drivers/net/wireless/iwlwifi/iwl-core.h - linux - Git at Google

 /******************************************************************************
  *
  * This file is provided under a dual BSD/GPLv2 license.  When using or
  * redistributing this file, you may do so under either license.
  *
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
  * published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  * USA
  *
  * The full GNU General Public License is included in this distribution
  * in the file called LICENSE.GPL.
  *
  * Contact Information:
  *  Intel Linux Wireless <ilw@linux.intel.com>
  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  *
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
  *  * Neither the name Intel Corporation nor the names of its
  *    contributors may be used to endorse or promote products derived
  *    from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *****************************************************************************/

 #ifndef __iwl_core_h__
 #define __iwl_core_h__

 #include "iwl-dev.h"
 #include "iwl-io.h"

 /************************
  * forward declarations *
  ************************/
 struct iwl_host_cmd;
 struct iwl_cmd;

 #define TIME_UNIT		1024

 struct iwl_lib_ops {
 	/* set hw dependent parameters */
 	void (*set_hw_params)(struct iwl_priv *priv);
 	int (*set_channel_switch)(struct iwl_priv *priv,
 				  struct ieee80211_channel_switch *ch_switch);
 	/* device specific configuration */
 	void (*nic_config)(struct iwl_priv *priv);

 	/* eeprom operations (as defined in iwl-eeprom.h) */
 	struct iwl_eeprom_ops eeprom_ops;

 	/* temperature */
 	void (*temperature)(struct iwl_priv *priv);
 };

 /***************************
  *   L i b                 *
  ***************************/

 void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 			   int hw_decrypt);
 int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 int iwl_full_rxon_required(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
 			 struct iwl_rxon_context *ctx);
 void iwl_set_flags_for_band(struct iwl_priv *priv,
 			    struct iwl_rxon_context *ctx,
 			    enum ieee80211_band band,
 			    struct ieee80211_vif *vif);
 u8 iwl_get_single_channel_number(struct iwl_priv *priv,
 				  enum ieee80211_band band);
 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 			    struct iwl_rxon_context *ctx,
 			    struct ieee80211_sta_ht_cap *ht_cap);
 void iwl_connection_init_rx_config(struct iwl_priv *priv,
 				   struct iwl_rxon_context *ctx);
 void iwl_set_rate(struct iwl_priv *priv);
 int iwl_cmd_echo_test(struct iwl_priv *priv);
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 int iwl_alloc_traffic_mem(struct iwl_priv *priv);
 void iwl_free_traffic_mem(struct iwl_priv *priv);
 void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
 				u16 length, struct ieee80211_hdr *header);
 void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
 				u16 length, struct ieee80211_hdr *header);
 const char *get_mgmt_string(int cmd);
 const char *get_ctrl_string(int cmd);
 void iwl_clear_traffic_stats(struct iwl_priv *priv);
 void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc,
 		      u16 len);
 void iwl_reset_traffic_log(struct iwl_priv *priv);

 #else
 static inline int iwl_alloc_traffic_mem(struct iwl_priv *priv)
 {
 	return 0;
 }
 static inline void iwl_free_traffic_mem(struct iwl_priv *priv)
 {
 }
 static inline void iwl_reset_traffic_log(struct iwl_priv *priv)
 {
 }
 static inline void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
 		      u16 length, struct ieee80211_hdr *header)
 {
 }
 static inline void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
 		      u16 length, struct ieee80211_hdr *header)
 {
 }
 static inline void iwl_update_stats(struct iwl_priv *priv, bool is_tx,
 				    __le16 fc, u16 len)
 {
 }
 #endif

 /*****************************************************
 * RX
 ******************************************************/
 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);

 void iwl_setup_watchdog(struct iwl_priv *priv);
 /*****************************************************
  * TX power
  ****************************************************/
 int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);

 /*******************************************************************************
  * Scanning
  ******************************************************************************/
 void iwl_init_scan_params(struct iwl_priv *priv);
 int iwl_scan_cancel(struct iwl_priv *priv);
 void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
 void iwl_force_scan_end(struct iwl_priv *priv);
 void iwl_internal_short_hw_scan(struct iwl_priv *priv);
 int iwl_force_reset(struct iwl_priv *priv, int mode, bool external);
 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
 void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
 int __must_check iwl_scan_initiate(struct iwl_priv *priv,
 				   struct ieee80211_vif *vif,
 				   enum iwl_scan_type scan_type,
 				   enum ieee80211_band band);

