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 "ieee802_11_defs.h"
33 #include "../../hostapd/hostapd.h"
34 #include "../../hostapd/hw_features.h"
35 #include "../../hostapd/sta_flags.h"
38 /* MTU to be set for the wlan#ap device; this is mainly needed for IEEE 802.1X
39 * frames that might be longer than normal default MTU and they are not
41 #define HOSTAPD_MTU 2290
43 static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
45 struct hostap_driver_data {
46 struct hostapd_data *hapd;
48 char iface[IFNAMSIZ + 1];
49 int sock; /* raw packet socket for driver access */
50 int ioctl_sock; /* socket for ioctl() use */
51 int wext_sock; /* socket for wireless events */
56 size_t generic_ie_len;
62 static int hostapd_ioctl(void *priv, struct prism2_hostapd_param *param,
64 static int hostap_set_iface_flags(void *priv, int dev_up);
66 static void handle_data(struct hostap_driver_data *drv, u8 *buf, size_t len,
69 struct ieee80211_hdr *hdr;
74 if (len < sizeof(struct ieee80211_hdr))
77 hdr = (struct ieee80211_hdr *) buf;
78 fc = le_to_host16(hdr->frame_control);
80 if ((fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) != WLAN_FC_TODS) {
81 printf("Not ToDS data frame (fc=0x%04x)\n", fc);
86 hostapd_rx_from_unknown_sta(drv->hapd, hdr, len);
88 pos = (u8 *) (hdr + 1);
89 left = len - sizeof(*hdr);
91 if (left < sizeof(rfc1042_header)) {
92 printf("Too short data frame\n");
96 if (memcmp(pos, rfc1042_header, sizeof(rfc1042_header)) != 0) {
97 printf("Data frame with no RFC1042 header\n");
100 pos += sizeof(rfc1042_header);
101 left -= sizeof(rfc1042_header);
104 printf("No ethertype in data frame\n");
108 ethertype = WPA_GET_BE16(pos);
113 hostapd_eapol_receive(drv->hapd, sa, pos, left);
117 printf("Unknown ethertype 0x%04x in data frame\n", ethertype);
123 static void handle_tx_callback(struct hostap_driver_data *drv, u8 *buf,
126 struct ieee80211_hdr *hdr;
129 hdr = (struct ieee80211_hdr *) buf;
130 fc = le_to_host16(hdr->frame_control);
132 type = WLAN_FC_GET_TYPE(fc);
133 stype = WLAN_FC_GET_STYPE(fc);
136 case WLAN_FC_TYPE_MGMT:
137 wpa_printf(MSG_DEBUG, "MGMT (TX callback) %s",
138 ok ? "ACK" : "fail");
139 hostapd_mgmt_tx_cb(drv->hapd, buf, len, stype, ok);
141 case WLAN_FC_TYPE_CTRL:
142 wpa_printf(MSG_DEBUG, "CTRL (TX callback) %s",
143 ok ? "ACK" : "fail");
145 case WLAN_FC_TYPE_DATA:
146 wpa_printf(MSG_DEBUG, "DATA (TX callback) %s",
147 ok ? "ACK" : "fail");
148 hostapd_tx_status(drv->hapd, hdr->addr1, buf, len, ok);
151 printf("unknown TX callback frame type %d\n", type);
157 static void handle_frame(struct hostap_driver_data *drv, u8 *buf, size_t len)
159 struct ieee80211_hdr *hdr;
160 u16 fc, extra_len, type, stype;
161 unsigned char *extra = NULL;
162 size_t data_len = len;
165 /* PSPOLL is only 16 bytes, but driver does not (at least yet) pass
166 * these to user space */
168 wpa_printf(MSG_MSGDUMP, "handle_frame: too short (%lu)",
169 (unsigned long) len);
173 hdr = (struct ieee80211_hdr *) buf;
174 fc = le_to_host16(hdr->frame_control);
175 type = WLAN_FC_GET_TYPE(fc);
176 stype = WLAN_FC_GET_STYPE(fc);
178 if (type != WLAN_FC_TYPE_MGMT || stype != WLAN_FC_STYPE_BEACON) {
179 wpa_hexdump(MSG_MSGDUMP, "Received management frame",
183 ver = fc & WLAN_FC_PVER;
185 /* protocol version 3 is reserved for indicating extra data after the
186 * payload, version 2 for indicating ACKed frame (TX callbacks), and
187 * version 1 for indicating failed frame (no ACK, TX callbacks) */
189 u8 *pos = buf + len - 2;
190 extra_len = WPA_GET_LE16(pos);
191 printf("extra data in frame (elen=%d)\n", extra_len);
192 if ((size_t) extra_len + 2 > len) {
193 printf(" extra data overflow\n");
196 len -= extra_len + 2;
