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, 445bdcd8170SKalle Valo NULL, 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, 4809a5b1318SJouni Malinen GROUP_USAGE, ik->key_len, key_rsc, ik->key, 4819a5b1318SJouni Malinen KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG); 4829a5b1318SJouni Malinen if (res) { 4839a5b1318SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed " 4849a5b1318SJouni Malinen "addkey failed: %d\n", res); 485bdcd8170SKalle Valo } 486bdcd8170SKalle Valo break; 487bdcd8170SKalle Valo } 4889a5b1318SJouni Malinen 489240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0); 49059c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 491240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 492bdcd8170SKalle Valo } 493bdcd8170SKalle Valo 494240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 495572e27c0SJouni Malinen u8 keymgmt, u8 ucipher, u8 auth, 496572e27c0SJouni Malinen u8 assoc_req_len, u8 *assoc_info) 497572e27c0SJouni Malinen { 498240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 499572e27c0SJouni Malinen u8 *ies = NULL, *wpa_ie = NULL, *pos; 500572e27c0SJouni Malinen size_t ies_len = 0; 501572e27c0SJouni Malinen struct station_info sinfo; 502572e27c0SJouni Malinen 503572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); 504bdcd8170SKalle Valo 5053c774bbaSJouni Malinen if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { 5063c774bbaSJouni Malinen struct ieee80211_mgmt *mgmt = 5073c774bbaSJouni Malinen (struct ieee80211_mgmt *) assoc_info; 5083c774bbaSJouni Malinen if (ieee80211_is_assoc_req(mgmt->frame_control) && 5093c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) + 5103c774bbaSJouni Malinen sizeof(mgmt->u.assoc_req)) { 5113c774bbaSJouni Malinen ies = mgmt->u.assoc_req.variable; 5123c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 5133c774bbaSJouni Malinen } else if (ieee80211_is_reassoc_req(mgmt->frame_control) && 5143c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) 5153c774bbaSJouni Malinen + sizeof(mgmt->u.reassoc_req)) { 5163c774bbaSJouni Malinen ies = mgmt->u.reassoc_req.variable; 5173c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 5183c774bbaSJouni Malinen } 5193c774bbaSJouni Malinen } 5203c774bbaSJouni Malinen 5213c774bbaSJouni Malinen pos = ies; 5223c774bbaSJouni Malinen while (pos && pos + 1 < ies + ies_len) { 5233c774bbaSJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 5243c774bbaSJouni Malinen break; 5253c774bbaSJouni Malinen if (pos[0] == WLAN_EID_RSN) 5263c774bbaSJouni Malinen wpa_ie = pos; /* RSN IE */ 5273c774bbaSJouni Malinen else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 5283c774bbaSJouni Malinen pos[1] >= 4 && 5293c774bbaSJouni Malinen pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) { 5303c774bbaSJouni Malinen if (pos[5] == 0x01) 5313c774bbaSJouni Malinen wpa_ie = pos; /* WPA IE */ 5323c774bbaSJouni Malinen else if (pos[5] == 0x04) { 5333c774bbaSJouni Malinen wpa_ie = pos; /* WPS IE */ 5343c774bbaSJouni Malinen break; /* overrides WPA/RSN IE */ 5353c774bbaSJouni Malinen } 5363c774bbaSJouni Malinen } 5373c774bbaSJouni Malinen pos += 2 + pos[1]; 5383c774bbaSJouni Malinen } 5393c774bbaSJouni Malinen 540572e27c0SJouni Malinen ath6kl_add_new_sta(ar, mac_addr, aid, wpa_ie, 5413c774bbaSJouni Malinen wpa_ie ? 2 + wpa_ie[1] : 0, 542572e27c0SJouni Malinen keymgmt, ucipher, auth); 543bdcd8170SKalle Valo 544bdcd8170SKalle Valo /* send event to application */ 545bdcd8170SKalle Valo memset(&sinfo, 0, sizeof(sinfo)); 546bdcd8170SKalle Valo 547bdcd8170SKalle Valo /* TODO: sinfo.generation */ 5483c774bbaSJouni Malinen 5493c774bbaSJouni Malinen sinfo.assoc_req_ies = ies; 5503c774bbaSJouni Malinen sinfo.assoc_req_ies_len = ies_len; 5513c774bbaSJouni Malinen sinfo.filled |= STATION_INFO_ASSOC_REQ_IES; 5523c774bbaSJouni Malinen 553240d2799SVasanthakumar Thiagarajan cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL); 554bdcd8170SKalle Valo 555240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 556bdcd8170SKalle Valo } 557bdcd8170SKalle Valo 558bdcd8170SKalle Valo void disconnect_timer_handler(unsigned long ptr) 559bdcd8170SKalle Valo { 560bdcd8170SKalle Valo struct net_device *dev = (struct net_device *)ptr; 561334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 562bdcd8170SKalle Valo 563e29f25f5SVasanthakumar Thiagarajan ath6kl_init_profile_info(vif); 564240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 565bdcd8170SKalle Valo } 566bdcd8170SKalle Valo 567240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect(struct ath6kl_vif *vif) 568bdcd8170SKalle Valo { 56959c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) || 57059c98449SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) { 571240d2799SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 572bdcd8170SKalle Valo /* 573bdcd8170SKalle Valo * Disconnect command is issued, clear the connect pending 574bdcd8170SKalle Valo * flag. The connected flag will be cleared in 575bdcd8170SKalle Valo * disconnect event notification. 576bdcd8170SKalle Valo */ 57759c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 578bdcd8170SKalle Valo } 579bdcd8170SKalle Valo } 580bdcd8170SKalle Valo 581bdcd8170SKalle Valo /* WMI Event handlers */ 582bdcd8170SKalle Valo 583bdcd8170SKalle Valo static const char *get_hw_id_string(u32 id) 584bdcd8170SKalle Valo { 585bdcd8170SKalle Valo switch (id) { 586bdcd8170SKalle Valo case AR6003_REV1_VERSION: 587bdcd8170SKalle Valo return "1.0"; 588bdcd8170SKalle Valo case AR6003_REV2_VERSION: 589bdcd8170SKalle Valo return "2.0"; 590bdcd8170SKalle Valo case AR6003_REV3_VERSION: 591bdcd8170SKalle Valo return "2.1.1"; 592bdcd8170SKalle Valo default: 593bdcd8170SKalle Valo return "unknown"; 594bdcd8170SKalle Valo } 595bdcd8170SKalle Valo } 596bdcd8170SKalle Valo 597bdcd8170SKalle Valo void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver) 598bdcd8170SKalle Valo { 599bdcd8170SKalle Valo struct ath6kl *ar = devt; 600bdcd8170SKalle Valo 601d66ea4f9SVasanthakumar Thiagarajan memcpy(ar->mac_addr, datap, ETH_ALEN); 602bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "%s: mac addr = %pM\n", 603d66ea4f9SVasanthakumar Thiagarajan __func__, ar->mac_addr); 604bdcd8170SKalle Valo 605bdcd8170SKalle Valo ar->version.wlan_ver = sw_ver; 606bdcd8170SKalle Valo ar->version.abi_ver = abi_ver; 607bdcd8170SKalle Valo 608be98e3a4SVasanthakumar Thiagarajan snprintf(ar->wiphy->fw_version, 609be98e3a4SVasanthakumar Thiagarajan sizeof(ar->wiphy->fw_version), 610bdcd8170SKalle Valo "%u.%u.%u.%u", 611bdcd8170SKalle Valo (ar->version.wlan_ver & 0xf0000000) >> 28, 612bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0f000000) >> 24, 613bdcd8170SKalle Valo (ar->version.wlan_ver & 0x00ff0000) >> 16, 614bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0000ffff)); 615bdcd8170SKalle Valo 616bdcd8170SKalle Valo /* indicate to the waiting thread that the ready event was received */ 617bdcd8170SKalle Valo set_bit(WMI_READY, &ar->flag); 618bdcd8170SKalle Valo wake_up(&ar->event_wq); 619bdcd8170SKalle Valo 6205fe4dffbSKalle Valo if (test_and_clear_bit(FIRST_BOOT, &ar->flag)) { 621003353b0SKalle Valo ath6kl_info("hw %s fw %s%s\n", 622be98e3a4SVasanthakumar Thiagarajan get_hw_id_string(ar->wiphy->hw_version), 623be98e3a4SVasanthakumar Thiagarajan ar->wiphy->fw_version, 624003353b0SKalle Valo test_bit(TESTMODE, &ar->flag) ? " testmode" : ""); 625bdcd8170SKalle Valo } 6265fe4dffbSKalle Valo } 627bdcd8170SKalle Valo 628240d2799SVasanthakumar Thiagarajan void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status) 629bdcd8170SKalle Valo { 630240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 6311c17d313SKalle Valo bool aborted = false; 63259c98449SVasanthakumar Thiagarajan 6331c17d313SKalle Valo if (status != WMI_SCAN_STATUS_SUCCESS) 6341c17d313SKalle Valo aborted = true; 6351c17d313SKalle Valo 6361c17d313SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, aborted); 637bdcd8170SKalle Valo 638551185caSJouni Malinen if (!ar->usr_bss_filter) { 63959c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 640240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 641240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 642551185caSJouni Malinen } 643bdcd8170SKalle Valo 644d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status); 645bdcd8170SKalle Valo } 646bdcd8170SKalle Valo 647240d2799SVasanthakumar Thiagarajan void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid, 