contrib/hostapd/hostapd/driver_hostap.c

   1 /*
   2  * hostapd / Kernel driver communication with Linux Host AP driver
   3  * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
   4  *
   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.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #include "includes.h"
  16 #include <sys/ioctl.h>
  17
  18 #ifdef USE_KERNEL_HEADERS
  19 /* compat-wireless does not include linux/compiler.h to define __user, so
  20  * define it here */
  21 #ifndef __user
  22 #define __user
  23 #endif /* __user */
  24 #include <asm/types.h>
  25 #include <linux/if_packet.h>
  26 #include <linux/if_ether.h>   /* The L2 protocols */
  27 #include <linux/if_arp.h>
  28 #include <linux/wireless.h>
  29 #else /* USE_KERNEL_HEADERS */
  30 #include <net/if_arp.h>
  31 #include <netpacket/packet.h>
  32 #include "wireless_copy.h"
  33 #endif /* USE_KERNEL_HEADERS */
  34
  35 #include "hostapd.h"
  36 #include "driver.h"
  37 #include "ieee802_1x.h"
  38 #include "eloop.h"
  39 #include "priv_netlink.h"
  40 #include "ieee802_11.h"
  41 #include "sta_info.h"
  42 #include "hostap_common.h"
  43 #include "hw_features.h"
  44
  45
  46 struct hostap_driver_data {
  47         struct hostapd_data *hapd;
  48
  49         char iface[IFNAMSIZ + 1];
  50         int sock; /* raw packet socket for driver access */
  51         int ioctl_sock; /* socket for ioctl() use */
  52         int wext_sock; /* socket for wireless events */
  53
  54         int we_version;
  55
  56         u8 *generic_ie;
  57         size_t generic_ie_len;
  58         u8 *wps_ie;
  59         size_t wps_ie_len;
  60 };
  61
  62
  63 static int hostapd_ioctl(void *priv, struct prism2_hostapd_param *param,
  64                          int len);
  65 static int hostap_set_iface_flags(void *priv, int dev_up);
  66
  67 static void handle_data(struct hostapd_data *hapd, u8 *buf, size_t len,
  68                         u16 stype)
  69 {
  70         struct ieee80211_hdr *hdr;
  71         u16 fc, ethertype;
  72         u8 *pos, *sa;
  73         size_t left;
  74         struct sta_info *sta;
  75
  76         if (len < sizeof(struct ieee80211_hdr))
  77                 return;
  78
  79         hdr = (struct ieee80211_hdr *) buf;
  80         fc = le_to_host16(hdr->frame_control);
  81
  82         if ((fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) != WLAN_FC_TODS) {
  83                 printf("Not ToDS data frame (fc=0x%04x)\n", fc);
  84                 return;
  85         }
  86
  87         sa = hdr->addr2;
  88         sta = ap_get_sta(hapd, sa);
  89         if (!sta || !(sta->flags & WLAN_STA_ASSOC)) {
  90                 printf("Data frame from not associated STA " MACSTR "\n",
  91                        MAC2STR(sa));
  92                 if (sta && (sta->flags & WLAN_STA_AUTH))
  93                         hostapd_sta_disassoc(
  94                                 hapd, sa,
  95                                 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
  96                 else
  97                         hostapd_sta_deauth(
  98                                 hapd, sa,
  99                                 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
 100                 return;
 101         }
 102
 103         pos = (u8 *) (hdr + 1);
 104         left = len - sizeof(*hdr);
 105
 106         if (left < sizeof(rfc1042_header)) {
 107                 printf("Too short data frame\n");
 108                 return;
 109         }
 110
 111         if (memcmp(pos, rfc1042_header, sizeof(rfc1042_header)) != 0) {
 112                 printf("Data frame with no RFC1042 header\n");
 113                 return;
 114         }
 115         pos += sizeof(rfc1042_header);
 116         left -= sizeof(rfc1042_header);
 117
 118         if (left < 2) {
 119                 printf("No ethertype in data frame\n");
 120                 return;
 121         }
 122
 123         ethertype = WPA_GET_BE16(pos);
 124         pos += 2;
 125         left -= 2;
 126         switch (ethertype) {
 127         case ETH_P_PAE:
 128                 ieee802_1x_receive(hapd, sa, pos, left);
 129                 break;
 130
 131         default:
 132                 printf("Unknown ethertype 0x%04x in data frame\n", ethertype);
 133                 break;
 134         }
 135 }
 136
 137
 138 static void handle_tx_callback(struct hostapd_data *hapd, u8 *buf, size_t len,
 139                                int ok)
 140 {
 141         struct ieee80211_hdr *hdr;
 142         u16 fc, type, stype;
 143         struct sta_info *sta;
 144
 145         hdr = (struct ieee80211_hdr *) buf;
 146         fc = le_to_host16(hdr->frame_control);
 147
 148         type = WLAN_FC_GET_TYPE(fc);
 149         stype = WLAN_FC_GET_STYPE(fc);
 150
 151         switch (type) {
 152         case WLAN_FC_TYPE_MGMT:
 153                 wpa_printf(MSG_DEBUG, "MGMT (TX callback) %s",
 154                            ok ? "ACK" : "fail");
 155                 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
 156                 break;
 157         case WLAN_FC_TYPE_CTRL:
 158                 wpa_printf(MSG_DEBUG, "CTRL (TX callback) %s",
 159                            ok ? "ACK" : "fail");
 160                 break;
 161         case WLAN_FC_TYPE_DATA:
 162                 wpa_printf(MSG_DEBUG, "DATA (TX callback) %s",
 163                            ok ? "ACK" : "fail");
 164                 sta = ap_get_sta(hapd, hdr->addr1);
 165                 if (sta && sta->flags & WLAN_STA_PENDING_POLL) {
 166                         wpa_printf(MSG_DEBUG, "STA " MACSTR
 167                                    " %s pending activity poll",
 168                                    MAC2STR(sta->addr),
 169                                    ok ? "ACKed" : "did not ACK");
