1bdcd8170SKalle Valo /* 2bdcd8170SKalle Valo * Copyright (c) 2004-2011 Atheros Communications Inc. 31b2df407SVasanthakumar Thiagarajan * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. 4bdcd8170SKalle Valo * 5bdcd8170SKalle Valo * Permission to use, copy, modify, and/or distribute this software for any 6bdcd8170SKalle Valo * purpose with or without fee is hereby granted, provided that the above 7bdcd8170SKalle Valo * copyright notice and this permission notice appear in all copies. 8bdcd8170SKalle Valo * 9bdcd8170SKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10bdcd8170SKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11bdcd8170SKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12bdcd8170SKalle Valo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13bdcd8170SKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14bdcd8170SKalle Valo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15bdcd8170SKalle Valo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16bdcd8170SKalle Valo */ 17bdcd8170SKalle Valo 18bdcd8170SKalle Valo #include "core.h" 19bdcd8170SKalle Valo #include "hif-ops.h" 20bdcd8170SKalle Valo #include "cfg80211.h" 21bdcd8170SKalle Valo #include "target.h" 22bdcd8170SKalle Valo #include "debug.h" 23bdcd8170SKalle Valo 246765d0aaSVasanthakumar Thiagarajan struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr) 25bdcd8170SKalle Valo { 266765d0aaSVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 27bdcd8170SKalle Valo struct ath6kl_sta *conn = NULL; 28bdcd8170SKalle Valo u8 i, max_conn; 29bdcd8170SKalle Valo 30f5938f24SVasanthakumar Thiagarajan max_conn = (vif->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0; 31bdcd8170SKalle Valo 32bdcd8170SKalle Valo for (i = 0; i < max_conn; i++) { 33bdcd8170SKalle Valo if (memcmp(node_addr, ar->sta_list[i].mac, ETH_ALEN) == 0) { 34bdcd8170SKalle Valo conn = &ar->sta_list[i]; 35bdcd8170SKalle Valo break; 36bdcd8170SKalle Valo } 37bdcd8170SKalle Valo } 38bdcd8170SKalle Valo 39bdcd8170SKalle Valo return conn; 40bdcd8170SKalle Valo } 41bdcd8170SKalle Valo 42bdcd8170SKalle Valo struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid) 43bdcd8170SKalle Valo { 44bdcd8170SKalle Valo struct ath6kl_sta *conn = NULL; 45bdcd8170SKalle Valo u8 ctr; 46bdcd8170SKalle Valo 47bdcd8170SKalle Valo for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { 48bdcd8170SKalle Valo if (ar->sta_list[ctr].aid == aid) { 49bdcd8170SKalle Valo conn = &ar->sta_list[ctr]; 50bdcd8170SKalle Valo break; 51bdcd8170SKalle Valo } 52bdcd8170SKalle Valo } 53bdcd8170SKalle Valo return conn; 54bdcd8170SKalle Valo } 55bdcd8170SKalle Valo 5617741c8dSVasanthakumar Thiagarajan static void ath6kl_add_new_sta(struct ath6kl_vif *vif, u8 *mac, u16 aid, 5717741c8dSVasanthakumar Thiagarajan u8 *wpaie, size_t ielen, u8 keymgmt, 5817741c8dSVasanthakumar Thiagarajan u8 ucipher, u8 auth, u8 apsd_info) 59bdcd8170SKalle Valo { 6017741c8dSVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 61bdcd8170SKalle Valo struct ath6kl_sta *sta; 62bdcd8170SKalle Valo u8 free_slot; 63bdcd8170SKalle Valo 64bdcd8170SKalle Valo free_slot = aid - 1; 65bdcd8170SKalle Valo 66bdcd8170SKalle Valo sta = &ar->sta_list[free_slot]; 67bdcd8170SKalle Valo memcpy(sta->mac, mac, ETH_ALEN); 683c774bbaSJouni Malinen if (ielen <= ATH6KL_MAX_IE) 69bdcd8170SKalle Valo memcpy(sta->wpa_ie, wpaie, ielen); 70bdcd8170SKalle Valo sta->aid = aid; 71bdcd8170SKalle Valo sta->keymgmt = keymgmt; 72bdcd8170SKalle Valo sta->ucipher = ucipher; 73bdcd8170SKalle Valo sta->auth = auth; 74c1762a3fSThirumalai Pachamuthu sta->apsd_info = apsd_info; 75bdcd8170SKalle Valo 76bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index | (1 << free_slot); 77bdcd8170SKalle Valo ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid); 78c8651541SVasanthakumar Thiagarajan aggr_conn_init(vif, vif->aggr_cntxt, sta->aggr_conn); 79bdcd8170SKalle Valo } 80bdcd8170SKalle Valo 81bdcd8170SKalle Valo static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i) 82bdcd8170SKalle Valo { 83bdcd8170SKalle Valo struct ath6kl_sta *sta = &ar->sta_list[i]; 84d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *entry, *tmp; 85bdcd8170SKalle Valo 86bdcd8170SKalle Valo /* empty the queued pkts in the PS queue if any */ 87bdcd8170SKalle Valo spin_lock_bh(&sta->psq_lock); 88bdcd8170SKalle Valo skb_queue_purge(&sta->psq); 89c1762a3fSThirumalai Pachamuthu skb_queue_purge(&sta->apsdq); 90d0ff7383SNaveen Gangadharan 91d0ff7383SNaveen Gangadharan if (sta->mgmt_psq_len != 0) { 92d0ff7383SNaveen Gangadharan list_for_each_entry_safe(entry, tmp, &sta->mgmt_psq, list) { 93d0ff7383SNaveen Gangadharan kfree(entry); 94d0ff7383SNaveen Gangadharan } 95d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&sta->mgmt_psq); 96d0ff7383SNaveen Gangadharan sta->mgmt_psq_len = 0; 97d0ff7383SNaveen Gangadharan } 98d0ff7383SNaveen Gangadharan 99bdcd8170SKalle Valo spin_unlock_bh(&sta->psq_lock); 100bdcd8170SKalle Valo 101bdcd8170SKalle Valo memset(&ar->ap_stats.sta[sta->aid - 1], 0, 102bdcd8170SKalle Valo sizeof(struct wmi_per_sta_stat)); 103bdcd8170SKalle Valo memset(sta->mac, 0, ETH_ALEN); 104bdcd8170SKalle Valo memset(sta->wpa_ie, 0, ATH6KL_MAX_IE); 105bdcd8170SKalle Valo sta->aid = 0; 106bdcd8170SKalle Valo sta->sta_flags = 0; 107bdcd8170SKalle Valo 108bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index & ~(1 << i); 1091d2a4456SVasanthakumar Thiagarajan aggr_reset_state(sta->aggr_conn); 110bdcd8170SKalle Valo } 111bdcd8170SKalle Valo 112bdcd8170SKalle Valo static u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason) 113bdcd8170SKalle Valo { 114bdcd8170SKalle Valo u8 i, removed = 0; 115bdcd8170SKalle Valo 116bdcd8170SKalle Valo if (is_zero_ether_addr(mac)) 117bdcd8170SKalle Valo return removed; 118bdcd8170SKalle Valo 119bdcd8170SKalle Valo if (is_broadcast_ether_addr(mac)) { 120bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "deleting all station\n"); 121bdcd8170SKalle Valo 122bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 123bdcd8170SKalle Valo if (!is_zero_ether_addr(ar->sta_list[i].mac)) { 124bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 125bdcd8170SKalle Valo removed = 1; 126bdcd8170SKalle Valo } 127bdcd8170SKalle Valo } 128bdcd8170SKalle Valo } else { 129bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 130bdcd8170SKalle Valo if (memcmp(ar->sta_list[i].mac, mac, ETH_ALEN) == 0) { 131bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 132bdcd8170SKalle Valo "deleting station %pM aid=%d reason=%d\n", 133bdcd8170SKalle Valo mac, ar->sta_list[i].aid, reason); 134bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 135bdcd8170SKalle Valo removed = 1; 136bdcd8170SKalle Valo break; 137bdcd8170SKalle Valo } 138bdcd8170SKalle Valo } 139bdcd8170SKalle Valo } 140bdcd8170SKalle Valo 141bdcd8170SKalle Valo return removed; 142bdcd8170SKalle Valo } 143bdcd8170SKalle Valo 144bdcd8170SKalle Valo enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac) 145bdcd8170SKalle Valo { 146bdcd8170SKalle Valo struct ath6kl *ar = devt; 147bdcd8170SKalle Valo return ar->ac2ep_map[ac]; 148bdcd8170SKalle Valo } 149bdcd8170SKalle Valo 150bdcd8170SKalle Valo struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar) 151bdcd8170SKalle Valo { 152bdcd8170SKalle Valo struct ath6kl_cookie *cookie; 153bdcd8170SKalle Valo 154bdcd8170SKalle Valo cookie = ar->cookie_list; 155bdcd8170SKalle Valo if (cookie != NULL) { 156bdcd8170SKalle Valo ar->cookie_list = cookie->arc_list_next; 157bdcd8170SKalle Valo ar->cookie_count--; 158bdcd8170SKalle Valo } 159bdcd8170SKalle Valo 160bdcd8170SKalle Valo return cookie; 161bdcd8170SKalle Valo } 