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;
71 if (len < sizeof(struct ieee80211_hdr))
74 hdr = (struct ieee80211_hdr *) buf;
75 fc = le_to_host16(hdr->frame_control);
77 if ((fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) != WLAN_FC_TODS) {
78 printf("Not ToDS data frame (fc=0x%04x)\n", fc);
83 hostapd_rx_from_unknown_sta(drv->hapd, hdr, len);
85 pos = (u8 *) (hdr + 1);
86 left = len - sizeof(*hdr);
88 if (left < sizeof(rfc1042_header)) {
89 printf("Too short data frame\n");
93 if (memcmp(pos, rfc1042_header, sizeof(rfc1042_header)) != 0) {
94 printf("Data frame with no RFC1042 header\n");
97 pos += sizeof(rfc1042_header);
98 left -= sizeof(rfc1042_header);
101 printf("No ethertype in data frame\n");
105 ethertype = WPA_GET_BE16(pos);
110 hostapd_eapol_receive(drv->hapd, sa, pos, left);
114 printf("Unknown ethertype 0x%04x in data frame\n", ethertype);
120 static void handle_tx_callback(struct hostap_driver_data *drv, u8 *buf,
123 struct ieee80211_hdr *hdr;
126 hdr = (struct ieee80211_hdr *) buf;
127 fc = le_to_host16(hdr->frame_control);
129 type = WLAN_FC_GET_TYPE(fc);
130 stype = WLAN_FC_GET_STYPE(fc);
133 case WLAN_FC_TYPE_MGMT:
134 wpa_printf(MSG_DEBUG, "MGMT (TX callback) %s",
135 ok ? "ACK" : "fail");
136 hostapd_mgmt_tx_cb(drv->hapd, buf, len, stype, ok);
138 case WLAN_FC_TYPE_CTRL:
139 wpa_printf(MSG_DEBUG, "CTRL (TX callback) %s",
140 ok ? "ACK" : "fail");
142 case WLAN_FC_TYPE_DATA:
143 wpa_printf(MSG_DEBUG, "DATA (TX callback) %s",
144 ok ? "ACK" : "fail");
145 hostapd_tx_status(drv->hapd, hdr->addr1, buf, len, ok);
148 printf("unknown TX callback frame type %d\n", type);
154 static void handle_frame(struct hostap_driver_data *drv, u8 *buf, size_t len)
156 struct ieee80211_hdr *hdr;
157 u16 fc, extra_len, type, stype;
158 unsigned char *extra = NULL;
159 size_t data_len = len;
162 /* PSPOLL is only 16 bytes, but driver does not (at least yet) pass
163 * these to user space */
165 wpa_printf(MSG_MSGDUMP, "handle_frame: too short (%lu)",
166 (unsigned long) len);
170 hdr = (struct ieee80211_hdr *) buf;
171 fc = le_to_host16(hdr->frame_control);
172 type = WLAN_FC_GET_TYPE(fc);
173 stype = WLAN_FC_GET_STYPE(fc);
175 if (type != WLAN_FC_TYPE_MGMT || stype != WLAN_FC_STYPE_BEACON) {
176 wpa_hexdump(MSG_MSGDUMP, "Received management frame",
180 ver = fc & WLAN_FC_PVER;
182 /* protocol version 3 is reserved for indicating extra data after the
183 * payload, version 2 for indicating ACKed frame (TX callbacks), and
184 * version 1 for indicating failed frame (no ACK, TX callbacks) */
186 u8 *pos = buf + len - 2;
187 extra_len = WPA_GET_LE16(pos);
188 printf("extra data in frame (elen=%d)\n", extra_len);
189 if ((size_t) extra_len + 2 > len) {
190 printf(" extra data overflow\n");
193 len -= extra_len + 2;
195 } else if (ver == 1 || ver == 2) {
196 handle_tx_callback(drv, buf, data_len, ver == 2 ? 1 : 0);
198 } else if (ver != 0) {
199 printf("unknown protocol version %d\n", ver);
204 case WLAN_FC_TYPE_MGMT:
205 if (stype != WLAN_FC_STYPE_BEACON)
206 wpa_printf(MSG_MSGDUMP, "MGMT");
207 hostapd_mgmt_rx(drv->hapd, buf, data_len, stype, NULL);
209 case WLAN_FC_TYPE_CTRL:
210 wpa_printf(MSG_DEBUG, "CTRL");
212 case WLAN_FC_TYPE_DATA:
213 wpa_printf(MSG_DEBUG, "DATA");
214 handle_data(drv, buf, data_len, stype);
217 wpa_printf(MSG_DEBUG, "unknown frame type %d", type);
223 static void handle_read(int sock, void *eloop_ctx, void *sock_ctx)
225 struct hostap_driver_data *drv = eloop_ctx;
227 unsigned char buf[3000];
229 len = recv(sock, buf, sizeof(buf), 0);
235 handle_frame(drv, buf, len);
239 static int hostap_init_sockets(struct hostap_driver_data *drv, u8 *own_addr)
242 struct sockaddr_ll addr;
244 drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
246 perror("socket[PF_PACKET,SOCK_RAW]");
250 if (eloop_register_read_sock(drv->sock, handle_read, drv, NULL)) {
251 printf("Could not register read socket\n");
255 memset(&ifr, 0, sizeof(ifr));
256 snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%sap", drv->iface);
257 if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
258 perror("ioctl(SIOCGIFINDEX)");
262 if (hostap_set_iface_flags(drv, 1)) {
266 memset(&addr, 0, sizeof(addr));
267 addr.sll_family = AF_PACKET;
268 addr.sll_ifindex = ifr.ifr_ifindex;
269 wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
272 if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
277 memset(&ifr, 0, sizeof(ifr));
278 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
279 if (ioctl(drv->sock, SIOCGIFHWADDR, &ifr) != 0) {
280 perror("ioctl(SIOCGIFHWADDR)");
284 if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
285 printf("Invalid HW-addr family 0x%04x\n",
286 ifr.ifr_hwaddr.sa_family);
289 os_memcpy(own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
295 static int hostap_send_mlme(void *priv, const u8 *msg, size_t len)
297 struct hostap_driver_data *drv = priv;
298 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) msg;
301 /* Request TX callback */
302 hdr->frame_control |= host_to_le16(BIT(1));
303 res = send(drv->sock, msg, len, 0);
304 hdr->frame_control &= ~host_to_le16(BIT(1));
310 static int hostap_send_eapol(void *priv, const u8 *addr, const u8 *data,
