2 * Driver interaction with Linux Host AP driver
3 * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
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>
18 #include "wireless_copy.h"
21 #include "driver_wext.h"
23 #include "driver_hostap.h"
28 #include <net/if_arp.h>
29 #include <netpacket/packet.h>
31 #include "priv_netlink.h"
32 #include "common/ieee802_11_defs.h"
35 /* MTU to be set for the wlan#ap device; this is mainly needed for IEEE 802.1X
36 * frames that might be longer than normal default MTU and they are not
38 #define HOSTAPD_MTU 2290
40 static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
42 struct hostap_driver_data {
43 struct hostapd_data *hapd;
45 char iface[IFNAMSIZ + 1];
46 int sock; /* raw packet socket for driver access */
47 int ioctl_sock; /* socket for ioctl() use */
48 int wext_sock; /* socket for wireless events */
53 size_t generic_ie_len;
59 static int hostapd_ioctl(void *priv, struct prism2_hostapd_param *param,
61 static int hostap_set_iface_flags(void *priv, int dev_up);
63 static void handle_data(struct hostap_driver_data *drv, u8 *buf, size_t len,
66 struct ieee80211_hdr *hdr;
70 union wpa_event_data event;
72 if (len < sizeof(struct ieee80211_hdr))
75 hdr = (struct ieee80211_hdr *) buf;
76 fc = le_to_host16(hdr->frame_control);
78 if ((fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) != WLAN_FC_TODS) {
79 printf("Not ToDS data frame (fc=0x%04x)\n", fc);
84 os_memset(&event, 0, sizeof(event));
85 event.rx_from_unknown.hdr = hdr;
86 event.rx_from_unknown.len = len;
87 wpa_supplicant_event(drv->hapd, EVENT_RX_FROM_UNKNOWN, &event);
89 pos = (u8 *) (hdr + 1);
90 left = len - sizeof(*hdr);
92 if (left < sizeof(rfc1042_header)) {
93 printf("Too short data frame\n");
97 if (memcmp(pos, rfc1042_header, sizeof(rfc1042_header)) != 0) {
98 printf("Data frame with no RFC1042 header\n");
101 pos += sizeof(rfc1042_header);
102 left -= sizeof(rfc1042_header);
105 printf("No ethertype in data frame\n");
109 ethertype = WPA_GET_BE16(pos);
114 hostapd_eapol_receive(drv->hapd, sa, pos, left);
118 printf("Unknown ethertype 0x%04x in data frame\n", ethertype);
124 static void handle_tx_callback(struct hostap_driver_data *drv, u8 *buf,
127 struct ieee80211_hdr *hdr;
129 union wpa_event_data event;
131 hdr = (struct ieee80211_hdr *) buf;
132 fc = le_to_host16(hdr->frame_control);
134 os_memset(&event, 0, sizeof(event));
135 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
136 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
137 event.tx_status.dst = hdr->addr1;
138 event.tx_status.data = buf;
139 event.tx_status.data_len = len;
140 event.tx_status.ack = ok;
141 wpa_supplicant_event(drv->hapd, EVENT_TX_STATUS, &event);
145 static void handle_frame(struct hostap_driver_data *drv, u8 *buf, size_t len)
147 struct ieee80211_hdr *hdr;
148 u16 fc, extra_len, type, stype;
149 unsigned char *extra = NULL;
150 size_t data_len = len;
152 union wpa_event_data event;
154 /* PSPOLL is only 16 bytes, but driver does not (at least yet) pass
155 * these to user space */
157 wpa_printf(MSG_MSGDUMP, "handle_frame: too short (%lu)",
158 (unsigned long) len);
162 hdr = (struct ieee80211_hdr *) buf;
163 fc = le_to_host16(hdr->frame_control);
164 type = WLAN_FC_GET_TYPE(fc);
165 stype = WLAN_FC_GET_STYPE(fc);
167 if (type != WLAN_FC_TYPE_MGMT || stype != WLAN_FC_STYPE_BEACON) {
168 wpa_hexdump(MSG_MSGDUMP, "Received management frame",
172 ver = fc & WLAN_FC_PVER;
174 /* protocol version 3 is reserved for indicating extra data after the
175 * payload, version 2 for indicating ACKed frame (TX callbacks), and
176 * version 1 for indicating failed frame (no ACK, TX callbacks) */
178 u8 *pos = buf + len - 2;
179 extra_len = WPA_GET_LE16(pos);
180 printf("extra data in frame (elen=%d)\n", extra_len);
181 if ((size_t) extra_len + 2 > len) {
182 printf(" extra data overflow\n");
185 len -= extra_len + 2;
187 } else if (ver == 1 || ver == 2) {
188 handle_tx_callback(drv, buf, data_len, ver == 2 ? 1 : 0);
190 } else if (ver != 0) {
191 printf("unknown protocol version %d\n", ver);
196 case WLAN_FC_TYPE_MGMT:
197 os_memset(&event, 0, sizeof(event));
198 event.rx_mgmt.frame = buf;
199 event.rx_mgmt.frame_len = data_len;
200 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
202 case WLAN_FC_TYPE_CTRL:
203 wpa_printf(MSG_DEBUG, "CTRL");
205 case WLAN_FC_TYPE_DATA:
206 wpa_printf(MSG_DEBUG, "DATA");
207 handle_data(drv, buf, data_len, stype);
210 wpa_printf(MSG_DEBUG, "unknown frame type %d", type);
216 static void handle_read(int sock, void *eloop_ctx, void *sock_ctx)
218 struct hostap_driver_data *drv = eloop_ctx;
220 unsigned char buf[3000];
222 len = recv(sock, buf, sizeof(buf), 0);
228 handle_frame(drv, buf, len);
232 static int hostap_init_sockets(struct hostap_driver_data *drv, u8 *own_addr)
235 struct sockaddr_ll addr;
237 drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
239 perror("socket[PF_PACKET,SOCK_RAW]");
243 if (eloop_register_read_sock(drv->sock, handle_read, drv, NULL)) {
244 printf("Could not register read socket\n");
248 memset(&ifr, 0, sizeof(ifr));
249 snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%sap", drv->iface);
250 if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
251 perror("ioctl(SIOCGIFINDEX)");
255 if (hostap_set_iface_flags(drv, 1)) {
259 memset(&addr, 0, sizeof(addr));
260 addr.sll_family = AF_PACKET;
261 addr.sll_ifindex = ifr.ifr_ifindex;
262 wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
265 if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
270 memset(&ifr, 0, sizeof(ifr));
271 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
272 if (ioctl(drv->sock, SIOCGIFHWADDR, &ifr) != 0) {
273 perror("ioctl(SIOCGIFHWADDR)");
277 if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
