) {
9784 /* Enforce unique P2P Interface Address */
ab7a1add 9785 u8 new_addr[ETH_ALEN];
c55f774d 9786
ab7a1add 9787 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
c81eff1a 9788 new_addr) < 0) {
c55f774d
JM		 9789 nl80211_remove_iface(drv, ifidx);
9790 return -1;
9791 }
f608081c 9792 if (nl80211_addr_in_use(drv->global, new_addr)) {
c55f774d
JM		 9793 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
9794 "for P2P group interface");
f2ed8023 9795 if (nl80211_p2p_interface_addr(drv, new_addr) < 0) {
c55f774d
JM		 9796 nl80211_remove_iface(drv, ifidx);
9797 return -1;
9798 }
c81eff1a 9799 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d
JM		 9800 new_addr) < 0) {
9801 nl80211_remove_iface(drv, ifidx);
9802 return -1;
9803 }
c55f774d 9804 }
f67eeb5c 9805 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d
JM		 9806 }
9807#endif /* CONFIG_P2P */
f3585c8a 9808
22a7c9d7 9809 if (type == WPA_IF_AP_BSS) {
f5eb9da3
JM		 9810 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
9811 if (new_bss == NULL) {
2aec4f3c
JM		 9812 if (added)
9813 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 9814 return -1;
9815 }
9816
9817 if (bridge &&
9818 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
9819 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
9820 "interface %s to a bridge %s",
9821 ifname, bridge);
2aec4f3c
JM		 9822 if (added)
9823 nl80211_remove_iface(drv, ifidx);
f5eb9da3
JM		 9824 os_free(new_bss);
9825 return -1;
9826 }
9827
c81eff1a
BG		 9828 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
9829 {
34f2f814 9830 nl80211_remove_iface(drv, ifidx);
07179987 9831 os_free(new_bss);
22a7c9d7
JM		 9832 return -1;
9833 }
a2e40bb6 9834 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 9835 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 9836 new_bss->ifindex = ifidx;
9837 new_bss->drv = drv;
834ee56f
KP		 9838 new_bss->next = drv->first_bss->next;
9839 new_bss->freq = drv->first_bss->freq;
a5e1eb20 9840 new_bss->ctx = bss_ctx;
2aec4f3c 9841 new_bss->added_if = added;
834ee56f 9842 drv->first_bss->next = new_bss;
a2e40bb6
FF		 9843 if (drv_priv)
9844 *drv_priv = new_bss;
cc7a48d1 9845 nl80211_init_bss(new_bss);
3dd1d890
YAP		 9846
9847 /* Subscribe management frames for this WPA_IF_AP_BSS */
9848 if (nl80211_setup_ap(new_bss))
9849 return -1;
22a7c9d7 9850 }
22a7c9d7 9851
ff6a158b
JM		 9852 if (drv->global)
9853 drv->global->if_add_ifindex = ifidx;
9854
22a7c9d7
JM		 9855 return 0;
9856}
9857
9858
9ebce9c5 9859static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 9860 enum wpa_driver_if_type type,
9861 const char *ifname)
9862{
a2e40bb6 9863 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 9864 int ifindex = if_nametoindex(ifname);
9865
2aec4f3c
JM		 9866 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
9867 __func__, type, ifname, ifindex, bss->added_if);
158b090c 9868 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
2b72df63 9869 nl80211_remove_iface(drv, ifindex);
c34e618d 9870
c34e618d
FF		 9871 if (type != WPA_IF_AP_BSS)
9872 return 0;
9873
e17a2477 9874 if (bss->added_if_into_bridge) {
c81eff1a
BG		 9875 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
9876 bss->ifname) < 0)
e17a2477
JM		 9877 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9878 "interface %s from bridge %s: %s",
9879 bss->ifname, bss->brname, strerror(errno));
9880 }
9881 if (bss->added_bridge) {
c81eff1a 9882 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 9883 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
9884 "bridge %s: %s",
9885 bss->brname, strerror(errno));
9886 }
a2e40bb6 9887
834ee56f 9888 if (bss != drv->first_bss) {
8546ea19 9889 struct i802_bss *tbss;
a2e40bb6 9890
2aec4f3c 9891 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
834ee56f 9892 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8546ea19
JM		 9893 if (tbss->next == bss) {
9894 tbss->next = bss->next;
3dd1d890
YAP		 9895 /* Unsubscribe management frames */
9896 nl80211_teardown_ap(bss);
cc7a48d1 9897 nl80211_destroy_bss(bss);
8546ea19
JM		 9898 os_free(bss);
9899 bss = NULL;
9900 break;
9901 }
22a7c9d7 9902 }
8546ea19
JM		 9903 if (bss)
9904 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
9905 "BSS %p in the list", __func__, bss);
390e489c 9906 } else {
2aec4f3c 9907 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
390e489c 9908 nl80211_teardown_ap(bss);
2aec4f3c
JM		 9909 if (!bss->added_if && !drv->first_bss->next)
9910 wpa_driver_nl80211_del_beacon(drv);
390e489c 9911 nl80211_destroy_bss(bss);
2aec4f3c
JM		 9912 if (!bss->added_if)
9913 i802_set_iface_flags(bss, 0);
390e489c
KP		 9914 if (drv->first_bss->next) {
9915 drv->first_bss = drv->first_bss->next;
9916 drv->ctx = drv->first_bss->ctx;
9917 os_free(bss);
9918 } else {
9919 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
9920 }
22a7c9d7 9921 }
22a7c9d7
JM		 9922
9923 return 0;
9924}
9925
9926
55777702
JM		 9927static int cookie_handler(struct nl_msg *msg, void *arg)
9928{
9929 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9930 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9931 u64 *cookie = arg;
9932 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9933 genlmsg_attrlen(gnlh, 0), NULL);
9934 if (tb[NL80211_ATTR_COOKIE])
9935 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
9936 return NL_SKIP;
9937}
9938
9939
88df0ef7 9940static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 9941 unsigned int freq, unsigned int wait,
9942 const u8 *buf, size_t buf_len,
88df0ef7
JB		 9943 u64 *cookie_out, int no_cck, int no_ack,
9944 int offchanok)
9884f9cc 9945{
88df0ef7 9946 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 9947 struct nl_msg *msg;
9948 u64 cookie;
9949 int ret = -1;
9950
9951 msg = nlmsg_alloc();
9952 if (!msg)
9953 return -1;
9954
cc2ada86 9955 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
2e3e4566
JM		 9956 "no_ack=%d offchanok=%d",
9957 freq, wait, no_cck, no_ack, offchanok);
c91f796f 9958 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9fb04070 9959 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME);
9884f9cc 9960
f632e483 9961 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80 9962 goto nla_put_failure;
c91f796f
NC		 9963 if (freq)
9964 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
9db931ed
JM		 9965 if (wait)
9966 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait);
64abb725
JM		 9967 if (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
9968 drv->test_use_roc_tx))
88df0ef7 9969 NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
b106173a
JM		 9970 if (no_cck)
9971 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
ddc53271
JM		 9972 if (no_ack)
9973 NLA_PUT_FLAG(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK);
970fa12e 9974
9884f9cc
JB		 9975 NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
9976
9977 cookie = 0;
9978 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
9979 msg = NULL;
9980 if (ret) {
9981 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 9982 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
9983 freq, wait);
9884f9cc
JB		 9984 goto nla_put_failure;
9985 }
cc2ada86 9986 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
ddc53271
JM		 9987 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
9988 (long long unsigned int) cookie);
9884f9cc
JB		 9989
9990 if (cookie_out)
ddc53271 9991 *cookie_out = no_ack ? (u64) -1 : cookie;
9884f9cc
JB		 9992
9993nla_put_failure:
9994 nlmsg_free(msg);
9995 return ret;
9996}
9997
9998
9ebce9c5
JM		 9999static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
10000 unsigned int freq,
190b9062 10001 unsigned int wait_time,
58f6fbe0
JM		 10002 const u8 *dst, const u8 *src,
10003 const u8 *bssid,
b106173a
JM		 10004 const u8 *data, size_t data_len,
10005 int no_cck)
58f6fbe0 10006{
a2e40bb6 10007 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 10008 int ret = -1;
58f6fbe0
JM		 10009 u8 *buf;
10010 struct ieee80211_hdr *hdr;
58f6fbe0 10011
5dfca53f 10012 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 10013 "freq=%u MHz wait=%d ms no_cck=%d)",
10014 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 10015
10016 buf = os_zalloc(24 + data_len);
10017 if (buf == NULL)
10018 return ret;
10019 os_memcpy(buf + 24, data, data_len);
10020 hdr = (struct ieee80211_hdr *) buf;
10021 hdr->frame_control =
10022 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
10023 os_memcpy(hdr->addr1, dst, ETH_ALEN);
10024 os_memcpy(hdr->addr2, src, ETH_ALEN);
10025 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
10026
f78f2785
JM		 10027 if (is_ap_interface(drv->nlmode) &&
10028 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
