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TDLS: Fix add/set STA operation
[thirdparty/hostap.git] / src / drivers / driver_nl80211.c
CommitLineData
3f5285e8 1/*
c5121837 2 * Driver interaction with Linux nl80211/cfg80211
3d9975d5 3 * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
072ad14c
JM		 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
58f6fbe0 7 * Copyright (c) 2009-2010, Atheros Communications
3f5285e8 8 *
0f3d578e
JM		 9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
3f5285e8
JM		 11 */
12
13#include "includes.h"
14#include <sys/ioctl.h>
6859f1cb
BG		 15#include <sys/types.h>
16#include <sys/stat.h>
17#include <fcntl.h>
37b7d082 18#include <net/if.h>
3f5285e8
JM		 19#include <netlink/genl/genl.h>
20#include <netlink/genl/family.h>
21#include <netlink/genl/ctrl.h>
8602b0f2 22#include <linux/rtnetlink.h>
1b648c7e
JM		 23#include <netpacket/packet.h>
24#include <linux/filter.h>
32ab4855 25#include <linux/errqueue.h>
7e45830a 26#include "nl80211_copy.h"
625f587b 27
3f5285e8 28#include "common.h"
1b648c7e 29#include "eloop.h"
f2ed8023 30#include "utils/list.h"
1b648c7e 31#include "common/ieee802_11_defs.h"
9b90955e 32#include "common/ieee802_11_common.h"
f10bfc9a 33#include "l2_packet/l2_packet.h"
e2d02c29 34#include "netlink.h"
34f2f814 35#include "linux_ioctl.h"
e2d02c29
JM		 36#include "radiotap.h"
37#include "radiotap_iter.h"
8401a6b0 38#include "rfkill.h"
1b648c7e 39#include "driver.h"
0915d02c 40
32ab4855
JB		 41#ifndef SO_WIFI_STATUS
42# if defined(__sparc__)
43# define SO_WIFI_STATUS 0x0025
44# elif defined(__parisc__)
45# define SO_WIFI_STATUS 0x4022
46# else
47# define SO_WIFI_STATUS 41
48# endif
49
50# define SCM_WIFI_STATUS SO_WIFI_STATUS
51#endif
52
53#ifndef SO_EE_ORIGIN_TXSTATUS
54#define SO_EE_ORIGIN_TXSTATUS 4
55#endif
56
57#ifndef PACKET_TX_TIMESTAMP
58#define PACKET_TX_TIMESTAMP 16
59#endif
60
216eede8
DS		 61#ifdef ANDROID
62#include "android_drv.h"
df2f9ec6
JM		 63
64/* system/core/libnl_2 in AOSP does not include nla_put_u32() */
65int nla_put_u32(struct nl_msg *msg, int attrtype, uint32_t value)
66{
67 return nla_put(msg, attrtype, sizeof(uint32_t), &value);
68}
216eede8 69#endif /* ANDROID */
c5121837
JM		 70#ifdef CONFIG_LIBNL20
71/* libnl 2.0 compatibility code */
2e8eac2d 72#define nl_handle nl_sock
a65a9aed
JB		 73#define nl80211_handle_alloc nl_socket_alloc_cb
74#define nl80211_handle_destroy nl_socket_free
75#else
76/*
77 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
78 * but when you free a socket again it will mess up its bitmap and
79 * and use the wrong number the next time it needs a socket ID.
80 * Therefore, we wrap the handle alloc/destroy and add our own pid
81 * accounting.
82 */
83static uint32_t port_bitmap[32] = { 0 };
84
85static struct nl_handle *nl80211_handle_alloc(void *cb)
86{
87 struct nl_handle *handle;
88 uint32_t pid = getpid() & 0x3FFFFF;
89 int i;
90
91 handle = nl_handle_alloc_cb(cb);
92
93 for (i = 0; i < 1024; i++) {
94 if (port_bitmap[i / 32] & (1 << (i % 32)))
95 continue;
96 port_bitmap[i / 32] |= 1 << (i % 32);
97 pid += i << 22;
98 break;
99 }
100
101 nl_socket_set_local_port(handle, pid);
102
103 return handle;
104}
105
106static void nl80211_handle_destroy(struct nl_handle *handle)
107{
108 uint32_t port = nl_socket_get_local_port(handle);
109
110 port >>= 22;
111 port_bitmap[port / 32] &= ~(1 << (port % 32));
112
113 nl_handle_destroy(handle);
114}
c5121837
JM		 115#endif /* CONFIG_LIBNL20 */
116
c5121837 117
481234cf 118static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
a92dfde8 119{
481234cf 120 struct nl_handle *handle;
a92dfde8 121
481234cf
JM		 122 handle = nl80211_handle_alloc(cb);
123 if (handle == NULL) {
a92dfde8
JB		 124 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
125 "callbacks (%s)", dbg);
481234cf 126 return NULL;
a92dfde8
JB		 127 }
128
481234cf 129 if (genl_connect(handle)) {
a92dfde8
JB		 130 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
131 "netlink (%s)", dbg);
481234cf
JM		 132 nl80211_handle_destroy(handle);
133 return NULL;
a92dfde8
JB		 134 }
135
481234cf 136 return handle;
a92dfde8
JB		 137}
138
139
481234cf 140static void nl_destroy_handles(struct nl_handle **handle)
a92dfde8 141{
481234cf 142 if (*handle == NULL)
a92dfde8 143 return;
481234cf
JM		 144 nl80211_handle_destroy(*handle);
145 *handle = NULL;
a92dfde8
JB		 146}
147
148
3f5285e8
JM		 149#ifndef IFF_LOWER_UP
150#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
151#endif
152#ifndef IFF_DORMANT
153#define IFF_DORMANT 0x20000 /* driver signals dormant */
154#endif
155
156#ifndef IF_OPER_DORMANT
157#define IF_OPER_DORMANT 5
158#endif
159#ifndef IF_OPER_UP
160#define IF_OPER_UP 6
161#endif
162
f2ed8023
JM		 163struct nl80211_global {
164 struct dl_list interfaces;
ff6a158b 165 int if_add_ifindex;
36d84860 166 struct netlink_data *netlink;
2a7b66f5 167 struct nl_cb *nl_cb;
481234cf 168 struct nl_handle *nl;
335d42b1 169 int nl80211_id;
c81eff1a 170 int ioctl_sock; /* socket for ioctl() use */
d6c9aab8 171
481234cf 172 struct nl_handle *nl_event;
f2ed8023
JM		 173};
174
e32ad281
JB		 175struct nl80211_wiphy_data {
176 struct dl_list list;
177 struct dl_list bsss;
178 struct dl_list drvs;
179
481234cf 180 struct nl_handle *nl_beacons;
e32ad281
JB		 181 struct nl_cb *nl_cb;
182
183 int wiphy_idx;
184};
185
36d84860
BG		 186static void nl80211_global_deinit(void *priv);
187
c5121837 188struct i802_bss {
a2e40bb6 189 struct wpa_driver_nl80211_data *drv;
c5121837 190 struct i802_bss *next;
b4fd6fab 191 int ifindex;
a2e40bb6 192 char ifname[IFNAMSIZ + 1];
e17a2477 193 char brname[IFNAMSIZ];
c5121837 194 unsigned int beacon_set:1;
e17a2477
JM		 195 unsigned int added_if_into_bridge:1;
196 unsigned int added_bridge:1;
873d0fcf 197 unsigned int in_deinit:1;
221a59c9 198
341eebee
JB		 199 u8 addr[ETH_ALEN];
200
e4fb2167
JB		 201 int freq;
202
a5e1eb20 203 void *ctx;
481234cf 204 struct nl_handle *nl_preq, *nl_mgmt;
cc7a48d1 205 struct nl_cb *nl_cb;
e32ad281
JB		 206
207 struct nl80211_wiphy_data *wiphy_data;
208 struct dl_list wiphy_list;
c5121837 209};
3f5285e8
JM		 210
211struct wpa_driver_nl80211_data {
f2ed8023
JM		 212 struct nl80211_global *global;
213 struct dl_list list;
e32ad281 214 struct dl_list wiphy_list;
6859f1cb 215 char phyname[32];
3f5285e8 216 void *ctx;
3f5285e8 217 int ifindex;
7524cfb1 218 int if_removed;
a63063b4 219 int if_disabled;
7d9c3698 220 int ignore_if_down_event;
8401a6b0 221 struct rfkill_data *rfkill;
c2a04078
JM		 222 struct wpa_driver_capa capa;
223 int has_capability;
c2a04078 224
3f5285e8
JM		 225 int operstate;
226
3f5285e8
JM		 227 int scan_complete_events;
228
1afc986d 229 struct nl_cb *nl_cb;
1c873584 230
e6b8efeb 231 u8 auth_bssid[ETH_ALEN];
c2a04078
JM		 232 u8 bssid[ETH_ALEN];
233 int associated;
fd05d64e
JM		 234 u8 ssid[32];
235 size_t ssid_len;
b1f625e0
EP		 236 enum nl80211_iftype nlmode;
237 enum nl80211_iftype ap_scan_as_station;
4832ecd7 238 unsigned int assoc_freq;
d2440ba0 239
0915d02c
JM		 240 int monitor_sock;
241 int monitor_ifidx;
3fd1cefb 242 int monitor_refcount;
7da3abe7 243
b3af99d2 244 unsigned int disabled_11b_rates:1;
55777702 245 unsigned int pending_remain_on_chan:1;
dac12351 246 unsigned int in_interface_list:1;
61cbe2ff 247 unsigned int device_ap_sme:1;
39718852 248 unsigned int poll_command_supported:1;
32ab4855 249 unsigned int data_tx_status:1;
536fd62d
JM		 250 unsigned int scan_for_auth:1;
251 unsigned int retry_auth:1;
a11241fa 252 unsigned int use_monitor:1;
a8c5b43a 253 unsigned int ignore_next_local_disconnect:1;
55777702
JM		 254
255 u64 remain_on_chan_cookie;
58f6fbe0 256 u64 send_action_cookie;
c5121837 257
5582a5d1
JB		 258 unsigned int last_mgmt_freq;
259
3812464c
JM		 260 struct wpa_driver_scan_filter *filter_ssids;
261 size_t num_filter_ssids;
262
a2e40bb6
FF		 263 struct i802_bss first_bss;
264
d12dab4c 265 int eapol_tx_sock;
f10bfc9a 266
c5121837 267#ifdef HOSTAPD
c5121837 268 int eapol_sock; /* socket for EAPOL frames */
c5121837
JM		 269
270 int default_if_indices[16];
271 int *if_indices;
272 int num_if_indices;
273
c5121837
JM		 274 int last_freq;
275 int last_freq_ht;
c5121837 276#endif /* HOSTAPD */
536fd62d
JM		 277
278 /* From failed authentication command */
279 int auth_freq;
280 u8 auth_bssid_[ETH_ALEN];
281 u8 auth_ssid[32];
282 size_t auth_ssid_len;
283 int auth_alg;
284 u8 *auth_ie;
285 size_t auth_ie_len;
286 u8 auth_wep_key[4][16];
287 size_t auth_wep_key_len[4];
288 int auth_wep_tx_keyidx;
289 int auth_local_state_change;
290 int auth_p2p;
3f5285e8
JM		 291};
292
293
9ebce9c5 294static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
3f5285e8
JM		 295static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx,
296 void *timeout_ctx);
b1f625e0
EP		 297static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
298 enum nl80211_iftype nlmode);
362f781e 299static int
7524cfb1 300wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv);
d72aad94 301static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 302 const u8 *addr, int cmd, u16 reason_code,
303 int local_state_change);
460456f8
JM		 304static void nl80211_remove_monitor_interface(
305 struct wpa_driver_nl80211_data *drv);
88df0ef7 306static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f 307 unsigned int freq, unsigned int wait,
b106173a 308 const u8 *buf, size_t buf_len, u64 *cookie,
88df0ef7 309 int no_cck, int no_ack, int offchanok);
9ebce9c5
JM		 310static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
311 int report);
216eede8
DS		 312#ifdef ANDROID
313static int android_pno_start(struct i802_bss *bss,
314 struct wpa_driver_scan_params *params);
315static int android_pno_stop(struct i802_bss *bss);
316#endif /* ANDROID */
0915d02c 317
072ad14c 318#ifdef HOSTAPD
2135f224
JM		 319static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
320static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
97cfcf64 321static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
9ebce9c5 322static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
fbbfcbac
FF		 323 enum wpa_driver_if_type type,
324 const char *ifname);
37eb8da9 325#else /* HOSTAPD */
bd2df892
JM		 326static inline void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
327{
328}
329
330static inline void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
331{
332}
333
334static inline int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
37eb8da9
JM		 335{
336 return 0;
337}
072ad14c
JM		 338#endif /* HOSTAPD */
339
9ebce9c5
JM		 340static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
341 struct hostapd_freq_params *freq);
4e5cb1a3
JM		 342static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
343 int ifindex, int disabled);
504e905c 344
21bdbe38 345static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv);
536fd62d
JM		 346static int wpa_driver_nl80211_authenticate_retry(
347 struct wpa_driver_nl80211_data *drv);
21bdbe38 348
3f5285e8 349
b1f625e0
EP		 350static int is_ap_interface(enum nl80211_iftype nlmode)
351{
352 return (nlmode == NL80211_IFTYPE_AP ||
353 nlmode == NL80211_IFTYPE_P2P_GO);
354}
355
356
357static int is_sta_interface(enum nl80211_iftype nlmode)
358{
359 return (nlmode == NL80211_IFTYPE_STATION ||
360 nlmode == NL80211_IFTYPE_P2P_CLIENT);
361}
362
363
b3af99d2
JM		 364static int is_p2p_interface(enum nl80211_iftype nlmode)
365{
366 return (nlmode == NL80211_IFTYPE_P2P_CLIENT ||
367 nlmode == NL80211_IFTYPE_P2P_GO);
368}
369
370
f5a8d422
JM		 371struct nl80211_bss_info_arg {
372 struct wpa_driver_nl80211_data *drv;
373 struct wpa_scan_results *res;
374 unsigned int assoc_freq;
20f5a4c2 375 u8 assoc_bssid[ETH_ALEN];
f5a8d422
JM		 376};
377
378static int bss_info_handler(struct nl_msg *msg, void *arg);
379
380
6241fcb1
JM		 381/* nl80211 code */
382static int ack_handler(struct nl_msg *msg, void *arg)
383{
384 int *err = arg;
385 *err = 0;
386 return NL_STOP;
387}
388
389static int finish_handler(struct nl_msg *msg, void *arg)
390{
8e8df255
JM		 391 int *ret = arg;
392 *ret = 0;
6241fcb1
JM		 393 return NL_SKIP;
394}
395
396static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
397 void *arg)
398{
399 int *ret = arg;
400 *ret = err->error;
401 return NL_SKIP;
402}
403
5b7b85f6
JM		 404
405static int no_seq_check(struct nl_msg *msg, void *arg)
406{
407 return NL_OK;
408}
409
410
d6c9aab8 411static int send_and_recv(struct nl80211_global *global,
58f6fbe0
JM		 412 struct nl_handle *nl_handle, struct nl_msg *msg,
413 int (*valid_handler)(struct nl_msg *, void *),
414 void *valid_data)
6241fcb1
JM		 415{
416 struct nl_cb *cb;
417 int err = -ENOMEM;
418
d6c9aab8 419 cb = nl_cb_clone(global->nl_cb);
6241fcb1
JM		 420 if (!cb)
421 goto out;
422
58f6fbe0 423 err = nl_send_auto_complete(nl_handle, msg);
6241fcb1
JM		 424 if (err < 0)
425 goto out;
426
427 err = 1;
428
429 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
8e8df255 430 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
6241fcb1
JM		 431 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
432
433 if (valid_handler)
434 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
435 valid_handler, valid_data);
436
437 while (err > 0)
58f6fbe0 438 nl_recvmsgs(nl_handle, cb);
6241fcb1
JM		 439 out:
440 nl_cb_put(cb);
441 nlmsg_free(msg);
442 return err;
443}
444
445
d6c9aab8
JB		 446static int send_and_recv_msgs_global(struct nl80211_global *global,
447 struct nl_msg *msg,
448 int (*valid_handler)(struct nl_msg *, void *),
449 void *valid_data)
450{
481234cf 451 return send_and_recv(global, global->nl, msg, valid_handler,
d6c9aab8
JB		 452 valid_data);
453}
454
455
58f6fbe0
JM		 456static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
457 struct nl_msg *msg,
458 int (*valid_handler)(struct nl_msg *, void *),
459 void *valid_data)
460{
481234cf 461 return send_and_recv(drv->global, drv->global->nl, msg,
d6c9aab8 462 valid_handler, valid_data);
58f6fbe0
JM		 463}
464
465
97865538
JM		 466struct family_data {
467 const char *group;
468 int id;
469};
470
471
472static int family_handler(struct nl_msg *msg, void *arg)
473{
474 struct family_data *res = arg;
475 struct nlattr *tb[CTRL_ATTR_MAX + 1];
476 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
477 struct nlattr *mcgrp;
478 int i;
479
480 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
481 genlmsg_attrlen(gnlh, 0), NULL);
482 if (!tb[CTRL_ATTR_MCAST_GROUPS])
483 return NL_SKIP;
484
485 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
486 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
487 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
488 nla_len(mcgrp), NULL);
489 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
490 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
491 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
492 res->group,
493 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
494 continue;
495 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
496 break;
497 };
498
499 return NL_SKIP;
500}
501
502
d6c9aab8 503static int nl_get_multicast_id(struct nl80211_global *global,
97865538
JM		 504 const char *family, const char *group)
505{
506 struct nl_msg *msg;
507 int ret = -1;
508 struct family_data res = { group, -ENOENT };
509
510 msg = nlmsg_alloc();
511 if (!msg)
512 return -ENOMEM;
481234cf 513 genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
97865538
JM		 514 0, 0, CTRL_CMD_GETFAMILY, 0);
515 NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family);
516
d6c9aab8 517 ret = send_and_recv_msgs_global(global, msg, family_handler, &res);
97865538
JM		 518 msg = NULL;
519 if (ret == 0)
520 ret = res.id;
521
522nla_put_failure:
523 nlmsg_free(msg);
524 return ret;
525}
526
527
9fb04070
JM		 528static void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
529 struct nl_msg *msg, int flags, uint8_t cmd)
530{
335d42b1 531 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
276e2d67 532 0, flags, cmd, 0);
9fb04070
JM		 533}
534
535
e32ad281
JB		 536struct wiphy_idx_data {
537 int wiphy_idx;
538};
539
540
541static int netdev_info_handler(struct nl_msg *msg, void *arg)
542{
543 struct nlattr *tb[NL80211_ATTR_MAX + 1];
544 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
545 struct wiphy_idx_data *info = arg;
546
547 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
548 genlmsg_attrlen(gnlh, 0), NULL);
549
550 if (tb[NL80211_ATTR_WIPHY])
551 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
552
553 return NL_SKIP;
554}
555
556
557static int nl80211_get_wiphy_index(struct i802_bss *bss)
558{
559 struct nl_msg *msg;
560 struct wiphy_idx_data data = {
561 .wiphy_idx = -1,
562 };
563
564 msg = nlmsg_alloc();
565 if (!msg)
566 return -1;
567
568 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE);
569
570 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
571
572 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
573 return data.wiphy_idx;
574 msg = NULL;
575nla_put_failure:
576 nlmsg_free(msg);
577 return -1;
578}
579
580
581static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
582 struct nl80211_wiphy_data *w)
583{
584 struct nl_msg *msg;
585 int ret = -1;
586
587 msg = nlmsg_alloc();
588 if (!msg)
589 return -1;
590
591 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS);
592
593 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx);
594
481234cf 595 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
e32ad281
JB		 596 msg = NULL;
597 if (ret) {
598 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
599 "failed: ret=%d (%s)",
600 ret, strerror(-ret));
601 goto nla_put_failure;
602 }
603 ret = 0;
604nla_put_failure:
605 nlmsg_free(msg);
606 return ret;
607}
608
609
610static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
611{
612 struct nl80211_wiphy_data *w = eloop_ctx;
613
ee9fc67a 614 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
e32ad281
JB		 615
616 nl_recvmsgs(handle, w->nl_cb);
617}
618
619
620static int process_beacon_event(struct nl_msg *msg, void *arg)
621{
622 struct nl80211_wiphy_data *w = arg;
623 struct wpa_driver_nl80211_data *drv;
624 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
625 struct nlattr *tb[NL80211_ATTR_MAX + 1];
626 union wpa_event_data event;
627
628 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
629 genlmsg_attrlen(gnlh, 0), NULL);
630
631 if (gnlh->cmd != NL80211_CMD_FRAME) {
632 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
633 gnlh->cmd);
634 return NL_SKIP;
635 }
636
637 if (!tb[NL80211_ATTR_FRAME])
638 return NL_SKIP;
639
640 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
641 wiphy_list) {
642 os_memset(&event, 0, sizeof(event));
643 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
644 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
645 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
646 }
647
648 return NL_SKIP;
649}
650
651
652static struct nl80211_wiphy_data *
653nl80211_get_wiphy_data_ap(struct i802_bss *bss)
654{
655 static DEFINE_DL_LIST(nl80211_wiphys);
656 struct nl80211_wiphy_data *w;
657 int wiphy_idx, found = 0;
658 struct i802_bss *tmp_bss;
659
660 if (bss->wiphy_data != NULL)
661 return bss->wiphy_data;
662
663 wiphy_idx = nl80211_get_wiphy_index(bss);
664
665 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
666 if (w->wiphy_idx == wiphy_idx)
667 goto add;
668 }
669
670 /* alloc new one */
671 w = os_zalloc(sizeof(*w));
672 if (w == NULL)
673 return NULL;
674 w->wiphy_idx = wiphy_idx;
675 dl_list_init(&w->bsss);
676 dl_list_init(&w->drvs);
677
678 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
679 if (!w->nl_cb) {
680 os_free(w);
681 return NULL;
682 }
683 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
684 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
685 w);
686
481234cf
JM		 687 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
688 "wiphy beacons");
689 if (w->nl_beacons == NULL) {
e32ad281
JB		 690 os_free(w);
691 return NULL;
692 }
693
694 if (nl80211_register_beacons(bss->drv, w)) {
695 nl_destroy_handles(&w->nl_beacons);
696 os_free(w);
697 return NULL;
698 }
699
481234cf
JM		 700 eloop_register_read_sock(nl_socket_get_fd(w->nl_beacons),
701 nl80211_recv_beacons, w, w->nl_beacons);
e32ad281
JB		 702
703 dl_list_add(&nl80211_wiphys, &w->list);
704
705add:
706 /* drv entry for this bss already there? */
707 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
708 if (tmp_bss->drv == bss->drv) {
709 found = 1;
710 break;
711 }
712 }
713 /* if not add it */
714 if (!found)
715 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
716
717 dl_list_add(&w->bsss, &bss->wiphy_list);
718 bss->wiphy_data = w;
719 return w;
720}
721
722
723static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
724{
725 struct nl80211_wiphy_data *w = bss->wiphy_data;
726 struct i802_bss *tmp_bss;
727 int found = 0;
728
729 if (w == NULL)
730 return;
731 bss->wiphy_data = NULL;
732 dl_list_del(&bss->wiphy_list);
733
734 /* still any for this drv present? */
735 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
736 if (tmp_bss->drv == bss->drv) {
737 found = 1;
738 break;
739 }
740 }
741 /* if not remove it */
742 if (!found)
743 dl_list_del(&bss->drv->wiphy_list);
744
745 if (!dl_list_empty(&w->bsss))
746 return;
747
481234cf 748 eloop_unregister_read_sock(nl_socket_get_fd(w->nl_beacons));
e32ad281
JB		 749
750 nl_cb_put(w->nl_cb);
751 nl_destroy_handles(&w->nl_beacons);
752 dl_list_del(&w->list);
753 os_free(w);
754}
755
756
3f5285e8
JM		 757static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
758{
a2e40bb6
FF		 759 struct i802_bss *bss = priv;
760 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 761 if (!drv->associated)
762 return -1;
763 os_memcpy(bssid, drv->bssid, ETH_ALEN);
764 return 0;
3f5285e8
JM		 765}
766
767
3f5285e8
JM		 768static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
769{
a2e40bb6
FF		 770 struct i802_bss *bss = priv;
771 struct wpa_driver_nl80211_data *drv = bss->drv;
fd05d64e
JM		 772 if (!drv->associated)
773 return -1;
774 os_memcpy(ssid, drv->ssid, drv->ssid_len);
775 return drv->ssid_len;
3f5285e8
JM		 776}
777
778
7524cfb1 779static void wpa_driver_nl80211_event_link(struct wpa_driver_nl80211_data *drv,
08063178 780 char *buf, size_t len, int del)
3f5285e8
JM		 781{
782 union wpa_event_data event;
783
784 os_memset(&event, 0, sizeof(event));
785 if (len > sizeof(event.interface_status.ifname))
786 len = sizeof(event.interface_status.ifname) - 1;
787 os_memcpy(event.interface_status.ifname, buf, len);
788 event.interface_status.ievent = del ? EVENT_INTERFACE_REMOVED :
789 EVENT_INTERFACE_ADDED;
790
791 wpa_printf(MSG_DEBUG, "RTM_%sLINK, IFLA_IFNAME: Interface '%s' %s",
792 del ? "DEL" : "NEW",
793 event.interface_status.ifname,
794 del ? "removed" : "added");
795
a2e40bb6 796 if (os_strcmp(drv->first_bss.ifname, event.interface_status.ifname) == 0) {
d1f4942b
JM		 797 if (del) {
798 if (drv->if_removed) {
799 wpa_printf(MSG_DEBUG, "nl80211: if_removed "
800 "already set - ignore event");
801 return;
802 }
7524cfb1 803 drv->if_removed = 1;
d1f4942b
JM		 804 } else {
805 if (if_nametoindex(drv->first_bss.ifname) == 0) {
806 wpa_printf(MSG_DEBUG, "nl80211: Interface %s "
807 "does not exist - ignore "
808 "RTM_NEWLINK",
809 drv->first_bss.ifname);
810 return;
811 }
812 if (!drv->if_removed) {
813 wpa_printf(MSG_DEBUG, "nl80211: if_removed "
814 "already cleared - ignore event");
815 return;
816 }
7524cfb1 817 drv->if_removed = 0;
d1f4942b 818 }
7524cfb1
JM		 819 }
820
08063178 821 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
3f5285e8
JM		 822}
823
824
7524cfb1 825static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
62d680c3 826 u8 *buf, size_t len)
7524cfb1 827{
62d680c3 828 int attrlen, rta_len;
7524cfb1
JM		 829 struct rtattr *attr;
830
62d680c3
JM		 831 attrlen = len;
832 attr = (struct rtattr *) buf;
7524cfb1
JM		 833
834 rta_len = RTA_ALIGN(sizeof(struct rtattr));
835 while (RTA_OK(attr, attrlen)) {
836 if (attr->rta_type == IFLA_IFNAME) {
a2e40bb6 837 if (os_strcmp(((char *) attr) + rta_len, drv->first_bss.ifname)
7524cfb1
JM		 838 == 0)
839 return 1;
840 else
841 break;
842 }
843 attr = RTA_NEXT(attr, attrlen);
844 }
845
846 return 0;
847}
848
849
850static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
62d680c3 851 int ifindex, u8 *buf, size_t len)
7524cfb1
JM		 852{
853 if (drv->ifindex == ifindex)
854 return 1;
855
62d680c3 856 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
a2e40bb6 857 drv->first_bss.ifindex = if_nametoindex(drv->first_bss.ifname);
7524cfb1
JM		 858 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
859 "interface");
860 wpa_driver_nl80211_finish_drv_init(drv);
861 return 1;
862 }
863
864 return 0;
865}
866
867
36d84860
BG		 868static struct wpa_driver_nl80211_data *
869nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
870{
871 struct wpa_driver_nl80211_data *drv;
872 dl_list_for_each(drv, &global->interfaces,
873 struct wpa_driver_nl80211_data, list) {
874 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
875 have_ifidx(drv, idx))
876 return drv;
877 }
878 return NULL;
879}
880
881
62d680c3
JM		 882static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
883 struct ifinfomsg *ifi,
884 u8 *buf, size_t len)
3f5285e8 885{
36d84860
BG		 886 struct nl80211_global *global = ctx;
887 struct wpa_driver_nl80211_data *drv;
62d680c3
JM		 888 int attrlen, rta_len;
889 struct rtattr *attr;
97cfcf64 890 u32 brid = 0;
aef85ba2 891 char namebuf[IFNAMSIZ];
3f5285e8 892
36d84860
BG		 893 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
894 if (!drv) {
97cfcf64
B		 895 wpa_printf(MSG_DEBUG, "nl80211: Ignore event for foreign "
896 "ifindex %d", ifi->ifi_index);
3f5285e8
JM		 897 return;
898 }
899
900 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: operstate=%d ifi_flags=0x%x "
901 "(%s%s%s%s)",
902 drv->operstate, ifi->ifi_flags,
903 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
904 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
905 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
906 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
a63063b4
JM		 907
908 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
59d24925
JM		 909 if (if_indextoname(ifi->ifi_index, namebuf) &&
910 linux_iface_up(drv->global->ioctl_sock,
911 drv->first_bss.ifname) > 0) {
912 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
913 "event since interface %s is up", namebuf);
914 return;
915 }
a63063b4 916 wpa_printf(MSG_DEBUG, "nl80211: Interface down");
7d9c3698
JM		 917 if (drv->ignore_if_down_event) {
918 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
919 "event generated by mode change");
920 drv->ignore_if_down_event = 0;
921 } else {
922 drv->if_disabled = 1;
923 wpa_supplicant_event(drv->ctx,
924 EVENT_INTERFACE_DISABLED, NULL);
925 }
a63063b4
JM		 926 }
927
928 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
aef85ba2
JM		 929 if (if_indextoname(ifi->ifi_index, namebuf) &&
930 linux_iface_up(drv->global->ioctl_sock,
931 drv->first_bss.ifname) == 0) {
932 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
933 "event since interface %s is down",
934 namebuf);
d1f4942b
JM		 935 } else if (if_nametoindex(drv->first_bss.ifname) == 0) {
936 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
937 "event since interface %s does not exist",
938 drv->first_bss.ifname);
939 } else if (drv->if_removed) {
940 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
941 "event since interface %s is marked "
942 "removed", drv->first_bss.ifname);
aef85ba2
JM		 943 } else {
944 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
945 drv->if_disabled = 0;
946 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
947 NULL);
948 }
a63063b4
JM		 949 }
950
3f5285e8
JM		 951 /*
952 * Some drivers send the association event before the operup event--in
953 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
954 * fails. This will hit us when wpa_supplicant does not need to do
955 * IEEE 802.1X authentication
956 */
957 if (drv->operstate == 1 &&
958 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
959 !(ifi->ifi_flags & IFF_RUNNING))
36d84860 960 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 961 -1, IF_OPER_UP);
3f5285e8 962
62d680c3
JM		 963 attrlen = len;
964 attr = (struct rtattr *) buf;
3f5285e8
JM		 965 rta_len = RTA_ALIGN(sizeof(struct rtattr));
966 while (RTA_OK(attr, attrlen)) {
d8816397 967 if (attr->rta_type == IFLA_IFNAME) {
7524cfb1 968 wpa_driver_nl80211_event_link(
08063178 969 drv,
7524cfb1
JM		 970 ((char *) attr) + rta_len,
971 attr->rta_len - rta_len, 0);
97cfcf64
B		 972 } else if (attr->rta_type == IFLA_MASTER)
973 brid = nla_get_u32((struct nlattr *) attr);
3f5285e8
JM		 974 attr = RTA_NEXT(attr, attrlen);
975 }
97cfcf64
B		 976
977 if (ifi->ifi_family == AF_BRIDGE && brid) {
978 /* device has been added to bridge */
97cfcf64
B		 979 if_indextoname(brid, namebuf);
980 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
981 brid, namebuf);
982 add_ifidx(drv, brid);
983 }
3f5285e8
JM		 984}
985
986
62d680c3
JM		 987static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
988 struct ifinfomsg *ifi,
989 u8 *buf, size_t len)
3f5285e8 990{
36d84860
BG		 991 struct nl80211_global *global = ctx;
992 struct wpa_driver_nl80211_data *drv;
62d680c3
JM		 993 int attrlen, rta_len;
994 struct rtattr *attr;
97cfcf64 995 u32 brid = 0;
3f5285e8 996
36d84860
BG		 997 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
998 if (!drv) {
999 wpa_printf(MSG_DEBUG, "nl80211: Ignore dellink event for "
1000 "foreign ifindex %d", ifi->ifi_index);
1001 return;
1002 }
1003
62d680c3
JM		 1004 attrlen = len;
1005 attr = (struct rtattr *) buf;
3f5285e8
JM		 1006
1007 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1008 while (RTA_OK(attr, attrlen)) {
1009 if (attr->rta_type == IFLA_IFNAME) {
7524cfb1 1010 wpa_driver_nl80211_event_link(
08063178 1011 drv,
7524cfb1
JM		 1012 ((char *) attr) + rta_len,
1013 attr->rta_len - rta_len, 1);
97cfcf64
B		 1014 } else if (attr->rta_type == IFLA_MASTER)
1015 brid = nla_get_u32((struct nlattr *) attr);
3f5285e8
JM		 1016 attr = RTA_NEXT(attr, attrlen);
1017 }
97cfcf64
B		 1018
1019 if (ifi->ifi_family == AF_BRIDGE && brid) {
1020 /* device has been removed from bridge */
1021 char namebuf[IFNAMSIZ];
1022 if_indextoname(brid, namebuf);
1023 wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
1024 "%s", brid, namebuf);
1025 del_ifidx(drv, brid);
1026 }
3f5285e8
JM		 1027}
1028
1029
c2a04078
JM		 1030static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
1031 const u8 *frame, size_t len)
1032{
1033 const struct ieee80211_mgmt *mgmt;
1034 union wpa_event_data event;
1035
7d81932d 1036 wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
c2a04078
JM		 1037 mgmt = (const struct ieee80211_mgmt *) frame;
1038 if (len < 24 + sizeof(mgmt->u.auth)) {
1039 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1040 "frame");
1041 return;
1042 }
1043
e6b8efeb 1044 os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
c2a04078
JM		 1045 os_memset(&event, 0, sizeof(event));
1046 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
1047 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
569fed90
JM		 1048 event.auth.auth_transaction =
1049 le_to_host16(mgmt->u.auth.auth_transaction);
c2a04078
JM		 1050 event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
1051 if (len > 24 + sizeof(mgmt->u.auth)) {
1052 event.auth.ies = mgmt->u.auth.variable;
1053 event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
1054 }
1055
1056 wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
1057}
1058
1059
f5a8d422
JM		 1060static unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1061{
1062 struct nl_msg *msg;
1063 int ret;
1064 struct nl80211_bss_info_arg arg;
1065
1066 os_memset(&arg, 0, sizeof(arg));
1067 msg = nlmsg_alloc();
1068 if (!msg)
1069 goto nla_put_failure;
1070
9fb04070 1071 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
f5a8d422
JM		 1072 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
1073
1074 arg.drv = drv;
1075 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1076 msg = NULL;
1077 if (ret == 0) {
1078 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1079 "associated BSS from scan results: %u MHz",
1080 arg.assoc_freq);
1081 return arg.assoc_freq ? arg.assoc_freq : drv->assoc_freq;
1082 }
1083 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1084 "(%s)", ret, strerror(-ret));
1085nla_put_failure:
1086 nlmsg_free(msg);
1087 return drv->assoc_freq;
1088}
1089
1090
c2a04078
JM		 1091static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
1092 const u8 *frame, size_t len)
1093{
1094 const struct ieee80211_mgmt *mgmt;
1095 union wpa_event_data event;
1096 u16 status;
1097
7d81932d 1098 wpa_printf(MSG_DEBUG, "nl80211: Associate event");
c2a04078
JM		 1099 mgmt = (const struct ieee80211_mgmt *) frame;
1100 if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
1101 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
1102 "frame");
1103 return;
1104 }
1105
1106 status = le_to_host16(mgmt->u.assoc_resp.status_code);
1107 if (status != WLAN_STATUS_SUCCESS) {
efa46078 1108 os_memset(&event, 0, sizeof(event));
59ddf221 1109 event.assoc_reject.bssid = mgmt->bssid;
efa46078
JM		 1110 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1111 event.assoc_reject.resp_ies =
1112 (u8 *) mgmt->u.assoc_resp.variable;
1113 event.assoc_reject.resp_ies_len =
1114 len - 24 - sizeof(mgmt->u.assoc_resp);
1115 }
1116 event.assoc_reject.status_code = status;
1117
1118 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
c2a04078
JM		 1119 return;
1120 }
1121
1122 drv->associated = 1;
1123 os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
1124
1125 os_memset(&event, 0, sizeof(event));
1126 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
1127 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
1128 event.assoc_info.resp_ies_len =
efa46078 1129 len - 24 - sizeof(mgmt->u.assoc_resp);
c2a04078
JM		 1130 }
1131
4832ecd7
JM		 1132 event.assoc_info.freq = drv->assoc_freq;
1133
c2a04078
JM		 1134 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1135}
1136
c1bb3e0a 1137
da72a1c1
ZY		 1138static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
1139 enum nl80211_commands cmd, struct nlattr *status,
1140 struct nlattr *addr, struct nlattr *req_ie,
1141 struct nlattr *resp_ie)
1142{
1143 union wpa_event_data event;
1144
7da2c527
JM		 1145 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1146 /*
1147 * Avoid reporting two association events that would confuse
1148 * the core code.
1149 */
1150 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
1151 "when using userspace SME", cmd);
1152 return;
1153 }
1154
7d81932d
JM		 1155 if (cmd == NL80211_CMD_CONNECT)
1156 wpa_printf(MSG_DEBUG, "nl80211: Connect event");
1157 else if (cmd == NL80211_CMD_ROAM)
1158 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
1159
da72a1c1
ZY		 1160 os_memset(&event, 0, sizeof(event));
1161 if (cmd == NL80211_CMD_CONNECT &&
1162 nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
df89c1c8
JM		 1163 if (addr)
1164 event.assoc_reject.bssid = nla_data(addr);
da72a1c1
ZY		 1165 if (resp_ie) {
1166 event.assoc_reject.resp_ies = nla_data(resp_ie);
1167 event.assoc_reject.resp_ies_len = nla_len(resp_ie);
1168 }
1169 event.assoc_reject.status_code = nla_get_u16(status);
1170 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
1171 return;
1172 }
1173
1174 drv->associated = 1;
1175 if (addr)
1176 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
1177
1178 if (req_ie) {
1179 event.assoc_info.req_ies = nla_data(req_ie);
1180 event.assoc_info.req_ies_len = nla_len(req_ie);
1181 }
1182 if (resp_ie) {
1183 event.assoc_info.resp_ies = nla_data(resp_ie);
1184 event.assoc_info.resp_ies_len = nla_len(resp_ie);
1185 }
1186
f5a8d422
JM		 1187 event.assoc_info.freq = nl80211_get_assoc_freq(drv);
1188
da72a1c1
ZY		 1189 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1190}
c2a04078 1191
c1bb3e0a 1192
20f5a4c2 1193static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
3d9975d5
JM		 1194 struct nlattr *reason, struct nlattr *addr,
1195 struct nlattr *by_ap)
20f5a4c2
JM		 1196{
1197 union wpa_event_data data;
a8c5b43a 1198 unsigned int locally_generated = by_ap == NULL;
20f5a4c2
JM		 1199
1200 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1201 /*
1202 * Avoid reporting two disassociation events that could
1203 * confuse the core code.
