driver_atheros.c revision 0e58d9be2680098adccaadeadf31375ca54b7256
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#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 63struct 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 83static int atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, 84 int reason_code); 85static int atheros_set_privacy(void *priv, int enabled); 86 87static 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 154static 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 181static int 182set80211priv(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 220static int 221set80211param(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 241static const char * 242ether_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 */ 257static int 258atheros_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 368static int 369atheros_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 400static int 401atheros_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 410static int 411atheros_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 435static int 436atheros_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 448static int 449atheros_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 476static int 477atheros_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 568static int 569atheros_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 615static int 616atheros_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 625static int 626atheros_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 661static int 662atheros_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 683static int 684atheros_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 734static int 735atheros_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 758static int 759atheros_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 782static 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 832static 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 + sizeof(mgmt->u.probe_req)) 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 = mgmt->u.probe_req.variable; 866 event.rx_probe_req.ie_len = 867 len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)); 868 wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event); 869 return; 870 } 871 872 if (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) != 0) { 873 wpa_printf(MSG_DEBUG, "%s: BSSID does not match - ignore", 874 __func__); 875 return; 876 } 877 878 switch (stype) { 879 case WLAN_FC_STYPE_ASSOC_REQ: 880 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req)) 881 break; 882 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req)); 883 iebuf = mgmt->u.assoc_req.variable; 884 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 0); 885 break; 886 case WLAN_FC_STYPE_REASSOC_REQ: 887 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req)) 888 break; 889 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req)); 890 iebuf = mgmt->u.reassoc_req.variable; 891 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 1); 892 break; 893 case WLAN_FC_STYPE_ACTION: 894 os_memset(&event, 0, sizeof(event)); 895 event.rx_mgmt.frame = buf; 896 event.rx_mgmt.frame_len = len; 897 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event); 898 break; 899 case WLAN_FC_STYPE_AUTH: 900 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) 901 break; 902 os_memset(&event, 0, sizeof(event)); 903 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN); 904 os_memcpy(event.auth.bssid, mgmt->bssid, ETH_ALEN); 905 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg); 906 event.auth.status_code = 907 le_to_host16(mgmt->u.auth.status_code); 908 event.auth.auth_transaction = 909 le_to_host16(mgmt->u.auth.auth_transaction); 910 event.auth.ies = mgmt->u.auth.variable; 911 event.auth.ies_len = len - IEEE80211_HDRLEN - 912 sizeof(mgmt->u.auth); 913 wpa_supplicant_event(drv->hapd, EVENT_AUTH, &event); 914 break; 915 default: 916 break; 917 } 918} 919#endif /* ATHEROS_USE_RAW_RECEIVE */ 920 921static int atheros_receive_pkt(struct atheros_driver_data *drv) 922{ 923 int ret = 0; 924 struct ieee80211req_set_filter filt; 925 926 wpa_printf(MSG_DEBUG, "%s Enter", __func__); 927 filt.app_filterype = 0; 928#ifdef CONFIG_WPS 929 filt.app_filterype |= IEEE80211_FILTER_TYPE_PROBE_REQ; 930#endif /* CONFIG_WPS */ 931#if defined(CONFIG_IEEE80211W) || defined(CONFIG_IEEE80211R) 932 filt.app_filterype |= (IEEE80211_FILTER_TYPE_ASSOC_REQ | 933 IEEE80211_FILTER_TYPE_AUTH | 934 IEEE80211_FILTER_TYPE_ACTION); 935#endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */ 936#ifdef CONFIG_WNM 937 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION; 938#endif /* CONFIG_WNM */ 939#ifdef CONFIG_HS20 940 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION; 941#endif /* CONFIG_HS20 */ 942 if (filt.app_filterype) { 943 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt, 944 sizeof(struct ieee80211req_set_filter)); 945 if (ret) 946 return ret; 947 } 948 949#if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) 950 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW, 951 atheros_raw_receive, drv, 1); 952 if (drv->sock_raw == NULL) 953 return -1; 954#endif /* CONFIG_WPS || CONFIG_IEEE80211R */ 955 return ret; 956} 957 958static int atheros_reset_appfilter(struct atheros_driver_data *drv) 959{ 960 struct ieee80211req_set_filter filt; 961 filt.app_filterype = 0; 962 return set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt, 963 sizeof(struct ieee80211req_set_filter)); 964} 965 