347 lines
8.6 KiB
C
347 lines
8.6 KiB
C
/*
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* Copyright (c) 2004-2011 Atheros Communications Inc.
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* Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "core.h"
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/export.h>
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#include <linux/vmalloc.h>
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#include "debug.h"
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#include "hif-ops.h"
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#include "htc-ops.h"
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#include "cfg80211.h"
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unsigned int debug_mask;
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static unsigned int suspend_mode;
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static unsigned int wow_mode;
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static unsigned int uart_debug;
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static unsigned int ath6kl_p2p;
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static unsigned int testmode;
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static unsigned int recovery_enable;
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static unsigned int heart_beat_poll;
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module_param(debug_mask, uint, 0644);
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module_param(suspend_mode, uint, 0644);
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module_param(wow_mode, uint, 0644);
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module_param(uart_debug, uint, 0644);
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module_param(ath6kl_p2p, uint, 0644);
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module_param(testmode, uint, 0644);
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module_param(recovery_enable, uint, 0644);
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module_param(heart_beat_poll, uint, 0644);
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MODULE_PARM_DESC(recovery_enable, "Enable recovery from firmware error");
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MODULE_PARM_DESC(heart_beat_poll, "Enable fw error detection periodic" \
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"polling. This also specifies the polling interval in" \
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"msecs. Set reocvery_enable for this to be effective");
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void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb)
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{
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ath6kl_htc_tx_complete(ar, skb);
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}
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EXPORT_SYMBOL(ath6kl_core_tx_complete);
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void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe)
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{
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ath6kl_htc_rx_complete(ar, skb, pipe);
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}
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EXPORT_SYMBOL(ath6kl_core_rx_complete);
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int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
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{
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struct ath6kl_bmi_target_info targ_info;
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struct wireless_dev *wdev;
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int ret = 0, i;
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switch (htc_type) {
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case ATH6KL_HTC_TYPE_MBOX:
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ath6kl_htc_mbox_attach(ar);
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break;
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case ATH6KL_HTC_TYPE_PIPE:
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ath6kl_htc_pipe_attach(ar);
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break;
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default:
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WARN_ON(1);
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return -ENOMEM;
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}
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ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
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if (!ar->ath6kl_wq)
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return -ENOMEM;
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ret = ath6kl_bmi_init(ar);
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if (ret)
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goto err_wq;
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/*
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* Turn on power to get hardware (target) version and leave power
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* on delibrately as we will boot the hardware anyway within few
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* seconds.
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*/
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ret = ath6kl_hif_power_on(ar);
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if (ret)
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goto err_bmi_cleanup;
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ret = ath6kl_bmi_get_target_info(ar, &targ_info);
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if (ret)
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goto err_power_off;
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ar->version.target_ver = le32_to_cpu(targ_info.version);
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ar->target_type = le32_to_cpu(targ_info.type);
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ar->wiphy->hw_version = le32_to_cpu(targ_info.version);
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ret = ath6kl_init_hw_params(ar);
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if (ret)
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goto err_power_off;
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ar->htc_target = ath6kl_htc_create(ar);
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if (!ar->htc_target) {
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ret = -ENOMEM;
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goto err_power_off;
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}
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ar->testmode = testmode;
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ret = ath6kl_init_fetch_firmwares(ar);
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if (ret)
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goto err_htc_cleanup;
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/* FIXME: we should free all firmwares in the error cases below */
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/* Indicate that WMI is enabled (although not ready yet) */
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set_bit(WMI_ENABLED, &ar->flag);
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ar->wmi = ath6kl_wmi_init(ar);
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if (!ar->wmi) {
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ath6kl_err("failed to initialize wmi\n");
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ret = -EIO;
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goto err_htc_cleanup;
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}
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ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
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/* setup access class priority mappings */
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ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */
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ar->ac_stream_pri_map[WMM_AC_BE] = 1;
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ar->ac_stream_pri_map[WMM_AC_VI] = 2;
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ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
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/* allocate some buffers that handle larger AMSDU frames */
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ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
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ath6kl_cookie_init(ar);
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ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
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ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
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if (suspend_mode &&
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suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
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suspend_mode <= WLAN_POWER_STATE_WOW)
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ar->suspend_mode = suspend_mode;
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else
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ar->suspend_mode = 0;
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if (suspend_mode == WLAN_POWER_STATE_WOW &&
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(wow_mode == WLAN_POWER_STATE_CUT_PWR ||
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wow_mode == WLAN_POWER_STATE_DEEP_SLEEP))
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ar->wow_suspend_mode = wow_mode;
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else
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ar->wow_suspend_mode = 0;
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if (uart_debug)
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ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
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set_bit(FIRST_BOOT, &ar->flag);
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ath6kl_debug_init(ar);
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ret = ath6kl_init_hw_start(ar);
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if (ret) {
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ath6kl_err("Failed to start hardware: %d\n", ret);
