15e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao/* 25e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * Marvell Wireless LAN device driver: HW/FW Initialization 35e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 45e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * Copyright (C) 2011, Marvell International Ltd. 55e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 65e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This software file (the "File") is distributed by Marvell International 75e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * Ltd. under the terms of the GNU General Public License Version 2, June 1991 85e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * (the "License"). You may use, redistribute and/or modify this File in 95e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * accordance with the terms and conditions of the License, a copy of which 105e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * is available by writing to the Free Software Foundation, Inc., 115e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the 125e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. 135e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 145e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE 155e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE 165e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * ARE EXPRESSLY DISCLAIMED. The License provides additional details about 175e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * this warranty disclaimer. 185e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao */ 195e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 205e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao#include "decl.h" 215e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao#include "ioctl.h" 225e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao#include "util.h" 235e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao#include "fw.h" 245e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao#include "main.h" 255e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao#include "wmm.h" 265e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao#include "11n.h" 275e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 285e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao/* 295e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This function adds a BSS priority table to the table list. 305e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 315e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * The function allocates a new BSS priority table node and adds it to 325e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * the end of BSS priority table list, kept in driver memory. 335e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao */ 345e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaostatic int mwifiex_add_bss_prio_tbl(struct mwifiex_private *priv) 355e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao{ 365e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao struct mwifiex_adapter *adapter = priv->adapter; 375e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao struct mwifiex_bss_prio_node *bss_prio; 38931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar struct mwifiex_bss_prio_tbl *tbl = adapter->bss_prio_tbl; 395e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao unsigned long flags; 405e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 415e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao bss_prio = kzalloc(sizeof(struct mwifiex_bss_prio_node), GFP_KERNEL); 425e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (!bss_prio) { 435e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_err(adapter->dev, "%s: failed to alloc bss_prio\n", 44931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar __func__); 45b53575ecf939a4f752de87eabf1adbcfa4478a6cChristoph Fritz return -ENOMEM; 465e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 475e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 485e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao bss_prio->priv = priv; 495e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao INIT_LIST_HEAD(&bss_prio->list); 50931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar if (!tbl[priv->bss_priority].bss_prio_cur) 51931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar tbl[priv->bss_priority].bss_prio_cur = bss_prio; 52931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar 53931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar spin_lock_irqsave(&tbl[priv->bss_priority].bss_prio_lock, flags); 54931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar list_add_tail(&bss_prio->list, &tbl[priv->bss_priority].bss_prio_head); 55931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar spin_unlock_irqrestore(&tbl[priv->bss_priority].bss_prio_lock, flags); 565e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 57600f5d909a54a8dccf8c8c23898fc2e91bc0953eAmitkumar Karwar return 0; 585e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao} 595e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 605e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao/* 615e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This function initializes the private structure and sets default 625e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * values to the members. 635e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 645e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * Additionally, it also initializes all the locks and sets up all the 655e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * lists. 665e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao */ 675e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaostatic int mwifiex_init_priv(struct mwifiex_private *priv) 685e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao{ 695e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao u32 i; 705e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 715e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->media_connected = false; 725e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(priv->curr_addr, 0xff, ETH_ALEN); 735e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 745e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->pkt_tx_ctrl = 0; 7593a1df48d224296fb527d32fbec4d5162828feb4Yogesh Ashok Powar priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 765e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->data_rate = 0; /* Initially indicate the rate as auto */ 775e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->is_data_rate_auto = true; 785e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->bcn_avg_factor = DEFAULT_BCN_AVG_FACTOR; 795e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->data_avg_factor = DEFAULT_DATA_AVG_FACTOR; 805e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 815eb02e44adc92a71bae3ff60acb1eea5ada14e93Amitkumar Karwar priv->sec_info.wep_enabled = 0; 