src/drivers/driver_atheros.c

   1 /*
   2  * hostapd / Driver interaction with Atheros driver
   3  * Copyright (c) 2004, Sam Leffler <sam@errno.com>
   4  * Copyright (c) 2004, Video54 Technologies
   5  * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
   6  * Copyright (c) 2009, Atheros Communications
   7  *
   8  * This software may be distributed under the terms of the BSD license.
   9  * See README for more details.
  10  */
  11
  12 #include "includes.h"
  13 #include <net/if.h>
  14 #include <sys/ioctl.h>
  15
  16 #include "common.h"
  17 #include "eloop.h"
  18 #include "common/ieee802_11_defs.h"
  19 #include "l2_packet/l2_packet.h"
  20 #include "p2p/p2p.h"
  21
  22 #include "common.h"
  23 #ifndef _BYTE_ORDER
  24 #ifdef WORDS_BIGENDIAN
  25 #define _BYTE_ORDER _BIG_ENDIAN
  26 #else
  27 #define _BYTE_ORDER _LITTLE_ENDIAN
  28 #endif
  29 #endif /* _BYTE_ORDER */
  30
  31 /*
  32  * Note, the ATH_WPS_IE setting must match with the driver build.. If the
  33  * driver does not include this, the IEEE80211_IOCTL_GETWPAIE ioctl will fail.
  34  */
  35 #define ATH_WPS_IE
  36
  37 #include "ieee80211_external.h"
  38
  39
  40 #ifdef CONFIG_WPS
  41 #include <netpacket/packet.h>
  42 #endif /* CONFIG_WPS */
  43
  44 #ifndef ETH_P_80211_RAW
  45 #define ETH_P_80211_RAW 0x0019
  46 #endif
  47
  48 #include "linux_wext.h"
  49
  50 #include "driver.h"
  51 #include "eloop.h"
  52 #include "priv_netlink.h"
  53 #include "l2_packet/l2_packet.h"
  54 #include "common/ieee802_11_defs.h"
  55 #include "netlink.h"
  56 #include "linux_ioctl.h"
  57
  58
  59 struct atheros_driver_data {
  60         struct hostapd_data *hapd;              /* back pointer */
  61
  62         char    iface[IFNAMSIZ + 1];
  63         int     ifindex;
  64         struct l2_packet_data *sock_xmit;       /* raw packet xmit socket */
  65         struct l2_packet_data *sock_recv;       /* raw packet recv socket */
  66         int     ioctl_sock;                     /* socket for ioctl() use */
  67         struct netlink_data *netlink;
  68         int     we_version;
  69         u8      acct_mac[ETH_ALEN];
  70         struct hostap_sta_driver_data acct_data;
  71
  72         struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
  73         struct wpabuf *wpa_ie;
  74         struct wpabuf *wps_beacon_ie;
  75         struct wpabuf *wps_probe_resp_ie;
  76         u8      own_addr[ETH_ALEN];
  77 };
  78
  79 static int atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
  80                               int reason_code);
  81 static int atheros_set_privacy(void *priv, int enabled);
  82
  83 static const char * athr_get_ioctl_name(int op)
  84 {
  85         switch (op) {
  86         case IEEE80211_IOCTL_SETPARAM:
  87                 return "SETPARAM";
  88         case IEEE80211_IOCTL_GETPARAM:
  89                 return "GETPARAM";
  90         case IEEE80211_IOCTL_SETKEY:
  91                 return "SETKEY";
  92         case IEEE80211_IOCTL_SETWMMPARAMS:
  93                 return "SETWMMPARAMS";
  94         case IEEE80211_IOCTL_DELKEY:
  95                 return "DELKEY";
  96         case IEEE80211_IOCTL_GETWMMPARAMS:
  97                 return "GETWMMPARAMS";
  98         case IEEE80211_IOCTL_SETMLME:
  99                 return "SETMLME";
 100         case IEEE80211_IOCTL_GETCHANINFO:
 101                 return "GETCHANINFO";
 102         case IEEE80211_IOCTL_SETOPTIE:
 103                 return "SETOPTIE";
 104         case IEEE80211_IOCTL_GETOPTIE:
 105                 return "GETOPTIE";
 106         case IEEE80211_IOCTL_ADDMAC:
 107                 return "ADDMAC";
 108         case IEEE80211_IOCTL_DELMAC:
 109                 return "DELMAC";
 110         case IEEE80211_IOCTL_GETCHANLIST:
 111                 return "GETCHANLIST";
 112         case IEEE80211_IOCTL_SETCHANLIST:
 113                 return "SETCHANLIST";
 114         case IEEE80211_IOCTL_KICKMAC:
 115                 return "KICKMAC";
 116         case IEEE80211_IOCTL_CHANSWITCH:
 117                 return "CHANSWITCH";
 118         case IEEE80211_IOCTL_GETMODE:
 119                 return "GETMODE";
 120         case IEEE80211_IOCTL_SETMODE:
 121                 return "SETMODE";
 122         case IEEE80211_IOCTL_GET_APPIEBUF:
 123                 return "GET_APPIEBUF";
 124         case IEEE80211_IOCTL_SET_APPIEBUF:
 125                 return "SET_APPIEBUF";
 126         case IEEE80211_IOCTL_SET_ACPARAMS:
 127                 return "SET_ACPARAMS";
 128         case IEEE80211_IOCTL_FILTERFRAME:
 129                 return "FILTERFRAME";
 130         case IEEE80211_IOCTL_SET_RTPARAMS:
 131                 return "SET_RTPARAMS";
 132         case IEEE80211_IOCTL_SET_MEDENYENTRY:
 133                 return "SET_MEDENYENTRY";
 134         case IEEE80211_IOCTL_GET_MACADDR:
 135                 return "GET_MACADDR";
 136         case IEEE80211_IOCTL_SET_HBRPARAMS:
 137                 return "SET_HBRPARAMS";
 138         case IEEE80211_IOCTL_SET_RXTIMEOUT:
 139                 return "SET_RXTIMEOUT";
 140         case IEEE80211_IOCTL_STA_STATS:
 141                 return "STA_STATS";
 142         case IEEE80211_IOCTL_GETWPAIE:
 143                 return "GETWPAIE";
 144         default:
 145                 return "??";
 146         }
 147 }
 148
 149
 150 static const char * athr_get_param_name(int op)
 151 {
 152         switch (op) {
 153         case IEEE80211_IOC_MCASTCIPHER:
 154                 return "MCASTCIPHER";
 155         case IEEE80211_PARAM_MCASTKEYLEN:
 156                 return "MCASTKEYLEN";
 157         case IEEE80211_PARAM_UCASTCIPHERS:
 158                 return "UCASTCIPHERS";
 159         case IEEE80211_PARAM_KEYMGTALGS:
 160                 return "KEYMGTALGS";
 161         case IEEE80211_PARAM_RSNCAPS:
 162                 return "RSNCAPS";
 163         case IEEE80211_PARAM_WPA:
 164                 return "WPA";
 165         case IEEE80211_PARAM_AUTHMODE:
 166                 return "AUTHMODE";
 167         case IEEE80211_PARAM_PRIVACY:
 168                 return "PRIVACY";
 169         case IEEE80211_PARAM_COUNTERMEASURES:
 170                 return "COUNTERMEASURES";
 171         default:
 172                 return "??";
 173         }
 174 }
 175
 176
 177 static int
 178 set80211priv(struct atheros_driver_data *drv, int op, void *data, int len)
 179 {
 180         struct iwreq iwr;
 181         int do_inline = len < IFNAMSIZ;
 182
 183         /* Certain ioctls must use the non-inlined method */
 184         if (op == IEEE80211_IOCTL_SET_APPIEBUF ||
 185             op == IEEE80211_IOCTL_FILTERFRAME)
 186                 do_inline = 0;
 187
 188         memset(&iwr, 0, sizeof(iwr));
 189         os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
 190         if (do_inline) {
 191                 /*
 192                  * Argument data fits inline; put it there.
 193                  */
 194                 memcpy(iwr.u.name, data, len);
 195         } else {
 196                 /*
 197                  * Argument data too big for inline transfer; setup a
 198                  * parameter block instead; the kernel will transfer
 199                  * the data for the driver.
 200                  */
 201                 iwr.u.data.pointer = data;
 202                 iwr.u.data.length = len;
 203         }
 204
 205         if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
 206                 wpa_printf(MSG_DEBUG, "atheros: %s: %s: ioctl op=0x%x "
 207                            "(%s) len=%d failed: %d (%s)",
 208                            __func__, drv->iface, op,
 209                            athr_get_ioctl_name(op),
 210                            len, errno, strerror(errno));
 211                 return -1;
 212         }
 213         return 0;
 214 }
 215
 216 static int
 217 set80211param(struct atheros_driver_data *drv, int op, int arg)
 218 {
 219         struct iwreq iwr;
 220
 221         memset(&iwr, 0, sizeof(iwr));
 222         os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
 223         iwr.u.mode = op;
 224         memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
 225
 226         if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
 227                 perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
 228                 wpa_printf(MSG_DEBUG, "%s: %s: Failed to set parameter (op %d "
 229                            "(%s) arg %d)", __func__, drv->iface, op,
 230                            athr_get_param_name(op), arg);
 231                 return -1;
 232         }
 233         return 0;
 234 }
 235
 236 #ifndef CONFIG_NO_STDOUT_DEBUG
 237 static const char *
 238 ether_sprintf(const u8 *addr)
 239 {
 240         static char buf[sizeof(MACSTR)];
 241
 242         if (addr != NULL)
 243                 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
 244         else
 245                 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
 246         return buf;
 247 }
 248 #endif /* CONFIG_NO_STDOUT_DEBUG */
 249
 250 /*
 251  * Configure WPA parameters.