311 size_t data_len, int encrypt, const u8 *own_addr)
313 struct hostap_driver_data *drv = priv;
314 struct ieee80211_hdr *hdr;
319 len = sizeof(*hdr) + sizeof(rfc1042_header) + 2 + data_len;
320 hdr = os_zalloc(len);
322 printf("malloc() failed for hostapd_send_data(len=%lu)\n",
323 (unsigned long) len);
328 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
329 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
331 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
332 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
333 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
334 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
336 pos = (u8 *) (hdr + 1);
337 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
338 pos += sizeof(rfc1042_header);
339 *((u16 *) pos) = htons(ETH_P_PAE);
341 memcpy(pos, data, data_len);
343 res = hostap_send_mlme(drv, (u8 *) hdr, len);
345 wpa_printf(MSG_ERROR, "hostap_send_eapol - packet len: %lu - "
347 (unsigned long) len, errno, strerror(errno));
355 static int hostap_sta_set_flags(void *priv, const u8 *addr,
356 int total_flags, int flags_or, int flags_and)
358 struct hostap_driver_data *drv = priv;
359 struct prism2_hostapd_param param;
361 if (flags_or & WPA_STA_AUTHORIZED)
362 flags_or = BIT(5); /* WLAN_STA_AUTHORIZED */
363 if (!(flags_and & WPA_STA_AUTHORIZED))
367 memset(¶m, 0, sizeof(param));
368 param.cmd = PRISM2_HOSTAPD_SET_FLAGS_STA;
369 memcpy(param.sta_addr, addr, ETH_ALEN);
370 param.u.set_flags_sta.flags_or = flags_or;
371 param.u.set_flags_sta.flags_and = flags_and;
372 return hostapd_ioctl(drv, ¶m, sizeof(param));
376 static int hostap_set_iface_flags(void *priv, int dev_up)
378 struct hostap_driver_data *drv = priv;
381 if (drv->ioctl_sock < 0)
384 memset(&ifr, 0, sizeof(ifr));
385 snprintf(ifr.ifr_name, IFNAMSIZ, "%sap", drv->iface);
387 if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
388 perror("ioctl[SIOCGIFFLAGS]");
393 ifr.ifr_flags |= IFF_UP;
395 ifr.ifr_flags &= ~IFF_UP;
397 if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
398 perror("ioctl[SIOCSIFFLAGS]");
403 memset(&ifr, 0, sizeof(ifr));
404 snprintf(ifr.ifr_name, IFNAMSIZ, "%sap", drv->iface);
405 ifr.ifr_mtu = HOSTAPD_MTU;
406 if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
407 perror("ioctl[SIOCSIFMTU]");
408 printf("Setting MTU failed - trying to survive with "
417 static int hostapd_ioctl(void *priv, struct prism2_hostapd_param *param,
420 struct hostap_driver_data *drv = priv;
423 memset(&iwr, 0, sizeof(iwr));
424 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
425 iwr.u.data.pointer = (caddr_t) param;
426 iwr.u.data.length = len;
428 if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
429 perror("ioctl[PRISM2_IOCTL_HOSTAPD]");
437 static int wpa_driver_hostap_set_key(const char *ifname, void *priv,
438 wpa_alg alg, const u8 *addr, int key_idx,
439 int set_tx, const u8 *seq, size_t seq_len,
440 const u8 *key, size_t key_len)
442 struct hostap_driver_data *drv = priv;
443 struct prism2_hostapd_param *param;
448 blen = sizeof(*param) + key_len;
449 buf = os_zalloc(blen);
453 param = (struct prism2_hostapd_param *) buf;
454 param->cmd = PRISM2_SET_ENCRYPTION;
456 memset(param->sta_addr, 0xff, ETH_ALEN);
458 memcpy(param->sta_addr, addr, ETH_ALEN);
461 os_strlcpy((char *) param->u.crypt.alg, "NONE",
462 HOSTAP_CRYPT_ALG_NAME_LEN);
465 os_strlcpy((char *) param->u.crypt.alg, "WEP",
466 HOSTAP_CRYPT_ALG_NAME_LEN);
469 os_strlcpy((char *) param->u.crypt.alg, "TKIP",
470 HOSTAP_CRYPT_ALG_NAME_LEN);
473 os_strlcpy((char *) param->u.crypt.alg, "CCMP",
474 HOSTAP_CRYPT_ALG_NAME_LEN);
480 param->u.crypt.flags = set_tx ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
481 param->u.crypt.idx = key_idx;
482 param->u.crypt.key_len = key_len;
483 memcpy((u8 *) (param + 1), key, key_len);
485 if (hostapd_ioctl(drv, param, blen)) {
486 printf("Failed to set encryption.\n");
495 static int hostap_get_seqnum(const char *ifname, void *priv, const u8 *addr,
498 struct hostap_driver_data *drv = priv;
499 struct prism2_hostapd_param *param;
504 blen = sizeof(*param) + 32;
505 buf = os_zalloc(blen);
509 param = (struct prism2_hostapd_param *) buf;
510 param->cmd = PRISM2_GET_ENCRYPTION;
512 memset(param->sta_addr, 0xff, ETH_ALEN);
514 memcpy(param->sta_addr, addr, ETH_ALEN);
515 param->u.crypt.idx = idx;
517 if (hostapd_ioctl(drv, param, blen)) {
518 printf("Failed to get encryption.\n");
521 memcpy(seq, param->u.crypt.seq, 8);
529 static int hostap_ioctl_prism2param(void *priv, int param, int value)
531 struct hostap_driver_data *drv = priv;
535 memset(&iwr, 0, sizeof(iwr));
536 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
537 i = (int *) iwr.u.name;
541 if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
542 perror("ioctl[PRISM2_IOCTL_PRISM2_PARAM]");
550 static int hostap_set_ieee8021x(void *priv, struct wpa_bss_params *params)
552 struct hostap_driver_data *drv = priv;
553 int enabled = params->enabled;
555 /* enable kernel driver support for IEEE 802.1X */
556 if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_IEEE_802_1X, enabled)) {
557 printf("Could not setup IEEE 802.1X support in kernel driver."
