1bdcd8170SKalle Valo /* 2bdcd8170SKalle Valo * Copyright (c) 2004-2011 Atheros Communications Inc. 3bdcd8170SKalle Valo * 4bdcd8170SKalle Valo * Permission to use, copy, modify, and/or distribute this software for any 5bdcd8170SKalle Valo * purpose with or without fee is hereby granted, provided that the above 6bdcd8170SKalle Valo * copyright notice and this permission notice appear in all copies. 7bdcd8170SKalle Valo * 8bdcd8170SKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9bdcd8170SKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10bdcd8170SKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11bdcd8170SKalle Valo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12bdcd8170SKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13bdcd8170SKalle Valo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14bdcd8170SKalle Valo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15bdcd8170SKalle Valo */ 16bdcd8170SKalle Valo 17bdcd8170SKalle Valo #include "core.h" 18bdcd8170SKalle Valo #include "hif-ops.h" 19bdcd8170SKalle Valo #include "cfg80211.h" 20bdcd8170SKalle Valo #include "target.h" 21bdcd8170SKalle Valo #include "debug.h" 22bdcd8170SKalle Valo 236765d0aaSVasanthakumar Thiagarajan struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr) 24bdcd8170SKalle Valo { 256765d0aaSVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 26bdcd8170SKalle Valo struct ath6kl_sta *conn = NULL; 27bdcd8170SKalle Valo u8 i, max_conn; 28bdcd8170SKalle Valo 29f5938f24SVasanthakumar Thiagarajan max_conn = (vif->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0; 30bdcd8170SKalle Valo 31bdcd8170SKalle Valo for (i = 0; i < max_conn; i++) { 32bdcd8170SKalle Valo if (memcmp(node_addr, ar->sta_list[i].mac, ETH_ALEN) == 0) { 33bdcd8170SKalle Valo conn = &ar->sta_list[i]; 34bdcd8170SKalle Valo break; 35bdcd8170SKalle Valo } 36bdcd8170SKalle Valo } 37bdcd8170SKalle Valo 38bdcd8170SKalle Valo return conn; 39bdcd8170SKalle Valo } 40bdcd8170SKalle Valo 41bdcd8170SKalle Valo struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid) 42bdcd8170SKalle Valo { 43bdcd8170SKalle Valo struct ath6kl_sta *conn = NULL; 44bdcd8170SKalle Valo u8 ctr; 45bdcd8170SKalle Valo 46bdcd8170SKalle Valo for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { 47bdcd8170SKalle Valo if (ar->sta_list[ctr].aid == aid) { 48bdcd8170SKalle Valo conn = &ar->sta_list[ctr]; 49bdcd8170SKalle Valo break; 50bdcd8170SKalle Valo } 51bdcd8170SKalle Valo } 52bdcd8170SKalle Valo return conn; 53bdcd8170SKalle Valo } 54bdcd8170SKalle Valo 55bdcd8170SKalle Valo static void ath6kl_add_new_sta(struct ath6kl *ar, u8 *mac, u16 aid, u8 *wpaie, 56bdcd8170SKalle Valo u8 ielen, u8 keymgmt, u8 ucipher, u8 auth) 57bdcd8170SKalle Valo { 58bdcd8170SKalle Valo struct ath6kl_sta *sta; 59bdcd8170SKalle Valo u8 free_slot; 60bdcd8170SKalle Valo 61bdcd8170SKalle Valo free_slot = aid - 1; 62bdcd8170SKalle Valo 63bdcd8170SKalle Valo sta = &ar->sta_list[free_slot]; 64bdcd8170SKalle Valo memcpy(sta->mac, mac, ETH_ALEN); 653c774bbaSJouni Malinen if (ielen <= ATH6KL_MAX_IE) 66bdcd8170SKalle Valo memcpy(sta->wpa_ie, wpaie, ielen); 67bdcd8170SKalle Valo sta->aid = aid; 68bdcd8170SKalle Valo sta->keymgmt = keymgmt; 69bdcd8170SKalle Valo sta->ucipher = ucipher; 70bdcd8170SKalle Valo sta->auth = auth; 71bdcd8170SKalle Valo 72bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index | (1 << free_slot); 73bdcd8170SKalle Valo ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid); 74bdcd8170SKalle Valo } 75bdcd8170SKalle Valo 76bdcd8170SKalle Valo static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i) 77bdcd8170SKalle Valo { 78bdcd8170SKalle Valo struct ath6kl_sta *sta = &ar->sta_list[i]; 79bdcd8170SKalle Valo 80bdcd8170SKalle Valo /* empty the queued pkts in the PS queue if any */ 81bdcd8170SKalle Valo spin_lock_bh(&sta->psq_lock); 82bdcd8170SKalle Valo skb_queue_purge(&sta->psq); 83bdcd8170SKalle Valo spin_unlock_bh(&sta->psq_lock); 84bdcd8170SKalle Valo 85bdcd8170SKalle Valo memset(&ar->ap_stats.sta[sta->aid - 1], 0, 86bdcd8170SKalle Valo sizeof(struct wmi_per_sta_stat)); 87bdcd8170SKalle Valo memset(sta->mac, 0, ETH_ALEN); 88bdcd8170SKalle Valo memset(sta->wpa_ie, 0, ATH6KL_MAX_IE); 89bdcd8170SKalle Valo sta->aid = 0; 90bdcd8170SKalle Valo sta->sta_flags = 0; 91bdcd8170SKalle Valo 92bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index & ~(1 << i); 93bdcd8170SKalle Valo 94bdcd8170SKalle Valo } 95bdcd8170SKalle Valo 96bdcd8170SKalle Valo static u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason) 97bdcd8170SKalle Valo { 98bdcd8170SKalle Valo u8 i, removed = 0; 99bdcd8170SKalle Valo 100bdcd8170SKalle Valo if (is_zero_ether_addr(mac)) 101bdcd8170SKalle Valo return removed; 102bdcd8170SKalle Valo 103bdcd8170SKalle Valo if (is_broadcast_ether_addr(mac)) { 104bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "deleting all station\n"); 105bdcd8170SKalle Valo 106bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 107bdcd8170SKalle Valo if (!is_zero_ether_addr(ar->sta_list[i].mac)) { 108bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 109bdcd8170SKalle Valo removed = 1; 110bdcd8170SKalle Valo } 111bdcd8170SKalle Valo } 112bdcd8170SKalle Valo } else { 113bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 114bdcd8170SKalle Valo if (memcmp(ar->sta_list[i].mac, mac, ETH_ALEN) == 0) { 115bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 116bdcd8170SKalle Valo "deleting station %pM aid=%d reason=%d\n", 117bdcd8170SKalle Valo mac, ar->sta_list[i].aid, reason); 118bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 119bdcd8170SKalle Valo removed = 1; 120bdcd8170SKalle Valo break; 121bdcd8170SKalle Valo } 122bdcd8170SKalle Valo } 123bdcd8170SKalle Valo } 124bdcd8170SKalle Valo 125bdcd8170SKalle Valo return removed; 126bdcd8170SKalle Valo } 127bdcd8170SKalle Valo 128bdcd8170SKalle Valo enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac) 129bdcd8170SKalle Valo { 130bdcd8170SKalle Valo struct ath6kl *ar = devt; 131bdcd8170SKalle Valo return ar->ac2ep_map[ac]; 132bdcd8170SKalle Valo } 133bdcd8170SKalle Valo 134bdcd8170SKalle Valo struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar) 135bdcd8170SKalle Valo { 136bdcd8170SKalle Valo struct ath6kl_cookie *cookie; 137bdcd8170SKalle Valo 138bdcd8170SKalle Valo cookie = ar->cookie_list; 139bdcd8170SKalle