 170                         if (ok)
 171                                 sta->flags &= ~WLAN_STA_PENDING_POLL;
 172                 }
 173                 if (sta)
 174                         ieee802_1x_tx_status(hapd, sta, buf, len, ok);
 175                 break;
 176         default:
 177                 printf("unknown TX callback frame type %d\n", type);
 178                 break;
 179         }
 180 }
 181
 182
 183 static void handle_frame(struct hostapd_data *hapd, u8 *buf, size_t len)
 184 {
 185         struct ieee80211_hdr *hdr;
 186         u16 fc, extra_len, type, stype;
 187         unsigned char *extra = NULL;
 188         size_t data_len = len;
 189         int ver;
 190
 191         /* PSPOLL is only 16 bytes, but driver does not (at least yet) pass
 192          * these to user space */
 193         if (len < 24) {
 194                 wpa_printf(MSG_MSGDUMP, "handle_frame: too short (%lu)",
 195                            (unsigned long) len);
 196                 return;
 197         }
 198
 199         hdr = (struct ieee80211_hdr *) buf;
 200         fc = le_to_host16(hdr->frame_control);
 201         type = WLAN_FC_GET_TYPE(fc);
 202         stype = WLAN_FC_GET_STYPE(fc);
 203
 204         if (type != WLAN_FC_TYPE_MGMT || stype != WLAN_FC_STYPE_BEACON) {
 205                 wpa_hexdump(MSG_MSGDUMP, "Received management frame",
 206                             buf, len);
 207         }
 208
 209         ver = fc & WLAN_FC_PVER;
 210
 211         /* protocol version 3 is reserved for indicating extra data after the
 212          * payload, version 2 for indicating ACKed frame (TX callbacks), and
 213          * version 1 for indicating failed frame (no ACK, TX callbacks) */
 214         if (ver == 3) {
 215                 u8 *pos = buf + len - 2;
 216                 extra_len = WPA_GET_LE16(pos);
 217                 printf("extra data in frame (elen=%d)\n", extra_len);
 218                 if ((size_t) extra_len + 2 > len) {
 219                         printf("  extra data overflow\n");
 220                         return;
 221                 }
 222                 len -= extra_len + 2;
 223                 extra = buf + len;
 224         } else if (ver == 1 || ver == 2) {
 225                 handle_tx_callback(hapd, buf, data_len, ver == 2 ? 1 : 0);
 226                 return;
 227         } else if (ver != 0) {
 228                 printf("unknown protocol version %d\n", ver);
 229                 return;
 230         }
 231
 232         switch (type) {
 233         case WLAN_FC_TYPE_MGMT:
 234                 if (stype != WLAN_FC_STYPE_BEACON)
 235                         wpa_printf(MSG_MSGDUMP, "MGMT");
 236                 ieee802_11_mgmt(hapd, buf, data_len, stype, NULL);
 237                 break;
 238         case WLAN_FC_TYPE_CTRL:
 239                 wpa_printf(MSG_DEBUG, "CTRL");
 240                 break;
 241         case WLAN_FC_TYPE_DATA:
 242                 wpa_printf(MSG_DEBUG, "DATA");
 243                 handle_data(hapd, buf, data_len, stype);
 244                 break;
 245         default:
 246                 wpa_printf(MSG_DEBUG, "unknown frame type %d", type);
 247                 break;
 248         }
 249 }
 250
 251
 252 static void handle_read(int sock, void *eloop_ctx, void *sock_ctx)
 253 {
 254         struct hostapd_data *hapd = (struct hostapd_data *) eloop_ctx;
 255         int len;
 256         unsigned char buf[3000];
 257
 258         len = recv(sock, buf, sizeof(buf), 0);
 259         if (len < 0) {
 260                 perror("recv");
 261                 return;
 262         }
 263
 264         handle_frame(hapd, buf, len);
 265 }
 266
 267
 268 static int hostap_init_sockets(struct hostap_driver_data *drv)
 269 {
 270         struct ifreq ifr;
 271         struct sockaddr_ll addr;
 272
 273         drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
 274         if (drv->sock < 0) {
 275                 perror("socket[PF_PACKET,SOCK_RAW]");
 276                 return -1;
 277         }
 278
 279         if (eloop_register_read_sock(drv->sock, handle_read, drv->hapd, NULL))
 280         {
 281                 printf("Could not register read socket\n");
 282                 return -1;
 283         }
 284
 285         memset(&ifr, 0, sizeof(ifr));
 286         snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%sap", drv->iface);
 287         if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
 288                 perror("ioctl(SIOCGIFINDEX)");
 289                 return -1;
 290         }
 291
 292         if (hostap_set_iface_flags(drv, 1)) {
 293                 return -1;
 294         }
 295
 296         memset(&addr, 0, sizeof(addr));
 297         addr.sll_family = AF_PACKET;
 298         addr.sll_ifindex = ifr.ifr_ifindex;
 299         wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
 300                    addr.sll_ifindex);
 301
 302         if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
 303                 perror("bind");
 304                 return -1;
 305         }
 306
 307         memset(&ifr, 0, sizeof(ifr));
 308         os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
 309         if (ioctl(drv->sock, SIOCGIFHWADDR, &ifr) != 0) {
 310                 perror("ioctl(SIOCGIFHWADDR)");
 311                 return -1;
 312         }
 313
 314         if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
 315                 printf("Invalid HW-addr family 0x%04x\n",
 316                        ifr.ifr_hwaddr.sa_family);
 317                 return -1;
 318         }
 319         memcpy(drv->hapd->own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
 320
 321         return 0;
 322 }
 323
 324
 325 static int hostap_send_mgmt_frame(void *priv, const void *msg, size_t len,