162bdcd8170SKalle Valo 163bdcd8170SKalle Valo void ath6kl_cookie_init(struct ath6kl *ar) 164bdcd8170SKalle Valo { 165bdcd8170SKalle Valo u32 i; 166bdcd8170SKalle Valo 167bdcd8170SKalle Valo ar->cookie_list = NULL; 168bdcd8170SKalle Valo ar->cookie_count = 0; 169bdcd8170SKalle Valo 170bdcd8170SKalle Valo memset(ar->cookie_mem, 0, sizeof(ar->cookie_mem)); 171bdcd8170SKalle Valo 172bdcd8170SKalle Valo for (i = 0; i < MAX_COOKIE_NUM; i++) 173bdcd8170SKalle Valo ath6kl_free_cookie(ar, &ar->cookie_mem[i]); 174bdcd8170SKalle Valo } 175bdcd8170SKalle Valo 176bdcd8170SKalle Valo void ath6kl_cookie_cleanup(struct ath6kl *ar) 177bdcd8170SKalle Valo { 178bdcd8170SKalle Valo ar->cookie_list = NULL; 179bdcd8170SKalle Valo ar->cookie_count = 0; 180bdcd8170SKalle Valo } 181bdcd8170SKalle Valo 182bdcd8170SKalle Valo void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie) 183bdcd8170SKalle Valo { 184bdcd8170SKalle Valo /* Insert first */ 185bdcd8170SKalle Valo 186bdcd8170SKalle Valo if (!ar || !cookie) 187bdcd8170SKalle Valo return; 188bdcd8170SKalle Valo 189bdcd8170SKalle Valo cookie->arc_list_next = ar->cookie_list; 190bdcd8170SKalle Valo ar->cookie_list = cookie; 191bdcd8170SKalle Valo ar->cookie_count++; 192bdcd8170SKalle Valo } 193bdcd8170SKalle Valo 194bdcd8170SKalle Valo /* 195addb44beSKalle Valo * Read from the hardware through its diagnostic window. No cooperation 196addb44beSKalle Valo * from the firmware is required for this. 197bdcd8170SKalle Valo */ 198addb44beSKalle Valo int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value) 199bdcd8170SKalle Valo { 200addb44beSKalle Valo int ret; 201bdcd8170SKalle Valo 202c7111495SKalle Valo ret = ath6kl_hif_diag_read32(ar, address, value); 203addb44beSKalle Valo if (ret) { 204addb44beSKalle Valo ath6kl_warn("failed to read32 through diagnose window: %d\n", 205addb44beSKalle Valo ret); 206addb44beSKalle Valo return ret; 207bdcd8170SKalle Valo } 208bdcd8170SKalle Valo 209addb44beSKalle Valo return 0; 210bdcd8170SKalle Valo } 211bdcd8170SKalle Valo 212bdcd8170SKalle Valo /* 213bdcd8170SKalle Valo * Write to the ATH6KL through its diagnostic window. No cooperation from 214bdcd8170SKalle Valo * the Target is required for this. 215bdcd8170SKalle Valo */ 216f9ea0753SVasanthakumar Thiagarajan int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value) 217bdcd8170SKalle Valo { 218addb44beSKalle Valo int ret; 219bdcd8170SKalle Valo 220c7111495SKalle Valo ret = ath6kl_hif_diag_write32(ar, address, value); 221c7111495SKalle Valo 222addb44beSKalle Valo if (ret) { 223addb44beSKalle Valo ath6kl_err("failed to write 0x%x during diagnose window to 0x%d\n", 224addb44beSKalle Valo address, value); 225addb44beSKalle Valo return ret; 226bdcd8170SKalle Valo } 227bdcd8170SKalle Valo 228c7111495SKalle Valo return 0; 229bdcd8170SKalle Valo } 230bdcd8170SKalle Valo 231addb44beSKalle Valo int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length) 232bdcd8170SKalle Valo { 233addb44beSKalle Valo u32 count, *buf = data; 234addb44beSKalle Valo int ret; 235bdcd8170SKalle Valo 236addb44beSKalle Valo if (WARN_ON(length % 4)) 237addb44beSKalle Valo return -EINVAL; 238addb44beSKalle Valo 239addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 240addb44beSKalle Valo ret = ath6kl_diag_read32(ar, address, &buf[count]); 241addb44beSKalle Valo if (ret) 242addb44beSKalle Valo return ret; 243bdcd8170SKalle Valo } 244bdcd8170SKalle Valo 245addb44beSKalle Valo return 0; 246addb44beSKalle Valo } 247addb44beSKalle Valo 248addb44beSKalle Valo int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length) 249addb44beSKalle Valo { 250f9ea0753SVasanthakumar Thiagarajan u32 count; 251f9ea0753SVasanthakumar Thiagarajan __le32 *buf = data; 252addb44beSKalle Valo int ret; 253addb44beSKalle Valo 254addb44beSKalle Valo if (WARN_ON(length % 4)) 255addb44beSKalle Valo return -EINVAL; 256addb44beSKalle Valo 257addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 258addb44beSKalle Valo ret = ath6kl_diag_write32(ar, address, buf[count]); 259addb44beSKalle Valo if (ret) 260addb44beSKalle Valo return ret; 261addb44beSKalle Valo } 262addb44beSKalle Valo 263addb44beSKalle Valo return 0; 264bdcd8170SKalle Valo } 265bdcd8170SKalle Valo 266bc07ddb2SKalle Valo int ath6kl_read_fwlogs(struct ath6kl *ar) 267bc07ddb2SKalle Valo { 268bc07ddb2SKalle Valo struct ath6kl_dbglog_hdr debug_hdr; 269bc07ddb2SKalle Valo struct ath6kl_dbglog_buf debug_buf; 270bc07ddb2SKalle Valo u32 address, length, dropped, firstbuf, debug_hdr_addr; 271e80ec84dSRaja Mani int ret, loop; 272bc07ddb2SKalle Valo u8 *buf; 273bc07ddb2SKalle Valo 274bc07ddb2SKalle Valo buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL); 275bc07ddb2SKalle Valo if (!buf) 276bc07ddb2SKalle Valo return -ENOMEM; 277bc07ddb2SKalle Valo 278bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 279bc07ddb2SKalle Valo ath6kl_get_hi_item_addr(ar, 280bc07ddb2SKalle Valo HI_ITEM(hi_dbglog_hdr))); 281bc07ddb2SKalle Valo 282bc07ddb2SKalle Valo ret = ath6kl_diag_read32(ar, address, &debug_hdr_addr); 283bc07ddb2SKalle Valo if (ret) 284bc07ddb2SKalle Valo goto out; 285bc07ddb2SKalle Valo 286bc07ddb2SKalle Valo /* Get the contents of the ring buffer */ 287bc07ddb2SKalle Valo if (debug_hdr_addr == 0) { 288bc07ddb2SKalle Valo ath6kl_warn("Invalid address for debug_hdr_addr\n"); 289bc07ddb2SKalle Valo ret = -EINVAL; 290bc07ddb2SKalle Valo goto out; 291bc07ddb2SKalle Valo } 292bc07ddb2SKalle Valo 293bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, debug_hdr_addr); 294bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr)); 295bc07ddb2SKalle Valo 296bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 297bc07ddb2SKalle Valo le32_to_cpu(debug_hdr.dbuf_addr)); 298bc07ddb2SKalle Valo firstbuf = address; 299bc07ddb2SKalle Valo dropped = le32_to_cpu(debug_hdr.dropped); 300bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 301bc07ddb2SKalle Valo 302bc07ddb2SKalle Valo loop = 100; 303bc07ddb2SKalle Valo 304bc07ddb2SKalle Valo do { 305bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 306bc07ddb2SKalle Valo le32_to_cpu(debug_buf.buffer_addr)); 307bc07ddb2SKalle Valo length = le32_to_cpu(debug_buf.length); 308bc07ddb2SKalle Valo 309bc07ddb2SKalle Valo if (length != 0 && (le32_to_cpu(debug_buf.length) <= 310bc07ddb2SKalle Valo le32_to_cpu(debug_buf.bufsize))) { 311bc07ddb2SKalle Valo length = ALIGN(length, 4); 312bc07ddb2SKalle Valo 313bc07ddb2SKalle Valo ret = ath6kl_diag_read(ar, address, 314bc07ddb2SKalle Valo buf, length); 315bc07ddb2SKalle Valo if (ret) 316bc07ddb2SKalle Valo goto out; 317bc07ddb2SKalle Valo 318bc07ddb2SKalle Valo ath6kl_debug_fwlog_event(ar, buf, length); 319bc07ddb2SKalle Valo } 320bc07ddb2SKalle Valo 321bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 322bc07ddb2SKalle Valo le32_to_cpu(debug_buf.next)); 323bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 324bc07ddb2SKalle Valo if (ret) 325bc07ddb2SKalle Valo goto out; 326bc07ddb2SKalle Valo 327bc07ddb2SKalle Valo loop--; 328bc07ddb2SKalle Valo 329bc07ddb2SKalle Valo if (WARN_ON(loop == 0)) { 330bc07ddb2SKalle Valo ret = -ETIMEDOUT; 331bc07ddb2SKalle Valo goto out; 332bc07ddb2SKalle Valo } 333bc07ddb2SKalle Valo } while (address != firstbuf); 334bc07ddb2SKalle Valo 335bc07ddb2SKalle Valo out: 336bc07ddb2SKalle Valo kfree(buf); 337bc07ddb2SKalle Valo 338bc07ddb2SKalle Valo return ret; 339bc07ddb2SKalle Valo } 340bc07ddb2SKalle Valo 34131024d99SKevin Fang /* FIXME: move to a better place, target.h? */ 34231024d99SKevin Fang #define AR6003_RESET_CONTROL_ADDRESS 0x00004000 34331024d99SKevin Fang #define AR6004_RESET_CONTROL_ADDRESS 0x00004000 34431024d99SKevin Fang 3456db8fa53SVasanthakumar