[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-shared.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) 2007 - 2011 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 - 2011 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_shared_h__
#define __iwl_shared_h__

#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/gfp.h>
#include <net/mac80211.h>

#include "iwl-commands.h"

/*This files includes all the types / functions that are exported by the
 * upper layer to the bus and transport layer */

struct iwl_cfg;
struct iwl_bus;
struct iwl_priv;
struct iwl_sensitivity_ranges;
struct iwl_trans_ops;

#define DRV_NAME        "iwlagn"
#define IWLWIFI_VERSION "in-tree:"
#define DRV_COPYRIGHT	"Copyright(c) 2003-2011 Intel Corporation"
#define DRV_AUTHOR     "<ilw@linux.intel.com>"

extern struct iwl_mod_params iwlagn_mod_params;

/**
 * struct iwl_mod_params
 * @sw_crypto: using hardware encryption, default = 0
 * @num_of_queues: number of tx queue, HW dependent
 * @disable_11n: 11n capabilities enabled, default = 0
 * @amsdu_size_8K: enable 8K amsdu size, default = 1
 * @antenna: both antennas (use diversity), default = 0
 * @restart_fw: restart firmware, default = 1
 * @plcp_check: enable plcp health check, default = true
 * @ack_check: disable ack health check, default = false
 * @wd_disable: enable stuck queue check, default = false
 * @bt_coex_active: enable bt coex, default = true
 * @led_mode: system default, default = 0
 * @no_sleep_autoadjust: disable autoadjust, default = true
 * @power_save: disable power save, default = false
 * @power_level: power level, default = 1
 * @debug_level: levels are IWL_DL_*
 * @ant_coupling: antenna coupling in dB, default = 0
 * @bt_ch_announce: BT channel inhibition, default = enable
 * @wanted_ucode_alternative: ucode alternative to use, default = 1
 * @auto_agg: enable agg. without check, default = true
 */
struct iwl_mod_params {
	int sw_crypto;
	int num_of_queues;
	int disable_11n;
	int amsdu_size_8K;
	int antenna;
	int restart_fw;
	bool plcp_check;
	bool ack_check;
	bool wd_disable;
	bool bt_coex_active;
	int led_mode;
	bool no_sleep_autoadjust;
	bool power_save;
	int power_level;
	u32 debug_level;
	int ant_coupling;
	bool bt_ch_announce;
	int wanted_ucode_alternative;
	bool auto_agg;
};

/**
 * struct iwl_hw_params
 * @max_txq_num: Max # Tx queues supported
 * @num_ampdu_queues: num of ampdu queues
 * @tx/rx_chains_num: Number of TX/RX chains
 * @valid_tx/rx_ant: usable antennas
 * @max_stations:
 * @ht40_channel: is 40MHz width possible in band 2.4
 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time
 * @sku:
 * @rx_page_order: Rx buffer page order
 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
 * @sw_crypto: 0 for hw, 1 for sw
 * @max_xxx_size: for ucode uses
 * @ct_kill_threshold: temperature threshold
 * @wd_timeout: TX queues watchdog timeout
 * @calib_init_cfg: setup initial calibrations for the hw
 * @calib_rt_cfg: setup runtime calibrations for the hw
 * @struct iwl_sensitivity_ranges: range of sensitivity values
 */
struct iwl_hw_params {
	u8  max_txq_num;
	u8  num_ampdu_queues;
	u8  tx_chains_num;
	u8  rx_chains_num;
	u8  valid_tx_ant;
	u8  valid_rx_ant;
	u8  max_stations;
	u8  ht40_channel;
	bool shadow_reg_enable;
	u16 beacon_time_tsf_bits;
	u16 sku;
	u32 rx_page_order;
	u32 max_inst_size;
	u32 max_data_size;
	u32 ct_kill_threshold; /* value in hw-dependent units */
	u32 ct_kill_exit_threshold; /* value in hw-dependent units */
				    /* for 1000, 6000 series and up */
	unsigned int wd_timeout;

	u32 calib_init_cfg;
	u32 calib_rt_cfg;
	const struct iwl_sensitivity_ranges *sens;
};