198 } else if (ver == 1 || ver == 2) {
199 handle_tx_callback(drv, buf, data_len, ver == 2 ? 1 : 0);
201 } else if (ver != 0) {
202 printf("unknown protocol version %d\n", ver);
207 case WLAN_FC_TYPE_MGMT:
208 if (stype != WLAN_FC_STYPE_BEACON)
209 wpa_printf(MSG_MSGDUMP, "MGMT");
210 hostapd_mgmt_rx(drv->hapd, buf, data_len, stype, NULL);
212 case WLAN_FC_TYPE_CTRL:
213 wpa_printf(MSG_DEBUG, "CTRL");
215 case WLAN_FC_TYPE_DATA:
216 wpa_printf(MSG_DEBUG, "DATA");
217 handle_data(drv, buf, data_len, stype);
220 wpa_printf(MSG_DEBUG, "unknown frame type %d", type);
226 static void handle_read(int sock, void *eloop_ctx, void *sock_ctx)
228 struct hostap_driver_data *drv = eloop_ctx;
230 unsigned char buf[3000];
232 len = recv(sock, buf, sizeof(buf), 0);
238 handle_frame(drv, buf, len);
242 static int hostap_init_sockets(struct hostap_driver_data *drv, u8 *own_addr)
245 struct sockaddr_ll addr;
247 drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
249 perror("socket[PF_PACKET,SOCK_RAW]");
253 if (eloop_register_read_sock(drv->sock, handle_read, drv, NULL)) {
254 printf("Could not register read socket\n");
258 memset(&ifr, 0, sizeof(ifr));
259 snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%sap", drv->iface);
260 if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
261 perror("ioctl(SIOCGIFINDEX)");
265 if (hostap_set_iface_flags(drv, 1)) {
269 memset(&addr, 0, sizeof(addr));
270 addr.sll_family = AF_PACKET;
271 addr.sll_ifindex = ifr.ifr_ifindex;
272 wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
275 if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
280 memset(&ifr, 0, sizeof(ifr));
281 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
282 if (ioctl(drv->sock, SIOCGIFHWADDR, &ifr) != 0) {
283 perror("ioctl(SIOCGIFHWADDR)");
287 if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
288 printf("Invalid HW-addr family 0x%04x\n",
289 ifr.ifr_hwaddr.sa_family);
292 os_memcpy(own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
298 static int hostap_send_mlme(void *priv, const u8 *msg, size_t len)
300 struct hostap_driver_data *drv = priv;
301 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) msg;
304 /* Request TX callback */
305 hdr->frame_control |= host_to_le16(BIT(1));
306 res = send(drv->sock, msg, len, 0);
307 hdr->frame_control &= ~host_to_le16(BIT(1));
313 static int hostap_send_eapol(void *priv, const u8 *addr, const u8 *data,
314 size_t data_len, int encrypt, const u8 *own_addr)
316 struct hostap_driver_data *drv = priv;
317 struct ieee80211_hdr *hdr;
322 len = sizeof(*hdr) + sizeof(rfc1042_header) + 2 + data_len;
323 hdr = os_zalloc(len);
325 printf("malloc() failed for hostapd_send_data(len=%lu)\n",
326 (unsigned long) len);
331 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
332 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
334 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
335 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
336 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
337 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
339 pos = (u8 *) (hdr + 1);
340 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
341 pos += sizeof(rfc1042_header);
342 *((u16 *) pos) = htons(ETH_P_PAE);
344 memcpy(pos, data, data_len);
346 res = hostap_send_mlme(drv, (u8 *) hdr, len);
348 wpa_printf(MSG_ERROR, "hostap_send_eapol - packet len: %lu - "
350 (unsigned long) len, errno, strerror(errno));
358 static int hostap_sta_set_flags(void *priv, const u8 *addr,
359 int total_flags, int flags_or, int flags_and)
361 struct hostap_driver_data *drv = priv;
362 struct prism2_hostapd_param param;
364 memset(¶m, 0, sizeof(param));
365 param.cmd = PRISM2_HOSTAPD_SET_FLAGS_STA;