966#ifdef CONFIG_WPS 967static int 968atheros_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype) 969{ 970 struct atheros_driver_data *drv = priv; 971 u8 buf[512]; 972 struct ieee80211req_getset_appiebuf *beac_ie; 973 974 wpa_printf(MSG_DEBUG, "%s buflen = %lu frametype=%u", __func__, 975 (unsigned long) len, frametype); 976 wpa_hexdump(MSG_DEBUG, "atheros: IE", ie, len); 977 978 beac_ie = (struct ieee80211req_getset_appiebuf *) buf; 979 beac_ie->app_frmtype = frametype; 980 beac_ie->app_buflen = len; 981 os_memcpy(&(beac_ie->app_buf[0]), ie, len); 982 983 /* append the WPA/RSN IE if it is set already */ 984 if (((frametype == IEEE80211_APPIE_FRAME_BEACON) || 985 (frametype == IEEE80211_APPIE_FRAME_PROBE_RESP)) && 986 (drv->wpa_ie != NULL)) { 987 wpa_hexdump_buf(MSG_DEBUG, "atheros: Append WPA/RSN IE", 988 drv->wpa_ie); 989 os_memcpy(&(beac_ie->app_buf[len]), wpabuf_head(drv->wpa_ie), 990 wpabuf_len(drv->wpa_ie)); 991 beac_ie->app_buflen += wpabuf_len(drv->wpa_ie); 992 } 993 994 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF", 995 beac_ie->app_buf, beac_ie->app_buflen); 996 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie, 997 sizeof(struct ieee80211req_getset_appiebuf) + 998 beac_ie->app_buflen); 999} 1000 1001static int 1002atheros_set_ap_wps_ie(void *priv, const struct wpabuf *beacon, 1003 const struct wpabuf *proberesp, 1004 const struct wpabuf *assocresp) 1005{ 1006 struct atheros_driver_data *drv = priv; 1007 1008 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - beacon", beacon); 1009 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - proberesp", 1010 proberesp); 1011 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - assocresp", 1012 assocresp); 1013 wpabuf_free(drv->wps_beacon_ie); 1014 drv->wps_beacon_ie = beacon ? wpabuf_dup(beacon) : NULL; 1015 wpabuf_free(drv->wps_probe_resp_ie); 1016 drv->wps_probe_resp_ie = proberesp ? wpabuf_dup(proberesp) : NULL; 1017 1018 atheros_set_wps_ie(priv, assocresp ? wpabuf_head(assocresp) : NULL, 1019 assocresp ? wpabuf_len(assocresp) : 0, 1020 IEEE80211_APPIE_FRAME_ASSOC_RESP); 1021 if (atheros_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL, 1022 beacon ? wpabuf_len(beacon) : 0, 1023 IEEE80211_APPIE_FRAME_BEACON)) 1024 return -1; 1025 return atheros_set_wps_ie(priv, 1026 proberesp ? wpabuf_head(proberesp) : NULL, 1027 proberesp ? wpabuf_len(proberesp): 0, 1028 IEEE80211_APPIE_FRAME_PROBE_RESP); 1029} 1030#else /* CONFIG_WPS */ 1031#define atheros_set_ap_wps_ie NULL 1032#endif /* CONFIG_WPS */ 1033 1034#if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) 1035static int 1036atheros_sta_auth(void *priv, const u8 *own_addr, const u8 *addr, u16 seq, 1037 u16 status_code, const u8 *ie, size_t len) 1038{ 1039 struct atheros_driver_data *drv = priv; 1040 struct ieee80211req_mlme mlme; 1041 int ret; 1042 1043 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d", 1044 __func__, ether_sprintf(addr), status_code); 1045 1046 mlme.im_op = IEEE80211_MLME_AUTH; 1047 mlme.im_reason = status_code; 1048 mlme.im_seq = seq; 1049 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 1050 mlme.im_optie_len = len; 1051 if (len) { 1052 if (len < IEEE80211_MAX_OPT_IE) { 1053 os_memcpy(mlme.im_optie, ie, len); 1054 } else { 1055 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy " 1056 "opt_ie STA (addr " MACSTR " reason %d, " 1057 "ie_len %d)", 1058 __func__, MAC2STR(addr), status_code, 1059 (int) len); 1060 return -1; 1061 } 1062 } 1063 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 1064 if (ret < 0) { 1065 wpa_printf(MSG_DEBUG, "%s: Failed to auth STA (addr " MACSTR 1066 " reason %d)", 1067 __func__, MAC2STR(addr), status_code); 1068 } 1069 return ret; 1070} 1071 1072static int 1073atheros_sta_assoc(void *priv, const u8 *own_addr, const u8 *addr, 1074 int reassoc, u16 status_code, const u8 *ie, size_t len) 1075{ 1076 struct atheros_driver_data *drv = priv; 1077 struct ieee80211req_mlme mlme; 1078 int ret; 1079 1080 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d reassoc %d", 1081 __func__, ether_sprintf(addr), status_code, reassoc); 1082 1083 if (reassoc) 1084 mlme.im_op = IEEE80211_MLME_REASSOC; 1085 else 1086 mlme.im_op = IEEE80211_MLME_ASSOC; 1087 mlme.im_reason = status_code; 1088 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); 1089 mlme.im_optie_len = len; 1090 if (len) { 1091 if (len < IEEE80211_MAX_OPT_IE) { 1092 os_memcpy(mlme.im_optie, ie, len); 1093 } else { 1094 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy " 1095 "opt_ie STA (addr " MACSTR " reason %d, " 1096 "ie_len %d)", 1097 __func__, MAC2STR(addr), status_code, 1098 (int) len); 1099 return -1; 1100 } 1101 } 1102 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme)); 1103 if (ret < 0) { 1104 wpa_printf(MSG_DEBUG, "%s: Failed to assoc STA (addr " MACSTR 1105 " reason %d)", 1106 __func__, MAC2STR(addr), status_code); 1107 } 1108 return ret; 1109} 1110#endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */ 1111 1112static void 1113atheros_new_sta(struct atheros_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN]) 1114{ 1115 struct hostapd_data *hapd = drv->hapd; 1116 struct ieee80211req_wpaie ie; 1117 int ielen = 0; 1118 u8 *iebuf = NULL; 1119 1120 /* 1121 * Fetch negotiated WPA/RSN parameters from the system. 1122 */ 1123 os_memset(&ie, 0, sizeof(ie)); 1124 os_memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN); 1125 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) { 1126 /* 1127 * See ATH_WPS_IE comment in the beginning of the file for a 1128 * possible cause for the failure.. 