648bdcd8170SKalle Valo u16 listen_int, u16 beacon_int, 649bdcd8170SKalle Valo enum network_type net_type, u8 beacon_ie_len, 650bdcd8170SKalle Valo u8 assoc_req_len, u8 assoc_resp_len, 651bdcd8170SKalle Valo u8 *assoc_info) 652bdcd8170SKalle Valo { 653240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 65459c98449SVasanthakumar Thiagarajan 655240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_connect_event(vif, channel, bssid, 656bdcd8170SKalle Valo listen_int, beacon_int, 657bdcd8170SKalle Valo net_type, beacon_ie_len, 658bdcd8170SKalle Valo assoc_req_len, assoc_resp_len, 659bdcd8170SKalle Valo assoc_info); 660bdcd8170SKalle Valo 6618c8b65e3SVasanthakumar Thiagarajan memcpy(vif->bssid, bssid, sizeof(vif->bssid)); 662f74bac54SVasanthakumar Thiagarajan vif->bss_ch = channel; 663bdcd8170SKalle Valo 664f5938f24SVasanthakumar Thiagarajan if ((vif->nw_type == INFRA_NETWORK)) 665334234b5SVasanthakumar Thiagarajan ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 666334234b5SVasanthakumar Thiagarajan ar->listen_intvl_t, 667bdcd8170SKalle Valo ar->listen_intvl_b); 668bdcd8170SKalle Valo 669240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 670bdcd8170SKalle Valo 671bdcd8170SKalle Valo /* Update connect & link status atomically */ 672478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 67359c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 67459c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 675240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 676478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 677bdcd8170SKalle Valo 6782132c69cSVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt); 679cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 680bdcd8170SKalle Valo 681f5938f24SVasanthakumar Thiagarajan if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) { 682bdcd8170SKalle Valo memset(ar->node_map, 0, sizeof(ar->node_map)); 683bdcd8170SKalle Valo ar->node_num = 0; 684bdcd8170SKalle Valo ar->next_ep_id = ENDPOINT_2; 685bdcd8170SKalle Valo } 686bdcd8170SKalle Valo 687551185caSJouni Malinen if (!ar->usr_bss_filter) { 68859c98449SVasanthakumar Thiagarajan set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 689240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 690240d2799SVasanthakumar Thiagarajan CURRENT_BSS_FILTER, 0); 691551185caSJouni Malinen } 692bdcd8170SKalle Valo } 693bdcd8170SKalle Valo 694240d2799SVasanthakumar Thiagarajan void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast) 695bdcd8170SKalle Valo { 696bdcd8170SKalle Valo struct ath6kl_sta *sta; 697240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 698bdcd8170SKalle Valo u8 tsc[6]; 699240d2799SVasanthakumar Thiagarajan 700bdcd8170SKalle Valo /* 701bdcd8170SKalle Valo * For AP case, keyid will have aid of STA which sent pkt with 702bdcd8170SKalle Valo * MIC error. Use this aid to get MAC & send it to hostapd. 703bdcd8170SKalle Valo */ 704f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 705bdcd8170SKalle Valo sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2)); 706bdcd8170SKalle Valo if (!sta) 707bdcd8170SKalle Valo return; 708bdcd8170SKalle Valo 709bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 710bdcd8170SKalle Valo "ap tkip mic error received from aid=%d\n", keyid); 711bdcd8170SKalle Valo 712bdcd8170SKalle Valo memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */ 713240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, sta->mac, 714bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE, keyid, 715bdcd8170SKalle Valo tsc, GFP_KERNEL); 716bdcd8170SKalle Valo } else 717240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast); 718bdcd8170SKalle Valo 719bdcd8170SKalle Valo } 720bdcd8170SKalle Valo 721240d2799SVasanthakumar Thiagarajan static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len) 722bdcd8170SKalle Valo { 723bdcd8170SKalle Valo struct wmi_target_stats *tgt_stats = 724bdcd8170SKalle Valo (struct wmi_target_stats *) ptr; 725240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 726b95907a7SVasanthakumar Thiagarajan struct target_stats *stats = &vif->target_stats; 727bdcd8170SKalle Valo struct tkip_ccmp_stats *ccmp_stats; 728bdcd8170SKalle