278 printf("Invalid HW-addr family 0x%04x\n",
279 ifr.ifr_hwaddr.sa_family);
282 os_memcpy(own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
288 static int hostap_send_mlme(void *priv, const u8 *msg, size_t len)
290 struct hostap_driver_data *drv = priv;
291 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) msg;
294 /* Request TX callback */
295 hdr->frame_control |= host_to_le16(BIT(1));
296 res = send(drv->sock, msg, len, 0);
297 hdr->frame_control &= ~host_to_le16(BIT(1));
303 static int hostap_send_eapol(void *priv, const u8 *addr, const u8 *data,
304 size_t data_len, int encrypt, const u8 *own_addr)
306 struct hostap_driver_data *drv = priv;
307 struct ieee80211_hdr *hdr;
312 len = sizeof(*hdr) + sizeof(rfc1042_header) + 2 + data_len;
313 hdr = os_zalloc(len);
315 printf("malloc() failed for hostapd_send_data(len=%lu)\n",
316 (unsigned long) len);
321 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
322 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
324 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
325 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
326 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
327 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
329 pos = (u8 *) (hdr + 1);
330 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
331 pos += sizeof(rfc1042_header);
332 *((u16 *) pos) = htons(ETH_P_PAE);
334 memcpy(pos, data, data_len);
336 res = hostap_send_mlme(drv, (u8 *) hdr, len);
338 wpa_printf(MSG_ERROR, "hostap_send_eapol - packet len: %lu - "
340 (unsigned long) len, errno, strerror(errno));
348 static int hostap_sta_set_flags(void *priv, const u8 *addr,
349 int total_flags, int flags_or, int flags_and)
351 struct hostap_driver_data *drv = priv;
352 struct prism2_hostapd_param param;
354 if (flags_or & WPA_STA_AUTHORIZED)
355 flags_or = BIT(5); /* WLAN_STA_AUTHORIZED */
356 if (!(flags_and & WPA_STA_AUTHORIZED))
360 memset(¶m, 0, sizeof(param));
361 param.cmd = PRISM2_HOSTAPD_SET_FLAGS_STA;
362 memcpy(param.sta_addr, addr, ETH_ALEN);
363 param.u.set_flags_sta.flags_or = flags_or;
364 param.u.set_flags_sta.flags_and = flags_and;
365 return hostapd_ioctl(drv, ¶m, sizeof(param));
369 static int hostap_set_iface_flags(void *priv, int dev_up)
371 struct hostap_driver_data *drv = priv;
374 if (drv->ioctl_sock < 0)
377 memset(&ifr, 0, sizeof(ifr));
378 snprintf(ifr.ifr_name, IFNAMSIZ, "%sap", drv->iface);
380 if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
381 perror("ioctl[SIOCGIFFLAGS]");
386 ifr.ifr_flags |= IFF_UP;
388 ifr.ifr_flags &= ~IFF_UP;
390 if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
391 perror("ioctl[SIOCSIFFLAGS]");
396 memset(&ifr, 0, sizeof(ifr));
397 snprintf(ifr.ifr_name, IFNAMSIZ, "%sap", drv->iface);
398 ifr.ifr_mtu = HOSTAPD_MTU;
399 if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
400 perror("ioctl[SIOCSIFMTU]");
401 printf("Setting MTU failed - trying to survive with "
410 static int hostapd_ioctl(void *priv, struct prism2_hostapd_param *param,
413 struct hostap_driver_data *drv = priv;
416 memset(&iwr, 0, sizeof(iwr));
417 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
418 iwr.u.data.pointer = (caddr_t) param;
419 iwr.u.data.length = len;
421 if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
422 perror("ioctl[PRISM2_IOCTL_HOSTAPD]");
430 static int wpa_driver_hostap_set_key(const char *ifname, void *priv,
431 wpa_alg alg, const u8 *addr, int key_idx,
432 int set_tx, const u8 *seq, size_t seq_len,
433 const u8 *key, size_t key_len)
435 struct hostap_driver_data *drv = priv;
436 struct prism2_hostapd_param *param;
441 blen = sizeof(*param) + key_len;
442 buf = os_zalloc(blen);
446 param = (struct prism2_hostapd_param *) buf;
447 param->cmd = PRISM2_SET_ENCRYPTION;
449 memset(param->sta_addr, 0xff, ETH_ALEN);
451 memcpy(param->sta_addr, addr, ETH_ALEN);
454 os_strlcpy((char *) param->u.crypt.alg, "NONE",
455 HOSTAP_CRYPT_ALG_NAME_LEN);
458 os_strlcpy((char *) param->u.crypt.alg, "WEP",
459 HOSTAP_CRYPT_ALG_NAME_LEN);
462 os_strlcpy((char *) param->u.crypt.alg, "TKIP",
463 HOSTAP_CRYPT_ALG_NAME_LEN);
466 os_strlcpy((char *) param->u.crypt.alg, "CCMP",
467 HOSTAP_CRYPT_ALG_NAME_LEN);
473 param->u.crypt.flags = set_tx ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
474 param->u.crypt.idx = key_idx;
475 param->u.crypt.key_len = key_len;
476 memcpy((u8 *) (param + 1), key, key_len);
478 if (hostapd_ioctl(drv, param, blen)) {
479 printf("Failed to set encryption.\n");
488 static int hostap_get_seqnum(const char *ifname, void *priv, const u8 *addr,
491 struct hostap_driver_data *drv = priv;
492 struct prism2_hostapd_param *param;
497 blen = sizeof(*param) + 32;
498 buf = os_zalloc(blen);
502 param = (struct prism2_hostapd_param *) buf;
503 param->cmd = PRISM2_GET_ENCRYPTION;
505 memset(param->sta_addr, 0xff, ETH_ALEN);
507 memcpy(param->sta_addr, addr, ETH_ALEN);
508 param->u.crypt.idx = idx;
510 if (hostapd_ioctl(drv, param, blen)) {
511 printf("Failed to get encryption.\n");
514 memcpy(seq, param->u.crypt.seq, 8);
522 static int hostap_ioctl_prism2param(void *priv, int param, int value)
524 struct hostap_driver_data *drv = priv;
528 memset(&iwr, 0, sizeof(iwr));
529 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
530 i = (int *) iwr.u.name;
534 if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
535 perror("ioctl[PRISM2_IOCTL_PRISM2_PARAM]");
543 static int hostap_set_ieee8021x(void *priv, struct wpa_bss_params *params)
545 struct hostap_driver_data *drv = priv;
546 int enabled = params->enabled;
548 /* enable kernel driver support for IEEE 802.1X */
549 if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_IEEE_802_1X, enabled)) {
550 printf("Could not setup IEEE 802.1X support in kernel driver."
