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 329d0e2f07SMohammed Shafi Shajakhan if (is_zero_ether_addr(node_addr)) 339d0e2f07SMohammed Shafi Shajakhan return NULL; 349d0e2f07SMohammed Shafi Shajakhan 35f5938f24SVasanthakumar Thiagarajan max_conn = (vif->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0; 36bdcd8170SKalle Valo 37bdcd8170SKalle Valo for (i = 0; i < max_conn; i++) { 38bdcd8170SKalle Valo if (memcmp(node_addr, ar->sta_list[i].mac, ETH_ALEN) == 0) { 39bdcd8170SKalle Valo conn = &ar->sta_list[i]; 40bdcd8170SKalle Valo break; 41bdcd8170SKalle Valo } 42bdcd8170SKalle Valo } 43bdcd8170SKalle Valo 44bdcd8170SKalle Valo return conn; 45bdcd8170SKalle Valo } 46bdcd8170SKalle Valo 47bdcd8170SKalle Valo struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid) 48bdcd8170SKalle Valo { 49bdcd8170SKalle Valo struct ath6kl_sta *conn = NULL; 50bdcd8170SKalle Valo u8 ctr; 51bdcd8170SKalle Valo 52bdcd8170SKalle Valo for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { 53bdcd8170SKalle Valo if (ar->sta_list[ctr].aid == aid) { 54bdcd8170SKalle Valo conn = &ar->sta_list[ctr]; 55bdcd8170SKalle Valo break; 56bdcd8170SKalle Valo } 57bdcd8170SKalle Valo } 58bdcd8170SKalle Valo return conn; 59bdcd8170SKalle Valo } 60bdcd8170SKalle Valo 6117741c8dSVasanthakumar Thiagarajan static void ath6kl_add_new_sta(struct ath6kl_vif *vif, u8 *mac, u16 aid, 6217741c8dSVasanthakumar Thiagarajan u8 *wpaie, size_t ielen, u8 keymgmt, 6317741c8dSVasanthakumar Thiagarajan u8 ucipher, u8 auth, u8 apsd_info) 64bdcd8170SKalle Valo { 6517741c8dSVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 66bdcd8170SKalle Valo struct ath6kl_sta *sta; 67bdcd8170SKalle Valo u8 free_slot; 68bdcd8170SKalle Valo 69bdcd8170SKalle Valo free_slot = aid - 1; 70bdcd8170SKalle Valo 71bdcd8170SKalle Valo sta = &ar->sta_list[free_slot]; 72bdcd8170SKalle Valo memcpy(sta->mac, mac, ETH_ALEN); 733c774bbaSJouni Malinen if (ielen <= ATH6KL_MAX_IE) 74bdcd8170SKalle Valo memcpy(sta->wpa_ie, wpaie, ielen); 75bdcd8170SKalle Valo sta->aid = aid; 76bdcd8170SKalle Valo sta->keymgmt = keymgmt; 77bdcd8170SKalle Valo sta->ucipher = ucipher; 78bdcd8170SKalle Valo sta->auth = auth; 79c1762a3fSThirumalai Pachamuthu sta->apsd_info = apsd_info; 80bdcd8170SKalle Valo 81bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index | (1 << free_slot); 82bdcd8170SKalle Valo ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid); 83c8651541SVasanthakumar Thiagarajan aggr_conn_init(vif, vif->aggr_cntxt, sta->aggr_conn); 84bdcd8170SKalle Valo } 85bdcd8170SKalle Valo 86bdcd8170SKalle Valo static void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i) 87bdcd8170SKalle Valo { 88bdcd8170SKalle Valo struct ath6kl_sta *sta = &ar->sta_list[i]; 89d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *entry, *tmp; 90bdcd8170SKalle Valo 91bdcd8170SKalle Valo /* empty the queued pkts in the PS queue if any */ 92bdcd8170SKalle Valo spin_lock_bh(&sta->psq_lock); 93bdcd8170SKalle Valo skb_queue_purge(&sta->psq); 94c1762a3fSThirumalai Pachamuthu skb_queue_purge(&sta->apsdq); 95d0ff7383SNaveen Gangadharan 96d0ff7383SNaveen Gangadharan if (sta->mgmt_psq_len != 0) { 97d0ff7383SNaveen Gangadharan list_for_each_entry_safe(entry, tmp, &sta->mgmt_psq, list) { 98d0ff7383SNaveen Gangadharan kfree(entry); 99d0ff7383SNaveen Gangadharan } 100d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&sta->mgmt_psq); 101d0ff7383SNaveen Gangadharan sta->mgmt_psq_len = 0; 102d0ff7383SNaveen Gangadharan } 103d0ff7383SNaveen Gangadharan 104bdcd8170SKalle Valo spin_unlock_bh(&sta->psq_lock); 105bdcd8170SKalle Valo 106bdcd8170SKalle Valo memset(&ar->ap_stats.sta[sta->aid - 1], 0, 107bdcd8170SKalle Valo sizeof(struct wmi_per_sta_stat)); 108bdcd8170SKalle Valo memset(sta->mac, 0, ETH_ALEN); 109bdcd8170SKalle Valo memset(sta->wpa_ie, 0, ATH6KL_MAX_IE); 110bdcd8170SKalle Valo sta->aid = 0; 111bdcd8170SKalle Valo sta->sta_flags = 0; 112bdcd8170SKalle Valo 113bdcd8170SKalle Valo ar->sta_list_index = ar->sta_list_index & ~(1 << i); 1141d2a4456SVasanthakumar Thiagarajan aggr_reset_state(sta->aggr_conn); 115bdcd8170SKalle Valo } 116bdcd8170SKalle Valo 117bdcd8170SKalle Valo static u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason) 118bdcd8170SKalle Valo { 119bdcd8170SKalle Valo u8 i, removed = 0; 120bdcd8170SKalle Valo 121bdcd8170SKalle Valo if (is_zero_ether_addr(mac)) 122bdcd8170SKalle Valo return removed; 123bdcd8170SKalle Valo 124bdcd8170SKalle Valo if (is_broadcast_ether_addr(mac)) { 125bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "deleting all station\n"); 126bdcd8170SKalle Valo 127bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 128bdcd8170SKalle Valo if (!is_zero_ether_addr(ar->sta_list[i].mac)) { 129bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 130bdcd8170SKalle Valo removed = 1; 131bdcd8170SKalle Valo } 132bdcd8170SKalle Valo } 133bdcd8170SKalle Valo } else { 134bdcd8170SKalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 135bdcd8170SKalle Valo if (memcmp(ar->sta_list[i].mac, mac, ETH_ALEN) == 0) { 136bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 137bdcd8170SKalle Valo "deleting station %pM aid=%d reason=%d\n", 138bdcd8170SKalle Valo mac, ar->sta_list[i].aid, reason); 139bdcd8170SKalle Valo ath6kl_sta_cleanup(ar, i); 140bdcd8170SKalle Valo removed = 1; 141bdcd8170SKalle Valo break; 142bdcd8170SKalle Valo } 143bdcd8170SKalle Valo } 144bdcd8170SKalle Valo } 145bdcd8170SKalle Valo 146bdcd8170SKalle Valo return removed; 147bdcd8170SKalle Valo } 148bdcd8170SKalle Valo 149bdcd8170SKalle Valo enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac) 150bdcd8170SKalle Valo { 151bdcd8170SKalle Valo struct ath6kl *ar = devt; 152bdcd8170SKalle Valo return ar->ac2ep_map[ac]; 153bdcd8170SKalle Valo } 154bdcd8170SKalle Valo 155bdcd8170SKalle Valo struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar) 156bdcd8170SKalle Valo { 157bdcd8170SKalle Valo struct ath6kl_cookie *cookie; 158bdcd8170SKalle Valo 159bdcd8170SKalle Valo cookie = ar->cookie_list; 160bdcd8170SKalle Valo if (cookie != NULL) { 161bdcd8170SKalle Valo ar->cookie_list = cookie->arc_list_next; 162bdcd8170SKalle Valo ar->cookie_count--; 163bdcd8170SKalle Valo } 164bdcd8170SKalle Valo 165bdcd8170SKalle Valo return cookie; 166bdcd8170SKalle Valo } 167bdcd8170SKalle Valo 168bdcd8170SKalle Valo void ath6kl_cookie_init(struct ath6kl *ar) 169bdcd8170SKalle Valo { 170bdcd8170SKalle Valo u32 i; 171bdcd8170SKalle Valo 172bdcd8170SKalle Valo ar->cookie_list = NULL; 173bdcd8170SKalle Valo ar->cookie_count = 0; 174bdcd8170SKalle Valo 175bdcd8170SKalle Valo memset(ar->cookie_mem, 0, sizeof(ar->cookie_mem)); 176bdcd8170SKalle Valo 177bdcd8170SKalle Valo for (i = 0; i < MAX_COOKIE_NUM; i++) 178bdcd8170SKalle Valo ath6kl_free_cookie(ar, &ar->cookie_mem[i]); 179bdcd8170SKalle Valo } 180bdcd8170SKalle Valo 181bdcd8170SKalle Valo void ath6kl_cookie_cleanup(struct ath6kl *ar) 182bdcd8170SKalle Valo { 183bdcd8170SKalle Valo ar->cookie_list = NULL; 184bdcd8170SKalle Valo ar->cookie_count = 0; 185bdcd8170SKalle Valo } 186bdcd8170SKalle Valo 187bdcd8170SKalle Valo void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie) 188bdcd8170SKalle Valo { 189bdcd8170SKalle Valo /* Insert first */ 190bdcd8170SKalle Valo 191bdcd8170SKalle Valo if (!ar || !cookie) 192bdcd8170SKalle Valo return; 193bdcd8170SKalle Valo 194bdcd8170SKalle Valo cookie->arc_list_next = ar->cookie_list; 195bdcd8170SKalle Valo ar->cookie_list = cookie; 196bdcd8170SKalle Valo ar->cookie_count++; 197bdcd8170SKalle Valo } 198bdcd8170SKalle Valo 199bdcd8170SKalle Valo /* 200addb44beSKalle Valo * Read from the hardware through its diagnostic window. No cooperation 201addb44beSKalle Valo * from the firmware is required for this. 202bdcd8170SKalle Valo */ 203addb44beSKalle Valo int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value) 204bdcd8170SKalle Valo { 205addb44beSKalle Valo int ret; 206bdcd8170SKalle Valo 207c7111495SKalle Valo ret = ath6kl_hif_diag_read32(ar, address, value); 208addb44beSKalle Valo if (ret) { 209addb44beSKalle Valo ath6kl_warn("failed to read32 through diagnose window: %d\n", 210addb44beSKalle Valo ret); 211addb44beSKalle Valo return