main.c revision 6765d0aa5ff5b92098f5e571f26904106eae6ff3
1bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* 2bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Copyright (c) 2004-2011 Atheros Communications Inc. 3bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 4bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Permission to use, copy, modify, and/or distribute this software for any 5bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * purpose with or without fee is hereby granted, provided that the above 6bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * copyright notice and this permission notice appear in all copies. 7bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 8bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 16bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 17bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo#include "core.h" 18bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo#include "hif-ops.h" 19bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo#include "cfg80211.h" 20bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo#include "target.h" 21bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo#include "debug.h" 22bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 236765d0aa5ff5b92098f5e571f26904106eae6ff3Vasanthakumar Thiagarajanstruct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr) 24bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 256765d0aa5ff5b92098f5e571f26904106eae6ff3Vasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 26bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *conn = NULL; 27bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 i, max_conn; 28bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 29f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan max_conn = (vif->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0; 30bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 31bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (i = 0; i < max_conn; i++) { 32bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (memcmp(node_addr, ar->sta_list[i].mac, ETH_ALEN) == 0) { 33bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo conn = &ar->sta_list[i]; 34bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 35bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 36bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 37bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 38bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return conn; 39bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 40bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 41bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostruct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid) 42bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 43bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *conn = NULL; 44bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 ctr; 45bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 46bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { 47bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (ar->sta_list[ctr].aid == aid) { 48bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo conn = &ar->sta_list[ctr]; 49bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 50bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 51bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 52bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return conn; 53bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 54bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 55bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6kl_add_new_sta(struct ath6kl *ar, u8 *mac, u16 aid, u8 *wpaie, 56bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 ielen, u8 keymgmt, u8 ucipher, u8 auth) 57bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 58bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *sta; 59bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 free_slot; 60bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 61bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo free_slot = aid - 1; 62bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 63bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta = &ar->sta_list[free_slot]; 64bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memcpy(sta->mac, mac, ETH_ALEN); 653c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (ielen <= ATH6KL_MAX_IE) 663c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen memcpy(sta->wpa_ie, wpaie, ielen); 67bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->aid = aid; 68bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->keymgmt = keymgmt; 69bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->ucipher = ucipher; 70bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->auth = auth; 71bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 72bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->sta_list_index = ar->sta_list_index | (1 << free_slot); 73bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid); 74bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 75bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 76bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i) 77bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 78bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *sta = &ar->sta_list[i]; 79bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 80bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* empty the queued pkts in the PS queue if any */ 81bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&sta->psq_lock); 82bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo skb_queue_purge(&sta->psq); 83bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&sta->psq_lock); 84bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 85bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(&ar->ap_stats.sta[sta->aid - 1], 0, 86bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sizeof(struct wmi_per_sta_stat)); 87bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(sta->mac, 0, ETH_ALEN); 88bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(sta->wpa_ie, 0, ATH6KL_MAX_IE); 89bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->aid = 0; 90bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->sta_flags = 0; 91bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 92bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->sta_list_index = ar->sta_list_index & ~(1 << i); 93bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 94bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 95bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 96bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason) 97bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 98bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 i, removed = 0; 99bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 100bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (is_zero_ether_addr(mac)) 101bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return removed; 102bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 103bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (is_broadcast_ether_addr(mac)) { 104bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "deleting all station\n"); 105bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 106bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 107bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!is_zero_ether_addr(ar->sta_list[i].mac)) { 108bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_sta_cleanup(ar, i); 109bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo removed = 1; 110bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 111bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 112bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else { 113bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 114bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (memcmp(ar->sta_list[i].mac, mac, ETH_ALEN) == 0) { 115bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 116bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo "deleting station %pM aid=%d reason=%d\n", 117bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo mac, ar->sta_list[i].aid, reason); 118bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_sta_cleanup(ar, i); 119bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo removed = 1; 120bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 121bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 122bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 123bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 124bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 125bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return removed; 126bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 127bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 128bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valoenum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac) 129bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 130bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = devt; 131bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return ar->ac2ep_map[ac]; 132bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 133bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 134bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostruct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar) 135bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 136bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_cookie *cookie; 137bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 138bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cookie = ar->cookie_list; 139bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cookie != NULL) { 140bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_list = cookie->arc_list_next; 141bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_count--; 142bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 143bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 144bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return cookie; 145bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 146bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 147bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_cookie_init(struct ath6kl *ar) 148bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 149bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u32 i; 150bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 151bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_list = NULL; 152bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_count = 0; 153bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 154bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(ar->cookie_mem, 0, sizeof(ar->cookie_mem)); 155bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 156bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (i = 0; i < MAX_COOKIE_NUM; i++) 157bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_free_cookie(ar, &ar->cookie_mem[i]); 158bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 159bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 160bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_cookie_cleanup(struct ath6kl *ar) 161bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 162bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_list = NULL; 163bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_count = 0; 164bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 165bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 166bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie) 167bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 168bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* Insert first */ 169bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 170bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!ar || !cookie) 171bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 172bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 173bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cookie->arc_list_next = ar->cookie_list; 174bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_list = cookie; 175bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_count++; 176bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 177bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 178bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* set the window address register (using 4-byte register access ). */ 179bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic int ath6kl_set_addrwin_reg(struct ath6kl *ar, u32 reg_addr, u32 addr) 180bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 181bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int status; 182bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo s32 i; 183b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan __le32 addr_val; 184bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 185bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 186bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Write bytes 1,2,3 of the register to set the upper address bytes, 187bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * the LSB is written last to initiate the access cycle 188bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 189bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 190bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (i = 1; i <= 3; i++) { 191bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 192bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Fill the buffer with the address byte value we want to 193b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan * hit 4 times. No need to worry about endianness as the 194b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan * same byte is copied to all four bytes of addr_val at 195b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan * any time. 196bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 197b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan memset((u8 *)&addr_val, ((u8 *)&addr)[i], 4); 198bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 199bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 200bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Hit each byte of the register address with a 4-byte 201bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * write operation to the same address, this is a harmless 202bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * operation. 203bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 204b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan status = hif_read_write_sync(ar, reg_addr + i, (u8 *)&addr_val, 205bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 4, HIF_WR_SYNC_BYTE_FIX); 206bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (status) 207bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 208bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 209bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 210bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (status) { 211bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_err("failed to write initial bytes of 0x%x to window reg: 0x%X\n", 212bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo addr, reg_addr); 213bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return status; 214bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 215bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 216bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 217bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Write the address register again, this time write the whole 218bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 4-byte value. The effect here is that the LSB write causes the 219bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * cycle to start, the extra 3 byte write to bytes 1,2,3 has no 220bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * effect since we are writing the same values again 221bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 222b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan addr_val = cpu_to_le32(addr); 223b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan status = hif_read_write_sync(ar, reg_addr, 224b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan (u8 *)&(addr_val), 225bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 4, HIF_WR_SYNC_BYTE_INC); 226bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 227bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (status) { 228bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_err("failed to write 0x%x to window reg: 0x%X\n", 229bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo addr, reg_addr); 230bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return status; 231bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 232bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 233bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return 0; 234bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 235bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 236bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* 237addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo * Read from the hardware through its diagnostic window. No cooperation 238addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo * from the firmware is required for this. 239bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 240addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valoint ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value) 241bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 242addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo int ret; 243bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 244bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* set window register to start read cycle */ 245addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret = ath6kl_set_addrwin_reg(ar, WINDOW_READ_ADDR_ADDRESS, address); 246addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (ret) 247addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return ret; 248bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 249bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* read the data */ 250addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret = hif_read_write_sync(ar, WINDOW_DATA_ADDRESS, (u8 *) value, 251addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo sizeof(*value), HIF_RD_SYNC_BYTE_INC); 252addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (ret) { 253addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ath6kl_warn("failed to read32 through diagnose window: %d\n", 254addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret); 255addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return ret; 256bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 257bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 258addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return 0; 259bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 260bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 261bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* 262bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Write to the ATH6KL through its diagnostic window. No cooperation from 263bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * the Target is required for this. 264bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 265f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajanint ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value) 266bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 267addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo int ret; 268bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 269bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* set write data */ 270addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret = hif_read_write_sync(ar, WINDOW_DATA_ADDRESS, (u8 *) &value, 271addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo sizeof(value), HIF_WR_SYNC_BYTE_INC); 272addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (ret) { 273addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ath6kl_err("failed to write 0x%x during diagnose window to 0x%d\n", 274addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo address, value); 275addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return ret; 276bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 277bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 278bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* set window register, which starts the write cycle */ 279bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return ath6kl_set_addrwin_reg(ar, WINDOW_WRITE_ADDR_ADDRESS, 280addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo address); 281bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 282bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 283addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valoint ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length) 284bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 285addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo u32 count, *buf = data; 286addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo int ret; 287bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 288addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (WARN_ON(length % 4)) 289addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return -EINVAL; 290addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo 291addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo for (count = 0; count < length / 4; count++, address += 4) { 292addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret = ath6kl_diag_read32(ar, address, &buf[count]); 293addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (ret) 294addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return ret; 295bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 296bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 297addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return 0; 298addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo} 299addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo 300addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valoint ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length) 301addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo{ 302f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajan u32 count; 303f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajan __le32 *buf = data; 304addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo int ret; 305addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo 306addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (WARN_ON(length % 4)) 307addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return -EINVAL; 308addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo 309addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo for (count = 0; count < length / 4; count++, address += 4) { 310addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret = ath6kl_diag_write32(ar, address, buf[count]); 311addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (ret) 312addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return ret; 313addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo } 314addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo 315addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return 0; 316bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 317bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 318bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valoint ath6kl_read_fwlogs(struct ath6kl *ar) 319bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo{ 320bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo struct ath6kl_dbglog_hdr debug_hdr; 321bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo struct ath6kl_dbglog_buf debug_buf; 322bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo u32 address, length, dropped, firstbuf, debug_hdr_addr; 323bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo int ret = 0, loop; 324bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo u8 *buf; 325bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 326bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL); 327bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (!buf) 328bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo return -ENOMEM; 329bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 330bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo address = TARG_VTOP(ar->target_type, 331bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_get_hi_item_addr(ar, 332bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo HI_ITEM(hi_dbglog_hdr))); 333bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 334bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ret = ath6kl_diag_read32(ar, address, &debug_hdr_addr); 335bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (ret) 336bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo goto out; 337bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 338bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo /* Get the contents of the ring buffer */ 339bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (debug_hdr_addr == 0) { 340bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_warn("Invalid address for debug_hdr_addr\n"); 341bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ret = -EINVAL; 342bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo goto out; 343bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo } 344bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 345bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo address = TARG_VTOP(ar->target_type, debug_hdr_addr); 346bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr)); 347bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 348bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo address = TARG_VTOP(ar->target_type, 349bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo le32_to_cpu(debug_hdr.dbuf_addr)); 350bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo firstbuf = address; 351bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo dropped = le32_to_cpu(debug_hdr.dropped); 352bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 353bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 354bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo loop = 100; 355bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 356bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo do { 357bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo address = TARG_VTOP(ar->target_type, 358bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo le32_to_cpu(debug_buf.buffer_addr)); 359bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo length = le32_to_cpu(debug_buf.length); 360bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 361bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (length != 0 && (le32_to_cpu(debug_buf.length) <= 362bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo le32_to_cpu(debug_buf.bufsize))) { 363bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo length = ALIGN(length, 4); 364bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 365bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ret = ath6kl_diag_read(ar, address, 366bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo buf, length); 367bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (ret) 368bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo goto out; 369bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 370bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_debug_fwlog_event(ar, buf, length); 371bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo } 372bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 373bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo address = TARG_VTOP(ar->target_type, 374bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo le32_to_cpu(debug_buf.next)); 375bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 376bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (ret) 377bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo goto out; 378bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 379bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo loop--; 380bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 381bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (WARN_ON(loop == 0)) { 382bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ret = -ETIMEDOUT; 383bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo goto out; 384bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo } 385bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo } while (address != firstbuf); 386bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 387bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valoout: 388bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo kfree(buf); 389bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 390bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo return ret; 391bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo} 392bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 39331024d99003486c90c793dea58b55f7920f0488bKevin Fang/* FIXME: move to a better place, target.h? */ 39431024d99003486c90c793dea58b55f7920f0488bKevin Fang#define AR6003_RESET_CONTROL_ADDRESS 0x00004000 39531024d99003486c90c793dea58b55f7920f0488bKevin Fang#define AR6004_RESET_CONTROL_ADDRESS 0x00004000 39631024d99003486c90c793dea58b55f7920f0488bKevin Fang 3976db8fa53ad4fa6d4b390e9bdd68f1238a01070eeVasanthakumar Thiagarajanvoid ath6kl_reset_device(struct ath6kl *ar, u32 target_type, 3986db8fa53ad4fa6d4b390e9bdd68f1238a01070eeVasanthakumar Thiagarajan bool wait_fot_compltn, bool cold_reset) 399bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 400bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int status = 0; 401bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u32 address; 402f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajan __le32 data; 403bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 40431024d99003486c90c793dea58b55f7920f0488bKevin Fang if (target_type != TARGET_TYPE_AR6003 && 40531024d99003486c90c793dea58b55f7920f0488bKevin Fang target_type != TARGET_TYPE_AR6004) 406bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 407bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 408f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajan data = cold_reset ? cpu_to_le32(RESET_CONTROL_COLD_RST) : 409f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajan cpu_to_le32(RESET_CONTROL_MBOX_RST); 410bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 41131024d99003486c90c793dea58b55f7920f0488bKevin Fang switch (target_type) { 41231024d99003486c90c793dea58b55f7920f0488bKevin Fang case TARGET_TYPE_AR6003: 41331024d99003486c90c793dea58b55f7920f0488bKevin Fang address = AR6003_RESET_CONTROL_ADDRESS; 41431024d99003486c90c793dea58b55f7920f0488bKevin Fang break; 41531024d99003486c90c793dea58b55f7920f0488bKevin Fang case TARGET_TYPE_AR6004: 41631024d99003486c90c793dea58b55f7920f0488bKevin Fang address = AR6004_RESET_CONTROL_ADDRESS; 41731024d99003486c90c793dea58b55f7920f0488bKevin Fang break; 41831024d99003486c90c793dea58b55f7920f0488bKevin Fang default: 41931024d99003486c90c793dea58b55f7920f0488bKevin Fang address = AR6003_RESET_CONTROL_ADDRESS; 42031024d99003486c90c793dea58b55f7920f0488bKevin Fang break; 42131024d99003486c90c793dea58b55f7920f0488bKevin Fang } 42231024d99003486c90c793dea58b55f7920f0488bKevin Fang 423addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo status = ath6kl_diag_write32(ar, address, data); 424bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 425bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (status) 426bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_err("failed to reset target\n"); 427bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 428bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 429240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanstatic void ath6kl_install_static_wep_keys(struct ath6kl_vif *vif) 430bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 431bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 index; 432bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 keyusage; 433bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 434bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (index = WMI_MIN_KEY_INDEX; index <= WMI_MAX_KEY_INDEX; index++) { 4356f2a73f9e5c7013e14cf898fead81a363cdf0548Vasanthakumar Thiagarajan if (vif->wep_key_list[index].key_len) { 436bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo keyusage = GROUP_USAGE; 4373450334f392bca1fccbf04a90020161ec4404a1eVasanthakumar Thiagarajan if (index == vif->def_txkey_index) 438bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo keyusage |= TX_USAGE; 439bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 440240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(vif->ar->wmi, vif->fw_vif_idx, 441bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo index, 442bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo WEP_CRYPT, 443bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo keyusage, 4446f2a73f9e5c7013e14cf898fead81a363cdf0548Vasanthakumar Thiagarajan vif->wep_key_list[index].key_len, 445bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo NULL, 4466f2a73f9e5c7013e14cf898fead81a363cdf0548Vasanthakumar Thiagarajan vif->wep_key_list[index].key, 447bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo KEY_OP_INIT_VAL, NULL, 448bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo NO_SYNC_WMIFLAG); 449bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 450bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 451bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 452bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 453240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanvoid ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel) 454bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 455240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 456bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_req_key *ik; 4579a5b13182cc10d693c55a5c02d753e54514b9bfcJouni Malinen int res; 4589a5b13182cc10d693c55a5c02d753e54514b9bfcJouni Malinen u8 key_rsc[ATH6KL_KEY_SEQ_LEN]; 459bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 460572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ik = &ar->ap_mode_bkey; 461bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 462572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel); 4639a5b13182cc10d693c55a5c02d753e54514b9bfcJouni Malinen 4643450334f392bca1fccbf04a90020161ec4404a1eVasanthakumar Thiagarajan switch (vif->auth_mode) { 465572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen case NONE_AUTH: 4663450334f392bca1fccbf04a90020161ec4404a1eVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 467240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_install_static_wep_keys(vif); 468572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen break; 469572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen case WPA_PSK_AUTH: 470572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen case WPA2_PSK_AUTH: 471572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen case (WPA_PSK_AUTH | WPA2_PSK_AUTH): 472572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen if (!ik->valid) 473bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 4749a5b13182cc10d693c55a5c02d753e54514b9bfcJouni Malinen 475572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed addkey for " 476572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen "the initial group key for AP mode\n"); 477572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen memset(key_rsc, 0, sizeof(key_rsc)); 478572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen res = ath6kl_wmi_addkey_cmd( 479334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan ar->wmi, vif->fw_vif_idx, ik->key_index, ik->key_type, 480572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen GROUP_USAGE, ik->key_len, key_rsc, ik->key, 481572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG); 482572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen if (res) { 483572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed " 484572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen "addkey failed: %d\n", res); 485bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 486572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen break; 487bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 488bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 489240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, NONE_BSS_FILTER, 0); 49059c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 491240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 492572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen} 493572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen 494240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanvoid ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr, 495572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen u8 keymgmt, u8 ucipher, u8 auth, 496572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen u8 assoc_req_len, u8 *assoc_info) 497572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen{ 498240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 499572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen u8 *ies = NULL, *wpa_ie = NULL, *pos; 500572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen size_t ies_len = 0; 501572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen struct station_info sinfo; 502572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen 503572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); 504bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 5053c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { 5063c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen struct ieee80211_mgmt *mgmt = 5073c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen (struct ieee80211_mgmt *) assoc_info; 5083c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (ieee80211_is_assoc_req(mgmt->frame_control) && 5093c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) + 5103c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen sizeof(mgmt->u.assoc_req)) { 5113c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen ies = mgmt->u.assoc_req.variable; 5123c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 5133c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } else if (ieee80211_is_reassoc_req(mgmt->frame_control) && 5143c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) 5153c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen + sizeof(mgmt->u.reassoc_req)) { 5163c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen ies = mgmt->u.reassoc_req.variable; 5173c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 5183c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } 5193c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } 5203c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen 5213c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen pos = ies; 5223c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen while (pos && pos + 1 < ies + ies_len) { 5233c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 5243c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen break; 5253c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (pos[0] == WLAN_EID_RSN) 5263c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen wpa_ie = pos; /* RSN IE */ 5273c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 5283c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen pos[1] >= 4 && 5293c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) { 5303c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (pos[5] == 0x01) 5313c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen wpa_ie = pos; /* WPA IE */ 5323c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen else if (pos[5] == 0x04) { 5333c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen wpa_ie = pos; /* WPS IE */ 5343c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen break; /* overrides WPA/RSN IE */ 5353c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } 5363c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } 5373c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen pos += 2 + pos[1]; 5383c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } 5393c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen 540572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_add_new_sta(ar, mac_addr, aid, wpa_ie, 5413c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen wpa_ie ? 