/**
 * struct iwl_ht_agg - aggregation status while waiting for block-ack
 * @txq_id: Tx queue used for Tx attempt
 * @wait_for_ba: Expect block-ack before next Tx reply
 * @rate_n_flags: Rate at which Tx was attempted
 *
 * If REPLY_TX indicates that aggregation was attempted, driver must wait
 * for block ack (REPLY_COMPRESSED_BA).  This struct stores tx reply info
 * until block ack arrives.
 */
struct iwl_ht_agg {
	u16 txq_id;
	u16 wait_for_ba;
	u32 rate_n_flags;
#define IWL_AGG_OFF 0
#define IWL_AGG_ON 1
#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
#define IWL_EMPTYING_HW_QUEUE_DELBA 3
	u8 state;
};

struct iwl_tid_data {
	u16 seq_number; /* agn only */
	u16 tfds_in_queue;
	struct iwl_ht_agg agg;
};

/**
 * struct iwl_shared - shared fields for all the layers of the driver
 *
 * @dbg_level_dev: dbg level set per device. Prevails on
 *	iwlagn_mod_params.debug_level if set (!= 0)
 * @ucode_owner: IWL_OWNERSHIP_*
 * @cmd_queue: command queue number
 * @status: STATUS_*
 * @bus: pointer to the bus layer data
 * @priv: pointer to the upper layer data
 * @hw_params: see struct iwl_hw_params
 * @workqueue: the workqueue used by all the layers of the driver
 * @lock: protect general shared data
 * @sta_lock: protects the station table.
 *	If lock and sta_lock are needed, lock must be acquired first.
 * @mutex:
 */
struct iwl_shared {
#ifdef CONFIG_IWLWIFI_DEBUG
	u32 dbg_level_dev;
#endif /* CONFIG_IWLWIFI_DEBUG */

#define IWL_OWNERSHIP_DRIVER	0
#define IWL_OWNERSHIP_TM	1
	u8 ucode_owner;
	u8 cmd_queue;
	unsigned long status;
	bool wowlan;

	struct iwl_bus *bus;
	struct iwl_priv *priv;
	struct iwl_trans *trans;
	struct iwl_hw_params hw_params;

	struct workqueue_struct *workqueue;
	spinlock_t lock;
	spinlock_t sta_lock;
	struct mutex mutex;

	/*these 2 shouldn't really be here, but they are needed for
	 * iwl_queue_stop, which is called from the upper layer too
	 */
	u8 mac80211_registered;
	struct ieee80211_hw *hw;

	struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
};

/*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */
#define priv(_m)	((_m)->shrd->priv)
#define bus(_m)		((_m)->shrd->bus)
#define trans(_m)	((_m)->shrd->trans)
#define hw_params(_m)	((_m)->shrd->hw_params)

#ifdef CONFIG_IWLWIFI_DEBUG
/*
 * iwl_get_debug_level: Return active debug level for device
 *
 * Using sysfs it is possible to set per device debug level. This debug
 * level will be used if set, otherwise the global debug level which can be
 * set via module parameter is used.
 */
static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
{
	if (shrd->dbg_level_dev)
		return shrd->dbg_level_dev;
	else
		return iwlagn_mod_params.debug_level;
}
#else
static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
{
	return iwlagn_mod_params.debug_level;
}
#endif

static inline void iwl_free_pages(struct iwl_shared *shrd, unsigned long page)
{
	free_pages(page, shrd->hw_params.rx_page_order);
}

struct iwl_rx_mem_buffer {
	dma_addr_t page_dma;
	struct page *page;
	struct list_head list;
};

#define rxb_addr(r) page_address(r->page)