565 /* use host driver implementation of encryption to allow
566 * individual keys and passing plaintext EAPOL frames */
567 if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_DECRYPT, 1) ||
568 hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_ENCRYPT, 1)) {
569 printf("Could not setup host-based encryption in kernel "
578 static int hostap_set_privacy(const char *ifname, void *priv, int enabled)
580 struct hostap_drvier_data *drv = priv;
582 return hostap_ioctl_prism2param(drv, PRISM2_PARAM_PRIVACY_INVOKED,
587 static int hostap_set_ssid(const char *ifname, void *priv, const u8 *buf,
590 struct hostap_driver_data *drv = priv;
593 memset(&iwr, 0, sizeof(iwr));
594 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
595 iwr.u.essid.flags = 1; /* SSID active */
596 iwr.u.essid.pointer = (caddr_t) buf;
597 iwr.u.essid.length = len + 1;
599 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
600 perror("ioctl[SIOCSIWESSID]");
601 printf("len=%d\n", len);
609 static int hostap_flush(void *priv)
611 struct hostap_driver_data *drv = priv;
612 struct prism2_hostapd_param param;
614 memset(¶m, 0, sizeof(param));
615 param.cmd = PRISM2_HOSTAPD_FLUSH;
616 return hostapd_ioctl(drv, ¶m, sizeof(param));
620 static int hostap_read_sta_data(void *priv,
621 struct hostap_sta_driver_data *data,
624 struct hostap_driver_data *drv = priv;
625 char buf[1024], line[128], *pos;
629 memset(data, 0, sizeof(*data));
630 snprintf(buf, sizeof(buf), "/proc/net/hostap/%s/" MACSTR,
631 drv->iface, MAC2STR(addr));
636 /* Need to read proc file with in one piece, so use large enough
638 setbuffer(f, buf, sizeof(buf));
640 while (fgets(line, sizeof(line), f)) {
641 pos = strchr(line, '=');
645 val = strtoul(pos, NULL, 10);
646 if (strcmp(line, "rx_packets") == 0)
647 data->rx_packets = val;
648 else if (strcmp(line, "tx_packets") == 0)
649 data->tx_packets = val;
650 else if (strcmp(line, "rx_bytes") == 0)
651 data->rx_bytes = val;
652 else if (strcmp(line, "tx_bytes") == 0)
653 data->tx_bytes = val;
662 static int hostap_sta_add(const char *ifname, void *priv,
663 struct hostapd_sta_add_params *params)
665 struct hostap_driver_data *drv = priv;
666 struct prism2_hostapd_param param;
667 int tx_supp_rates = 0;
670 #define WLAN_RATE_1M BIT(0)
671 #define WLAN_RATE_2M BIT(1)
672 #define WLAN_RATE_5M5 BIT(2)
673 #define WLAN_RATE_11M BIT(3)
675 for (i = 0; i < params->supp_rates_len; i++) {
676 if ((params->supp_rates[i] & 0x7f) == 2)
677 tx_supp_rates |= WLAN_RATE_1M;
678 if ((params->supp_rates[i] & 0x7f) == 4)
679 tx_supp_rates |= WLAN_RATE_2M;
680 if ((params->supp_rates[i] & 0x7f) == 11)
681 tx_supp_rates |= WLAN_RATE_5M5;
682 if ((params->supp_rates[i] & 0x7f) == 22)
683 tx_supp_rates |= WLAN_RATE_11M;
686 memset(¶m, 0, sizeof(param));
687 param.cmd = PRISM2_HOSTAPD_ADD_STA;
688 memcpy(param.sta_addr, params->addr, ETH_ALEN);
689 param.u.add_sta.aid = params->aid;
690 param.u.add_sta.capability = params->capability;
691 param.u.add_sta.tx_supp_rates = tx_supp_rates;
692 return hostapd_ioctl(drv, ¶m, sizeof(param));
696 static int hostap_sta_remove(void *priv, const u8 *addr)
698 struct hostap_driver_data *drv = priv;
699 struct prism2_hostapd_param param;
701 hostap_sta_set_flags(drv, addr, 0, 0, ~WPA_STA_AUTHORIZED);
703 memset(¶m, 0, sizeof(param));
704 param.cmd = PRISM2_HOSTAPD_REMOVE_STA;
705 memcpy(param.sta_addr, addr, ETH_ALEN);
706 if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
707 printf("Could not remove station from kernel driver.\n");
714 static int hostap_get_inact_sec(void *priv, const u8 *addr)
716 struct hostap_driver_data *drv = priv;
717 struct prism2_hostapd_param param;
719 memset(¶m, 0, sizeof(param));
720 param.cmd = PRISM2_HOSTAPD_GET_INFO_STA;
721 memcpy(param.sta_addr, addr, ETH_ALEN);
722 if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
726 return param.u.get_info_sta.inactive_sec;
730 static int hostap_sta_clear_stats(void *priv, const u8 *addr)
732 struct hostap_driver_data *drv = priv;
733 struct prism2_hostapd_param param;
735 memset(¶m, 0, sizeof(param));
736 param.cmd = PRISM2_HOSTAPD_STA_CLEAR_STATS;
737 memcpy(param.sta_addr, addr, ETH_ALEN);
738 if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
746 static int hostapd_ioctl_set_generic_elem(struct hostap_driver_data *drv)
748 struct prism2_hostapd_param *param;
750 size_t blen, elem_len;
752 elem_len = drv->generic_ie_len + drv->wps_ie_len;
753 blen = PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN + elem_len;
754 if (blen < sizeof(*param))
755 blen = sizeof(*param);
757 param = os_zalloc(blen);
761 param->cmd = PRISM2_HOSTAPD_SET_GENERIC_ELEMENT;
762 param->u.generic_elem.len = elem_len;
763 if (drv->generic_ie) {
764 os_memcpy(param->u.generic_elem.data, drv->generic_ie,
765 drv->generic_ie_len);
768 os_memcpy(¶m->u.generic_elem.data[drv->generic_ie_len],
