2 * WPA Supplicant - driver interaction with BSD net80211 layer
3 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
16 #include <sys/ioctl.h>
21 #include "ieee802_11_defs.h"
26 #include <net/if_ether.h>
27 #define COMPAT_FREEBSD_NET80211
29 #include <net/ethernet.h>
32 #include <net80211/ieee80211.h>
33 #include <net80211/ieee80211_crypto.h>
34 #include <net80211/ieee80211_ioctl.h>
36 struct wpa_driver_bsd_data {
37 int sock; /* open socket for 802.11 ioctls */
38 int route; /* routing socket for events */
39 char ifname[IFNAMSIZ+1]; /* interface name */
40 unsigned int ifindex; /* interface index */
42 int prev_roaming; /* roaming state to restore on deinit */
43 int prev_privacy; /* privacy state to restore on deinit */
44 int prev_wpa; /* wpa state to restore on deinit */
48 set80211var(struct wpa_driver_bsd_data *drv, int op, const void *arg, int arg_len)
50 struct ieee80211req ireq;
52 os_memset(&ireq, 0, sizeof(ireq));
53 os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ);
56 ireq.i_data = (void *) arg;
58 if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) {
59 fprintf(stderr, "ioctl[SIOCS80211, op %u, len %u]: %s\n",
60 op, arg_len, strerror(errno));
67 get80211var(struct wpa_driver_bsd_data *drv, int op, void *arg, int arg_len)
69 struct ieee80211req ireq;
71 os_memset(&ireq, 0, sizeof(ireq));
72 os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ);
77 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
78 fprintf(stderr, "ioctl[SIOCG80211, op %u, len %u]: %s\n",
79 op, arg_len, strerror(errno));
86 set80211param(struct wpa_driver_bsd_data *drv, int op, int arg)
88 struct ieee80211req ireq;
90 os_memset(&ireq, 0, sizeof(ireq));
91 os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ);
95 if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) {
96 fprintf(stderr, "ioctl[SIOCS80211, op %u, arg 0x%x]: %s\n",
97 op, arg, strerror(errno));
104 get80211param(struct wpa_driver_bsd_data *drv, int op)
106 struct ieee80211req ireq;
108 os_memset(&ireq, 0, sizeof(ireq));
109 os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ);
112 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
113 fprintf(stderr, "ioctl[SIOCG80211, op %u]: %s\n",
114 op, strerror(errno));
121 getifflags(struct wpa_driver_bsd_data *drv, int *flags)
125 os_memset(&ifr, 0, sizeof(ifr));
126 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
127 if (ioctl(drv->sock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
128 perror("SIOCGIFFLAGS");
131 *flags = ifr.ifr_flags & 0xffff;
136 setifflags(struct wpa_driver_bsd_data *drv, int flags)
140 os_memset(&ifr, 0, sizeof(ifr));
141 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
142 ifr.ifr_flags = flags & 0xffff;
143 if (ioctl(drv->sock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) {
144 perror("SIOCSIFFLAGS");
151 wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
153 struct wpa_driver_bsd_data *drv = priv;
155 return get80211var(drv, IEEE80211_IOC_BSSID,
156 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
161 wpa_driver_bsd_set_bssid(void *priv, const char *bssid)
163 struct wpa_driver_bsd_data *drv = priv;
165 return set80211var(drv, IEEE80211_IOC_BSSID,
166 bssid, IEEE80211_ADDR_LEN);
171 wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
173 struct wpa_driver_bsd_data *drv = priv;
175 return get80211var(drv, IEEE80211_IOC_SSID,
176 ssid, IEEE80211_NWID_LEN);
180 wpa_driver_bsd_set_ssid(void *priv, const u8 *ssid,
183 struct wpa_driver_bsd_data *drv = priv;
185 return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len);
189 wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data *drv,
190 const u8 *wpa_ie, size_t wpa_ie_len)
192 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
196 wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
