main.c revision de3ad7138c853fb3f5c239a40e0228bd94d583e7
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 23bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostruct ath6kl_sta *ath6kl_find_sta(struct ath6kl *ar, u8 *node_addr) 24bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 25f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan /* TODO: Findout vif */ 26f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 27bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *conn = NULL; 28bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 i, max_conn; 29bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 30f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan max_conn = (vif->nw_type == AP_NETWORK) ? AP_MAX_NUM_STA : 0; 31bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 32bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (i = 0; i < max_conn; i++) { 33bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (memcmp(node_addr, ar->sta_list[i].mac, ETH_ALEN) == 0) { 34bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo conn = &ar->sta_list[i]; 35bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 36bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 37bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 38bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 39bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return conn; 40bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 41bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 42bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostruct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid) 43bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 44bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *conn = NULL; 45bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 ctr; 46bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 47bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { 48bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (ar->sta_list[ctr].aid == aid) { 49bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo conn = &ar->sta_list[ctr]; 50bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 51bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 52bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 53bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return conn; 54bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 55bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 56bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6kl_add_new_sta(struct ath6kl *ar, u8 *mac, u16 aid, u8 *wpaie, 57bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 ielen, u8 keymgmt, u8 ucipher, u8 auth) 58bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 59bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *sta; 60bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 free_slot; 61bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 62bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo free_slot = aid - 1; 63bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 64bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta = &ar->sta_list[free_slot]; 65bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memcpy(sta->mac, mac, ETH_ALEN); 663c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (ielen <= ATH6KL_MAX_IE) 673c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen memcpy(sta->wpa_ie, wpaie, ielen); 68bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->aid = aid; 69bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->keymgmt = keymgmt; 70bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->ucipher = ucipher; 71bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->auth = auth; 72bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 73bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->sta_list_index = ar->sta_list_index | (1 << free_slot); 74bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->ap_stats.sta[free_slot].aid = cpu_to_le32(aid); 75bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 76bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 77bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6kl_sta_cleanup(struct ath6kl *ar, u8 i) 78bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 79bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *sta = &ar->sta_list[i]; 80bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 81bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* empty the queued pkts in the PS queue if any */ 82bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&sta->psq_lock); 83bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo skb_queue_purge(&sta->psq); 84bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&sta->psq_lock); 85bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 86bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(&ar->ap_stats.sta[sta->aid - 1], 0, 87bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sizeof(struct wmi_per_sta_stat)); 88bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(sta->mac, 0, ETH_ALEN); 89bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(sta->wpa_ie, 0, ATH6KL_MAX_IE); 90bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->aid = 0; 91bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta->sta_flags = 0; 92bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 93bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->sta_list_index = ar->sta_list_index & ~(1 << i); 94bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 95bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 96bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 97bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic u8 ath6kl_remove_sta(struct ath6kl *ar, u8 *mac, u16 reason) 98bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 99bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 i, removed = 0; 100bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 101bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (is_zero_ether_addr(mac)) 102bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return removed; 103bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 104bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (is_broadcast_ether_addr(mac)) { 105bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "deleting all station\n"); 106bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 107bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 108bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!is_zero_ether_addr(ar->sta_list[i].mac)) { 109bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_sta_cleanup(ar, i); 110bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo removed = 1; 111bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 112bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 113bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else { 114bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (i = 0; i < AP_MAX_NUM_STA; i++) { 115bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (memcmp(ar->sta_list[i].mac, mac, ETH_ALEN) == 0) { 116bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 117bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo "deleting station %pM aid=%d reason=%d\n", 118bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo mac, ar->sta_list[i].aid, reason); 119bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_sta_cleanup(ar, i); 120bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo removed = 1; 121bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 122bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 123bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 124bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 125bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 126bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return removed; 127bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 128bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 129bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valoenum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac) 130bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 131bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = devt; 132bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return ar->ac2ep_map[ac]; 133bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 134bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 135bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostruct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar) 136bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 137bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_cookie *cookie; 138bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 139bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cookie = ar->cookie_list; 140bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cookie != NULL) { 141bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_list = cookie->arc_list_next; 142bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_count--; 143bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 144bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 145bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return cookie; 146bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 147bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 148bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_cookie_init(struct ath6kl *ar) 149bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 150bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u32 i; 151bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 152bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_list = NULL; 153bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_count = 0; 154bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 155bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(ar->cookie_mem, 0, sizeof(ar->cookie_mem)); 156bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 157bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (i = 0; i < MAX_COOKIE_NUM; i++) 158bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_free_cookie(ar, &ar->cookie_mem[i]); 159bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 160bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 161bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_cookie_cleanup(struct ath6kl *ar) 162bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 163bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_list = NULL; 164bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_count = 0; 165bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 166bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 167bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie) 168bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 169bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* Insert first */ 170bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 171bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!ar || !cookie) 172bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 173bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 174bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cookie->arc_list_next = ar->cookie_list; 175bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_list = cookie; 176bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->cookie_count++; 177bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 178bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 179bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* set the window address register (using 4-byte register access ). */ 180bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic int ath6kl_set_addrwin_reg(struct ath6kl *ar, u32 reg_addr, u32 addr) 181bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 182bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int status; 183bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo s32 i; 184b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan __le32 addr_val; 185bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 186bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 187bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Write bytes 1,2,3 of the register to set the upper address bytes, 188bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * the LSB is written last to initiate the access cycle 189bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 190bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 191bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (i = 1; i <= 3; i++) { 192bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 193bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Fill the buffer with the address byte value we want to 194b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan * hit 4 times. No need to worry about endianness as the 195b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan * same byte is copied to all four bytes of addr_val at 196b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan * any time. 197bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 198b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan memset((u8 *)&addr_val, ((u8 *)&addr)[i], 4); 199bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 200bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 201bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Hit each byte of the register address with a 4-byte 202bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * write operation to the same address, this is a harmless 203bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * operation. 204bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 205b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan status = hif_read_write_sync(ar, reg_addr + i, (u8 *)&addr_val, 206bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 4, HIF_WR_SYNC_BYTE_FIX); 207bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (status) 208bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 209bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 210bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 211bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (status) { 212bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_err("failed to write initial bytes of 0x%x to window reg: 0x%X\n", 213bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo addr, reg_addr); 214bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return status; 215bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 216bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 217bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 218bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Write the address register again, this time write the whole 219bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 4-byte value. The effect here is that the LSB write causes the 220bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * cycle to start, the extra 3 byte write to bytes 1,2,3 has no 221bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * effect since we are writing the same values again 222bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 223b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan addr_val = cpu_to_le32(addr); 224b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan status = hif_read_write_sync(ar, reg_addr, 225b142b91401b8e39671db74bd4fe89f281f4c2978Vasanthakumar Thiagarajan (u8 *)&(addr_val), 226bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 4, HIF_WR_SYNC_BYTE_INC); 227bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 228bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (status) { 229bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_err("failed to write 0x%x to window reg: 0x%X\n", 230bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo addr, reg_addr); 231bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return status; 232bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 233bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 234bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return 0; 235bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 236bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 237bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* 238addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo * Read from the hardware through its diagnostic window. No cooperation 239addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo * from the firmware is required for this. 240bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 241addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valoint ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value) 242bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 243addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo int ret; 244bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 245bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* set window register to start read cycle */ 246addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret = ath6kl_set_addrwin_reg(ar, WINDOW_READ_ADDR_ADDRESS, address); 247addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (ret) 248addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return ret; 249bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 250bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* read the data */ 251addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret = hif_read_write_sync(ar, WINDOW_DATA_ADDRESS, (u8 *) value, 252addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo sizeof(*value), HIF_RD_SYNC_BYTE_INC); 253addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (ret) { 254addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ath6kl_warn("failed to read32 through diagnose window: %d\n", 255addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret); 256addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return ret; 257bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 258bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 259addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return 0; 260bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 261bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 262bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* 263bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Write to the ATH6KL through its diagnostic window. No cooperation from 264bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * the Target is required for this. 265bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 266f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajanint ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value) 267bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 268addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo int ret; 269bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 270bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* set write data */ 271addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret = hif_read_write_sync(ar, WINDOW_DATA_ADDRESS, (u8 *) &value, 272addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo sizeof(value), HIF_WR_SYNC_BYTE_INC); 273addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (ret) { 274addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ath6kl_err("failed to write 0x%x during diagnose window to 0x%d\n", 275addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo address, value); 276addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return ret; 277bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 278bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 279bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* set window register, which starts the write cycle */ 280bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return ath6kl_set_addrwin_reg(ar, WINDOW_WRITE_ADDR_ADDRESS, 281addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo address); 282bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 283bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 284addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valoint ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length) 285bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 286addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo u32 count, *buf = data; 287addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo int ret; 288bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 289addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (WARN_ON(length % 4)) 290addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return -EINVAL; 291addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo 292addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo for (count = 0; count < length / 4; count++, address += 4) { 293addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret = ath6kl_diag_read32(ar, address, &buf[count]); 294addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (ret) 295addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return ret; 296bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 297bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 298addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return 0; 299addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo} 300addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo 301addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valoint ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length) 302addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo{ 303f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajan u32 count; 304f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajan __le32 *buf = data; 305addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo int ret; 306addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo 307addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (WARN_ON(length % 4)) 308addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return -EINVAL; 309addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo 310addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo for (count = 0; count < length / 4; count++, address += 4) { 311addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo ret = ath6kl_diag_write32(ar, address, buf[count]); 312addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo if (ret) 313addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return ret; 314addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo } 315addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo 316addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo return 0; 317bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 318bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 319bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valoint ath6kl_read_fwlogs(struct ath6kl *ar) 320bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo{ 321bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo struct ath6kl_dbglog_hdr debug_hdr; 322bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo struct ath6kl_dbglog_buf debug_buf; 323bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo u32 address, length, dropped, firstbuf, debug_hdr_addr; 324bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo int ret = 0, loop; 325bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo u8 *buf; 326bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 327bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo buf = kmalloc(ATH6KL_FWLOG_PAYLOAD_SIZE, GFP_KERNEL); 328bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (!buf) 329bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo return -ENOMEM; 330bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 331bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo address = TARG_VTOP(ar->target_type, 332bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_get_hi_item_addr(ar, 333bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo HI_ITEM(hi_dbglog_hdr))); 334bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 335bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ret = ath6kl_diag_read32(ar, address, &debug_hdr_addr); 336bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (ret) 337bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo goto out; 338bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 339bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo /* Get the contents of the ring buffer */ 340bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (debug_hdr_addr == 0) { 341bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_warn("Invalid address for debug_hdr_addr\n"); 342bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ret = -EINVAL; 343bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo goto out; 344bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo } 345bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 346bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo address = TARG_VTOP(ar->target_type, debug_hdr_addr); 347bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_diag_read(ar, address, &debug_hdr, sizeof(debug_hdr)); 348bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 349bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo address = TARG_VTOP(ar->target_type, 350bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo le32_to_cpu(debug_hdr.dbuf_addr)); 351bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo firstbuf = address; 352bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo dropped = le32_to_cpu(debug_hdr.dropped); 353bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 354bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 355bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo loop = 100; 356bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 357bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo do { 358bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo address = TARG_VTOP(ar->target_type, 359bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo le32_to_cpu(debug_buf.buffer_addr)); 360bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo length = le32_to_cpu(debug_buf.length); 361bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 362bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (length != 0 && (le32_to_cpu(debug_buf.length) <= 363bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo le32_to_cpu(debug_buf.bufsize))) { 364bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo length = ALIGN(length, 4); 365bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 366bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ret = ath6kl_diag_read(ar, address, 367bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo buf, length); 368bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (ret) 369bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo goto out; 370bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 371bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_debug_fwlog_event(ar, buf, length); 372bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo } 373bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 374bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo address = TARG_VTOP(ar->target_type, 375bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo le32_to_cpu(debug_buf.next)); 376bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); 377bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (ret) 378bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo goto out; 379bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 380bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo loop--; 381bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 382bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo if (WARN_ON(loop == 0)) { 383bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo ret = -ETIMEDOUT; 384bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo goto out; 385bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo } 386bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo } while (address != firstbuf); 387bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 388bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valoout: 389bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo kfree(buf); 390bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 391bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo return ret; 392bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo} 393bc07ddb29a7b71ad009bcd84bee4c93908cf22b6Kalle Valo 39431024d99003486c90c793dea58b55f7920f0488bKevin Fang/* FIXME: move to a better place, target.h? */ 39531024d99003486c90c793dea58b55f7920f0488bKevin Fang#define AR6003_RESET_CONTROL_ADDRESS 0x00004000 39631024d99003486c90c793dea58b55f7920f0488bKevin Fang#define AR6004_RESET_CONTROL_ADDRESS 0x00004000 39731024d99003486c90c793dea58b55f7920f0488bKevin Fang 398bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6kl_reset_device(struct ath6kl *ar, u32 target_type, 399bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo bool wait_fot_compltn, bool cold_reset) 400bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 401bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int status = 0; 402bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u32 address; 403f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajan __le32 data; 404bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 40531024d99003486c90c793dea58b55f7920f0488bKevin Fang if (target_type != TARGET_TYPE_AR6003 && 