1204 */
1205 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1206 "event when using userspace SME");
1207 return;
1208 }
1209
a8c5b43a
CW		 1210 if (drv->ignore_next_local_disconnect) {
1211 drv->ignore_next_local_disconnect = 0;
1212 if (locally_generated) {
1213 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
1214 "event triggered during reassociation");
1215 return;
1216 }
1217 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
1218 "disconnect but got another disconnect "
1219 "event first");
1220 }
1221
7d81932d 1222 wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
20f5a4c2
JM		 1223 drv->associated = 0;
1224 os_memset(&data, 0, sizeof(data));
1225 if (reason)
2e9f078c
JM		 1226 data.deauth_info.reason_code = nla_get_u16(reason);
1227 data.deauth_info.locally_generated = by_ap == NULL;
1228 wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
20f5a4c2
JM		 1229}
1230
1231
1b487b8b
TP		 1232static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
1233 struct nlattr *freq, struct nlattr *type)
1234{
1235 union wpa_event_data data;
1236 int ht_enabled = 1;
1237 int chan_offset = 0;
1238
1239 wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
1240
1241 if (!freq || !type)
1242 return;
1243
1244 switch (nla_get_u32(type)) {
1245 case NL80211_CHAN_NO_HT:
1246 ht_enabled = 0;
1247 break;
1248 case NL80211_CHAN_HT20:
1249 break;
1250 case NL80211_CHAN_HT40PLUS:
1251 chan_offset = 1;
1252 break;
1253 case NL80211_CHAN_HT40MINUS:
1254 chan_offset = -1;
1255 break;
1256 }
1257
1258 data.ch_switch.freq = nla_get_u32(freq);
1259 data.ch_switch.ht_enabled = ht_enabled;
1260 data.ch_switch.ch_offset = chan_offset;
1261
1262 wpa_supplicant_event(drv->ctx, EVENT_CH_SWITCH, &data);
1263}
1264
1265
da1fb17c
JM		 1266static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
1267 enum nl80211_commands cmd, struct nlattr *addr)
1268{
1269 union wpa_event_data event;
1270 enum wpa_event_type ev;
1271
1272 if (nla_len(addr) != ETH_ALEN)
1273 return;
1274
1275 wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
1276 cmd, MAC2STR((u8 *) nla_data(addr)));
1277
1278 if (cmd == NL80211_CMD_AUTHENTICATE)
1279 ev = EVENT_AUTH_TIMED_OUT;
1280 else if (cmd == NL80211_CMD_ASSOCIATE)
1281 ev = EVENT_ASSOC_TIMED_OUT;
1282 else
1283 return;
1284
1285 os_memset(&event, 0, sizeof(event));
1286 os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
1287 wpa_supplicant_event(drv->ctx, ev, &event);
1288}
1289
1290
5582a5d1 1291static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv,
da873dbb
JB		 1292 struct nlattr *freq, struct nlattr *sig,
1293 const u8 *frame, size_t len)
58f6fbe0
JM		 1294{
1295 const struct ieee80211_mgmt *mgmt;
1296 union wpa_event_data event;
1297 u16 fc, stype;
da873dbb 1298 int ssi_signal = 0;
58f6fbe0 1299
7d81932d 1300 wpa_printf(MSG_DEBUG, "nl80211: Frame event");
58f6fbe0
JM		 1301 mgmt = (const struct ieee80211_mgmt *) frame;
1302 if (len < 24) {
1303 wpa_printf(MSG_DEBUG, "nl80211: Too short action frame");
1304 return;
1305 }
1306
1307 fc = le_to_host16(mgmt->frame_control);
1308 stype = WLAN_FC_GET_STYPE(fc);
1309
da873dbb
JB		 1310 if (sig)
1311 ssi_signal = (s32) nla_get_u32(sig);
1312
58f6fbe0 1313 os_memset(&event, 0, sizeof(event));
5582a5d1 1314 if (freq) {
58f6fbe0 1315 event.rx_action.freq = nla_get_u32(freq);
5582a5d1
JB		 1316 drv->last_mgmt_freq = event.rx_action.freq;
1317 }
1318 if (stype == WLAN_FC_STYPE_ACTION) {
1319 event.rx_action.da = mgmt->da;
1320 event.rx_action.sa = mgmt->sa;
1321 event.rx_action.bssid = mgmt->bssid;
1322 event.rx_action.category = mgmt->u.action.category;
1323 event.rx_action.data = &mgmt->u.action.category + 1;
1324 event.rx_action.len = frame + len - event.rx_action.data;
1325 wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event);
1326 } else {
1327 event.rx_mgmt.frame = frame;
1328 event.rx_mgmt.frame_len = len;
da873dbb 1329 event.rx_mgmt.ssi_signal = ssi_signal;
5582a5d1
JB		 1330 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
1331 }
58f6fbe0
JM		 1332}
1333
1334
a11241fa
JB		 1335static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
1336 struct nlattr *cookie, const u8 *frame,
1337 size_t len, struct nlattr *ack)
58f6fbe0
JM		 1338{
1339 union wpa_event_data event;
1340 const struct ieee80211_hdr *hdr;
1341 u16 fc;
58f6fbe0 1342
7d81932d 1343 wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
a11241fa
JB		 1344 if (!is_ap_interface(drv->nlmode)) {
1345 u64 cookie_val;
58f6fbe0 1346
a11241fa
JB		 1347 if (!cookie)
1348 return;
1349
1350 cookie_val = nla_get_u64(cookie);
1351 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
1352 " cookie=0%llx%s (ack=%d)",
1353 (long long unsigned int) cookie_val,
1354 cookie_val == drv->send_action_cookie ?
1355 " (match)" : " (unknown)", ack != NULL);
1356 if (cookie_val != drv->send_action_cookie)
1357 return;
1358 }
58f6fbe0
JM		 1359
1360 hdr = (const struct ieee80211_hdr *) frame;
1361 fc = le_to_host16(hdr->frame_control);
1362
1363 os_memset(&event, 0, sizeof(event));
1364 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
1365 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
1366 event.tx_status.dst = hdr->addr1;
1367 event.tx_status.data = frame;
1368 event.tx_status.data_len = len;
1369 event.tx_status.ack = ack != NULL;
1370 wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
1371}
1372
1373
0544b242
JM		 1374static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
1375 enum wpa_event_type type,
1376 const u8 *frame, size_t len)
1377{
1378 const struct ieee80211_mgmt *mgmt;
1379 union wpa_event_data event;
1380 const u8 *bssid = NULL;
1381 u16 reason_code = 0;
1382
7d81932d
JM		 1383 if (type == EVENT_DEAUTH)
1384 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
1385 else
1386 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
1387
cb30b297
PS		 1388 mgmt = (const struct ieee80211_mgmt *) frame;
1389 if (len >= 24) {
1390 bssid = mgmt->bssid;
1391
1392 if (drv->associated != 0 &&
1393 os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
1394 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
1395 /*
1396 * We have presumably received this deauth as a
1397 * response to a clear_state_mismatch() outgoing
1398 * deauth. Don't let it take us offline!
1399 */
1400 wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
1401 "from Unknown BSSID " MACSTR " -- ignoring",
1402 MAC2STR(bssid));
1403 return;
1404 }
1405 }
1406
0544b242
JM		 1407 drv->associated = 0;
1408 os_memset(&event, 0, sizeof(event));
1409
0544b242
JM		 1410 /* Note: Same offset for Reason Code in both frame subtypes */
1411 if (len >= 24 + sizeof(mgmt->u.deauth))
1412 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1413
1414 if (type == EVENT_DISASSOC) {
3d9975d5
JM		 1415 event.disassoc_info.locally_generated =
1416 !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN);
0544b242
JM		 1417 event.disassoc_info.addr = bssid;
1418 event.disassoc_info.reason_code = reason_code;
046b26a2
JM		 1419 if (frame + len > mgmt->u.disassoc.variable) {
1420 event.disassoc_info.ie = mgmt->u.disassoc.variable;
1421 event.disassoc_info.ie_len = frame + len -
1422 mgmt->u.disassoc.variable;
1423 }
0544b242 1424 } else {
3d9975d5
JM		 1425 event.deauth_info.locally_generated =
1426 !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN);
0544b242
JM		 1427 event.deauth_info.addr = bssid;
1428 event.deauth_info.reason_code = reason_code;
046b26a2
JM		 1429 if (frame + len > mgmt->u.deauth.variable) {
1430 event.deauth_info.ie = mgmt->u.deauth.variable;
1431 event.deauth_info.ie_len = frame + len -
1432 mgmt->u.deauth.variable;
1433 }
0544b242
JM		 1434 }
1435
1436 wpa_supplicant_event(drv->ctx, type, &event);
1437}
1438
1439
7d878ca7
JM		 1440static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
1441 enum wpa_event_type type,
1442 const u8 *frame, size_t len)
1443{
1444 const struct ieee80211_mgmt *mgmt;
1445 union wpa_event_data event;
1446 u16 reason_code = 0;
1447
7d81932d
JM		 1448 if (type == EVENT_UNPROT_DEAUTH)
1449 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
1450 else
1451 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
1452
7d878ca7
JM		 1453 if (len < 24)
1454 return;
1455
1456 mgmt = (const struct ieee80211_mgmt *) frame;
1457
1458 os_memset(&event, 0, sizeof(event));
1459 /* Note: Same offset for Reason Code in both frame subtypes */
1460 if (len >= 24 + sizeof(mgmt->u.deauth))
1461 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1462
1463 if (type == EVENT_UNPROT_DISASSOC) {
1464 event.unprot_disassoc.sa = mgmt->sa;
1465 event.unprot_disassoc.da = mgmt->da;
1466 event.unprot_disassoc.reason_code = reason_code;
1467 } else {
1468 event.unprot_deauth.sa = mgmt->sa;
1469 event.unprot_deauth.da = mgmt->da;
1470 event.unprot_deauth.reason_code = reason_code;
1471 }
1472
1473 wpa_supplicant_event(drv->ctx, type, &event);
1474}
1475
1476
c2a04078 1477static void mlme_event(struct wpa_driver_nl80211_data *drv,
da1fb17c 1478 enum nl80211_commands cmd, struct nlattr *frame,
58f6fbe0
JM		 1479 struct nlattr *addr, struct nlattr *timed_out,
1480 struct nlattr *freq, struct nlattr *ack,
da873dbb 1481 struct nlattr *cookie, struct nlattr *sig)
c2a04078 1482{
da1fb17c
JM		 1483 if (timed_out && addr) {
1484 mlme_timeout_event(drv, cmd, addr);
1485 return;
1486 }
1487
c2a04078
JM		 1488 if (frame == NULL) {
1489 wpa_printf(MSG_DEBUG, "nl80211: MLME event %d without frame "
1490 "data", cmd);
1491 return;
1492 }
1493
1494 wpa_printf(MSG_DEBUG, "nl80211: MLME event %d", cmd);
1495 wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
1496 nla_data(frame), nla_len(frame));
1497
1498 switch (cmd) {
1499 case NL80211_CMD_AUTHENTICATE:
1500 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
1501 break;
1502 case NL80211_CMD_ASSOCIATE:
1503 mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
1504 break;
1505 case NL80211_CMD_DEAUTHENTICATE:
0544b242
JM		 1506 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
1507 nla_data(frame), nla_len(frame));
c2a04078
JM		 1508 break;
1509 case NL80211_CMD_DISASSOCIATE:
0544b242
JM		 1510 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
1511 nla_data(frame), nla_len(frame));
c2a04078 1512 break;
bd94971e 1513 case NL80211_CMD_FRAME:
da873dbb
JB		 1514 mlme_event_mgmt(drv, freq, sig, nla_data(frame),
1515 nla_len(frame));
58f6fbe0 1516 break;
bd94971e 1517 case NL80211_CMD_FRAME_TX_STATUS:
a11241fa
JB		 1518 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
1519 nla_len(frame), ack);
58f6fbe0 1520 break;
7d878ca7
JM		 1521 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
1522 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
1523 nla_data(frame), nla_len(frame));
1524 break;
1525 case NL80211_CMD_UNPROT_DISASSOCIATE:
1526 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
1527 nla_data(frame), nla_len(frame));
1528 break;
c2a04078
JM		 1529 default:
1530 break;
1531 }
1532}
1533
1534
a5e1eb20 1535static void mlme_event_michael_mic_failure(struct i802_bss *bss,
35583f3f
JM		 1536 struct nlattr *tb[])
1537{
1538 union wpa_event_data data;
1539
1540 wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
1541 os_memset(&data, 0, sizeof(data));
1542 if (tb[NL80211_ATTR_MAC]) {
1543 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
1544 nla_data(tb[NL80211_ATTR_MAC]),
1545 nla_len(tb[NL80211_ATTR_MAC]));
ad1e68e6 1546 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
35583f3f
JM		 1547 }
1548 if (tb[NL80211_ATTR_KEY_SEQ]) {
1549 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
1550 nla_data(tb[NL80211_ATTR_KEY_SEQ]),
1551 nla_len(tb[NL80211_ATTR_KEY_SEQ]));
1552 }
1553 if (tb[NL80211_ATTR_KEY_TYPE]) {
1554 enum nl80211_key_type key_type =
1555 nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
1556 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
1557 if (key_type == NL80211_KEYTYPE_PAIRWISE)
1558 data.michael_mic_failure.unicast = 1;
1559 } else
1560 data.michael_mic_failure.unicast = 1;
1561
1562 if (tb[NL80211_ATTR_KEY_IDX]) {
1563 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
1564 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
1565 }
1566
a5e1eb20 1567 wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
35583f3f
JM		 1568}
1569
1570
5cc4d64b
JM		 1571static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
1572 struct nlattr *tb[])
1573{
1574 if (tb[NL80211_ATTR_MAC] == NULL) {
1575 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
1576 "event");
1577 return;
1578 }
1579 os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1580 drv->associated = 1;
1581 wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
1582 MAC2STR(drv->bssid));
1583
1584 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1585}
1586
1587
55777702
JM		 1588static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
1589 int cancel_event, struct nlattr *tb[])
1590{
1591 unsigned int freq, chan_type, duration;
1592 union wpa_event_data data;
1593 u64 cookie;
1594
1595 if (tb[NL80211_ATTR_WIPHY_FREQ])
1596 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1597 else
1598 freq = 0;
1599
1600 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
1601 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1602 else
1603 chan_type = 0;
1604
1605 if (tb[NL80211_ATTR_DURATION])
1606 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
1607 else
1608 duration = 0;
1609
1610 if (tb[NL80211_ATTR_COOKIE])
1611 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1612 else
1613 cookie = 0;
1614
1615 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
1616 "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
1617 cancel_event, freq, chan_type, duration,
1618 (long long unsigned int) cookie,
1619 cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
1620
1621 if (cookie != drv->remain_on_chan_cookie)
1622 return; /* not for us */
1623
531f0331
JB		 1624 if (cancel_event)
1625 drv->pending_remain_on_chan = 0;
55777702
JM		 1626
1627 os_memset(&data, 0, sizeof(data));
1628 data.remain_on_channel.freq = freq;
1629 data.remain_on_channel.duration = duration;
1630 wpa_supplicant_event(drv->ctx, cancel_event ?
1631 EVENT_CANCEL_REMAIN_ON_CHANNEL :
1632 EVENT_REMAIN_ON_CHANNEL, &data);
1633}
1634
1635
8d923a4a
JM		 1636static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
1637 struct nlattr *tb[])
1638{
1639 union wpa_event_data event;
1640 struct nlattr *nl;
1641 int rem;
1642 struct scan_info *info;
1643#define MAX_REPORT_FREQS 50
1644 int freqs[MAX_REPORT_FREQS];
1645 int num_freqs = 0;
1646
536fd62d
JM		 1647 if (drv->scan_for_auth) {
1648 drv->scan_for_auth = 0;
1649 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
1650 "cfg80211 BSS entry");
1651 wpa_driver_nl80211_authenticate_retry(drv);
1652 return;
1653 }
1654
8d923a4a
JM		 1655 os_memset(&event, 0, sizeof(event));
1656 info = &event.scan_info;
1657 info->aborted = aborted;
1658
1659 if (tb[NL80211_ATTR_SCAN_SSIDS]) {
1660 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
1661 struct wpa_driver_scan_ssid *s =
1662 &info->ssids[info->num_ssids];
1663 s->ssid = nla_data(nl);
1664 s->ssid_len = nla_len(nl);
1665 info->num_ssids++;
1666 if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1667 break;
1668 }
1669 }
1670 if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1671 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1672 {
1673 freqs[num_freqs] = nla_get_u32(nl);
1674 num_freqs++;
1675 if (num_freqs == MAX_REPORT_FREQS - 1)
1676 break;
1677 }
1678 info->freqs = freqs;
1679 info->num_freqs = num_freqs;
1680 }
1681 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1682}
1683
1684
60a972a6
JM		 1685static int get_link_signal(struct nl_msg *msg, void *arg)
1686{
1687 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1688 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1689 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1690 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1691 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
1692 };
7ee35bf3
PS		 1693 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1694 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1695 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1696 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1697 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1698 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1699 };
1c5c7273 1700 struct wpa_signal_info *sig_change = arg;
60a972a6
JM		 1701
1702 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1703 genlmsg_attrlen(gnlh, 0), NULL);
1704 if (!tb[NL80211_ATTR_STA_INFO] ||
1705 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1706 tb[NL80211_ATTR_STA_INFO], policy))
1707 return NL_SKIP;
1708 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1709 return NL_SKIP;
1710
7ee35bf3
PS		 1711 sig_change->current_signal =
1712 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1713
1714 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1715 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1716 sinfo[NL80211_STA_INFO_TX_BITRATE],
1717 rate_policy)) {
1718 sig_change->current_txrate = 0;
1719 } else {
1720 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1721 sig_change->current_txrate =
1722 nla_get_u16(rinfo[
1723 NL80211_RATE_INFO_BITRATE]) * 100;
1724 }
1725 }
1726 }
1727
60a972a6
JM		 1728 return NL_SKIP;
1729}
1730
1731
1732static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1c5c7273 1733 struct wpa_signal_info *sig)
60a972a6
JM		 1734{
1735 struct nl_msg *msg;
1736
7ee35bf3
PS		 1737 sig->current_signal = -9999;
1738 sig->current_txrate = 0;
60a972a6
JM		 1739
1740 msg = nlmsg_alloc();
1741 if (!msg)
1742 return -ENOMEM;
1743
9fb04070 1744 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
60a972a6
JM		 1745
1746 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
1747 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
1748
1749 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
1750 nla_put_failure:
5883168a 1751 nlmsg_free(msg);
60a972a6
JM		 1752 return -ENOBUFS;
1753}
1754
1755
7ee35bf3
PS		 1756static int get_link_noise(struct nl_msg *msg, void *arg)
1757{
1758 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1759 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1760 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1761 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1762 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1763 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1764 };
1c5c7273 1765 struct wpa_signal_info *sig_change = arg;
7ee35bf3
PS		 1766
1767 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1768 genlmsg_attrlen(gnlh, 0), NULL);
1769
1770 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1771 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1772 return NL_SKIP;
1773 }
1774
1775 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1776 tb[NL80211_ATTR_SURVEY_INFO],
1777 survey_policy)) {
1778 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1779 "attributes!");
1780 return NL_SKIP;
1781 }
1782
1783 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1784 return NL_SKIP;
1785
1786 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1787 sig_change->frequency)
1788 return NL_SKIP;
1789
1790 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1791 return NL_SKIP;
1792
1793 sig_change->current_noise =
1794 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1795
1796 return NL_SKIP;
1797}
1798
1799
1800static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1c5c7273 1801 struct wpa_signal_info *sig_change)
7ee35bf3
PS		 1802{
1803 struct nl_msg *msg;
1804
1805 sig_change->current_noise = 9999;
1806 sig_change->frequency = drv->assoc_freq;
1807
1808 msg = nlmsg_alloc();
1809 if (!msg)
1810 return -ENOMEM;
1811
9fb04070 1812 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
7ee35bf3
PS		 1813
1814 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
1815
1816 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
1817 nla_put_failure:
5883168a 1818 nlmsg_free(msg);
7ee35bf3
PS		 1819 return -ENOBUFS;
1820}
1821
1822
577db0ae
GM		 1823static int get_noise_for_scan_results(struct nl_msg *msg, void *arg)
1824{
1825 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1826 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1827 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1828 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1829 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1830 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1831 };
1832 struct wpa_scan_results *scan_results = arg;
1833 struct wpa_scan_res *scan_res;
1834 size_t i;
1835
1836 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1837 genlmsg_attrlen(gnlh, 0), NULL);
1838
1839 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1840 wpa_printf(MSG_DEBUG, "nl80211: Survey data missing");
1841 return NL_SKIP;
1842 }
1843
1844 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1845 tb[NL80211_ATTR_SURVEY_INFO],
1846 survey_policy)) {
1847 wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested "
1848 "attributes");
1849 return NL_SKIP;
1850 }
1851
1852 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1853 return NL_SKIP;
1854
1855 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1856 return NL_SKIP;
1857
1858 for (i = 0; i < scan_results->num; ++i) {
1859 scan_res = scan_results->res[i];
1860 if (!scan_res)
1861 continue;
1862 if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1863 scan_res->freq)
1864 continue;
1865 if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID))
1866 continue;
1867 scan_res->noise = (s8)
1868 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1869 scan_res->flags &= ~WPA_SCAN_NOISE_INVALID;
1870 }
1871
1872 return NL_SKIP;
1873}
1874
1875
1876static int nl80211_get_noise_for_scan_results(
1877 struct wpa_driver_nl80211_data *drv,
1878 struct wpa_scan_results *scan_res)
1879{
1880 struct nl_msg *msg;
1881
1882 msg = nlmsg_alloc();
1883 if (!msg)
1884 return -ENOMEM;
1885
1886 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
1887
1888 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
1889
1890 return send_and_recv_msgs(drv, msg, get_noise_for_scan_results,
1891 scan_res);
1892 nla_put_failure:
9e088e74 1893 nlmsg_free(msg);
577db0ae
GM		 1894 return -ENOBUFS;
1895}
1896
1897
93910401
JM		 1898static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
1899 struct nlattr *tb[])
1900{
1901 static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
1902 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
1903 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
1904 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
0d7e5a3a 1905 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
93910401
JM		 1906 };
1907 struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
1908 enum nl80211_cqm_rssi_threshold_event event;
b625473c 1909 union wpa_event_data ed;
1c5c7273 1910 struct wpa_signal_info sig;
7ee35bf3 1911 int res;
93910401
JM		 1912
1913 if (tb[NL80211_ATTR_CQM] == NULL ||
1914 nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
1915 cqm_policy)) {
1916 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
1917 return;
1918 }
1919
0d7e5a3a
JB		 1920 os_memset(&ed, 0, sizeof(ed));
1921
1922 if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
1923 if (!tb[NL80211_ATTR_MAC])
1924 return;
1925 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
1926 ETH_ALEN);
1927 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
1928 return;
1929 }
1930
93910401
JM		 1931 if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
1932 return;
1933 event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
b625473c 1934
93910401
JM		 1935 if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
1936 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1937 "event: RSSI high");
b625473c 1938 ed.signal_change.above_threshold = 1;
93910401
JM		 1939 } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
1940 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1941 "event: RSSI low");
b625473c
JM		 1942 ed.signal_change.above_threshold = 0;
1943 } else
1944 return;
1945
60a972a6
JM		 1946 res = nl80211_get_link_signal(drv, &sig);
1947 if (res == 0) {
7ee35bf3
PS		 1948 ed.signal_change.current_signal = sig.current_signal;
1949 ed.signal_change.current_txrate = sig.current_txrate;
1950 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d",
1951 sig.current_signal, sig.current_txrate);
1952 }
1953
1954 res = nl80211_get_link_noise(drv, &sig);
1955 if (res == 0) {
1956 ed.signal_change.current_noise = sig.current_noise;
1957 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
1958 sig.current_noise);
60a972a6
JM		 1959 }
1960
b625473c 1961 wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
93910401
JM		 1962}
1963
1964
18d2ba08
JM		 1965static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
1966 struct nlattr **tb)
1967{
1968 u8 *addr;
1969 union wpa_event_data data;
1970
1971 if (tb[NL80211_ATTR_MAC] == NULL)
1972 return;
1973 addr = nla_data(tb[NL80211_ATTR_MAC]);
1974 wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
5f310a9e 1975
61cbe2ff 1976 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 1977 u8 *ies = NULL;
1978 size_t ies_len = 0;
1979 if (tb[NL80211_ATTR_IE]) {
1980 ies = nla_data(tb[NL80211_ATTR_IE]);
1981 ies_len = nla_len(tb[NL80211_ATTR_IE]);
1982 }
1983 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
1984 drv_event_assoc(drv->ctx, addr, ies, ies_len, 0);
1985 return;
1986 }
1987
18d2ba08
JM		 1988 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1989 return;
1990
1991 os_memset(&data, 0, sizeof(data));
1992 os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
1993 wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data);
1994}
1995
1996
ef985058
JM		 1997static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
1998 struct nlattr **tb)
1999{
2000 u8 *addr;
2001 union wpa_event_data data;
2002
2003 if (tb[NL80211_ATTR_MAC] == NULL)
2004 return;
2005 addr = nla_data(tb[NL80211_ATTR_MAC]);
2006 wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
2007 MAC2STR(addr));
5f310a9e 2008
61cbe2ff 2009 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
5f310a9e
JM		 2010 drv_event_disassoc(drv->ctx, addr);
2011 return;
2012 }
2013
ef985058
JM		 2014 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
2015 return;
2016
2017 os_memset(&data, 0, sizeof(data));
2018 os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
2019 wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
2020}
2021
2022
b14a210c
JB		 2023static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
2024 struct nlattr **tb)
2025{
2026 struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
2027 static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
2028 [NL80211_REKEY_DATA_KEK] = {
2029 .minlen = NL80211_KEK_LEN,
2030 .maxlen = NL80211_KEK_LEN,
2031 },
2032 [NL80211_REKEY_DATA_KCK] = {
2033 .minlen = NL80211_KCK_LEN,
2034 .maxlen = NL80211_KCK_LEN,
2035 },
2036 [NL80211_REKEY_DATA_REPLAY_CTR] = {
2037 .minlen = NL80211_REPLAY_CTR_LEN,
2038 .maxlen = NL80211_REPLAY_CTR_LEN,
2039 },
2040 };
2041 union wpa_event_data data;
2042
2043 if (!tb[NL80211_ATTR_MAC])
2044 return;
2045 if (!tb[NL80211_ATTR_REKEY_DATA])
2046 return;
2047 if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
2048 tb[NL80211_ATTR_REKEY_DATA], rekey_policy))
2049 return;
2050 if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
2051 return;
2052
2053 os_memset(&data, 0, sizeof(data));
2054 data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
2055 wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
2056 MAC2STR(data.driver_gtk_rekey.bssid));
2057 data.driver_gtk_rekey.replay_ctr =
2058 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
2059 wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
2060 data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
2061 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
2062}
2063
2064
c36d5242
JM		 2065static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
2066 struct nlattr **tb)
2067{
2068 struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
2069 static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
2070 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
2071 [NL80211_PMKSA_CANDIDATE_BSSID] = {
2072 .minlen = ETH_ALEN,
2073 .maxlen = ETH_ALEN,
2074 },
2075 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
2076 };
2077 union wpa_event_data data;
2078
7d81932d
JM		 2079 wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
2080
c36d5242
JM		 2081 if (!tb[NL80211_ATTR_PMKSA_CANDIDATE])
2082 return;
2083 if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
2084 tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy))
2085 return;
2086 if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
2087 !cand[NL80211_PMKSA_CANDIDATE_BSSID])
2088 return;
2089
2090 os_memset(&data, 0, sizeof(data));
2091 os_memcpy(data.pmkid_candidate.bssid,
2092 nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
2093 data.pmkid_candidate.index =
2094 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
2095 data.pmkid_candidate.preauth =
2096 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
2097 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
2098}
2099
2100
39718852
JB		 2101static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
2102 struct nlattr **tb)
2103{
2104 union wpa_event_data data;
2105
7d81932d
JM		 2106 wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
2107
39718852
JB		 2108 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
2109 return;
2110
2111 os_memset(&data, 0, sizeof(data));
2112 os_memcpy(data.client_poll.addr,
2113 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2114
2115 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
2116}
2117
2118
6201b052
JM		 2119static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
2120 struct nlattr **tb)
2121{
2122 union wpa_event_data data;
2123
2124 wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
2125
2126 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
2127 return;
2128
2129 os_memset(&data, 0, sizeof(data));
2130 os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2131 switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
2132 case NL80211_TDLS_SETUP:
2133 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
2134 MACSTR, MAC2STR(data.tdls.peer));
2135 data.tdls.oper = TDLS_REQUEST_SETUP;
2136 break;
2137 case NL80211_TDLS_TEARDOWN:
2138 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
2139 MACSTR, MAC2STR(data.tdls.peer));
2140 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
2141 break;
2142 default:
2143 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
2144 "event");
2145 return;
2146 }
2147 if (tb[NL80211_ATTR_REASON_CODE]) {
2148 data.tdls.reason_code =
2149 nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
2150 }
2151
2152 wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
2153}
2154
2155
3140803b
RM		 2156static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
2157 struct nlattr **tb)
2158{
2159 union wpa_event_data data;
2160 u32 reason;
2161
2162 wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
2163
2164 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
2165 return;
2166
2167 os_memset(&data, 0, sizeof(data));
2168 os_memcpy(data.connect_failed_reason.addr,
2169 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
2170
2171 reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
2172 switch (reason) {
2173 case NL80211_CONN_FAIL_MAX_CLIENTS:
2174 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
2175 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
2176 break;
2177 case NL80211_CONN_FAIL_BLOCKED_CLIENT:
2178 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
2179 " tried to connect",
2180 MAC2STR(data.connect_failed_reason.addr));
2181 data.connect_failed_reason.code = BLOCKED_CLIENT;
2182 break;
2183 default:
2184 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
2185 "%u", reason);
2186 return;
2187 }
2188
2189 wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
2190}
2191
2192
3088e4e5
JB		 2193static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
2194 int wds)
02bb32c3
JB		 2195{
2196 struct wpa_driver_nl80211_data *drv = bss->drv;
2197 union wpa_event_data event;
02bb32c3
JB		 2198
2199 if (!tb[NL80211_ATTR_MAC])
2200 return;
2201
02bb32c3 2202 os_memset(&event, 0, sizeof(event));
341eebee 2203 event.rx_from_unknown.bssid = bss->addr;
02bb32c3 2204 event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
3088e4e5 2205 event.rx_from_unknown.wds = wds;
02bb32c3
JB		 2206
2207 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
2208}
2209
2210
a5e1eb20
SE		 2211static void do_process_drv_event(struct i802_bss *bss, int cmd,
2212 struct nlattr **tb)
97865538 2213{
a5e1eb20
SE		 2214 struct wpa_driver_nl80211_data *drv = bss->drv;
2215
b1f625e0 2216 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
d6c9aab8
JB		 2217 (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
2218 cmd == NL80211_CMD_SCAN_ABORTED)) {
a2e40bb6 2219 wpa_driver_nl80211_set_mode(&drv->first_bss,
b1f625e0
EP		 2220 drv->ap_scan_as_station);
2221 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6
JM		 2222 }
2223
d6c9aab8 2224 switch (cmd) {
d942a79e
JM		 2225 case NL80211_CMD_TRIGGER_SCAN:
2226 wpa_printf(MSG_DEBUG, "nl80211: Scan trigger");
2227 break;
d21c63b9
LC		 2228 case NL80211_CMD_START_SCHED_SCAN:
2229 wpa_printf(MSG_DEBUG, "nl80211: Sched scan started");
2230 break;
2231 case NL80211_CMD_SCHED_SCAN_STOPPED:
2232 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stopped");
2233 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2234 break;
97865538
JM		 2235 case NL80211_CMD_NEW_SCAN_RESULTS:
2236 wpa_printf(MSG_DEBUG, "nl80211: New scan results available");
2237 drv->scan_complete_events = 1;
2238 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2239 drv->ctx);
8d923a4a 2240 send_scan_event(drv, 0, tb);
97865538 2241 break;
d21c63b9
LC		 2242 case NL80211_CMD_SCHED_SCAN_RESULTS:
2243 wpa_printf(MSG_DEBUG,
2244 "nl80211: New sched scan results available");
2245 send_scan_event(drv, 0, tb);
2246 break;
97865538
JM		 2247 case NL80211_CMD_SCAN_ABORTED:
2248 wpa_printf(MSG_DEBUG, "nl80211: Scan aborted");
2249 /*
2250 * Need to indicate that scan results are available in order
2251 * not to make wpa_supplicant stop its scanning.
2252 */
2253 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2254 drv->ctx);
8d923a4a 2255 send_scan_event(drv, 1, tb);
97865538 2256 break;
c2a04078
JM		 2257 case NL80211_CMD_AUTHENTICATE:
2258 case NL80211_CMD_ASSOCIATE:
2259 case NL80211_CMD_DEAUTHENTICATE:
2260 case NL80211_CMD_DISASSOCIATE:
bd94971e 2261 case NL80211_CMD_FRAME_TX_STATUS:
7d878ca7
JM		 2262 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2263 case NL80211_CMD_UNPROT_DISASSOCIATE:
d6c9aab8 2264 mlme_event(drv, cmd, tb[NL80211_ATTR_FRAME],
58f6fbe0
JM		 2265 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2266 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 2267 tb[NL80211_ATTR_COOKIE],
2268 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
c2a04078 2269 break;
da72a1c1
ZY		 2270 case NL80211_CMD_CONNECT:
2271 case NL80211_CMD_ROAM:
d6c9aab8 2272 mlme_event_connect(drv, cmd,
da72a1c1
ZY		 2273 tb[NL80211_ATTR_STATUS_CODE],
2274 tb[NL80211_ATTR_MAC],
2275 tb[NL80211_ATTR_REQ_IE],
2276 tb[NL80211_ATTR_RESP_IE]);
2277 break;
1b487b8b
TP		 2278 case NL80211_CMD_CH_SWITCH_NOTIFY:
2279 mlme_event_ch_switch(drv, tb[NL80211_ATTR_WIPHY_FREQ],
2280 tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2281 break;
da72a1c1 2282 case NL80211_CMD_DISCONNECT:
20f5a4c2 2283 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
3d9975d5
JM		 2284 tb[NL80211_ATTR_MAC],
2285 tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
da72a1c1 2286 break;
35583f3f 2287 case NL80211_CMD_MICHAEL_MIC_FAILURE:
a5e1eb20 2288 mlme_event_michael_mic_failure(bss, tb);
35583f3f 2289 break;
5cc4d64b
JM		 2290 case NL80211_CMD_JOIN_IBSS:
2291 mlme_event_join_ibss(drv, tb);
2292 break;
55777702
JM		 2293 case NL80211_CMD_REMAIN_ON_CHANNEL:
2294 mlme_event_remain_on_channel(drv, 0, tb);
2295 break;
2296 case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
2297 mlme_event_remain_on_channel(drv, 1, tb);
2298 break;
93910401
JM		 2299 case NL80211_CMD_NOTIFY_CQM:
2300 nl80211_cqm_event(drv, tb);
2301 break;
33c5deb8
JM		 2302 case NL80211_CMD_REG_CHANGE:
2303 wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
2304 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
2305 NULL);
2306 break;
2307 case NL80211_CMD_REG_BEACON_HINT:
2308 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
2309 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
2310 NULL);
2311 break;
18d2ba08
JM		 2312 case NL80211_CMD_NEW_STATION:
2313 nl80211_new_station_event(drv, tb);
2314 break;
ef985058
JM		 2315 case NL80211_CMD_DEL_STATION:
2316 nl80211_del_station_event(drv, tb);
2317 break;
b14a210c
JB		 2318 case NL80211_CMD_SET_REKEY_OFFLOAD:
2319 nl80211_rekey_offload_event(drv, tb);
2320 break;
c36d5242
JM		 2321 case NL80211_CMD_PMKSA_CANDIDATE:
2322 nl80211_pmksa_candidate_event(drv, tb);
2323 break;
39718852
JB		 2324 case NL80211_CMD_PROBE_CLIENT:
2325 nl80211_client_probe_event(drv, tb);
2326 break;
6201b052
JM		 2327 case NL80211_CMD_TDLS_OPER:
2328 nl80211_tdls_oper_event(drv, tb);
2329 break;
3140803b
RM		 2330 case NL80211_CMD_CONN_FAILED:
2331 nl80211_connect_failed_event(drv, tb);
2332 break;
97865538 2333 default:
c2a04078 2334 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
d6c9aab8 2335 "(cmd=%d)", cmd);
97865538
JM		 2336 break;
2337 }
d6c9aab8
JB		 2338}
2339
2340
2341static int process_drv_event(struct nl_msg *msg, void *arg)
2342{
2343 struct wpa_driver_nl80211_data *drv = arg;
2344 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2345 struct nlattr *tb[NL80211_ATTR_MAX + 1];
a5e1eb20
SE		 2346 struct i802_bss *bss;
2347 int ifidx = -1;
d6c9aab8
JB		 2348
2349 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2350 genlmsg_attrlen(gnlh, 0), NULL);
2351
a5e1eb20
SE		 2352 if (tb[NL80211_ATTR_IFINDEX])
2353 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2354
2355 for (bss = &drv->first_bss; bss; bss = bss->next) {
2356 if (ifidx == -1 || ifidx == bss->ifindex) {
2357 do_process_drv_event(bss, gnlh->cmd, tb);
d6c9aab8
JB		 2358 return NL_SKIP;
2359 }
2360 }
2361
a5e1eb20
SE		 2362 wpa_printf(MSG_DEBUG, "nl80211: Ignored event (cmd=%d) for foreign "
2363 "interface (ifindex %d)", gnlh->cmd, ifidx);
2364
d6c9aab8
JB		 2365 return NL_SKIP;
2366}
2367
2368
2369static int process_global_event(struct nl_msg *msg, void *arg)
2370{
2371 struct nl80211_global *global = arg;
2372 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2373 struct nlattr *tb[NL80211_ATTR_MAX + 1];
24b5bd8b 2374 struct wpa_driver_nl80211_data *drv, *tmp;
d6c9aab8 2375 int ifidx = -1;
a5e1eb20 2376 struct i802_bss *bss;
d6c9aab8
JB		 2377
2378 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2379 genlmsg_attrlen(gnlh, 0), NULL);
2380
2381 if (tb[NL80211_ATTR_IFINDEX])
2382 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2383
24b5bd8b
JB		 2384 dl_list_for_each_safe(drv, tmp, &global->interfaces,
2385 struct wpa_driver_nl80211_data, list) {
a5e1eb20
SE		 2386 for (bss = &drv->first_bss; bss; bss = bss->next) {
2387 if (ifidx == -1 || ifidx == bss->ifindex) {
2388 do_process_drv_event(bss, gnlh->cmd, tb);
2389 return NL_SKIP;
2390 }
2391 }
d6c9aab8 2392 }
97865538
JM		 2393
2394 return NL_SKIP;
2395}
2396
2397
cc7a48d1
JB		 2398static int process_bss_event(struct nl_msg *msg, void *arg)
2399{
a11241fa 2400 struct i802_bss *bss = arg;
cc7a48d1
JB		 2401 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2402 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2403
2404 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2405 genlmsg_attrlen(gnlh, 0), NULL);
2406
2407 switch (gnlh->cmd) {
a11241fa
JB		 2408 case NL80211_CMD_FRAME:
2409 case NL80211_CMD_FRAME_TX_STATUS:
2410 mlme_event(bss->drv, gnlh->cmd, tb[NL80211_ATTR_FRAME],
2411 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2412 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
da873dbb
JB		 2413 tb[NL80211_ATTR_COOKIE],
2414 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
a11241fa 2415 break;
02bb32c3 2416 case NL80211_CMD_UNEXPECTED_FRAME:
3088e4e5
JB		 2417 nl80211_spurious_frame(bss, tb, 0);
2418 break;
2419 case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
2420 nl80211_spurious_frame(bss, tb, 1);
02bb32c3 2421 break;
cc7a48d1
JB		 2422 default:
2423 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
2424 "(cmd=%d)", gnlh->cmd);
2425 break;
2426 }
2427
2428 return NL_SKIP;
2429}
2430
2431
97865538 2432static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
5582a5d1 2433 void *handle)
97865538 2434{
a4ae123c 2435 struct nl_cb *cb = eloop_ctx;
97865538
JM		 2436
2437 wpa_printf(MSG_DEBUG, "nl80211: Event message available");
2438
a4ae123c 2439 nl_recvmsgs(handle, cb);
97865538
JM		 2440}
2441
2442
6d158490
LR		 2443/**
2444 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
2445 * @priv: driver_nl80211 private data
2446 * @alpha2_arg: country to which to switch to
2447 * Returns: 0 on success, -1 on failure
2448 *
2449 * This asks nl80211 to set the regulatory domain for given
2450 * country ISO / IEC alpha2.
