1bdcd8170SKalle Valo /* 2bdcd8170SKalle Valo * Copyright (c) 2004-2011 Atheros Communications Inc. 31b2df407SVasanthakumar Thiagarajan * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. 4bdcd8170SKalle Valo * 5bdcd8170SKalle Valo * Permission to use, copy, modify, and/or distribute this software for any 6bdcd8170SKalle Valo * purpose with or without fee is hereby granted, provided that the above 7bdcd8170SKalle Valo * copyright notice and this permission notice appear in all copies. 8bdcd8170SKalle Valo * 9bdcd8170SKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10bdcd8170SKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11bdcd8170SKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12bdcd8170SKalle Valo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13bdcd8170SKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14bdcd8170SKalle Valo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15bdcd8170SKalle Valo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16bdcd8170SKalle Valo */ 17bdcd8170SKalle Valo 18516304b0SJoe Perches #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 19516304b0SJoe Perches 20bdcd8170SKalle Valo #include "core.h" 21bdcd8170SKalle Valo #include "hif-ops.h" 22bdcd8170SKalle Valo #include "cfg80211.h" 23bdcd8170SKalle Valo #include "target.h" 24bdcd8170SKalle Valo #include "debug.h" 25bdcd8170SKalle Valo 266765d0aaSVasanthakumar Thiagarajan struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr) 27bdcd8170SKalle Valo { 286765d0aaSVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 29bdcd8170SKalle Valo struct ath6kl_sta *conn = NULL; 30bdcd8170SKalle Valo u8 i, max_conn; 31bdcd8170SKalle Valo 32f5938f24SVasanthakumar Thiagarajan max_conn = (vif->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0; 33bdcd8170SKalle Valo 34bdcd8170SKalle Valo for (i = 0; i < max_conn; i++) { 35bdcd8170SKalle Valo if (memcmp(node_addr, ar->sta_list[i].mac, ETH_ALEN) == 0) { 36bdcd8170SKalle Valo conn = &ar->sta_list[i]; 37bdcd8170SKalle Valo break; 38bdcd8170SKalle Valo } 39bdcd8170SKalle Valo } 40bdcd8170SKalle Valo 41bdcd8170SKalle Valo return conn; 42bdcd8170SKalle Valo } 43bdcd8170SKalle Valo 44bdcd8170SKalle Valo struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid) 45bdcd8170SKalle Valo { 46bdcd8170SKalle Valo struct ath6kl_sta *conn = NULL; 47bdcd8170SKalle Valo u8 ctr; 48bdcd8170SKalle Valo 49bdcd8170SKalle Valo for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { 50bdcd8170SKalle Valo if (ar->sta_list[ctr].aid == aid) { 51bdcd8170SKalle Valo conn = &ar->sta_list[ctr]; 52bdcd8170SKalle Valo break; 53bdcd8170SKalle Valo } 54bdcd8170SKalle Valo } 55bdcd8170SKalle Valo return conn; 56bdcd8170SKalle Valo } 57bdcd8170SKalle Valo 5817741c8dSVasanthakumar Thiagarajan static void ath6kl_add_new_sta(struct ath6kl_vif *vif, u8 *mac, u16 aid, 5917741c8dSVasanthakumar Thiagarajan u8 *wpaie, size_t ielen, u8 keymgmt, 6017741c8dSVasanthakumar Thiagarajan u8 ucipher, u8 auth, u8 apsd_info) 61bdcd8170SKalle Valo { 6217741c8dSVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 63bdcd8170SKalle Valo struct ath6kl_sta *sta; 64bdcd8170SKalle Valo u8 free_slot; 65bdcd8170SKalle Valo 66bdcd8170SKalle Valo free_slot = aid - 1; 67bdcd8170SKalle Valo 68bdcd8170SKalle Valo sta = &ar->sta_list[free_slot]; 69bdcd8170SKalle Valo memcpy(sta->mac, mac, ETH_ALEN); 703c774bbaSJouni Malinen if (ielen <= ATH6KL_MAX_IE) 71bdcd8170SKalle Valo memcpy(sta->wpa_ie, wpaie, ielen); 72bdcd8170SKalle Valo sta->aid = aid; 73bdcd8170SKalle Valo sta->keymgmt = keymgmt; 74bdcd8170SKalle Valo sta->ucipher = ucipher; 75bdcd8170SKalle Valo sta->auth = auth; 76c1762a3fSThirumalai Pachamuthu sta->apsd_info = apsd_info; 77bdcd8170SKalle Valo 78bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index | (1 << free_slot); 79bdcd8170SKalle Valo ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid); 80c8651541SVasanthakumar Thiagarajan aggr_conn_init(vif, vif->aggr_cntxt, sta->aggr_conn); 81bdcd8170SKalle Valo } 82bdcd8170SKalle Valo 83bdcd8170SKalle Valo static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i) 84bdcd8170SKalle Valo { 85bdcd8170SKalle Valo struct ath6kl_sta *sta = &ar->sta_list[i]; 86d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *entry, *tmp; 87bdcd8170SKalle Valo 88bdcd8170SKalle Valo /* empty the queued pkts in the PS queue if any */ 89bdcd8170SKalle Valo spin_lock_bh(&sta->psq_lock); 90bdcd8170SKalle Valo skb_queue_purge(&sta->psq); 91c1762a3fSThirumalai Pachamuthu skb_queue_purge(&sta->apsdq); 92d0ff7383SNaveen Gangadharan 93d0ff7383SNaveen Gangadharan if (sta->mgmt_psq_len != 0) { 94d0ff7383SNaveen Gangadharan list_for_each_entry_safe(entry, tmp, &sta->mgmt_psq, list) { 95d0ff7383SNaveen Gangadharan kfree(entry); 96d0ff7383SNaveen Gangadharan } 97d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&sta->mgmt_psq); 98d0ff7383SNaveen Gangadharan sta->mgmt_psq_len = 0; 99d0ff7383SNaveen Gangadharan } 100d0ff7383SNaveen Gangadharan 101bdcd8170SKalle Valo spin_unlock_bh(&sta->psq_lock); 102bdcd8170SKalle Valo 103bdcd8170SKalle Valo memset(&ar->ap_stats.sta[sta->aid - 1], 0, 104bdcd8170SKalle Valo sizeof(struct wmi_per_sta_stat)); 105bdcd8170SKalle Valo memset(sta->mac, 0, ETH_ALEN); 106bdcd8170SKalle Valo memset(sta->wpa_ie, 0, ATH6KL_MAX_IE); 107bdcd8170SKalle Valo sta->aid = 0; 108bdcd8170SKalle Valo sta->sta_flags = 0; 109bdcd8170SKalle Valo 110bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index & ~(1 << i); 1111d2a4456SVasanthakumar Thiagarajan aggr_reset_state(sta->aggr_conn); 112bdcd8170SKalle Valo } 113bdcd8170SKalle Valo 114bdcd8170SKalle Valo static u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason) 115bdcd8170SKalle Valo { 116bdcd8170SKalle Valo u8 i, removed = 0; 117bdcd8170SKalle Valo 118bdcd8170SKalle Valo if (is_zero_ether_addr(mac)) 119bdcd8170SKalle Valo return removed; 120bdcd8170SKalle Valo 121bdcd8170SKalle Valo if (is_broadcast_ether_addr(mac)) { 122bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "deleting all station\n"); 123bdcd8170SKalle Valo 124bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 125bdcd8170SKalle Valo if (!is_zero_ether_addr(ar->sta_list[i].mac)) { 126bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 127bdcd8170SKalle Valo removed = 1; 128bdcd8170SKalle Valo } 129bdcd8170SKalle Valo } 130bdcd8170SKalle Valo } else { 131bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 132bdcd8170SKalle Valo if (memcmp(ar->sta_list[i].mac, mac, ETH_ALEN) == 0) { 133bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 134bdcd8170SKalle Valo "deleting station %pM aid=%d reason=%d\n", 135bdcd8170SKalle Valo mac, ar->sta_list[i].aid, reason); 136bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 137bdcd8170SKalle Valo removed = 1; 138bdcd8170SKalle Valo break; 139bdcd8170SKalle Valo } 140bdcd8170SKalle Valo } 141bdcd8170SKalle Valo } 142bdcd8170SKalle Valo 143bdcd8170SKalle Valo return removed; 144bdcd8170SKalle Valo } 145bdcd8170SKalle Valo 146bdcd8170SKalle Valo enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac) 147bdcd8170SKalle Valo { 148bdcd8170SKalle Valo struct ath6kl *ar = devt; 149bdcd8170SKalle Valo return ar->ac2ep_map[ac]; 150bdcd8170SKalle Valo } 151bdcd8170SKalle Valo 152bdcd8170SKalle Valo struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar) 153bdcd8170SKalle Valo { 154bdcd8170SKalle Valo struct ath6kl_cookie *cookie; 155bdcd8170SKalle Valo 156bdcd8170SKalle Valo cookie = ar->cookie_list; 157bdcd8170SKalle Valo if (cookie != NULL) { 158bdcd8170SKalle Valo ar->cookie_list = cookie->arc_list_next; 159bdcd8170SKalle Valo ar->cookie_count--; 160bdcd8170SKalle Valo } 161bdcd8170SKalle Valo 162bdcd8170SKalle Valo return cookie; 163bdcd8170SKalle Valo } 164bdcd8170SKalle Valo 165bdcd8170SKalle Valo void ath6kl_cookie_init(struct ath6kl *ar) 166bdcd8170SKalle Valo { 167bdcd8170SKalle Valo u32 i; 168bdcd8170SKalle Valo 169bdcd8170SKalle Valo ar->cookie_list = NULL; 170bdcd8170SKalle Valo ar->cookie_count = 0; 171bdcd8170SKalle Valo 172bdcd8170SKalle Valo memset(ar->cookie_mem, 0, sizeof(ar->cookie_mem)); 173bdcd8170SKalle Valo 174bdcd8170SKalle Valo for (i = 0; i < MAX_COOKIE_NUM; i++) 