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 5517741c8dSVasanthakumar Thiagarajan static void ath6kl_add_new_sta(struct ath6kl_vif *vif, u8 *mac, u16 aid, 5617741c8dSVasanthakumar Thiagarajan u8 *wpaie, size_t ielen, u8 keymgmt, 5717741c8dSVasanthakumar Thiagarajan u8 ucipher, u8 auth, u8 apsd_info) 58bdcd8170SKalle Valo { 5917741c8dSVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 60bdcd8170SKalle Valo struct ath6kl_sta *sta; 61bdcd8170SKalle Valo u8 free_slot; 62bdcd8170SKalle Valo 63bdcd8170SKalle Valo free_slot = aid - 1; 64bdcd8170SKalle Valo 65bdcd8170SKalle Valo sta = &ar->sta_list[free_slot]; 66bdcd8170SKalle Valo memcpy(sta->mac, mac, ETH_ALEN); 673c774bbaSJouni Malinen if (ielen <= ATH6KL_MAX_IE) 68bdcd8170SKalle Valo memcpy(sta->wpa_ie, wpaie, ielen); 69bdcd8170SKalle Valo sta->aid = aid; 70bdcd8170SKalle Valo sta->keymgmt = keymgmt; 71bdcd8170SKalle Valo sta->ucipher = ucipher; 72bdcd8170SKalle Valo sta->auth = auth; 73c1762a3fSThirumalai Pachamuthu sta->apsd_info = apsd_info; 74bdcd8170SKalle Valo 75bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index | (1 << free_slot); 76bdcd8170SKalle Valo ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid); 77c8651541SVasanthakumar Thiagarajan aggr_conn_init(vif, vif->aggr_cntxt, sta->aggr_conn); 78bdcd8170SKalle Valo } 79bdcd8170SKalle Valo 80bdcd8170SKalle Valo static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i) 81bdcd8170SKalle Valo { 82bdcd8170SKalle Valo struct ath6kl_sta *sta = &ar->sta_list[i]; 83bdcd8170SKalle Valo 84bdcd8170SKalle Valo /* empty the queued pkts in the PS queue if any */ 85bdcd8170SKalle Valo spin_lock_bh(&sta->psq_lock); 86bdcd8170SKalle Valo skb_queue_purge(&sta->psq); 87c1762a3fSThirumalai Pachamuthu skb_queue_purge(&sta->apsdq); 88bdcd8170SKalle Valo spin_unlock_bh(&sta->psq_lock); 89bdcd8170SKalle Valo 90bdcd8170SKalle Valo memset(&ar->ap_stats.sta[sta->aid - 1], 0, 91bdcd8170SKalle Valo sizeof(struct wmi_per_sta_stat)); 92bdcd8170SKalle Valo memset(sta->mac, 0, ETH_ALEN); 93bdcd8170SKalle Valo memset(sta->wpa_ie, 0, ATH6KL_MAX_IE); 94bdcd8170SKalle Valo sta->aid = 0; 95bdcd8170SKalle Valo sta->sta_flags = 0; 96bdcd8170SKalle Valo 97bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index & ~(1 << i); 981d2a4456SVasanthakumar Thiagarajan aggr_reset_state(sta->aggr_conn); 99bdcd8170SKalle Valo } 100bdcd8170SKalle Valo 101bdcd8170SKalle Valo static u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason) 102bdcd8170SKalle Valo { 103bdcd8170SKalle Valo u8 i, removed = 0; 104bdcd8170SKalle Valo 105bdcd8170SKalle Valo if (is_zero_ether_addr(mac)) 106bdcd8170SKalle Valo return removed; 107bdcd8170SKalle Valo 108bdcd8170SKalle Valo if (is_broadcast_ether_addr(mac)) { 109bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "deleting all station\n"); 110bdcd8170SKalle Valo 111bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 112bdcd8170SKalle Valo if (!is_zero_ether_addr(ar->sta_list[i].mac)) { 113bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 114bdcd8170SKalle Valo removed = 1; 115bdcd8170SKalle Valo } 116bdcd8170SKalle Valo } 117bdcd8170SKalle Valo } else { 118bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 119bdcd8170SKalle Valo if (memcmp(ar->sta_list[i].mac, mac, ETH_ALEN) == 0) { 120bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 121bdcd8170SKalle Valo "deleting station %pM aid=%d reason=%d\n", 122bdcd8170SKalle Valo mac, ar->sta_list[i].aid, reason); 123bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 124bdcd8170SKalle Valo removed = 1; 125bdcd8170SKalle Valo break; 126bdcd8170SKalle Valo } 127bdcd8170SKalle Valo } 128bdcd8170SKalle Valo } 129bdcd8170SKalle Valo 130bdcd8170SKalle Valo return removed; 131bdcd8170SKalle Valo } 132bdcd8170SKalle Valo 133bdcd8170SKalle Valo enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac) 134bdcd8170SKalle Valo { 135bdcd8170SKalle Valo struct ath6kl *ar = devt; 136bdcd8170SKalle Valo return ar->ac2ep_map[ac]; 137bdcd8170SKalle Valo } 138bdcd8170SKalle Valo 139bdcd8170SKalle Valo struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar) 140bdcd8170SKalle Valo { 141bdcd8170SKalle Valo struct ath6kl_cookie *cookie; 142bdcd8170SKalle Valo 143bdcd8170SKalle Valo cookie = ar->cookie_list; 144bdcd8170SKalle Valo if (cookie != NULL) { 145bdcd8170SKalle Valo ar->cookie_list = cookie->arc_list_next; 146bdcd8170SKalle Valo ar->cookie_count--; 147bdcd8170SKalle Valo } 148bdcd8170SKalle Valo 149bdcd8170SKalle Valo return cookie; 150bdcd8170SKalle Valo } 151bdcd8170SKalle Valo 152bdcd8170SKalle Valo void ath6kl_cookie_init(struct ath6kl *ar) 153bdcd8170SKalle Valo { 154bdcd8170SKalle Valo u32 i; 155bdcd8170SKalle Valo 156bdcd8170SKalle Valo ar->cookie_list = NULL; 157bdcd8170SKalle Valo ar->cookie_count = 0; 158bdcd8170SKalle Valo 159bdcd8170SKalle Valo memset(ar->cookie_mem, 0, sizeof(ar->cookie_mem)); 160bdcd8170SKalle Valo 161bdcd8170SKalle Valo for (i = 0; i < MAX_COOKIE_NUM; i++) 162bdcd8170SKalle Valo ath6kl_free_cookie(ar, &ar->cookie_mem[i]); 163bdcd8170SKalle Valo } 164bdcd8170SKalle Valo 165bdcd8170SKalle Valo void ath6kl_cookie_cleanup(struct ath6kl *ar) 166bdcd8170SKalle Valo { 167bdcd8170SKalle Valo ar->cookie_list = NULL; 168bdcd8170SKalle Valo ar->cookie_count = 0; 169bdcd8170SKalle Valo } 170bdcd8170SKalle Valo 171bdcd8170SKalle Valo void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie) 172bdcd8170SKalle Valo { 173bdcd8170SKalle Valo /* Insert first */ 174bdcd8170SKalle Valo 175bdcd8170SKalle Valo if (!ar || !cookie) 176bdcd8170SKalle Valo return; 177bdcd8170SKalle Valo 178bdcd8170SKalle Valo cookie->arc_list_next = ar->cookie_list; 179bdcd8170SKalle Valo ar->cookie_list = cookie; 180bdcd8170SKalle Valo ar->cookie_count++; 181bdcd8170SKalle Valo } 182bdcd8170SKalle Valo 183bdcd8170SKalle Valo /* 184addb44beSKalle Valo * Read from the hardware through its diagnostic window. No cooperation 185addb44beSKalle Valo * from the firmware is required for this. 186bdcd8170SKalle Valo */ 187addb44beSKalle Valo int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value) 188bdcd8170SKalle Valo { 189addb44beSKalle Valo int ret; 190bdcd8170SKalle Valo 191c7111495SKalle Valo ret = ath6kl_hif_diag_read32(ar, address, value); 192addb44beSKalle Valo if (ret) { 193addb44beSKalle Valo ath6kl_warn("failed to read32 through diagnose window: %d\n", 194addb44beSKalle Valo ret); 195addb44beSKalle Valo return ret; 196bdcd8170SKalle Valo } 197bdcd8170SKalle Valo 198addb44beSKalle Valo return 0; 199bdcd8170SKalle Valo } 200bdcd8170SKalle Valo 201bdcd8170SKalle Valo /* 202bdcd8170SKalle Valo * Write to the ATH6KL through its diagnostic window. No cooperation from 203bdcd8170SKalle Valo * the Target is required for this. 204bdcd8170SKalle Valo */ 205f9ea0753SVasanthakumar Thiagarajan int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value) 206bdcd8170SKalle Valo { 207addb44beSKalle Valo int ret; 208bdcd8170SKalle Valo 209c7111495SKalle Valo ret = ath6kl_hif_diag_write32(ar, address, value); 210c7111495SKalle Valo 211addb44beSKalle Valo if (ret) { 212addb44beSKalle Valo ath6kl_err("failed to