/*
 * mac80211 queues, ACs, hardware queues, FIFOs.
 *
 * Cf. http://wireless.kernel.org/en/developers/Documentation/mac80211/queues
 *
 * Mac80211 uses the following numbers, which we get as from it
 * by way of skb_get_queue_mapping(skb):
 *
 *	VO	0
 *	VI	1
 *	BE	2
 *	BK	3
 *
 *
 * Regular (not A-MPDU) frames are put into hardware queues corresponding
 * to the FIFOs, see comments in iwl-prph.h. Aggregated frames get their
 * own queue per aggregation session (RA/TID combination), such queues are
 * set up to map into FIFOs too, for which we need an AC->FIFO mapping. In
 * order to map frames to the right queue, we also need an AC->hw queue
 * mapping. This is implemented here.
 *
 * Due to the way hw queues are set up (by the hw specific modules like
 * iwl-4965.c, iwl-5000.c etc.), the AC->hw queue mapping is the identity
 * mapping.
 */

static const u8 tid_to_ac[] = {
	IEEE80211_AC_BE,
	IEEE80211_AC_BK,
	IEEE80211_AC_BK,
	IEEE80211_AC_BE,
	IEEE80211_AC_VI,
	IEEE80211_AC_VI,
	IEEE80211_AC_VO,
	IEEE80211_AC_VO
};

static inline int get_ac_from_tid(u16 tid)
{
	if (likely(tid < ARRAY_SIZE(tid_to_ac)))
		return tid_to_ac[tid];

	/* no support for TIDs 8-15 yet */
	return -EINVAL;
}

enum iwl_rxon_context_id {
	IWL_RXON_CTX_BSS,
	IWL_RXON_CTX_PAN,

	NUM_IWL_RXON_CTX
};

#ifdef CONFIG_PM
int iwl_suspend(struct iwl_priv *priv);
int iwl_resume(struct iwl_priv *priv);
#endif /* !CONFIG_PM */

int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
		struct iwl_cfg *cfg);
void __devexit iwl_remove(struct iwl_priv * priv);

void iwl_start_tx_ba_trans_ready(struct iwl_priv *priv,
				 enum iwl_rxon_context_id ctx,
				 u8 sta_id, u8 tid);
void iwl_stop_tx_ba_trans_ready(struct iwl_priv *priv,
				enum iwl_rxon_context_id ctx,
				u8 sta_id, u8 tid);

/*****************************************************
* DRIVER STATUS FUNCTIONS
******************************************************/
#define STATUS_HCMD_ACTIVE	0	/* host command in progress */
/* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */
#define STATUS_INT_ENABLED	2
#define STATUS_RF_KILL_HW	3
#define STATUS_CT_KILL		4
#define STATUS_INIT		5
#define STATUS_ALIVE		6
#define STATUS_READY		7
#define STATUS_TEMPERATURE	8
#define STATUS_GEO_CONFIGURED	9
#define STATUS_EXIT_PENDING	10
#define STATUS_STATISTICS	12
#define STATUS_SCANNING		13
#define STATUS_SCAN_ABORTING	14
#define STATUS_SCAN_HW		15
#define STATUS_POWER_PMI	16
#define STATUS_FW_ERROR		17
#define STATUS_DEVICE_ENABLED	18
#define STATUS_CHANNEL_SWITCH_PENDING 19

static inline int iwl_is_ready(struct iwl_shared *shrd)
{
	/* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
	 * set but EXIT_PENDING is not */
	return test_bit(STATUS_READY, &shrd->status) &&
	       test_bit(STATUS_GEO_CONFIGURED, &shrd->status) &&
	       !test_bit(STATUS_EXIT_PENDING, &shrd->status);
}

static inline int iwl_is_alive(struct iwl_shared *shrd)
{
	return test_bit(STATUS_ALIVE, &shrd->status);
}

static inline int iwl_is_init(struct iwl_shared *shrd)
{
	return test_bit(STATUS_INIT, &shrd->status);
}

static inline int iwl_is_rfkill_hw(struct iwl_shared *shrd)
{
	return test_bit(STATUS_RF_KILL_HW, &shrd->status);
}