40631024d99003486c90c793dea58b55f7920f0488bKevin Fang target_type != TARGET_TYPE_AR6004) 407bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 408bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 409f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajan data = cold_reset ? cpu_to_le32(RESET_CONTROL_COLD_RST) : 410f9ea0753a18448a5e92369317b6ac061fe1275bfVasanthakumar Thiagarajan cpu_to_le32(RESET_CONTROL_MBOX_RST); 411bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 41231024d99003486c90c793dea58b55f7920f0488bKevin Fang switch (target_type) { 41331024d99003486c90c793dea58b55f7920f0488bKevin Fang case TARGET_TYPE_AR6003: 41431024d99003486c90c793dea58b55f7920f0488bKevin Fang address = AR6003_RESET_CONTROL_ADDRESS; 41531024d99003486c90c793dea58b55f7920f0488bKevin Fang break; 41631024d99003486c90c793dea58b55f7920f0488bKevin Fang case TARGET_TYPE_AR6004: 41731024d99003486c90c793dea58b55f7920f0488bKevin Fang address = AR6004_RESET_CONTROL_ADDRESS; 41831024d99003486c90c793dea58b55f7920f0488bKevin Fang break; 41931024d99003486c90c793dea58b55f7920f0488bKevin Fang default: 42031024d99003486c90c793dea58b55f7920f0488bKevin Fang address = AR6003_RESET_CONTROL_ADDRESS; 42131024d99003486c90c793dea58b55f7920f0488bKevin Fang break; 42231024d99003486c90c793dea58b55f7920f0488bKevin Fang } 42331024d99003486c90c793dea58b55f7920f0488bKevin Fang 424addb44be036dd5fc814be770ec4b90f08c820e76Kalle Valo status = ath6kl_diag_write32(ar, address, data); 425bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 426bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (status) 427bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_err("failed to reset target\n"); 428bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 429bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 430bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_stop_endpoint(struct net_device *dev, bool keep_profile, 431bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo bool get_dbglogs) 432bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 433bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = ath6kl_priv(dev); 43459c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 435bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 436bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo bool discon_issued; 437bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 438bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_stop_queue(dev); 439bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 440bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* disable the target and the interrupts associated with it */ 441bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (test_bit(WMI_READY, &ar->flag)) { 44259c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan discon_issued = (test_bit(CONNECTED, &vif->flags) || 44359c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)); 444bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_disconnect(ar); 445bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!keep_profile) 446bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_init_profile_info(ar); 447bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 448de3ad7138c853fb3f5c239a40e0228bd94d583e7Vasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 449bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 450bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo clear_bit(WMI_READY, &ar->flag); 451bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_shutdown(ar->wmi); 452bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo clear_bit(WMI_ENABLED, &ar->flag); 453bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->wmi = NULL; 454bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 455bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 456bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * After wmi_shudown all WMI events will be dropped. We 457bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * need to cleanup the buffers allocated in AP mode and 458bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * give disconnect notification to stack, which usually 459bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * happens in the disconnect_event. Simulate the disconnect 460bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * event by calling the function directly. Sometimes 461bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * disconnect_event will be received when the debug logs 462bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * are collected. 463bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 464bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (discon_issued) 465bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_disconnect_event(ar, DISCONNECT_CMD, 466f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan (vif->nw_type & AP_NETWORK) ? 4678c8b65e3e3b81d28d185f0a8b6543e42b50a812dVasanthakumar Thiagarajan bcast_mac : vif->bssid, 468bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 0, NULL, 0); 469bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 470bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->user_key_ctrl = 0; 471bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 472bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else { 473bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 474bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo "%s: wmi is not ready 0x%p 0x%p\n", 475bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo __func__, ar, ar->wmi); 476bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 477bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* Shut down WMI if we have started it */ 478bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (test_bit(WMI_ENABLED, &ar->flag)) { 479bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 480bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo "%s: shut down wmi\n", __func__); 481bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_shutdown(ar->wmi); 482bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo clear_bit(WMI_ENABLED, &ar->flag); 483bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->wmi = NULL; 484bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 485bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 486bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 487bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (ar->htc_target) { 488bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "%s: shut down htc\n", __func__); 489ad226ec22b92d7f0f834015149b1d1118e017f16Kalle Valo ath6kl_htc_stop(ar->htc_target); 490bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 491bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 492bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 493bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Try to reset the device if we can. The driver may have been 494bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * configure NOT to reset the target during a debug session. 495bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 496bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 497bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo "attempting to reset target on instance destroy\n"); 498bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_reset_device(ar, ar->target_type, true, true); 499bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 500bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 501bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6kl_install_static_wep_keys(struct ath6kl *ar) 502bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 5033450334f392bca1fccbf04a90020161ec4404a1eVasanthakumar Thiagarajan /* TODO: Findout vif */ 5043450334f392bca1fccbf04a90020161ec4404a1eVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 505bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 index; 506bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 keyusage; 507bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 508bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (index = WMI_MIN_KEY_INDEX; index <= WMI_MAX_KEY_INDEX; index++) { 5096f2a73f9e5c7013e14cf898fead81a363cdf0548Vasanthakumar Thiagarajan if (vif->wep_key_list[index].key_len) { 510bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo keyusage = GROUP_USAGE; 5113450334f392bca1fccbf04a90020161ec4404a1eVasanthakumar Thiagarajan if (index == vif->def_txkey_index) 512bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo keyusage |= TX_USAGE; 513bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 514bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_addkey_cmd(ar->wmi, 515bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo index, 516bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo WEP_CRYPT, 517bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo keyusage, 5186f2a73f9e5c7013e14cf898fead81a363cdf0548Vasanthakumar Thiagarajan vif->wep_key_list[index].key_len, 519bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo NULL, 5206f2a73f9e5c7013e14cf898fead81a363cdf0548Vasanthakumar Thiagarajan vif->wep_key_list[index].key, 521bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo KEY_OP_INIT_VAL, NULL, 522bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo NO_SYNC_WMIFLAG); 523bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 524bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 525bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 526bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 527572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinenvoid ath6kl_connect_ap_mode_bss(struct ath6kl *ar, u16 channel) 528bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 529bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_req_key *ik; 5309a5b13182cc10d693c55a5c02d753e54514b9bfcJouni Malinen int res; 5319a5b13182cc10d693c55a5c02d753e54514b9bfcJouni Malinen u8 key_rsc[ATH6KL_KEY_SEQ_LEN]; 53259c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan /* TODO: Pass vif instead of taking it from ar */ 53359c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 534bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 535572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ik = &ar->ap_mode_bkey; 536bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 537572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "AP mode started on %u MHz\n", channel); 5389a5b13182cc10d693c55a5c02d753e54514b9bfcJouni Malinen 5393450334f392bca1fccbf04a90020161ec4404a1eVasanthakumar Thiagarajan switch (vif->auth_mode) { 540572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen case NONE_AUTH: 5413450334f392bca1fccbf04a90020161ec4404a1eVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 542572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_install_static_wep_keys(ar); 543572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen break; 544572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen case WPA_PSK_AUTH: 545572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen case WPA2_PSK_AUTH: 546572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen case (WPA_PSK_AUTH | WPA2_PSK_AUTH): 547572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen if (!ik->valid) 548bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 5499a5b13182cc10d693c55a5c02d753e54514b9bfcJouni Malinen 550572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed addkey for " 551572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen "the initial group key for AP mode\n"); 552572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen memset(key_rsc, 0, sizeof(key_rsc)); 553572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen res = ath6kl_wmi_addkey_cmd( 554572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ar->wmi, ik->key_index, ik->key_type, 555572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen GROUP_USAGE, ik->key_len, key_rsc, ik->key, 556572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen KEY_OP_INIT_VAL, NULL, SYNC_BOTH_WMIFLAG); 557572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen if (res) { 558572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delayed " 559572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen "addkey failed: %d\n", res); 560bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 561572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen break; 562bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 563bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 564572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_wmi_bssfilter_cmd(ar->wmi, NONE_BSS_FILTER, 0); 56559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 566572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen netif_carrier_on(ar->net_dev); 567572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen} 568572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen 569572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinenvoid ath6kl_connect_ap_mode_sta(struct ath6kl *ar, u16 aid, u8 *mac_addr, 570572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen u8 keymgmt, u8 ucipher, u8 auth, 571572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen u8 assoc_req_len, u8 *assoc_info) 572572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen{ 573572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen u8 *ies = NULL, *wpa_ie = NULL, *pos; 574572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen size_t ies_len = 0; 575572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen struct station_info sinfo; 576572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen 577572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_dbg(ATH6KL_DBG_TRC, "new station %pM aid=%d\n", mac_addr, aid); 578bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 5793c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (assoc_req_len > sizeof(struct ieee80211_hdr_3addr)) { 5803c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen struct ieee80211_mgmt *mgmt = 5813c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen (struct ieee80211_mgmt *) assoc_info; 5823c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (ieee80211_is_assoc_req(mgmt->frame_control) && 5833c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) + 5843c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen sizeof(mgmt->u.assoc_req)) { 5853c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen ies = mgmt->u.assoc_req.variable; 5863c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 5873c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } else if (ieee80211_is_reassoc_req(mgmt->frame_control) && 5883c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen assoc_req_len >= sizeof(struct ieee80211_hdr_3addr) 5893c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen + sizeof(mgmt->u.reassoc_req)) { 5903c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen ies = mgmt->u.reassoc_req.variable; 5913c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen ies_len = assoc_info + assoc_req_len - ies; 5923c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } 5933c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } 5943c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen 5953c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen pos = ies; 5963c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen while (pos && pos + 1 < ies + ies_len) { 5973c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 5983c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen break; 5993c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (pos[0] == WLAN_EID_RSN) 6003c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen wpa_ie = pos; /* RSN IE */ 6013c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen else if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 6023c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen pos[1] >= 4 && 6033c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2) { 6043c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen if (pos[5] == 0x01) 6053c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen wpa_ie = pos; /* WPA IE */ 6063c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen else if (pos[5] == 0x04) { 6073c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen wpa_ie = pos; /* WPS IE */ 6083c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen break; /* overrides WPA/RSN IE */ 6093c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } 6103c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } 6113c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen pos += 2 + pos[1]; 6123c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen } 6133c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen 614572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen ath6kl_add_new_sta(ar, mac_addr, aid, wpa_ie, 6153c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen wpa_ie ? 