write 0x%x during diagnose window to 0x%d\n", 213addb44beSKalle Valo address, value); 214addb44beSKalle Valo return ret; 215bdcd8170SKalle Valo } 216bdcd8170SKalle Valo 217c7111495SKalle Valo return 0; 218bdcd8170SKalle Valo } 219bdcd8170SKalle Valo 220addb44beSKalle Valo int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length) 221bdcd8170SKalle Valo { 222addb44beSKalle Valo u32 count, *buf = data; 223addb44beSKalle Valo int ret; 224bdcd8170SKalle Valo 225addb44beSKalle Valo if (WARN_ON(length % 4)) 226addb44beSKalle Valo return -EINVAL; 227addb44beSKalle Valo 228addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 229addb44beSKalle Valo ret = ath6kl_diag_read32(ar, address, &buf[count]); 230addb44beSKalle Valo if (ret) 231addb44beSKalle Valo return ret; 232bdcd8170SKalle Valo } 233bdcd8170SKalle Valo 234addb44beSKalle Valo return 0; 235addb44beSKalle Valo } 236addb44beSKalle Valo 237addb44beSKalle Valo int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length) 238addb44beSKalle Valo { 239f9ea0753SVasanthakumar Thiagarajan u32 count; 240f9ea0753SVasanthakumar Thiagarajan __le32 *buf = data; 241addb44beSKalle Valo int ret; 242addb44beSKalle Valo 243addb44beSKalle Valo if (WARN_ON(length % 4)) 244addb44beSKalle Valo return -EINVAL; 245addb44beSKalle Valo 246addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 247addb44beSKalle Valo ret = ath6kl_diag_write32(ar, address, buf[count]); 248addb44beSKalle Valo if (ret) 249addb44beSKalle Valo return ret; 250addb44beSKalle Valo } 251addb44beSKalle Valo 252addb44beSKalle Valo return 0; 253bdcd8170SKalle Valo } 254bdcd8170SKalle Valo 255bc07ddb2SKalle Valo int ath6kl_read_fwlogs(struct ath6kl *ar) 256bc07ddb2SKalle Valo { 257bc07ddb2SKalle Valo struct ath6kl_dbglog_hdr debug_hdr; 258bc07ddb2SKalle Valo struct ath6kl_dbglog_buf debug_buf; 259bc07ddb2SKalle Valo u32 address, length, dropped, firstbuf, debug_hdr_addr; 260e80ec84dSRaja Mani int ret, loop; 261bc07ddb2SKalle Valo u8 *buf; 262bc07ddb2SKalle Valo 263bc07ddb2SKalle Valo buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL); 264bc07ddb2SKalle Valo if (!buf) 265bc07ddb2SKalle Valo return -ENOMEM; 266bc07ddb2SKalle Valo 267bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 268bc07ddb2SKalle Valo ath6kl_get_hi_item_addr(ar, 269bc07ddb2SKalle Valo HI_ITEM(hi_dbglog_hdr))); 270bc07ddb2SKalle Valo 271bc07ddb2SKalle Valo ret = ath6kl_diag_read32(ar, address, &debug_hdr_addr); 272bc07ddb2SKalle Valo if (ret) 273bc07ddb2SKalle Valo goto out; 274bc07ddb2SKalle Valo 275bc07ddb2SKalle Valo /* Get the contents of the ring buffer */ 276bc07ddb2SKalle Valo if (debug_hdr_addr == 0) { 277bc07ddb2SKalle Valo ath6kl_warn("Invalid address for debug_hdr_addr\n"); 278bc07ddb2SKalle Valo ret = -EINVAL; 279bc07ddb2SKalle Valo goto out; 280bc07ddb2SKalle Valo } 281bc07ddb2SKalle Valo 282bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, debug_hdr_addr); 283bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr)); 284bc07ddb2SKalle Valo 285bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 286bc07ddb2SKalle Valo le32_to_cpu(debug_hdr.dbuf_addr)); 287bc07ddb2SKalle Valo firstbuf = address; 288bc07ddb2SKalle Valo dropped = le32_to_cpu(debug_hdr.dropped); 289bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 290bc07ddb2SKalle Valo 291bc07ddb2SKalle Valo loop = 100; 292bc07ddb2SKalle Valo 293bc07ddb2SKalle Valo do { 294bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 295bc07ddb2SKalle Valo le32_to_cpu(debug_buf.buffer_addr)); 296bc07ddb2SKalle Valo length = le32_to_cpu(debug_buf.length); 297bc07ddb2SKalle Valo 298bc07ddb2SKalle Valo if (length != 0 && (le32_to_cpu(debug_buf.length) <= 299bc07ddb2SKalle Valo le32_to_cpu(debug_buf.bufsize))) { 300bc07ddb2SKalle Valo length = ALIGN(length, 4); 301bc07ddb2SKalle Valo 302bc07ddb2SKalle Valo ret = ath6kl_diag_read(ar, address, 303bc07ddb2SKalle Valo buf, length); 304bc07ddb2SKalle Valo if (ret) 305bc07ddb2SKalle Valo goto out; 306bc07ddb2SKalle Valo 307bc07ddb2SKalle Valo ath6kl_debug_fwlog_event(ar, buf, length); 308bc07ddb2SKalle Valo } 309bc07ddb2SKalle Valo 310bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 311bc07ddb2SKalle Valo le32_to_cpu(debug_buf.next)); 312bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 313bc07ddb2SKalle Valo if (ret) 314bc07ddb2SKalle Valo goto out; 315bc07ddb2SKalle Valo 316bc07ddb2SKalle Valo loop--; 317bc07ddb2SKalle Valo 318bc07ddb2SKalle Valo if (WARN_ON(loop == 0)) { 319bc07ddb2SKalle Valo ret = -ETIMEDOUT; 320bc07ddb2SKalle Valo goto out; 321bc07ddb2SKalle Valo } 322bc07ddb2SKalle Valo } while (address != firstbuf); 323bc07ddb2SKalle Valo 324bc07ddb2SKalle Valo out: 325bc07ddb2SKalle Valo kfree(buf); 326bc07ddb2SKalle Valo 327bc07ddb2SKalle Valo return ret; 328bc07ddb2SKalle Valo } 329bc07ddb2SKalle Valo 33031024d99SKevin Fang /* FIXME: move to a better place, target.h? */ 33131024d99SKevin Fang #define AR6003_RESET_CONTROL_ADDRESS 0x00004000 33231024d99SKevin Fang #define AR6004_RESET_CONTROL_ADDRESS 0x00004000 33331024d99SKevin Fang 3346db8fa53SVasanthakumar Thiagarajan void ath6kl_reset_device(struct ath6kl *ar, u32 target_type, 335bdcd8170SKalle Valo bool wait_fot_compltn, bool cold_reset) 336bdcd8170SKalle Valo { 337bdcd8170SKalle Valo int status = 0; 338bdcd8170SKalle Valo u32 address; 339f9ea0753SVasanthakumar Thiagarajan __le32 data; 340bdcd8170SKalle Valo 34131024d99SKevin Fang if (target_type != TARGET_TYPE_AR6003 && 34231024d99SKevin Fang target_type != TARGET_TYPE_AR6004) 343bdcd8170SKalle Valo return; 344bdcd8170SKalle Valo 345f9ea0753SVasanthakumar Thiagarajan data = cold_reset ? cpu_to_le32(RESET_CONTROL_COLD_RST) : 346f9ea0753SVasanthakumar Thiagarajan cpu_to_le32(RESET_CONTROL_MBOX_RST); 347bdcd8170SKalle Valo 34831024d99SKevin Fang switch (target_type) { 34931024d99SKevin Fang case TARGET_TYPE_AR6003: 35031024d99SKevin Fang address = AR6003_RESET_CONTROL_ADDRESS; 35131024d99SKevin Fang break; 35231024d99SKevin Fang case TARGET_TYPE_AR6004: 35331024d99SKevin Fang address = AR6004_RESET_CONTROL_ADDRESS; 35431024d99SKevin Fang break; 35531024d99SKevin Fang } 35631024d99SKevin Fang 357addb44beSKalle Valo status = ath6kl_diag_write32(ar, address, data); 358bdcd8170SKalle Valo 359bdcd8170SKalle Valo if (status) 360bdcd8170SKalle Valo ath6kl_err("failed to reset target\n"); 361bdcd8170SKalle Valo } 362bdcd8170SKalle Valo 363240d2799SVasanthakumar Thiagarajan static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif) 364bdcd8170SKalle Valo { 365bdcd8170SKalle Valo u8 index; 366bdcd8170SKalle Valo u8 keyusage; 367bdcd8170SKalle Valo 368792ecb33SVivek Natarajan for (index = 0; index <= WMI_MAX_KEY_INDEX; index++) { 3696f2a73f9SVasanthakumar Thiagarajan if (vif->wep_key_list[index].key_len) { 370bdcd8170SKalle Valo keyusage = GROUP_USAGE; 3713450334fSVasanthakumar Thiagarajan if (index == vif->def_txkey_index) 372bdcd8170SKalle Valo keyusage |= TX_USAGE; 373bdcd8170SKalle Valo 374240d2799SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(vif->ar->wmi, vif->fw_vif_idx, 375bdcd8170SKalle Valo index, 376bdcd8170SKalle Valo WEP_CRYPT, 377bdcd8170SKalle Valo