ret; 212bdcd8170SKalle Valo } 213bdcd8170SKalle Valo 214addb44beSKalle Valo return 0; 215bdcd8170SKalle Valo } 216bdcd8170SKalle Valo 217bdcd8170SKalle Valo /* 218bdcd8170SKalle Valo * Write to the ATH6KL through its diagnostic window. No cooperation from 219bdcd8170SKalle Valo * the Target is required for this. 220bdcd8170SKalle Valo */ 221f9ea0753SVasanthakumar Thiagarajan int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value) 222bdcd8170SKalle Valo { 223addb44beSKalle Valo int ret; 224bdcd8170SKalle Valo 225c7111495SKalle Valo ret = ath6kl_hif_diag_write32(ar, address, value); 226c7111495SKalle Valo 227addb44beSKalle Valo if (ret) { 228addb44beSKalle Valo ath6kl_err("failed to write 0x%x during diagnose window to 0x%d\n", 229addb44beSKalle Valo address, value); 230addb44beSKalle Valo return ret; 231bdcd8170SKalle Valo } 232bdcd8170SKalle Valo 233c7111495SKalle Valo return 0; 234bdcd8170SKalle Valo } 235bdcd8170SKalle Valo 236addb44beSKalle Valo int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length) 237bdcd8170SKalle Valo { 238addb44beSKalle Valo u32 count, *buf = data; 239addb44beSKalle Valo int ret; 240bdcd8170SKalle Valo 241addb44beSKalle Valo if (WARN_ON(length % 4)) 242addb44beSKalle Valo return -EINVAL; 243addb44beSKalle Valo 244addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 245addb44beSKalle Valo ret = ath6kl_diag_read32(ar, address, &buf[count]); 246addb44beSKalle Valo if (ret) 247addb44beSKalle Valo return ret; 248bdcd8170SKalle Valo } 249bdcd8170SKalle Valo 250addb44beSKalle Valo return 0; 251addb44beSKalle Valo } 252addb44beSKalle Valo 253addb44beSKalle Valo int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length) 254addb44beSKalle Valo { 255f9ea0753SVasanthakumar Thiagarajan u32 count; 256f9ea0753SVasanthakumar Thiagarajan __le32 *buf = data; 257addb44beSKalle Valo int ret; 258addb44beSKalle Valo 259addb44beSKalle Valo if (WARN_ON(length % 4)) 260addb44beSKalle Valo return -EINVAL; 261addb44beSKalle Valo 262addb44beSKalle Valo for (count = 0; count < length / 4; count++, address += 4) { 263addb44beSKalle Valo ret = ath6kl_diag_write32(ar, address, buf[count]); 264addb44beSKalle Valo if (ret) 265addb44beSKalle Valo return ret; 266addb44beSKalle Valo } 267addb44beSKalle Valo 268addb44beSKalle Valo return 0; 269bdcd8170SKalle Valo } 270bdcd8170SKalle Valo 271bc07ddb2SKalle Valo int ath6kl_read_fwlogs(struct ath6kl *ar) 272bc07ddb2SKalle Valo { 273bc07ddb2SKalle Valo struct ath6kl_dbglog_hdr debug_hdr; 274bc07ddb2SKalle Valo struct ath6kl_dbglog_buf debug_buf; 275bc07ddb2SKalle Valo u32 address, length, dropped, firstbuf, debug_hdr_addr; 276e80ec84dSRaja Mani int ret, loop; 277bc07ddb2SKalle Valo u8 *buf; 278bc07ddb2SKalle Valo 279bc07ddb2SKalle Valo buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL); 280bc07ddb2SKalle Valo if (!buf) 281bc07ddb2SKalle Valo return -ENOMEM; 282bc07ddb2SKalle Valo 283bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 284bc07ddb2SKalle Valo ath6kl_get_hi_item_addr(ar, 285bc07ddb2SKalle Valo HI_ITEM(hi_dbglog_hdr))); 286bc07ddb2SKalle Valo 287bc07ddb2SKalle Valo ret = ath6kl_diag_read32(ar, address, &debug_hdr_addr); 288bc07ddb2SKalle Valo if (ret) 289bc07ddb2SKalle Valo goto out; 290bc07ddb2SKalle Valo 291bc07ddb2SKalle Valo /* Get the contents of the ring buffer */ 292bc07ddb2SKalle Valo if (debug_hdr_addr == 0) { 293bc07ddb2SKalle Valo ath6kl_warn("Invalid address for debug_hdr_addr\n"); 294bc07ddb2SKalle Valo ret = -EINVAL; 295bc07ddb2SKalle Valo goto out; 296bc07ddb2SKalle Valo } 297bc07ddb2SKalle Valo 298bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, debug_hdr_addr); 2994aca81bfSPandiyarajan Pitchaimuthu ret = ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr)); 3004aca81bfSPandiyarajan Pitchaimuthu if (ret) 3014aca81bfSPandiyarajan Pitchaimuthu goto out; 302bc07ddb2SKalle Valo 303bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 304bc07ddb2SKalle Valo le32_to_cpu(debug_hdr.dbuf_addr)); 305bc07ddb2SKalle Valo firstbuf = address; 306bc07ddb2SKalle Valo dropped = le32_to_cpu(debug_hdr.dropped); 3074aca81bfSPandiyarajan Pitchaimuthu ret = ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 3084aca81bfSPandiyarajan Pitchaimuthu if (ret) 3094aca81bfSPandiyarajan Pitchaimuthu goto out; 310bc07ddb2SKalle Valo 311bc07ddb2SKalle Valo loop = 100; 312bc07ddb2SKalle Valo 313bc07ddb2SKalle Valo do { 314bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 315bc07ddb2SKalle Valo le32_to_cpu(debug_buf.buffer_addr)); 316bc07ddb2SKalle Valo length = le32_to_cpu(debug_buf.length); 317bc07ddb2SKalle Valo 318bc07ddb2SKalle Valo if (length != 0 && (le32_to_cpu(debug_buf.length) <= 319bc07ddb2SKalle Valo le32_to_cpu(debug_buf.bufsize))) { 320bc07ddb2SKalle Valo length = ALIGN(length, 4); 321bc07ddb2SKalle Valo 322bc07ddb2SKalle Valo ret = ath6kl_diag_read(ar, address, 323bc07ddb2SKalle Valo buf, length); 324bc07ddb2SKalle Valo if (ret) 325bc07ddb2SKalle Valo goto out; 326bc07ddb2SKalle Valo 327bc07ddb2SKalle Valo ath6kl_debug_fwlog_event(ar, buf, length); 328bc07ddb2SKalle Valo } 329bc07ddb2SKalle Valo 330bc07ddb2SKalle Valo address = TARG_VTOP(ar->target_type, 331bc07ddb2SKalle Valo le32_to_cpu(debug_buf.next)); 3324aca81bfSPandiyarajan Pitchaimuthu ret = ath6kl_diag_read(ar, address, &debug_buf, 3334aca81bfSPandiyarajan Pitchaimuthu sizeof(debug_buf)); 334bc07ddb2SKalle Valo if (ret) 335bc07ddb2SKalle Valo goto out; 336bc07ddb2SKalle Valo 337bc07ddb2SKalle Valo loop--; 338bc07ddb2SKalle Valo 339bc07ddb2SKalle Valo if (WARN_ON(loop == 0)) { 340bc07ddb2SKalle Valo ret = -ETIMEDOUT; 341bc07ddb2SKalle Valo goto out; 342bc07ddb2SKalle Valo } 343bc07ddb2SKalle Valo } while (address != firstbuf); 344bc07ddb2SKalle Valo 345bc07ddb2SKalle Valo out: 346bc07ddb2SKalle Valo kfree(buf); 347bc07ddb2SKalle Valo 348bc07ddb2SKalle Valo return ret; 349bc07ddb2SKalle Valo } 350bc07ddb2SKalle Valo 351240d2799SVasanthakumar Thiagarajan static void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif) 352bdcd8170SKalle Valo { 353bdcd8170SKalle Valo u8 index; 354bdcd8170SKalle Valo u8 keyusage; 355bdcd8170SKalle Valo 356792ecb33SVivek Natarajan for (index = 0; index <= WMI_MAX_KEY_INDEX; index++) { 3576f2a73f9SVasanthakumar Thiagarajan if (vif->wep_key_list[index].key_len) { 358bdcd8170SKalle Valo keyusage = GROUP_USAGE; 3593450334fSVasanthakumar Thiagarajan if (index == vif->def_txkey_index) 360bdcd8170SKalle Valo keyusage |= TX_USAGE; 361bdcd8170SKalle Valo 362240d2799SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(vif->ar->wmi, vif->fw_vif_idx, 363bdcd8170SKalle Valo index, 364bdcd8170SKalle Valo WEP_CRYPT, 365bdcd8170SKalle Valo keyusage, 3666f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key_len, 367f4bb9a6fSJouni Malinen NULL, 0, 3686f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[index].key, 369bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 370bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 371bdcd8170SKalle Valo } 372bdcd8170SKalle Valo } 373bdcd8170SKalle Valo } 374bdcd8170SKalle Valo 375240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel) 376bdcd8170SKalle Valo { 377240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 378bdcd8170SKalle Valo struct ath6kl_req_key *ik; 3799a5b1318SJouni Malinen int res; 3809a5b1318SJouni Malinen u8 key_rsc[ATH6KL_KEY_SEQ_LEN]; 381bdcd8170SKalle Valo 382bdcd8170SKalle Valo ik = &ar->ap_mode_bkey; 383bdcd8170SKalle Valo 384572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel); 3859a5b1318SJouni Malinen 3863450334fSVasanthakumar Thiagarajan switch (vif->auth_mode) { 387bdcd8170SKalle Valo case NONE_AUTH: 3883450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 389240d2799SVasanthakumar Thiagarajan ath6kl_install_static_wep_keys(vif); 3904703290aSJouni Malinen if (!ik->valid || ik->key_type != WAPI_CRYPT) 391bdcd8170SKalle Valo break; 3924703290aSJouni Malinen /* for WAPI, we need to set the delayed group key, continue: */ 393bdcd8170SKalle Valo case WPA_PSK_AUTH: 394bdcd8170SKalle Valo case WPA2_PSK_AUTH: 395bdcd8170SKalle Valo case (WPA_PSK_AUTH | WPA2_PSK_AUTH): 3969a5b1318SJouni Malinen if (!ik->valid) 397bdcd8170SKalle Valo break; 