1bdcd8170SKalle Valo /* 2bdcd8170SKalle Valo * Copyright (c) 2004-2011 Atheros Communications Inc. 3bdcd8170SKalle Valo * 4bdcd8170SKalle Valo * Permission to use, copy, modify, and/or distribute this software for any 5bdcd8170SKalle Valo * purpose with or without fee is hereby granted, provided that the above 6bdcd8170SKalle Valo * copyright notice and this permission notice appear in all copies. 7bdcd8170SKalle Valo * 8bdcd8170SKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9bdcd8170SKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10bdcd8170SKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11bdcd8170SKalle Valo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12bdcd8170SKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13bdcd8170SKalle Valo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14bdcd8170SKalle Valo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15bdcd8170SKalle Valo */ 16bdcd8170SKalle Valo 17bdcd8170SKalle Valo #include "core.h" 18bdcd8170SKalle Valo #include "hif-ops.h" 19bdcd8170SKalle Valo #include "cfg80211.h" 20bdcd8170SKalle Valo #include "target.h" 21bdcd8170SKalle Valo #include "debug.h" 22bdcd8170SKalle Valo 236765d0aaSVasanthakumar Thiagarajan struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr) 24bdcd8170SKalle Valo { 256765d0aaSVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 26bdcd8170SKalle Valo struct ath6kl_sta *conn = NULL; 27bdcd8170SKalle Valo u8 i, max_conn; 28bdcd8170SKalle Valo 29f5938f24SVasanthakumar Thiagarajan max_conn = (vif->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0; 30bdcd8170SKalle Valo 31bdcd8170SKalle Valo for (i = 0; i < max_conn; i++) { 32bdcd8170SKalle Valo if (memcmp(node_addr, ar->sta_list[i].mac, ETH_ALEN) == 0) { 33bdcd8170SKalle Valo conn = &ar->sta_list[i]; 34bdcd8170SKalle Valo break; 35bdcd8170SKalle Valo } 36bdcd8170SKalle Valo } 37bdcd8170SKalle Valo 38bdcd8170SKalle Valo return conn; 39bdcd8170SKalle Valo } 40bdcd8170SKalle Valo 41bdcd8170SKalle Valo struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid) 42bdcd8170SKalle Valo { 43bdcd8170SKalle Valo struct ath6kl_sta *conn = NULL; 44bdcd8170SKalle Valo u8 ctr; 45bdcd8170SKalle Valo 46bdcd8170SKalle Valo for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { 47bdcd8170SKalle Valo if (ar->sta_list[ctr].aid == aid) { 48bdcd8170SKalle Valo conn = &ar->sta_list[ctr]; 49bdcd8170SKalle Valo break; 50bdcd8170SKalle Valo } 51bdcd8170SKalle Valo } 52bdcd8170SKalle Valo return conn; 53bdcd8170SKalle Valo } 54bdcd8170SKalle Valo 55bdcd8170SKalle Valo static void ath6kl_add_new_sta(struct ath6kl *ar, u8 *mac, u16 aid, u8 *wpaie, 56bdcd8170SKalle Valo u8 ielen, u8 keymgmt, u8 ucipher, u8 auth) 57bdcd8170SKalle Valo { 58bdcd8170SKalle Valo struct ath6kl_sta *sta; 59bdcd8170SKalle Valo u8 free_slot; 60bdcd8170SKalle Valo 61bdcd8170SKalle Valo free_slot = aid - 1; 62bdcd8170SKalle Valo 63bdcd8170SKalle Valo sta = &ar->sta_list[free_slot]; 64bdcd8170SKalle Valo memcpy(sta->mac, mac, ETH_ALEN); 653c774bbaSJouni Malinen if (ielen <= ATH6KL_MAX_IE) 66bdcd8170SKalle Valo memcpy(sta->wpa_ie, wpaie, ielen); 67bdcd8170SKalle Valo sta->aid = aid; 68bdcd8170SKalle Valo sta->keymgmt = keymgmt; 69bdcd8170SKalle Valo sta->ucipher = ucipher; 70bdcd8170SKalle Valo sta->auth = auth; 71bdcd8170SKalle Valo 72bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index | (1 << free_slot); 73bdcd8170SKalle Valo ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid); 74bdcd8170SKalle Valo } 75bdcd8170SKalle Valo 76bdcd8170SKalle Valo static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i) 77bdcd8170SKalle Valo { 78bdcd8170SKalle Valo struct ath6kl_sta *sta = &ar->sta_list[i]; 79bdcd8170SKalle Valo 80bdcd8170SKalle Valo /* empty the queued pkts in the PS queue if any */ 81bdcd8170SKalle Valo spin_lock_bh(&sta->psq_lock); 82bdcd8170SKalle Valo skb_queue_purge(&sta->psq); 83bdcd8170SKalle Valo spin_unlock_bh(&sta->psq_lock); 84bdcd8170SKalle Valo 85bdcd8170SKalle Valo memset(&ar->ap_stats.sta[sta->aid - 1], 0, 86bdcd8170SKalle Valo sizeof(struct wmi_per_sta_stat)); 87bdcd8170SKalle Valo memset(sta->mac, 0, ETH_ALEN); 88bdcd8170SKalle Valo memset(sta->wpa_ie, 0, ATH6KL_MAX_IE); 89bdcd8170SKalle Valo sta->aid = 0; 90bdcd8170SKalle Valo sta->sta_flags = 0; 91bdcd8170SKalle Valo 92bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index & ~(1 << i); 93bdcd8170SKalle Valo 94bdcd8170SKalle Valo } 95bdcd8170SKalle Valo 96bdcd8170SKalle Valo static u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason) 97bdcd8170SKalle Valo { 98bdcd8170SKalle Valo u8 i, removed = 0; 99bdcd8170SKalle Valo 100bdcd8170SKalle Valo if (is_zero_ether_addr(mac)) 101bdcd8170SKalle Valo return removed; 102bdcd8170SKalle Valo 103bdcd8170SKalle Valo if (is_broadcast_ether_addr(mac)) { 104bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "deleting all station\n"); 105bdcd8170SKalle Valo 106bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 107bdcd8170SKalle Valo if (!is_zero_ether_addr(ar->sta_list[i].mac)) { 108bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 109bdcd8170SKalle Valo removed = 1; 110bdcd8170SKalle Valo } 111bdcd8170SKalle Valo } 112bdcd8170SKalle Valo } else { 113bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 114bdcd8170SKalle Valo if (memcmp(ar->sta_list[i].mac, mac, ETH_ALEN) == 0) { 115bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 116bdcd8170SKalle Valo "deleting station %pM aid=%d reason=%d\n", 117bdcd8170SKalle Valo mac, ar->sta_list[i].aid, reason); 118bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 119bdcd8170SKalle Valo removed = 1; 120bdcd8170SKalle Valo break; 121bdcd8170SKalle Valo } 122bdcd8170SKalle Valo } 123bdcd8170SKalle Valo } 124bdcd8170SKalle Valo 125bdcd8170SKalle Valo return removed; 126bdcd8170SKalle Valo } 127bdcd8170SKalle Valo 128bdcd8170SKalle Valo enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac) 129bdcd8170SKalle Valo { 130bdcd8170SKalle Valo struct ath6kl *ar = devt; 131bdcd8170SKalle Valo return ar->ac2ep_map[ac]; 132bdcd8170SKalle Valo } 133bdcd8170SKalle Valo 134bdcd8170SKalle Valo struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar) 135bdcd8170SKalle Valo { 136bdcd8170SKalle Valo struct ath6kl_cookie *cookie; 137bdcd8170SKalle Valo 138bdcd8170SKalle Valo cookie = ar->cookie_list; 139bdcd8170SKalle Valo if (cookie != NULL) { 140bdcd8170SKalle Valo ar->cookie_list = cookie->arc_list_next; 141bdcd8170SKalle Valo ar->cookie_count--; 142bdcd8170SKalle Valo } 143bdcd8170SKalle Valo 144bdcd8170SKalle Valo return cookie; 145bdcd8170SKalle Valo } 146bdcd8170SKalle Valo 147bdcd8170SKalle Valo void ath6kl_cookie_init(struct ath6kl *ar) 148bdcd8170SKalle Valo { 149bdcd8170SKalle Valo u32 i; 150bdcd8170SKalle Valo 151bdcd8170SKalle Valo ar->cookie_list = NULL; 152bdcd8170SKalle Valo ar->cookie_count = 0; 153bdcd8170SKalle Valo 154bdcd8170SKalle Valo memset(ar->cookie_mem, 0, sizeof(ar->cookie_mem)); 