769 drv->wps_ie, drv->wps_ie_len);
771 wpa_hexdump(MSG_DEBUG, "hostap: Set generic IE",
772 param->u.generic_elem.data, elem_len);
773 res = hostapd_ioctl(drv, param, blen);
781 static int hostap_set_generic_elem(const char *ifname, void *priv,
782 const u8 *elem, size_t elem_len)
784 struct hostap_driver_data *drv = priv;
786 os_free(drv->generic_ie);
787 drv->generic_ie = NULL;
788 drv->generic_ie_len = 0;
790 drv->generic_ie = os_malloc(elem_len);
791 if (drv->generic_ie == NULL)
793 os_memcpy(drv->generic_ie, elem, elem_len);
794 drv->generic_ie_len = elem_len;
797 return hostapd_ioctl_set_generic_elem(drv);
801 static int hostap_set_wps_beacon_ie(const char *ifname, void *priv,
802 const u8 *ie, size_t len)
804 /* Host AP driver supports only one set of extra IEs, so we need to
805 * use the ProbeResp IEs also for Beacon frames since they include more
811 static int hostap_set_wps_probe_resp_ie(const char *ifname, void *priv,
812 const u8 *ie, size_t len)
814 struct hostap_driver_data *drv = priv;
816 os_free(drv->wps_ie);
820 drv->wps_ie = os_malloc(len);
821 if (drv->wps_ie == NULL)
823 os_memcpy(drv->wps_ie, ie, len);
824 drv->wps_ie_len = len;
827 return hostapd_ioctl_set_generic_elem(drv);
832 hostapd_wireless_event_wireless_custom(struct hostap_driver_data *drv,
835 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
837 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
840 pos = strstr(custom, "addr=");
842 wpa_printf(MSG_DEBUG,
843 "MLME-MICHAELMICFAILURE.indication "
844 "without sender address ignored");
848 if (hwaddr_aton(pos, addr) == 0) {
849 union wpa_event_data data;
850 os_memset(&data, 0, sizeof(data));
851 data.michael_mic_failure.unicast = 1;
852 data.michael_mic_failure.src = addr;
853 wpa_supplicant_event(drv->hapd,
854 EVENT_MICHAEL_MIC_FAILURE, &data);
856 wpa_printf(MSG_DEBUG,
857 "MLME-MICHAELMICFAILURE.indication "
858 "with invalid MAC address");
864 static void hostapd_wireless_event_wireless(struct hostap_driver_data *drv,
867 struct iw_event iwe_buf, *iwe = &iwe_buf;
868 char *pos, *end, *custom, *buf;
873 while (pos + IW_EV_LCP_LEN <= end) {
874 /* Event data may be unaligned, so make a local, aligned copy
875 * before processing. */
876 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
877 wpa_printf(MSG_DEBUG, "Wireless event: cmd=0x%x len=%d",
879 if (iwe->len <= IW_EV_LCP_LEN)
882 custom = pos + IW_EV_POINT_LEN;
883 if (drv->we_version > 18 &&
884 (iwe->cmd == IWEVMICHAELMICFAILURE ||
885 iwe->cmd == IWEVCUSTOM)) {
886 /* WE-19 removed the pointer from struct iw_point */
887 char *dpos = (char *) &iwe_buf.u.data.length;
888 int dlen = dpos - (char *) &iwe_buf;
889 memcpy(dpos, pos + IW_EV_LCP_LEN,
890 sizeof(struct iw_event) - dlen);
892 memcpy(&iwe_buf, pos, sizeof(struct iw_event));
893 custom += IW_EV_POINT_OFF;
898 if (custom + iwe->u.data.length > end)
900 buf = malloc(iwe->u.data.length + 1);
903 memcpy(buf, custom, iwe->u.data.length);
904 buf[iwe->u.data.length] = '\0';
905 hostapd_wireless_event_wireless_custom(drv, buf);
915 static void hostapd_wireless_event_rtm_newlink(struct hostap_driver_data *drv,
916 struct nlmsghdr *h, int len)
918 struct ifinfomsg *ifi;
919 int attrlen, nlmsg_len, rta_len;
920 struct rtattr * attr;
922 if (len < (int) sizeof(*ifi))
927 /* TODO: use ifi->ifi_index to filter out wireless events from other
930 nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
932 attrlen = h->nlmsg_len - nlmsg_len;
936 attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
938 rta_len = RTA_ALIGN(sizeof(struct rtattr));
939 while (RTA_OK(attr, attrlen)) {
940 if (attr->rta_type == IFLA_WIRELESS) {
941 hostapd_wireless_event_wireless(
942 drv, ((char *) attr) + rta_len,
943 attr->rta_len - rta_len);
945 attr = RTA_NEXT(attr, attrlen);
950 static void hostapd_wireless_event_receive(int sock, void *eloop_ctx,
955 struct sockaddr_nl from;
958 struct hostap_driver_data *drv = eloop_ctx;
960 fromlen = sizeof(from);
961 left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
962 (struct sockaddr *) &from, &fromlen);
964 if (errno != EINTR && errno != EAGAIN)
965 perror("recvfrom(netlink)");
969 h = (struct nlmsghdr *) buf;
970 while (left >= (int) sizeof(*h)) {
974 plen = len - sizeof(*h);
975 if (len > left || plen < 0) {
976 printf("Malformed netlink message: "
977 "len=%d left=%d plen=%d\n",
982 switch (h->nlmsg_type) {
984 hostapd_wireless_event_rtm_newlink(drv, h, plen);
988 len = NLMSG_ALIGN(len);
990 h = (struct nlmsghdr *) ((char *) h + len);
994 printf("%d extra bytes in the end of netlink message\n", left);
999 static int hostap_get_we_version(struct hostap_driver_data *drv)
1001 struct iw_range *range;
1006 drv->we_version = 0;
1009 * Use larger buffer than struct iw_range in order to allow the
1010 * structure to grow in the future.