3989a5b1318SJouni Malinen 399cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 400cdeb8602SKalle Valo "Delayed addkey for the initial group key for AP mode\n"); 4019a5b1318SJouni Malinen memset(key_rsc, 0, sizeof(key_rsc)); 4029a5b1318SJouni Malinen res = ath6kl_wmi_addkey_cmd( 403334234b5SVasanthakumar Thiagarajan ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type, 404f4bb9a6fSJouni Malinen GROUP_USAGE, ik->key_len, key_rsc, ATH6KL_KEY_SEQ_LEN, 405f4bb9a6fSJouni Malinen ik->key, 4069a5b1318SJouni Malinen KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG); 4079a5b1318SJouni Malinen if (res) { 408cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 409cdeb8602SKalle Valo "Delayed addkey failed: %d\n", res); 410bdcd8170SKalle Valo } 411bdcd8170SKalle Valo break; 412bdcd8170SKalle Valo } 4139a5b1318SJouni Malinen 414b5495e66SThomas Pedersen if (ar->last_ch != channel) 415c4f7863eSThomas Pedersen /* we actually don't know the phymode, default to HT20 */ 416b5495e66SThomas Pedersen ath6kl_cfg80211_ch_switch_notify(vif, channel, WMI_11G_HT20); 417c4f7863eSThomas Pedersen 418240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0); 41959c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 420240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 421bdcd8170SKalle Valo } 422bdcd8170SKalle Valo 423240d2799SVasanthakumar Thiagarajan void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 424572e27c0SJouni Malinen u8 keymgmt, u8 ucipher, u8 auth, 425c1762a3fSThirumalai Pachamuthu u8 assoc_req_len, u8 *assoc_info, u8 apsd_info) 426572e27c0SJouni Malinen { 427572e27c0SJouni Malinen u8 *ies = NULL, *wpa_ie = NULL, *pos; 428572e27c0SJouni Malinen size_t ies_len = 0; 429572e27c0SJouni Malinen struct station_info sinfo; 430572e27c0SJouni Malinen 431572e27c0SJouni Malinen ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); 432bdcd8170SKalle Valo 4333c774bbaSJouni Malinen if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { 4343c774bbaSJouni Malinen struct ieee80211_mgmt *mgmt = 4353c774bbaSJouni Malinen (struct ieee80211_mgmt *) assoc_info; 4363c774bbaSJouni Malinen if (ieee80211_is_assoc_req(mgmt->frame_control) && 4373c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) + 4383c774bbaSJouni Malinen sizeof(mgmt->u.assoc_req)) { 4393c774bbaSJouni Malinen ies = mgmt->u.assoc_req.variable; 4403c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 4413c774bbaSJouni Malinen } else if (ieee80211_is_reassoc_req(mgmt->frame_control) && 4423c774bbaSJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) 4433c774bbaSJouni Malinen + sizeof(mgmt->u.reassoc_req)) { 4443c774bbaSJouni Malinen ies = mgmt->u.reassoc_req.variable; 4453c774bbaSJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 4463c774bbaSJouni Malinen } 4473c774bbaSJouni Malinen } 4483c774bbaSJouni Malinen 4493c774bbaSJouni Malinen pos = ies; 4503c774bbaSJouni Malinen while (pos && pos + 1 < ies + ies_len) { 4513c774bbaSJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 4523c774bbaSJouni Malinen break; 4533c774bbaSJouni Malinen if (pos[0] == WLAN_EID_RSN) 4543c774bbaSJouni Malinen wpa_ie = pos; /* RSN IE */ 4553c774bbaSJouni Malinen else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 4563c774bbaSJouni Malinen pos[1] >= 4 && 4573c774bbaSJouni Malinen pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) { 4583c774bbaSJouni Malinen if (pos[5] == 0x01) 4593c774bbaSJouni Malinen wpa_ie = pos; /* WPA IE */ 4603c774bbaSJouni Malinen else if (pos[5] == 0x04) { 4613c774bbaSJouni Malinen wpa_ie = pos; /* WPS IE */ 4623c774bbaSJouni Malinen break; /* overrides WPA/RSN IE */ 4633c774bbaSJouni Malinen } 46430677ae0SDai Shuibing } else if (pos[0] == 0x44 && wpa_ie == NULL) { 46530677ae0SDai Shuibing /* 46630677ae0SDai Shuibing * Note: WAPI Parameter Set IE re-uses Element ID that 46730677ae0SDai Shuibing * was officially allocated for BSS AC Access Delay. As 46830677ae0SDai Shuibing * such, we need to be a bit more careful on when 46930677ae0SDai Shuibing * parsing the frame. However, BSS AC Access Delay 47030677ae0SDai Shuibing * element is not supposed to be included in 47130677ae0SDai Shuibing * (Re)Association Request frames, so this should not 47230677ae0SDai Shuibing * cause problems. 47330677ae0SDai Shuibing */ 47430677ae0SDai Shuibing wpa_ie = pos; /* WAPI IE */ 47530677ae0SDai Shuibing break; 4763c774bbaSJouni Malinen } 4773c774bbaSJouni Malinen pos += 2 + pos[1]; 4783c774bbaSJouni Malinen } 4793c774bbaSJouni Malinen 48017741c8dSVasanthakumar Thiagarajan ath6kl_add_new_sta(vif, mac_addr, aid, wpa_ie, 4813c774bbaSJouni Malinen wpa_ie ? 2 + wpa_ie[1] : 0, 482c1762a3fSThirumalai Pachamuthu keymgmt, ucipher, auth, apsd_info); 483bdcd8170SKalle Valo 484bdcd8170SKalle Valo /* send event to application */ 485bdcd8170SKalle Valo memset(&sinfo, 0, sizeof(sinfo)); 486bdcd8170SKalle Valo 487bdcd8170SKalle Valo /* TODO: sinfo.generation */ 4883c774bbaSJouni Malinen 4893c774bbaSJouni Malinen sinfo.assoc_req_ies = ies; 4903c774bbaSJouni Malinen sinfo.assoc_req_ies_len = ies_len; 4913c774bbaSJouni Malinen sinfo.filled |= STATION_INFO_ASSOC_REQ_IES; 4923c774bbaSJouni Malinen 493240d2799SVasanthakumar Thiagarajan cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL); 494bdcd8170SKalle Valo 495240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 496bdcd8170SKalle Valo } 497bdcd8170SKalle Valo 498bdcd8170SKalle Valo void disconnect_timer_handler(unsigned long ptr) 499bdcd8170SKalle Valo { 500bdcd8170SKalle Valo struct net_device *dev = (struct net_device *)ptr; 501334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 502bdcd8170SKalle Valo 503e29f25f5SVasanthakumar Thiagarajan ath6kl_init_profile_info(vif); 504240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 505bdcd8170SKalle Valo } 506bdcd8170SKalle Valo 507240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect(struct ath6kl_vif *vif) 508bdcd8170SKalle Valo { 50959c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) || 51059c98449SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) { 511240d2799SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 512bdcd8170SKalle Valo /* 513bdcd8170SKalle Valo * Disconnect command is issued, clear the connect pending 514bdcd8170SKalle Valo * flag. The connected flag will be cleared in 515bdcd8170SKalle Valo * disconnect event notification. 516bdcd8170SKalle Valo */ 51759c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 518bdcd8170SKalle Valo } 519bdcd8170SKalle Valo } 520bdcd8170SKalle Valo 521bdcd8170SKalle Valo /* WMI Event handlers */ 522bdcd8170SKalle Valo 523d92917e4SThomas Pedersen void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver, 524d92917e4SThomas Pedersen enum wmi_phy_cap cap) 525bdcd8170SKalle Valo { 526bdcd8170SKalle Valo struct ath6kl *ar = devt; 527bdcd8170SKalle Valo 528d66ea4f9SVasanthakumar Thiagarajan memcpy(ar->mac_addr, datap, ETH_ALEN); 529b5b6f6a9SNaveen Singh 530b5b6f6a9SNaveen Singh ath6kl_dbg(ATH6KL_DBG_BOOT, 531b5b6f6a9SNaveen Singh "ready event mac addr %pM sw_ver 0x%x abi_ver 0x%x cap 0x%x\n", 532b5b6f6a9SNaveen Singh ar->mac_addr, sw_ver, abi_ver, cap); 533bdcd8170SKalle Valo 534bdcd8170SKalle Valo ar->version.wlan_ver = sw_ver; 535bdcd8170SKalle Valo ar->version.abi_ver = abi_ver; 536d92917e4SThomas Pedersen ar->hw.cap = cap; 537bdcd8170SKalle Valo 538b5b6f6a9SNaveen Singh if (strlen(ar->wiphy->fw_version) == 0) { 539be98e3a4SVasanthakumar Thiagarajan snprintf(ar->wiphy->fw_version, 540be98e3a4SVasanthakumar Thiagarajan sizeof(ar->wiphy->fw_version), 541bdcd8170SKalle Valo "%u.%u.%u.