155bdcd8170SKalle Valo 156bdcd8170SKalle Valo for (i = 0; i < MAX_COOKIE_NUM; i++) 157bdcd8170SKalle Valo ath6kl_free_cookie(ar, &ar->cookie_mem[i]); 158bdcd8170SKalle Valo } 159bdcd8170SKalle Valo 160bdcd8170SKalle Valo void ath6kl_cookie_cleanup(struct ath6kl *ar) 161bdcd8170SKalle Valo { 162bdcd8170SKalle Valo ar->cookie_list = NULL; 163bdcd8170SKalle Valo ar->cookie_count = 0; 164bdcd8170SKalle Valo } 165bdcd8170SKalle Valo 166bdcd8170SKalle Valo void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie) 167bdcd8170SKalle Valo { 168bdcd8170SKalle Valo /* Insert first */ 169bdcd8170SKalle Valo 170bdcd8170SKalle Valo if (!ar || !cookie) 171bdcd8170SKalle Valo return; 172bdcd8170SKalle Valo 173bdcd8170SKalle Valo cookie->arc_list_next = ar->cookie_list; 174bdcd8170SKalle Valo ar->cookie_list = cookie; 175bdcd8170SKalle Valo ar->cookie_count++; 176bdcd8170SKalle Valo } 177bdcd8170SKalle Valo 178bdcd8170SKalle Valo /* set the window address register (using 4-byte register access ). */ 179bdcd8170SKalle Valo static int ath6kl_set_addrwin_reg(struct ath6kl *ar, u32 reg_addr, u32 addr) 180bdcd8170SKalle Valo { 181bdcd8170SKalle Valo int status; 182bdcd8170SKalle Valo s32 i; 183b142b914SVasanthakumar Thiagarajan __le32 addr_val; 184bdcd8170SKalle Valo 185bdcd8170SKalle Valo /* 186bdcd8170SKalle Valo * Write bytes 1,2,3 of the register to set the upper address bytes, 187bdcd8170SKalle Valo * the LSB is written last to initiate the access cycle 188bdcd8170SKalle Valo */ 189bdcd8170SKalle Valo 190bdcd8170SKalle Valo for (i = 1; i <= 3; i++) { 191bdcd8170SKalle Valo /* 192bdcd8170SKalle Valo * Fill the buffer with the address byte value we want to 193b142b914SVasanthakumar Thiagarajan * hit 4 times. No need to worry about endianness as the 194b142b914SVasanthakumar Thiagarajan * same byte is copied to all four bytes of addr_val at 195b142b914SVasanthakumar Thiagarajan * any time. 196bdcd8170SKalle Valo */ 197b142b914SVasanthakumar Thiagarajan memset((u8 *)&addr_val, ((u8 *)&addr)[i], 4); 198bdcd8170SKalle Valo 199bdcd8170SKalle Valo /* 200bdcd8170SKalle Valo * Hit each byte of the register address with a 4-byte 201bdcd8170SKalle Valo * write operation to the same address, this is a harmless 202bdcd8170SKalle Valo * operation. 203bdcd8170SKalle Valo */ 204b142b914SVasanthakumar Thiagarajan status = hif_read_write_sync(ar, reg_addr + i, (u8 *)&addr_val, 205bdcd8170SKalle Valo 4, HIF_WR_SYNC_BYTE_FIX); 206bdcd8170SKalle Valo if (status) 207bdcd8170SKalle Valo break; 208bdcd8170SKalle Valo } 209bdcd8170SKalle Valo 210bdcd8170SKalle Valo if (status) { 211bdcd8170SKalle Valo ath6kl_err("failed to write initial bytes of 0x%x to window reg: 0x%X\n", 212bdcd8170SKalle Valo addr, reg_addr); 213bdcd8170SKalle Valo return status; 214bdcd8170SKalle Valo } 215bdcd8170SKalle Valo 216bdcd8170SKalle Valo /* 217bdcd8170SKalle Valo * Write the address register again, this time write the whole 218bdcd8170SKalle Valo * 4-byte value. The effect here is that the LSB write causes the 219bdcd8170SKalle Valo * cycle to start, the extra 3 byte write to bytes 1,2,3 has no 220bdcd8170SKalle Valo * effect since we are writing the same values again 221bdcd8170SKalle Valo */ 222b142b914SVasanthakumar Thiagarajan addr_val = cpu_to_le32(addr); 223b142b914SVasanthakumar Thiagarajan status = hif_read_write_sync(ar, reg_addr, 224b142b914SVasanthakumar Thiagarajan (u8 *)&(addr_val), 225bdcd8170SKalle Valo 4, HIF_WR_SYNC_BYTE_INC); 226bdcd8170SKalle Valo 227bdcd8170SKalle Valo if (status) { 228bdcd8170SKalle Valo ath6kl_err("failed to write 0x%x to window reg: 0x%X\n", 229bdcd8170SKalle Valo addr, reg_addr); 230bdcd8170SKalle Valo return status; 231bdcd8170SKalle Valo } 232bdcd8170SKalle Valo 233bdcd8170SKalle Valo return 0; 234bdcd8170SKalle Valo } 235bdcd8170SKalle Valo 236bdcd8170SKalle Valo /* 237addb44beSKalle Valo * Read from the hardware through its diagnostic window. No cooperation 238addb44beSKalle Valo * from the firmware is required for this. 239bdcd8170SKalle Valo */ 240addb44beSKalle Valo int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value) 241bdcd8170SKalle Valo { 242addb44beSKalle Valo int ret; 243bdcd8170SKalle Valo 244bdcd8170SKalle Valo /* set window register to start read cycle */ 245addb44beSKalle Valo ret = ath6kl_set_addrwin_reg(ar, WINDOW_READ_ADDR_ADDRESS, address); 246addb44beSKalle Valo if (ret) 247addb44beSKalle Valo return ret; 248bdcd8170SKalle Valo 249bdcd8170SKalle Valo /* read the data */ 250addb44beSKalle Valo ret = hif_read_write_sync(ar, WINDOW_DATA_ADDRESS, (u8 *) value, 251addb44beSKalle Valo sizeof(*value), HIF_RD_SYNC_BYTE_INC); 252addb44beSKalle Valo if (ret) { 253addb44beSKalle Valo ath6kl_warn("failed to read32 through diagnose window: %d\n", 254addb44beSKalle Valo ret); 255addb44beSKalle Valo return ret; 256bdcd8170SKalle Valo } 257bdcd8170SKalle Valo 258addb44beSKalle Valo return 0; 259bdcd8170SKalle Valo } 260bdcd8170SKalle Valo 261bdcd8170SKalle Valo /* 262bdcd8170SKalle Valo * Write to the ATH6KL through its diagnostic window. No cooperation from 263bdcd8170SKalle Valo * the Target is required for this. 264bdcd8170SKalle Valo */ 265f9ea0753SVasanthakumar Thiagarajan int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value) 266bdcd8170SKalle Valo { 267addb44beSKalle Valo int ret; 268bdcd8170SKalle Valo 269bdcd8170SKalle Valo /* set write data */ 270addb44beSKalle Valo ret = hif_read_write_sync(ar, WINDOW_DATA_ADDRESS, (u8 *) &value, 271addb44beSKalle Valo sizeof(value), HIF_WR_SYNC_BYTE_INC); 272addb44beSKalle Valo if (ret) { 273addb44beSKalle Valo ath6kl_err("failed to write 0x%x during diagnose window to 0x%d\n", 274addb44beSKalle Valo address, value); 275addb44beSKalle Valo return ret; 276bdcd8170SKalle Valo } 277bdcd8170SKalle Valo 278bdcd8170SKalle Valo /* set window register, which starts the write cycle */ 279bdcd8170SKalle Valo return ath6kl_set_addrwin_reg(ar, WINDOW_WRITE_ADDR_ADDRESS, 280addb44beSKalle Valo address); 281bdcd8170SKalle Valo } 282bdcd8170SKalle Valo 283addb44beSKalle Valo int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length) 284bdcd8170SKalle Valo { 285addb44beSKalle Valo u32 count, *buf = data; 286addb44beSKalle Valo int ret; 287bdcd8170SKalle Valo 288addb44beSKalle Valo if (WARN_ON(length % 4)) 289addb44beSKalle Valo return -EINVAL; 290addb44beSKalle Valo 291addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 292addb44beSKalle Valo ret = ath6kl_diag_read32(ar, address, &buf[count]); 293addb44beSKalle Valo if (ret) 294addb44beSKalle Valo return ret; 295bdcd8170SKalle Valo } 296bdcd8170SKalle Valo 297addb44beSKalle Valo return 0; 298addb44beSKalle Valo } 299addb44beSKalle Valo 300addb44beSKalle Valo int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length) 301addb44beSKalle Valo { 302f9ea0753SVasanthakumar Thiagarajan u32 count; 303f9ea0753SVasanthakumar Thiagarajan __le32 *buf = data; 304addb44beSKalle Valo int ret; 305addb44beSKalle Valo 