1012 buflen = sizeof(struct iw_range) + 500;
1013 range = os_zalloc(buflen);
1017 memset(&iwr, 0, sizeof(iwr));
1018 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1019 iwr.u.data.pointer = (caddr_t) range;
1020 iwr.u.data.length = buflen;
1022 minlen = ((char *) &range->enc_capa) - (char *) range +
1023 sizeof(range->enc_capa);
1025 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1026 perror("ioctl[SIOCGIWRANGE]");
1029 } else if (iwr.u.data.length >= minlen &&
1030 range->we_version_compiled >= 18) {
1031 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1032 "WE(source)=%d enc_capa=0x%x",
1033 range->we_version_compiled,
1034 range->we_version_source,
1036 drv->we_version = range->we_version_compiled;
1044 static int hostap_wireless_event_init(struct hostap_driver_data *drv)
1047 struct sockaddr_nl local;
1049 hostap_get_we_version(drv);
1051 drv->wext_sock = -1;
1053 s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
1055 perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
1059 memset(&local, 0, sizeof(local));
1060 local.nl_family = AF_NETLINK;
1061 local.nl_groups = RTMGRP_LINK;
1062 if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
1063 perror("bind(netlink)");
1068 eloop_register_read_sock(s, hostapd_wireless_event_receive, drv,
1076 static void hostap_wireless_event_deinit(struct hostap_driver_data *drv)
1078 if (drv->wext_sock < 0)
1080 eloop_unregister_read_sock(drv->wext_sock);
1081 close(drv->wext_sock);
1085 static void * hostap_init(struct hostapd_data *hapd,
1086 struct wpa_init_params *params)
1088 struct hostap_driver_data *drv;
1090 drv = os_zalloc(sizeof(struct hostap_driver_data));
1092 printf("Could not allocate memory for hostapd driver data\n");
1097 drv->ioctl_sock = drv->sock = -1;
1098 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1100 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1101 if (drv->ioctl_sock < 0) {
1102 perror("socket[PF_INET,SOCK_DGRAM]");
1107 if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 1)) {
1108 printf("Could not enable hostapd mode for interface %s\n",
1110 close(drv->ioctl_sock);
1115 if (hostap_init_sockets(drv, params->own_addr) ||
1116 hostap_wireless_event_init(drv)) {
1117 close(drv->ioctl_sock);
1126 static void hostap_driver_deinit(void *priv)
1128 struct hostap_driver_data *drv = priv;
1130 hostap_wireless_event_deinit(drv);
1131 (void) hostap_set_iface_flags(drv, 0);
1132 (void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 0);
1133 (void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD_STA, 0);
1135 if (drv->ioctl_sock >= 0)
1136 close(drv->ioctl_sock);
1141 os_free(drv->generic_ie);
1142 os_free(drv->wps_ie);
1148 static int hostap_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
1151 struct hostap_driver_data *drv = priv;
1152 struct ieee80211_mgmt mgmt;
1154 memset(&mgmt, 0, sizeof(mgmt));
1155 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1156 WLAN_FC_STYPE_DEAUTH);
1157 memcpy(mgmt.da, addr, ETH_ALEN);
1158 memcpy(mgmt.sa, own_addr, ETH_ALEN);
1159 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
1160 mgmt.u.deauth.reason_code = host_to_le16(reason);
1161 return hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
1162 sizeof(mgmt.u.deauth));
1166 static int hostap_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
1169 struct hostap_driver_data *drv = priv;
1170 struct ieee80211_mgmt mgmt;
1172 memset(&mgmt, 0, sizeof(mgmt));
1173 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1174 WLAN_FC_STYPE_DISASSOC);
1175 memcpy(mgmt.da, addr, ETH_ALEN);
1176 memcpy(mgmt.sa, own_addr, ETH_ALEN);
1177 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
1178 mgmt.u.disassoc.reason_code = host_to_le16(reason);
1179 return hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
1180 sizeof(mgmt.u.disassoc));
1184 static struct hostapd_hw_modes * hostap_get_hw_feature_data(void *priv,
1188 struct hostapd_hw_modes *mode;
1190 const short chan2freq[14] = {
1191 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1192 2447, 2452, 2457, 2462, 2467, 2472, 2484
1195 mode = os_zalloc(sizeof(struct hostapd_hw_modes));
1202 mode->mode = HOSTAPD_MODE_IEEE80211B;
1203 mode->num_channels = 14;
1204 mode->num_rates = 4;
1206 clen = mode->num_channels * sizeof(struct hostapd_channel_data);
1207 rlen = mode->num_rates * sizeof(int);
1209 mode->channels = os_zalloc(clen);