82f986b6d538c9351c99108b51be9f77ac1b300b16Marc Yang priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; 832be50b8df53f2f329b7ddcc8be286ef6a7469fd2Yogesh Ashok Powar priv->sec_info.encryption_mode = 0; 845e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao for (i = 0; i < ARRAY_SIZE(priv->wep_key); i++) 855e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&priv->wep_key[i], 0, sizeof(struct mwifiex_wep_key)); 865e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->wep_key_curr_index = 0; 875e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->curr_pkt_filter = HostCmd_ACT_MAC_RX_ON | HostCmd_ACT_MAC_TX_ON | 885e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao HostCmd_ACT_MAC_ETHERNETII_ENABLE; 895e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 905e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->beacon_period = 100; /* beacon interval */ ; 915e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->attempted_bss_desc = NULL; 925e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&priv->curr_bss_params, 0, sizeof(priv->curr_bss_params)); 935e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->listen_interval = MWIFIEX_DEFAULT_LISTEN_INTERVAL; 945e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 955e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&priv->prev_ssid, 0, sizeof(priv->prev_ssid)); 965e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&priv->prev_bssid, 0, sizeof(priv->prev_bssid)); 975e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&priv->assoc_rsp_buf, 0, sizeof(priv->assoc_rsp_buf)); 985e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->assoc_rsp_size = 0; 995e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; 1005e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->atim_window = 0; 1015e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->adhoc_state = ADHOC_IDLE; 1025e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->tx_power_level = 0; 1035e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->max_tx_power_level = 0; 1045e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->min_tx_power_level = 0; 1055e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->tx_rate = 0; 1065e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->rxpd_htinfo = 0; 1075e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->rxpd_rate = 0; 1085e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->rate_bitmap = 0; 1095e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->data_rssi_last = 0; 1105e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->data_rssi_avg = 0; 1115e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->data_nf_avg = 0; 1125e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->data_nf_last = 0; 1135e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->bcn_rssi_last = 0; 1145e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->bcn_rssi_avg = 0; 1155e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->bcn_nf_avg = 0; 1165e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->bcn_nf_last = 0; 1175e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&priv->wpa_ie, 0, sizeof(priv->wpa_ie)); 1185e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&priv->aes_key, 0, sizeof(priv->aes_key)); 1195e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->wpa_ie_len = 0; 1205e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->wpa_is_gtk_set = false; 1215e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1225e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&priv->assoc_tlv_buf, 0, sizeof(priv->assoc_tlv_buf)); 1235e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->assoc_tlv_buf_len = 0; 1245e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&priv->wps, 0, sizeof(priv->wps)); 1255e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&priv->gen_ie_buf, 0, sizeof(priv->gen_ie_buf)); 1265e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->gen_ie_buf_len = 0; 1275e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(priv->vs_ie, 0, sizeof(priv->vs_ie)); 1285e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1295e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->wmm_required = true; 1305e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->wmm_enabled = false; 1315e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->wmm_qosinfo = 0; 1325e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->curr_bcn_buf = NULL; 1335e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->curr_bcn_size = 0; 1345e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1355e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv->scan_block = false; 1365e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 137636c4598499eeacce0893dc8d91113b904bd531eYogesh Ashok Powar return mwifiex_add_bss_prio_tbl(priv); 1385e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao} 1395e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1405e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao/* 1415e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This function allocates buffers for members of the adapter 1425e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * structure. 1435e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 1445e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * The memory allocated includes scan table, command buffers, and 1455e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * sleep confirm command buffer. In addition, the queues are 1465e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * also initialized. 1475e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao */ 1485e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaostatic int mwifiex_allocate_adapter(struct mwifiex_adapter *adapter) 1495e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao{ 150270e58e8898c8be40451ebee45b6c9b5bd5db04bYogesh Ashok Powar int ret; 1515e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1525e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Allocate command buffer */ 1535e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao ret = mwifiex_alloc_cmd_buffer(adapter); 1545e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (ret) { 1555e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_err(adapter->dev, "%s: failed to alloc cmd buffer\n", 156931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar __func__); 1575e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return -1; 1585e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 1595e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1605e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->sleep_cfm = 1617cc5eb629cefa9a40295ff5ee4b1ec41ad855e8dAmitkumar Karwar dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm) 162931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar + INTF_HEADER_LEN); 1635e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1645e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (!adapter->sleep_cfm) { 1655e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_err(adapter->dev, "%s: failed to alloc sleep cfm" 1665e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao " cmd buffer\n", __func__); 1675e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return -1; 1685e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 1695e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao skb_reserve(adapter->sleep_cfm, INTF_HEADER_LEN); 1705e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1715e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return 0; 1725e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao} 1735e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1745e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao/* 1755e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This function initializes the adapter structure and sets default 1765e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * values to the members of adapter. 