10029 (int) freq == bss->freq || drv->device_ap_sme ||
10030 !drv->use_monitor))
9ebce9c5
JM		 10031 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
10032 0, freq, no_cck, 1,
10033 wait_time);
9884f9cc 10034 else
88df0ef7 10035 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 10036 24 + data_len,
b106173a 10037 &drv->send_action_cookie,
88df0ef7 10038 no_cck, 0, 1);
58f6fbe0 10039
f8bf1421 10040 os_free(buf);
58f6fbe0
JM		 10041 return ret;
10042}
10043
10044
5dfca53f
JB		 10045static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
10046{
10047 struct i802_bss *bss = priv;
10048 struct wpa_driver_nl80211_data *drv = bss->drv;
10049 struct nl_msg *msg;
10050 int ret;
10051
10052 msg = nlmsg_alloc();
10053 if (!msg)
10054 return;
10055
316a9e4d
JM		 10056 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
10057 (long long unsigned int) drv->send_action_cookie);
9fb04070 10058 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME_WAIT_CANCEL);
5dfca53f 10059
7940c790
AS		 10060 if (nl80211_set_iface_id(msg, bss) < 0)
10061 goto nla_put_failure;
5dfca53f
JB		 10062 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie);
10063
10064 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10065 msg = NULL;
10066 if (ret)
10067 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
10068 "(%s)", ret, strerror(-ret));
10069
10070 nla_put_failure:
10071 nlmsg_free(msg);
10072}
10073
10074
55777702
JM		 10075static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
10076 unsigned int duration)
10077{
a2e40bb6
FF		 10078 struct i802_bss *bss = priv;
10079 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 10080 struct nl_msg *msg;
10081 int ret;
10082 u64 cookie;
10083
10084 msg = nlmsg_alloc();
10085 if (!msg)
10086 return -1;
10087
9fb04070 10088 nl80211_cmd(drv, msg, 0, NL80211_CMD_REMAIN_ON_CHANNEL);
55777702 10089
f632e483 10090 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 10091 goto nla_put_failure;
10092
55777702
JM		 10093 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
10094 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
10095
10096 cookie = 0;
10097 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
5883168a 10098 msg = NULL;
55777702
JM		 10099 if (ret == 0) {
10100 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
10101 "0x%llx for freq=%u MHz duration=%u",
10102 (long long unsigned int) cookie, freq, duration);
10103 drv->remain_on_chan_cookie = cookie;
531f0331 10104 drv->pending_remain_on_chan = 1;
55777702
JM		 10105 return 0;
10106 }
10107 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 10108 "(freq=%d duration=%u): %d (%s)",
10109 freq, duration, ret, strerror(-ret));
55777702 10110nla_put_failure:
5883168a 10111 nlmsg_free(msg);
55777702
JM		 10112 return -1;
10113}
10114
10115
10116static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
10117{
a2e40bb6
FF		 10118 struct i802_bss *bss = priv;
10119 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 10120 struct nl_msg *msg;
10121 int ret;
10122
10123 if (!drv->pending_remain_on_chan) {
10124 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
10125 "to cancel");
10126 return -1;
10127 }
10128
10129 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
10130 "0x%llx",
10131 (long long unsigned int) drv->remain_on_chan_cookie);
10132
10133 msg = nlmsg_alloc();
10134 if (!msg)
10135 return -1;
10136
9fb04070 10137 nl80211_cmd(drv, msg, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
55777702 10138
f632e483 10139 if (nl80211_set_iface_id(msg, bss) < 0)
d3aaef80
DS		 10140 goto nla_put_failure;
10141
55777702
JM		 10142 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie);
10143
10144 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 10145 msg = NULL;
55777702
JM		 10146 if (ret == 0)
10147 return 0;
10148 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
10149 "%d (%s)", ret, strerror(-ret));
10150nla_put_failure:
5883168a 10151 nlmsg_free(msg);
55777702
JM		 10152 return -1;
10153}
10154
10155
9ebce9c5 10156static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 10157{
a2e40bb6 10158 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 10159
5582a5d1 10160 if (!report) {
0d891981
JM		 10161 if (bss->nl_preq && drv->device_ap_sme &&
10162 is_ap_interface(drv->nlmode)) {
10163 /*
10164 * Do not disable Probe Request reporting that was
10165 * enabled in nl80211_setup_ap().
10166 */
10167 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
10168 "Probe Request reporting nl_preq=%p while "
10169 "in AP mode", bss->nl_preq);
10170 } else if (bss->nl_preq) {
36488c05
JM		 10171 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
10172 "reporting nl_preq=%p", bss->nl_preq);
5f65e9f7 10173 nl80211_destroy_eloop_handle(&bss->nl_preq);
5582a5d1
JB		 10174 }
10175 return 0;
10176 }
10177
481234cf 10178 if (bss->nl_preq) {
5582a5d1 10179 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 10180 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 10181 return 0;
10182 }
10183
481234cf
JM		 10184 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
10185 if (bss->nl_preq == NULL)
5582a5d1 10186 return -1;
36488c05
JM		 10187 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
10188 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 10189
481234cf 10190 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 10191 (WLAN_FC_TYPE_MGMT << 2) |
10192 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 10193 NULL, 0) < 0)
10194 goto out_err;
5582a5d1 10195
5f65e9f7
JB		 10196 nl80211_register_eloop_read(&bss->nl_preq,
10197 wpa_driver_nl80211_event_receive,
10198 bss->nl_cb);
5582a5d1 10199
504e905c 10200 return 0;
5582a5d1 10201
a92dfde8 10202 out_err:
221a59c9 10203 nl_destroy_handles(&bss->nl_preq);
5582a5d1 10204 return -1;
504e905c
JM		 10205}
10206
10207
4e5cb1a3
JM		 10208static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
10209 int ifindex, int disabled)
10210{
10211 struct nl_msg *msg;
10212 struct nlattr *bands, *band;
10213 int ret;
10214
10215 msg = nlmsg_alloc();
10216 if (!msg)
10217 return -1;
10218
9fb04070 10219 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 10220 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
10221
10222 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
10223 if (!bands)
10224 goto nla_put_failure;
10225
10226 /*
10227 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
10228 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
10229 * rates. All 5 GHz rates are left enabled.
10230 */
10231 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
10232 if (!band)
10233 goto nla_put_failure;
1dea5882
JM		 10234 if (disabled) {
10235 NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8,
10236 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
10237 }
4e5cb1a3
JM		 10238 nla_nest_end(msg, band);
10239
10240 nla_nest_end(msg, bands);
10241
10242 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
10243 msg = NULL;
10244 if (ret) {
10245 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
10246 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 10247 } else
10248 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 10249
10250 return ret;
10251
10252nla_put_failure:
10253 nlmsg_free(msg);
10254 return -1;
10255}
10256
10257
af473088
JM		 10258static int wpa_driver_nl80211_deinit_ap(void *priv)
10259{
a2e40bb6
FF		 10260 struct i802_bss *bss = priv;
10261 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 10262 if (!is_ap_interface(drv->nlmode))
af473088
JM		 10263 return -1;
10264 wpa_driver_nl80211_del_beacon(drv);
60b13c20
IP		 10265
10266 /*
10267 * If the P2P GO interface was dynamically added, then it is
10268 * possible that the interface change to station is not possible.
10269 */
10270 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
10271 return 0;
10272
b1f625e0 10273 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 10274}
10275
10276
695c7038
SW		 10277static int wpa_driver_nl80211_stop_ap(void *priv)
10278{
10279 struct i802_bss *bss = priv;
10280 struct wpa_driver_nl80211_data *drv = bss->drv;
10281 if (!is_ap_interface(drv->nlmode))
10282 return -1;
10283 wpa_driver_nl80211_del_beacon(drv);
10284 bss->beacon_set = 0;
10285 return 0;
10286}
10287
10288
3c29244e
EP		 10289static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
10290{
10291 struct i802_bss *bss = priv;
10292 struct wpa_driver_nl80211_data *drv = bss->drv;
10293 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
10294 return -1;
60b13c20
IP		 10295
10296 /*
10297 * If the P2P Client interface was dynamically added, then it is
10298 * possible that the interface change to station is not possible.