1210 mode->rates = os_zalloc(rlen);
1211 if (mode->channels == NULL || mode->rates == NULL) {
1212 os_free(mode->channels);
1213 os_free(mode->rates);
1218 for (i = 0; i < 14; i++) {
1219 mode->channels[i].chan = i + 1;
1220 mode->channels[i].freq = chan2freq[i];
1221 /* TODO: Get allowed channel list from the driver */
1223 mode->channels[i].flag = HOSTAPD_CHAN_DISABLED;
1226 mode->rates[0] = 10;
1227 mode->rates[1] = 20;
1228 mode->rates[2] = 55;
1229 mode->rates[3] = 110;
1236 struct wpa_driver_hostap_data {
1237 void *wext; /* private data for driver_wext */
1239 char ifname[IFNAMSIZ + 1];
1241 int current_mode; /* infra/adhoc */
1245 static int wpa_driver_hostap_set_auth_alg(void *priv, int auth_alg);
1248 static int hostapd_ioctl(struct wpa_driver_hostap_data *drv,
1249 struct prism2_hostapd_param *param,
1250 int len, int show_err)
1254 os_memset(&iwr, 0, sizeof(iwr));
1255 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1256 iwr.u.data.pointer = (caddr_t) param;
1257 iwr.u.data.length = len;
1259 if (ioctl(drv->sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
1262 perror("ioctl[PRISM2_IOCTL_HOSTAPD]");
1270 static int wpa_driver_hostap_set_wpa_ie(struct wpa_driver_hostap_data *drv,
1271 const u8 *wpa_ie, size_t wpa_ie_len)
1273 struct prism2_hostapd_param *param;
1275 size_t blen = PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN + wpa_ie_len;
1276 if (blen < sizeof(*param))
1277 blen = sizeof(*param);
1279 param = os_zalloc(blen);
1283 param->cmd = PRISM2_HOSTAPD_SET_GENERIC_ELEMENT;
1284 param->u.generic_elem.len = wpa_ie_len;
1285 os_memcpy(param->u.generic_elem.data, wpa_ie, wpa_ie_len);
1286 res = hostapd_ioctl(drv, param, blen, 1);
1294 static int prism2param(struct wpa_driver_hostap_data *drv, int param,
1300 os_memset(&iwr, 0, sizeof(iwr));
1301 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1302 i = (int *) iwr.u.name;
1306 if (ioctl(drv->sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
1307 perror("ioctl[PRISM2_IOCTL_PRISM2_PARAM]");
1314 static int wpa_driver_hostap_set_wpa(void *priv, int enabled)
1316 struct wpa_driver_hostap_data *drv = priv;
1319 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1321 if (!enabled && wpa_driver_hostap_set_wpa_ie(drv, NULL, 0) < 0)
1323 if (prism2param(drv, PRISM2_PARAM_HOST_ROAMING, enabled ? 2 : 0) < 0)
1325 if (prism2param(drv, PRISM2_PARAM_WPA, enabled) < 0)
1332 static void show_set_key_error(struct prism2_hostapd_param *param)
1334 switch (param->u.crypt.err) {
1335 case HOSTAP_CRYPT_ERR_UNKNOWN_ALG:
1336 wpa_printf(MSG_INFO, "Unknown algorithm '%s'.",
1337 param->u.crypt.alg);
1338 wpa_printf(MSG_INFO, "You may need to load kernel module to "
1339 "register that algorithm.");
1340 wpa_printf(MSG_INFO, "E.g., 'modprobe hostap_crypt_wep' for "
1343 case HOSTAP_CRYPT_ERR_UNKNOWN_ADDR:
1344 wpa_printf(MSG_INFO, "Unknown address " MACSTR ".",
1345 MAC2STR(param->sta_addr));
1347 case HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED:
1348 wpa_printf(MSG_INFO, "Crypt algorithm initialization failed.");
1350 case HOSTAP_CRYPT_ERR_KEY_SET_FAILED:
1351 wpa_printf(MSG_INFO, "Key setting failed.");
1353 case HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED:
1354 wpa_printf(MSG_INFO, "TX key index setting failed.");
1356 case HOSTAP_CRYPT_ERR_CARD_CONF_FAILED:
1357 wpa_printf(MSG_INFO, "Card configuration failed.");
1363 static int wpa_driver_hostap_set_key(const char *ifname, void *priv,
1364 wpa_alg alg, const u8 *addr, int key_idx,
1365 int set_tx, const u8 *seq, size_t seq_len,
1366 const u8 *key, size_t key_len)
1368 struct wpa_driver_hostap_data *drv = priv;
1369 struct prism2_hostapd_param *param;
1392 wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
1393 "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
1394 (unsigned long) seq_len, (unsigned long) key_len);
1399 blen = sizeof(*param) + key_len;
1400 buf = os_zalloc(blen);
1404 param = (struct prism2_hostapd_param *) buf;
1405 param->cmd = PRISM2_SET_ENCRYPTION;
1406 /* TODO: In theory, STA in client mode can use five keys; four default
1407 * keys for receiving (with keyidx 0..3) and one individual key for
1408 * both transmitting and receiving (keyidx 0) _unicast_ packets. Now,
1409 * keyidx 0 is reserved for this unicast use and default keys can only
1410 * use keyidx 1..3 (i.e., default key with keyidx 0 is not supported).