2451 */
2452static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
2453{
a2e40bb6
FF		 2454 struct i802_bss *bss = priv;
2455 struct wpa_driver_nl80211_data *drv = bss->drv;
6d158490
LR		 2456 char alpha2[3];
2457 struct nl_msg *msg;
2458
2459 msg = nlmsg_alloc();
2460 if (!msg)
e785c2ba 2461 return -ENOMEM;
6d158490
LR		 2462
2463 alpha2[0] = alpha2_arg[0];
2464 alpha2[1] = alpha2_arg[1];
2465 alpha2[2] = '\0';
2466
9fb04070 2467 nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG);
6d158490
LR		 2468
2469 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2);
2470 if (send_and_recv_msgs(drv, msg, NULL, NULL))
2471 return -EINVAL;
2472 return 0;
2473nla_put_failure:
5883168a 2474 nlmsg_free(msg);
6d158490
LR		 2475 return -EINVAL;
2476}
2477
2478
80bc75f1 2479struct wiphy_info_data {
e8b5e24e
JB		 2480 struct wpa_driver_capa *capa;
2481
2482 unsigned int error:1;
61cbe2ff 2483 unsigned int device_ap_sme:1;
39718852 2484 unsigned int poll_command_supported:1;
32ab4855 2485 unsigned int data_tx_status:1;
536062f2 2486 unsigned int monitor_supported:1;
80bc75f1
JM		 2487};
2488
2489
562c9d97
AN		 2490static unsigned int probe_resp_offload_support(int supp_protocols)
2491{
2492 unsigned int prot = 0;
2493
2494 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
2495 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
2496 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
2497 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
2498 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
2499 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
2500 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
2501 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
2502
2503 return prot;
2504}
2505
2506
80bc75f1
JM		 2507static int wiphy_info_handler(struct nl_msg *msg, void *arg)
2508{
2509 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2510 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2511 struct wiphy_info_data *info = arg;
9f51b113 2512 int p2p_go_supported = 0, p2p_client_supported = 0;
e3e234fa 2513 int p2p_concurrent = 0, p2p_multichan_concurrent = 0;
e8b5e24e
JB		 2514 int auth_supported = 0, connect_supported = 0;
2515 struct wpa_driver_capa *capa = info->capa;
7626850d
JB		 2516 static struct nla_policy
2517 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
2518 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
2519 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
2520 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
2521 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
2522 },
2523 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
2524 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
2525 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
2526 };
80bc75f1
JM		 2527
2528 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2529 genlmsg_attrlen(gnlh, 0), NULL);
2530
2531 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
e8b5e24e 2532 capa->max_scan_ssids =
80bc75f1
JM		 2533 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
2534
d21c63b9 2535 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
e8b5e24e 2536 capa->max_sched_scan_ssids =
d21c63b9
LC		 2537 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
2538
bd525934 2539 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
e8b5e24e 2540 capa->max_match_sets =
bd525934
LC		 2541 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
2542
1581b38b
JM		 2543 if (tb[NL80211_ATTR_SUPPORTED_IFTYPES]) {
2544 struct nlattr *nl_mode;
2545 int i;
2546 nla_for_each_nested(nl_mode,
2547 tb[NL80211_ATTR_SUPPORTED_IFTYPES], i) {
58708b3b 2548 switch (nla_type(nl_mode)) {
9f51b113 2549 case NL80211_IFTYPE_AP:
e8b5e24e 2550 capa->flags |= WPA_DRIVER_FLAGS_AP;
1581b38b 2551 break;
9f51b113
JB		 2552 case NL80211_IFTYPE_P2P_GO:
2553 p2p_go_supported = 1;
2554 break;
2555 case NL80211_IFTYPE_P2P_CLIENT:
2556 p2p_client_supported = 1;
2557 break;
536062f2
JM		 2558 case NL80211_IFTYPE_MONITOR:
2559 info->monitor_supported = 1;
2560 break;
1581b38b
JM		 2561 }
2562 }
2563 }
2564
7626850d
JB		 2565 if (tb[NL80211_ATTR_INTERFACE_COMBINATIONS]) {
2566 struct nlattr *nl_combi;
2567 int rem_combi;
2568
2569 nla_for_each_nested(nl_combi,
2570 tb[NL80211_ATTR_INTERFACE_COMBINATIONS],
2571 rem_combi) {
2572 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
2573 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
2574 struct nlattr *nl_limit, *nl_mode;
2575 int err, rem_limit, rem_mode;
2576 int combination_has_p2p = 0, combination_has_mgd = 0;
2577
2578 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
2579 nl_combi,
2580 iface_combination_policy);
2581 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
2582 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
2583 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
2584 goto broken_combination;
2585
2586 nla_for_each_nested(nl_limit,
2587 tb_comb[NL80211_IFACE_COMB_LIMITS],
2588 rem_limit) {
2589 err = nla_parse_nested(tb_limit,
2590 MAX_NL80211_IFACE_LIMIT,
2591 nl_limit,
2592 iface_limit_policy);
2593 if (err ||
2594 !tb_limit[NL80211_IFACE_LIMIT_TYPES])
2595 goto broken_combination;
2596
2597 nla_for_each_nested(
2598 nl_mode,
2599 tb_limit[NL80211_IFACE_LIMIT_TYPES],
2600 rem_mode) {
2601 int ift = nla_type(nl_mode);
2602 if (ift == NL80211_IFTYPE_P2P_GO ||
2603 ift == NL80211_IFTYPE_P2P_CLIENT)
2604 combination_has_p2p = 1;
2605 if (ift == NL80211_IFTYPE_STATION)
2606 combination_has_mgd = 1;
2607 }
2608 if (combination_has_p2p && combination_has_mgd)
2609 break;
2610 }
2611
2612 if (combination_has_p2p && combination_has_mgd) {
e8b5e24e 2613 p2p_concurrent = 1;
e3e234fa
WJL		 2614 if (nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) > 1)
2615 p2p_multichan_concurrent = 1;
7626850d
JB		 2616 break;
2617 }
2618
2619broken_combination:
2620 ;
2621 }
2622 }
2623
93d11400
ZY		 2624 if (tb[NL80211_ATTR_SUPPORTED_COMMANDS]) {
2625 struct nlattr *nl_cmd;
2626 int i;
2627
2628 nla_for_each_nested(nl_cmd,
2629 tb[NL80211_ATTR_SUPPORTED_COMMANDS], i) {
e8b5e24e
JB		 2630 switch (nla_get_u32(nl_cmd)) {
2631 case NL80211_CMD_AUTHENTICATE:
2632 auth_supported = 1;
2633 break;
2634 case NL80211_CMD_CONNECT:
2635 connect_supported = 1;
2636 break;
2637 case NL80211_CMD_START_SCHED_SCAN:
2638 capa->sched_scan_supported = 1;
2639 break;
39718852
JB		 2640 case NL80211_CMD_PROBE_CLIENT:
2641 info->poll_command_supported = 1;
2642 break;
e8b5e24e 2643 }
93d11400
ZY		 2644 }
2645 }
2646
e8b5e24e
JB		 2647 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
2648 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
2649 "off-channel TX");
2650 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
2651 }
2652
2653 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
2654 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
2655 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
2656 }
5dfca53f 2657
e8b5e24e
JB		 2658 /* default to 5000 since early versions of mac80211 don't set it */
2659 capa->max_remain_on_chan = 5000;
004ba773 2660
70619a5d
EP		 2661 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
2662 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
2663
89e07afb 2664 if (tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION])
e8b5e24e 2665 capa->max_remain_on_chan =
89e07afb
JB		 2666 nla_get_u32(tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
2667
e8b5e24e
JB		 2668 if (auth_supported)
2669 capa->flags |= WPA_DRIVER_FLAGS_SME;
2670 else if (!connect_supported) {
2671 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
2672 "authentication/association or connect commands");
2673 info->error = 1;
2674 }
2675
2676 if (p2p_go_supported && p2p_client_supported)
2677 capa->flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
2678 if (p2p_concurrent) {
2679 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
2680 "interface (driver advertised support)");
2681 capa->flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
2682 capa->flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
e3e234fa
WJL		 2683
2684 if (p2p_multichan_concurrent) {
2685 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
2686 "concurrent (driver advertised support)");
2687 capa->flags |=
2688 WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT;
2689 }
e8b5e24e
JB		 2690 }
2691
03ea1786
AN		 2692 if (tb[NL80211_ATTR_TDLS_SUPPORT]) {
2693 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
2694 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
2695
2696 if (tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]) {
2697 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
2698 capa->flags |=
2699 WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
2700 }
2701 }
2702
61cbe2ff
JB		 2703 if (tb[NL80211_ATTR_DEVICE_AP_SME])
2704 info->device_ap_sme = 1;
2705
32ab4855
JB		 2706 if (tb[NL80211_ATTR_FEATURE_FLAGS]) {
2707 u32 flags = nla_get_u32(tb[NL80211_ATTR_FEATURE_FLAGS]);
2708
2709 if (flags & NL80211_FEATURE_SK_TX_STATUS)
2710 info->data_tx_status = 1;
a0133ee1
VT		 2711
2712 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
2713 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
569fed90
JM		 2714
2715 if (flags & NL80211_FEATURE_SAE)
2716 capa->flags |= WPA_DRIVER_FLAGS_SAE;
368b1957
AK		 2717
2718 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
2719 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
32ab4855
JB		 2720 }
2721
562c9d97
AN		 2722 if (tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]) {
2723 int protocols =
2724 nla_get_u32(tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
2725 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response "
2726 "offload in AP mode");
2727 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
2728 capa->probe_resp_offloads =
2729 probe_resp_offload_support(protocols);
2730 }
2731
80bc75f1
JM		 2732 return NL_SKIP;
2733}
2734
2735
2736static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
2737 struct wiphy_info_data *info)
2738{
2739 struct nl_msg *msg;
2740
2741 os_memset(info, 0, sizeof(*info));
e8b5e24e 2742 info->capa = &drv->capa;
89e07afb 2743
80bc75f1
JM		 2744 msg = nlmsg_alloc();
2745 if (!msg)
2746 return -1;
2747
9fb04070 2748 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
80bc75f1 2749
a2e40bb6 2750 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->first_bss.ifindex);
80bc75f1
JM		 2751
2752 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info) == 0)
2753 return 0;
2754 msg = NULL;
2755nla_put_failure:
2756 nlmsg_free(msg);
2757 return -1;
2758}
2759
2760
93d11400 2761static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
80bc75f1
JM		 2762{
2763 struct wiphy_info_data info;
2764 if (wpa_driver_nl80211_get_info(drv, &info))
93d11400 2765 return -1;
e8b5e24e
JB		 2766
2767 if (info.error)
2768 return -1;
2769
80bc75f1 2770 drv->has_capability = 1;
1b2a72e8
JM		 2771 /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
2772 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2773 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2774 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2775 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
2776 drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
2777 WPA_DRIVER_CAPA_ENC_WEP104 |
2778 WPA_DRIVER_CAPA_ENC_TKIP |
2779 WPA_DRIVER_CAPA_ENC_CCMP;
291b6068
JM		 2780 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
2781 WPA_DRIVER_AUTH_SHARED |
2782 WPA_DRIVER_AUTH_LEAP;
1b2a72e8 2783
871f4dd0 2784 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
0194fedb 2785 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
2fee890a 2786 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
e1bd4e19 2787
e5091674 2788 if (!info.device_ap_sme) {
e1bd4e19 2789 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
0194fedb 2790
e5091674
JM		 2791 /*
2792 * No AP SME is currently assumed to also indicate no AP MLME
2793 * in the driver/firmware.
2794 */
2795 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
2796 }
2797
61cbe2ff 2798 drv->device_ap_sme = info.device_ap_sme;
39718852 2799 drv->poll_command_supported = info.poll_command_supported;
32ab4855 2800 drv->data_tx_status = info.data_tx_status;
61cbe2ff 2801
a11241fa 2802 /*
73a3c6ff
FF		 2803 * If poll command and tx status are supported, mac80211 is new enough
2804 * to have everything we need to not need monitor interfaces.
a11241fa 2805 */
73a3c6ff 2806 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
a11241fa 2807
536062f2
JM		 2808 if (drv->device_ap_sme && drv->use_monitor) {
2809 /*
2810 * Non-mac80211 drivers may not support monitor interface.
2811 * Make sure we do not get stuck with incorrect capability here
2812 * by explicitly testing this.
2813 */
2814 if (!info.monitor_supported) {
2815 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
2816 "with device_ap_sme since no monitor mode "
2817 "support detected");
2818 drv->use_monitor = 0;
2819 }
2820 }
2821
a11241fa
JB		 2822 /*
2823 * If we aren't going to use monitor interfaces, but the
2824 * driver doesn't support data TX status, we won't get TX
2825 * status for EAPOL frames.
2826 */
2827 if (!drv->use_monitor && !info.data_tx_status)
2828 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
2829
93d11400 2830 return 0;
80bc75f1
JM		 2831}
2832
2833
b088cf82
JM		 2834#ifdef ANDROID
2835static int android_genl_ctrl_resolve(struct nl_handle *handle,
2836 const char *name)
2837{
2838 /*
2839 * Android ICS has very minimal genl_ctrl_resolve() implementation, so
2840 * need to work around that.
2841 */
2842 struct nl_cache *cache = NULL;
2843 struct genl_family *nl80211 = NULL;
2844 int id = -1;
2845
2846 if (genl_ctrl_alloc_cache(handle, &cache) < 0) {
2847 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
2848 "netlink cache");
2849 goto fail;
2850 }
2851
2852 nl80211 = genl_ctrl_search_by_name(cache, name);
2853 if (nl80211 == NULL)
2854 goto fail;
2855
2856 id = genl_family_get_id(nl80211);
2857
2858fail:
2859 if (nl80211)
2860 genl_family_put(nl80211);
2861 if (cache)
2862 nl_cache_free(cache);
2863
2864 return id;
2865}
2866#define genl_ctrl_resolve android_genl_ctrl_resolve
2867#endif /* ANDROID */
2868
2869
2a7b66f5
BG		 2870static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
2871{
d6c9aab8
JB		 2872 int ret;
2873
2a7b66f5
BG		 2874 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
2875 if (global->nl_cb == NULL) {
2876 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
2877 "callbacks");
2878 return -1;
2879 }
2880
481234cf
JM		 2881 global->nl = nl_create_handle(global->nl_cb, "nl");
2882 if (global->nl == NULL)
d6c9aab8 2883 goto err;
276e2d67 2884
481234cf 2885 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
335d42b1 2886 if (global->nl80211_id < 0) {
276e2d67
BG		 2887 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
2888 "found");
d6c9aab8 2889 goto err;
276e2d67
BG		 2890 }
2891
481234cf
JM		 2892 global->nl_event = nl_create_handle(global->nl_cb, "event");
2893 if (global->nl_event == NULL)
d6c9aab8 2894 goto err;
9fff9fdc 2895
d6c9aab8 2896 ret = nl_get_multicast_id(global, "nl80211", "scan");
97865538 2897 if (ret >= 0)
481234cf 2898 ret = nl_socket_add_membership(global->nl_event, ret);
97865538
JM		 2899 if (ret < 0) {
2900 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
2901 "membership for scan events: %d (%s)",
2902 ret, strerror(-ret));
d6c9aab8 2903 goto err;
97865538 2904 }
c2a04078 2905
d6c9aab8 2906 ret = nl_get_multicast_id(global, "nl80211", "mlme");
c2a04078 2907 if (ret >= 0)
481234cf 2908 ret = nl_socket_add_membership(global->nl_event, ret);
c2a04078
JM		 2909 if (ret < 0) {
2910 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
2911 "membership for mlme events: %d (%s)",
2912 ret, strerror(-ret));
d6c9aab8 2913 goto err;
c2a04078 2914 }
c2a04078 2915
d6c9aab8 2916 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
33c5deb8 2917 if (ret >= 0)
481234cf 2918 ret = nl_socket_add_membership(global->nl_event, ret);
33c5deb8
JM		 2919 if (ret < 0) {
2920 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
2921 "membership for regulatory events: %d (%s)",
2922 ret, strerror(-ret));
2923 /* Continue without regulatory events */
2924 }
2925
d6c9aab8
JB		 2926 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
2927 no_seq_check, NULL);
2928 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
2929 process_global_event, global);
2930
481234cf 2931 eloop_register_read_sock(nl_socket_get_fd(global->nl_event),
d6c9aab8 2932 wpa_driver_nl80211_event_receive,
481234cf 2933 global->nl_cb, global->nl_event);
d6c9aab8
JB		 2934
2935 return 0;
2936
2937err:
2938 nl_destroy_handles(&global->nl_event);
2939 nl_destroy_handles(&global->nl);
2940 nl_cb_put(global->nl_cb);
671a5039 2941 global->nl_cb = NULL;
d6c9aab8
JB		 2942 return -1;
2943}
2944
2945
2946static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
2947{
1afc986d
JB		 2948 drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
2949 if (!drv->nl_cb) {
2950 wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct");
d6c9aab8 2951 return -1;
1afc986d
JB		 2952 }
2953
2954 nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
2955 no_seq_check, NULL);
f06aedd9
JB		 2956 nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
2957 process_drv_event, drv);
1afc986d 2958
9fff9fdc 2959 return 0;
9fff9fdc
JM		 2960}
2961
2962
8401a6b0
JM		 2963static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
2964{
8401a6b0 2965 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
a63063b4
JM		 2966 /*
2967 * This may be for any interface; use ifdown event to disable
2968 * interface.
2969 */
8401a6b0
JM		 2970}
2971
2972
2973static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
2974{
2975 struct wpa_driver_nl80211_data *drv = ctx;
2976 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
c81eff1a
BG		 2977 if (linux_set_iface_flags(drv->global->ioctl_sock,
2978 drv->first_bss.ifname, 1)) {
8401a6b0
JM		 2979 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
2980 "after rfkill unblock");
2981 return;
2982 }
a63063b4 2983 /* rtnetlink ifup handler will report interface as enabled */
8401a6b0
JM		 2984}
2985
2986
6859f1cb
BG		 2987static void nl80211_get_phy_name(struct wpa_driver_nl80211_data *drv)
2988{
2989 /* Find phy (radio) to which this interface belongs */
2990 char buf[90], *pos;
2991 int f, rv;
2992
2993 drv->phyname[0] = '\0';
2994 snprintf(buf, sizeof(buf) - 1, "/sys/class/net/%s/phy80211/name",
2995 drv->first_bss.ifname);
2996 f = open(buf, O_RDONLY);
2997 if (f < 0) {
2998 wpa_printf(MSG_DEBUG, "Could not open file %s: %s",
2999 buf, strerror(errno));
3000 return;
3001 }
3002
3003 rv = read(f, drv->phyname, sizeof(drv->phyname) - 1);
3004 close(f);
3005 if (rv < 0) {
3006 wpa_printf(MSG_DEBUG, "Could not read file %s: %s",
3007 buf, strerror(errno));
3008 return;
3009 }
3010
3011 drv->phyname[rv] = '\0';
3012 pos = os_strchr(drv->phyname, '\n');
3013 if (pos)
3014 *pos = '\0';
3015 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
3016 drv->first_bss.ifname, drv->phyname);
3017}
3018
3019
32ab4855
JB		 3020static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
3021 void *eloop_ctx,
3022 void *handle)
3023{
3024 struct wpa_driver_nl80211_data *drv = eloop_ctx;
3025 u8 data[2048];
3026 struct msghdr msg;
3027 struct iovec entry;
cad0f50e 3028 u8 control[512];
32ab4855
JB		 3029 struct cmsghdr *cmsg;
3030 int res, found_ee = 0, found_wifi = 0, acked = 0;
3031 union wpa_event_data event;
3032
3033 memset(&msg, 0, sizeof(msg));
3034 msg.msg_iov = &entry;
3035 msg.msg_iovlen = 1;
3036 entry.iov_base = data;
3037 entry.iov_len = sizeof(data);
3038 msg.msg_control = &control;
3039 msg.msg_controllen = sizeof(control);
3040
3041 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
3042 /* if error or not fitting 802.3 header, return */
3043 if (res < 14)
3044 return;
3045
3046 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
3047 {
3048 if (cmsg->cmsg_level == SOL_SOCKET &&
3049 cmsg->cmsg_type == SCM_WIFI_STATUS) {
3050 int *ack;
3051
3052 found_wifi = 1;
3053 ack = (void *)CMSG_DATA(cmsg);
3054 acked = *ack;
3055 }
3056
3057 if (cmsg->cmsg_level == SOL_PACKET &&
3058 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
3059 struct sock_extended_err *err =
3060 (struct sock_extended_err *)CMSG_DATA(cmsg);
3061
3062 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
3063 found_ee = 1;
3064 }
3065 }
3066
3067 if (!found_ee || !found_wifi)
3068 return;
3069
3070 memset(&event, 0, sizeof(event));
3071 event.eapol_tx_status.dst = data;
3072 event.eapol_tx_status.data = data + 14;
3073 event.eapol_tx_status.data_len = res - 14;
3074 event.eapol_tx_status.ack = acked;
3075 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
3076}
3077
3078
cc7a48d1
JB		 3079static int nl80211_init_bss(struct i802_bss *bss)
3080{
3081 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
3082 if (!bss->nl_cb)
3083 return -1;
3084
3085 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
3086 no_seq_check, NULL);
3087 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
3088 process_bss_event, bss);
3089
3090 return 0;
3091}
3092
3093
3094static void nl80211_destroy_bss(struct i802_bss *bss)
3095{
3096 nl_cb_put(bss->nl_cb);
3097 bss->nl_cb = NULL;
3098}
3099
3100
9fff9fdc
JM		 3101/**
3102 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
3103 * @ctx: context to be used when calling wpa_supplicant functions,
3104 * e.g., wpa_supplicant_event()
3105 * @ifname: interface name, e.g., wlan0
f2ed8023 3106 * @global_priv: private driver global data from global_init()
9fff9fdc
JM		 3107 * Returns: Pointer to private data, %NULL on failure
3108 */
f2ed8023
JM		 3109static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
3110 void *global_priv)
9fff9fdc 3111{
9fff9fdc 3112 struct wpa_driver_nl80211_data *drv;
8401a6b0 3113 struct rfkill_config *rcfg;
a2e40bb6 3114 struct i802_bss *bss;
9fff9fdc 3115
a5c696ad
JM		 3116 if (global_priv == NULL)
3117 return NULL;
9fff9fdc
JM		 3118 drv = os_zalloc(sizeof(*drv));
3119 if (drv == NULL)
3120 return NULL;
f2ed8023 3121 drv->global = global_priv;
9fff9fdc 3122 drv->ctx = ctx;
a2e40bb6
FF		 3123 bss = &drv->first_bss;
3124 bss->drv = drv;
a5e1eb20
SE		 3125 bss->ctx = ctx;
3126
a2e40bb6 3127 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
9fff9fdc
JM		 3128 drv->monitor_ifidx = -1;
3129 drv->monitor_sock = -1;
d12dab4c 3130 drv->eapol_tx_sock = -1;
b1f625e0 3131 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
9fff9fdc 3132
ba2d0d7d 3133 if (wpa_driver_nl80211_init_nl(drv)) {
bbaf0837
JM		 3134 os_free(drv);
3135 return NULL;
3136 }
9fff9fdc 3137
cc7a48d1
JB		 3138 if (nl80211_init_bss(bss))
3139 goto failed;
3140
6859f1cb
BG		 3141 nl80211_get_phy_name(drv);
3142
8401a6b0
JM		 3143 rcfg = os_zalloc(sizeof(*rcfg));
3144 if (rcfg == NULL)
3145 goto failed;
3146 rcfg->ctx = drv;
3147 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
3148 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
3149 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
3150 drv->rfkill = rfkill_init(rcfg);
52169389 3151 if (drv->rfkill == NULL) {
8401a6b0 3152 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
52169389
JM		 3153 os_free(rcfg);
3154 }
8401a6b0 3155
08063178 3156 if (wpa_driver_nl80211_finish_drv_init(drv))
bbaf0837 3157 goto failed;
7524cfb1 3158
d12dab4c 3159 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
32ab4855
JB		 3160 if (drv->eapol_tx_sock < 0)
3161 goto failed;
3162
3163 if (drv->data_tx_status) {
3164 int enabled = 1;
3165
3166 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
3167 &enabled, sizeof(enabled)) < 0) {
3168 wpa_printf(MSG_DEBUG,
3169 "nl80211: wifi status sockopt failed\n");
3170 drv->data_tx_status = 0;
a11241fa
JB		 3171 if (!drv->use_monitor)
3172 drv->capa.flags &=
3173 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
32ab4855
JB		 3174 } else {
3175 eloop_register_read_sock(drv->eapol_tx_sock,
3176 wpa_driver_nl80211_handle_eapol_tx_status,
3177 drv, NULL);
3178 }
3179 }
f10bfc9a 3180
dac12351 3181 if (drv->global) {
c4bb8817 3182 dl_list_add(&drv->global->interfaces, &drv->list);
dac12351
BG		 3183 drv->in_interface_list = 1;
3184 }
c4bb8817 3185
a2e40bb6 3186 return bss;
7524cfb1 3187
bbaf0837 3188failed:
dac12351 3189 wpa_driver_nl80211_deinit(bss);
7524cfb1
JM		 3190 return NULL;
3191}
3192
3193
a11241fa 3194static int nl80211_register_frame(struct i802_bss *bss,
5582a5d1 3195 struct nl_handle *nl_handle,
bd94971e 3196 u16 type, const u8 *match, size_t match_len)
58f6fbe0 3197{
a11241fa 3198 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0
JM		 3199 struct nl_msg *msg;
3200 int ret = -1;
3201
3202 msg = nlmsg_alloc();
3203 if (!msg)
3204 return -1;
3205
36488c05
JM		 3206 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x nl_handle=%p",
3207 type, nl_handle);
3208 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
3209 match, match_len);
3210
9fb04070 3211 nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_ACTION);
58f6fbe0 3212
a11241fa 3213 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
bd94971e 3214 NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type);
58f6fbe0
JM		 3215 NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match);
3216
d6c9aab8 3217 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
58f6fbe0
JM		 3218 msg = NULL;
3219 if (ret) {
5582a5d1
JB		 3220 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
3221 "failed (type=%u): ret=%d (%s)",
3222 type, ret, strerror(-ret));
3223 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
58f6fbe0
JM		 3224 match, match_len);
3225 goto nla_put_failure;
3226 }
3227 ret = 0;
3228nla_put_failure:
3229 nlmsg_free(msg);
3230 return ret;
3231}
3232
3233
a11241fa
JB		 3234static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
3235{
3236 struct wpa_driver_nl80211_data *drv = bss->drv;
3237
481234cf 3238 if (bss->nl_mgmt) {
a11241fa 3239 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
36488c05 3240 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
a11241fa
JB		 3241 return -1;
3242 }
3243
481234cf
JM		 3244 bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
3245 if (bss->nl_mgmt == NULL)
a11241fa
JB		 3246 return -1;
3247
481234cf 3248 eloop_register_read_sock(nl_socket_get_fd(bss->nl_mgmt),
a11241fa 3249 wpa_driver_nl80211_event_receive, bss->nl_cb,
481234cf 3250 bss->nl_mgmt);
a11241fa
JB		 3251
3252 return 0;
3253}
3254
3255
3256static int nl80211_register_action_frame(struct i802_bss *bss,
bd94971e
JB		 3257 const u8 *match, size_t match_len)
3258{
3259 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
481234cf 3260 return nl80211_register_frame(bss, bss->nl_mgmt,
5582a5d1 3261 type, match, match_len);
bd94971e
JB		 3262}
3263
3264
a11241fa 3265static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
58f6fbe0 3266{
a11241fa
JB		 3267 struct wpa_driver_nl80211_data *drv = bss->drv;
3268
3269 if (nl80211_alloc_mgmt_handle(bss))
3270 return -1;
36488c05
JM		 3271 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
3272 "handle %p", bss->nl_mgmt);
a11241fa 3273
4fe9fa0d 3274#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
046b26a2 3275 /* GAS Initial Request */
a11241fa 3276 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
046b26a2
JM		 3277 return -1;
3278 /* GAS Initial Response */
a11241fa 3279 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
046b26a2 3280 return -1;
18708aad 3281 /* GAS Comeback Request */
a11241fa 3282 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
18708aad
JM		 3283 return -1;
3284 /* GAS Comeback Response */
a11241fa 3285 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
18708aad 3286 return -1;
4fe9fa0d
JM		 3287#endif /* CONFIG_P2P || CONFIG_INTERWORKING */
3288#ifdef CONFIG_P2P
046b26a2 3289 /* P2P Public Action */
a11241fa 3290 if (nl80211_register_action_frame(bss,
046b26a2
JM		 3291 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
3292 6) < 0)
3293 return -1;
3294 /* P2P Action */
a11241fa 3295 if (nl80211_register_action_frame(bss,
046b26a2
JM		 3296 (u8 *) "\x7f\x50\x6f\x9a\x09",
3297 5) < 0)
3298 return -1;
3299#endif /* CONFIG_P2P */
7d878ca7
JM		 3300#ifdef CONFIG_IEEE80211W
3301 /* SA Query Response */
a11241fa 3302 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
7d878ca7
JM		 3303 return -1;
3304#endif /* CONFIG_IEEE80211W */
35287637
AN		 3305#ifdef CONFIG_TDLS
3306 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
3307 /* TDLS Discovery Response */
aa543c0c 3308 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
35287637
AN		 3309 0)
3310 return -1;
3311 }
3312#endif /* CONFIG_TDLS */
046b26a2 3313
7b90c16a 3314 /* FT Action frames */
a11241fa 3315 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
7b90c16a
JM		 3316 return -1;
3317 else
3318 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
3319 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
3320
71269b37 3321 /* WNM - BSS Transition Management Request */
a11241fa
JB		 3322 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
3323 return -1;
bd896433
JM		 3324 /* WNM-Sleep Mode Response */
3325 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
3326 return -1;
a11241fa
JB		 3327
3328 return 0;
3329}
3330
3331
02bb32c3
JB		 3332static int nl80211_register_spurious_class3(struct i802_bss *bss)
3333{
3334 struct wpa_driver_nl80211_data *drv = bss->drv;
3335 struct nl_msg *msg;
3336 int ret = -1;
3337
3338 msg = nlmsg_alloc();
3339 if (!msg)
3340 return -1;
3341
3342 nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME);
3343
3344 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
3345
481234cf 3346 ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL);
02bb32c3
JB		 3347 msg = NULL;
3348 if (ret) {
3349 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
3350 "failed: ret=%d (%s)",
3351 ret, strerror(-ret));
3352 goto nla_put_failure;
3353 }
3354 ret = 0;
3355nla_put_failure:
3356 nlmsg_free(msg);
3357 return ret;
3358}
3359
3360
a11241fa
JB		 3361static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
3362{
3363 static const int stypes[] = {
3364 WLAN_FC_STYPE_AUTH,
3365 WLAN_FC_STYPE_ASSOC_REQ,
3366 WLAN_FC_STYPE_REASSOC_REQ,
3367 WLAN_FC_STYPE_DISASSOC,
3368 WLAN_FC_STYPE_DEAUTH,
3369 WLAN_FC_STYPE_ACTION,
3370 WLAN_FC_STYPE_PROBE_REQ,
3371/* Beacon doesn't work as mac80211 doesn't currently allow
3372 * it, but it wouldn't really be the right thing anyway as
3373 * it isn't per interface ... maybe just dump the scan
3374 * results periodically for OLBC?
3375 */
3376// WLAN_FC_STYPE_BEACON,
3377 };
3378 unsigned int i;
3379
3380 if (nl80211_alloc_mgmt_handle(bss))
71269b37 3381 return -1;
36488c05
JM		 3382 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
3383 "handle %p", bss->nl_mgmt);
71269b37 3384
a11241fa 3385 for (i = 0; i < sizeof(stypes) / sizeof(stypes[0]); i++) {
481234cf 3386 if (nl80211_register_frame(bss, bss->nl_mgmt,
a11241fa
JB		 3387 (WLAN_FC_TYPE_MGMT << 2) |
3388 (stypes[i] << 4),
3389 NULL, 0) < 0) {
3390 goto out_err;
3391 }
3392 }
3393
02bb32c3
JB		 3394 if (nl80211_register_spurious_class3(bss))
3395 goto out_err;
3396
e32ad281
JB		 3397 if (nl80211_get_wiphy_data_ap(bss) == NULL)
3398 goto out_err;
3399
58f6fbe0 3400 return 0;
a11241fa
JB		 3401
3402out_err:
481234cf 3403 eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
a11241fa
JB		 3404 nl_destroy_handles(&bss->nl_mgmt);
3405 return -1;
3406}
3407
3408
a6cc0602
JM		 3409static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
3410{
3411 if (nl80211_alloc_mgmt_handle(bss))
3412 return -1;
3413 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
3414 "handle %p (device SME)", bss->nl_mgmt);
3415
3416 if (nl80211_register_frame(bss, bss->nl_mgmt,
3417 (WLAN_FC_TYPE_MGMT << 2) |
3418 (WLAN_FC_STYPE_ACTION << 4),
3419 NULL, 0) < 0)
3420 goto out_err;
3421
3422 return 0;
3423
3424out_err:
3425 eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
3426 nl_destroy_handles(&bss->nl_mgmt);
3427 return -1;
3428}
3429
3430
36488c05 3431static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
a11241fa 3432{
481234cf 3433 if (bss->nl_mgmt == NULL)
a11241fa 3434 return;
36488c05
JM		 3435 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
3436 "(%s)", bss->nl_mgmt, reason);
481234cf 3437 eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
a11241fa 3438 nl_destroy_handles(&bss->nl_mgmt);
e32ad281
JB		 3439
3440 nl80211_put_wiphy_data_ap(bss);
58f6fbe0
JM		 3441}
3442
3443
8401a6b0
JM		 3444static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
3445{
3446 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
3447}
3448
3449
362f781e 3450static int
7524cfb1
JM		 3451wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
3452{
a2e40bb6 3453 struct i802_bss *bss = &drv->first_bss;
8401a6b0 3454 int send_rfkill_event = 0;
a2e40bb6
FF		 3455
3456 drv->ifindex = if_nametoindex(bss->ifname);
3457 drv->first_bss.ifindex = drv->ifindex;
a87c9d96 3458
bbaf0837 3459#ifndef HOSTAPD
ff6a158b
JM		 3460 /*
3461 * Make sure the interface starts up in station mode unless this is a
3462 * dynamically added interface (e.g., P2P) that was already configured
3463 * with proper iftype.
3464 */
a5c696ad 3465 if (drv->ifindex != drv->global->if_add_ifindex &&
b1f625e0 3466 wpa_driver_nl80211_set_mode(bss, NL80211_IFTYPE_STATION) < 0) {
6e8183d7 3467 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver to "
a87c9d96 3468 "use managed mode");
6e8183d7 3469 return -1;
a87c9d96
JM		 3470 }
3471
c81eff1a 3472 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) {
8401a6b0
JM		 3473 if (rfkill_is_blocked(drv->rfkill)) {
3474 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
3475 "interface '%s' due to rfkill",
3476 bss->ifname);
a63063b4 3477 drv->if_disabled = 1;
8401a6b0
JM		 3478 send_rfkill_event = 1;
3479 } else {
3480 wpa_printf(MSG_ERROR, "nl80211: Could not set "
3481 "interface '%s' UP", bss->ifname);
3482 return -1;
3483 }
362f781e 3484 }
3f5285e8 3485
36d84860 3486 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
e2d02c29 3487 1, IF_OPER_DORMANT);
bbaf0837 3488#endif /* HOSTAPD */
362f781e 3489
2fee890a
JM		 3490 if (wpa_driver_nl80211_capa(drv))
3491 return -1;
3492
c81eff1a 3493 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
341eebee 3494 bss->addr))
2136f480 3495 return -1;
f2ed8023 3496
8401a6b0
JM		 3497 if (send_rfkill_event) {
3498 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
3499 drv, drv->ctx);
3500 }
3501
362f781e 3502 return 0;
3f5285e8
JM		 3503}
3504
3505
8a27af5c
JM		 3506static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
3507{
3508 struct nl_msg *msg;
3509
3510 msg = nlmsg_alloc();
3511 if (!msg)
3512 return -ENOMEM;
3513
9fb04070 3514 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_BEACON);
8a27af5c
JM		 3515 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
3516
3517 return send_and_recv_msgs(drv, msg, NULL, NULL);
3518 nla_put_failure:
5883168a 3519 nlmsg_free(msg);
8a27af5c
JM		 3520 return -ENOBUFS;
3521}
8a27af5c
JM		 3522
3523
3f5285e8 3524/**
7e5ba1b9 3525 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
9ebce9c5 3526 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3f5285e8
JM		 3527 *
3528 * Shut down driver interface and processing of driver events. Free
3529 * private data buffer if one was allocated in wpa_driver_nl80211_init().
3530 */
9ebce9c5 3531static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3f5285e8 3532{
a2e40bb6 3533 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8 3534
873d0fcf 3535 bss->in_deinit = 1;
32ab4855
JB		 3536 if (drv->data_tx_status)
3537 eloop_unregister_read_sock(drv->eapol_tx_sock);
d12dab4c
JB		 3538 if (drv->eapol_tx_sock >= 0)
3539 close(drv->eapol_tx_sock);
f10bfc9a 3540
481234cf 3541 if (bss->nl_preq)
5582a5d1 3542 wpa_driver_nl80211_probe_req_report(bss, 0);
e17a2477 3543 if (bss->added_if_into_bridge) {
c81eff1a
BG		 3544 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
3545 bss->ifname) < 0)
94627f6c
JM		 3546 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
3547 "interface %s from bridge %s: %s",
e17a2477 3548 bss->ifname, bss->brname, strerror(errno));
94627f6c 3549 }
e17a2477 3550 if (bss->added_bridge) {
c81eff1a 3551 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
94627f6c
JM		 3552 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
3553 "bridge %s: %s",
e17a2477 3554 bss->brname, strerror(errno));
94627f6c
JM		 3555 }
3556
460456f8 3557 nl80211_remove_monitor_interface(drv);
8a27af5c 3558
b1f625e0 3559 if (is_ap_interface(drv->nlmode))
8a27af5c 3560 wpa_driver_nl80211_del_beacon(drv);
0915d02c 3561
bbaf0837
JM		 3562#ifdef HOSTAPD
3563 if (drv->last_freq_ht) {
3564 /* Clear HT flags from the driver */
3565 struct hostapd_freq_params freq;
3566 os_memset(&freq, 0, sizeof(freq));
3567 freq.freq = drv->last_freq;
9ebce9c5 3568 wpa_driver_nl80211_set_freq(bss, &freq);
bbaf0837
JM		 3569 }
3570
bbaf0837
JM		 3571 if (drv->eapol_sock >= 0) {
3572 eloop_unregister_read_sock(drv->eapol_sock);
3573 close(drv->eapol_sock);
3574 }
3575
3576 if (drv->if_indices != drv->default_if_indices)
3577 os_free(drv->if_indices);
1b648c7e 3578#endif /* HOSTAPD */
3f5285e8 3579
b3af99d2 3580 if (drv->disabled_11b_rates)
4e5cb1a3
JM		 3581 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3582
36d84860
BG		 3583 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
3584 IF_OPER_UP);
8401a6b0 3585 rfkill_deinit(drv->rfkill);
3f5285e8 3586
bbaf0837
JM		 3587 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
3588
c81eff1a 3589 (void) linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0);
b1f625e0 3590 wpa_driver_nl80211_set_mode(bss, NL80211_IFTYPE_STATION);
36488c05 3591 nl80211_mgmt_unsubscribe(bss, "deinit");
3f5285e8 3592
1afc986d 3593 nl_cb_put(drv->nl_cb);
3f5285e8 3594
cc7a48d1
JB		 3595 nl80211_destroy_bss(&drv->first_bss);
3596
3812464c
JM		 3597 os_free(drv->filter_ssids);
3598
536fd62d
JM		 3599 os_free(drv->auth_ie);
3600
dac12351 3601 if (drv->in_interface_list)
f2ed8023
JM		 3602 dl_list_del(&drv->list);
3603
3f5285e8
JM		 3604 os_free(drv);
3605}
3606
3607
3608/**
3609 * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion
ad1e68e6 3610 * @eloop_ctx: Driver private data
3f5285e8
JM		 3611 * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init()
3612 *
3613 * This function can be used as registered timeout when starting a scan to
3614 * generate a scan completed event if the driver does not report this.