1775e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 1785e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This also initializes the WMM related parameters in the driver private 1795e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * structures. 1805e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao */ 1815e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaostatic void mwifiex_init_adapter(struct mwifiex_adapter *adapter) 1825e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao{ 1837cc5eb629cefa9a40295ff5ee4b1ec41ad855e8dAmitkumar Karwar struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = NULL; 1845e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1857cc5eb629cefa9a40295ff5ee4b1ec41ad855e8dAmitkumar Karwar skb_put(adapter->sleep_cfm, sizeof(struct mwifiex_opt_sleep_confirm)); 1865e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1875e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->cmd_sent = false; 188d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar 189d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar if (adapter->iface_type == MWIFIEX_PCIE) 190d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar adapter->data_sent = false; 191d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar else 192d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar adapter->data_sent = true; 193d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar 1945e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->cmd_resp_received = false; 1955e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->event_received = false; 1965e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->data_received = false; 1975e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 1985e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->surprise_removed = false; 1995e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2005e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->hw_status = MWIFIEX_HW_STATUS_INITIALIZING; 2015e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2025e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; 2035e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->ps_state = PS_STATE_AWAKE; 2045e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->need_to_wakeup = false; 2055e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2065e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->scan_mode = HostCmd_BSS_MODE_ANY; 2075e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->specific_scan_time = MWIFIEX_SPECIFIC_SCAN_CHAN_TIME; 2085e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->active_scan_time = MWIFIEX_ACTIVE_SCAN_CHAN_TIME; 2095e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->passive_scan_time = MWIFIEX_PASSIVE_SCAN_CHAN_TIME; 2105e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2115e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->scan_probes = 1; 2125e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2135e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->multiple_dtim = 1; 2145e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2155e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->local_listen_interval = 0; /* default value in firmware 2165e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao will be used */ 2175e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2185e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->is_deep_sleep = false; 2195e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2205e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->delay_null_pkt = false; 2215e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->delay_to_ps = 1000; 2225e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->enhanced_ps_mode = PS_MODE_AUTO; 2235e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2245e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->gen_null_pkt = false; /* Disable NULL Pkg generation by 2255e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao default */ 2265e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->pps_uapsd_mode = false; /* Disable pps/uapsd mode by 2275e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao default */ 2285e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->pm_wakeup_card_req = false; 2295e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2305e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->pm_wakeup_fw_try = false; 2315e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2325e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->max_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K; 2335e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K; 2345e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->curr_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K; 2355e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2365e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->is_hs_configured = false; 2375e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->hs_cfg.conditions = cpu_to_le32(HOST_SLEEP_CFG_COND_DEF); 2385e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->hs_cfg.gpio = HOST_SLEEP_CFG_GPIO_DEF; 2395e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->hs_cfg.gap = HOST_SLEEP_CFG_GAP_DEF; 2405e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->hs_activated = false; 2415e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2425e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(adapter->event_body, 0, sizeof(adapter->event_body)); 2435e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->hw_dot_11n_dev_cap = 0; 2445e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->hw_dev_mcs_support = 0; 24521c3ba346486c3df39d23a2a085fcdfc7a59a853Amitkumar Karwar adapter->sec_chan_offset = 0; 2465e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->adhoc_11n_enabled = false; 2475e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2485e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao mwifiex_wmm_init(adapter); 2495e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2505e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (adapter->sleep_cfm) { 