198 struct wpa_driver_bsd_data *drv = priv;
201 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
202 __FUNCTION__, wpa, privacy);
204 if (!wpa && wpa_driver_bsd_set_wpa_ie(drv, NULL, 0) < 0)
206 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
208 if (set80211param(drv, IEEE80211_IOC_WPA, wpa) < 0)
215 wpa_driver_bsd_set_wpa(void *priv, int enabled)
217 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
219 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
223 wpa_driver_bsd_del_key(struct wpa_driver_bsd_data *drv, int key_idx,
224 const unsigned char *addr)
226 struct ieee80211req_del_key wk;
228 os_memset(&wk, 0, sizeof(wk));
230 bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) != 0) {
231 struct ether_addr ea;
233 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
234 wpa_printf(MSG_DEBUG, "%s: addr=%s keyidx=%d",
235 __func__, ether_ntoa(&ea), key_idx);
236 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
237 wk.idk_keyix = (uint8_t) IEEE80211_KEYIX_NONE;
239 wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __func__, key_idx);
240 wk.idk_keyix = key_idx;
242 return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
246 wpa_driver_bsd_set_key(void *priv, wpa_alg alg,
247 const unsigned char *addr, int key_idx, int set_tx,
248 const u8 *seq, size_t seq_len,
249 const u8 *key, size_t key_len)
251 struct wpa_driver_bsd_data *drv = priv;
252 struct ieee80211req_key wk;
253 struct ether_addr ea;
257 if (alg == WPA_ALG_NONE)
258 return wpa_driver_bsd_del_key(drv, key_idx, addr);
263 cipher = IEEE80211_CIPHER_WEP;
267 cipher = IEEE80211_CIPHER_TKIP;
271 cipher = IEEE80211_CIPHER_AES_CCM;
274 wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
279 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
280 wpa_printf(MSG_DEBUG,
281 "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu",
282 __func__, alg_name, ether_ntoa(&ea), key_idx, set_tx,
285 if (seq_len > sizeof(u_int64_t)) {
286 wpa_printf(MSG_DEBUG, "%s: seq_len %zu too big",
290 if (key_len > sizeof(wk.ik_keydata)) {
291 wpa_printf(MSG_DEBUG, "%s: key length %zu too big",
296 os_memset(&wk, 0, sizeof(wk));
298 wk.ik_flags = IEEE80211_KEY_RECV;
300 wk.ik_flags |= IEEE80211_KEY_XMIT;
301 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
303 * Deduce whether group/global or unicast key by checking
304 * the address (yech). Note also that we can only mark global
305 * keys default; doing this for a unicast key is an error.
307 if (bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) == 0) {
308 wk.ik_flags |= IEEE80211_KEY_GROUP;
309 wk.ik_keyix = key_idx;
311 wk.ik_keyix = (key_idx == 0 ? IEEE80211_KEYIX_NONE : key_idx);
313 if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
314 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
315 wk.ik_keylen = key_len;
316 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
317 os_memcpy(wk.ik_keydata, key, key_len);
319 return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
323 wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
325 struct wpa_driver_bsd_data *drv = priv;
327 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
328 return set80211param(drv, IEEE80211_IOC_COUNTERMEASURES, enabled);
333 wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
335 struct wpa_driver_bsd_data *drv = priv;
337 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
338 return set80211param(drv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
342 wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
344 struct wpa_driver_bsd_data *drv = priv;
345 struct ieee80211req_mlme mlme;
347 wpa_printf(MSG_DEBUG, "%s", __func__);
348 os_memset(&mlme, 0, sizeof(mlme));
349 mlme.im_op = IEEE80211_MLME_DEAUTH;
350 mlme.im_reason = reason_code;