175bdcd8170SKalle Valo ath6kl_free_cookie(ar, &ar->cookie_mem[i]); 176bdcd8170SKalle Valo } 177bdcd8170SKalle Valo 178bdcd8170SKalle Valo void ath6kl_cookie_cleanup(struct ath6kl *ar) 179bdcd8170SKalle Valo { 180bdcd8170SKalle Valo ar->cookie_list = NULL; 181bdcd8170SKalle Valo ar->cookie_count = 0; 182bdcd8170SKalle Valo } 183bdcd8170SKalle Valo 184bdcd8170SKalle Valo void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie) 185bdcd8170SKalle Valo { 186bdcd8170SKalle Valo /* Insert first */ 187bdcd8170SKalle Valo 188bdcd8170SKalle Valo if (!ar || !cookie) 189bdcd8170SKalle Valo return; 190bdcd8170SKalle Valo 191bdcd8170SKalle Valo cookie->arc_list_next = ar->cookie_list; 192bdcd8170SKalle Valo ar->cookie_list = cookie; 193bdcd8170SKalle Valo ar->cookie_count++; 194bdcd8170SKalle Valo } 195bdcd8170SKalle Valo 196bdcd8170SKalle Valo /* 197addb44beSKalle Valo * Read from the hardware through its diagnostic window. No cooperation 198addb44beSKalle Valo * from the firmware is required for this. 199bdcd8170SKalle Valo */ 200addb44beSKalle Valo int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value) 201bdcd8170SKalle Valo { 202addb44beSKalle Valo int ret; 203bdcd8170SKalle Valo 204c7111495SKalle Valo ret = ath6kl_hif_diag_read32(ar, address, value); 205addb44beSKalle Valo if (ret) { 206addb44beSKalle Valo ath6kl_warn("failed to read32 through diagnose window: %d\n", 207addb44beSKalle Valo ret); 208addb44beSKalle Valo return ret; 209bdcd8170SKalle Valo } 210bdcd8170SKalle Valo 211addb44beSKalle Valo return 0; 212bdcd8170SKalle Valo } 213bdcd8170SKalle Valo 214bdcd8170SKalle Valo /* 215bdcd8170SKalle Valo * Write to the ATH6KL through its diagnostic window. No cooperation from 216bdcd8170SKalle Valo * the Target is required for this. 217bdcd8170SKalle Valo */ 218f9ea0753SVasanthakumar Thiagarajan int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value) 219bdcd8170SKalle Valo { 220addb44beSKalle Valo int ret; 221bdcd8170SKalle Valo 222c7111495SKalle Valo ret = ath6kl_hif_diag_write32(ar, address, value); 223c7111495SKalle Valo 224addb44beSKalle Valo if (ret) { 225addb44beSKalle Valo ath6kl_err("failed to write 0x%x during diagnose window to 0x%d\n", 226addb44beSKalle Valo address, value); 227addb44beSKalle Valo return ret; 228bdcd8170SKalle Valo } 229bdcd8170SKalle Valo 230c7111495SKalle Valo return 0; 231bdcd8170SKalle Valo } 232bdcd8170SKalle Valo 233addb44beSKalle Valo int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length) 234bdcd8170SKalle Valo { 235addb44beSKalle Valo u32 count, *buf = data; 236addb44beSKalle Valo int ret; 237bdcd8170SKalle Valo 238addb44beSKalle Valo if (WARN_ON(length % 4)) 239addb44beSKalle Valo return -EINVAL; 240addb44beSKalle Valo 241addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 242addb44beSKalle Valo ret = ath6kl_diag_read32(ar, address, &buf[count]); 243addb44beSKalle Valo if (ret) 244addb44beSKalle Valo return ret; 245bdcd8170SKalle Valo } 246bdcd8170SKalle Valo 247addb44beSKalle Valo return 0; 248addb44beSKalle Valo } 249addb44beSKalle Valo 250addb44beSKalle Valo int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length) 251addb44beSKalle Valo { 252f9ea0753SVasanthakumar Thiagarajan u32 count; 253f9ea0753SVasanthakumar Thiagarajan __le32 *buf = data; 254addb44beSKalle Valo int ret; 255addb44beSKalle Valo 256addb44beSKalle Valo if (WARN_ON(length % 4)) 257addb44beSKalle Valo return -EINVAL; 258addb44beSKalle Valo 259addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 260addb44beSKalle Valo ret = ath6kl_diag_write32(ar, address, buf[count]); 261addb44beSKalle Valo if (ret) 262addb44beSKalle Valo return ret; 263addb44beSKalle Valo } 264addb44beSKalle Valo 265addb44beSKalle Valo return 0; 266bdcd8170SKalle Valo } 267bdcd8170SKalle Valo 268bc07ddb2SKalle Valo int ath6kl_read_fwlogs(struct ath6kl *ar) 269bc07ddb2SKalle Valo { 270bc07ddb2SKalle Valo struct ath6kl_dbglog_hdr debug_hdr; 271bc07ddb2SKalle Valo struct ath6kl_dbglog_buf debug_buf; 272bc07ddb2SKalle Valo u32 address, length, dropped, firstbuf, debug_hdr_addr; 273e80ec84dSRaja Mani int ret, loop; 274bc07ddb2SKalle Valo u8 *buf; 275bc07ddb2SKalle Valo 276bc07ddb2SKalle Valo buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL); 277bc07ddb2SKalle Valo if (!buf) 278bc07ddb2SKalle Valo return -ENOMEM; 279bc07ddb2SKalle Valo 280bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 281bc07ddb2SKalle Valo ath6kl_get_hi_item_addr(ar, 282bc07ddb2SKalle Valo HI_ITEM(hi_dbglog_hdr))); 283bc07ddb2SKalle Valo 284bc07ddb2SKalle Valo ret = ath6kl_diag_read32(ar, address, &debug_hdr_addr); 285bc07ddb2SKalle Valo if (ret) 286bc07ddb2SKalle Valo goto out; 287bc07ddb2SKalle Valo 288bc07ddb2SKalle Valo /* Get the contents of the ring buffer */ 289bc07ddb2SKalle Valo if (debug_hdr_addr == 0) { 290bc07ddb2SKalle Valo ath6kl_warn("Invalid address for debug_hdr_addr\n"); 291bc07ddb2SKalle Valo ret = -EINVAL; 292bc07ddb2SKalle Valo goto out; 293bc07ddb2SKalle Valo } 294bc07ddb2SKalle Valo 295bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, debug_hdr_addr); 296bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr)); 297bc07ddb2SKalle Valo 298bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 299bc07ddb2SKalle Valo le32_to_cpu(debug_hdr.dbuf_addr)); 300bc07ddb2SKalle Valo firstbuf = address; 301bc07ddb2SKalle Valo dropped = le32_to_cpu(debug_hdr.dropped); 302bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 303bc07ddb2SKalle Valo 304bc07ddb2SKalle Valo loop = 100; 305bc07ddb2SKalle Valo 306bc07ddb2SKalle Valo do { 307bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 308bc07ddb2SKalle Valo le32_to_cpu(debug_buf.buffer_addr)); 309bc07ddb2SKalle Valo length = le32_to_cpu(debug_buf.length); 310bc07ddb2SKalle Valo 311bc07ddb2SKalle Valo if (length != 0 && (le32_to_cpu(debug_buf.length) <= 312bc07ddb2SKalle Valo le32_to_cpu(debug_buf.bufsize))) { 313bc07ddb2SKalle Valo length = ALIGN(length, 4); 314bc07ddb2SKalle Valo 315bc07ddb2SKalle Valo ret = ath6kl_diag_read(ar, address, 316bc07ddb2SKalle Valo buf, length); 317bc07ddb2SKalle Valo if (ret) 318bc07ddb2SKalle Valo goto out; 319bc07ddb2SKalle Valo 320bc07ddb2SKalle Valo ath6kl_debug_fwlog_event(ar, buf, length); 321bc07ddb2SKalle Valo } 322bc07ddb2SKalle Valo 323bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 324bc07ddb2SKalle Valo le32_to_cpu(debug_buf.next)); 325bc07ddb2SKalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 326bc07ddb2SKalle Valo if (ret) 327bc07ddb2SKalle Valo goto out; 328bc07ddb2SKalle Valo 329bc07ddb2SKalle Valo loop--; 330bc07ddb2SKalle Valo 331bc07ddb2SKalle Valo if (WARN_ON(loop == 0)) { 332bc07ddb2SKalle Valo ret = -ETIMEDOUT; 333bc07ddb2SKalle Valo goto out; 334bc07ddb2SKalle Valo } 335bc07ddb2SKalle Valo } while (address != firstbuf); 336bc07ddb2SKalle Valo 337bc07ddb2SKalle Valo out: 338bc07ddb2SKalle Valo kfree(buf); 339bc07ddb2SKalle Valo 340bc07ddb2SKalle Valo return ret; 341bc07ddb2SKalle Valo } 342bc07ddb2SKalle Valo 34331024d99SKevin Fang /* FIXME: move to a better place, target.h? */ 34431024d99SKevin Fang #define AR6003_RESET_CONTROL_ADDRESS 0x00004000 34531024d99SKevin Fang #define AR6004_RESET_CONTROL_ADDRESS 0x00004000 34631024d99SKevin Fang 3476db8fa53SVasanthakumar Thiagarajan void ath6kl_reset_device(struct ath6kl *ar, u32 target_type, 348bdcd8170SKalle Valo bool wait_fot_compltn, bool cold_reset) 349bdcd8170SKalle Valo { 350bdcd8170SKalle Valo int status = 0; 351bdcd8170SKalle Valo u32 address; 352f9ea0753SVasanthakumar Thiagarajan __le32 data; 353bdcd8170SKalle Valo 35431024d99SKevin Fang if (target_type != TARGET_TYPE_AR6003 && 35531024d99SKevin Fang target_type != TARGET_TYPE_AR6004) 356bdcd8170SKalle Valo return; 357bdcd8170SKalle Valo 358f9ea0753SVasanthakumar Thiagarajan data = cold_reset ? cpu_to_le32(RESET_CONTROL_COLD_RST) : 359f9ea0753SVasanthakumar Thiagarajan cpu_to_le32(RESET_CONTROL_MBOX_RST); 360bdcd8170SKalle Valo 36131024d99SKevin Fang switch (target_type) { 36231024d99SKevin Fang case TARGET_TYPE_AR6003: 36331024d99SKevin Fang address = AR6003_RESET_CONTROL_ADDRESS; 36431024d99SKevin Fang break; 36531024d99SKevin Fang case TARGET_TYPE_AR6004: 36631024d99SKevin Fang address = AR6004_RESET_CONTROL_ADDRESS; 36731024d99SKevin Fang break; 36831024d99SKevin Fang } 36931024d99SKevin Fang 370addb44beSKalle Valo status = ath6kl_diag_write32(ar, address, data); 371bdcd8170SKalle Valo 372bdcd8170SKalle Valo if (status) 373bdcd8170SKalle Valo ath6kl_err("failed to reset target\n"); 374bdcd8170SKalle Valo } 375bdcd8170SKalle Valo 376240d2799SVasanthakumar Thiagarajan static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif) 377bdcd8170SKalle Valo { 378bdcd8170SKalle Valo u8 index; 379bdcd8170SKalle Valo u8 keyusage; 380bdcd8170SKalle Valo 381792ecb33SVivek Natarajan for (index = 0; index <= WMI_MAX_KEY_INDEX; index++) { 3826f2a73f9SVasanthakumar Thiagarajan if (vif->wep_key_list[index].key_len) { 383bdcd8170SKalle Valo keyusage = GROUP_USAGE; 3843450334fSVasanthakumar Thiagarajan if (index == vif->def_txkey_index) 385bdcd8170SKalle Valo keyusage |= TX_USAGE; 386bdcd8170SKalle Valo 387240d2799SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(vif->ar->wmi, vif->fw_vif_idx, 388bdcd8170SKalle Valo index, 389bdcd8170SKalle Valo WEP_CRYPT, 390bdcd8170SKalle Valo keyusage, 3916f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key_len, 392f4bb9a6fSJouni Malinen NULL, 0, 3936f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key, 394bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 395bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 396bdcd8170SKalle Valo } 397bdcd8170SKalle Valo } 398bdcd8170SKalle Valo } 399bdcd8170SKalle Valo 400240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel) 401bdcd8170SKalle Valo { 402240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 403bdcd8170SKalle Valo struct ath6kl_req_key *ik; 4049a5b1318SJouni Malinen int res; 4059a5b1318SJouni Malinen u8 key_rsc[ATH6KL_KEY_SEQ_LEN]; 406bdcd8170SKalle Valo 407bdcd8170SKalle Valo ik = &ar->ap_mode_bkey; 408bdcd8170SKalle Valo 409572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel); 4109a5b1318SJouni Malinen 4113450334fSVasanthakumar Thiagarajan switch (vif->auth_mode) { 412bdcd8170SKalle Valo case NONE_AUTH: 4133450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 414240d2799SVasanthakumar Thiagarajan ath6kl_install_static_wep_keys(vif); 4154703290aSJouni Malinen if (!ik->valid || ik->key_type != WAPI_CRYPT) 416bdcd8170SKalle Valo break; 4174703290aSJouni Malinen /* for WAPI, we need to set the delayed group key, continue: */ 418bdcd8170SKalle Valo case WPA_PSK_AUTH: 419bdcd8170SKalle Valo case WPA2_PSK_AUTH: 420bdcd8170SKalle Valo case (WPA_PSK_AUTH | WPA2_PSK_AUTH): 4219a5b1318SJouni Malinen if (!ik->valid) 422bdcd8170SKalle Valo break; 4239a5b1318SJouni Malinen 424cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 425cdeb8602SKalle Valo "Delayed addkey for the initial group key for AP mode\n"); 4269a5b1318SJouni Malinen memset(key_rsc, 0, sizeof(key_rsc)); 4279a5b1318SJouni Malinen res = ath6kl_wmi_addkey_cmd( 428334234b5SVasanthakumar Thiagarajan ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type, 429f4bb9a6fSJouni Malinen GROUP_USAGE, ik->key_len, key_rsc, ATH6KL_KEY_SEQ_LEN, 430f4bb9a6fSJouni Malinen ik->key, 4319a5b1318SJouni Malinen KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG); 4329a5b1318SJouni Malinen if (res) { 433cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 434cdeb8602SKalle Valo "Delayed addkey failed: %d\n", res); 435bdcd8170SKalle Valo } 436bdcd8170SKalle Valo break; 437bdcd8170SKalle Valo } 4389a5b1318SJouni Malinen 439c4f7863eSThomas Pedersen if (ar->want_ch_switch & (1 << vif->fw_vif_idx)) { 440c4f7863eSThomas Pedersen ar->want_ch_switch &= ~(1 << vif->fw_vif_idx); 441c4f7863eSThomas Pedersen /* we actually don't know the phymode, default to HT20 */ 442c4f7863eSThomas Pedersen ath6kl_cfg80211_ch_switch_notify(vif, channel, 443c4f7863eSThomas Pedersen WMI_11G_HT20); 444c4f7863eSThomas Pedersen } 445c4f7863eSThomas Pedersen 446240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0); 44759c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 448240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 449bdcd8170SKalle Valo } 450bdcd8170SKalle Valo 451240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 452572e27c0SJouni Malinen u8 keymgmt, u8 ucipher, u8 auth, 453c1762a3fSThirumalai Pachamuthu u8 assoc_req_len, u8 *assoc_info, u8 apsd_info) 454572e27c0SJouni Malinen { 455572e27c0SJouni Malinen u8 *ies = NULL, *wpa_ie = NULL, *pos; 456572e27c0SJouni Malinen size_t ies_len = 0; 457572e27c0SJouni Malinen struct station_info sinfo; 458572e27c0SJouni Malinen 459572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); 460bdcd8170SKalle Valo 4613c774bbaSJouni Malinen if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { 4623c774bbaSJouni Malinen struct ieee80211_mgmt *mgmt = 4633c774bbaSJouni Malinen (struct ieee80211_mgmt *) assoc_info; 4643c774bbaSJouni Malinen if (ieee80211_is_assoc_req(mgmt->frame_control) && 4653c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) + 4663c774bbaSJouni Malinen sizeof(mgmt->u.assoc_req)) { 4673c774bbaSJouni Malinen ies = mgmt->u.assoc_req.variable; 4683c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 4693c774bbaSJouni Malinen } else if (ieee80211_is_reassoc_req(mgmt->frame_control) && 4703c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) 4713c774bbaSJouni Malinen + sizeof(mgmt->u.reassoc_req)) { 4723c774bbaSJouni Malinen ies = mgmt->u.reassoc_req.variable; 4733c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 4743c774bbaSJouni Malinen } 4753c774bbaSJouni Malinen } 4763c774bbaSJouni Malinen 4773c774bbaSJouni Malinen pos = ies; 4783c774bbaSJouni Malinen while (pos && pos + 1 < ies + ies_len) { 4793c774bbaSJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 4803c774bbaSJouni Malinen break; 4813c774bbaSJouni Malinen if (pos[0] == WLAN_EID_RSN) 4823c774bbaSJouni Malinen wpa_ie = pos; /* RSN IE */ 4833c774bbaSJouni Malinen else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 4843c774bbaSJouni Malinen pos[1] >= 4 && 4853c774bbaSJouni Malinen pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) { 4863c774bbaSJouni Malinen if (pos[5] == 0x01) 4873c774bbaSJouni Malinen wpa_ie = pos; /* WPA IE */ 4883c774bbaSJouni Malinen else if (pos[5] == 0x04) { 4893c774bbaSJouni Malinen wpa_ie = pos; /* WPS IE */ 4903c774bbaSJouni Malinen break; /* overrides WPA/RSN IE */ 4913c774bbaSJouni Malinen } 49230677ae0SDai Shuibing } else if (pos[0] == 0x44 && wpa_ie == NULL) { 49330677ae0SDai Shuibing /* 49430677ae0SDai Shuibing * Note: WAPI Parameter Set IE re-uses Element ID that 49530677ae0SDai Shuibing * was officially allocated for BSS AC Access Delay. As 49630677ae0SDai Shuibing * such, we need to be a bit more careful on when 49730677ae0SDai Shuibing * parsing the frame. However, BSS AC Access Delay 49830677ae0SDai Shuibing * element is not supposed to be included in 49930677ae0SDai Shuibing * (Re)Association Request frames, so this should not 50030677ae0SDai Shuibing * cause problems. 50130677ae0SDai Shuibing */ 50230677ae0SDai Shuibing wpa_ie = pos; /* WAPI IE */ 50330677ae0SDai Shuibing break; 5043c774bbaSJouni Malinen } 5053c774bbaSJouni Malinen pos += 2 + pos[1]; 5063c774bbaSJouni Malinen } 5073c774bbaSJouni Malinen 50817741c8dSVasanthakumar Thiagarajan ath6kl_add_new_sta(vif, mac_addr, aid, wpa_ie, 5093c774bbaSJouni Malinen wpa_ie ? 