Valo if (cookie != NULL) { 140bdcd8170SKalle Valo ar->cookie_list = cookie->arc_list_next; 141bdcd8170SKalle Valo ar->cookie_count--; 142bdcd8170SKalle Valo } 143bdcd8170SKalle Valo 144bdcd8170SKalle Valo return cookie; 145bdcd8170SKalle Valo } 146bdcd8170SKalle Valo 147bdcd8170SKalle Valo void ath6kl_cookie_init(struct ath6kl *ar) 148bdcd8170SKalle Valo { 149bdcd8170SKalle Valo u32 i; 150bdcd8170SKalle Valo 151bdcd8170SKalle Valo ar->cookie_list = NULL; 152bdcd8170SKalle Valo ar->cookie_count = 0; 153bdcd8170SKalle Valo 154bdcd8170SKalle Valo memset(ar->cookie_mem, 0, sizeof(ar->cookie_mem)); 155bdcd8170SKalle Valo 156bdcd8170SKalle Valo for (i = 0; i < MAX_COOKIE_NUM; i++) 157bdcd8170SKalle Valo ath6kl_free_cookie(ar, &ar->cookie_mem[i]); 158bdcd8170SKalle Valo } 159bdcd8170SKalle Valo 160bdcd8170SKalle Valo void ath6kl_cookie_cleanup(struct ath6kl *ar) 161bdcd8170SKalle Valo { 162bdcd8170SKalle Valo ar->cookie_list = NULL; 163bdcd8170SKalle Valo ar->cookie_count = 0; 164bdcd8170SKalle Valo } 165bdcd8170SKalle Valo 166bdcd8170SKalle Valo void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie) 167bdcd8170SKalle Valo { 168bdcd8170SKalle Valo /* Insert first */ 169bdcd8170SKalle Valo 170bdcd8170SKalle Valo if (!ar || !cookie) 171bdcd8170SKalle Valo return; 172bdcd8170SKalle Valo 173bdcd8170SKalle Valo cookie->arc_list_next = ar->cookie_list; 174bdcd8170SKalle Valo ar->cookie_list = cookie; 175bdcd8170SKalle Valo ar->cookie_count++; 176bdcd8170SKalle Valo } 177bdcd8170SKalle Valo 178bdcd8170SKalle Valo /* 179addb44beSKalle Valo * Read from the hardware through its diagnostic window. No cooperation 180addb44beSKalle Valo * from the firmware is required for this. 181bdcd8170SKalle Valo */ 182addb44beSKalle Valo int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value) 183bdcd8170SKalle Valo { 184addb44beSKalle Valo int ret; 185bdcd8170SKalle Valo 186c7111495SKalle Valo ret = ath6kl_hif_diag_read32(ar, address, value); 187addb44beSKalle Valo if (ret) { 188addb44beSKalle Valo ath6kl_warn("failed to read32 through diagnose window: %d\n", 189addb44beSKalle Valo ret); 190addb44beSKalle Valo return ret; 191bdcd8170SKalle Valo } 192bdcd8170SKalle Valo 193addb44beSKalle Valo return 0; 194bdcd8170SKalle Valo } 195bdcd8170SKalle Valo 196bdcd8170SKalle Valo /* 197bdcd8170SKalle Valo * Write to the ATH6KL through its diagnostic window. No cooperation from 198bdcd8170SKalle Valo * the Target is required for this. 199bdcd8170SKalle Valo */ 200f9ea0753SVasanthakumar Thiagarajan int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value) 201bdcd8170SKalle Valo { 202addb44beSKalle Valo int ret; 203bdcd8170SKalle Valo 204c7111495SKalle Valo ret = ath6kl_hif_diag_write32(ar, address, value); 205c7111495SKalle Valo 206addb44beSKalle Valo if (ret) { 207addb44beSKalle Valo ath6kl_err("failed to write 0x%x during diagnose window to 0x%d\n", 208addb44beSKalle Valo address, value); 209addb44beSKalle Valo return ret; 210bdcd8170SKalle Valo } 211bdcd8170SKalle Valo 212c7111495SKalle Valo return 0; 213bdcd8170SKalle Valo } 214bdcd8170SKalle Valo 215addb44beSKalle Valo int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length) 216bdcd8170SKalle Valo { 217addb44beSKalle Valo u32 count, *buf = data; 218addb44beSKalle Valo int ret; 219bdcd8170SKalle Valo 220addb44beSKalle Valo if (WARN_ON(length % 4)) 221addb44beSKalle Valo return -EINVAL; 222addb44beSKalle Valo 223addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 224addb44beSKalle Valo ret = ath6kl_diag_read32(ar, address, &buf[count]); 225addb44beSKalle Valo if (ret) 226addb44beSKalle Valo return ret; 227bdcd8170SKalle Valo } 228bdcd8170SKalle Valo 229addb44beSKalle Valo return 0; 230addb44beSKalle Valo } 231addb44beSKalle Valo 232addb44beSKalle Valo int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length) 233addb44beSKalle Valo { 234f9ea0753SVasanthakumar Thiagarajan u32 count; 235f9ea0753SVasanthakumar Thiagarajan __le32 *buf = data; 236addb44beSKalle Valo int ret; 237addb44beSKalle Valo 238addb44beSKalle Valo if (WARN_ON(length % 4)) 239addb44beSKalle Valo return -EINVAL; 240addb44beSKalle Valo 241addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 242addb44beSKalle Valo ret = ath6kl_diag_write32(ar, address, buf[count]); 243addb44beSKalle Valo if (ret) 244addb44beSKalle Valo return ret; 245addb44beSKalle Valo } 246addb44beSKalle Valo 247addb44beSKalle Valo return 0; 248bdcd8170SKalle Valo } 249bdcd8170SKalle Valo 250bc07ddb2SKalle Valo int ath6kl_read_fwlogs(struct ath6kl *ar) 251bc07ddb2SKalle Valo { 252bc07ddb2SKalle Valo struct ath6kl_dbglog_hdr debug_hdr; 253bc07ddb2SKalle Valo struct ath6kl_dbglog_buf debug_buf; 254bc07ddb2SKalle Valo u32 address, length, dropped, firstbuf, debug_hdr_addr; 255bc07ddb2SKalle Valo int ret = 0, loop; 256bc07ddb2SKalle Valo u8 *buf; 257bc07ddb2SKalle Valo 258bc07ddb2SKalle Valo buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL); 259bc07ddb2SKalle Valo if (!buf) 260bc07ddb2SKalle Valo return -ENOMEM; 261bc07ddb2SKalle Valo 262bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 263bc07ddb2SKalle Valo ath6kl_get_hi_item_addr(ar, 264bc07ddb2SKalle Valo HI_ITEM(hi_dbglog_hdr))); 265bc07ddb2SKalle Valo 266bc07ddb2SKalle Valo ret = ath6kl_diag_read32(ar, address, &debug_hdr_addr); 267bc07ddb2SKalle Valo if (ret) 268bc07ddb2SKalle Valo goto out; 269bc07ddb2SKalle Valo 270bc07ddb2SKalle Valo /* Get the contents of the ring buffer */ 271bc07ddb2SKalle Valo if (debug_hdr_addr == 0) { 272bc07ddb2SKalle Valo ath6kl_warn("Invalid address for debug_hdr_addr\n"); 273bc07ddb2SKalle Valo ret = -EINVAL; 274bc07ddb2SKalle Valo goto out; 275bc07ddb2SKalle Valo } 276bc07ddb2SKalle Valo 277bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, debug_hdr_addr); 278bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr)); 279bc07ddb2SKalle Valo 280bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 281bc07ddb2SKalle Valo le32_to_cpu(debug_hdr.dbuf_addr)); 282bc07ddb2SKalle Valo firstbuf = address; 283bc07ddb2SKalle Valo dropped = le32_to_cpu(debug_hdr.dropped); 284bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 285bc07ddb2SKalle Valo 286bc07ddb2SKalle Valo loop = 100; 287bc07ddb2SKalle Valo 288bc07ddb2SKalle Valo do { 289bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 290bc07ddb2SKalle Valo le32_to_cpu(debug_buf.buffer_addr)); 