static inline int iwl_is_rfkill(struct iwl_shared *shrd)
{
	return iwl_is_rfkill_hw(shrd);
}

static inline int iwl_is_ctkill(struct iwl_shared *shrd)
{
	return test_bit(STATUS_CT_KILL, &shrd->status);
}

static inline int iwl_is_ready_rf(struct iwl_shared *shrd)
{
	if (iwl_is_rfkill(shrd))
		return 0;

	return iwl_is_ready(shrd);
}

#endif /* #__iwl_shared_h__ */
Commit	Line	Data
48f20d35 EG	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) 2007 - 2011 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 - 2011 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_shared_h__
	64	#define __iwl_shared_h__
65
a72b8b08 EG	66	#include <linux/types.h>
	67	#include <linux/spinlock.h>
	68	#include <linux/mutex.h>
	69	#include <linux/gfp.h>
ba562f71	70	#include <net/mac80211.h>
a72b8b08	71
5f85a789 EG	72	#include "iwl-commands.h"
5f85a789 EG	73
e6bb4c9c EG	74	/*This files includes all the types / functions that are exported by the
	75	* upper layer to the bus and transport layer */
	76
48f20d35	77	struct iwl_cfg;
cac988a6	78	struct iwl_bus;
48f20d35	79	struct iwl_priv;
d6189124	80	struct iwl_sensitivity_ranges;
e6bb4c9c	81	struct iwl_trans_ops;
48f20d35	82
332a4bad EG	83	#define DRV_NAME "iwlagn"
	84	#define IWLWIFI_VERSION "in-tree:"
	85	#define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation"
	86	#define DRV_AUTHOR "<ilw@linux.intel.com>"
	87
48f20d35 EG	88	extern struct iwl_mod_params iwlagn_mod_params;
48f20d35 EG	89
e4ef84d9 WYG	90	/**
	91	* struct iwl_mod_params
	92	* @sw_crypto: using hardware encryption, default = 0
	93	* @num_of_queues: number of tx queue, HW dependent
	94	* @disable_11n: 11n capabilities enabled, default = 0
	95	* @amsdu_size_8K: enable 8K amsdu size, default = 1
	96	* @antenna: both antennas (use diversity), default = 0
	97	* @restart_fw: restart firmware, default = 1
	98	* @plcp_check: enable plcp health check, default = true
	99	* @ack_check: disable ack health check, default = false
	100	* @wd_disable: enable stuck queue check, default = false
	101	* @bt_coex_active: enable bt coex, default = true
	102	* @led_mode: system default, default = 0
	103	* @no_sleep_autoadjust: disable autoadjust, default = true
	104	* @power_save: disable power save, default = false
	105	* @power_level: power level, default = 1
	106	* @debug_level: levels are IWL_DL_*
	107	* @ant_coupling: antenna coupling in dB, default = 0
	108	* @bt_ch_announce: BT channel inhibition, default = enable
	109	* @wanted_ucode_alternative: ucode alternative to use, default = 1
	110	* @auto_agg: enable agg. without check, default = true
	111	*/
48f20d35	112	struct iwl_mod_params {
e4ef84d9 WYG	113	int sw_crypto;
	114	int num_of_queues;
	115	int disable_11n;
	116	int amsdu_size_8K;
	117	int antenna;
	118	int restart_fw;
	119	bool plcp_check;
	120	bool ack_check;
	121	bool wd_disable;
	122	bool bt_coex_active;
	123	int led_mode;
	124	bool no_sleep_autoadjust;
	125	bool power_save;
	126	int power_level;
	127	u32 debug_level;
48f20d35	128	int ant_coupling;
e4ef84d9	129	bool bt_ch_announce;
48f20d35	130	int wanted_ucode_alternative;
e4ef84d9	131	bool auto_agg;