3615 */
3616static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx)
3617{
ad1e68e6 3618 struct wpa_driver_nl80211_data *drv = eloop_ctx;
b1f625e0 3619 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) {
a2e40bb6 3620 wpa_driver_nl80211_set_mode(&drv->first_bss,
b1f625e0
EP		 3621 drv->ap_scan_as_station);
3622 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
ad1e68e6 3623 }
3f5285e8
JM		 3624 wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
3625 wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
3626}
3627
3628
95ac3bf4
JM		 3629static struct nl_msg *
3630nl80211_scan_common(struct wpa_driver_nl80211_data *drv, u8 cmd,
3631 struct wpa_driver_scan_params *params)
3f5285e8 3632{
95ac3bf4
JM		 3633 struct nl_msg *msg;
3634 int err;
6a1063e0 3635 size_t i;
3f5285e8 3636
0e75527f 3637 msg = nlmsg_alloc();
f0494d0f 3638 if (!msg)
95ac3bf4 3639 return NULL;
3812464c 3640
95ac3bf4 3641 nl80211_cmd(drv, msg, 0, cmd);
0e75527f 3642
95ac3bf4
JM		 3643 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) < 0)
3644 goto fail;
3f5285e8 3645
f0494d0f 3646 if (params->num_ssids) {
95ac3bf4 3647 struct nl_msg *ssids = nlmsg_alloc();
f0494d0f 3648 if (ssids == NULL)
95ac3bf4 3649 goto fail;
f0494d0f
JM		 3650 for (i = 0; i < params->num_ssids; i++) {
3651 wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID",
3652 params->ssids[i].ssid,
3653 params->ssids[i].ssid_len);
95ac3bf4
JM		 3654 if (nla_put(ssids, i + 1, params->ssids[i].ssid_len,
3655 params->ssids[i].ssid) < 0) {
3656 nlmsg_free(ssids);
3657 goto fail;
3658 }
f0494d0f 3659 }
95ac3bf4
JM		 3660 err = nla_put_nested(msg, NL80211_ATTR_SCAN_SSIDS, ssids);
3661 nlmsg_free(ssids);
3662 if (err < 0)
3663 goto fail;
3f5285e8
JM		 3664 }
3665
d173df52 3666 if (params->extra_ies) {
3b1c7bfd
JM		 3667 wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs",
3668 params->extra_ies, params->extra_ies_len);
95ac3bf4
JM		 3669 if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len,
3670 params->extra_ies) < 0)
3671 goto fail;
d173df52
JM		 3672 }
3673
d3a98225 3674 if (params->freqs) {
95ac3bf4 3675 struct nl_msg *freqs = nlmsg_alloc();
f0494d0f 3676 if (freqs == NULL)
95ac3bf4 3677 goto fail;
9fad706c
JM		 3678 for (i = 0; params->freqs[i]; i++) {
3679 wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u "
3680 "MHz", params->freqs[i]);
95ac3bf4
JM		 3681 if (nla_put_u32(freqs, i + 1, params->freqs[i]) < 0) {
3682 nlmsg_free(freqs);
3683 goto fail;
3684 }
9fad706c 3685 }
95ac3bf4
JM		 3686 err = nla_put_nested(msg, NL80211_ATTR_SCAN_FREQUENCIES,
3687 freqs);
3688 nlmsg_free(freqs);
3689 if (err < 0)
3690 goto fail;
d3a98225
JM		 3691 }
3692
95ac3bf4
JM		 3693 os_free(drv->filter_ssids);
3694 drv->filter_ssids = params->filter_ssids;
3695 params->filter_ssids = NULL;
3696 drv->num_filter_ssids = params->num_filter_ssids;
3697
3698 return msg;
3699
3700fail:
3701 nlmsg_free(msg);
3702 return NULL;
3703}
3704
3705
3706/**
3707 * wpa_driver_nl80211_scan - Request the driver to initiate scan
9ebce9c5 3708 * @bss: Pointer to private driver data from wpa_driver_nl80211_init()
95ac3bf4
JM		 3709 * @params: Scan parameters
3710 * Returns: 0 on success, -1 on failure
3711 */
9ebce9c5 3712static int wpa_driver_nl80211_scan(struct i802_bss *bss,
95ac3bf4
JM		 3713 struct wpa_driver_scan_params *params)
3714{
95ac3bf4
JM		 3715 struct wpa_driver_nl80211_data *drv = bss->drv;
3716 int ret = -1, timeout;
3717 struct nl_msg *msg, *rates = NULL;
3718
3719 drv->scan_for_auth = 0;
3720
3721 msg = nl80211_scan_common(drv, NL80211_CMD_TRIGGER_SCAN, params);
3722 if (!msg)
3723 return -1;
3724
47185fc7 3725 if (params->p2p_probe) {
8a6a1e1b
JM		 3726 wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates");
3727
f0494d0f
JM		 3728 rates = nlmsg_alloc();
3729 if (rates == NULL)
3730 goto nla_put_failure;
3731
47185fc7
RM		 3732 /*
3733 * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates
3734 * by masking out everything else apart from the OFDM rates 6,
3735 * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz
3736 * rates are left enabled.
3737 */
3738 NLA_PUT(rates, NL80211_BAND_2GHZ, 8,
3739 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
f0494d0f
JM		 3740 if (nla_put_nested(msg, NL80211_ATTR_SCAN_SUPP_RATES, rates) <
3741 0)
3742 goto nla_put_failure;
970fa12e
RM		 3743
3744 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
47185fc7
RM		 3745 }
3746
0e75527f
JM		 3747 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3748 msg = NULL;
3749 if (ret) {
3750 wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d "
3751 "(%s)", ret, strerror(-ret));
ad1e68e6 3752#ifdef HOSTAPD
b1f625e0 3753 if (is_ap_interface(drv->nlmode)) {
ad1e68e6
JM		 3754 /*
3755 * mac80211 does not allow scan requests in AP mode, so
3756 * try to do this in station mode.
3757 */
b1f625e0
EP		 3758 if (wpa_driver_nl80211_set_mode(
3759 bss, NL80211_IFTYPE_STATION))
ad1e68e6
JM		 3760 goto nla_put_failure;
3761
085b29f1 3762 if (wpa_driver_nl80211_scan(bss, params)) {
b1f625e0 3763 wpa_driver_nl80211_set_mode(bss, drv->nlmode);
ad1e68e6
JM		 3764 goto nla_put_failure;
3765 }
3766
3767 /* Restore AP mode when processing scan results */
b1f625e0 3768 drv->ap_scan_as_station = drv->nlmode;
ad1e68e6
JM		 3769 ret = 0;
3770 } else
3771 goto nla_put_failure;
3772#else /* HOSTAPD */
0e75527f 3773 goto nla_put_failure;
ad1e68e6 3774#endif /* HOSTAPD */
3f5285e8
JM		 3775 }
3776
3777 /* Not all drivers generate "scan completed" wireless event, so try to
3778 * read results after a timeout. */
0e75527f 3779 timeout = 10;
3f5285e8
JM		 3780 if (drv->scan_complete_events) {
3781 /*
d173df52
JM		 3782 * The driver seems to deliver events to notify when scan is
3783 * complete, so use longer timeout to avoid race conditions
3784 * with scanning and following association request.
3f5285e8
JM		 3785 */
3786 timeout = 30;
3787 }
3788 wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d "
3789 "seconds", ret, timeout);
3790 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
0e75527f
JM		 3791 eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout,
3792 drv, drv->ctx);
3f5285e8 3793
0e75527f 3794nla_put_failure:
0e75527f 3795 nlmsg_free(msg);
47185fc7 3796 nlmsg_free(rates);
3f5285e8
JM		 3797 return ret;
3798}
3799
3800
d21c63b9
LC		 3801/**
3802 * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan
3803 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
3804 * @params: Scan parameters
3805 * @interval: Interval between scan cycles in milliseconds
3806 * Returns: 0 on success, -1 on failure or if not supported
3807 */
3808static int wpa_driver_nl80211_sched_scan(void *priv,
3809 struct wpa_driver_scan_params *params,
3810 u32 interval)
3811{
3812 struct i802_bss *bss = priv;
3813 struct wpa_driver_nl80211_data *drv = bss->drv;
6afbc3d6 3814 int ret = -1;
95ac3bf4 3815 struct nl_msg *msg;
6afbc3d6
JM		 3816 struct nl_msg *match_set_ssid = NULL, *match_sets = NULL;
3817 struct nl_msg *match_set_rssi = NULL;
d21c63b9
LC		 3818 size_t i;
3819
216eede8
DS		 3820#ifdef ANDROID
3821 if (!drv->capa.sched_scan_supported)
3822 return android_pno_start(bss, params);
3823#endif /* ANDROID */
3824
95ac3bf4 3825 msg = nl80211_scan_common(drv, NL80211_CMD_START_SCHED_SCAN, params);
6afbc3d6
JM		 3826 if (!msg)
3827 goto nla_put_failure;
d21c63b9 3828
d21c63b9
LC		 3829 NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval);
3830
bf8d6d24
TP		 3831 if ((drv->num_filter_ssids &&
3832 (int) drv->num_filter_ssids <= drv->capa.max_match_sets) ||
3833 params->filter_rssi) {
bd525934 3834 match_sets = nlmsg_alloc();
6afbc3d6
JM		 3835 if (match_sets == NULL)
3836 goto nla_put_failure;
bd525934
LC		 3837
3838 for (i = 0; i < drv->num_filter_ssids; i++) {
3839 wpa_hexdump_ascii(MSG_MSGDUMP,
3840 "nl80211: Sched scan filter SSID",
3841 drv->filter_ssids[i].ssid,
3842 drv->filter_ssids[i].ssid_len);
3843
3844 match_set_ssid = nlmsg_alloc();
6afbc3d6
JM		 3845 if (match_set_ssid == NULL)
3846 goto nla_put_failure;
3847 NLA_PUT(match_set_ssid,
bd525934
LC		 3848 NL80211_ATTR_SCHED_SCAN_MATCH_SSID,
3849 drv->filter_ssids[i].ssid_len,
3850 drv->filter_ssids[i].ssid);
3851
6afbc3d6
JM		 3852 if (nla_put_nested(match_sets, i + 1, match_set_ssid) <
3853 0)
3854 goto nla_put_failure;
bd525934
LC		 3855 }
3856
bf8d6d24
TP		 3857 if (params->filter_rssi) {
3858 match_set_rssi = nlmsg_alloc();
6afbc3d6
JM		 3859 if (match_set_rssi == NULL)
3860 goto nla_put_failure;
bf8d6d24
TP		 3861 NLA_PUT_U32(match_set_rssi,
3862 NL80211_SCHED_SCAN_MATCH_ATTR_RSSI,
3863 params->filter_rssi);
3864 wpa_printf(MSG_MSGDUMP,
3865 "nl80211: Sched scan RSSI filter %d dBm",
3866 params->filter_rssi);
6afbc3d6
JM		 3867 if (nla_put_nested(match_sets, 0, match_set_rssi) < 0)
3868 goto nla_put_failure;
bf8d6d24
TP		 3869 }
3870
6afbc3d6
JM		 3871 if (nla_put_nested(msg, NL80211_ATTR_SCHED_SCAN_MATCH,
3872 match_sets) < 0)
3873 goto nla_put_failure;
bd525934
LC		 3874 }
3875
d21c63b9
LC		 3876 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3877
3878 /* TODO: if we get an error here, we should fall back to normal scan */
3879
3880 msg = NULL;
3881 if (ret) {
3882 wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: "
3883 "ret=%d (%s)", ret, strerror(-ret));
3884 goto nla_put_failure;
3885 }
3886
3887 wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d) - "
3888 "scan interval %d msec", ret, interval);
3889
3890nla_put_failure:
6afbc3d6
JM		 3891 nlmsg_free(match_set_ssid);
3892 nlmsg_free(match_sets);
3893 nlmsg_free(match_set_rssi);
d21c63b9 3894 nlmsg_free(msg);
d21c63b9
LC		 3895 return ret;
3896}
3897
3898
3899/**
3900 * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan
3901 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
3902 * Returns: 0 on success, -1 on failure or if not supported
3903 */
3904static int wpa_driver_nl80211_stop_sched_scan(void *priv)
3905{
3906 struct i802_bss *bss = priv;
3907 struct wpa_driver_nl80211_data *drv = bss->drv;
3908 int ret = 0;
3909 struct nl_msg *msg;
3910
216eede8
DS		 3911#ifdef ANDROID
3912 if (!drv->capa.sched_scan_supported)
3913 return android_pno_stop(bss);
3914#endif /* ANDROID */
3915
d21c63b9
LC		 3916 msg = nlmsg_alloc();
3917 if (!msg)
3918 return -1;
3919
9fb04070 3920 nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_SCHED_SCAN);
d21c63b9
LC		 3921
3922 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
3923
3924 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3925 msg = NULL;
3926 if (ret) {
3927 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop failed: "
3928 "ret=%d (%s)", ret, strerror(-ret));
3929 goto nla_put_failure;
3930 }
3931
3932 wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop sent (ret=%d)", ret);
3933
3934nla_put_failure:
3935 nlmsg_free(msg);
3936 return ret;
3937}
3938
3939
3812464c
JM		 3940static const u8 * nl80211_get_ie(const u8 *ies, size_t ies_len, u8 ie)
3941{
3942 const u8 *end, *pos;
3943
3944 if (ies == NULL)
3945 return NULL;
3946
3947 pos = ies;
3948 end = ies + ies_len;
3949
3950 while (pos + 1 < end) {
3951 if (pos + 2 + pos[1] > end)
3952 break;
3953 if (pos[0] == ie)
3954 return pos;
3955 pos += 2 + pos[1];
3956 }
3957
3958 return NULL;
3959}
3960
3961
3962static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv,
3963 const u8 *ie, size_t ie_len)
3964{
3965 const u8 *ssid;
3966 size_t i;
3967
3968 if (drv->filter_ssids == NULL)
3969 return 0;
3970
3971 ssid = nl80211_get_ie(ie, ie_len, WLAN_EID_SSID);
3972 if (ssid == NULL)
3973 return 1;
3974
3975 for (i = 0; i < drv->num_filter_ssids; i++) {
3976 if (ssid[1] == drv->filter_ssids[i].ssid_len &&
3977 os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) ==
3978 0)
3979 return 0;
3980 }
3981
3982 return 1;
3983}
3984
3985
b3db1e1c 3986static int bss_info_handler(struct nl_msg *msg, void *arg)
3f5285e8 3987{
b3db1e1c
JM		 3988 struct nlattr *tb[NL80211_ATTR_MAX + 1];
3989 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3990 struct nlattr *bss[NL80211_BSS_MAX + 1];
3991 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
3992 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
3993 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
3994 [NL80211_BSS_TSF] = { .type = NLA_U64 },
3995 [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 },
3996 [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 },
3997 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
3998 [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 },
3999 [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 },
e6b8efeb 4000 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
b3ad11bb 4001 [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 },
8c090654 4002 [NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC },
b3db1e1c 4003 };
3812464c
JM		 4004 struct nl80211_bss_info_arg *_arg = arg;
4005 struct wpa_scan_results *res = _arg->res;
3f5285e8
JM		 4006 struct wpa_scan_res **tmp;
4007 struct wpa_scan_res *r;
8c090654
JM		 4008 const u8 *ie, *beacon_ie;
4009 size_t ie_len, beacon_ie_len;
4010 u8 *pos;
46957a9b 4011 size_t i;
3f5285e8 4012
b3db1e1c
JM		 4013 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
4014 genlmsg_attrlen(gnlh, 0), NULL);
4015 if (!tb[NL80211_ATTR_BSS])
4016 return NL_SKIP;
4017 if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
4018 bss_policy))
4019 return NL_SKIP;
f5a8d422
JM		 4020 if (bss[NL80211_BSS_STATUS]) {
4021 enum nl80211_bss_status status;
4022 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
4023 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
4024 bss[NL80211_BSS_FREQUENCY]) {
4025 _arg->assoc_freq =
4026 nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
4027 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
4028 _arg->assoc_freq);
4029 }
20f5a4c2
JM		 4030 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
4031 bss[NL80211_BSS_BSSID]) {
4032 os_memcpy(_arg->assoc_bssid,
4033 nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN);
4034 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
4035 MACSTR, MAC2STR(_arg->assoc_bssid));
4036 }
f5a8d422
JM		 4037 }
4038 if (!res)
4039 return NL_SKIP;
b3db1e1c
JM		 4040 if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
4041 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
4042 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
4043 } else {
4044 ie = NULL;
4045 ie_len = 0;
4046 }
8c090654
JM		 4047 if (bss[NL80211_BSS_BEACON_IES]) {
4048 beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]);
4049 beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]);
4050 } else {
4051 beacon_ie = NULL;
4052 beacon_ie_len = 0;
4053 }
3f5285e8 4054
3812464c
JM		 4055 if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie,
4056 ie ? ie_len : beacon_ie_len))
4057 return NL_SKIP;
4058
8c090654 4059 r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len);
3f5285e8 4060 if (r == NULL)
b3db1e1c
JM		 4061 return NL_SKIP;
4062 if (bss[NL80211_BSS_BSSID])
4063 os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]),
4064 ETH_ALEN);
4065 if (bss[NL80211_BSS_FREQUENCY])
4066 r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
4067 if (bss[NL80211_BSS_BEACON_INTERVAL])
4068 r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]);
4069 if (bss[NL80211_BSS_CAPABILITY])
4070 r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]);
7c2849d2
JM		 4071 r->flags |= WPA_SCAN_NOISE_INVALID;
4072 if (bss[NL80211_BSS_SIGNAL_MBM]) {
b3db1e1c 4073 r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]);
7c2849d2
JM		 4074 r->level /= 100; /* mBm to dBm */
4075 r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID;
4076 } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) {
4077 r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
98ac6763 4078 r->flags |= WPA_SCAN_QUAL_INVALID;
7c2849d2
JM		 4079 } else
4080 r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID;
b3db1e1c
JM		 4081 if (bss[NL80211_BSS_TSF])
4082 r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]);
b3ad11bb
JM		 4083 if (bss[NL80211_BSS_SEEN_MS_AGO])
4084 r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]);
b3db1e1c 4085 r->ie_len = ie_len;
8c090654
JM		 4086 pos = (u8 *) (r + 1);
4087 if (ie) {
4088 os_memcpy(pos, ie, ie_len);
4089 pos += ie_len;
4090 }
4091 r->beacon_ie_len = beacon_ie_len;
4092 if (beacon_ie)
4093 os_memcpy(pos, beacon_ie, beacon_ie_len);
3f5285e8 4094
e6b8efeb
JM		 4095 if (bss[NL80211_BSS_STATUS]) {
4096 enum nl80211_bss_status status;
4097 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
4098 switch (status) {
4099 case NL80211_BSS_STATUS_AUTHENTICATED:
4100 r->flags |= WPA_SCAN_AUTHENTICATED;
4101 break;
4102 case NL80211_BSS_STATUS_ASSOCIATED:
4103 r->flags |= WPA_SCAN_ASSOCIATED;
4104 break;
4105 default:
4106 break;
4107 }
4108 }
4109
46957a9b
JM		 4110 /*
4111 * cfg80211 maintains separate BSS table entries for APs if the same
4112 * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does
4113 * not use frequency as a separate key in the BSS table, so filter out
4114 * duplicated entries. Prefer associated BSS entry in such a case in
4115 * order to get the correct frequency into the BSS table.
4116 */
4117 for (i = 0; i < res->num; i++) {
4118 const u8 *s1, *s2;
4119 if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0)
4120 continue;
4121
4122 s1 = nl80211_get_ie((u8 *) (res->res[i] + 1),
4123 res->res[i]->ie_len, WLAN_EID_SSID);
4124 s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID);
4125 if (s1 == NULL || s2 == NULL || s1[1] != s2[1] ||
4126 os_memcmp(s1, s2, 2 + s1[1]) != 0)
4127 continue;
4128
4129 /* Same BSSID,SSID was already included in scan results */
4130 wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result "
4131 "for " MACSTR, MAC2STR(r->bssid));
4132
4133 if ((r->flags & WPA_SCAN_ASSOCIATED) &&
4134 !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) {
4135 os_free(res->res[i]);
4136 res->res[i] = r;
4137 } else
4138 os_free(r);
4139 return NL_SKIP;
4140 }
4141
067ffa26
JM		 4142 tmp = os_realloc_array(res->res, res->num + 1,
4143 sizeof(struct wpa_scan_res *));
3f5285e8
JM		 4144 if (tmp == NULL) {
4145 os_free(r);
b3db1e1c 4146 return NL_SKIP;
3f5285e8
JM		 4147 }
4148 tmp[res->num++] = r;
4149 res->res = tmp;
b3db1e1c
JM		 4150
4151 return NL_SKIP;
3f5285e8 4152}
b3db1e1c 4153
3f5285e8 4154
d72aad94
JM		 4155static void clear_state_mismatch(struct wpa_driver_nl80211_data *drv,
4156 const u8 *addr)
4157{
4158 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
4159 wpa_printf(MSG_DEBUG, "nl80211: Clear possible state "
582507be 4160 "mismatch (" MACSTR ")", MAC2STR(addr));
d72aad94
JM		 4161 wpa_driver_nl80211_mlme(drv, addr,
4162 NL80211_CMD_DEAUTHENTICATE,
77339912 4163 WLAN_REASON_PREV_AUTH_NOT_VALID, 1);
d72aad94
JM		 4164 }
4165}
4166
4167
e6b8efeb
JM		 4168static void wpa_driver_nl80211_check_bss_status(
4169 struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res)
4170{
4171 size_t i;
4172
4173 for (i = 0; i < res->num; i++) {
4174 struct wpa_scan_res *r = res->res[i];
4175 if (r->flags & WPA_SCAN_AUTHENTICATED) {
4176 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
4177 "indicates BSS status with " MACSTR
4178 " as authenticated",
4179 MAC2STR(r->bssid));
b1f625e0 4180 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4181 os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 &&
4182 os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) !=
4183 0) {
4184 wpa_printf(MSG_DEBUG, "nl80211: Unknown BSSID"
4185 " in local state (auth=" MACSTR
4186 " assoc=" MACSTR ")",
4187 MAC2STR(drv->auth_bssid),
4188 MAC2STR(drv->bssid));
582507be 4189 clear_state_mismatch(drv, r->bssid);
e6b8efeb
JM		 4190 }
4191 }
4192
4193 if (r->flags & WPA_SCAN_ASSOCIATED) {
4194 wpa_printf(MSG_DEBUG, "nl80211: Scan results "
4195 "indicate BSS status with " MACSTR
4196 " as associated",
4197 MAC2STR(r->bssid));
b1f625e0 4198 if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4199 !drv->associated) {
4200 wpa_printf(MSG_DEBUG, "nl80211: Local state "
4201 "(not associated) does not match "
4202 "with BSS state");
d72aad94 4203 clear_state_mismatch(drv, r->bssid);
b1f625e0 4204 } else if (is_sta_interface(drv->nlmode) &&
e6b8efeb
JM		 4205 os_memcmp(drv->bssid, r->bssid, ETH_ALEN) !=
4206 0) {
4207 wpa_printf(MSG_DEBUG, "nl80211: Local state "
4208 "(associated with " MACSTR ") does "
4209 "not match with BSS state",
d72aad94
JM		 4210 MAC2STR(drv->bssid));
4211 clear_state_mismatch(drv, r->bssid);
4212 clear_state_mismatch(drv, drv->bssid);
e6b8efeb
JM		 4213 }
4214 }
4215 }
4216}
4217
4218
7e5ba1b9 4219static struct wpa_scan_results *
8856462d 4220nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv)
3f5285e8 4221{
b3db1e1c 4222 struct nl_msg *msg;
3f5285e8 4223 struct wpa_scan_results *res;
b3db1e1c 4224 int ret;
3812464c 4225 struct nl80211_bss_info_arg arg;
3f5285e8
JM		 4226
4227 res = os_zalloc(sizeof(*res));
b3db1e1c 4228 if (res == NULL)
8e2c104f 4229 return NULL;
b3db1e1c
JM		 4230 msg = nlmsg_alloc();
4231 if (!msg)
4232 goto nla_put_failure;
3f5285e8 4233
9fb04070 4234 nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
b3db1e1c 4235 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
3f5285e8 4236
3812464c
JM		 4237 arg.drv = drv;
4238 arg.res = res;
4239 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
b3db1e1c
JM		 4240 msg = NULL;
4241 if (ret == 0) {
577db0ae
GM		 4242 wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu "
4243 "BSSes)", (unsigned long) res->num);
4244 nl80211_get_noise_for_scan_results(drv, res);
b3db1e1c 4245 return res;
3f5285e8 4246 }
b3db1e1c
JM		 4247 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
4248 "(%s)", ret, strerror(-ret));
4249nla_put_failure:
4250 nlmsg_free(msg);
4251 wpa_scan_results_free(res);
4252 return NULL;
3f5285e8
JM		 4253}
4254
4255
8856462d
JM		 4256/**
4257 * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results
4258 * @priv: Pointer to private wext data from wpa_driver_nl80211_init()
4259 * Returns: Scan results on success, -1 on failure
4260 */
4261static struct wpa_scan_results *
4262wpa_driver_nl80211_get_scan_results(void *priv)
4263{
a2e40bb6
FF		 4264 struct i802_bss *bss = priv;
4265 struct wpa_driver_nl80211_data *drv = bss->drv;
8856462d
JM		 4266 struct wpa_scan_results *res;
4267
4268 res = nl80211_get_scan_results(drv);
4269 if (res)
4270 wpa_driver_nl80211_check_bss_status(drv, res);
4271 return res;
4272}
4273
4274
4275static void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv)
4276{
4277 struct wpa_scan_results *res;
4278 size_t i;
4279
4280 res = nl80211_get_scan_results(drv);
4281 if (res == NULL) {
4282 wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results");
4283 return;
4284 }
4285
4286 wpa_printf(MSG_DEBUG, "nl80211: Scan result dump");
4287 for (i = 0; i < res->num; i++) {
4288 struct wpa_scan_res *r = res->res[i];
4289 wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s%s",
4290 (int) i, (int) res->num, MAC2STR(r->bssid),
4291 r->flags & WPA_SCAN_AUTHENTICATED ? " [auth]" : "",
4292 r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : "");
4293 }
4294
4295 wpa_scan_results_free(res);
4296}
4297
4298
9ebce9c5 4299static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
71934751
JM		 4300 enum wpa_alg alg, const u8 *addr,
4301 int key_idx, int set_tx,
642187d6
JM		 4302 const u8 *seq, size_t seq_len,
4303 const u8 *key, size_t key_len)
3f5285e8 4304{
a2e40bb6 4305 struct wpa_driver_nl80211_data *drv = bss->drv;
642187d6 4306 int ifindex = if_nametoindex(ifname);
3f5285e8 4307 struct nl_msg *msg;
1ad1cdc2 4308 int ret;
3f5285e8 4309
1ad1cdc2
JM		 4310 wpa_printf(MSG_DEBUG, "%s: ifindex=%d alg=%d addr=%p key_idx=%d "
4311 "set_tx=%d seq_len=%lu key_len=%lu",
4312 __func__, ifindex, alg, addr, key_idx, set_tx,
3f5285e8 4313 (unsigned long) seq_len, (unsigned long) key_len);
8c66e185
JM		 4314#ifdef CONFIG_TDLS
4315 if (key_idx == -1)
4316 key_idx = 0;
4317#endif /* CONFIG_TDLS */
3f5285e8
JM		 4318
4319 msg = nlmsg_alloc();
1ad1cdc2
JM		 4320 if (!msg)
4321 return -ENOMEM;
3f5285e8
JM		 4322
4323 if (alg == WPA_ALG_NONE) {
9fb04070 4324 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_KEY);
3f5285e8 4325 } else {
9fb04070 4326 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_KEY);
3f5285e8 4327 NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
d723bab4
JM		 4328 switch (alg) {
4329 case WPA_ALG_WEP:
4330 if (key_len == 5)
4331 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4332 WLAN_CIPHER_SUITE_WEP40);
4333 else
4334 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4335 WLAN_CIPHER_SUITE_WEP104);
4336 break;
4337 case WPA_ALG_TKIP:
4338 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4339 WLAN_CIPHER_SUITE_TKIP);
4340 break;
4341 case WPA_ALG_CCMP:
4342 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4343 WLAN_CIPHER_SUITE_CCMP);
4344 break;
eb7719ff
JM		 4345 case WPA_ALG_GCMP:
4346 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4347 WLAN_CIPHER_SUITE_GCMP);
4348 break;
d723bab4
JM		 4349 case WPA_ALG_IGTK:
4350 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4351 WLAN_CIPHER_SUITE_AES_CMAC);
4352 break;
369c8d7b
JM		 4353 case WPA_ALG_SMS4:
4354 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4355 WLAN_CIPHER_SUITE_SMS4);
4356 break;
4357 case WPA_ALG_KRK:
4358 NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
4359 WLAN_CIPHER_SUITE_KRK);
4360 break;
d723bab4
JM		 4361 default:
4362 wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
4363 "algorithm %d", __func__, alg);
3f5285e8
JM		 4364 nlmsg_free(msg);
4365 return -1;
4366 }
4367 }
4368
849ef835 4369 if (seq && seq_len)
1ad1cdc2
JM		 4370 NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq);
4371
0382097e 4372 if (addr && !is_broadcast_ether_addr(addr)) {
3f5285e8
JM		 4373 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
4374 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
89c38e32
JM		 4375
4376 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
4377 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
4378 NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE,
4379 NL80211_KEYTYPE_GROUP);
4380 }
60ea8187
JM		 4381 } else if (addr && is_broadcast_ether_addr(addr)) {
4382 struct nl_msg *types;
4383 int err;
4384 wpa_printf(MSG_DEBUG, " broadcast key");
4385 types = nlmsg_alloc();
4386 if (!types)
4387 goto nla_put_failure;
4388 NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
4389 err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES,
4390 types);
4391 nlmsg_free(types);
4392 if (err)
4393 goto nla_put_failure;
3f5285e8
JM		 4394 }
4395 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
1ad1cdc2 4396 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
3f5285e8 4397
1ad1cdc2 4398 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
15664ad0 4399 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
1ad1cdc2
JM		 4400 ret = 0;
4401 if (ret)
4402 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
4403 ret, strerror(-ret));
3f5285e8 4404
1ad1cdc2
JM		 4405 /*
4406 * If we failed or don't need to set the default TX key (below),
4407 * we're done here.
4408 */
4409 if (ret || !set_tx || alg == WPA_ALG_NONE)
4410 return ret;
b1f625e0 4411 if (is_ap_interface(drv->nlmode) && addr &&
0382097e 4412 !is_broadcast_ether_addr(addr))
de12717a 4413 return ret;
3f5285e8 4414
1ad1cdc2
JM		 4415 msg = nlmsg_alloc();
4416 if (!msg)
4417 return -ENOMEM;
3f5285e8 4418
9fb04070 4419 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_KEY);
1ad1cdc2
JM		 4420 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
4421 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
4422 if (alg == WPA_ALG_IGTK)
4423 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT);
4424 else
4425 NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
60ea8187
JM		 4426 if (addr && is_broadcast_ether_addr(addr)) {
4427 struct nl_msg *types;
4428 int err;
4429 types = nlmsg_alloc();
4430 if (!types)
4431 goto nla_put_failure;
4432 NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
4433 err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES,
4434 types);
4435 nlmsg_free(types);
4436 if (err)
4437 goto nla_put_failure;
4438 } else if (addr) {
4439 struct nl_msg *types;
4440 int err;
4441 types = nlmsg_alloc();
4442 if (!types)
4443 goto nla_put_failure;
4444 NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_UNICAST);
4445 err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES,
4446 types);
4447 nlmsg_free(types);
4448 if (err)
4449 goto nla_put_failure;
4450 }
3f5285e8 4451
1ad1cdc2
JM		 4452 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4453 if (ret == -ENOENT)
4454 ret = 0;
4455 if (ret)
4456 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
4457 "err=%d %s)", ret, strerror(-ret));
4458 return ret;
3f5285e8
JM		 4459
4460nla_put_failure:
5883168a 4461 nlmsg_free(msg);
6241fcb1 4462 return -ENOBUFS;
3f5285e8
JM		 4463}
4464
4465
71934751 4466static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
0194fedb
JB		 4467 int key_idx, int defkey,
4468 const u8 *seq, size_t seq_len,
4469 const u8 *key, size_t key_len)
4470{
4471 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
4472 if (!key_attr)
4473 return -1;
4474
4475 if (defkey && alg == WPA_ALG_IGTK)
4476 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT_MGMT);
4477 else if (defkey)
4478 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
4479
4480 NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx);
4481
d723bab4
JM		 4482 switch (alg) {
4483 case WPA_ALG_WEP:
4484 if (key_len == 5)
2aa5f847
JM		 4485 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
4486 WLAN_CIPHER_SUITE_WEP40);
d723bab4 4487 else
2aa5f847
JM		 4488 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
4489 WLAN_CIPHER_SUITE_WEP104);
d723bab4
JM		 4490 break;
4491 case WPA_ALG_TKIP:
2aa5f847 4492 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_TKIP);
d723bab4
JM		 4493 break;
4494 case WPA_ALG_CCMP:
2aa5f847 4495 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_CCMP);
d723bab4 4496 break;
eb7719ff
JM		 4497 case WPA_ALG_GCMP:
4498 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_GCMP);
4499 break;
d723bab4 4500 case WPA_ALG_IGTK:
2aa5f847
JM		 4501 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
4502 WLAN_CIPHER_SUITE_AES_CMAC);
d723bab4
JM		 4503 break;
4504 default:
4505 wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
4506 "algorithm %d", __func__, alg);
0194fedb 4507 return -1;
d723bab4 4508 }
0194fedb
JB		 4509
4510 if (seq && seq_len)
4511 NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq);
4512
4513 NLA_PUT(msg, NL80211_KEY_DATA, key_len, key);
4514
4515 nla_nest_end(msg, key_attr);
4516
4517 return 0;
4518 nla_put_failure:
4519 return -1;
4520}
4521
c811d5bc 4522
cfaab580
ZY		 4523static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
4524 struct nl_msg *msg)
4525{
4526 int i, privacy = 0;
4527 struct nlattr *nl_keys, *nl_key;
4528
4529 for (i = 0; i < 4; i++) {
4530 if (!params->wep_key[i])
4531 continue;
4532 privacy = 1;
4533 break;
4534 }
ce04af5a
JM		 4535 if (params->wps == WPS_MODE_PRIVACY)
4536 privacy = 1;
4537 if (params->pairwise_suite &&
4538 params->pairwise_suite != WPA_CIPHER_NONE)
4539 privacy = 1;
4540
cfaab580
ZY		 4541 if (!privacy)
4542 return 0;
4543
4544 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
4545
4546 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
4547 if (!nl_keys)
4548 goto nla_put_failure;
4549
4550 for (i = 0; i < 4; i++) {
4551 if (!params->wep_key[i])
4552 continue;
4553
4554 nl_key = nla_nest_start(msg, i);
4555 if (!nl_key)
4556 goto nla_put_failure;
4557
4558 NLA_PUT(msg, NL80211_KEY_DATA, params->wep_key_len[i],
4559 params->wep_key[i]);
4560 if (params->wep_key_len[i] == 5)
4561 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
4562 WLAN_CIPHER_SUITE_WEP40);
4563 else
4564 NLA_PUT_U32(msg, NL80211_KEY_CIPHER,
4565 WLAN_CIPHER_SUITE_WEP104);
4566
4567 NLA_PUT_U8(msg, NL80211_KEY_IDX, i);
4568
4569 if (i == params->wep_tx_keyidx)
4570 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
4571
4572 nla_nest_end(msg, nl_key);
4573 }
4574 nla_nest_end(msg, nl_keys);
4575
4576 return 0;
4577
4578nla_put_failure:
4579 return -ENOBUFS;
4580}
4581
4582
c2a04078 4583static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
77339912
JM		 4584 const u8 *addr, int cmd, u16 reason_code,
4585 int local_state_change)
c2a04078
JM		 4586{
4587 int ret = -1;
4588 struct nl_msg *msg;
4589
4590 msg = nlmsg_alloc();
4591 if (!msg)
4592 return -1;
4593
9fb04070 4594 nl80211_cmd(drv, msg, 0, cmd);
c2a04078
JM		 4595
4596 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4597 NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code);
817762d9
MI		 4598 if (addr)
4599 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
77339912
JM		 4600 if (local_state_change)
4601 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
c2a04078
JM		 4602
4603 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4604 msg = NULL;
4605 if (ret) {
3b7ea880
BG		 4606 wpa_dbg(drv->ctx, MSG_DEBUG,
4607 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
4608 reason_code, ret, strerror(-ret));
c2a04078
JM		 4609 goto nla_put_failure;
4610 }
4611 ret = 0;
4612
4613nla_put_failure:
4614 nlmsg_free(msg);
4615 return ret;
4616}
3f5285e8
JM		 4617
4618
cfaab580 4619static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
817762d9 4620 int reason_code)
cfaab580 4621{
817762d9 4622 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
cfaab580 4623 drv->associated = 0;
a8c5b43a 4624 drv->ignore_next_local_disconnect = 0;
817762d9
MI		 4625 /* Disconnect command doesn't need BSSID - it uses cached value */
4626 return wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
77339912 4627 reason_code, 0);
cfaab580
ZY		 4628}
4629
4630
9ebce9c5
JM		 4631static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
4632 const u8 *addr, int reason_code)
3f5285e8 4633{
a2e40bb6 4634 struct wpa_driver_nl80211_data *drv = bss->drv;
cfaab580 4635 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
817762d9 4636 return wpa_driver_nl80211_disconnect(drv, reason_code);
2e75a2b3
JM		 4637 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
4638 __func__, MAC2STR(addr), reason_code);
13405f35 4639 drv->associated = 0;
21bdbe38
JM		 4640 if (drv->nlmode == NL80211_IFTYPE_ADHOC)
4641 return nl80211_leave_ibss(drv);
c2a04078 4642 return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
77339912 4643 reason_code, 0);
3f5285e8
JM		 4644}
4645
4646
536fd62d
JM		 4647static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
4648 struct wpa_driver_auth_params *params)
4649{
4650 int i;
4651
4652 drv->auth_freq = params->freq;
4653 drv->auth_alg = params->auth_alg;
4654 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
4655 drv->auth_local_state_change = params->local_state_change;
4656 drv->auth_p2p = params->p2p;
4657
4658 if (params->bssid)
4659 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
4660 else
4661 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
4662
4663 if (params->ssid) {
4664 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
4665 drv->auth_ssid_len = params->ssid_len;
4666 } else
4667 drv->auth_ssid_len = 0;
4668
4669
4670 os_free(drv->auth_ie);
4671 drv->auth_ie = NULL;
4672 drv->auth_ie_len = 0;
4673 if (params->ie) {
4674 drv->auth_ie = os_malloc(params->ie_len);
4675 if (drv->auth_ie) {
4676 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
4677 drv->auth_ie_len = params->ie_len;
4678 }
4679 }
4680
4681 for (i = 0; i < 4; i++) {
4682 if (params->wep_key[i] && params->wep_key_len[i] &&
4683 params->wep_key_len[i] <= 16) {
4684 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
4685 params->wep_key_len[i]);
4686 drv->auth_wep_key_len[i] = params->wep_key_len[i];
4687 } else
4688 drv->auth_wep_key_len[i] = 0;
4689 }
4690}
4691
4692
c2a04078 4693static int wpa_driver_nl80211_authenticate(
9ebce9c5 4694 struct i802_bss *bss, struct wpa_driver_auth_params *params)
c2a04078 4695{
a2e40bb6 4696 struct wpa_driver_nl80211_data *drv = bss->drv;
a0b2f99b 4697 int ret = -1, i;
c2a04078
JM		 4698 struct nl_msg *msg;
4699 enum nl80211_auth_type type;
2f4f73b1 4700 enum nl80211_iftype nlmode;
6d6f4bb8 4701 int count = 0;
536fd62d
JM		 4702 int is_retry;
4703
4704 is_retry = drv->retry_auth;
4705 drv->retry_auth = 0;
c2a04078
JM		 4706
4707 drv->associated = 0;
e6b8efeb 4708 os_memset(drv->auth_bssid, 0, ETH_ALEN);
af473088 4709 /* FIX: IBSS mode */
2f4f73b1
EP		 4710 nlmode = params->p2p ?