558 /* use host driver implementation of encryption to allow
559 * individual keys and passing plaintext EAPOL frames */
560 if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_DECRYPT, 1) ||
561 hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_ENCRYPT, 1)) {
562 printf("Could not setup host-based encryption in kernel "
571 static int hostap_set_privacy(const char *ifname, void *priv, int enabled)
573 struct hostap_drvier_data *drv = priv;
575 return hostap_ioctl_prism2param(drv, PRISM2_PARAM_PRIVACY_INVOKED,
580 static int hostap_set_ssid(const char *ifname, void *priv, const u8 *buf,
583 struct hostap_driver_data *drv = priv;
586 memset(&iwr, 0, sizeof(iwr));
587 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
588 iwr.u.essid.flags = 1; /* SSID active */
589 iwr.u.essid.pointer = (caddr_t) buf;
590 iwr.u.essid.length = len + 1;
592 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
593 perror("ioctl[SIOCSIWESSID]");
594 printf("len=%d\n", len);
602 static int hostap_flush(void *priv)
604 struct hostap_driver_data *drv = priv;
605 struct prism2_hostapd_param param;
607 memset(¶m, 0, sizeof(param));
608 param.cmd = PRISM2_HOSTAPD_FLUSH;
609 return hostapd_ioctl(drv, ¶m, sizeof(param));
613 static int hostap_read_sta_data(void *priv,
614 struct hostap_sta_driver_data *data,
617 struct hostap_driver_data *drv = priv;
618 char buf[1024], line[128], *pos;
622 memset(data, 0, sizeof(*data));
623 snprintf(buf, sizeof(buf), "/proc/net/hostap/%s/" MACSTR,
624 drv->iface, MAC2STR(addr));
629 /* Need to read proc file with in one piece, so use large enough
631 setbuffer(f, buf, sizeof(buf));
633 while (fgets(line, sizeof(line), f)) {
634 pos = strchr(line, '=');
638 val = strtoul(pos, NULL, 10);
639 if (strcmp(line, "rx_packets") == 0)
640 data->rx_packets = val;
641 else if (strcmp(line, "tx_packets") == 0)
642 data->tx_packets = val;
643 else if (strcmp(line, "rx_bytes") == 0)
644 data->rx_bytes = val;
645 else if (strcmp(line, "tx_bytes") == 0)
646 data->tx_bytes = val;
655 static int hostap_sta_add(const char *ifname, void *priv,
656 struct hostapd_sta_add_params *params)
658 struct hostap_driver_data *drv = priv;
659 struct prism2_hostapd_param param;
660 int tx_supp_rates = 0;
663 #define WLAN_RATE_1M BIT(0)
664 #define WLAN_RATE_2M BIT(1)
665 #define WLAN_RATE_5M5 BIT(2)
666 #define WLAN_RATE_11M BIT(3)
668 for (i = 0; i < params->supp_rates_len; i++) {
669 if ((params->supp_rates[i] & 0x7f) == 2)
670 tx_supp_rates |= WLAN_RATE_1M;
671 if ((params->supp_rates[i] & 0x7f) == 4)
672 tx_supp_rates |= WLAN_RATE_2M;
673 if ((params->supp_rates[i] & 0x7f) == 11)
674 tx_supp_rates |= WLAN_RATE_5M5;
675 if ((params->supp_rates[i] & 0x7f) == 22)
676 tx_supp_rates |= WLAN_RATE_11M;
679 memset(¶m, 0, sizeof(param));
680 param.cmd = PRISM2_HOSTAPD_ADD_STA;
681 memcpy(param.sta_addr, params->addr, ETH_ALEN);
682 param.u.add_sta.aid = params->aid;
683 param.u.add_sta.capability = params->capability;
684 param.u.add_sta.tx_supp_rates = tx_supp_rates;
685 return hostapd_ioctl(drv, ¶m, sizeof(param));
689 static int hostap_sta_remove(void *priv, const u8 *addr)
691 struct hostap_driver_data *drv = priv;
692 struct prism2_hostapd_param param;
694 hostap_sta_set_flags(drv, addr, 0, 0, ~WPA_STA_AUTHORIZED);
696 memset(¶m, 0, sizeof(param));
697 param.cmd = PRISM2_HOSTAPD_REMOVE_STA;
698 memcpy(param.sta_addr, addr, ETH_ALEN);
699 if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
700 printf("Could not remove station from kernel driver.\n");
707 static int hostap_get_inact_sec(void *priv, const u8 *addr)
709 struct hostap_driver_data *drv = priv;
710 struct prism2_hostapd_param param;
712 memset(¶m, 0, sizeof(param));
713 param.cmd = PRISM2_HOSTAPD_GET_INFO_STA;
714 memcpy(param.sta_addr, addr, ETH_ALEN);
715 if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
719 return param.u.get_info_sta.inactive_sec;
723 static int hostap_sta_clear_stats(void *priv, const u8 *addr)
725 struct hostap_driver_data *drv = priv;
726 struct prism2_hostapd_param param;
728 memset(¶m, 0, sizeof(param));
729 param.cmd = PRISM2_HOSTAPD_STA_CLEAR_STATS;
730 memcpy(param.sta_addr, addr, ETH_ALEN);
731 if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
739 static int hostapd_ioctl_set_generic_elem(struct hostap_driver_data *drv)
741 struct prism2_hostapd_param *param;
743 size_t blen, elem_len;
745 elem_len = drv->generic_ie_len + drv->wps_ie_len;
746 blen = PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN + elem_len;
747 if (blen < sizeof(*param))
748 blen = sizeof(*param);
750 param = os_zalloc(blen);