 326                                   int flags)
 327 {
 328         struct hostap_driver_data *drv = priv;
 329         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) msg;
 330         int res;
 331
 332         /* Request TX callback */
 333         hdr->frame_control |= host_to_le16(BIT(1));
 334         res = send(drv->sock, msg, len, flags);
 335         hdr->frame_control &= ~host_to_le16(BIT(1));
 336
 337         return res;
 338 }
 339
 340
 341 static int hostap_send_eapol(void *priv, const u8 *addr, const u8 *data,
 342                              size_t data_len, int encrypt, const u8 *own_addr)
 343 {
 344         struct hostap_driver_data *drv = priv;
 345         struct ieee80211_hdr *hdr;
 346         size_t len;
 347         u8 *pos;
 348         int res;
 349
 350         len = sizeof(*hdr) + sizeof(rfc1042_header) + 2 + data_len;
 351         hdr = os_zalloc(len);
 352         if (hdr == NULL) {
 353                 printf("malloc() failed for hostapd_send_data(len=%lu)\n",
 354                        (unsigned long) len);
 355                 return -1;
 356         }
 357
 358         hdr->frame_control =
 359                 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
 360         hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
 361         if (encrypt)
 362                 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
 363         memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
 364         memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
 365         memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
 366
 367         pos = (u8 *) (hdr + 1);
 368         memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
 369         pos += sizeof(rfc1042_header);
 370         *((u16 *) pos) = htons(ETH_P_PAE);
 371         pos += 2;
 372         memcpy(pos, data, data_len);
 373
 374         res = hostap_send_mgmt_frame(drv, (u8 *) hdr, len, 0);
 375         free(hdr);
 376
 377         if (res < 0) {
 378                 perror("hostapd_send_eapol: send");
 379                 printf("hostapd_send_eapol - packet len: %lu - failed\n",
 380                        (unsigned long) len);
 381         }
 382
 383         return res;
 384 }
 385
 386
 387 static int hostap_sta_set_flags(void *priv, const u8 *addr,
 388                                 int total_flags, int flags_or, int flags_and)
 389 {
 390         struct hostap_driver_data *drv = priv;
 391         struct prism2_hostapd_param param;
 392
 393         memset(&param, 0, sizeof(param));
 394         param.cmd = PRISM2_HOSTAPD_SET_FLAGS_STA;
 395         memcpy(param.sta_addr, addr, ETH_ALEN);
 396         param.u.set_flags_sta.flags_or = flags_or;
 397         param.u.set_flags_sta.flags_and = flags_and;
 398         return hostapd_ioctl(drv, &param, sizeof(param));
 399 }
 400
 401
 402 static int hostap_set_iface_flags(void *priv, int dev_up)
 403 {
 404         struct hostap_driver_data *drv = priv;
 405         struct ifreq ifr;
 406
 407         if (drv->ioctl_sock < 0)
 408                 return -1;
 409
 410         memset(&ifr, 0, sizeof(ifr));
 411         snprintf(ifr.ifr_name, IFNAMSIZ, "%sap", drv->iface);
 412
 413         if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
 414                 perror("ioctl[SIOCGIFFLAGS]");
 415                 return -1;
 416         }
 417
 418         if (dev_up)
 419                 ifr.ifr_flags |= IFF_UP;
 420         else
 421                 ifr.ifr_flags &= ~IFF_UP;
 422
 423         if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
 424                 perror("ioctl[SIOCSIFFLAGS]");
 425                 return -1;
 426         }
 427
 428         if (dev_up) {
 429                 memset(&ifr, 0, sizeof(ifr));
 430                 snprintf(ifr.ifr_name, IFNAMSIZ, "%sap", drv->iface);
 431                 ifr.ifr_mtu = HOSTAPD_MTU;
 432                 if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
 433                         perror("ioctl[SIOCSIFMTU]");
 434                         printf("Setting MTU failed - trying to survive with "
 435                                "current value\n");
 436                 }
 437         }
 438
 439         return 0;
 440 }
 441
 442
 443 static int hostapd_ioctl(void *priv, struct prism2_hostapd_param *param,
 444                          int len)
 445 {
 446         struct hostap_driver_data *drv = priv;
 447         struct iwreq iwr;
 448
 449         memset(&iwr, 0, sizeof(iwr));
 450         os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
 451         iwr.u.data.pointer = (caddr_t) param;
 452         iwr.u.data.length = len;
 453
 454         if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
 455                 perror("ioctl[PRISM2_IOCTL_HOSTAPD]");
 456                 return -1;
 457         }
 458
 459         return 0;
 460 }
 461
 462
 463 static int hostap_set_encryption(const char *ifname, void *priv,
 464                                  const char *alg, const u8 *addr,
 465                                  int idx, const u8 *key, size_t key_len,
 466                                  int txkey)
 467 {
 468         struct hostap_driver_data *drv = priv;
 469         struct prism2_hostapd_param *param;
 470         u8 *buf;
 471         size_t blen;
 472         int ret = 0;
 473
 474         blen = sizeof(*param) + key_len;
 475         buf = os_zalloc(blen);
 476         if (buf == NULL)
 477                 return -1;
 478
 479         param = (struct prism2_hostapd_param *) buf;
 480         param->cmd = PRISM2_SET_ENCRYPTION;
 481         if (addr == NULL)
 482                 memset(param->sta_addr, 0xff, ETH_ALEN);
 483         else
 484                 memcpy(param->sta_addr, addr, ETH_ALEN);
 485         os_strlcpy((char *) param->u.crypt.alg, alg,
 486                    HOSTAP_CRYPT_ALG_NAME_LEN);