366 memcpy(param.sta_addr, addr, ETH_ALEN);
367 param.u.set_flags_sta.flags_or = flags_or;
368 param.u.set_flags_sta.flags_and = flags_and;
369 return hostapd_ioctl(drv, ¶m, sizeof(param));
373 static int hostap_set_iface_flags(void *priv, int dev_up)
375 struct hostap_driver_data *drv = priv;
378 if (drv->ioctl_sock < 0)
381 memset(&ifr, 0, sizeof(ifr));
382 snprintf(ifr.ifr_name, IFNAMSIZ, "%sap", drv->iface);
384 if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
385 perror("ioctl[SIOCGIFFLAGS]");
390 ifr.ifr_flags |= IFF_UP;
392 ifr.ifr_flags &= ~IFF_UP;
394 if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
395 perror("ioctl[SIOCSIFFLAGS]");
400 memset(&ifr, 0, sizeof(ifr));
401 snprintf(ifr.ifr_name, IFNAMSIZ, "%sap", drv->iface);
402 ifr.ifr_mtu = HOSTAPD_MTU;
403 if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
404 perror("ioctl[SIOCSIFMTU]");
405 printf("Setting MTU failed - trying to survive with "
414 static int hostapd_ioctl(void *priv, struct prism2_hostapd_param *param,
417 struct hostap_driver_data *drv = priv;
420 memset(&iwr, 0, sizeof(iwr));
421 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
422 iwr.u.data.pointer = (caddr_t) param;
423 iwr.u.data.length = len;
425 if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
426 perror("ioctl[PRISM2_IOCTL_HOSTAPD]");
434 static int wpa_driver_hostap_set_key(const char *ifname, void *priv,
435 wpa_alg alg, const u8 *addr, int key_idx,
436 int set_tx, const u8 *seq, size_t seq_len,
437 const u8 *key, size_t key_len)
439 struct hostap_driver_data *drv = priv;
440 struct prism2_hostapd_param *param;
445 blen = sizeof(*param) + key_len;
446 buf = os_zalloc(blen);
450 param = (struct prism2_hostapd_param *) buf;
451 param->cmd = PRISM2_SET_ENCRYPTION;
453 memset(param->sta_addr, 0xff, ETH_ALEN);
455 memcpy(param->sta_addr, addr, ETH_ALEN);
458 os_strlcpy((char *) param->u.crypt.alg, "NONE",
459 HOSTAP_CRYPT_ALG_NAME_LEN);
462 os_strlcpy((char *) param->u.crypt.alg, "WEP",
463 HOSTAP_CRYPT_ALG_NAME_LEN);
466 os_strlcpy((char *) param->u.crypt.alg, "TKIP",
467 HOSTAP_CRYPT_ALG_NAME_LEN);
470 os_strlcpy((char *) param->u.crypt.alg, "CCMP",
471 HOSTAP_CRYPT_ALG_NAME_LEN);
477 param->u.crypt.flags = set_tx ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
478 param->u.crypt.idx = key_idx;
479 param->u.crypt.key_len = key_len;
480 memcpy((u8 *) (param + 1), key, key_len);
482 if (hostapd_ioctl(drv, param, blen)) {
483 printf("Failed to set encryption.\n");
492 static int hostap_get_seqnum(const char *ifname, void *priv, const u8 *addr,
495 struct hostap_driver_data *drv = priv;
496 struct prism2_hostapd_param *param;
501 blen = sizeof(*param) + 32;
502 buf = os_zalloc(blen);
506 param = (struct prism2_hostapd_param *) buf;
507 param->cmd = PRISM2_GET_ENCRYPTION;
509 memset(param->sta_addr, 0xff, ETH_ALEN);
511 memcpy(param->sta_addr, addr, ETH_ALEN);
512 param->u.crypt.idx = idx;
514 if (hostapd_ioctl(drv, param, blen)) {
515 printf("Failed to get encryption.\n");
518 memcpy(seq, param->u.crypt.seq, 8);
526 static int hostap_ioctl_prism2param(void *priv, int param, int value)
528 struct hostap_driver_data *drv = priv;
532 memset(&iwr, 0, sizeof(iwr));
533 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
534 i = (int *) iwr.u.name;
538 if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
539 perror("ioctl[PRISM2_IOCTL_PRISM2_PARAM]");
547 static int hostap_set_ieee8021x(const char *ifname, void *priv, int enabled)
549 struct hostap_driver_data *drv = priv;
551 /* enable kernel driver support for IEEE 802.1X */
552 if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_IEEE_802_1X, enabled)) {
553 printf("Could not setup IEEE 802.1X support in kernel driver."