1129 */ 1130 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s", 1131 __func__, strerror(errno)); 1132 goto no_ie; 1133 } 1134 wpa_hexdump(MSG_MSGDUMP, "atheros req WPA IE", 1135 ie.wpa_ie, IEEE80211_MAX_OPT_IE); 1136 wpa_hexdump(MSG_MSGDUMP, "atheros req RSN IE", 1137 ie.rsn_ie, IEEE80211_MAX_OPT_IE); 1138#ifdef ATH_WPS_IE 1139 wpa_hexdump(MSG_MSGDUMP, "atheros req WPS IE", 1140 ie.wps_ie, IEEE80211_MAX_OPT_IE); 1141#endif /* ATH_WPS_IE */ 1142 iebuf = ie.wpa_ie; 1143 /* atheros seems to return some random data if WPA/RSN IE is not set. 1144 * Assume the IE was not included if the IE type is unknown. */ 1145 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC) 1146 iebuf[1] = 0; 1147 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) { 1148 /* atheros-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not 1149 * set. This is needed for WPA2. */ 1150 iebuf = ie.rsn_ie; 1151 if (iebuf[0] != WLAN_EID_RSN) 1152 iebuf[1] = 0; 1153 } 1154 1155 ielen = iebuf[1]; 1156 1157#ifdef ATH_WPS_IE 1158 /* if WPS IE is present, preference is given to WPS */ 1159 if (ie.wps_ie && 1160 (ie.wps_ie[1] > 0 && (ie.wps_ie[0] == WLAN_EID_VENDOR_SPECIFIC))) { 1161 iebuf = ie.wps_ie; 1162 ielen = ie.wps_ie[1]; 1163 } 1164#endif /* ATH_WPS_IE */ 1165 1166 if (ielen == 0) 1167 iebuf = NULL; 1168 else 1169 ielen += 2; 1170 1171no_ie: 1172 drv_event_assoc(hapd, addr, iebuf, ielen, 0); 1173 1174 if (os_memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) { 1175 /* Cached accounting data is not valid anymore. */ 1176 os_memset(drv->acct_mac, 0, ETH_ALEN); 1177 os_memset(&drv->acct_data, 0, sizeof(drv->acct_data)); 1178 } 1179} 1180 1181static void 1182atheros_wireless_event_wireless_custom(struct atheros_driver_data *drv, 1183 char *custom, char *end) 1184{ 1185#define MGMT_FRAM_TAG_SIZE 30 /* hardcoded in driver */ 1186 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom); 1187 1188 if (os_strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) { 1189 char *pos; 1190 u8 addr[ETH_ALEN]; 1191 pos = os_strstr(custom, "addr="); 1192 if (pos == NULL) { 1193 wpa_printf(MSG_DEBUG, 1194 "MLME-MICHAELMICFAILURE.indication " 1195 "without sender address ignored"); 1196 return; 1197 } 1198 pos += 5; 1199 if (hwaddr_aton(pos, addr) == 0) { 1200 union wpa_event_data data; 1201 os_memset(&data, 0, sizeof(data)); 1202 data.michael_mic_failure.unicast = 1; 1203 data.michael_mic_failure.src = addr; 1204 wpa_supplicant_event(drv->hapd, 1205 EVENT_MICHAEL_MIC_FAILURE, &data); 1206 } else { 1207 wpa_printf(MSG_DEBUG, 1208 "MLME-MICHAELMICFAILURE.indication " 1209 "with invalid MAC address"); 1210 } 1211 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) { 1212 char *key, *value; 1213 u32 val; 1214 key = custom; 1215 while ((key = os_strchr(key, '\n')) != NULL) { 1216 key++; 1217 value = os_strchr(key, '='); 1218 if (value == NULL) 1219 continue; 1220 *value++ = '\0'; 1221 val = strtoul(value, NULL, 10); 1222 if (os_strcmp(key, "mac") == 0) 1223 hwaddr_aton(value, drv->acct_mac); 1224 else if (os_strcmp(key, "rx_packets") == 0) 1225 drv->acct_data.rx_packets = val; 1226 else if (os_strcmp(key, "tx_packets") == 0) 1227 drv->acct_data.tx_packets = val; 1228 else if (os_strcmp(key, "rx_bytes") == 0) 1229 drv->acct_data.rx_bytes = val; 1230 else if (os_strcmp(key, "tx_bytes") == 0) 1231 drv->acct_data.tx_bytes = val; 1232 key = value; 1233 } 1234#ifdef CONFIG_WPS 1235 } else if (os_strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) { 1236 /* Some atheros kernels send push button as a wireless event */ 1237 /* PROBLEM! this event is received for ALL BSSs ... 1238 * so all are enabled for WPS... ugh. 1239 */ 1240 wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL); 1241 } else if (os_strncmp(custom, "Manage.prob_req ", 16) == 0) { 1242 /* 1243 * Atheros driver uses a hack to pass Probe Request frames as a 1244 * binary data in the custom wireless event. The old way (using 1245 * packet sniffing) didn't work when bridging. 1246 * Format: "Manage.prob_req <frame len>" | zero padding | frame 1247 */ 1248 int len = atoi(custom + 16); 1249 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) { 1250 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event " 1251 "length %d", len); 1252 return; 1253 } 1254 atheros_raw_receive(drv, NULL, 1255 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1256#endif /* CONFIG_WPS */ 1257#if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) 1258 } else if (os_strncmp(custom, "Manage.assoc_req ", 17) == 0) { 1259 /* Format: "Manage.assoc_req <frame len>" | zero padding | 1260 * frame */ 1261 int len = atoi(custom + 17); 1262 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) { 1263 wpa_printf(MSG_DEBUG, 1264 "Invalid Manage.assoc_req event length %d", 1265 len); 1266 return; 1267 } 1268 atheros_raw_receive(drv, NULL, 1269 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1270 } else if (os_strncmp(custom, "Manage.auth ", 12) == 0) { 1271 /* Format: "Manage.auth <frame len>" | zero padding | frame */ 1272 int len = atoi(custom + 12); 1273 if (len < 0 || 1274 MGMT_FRAM_TAG_SIZE + len > end - custom) { 1275 wpa_printf(MSG_DEBUG, 1276 "Invalid Manage.auth event length %d", len); 1277 return; 1278 } 1279 atheros_raw_receive(drv, NULL, 1280 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1281#endif /* CONFIG_IEEE80211W || CONFIG_IEEE80211R */ 1282#ifdef ATHEROS_USE_RAW_RECEIVE 1283 } else if (os_strncmp(custom, "Manage.action ", 14) == 0) { 1284 /* Format: "Manage.assoc_req <frame len>" | zero padding | frame 1285 */ 1286 int len = atoi(custom + 14); 1287 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) { 1288 wpa_printf(MSG_DEBUG, 1289 "Invalid Manage.action event length %d", 1290 len); 1291 return; 1292 } 1293 atheros_raw_receive(drv, NULL, 1294 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len); 1295#endif /* ATHEROS_USE_RAW_RECEIVE */ 1296 } 1297} 1298 1299/* 1300* Handle size of data problem. WEXT only allows data of 256 bytes for custom 1301* events, and p2p data can be much bigger. So the athr driver sends a small 1302* event telling me to collect the big data with an ioctl. 