2 + wpa_ie[1] : 0, 510c1762a3fSThirumalai Pachamuthu keymgmt, ucipher, auth, apsd_info); 511bdcd8170SKalle Valo 512bdcd8170SKalle Valo /* send event to application */ 513bdcd8170SKalle Valo memset(&sinfo, 0, sizeof(sinfo)); 514bdcd8170SKalle Valo 515bdcd8170SKalle Valo /* TODO: sinfo.generation */ 5163c774bbaSJouni Malinen 5173c774bbaSJouni Malinen sinfo.assoc_req_ies = ies; 5183c774bbaSJouni Malinen sinfo.assoc_req_ies_len = ies_len; 5193c774bbaSJouni Malinen sinfo.filled |= STATION_INFO_ASSOC_REQ_IES; 5203c774bbaSJouni Malinen 521240d2799SVasanthakumar Thiagarajan cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL); 522bdcd8170SKalle Valo 523240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 524bdcd8170SKalle Valo } 525bdcd8170SKalle Valo 526bdcd8170SKalle Valo void disconnect_timer_handler(unsigned long ptr) 527bdcd8170SKalle Valo { 528bdcd8170SKalle Valo struct net_device *dev = (struct net_device *)ptr; 529334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 530bdcd8170SKalle Valo 531e29f25f5SVasanthakumar Thiagarajan ath6kl_init_profile_info(vif); 532240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 533bdcd8170SKalle Valo } 534bdcd8170SKalle Valo 535240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect(struct ath6kl_vif *vif) 536bdcd8170SKalle Valo { 53759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) || 53859c98449SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) { 539240d2799SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 540bdcd8170SKalle Valo /* 541bdcd8170SKalle Valo * Disconnect command is issued, clear the connect pending 542bdcd8170SKalle Valo * flag. The connected flag will be cleared in 543bdcd8170SKalle Valo * disconnect event notification. 544bdcd8170SKalle Valo */ 54559c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 546bdcd8170SKalle Valo } 547bdcd8170SKalle Valo } 548bdcd8170SKalle Valo 549bdcd8170SKalle Valo /* WMI Event handlers */ 550bdcd8170SKalle Valo 551d92917e4SThomas Pedersen void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver, 552d92917e4SThomas Pedersen enum wmi_phy_cap cap) 553bdcd8170SKalle Valo { 554bdcd8170SKalle Valo struct ath6kl *ar = devt; 555bdcd8170SKalle Valo 556d66ea4f9SVasanthakumar Thiagarajan memcpy(ar->mac_addr, datap, ETH_ALEN); 557b5b6f6a9SNaveen Singh 558b5b6f6a9SNaveen Singh ath6kl_dbg(ATH6KL_DBG_BOOT, 559b5b6f6a9SNaveen Singh "ready event mac addr %pM sw_ver 0x%x abi_ver 0x%x cap 0x%x\n", 560b5b6f6a9SNaveen Singh ar->mac_addr, sw_ver, abi_ver, cap); 561bdcd8170SKalle Valo 562bdcd8170SKalle Valo ar->version.wlan_ver = sw_ver; 563bdcd8170SKalle Valo ar->version.abi_ver = abi_ver; 564d92917e4SThomas Pedersen ar->hw.cap = cap; 565bdcd8170SKalle Valo 566b5b6f6a9SNaveen Singh if (strlen(ar->wiphy->fw_version) == 0) { 567be98e3a4SVasanthakumar Thiagarajan snprintf(ar->wiphy->fw_version, 568be98e3a4SVasanthakumar Thiagarajan sizeof(ar->wiphy->fw_version), 569bdcd8170SKalle Valo "%u.%u.%u.%u", 570bdcd8170SKalle Valo (ar->version.wlan_ver & 0xf0000000) >> 28, 571bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0f000000) >> 24, 572bdcd8170SKalle Valo (ar->version.wlan_ver & 0x00ff0000) >> 16, 573bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0000ffff)); 574b5b6f6a9SNaveen Singh } 575bdcd8170SKalle Valo 576bdcd8170SKalle Valo /* indicate to the waiting thread that the ready event was received */ 577bdcd8170SKalle Valo set_bit(WMI_READY, &ar->flag); 578bdcd8170SKalle Valo wake_up(&ar->event_wq); 5795fe4dffbSKalle Valo } 580bdcd8170SKalle Valo 581240d2799SVasanthakumar Thiagarajan void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status) 582bdcd8170SKalle Valo { 583240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 5841c17d313SKalle Valo bool aborted = false; 58559c98449SVasanthakumar Thiagarajan 5861c17d313SKalle Valo if (status != WMI_SCAN_STATUS_SUCCESS) 5871c17d313SKalle Valo aborted = true; 5881c17d313SKalle Valo 5891c17d313SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, aborted); 590bdcd8170SKalle Valo 591551185caSJouni Malinen if (!ar->usr_bss_filter) { 59259c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 593240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 594240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 595551185caSJouni Malinen } 596bdcd8170SKalle Valo 597d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status); 598bdcd8170SKalle Valo } 599bdcd8170SKalle Valo 600c4f7863eSThomas Pedersen static int ath6kl_commit_ch_switch(struct ath6kl_vif *vif, u16 channel) 601c4f7863eSThomas Pedersen { 602c4f7863eSThomas Pedersen 603c4f7863eSThomas Pedersen struct ath6kl *ar = vif->ar; 604c4f7863eSThomas Pedersen 605c4f7863eSThomas Pedersen vif->next_chan = channel; 606c4f7863eSThomas Pedersen vif->profile.ch = cpu_to_le16(channel); 607c4f7863eSThomas Pedersen 608c4f7863eSThomas Pedersen switch (vif->nw_type) { 609c4f7863eSThomas Pedersen case AP_NETWORK: 610c4f7863eSThomas Pedersen return ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, 611c4f7863eSThomas Pedersen &vif->profile); 612c4f7863eSThomas Pedersen default: 613c4f7863eSThomas Pedersen ath6kl_err("won't switch channels nw_type=%d\n", vif->nw_type); 614c4f7863eSThomas Pedersen return -ENOTSUPP; 615c4f7863eSThomas Pedersen } 616c4f7863eSThomas Pedersen } 617c4f7863eSThomas Pedersen 618c4f7863eSThomas Pedersen static void ath6kl_check_ch_switch(struct ath6kl *ar, u16 channel) 619c4f7863eSThomas Pedersen { 620c4f7863eSThomas Pedersen 621c4f7863eSThomas Pedersen struct ath6kl_vif *vif; 622c4f7863eSThomas Pedersen int res = 0; 623c4f7863eSThomas Pedersen 624c4f7863eSThomas Pedersen if (!ar->want_ch_switch) 625c4f7863eSThomas Pedersen return; 626c4f7863eSThomas Pedersen 627c4f7863eSThomas Pedersen spin_lock_bh(&ar->list_lock); 628c4f7863eSThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 629c4f7863eSThomas Pedersen if (ar->want_ch_switch & (1 << vif->fw_vif_idx)) 630c4f7863eSThomas Pedersen res = ath6kl_commit_ch_switch(vif, channel); 631c4f7863eSThomas Pedersen 632c4f7863eSThomas Pedersen if (res) 633c4f7863eSThomas Pedersen ath6kl_err("channel switch failed nw_type %d res %d\n", 634c4f7863eSThomas Pedersen vif->nw_type, res); 635c4f7863eSThomas Pedersen } 636c4f7863eSThomas Pedersen spin_unlock_bh(&ar->list_lock); 637c4f7863eSThomas Pedersen } 638c4f7863eSThomas Pedersen 639240d2799SVasanthakumar Thiagarajan void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid, 640bdcd8170SKalle Valo u16 listen_int, u16 beacon_int, 641bdcd8170SKalle Valo enum network_type net_type, u8 beacon_ie_len, 642bdcd8170SKalle Valo u8 assoc_req_len, u8 assoc_resp_len, 643bdcd8170SKalle Valo u8 *assoc_info) 644bdcd8170SKalle Valo { 645240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 64659c98449SVasanthakumar Thiagarajan 647240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_connect_event(vif, channel, bssid, 648bdcd8170SKalle Valo listen_int, beacon_int, 649bdcd8170SKalle Valo net_type, beacon_ie_len, 650bdcd8170SKalle Valo assoc_req_len, assoc_resp_len, 651bdcd8170SKalle Valo assoc_info); 652bdcd8170SKalle Valo 6538c8b65e3SVasanthakumar Thiagarajan memcpy(vif->bssid, bssid, sizeof(vif->bssid)); 654f74bac54SVasanthakumar Thiagarajan vif->bss_ch = channel; 655bdcd8170SKalle Valo 656c4f7863eSThomas Pedersen if ((vif->nw_type == INFRA_NETWORK)) { 657334234b5SVasanthakumar Thiagarajan ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 6588f46fccdSRaja Mani vif->listen_intvl_t, 0); 659c4f7863eSThomas Pedersen ath6kl_check_ch_switch(ar, channel); 660c4f7863eSThomas Pedersen } 661bdcd8170SKalle Valo 662240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 663bdcd8170SKalle Valo 664bdcd8170SKalle Valo /* Update connect & link status atomically */ 665478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 66659c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 66759c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 668240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 669478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 670bdcd8170SKalle Valo 6711d2a4456SVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt->aggr_conn); 672cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 673bdcd8170SKalle Valo 674f5938f24SVasanthakumar Thiagarajan if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) { 675bdcd8170SKalle Valo memset(ar->node_map, 0, sizeof(ar->node_map)); 676bdcd8170SKalle Valo ar->node_num = 0; 677bdcd8170SKalle Valo ar->next_ep_id = ENDPOINT_2; 678bdcd8170SKalle Valo } 679bdcd8170SKalle Valo 680551185caSJouni Malinen if (!ar->usr_bss_filter) { 68159c98449SVasanthakumar Thiagarajan set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 682240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 683240d2799SVasanthakumar Thiagarajan CURRENT_BSS_FILTER, 0); 684551185caSJouni Malinen } 685bdcd8170SKalle Valo } 686bdcd8170SKalle Valo 687240d2799SVasanthakumar Thiagarajan void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast) 688bdcd8170SKalle Valo { 689bdcd8170SKalle Valo struct ath6kl_sta *sta; 690240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 691bdcd8170SKalle Valo u8 tsc[6]; 692240d2799SVasanthakumar Thiagarajan 693bdcd8170SKalle Valo /* 694bdcd8170SKalle Valo * For AP case, keyid will have aid of STA which sent pkt with 695bdcd8170SKalle Valo * MIC error. Use this aid to get MAC & send it to hostapd. 