2 + wpa_ie[1] : 0, 542572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen keymgmt, ucipher, auth); 543bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 544bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* send event to application */ 545bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(&sinfo, 0, sizeof(sinfo)); 546bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 547bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* TODO: sinfo.generation */ 5483c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen 5493c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen sinfo.assoc_req_ies = ies; 5503c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen sinfo.assoc_req_ies_len = ies_len; 5513c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen sinfo.filled |= STATION_INFO_ASSOC_REQ_IES; 5523c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen 553240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan cfg80211_new_sta(vif->ndev, mac_addr, &sinfo, GFP_KERNEL); 554bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 555240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 556bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 557bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 558bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* Functions for Tx credit handling */ 559bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6k_credit_init(struct htc_credit_state_info *cred_info, 560bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct list_head *ep_list, 561bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int tot_credits) 562bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 563bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *cur_ep_dist; 564bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int count; 565bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 566bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cred_info->cur_free_credits = tot_credits; 567bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cred_info->total_avail_credits = tot_credits; 568bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 569bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list_for_each_entry(cur_ep_dist, ep_list, list) { 570bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_ep_dist->endpoint == ENDPOINT_0) 571bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo continue; 572bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 573bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_min = cur_ep_dist->cred_per_msg; 574bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 575bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (tot_credits > 4) 576bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((cur_ep_dist->svc_id == WMI_DATA_BK_SVC) || 577bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (cur_ep_dist->svc_id == WMI_DATA_BE_SVC)) { 578bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_deposit_credit_to_ep(cred_info, 579bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist, 580bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_min); 581bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->dist_flags |= HTC_EP_ACTIVE; 582bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 583bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 584bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_ep_dist->svc_id == WMI_CONTROL_SVC) { 585bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_deposit_credit_to_ep(cred_info, cur_ep_dist, 586bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_min); 587bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 588bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Control service is always marked active, it 589bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * never goes inactive EVER. 590bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 591bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->dist_flags |= HTC_EP_ACTIVE; 592bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else if (cur_ep_dist->svc_id == WMI_DATA_BK_SVC) 593bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* this is the lowest priority data endpoint */ 594bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cred_info->lowestpri_ep_dist = cur_ep_dist->list; 595bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 596bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 597bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Streams have to be created (explicit | implicit) for all 598bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * kinds of traffic. BE endpoints are also inactive in the 599bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * beginning. When BE traffic starts it creates implicit 600bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * streams that redistributes credits. 601bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 602bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Note: all other endpoints have minimums set but are 603bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * initially given NO credits. credits will be distributed 604bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * as traffic activity demands 605bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 606bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 607bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 608bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo WARN_ON(cred_info->cur_free_credits <= 0); 609bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 610bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list_for_each_entry(cur_ep_dist, ep_list, list) { 611bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_ep_dist->endpoint == ENDPOINT_0) 612bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo continue; 613bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 614bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_ep_dist->svc_id == WMI_CONTROL_SVC) 615bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_norm = cur_ep_dist->cred_per_msg; 616bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo else { 617bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 618bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * For the remaining data endpoints, we assume that 619bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * each cred_per_msg are the same. We use a simple 620bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * calculation here, we take the remaining credits 621bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * and determine how many max messages this can 622bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * cover and then set each endpoint's normal value 623bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * equal to 3/4 this amount. 624bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 625bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo count = (cred_info->cur_free_credits / 626bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_per_msg) 627bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * cur_ep_dist->cred_per_msg; 628bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo count = (count * 3) >> 2; 629bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo count = max(count, cur_ep_dist->cred_per_msg); 630bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_norm = count; 631bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 632bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 633bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 634bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 635bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 636bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* initialize and setup credit distribution */ 637bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valoint ath6k_setup_credit_dist(void *htc_handle, 638bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_credit_state_info *cred_info) 639bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 640bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u16 servicepriority[5]; 641bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 642bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(cred_info, 0, sizeof(struct htc_credit_state_info)); 643bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 644bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo servicepriority[0] = WMI_CONTROL_SVC; /* highest */ 645bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo servicepriority[1] = WMI_DATA_VO_SVC; 646bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo servicepriority[2] = WMI_DATA_VI_SVC; 647bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo servicepriority[3] = WMI_DATA_BE_SVC; 648bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo servicepriority[4] = WMI_DATA_BK_SVC; /* lowest */ 649bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 650bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* set priority list */ 651ad226ec22b92d7f0f834015149b1d1118e017f16Kalle Valo ath6kl_htc_set_credit_dist(htc_handle, cred_info, servicepriority, 5); 652bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 653bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return 0; 654bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 655bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 656bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* reduce an ep's credits back to a set limit */ 657bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6k_reduce_credits(struct htc_credit_state_info *cred_info, 658bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *ep_dist, 659bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int limit) 660bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 661bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int credits; 662bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 663bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ep_dist->cred_assngd = limit; 664bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 665bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (ep_dist->credits <= limit) 666bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 667bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 668bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo credits = ep_dist->credits - limit; 669bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ep_dist->credits -= credits; 670bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cred_info->cur_free_credits += credits; 671bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 672bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 673bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6k_credit_update(struct htc_credit_state_info *cred_info, 674bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct list_head *epdist_list) 675bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 676bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *cur_dist_list; 677bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 678bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list_for_each_entry(cur_dist_list, epdist_list, list) { 679bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_dist_list->endpoint == ENDPOINT_0) 680bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo continue; 681bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 682bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_dist_list->cred_to_dist > 0) { 683bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->credits += 684bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_to_dist; 685bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_to_dist = 0; 686bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_dist_list->credits > 687bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_assngd) 688bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(cred_info, 689bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list, 690bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_assngd); 691bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 692bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_dist_list->credits > 693bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_norm) 694bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(cred_info, cur_dist_list, 695bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_norm); 696bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 697bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!(cur_dist_list->dist_flags & HTC_EP_ACTIVE)) { 698bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_dist_list->txq_depth == 0) 699bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(cred_info, 700bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list, 0); 701bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 702bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 703bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 704bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 705bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 706bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* 707bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * HTC has an endpoint that needs credits, ep_dist is the endpoint in 708bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * question. 709bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 710bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6k_seek_credits(struct htc_credit_state_info *cred_info, 711bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *ep_dist) 712bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 713bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *curdist_list; 714bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int credits = 0; 715bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int need; 716bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 717bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (ep_dist->svc_id == WMI_CONTROL_SVC) 718bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo goto out; 719bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 720bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((ep_dist->svc_id == WMI_DATA_VI_SVC) || 721bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (ep_dist->svc_id == WMI_DATA_VO_SVC)) 722bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((ep_dist->cred_assngd >= ep_dist->cred_norm)) 723bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo goto out; 724bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 725bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 726bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * For all other services, we follow a simple algorithm of: 727bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 728bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 1. checking the free pool for credits 729bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 2. checking lower priority endpoints for credits to take 730bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 731bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 732bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo credits = min(cred_info->cur_free_credits, ep_dist->seek_cred); 733bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 734bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (credits >= ep_dist->seek_cred) 735bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo goto out; 736bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 737bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 738bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * We don't have enough in the free pool, try taking away from 739bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * lower priority services The rule for taking away credits: 740bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 741bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 1. Only take from lower priority endpoints 742bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 2. Only take what is allocated above the minimum (never 743bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * starve an endpoint completely) 744bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 3. Only take what you need. 745bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 746bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 747bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list_for_each_entry_reverse(curdist_list, 748bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo &cred_info->lowestpri_ep_dist, 749bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list) { 750bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (curdist_list == ep_dist) 751bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 752bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 753bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo need = ep_dist->seek_cred - cred_info->cur_free_credits; 754bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 755bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((curdist_list->cred_assngd - need) >= 756bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list->cred_min) { 757bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 758bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * The current one has been allocated more than 759bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * it's minimum and it has enough credits assigned 760bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * above it's minimum to fulfill our need try to 761bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * take away just enough to fulfill our need. 762bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 763bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(cred_info, curdist_list, 764bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list->cred_assngd - need); 765bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 766bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cred_info->cur_free_credits >= 767bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ep_dist->seek_cred) 768bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 769bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 770bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 771bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (curdist_list->endpoint == ENDPOINT_0) 772bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 773bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 774bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 775bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo credits = min(cred_info->cur_free_credits, ep_dist->seek_cred); 776bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 777bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valoout: 778bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* did we find some credits? */ 779bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (credits) 780bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_deposit_credit_to_ep(cred_info, ep_dist, credits); 781bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 782bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ep_dist->seek_cred = 0; 783bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 784bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 785bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* redistribute credits based on activity change */ 786bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6k_redistribute_credits(struct htc_credit_state_info *info, 787bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct list_head *ep_dist_list) 788bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 789bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *curdist_list; 790bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 791bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list_for_each_entry(curdist_list, ep_dist_list, list) { 792bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (curdist_list->endpoint == ENDPOINT_0) 793bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo continue; 794bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 795bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((curdist_list->svc_id == WMI_DATA_BK_SVC) || 796bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (curdist_list->svc_id == WMI_DATA_BE_SVC)) 797bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list->dist_flags |= HTC_EP_ACTIVE; 798bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 799bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((curdist_list->svc_id != WMI_CONTROL_SVC) && 800bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo !(curdist_list->dist_flags & HTC_EP_ACTIVE)) { 801bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (curdist_list->txq_depth == 0) 802bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(info, 803bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list, 0); 804bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo else 805bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(info, 806bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list, 807bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list->cred_min); 808bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 809bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 810bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 811bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 812bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* 813bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 814bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * This function is invoked whenever endpoints require credit 815bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * distributions. A lock is held while this function is invoked, this 816bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * function shall NOT block. The ep_dist_list is a list of distribution 817bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * structures in prioritized order as defined by the call to the 818bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * htc_set_credit_dist() api. 819bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 820bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6k_credit_distribute(struct htc_credit_state_info *cred_info, 821bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct list_head *ep_dist_list, 822bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo enum htc_credit_dist_reason reason) 823bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 824bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo switch (reason) { 825bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo case HTC_CREDIT_DIST_SEND_COMPLETE: 826bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_credit_update(cred_info, ep_dist_list); 827bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 828bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo case HTC_CREDIT_DIST_ACTIVITY_CHANGE: 829bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_redistribute_credits(cred_info, ep_dist_list); 830bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 831bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo default: 832bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 833bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 834bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 835bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo WARN_ON(cred_info->cur_free_credits > cred_info->total_avail_credits); 836bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo WARN_ON(cred_info->cur_free_credits < 0); 837bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 838bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 839bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid disconnect_timer_handler(unsigned long ptr) 840bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 841bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct net_device *dev = (struct net_device *)ptr; 842334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 843bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 844e29f25f5cd23d705b3a186e53cfddd3663875c45Vasanthakumar Thiagarajan ath6kl_init_profile_info(vif); 845240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_disconnect(vif); 846bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 847bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 848240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanvoid ath6kl_disconnect(struct ath6kl_vif *vif) 849bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 85059c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) || 85159c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) { 852240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 853bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 854bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Disconnect command is issued, clear the connect pending 855bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * flag. The connected flag will be cleared in 856bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * disconnect event notification. 857bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 85859c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 859bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 860bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 861bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 862abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valovoid ath6kl_deep_sleep_enable(struct ath6kl *ar) 863abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo{ 86459c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan /* TODO: Pass vif instead of taking it from ar */ 86559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 86659c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan 86714ee6f6b7db968229edb7524588e71182c843080Vasanthakumar Thiagarajan switch (vif->sme_state) { 868abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo case SME_CONNECTING: 86928ae58dd1f55f55dabf02fbc76a76f0809eee937Vasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 870abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo NULL, 0, 871abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 872abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo GFP_KERNEL); 873abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo break; 874abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo case SME_CONNECTED: 875abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo default: 876abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo /* 877abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo * FIXME: oddly enough smeState is in DISCONNECTED during 878abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo * suspend, why? Need to send disconnected event in that 879abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo * state. 880abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo */ 88128ae58dd1f55f55dabf02fbc76a76f0809eee937Vasanthakumar Thiagarajan cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 882abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo break; 883abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo } 884abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo 88559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) || 88659c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) 887334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 888abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo 88914ee6f6b7db968229edb7524588e71182c843080Vasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 890abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo 891abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo /* disable scanning */ 892334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan if (ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0xFFFF, 0, 0, 893334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan 0, 0, 0, 0, 0, 0, 0) != 0) 894abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo printk(KERN_WARNING "ath6kl: failed to disable scan " 895abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo "during suspend\n"); 896abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo 897240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_cfg80211_scan_complete_event(vif, -ECANCELED); 898aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng 899aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng /* save the current power mode before enabling power save */ 900aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 901aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng 902334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 903aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng ath6kl_warn("ath6kl_deep_sleep_enable: " 904aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng "wmi_powermode_cmd failed\n"); 905abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo} 906abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo 907bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* WMI Event handlers */ 908bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 909bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic const char *get_hw_id_string(u32 id) 910bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 911bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo switch (id) { 912bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo case AR6003_REV1_VERSION: 913bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return "1.0"; 914bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo case AR6003_REV2_VERSION: 915bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return "2.0"; 916bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo case AR6003_REV3_VERSION: 917bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return "2.1.1"; 918bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo default: 919bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return "unknown"; 920bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 921bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 922bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 923bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver) 924bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 925bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = devt; 92628ae58dd1f55f55dabf02fbc76a76f0809eee937Vasanthakumar Thiagarajan struct net_device *dev = ar->vif->ndev; 927bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 928bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memcpy(dev->dev_addr, datap, ETH_ALEN); 929bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "%s: mac addr = %pM\n", 930bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo __func__, dev->dev_addr); 931bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 932bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->version.wlan_ver = sw_ver; 933bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->version.abi_ver = abi_ver; 934bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 935be98e3a48cb9b9e63da8537a378f656af2a9f2c6Vasanthakumar Thiagarajan snprintf(ar->wiphy->fw_version, 936be98e3a48cb9b9e63da8537a378f656af2a9f2c6Vasanthakumar Thiagarajan sizeof(ar->wiphy->fw_version), 937bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo "%u.%u.%u.%u", 938bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (ar->version.wlan_ver & 0xf0000000) >> 28, 939bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (ar->version.wlan_ver & 0x0f000000) >> 24, 940bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (ar->version.wlan_ver & 0x00ff0000) >> 16, 941bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (ar->version.wlan_ver & 0x0000ffff)); 942bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 943bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* indicate to the waiting thread that the ready event was received */ 944bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo set_bit(WMI_READY, &ar->flag); 945bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo wake_up(&ar->event_wq); 946bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 947003353b0d27489228eff79447d0731687cea0207Kalle Valo ath6kl_info("hw %s fw %s%s\n", 948be98e3a48cb9b9e63da8537a378f656af2a9f2c6Vasanthakumar Thiagarajan get_hw_id_string(ar->wiphy->hw_version), 949be98e3a48cb9b9e63da8537a378f656af2a9f2c6Vasanthakumar Thiagarajan ar->wiphy->fw_version, 950003353b0d27489228eff79447d0731687cea0207Kalle Valo test_bit(TESTMODE, &ar->flag) ? " testmode" : ""); 951bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 952bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 953240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanvoid ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status) 954bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 955240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 95659c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan 957240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_cfg80211_scan_complete_event(vif, status); 958bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 959551185ca0a97a11917edc3ad8e11d68912795902Jouni Malinen if (!ar->usr_bss_filter) { 96059c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 961240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 962240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 963551185ca0a97a11917edc3ad8e11d68912795902Jouni Malinen } 964bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 965bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_SCAN, "scan complete: %d\n", status); 966bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 967bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 968240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanvoid ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel, u8 *bssid, 969bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u16 listen_int, u16 beacon_int, 970bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo enum network_type net_type, u8 beacon_ie_len, 971bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 assoc_req_len, u8 assoc_resp_len, 972bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 *assoc_info) 973bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 974240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 97559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan 976240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_cfg80211_connect_event(vif, channel, bssid, 977bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo listen_int, beacon_int, 978bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo net_type, beacon_ie_len, 979bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo assoc_req_len, assoc_resp_len, 980bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo assoc_info); 981bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 9828c8b65e3e3b81d28d185f0a8b6543e42b50a812dVasanthakumar Thiagarajan memcpy(vif->bssid, bssid, sizeof(vif->bssid)); 983f74bac54a507a1b71be352d422b25cb5fd38db54Vasanthakumar Thiagarajan vif->bss_ch = channel; 984bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 985f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan if ((vif->nw_type == INFRA_NETWORK)) 986334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 987334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan ar->listen_intvl_t, 988bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->listen_intvl_b); 989bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 990240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan netif_wake_queue(vif->ndev); 991bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 992bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* Update connect & link status atomically */ 993151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_lock_bh(&ar->lock); 99459c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 99559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 996240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan netif_carrier_on(vif->ndev); 997151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_unlock_bh(&ar->lock); 998bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 9992132c69cb9efaf2b7300f6da916ab5f96c9c95b7Vasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt); 1000cf5333d70f822d950f0c2f4bec7a8939871d9b6aVasanthakumar Thiagarajan vif->reconnect_flag = 0; 1001bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1002f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) { 1003bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(ar->node_map, 0, sizeof(ar->node_map)); 1004bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->node_num = 0; 1005bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->next_ep_id = ENDPOINT_2; 1006bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1007bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1008551185ca0a97a11917edc3ad8e11d68912795902Jouni Malinen if (!ar->usr_bss_filter) { 100959c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 1010240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1011240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan CURRENT_BSS_FILTER, 0); 1012551185ca0a97a11917edc3ad8e11d68912795902Jouni Malinen } 1013bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1014bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1015240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanvoid ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast) 1016bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1017bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *sta; 1018240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 1019bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 tsc[6]; 1020240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan 1021bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 1022bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * For AP case, keyid will have aid of STA which sent pkt with 1023bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * MIC error. Use this aid to get MAC & send it to hostapd. 1024bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 1025f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 1026bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2)); 1027bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!sta) 1028bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1029bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1030bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 1031bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo "ap tkip mic error received from aid=%d\n", keyid); 1032bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1033bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */ 1034240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, sta->mac, 1035bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo NL80211_KEYTYPE_PAIRWISE, keyid, 1036bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo tsc, GFP_KERNEL); 1037bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else 1038240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_cfg80211_tkip_micerr_event(vif, keyid, ismcast); 1039bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1040bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1041bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1042240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanstatic void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len) 1043bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1044bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct wmi_target_stats *tgt_stats = 1045bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (struct wmi_target_stats *) ptr; 1046240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 1047b95907a744fb2afe282cebd9b58371533818fbaeVasanthakumar Thiagarajan struct target_stats *stats = &vif->target_stats; 1048bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct tkip_ccmp_stats *ccmp_stats; 1049bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 ac; 1050bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1051bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (len < sizeof(*tgt_stats)) 1052bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1053bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1054bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n"); 1055bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1056bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt); 1057bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte); 1058bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt); 1059bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte); 1060bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt); 1061bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte); 1062bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt); 1063bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte); 1064bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_rts_success_cnt += 1065bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt); 1066bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1067bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (ac = 0; ac < WMM_NUM_AC; ac++) 1068bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_pkt_per_ac[ac] += 1069bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]); 1070bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1071bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err); 1072bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt); 1073bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt); 1074bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_mult_retry_cnt += 1075bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt); 1076bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_rts_fail_cnt += 1077bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt); 1078bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_ucast_rate = 1079bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate)); 1080bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1081bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt); 1082bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte); 1083bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt); 1084bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte); 1085bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt); 1086bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte); 1087bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt); 1088bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte); 1089bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt); 1090bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err); 1091bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err); 1092bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_key_cache_miss += 1093bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->stats.rx.key_cache_miss); 1094bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err); 1095bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame); 1096bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_ucast_rate = 1097bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate)); 1098bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1099bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats; 1100bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1101bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tkip_local_mic_fail += 1102bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(ccmp_stats->tkip_local_mic_fail); 1103bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tkip_cnter_measures_invoked += 1104bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked); 1105bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err); 1106bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1107bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err); 1108bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays); 1109bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1110bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->pwr_save_fail_cnt += 1111bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt); 1112bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->noise_floor_calib = 1113bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo a_sle32_to_cpu(tgt_stats->noise_floor_calib); 1114bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1115bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_bmiss_cnt += 1116bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt); 1117bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_low_rssi_cnt += 1118bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt); 1119bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_connect_cnt += 1120bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt); 1121bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_discon_cnt += 1122bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt); 1123bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1124bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_ave_beacon_rssi = 1125bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi); 1126bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1127bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_last_roam_msec = 1128bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo tgt_stats->cserv_stats.cs_last_roam_msec; 1129bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_snr = tgt_stats->cserv_stats.cs_snr; 1130bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi); 1131bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1132bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->lq_val = le32_to_cpu(tgt_stats->lq_val); 1133bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1134bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->wow_pkt_dropped += 1135bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped); 1136bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->wow_host_pkt_wakeups += 1137bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo tgt_stats->wow_stats.wow_host_pkt_wakeups; 1138bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->wow_host_evt_wakeups += 1139bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo tgt_stats->wow_stats.wow_host_evt_wakeups; 1140bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->wow_evt_discarded += 1141bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded); 1142bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1143b95907a744fb2afe282cebd9b58371533818fbaeVasanthakumar Thiagarajan if (test_bit(STATS_UPDATE_PEND, &vif->flags)) { 1144b95907a744fb2afe282cebd9b58371533818fbaeVasanthakumar Thiagarajan clear_bit(STATS_UPDATE_PEND, &vif->flags); 1145bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo wake_up(&ar->event_wq); 1146bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1147bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1148bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1149bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6kl_add_le32(__le32 *var, __le32 val) 1150bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1151bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val)); 1152bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1153bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1154240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanvoid ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len) 1155bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1156bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr; 1157240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 1158bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct wmi_ap_mode_stat *ap = &ar->ap_stats; 1159bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct wmi_per_sta_stat *st_ap, *st_p; 1160bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 ac; 1161bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1162f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 1163bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (len < sizeof(*p)) 1164bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1165bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1166bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (ac = 0; ac < AP_MAX_NUM_STA; ac++) { 1167bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo st_ap = &ap->sta[ac]; 1168bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo st_p = &p->sta[ac]; 1169bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1170bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes); 1171bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts); 1172bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error); 1173bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard); 1174bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes); 1175bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts); 1176bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error); 1177bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard); 1178bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1179bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1180bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else { 1181240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_update_target_stats(vif, ptr, len); 1182bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1183bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1184bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1185bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_wakeup_event(void *dev) 1186bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1187bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = (struct ath6kl *) dev; 1188bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1189bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo wake_up(&ar->event_wq); 1190bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1191bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1192bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr) 1193bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1194bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = (struct ath6kl *) devt; 1195bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1196bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->tx_pwr = tx_pwr; 1197bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo wake_up(&ar->event_wq); 1198bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1199bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1200240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanvoid ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid) 1201bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1202bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *conn; 1203bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct sk_buff *skb; 1204bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo bool psq_empty = false; 1205240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 1206bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1207bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo conn = ath6kl_find_sta_by_aid(ar, aid); 1208bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1209bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!conn) 1210bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1211bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 1212bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Send out a packet queued on ps queue. When the ps queue 1213bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * becomes empty update the PVB for this station. 1214bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 1215bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&conn->psq_lock); 1216bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo psq_empty = skb_queue_empty(&conn->psq); 1217bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&conn->psq_lock); 1218bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1219bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (psq_empty) 1220bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* TODO: Send out a NULL data frame */ 1221bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1222bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1223bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&conn->psq_lock); 1224bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo skb = skb_dequeue(&conn->psq); 1225bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&conn->psq_lock); 1226bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1227bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo conn->sta_flags |= STA_PS_POLLED; 1228240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 1229bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo conn->sta_flags &= ~STA_PS_POLLED; 1230bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1231bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&conn->psq_lock); 1232bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo psq_empty = skb_queue_empty(&conn->psq); 1233bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&conn->psq_lock); 1234bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1235bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (psq_empty) 1236334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, conn->aid, 0); 1237bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1238bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1239240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanvoid ath6kl_dtimexpiry_event(struct ath6kl_vif *vif) 1240bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1241bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo bool mcastq_empty = false; 1242bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct sk_buff *skb; 1243240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 1244bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1245bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 1246bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * If there are no associated STAs, ignore the DTIM expiry event. 