754 param->cmd = PRISM2_HOSTAPD_SET_GENERIC_ELEMENT;
755 param->u.generic_elem.len = elem_len;
756 if (drv->generic_ie) {
757 os_memcpy(param->u.generic_elem.data, drv->generic_ie,
758 drv->generic_ie_len);
761 os_memcpy(¶m->u.generic_elem.data[drv->generic_ie_len],
762 drv->wps_ie, drv->wps_ie_len);
764 wpa_hexdump(MSG_DEBUG, "hostap: Set generic IE",
765 param->u.generic_elem.data, elem_len);
766 res = hostapd_ioctl(drv, param, blen);
774 static int hostap_set_generic_elem(const char *ifname, void *priv,
775 const u8 *elem, size_t elem_len)
777 struct hostap_driver_data *drv = priv;
779 os_free(drv->generic_ie);
780 drv->generic_ie = NULL;
781 drv->generic_ie_len = 0;
783 drv->generic_ie = os_malloc(elem_len);
784 if (drv->generic_ie == NULL)
786 os_memcpy(drv->generic_ie, elem, elem_len);
787 drv->generic_ie_len = elem_len;
790 return hostapd_ioctl_set_generic_elem(drv);
794 static int hostap_set_wps_beacon_ie(const char *ifname, void *priv,
795 const u8 *ie, size_t len)
797 /* Host AP driver supports only one set of extra IEs, so we need to
798 * use the ProbeResp IEs also for Beacon frames since they include more
804 static int hostap_set_wps_probe_resp_ie(const char *ifname, void *priv,
805 const u8 *ie, size_t len)
807 struct hostap_driver_data *drv = priv;
809 os_free(drv->wps_ie);
813 drv->wps_ie = os_malloc(len);
814 if (drv->wps_ie == NULL)
816 os_memcpy(drv->wps_ie, ie, len);
817 drv->wps_ie_len = len;
820 return hostapd_ioctl_set_generic_elem(drv);
825 hostapd_wireless_event_wireless_custom(struct hostap_driver_data *drv,
828 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
830 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
833 pos = strstr(custom, "addr=");
835 wpa_printf(MSG_DEBUG,
836 "MLME-MICHAELMICFAILURE.indication "
837 "without sender address ignored");
841 if (hwaddr_aton(pos, addr) == 0) {
842 union wpa_event_data data;
843 os_memset(&data, 0, sizeof(data));
844 data.michael_mic_failure.unicast = 1;
845 data.michael_mic_failure.src = addr;
846 wpa_supplicant_event(drv->hapd,
847 EVENT_MICHAEL_MIC_FAILURE, &data);
849 wpa_printf(MSG_DEBUG,
850 "MLME-MICHAELMICFAILURE.indication "
851 "with invalid MAC address");
857 static void hostapd_wireless_event_wireless(struct hostap_driver_data *drv,
860 struct iw_event iwe_buf, *iwe = &iwe_buf;
861 char *pos, *end, *custom, *buf;
866 while (pos + IW_EV_LCP_LEN <= end) {
867 /* Event data may be unaligned, so make a local, aligned copy
868 * before processing. */
869 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
870 wpa_printf(MSG_DEBUG, "Wireless event: cmd=0x%x len=%d",
872 if (iwe->len <= IW_EV_LCP_LEN)
875 custom = pos + IW_EV_POINT_LEN;
876 if (drv->we_version > 18 &&
877 (iwe->cmd == IWEVMICHAELMICFAILURE ||
878 iwe->cmd == IWEVCUSTOM)) {
879 /* WE-19 removed the pointer from struct iw_point */
880 char *dpos = (char *) &iwe_buf.u.data.length;
881 int dlen = dpos - (char *) &iwe_buf;
882 memcpy(dpos, pos + IW_EV_LCP_LEN,
883 sizeof(struct iw_event) - dlen);
885 memcpy(&iwe_buf, pos, sizeof(struct iw_event));
886 custom += IW_EV_POINT_OFF;
891 if (custom + iwe->u.data.length > end)
893 buf = malloc(iwe->u.data.length + 1);
896 memcpy(buf, custom, iwe->u.data.length);
897 buf[iwe->u.data.length] = '\0';
898 hostapd_wireless_event_wireless_custom(drv, buf);
908 static void hostapd_wireless_event_rtm_newlink(struct hostap_driver_data *drv,
909 struct nlmsghdr *h, int len)
911 struct ifinfomsg *ifi;
912 int attrlen, nlmsg_len, rta_len;
913 struct rtattr * attr;
915 if (len < (int) sizeof(*ifi))
920 /* TODO: use ifi->ifi_index to filter out wireless events from other
923 nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
925 attrlen = NLMSG_PAYLOAD(h, sizeof(struct ifinfomsg));
929 attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
931 rta_len = RTA_ALIGN(sizeof(struct rtattr));
932 while (RTA_OK(attr, attrlen)) {
933 if (attr->rta_type == IFLA_WIRELESS) {
934 hostapd_wireless_event_wireless(
935 drv, ((char *) attr) + rta_len,
936 attr->rta_len - rta_len);
938 attr = RTA_NEXT(attr, attrlen);
943 static void hostapd_wireless_event_receive(int sock, void *eloop_ctx,
948 struct sockaddr_nl from;
951 struct hostap_driver_data *drv = eloop_ctx;
953 fromlen = sizeof(from);
954 left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
955 (struct sockaddr *) &from, &fromlen);
957 if (errno != EINTR && errno != EAGAIN)
958 perror("recvfrom(netlink)");
962 h = (struct nlmsghdr *) buf;
963 while (left >= (int) sizeof(*h)) {
967 plen = len - sizeof(*h);
968 if (len > left || plen < 0) {
969 printf("Malformed netlink message: "
970 "len=%d left=%d plen=%d\n",