Thiagarajan void ath6kl_reset_device(struct ath6kl *ar, u32 target_type, 346bdcd8170SKalle Valo bool wait_fot_compltn, bool cold_reset) 347bdcd8170SKalle Valo { 348bdcd8170SKalle Valo int status = 0; 349bdcd8170SKalle Valo u32 address; 350f9ea0753SVasanthakumar Thiagarajan __le32 data; 351bdcd8170SKalle Valo 35231024d99SKevin Fang if (target_type != TARGET_TYPE_AR6003 && 35331024d99SKevin Fang target_type != TARGET_TYPE_AR6004) 354bdcd8170SKalle Valo return; 355bdcd8170SKalle Valo 356f9ea0753SVasanthakumar Thiagarajan data = cold_reset ? cpu_to_le32(RESET_CONTROL_COLD_RST) : 357f9ea0753SVasanthakumar Thiagarajan cpu_to_le32(RESET_CONTROL_MBOX_RST); 358bdcd8170SKalle Valo 35931024d99SKevin Fang switch (target_type) { 36031024d99SKevin Fang case TARGET_TYPE_AR6003: 36131024d99SKevin Fang address = AR6003_RESET_CONTROL_ADDRESS; 36231024d99SKevin Fang break; 36331024d99SKevin Fang case TARGET_TYPE_AR6004: 36431024d99SKevin Fang address = AR6004_RESET_CONTROL_ADDRESS; 36531024d99SKevin Fang break; 36631024d99SKevin Fang } 36731024d99SKevin Fang 368addb44beSKalle Valo status = ath6kl_diag_write32(ar, address, data); 369bdcd8170SKalle Valo 370bdcd8170SKalle Valo if (status) 371bdcd8170SKalle Valo ath6kl_err("failed to reset target\n"); 372bdcd8170SKalle Valo } 373bdcd8170SKalle Valo 374240d2799SVasanthakumar Thiagarajan static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif) 375bdcd8170SKalle Valo { 376bdcd8170SKalle Valo u8 index; 377bdcd8170SKalle Valo u8 keyusage; 378bdcd8170SKalle Valo 379792ecb33SVivek Natarajan for (index = 0; index <= WMI_MAX_KEY_INDEX; index++) { 3806f2a73f9SVasanthakumar Thiagarajan if (vif->wep_key_list[index].key_len) { 381bdcd8170SKalle Valo keyusage = GROUP_USAGE; 3823450334fSVasanthakumar Thiagarajan if (index == vif->def_txkey_index) 383bdcd8170SKalle Valo keyusage |= TX_USAGE; 384bdcd8170SKalle Valo 385240d2799SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(vif->ar->wmi, vif->fw_vif_idx, 386bdcd8170SKalle Valo index, 387bdcd8170SKalle Valo WEP_CRYPT, 388bdcd8170SKalle Valo keyusage, 3896f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key_len, 390f4bb9a6fSJouni Malinen NULL, 0, 3916f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key, 392bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 393bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 394bdcd8170SKalle Valo } 395bdcd8170SKalle Valo } 396bdcd8170SKalle Valo } 397bdcd8170SKalle Valo 398240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel) 399bdcd8170SKalle Valo { 400240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 401bdcd8170SKalle Valo struct ath6kl_req_key *ik; 4029a5b1318SJouni Malinen int res; 4039a5b1318SJouni Malinen u8 key_rsc[ATH6KL_KEY_SEQ_LEN]; 404bdcd8170SKalle Valo 405bdcd8170SKalle Valo ik = &ar->ap_mode_bkey; 406bdcd8170SKalle Valo 407572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel); 4089a5b1318SJouni Malinen 4093450334fSVasanthakumar Thiagarajan switch (vif->auth_mode) { 410bdcd8170SKalle Valo case NONE_AUTH: 4113450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 412240d2799SVasanthakumar Thiagarajan ath6kl_install_static_wep_keys(vif); 4134703290aSJouni Malinen if (!ik->valid || ik->key_type != WAPI_CRYPT) 414bdcd8170SKalle Valo break; 4154703290aSJouni Malinen /* for WAPI, we need to set the delayed group key, continue: */ 416bdcd8170SKalle Valo case WPA_PSK_AUTH: 417bdcd8170SKalle Valo case WPA2_PSK_AUTH: 418bdcd8170SKalle Valo case (WPA_PSK_AUTH | WPA2_PSK_AUTH): 4199a5b1318SJouni Malinen if (!ik->valid) 420bdcd8170SKalle Valo break; 4219a5b1318SJouni Malinen 4229a5b1318SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed addkey for " 4239a5b1318SJouni Malinen "the initial group key for AP mode\n"); 4249a5b1318SJouni Malinen memset(key_rsc, 0, sizeof(key_rsc)); 4259a5b1318SJouni Malinen res = ath6kl_wmi_addkey_cmd( 426334234b5SVasanthakumar Thiagarajan ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type, 427f4bb9a6fSJouni Malinen GROUP_USAGE, ik->key_len, key_rsc, ATH6KL_KEY_SEQ_LEN, 428f4bb9a6fSJouni Malinen ik->key, 4299a5b1318SJouni Malinen KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG); 4309a5b1318SJouni Malinen if (res) { 4319a5b1318SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed " 4329a5b1318SJouni Malinen "addkey failed: %d\n", res); 433bdcd8170SKalle Valo } 434bdcd8170SKalle Valo break; 435bdcd8170SKalle Valo } 4369a5b1318SJouni Malinen 437240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0); 43859c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 439240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 440bdcd8170SKalle Valo } 441bdcd8170SKalle Valo 442240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 443572e27c0SJouni Malinen u8 keymgmt, u8 ucipher, u8 auth, 444c1762a3fSThirumalai Pachamuthu u8 assoc_req_len, u8 *assoc_info, u8 apsd_info) 445572e27c0SJouni Malinen { 446572e27c0SJouni Malinen u8 *ies = NULL, *wpa_ie = NULL, *pos; 447572e27c0SJouni Malinen size_t ies_len = 0; 448572e27c0SJouni Malinen struct station_info sinfo; 449572e27c0SJouni Malinen 450572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); 451bdcd8170SKalle Valo 4523c774bbaSJouni Malinen if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { 4533c774bbaSJouni Malinen struct ieee80211_mgmt *mgmt = 4543c774bbaSJouni Malinen (struct ieee80211_mgmt *) assoc_info; 4553c774bbaSJouni Malinen if (ieee80211_is_assoc_req(mgmt->frame_control) && 4563c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) + 4573c774bbaSJouni Malinen sizeof(mgmt->u.assoc_req)) { 4583c774bbaSJouni Malinen ies = mgmt->u.assoc_req.variable; 4593c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 4603c774bbaSJouni Malinen } else if (ieee80211_is_reassoc_req(mgmt->frame_control) && 4613c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) 4623c774bbaSJouni Malinen + sizeof(mgmt->u.reassoc_req)) { 4633c774bbaSJouni Malinen ies = mgmt->u.reassoc_req.variable; 4643c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 4653c774bbaSJouni Malinen } 4663c774bbaSJouni Malinen } 4673c774bbaSJouni Malinen 4683c774bbaSJouni Malinen pos = ies; 4693c774bbaSJouni Malinen while (pos && pos + 1 < ies + ies_len) { 4703c774bbaSJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 4713c774bbaSJouni Malinen break; 4723c774bbaSJouni Malinen if (pos[0] == WLAN_EID_RSN) 4733c774bbaSJouni Malinen wpa_ie = pos; /* RSN IE */ 4743c774bbaSJouni Malinen else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 4753c774bbaSJouni Malinen pos[1] >= 4 && 4763c774bbaSJouni Malinen pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) { 4773c774bbaSJouni Malinen if (pos[5] == 0x01) 4783c774bbaSJouni Malinen wpa_ie = pos; /* WPA IE */ 4793c774bbaSJouni Malinen else if (pos[5] == 0x04) { 4803c774bbaSJouni Malinen wpa_ie = pos; /* WPS IE */ 4813c774bbaSJouni Malinen break; /* overrides WPA/RSN IE */ 4823c774bbaSJouni Malinen } 48330677ae0SDai Shuibing } else if (pos[0] == 0x44 && wpa_ie == NULL) { 48430677ae0SDai Shuibing /* 48530677ae0SDai Shuibing * Note: WAPI Parameter Set IE re-uses Element ID that 48630677ae0SDai Shuibing * was officially allocated for BSS AC Access Delay. As 48730677ae0SDai Shuibing * such, we need to be a bit more careful on when 48830677ae0SDai Shuibing * parsing the frame. However, BSS AC Access Delay 48930677ae0SDai Shuibing * element is not supposed to be included in 49030677ae0SDai Shuibing * (Re)Association Request frames, so this should not 49130677ae0SDai Shuibing * cause problems. 