1 /* 2 * hostapd / Driver interaction with Atheros driver 3 * Copyright (c) 2004, Sam Leffler <sam (at) errno.com> 4 * Copyright (c) 2004, Video54 Technologies 5 * Copyright (c) 2005-2007, Jouni Malinen <j (at) 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 #if defined(CONFIG_IEEE80211W) || defined(CONFIG_IEEE80211R) || defined(CONFIG_HS20) || defined(CONFIG_WNM) || defined(CONFIG_WPS) 59 #define ATHEROS_USE_RAW_RECEIVE 60 #endif 61 62 63 struct atheros_driver_data { 64 struct hostapd_data *hapd; /* back pointer */ 65 66 char iface[IFNAMSIZ + 1]; 67 int ifindex; 68 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */ 69 struct l2_packet_data *sock_recv; /* raw packet recv socket */ 70 int ioctl_sock; /* socket for ioctl() use */ 71 struct netlink_data *netlink; 72 int we_version; 73 u8 acct_mac[ETH_ALEN]; 74 struct hostap_sta_driver_data acct_data; 75 76 struct l2_packet_data *sock_raw; /* raw 802.11 management frames */ 77 struct wpabuf *wpa_ie; 78 struct wpabuf *wps_beacon_ie; 79 struct wpabuf *wps_probe_resp_ie; 80 u8 own_addr[ETH_ALEN]; 81 }; 82 83 static int atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, 84 int reason_code); 85 static int atheros_set_privacy(void *priv, int enabled); 86 87 static const char * athr_get_ioctl_name(int op) 88 { 89 switch (op) { 90 case IEEE80211_IOCTL_SETPARAM: 91 return "SETPARAM"; 92 case IEEE80211_IOCTL_GETPARAM: 93 return "GETPARAM"; 94 case IEEE80211_IOCTL_SETKEY: 95 return "SETKEY"; 96 case IEEE80211_IOCTL_SETWMMPARAMS: 97 return "SETWMMPARAMS"; 98 case IEEE80211_IOCTL_DELKEY: 99 return "DELKEY"; 100 case IEEE80211_IOCTL_GETWMMPARAMS: 101 return "GETWMMPARAMS"; 102 case IEEE80211_IOCTL_SETMLME: 103 return "SETMLME"; 104 case IEEE80211_IOCTL_GETCHANINFO: 105 return "GETCHANINFO"; 106 case IEEE80211_IOCTL_SETOPTIE: 107 return "SETOPTIE"; 108 case IEEE80211_IOCTL_GETOPTIE: 109 return "GETOPTIE"; 110 case IEEE80211_IOCTL_ADDMAC: 111 return "ADDMAC"; 112 case IEEE80211_IOCTL_DELMAC: 113 return "DELMAC"; 114 case IEEE80211_IOCTL_GETCHANLIST: 115 return "GETCHANLIST"; 116 case IEEE80211_IOCTL_SETCHANLIST: 117 return "SETCHANLIST"; 118 case IEEE80211_IOCTL_KICKMAC: 119 return "KICKMAC"; 120 case IEEE80211_IOCTL_CHANSWITCH: 121 return "CHANSWITCH"; 122 case IEEE80211_IOCTL_GETMODE: 123 return "GETMODE"; 124 case IEEE80211_IOCTL_SETMODE: 125 return "SETMODE"; 126 case IEEE80211_IOCTL_GET_APPIEBUF: 127 return "GET_APPIEBUF"; 128 case IEEE80211_IOCTL_SET_APPIEBUF: 129 return "SET_APPIEBUF"; 130 case IEEE80211_IOCTL_SET_ACPARAMS: 131 return "SET_ACPARAMS"; 132 case IEEE80211_IOCTL_FILTERFRAME: 133 return "FILTERFRAME"; 134 case IEEE80211_IOCTL_SET_RTPARAMS: 135 return "SET_RTPARAMS"; 136 case IEEE80211_IOCTL_SET_MEDENYENTRY: 137 return "SET_MEDENYENTRY"; 138 case IEEE80211_IOCTL_GET_MACADDR: 139 return "GET_MACADDR"; 140 case IEEE80211_IOCTL_SET_HBRPARAMS: 141 return "SET_HBRPARAMS"; 142 case IEEE80211_IOCTL_SET_RXTIMEOUT: 143 return "SET_RXTIMEOUT"; 144 case IEEE80211_IOCTL_STA_STATS: 145 return "STA_STATS"; 146 case IEEE80211_IOCTL_GETWPAIE: 147 return "GETWPAIE"; 148 default: 149 return "??"; 150 } 151 } 152 153 154 static const char * athr_get_param_name(int op) 155 { 156 switch (op) { 157 case IEEE80211_IOC_MCASTCIPHER: 158 return "MCASTCIPHER"; 159 case IEEE80211_PARAM_MCASTKEYLEN: 160 return "MCASTKEYLEN"; 161 case IEEE80211_PARAM_UCASTCIPHERS: 162 return "UCASTCIPHERS"; 163 case IEEE80211_PARAM_KEYMGTALGS: 164 return "KEYMGTALGS"; 165 case IEEE80211_PARAM_RSNCAPS: 166 return "RSNCAPS"; 167 case IEEE80211_PARAM_WPA: 168 return "WPA"; 169 case IEEE80211_PARAM_AUTHMODE: 170 return "AUTHMODE"; 171 case IEEE80211_PARAM_PRIVACY: 172 return "PRIVACY"; 173 case IEEE80211_PARAM_COUNTERMEASURES: 174 return "COUNTERMEASURES"; 175 default: 176 return "??"; 177 } 178 } 179 180 181 static int 182 set80211priv(struct atheros_driver_data *drv, int op, void *data, int len) 183 { 184 struct iwreq iwr; 185 int do_inline = len < IFNAMSIZ; 186 187 /* Certain ioctls must use the non-inlined method */ 188 if (op == IEEE80211_IOCTL_SET_APPIEBUF || 189 op == IEEE80211_IOCTL_FILTERFRAME) 190 do_inline = 0; 191 192 os_memset(&iwr, 0, sizeof(iwr)); 193 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 194 if (do_inline) { 195 /* 196 * Argument data fits inline; put it there. 197 */ 198 os_memcpy(iwr.u.name, data, len); 199 } else { 200 /* 201 * Argument data too big for inline transfer; setup a 202 * parameter block instead; the kernel will transfer 203 * the data for the driver. 204 */ 205 iwr.u.data.pointer = data; 206 iwr.u.data.length = len; 207 } 208 209 if (ioctl(drv->ioctl_sock, op, &iwr) < 0) { 210 wpa_printf(MSG_DEBUG, "atheros: %s: %s: ioctl op=0x%x " 211 "(%s) len=%d failed: %d (%s)", 212 __func__, drv->iface, op, 213 athr_get_ioctl_name(op), 214 len, errno, strerror(errno)); 215 return -1; 216 } 217 return 0; 218 } 219 220 static int 221 set80211param(struct atheros_driver_data *drv, int op, int arg) 222 { 223 struct iwreq iwr; 224 225 os_memset(&iwr, 0, sizeof(iwr)); 226 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 227 iwr.u.mode = op; 228 os_memcpy(iwr.u.name + sizeof(__u32), &arg, sizeof(arg)); 229 230 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) { 231 wpa_printf(MSG_INFO, 232 "%s: %s: Failed to set parameter (op %d (%s) arg %d): ioctl[IEEE80211_IOCTL_SETPARAM]: %s", 233 __func__, drv->iface, op, athr_get_param_name(op), 234 arg, strerror(errno)); 235 return -1; 236 } 237 return 0; 238 } 239 240 #ifndef CONFIG_NO_STDOUT_DEBUG 241 static const char * 242 ether_sprintf(const u8 *addr) 243 { 244 static char buf[sizeof(MACSTR)]; 245 246 if (addr != NULL) 247 os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr)); 248 else 249 os_snprintf(buf, sizeof(buf), MACSTR, 0, 0, 0, 0, 0, 0); 250 return buf; 251 } 252 #endif /* CONFIG_NO_STDOUT_DEBUG */ 253 254 /* 255 * Configure WPA parameters. 256 */ 257 static int 258 atheros_configure_wpa(struct atheros_driver_data *drv, 259 struct wpa_bss_params *params) 260 { 261 int v; 262 263 switch (params->wpa_group) { 264 case WPA_CIPHER_CCMP: 265 v = IEEE80211_CIPHER_AES_CCM; 266 break; 267 #ifdef ATH_GCM_SUPPORT 268 case WPA_CIPHER_CCMP_256: 269 v = IEEE80211_CIPHER_AES_CCM_256; 270 break; 271 case WPA_CIPHER_GCMP: 272 v = IEEE80211_CIPHER_AES_GCM; 273 break; 274 case WPA_CIPHER_GCMP_256: 275 v = IEEE80211_CIPHER_AES_GCM_256; 276 break; 277 #endif /* ATH_GCM_SUPPORT */ 278 case WPA_CIPHER_TKIP: 279 v = IEEE80211_CIPHER_TKIP; 280 break; 281 case WPA_CIPHER_WEP104: 282 v = IEEE80211_CIPHER_WEP; 283 break; 284 case WPA_CIPHER_WEP40: 285 v = IEEE80211_CIPHER_WEP; 286 break; 287 case WPA_CIPHER_NONE: 288 v = IEEE80211_CIPHER_NONE; 289 break; 290 default: 291 wpa_printf(MSG_ERROR, "Unknown group key cipher %u", 292 params->wpa_group); 293 return -1; 294 } 295 wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v); 296 if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) { 297 wpa_printf(MSG_INFO, "Unable to set group key cipher to %u", v); 298 return -1; 299 } 300 if (v == IEEE80211_CIPHER_WEP) { 301 /* key length is done only for specific ciphers */ 302 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5); 303 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) { 304 wpa_printf(MSG_INFO, 305 "Unable to set group key length to %u", v); 306 return -1; 307 } 308 } 309 310 v = 0; 311 if (params->wpa_pairwise & WPA_CIPHER_CCMP) 312 v |= 1<<IEEE80211_CIPHER_AES_CCM; 313 #ifdef ATH_GCM_SUPPORT 314 if (params->wpa_pairwise & WPA_CIPHER_CCMP_256) 315 v |= 1<<IEEE80211_CIPHER_AES_CCM_256; 316 if (params->wpa_pairwise & WPA_CIPHER_GCMP) 317 v |= 1<<IEEE80211_CIPHER_AES_GCM; 318 if (params->wpa_pairwise & WPA_CIPHER_GCMP_256) 319 v |= 1<<IEEE80211_CIPHER_AES_GCM_256; 320 #endif /* ATH_GCM_SUPPORT */ 321 if (params->wpa_pairwise & WPA_CIPHER_TKIP) 322 v |= 1<<IEEE80211_CIPHER_TKIP; 323 if (params->wpa_pairwise & WPA_CIPHER_NONE) 324 v |= 1<<IEEE80211_CIPHER_NONE; 325 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v); 326 if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) { 327 wpa_printf(MSG_INFO, 328 "Unable to set pairwise key ciphers to 0x%x", v); 329 return -1; 330 } 331 332 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x", 333 __func__, params->wpa_key_mgmt); 334 if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS, 