1303* On the first event, send all pending events to supplicant. 1304*/ 1305static void fetch_pending_big_events(struct atheros_driver_data *drv) 1306{ 1307 union wpa_event_data event; 1308 const struct ieee80211_mgmt *mgmt; 1309 u8 tbuf[IW_PRIV_SIZE_MASK]; /* max size is 2047 bytes */ 1310 u16 fc, stype; 1311 struct iwreq iwr; 1312 size_t data_len; 1313 u32 freq, frame_type; 1314 1315 while (1) { 1316 os_memset(&iwr, 0, sizeof(iwr)); 1317 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1318 1319 iwr.u.data.pointer = (void *) tbuf; 1320 iwr.u.data.length = sizeof(tbuf); 1321 iwr.u.data.flags = IEEE80211_IOC_P2P_FETCH_FRAME; 1322 1323 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) 1324 < 0) { 1325 if (errno == ENOSPC) { 1326 wpa_printf(MSG_DEBUG, "%s:%d exit", 1327 __func__, __LINE__); 1328 return; 1329 } 1330 wpa_printf(MSG_DEBUG, "athr: %s: P2P_BIG_PARAM[" 1331 "P2P_FETCH_FRAME] failed: %s", 1332 __func__, strerror(errno)); 1333 return; 1334 } 1335 data_len = iwr.u.data.length; 1336 wpa_hexdump(MSG_DEBUG, "athr: P2P_FETCH_FRAME data", 1337 (u8 *) tbuf, data_len); 1338 if (data_len < sizeof(freq) + sizeof(frame_type) + 24) { 1339 wpa_printf(MSG_DEBUG, "athr: frame too short"); 1340 continue; 1341 } 1342 os_memcpy(&freq, tbuf, sizeof(freq)); 1343 os_memcpy(&frame_type, &tbuf[sizeof(freq)], 1344 sizeof(frame_type)); 1345 mgmt = (void *) &tbuf[sizeof(freq) + sizeof(frame_type)]; 1346 data_len -= sizeof(freq) + sizeof(frame_type); 1347 1348 if (frame_type == IEEE80211_EV_RX_MGMT) { 1349 fc = le_to_host16(mgmt->frame_control); 1350 stype = WLAN_FC_GET_STYPE(fc); 1351 1352 wpa_printf(MSG_DEBUG, "athr: EV_RX_MGMT stype=%u " 1353 "freq=%u len=%u", stype, freq, (int) data_len); 1354 1355 if (stype == WLAN_FC_STYPE_ACTION) { 1356 os_memset(&event, 0, sizeof(event)); 1357 event.rx_mgmt.frame = (const u8 *) mgmt; 1358 event.rx_mgmt.frame_len = data_len; 1359 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, 1360 &event); 1361 continue; 1362 } 1363 } else { 1364 wpa_printf(MSG_DEBUG, "athr: %s unknown type %d", 1365 __func__, frame_type); 1366 continue; 1367 } 1368 } 1369} 1370 1371static void 1372atheros_wireless_event_atheros_custom(struct atheros_driver_data *drv, 1373 int opcode, char *buf, int len) 1374{ 1375 switch (opcode) { 1376 case IEEE80211_EV_RX_MGMT: 1377 wpa_printf(MSG_DEBUG, "WEXT: EV_RX_MGMT"); 1378 fetch_pending_big_events(drv); 1379 break; 1380 default: 1381 break; 1382 } 1383} 1384 1385static void 1386atheros_wireless_event_wireless(struct atheros_driver_data *drv, 1387 char *data, unsigned int len) 1388{ 1389 struct iw_event iwe_buf, *iwe = &iwe_buf; 1390 char *pos, *end, *custom, *buf; 1391 1392 pos = data; 1393 end = data + len; 1394 1395 while ((size_t) (end - pos) >= IW_EV_LCP_LEN) { 1396 /* Event data may be unaligned, so make a local, aligned copy 1397 * before processing. */ 1398 os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN); 1399 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d", 1400 iwe->cmd, iwe->len); 1401 if (iwe->len <= IW_EV_LCP_LEN || iwe->len > end - pos) 1402 return; 1403 1404 custom = pos + IW_EV_POINT_LEN; 1405 if (drv->we_version > 18 && 1406 (iwe->cmd == IWEVMICHAELMICFAILURE || 1407 iwe->cmd == IWEVASSOCREQIE || 1408 iwe->cmd == IWEVCUSTOM)) { 1409 /* WE-19 removed the pointer from struct iw_point */ 1410 char *dpos = (char *) &iwe_buf.u.data.length; 1411 int dlen = dpos - (char *) &iwe_buf; 1412 os_memcpy(dpos, pos + IW_EV_LCP_LEN, 1413 sizeof(struct iw_event) - dlen); 1414 } else { 1415 os_memcpy(&iwe_buf, pos, sizeof(struct iw_event)); 1416 custom += IW_EV_POINT_OFF; 1417 } 1418 1419 switch (iwe->cmd) { 1420 case IWEVEXPIRED: 1421 drv_event_disassoc(drv->hapd, 1422 (u8 *) iwe->u.addr.sa_data); 1423 break; 1424 case IWEVREGISTERED: 1425 atheros_new_sta(drv, (u8 *) iwe->u.addr.sa_data); 1426 break; 1427 case IWEVASSOCREQIE: 1428 /* Driver hack.. Use IWEVASSOCREQIE to bypass 1429 * IWEVCUSTOM size limitations. Need to handle this 1430 * just like IWEVCUSTOM. 1431 */ 1432 case IWEVCUSTOM: 1433 if (iwe->u.data.length > end - custom) 1434 return; 1435 buf = os_malloc(iwe->u.data.length + 1); 1436 if (buf == NULL) 1437 return; /* XXX */ 1438 os_memcpy(buf, custom, iwe->u.data.length); 1439 buf[iwe->u.data.length] = '\0'; 1440 1441 if (iwe->u.data.flags != 0) { 1442 atheros_wireless_event_atheros_custom( 1443 drv, (int) iwe->u.data.flags, 1444 buf, len); 1445 } else { 1446 atheros_wireless_event_wireless_custom( 1447 drv, buf, buf + iwe->u.data.length); 1448 } 1449 os_free(buf); 1450 break; 1451 } 1452 1453 pos += iwe->len; 1454 } 1455} 1456 1457 1458static void 1459atheros_wireless_event_rtm_newlink(void *ctx, 1460 struct ifinfomsg *ifi, u8 *buf, size_t len) 1461{ 1462 struct atheros_driver_data *drv = ctx; 1463 int attrlen, rta_len; 1464 struct rtattr *attr; 1465 1466 if (ifi->ifi_index != drv->ifindex) 1467 return; 1468 1469 attrlen = len; 1470 attr = (struct rtattr *) buf; 1471 1472 rta_len = RTA_ALIGN(sizeof(struct rtattr)); 1473 while (RTA_OK(attr, attrlen)) { 1474 if (attr->rta_type == IFLA_WIRELESS) { 1475 atheros_wireless_event_wireless( 1476 drv, ((char *) attr) + rta_len, 1477 attr->rta_len - rta_len); 1478 } 1479 attr = RTA_NEXT(attr, attrlen); 1480 } 1481} 1482 1483 1484static int 1485atheros_get_we_version(struct atheros_driver_data *drv) 1486{ 1487 struct iw_range *range; 1488 struct iwreq iwr; 1489 int minlen; 1490 size_t buflen; 1491 1492 drv->we_version = 0; 1493 1494 /* 1495 * Use larger buffer than struct iw_range in order to allow the 1496 * structure to grow in the future. 