10299 */
10300 if (bss->if_dynamic)
10301 return 0;
10302
3c29244e
EP		 10303 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
10304}
10305
10306
207ef3fb
JM		 10307static void wpa_driver_nl80211_resume(void *priv)
10308{
a2e40bb6 10309 struct i802_bss *bss = priv;
91724d6f
AS		 10310
10311 if (i802_set_iface_flags(bss, 1))
10312 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
207ef3fb
JM		 10313}
10314
10315
7b90c16a
JM		 10316static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap,
10317 const u8 *ies, size_t ies_len)
10318{
10319 struct i802_bss *bss = priv;
10320 struct wpa_driver_nl80211_data *drv = bss->drv;
10321 int ret;
10322 u8 *data, *pos;
10323 size_t data_len;
341eebee 10324 const u8 *own_addr = bss->addr;
7b90c16a
JM		 10325
10326 if (action != 1) {
10327 wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action "
10328 "action %d", action);
10329 return -1;
10330 }
10331
10332 /*
10333 * Action frame payload:
10334 * Category[1] = 6 (Fast BSS Transition)
10335 * Action[1] = 1 (Fast BSS Transition Request)
10336 * STA Address
10337 * Target AP Address
10338 * FT IEs
10339 */
10340
73fc617d
JM		 10341 data_len = 2 + 2 * ETH_ALEN + ies_len;
10342 data = os_malloc(data_len);
7b90c16a
JM		 10343 if (data == NULL)
10344 return -1;
10345 pos = data;
10346 *pos++ = 0x06; /* FT Action category */
10347 *pos++ = action;
10348 os_memcpy(pos, own_addr, ETH_ALEN);
10349 pos += ETH_ALEN;
10350 os_memcpy(pos, target_ap, ETH_ALEN);
10351 pos += ETH_ALEN;
10352 os_memcpy(pos, ies, ies_len);
10353
190b9062
JB		 10354 ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0,
10355 drv->bssid, own_addr, drv->bssid,
b106173a 10356 data, data_len, 0);
7b90c16a
JM		 10357 os_free(data);
10358
10359 return ret;
10360}
10361
10362
b625473c
JM		 10363static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
10364{
10365 struct i802_bss *bss = priv;
10366 struct wpa_driver_nl80211_data *drv = bss->drv;
8970bae8
JB		 10367 struct nl_msg *msg;
10368 struct nlattr *cqm;
f0494d0f 10369 int ret = -1;
b625473c
JM		 10370
10371 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
10372 "hysteresis=%d", threshold, hysteresis);
10373
10374 msg = nlmsg_alloc();
10375 if (!msg)
10376 return -1;
10377
9fb04070 10378 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM);
b625473c
JM		 10379
10380 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10381
8970bae8 10382 cqm = nla_nest_start(msg, NL80211_ATTR_CQM);
b625473c 10383 if (cqm == NULL)
21270bb4 10384 goto nla_put_failure;
b625473c 10385
8970bae8
JB		 10386 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold);
10387 NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis);
10388 nla_nest_end(msg, cqm);
21270bb4 10389
f0494d0f 10390 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 10391 msg = NULL;
10392
10393nla_put_failure:
b625473c 10394 nlmsg_free(msg);
f0494d0f 10395 return ret;
b625473c
JM		 10396}
10397
10398
2cc8d8f4
AO		 10399static int get_channel_width(struct nl_msg *msg, void *arg)
10400{
10401 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10402 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10403 struct wpa_signal_info *sig_change = arg;
10404
10405 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10406 genlmsg_attrlen(gnlh, 0), NULL);
10407
10408 sig_change->center_frq1 = -1;
10409 sig_change->center_frq2 = -1;
10410 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
10411
10412 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
10413 sig_change->chanwidth = convert2width(
10414 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
10415 if (tb[NL80211_ATTR_CENTER_FREQ1])
10416 sig_change->center_frq1 =
10417 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
10418 if (tb[NL80211_ATTR_CENTER_FREQ2])
10419 sig_change->center_frq2 =
10420 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
10421 }
10422
10423 return NL_SKIP;
10424}
10425
10426
10427static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
10428 struct wpa_signal_info *sig)
10429{
10430 struct nl_msg *msg;
10431
10432 msg = nlmsg_alloc();
10433 if (!msg)
10434 return -ENOMEM;
10435
10436 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_INTERFACE);
10437 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10438
10439 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
10440
10441nla_put_failure:
10442 nlmsg_free(msg);
10443 return -ENOBUFS;
10444}
10445
10446
1c5c7273
PS		 10447static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
10448{
10449 struct i802_bss *bss = priv;
10450 struct wpa_driver_nl80211_data *drv = bss->drv;
10451 int res;
10452
10453 os_memset(si, 0, sizeof(*si));
10454 res = nl80211_get_link_signal(drv, si);
10455 if (res != 0)
10456 return res;
10457
2cc8d8f4
AO		 10458 res = nl80211_get_channel_width(drv, si);
10459 if (res != 0)
10460 return res;
10461
1c5c7273
PS		 10462 return nl80211_get_link_noise(drv, si);
10463}
10464
10465
57ebba59
JJ		 10466static int wpa_driver_nl80211_shared_freq(void *priv)
10467{
10468 struct i802_bss *bss = priv;
10469 struct wpa_driver_nl80211_data *drv = bss->drv;
10470 struct wpa_driver_nl80211_data *driver;
10471 int freq = 0;
10472
10473 /*
10474 * If the same PHY is in connected state with some other interface,
10475 * then retrieve the assoc freq.
10476 */
10477 wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s",
10478 drv->phyname);
10479
10480 dl_list_for_each(driver, &drv->global->interfaces,
10481 struct wpa_driver_nl80211_data, list) {
10482 if (drv == driver ||
10483 os_strcmp(drv->phyname, driver->phyname) != 0 ||
10484 !driver->associated)
10485 continue;
10486
10487 wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s "
10488 MACSTR,
834ee56f
KP		 10489 driver->phyname, driver->first_bss->ifname,
10490 MAC2STR(driver->first_bss->addr));
d3bd0f05 10491 if (is_ap_interface(driver->nlmode))
834ee56f 10492 freq = driver->first_bss->freq;
d3bd0f05
JJ		 10493 else
10494 freq = nl80211_get_assoc_freq(driver);
57ebba59
JJ		 10495 wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d",
10496 drv->phyname, freq);
10497 }
10498
10499 if (!freq)
10500 wpa_printf(MSG_DEBUG, "nl80211: No shared interface for "
10501 "PHY (%s) in associated state", drv->phyname);
10502
10503 return freq;
10504}
10505
10506
b91ab76e
JM		 10507static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
10508 int encrypt)
10509{
10510 struct i802_bss *bss = priv;
55231068
JM		 10511 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
10512 0, 0, 0, 0);
b91ab76e
JM		 10513}
10514
10515
c55f774d
JM		 10516static int nl80211_set_param(void *priv, const char *param)
10517{
c55f774d
JM		 10518 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
10519 if (param == NULL)
10520 return 0;
10521
10522#ifdef CONFIG_P2P
10523 if (os_strstr(param, "use_p2p_group_interface=1")) {
482856c8
JM		 10524 struct i802_bss *bss = priv;
10525 struct wpa_driver_nl80211_data *drv = bss->drv;
10526
c55f774d
JM		 10527 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
10528 "interface");
10529 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
10530 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
10531 }
851b0c55
JM		 10532
10533 if (os_strstr(param, "p2p_device=1")) {
10534 struct i802_bss *bss = priv;
10535 struct wpa_driver_nl80211_data *drv = bss->drv;
10536 drv->allow_p2p_device = 1;
10537 }
c55f774d
JM		 10538#endif /* CONFIG_P2P */
10539
327b01d3
JM		 10540 if (os_strstr(param, "use_monitor=1")) {
10541 struct i802_bss *bss = priv;
10542 struct wpa_driver_nl80211_data *drv = bss->drv;
10543 drv->use_monitor = 1;
10544 }
10545
10546 if (os_strstr(param, "force_connect_cmd=1")) {
10547 struct i802_bss *bss = priv;
10548 struct wpa_driver_nl80211_data *drv = bss->drv;
10549 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
10550 }
10551
64abb725
JM		 10552 if (os_strstr(param, "no_offchannel_tx=1")) {
10553 struct i802_bss *bss = priv;
10554 struct wpa_driver_nl80211_data *drv = bss->drv;
10555 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
10556 drv->test_use_roc_tx = 1;
10557 }
10558
c55f774d
JM		 10559 return 0;
10560}
10561
10562
f2ed8023
JM		 10563static void * nl80211_global_init(void)
10564{
10565 struct nl80211_global *global;
36d84860
BG		 10566 struct netlink_config *cfg;
10567
f2ed8023
JM		 10568 global = os_zalloc(sizeof(*global));
10569 if (global == NULL)
10570 return NULL;
c81eff1a 10571 global->ioctl_sock = -1;
f2ed8023 10572 dl_list_init(&global->interfaces);
ff6a158b 10573 global->if_add_ifindex = -1;
36d84860
BG		 10574
10575 cfg = os_zalloc(sizeof(*cfg));
10576 if (cfg == NULL)
10577 goto err;
10578
10579 cfg->ctx = global;
10580 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
10581 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
10582 global->netlink = netlink_init(cfg);
10583 if (global->netlink == NULL) {
10584 os_free(cfg);
10585 goto err;
10586 }
10587
2a7b66f5
BG		 10588 if (wpa_driver_nl80211_init_nl_global(global) < 0)
10589 goto err;
10590
c81eff1a
BG		 10591 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
