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 "wpa_supplicant.h"
22 #include "l2_packet.h"
23 #include "wpa.h" /* XXX for RSN_INFO_ELEM */
26 #include <net/ethernet.h>
28 #include <net80211/ieee80211.h>
29 #include <net80211/ieee80211_crypto.h>
30 #include <net80211/ieee80211_ioctl.h>
32 struct wpa_driver_bsd_data {
33 int sock; /* open socket for 802.11 ioctls */
34 int route; /* routing socket for events */
35 char ifname[IFNAMSIZ+1]; /* interface name */
36 unsigned int ifindex; /* interface index */
38 int prev_roaming; /* roaming state to restore on deinit */
39 int prev_privacy; /* privacy state to restore on deinit */
40 int prev_wpa; /* wpa state to restore on deinit */
44 set80211var(struct wpa_driver_bsd_data *drv, int op, const void *arg, int arg_len)
46 struct ieee80211req ireq;
48 os_memset(&ireq, 0, sizeof(ireq));
49 os_strncpy(ireq.i_name, drv->ifname, IFNAMSIZ);
52 ireq.i_data = (void *) arg;
54 if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) {
55 fprintf(stderr, "ioctl[SIOCS80211, op %u, len %u]: %s\n",
56 op, arg_len, strerror(errno));
63 get80211var(struct wpa_driver_bsd_data *drv, int op, void *arg, int arg_len)
65 struct ieee80211req ireq;
67 os_memset(&ireq, 0, sizeof(ireq));
68 os_strncpy(ireq.i_name, drv->ifname, IFNAMSIZ);
73 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
74 fprintf(stderr, "ioctl[SIOCG80211, op %u, len %u]: %s\n",
75 op, arg_len, strerror(errno));
82 set80211param(struct wpa_driver_bsd_data *drv, int op, int arg)
84 struct ieee80211req ireq;
86 os_memset(&ireq, 0, sizeof(ireq));
87 os_strncpy(ireq.i_name, drv->ifname, IFNAMSIZ);
91 if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) {
92 fprintf(stderr, "ioctl[SIOCS80211, op %u, arg 0x%x]: %s\n",
93 op, arg, strerror(errno));
100 get80211param(struct wpa_driver_bsd_data *drv, int op)
102 struct ieee80211req ireq;
104 os_memset(&ireq, 0, sizeof(ireq));
105 os_strncpy(ireq.i_name, drv->ifname, IFNAMSIZ);
108 if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) {
109 fprintf(stderr, "ioctl[SIOCG80211, op %u]: %s\n",
110 op, strerror(errno));
117 getifflags(struct wpa_driver_bsd_data *drv, int *flags)
121 os_memset(&ifr, 0, sizeof(ifr));
122 os_strncpy(ifr.ifr_name, drv->ifname, sizeof (ifr.ifr_name));
123 if (ioctl(drv->sock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
124 perror("SIOCGIFFLAGS");
127 *flags = ifr.ifr_flags & 0xffff;
132 setifflags(struct wpa_driver_bsd_data *drv, int flags)
136 os_memset(&ifr, 0, sizeof(ifr));
137 os_strncpy(ifr.ifr_name, drv->ifname, sizeof (ifr.ifr_name));
138 ifr.ifr_flags = flags & 0xffff;
139 if (ioctl(drv->sock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) {
140 perror("SIOCSIFFLAGS");
147 wpa_driver_bsd_get_bssid(void *priv, u8 *bssid)
149 struct wpa_driver_bsd_data *drv = priv;
151 return get80211var(drv, IEEE80211_IOC_BSSID,
152 bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0;
157 wpa_driver_bsd_set_bssid(void *priv, const char *bssid)
159 struct wpa_driver_bsd_data *drv = priv;
161 return set80211var(drv, IEEE80211_IOC_BSSID,