 252  */
 253 static int
 254 atheros_configure_wpa(struct atheros_driver_data *drv,
 255                       struct wpa_bss_params *params)
 256 {
 257         int v;
 258
 259         switch (params->wpa_group) {
 260         case WPA_CIPHER_CCMP:
 261                 v = IEEE80211_CIPHER_AES_CCM;
 262                 break;
 263         case WPA_CIPHER_TKIP:
 264                 v = IEEE80211_CIPHER_TKIP;
 265                 break;
 266         case WPA_CIPHER_WEP104:
 267                 v = IEEE80211_CIPHER_WEP;
 268                 break;
 269         case WPA_CIPHER_WEP40:
 270                 v = IEEE80211_CIPHER_WEP;
 271                 break;
 272         case WPA_CIPHER_NONE:
 273                 v = IEEE80211_CIPHER_NONE;
 274                 break;
 275         default:
 276                 wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
 277                            params->wpa_group);
 278                 return -1;
 279         }
 280         wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
 281         if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
 282                 printf("Unable to set group key cipher to %u\n", v);
 283                 return -1;
 284         }
 285         if (v == IEEE80211_CIPHER_WEP) {
 286                 /* key length is done only for specific ciphers */
 287                 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
 288                 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
 289                         printf("Unable to set group key length to %u\n", v);
 290                         return -1;
 291                 }
 292         }
 293
 294         v = 0;
 295         if (params->wpa_pairwise & WPA_CIPHER_CCMP)
 296                 v |= 1<<IEEE80211_CIPHER_AES_CCM;
 297         if (params->wpa_pairwise & WPA_CIPHER_TKIP)
 298                 v |= 1<<IEEE80211_CIPHER_TKIP;
 299         if (params->wpa_pairwise & WPA_CIPHER_NONE)
 300                 v |= 1<<IEEE80211_CIPHER_NONE;
 301         wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
 302         if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
 303                 printf("Unable to set pairwise key ciphers to 0x%x\n", v);
 304                 return -1;
 305         }
 306
 307         wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
 308                    __func__, params->wpa_key_mgmt);
 309         if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
 310                           params->wpa_key_mgmt)) {
 311                 printf("Unable to set key management algorithms to 0x%x\n",
 312                         params->wpa_key_mgmt);
 313                 return -1;
 314         }
 315
 316         v = 0;
 317         if (params->rsn_preauth)
 318                 v |= BIT(0);
 319 #ifdef CONFIG_IEEE80211W
 320         if (params->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
 321                 v |= BIT(7);
 322                 if (params->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED)
 323                         v |= BIT(6);
 324         }
 325 #endif /* CONFIG_IEEE80211W */
 326
 327         wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", __func__, v);
 328         if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
 329                 printf("Unable to set RSN capabilities to 0x%x\n", v);
 330                 return -1;
 331         }
 332
 333         wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
 334         if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
 335                 printf("Unable to set WPA to %u\n", params->wpa);
 336                 return -1;
 337         }
 338         return 0;
 339 }
 340
 341 static int
 342 atheros_set_ieee8021x(void *priv, struct wpa_bss_params *params)
 343 {
 344         struct atheros_driver_data *drv = priv;
 345
 346         wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
 347
 348         if (!params->enabled) {
 349                 /* XXX restore state */
 350                 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
 351                                   IEEE80211_AUTH_AUTO) < 0)
 352                         return -1;
 353                 /* IEEE80211_AUTH_AUTO ends up enabling Privacy; clear that */
 354                 return atheros_set_privacy(drv, 0);
 355         }
 356         if (!params->wpa && !params->ieee802_1x) {
 357                 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
 358                         HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
 359                 return -1;
 360         }
 361         if (params->wpa && atheros_configure_wpa(drv, params) != 0) {
 362                 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
 363                         HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
 364                 return -1;
 365         }
 366         if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
 367                 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
 368                 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
 369                         HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
 370                 return -1;
 371         }
 372
 373         return 0;
 374 }
 375
 376 static int
 377 atheros_set_privacy(void *priv, int enabled)
 378 {
 379         struct atheros_driver_data *drv = priv;
 380
 381         wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
 382
 383         return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
 384 }
 385
 386 static int
 387 atheros_set_sta_authorized(void *priv, const u8 *addr, int authorized)
 388 {
 389         struct atheros_driver_data *drv = priv;
 390         struct ieee80211req_mlme mlme;
 391         int ret;
 392
 393         wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
 394                    __func__, ether_sprintf(addr), authorized);
 395
 396         if (authorized)
 397                 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
 398         else
 399                 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
 400         mlme.im_reason = 0;
 401         memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
 402         ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
 403         if (ret < 0) {
 404                 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
 405                            __func__, authorized ? "" : "un", MAC2STR(addr));
 406         }
 407
 408         return ret;
 409 }
 410
 411 static int
 412 atheros_sta_set_flags(void *priv, const u8 *addr,
 413                       int total_flags, int flags_or, int flags_and)
 414 {
 415         /* For now, only support setting Authorized flag */
 416         if (flags_or & WPA_STA_AUTHORIZED)
 417                 return atheros_set_sta_authorized(priv, addr, 1);
 418         if (!(flags_and & WPA_STA_AUTHORIZED))
 419                 return atheros_set_sta_authorized(priv, addr, 0);
 420         return 0;
 421 }
 422
 423 static int
 424 atheros_del_key(void *priv, const u8 *addr, int key_idx)
 425 {
 426         struct atheros_driver_data *drv = priv;
 427         struct ieee80211req_del_key wk;
 428         int ret;
 429
 430         wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
 431                    __func__, ether_sprintf(addr), key_idx);
 432
 433         memset(&wk, 0, sizeof(wk));
 434         if (addr != NULL) {
 435                 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
 436                 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
 437         } else {
 438                 wk.idk_keyix = key_idx;
 439         }
 440
 441         ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
 442         if (ret < 0) {
 443                 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
 444                            " key_idx %d)", __func__, ether_sprintf(addr),
 445                            key_idx);
 446         }
 447
 448         return ret;
 449 }
 450
 451 static int
 452 atheros_set_key(const char *ifname, void *priv, enum wpa_alg alg,
 453                 const u8 *addr, int key_idx, int set_tx, const u8 *seq,
 454                 size_t seq_len, const u8 *key, size_t key_len)
 455 {
 456         struct atheros_driver_data *drv = priv;
 457         struct ieee80211req_key wk;
 458         u_int8_t cipher;
 459         int ret;
 460
 461         if (alg == WPA_ALG_NONE)
 462                 return atheros_del_key(drv, addr, key_idx);
 463
 464         wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
 465                    __func__, alg, ether_sprintf(addr), key_idx);
 466
 467         switch (alg) {
 468         case WPA_ALG_WEP:
 469                 cipher = IEEE80211_CIPHER_WEP;
 470                 break;
 471         case WPA_ALG_TKIP:
 472                 cipher = IEEE80211_CIPHER_TKIP;
 473                 break;
 474         case WPA_ALG_CCMP:
 475                 cipher = IEEE80211_CIPHER_AES_CCM;
 476                 break;
 477 #ifdef CONFIG_IEEE80211W
 478         case WPA_ALG_IGTK:
 479                 cipher = IEEE80211_CIPHER_AES_CMAC;
 480                 break;
 481 #endif /* CONFIG_IEEE80211W */
 482         default:
 483                 printf("%s: unknown/unsupported algorithm %d\n",
 484                         __func__, alg);
 485                 return -1;
 486         }
 487
 488         if (key_len > sizeof(wk.ik_keydata)) {
 489                 printf("%s: key length %lu too big\n", __func__,
 490                        (unsigned long) key_len);
 491                 return -3;
 492         }
 493
 494         memset(&wk, 0, sizeof(wk));
 495         wk.ik_type = cipher;
 496         wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
 497         if (addr == NULL || is_broadcast_ether_addr(addr)) {
 498                 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
 499                 wk.ik_keyix = key_idx;
 500                 if (set_tx)
 501                         wk.ik_flags |= IEEE80211_KEY_DEFAULT;
 502         } else {
 503                 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
 504                 wk.ik_keyix = IEEE80211_KEYIX_NONE;
 505         }
 506         wk.ik_keylen = key_len;
 507         memcpy(wk.ik_keydata, key, key_len);
 508
 509         ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
 510         if (ret < 0) {
 511                 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
 512                            " key_idx %d alg %d key_len %lu set_tx %d)",
 513                            __func__, ether_sprintf(wk.ik_macaddr), key_idx,
 514                            alg, (unsigned long) key_len, set_tx);
 515         }
 516
 517         return ret;
 518 }
 519
 520
 521 static int
 522 atheros_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
 523                    u8 *seq)
 524 {
 525         struct atheros_driver_data *drv = priv;
 526         struct ieee80211req_key wk;
 527
 528         wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
 529                    __func__, ether_sprintf(addr), idx);
 530
 531         memset(&wk, 0, sizeof(wk));
 532         if (addr == NULL)
 533                 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
 534         else
 535                 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
 536         wk.ik_keyix = idx;
 537
 538         if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
 539                 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
 540                            "(addr " MACSTR " key_idx %d)",
 541                            __func__, MAC2STR(wk.ik_macaddr), idx);
 542                 return -1;
 543         }
 544
 545 #ifdef WORDS_BIGENDIAN
 546         {
 547                 /*
 548                  * wk.ik_keytsc is in host byte order (big endian), need to
 549                  * swap it to match with the byte order used in WPA.
 550                  */
 551                 int i;
 552 #ifndef WPA_KEY_RSC_LEN
 553 #define WPA_KEY_RSC_LEN 8
 554 #endif
 555                 u8 tmp[WPA_KEY_RSC_LEN];
 556                 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
 557                 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
 558                         seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
 559                 }
 560         }
 561 #else /* WORDS_BIGENDIAN */
 562         memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
 563 #endif /* WORDS_BIGENDIAN */
 564         return 0;
 565 }
 566
 567
 568 static int
 569 atheros_flush(void *priv)
 570 {
 571         u8 allsta[IEEE80211_ADDR_LEN];
 572         memset(allsta, 0xff, IEEE80211_ADDR_LEN);
 573         return atheros_sta_deauth(priv, NULL, allsta,
 574                                   IEEE80211_REASON_AUTH_LEAVE);
 575 }
 576
 577
 578 static int
 579 atheros_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
 580                              const u8 *addr)
 581 {
 582         struct atheros_driver_data *drv = priv;
 583         struct ieee80211req_sta_stats stats;
 584
 585         memset(data, 0, sizeof(*data));
 586
 587         /*
 588          * Fetch statistics for station from the system.
