[deliverable/linux.git] / drivers / net / wireless / iwlwifi / 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__ */
Commit	Line	Data
	1	/******************************************************************************
	2	*
	3	* This file is provided under a dual BSD/GPLv2 license. When using or
	4	* redistributing this file, you may do so under either license.
	5	*
	6	* GPL LICENSE SUMMARY
	7	*
	8	* Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of version 2 of the GNU General Public License as
	12	* published by the Free Software Foundation.
	13	*
	14	* This program is distributed in the hope that it will be useful, but
	15	* WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
	22	* USA
	23	*
	24	* The full GNU General Public License is included in this distribution
	25	* in the file called LICENSE.GPL.
	26	*
	27	* Contact Information:
	28	* Intel Linux Wireless <ilw@linux.intel.com>
	29	* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
	30	*
	31	* BSD LICENSE
	32	*
	33	* Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
	34	* All rights reserved.
	35	*
	36	* Redistribution and use in source and binary forms, with or without
	37	* modification, are permitted provided that the following conditions
	38	* are met:
	39	*
	40	* * Redistributions of source code must retain the above copyright
	41	* notice, this list of conditions and the following disclaimer.
	42	* * Redistributions in binary form must reproduce the above copyright
	43	* notice, this list of conditions and the following disclaimer in
	44	* the documentation and/or other materials provided with the
	45	* distribution.
	46	* * Neither the name Intel Corporation nor the names of its
	47	* contributors may be used to endorse or promote products derived
	48	* from this software without specific prior written permission.
	49	*
	50	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	51	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	52	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	53	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	54	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	55	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	56	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	57	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	58	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	59	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	60	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	61	*****************************************************************************/
	62
	63	#ifndef __iwl_core_h__
	64	#define __iwl_core_h__
	65
	66	#include "iwl-dev.h"
	67	#include "iwl-io.h"
	68
	69	/************************
	70	* forward declarations *
	71	************************/
	72	struct iwl_host_cmd;
	73	struct iwl_cmd;
	74
	75	#define TIME_UNIT 1024
	76
	77	struct iwl_lib_ops {
	78	/* set hw dependent parameters */
	79	void (set_hw_params)(struct iwl_priv priv);
	80	int (set_channel_switch)(struct iwl_priv priv,
	81	struct ieee80211_channel_switch *ch_switch);
	82	/* device specific configuration */
	83	void (nic_config)(struct iwl_priv priv);
	84
	85	/* eeprom operations (as defined in iwl-eeprom.h) */
	86	struct iwl_eeprom_ops eeprom_ops;
	87
	88	/* temperature */
	89	void (temperature)(struct iwl_priv priv);
	90	};
	91
	92	/***************************
	93	* L i b *
	94	***************************/
	95
	96	void iwl_set_rxon_hwcrypto(struct iwl_priv priv, struct iwl_rxon_context ctx,
	97	int hw_decrypt);
	98	int iwl_check_rxon_cmd(struct iwl_priv priv, struct iwl_rxon_context ctx);
	99	int iwl_full_rxon_required(struct iwl_priv priv, struct iwl_rxon_context ctx);
	100	void iwl_set_rxon_channel(struct iwl_priv priv, struct ieee80211_channel ch,
	101	struct iwl_rxon_context *ctx);
	102	void iwl_set_flags_for_band(struct iwl_priv *priv,
	103	struct iwl_rxon_context *ctx,
	104	enum ieee80211_band band,
	105	struct ieee80211_vif *vif);
	106	u8 iwl_get_single_channel_number(struct iwl_priv *priv,
	107	enum ieee80211_band band);
	108	void iwl_set_rxon_ht(struct iwl_priv priv, struct iwl_ht_config ht_conf);
	109	bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
	110	struct iwl_rxon_context *ctx,
	111	struct ieee80211_sta_ht_cap *ht_cap);
	112	void iwl_connection_init_rx_config(struct iwl_priv *priv,
	113	struct iwl_rxon_context *ctx);
	114	void iwl_set_rate(struct iwl_priv *priv);
	115	int iwl_cmd_echo_test(struct iwl_priv *priv);
	116	#ifdef CONFIG_IWLWIFI_DEBUGFS
	117	int iwl_alloc_traffic_mem(struct iwl_priv *priv);