%u", 542bdcd8170SKalle Valo (ar->version.wlan_ver & 0xf0000000) >> 28, 543bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0f000000) >> 24, 544bdcd8170SKalle Valo (ar->version.wlan_ver & 0x00ff0000) >> 16, 545bdcd8170SKalle Valo (ar->version.wlan_ver & 0x0000ffff)); 546b5b6f6a9SNaveen Singh } 547bdcd8170SKalle Valo 548bdcd8170SKalle Valo /* indicate to the waiting thread that the ready event was received */ 549bdcd8170SKalle Valo set_bit(WMI_READY, &ar->flag); 550bdcd8170SKalle Valo wake_up(&ar->event_wq); 5515fe4dffbSKalle Valo } 552bdcd8170SKalle Valo 553240d2799SVasanthakumar Thiagarajan void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status) 554bdcd8170SKalle Valo { 555240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 5561c17d313SKalle Valo bool aborted = false; 55759c98449SVasanthakumar Thiagarajan 5581c17d313SKalle Valo if (status != WMI_SCAN_STATUS_SUCCESS) 5591c17d313SKalle Valo aborted = true; 5601c17d313SKalle Valo 5611c17d313SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, aborted); 562bdcd8170SKalle Valo 563551185caSJouni Malinen if (!ar->usr_bss_filter) { 56459c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 565240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 566240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 567551185caSJouni Malinen } 568bdcd8170SKalle Valo 569d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "scan complete: %d\n", status); 570bdcd8170SKalle Valo } 571bdcd8170SKalle Valo 572c4f7863eSThomas Pedersen static int ath6kl_commit_ch_switch(struct ath6kl_vif *vif, u16 channel) 573c4f7863eSThomas Pedersen { 574c4f7863eSThomas Pedersen struct ath6kl *ar = vif->ar; 575c4f7863eSThomas Pedersen 576c4f7863eSThomas Pedersen vif->profile.ch = cpu_to_le16(channel); 577c4f7863eSThomas Pedersen 578c4f7863eSThomas Pedersen switch (vif->nw_type) { 579c4f7863eSThomas Pedersen case AP_NETWORK: 580f21243a8SThomas Pedersen /* 581f21243a8SThomas Pedersen * reconfigure any saved RSN IE capabilites in the beacon / 582f21243a8SThomas Pedersen * probe response to stay in sync with the supplicant. 583f21243a8SThomas Pedersen */ 584f21243a8SThomas Pedersen if (vif->rsn_capab && 585f21243a8SThomas Pedersen test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 586f21243a8SThomas Pedersen ar->fw_capabilities)) 587f21243a8SThomas Pedersen ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 588f21243a8SThomas Pedersen WLAN_EID_RSN, WMI_RSN_IE_CAPB, 589f21243a8SThomas Pedersen (const u8 *) &vif->rsn_capab, 590f21243a8SThomas Pedersen sizeof(vif->rsn_capab)); 591f21243a8SThomas Pedersen 592c4f7863eSThomas Pedersen return ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, 593c4f7863eSThomas Pedersen &vif->profile); 594c4f7863eSThomas Pedersen default: 595c4f7863eSThomas Pedersen ath6kl_err("won't switch channels nw_type=%d\n", vif->nw_type); 596c4f7863eSThomas Pedersen return -ENOTSUPP; 597c4f7863eSThomas Pedersen } 598c4f7863eSThomas Pedersen } 599c4f7863eSThomas Pedersen 600c4f7863eSThomas Pedersen static void ath6kl_check_ch_switch(struct ath6kl *ar, u16 channel) 601c4f7863eSThomas Pedersen { 602c4f7863eSThomas Pedersen struct ath6kl_vif *vif; 603c4f7863eSThomas Pedersen int res = 0; 604c4f7863eSThomas Pedersen 605c4f7863eSThomas Pedersen if (!ar->want_ch_switch) 606c4f7863eSThomas Pedersen return; 607c4f7863eSThomas Pedersen 608c4f7863eSThomas Pedersen spin_lock_bh(&ar->list_lock); 609c4f7863eSThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 610c4f7863eSThomas Pedersen if (ar->want_ch_switch & (1 << vif->fw_vif_idx)) 611c4f7863eSThomas Pedersen res = ath6kl_commit_ch_switch(vif, channel); 612c4f7863eSThomas Pedersen 613b5495e66SThomas Pedersen /* if channel switch failed, oh well we tried */ 614b5495e66SThomas Pedersen ar->want_ch_switch &= ~(1 << vif->fw_vif_idx); 615b5495e66SThomas Pedersen 616c4f7863eSThomas Pedersen if (res) 617c4f7863eSThomas Pedersen ath6kl_err("channel switch failed nw_type %d res %d\n", 618c4f7863eSThomas Pedersen vif->nw_type, res); 619c4f7863eSThomas Pedersen } 620c4f7863eSThomas Pedersen spin_unlock_bh(&ar->list_lock); 621c4f7863eSThomas Pedersen } 622c4f7863eSThomas Pedersen 623240d2799SVasanthakumar Thiagarajan void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid, 624bdcd8170SKalle Valo u16 listen_int, u16 beacon_int, 625bdcd8170SKalle Valo enum network_type net_type, u8 beacon_ie_len, 626bdcd8170SKalle Valo u8 assoc_req_len, u8 assoc_resp_len, 627bdcd8170SKalle Valo u8 *assoc_info) 628bdcd8170SKalle Valo { 629240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 63059c98449SVasanthakumar Thiagarajan 631240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_connect_event(vif, channel, bssid, 632bdcd8170SKalle Valo listen_int, beacon_int, 633bdcd8170SKalle Valo net_type, beacon_ie_len, 634bdcd8170SKalle Valo assoc_req_len, assoc_resp_len, 635bdcd8170SKalle Valo assoc_info); 636bdcd8170SKalle Valo 6378c8b65e3SVasanthakumar Thiagarajan memcpy(vif->bssid, bssid, sizeof(vif->bssid)); 638f74bac54SVasanthakumar Thiagarajan vif->bss_ch = channel; 639bdcd8170SKalle Valo 640c4f7863eSThomas Pedersen if ((vif->nw_type == INFRA_NETWORK)) { 641334234b5SVasanthakumar Thiagarajan ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 6428f46fccdSRaja Mani vif->listen_intvl_t, 0); 643c4f7863eSThomas Pedersen ath6kl_check_ch_switch(ar, channel); 644c4f7863eSThomas Pedersen } 645bdcd8170SKalle Valo 646240d2799SVasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 647bdcd8170SKalle Valo 648bdcd8170SKalle Valo /* Update connect & link status atomically */ 649478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 65059c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 65159c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 652240d2799SVasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 653478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 654bdcd8170SKalle Valo 6551d2a4456SVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt->aggr_conn); 656cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 657bdcd8170SKalle Valo 658f5938f24SVasanthakumar Thiagarajan if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) { 659bdcd8170SKalle Valo memset(ar->node_map, 0, sizeof(ar->node_map)); 660bdcd8170SKalle Valo ar->node_num = 0; 661bdcd8170SKalle Valo ar->next_ep_id = ENDPOINT_2; 662bdcd8170SKalle Valo } 663bdcd8170SKalle Valo 664551185caSJouni Malinen if (!ar->usr_bss_filter) { 66559c98449SVasanthakumar Thiagarajan set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 666240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 667240d2799SVasanthakumar Thiagarajan CURRENT_BSS_FILTER, 0); 668551185caSJouni Malinen } 669bdcd8170SKalle Valo } 670bdcd8170SKalle Valo 671240d2799SVasanthakumar Thiagarajan void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast) 672bdcd8170SKalle Valo { 673bdcd8170SKalle Valo struct ath6kl_sta *sta; 674240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 675bdcd8170SKalle Valo u8 tsc[6]; 676240d2799SVasanthakumar Thiagarajan 677bdcd8170SKalle Valo /* 678bdcd8170SKalle Valo * For AP case, keyid will have aid of STA which sent pkt with 679bdcd8170SKalle Valo * MIC error. Use this aid to get MAC & send it to hostapd. 680bdcd8170SKalle Valo */ 681f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 682bdcd8170SKalle Valo sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2)); 683bdcd8170SKalle Valo if (!sta) 684bdcd8170SKalle Valo return; 685bdcd8170SKalle Valo 686bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 687bdcd8170SKalle Valo "ap tkip mic error received from aid=%d\n", keyid); 688bdcd8170SKalle Valo 689bdcd8170SKalle Valo memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */ 690240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, sta->mac, 691bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE, keyid, 692bdcd8170SKalle Valo tsc, GFP_KERNEL); 693a5d8f9dfSKalle Valo } else { 694240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast); 695bdcd8170SKalle Valo } 696a5d8f9dfSKalle Valo } 697bdcd8170SKalle Valo 698240d2799SVasanthakumar Thiagarajan static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len) 699bdcd8170SKalle Valo { 700bdcd8170SKalle Valo struct wmi_target_stats *tgt_stats = 701bdcd8170SKalle Valo (struct wmi_target_stats *) ptr; 702240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 703b95907a7SVasanthakumar Thiagarajan struct target_stats *stats = &vif->target_stats; 704bdcd8170SKalle Valo struct tkip_ccmp_stats *ccmp_stats; 705bdcd8170SKalle Valo u8 ac; 706bdcd8170SKalle Valo 707bdcd8170SKalle Valo if (len < sizeof(*tgt_stats)) 708bdcd8170SKalle Valo return; 709bdcd8170SKalle Valo 710bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n"); 711bdcd8170SKalle Valo 712bdcd8170SKalle Valo stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt); 713bdcd8170SKalle Valo stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte); 714bdcd8170SKalle Valo stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt); 715bdcd8170SKalle Valo stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte); 716bdcd8170SKalle Valo stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt); 717bdcd8170SKalle Valo stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte); 718bdcd8170SKalle Valo stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt); 719bdcd8170SKalle Valo stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte); 720bdcd8170SKalle Valo stats->tx_rts_success_cnt += 721bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt); 722bdcd8170SKalle Valo 723bdcd8170SKalle Valo for (ac = 0; ac < WMM_NUM_AC; ac++) 724bdcd8170SKalle Valo stats->tx_pkt_per_ac[ac] += 725bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]); 726bdcd8170SKalle Valo 727bdcd8170SKalle Valo stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err); 728bdcd8170SKalle Valo stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt); 729bdcd8170SKalle Valo stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt); 730bdcd8170SKalle Valo stats->tx_mult_retry_cnt += 731bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt); 732bdcd8170SKalle Valo stats->tx_rts_fail_cnt += 733bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt); 734bdcd8170SKalle Valo stats->tx_ucast_rate = 735bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate)); 736bdcd8170SKalle Valo 737bdcd8170SKalle Valo stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt); 738bdcd8170SKalle Valo stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte); 739bdcd8170SKalle Valo stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt); 740bdcd8170SKalle Valo stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte); 741bdcd8170SKalle Valo stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt); 742bdcd8170SKalle Valo stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte); 743bdcd8170SKalle Valo stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt); 744bdcd8170SKalle Valo stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte); 745bdcd8170SKalle Valo stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt); 746bdcd8170SKalle Valo stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err); 747bdcd8170SKalle Valo stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err); 748bdcd8170SKalle Valo stats->rx_key_cache_miss += 749bdcd8170SKalle Valo le32_to_cpu(tgt_stats->stats.rx.key_cache_miss); 750bdcd8170SKalle Valo stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err); 751bdcd8170SKalle Valo stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame); 752bdcd8170SKalle Valo stats->rx_ucast_rate = 753bdcd8170SKalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate)); 754bdcd8170SKalle Valo 755bdcd8170SKalle Valo ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats; 756bdcd8170SKalle Valo 757bdcd8170SKalle Valo stats->tkip_local_mic_fail += 758bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_local_mic_fail); 759bdcd8170SKalle Valo stats->tkip_cnter_measures_invoked += 760bdcd8170SKalle Valo le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked); 761bdcd8170SKalle Valo stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err); 762bdcd8170SKalle Valo 763bdcd8170SKalle Valo stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err); 764bdcd8170SKalle Valo stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays); 765bdcd8170SKalle Valo 766bdcd8170SKalle Valo stats->pwr_save_fail_cnt += 767bdcd8170SKalle Valo le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt); 768bdcd8170SKalle Valo stats->noise_floor_calib = 769bdcd8170SKalle Valo a_sle32_to_cpu(tgt_stats->noise_floor_calib); 770bdcd8170SKalle Valo 771bdcd8170SKalle Valo stats->cs_bmiss_cnt += 772bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt); 773bdcd8170SKalle Valo stats->cs_low_rssi_cnt += 774bdcd8170SKalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt); 775bdcd8170SKalle Valo stats->cs_connect_cnt += 776bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt); 777bdcd8170SKalle Valo stats->cs_discon_cnt += 778bdcd8170SKalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt); 779bdcd8170SKalle Valo 780bdcd8170SKalle Valo stats->cs_ave_beacon_rssi = 781bdcd8170SKalle Valo a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi); 782bdcd8170SKalle Valo 783bdcd8170SKalle Valo stats->cs_last_roam_msec = 784bdcd8170SKalle Valo tgt_stats->cserv_stats.cs_last_roam_msec; 785bdcd8170SKalle Valo stats->cs_snr = tgt_stats->cserv_stats.cs_snr; 786bdcd8170SKalle Valo stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi); 787bdcd8170SKalle Valo 788bdcd8170SKalle Valo stats->lq_val = le32_to_cpu(tgt_stats->lq_val); 789bdcd8170SKalle Valo 790bdcd8170SKalle Valo stats->wow_pkt_dropped += 791bdcd8170SKalle Valo le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped); 792bdcd8170SKalle Valo stats->wow_host_pkt_wakeups += 793bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_pkt_wakeups; 794bdcd8170SKalle Valo stats->wow_host_evt_wakeups += 795bdcd8170SKalle Valo tgt_stats->wow_stats.wow_host_evt_wakeups; 796bdcd8170SKalle Valo stats->wow_evt_discarded += 797bdcd8170SKalle Valo le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded); 798bdcd8170SKalle Valo 799f0446ea9SRaja Mani stats->arp_received = le32_to_cpu(tgt_stats->arp_stats.arp_received); 800f0446ea9SRaja Mani stats->arp_replied = le32_to_cpu(tgt_stats->arp_stats.arp_replied); 801f0446ea9SRaja Mani stats->arp_matched = le32_to_cpu(tgt_stats->arp_stats.arp_matched); 802f0446ea9SRaja Mani 803b95907a7SVasanthakumar Thiagarajan if (test_bit(STATS_UPDATE_PEND, &vif->flags)) { 804b95907a7SVasanthakumar Thiagarajan clear_bit(STATS_UPDATE_PEND, &vif->flags); 805bdcd8170SKalle Valo wake_up(&ar->event_wq); 806bdcd8170SKalle Valo } 807bdcd8170SKalle Valo } 808bdcd8170SKalle Valo 809bdcd8170SKalle Valo static void ath6kl_add_le32(__le32 *var, __le32 val) 810bdcd8170SKalle Valo { 811bdcd8170SKalle Valo *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val)); 812bdcd8170SKalle Valo } 813bdcd8170SKalle Valo 814240d2799SVasanthakumar Thiagarajan void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len) 815bdcd8170SKalle Valo { 816bdcd8170SKalle Valo struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr; 817240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 818bdcd8170SKalle Valo struct wmi_ap_mode_stat *ap = &ar->ap_stats; 819bdcd8170SKalle Valo struct wmi_per_sta_stat *st_ap, *st_p; 820bdcd8170SKalle Valo u8 ac; 821bdcd8170SKalle Valo 822f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 823bdcd8170SKalle Valo if (len < sizeof(*p)) 824bdcd8170SKalle Valo return; 825bdcd8170SKalle Valo 826bdcd8170SKalle Valo for (ac = 0; ac < AP_MAX_NUM_STA; ac++) { 827bdcd8170SKalle Valo st_ap = &ap->sta[ac]; 828bdcd8170SKalle Valo st_p = &p->sta[ac]; 829bdcd8170SKalle Valo 830bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes); 831bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts); 832bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error); 833bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard); 834bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes); 835bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts); 836bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error); 837bdcd8170SKalle Valo ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard); 838bdcd8170SKalle Valo } 839bdcd8170SKalle Valo 840bdcd8170SKalle Valo } else { 841240d2799SVasanthakumar Thiagarajan ath6kl_update_target_stats(vif, ptr, len); 842bdcd8170SKalle Valo } 843bdcd8170SKalle Valo } 844bdcd8170SKalle Valo 845bdcd8170SKalle Valo void ath6kl_wakeup_event(void *dev) 846bdcd8170SKalle Valo { 847bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) dev; 848bdcd8170SKalle Valo 849bdcd8170SKalle Valo wake_up(&ar->event_wq); 850bdcd8170SKalle Valo } 851bdcd8170SKalle Valo 852bdcd8170SKalle Valo void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr) 853bdcd8170SKalle Valo { 854bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *) devt; 855bdcd8170SKalle Valo 856bdcd8170SKalle Valo ar->tx_pwr = tx_pwr; 857bdcd8170SKalle Valo wake_up(&ar->event_wq); 858bdcd8170SKalle Valo } 859bdcd8170SKalle Valo 860240d2799SVasanthakumar Thiagarajan void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid) 861bdcd8170SKalle Valo { 862bdcd8170SKalle Valo struct ath6kl_sta *conn; 863bdcd8170SKalle Valo struct sk_buff *skb; 864bdcd8170SKalle Valo bool psq_empty = false; 865240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 866d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 867bdcd8170SKalle Valo 868bdcd8170SKalle Valo conn = ath6kl_find_sta_by_aid(ar, aid); 869bdcd8170SKalle Valo 870bdcd8170SKalle Valo if (!conn) 871bdcd8170SKalle Valo return; 872bdcd8170SKalle Valo /* 873bdcd8170SKalle Valo * Send out a packet queued on ps queue. When the ps queue 874bdcd8170SKalle Valo * becomes empty update the PVB for this station. 