4711 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
4712 if (drv->nlmode != nlmode &&
9ebce9c5 4713 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
4a867032
JM		 4714 return -1;
4715
6d6f4bb8 4716retry:
c2a04078
JM		 4717 msg = nlmsg_alloc();
4718 if (!msg)
4719 return -1;
4720
4721 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
4722 drv->ifindex);
a0b2f99b 4723
9fb04070 4724 nl80211_cmd(drv, msg, 0, NL80211_CMD_AUTHENTICATE);
0194fedb 4725
a0b2f99b
JM		 4726 for (i = 0; i < 4; i++) {
4727 if (!params->wep_key[i])
4728 continue;
9ebce9c5 4729 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2ea2fcc7 4730 NULL, i,
a0b2f99b
JM		 4731 i == params->wep_tx_keyidx, NULL, 0,
4732 params->wep_key[i],
4733 params->wep_key_len[i]);
0194fedb
JB		 4734 if (params->wep_tx_keyidx != i)
4735 continue;
4736 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
4737 params->wep_key[i], params->wep_key_len[i])) {
4738 nlmsg_free(msg);
4739 return -1;
4740 }
a0b2f99b
JM		 4741 }
4742
c2a04078
JM		 4743 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
4744 if (params->bssid) {
4745 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4746 MAC2STR(params->bssid));
4747 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
4748 }
4749 if (params->freq) {
4750 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
4751 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
4752 }
4753 if (params->ssid) {
4754 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4755 params->ssid, params->ssid_len);
4756 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
4757 params->ssid);
4758 }
4759 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
4760 if (params->ie)
4761 NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie);
569fed90
JM		 4762 if (params->sae_data) {
4763 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
4764 params->sae_data_len);
4765 NLA_PUT(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
4766 params->sae_data);
4767 }
abd9fafa 4768 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
c2a04078 4769 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 4770 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
c2a04078 4771 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 4772 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
c2a04078 4773 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 4774 else if (params->auth_alg & WPA_AUTH_ALG_FT)
c2a04078 4775 type = NL80211_AUTHTYPE_FT;
569fed90
JM		 4776 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
4777 type = NL80211_AUTHTYPE_SAE;
c2a04078
JM		 4778 else
4779 goto nla_put_failure;
4780 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
4781 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
77339912
JM		 4782 if (params->local_state_change) {
4783 wpa_printf(MSG_DEBUG, " * Local state change only");
4784 NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE);
4785 }
c2a04078
JM		 4786
4787 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4788 msg = NULL;
4789 if (ret) {
3b7ea880
BG		 4790 wpa_dbg(drv->ctx, MSG_DEBUG,
4791 "nl80211: MLME command failed (auth): ret=%d (%s)",
4792 ret, strerror(-ret));
6d6f4bb8 4793 count++;
77339912
JM		 4794 if (ret == -EALREADY && count == 1 && params->bssid &&
4795 !params->local_state_change) {
6d6f4bb8
JM		 4796 /*
4797 * mac80211 does not currently accept new
4798 * authentication if we are already authenticated. As a
4799 * workaround, force deauthentication and try again.
4800 */
4801 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
4802 "after forced deauthentication");
4803 wpa_driver_nl80211_deauthenticate(
5205c4f9 4804 bss, params->bssid,
6d6f4bb8
JM		 4805 WLAN_REASON_PREV_AUTH_NOT_VALID);
4806 nlmsg_free(msg);
4807 goto retry;
4808 }
536fd62d
JM		 4809
4810 if (ret == -ENOENT && params->freq && !is_retry) {
4811 /*
4812 * cfg80211 has likely expired the BSS entry even
4813 * though it was previously available in our internal
4814 * BSS table. To recover quickly, start a single
4815 * channel scan on the specified channel.
4816 */
4817 struct wpa_driver_scan_params scan;
4818 int freqs[2];
4819
4820 os_memset(&scan, 0, sizeof(scan));
4821 scan.num_ssids = 1;
4822 if (params->ssid) {
4823 scan.ssids[0].ssid = params->ssid;
4824 scan.ssids[0].ssid_len = params->ssid_len;
4825 }
4826 freqs[0] = params->freq;
4827 freqs[1] = 0;
4828 scan.freqs = freqs;
4829 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
4830 "channel scan to refresh cfg80211 BSS "
4831 "entry");
4832 ret = wpa_driver_nl80211_scan(bss, &scan);
4833 if (ret == 0) {
4834 nl80211_copy_auth_params(drv, params);
4835 drv->scan_for_auth = 1;
4836 }
8c3ba078
JM		 4837 } else if (is_retry) {
4838 /*
4839 * Need to indicate this with an event since the return
4840 * value from the retry is not delivered to core code.
4841 */
4842 union wpa_event_data event;
4843 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
4844 "failed");
4845 os_memset(&event, 0, sizeof(event));
4846 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
4847 ETH_ALEN);
4848 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
4849 &event);
536fd62d
JM		 4850 }
4851
c2a04078
JM		 4852 goto nla_put_failure;
4853 }
4854 ret = 0;
4855 wpa_printf(MSG_DEBUG, "nl80211: Authentication request send "
4856 "successfully");
4857
4858nla_put_failure:
4859 nlmsg_free(msg);
4860 return ret;
4861}
4862
4863
536fd62d
JM		 4864static int wpa_driver_nl80211_authenticate_retry(
4865 struct wpa_driver_nl80211_data *drv)
4866{
4867 struct wpa_driver_auth_params params;
4868 struct i802_bss *bss = &drv->first_bss;
4869 int i;
4870
4871 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
4872
4873 os_memset(&params, 0, sizeof(params));
4874 params.freq = drv->auth_freq;
4875 params.auth_alg = drv->auth_alg;
4876 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
4877 params.local_state_change = drv->auth_local_state_change;
4878 params.p2p = drv->auth_p2p;
4879
4880 if (!is_zero_ether_addr(drv->auth_bssid_))
4881 params.bssid = drv->auth_bssid_;
4882
4883 if (drv->auth_ssid_len) {
4884 params.ssid = drv->auth_ssid;
4885 params.ssid_len = drv->auth_ssid_len;
4886 }
4887
4888 params.ie = drv->auth_ie;
4889 params.ie_len = drv->auth_ie_len;
4890
4891 for (i = 0; i < 4; i++) {
4892 if (drv->auth_wep_key_len[i]) {
4893 params.wep_key[i] = drv->auth_wep_key[i];
4894 params.wep_key_len[i] = drv->auth_wep_key_len[i];
4895 }
4896 }
4897
4898 drv->retry_auth = 1;
4899 return wpa_driver_nl80211_authenticate(bss, &params);
4900}
4901
4902
282d5590
JM		 4903struct phy_info_arg {
4904 u16 *num_modes;
4905 struct hostapd_hw_modes *modes;
4906};
4907
4908static int phy_info_handler(struct nl_msg *msg, void *arg)
4909{
4910 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
4911 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
4912 struct phy_info_arg *phy_info = arg;
4913
4914 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
4915
4916 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
4917 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
4918 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
4919 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
4920 [NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
4921 [NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
4922 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
4923 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
4924 };
4925
4926 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
4927 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
4928 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
4929 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = { .type = NLA_FLAG },
4930 };
4931
4932 struct nlattr *nl_band;
4933 struct nlattr *nl_freq;
4934 struct nlattr *nl_rate;
4935 int rem_band, rem_freq, rem_rate;
4936 struct hostapd_hw_modes *mode;
4937 int idx, mode_is_set;
4938
4939 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
4940 genlmsg_attrlen(gnlh, 0), NULL);
4941
4942 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
4943 return NL_SKIP;
4944
4945 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) {
067ffa26
JM		 4946 mode = os_realloc_array(phy_info->modes,
4947 *phy_info->num_modes + 1,
4948 sizeof(*mode));
282d5590
JM		 4949 if (!mode)
4950 return NL_SKIP;
4951 phy_info->modes = mode;
4952
4953 mode_is_set = 0;
4954
4955 mode = &phy_info->modes[*(phy_info->num_modes)];
4956 memset(mode, 0, sizeof(*mode));
e3b473eb 4957 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN;
282d5590
JM		 4958 *(phy_info->num_modes) += 1;
4959
4960 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
4961 nla_len(nl_band), NULL);
4962
4963 if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) {
4964 mode->ht_capab = nla_get_u16(
4965 tb_band[NL80211_BAND_ATTR_HT_CAPA]);
4966 }
4967
be8eb8ab
JM		 4968 if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) {
4969 mode->a_mpdu_params |= nla_get_u8(
4970 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) &
4971 0x03;
4972 }
4973
4974 if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) {
4975 mode->a_mpdu_params |= nla_get_u8(
4976 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) <<
4977 2;
4978 }
4979
08eb154d
JM		 4980 if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] &&
4981 nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET])) {
4982 u8 *mcs;
4983 mcs = nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
4984 os_memcpy(mode->mcs_set, mcs, 16);
4985 }
4986
990933fb
MP		 4987 if (tb_band[NL80211_BAND_ATTR_VHT_CAPA]) {
4988 mode->vht_capab = nla_get_u32(
4989 tb_band[NL80211_BAND_ATTR_VHT_CAPA]);
4990 }
4991
4992 if (tb_band[NL80211_BAND_ATTR_VHT_MCS_SET] &&
4993 nla_len(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET])) {
4994 u8 *mcs;
4995 mcs = nla_data(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
4996 os_memcpy(mode->vht_mcs_set, mcs, 8);
4997 }
4998
282d5590
JM		 4999 nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
5000 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
5001 nla_len(nl_freq), freq_policy);
5002 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
5003 continue;
5004 mode->num_channels++;
5005 }
5006
f9884c09
JM		 5007 mode->channels = os_calloc(mode->num_channels,
5008 sizeof(struct hostapd_channel_data));
282d5590
JM		 5009 if (!mode->channels)
5010 return NL_SKIP;
5011
5012 idx = 0;
5013
5014 nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
5015 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
5016 nla_len(nl_freq), freq_policy);
5017 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
5018 continue;
5019
5020 mode->channels[idx].freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
5021 mode->channels[idx].flag = 0;
5022
5023 if (!mode_is_set) {
5024 /* crude heuristic */
5025 if (mode->channels[idx].freq < 4000)
5026 mode->mode = HOSTAPD_MODE_IEEE80211B;
7829894c
VK		 5027 else if (mode->channels[idx].freq > 50000)
5028 mode->mode = HOSTAPD_MODE_IEEE80211AD;
282d5590
JM		 5029 else
5030 mode->mode = HOSTAPD_MODE_IEEE80211A;
5031 mode_is_set = 1;
5032 }
5033
7829894c
VK		 5034 switch (mode->mode) {
5035 case HOSTAPD_MODE_IEEE80211AD:
5036 mode->channels[idx].chan =
5037 (mode->channels[idx].freq - 56160) /
5038 2160;
5039 break;
5040 case HOSTAPD_MODE_IEEE80211A:
5041 mode->channels[idx].chan =
5042 mode->channels[idx].freq / 5 - 1000;
5043 break;
5044 case HOSTAPD_MODE_IEEE80211B:
5045 case HOSTAPD_MODE_IEEE80211G:
5a0ffb5f 5046 if (mode->channels[idx].freq == 2484)
282d5590
JM		 5047 mode->channels[idx].chan = 14;
5048 else
7829894c
VK		 5049 mode->channels[idx].chan =
5050 (mode->channels[idx].freq -
5051 2407) / 5;
5052 break;
5053 default:
5054 break;
5055 }
282d5590
JM		 5056
5057 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
5058 mode->channels[idx].flag |=
5059 HOSTAPD_CHAN_DISABLED;
5060 if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
5061 mode->channels[idx].flag |=
5062 HOSTAPD_CHAN_PASSIVE_SCAN;
5063 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
5064 mode->channels[idx].flag |=
5065 HOSTAPD_CHAN_NO_IBSS;
5066 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
5067 mode->channels[idx].flag |=
5068 HOSTAPD_CHAN_RADAR;
5069
5070 if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
5071 !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
5072 mode->channels[idx].max_tx_power =
5073 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) / 100;
5074
5075 idx++;
5076 }
5077
5078 nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
5079 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
5080 nla_len(nl_rate), rate_policy);
5081 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
5082 continue;
5083 mode->num_rates++;
5084 }
5085
f9884c09 5086 mode->rates = os_calloc(mode->num_rates, sizeof(int));
282d5590
JM		 5087 if (!mode->rates)
5088 return NL_SKIP;
5089
5090 idx = 0;
5091
5092 nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
5093 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
5094 nla_len(nl_rate), rate_policy);
5095 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
5096 continue;
fb7842aa 5097 mode->rates[idx] = nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE]);
282d5590
JM		 5098
5099 /* crude heuristic */
5100 if (mode->mode == HOSTAPD_MODE_IEEE80211B &&
fb7842aa 5101 mode->rates[idx] > 200)
282d5590
JM		 5102 mode->mode = HOSTAPD_MODE_IEEE80211G;
5103
282d5590
JM		 5104 idx++;
5105 }
5106 }
5107
5108 return NL_SKIP;
5109}
5110
5111static struct hostapd_hw_modes *
5112wpa_driver_nl80211_add_11b(struct hostapd_hw_modes *modes, u16 *num_modes)
5113{
5114 u16 m;
5115 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
5116 int i, mode11g_idx = -1;
5117
5118 /* If only 802.11g mode is included, use it to construct matching
5119 * 802.11b mode data. */
5120
5121 for (m = 0; m < *num_modes; m++) {
5122 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
5123 return modes; /* 802.11b already included */
5124 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
5125 mode11g_idx = m;
5126 }
5127
5128 if (mode11g_idx < 0)
5129 return modes; /* 2.4 GHz band not supported at all */
5130
067ffa26 5131 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
282d5590
JM		 5132 if (nmodes == NULL)
5133 return modes; /* Could not add 802.11b mode */
5134
5135 mode = &nmodes[*num_modes];
5136 os_memset(mode, 0, sizeof(*mode));
5137 (*num_modes)++;
5138 modes = nmodes;
5139
5140 mode->mode = HOSTAPD_MODE_IEEE80211B;
5141
5142 mode11g = &modes[mode11g_idx];
5143 mode->num_channels = mode11g->num_channels;
5144 mode->channels = os_malloc(mode11g->num_channels *
5145 sizeof(struct hostapd_channel_data));
5146 if (mode->channels == NULL) {
5147 (*num_modes)--;
5148 return modes; /* Could not add 802.11b mode */
5149 }
5150 os_memcpy(mode->channels, mode11g->channels,
5151 mode11g->num_channels * sizeof(struct hostapd_channel_data));
5152
5153 mode->num_rates = 0;
fb7842aa 5154 mode->rates = os_malloc(4 * sizeof(int));
282d5590
JM		 5155 if (mode->rates == NULL) {
5156 os_free(mode->channels);
5157 (*num_modes)--;
5158 return modes; /* Could not add 802.11b mode */
5159 }
5160
5161 for (i = 0; i < mode11g->num_rates; i++) {
fb7842aa
JM		 5162 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
5163 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
282d5590
JM		 5164 continue;
5165 mode->rates[mode->num_rates] = mode11g->rates[i];
5166 mode->num_rates++;
5167 if (mode->num_rates == 4)
5168 break;
5169 }
5170
5171 if (mode->num_rates == 0) {
5172 os_free(mode->channels);
5173 os_free(mode->rates);
5174 (*num_modes)--;
5175 return modes; /* No 802.11b rates */
5176 }
5177
5178 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
5179 "information");
5180
5181 return modes;
5182}
5183
5184
d8e66e80
JM		 5185static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
5186 int end)
5187{
5188 int c;
5189
5190 for (c = 0; c < mode->num_channels; c++) {
5191 struct hostapd_channel_data *chan = &mode->channels[c];
5192 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
5193 chan->flag |= HOSTAPD_CHAN_HT40;
5194 }
5195}
5196
5197
5198static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
5199 int end)
5200{
5201 int c;
5202
5203 for (c = 0; c < mode->num_channels; c++) {
5204 struct hostapd_channel_data *chan = &mode->channels[c];
5205 if (!(chan->flag & HOSTAPD_CHAN_HT40))
5206 continue;
5207 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
5208 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
5209 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
5210 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
5211 }
5212}
5213
5214
5215static void nl80211_reg_rule_ht40(struct nlattr *tb[],
5216 struct phy_info_arg *results)
5217{
5218 u32 start, end, max_bw;
5219 u16 m;
5220
5221 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
5222 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
5223 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
5224 return;
5225
5226 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
5227 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
5228 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
5229
5230 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz",
5231 start, end, max_bw);
5232 if (max_bw < 40)
5233 return;
5234
5235 for (m = 0; m < *results->num_modes; m++) {
5236 if (!(results->modes[m].ht_capab &
5237 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
5238 continue;
5239 nl80211_set_ht40_mode(&results->modes[m], start, end);
5240 }
5241}
5242
5243
5244static void nl80211_reg_rule_sec(struct nlattr *tb[],
5245 struct phy_info_arg *results)
5246{
5247 u32 start, end, max_bw;
5248 u16 m;
5249
5250 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
5251 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
5252 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
5253 return;
5254
5255 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
5256 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
5257 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
5258
5259 if (max_bw < 20)
5260 return;
5261
5262 for (m = 0; m < *results->num_modes; m++) {
5263 if (!(results->modes[m].ht_capab &
5264 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
5265 continue;
5266 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
5267 }
5268}
5269
5270
5271static int nl80211_get_reg(struct nl_msg *msg, void *arg)
5272{
5273 struct phy_info_arg *results = arg;
5274 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
5275 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5276 struct nlattr *nl_rule;
5277 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
5278 int rem_rule;
5279 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
5280 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
5281 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
5282 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
5283 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
5284 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
5285 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
5286 };
5287
5288 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5289 genlmsg_attrlen(gnlh, 0), NULL);
5290 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
5291 !tb_msg[NL80211_ATTR_REG_RULES]) {
5292 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
5293 "available");
5294 return NL_SKIP;
5295 }
5296
5297 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
5298 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
5299
5300 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
5301 {
5302 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
5303 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
5304 nl80211_reg_rule_ht40(tb_rule, results);
5305 }
5306
5307 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
5308 {
5309 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
5310 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
5311 nl80211_reg_rule_sec(tb_rule, results);
5312 }
5313
5314 return NL_SKIP;
5315}
5316
5317
5318static int nl80211_set_ht40_flags(struct wpa_driver_nl80211_data *drv,
5319 struct phy_info_arg *results)
5320{
5321 struct nl_msg *msg;
5322
5323 msg = nlmsg_alloc();
5324 if (!msg)
5325 return -ENOMEM;
5326
9fb04070 5327 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
d8e66e80
JM		 5328 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
5329}
5330
5331
282d5590
JM		 5332static struct hostapd_hw_modes *
5333wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
5334{
a2e40bb6
FF		 5335 struct i802_bss *bss = priv;
5336 struct wpa_driver_nl80211_data *drv = bss->drv;
282d5590
JM		 5337 struct nl_msg *msg;
5338 struct phy_info_arg result = {
5339 .num_modes = num_modes,
5340 .modes = NULL,
5341 };
5342
5343 *num_modes = 0;
5344 *flags = 0;
5345
5346 msg = nlmsg_alloc();
5347 if (!msg)
5348 return NULL;
5349
9fb04070 5350 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
282d5590
JM		 5351
5352 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5353
d8e66e80
JM		 5354 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
5355 nl80211_set_ht40_flags(drv, &result);
282d5590 5356 return wpa_driver_nl80211_add_11b(result.modes, num_modes);
d8e66e80 5357 }
5883168a 5358 msg = NULL;
282d5590 5359 nla_put_failure:
5883168a 5360 nlmsg_free(msg);
282d5590
JM		 5361 return NULL;
5362}
5363
5364
a11241fa
JB		 5365static int wpa_driver_nl80211_send_mntr(struct wpa_driver_nl80211_data *drv,
5366 const void *data, size_t len,
5367 int encrypt, int noack)
2c2010ac
JM		 5368{
5369 __u8 rtap_hdr[] = {
5370 0x00, 0x00, /* radiotap version */
5371 0x0e, 0x00, /* radiotap length */
5372 0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */
5373 IEEE80211_RADIOTAP_F_FRAG, /* F_FRAG (fragment if required) */
5374 0x00, /* padding */
5375 0x00, 0x00, /* RX and TX flags to indicate that */
5376 0x00, 0x00, /* this is the injected frame directly */
5377 };
5378 struct iovec iov[2] = {
5379 {
5380 .iov_base = &rtap_hdr,
5381 .iov_len = sizeof(rtap_hdr),
5382 },
5383 {
5384 .iov_base = (void *) data,
5385 .iov_len = len,
5386 }
5387 };
5388 struct msghdr msg = {
5389 .msg_name = NULL,
5390 .msg_namelen = 0,
5391 .msg_iov = iov,
5392 .msg_iovlen = 2,
5393 .msg_control = NULL,
5394 .msg_controllen = 0,
5395 .msg_flags = 0,
5396 };
ebbec8b2 5397 int res;
fab25336 5398 u16 txflags = 0;
2c2010ac
JM		 5399
5400 if (encrypt)
5401 rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP;
5402
866af8b6
JM		 5403 if (drv->monitor_sock < 0) {
5404 wpa_printf(MSG_DEBUG, "nl80211: No monitor socket available "
5405 "for %s", __func__);
5406 return -1;
5407 }
5408
fab25336
HS		 5409 if (noack)
5410 txflags |= IEEE80211_RADIOTAP_F_TX_NOACK;
9d7a63dc 5411 WPA_PUT_LE16(&rtap_hdr[12], txflags);
fab25336 5412
ebbec8b2
JM		 5413 res = sendmsg(drv->monitor_sock, &msg, 0);
5414 if (res < 0) {
5415 wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno));
5416 return -1;
5417 }
5418 return 0;
2c2010ac
JM		 5419}
5420
5421
a11241fa
JB		 5422static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
5423 const void *data, size_t len,
55231068
JM		 5424 int encrypt, int noack,
5425 unsigned int freq, int no_cck,
5426 int offchanok, unsigned int wait_time)
a11241fa
JB		 5427{
5428 struct wpa_driver_nl80211_data *drv = bss->drv;
5429 u64 cookie;
5430
55231068
JM		 5431 if (freq == 0)
5432 freq = bss->freq;
5433
a11241fa
JB		 5434 if (drv->use_monitor)
5435 return wpa_driver_nl80211_send_mntr(drv, data, len,
5436 encrypt, noack);
5437
55231068
JM		 5438 return nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
5439 &cookie, no_cck, noack, offchanok);
a11241fa
JB		 5440}
5441
5442
9ebce9c5
JM		 5443static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
5444 size_t data_len, int noack,
5445 unsigned int freq, int no_cck,
5446 int offchanok,
5447 unsigned int wait_time)
2c2010ac 5448{
a2e40bb6 5449 struct wpa_driver_nl80211_data *drv = bss->drv;
2c2010ac 5450 struct ieee80211_mgmt *mgmt;
7a47d567 5451 int encrypt = 1;
2c2010ac
JM		 5452 u16 fc;
5453
5454 mgmt = (struct ieee80211_mgmt *) data;
5455 fc = le_to_host16(mgmt->frame_control);
5456
b1f625e0 5457 if (is_sta_interface(drv->nlmode) &&
5582a5d1
JB		 5458 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
5459 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
5460 /*
5461 * The use of last_mgmt_freq is a bit of a hack,
5462 * but it works due to the single-threaded nature
5463 * of wpa_supplicant.
5464 */
55231068
JM		 5465 if (freq == 0)
5466 freq = drv->last_mgmt_freq;
5467 return nl80211_send_frame_cmd(bss, freq, 0,
88df0ef7
JB		 5468 data, data_len, NULL, 1, noack,
5469 1);
5582a5d1
JB		 5470 }
5471
61cbe2ff 5472 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
55231068
JM		 5473 if (freq == 0)
5474 freq = bss->freq;
b5671498
JM		 5475 return nl80211_send_frame_cmd(bss, freq,
5476 (int) freq == bss->freq ? 0 :
5477 wait_time,
d8d6b32e
DG		 5478 data, data_len,
5479 &drv->send_action_cookie,
55231068 5480 no_cck, noack, offchanok);
86957e62
JM		 5481 }
5482
2c2010ac
JM		 5483 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
5484 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
5485 /*
5486 * Only one of the authentication frame types is encrypted.
5487 * In order for static WEP encryption to work properly (i.e.,
5488 * to not encrypt the frame), we need to tell mac80211 about
5489 * the frames that must not be encrypted.
5490 */
5491 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
5492 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
7a47d567
JB		 5493 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
5494 encrypt = 0;
2c2010ac
JM		 5495 }
5496
a11241fa 5497 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
55231068
JM		 5498 noack, freq, no_cck, offchanok,
5499 wait_time);
5500}
5501
5502
31357268 5503static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
e5693c47
JM		 5504 int slot, int ht_opmode, int ap_isolate,
5505 int *basic_rates)
31357268
JM		 5506{
5507 struct wpa_driver_nl80211_data *drv = bss->drv;
5508 struct nl_msg *msg;
5509
5510 msg = nlmsg_alloc();
5511 if (!msg)
5512 return -ENOMEM;
5513
9fb04070 5514 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS);
31357268
JM		 5515
5516 if (cts >= 0)
5517 NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts);
5518 if (preamble >= 0)
5519 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
5520 if (slot >= 0)
5521 NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
5522 if (ht_opmode >= 0)
5523 NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode);
d03e8d11
JM		 5524 if (ap_isolate >= 0)
5525 NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate);
e5693c47
JM		 5526
5527 if (basic_rates) {
5528 u8 rates[NL80211_MAX_SUPP_RATES];
5529 u8 rates_len = 0;
5530 int i;
5531
5532 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
5533 i++)
5534 rates[rates_len++] = basic_rates[i] / 5;
5535
5536 NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
5537 }
5538
31357268
JM		 5539 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
5540
5541 return send_and_recv_msgs(drv, msg, NULL, NULL);
5542 nla_put_failure:
5883168a 5543 nlmsg_free(msg);
31357268
JM		 5544 return -ENOBUFS;
5545}
5546
5547
19c3b566
JM		 5548static int wpa_driver_nl80211_set_ap(void *priv,
5549 struct wpa_driver_ap_params *params)
d2440ba0 5550{
a2e40bb6
FF		 5551 struct i802_bss *bss = priv;
5552 struct wpa_driver_nl80211_data *drv = bss->drv;
d2440ba0
JM		 5553 struct nl_msg *msg;
5554 u8 cmd = NL80211_CMD_NEW_BEACON;
5555 int ret;
b4fd6fab 5556 int beacon_set;
8b897f5a 5557 int ifindex = if_nametoindex(bss->ifname);
b11d1d64
JM		 5558 int num_suites;
5559 u32 suites[10];
5560 u32 ver;
b4fd6fab 5561
b4fd6fab 5562 beacon_set = bss->beacon_set;
d2440ba0
JM		 5563
5564 msg = nlmsg_alloc();
5565 if (!msg)
5566 return -ENOMEM;
5567
5568 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
b4fd6fab
JM		 5569 beacon_set);
5570 if (beacon_set)
d2440ba0
JM		 5571 cmd = NL80211_CMD_SET_BEACON;
5572
9fb04070 5573 nl80211_cmd(drv, msg, 0, cmd);
19c3b566
JM		 5574 NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head);
5575 NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail);
b4fd6fab 5576 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
19c3b566
JM		 5577 NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int);
5578 NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period);
ccb941e6
JM		 5579 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
5580 params->ssid);
5ed33546
AN		 5581 if (params->proberesp && params->proberesp_len)
5582 NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
5583 params->proberesp);
97a7a0b5
JM		 5584 switch (params->hide_ssid) {
5585 case NO_SSID_HIDING:
5586 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
5587 NL80211_HIDDEN_SSID_NOT_IN_USE);
5588 break;
5589 case HIDDEN_SSID_ZERO_LEN:
5590 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
5591 NL80211_HIDDEN_SSID_ZERO_LEN);
5592 break;
5593 case HIDDEN_SSID_ZERO_CONTENTS:
5594 NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
5595 NL80211_HIDDEN_SSID_ZERO_CONTENTS);
5596 break;
5597 }
b11d1d64
JM		 5598 if (params->privacy)
5599 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
5600 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
5601 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
5602 /* Leave out the attribute */
5603 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED)
5604 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
5605 NL80211_AUTHTYPE_SHARED_KEY);
5606 else
5607 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE,
5608 NL80211_AUTHTYPE_OPEN_SYSTEM);
5609
5610 ver = 0;
5611 if (params->wpa_version & WPA_PROTO_WPA)
5612 ver |= NL80211_WPA_VERSION_1;
5613 if (params->wpa_version & WPA_PROTO_RSN)
5614 ver |= NL80211_WPA_VERSION_2;
5615 if (ver)
5616 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
5617
5618 num_suites = 0;
5619 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
5620 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
5621 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
5622 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
5623 if (num_suites) {
5624 NLA_PUT(msg, NL80211_ATTR_AKM_SUITES,
5625 num_suites * sizeof(u32), suites);
5626 }
5627
9f12614b
JB		 5628 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X &&
5629 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40))
5630 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT);
5631
b11d1d64
JM		 5632 num_suites = 0;
5633 if (params->pairwise_ciphers & WPA_CIPHER_CCMP)
5634 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
eb7719ff
JM		 5635 if (params->pairwise_ciphers & WPA_CIPHER_GCMP)
5636 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
b11d1d64
JM		 5637 if (params->pairwise_ciphers & WPA_CIPHER_TKIP)
5638 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
5639 if (params->pairwise_ciphers & WPA_CIPHER_WEP104)
5640 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
5641 if (params->pairwise_ciphers & WPA_CIPHER_WEP40)
5642 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
5643 if (num_suites) {
5644 NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5645 num_suites * sizeof(u32), suites);
5646 }
5647
5648 switch (params->group_cipher) {
5649 case WPA_CIPHER_CCMP:
5650 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
5651 WLAN_CIPHER_SUITE_CCMP);
5652 break;
eb7719ff
JM		 5653 case WPA_CIPHER_GCMP:
5654 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
5655 WLAN_CIPHER_SUITE_GCMP);
5656 break;
b11d1d64
JM		 5657 case WPA_CIPHER_TKIP:
5658 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
5659 WLAN_CIPHER_SUITE_TKIP);
5660 break;
5661 case WPA_CIPHER_WEP104:
5662 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
5663 WLAN_CIPHER_SUITE_WEP104);
5664 break;
5665 case WPA_CIPHER_WEP40:
5666 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP,
5667 WLAN_CIPHER_SUITE_WEP40);
5668 break;
5669 }
d2440ba0 5670
fb91db56
JM		 5671 if (params->beacon_ies) {
5672 NLA_PUT(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies),
5673 wpabuf_head(params->beacon_ies));
5674 }
5675 if (params->proberesp_ies) {
5676 NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP,
5677 wpabuf_len(params->proberesp_ies),
5678 wpabuf_head(params->proberesp_ies));
5679 }
5680 if (params->assocresp_ies) {
5681 NLA_PUT(msg, NL80211_ATTR_IE_ASSOC_RESP,
5682 wpabuf_len(params->assocresp_ies),
5683 wpabuf_head(params->assocresp_ies));
5684 }
5685
a0133ee1
VT		 5686 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
5687 NLA_PUT_U16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
5688 params->ap_max_inactivity);
5689 }
5690
d2440ba0
JM		 5691 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5692 if (ret) {
5693 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
5694 ret, strerror(-ret));
b4fd6fab 5695 } else {
b4fd6fab 5696 bss->beacon_set = 1;
31357268 5697 nl80211_set_bss(bss, params->cts_protect, params->preamble,
d03e8d11 5698 params->short_slot_time, params->ht_opmode,
e5693c47 5699 params->isolate, params->basic_rates);
b4fd6fab 5700 }
d2440ba0
JM		 5701 return ret;
5702 nla_put_failure:
5883168a 5703 nlmsg_free(msg);
d2440ba0
JM		 5704 return -ENOBUFS;
5705}
5706
5707
e4fb2167 5708static int wpa_driver_nl80211_set_freq(struct i802_bss *bss,
89b800d7 5709 struct hostapd_freq_params *freq)
1581b38b 5710{
e4fb2167 5711 struct wpa_driver_nl80211_data *drv = bss->drv;
1581b38b 5712 struct nl_msg *msg;
d2440ba0 5713 int ret;
1581b38b 5714
89b800d7
JB		 5715 wpa_printf(MSG_DEBUG, "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d,"
5716 " bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
5717 freq->freq, freq->ht_enabled, freq->vht_enabled,
5718 freq->bandwidth, freq->center_freq1, freq->center_freq2);
1581b38b
JM		 5719 msg = nlmsg_alloc();
5720 if (!msg)
5721 return -1;
5722
9fb04070 5723 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
1581b38b
JM		 5724
5725 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
89b800d7
JB		 5726 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq);
5727 if (freq->vht_enabled) {
5728 switch (freq->bandwidth) {
5729 case 20:
5730 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
5731 NL80211_CHAN_WIDTH_20);
5732 break;
5733 case 40:
5734 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
5735 NL80211_CHAN_WIDTH_40);
5736 break;
5737 case 80:
5738 if (freq->center_freq2)
5739 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
5740 NL80211_CHAN_WIDTH_80P80);
5741 else
5742 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
5743 NL80211_CHAN_WIDTH_80);
5744 break;
5745 case 160:
5746 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
5747 NL80211_CHAN_WIDTH_160);
5748 break;
5749 default:
5750 return -1;
5751 }
5752 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1);
5753 if (freq->center_freq2)
5754 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2,
5755 freq->center_freq2);
5756 } else if (freq->ht_enabled) {
5757 switch (freq->sec_channel_offset) {
f019981a
JM		 5758 case -1:
5759 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
5760 NL80211_CHAN_HT40MINUS);
5761 break;
5762 case 1:
5763 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
5764 NL80211_CHAN_HT40PLUS);
5765 break;
5766 default:
5767 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
5768 NL80211_CHAN_HT20);
5769 break;
5770 }
5771 }
1581b38b 5772
d2440ba0 5773 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 5774 msg = NULL;
e4fb2167 5775 if (ret == 0) {
89b800d7 5776 bss->freq = freq->freq;
1581b38b 5777 return 0;
e4fb2167 5778 }
f019981a 5779 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
89b800d7 5780 "%d (%s)", freq->freq, ret, strerror(-ret));
1581b38b 5781nla_put_failure:
5883168a 5782 nlmsg_free(msg);
1581b38b
JM		 5783 return -1;
5784}
5785
0f4e8b4f 5786
95ab6063
AN		 5787static u32 sta_flags_nl80211(int flags)
5788{
5789 u32 f = 0;
5790
5791 if (flags & WPA_STA_AUTHORIZED)
5792 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
5793 if (flags & WPA_STA_WMM)
5794 f |= BIT(NL80211_STA_FLAG_WME);
5795 if (flags & WPA_STA_SHORT_PREAMBLE)
5796 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
5797 if (flags & WPA_STA_MFP)
5798 f |= BIT(NL80211_STA_FLAG_MFP);
45b722f1
AN		 5799 if (flags & WPA_STA_TDLS_PEER)
5800 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
95ab6063
AN		 5801
5802 return f;
5803}
5804
5805
62847751 5806static int wpa_driver_nl80211_sta_add(void *priv,
0f4e8b4f
JM		 5807 struct hostapd_sta_add_params *params)
5808{
a2e40bb6
FF		 5809 struct i802_bss *bss = priv;
5810 struct wpa_driver_nl80211_data *drv = bss->drv;
774bfa62 5811 struct nl_msg *msg, *wme = NULL;
95ab6063 5812 struct nl80211_sta_flag_update upd;
0f4e8b4f
JM		 5813 int ret = -ENOBUFS;
5814
45b722f1
AN		 5815 if ((params->flags & WPA_STA_TDLS_PEER) &&
5816 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
5817 return -EOPNOTSUPP;
5818
0f4e8b4f
JM		 5819 msg = nlmsg_alloc();
5820 if (!msg)
5821 return -ENOMEM;
5822
45b722f1
AN		 5823 nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION :
5824 NL80211_CMD_NEW_STATION);
0f4e8b4f 5825
62847751 5826 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
0f4e8b4f 5827 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr);
0f4e8b4f
JM		 5828 NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len,
5829 params->supp_rates);
45b722f1
AN		 5830 if (!params->set) {
5831 NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid);
5832 NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
5833 params->listen_interval);
5834 }
0f4e8b4f
JM		 5835 if (params->ht_capabilities) {
5836 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY,
fc4e2d95
JM		 5837 sizeof(*params->ht_capabilities),
5838 params->ht_capabilities);
0f4e8b4f 5839 }
0f4e8b4f 5840
05a8d422
JB		 5841 if (params->vht_capabilities) {
5842 NLA_PUT(msg, NL80211_ATTR_VHT_CAPABILITY,
5843 sizeof(*params->vht_capabilities),
5844 params->vht_capabilities);
5845 }
5846
95ab6063
AN		 5847 os_memset(&upd, 0, sizeof(upd));
5848 upd.mask = sta_flags_nl80211(params->flags);
5849 upd.set = upd.mask;
5850 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
5851
774bfa62
EP		 5852 if (params->flags & WPA_STA_WMM) {
5853 wme = nlmsg_alloc();
5854 if (!wme)
5855 goto nla_put_failure;
5856
5857 NLA_PUT_U8(wme, NL80211_STA_WME_UAPSD_QUEUES,
5d061637
JY		 5858 params->qosinfo & WMM_QOSINFO_STA_AC_MASK);
5859 NLA_PUT_U8(wme, NL80211_STA_WME_MAX_SP,
5860 (params->qosinfo > WMM_QOSINFO_STA_SP_SHIFT) &
5861 WMM_QOSINFO_STA_SP_MASK);
f0494d0f
JM		 5862 if (nla_put_nested(msg, NL80211_ATTR_STA_WME, wme) < 0)
5863 goto nla_put_failure;
774bfa62
EP		 5864 }
5865
0f4e8b4f 5866 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 5867 msg = NULL;
0f4e8b4f 5868 if (ret)
45b722f1
AN		 5869 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
5870 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
5871 strerror(-ret));
0f4e8b4f
JM		 5872 if (ret == -EEXIST)
5873 ret = 0;
5874 nla_put_failure:
5d061637 5875 nlmsg_free(wme);
5883168a 5876 nlmsg_free(msg);
0f4e8b4f
JM		 5877 return ret;
5878}
5879
5880
9ebce9c5 5881static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr)
0f4e8b4f 5882{
a2e40bb6 5883 struct wpa_driver_nl80211_data *drv = bss->drv;
0f4e8b4f
JM		 5884 struct nl_msg *msg;
5885 int ret;
5886
5887 msg = nlmsg_alloc();
5888 if (!msg)
5889 return -ENOMEM;
5890
9fb04070 5891 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
0f4e8b4f
JM		 5892
5893 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 5894 if_nametoindex(bss->ifname));
0f4e8b4f
JM		 5895 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
5896
5897 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5898 if (ret == -ENOENT)
5899 return 0;
5900 return ret;
5901 nla_put_failure:
5883168a 5902 nlmsg_free(msg);
0f4e8b4f
JM		 5903 return -ENOBUFS;
5904}
5905
1581b38b 5906
0915d02c
JM		 5907static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
5908 int ifidx)
5909{
5910 struct nl_msg *msg;
5911
c6e8e8e4
JM		 5912 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
5913
2135f224
JM		 5914 /* stop listening for EAPOL on this interface */
5915 del_ifidx(drv, ifidx);
2135f224 5916
0915d02c
JM		 5917 msg = nlmsg_alloc();
5918 if (!msg)
5919 goto nla_put_failure;
5920
9fb04070 5921 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE);
0915d02c
JM		 5922 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx);
5923
5924 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5925 return;
5883168a 5926 msg = NULL;
0915d02c 5927 nla_put_failure:
5883168a 5928 nlmsg_free(msg);
e748062b 5929 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
0915d02c
JM		 5930}
5931
5932
a1922f93
JM		 5933static const char * nl80211_iftype_str(enum nl80211_iftype mode)
5934{
5935 switch (mode) {
5936 case NL80211_IFTYPE_ADHOC:
5937 return "ADHOC";
5938 case NL80211_IFTYPE_STATION:
5939 return "STATION";
5940 case NL80211_IFTYPE_AP:
5941 return "AP";
5942 case NL80211_IFTYPE_MONITOR:
5943 return "MONITOR";
5944 case NL80211_IFTYPE_P2P_CLIENT:
5945 return "P2P_CLIENT";
5946 case NL80211_IFTYPE_P2P_GO:
5947 return "P2P_GO";
5948 default:
5949 return "unknown";
5950 }
5951}
5952
5953
a35187e7
KH		 5954static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
5955 const char *ifname,
5956 enum nl80211_iftype iftype,
fbbfcbac 5957 const u8 *addr, int wds)
0915d02c
JM		 5958{
5959 struct nl_msg *msg, *flags = NULL;
5960 int ifidx;
5961 int ret = -ENOBUFS;
5962
a1922f93
JM		 5963 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
5964 iftype, nl80211_iftype_str(iftype));
5965
0915d02c
JM		 5966 msg = nlmsg_alloc();
5967 if (!msg)
5968 return -1;
5969
9fb04070 5970 nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_INTERFACE);
0915d02c
JM		 5971 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
5972 NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname);
5973 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype);
5974
5975 if (iftype == NL80211_IFTYPE_MONITOR) {
5976 int err;
5977
5978 flags = nlmsg_alloc();
5979 if (!flags)
5980 goto nla_put_failure;
5981
5982 NLA_PUT_FLAG(flags, NL80211_MNTR_FLAG_COOK_FRAMES);
5983
5984 err = nla_put_nested(msg, NL80211_ATTR_MNTR_FLAGS, flags);
5985
5986 nlmsg_free(flags);
5987
5988 if (err)
5989 goto nla_put_failure;
fbbfcbac
FF		 5990 } else if (wds) {
5991 NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, wds);
0915d02c
JM		 5992 }
5993
5994 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 5995 msg = NULL;
0915d02c
JM		 5996 if (ret) {
5997 nla_put_failure:
5883168a 5998 nlmsg_free(msg);
a35187e7
KH		 5999 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
6000 ifname, ret, strerror(-ret));
0915d02c
JM		 6001 return ret;
6002 }
6003
6004 ifidx = if_nametoindex(ifname);
c6e8e8e4
JM		 6005 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
6006 ifname, ifidx);
0915d02c
JM		 6007
6008 if (ifidx <= 0)
6009 return -1;
6010
2135f224
JM		 6011 /* start listening for EAPOL on this interface */
6012 add_ifidx(drv, ifidx);
6013
7bfc47c3 6014 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
c81eff1a 6015 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
41d931ee
JM		 6016 nl80211_remove_iface(drv, ifidx);
6017 return -1;
2135f224 6018 }
2135f224 6019
0915d02c
JM		 6020 return ifidx;
6021}
22a7c9d7
JM		 6022
6023
a35187e7
KH		 6024static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
6025 const char *ifname, enum nl80211_iftype iftype,
fbbfcbac 6026 const u8 *addr, int wds)
a35187e7
KH		 6027{
6028 int ret;
6029
fbbfcbac 6030 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds);
a35187e7 6031
ffbf1eaa 6032 /* if error occurred and interface exists already */
a35187e7
KH		 6033 if (ret == -ENFILE && if_nametoindex(ifname)) {
6034 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
6035
6036 /* Try to remove the interface that was already there. */
6037 nl80211_remove_iface(drv, if_nametoindex(ifname));
6038
6039 /* Try to create the interface again */
fbbfcbac
FF		 6040 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
6041 wds);
a35187e7
KH		 6042 }
6043
b3af99d2 6044 if (ret >= 0 && is_p2p_interface(iftype))
4e5cb1a3
JM		 6045 nl80211_disable_11b_rates(drv, ret, 1);
6046
a35187e7
KH		 6047 return ret;
6048}
0915d02c 6049
2135f224 6050
0915d02c
JM		 6051static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok)
6052{
6053 struct ieee80211_hdr *hdr;
f8b1f695
JM		 6054 u16 fc;
6055 union wpa_event_data event;
0915d02c
JM		 6056
6057 hdr = (struct ieee80211_hdr *) buf;
6058 fc = le_to_host16(hdr->frame_control);
6059
f8b1f695
JM		 6060 os_memset(&event, 0, sizeof(event));
6061 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
6062 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
6063 event.tx_status.dst = hdr->addr1;
6064 event.tx_status.data = buf;
6065 event.tx_status.data_len = len;
6066 event.tx_status.ack = ok;
6067 wpa_supplicant_event(ctx, EVENT_TX_STATUS, &event);
0915d02c
JM		 6068}
6069
6070
4b9841d3 6071static void from_unknown_sta(struct wpa_driver_nl80211_data *drv,
0d9fc3d8 6072 u8 *buf, size_t len)
0915d02c 6073{
9b90955e
JB		 6074 struct ieee80211_hdr *hdr = (void *)buf;
6075 u16 fc;
f8b1f695 6076 union wpa_event_data event;
9b90955e
JB		 6077
6078 if (len < sizeof(*hdr))
6079 return;
6080
6081 fc = le_to_host16(hdr->frame_control);
6082
f8b1f695 6083 os_memset(&event, 0, sizeof(event));
9b90955e
JB		 6084 event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len);
6085 event.rx_from_unknown.addr = hdr->addr2;
6086 event.rx_from_unknown.wds = (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) ==
6087 (WLAN_FC_FROMDS | WLAN_FC_TODS);
f8b1f695 6088 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
4b9841d3 6089}
0915d02c 6090
4b9841d3
JM		 6091
6092static void handle_frame(struct wpa_driver_nl80211_data *drv,
2a8b7416 6093 u8 *buf, size_t len, int datarate, int ssi_signal)
4b9841d3
JM		 6094{
6095 struct ieee80211_hdr *hdr;
f8b1f695
JM		 6096 u16 fc;
6097 union wpa_event_data event;
0915d02c
JM		 6098
6099 hdr = (struct ieee80211_hdr *) buf;
6100 fc = le_to_host16(hdr->frame_control);
0915d02c 6101
4b9841d3 6102 switch (WLAN_FC_GET_TYPE(fc)) {
0915d02c 6103 case WLAN_FC_TYPE_MGMT:
f8b1f695
JM		 6104 os_memset(&event, 0, sizeof(event));
6105 event.rx_mgmt.frame = buf;
6106 event.rx_mgmt.frame_len = len;
2a8b7416
JM		 6107 event.rx_mgmt.datarate = datarate;
6108 event.rx_mgmt.ssi_signal = ssi_signal;
f8b1f695 6109 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
0915d02c
JM		 6110 break;
6111 case WLAN_FC_TYPE_CTRL:
6112 /* can only get here with PS-Poll frames */
6113 wpa_printf(MSG_DEBUG, "CTRL");
0d9fc3d8 6114 from_unknown_sta(drv, buf, len);
0915d02c
JM		 6115 break;
6116 case WLAN_FC_TYPE_DATA:
0d9fc3d8 6117 from_unknown_sta(drv, buf, len);
0915d02c
JM		 6118 break;
6119 }
6120}
6121
6122
6123static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
6124{
6125 struct wpa_driver_nl80211_data *drv = eloop_ctx;
6126 int len;
6127 unsigned char buf[3000];
6128 struct ieee80211_radiotap_iterator iter;
6129 int ret;
2a8b7416 6130 int datarate = 0, ssi_signal = 0;
4b9841d3 6131 int injected = 0, failed = 0, rxflags = 0;
0915d02c
JM		 6132
6133 len = recv(sock, buf, sizeof(buf), 0);
6134 if (len < 0) {
6135 perror("recv");
6136 return;
6137 }
6138
6139 if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) {
6140 printf("received invalid radiotap frame\n");
6141 return;
6142 }
6143
0915d02c
JM		 6144 while (1) {
6145 ret = ieee80211_radiotap_iterator_next(&iter);
6146 if (ret == -ENOENT)
6147 break;
6148 if (ret) {
6149 printf("received invalid radiotap frame (%d)\n", ret);
6150 return;
6151 }
6152 switch (iter.this_arg_index) {
6153 case IEEE80211_RADIOTAP_FLAGS:
6154 if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS)
6155 len -= 4;
6156 break;
6157 case IEEE80211_RADIOTAP_RX_FLAGS:
6158 rxflags = 1;
6159 break;
6160 case IEEE80211_RADIOTAP_TX_FLAGS:
6161 injected = 1;
6162 failed = le_to_host16((*(uint16_t *) iter.this_arg)) &
6163 IEEE80211_RADIOTAP_F_TX_FAIL;
6164 break;
6165 case IEEE80211_RADIOTAP_DATA_RETRIES:
6166 break;
6167 case IEEE80211_RADIOTAP_CHANNEL:
2a8b7416 6168 /* TODO: convert from freq/flags to channel number */
0915d02c
JM		 6169 break;
6170 case IEEE80211_RADIOTAP_RATE:
2a8b7416 6171 datarate = *iter.this_arg * 5;
0915d02c 6172 break;
baf513d6
JB		 6173 case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
6174 ssi_signal = (s8) *iter.this_arg;
0915d02c
JM		 6175 break;
6176 }
6177 }
6178
6179 if (rxflags && injected)
6180 return;
6181
6182 if (!injected)
4b9841d3 6183 handle_frame(drv, buf + iter.max_length,
2a8b7416 6184 len - iter.max_length, datarate, ssi_signal);
0915d02c 6185 else
4b9841d3
JM		 6186 handle_tx_callback(drv->ctx, buf + iter.max_length,
6187 len - iter.max_length, !failed);
0915d02c
JM		 6188}
6189
6190
6191/*
6192 * we post-process the filter code later and rewrite
6193 * this to the offset to the last instruction
6194 */
6195#define PASS 0xFF
6196#define FAIL 0xFE
6197
6198static struct sock_filter msock_filter_insns[] = {
6199 /*
6200 * do a little-endian load of the radiotap length field
6201 */
6202 /* load lower byte into A */
6203 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
6204 /* put it into X (== index register) */
6205 BPF_STMT(BPF_MISC| BPF_TAX, 0),
6206 /* load upper byte into A */
6207 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 3),
6208 /* left-shift it by 8 */
6209 BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 8),
6210 /* or with X */
6211 BPF_STMT(BPF_ALU | BPF_OR | BPF_X, 0),
6212 /* put result into X */
6213 BPF_STMT(BPF_MISC| BPF_TAX, 0),
6214
6215 /*
6216 * Allow management frames through, this also gives us those
6217 * management frames that we sent ourselves with status
6218 */
6219 /* load the lower byte of the IEEE 802.11 frame control field */
6220 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
6221 /* mask off frame type and version */
6222 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xF),
6223 /* accept frame if it's both 0, fall through otherwise */
6224 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, PASS, 0),
6225
6226 /*
6227 * TODO: add a bit to radiotap RX flags that indicates
6228 * that the sending station is not associated, then
6229 * add a filter here that filters on our DA and that flag
6230 * to allow us to deauth frames to that bad station.