162 bssid, IEEE80211_ADDR_LEN);
167 wpa_driver_bsd_get_ssid(void *priv, u8 *ssid)
169 struct wpa_driver_bsd_data *drv = priv;
171 return get80211var(drv, IEEE80211_IOC_SSID,
172 ssid, IEEE80211_NWID_LEN);
176 wpa_driver_bsd_set_ssid(void *priv, const char *ssid,
179 struct wpa_driver_bsd_data *drv = priv;
181 return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len);
185 wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data *drv,
186 const char *wpa_ie, size_t wpa_ie_len)
188 return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len);
192 wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy)
194 struct wpa_driver_bsd_data *drv = priv;
197 wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
198 __FUNCTION__, wpa, privacy);
200 if (!wpa && wpa_driver_bsd_set_wpa_ie(drv, NULL, 0) < 0)
202 if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0)
204 if (set80211param(drv, IEEE80211_IOC_WPA, wpa) < 0)
211 wpa_driver_bsd_set_wpa(void *priv, int enabled)
213 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
215 return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
219 wpa_driver_bsd_del_key(struct wpa_driver_bsd_data *drv, int key_idx,
220 const unsigned char *addr)
222 struct ieee80211req_del_key wk;
224 os_memset(&wk, 0, sizeof(wk));
226 bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) != 0) {
227 struct ether_addr ea;
229 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
230 wpa_printf(MSG_DEBUG, "%s: addr=%s keyidx=%d",
231 __func__, ether_ntoa(&ea), key_idx);
232 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
233 wk.idk_keyix = (uint8_t) IEEE80211_KEYIX_NONE;
235 wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __func__, key_idx);
236 wk.idk_keyix = key_idx;
238 return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
242 wpa_driver_bsd_set_key(void *priv, wpa_alg alg,
243 const unsigned char *addr, int key_idx, int set_tx,
244 const u8 *seq, size_t seq_len,
245 const u8 *key, size_t key_len)
247 struct wpa_driver_bsd_data *drv = priv;
248 struct ieee80211req_key wk;
249 struct ether_addr ea;
253 if (alg == WPA_ALG_NONE)
254 return wpa_driver_bsd_del_key(drv, key_idx, addr);
259 cipher = IEEE80211_CIPHER_WEP;
263 cipher = IEEE80211_CIPHER_TKIP;
267 cipher = IEEE80211_CIPHER_AES_CCM;
270 wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
275 os_memcpy(&ea, addr, IEEE80211_ADDR_LEN);
276 wpa_printf(MSG_DEBUG,
277 "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu",
278 __func__, alg_name, ether_ntoa(&ea), key_idx, set_tx,
281 if (seq_len > sizeof(u_int64_t)) {
282 wpa_printf(MSG_DEBUG, "%s: seq_len %zu too big",
286 if (key_len > sizeof(wk.ik_keydata)) {
287 wpa_printf(MSG_DEBUG, "%s: key length %zu too big",
292 os_memset(&wk, 0, sizeof(wk));
294 wk.ik_flags = IEEE80211_KEY_RECV;
296 wk.ik_flags |= IEEE80211_KEY_XMIT;
297 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
299 * Deduce whether group/global or unicast key by checking
300 * the address (yech). Note also that we can only mark global
301 * keys default; doing this for a unicast key is an error.