561 /* use host driver implementation of encryption to allow
562 * individual keys and passing plaintext EAPOL frames */
563 if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_DECRYPT, 1) ||
564 hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_ENCRYPT, 1)) {
565 printf("Could not setup host-based encryption in kernel "
574 static int hostap_set_privacy(const char *ifname, void *priv, int enabled)
576 struct hostap_drvier_data *drv = priv;
578 return hostap_ioctl_prism2param(drv, PRISM2_PARAM_PRIVACY_INVOKED,
583 static int hostap_set_ssid(const char *ifname, void *priv, const u8 *buf,
586 struct hostap_driver_data *drv = priv;
589 memset(&iwr, 0, sizeof(iwr));
590 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
591 iwr.u.essid.flags = 1; /* SSID active */
592 iwr.u.essid.pointer = (caddr_t) buf;
593 iwr.u.essid.length = len + 1;
595 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
596 perror("ioctl[SIOCSIWESSID]");
597 printf("len=%d\n", len);
605 static int hostap_flush(void *priv)
607 struct hostap_driver_data *drv = priv;
608 struct prism2_hostapd_param param;
610 memset(¶m, 0, sizeof(param));
611 param.cmd = PRISM2_HOSTAPD_FLUSH;
612 return hostapd_ioctl(drv, ¶m, sizeof(param));
616 static int hostap_read_sta_data(void *priv,
617 struct hostap_sta_driver_data *data,
620 struct hostap_driver_data *drv = priv;
621 char buf[1024], line[128], *pos;
625 memset(data, 0, sizeof(*data));
626 snprintf(buf, sizeof(buf), "/proc/net/hostap/%s/" MACSTR,
627 drv->iface, MAC2STR(addr));
632 /* Need to read proc file with in one piece, so use large enough
634 setbuffer(f, buf, sizeof(buf));
636 while (fgets(line, sizeof(line), f)) {
637 pos = strchr(line, '=');
641 val = strtoul(pos, NULL, 10);
642 if (strcmp(line, "rx_packets") == 0)
643 data->rx_packets = val;
644 else if (strcmp(line, "tx_packets") == 0)
645 data->tx_packets = val;
646 else if (strcmp(line, "rx_bytes") == 0)
647 data->rx_bytes = val;
648 else if (strcmp(line, "tx_bytes") == 0)
649 data->tx_bytes = val;
658 static int hostap_sta_add(const char *ifname, void *priv,
659 struct hostapd_sta_add_params *params)
661 struct hostap_driver_data *drv = priv;
662 struct prism2_hostapd_param param;
663 int tx_supp_rates = 0;
666 #define WLAN_RATE_1M BIT(0)
667 #define WLAN_RATE_2M BIT(1)
668 #define WLAN_RATE_5M5 BIT(2)
669 #define WLAN_RATE_11M BIT(3)
671 for (i = 0; i < params->supp_rates_len; i++) {
672 if ((params->supp_rates[i] & 0x7f) == 2)
673 tx_supp_rates |= WLAN_RATE_1M;
674 if ((params->supp_rates[i] & 0x7f) == 4)
675 tx_supp_rates |= WLAN_RATE_2M;
676 if ((params->supp_rates[i] & 0x7f) == 11)
677 tx_supp_rates |= WLAN_RATE_5M5;
678 if ((params->supp_rates[i] & 0x7f) == 22)
679 tx_supp_rates |= WLAN_RATE_11M;
682 memset(¶m, 0, sizeof(param));
683 param.cmd = PRISM2_HOSTAPD_ADD_STA;
684 memcpy(param.sta_addr, params->addr, ETH_ALEN);
685 param.u.add_sta.aid = params->aid;
686 param.u.add_sta.capability = params->capability;
687 param.u.add_sta.tx_supp_rates = tx_supp_rates;
688 return hostapd_ioctl(drv, ¶m, sizeof(param));
692 static int hostap_sta_remove(void *priv, const u8 *addr)
694 struct hostap_driver_data *drv = priv;