6231 *
65ae1afd 6232 * For now allow all To DS data frames through.
0915d02c 6233 */
65ae1afd
HS		 6234 /* load the IEEE 802.11 frame control field */
6235 BPF_STMT(BPF_LD | BPF_H | BPF_IND, 0),
6236 /* mask off frame type, version and DS status */
6237 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03),
6238 /* accept frame if version 0, type 2 and To DS, fall through otherwise
6239 */
6240 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0),
0915d02c
JM		 6241
6242#if 0
6243 /*
fbbfcbac 6244 * drop non-data frames
0915d02c
JM		 6245 */
6246 /* load the lower byte of the frame control field */
6247 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
6248 /* mask off QoS bit */
6249 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c),
6250 /* drop non-data frames */
6251 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL),
fbbfcbac 6252#endif
0915d02c 6253 /* load the upper byte of the frame control field */
fbbfcbac 6254 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1),
0915d02c
JM		 6255 /* mask off toDS/fromDS */
6256 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03),
fbbfcbac
FF		 6257 /* accept WDS frames */
6258 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, PASS, 0),
0915d02c
JM		 6259
6260 /*
6261 * add header length to index
6262 */
6263 /* load the lower byte of the frame control field */
6264 BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
6265 /* mask off QoS bit */
6266 BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x80),
6267 /* right shift it by 6 to give 0 or 2 */
6268 BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 6),
6269 /* add data frame header length */
6270 BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 24),
6271 /* add index, was start of 802.11 header */
6272 BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
6273 /* move to index, now start of LL header */
6274 BPF_STMT(BPF_MISC | BPF_TAX, 0),
6275
6276 /*
6277 * Accept empty data frames, we use those for
6278 * polling activity.
6279 */
6280 BPF_STMT(BPF_LD | BPF_W | BPF_LEN, 0),
6281 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, PASS, 0),
6282
6283 /*
6284 * Accept EAPOL frames
6285 */
6286 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0),
6287 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0xAAAA0300, 0, FAIL),
6288 BPF_STMT(BPF_LD | BPF_W | BPF_IND, 4),
6289 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0000888E, PASS, FAIL),
6290
6291 /* keep these last two statements or change the code below */
6292 /* return 0 == "DROP" */
6293 BPF_STMT(BPF_RET | BPF_K, 0),
6294 /* return ~0 == "keep all" */
6295 BPF_STMT(BPF_RET | BPF_K, ~0),
6296};
6297
6298static struct sock_fprog msock_filter = {
6299 .len = sizeof(msock_filter_insns)/sizeof(msock_filter_insns[0]),
6300 .filter = msock_filter_insns,
6301};
6302
6303
6304static int add_monitor_filter(int s)
6305{
6306 int idx;
6307
6308 /* rewrite all PASS/FAIL jump offsets */
6309 for (idx = 0; idx < msock_filter.len; idx++) {
6310 struct sock_filter *insn = &msock_filter_insns[idx];
6311
6312 if (BPF_CLASS(insn->code) == BPF_JMP) {
6313 if (insn->code == (BPF_JMP|BPF_JA)) {
6314 if (insn->k == PASS)
6315 insn->k = msock_filter.len - idx - 2;
6316 else if (insn->k == FAIL)
6317 insn->k = msock_filter.len - idx - 3;
6318 }
6319
6320 if (insn->jt == PASS)
6321 insn->jt = msock_filter.len - idx - 2;
6322 else if (insn->jt == FAIL)
6323 insn->jt = msock_filter.len - idx - 3;
6324
6325 if (insn->jf == PASS)
6326 insn->jf = msock_filter.len - idx - 2;
6327 else if (insn->jf == FAIL)
6328 insn->jf = msock_filter.len - idx - 3;
6329 }
6330 }
6331
6332 if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER,
6333 &msock_filter, sizeof(msock_filter))) {
6334 perror("SO_ATTACH_FILTER");
6335 return -1;
6336 }
6337
6338 return 0;
6339}
6340
6341
460456f8
JM		 6342static void nl80211_remove_monitor_interface(
6343 struct wpa_driver_nl80211_data *drv)
6344{
3fd1cefb
JB		 6345 drv->monitor_refcount--;
6346 if (drv->monitor_refcount > 0)
6347 return;
6348
460456f8
JM		 6349 if (drv->monitor_ifidx >= 0) {
6350 nl80211_remove_iface(drv, drv->monitor_ifidx);
6351 drv->monitor_ifidx = -1;
6352 }
504e905c
JM		 6353 if (drv->monitor_sock >= 0) {
6354 eloop_unregister_read_sock(drv->monitor_sock);
6355 close(drv->monitor_sock);
6356 drv->monitor_sock = -1;
6357 }
460456f8
JM		 6358}
6359
6360
0915d02c
JM		 6361static int
6362nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv)
6363{
6364 char buf[IFNAMSIZ];
6365 struct sockaddr_ll ll;
6366 int optval;
6367 socklen_t optlen;
0915d02c 6368
3fd1cefb
JB		 6369 if (drv->monitor_ifidx >= 0) {
6370 drv->monitor_refcount++;
6371 return 0;
6372 }
6373
6758b167
JJ		 6374 if (os_strncmp(drv->first_bss.ifname, "p2p-", 4) == 0) {
6375 /*
6376 * P2P interface name is of the format p2p-%s-%d. For monitor
6377 * interface name corresponding to P2P GO, replace "p2p-" with
6378 * "mon-" to retain the same interface name length and to
6379 * indicate that it is a monitor interface.
6380 */
6381 snprintf(buf, IFNAMSIZ, "mon-%s", drv->first_bss.ifname + 4);
6382 } else {
6383 /* Non-P2P interface with AP functionality. */
6384 snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss.ifname);
6385 }
6386
0915d02c
JM		 6387 buf[IFNAMSIZ - 1] = '\0';
6388
6389 drv->monitor_ifidx =
fbbfcbac
FF		 6390 nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL,
6391 0);
0915d02c 6392
866af8b6 6393 if (drv->monitor_ifidx == -EOPNOTSUPP) {
61cbe2ff
JB		 6394 /*
6395 * This is backward compatibility for a few versions of
6396 * the kernel only that didn't advertise the right
6397 * attributes for the only driver that then supported
6398 * AP mode w/o monitor -- ath6kl.
6399 */
866af8b6
JM		 6400 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support "
6401 "monitor interface type - try to run without it");
61cbe2ff 6402 drv->device_ap_sme = 1;
866af8b6
JM		 6403 }
6404
0915d02c
JM		 6405 if (drv->monitor_ifidx < 0)
6406 return -1;
6407
c81eff1a 6408 if (linux_set_iface_flags(drv->global->ioctl_sock, buf, 1))
0915d02c 6409 goto error;
0915d02c
JM		 6410
6411 memset(&ll, 0, sizeof(ll));
6412 ll.sll_family = AF_PACKET;
6413 ll.sll_ifindex = drv->monitor_ifidx;
6414 drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
6415 if (drv->monitor_sock < 0) {
6416 perror("socket[PF_PACKET,SOCK_RAW]");
6417 goto error;
6418 }
6419
6420 if (add_monitor_filter(drv->monitor_sock)) {
6421 wpa_printf(MSG_INFO, "Failed to set socket filter for monitor "
6422 "interface; do filtering in user space");
6423 /* This works, but will cost in performance. */
6424 }
6425
2135f224 6426 if (bind(drv->monitor_sock, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
0915d02c
JM		 6427 perror("monitor socket bind");
6428 goto error;
6429 }
6430
6431 optlen = sizeof(optval);
6432 optval = 20;
6433 if (setsockopt
6434 (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) {
6435 perror("Failed to set socket priority");
6436 goto error;
6437 }
6438
6439 if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read,
6440 drv, NULL)) {
6441 printf("Could not register monitor read socket\n");
6442 goto error;
6443 }
6444
6445 return 0;
6446 error:
460456f8 6447 nl80211_remove_monitor_interface(drv);
0915d02c
JM		 6448 return -1;
6449}
6450
db149ac9 6451
3fd1cefb
JB		 6452static int nl80211_setup_ap(struct i802_bss *bss)
6453{
6454 struct wpa_driver_nl80211_data *drv = bss->drv;
6455
36488c05
JM		 6456 wpa_printf(MSG_DEBUG, "nl80211: Setup AP - device_ap_sme=%d "
6457 "use_monitor=%d", drv->device_ap_sme, drv->use_monitor);
6458
a11241fa
JB		 6459 /*
6460 * Disable Probe Request reporting unless we need it in this way for
6461 * devices that include the AP SME, in the other case (unless using
6462 * monitor iface) we'll get it through the nl_mgmt socket instead.
6463 */
6464 if (!drv->device_ap_sme)
6465 wpa_driver_nl80211_probe_req_report(bss, 0);
6466
6467 if (!drv->device_ap_sme && !drv->use_monitor)
6468 if (nl80211_mgmt_subscribe_ap(bss))
6469 return -1;
6470
a6cc0602
JM		 6471 if (drv->device_ap_sme && !drv->use_monitor)
6472 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
6473 return -1;
6474
a11241fa 6475 if (!drv->device_ap_sme && drv->use_monitor &&
3fd1cefb
JB		 6476 nl80211_create_monitor_interface(drv) &&
6477 !drv->device_ap_sme)
6478 return -1;
6479
6480 if (drv->device_ap_sme &&
6481 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
6482 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
6483 "Probe Request frame reporting in AP mode");
6484 /* Try to survive without this */
6485 }
6486
6487 return 0;
6488}
6489
6490
6491static void nl80211_teardown_ap(struct i802_bss *bss)
6492{
6493 struct wpa_driver_nl80211_data *drv = bss->drv;
6494
a6cc0602 6495 if (drv->device_ap_sme) {
3fd1cefb 6496 wpa_driver_nl80211_probe_req_report(bss, 0);
a6cc0602
JM		 6497 if (!drv->use_monitor)
6498 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
6499 } else if (drv->use_monitor)
3fd1cefb 6500 nl80211_remove_monitor_interface(drv);
a11241fa 6501 else
36488c05 6502 nl80211_mgmt_unsubscribe(bss, "AP teardown");
a11241fa 6503
3fd1cefb
JB		 6504 bss->beacon_set = 0;
6505}
6506
6507
f10bfc9a
JM		 6508static int nl80211_send_eapol_data(struct i802_bss *bss,
6509 const u8 *addr, const u8 *data,
d12dab4c 6510 size_t data_len)
f10bfc9a 6511{
d12dab4c
JB		 6512 struct sockaddr_ll ll;
6513 int ret;
6514
6515 if (bss->drv->eapol_tx_sock < 0) {
6516 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
f10bfc9a
JM		 6517 return -1;
6518 }
6519
d12dab4c
JB		 6520 os_memset(&ll, 0, sizeof(ll));
6521 ll.sll_family = AF_PACKET;
6522 ll.sll_ifindex = bss->ifindex;
6523 ll.sll_protocol = htons(ETH_P_PAE);
6524 ll.sll_halen = ETH_ALEN;
6525 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
6526 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
6527 (struct sockaddr *) &ll, sizeof(ll));
6528 if (ret < 0)
6529 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
6530 strerror(errno));
6531
6532 return ret;
f10bfc9a 6533}
5fb1a232 6534
f10bfc9a 6535
db149ac9
JM		 6536static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
6537
6538static int wpa_driver_nl80211_hapd_send_eapol(
6539 void *priv, const u8 *addr, const u8 *data,
4378fc14 6540 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
db149ac9 6541{
a2e40bb6
FF		 6542 struct i802_bss *bss = priv;
6543 struct wpa_driver_nl80211_data *drv = bss->drv;
db149ac9
JM		 6544 struct ieee80211_hdr *hdr;
6545 size_t len;
6546 u8 *pos;
6547 int res;
4378fc14 6548 int qos = flags & WPA_STA_WMM;
db149ac9 6549
a11241fa 6550 if (drv->device_ap_sme || !drv->use_monitor)
d12dab4c 6551 return nl80211_send_eapol_data(bss, addr, data, data_len);
f10bfc9a 6552
db149ac9
JM		 6553 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
6554 data_len;
6555 hdr = os_zalloc(len);
6556 if (hdr == NULL) {
6557 printf("malloc() failed for i802_send_data(len=%lu)\n",
6558 (unsigned long) len);
6559 return -1;
6560 }
6561
6562 hdr->frame_control =
6563 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
6564 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
6565 if (encrypt)
6566 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
db149ac9
JM		 6567 if (qos) {
6568 hdr->frame_control |=
6569 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
6570 }
db149ac9
JM		 6571
6572 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
6573 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
6574 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
6575 pos = (u8 *) (hdr + 1);
6576
db149ac9 6577 if (qos) {
92d521d8
FF		 6578 /* Set highest priority in QoS header */
6579 pos[0] = 7;
db149ac9
JM		 6580 pos[1] = 0;
6581 pos += 2;
6582 }
db149ac9
JM		 6583
6584 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
6585 pos += sizeof(rfc1042_header);
6586 WPA_PUT_BE16(pos, ETH_P_PAE);
6587 pos += 2;
6588 memcpy(pos, data, data_len);
6589
55231068
JM		 6590 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
6591 0, 0, 0, 0);
db149ac9
JM		 6592 if (res < 0) {
6593 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
6594 "failed: %d (%s)",
6595 (unsigned long) len, errno, strerror(errno));
6596 }
7bf12757 6597 os_free(hdr);
db149ac9
JM		 6598
6599 return res;
6600}
6601
a8d6ffa4 6602
3234cba4
JM		 6603static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
6604 int total_flags,
4c32757d 6605 int flags_or, int flags_and)
a8d6ffa4 6606{
a2e40bb6
FF		 6607 struct i802_bss *bss = priv;
6608 struct wpa_driver_nl80211_data *drv = bss->drv;
a8d6ffa4 6609 struct nl_msg *msg, *flags = NULL;
7e76ee9c 6610 struct nl80211_sta_flag_update upd;
a8d6ffa4
JM		 6611
6612 msg = nlmsg_alloc();
6613 if (!msg)
6614 return -ENOMEM;
6615
6616 flags = nlmsg_alloc();
6617 if (!flags) {
6618 nlmsg_free(msg);
6619 return -ENOMEM;
6620 }
6621
9fb04070 6622 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
a8d6ffa4
JM		 6623
6624 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
3234cba4 6625 if_nametoindex(bss->ifname));
a8d6ffa4
JM		 6626 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
6627
7e76ee9c
JM		 6628 /*
6629 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
6630 * can be removed eventually.
6631 */
0de39516 6632 if (total_flags & WPA_STA_AUTHORIZED)
a8d6ffa4
JM		 6633 NLA_PUT_FLAG(flags, NL80211_STA_FLAG_AUTHORIZED);
6634
0de39516 6635 if (total_flags & WPA_STA_WMM)
a8d6ffa4
JM		 6636 NLA_PUT_FLAG(flags, NL80211_STA_FLAG_WME);
6637
0de39516 6638 if (total_flags & WPA_STA_SHORT_PREAMBLE)
a8d6ffa4
JM		 6639 NLA_PUT_FLAG(flags, NL80211_STA_FLAG_SHORT_PREAMBLE);
6640
0de39516 6641 if (total_flags & WPA_STA_MFP)
a8d6ffa4
JM		 6642 NLA_PUT_FLAG(flags, NL80211_STA_FLAG_MFP);
6643
45b722f1
AN		 6644 if (total_flags & WPA_STA_TDLS_PEER)
6645 NLA_PUT_FLAG(flags, NL80211_STA_FLAG_TDLS_PEER);
6646
a8d6ffa4
JM		 6647 if (nla_put_nested(msg, NL80211_ATTR_STA_FLAGS, flags))
6648 goto nla_put_failure;
6649
7e76ee9c
JM		 6650 os_memset(&upd, 0, sizeof(upd));
6651 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
6652 upd.set = sta_flags_nl80211(flags_or);
6653 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
6654
a8d6ffa4
JM		 6655 nlmsg_free(flags);
6656
6657 return send_and_recv_msgs(drv, msg, NULL, NULL);
6658 nla_put_failure:
5883168a 6659 nlmsg_free(msg);
a8d6ffa4
JM		 6660 nlmsg_free(flags);
6661 return -ENOBUFS;
6662}
6663
0915d02c 6664
1581b38b
JM		 6665static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
6666 struct wpa_driver_associate_params *params)
6667{
708bc8e0 6668 enum nl80211_iftype nlmode, old_mode;
89b800d7
JB		 6669 struct hostapd_freq_params freq = {
6670 .freq = params->freq,
6671 };
b1f625e0
EP		 6672
6673 if (params->p2p) {
046b26a2
JM		 6674 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
6675 "group (GO)");
b1f625e0
EP		 6676 nlmode = NL80211_IFTYPE_P2P_GO;
6677 } else
6678 nlmode = NL80211_IFTYPE_AP;
6679
708bc8e0
JM		 6680 old_mode = drv->nlmode;
6681 if (wpa_driver_nl80211_set_mode(&drv->first_bss, nlmode)) {
6682 nl80211_remove_monitor_interface(drv);
6683 return -1;
6684 }
6685
89b800d7 6686 if (wpa_driver_nl80211_set_freq(&drv->first_bss, &freq)) {
708bc8e0
JM		 6687 if (old_mode != nlmode)
6688 wpa_driver_nl80211_set_mode(&drv->first_bss, old_mode);
460456f8 6689 nl80211_remove_monitor_interface(drv);
1581b38b 6690 return -1;
0915d02c 6691 }
1581b38b 6692
1581b38b
JM		 6693 return 0;
6694}
1581b38b
JM		 6695
6696
5cc4d64b
JM		 6697static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv)
6698{
6699 struct nl_msg *msg;
6700 int ret = -1;
6701
6702 msg = nlmsg_alloc();
6703 if (!msg)
6704 return -1;
6705
9fb04070 6706 nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_IBSS);
5cc4d64b
JM		 6707 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6708 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6709 msg = NULL;
6710 if (ret) {
6711 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
6712 "(%s)", ret, strerror(-ret));
6713 goto nla_put_failure;
6714 }
6715
6716 ret = 0;
6717 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully");
6718
6719nla_put_failure:
6720 nlmsg_free(msg);
6721 return ret;
6722}
6723
6724
6725static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
6726 struct wpa_driver_associate_params *params)
6727{
6728 struct nl_msg *msg;
6729 int ret = -1;
6730 int count = 0;
6731
6732 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
6733
b1f625e0
EP		 6734 if (wpa_driver_nl80211_set_mode(&drv->first_bss,
6735 NL80211_IFTYPE_ADHOC)) {
5cc4d64b
JM		 6736 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
6737 "IBSS mode");
6738 return -1;
6739 }
6740
6741retry:
6742 msg = nlmsg_alloc();
6743 if (!msg)
6744 return -1;
6745
9fb04070 6746 nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_IBSS);
5cc4d64b
JM		 6747 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6748
6749 if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
6750 goto nla_put_failure;
6751
6752 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
6753 params->ssid, params->ssid_len);
6754 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
6755 params->ssid);
6756 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
6757 drv->ssid_len = params->ssid_len;
6758
6759 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
6760 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
6761
6762 ret = nl80211_set_conn_keys(params, msg);
6763 if (ret)
6764 goto nla_put_failure;
6765
913e3cf7
NC		 6766 if (params->bssid && params->fixed_bssid) {
6767 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
6768 MAC2STR(params->bssid));
6769 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
6770 }
6771
e640888c
AQ		 6772 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
6773 params->key_mgmt_suite == KEY_MGMT_PSK ||
6774 params->key_mgmt_suite == KEY_MGMT_802_1X_SHA256 ||
6775 params->key_mgmt_suite == KEY_MGMT_PSK_SHA256) {
6776 wpa_printf(MSG_DEBUG, " * control port");
6777 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
6778 }
6779
a95795ad
JM		 6780 if (params->wpa_ie) {
6781 wpa_hexdump(MSG_DEBUG,
6782 " * Extra IEs for Beacon/Probe Response frames",
6783 params->wpa_ie, params->wpa_ie_len);
6784 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
6785 params->wpa_ie);
6786 }
6787
5cc4d64b
JM		 6788 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6789 msg = NULL;
6790 if (ret) {
6791 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
6792 ret, strerror(-ret));
6793 count++;
6794 if (ret == -EALREADY && count == 1) {
6795 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
6796 "forced leave");
6797 nl80211_leave_ibss(drv);
6798 nlmsg_free(msg);
6799 goto retry;
6800 }
6801
6802 goto nla_put_failure;
6803 }
6804 ret = 0;
6805 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully");
6806
6807nla_put_failure:
6808 nlmsg_free(msg);
6809 return ret;
6810}
6811
6812
a8c5b43a 6813static int wpa_driver_nl80211_try_connect(
cfaab580
ZY		 6814 struct wpa_driver_nl80211_data *drv,
6815 struct wpa_driver_associate_params *params)
6816{
6817 struct nl_msg *msg;
6818 enum nl80211_auth_type type;
6819 int ret = 0;
3f360238 6820 int algs;
cfaab580
ZY		 6821
6822 msg = nlmsg_alloc();
6823 if (!msg)
6824 return -1;
6825
6826 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
9fb04070 6827 nl80211_cmd(drv, msg, 0, NL80211_CMD_CONNECT);
cfaab580
ZY		 6828
6829 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
6830 if (params->bssid) {
6831 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
6832 MAC2STR(params->bssid));
6833 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
6834 }
6835 if (params->freq) {
6836 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
6837 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
6838 }
1f6c0ab8
BS		 6839 if (params->bg_scan_period >= 0) {
6840 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
6841 params->bg_scan_period);
6842 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
6843 params->bg_scan_period);
6844 }
cfaab580
ZY		 6845 if (params->ssid) {
6846 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
6847 params->ssid, params->ssid_len);
6848 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
6849 params->ssid);
6850 if (params->ssid_len > sizeof(drv->ssid))
6851 goto nla_put_failure;
6852 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
6853 drv->ssid_len = params->ssid_len;
6854 }
6855 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
6856 if (params->wpa_ie)
6857 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
6858 params->wpa_ie);
6859
3f360238
JM		 6860 algs = 0;
6861 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
6862 algs++;
6863 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
6864 algs++;
6865 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
6866 algs++;
6867 if (algs > 1) {
6868 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
6869 "selection");
6870 goto skip_auth_type;
6871 }
6872
abd9fafa 6873 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
cfaab580 6874 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
abd9fafa 6875 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
cfaab580 6876 type = NL80211_AUTHTYPE_SHARED_KEY;
abd9fafa 6877 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
cfaab580 6878 type = NL80211_AUTHTYPE_NETWORK_EAP;
abd9fafa 6879 else if (params->auth_alg & WPA_AUTH_ALG_FT)
cfaab580
ZY		 6880 type = NL80211_AUTHTYPE_FT;
6881 else
6882 goto nla_put_failure;
6883
6884 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
6885 NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
6886
3f360238 6887skip_auth_type:
64fa840a
JM		 6888 if (params->wpa_proto) {
6889 enum nl80211_wpa_versions ver = 0;
cfaab580 6890
64fa840a
JM		 6891 if (params->wpa_proto & WPA_PROTO_WPA)
6892 ver |= NL80211_WPA_VERSION_1;
6893 if (params->wpa_proto & WPA_PROTO_RSN)
6894 ver |= NL80211_WPA_VERSION_2;
cfaab580 6895
64fa840a 6896 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
cfaab580
ZY		 6897 NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver);
6898 }
6899
6900 if (params->pairwise_suite != CIPHER_NONE) {
c1bb3e0a 6901 int cipher;
cfaab580
ZY		 6902
6903 switch (params->pairwise_suite) {
369c8d7b
JM		 6904 case CIPHER_SMS4:
6905 cipher = WLAN_CIPHER_SUITE_SMS4;
6906 break;
cfaab580
ZY		 6907 case CIPHER_WEP40:
6908 cipher = WLAN_CIPHER_SUITE_WEP40;
6909 break;
6910 case CIPHER_WEP104:
6911 cipher = WLAN_CIPHER_SUITE_WEP104;
6912 break;
6913 case CIPHER_CCMP:
6914 cipher = WLAN_CIPHER_SUITE_CCMP;
6915 break;
eb7719ff
JM		 6916 case CIPHER_GCMP:
6917 cipher = WLAN_CIPHER_SUITE_GCMP;
6918 break;
cfaab580
ZY		 6919 case CIPHER_TKIP:
6920 default:
6921 cipher = WLAN_CIPHER_SUITE_TKIP;
6922 break;
6923 }
6924 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
6925 }
6926
6927 if (params->group_suite != CIPHER_NONE) {
c1bb3e0a 6928 int cipher;
cfaab580
ZY		 6929
6930 switch (params->group_suite) {
369c8d7b
JM		 6931 case CIPHER_SMS4:
6932 cipher = WLAN_CIPHER_SUITE_SMS4;
6933 break;
cfaab580
ZY		 6934 case CIPHER_WEP40:
6935 cipher = WLAN_CIPHER_SUITE_WEP40;
6936 break;
6937 case CIPHER_WEP104:
6938 cipher = WLAN_CIPHER_SUITE_WEP104;
6939 break;
6940 case CIPHER_CCMP:
6941 cipher = WLAN_CIPHER_SUITE_CCMP;
6942 break;
eb7719ff
JM		 6943 case CIPHER_GCMP:
6944 cipher = WLAN_CIPHER_SUITE_GCMP;
6945 break;
cfaab580
ZY		 6946 case CIPHER_TKIP:
6947 default:
6948 cipher = WLAN_CIPHER_SUITE_TKIP;
6949 break;
6950 }
6951 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
6952 }
6953
6954 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
369c8d7b
JM		 6955 params->key_mgmt_suite == KEY_MGMT_PSK ||
6956 params->key_mgmt_suite == KEY_MGMT_CCKM) {
cfaab580
ZY		 6957 int mgmt = WLAN_AKM_SUITE_PSK;
6958
6959 switch (params->key_mgmt_suite) {
369c8d7b
JM		 6960 case KEY_MGMT_CCKM:
6961 mgmt = WLAN_AKM_SUITE_CCKM;
6962 break;
cfaab580
ZY		 6963 case KEY_MGMT_802_1X:
6964 mgmt = WLAN_AKM_SUITE_8021X;
6965 break;
6966 case KEY_MGMT_PSK:
6967 default:
6968 mgmt = WLAN_AKM_SUITE_PSK;
6969 break;
6970 }
6971 NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt);
6972 }
6973
8b706a99
JM		 6974#ifdef CONFIG_IEEE80211W
6975 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
6976 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
6977#endif /* CONFIG_IEEE80211W */
6978
80e8a5ee
BG		 6979 if (params->disable_ht)
6980 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
6981
6982 if (params->htcaps && params->htcaps_mask) {
6983 int sz = sizeof(struct ieee80211_ht_capabilities);
6984 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
6985 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
6986 params->htcaps_mask);
6987 }
6988
cfaab580
ZY		 6989 ret = nl80211_set_conn_keys(params, msg);
6990 if (ret)
6991 goto nla_put_failure;
6992
6993 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6994 msg = NULL;
6995 if (ret) {
6996 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
6997 "(%s)", ret, strerror(-ret));
6998 goto nla_put_failure;
6999 }
7000 ret = 0;
7001 wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully");
7002
7003nla_put_failure:
7004 nlmsg_free(msg);
7005 return ret;
7006
7007}
7008
7009
a8c5b43a
CW		 7010static int wpa_driver_nl80211_connect(
7011 struct wpa_driver_nl80211_data *drv,
7012 struct wpa_driver_associate_params *params)
7013{
7014 int ret = wpa_driver_nl80211_try_connect(drv, params);
7015 if (ret == -EALREADY) {
7016 /*
7017 * cfg80211 does not currently accept new connections if
7018 * we are already connected. As a workaround, force
7019 * disconnection and try again.
7020 */
7021 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
7022 "disconnecting before reassociation "
7023 "attempt");
7024 if (wpa_driver_nl80211_disconnect(
7025 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
7026 return -1;
7027 /* Ignore the next local disconnect message. */
7028 drv->ignore_next_local_disconnect = 1;
7029 ret = wpa_driver_nl80211_try_connect(drv, params);
7030 }
7031 return ret;
7032}
7033
7034
c2a04078
JM		 7035static int wpa_driver_nl80211_associate(
7036 void *priv, struct wpa_driver_associate_params *params)
7037{
a2e40bb6
FF		 7038 struct i802_bss *bss = priv;
7039 struct wpa_driver_nl80211_data *drv = bss->drv;
c2a04078
JM		 7040 int ret = -1;
7041 struct nl_msg *msg;
7042
5cc4d64b 7043 if (params->mode == IEEE80211_MODE_AP)
1581b38b 7044 return wpa_driver_nl80211_ap(drv, params);
1581b38b 7045
5cc4d64b
JM		 7046 if (params->mode == IEEE80211_MODE_IBSS)
7047 return wpa_driver_nl80211_ibss(drv, params);
7048
4a867032 7049 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
b1f625e0
EP		 7050 enum nl80211_iftype nlmode = params->p2p ?