291bc07ddb2SKalle Valo length = le32_to_cpu(debug_buf.length); 292bc07ddb2SKalle Valo 293bc07ddb2SKalle Valo if (length != 0 && (le32_to_cpu(debug_buf.length) <= 294bc07ddb2SKalle Valo le32_to_cpu(debug_buf.bufsize))) { 295bc07ddb2SKalle Valo length = ALIGN(length, 4); 296bc07ddb2SKalle Valo 297bc07ddb2SKalle Valo ret = ath6kl_diag_read(ar, address, 298bc07ddb2SKalle Valo buf, length); 299bc07ddb2SKalle Valo if (ret) 300bc07ddb2SKalle Valo goto out; 301bc07ddb2SKalle Valo 302bc07ddb2SKalle Valo ath6kl_debug_fwlog_event(ar, buf, length); 303bc07ddb2SKalle Valo } 304bc07ddb2SKalle Valo 305bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 306bc07ddb2SKalle Valo le32_to_cpu(debug_buf.next)); 307bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 308bc07ddb2SKalle Valo if (ret) 309bc07ddb2SKalle Valo goto out; 310bc07ddb2SKalle Valo 311bc07ddb2SKalle Valo loop--; 312bc07ddb2SKalle Valo 313bc07ddb2SKalle Valo if (WARN_ON(loop == 0)) { 314bc07ddb2SKalle Valo ret = -ETIMEDOUT; 315bc07ddb2SKalle Valo goto out; 316bc07ddb2SKalle Valo } 317bc07ddb2SKalle Valo } while (address != firstbuf); 318bc07ddb2SKalle Valo 319bc07ddb2SKalle Valo out: 320bc07ddb2SKalle Valo kfree(buf); 321bc07ddb2SKalle Valo 322bc07ddb2SKalle Valo return ret; 323bc07ddb2SKalle Valo } 324bc07ddb2SKalle Valo 32531024d99SKevin Fang /* FIXME: move to a better place, target.h? */ 32631024d99SKevin Fang #define AR6003_RESET_CONTROL_ADDRESS 0x00004000 32731024d99SKevin Fang #define AR6004_RESET_CONTROL_ADDRESS 0x00004000 32831024d99SKevin Fang 3296db8fa53SVasanthakumar Thiagarajan void ath6kl_reset_device(struct ath6kl *ar, u32 target_type, 330bdcd8170SKalle Valo bool wait_fot_compltn, bool cold_reset) 331bdcd8170SKalle Valo { 332bdcd8170SKalle Valo int status = 0; 333bdcd8170SKalle Valo u32 address; 334f9ea0753SVasanthakumar Thiagarajan __le32 data; 335bdcd8170SKalle Valo 33631024d99SKevin Fang if (target_type != TARGET_TYPE_AR6003 && 33731024d99SKevin Fang target_type != TARGET_TYPE_AR6004) 338bdcd8170SKalle Valo return; 339bdcd8170SKalle Valo 340f9ea0753SVasanthakumar Thiagarajan data = cold_reset ? cpu_to_le32(RESET_CONTROL_COLD_RST) : 341f9ea0753SVasanthakumar Thiagarajan cpu_to_le32(RESET_CONTROL_MBOX_RST); 342bdcd8170SKalle Valo 34331024d99SKevin Fang switch (target_type) { 34431024d99SKevin Fang case TARGET_TYPE_AR6003: 34531024d99SKevin Fang address = AR6003_RESET_CONTROL_ADDRESS; 34631024d99SKevin Fang break; 34731024d99SKevin Fang case TARGET_TYPE_AR6004: 34831024d99SKevin Fang address = AR6004_RESET_CONTROL_ADDRESS; 34931024d99SKevin Fang break; 35031024d99SKevin Fang default: 35131024d99SKevin Fang address = AR6003_RESET_CONTROL_ADDRESS; 35231024d99SKevin Fang break; 35331024d99SKevin Fang } 35431024d99SKevin Fang 355addb44beSKalle Valo status = ath6kl_diag_write32(ar, address, data); 356bdcd8170SKalle Valo 357bdcd8170SKalle Valo if (status) 358bdcd8170SKalle Valo ath6kl_err("failed to reset target\n"); 359bdcd8170SKalle Valo } 360bdcd8170SKalle Valo 361240d2799SVasanthakumar Thiagarajan static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif) 362bdcd8170SKalle Valo { 363bdcd8170SKalle Valo u8 index; 364bdcd8170SKalle Valo u8 keyusage; 365bdcd8170SKalle Valo 366bdcd8170SKalle Valo for (index = WMI_MIN_KEY_INDEX; index <= WMI_MAX_KEY_INDEX; index++) { 3676f2a73f9SVasanthakumar Thiagarajan if (vif->wep_key_list[index].key_len) { 368bdcd8170SKalle Valo keyusage = GROUP_USAGE; 3693450334fSVasanthakumar Thiagarajan if (index == vif->def_txkey_index) 370bdcd8170SKalle Valo keyusage |= TX_USAGE; 371bdcd8170SKalle Valo 372240d2799SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(vif->ar->wmi, vif->fw_vif_idx, 373bdcd8170SKalle Valo index, 374bdcd8170SKalle Valo WEP_CRYPT, 375bdcd8170SKalle Valo keyusage, 3766f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key_len, 377f4bb9a6fSJouni Malinen NULL, 0, 3786f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key, 379bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 380bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 381bdcd8170SKalle Valo } 382bdcd8170SKalle Valo } 383bdcd8170SKalle Valo } 384bdcd8170SKalle Valo 385240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel) 386bdcd8170SKalle Valo { 387240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 388bdcd8170SKalle Valo struct ath6kl_req_key *ik; 3899a5b1318SJouni Malinen int res; 3909a5b1318SJouni Malinen u8 key_rsc[ATH6KL_KEY_SEQ_LEN]; 391bdcd8170SKalle Valo 392bdcd8170SKalle Valo ik = &ar->ap_mode_bkey; 393bdcd8170SKalle Valo 394572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel); 3959a5b1318SJouni Malinen 3963450334fSVasanthakumar Thiagarajan switch (vif->auth_mode) { 397bdcd8170SKalle Valo case NONE_AUTH: 3983450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 399240d2799SVasanthakumar Thiagarajan ath6kl_install_static_wep_keys(vif); 4004703290aSJouni Malinen if (!ik->valid || ik->key_type != WAPI_CRYPT) 401bdcd8170SKalle Valo break; 4024703290aSJouni Malinen /* for WAPI, we need to set the delayed group key, continue: */ 403bdcd8170SKalle Valo case WPA_PSK_AUTH: 404bdcd8170SKalle Valo case WPA2_PSK_AUTH: 405bdcd8170SKalle Valo case (WPA_PSK_AUTH | WPA2_PSK_AUTH): 4069a5b1318SJouni Malinen if (!ik->valid) 407bdcd8170SKalle Valo break; 4089a5b1318SJouni Malinen 4099a5b1318SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed addkey for " 4109a5b1318SJouni Malinen "the initial group key for AP mode\n"); 4119a5b1318SJouni Malinen memset(key_rsc, 0, sizeof(key_rsc)); 4129a5b1318SJouni Malinen res = ath6kl_wmi_addkey_cmd( 413334234b5SVasanthakumar Thiagarajan ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type, 414f4bb9a6fSJouni Malinen GROUP_USAGE, ik->key_len, key_rsc, ATH6KL_KEY_SEQ_LEN, 415f4bb9a6fSJouni Malinen ik->key, 4169a5b1318SJouni Malinen KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG); 4179a5b1318SJouni Malinen if (res) { 4189a5b1318SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed " 4199a5b1318SJouni Malinen "addkey failed: %d\n", res); 420bdcd8170SKalle Valo } 421bdcd8170SKalle Valo break; 422bdcd8170SKalle Valo } 4239a5b1318SJouni Malinen 424240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0); 42559c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 426240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 427bdcd8170SKalle Valo } 