 487         param->u.crypt.flags = txkey ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
 488         param->u.crypt.idx = idx;
 489         param->u.crypt.key_len = key_len;
 490         memcpy((u8 *) (param + 1), key, key_len);
 491
 492         if (hostapd_ioctl(drv, param, blen)) {
 493                 printf("Failed to set encryption.\n");
 494                 ret = -1;
 495         }
 496         free(buf);
 497
 498         return ret;
 499 }
 500
 501
 502 static int hostap_get_seqnum(const char *ifname, void *priv, const u8 *addr,
 503                              int idx, u8 *seq)
 504 {
 505         struct hostap_driver_data *drv = priv;
 506         struct prism2_hostapd_param *param;
 507         u8 *buf;
 508         size_t blen;
 509         int ret = 0;
 510
 511         blen = sizeof(*param) + 32;
 512         buf = os_zalloc(blen);
 513         if (buf == NULL)
 514                 return -1;
 515
 516         param = (struct prism2_hostapd_param *) buf;
 517         param->cmd = PRISM2_GET_ENCRYPTION;
 518         if (addr == NULL)
 519                 memset(param->sta_addr, 0xff, ETH_ALEN);
 520         else
 521                 memcpy(param->sta_addr, addr, ETH_ALEN);
 522         param->u.crypt.idx = idx;
 523
 524         if (hostapd_ioctl(drv, param, blen)) {
 525                 printf("Failed to get encryption.\n");
 526                 ret = -1;
 527         } else {
 528                 memcpy(seq, param->u.crypt.seq, 8);
 529         }
 530         free(buf);
 531
 532         return ret;
 533 }
 534
 535
 536 static int hostap_ioctl_prism2param(void *priv, int param, int value)
 537 {
 538         struct hostap_driver_data *drv = priv;
 539         struct iwreq iwr;
 540         int *i;
 541
 542         memset(&iwr, 0, sizeof(iwr));
 543         os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
 544         i = (int *) iwr.u.name;
 545         *i++ = param;
 546         *i++ = value;
 547
 548         if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
 549                 perror("ioctl[PRISM2_IOCTL_PRISM2_PARAM]");
 550                 return -1;
 551         }
 552
 553         return 0;
 554 }
 555
 556
 557 static int hostap_set_ieee8021x(const char *ifname, void *priv, int enabled)
 558 {
 559         struct hostap_driver_data *drv = priv;
 560
 561         /* enable kernel driver support for IEEE 802.1X */
 562         if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_IEEE_802_1X, enabled)) {
 563                 printf("Could not setup IEEE 802.1X support in kernel driver."
 564                        "\n");
 565                 return -1;
 566         }
 567
 568         if (!enabled)
 569                 return 0;
 570
 571         /* use host driver implementation of encryption to allow
 572          * individual keys and passing plaintext EAPOL frames */
 573         if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_DECRYPT, 1) ||
 574             hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_ENCRYPT, 1)) {
 575                 printf("Could not setup host-based encryption in kernel "
 576                        "driver.\n");
 577                 return -1;
 578         }
 579
 580         return 0;
 581 }
 582
 583
 584 static int hostap_set_privacy(const char *ifname, void *priv, int enabled)
 585 {
 586         struct hostap_drvier_data *drv = priv;
 587
 588         return hostap_ioctl_prism2param(drv, PRISM2_PARAM_PRIVACY_INVOKED,
 589                                         enabled);
 590 }
 591
 592
 593 static int hostap_set_ssid(const char *ifname, void *priv, const u8 *buf,
 594                            int len)
 595 {
 596         struct hostap_driver_data *drv = priv;
 597         struct iwreq iwr;
 598
 599         memset(&iwr, 0, sizeof(iwr));
 600         os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
 601         iwr.u.essid.flags = 1; /* SSID active */
 602         iwr.u.essid.pointer = (caddr_t) buf;
 603         iwr.u.essid.length = len + 1;
 604
 605         if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
 606                 perror("ioctl[SIOCSIWESSID]");
 607                 printf("len=%d\n", len);
 608                 return -1;
 609         }
 610
 611         return 0;
 612 }
 613
 614
 615 static int hostap_flush(void *priv)
 616 {
 617         struct hostap_driver_data *drv = priv;
 618         struct prism2_hostapd_param param;
 619
 620         memset(&param, 0, sizeof(param));
 621         param.cmd = PRISM2_HOSTAPD_FLUSH;
 622         return hostapd_ioctl(drv, &param, sizeof(param));
 623 }
 624
 625
 626 static int hostap_read_sta_data(void *priv,
 627                                 struct hostap_sta_driver_data *data,
 628                                 const u8 *addr)
 629 {
 630         struct hostap_driver_data *drv = priv;
 631         char buf[1024], line[128], *pos;
 632         FILE *f;
 633         unsigned long val;
 634
 635         memset(data, 0, sizeof(*data));
 636         snprintf(buf, sizeof(buf), "/proc/net/hostap/%s/" MACSTR,
 637                  drv->iface, MAC2STR(addr));
 638
 639         f = fopen(buf, "r");
 640         if (!f)
 641                 return -1;
 642         /* Need to read proc file with in one piece, so use large enough
 643          * buffer. */
 644         setbuffer(f, buf, sizeof(buf));
 645
 646         while (fgets(line, sizeof(line), f)) {
 647                 pos = strchr(line, '=');
 648                 if (!pos)
 649                         continue;
 650                 *pos++ = '\0';
 651                 val = strtoul(pos, NULL, 10);
 652                 if (strcmp(line, "rx_packets") == 0)
 653                         data->rx_packets = val;
 654                 else if (strcmp(line, "tx_packets") == 0)