 /* For faster active scanning, scan will move to the next channel if fewer than
  * PLCP_QUIET_THRESH packets are heard on this channel within
  * ACTIVE_QUIET_TIME after sending probe request.  This shortens the dwell
  * time if it's a quiet channel (nothing responded to our probe, and there's
  * no other traffic).
  * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
 #define IWL_ACTIVE_QUIET_TIME       cpu_to_le16(10)  /* msec */
 #define IWL_PLCP_QUIET_THRESH       cpu_to_le16(1)  /* packets */

 #define IWL_SCAN_CHECK_WATCHDOG		(HZ * 7)

 /* traffic log definitions */
 #define IWL_TRAFFIC_ENTRIES	(256)
 #define IWL_TRAFFIC_ENTRY_SIZE  (64)

 /*****************************************************
  *   S e n d i n g     H o s t     C o m m a n d s   *
  *****************************************************/

 void iwl_bg_watchdog(unsigned long data);
 u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval);
 __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
 			   u32 addon, u32 beacon_interval);


 /*****************************************************
 *  GEOS
 ******************************************************/
 int iwl_init_geos(struct iwl_priv *priv);
 void iwl_free_geos(struct iwl_priv *priv);

 extern void iwl_send_bt_config(struct iwl_priv *priv);
 extern int iwl_send_statistics_request(struct iwl_priv *priv,
 				       u8 flags, bool clear);

 int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx);

 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
 			struct iwl_priv *priv, enum ieee80211_band band)
 {
 	return priv->hw->wiphy->bands[band];
 }

 static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
 {
 	return cfg(priv)->bt_params &&
 	       cfg(priv)->bt_params->advanced_bt_coexist;
 }

 extern bool bt_siso_mode;

 #endif /* __iwl_core_h__ */
	/******************************************************************************
	*
	* This file is provided under a dual BSD/GPLv2 license. When using or
	* redistributing this file, you may do so under either license.
	*
	* GPL LICENSE SUMMARY
	*
	* Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of version 2 of the GNU General Public License as
	* published by the Free Software Foundation.
	*
	* This program is distributed in the hope that it will be useful, but
	* WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
	* USA
	*
	* The full GNU General Public License is included in this distribution
	* in the file called LICENSE.GPL.
	*
	* Contact Information:
	* Intel Linux Wireless <ilw@linux.intel.com>
	* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
	*
	* BSD LICENSE
	*
	* Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	*
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in
	* the documentation and/or other materials provided with the
	* distribution.
	* * Neither the name Intel Corporation nor the names of its
	* contributors may be used to endorse or promote products derived
	* from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*****************************************************************************/

	#ifndef __iwl_core_h__
	#define __iwl_core_h__

	#include "iwl-dev.h"
	#include "iwl-io.h"

	/************************
	* forward declarations *
	************************/
	struct iwl_host_cmd;
	struct iwl_cmd;

	#define TIME_UNIT 1024

	struct iwl_lib_ops {
	/* set hw dependent parameters */
	void (set_hw_params)(struct iwl_priv priv);
	int (set_channel_switch)(struct iwl_priv priv,
	struct ieee80211_channel_switch *ch_switch);
	/* device specific configuration */
	void (nic_config)(struct iwl_priv priv);

	/* eeprom operations (as defined in iwl-eeprom.h) */
	struct iwl_eeprom_ops eeprom_ops;

	/* temperature */
	void (temperature)(struct iwl_priv priv);
	};