2 + wpa_ie[1] : 0, 616572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen keymgmt, ucipher, auth); 617bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 618bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* send event to application */ 619bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(&sinfo, 0, sizeof(sinfo)); 620bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 621bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* TODO: sinfo.generation */ 6223c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen 6233c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen sinfo.assoc_req_ies = ies; 6243c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen sinfo.assoc_req_ies_len = ies_len; 6253c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen sinfo.filled |= STATION_INFO_ASSOC_REQ_IES; 6263c774bbab78435e349de2c88fc6e054716f8f2eaJouni Malinen 627572e27c00c9d1250ae2b4951eae7e73992174138Jouni Malinen cfg80211_new_sta(ar->net_dev, mac_addr, &sinfo, GFP_KERNEL); 628bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 629bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_wake_queue(ar->net_dev); 630bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 631bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 632bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* Functions for Tx credit handling */ 633bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6k_credit_init(struct htc_credit_state_info *cred_info, 634bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct list_head *ep_list, 635bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int tot_credits) 636bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 637bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *cur_ep_dist; 638bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int count; 639bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 640bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cred_info->cur_free_credits = tot_credits; 641bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cred_info->total_avail_credits = tot_credits; 642bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 643bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list_for_each_entry(cur_ep_dist, ep_list, list) { 644bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_ep_dist->endpoint == ENDPOINT_0) 645bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo continue; 646bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 647bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_min = cur_ep_dist->cred_per_msg; 648bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 649bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (tot_credits > 4) 650bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((cur_ep_dist->svc_id == WMI_DATA_BK_SVC) || 651bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (cur_ep_dist->svc_id == WMI_DATA_BE_SVC)) { 652bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_deposit_credit_to_ep(cred_info, 653bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist, 654bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_min); 655bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->dist_flags |= HTC_EP_ACTIVE; 656bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 657bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 658bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_ep_dist->svc_id == WMI_CONTROL_SVC) { 659bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_deposit_credit_to_ep(cred_info, cur_ep_dist, 660bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_min); 661bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 662bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Control service is always marked active, it 663bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * never goes inactive EVER. 664bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 665bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->dist_flags |= HTC_EP_ACTIVE; 666bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else if (cur_ep_dist->svc_id == WMI_DATA_BK_SVC) 667bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* this is the lowest priority data endpoint */ 668bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cred_info->lowestpri_ep_dist = cur_ep_dist->list; 669bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 670bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 671bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Streams have to be created (explicit | implicit) for all 672bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * kinds of traffic. BE endpoints are also inactive in the 673bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * beginning. When BE traffic starts it creates implicit 674bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * streams that redistributes credits. 675bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 676bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Note: all other endpoints have minimums set but are 677bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * initially given NO credits. credits will be distributed 678bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * as traffic activity demands 679bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 680bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 681bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 682bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo WARN_ON(cred_info->cur_free_credits <= 0); 683bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 684bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list_for_each_entry(cur_ep_dist, ep_list, list) { 685bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_ep_dist->endpoint == ENDPOINT_0) 686bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo continue; 687bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 688bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_ep_dist->svc_id == WMI_CONTROL_SVC) 689bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_norm = cur_ep_dist->cred_per_msg; 690bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo else { 691bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 692bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * For the remaining data endpoints, we assume that 693bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * each cred_per_msg are the same. We use a simple 694bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * calculation here, we take the remaining credits 695bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * and determine how many max messages this can 696bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * cover and then set each endpoint's normal value 697bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * equal to 3/4 this amount. 698bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 699bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo count = (cred_info->cur_free_credits / 700bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_per_msg) 701bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * cur_ep_dist->cred_per_msg; 702bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo count = (count * 3) >> 2; 703bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo count = max(count, cur_ep_dist->cred_per_msg); 704bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_ep_dist->cred_norm = count; 705bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 706bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 707bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 708bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 709bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 710bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* initialize and setup credit distribution */ 711bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valoint ath6k_setup_credit_dist(void *htc_handle, 712bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_credit_state_info *cred_info) 713bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 714bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u16 servicepriority[5]; 715bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 716bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(cred_info, 0, sizeof(struct htc_credit_state_info)); 717bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 718bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo servicepriority[0] = WMI_CONTROL_SVC; /* highest */ 719bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo servicepriority[1] = WMI_DATA_VO_SVC; 720bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo servicepriority[2] = WMI_DATA_VI_SVC; 721bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo servicepriority[3] = WMI_DATA_BE_SVC; 722bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo servicepriority[4] = WMI_DATA_BK_SVC; /* lowest */ 723bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 724bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* set priority list */ 725ad226ec22b92d7f0f834015149b1d1118e017f16Kalle Valo ath6kl_htc_set_credit_dist(htc_handle, cred_info, servicepriority, 5); 726bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 727bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return 0; 728bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 729bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 730bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* reduce an ep's credits back to a set limit */ 731bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6k_reduce_credits(struct htc_credit_state_info *cred_info, 732bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *ep_dist, 733bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int limit) 734bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 735bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int credits; 736bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 737bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ep_dist->cred_assngd = limit; 738bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 739bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (ep_dist->credits <= limit) 740bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 741bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 742bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo credits = ep_dist->credits - limit; 743bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ep_dist->credits -= credits; 744bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cred_info->cur_free_credits += credits; 745bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 746bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 747bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6k_credit_update(struct htc_credit_state_info *cred_info, 748bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct list_head *epdist_list) 749bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 750bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *cur_dist_list; 751bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 752bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list_for_each_entry(cur_dist_list, epdist_list, list) { 753bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_dist_list->endpoint == ENDPOINT_0) 754bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo continue; 755bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 756bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_dist_list->cred_to_dist > 0) { 757bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->credits += 758bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_to_dist; 759bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_to_dist = 0; 760bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_dist_list->credits > 761bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_assngd) 762bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(cred_info, 763bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list, 764bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_assngd); 765bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 766bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_dist_list->credits > 767bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_norm) 768bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(cred_info, cur_dist_list, 769bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list->cred_norm); 770bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 771bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!