975 switch (h->nlmsg_type) {
977 hostapd_wireless_event_rtm_newlink(drv, h, plen);
981 len = NLMSG_ALIGN(len);
983 h = (struct nlmsghdr *) ((char *) h + len);
987 printf("%d extra bytes in the end of netlink message\n", left);
992 static int hostap_get_we_version(struct hostap_driver_data *drv)
994 struct iw_range *range;
1002 * Use larger buffer than struct iw_range in order to allow the
1003 * structure to grow in the future.
1005 buflen = sizeof(struct iw_range) + 500;
1006 range = os_zalloc(buflen);
1010 memset(&iwr, 0, sizeof(iwr));
1011 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1012 iwr.u.data.pointer = (caddr_t) range;
1013 iwr.u.data.length = buflen;
1015 minlen = ((char *) &range->enc_capa) - (char *) range +
1016 sizeof(range->enc_capa);
1018 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1019 perror("ioctl[SIOCGIWRANGE]");
1022 } else if (iwr.u.data.length >= minlen &&
1023 range->we_version_compiled >= 18) {
1024 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1025 "WE(source)=%d enc_capa=0x%x",
1026 range->we_version_compiled,
1027 range->we_version_source,
1029 drv->we_version = range->we_version_compiled;
1037 static int hostap_wireless_event_init(struct hostap_driver_data *drv)
1040 struct sockaddr_nl local;
1042 hostap_get_we_version(drv);
1044 drv->wext_sock = -1;
1046 s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
1048 perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
1052 memset(&local, 0, sizeof(local));
1053 local.nl_family = AF_NETLINK;
1054 local.nl_groups = RTMGRP_LINK;
1055 if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
1056 perror("bind(netlink)");
1061 eloop_register_read_sock(s, hostapd_wireless_event_receive, drv,
1069 static void hostap_wireless_event_deinit(struct hostap_driver_data *drv)
1071 if (drv->wext_sock < 0)
1073 eloop_unregister_read_sock(drv->wext_sock);
1074 close(drv->wext_sock);
1078 static void * hostap_init(struct hostapd_data *hapd,
1079 struct wpa_init_params *params)
1081 struct hostap_driver_data *drv;
1083 drv = os_zalloc(sizeof(struct hostap_driver_data));
1085 printf("Could not allocate memory for hostapd driver data\n");
1090 drv->ioctl_sock = drv->sock = -1;
1091 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1093 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1094 if (drv->ioctl_sock < 0) {
1095 perror("socket[PF_INET,SOCK_DGRAM]");
1100 if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 1)) {
1101 printf("Could not enable hostapd mode for interface %s\n",
1103 close(drv->ioctl_sock);
1108 if (hostap_init_sockets(drv, params->own_addr) ||
1109 hostap_wireless_event_init(drv)) {
1110 close(drv->ioctl_sock);
1119 static void hostap_driver_deinit(void *priv)
1121 struct hostap_driver_data *drv = priv;
1123 hostap_wireless_event_deinit(drv);
1124 (void) hostap_set_iface_flags(drv, 0);
1125 (void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 0);
1126 (void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD_STA, 0);
1128 if (drv->ioctl_sock >= 0)
1129 close(drv->ioctl_sock);
1134 os_free(drv->generic_ie);
1135 os_free(drv->wps_ie);
1141 static int hostap_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
1144 struct hostap_driver_data *drv = priv;
1145 struct ieee80211_mgmt mgmt;
1147 memset(&mgmt, 0, sizeof(mgmt));
1148 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1149 WLAN_FC_STYPE_DEAUTH);
1150 memcpy(mgmt.da, addr, ETH_ALEN);
1151 memcpy(mgmt.sa, own_addr, ETH_ALEN);
1152 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
1153 mgmt.u.deauth.reason_code = host_to_le16(reason);
1154 return hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
1155 sizeof(mgmt.u.deauth));
1159 static int hostap_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
1162 struct hostap_driver_data *drv = priv;
1163 struct ieee80211_mgmt mgmt;
1165 memset(&mgmt, 0, sizeof(mgmt));
1166 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1167 WLAN_FC_STYPE_DISASSOC);
1168 memcpy(mgmt.da, addr, ETH_ALEN);
1169 memcpy(mgmt.sa, own_addr, ETH_ALEN);
1170 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
1171 mgmt.u.disassoc.reason_code = host_to_le16(reason);
1172 return hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
1173 sizeof(mgmt.u.disassoc));
1177 static struct hostapd_hw_modes * hostap_get_hw_feature_data(void *priv,
1181 struct hostapd_hw_modes *mode;
1183 const short chan2freq[14] = {
1184 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1185 2447, 2452, 2457, 2462, 2467, 2472, 2484
1188 mode = os_zalloc(sizeof(struct hostapd_hw_modes));
1195 mode->mode = HOSTAPD_MODE_IEEE80211B;