875bdcd8170SKalle Valo */ 876bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 877d0ff7383SNaveen Gangadharan psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0); 878bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 879bdcd8170SKalle Valo 880bdcd8170SKalle Valo if (psq_empty) 881bdcd8170SKalle Valo /* TODO: Send out a NULL data frame */ 882bdcd8170SKalle Valo return; 883bdcd8170SKalle Valo 884bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 885d0ff7383SNaveen Gangadharan if (conn->mgmt_psq_len > 0) { 886d0ff7383SNaveen Gangadharan mgmt_buf = list_first_entry(&conn->mgmt_psq, 887d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff, list); 888d0ff7383SNaveen Gangadharan list_del(&mgmt_buf->list); 889d0ff7383SNaveen Gangadharan conn->mgmt_psq_len--; 890d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 891d0ff7383SNaveen Gangadharan 892d0ff7383SNaveen Gangadharan conn->sta_flags |= STA_PS_POLLED; 893d0ff7383SNaveen Gangadharan ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, 894d0ff7383SNaveen Gangadharan mgmt_buf->id, mgmt_buf->freq, 895d0ff7383SNaveen Gangadharan mgmt_buf->wait, mgmt_buf->buf, 896d0ff7383SNaveen Gangadharan mgmt_buf->len, mgmt_buf->no_cck); 897d0ff7383SNaveen Gangadharan conn->sta_flags &= ~STA_PS_POLLED; 898d0ff7383SNaveen Gangadharan kfree(mgmt_buf); 899d0ff7383SNaveen Gangadharan } else { 900bdcd8170SKalle Valo skb = skb_dequeue(&conn->psq); 901bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 902bdcd8170SKalle Valo 903bdcd8170SKalle Valo conn->sta_flags |= STA_PS_POLLED; 904240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 905bdcd8170SKalle Valo conn->sta_flags &= ~STA_PS_POLLED; 906d0ff7383SNaveen Gangadharan } 907bdcd8170SKalle Valo 908bdcd8170SKalle Valo spin_lock_bh(&conn->psq_lock); 909d0ff7383SNaveen Gangadharan psq_empty = skb_queue_empty(&conn->psq) && (conn->mgmt_psq_len == 0); 910bdcd8170SKalle Valo spin_unlock_bh(&conn->psq_lock); 911bdcd8170SKalle Valo 912bdcd8170SKalle Valo if (psq_empty) 913334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0); 914bdcd8170SKalle Valo } 915bdcd8170SKalle Valo 916240d2799SVasanthakumar Thiagarajan void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif) 917bdcd8170SKalle Valo { 918bdcd8170SKalle Valo bool mcastq_empty = false; 919bdcd8170SKalle Valo struct sk_buff *skb; 920240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 921bdcd8170SKalle Valo 922bdcd8170SKalle Valo /* 923bdcd8170SKalle Valo * If there are no associated STAs, ignore the DTIM expiry event. 924bdcd8170SKalle Valo * There can be potential race conditions where the last associated 925bdcd8170SKalle Valo * STA may disconnect & before the host could clear the 'Indicate 926bdcd8170SKalle Valo * DTIM' request to the firmware, the firmware would have just 927bdcd8170SKalle Valo * indicated a DTIM expiry event. The race is between 'clear DTIM 928bdcd8170SKalle Valo * expiry cmd' going from the host to the firmware & the DTIM 929bdcd8170SKalle Valo * expiry event happening from the firmware to the host. 930bdcd8170SKalle Valo */ 931bdcd8170SKalle Valo if (!ar->sta_list_index) 932bdcd8170SKalle Valo return; 933bdcd8170SKalle Valo 934bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 935bdcd8170SKalle Valo mcastq_empty = skb_queue_empty(&ar->mcastpsq); 936bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 937bdcd8170SKalle Valo 938bdcd8170SKalle Valo if (mcastq_empty) 939bdcd8170SKalle Valo return; 940bdcd8170SKalle Valo 941bdcd8170SKalle Valo /* set the STA flag to dtim_expired for the frame to go out */ 94259c98449SVasanthakumar Thiagarajan set_bit(DTIM_EXPIRED, &vif->flags); 943bdcd8170SKalle Valo 944bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 945bdcd8170SKalle Valo while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) { 946bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 947bdcd8170SKalle Valo 948240d2799SVasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 949bdcd8170SKalle Valo 950bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 951bdcd8170SKalle Valo } 952bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 953bdcd8170SKalle Valo 95459c98449SVasanthakumar Thiagarajan clear_bit(DTIM_EXPIRED, &vif->flags); 955bdcd8170SKalle Valo 956bdcd8170SKalle Valo /* clear the LSB of the BitMapCtl field of the TIM IE */ 957334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0); 958bdcd8170SKalle Valo } 959bdcd8170SKalle Valo 960240d2799SVasanthakumar Thiagarajan void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid, 961bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info, 962bdcd8170SKalle Valo u16 prot_reason_status) 963bdcd8170SKalle Valo { 964240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 96559c98449SVasanthakumar Thiagarajan 966f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 967c4f7863eSThomas Pedersen /* disconnect due to other STA vif switching channels */ 968c4f7863eSThomas Pedersen if (reason == BSS_DISCONNECTED && 969b5495e66SThomas Pedersen prot_reason_status == WMI_AP_REASON_STA_ROAM) { 970c4f7863eSThomas Pedersen ar->want_ch_switch |= 1 << vif->fw_vif_idx; 971b5495e66SThomas Pedersen /* bail back to this channel if STA vif fails connect */ 972b5495e66SThomas Pedersen ar->last_ch = le16_to_cpu(vif->profile.ch); 973b5495e66SThomas Pedersen } 974c4f7863eSThomas Pedersen 97507033ce2SPandiyarajan Pitchaimuthu if (prot_reason_status == WMI_AP_REASON_MAX_STA) { 97607033ce2SPandiyarajan Pitchaimuthu /* send max client reached notification to user space */ 97707033ce2SPandiyarajan Pitchaimuthu cfg80211_conn_failed(vif->ndev, bssid, 97807033ce2SPandiyarajan Pitchaimuthu NL80211_CONN_FAIL_MAX_CLIENTS, 97907033ce2SPandiyarajan Pitchaimuthu GFP_KERNEL); 98007033ce2SPandiyarajan Pitchaimuthu } 98107033ce2SPandiyarajan Pitchaimuthu 982698bf867SPandiyarajan Pitchaimuthu if (prot_reason_status == WMI_AP_REASON_ACL) { 983698bf867SPandiyarajan Pitchaimuthu /* send blocked client notification to user space */ 984698bf867SPandiyarajan Pitchaimuthu cfg80211_conn_failed(vif->ndev, bssid, 985698bf867SPandiyarajan Pitchaimuthu NL80211_CONN_FAIL_BLOCKED_CLIENT, 986698bf867SPandiyarajan Pitchaimuthu GFP_KERNEL); 987698bf867SPandiyarajan Pitchaimuthu } 988698bf867SPandiyarajan Pitchaimuthu 989bdcd8170SKalle Valo if (!ath6kl_remove_sta(ar, bssid, prot_reason_status)) 990bdcd8170SKalle Valo return; 991bdcd8170SKalle Valo 992bdcd8170SKalle Valo /* if no more associated STAs, empty the mcast PS q */ 993bdcd8170SKalle Valo if (ar->sta_list_index == 0) { 994bdcd8170SKalle Valo spin_lock_bh(&ar->mcastpsq_lock); 995bdcd8170SKalle Valo skb_queue_purge(&ar->mcastpsq); 996bdcd8170SKalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 997bdcd8170SKalle Valo 998bdcd8170SKalle Valo /* clear the LSB of the TIM IE's BitMapCtl field */ 999bdcd8170SKalle Valo if (test_bit(WMI_READY, &ar->flag)) 1000334234b5SVasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 1001334234b5SVasanthakumar Thiagarajan MCAST_AID, 0); 1002bdcd8170SKalle Valo } 1003bdcd8170SKalle Valo 1004bdcd8170SKalle Valo if (!is_broadcast_ether_addr(bssid)) { 1005bdcd8170SKalle Valo /* send event to application */ 1006240d2799SVasanthakumar Thiagarajan cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL); 1007bdcd8170SKalle Valo } 1008bdcd8170SKalle Valo 1009240d2799SVasanthakumar Thiagarajan if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) { 10106f2a73f9SVasanthakumar Thiagarajan memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); 101159c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 1012151411e8SJouni Malinen } 1013bdcd8170SKalle Valo return; 1014bdcd8170SKalle Valo } 1015bdcd8170SKalle Valo 1016240d2799SVasanthakumar Thiagarajan ath6kl_cfg80211_disconnect_event(vif, reason, bssid, 1017bdcd8170SKalle Valo assoc_resp_len, assoc_info, 1018bdcd8170SKalle Valo prot_reason_status); 1019bdcd8170SKalle Valo 10201d2a4456SVasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt->aggr_conn); 1021bdcd8170SKalle Valo 1022de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1023bdcd8170SKalle Valo 1024d23ace77SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "disconnect reason is %d\n", reason); 1025bdcd8170SKalle Valo 1026bdcd8170SKalle Valo /* 1027bdcd8170SKalle Valo * If the event is due to disconnect cmd from the host, only they 1028bdcd8170SKalle Valo * the target would stop trying to connect. Under any other 1029bdcd8170SKalle Valo * condition, target would keep trying to connect. 