695 struct prism2_hostapd_param param;
697 hostap_sta_set_flags(drv, addr, 0, 0, ~WLAN_STA_AUTHORIZED);
699 memset(¶m, 0, sizeof(param));
700 param.cmd = PRISM2_HOSTAPD_REMOVE_STA;
701 memcpy(param.sta_addr, addr, ETH_ALEN);
702 if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
703 printf("Could not remove station from kernel driver.\n");
710 static int hostap_get_inact_sec(void *priv, const u8 *addr)
712 struct hostap_driver_data *drv = priv;
713 struct prism2_hostapd_param param;
715 memset(¶m, 0, sizeof(param));
716 param.cmd = PRISM2_HOSTAPD_GET_INFO_STA;
717 memcpy(param.sta_addr, addr, ETH_ALEN);
718 if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
722 return param.u.get_info_sta.inactive_sec;
726 static int hostap_sta_clear_stats(void *priv, const u8 *addr)
728 struct hostap_driver_data *drv = priv;
729 struct prism2_hostapd_param param;
731 memset(¶m, 0, sizeof(param));
732 param.cmd = PRISM2_HOSTAPD_STA_CLEAR_STATS;
733 memcpy(param.sta_addr, addr, ETH_ALEN);
734 if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
742 static int hostapd_ioctl_set_generic_elem(struct hostap_driver_data *drv)
744 struct prism2_hostapd_param *param;
746 size_t blen, elem_len;
748 elem_len = drv->generic_ie_len + drv->wps_ie_len;
749 blen = PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN + elem_len;
750 if (blen < sizeof(*param))
751 blen = sizeof(*param);
753 param = os_zalloc(blen);
757 param->cmd = PRISM2_HOSTAPD_SET_GENERIC_ELEMENT;
758 param->u.generic_elem.len = elem_len;
759 if (drv->generic_ie) {
760 os_memcpy(param->u.generic_elem.data, drv->generic_ie,
761 drv->generic_ie_len);
764 os_memcpy(¶m->u.generic_elem.data[drv->generic_ie_len],
765 drv->wps_ie, drv->wps_ie_len);
767 wpa_hexdump(MSG_DEBUG, "hostap: Set generic IE",
768 param->u.generic_elem.data, elem_len);
769 res = hostapd_ioctl(drv, param, blen);
777 static int hostap_set_generic_elem(const char *ifname, void *priv,
778 const u8 *elem, size_t elem_len)
780 struct hostap_driver_data *drv = priv;
782 os_free(drv->generic_ie);
783 drv->generic_ie = NULL;
784 drv->generic_ie_len = 0;
786 drv->generic_ie = os_malloc(elem_len);
787 if (drv->generic_ie == NULL)
789 os_memcpy(drv->generic_ie, elem, elem_len);
790 drv->generic_ie_len = elem_len;
793 return hostapd_ioctl_set_generic_elem(drv);
797 static int hostap_set_wps_beacon_ie(const char *ifname, void *priv,
798 const u8 *ie, size_t len)
800 /* Host AP driver supports only one set of extra IEs, so we need to
801 * use the ProbeResp IEs also for Beacon frames since they include more
807 static int hostap_set_wps_probe_resp_ie(const char *ifname, void *priv,
808 const u8 *ie, size_t len)
810 struct hostap_driver_data *drv = priv;
812 os_free(drv->wps_ie);
816 drv->wps_ie = os_malloc(len);
817 if (drv->wps_ie == NULL)
819 os_memcpy(drv->wps_ie, ie, len);
820 drv->wps_ie_len = len;
823 return hostapd_ioctl_set_generic_elem(drv);
828 hostapd_wireless_event_wireless_custom(struct hostap_driver_data *drv,
831 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
833 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
836 pos = strstr(custom, "addr=");