335 params->wpa_key_mgmt)) { 336 wpa_printf(MSG_INFO, 337 "Unable to set key management algorithms to 0x%x", 338 params->wpa_key_mgmt); 339 return -1; 340 } 341 342 v = 0; 343 if (params->rsn_preauth) 344 v |= BIT(0); 345 #ifdef CONFIG_IEEE80211W 346 if (params->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 347 v |= BIT(7); 348 if (params->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) 349 v |= BIT(6); 350 } 351 #endif /* CONFIG_IEEE80211W */ 352 353 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", __func__, v); 354 if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) { 355 wpa_printf(MSG_INFO, "Unable to set RSN capabilities to 0x%x", 356 v); 357 return -1; 358 } 359 360 wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa); 361 if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) { 362 wpa_printf(MSG_INFO, "Unable to set WPA to %u", params->wpa); 363 return -1; 364 } 365 return 0; 366 } 367 368 static int 369 atheros_set_ieee8021x(void *priv, struct wpa_bss_params *params) 370 { 371 struct atheros_driver_data *drv = priv; 372 373 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled); 374 375 if (!params->enabled) { 376 /* XXX restore state */ 377 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE, 378 IEEE80211_AUTH_AUTO) < 0) 379 return -1; 380 /* IEEE80211_AUTH_AUTO ends up enabling Privacy; clear that */ 381 return atheros_set_privacy(drv, 0); 382 } 383 if (!params->wpa && !params->ieee802_1x) { 384 wpa_printf(MSG_WARNING, "No 802.1X or WPA enabled!"); 385 return -1; 386 } 387 if (params->wpa && atheros_configure_wpa(drv, params) != 0) { 388 wpa_printf(MSG_WARNING, "Error configuring WPA state!"); 389 return -1; 390 } 391 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE, 392 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) { 393 wpa_printf(MSG_WARNING, "Error enabling WPA/802.1X!"); 394 return -1; 395 } 396 397 return 0; 398 } 399 400 static int 401 atheros_set_privacy(void *priv, int enabled) 402 { 403 struct atheros_driver_data *drv = priv; 404 405 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); 406 407 return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled); 408 } 409 410 static int 411 atheros_set_sta_authorized(void *priv, const u8 *addr, int authorized) 412 { 413 struct atheros_driver_data *drv = priv; 414 struct ieee80211req_mlme mlme; 415 int ret; 416 417 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d", 418 __func__, ether_sprintf(addr), authorized); 419 420 if (authorized) 421 mlme.im_op = IEEE80211_MLME_AUTHORIZE; 422 else 423 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE; 424 mlme.im_reason = 0; 425 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 426 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 427 if (ret < 0) { 428 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR, 429 __func__, authorized ? "" : "un", MAC2STR(addr)); 430 } 431 432 return ret; 433 } 434 435 static int 436 atheros_sta_set_flags(void *priv, const u8 *addr, 437 unsigned int total_flags, unsigned int flags_or, 438 unsigned int flags_and) 439 { 440 /* For now, only support setting Authorized flag */ 441 if (flags_or & WPA_STA_AUTHORIZED) 442 return atheros_set_sta_authorized(priv, addr, 1); 443 if (!(flags_and & WPA_STA_AUTHORIZED)) 444 return atheros_set_sta_authorized(priv, addr, 0); 445 return 0; 446 } 447 448 static int 449 atheros_del_key(void *priv, const u8 *addr, int key_idx) 450 { 451 struct atheros_driver_data *drv = priv; 452 struct ieee80211req_del_key wk; 453 int ret; 454 455 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d", 456 __func__, ether_sprintf(addr), key_idx); 457 458 os_memset(&wk, 0, sizeof(wk)); 459 if (addr != NULL) { 460 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN); 461 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE; 462 } else { 463 wk.idk_keyix = key_idx; 464 } 465 466 ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk)); 467 if (ret < 0) { 468 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s" 469 " key_idx %d)", __func__, ether_sprintf(addr), 470 key_idx); 471 } 472 473 return ret; 474 } 475 476 static int 477 atheros_set_key(const char *ifname, void *priv, enum wpa_alg alg, 478 const u8 *addr, int key_idx, int set_tx, const u8 *seq, 479 size_t seq_len, const u8 *key, size_t key_len) 480 { 481 struct atheros_driver_data *drv = priv; 482 struct ieee80211req_key wk; 483 u_int8_t cipher; 484 int ret; 485 486 if (alg == WPA_ALG_NONE) 487 return atheros_del_key(drv, addr, key_idx); 488 489 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d", 490 __func__, alg, ether_sprintf(addr), key_idx); 491 492 switch (alg) { 493 case WPA_ALG_WEP: 494 cipher = IEEE80211_CIPHER_WEP; 495 break; 496 case WPA_ALG_TKIP: 497 cipher = IEEE80211_CIPHER_TKIP; 498 break; 499 case WPA_ALG_CCMP: 500 cipher = IEEE80211_CIPHER_AES_CCM; 501 break; 502 #ifdef ATH_GCM_SUPPORT 503 case WPA_ALG_CCMP_256: 504 cipher = IEEE80211_CIPHER_AES_CCM_256; 505 break; 506 case WPA_ALG_GCMP: 507 cipher = IEEE80211_CIPHER_AES_GCM; 508 break; 509 case WPA_ALG_GCMP_256: 510 cipher = IEEE80211_CIPHER_AES_GCM_256; 511 break; 512 #endif /* ATH_GCM_SUPPORT */ 513 #ifdef CONFIG_IEEE80211W 514 case WPA_ALG_IGTK: 515 cipher = IEEE80211_CIPHER_AES_CMAC; 516 break; 517 #ifdef ATH_GCM_SUPPORT 518 case WPA_ALG_BIP_CMAC_256: 519 cipher = IEEE80211_CIPHER_AES_CMAC_256; 520 break; 521 case WPA_ALG_BIP_GMAC_128: 522 cipher = IEEE80211_CIPHER_AES_GMAC; 523 break; 524 case WPA_ALG_BIP_GMAC_256: 525 cipher = IEEE80211_CIPHER_AES_GMAC_256; 526 break; 527 #endif /* ATH_GCM_SUPPORT */ 528 #endif /* CONFIG_IEEE80211W */ 529 default: 530 wpa_printf(MSG_INFO, "%s: unknown/unsupported algorithm %d", 531 __func__, alg); 532 return -1; 533 } 534 535 if (key_len > sizeof(wk.ik_keydata)) { 536 wpa_printf(MSG_INFO, "%s: key length %lu too big", __func__, 537 (unsigned long) key_len); 538 return -3; 539 } 540 541 os_memset(&wk, 0, sizeof(wk)); 542 wk.ik_type = cipher; 543 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT; 544 if (addr == NULL || is_broadcast_ether_addr(addr)) { 545 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); 546 wk.ik_keyix = key_idx; 547 if (set_tx) 548 wk.ik_flags |= IEEE80211_KEY_DEFAULT; 549 } else { 550 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); 551 wk.ik_keyix = IEEE80211_KEYIX_NONE; 552 } 553 wk.ik_keylen = key_len; 554 os_memcpy(wk.ik_keydata, key, key_len); 555 556 ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk)); 557 if (ret < 0) { 558 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s" 559 " key_idx %d alg %d key_len %lu set_tx %d)", 560 __func__, ether_sprintf(wk.ik_macaddr), key_idx, 561 alg, (unsigned long) key_len, set_tx); 562 } 563 564 return ret; 565 } 566 567 568 static int 569 atheros_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx, 570 u8 *seq) 571 { 572 struct atheros_driver_data *drv = priv; 573 struct ieee80211req_key wk; 574 575 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d", 576 __func__, ether_sprintf(addr), idx); 577 578 os_memset(&wk, 0, sizeof(wk)); 579 if (addr == NULL) 580 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); 581 else 582 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); 583 wk.ik_keyix = idx; 584 585 if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) { 586 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data " 587 "(addr " MACSTR " key_idx %d)", 588 __func__, MAC2STR(wk.ik_macaddr), idx); 589 return -1; 590 } 591 592 #ifdef WORDS_BIGENDIAN 593 { 594 /* 595 * wk.ik_keytsc is in host byte order (big endian), need to 596 * swap it to match with the byte order used in WPA. 597 */ 598 int i; 599 #ifndef WPA_KEY_RSC_LEN 600 #define WPA_KEY_RSC_LEN 8 601 #endif 602 u8 tmp[WPA_KEY_RSC_LEN]; 603 os_memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); 604 for (i = 0; i < WPA_KEY_RSC_LEN; i++) { 605 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1]; 606 } 607 } 608 #else /* WORDS_BIGENDIAN */ 609 os_memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); 610 #endif /* WORDS_BIGENDIAN */ 611 return 0; 612 } 613 614 615 static int 616 atheros_flush(void *priv) 617 { 618 u8 allsta[IEEE80211_ADDR_LEN]; 619 os_memset(allsta, 0xff, IEEE80211_ADDR_LEN); 620 return atheros_sta_deauth(priv, NULL, allsta, 621 IEEE80211_REASON_AUTH_LEAVE); 622 } 623 624 625 static int 626 atheros_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data, 627 const u8 *addr) 628 { 629 struct atheros_driver_data *drv = priv; 630 struct ieee80211req_sta_stats stats; 631 632 os_memset(data, 0, sizeof(*data)); 633 634 /* 635 * Fetch statistics for station from the system. 