 655                         data->tx_packets = val;
 656                 else if (strcmp(line, "rx_bytes") == 0)
 657                         data->rx_bytes = val;
 658                 else if (strcmp(line, "tx_bytes") == 0)
 659                         data->tx_bytes = val;
 660         }
 661
 662         fclose(f);
 663
 664         return 0;
 665 }
 666
 667
 668 static int hostap_sta_add(const char *ifname, void *priv, const u8 *addr,
 669                           u16 aid, u16 capability, u8 *supp_rates,
 670                           size_t supp_rates_len, int flags,
 671                           u16 listen_interval)
 672 {
 673         struct hostap_driver_data *drv = priv;
 674         struct prism2_hostapd_param param;
 675         int tx_supp_rates = 0;
 676         size_t i;
 677
 678 #define WLAN_RATE_1M BIT(0)
 679 #define WLAN_RATE_2M BIT(1)
 680 #define WLAN_RATE_5M5 BIT(2)
 681 #define WLAN_RATE_11M BIT(3)
 682
 683         for (i = 0; i < supp_rates_len; i++) {
 684                 if ((supp_rates[i] & 0x7f) == 2)
 685                         tx_supp_rates |= WLAN_RATE_1M;
 686                 if ((supp_rates[i] & 0x7f) == 4)
 687                         tx_supp_rates |= WLAN_RATE_2M;
 688                 if ((supp_rates[i] & 0x7f) == 11)
 689                         tx_supp_rates |= WLAN_RATE_5M5;
 690                 if ((supp_rates[i] & 0x7f) == 22)
 691                         tx_supp_rates |= WLAN_RATE_11M;
 692         }
 693
 694         memset(&param, 0, sizeof(param));
 695         param.cmd = PRISM2_HOSTAPD_ADD_STA;
 696         memcpy(param.sta_addr, addr, ETH_ALEN);
 697         param.u.add_sta.aid = aid;
 698         param.u.add_sta.capability = capability;
 699         param.u.add_sta.tx_supp_rates = tx_supp_rates;
 700         return hostapd_ioctl(drv, &param, sizeof(param));
 701 }
 702
 703
 704 static int hostap_sta_remove(void *priv, const u8 *addr)
 705 {
 706         struct hostap_driver_data *drv = priv;
 707         struct prism2_hostapd_param param;
 708
 709         hostap_sta_set_flags(drv, addr, 0, 0, ~WLAN_STA_AUTHORIZED);
 710
 711         memset(&param, 0, sizeof(param));
 712         param.cmd = PRISM2_HOSTAPD_REMOVE_STA;
 713         memcpy(param.sta_addr, addr, ETH_ALEN);
 714         if (hostapd_ioctl(drv, &param, sizeof(param))) {
 715                 printf("Could not remove station from kernel driver.\n");
 716                 return -1;
 717         }
 718         return 0;
 719 }
 720
 721
 722 static int hostap_get_inact_sec(void *priv, const u8 *addr)
 723 {
 724         struct hostap_driver_data *drv = priv;
 725         struct prism2_hostapd_param param;
 726
 727         memset(&param, 0, sizeof(param));
 728         param.cmd = PRISM2_HOSTAPD_GET_INFO_STA;
 729         memcpy(param.sta_addr, addr, ETH_ALEN);
 730         if (hostapd_ioctl(drv, &param, sizeof(param))) {
 731                 return -1;
 732         }
 733
 734         return param.u.get_info_sta.inactive_sec;
 735 }
 736
 737
 738 static int hostap_sta_clear_stats(void *priv, const u8 *addr)
 739 {
 740         struct hostap_driver_data *drv = priv;
 741         struct prism2_hostapd_param param;
 742
 743         memset(&param, 0, sizeof(param));
 744         param.cmd = PRISM2_HOSTAPD_STA_CLEAR_STATS;
 745         memcpy(param.sta_addr, addr, ETH_ALEN);
 746         if (hostapd_ioctl(drv, &param, sizeof(param))) {
 747                 return -1;
 748         }
 749
 750         return 0;
 751 }
 752
 753
 754 static int hostap_set_assoc_ap(void *priv, const u8 *addr)
 755 {
 756         struct hostap_driver_data *drv = priv;
 757         struct prism2_hostapd_param param;
 758
 759         memset(&param, 0, sizeof(param));
 760         param.cmd = PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR;
 761         memcpy(param.sta_addr, addr, ETH_ALEN);
 762         if (hostapd_ioctl(drv, &param, sizeof(param)))
 763                 return -1;
 764
 765         return 0;
 766 }
 767
 768
 769 static int hostapd_ioctl_set_generic_elem(struct hostap_driver_data *drv)
 770 {
 771         struct prism2_hostapd_param *param;
 772         int res;
 773         size_t blen, elem_len;
 774
 775         elem_len = drv->generic_ie_len + drv->wps_ie_len;
 776         blen = PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN + elem_len;
 777         if (blen < sizeof(*param))
 778                 blen = sizeof(*param);
 779
 780         param = os_zalloc(blen);
 781         if (param == NULL)
 782                 return -1;
 783
 784         param->cmd = PRISM2_HOSTAPD_SET_GENERIC_ELEMENT;
 785         param->u.generic_elem.len = elem_len;
 786         if (drv->generic_ie) {
 787                 os_memcpy(param->u.generic_elem.data, drv->generic_ie,
 788                           drv->generic_ie_len);
 789         }
 790         if (drv->wps_ie) {
 791                 os_memcpy(&param->u.generic_elem.data[drv->generic_ie_len],
 792                           drv->wps_ie, drv->wps_ie_len);
 793         }
 794         wpa_hexdump(MSG_DEBUG, "hostap: Set generic IE",
 795                     param->u.generic_elem.data, elem_len);
 796         res = hostapd_ioctl(drv, param, blen);
 797
 798         os_free(param);
 799
 800         return res;
 801 }
 802
 803
 804 static int hostap_set_generic_elem(const char *ifname, void *priv,
 805                                    const u8 *elem, size_t elem_len)
 806 {
 807         struct hostap_driver_data *drv = priv;
 808
 809         os_free(drv->generic_ie);
 810         drv->generic_ie = NULL;
 811         drv->generic_ie_len = 0;
 812         if (elem) {
 813                 drv->generic_ie = os_malloc(elem_len);
 814                 if (drv->generic_ie == NULL)
 815                         return -1;
 816                 os_memcpy(drv->generic_ie, elem, elem_len);