(cur_dist_list->dist_flags & HTC_EP_ACTIVE)) { 772bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cur_dist_list->txq_depth == 0) 773bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(cred_info, 774bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cur_dist_list, 0); 775bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 776bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 777bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 778bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 779bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 780bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* 781bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * HTC has an endpoint that needs credits, ep_dist is the endpoint in 782bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * question. 783bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 784bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6k_seek_credits(struct htc_credit_state_info *cred_info, 785bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *ep_dist) 786bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 787bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *curdist_list; 788bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int credits = 0; 789bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo int need; 790bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 791bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (ep_dist->svc_id == WMI_CONTROL_SVC) 792bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo goto out; 793bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 794bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((ep_dist->svc_id == WMI_DATA_VI_SVC) || 795bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (ep_dist->svc_id == WMI_DATA_VO_SVC)) 796bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((ep_dist->cred_assngd >= ep_dist->cred_norm)) 797bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo goto out; 798bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 799bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 800bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * For all other services, we follow a simple algorithm of: 801bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 802bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 1. checking the free pool for credits 803bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 2. checking lower priority endpoints for credits to take 804bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 805bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 806bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo credits = min(cred_info->cur_free_credits, ep_dist->seek_cred); 807bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 808bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (credits >= ep_dist->seek_cred) 809bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo goto out; 810bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 811bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 812bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * We don't have enough in the free pool, try taking away from 813bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * lower priority services The rule for taking away credits: 814bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 815bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 1. Only take from lower priority endpoints 816bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 2. Only take what is allocated above the minimum (never 817bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * starve an endpoint completely) 818bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 3. Only take what you need. 819bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 820bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 821bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list_for_each_entry_reverse(curdist_list, 822bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo &cred_info->lowestpri_ep_dist, 823bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list) { 824bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (curdist_list == ep_dist) 825bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 826bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 827bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo need = ep_dist->seek_cred - cred_info->cur_free_credits; 828bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 829bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((curdist_list->cred_assngd - need) >= 830bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list->cred_min) { 831bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 832bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * The current one has been allocated more than 833bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * it's minimum and it has enough credits assigned 834bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * above it's minimum to fulfill our need try to 835bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * take away just enough to fulfill our need. 836bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 837bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(cred_info, curdist_list, 838bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list->cred_assngd - need); 839bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 840bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (cred_info->cur_free_credits >= 841bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ep_dist->seek_cred) 842bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 843bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 844bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 845bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (curdist_list->endpoint == ENDPOINT_0) 846bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 847bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 848bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 849bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo credits = min(cred_info->cur_free_credits, ep_dist->seek_cred); 850bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 851bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valoout: 852bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* did we find some credits? */ 853bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (credits) 854bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_deposit_credit_to_ep(cred_info, ep_dist, credits); 855bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 856bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ep_dist->seek_cred = 0; 857bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 858bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 859bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* redistribute credits based on activity change */ 860bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6k_redistribute_credits(struct htc_credit_state_info *info, 861bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct list_head *ep_dist_list) 862bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 863bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct htc_endpoint_credit_dist *curdist_list; 864bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 865bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo list_for_each_entry(curdist_list, ep_dist_list, list) { 866bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (curdist_list->endpoint == ENDPOINT_0) 867bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo continue; 868bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 869bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((curdist_list->svc_id == WMI_DATA_BK_SVC) || 870bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (curdist_list->svc_id == WMI_DATA_BE_SVC)) 871bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list->dist_flags |= HTC_EP_ACTIVE; 872bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 873bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((curdist_list->svc_id != WMI_CONTROL_SVC) && 874bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo !(curdist_list->dist_flags & HTC_EP_ACTIVE)) { 875bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (curdist_list->txq_depth == 0) 876bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(info, 877bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list, 0); 878bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo else 879bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_reduce_credits(info, 880bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list, 881bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo curdist_list->cred_min); 882bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 883bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 884bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 885bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 886bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* 887bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * 888bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * This function is invoked whenever endpoints require credit 889bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * distributions. A lock is held while this function is invoked, this 890bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * function shall NOT block. The ep_dist_list is a list of distribution 891bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * structures in prioritized order as defined by the call to the 892bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * htc_set_credit_dist() api. 893bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 894bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6k_credit_distribute(struct htc_credit_state_info *cred_info, 895bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct list_head *ep_dist_list, 896bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo enum htc_credit_dist_reason reason) 897bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 898bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo switch (reason) { 899bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo case HTC_CREDIT_DIST_SEND_COMPLETE: 900bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_credit_update(cred_info, ep_dist_list); 901bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 902bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo case HTC_CREDIT_DIST_ACTIVITY_CHANGE: 903bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6k_redistribute_credits(cred_info, ep_dist_list); 904bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 905bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo default: 906bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo break; 907bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 908bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 909bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo WARN_ON(cred_info->cur_free_credits > cred_info->total_avail_credits); 910bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo WARN_ON(cred_info->cur_free_credits < 0); 911bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 912bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 913bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid disconnect_timer_handler(unsigned long ptr) 914bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 915bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct net_device *dev = (struct net_device *)ptr; 916bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = ath6kl_priv(dev); 917bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 918bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_init_profile_info(ar); 919bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_disconnect(ar); 920bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 921bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 922bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_disconnect(struct ath6kl *ar) 923bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 92459c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan /* TODO: Pass vif instead of taking it from ar */ 92559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 92659c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan 92759c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) || 92859c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) { 929bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_disconnect_cmd(ar->wmi); 930bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 931bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Disconnect command is issued, clear the connect pending 932bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * flag. The connected flag will be cleared in 933bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * disconnect event notification. 934bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 93559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 936bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 937bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 938bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 939abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valovoid ath6kl_deep_sleep_enable(struct ath6kl *ar) 940abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo{ 94159c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan /* TODO: Pass vif instead of taking it from ar */ 94259c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 94359c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan 944abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo switch (ar->sme_state) { 945abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo case SME_CONNECTING: 9468c8b65e3e3b81d28d185f0a8b6543e42b50a812dVasanthakumar Thiagarajan cfg80211_connect_result(ar->net_dev, vif->bssid, NULL, 0, 947abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo NULL, 0, 948abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 949abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo GFP_KERNEL); 950abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo break; 951abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo case SME_CONNECTED: 952abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo default: 953abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo /* 954abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo * FIXME: oddly enough smeState is in DISCONNECTED during 955abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo * suspend, why? Need to send disconnected event in that 956abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo * state. 957abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo */ 958abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo cfg80211_disconnected(ar->net_dev, 0, NULL, 0, GFP_KERNEL); 959abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo break; 960abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo } 961abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo 96259c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) || 96359c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags)) 964abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo ath6kl_wmi_disconnect_cmd(ar->wmi); 965abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo 966abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo ar->sme_state = SME_DISCONNECTED; 967abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo 968abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo /* disable scanning */ 969abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo if (ath6kl_wmi_scanparams_cmd(ar->wmi, 0xFFFF, 0, 0, 0, 0, 0, 0, 0, 970abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo 0, 0) != 0) 971abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo printk(KERN_WARNING "ath6kl: failed to disable scan " 972abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo "during suspend\n"); 973abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo 974abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo ath6kl_cfg80211_scan_complete_event(ar, -ECANCELED); 975aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng 976aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng /* save the current power mode before enabling power save */ 977aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 978aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng 979aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng if (ath6kl_wmi_powermode_cmd(ar->wmi, REC_POWER) != 0) 980aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng ath6kl_warn("ath6kl_deep_sleep_enable: " 981aa6cffc1a275a9369ca83e13cebc4b09e4f23954Chilam Ng "wmi_powermode_cmd failed\n"); 982abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo} 983abcb344b3b823c8c9eac6e13e45a53eaf1d5d00bKalle Valo 984bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo/* WMI Event handlers */ 985bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 986bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic const char *get_hw_id_string(u32 id) 987bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 988bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo switch (id) { 989bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo case AR6003_REV1_VERSION: 990bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return "1.0"; 991bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo case AR6003_REV2_VERSION: 992bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return "2.0"; 993bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo case AR6003_REV3_VERSION: 994bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return "2.1.1"; 995bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo default: 996bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return "unknown"; 997bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 998bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 999bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1000bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver) 1001bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1002bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = devt; 1003bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct net_device *dev = ar->net_dev; 1004bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1005bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memcpy(dev->dev_addr, datap, ETH_ALEN); 1006bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "%s: mac addr = %pM\n", 1007bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo __func__, dev->dev_addr); 1008bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1009bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->version.wlan_ver = sw_ver; 1010bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->version.abi_ver = abi_ver; 1011bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1012be98e3a48cb9b9e63da8537a378f656af2a9f2c6Vasanthakumar Thiagarajan snprintf(ar->wiphy->fw_version, 1013be98e3a48cb9b9e63da8537a378f656af2a9f2c6Vasanthakumar Thiagarajan sizeof(ar->wiphy->fw_version), 1014bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo "%u.%u.%u.%u", 1015bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (ar->version.wlan_ver & 0xf0000000) >> 28, 1016bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (ar->version.wlan_ver & 0x0f000000) >> 24, 1017bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (ar->version.wlan_ver & 0x00ff0000) >> 16, 1018bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (ar->version.wlan_ver & 0x0000ffff)); 1019bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1020bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* indicate to the waiting thread that the ready event was received */ 1021bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo set_bit(WMI_READY, &ar->flag); 1022bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo wake_up(&ar->event_wq); 1023bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1024003353b0d27489228eff79447d0731687cea0207Kalle Valo ath6kl_info("hw %s fw %s%s\n", 1025be98e3a48cb9b9e63da8537a378f656af2a9f2c6Vasanthakumar Thiagarajan get_hw_id_string(ar->wiphy->hw_version), 1026be98e3a48cb9b9e63da8537a378f656af2a9f2c6Vasanthakumar Thiagarajan ar->wiphy->fw_version, 1027003353b0d27489228eff79447d0731687cea0207Kalle Valo test_bit(TESTMODE, &ar->flag) ? " testmode" : ""); 1028bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1029bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1030bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_scan_complete_evt(struct ath6kl *ar, int status) 1031bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 103259c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan /* TODO: Pass vif instead of taking it from ar */ 103359c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 103459c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan 1035bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_cfg80211_scan_complete_event(ar, status); 1036bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1037551185ca0a97a11917edc3ad8e11d68912795902Jouni Malinen if (!ar->usr_bss_filter) { 103859c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 1039bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_bssfilter_cmd(ar->wmi, NONE_BSS_FILTER, 0); 1040551185ca0a97a11917edc3ad8e11d68912795902Jouni Malinen } 1041bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1042bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_SCAN, "scan complete: %d\n", status); 1043bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1044bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1045bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_connect_event(struct ath6kl *ar, u16 channel, u8 *bssid, 1046bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u16 listen_int, u16 beacon_int, 1047bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo enum network_type net_type, u8 beacon_ie_len, 1048bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 assoc_req_len, u8 assoc_resp_len, 1049bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 *assoc_info) 1050bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 105159c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan /* TODO: findout vif instead of taking it from ar */ 105259c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 105359c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan 1054bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_cfg80211_connect_event(ar, channel, bssid, 1055bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo listen_int, beacon_int, 1056bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo net_type, beacon_ie_len, 1057bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo assoc_req_len, assoc_resp_len, 1058bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo assoc_info); 1059bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 10608c8b65e3e3b81d28d185f0a8b6543e42b50a812dVasanthakumar Thiagarajan memcpy(vif->bssid, bssid, sizeof(vif->bssid)); 1061f74bac54a507a1b71be352d422b25cb5fd38db54Vasanthakumar Thiagarajan vif->bss_ch = channel; 1062bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1063f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan if ((vif->nw_type == INFRA_NETWORK)) 1064bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_listeninterval_cmd(ar->wmi, ar->listen_intvl_t, 1065bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->listen_intvl_b); 1066bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1067bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_wake_queue(ar->net_dev); 1068bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1069bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* Update connect & link status atomically */ 1070151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_lock_bh(&ar->lock); 107159c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 107259c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 1073bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_carrier_on(ar->net_dev); 1074151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_unlock_bh(&ar->lock); 1075bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 10762132c69cb9efaf2b7300f6da916ab5f96c9c95b7Vasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt); 1077bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->reconnect_flag = 0; 1078bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1079f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan if ((vif->nw_type == ADHOC_NETWORK) && ar->ibss_ps_enable) { 1080bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(ar->node_map, 0, sizeof(ar->node_map)); 1081bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->node_num = 0; 1082bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->next_ep_id = ENDPOINT_2; 1083bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1084bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1085551185ca0a97a11917edc3ad8e11d68912795902Jouni Malinen if (!ar->usr_bss_filter) { 108659c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 1087551185ca0a97a11917edc3ad8e11d68912795902Jouni Malinen ath6kl_wmi_bssfilter_cmd(ar->wmi, CURRENT_BSS_FILTER, 0); 1088551185ca0a97a11917edc3ad8e11d68912795902Jouni Malinen } 1089bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1090bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1091bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_tkip_micerr_event(struct ath6kl *ar, u8 keyid, bool ismcast) 1092bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1093bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *sta; 1094f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan /* TODO: Findout vif */ 1095f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 1096bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 tsc[6]; 1097bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 1098bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * For AP case, keyid will have aid of STA which sent pkt with 1099bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * MIC error. Use this aid to get MAC & send it to hostapd. 1100bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 1101f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 1102bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sta = ath6kl_find_sta_by_aid(ar, (keyid >> 2)); 1103bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!sta) 1104bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1105bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1106bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, 1107bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo "ap tkip mic error received from aid=%d\n", keyid); 1108bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1109bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo memset(tsc, 0, sizeof(tsc)); /* FIX: get correct TSC */ 1110bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cfg80211_michael_mic_failure(ar->net_dev, sta->mac, 1111bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo NL80211_KEYTYPE_PAIRWISE, keyid, 1112bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo tsc, GFP_KERNEL); 1113bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else 1114bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_cfg80211_tkip_micerr_event(ar, keyid, ismcast); 1115bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1116bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1117bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1118bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6kl_update_target_stats(struct ath6kl *ar, u8 *ptr, u32 len) 1119bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1120bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct wmi_target_stats *tgt_stats = 1121bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (struct wmi_target_stats *) ptr; 1122bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct target_stats *stats = &ar->target_stats; 1123bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct tkip_ccmp_stats *ccmp_stats; 1124bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 ac; 1125bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1126bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (len < sizeof(*tgt_stats)) 1127bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1128bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1129bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_TRC, "updating target stats\n"); 1130bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1131bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_pkt += le32_to_cpu(tgt_stats->stats.tx.pkt); 1132bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_byte += le32_to_cpu(tgt_stats->stats.tx.byte); 1133bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_ucast_pkt += le32_to_cpu(tgt_stats->stats.tx.ucast_pkt); 1134bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_ucast_byte += le32_to_cpu(tgt_stats->stats.tx.ucast_byte); 1135bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_mcast_pkt += le32_to_cpu(tgt_stats->stats.tx.mcast_pkt); 1136bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_mcast_byte += le32_to_cpu(tgt_stats->stats.tx.mcast_byte); 1137bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_bcast_pkt += le32_to_cpu(tgt_stats->stats.tx.bcast_pkt); 1138bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_bcast_byte += le32_to_cpu(tgt_stats->stats.tx.bcast_byte); 1139bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_rts_success_cnt += 