48f20d35 EG	132	};
48f20d35 EG	133
d6189124 EG	134	/**
	135	* struct iwl_hw_params
	136	* @max_txq_num: Max # Tx queues supported
fd656935	137	* @num_ampdu_queues: num of ampdu queues
d6189124 EG	138	* @tx/rx_chains_num: Number of TX/RX chains
d6189124 EG	139	* @valid_tx/rx_ant: usable antennas
d6189124 EG	140	* @max_stations:
d6189124 EG	141	* @ht40_channel: is 40MHz width possible in band 2.4
fd656935 EG	142	* @beacon_time_tsf_bits: number of valid tsf bits for beacon time
	143	* @sku:
	144	* @rx_page_order: Rx buffer page order
	145	* @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
d6189124 EG	146	* BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
	147	* @sw_crypto: 0 for hw, 1 for sw
	148	* @max_xxx_size: for ucode uses
	149	* @ct_kill_threshold: temperature threshold
f22be624	150	* @wd_timeout: TX queues watchdog timeout
d6189124 EG	151	* @calib_init_cfg: setup initial calibrations for the hw
	152	* @calib_rt_cfg: setup runtime calibrations for the hw
	153	* @struct iwl_sensitivity_ranges: range of sensitivity values
	154	*/
	155	struct iwl_hw_params {
fd656935 EG	156	u8 max_txq_num;
fd656935 EG	157	u8 num_ampdu_queues;
d6189124 EG	158	u8 tx_chains_num;
	159	u8 rx_chains_num;
	160	u8 valid_tx_ant;
	161	u8 valid_rx_ant;
d6189124 EG	162	u8 max_stations;
d6189124 EG	163	u8 ht40_channel;
fd656935 EG	164	bool shadow_reg_enable;
	165	u16 beacon_time_tsf_bits;
	166	u16 sku;
	167	u32 rx_page_order;
d6189124 EG	168	u32 max_inst_size;
	169	u32 max_data_size;
	170	u32 ct_kill_threshold; /* value in hw-dependent units */
	171	u32 ct_kill_exit_threshold; /* value in hw-dependent units */
	172	/* for 1000, 6000 series and up */
f22be624 EG	173	unsigned int wd_timeout;
f22be624 EG	174
d6189124 EG	175	u32 calib_init_cfg;
	176	u32 calib_rt_cfg;
	177	const struct iwl_sensitivity_ranges *sens;
	178	};
	179
5f85a789 EG	180	/**
	181	* struct iwl_ht_agg - aggregation status while waiting for block-ack
	182	* @txq_id: Tx queue used for Tx attempt
	183	* @wait_for_ba: Expect block-ack before next Tx reply
	184	* @rate_n_flags: Rate at which Tx was attempted
	185	*
	186	* If REPLY_TX indicates that aggregation was attempted, driver must wait
	187	* for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
	188	* until block ack arrives.
	189	*/
	190	struct iwl_ht_agg {
	191	u16 txq_id;
	192	u16 wait_for_ba;
	193	u32 rate_n_flags;
	194	#define IWL_AGG_OFF 0
	195	#define IWL_AGG_ON 1
	196	#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
	197	#define IWL_EMPTYING_HW_QUEUE_DELBA 3
	198	u8 state;
5f85a789 EG	199	};
	200
	201	struct iwl_tid_data {
	202	u16 seq_number; /* agn only */
	203	u16 tfds_in_queue;
	204	struct iwl_ht_agg agg;
	205	};
	206
cac988a6 EG	207	/**
	208	* struct iwl_shared - shared fields for all the layers of the driver
	209	*
8f470ce3 EG	210	* @dbg_level_dev: dbg level set per device. Prevails on
8f470ce3 EG	211	* iwlagn_mod_params.debug_level if set (!= 0)
fd656935	212	* @ucode_owner: IWL_OWNERSHIP_*
cefeaa5f	213	* @cmd_queue: command queue number
63013ae3	214	* @status: STATUS_*
cac988a6 EG	215	* @bus: pointer to the bus layer data