2518ed1303321914a70ad580c1d034898e43c39b065Yogesh Ashok Powar sleep_cfm_buf = (struct mwifiex_opt_sleep_confirm *) 2528ed1303321914a70ad580c1d034898e43c39b065Yogesh Ashok Powar adapter->sleep_cfm->data; 2537cc5eb629cefa9a40295ff5ee4b1ec41ad855e8dAmitkumar Karwar memset(sleep_cfm_buf, 0, adapter->sleep_cfm->len); 2547cc5eb629cefa9a40295ff5ee4b1ec41ad855e8dAmitkumar Karwar sleep_cfm_buf->command = 2557cc5eb629cefa9a40295ff5ee4b1ec41ad855e8dAmitkumar Karwar cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH); 2567cc5eb629cefa9a40295ff5ee4b1ec41ad855e8dAmitkumar Karwar sleep_cfm_buf->size = 2577cc5eb629cefa9a40295ff5ee4b1ec41ad855e8dAmitkumar Karwar cpu_to_le16(adapter->sleep_cfm->len); 2587cc5eb629cefa9a40295ff5ee4b1ec41ad855e8dAmitkumar Karwar sleep_cfm_buf->result = 0; 2597cc5eb629cefa9a40295ff5ee4b1ec41ad855e8dAmitkumar Karwar sleep_cfm_buf->action = cpu_to_le16(SLEEP_CONFIRM); 2607cc5eb629cefa9a40295ff5ee4b1ec41ad855e8dAmitkumar Karwar sleep_cfm_buf->resp_ctrl = cpu_to_le16(RESP_NEEDED); 2615e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 2625e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&adapter->sleep_params, 0, sizeof(adapter->sleep_params)); 2635e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&adapter->sleep_period, 0, sizeof(adapter->sleep_period)); 2645e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->tx_lock_flag = false; 2655e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->null_pkt_interval = 0; 2665e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->fw_bands = 0; 2675e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->config_bands = 0; 2685e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->adhoc_start_band = 0; 2695e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->scan_channels = NULL; 2705e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->fw_release_number = 0; 2715e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->fw_cap_info = 0; 2725e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&adapter->upld_buf, 0, sizeof(adapter->upld_buf)); 2735e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->event_cause = 0; 2745e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->region_code = 0; 2755e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->bcn_miss_time_out = DEFAULT_BCN_MISS_TIMEOUT; 2765e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->adhoc_awake_period = 0; 2775e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao memset(&adapter->arp_filter, 0, sizeof(adapter->arp_filter)); 2785e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->arp_filter_size = 0; 2793dc5e1751803e812806d7aa46150af92f91ef489Amitkumar Karwar adapter->channel_type = NL80211_CHAN_HT20; 2805e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao} 2815e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 2825e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao/* 283bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil * This function sets trans_start per tx_queue 284bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil */ 285bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patilvoid mwifiex_set_trans_start(struct net_device *dev) 286bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil{ 287bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil int i; 288bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil 289bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil for (i = 0; i < dev->num_tx_queues; i++) 290bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil netdev_get_tx_queue(dev, i)->trans_start = jiffies; 291bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil 292bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil dev->trans_start = jiffies; 293bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil} 294bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil 295bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil/* 296bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil * This function wakes up all queues in net_device 297bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil */ 298bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patilvoid mwifiex_wake_up_net_dev_queue(struct net_device *netdev, 299bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil struct mwifiex_adapter *adapter) 300bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil{ 301bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil unsigned long dev_queue_flags; 302bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil 303bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil spin_lock_irqsave(&adapter->queue_lock, dev_queue_flags); 304bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil netif_tx_wake_all_queues(netdev); 305bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil spin_unlock_irqrestore(&adapter->queue_lock, dev_queue_flags); 306bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil} 307bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil 308bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil/* 309bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil * This function stops all queues in net_device 310bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil */ 311bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patilvoid mwifiex_stop_net_dev_queue(struct net_device *netdev, 312bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil struct mwifiex_adapter *adapter) 313bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil{ 314bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil unsigned long dev_queue_flags; 315bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil 316bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil spin_lock_irqsave(&adapter->queue_lock, dev_queue_flags); 317bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil netif_tx_stop_all_queues(netdev); 318bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil spin_unlock_irqrestore(&adapter->queue_lock, dev_queue_flags); 319bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil} 320bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil 321bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil/* 322711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar * This function releases the lock variables and frees the locks and 323711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar * associated locks. 