 589          */
 590         memset(&stats, 0, sizeof(stats));
 591         memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
 592         if (set80211priv(drv, IEEE80211_IOCTL_STA_STATS,
 593                          &stats, sizeof(stats))) {
 594                 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
 595                            MACSTR ")", __func__, MAC2STR(addr));
 596                 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
 597                         memcpy(data, &drv->acct_data, sizeof(*data));
 598                         return 0;
 599                 }
 600
 601                 printf("Failed to get station stats information element.\n");
 602                 return -1;
 603         }
 604
 605         data->rx_packets = stats.is_stats.ns_rx_data;
 606         data->rx_bytes = stats.is_stats.ns_rx_bytes;
 607         data->tx_packets = stats.is_stats.ns_tx_data;
 608         data->tx_bytes = stats.is_stats.ns_tx_bytes;
 609         return 0;
 610 }
 611
 612
 613 static int
 614 atheros_sta_clear_stats(void *priv, const u8 *addr)
 615 {
 616         struct atheros_driver_data *drv = priv;
 617         struct ieee80211req_mlme mlme;
 618         int ret;
 619
 620         wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
 621
 622         mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
 623         memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
 624         ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
 625                            sizeof(mlme));
 626         if (ret < 0) {
 627                 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
 628                            MACSTR ")", __func__, MAC2STR(addr));
 629         }
 630
 631         return ret;
 632 }
 633
 634
 635 static int
 636 atheros_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
 637 {
 638         struct atheros_driver_data *drv = priv;
 639         u8 buf[512];
 640         struct ieee80211req_getset_appiebuf *app_ie;
 641
 642         wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
 643                    (unsigned long) ie_len);
 644         wpa_hexdump(MSG_DEBUG, "atheros: set_generic_elem", ie, ie_len);
 645
 646         wpabuf_free(drv->wpa_ie);
 647         drv->wpa_ie = wpabuf_alloc_copy(ie, ie_len);
 648
 649         app_ie = (struct ieee80211req_getset_appiebuf *) buf;
 650         os_memcpy(&(app_ie->app_buf[0]), ie, ie_len);
 651         app_ie->app_buflen = ie_len;
 652
 653         app_ie->app_frmtype = IEEE80211_APPIE_FRAME_BEACON;
 654
 655         /* append WPS IE for Beacon */
 656         if (drv->wps_beacon_ie != NULL) {
 657                 os_memcpy(&(app_ie->app_buf[ie_len]),
 658                           wpabuf_head(drv->wps_beacon_ie),
 659                           wpabuf_len(drv->wps_beacon_ie));
 660                 app_ie->app_buflen = ie_len + wpabuf_len(drv->wps_beacon_ie);
 661         }
 662         wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(Beacon)",
 663                     app_ie->app_buf, app_ie->app_buflen);
 664         set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
 665                      sizeof(struct ieee80211req_getset_appiebuf) +
 666                      app_ie->app_buflen);
 667
 668         /* append WPS IE for Probe Response */
 669         app_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_RESP;
 670         if (drv->wps_probe_resp_ie != NULL) {
 671                 os_memcpy(&(app_ie->app_buf[ie_len]),
 672                           wpabuf_head(drv->wps_probe_resp_ie),
 673                           wpabuf_len(drv->wps_probe_resp_ie));
 674                 app_ie->app_buflen = ie_len +
 675                         wpabuf_len(drv->wps_probe_resp_ie);
 676         } else
 677                 app_ie->app_buflen = ie_len;
 678         wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(ProbeResp)",
 679                     app_ie->app_buf, app_ie->app_buflen);
 680         set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
 681                      sizeof(struct ieee80211req_getset_appiebuf) +
 682                      app_ie->app_buflen);
 683         return 0;
 684 }
 685
 686 static int
 687 atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
 688                    int reason_code)
 689 {
 690         struct atheros_driver_data *drv = priv;
 691         struct ieee80211req_mlme mlme;
 692         int ret;
 693
 694         wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
 695                    __func__, ether_sprintf(addr), reason_code);
 696
 697         mlme.im_op = IEEE80211_MLME_DEAUTH;
 698         mlme.im_reason = reason_code;
 699         memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
 700         ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
 701         if (ret < 0) {
 702                 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
 703                            " reason %d)",
 704                            __func__, MAC2STR(addr), reason_code);
 705         }
 706
 707         return ret;
 708 }
 709
 710 static int
 711 atheros_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
 712                      int reason_code)
 713 {
 714         struct atheros_driver_data *drv = priv;
 715         struct ieee80211req_mlme mlme;
 716         int ret;
 717
 718         wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
 719                    __func__, ether_sprintf(addr), reason_code);
 720
 721         mlme.im_op = IEEE80211_MLME_DISASSOC;
 722         mlme.im_reason = reason_code;
 723         memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
 724         ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
 725         if (ret < 0) {
 726                 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
 727                            MACSTR " reason %d)",
 728                            __func__, MAC2STR(addr), reason_code);
 729         }
 730
 731         return ret;
 732 }
 733
 734 #ifdef CONFIG_WPS
 735 static void atheros_raw_recv_wps(void *ctx, const u8 *src_addr, const u8 *buf,
 736                                  size_t len)
 737 {
 738         struct atheros_driver_data *drv = ctx;
 739         const struct ieee80211_mgmt *mgmt;
 740         u16 fc;
 741         union wpa_event_data event;
 742
 743         /* Send Probe Request information to WPS processing */
 744
 745         if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
 746                 return;
 747         mgmt = (const struct ieee80211_mgmt *) buf;
 748
 749         fc = le_to_host16(mgmt->frame_control);
 750         if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
 751             WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ)
 752                 return;
 753
 754         os_memset(&event, 0, sizeof(event));
 755         event.rx_probe_req.sa = mgmt->sa;
 756         event.rx_probe_req.da = mgmt->da;
 757         event.rx_probe_req.bssid = mgmt->bssid;
 758         event.rx_probe_req.ie = mgmt->u.probe_req.variable;
 759         event.rx_probe_req.ie_len =
 760                 len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
 761         wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
 762 }
 763 #endif /* CONFIG_WPS */
 764
 765 #ifdef CONFIG_IEEE80211R
 766 static void atheros_raw_recv_11r(void *ctx, const u8 *src_addr, const u8 *buf,
 767                                  size_t len)
 768 {
 769         struct atheros_driver_data *drv = ctx;
 770         union wpa_event_data event;
 771         const struct ieee80211_mgmt *mgmt;
 772         u16 fc;
 773         u16 stype;
 774         int ielen;
 775         const u8 *iebuf;
 776
 777         /* Do 11R processing for ASSOC/AUTH/FT ACTION frames */
 778         if (len < IEEE80211_HDRLEN)
 779                 return;
 780         mgmt = (const struct ieee80211_mgmt *) buf;
 781
 782         fc = le_to_host16(mgmt->frame_control);
 783
 784         if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT)
 785                 return;
 786         stype = WLAN_FC_GET_STYPE(fc);
 787
 788         wpa_printf(MSG_DEBUG, "%s: subtype 0x%x len %d", __func__, stype,
 789                    (int) len);
 790
 791         if (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) != 0) {
 792                 wpa_printf(MSG_DEBUG, "%s: BSSID does not match - ignore",
 793                            __func__);
 794                 return;
 795         }
 796         switch (stype) {
 797         case WLAN_FC_STYPE_ASSOC_REQ:
 798                 if (len - IEEE80211_HDRLEN < sizeof(mgmt->u.assoc_req))
 799                         break;
 800                 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req));
 801                 iebuf = mgmt->u.assoc_req.variable;
 802                 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 0);
 803                 break;
 804         case WLAN_FC_STYPE_REASSOC_REQ:
 805                 if (len - IEEE80211_HDRLEN < sizeof(mgmt->u.reassoc_req))
 806                         break;
 807                 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req));
 808                 iebuf = mgmt->u.reassoc_req.variable;
 809                 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 1);
 810                 break;
 811         case WLAN_FC_STYPE_ACTION:
 812                 if (&mgmt->u.action.category > buf + len)
 813                         break;
 814                 os_memset(&event, 0, sizeof(event));
 815                 event.rx_action.da = mgmt->da;
 816                 event.rx_action.sa = mgmt->sa;
 817                 event.rx_action.bssid = mgmt->bssid;
 818                 event.rx_action.category = mgmt->u.action.category;
 819                 event.rx_action.data = &mgmt->u.action.category;
 820                 event.rx_action.len = buf + len - event.rx_action.data;
 821                 wpa_supplicant_event(drv->hapd, EVENT_RX_ACTION, &event);
 822                 break;
 823         case WLAN_FC_STYPE_AUTH:
 824                 if (len - IEEE80211_HDRLEN < sizeof(mgmt->u.auth))
 825                         break;
 826                 os_memset(&event, 0, sizeof(event));
 827                 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
 828                 os_memcpy(event.auth.bssid, mgmt->bssid, ETH_ALEN);
 829                 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
 830                 event.auth.status_code =
 831                         le_to_host16(mgmt->u.auth.status_code);
 832                 event.auth.auth_transaction =
 833                         le_to_host16(mgmt->u.auth.auth_transaction);
 834                 event.auth.ies = mgmt->u.auth.variable;
 835                 event.auth.ies_len = len - IEEE80211_HDRLEN -
 836                         sizeof(mgmt->u.auth);
 837                 wpa_supplicant_event(drv->hapd, EVENT_AUTH, &event);
 838                 break;
 839         default:
 840                 break;
 841         }
 842 }
 843 #endif /* CONFIG_IEEE80211R */
 844
 845 #ifdef CONFIG_HS20
 846 static void atheros_raw_recv_hs20(void *ctx, const u8 *src_addr, const u8 *buf,
 847                                  size_t len)
 848 {
 849         struct atheros_driver_data *drv = ctx;
 850         const struct ieee80211_mgmt *mgmt;
 851         u16 fc;
 852         union wpa_event_data event;
 853
 854         /* Send the Action frame for HS20 processing */
 855
 856         if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.action.category) +
 857             sizeof(mgmt->u.action.u.public_action))
 858                 return;
 859
 860         mgmt = (const struct ieee80211_mgmt *) buf;
 861
 862         fc = le_to_host16(mgmt->frame_control);
 863         if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
 864             WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION ||
 865             mgmt->u.action.category != WLAN_ACTION_PUBLIC)
 866                 return;
 867
 868         wpa_printf(MSG_DEBUG, "%s:Received Public Action frame", __func__);