1497 */ 1498 buflen = sizeof(struct iw_range) + 500; 1499 range = os_zalloc(buflen); 1500 if (range == NULL) 1501 return -1; 1502 1503 os_memset(&iwr, 0, sizeof(iwr)); 1504 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1505 iwr.u.data.pointer = (caddr_t) range; 1506 iwr.u.data.length = buflen; 1507 1508 minlen = ((char *) &range->enc_capa) - (char *) range + 1509 sizeof(range->enc_capa); 1510 1511 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) { 1512 wpa_printf(MSG_ERROR, "ioctl[SIOCGIWRANGE]: %s", 1513 strerror(errno)); 1514 os_free(range); 1515 return -1; 1516 } else if (iwr.u.data.length >= minlen && 1517 range->we_version_compiled >= 18) { 1518 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d " 1519 "WE(source)=%d enc_capa=0x%x", 1520 range->we_version_compiled, 1521 range->we_version_source, 1522 range->enc_capa); 1523 drv->we_version = range->we_version_compiled; 1524 } 1525 1526 os_free(range); 1527 return 0; 1528} 1529 1530 1531static int 1532atheros_wireless_event_init(struct atheros_driver_data *drv) 1533{ 1534 struct netlink_config *cfg; 1535 1536 atheros_get_we_version(drv); 1537 1538 cfg = os_zalloc(sizeof(*cfg)); 1539 if (cfg == NULL) 1540 return -1; 1541 cfg->ctx = drv; 1542 cfg->newlink_cb = atheros_wireless_event_rtm_newlink; 1543 drv->netlink = netlink_init(cfg); 1544 if (drv->netlink == NULL) { 1545 os_free(cfg); 1546 return -1; 1547 } 1548 1549 return 0; 1550} 1551 1552 1553static int 1554atheros_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len, 1555 int encrypt, const u8 *own_addr, u32 flags) 1556{ 1557 struct atheros_driver_data *drv = priv; 1558 unsigned char buf[3000]; 1559 unsigned char *bp = buf; 1560 struct l2_ethhdr *eth; 1561 size_t len; 1562 int status; 1563 1564 /* 1565 * Prepend the Ethernet header. If the caller left us 1566 * space at the front we could just insert it but since 1567 * we don't know we copy to a local buffer. Given the frequency 1568 * and size of frames this probably doesn't matter. 1569 */ 1570 len = data_len + sizeof(struct l2_ethhdr); 1571 if (len > sizeof(buf)) { 1572 bp = os_malloc(len); 1573 if (bp == NULL) { 1574 wpa_printf(MSG_INFO, 1575 "EAPOL frame discarded, cannot malloc temp buffer of size %lu!", 1576 (unsigned long) len); 1577 return -1; 1578 } 1579 } 1580 eth = (struct l2_ethhdr *) bp; 1581 os_memcpy(eth->h_dest, addr, ETH_ALEN); 1582 os_memcpy(eth->h_source, own_addr, ETH_ALEN); 1583 eth->h_proto = host_to_be16(ETH_P_EAPOL); 1584 os_memcpy(eth + 1, data, data_len); 1585 1586 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len); 1587 1588 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len); 1589 1590 if (bp != buf) 1591 os_free(bp); 1592 return status; 1593} 1594 1595static void 1596handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) 1597{ 1598 struct atheros_driver_data *drv = ctx; 1599 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr), 1600 len - sizeof(struct l2_ethhdr)); 1601} 1602 1603static void * 1604atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params) 1605{ 1606 struct atheros_driver_data *drv; 1607 struct ifreq ifr; 1608 struct iwreq iwr; 1609 char brname[IFNAMSIZ]; 1610 1611 drv = os_zalloc(sizeof(struct atheros_driver_data)); 1612 if (drv == NULL) { 1613 wpa_printf(MSG_INFO, 1614 "Could not allocate memory for atheros driver data"); 1615 return NULL; 1616 } 1617 1618 drv->hapd = hapd; 1619 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); 1620 if (drv->ioctl_sock < 0) { 1621 wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s", 1622 strerror(errno)); 1623 goto bad; 1624 } 1625 os_memcpy(drv->iface, params->ifname, sizeof(drv->iface)); 1626 1627 os_memset(&ifr, 0, sizeof(ifr)); 1628 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name)); 1629 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) { 1630 wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s", 1631 strerror(errno)); 1632 goto bad; 1633 } 1634 drv->ifindex = ifr.ifr_ifindex; 1635 1636 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL, 1637 handle_read, drv, 1); 1638 if (drv->sock_xmit == NULL) 1639 goto bad; 1640 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr)) 1641 goto bad; 1642 os_memcpy(drv->own_addr, params->own_addr, ETH_ALEN); 1643 if (params->bridge[0]) { 1644 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.", 1645 params->bridge[0]); 1646 drv->sock_recv = l2_packet_init(params->bridge[0], NULL, 1647 ETH_P_EAPOL, handle_read, drv, 1648 1); 1649 if (drv->sock_recv == NULL) 1650 goto bad; 1651 } else if (linux_br_get(brname, drv->iface) == 0) { 1652 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for " 1653 "EAPOL receive", brname); 1654 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL, 1655 handle_read, drv, 1); 1656 if (drv->sock_recv == NULL) 1657 goto bad; 1658 } else 1659 drv->sock_recv = drv->sock_xmit; 1660 1661 os_memset(&iwr, 0, sizeof(iwr)); 1662 