1030bdcd8170SKalle Valo */ 1031bdcd8170SKalle Valo if (reason == DISCONNECT_CMD) { 1032bdcd8170SKalle Valo if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag)) 1033240d2799SVasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1034240d2799SVasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 1035bdcd8170SKalle Valo } else { 103659c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1037bdcd8170SKalle Valo if (((reason == ASSOC_FAILED) && 1038bdcd8170SKalle Valo (prot_reason_status == 0x11)) || 1039ddc3d77cSKalle Valo ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) && 1040ddc3d77cSKalle Valo (vif->reconnect_flag == 1))) { 104159c98449SVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 1042bdcd8170SKalle Valo return; 1043bdcd8170SKalle Valo } 1044bdcd8170SKalle Valo } 1045bdcd8170SKalle Valo 1046b5495e66SThomas Pedersen /* restart disconnected concurrent vifs waiting for new channel */ 1047b5495e66SThomas Pedersen ath6kl_check_ch_switch(ar, ar->last_ch); 1048b5495e66SThomas Pedersen 1049bdcd8170SKalle Valo /* update connect & link status atomically */ 1050478ac027SVasanthakumar Thiagarajan spin_lock_bh(&vif->if_lock); 105159c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 1052240d2799SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 1053478ac027SVasanthakumar Thiagarajan spin_unlock_bh(&vif->if_lock); 1054bdcd8170SKalle Valo 1055cf5333d7SVasanthakumar Thiagarajan if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1)) 1056cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 1057bdcd8170SKalle Valo 1058bdcd8170SKalle Valo if (reason != CSERV_DISCONNECT) 1059bdcd8170SKalle Valo ar->user_key_ctrl = 0; 1060bdcd8170SKalle Valo 1061240d2799SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 10628c8b65e3SVasanthakumar Thiagarajan memset(vif->bssid, 0, sizeof(vif->bssid)); 1063f74bac54SVasanthakumar Thiagarajan vif->bss_ch = 0; 1064bdcd8170SKalle Valo 1065bdcd8170SKalle Valo ath6kl_tx_data_cleanup(ar); 1066bdcd8170SKalle Valo } 1067bdcd8170SKalle Valo 1068990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar) 1069990bd915SVasanthakumar Thiagarajan { 1070990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1071990bd915SVasanthakumar Thiagarajan 107211f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 1073990bd915SVasanthakumar Thiagarajan if (list_empty(&ar->vif_list)) { 107411f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 1075990bd915SVasanthakumar Thiagarajan return NULL; 1076990bd915SVasanthakumar Thiagarajan } 1077990bd915SVasanthakumar Thiagarajan 1078990bd915SVasanthakumar Thiagarajan vif = list_first_entry(&ar->vif_list, struct ath6kl_vif, list); 1079990bd915SVasanthakumar Thiagarajan 108011f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 1081990bd915SVasanthakumar Thiagarajan 1082990bd915SVasanthakumar Thiagarajan return vif; 1083990bd915SVasanthakumar Thiagarajan } 1084990bd915SVasanthakumar Thiagarajan 1085bdcd8170SKalle Valo static int ath6kl_open(struct net_device *dev) 1086bdcd8170SKalle Valo { 108759c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1088bdcd8170SKalle Valo 108959c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 1090bdcd8170SKalle Valo 109159c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1092bdcd8170SKalle Valo netif_carrier_on(dev); 1093bdcd8170SKalle Valo netif_wake_queue(dev); 1094a5d8f9dfSKalle Valo } else { 1095bdcd8170SKalle Valo netif_carrier_off(dev); 1096a5d8f9dfSKalle Valo } 1097bdcd8170SKalle Valo 1098bdcd8170SKalle Valo return 0; 1099bdcd8170SKalle Valo } 1100bdcd8170SKalle Valo 1101bdcd8170SKalle Valo static int ath6kl_close(struct net_device *dev) 1102bdcd8170SKalle Valo { 110359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1104bdcd8170SKalle Valo 1105bdcd8170SKalle Valo netif_stop_queue(dev); 1106bdcd8170SKalle Valo 11077125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 1108bdcd8170SKalle Valo 110968469341SKalle Valo clear_bit(WLAN_ENABLED, &vif->flags); 111068469341SKalle Valo 1111bdcd8170SKalle Valo return 0; 1112bdcd8170SKalle Valo } 1113bdcd8170SKalle Valo 1114bdcd8170SKalle Valo static struct net_device_stats *ath6kl_get_stats(struct net_device *dev) 1115bdcd8170SKalle Valo { 1116b95907a7SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1117bdcd8170SKalle Valo 1118b95907a7SVasanthakumar Thiagarajan return &vif->net_stats; 1119bdcd8170SKalle Valo } 1120bdcd8170SKalle Valo 1121d6f80261SKalle Valo static int ath6kl_set_features(struct net_device *dev, 1122d6f80261SKalle Valo netdev_features_t features) 1123bc48ad31SRishi Panjwani { 1124bc48ad31SRishi Panjwani struct ath6kl_vif *vif = netdev_priv(dev); 1125bc48ad31SRishi Panjwani struct ath6kl *ar = vif->ar; 1126bc48ad31SRishi Panjwani int err = 0; 1127bc48ad31SRishi Panjwani 1128bc48ad31SRishi Panjwani if ((features & NETIF_F_RXCSUM) && 1129bc48ad31SRishi Panjwani (ar->rx_meta_ver != WMI_META_VERSION_2)) { 1130bc48ad31SRishi Panjwani ar->rx_meta_ver = WMI_META_VERSION_2; 1131bc48ad31SRishi Panjwani err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, 1132bc48ad31SRishi Panjwani vif->fw_vif_idx, 1133bc48ad31SRishi Panjwani ar->rx_meta_ver, 0, 0); 1134bc48ad31SRishi Panjwani if (err) { 1135bc48ad31SRishi Panjwani dev->features = features & ~NETIF_F_RXCSUM; 1136bc48ad31SRishi Panjwani return err; 1137bc48ad31SRishi Panjwani } 1138bc48ad31SRishi Panjwani } else if (!(features & NETIF_F_RXCSUM) && 1139bc48ad31SRishi Panjwani (ar->rx_meta_ver == WMI_META_VERSION_2)) { 1140bc48ad31SRishi Panjwani ar->rx_meta_ver = 0; 1141bc48ad31SRishi Panjwani err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, 1142bc48ad31SRishi Panjwani vif->fw_vif_idx, 1143bc48ad31SRishi Panjwani ar->rx_meta_ver, 0, 0); 1144bc48ad31SRishi Panjwani if (err) { 1145bc48ad31SRishi Panjwani dev->features = features | NETIF_F_RXCSUM; 1146bc48ad31SRishi Panjwani return err; 1147bc48ad31SRishi Panjwani } 1148bc48ad31SRishi Panjwani } 1149bc48ad31SRishi Panjwani 1150bc48ad31SRishi Panjwani return err; 1151bc48ad31SRishi Panjwani } 1152bc48ad31SRishi Panjwani 115380abaf9bSVasanthakumar Thiagarajan static void ath6kl_set_multicast_list(struct net_device *ndev) 115480abaf9bSVasanthakumar Thiagarajan { 115580abaf9bSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 11566251d801SNaveen Gangadharan bool mc_all_on = false; 115780abaf9bSVasanthakumar Thiagarajan int mc_count = netdev_mc_count(ndev); 115880abaf9bSVasanthakumar Thiagarajan struct netdev_hw_addr *ha; 115980abaf9bSVasanthakumar Thiagarajan bool found; 116080abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 116180abaf9bSVasanthakumar Thiagarajan struct list_head mc_filter_new; 116280abaf9bSVasanthakumar Thiagarajan int ret; 116380abaf9bSVasanthakumar Thiagarajan 116480abaf9bSVasanthakumar Thiagarajan if (!test_bit(WMI_READY, &vif->ar->flag) || 116580abaf9bSVasanthakumar Thiagarajan !test_bit(WLAN_ENABLED, &vif->flags)) 116680abaf9bSVasanthakumar Thiagarajan return; 116780abaf9bSVasanthakumar Thiagarajan 11686251d801SNaveen Gangadharan /* Enable multicast-all filter. */ 116980abaf9bSVasanthakumar Thiagarajan mc_all_on = !!