keyusage, 3786f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key_len, 379f4bb9a6fSJouni Malinen NULL, 0, 3806f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key, 381bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 382bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 383bdcd8170SKalle Valo } 384bdcd8170SKalle Valo } 385bdcd8170SKalle Valo } 386bdcd8170SKalle Valo 387240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel) 388bdcd8170SKalle Valo { 389240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 390bdcd8170SKalle Valo struct ath6kl_req_key *ik; 3919a5b1318SJouni Malinen int res; 3929a5b1318SJouni Malinen u8 key_rsc[ATH6KL_KEY_SEQ_LEN]; 393bdcd8170SKalle Valo 394bdcd8170SKalle Valo ik = &ar->ap_mode_bkey; 395bdcd8170SKalle Valo 396572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel); 3979a5b1318SJouni Malinen 3983450334fSVasanthakumar Thiagarajan switch (vif->auth_mode) { 399bdcd8170SKalle Valo case NONE_AUTH: 4003450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 401240d2799SVasanthakumar Thiagarajan ath6kl_install_static_wep_keys(vif); 4024703290aSJouni Malinen if (!ik->valid || ik->key_type != WAPI_CRYPT) 403bdcd8170SKalle Valo break; 4044703290aSJouni Malinen /* for WAPI, we need to set the delayed group key, continue: */ 405bdcd8170SKalle Valo case WPA_PSK_AUTH: 406bdcd8170SKalle Valo case WPA2_PSK_AUTH: 407bdcd8170SKalle Valo case (WPA_PSK_AUTH | WPA2_PSK_AUTH): 4089a5b1318SJouni Malinen if (!ik->valid) 409bdcd8170SKalle Valo break; 4109a5b1318SJouni Malinen 4119a5b1318SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed addkey for " 4129a5b1318SJouni Malinen "the initial group key for AP mode\n"); 4139a5b1318SJouni Malinen memset(key_rsc, 0, sizeof(key_rsc)); 4149a5b1318SJouni Malinen res = ath6kl_wmi_addkey_cmd( 415334234b5SVasanthakumar Thiagarajan ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type, 416f4bb9a6fSJouni Malinen GROUP_USAGE, ik->key_len, key_rsc, ATH6KL_KEY_SEQ_LEN, 417f4bb9a6fSJouni Malinen ik->key, 4189a5b1318SJouni Malinen KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG); 4199a5b1318SJouni Malinen if (res) { 4209a5b1318SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed " 4219a5b1318SJouni Malinen "addkey failed: %d\n", res); 422bdcd8170SKalle Valo } 423bdcd8170SKalle Valo break; 424bdcd8170SKalle Valo } 4259a5b1318SJouni Malinen 426240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0); 42759c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 428240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 429bdcd8170SKalle Valo } 430bdcd8170SKalle Valo 431240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 432572e27c0SJouni Malinen u8 keymgmt, u8 ucipher, u8 auth, 433c1762a3fSThirumalai Pachamuthu u8 assoc_req_len, u8 *assoc_info, u8 apsd_info) 434572e27c0SJouni Malinen { 435572e27c0SJouni Malinen u8 *ies = NULL, *wpa_ie = NULL, *pos; 436572e27c0SJouni Malinen size_t ies_len = 0; 437572e27c0SJouni Malinen struct station_info sinfo; 438572e27c0SJouni Malinen 439572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); 440bdcd8170SKalle Valo 4413c774bbaSJouni Malinen if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { 4423c774bbaSJouni Malinen struct ieee80211_mgmt *mgmt = 4433c774bbaSJouni Malinen (struct ieee80211_mgmt *) assoc_info; 4443c774bbaSJouni Malinen if (ieee80211_is_assoc_req(mgmt->frame_control) && 4453c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) + 4463c774bbaSJouni Malinen sizeof(mgmt->u.assoc_req)) { 4473c774bbaSJouni Malinen ies = mgmt->u.assoc_req.variable; 4483c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 4493c774bbaSJouni Malinen } else if (ieee80211_is_reassoc_req(mgmt->frame_control) && 4503c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) 4513c774bbaSJouni Malinen + sizeof(mgmt->u.reassoc_req)) { 4523c774bbaSJouni Malinen ies = mgmt->u.reassoc_req.variable; 4533c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 4543c774bbaSJouni Malinen } 4553c774bbaSJouni Malinen } 4563c774bbaSJouni Malinen 4573c774bbaSJouni Malinen pos = ies; 4583c774bbaSJouni Malinen while (pos && pos + 1 < ies + ies_len) { 4593c774bbaSJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 4603c774bbaSJouni Malinen break; 4613c774bbaSJouni Malinen if (pos[0] == WLAN_EID_RSN) 4623c774bbaSJouni Malinen wpa_ie = pos; /* RSN IE */ 4633c774bbaSJouni Malinen else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 4643c774bbaSJouni Malinen pos[1] >= 4 && 4653c774bbaSJouni Malinen pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) { 4663c774bbaSJouni Malinen if (pos[5] == 0x01) 4673c774bbaSJouni Malinen wpa_ie = pos; /* WPA IE */ 4683c774bbaSJouni Malinen else if (pos[5] == 0x04) { 4693c774bbaSJouni Malinen wpa_ie = pos; /* WPS IE */ 4703c774bbaSJouni Malinen break; /* overrides WPA/RSN IE */ 4713c774bbaSJouni Malinen } 47230677ae0SDai Shuibing } else if (pos[0] == 0x44 && wpa_ie == NULL) { 47330677ae0SDai Shuibing /* 47430677ae0SDai Shuibing * Note: WAPI Parameter Set IE re-uses Element ID that 47530677ae0SDai Shuibing * was officially allocated for BSS AC Access Delay. As 47630677ae0SDai Shuibing * such, we need to be a bit more careful on when 47730677ae0SDai Shuibing * parsing the frame. However, BSS AC Access Delay 47830677ae0SDai Shuibing * element is not supposed to be included in 47930677ae0SDai Shuibing * (Re)Association Request frames, so this should not 48030677ae0SDai Shuibing * cause problems. 48130677ae0SDai Shuibing */ 48230677ae0SDai Shuibing wpa_ie = pos; /* WAPI IE */ 48330677ae0SDai Shuibing break; 4843c774bbaSJouni Malinen } 4853c774bbaSJouni Malinen pos += 2 + pos[1]; 4863c774bbaSJouni Malinen } 4873c774bbaSJouni Malinen 48817741c8dSVasanthakumar Thiagarajan ath6kl_add_new_sta(vif, mac_addr, aid, wpa_ie, 4893c774bbaSJouni Malinen wpa_ie ? 2 + wpa_ie[1] : 0, 490c1762a3fSThirumalai Pachamuthu keymgmt, ucipher, auth, apsd_info); 491bdcd8170SKalle Valo 492bdcd8170SKalle Valo /* send event to application */ 493bdcd8170SKalle Valo memset(&sinfo, 0, sizeof(sinfo)); 494bdcd8170SKalle Valo 495bdcd8170SKalle Valo /* TODO: sinfo.generation */ 4963c774bbaSJouni Malinen 4973c774bbaSJouni Malinen sinfo.assoc_req_ies = ies; 4983c774bbaSJouni Malinen sinfo.assoc_req_ies_len = ies_len; 4993c774bbaSJouni Malinen sinfo.filled |= STATION_INFO_ASSOC_REQ_IES; 5003c774bbaSJouni Malinen 501240d2799SVasanthakumar Thiagarajan cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL); 502bdcd8170SKalle Valo 503240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 504bdcd8170SKalle Valo } 505bdcd8170SKalle Valo 506bdcd8170SKalle Valo void disconnect_timer_handler(unsigned long ptr) 507bdcd8170SKalle Valo { 508bdcd8170SKalle Valo struct net_device *dev = (struct net_device *)ptr; 509334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 510bdcd8170SKalle Valo 511e29f25f5SVasanthakumar Thiagarajan ath6kl_init_profile_info(vif); 512240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 513bdcd8170SKalle Valo } 514bdcd8170SKalle Valo 515240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect(struct ath6kl_vif *vif) 516bdcd8170SKalle Valo { 51759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) || 51859c98449SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) { 519240d2799SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 520bdcd8170SKalle Valo /* 521bdcd8170SKalle Valo * Disconnect command is issued, clear the connect pending 522bdcd8170SKalle Valo * flag. The connected flag will be cleared in 523bdcd8170SKalle Valo * disconnect event notification. 