324711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar */ 325711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwarstatic void mwifiex_free_lock_list(struct mwifiex_adapter *adapter) 326711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar{ 327711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar struct mwifiex_private *priv; 328711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar s32 i, j; 329711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar 330711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar /* Free lists */ 331711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar list_del(&adapter->cmd_free_q); 332711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar list_del(&adapter->cmd_pending_q); 333711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar list_del(&adapter->scan_pending_q); 334711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar 335711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar for (i = 0; i < adapter->priv_num; i++) 336711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar list_del(&adapter->bss_prio_tbl[i].bss_prio_head); 337711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar 338711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar for (i = 0; i < adapter->priv_num; i++) { 339711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar if (adapter->priv[i]) { 340711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar priv = adapter->priv[i]; 341711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar for (j = 0; j < MAX_NUM_TID; ++j) 342711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar list_del(&priv->wmm.tid_tbl_ptr[j].ra_list); 343711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar list_del(&priv->tx_ba_stream_tbl_ptr); 344711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar list_del(&priv->rx_reorder_tbl_ptr); 345711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar } 346711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar } 347711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar} 348711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar 349711825a06bb288e04f8236d77c4e12eba9a1c478Amitkumar Karwar/* 3505e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This function frees the adapter structure. 3515e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 3525e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * The freeing operation is done recursively, by canceling all 3535e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * pending commands, freeing the member buffers previously 3545e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * allocated (command buffers, scan table buffer, sleep confirm 3555e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * command buffer), stopping the timers and calling the cleanup 3565e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * routines for every interface, before the actual adapter 3575e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * structure is freed. 3585e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao */ 3595e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaostatic void 3605e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaomwifiex_free_adapter(struct mwifiex_adapter *adapter) 3615e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao{ 3625e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (!adapter) { 3635e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao pr_err("%s: adapter is NULL\n", __func__); 3645e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return; 3655e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 3665e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 3675e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao mwifiex_cancel_all_pending_cmd(adapter); 3685e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 3695e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Free lock variables */ 3705e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao mwifiex_free_lock_list(adapter); 3715e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 3725e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Free command buffer */ 3735e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_dbg(adapter->dev, "info: free cmd buffer\n"); 3745e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao mwifiex_free_cmd_buffer(adapter); 3755e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 3765e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao del_timer(&adapter->cmd_timer); 3775e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 3785e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_dbg(adapter->dev, "info: free scan table\n"); 3795e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 3805e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->if_ops.cleanup_if(adapter); 3815e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 3822da8cbf8a6b454296c9db7b57cac72d5a39e3aa7Amitkumar Karwar if (adapter->sleep_cfm) 3832da8cbf8a6b454296c9db7b57cac72d5a39e3aa7Amitkumar Karwar dev_kfree_skb_any(adapter->sleep_cfm); 3845e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao} 3855e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 3865e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao/* 3875e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This function intializes the lock variables and 3885e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * the list heads. 3895e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao */ 3905e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaoint mwifiex_init_lock_list(struct mwifiex_adapter *adapter) 3915e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao{ 392270e58e8898c8be40451ebee45b6c9b5bd5db04bYogesh Ashok Powar struct mwifiex_private *priv; 393270e58e8898c8be40451ebee45b6c9b5bd5db04bYogesh Ashok Powar s32 i, j; 3945e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 3955e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&adapter->mwifiex_lock); 3965e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&adapter->int_lock); 3975e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&adapter->main_proc_lock); 3985e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&adapter->mwifiex_cmd_lock); 399bbea3bc432dc5c08d09ca5c80afdd82515470688Avinash Patil spin_lock_init(&adapter->queue_lock); 4005e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao for (i = 0; i < adapter->priv_num; i++) { 4015e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (adapter->priv[i]) { 4025e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv = adapter->priv[i]; 4035e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&priv->rx_pkt_lock); 4045e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&priv->wmm.ra_list_spinlock); 4055e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&priv->curr_bcn_buf_lock); 4065e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 4075e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 4085e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4095e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Initialize cmd_free_q */ 4105e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao INIT_LIST_HEAD(&adapter->cmd_free_q); 4115e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Initialize cmd_pending_q */ 4125e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao INIT_LIST_HEAD(&adapter->cmd_pending_q); 4135e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Initialize scan_pending_q */ 4145e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao INIT_LIST_HEAD(&adapter->scan_pending_q); 4155e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4165e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&adapter->cmd_free_q_lock); 