838 wpa_printf(MSG_DEBUG,
839 "MLME-MICHAELMICFAILURE.indication "
840 "without sender address ignored");
844 if (hwaddr_aton(pos, addr) == 0) {
845 hostapd_michael_mic_failure(drv->hapd, addr);
847 wpa_printf(MSG_DEBUG,
848 "MLME-MICHAELMICFAILURE.indication "
849 "with invalid MAC address");
855 static void hostapd_wireless_event_wireless(struct hostap_driver_data *drv,
858 struct iw_event iwe_buf, *iwe = &iwe_buf;
859 char *pos, *end, *custom, *buf;
864 while (pos + IW_EV_LCP_LEN <= end) {
865 /* Event data may be unaligned, so make a local, aligned copy
866 * before processing. */
867 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
868 wpa_printf(MSG_DEBUG, "Wireless event: cmd=0x%x len=%d",
870 if (iwe->len <= IW_EV_LCP_LEN)
873 custom = pos + IW_EV_POINT_LEN;
874 if (drv->we_version > 18 &&
875 (iwe->cmd == IWEVMICHAELMICFAILURE ||
876 iwe->cmd == IWEVCUSTOM)) {
877 /* WE-19 removed the pointer from struct iw_point */
878 char *dpos = (char *) &iwe_buf.u.data.length;
879 int dlen = dpos - (char *) &iwe_buf;
880 memcpy(dpos, pos + IW_EV_LCP_LEN,
881 sizeof(struct iw_event) - dlen);
883 memcpy(&iwe_buf, pos, sizeof(struct iw_event));
884 custom += IW_EV_POINT_OFF;
889 if (custom + iwe->u.data.length > end)
891 buf = malloc(iwe->u.data.length + 1);
894 memcpy(buf, custom, iwe->u.data.length);
895 buf[iwe->u.data.length] = '\0';
896 hostapd_wireless_event_wireless_custom(drv, buf);
906 static void hostapd_wireless_event_rtm_newlink(struct hostap_driver_data *drv,
907 struct nlmsghdr *h, int len)
909 struct ifinfomsg *ifi;
910 int attrlen, nlmsg_len, rta_len;
911 struct rtattr * attr;
913 if (len < (int) sizeof(*ifi))
918 /* TODO: use ifi->ifi_index to filter out wireless events from other
921 nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
923 attrlen = h->nlmsg_len - nlmsg_len;
927 attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
929 rta_len = RTA_ALIGN(sizeof(struct rtattr));
930 while (RTA_OK(attr, attrlen)) {
931 if (attr->rta_type == IFLA_WIRELESS) {
932 hostapd_wireless_event_wireless(
933 drv, ((char *) attr) + rta_len,
934 attr->rta_len - rta_len);
936 attr = RTA_NEXT(attr, attrlen);
941 static void hostapd_wireless_event_receive(int sock, void *eloop_ctx,
946 struct sockaddr_nl from;
949 struct hostap_driver_data *drv = eloop_ctx;
951 fromlen = sizeof(from);
952 left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
953 (struct sockaddr *) &from, &fromlen);
955 if (errno != EINTR && errno != EAGAIN)
956 perror("recvfrom(netlink)");
960 h = (struct nlmsghdr *) buf;
961 while (left >= (int) sizeof(*h)) {
965 plen = len - sizeof(*h);
966 if (len > left || plen < 0) {
967 printf("Malformed netlink message: "
968 "len=%d left=%d plen=%d\n",
973 switch (h->nlmsg_type) {
975 hostapd_wireless_event_rtm_newlink(drv, h, plen);
979 len = NLMSG_ALIGN(len);
981 h = (struct nlmsghdr *) ((char *) h + len);
985 printf("%d extra bytes in the end of netlink message\n", left);
990 static int hostap_get_we_version(struct hostap_driver_data *drv)
992 struct iw_range *range;
1000 * Use larger buffer than struct iw_range in order to allow the
1001 * structure to grow in the future.