10592 if (global->ioctl_sock < 0) {
7ac3616d
JM		 10593 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
10594 strerror(errno));
c81eff1a
BG		 10595 goto err;
10596 }
10597
f2ed8023 10598 return global;
36d84860
BG		 10599
10600err:
10601 nl80211_global_deinit(global);
10602 return NULL;
f2ed8023
JM		 10603}
10604
10605
10606static void nl80211_global_deinit(void *priv)
10607{
10608 struct nl80211_global *global = priv;
10609 if (global == NULL)
10610 return;
10611 if (!dl_list_empty(&global->interfaces)) {
10612 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
10613 "nl80211_global_deinit",
10614 dl_list_len(&global->interfaces));
10615 }
36d84860
BG		 10616
10617 if (global->netlink)
10618 netlink_deinit(global->netlink);
10619
276e2d67
BG		 10620 nl_destroy_handles(&global->nl);
10621
5f65e9f7
JB		 10622 if (global->nl_event)
10623 nl80211_destroy_eloop_handle(&global->nl_event);
d6c9aab8
JB		 10624
10625 nl_cb_put(global->nl_cb);
2a7b66f5 10626
c81eff1a
BG		 10627 if (global->ioctl_sock >= 0)
10628 close(global->ioctl_sock);
10629
f2ed8023
JM		 10630 os_free(global);
10631}
10632
10633
6859f1cb
BG		 10634static const char * nl80211_get_radio_name(void *priv)
10635{
10636 struct i802_bss *bss = priv;
10637 struct wpa_driver_nl80211_data *drv = bss->drv;
10638 return drv->phyname;
10639}
10640
10641
a6efc65d
JM		 10642static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
10643 const u8 *pmkid)
10644{
10645 struct nl_msg *msg;
10646
10647 msg = nlmsg_alloc();
10648 if (!msg)
10649 return -ENOMEM;
10650
9fb04070 10651 nl80211_cmd(bss->drv, msg, 0, cmd);
a6efc65d
JM		 10652
10653 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
10654 if (pmkid)
10655 NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid);
10656 if (bssid)
10657 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
10658
10659 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
10660 nla_put_failure:
9e088e74 10661 nlmsg_free(msg);
a6efc65d
JM		 10662 return -ENOBUFS;
10663}
10664
10665
10666static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
10667{
10668 struct i802_bss *bss = priv;
10669 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
10670 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
10671}
10672
10673
10674static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
10675{
10676 struct i802_bss *bss = priv;
10677 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
10678 MAC2STR(bssid));
10679 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
10680}
10681
10682
10683static int nl80211_flush_pmkid(void *priv)
10684{
10685 struct i802_bss *bss = priv;
10686 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
10687 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
10688}
10689
10690
0185007c
MK		 10691static void clean_survey_results(struct survey_results *survey_results)
10692{
10693 struct freq_survey *survey, *tmp;
10694
10695 if (dl_list_empty(&survey_results->survey_list))
10696 return;
10697
10698 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
10699 struct freq_survey, list) {
10700 dl_list_del(&survey->list);
10701 os_free(survey);
10702 }
10703}
10704
10705
10706static void add_survey(struct nlattr **sinfo, u32 ifidx,
10707 struct dl_list *survey_list)
10708{
10709 struct freq_survey *survey;
10710
10711 survey = os_zalloc(sizeof(struct freq_survey));
10712 if (!survey)
10713 return;
10714
10715 survey->ifidx = ifidx;
10716 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
10717 survey->filled = 0;
10718
10719 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
10720 survey->nf = (int8_t)
10721 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
10722 survey->filled |= SURVEY_HAS_NF;
10723 }
10724
10725 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
10726 survey->channel_time =
10727 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
10728 survey->filled |= SURVEY_HAS_CHAN_TIME;
10729 }
10730
10731 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
10732 survey->channel_time_busy =
10733 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
10734 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
10735 }
10736
10737 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
10738 survey->channel_time_rx =
10739 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
10740 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
10741 }
10742
10743 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
10744 survey->channel_time_tx =
10745 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
10746 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
10747 }
10748
10749 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)",
10750 survey->freq,
10751 survey->nf,
10752 (unsigned long int) survey->channel_time,
10753 (unsigned long int) survey->channel_time_busy,
10754 (unsigned long int) survey->channel_time_tx,
10755 (unsigned long int) survey->channel_time_rx,
10756 survey->filled);
10757
10758 dl_list_add_tail(survey_list, &survey->list);
10759}
10760
10761
10762static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
10763 unsigned int freq_filter)
10764{
10765 if (!freq_filter)
10766 return 1;
10767
10768 return freq_filter == surveyed_freq;
10769}
10770
10771
10772static int survey_handler(struct nl_msg *msg, void *arg)
10773{
10774 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10775 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10776 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
10777 struct survey_results *survey_results;
10778 u32 surveyed_freq = 0;
10779 u32 ifidx;
10780
10781 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
10782 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
10783 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
10784 };
10785
10786 survey_results = (struct survey_results *) arg;
10787
10788 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10789 genlmsg_attrlen(gnlh, 0), NULL);
10790
e28f39b7
SJ		 10791 if (!tb[NL80211_ATTR_IFINDEX])
10792 return NL_SKIP;
10793
0185007c
MK		 10794 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
10795
10796 if (!tb[NL80211_ATTR_SURVEY_INFO])
10797 return NL_SKIP;
10798
10799 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
10800 tb[NL80211_ATTR_SURVEY_INFO],
10801 survey_policy))
10802 return NL_SKIP;
10803
10804 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
10805 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
10806 return NL_SKIP;
10807 }
10808
10809 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
10810
10811 if (!check_survey_ok(sinfo, surveyed_freq,
10812 survey_results->freq_filter))
10813 return NL_SKIP;
10814
10815 if (survey_results->freq_filter &&
10816 survey_results->freq_filter != surveyed_freq) {
10817 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
10818 surveyed_freq);
10819 return NL_SKIP;
10820 }
10821
10822 add_survey(sinfo, ifidx, &survey_results->survey_list);
10823
10824 return NL_SKIP;
10825}
10826
10827
10828static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
10829{
10830 struct i802_bss *bss = priv;
10831 struct wpa_driver_nl80211_data *drv = bss->drv;
10832 struct nl_msg *msg;
10833 int err = -ENOBUFS;
10834 union wpa_event_data data;
10835 struct survey_results *survey_results;
10836
10837 os_memset(&data, 0, sizeof(data));
10838 survey_results = &data.survey_results;
10839
10840 dl_list_init(&survey_results->survey_list);
10841
10842 msg = nlmsg_alloc();
10843 if (!msg)
10844 goto nla_put_failure;
10845
10846 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
10847
10848 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
10849
10850 if (freq)
10851 data.survey_results.freq_filter = freq;
10852
10853 do {
10854 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
10855 err = send_and_recv_msgs(drv, msg, survey_handler,
10856 survey_results);
10857 } while (err > 0);
10858
10859 if (err) {
10860 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
10861 goto out_clean;
10862 }
10863
10864 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
10865
10866out_clean:
10867 clean_survey_results(survey_results);
10868nla_put_failure:
10869 return err;
10870}
10871
10872
b14a210c
JB		 10873static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
10874 const u8 *replay_ctr)
10875{
10876 struct i802_bss *bss = priv;
10877 struct wpa_driver_nl80211_data *drv = bss->drv;
10878 struct nlattr *replay_nested;
10879 struct nl_msg *msg;
10880
10881 msg = nlmsg_alloc();
10882 if (!msg)
10883 return;
10884
9fb04070 10885 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
b14a210c
JB		 10886
10887 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10888
10889 replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
10890 if (!replay_nested)
10891 goto nla_put_failure;
10892
10893 NLA_PUT(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek);
10894 NLA_PUT(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck);
10895 NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
10896 replay_ctr);
10897
10898 nla_nest_end(msg, replay_nested);
10899
10900 send_and_recv_msgs(drv, msg, NULL, NULL);