524bdcd8170SKalle Valo */ 52559c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 526bdcd8170SKalle Valo } 527bdcd8170SKalle Valo } 528bdcd8170SKalle Valo 529bdcd8170SKalle Valo /* WMI Event handlers */ 530bdcd8170SKalle Valo 531bdcd8170SKalle Valo void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver) 532bdcd8170SKalle Valo { 533bdcd8170SKalle Valo struct ath6kl *ar = devt; 534bdcd8170SKalle Valo 535d66ea4f9SVasanthakumar Thiagarajan memcpy(ar->mac_addr, datap, ETH_ALEN); 536bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "%s: mac addr = %pM\n", 537d66ea4f9SVasanthakumar Thiagarajan __func__, ar->mac_addr); 538bdcd8170SKalle Valo 539bdcd8170SKalle Valo ar->version.wlan_ver = sw_ver; 540bdcd8170SKalle Valo ar->version.abi_ver = abi_ver; 541bdcd8170SKalle Valo 542be98e3a4SVasanthakumar Thiagarajan snprintf(ar->wiphy->fw_version, 543be98e3a4SVasanthakumar Thiagarajan sizeof(ar->wiphy->fw_version), 544bdcd8170SKalle Valo "%u.%u.%u.%u", 545bdcd8170SKalle Valo (ar->version.wlan_ver & 0xf0000000) >> 28, 546bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0f000000) >> 24, 547bdcd8170SKalle Valo (ar->version.wlan_ver & 0x00ff0000) >> 16, 548bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0000ffff)); 549bdcd8170SKalle Valo 550bdcd8170SKalle Valo /* indicate to the waiting thread that the ready event was received */ 551bdcd8170SKalle Valo set_bit(WMI_READY, &ar->flag); 552bdcd8170SKalle Valo wake_up(&ar->event_wq); 5535fe4dffbSKalle Valo } 554bdcd8170SKalle Valo 555240d2799SVasanthakumar Thiagarajan void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status) 556bdcd8170SKalle Valo { 557240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 5581c17d313SKalle Valo bool aborted = false; 55959c98449SVasanthakumar Thiagarajan 5601c17d313SKalle Valo if (status != WMI_SCAN_STATUS_SUCCESS) 5611c17d313SKalle Valo aborted = true; 5621c17d313SKalle Valo 5631c17d313SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, aborted); 564bdcd8170SKalle Valo 565551185caSJouni Malinen if (!ar->usr_bss_filter) { 56659c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 567240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 568240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 569551185caSJouni Malinen } 570bdcd8170SKalle Valo 571d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status); 572bdcd8170SKalle Valo } 573bdcd8170SKalle Valo 574240d2799SVasanthakumar Thiagarajan void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid, 575bdcd8170SKalle Valo u16 listen_int, u16 beacon_int, 576bdcd8170SKalle Valo enum network_type net_type, u8 beacon_ie_len, 577bdcd8170SKalle Valo u8 assoc_req_len, u8 assoc_resp_len, 578bdcd8170SKalle Valo u8 *assoc_info) 579bdcd8170SKalle Valo { 580240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 58159c98449SVasanthakumar Thiagarajan 582240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_connect_event(vif, channel, bssid, 583bdcd8170SKalle Valo listen_int, beacon_int, 584bdcd8170SKalle Valo net_type, beacon_ie_len, 585bdcd8170SKalle Valo assoc_req_len, assoc_resp_len, 586bdcd8170SKalle Valo assoc_info); 587bdcd8170SKalle Valo 5888c8b65e3SVasanthakumar Thiagarajan memcpy(vif->bssid, bssid, sizeof(vif->bssid)); 589f74bac54SVasanthakumar Thiagarajan vif->bss_ch = channel; 590bdcd8170SKalle Valo 5918232736dSSujith Manoharan if ((vif->nw_type == INFRA_NETWORK)) { 5928232736dSSujith Manoharan ar->listen_intvl_b = listen_int; 593334234b5SVasanthakumar Thiagarajan ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 5948232736dSSujith Manoharan 0, ar->listen_intvl_b); 5958232736dSSujith Manoharan } 596bdcd8170SKalle Valo 597240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 598bdcd8170SKalle Valo 599bdcd8170SKalle Valo /* Update connect & link status atomically */ 600478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 60159c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 60259c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 603240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 604478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 605bdcd8170SKalle Valo 6061d2a4456SVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt->aggr_conn); 607cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 608bdcd8170SKalle Valo 609f5938f24SVasanthakumar Thiagarajan if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) { 610bdcd8170SKalle Valo memset(ar->node_map, 0, sizeof(ar->node_map)); 611bdcd8170SKalle Valo ar->node_num = 0; 612bdcd8170SKalle Valo ar->next_ep_id = ENDPOINT_2; 613bdcd8170SKalle Valo } 614bdcd8170SKalle Valo 615551185caSJouni Malinen if (!ar->usr_bss_filter) { 61659c98449SVasanthakumar Thiagarajan set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 617240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 618240d2799SVasanthakumar Thiagarajan CURRENT_BSS_FILTER, 0); 619551185caSJouni Malinen } 620bdcd8170SKalle Valo } 621bdcd8170SKalle Valo 622240d2799SVasanthakumar Thiagarajan void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast) 623bdcd8170SKalle Valo { 624bdcd8170SKalle Valo struct ath6kl_sta *sta; 625240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 626bdcd8170SKalle Valo u8 tsc[6]; 627240d2799SVasanthakumar Thiagarajan 628bdcd8170SKalle Valo /* 629bdcd8170SKalle Valo * For AP case, keyid will have aid of STA which sent pkt with 630bdcd8170SKalle Valo * MIC error. Use this aid to get MAC & send it to hostapd. 631bdcd8170SKalle Valo */ 632f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 633bdcd8170SKalle Valo sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2)); 634bdcd8170SKalle Valo if (!sta) 635bdcd8170SKalle Valo return; 636bdcd8170SKalle Valo 637bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 638bdcd8170SKalle Valo "ap tkip mic error received from aid=%d\n", keyid); 639bdcd8170SKalle Valo 640bdcd8170SKalle Valo memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */ 641240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, sta->mac, 642bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE, keyid, 643bdcd8170SKalle Valo tsc, GFP_KERNEL); 644bdcd8170SKalle Valo } else 645240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast); 646bdcd8170SKalle Valo 647bdcd8170SKalle Valo } 648bdcd8170SKalle Valo 649240d2799SVasanthakumar Thiagarajan static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len) 650bdcd8170SKalle Valo { 651bdcd8170SKalle Valo struct wmi_target_stats *tgt_stats = 652bdcd8170SKalle Valo (struct wmi_target_stats *) ptr; 653240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 654b95907a7SVasanthakumar Thiagarajan struct target_stats *stats = &vif->target_stats; 655bdcd8170SKalle Valo