1196 mode->num_channels = 14;
1197 mode->num_rates = 4;
1199 clen = mode->num_channels * sizeof(struct hostapd_channel_data);
1200 rlen = mode->num_rates * sizeof(int);
1202 mode->channels = os_zalloc(clen);
1203 mode->rates = os_zalloc(rlen);
1204 if (mode->channels == NULL || mode->rates == NULL) {
1205 os_free(mode->channels);
1206 os_free(mode->rates);
1211 for (i = 0; i < 14; i++) {
1212 mode->channels[i].chan = i + 1;
1213 mode->channels[i].freq = chan2freq[i];
1214 /* TODO: Get allowed channel list from the driver */
1216 mode->channels[i].flag = HOSTAPD_CHAN_DISABLED;
1219 mode->rates[0] = 10;
1220 mode->rates[1] = 20;
1221 mode->rates[2] = 55;
1222 mode->rates[3] = 110;
1229 struct wpa_driver_hostap_data {
1230 void *wext; /* private data for driver_wext */
1232 char ifname[IFNAMSIZ + 1];
1234 int current_mode; /* infra/adhoc */
1238 static int wpa_driver_hostap_set_auth_alg(void *priv, int auth_alg);
1241 static int hostapd_ioctl(struct wpa_driver_hostap_data *drv,
1242 struct prism2_hostapd_param *param,
1243 int len, int show_err)
1247 os_memset(&iwr, 0, sizeof(iwr));
1248 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1249 iwr.u.data.pointer = (caddr_t) param;
1250 iwr.u.data.length = len;
1252 if (ioctl(drv->sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
1255 perror("ioctl[PRISM2_IOCTL_HOSTAPD]");
1263 static int wpa_driver_hostap_set_wpa_ie(struct wpa_driver_hostap_data *drv,
1264 const u8 *wpa_ie, size_t wpa_ie_len)
1266 struct prism2_hostapd_param *param;
1268 size_t blen = PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN + wpa_ie_len;
1269 if (blen < sizeof(*param))
1270 blen = sizeof(*param);
1272 param = os_zalloc(blen);
1276 param->cmd = PRISM2_HOSTAPD_SET_GENERIC_ELEMENT;
1277 param->u.generic_elem.len = wpa_ie_len;
1278 os_memcpy(param->u.generic_elem.data, wpa_ie, wpa_ie_len);
1279 res = hostapd_ioctl(drv, param, blen, 1);
1287 static int prism2param(struct wpa_driver_hostap_data *drv, int param,
1293 os_memset(&iwr, 0, sizeof(iwr));
1294 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1295 i = (int *) iwr.u.name;
1299 if (ioctl(drv->sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
1300 perror("ioctl[PRISM2_IOCTL_PRISM2_PARAM]");
1307 static int wpa_driver_hostap_set_wpa(void *priv, int enabled)
1309 struct wpa_driver_hostap_data *drv = priv;
1312 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1314 if (!enabled && wpa_driver_hostap_set_wpa_ie(drv, NULL, 0) < 0)
1316 if (prism2param(drv, PRISM2_PARAM_HOST_ROAMING, enabled ? 2 : 0) < 0)
1318 if (prism2param(drv, PRISM2_PARAM_WPA, enabled) < 0)
1325 static void show_set_key_error(struct prism2_hostapd_param *param)
1327 switch (param->u.crypt.err) {
1328 case HOSTAP_CRYPT_ERR_UNKNOWN_ALG:
1329 wpa_printf(MSG_INFO, "Unknown algorithm '%s'.",
1330 param->u.crypt.alg);
1331 wpa_printf(MSG_INFO, "You may need to load kernel module to "
1332 "register that algorithm.");
1333 wpa_printf(MSG_INFO, "E.g., 'modprobe hostap_crypt_wep' for "
1336 case HOSTAP_CRYPT_ERR_UNKNOWN_ADDR:
1337 wpa_printf(MSG_INFO, "Unknown address " MACSTR ".",
1338 MAC2STR(param->sta_addr));
1340 case HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED:
1341 wpa_printf(MSG_INFO, "Crypt algorithm initialization failed.");
1343 case HOSTAP_CRYPT_ERR_KEY_SET_FAILED:
1344 wpa_printf(MSG_INFO, "Key setting failed.");
1346 case HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED:
1347 wpa_printf(MSG_INFO, "TX key index setting failed.");
1349 case HOSTAP_CRYPT_ERR_CARD_CONF_FAILED:
1350 wpa_printf(MSG_INFO, "Card configuration failed.");
1356 static int wpa_driver_hostap_set_key(const char *ifname, void *priv,
1357 wpa_alg alg, const u8 *addr, int key_idx,
1358 int set_tx, const u8 *seq, size_t seq_len,
1359 const u8 *key, size_t key_len)
1361 struct wpa_driver_hostap_data *drv = priv;
1362 struct prism2_hostapd_param *param;
1385 wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
1386 "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
1387 (unsigned long) seq_len, (unsigned long) key_len);
1392 blen = sizeof(*param) + key_len;
1393 buf = os_zalloc(blen);
1397 param = (struct prism2_hostapd_param *) buf;
1398 param->cmd = PRISM2_SET_ENCRYPTION;
1399 /* TODO: In theory, STA in client mode can use five keys; four default
1400 * keys for receiving (with keyidx 0..3) and one individual key for
1401 * both transmitting and receiving (keyidx 0) _unicast_ packets. Now,
1402 * keyidx 0 is reserved for this unicast use and default keys can only
1403 * use keyidx 1..3 (i.e., default key with keyidx 0 is not supported).