306addb44beSKalle Valo if (WARN_ON(length % 4)) 307addb44beSKalle Valo return -EINVAL; 308addb44beSKalle Valo 309addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 310addb44beSKalle Valo ret = ath6kl_diag_write32(ar, address, buf[count]); 311addb44beSKalle Valo if (ret) 312addb44beSKalle Valo return ret; 313addb44beSKalle Valo } 314addb44beSKalle Valo 315addb44beSKalle Valo return 0; 316bdcd8170SKalle Valo } 317bdcd8170SKalle Valo 318bc07ddb2SKalle Valo int ath6kl_read_fwlogs(struct ath6kl *ar) 319bc07ddb2SKalle Valo { 320bc07ddb2SKalle Valo struct ath6kl_dbglog_hdr debug_hdr; 321bc07ddb2SKalle Valo struct ath6kl_dbglog_buf debug_buf; 322bc07ddb2SKalle Valo u32 address, length, dropped, firstbuf, debug_hdr_addr; 323bc07ddb2SKalle Valo int ret = 0, loop; 324bc07ddb2SKalle Valo u8 *buf; 325bc07ddb2SKalle Valo 326bc07ddb2SKalle Valo buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL); 327bc07ddb2SKalle Valo if (!buf) 328bc07ddb2SKalle Valo return -ENOMEM; 329bc07ddb2SKalle Valo 330bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 331bc07ddb2SKalle Valo ath6kl_get_hi_item_addr(ar, 332bc07ddb2SKalle Valo HI_ITEM(hi_dbglog_hdr))); 333bc07ddb2SKalle Valo 334bc07ddb2SKalle Valo ret = ath6kl_diag_read32(ar, address, &debug_hdr_addr); 335bc07ddb2SKalle Valo if (ret) 336bc07ddb2SKalle Valo goto out; 337bc07ddb2SKalle Valo 338bc07ddb2SKalle Valo /* Get the contents of the ring buffer */ 339bc07ddb2SKalle Valo if (debug_hdr_addr == 0) { 340bc07ddb2SKalle Valo ath6kl_warn("Invalid address for debug_hdr_addr\n"); 341bc07ddb2SKalle Valo ret = -EINVAL; 342bc07ddb2SKalle Valo goto out; 343bc07ddb2SKalle Valo } 344bc07ddb2SKalle Valo 345bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, debug_hdr_addr); 346bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr)); 347bc07ddb2SKalle Valo 348bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 349bc07ddb2SKalle Valo le32_to_cpu(debug_hdr.dbuf_addr)); 350bc07ddb2SKalle Valo firstbuf = address; 351bc07ddb2SKalle Valo dropped = le32_to_cpu(debug_hdr.dropped); 352bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 353bc07ddb2SKalle Valo 354bc07ddb2SKalle Valo loop = 100; 355bc07ddb2SKalle Valo 356bc07ddb2SKalle Valo do { 357bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 358bc07ddb2SKalle Valo le32_to_cpu(debug_buf.buffer_addr)); 359bc07ddb2SKalle Valo length = le32_to_cpu(debug_buf.length); 360bc07ddb2SKalle Valo 361bc07ddb2SKalle Valo if (length != 0 && (le32_to_cpu(debug_buf.length) <= 362bc07ddb2SKalle Valo le32_to_cpu(debug_buf.bufsize))) { 363bc07ddb2SKalle Valo length = ALIGN(length, 4); 364bc07ddb2SKalle Valo 365bc07ddb2SKalle Valo ret = ath6kl_diag_read(ar, address, 366bc07ddb2SKalle Valo buf, length); 367bc07ddb2SKalle Valo if (ret) 368bc07ddb2SKalle Valo goto out; 369bc07ddb2SKalle Valo 370bc07ddb2SKalle Valo ath6kl_debug_fwlog_event(ar, buf, length); 371bc07ddb2SKalle Valo } 372bc07ddb2SKalle Valo 373bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 374bc07ddb2SKalle Valo le32_to_cpu(debug_buf.next)); 375bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 376bc07ddb2SKalle Valo if (ret) 377bc07ddb2SKalle Valo goto out; 378bc07ddb2SKalle Valo 379bc07ddb2SKalle Valo loop--; 380bc07ddb2SKalle Valo 381bc07ddb2SKalle Valo if (WARN_ON(loop == 0)) { 382bc07ddb2SKalle Valo ret = -ETIMEDOUT; 383bc07ddb2SKalle Valo goto out; 384bc07ddb2SKalle Valo } 385bc07ddb2SKalle Valo } while (address != firstbuf); 386bc07ddb2SKalle Valo 387bc07ddb2SKalle Valo out: 388bc07ddb2SKalle Valo kfree(buf); 389bc07ddb2SKalle Valo 390bc07ddb2SKalle Valo return ret; 391bc07ddb2SKalle Valo } 392bc07ddb2SKalle Valo 39331024d99SKevin Fang /* FIXME: move to a better place, target.h? */ 39431024d99SKevin Fang #define AR6003_RESET_CONTROL_ADDRESS 0x00004000 39531024d99SKevin Fang #define AR6004_RESET_CONTROL_ADDRESS 0x00004000 39631024d99SKevin Fang 3976db8fa53SVasanthakumar Thiagarajan void ath6kl_reset_device(struct ath6kl *ar, u32 target_type, 398bdcd8170SKalle Valo bool wait_fot_compltn, bool cold_reset) 399bdcd8170SKalle Valo { 400bdcd8170SKalle Valo int status = 0; 401bdcd8170SKalle Valo u32 address; 402f9ea0753SVasanthakumar Thiagarajan __le32 data; 403bdcd8170SKalle Valo 40431024d99SKevin Fang if (target_type != TARGET_TYPE_AR6003 && 40531024d99SKevin Fang target_type != TARGET_TYPE_AR6004) 406bdcd8170SKalle Valo return; 407bdcd8170SKalle Valo 408f9ea0753SVasanthakumar Thiagarajan data = cold_reset ? cpu_to_le32(RESET_CONTROL_COLD_RST) : 409f9ea0753SVasanthakumar Thiagarajan cpu_to_le32(RESET_CONTROL_MBOX_RST); 410bdcd8170SKalle Valo 41131024d99SKevin Fang switch (target_type) { 41231024d99SKevin Fang case TARGET_TYPE_AR6003: 41331024d99SKevin Fang address = AR6003_RESET_CONTROL_ADDRESS; 41431024d99SKevin Fang break; 41531024d99SKevin Fang case TARGET_TYPE_AR6004: 41631024d99SKevin Fang address = AR6004_RESET_CONTROL_ADDRESS; 41731024d99SKevin Fang break; 41831024d99SKevin Fang default: 41931024d99SKevin Fang address = AR6003_RESET_CONTROL_ADDRESS; 42031024d99SKevin Fang break; 42131024d99SKevin Fang } 42231024d99SKevin Fang 423addb44beSKalle Valo status = ath6kl_diag_write32(ar, address, data); 424bdcd8170SKalle Valo 425bdcd8170SKalle Valo if (status) 426bdcd8170SKalle Valo ath6kl_err("failed to reset target\n"); 427bdcd8170SKalle Valo } 428bdcd8170SKalle Valo 429240d2799SVasanthakumar Thiagarajan static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif) 430bdcd8170SKalle Valo { 431bdcd8170SKalle Valo u8 index; 432bdcd8170SKalle Valo u8 keyusage; 433bdcd8170SKalle Valo 434bdcd8170SKalle Valo for (index = WMI_MIN_KEY_INDEX; index <= WMI_MAX_KEY_INDEX; index++) { 4356f2a73f9SVasanthakumar Thiagarajan if (vif->wep_key_list[index].key_len) { 436bdcd8170SKalle Valo keyusage = GROUP_USAGE; 4373450334fSVasanthakumar Thiagarajan if (index == vif->def_txkey_index) 438bdcd8170SKalle Valo keyusage |= TX_USAGE; 439bdcd8170SKalle Valo 440240d2799SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(vif->ar->wmi, vif->fw_vif_idx, 441bdcd8170SKalle Valo index, 442bdcd8170SKalle Valo WEP_CRYPT, 443bdcd8170SKalle Valo keyusage, 4446f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key_len, 445f4bb9a6fSJouni Malinen NULL, 0, 4466f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key, 447bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 448bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 449bdcd8170SKalle Valo } 450bdcd8170SKalle Valo } 451bdcd8170SKalle Valo } 452bdcd8170SKalle Valo 453240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel) 454bdcd8170SKalle Valo { 455240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 456bdcd8170SKalle Valo struct ath6kl_req_key *ik; 4579a5b1318SJouni Malinen int res; 4589a5b1318SJouni Malinen u8 key_rsc[ATH6KL_KEY_SEQ_LEN]; 459bdcd8170SKalle Valo 460bdcd8170SKalle Valo ik = &ar->ap_mode_bkey; 461bdcd8170SKalle Valo 462572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel); 4639a5b1318SJouni Malinen 