Valo u8 ac; 729bdcd8170SKalle Valo 730bdcd8170SKalle Valo if (len < sizeof(*tgt_stats)) 731bdcd8170SKalle Valo return; 732bdcd8170SKalle Valo 733bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n"); 734bdcd8170SKalle Valo 735bdcd8170SKalle Valo stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt); 736bdcd8170SKalle Valo stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte); 737bdcd8170SKalle Valo stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt); 738bdcd8170SKalle Valo stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte); 739bdcd8170SKalle Valo stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt); 740bdcd8170SKalle Valo stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte); 741bdcd8170SKalle Valo stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt); 742bdcd8170SKalle Valo stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte); 743bdcd8170SKalle Valo stats->tx_rts_success_cnt += 744bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt); 745bdcd8170SKalle Valo 746bdcd8170SKalle Valo for (ac = 0; ac < WMM_NUM_AC; ac++) 747bdcd8170SKalle Valo stats->tx_pkt_per_ac[ac] += 748bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]); 749bdcd8170SKalle Valo 750bdcd8170SKalle Valo stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err); 751bdcd8170SKalle Valo stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt); 752bdcd8170SKalle Valo stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt); 753bdcd8170SKalle Valo stats->tx_mult_retry_cnt += 754bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt); 755bdcd8170SKalle Valo stats->tx_rts_fail_cnt += 756bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt); 757bdcd8170SKalle Valo stats->tx_ucast_rate = 758bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate)); 759bdcd8170SKalle Valo 760bdcd8170SKalle Valo stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt); 761bdcd8170SKalle Valo stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte); 762bdcd8170SKalle Valo stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt); 763bdcd8170SKalle Valo stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte); 764bdcd8170SKalle Valo stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt); 765bdcd8170SKalle Valo stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte); 766bdcd8170SKalle Valo stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt); 767bdcd8170SKalle Valo stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte); 768bdcd8170SKalle Valo stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt); 769bdcd8170SKalle Valo stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err); 770bdcd8170SKalle Valo stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err); 771bdcd8170SKalle Valo stats->rx_key_cache_miss += 772bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.rx.key_cache_miss); 773bdcd8170SKalle Valo stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err); 774bdcd8170SKalle Valo stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame); 775bdcd8170SKalle Valo stats->rx_ucast_rate = 776bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate)); 777bdcd8170SKalle Valo 778bdcd8170SKalle Valo ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats; 779bdcd8170SKalle Valo 780bdcd8170SKalle Valo stats->tkip_local_mic_fail += 781bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_local_mic_fail); 782bdcd8170SKalle Valo stats->tkip_cnter_measures_invoked += 783bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked); 784bdcd8170SKalle Valo stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err); 785bdcd8170SKalle Valo 786bdcd8170SKalle Valo stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err); 787bdcd8170SKalle Valo stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays); 788bdcd8170SKalle Valo 789bdcd8170SKalle Valo stats->pwr_save_fail_cnt += 790bdcd8170SKalle Valo le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt); 791bdcd8170SKalle Valo stats->noise_floor_calib = 792bdcd8170SKalle Valo a_sle32_to_cpu(tgt_stats->noise_floor_calib); 793bdcd8170SKalle Valo 794bdcd8170SKalle Valo stats->cs_bmiss_cnt += 795bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt); 796bdcd8170SKalle