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1663 1664 iwr.u.mode = IW_MODE_MASTER; 1665 1666 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) { 1667 wpa_printf(MSG_ERROR, 1668 "Could not set interface to master mode! ioctl[SIOCSIWMODE]: %s", 1669 strerror(errno)); 1670 goto bad; 1671 } 1672 1673 /* mark down during setup */ 1674 linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1675 atheros_set_privacy(drv, 0); /* default to no privacy */ 1676 1677 if (atheros_receive_pkt(drv)) 1678 goto bad; 1679 1680 if (atheros_wireless_event_init(drv)) 1681 goto bad; 1682 1683 return drv; 1684bad: 1685 atheros_reset_appfilter(drv); 1686 if (drv->sock_raw) 1687 l2_packet_deinit(drv->sock_raw); 1688 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit) 1689 l2_packet_deinit(drv->sock_recv); 1690 if (drv->sock_xmit != NULL) 1691 l2_packet_deinit(drv->sock_xmit); 1692 if (drv->ioctl_sock >= 0) 1693 close(drv->ioctl_sock); 1694 os_free(drv); 1695 return NULL; 1696} 1697 1698 1699static void 1700atheros_deinit(void *priv) 1701{ 1702 struct atheros_driver_data *drv = priv; 1703 1704 atheros_reset_appfilter(drv); 1705 1706 if (drv->wpa_ie || drv->wps_beacon_ie || drv->wps_probe_resp_ie) { 1707 atheros_set_opt_ie(priv, NULL, 0); 1708 wpabuf_free(drv->wpa_ie); 1709 wpabuf_free(drv->wps_beacon_ie); 1710 wpabuf_free(drv->wps_probe_resp_ie); 1711 } 1712 netlink_deinit(drv->netlink); 1713 (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0); 1714 if (drv->ioctl_sock >= 0) 1715 close(drv->ioctl_sock); 1716 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit) 1717 l2_packet_deinit(drv->sock_recv); 1718 if (drv->sock_xmit != NULL) 1719 l2_packet_deinit(drv->sock_xmit); 1720 if (drv->sock_raw) 1721 l2_packet_deinit(drv->sock_raw); 1722 os_free(drv); 1723} 1724 1725static int 1726atheros_set_ssid(void *priv, const u8 *buf, int len) 1727{ 1728 struct atheros_driver_data *drv = priv; 1729 struct iwreq iwr; 1730 1731 os_memset(&iwr, 0, sizeof(iwr)); 1732 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1733 iwr.u.essid.flags = 1; /* SSID active */ 1734 iwr.u.essid.pointer = (caddr_t) buf; 1735 iwr.u.essid.length = len + 1; 1736 1737 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) { 1738 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWESSID,len=%d]: %s", 1739 len, strerror(errno)); 1740 return -1; 1741 } 1742 return 0; 1743} 1744 1745static int 1746atheros_get_ssid(void *priv, u8 *buf, int len) 1747{ 1748 struct atheros_driver_data *drv = priv; 1749 struct iwreq iwr; 1750 int ret = 0; 1751 1752 os_memset(&iwr, 0, sizeof(iwr)); 1753 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1754 iwr.u.essid.pointer = (caddr_t) buf; 1755 iwr.u.essid.length = (len > IW_ESSID_MAX_SIZE) ? 1756 IW_ESSID_MAX_SIZE : len; 1757 1758 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) { 1759 wpa_printf(MSG_ERROR, "ioctl[SIOCGIWESSID]: %s", 1760 strerror(errno)); 1761 ret = -1; 1762 } else 1763 ret = iwr.u.essid.length; 1764 1765 return ret; 1766} 1767 1768static int 1769atheros_set_countermeasures(void *priv, int enabled) 1770{ 1771 struct atheros_driver_data *drv = priv; 1772 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled); 1773 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled); 1774} 1775 1776static int 1777atheros_commit(void *priv) 1778{ 1779 struct atheros_driver_data *drv = priv; 1780 return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1); 1781} 1782 1783static int atheros_set_authmode(void *priv, int auth_algs) 1784{ 1785 int authmode; 1786 1787 if ((auth_algs & WPA_AUTH_ALG_OPEN) && 1788 (auth_algs & WPA_AUTH_ALG_SHARED)) 1789 authmode = IEEE80211_AUTH_AUTO; 1790 else if (auth_algs & WPA_AUTH_ALG_OPEN) 1791 authmode = IEEE80211_AUTH_OPEN; 1792 else if (auth_algs & WPA_AUTH_ALG_SHARED) 1793 authmode = IEEE80211_AUTH_SHARED; 1794 else 1795 return -1; 1796 1797 return set80211param(priv, IEEE80211_PARAM_AUTHMODE, authmode); 1798} 1799 1800static int atheros_set_ap(void *priv, struct wpa_driver_ap_params *params) 1801{ 1802 /* 1803 * TODO: Use this to replace set_authmode, set_privacy, set_ieee8021x, 1804 * set_generic_elem, and hapd_set_ssid. 1805 */ 1806 1807 wpa_printf(MSG_DEBUG, "atheros: set_ap - pairwise_ciphers=0x%x " 1808 "group_cipher=0x%x key_mgmt_suites=0x%x auth_algs=0x%x " 1809 "wpa_version=0x%x privacy=%d interworking=%d", 1810 params->pairwise_ciphers, params->group_cipher, 1811 params->key_mgmt_suites, params->auth_algs, 1812 params->wpa_version, params->privacy, params->interworking); 1813 wpa_hexdump_ascii(MSG_DEBUG, "atheros: SSID", 1814 params->ssid, params->ssid_len); 1815 if (params->hessid) 1816 wpa_printf(MSG_DEBUG, "atheros: HESSID " MACSTR, 1817 MAC2STR(params->hessid)); 1818 wpa_hexdump_buf(MSG_DEBUG, "atheros: beacon_ies", 1819 params->beacon_ies); 1820 wpa_hexdump_buf(MSG_DEBUG, "atheros: proberesp_ies", 1821 params->proberesp_ies); 1822 wpa_hexdump_buf(MSG_DEBUG, "atheros: assocresp_ies", 1823 params->assocresp_ies); 1824 1825#if defined(CONFIG_HS20) && (defined(IEEE80211_PARAM_OSEN) || defined(CONFIG_ATHEROS_OSEN)) 1826 if (params->osen) { 1827 struct wpa_bss_params bss_params; 1828 1829 os_memset(&bss_params, 0, sizeof(struct wpa_bss_params)); 1830 bss_params.enabled = 1; 1831 bss_params.wpa = 2; 1832 bss_params.wpa_pairwise = WPA_CIPHER_CCMP; 1833 bss_params.wpa_group = WPA_CIPHER_CCMP; 1834 bss_params.ieee802_1x = 1; 1835 1836 if (atheros_set_privacy(priv, 1) || 1837 set80211param(priv, IEEE80211_PARAM_OSEN, 1)) 1838 return -1; 1839 1840 return atheros_set_ieee8021x(priv, &bss_params); 