4175e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&adapter->cmd_pending_q_lock); 4185e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&adapter->scan_pending_q_lock); 4195e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4205e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao for (i = 0; i < adapter->priv_num; ++i) { 4215e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao INIT_LIST_HEAD(&adapter->bss_prio_tbl[i].bss_prio_head); 4225e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->bss_prio_tbl[i].bss_prio_cur = NULL; 4235e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&adapter->bss_prio_tbl[i].bss_prio_lock); 4245e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 4255e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4265e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao for (i = 0; i < adapter->priv_num; i++) { 4275e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (!adapter->priv[i]) 4285e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao continue; 4295e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv = adapter->priv[i]; 4305e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao for (j = 0; j < MAX_NUM_TID; ++j) { 4315e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao INIT_LIST_HEAD(&priv->wmm.tid_tbl_ptr[j].ra_list); 4325e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&priv->wmm.tid_tbl_ptr[j].tid_tbl_lock); 4335e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 4345e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao INIT_LIST_HEAD(&priv->tx_ba_stream_tbl_ptr); 4355e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao INIT_LIST_HEAD(&priv->rx_reorder_tbl_ptr); 4365e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4375e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&priv->tx_ba_stream_tbl_lock); 4385e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_init(&priv->rx_reorder_tbl_lock); 4395e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 4405e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4415e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return 0; 4425e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao} 4435e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4445e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao/* 4455e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This function initializes the firmware. 4465e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 4475e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * The following operations are performed sequentially - 4485e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Allocate adapter structure 4495e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Initialize the adapter structure 4505e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Initialize the private structure 4515e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Add BSS priority tables to the adapter structure 4525e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - For each interface, send the init commands to firmware 4535e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Send the first command in command pending queue, if available 4545e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao */ 4555e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaoint mwifiex_init_fw(struct mwifiex_adapter *adapter) 4565e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao{ 457270e58e8898c8be40451ebee45b6c9b5bd5db04bYogesh Ashok Powar int ret; 458270e58e8898c8be40451ebee45b6c9b5bd5db04bYogesh Ashok Powar struct mwifiex_private *priv; 459270e58e8898c8be40451ebee45b6c9b5bd5db04bYogesh Ashok Powar u8 i, first_sta = true; 4605e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao int is_cmd_pend_q_empty; 4615e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao unsigned long flags; 4625e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4635e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->hw_status = MWIFIEX_HW_STATUS_INITIALIZING; 4645e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4655e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Allocate memory for member of adapter structure */ 4665e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao ret = mwifiex_allocate_adapter(adapter); 4675e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (ret) 4685e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return -1; 4695e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4705e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Initialize adapter structure */ 4715e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao mwifiex_init_adapter(adapter); 4725e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4735e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao for (i = 0; i < adapter->priv_num; i++) { 4745e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (adapter->priv[i]) { 4755e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv = adapter->priv[i]; 4765e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4775e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Initialize private structure */ 4785e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao ret = mwifiex_init_priv(priv); 4795e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (ret) 4805e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return -1; 4815e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 4825e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 4835e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao for (i = 0; i < adapter->priv_num; i++) { 4845e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (adapter->priv[i]) { 4855e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao ret = mwifiex_sta_init_cmd(adapter->priv[i], first_sta); 4865e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (ret == -1) 4875e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return -1; 4885e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4895e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao first_sta = false; 4905e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 4915e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 4925e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 4935e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); 4945e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao is_cmd_pend_q_empty = list_empty(&adapter->cmd_pending_q); 4955e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); 4965e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (!is_cmd_pend_q_empty) { 4975e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Send the first command in queue and return */ 4985e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (mwifiex_main_process(adapter) != -1) 4995e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao ret = -EINPROGRESS; 5005e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } else { 5015e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->hw_status = MWIFIEX_HW_STATUS_READY; 5025e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 5035e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 5045e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return ret; 5055e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao} 5065e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 5075e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao/* 5085e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This function deletes the BSS priority tables. 