4643450334fSVasanthakumar Thiagarajan switch (vif->auth_mode) { 465bdcd8170SKalle Valo case NONE_AUTH: 4663450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 467240d2799SVasanthakumar Thiagarajan ath6kl_install_static_wep_keys(vif); 468bdcd8170SKalle Valo break; 469bdcd8170SKalle Valo case WPA_PSK_AUTH: 470bdcd8170SKalle Valo case WPA2_PSK_AUTH: 471bdcd8170SKalle Valo case (WPA_PSK_AUTH | WPA2_PSK_AUTH): 4729a5b1318SJouni Malinen if (!ik->valid) 473bdcd8170SKalle Valo break; 4749a5b1318SJouni Malinen 4759a5b1318SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed addkey for " 4769a5b1318SJouni Malinen "the initial group key for AP mode\n"); 4779a5b1318SJouni Malinen memset(key_rsc, 0, sizeof(key_rsc)); 4789a5b1318SJouni Malinen res = ath6kl_wmi_addkey_cmd( 479334234b5SVasanthakumar Thiagarajan ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type, 480f4bb9a6fSJouni Malinen GROUP_USAGE, ik->key_len, key_rsc, ATH6KL_KEY_SEQ_LEN, 481f4bb9a6fSJouni Malinen ik->key, 4829a5b1318SJouni Malinen KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG); 4839a5b1318SJouni Malinen if (res) { 4849a5b1318SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed " 4859a5b1318SJouni Malinen "addkey failed: %d\n", res); 486bdcd8170SKalle Valo } 487bdcd8170SKalle Valo break; 488bdcd8170SKalle Valo } 4899a5b1318SJouni Malinen 490240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0); 49159c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 492240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 493bdcd8170SKalle Valo } 494bdcd8170SKalle Valo 495240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 496572e27c0SJouni Malinen u8 keymgmt, u8 ucipher, u8 auth, 497572e27c0SJouni Malinen u8 assoc_req_len, u8 *assoc_info) 498572e27c0SJouni Malinen { 499240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 500572e27c0SJouni Malinen u8 *ies = NULL, *wpa_ie = NULL, *pos; 501572e27c0SJouni Malinen size_t ies_len = 0; 502572e27c0SJouni Malinen struct station_info sinfo; 503572e27c0SJouni Malinen 504572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); 505bdcd8170SKalle Valo 5063c774bbaSJouni Malinen if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { 5073c774bbaSJouni Malinen struct ieee80211_mgmt *mgmt = 5083c774bbaSJouni Malinen (struct ieee80211_mgmt *) assoc_info; 5093c774bbaSJouni Malinen if (ieee80211_is_assoc_req(mgmt->frame_control) && 5103c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) + 5113c774bbaSJouni Malinen sizeof(mgmt->u.assoc_req)) { 5123c774bbaSJouni Malinen ies = mgmt->u.assoc_req.variable; 5133c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 5143c774bbaSJouni Malinen } else if (ieee80211_is_reassoc_req(mgmt->frame_control) && 5153c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) 5163c774bbaSJouni Malinen + sizeof(mgmt->u.reassoc_req)) { 5173c774bbaSJouni Malinen ies = mgmt->u.reassoc_req.variable; 5183c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 5193c774bbaSJouni Malinen } 5203c774bbaSJouni Malinen } 5213c774bbaSJouni Malinen 5223c774bbaSJouni Malinen pos = ies; 5233c774bbaSJouni Malinen while (pos && pos + 1 < ies + ies_len) { 5243c774bbaSJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 5253c774bbaSJouni Malinen break; 5263c774bbaSJouni Malinen if (pos[0] == WLAN_EID_RSN) 5273c774bbaSJouni Malinen wpa_ie = pos; /* RSN IE */ 5283c774bbaSJouni Malinen else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 5293c774bbaSJouni Malinen pos[1] >= 4 && 5303c774bbaSJouni Malinen pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) { 5313c774bbaSJouni Malinen if (pos[5] == 0x01) 5323c774bbaSJouni Malinen wpa_ie = pos; /* WPA IE */ 5333c774bbaSJouni Malinen else if (pos[5] == 0x04) { 5343c774bbaSJouni Malinen wpa_ie = pos; /* WPS IE */ 5353c774bbaSJouni Malinen break; /* overrides WPA/RSN IE */ 5363c774bbaSJouni Malinen } 53730677ae0SDai Shuibing } else if (pos[0] == 0x44 && wpa_ie == NULL) { 53830677ae0SDai Shuibing /* 53930677ae0SDai Shuibing * Note: WAPI Parameter Set IE re-uses Element ID that 54030677ae0SDai Shuibing * was officially allocated for BSS AC Access Delay. As 54130677ae0SDai Shuibing * such, we need to be a bit more careful on when 54230677ae0SDai Shuibing * parsing the frame. However, BSS AC Access Delay 54330677ae0SDai Shuibing * element is not supposed to be included in 54430677ae0SDai Shuibing * (Re)Association Request frames, so this should not 54530677ae0SDai Shuibing * cause problems. 54630677ae0SDai Shuibing */ 54730677ae0SDai Shuibing wpa_ie = pos; /* WAPI IE */ 54830677ae0SDai Shuibing break; 5493c774bbaSJouni Malinen } 5503c774bbaSJouni Malinen pos += 2 + pos[1]; 5513c774bbaSJouni Malinen } 5523c774bbaSJouni Malinen 553572e27c0SJouni Malinen ath6kl_add_new_sta(ar, mac_addr, aid, wpa_ie, 5543c774bbaSJouni Malinen wpa_ie ? 2 + wpa_ie[1] : 0, 555572e27c0SJouni Malinen keymgmt, ucipher, auth); 556bdcd8170SKalle Valo 557bdcd8170SKalle Valo /* send event to application */ 558bdcd8170SKalle Valo memset(&sinfo, 0, sizeof(sinfo)); 559bdcd8170SKalle Valo 560bdcd8170SKalle Valo /* TODO: sinfo.generation */ 5613c774bbaSJouni Malinen 5623c774bbaSJouni Malinen sinfo.assoc_req_ies = ies; 5633c774bbaSJouni Malinen sinfo.assoc_req_ies_len = ies_len; 5643c774bbaSJouni Malinen sinfo.filled |= STATION_INFO_ASSOC_REQ_IES; 5653c774bbaSJouni Malinen 566240d2799SVasanthakumar Thiagarajan cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL); 567bdcd8170SKalle Valo 568240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 569bdcd8170SKalle Valo } 570bdcd8170SKalle Valo 571bdcd8170SKalle Valo void disconnect_timer_handler(unsigned long ptr) 572bdcd8170SKalle Valo { 573bdcd8170SKalle Valo struct net_device *dev = (struct net_device *)ptr; 574334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 575bdcd8170SKalle Valo 576e29f25f5SVasanthakumar Thiagarajan ath6kl_init_profile_info(vif); 577240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 578bdcd8170SKalle Valo } 579bdcd8170SKalle Valo 580240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect(struct ath6kl_vif *vif) 581bdcd8170SKalle Valo { 58259c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) || 58359c98449SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) { 584240d2799SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 585bdcd8170SKalle Valo /* 586bdcd8170SKalle Valo * Disconnect command is issued, clear the connect pending 587bdcd8170SKalle Valo * flag. The connected flag will be cleared in 588bdcd8170SKalle Valo * disconnect event notification. 