1841 } 1842#endif /* CONFIG_HS20 && IEEE80211_PARAM_OSEN */ 1843 1844 return 0; 1845} 1846 1847 1848#if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) 1849 1850static int atheros_send_mgmt(void *priv, const u8 *frm, size_t data_len, 1851 int noack, unsigned int freq, 1852 const u16 *csa_offs, size_t csa_offs_len) 1853{ 1854 struct atheros_driver_data *drv = priv; 1855 u8 buf[1510]; 1856 const struct ieee80211_mgmt *mgmt; 1857 struct ieee80211req_mgmtbuf *mgmt_frm; 1858 1859 mgmt = (const struct ieee80211_mgmt *) frm; 1860 wpa_printf(MSG_DEBUG, "%s frmlen = %lu " MACSTR, __func__, 1861 (unsigned long) data_len, MAC2STR(mgmt->da)); 1862 mgmt_frm = (struct ieee80211req_mgmtbuf *) buf; 1863 os_memcpy(mgmt_frm->macaddr, (u8 *)mgmt->da, IEEE80211_ADDR_LEN); 1864 mgmt_frm->buflen = data_len; 1865 if (&mgmt_frm->buf[0] + data_len > buf + sizeof(buf)) { 1866 wpa_printf(MSG_INFO, "atheros: Too long frame for " 1867 "atheros_send_mgmt (%u)", (unsigned int) data_len); 1868 return -1; 1869 } 1870 os_memcpy(&mgmt_frm->buf[0], frm, data_len); 1871 return set80211priv(drv, IEEE80211_IOCTL_SEND_MGMT, mgmt_frm, 1872 sizeof(struct ieee80211req_mgmtbuf) + data_len); 1873} 1874#endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */ 1875 1876 1877#ifdef CONFIG_IEEE80211R 1878 1879static int atheros_add_tspec(void *priv, const u8 *addr, u8 *tspec_ie, 1880 size_t tspec_ielen) 1881{ 1882 struct atheros_driver_data *drv = priv; 1883 int retv; 1884 struct ieee80211req_res req; 1885 struct ieee80211req_res_addts *addts = &req.u.addts; 1886 1887 wpa_printf(MSG_DEBUG, "%s", __func__); 1888 req.type = IEEE80211_RESREQ_ADDTS; 1889 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN); 1890 os_memcpy(addts->tspecie, tspec_ie, tspec_ielen); 1891 retv = set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req, 1892 sizeof(struct ieee80211req_res)); 1893 if (retv < 0) { 1894 wpa_printf(MSG_DEBUG, "%s IEEE80211_IOCTL_RES_REQ FAILED " 1895 "retv = %d", __func__, retv); 1896 return -1; 1897 } 1898 os_memcpy(tspec_ie, addts->tspecie, tspec_ielen); 1899 return addts->status; 1900} 1901 1902 1903static int atheros_add_sta_node(void *priv, const u8 *addr, u16 auth_alg) 1904{ 1905 struct atheros_driver_data *drv = priv; 1906 struct ieee80211req_res req; 1907 struct ieee80211req_res_addnode *addnode = &req.u.addnode; 1908 1909 wpa_printf(MSG_DEBUG, "%s", __func__); 1910 req.type = IEEE80211_RESREQ_ADDNODE; 1911 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN); 1912 addnode->auth_alg = auth_alg; 1913 return set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req, 1914 sizeof(struct ieee80211req_res)); 1915} 1916 1917#endif /* CONFIG_IEEE80211R */ 1918 1919 1920/* Use only to set a big param, get will not work. */ 1921static int 1922set80211big(struct atheros_driver_data *drv, int op, const void *data, int len) 1923{ 1924 struct iwreq iwr; 1925 1926 os_memset(&iwr, 0, sizeof(iwr)); 1927 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ); 1928 1929 iwr.u.data.pointer = (void *) data; 1930 iwr.u.data.length = len; 1931 iwr.u.data.flags = op; 1932 wpa_printf(MSG_DEBUG, "%s: op=0x%x=%d (%s) len=0x%x", 1933 __func__, op, op, athr_get_param_name(op), len); 1934 1935 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) < 0) { 1936 wpa_printf(MSG_DEBUG, "%s: op=0x%x (%s) subop=0x%x=%d " 1937 "value=0x%x,0x%x failed: %d (%s)", 1938 __func__, op, athr_get_ioctl_name(op), iwr.u.mode, 1939 iwr.u.mode, iwr.u.data.length, 1940 iwr.u.data.flags, errno, strerror(errno)); 1941 return -1; 1942 } 1943 return 0; 1944} 1945 1946 1947static int atheros_send_action(void *priv, unsigned int freq, 1948 unsigned int wait, 1949 const u8 *dst, const u8 *src, 1950 const u8 *bssid, 1951 const u8 *data, size_t data_len, int no_cck) 1952{ 1953 struct atheros_driver_data *drv = priv; 1954 struct ieee80211_p2p_send_action *act; 1955 int res; 1956 1957 act = os_zalloc(sizeof(*act) + data_len); 1958 if (act == NULL) 1959 return -1; 1960 act->freq = freq; 1961 os_memcpy(act->dst_addr, dst, ETH_ALEN); 1962 os_memcpy(act->src_addr, src, ETH_ALEN); 1963 os_memcpy(act->bssid, bssid, ETH_ALEN); 1964 os_memcpy(act + 1, data, data_len); 1965 wpa_printf(MSG_DEBUG, "%s: freq=%d, wait=%u, dst=" MACSTR ", src=" 1966 MACSTR ", bssid=" MACSTR, 1967 __func__, act->freq, wait, MAC2STR(act->dst_addr), 1968 MAC2STR(act->src_addr), MAC2STR(act->bssid)); 1969 wpa_hexdump(MSG_MSGDUMP, "athr: act", (u8 *) act, sizeof(*act)); 1970 wpa_hexdump(MSG_MSGDUMP, "athr: data", data, data_len); 1971 1972 res = set80211big(drv, IEEE80211_IOC_P2P_SEND_ACTION, 1973 act, sizeof(*act) + data_len); 1974 os_free(act); 1975 return res; 1976} 1977 1978 1979#if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM) 1980static int athr_wnm_tfs(struct atheros_driver_data *drv, const u8* peer, 1981 u8 *ie, u16 *len, enum wnm_oper oper) 1982{ 1983#define IEEE80211_APPIE_MAX 1024 /* max appie buffer size */ 1984 u8 buf[IEEE80211_APPIE_MAX]; 1985 struct ieee80211req_getset_appiebuf *tfs_ie; 1986 u16 val; 1987 1988 wpa_printf(MSG_DEBUG, "atheros: ifname=%s, WNM TFS IE oper=%d " MACSTR, 1989 drv->iface, oper, MAC2STR(peer)); 1990 1991 switch (oper) { 1992 case WNM_SLEEP_TFS_REQ_IE_SET: 1993 if (*len > IEEE80211_APPIE_MAX - 1994 sizeof(struct ieee80211req_getset_appiebuf)) { 1995 wpa_printf(MSG_DEBUG, "TFS Req IE(s) too large"); 1996 return -1; 1997 } 1998 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 1999 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 2000 tfs_ie->app_buflen = ETH_ALEN + 2 + 2 + *len; 2001 2002 /* Command