636 */ 637 os_memset(&stats, 0, sizeof(stats)); 638 os_memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN); 639 if (set80211priv(drv, IEEE80211_IOCTL_STA_STATS, 640 &stats, sizeof(stats))) { 641 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr " 642 MACSTR ")", __func__, MAC2STR(addr)); 643 if (os_memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) { 644 os_memcpy(data, &drv->acct_data, sizeof(*data)); 645 return 0; 646 } 647 648 wpa_printf(MSG_INFO, 649 "Failed to get station stats information element"); 650 return -1; 651 } 652 653 data->rx_packets = stats.is_stats.ns_rx_data; 654 data->rx_bytes = stats.is_stats.ns_rx_bytes; 655 data->tx_packets = stats.is_stats.ns_tx_data; 656 data->tx_bytes = stats.is_stats.ns_tx_bytes; 657 return 0; 658 } 659 660 661 static int 662 atheros_sta_clear_stats(void *priv, const u8 *addr) 663 { 664 struct atheros_driver_data *drv = priv; 665 struct ieee80211req_mlme mlme; 666 int ret; 667 668 wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr)); 669 670 mlme.im_op = IEEE80211_MLME_CLEAR_STATS; 671 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 672 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, 673 sizeof(mlme)); 674 if (ret < 0) { 675 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr " 676 MACSTR ")", __func__, MAC2STR(addr)); 677 } 678 679 return ret; 680 } 681 682 683 static int 684 atheros_set_opt_ie(void *priv, const u8 *ie, size_t ie_len) 685 { 686 struct atheros_driver_data *drv = priv; 687 u8 buf[512]; 688 struct ieee80211req_getset_appiebuf *app_ie; 689 690 wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__, 691 (unsigned long) ie_len); 692 wpa_hexdump(MSG_DEBUG, "atheros: set_generic_elem", ie, ie_len); 693 694 wpabuf_free(drv->wpa_ie); 695 drv->wpa_ie = wpabuf_alloc_copy(ie, ie_len); 696 697 app_ie = (struct ieee80211req_getset_appiebuf *) buf; 698 os_memcpy(&(app_ie->app_buf[0]), ie, ie_len); 699 app_ie->app_buflen = ie_len; 700 701 app_ie->app_frmtype = IEEE80211_APPIE_FRAME_BEACON; 702 703 /* append WPS IE for Beacon */ 704 if (drv->wps_beacon_ie != NULL) { 705 os_memcpy(&(app_ie->app_buf[ie_len]), 706 wpabuf_head(drv->wps_beacon_ie), 707 wpabuf_len(drv->wps_beacon_ie)); 708 app_ie->app_buflen = ie_len + wpabuf_len(drv->wps_beacon_ie); 709 } 710 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(Beacon)", 711 app_ie->app_buf, app_ie->app_buflen); 712 set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie, 713 sizeof(struct ieee80211req_getset_appiebuf) + 714 app_ie->app_buflen); 715 716 /* append WPS IE for Probe Response */ 717 app_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_RESP; 718 if (drv->wps_probe_resp_ie != NULL) { 719 os_memcpy(&(app_ie->app_buf[ie_len]), 720 wpabuf_head(drv->wps_probe_resp_ie), 721 wpabuf_len(drv->wps_probe_resp_ie)); 722 app_ie->app_buflen = ie_len + 723 wpabuf_len(drv->wps_probe_resp_ie); 724 } else 725 app_ie->app_buflen = ie_len; 726 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(ProbeResp)", 727 app_ie->app_buf, app_ie->app_buflen); 728 set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie, 729 sizeof(struct ieee80211req_getset_appiebuf) + 730 app_ie->app_buflen); 731 return 0; 732 } 733 734 static int 735 atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, 736 int reason_code) 737 { 738 struct atheros_driver_data *drv = priv; 739 struct ieee80211req_mlme mlme; 740 int ret; 741 742 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d", 743 __func__, ether_sprintf(addr), reason_code); 744 745 mlme.im_op = IEEE80211_MLME_DEAUTH; 746 mlme.im_reason = reason_code; 747 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 748 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 749 if (ret < 0) { 750 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR 751 " reason %d)", 752 __func__, MAC2STR(addr), reason_code); 753 } 754 755 return ret; 756 } 757 758 static int 759 atheros_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, 760 int reason_code) 761 { 762 struct atheros_driver_data *drv = priv; 763 struct ieee80211req_mlme mlme; 764 int ret; 765 766 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d", 767 __func__, ether_sprintf(addr), reason_code); 768 769 mlme.im_op = IEEE80211_MLME_DISASSOC; 770 mlme.im_reason = reason_code; 771 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 772 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 773 if (ret < 0) { 774 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr " 775 MACSTR " reason %d)", 776 __func__, MAC2STR(addr), reason_code); 777 } 778 779 return ret; 780 } 781 782 static int atheros_set_qos_map(void *ctx, const u8 *qos_map_set, 783 u8 qos_map_set_len) 784 { 785 #ifdef CONFIG_ATHEROS_QOS_MAP 786 struct atheros_driver_data *drv = ctx; 787 struct ieee80211req_athdbg req; 788 struct ieee80211_qos_map *qos_map = &req.data.qos_map; 789 struct iwreq iwr; 790 int i, up_start; 791 792 if (qos_map_set_len < 16 || qos_map_set_len > 58 || 793 qos_map_set_len & 1) { 794 wpa_printf(MSG_ERROR, "Invalid QoS Map"); 795 return -1; 796 } else { 797 os_memset(&req, 0, sizeof(struct ieee80211req_athdbg)); 798 req.cmd = IEEE80211_DBGREQ_SETQOSMAPCONF; 799 os_memset(&iwr, 0, sizeof(iwr)); 800 os_strlcpy(iwr.ifr_name, drv->iface, sizeof(iwr.ifr_name)); 801 iwr.u.data.pointer = (void *) &req; 802 iwr.u.data.length = sizeof(struct ieee80211req_athdbg); 803 } 804 805 qos_map->valid = 1; 806 qos_map->num_dscp_except = (qos_map_set_len - 16) / 2; 807 if (qos_map->num_dscp_except) { 808 for (i = 0; i < qos_map->num_dscp_except; i++) { 809 qos_map->dscp_exception[i].dscp = qos_map_set[i * 2]; 810 qos_map->dscp_exception[i].up = qos_map_set[i * 2 + 1]; 811 } 812 } 813 814 up_start = qos_map_set_len - 16; 815 for (i = 0; i < IEEE80211_MAX_QOS_UP_RANGE; i++) { 816 qos_map->up[i].low = qos_map_set[up_start + (i * 2)]; 817 qos_map->up[i].high = qos_map_set[up_start + (i * 2) + 1]; 818 } 819 820 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_DBGREQ, &iwr) < 0) { 821 wpa_printf(MSG_ERROR, 822 "%s: %s: Failed to set QoS Map: ioctl[IEEE80211_IOCTL_DBGREQ]: %s", 823 __func__, drv->iface, strerror(errno)); 824 return -1; 825 } 826 #endif /* CONFIG_ATHEROS_QOS_MAP */ 827 828 return 0; 829 } 830 831 #ifdef ATHEROS_USE_RAW_RECEIVE 832 static void atheros_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf, 833 size_t len) 834 { 835 struct atheros_driver_data *drv = ctx; 836 const struct ieee80211_mgmt *mgmt; 837 union wpa_event_data event; 838 u16 fc, stype; 839 int ielen; 840 const u8 *iebuf; 841 842 if (len < IEEE80211_HDRLEN) 843 return; 844 845 mgmt = (const struct ieee80211_mgmt *) buf; 846 847 fc = le_to_host16(mgmt->frame_control); 848 849 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT) 850 return; 851 852 stype = WLAN_FC_GET_STYPE(fc); 853 854 wpa_printf(MSG_DEBUG, "%s: subtype 0x%x len %d", __func__, stype, 855 (int) len); 856 857 if (stype == WLAN_FC_STYPE_PROBE_REQ) { 858 if (len < IEEE80211_HDRLEN) 859 return; 860 861 os_memset(&event, 0, sizeof(event)); 862 event.rx_probe_req.sa = mgmt->sa; 863 event.rx_probe_req.da = mgmt->da; 864 event.rx_probe_req.bssid = mgmt->bssid; 865 event.rx_probe_req.ie = buf + IEEE80211_HDRLEN; 866 event.rx_probe_req.ie_len = len - IEEE80211_HDRLEN; 867 wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event); 868 return; 869 } 870 871 if (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) != 0) { 872 wpa_printf(MSG_DEBUG, "%s: BSSID does not match - ignore", 873 __func__); 874 return; 875 } 876 877 switch (stype) { 878 case WLAN_FC_STYPE_ASSOC_REQ: 879 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req)) 880 break; 881 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req)); 882 iebuf = mgmt->u.assoc_req.variable; 883 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 0); 884 break; 885 case WLAN_FC_STYPE_REASSOC_REQ: 886 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req)) 887 break; 888 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req)); 889 