 869
 870         os_memset(&event, 0, sizeof(event));
 871         event.rx_mgmt.frame = (const u8 *) mgmt;
 872         event.rx_mgmt.frame_len = len;
 873         wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
 874 }
 875 #endif /* CONFIG_HS20 */
 876
 877 #if defined(CONFIG_IEEE80211V) && !defined(CONFIG_IEEE80211R)
 878 static void atheros_raw_recv_11v(void *ctx, const u8 *src_addr, const u8 *buf,
 879                                  size_t len)
 880 {
 881         struct atheros_driver_data *drv = ctx;
 882         union wpa_event_data event;
 883         const struct ieee80211_mgmt *mgmt;
 884         u16 fc;
 885         u16 stype;
 886
 887         /* Do 11R processing for WNM ACTION frames */
 888         if (len < IEEE80211_HDRLEN)
 889                 return;
 890         mgmt = (const struct ieee80211_mgmt *) buf;
 891
 892         fc = le_to_host16(mgmt->frame_control);
 893
 894         if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT)
 895                 return;
 896         stype = WLAN_FC_GET_STYPE(fc);
 897
 898         wpa_printf(MSG_DEBUG, "%s: subtype 0x%x len %d", __func__, stype,
 899                    (int) len);
 900
 901         if (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) != 0) {
 902                 wpa_printf(MSG_DEBUG, "%s: BSSID does not match - ignore",
 903                            __func__);
 904                 return;
 905         }
 906
 907         switch (stype) {
 908         case WLAN_FC_STYPE_ACTION:
 909                 if (&mgmt->u.action.category > buf + len)
 910                         break;
 911                 os_memset(&event, 0, sizeof(event));
 912                 event.rx_action.da = mgmt->da;
 913                 event.rx_action.sa = mgmt->sa;
 914                 event.rx_action.bssid = mgmt->bssid;
 915                 event.rx_action.category = mgmt->u.action.category;
 916                 event.rx_action.data = &mgmt->u.action.category;
 917                 event.rx_action.len = buf + len - event.rx_action.data;
 918                 wpa_supplicant_event(drv->hapd, EVENT_RX_ACTION, &event);
 919                 break;
 920         default:
 921                 break;
 922         }
 923 }
 924 #endif /* CONFIG_IEEE80211V */
 925
 926 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211V)
 927 static void atheros_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
 928                                 size_t len)
 929 {
 930 #ifdef CONFIG_WPS
 931         atheros_raw_recv_wps(ctx, src_addr, buf, len);
 932 #endif /* CONFIG_WPS */
 933 #ifdef CONFIG_IEEE80211R
 934         atheros_raw_recv_11r(ctx, src_addr, buf, len);
 935 #endif /* CONFIG_IEEE80211R */
 936 #if defined(CONFIG_IEEE80211V) && !defined(CONFIG_IEEE80211R)
 937         atheros_raw_recv_11v(ctx, src_addr, buf, len);
 938 #endif /* CONFIG_IEEE80211V */
 939 #ifdef CONFIG_HS20
 940         atheros_raw_recv_hs20(ctx, src_addr, buf, len);
 941 #endif /* CONFIG_HS20 */
 942 }
 943 #endif /* CONFIG_WPS || CONFIG_IEEE80211R */
 944
 945 static int atheros_receive_pkt(struct atheros_driver_data *drv)
 946 {
 947         int ret = 0;
 948         struct ieee80211req_set_filter filt;
 949
 950         wpa_printf(MSG_DEBUG, "%s Enter", __func__);
 951         filt.app_filterype = 0;
 952 #ifdef CONFIG_WPS
 953         filt.app_filterype |= IEEE80211_FILTER_TYPE_PROBE_REQ;
 954 #endif /* CONFIG_WPS */
 955 #ifdef CONFIG_IEEE80211R
 956         filt.app_filterype |= (IEEE80211_FILTER_TYPE_ASSOC_REQ |
 957                                IEEE80211_FILTER_TYPE_AUTH |
 958                                IEEE80211_FILTER_TYPE_ACTION);
 959 #endif
 960 #ifdef CONFIG_IEEE80211V
 961         filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION;
 962 #endif /* CONFIG_IEEE80211V */
 963 #ifdef CONFIG_HS20
 964         filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION;
 965 #endif /* CONFIG_HS20 */
 966         if (filt.app_filterype) {
 967                 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
 968                                    sizeof(struct ieee80211req_set_filter));
 969                 if (ret)
 970                         return ret;
 971         }
 972
 973 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R)
 974         drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
 975                                        atheros_raw_receive, drv, 1);
 976         if (drv->sock_raw == NULL)
 977                 return -1;
 978 #endif /* CONFIG_WPS || CONFIG_IEEE80211R */
 979         if (l2_packet_get_own_addr(drv->sock_xmit, drv->own_addr))
 980                 return -1;
 981         return ret;
 982 }
 983
 984 static int atheros_reset_appfilter(struct atheros_driver_data *drv)
 985 {
 986         struct ieee80211req_set_filter filt;
 987         filt.app_filterype = 0;
 988         return set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
 989                             sizeof(struct ieee80211req_set_filter));
 990 }
 991
 992 #ifdef CONFIG_WPS
 993 static int
 994 atheros_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
 995 {
 996         struct atheros_driver_data *drv = priv;
 997         u8 buf[512];
 998         struct ieee80211req_getset_appiebuf *beac_ie;
 999
1000         wpa_printf(MSG_DEBUG, "%s buflen = %lu frametype=%u", __func__,
1001                    (unsigned long) len, frametype);
1002         wpa_hexdump(MSG_DEBUG, "atheros: IE", ie, len);
1003
1004         beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
1005         beac_ie->app_frmtype = frametype;
1006         beac_ie->app_buflen = len;
1007         os_memcpy(&(beac_ie->app_buf[0]), ie, len);
1008
1009         /* append the WPA/RSN IE if it is set already */
1010         if (((frametype == IEEE80211_APPIE_FRAME_BEACON) ||
1011              (frametype == IEEE80211_APPIE_FRAME_PROBE_RESP)) &&
1012             (drv->wpa_ie != NULL)) {
1013                 wpa_hexdump_buf(MSG_DEBUG, "atheros: Append WPA/RSN IE",
1014                                 drv->wpa_ie);
1015                 os_memcpy(&(beac_ie->app_buf[len]), wpabuf_head(drv->wpa_ie),
1016                           wpabuf_len(drv->wpa_ie));
1017                 beac_ie->app_buflen += wpabuf_len(drv->wpa_ie);
1018         }
1019
1020         wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF",
1021                     beac_ie->app_buf, beac_ie->app_buflen);
1022         return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
1023                             sizeof(struct ieee80211req_getset_appiebuf) +
1024                             beac_ie->app_buflen);
1025 }
1026
1027 static int
1028 atheros_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
1029                       const struct wpabuf *proberesp,
1030                       const struct wpabuf *assocresp)
1031 {
1032         struct atheros_driver_data *drv = priv;
1033
1034         wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - beacon", beacon);
1035         wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - proberesp",
1036                         proberesp);
1037         wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - assocresp",
1038                         assocresp);
1039         wpabuf_free(drv->wps_beacon_ie);
1040         drv->wps_beacon_ie = beacon ? wpabuf_dup(beacon) : NULL;
1041         wpabuf_free(drv->wps_probe_resp_ie);
1042         drv->wps_probe_resp_ie = proberesp ? wpabuf_dup(proberesp) : NULL;
1043
1044         atheros_set_wps_ie(priv, assocresp ? wpabuf_head(assocresp) : NULL,
1045                            assocresp ? wpabuf_len(assocresp) : 0,
1046                            IEEE80211_APPIE_FRAME_ASSOC_RESP);
1047         if (atheros_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
1048                                beacon ? wpabuf_len(beacon) : 0,
1049                                IEEE80211_APPIE_FRAME_BEACON))
1050                 return -1;
1051         return atheros_set_wps_ie(priv,
1052                                   proberesp ? wpabuf_head(proberesp) : NULL,
1053                                   proberesp ? wpabuf_len(proberesp): 0,
1054                                   IEEE80211_APPIE_FRAME_PROBE_RESP);
1055 }
1056 #else /* CONFIG_WPS */
1057 #define atheros_set_ap_wps_ie NULL
1058 #endif /* CONFIG_WPS */
1059
1060 #ifdef CONFIG_IEEE80211R
1061 static int
1062 atheros_sta_auth(void *priv, const u8 *own_addr, const u8 *addr, u16 seq,
1063                  u16 status_code, const u8 *ie, size_t len)
1064 {
1065         struct atheros_driver_data *drv = priv;
1066         struct ieee80211req_mlme mlme;
1067         int ret;
1068
1069         wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d",
1070                    __func__, ether_sprintf(addr), status_code);
1071
1072         mlme.im_op = IEEE80211_MLME_AUTH;
1073         mlme.im_reason = status_code;
1074         mlme.im_seq = seq;
1075         os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1076         mlme.im_optie_len = len;
1077         if (len) {
1078                 if (len < IEEE80211_MAX_OPT_IE) {
1079                         os_memcpy(mlme.im_optie, ie, len);
1080                 } else {
1081                         wpa_printf(MSG_DEBUG, "%s: Not enough space to copy "
1082                                    "opt_ie STA (addr " MACSTR " reason %d, "
1083                                    "ie_len %d)",
1084                                    __func__, MAC2STR(addr), status_code,
1085                                    (int) len);
1086                         return -1;
1087                 }
1088         }
1089         ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
1090         if (ret < 0) {
1091                 wpa_printf(MSG_DEBUG, "%s: Failed to auth STA (addr " MACSTR
1092                            " reason %d)",
1093                            __func__, MAC2STR(addr), status_code);
1094         }
1095         return ret;
1096 }
1097
1098 static int
1099 atheros_sta_assoc(void *priv, const u8 *own_addr, const u8 *addr,
1100                   int reassoc, u16 status_code, const u8 *ie, size_t len)
1101 {
1102         struct atheros_driver_data *drv = priv;
1103         struct ieee80211req_mlme mlme;
1104         int ret;
1105
1106         wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d reassoc %d",
1107                    __func__, ether_sprintf(addr), status_code, reassoc);
1108
1109         if (reassoc)
1110                 mlme.im_op = IEEE80211_MLME_REASSOC;
1111         else
1112                 mlme.im_op = IEEE80211_MLME_ASSOC;
1113         mlme.im_reason = status_code;
1114         os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1115         mlme.im_optie_len = len;
1116         if (len) {
1117                 if (len < IEEE80211_MAX_OPT_IE) {
1118                         os_memcpy(mlme.im_optie, ie, len);
1119                 } else {
1120                         wpa_printf(MSG_DEBUG, "%s: Not enough space to copy "
1121                                    "opt_ie STA (addr " MACSTR " reason %d, "
1122                                    "ie_len %d)",
1123                                    __func__, MAC2STR(addr), status_code,
1124                                    (int) len);
1125                         return -1;
1126                 }
1127         }
1128         ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
1129         if (ret < 0) {
1130                 wpa_printf(MSG_DEBUG, "%s: Failed to assoc STA (addr " MACSTR
1131                            " reason %d)",
1132                            __func__, MAC2STR(addr), status_code);
1133         }
1134         return ret;
1135 }
1136 #endif /* CONFIG_IEEE80211R */
1137
1138 static void
1139 atheros_new_sta(struct atheros_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
1140 {
1141         struct hostapd_data *hapd = drv->hapd;
1142         struct ieee80211req_wpaie ie;
1143         int ielen = 0;
1144         u8 *iebuf = NULL;
1145
1146         /*
1147          * Fetch negotiated WPA/RSN parameters from the system.