303 if (bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) == 0) {
304 wk.ik_flags |= IEEE80211_KEY_GROUP;
305 wk.ik_keyix = key_idx;
307 wk.ik_keyix = (key_idx == 0 ? IEEE80211_KEYIX_NONE : key_idx);
309 if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
310 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
311 wk.ik_keylen = key_len;
312 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
313 os_memcpy(wk.ik_keydata, key, key_len);
315 return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
319 wpa_driver_bsd_set_countermeasures(void *priv, int enabled)
321 struct wpa_driver_bsd_data *drv = priv;
323 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
324 return set80211param(drv, IEEE80211_IOC_COUNTERMEASURES, enabled);
329 wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled)
331 struct wpa_driver_bsd_data *drv = priv;
333 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
334 return set80211param(drv, IEEE80211_IOC_DROPUNENCRYPTED, enabled);
338 wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code)
340 struct wpa_driver_bsd_data *drv = priv;
341 struct ieee80211req_mlme mlme;
343 wpa_printf(MSG_DEBUG, "%s", __func__);
344 os_memset(&mlme, 0, sizeof(mlme));
345 mlme.im_op = IEEE80211_MLME_DEAUTH;
346 mlme.im_reason = reason_code;
347 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
348 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
352 wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code)
354 struct wpa_driver_bsd_data *drv = priv;
355 struct ieee80211req_mlme mlme;
357 wpa_printf(MSG_DEBUG, "%s", __func__);
358 os_memset(&mlme, 0, sizeof(mlme));
359 mlme.im_op = IEEE80211_MLME_DISASSOC;
360 mlme.im_reason = reason_code;
361 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
362 return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
366 wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params)
368 struct wpa_driver_bsd_data *drv = priv;
369 struct ieee80211req_mlme mlme;
372 wpa_printf(MSG_DEBUG,
373 "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u"
375 , params->ssid_len, params->ssid
377 , params->pairwise_suite
378 , params->group_suite
379 , params->key_mgmt_suite
382 /* XXX error handling is wrong but unclear what to do... */
383 if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
385 #ifndef NEW_FREEBSD_MLME_ASSOC
386 if (wpa_driver_bsd_set_ssid(drv, params->ssid, params->ssid_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] == RSN_INFO_ELEM ? 2 : 1) < 0)
404 os_memset(&mlme, 0, sizeof(mlme));
405 mlme.im_op = IEEE80211_MLME_ASSOC;
406 #ifdef NEW_FREEBSD_MLME_ASSOC
407 if (params->ssid != NULL)
408 os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len);
409 mlme.im_ssid_len = params->ssid_len;
411 if (params->bssid != NULL)
412 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
413 if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0)
419 wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg)
421 struct wpa_driver_bsd_data *drv = priv;
424 if ((auth_alg & AUTH_ALG_OPEN_SYSTEM) &&
425 (auth_alg & AUTH_ALG_SHARED_KEY))
426 authmode = IEEE80211_AUTH_AUTO;
427 else if (auth_alg & AUTH_ALG_SHARED_KEY)
428 authmode = IEEE80211_AUTH_SHARED;
430 authmode = IEEE80211_AUTH_OPEN;
432 return set80211param(drv, IEEE80211_IOC_AUTHMODE, authmode);
436 wpa_driver_bsd_scan(void *priv, const u8 *ssid, size_t ssid_len)
438 struct wpa_driver_bsd_data *drv = priv;
441 /* NB: interface must be marked UP to do a scan */
442 if (getifflags(drv, &flags) != 0 || setifflags(drv, flags | IFF_UP) != 0)
445 /* set desired ssid before scan */
446 if (wpa_driver_bsd_set_ssid(drv, ssid, ssid_len) < 0)
449 /* NB: net80211 delivers a scan complete event so no need to poll */
450 return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0);
453 #include <net/route.h>
454 #include <net80211/ieee80211_freebsd.h>
457 wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
459 struct wpa_driver_bsd_data *drv = sock_ctx;
461 struct if_announcemsghdr *ifan;
462 struct if_msghdr *ifm;
463 struct rt_msghdr *rtm;
464 union wpa_event_data event;
465 struct ieee80211_michael_event *mic;
468 n = read(sock, buf, sizeof(buf));
470 if (errno != EINTR && errno != EAGAIN)
471 perror("read(PF_ROUTE)");
475 rtm = (struct rt_msghdr *) buf;
476 if (rtm->rtm_version != RTM_VERSION) {
477 wpa_printf(MSG_DEBUG, "Routing message version %d not "
478 "understood\n", rtm->rtm_version);
481 os_memset(&event, 0, sizeof(event));
482 switch (rtm->rtm_type) {
484 ifan = (struct if_announcemsghdr *) rtm;
485 if (ifan->ifan_index != drv->ifindex)
487 strlcpy(event.interface_status.ifname, drv->ifname,
488 sizeof(event.interface_status.ifname));
489 switch (ifan->ifan_what) {
491 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
495 wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s",
496 event.interface_status.ifname,
497 ifan->ifan_what == IFAN_DEPARTURE ?