Valo stats->cs_low_rssi_cnt += 797bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt); 798bdcd8170SKalle Valo stats->cs_connect_cnt += 799bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt); 800bdcd8170SKalle Valo stats->cs_discon_cnt += 801bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt); 802bdcd8170SKalle Valo 803bdcd8170SKalle Valo stats->cs_ave_beacon_rssi = 804bdcd8170SKalle Valo a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi); 805bdcd8170SKalle Valo 806bdcd8170SKalle Valo stats->cs_last_roam_msec = 807bdcd8170SKalle Valo tgt_stats->cserv_stats.cs_last_roam_msec; 808bdcd8170SKalle Valo stats->cs_snr = tgt_stats->cserv_stats.cs_snr; 809bdcd8170SKalle Valo stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi); 810bdcd8170SKalle Valo 811bdcd8170SKalle Valo stats->lq_val = le32_to_cpu(tgt_stats->lq_val); 812bdcd8170SKalle Valo 813bdcd8170SKalle Valo stats->wow_pkt_dropped += 814bdcd8170SKalle Valo le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped); 815bdcd8170SKalle Valo stats->wow_host_pkt_wakeups += 816bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_pkt_wakeups; 817bdcd8170SKalle Valo stats->wow_host_evt_wakeups += 818bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_evt_wakeups; 819bdcd8170SKalle Valo stats->wow_evt_discarded += 820bdcd8170SKalle Valo le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded); 821bdcd8170SKalle Valo 822b95907a7SVasanthakumar Thiagarajan if (test_bit(STATS_UPDATE_PEND, &vif->flags)) { 823b95907a7SVasanthakumar Thiagarajan clear_bit(STATS_UPDATE_PEND, &vif->flags); 824bdcd8170SKalle Valo wake_up(&ar->event_wq); 825bdcd8170SKalle Valo } 826bdcd8170SKalle Valo } 827bdcd8170SKalle Valo 828bdcd8170SKalle Valo static void ath6kl_add_le32(__le32 *var, __le32 val) 829bdcd8170SKalle Valo { 830bdcd8170SKalle Valo *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val)); 831bdcd8170SKalle Valo } 832bdcd8170SKalle Valo 833240d2799SVasanthakumar Thiagarajan void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len) 834bdcd8170SKalle Valo { 835bdcd8170SKalle Valo struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr; 836240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 837bdcd8170SKalle Valo struct wmi_ap_mode_stat *ap = &ar->ap_stats; 838bdcd8170SKalle Valo struct wmi_per_sta_stat *st_ap, *st_p; 839bdcd8170SKalle Valo u8 ac; 840bdcd8170SKalle Valo 841f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 842bdcd8170SKalle Valo if (len < sizeof(*p)) 843bdcd8170SKalle Valo return; 844bdcd8170SKalle Valo 845bdcd8170SKalle Valo for (ac = 0; ac < AP_MAX_NUM_STA; ac++) { 846bdcd8170SKalle Valo st_ap = &ap->sta[ac]; 847bdcd8170SKalle Valo st_p = &p->sta[ac]; 848bdcd8170SKalle Valo 849bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes); 850bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts); 851bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error); 852bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard); 853bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes); 854bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts); 855bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error); 856bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard); 857bdcd8170SKalle Valo } 858bdcd8170SKalle Valo 859bdcd8170SKalle Valo } else { 860240d2799SVasanthakumar Thiagarajan ath6kl_update_target_stats(vif, ptr, len); 861bdcd8170SKalle Valo } 862bdcd8170SKalle Valo } 863bdcd8170SKalle Valo 864bdcd8170SKalle Valo void ath6kl_wakeup_event(void *dev) 865bdcd8170SKalle Valo { 866bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) dev; 867bdcd8170SKalle Valo 868bdcd8170SKalle Valo wake_up(&ar->event_wq); 869bdcd8170SKalle Valo } 870bdcd8170SKalle Valo 871bdcd8170SKalle Valo void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr) 872bdcd8170SKalle Valo { 873bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) devt; 874bdcd8170SKalle Valo 875bdcd8170SKalle Valo ar->tx_pwr = tx_pwr; 876bdcd8170SKalle Valo wake_up(&ar->event_wq); 877bdcd8170SKalle Valo } 878bdcd8170SKalle Valo 879240d2799SVasanthakumar Thiagarajan void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid) 880bdcd8170SKalle Valo { 881bdcd8170SKalle Valo struct ath6kl_sta *conn; 882bdcd8170SKalle Valo struct sk_buff *skb; 883bdcd8170SKalle Valo bool psq_empty = false; 884240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 885bdcd8170SKalle Valo 886bdcd8170SKalle Valo conn = ath6kl_find_sta_by_aid(ar, aid); 887bdcd8170SKalle Valo 888bdcd8170SKalle Valo if (!conn) 889bdcd8170SKalle Valo return; 890bdcd8170SKalle Valo /* 891bdcd8170SKalle Valo * Send out a packet queued on ps queue. When the ps queue 892bdcd8170SKalle Valo * becomes empty update the PVB for this station. 