 817                 drv->generic_ie_len = elem_len;
 818         }
 819
 820         return hostapd_ioctl_set_generic_elem(drv);
 821 }
 822
 823
 824 static int hostap_set_wps_beacon_ie(const char *ifname, void *priv,
 825                                     const u8 *ie, size_t len)
 826 {
 827         /* Host AP driver supports only one set of extra IEs, so we need to
 828          * use the ProbeResp IEs also for Beacon frames since they include more
 829          * information. */
 830         return 0;
 831 }
 832
 833
 834 static int hostap_set_wps_probe_resp_ie(const char *ifname, void *priv,
 835                                         const u8 *ie, size_t len)
 836 {
 837         struct hostap_driver_data *drv = priv;
 838
 839         os_free(drv->wps_ie);
 840         drv->wps_ie = NULL;
 841         drv->wps_ie_len = 0;
 842         if (ie) {
 843                 drv->wps_ie = os_malloc(len);
 844                 if (drv->wps_ie == NULL)
 845                         return -1;
 846                 os_memcpy(drv->wps_ie, ie, len);
 847                 drv->wps_ie_len = len;
 848         }
 849
 850         return hostapd_ioctl_set_generic_elem(drv);
 851 }
 852
 853
 854 static void
 855 hostapd_wireless_event_wireless_custom(struct hostap_driver_data *drv,
 856                                        char *custom)
 857 {
 858         wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
 859
 860         if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
 861                 char *pos;
 862                 u8 addr[ETH_ALEN];
 863                 pos = strstr(custom, "addr=");
 864                 if (pos == NULL) {
 865                         wpa_printf(MSG_DEBUG,
 866                                    "MLME-MICHAELMICFAILURE.indication "
 867                                    "without sender address ignored");
 868                         return;
 869                 }
 870                 pos += 5;
 871                 if (hwaddr_aton(pos, addr) == 0) {
 872                         ieee80211_michael_mic_failure(drv->hapd, addr, 1);
 873                 } else {
 874                         wpa_printf(MSG_DEBUG,
 875                                    "MLME-MICHAELMICFAILURE.indication "
 876                                    "with invalid MAC address");
 877                 }
 878         }
 879 }
 880
 881
 882 static void hostapd_wireless_event_wireless(struct hostap_driver_data *drv,
 883                                             char *data, int len)
 884 {
 885         struct iw_event iwe_buf, *iwe = &iwe_buf;
 886         char *pos, *end, *custom, *buf;
 887
 888         pos = data;
 889         end = data + len;
 890
 891         while (pos + IW_EV_LCP_LEN <= end) {
 892                 /* Event data may be unaligned, so make a local, aligned copy
 893                  * before processing. */
 894                 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
 895                 wpa_printf(MSG_DEBUG, "Wireless event: cmd=0x%x len=%d",
 896                            iwe->cmd, iwe->len);
 897                 if (iwe->len <= IW_EV_LCP_LEN)
 898                         return;
 899
 900                 custom = pos + IW_EV_POINT_LEN;
 901                 if (drv->we_version > 18 &&
 902                     (iwe->cmd == IWEVMICHAELMICFAILURE ||
 903                      iwe->cmd == IWEVCUSTOM)) {
 904                         /* WE-19 removed the pointer from struct iw_point */
 905                         char *dpos = (char *) &iwe_buf.u.data.length;
 906                         int dlen = dpos - (char *) &iwe_buf;
 907                         memcpy(dpos, pos + IW_EV_LCP_LEN,
 908                                sizeof(struct iw_event) - dlen);
 909                 } else {
 910                         memcpy(&iwe_buf, pos, sizeof(struct iw_event));
 911                         custom += IW_EV_POINT_OFF;
 912                 }
 913
 914                 switch (iwe->cmd) {
 915                 case IWEVCUSTOM:
 916                         if (custom + iwe->u.data.length > end)
 917                                 return;
 918                         buf = malloc(iwe->u.data.length + 1);
 919                         if (buf == NULL)
 920                                 return;
 921                         memcpy(buf, custom, iwe->u.data.length);
 922                         buf[iwe->u.data.length] = '\0';
 923                         hostapd_wireless_event_wireless_custom(drv, buf);
 924                         free(buf);
 925                         break;
 926                 }
 927
 928                 pos += iwe->len;
 929         }
 930 }
 931
 932
 933 static void hostapd_wireless_event_rtm_newlink(struct hostap_driver_data *drv,
 934                                                struct nlmsghdr *h, int len)
 935 {
 936         struct ifinfomsg *ifi;
 937         int attrlen, nlmsg_len, rta_len;
 938         struct rtattr * attr;
 939
 940         if (len < (int) sizeof(*ifi))
 941                 return;
 942
 943         ifi = NLMSG_DATA(h);
 944
 945         /* TODO: use ifi->ifi_index to filter out wireless events from other
 946          * interfaces */
 947
 948         nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
 949
 950         attrlen = h->nlmsg_len - nlmsg_len;
 951         if (attrlen < 0)
 952                 return;
 953
 954         attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
 955
 956         rta_len = RTA_ALIGN(sizeof(struct rtattr));
 957         while (RTA_OK(attr, attrlen)) {
 958                 if (attr->rta_type == IFLA_WIRELESS) {
 959                         hostapd_wireless_event_wireless(
 960                                 drv, ((char *) attr) + rta_len,
 961                                 attr->rta_len - rta_len);
 962                 }