589bdcd8170SKalle Valo */ 59059c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 591bdcd8170SKalle Valo } 592bdcd8170SKalle Valo } 593bdcd8170SKalle Valo 594bdcd8170SKalle Valo /* WMI Event handlers */ 595bdcd8170SKalle Valo 596bdcd8170SKalle Valo static const char *get_hw_id_string(u32 id) 597bdcd8170SKalle Valo { 598bdcd8170SKalle Valo switch (id) { 599bdcd8170SKalle Valo case AR6003_REV1_VERSION: 600bdcd8170SKalle Valo return "1.0"; 601bdcd8170SKalle Valo case AR6003_REV2_VERSION: 602bdcd8170SKalle Valo return "2.0"; 603bdcd8170SKalle Valo case AR6003_REV3_VERSION: 604bdcd8170SKalle Valo return "2.1.1"; 605bdcd8170SKalle Valo default: 606bdcd8170SKalle Valo return "unknown"; 607bdcd8170SKalle Valo } 608bdcd8170SKalle Valo } 609bdcd8170SKalle Valo 610bdcd8170SKalle Valo void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver) 611bdcd8170SKalle Valo { 612bdcd8170SKalle Valo struct ath6kl *ar = devt; 613bdcd8170SKalle Valo 614d66ea4f9SVasanthakumar Thiagarajan memcpy(ar->mac_addr, datap, ETH_ALEN); 615bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "%s: mac addr = %pM\n", 616d66ea4f9SVasanthakumar Thiagarajan __func__, ar->mac_addr); 617bdcd8170SKalle Valo 618bdcd8170SKalle Valo ar->version.wlan_ver = sw_ver; 619bdcd8170SKalle Valo ar->version.abi_ver = abi_ver; 620bdcd8170SKalle Valo 621be98e3a4SVasanthakumar Thiagarajan snprintf(ar->wiphy->fw_version, 622be98e3a4SVasanthakumar Thiagarajan sizeof(ar->wiphy->fw_version), 623bdcd8170SKalle Valo "%u.%u.%u.%u", 624bdcd8170SKalle Valo (ar->version.wlan_ver & 0xf0000000) >> 28, 625bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0f000000) >> 24, 626bdcd8170SKalle Valo (ar->version.wlan_ver & 0x00ff0000) >> 16, 627bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0000ffff)); 628bdcd8170SKalle Valo 629bdcd8170SKalle Valo /* indicate to the waiting thread that the ready event was received */ 630bdcd8170SKalle Valo set_bit(WMI_READY, &ar->flag); 631bdcd8170SKalle Valo wake_up(&ar->event_wq); 632bdcd8170SKalle Valo 6335fe4dffbSKalle Valo if (test_and_clear_bit(FIRST_BOOT, &ar->flag)) { 634003353b0SKalle Valo ath6kl_info("hw %s fw %s%s\n", 635be98e3a4SVasanthakumar Thiagarajan get_hw_id_string(ar->wiphy->hw_version), 636be98e3a4SVasanthakumar Thiagarajan ar->wiphy->fw_version, 637003353b0SKalle Valo test_bit(TESTMODE, &ar->flag) ? " testmode" : ""); 638bdcd8170SKalle Valo } 6395fe4dffbSKalle Valo } 640bdcd8170SKalle Valo 641240d2799SVasanthakumar Thiagarajan void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status) 642bdcd8170SKalle Valo { 643240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 6441c17d313SKalle Valo bool aborted = false; 64559c98449SVasanthakumar Thiagarajan 6461c17d313SKalle Valo if (status != WMI_SCAN_STATUS_SUCCESS) 6471c17d313SKalle Valo aborted = true; 6481c17d313SKalle Valo 6491c17d313SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, aborted); 650bdcd8170SKalle Valo 651551185caSJouni Malinen if (!ar->usr_bss_filter) { 65259c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 653240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 654240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 655551185caSJouni Malinen } 656bdcd8170SKalle Valo 657d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status); 658bdcd8170SKalle Valo } 659bdcd8170SKalle Valo 660240d2799SVasanthakumar Thiagarajan void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid, 661bdcd8170SKalle Valo u16 listen_int, u16 beacon_int, 662bdcd8170SKalle Valo enum network_type net_type, u8 beacon_ie_len, 663bdcd8170SKalle Valo u8 assoc_req_len, u8 assoc_resp_len, 664bdcd8170SKalle Valo u8 *assoc_info) 665bdcd8170SKalle Valo { 666240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 66759c98449SVasanthakumar Thiagarajan 668240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_connect_event(vif, channel, bssid, 669bdcd8170SKalle Valo listen_int, beacon_int, 670bdcd8170SKalle Valo net_type, beacon_ie_len, 671bdcd8170SKalle Valo assoc_req_len, assoc_resp_len, 672bdcd8170SKalle Valo assoc_info); 673bdcd8170SKalle Valo 6748c8b65e3SVasanthakumar Thiagarajan memcpy(vif->bssid, bssid, sizeof(vif->bssid)); 675f74bac54SVasanthakumar Thiagarajan vif->bss_ch = channel; 676bdcd8170SKalle Valo 677f5938f24SVasanthakumar Thiagarajan if ((vif->nw_type == INFRA_NETWORK)) 678334234b5SVasanthakumar Thiagarajan ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 679334234b5SVasanthakumar Thiagarajan ar->listen_intvl_t, 680bdcd8170SKalle Valo ar->listen_intvl_b); 681bdcd8170SKalle Valo 682240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 683bdcd8170SKalle Valo 684bdcd8170SKalle Valo /* Update connect & link status atomically */ 685478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 68659c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 68759c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 688240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 689478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 690bdcd8170SKalle Valo 6912132c69cSVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt); 692cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 693bdcd8170SKalle Valo 694f5938f24SVasanthakumar Thiagarajan if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) { 695bdcd8170SKalle Valo memset(ar->node_map, 0, sizeof(ar->node_map)); 696bdcd8170SKalle Valo ar->node_num = 0; 697bdcd8170SKalle Valo ar->next_ep_id = ENDPOINT_2; 698bdcd8170SKalle Valo } 699bdcd8170SKalle Valo 700551185caSJouni Malinen if (!ar->usr_bss_filter) { 70159c98449SVasanthakumar Thiagarajan set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 702240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 703240d2799SVasanthakumar Thiagarajan CURRENT_BSS_FILTER, 0); 704551185caSJouni Malinen } 705bdcd8170SKalle Valo } 706bdcd8170SKalle Valo 707240d2799SVasanthakumar Thiagarajan void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast) 708bdcd8170SKalle Valo { 709bdcd8170SKalle Valo struct ath6kl_sta *sta; 710240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 711bdcd8170SKalle Valo u8 tsc[6]; 712240d2799SVasanthakumar Thiagarajan 713bdcd8170SKalle Valo /* 714bdcd8170SKalle Valo * For AP case, keyid will have aid of STA which sent pkt with 715bdcd8170SKalle Valo * MIC error. Use this aid to get MAC & send it to hostapd. 716bdcd8170SKalle Valo */ 717f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 718bdcd8170SKalle Valo sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2)); 719bdcd8170SKalle Valo if (!sta) 720bdcd8170SKalle Valo return; 721bdcd8170SKalle Valo 722bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 723bdcd8170SKalle Valo "ap tkip mic error received from aid=%d\n", keyid); 724bdcd8170SKalle Valo 725bdcd8170SKalle Valo memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */ 726240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, sta->mac, 727bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE, keyid, 728bdcd8170SKalle Valo tsc, GFP_KERNEL); 729bdcd8170SKalle Valo } else 730240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast); 731bdcd8170SKalle Valo 732bdcd8170SKalle Valo } 733bdcd8170SKalle Valo 734240d2799SVasanthakumar Thiagarajan static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len) 735bdcd8170SKalle Valo { 736bdcd8170SKalle Valo struct wmi_target_stats *tgt_stats = 737bdcd8170SKalle Valo (struct wmi_target_stats *) ptr; 738240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 739b95907a7SVasanthakumar Thiagarajan struct target_stats *stats = &vif->target_stats; 740bdcd8170SKalle Valo struct tkip_ccmp_stats *ccmp_stats; 741bdcd8170SKalle Valo u8 ac; 742bdcd8170SKalle Valo 743bdcd8170SKalle Valo if (len < sizeof(*tgt_stats)) 744bdcd8170SKalle Valo return; 745bdcd8170SKalle Valo 746bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n"); 747bdcd8170SKalle Valo 748bdcd8170SKalle Valo stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt); 749bdcd8170SKalle Valo stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte); 750bdcd8170SKalle Valo stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt); 751bdcd8170SKalle Valo stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte); 752bdcd8170SKalle Valo stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt); 753bdcd8170SKalle Valo stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte); 754bdcd8170SKalle Valo stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt); 755bdcd8170SKalle Valo stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte); 756bdcd8170SKalle Valo stats->tx_rts_success_cnt += 757bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt); 758bdcd8170SKalle Valo 759bdcd8170SKalle Valo for (ac = 0; ac < WMM_NUM_AC; ac++) 760bdcd8170SKalle Valo stats->tx_pkt_per_ac[ac] += 761bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]); 762bdcd8170SKalle Valo 763bdcd8170SKalle Valo stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err); 764bdcd8170SKalle Valo stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt); 765bdcd8170SKalle Valo stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt); 766bdcd8170SKalle Valo stats->tx_mult_retry_cnt += 767bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt); 768bdcd8170SKalle Valo stats->tx_rts_fail_cnt += 769bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt); 770bdcd8170SKalle Valo stats->tx_ucast_rate = 771bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate)); 772bdcd8170SKalle Valo 773bdcd8170SKalle Valo stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt); 774bdcd8170SKalle Valo stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte); 775bdcd8170SKalle Valo stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt); 776bdcd8170SKalle Valo stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte); 777bdcd8170SKalle Valo stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt); 778bdcd8170SKalle Valo stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte); 779bdcd8170SKalle Valo stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt); 780bdcd8170SKalle Valo stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte); 781bdcd8170SKalle Valo stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt); 782bdcd8170SKalle Valo stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err); 783bdcd8170SKalle Valo stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err); 784bdcd8170SKalle Valo stats->rx_key_cache_miss += 785bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.rx.key_cache_miss); 786bdcd8170SKalle Valo stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err); 787bdcd8170SKalle Valo stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame); 788bdcd8170SKalle Valo stats->rx_ucast_rate = 789bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate)); 790bdcd8170SKalle Valo 791bdcd8170SKalle Valo ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats; 792bdcd8170SKalle Valo 793bdcd8170SKalle Valo stats->tkip_local_mic_fail += 794bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_local_mic_fail); 795bdcd8170SKalle Valo stats->tkip_cnter_measures_invoked += 796bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked); 797bdcd8170SKalle Valo stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err); 798bdcd8170SKalle Valo 799bdcd8170SKalle Valo stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err); 800bdcd8170SKalle Valo stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays); 801bdcd8170SKalle Valo 802bdcd8170SKalle Valo stats->pwr_save_fail_cnt += 803bdcd8170SKalle Valo le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt); 804bdcd8170SKalle Valo stats->noise_floor_calib = 805bdcd8170SKalle Valo a_sle32_to_cpu(tgt_stats->noise_floor_calib); 806bdcd8170SKalle Valo 807bdcd8170SKalle Valo stats->cs_bmiss_cnt += 808bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt); 809bdcd8170SKalle Valo stats->cs_low_rssi_cnt += 810bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt); 811bdcd8170SKalle Valo stats->cs_connect_cnt += 812bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt); 813bdcd8170SKalle Valo stats->cs_discon_cnt += 814bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt); 815bdcd8170SKalle Valo 816bdcd8170SKalle Valo stats->cs_ave_beacon_rssi = 817bdcd8170SKalle Valo a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi); 818bdcd8170SKalle Valo 819bdcd8170SKalle Valo stats->cs_last_roam_msec = 820bdcd8170SKalle Valo tgt_stats->cserv_stats.cs_last_roam_msec; 821bdcd8170SKalle Valo stats->cs_snr = tgt_stats->cserv_stats.cs_snr; 822bdcd8170SKalle Valo stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi); 823bdcd8170SKalle Valo 824bdcd8170SKalle Valo stats->lq_val = le32_to_cpu(tgt_stats->lq_val); 825bdcd8170SKalle Valo 826bdcd8170SKalle Valo stats->wow_pkt_dropped += 827bdcd8170SKalle Valo le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped); 828bdcd8170SKalle Valo stats->wow_host_pkt_wakeups += 829bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_pkt_wakeups; 830bdcd8170SKalle Valo stats->wow_host_evt_wakeups += 831bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_evt_wakeups; 832bdcd8170SKalle Valo stats->wow_evt_discarded += 833bdcd8170SKalle Valo le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded); 834bdcd8170SKalle Valo 835b95907a7SVasanthakumar Thiagarajan if (test_bit(STATS_UPDATE_PEND, &vif->flags)) { 836b95907a7SVasanthakumar Thiagarajan clear_bit(STATS_UPDATE_PEND, &vif->flags); 837bdcd8170SKalle Valo wake_up(&ar->event_wq); 838bdcd8170SKalle Valo } 839bdcd8170SKalle Valo } 840bdcd8170SKalle Valo 841bdcd8170SKalle Valo static void ath6kl_add_le32(__le32 *var, __le32 val) 842bdcd8170SKalle Valo { 843bdcd8170SKalle Valo *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val)); 844bdcd8170SKalle Valo } 845bdcd8170SKalle Valo 846240d2799SVasanthakumar Thiagarajan void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len) 847bdcd8170SKalle Valo { 848bdcd8170SKalle Valo struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr; 849240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 850bdcd8170SKalle Valo struct wmi_ap_mode_stat *ap = &ar->ap_stats; 851bdcd8170SKalle Valo struct wmi_per_sta_stat *st_ap, *st_p; 852bdcd8170SKalle Valo u8 ac; 853bdcd8170SKalle Valo 854f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 855bdcd8170SKalle Valo