49230677ae0SDai Shuibing */ 49330677ae0SDai Shuibing wpa_ie = pos; /* WAPI IE */ 49430677ae0SDai Shuibing break; 4953c774bbaSJouni Malinen } 4963c774bbaSJouni Malinen pos += 2 + pos[1]; 4973c774bbaSJouni Malinen } 4983c774bbaSJouni Malinen 49917741c8dSVasanthakumar Thiagarajan ath6kl_add_new_sta(vif, mac_addr, aid, wpa_ie, 5003c774bbaSJouni Malinen wpa_ie ? 2 + wpa_ie[1] : 0, 501c1762a3fSThirumalai Pachamuthu keymgmt, ucipher, auth, apsd_info); 502bdcd8170SKalle Valo 503bdcd8170SKalle Valo /* send event to application */ 504bdcd8170SKalle Valo memset(&sinfo, 0, sizeof(sinfo)); 505bdcd8170SKalle Valo 506bdcd8170SKalle Valo /* TODO: sinfo.generation */ 5073c774bbaSJouni Malinen 5083c774bbaSJouni Malinen sinfo.assoc_req_ies = ies; 5093c774bbaSJouni Malinen sinfo.assoc_req_ies_len = ies_len; 5103c774bbaSJouni Malinen sinfo.filled |= STATION_INFO_ASSOC_REQ_IES; 5113c774bbaSJouni Malinen 512240d2799SVasanthakumar Thiagarajan cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL); 513bdcd8170SKalle Valo 514240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 515bdcd8170SKalle Valo } 516bdcd8170SKalle Valo 517bdcd8170SKalle Valo void disconnect_timer_handler(unsigned long ptr) 518bdcd8170SKalle Valo { 519bdcd8170SKalle Valo struct net_device *dev = (struct net_device *)ptr; 520334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 521bdcd8170SKalle Valo 522e29f25f5SVasanthakumar Thiagarajan ath6kl_init_profile_info(vif); 523240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 524bdcd8170SKalle Valo } 525bdcd8170SKalle Valo 526240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect(struct ath6kl_vif *vif) 527bdcd8170SKalle Valo { 52859c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) || 52959c98449SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) { 530240d2799SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 531bdcd8170SKalle Valo /* 532bdcd8170SKalle Valo * Disconnect command is issued, clear the connect pending 533bdcd8170SKalle Valo * flag. The connected flag will be cleared in 534bdcd8170SKalle Valo * disconnect event notification. 535bdcd8170SKalle Valo */ 53659c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 537bdcd8170SKalle Valo } 538bdcd8170SKalle Valo } 539bdcd8170SKalle Valo 540bdcd8170SKalle Valo /* WMI Event handlers */ 541bdcd8170SKalle Valo 542bdcd8170SKalle Valo void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver) 543bdcd8170SKalle Valo { 544bdcd8170SKalle Valo struct ath6kl *ar = devt; 545bdcd8170SKalle Valo 546d66ea4f9SVasanthakumar Thiagarajan memcpy(ar->mac_addr, datap, ETH_ALEN); 547bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "%s: mac addr = %pM\n", 548d66ea4f9SVasanthakumar Thiagarajan __func__, ar->mac_addr); 549bdcd8170SKalle Valo 550bdcd8170SKalle Valo ar->version.wlan_ver = sw_ver; 551bdcd8170SKalle Valo ar->version.abi_ver = abi_ver; 552bdcd8170SKalle Valo 553be98e3a4SVasanthakumar Thiagarajan snprintf(ar->wiphy->fw_version, 554be98e3a4SVasanthakumar Thiagarajan sizeof(ar->wiphy->fw_version), 555bdcd8170SKalle Valo "%u.%u.%u.%u", 556bdcd8170SKalle Valo (ar->version.wlan_ver & 0xf0000000) >> 28, 557bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0f000000) >> 24, 558bdcd8170SKalle Valo (ar->version.wlan_ver & 0x00ff0000) >> 16, 559bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0000ffff)); 560bdcd8170SKalle Valo 561bdcd8170SKalle Valo /* indicate to the waiting thread that the ready event was received */ 562bdcd8170SKalle Valo set_bit(WMI_READY, &ar->flag); 563bdcd8170SKalle Valo wake_up(&ar->event_wq); 5645fe4dffbSKalle Valo } 565bdcd8170SKalle Valo 566240d2799SVasanthakumar Thiagarajan void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status) 567bdcd8170SKalle Valo { 568240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 5691c17d313SKalle Valo bool aborted = false; 57059c98449SVasanthakumar Thiagarajan 5711c17d313SKalle Valo if (status != WMI_SCAN_STATUS_SUCCESS) 5721c17d313SKalle Valo aborted = true; 5731c17d313SKalle Valo 5741c17d313SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, aborted); 575bdcd8170SKalle Valo 576551185caSJouni Malinen if (!ar->usr_bss_filter) { 57759c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 578240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 579240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 580551185caSJouni Malinen } 581bdcd8170SKalle Valo 582d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status); 583bdcd8170SKalle Valo } 584bdcd8170SKalle Valo 585240d2799SVasanthakumar Thiagarajan void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid, 586bdcd8170SKalle Valo u16 listen_int, u16 beacon_int, 587bdcd8170SKalle Valo enum network_type net_type, u8 beacon_ie_len, 588bdcd8170SKalle Valo u8 assoc_req_len, u8 assoc_resp_len, 589bdcd8170SKalle Valo u8 *assoc_info) 590bdcd8170SKalle Valo { 591240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 59259c98449SVasanthakumar Thiagarajan 593240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_connect_event(vif, channel, bssid, 594bdcd8170SKalle Valo listen_int, beacon_int, 595bdcd8170SKalle Valo net_type, beacon_ie_len, 596bdcd8170SKalle Valo assoc_req_len, assoc_resp_len, 597bdcd8170SKalle Valo assoc_info); 598bdcd8170SKalle Valo 5998c8b65e3SVasanthakumar Thiagarajan memcpy(vif->bssid, bssid, sizeof(vif->bssid)); 600f74bac54SVasanthakumar Thiagarajan vif->bss_ch = channel; 601bdcd8170SKalle Valo 6028f46fccdSRaja Mani if ((vif->nw_type == INFRA_NETWORK)) 603334234b5SVasanthakumar Thiagarajan ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 6048f46fccdSRaja Mani vif->listen_intvl_t, 0); 605bdcd8170SKalle Valo 606240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 607bdcd8170SKalle Valo 608bdcd8170SKalle Valo /* Update connect & link status atomically */ 609478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 61059c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 61159c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 612240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 613478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 614bdcd8170SKalle Valo 6151d2a4456SVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt->aggr_conn); 616cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 617bdcd8170SKalle Valo 618f5938f24SVasanthakumar Thiagarajan if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) { 619bdcd8170SKalle Valo memset(ar->node_map, 0, sizeof(ar->node_map)); 620bdcd8170SKalle Valo ar->node_num = 0; 621bdcd8170SKalle Valo ar->next_ep_id = ENDPOINT_2; 622bdcd8170SKalle Valo } 623bdcd8170SKalle Valo 624551185caSJouni Malinen if (!ar->usr_bss_filter) { 62559c98449SVasanthakumar Thiagarajan set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 626240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 627240d2799SVasanthakumar Thiagarajan CURRENT_BSS_FILTER, 0); 628551185caSJouni Malinen } 629bdcd8170SKalle Valo } 630bdcd8170SKalle Valo 631240d2799SVasanthakumar Thiagarajan void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast) 632bdcd8170SKalle Valo { 633bdcd8170SKalle Valo struct ath6kl_sta *sta; 634240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 635bdcd8170SKalle Valo u8 tsc[6]; 636240d2799SVasanthakumar Thiagarajan 637bdcd8170SKalle Valo /* 638bdcd8170SKalle Valo * For AP case, keyid will have aid of STA which sent pkt with 639bdcd8170SKalle Valo * MIC error. Use this aid to get MAC & send it to hostapd. 