 963                 attr = RTA_NEXT(attr, attrlen);
 964         }
 965 }
 966
 967
 968 static void hostapd_wireless_event_receive(int sock, void *eloop_ctx,
 969                                            void *sock_ctx)
 970 {
 971         char buf[256];
 972         int left;
 973         struct sockaddr_nl from;
 974         socklen_t fromlen;
 975         struct nlmsghdr *h;
 976         struct hostap_driver_data *drv = eloop_ctx;
 977
 978         fromlen = sizeof(from);
 979         left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
 980                         (struct sockaddr *) &from, &fromlen);
 981         if (left < 0) {
 982                 if (errno != EINTR && errno != EAGAIN)
 983                         perror("recvfrom(netlink)");
 984                 return;
 985         }
 986
 987         h = (struct nlmsghdr *) buf;
 988         while (left >= (int) sizeof(*h)) {
 989                 int len, plen;
 990
 991                 len = h->nlmsg_len;
 992                 plen = len - sizeof(*h);
 993                 if (len > left || plen < 0) {
 994                         printf("Malformed netlink message: "
 995                                "len=%d left=%d plen=%d\n",
 996                                len, left, plen);
 997                         break;
 998                 }
 999
1000                 switch (h->nlmsg_type) {
1001                 case RTM_NEWLINK:
1002                         hostapd_wireless_event_rtm_newlink(drv, h, plen);
1003                         break;
1004                 }
1005
1006                 len = NLMSG_ALIGN(len);
1007                 left -= len;
1008                 h = (struct nlmsghdr *) ((char *) h + len);
1009         }
1010
1011         if (left > 0) {
1012                 printf("%d extra bytes in the end of netlink message\n", left);
1013         }
1014 }
1015
1016
1017 static int hostap_get_we_version(struct hostap_driver_data *drv)
1018 {
1019         struct iw_range *range;
1020         struct iwreq iwr;
1021         int minlen;
1022         size_t buflen;
1023
1024         drv->we_version = 0;
1025
1026         /*
1027          * Use larger buffer than struct iw_range in order to allow the
1028          * structure to grow in the future.
1029          */
1030         buflen = sizeof(struct iw_range) + 500;
1031         range = os_zalloc(buflen);
1032         if (range == NULL)
1033                 return -1;
1034
1035         memset(&iwr, 0, sizeof(iwr));
1036         os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1037         iwr.u.data.pointer = (caddr_t) range;
1038         iwr.u.data.length = buflen;
1039
1040         minlen = ((char *) &range->enc_capa) - (char *) range +
1041                 sizeof(range->enc_capa);
1042
1043         if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1044                 perror("ioctl[SIOCGIWRANGE]");
1045                 free(range);
1046                 return -1;
1047         } else if (iwr.u.data.length >= minlen &&
1048                    range->we_version_compiled >= 18) {
1049                 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1050                            "WE(source)=%d enc_capa=0x%x",
1051                            range->we_version_compiled,
1052                            range->we_version_source,
1053                            range->enc_capa);
1054                 drv->we_version = range->we_version_compiled;
1055         }
1056
1057         free(range);
1058         return 0;
1059 }
1060
1061
1062 static int hostap_wireless_event_init(void *priv)
1063 {
1064         struct hostap_driver_data *drv = priv;
1065         int s;
1066         struct sockaddr_nl local;
1067
1068         hostap_get_we_version(drv);
1069
1070         drv->wext_sock = -1;
1071
1072         s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
1073         if (s < 0) {
1074                 perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
1075                 return -1;
1076         }
1077
1078         memset(&local, 0, sizeof(local));
1079         local.nl_family = AF_NETLINK;
1080         local.nl_groups = RTMGRP_LINK;
1081         if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
1082                 perror("bind(netlink)");
1083                 close(s);
1084                 return -1;
1085         }
1086
1087         eloop_register_read_sock(s, hostapd_wireless_event_receive, drv,
1088                                  NULL);
1089         drv->wext_sock = s;
1090
1091         return 0;
1092 }
1093
1094
1095 static void hostap_wireless_event_deinit(void *priv)
1096 {
1097         struct hostap_driver_data *drv = priv;
1098         if (drv->wext_sock < 0)
1099                 return;
1100         eloop_unregister_read_sock(drv->wext_sock);
1101         close(drv->wext_sock);
1102 }
1103
1104
1105 static void * hostap_init(struct hostapd_data *hapd)
1106 {
1107         struct hostap_driver_data *drv;
1108
1109         drv = os_zalloc(sizeof(struct hostap_driver_data));
1110         if (drv == NULL) {
1111                 printf("Could not allocate memory for hostapd driver data\n");
1112                 return NULL;
1113         }
1114
1115         drv->hapd = hapd;
1116         drv->ioctl_sock = drv->sock = -1;
1117         memcpy(drv->iface, hapd->conf->iface, sizeof(drv->iface));
1118
1119         drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1120         if (drv->ioctl_sock < 0) {
1121                 perror("socket[PF_INET,SOCK_DGRAM]");
1122                 free(drv);
1123                 return NULL;
1124         }
1125
1126         if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 1)) {
1127                 printf("Could not enable hostapd mode for interface %s\n",
1128                        drv->iface);
1129                 close(drv->ioctl_sock);
1130                 free(drv);