428bdcd8170SKalle Valo 429240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 430572e27c0SJouni Malinen u8 keymgmt, u8 ucipher, u8 auth, 431572e27c0SJouni Malinen u8 assoc_req_len, u8 *assoc_info) 432572e27c0SJouni Malinen { 433240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 434572e27c0SJouni Malinen u8 *ies = NULL, *wpa_ie = NULL, *pos; 435572e27c0SJouni Malinen size_t ies_len = 0; 436572e27c0SJouni Malinen struct station_info sinfo; 437572e27c0SJouni Malinen 438572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); 439bdcd8170SKalle Valo 4403c774bbaSJouni Malinen if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { 4413c774bbaSJouni Malinen struct ieee80211_mgmt *mgmt = 4423c774bbaSJouni Malinen (struct ieee80211_mgmt *) assoc_info; 4433c774bbaSJouni Malinen if (ieee80211_is_assoc_req(mgmt->frame_control) && 4443c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) + 4453c774bbaSJouni Malinen sizeof(mgmt->u.assoc_req)) { 4463c774bbaSJouni Malinen ies = mgmt->u.assoc_req.variable; 4473c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 4483c774bbaSJouni Malinen } else if (ieee80211_is_reassoc_req(mgmt->frame_control) && 4493c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) 4503c774bbaSJouni Malinen + sizeof(mgmt->u.reassoc_req)) { 4513c774bbaSJouni Malinen ies = mgmt->u.reassoc_req.variable; 4523c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 4533c774bbaSJouni Malinen } 4543c774bbaSJouni Malinen } 4553c774bbaSJouni Malinen 4563c774bbaSJouni Malinen pos = ies; 4573c774bbaSJouni Malinen while (pos && pos + 1 < ies + ies_len) { 4583c774bbaSJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 4593c774bbaSJouni Malinen break; 4603c774bbaSJouni Malinen if (pos[0] == WLAN_EID_RSN) 4613c774bbaSJouni Malinen wpa_ie = pos; /* RSN IE */ 4623c774bbaSJouni Malinen else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 4633c774bbaSJouni Malinen pos[1] >= 4 && 4643c774bbaSJouni Malinen pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) { 4653c774bbaSJouni Malinen if (pos[5] == 0x01) 4663c774bbaSJouni Malinen wpa_ie = pos; /* WPA IE */ 4673c774bbaSJouni Malinen else if (pos[5] == 0x04) { 4683c774bbaSJouni Malinen wpa_ie = pos; /* WPS IE */ 4693c774bbaSJouni Malinen break; /* overrides WPA/RSN IE */ 4703c774bbaSJouni Malinen } 47130677ae0SDai Shuibing } else if (pos[0] == 0x44 && wpa_ie == NULL) { 47230677ae0SDai Shuibing /* 47330677ae0SDai Shuibing * Note: WAPI Parameter Set IE re-uses Element ID that 47430677ae0SDai Shuibing * was officially allocated for BSS AC Access Delay. As 47530677ae0SDai Shuibing * such, we need to be a bit more careful on when 47630677ae0SDai Shuibing * parsing the frame. However, BSS AC Access Delay 47730677ae0SDai Shuibing * element is not supposed to be included in 47830677ae0SDai Shuibing * (Re)Association Request frames, so this should not 47930677ae0SDai Shuibing * cause problems. 48030677ae0SDai Shuibing */ 48130677ae0SDai Shuibing wpa_ie = pos; /* WAPI IE */ 48230677ae0SDai Shuibing break; 4833c774bbaSJouni Malinen } 4843c774bbaSJouni Malinen pos += 2 + pos[1]; 4853c774bbaSJouni Malinen } 4863c774bbaSJouni Malinen 487572e27c0SJouni Malinen ath6kl_add_new_sta(ar, mac_addr, aid, wpa_ie, 4883c774bbaSJouni Malinen wpa_ie ? 2 + wpa_ie[1] : 0, 489572e27c0SJouni Malinen keymgmt, ucipher, auth); 490bdcd8170SKalle Valo 491bdcd8170SKalle Valo /* send event to application */ 492bdcd8170SKalle Valo memset(&sinfo, 0, sizeof(sinfo)); 493bdcd8170SKalle Valo 494bdcd8170SKalle Valo /* TODO: sinfo.generation */ 4953c774bbaSJouni Malinen 4963c774bbaSJouni Malinen sinfo.assoc_req_ies = ies; 4973c774bbaSJouni Malinen sinfo.assoc_req_ies_len = ies_len; 4983c774bbaSJouni Malinen sinfo.filled |= STATION_INFO_ASSOC_REQ_IES; 4993c774bbaSJouni Malinen 500240d2799SVasanthakumar Thiagarajan cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL); 501bdcd8170SKalle Valo 502240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 503bdcd8170SKalle Valo } 504bdcd8170SKalle Valo 505bdcd8170SKalle Valo void disconnect_timer_handler(unsigned long ptr) 506bdcd8170SKalle Valo { 507bdcd8170SKalle Valo struct net_device *dev = (struct net_device *)ptr; 508334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 509bdcd8170SKalle Valo 510e29f25f5SVasanthakumar Thiagarajan ath6kl_init_profile_info(vif); 511240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 512bdcd8170SKalle Valo } 513bdcd8170SKalle Valo 514240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect(struct ath6kl_vif *vif) 515bdcd8170SKalle Valo { 51659c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) || 51759c98449SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) { 518240d2799SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 519bdcd8170SKalle Valo /* 520bdcd8170SKalle Valo * Disconnect command is issued, clear the connect pending 521bdcd8170SKalle Valo * flag. The connected flag will be cleared in 522bdcd8170SKalle Valo * disconnect event notification. 523bdcd8170SKalle Valo */ 52459c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 525bdcd8170SKalle Valo } 526bdcd8170SKalle Valo } 527bdcd8170SKalle Valo 528bdcd8170SKalle Valo /* WMI Event handlers */ 529bdcd8170SKalle Valo 530bdcd8170SKalle Valo void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver) 531bdcd8170SKalle Valo { 532bdcd8170SKalle Valo struct ath6kl *ar = devt; 533bdcd8170SKalle Valo 534d66ea4f9SVasanthakumar Thiagarajan memcpy(ar->mac_addr, datap, ETH_ALEN); 535bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "%s: mac addr = %pM\n", 536d66ea4f9SVasanthakumar Thiagarajan __func__, ar->mac_addr); 537bdcd8170SKalle Valo 538bdcd8170SKalle Valo ar->version.wlan_ver = sw_ver; 539bdcd8170SKalle Valo ar->version.abi_ver = abi_ver; 540bdcd8170SKalle Valo 541be98e3a4SVasanthakumar Thiagarajan snprintf(ar->wiphy->fw_version, 542be98e3a4SVasanthakumar Thiagarajan sizeof(ar->wiphy->fw_version), 543bdcd8170SKalle Valo "%u.%u.%u.