	118	void iwl_free_traffic_mem(struct iwl_priv *priv);
	119	void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
	120	u16 length, struct ieee80211_hdr *header);
	121	void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
	122	u16 length, struct ieee80211_hdr *header);
	123	const char *get_mgmt_string(int cmd);
	124	const char *get_ctrl_string(int cmd);
	125	void iwl_clear_traffic_stats(struct iwl_priv *priv);
	126	void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc,
	127	u16 len);
	128	void iwl_reset_traffic_log(struct iwl_priv *priv);
	129
	130	#else
	131	static inline int iwl_alloc_traffic_mem(struct iwl_priv *priv)
	132	{
	133	return 0;
	134	}
	135	static inline void iwl_free_traffic_mem(struct iwl_priv *priv)
	136	{
	137	}
	138	static inline void iwl_reset_traffic_log(struct iwl_priv *priv)
	139	{
	140	}
	141	static inline void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
	142	u16 length, struct ieee80211_hdr *header)
	143	{
	144	}
	145	static inline void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
	146	u16 length, struct ieee80211_hdr *header)
	147	{
	148	}
	149	static inline void iwl_update_stats(struct iwl_priv *priv, bool is_tx,
	150	__le16 fc, u16 len)
	151	{
	152	}
	153	#endif
	154
	155	/*****************************************************
	156	* RX
	157	******************************************************/
	158	void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
	159
	160	void iwl_setup_watchdog(struct iwl_priv *priv);
	161	/*****************************************************
	162	* TX power
	163	****************************************************/
	164	int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
	165
	166	/*******************************************************************************
	167	* Scanning
	168	******************************************************************************/
	169	void iwl_init_scan_params(struct iwl_priv *priv);
	170	int iwl_scan_cancel(struct iwl_priv *priv);
	171	void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
	172	void iwl_force_scan_end(struct iwl_priv *priv);
	173	void iwl_internal_short_hw_scan(struct iwl_priv *priv);
	174	int iwl_force_reset(struct iwl_priv *priv, int mode, bool external);
	175	void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
	176	void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
	177	void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
	178	int __must_check iwl_scan_initiate(struct iwl_priv *priv,
	179	struct ieee80211_vif *vif,
	180	enum iwl_scan_type scan_type,
	181	enum ieee80211_band band);
	182
	183	/* For faster active scanning, scan will move to the next channel if fewer than
	184	* PLCP_QUIET_THRESH packets are heard on this channel within
	185	* ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
	186	* time if it's a quiet channel (nothing responded to our probe, and there's
	187	* no other traffic).
	188	* Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
	189	#define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
	190	#define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */
	191
	192	#define IWL_SCAN_CHECK_WATCHDOG (HZ * 7)
	193
	194	/* traffic log definitions */
	195	#define IWL_TRAFFIC_ENTRIES (256)
	196	#define IWL_TRAFFIC_ENTRY_SIZE (64)
	197
	198	/*****************************************************
	199	* S e n d i n g H o s t C o m m a n d s *
	200	*****************************************************/
	201
	202	void iwl_bg_watchdog(unsigned long data);
	203	u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval);
	204	__le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
	205	u32 addon, u32 beacon_interval);
	206
	207
	208	/*****************************************************
	209	* GEOS
	210	******************************************************/
	211	int iwl_init_geos(struct iwl_priv *priv);
	212	void iwl_free_geos(struct iwl_priv *priv);
	213
	214	extern void iwl_send_bt_config(struct iwl_priv *priv);
	215	extern int iwl_send_statistics_request(struct iwl_priv *priv,
	216	u8 flags, bool clear);
	217
	218	int iwl_send_rxon_timing(struct iwl_priv priv, struct iwl_rxon_context ctx);
	219
	220	static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
	221	struct iwl_priv *priv, enum ieee80211_band band)
	222	{
	223	return priv->hw->wiphy->bands[band];
	224	}
	225
	226	static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
	227	{
	228	return cfg(priv)->bt_params &&
	229	cfg(priv)->bt_params->advanced_bt_coexist;
	230	}
	231
	232	extern bool bt_siso_mode;
	233
	234	#endif /* __iwl_core_h__ */