1247bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * There can be potential race conditions where the last associated 1248bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * STA may disconnect & before the host could clear the 'Indicate 1249bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * DTIM' request to the firmware, the firmware would have just 1250bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * indicated a DTIM expiry event. The race is between 'clear DTIM 1251bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * expiry cmd' going from the host to the firmware & the DTIM 1252bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * expiry event happening from the firmware to the host. 1253bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 1254bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!ar->sta_list_index) 1255bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1256bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1257bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&ar->mcastpsq_lock); 1258bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo mcastq_empty = skb_queue_empty(&ar->mcastpsq); 1259bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 1260bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1261bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (mcastq_empty) 1262bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1263bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1264bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* set the STA flag to dtim_expired for the frame to go out */ 126559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(DTIM_EXPIRED, &vif->flags); 1266bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1267bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&ar->mcastpsq_lock); 1268bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) { 1269bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 1270bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1271240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_data_tx(skb, vif->ndev); 1272bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1273bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&ar->mcastpsq_lock); 1274bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1275bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 1276bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 127759c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(DTIM_EXPIRED, &vif->flags); 1278bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1279bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* clear the LSB of the BitMapCtl field of the TIM IE */ 1280334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, MCAST_AID, 0); 1281bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1282bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1283240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajanvoid ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason, u8 *bssid, 1284bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 assoc_resp_len, u8 *assoc_info, 1285bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u16 prot_reason_status) 1286bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1287240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 128859c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan 1289f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 1290bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!ath6kl_remove_sta(ar, bssid, prot_reason_status)) 1291bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1292bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1293bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* if no more associated STAs, empty the mcast PS q */ 1294bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (ar->sta_list_index == 0) { 1295bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&ar->mcastpsq_lock); 1296bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo skb_queue_purge(&ar->mcastpsq); 1297bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 1298bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1299bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* clear the LSB of the TIM IE's BitMapCtl field */ 1300bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (test_bit(WMI_READY, &ar->flag)) 1301334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 1302334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan MCAST_AID, 0); 1303bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1304bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1305bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!is_broadcast_ether_addr(bssid)) { 1306bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* send event to application */ 1307240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan cfg80211_del_sta(vif->ndev, bssid, GFP_KERNEL); 1308bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1309bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1310240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan if (memcmp(vif->ndev->dev_addr, bssid, ETH_ALEN) == 0) { 13116f2a73f9e5c7013e14cf898fead81a363cdf0548Vasanthakumar Thiagarajan memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); 131259c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 1313151411e88fe1d1a729a4f706a2aebef8bc000a69Jouni Malinen } 1314bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1315bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1316bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1317240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_cfg80211_disconnect_event(vif, reason, bssid, 1318bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo assoc_resp_len, assoc_info, 1319bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo prot_reason_status); 1320bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 13212132c69cb9efaf2b7300f6da916ab5f96c9c95b7Vasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt); 1322bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1323de3ad7138c853fb3f5c239a40e0228bd94d583e7Vasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1324bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1325bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CONNECT, 1326bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo "disconnect reason is %d\n", reason); 1327bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1328bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 1329bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * If the event is due to disconnect cmd from the host, only they 1330bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * the target would stop trying to connect. Under any other 1331bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * condition, target would keep trying to connect. 1332bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 1333bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (reason == DISCONNECT_CMD) { 1334bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag)) 1335240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1336240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan NONE_BSS_FILTER, 0); 1337bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else { 133859c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1339bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (((reason == ASSOC_FAILED) && 1340bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (prot_reason_status == 0x11)) || 1341bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) 1342cf5333d70f822d950f0c2f4bec7a8939871d9b6aVasanthakumar Thiagarajan && (vif->reconnect_flag == 1))) { 134359c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 1344bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1345bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1346bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1347bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1348bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* update connect & link status atomically */ 1349151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_lock_bh(&ar->lock); 135059c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 1351240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 1352151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_unlock_bh(&ar->lock); 1353bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1354cf5333d70f822d950f0c2f4bec7a8939871d9b6aVasanthakumar Thiagarajan if ((reason != CSERV_DISCONNECT) || (vif->reconnect_flag != 1)) 1355cf5333d70f822d950f0c2f4bec7a8939871d9b6aVasanthakumar Thiagarajan vif->reconnect_flag = 0; 1356bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1357bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (reason != CSERV_DISCONNECT) 1358bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->user_key_ctrl = 0; 1359bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1360240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 13618c8b65e3e3b81d28d185f0a8b6543e42b50a812dVasanthakumar Thiagarajan memset(vif->bssid, 0, sizeof(vif->bssid)); 1362f74bac54a507a1b71be352d422b25cb5fd38db54Vasanthakumar Thiagarajan vif->bss_ch = 0; 1363bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1364bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_tx_data_cleanup(ar); 1365bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1366bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1367bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic int ath6kl_open(struct net_device *dev) 1368bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1369bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = ath6kl_priv(dev); 137059c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1371bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1372151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_lock_bh(&ar->lock); 1373bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 137459c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 1375bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 137659c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1377bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_carrier_on(dev); 1378bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_wake_queue(dev); 1379bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else 1380bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_carrier_off(dev); 1381bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1382151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_unlock_bh(&ar->lock); 1383bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1384bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return 0; 1385bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1386bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1387bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic int ath6kl_close(struct net_device *dev) 1388bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1389bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = ath6kl_priv(dev); 139059c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1391bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1392bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_stop_queue(dev); 1393bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1394240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_disconnect(vif); 1395bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1396bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (test_bit(WMI_READY, &ar->flag)) { 1397334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan if (ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0xFFFF, 1398334234b51453fe5def250bd60ea63b1f04a8e0d2Vasanthakumar Thiagarajan 0, 0, 0, 0, 0, 0, 0, 0, 0)) 1399bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return -EIO; 1400bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 140159c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(WLAN_ENABLED, &vif->flags); 1402bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1403bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1404240d279940ef496e9456db2287b7989f6521e2e2Vasanthakumar Thiagarajan ath6kl_cfg80211_scan_complete_event(vif, -ECANCELED); 1405bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1406bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return 0; 1407bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1408bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1409bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic struct net_device_stats *ath6kl_get_stats(struct net_device *dev) 1410bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1411b95907a744fb2afe282cebd9b58371533818fbaeVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1412bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1413b95907a744fb2afe282cebd9b58371533818fbaeVasanthakumar Thiagarajan return &vif->net_stats; 1414bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1415bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1416bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic struct net_device_ops ath6kl_netdev_ops = { 1417bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo .ndo_open = ath6kl_open, 1418bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo .ndo_stop = ath6kl_close, 1419bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo .ndo_start_xmit = ath6kl_data_tx, 1420bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo .ndo_get_stats = ath6kl_get_stats, 1421bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo}; 1422bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1423bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid init_netdev(struct net_device *dev) 1424bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1425bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo dev->netdev_ops = &ath6kl_netdev_ops; 1426bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; 1427bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1428bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo dev->needed_headroom = ETH_HLEN; 1429bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo dev->needed_headroom += sizeof(struct ath6kl_llc_snap_hdr) + 1430bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH 14311df94a8578eb099d9362cc0b84ef85015c47bbc5Vasanthakumar Thiagarajan + WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES; 1432bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1433bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1434bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1435