893bdcd8170SKalle Valo */ 894bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 895bdcd8170SKalle Valo psq_empty = skb_queue_empty(&conn->psq); 896bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 897bdcd8170SKalle Valo 898bdcd8170SKalle Valo if (psq_empty) 899bdcd8170SKalle Valo /* TODO: Send out a NULL data frame */ 900bdcd8170SKalle Valo return; 901bdcd8170SKalle Valo 902bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 903bdcd8170SKalle Valo skb = skb_dequeue(&conn->psq); 904bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 905bdcd8170SKalle Valo 906bdcd8170SKalle Valo conn->sta_flags |= STA_PS_POLLED; 907240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 908bdcd8170SKalle Valo conn->sta_flags &= ~STA_PS_POLLED; 909bdcd8170SKalle Valo 910bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 911bdcd8170SKalle Valo psq_empty = skb_queue_empty(&conn->psq); 912bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 913bdcd8170SKalle Valo 914bdcd8170SKalle Valo if (psq_empty) 915334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0); 916bdcd8170SKalle Valo } 917bdcd8170SKalle Valo 918240d2799SVasanthakumar Thiagarajan void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif) 919bdcd8170SKalle Valo { 920bdcd8170SKalle Valo bool mcastq_empty = false; 921bdcd8170SKalle Valo struct sk_buff *skb; 922240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 923bdcd8170SKalle Valo 924bdcd8170SKalle Valo /* 925bdcd8170SKalle Valo * If there are no associated STAs, ignore the DTIM expiry event. 926bdcd8170SKalle Valo * There can be potential race conditions where the last associated 927bdcd8170SKalle Valo * STA may disconnect & before the host could clear the 'Indicate 928bdcd8170SKalle Valo * DTIM' request to the firmware, the firmware would have just 929bdcd8170SKalle Valo * indicated a DTIM expiry event. The race is between 'clear DTIM 930bdcd8170SKalle Valo * expiry cmd' going from the host to the firmware & the DTIM 931bdcd8170SKalle Valo * expiry event happening from the firmware to the host. 932bdcd8170SKalle Valo */ 933bdcd8170SKalle Valo if (!ar->sta_list_index) 934bdcd8170SKalle Valo return; 935bdcd8170SKalle Valo 936bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 937bdcd8170SKalle Valo mcastq_empty = skb_queue_empty(&ar->mcastpsq); 938bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 939bdcd8170SKalle Valo 940bdcd8170SKalle Valo if (mcastq_empty) 941bdcd8170SKalle Valo return; 942bdcd8170SKalle Valo 943bdcd8170SKalle Valo /* set the STA flag to dtim_expired for the frame to go out */ 94459c98449SVasanthakumar Thiagarajan set_bit(DTIM_EXPIRED, &vif->flags); 945bdcd8170SKalle Valo 946bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 947bdcd8170SKalle Valo while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) { 948bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 949bdcd8170SKalle Valo 950240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 951bdcd8170SKalle Valo 952bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 953bdcd8170SKalle Valo } 954bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 955bdcd8170SKalle Valo 95659c98449SVasanthakumar Thiagarajan clear_bit(DTIM_EXPIRED, &vif->flags); 957bdcd8170SKalle Valo 958bdcd8170SKalle Valo /* clear the LSB of the BitMapCtl field of the TIM IE */ 959334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0); 960bdcd8170SKalle Valo } 961bdcd8170SKalle Valo 962240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid, 963bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info, 964bdcd8170SKalle Valo u16 prot_reason_status) 965bdcd8170SKalle Valo { 966240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 