struct tkip_ccmp_stats *ccmp_stats; 656bdcd8170SKalle Valo u8 ac; 657bdcd8170SKalle Valo 658bdcd8170SKalle Valo if (len < sizeof(*tgt_stats)) 659bdcd8170SKalle Valo return; 660bdcd8170SKalle Valo 661bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n"); 662bdcd8170SKalle Valo 663bdcd8170SKalle Valo stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt); 664bdcd8170SKalle Valo stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte); 665bdcd8170SKalle Valo stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt); 666bdcd8170SKalle Valo stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte); 667bdcd8170SKalle Valo stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt); 668bdcd8170SKalle Valo stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte); 669bdcd8170SKalle Valo stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt); 670bdcd8170SKalle Valo stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte); 671bdcd8170SKalle Valo stats->tx_rts_success_cnt += 672bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt); 673bdcd8170SKalle Valo 674bdcd8170SKalle Valo for (ac = 0; ac < WMM_NUM_AC; ac++) 675bdcd8170SKalle Valo stats->tx_pkt_per_ac[ac] += 676bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]); 677bdcd8170SKalle Valo 678bdcd8170SKalle Valo stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err); 679bdcd8170SKalle Valo stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt); 680bdcd8170SKalle Valo stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt); 681bdcd8170SKalle Valo stats->tx_mult_retry_cnt += 682bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt); 683bdcd8170SKalle Valo stats->tx_rts_fail_cnt += 684bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt); 685bdcd8170SKalle Valo stats->tx_ucast_rate = 686bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate)); 687bdcd8170SKalle Valo 688bdcd8170SKalle Valo stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt); 689bdcd8170SKalle Valo stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte); 690bdcd8170SKalle Valo stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt); 691bdcd8170SKalle Valo stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte); 692bdcd8170SKalle Valo stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt); 693bdcd8170SKalle Valo stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte); 694bdcd8170SKalle Valo stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt); 695bdcd8170SKalle Valo stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte); 696bdcd8170SKalle Valo stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt); 697bdcd8170SKalle Valo stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err); 698bdcd8170SKalle Valo stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err); 699bdcd8170SKalle Valo stats->rx_key_cache_miss += 700bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.rx.key_cache_miss); 701bdcd8170SKalle Valo stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err); 702bdcd8170SKalle Valo stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame); 703bdcd8170SKalle Valo stats->rx_ucast_rate = 704bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate)); 705bdcd8170SKalle Valo 706bdcd8170SKalle Valo ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats; 707bdcd8170SKalle Valo 708bdcd8170SKalle Valo stats->tkip_local_mic_fail += 709bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_local_mic_fail); 710bdcd8170SKalle Valo stats->tkip_cnter_measures_invoked += 711bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked); 712bdcd8170SKalle Valo stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err); 713bdcd8170SKalle Valo 714bdcd8170SKalle Valo stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err); 715bdcd8170SKalle Valo stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays); 716bdcd8170SKalle Valo 717bdcd8170SKalle Valo stats->pwr_save_fail_cnt += 718bdcd8170SKalle Valo le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt); 719bdcd8170SKalle Valo stats->noise_floor_calib = 720bdcd8170SKalle Valo a_sle32_to_cpu(tgt_stats->noise_floor_calib); 721bdcd8170SKalle Valo 722bdcd8170SKalle Valo stats->cs_bmiss_cnt += 723bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt); 724bdcd8170SKalle Valo stats->cs_low_rssi_cnt += 725bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt); 726bdcd8170SKalle Valo stats->cs_connect_cnt += 727bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt); 728bdcd8170SKalle Valo stats->cs_discon_cnt += 729bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt); 730bdcd8170SKalle Valo 731bdcd8170SKalle Valo stats->cs_ave_beacon_rssi = 732bdcd8170SKalle Valo a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi); 733bdcd8170SKalle Valo 734bdcd8170SKalle Valo stats->cs_last_roam_msec = 735bdcd8170SKalle Valo tgt_stats->cserv_stats.cs_last_roam_msec; 736bdcd8170SKalle Valo stats->cs_snr = tgt_stats->cserv_stats.cs_snr; 737bdcd8170SKalle Valo stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi); 738bdcd8170SKalle Valo 739bdcd8170SKalle Valo stats->lq_val = le32_to_cpu(tgt_stats->lq_val); 740bdcd8170SKalle Valo 741bdcd8170SKalle Valo stats->wow_pkt_dropped += 742bdcd8170SKalle Valo le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped); 743bdcd8170SKalle Valo stats->wow_host_pkt_wakeups += 744bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_pkt_wakeups; 745bdcd8170SKalle Valo stats->wow_host_evt_wakeups += 746bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_evt_wakeups; 747bdcd8170SKalle Valo stats->wow_evt_discarded += 748bdcd8170SKalle Valo le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded); 749bdcd8170SKalle Valo 750b95907a7SVasanthakumar Thiagarajan if (test_bit(STATS_UPDATE_PEND, &vif->flags)) { 751b95907a7SVasanthakumar Thiagarajan clear_bit(STATS_UPDATE_PEND, &vif->flags); 752bdcd8170SKalle Valo wake_up(&ar->event_wq); 753bdcd8170SKalle Valo } 754bdcd8170SKalle Valo } 755bdcd8170SKalle Valo 756bdcd8170SKalle Valo static void ath6kl_add_le32(__le32 *var, __le32 val) 757bdcd8170SKalle Valo { 758bdcd8170SKalle Valo *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val)); 759bdcd8170SKalle Valo } 760bdcd8170SKalle Valo 761240d2799SVasanthakumar Thiagarajan void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len) 762bdcd8170SKalle Valo { 763bdcd8170SKalle Valo struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr; 764240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 765bdcd8170SKalle Valo struct wmi_ap_mode_stat *ap = &ar->ap_stats; 766bdcd8170SKalle Valo struct wmi_per_sta_stat *st_ap, *st_p; 767bdcd8170SKalle Valo u8 ac; 768bdcd8170SKalle Valo 769f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 770bdcd8170SKalle Valo if (len < sizeof(*p)) 771bdcd8170SKalle Valo return; 772bdcd8170SKalle Valo 773bdcd8170SKalle Valo for (ac = 0; ac < AP_MAX_NUM_STA; ac++) { 774bdcd8170SKalle Valo st_ap = &ap->sta[ac]; 775bdcd8170SKalle Valo st_p = &p->sta[ac]; 776bdcd8170SKalle Valo 777bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes); 778bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts); 779bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error); 780bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard); 781bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes); 782bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts); 783bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error); 784bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard); 785bdcd8170SKalle Valo } 786bdcd8170SKalle Valo 787bdcd8170SKalle Valo } else { 788240d2799SVasanthakumar Thiagarajan ath6kl_update_target_stats(vif, ptr, len); 789bdcd8170SKalle Valo } 790bdcd8170SKalle Valo } 791bdcd8170SKalle Valo 792bdcd8170SKalle Valo void ath6kl_wakeup_event(void *dev) 793bdcd8170SKalle Valo { 794bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) dev; 795bdcd8170SKalle Valo 796bdcd8170SKalle Valo wake_up(&ar->event_wq); 797bdcd8170SKalle Valo } 798bdcd8170SKalle Valo 799bdcd8170SKalle Valo void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr) 800bdcd8170SKalle Valo { 801bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) devt; 802bdcd8170SKalle Valo 803bdcd8170SKalle Valo ar->tx_pwr = tx_pwr; 804bdcd8170SKalle Valo wake_up(&ar->event_wq); 805bdcd8170SKalle Valo } 806bdcd8170SKalle Valo 807240d2799SVasanthakumar Thiagarajan void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid) 808bdcd8170SKalle Valo { 809bdcd8170SKalle Valo struct ath6kl_sta *conn; 810bdcd8170SKalle Valo struct sk_buff *skb; 811bdcd8170SKalle Valo bool psq_empty = false; 812240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 813bdcd8170SKalle Valo 814bdcd8170SKalle Valo conn = ath6kl_find_sta_by_aid(ar, aid); 815bdcd8170SKalle Valo 816bdcd8170SKalle Valo if (!conn) 817bdcd8170SKalle Valo return; 818bdcd8170SKalle Valo /* 819bdcd8170SKalle Valo * Send out a packet queued on ps queue. When the ps queue 820bdcd8170SKalle Valo * becomes empty update the PVB for this station. 821bdcd8170SKalle Valo */ 822bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 823bdcd8170SKalle Valo psq_empty = skb_queue_empty(&conn->psq); 824bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 825bdcd8170SKalle Valo 826bdcd8170SKalle Valo if (psq_empty) 827bdcd8170SKalle Valo /* TODO: Send out a NULL data frame */ 828bdcd8170SKalle Valo return; 829bdcd8170SKalle Valo 830bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 831bdcd8170SKalle Valo skb = skb_dequeue(&conn->psq); 832bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 833bdcd8170SKalle Valo 834bdcd8170SKalle Valo conn->sta_flags |= STA_PS_POLLED; 835240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 836bdcd8170SKalle Valo conn->sta_flags &= ~STA_PS_POLLED; 837bdcd8170SKalle Valo 838bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 839bdcd8170SKalle Valo psq_empty = skb_queue_empty(&conn->psq); 840bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 841bdcd8170SKalle Valo 842bdcd8170SKalle Valo if (psq_empty) 843334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0); 844bdcd8170SKalle Valo } 845bdcd8170SKalle Valo 846240d2799SVasanthakumar Thiagarajan void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif) 847bdcd8170SKalle Valo { 848bdcd8170SKalle Valo bool mcastq_empty = false; 849bdcd8170SKalle Valo struct sk_buff *skb; 850240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 851bdcd8170SKalle Valo 852bdcd8170SKalle Valo /* 853bdcd8170SKalle Valo * If there are no associated STAs, ignore the DTIM expiry event. 854bdcd8170SKalle Valo * There can be potential race conditions where the last associated 855bdcd8170SKalle Valo * STA may disconnect & before the host could clear the 'Indicate 856bdcd8170SKalle Valo * DTIM' request to the firmware, the firmware would have just 857bdcd8170SKalle Valo * indicated a DTIM expiry event. The race is between 'clear DTIM 858bdcd8170SKalle Valo * expiry cmd' going from the host to the firmware & the DTIM 859bdcd8170SKalle Valo * expiry event happening from the firmware to the host. 860bdcd8170SKalle Valo */ 861bdcd8170SKalle Valo if (!ar->sta_list_index) 862bdcd8170SKalle Valo return; 863bdcd8170SKalle Valo 864bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 865bdcd8170SKalle Valo mcastq_empty = skb_queue_empty(&ar->mcastpsq); 866bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 867bdcd8170SKalle Valo 868bdcd8170SKalle Valo if (mcastq_empty) 869bdcd8170SKalle Valo return; 870bdcd8170SKalle Valo 871bdcd8170SKalle Valo /* set the STA flag to dtim_expired for the frame to go out */ 87259c98449SVasanthakumar Thiagarajan set_bit(DTIM_EXPIRED, &vif->flags); 873bdcd8170SKalle Valo 874bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 875bdcd8170SKalle Valo while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) { 876bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 877bdcd8170SKalle Valo 878240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 879bdcd8170SKalle Valo 880bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 881bdcd8170SKalle Valo } 882bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 883bdcd8170SKalle Valo 88459c98449SVasanthakumar Thiagarajan clear_bit(DTIM_EXPIRED, &vif->flags); 885bdcd8170SKalle Valo 886bdcd8170SKalle Valo /* clear the LSB of the BitMapCtl field of the TIM IE */ 887334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0); 888bdcd8170SKalle Valo } 889bdcd8170SKalle Valo 890240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid, 891bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info, 892bdcd8170SKalle Valo u16 prot_reason_status) 893bdcd8170SKalle Valo { 894240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 89559c98449SVasanthakumar Thiagarajan 896f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 897bdcd8170SKalle Valo if (!ath6kl_remove_sta(ar, bssid, prot_reason_status)) 898bdcd8170SKalle Valo return; 899bdcd8170SKalle Valo 900bdcd8170SKalle Valo /* if no more associated STAs, empty the mcast PS q */ 901bdcd8170SKalle Valo if (ar->sta_list_index == 0) { 902bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 903bdcd8170SKalle Valo skb_queue_purge(&ar->mcastpsq); 904bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 905bdcd8170SKalle Valo 906bdcd8170SKalle Valo /* clear the LSB of the TIM IE's BitMapCtl field */ 907bdcd8170SKalle Valo if (test_bit(WMI_READY, &ar->flag)) 908334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 909334234b5SVasanthakumar Thiagarajan MCAST_AID, 0); 910bdcd8170SKalle Valo } 911bdcd8170SKalle Valo 912bdcd8170SKalle Valo if (!is_broadcast_ether_addr(bssid)) { 913bdcd8170SKalle Valo /* send event to application */ 914240d2799SVasanthakumar Thiagarajan cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL); 915bdcd8170SKalle Valo } 916bdcd8170SKalle Valo 917240d2799SVasanthakumar Thiagarajan if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) { 9186f2a73f9SVasanthakumar Thiagarajan memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); 91959c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 920151411e8SJouni Malinen } 921bdcd8170SKalle Valo return; 922bdcd8170SKalle Valo } 923bdcd8170SKalle Valo 924240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_disconnect_event(vif, reason, bssid, 925bdcd8170SKalle Valo assoc_resp_len, assoc_info, 926bdcd8170SKalle Valo prot_reason_status); 927bdcd8170SKalle Valo 9281d2a4456SVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt->aggr_conn); 929bdcd8170SKalle Valo 930de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 931bdcd8170SKalle Valo 932d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason); 933bdcd8170SKalle Valo 934bdcd8170SKalle Valo /* 935bdcd8170SKalle Valo * If the event is due to disconnect cmd from the host, only they 936bdcd8170SKalle Valo * the target would stop trying to connect. Under any other 937bdcd8170SKalle Valo * condition, target would keep trying to connect. 