if (len < sizeof(*p)) 856bdcd8170SKalle Valo return; 857bdcd8170SKalle Valo 858bdcd8170SKalle Valo for (ac = 0; ac < AP_MAX_NUM_STA; ac++) { 859bdcd8170SKalle Valo st_ap = &ap->sta[ac]; 860bdcd8170SKalle Valo st_p = &p->sta[ac]; 861bdcd8170SKalle Valo 862bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes); 863bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts); 864bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error); 865bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard); 866bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes); 867bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts); 868bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error); 869bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard); 870bdcd8170SKalle Valo } 871bdcd8170SKalle Valo 872bdcd8170SKalle Valo } else { 873240d2799SVasanthakumar Thiagarajan ath6kl_update_target_stats(vif, ptr, len); 874bdcd8170SKalle Valo } 875bdcd8170SKalle Valo } 876bdcd8170SKalle Valo 877bdcd8170SKalle Valo void ath6kl_wakeup_event(void *dev) 878bdcd8170SKalle Valo { 879bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) dev; 880bdcd8170SKalle Valo 881bdcd8170SKalle Valo wake_up(&ar->event_wq); 882bdcd8170SKalle Valo } 883bdcd8170SKalle Valo 884bdcd8170SKalle Valo void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr) 885bdcd8170SKalle Valo { 886bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) devt; 887bdcd8170SKalle Valo 888bdcd8170SKalle Valo ar->tx_pwr = tx_pwr; 889bdcd8170SKalle Valo wake_up(&ar->event_wq); 890bdcd8170SKalle Valo } 891bdcd8170SKalle Valo 892240d2799SVasanthakumar Thiagarajan void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid) 893bdcd8170SKalle Valo { 894bdcd8170SKalle Valo struct ath6kl_sta *conn; 895bdcd8170SKalle Valo struct sk_buff *skb; 896bdcd8170SKalle Valo bool psq_empty = false; 897240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 898bdcd8170SKalle Valo 899bdcd8170SKalle Valo conn = ath6kl_find_sta_by_aid(ar, aid); 900bdcd8170SKalle Valo 901bdcd8170SKalle Valo if (!conn) 902bdcd8170SKalle Valo return; 903bdcd8170SKalle Valo /* 904bdcd8170SKalle Valo * Send out a packet queued on ps queue. When the ps queue 905bdcd8170SKalle Valo * becomes empty update the PVB for this station. 906bdcd8170SKalle Valo */ 907bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 908bdcd8170SKalle Valo psq_empty = skb_queue_empty(&conn->psq); 909bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 910bdcd8170SKalle Valo 911bdcd8170SKalle Valo if (psq_empty) 912bdcd8170SKalle Valo /* TODO: Send out a NULL data frame */ 913bdcd8170SKalle Valo return; 914bdcd8170SKalle Valo 915bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 916bdcd8170SKalle Valo skb = skb_dequeue(&conn->psq); 917bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 918bdcd8170SKalle Valo 919bdcd8170SKalle Valo conn->sta_flags |= STA_PS_POLLED; 920240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 921bdcd8170SKalle Valo conn->sta_flags &= ~STA_PS_POLLED; 922bdcd8170SKalle Valo 923bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 924bdcd8170SKalle Valo psq_empty = skb_queue_empty(&conn->psq); 925bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 926bdcd8170SKalle Valo 927bdcd8170SKalle Valo if (psq_empty) 928334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0); 929bdcd8170SKalle Valo } 930bdcd8170SKalle Valo 931240d2799SVasanthakumar Thiagarajan void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif) 932bdcd8170SKalle Valo { 933bdcd8170SKalle Valo bool mcastq_empty = false; 934bdcd8170SKalle Valo struct sk_buff *skb; 935240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 936bdcd8170SKalle Valo 937bdcd8170SKalle Valo /* 938bdcd8170SKalle Valo * If there are no associated STAs, ignore the DTIM expiry event. 939bdcd8170SKalle Valo * There can be potential race conditions where the last associated 940bdcd8170SKalle Valo * STA may disconnect & before the host could clear the 'Indicate 941bdcd8170SKalle Valo * DTIM' request to the firmware, the firmware would have just 942bdcd8170SKalle Valo * indicated a DTIM expiry event. The race is between 'clear DTIM 943bdcd8170SKalle Valo * expiry cmd' going from the host to the firmware & the DTIM 944bdcd8170SKalle Valo * expiry event happening from the firmware to the host. 945bdcd8170SKalle Valo */ 946bdcd8170SKalle Valo if (!ar->sta_list_index) 947bdcd8170SKalle Valo return; 948bdcd8170SKalle Valo 949bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 950bdcd8170SKalle Valo mcastq_empty = skb_queue_empty(&ar->mcastpsq); 951bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 952bdcd8170SKalle Valo 953bdcd8170SKalle Valo if (mcastq_empty) 954bdcd8170SKalle Valo return; 955bdcd8170SKalle Valo 956bdcd8170SKalle Valo /* set the STA flag to dtim_expired for the frame to go out */ 95759c98449SVasanthakumar Thiagarajan set_bit(DTIM_EXPIRED, &vif->flags); 958bdcd8170SKalle Valo 959bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 960bdcd8170SKalle Valo while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) { 961bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 962bdcd8170SKalle Valo 963240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 964bdcd8170SKalle Valo 965bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 966bdcd8170SKalle Valo } 967bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 968bdcd8170SKalle Valo 96959c98449SVasanthakumar Thiagarajan clear_bit(DTIM_EXPIRED, &vif->flags); 970bdcd8170SKalle Valo 971bdcd8170SKalle Valo /* clear the LSB of the BitMapCtl field of the TIM IE */ 972334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0); 973bdcd8170SKalle Valo } 974bdcd8170SKalle Valo 975240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid, 976bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info, 977bdcd8170SKalle Valo u16 prot_reason_status) 978bdcd8170SKalle Valo { 979240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 98059c98449SVasanthakumar Thiagarajan 981f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 982bdcd8170SKalle Valo if (!ath6kl_remove_sta(ar, bssid, prot_reason_status)) 983bdcd8170SKalle Valo return; 984bdcd8170SKalle Valo 985bdcd8170SKalle Valo /* if no more associated STAs, empty the mcast PS q */ 986bdcd8170SKalle Valo if (ar->sta_list_index == 0) { 987bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 988bdcd8170SKalle Valo skb_queue_purge(&ar->mcastpsq); 989bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 990bdcd8170SKalle Valo 991bdcd8170SKalle Valo /* clear the LSB of the TIM IE's BitMapCtl field */ 992bdcd8170SKalle Valo if (test_bit(WMI_READY, &ar->flag)) 993334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 994334234b5SVasanthakumar Thiagarajan MCAST_AID, 0); 995bdcd8170SKalle Valo } 996bdcd8170SKalle Valo 997bdcd8170SKalle Valo if (!is_broadcast_ether_addr(bssid)) { 998bdcd8170SKalle Valo /* send event to application */ 