351 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
352 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
356 wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code)
358 struct wpa_driver_bsd_data *drv = priv;
359 struct ieee80211req_mlme mlme;
361 wpa_printf(MSG_DEBUG, "%s", __func__);
362 os_memset(&mlme, 0, sizeof(mlme));
363 mlme.im_op = IEEE80211_MLME_DISASSOC;
364 mlme.im_reason = reason_code;
365 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
366 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
370 wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
372 struct wpa_driver_bsd_data *drv = priv;
373 struct ieee80211req_mlme mlme;
376 wpa_printf(MSG_DEBUG,
377 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
379 , params->ssid_len, params->ssid
381 , params->pairwise_suite
382 , params->group_suite
383 , params->key_mgmt_suite
386 /* XXX error handling is wrong but unclear what to do... */
387 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
390 privacy = !(params->pairwise_suite == CIPHER_NONE &&
391 params->group_suite == CIPHER_NONE &&
392 params->key_mgmt_suite == KEY_MGMT_NONE &&
393 params->wpa_ie_len == 0);
394 wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy);
396 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
399 if (params->wpa_ie_len &&
400 set80211param(drv, IEEE80211_IOC_WPA,
401 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0)
404 os_memset(&mlme, 0, sizeof(mlme));
405 mlme.im_op = IEEE80211_MLME_ASSOC;
406 if (params->ssid != NULL)
407 os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
408 mlme.im_ssid_len = params->ssid_len;
409 if (params->bssid != NULL)
410 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
411 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
417 wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
419 struct wpa_driver_bsd_data *drv = priv;
422 if ((auth_alg & AUTH_ALG_OPEN_SYSTEM) &&
423 (auth_alg & AUTH_ALG_SHARED_KEY))
424 authmode = IEEE80211_AUTH_AUTO;
425 else if (auth_alg & AUTH_ALG_SHARED_KEY)
426 authmode = IEEE80211_AUTH_SHARED;
428 authmode = IEEE80211_AUTH_OPEN;
430 return set80211param(drv, IEEE80211_IOC_AUTHMODE, authmode);
434 wpa_driver_bsd_scan(void *priv, const u8 *ssid, size_t ssid_len)
436 struct wpa_driver_bsd_data *drv = priv;
439 /* NB: interface must be marked UP to do a scan */
440 if (getifflags(drv, &flags) != 0 || setifflags(drv, flags | IFF_UP) != 0)
443 /* set desired ssid before scan */
444 if (wpa_driver_bsd_set_ssid(drv, ssid, ssid_len) < 0)
447 /* NB: net80211 delivers a scan complete event so no need to poll */
448 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
451 #include <net/route.h>
453 #include <net80211/ieee80211_freebsd.h>
456 #include <net80211/ieee80211_netbsd.h>
460 wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
462 struct wpa_driver_bsd_data *drv = sock_ctx;
464 struct if_announcemsghdr *ifan;
465 struct if_msghdr *ifm;
466 struct rt_msghdr *rtm;
467 union wpa_event_data event;
468 struct ieee80211_michael_event *mic;
471 n = read(sock, buf, sizeof(buf));
473 if (errno != EINTR && errno != EAGAIN)
474 perror("read(PF_ROUTE)");
478 rtm = (struct rt_msghdr *) buf;
479 if (rtm->rtm_version != RTM_VERSION) {
480 wpa_printf(MSG_DEBUG, "Routing message version %d not "
481 "understood\n", rtm->rtm_version);
484 os_memset(&event, 0, sizeof(event));
485 switch (rtm->rtm_type) {
487 ifan = (struct if_announcemsghdr *) rtm;
488 if (ifan->ifan_index != drv->ifindex)
490 strlcpy(event.interface_status.ifname, drv->ifname,
491 sizeof(event.interface_status.ifname));
492 switch (ifan->ifan_what) {
494 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
498 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
499 event.interface_status.ifname,
500 ifan->ifan_what == IFAN_DEPARTURE ?