1404 * This should be fine for more or less all cases, but for completeness
1405 * sake, the driver could be enhanced to support the missing key. */
1408 os_memset(param->sta_addr, 0xff, ETH_ALEN);
1410 os_memcpy(param->sta_addr, addr, ETH_ALEN);
1412 os_memset(param->sta_addr, 0xff, ETH_ALEN);
1414 os_strlcpy((char *) param->u.crypt.alg, alg_name,
1415 HOSTAP_CRYPT_ALG_NAME_LEN);
1416 param->u.crypt.flags = set_tx ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
1417 param->u.crypt.idx = key_idx;
1418 os_memcpy(param->u.crypt.seq, seq, seq_len);
1419 param->u.crypt.key_len = key_len;
1420 os_memcpy((u8 *) (param + 1), key, key_len);
1422 if (hostapd_ioctl(drv, param, blen, 1)) {
1423 wpa_printf(MSG_WARNING, "Failed to set encryption.");
1424 show_set_key_error(param);
1433 static int wpa_driver_hostap_set_countermeasures(void *priv, int enabled)
1435 struct wpa_driver_hostap_data *drv = priv;
1436 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1437 return prism2param(drv, PRISM2_PARAM_TKIP_COUNTERMEASURES, enabled);
1441 static int wpa_driver_hostap_reset(struct wpa_driver_hostap_data *drv,
1447 wpa_printf(MSG_DEBUG, "%s: type=%d", __FUNCTION__, type);
1449 os_memset(&iwr, 0, sizeof(iwr));
1450 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1451 i = (int *) iwr.u.name;
1454 if (ioctl(drv->sock, PRISM2_IOCTL_RESET, &iwr) < 0) {
1455 perror("ioctl[PRISM2_IOCTL_RESET]");
1462 static int wpa_driver_hostap_mlme(struct wpa_driver_hostap_data *drv,
1463 const u8 *addr, int cmd, int reason_code)
1465 struct prism2_hostapd_param param;
1468 /* There does not seem to be a better way of deauthenticating or
1469 * disassociating with Prism2/2.5/3 than sending the management frame
1470 * and then resetting the Port0 to make sure both the AP and the STA
1471 * end up in disconnected state. */
1472 os_memset(¶m, 0, sizeof(param));
1473 param.cmd = PRISM2_HOSTAPD_MLME;
1474 os_memcpy(param.sta_addr, addr, ETH_ALEN);
1475 param.u.mlme.cmd = cmd;
1476 param.u.mlme.reason_code = reason_code;
1477 ret = hostapd_ioctl(drv, ¶m, sizeof(param), 1);
1479 os_sleep(0, 100000);
1480 ret = wpa_driver_hostap_reset(drv, 2);
1486 static int wpa_driver_hostap_deauthenticate(void *priv, const u8 *addr,
1489 struct wpa_driver_hostap_data *drv = priv;
1490 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1491 return wpa_driver_hostap_mlme(drv, addr, MLME_STA_DEAUTH,
1496 static int wpa_driver_hostap_disassociate(void *priv, const u8 *addr,
1499 struct wpa_driver_hostap_data *drv = priv;
1500 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1501 return wpa_driver_hostap_mlme(drv, addr, MLME_STA_DISASSOC,
1507 wpa_driver_hostap_associate(void *priv,
1508 struct wpa_driver_associate_params *params)
1510 struct wpa_driver_hostap_data *drv = priv;
1512 int allow_unencrypted_eapol;
1514 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1516 if (prism2param(drv, PRISM2_PARAM_DROP_UNENCRYPTED,
1517 params->drop_unencrypted) < 0)
1519 if (wpa_driver_hostap_set_auth_alg(drv, params->auth_alg) < 0)
1521 if (params->mode != drv->current_mode) {
1522 /* At the moment, Host AP driver requires host_roaming=2 for
1523 * infrastructure mode and host_roaming=0 for adhoc. */
1524 if (prism2param(drv, PRISM2_PARAM_HOST_ROAMING,
1525 params->mode == IEEE80211_MODE_IBSS ? 0 : 2) <
1527 wpa_printf(MSG_DEBUG, "%s: failed to set host_roaming",
1530 drv->current_mode = params->mode;
1533 if (prism2param(drv, PRISM2_PARAM_PRIVACY_INVOKED,
1534 params->key_mgmt_suite != KEY_MGMT_NONE) < 0)
1536 if (wpa_driver_hostap_set_wpa_ie(drv, params->wpa_ie,
1537 params->wpa_ie_len) < 0)
1539 if (wpa_driver_wext_set_mode(drv->wext, params->mode) < 0)
1542 wpa_driver_wext_set_freq(drv->wext, params->freq) < 0)
1544 if (wpa_driver_wext_set_ssid(drv->wext, params->ssid, params->ssid_len)
1547 if (wpa_driver_wext_set_bssid(drv->wext, params->bssid) < 0)
1550 /* Allow unencrypted EAPOL messages even if pairwise keys are set when
1551 * not using WPA. IEEE 802.1X specifies that these frames are not
1552 * encrypted, but WPA encrypts them when pairwise keys are in use. */
1553 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
1554 params->key_mgmt_suite == KEY_MGMT_PSK)
1555 allow_unencrypted_eapol = 0;
1557 allow_unencrypted_eapol = 1;
1559 if (prism2param(drv, PRISM2_PARAM_IEEE_802_1X,
1560 allow_unencrypted_eapol) < 0) {
1561 wpa_printf(MSG_DEBUG, "hostap: Failed to configure "
1562 "ieee_802_1x param");
1563 /* Ignore this error.. driver_hostap.c can also be used with
1564 * other drivers that do not support this prism2_param. */
1571 static int wpa_driver_hostap_scan(void *priv,