iebuf = mgmt->u.reassoc_req.variable; 890 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 1); 891 break; 892 case WLAN_FC_STYPE_ACTION: 893 os_memset(&event, 0, sizeof(event)); 894 event.rx_mgmt.frame = buf; 895 event.rx_mgmt.frame_len = len; 896 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event); 897 break; 898 case WLAN_FC_STYPE_AUTH: 899 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) 900 break; 901 os_memset(&event, 0, sizeof(event)); 902 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN); 903 os_memcpy(event.auth.bssid, mgmt->bssid, ETH_ALEN); 904 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg); 905 event.auth.status_code = 906 le_to_host16(mgmt->u.auth.status_code); 907 event.auth.auth_transaction = 908 le_to_host16(mgmt->u.auth.auth_transaction); 909 event.auth.ies = mgmt->u.auth.variable; 910 event.auth.ies_len = len - IEEE80211_HDRLEN - 911 sizeof(mgmt->u.auth); 912 wpa_supplicant_event(drv->hapd, EVENT_AUTH, &event); 913 break; 914 default: 915 break; 916 } 917 } 918 #endif /* ATHEROS_USE_RAW_RECEIVE */ 919 920 static int atheros_receive_pkt(struct atheros_driver_data *drv) 921 { 922 int ret = 0; 923 struct ieee80211req_set_filter filt; 924 925 wpa_printf(MSG_DEBUG, "%s Enter", __func__); 926 filt.app_filterype = 0; 927 #ifdef CONFIG_WPS 928 filt.app_filterype |= IEEE80211_FILTER_TYPE_PROBE_REQ; 929 #endif /* CONFIG_WPS */ 930 #if defined(CONFIG_IEEE80211W) || defined(CONFIG_IEEE80211R) 931 filt.app_filterype |= (IEEE80211_FILTER_TYPE_ASSOC_REQ | 932 IEEE80211_FILTER_TYPE_AUTH | 933 IEEE80211_FILTER_TYPE_ACTION); 934 #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */ 935 #ifdef CONFIG_WNM 936 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION; 937 #endif /* CONFIG_WNM */ 938 #ifdef CONFIG_HS20 939 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION; 940 #endif /* CONFIG_HS20 */ 941 if (filt.app_filterype) { 942 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt, 943 sizeof(struct ieee80211req_set_filter)); 944 if (ret) 945 return ret; 946 } 947 948 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) 949 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW, 950 atheros_raw_receive, drv, 1); 951 if (drv->sock_raw == NULL) 952 return -1; 953 #endif /* CONFIG_WPS || CONFIG_IEEE80211R */ 954 return ret; 955 } 956 957 static int atheros_reset_appfilter(struct atheros_driver_data *drv) 958 { 959 struct ieee80211req_set_filter filt; 960 filt.app_filterype = 0; 961 return set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt, 962 sizeof(struct ieee80211req_set_filter)); 963 } 964 965 #ifdef CONFIG_WPS 966 static int 967 atheros_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype) 968 { 969 struct atheros_driver_data *drv = priv; 970 u8 buf[512]; 971 struct ieee80211req_getset_appiebuf *beac_ie; 972 973 wpa_printf(MSG_DEBUG, "%s buflen = %lu frametype=%u", __func__, 974 (unsigned long) len, frametype); 975 wpa_hexdump(MSG_DEBUG, "atheros: IE", ie, len); 976 977 beac_ie = (struct ieee80211req_getset_appiebuf *) buf; 978 beac_ie->app_frmtype = frametype; 979 beac_ie->app_buflen = len; 980 os_memcpy(&(beac_ie->app_buf[0]), ie, len); 981 982 /* append the WPA/RSN IE if it is set already */ 983 if (((frametype == IEEE80211_APPIE_FRAME_BEACON) || 984 (frametype == IEEE80211_APPIE_FRAME_PROBE_RESP)) && 985 (drv->wpa_ie != NULL)) { 986 wpa_hexdump_buf(MSG_DEBUG, "atheros: Append WPA/RSN IE", 987 drv->wpa_ie); 988 os_memcpy(&(beac_ie->app_buf[len]), wpabuf_head(drv->wpa_ie), 989 wpabuf_len(drv->wpa_ie)); 990 beac_ie->app_buflen += wpabuf_len(drv->wpa_ie); 991 } 992 993 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF", 994 beac_ie->app_buf, beac_ie->app_buflen); 995 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie, 996 sizeof(struct ieee80211req_getset_appiebuf) + 997 beac_ie->app_buflen); 998 } 999 1000 static int 1001 atheros_set_ap_wps_ie(void *priv, const struct wpabuf *beacon, 1002 const struct wpabuf *proberesp, 1003 const struct wpabuf *assocresp) 1004 { 1005 struct atheros_driver_data *drv = priv; 1006 1007 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - beacon", beacon); 1008 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - proberesp", 1009 proberesp); 1010 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - assocresp", 1011 assocresp); 1012 wpabuf_free(drv->wps_beacon_ie); 1013 drv->wps_beacon_ie = beacon ? wpabuf_dup(beacon) : NULL; 1014 wpabuf_free(drv->wps_probe_resp_ie); 1015 drv->wps_probe_resp_ie = proberesp ? wpabuf_dup(proberesp) : NULL; 1016 1017 atheros_set_wps_ie(priv, assocresp ? wpabuf_head(assocresp) : NULL, 1018 assocresp ? wpabuf_len(assocresp) : 0, 1019 IEEE80211_APPIE_FRAME_ASSOC_RESP); 1020 if (atheros_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL, 1021 beacon ? wpabuf_len(beacon) : 0, 1022 IEEE80211_APPIE_FRAME_BEACON)) 1023 return -1; 1024 return atheros_set_wps_ie(priv, 1025 proberesp ? wpabuf_head(proberesp) : NULL, 1026 proberesp ? wpabuf_len(proberesp): 0, 1027 IEEE80211_APPIE_FRAME_PROBE_RESP); 1028 } 1029 #else /* CONFIG_WPS */ 1030 #define atheros_set_ap_wps_ie NULL 1031 #endif /* CONFIG_WPS */ 1032 1033 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) 1034 static int 1035 atheros_sta_auth(void *priv, const u8 *own_addr, const u8 *addr, u16 seq, 1036 u16 status_code, const u8 *ie, size_t len) 1037 { 1038 struct atheros_driver_data *drv = priv; 1039 struct ieee80211req_mlme mlme; 1040 int ret; 1041 1042 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d", 1043 __func__, ether_sprintf(addr), status_code); 1044 1045 mlme.im_op = IEEE80211_MLME_AUTH; 1046 mlme.im_reason = status_code; 1047 mlme.im_seq = seq; 1048 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 1049 mlme.im_optie_len = len; 1050 if (len) { 1051 if (len < IEEE80211_MAX_OPT_IE) { 1052 os_memcpy(mlme.im_optie, ie, len); 1053 } else { 1054 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy " 1055 "opt_ie STA (addr " MACSTR " reason %d, " 1056 "ie_len %d)", 1057 __func__, MAC2STR(addr), status_code, 1058 (int) len); 1059 return -1; 1060 } 1061 } 1062 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 1063 if (ret < 0) { 1064 wpa_printf(MSG_DEBUG, "%s: Failed to auth STA (addr " MACSTR 1065 " reason %d)", 1066 __func__, MAC2STR(addr), status_code); 1067 } 1068 return ret; 1069 } 1070 1071 static int 1072 atheros_sta_assoc(void *priv, const u8 *own_addr, const u8 *addr, 1073 int reassoc, u16 status_code, const u8 *ie, size_t len) 1074 { 1075 struct atheros_driver_data *drv = priv; 1076 struct ieee80211req_mlme mlme; 1077 int ret; 1078 1079 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d reassoc %d", 1080 __func__, ether_sprintf(addr), status_code, reassoc); 1081 1082 if (reassoc) 1083 mlme.im_op = IEEE80211_MLME_REASSOC; 1084 else 1085 mlme.im_op = IEEE80211_MLME_ASSOC; 1086 mlme.im_reason = status_code; 1087 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 1088 mlme.im_optie_len = len; 1089 if (len) { 1090 if (len < IEEE80211_MAX_OPT_IE) { 1091 os_memcpy(mlme.im_optie, ie, len); 1092 } else { 1093 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy " 1094 "opt_ie STA (addr " MACSTR " reason %d, " 1095 "ie_len %d)", 1096 __func__, MAC2STR(addr), status_code, 1097 (int) len); 1098 return -1; 1099 } 1100 } 1101 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 1102 if (ret < 0) { 1103 wpa_printf(MSG_DEBUG, "%s: Failed to assoc STA (addr " MACSTR 1104 " reason %d)", 1105 __func__, MAC2STR(addr), status_code); 1106 } 1107 return ret; 1108 } 1109 #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */ 1110 1111 static void 1112 atheros_new_sta(struct atheros_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN]) 1113 { 1114 struct hostapd_data *hapd = drv->hapd; 1115 struct ieee80211req_wpaie ie; 1116 int ielen = 0; 1117 u8 *iebuf = NULL; 1118 1119 /* 1120 * Fetch negotiated WPA/RSN parameters from the system. 1121 */ 1122 os_memset(&ie, 0, sizeof(ie)); 1123 os_memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN); 1124 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) { 1125 /* 1126 * See ATH_WPS_IE comment in the beginning of the file for a 1127 * possible cause for the failure.. 