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367 lines
9.1 KiB
367 lines
9.1 KiB
/* |
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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 uart_rate = 115200; |
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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(uart_rate, 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, |
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"Enable fw error detection periodic polling in msecs - Also set recovery_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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/* |
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* Backwards compatibility support for older ar6004 firmware images |
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* which do not set these feature flags. |
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*/ |
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if (ar->target_type == TARGET_TYPE_AR6004 && |
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ar->fw_api <= 4) { |
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__set_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES, |
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ar->fw_capabilities); |
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__set_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, |
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ar->fw_capabilities); |
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if (ar->hw.id == AR6004_HW_1_3_VERSION) |
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__set_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, |
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ar->fw_capabilities); |
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} |
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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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ar->hw.uarttx_rate = uart_rate; |
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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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wiphy_lock(ar->wiphy); |
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/* Add an initial station interface */ |
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wdev = ath6kl_interface_add(ar, "wlan%d", NET_NAME_ENUM, |
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NL80211_IFTYPE_STATION, 0, INFRA_NETWORK); |
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wiphy_unlock(ar->wiphy); |
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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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