1148          */
1149         memset(&ie, 0, sizeof(ie));
1150         memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
1151         if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
1152                 /*
1153                  * See ATH_WPS_IE comment in the beginning of the file for a
1154                  * possible cause for the failure..
1155                  */
1156                 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s",
1157                            __func__, strerror(errno));
1158                 goto no_ie;
1159         }
1160         wpa_hexdump(MSG_MSGDUMP, "atheros req WPA IE",
1161                     ie.wpa_ie, IEEE80211_MAX_OPT_IE);
1162         wpa_hexdump(MSG_MSGDUMP, "atheros req RSN IE",
1163                     ie.rsn_ie, IEEE80211_MAX_OPT_IE);
1164 #ifdef ATH_WPS_IE
1165         wpa_hexdump(MSG_MSGDUMP, "atheros req WPS IE",
1166                     ie.wps_ie, IEEE80211_MAX_OPT_IE);
1167 #endif /* ATH_WPS_IE */
1168         iebuf = ie.wpa_ie;
1169         /* atheros seems to return some random data if WPA/RSN IE is not set.
1170          * Assume the IE was not included if the IE type is unknown. */
1171         if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
1172                 iebuf[1] = 0;
1173         if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
1174                 /* atheros-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
1175                  * set. This is needed for WPA2. */
1176                 iebuf = ie.rsn_ie;
1177                 if (iebuf[0] != WLAN_EID_RSN)
1178                         iebuf[1] = 0;
1179         }
1180
1181         ielen = iebuf[1];
1182
1183 #ifdef ATH_WPS_IE
1184         /* if WPS IE is present, preference is given to WPS */
1185         if (ie.wps_ie &&
1186             (ie.wps_ie[1] > 0 && (ie.wps_ie[0] == WLAN_EID_VENDOR_SPECIFIC))) {
1187                 iebuf = ie.wps_ie;
1188                 ielen = ie.wps_ie[1];
1189         }
1190 #endif /* ATH_WPS_IE */
1191
1192         if (ielen == 0)
1193                 iebuf = NULL;
1194         else
1195                 ielen += 2;
1196
1197 no_ie:
1198         drv_event_assoc(hapd, addr, iebuf, ielen, 0);
1199
1200         if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
1201                 /* Cached accounting data is not valid anymore. */
1202                 memset(drv->acct_mac, 0, ETH_ALEN);
1203                 memset(&drv->acct_data, 0, sizeof(drv->acct_data));
1204         }
1205 }
1206
1207 static void
1208 atheros_wireless_event_wireless_custom(struct atheros_driver_data *drv,
1209                                        char *custom, char *end)
1210 {
1211         wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
1212
1213         if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
1214                 char *pos;
1215                 u8 addr[ETH_ALEN];
1216                 pos = strstr(custom, "addr=");
1217                 if (pos == NULL) {
1218                         wpa_printf(MSG_DEBUG,
1219                                    "MLME-MICHAELMICFAILURE.indication "
1220                                    "without sender address ignored");
1221                         return;
1222                 }
1223                 pos += 5;
1224                 if (hwaddr_aton(pos, addr) == 0) {
1225                         union wpa_event_data data;
1226                         os_memset(&data, 0, sizeof(data));
1227                         data.michael_mic_failure.unicast = 1;
1228                         data.michael_mic_failure.src = addr;
1229                         wpa_supplicant_event(drv->hapd,
1230                                              EVENT_MICHAEL_MIC_FAILURE, &data);
1231                 } else {
1232                         wpa_printf(MSG_DEBUG,
1233                                    "MLME-MICHAELMICFAILURE.indication "
1234                                    "with invalid MAC address");
1235                 }
1236         } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
1237                 char *key, *value;
1238                 u32 val;
1239                 key = custom;
1240                 while ((key = strchr(key, '\n')) != NULL) {
1241                         key++;
1242                         value = strchr(key, '=');
1243                         if (value == NULL)
1244                                 continue;
1245                         *value++ = '\0';
1246                         val = strtoul(value, NULL, 10);
1247                         if (strcmp(key, "mac") == 0)
1248                                 hwaddr_aton(value, drv->acct_mac);
1249                         else if (strcmp(key, "rx_packets") == 0)
1250                                 drv->acct_data.rx_packets = val;
1251                         else if (strcmp(key, "tx_packets") == 0)
1252                                 drv->acct_data.tx_packets = val;
1253                         else if (strcmp(key, "rx_bytes") == 0)
1254                                 drv->acct_data.rx_bytes = val;
1255                         else if (strcmp(key, "tx_bytes") == 0)
1256                                 drv->acct_data.tx_bytes = val;
1257                         key = value;
1258                 }
1259 #ifdef CONFIG_WPS
1260         } else if (strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) {
1261                 /* Some atheros kernels send push button as a wireless event */
1262                 /* PROBLEM! this event is received for ALL BSSs ...
1263                  * so all are enabled for WPS... ugh.
1264                  */
1265                 wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL);
1266 #endif /* CONFIG_WPS */
1267 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) || defined(CONFIG_HS20)
1268 #define MGMT_FRAM_TAG_SIZE 30 /* hardcoded in driver */
1269         } else if (strncmp(custom, "Manage.prob_req ", 16) == 0) {
1270                 /*
1271                  * Atheros driver uses a hack to pass Probe Request frames as a
1272                  * binary data in the custom wireless event. The old way (using
1273                  * packet sniffing) didn't work when bridging.
1274                  * Format: "Manage.prob_req <frame len>" | zero padding | frame
1275                  */
1276                 int len = atoi(custom + 16);
1277                 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) {
1278                         wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event "
1279                                    "length %d", len);
1280                         return;
1281                 }
1282                 atheros_raw_receive(drv, NULL,
1283                                     (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1284         } else if (strncmp(custom, "Manage.assoc_req ", 17) == 0) {
1285                 /* Format: "Manage.assoc_req <frame len>" | zero padding |
1286                  * frame */
1287                 int len = atoi(custom + 17);
1288                 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) {
1289                         wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req/"
1290                                    "assoc_req/auth event length %d", len);
1291                         return;
1292                 }
1293                 atheros_raw_receive(drv, NULL,
1294                                     (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1295         } else if (strncmp(custom, "Manage.action ", 14) == 0) {
1296                 /* Format: "Manage.assoc_req <frame len>" | zero padding |
1297                  * frame */
1298                 int len = atoi(custom + 14);
1299                 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) {
1300                         wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req/"
1301                                    "assoc_req/auth event length %d", len);
1302                         return;
1303                 }
1304                 atheros_raw_receive(drv, NULL,
1305                                     (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1306         } else if (strncmp(custom, "Manage.auth ", 12) == 0) {
1307                 /* Format: "Manage.auth <frame len>" | zero padding | frame
1308                  */
1309                 int len = atoi(custom + 12);
1310                 if (len < 0 || custom + MGMT_FRAM_TAG_SIZE + len > end) {
1311                         wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req/"
1312                                    "assoc_req/auth event length %d", len);
1313                         return;
1314                 }
1315                 atheros_raw_receive(drv, NULL,
1316                                     (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1317 #endif /* CONFIG_WPS or CONFIG_IEEE80211R */
1318         }
1319 }
1320
1321 /*
1322 * Handle size of data problem. WEXT only allows data of 256 bytes for custom
1323 * events, and p2p data can be much bigger. So the athr driver sends a small
1324 * event telling me to collect the big data with an ioctl.
1325 * On the first event, send all pending events to supplicant.