%u", 544bdcd8170SKalle Valo (ar->version.wlan_ver & 0xf0000000) >> 28, 545bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0f000000) >> 24, 546bdcd8170SKalle Valo (ar->version.wlan_ver & 0x00ff0000) >> 16, 547bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0000ffff)); 548bdcd8170SKalle Valo 549bdcd8170SKalle Valo /* indicate to the waiting thread that the ready event was received */ 550bdcd8170SKalle Valo set_bit(WMI_READY, &ar->flag); 551bdcd8170SKalle Valo wake_up(&ar->event_wq); 5525fe4dffbSKalle Valo } 553bdcd8170SKalle Valo 554240d2799SVasanthakumar Thiagarajan void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status) 555bdcd8170SKalle Valo { 556240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 5571c17d313SKalle Valo bool aborted = false; 55859c98449SVasanthakumar Thiagarajan 5591c17d313SKalle Valo if (status != WMI_SCAN_STATUS_SUCCESS) 5601c17d313SKalle Valo aborted = true; 5611c17d313SKalle Valo 5621c17d313SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, aborted); 563bdcd8170SKalle Valo 564551185caSJouni Malinen if (!ar->usr_bss_filter) { 56559c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 566240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 567240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 568551185caSJouni Malinen } 569bdcd8170SKalle Valo 570d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status); 571bdcd8170SKalle Valo } 572bdcd8170SKalle Valo 573240d2799SVasanthakumar Thiagarajan void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid, 574bdcd8170SKalle Valo u16 listen_int, u16 beacon_int, 575bdcd8170SKalle Valo enum network_type net_type, u8 beacon_ie_len, 576bdcd8170SKalle Valo u8 assoc_req_len, u8 assoc_resp_len, 577bdcd8170SKalle Valo u8 *assoc_info) 578bdcd8170SKalle Valo { 579240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 58059c98449SVasanthakumar Thiagarajan 581240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_connect_event(vif, channel, bssid, 582bdcd8170SKalle Valo listen_int, beacon_int, 583bdcd8170SKalle Valo net_type, beacon_ie_len, 584bdcd8170SKalle Valo assoc_req_len, assoc_resp_len, 585bdcd8170SKalle Valo assoc_info); 586bdcd8170SKalle Valo 5878c8b65e3SVasanthakumar Thiagarajan memcpy(vif->bssid, bssid, sizeof(vif->bssid)); 588f74bac54SVasanthakumar Thiagarajan vif->bss_ch = channel; 589bdcd8170SKalle Valo 590f5938f24SVasanthakumar Thiagarajan if ((vif->nw_type == INFRA_NETWORK)) 591334234b5SVasanthakumar Thiagarajan ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 592334234b5SVasanthakumar Thiagarajan ar->listen_intvl_t, 593bdcd8170SKalle Valo ar->listen_intvl_b); 594bdcd8170SKalle Valo 595240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 596bdcd8170SKalle Valo 597bdcd8170SKalle Valo /* Update connect & link status atomically */ 598478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 59959c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 60059c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 601240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 602478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 603bdcd8170SKalle Valo 6042132c69cSVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt); 605cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 606bdcd8170SKalle Valo 607f5938f24SVasanthakumar Thiagarajan if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) { 608bdcd8170SKalle Valo memset(ar->node_map, 0, sizeof(ar->node_map)); 609bdcd8170SKalle Valo ar->node_num = 0; 610bdcd8170SKalle Valo ar->next_ep_id = ENDPOINT_2; 611bdcd8170SKalle Valo } 612bdcd8170SKalle Valo 613551185caSJouni Malinen if (!ar->usr_bss_filter) { 61459c98449SVasanthakumar Thiagarajan set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 615240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 616240d2799SVasanthakumar Thiagarajan CURRENT_BSS_FILTER, 0); 617551185caSJouni Malinen } 618bdcd8170SKalle Valo } 619bdcd8170SKalle Valo 620240d2799SVasanthakumar Thiagarajan void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast) 621bdcd8170SKalle Valo { 622bdcd8170SKalle Valo struct ath6kl_sta *sta; 623240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 624bdcd8170SKalle Valo u8 tsc[6]; 625240d2799SVasanthakumar Thiagarajan 626bdcd8170SKalle Valo /* 627bdcd8170SKalle Valo * For AP case, keyid will have aid of STA which sent pkt with 628bdcd8170SKalle Valo * MIC error. Use this aid to get MAC & send it to hostapd. 629bdcd8170SKalle Valo */ 630f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 631bdcd8170SKalle Valo sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2)); 632bdcd8170SKalle Valo if (!sta) 633bdcd8170SKalle Valo return; 634bdcd8170SKalle Valo 635bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 636bdcd8170SKalle Valo "ap tkip mic error received from aid=%d\n", keyid); 637bdcd8170SKalle Valo 638bdcd8170SKalle Valo memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */ 639240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, sta->mac, 640bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE, keyid, 641bdcd8170SKalle Valo tsc, GFP_KERNEL); 642bdcd8170SKalle Valo } else 643240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast); 644bdcd8170SKalle Valo 645bdcd8170SKalle Valo } 646bdcd8170SKalle Valo 647240d2799SVasanthakumar Thiagarajan static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len) 648bdcd8170SKalle Valo { 649bdcd8170SKalle Valo struct wmi_target_stats *tgt_stats = 650bdcd8170SKalle Valo (struct wmi_target_stats *) ptr; 651240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 652b95907a7SVasanthakumar Thiagarajan struct target_stats *stats = &vif->target_stats; 653bdcd8170SKalle Valo struct tkip_ccmp_stats *ccmp_stats; 654bdcd8170SKalle Valo u8 ac; 655bdcd8170SKalle Valo 656bdcd8170SKalle Valo if (len < sizeof(*tgt_stats)) 657bdcd8170SKalle Valo return; 658bdcd8170SKalle Valo 659bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n"); 660bdcd8170SKalle Valo 661bdcd8170SKalle Valo stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt); 662bdcd8170SKalle Valo stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte); 663bdcd8170SKalle Valo stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt); 664bdcd8170SKalle Valo stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte); 665bdcd8170SKalle Valo stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt); 666bdcd8170SKalle Valo stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte); 667bdcd8170SKalle Valo stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt); 668bdcd8170SKalle Valo stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte); 669bdcd8170SKalle Valo stats->tx_rts_success_cnt += 670bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt); 671bdcd8170SKalle