10901 return;
10902 nla_put_failure:
10903 nlmsg_free(msg);
10904}
10905
10906
39718852
JB		 10907static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
10908 const u8 *addr, int qos)
bcf24348 10909{
39718852
JB		 10910 /* send data frame to poll STA and check whether
10911 * this frame is ACKed */
bcf24348
JB		 10912 struct {
10913 struct ieee80211_hdr hdr;
10914 u16 qos_ctl;
10915 } STRUCT_PACKED nulldata;
10916 size_t size;
10917
10918 /* Send data frame to poll STA and check whether this frame is ACKed */
10919
10920 os_memset(&nulldata, 0, sizeof(nulldata));
10921
10922 if (qos) {
10923 nulldata.hdr.frame_control =
10924 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10925 WLAN_FC_STYPE_QOS_NULL);
10926 size = sizeof(nulldata);
10927 } else {
10928 nulldata.hdr.frame_control =
10929 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10930 WLAN_FC_STYPE_NULLFUNC);
10931 size = sizeof(struct ieee80211_hdr);
10932 }
10933
10934 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
10935 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
10936 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
10937 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
10938
9ebce9c5
JM		 10939 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
10940 0, 0) < 0)
bcf24348
JB		 10941 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
10942 "send poll frame");
10943}
10944
39718852
JB		 10945static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
10946 int qos)
10947{
10948 struct i802_bss *bss = priv;
10949 struct wpa_driver_nl80211_data *drv = bss->drv;
10950 struct nl_msg *msg;
10951
10952 if (!drv->poll_command_supported) {
10953 nl80211_send_null_frame(bss, own_addr, addr, qos);
10954 return;
10955 }
10956
10957 msg = nlmsg_alloc();
10958 if (!msg)
10959 return;
10960
10961 nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT);
10962
10963 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10964 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
10965
10966 send_and_recv_msgs(drv, msg, NULL, NULL);
10967 return;
10968 nla_put_failure:
10969 nlmsg_free(msg);
10970}
10971
bcf24348 10972
29f338af
JM		 10973static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
10974{
10975 struct nl_msg *msg;
10976
10977 msg = nlmsg_alloc();
10978 if (!msg)
10979 return -ENOMEM;
10980
10981 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE);
10982 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
10983 NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE,
10984 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED);
10985 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
10986nla_put_failure:
10987 nlmsg_free(msg);
10988 return -ENOBUFS;
10989}
10990
10991
10992static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
10993 int ctwindow)
10994{
10995 struct i802_bss *bss = priv;
10996
10997 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
10998 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
10999
0de38036
JM		 11000 if (opp_ps != -1 || ctwindow != -1) {
11001#ifdef ANDROID_P2P
11002 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
11003#else /* ANDROID_P2P */
29f338af 11004 return -1; /* Not yet supported */
0de38036
JM		 11005#endif /* ANDROID_P2P */
11006 }
29f338af
JM		 11007
11008 if (legacy_ps == -1)
11009 return 0;
11010 if (legacy_ps != 0 && legacy_ps != 1)
11011 return -1; /* Not yet supported */
11012
11013 return nl80211_set_power_save(bss, legacy_ps);
11014}
11015
11016
04e8003c
JD		 11017static int nl80211_start_radar_detection(void *priv,
11018 struct hostapd_freq_params *freq)
f90e9c1c
SW		 11019{
11020 struct i802_bss *bss = priv;
11021 struct wpa_driver_nl80211_data *drv = bss->drv;
11022 struct nl_msg *msg;
11023 int ret;
11024
04e8003c
JD		 11025 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)",
11026 freq->freq, freq->ht_enabled, freq->vht_enabled,
11027 freq->bandwidth, freq->center_freq1, freq->center_freq2);
11028
f90e9c1c
SW		 11029 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
11030 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
11031 "detection");
11032 return -1;
11033 }
11034
11035 msg = nlmsg_alloc();
11036 if (!msg)
11037 return -1;
11038
11039 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_RADAR_DETECT);
11040 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
04e8003c 11041 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq);
f90e9c1c 11042
04e8003c
JD		 11043 if (freq->vht_enabled) {
11044 switch (freq->bandwidth) {
11045 case 20:
11046 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
11047 NL80211_CHAN_WIDTH_20);
11048 break;
11049 case 40:
11050 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
11051 NL80211_CHAN_WIDTH_40);
11052 break;
11053 case 80:
11054 if (freq->center_freq2)
11055 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
11056 NL80211_CHAN_WIDTH_80P80);
11057 else
11058 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
11059 NL80211_CHAN_WIDTH_80);
11060 break;
11061 case 160:
11062 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
11063 NL80211_CHAN_WIDTH_160);
11064 break;
11065 default:
11066 return -1;
11067 }
11068 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1);
11069 if (freq->center_freq2)
11070 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2,
11071 freq->center_freq2);
11072 } else if (freq->ht_enabled) {
11073 switch (freq->sec_channel_offset) {
11074 case -1:
11075 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
11076 NL80211_CHAN_HT40MINUS);
11077 break;
11078 case 1:
11079 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
11080 NL80211_CHAN_HT40PLUS);
11081 break;
11082 default:
11083 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
11084 NL80211_CHAN_HT20);
11085 break;
11086 }
11087 }
f90e9c1c
SW		 11088
11089 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11090 if (ret == 0)
11091 return 0;
11092 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
11093 "%d (%s)", ret, strerror(-ret));
11094nla_put_failure:
11095 return -1;
11096}
11097
03ea1786
AN		 11098#ifdef CONFIG_TDLS
11099
11100static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
11101 u8 dialog_token, u16 status_code,
11102 const u8 *buf, size_t len)
11103{
11104 struct i802_bss *bss = priv;
11105 struct wpa_driver_nl80211_data *drv = bss->drv;
11106 struct nl_msg *msg;
11107
11108 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
11109 return -EOPNOTSUPP;
11110
11111 if (!dst)
11112 return -EINVAL;
11113
11114 msg = nlmsg_alloc();
11115 if (!msg)
11116 return -ENOMEM;
11117
11118 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_MGMT);
11119 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
11120 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
11121 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_ACTION, action_code);
11122 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token);
11123 NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status_code);
11124 NLA_PUT(msg, NL80211_ATTR_IE, len, buf);
11125
11126 return send_and_recv_msgs(drv, msg, NULL, NULL);
11127
11128nla_put_failure:
11129 nlmsg_free(msg);
11130 return -ENOBUFS;
11131}
11132
11133
11134static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
11135{
11136 struct i802_bss *bss = priv;
11137 struct wpa_driver_nl80211_data *drv = bss->drv;
11138 struct nl_msg *msg;
11139 enum nl80211_tdls_operation nl80211_oper;
11140
11141 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
11142 return -EOPNOTSUPP;
11143
11144 switch (oper) {
11145 case TDLS_DISCOVERY_REQ:
11146 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
11147 break;
11148 case TDLS_SETUP:
11149 nl80211_oper = NL80211_TDLS_SETUP;
11150 break;
11151 case TDLS_TEARDOWN:
11152 nl80211_oper = NL80211_TDLS_TEARDOWN;
11153 break;
11154 case TDLS_ENABLE_LINK:
11155 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
11156 break;
11157 case TDLS_DISABLE_LINK:
11158 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
11159 break;
11160 case TDLS_ENABLE:
11161 return 0;
11162 case TDLS_DISABLE:
11163 return 0;
11164 default:
11165 return -EINVAL;
11166 }
11167
11168 msg = nlmsg_alloc();
11169 if (!msg)
11170 return -ENOMEM;
11171
11172 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_OPER);
11173 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper);
11174 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
11175 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer);
11176
11177 return send_and_recv_msgs(drv, msg, NULL, NULL);
11178
11179nla_put_failure:
11180 nlmsg_free(msg);
11181 return -ENOBUFS;
11182}
11183
11184#endif /* CONFIG TDLS */
11185
11186
216eede8
DS		 11187#ifdef ANDROID
11188
11189typedef struct android_wifi_priv_cmd {
11190 char *buf;
11191 int used_len;
11192 int total_len;
11193} android_wifi_priv_cmd;
11194
11195static int drv_errors = 0;
11196
11197static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv)
11198{
11199 drv_errors++;
11200 if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) {
11201 drv_errors = 0;