938bdcd8170SKalle Valo */ 939bdcd8170SKalle Valo if (reason == DISCONNECT_CMD) { 940bdcd8170SKalle Valo if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag)) 941240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 942240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 943bdcd8170SKalle Valo } else { 94459c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 945bdcd8170SKalle Valo if (((reason == ASSOC_FAILED) && 946bdcd8170SKalle Valo (prot_reason_status == 0x11)) || 947bdcd8170SKalle Valo ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) 948cf5333d7SVasanthakumar Thiagarajan && (vif->reconnect_flag == 1))) { 94959c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 950bdcd8170SKalle Valo return; 951bdcd8170SKalle Valo } 952bdcd8170SKalle Valo } 953bdcd8170SKalle Valo 954bdcd8170SKalle Valo /* update connect & link status atomically */ 955478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 95659c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 957240d2799SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 958478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 959bdcd8170SKalle Valo 960cf5333d7SVasanthakumar Thiagarajan if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1)) 961cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 962bdcd8170SKalle Valo 963bdcd8170SKalle Valo if (reason != CSERV_DISCONNECT) 964bdcd8170SKalle Valo ar->user_key_ctrl = 0; 965bdcd8170SKalle Valo 966240d2799SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 9678c8b65e3SVasanthakumar Thiagarajan memset(vif->bssid, 0, sizeof(vif->bssid)); 968f74bac54SVasanthakumar Thiagarajan vif->bss_ch = 0; 969bdcd8170SKalle Valo 970bdcd8170SKalle Valo ath6kl_tx_data_cleanup(ar); 971bdcd8170SKalle Valo } 972bdcd8170SKalle Valo 973990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar) 974990bd915SVasanthakumar Thiagarajan { 975990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 976990bd915SVasanthakumar Thiagarajan 97711f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 978990bd915SVasanthakumar Thiagarajan if (list_empty(&ar->vif_list)) { 97911f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 980990bd915SVasanthakumar Thiagarajan return NULL; 981990bd915SVasanthakumar Thiagarajan } 982990bd915SVasanthakumar Thiagarajan 983990bd915SVasanthakumar Thiagarajan vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list); 984990bd915SVasanthakumar Thiagarajan 98511f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 986990bd915SVasanthakumar Thiagarajan 987990bd915SVasanthakumar Thiagarajan return vif; 988990bd915SVasanthakumar Thiagarajan } 989990bd915SVasanthakumar Thiagarajan 990bdcd8170SKalle Valo static int ath6kl_open(struct net_device *dev) 991bdcd8170SKalle Valo { 99259c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 993bdcd8170SKalle Valo 99459c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 995bdcd8170SKalle Valo 99659c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 997bdcd8170SKalle Valo netif_carrier_on(dev); 998bdcd8170SKalle Valo netif_wake_queue(dev); 999bdcd8170SKalle Valo } else 1000bdcd8170SKalle Valo netif_carrier_off(dev); 1001bdcd8170SKalle Valo 1002bdcd8170SKalle Valo return 0; 1003bdcd8170SKalle Valo } 1004bdcd8170SKalle Valo 1005bdcd8170SKalle Valo static int ath6kl_close(struct net_device *dev) 1006bdcd8170SKalle Valo { 100759c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1008bdcd8170SKalle Valo 1009bdcd8170SKalle Valo netif_stop_queue(dev); 1010bdcd8170SKalle Valo 10117125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 1012bdcd8170SKalle Valo 101368469341SKalle Valo clear_bit(WLAN_ENABLED, &vif->flags); 101468469341SKalle Valo 1015bdcd8170SKalle Valo return 0; 1016bdcd8170SKalle Valo } 1017bdcd8170SKalle Valo 1018bdcd8170SKalle Valo static struct net_device_stats *ath6kl_get_stats(struct net_device *dev) 1019bdcd8170SKalle Valo { 1020b95907a7SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1021bdcd8170SKalle Valo 1022b95907a7SVasanthakumar Thiagarajan return &vif->net_stats; 1023bdcd8170SKalle Valo } 1024bdcd8170SKalle Valo 1025d6f80261SKalle Valo static int ath6kl_set_features(struct net_device *dev, 1026d6f80261SKalle Valo netdev_features_t features) 1027bc48ad31SRishi Panjwani { 1028bc48ad31SRishi Panjwani struct ath6kl_vif *vif = netdev_priv(dev); 1029bc48ad31SRishi Panjwani struct ath6kl *ar = vif->ar; 1030bc48ad31SRishi Panjwani int err = 0; 1031bc48ad31SRishi Panjwani 1032bc48ad31SRishi Panjwani if ((features & NETIF_F_RXCSUM) && 1033bc48ad31SRishi Panjwani (ar->rx_meta_ver != WMI_META_VERSION_2)) { 1034bc48ad31SRishi Panjwani ar->rx_meta_ver = WMI_META_VERSION_2; 1035bc48ad31SRishi Panjwani err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, 1036bc48ad31SRishi Panjwani vif->fw_vif_idx, 1037bc48ad31SRishi Panjwani ar->rx_meta_ver, 0, 0); 1038bc48ad31SRishi Panjwani if (err) { 1039bc48ad31SRishi Panjwani dev->features = features & ~NETIF_F_RXCSUM; 1040bc48ad31SRishi Panjwani return err; 1041bc48ad31SRishi Panjwani } 1042bc48ad31SRishi Panjwani } else if (!(features & NETIF_F_RXCSUM) && 1043bc48ad31SRishi Panjwani (ar->rx_meta_ver == WMI_META_VERSION_2)) { 1044bc48ad31SRishi Panjwani ar->rx_meta_ver = 0; 1045bc48ad31SRishi Panjwani err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, 1046bc48ad31SRishi Panjwani vif->fw_vif_idx, 1047bc48ad31SRishi Panjwani ar->rx_meta_ver, 0, 0); 1048bc48ad31SRishi Panjwani if (err) { 1049bc48ad31SRishi Panjwani dev->features = features | NETIF_F_RXCSUM; 1050bc48ad31SRishi Panjwani return err; 1051bc48ad31SRishi Panjwani } 1052bc48ad31SRishi Panjwani 1053bc48ad31SRishi Panjwani } 1054bc48ad31SRishi Panjwani 1055bc48ad31SRishi Panjwani return err; 1056bc48ad31SRishi Panjwani } 1057bc48ad31SRishi Panjwani 105880abaf9bSVasanthakumar Thiagarajan static void ath6kl_set_multicast_list(struct net_device *ndev) 105980abaf9bSVasanthakumar Thiagarajan { 106080abaf9bSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 106180abaf9bSVasanthakumar Thiagarajan bool mc_all_on = false, mc_all_off = false; 106280abaf9bSVasanthakumar Thiagarajan int mc_count = netdev_mc_count(ndev); 106380abaf9bSVasanthakumar Thiagarajan struct netdev_hw_addr *ha; 106480abaf9bSVasanthakumar Thiagarajan bool found; 106580abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 106680abaf9bSVasanthakumar Thiagarajan struct list_head mc_filter_new; 106780abaf9bSVasanthakumar Thiagarajan int ret; 106880abaf9bSVasanthakumar Thiagarajan 106980abaf9bSVasanthakumar Thiagarajan if (!test_bit(WMI_READY, &vif->ar->flag) || 107080abaf9bSVasanthakumar Thiagarajan !test_bit(WLAN_ENABLED, &vif->flags)) 107180abaf9bSVasanthakumar Thiagarajan return; 107280abaf9bSVasanthakumar Thiagarajan 107380abaf9bSVasanthakumar Thiagarajan mc_all_on = !!