640bdcd8170SKalle Valo */ 641f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 642bdcd8170SKalle Valo sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2)); 643bdcd8170SKalle Valo if (!sta) 644bdcd8170SKalle Valo return; 645bdcd8170SKalle Valo 646bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 647bdcd8170SKalle Valo "ap tkip mic error received from aid=%d\n", keyid); 648bdcd8170SKalle Valo 649bdcd8170SKalle Valo memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */ 650240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, sta->mac, 651bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE, keyid, 652bdcd8170SKalle Valo tsc, GFP_KERNEL); 653bdcd8170SKalle Valo } else 654240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast); 655bdcd8170SKalle Valo 656bdcd8170SKalle Valo } 657bdcd8170SKalle Valo 658240d2799SVasanthakumar Thiagarajan static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len) 659bdcd8170SKalle Valo { 660bdcd8170SKalle Valo struct wmi_target_stats *tgt_stats = 661bdcd8170SKalle Valo (struct wmi_target_stats *) ptr; 662240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 663b95907a7SVasanthakumar Thiagarajan struct target_stats *stats = &vif->target_stats; 664bdcd8170SKalle Valo struct tkip_ccmp_stats *ccmp_stats; 665bdcd8170SKalle Valo u8 ac; 666bdcd8170SKalle Valo 667bdcd8170SKalle Valo if (len < sizeof(*tgt_stats)) 668bdcd8170SKalle Valo return; 669bdcd8170SKalle Valo 670bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n"); 671bdcd8170SKalle Valo 672bdcd8170SKalle Valo stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt); 673bdcd8170SKalle Valo stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte); 674bdcd8170SKalle Valo stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt); 675bdcd8170SKalle Valo stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte); 676bdcd8170SKalle Valo stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt); 677bdcd8170SKalle Valo stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte); 678bdcd8170SKalle Valo stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt); 679bdcd8170SKalle Valo stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte); 680bdcd8170SKalle Valo stats->tx_rts_success_cnt += 681bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt); 682bdcd8170SKalle Valo 683bdcd8170SKalle Valo for (ac = 0; ac < WMM_NUM_AC; ac++) 684bdcd8170SKalle Valo stats->tx_pkt_per_ac[ac] += 685bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]); 686bdcd8170SKalle Valo 687bdcd8170SKalle Valo stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err); 688bdcd8170SKalle Valo stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt); 689bdcd8170SKalle Valo stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt); 690bdcd8170SKalle Valo stats->tx_mult_retry_cnt += 691bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt); 692bdcd8170SKalle Valo stats->tx_rts_fail_cnt += 693bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt); 694bdcd8170SKalle Valo stats->tx_ucast_rate = 695bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate)); 696bdcd8170SKalle Valo 697bdcd8170SKalle Valo stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt); 698bdcd8170SKalle Valo stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte); 699bdcd8170SKalle Valo stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt); 700bdcd8170SKalle Valo stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte); 701bdcd8170SKalle Valo stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt); 702bdcd8170SKalle Valo stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte); 703bdcd8170SKalle Valo stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt); 704bdcd8170SKalle Valo stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte); 705bdcd8170SKalle Valo stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt); 706bdcd8170SKalle Valo stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err); 707bdcd8170SKalle Valo stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err); 708bdcd8170SKalle Valo stats->rx_key_cache_miss += 709bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.rx.key_cache_miss); 710bdcd8170SKalle Valo stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err); 711bdcd8170SKalle Valo stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame); 712bdcd8170SKalle Valo stats->rx_ucast_rate = 713bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate)); 714bdcd8170SKalle Valo 715bdcd8170SKalle Valo ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats; 716bdcd8170SKalle Valo 717bdcd8170SKalle Valo stats->tkip_local_mic_fail += 718bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_local_mic_fail); 719bdcd8170SKalle Valo stats->tkip_cnter_measures_invoked += 720bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked); 721bdcd8170SKalle Valo stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err); 722bdcd8170SKalle Valo 723bdcd8170SKalle Valo stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err); 724bdcd8170SKalle Valo stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays); 725bdcd8170SKalle Valo 726bdcd8170SKalle Valo stats->pwr_save_fail_cnt += 727bdcd8170SKalle Valo le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt); 728bdcd8170SKalle Valo stats->noise_floor_calib = 729bdcd8170SKalle Valo a_sle32_to_cpu(tgt_stats->noise_floor_calib); 730bdcd8170SKalle Valo 731bdcd8170SKalle Valo stats->cs_bmiss_cnt += 732bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt); 733bdcd8170SKalle Valo stats->cs_low_rssi_cnt += 734bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt); 735bdcd8170SKalle Valo stats->cs_connect_cnt += 736bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt); 737bdcd8170SKalle Valo stats->cs_discon_cnt += 738bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt); 739bdcd8170SKalle Valo 740bdcd8170SKalle Valo stats->cs_ave_beacon_rssi = 741bdcd8170SKalle Valo a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi); 742bdcd8170SKalle Valo 743bdcd8170SKalle Valo stats->cs_last_roam_msec = 744bdcd8170SKalle Valo tgt_stats->cserv_stats.cs_last_roam_msec; 745bdcd8170SKalle Valo stats->cs_snr = tgt_stats->cserv_stats.cs_snr; 746bdcd8170SKalle Valo stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi); 747bdcd8170SKalle Valo 748bdcd8170SKalle Valo stats->lq_val = le32_to_cpu(tgt_stats->lq_val); 749bdcd8170SKalle Valo 750bdcd8170SKalle Valo stats->wow_pkt_dropped += 751bdcd8170SKalle Valo le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped); 752bdcd8170SKalle Valo stats->wow_host_pkt_wakeups += 753bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_pkt_wakeups; 754bdcd8170SKalle Valo stats->wow_host_evt_wakeups += 755bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_evt_wakeups; 756bdcd8170SKalle Valo stats->wow_evt_discarded += 757bdcd8170SKalle Valo le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded); 758bdcd8170SKalle Valo 759b95907a7SVasanthakumar Thiagarajan if (test_bit(STATS_UPDATE_PEND, &vif->flags)) { 760b95907a7SVasanthakumar Thiagarajan clear_bit(STATS_UPDATE_PEND, &vif->flags); 761bdcd8170SKalle Valo wake_up(&ar->event_wq); 762bdcd8170SKalle Valo } 763bdcd8170SKalle Valo } 764bdcd8170SKalle Valo 765bdcd8170SKalle Valo static void ath6kl_add_le32(__le32 *var, __le32 val) 766bdcd8170SKalle Valo { 767bdcd8170SKalle Valo *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val)); 768bdcd8170SKalle Valo } 769bdcd8170SKalle Valo 770240d2799SVasanthakumar Thiagarajan void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len) 771bdcd8170SKalle Valo { 772bdcd8170SKalle Valo struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr; 773240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 774bdcd8170SKalle Valo struct wmi_ap_mode_stat *ap = &ar->ap_stats; 775bdcd8170SKalle Valo struct wmi_per_sta_stat *st_ap, *st_p; 776bdcd8170SKalle Valo u8 ac; 777bdcd8170SKalle Valo 778f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 779bdcd8170SKalle