1131                 return NULL;
1132         }
1133
1134         if (hostap_init_sockets(drv)) {
1135                 close(drv->ioctl_sock);
1136                 free(drv);
1137                 return NULL;
1138         }
1139
1140         return drv;
1141 }
1142
1143
1144 static void hostap_driver_deinit(void *priv)
1145 {
1146         struct hostap_driver_data *drv = priv;
1147
1148         (void) hostap_set_iface_flags(drv, 0);
1149         (void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 0);
1150         (void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD_STA, 0);
1151
1152         if (drv->ioctl_sock >= 0)
1153                 close(drv->ioctl_sock);
1154
1155         if (drv->sock >= 0)
1156                 close(drv->sock);
1157
1158         os_free(drv->generic_ie);
1159         os_free(drv->wps_ie);
1160
1161         free(drv);
1162 }
1163
1164
1165 static int hostap_sta_deauth(void *priv, const u8 *addr, int reason)
1166 {
1167         struct hostap_driver_data *drv = priv;
1168         struct ieee80211_mgmt mgmt;
1169
1170         memset(&mgmt, 0, sizeof(mgmt));
1171         mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1172                                           WLAN_FC_STYPE_DEAUTH);
1173         memcpy(mgmt.da, addr, ETH_ALEN);
1174         memcpy(mgmt.sa, drv->hapd->own_addr, ETH_ALEN);
1175         memcpy(mgmt.bssid, drv->hapd->own_addr, ETH_ALEN);
1176         mgmt.u.deauth.reason_code = host_to_le16(reason);
1177         return hostap_send_mgmt_frame(drv, &mgmt, IEEE80211_HDRLEN +
1178                                       sizeof(mgmt.u.deauth), 0);
1179 }
1180
1181
1182 static int hostap_sta_disassoc(void *priv, const u8 *addr, int reason)
1183 {
1184         struct hostap_driver_data *drv = priv;
1185         struct ieee80211_mgmt mgmt;
1186
1187         memset(&mgmt, 0, sizeof(mgmt));
1188         mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1189                                           WLAN_FC_STYPE_DISASSOC);
1190         memcpy(mgmt.da, addr, ETH_ALEN);
1191         memcpy(mgmt.sa, drv->hapd->own_addr, ETH_ALEN);
1192         memcpy(mgmt.bssid, drv->hapd->own_addr, ETH_ALEN);
1193         mgmt.u.disassoc.reason_code = host_to_le16(reason);
1194         return  hostap_send_mgmt_frame(drv, &mgmt, IEEE80211_HDRLEN +
1195                                        sizeof(mgmt.u.disassoc), 0);
1196 }
1197
1198
1199 static struct hostapd_hw_modes * hostap_get_hw_feature_data(void *priv,
1200                                                             u16 *num_modes,
1201                                                             u16 *flags)
1202 {
1203         struct hostapd_hw_modes *mode;
1204         int i, clen, rlen;
1205         const short chan2freq[14] = {
1206                 2412, 2417, 2422, 2427, 2432, 2437, 2442,
1207                 2447, 2452, 2457, 2462, 2467, 2472, 2484
1208         };
1209
1210         mode = os_zalloc(sizeof(struct hostapd_hw_modes));
1211         if (mode == NULL)
1212                 return NULL;
1213
1214         *num_modes = 1;
1215         *flags = 0;
1216
1217         mode->mode = HOSTAPD_MODE_IEEE80211B;
1218         mode->num_channels = 14;
1219         mode->num_rates = 4;
1220
1221         clen = mode->num_channels * sizeof(struct hostapd_channel_data);
1222         rlen = mode->num_rates * sizeof(struct hostapd_rate_data);
1223
1224         mode->channels = os_zalloc(clen);
1225         mode->rates = os_zalloc(rlen);
1226         if (mode->channels == NULL || mode->rates == NULL) {
1227                 hostapd_free_hw_features(mode, *num_modes);
1228                 return NULL;
1229         }
1230
1231         for (i = 0; i < 14; i++) {
1232                 mode->channels[i].chan = i + 1;
1233                 mode->channels[i].freq = chan2freq[i];
1234                 /* TODO: Get allowed channel list from the driver */
1235                 if (i >= 11)
1236                         mode->channels[i].flag = HOSTAPD_CHAN_DISABLED;
1237         }
1238
1239         mode->rates[0].rate = 10;
1240         mode->rates[0].flags = HOSTAPD_RATE_CCK;
1241         mode->rates[1].rate = 20;
1242         mode->rates[1].flags = HOSTAPD_RATE_CCK;
1243         mode->rates[2].rate = 55;
1244         mode->rates[2].flags = HOSTAPD_RATE_CCK;
1245         mode->rates[3].rate = 110;
1246         mode->rates[3].flags = HOSTAPD_RATE_CCK;
1247
1248         return mode;
1249 }
1250
1251
1252 const struct wpa_driver_ops wpa_driver_hostap_ops = {
1253         .name = "hostap",
1254         .init = hostap_init,
1255         .deinit = hostap_driver_deinit,
1256         .wireless_event_init = hostap_wireless_event_init,
1257         .wireless_event_deinit = hostap_wireless_event_deinit,
1258         .set_ieee8021x = hostap_set_ieee8021x,
1259         .set_privacy = hostap_set_privacy,
1260         .set_encryption = hostap_set_encryption,
1261         .get_seqnum = hostap_get_seqnum,
1262         .flush = hostap_flush,
1263         .set_generic_elem = hostap_set_generic_elem,
1264         .read_sta_data = hostap_read_sta_data,
1265         .send_eapol = hostap_send_eapol,
1266         .sta_set_flags = hostap_sta_set_flags,
1267         .sta_deauth = hostap_sta_deauth,
1268         .sta_disassoc = hostap_sta_disassoc,
1269         .sta_remove = hostap_sta_remove,
1270         .set_ssid = hostap_set_ssid,
1271         .send_mgmt_frame = hostap_send_mgmt_frame,
1272         .set_assoc_ap = hostap_set_assoc_ap,
1273         .sta_add = hostap_sta_add,
1274         .get_inact_sec = hostap_get_inact_sec,
1275         .sta_clear_stats = hostap_sta_clear_stats,
1276         .get_hw_feature_data = hostap_get_hw_feature_data,
1277         .set_wps_beacon_ie = hostap_set_wps_beacon_ie,
1278         .set_wps_probe_resp_ie = hostap_set_wps_probe_resp_ie,
1279 };