(ndev->flags & IFF_PROMISC) || 107480abaf9bSVasanthakumar Thiagarajan !!(ndev->flags & IFF_ALLMULTI) || 107580abaf9bSVasanthakumar Thiagarajan !!(mc_count > ATH6K_MAX_MC_FILTERS_PER_LIST); 107680abaf9bSVasanthakumar Thiagarajan 107780abaf9bSVasanthakumar Thiagarajan mc_all_off = !(ndev->flags & IFF_MULTICAST) || mc_count == 0; 107880abaf9bSVasanthakumar Thiagarajan 107980abaf9bSVasanthakumar Thiagarajan if (mc_all_on || mc_all_off) { 108080abaf9bSVasanthakumar Thiagarajan /* Enable/disable all multicast */ 108180abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC, "%s multicast filter\n", 108280abaf9bSVasanthakumar Thiagarajan mc_all_on ? "enabling" : "disabling"); 108380abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, vif->fw_vif_idx, 108480abaf9bSVasanthakumar Thiagarajan mc_all_on); 108580abaf9bSVasanthakumar Thiagarajan if (ret) 108680abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to %s multicast receive\n", 108780abaf9bSVasanthakumar Thiagarajan mc_all_on ? "enable" : "disable"); 108880abaf9bSVasanthakumar Thiagarajan return; 108980abaf9bSVasanthakumar Thiagarajan } 109080abaf9bSVasanthakumar Thiagarajan 109180abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 109280abaf9bSVasanthakumar Thiagarajan found = false; 109380abaf9bSVasanthakumar Thiagarajan netdev_for_each_mc_addr(ha, ndev) { 109480abaf9bSVasanthakumar Thiagarajan if (memcmp(ha->addr, mc_filter->hw_addr, 109580abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { 109680abaf9bSVasanthakumar Thiagarajan found = true; 109780abaf9bSVasanthakumar Thiagarajan break; 109880abaf9bSVasanthakumar Thiagarajan } 109980abaf9bSVasanthakumar Thiagarajan } 110080abaf9bSVasanthakumar Thiagarajan 110180abaf9bSVasanthakumar Thiagarajan if (!found) { 110280abaf9bSVasanthakumar Thiagarajan /* 110380abaf9bSVasanthakumar Thiagarajan * Delete the filter which was previously set 110480abaf9bSVasanthakumar Thiagarajan * but not in the new request. 110580abaf9bSVasanthakumar Thiagarajan */ 110680abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC, 110780abaf9bSVasanthakumar Thiagarajan "Removing %pM from multicast filter\n", 110880abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 110980abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, 111080abaf9bSVasanthakumar Thiagarajan vif->fw_vif_idx, mc_filter->hw_addr, 111180abaf9bSVasanthakumar Thiagarajan false); 111280abaf9bSVasanthakumar Thiagarajan if (ret) { 111380abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to remove multicast filter:%pM\n", 111480abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 111580abaf9bSVasanthakumar Thiagarajan return; 111680abaf9bSVasanthakumar Thiagarajan } 111780abaf9bSVasanthakumar Thiagarajan 111880abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 111980abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 112080abaf9bSVasanthakumar Thiagarajan } 112180abaf9bSVasanthakumar Thiagarajan } 112280abaf9bSVasanthakumar Thiagarajan 112380abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&mc_filter_new); 112480abaf9bSVasanthakumar Thiagarajan 112580abaf9bSVasanthakumar Thiagarajan netdev_for_each_mc_addr(ha, ndev) { 112680abaf9bSVasanthakumar Thiagarajan found = false; 112780abaf9bSVasanthakumar Thiagarajan list_for_each_entry(mc_filter, &vif->mc_filter, list) { 112880abaf9bSVasanthakumar Thiagarajan if (memcmp(ha->addr, mc_filter->hw_addr, 112980abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { 113080abaf9bSVasanthakumar Thiagarajan found = true; 113180abaf9bSVasanthakumar Thiagarajan break; 113280abaf9bSVasanthakumar Thiagarajan } 113380abaf9bSVasanthakumar Thiagarajan } 113480abaf9bSVasanthakumar Thiagarajan 113580abaf9bSVasanthakumar Thiagarajan if (!found) { 113680abaf9bSVasanthakumar Thiagarajan mc_filter = kzalloc(sizeof(struct ath6kl_mc_filter), 113780abaf9bSVasanthakumar Thiagarajan GFP_ATOMIC); 113880abaf9bSVasanthakumar Thiagarajan if (!mc_filter) { 113980abaf9bSVasanthakumar Thiagarajan WARN_ON(1); 114080abaf9bSVasanthakumar Thiagarajan goto out; 114180abaf9bSVasanthakumar Thiagarajan } 114280abaf9bSVasanthakumar Thiagarajan 114380abaf9bSVasanthakumar Thiagarajan memcpy(mc_filter->hw_addr, ha->addr, 114480abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE); 114580abaf9bSVasanthakumar Thiagarajan /* Set the multicast filter */ 114680abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC, 114780abaf9bSVasanthakumar Thiagarajan "Adding %pM to multicast filter list\n", 114880abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 114980abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, 115080abaf9bSVasanthakumar Thiagarajan vif->fw_vif_idx, mc_filter->hw_addr, 115180abaf9bSVasanthakumar Thiagarajan true); 115280abaf9bSVasanthakumar Thiagarajan if (ret) { 115380abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to add multicast filter :%pM\n", 115480abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 115580abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 115680abaf9bSVasanthakumar Thiagarajan goto out; 115780abaf9bSVasanthakumar Thiagarajan } 115880abaf9bSVasanthakumar Thiagarajan 115980abaf9bSVasanthakumar Thiagarajan list_add_tail(&mc_filter->list, &mc_filter_new); 116080abaf9bSVasanthakumar Thiagarajan } 116180abaf9bSVasanthakumar Thiagarajan } 116280abaf9bSVasanthakumar Thiagarajan 116380abaf9bSVasanthakumar Thiagarajan out: 116480abaf9bSVasanthakumar Thiagarajan list_splice_tail(&mc_filter_new, &vif->mc_filter); 116580abaf9bSVasanthakumar Thiagarajan } 116680abaf9bSVasanthakumar Thiagarajan 11674269a930SStephen Hemminger static const struct net_device_ops ath6kl_netdev_ops = { 1168bdcd8170SKalle Valo .ndo_open = ath6kl_open, 1169bdcd8170SKalle Valo .ndo_stop = ath6kl_close, 1170bdcd8170SKalle Valo .ndo_start_xmit = ath6kl_data_tx, 1171bdcd8170SKalle Valo .ndo_get_stats = ath6kl_get_stats, 1172bc48ad31SRishi Panjwani .ndo_set_features = ath6kl_set_features, 117380abaf9bSVasanthakumar Thiagarajan .ndo_set_rx_mode = ath6kl_set_multicast_list, 1174bdcd8170SKalle Valo }; 1175bdcd8170SKalle Valo 1176bdcd8170SKalle Valo void init_netdev(struct net_device *dev) 1177bdcd8170SKalle Valo { 1178bdcd8170SKalle Valo dev->netdev_ops = &ath6kl_netdev_ops; 117927929723SVasanthakumar Thiagarajan dev->destructor = free_netdev; 1180bdcd8170SKalle Valo dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; 1181bdcd8170SKalle Valo 1182bdcd8170SKalle Valo dev->needed_headroom = ETH_HLEN; 1183bdcd8170SKalle Valo dev->needed_headroom += sizeof(struct ath6kl_llc_snap_hdr) + 1184bdcd8170SKalle Valo sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH 11851df94a85SVasanthakumar Thiagarajan + WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES; 1186bdcd8170SKalle Valo 1187bdcd8170SKalle Valo return; 1188bdcd8170SKalle Valo } 1189