11202 wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED");
11203 }
11204}
11205
11206
11207static int android_priv_cmd(struct i802_bss *bss, const char *cmd)
11208{
11209 struct wpa_driver_nl80211_data *drv = bss->drv;
11210 struct ifreq ifr;
11211 android_wifi_priv_cmd priv_cmd;
11212 char buf[MAX_DRV_CMD_SIZE];
11213 int ret;
11214
11215 os_memset(&ifr, 0, sizeof(ifr));
11216 os_memset(&priv_cmd, 0, sizeof(priv_cmd));
11217 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
11218
11219 os_memset(buf, 0, sizeof(buf));
11220 os_strlcpy(buf, cmd, sizeof(buf));
11221
11222 priv_cmd.buf = buf;
11223 priv_cmd.used_len = sizeof(buf);
11224 priv_cmd.total_len = sizeof(buf);
11225 ifr.ifr_data = &priv_cmd;
11226
11227 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
11228 if (ret < 0) {
11229 wpa_printf(MSG_ERROR, "%s: failed to issue private commands",
11230 __func__);
11231 wpa_driver_send_hang_msg(drv);
11232 return ret;
11233 }
11234
11235 drv_errors = 0;
11236 return 0;
11237}
11238
11239
11240static int android_pno_start(struct i802_bss *bss,
11241 struct wpa_driver_scan_params *params)
11242{
11243 struct wpa_driver_nl80211_data *drv = bss->drv;
11244 struct ifreq ifr;
11245 android_wifi_priv_cmd priv_cmd;
11246 int ret = 0, i = 0, bp;
11247 char buf[WEXT_PNO_MAX_COMMAND_SIZE];
11248
11249 bp = WEXT_PNOSETUP_HEADER_SIZE;
11250 os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp);
11251 buf[bp++] = WEXT_PNO_TLV_PREFIX;
11252 buf[bp++] = WEXT_PNO_TLV_VERSION;
11253 buf[bp++] = WEXT_PNO_TLV_SUBVERSION;
11254 buf[bp++] = WEXT_PNO_TLV_RESERVED;
11255
11256 while (i < WEXT_PNO_AMOUNT && (size_t) i < params->num_ssids) {
11257 /* Check that there is enough space needed for 1 more SSID, the
11258 * other sections and null termination */
11259 if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN +
11260 WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int) sizeof(buf))
11261 break;
11262 wpa_hexdump_ascii(MSG_DEBUG, "For PNO Scan",
a97bde0a
JM		 11263 params->ssids[i].ssid,
11264 params->ssids[i].ssid_len);
216eede8
DS		 11265 buf[bp++] = WEXT_PNO_SSID_SECTION;
11266 buf[bp++] = params->ssids[i].ssid_len;
11267 os_memcpy(&buf[bp], params->ssids[i].ssid,
11268 params->ssids[i].ssid_len);
11269 bp += params->ssids[i].ssid_len;
11270 i++;
11271 }
11272
11273 buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION;
11274 os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x",
11275 WEXT_PNO_SCAN_INTERVAL);
11276 bp += WEXT_PNO_SCAN_INTERVAL_LENGTH;
11277
11278 buf[bp++] = WEXT_PNO_REPEAT_SECTION;
11279 os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x",
11280 WEXT_PNO_REPEAT);
11281 bp += WEXT_PNO_REPEAT_LENGTH;
11282
11283 buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION;
11284 os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x",
11285 WEXT_PNO_MAX_REPEAT);
11286 bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1;
11287
11288 memset(&ifr, 0, sizeof(ifr));
11289 memset(&priv_cmd, 0, sizeof(priv_cmd));
24f051eb 11290 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
216eede8
DS		 11291
11292 priv_cmd.buf = buf;
11293 priv_cmd.used_len = bp;
11294 priv_cmd.total_len = bp;
11295 ifr.ifr_data = &priv_cmd;
11296
11297 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
11298
11299 if (ret < 0) {
11300 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d",
11301 ret);
11302 wpa_driver_send_hang_msg(drv);
11303 return ret;
11304 }
11305
11306 drv_errors = 0;
11307
11308 return android_priv_cmd(bss, "PNOFORCE 1");
11309}
11310
11311
11312static int android_pno_stop(struct i802_bss *bss)
11313{
11314 return android_priv_cmd(bss, "PNOFORCE 0");
11315}
11316
11317#endif /* ANDROID */
11318
11319
9ebce9c5
JM		 11320static int driver_nl80211_set_key(const char *ifname, void *priv,
11321 enum wpa_alg alg, const u8 *addr,
11322 int key_idx, int set_tx,
11323 const u8 *seq, size_t seq_len,
11324 const u8 *key, size_t key_len)
11325{
11326 struct i802_bss *bss = priv;
11327 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
11328 set_tx, seq, seq_len, key, key_len);
11329}
11330
11331
11332static int driver_nl80211_scan2(void *priv,
11333 struct wpa_driver_scan_params *params)
11334{
11335 struct i802_bss *bss = priv;
11336 return wpa_driver_nl80211_scan(bss, params);
11337}
11338
11339
11340static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
11341 int reason_code)
11342{
11343 struct i802_bss *bss = priv;
11344 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
11345}
11346
11347
11348static int driver_nl80211_authenticate(void *priv,
11349 struct wpa_driver_auth_params *params)
11350{
11351 struct i802_bss *bss = priv;
11352 return wpa_driver_nl80211_authenticate(bss, params);
11353}
11354
11355
11356static void driver_nl80211_deinit(void *priv)
11357{
11358 struct i802_bss *bss = priv;
11359 wpa_driver_nl80211_deinit(bss);
11360}
11361
11362
11363static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
11364 const char *ifname)
11365{
11366 struct i802_bss *bss = priv;
11367 return wpa_driver_nl80211_if_remove(bss, type, ifname);
11368}
11369
11370
11371static int driver_nl80211_send_mlme(void *priv, const u8 *data,
11372 size_t data_len, int noack)
11373{
11374 struct i802_bss *bss = priv;
11375 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
11376 0, 0, 0, 0);
11377}
11378
11379
11380static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
11381{
11382 struct i802_bss *bss = priv;
11383 return wpa_driver_nl80211_sta_remove(bss, addr);
11384}
11385
11386
9ebce9c5
JM		 11387static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
11388 const char *ifname, int vlan_id)
11389{
11390 struct i802_bss *bss = priv;
11391 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
11392}
9ebce9c5
JM		 11393
11394
11395static int driver_nl80211_read_sta_data(void *priv,
11396 struct hostap_sta_driver_data *data,
11397 const u8 *addr)
11398{
11399 struct i802_bss *bss = priv;
11400 return i802_read_sta_data(bss, data, addr);
11401}
11402
11403
11404static int driver_nl80211_send_action(void *priv, unsigned int freq,
11405 unsigned int wait_time,
11406 const u8 *dst, const u8 *src,
11407 const u8 *bssid,
11408 const u8 *data, size_t data_len,
11409 int no_cck)
11410{
11411 struct i802_bss *bss = priv;
11412 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
11413 bssid, data, data_len, no_cck);
11414}
11415
11416
11417static int driver_nl80211_probe_req_report(void *priv, int report)
11418{
11419 struct i802_bss *bss = priv;
11420 return wpa_driver_nl80211_probe_req_report(bss, report);
11421}
11422
11423
6a1ce395
DG		 11424static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
11425 const u8 *ies, size_t ies_len)
11426{
11427 int ret;
11428 struct nl_msg *msg;
11429 struct i802_bss *bss = priv;
11430 struct wpa_driver_nl80211_data *drv = bss->drv;
11431 u16 mdid = WPA_GET_LE16(md);
11432
11433 msg = nlmsg_alloc();
11434 if (!msg)
11435 return -ENOMEM;
11436
11437 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
11438 nl80211_cmd(drv, msg, 0, NL80211_CMD_UPDATE_FT_IES);
11439 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
11440 NLA_PUT(msg, NL80211_ATTR_IE, ies_len, ies);
11441 NLA_PUT_U16(msg, NL80211_ATTR_MDID, mdid);
11442
11443 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11444 if (ret) {
11445 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
11446 "err=%d (%s)", ret, strerror(-ret));
11447 }
11448
11449 return ret;
11450
11451nla_put_failure:
11452 nlmsg_free(msg);
11453 return -ENOBUFS;
11454}
11455
11456
597b94f5
AS		 11457const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
11458{
11459 struct i802_bss *bss = priv;
11460 struct wpa_driver_nl80211_data *drv = bss->drv;
11461
11462 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
11463 return NULL;
11464
11465 return bss->addr;
11466}
11467
11468
a771c07d
JM		 11469static const char * scan_state_str(enum scan_states scan_state)
11470{
11471 switch (scan_state) {
11472 case NO_SCAN:
11473 return "NO_SCAN";
11474 case SCAN_REQUESTED:
11475 return "SCAN_REQUESTED";
11476 case SCAN_STARTED:
11477 return "SCAN_STARTED";
11478 case SCAN_COMPLETED:
11479 return "SCAN_COMPLETED";
11480 case SCAN_ABORTED:
11481 return "SCAN_ABORTED";
11482 case SCHED_SCAN_STARTED:
11483 return "SCHED_SCAN_STARTED";
11484 case SCHED_SCAN_STOPPED:
11485 return "SCHED_SCAN_STOPPED";
11486 case SCHED_SCAN_RESULTS:
11487 return "SCHED_SCAN_RESULTS";
11488 }
11489
11490 return "??";
11491}
11492
11493
11494static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
11495{
11496 struct i802_bss *bss = priv;
11497 struct wpa_driver_nl80211_data *drv = bss->drv;
11498 int res;
11499 char *pos, *end;
11500
11501 pos = buf;
11502 end = buf + buflen;
11503
11504 res = os_snprintf(pos, end - pos,
11505 "ifindex=%d\n"
11506 "ifname=%s\n"
11507 "brname=%s\n"
11508 "addr=" MACSTR "\n"
11509 "freq=%d\n"
11510 "%s%s%s%s%s",
11511 bss->ifindex,
11512 bss->ifname,
11513 bss->brname,
11514 MAC2STR(bss->addr),
11515 bss->freq,
11516 bss->beacon_set ? "beacon_set=1\n" : "",
11517 bss->added_if_into_bridge ?