696bdcd8170SKalle Valo */ 697f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 698bdcd8170SKalle Valo sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2)); 699bdcd8170SKalle Valo if (!sta) 700bdcd8170SKalle Valo return; 701bdcd8170SKalle Valo 702bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 703bdcd8170SKalle Valo "ap tkip mic error received from aid=%d\n", keyid); 704bdcd8170SKalle Valo 705bdcd8170SKalle Valo memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */ 706240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, sta->mac, 707bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE, keyid, 708bdcd8170SKalle Valo tsc, GFP_KERNEL); 709bdcd8170SKalle Valo } else 710240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast); 711bdcd8170SKalle Valo 712bdcd8170SKalle Valo } 713bdcd8170SKalle Valo 714240d2799SVasanthakumar Thiagarajan static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len) 715bdcd8170SKalle Valo { 716bdcd8170SKalle Valo struct wmi_target_stats *tgt_stats = 717bdcd8170SKalle Valo (struct wmi_target_stats *) ptr; 718240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 719b95907a7SVasanthakumar Thiagarajan struct target_stats *stats = &vif->target_stats; 720bdcd8170SKalle Valo struct tkip_ccmp_stats *ccmp_stats; 721bdcd8170SKalle Valo u8 ac; 722bdcd8170SKalle Valo 723bdcd8170SKalle Valo if (len < sizeof(*tgt_stats)) 724bdcd8170SKalle Valo return; 725bdcd8170SKalle Valo 726bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n"); 727bdcd8170SKalle Valo 728bdcd8170SKalle Valo stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt); 729bdcd8170SKalle Valo stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte); 730bdcd8170SKalle Valo stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt); 731bdcd8170SKalle Valo stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte); 732bdcd8170SKalle Valo stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt); 733bdcd8170SKalle Valo stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte); 734bdcd8170SKalle Valo stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt); 735bdcd8170SKalle Valo stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte); 736bdcd8170SKalle Valo stats->tx_rts_success_cnt += 737bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt); 738bdcd8170SKalle Valo 739bdcd8170SKalle Valo for (ac = 0; ac < WMM_NUM_AC; ac++) 740bdcd8170SKalle Valo stats->tx_pkt_per_ac[ac] += 741bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]); 742bdcd8170SKalle Valo 743bdcd8170SKalle Valo stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err); 744bdcd8170SKalle Valo stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt); 745bdcd8170SKalle Valo stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt); 746bdcd8170SKalle Valo stats->tx_mult_retry_cnt += 747bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt); 748bdcd8170SKalle Valo stats->tx_rts_fail_cnt += 749bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt); 750bdcd8170SKalle Valo stats->tx_ucast_rate = 751bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate)); 752bdcd8170SKalle Valo 753bdcd8170SKalle Valo stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt); 754bdcd8170SKalle Valo stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte); 755bdcd8170SKalle Valo stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt); 756bdcd8170SKalle Valo stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte); 757bdcd8170SKalle Valo stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt); 758bdcd8170SKalle Valo stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte); 759bdcd8170SKalle Valo stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt); 760bdcd8170SKalle Valo stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte); 761bdcd8170SKalle Valo stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt); 762bdcd8170SKalle Valo stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err); 763bdcd8170SKalle Valo stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err); 764bdcd8170SKalle Valo stats->rx_key_cache_miss += 765bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.rx.key_cache_miss); 766bdcd8170SKalle Valo stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err); 767bdcd8170SKalle Valo stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame); 768bdcd8170SKalle Valo stats->rx_ucast_rate = 769bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate)); 770bdcd8170SKalle Valo 771bdcd8170SKalle Valo ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats; 772bdcd8170SKalle Valo 773bdcd8170SKalle Valo stats->tkip_local_mic_fail += 774bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_local_mic_fail); 775bdcd8170SKalle Valo stats->tkip_cnter_measures_invoked += 776bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked); 777bdcd8170SKalle Valo stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err); 778bdcd8170SKalle Valo 779bdcd8170SKalle Valo stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err); 780bdcd8170SKalle Valo stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays); 781bdcd8170SKalle Valo 782bdcd8170SKalle Valo stats->pwr_save_fail_cnt += 783bdcd8170SKalle Valo le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt); 784bdcd8170SKalle Valo stats->noise_floor_calib = 785bdcd8170SKalle Valo a_sle32_to_cpu(tgt_stats->noise_floor_calib); 786bdcd8170SKalle Valo 787bdcd8170SKalle Valo stats->cs_bmiss_cnt += 788bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt); 789bdcd8170SKalle Valo stats->cs_low_rssi_cnt += 790bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt); 791bdcd8170SKalle Valo stats->cs_connect_cnt += 792bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt); 793bdcd8170SKalle Valo stats->cs_discon_cnt += 794bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt); 795bdcd8170SKalle Valo 796bdcd8170SKalle Valo stats->cs_ave_beacon_rssi = 797bdcd8170SKalle Valo a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi); 798bdcd8170SKalle Valo 799bdcd8170SKalle Valo stats->cs_last_roam_msec = 800bdcd8170SKalle Valo tgt_stats->cserv_stats.cs_last_roam_msec; 801bdcd8170SKalle Valo stats->cs_snr = tgt_stats->cserv_stats.cs_snr; 802bdcd8170SKalle Valo stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi); 803bdcd8170SKalle Valo 804bdcd8170SKalle Valo stats->lq_val = le32_to_cpu(tgt_stats->lq_val); 805bdcd8170SKalle Valo 806bdcd8170SKalle Valo stats->wow_pkt_dropped += 807bdcd8170SKalle Valo le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped); 808bdcd8170SKalle Valo stats->wow_host_pkt_wakeups += 809bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_pkt_wakeups; 810bdcd8170SKalle Valo stats->wow_host_evt_wakeups += 811bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_evt_wakeups; 812bdcd8170SKalle Valo stats->wow_evt_discarded += 813bdcd8170SKalle Valo le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded); 814bdcd8170SKalle Valo 815f0446ea9SRaja Mani stats->arp_received = le32_to_cpu(tgt_stats->arp_stats.arp_received); 816f0446ea9SRaja Mani stats->arp_replied = le32_to_cpu(tgt_stats->arp_stats.arp_replied); 817f0446ea9SRaja Mani stats->arp_matched = le32_to_cpu(tgt_stats->arp_stats.arp_matched); 818f0446ea9SRaja Mani 819b95907a7SVasanthakumar Thiagarajan if (test_bit(STATS_UPDATE_PEND, &vif->flags)) { 820b95907a7SVasanthakumar Thiagarajan clear_bit(STATS_UPDATE_PEND, &vif->flags); 821bdcd8170SKalle Valo wake_up(&ar->event_wq); 822bdcd8170SKalle Valo } 823bdcd8170SKalle Valo } 824bdcd8170SKalle Valo 825bdcd8170SKalle Valo static void ath6kl_add_le32(__le32 *var, __le32 val) 826bdcd8170SKalle Valo { 827bdcd8170SKalle Valo *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val)); 828bdcd8170SKalle Valo } 829bdcd8170SKalle Valo 830240d2799SVasanthakumar Thiagarajan void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len) 