(ndev->flags & IFF_PROMISC) || 117080abaf9bSVasanthakumar Thiagarajan !!(ndev->flags & IFF_ALLMULTI) || 117180abaf9bSVasanthakumar Thiagarajan !!(mc_count > ATH6K_MAX_MC_FILTERS_PER_LIST); 117280abaf9bSVasanthakumar Thiagarajan 11736251d801SNaveen Gangadharan if (mc_all_on) 11746251d801SNaveen Gangadharan set_bit(NETDEV_MCAST_ALL_ON, &vif->flags); 11756251d801SNaveen Gangadharan else 11766251d801SNaveen Gangadharan clear_bit(NETDEV_MCAST_ALL_ON, &vif->flags); 117780abaf9bSVasanthakumar Thiagarajan 11786821d4f0SNaveen Gangadharan if (test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 11796821d4f0SNaveen Gangadharan vif->ar->fw_capabilities)) { 11806251d801SNaveen Gangadharan mc_all_on = mc_all_on || (vif->ar->state == ATH6KL_STATE_ON); 11816821d4f0SNaveen Gangadharan } 11826251d801SNaveen Gangadharan 11836251d801SNaveen Gangadharan if (!(ndev->flags & IFF_MULTICAST)) { 11846251d801SNaveen Gangadharan mc_all_on = false; 11856251d801SNaveen Gangadharan set_bit(NETDEV_MCAST_ALL_OFF, &vif->flags); 11866251d801SNaveen Gangadharan } else { 11876251d801SNaveen Gangadharan clear_bit(NETDEV_MCAST_ALL_OFF, &vif->flags); 11886251d801SNaveen Gangadharan } 11896251d801SNaveen Gangadharan 11906251d801SNaveen Gangadharan /* Enable/disable "multicast-all" filter*/ 11916251d801SNaveen Gangadharan ath6kl_dbg(ATH6KL_DBG_TRC, "%s multicast-all filter\n", 119280abaf9bSVasanthakumar Thiagarajan mc_all_on ? "enabling" : "disabling"); 11936251d801SNaveen Gangadharan 119480abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, vif->fw_vif_idx, 119580abaf9bSVasanthakumar Thiagarajan mc_all_on); 11966251d801SNaveen Gangadharan if (ret) { 11976251d801SNaveen Gangadharan ath6kl_warn("Failed to %s multicast-all receive\n", 119880abaf9bSVasanthakumar Thiagarajan mc_all_on ? "enable" : "disable"); 119980abaf9bSVasanthakumar Thiagarajan return; 120080abaf9bSVasanthakumar Thiagarajan } 120180abaf9bSVasanthakumar Thiagarajan 12026251d801SNaveen Gangadharan if (test_bit(NETDEV_MCAST_ALL_ON, &vif->flags)) 12036251d801SNaveen Gangadharan return; 12046251d801SNaveen Gangadharan 12056251d801SNaveen Gangadharan /* Keep the driver and firmware mcast list in sync. */ 120680abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 120780abaf9bSVasanthakumar Thiagarajan found = false; 120880abaf9bSVasanthakumar Thiagarajan netdev_for_each_mc_addr(ha, ndev) { 120980abaf9bSVasanthakumar Thiagarajan if (memcmp(ha->addr, mc_filter->hw_addr, 121080abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { 121180abaf9bSVasanthakumar Thiagarajan found = true; 121280abaf9bSVasanthakumar Thiagarajan break; 121380abaf9bSVasanthakumar Thiagarajan } 121480abaf9bSVasanthakumar Thiagarajan } 121580abaf9bSVasanthakumar Thiagarajan 121680abaf9bSVasanthakumar Thiagarajan if (!found) { 121780abaf9bSVasanthakumar Thiagarajan /* 121880abaf9bSVasanthakumar Thiagarajan * Delete the filter which was previously set 121980abaf9bSVasanthakumar Thiagarajan * but not in the new request. 122080abaf9bSVasanthakumar Thiagarajan */ 122180abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC, 122280abaf9bSVasanthakumar Thiagarajan "Removing %pM from multicast filter\n", 122380abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 122480abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, 122580abaf9bSVasanthakumar Thiagarajan vif->fw_vif_idx, mc_filter->hw_addr, 122680abaf9bSVasanthakumar Thiagarajan false); 122780abaf9bSVasanthakumar Thiagarajan if (ret) { 122880abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to remove multicast filter:%pM\n", 122980abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 123080abaf9bSVasanthakumar Thiagarajan return; 123180abaf9bSVasanthakumar Thiagarajan } 123280abaf9bSVasanthakumar Thiagarajan 123380abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 123480abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 123580abaf9bSVasanthakumar Thiagarajan } 123680abaf9bSVasanthakumar Thiagarajan } 123780abaf9bSVasanthakumar Thiagarajan 123880abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&mc_filter_new); 123980abaf9bSVasanthakumar Thiagarajan 124080abaf9bSVasanthakumar Thiagarajan netdev_for_each_mc_addr(ha, ndev) { 124180abaf9bSVasanthakumar Thiagarajan found = false; 124280abaf9bSVasanthakumar Thiagarajan list_for_each_entry(mc_filter, &vif->mc_filter, list) { 124380abaf9bSVasanthakumar Thiagarajan if (memcmp(ha->addr, mc_filter->hw_addr, 124480abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE) == 0) { 124580abaf9bSVasanthakumar Thiagarajan found = true; 124680abaf9bSVasanthakumar Thiagarajan break; 124780abaf9bSVasanthakumar Thiagarajan } 124880abaf9bSVasanthakumar Thiagarajan } 124980abaf9bSVasanthakumar Thiagarajan 125080abaf9bSVasanthakumar Thiagarajan if (!found) { 125180abaf9bSVasanthakumar Thiagarajan mc_filter = kzalloc(sizeof(struct ath6kl_mc_filter), 125280abaf9bSVasanthakumar Thiagarajan GFP_ATOMIC); 125380abaf9bSVasanthakumar Thiagarajan if (!mc_filter) { 125480abaf9bSVasanthakumar Thiagarajan WARN_ON(1); 125580abaf9bSVasanthakumar Thiagarajan goto out; 125680abaf9bSVasanthakumar Thiagarajan } 125780abaf9bSVasanthakumar Thiagarajan 125880abaf9bSVasanthakumar Thiagarajan memcpy(mc_filter->hw_addr, ha->addr, 125980abaf9bSVasanthakumar Thiagarajan ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE); 126080abaf9bSVasanthakumar Thiagarajan /* Set the multicast filter */ 126180abaf9bSVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_TRC, 126280abaf9bSVasanthakumar Thiagarajan "Adding %pM to multicast filter list\n", 126380abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 126480abaf9bSVasanthakumar Thiagarajan ret = ath6kl_wmi_add_del_mcast_filter_cmd(vif->ar->wmi, 126580abaf9bSVasanthakumar Thiagarajan vif->fw_vif_idx, mc_filter->hw_addr, 126680abaf9bSVasanthakumar Thiagarajan true); 126780abaf9bSVasanthakumar Thiagarajan if (ret) { 126880abaf9bSVasanthakumar Thiagarajan ath6kl_warn("Failed to add multicast filter :%pM\n", 126980abaf9bSVasanthakumar Thiagarajan mc_filter->hw_addr); 127080abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 127180abaf9bSVasanthakumar Thiagarajan goto out; 127280abaf9bSVasanthakumar Thiagarajan } 127380abaf9bSVasanthakumar Thiagarajan 127480abaf9bSVasanthakumar Thiagarajan list_add_tail(&mc_filter->list, &mc_filter_new); 127580abaf9bSVasanthakumar Thiagarajan } 127680abaf9bSVasanthakumar Thiagarajan } 127780abaf9bSVasanthakumar Thiagarajan 127880abaf9bSVasanthakumar Thiagarajan out: 127980abaf9bSVasanthakumar Thiagarajan list_splice_tail(&mc_filter_new, &vif->mc_filter); 128080abaf9bSVasanthakumar Thiagarajan } 128180abaf9bSVasanthakumar Thiagarajan 12824269a930SStephen Hemminger static const struct net_device_ops ath6kl_netdev_ops = { 1283bdcd8170SKalle Valo .ndo_open = ath6kl_open, 1284bdcd8170SKalle Valo .ndo_stop = ath6kl_close, 1285bdcd8170SKalle Valo .ndo_start_xmit = ath6kl_data_tx, 1286bdcd8170SKalle Valo .ndo_get_stats = ath6kl_get_stats, 1287bc48ad31SRishi Panjwani .ndo_set_features = ath6kl_set_features, 128880abaf9bSVasanthakumar Thiagarajan .ndo_set_rx_mode = ath6kl_set_multicast_list, 1289bdcd8170SKalle Valo }; 1290bdcd8170SKalle Valo 1291bdcd8170SKalle Valo void init_netdev(struct net_device *dev) 1292bdcd8170SKalle Valo { 1293bdcd8170SKalle Valo dev->netdev_ops = &ath6kl_netdev_ops; 129427929723SVasanthakumar Thiagarajan dev->destructor = free_netdev; 1295bdcd8170SKalle Valo dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; 1296bdcd8170SKalle Valo 1297bdcd8170SKalle Valo dev->needed_headroom = ETH_HLEN; 12986a3e4e06SMyoungje Kim dev->needed_headroom += roundup(sizeof(struct ath6kl_llc_snap_hdr) + 12996a3e4e06SMyoungje Kim sizeof(struct wmi_data_hdr) + 13006a3e4e06SMyoungje Kim HTC_HDR_LENGTH + 13016a3e4e06SMyoungje Kim WMI_MAX_TX_META_SZ + 13026a3e4e06SMyoungje Kim ATH6KL_HTC_ALIGN_BYTES, 4); 1303bdcd8170SKalle Valo 13044705b703SVasanthakumar Thiagarajan dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; 13054705b703SVasanthakumar Thiagarajan 1306bdcd8170SKalle Valo return; 1307bdcd8170SKalle Valo } 1308