Valo if (len < sizeof(*p)) 780bdcd8170SKalle Valo return; 781bdcd8170SKalle Valo 782bdcd8170SKalle Valo for (ac = 0; ac < AP_MAX_NUM_STA; ac++) { 783bdcd8170SKalle Valo st_ap = &ap->sta[ac]; 784bdcd8170SKalle Valo st_p = &p->sta[ac]; 785bdcd8170SKalle Valo 786bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes); 787bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts); 788bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error); 789bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard); 790bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes); 791bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts); 792bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error); 793bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard); 794bdcd8170SKalle Valo } 795bdcd8170SKalle Valo 796bdcd8170SKalle Valo } else { 797240d2799SVasanthakumar Thiagarajan ath6kl_update_target_stats(vif, ptr, len); 798bdcd8170SKalle Valo } 799bdcd8170SKalle Valo } 800bdcd8170SKalle Valo 801bdcd8170SKalle Valo void ath6kl_wakeup_event(void *dev) 802bdcd8170SKalle Valo { 803bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) dev; 804bdcd8170SKalle Valo 805bdcd8170SKalle Valo wake_up(&ar->event_wq); 806bdcd8170SKalle Valo } 807bdcd8170SKalle Valo 808bdcd8170SKalle Valo void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr) 809bdcd8170SKalle Valo { 810bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) devt; 811bdcd8170SKalle Valo 812bdcd8170SKalle Valo ar->tx_pwr = tx_pwr; 813bdcd8170SKalle Valo wake_up(&ar->event_wq); 814bdcd8170SKalle Valo } 815bdcd8170SKalle Valo 816240d2799SVasanthakumar Thiagarajan void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid) 817bdcd8170SKalle Valo { 818bdcd8170SKalle Valo struct ath6kl_sta *conn; 819bdcd8170SKalle Valo struct sk_buff *skb; 820bdcd8170SKalle Valo bool psq_empty = false; 821240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 822d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 823bdcd8170SKalle Valo 824bdcd8170SKalle Valo conn = ath6kl_find_sta_by_aid(ar, aid); 825bdcd8170SKalle Valo 826bdcd8170SKalle Valo if (!conn) 827bdcd8170SKalle Valo return; 828bdcd8170SKalle Valo /* 829bdcd8170SKalle Valo * Send out a packet queued on ps queue. When the ps queue 830bdcd8170SKalle Valo * becomes empty update the PVB for this station. 831bdcd8170SKalle Valo */ 832bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 833d0ff7383SNaveen Gangadharan psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0); 834bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 835bdcd8170SKalle Valo 836bdcd8170SKalle Valo if (psq_empty) 837bdcd8170SKalle Valo /* TODO: Send out a NULL data frame */ 838bdcd8170SKalle Valo return; 839bdcd8170SKalle Valo 840bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 841d0ff7383SNaveen Gangadharan if (conn->mgmt_psq_len > 0) { 842d0ff7383SNaveen Gangadharan mgmt_buf = list_first_entry(&conn->mgmt_psq, 843d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff, list); 844d0ff7383SNaveen Gangadharan list_del(&mgmt_buf->list); 845d0ff7383SNaveen Gangadharan conn->mgmt_psq_len--; 846d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 847d0ff7383SNaveen Gangadharan 848d0ff7383SNaveen Gangadharan conn->sta_flags |= STA_PS_POLLED; 849d0ff7383SNaveen Gangadharan ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, 850d0ff7383SNaveen Gangadharan mgmt_buf->id, mgmt_buf->freq, 851d0ff7383SNaveen Gangadharan mgmt_buf->wait, mgmt_buf->buf, 852d0ff7383SNaveen Gangadharan mgmt_buf->len, mgmt_buf->no_cck); 853d0ff7383SNaveen Gangadharan conn->sta_flags &= ~STA_PS_POLLED; 854d0ff7383SNaveen Gangadharan kfree(mgmt_buf); 855d0ff7383SNaveen Gangadharan } else { 856bdcd8170SKalle Valo skb = skb_dequeue(&conn->psq); 857bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 858bdcd8170SKalle Valo 859bdcd8170SKalle Valo conn->sta_flags |= STA_PS_POLLED; 860240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 861bdcd8170SKalle Valo conn->sta_flags &= ~STA_PS_POLLED; 862d0ff7383SNaveen Gangadharan } 863bdcd8170SKalle Valo 864bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 865d0ff7383SNaveen Gangadharan psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0); 866bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 867bdcd8170SKalle Valo 868bdcd8170SKalle Valo if (psq_empty) 869334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0); 870bdcd8170SKalle Valo } 871bdcd8170SKalle Valo 872240d2799SVasanthakumar Thiagarajan void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif) 873bdcd8170SKalle Valo { 874bdcd8170SKalle Valo bool mcastq_empty = false; 875bdcd8170SKalle Valo struct sk_buff *skb; 876240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 877bdcd8170SKalle Valo 878bdcd8170SKalle Valo /* 879bdcd8170SKalle Valo * If there are no associated STAs, ignore the DTIM expiry event. 880bdcd8170SKalle Valo * There can be potential race conditions where the last associated 881bdcd8170SKalle Valo * STA may disconnect & before the host could clear the 'Indicate 882bdcd8170SKalle Valo * DTIM' request to the firmware, the firmware would have just 883bdcd8170SKalle Valo * indicated a DTIM expiry event. The race is between 'clear DTIM 884bdcd8170SKalle Valo * expiry cmd' going from the host to the firmware & the DTIM 885bdcd8170SKalle Valo * expiry event happening from the firmware to the host. 886bdcd8170SKalle Valo */ 887bdcd8170SKalle Valo if (!ar->sta_list_index) 888bdcd8170SKalle Valo return; 889bdcd8170SKalle Valo 890bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 891bdcd8170SKalle Valo mcastq_empty = skb_queue_empty(&ar->mcastpsq); 892bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 893bdcd8170SKalle Valo 894bdcd8170SKalle Valo if (mcastq_empty) 895bdcd8170SKalle Valo return; 896bdcd8170SKalle Valo 897bdcd8170SKalle Valo /* set the STA flag to dtim_expired for the frame to go out */ 89859c98449SVasanthakumar Thiagarajan set_bit(DTIM_EXPIRED, &vif->flags); 899bdcd8170SKalle Valo 900bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 901bdcd8170SKalle Valo while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) { 902bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 903bdcd8170SKalle Valo 904240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 905bdcd8170SKalle Valo 906bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 907bdcd8170SKalle Valo } 908bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 909bdcd8170SKalle Valo 91059c98449SVasanthakumar Thiagarajan clear_bit(DTIM_EXPIRED, &vif->flags); 911bdcd8170SKalle Valo 912bdcd8170SKalle Valo /* clear the LSB of the BitMapCtl field of the TIM IE */ 913334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0); 914bdcd8170SKalle Valo } 915bdcd8170SKalle Valo 916240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid, 917bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info, 918bdcd8170SKalle Valo u16 prot_reason_status) 919bdcd8170SKalle Valo { 920240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 92159c98449SVasanthakumar Thiagarajan 922f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 923bdcd8170SKalle Valo if (!ath6kl_remove_sta(ar, bssid, prot_reason_status)) 924bdcd8170SKalle Valo return; 925bdcd8170SKalle Valo 926bdcd8170SKalle Valo /* if no more associated STAs, empty the mcast PS q */ 927bdcd8170SKalle Valo if (ar->sta_list_index == 0) { 928bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 929bdcd8170SKalle Valo skb_queue_purge(&ar->mcastpsq); 930bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 931bdcd8170SKalle Valo 932bdcd8170SKalle Valo /* clear the LSB of the TIM IE's BitMapCtl field */ 933bdcd8170SKalle Valo if (test_bit(WMI_READY, &ar->flag)) 934334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 935334234b5SVasanthakumar Thiagarajan MCAST_AID, 0); 936bdcd8170SKalle Valo } 937bdcd8170SKalle Valo 938bdcd8170SKalle Valo if (!is_broadcast_ether_addr(bssid)) { 939bdcd8170SKalle Valo /* send event to application */ 940240d2799SVasanthakumar Thiagarajan cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL); 941bdcd8170SKalle Valo } 942bdcd8170SKalle Valo 943240d2799SVasanthakumar Thiagarajan if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) { 9446f2a73f9SVasanthakumar Thiagarajan memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); 94559c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 946151411e8SJouni Malinen } 947bdcd8170SKalle Valo return; 948bdcd8170SKalle Valo } 949bdcd8170SKalle Valo 950240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_disconnect_event(vif, reason, bssid, 951bdcd8170SKalle Valo assoc_resp_len, assoc_info, 952bdcd8170SKalle Valo prot_reason_status); 953bdcd8170SKalle Valo 9541d2a4456SVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt->aggr_conn); 955bdcd8170SKalle Valo 956de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 957bdcd8170SKalle Valo 958d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason); 959bdcd8170SKalle Valo 960bdcd8170SKalle Valo /* 961bdcd8170SKalle Valo * If the event is due to disconnect cmd from the host, only they 962bdcd8170SKalle Valo * the target would stop trying to connect. Under any other 963bdcd8170SKalle Valo * condition, target would keep trying to connect. 964bdcd8170SKalle Valo */ 965bdcd8170SKalle Valo if (reason == DISCONNECT_CMD) { 966bdcd8170SKalle Valo if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag)) 967240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 968240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 969bdcd8170SKalle Valo } else { 97059c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 971bdcd8170SKalle Valo if (((reason == ASSOC_FAILED) && 972bdcd8170SKalle Valo (prot_reason_status == 0x11)) || 973ddc3d77cSKalle Valo ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) && 974ddc3d77cSKalle Valo (vif->reconnect_flag == 1))) { 97559c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 976bdcd8170SKalle Valo return; 977bdcd8170SKalle Valo } 978bdcd8170SKalle Valo } 979bdcd8170SKalle Valo 980bdcd8170SKalle Valo /* update connect & link status atomically */ 981478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 98259c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 983240d2799SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 984478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 985bdcd8170SKalle Valo 986cf5333d7SVasanthakumar Thiagarajan if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1)) 987cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 988bdcd8170SKalle Valo 989bdcd8170SKalle Valo if (reason != CSERV_DISCONNECT) 990bdcd8170SKalle Valo ar->user_key_ctrl = 0; 991bdcd8170SKalle Valo 992240d2799SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 9938c8b65e3SVasanthakumar Thiagarajan memset(vif->bssid, 0, sizeof(vif->bssid)); 994f74bac54SVasanthakumar Thiagarajan vif->bss_ch = 0; 995bdcd8170SKalle Valo 996bdcd8170SKalle Valo ath6kl_tx_data_cleanup(ar); 997bdcd8170SKalle Valo } 998bdcd8170SKalle Valo 999990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar) 1000990bd915SVasanthakumar Thiagarajan { 1001990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1002990bd915SVasanthakumar Thiagarajan 100311f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 1004990bd915SVasanthakumar Thiagarajan if (list_empty(&ar->vif_list)) { 100511f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 1006990bd915SVasanthakumar Thiagarajan return NULL; 1007990bd915SVasanthakumar Thiagarajan } 1008990bd915SVasanthakumar Thiagarajan 1009990bd915SVasanthakumar Thiagarajan vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list); 1010990bd915SVasanthakumar Thiagarajan 101111f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 1012990bd915SVasanthakumar Thiagarajan 1013990bd915SVasanthakumar Thiagarajan return vif; 1014990bd915SVasanthakumar Thiagarajan } 1015990bd915SVasanthakumar Thiagarajan 1016bdcd8170SKalle Valo static int ath6kl_open(struct net_device *dev) 1017bdcd8170SKalle Valo { 101859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1019bdcd8170SKalle Valo 102059c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 1021bdcd8170SKalle Valo 102259c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1023bdcd8170SKalle Valo netif_carrier_on(dev); 1024bdcd8170SKalle Valo netif_wake_queue(dev); 1025bdcd8170SKalle Valo } else 1026bdcd8170SKalle Valo netif_carrier_off(dev); 1027bdcd8170SKalle Valo 1028bdcd8170SKalle Valo return 0; 1029bdcd8170SKalle Valo } 1030bdcd8170SKalle Valo 1031bdcd8170SKalle Valo static int ath6kl_close(struct net_device *dev) 1032bdcd8170SKalle Valo { 103359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1034bdcd8170SKalle Valo 1035bdcd8170SKalle Valo netif_stop_queue(dev); 1036bdcd8170SKalle Valo 10377125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 1038bdcd8170SKalle Valo 103968469341SKalle Valo clear_bit(WLAN_ENABLED, &vif->flags); 104068469341SKalle Valo 1041bdcd8170SKalle Valo return 0; 1042bdcd8170SKalle Valo } 1043bdcd8170SKalle Valo 1044bdcd8170SKalle Valo static struct net_device_stats *ath6kl_get_stats(struct net_device *dev) 1045bdcd8170SKalle Valo { 1046b95907a7SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1047bdcd8170SKalle Valo 1048b95907a7SVasanthakumar Thiagarajan return &vif->net_stats; 1049bdcd8170SKalle Valo } 1050bdcd8170SKalle Valo 1051d6f80261SKalle Valo static int ath6kl_set_features(struct net_device *dev, 1052d6f80261SKalle Valo netdev_features_t features) 1053bc48ad31SRishi Panjwani { 1054bc48ad31SRishi Panjwani struct ath6kl_vif *vif = netdev_priv(dev); 1055bc48ad31SRishi Panjwani struct ath6kl *ar = vif->ar; 1056bc48ad31SRishi Panjwani int err = 0; 1057bc48ad31SRishi Panjwani 1058bc48ad31SRishi Panjwani if ((features & NETIF_F_RXCSUM) && 1059bc48ad31SRishi Panjwani (ar->rx_meta_ver != WMI_META_VERSION_2)) { 1060bc48ad31SRishi Panjwani ar->rx_meta_ver = WMI_META_VERSION_2; 1061bc48ad31SRishi Panjwani err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, 1062bc48ad31SRishi Panjwani vif->fw_vif_idx, 1063bc48ad31SRishi Panjwani ar->rx_meta_ver, 0, 0); 1064bc48ad31SRishi Panjwani if (err) { 1065bc48ad31SRishi Panjwani dev->features = features & ~NETIF_F_RXCSUM; 1066bc48ad31SRishi Panjwani return err; 1067bc48ad31SRishi Panjwani } 1068bc48ad31SRishi Panjwani } else if (!(features & NETIF_F_RXCSUM) && 1069bc48ad31SRishi Panjwani (ar->rx_meta_ver == WMI_META_VERSION_2)) { 1070bc48ad31SRishi Panjwani ar->rx_meta_ver = 0; 1071bc48ad31SRishi Panjwani err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, 1072bc48ad31SRishi Panjwani vif->fw_vif_idx, 1073bc48ad31SRishi Panjwani ar->rx_meta_ver, 0, 0); 1074bc48ad31SRishi Panjwani if (err) { 1075bc48ad31SRishi Panjwani dev->features = features | NETIF_F_RXCSUM; 1076bc48ad31SRishi Panjwani return err; 1077bc48ad31SRishi Panjwani } 1078bc48ad31SRishi Panjwani 1079bc48ad31SRishi Panjwani } 1080bc48ad31SRishi Panjwani 1081bc48ad31SRishi Panjwani return err; 1082bc48ad31SRishi Panjwani } 1083bc48ad31SRishi Panjwani 108480abaf9bSVasanthakumar Thiagarajan static void ath6kl_set_multicast_list(struct net_device *ndev) 108580abaf9bSVasanthakumar Thiagarajan { 108680abaf9bSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 108780abaf9bSVasanthakumar Thiagarajan bool mc_all_on = false, mc_all_off = false; 108880abaf9bSVasanthakumar Thiagarajan int mc_count = netdev_mc_count(ndev); 108980abaf9bSVasanthakumar Thiagarajan struct netdev_hw_addr *ha; 109080abaf9bSVasanthakumar Thiagarajan bool found; 109180abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 109280abaf9bSVasanthakumar Thiagarajan struct list_head mc_filter_new; 109380abaf9bSVasanthakumar Thiagarajan int ret; 109480abaf9bSVasanthakumar Thiagarajan 109580abaf9bSVasanthakumar Thiagarajan if (!test_bit(WMI_READY, &vif->ar->flag) || 109680abaf9bSVasanthakumar Thiagarajan !test_bit(WLAN_ENABLED, &vif->flags)) 109780abaf9bSVasanthakumar Thiagarajan return; 109880abaf9bSVasanthakumar Thiagarajan 109980abaf9bSVasanthakumar Thiagarajan mc_all_on = !!