5095e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 5105e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * The function traverses through all the allocated BSS priority nodes 5115e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * in every BSS priority table and frees them. 5125e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao */ 5135e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaostatic void mwifiex_delete_bss_prio_tbl(struct mwifiex_private *priv) 5145e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao{ 5155e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao int i; 5165e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao struct mwifiex_adapter *adapter = priv->adapter; 517270e58e8898c8be40451ebee45b6c9b5bd5db04bYogesh Ashok Powar struct mwifiex_bss_prio_node *bssprio_node, *tmp_node, **cur; 5185e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao struct list_head *head; 519931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar spinlock_t *lock; /* bss priority lock */ 5205e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao unsigned long flags; 5215e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 5225e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao for (i = 0; i < adapter->priv_num; ++i) { 5235e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao head = &adapter->bss_prio_tbl[i].bss_prio_head; 5245e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao cur = &adapter->bss_prio_tbl[i].bss_prio_cur; 5255e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao lock = &adapter->bss_prio_tbl[i].bss_prio_lock; 5265e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_dbg(adapter->dev, "info: delete BSS priority table," 5279da9a3b29ba6a9a98e437f24576f13cbe259997bYogesh Ashok Powar " bss_type = %d, bss_num = %d, i = %d," 5289da9a3b29ba6a9a98e437f24576f13cbe259997bYogesh Ashok Powar " head = %p, cur = %p\n", 5299da9a3b29ba6a9a98e437f24576f13cbe259997bYogesh Ashok Powar priv->bss_type, priv->bss_num, i, head, *cur); 5305e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (*cur) { 5315e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_irqsave(lock, flags); 5325e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (list_empty(head)) { 5335e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_unlock_irqrestore(lock, flags); 5345e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao continue; 5355e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 5365e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao bssprio_node = list_first_entry(head, 5375e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao struct mwifiex_bss_prio_node, list); 5385e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_unlock_irqrestore(lock, flags); 5395e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 5405e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao list_for_each_entry_safe(bssprio_node, tmp_node, head, 5415e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao list) { 5425e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (bssprio_node->priv == priv) { 5435e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_dbg(adapter->dev, "info: Delete " 5445e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao "node %p, next = %p\n", 5455e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao bssprio_node, tmp_node); 5465e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_irqsave(lock, flags); 5475e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao list_del(&bssprio_node->list); 5485e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_unlock_irqrestore(lock, flags); 5495e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao kfree(bssprio_node); 5505e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 5515e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 5525e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao *cur = (struct mwifiex_bss_prio_node *)head; 5535e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 5545e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 5555e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao} 5565e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 5575e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao/* 5585e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This function is used to shutdown the driver. 5595e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 5605e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * The following operations are performed sequentially - 5615e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Check if already shut down 5625e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Make sure the main process has stopped 5635e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Clean up the Tx and Rx queues 5645e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Delete BSS priority tables 5655e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Free the adapter 5665e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Notify completion 5675e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao */ 5685e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaoint 5695e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaomwifiex_shutdown_drv(struct mwifiex_adapter *adapter) 5705e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao{ 5715e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao int ret = -EINPROGRESS; 572270e58e8898c8be40451ebee45b6c9b5bd5db04bYogesh Ashok Powar struct mwifiex_private *priv; 573270e58e8898c8be40451ebee45b6c9b5bd5db04bYogesh Ashok Powar s32 i; 5745e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao unsigned long flags; 5755e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 5765e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* mwifiex already shutdown */ 5775e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (adapter->hw_status == MWIFIEX_HW_STATUS_NOT_READY) 5785e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return 0; 5795e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 5805e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->hw_status = MWIFIEX_HW_STATUS_CLOSING; 5815e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* wait for mwifiex_process to complete */ 5825e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (adapter->mwifiex_processing) { 5835e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_warn(adapter->dev, "main process is still running\n"); 5845e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return ret; 5855e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 5865e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 5875e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* shut down mwifiex */ 5885e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_dbg(adapter->dev, "info: shutdown mwifiex...