	/***************************
	* L i b *
	***************************/

	void iwl_set_rxon_hwcrypto(struct iwl_priv priv, struct iwl_rxon_context ctx,
	int hw_decrypt);
	int iwl_check_rxon_cmd(struct iwl_priv priv, struct iwl_rxon_context ctx);
	int iwl_full_rxon_required(struct iwl_priv priv, struct iwl_rxon_context ctx);
	void iwl_set_rxon_channel(struct iwl_priv priv, struct ieee80211_channel ch,
	struct iwl_rxon_context *ctx);
	void iwl_set_flags_for_band(struct iwl_priv *priv,
	struct iwl_rxon_context *ctx,
	enum ieee80211_band band,
	struct ieee80211_vif *vif);
	u8 iwl_get_single_channel_number(struct iwl_priv *priv,
	enum ieee80211_band band);
	void iwl_set_rxon_ht(struct iwl_priv priv, struct iwl_ht_config ht_conf);
	bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
	struct iwl_rxon_context *ctx,
	struct ieee80211_sta_ht_cap *ht_cap);
	void iwl_connection_init_rx_config(struct iwl_priv *priv,
	struct iwl_rxon_context *ctx);
	void iwl_set_rate(struct iwl_priv *priv);
	int iwl_cmd_echo_test(struct iwl_priv *priv);
	#ifdef CONFIG_IWLWIFI_DEBUGFS
	int iwl_alloc_traffic_mem(struct iwl_priv *priv);
	void iwl_free_traffic_mem(struct iwl_priv *priv);
	void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
	u16 length, struct ieee80211_hdr *header);
	void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
	u16 length, struct ieee80211_hdr *header);
	const char *get_mgmt_string(int cmd);
	const char *get_ctrl_string(int cmd);
	void iwl_clear_traffic_stats(struct iwl_priv *priv);
	void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc,
	u16 len);
	void iwl_reset_traffic_log(struct iwl_priv *priv);

	#else
	static inline int iwl_alloc_traffic_mem(struct iwl_priv *priv)
	{
	return 0;
	}
	static inline void iwl_free_traffic_mem(struct iwl_priv *priv)
	{
	}
	static inline void iwl_reset_traffic_log(struct iwl_priv *priv)
	{
	}
	static inline void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
	u16 length, struct ieee80211_hdr *header)
	{
	}
	static inline void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
	u16 length, struct ieee80211_hdr *header)
	{
	}
	static inline void iwl_update_stats(struct iwl_priv *priv, bool is_tx,
	__le16 fc, u16 len)
	{
	}
	#endif

	/*****************************************************
	* RX
	******************************************************/
	void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);

	void iwl_setup_watchdog(struct iwl_priv *priv);
	/*****************************************************
	* TX power
	****************************************************/
	int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);

	/*******************************************************************************
	* Scanning
	******************************************************************************/
	void iwl_init_scan_params(struct iwl_priv *priv);
	int iwl_scan_cancel(struct iwl_priv *priv);
	void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
	void iwl_force_scan_end(struct iwl_priv *priv);
	void iwl_internal_short_hw_scan(struct iwl_priv *priv);
	int iwl_force_reset(struct iwl_priv *priv, int mode, bool external);
	void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
	void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
	void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
	int __must_check iwl_scan_initiate(struct iwl_priv *priv,
	struct ieee80211_vif *vif,
	enum iwl_scan_type scan_type,
	enum ieee80211_band band);

	/* For faster active scanning, scan will move to the next channel if fewer than
	* PLCP_QUIET_THRESH packets are heard on this channel within
	* ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
	* time if it's a quiet channel (nothing responded to our probe, and there's
	* no other traffic).
	* Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
	#define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
	#define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */

	#define IWL_SCAN_CHECK_WATCHDOG (HZ * 7)

	/* traffic log definitions */
	#define IWL_TRAFFIC_ENTRIES (256)
	#define IWL_TRAFFIC_ENTRY_SIZE (64)

	/*****************************************************
	* S e n d i n g H o s t C o m m a n d s *
	*****************************************************/

	void iwl_bg_watchdog(unsigned long data);
	u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval);
	__le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
	u32 addon, u32 beacon_interval);


	/*****************************************************
	* GEOS
	******************************************************/
	int iwl_init_geos(struct iwl_priv *priv);
	void iwl_free_geos(struct iwl_priv *priv);

	extern void iwl_send_bt_config(struct iwl_priv *priv);
	extern int iwl_send_statistics_request(struct iwl_priv *priv,
	u8 flags, bool clear);

	int iwl_send_rxon_timing(struct iwl_priv priv, struct iwl_rxon_context ctx);

	static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
	struct iwl_priv *priv, enum ieee80211_band band)
	{
	return priv->hw->wiphy->bands[band];
	}

	static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
	{
	return cfg(priv)->bt_params &&
	cfg(priv)->bt_params->advanced_bt_coexist;
	}

	extern bool bt_siso_mode;

	#endif /* __iwl_core_h__ */