header for driver */ 2003 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 2004 val = oper; 2005 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 2006 val = *len; 2007 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 2008 2009 /* copy the ie */ 2010 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2 + 2, ie, *len); 2011 2012 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie, 2013 IEEE80211_APPIE_MAX)) { 2014 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: " 2015 "%s", __func__, strerror(errno)); 2016 return -1; 2017 } 2018 break; 2019 case WNM_SLEEP_TFS_RESP_IE_ADD: 2020 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 2021 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 2022 tfs_ie->app_buflen = IEEE80211_APPIE_MAX - 2023 sizeof(struct ieee80211req_getset_appiebuf); 2024 /* Command header for driver */ 2025 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 2026 val = oper; 2027 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 2028 val = 0; 2029 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 2030 2031 if (set80211priv(drv, IEEE80211_IOCTL_GET_APPIEBUF, tfs_ie, 2032 IEEE80211_APPIE_MAX)) { 2033 wpa_printf(MSG_DEBUG, "%s: Failed to get WNM TFS IE: " 2034 "%s", __func__, strerror(errno)); 2035 return -1; 2036 } 2037 2038 *len = tfs_ie->app_buflen; 2039 os_memcpy(ie, &(tfs_ie->app_buf[0]), *len); 2040 wpa_printf(MSG_DEBUG, "atheros: %c len=%d", tfs_ie->app_buf[0], 2041 *len); 2042 break; 2043 case WNM_SLEEP_TFS_RESP_IE_NONE: 2044 *len = 0; 2045 break; 2046 case WNM_SLEEP_TFS_IE_DEL: 2047 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf; 2048 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM; 2049 tfs_ie->app_buflen = IEEE80211_APPIE_MAX - 2050 sizeof(struct ieee80211req_getset_appiebuf); 2051 /* Command header for driver */ 2052 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN); 2053 val = oper; 2054 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2); 2055 val = 0; 2056 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2); 2057 2058 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie, 2059 IEEE80211_APPIE_MAX)) { 2060 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: " 2061 "%s", __func__, strerror(errno)); 2062 return -1; 2063 } 2064 break; 2065 default: 2066 wpa_printf(MSG_DEBUG, "Unsupported TFS oper %d", oper); 2067 break; 2068 } 2069 2070 return 0; 2071} 2072 2073 2074static int atheros_wnm_sleep(struct atheros_driver_data *drv, 2075 const u8 *peer, enum wnm_oper oper) 2076{ 2077 u8 *data, *pos; 2078 size_t dlen; 2079 int ret; 2080 u16 val; 2081 2082 wpa_printf(MSG_DEBUG, "atheros: WNM-Sleep Oper %d, " MACSTR, 2083 oper, MAC2STR(peer)); 2084 2085 dlen = ETH_ALEN + 2 + 2; 2086 data = os_malloc(dlen); 2087 if (data == NULL) 2088 return -1; 2089 2090 /* Command header for driver */ 2091 pos = data; 2092 os_memcpy(pos, peer, ETH_ALEN); 2093 pos += ETH_ALEN; 2094 2095 val = oper; 2096 os_memcpy(pos, &val, 2); 2097 pos += 2; 2098 2099 val = 0; 2100 os_memcpy(pos, &val, 2); 2101 2102 ret = atheros_set_wps_ie(drv, data, dlen, IEEE80211_APPIE_FRAME_WNM); 2103 2104 os_free(data); 2105 2106 return ret; 2107} 2108 2109 2110static int atheros_wnm_oper(void *priv, enum wnm_oper oper, const u8 *peer, 2111 u8 *buf, u16 *buf_len) 2112{ 2113 struct atheros_driver_data *drv = priv; 2114 2115 switch (oper) { 2116 case WNM_SLEEP_ENTER_CONFIRM: 2117 case WNM_SLEEP_ENTER_FAIL: 2118 case WNM_SLEEP_EXIT_CONFIRM: 2119 case WNM_SLEEP_EXIT_FAIL: 2120 return atheros_wnm_sleep(drv, peer, oper); 2121 case WNM_SLEEP_TFS_REQ_IE_SET: 2122 case WNM_SLEEP_TFS_RESP_IE_ADD: 2123 case WNM_SLEEP_TFS_RESP_IE_NONE: 2124 case WNM_SLEEP_TFS_IE_DEL: 2125 return athr_wnm_tfs(drv, peer, buf, buf_len, oper); 2126 default: 2127 wpa_printf(MSG_DEBUG, "atheros: Unsupported WNM operation %d", 2128 oper); 2129 return -1; 2130 } 2131} 2132#endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */ 2133 2134 2135const struct wpa_driver_ops wpa_driver_atheros_ops = { 2136 .name = "atheros", 2137 .hapd_init = atheros_init, 2138 .hapd_deinit = atheros_deinit, 2139 .set_ieee8021x = atheros_set_ieee8021x, 2140 .set_privacy = atheros_set_privacy, 2141 .set_key = atheros_set_key, 2142 .get_seqnum = atheros_get_seqnum, 2143 .flush = atheros_flush, 2144 .set_generic_elem = atheros_set_opt_ie, 2145 .sta_set_flags = atheros_sta_set_flags, 2146 .read_sta_data = atheros_read_sta_driver_data, 2147 .hapd_send_eapol = atheros_send_eapol, 2148 .sta_disassoc = atheros_sta_disassoc, 2149 .sta_deauth = atheros_sta_deauth, 2150 .hapd_set_ssid = atheros_set_ssid, 2151 .hapd_get_ssid = atheros_get_ssid, 2152 .set_countermeasures = atheros_set_countermeasures, 2153 .sta_clear_stats = atheros_sta_clear_stats, 2154 .commit = atheros_commit, 2155 .set_ap_wps_ie = atheros_set_ap_wps_ie, 2156 .set_authmode = atheros_set_authmode, 2157 .set_ap = atheros_set_ap, 2158#if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) 2159 .sta_assoc = atheros_sta_assoc, 2160 .sta_auth = atheros_sta_auth, 2161 .send_mlme = atheros_send_mgmt, 2162#endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */ 2163#ifdef CONFIG_IEEE80211R 2164 .add_tspec = atheros_add_tspec, 2165 .add_sta_node = atheros_add_sta_node, 2166#endif /* CONFIG_IEEE80211R */ 2167 .send_action = atheros_send_action, 2168#if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM) 2169 .wnm_oper = atheros_wnm_oper, 2170#endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */ 2171 .set_qos_map = atheros_set_qos_map, 2172}; 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