831bdcd8170SKalle Valo { 832bdcd8170SKalle Valo struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr; 833240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 834bdcd8170SKalle Valo struct wmi_ap_mode_stat *ap = &ar->ap_stats; 835bdcd8170SKalle Valo struct wmi_per_sta_stat *st_ap, *st_p; 836bdcd8170SKalle Valo u8 ac; 837bdcd8170SKalle Valo 838f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 839bdcd8170SKalle Valo if (len < sizeof(*p)) 840bdcd8170SKalle Valo return; 841bdcd8170SKalle Valo 842bdcd8170SKalle Valo for (ac = 0; ac < AP_MAX_NUM_STA; ac++) { 843bdcd8170SKalle Valo st_ap = &ap->sta[ac]; 844bdcd8170SKalle Valo st_p = &p->sta[ac]; 845bdcd8170SKalle Valo 846bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes); 847bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts); 848bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error); 849bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard); 850bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes); 851bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts); 852bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error); 853bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard); 854bdcd8170SKalle Valo } 855bdcd8170SKalle Valo 856bdcd8170SKalle Valo } else { 857240d2799SVasanthakumar Thiagarajan ath6kl_update_target_stats(vif, ptr, len); 858bdcd8170SKalle Valo } 859bdcd8170SKalle Valo } 860bdcd8170SKalle Valo 861bdcd8170SKalle Valo void ath6kl_wakeup_event(void *dev) 862bdcd8170SKalle Valo { 863bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) dev; 864bdcd8170SKalle Valo 865bdcd8170SKalle Valo wake_up(&ar->event_wq); 866bdcd8170SKalle Valo } 867bdcd8170SKalle Valo 868bdcd8170SKalle Valo void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr) 869bdcd8170SKalle Valo { 870bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) devt; 871bdcd8170SKalle Valo 872bdcd8170SKalle Valo ar->tx_pwr = tx_pwr; 873bdcd8170SKalle Valo wake_up(&ar->event_wq); 874bdcd8170SKalle Valo } 875bdcd8170SKalle Valo 876240d2799SVasanthakumar Thiagarajan void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid) 877bdcd8170SKalle Valo { 878bdcd8170SKalle Valo struct ath6kl_sta *conn; 879bdcd8170SKalle Valo struct sk_buff *skb; 880bdcd8170SKalle Valo bool psq_empty = false; 881240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 882d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 883bdcd8170SKalle Valo 884bdcd8170SKalle Valo conn = ath6kl_find_sta_by_aid(ar, aid); 885bdcd8170SKalle Valo 886bdcd8170SKalle Valo if (!conn) 887bdcd8170SKalle Valo return; 888bdcd8170SKalle Valo /* 889bdcd8170SKalle Valo * Send out a packet queued on ps queue. When the ps queue 890bdcd8170SKalle Valo * becomes empty update the PVB for this station. 891bdcd8170SKalle Valo */ 892bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 893d0ff7383SNaveen Gangadharan psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0); 894bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 895bdcd8170SKalle Valo 896bdcd8170SKalle Valo if (psq_empty) 897bdcd8170SKalle Valo /* TODO: Send out a NULL data frame */ 898bdcd8170SKalle Valo return; 899bdcd8170SKalle Valo 900bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 901d0ff7383SNaveen Gangadharan if (conn->mgmt_psq_len > 0) { 902d0ff7383SNaveen Gangadharan mgmt_buf = list_first_entry(&conn->mgmt_psq, 903d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff, list); 904d0ff7383SNaveen Gangadharan list_del(&mgmt_buf->list); 905d0ff7383SNaveen Gangadharan conn->mgmt_psq_len--; 906d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 907d0ff7383SNaveen Gangadharan 908d0ff7383SNaveen Gangadharan conn->sta_flags |= STA_PS_POLLED; 909d0ff7383SNaveen Gangadharan ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, 910d0ff7383SNaveen Gangadharan mgmt_buf->id, mgmt_buf->freq, 911d0ff7383SNaveen Gangadharan mgmt_buf->wait, mgmt_buf->buf, 912d0ff7383SNaveen Gangadharan mgmt_buf->len, mgmt_buf->no_cck); 913d0ff7383SNaveen Gangadharan conn->sta_flags &= ~STA_PS_POLLED; 914d0ff7383SNaveen Gangadharan kfree(mgmt_buf); 915d0ff7383SNaveen Gangadharan } else { 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; 922d0ff7383SNaveen Gangadharan } 923bdcd8170SKalle Valo 924bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 925d0ff7383SNaveen Gangadharan psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0); 926bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 927bdcd8170SKalle Valo 928bdcd8170SKalle Valo if (psq_empty) 929334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0); 930bdcd8170SKalle Valo } 931bdcd8170SKalle Valo 932240d2799SVasanthakumar Thiagarajan void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif) 933bdcd8170SKalle Valo { 934bdcd8170SKalle Valo bool mcastq_empty = false; 935bdcd8170SKalle Valo struct sk_buff *skb; 936240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 937bdcd8170SKalle Valo 938bdcd8170SKalle Valo /* 939bdcd8170SKalle Valo * If there are no associated STAs, ignore the DTIM expiry event. 940bdcd8170SKalle Valo * There can be potential race conditions where the last associated 941bdcd8170SKalle Valo * STA may disconnect & before the host could clear the 'Indicate 942bdcd8170SKalle Valo * DTIM' request to the firmware, the firmware would have just 943bdcd8170SKalle Valo * indicated a DTIM expiry event. The race is between 'clear DTIM 944bdcd8170SKalle Valo * expiry cmd' going from the host to the firmware & the DTIM 945bdcd8170SKalle Valo * expiry event happening from the firmware to the host. 946bdcd8170SKalle Valo */ 947bdcd8170SKalle Valo if (!ar->sta_list_index) 948bdcd8170SKalle Valo return; 949bdcd8170SKalle Valo 950bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 951bdcd8170SKalle Valo mcastq_empty = skb_queue_empty(&ar->mcastpsq); 952bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 953bdcd8170SKalle Valo 954bdcd8170SKalle Valo if (mcastq_empty) 955bdcd8170SKalle Valo return; 956bdcd8170SKalle Valo 957bdcd8170SKalle Valo /* set the STA flag to dtim_expired for the frame to go out */ 95859c98449SVasanthakumar Thiagarajan set_bit(DTIM_EXPIRED, &vif->flags); 959bdcd8170SKalle Valo 960bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 961bdcd8170SKalle Valo while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) { 962bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 963bdcd8170SKalle Valo 964240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 965bdcd8170SKalle Valo 966bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 967bdcd8170SKalle Valo } 968bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 969bdcd8170SKalle Valo 97059c98449SVasanthakumar Thiagarajan clear_bit(DTIM_EXPIRED, &vif->flags); 971bdcd8170SKalle Valo 972bdcd8170SKalle Valo /* clear the LSB of the BitMapCtl field of the TIM IE */ 973334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0); 974bdcd8170SKalle Valo } 975bdcd8170SKalle Valo 976240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid, 977bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info, 978bdcd8170SKalle Valo u16 prot_reason_status) 979bdcd8170SKalle Valo { 980240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 98159c98449SVasanthakumar Thiagarajan 982f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 983c4f7863eSThomas Pedersen /* disconnect due to other STA vif switching channels */ 984c4f7863eSThomas Pedersen if (reason == BSS_DISCONNECTED && 985c4f7863eSThomas Pedersen prot_reason_status == WMI_AP_REASON_STA_ROAM) 986c4f7863eSThomas Pedersen ar->want_ch_switch |= 1 << vif->fw_vif_idx; 987c4f7863eSThomas Pedersen 988bdcd8170SKalle Valo if (!ath6kl_remove_sta(ar, bssid, prot_reason_status)) 989bdcd8170SKalle Valo return; 990bdcd8170SKalle Valo 991bdcd8170SKalle Valo /* if no more associated STAs, empty the mcast PS q */ 992bdcd8170SKalle Valo if (ar->sta_list_index == 0) { 993bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 994bdcd8170SKalle Valo skb_queue_purge(&ar->mcastpsq); 995bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 996bdcd8170SKalle Valo 997bdcd8170SKalle Valo /* clear the LSB of the TIM IE's BitMapCtl field */ 998bdcd8170SKalle Valo if (test_bit(WMI_READY, &ar->flag)) 