1326 */
1327 static void fetch_pending_big_events(struct atheros_driver_data *drv)
1328 {
1329         union wpa_event_data event;
1330         const struct ieee80211_mgmt *mgmt;
1331         u8 tbuf[IW_PRIV_SIZE_MASK]; /* max size is 2047 bytes */
1332         u16 fc, stype;
1333         struct iwreq iwr;
1334         size_t data_len;
1335         u32 freq, frame_type;
1336
1337         while (1) {
1338                 os_memset(&iwr, 0, sizeof(iwr));
1339                 os_strncpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1340
1341                 iwr.u.data.pointer = (void *) tbuf;
1342                 iwr.u.data.length = sizeof(tbuf);
1343                 iwr.u.data.flags = IEEE80211_IOC_P2P_FETCH_FRAME;
1344
1345                 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr)
1346                     < 0) {
1347                         if (errno == ENOSPC) {
1348                                 wpa_printf(MSG_DEBUG, "%s:%d exit",
1349                                            __func__, __LINE__);
1350                                 return;
1351                         }
1352                         wpa_printf(MSG_DEBUG, "athr: %s: P2P_BIG_PARAM["
1353                                    "P2P_FETCH_FRAME] failed: %s",
1354                                    __func__, strerror(errno));
1355                         return;
1356                 }
1357                 data_len = iwr.u.data.length;
1358                 wpa_hexdump(MSG_DEBUG, "athr: P2P_FETCH_FRAME data",
1359                             (u8 *) tbuf, data_len);
1360                 if (data_len < sizeof(freq) + sizeof(frame_type) + 24) {
1361                         wpa_printf(MSG_DEBUG, "athr: frame too short");
1362                         continue;
1363                 }
1364                 os_memcpy(&freq, tbuf, sizeof(freq));
1365                 os_memcpy(&frame_type, &tbuf[sizeof(freq)],
1366                           sizeof(frame_type));
1367                 mgmt = (void *) &tbuf[sizeof(freq) + sizeof(frame_type)];
1368                 data_len -= sizeof(freq) + sizeof(frame_type);
1369
1370                 if (frame_type == IEEE80211_EV_RX_MGMT) {
1371                         fc = le_to_host16(mgmt->frame_control);
1372                         stype = WLAN_FC_GET_STYPE(fc);
1373
1374                         wpa_printf(MSG_DEBUG, "athr: EV_RX_MGMT stype=%u "
1375                                 "freq=%u len=%u", stype, freq, (int) data_len);
1376
1377                         if (stype == WLAN_FC_STYPE_ACTION) {
1378                                 os_memset(&event, 0, sizeof(event));
1379                                 event.rx_mgmt.frame = (const u8 *) mgmt;
1380                                 event.rx_mgmt.frame_len = data_len;
1381                                 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT,
1382                                                      &event);
1383                                 continue;
1384                         }
1385                 } else {
1386                         wpa_printf(MSG_DEBUG, "athr: %s unknown type %d",
1387                                    __func__, frame_type);
1388                         continue;
1389                 }
1390         }
1391 }
1392
1393 static void
1394 atheros_wireless_event_atheros_custom(struct atheros_driver_data *drv,
1395                                       int opcode, char *buf, int len)
1396 {
1397         switch (opcode) {
1398         case IEEE80211_EV_RX_MGMT:
1399                 wpa_printf(MSG_DEBUG, "WEXT: EV_RX_MGMT");
1400                 fetch_pending_big_events(drv);
1401                 break;
1402         default:
1403                 break;
1404         }
1405 }
1406
1407 static void
1408 atheros_wireless_event_wireless(struct atheros_driver_data *drv,
1409                                 char *data, int len)
1410 {
1411         struct iw_event iwe_buf, *iwe = &iwe_buf;
1412         char *pos, *end, *custom, *buf;
1413
1414         pos = data;
1415         end = data + len;
1416
1417         while (pos + IW_EV_LCP_LEN <= end) {
1418                 /* Event data may be unaligned, so make a local, aligned copy
1419                  * before processing. */
1420                 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
1421                 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
1422                            iwe->cmd, iwe->len);
1423                 if (iwe->len <= IW_EV_LCP_LEN)
1424                         return;
1425
1426                 custom = pos + IW_EV_POINT_LEN;
1427                 if (drv->we_version > 18 &&
1428                     (iwe->cmd == IWEVMICHAELMICFAILURE ||
1429                      iwe->cmd == IWEVASSOCREQIE ||
1430                      iwe->cmd == IWEVCUSTOM)) {
1431                         /* WE-19 removed the pointer from struct iw_point */
1432                         char *dpos = (char *) &iwe_buf.u.data.length;
1433                         int dlen = dpos - (char *) &iwe_buf;
1434                         memcpy(dpos, pos + IW_EV_LCP_LEN,
1435                                sizeof(struct iw_event) - dlen);
1436                 } else {
1437                         memcpy(&iwe_buf, pos, sizeof(struct iw_event));
1438                         custom += IW_EV_POINT_OFF;
1439                 }
1440
1441                 switch (iwe->cmd) {
1442                 case IWEVEXPIRED:
1443                         drv_event_disassoc(drv->hapd,
1444                                            (u8 *) iwe->u.addr.sa_data);
1445                         break;
1446                 case IWEVREGISTERED:
1447                         atheros_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
1448                         break;
1449                 case IWEVASSOCREQIE:
1450                         /* Driver hack.. Use IWEVASSOCREQIE to bypass
1451                          * IWEVCUSTOM size limitations. Need to handle this
1452                          * just like IWEVCUSTOM.
1453                          */
1454                 case IWEVCUSTOM:
1455                         if (custom + iwe->u.data.length > end)
1456                                 return;
1457                         buf = malloc(iwe->u.data.length + 1);
1458                         if (buf == NULL)
1459                                 return;         /* XXX */
1460                         memcpy(buf, custom, iwe->u.data.length);
1461                         buf[iwe->u.data.length] = '\0';
1462
1463                         if (iwe->u.data.flags != 0) {
1464                                 atheros_wireless_event_atheros_custom(
1465                                         drv, (int) iwe->u.data.flags,
1466                                         buf, len);
1467                         } else {
1468                                 atheros_wireless_event_wireless_custom(
1469                                         drv, buf, buf + iwe->u.data.length);
1470                         }
1471                         free(buf);
1472                         break;
1473                 }
1474
1475                 pos += iwe->len;
1476         }
1477 }
1478
1479
1480 static void
1481 atheros_wireless_event_rtm_newlink(void *ctx,
1482                                    struct ifinfomsg *ifi, u8 *buf, size_t len)
1483 {
1484         struct atheros_driver_data *drv = ctx;
1485         int attrlen, rta_len;
1486         struct rtattr *attr;
1487
1488         if (ifi->ifi_index != drv->ifindex)
1489                 return;
1490
1491         attrlen = len;
1492         attr = (struct rtattr *) buf;
1493
1494         rta_len = RTA_ALIGN(sizeof(struct rtattr));
1495         while (RTA_OK(attr, attrlen)) {
1496                 if (attr->rta_type == IFLA_WIRELESS) {
1497                         atheros_wireless_event_wireless(
1498                                 drv, ((char *) attr) + rta_len,
1499                                 attr->rta_len - rta_len);
1500                 }
1501                 attr = RTA_NEXT(attr, attrlen);
1502         }
1503 }
1504
1505
1506 static int
1507 atheros_get_we_version(struct atheros_driver_data *drv)
1508 {
1509         struct iw_range *range;
1510         struct iwreq iwr;
1511         int minlen;
1512         size_t buflen;
1513
1514         drv->we_version = 0;
1515
1516         /*
1517          * Use larger buffer than struct iw_range in order to allow the
1518          * structure to grow in the future.
1519          */
1520         buflen = sizeof(struct iw_range) + 500;
1521         range = os_zalloc(buflen);
1522         if (range == NULL)
1523                 return -1;
1524
1525         memset(&iwr, 0, sizeof(iwr));
1526         os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1527         iwr.u.data.pointer = (caddr_t) range;
1528         iwr.u.data.length = buflen;
1529
1530         minlen = ((char *) &range->enc_capa) - (char *) range +
1531                 sizeof(range->enc_capa);
1532
1533         if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1534                 perror("ioctl[SIOCGIWRANGE]");
1535                 free(range);
1536                 return -1;
1537         } else if (iwr.u.data.length >= minlen &&
1538                    range->we_version_compiled >= 18) {
1539                 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1540                            "WE(source)=%d enc_capa=0x%x",
1541                            range->we_version_compiled,
1542                            range->we_version_source,
1543                            range->enc_capa);
1544                 drv->we_version = range->we_version_compiled;
1545         }
1546
1547         os_free(range);
1548         return 0;
1549 }
1550
1551
1552 static int
1553 atheros_wireless_event_init(struct atheros_driver_data *drv)
1554 {
1555         struct netlink_config *cfg;
1556
1557         atheros_get_we_version(drv);
1558
1559         cfg = os_zalloc(sizeof(*cfg));
1560         if (cfg == NULL)
1561                 return -1;
1562         cfg->ctx = drv;
1563         cfg->newlink_cb = atheros_wireless_event_rtm_newlink;
1564         drv->netlink = netlink_init(cfg);
1565         if (drv->netlink == NULL) {
1566                 os_free(cfg);
1567                 return -1;
1568         }
1569
1570         return 0;
1571 }
1572
1573
1574 static int
1575 atheros_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
1576                    int encrypt, const u8 *own_addr, u32 flags)
1577 {
1578         struct atheros_driver_data *drv = priv;
1579         unsigned char buf[3000];
1580         unsigned char *bp = buf;
1581         struct l2_ethhdr *eth;
1582         size_t len;
1583         int status;
1584
1585         /*
1586          * Prepend the Ethernet header.  If the caller left us
1587          * space at the front we could just insert it but since
1588          * we don't know we copy to a local buffer.  Given the frequency
1589          * and size of frames this probably doesn't matter.