1411 * This should be fine for more or less all cases, but for completeness
1412 * sake, the driver could be enhanced to support the missing key. */
1415 os_memset(param->sta_addr, 0xff, ETH_ALEN);
1417 os_memcpy(param->sta_addr, addr, ETH_ALEN);
1419 os_memset(param->sta_addr, 0xff, ETH_ALEN);
1421 os_strlcpy((char *) param->u.crypt.alg, alg_name,
1422 HOSTAP_CRYPT_ALG_NAME_LEN);
1423 param->u.crypt.flags = set_tx ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
1424 param->u.crypt.idx = key_idx;
1425 os_memcpy(param->u.crypt.seq, seq, seq_len);
1426 param->u.crypt.key_len = key_len;
1427 os_memcpy((u8 *) (param + 1), key, key_len);
1429 if (hostapd_ioctl(drv, param, blen, 1)) {
1430 wpa_printf(MSG_WARNING, "Failed to set encryption.");
1431 show_set_key_error(param);
1440 static int wpa_driver_hostap_set_countermeasures(void *priv, int enabled)
1442 struct wpa_driver_hostap_data *drv = priv;
1443 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1444 return prism2param(drv, PRISM2_PARAM_TKIP_COUNTERMEASURES, enabled);
1448 static int wpa_driver_hostap_reset(struct wpa_driver_hostap_data *drv,
1454 wpa_printf(MSG_DEBUG, "%s: type=%d", __FUNCTION__, type);
1456 os_memset(&iwr, 0, sizeof(iwr));
1457 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1458 i = (int *) iwr.u.name;
1461 if (ioctl(drv->sock, PRISM2_IOCTL_RESET, &iwr) < 0) {
1462 perror("ioctl[PRISM2_IOCTL_RESET]");
1469 static int wpa_driver_hostap_mlme(struct wpa_driver_hostap_data *drv,
1470 const u8 *addr, int cmd, int reason_code)
1472 struct prism2_hostapd_param param;
1475 /* There does not seem to be a better way of deauthenticating or
1476 * disassociating with Prism2/2.5/3 than sending the management frame
1477 * and then resetting the Port0 to make sure both the AP and the STA
1478 * end up in disconnected state. */
1479 os_memset(¶m, 0, sizeof(param));
1480 param.cmd = PRISM2_HOSTAPD_MLME;
1481 os_memcpy(param.sta_addr, addr, ETH_ALEN);
1482 param.u.mlme.cmd = cmd;
1483 param.u.mlme.reason_code = reason_code;
1484 ret = hostapd_ioctl(drv, ¶m, sizeof(param), 1);
1486 os_sleep(0, 100000);
1487 ret = wpa_driver_hostap_reset(drv, 2);
1493 static int wpa_driver_hostap_deauthenticate(void *priv, const u8 *addr,
1496 struct wpa_driver_hostap_data *drv = priv;
1497 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1498 return wpa_driver_hostap_mlme(drv, addr, MLME_STA_DEAUTH,
1503 static int wpa_driver_hostap_disassociate(void *priv, const u8 *addr,
1506 struct wpa_driver_hostap_data *drv = priv;
1507 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1508 return wpa_driver_hostap_mlme(drv, addr, MLME_STA_DISASSOC,
1514 wpa_driver_hostap_associate(void *priv,
1515 struct wpa_driver_associate_params *params)
1517 struct wpa_driver_hostap_data *drv = priv;
1519 int allow_unencrypted_eapol;
1521 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1523 if (prism2param(drv, PRISM2_PARAM_DROP_UNENCRYPTED,
1524 params->drop_unencrypted) < 0)
1526 if (wpa_driver_hostap_set_auth_alg(drv, params->auth_alg) < 0)
1528 if (params->mode != drv->current_mode) {
1529 /* At the moment, Host AP driver requires host_roaming=2 for
1530 * infrastructure mode and host_roaming=0 for adhoc. */
1531 if (prism2param(drv, PRISM2_PARAM_HOST_ROAMING,
1532 params->mode == IEEE80211_MODE_IBSS ? 0 : 2) <
1534 wpa_printf(MSG_DEBUG, "%s: failed to set host_roaming",
1537 drv->current_mode = params->mode;
1540 if (prism2param(drv, PRISM2_PARAM_PRIVACY_INVOKED,
1541 params->key_mgmt_suite != KEY_MGMT_NONE) < 0)
1543 if (wpa_driver_hostap_set_wpa_ie(drv, params->wpa_ie,
1544 params->wpa_ie_len) < 0)
1546 if (wpa_driver_wext_set_mode(drv->wext, params->mode) < 0)
1549 wpa_driver_wext_set_freq(drv->wext, params->freq) < 0)
1551 if (wpa_driver_wext_set_ssid(drv->wext, params->ssid, params->ssid_len)
1554 if (wpa_driver_wext_set_bssid(drv->wext, params->bssid) < 0)
1557 /* Allow unencrypted EAPOL messages even if pairwise keys are set when
1558 * not using WPA. IEEE 802.1X specifies that these frames are not
1559 * encrypted, but WPA encrypts them when pairwise keys are in use. */
1560 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
1561 params->key_mgmt_suite == KEY_MGMT_PSK)
1562 allow_unencrypted_eapol = 0;
1564 allow_unencrypted_eapol = 1;
1566 if (prism2param(drv, PRISM2_PARAM_IEEE_802_1X,
1567 allow_unencrypted_eapol) < 0) {
1568 wpa_printf(MSG_DEBUG, "hostap: Failed to configure "
1569 "ieee_802_1x param");
1570 /* Ignore this error.. driver_hostap.c can also be used with
1571 * other drivers that do not support this prism2_param. */
1578 static int wpa_driver_hostap_scan(void *priv,