498 "removed" : "added");
499 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
502 ifan = (struct if_announcemsghdr *) rtm;
503 if (ifan->ifan_index != drv->ifindex)
505 switch (ifan->ifan_what) {
506 case RTM_IEEE80211_ASSOC:
507 case RTM_IEEE80211_REASSOC:
508 wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
510 case RTM_IEEE80211_DISASSOC:
511 wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
513 case RTM_IEEE80211_SCAN:
514 wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
516 case RTM_IEEE80211_REPLAY:
519 case RTM_IEEE80211_MICHAEL:
520 mic = (struct ieee80211_michael_event *) &ifan[1];
521 wpa_printf(MSG_DEBUG,
522 "Michael MIC failure wireless event: "
523 "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
524 MAC2STR(mic->iev_src));
526 os_memset(&event, 0, sizeof(event));
527 event.michael_mic_failure.unicast =
528 !IEEE80211_IS_MULTICAST(mic->iev_dst);
529 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
535 ifm = (struct if_msghdr *) rtm;
536 if (ifm->ifm_index != drv->ifindex)
538 if ((rtm->rtm_flags & RTF_UP) == 0) {
539 strlcpy(event.interface_status.ifname, drv->ifname,
540 sizeof(event.interface_status.ifname));
541 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
542 wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
543 event.interface_status.ifname);
544 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
550 /* Compare function for sorting scan results. Return >0 if @b is consider
553 wpa_scan_result_compar(const void *a, const void *b)
555 const struct wpa_scan_result *wa = a;
556 const struct wpa_scan_result *wb = b;
558 /* WPA/WPA2 support preferred */
559 if ((wb->wpa_ie_len || wb->rsn_ie_len) &&
560 !(wa->wpa_ie_len || wa->rsn_ie_len))
562 if (!(wb->wpa_ie_len || wb->rsn_ie_len) &&
563 (wa->wpa_ie_len || wa->rsn_ie_len))
566 /* privacy support preferred */
567 if ((wa->caps & IEEE80211_CAPINFO_PRIVACY) &&
568 (wb->caps & IEEE80211_CAPINFO_PRIVACY) == 0)
570 if ((wa->caps & IEEE80211_CAPINFO_PRIVACY) == 0 &&
571 (wb->caps & IEEE80211_CAPINFO_PRIVACY))
574 /* best/max rate preferred if signal level close enough XXX */
575 if (wa->maxrate != wb->maxrate && abs(wb->level - wa->level) < 5)
576 return wb->maxrate - wa->maxrate;
578 /* use freq for channel preference */
580 /* all things being equal, use signal level */
581 return wb->level - wa->level;
585 getmaxrate(uint8_t rates[15], uint8_t nrates)
589 for (i = 0; i < nrates; i++) {
590 int rate = rates[i] & IEEE80211_RATE_VAL;
597 /* unalligned little endian access */
598 #define LE_READ_4(p) \
600 ((((const u_int8_t *)(p))[0] ) | \
601 (((const u_int8_t *)(p))[1] << 8) | \
602 (((const u_int8_t *)(p))[2] << 16) | \
603 (((const u_int8_t *)(p))[3] << 24)))
606 iswpaoui(const u_int8_t *frm)
608 return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI);
612 wpa_driver_bsd_get_scan_results(void *priv,
613 struct wpa_scan_result *results,
616 #define min(a,b) ((a)>(b)?(b):(a))
617 struct wpa_driver_bsd_data *drv = priv;
618 uint8_t buf[24*1024];
620 struct ieee80211req_scan_result *sr;
621 struct wpa_scan_result *wsr;
624 os_memset(results, 0, max_size * sizeof(struct wpa_scan_result));
626 len = get80211var(drv, IEEE80211_IOC_SCAN_RESULTS, buf, sizeof(buf));
631 while (len >= sizeof(struct ieee80211req_scan_result)) {
632 sr = (struct ieee80211req_scan_result *) cp;
633 os_memcpy(wsr->bssid, sr->isr_bssid, IEEE80211_ADDR_LEN);
634 wsr->ssid_len = sr->isr_ssid_len;
635 wsr->freq = sr->isr_freq;
636 wsr->noise = sr->isr_noise;
637 wsr->qual = sr->isr_rssi;
638 wsr->level = 0; /* XXX? */
639 wsr->caps = sr->isr_capinfo;