999334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 1000334234b5SVasanthakumar Thiagarajan MCAST_AID, 0); 1001bdcd8170SKalle Valo } 1002bdcd8170SKalle Valo 1003bdcd8170SKalle Valo if (!is_broadcast_ether_addr(bssid)) { 1004bdcd8170SKalle Valo /* send event to application */ 1005240d2799SVasanthakumar Thiagarajan cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL); 1006bdcd8170SKalle Valo } 1007bdcd8170SKalle Valo 1008240d2799SVasanthakumar Thiagarajan if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) { 10096f2a73f9SVasanthakumar Thiagarajan memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); 101059c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 1011151411e8SJouni Malinen } 1012bdcd8170SKalle Valo return; 1013bdcd8170SKalle Valo } 1014bdcd8170SKalle Valo 1015240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_disconnect_event(vif, reason, bssid, 1016bdcd8170SKalle Valo assoc_resp_len, assoc_info, 1017bdcd8170SKalle Valo prot_reason_status); 1018bdcd8170SKalle Valo 10191d2a4456SVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt->aggr_conn); 1020bdcd8170SKalle Valo 1021de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1022bdcd8170SKalle Valo 1023d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason); 1024bdcd8170SKalle Valo 1025bdcd8170SKalle Valo /* 1026bdcd8170SKalle Valo * If the event is due to disconnect cmd from the host, only they 1027bdcd8170SKalle Valo * the target would stop trying to connect. Under any other 1028bdcd8170SKalle Valo * condition, target would keep trying to connect. 1029bdcd8170SKalle Valo */ 1030bdcd8170SKalle Valo if (reason == DISCONNECT_CMD) { 1031bdcd8170SKalle Valo if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag)) 1032240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1033240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 1034bdcd8170SKalle Valo } else { 103559c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1036bdcd8170SKalle Valo if (((reason == ASSOC_FAILED) && 1037bdcd8170SKalle Valo (prot_reason_status == 0x11)) || 1038ddc3d77cSKalle Valo ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) && 1039ddc3d77cSKalle Valo (vif->reconnect_flag == 1))) { 104059c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 1041bdcd8170SKalle Valo return; 1042bdcd8170SKalle Valo } 1043bdcd8170SKalle Valo } 1044bdcd8170SKalle Valo 1045bdcd8170SKalle Valo /* update connect & link status atomically */ 1046478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 104759c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 1048240d2799SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 1049478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 1050bdcd8170SKalle Valo 1051cf5333d7SVasanthakumar Thiagarajan if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1)) 1052cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 1053bdcd8170SKalle Valo 1054bdcd8170SKalle Valo if (reason != CSERV_DISCONNECT) 1055bdcd8170SKalle Valo ar->user_key_ctrl = 0; 1056bdcd8170SKalle Valo 1057240d2799SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 10588c8b65e3SVasanthakumar Thiagarajan memset(vif->bssid, 0, sizeof(vif->bssid)); 1059f74bac54SVasanthakumar Thiagarajan vif->bss_ch = 0; 1060bdcd8170SKalle Valo 1061bdcd8170SKalle Valo ath6kl_tx_data_cleanup(ar); 1062bdcd8170SKalle Valo } 1063bdcd8170SKalle Valo 1064990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar) 1065990bd915SVasanthakumar Thiagarajan { 1066990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1067990bd915SVasanthakumar Thiagarajan 106811f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 1069990bd915SVasanthakumar Thiagarajan if (list_empty(&ar->vif_list)) { 107011f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 1071990bd915SVasanthakumar Thiagarajan return NULL; 1072990bd915SVasanthakumar Thiagarajan } 1073990bd915SVasanthakumar Thiagarajan 1074990bd915SVasanthakumar Thiagarajan vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list); 1075990bd915SVasanthakumar Thiagarajan 107611f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 1077990bd915SVasanthakumar Thiagarajan 1078990bd915SVasanthakumar Thiagarajan return vif; 1079990bd915SVasanthakumar Thiagarajan } 1080990bd915SVasanthakumar Thiagarajan 1081bdcd8170SKalle Valo static int ath6kl_open(struct net_device *dev) 1082bdcd8170SKalle Valo { 108359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1084bdcd8170SKalle Valo 108559c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 1086bdcd8170SKalle Valo 108759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1088bdcd8170SKalle Valo netif_carrier_on(dev); 1089bdcd8170SKalle Valo netif_wake_queue(dev); 1090bdcd8170SKalle Valo } else 1091bdcd8170SKalle Valo netif_carrier_off(dev); 1092bdcd8170SKalle Valo 1093bdcd8170SKalle Valo return 0; 1094bdcd8170SKalle Valo } 1095bdcd8170SKalle Valo 1096bdcd8170SKalle Valo static int ath6kl_close(struct net_device *dev) 1097bdcd8170SKalle Valo { 109859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1099bdcd8170SKalle Valo 1100bdcd8170SKalle Valo netif_stop_queue(dev); 1101bdcd8170SKalle Valo 11027125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 1103bdcd8170SKalle Valo 110468469341SKalle Valo clear_bit(WLAN_ENABLED, &vif->flags); 110568469341SKalle Valo 1106bdcd8170SKalle Valo return 0; 1107bdcd8170SKalle Valo } 1108bdcd8170SKalle Valo 1109bdcd8170SKalle Valo static struct net_device_stats *ath6kl_get_stats(struct net_device *dev) 1110bdcd8170SKalle Valo { 1111b95907a7SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1112bdcd8170SKalle Valo 1113b95907a7SVasanthakumar Thiagarajan return &vif->net_stats; 1114bdcd8170SKalle Valo } 1115bdcd8170SKalle Valo 1116d6f80261SKalle Valo static int ath6kl_set_features(struct net_device *dev, 1117d6f80261SKalle Valo netdev_features_t features) 1118bc48ad31SRishi Panjwani { 1119bc48ad31SRishi Panjwani struct ath6kl_vif *vif = netdev_priv(dev); 1120bc48ad31SRishi Panjwani struct ath6kl *ar = vif->ar; 1121bc48ad31SRishi Panjwani int err = 0; 1122bc48ad31SRishi Panjwani 1123bc48ad31SRishi Panjwani if ((features & NETIF_F_RXCSUM) && 1124bc48ad31SRishi Panjwani (ar->rx_meta_ver != WMI_META_VERSION_2)) { 1125bc48ad31SRishi Panjwani ar->rx_meta_ver = WMI_META_VERSION_2; 1126bc48ad31SRishi Panjwani err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, 1127bc48ad31SRishi Panjwani vif->fw_vif_idx, 1128bc48ad31SRishi Panjwani ar->rx_meta_ver, 0, 0); 1129bc48ad31SRishi Panjwani if (err) { 1130bc48ad31SRishi Panjwani dev->features = features & ~NETIF_F_RXCSUM; 1131bc48ad31SRishi Panjwani return err; 1132bc48ad31SRishi Panjwani } 1133bc48ad31SRishi Panjwani } else if (!(features & NETIF_F_RXCSUM) && 1134bc48ad31SRishi Panjwani (ar->rx_meta_ver == WMI_META_VERSION_2)) { 1135bc48ad31SRishi Panjwani ar->rx_meta_ver = 0; 1136bc48ad31SRishi Panjwani err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, 1137bc48ad31SRishi Panjwani vif->fw_vif_idx, 1138bc48ad31SRishi Panjwani ar->rx_meta_ver, 0, 0); 1139bc48ad31SRishi Panjwani if (err) { 1140bc48ad31SRishi Panjwani dev->features = features | NETIF_F_RXCSUM; 1141bc48ad31SRishi Panjwani return err; 1142bc48ad31SRishi Panjwani } 1143bc48ad31SRishi Panjwani 1144bc48ad31SRishi Panjwani } 1145bc48ad31SRishi Panjwani 1146bc48ad31SRishi Panjwani return err; 1147bc48ad31SRishi Panjwani } 1148bc48ad31SRishi Panjwani 114980abaf9bSVasanthakumar Thiagarajan static void ath6kl_set_multicast_list(struct net_device *ndev) 115080abaf9bSVasanthakumar Thiagarajan { 115180abaf9bSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 11526251d801SNaveen Gangadharan bool mc_all_on = false; 115380abaf9bSVasanthakumar Thiagarajan int mc_count = netdev_mc_count(ndev); 115480abaf9bSVasanthakumar Thiagarajan struct netdev_hw_addr *ha; 115580abaf9bSVasanthakumar Thiagarajan bool found; 115680abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 115780abaf9bSVasanthakumar Thiagarajan struct list_head mc_filter_new; 115880abaf9bSVasanthakumar Thiagarajan int ret; 115980abaf9bSVasanthakumar Thiagarajan 116080abaf9bSVasanthakumar Thiagarajan if (!test_bit(WMI_READY, &vif->ar->flag) || 116180abaf9bSVasanthakumar Thiagarajan !test_bit(WLAN_ENABLED, &vif->flags)) 116280abaf9bSVasanthakumar Thiagarajan return; 116380abaf9bSVasanthakumar Thiagarajan 11646251d801SNaveen Gangadharan /* Enable multicast-all filter. */ 116580abaf9bSVasanthakumar Thiagarajan mc_all_on = !!