Valo 672bdcd8170SKalle Valo for (ac = 0; ac < WMM_NUM_AC; ac++) 673bdcd8170SKalle Valo stats->tx_pkt_per_ac[ac] += 674bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]); 675bdcd8170SKalle Valo 676bdcd8170SKalle Valo stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err); 677bdcd8170SKalle Valo stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt); 678bdcd8170SKalle Valo stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt); 679bdcd8170SKalle Valo stats->tx_mult_retry_cnt += 680bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt); 681bdcd8170SKalle Valo stats->tx_rts_fail_cnt += 682bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt); 683bdcd8170SKalle Valo stats->tx_ucast_rate = 684bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate)); 685bdcd8170SKalle Valo 686bdcd8170SKalle Valo stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt); 687bdcd8170SKalle Valo stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte); 688bdcd8170SKalle Valo stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt); 689bdcd8170SKalle Valo stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte); 690bdcd8170SKalle Valo stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt); 691bdcd8170SKalle Valo stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte); 692bdcd8170SKalle Valo stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt); 693bdcd8170SKalle Valo stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte); 694bdcd8170SKalle Valo stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt); 695bdcd8170SKalle Valo stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err); 696bdcd8170SKalle Valo stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err); 697bdcd8170SKalle Valo stats->rx_key_cache_miss += 698bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.rx.key_cache_miss); 699bdcd8170SKalle Valo stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err); 700bdcd8170SKalle Valo stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame); 701bdcd8170SKalle Valo stats->rx_ucast_rate = 702bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate)); 703bdcd8170SKalle Valo 704bdcd8170SKalle Valo ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats; 705bdcd8170SKalle Valo 706bdcd8170SKalle Valo stats->tkip_local_mic_fail += 707bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_local_mic_fail); 708bdcd8170SKalle Valo stats->tkip_cnter_measures_invoked += 709bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked); 710bdcd8170SKalle Valo stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err); 711bdcd8170SKalle Valo 712bdcd8170SKalle Valo stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err); 713bdcd8170SKalle Valo stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays); 714bdcd8170SKalle Valo 715bdcd8170SKalle Valo stats->pwr_save_fail_cnt += 716bdcd8170SKalle Valo le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt); 717bdcd8170SKalle Valo stats->noise_floor_calib = 718bdcd8170SKalle Valo a_sle32_to_cpu(tgt_stats->noise_floor_calib); 719bdcd8170SKalle Valo 720bdcd8170SKalle Valo stats->cs_bmiss_cnt += 721bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt); 722bdcd8170SKalle Valo stats->cs_low_rssi_cnt += 723bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt); 724bdcd8170SKalle Valo stats->cs_connect_cnt += 725bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt); 726bdcd8170SKalle Valo stats->cs_discon_cnt += 727bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt); 728bdcd8170SKalle Valo 729bdcd8170SKalle Valo stats->cs_ave_beacon_rssi = 730bdcd8170SKalle Valo a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi); 731bdcd8170SKalle Valo 732bdcd8170SKalle Valo stats->cs_last_roam_msec = 733bdcd8170SKalle Valo tgt_stats->cserv_stats.cs_last_roam_msec; 734bdcd8170SKalle Valo stats->cs_snr = tgt_stats->cserv_stats.cs_snr; 735bdcd8170SKalle Valo stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi); 736bdcd8170SKalle Valo 737bdcd8170SKalle Valo stats->lq_val = le32_to_cpu(tgt_stats->lq_val); 738bdcd8170SKalle Valo 739bdcd8170SKalle Valo stats->wow_pkt_dropped += 740bdcd8170SKalle Valo le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped); 741bdcd8170SKalle Valo stats->wow_host_pkt_wakeups += 742bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_pkt_wakeups; 743bdcd8170SKalle Valo stats->wow_host_evt_wakeups += 744bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_evt_wakeups; 745bdcd8170SKalle Valo stats->wow_evt_discarded += 746bdcd8170SKalle Valo le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded); 747bdcd8170SKalle Valo 748b95907a7SVasanthakumar Thiagarajan if (test_bit(STATS_UPDATE_PEND, &vif->flags)) { 749b95907a7SVasanthakumar Thiagarajan clear_bit(STATS_UPDATE_PEND, &vif->flags); 750bdcd8170SKalle Valo wake_up(&ar->event_wq); 751bdcd8170SKalle Valo } 752bdcd8170SKalle Valo } 753bdcd8170SKalle Valo 754bdcd8170SKalle Valo static void ath6kl_add_le32(__le32 *var, __le32 val) 755bdcd8170SKalle Valo { 756bdcd8170SKalle Valo *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val)); 757bdcd8170SKalle Valo } 758bdcd8170SKalle Valo 759240d2799SVasanthakumar Thiagarajan void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len) 760bdcd8170SKalle Valo { 761bdcd8170SKalle Valo struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr; 762240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 763bdcd8170SKalle Valo struct wmi_ap_mode_stat *ap = &ar->ap_stats; 764bdcd8170SKalle Valo struct wmi_per_sta_stat *st_ap, *st_p; 765bdcd8170SKalle Valo u8 ac; 766bdcd8170SKalle Valo 767f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 768bdcd8170SKalle Valo if (len < sizeof(*p)) 769bdcd8170SKalle Valo return; 770bdcd8170SKalle Valo 771bdcd8170SKalle Valo for (ac = 0; ac < AP_MAX_NUM_STA; ac++) { 772bdcd8170SKalle Valo st_ap = &ap->sta[ac]; 773bdcd8170SKalle Valo st_p = &p->sta[ac]; 774bdcd8170SKalle Valo 775bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes); 776bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts); 777bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error); 778bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard); 779bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes); 780bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts); 781bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error); 782bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard); 783bdcd8170SKalle Valo } 784bdcd8170SKalle Valo 785bdcd8170SKalle Valo } else { 786240d2799SVasanthakumar Thiagarajan ath6kl_update_target_stats(vif, ptr, len); 787bdcd8170SKalle Valo } 788bdcd8170SKalle Valo } 789bdcd8170SKalle Valo 790bdcd8170SKalle Valo void ath6kl_wakeup_event(void *dev) 791bdcd8170SKalle Valo { 792bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) dev; 793bdcd8170SKalle Valo 794bdcd8170SKalle Valo wake_up(&ar->event_wq); 795bdcd8170SKalle Valo } 796bdcd8170SKalle Valo 797bdcd8170SKalle Valo void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr) 798bdcd8170SKalle Valo { 799bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) devt; 800bdcd8170SKalle Valo 801bdcd8170SKalle Valo ar->tx_pwr = tx_pwr; 802bdcd8170SKalle Valo wake_up(&ar->event_wq); 803bdcd8170SKalle Valo } 804bdcd8170SKalle Valo 805240d2799SVasanthakumar Thiagarajan void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid) 806bdcd8170SKalle Valo { 807bdcd8170SKalle Valo struct ath6kl_sta *conn; 808bdcd8170SKalle Valo struct sk_buff *skb; 809bdcd8170SKalle Valo bool psq_empty = false; 810240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 811bdcd8170SKalle Valo 812bdcd8170SKalle Valo conn = ath6kl_find_sta_by_aid(ar, aid); 813bdcd8170SKalle Valo 814bdcd8170SKalle Valo if (!conn) 815bdcd8170SKalle Valo return; 816bdcd8170SKalle Valo /* 817bdcd8170SKalle Valo * Send out a packet queued on ps queue. When the ps queue 818bdcd8170SKalle Valo * becomes empty update the PVB for this station. 819bdcd8170SKalle Valo */ 820bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 821bdcd8170SKalle Valo psq_empty = skb_queue_empty(&conn->psq); 822bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 823bdcd8170SKalle Valo 824bdcd8170SKalle Valo if (psq_empty) 825bdcd8170SKalle Valo /* TODO: Send out a NULL data frame */ 826bdcd8170SKalle Valo return; 827bdcd8170SKalle Valo 828bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 829bdcd8170SKalle Valo skb = skb_dequeue(&conn->psq); 830bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 831bdcd8170SKalle Valo 832bdcd8170SKalle Valo conn->sta_flags |= STA_PS_POLLED; 833240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 834bdcd8170SKalle Valo conn->sta_flags &= ~STA_PS_POLLED; 835bdcd8170SKalle Valo 836bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 837bdcd8170SKalle Valo psq_empty = skb_queue_empty(&conn->psq); 838bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 839bdcd8170SKalle Valo 840bdcd8170SKalle Valo if (psq_empty) 841334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0); 842bdcd8170SKalle Valo } 843bdcd8170SKalle Valo 844240d2799SVasanthakumar Thiagarajan void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif) 845bdcd8170SKalle Valo { 846bdcd8170SKalle Valo bool mcastq_empty = false; 847bdcd8170SKalle Valo struct sk_buff *skb; 848240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 849bdcd8170SKalle Valo 850bdcd8170SKalle Valo /* 851bdcd8170SKalle Valo * If there are no associated STAs, ignore the DTIM expiry event. 852bdcd8170SKalle Valo * There can be potential race conditions where the last associated 853bdcd8170SKalle Valo * STA may disconnect & before the host could clear the 'Indicate 854bdcd8170SKalle Valo * DTIM' request to the firmware, the firmware would have just 855bdcd8170SKalle Valo * indicated a DTIM expiry event. The race is between 'clear DTIM 856bdcd8170SKalle Valo * expiry cmd' going from the host to the firmware & the DTIM 857bdcd8170SKalle Valo * expiry event happening from the firmware to the host. 858bdcd8170SKalle Valo */ 859bdcd8170SKalle Valo if (!ar->sta_list_index) 860bdcd8170SKalle Valo return; 861bdcd8170SKalle Valo 862bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 863bdcd8170SKalle Valo mcastq_empty = skb_queue_empty(&ar->mcastpsq); 864bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 865bdcd8170SKalle Valo 866bdcd8170SKalle Valo if (mcastq_empty) 867bdcd8170SKalle Valo return; 868bdcd8170SKalle Valo 869bdcd8170SKalle Valo /* set the STA flag to dtim_expired for the frame to go out */ 87059c98449SVasanthakumar Thiagarajan set_bit(DTIM_EXPIRED, &vif->flags); 871bdcd8170SKalle Valo 872bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 873bdcd8170SKalle Valo while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) { 874bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 875bdcd8170SKalle Valo 876240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 877bdcd8170SKalle Valo 878bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 879bdcd8170SKalle Valo } 880bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 881bdcd8170SKalle Valo 88259c98449SVasanthakumar Thiagarajan clear_bit(DTIM_EXPIRED, &vif->flags); 883bdcd8170SKalle Valo 884bdcd8170SKalle Valo /* clear the LSB of the BitMapCtl field of the TIM IE */ 885334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0); 886bdcd8170SKalle Valo } 887bdcd8170SKalle Valo 888240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid, 889bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info, 890bdcd8170SKalle Valo u16 prot_reason_status) 891bdcd8170SKalle Valo { 892240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 89359c98449SVasanthakumar Thiagarajan 894f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 895bdcd8170SKalle Valo if (!ath6kl_remove_sta(ar, bssid, prot_reason_status)) 896bdcd8170SKalle Valo return; 897bdcd8170SKalle Valo 898bdcd8170SKalle Valo /* if no more associated STAs, empty the mcast PS q */ 899bdcd8170SKalle Valo if (ar->sta_list_index == 0) { 900bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 901bdcd8170SKalle Valo skb_queue_purge(&ar->mcastpsq); 902bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 903bdcd8170SKalle Valo 904bdcd8170SKalle Valo /* clear the LSB of the TIM IE's BitMapCtl field */ 905bdcd8170SKalle Valo if (test_bit(WMI_READY, &ar->flag)) 906334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 907334234b5SVasanthakumar Thiagarajan MCAST_AID, 0); 908bdcd8170SKalle Valo } 909bdcd8170SKalle Valo 910bdcd8170SKalle Valo if (!is_broadcast_ether_addr(bssid)) { 911bdcd8170SKalle Valo /* send event to application */ 912240d2799SVasanthakumar Thiagarajan cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL); 