11518 "added_if_into_bridge=1\n" : "",
11519 bss->added_bridge ? "added_bridge=1\n" : "",
11520 bss->in_deinit ? "in_deinit=1\n" : "",
11521 bss->if_dynamic ? "if_dynamic=1\n" : "");
11522 if (res < 0 || res >= end - pos)
11523 return pos - buf;
11524 pos += res;
11525
11526 if (bss->wdev_id_set) {
11527 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
11528 (unsigned long long) bss->wdev_id);
11529 if (res < 0 || res >= end - pos)
11530 return pos - buf;
11531 pos += res;
11532 }
11533
11534 res = os_snprintf(pos, end - pos,
11535 "phyname=%s\n"
11536 "drv_ifindex=%d\n"
11537 "operstate=%d\n"
11538 "scan_state=%s\n"
11539 "auth_bssid=" MACSTR "\n"
11540 "auth_attempt_bssid=" MACSTR "\n"
11541 "bssid=" MACSTR "\n"
11542 "prev_bssid=" MACSTR "\n"
11543 "associated=%d\n"
11544 "assoc_freq=%u\n"
11545 "monitor_sock=%d\n"
11546 "monitor_ifidx=%d\n"
11547 "monitor_refcount=%d\n"
11548 "last_mgmt_freq=%u\n"
11549 "eapol_tx_sock=%d\n"
11550 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
11551 drv->phyname,
11552 drv->ifindex,
11553 drv->operstate,
11554 scan_state_str(drv->scan_state),
11555 MAC2STR(drv->auth_bssid),
11556 MAC2STR(drv->auth_attempt_bssid),
11557 MAC2STR(drv->bssid),
11558 MAC2STR(drv->prev_bssid),
11559 drv->associated,
11560 drv->assoc_freq,
11561 drv->monitor_sock,
11562 drv->monitor_ifidx,
11563 drv->monitor_refcount,
11564 drv->last_mgmt_freq,
11565 drv->eapol_tx_sock,
11566 drv->ignore_if_down_event ?
11567 "ignore_if_down_event=1\n" : "",
11568 drv->scan_complete_events ?
11569 "scan_complete_events=1\n" : "",
11570 drv->disabled_11b_rates ?
11571 "disabled_11b_rates=1\n" : "",
11572 drv->pending_remain_on_chan ?
11573 "pending_remain_on_chan=1\n" : "",
11574 drv->in_interface_list ? "in_interface_list=1\n" : "",
11575 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
11576 drv->poll_command_supported ?
11577 "poll_command_supported=1\n" : "",
11578 drv->data_tx_status ? "data_tx_status=1\n" : "",
11579 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
11580 drv->retry_auth ? "retry_auth=1\n" : "",
11581 drv->use_monitor ? "use_monitor=1\n" : "",
11582 drv->ignore_next_local_disconnect ?
11583 "ignore_next_local_disconnect=1\n" : "",
11584 drv->allow_p2p_device ? "allow_p2p_device=1\n" : "");
11585 if (res < 0 || res >= end - pos)
11586 return pos - buf;
11587 pos += res;
11588
11589 if (drv->has_capability) {
11590 res = os_snprintf(pos, end - pos,
11591 "capa.key_mgmt=0x%x\n"
11592 "capa.enc=0x%x\n"
11593 "capa.auth=0x%x\n"
11594 "capa.flags=0x%x\n"
11595 "capa.max_scan_ssids=%d\n"
11596 "capa.max_sched_scan_ssids=%d\n"
11597 "capa.sched_scan_supported=%d\n"
11598 "capa.max_match_sets=%d\n"
11599 "capa.max_remain_on_chan=%u\n"
11600 "capa.max_stations=%u\n"
11601 "capa.probe_resp_offloads=0x%x\n"
11602 "capa.max_acl_mac_addrs=%u\n"
11603 "capa.num_multichan_concurrent=%u\n",
11604 drv->capa.key_mgmt,
11605 drv->capa.enc,
11606 drv->capa.auth,
11607 drv->capa.flags,
11608 drv->capa.max_scan_ssids,
11609 drv->capa.max_sched_scan_ssids,
11610 drv->capa.sched_scan_supported,
11611 drv->capa.max_match_sets,
11612 drv->capa.max_remain_on_chan,
11613 drv->capa.max_stations,
11614 drv->capa.probe_resp_offloads,
11615 drv->capa.max_acl_mac_addrs,
11616 drv->capa.num_multichan_concurrent);
11617 if (res < 0 || res >= end - pos)
11618 return pos - buf;
11619 pos += res;
11620 }
11621
11622 return pos - buf;
11623}
11624
11625
1c4ffa87
AO		 11626static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
11627{
11628 if (settings->head)
11629 NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD,
11630 settings->head_len, settings->head);
11631
11632 if (settings->tail)
11633 NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL,
11634 settings->tail_len, settings->tail);
11635
11636 if (settings->beacon_ies)
11637 NLA_PUT(msg, NL80211_ATTR_IE,
11638 settings->beacon_ies_len, settings->beacon_ies);
11639
11640 if (settings->proberesp_ies)
11641 NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP,
11642 settings->proberesp_ies_len, settings->proberesp_ies);
11643
11644 if (settings->assocresp_ies)
11645 NLA_PUT(msg,
11646 NL80211_ATTR_IE_ASSOC_RESP,
11647 settings->assocresp_ies_len, settings->assocresp_ies);
11648
11649 if (settings->probe_resp)
11650 NLA_PUT(msg, NL80211_ATTR_PROBE_RESP,
11651 settings->probe_resp_len, settings->probe_resp);
11652
11653 return 0;
11654
11655nla_put_failure:
11656 return -ENOBUFS;
11657}
11658
11659
11660static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
11661{
11662 struct nl_msg *msg;
11663 struct i802_bss *bss = priv;
11664 struct wpa_driver_nl80211_data *drv = bss->drv;
11665 struct nlattr *beacon_csa;
11666 int ret = -ENOBUFS;
11667
8d1fdde7 11668 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
1c4ffa87 11669 settings->cs_count, settings->block_tx,
8d1fdde7
JD		 11670 settings->freq_params.freq, settings->freq_params.bandwidth,
11671 settings->freq_params.center_freq1,
11672 settings->freq_params.center_freq2);
1c4ffa87 11673
991aa9c7 11674 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
1c4ffa87
AO		 11675 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
11676 return -EOPNOTSUPP;
11677 }
11678
11679 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
11680 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
11681 return -EOPNOTSUPP;
11682
11683 /* check settings validity */
11684 if (!settings->beacon_csa.tail ||
11685 ((settings->beacon_csa.tail_len <=
11686 settings->counter_offset_beacon) ||
11687 (settings->beacon_csa.tail[settings->counter_offset_beacon] !=
11688 settings->cs_count)))
11689 return -EINVAL;
11690
11691 if (settings->beacon_csa.probe_resp &&
11692 ((settings->beacon_csa.probe_resp_len <=
11693 settings->counter_offset_presp) ||
11694 (settings->beacon_csa.probe_resp[settings->counter_offset_presp] !=
11695 settings->cs_count)))
11696 return -EINVAL;
11697
11698 msg = nlmsg_alloc();
11699 if (!msg)
11700 return -ENOMEM;
11701
11702 nl80211_cmd(drv, msg, 0, NL80211_CMD_CHANNEL_SWITCH);
11703 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
11704 NLA_PUT_U32(msg, NL80211_ATTR_CH_SWITCH_COUNT, settings->cs_count);
11705 ret = nl80211_put_freq_params(msg, &settings->freq_params);
11706 if (ret)
11707 goto error;
11708
11709 if (settings->block_tx)
11710 NLA_PUT_FLAG(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX);
11711
11712 /* beacon_after params */
11713 ret = set_beacon_data(msg, &settings->beacon_after);
11714 if (ret)
11715 goto error;
11716
11717 /* beacon_csa params */
11718 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
11719 if (!beacon_csa)
11720 goto nla_put_failure;
11721
11722 ret = set_beacon_data(msg, &settings->beacon_csa);
11723 if (ret)
11724 goto error;
11725
11726 NLA_PUT_U16(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
11727 settings->counter_offset_beacon);
11728
11729 if (settings->beacon_csa.probe_resp)
11730 NLA_PUT_U16(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
11731 settings->counter_offset_presp);
11732
11733 nla_nest_end(msg, beacon_csa);
11734 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11735 if (ret) {
11736 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
11737 ret, strerror(-ret));
11738 }
11739 return ret;
11740
11741nla_put_failure:
11742 ret = -ENOBUFS;
11743error:
11744 nlmsg_free(msg);
11745 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
11746 return ret;
11747}
11748
11749
6b9f7af6
JM		 11750#ifdef CONFIG_TESTING_OPTIONS
11751static int cmd_reply_handler(struct nl_msg *msg, void *arg)
11752{
11753 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
11754 struct wpabuf *buf = arg;
11755
11756 if (!buf)
11757 return NL_SKIP;
11758
11759 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
11760 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
11761 return NL_SKIP;
11762 }
11763
11764 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
11765 genlmsg_attrlen(gnlh, 0));
11766
11767 return NL_SKIP;
11768}
11769#endif /* CONFIG_TESTING_OPTIONS */