501 "removed" : "added");
502 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
505 ifan = (struct if_announcemsghdr *) rtm;
506 if (ifan->ifan_index != drv->ifindex)
508 switch (ifan->ifan_what) {
509 case RTM_IEEE80211_ASSOC:
510 case RTM_IEEE80211_REASSOC:
511 wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
513 case RTM_IEEE80211_DISASSOC:
514 wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
516 case RTM_IEEE80211_SCAN:
517 wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
519 case RTM_IEEE80211_REPLAY:
522 case RTM_IEEE80211_MICHAEL:
523 mic = (struct ieee80211_michael_event *) &ifan[1];
524 wpa_printf(MSG_DEBUG,
525 "Michael MIC failure wireless event: "
526 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
527 MAC2STR(mic->iev_src));
529 os_memset(&event, 0, sizeof(event));
530 event.michael_mic_failure.unicast =
531 !IEEE80211_IS_MULTICAST(mic->iev_dst);
532 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
538 ifm = (struct if_msghdr *) rtm;
539 if (ifm->ifm_index != drv->ifindex)
541 if ((rtm->rtm_flags & RTF_UP) == 0) {
542 strlcpy(event.interface_status.ifname, drv->ifname,
543 sizeof(event.interface_status.ifname));
544 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
545 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
546 event.interface_status.ifname);
547 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
553 /* Compare function for sorting scan results. Return >0 if @b is consider
556 wpa_scan_result_compar(const void *a, const void *b)
558 const struct wpa_scan_result *wa = a;
559 const struct wpa_scan_result *wb = b;
561 /* WPA/WPA2 support preferred */
562 if ((wb->wpa_ie_len || wb->rsn_ie_len) &&
563 !(wa->wpa_ie_len || wa->rsn_ie_len))
565 if (!(wb->wpa_ie_len || wb->rsn_ie_len) &&
566 (wa->wpa_ie_len || wa->rsn_ie_len))
569 /* privacy support preferred */
570 if ((wa->caps & IEEE80211_CAPINFO_PRIVACY) &&
571 (wb->caps & IEEE80211_CAPINFO_PRIVACY) == 0)
573 if ((wa->caps & IEEE80211_CAPINFO_PRIVACY) == 0 &&
574 (wb->caps & IEEE80211_CAPINFO_PRIVACY))
577 /* best/max rate preferred if signal level close enough XXX */
578 if (wa->maxrate != wb->maxrate && abs(wb->level - wa->level) < 5)
579 return wb->maxrate - wa->maxrate;
581 /* use freq for channel preference */
583 /* all things being equal, use signal level */
584 return wb->level - wa->level;
588 getmaxrate(uint8_t rates[15], uint8_t nrates)
592 for (i = 0; i < nrates; i++) {
593 int rate = rates[i] & IEEE80211_RATE_VAL;
600 /* unalligned little endian access */
601 #define LE_READ_4(p) \
603 ((((const u_int8_t *)(p))[0] ) | \
604 (((const u_int8_t *)(p))[1] << 8) | \
605 (((const u_int8_t *)(p))[2] << 16) | \
606 (((const u_int8_t *)(p))[3] << 24)))
609 iswpaoui(const u_int8_t *frm)
611 return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI);
615 wpa_driver_bsd_get_scan_results(void *priv,
616 struct wpa_scan_result *results,
619 #define min(a,b) ((a)>(b)?(b):(a))
620 struct wpa_driver_bsd_data *drv = priv;
621 uint8_t buf[24*1024];
623 struct ieee80211req_scan_result *sr;
624 struct wpa_scan_result *wsr;
627 os_memset(results, 0, max_size * sizeof(struct wpa_scan_result));
629 len = get80211var(drv, IEEE80211_IOC_SCAN_RESULTS, buf, sizeof(buf));
634 while (len >= sizeof(struct ieee80211req_scan_result)) {
635 sr = (struct ieee80211req_scan_result *) cp;
636 os_memcpy(wsr->bssid, sr->isr_bssid, IEEE80211_ADDR_LEN);
637 wsr->ssid_len = sr->isr_ssid_len;
638 wsr->freq = sr->isr_freq;
639 wsr->noise = sr->isr_noise;
640 wsr->qual = sr->isr_rssi;
641 wsr->level = 0; /* XXX? */
642 wsr->caps = sr->isr_capinfo;