913bdcd8170SKalle Valo } 914bdcd8170SKalle Valo 915240d2799SVasanthakumar Thiagarajan if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) { 9166f2a73f9SVasanthakumar Thiagarajan memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); 91759c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 918151411e8SJouni Malinen } 919bdcd8170SKalle Valo return; 920bdcd8170SKalle Valo } 921bdcd8170SKalle Valo 922240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_disconnect_event(vif, reason, bssid, 923bdcd8170SKalle Valo assoc_resp_len, assoc_info, 924bdcd8170SKalle Valo prot_reason_status); 925bdcd8170SKalle Valo 9262132c69cSVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt); 927bdcd8170SKalle Valo 928de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 929bdcd8170SKalle Valo 930d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason); 931bdcd8170SKalle Valo 932bdcd8170SKalle Valo /* 933bdcd8170SKalle Valo * If the event is due to disconnect cmd from the host, only they 934bdcd8170SKalle Valo * the target would stop trying to connect. Under any other 935bdcd8170SKalle Valo * condition, target would keep trying to connect. 936bdcd8170SKalle Valo */ 937bdcd8170SKalle Valo if (reason == DISCONNECT_CMD) { 938bdcd8170SKalle Valo if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag)) 939240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 940240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 941bdcd8170SKalle Valo } else { 94259c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 943bdcd8170SKalle Valo if (((reason == ASSOC_FAILED) && 944bdcd8170SKalle Valo (prot_reason_status == 0x11)) || 945bdcd8170SKalle Valo ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) 946cf5333d7SVasanthakumar Thiagarajan && (vif->reconnect_flag == 1))) { 94759c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 948bdcd8170SKalle Valo return; 949bdcd8170SKalle Valo } 950bdcd8170SKalle Valo } 951bdcd8170SKalle Valo 952bdcd8170SKalle Valo /* update connect & link status atomically */ 953478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 95459c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 955240d2799SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 956478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 957bdcd8170SKalle Valo 958cf5333d7SVasanthakumar Thiagarajan if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1)) 959cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 960bdcd8170SKalle Valo 961bdcd8170SKalle Valo if (reason != CSERV_DISCONNECT) 962bdcd8170SKalle Valo ar->user_key_ctrl = 0; 963bdcd8170SKalle Valo 964240d2799SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 9658c8b65e3SVasanthakumar Thiagarajan memset(vif->bssid, 0, sizeof(vif->bssid)); 966f74bac54SVasanthakumar Thiagarajan vif->bss_ch = 0; 967bdcd8170SKalle Valo 968bdcd8170SKalle Valo ath6kl_tx_data_cleanup(ar); 969bdcd8170SKalle Valo } 970bdcd8170SKalle Valo 971990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar) 972990bd915SVasanthakumar Thiagarajan { 973990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 974990bd915SVasanthakumar Thiagarajan 97511f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 976990bd915SVasanthakumar Thiagarajan if (list_empty(&ar->vif_list)) { 97711f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 978990bd915SVasanthakumar Thiagarajan return NULL; 979990bd915SVasanthakumar Thiagarajan } 980990bd915SVasanthakumar Thiagarajan 981990bd915SVasanthakumar Thiagarajan vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list); 982990bd915SVasanthakumar Thiagarajan 98311f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 984990bd915SVasanthakumar Thiagarajan 985990bd915SVasanthakumar Thiagarajan return vif; 986990bd915SVasanthakumar Thiagarajan } 987990bd915SVasanthakumar Thiagarajan 988bdcd8170SKalle Valo static int ath6kl_open(struct net_device *dev) 989bdcd8170SKalle Valo { 99059c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 991bdcd8170SKalle Valo 99259c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 993bdcd8170SKalle Valo 99459c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 995bdcd8170SKalle Valo netif_carrier_on(dev); 996bdcd8170SKalle Valo netif_wake_queue(dev); 997bdcd8170SKalle Valo } else 998bdcd8170SKalle Valo netif_carrier_off(dev); 999bdcd8170SKalle Valo 1000bdcd8170SKalle Valo return 0; 1001bdcd8170SKalle Valo } 1002bdcd8170SKalle Valo 1003bdcd8170SKalle Valo static int ath6kl_close(struct net_device *dev) 1004bdcd8170SKalle Valo { 100559c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1006bdcd8170SKalle Valo 1007bdcd8170SKalle Valo netif_stop_queue(dev); 1008bdcd8170SKalle Valo 10097125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 1010bdcd8170SKalle Valo 101168469341SKalle Valo clear_bit(WLAN_ENABLED, &vif->flags); 101268469341SKalle Valo 1013bdcd8170SKalle Valo return 0; 1014bdcd8170SKalle Valo } 1015bdcd8170SKalle Valo 1016bdcd8170SKalle Valo static struct net_device_stats *ath6kl_get_stats(struct net_device *dev) 1017bdcd8170SKalle Valo { 1018b95907a7SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1019bdcd8170SKalle Valo 1020b95907a7SVasanthakumar Thiagarajan return &vif->net_stats; 1021bdcd8170SKalle Valo } 1022bdcd8170SKalle Valo 1023bdcd8170SKalle Valo static struct net_device_ops ath6kl_netdev_ops = { 1024bdcd8170SKalle Valo .ndo_open = ath6kl_open, 1025bdcd8170SKalle Valo .ndo_stop = ath6kl_close, 1026bdcd8170SKalle Valo .ndo_start_xmit = ath6kl_data_tx, 1027bdcd8170SKalle Valo .ndo_get_stats = ath6kl_get_stats, 1028bdcd8170SKalle Valo }; 1029bdcd8170SKalle Valo 1030bdcd8170SKalle Valo void init_netdev(struct net_device *dev) 1031bdcd8170SKalle Valo { 1032bdcd8170SKalle Valo dev->netdev_ops = &ath6kl_netdev_ops; 103327929723SVasanthakumar Thiagarajan dev->destructor = free_netdev; 1034bdcd8170SKalle Valo dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; 1035bdcd8170SKalle Valo 1036bdcd8170SKalle Valo dev->needed_headroom = ETH_HLEN; 1037bdcd8170SKalle Valo dev->needed_headroom += sizeof(struct ath6kl_llc_snap_hdr) + 1038bdcd8170SKalle Valo sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH 10391df94a85SVasanthakumar Thiagarajan + WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES; 1040bdcd8170SKalle Valo 1041bdcd8170SKalle Valo return; 1042bdcd8170SKalle Valo } 1043