1590          */
1591         len = data_len + sizeof(struct l2_ethhdr);
1592         if (len > sizeof(buf)) {
1593                 bp = malloc(len);
1594                 if (bp == NULL) {
1595                         printf("EAPOL frame discarded, cannot malloc temp "
1596                                "buffer of size %lu!\n", (unsigned long) len);
1597                         return -1;
1598                 }
1599         }
1600         eth = (struct l2_ethhdr *) bp;
1601         memcpy(eth->h_dest, addr, ETH_ALEN);
1602         memcpy(eth->h_source, own_addr, ETH_ALEN);
1603         eth->h_proto = host_to_be16(ETH_P_EAPOL);
1604         memcpy(eth+1, data, data_len);
1605
1606         wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
1607
1608         status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
1609
1610         if (bp != buf)
1611                 free(bp);
1612         return status;
1613 }
1614
1615 static void
1616 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1617 {
1618         struct atheros_driver_data *drv = ctx;
1619         drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
1620                            len - sizeof(struct l2_ethhdr));
1621 }
1622
1623 static void *
1624 atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params)
1625 {
1626         struct atheros_driver_data *drv;
1627         struct ifreq ifr;
1628         struct iwreq iwr;
1629         char brname[IFNAMSIZ];
1630
1631         drv = os_zalloc(sizeof(struct atheros_driver_data));
1632         if (drv == NULL) {
1633                 printf("Could not allocate memory for atheros driver data\n");
1634                 return NULL;
1635         }
1636
1637         drv->hapd = hapd;
1638         drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1639         if (drv->ioctl_sock < 0) {
1640                 perror("socket[PF_INET,SOCK_DGRAM]");
1641                 goto bad;
1642         }
1643         memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1644
1645         memset(&ifr, 0, sizeof(ifr));
1646         os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
1647         if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
1648                 perror("ioctl(SIOCGIFINDEX)");
1649                 goto bad;
1650         }
1651         drv->ifindex = ifr.ifr_ifindex;
1652
1653         drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
1654                                         handle_read, drv, 1);
1655         if (drv->sock_xmit == NULL)
1656                 goto bad;
1657         if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
1658                 goto bad;
1659         if (params->bridge[0]) {
1660                 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
1661                            params->bridge[0]);
1662                 drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
1663                                                 ETH_P_EAPOL, handle_read, drv,
1664                                                 1);
1665                 if (drv->sock_recv == NULL)
1666                         goto bad;
1667         } else if (linux_br_get(brname, drv->iface) == 0) {
1668                 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for "
1669                            "EAPOL receive", brname);
1670                 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL,
1671                                                 handle_read, drv, 1);
1672                 if (drv->sock_recv == NULL)
1673                         goto bad;
1674         } else
1675                 drv->sock_recv = drv->sock_xmit;
1676
1677         memset(&iwr, 0, sizeof(iwr));
1678         os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1679
1680         iwr.u.mode = IW_MODE_MASTER;
1681
1682         if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
1683                 perror("ioctl[SIOCSIWMODE]");
1684                 printf("Could not set interface to master mode!\n");
1685                 goto bad;
1686         }
1687
1688         /* mark down during setup */
1689         linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1690         atheros_set_privacy(drv, 0); /* default to no privacy */
1691
1692         atheros_receive_pkt(drv);
1693
1694         if (atheros_wireless_event_init(drv))
1695                 goto bad;
1696
1697         return drv;
1698 bad:
1699         if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1700                 l2_packet_deinit(drv->sock_recv);
1701         if (drv->sock_xmit != NULL)
1702                 l2_packet_deinit(drv->sock_xmit);
1703         if (drv->ioctl_sock >= 0)
1704                 close(drv->ioctl_sock);
1705         if (drv != NULL)
1706                 free(drv);
1707         return NULL;
1708 }
1709
1710
1711 static void
1712 atheros_deinit(void *priv)
1713 {
1714         struct atheros_driver_data *drv = priv;
1715
1716         atheros_reset_appfilter(drv);
1717         netlink_deinit(drv->netlink);
1718         (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1719         if (drv->ioctl_sock >= 0)
1720                 close(drv->ioctl_sock);
1721         if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1722                 l2_packet_deinit(drv->sock_recv);
1723         if (drv->sock_xmit != NULL)
1724                 l2_packet_deinit(drv->sock_xmit);
1725         if (drv->sock_raw)
1726                 l2_packet_deinit(drv->sock_raw);
1727         wpabuf_free(drv->wpa_ie);
1728         wpabuf_free(drv->wps_beacon_ie);
1729         wpabuf_free(drv->wps_probe_resp_ie);
1730         free(drv);
1731 }
1732
1733 static int
1734 atheros_set_ssid(void *priv, const u8 *buf, int len)
1735 {
1736         struct atheros_driver_data *drv = priv;
1737         struct iwreq iwr;
1738
1739         memset(&iwr, 0, sizeof(iwr));
1740         os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1741         iwr.u.essid.flags = 1; /* SSID active */
1742         iwr.u.essid.pointer = (caddr_t) buf;
1743         iwr.u.essid.length = len + 1;
1744
1745         if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
1746                 perror("ioctl[SIOCSIWESSID]");
1747                 printf("len=%d\n", len);
1748                 return -1;
1749         }
1750         return 0;
1751 }
1752
1753 static int
1754 atheros_get_ssid(void *priv, u8 *buf, int len)
1755 {
1756         struct atheros_driver_data *drv = priv;
1757         struct iwreq iwr;
1758         int ret = 0;
1759
1760         memset(&iwr, 0, sizeof(iwr));
1761         os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1762         iwr.u.essid.pointer = (caddr_t) buf;
1763         iwr.u.essid.length = (len > IW_ESSID_MAX_SIZE) ?
1764                 IW_ESSID_MAX_SIZE : len;
1765
1766         if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
1767                 perror("ioctl[SIOCGIWESSID]");
1768                 ret = -1;
1769         } else
1770                 ret = iwr.u.essid.length;
1771
1772         return ret;
1773 }
1774
1775 static int
1776 atheros_set_countermeasures(void *priv, int enabled)
1777 {
1778         struct atheros_driver_data *drv = priv;
1779         wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1780         return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
1781 }
1782
1783 static int
1784 atheros_commit(void *priv)
1785 {
1786         struct atheros_driver_data *drv = priv;
1787         return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
1788 }
1789
1790 static int atheros_set_authmode(void *priv, int auth_algs)
1791 {
1792         int authmode;
1793
1794         if ((auth_algs & WPA_AUTH_ALG_OPEN) &&
1795             (auth_algs & WPA_AUTH_ALG_SHARED))
1796                 authmode = IEEE80211_AUTH_AUTO;
1797         else if (auth_algs & WPA_AUTH_ALG_OPEN)
1798                 authmode = IEEE80211_AUTH_OPEN;
1799         else if (auth_algs & WPA_AUTH_ALG_SHARED)
1800                 authmode = IEEE80211_AUTH_SHARED;
1801         else
1802                 return -1;
1803
1804         return set80211param(priv, IEEE80211_PARAM_AUTHMODE, authmode);
1805 }
1806
1807 static int atheros_set_ap(void *priv, struct wpa_driver_ap_params *params)
1808 {
1809         /*
1810          * TODO: Use this to replace set_authmode, set_privacy, set_ieee8021x,
1811          * set_generic_elem, and hapd_set_ssid.
1812          */
1813
1814         wpa_printf(MSG_DEBUG, "atheros: set_ap - pairwise_ciphers=0x%x "
1815                    "group_cipher=0x%x key_mgmt_suites=0x%x auth_algs=0x%x "
1816                    "wpa_version=0x%x privacy=%d interworking=%d",
1817                    params->pairwise_ciphers, params->group_cipher,
1818                    params->key_mgmt_suites, params->auth_algs,
1819                    params->wpa_version, params->privacy, params->interworking);
1820         wpa_hexdump_ascii(MSG_DEBUG, "atheros: SSID",
1821                           params->ssid, params->ssid_len);
1822         if (params->hessid)
1823                 wpa_printf(MSG_DEBUG, "atheros: HESSID " MACSTR,
1824                            MAC2STR(params->hessid));
1825         wpa_hexdump_buf(MSG_DEBUG, "atheros: beacon_ies",
1826                         params->beacon_ies);
1827         wpa_hexdump_buf(MSG_DEBUG, "atheros: proberesp_ies",
1828                         params->proberesp_ies);
1829         wpa_hexdump_buf(MSG_DEBUG, "atheros: assocresp_ies",
1830                         params->assocresp_ies);
1831
1832         return 0;
1833 }
1834
1835
1836 #ifdef CONFIG_IEEE80211R
1837
1838 static int atheros_send_mgmt(void *priv, const u8 *frm, size_t data_len,
1839                              int noack)
1840 {
1841         struct atheros_driver_data *drv = priv;
1842         u8 buf[1510];
1843         const struct ieee80211_mgmt *mgmt;
1844         struct ieee80211req_mgmtbuf *mgmt_frm;
1845
1846         mgmt = (const struct ieee80211_mgmt *) frm;
1847         wpa_printf(MSG_DEBUG, "%s frmlen = %lu " MACSTR, __func__,
1848                    (unsigned long) data_len, MAC2STR(mgmt->da));
1849         mgmt_frm = (struct ieee80211req_mgmtbuf *) buf;
1850         memcpy(mgmt_frm->macaddr, (u8 *)mgmt->da, IEEE80211_ADDR_LEN);
1851         mgmt_frm->buflen = data_len;
1852         if (&mgmt_frm->buf[0] + data_len > buf + sizeof(buf)) {
1853                 wpa_printf(MSG_INFO, "atheros: Too long frame for "
1854                            "atheros_send_mgmt (%u)", (unsigned int) data_len);
1855                 return -1;
1856         }
1857         os_memcpy(&mgmt_frm->buf[0], frm, data_len);
1858         return set80211priv(drv, IEEE80211_IOCTL_SEND_MGMT, mgmt_frm,
1859                             sizeof(struct ieee80211req_mgmtbuf) + data_len);
1860 }
1861
1862
1863 static int atheros_add_tspec(void *priv, const u8 *addr, u8 *tspec_ie,
1864                              size_t tspec_ielen)
1865 {
1866         struct atheros_driver_data *drv = priv;
1867         int retv;
1868         struct ieee80211req_res req;
1869         struct ieee80211req_res_addts *addts = &req.u.addts;
1870
1871         wpa_printf(MSG_DEBUG, "%s", __func__);
1872         req.type = IEEE80211_RESREQ_ADDTS;
1873         os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN);
1874         os_memcpy(addts->tspecie, tspec_ie, tspec_ielen);
1875         retv = set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req,
1876                             sizeof(struct ieee80211req_res));
1877         if (retv < 0) {
1878                 wpa_printf(MSG_DEBUG, "%s IEEE80211_IOCTL_RES_REQ FAILED "
1879                            "retv = %d", __func__, retv);
1880                 return -1;
1881         }
1882         os_memcpy(tspec_ie, addts->tspecie, tspec_ielen);