11770
11771
adef8948
BL		 11772static int vendor_reply_handler(struct nl_msg *msg, void *arg)
11773{
11774 struct nlattr *tb[NL80211_ATTR_MAX + 1];
11775 struct nlattr *nl_vendor_reply, *nl;
11776 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
11777 struct wpabuf *buf = arg;
11778 int rem;
11779
11780 if (!buf)
11781 return NL_SKIP;
11782
11783 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
11784 genlmsg_attrlen(gnlh, 0), NULL);
11785 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
11786
11787 if (!nl_vendor_reply)
11788 return NL_SKIP;
11789
11790 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
11791 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
11792 return NL_SKIP;
11793 }
11794
11795 nla_for_each_nested(nl, nl_vendor_reply, rem) {
11796 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
11797 }
11798
11799 return NL_SKIP;
11800}
11801
11802
11803static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
11804 unsigned int subcmd, const u8 *data,
11805 size_t data_len, struct wpabuf *buf)
11806{
11807 struct i802_bss *bss = priv;
11808 struct wpa_driver_nl80211_data *drv = bss->drv;
11809 struct nl_msg *msg;
11810 int ret;
11811
11812 msg = nlmsg_alloc();
11813 if (!msg)
11814 return -ENOMEM;
11815
6b9f7af6
JM		 11816#ifdef CONFIG_TESTING_OPTIONS
11817 if (vendor_id == 0xffffffff) {
11818 nl80211_cmd(drv, msg, 0, subcmd);
11819 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
11820 0)
11821 goto nla_put_failure;
11822 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
11823 if (ret)
11824 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
11825 ret);
11826 return ret;
11827 }
11828#endif /* CONFIG_TESTING_OPTIONS */
11829
adef8948
BL		 11830 nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR);
11831 if (nl80211_set_iface_id(msg, bss) < 0)
11832 goto nla_put_failure;
11833 NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, vendor_id);
11834 NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd);
11835 if (data)
11836 NLA_PUT(msg, NL80211_ATTR_VENDOR_DATA, data_len, data);
11837
11838 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
11839 if (ret)
11840 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
11841 ret);
11842 return ret;
11843
11844nla_put_failure:
11845 nlmsg_free(msg);
11846 return -ENOBUFS;
11847}
11848
11849
049105b4
KP		 11850static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
11851 u8 qos_map_set_len)
11852{
11853 struct i802_bss *bss = priv;
11854 struct wpa_driver_nl80211_data *drv = bss->drv;
11855 struct nl_msg *msg;
11856 int ret;
11857
11858 msg = nlmsg_alloc();
11859 if (!msg)
11860 return -ENOMEM;
11861
11862 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
11863 qos_map_set, qos_map_set_len);
11864
11865 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_QOS_MAP);
11866 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
11867 NLA_PUT(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set);
11868
11869 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
11870 if (ret)
11871 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
11872
11873 return ret;
11874
11875nla_put_failure:
11876 nlmsg_free(msg);
11877 return -ENOBUFS;
11878}
11879
11880
3f5285e8
JM		 11881const struct wpa_driver_ops wpa_driver_nl80211_ops = {
11882 .name = "nl80211",
11883 .desc = "Linux nl80211/cfg80211",
11884 .get_bssid = wpa_driver_nl80211_get_bssid,
11885 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 11886 .set_key = driver_nl80211_set_key,
11887 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 11888 .sched_scan = wpa_driver_nl80211_sched_scan,
11889 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 11890 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
9ebce9c5
JM		 11891 .deauthenticate = driver_nl80211_deauthenticate,
11892 .authenticate = driver_nl80211_authenticate,
3f5285e8 11893 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 11894 .global_init = nl80211_global_init,
11895 .global_deinit = nl80211_global_deinit,
11896 .init2 = wpa_driver_nl80211_init,
9ebce9c5 11897 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 11898 .get_capa = wpa_driver_nl80211_get_capa,
11899 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 11900 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 11901 .set_country = wpa_driver_nl80211_set_country,
f0793bf1 11902 .get_country = wpa_driver_nl80211_get_country,
19c3b566 11903 .set_ap = wpa_driver_nl80211_set_ap,
3c4ca363 11904 .set_acl = wpa_driver_nl80211_set_acl,
22a7c9d7 11905 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 11906 .if_remove = driver_nl80211_if_remove,
11907 .send_mlme = driver_nl80211_send_mlme,
c3965310 11908 .get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
0f4e8b4f 11909 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 11910 .sta_remove = driver_nl80211_sta_remove,
db149ac9 11911 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 11912 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837 11913 .hapd_init = i802_init,
c5121837 11914 .hapd_deinit = i802_deinit,
f7b3920c 11915 .set_wds_sta = i802_set_wds_sta,
c5121837
JM		 11916 .get_seqnum = i802_get_seqnum,
11917 .flush = i802_flush,
c5121837
JM		 11918 .get_inact_sec = i802_get_inact_sec,
11919 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 11920 .set_rts = i802_set_rts,
11921 .set_frag = i802_set_frag,
c5121837 11922 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 11923 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 11924 .sta_deauth = i802_sta_deauth,
11925 .sta_disassoc = i802_sta_disassoc,
9ebce9c5 11926 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 11927 .set_freq = i802_set_freq,
9ebce9c5 11928 .send_action = driver_nl80211_send_action,
5dfca53f 11929 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 11930 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
11931 .cancel_remain_on_channel =
11932 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 11933 .probe_req_report = driver_nl80211_probe_req_report,
af473088 11934 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 11935 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 11936 .resume = wpa_driver_nl80211_resume,
7b90c16a 11937 .send_ft_action = nl80211_send_ft_action,
b625473c 11938 .signal_monitor = nl80211_signal_monitor,
1c5c7273 11939 .signal_poll = nl80211_signal_poll,
b91ab76e 11940 .send_frame = nl80211_send_frame,
57ebba59 11941 .shared_freq = wpa_driver_nl80211_shared_freq,
c55f774d 11942 .set_param = nl80211_set_param,
6859f1cb 11943 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 11944 .add_pmkid = nl80211_add_pmkid,
11945 .remove_pmkid = nl80211_remove_pmkid,
11946 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 11947 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 11948 .poll_client = nl80211_poll_client,
29f338af 11949 .set_p2p_powersave = nl80211_set_p2p_powersave,
f90e9c1c 11950 .start_dfs_cac = nl80211_start_radar_detection,
695c7038 11951 .stop_ap = wpa_driver_nl80211_stop_ap,
03ea1786
AN		 11952#ifdef CONFIG_TDLS
11953 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
11954 .tdls_oper = nl80211_tdls_oper,
11955#endif /* CONFIG_TDLS */
6a1ce395 11956 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
597b94f5 11957 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
0185007c 11958 .get_survey = wpa_driver_nl80211_get_survey,
a771c07d 11959 .status = wpa_driver_nl80211_status,
1c4ffa87 11960 .switch_channel = nl80211_switch_channel,
0de38036
JM		 11961#ifdef ANDROID_P2P
11962 .set_noa = wpa_driver_set_p2p_noa,
11963 .get_noa = wpa_driver_get_p2p_noa,
11964 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
11965#endif /* ANDROID_P2P */
5e2c3490
JM		 11966#ifdef ANDROID
11967 .driver_cmd = wpa_driver_nl80211_driver_cmd,
11968#endif /* ANDROID */
adef8948 11969 .vendor_cmd = nl80211_vendor_cmd,
049105b4 11970 .set_qos_map = nl80211_set_qos_map,
3f5285e8 11971};
Unnamed repository; edit this file 'description' to name the repository.