1140bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_success_cnt); 1141bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1142bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (ac = 0; ac < WMM_NUM_AC; ac++) 1143bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_pkt_per_ac[ac] += 1144bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->stats.tx.pkt_per_ac[ac]); 1145bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1146bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_err += le32_to_cpu(tgt_stats->stats.tx.err); 1147bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_fail_cnt += le32_to_cpu(tgt_stats->stats.tx.fail_cnt); 1148bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_retry_cnt += le32_to_cpu(tgt_stats->stats.tx.retry_cnt); 1149bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_mult_retry_cnt += 1150bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt); 1151bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_rts_fail_cnt += 1152bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt); 1153bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tx_ucast_rate = 1154bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate)); 1155bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1156bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt); 1157bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte); 1158bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_ucast_pkt += le32_to_cpu(tgt_stats->stats.rx.ucast_pkt); 1159bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_ucast_byte += le32_to_cpu(tgt_stats->stats.rx.ucast_byte); 1160bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_mcast_pkt += le32_to_cpu(tgt_stats->stats.rx.mcast_pkt); 1161bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_mcast_byte += le32_to_cpu(tgt_stats->stats.rx.mcast_byte); 1162bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_bcast_pkt += le32_to_cpu(tgt_stats->stats.rx.bcast_pkt); 1163bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_bcast_byte += le32_to_cpu(tgt_stats->stats.rx.bcast_byte); 1164bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_frgment_pkt += le32_to_cpu(tgt_stats->stats.rx.frgment_pkt); 1165bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_err += le32_to_cpu(tgt_stats->stats.rx.err); 1166bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_crc_err += le32_to_cpu(tgt_stats->stats.rx.crc_err); 1167bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_key_cache_miss += 1168bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->stats.rx.key_cache_miss); 1169bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err); 1170bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame); 1171bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->rx_ucast_rate = 1172bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate)); 1173bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1174bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats; 1175bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1176bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tkip_local_mic_fail += 1177bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(ccmp_stats->tkip_local_mic_fail); 1178bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tkip_cnter_measures_invoked += 1179bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(ccmp_stats->tkip_cnter_measures_invoked); 1180bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->tkip_fmt_err += le32_to_cpu(ccmp_stats->tkip_fmt_err); 1181bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1182bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->ccmp_fmt_err += le32_to_cpu(ccmp_stats->ccmp_fmt_err); 1183bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->ccmp_replays += le32_to_cpu(ccmp_stats->ccmp_replays); 1184bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1185bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->pwr_save_fail_cnt += 1186bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->pm_stats.pwr_save_failure_cnt); 1187bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->noise_floor_calib = 1188bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo a_sle32_to_cpu(tgt_stats->noise_floor_calib); 1189bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1190bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_bmiss_cnt += 1191bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_bmiss_cnt); 1192bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_low_rssi_cnt += 1193bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->cserv_stats.cs_low_rssi_cnt); 1194bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_connect_cnt += 1195bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_connect_cnt); 1196bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_discon_cnt += 1197bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le16_to_cpu(tgt_stats->cserv_stats.cs_discon_cnt); 1198bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1199bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_ave_beacon_rssi = 1200bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo a_sle16_to_cpu(tgt_stats->cserv_stats.cs_ave_beacon_rssi); 1201bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1202bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_last_roam_msec = 1203bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo tgt_stats->cserv_stats.cs_last_roam_msec; 1204bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_snr = tgt_stats->cserv_stats.cs_snr; 1205bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->cs_rssi = a_sle16_to_cpu(tgt_stats->cserv_stats.cs_rssi); 1206bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1207bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->lq_val = le32_to_cpu(tgt_stats->lq_val); 1208bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1209bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->wow_pkt_dropped += 1210bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le32_to_cpu(tgt_stats->wow_stats.wow_pkt_dropped); 1211bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->wow_host_pkt_wakeups += 1212bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo tgt_stats->wow_stats.wow_host_pkt_wakeups; 1213bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->wow_host_evt_wakeups += 1214bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo tgt_stats->wow_stats.wow_host_evt_wakeups; 1215bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo stats->wow_evt_discarded += 1216bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo le16_to_cpu(tgt_stats->wow_stats.wow_evt_discarded); 1217bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1218bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (test_bit(STATS_UPDATE_PEND, &ar->flag)) { 1219bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo clear_bit(STATS_UPDATE_PEND, &ar->flag); 1220bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo wake_up(&ar->event_wq); 1221bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1222bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1223bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1224bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic void ath6kl_add_le32(__le32 *var, __le32 val) 1225bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1226bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo *var = cpu_to_le32(le32_to_cpu(*var) + le32_to_cpu(val)); 1227bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1228bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1229bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_tgt_stats_event(struct ath6kl *ar, u8 *ptr, u32 len) 1230bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1231bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct wmi_ap_mode_stat *p = (struct wmi_ap_mode_stat *) ptr; 1232bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct wmi_ap_mode_stat *ap = &ar->ap_stats; 1233bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct wmi_per_sta_stat *st_ap, *st_p; 1234f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan /* TODO: Findout vif */ 1235f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 1236bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 ac; 1237bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1238f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 1239bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (len < sizeof(*p)) 1240bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1241bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1242bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo for (ac = 0; ac < AP_MAX_NUM_STA; ac++) { 1243bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo st_ap = &ap->sta[ac]; 1244bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo st_p = &p->sta[ac]; 1245bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1246bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->tx_bytes, st_p->tx_bytes); 1247bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->tx_pkts, st_p->tx_pkts); 1248bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->tx_error, st_p->tx_error); 1249bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->tx_discard, st_p->tx_discard); 1250bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->rx_bytes, st_p->rx_bytes); 1251bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->rx_pkts, st_p->rx_pkts); 1252bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->rx_error, st_p->rx_error); 1253bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_add_le32(&st_ap->rx_discard, st_p->rx_discard); 1254bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1255bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1256bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else { 1257bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_update_target_stats(ar, ptr, len); 1258bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1259bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1260bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1261bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_wakeup_event(void *dev) 1262bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1263bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = (struct ath6kl *) dev; 1264bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1265bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo wake_up(&ar->event_wq); 1266bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1267bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1268bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr) 1269bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1270bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = (struct ath6kl *) devt; 1271bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1272bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->tx_pwr = tx_pwr; 1273bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo wake_up(&ar->event_wq); 1274bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1275bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1276bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_pspoll_event(struct ath6kl *ar, u8 aid) 1277bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1278bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl_sta *conn; 1279bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct sk_buff *skb; 1280bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo bool psq_empty = false; 1281bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1282bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo conn = ath6kl_find_sta_by_aid(ar, aid); 1283bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1284bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!conn) 1285bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1286bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 1287bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * Send out a packet queued on ps queue. When the ps queue 1288bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * becomes empty update the PVB for this station. 1289bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 1290bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&conn->psq_lock); 1291bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo psq_empty = skb_queue_empty(&conn->psq); 1292bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&conn->psq_lock); 1293bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1294bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (psq_empty) 1295bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* TODO: Send out a NULL data frame */ 1296bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1297bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1298bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&conn->psq_lock); 1299bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo skb = skb_dequeue(&conn->psq); 1300bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&conn->psq_lock); 1301bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1302bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo conn->sta_flags |= STA_PS_POLLED; 1303bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_data_tx(skb, ar->net_dev); 1304bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo conn->sta_flags &= ~STA_PS_POLLED; 1305bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1306bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&conn->psq_lock); 1307bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo psq_empty = skb_queue_empty(&conn->psq); 1308bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&conn->psq_lock); 1309bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1310bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (psq_empty) 1311bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_set_pvb_cmd(ar->wmi, conn->aid, 0); 1312bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1313bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1314bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_dtimexpiry_event(struct ath6kl *ar) 1315bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1316bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo bool mcastq_empty = false; 1317bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct sk_buff *skb; 131859c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan /* TODO: Pass vif instead of taking it from ar */ 131959c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 1320bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1321bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 1322bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * If there are no associated STAs, ignore the DTIM expiry event. 