(ndev->flags & IFF_PROMISC) || 110080abaf9bSVasanthakumar Thiagarajan !!(ndev->flags & IFF_ALLMULTI) || 110180abaf9bSVasanthakumar Thiagarajan !!(mc_count > ATH6K_MAX_MC_FILTERS_PER_LIST); 110280abaf9bSVasanthakumar Thiagarajan 110380abaf9bSVasanthakumar Thiagarajan mc_all_off = !(ndev->flags & IFF_MULTICAST) || mc_count == 0; 110480abaf9bSVasanthakumar Thiagarajan 110580abaf9bSVasanthakumar Thiagarajan if (mc_all_on || mc_all_off) { 110680abaf9bSVasanthakumar Thiagarajan /* Enable/disable all multicast */ 110780abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC, "%s multicast filter\n", 110880abaf9bSVasanthakumar Thiagarajan mc_all_on ? "enabling" : "disabling"); 110980abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, vif->fw_vif_idx, 111080abaf9bSVasanthakumar Thiagarajan mc_all_on); 111180abaf9bSVasanthakumar Thiagarajan if (ret) 111280abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to %s multicast receive\n", 111380abaf9bSVasanthakumar Thiagarajan mc_all_on ? "enable" : "disable"); 111480abaf9bSVasanthakumar Thiagarajan return; 111580abaf9bSVasanthakumar Thiagarajan } 111680abaf9bSVasanthakumar Thiagarajan 111780abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 111880abaf9bSVasanthakumar Thiagarajan found = false; 111980abaf9bSVasanthakumar Thiagarajan netdev_for_each_mc_addr(ha, ndev) { 112080abaf9bSVasanthakumar Thiagarajan if (memcmp(ha->addr, mc_filter->hw_addr, 112180abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { 112280abaf9bSVasanthakumar Thiagarajan found = true; 112380abaf9bSVasanthakumar Thiagarajan break; 112480abaf9bSVasanthakumar Thiagarajan } 112580abaf9bSVasanthakumar Thiagarajan } 112680abaf9bSVasanthakumar Thiagarajan 112780abaf9bSVasanthakumar Thiagarajan if (!found) { 112880abaf9bSVasanthakumar Thiagarajan /* 112980abaf9bSVasanthakumar Thiagarajan * Delete the filter which was previously set 113080abaf9bSVasanthakumar Thiagarajan * but not in the new request. 113180abaf9bSVasanthakumar Thiagarajan */ 113280abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC, 113380abaf9bSVasanthakumar Thiagarajan "Removing %pM from multicast filter\n", 113480abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 113580abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, 113680abaf9bSVasanthakumar Thiagarajan vif->fw_vif_idx, mc_filter->hw_addr, 113780abaf9bSVasanthakumar Thiagarajan false); 113880abaf9bSVasanthakumar Thiagarajan if (ret) { 113980abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to remove multicast filter:%pM\n", 114080abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 114180abaf9bSVasanthakumar Thiagarajan return; 114280abaf9bSVasanthakumar Thiagarajan } 114380abaf9bSVasanthakumar Thiagarajan 114480abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 114580abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 114680abaf9bSVasanthakumar Thiagarajan } 114780abaf9bSVasanthakumar Thiagarajan } 114880abaf9bSVasanthakumar Thiagarajan 114980abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&mc_filter_new); 115080abaf9bSVasanthakumar Thiagarajan 115180abaf9bSVasanthakumar Thiagarajan netdev_for_each_mc_addr(ha, ndev) { 115280abaf9bSVasanthakumar Thiagarajan found = false; 115380abaf9bSVasanthakumar Thiagarajan list_for_each_entry(mc_filter, &vif->mc_filter, list) { 115480abaf9bSVasanthakumar Thiagarajan if (memcmp(ha->addr, mc_filter->hw_addr, 115580abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { 115680abaf9bSVasanthakumar Thiagarajan found = true; 115780abaf9bSVasanthakumar Thiagarajan break; 115880abaf9bSVasanthakumar Thiagarajan } 115980abaf9bSVasanthakumar Thiagarajan } 116080abaf9bSVasanthakumar Thiagarajan 116180abaf9bSVasanthakumar Thiagarajan if (!found) { 116280abaf9bSVasanthakumar Thiagarajan mc_filter = kzalloc(sizeof(struct ath6kl_mc_filter), 116380abaf9bSVasanthakumar Thiagarajan GFP_ATOMIC); 116480abaf9bSVasanthakumar Thiagarajan if (!mc_filter) { 116580abaf9bSVasanthakumar Thiagarajan WARN_ON(1); 116680abaf9bSVasanthakumar Thiagarajan goto out; 116780abaf9bSVasanthakumar Thiagarajan } 116880abaf9bSVasanthakumar Thiagarajan 116980abaf9bSVasanthakumar Thiagarajan memcpy(mc_filter->hw_addr, ha->addr, 117080abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE); 117180abaf9bSVasanthakumar Thiagarajan /* Set the multicast filter */ 117280abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC, 117380abaf9bSVasanthakumar Thiagarajan "Adding %pM to multicast filter list\n", 117480abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 117580abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, 117680abaf9bSVasanthakumar Thiagarajan vif->fw_vif_idx, mc_filter->hw_addr, 117780abaf9bSVasanthakumar Thiagarajan true); 117880abaf9bSVasanthakumar Thiagarajan if (ret) { 117980abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to add multicast filter :%pM\n", 118080abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 118180abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 118280abaf9bSVasanthakumar Thiagarajan goto out; 118380abaf9bSVasanthakumar Thiagarajan } 118480abaf9bSVasanthakumar Thiagarajan 118580abaf9bSVasanthakumar Thiagarajan list_add_tail(&mc_filter->list, &mc_filter_new); 118680abaf9bSVasanthakumar Thiagarajan } 118780abaf9bSVasanthakumar Thiagarajan } 118880abaf9bSVasanthakumar Thiagarajan 118980abaf9bSVasanthakumar Thiagarajan out: 119080abaf9bSVasanthakumar Thiagarajan list_splice_tail(&mc_filter_new, &vif->mc_filter); 119180abaf9bSVasanthakumar Thiagarajan } 119280abaf9bSVasanthakumar Thiagarajan 11934269a930SStephen Hemminger static const struct net_device_ops ath6kl_netdev_ops = { 1194bdcd8170SKalle Valo .ndo_open = ath6kl_open, 1195bdcd8170SKalle Valo .ndo_stop = ath6kl_close, 1196bdcd8170SKalle Valo .ndo_start_xmit = ath6kl_data_tx, 1197bdcd8170SKalle Valo .ndo_get_stats = ath6kl_get_stats, 1198bc48ad31SRishi Panjwani .ndo_set_features = ath6kl_set_features, 119980abaf9bSVasanthakumar Thiagarajan .ndo_set_rx_mode = ath6kl_set_multicast_list, 1200bdcd8170SKalle Valo }; 1201bdcd8170SKalle Valo 1202bdcd8170SKalle Valo void init_netdev(struct net_device *dev) 1203bdcd8170SKalle Valo { 1204bdcd8170SKalle Valo dev->netdev_ops = &ath6kl_netdev_ops; 120527929723SVasanthakumar Thiagarajan dev->destructor = free_netdev; 1206bdcd8170SKalle Valo dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; 1207bdcd8170SKalle Valo 1208bdcd8170SKalle Valo dev->needed_headroom = ETH_HLEN; 1209bdcd8170SKalle Valo dev->needed_headroom += sizeof(struct ath6kl_llc_snap_hdr) + 1210bdcd8170SKalle Valo sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH 12111df94a85SVasanthakumar Thiagarajan + WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES; 1212bdcd8170SKalle Valo 12134705b703SVasanthakumar Thiagarajan dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; 12144705b703SVasanthakumar Thiagarajan 1215bdcd8170SKalle Valo return; 1216bdcd8170SKalle Valo } 1217