1572 struct wpa_driver_scan_params *params)
1574 struct wpa_driver_hostap_data *drv = priv;
1575 struct prism2_hostapd_param param;
1577 const u8 *ssid = params->ssids[0].ssid;
1578 size_t ssid_len = params->ssids[0].ssid_len;
1581 /* Use standard Linux Wireless Extensions ioctl if possible
1582 * because some drivers using hostap code in wpa_supplicant
1583 * might not support Host AP specific scan request (with SSID
1585 return wpa_driver_wext_scan(drv->wext, params);
1591 os_memset(¶m, 0, sizeof(param));
1592 param.cmd = PRISM2_HOSTAPD_SCAN_REQ;
1593 param.u.scan_req.ssid_len = ssid_len;
1594 os_memcpy(param.u.scan_req.ssid, ssid, ssid_len);
1595 ret = hostapd_ioctl(drv, ¶m, sizeof(param), 1);
1597 /* Not all drivers generate "scan completed" wireless event, so try to
1598 * read results after a timeout. */
1599 eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext,
1601 eloop_register_timeout(3, 0, wpa_driver_wext_scan_timeout, drv->wext,
1608 static int wpa_driver_hostap_set_auth_alg(void *priv, int auth_alg)
1610 struct wpa_driver_hostap_data *drv = priv;
1613 if (auth_alg & AUTH_ALG_OPEN_SYSTEM)
1615 if (auth_alg & AUTH_ALG_SHARED_KEY)
1617 if (auth_alg & AUTH_ALG_LEAP)
1620 algs = 1; /* at least one algorithm should be set */
1622 return prism2param(drv, PRISM2_PARAM_AP_AUTH_ALGS, algs);
1626 static int wpa_driver_hostap_get_bssid(void *priv, u8 *bssid)
1628 struct wpa_driver_hostap_data *drv = priv;
1629 return wpa_driver_wext_get_bssid(drv->wext, bssid);
1633 static int wpa_driver_hostap_get_ssid(void *priv, u8 *ssid)
1635 struct wpa_driver_hostap_data *drv = priv;
1636 return wpa_driver_wext_get_ssid(drv->wext, ssid);
1640 static struct wpa_scan_results * wpa_driver_hostap_get_scan_results(void *priv)
1642 struct wpa_driver_hostap_data *drv = priv;
1643 return wpa_driver_wext_get_scan_results(drv->wext);
1647 static int wpa_driver_hostap_set_operstate(void *priv, int state)
1649 struct wpa_driver_hostap_data *drv = priv;
1650 return wpa_driver_wext_set_operstate(drv->wext, state);
1654 static void * wpa_driver_hostap_init(void *ctx, const char *ifname)
1656 struct wpa_driver_hostap_data *drv;
1658 drv = os_zalloc(sizeof(*drv));
1661 drv->wext = wpa_driver_wext_init(ctx, ifname);
1662 if (drv->wext == NULL) {
1668 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1669 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1670 if (drv->sock < 0) {
1672 wpa_driver_wext_deinit(drv->wext);
1677 if (os_strncmp(ifname, "wlan", 4) == 0) {
1679 * Host AP driver may use both wlan# and wifi# interface in
1682 char ifname2[IFNAMSIZ + 1];
1683 os_strlcpy(ifname2, ifname, sizeof(ifname2));
1684 os_memcpy(ifname2, "wifi", 4);
1685 wpa_driver_wext_alternative_ifindex(drv->wext, ifname2);
1688 wpa_driver_hostap_set_wpa(drv, 1);
1694 static void wpa_driver_hostap_deinit(void *priv)
1696 struct wpa_driver_hostap_data *drv = priv;
1697 wpa_driver_hostap_set_wpa(drv, 0);
1698 wpa_driver_wext_deinit(drv->wext);
1703 #endif /* HOSTAPD */
1706 const struct wpa_driver_ops wpa_driver_hostap_ops = {
1708 .desc = "Host AP driver (Intersil Prism2/2.5/3)",
1709 .set_key = wpa_driver_hostap_set_key,
1711 .hapd_init = hostap_init,
1712 .hapd_deinit = hostap_driver_deinit,
1713 .set_ieee8021x = hostap_set_ieee8021x,
1714 .set_privacy = hostap_set_privacy,
1715 .get_seqnum = hostap_get_seqnum,
1716 .flush = hostap_flush,
1717 .set_generic_elem = hostap_set_generic_elem,
1718 .read_sta_data = hostap_read_sta_data,
1719 .hapd_send_eapol = hostap_send_eapol,
1720 .sta_set_flags = hostap_sta_set_flags,
1721 .sta_deauth = hostap_sta_deauth,
1722 .sta_disassoc = hostap_sta_disassoc,
1723 .sta_remove = hostap_sta_remove,
1724 .hapd_set_ssid = hostap_set_ssid,
1725 .send_mlme = hostap_send_mlme,
1726 .sta_add = hostap_sta_add,
1727 .get_inact_sec = hostap_get_inact_sec,
1728 .sta_clear_stats = hostap_sta_clear_stats,
1729 .get_hw_feature_data = hostap_get_hw_feature_data,
1730 .set_wps_beacon_ie = hostap_set_wps_beacon_ie,
1731 .set_wps_probe_resp_ie = hostap_set_wps_probe_resp_ie,
1733 .get_bssid = wpa_driver_hostap_get_bssid,
1734 .get_ssid = wpa_driver_hostap_get_ssid,
1735 .set_countermeasures = wpa_driver_hostap_set_countermeasures,
1736 .scan2 = wpa_driver_hostap_scan,
1737 .get_scan_results2 = wpa_driver_hostap_get_scan_results,
1738 .deauthenticate = wpa_driver_hostap_deauthenticate,
1739 .disassociate = wpa_driver_hostap_disassociate,
1740 .associate = wpa_driver_hostap_associate,
1741 .init = wpa_driver_hostap_init,
1742 .deinit = wpa_driver_hostap_deinit,
1743 .set_operstate = wpa_driver_hostap_set_operstate,
1744 #endif /* HOSTAPD */