1883         return addts->status;
1884 }
1885
1886
1887 static int atheros_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
1888 {
1889         struct atheros_driver_data *drv = priv;
1890         struct ieee80211req_res req;
1891         struct ieee80211req_res_addnode *addnode = &req.u.addnode;
1892
1893         wpa_printf(MSG_DEBUG, "%s", __func__);
1894         req.type = IEEE80211_RESREQ_ADDNODE;
1895         os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN);
1896         addnode->auth_alg = auth_alg;
1897         return set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req,
1898                             sizeof(struct ieee80211req_res));
1899 }
1900
1901 #endif /* CONFIG_IEEE80211R */
1902
1903
1904 /* Use only to set a big param, get will not work. */
1905 static int
1906 set80211big(struct atheros_driver_data *drv, int op, const void *data, int len)
1907 {
1908         struct iwreq iwr;
1909
1910         os_memset(&iwr, 0, sizeof(iwr));
1911         os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1912
1913         iwr.u.data.pointer = (void *) data;
1914         iwr.u.data.length = len;
1915         iwr.u.data.flags = op;
1916         wpa_printf(MSG_DEBUG, "%s: op=0x%x=%d (%s) len=0x%x",
1917                    __func__, op, op, athr_get_param_name(op), len);
1918
1919         if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) < 0) {
1920                 wpa_printf(MSG_DEBUG, "%s: op=0x%x (%s) subop=0x%x=%d "
1921                            "value=0x%x,0x%x failed: %d (%s)",
1922                            __func__, op, athr_get_ioctl_name(op), iwr.u.mode,
1923                            iwr.u.mode, iwr.u.data.length,
1924                            iwr.u.data.flags, errno, strerror(errno));
1925                 return -1;
1926         }
1927         return 0;
1928 }
1929
1930
1931 static int atheros_send_action(void *priv, unsigned int freq,
1932                                unsigned int wait,
1933                                const u8 *dst, const u8 *src,
1934                                const u8 *bssid,
1935                                const u8 *data, size_t data_len, int no_cck)
1936 {
1937         struct atheros_driver_data *drv = priv;
1938         struct ieee80211_p2p_send_action *act;
1939         int res;
1940
1941         act = os_zalloc(sizeof(*act) + data_len);
1942         if (act == NULL)
1943                 return -1;
1944         act->freq = freq;
1945         os_memcpy(act->dst_addr, dst, ETH_ALEN);
1946         os_memcpy(act->src_addr, src, ETH_ALEN);
1947         os_memcpy(act->bssid, bssid, ETH_ALEN);
1948         os_memcpy(act + 1, data, data_len);
1949         wpa_printf(MSG_DEBUG, "%s: freq=%d, wait=%u, dst=" MACSTR ", src="
1950                    MACSTR ", bssid=" MACSTR,
1951                    __func__, act->freq, wait, MAC2STR(act->dst_addr),
1952                    MAC2STR(act->src_addr), MAC2STR(act->bssid));
1953         wpa_hexdump(MSG_MSGDUMP, "athr: act", (u8 *) act, sizeof(*act));
1954         wpa_hexdump(MSG_MSGDUMP, "athr: data", data, data_len);
1955
1956         res = set80211big(drv, IEEE80211_IOC_P2P_SEND_ACTION,
1957                           act, sizeof(*act) + data_len);
1958         os_free(act);
1959         return res;
1960 }
1961
1962
1963 #ifdef CONFIG_IEEE80211V
1964 static int athr_wnm_tfs(struct atheros_driver_data *drv, const u8* peer,
1965                         u8 *ie, u16 *len, enum wnm_oper oper)
1966 {
1967 #define IEEE80211_APPIE_MAX    1024 /* max appie buffer size */
1968         u8 buf[IEEE80211_APPIE_MAX];
1969         struct ieee80211req_getset_appiebuf *tfs_ie;
1970         u16 val;
1971
1972         wpa_printf(MSG_DEBUG, "atheros: ifname=%s, WNM TFS IE oper=%d " MACSTR,
1973                    drv->iface, oper, MAC2STR(peer));
1974
1975         switch (oper) {
1976         case WNM_SLEEP_TFS_REQ_IE_SET:
1977                 if (*len > IEEE80211_APPIE_MAX -
1978                     sizeof(struct ieee80211req_getset_appiebuf)) {
1979                         wpa_printf(MSG_DEBUG, "TFS Req IE(s) too large");
1980                         return -1;
1981                 }
1982                 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
1983                 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
1984                 tfs_ie->app_buflen = ETH_ALEN + 2 + 2 + *len;
1985
1986                 /* Command header for driver */
1987                 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
1988                 val = oper;
1989                 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
1990                 val = *len;
1991                 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
1992
1993                 /* copy the ie */
1994                 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2 + 2, ie, *len);
1995
1996                 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie,
1997                                  IEEE80211_APPIE_MAX)) {
1998                         wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: "
1999                                    "%s", __func__, strerror(errno));
2000                         return -1;
2001                 }
2002                 break;
2003         case WNM_SLEEP_TFS_RESP_IE_ADD:
2004                 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2005                 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2006                 tfs_ie->app_buflen = IEEE80211_APPIE_MAX -
2007                         sizeof(struct ieee80211req_getset_appiebuf);
2008                 /* Command header for driver */
2009                 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2010                 val = oper;
2011                 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2012                 val = 0;
2013                 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2014
2015                 if (set80211priv(drv, IEEE80211_IOCTL_GET_APPIEBUF, tfs_ie,
2016                                  IEEE80211_APPIE_MAX)) {
2017                         wpa_printf(MSG_DEBUG, "%s: Failed to get WNM TFS IE: "
2018                                    "%s", __func__, strerror(errno));
2019                         return -1;
2020                 }
2021
2022                 *len = tfs_ie->app_buflen;
2023                 os_memcpy(ie, &(tfs_ie->app_buf[0]), *len);
2024                 wpa_printf(MSG_DEBUG, "atheros: %c len=%d", tfs_ie->app_buf[0],
2025                            *len);
2026                 break;
2027         case WNM_SLEEP_TFS_RESP_IE_NONE:
2028                 *len = 0;
2029                 break;
2030         case WNM_SLEEP_TFS_IE_DEL:
2031                 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2032                 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2033                 tfs_ie->app_buflen = IEEE80211_APPIE_MAX -
2034                         sizeof(struct ieee80211req_getset_appiebuf);
2035                 /* Command header for driver */
2036                 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2037                 val = oper;
2038                 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2039                 val = 0;
2040                 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2041
2042                 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie,
2043                                  IEEE80211_APPIE_MAX)) {
2044                         wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: "
2045                                    "%s", __func__, strerror(errno));
2046                         return -1;
2047                 }
2048                 break;
2049         default:
2050                 wpa_printf(MSG_DEBUG, "Unsupported TFS oper %d", oper);
2051                 break;
2052         }
2053
2054         return 0;
2055 }
2056
2057
2058 static int atheros_wnm_sleep(struct atheros_driver_data *drv,
2059                              const u8 *peer, enum wnm_oper oper)
2060 {
2061         u8 *data, *pos;
2062         size_t dlen;
2063         int ret;
2064         u16 val;
2065
2066         wpa_printf(MSG_DEBUG, "atheros: WNM-Sleep Oper %d, " MACSTR,
2067                    oper, MAC2STR(peer));
2068
2069         dlen = ETH_ALEN + 2 + 2;
2070         data = os_malloc(dlen);
2071         if (data == NULL)
2072                 return -1;
2073
2074         /* Command header for driver */
2075         pos = data;
2076         os_memcpy(pos, peer, ETH_ALEN);
2077         pos += ETH_ALEN;
2078
2079         val = oper;
2080         os_memcpy(pos, &val, 2);
2081         pos += 2;
2082
2083         val = 0;
2084         os_memcpy(pos, &val, 2);
2085
2086         ret = atheros_set_wps_ie(drv, data, dlen, IEEE80211_APPIE_FRAME_WNM);
2087
2088         os_free(data);
2089
2090         return ret;
2091 }
2092
2093
2094 static int atheros_wnm_oper(void *priv, enum wnm_oper oper, const u8 *peer,
2095                             u8 *buf, u16 *buf_len)
2096 {
2097         struct atheros_driver_data *drv = priv;
2098
2099         switch (oper) {
2100         case WNM_SLEEP_ENTER_CONFIRM:
2101         case WNM_SLEEP_ENTER_FAIL:
2102         case WNM_SLEEP_EXIT_CONFIRM:
2103         case WNM_SLEEP_EXIT_FAIL:
2104                 return atheros_wnm_sleep(drv, peer, oper);
2105         case WNM_SLEEP_TFS_REQ_IE_SET:
2106         case WNM_SLEEP_TFS_RESP_IE_ADD:
2107         case WNM_SLEEP_TFS_RESP_IE_NONE:
2108         case WNM_SLEEP_TFS_IE_DEL:
2109                 return athr_wnm_tfs(drv, peer, buf, buf_len, oper);
2110         default:
2111                 wpa_printf(MSG_DEBUG, "atheros: Unsupported WNM operation %d",
2112                            oper);
2113                 return -1;
2114         }
2115 }
2116 #endif /* CONFIG_IEEE80211V */
2117
2118
2119 const struct wpa_driver_ops wpa_driver_atheros_ops = {
2120         .name                   = "atheros",
2121         .hapd_init              = atheros_init,
2122         .hapd_deinit            = atheros_deinit,
2123         .set_ieee8021x          = atheros_set_ieee8021x,
2124         .set_privacy            = atheros_set_privacy,
2125         .set_key                = atheros_set_key,
2126         .get_seqnum             = atheros_get_seqnum,
2127         .flush                  = atheros_flush,
2128         .set_generic_elem       = atheros_set_opt_ie,
2129         .sta_set_flags          = atheros_sta_set_flags,
2130         .read_sta_data          = atheros_read_sta_driver_data,
2131         .hapd_send_eapol        = atheros_send_eapol,
2132         .sta_disassoc           = atheros_sta_disassoc,
2133         .sta_deauth             = atheros_sta_deauth,
2134         .hapd_set_ssid          = atheros_set_ssid,
2135         .hapd_get_ssid          = atheros_get_ssid,
2136         .set_countermeasures    = atheros_set_countermeasures,
2137         .sta_clear_stats        = atheros_sta_clear_stats,
2138         .commit                 = atheros_commit,
2139         .set_ap_wps_ie          = atheros_set_ap_wps_ie,
2140         .set_authmode           = atheros_set_authmode,
2141         .set_ap                 = atheros_set_ap,
2142 #ifdef CONFIG_IEEE80211R
2143         .sta_assoc              = atheros_sta_assoc,
2144         .sta_auth               = atheros_sta_auth,
2145         .send_mlme              = atheros_send_mgmt,
2146         .add_tspec              = atheros_add_tspec,
2147         .add_sta_node           = atheros_add_sta_node,
2148 #endif /* CONFIG_IEEE80211R */
2149         .send_action            = atheros_send_action,
2150 #ifdef CONFIG_IEEE80211V
2151         .wnm_oper               = atheros_wnm_oper,
2152 #endif /* CONFIG_IEEE80211V */
2153 };