96759c98449SVasanthakumar Thiagarajan 968f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 969bdcd8170SKalle Valo if (!ath6kl_remove_sta(ar, bssid, prot_reason_status)) 970bdcd8170SKalle Valo return; 971bdcd8170SKalle Valo 972bdcd8170SKalle Valo /* if no more associated STAs, empty the mcast PS q */ 973bdcd8170SKalle Valo if (ar->sta_list_index == 0) { 974bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 975bdcd8170SKalle Valo skb_queue_purge(&ar->mcastpsq); 976bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 977bdcd8170SKalle Valo 978bdcd8170SKalle Valo /* clear the LSB of the TIM IE's BitMapCtl field */ 979bdcd8170SKalle Valo if (test_bit(WMI_READY, &ar->flag)) 980334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 981334234b5SVasanthakumar Thiagarajan MCAST_AID, 0); 982bdcd8170SKalle Valo } 983bdcd8170SKalle Valo 984bdcd8170SKalle Valo if (!is_broadcast_ether_addr(bssid)) { 985bdcd8170SKalle Valo /* send event to application */ 986240d2799SVasanthakumar Thiagarajan cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL); 987bdcd8170SKalle Valo } 988bdcd8170SKalle Valo 989240d2799SVasanthakumar Thiagarajan if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) { 9906f2a73f9SVasanthakumar Thiagarajan memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); 99159c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 992151411e8SJouni Malinen } 993bdcd8170SKalle Valo return; 994bdcd8170SKalle Valo } 995bdcd8170SKalle Valo 996240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_disconnect_event(vif, reason, bssid, 997bdcd8170SKalle Valo assoc_resp_len, assoc_info, 998bdcd8170SKalle Valo prot_reason_status); 999bdcd8170SKalle Valo 10002132c69cSVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt); 1001bdcd8170SKalle Valo 1002de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1003bdcd8170SKalle Valo 1004d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason); 1005bdcd8170SKalle Valo 1006bdcd8170SKalle Valo /* 1007bdcd8170SKalle Valo * If the event is due to disconnect cmd from the host, only they 1008bdcd8170SKalle Valo * the target would stop trying to connect. Under any other 1009bdcd8170SKalle Valo * condition, target would keep trying to connect. 1010bdcd8170SKalle Valo */ 1011bdcd8170SKalle Valo if (reason == DISCONNECT_CMD) { 1012bdcd8170SKalle Valo if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag)) 1013240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1014240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 1015bdcd8170SKalle Valo } else { 101659c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1017bdcd8170SKalle Valo if (((reason == ASSOC_FAILED) && 1018bdcd8170SKalle Valo (prot_reason_status == 0x11)) || 1019bdcd8170SKalle Valo ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) 1020cf5333d7SVasanthakumar Thiagarajan && (vif->reconnect_flag == 1))) { 102159c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 1022bdcd8170SKalle Valo return; 1023bdcd8170SKalle Valo } 1024bdcd8170SKalle Valo } 1025bdcd8170SKalle Valo 1026bdcd8170SKalle Valo /* update connect & link status atomically */ 1027478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 102859c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 1029240d2799SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 1030478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 1031bdcd8170SKalle Valo 1032cf5333d7SVasanthakumar Thiagarajan if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1)) 1033cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 1034bdcd8170SKalle Valo 1035bdcd8170SKalle Valo if (reason != CSERV_DISCONNECT) 1036bdcd8170SKalle Valo ar->user_key_ctrl = 0; 1037bdcd8170SKalle Valo 1038240d2799SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 10398c8b65e3SVasanthakumar Thiagarajan memset(vif->bssid, 0, sizeof(vif->bssid)); 1040f74bac54SVasanthakumar Thiagarajan vif->bss_ch = 0; 1041bdcd8170SKalle Valo 1042bdcd8170SKalle Valo ath6kl_tx_data_cleanup(ar); 1043bdcd8170SKalle Valo } 1044bdcd8170SKalle Valo 1045990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar) 1046990bd915SVasanthakumar Thiagarajan { 1047990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1048990bd915SVasanthakumar