643 wsr->maxrate = getmaxrate(sr->isr_rates, sr->isr_nrates);
644 vp = (u_int8_t *)(sr+1);
645 os_memcpy(wsr->ssid, vp, sr->isr_ssid_len);
646 if (sr->isr_ie_len > 0) {
647 vp += sr->isr_ssid_len;
648 ielen = sr->isr_ie_len;
651 case IEEE80211_ELEMID_VENDOR:
655 min(2+vp[1], SSID_MAX_WPA_IE_LEN);
656 os_memcpy(wsr->wpa_ie, vp,
659 case IEEE80211_ELEMID_RSN:
661 min(2+vp[1], SSID_MAX_WPA_IE_LEN);
662 os_memcpy(wsr->rsn_ie, vp,
671 cp += sr->isr_len, len -= sr->isr_len;
674 qsort(results, wsr - results, sizeof(struct wpa_scan_result),
675 wpa_scan_result_compar);
677 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%d BSSes)",
680 return wsr - results;
685 wpa_driver_bsd_init(void *ctx, const char *ifname)
687 #define GETPARAM(drv, param, v) \
688 (((v) = get80211param(drv, param)) != -1)
689 struct wpa_driver_bsd_data *drv;
691 drv = os_zalloc(sizeof(*drv));
695 * NB: We require the interface name be mappable to an index.
696 * This implies we do not support having wpa_supplicant
697 * wait for an interface to appear. This seems ok; that
698 * doesn't belong here; it's really the job of devd.
700 drv->ifindex = if_nametoindex(ifname);
701 if (drv->ifindex == 0) {
702 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
706 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
709 drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
712 eloop_register_read_sock(drv->route,
713 wpa_driver_bsd_event_receive, ctx, drv);
716 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
718 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
719 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
720 __func__, strerror(errno));
723 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
724 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
725 __func__, strerror(errno));
728 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
729 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
730 __func__, strerror(errno));
733 if (set80211param(drv, IEEE80211_IOC_ROAMING, IEEE80211_ROAMING_MANUAL) < 0) {
734 wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
735 "roaming: %s", __func__, strerror(errno));
739 if (set80211param(drv, IEEE80211_IOC_WPA, 1+2) < 0) {
740 wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support %s",
741 __func__, strerror(errno));
755 wpa_driver_bsd_deinit(void *priv)
757 struct wpa_driver_bsd_data *drv = priv;
760 eloop_unregister_read_sock(drv->route);
762 /* NB: mark interface down */
763 if (getifflags(drv, &flags) == 0)
764 (void) setifflags(drv, flags &~ IFF_UP);
766 wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy);
767 if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0)
768 wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state",
771 (void) close(drv->route); /* ioctl socket */
772 (void) close(drv->sock); /* event socket */
777 const struct wpa_driver_ops wpa_driver_bsd_ops = {
779 .desc = "BSD 802.11 support (Atheros, etc.)",
780 .init = wpa_driver_bsd_init,
781 .deinit = wpa_driver_bsd_deinit,
782 .get_bssid = wpa_driver_bsd_get_bssid,
783 .get_ssid = wpa_driver_bsd_get_ssid,
784 .set_wpa = wpa_driver_bsd_set_wpa,
785 .set_key = wpa_driver_bsd_set_key,
786 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
787 .set_drop_unencrypted = wpa_driver_bsd_set_drop_unencrypted,
788 .scan = wpa_driver_bsd_scan,
789 .get_scan_results = wpa_driver_bsd_get_scan_results,
790 .deauthenticate = wpa_driver_bsd_deauthenticate,
791 .disassociate = wpa_driver_bsd_disassociate,
792 .associate = wpa_driver_bsd_associate,
793 .set_auth_alg = wpa_driver_bsd_set_auth_alg,