999240d2799SVasanthakumar Thiagarajan cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL); 1000bdcd8170SKalle Valo } 1001bdcd8170SKalle Valo 1002240d2799SVasanthakumar Thiagarajan if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) { 10036f2a73f9SVasanthakumar Thiagarajan memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); 100459c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 1005151411e8SJouni Malinen } 1006bdcd8170SKalle Valo return; 1007bdcd8170SKalle Valo } 1008bdcd8170SKalle Valo 1009240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_disconnect_event(vif, reason, bssid, 1010bdcd8170SKalle Valo assoc_resp_len, assoc_info, 1011bdcd8170SKalle Valo prot_reason_status); 1012bdcd8170SKalle Valo 10132132c69cSVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt); 1014bdcd8170SKalle Valo 1015de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1016bdcd8170SKalle Valo 1017d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason); 1018bdcd8170SKalle Valo 1019bdcd8170SKalle Valo /* 1020bdcd8170SKalle Valo * If the event is due to disconnect cmd from the host, only they 1021bdcd8170SKalle Valo * the target would stop trying to connect. Under any other 1022bdcd8170SKalle Valo * condition, target would keep trying to connect. 1023bdcd8170SKalle Valo */ 1024bdcd8170SKalle Valo if (reason == DISCONNECT_CMD) { 1025bdcd8170SKalle Valo if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag)) 1026240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1027240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 1028bdcd8170SKalle Valo } else { 102959c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1030bdcd8170SKalle Valo if (((reason == ASSOC_FAILED) && 1031bdcd8170SKalle Valo (prot_reason_status == 0x11)) || 1032bdcd8170SKalle Valo ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) 1033cf5333d7SVasanthakumar Thiagarajan && (vif->reconnect_flag == 1))) { 103459c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 1035bdcd8170SKalle Valo return; 1036bdcd8170SKalle Valo } 1037bdcd8170SKalle Valo } 1038bdcd8170SKalle Valo 1039bdcd8170SKalle Valo /* update connect & link status atomically */ 1040478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 104159c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 1042240d2799SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 1043478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 1044bdcd8170SKalle Valo 1045cf5333d7SVasanthakumar Thiagarajan if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1)) 1046cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 1047bdcd8170SKalle Valo 1048bdcd8170SKalle Valo if (reason != CSERV_DISCONNECT) 1049bdcd8170SKalle Valo ar->user_key_ctrl = 0; 1050bdcd8170SKalle Valo 1051240d2799SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 10528c8b65e3SVasanthakumar Thiagarajan memset(vif->bssid, 0, sizeof(vif->bssid)); 1053f74bac54SVasanthakumar Thiagarajan vif->bss_ch = 0; 1054bdcd8170SKalle Valo 1055bdcd8170SKalle Valo ath6kl_tx_data_cleanup(ar); 1056bdcd8170SKalle Valo } 1057bdcd8170SKalle Valo 1058990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar) 1059990bd915SVasanthakumar Thiagarajan { 1060990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1061990bd915SVasanthakumar Thiagarajan 106211f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 1063990bd915SVasanthakumar Thiagarajan if (list_empty(&ar->vif_list)) { 106411f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 1065990bd915SVasanthakumar Thiagarajan return NULL; 1066990bd915SVasanthakumar Thiagarajan } 1067990bd915SVasanthakumar Thiagarajan 1068990bd915SVasanthakumar Thiagarajan vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list); 1069990bd915SVasanthakumar Thiagarajan 107011f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 1071990bd915SVasanthakumar Thiagarajan 1072990bd915SVasanthakumar Thiagarajan return vif; 1073990bd915SVasanthakumar Thiagarajan } 1074990bd915SVasanthakumar Thiagarajan 1075bdcd8170SKalle Valo static int ath6kl_open(struct net_device *dev) 1076bdcd8170SKalle Valo { 107759c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1078bdcd8170SKalle Valo 107959c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 1080bdcd8170SKalle Valo 108159c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1082bdcd8170SKalle Valo netif_carrier_on(dev); 1083bdcd8170SKalle Valo netif_wake_queue(dev); 1084bdcd8170SKalle Valo } else 1085bdcd8170SKalle Valo netif_carrier_off(dev); 1086bdcd8170SKalle Valo 1087bdcd8170SKalle Valo return 0; 1088bdcd8170SKalle Valo } 1089bdcd8170SKalle Valo 1090bdcd8170SKalle Valo static int ath6kl_close(struct net_device *dev) 1091bdcd8170SKalle Valo { 1092bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 109359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1094bdcd8170SKalle Valo 1095bdcd8170SKalle Valo netif_stop_queue(dev); 1096bdcd8170SKalle Valo 1097240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 1098bdcd8170SKalle Valo 1099bdcd8170SKalle Valo if (test_bit(WMI_READY, &ar->flag)) { 1100334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0xFFFF, 1101334234b5SVasanthakumar Thiagarajan 0, 0, 0, 0, 0, 0, 0, 0, 0)) 1102bdcd8170SKalle Valo return -EIO; 1103bdcd8170SKalle Valo 1104bdcd8170SKalle Valo } 1105bdcd8170SKalle Valo 11061c17d313SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 1107bdcd8170SKalle Valo 110868469341SKalle Valo clear_bit(WLAN_ENABLED, &vif->flags); 110968469341SKalle Valo 1110bdcd8170SKalle Valo return 0; 1111bdcd8170SKalle Valo } 1112bdcd8170SKalle Valo 1113bdcd8170SKalle Valo static struct net_device_stats *ath6kl_get_stats(struct net_device *dev) 1114bdcd8170SKalle Valo { 1115b95907a7SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1116bdcd8170SKalle Valo 1117b95907a7SVasanthakumar Thiagarajan return &vif->net_stats; 1118bdcd8170SKalle Valo } 1119bdcd8170SKalle Valo 1120bdcd8170SKalle Valo static struct net_device_ops ath6kl_netdev_ops = { 1121bdcd8170SKalle Valo .ndo_open = ath6kl_open, 1122bdcd8170SKalle Valo .ndo_stop = ath6kl_close, 1123bdcd8170SKalle Valo .ndo_start_xmit = ath6kl_data_tx, 1124bdcd8170SKalle Valo .ndo_get_stats = ath6kl_get_stats, 1125bdcd8170SKalle Valo }; 1126bdcd8170SKalle Valo 1127bdcd8170SKalle Valo void init_netdev(struct net_device *dev) 1128bdcd8170SKalle Valo { 1129bdcd8170SKalle Valo dev->netdev_ops = &ath6kl_netdev_ops; 113027929723SVasanthakumar Thiagarajan dev->destructor = free_netdev; 1131bdcd8170SKalle Valo dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; 1132bdcd8170SKalle Valo 1133bdcd8170SKalle Valo dev->needed_headroom = ETH_HLEN; 1134bdcd8170SKalle Valo dev->needed_headroom += sizeof(struct ath6kl_llc_snap_hdr) + 1135bdcd8170SKalle Valo sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH 11361df94a85SVasanthakumar Thiagarajan + WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES; 1137bdcd8170SKalle Valo 1138bdcd8170SKalle Valo return; 1139bdcd8170SKalle Valo } 1140