(ndev->flags & IFF_PROMISC) || 116680abaf9bSVasanthakumar Thiagarajan !!(ndev->flags & IFF_ALLMULTI) || 116780abaf9bSVasanthakumar Thiagarajan !!(mc_count > ATH6K_MAX_MC_FILTERS_PER_LIST); 116880abaf9bSVasanthakumar Thiagarajan 11696251d801SNaveen Gangadharan if (mc_all_on) 11706251d801SNaveen Gangadharan set_bit(NETDEV_MCAST_ALL_ON, &vif->flags); 11716251d801SNaveen Gangadharan else 11726251d801SNaveen Gangadharan clear_bit(NETDEV_MCAST_ALL_ON, &vif->flags); 117380abaf9bSVasanthakumar Thiagarajan 11746821d4f0SNaveen Gangadharan if (test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 11756821d4f0SNaveen Gangadharan vif->ar->fw_capabilities)) { 11766251d801SNaveen Gangadharan mc_all_on = mc_all_on || (vif->ar->state == ATH6KL_STATE_ON); 11776821d4f0SNaveen Gangadharan } 11786251d801SNaveen Gangadharan 11796251d801SNaveen Gangadharan if (!(ndev->flags & IFF_MULTICAST)) { 11806251d801SNaveen Gangadharan mc_all_on = false; 11816251d801SNaveen Gangadharan set_bit(NETDEV_MCAST_ALL_OFF, &vif->flags); 11826251d801SNaveen Gangadharan } else { 11836251d801SNaveen Gangadharan clear_bit(NETDEV_MCAST_ALL_OFF, &vif->flags); 11846251d801SNaveen Gangadharan } 11856251d801SNaveen Gangadharan 11866251d801SNaveen Gangadharan /* Enable/disable "multicast-all" filter*/ 11876251d801SNaveen Gangadharan ath6kl_dbg(ATH6KL_DBG_TRC, "%s multicast-all filter\n", 118880abaf9bSVasanthakumar Thiagarajan mc_all_on ? "enabling" : "disabling"); 11896251d801SNaveen Gangadharan 119080abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, vif->fw_vif_idx, 119180abaf9bSVasanthakumar Thiagarajan mc_all_on); 11926251d801SNaveen Gangadharan if (ret) { 11936251d801SNaveen Gangadharan ath6kl_warn("Failed to %s multicast-all receive\n", 119480abaf9bSVasanthakumar Thiagarajan mc_all_on ? "enable" : "disable"); 119580abaf9bSVasanthakumar Thiagarajan return; 119680abaf9bSVasanthakumar Thiagarajan } 119780abaf9bSVasanthakumar Thiagarajan 11986251d801SNaveen Gangadharan if (test_bit(NETDEV_MCAST_ALL_ON, &vif->flags)) 11996251d801SNaveen Gangadharan return; 12006251d801SNaveen Gangadharan 12016251d801SNaveen Gangadharan /* Keep the driver and firmware mcast list in sync. */ 120280abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 120380abaf9bSVasanthakumar Thiagarajan found = false; 120480abaf9bSVasanthakumar Thiagarajan netdev_for_each_mc_addr(ha, ndev) { 120580abaf9bSVasanthakumar Thiagarajan if (memcmp(ha->addr, mc_filter->hw_addr, 120680abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { 120780abaf9bSVasanthakumar Thiagarajan found = true; 120880abaf9bSVasanthakumar Thiagarajan break; 120980abaf9bSVasanthakumar Thiagarajan } 121080abaf9bSVasanthakumar Thiagarajan } 121180abaf9bSVasanthakumar Thiagarajan 121280abaf9bSVasanthakumar Thiagarajan if (!found) { 121380abaf9bSVasanthakumar Thiagarajan /* 121480abaf9bSVasanthakumar Thiagarajan * Delete the filter which was previously set 121580abaf9bSVasanthakumar Thiagarajan * but not in the new request. 121680abaf9bSVasanthakumar Thiagarajan */ 121780abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC, 121880abaf9bSVasanthakumar Thiagarajan "Removing %pM from multicast filter\n", 121980abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 122080abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, 122180abaf9bSVasanthakumar Thiagarajan vif->fw_vif_idx, mc_filter->hw_addr, 122280abaf9bSVasanthakumar Thiagarajan false); 122380abaf9bSVasanthakumar Thiagarajan if (ret) { 122480abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to remove multicast filter:%pM\n", 122580abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 122680abaf9bSVasanthakumar Thiagarajan return; 122780abaf9bSVasanthakumar Thiagarajan } 122880abaf9bSVasanthakumar Thiagarajan 122980abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 123080abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 123180abaf9bSVasanthakumar Thiagarajan } 123280abaf9bSVasanthakumar Thiagarajan } 123380abaf9bSVasanthakumar Thiagarajan 123480abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&mc_filter_new); 123580abaf9bSVasanthakumar Thiagarajan 123680abaf9bSVasanthakumar Thiagarajan netdev_for_each_mc_addr(ha, ndev) { 123780abaf9bSVasanthakumar Thiagarajan found = false; 123880abaf9bSVasanthakumar Thiagarajan list_for_each_entry(mc_filter, &vif->mc_filter, list) { 123980abaf9bSVasanthakumar Thiagarajan if (memcmp(ha->addr, mc_filter->hw_addr, 124080abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { 124180abaf9bSVasanthakumar Thiagarajan found = true; 124280abaf9bSVasanthakumar Thiagarajan break; 124380abaf9bSVasanthakumar Thiagarajan } 124480abaf9bSVasanthakumar Thiagarajan } 124580abaf9bSVasanthakumar Thiagarajan 124680abaf9bSVasanthakumar Thiagarajan if (!found) { 124780abaf9bSVasanthakumar Thiagarajan mc_filter = kzalloc(sizeof(struct ath6kl_mc_filter), 124880abaf9bSVasanthakumar Thiagarajan GFP_ATOMIC); 124980abaf9bSVasanthakumar Thiagarajan if (!mc_filter) { 125080abaf9bSVasanthakumar Thiagarajan WARN_ON(1); 125180abaf9bSVasanthakumar Thiagarajan goto out; 125280abaf9bSVasanthakumar Thiagarajan } 125380abaf9bSVasanthakumar Thiagarajan 125480abaf9bSVasanthakumar Thiagarajan memcpy(mc_filter->hw_addr, ha->addr, 125580abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE); 125680abaf9bSVasanthakumar Thiagarajan /* Set the multicast filter */ 125780abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC, 125880abaf9bSVasanthakumar Thiagarajan "Adding %pM to multicast filter list\n", 125980abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 126080abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, 126180abaf9bSVasanthakumar Thiagarajan vif->fw_vif_idx, mc_filter->hw_addr, 126280abaf9bSVasanthakumar Thiagarajan true); 126380abaf9bSVasanthakumar Thiagarajan if (ret) { 126480abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to add multicast filter :%pM\n", 126580abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 126680abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 126780abaf9bSVasanthakumar Thiagarajan goto out; 126880abaf9bSVasanthakumar Thiagarajan } 126980abaf9bSVasanthakumar Thiagarajan 127080abaf9bSVasanthakumar Thiagarajan list_add_tail(&mc_filter->list, &mc_filter_new); 127180abaf9bSVasanthakumar Thiagarajan } 127280abaf9bSVasanthakumar Thiagarajan } 127380abaf9bSVasanthakumar Thiagarajan 127480abaf9bSVasanthakumar Thiagarajan out: 127580abaf9bSVasanthakumar Thiagarajan list_splice_tail(&mc_filter_new, &vif->mc_filter); 127680abaf9bSVasanthakumar Thiagarajan } 127780abaf9bSVasanthakumar Thiagarajan 12784269a930SStephen Hemminger static const struct net_device_ops ath6kl_netdev_ops = { 1279bdcd8170SKalle Valo .ndo_open = ath6kl_open, 1280bdcd8170SKalle Valo .ndo_stop = ath6kl_close, 1281bdcd8170SKalle Valo .ndo_start_xmit = ath6kl_data_tx, 1282bdcd8170SKalle Valo .ndo_get_stats = ath6kl_get_stats, 1283bc48ad31SRishi Panjwani .ndo_set_features = ath6kl_set_features, 128480abaf9bSVasanthakumar Thiagarajan .ndo_set_rx_mode = ath6kl_set_multicast_list, 1285bdcd8170SKalle Valo }; 1286bdcd8170SKalle Valo 1287bdcd8170SKalle Valo void init_netdev(struct net_device *dev) 1288bdcd8170SKalle Valo { 1289bdcd8170SKalle Valo dev->netdev_ops = &ath6kl_netdev_ops; 129027929723SVasanthakumar Thiagarajan dev->destructor = free_netdev; 1291bdcd8170SKalle Valo dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; 1292bdcd8170SKalle Valo 1293bdcd8170SKalle Valo dev->needed_headroom = ETH_HLEN; 1294bdcd8170SKalle Valo dev->needed_headroom += sizeof(struct ath6kl_llc_snap_hdr) + 1295bdcd8170SKalle Valo sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH 12961df94a85SVasanthakumar Thiagarajan + WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES; 1297bdcd8170SKalle Valo 12984705b703SVasanthakumar Thiagarajan dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; 12994705b703SVasanthakumar Thiagarajan 1300bdcd8170SKalle Valo return; 1301bdcd8170SKalle Valo } 1302