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goto err_rxbuf_cleanup;
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}
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/* give our connected endpoints some buffers */
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ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
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ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
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ret = ath6kl_cfg80211_init(ar);
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if (ret)
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goto err_rxbuf_cleanup;
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ret = ath6kl_debug_init_fs(ar);
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if (ret) {
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wiphy_unregister(ar->wiphy);
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goto err_rxbuf_cleanup;
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}
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for (i = 0; i < ar->vif_max; i++)
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ar->avail_idx_map |= BIT(i);
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rtnl_lock();
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/* Add an initial station interface */
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wdev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
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INFRA_NETWORK);
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rtnl_unlock();
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if (!wdev) {
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ath6kl_err("Failed to instantiate a network device\n");
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ret = -ENOMEM;
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wiphy_unregister(ar->wiphy);
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goto err_rxbuf_cleanup;
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}
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ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
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__func__, wdev->netdev->name, wdev->netdev, ar);
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ar->fw_recovery.enable = !!recovery_enable;
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if (!ar->fw_recovery.enable)
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return ret;
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if (heart_beat_poll &&
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test_bit(ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
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ar->fw_capabilities))
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ar->fw_recovery.hb_poll = heart_beat_poll;
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ath6kl_recovery_init(ar);
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return ret;
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err_rxbuf_cleanup:
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ath6kl_debug_cleanup(ar);
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ath6kl_htc_flush_rx_buf(ar->htc_target);
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ath6kl_cleanup_amsdu_rxbufs(ar);
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ath6kl_wmi_shutdown(ar->wmi);
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clear_bit(WMI_ENABLED, &ar->flag);
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ar->wmi = NULL;
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err_htc_cleanup:
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ath6kl_htc_cleanup(ar->htc_target);
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err_power_off:
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ath6kl_hif_power_off(ar);
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err_bmi_cleanup:
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ath6kl_bmi_cleanup(ar);
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err_wq:
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destroy_workqueue(ar->ath6kl_wq);
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return ret;
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}
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EXPORT_SYMBOL(ath6kl_core_init);
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struct ath6kl *ath6kl_core_create(struct device *dev)
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{
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struct ath6kl *ar;
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u8 ctr;
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ar = ath6kl_cfg80211_create();
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if (!ar)
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return NULL;
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ar->p2p = !!ath6kl_p2p;
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ar->dev = dev;
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ar->vif_max = 1;
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ar->max_norm_iface = 1;
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spin_lock_init(&ar->lock);
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spin_lock_init(&ar->mcastpsq_lock);
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spin_lock_init(&ar->list_lock);
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init_waitqueue_head(&ar->event_wq);
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sema_init(&ar->sem, 1);
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INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue);
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INIT_LIST_HEAD(&ar->vif_list);
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clear_bit(WMI_ENABLED, &ar->flag);
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clear_bit(SKIP_SCAN, &ar->flag);
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clear_bit(DESTROY_IN_PROGRESS, &ar->flag);
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ar->tx_pwr = 0;
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ar->intra_bss = 1;
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ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD;
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ar->state = ATH6KL_STATE_OFF;
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memset((u8 *)ar->sta_list, 0,
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AP_MAX_NUM_STA * sizeof(struct ath6kl_sta));
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/* Init the PS queues */
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for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
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spin_lock_init(&ar->sta_list[ctr].psq_lock);
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skb_queue_head_init(&ar->sta_list[ctr].psq);
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skb_queue_head_init(&ar->sta_list[ctr].apsdq);
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ar->sta_list[ctr].mgmt_psq_len = 0;
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INIT_LIST_HEAD(&ar->sta_list[ctr].mgmt_psq);
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ar->sta_list[ctr].aggr_conn =
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kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL);
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if (!ar->sta_list[ctr].aggr_conn) {
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ath6kl_err("Failed to allocate memory for sta aggregation information\n");
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ath6kl_core_destroy(ar);
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return NULL;
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}
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}
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skb_queue_head_init(&ar->mcastpsq);
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memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3);
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return ar;
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}
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EXPORT_SYMBOL(ath6kl_core_create);
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void ath6kl_core_cleanup(struct ath6kl *ar)
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{
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ath6kl_hif_power_off(ar);
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ath6kl_recovery_cleanup(ar);
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destroy_workqueue(ar->ath6kl_wq);
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if (ar->htc_target)
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ath6kl_htc_cleanup(ar->htc_target);
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ath6kl_cookie_cleanup(ar);
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ath6kl_cleanup_amsdu_rxbufs(ar);
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ath6kl_bmi_cleanup(ar);
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ath6kl_debug_cleanup(ar);
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kfree(ar->fw_board);
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kfree(ar->fw_otp);
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vfree(ar->fw);
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kfree(ar->fw_patch);
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kfree(ar->fw_testscript);
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ath6kl_cfg80211_cleanup(ar);
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}
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EXPORT_SYMBOL(ath6kl_core_cleanup);
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void ath6kl_core_destroy(struct ath6kl *ar)
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{
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ath6kl_cfg80211_destroy(ar);
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}
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EXPORT_SYMBOL(ath6kl_core_destroy);
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MODULE_AUTHOR("Qualcomm Atheros");
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MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices.");
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MODULE_LICENSE("Dual BSD/GPL");
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