\n"); 5895e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 5905e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Clean up Tx/Rx queues and delete BSS priority table */ 5915e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao for (i = 0; i < adapter->priv_num; i++) { 5925e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (adapter->priv[i]) { 5935e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao priv = adapter->priv[i]; 5945e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 5955e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao mwifiex_clean_txrx(priv); 5965e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao mwifiex_delete_bss_prio_tbl(priv); 5975e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 5985e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 5995e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 6005e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_lock_irqsave(&adapter->mwifiex_lock, flags); 6015e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 6025e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Free adapter structure */ 6035e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao mwifiex_free_adapter(adapter); 6045e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 6055e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao spin_unlock_irqrestore(&adapter->mwifiex_lock, flags); 6065e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 6075e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Notify completion */ 6085e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao ret = mwifiex_shutdown_fw_complete(adapter); 6095e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 6105e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return ret; 6115e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao} 6125e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 6135e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao/* 6145e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * This function downloads the firmware to the card. 6155e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 6165e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * The actual download is preceded by two sanity checks - 6175e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Check if firmware is already running 6185e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Check if the interface is the winner to download the firmware 6195e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 6205e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * ...and followed by another - 6215e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * - Check if the firmware is downloaded successfully 6225e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * 6235e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao * After download is successfully completed, the host interrupts are enabled. 6245e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao */ 6255e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaoint mwifiex_dnld_fw(struct mwifiex_adapter *adapter, 6265e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao struct mwifiex_fw_image *pmfw) 6275e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao{ 628d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar int ret; 6295e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao u32 poll_num = 1; 6305e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 631d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar adapter->winner = 0; 632d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar 6335e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Check if firmware is already running */ 634d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar ret = adapter->if_ops.check_fw_status(adapter, poll_num); 6355e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (!ret) { 6365e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_notice(adapter->dev, 637931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar "WLAN FW already running! Skip FW download\n"); 6385e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao goto done; 6395e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 6405e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao poll_num = MAX_FIRMWARE_POLL_TRIES; 6415e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 6425e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Check if we are the winner for downloading FW */ 643d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar if (!adapter->winner) { 6445e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_notice(adapter->dev, 645931f15842a9e1251d46a681bd10d2033f6fb1ffdYogesh Ashok Powar "Other intf already running! Skip FW download\n"); 6465e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao poll_num = MAX_MULTI_INTERFACE_POLL_TRIES; 6475e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao goto poll_fw; 6485e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 6495e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (pmfw) { 6505e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Download firmware with helper */ 6515e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao ret = adapter->if_ops.prog_fw(adapter, pmfw); 6525e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (ret) { 6535e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_err(adapter->dev, "prog_fw failed ret=%#x\n", ret); 6545e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return ret; 6555e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 6565e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 6575e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao 6585e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaopoll_fw: 6595e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* Check if the firmware is downloaded successfully or not */ 660d930faee141bd0a6a4873791996c5354c9a85ca7Amitkumar Karwar ret = adapter->if_ops.check_fw_status(adapter, poll_num); 6615e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao if (ret) { 6625e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao dev_err(adapter->dev, "FW failed to be active in time\n"); 6635e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return -1; 6645e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao } 6655e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhaodone: 6665e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao /* re-enable host interrupt for mwifiex after fw dnld is successful */ 6675e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao adapter->if_ops.enable_int(adapter); 6685e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao return ret; 6695e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4eBing Zhao} 670