1128 */ 1129 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s", 1130 __func__, strerror(errno)); 1131 goto no_ie; 1132 } 1133 wpa_hexdump(MSG_MSGDUMP, "atheros req WPA IE", 1134 ie.wpa_ie, IEEE80211_MAX_OPT_IE); 1135 wpa_hexdump(MSG_MSGDUMP, "atheros req RSN IE", 1136 ie.rsn_ie, IEEE80211_MAX_OPT_IE); 1137 #ifdef ATH_WPS_IE 1138 wpa_hexdump(MSG_MSGDUMP, "atheros req WPS IE", 1139 ie.wps_ie, IEEE80211_MAX_OPT_IE); 1140 #endif /* ATH_WPS_IE */ 1141 iebuf = ie.wpa_ie; 1142 /* atheros seems to return some random data if WPA/RSN IE is not set. 1143 * Assume the IE was not included if the IE type is unknown. */ 1144 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC) 1145 iebuf[1] = 0; 1146 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) { 1147 /* atheros-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not 1148 * set. This is needed for WPA2. */ 1149 iebuf = ie.rsn_ie; 1150 if (iebuf[0] != WLAN_EID_RSN) 1151 iebuf[1] = 0; 1152 } 1153 1154 ielen = iebuf[1]; 1155 1156 #ifdef ATH_WPS_IE 1157 /* if WPS IE is present, preference is given to WPS */ 1158 if (ie.wps_ie && 1159 (ie.wps_ie[1] > 0 && (ie.wps_ie[0] == WLAN_EID_VENDOR_SPECIFIC))) { 1160 iebuf = ie.wps_ie; 1161 ielen = ie.wps_ie[1]; 1162 } 1163 #endif /* ATH_WPS_IE */ 1164 1165 if (ielen == 0) 1166 iebuf = NULL; 1167 else 1168 ielen += 2; 1169 1170 no_ie: 1171 drv_event_assoc(hapd, addr, iebuf, ielen, 0); 1172 1173 if (os_memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) { 1174 /* Cached accounting data is not valid anymore. */ 1175 os_memset(drv->acct_mac, 0, ETH_ALEN); 1176 os_memset(&drv->acct_data, 0, sizeof(drv->acct_data)); 1177 } 1178 } 1179 1180 static void 1181 atheros_wireless_event_wireless_custom(struct atheros_driver_data *drv, 1182 char *custom, char *end) 1183 { 1184 #define MGMT_FRAM_TAG_SIZE 30 /* hardcoded in driver */ 1185 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom); 1186 1187 if (os_strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) { 1188 char *pos; 1189 u8 addr[ETH_ALEN]; 1190 pos = os_strstr(custom, "addr="); 1191 if (pos == NULL) { 1192 wpa_printf(MSG_DEBUG, 1193 "MLME-MICHAELMICFAILURE.indication " 1194 "without sender address ignored"); 1195 return; 1196 } 1197 pos += 5; 1198 if (hwaddr_aton(pos, addr) == 0) { 1199 union wpa_event_data data; 1200 os_memset(&data, 0, sizeof(data)); 1201 data.michael_mic_failure.unicast = 1; 1202 data.michael_mic_failure.src = addr; 1203 wpa_supplicant_event(drv->hapd, 1204 EVENT_MICHAEL_MIC_FAILURE, &data); 1205 } else { 1206 wpa_printf(MSG_DEBUG, 1207 "MLME-MICHAELMICFAILURE.indication " 1208 "with invalid MAC address"); 1209 } 1210 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) { 1211 char *key, *value; 1212 u32 val; 1213 key = custom; 1214 while ((key = os_strchr(key, '\n')) != NULL) { 1215 key++; 1216 value = os_strchr(key, '='); 1217 if (value == NULL) 1218 continue; 1219 *value++ = '\0'; 1220 val = strtoul(value, NULL, 10); 1221 if (os_strcmp(key, "mac") == 0) 1222 hwaddr_aton(value, drv->acct_mac); 1223 else if (os_strcmp(key, "rx_packets") == 0) 1224 drv->acct_data.rx_packets = val; 1225 else if (os_strcmp(key, "tx_packets") == 0) 1226 drv->acct_data.tx_packets = val; 1227 else if (os_strcmp(key, "rx_bytes") == 0) 1228 drv->acct_data.rx_bytes = val; 1229 else if (os_strcmp(key, "tx_bytes") == 0) 1230 drv->acct_data.tx_bytes = val; 1231 key = value; 1232 } 1233 #ifdef CONFIG_WPS 1234 } else if (os_strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) { 1235 /* Some atheros kernels send push button as a wireless event */ 1236 /* PROBLEM! this event is received for ALL BSSs ... 1237 * so all are enabled for WPS... ugh. 1238 */ 1239 wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL); 1240 } else if (os_strncmp(custom, "Manage.prob_req ", 16) == 0) { 1241 /* 1242 * Atheros driver uses a hack to pass Probe Request frames as a 1243 * binary data in the custom wireless event. The old way (using 1244 * packet sniffing) didn't work when bridging. 1245 * Format: "Manage.prob_req <frame len>" | zero padding | frame 1246 */ 1247 int len = atoi(custom + 16); 1248 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) { 1249 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event " 1250 "length %d", len); 1251 return; 1252 } 1253 atheros_raw_receive(drv, NULL, 1254 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1255 #endif /* CONFIG_WPS */ 1256 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) 1257 } else if (os_strncmp(custom, "Manage.assoc_req ", 17) == 0) { 1258 /* Format: "Manage.assoc_req <frame len>" | zero padding | 1259 * frame */ 1260 int len = atoi(custom + 17); 1261 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) { 1262 wpa_printf(MSG_DEBUG, 1263 "Invalid Manage.assoc_req event length %d", 1264 len); 1265 return; 1266 } 1267 atheros_raw_receive(drv, NULL, 1268 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1269 } else if (os_strncmp(custom, "Manage.auth ", 12) == 0) { 1270 /* Format: "Manage.auth <frame len>" | zero padding | frame */ 1271 int len = atoi(custom + 12); 1272 if (len < 0 || 1273 MGMT_FRAM_TAG_SIZE + len > end - custom) { 1274 wpa_printf(MSG_DEBUG, 1275 "Invalid Manage.auth event length %d", len); 1276 return; 1277 } 1278 atheros_raw_receive(drv, NULL, 1279 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1280 #endif /* CONFIG_IEEE80211W || CONFIG_IEEE80211R */ 1281 #ifdef ATHEROS_USE_RAW_RECEIVE 1282 } else if (os_strncmp(custom, "Manage.action ", 14) == 0) { 1283 /* Format: "Manage.assoc_req <frame len>" | zero padding | frame 1284 */ 1285 int len = atoi(custom + 14); 1286 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) { 1287 wpa_printf(MSG_DEBUG, 1288 "Invalid Manage.action event length %d", 1289 len); 1290 return; 1291 } 1292 atheros_raw_receive(drv, NULL, 1293 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1294 #endif /* ATHEROS_USE_RAW_RECEIVE */ 1295 } 1296 } 1297 1298 /* 1299 * Handle size of data problem. WEXT only allows data of 256 bytes for custom 1300 * events, and p2p data can be much bigger. So the athr driver sends a small 1301 * event telling me to collect the big data with an ioctl. 1302 * On the first event, send all pending events to supplicant. 1303 */ 1304 static void fetch_pending_big_events(struct atheros_driver_data *drv) 1305 { 1306 union wpa_event_data event; 1307 const struct ieee80211_mgmt *mgmt; 1308 u8 tbuf[IW_PRIV_SIZE_MASK]; /* max size is 2047 bytes */ 1309 u16 fc, stype; 1310 struct iwreq iwr; 1311 size_t data_len; 1312 u32 freq, frame_type; 1313 1314 while (1) { 1315 os_memset(&iwr, 0, sizeof(iwr)); 1316 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1317 1318 iwr.u.data.pointer = (void *) tbuf; 1319 iwr.u.data.length = sizeof(tbuf); 1320 iwr.u.data.flags = IEEE80211_IOC_P2P_FETCH_FRAME; 1321 1322 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) 1323 < 0) { 1324 if (errno == ENOSPC) { 1325 wpa_printf(MSG_DEBUG, "%s:%d exit", 1326 __func__, __LINE__); 1327 return; 1328 } 1329 wpa_printf(MSG_DEBUG, "athr: %s: P2P_BIG_PARAM[" 1330 "P2P_FETCH_FRAME] failed: %s", 1331 __func__, strerror(errno)); 1332 return; 1333 } 1334 data_len = iwr.u.data.length; 1335 wpa_hexdump(MSG_DEBUG, "athr: P2P_FETCH_FRAME data", 1336 (u8 *) tbuf, data_len); 1337 if (data_len < sizeof(freq) + sizeof(frame_type) + 24) { 1338 wpa_printf(MSG_DEBUG, "athr: frame too short"); 1339 continue; 1340 } 1341 os_memcpy(&freq, tbuf, sizeof(freq)); 1342 os_memcpy(&frame_type, &tbuf[sizeof(freq)], 1343 sizeof(frame_type)); 1344 mgmt = (void *) &tbuf[sizeof(freq) + sizeof(frame_type)]; 1345 data_len -= sizeof(freq) + sizeof(frame_type); 1346 1347 if (frame_type == IEEE80211_EV_RX_MGMT) { 1348 fc = le_to_host16(mgmt->frame_control); 1349 stype = WLAN_FC_GET_STYPE(fc); 1350 1351 wpa_printf(MSG_DEBUG, "athr: EV_RX_MGMT stype=%u " 1352 "freq=%u len=%u", stype, freq, (int) data_len); 1353 1354 if (stype == WLAN_FC_STYPE_ACTION) { 1355 os_memset(&event, 0, sizeof(event)); 1356 event.rx_mgmt.frame = (const u8 *) mgmt; 1357 event.rx_mgmt.frame_len = data_len; 1358 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, 1359 &event); 1360 continue; 1361 } 1362 } else { 1363 wpa_printf(MSG_DEBUG, "athr: %s unknown type %d", 1364 __func__, frame_type); 1365 continue; 1366 } 1367 } 1368 } 1369 1370 static void 1371 atheros_wireless_event_atheros_custom(struct atheros_driver_data *drv, 1372 int opcode, char *buf, int len) 1373 { 1374 switch (opcode) { 1375 case IEEE80211_EV_RX_MGMT: 1376 wpa_printf(MSG_DEBUG, "WEXT: EV_RX_MGMT"); 1377 fetch_pending_big_events(drv); 1378 break; 1379 default: 1380 break; 1381 } 1382 } 1383 1384 static void 1385 atheros_wireless_event_wireless(struct atheros_driver_data *drv, 1386 char *data, unsigned int len) 1387 { 1388 struct iw_event iwe_buf, *iwe = &iwe_buf; 1389 char *pos, *end, *custom, *buf; 1390 1391 pos = data; 1392 end = data + len; 1393 1394 while ((size_t) (end - pos) >= IW_EV_LCP_LEN) { 1395 /* Event data may be unaligned, so make a local, aligned copy 1396 * before processing. */ 1397 os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN); 1398 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d", 1399 iwe->cmd, iwe->len); 1400 if (iwe->len <= IW_EV_LCP_LEN || iwe->len > end - pos) 1401 return; 1402 1403 custom = pos + IW_EV_POINT_LEN; 1404 if (drv->we_version > 18 && 1405 (iwe->cmd == IWEVMICHAELMICFAILURE || 1406 iwe->cmd == IWEVASSOCREQIE || 1407 iwe->cmd == IWEVCUSTOM)) { 1408 /* WE-19 removed the pointer from struct iw_point */ 1409 char *dpos = (char *) &iwe_buf.u.data.length; 1410 int dlen = dpos - (char *) &iwe_buf; 1411 os_memcpy(dpos, pos + IW_EV_LCP_LEN, 1412 sizeof(struct iw_event) - dlen); 1413 } else { 1414 os_memcpy(&iwe_buf, pos, sizeof(struct iw_event)); 1415 custom += IW_EV_POINT_OFF; 1416 } 1417 1418 switch (iwe->cmd) { 1419 case IWEVEXPIRED: 1420 drv_event_disassoc(drv->hapd, 1421 (u8 *) iwe->u.addr.sa_data); 1422 break; 1423 case IWEVREGISTERED: 1424 atheros_new_sta(drv, (u8 *) iwe->u.addr.sa_data); 1425 break; 1426 case IWEVASSOCREQIE: 1427 /* Driver hack.. Use IWEVASSOCREQIE to bypass 1428 * IWEVCUSTOM size limitations. Need to handle this 1429 * just like IWEVCUSTOM. 1430 */ 1431 case IWEVCUSTOM: 1432 if (iwe->u.data.length > end - custom) 1433 return; 1434 buf = os_malloc(iwe->u.data.length + 1); 1435 if (buf == NULL) 1436 return; /* XXX */ 1437 os_memcpy(buf, custom, iwe->u.data.length); 1438 buf[iwe->u.data.length] = '\0'; 1439 1440 if (iwe->u.data.flags != 0) { 1441 atheros_wireless_event_atheros_custom( 1442 drv, (int) iwe->u.data.flags, 1443 buf, len); 1444 } else { 1445 atheros_wireless_event_wireless_custom( 1446 drv, buf, buf + iwe->u.data.length); 1447 } 1448 os_free(buf); 1449 break; 1450 } 1451 1452 pos += iwe->len; 1453 } 1454 } 1455 1456 1457 static void 1458 atheros_wireless_event_rtm_newlink(void *ctx, 1459 struct ifinfomsg *ifi, u8 *buf, size_t len) 1460 { 1461 struct atheros_driver_data *drv = ctx; 1462 int attrlen, rta_len; 1463 struct rtattr *attr; 1464 1465 if (ifi->ifi_index != drv->ifindex) 1466 return; 1467 1468 attrlen = len; 1469 attr = (struct rtattr *) buf; 1470 1471 rta_len = RTA_ALIGN(sizeof(struct rtattr)); 1472 while (RTA_OK(attr, attrlen)) { 1473 if (attr->rta_type == IFLA_WIRELESS) { 1474 atheros_wireless_event_wireless( 1475 drv, ((char *) attr) + rta_len, 1476 attr->rta_len - rta_len); 1477 } 1478 attr = RTA_NEXT(attr, attrlen); 1479 } 1480 } 1481 1482 1483 static int 1484 atheros_get_we_version(struct atheros_driver_data *drv) 1485 { 1486 struct iw_range *range; 1487 struct iwreq iwr; 1488 int minlen; 1489 size_t buflen; 1490 1491 drv->we_version = 0; 1492 1493 /* 1494 * Use larger buffer than struct iw_range in order to allow the 1495 * structure to grow in the future. 1496 */ 1497 buflen = sizeof(struct iw_range) + 500; 1498 range = os_zalloc(buflen); 1499 if (range == NULL) 1500 return -1; 1501 1502 os_memset(&iwr, 0, sizeof(iwr)); 1503 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1504 iwr.u.data.pointer = (caddr_t) range; 1505 iwr.u.data.length = buflen; 1506 1507 minlen = ((char *) &range->enc_capa) - (char *) range + 1508 sizeof(range->enc_capa); 1509 1510 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) { 1511 wpa_printf(MSG_ERROR, "ioctl[SIOCGIWRANGE]: %s", 1512 strerror(errno)); 1513 os_free(range); 1514 return -1; 1515 } else if (iwr.u.data.length >= minlen && 1516 range->we_version_compiled >= 18) { 1517 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d " 1518 "WE(source)=%d enc_capa=0x%x", 1519 range->we_version_compiled, 1520 range->we_version_source, 1521 range->enc_capa); 1522 drv->we_version = range->we_version_compiled; 1523 } 1524 1525 os_free(range); 1526 return 0; 1527 } 1528 1529 1530 static int 1531 atheros_wireless_event_init(struct atheros_driver_data *drv) 1532 { 1533 struct netlink_config *cfg; 1534 1535 atheros_get_we_version(drv); 1536 1537 cfg = os_zalloc(sizeof(*cfg)); 1538 if (cfg == NULL) 1539 return -1; 1540 cfg->ctx = drv; 1541 cfg->newlink_cb = atheros_wireless_event_rtm_newlink; 1542 drv->netlink = netlink_init(cfg); 1543 if (drv->netlink == NULL) { 1544 os_free(cfg); 1545 return -1; 1546 } 1547 1548 return 0; 1549 } 1550 1551 1552 static int 1553 atheros_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len, 1554 int encrypt, const u8 *own_addr, u32 flags) 1555 { 1556 struct atheros_driver_data *drv = priv; 1557 unsigned char buf[3000]; 1558 unsigned char *bp = buf; 1559 struct l2_ethhdr *eth; 1560 size_t len; 1561 int status; 1562 1563 /* 1564 * Prepend the Ethernet header. If the caller left us 1565 * space at the front we could just insert it but since 1566 * we don't know we copy to a local buffer. Given the frequency 1567 * and size of frames this probably doesn't matter. 1568 */ 1569 len = data_len + sizeof(struct l2_ethhdr); 1570 if (len > sizeof(buf)) { 1571 bp = os_malloc(len); 1572 if (bp == NULL) { 1573 wpa_printf(MSG_INFO, 1574 "EAPOL frame discarded, cannot malloc temp buffer of size %lu!", 1575 (unsigned long) len); 1576 return -1; 1577 } 1578 } 1579 eth = (struct l2_ethhdr *) bp; 1580 os_memcpy(eth->h_dest, addr, ETH_ALEN); 1581 os_memcpy(eth->h_source, own_addr, ETH_ALEN); 1582 eth->h_proto = host_to_be16(ETH_P_EAPOL); 1583 os_memcpy(eth + 1, data, data_len); 1584 1585 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len); 1586 1587 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len); 1588 1589 if (bp != buf) 1590 os_free(bp); 1591 return status; 1592 } 1593 1594 static void 1595 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) 1596 { 1597 struct atheros_driver_data *drv = ctx; 1598 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr), 1599 len - sizeof(struct l2_ethhdr)); 1600 } 1601 1602 static void * 1603 atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params) 1604 { 1605 struct atheros_driver_data *drv; 1606 struct ifreq ifr; 1607 struct iwreq iwr; 1608 char brname[IFNAMSIZ]; 1609 1610 drv = os_zalloc(sizeof(struct atheros_driver_data)); 1611 if (drv == NULL) { 1612 wpa_printf(MSG_INFO, 1613 "Could not allocate memory for atheros driver data"); 1614 return NULL; 1615 } 1616 1617 drv->hapd = hapd; 1618 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); 1619 if (drv->ioctl_sock < 0) { 1620 wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s", 1621 strerror(errno)); 1622 goto bad; 1623 } 1624 os_memcpy(drv->iface, params->ifname, sizeof(drv->iface)); 1625 1626 os_memset(&ifr, 0, sizeof(ifr)); 1627 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name)); 1628 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) { 1629 wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s", 1630 strerror(errno)); 1631 goto bad; 1632 } 1633 drv->ifindex = ifr.ifr_ifindex; 1634 1635 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL, 1636 handle_read, drv, 1); 1637 if (drv->sock_xmit == NULL) 1638 goto bad; 1639 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr)) 1640 goto bad; 1641 os_memcpy(drv->own_addr, params->own_addr, ETH_ALEN); 1642 if (params->bridge[0]) { 1643 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.", 1644 params->bridge[0]); 1645 drv->sock_recv = l2_packet_init(params->bridge[0], NULL, 1646 ETH_P_EAPOL, handle_read, drv, 1647 1); 1648 if (drv->sock_recv == NULL) 1649 goto bad; 1650 } else if (linux_br_get(brname, drv->iface) == 0) { 1651 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for " 1652 "EAPOL receive", brname); 1653 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL, 1654 handle_read, drv, 1); 1655 if (drv->sock_recv == NULL) 1656 goto bad; 1657 } else 1658 drv->sock_recv = drv->sock_xmit; 1659 1660 os_memset(&iwr, 0, sizeof(iwr)); 1661 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1662 1663 iwr.u.mode = IW_MODE_MASTER; 1664 1665 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) { 1666 wpa_printf(MSG_ERROR, 1667 "Could not set interface to master mode! ioctl[SIOCSIWMODE]: %s", 1668 strerror(errno)); 1669 goto bad; 1670 } 1671 1672 /* mark down during setup */ 1673 linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1674 atheros_set_privacy(drv, 0); /* default to no privacy */ 1675 1676 if (atheros_receive_pkt(drv)) 1677 goto bad; 1678 1679 if (atheros_wireless_event_init(drv)) 1680 goto bad; 1681 1682 return drv; 1683 bad: 1684 atheros_reset_appfilter(drv); 1685 if (drv->sock_raw) 1686 l2_packet_deinit(drv->sock_raw); 1687 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit) 1688 l2_packet_deinit(drv->sock_recv); 1689 if (drv->sock_xmit != NULL) 1690 l2_packet_deinit(drv->sock_xmit); 1691 if (drv->ioctl_sock >= 0) 1692 close(drv->ioctl_sock); 1693 os_free(drv); 1694 return NULL; 1695 } 1696 1697 1698 static void 1699 atheros_deinit(void *priv) 1700 { 1701 struct atheros_driver_data *drv = priv; 1702 1703 atheros_reset_appfilter(drv); 1704 1705 if (drv->wpa_ie || drv->wps_beacon_ie || drv->wps_probe_resp_ie) { 1706 atheros_set_opt_ie(priv, NULL, 0); 1707 wpabuf_free(drv->wpa_ie); 1708 wpabuf_free(drv->wps_beacon_ie); 1709 wpabuf_free(drv->wps_probe_resp_ie); 1710 } 1711 netlink_deinit(drv->netlink); 1712 (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1713 if (drv->ioctl_sock >= 0) 1714 close(drv->ioctl_sock); 1715 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit) 1716 l2_packet_deinit(drv->sock_recv); 1717 if (drv->sock_xmit != NULL) 1718 l2_packet_deinit(drv->sock_xmit); 1719 if (drv->sock_raw) 1720 l2_packet_deinit(drv->sock_raw); 1721 os_free(drv); 1722 } 1723 1724 static int 1725 atheros_set_ssid(void *priv, const u8 *buf, int len) 1726 { 1727 struct atheros_driver_data *drv = priv; 1728 struct iwreq iwr; 1729 1730 os_memset(&iwr, 0, sizeof(iwr)); 1731 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1732 iwr.u.essid.flags = 1; /* SSID active */ 1733 iwr.u.essid.pointer = (caddr_t) buf; 1734 iwr.u.essid.length = len + 1; 1735 1736 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) { 1737 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWESSID,len=%d]: %s", 1738 len, strerror(errno)); 1739 return -1; 1740 } 1741 return 0; 1742 } 1743 1744 static int 1745 atheros_get_ssid(void *priv, u8 *buf, int len) 1746 { 1747 struct atheros_driver_data *drv = priv; 1748 struct iwreq iwr; 1749 int ret = 0; 1750 1751 os_memset(&iwr, 0, sizeof(iwr)); 1752 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1753 iwr.u.essid.pointer = (caddr_t) buf; 1754 iwr.u.essid.length = (len > IW_ESSID_MAX_SIZE) ? 1755 IW_ESSID_MAX_SIZE : len; 1756 1757 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) { 1758 wpa_printf(MSG_ERROR, "ioctl[SIOCGIWESSID]: %s", 1759 strerror(errno)); 1760 ret = -1; 1761 } else 1762 ret = iwr.u.essid.length; 1763 1764 return ret; 1765 } 1766 1767 static int 1768 atheros_set_countermeasures(void *priv, int enabled) 1769 { 1770 struct atheros_driver_data *drv = priv; 1771 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled); 1772 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled); 1773 } 1774 1775 static int 1776 atheros_commit(void *priv) 1777 { 1778 struct atheros_driver_data *drv = priv; 1779 return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1); 1780 } 1781 1782 static int atheros_set_authmode(void *priv, int auth_algs) 1783 { 1784 int authmode; 1785 1786 if ((auth_algs & WPA_AUTH_ALG_OPEN) && 1787 (auth_algs & WPA_AUTH_ALG_SHARED)) 1788 authmode = IEEE80211_AUTH_AUTO; 1789 else if (auth_algs & WPA_AUTH_ALG_OPEN) 1790 authmode = IEEE80211_AUTH_OPEN; 1791 else if (auth_algs & WPA_AUTH_ALG_SHARED) 1792 authmode = IEEE80211_AUTH_SHARED; 1793 else 1794 return -1; 1795 1796 return set80211param(priv, IEEE80211_PARAM_AUTHMODE, authmode); 1797 } 1798 1799 static int atheros_set_ap(void *priv, struct wpa_driver_ap_params *params) 1800 { 1801 /* 1802 * TODO: Use this to replace set_authmode, set_privacy, set_ieee8021x, 1803 * set_generic_elem, and hapd_set_ssid. 1804 */ 1805 1806 wpa_printf(MSG_DEBUG, "atheros: set_ap - pairwise_ciphers=0x%x " 1807 "group_cipher=0x%x key_mgmt_suites=0x%x auth_algs=0x%x " 1808 "wpa_version=0x%x privacy=%d interworking=%d", 1809 params->pairwise_ciphers, params->group_cipher, 1810 params->key_mgmt_suites, params->auth_algs, 1811 params->wpa_version, params->privacy, params->interworking); 1812 wpa_hexdump_ascii(MSG_DEBUG, "atheros: SSID", 1813 params->ssid, params->ssid_len); 1814 if (params->hessid) 1815 wpa_printf(MSG_DEBUG, "atheros: HESSID " MACSTR, 1816 MAC2STR(params->hessid)); 1817 wpa_hexdump_buf(MSG_DEBUG, "atheros: beacon_ies", 1818 params->beacon_ies); 1819 wpa_hexdump_buf(MSG_DEBUG, "atheros: proberesp_ies", 1820 params->proberesp_ies); 1821 wpa_hexdump_buf(MSG_DEBUG, "atheros: assocresp_ies", 1822 params->assocresp_ies); 1823 1824 #if defined(CONFIG_HS20) && (defined(IEEE80211_PARAM_OSEN) || defined(CONFIG_ATHEROS_OSEN)) 1825 if (params->osen) { 1826 struct wpa_bss_params bss_params; 1827 1828 os_memset(&bss_params, 0, sizeof(struct wpa_bss_params)); 1829 bss_params.enabled = 1; 1830 bss_params.wpa = 2; 1831 bss_params.wpa_pairwise = WPA_CIPHER_CCMP; 1832 bss_params.wpa_group = WPA_CIPHER_CCMP; 1833 bss_params.ieee802_1x = 1; 1834 1835 if (atheros_set_privacy(priv, 1) || 1836 set80211param(priv, IEEE80211_PARAM_OSEN, 1)) 1837 return -1; 1838 1839 return atheros_set_ieee8021x(priv, &bss_params); 1840 } 1841 #endif /* CONFIG_HS20 && IEEE80211_PARAM_OSEN */ 1842 1843 return 0; 1844 } 1845 1846 1847 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) 1848 1849 static int atheros_send_mgmt(void *priv, const u8 *frm, size_t data_len, 1850 int noack, unsigned int freq, 1851 const u16 *csa_offs, size_t csa_offs_len) 1852 { 1853 struct atheros_driver_data *drv = priv; 1854 u8 buf[1510]; 1855 const struct ieee80211_mgmt *mgmt; 1856 struct ieee80211req_mgmtbuf *mgmt_frm; 1857 1858 mgmt = (const struct ieee80211_mgmt *) frm; 1859 wpa_printf(MSG_DEBUG, "%s frmlen = %lu " MACSTR, __func__, 1860 (unsigned long) data_len, MAC2STR(mgmt->da)); 1861 mgmt_frm = (struct ieee80211req_mgmtbuf *) buf; 1862 os_memcpy(mgmt_frm->macaddr, (u8 *)mgmt->da, IEEE80211_ADDR_LEN); 1863 mgmt_frm->buflen = data_len; 1864 if (&mgmt_frm->buf[0] + data_len > buf + sizeof(buf)) { 1865 wpa_printf(MSG_INFO, "atheros: Too long frame for " 1866 "atheros_send_mgmt (%u)", (unsigned int) data_len); 1867 return -1; 1868 } 1869 os_memcpy(&mgmt_frm->buf[0], frm, data_len); 1870 return set80211priv(drv, IEEE80211_IOCTL_SEND_MGMT, mgmt_frm, 1871 sizeof(struct ieee80211req_mgmtbuf) + data_len); 1872 } 1873 #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */ 1874 1875 1876 #ifdef CONFIG_IEEE80211R 1877 1878 static int atheros_add_tspec(void *priv, const u8 *addr, u8 *tspec_ie, 1879 size_t tspec_ielen) 1880 { 1881 struct atheros_driver_data *drv = priv; 1882 int retv; 1883 struct ieee80211req_res req; 1884 struct ieee80211req_res_addts *addts = &req.u.addts; 1885 1886 wpa_printf(MSG_DEBUG, "%s", __func__); 1887 req.type = IEEE80211_RESREQ_ADDTS; 1888 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN); 1889 os_memcpy(addts->tspecie, tspec_ie, tspec_ielen); 1890 retv = set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req, 1891 sizeof(struct ieee80211req_res)); 1892 if (retv < 0) { 1893 wpa_printf(MSG_DEBUG, "%s IEEE80211_IOCTL_RES_REQ FAILED " 1894 "retv = %d", __func__, retv); 1895 return -1; 1896 } 1897 os_memcpy(tspec_ie, addts->tspecie, tspec_ielen); 1898 return addts->status; 1899 } 1900 1901 1902 static int atheros_add_sta_node(void *priv, const u8 *addr, u16 auth_alg) 1903 { 1904 struct atheros_driver_data *drv = priv; 1905 struct ieee80211req_res req; 1906 struct ieee80211req_res_addnode *addnode = &req.u.addnode; 1907 1908 wpa_printf(MSG_DEBUG, "%s", __func__); 1909 req.type = IEEE80211_RESREQ_ADDNODE; 1910 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN); 1911 addnode->auth_alg = auth_alg; 1912 return set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req, 1913 sizeof(struct ieee80211req_res)); 1914 } 1915 1916 #endif /* CONFIG_IEEE80211R */ 1917 1918 1919 /* Use only to set a big param, get will not work. */ 1920 static int 1921 set80211big(struct