640 wsr->maxrate = getmaxrate(sr->isr_rates, sr->isr_nrates);
641 vp = (u_int8_t *)(sr+1);
642 os_memcpy(wsr->ssid, vp, sr->isr_ssid_len);
643 if (sr->isr_ie_len > 0) {
644 vp += sr->isr_ssid_len;
645 ielen = sr->isr_ie_len;
648 case IEEE80211_ELEMID_VENDOR:
652 min(2+vp[1], SSID_MAX_WPA_IE_LEN);
653 os_memcpy(wsr->wpa_ie, vp,
656 case IEEE80211_ELEMID_RSN:
658 min(2+vp[1], SSID_MAX_WPA_IE_LEN);
659 os_memcpy(wsr->rsn_ie, vp,
668 cp += sr->isr_len, len -= sr->isr_len;
671 qsort(results, wsr - results, sizeof(struct wpa_scan_result),
672 wpa_scan_result_compar);
674 wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%d BSSes)",
677 return wsr - results;
682 wpa_driver_bsd_init(void *ctx, const char *ifname)
684 #define GETPARAM(drv, param, v) \
685 (((v) = get80211param(drv, param)) != -1)
686 struct wpa_driver_bsd_data *drv;
688 drv = os_zalloc(sizeof(*drv));
692 * NB: We require the interface name be mappable to an index.
693 * This implies we do not support having wpa_supplicant
694 * wait for an interface to appear. This seems ok; that
695 * doesn't belong here; it's really the job of devd.
697 drv->ifindex = if_nametoindex(ifname);
698 if (drv->ifindex == 0) {
699 wpa_printf(MSG_DEBUG, "%s: interface %s does not exist",
703 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
706 drv->route = socket(PF_ROUTE, SOCK_RAW, 0);
709 eloop_register_read_sock(drv->route,
710 wpa_driver_bsd_event_receive, ctx, drv);
713 os_strncpy(drv->ifname, ifname, sizeof(drv->ifname));
715 if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) {
716 wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s",
717 __func__, strerror(errno));
720 if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) {
721 wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s",
722 __func__, strerror(errno));
725 if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) {
726 wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s",
727 __func__, strerror(errno));
730 if (set80211param(drv, IEEE80211_IOC_ROAMING, IEEE80211_ROAMING_MANUAL) < 0) {
731 wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
732 "roaming: %s", __func__, strerror(errno));
736 if (set80211param(drv, IEEE80211_IOC_WPA, 1+2) < 0) {
737 wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support %s",
738 __func__, strerror(errno));
752 wpa_driver_bsd_deinit(void *priv)
754 struct wpa_driver_bsd_data *drv = priv;
757 eloop_unregister_read_sock(drv->route);
759 /* NB: mark interface down */
760 if (getifflags(drv, &flags) == 0)
761 (void) setifflags(drv, flags &~ IFF_UP);
763 wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy);
764 if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0)
765 wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state",
768 (void) close(drv->route); /* ioctl socket */
769 (void) close(drv->sock); /* event socket */
774 const struct wpa_driver_ops wpa_driver_bsd_ops = {
776 .desc = "BSD 802.11 support (Atheros, etc.)",
777 .init = wpa_driver_bsd_init,
778 .deinit = wpa_driver_bsd_deinit,
779 .get_bssid = wpa_driver_bsd_get_bssid,
780 .get_ssid = wpa_driver_bsd_get_ssid,
781 .set_wpa = wpa_driver_bsd_set_wpa,
782 .set_key = wpa_driver_bsd_set_key,
783 .set_countermeasures = wpa_driver_bsd_set_countermeasures,
784 .set_drop_unencrypted = wpa_driver_bsd_set_drop_unencrypted,
785 .scan = wpa_driver_bsd_scan,
786 .get_scan_results = wpa_driver_bsd_get_scan_results,
787 .deauthenticate = wpa_driver_bsd_deauthenticate,
788 .disassociate = wpa_driver_bsd_disassociate,
789 .associate = wpa_driver_bsd_associate,
790 .set_auth_alg = wpa_driver_bsd_set_auth_alg,