7051 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
7052
7053 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4a867032 7054 return -1;
cfaab580 7055 return wpa_driver_nl80211_connect(drv, params);
4a867032 7056 }
cfaab580 7057
c2a04078
JM		 7058 drv->associated = 0;
7059
7060 msg = nlmsg_alloc();
7061 if (!msg)
7062 return -1;
7063
7064 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
7065 drv->ifindex);
9fb04070 7066 nl80211_cmd(drv, msg, 0, NL80211_CMD_ASSOCIATE);
c2a04078
JM		 7067
7068 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7069 if (params->bssid) {
7070 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
7071 MAC2STR(params->bssid));
7072 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
7073 }
7074 if (params->freq) {
7075 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7076 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
4832ecd7
JM		 7077 drv->assoc_freq = params->freq;
7078 } else
7079 drv->assoc_freq = 0;
1f6c0ab8
BS		 7080 if (params->bg_scan_period >= 0) {
7081 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
7082 params->bg_scan_period);
7083 NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
7084 params->bg_scan_period);
7085 }
c2a04078
JM		 7086 if (params->ssid) {
7087 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7088 params->ssid, params->ssid_len);
7089 NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
7090 params->ssid);
fd05d64e
JM		 7091 if (params->ssid_len > sizeof(drv->ssid))
7092 goto nla_put_failure;
7093 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
7094 drv->ssid_len = params->ssid_len;
c2a04078
JM		 7095 }
7096 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
7097 if (params->wpa_ie)
7098 NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
7099 params->wpa_ie);
7100
aca01605
JM		 7101 if (params->pairwise_suite != CIPHER_NONE) {
7102 int cipher;
7103
7104 switch (params->pairwise_suite) {
7105 case CIPHER_WEP40:
7106 cipher = WLAN_CIPHER_SUITE_WEP40;
7107 break;
7108 case CIPHER_WEP104:
7109 cipher = WLAN_CIPHER_SUITE_WEP104;
7110 break;
7111 case CIPHER_CCMP:
7112 cipher = WLAN_CIPHER_SUITE_CCMP;
7113 break;
eb7719ff
JM		 7114 case CIPHER_GCMP:
7115 cipher = WLAN_CIPHER_SUITE_GCMP;
7116 break;
aca01605
JM		 7117 case CIPHER_TKIP:
7118 default:
7119 cipher = WLAN_CIPHER_SUITE_TKIP;
7120 break;
7121 }
79c3124c 7122 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
aca01605
JM		 7123 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
7124 }
7125
7126 if (params->group_suite != CIPHER_NONE) {
7127 int cipher;
7128
7129 switch (params->group_suite) {
7130 case CIPHER_WEP40:
7131 cipher = WLAN_CIPHER_SUITE_WEP40;
7132 break;
7133 case CIPHER_WEP104:
7134 cipher = WLAN_CIPHER_SUITE_WEP104;
7135 break;
7136 case CIPHER_CCMP:
7137 cipher = WLAN_CIPHER_SUITE_CCMP;
7138 break;
eb7719ff
JM		 7139 case CIPHER_GCMP:
7140 cipher = WLAN_CIPHER_SUITE_GCMP;
7141 break;
aca01605
JM		 7142 case CIPHER_TKIP:
7143 default:
7144 cipher = WLAN_CIPHER_SUITE_TKIP;
7145 break;
7146 }
79c3124c 7147 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
aca01605
JM		 7148 NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
7149 }
7150
e572fa33
JM		 7151#ifdef CONFIG_IEEE80211W
7152 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
7153 NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
7154#endif /* CONFIG_IEEE80211W */
7155
01652550
JM		 7156 NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT);
7157
62fa124c
JM		 7158 if (params->prev_bssid) {
7159 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
7160 MAC2STR(params->prev_bssid));
7161 NLA_PUT(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
7162 params->prev_bssid);
7163 }
7164
80e8a5ee
BG		 7165 if (params->disable_ht)
7166 NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT);
7167
7168 if (params->htcaps && params->htcaps_mask) {
7169 int sz = sizeof(struct ieee80211_ht_capabilities);
7170 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps);
7171 NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
7172 params->htcaps_mask);
7173 }
7174
046b26a2
JM		 7175 if (params->p2p)
7176 wpa_printf(MSG_DEBUG, " * P2P group");
7177
c2a04078
JM		 7178 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7179 msg = NULL;
7180 if (ret) {
3b7ea880
BG		 7181 wpa_dbg(drv->ctx, MSG_DEBUG,
7182 "nl80211: MLME command failed (assoc): ret=%d (%s)",
7183 ret, strerror(-ret));
8856462d 7184 nl80211_dump_scan(drv);
c2a04078
JM		 7185 goto nla_put_failure;
7186 }
7187 ret = 0;
7188 wpa_printf(MSG_DEBUG, "nl80211: Association request send "
7189 "successfully");
7190
7191nla_put_failure:
7192 nlmsg_free(msg);
7193 return ret;
7194}
3f5285e8
JM		 7195
7196
ad1e68e6 7197static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
a1922f93 7198 int ifindex, enum nl80211_iftype mode)
3f5285e8 7199{
3f5285e8 7200 struct nl_msg *msg;
ad1e68e6
JM		 7201 int ret = -ENOBUFS;
7202
a1922f93
JM		 7203 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
7204 ifindex, mode, nl80211_iftype_str(mode));
7205
ad1e68e6
JM		 7206 msg = nlmsg_alloc();
7207 if (!msg)
7208 return -ENOMEM;
7209
9fb04070 7210 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE);
ad1e68e6
JM		 7211 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
7212 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
7213
7214 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 7215 msg = NULL;
ad1e68e6
JM		 7216 if (!ret)
7217 return 0;
7218nla_put_failure:
5883168a 7219 nlmsg_free(msg);
ad1e68e6
JM		 7220 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
7221 " %d (%s)", ifindex, mode, ret, strerror(-ret));
7222 return ret;
7223}
7224
7225
b1f625e0
EP		 7226static int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
7227 enum nl80211_iftype nlmode)
ad1e68e6 7228{
a2e40bb6 7229 struct wpa_driver_nl80211_data *drv = bss->drv;
ad1e68e6 7230 int ret = -1;
26af9dca 7231 int i;
86957e62 7232 int was_ap = is_ap_interface(drv->nlmode);
671a5039 7233 int res;
1581b38b 7234
671a5039
JM		 7235 res = nl80211_set_mode(drv, drv->ifindex, nlmode);
7236 if (res == 0) {
ad1e68e6 7237 drv->nlmode = nlmode;
460456f8
JM		 7238 ret = 0;
7239 goto done;
ad1e68e6 7240 }
3f5285e8 7241
671a5039
JM		 7242 if (res == -ENODEV)
7243 return -1;
7244
460456f8 7245 if (nlmode == drv->nlmode) {
c6e8e8e4
JM		 7246 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
7247 "requested mode - ignore error");
460456f8
JM		 7248 ret = 0;
7249 goto done; /* Already in the requested mode */
7250 }
3f5285e8 7251
3f5285e8
JM		 7252 /* mac80211 doesn't allow mode changes while the device is up, so
7253 * take the device down, try to set the mode again, and bring the
7254 * device back up.
7255 */
26af9dca
JM		 7256 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
7257 "interface down");
7258 for (i = 0; i < 10; i++) {
c81eff1a
BG		 7259 res = linux_set_iface_flags(drv->global->ioctl_sock,
7260 bss->ifname, 0);
6e8183d7
JM		 7261 if (res == -EACCES || res == -ENODEV)
7262 break;
7263 if (res == 0) {
26af9dca
JM		 7264 /* Try to set the mode again while the interface is
7265 * down */
7266 ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
6e8183d7
JM		 7267 if (ret == -EACCES)
7268 break;
c81eff1a 7269 res = linux_set_iface_flags(drv->global->ioctl_sock,
6e8183d7
JM		 7270 bss->ifname, 1);
7271 if (res && !ret)
26af9dca 7272 ret = -1;
6e8183d7 7273 else if (ret != -EBUSY)
26af9dca
JM		 7274 break;
7275 } else
7276 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
7277 "interface down");
7278 os_sleep(0, 100000);
3f5285e8
JM		 7279 }
7280
c6e8e8e4
JM		 7281 if (!ret) {
7282 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
7283 "interface is down");
ad1e68e6 7284 drv->nlmode = nlmode;
7d9c3698 7285 drv->ignore_if_down_event = 1;
c6e8e8e4 7286 }
ad1e68e6 7287
460456f8 7288done:
3fd1cefb
JB		 7289 if (ret) {
7290 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
7291 "from %d failed", nlmode, drv->nlmode);
7292 return ret;
7293 }
7294
edb9bfba
RM		 7295 if (is_p2p_interface(nlmode))
7296 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
1d0c6fb1
JM		 7297 else if (drv->disabled_11b_rates)
7298 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
edb9bfba 7299
3fd1cefb 7300 if (is_ap_interface(nlmode)) {
36488c05 7301 nl80211_mgmt_unsubscribe(bss, "start AP");
460456f8 7302 /* Setup additional AP mode functionality if needed */
3fd1cefb 7303 if (nl80211_setup_ap(bss))
460456f8 7304 return -1;
3fd1cefb 7305 } else if (was_ap) {
460456f8 7306 /* Remove additional AP mode functionality */
3fd1cefb 7307 nl80211_teardown_ap(bss);
a11241fa 7308 } else {
36488c05 7309 nl80211_mgmt_unsubscribe(bss, "mode change");
460456f8 7310 }
460456f8 7311
873d0fcf 7312 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
a11241fa
JB		 7313 nl80211_mgmt_subscribe_non_ap(bss) < 0)
7314 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
7315 "frame processing - ignore for now");
08359050 7316
3fd1cefb 7317 return 0;
3f5285e8
JM		 7318}
7319
7320
3f5285e8
JM		 7321static int wpa_driver_nl80211_get_capa(void *priv,
7322 struct wpa_driver_capa *capa)
7323{
a2e40bb6
FF		 7324 struct i802_bss *bss = priv;
7325 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8
JM		 7326 if (!drv->has_capability)
7327 return -1;
7328 os_memcpy(capa, &drv->capa, sizeof(*capa));
7329 return 0;
7330}
7331
7332
7333static int wpa_driver_nl80211_set_operstate(void *priv, int state)
7334{
a2e40bb6
FF		 7335 struct i802_bss *bss = priv;
7336 struct wpa_driver_nl80211_data *drv = bss->drv;
3f5285e8
JM		 7337
7338 wpa_printf(MSG_DEBUG, "%s: operstate %d->%d (%s)",
7339 __func__, drv->operstate, state, state ? "UP" : "DORMANT");
7340 drv->operstate = state;
36d84860 7341 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
e2d02c29 7342 state ? IF_OPER_UP : IF_OPER_DORMANT);
3f5285e8
JM		 7343}
7344
01652550
JM		 7345
7346static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
7347{
a2e40bb6
FF		 7348 struct i802_bss *bss = priv;
7349 struct wpa_driver_nl80211_data *drv = bss->drv;
01652550
JM		 7350 struct nl_msg *msg;
7351 struct nl80211_sta_flag_update upd;
7352
7353 msg = nlmsg_alloc();
7354 if (!msg)
7355 return -ENOMEM;
7356
9fb04070 7357 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
01652550
JM		 7358
7359 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 7360 if_nametoindex(bss->ifname));
01652550
JM		 7361 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
7362
7363 os_memset(&upd, 0, sizeof(upd));
7364 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
7365 if (authorized)
7366 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
7367 NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
7368
7369 return send_and_recv_msgs(drv, msg, NULL, NULL);
7370 nla_put_failure:
5883168a 7371 nlmsg_free(msg);
01652550
JM		 7372 return -ENOBUFS;
7373}
7374
3f5285e8 7375
f07ead6a
JM		 7376/* Set kernel driver on given frequency (MHz) */
7377static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
c5121837 7378{
f07ead6a 7379 struct i802_bss *bss = priv;
89b800d7 7380 return wpa_driver_nl80211_set_freq(bss, freq);
c5121837
JM		 7381}
7382
f7b3920c
JM		 7383
7384#if defined(HOSTAPD) || defined(CONFIG_AP)
c5121837 7385
c5121837
JM		 7386static inline int min_int(int a, int b)
7387{
7388 if (a < b)
7389 return a;
7390 return b;
7391}
7392
7393
7394static int get_key_handler(struct nl_msg *msg, void *arg)
7395{
7396 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7397 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7398
7399 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7400 genlmsg_attrlen(gnlh, 0), NULL);
7401
7402 /*
7403 * TODO: validate the key index and mac address!
7404 * Otherwise, there's a race condition as soon as
7405 * the kernel starts sending key notifications.
7406 */
7407
7408 if (tb[NL80211_ATTR_KEY_SEQ])
7409 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
7410 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
7411 return NL_SKIP;
7412}
7413
7414
7415static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
7416 int idx, u8 *seq)
7417{
a2e40bb6
FF		 7418 struct i802_bss *bss = priv;
7419 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 7420 struct nl_msg *msg;
7421
7422 msg = nlmsg_alloc();
7423 if (!msg)
7424 return -ENOMEM;
7425
9fb04070 7426 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_KEY);
c5121837
JM		 7427
7428 if (addr)
7429 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
7430 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
7431 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
7432
7433 memset(seq, 0, 6);
7434
7435 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
7436 nla_put_failure:
9e088e74 7437 nlmsg_free(msg);
c5121837
JM		 7438 return -ENOBUFS;
7439}
7440
7441
c5121837
JM		 7442static int i802_set_rts(void *priv, int rts)
7443{
a2e40bb6
FF		 7444 struct i802_bss *bss = priv;
7445 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 7446 struct nl_msg *msg;
7447 int ret = -ENOBUFS;
7448 u32 val;
c5121837 7449
ad649451
JM		 7450 msg = nlmsg_alloc();
7451 if (!msg)
7452 return -ENOMEM;
c5121837 7453
ad649451
JM		 7454 if (rts >= 2347)
7455 val = (u32) -1;
7456 else
7457 val = rts;
c5121837 7458
9fb04070 7459 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 7460 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7461 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val);
7462
7463 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 7464 msg = NULL;
ad649451
JM		 7465 if (!ret)
7466 return 0;
7467nla_put_failure:
5883168a 7468 nlmsg_free(msg);
ad649451
JM		 7469 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
7470 "%d (%s)", rts, ret, strerror(-ret));
7471 return ret;
c5121837
JM		 7472}
7473
7474
7475static int i802_set_frag(void *priv, int frag)
7476{
a2e40bb6
FF		 7477 struct i802_bss *bss = priv;
7478 struct wpa_driver_nl80211_data *drv = bss->drv;
ad649451
JM		 7479 struct nl_msg *msg;
7480 int ret = -ENOBUFS;
7481 u32 val;
c5121837 7482
ad649451
JM		 7483 msg = nlmsg_alloc();
7484 if (!msg)
7485 return -ENOMEM;
c5121837 7486
ad649451
JM		 7487 if (frag >= 2346)
7488 val = (u32) -1;
7489 else
7490 val = frag;
c5121837 7491
9fb04070 7492 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
ad649451
JM		 7493 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
7494 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val);
7495
7496 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 7497 msg = NULL;
ad649451
JM		 7498 if (!ret)
7499 return 0;
7500nla_put_failure:
5883168a 7501 nlmsg_free(msg);
ad649451
JM		 7502 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
7503 "%d: %d (%s)", frag, ret, strerror(-ret));
7504 return ret;
c5121837
JM		 7505}
7506
7507
c5121837
JM		 7508static int i802_flush(void *priv)
7509{
a2e40bb6
FF		 7510 struct i802_bss *bss = priv;
7511 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 7512 struct nl_msg *msg;
82554b10 7513 int res;
c5121837
JM		 7514
7515 msg = nlmsg_alloc();
7516 if (!msg)
7517 return -1;
7518
9fb04070 7519 nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION);
c5121837
JM		 7520
7521 /*
7522 * XXX: FIX! this needs to flush all VLANs too
7523 */
7524 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 7525 if_nametoindex(bss->ifname));
c5121837 7526
82554b10
JM		 7527 res = send_and_recv_msgs(drv, msg, NULL, NULL);
7528 if (res) {
7529 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
7530 "(%s)", res, strerror(-res));
7531 }
7532 return res;
c5121837 7533 nla_put_failure:
9e088e74 7534 nlmsg_free(msg);
c5121837
JM		 7535 return -ENOBUFS;
7536}
7537
d732463c
JM		 7538#endif /* HOSTAPD || CONFIG_AP */
7539
c5121837
JM		 7540
7541static int get_sta_handler(struct nl_msg *msg, void *arg)
7542{
7543 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7544 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7545 struct hostap_sta_driver_data *data = arg;
7546 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
7547 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
7548 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
7549 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
7550 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
7551 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
7552 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
dc7785f8 7553 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
c5121837
JM		 7554 };
7555
7556 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7557 genlmsg_attrlen(gnlh, 0), NULL);
7558
7559 /*
7560 * TODO: validate the interface and mac address!
7561 * Otherwise, there's a race condition as soon as
7562 * the kernel starts sending station notifications.
7563 */
7564
7565 if (!tb[NL80211_ATTR_STA_INFO]) {
7566 wpa_printf(MSG_DEBUG, "sta stats missing!");
7567 return NL_SKIP;
7568 }
7569 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
7570 tb[NL80211_ATTR_STA_INFO],
7571 stats_policy)) {
7572 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
7573 return NL_SKIP;
7574 }
7575
7576 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
7577 data->inactive_msec =
7578 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
7579 if (stats[NL80211_STA_INFO_RX_BYTES])
7580 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
7581 if (stats[NL80211_STA_INFO_TX_BYTES])
7582 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
7583 if (stats[NL80211_STA_INFO_RX_PACKETS])
7584 data->rx_packets =
7585 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
7586 if (stats[NL80211_STA_INFO_TX_PACKETS])
7587 data->tx_packets =
7588 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
dc7785f8
YZ		 7589 if (stats[NL80211_STA_INFO_TX_FAILED])
7590 data->tx_retry_failed =
7591 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
c5121837
JM		 7592
7593 return NL_SKIP;
7594}
7595
9ebce9c5
JM		 7596static int i802_read_sta_data(struct i802_bss *bss,
7597 struct hostap_sta_driver_data *data,
c5121837
JM		 7598 const u8 *addr)
7599{
a2e40bb6 7600 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 7601 struct nl_msg *msg;
7602
7603 os_memset(data, 0, sizeof(*data));
7604 msg = nlmsg_alloc();
7605 if (!msg)
7606 return -ENOMEM;
7607
9fb04070 7608 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION);
c5121837
JM		 7609
7610 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
a2e40bb6 7611 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 7612
7613 return send_and_recv_msgs(drv, msg, get_sta_handler, data);
7614 nla_put_failure:
9e088e74 7615 nlmsg_free(msg);
c5121837
JM		 7616 return -ENOBUFS;
7617}
7618
7619
d732463c
JM		 7620#if defined(HOSTAPD) || defined(CONFIG_AP)
7621
c5121837
JM		 7622static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
7623 int cw_min, int cw_max, int burst_time)
7624{
a2e40bb6
FF		 7625 struct i802_bss *bss = priv;
7626 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 7627 struct nl_msg *msg;
7628 struct nlattr *txq, *params;
7629
7630 msg = nlmsg_alloc();
7631 if (!msg)
7632 return -1;
7633
9fb04070 7634 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY);
c5121837 7635
a2e40bb6 7636 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
c5121837
JM		 7637
7638 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
7639 if (!txq)
7640 goto nla_put_failure;
7641
7642 /* We are only sending parameters for a single TXQ at a time */
7643 params = nla_nest_start(msg, 1);
7644 if (!params)
7645 goto nla_put_failure;
7646
7e3c1781
JM		 7647 switch (queue) {
7648 case 0:
7649 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO);
7650 break;
7651 case 1:
7652 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI);
7653 break;
7654 case 2:
7655 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE);
7656 break;
7657 case 3:
7658 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK);
7659 break;
7660 }
c5121837
JM		 7661 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
7662 * 32 usec, so need to convert the value here. */
7663 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
7664 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min);
7665 NLA_PUT_U16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max);
7666 NLA_PUT_U8(msg, NL80211_TXQ_ATTR_AIFS, aifs);
7667
7668 nla_nest_end(msg, params);
7669
7670 nla_nest_end(msg, txq);
7671
7672 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
7673 return 0;
9e088e74 7674 msg = NULL;
c5121837 7675 nla_put_failure:
9e088e74 7676 nlmsg_free(msg);
c5121837
JM		 7677 return -1;
7678}
7679
7680
9ebce9c5 7681static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
c5121837
JM		 7682 const char *ifname, int vlan_id)
7683{
a2e40bb6 7684 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837 7685 struct nl_msg *msg;
cd1d72c1 7686 int ret = -ENOBUFS;
c5121837
JM		 7687
7688 msg = nlmsg_alloc();
7689 if (!msg)
7690 return -ENOMEM;
7691
9fb04070 7692 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION);
c5121837
JM		 7693
7694 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
a2e40bb6 7695 if_nametoindex(bss->ifname));
c5121837 7696 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
1c766b09 7697 NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
c5121837
JM		 7698 if_nametoindex(ifname));
7699
cd1d72c1 7700 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
9e088e74 7701 msg = NULL;
cd1d72c1
JM		 7702 if (ret < 0) {
7703 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
7704 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
7705 MAC2STR(addr), ifname, vlan_id, ret,
7706 strerror(-ret));
7707 }
c5121837 7708 nla_put_failure:
9e088e74 7709 nlmsg_free(msg);
cd1d72c1 7710 return ret;
c5121837
JM		 7711}
7712
fbbfcbac 7713
c5121837
JM		 7714static int i802_get_inact_sec(void *priv, const u8 *addr)
7715{
7716 struct hostap_sta_driver_data data;
7717 int ret;
7718
7719 data.inactive_msec = (unsigned long) -1;
7720 ret = i802_read_sta_data(priv, &data, addr);
7721 if (ret || data.inactive_msec == (unsigned long) -1)
7722 return -1;
7723 return data.inactive_msec / 1000;
7724}
7725
7726
7727static int i802_sta_clear_stats(void *priv, const u8 *addr)
7728{
7729#if 0
7730 /* TODO */
7731#endif
7732 return 0;
7733}
7734
7735
731723a5
JM		 7736static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
7737 int reason)
c5121837 7738{
a2e40bb6 7739 struct i802_bss *bss = priv;
e1bd4e19 7740 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 7741 struct ieee80211_mgmt mgmt;
7742
e1bd4e19
AT		 7743 if (drv->device_ap_sme)
7744 return wpa_driver_nl80211_sta_remove(bss, addr);
7745
c5121837
JM		 7746 memset(&mgmt, 0, sizeof(mgmt));
7747 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
7748 WLAN_FC_STYPE_DEAUTH);
7749 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 7750 memcpy(mgmt.sa, own_addr, ETH_ALEN);
7751 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 7752 mgmt.u.deauth.reason_code = host_to_le16(reason);
a2e40bb6 7753 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 7754 IEEE80211_HDRLEN +
9ebce9c5
JM		 7755 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
7756 0);
c5121837
JM		 7757}
7758
7759
731723a5
JM		 7760static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
7761 int reason)
c5121837 7762{
a2e40bb6 7763 struct i802_bss *bss = priv;
e1bd4e19 7764 struct wpa_driver_nl80211_data *drv = bss->drv;
c5121837
JM		 7765 struct ieee80211_mgmt mgmt;
7766
e1bd4e19
AT		 7767 if (drv->device_ap_sme)
7768 return wpa_driver_nl80211_sta_remove(bss, addr);
7769
c5121837
JM		 7770 memset(&mgmt, 0, sizeof(mgmt));
7771 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
7772 WLAN_FC_STYPE_DISASSOC);
7773 memcpy(mgmt.da, addr, ETH_ALEN);
731723a5
JM		 7774 memcpy(mgmt.sa, own_addr, ETH_ALEN);
7775 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
c5121837 7776 mgmt.u.disassoc.reason_code = host_to_le16(reason);
a2e40bb6 7777 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
9f324b61 7778 IEEE80211_HDRLEN +
9ebce9c5
JM		 7779 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
7780 0);
c5121837
JM		 7781}
7782
ee7ab173
JB		 7783#endif /* HOSTAPD || CONFIG_AP */
7784
7785#ifdef HOSTAPD
c5121837 7786
f07ead6a
JM		 7787static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
7788{
7789 int i;
7790 int *old;
7791
7792 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
7793 ifidx);
7794 for (i = 0; i < drv->num_if_indices; i++) {
7795 if (drv->if_indices[i] == 0) {
7796 drv->if_indices[i] = ifidx;
7797 return;
7798 }
7799 }
7800
7801 if (drv->if_indices != drv->default_if_indices)
7802 old = drv->if_indices;
7803 else
7804 old = NULL;
7805
067ffa26
JM		 7806 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
7807 sizeof(int));
f07ead6a
JM		 7808 if (!drv->if_indices) {
7809 if (!old)
7810 drv->if_indices = drv->default_if_indices;
7811 else
7812 drv->if_indices = old;
7813 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
7814 "interfaces");
7815 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
7816 return;
7817 } else if (!old)
7818 os_memcpy(drv->if_indices, drv->default_if_indices,
7819 sizeof(drv->default_if_indices));
7820 drv->if_indices[drv->num_if_indices] = ifidx;
7821 drv->num_if_indices++;
7822}
7823
7824
7825static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
7826{
7827 int i;
7828
7829 for (i = 0; i < drv->num_if_indices; i++) {
7830 if (drv->if_indices[i] == ifidx) {
7831 drv->if_indices[i] = 0;
7832 break;
7833 }
7834 }
7835}
7836
7837
7838static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
7839{
7840 int i;
7841
7842 for (i = 0; i < drv->num_if_indices; i++)
7843 if (drv->if_indices[i] == ifidx)
7844 return 1;
7845
7846 return 0;
7847}
7848
7849
7850static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
7851 const char *bridge_ifname)
7852{
7853 struct i802_bss *bss = priv;
7854 struct wpa_driver_nl80211_data *drv = bss->drv;
7855 char name[IFNAMSIZ + 1];
7856
7857 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
7858 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
7859 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
7860 if (val) {
7861 if (!if_nametoindex(name)) {
7862 if (nl80211_create_iface(drv, name,
7863 NL80211_IFTYPE_AP_VLAN,
7864 NULL, 1) < 0)
7865 return -1;
7866 if (bridge_ifname &&
c81eff1a
BG		 7867 linux_br_add_if(drv->global->ioctl_sock,
7868 bridge_ifname, name) < 0)
f07ead6a
JM		 7869 return -1;
7870 }
75227f3a
JM		 7871 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
7872 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
7873 "interface %s up", name);
7874 }
f07ead6a
JM		 7875 return i802_set_sta_vlan(priv, addr, name, 0);
7876 } else {
c34e618d
FF		 7877 if (bridge_ifname)
7878 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
7879 name);
7880
f07ead6a
JM		 7881 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
7882 return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN,
7883 name);
7884 }
7885}
7886
7887
7888static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
7889{
7890 struct wpa_driver_nl80211_data *drv = eloop_ctx;
7891 struct sockaddr_ll lladdr;
7892 unsigned char buf[3000];
7893 int len;
7894 socklen_t fromlen = sizeof(lladdr);
7895
7896 len = recvfrom(sock, buf, sizeof(buf), 0,
7897 (struct sockaddr *)&lladdr, &fromlen);
7898 if (len < 0) {
7899 perror("recv");
7900 return;
7901 }
7902
7903 if (have_ifidx(drv, lladdr.sll_ifindex))
7904 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
7905}
7906
7907
94627f6c 7908static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
e17a2477 7909 struct i802_bss *bss,
94627f6c
JM		 7910 const char *brname, const char *ifname)
7911{
7912 int ifindex;
7913 char in_br[IFNAMSIZ];
7914
e17a2477 7915 os_strlcpy(bss->brname, brname, IFNAMSIZ);
94627f6c
JM		 7916 ifindex = if_nametoindex(brname);
7917 if (ifindex == 0) {
7918 /*
7919 * Bridge was configured, but the bridge device does
7920 * not exist. Try to add it now.
7921 */
c81eff1a 7922 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
94627f6c
JM		 7923 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
7924 "bridge interface %s: %s",
7925 brname, strerror(errno));
7926 return -1;
7927 }
e17a2477 7928 bss->added_bridge = 1;
94627f6c
JM		 7929 add_ifidx(drv, if_nametoindex(brname));
7930 }
7931
7932 if (linux_br_get(in_br, ifname) == 0) {
7933 if (os_strcmp(in_br, brname) == 0)
7934 return 0; /* already in the bridge */
7935
7936 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
7937 "bridge %s", ifname, in_br);
c81eff1a
BG		 7938 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
7939 0) {
94627f6c
JM		 7940 wpa_printf(MSG_ERROR, "nl80211: Failed to "
7941 "remove interface %s from bridge "
7942 "%s: %s",
7943 ifname, brname, strerror(errno));
7944 return -1;
7945 }
7946 }
7947
7948 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
7949 ifname, brname);
c81eff1a 7950 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
94627f6c
JM		 7951 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
7952 "into bridge %s: %s",
7953 ifname, brname, strerror(errno));
7954 return -1;
7955 }
e17a2477 7956 bss->added_if_into_bridge = 1;
94627f6c
JM		 7957
7958 return 0;
7959}
7960
7961
92f475b4
JM		 7962static void *i802_init(struct hostapd_data *hapd,
7963 struct wpa_init_params *params)
c5121837
JM		 7964{
7965 struct wpa_driver_nl80211_data *drv;
a2e40bb6 7966 struct i802_bss *bss;
c5121837 7967 size_t i;
94627f6c
JM		 7968 char brname[IFNAMSIZ];
7969 int ifindex, br_ifindex;
7970 int br_added = 0;
c5121837 7971
4b24282a
JM		 7972 bss = wpa_driver_nl80211_init(hapd, params->ifname,
7973 params->global_priv);
a2e40bb6 7974 if (bss == NULL)
c5121837 7975 return NULL;
c5121837 7976
a2e40bb6 7977 drv = bss->drv;
0382097e 7978 drv->nlmode = NL80211_IFTYPE_AP;
7635bfb0
JB		 7979 drv->eapol_sock = -1;
7980
94627f6c
JM		 7981 if (linux_br_get(brname, params->ifname) == 0) {
7982 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
7983 params->ifname, brname);
7984 br_ifindex = if_nametoindex(brname);
7985 } else {
7986 brname[0] = '\0';
7987 br_ifindex = 0;
7988 }
7989
c5121837
JM		 7990 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
7991 drv->if_indices = drv->default_if_indices;
92f475b4 7992 for (i = 0; i < params->num_bridge; i++) {
94627f6c
JM		 7993 if (params->bridge[i]) {
7994 ifindex = if_nametoindex(params->bridge[i]);
7995 if (ifindex)
7996 add_ifidx(drv, ifindex);
7997 if (ifindex == br_ifindex)
7998 br_added = 1;
7999 }
c5121837 8000 }
94627f6c
JM		 8001 if (!br_added && br_ifindex &&
8002 (params->num_bridge == 0 || !params->bridge[0]))
8003 add_ifidx(drv, br_ifindex);
c5121837 8004
ad1e68e6
JM		 8005 /* start listening for EAPOL on the default AP interface */
8006 add_ifidx(drv, drv->ifindex);
8007
c81eff1a 8008 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0))
6980c191 8009 goto failed;
ad1e68e6 8010
6980c191 8011 if (params->bssid) {
c81eff1a 8012 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2ac9688e 8013 params->bssid))
460456f8
JM		 8014 goto failed;
8015 }
ad1e68e6 8016
b1f625e0 8017 if (wpa_driver_nl80211_set_mode(bss, drv->nlmode)) {
ad1e68e6 8018 wpa_printf(MSG_ERROR, "nl80211: Failed to set interface %s "
a2e40bb6 8019 "into AP mode", bss->ifname);
bbaf0837 8020 goto failed;
ad1e68e6
JM		 8021 }
8022
94627f6c 8023 if (params->num_bridge && params->bridge[0] &&
e17a2477 8024 i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0)
94627f6c
JM		 8025 goto failed;
8026
c81eff1a 8027 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1))
bbaf0837 8028 goto failed;
ad1e68e6
JM		 8029
8030 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
8031 if (drv->eapol_sock < 0) {
8032 perror("socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE)");
bbaf0837 8033 goto failed;
ad1e68e6
JM		 8034 }
8035
8036 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
8037 {
8038 printf("Could not register read socket for eapol\n");
c5121837 8039 goto failed;
ad1e68e6
JM		 8040 }
8041
c81eff1a
BG		 8042 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
8043 params->own_addr))
bbaf0837 8044 goto failed;
c5121837 8045
341eebee
JB		 8046 memcpy(bss->addr, params->own_addr, ETH_ALEN);
8047
a2e40bb6 8048 return bss;
c5121837
JM		 8049
8050failed:
7635bfb0 8051 wpa_driver_nl80211_deinit(bss);
bbaf0837
JM		 8052 return NULL;
8053}
c5121837 8054
c5121837 8055
bbaf0837
JM		 8056static void i802_deinit(void *priv)
8057{
9ebce9c5
JM		 8058 struct i802_bss *bss = priv;
8059 wpa_driver_nl80211_deinit(bss);
c5121837
JM		 8060}
8061
8062#endif /* HOSTAPD */
8063
8064
22a7c9d7
JM		 8065static enum nl80211_iftype wpa_driver_nl80211_if_type(
8066 enum wpa_driver_if_type type)
8067{
8068 switch (type) {
8069 case WPA_IF_STATION:
9f51b113 8070 return NL80211_IFTYPE_STATION;
75bde05d
JM		 8071 case WPA_IF_P2P_CLIENT:
8072 case WPA_IF_P2P_GROUP:
9f51b113 8073 return NL80211_IFTYPE_P2P_CLIENT;
22a7c9d7
JM		 8074 case WPA_IF_AP_VLAN:
8075 return NL80211_IFTYPE_AP_VLAN;
8076 case WPA_IF_AP_BSS:
8077 return NL80211_IFTYPE_AP;
9f51b113
JB		 8078 case WPA_IF_P2P_GO:
8079 return NL80211_IFTYPE_P2P_GO;
22a7c9d7
JM		 8080 }
8081 return -1;
8082}
8083
8084
482856c8
JM		 8085#ifdef CONFIG_P2P
8086
f2ed8023
JM		 8087static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
8088{
8089 struct wpa_driver_nl80211_data *drv;
8090 dl_list_for_each(drv, &global->interfaces,
8091 struct wpa_driver_nl80211_data, list) {
341eebee 8092 if (os_memcmp(addr, drv->first_bss.addr, ETH_ALEN) == 0)
f2ed8023
JM		 8093 return 1;
8094 }
8095 return 0;
8096}
8097
8098
8099static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv,
8100 u8 *new_addr)
8101{
8102 unsigned int idx;
8103
8104 if (!drv->global)
8105 return -1;
8106
341eebee 8107 os_memcpy(new_addr, drv->first_bss.addr, ETH_ALEN);
f2ed8023 8108 for (idx = 0; idx < 64; idx++) {
341eebee 8109 new_addr[0] = drv->first_bss.addr[0] | 0x02;
f2ed8023
JM		 8110 new_addr[0] ^= idx << 2;
8111 if (!nl80211_addr_in_use(drv->global, new_addr))
8112 break;
8113 }
8114 if (idx == 64)
8115 return -1;
8116
8117 wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address "
8118 MACSTR, MAC2STR(new_addr));
8119
8120 return 0;
8121}
8122
482856c8
JM		 8123#endif /* CONFIG_P2P */
8124
f2ed8023 8125
7ab68865 8126static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8043e725 8127 const char *ifname, const u8 *addr,
f3585c8a 8128 void *bss_ctx, void **drv_priv,
e17a2477
JM		 8129 char *force_ifname, u8 *if_addr,
8130 const char *bridge)
22a7c9d7 8131{
a2e40bb6
FF		 8132 struct i802_bss *bss = priv;
8133 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 8134 int ifidx;
8135#ifdef HOSTAPD
a2e40bb6 8136 struct i802_bss *new_bss = NULL;
22a7c9d7
JM		 8137
8138 if (type == WPA_IF_AP_BSS) {
a2e40bb6
FF		 8139 new_bss = os_zalloc(sizeof(*new_bss));
8140 if (new_bss == NULL)
22a7c9d7
JM		 8141 return -1;
8142 }
8143#endif /* HOSTAPD */
8144
f3585c8a
JM		 8145 if (addr)
8146 os_memcpy(if_addr, addr, ETH_ALEN);
22a7c9d7 8147 ifidx = nl80211_create_iface(drv, ifname,
fbbfcbac
FF		 8148 wpa_driver_nl80211_if_type(type), addr,
8149 0);
22a7c9d7
JM		 8150 if (ifidx < 0) {
8151#ifdef HOSTAPD
a2e40bb6 8152 os_free(new_bss);
22a7c9d7
JM		 8153#endif /* HOSTAPD */
8154 return -1;
8155 }
8156
f3585c8a 8157 if (!addr &&
c81eff1a
BG		 8158 linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
8159 if_addr) < 0) {
c55f774d 8160 nl80211_remove_iface(drv, ifidx);
f3585c8a 8161 return -1;
c55f774d
JM		 8162 }
8163
8164#ifdef CONFIG_P2P
8165 if (!addr &&
8166 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8167 type == WPA_IF_P2P_GO)) {
8168 /* Enforce unique P2P Interface Address */
8169 u8 new_addr[ETH_ALEN], own_addr[ETH_ALEN];
8170
c81eff1a
BG		 8171 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
8172 own_addr) < 0 ||
8173 linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
8174 new_addr) < 0) {
c55f774d
JM		 8175 nl80211_remove_iface(drv, ifidx);
8176 return -1;
8177 }
8178 if (os_memcmp(own_addr, new_addr, ETH_ALEN) == 0) {
8179 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8180 "for P2P group interface");
f2ed8023 8181 if (nl80211_p2p_interface_addr(drv, new_addr) < 0) {
c55f774d
JM		 8182 nl80211_remove_iface(drv, ifidx);
8183 return -1;
8184 }
c81eff1a 8185 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
c55f774d
JM		 8186 new_addr) < 0) {
8187 nl80211_remove_iface(drv, ifidx);
8188 return -1;
8189 }
c55f774d 8190 }
f67eeb5c 8191 os_memcpy(if_addr, new_addr, ETH_ALEN);
c55f774d
JM		 8192 }
8193#endif /* CONFIG_P2P */
f3585c8a 8194
22a7c9d7 8195#ifdef HOSTAPD
e17a2477
JM		 8196 if (bridge &&
8197 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
8198 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
8199 "interface %s to a bridge %s", ifname, bridge);
8200 nl80211_remove_iface(drv, ifidx);
8201 os_free(new_bss);
8202 return -1;
8203 }
8204
22a7c9d7 8205 if (type == WPA_IF_AP_BSS) {
c81eff1a
BG		 8206 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
8207 {
34f2f814 8208 nl80211_remove_iface(drv, ifidx);
07179987 8209 os_free(new_bss);
22a7c9d7
JM		 8210 return -1;
8211 }
a2e40bb6 8212 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
341eebee 8213 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
a2e40bb6
FF		 8214 new_bss->ifindex = ifidx;
8215 new_bss->drv = drv;
8216 new_bss->next = drv->first_bss.next;
a7a6af4c 8217 new_bss->freq = drv->first_bss.freq;
a5e1eb20 8218 new_bss->ctx = bss_ctx;
a2e40bb6
FF		 8219 drv->first_bss.next = new_bss;
8220 if (drv_priv)
8221 *drv_priv = new_bss;
cc7a48d1 8222 nl80211_init_bss(new_bss);
3dd1d890
YAP		 8223
8224 /* Subscribe management frames for this WPA_IF_AP_BSS */
8225 if (nl80211_setup_ap(new_bss))
8226 return -1;
22a7c9d7
JM		 8227 }
8228#endif /* HOSTAPD */
8229
ff6a158b
JM		 8230 if (drv->global)
8231 drv->global->if_add_ifindex = ifidx;
8232
22a7c9d7
JM		 8233 return 0;
8234}
8235
8236
9ebce9c5 8237static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
22a7c9d7
JM		 8238 enum wpa_driver_if_type type,
8239 const char *ifname)
8240{
a2e40bb6 8241 struct wpa_driver_nl80211_data *drv = bss->drv;
22a7c9d7
JM		 8242 int ifindex = if_nametoindex(ifname);
8243
e748062b
JM		 8244 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d",
8245 __func__, type, ifname, ifindex);
8246 if (ifindex <= 0)
8247 return -1;
e17a2477 8248
c34e618d
FF		 8249 nl80211_remove_iface(drv, ifindex);
8250
e17a2477 8251#ifdef HOSTAPD
c34e618d
FF		 8252 if (type != WPA_IF_AP_BSS)
8253 return 0;
8254
e17a2477 8255 if (bss->added_if_into_bridge) {
c81eff1a
BG		 8256 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
8257 bss->ifname) < 0)
e17a2477
JM		 8258 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
8259 "interface %s from bridge %s: %s",
8260 bss->ifname, bss->brname, strerror(errno));
8261 }
8262 if (bss->added_bridge) {
c81eff1a 8263 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
e17a2477
JM		 8264 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
8265 "bridge %s: %s",
8266 bss->brname, strerror(errno));
8267 }
a2e40bb6
FF		 8268
8269 if (bss != &drv->first_bss) {
8546ea19 8270 struct i802_bss *tbss;
a2e40bb6 8271
8546ea19
JM		 8272 for (tbss = &drv->first_bss; tbss; tbss = tbss->next) {
8273 if (tbss->next == bss) {
8274 tbss->next = bss->next;
3dd1d890
YAP		 8275 /* Unsubscribe management frames */
8276 nl80211_teardown_ap(bss);
cc7a48d1 8277 nl80211_destroy_bss(bss);
8546ea19
JM		 8278 os_free(bss);
8279 bss = NULL;
8280 break;
8281 }
22a7c9d7 8282 }
8546ea19
JM		 8283 if (bss)
8284 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
8285 "BSS %p in the list", __func__, bss);
22a7c9d7
JM		 8286 }
8287#endif /* HOSTAPD */
8288
8289 return 0;
8290}
8291
8292
55777702
JM		 8293static int cookie_handler(struct nl_msg *msg, void *arg)
8294{
8295 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8296 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8297 u64 *cookie = arg;
8298 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8299 genlmsg_attrlen(gnlh, 0), NULL);
8300 if (tb[NL80211_ATTR_COOKIE])
8301 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
8302 return NL_SKIP;
8303}
8304
8305
88df0ef7 8306static int nl80211_send_frame_cmd(struct i802_bss *bss,
5dfca53f
JB		 8307 unsigned int freq, unsigned int wait,
8308 const u8 *buf, size_t buf_len,
88df0ef7
JB		 8309 u64 *cookie_out, int no_cck, int no_ack,
8310 int offchanok)
9884f9cc 8311{
88df0ef7 8312 struct wpa_driver_nl80211_data *drv = bss->drv;
9884f9cc
JB		 8313 struct nl_msg *msg;
8314 u64 cookie;
8315 int ret = -1;
8316
8317 msg = nlmsg_alloc();
8318 if (!msg)
8319 return -1;
8320
2e3e4566
JM		 8321 wpa_printf(MSG_DEBUG, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
8322 "no_ack=%d offchanok=%d",
8323 freq, wait, no_cck, no_ack, offchanok);
9fb04070 8324 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME);
9884f9cc 8325
88df0ef7 8326 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
9884f9cc 8327 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
9db931ed
JM		 8328 if (wait)
8329 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait);
b9fd8ce8 8330 if (offchanok && (drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
88df0ef7 8331 NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
b106173a
JM		 8332 if (no_cck)
8333 NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE);
ddc53271
JM		 8334 if (no_ack)
8335 NLA_PUT_FLAG(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK);
970fa12e 8336
9884f9cc
JB		 8337 NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
8338
8339 cookie = 0;
8340 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
8341 msg = NULL;
8342 if (ret) {
8343 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
a05225c8
JM		 8344 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
8345 freq, wait);
9884f9cc
JB		 8346 goto nla_put_failure;
8347 }
ddc53271
JM		 8348 wpa_printf(MSG_DEBUG, "nl80211: Frame TX command accepted%s; "
8349 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
8350 (long long unsigned int) cookie);
9884f9cc
JB		 8351
8352 if (cookie_out)
ddc53271 8353 *cookie_out = no_ack ? (u64) -1 : cookie;
9884f9cc
JB		 8354
8355nla_put_failure:
8356 nlmsg_free(msg);
8357 return ret;
8358}
8359
8360
9ebce9c5
JM		 8361static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
8362 unsigned int freq,
190b9062 8363 unsigned int wait_time,
58f6fbe0
JM		 8364 const u8 *dst, const u8 *src,
8365 const u8 *bssid,
b106173a
JM		 8366 const u8 *data, size_t data_len,
8367 int no_cck)
58f6fbe0 8368{
a2e40bb6 8369 struct wpa_driver_nl80211_data *drv = bss->drv;
58f6fbe0 8370 int ret = -1;
58f6fbe0
JM		 8371 u8 *buf;
8372 struct ieee80211_hdr *hdr;
58f6fbe0 8373
5dfca53f 8374 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
55231068
JM		 8375 "freq=%u MHz wait=%d ms no_cck=%d)",
8376 drv->ifindex, freq, wait_time, no_cck);
58f6fbe0
JM		 8377
8378 buf = os_zalloc(24 + data_len);
8379 if (buf == NULL)
8380 return ret;
8381 os_memcpy(buf + 24, data, data_len);
8382 hdr = (struct ieee80211_hdr *) buf;
8383 hdr->frame_control =
8384 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
8385 os_memcpy(hdr->addr1, dst, ETH_ALEN);
8386 os_memcpy(hdr->addr2, src, ETH_ALEN);
8387 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
8388
b1f625e0 8389 if (is_ap_interface(drv->nlmode))
9ebce9c5
JM		 8390 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
8391 0, freq, no_cck, 1,
8392 wait_time);
9884f9cc 8393 else
88df0ef7 8394 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
5dfca53f 8395 24 + data_len,
b106173a 8396 &drv->send_action_cookie,
88df0ef7 8397 no_cck, 0, 1);
58f6fbe0 8398
f8bf1421 8399 os_free(buf);
58f6fbe0
JM		 8400 return ret;
8401}
8402
8403
5dfca53f
JB		 8404static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
8405{
8406 struct i802_bss *bss = priv;
8407 struct wpa_driver_nl80211_data *drv = bss->drv;
8408 struct nl_msg *msg;
8409 int ret;
8410
8411 msg = nlmsg_alloc();
8412 if (!msg)
8413 return;
8414
9fb04070 8415 nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME_WAIT_CANCEL);
5dfca53f
JB		 8416
8417 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8418 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie);
8419
8420 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8421 msg = NULL;
8422 if (ret)
8423 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
8424 "(%s)", ret, strerror(-ret));
8425
8426 nla_put_failure:
8427 nlmsg_free(msg);
8428}
8429
8430
55777702
JM		 8431static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
8432 unsigned int duration)
8433{
a2e40bb6
FF		 8434 struct i802_bss *bss = priv;
8435 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 8436 struct nl_msg *msg;
8437 int ret;
8438 u64 cookie;
8439
8440 msg = nlmsg_alloc();
8441 if (!msg)
8442 return -1;
8443
9fb04070 8444 nl80211_cmd(drv, msg, 0, NL80211_CMD_REMAIN_ON_CHANNEL);
55777702
JM		 8445
8446 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8447 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
8448 NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
8449
8450 cookie = 0;
8451 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
5883168a 8452 msg = NULL;
55777702
JM		 8453 if (ret == 0) {
8454 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
8455 "0x%llx for freq=%u MHz duration=%u",
8456 (long long unsigned int) cookie, freq, duration);
8457 drv->remain_on_chan_cookie = cookie;
531f0331 8458 drv->pending_remain_on_chan = 1;
55777702
JM		 8459 return 0;
8460 }
8461 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
15ed5535
JM		 8462 "(freq=%d duration=%u): %d (%s)",
8463 freq, duration, ret, strerror(-ret));
55777702 8464nla_put_failure:
5883168a 8465 nlmsg_free(msg);
55777702
JM		 8466 return -1;
8467}
8468
8469
8470static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
8471{
a2e40bb6
FF		 8472 struct i802_bss *bss = priv;
8473 struct wpa_driver_nl80211_data *drv = bss->drv;
55777702
JM		 8474 struct nl_msg *msg;
8475 int ret;
8476
8477 if (!drv->pending_remain_on_chan) {
8478 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
8479 "to cancel");
8480 return -1;
8481 }
8482
8483 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
8484 "0x%llx",
8485 (long long unsigned int) drv->remain_on_chan_cookie);
8486
8487 msg = nlmsg_alloc();
8488 if (!msg)
8489 return -1;
8490
9fb04070 8491 nl80211_cmd(drv, msg, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
55777702
JM		 8492
8493 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
8494 NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie);
8495
8496 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5883168a 8497 msg = NULL;
55777702
JM		 8498 if (ret == 0)
8499 return 0;
8500 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
8501 "%d (%s)", ret, strerror(-ret));
8502nla_put_failure:
5883168a 8503 nlmsg_free(msg);
55777702
JM		 8504 return -1;
8505}
8506
8507
9ebce9c5 8508static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
504e905c 8509{
a2e40bb6 8510 struct wpa_driver_nl80211_data *drv = bss->drv;
504e905c 8511
5582a5d1 8512 if (!report) {
0d891981
JM		 8513 if (bss->nl_preq && drv->device_ap_sme &&
8514 is_ap_interface(drv->nlmode)) {
8515 /*
8516 * Do not disable Probe Request reporting that was
8517 * enabled in nl80211_setup_ap().