Thiagarajan 104911f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 1050990bd915SVasanthakumar Thiagarajan if (list_empty(&ar->vif_list)) { 105111f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 1052990bd915SVasanthakumar Thiagarajan return NULL; 1053990bd915SVasanthakumar Thiagarajan } 1054990bd915SVasanthakumar Thiagarajan 1055990bd915SVasanthakumar Thiagarajan vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list); 1056990bd915SVasanthakumar Thiagarajan 105711f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 1058990bd915SVasanthakumar Thiagarajan 1059990bd915SVasanthakumar Thiagarajan return vif; 1060990bd915SVasanthakumar Thiagarajan } 1061990bd915SVasanthakumar Thiagarajan 1062bdcd8170SKalle Valo static int ath6kl_open(struct net_device *dev) 1063bdcd8170SKalle Valo { 106459c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 10655fe4dffbSKalle Valo int ret; 10665fe4dffbSKalle Valo 10675fe4dffbSKalle Valo /* FIXME: how to handle multi vif support? */ 10685fe4dffbSKalle Valo ret = ath6kl_init_hw_start(vif->ar); 10695fe4dffbSKalle Valo if (ret) 10705fe4dffbSKalle Valo return ret; 1071bdcd8170SKalle Valo 107259c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 1073bdcd8170SKalle Valo 107459c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1075bdcd8170SKalle Valo netif_carrier_on(dev); 1076bdcd8170SKalle Valo netif_wake_queue(dev); 1077bdcd8170SKalle Valo } else 1078bdcd8170SKalle Valo netif_carrier_off(dev); 1079bdcd8170SKalle Valo 1080bdcd8170SKalle Valo return 0; 1081bdcd8170SKalle Valo } 1082bdcd8170SKalle Valo 1083bdcd8170SKalle Valo static int ath6kl_close(struct net_device *dev) 1084bdcd8170SKalle Valo { 1085bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 108659c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 10875fe4dffbSKalle Valo int ret; 1088bdcd8170SKalle Valo 1089bdcd8170SKalle Valo netif_stop_queue(dev); 1090bdcd8170SKalle Valo 1091240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 1092bdcd8170SKalle Valo 1093bdcd8170SKalle Valo if (test_bit(WMI_READY, &ar->flag)) { 1094334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0xFFFF, 1095334234b5SVasanthakumar Thiagarajan 0, 0, 0, 0, 0, 0, 0, 0, 0)) 1096bdcd8170SKalle Valo return -EIO; 1097bdcd8170SKalle Valo 1098bdcd8170SKalle Valo } 1099bdcd8170SKalle Valo 11001c17d313SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 1101bdcd8170SKalle Valo 11025fe4dffbSKalle Valo /* FIXME: how to handle multi vif support? */ 11035fe4dffbSKalle Valo ret = ath6kl_init_hw_stop(ar); 11045fe4dffbSKalle Valo if (ret) 11055fe4dffbSKalle Valo return ret; 11065fe4dffbSKalle Valo 110768469341SKalle Valo clear_bit(WLAN_ENABLED, &vif->flags); 110868469341SKalle Valo 1109bdcd8170SKalle Valo return 0; 1110bdcd8170SKalle Valo } 1111bdcd8170SKalle Valo 1112bdcd8170SKalle Valo static struct net_device_stats *ath6kl_get_stats(struct net_device *dev) 1113bdcd8170SKalle Valo { 1114b95907a7SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1115bdcd8170SKalle Valo 1116b95907a7SVasanthakumar Thiagarajan return &vif->net_stats; 1117bdcd8170SKalle Valo } 1118bdcd8170SKalle Valo 1119bdcd8170SKalle Valo static struct net_device_ops ath6kl_netdev_ops = { 1120bdcd8170SKalle Valo .ndo_open = ath6kl_open, 1121bdcd8170SKalle Valo .ndo_stop = ath6kl_close, 1122bdcd8170SKalle Valo .ndo_start_xmit = ath6kl_data_tx, 1123bdcd8170SKalle Valo .ndo_get_stats = ath6kl_get_stats, 1124bdcd8170SKalle Valo }; 1125bdcd8170SKalle Valo 1126bdcd8170SKalle Valo void init_netdev(struct net_device *dev) 1127bdcd8170SKalle Valo { 1128bdcd8170SKalle Valo dev->netdev_ops = &ath6kl_netdev_ops; 112927929723SVasanthakumar Thiagarajan dev->destructor = free_netdev; 1130bdcd8170SKalle Valo dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; 1131bdcd8170SKalle Valo 1132bdcd8170SKalle Valo dev->needed_headroom = ETH_HLEN; 1133bdcd8170SKalle Valo dev->needed_headroom += sizeof(struct ath6kl_llc_snap_hdr) + 1134bdcd8170SKalle Valo sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH 11351df94a85SVasanthakumar Thiagarajan + WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES; 1136bdcd8170SKalle Valo 1137bdcd8170SKalle Valo return; 1138bdcd8170SKalle Valo } 1139