1323bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * There can be potential race conditions where the last associated 1324bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * STA may disconnect & before the host could clear the 'Indicate 1325bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * DTIM' request to the firmware, the firmware would have just 1326bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * indicated a DTIM expiry event. The race is between 'clear DTIM 1327bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * expiry cmd' going from the host to the firmware & the DTIM 1328bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * expiry event happening from the firmware to the host. 1329bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 1330bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!ar->sta_list_index) 1331bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1332bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1333bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&ar->mcastpsq_lock); 1334bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo mcastq_empty = skb_queue_empty(&ar->mcastpsq); 1335bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 1336bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1337bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (mcastq_empty) 1338bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1339bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1340bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* set the STA flag to dtim_expired for the frame to go out */ 134159c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(DTIM_EXPIRED, &vif->flags); 1342bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1343bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&ar->mcastpsq_lock); 1344bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo while ((skb = skb_dequeue(&ar->mcastpsq)) != NULL) { 1345bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 1346bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1347bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_data_tx(skb, ar->net_dev); 1348bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1349bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&ar->mcastpsq_lock); 1350bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1351bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 1352bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 135359c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(DTIM_EXPIRED, &vif->flags); 1354bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1355bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* clear the LSB of the BitMapCtl field of the TIM IE */ 1356bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_set_pvb_cmd(ar->wmi, MCAST_AID, 0); 1357bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1358bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1359bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid ath6kl_disconnect_event(struct ath6kl *ar, u8 reason, u8 *bssid, 1360bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u8 assoc_resp_len, u8 *assoc_info, 1361bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo u16 prot_reason_status) 1362bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 136359c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan /* TODO: Findout vif instead of taking it from ar */ 136459c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = ar->vif; 136559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan 1366f5938f249a08a4e6c9046fa095be00db664158ccVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK) { 1367bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!ath6kl_remove_sta(ar, bssid, prot_reason_status)) 1368bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1369bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1370bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* if no more associated STAs, empty the mcast PS q */ 1371bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (ar->sta_list_index == 0) { 1372bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_lock_bh(&ar->mcastpsq_lock); 1373bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo skb_queue_purge(&ar->mcastpsq); 1374bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo spin_unlock_bh(&ar->mcastpsq_lock); 1375bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1376bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* clear the LSB of the TIM IE's BitMapCtl field */ 1377bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (test_bit(WMI_READY, &ar->flag)) 1378bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_set_pvb_cmd(ar->wmi, MCAST_AID, 0); 1379bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1380bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1381bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!is_broadcast_ether_addr(bssid)) { 1382bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* send event to application */ 1383bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo cfg80211_del_sta(ar->net_dev, bssid, GFP_KERNEL); 1384bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1385bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1386151411e88fe1d1a729a4f706a2aebef8bc000a69Jouni Malinen if (memcmp(ar->net_dev->dev_addr, bssid, ETH_ALEN) == 0) { 13876f2a73f9e5c7013e14cf898fead81a363cdf0548Vasanthakumar Thiagarajan memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); 138859c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 1389151411e88fe1d1a729a4f706a2aebef8bc000a69Jouni Malinen } 1390bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1391bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1392bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1393bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_cfg80211_disconnect_event(ar, reason, bssid, 1394bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo assoc_resp_len, assoc_info, 1395bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo prot_reason_status); 1396bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 13972132c69cb9efaf2b7300f6da916ab5f96c9c95b7Vasanthakumar Thiagarajan aggr_reset_state(vif->aggr_cntxt); 1398bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1399de3ad7138c853fb3f5c239a40e0228bd94d583e7Vasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1400bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1401bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CONNECT, 1402bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo "disconnect reason is %d\n", reason); 1403bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1404bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* 1405bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * If the event is due to disconnect cmd from the host, only they 1406bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * the target would stop trying to connect. Under any other 1407bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo * condition, target would keep trying to connect. 1408bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo */ 1409bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (reason == DISCONNECT_CMD) { 1410bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (!ar->usr_bss_filter && test_bit(WMI_READY, &ar->flag)) 1411bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_wmi_bssfilter_cmd(ar->wmi, NONE_BSS_FILTER, 0); 1412bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else { 141359c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1414bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (((reason == ASSOC_FAILED) && 1415bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo (prot_reason_status == 0x11)) || 1416bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ((reason == ASSOC_FAILED) && (prot_reason_status == 0x0) 1417bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo && (ar->reconnect_flag == 1))) { 141859c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(CONNECTED, &vif->flags); 1419bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1420bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1421bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1422bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1423bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo /* update connect & link status atomically */ 1424151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_lock_bh(&ar->lock); 142559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 1426bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_carrier_off(ar->net_dev); 1427151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_unlock_bh(&ar->lock); 1428bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1429bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if ((reason != CSERV_DISCONNECT) || (ar->reconnect_flag != 1)) 1430bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->reconnect_flag = 0; 1431bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1432bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (reason != CSERV_DISCONNECT) 1433bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ar->user_key_ctrl = 0; 1434bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1435bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_stop_queue(ar->net_dev); 14368c8b65e3e3b81d28d185f0a8b6543e42b50a812dVasanthakumar Thiagarajan memset(vif->bssid, 0, sizeof(vif->bssid)); 1437f74bac54a507a1b71be352d422b25cb5fd38db54Vasanthakumar Thiagarajan vif->bss_ch = 0; 1438bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1439bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_tx_data_cleanup(ar); 1440bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1441bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1442bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic int ath6kl_open(struct net_device *dev) 1443bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1444bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = ath6kl_priv(dev); 144559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1446bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1447151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_lock_bh(&ar->lock); 1448bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 144959c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 1450bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 145159c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1452bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_carrier_on(dev); 1453bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_wake_queue(dev); 1454bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } else 1455bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_carrier_off(dev); 1456bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1457151bd30bdf88551d68a743b7f7504ca0f3ff2796Vasanthakumar Thiagarajan spin_unlock_bh(&ar->lock); 1458bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1459bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return 0; 1460bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1461bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1462bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic int ath6kl_close(struct net_device *dev) 1463bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1464bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = ath6kl_priv(dev); 146559c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1466bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1467bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo netif_stop_queue(dev); 1468bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1469bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_disconnect(ar); 1470bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1471bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (test_bit(WMI_READY, &ar->flag)) { 1472bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo if (ath6kl_wmi_scanparams_cmd(ar->wmi, 0xFFFF, 0, 0, 0, 0, 0, 0, 1473bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 0, 0, 0)) 1474bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return -EIO; 1475bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 147659c98449b8af405aa6245ea9f640c5847f42d26eVasanthakumar Thiagarajan clear_bit(WLAN_ENABLED, &vif->flags); 1477bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo } 1478bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1479bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo ath6kl_cfg80211_scan_complete_event(ar, -ECANCELED); 1480bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1481bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return 0; 1482bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1483bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1484bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic struct net_device_stats *ath6kl_get_stats(struct net_device *dev) 1485bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1486bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1487bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1488bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return &ar->net_stats; 1489bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1490bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1491bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valostatic struct net_device_ops ath6kl_netdev_ops = { 1492bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo .ndo_open = ath6kl_open, 1493bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo .ndo_stop = ath6kl_close, 1494bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo .ndo_start_xmit = ath6kl_data_tx, 1495bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo .ndo_get_stats = ath6kl_get_stats, 1496bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo}; 1497bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1498bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valovoid init_netdev(struct net_device *dev) 1499bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo{ 1500bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo dev->netdev_ops = &ath6kl_netdev_ops; 1501bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; 1502bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1503bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo dev->needed_headroom = ETH_HLEN; 1504bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo dev->needed_headroom += sizeof(struct ath6kl_llc_snap_hdr) + 1505bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo sizeof(struct wmi_data_hdr) + HTC_HDR_LENGTH 15061df94a8578eb099d9362cc0b84ef85015c47bbc5Vasanthakumar Thiagarajan + WMI_MAX_TX_META_SZ + ATH6KL_HTC_ALIGN_BYTES; 1507bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo 1508bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo return; 1509bdcd81707973cf8aa9305337166f8ee842a050d4Kalle Valo} 1510