atheros_driver_data *drv, int op, const void *data, int len) 1922 { 1923 struct iwreq iwr; 1924 1925 os_memset(&iwr, 0, sizeof(iwr)); 1926 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1927 1928 iwr.u.data.pointer = (void *) data; 1929 iwr.u.data.length = len; 1930 iwr.u.data.flags = op; 1931 wpa_printf(MSG_DEBUG, "%s: op=0x%x=%d (%s) len=0x%x", 1932 __func__, op, op, athr_get_param_name(op), len); 1933 1934 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) < 0) { 1935 wpa_printf(MSG_DEBUG, "%s: op=0x%x (%s) subop=0x%x=%d " 1936 "value=0x%x,0x%x failed: %d (%s)", 1937 __func__, op, athr_get_ioctl_name(op), iwr.u.mode, 1938 iwr.u.mode, iwr.u.data.length, 1939 iwr.u.data.flags, errno, strerror(errno)); 1940 return -1; 1941 } 1942 return 0; 1943 } 1944 1945 1946 static int atheros_send_action(void *priv, unsigned int freq, 1947 unsigned int wait, 1948 const u8 *dst, const u8 *src, 1949 const u8 *bssid, 1950 const u8 *data, size_t data_len, int no_cck) 1951 { 1952 struct atheros_driver_data *drv = priv; 1953 struct ieee80211_p2p_send_action *act; 1954 int res; 1955 1956 act = os_zalloc(sizeof(*act) + data_len); 1957 if (act == NULL) 1958 return -1; 1959 act->freq = freq; 1960 os_memcpy(act->dst_addr, dst, ETH_ALEN); 1961 os_memcpy(act->src_addr, src, ETH_ALEN); 1962 os_memcpy(act->bssid, bssid, ETH_ALEN); 1963 os_memcpy(act + 1, data, data_len); 1964 wpa_printf(MSG_DEBUG, "%s: freq=%d, wait=%u, dst=" MACSTR ", src=" 1965 MACSTR ", bssid=" MACSTR, 1966 __func__, act->freq, wait, MAC2STR(act->dst_addr), 1967 MAC2STR(act->src_addr), MAC2STR(act->bssid)); 1968 wpa_hexdump(MSG_MSGDUMP, "athr: act", (u8 *) act, sizeof(*act)); 1969 wpa_hexdump(MSG_MSGDUMP, "athr: data", data, data_len); 1970 1971 res = set80211big(drv, IEEE80211_IOC_P2P_SEND_ACTION, 1972 act, sizeof(*act) + data_len); 1973 os_free(act); 1974 return res; 1975 } 1976 1977 1978 #if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM) 1979 static int athr_wnm_tfs(struct atheros_driver_data *drv, const u8* peer, 1980 u8 *ie, u16 *len, enum wnm_oper oper) 1981 { 1982 #define IEEE80211_APPIE_MAX 1024 /* max appie buffer size */ 1983 u8 buf[IEEE80211_APPIE_MAX]; 1984 struct ieee80211req_getset_appiebuf *tfs_ie; 1985 u16 val; 1986 1987 wpa_printf(MSG_DEBUG, "atheros: ifname=%s, WNM TFS IE oper=%d " MACSTR, 1988 drv->iface, oper, MAC2STR(peer)); 1989 1990 switch (oper) { 1991 case WNM_SLEEP_TFS_REQ_IE_SET: 1992 if (*len > IEEE80211_APPIE_MAX - 1993 sizeof(struct ieee80211req_getset_appiebuf)) { 1994 wpa_printf(MSG_DEBUG, "TFS Req IE(s) too large"); 1995 return -1; 1996 } 1997 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 1998 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 1999 tfs_ie->app_buflen = ETH_ALEN + 2 + 2 + *len; 2000 2001 /* Command header for driver */ 2002 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 2003 val = oper; 2004 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 2005 val = *len; 2006 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 2007 2008 /* copy the ie */ 2009 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2 + 2, ie, *len); 2010 2011 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie, 2012 IEEE80211_APPIE_MAX)) { 2013 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: " 2014 "%s", __func__, strerror(errno)); 2015 return -1; 2016 } 2017 break; 2018 case WNM_SLEEP_TFS_RESP_IE_ADD: 2019 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 2020 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 2021 tfs_ie->app_buflen = IEEE80211_APPIE_MAX - 2022 sizeof(struct ieee80211req_getset_appiebuf); 2023 /* Command header for driver */ 2024 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 2025 val = oper; 2026 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 2027 val = 0; 2028 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 2029 2030 if (set80211priv(drv, IEEE80211_IOCTL_GET_APPIEBUF, tfs_ie, 2031 IEEE80211_APPIE_MAX)) { 2032 wpa_printf(MSG_DEBUG, "%s: Failed to get WNM TFS IE: " 2033 "%s", __func__, strerror(errno)); 2034 return -1; 2035 } 2036 2037 *len = tfs_ie->app_buflen; 2038 os_memcpy(ie, &(tfs_ie->app_buf[0]), *len); 2039 wpa_printf(MSG_DEBUG, "atheros: %c len=%d", tfs_ie->app_buf[0], 2040 *len); 2041 break; 2042 case WNM_SLEEP_TFS_RESP_IE_NONE: 2043 *len = 0; 2044 break; 2045 case WNM_SLEEP_TFS_IE_DEL: 2046 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 2047 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 2048 tfs_ie->app_buflen = IEEE80211_APPIE_MAX - 2049 sizeof(struct ieee80211req_getset_appiebuf); 2050 /* Command header for driver */ 2051 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 2052 val = oper; 2053 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 2054 val = 0; 2055 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 2056 2057 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie, 2058 IEEE80211_APPIE_MAX)) { 2059 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: " 2060 "%s", __func__, strerror(errno)); 2061 return -1; 2062 } 2063 break; 2064 default: 2065 wpa_printf(MSG_DEBUG, "Unsupported TFS oper %d", oper); 2066 break; 2067 } 2068 2069 return 0; 2070 } 2071 2072 2073 static int atheros_wnm_sleep(struct atheros_driver_data *drv, 2074 const u8 *peer, enum wnm_oper oper) 2075 { 2076 u8 *data, *pos; 2077 size_t dlen; 2078 int ret; 2079 u16 val; 2080 2081 wpa_printf(MSG_DEBUG, "atheros: WNM-Sleep Oper %d, " MACSTR, 2082 oper, MAC2STR(peer)); 2083 2084 dlen = ETH_ALEN + 2 + 2; 2085 data = os_malloc(dlen); 2086 if (data == NULL) 2087 return -1; 2088 2089 /* Command header for driver */ 2090 pos = data; 2091 os_memcpy(pos, peer, ETH_ALEN); 2092 pos += ETH_ALEN; 2093 2094 val = oper; 2095 os_memcpy(pos, &val, 2); 2096 pos += 2; 2097 2098 val = 0; 2099 os_memcpy(pos, &val, 2); 2100 2101 ret = atheros_set_wps_ie(drv, data, dlen, IEEE80211_APPIE_FRAME_WNM); 2102 2103 os_free(data); 2104 2105 return ret; 2106 } 2107 2108 2109 static int atheros_wnm_oper(void *priv, enum wnm_oper oper, const u8 *peer, 2110 u8 *buf, u16 *buf_len) 2111 { 2112 struct atheros_driver_data *drv = priv; 2113 2114 switch (oper) { 2115 case WNM_SLEEP_ENTER_CONFIRM: 2116 case WNM_SLEEP_ENTER_FAIL: 2117 case WNM_SLEEP_EXIT_CONFIRM: 2118 case WNM_SLEEP_EXIT_FAIL: 2119 return atheros_wnm_sleep(drv, peer, oper); 2120 case WNM_SLEEP_TFS_REQ_IE_SET: 2121 case WNM_SLEEP_TFS_RESP_IE_ADD: 2122 case WNM_SLEEP_TFS_RESP_IE_NONE: 2123 case WNM_SLEEP_TFS_IE_DEL: 2124 return athr_wnm_tfs(drv, peer, buf, buf_len, oper); 2125 default: 2126 wpa_printf(MSG_DEBUG, "atheros: Unsupported WNM operation %d", 2127 oper); 2128 return -1; 2129 } 2130 } 2131 #endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */ 2132 2133 2134 const struct wpa_driver_ops wpa_driver_atheros_ops = { 2135 .name = "atheros", 2136 .hapd_init = atheros_init, 2137 .hapd_deinit = atheros_deinit, 2138 .set_ieee8021x = atheros_set_ieee8021x, 2139 .set_privacy = atheros_set_privacy, 2140 .set_key = atheros_set_key, 2141 .get_seqnum = atheros_get_seqnum, 2142 .flush = atheros_flush, 2143 .set_generic_elem = atheros_set_opt_ie, 2144 .sta_set_flags = atheros_sta_set_flags, 2145 .read_sta_data = atheros_read_sta_driver_data, 2146 .hapd_send_eapol = atheros_send_eapol, 2147 .sta_disassoc = atheros_sta_disassoc, 2148 .sta_deauth = atheros_sta_deauth, 2149 .hapd_set_ssid = atheros_set_ssid, 2150 .hapd_get_ssid = atheros_get_ssid, 2151 .set_countermeasures = atheros_set_countermeasures, 2152 .sta_clear_stats = atheros_sta_clear_stats, 2153 .commit = atheros_commit, 2154 .set_ap_wps_ie = atheros_set_ap_wps_ie, 2155 .set_authmode = atheros_set_authmode, 2156 .set_ap = atheros_set_ap, 2157 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) 2158 .sta_assoc = atheros_sta_assoc, 2159 .sta_auth = atheros_sta_auth, 2160 .send_mlme = atheros_send_mgmt, 2161 #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */ 2162 #ifdef CONFIG_IEEE80211R 2163 .add_tspec = atheros_add_tspec, 2164 .add_sta_node = atheros_add_sta_node, 2165 #endif /* CONFIG_IEEE80211R */ 2166 .send_action = atheros_send_action, 2167 #if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM) 2168 .wnm_oper = atheros_wnm_oper, 2169 #endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */ 2170 .set_qos_map = atheros_set_qos_map, 2171 }; 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