1579 struct wpa_driver_scan_params *params)
1581 struct wpa_driver_hostap_data *drv = priv;
1582 struct prism2_hostapd_param param;
1584 const u8 *ssid = params->ssids[0].ssid;
1585 size_t ssid_len = params->ssids[0].ssid_len;
1588 /* Use standard Linux Wireless Extensions ioctl if possible
1589 * because some drivers using hostap code in wpa_supplicant
1590 * might not support Host AP specific scan request (with SSID
1592 return wpa_driver_wext_scan(drv->wext, params);
1598 os_memset(¶m, 0, sizeof(param));
1599 param.cmd = PRISM2_HOSTAPD_SCAN_REQ;
1600 param.u.scan_req.ssid_len = ssid_len;
1601 os_memcpy(param.u.scan_req.ssid, ssid, ssid_len);
1602 ret = hostapd_ioctl(drv, ¶m, sizeof(param), 1);
1604 /* Not all drivers generate "scan completed" wireless event, so try to
1605 * read results after a timeout. */
1606 eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext,
1608 eloop_register_timeout(3, 0, wpa_driver_wext_scan_timeout, drv->wext,
1615 static int wpa_driver_hostap_set_auth_alg(void *priv, int auth_alg)
1617 struct wpa_driver_hostap_data *drv = priv;
1620 if (auth_alg & AUTH_ALG_OPEN_SYSTEM)
1622 if (auth_alg & AUTH_ALG_SHARED_KEY)
1624 if (auth_alg & AUTH_ALG_LEAP)
1627 algs = 1; /* at least one algorithm should be set */
1629 return prism2param(drv, PRISM2_PARAM_AP_AUTH_ALGS, algs);
1633 static int wpa_driver_hostap_get_bssid(void *priv, u8 *bssid)
1635 struct wpa_driver_hostap_data *drv = priv;
1636 return wpa_driver_wext_get_bssid(drv->wext, bssid);
1640 static int wpa_driver_hostap_get_ssid(void *priv, u8 *ssid)
1642 struct wpa_driver_hostap_data *drv = priv;
1643 return wpa_driver_wext_get_ssid(drv->wext, ssid);
1647 static struct wpa_scan_results * wpa_driver_hostap_get_scan_results(void *priv)
1649 struct wpa_driver_hostap_data *drv = priv;
1650 return wpa_driver_wext_get_scan_results(drv->wext);
1654 static int wpa_driver_hostap_set_operstate(void *priv, int state)
1656 struct wpa_driver_hostap_data *drv = priv;
1657 return wpa_driver_wext_set_operstate(drv->wext, state);
1661 static void * wpa_driver_hostap_init(void *ctx, const char *ifname)
1663 struct wpa_driver_hostap_data *drv;
1665 drv = os_zalloc(sizeof(*drv));
1668 drv->wext = wpa_driver_wext_init(ctx, ifname);
1669 if (drv->wext == NULL) {
1675 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1676 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1677 if (drv->sock < 0) {
1679 wpa_driver_wext_deinit(drv->wext);
1684 if (os_strncmp(ifname, "wlan", 4) == 0) {
1686 * Host AP driver may use both wlan# and wifi# interface in
1689 char ifname2[IFNAMSIZ + 1];
1690 os_strlcpy(ifname2, ifname, sizeof(ifname2));
1691 os_memcpy(ifname2, "wifi", 4);
1692 wpa_driver_wext_alternative_ifindex(drv->wext, ifname2);
1695 wpa_driver_hostap_set_wpa(drv, 1);
1701 static void wpa_driver_hostap_deinit(void *priv)
1703 struct wpa_driver_hostap_data *drv = priv;
1704 wpa_driver_hostap_set_wpa(drv, 0);
1705 wpa_driver_wext_deinit(drv->wext);
1710 #endif /* HOSTAPD */
1713 const struct wpa_driver_ops wpa_driver_hostap_ops = {
1715 .desc = "Host AP driver (Intersil Prism2/2.5/3)",
1716 .set_key = wpa_driver_hostap_set_key,
1718 .hapd_init = hostap_init,
1719 .hapd_deinit = hostap_driver_deinit,
1720 .set_ieee8021x = hostap_set_ieee8021x,
1721 .set_privacy = hostap_set_privacy,
1722 .get_seqnum = hostap_get_seqnum,
1723 .flush = hostap_flush,
1724 .set_generic_elem = hostap_set_generic_elem,
1725 .read_sta_data = hostap_read_sta_data,
1726 .hapd_send_eapol = hostap_send_eapol,
1727 .sta_set_flags = hostap_sta_set_flags,
1728 .sta_deauth = hostap_sta_deauth,
1729 .sta_disassoc = hostap_sta_disassoc,
1730 .sta_remove = hostap_sta_remove,
1731 .hapd_set_ssid = hostap_set_ssid,
1732 .send_mlme = hostap_send_mlme,
1733 .sta_add = hostap_sta_add,
1734 .get_inact_sec = hostap_get_inact_sec,
1735 .sta_clear_stats = hostap_sta_clear_stats,
1736 .get_hw_feature_data = hostap_get_hw_feature_data,
1737 .set_wps_beacon_ie = hostap_set_wps_beacon_ie,
1738 .set_wps_probe_resp_ie = hostap_set_wps_probe_resp_ie,
1740 .get_bssid = wpa_driver_hostap_get_bssid,
1741 .get_ssid = wpa_driver_hostap_get_ssid,
1742 .set_countermeasures = wpa_driver_hostap_set_countermeasures,
1743 .scan2 = wpa_driver_hostap_scan,
1744 .get_scan_results2 = wpa_driver_hostap_get_scan_results,
1745 .deauthenticate = wpa_driver_hostap_deauthenticate,
1746 .disassociate = wpa_driver_hostap_disassociate,
1747 .associate = wpa_driver_hostap_associate,
1748 .init = wpa_driver_hostap_init,
1749 .deinit = wpa_driver_hostap_deinit,
1750 .set_operstate = wpa_driver_hostap_set_operstate,
1751 #endif /* HOSTAPD */