8518 */
8519 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
8520 "Probe Request reporting nl_preq=%p while "
8521 "in AP mode", bss->nl_preq);
8522 } else if (bss->nl_preq) {
36488c05
JM		 8523 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
8524 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 8525 eloop_unregister_read_sock(
481234cf 8526 nl_socket_get_fd(bss->nl_preq));
221a59c9 8527 nl_destroy_handles(&bss->nl_preq);
5582a5d1
JB		 8528 }
8529 return 0;
8530 }
8531
481234cf 8532 if (bss->nl_preq) {
5582a5d1 8533 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
36488c05 8534 "already on! nl_preq=%p", bss->nl_preq);
5582a5d1
JB		 8535 return 0;
8536 }
8537
481234cf
JM		 8538 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
8539 if (bss->nl_preq == NULL)
5582a5d1 8540 return -1;
36488c05
JM		 8541 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
8542 "reporting nl_preq=%p", bss->nl_preq);
5582a5d1 8543
481234cf 8544 if (nl80211_register_frame(bss, bss->nl_preq,
5582a5d1
JB		 8545 (WLAN_FC_TYPE_MGMT << 2) |
8546 (WLAN_FC_STYPE_PROBE_REQ << 4),
a92dfde8
JB		 8547 NULL, 0) < 0)
8548 goto out_err;
5582a5d1 8549
481234cf 8550 eloop_register_read_sock(nl_socket_get_fd(bss->nl_preq),
a11241fa 8551 wpa_driver_nl80211_event_receive, bss->nl_cb,
481234cf 8552 bss->nl_preq);
5582a5d1 8553
504e905c 8554 return 0;
5582a5d1 8555
a92dfde8 8556 out_err:
221a59c9 8557 nl_destroy_handles(&bss->nl_preq);
5582a5d1 8558 return -1;
504e905c
JM		 8559}
8560
8561
4e5cb1a3
JM		 8562static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
8563 int ifindex, int disabled)
8564{
8565 struct nl_msg *msg;
8566 struct nlattr *bands, *band;
8567 int ret;
8568
8569 msg = nlmsg_alloc();
8570 if (!msg)
8571 return -1;
8572
9fb04070 8573 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_TX_BITRATE_MASK);
4e5cb1a3
JM		 8574 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
8575
8576 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
8577 if (!bands)
8578 goto nla_put_failure;
8579
8580 /*
8581 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
8582 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
8583 * rates. All 5 GHz rates are left enabled.
8584 */
8585 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
8586 if (!band)
8587 goto nla_put_failure;
1dea5882
JM		 8588 if (disabled) {
8589 NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8,
8590 "\x0c\x12\x18\x24\x30\x48\x60\x6c");
8591 }
4e5cb1a3
JM		 8592 nla_nest_end(msg, band);
8593
8594 nla_nest_end(msg, bands);
8595
8596 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8597 msg = NULL;
8598 if (ret) {
8599 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
8600 "(%s)", ret, strerror(-ret));
1d0c6fb1
JM		 8601 } else
8602 drv->disabled_11b_rates = disabled;
4e5cb1a3
JM		 8603
8604 return ret;
8605
8606nla_put_failure:
8607 nlmsg_free(msg);
8608 return -1;
8609}
8610
8611
af473088
JM		 8612static int wpa_driver_nl80211_deinit_ap(void *priv)
8613{
a2e40bb6
FF		 8614 struct i802_bss *bss = priv;
8615 struct wpa_driver_nl80211_data *drv = bss->drv;
b1f625e0 8616 if (!is_ap_interface(drv->nlmode))
af473088
JM		 8617 return -1;
8618 wpa_driver_nl80211_del_beacon(drv);
b1f625e0 8619 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
af473088
JM		 8620}
8621
8622
3c29244e
EP		 8623static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
8624{
8625 struct i802_bss *bss = priv;
8626 struct wpa_driver_nl80211_data *drv = bss->drv;
8627 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
8628 return -1;
8629 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
8630}
8631
8632
207ef3fb
JM		 8633static void wpa_driver_nl80211_resume(void *priv)
8634{
a2e40bb6
FF		 8635 struct i802_bss *bss = priv;
8636 struct wpa_driver_nl80211_data *drv = bss->drv;
c81eff1a 8637 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) {
207ef3fb
JM		 8638 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on "
8639 "resume event");
8640 }
8641}
8642
8643
7b90c16a
JM		 8644static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap,
8645 const u8 *ies, size_t ies_len)
8646{
8647 struct i802_bss *bss = priv;
8648 struct wpa_driver_nl80211_data *drv = bss->drv;
8649 int ret;
8650 u8 *data, *pos;
8651 size_t data_len;
341eebee 8652 const u8 *own_addr = bss->addr;
7b90c16a
JM		 8653
8654 if (action != 1) {
8655 wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action "
8656 "action %d", action);
8657 return -1;
8658 }
8659
8660 /*
8661 * Action frame payload:
8662 * Category[1] = 6 (Fast BSS Transition)
8663 * Action[1] = 1 (Fast BSS Transition Request)
8664 * STA Address
8665 * Target AP Address
8666 * FT IEs
8667 */
8668
73fc617d
JM		 8669 data_len = 2 + 2 * ETH_ALEN + ies_len;
8670 data = os_malloc(data_len);
7b90c16a
JM		 8671 if (data == NULL)
8672 return -1;
8673 pos = data;
8674 *pos++ = 0x06; /* FT Action category */
8675 *pos++ = action;
8676 os_memcpy(pos, own_addr, ETH_ALEN);
8677 pos += ETH_ALEN;
8678 os_memcpy(pos, target_ap, ETH_ALEN);
8679 pos += ETH_ALEN;
8680 os_memcpy(pos, ies, ies_len);
8681
190b9062
JB		 8682 ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0,
8683 drv->bssid, own_addr, drv->bssid,
b106173a 8684 data, data_len, 0);
7b90c16a
JM		 8685 os_free(data);
8686
8687 return ret;
8688}
8689
8690
b625473c
JM		 8691static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
8692{
8693 struct i802_bss *bss = priv;
8694 struct wpa_driver_nl80211_data *drv = bss->drv;
8695 struct nl_msg *msg, *cqm = NULL;
f0494d0f 8696 int ret = -1;
b625473c
JM		 8697
8698 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
8699 "hysteresis=%d", threshold, hysteresis);
8700
8701 msg = nlmsg_alloc();
8702 if (!msg)
8703 return -1;
8704
9fb04070 8705 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM);
b625473c
JM		 8706
8707 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
8708
8709 cqm = nlmsg_alloc();
8710 if (cqm == NULL)
21270bb4 8711 goto nla_put_failure;
b625473c
JM		 8712
8713 NLA_PUT_U32(cqm, NL80211_ATTR_CQM_RSSI_THOLD, threshold);
8714 NLA_PUT_U32(cqm, NL80211_ATTR_CQM_RSSI_HYST, hysteresis);
f0494d0f
JM		 8715 if (nla_put_nested(msg, NL80211_ATTR_CQM, cqm) < 0)
8716 goto nla_put_failure;
21270bb4 8717
f0494d0f 8718 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
b625473c
JM		 8719 msg = NULL;
8720
8721nla_put_failure:
5883168a 8722 nlmsg_free(cqm);
b625473c 8723 nlmsg_free(msg);
f0494d0f 8724 return ret;
b625473c
JM		 8725}
8726
8727
1c5c7273
PS		 8728static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
8729{
8730 struct i802_bss *bss = priv;
8731 struct wpa_driver_nl80211_data *drv = bss->drv;
8732 int res;
8733
8734 os_memset(si, 0, sizeof(*si));
8735 res = nl80211_get_link_signal(drv, si);
8736 if (res != 0)
8737 return res;
8738
8739 return nl80211_get_link_noise(drv, si);
8740}
8741
8742
57ebba59
JJ		 8743static int wpa_driver_nl80211_shared_freq(void *priv)
8744{
8745 struct i802_bss *bss = priv;
8746 struct wpa_driver_nl80211_data *drv = bss->drv;
8747 struct wpa_driver_nl80211_data *driver;
8748 int freq = 0;
8749
8750 /*
8751 * If the same PHY is in connected state with some other interface,
8752 * then retrieve the assoc freq.
8753 */
8754 wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s",
8755 drv->phyname);
8756
8757 dl_list_for_each(driver, &drv->global->interfaces,
8758 struct wpa_driver_nl80211_data, list) {
8759 if (drv == driver ||
8760 os_strcmp(drv->phyname, driver->phyname) != 0 ||
8761 !driver->associated)
8762 continue;
8763
8764 wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s "
8765 MACSTR,
8766 driver->phyname, driver->first_bss.ifname,
341eebee 8767 MAC2STR(driver->first_bss.addr));
d3bd0f05
JJ		 8768 if (is_ap_interface(driver->nlmode))
8769 freq = driver->first_bss.freq;
8770 else
8771 freq = nl80211_get_assoc_freq(driver);
57ebba59
JJ		 8772 wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d",
8773 drv->phyname, freq);
8774 }
8775
8776 if (!freq)
8777 wpa_printf(MSG_DEBUG, "nl80211: No shared interface for "
8778 "PHY (%s) in associated state", drv->phyname);
8779
8780 return freq;
8781}
8782
8783
b91ab76e
JM		 8784static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
8785 int encrypt)
8786{
8787 struct i802_bss *bss = priv;
55231068
JM		 8788 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
8789 0, 0, 0, 0);
b91ab76e
JM		 8790}
8791
8792
c55f774d
JM		 8793static int nl80211_set_param(void *priv, const char *param)
8794{
c55f774d
JM		 8795 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
8796 if (param == NULL)
8797 return 0;
8798
8799#ifdef CONFIG_P2P
8800 if (os_strstr(param, "use_p2p_group_interface=1")) {
482856c8
JM		 8801 struct i802_bss *bss = priv;
8802 struct wpa_driver_nl80211_data *drv = bss->drv;
8803
c55f774d
JM		 8804 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
8805 "interface");
8806 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
8807 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
8808 }
8809#endif /* CONFIG_P2P */
8810
8811 return 0;
8812}
8813
8814
f2ed8023
JM		 8815static void * nl80211_global_init(void)
8816{
8817 struct nl80211_global *global;
36d84860
BG		 8818 struct netlink_config *cfg;
8819
f2ed8023
JM		 8820 global = os_zalloc(sizeof(*global));
8821 if (global == NULL)
8822 return NULL;
c81eff1a 8823 global->ioctl_sock = -1;
f2ed8023 8824 dl_list_init(&global->interfaces);
ff6a158b 8825 global->if_add_ifindex = -1;
36d84860
BG		 8826
8827 cfg = os_zalloc(sizeof(*cfg));
8828 if (cfg == NULL)
8829 goto err;
8830
8831 cfg->ctx = global;
8832 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
8833 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
8834 global->netlink = netlink_init(cfg);
8835 if (global->netlink == NULL) {
8836 os_free(cfg);
8837 goto err;
8838 }
8839
2a7b66f5
BG		 8840 if (wpa_driver_nl80211_init_nl_global(global) < 0)
8841 goto err;
8842
c81eff1a
BG		 8843 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
8844 if (global->ioctl_sock < 0) {
8845 perror("socket(PF_INET,SOCK_DGRAM)");
8846 goto err;
8847 }
8848
f2ed8023 8849 return global;
36d84860
BG		 8850
8851err:
8852 nl80211_global_deinit(global);
8853 return NULL;
f2ed8023
JM		 8854}
8855
8856
8857static void nl80211_global_deinit(void *priv)
8858{
8859 struct nl80211_global *global = priv;
8860 if (global == NULL)
8861 return;
8862 if (!dl_list_empty(&global->interfaces)) {
8863 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
8864 "nl80211_global_deinit",
8865 dl_list_len(&global->interfaces));
8866 }
36d84860
BG		 8867
8868 if (global->netlink)
8869 netlink_deinit(global->netlink);
8870
276e2d67
BG		 8871 nl_destroy_handles(&global->nl);
8872
481234cf 8873 if (global->nl_event) {
d6c9aab8 8874 eloop_unregister_read_sock(
481234cf 8875 nl_socket_get_fd(global->nl_event));
d6c9aab8
JB		 8876 nl_destroy_handles(&global->nl_event);
8877 }
8878
8879 nl_cb_put(global->nl_cb);
2a7b66f5 8880
c81eff1a
BG		 8881 if (global->ioctl_sock >= 0)
8882 close(global->ioctl_sock);
8883
f2ed8023
JM		 8884 os_free(global);
8885}
8886
8887
6859f1cb
BG		 8888static const char * nl80211_get_radio_name(void *priv)
8889{
8890 struct i802_bss *bss = priv;
8891 struct wpa_driver_nl80211_data *drv = bss->drv;
8892 return drv->phyname;
8893}
8894
8895
a6efc65d
JM		 8896static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
8897 const u8 *pmkid)
8898{
8899 struct nl_msg *msg;
8900
8901 msg = nlmsg_alloc();
8902 if (!msg)
8903 return -ENOMEM;
8904
9fb04070 8905 nl80211_cmd(bss->drv, msg, 0, cmd);
a6efc65d
JM		 8906
8907 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
8908 if (pmkid)
8909 NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid);
8910 if (bssid)
8911 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
8912
8913 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
8914 nla_put_failure:
9e088e74 8915 nlmsg_free(msg);
a6efc65d
JM		 8916 return -ENOBUFS;
8917}
8918
8919
8920static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
8921{
8922 struct i802_bss *bss = priv;
8923 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
8924 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
8925}
8926
8927
8928static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
8929{
8930 struct i802_bss *bss = priv;
8931 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
8932 MAC2STR(bssid));
8933 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
8934}
8935
8936
8937static int nl80211_flush_pmkid(void *priv)
8938{
8939 struct i802_bss *bss = priv;
8940 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
8941 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
8942}
8943
8944
b14a210c
JB		 8945static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
8946 const u8 *replay_ctr)
8947{
8948 struct i802_bss *bss = priv;
8949 struct wpa_driver_nl80211_data *drv = bss->drv;
8950 struct nlattr *replay_nested;
8951 struct nl_msg *msg;
8952
8953 msg = nlmsg_alloc();
8954 if (!msg)
8955 return;
8956
9fb04070 8957 nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
b14a210c
JB		 8958
8959 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
8960
8961 replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
8962 if (!replay_nested)
8963 goto nla_put_failure;
8964
8965 NLA_PUT(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek);
8966 NLA_PUT(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck);
8967 NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
8968 replay_ctr);
8969
8970 nla_nest_end(msg, replay_nested);
8971
8972 send_and_recv_msgs(drv, msg, NULL, NULL);
8973 return;
8974 nla_put_failure:
8975 nlmsg_free(msg);
8976}
8977
8978
39718852
JB		 8979static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
8980 const u8 *addr, int qos)
bcf24348 8981{
39718852
JB		 8982 /* send data frame to poll STA and check whether
8983 * this frame is ACKed */
bcf24348
JB		 8984 struct {
8985 struct ieee80211_hdr hdr;
8986 u16 qos_ctl;
8987 } STRUCT_PACKED nulldata;
8988 size_t size;
8989
8990 /* Send data frame to poll STA and check whether this frame is ACKed */
8991
8992 os_memset(&nulldata, 0, sizeof(nulldata));
8993
8994 if (qos) {
8995 nulldata.hdr.frame_control =
8996 IEEE80211_FC(WLAN_FC_TYPE_DATA,
8997 WLAN_FC_STYPE_QOS_NULL);
8998 size = sizeof(nulldata);
8999 } else {
9000 nulldata.hdr.frame_control =
9001 IEEE80211_FC(WLAN_FC_TYPE_DATA,
9002 WLAN_FC_STYPE_NULLFUNC);
9003 size = sizeof(struct ieee80211_hdr);
9004 }
9005
9006 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
9007 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
9008 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
9009 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
9010
9ebce9c5
JM		 9011 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
9012 0, 0) < 0)
bcf24348
JB		 9013 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
9014 "send poll frame");
9015}
9016
39718852
JB		 9017static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
9018 int qos)
9019{
9020 struct i802_bss *bss = priv;
9021 struct wpa_driver_nl80211_data *drv = bss->drv;
9022 struct nl_msg *msg;
9023
9024 if (!drv->poll_command_supported) {
9025 nl80211_send_null_frame(bss, own_addr, addr, qos);
9026 return;
9027 }
9028
9029 msg = nlmsg_alloc();
9030 if (!msg)
9031 return;
9032
9033 nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT);
9034
9035 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
9036 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
9037
9038 send_and_recv_msgs(drv, msg, NULL, NULL);
9039 return;
9040 nla_put_failure:
9041 nlmsg_free(msg);
9042}
9043
bcf24348 9044
29f338af
JM		 9045static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
9046{
9047 struct nl_msg *msg;
9048
9049 msg = nlmsg_alloc();
9050 if (!msg)
9051 return -ENOMEM;
9052
9053 nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE);
9054 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
9055 NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE,
9056 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED);
9057 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
9058nla_put_failure:
9059 nlmsg_free(msg);
9060 return -ENOBUFS;
9061}
9062
9063
9064static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
9065 int ctwindow)
9066{
9067 struct i802_bss *bss = priv;
9068
9069 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
9070 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
9071
9072 if (opp_ps != -1 || ctwindow != -1)
9073 return -1; /* Not yet supported */
9074
9075 if (legacy_ps == -1)
9076 return 0;
9077 if (legacy_ps != 0 && legacy_ps != 1)
9078 return -1; /* Not yet supported */
9079
9080 return nl80211_set_power_save(bss, legacy_ps);
9081}
9082
9083
03ea1786
AN		 9084#ifdef CONFIG_TDLS
9085
9086static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
9087 u8 dialog_token, u16 status_code,
9088 const u8 *buf, size_t len)
9089{
9090 struct i802_bss *bss = priv;
9091 struct wpa_driver_nl80211_data *drv = bss->drv;
9092 struct nl_msg *msg;
9093
9094 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
9095 return -EOPNOTSUPP;
9096
9097 if (!dst)
9098 return -EINVAL;
9099
9100 msg = nlmsg_alloc();
9101 if (!msg)
9102 return -ENOMEM;
9103
9104 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_MGMT);
9105 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
9106 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
9107 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_ACTION, action_code);
9108 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token);
9109 NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status_code);
9110 NLA_PUT(msg, NL80211_ATTR_IE, len, buf);
9111
9112 return send_and_recv_msgs(drv, msg, NULL, NULL);
9113
9114nla_put_failure:
9115 nlmsg_free(msg);
9116 return -ENOBUFS;
9117}
9118
9119
9120static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
9121{
9122 struct i802_bss *bss = priv;
9123 struct wpa_driver_nl80211_data *drv = bss->drv;
9124 struct nl_msg *msg;
9125 enum nl80211_tdls_operation nl80211_oper;
9126
9127 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
9128 return -EOPNOTSUPP;
9129
9130 switch (oper) {
9131 case TDLS_DISCOVERY_REQ:
9132 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
9133 break;
9134 case TDLS_SETUP:
9135 nl80211_oper = NL80211_TDLS_SETUP;
9136 break;
9137 case TDLS_TEARDOWN:
9138 nl80211_oper = NL80211_TDLS_TEARDOWN;
9139 break;
9140 case TDLS_ENABLE_LINK:
9141 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
9142 break;
9143 case TDLS_DISABLE_LINK:
9144 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
9145 break;
9146 case TDLS_ENABLE:
9147 return 0;
9148 case TDLS_DISABLE:
9149 return 0;
9150 default:
9151 return -EINVAL;
9152 }
9153
9154 msg = nlmsg_alloc();
9155 if (!msg)
9156 return -ENOMEM;
9157
9158 nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_OPER);
9159 NLA_PUT_U8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper);
9160 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
9161 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer);
9162
9163 return send_and_recv_msgs(drv, msg, NULL, NULL);
9164
9165nla_put_failure:
9166 nlmsg_free(msg);
9167 return -ENOBUFS;
9168}
9169
9170#endif /* CONFIG TDLS */
9171
9172
216eede8
DS		 9173#ifdef ANDROID
9174
9175typedef struct android_wifi_priv_cmd {
9176 char *buf;
9177 int used_len;
9178 int total_len;
9179} android_wifi_priv_cmd;
9180
9181static int drv_errors = 0;
9182
9183static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv)
9184{
9185 drv_errors++;
9186 if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) {
9187 drv_errors = 0;
9188 wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED");
9189 }
9190}
9191
9192
9193static int android_priv_cmd(struct i802_bss *bss, const char *cmd)
9194{
9195 struct wpa_driver_nl80211_data *drv = bss->drv;
9196 struct ifreq ifr;
9197 android_wifi_priv_cmd priv_cmd;
9198 char buf[MAX_DRV_CMD_SIZE];
9199 int ret;
9200
9201 os_memset(&ifr, 0, sizeof(ifr));
9202 os_memset(&priv_cmd, 0, sizeof(priv_cmd));
9203 os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
9204
9205 os_memset(buf, 0, sizeof(buf));
9206 os_strlcpy(buf, cmd, sizeof(buf));
9207
9208 priv_cmd.buf = buf;
9209 priv_cmd.used_len = sizeof(buf);
9210 priv_cmd.total_len = sizeof(buf);
9211 ifr.ifr_data = &priv_cmd;
9212
9213 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
9214 if (ret < 0) {
9215 wpa_printf(MSG_ERROR, "%s: failed to issue private commands",
9216 __func__);
9217 wpa_driver_send_hang_msg(drv);
9218 return ret;
9219 }
9220
9221 drv_errors = 0;
9222 return 0;
9223}
9224
9225
9226static int android_pno_start(struct i802_bss *bss,
9227 struct wpa_driver_scan_params *params)
9228{
9229 struct wpa_driver_nl80211_data *drv = bss->drv;
9230 struct ifreq ifr;
9231 android_wifi_priv_cmd priv_cmd;
9232 int ret = 0, i = 0, bp;
9233 char buf[WEXT_PNO_MAX_COMMAND_SIZE];
9234
9235 bp = WEXT_PNOSETUP_HEADER_SIZE;
9236 os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp);
9237 buf[bp++] = WEXT_PNO_TLV_PREFIX;
9238 buf[bp++] = WEXT_PNO_TLV_VERSION;
9239 buf[bp++] = WEXT_PNO_TLV_SUBVERSION;
9240 buf[bp++] = WEXT_PNO_TLV_RESERVED;
9241
9242 while (i < WEXT_PNO_AMOUNT && (size_t) i < params->num_ssids) {
9243 /* Check that there is enough space needed for 1 more SSID, the
9244 * other sections and null termination */
9245 if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN +
9246 WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int) sizeof(buf))
9247 break;
9248 wpa_hexdump_ascii(MSG_DEBUG, "For PNO Scan",
a97bde0a
JM		 9249 params->ssids[i].ssid,
9250 params->ssids[i].ssid_len);
216eede8
DS		 9251 buf[bp++] = WEXT_PNO_SSID_SECTION;
9252 buf[bp++] = params->ssids[i].ssid_len;
9253 os_memcpy(&buf[bp], params->ssids[i].ssid,
9254 params->ssids[i].ssid_len);
9255 bp += params->ssids[i].ssid_len;
9256 i++;
9257 }
9258
9259 buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION;
9260 os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x",
9261 WEXT_PNO_SCAN_INTERVAL);
9262 bp += WEXT_PNO_SCAN_INTERVAL_LENGTH;
9263
9264 buf[bp++] = WEXT_PNO_REPEAT_SECTION;
9265 os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x",
9266 WEXT_PNO_REPEAT);
9267 bp += WEXT_PNO_REPEAT_LENGTH;
9268
9269 buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION;
9270 os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x",
9271 WEXT_PNO_MAX_REPEAT);
9272 bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1;
9273
9274 memset(&ifr, 0, sizeof(ifr));
9275 memset(&priv_cmd, 0, sizeof(priv_cmd));
9276 os_strncpy(ifr.ifr_name, bss->ifname, IFNAMSIZ);
9277
9278 priv_cmd.buf = buf;
9279 priv_cmd.used_len = bp;
9280 priv_cmd.total_len = bp;
9281 ifr.ifr_data = &priv_cmd;
9282
9283 ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr);
9284
9285 if (ret < 0) {
9286 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d",
9287 ret);
9288 wpa_driver_send_hang_msg(drv);
9289 return ret;
9290 }
9291
9292 drv_errors = 0;
9293
9294 return android_priv_cmd(bss, "PNOFORCE 1");
9295}
9296
9297
9298static int android_pno_stop(struct i802_bss *bss)
9299{
9300 return android_priv_cmd(bss, "PNOFORCE 0");
9301}
9302
9303#endif /* ANDROID */
9304
9305
9ebce9c5
JM		 9306static int driver_nl80211_set_key(const char *ifname, void *priv,
9307 enum wpa_alg alg, const u8 *addr,
9308 int key_idx, int set_tx,
9309 const u8 *seq, size_t seq_len,
9310 const u8 *key, size_t key_len)
9311{
9312 struct i802_bss *bss = priv;
9313 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
9314 set_tx, seq, seq_len, key, key_len);
9315}
9316
9317
9318static int driver_nl80211_scan2(void *priv,
9319 struct wpa_driver_scan_params *params)
9320{
9321 struct i802_bss *bss = priv;
9322 return wpa_driver_nl80211_scan(bss, params);
9323}
9324
9325
9326static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
9327 int reason_code)
9328{
9329 struct i802_bss *bss = priv;
9330 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
9331}
9332
9333
9334static int driver_nl80211_authenticate(void *priv,
9335 struct wpa_driver_auth_params *params)
9336{
9337 struct i802_bss *bss = priv;
9338 return wpa_driver_nl80211_authenticate(bss, params);
9339}
9340
9341
9342static void driver_nl80211_deinit(void *priv)
9343{
9344 struct i802_bss *bss = priv;
9345 wpa_driver_nl80211_deinit(bss);
9346}
9347
9348
9349static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
9350 const char *ifname)
9351{
9352 struct i802_bss *bss = priv;
9353 return wpa_driver_nl80211_if_remove(bss, type, ifname);
9354}
9355
9356
9357static int driver_nl80211_send_mlme(void *priv, const u8 *data,
9358 size_t data_len, int noack)
9359{
9360 struct i802_bss *bss = priv;
9361 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
9362 0, 0, 0, 0);
9363}
9364
9365
9366static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
9367{
9368 struct i802_bss *bss = priv;
9369 return wpa_driver_nl80211_sta_remove(bss, addr);
9370}
9371
9372
9373#if defined(HOSTAPD) || defined(CONFIG_AP)
9374static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
9375 const char *ifname, int vlan_id)
9376{
9377 struct i802_bss *bss = priv;
9378 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
9379}
9380#endif /* HOSTAPD || CONFIG_AP */
9381
9382
9383static int driver_nl80211_read_sta_data(void *priv,
9384 struct hostap_sta_driver_data *data,
9385 const u8 *addr)
9386{
9387 struct i802_bss *bss = priv;
9388 return i802_read_sta_data(bss, data, addr);
9389}
9390
9391
9392static int driver_nl80211_send_action(void *priv, unsigned int freq,
9393 unsigned int wait_time,
9394 const u8 *dst, const u8 *src,
9395 const u8 *bssid,
9396 const u8 *data, size_t data_len,
9397 int no_cck)
9398{
9399 struct i802_bss *bss = priv;
9400 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
9401 bssid, data, data_len, no_cck);
9402}
9403
9404
9405static int driver_nl80211_probe_req_report(void *priv, int report)
9406{
9407 struct i802_bss *bss = priv;
9408 return wpa_driver_nl80211_probe_req_report(bss, report);
9409}
9410
9411
3f5285e8
JM		 9412const struct wpa_driver_ops wpa_driver_nl80211_ops = {
9413 .name = "nl80211",
9414 .desc = "Linux nl80211/cfg80211",
9415 .get_bssid = wpa_driver_nl80211_get_bssid,
9416 .get_ssid = wpa_driver_nl80211_get_ssid,
9ebce9c5
JM		 9417 .set_key = driver_nl80211_set_key,
9418 .scan2 = driver_nl80211_scan2,
d21c63b9
LC		 9419 .sched_scan = wpa_driver_nl80211_sched_scan,
9420 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
3f5285e8 9421 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
9ebce9c5
JM		 9422 .deauthenticate = driver_nl80211_deauthenticate,
9423 .authenticate = driver_nl80211_authenticate,
3f5285e8 9424 .associate = wpa_driver_nl80211_associate,
f2ed8023
JM		 9425 .global_init = nl80211_global_init,
9426 .global_deinit = nl80211_global_deinit,
9427 .init2 = wpa_driver_nl80211_init,
9ebce9c5 9428 .deinit = driver_nl80211_deinit,
3f5285e8
JM		 9429 .get_capa = wpa_driver_nl80211_get_capa,
9430 .set_operstate = wpa_driver_nl80211_set_operstate,
01652550 9431 .set_supp_port = wpa_driver_nl80211_set_supp_port,
6d158490 9432 .set_country = wpa_driver_nl80211_set_country,
19c3b566 9433 .set_ap = wpa_driver_nl80211_set_ap,
22a7c9d7 9434 .if_add = wpa_driver_nl80211_if_add,
9ebce9c5
JM		 9435 .if_remove = driver_nl80211_if_remove,
9436 .send_mlme = driver_nl80211_send_mlme,
c3965310 9437 .get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
0f4e8b4f 9438 .sta_add = wpa_driver_nl80211_sta_add,
9ebce9c5 9439 .sta_remove = driver_nl80211_sta_remove,
db149ac9 9440 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
a8d6ffa4 9441 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
c5121837
JM		 9442#ifdef HOSTAPD
9443 .hapd_init = i802_init,
c5121837 9444 .hapd_deinit = i802_deinit,
f7b3920c
JM		 9445 .set_wds_sta = i802_set_wds_sta,
9446#endif /* HOSTAPD */
9447#if defined(HOSTAPD) || defined(CONFIG_AP)
c5121837
JM		 9448 .get_seqnum = i802_get_seqnum,
9449 .flush = i802_flush,
c5121837
JM		 9450 .get_inact_sec = i802_get_inact_sec,
9451 .sta_clear_stats = i802_sta_clear_stats,
c5121837
JM		 9452 .set_rts = i802_set_rts,
9453 .set_frag = i802_set_frag,
c5121837 9454 .set_tx_queue_params = i802_set_tx_queue_params,
9ebce9c5 9455 .set_sta_vlan = driver_nl80211_set_sta_vlan,
ee7ab173
JB		 9456 .sta_deauth = i802_sta_deauth,
9457 .sta_disassoc = i802_sta_disassoc,
9458#endif /* HOSTAPD || CONFIG_AP */
9ebce9c5 9459 .read_sta_data = driver_nl80211_read_sta_data,
e3802622 9460 .set_freq = i802_set_freq,
9ebce9c5 9461 .send_action = driver_nl80211_send_action,
5dfca53f 9462 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
55777702
JM		 9463 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
9464 .cancel_remain_on_channel =
9465 wpa_driver_nl80211_cancel_remain_on_channel,
9ebce9c5 9466 .probe_req_report = driver_nl80211_probe_req_report,
af473088 9467 .deinit_ap = wpa_driver_nl80211_deinit_ap,
3c29244e 9468 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
207ef3fb 9469 .resume = wpa_driver_nl80211_resume,
7b90c16a 9470 .send_ft_action = nl80211_send_ft_action,
b625473c 9471 .signal_monitor = nl80211_signal_monitor,
1c5c7273 9472 .signal_poll = nl80211_signal_poll,
b91ab76e 9473 .send_frame = nl80211_send_frame,
57ebba59 9474 .shared_freq = wpa_driver_nl80211_shared_freq,
c55f774d 9475 .set_param = nl80211_set_param,
6859f1cb 9476 .get_radio_name = nl80211_get_radio_name,
a6efc65d
JM		 9477 .add_pmkid = nl80211_add_pmkid,
9478 .remove_pmkid = nl80211_remove_pmkid,
9479 .flush_pmkid = nl80211_flush_pmkid,
b14a210c 9480 .set_rekey_info = nl80211_set_rekey_info,
bcf24348 9481 .poll_client = nl80211_poll_client,
29f338af 9482 .set_p2p_powersave = nl80211_set_p2p_powersave,
03ea1786
AN		 9483#ifdef CONFIG_TDLS
9484 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
9485 .tdls_oper = nl80211_tdls_oper,
9486#endif /* CONFIG_TDLS */
3f5285e8 9487};
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