1003 buflen = sizeof(struct iw_range) + 500;
1004 range = os_zalloc(buflen);
1008 memset(&iwr, 0, sizeof(iwr));
1009 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1010 iwr.u.data.pointer = (caddr_t) range;
1011 iwr.u.data.length = buflen;
1013 minlen = ((char *) &range->enc_capa) - (char *) range +
1014 sizeof(range->enc_capa);
1016 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1017 perror("ioctl[SIOCGIWRANGE]");
1020 } else if (iwr.u.data.length >= minlen &&
1021 range->we_version_compiled >= 18) {
1022 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1023 "WE(source)=%d enc_capa=0x%x",
1024 range->we_version_compiled,
1025 range->we_version_source,
1027 drv->we_version = range->we_version_compiled;
1035 static int hostap_wireless_event_init(struct hostap_driver_data *drv)
1038 struct sockaddr_nl local;
1040 hostap_get_we_version(drv);
1042 drv->wext_sock = -1;
1044 s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
1046 perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
1050 memset(&local, 0, sizeof(local));
1051 local.nl_family = AF_NETLINK;
1052 local.nl_groups = RTMGRP_LINK;
1053 if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
1054 perror("bind(netlink)");
1059 eloop_register_read_sock(s, hostapd_wireless_event_receive, drv,
1067 static void hostap_wireless_event_deinit(struct hostap_driver_data *drv)
1069 if (drv->wext_sock < 0)
1071 eloop_unregister_read_sock(drv->wext_sock);
1072 close(drv->wext_sock);
1076 static void * hostap_init(struct hostapd_data *hapd,
1077 struct wpa_init_params *params)
1079 struct hostap_driver_data *drv;
1081 drv = os_zalloc(sizeof(struct hostap_driver_data));
1083 printf("Could not allocate memory for hostapd driver data\n");
1088 drv->ioctl_sock = drv->sock = -1;
1089 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1091 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1092 if (drv->ioctl_sock < 0) {
1093 perror("socket[PF_INET,SOCK_DGRAM]");
1098 if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 1)) {
1099 printf("Could not enable hostapd mode for interface %s\n",
1101 close(drv->ioctl_sock);
1106 if (hostap_init_sockets(drv, params->own_addr) ||
1107 hostap_wireless_event_init(drv)) {
1108 close(drv->ioctl_sock);
1117 static void hostap_driver_deinit(void *priv)
1119 struct hostap_driver_data *drv = priv;
1121 hostap_wireless_event_deinit(drv);
1122 (void) hostap_set_iface_flags(drv, 0);
1123 (void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 0);
1124 (void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD_STA, 0);
1126 if (drv->ioctl_sock >= 0)
1127 close(drv->ioctl_sock);
1132 os_free(drv->generic_ie);
1133 os_free(drv->wps_ie);
1139 static int hostap_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
1142 struct hostap_driver_data *drv = priv;
1143 struct ieee80211_mgmt mgmt;
1145 memset(&mgmt, 0, sizeof(mgmt));
1146 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1147 WLAN_FC_STYPE_DEAUTH);
1148 memcpy(mgmt.da, addr, ETH_ALEN);
1149 memcpy(mgmt.sa, own_addr, ETH_ALEN);
1150 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
1151 mgmt.u.deauth.reason_code = host_to_le16(reason);
1152 return hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
1153 sizeof(mgmt.u.deauth));
1157 static int hostap_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
1160 struct hostap_driver_data *drv = priv;
1161 struct ieee80211_mgmt mgmt;
1163 memset(&mgmt, 0, sizeof(mgmt));
1164 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1165 WLAN_FC_STYPE_DISASSOC);
1166 memcpy(mgmt.da, addr, ETH_ALEN);
1167 memcpy(mgmt.sa, own_addr, ETH_ALEN);
1168 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
1169 mgmt.u.disassoc.reason_code = host_to_le16(reason);
1170 return hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
1171 sizeof(mgmt.u.disassoc));
1175 static struct hostapd_hw_modes * hostap_get_hw_feature_data(void *priv,
1179 struct hostapd_hw_modes *mode;
1181 const short chan2freq[14] = {
1182 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1183 2447, 2452, 2457, 2462, 2467, 2472, 2484
1186 mode = os_zalloc(sizeof(struct hostapd_hw_modes));
1193 mode->mode = HOSTAPD_MODE_IEEE80211B;
1194 mode->num_channels = 14;
1195 mode->num_rates = 4;
1197 clen = mode->num_channels * sizeof(struct hostapd_channel_data);
1198 rlen = mode->num_rates * sizeof(struct hostapd_rate_data);
1200 mode->channels = os_zalloc(clen);
1201 mode->rates = os_zalloc(rlen);
1202 if (mode->channels == NULL || mode->rates == NULL) {
1203 hostapd_free_hw_features(mode, *num_modes);
1207 for (i = 0; i < 14; i++) {
1208 mode->channels[i].chan = i + 1;
1209 mode->channels[i].freq = chan2freq[i];
1210 /* TODO: Get allowed channel list from the driver */
1212 mode->channels[i].flag = HOSTAPD_CHAN_DISABLED;
1215 mode->rates[0].rate = 10;
1216 mode->rates[0].flags = HOSTAPD_RATE_CCK;
1217 mode->rates[1].rate = 20;
1218 mode->rates[1].flags = HOSTAPD_RATE_CCK;
1219 mode->rates[2].rate = 55;
1220 mode->rates[2].flags = HOSTAPD_RATE_CCK;
1221 mode->rates[3].rate = 110;
1222 mode->rates[3].flags = HOSTAPD_RATE_CCK;
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 */