cac988a6 EG	216	* @priv: pointer to the upper layer data
d6189124	217	* @hw_params: see struct iwl_hw_params
74e28e44	218	* @workqueue: the workqueue used by all the layers of the driver
10b15e6f	219	* @lock: protect general shared data
f39c95e8 EG	220	* @sta_lock: protects the station table.
f39c95e8 EG	221	* If lock and sta_lock are needed, lock must be acquired first.
6ac2f839	222	* @mutex:
cac988a6 EG	223	*/
cac988a6 EG	224	struct iwl_shared {
8f470ce3 EG	225	#ifdef CONFIG_IWLWIFI_DEBUG
	226	u32 dbg_level_dev;
	227	#endif /* CONFIG_IWLWIFI_DEBUG */
	228
fd656935 EG	229	#define IWL_OWNERSHIP_DRIVER 0
	230	#define IWL_OWNERSHIP_TM 1
	231	u8 ucode_owner;
cefeaa5f	232	u8 cmd_queue;
63013ae3	233	unsigned long status;
57210f7c	234	bool wowlan;
cefeaa5f	235
cac988a6 EG	236	struct iwl_bus *bus;
cac988a6 EG	237	struct iwl_priv *priv;
e6bb4c9c	238	struct iwl_trans *trans;
d6189124	239	struct iwl_hw_params hw_params;
74e28e44 EG	240
74e28e44 EG	241	struct workqueue_struct *workqueue;
10b15e6f	242	spinlock_t lock;
f39c95e8	243	spinlock_t sta_lock;
6ac2f839	244	struct mutex mutex;
5f85a789	245
e20d4341 EG	246	/*these 2 shouldn't really be here, but they are needed for
	247	* iwl_queue_stop, which is called from the upper layer too
	248	*/
	249	u8 mac80211_registered;
	250	struct ieee80211_hw *hw;
	251
5f85a789	252	struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
cac988a6 EG	253	};
	254
	255	/Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work /
	256	#define priv(_m) ((_m)->shrd->priv)
	257	#define bus(_m) ((_m)->shrd->bus)
e6bb4c9c	258	#define trans(_m) ((_m)->shrd->trans)
d6189124	259	#define hw_params(_m) ((_m)->shrd->hw_params)
cac988a6	260
8f470ce3 EG	261	#ifdef CONFIG_IWLWIFI_DEBUG
	262	/*
	263	* iwl_get_debug_level: Return active debug level for device
	264	*
	265	* Using sysfs it is possible to set per device debug level. This debug
	266	* level will be used if set, otherwise the global debug level which can be
	267	* set via module parameter is used.
	268	*/
	269	static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
	270	{
	271	if (shrd->dbg_level_dev)
	272	return shrd->dbg_level_dev;
	273	else
	274	return iwlagn_mod_params.debug_level;
	275	}
	276	#else
	277	static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
	278	{
	279	return iwlagn_mod_params.debug_level;
	280	}
	281	#endif
	282
790428b6 EG	283	static inline void iwl_free_pages(struct iwl_shared *shrd, unsigned long page)
	284	{
	285	free_pages(page, shrd->hw_params.rx_page_order);
	286	}
	287
5a878bf6 EG	288	struct iwl_rx_mem_buffer {
	289	dma_addr_t page_dma;
	290	struct page *page;
	291	struct list_head list;
	292	};
	293
	294	#define rxb_addr(r) page_address(r->page)
	295
ba562f71 EG	296	/*
	297	* mac80211 queues, ACs, hardware queues, FIFOs.
	298	*
	299	* Cf. http://wireless.kernel.org/en/developers/Documentation/mac80211/queues
	300	*
	301	* Mac80211 uses the following numbers, which we get as from it
	302	* by way of skb_get_queue_mapping(skb):
	303	*
	304	* VO 0
	305	* VI 1
	306	* BE 2
	307	* BK 3
	308	*
	309	*
	310	* Regular (not A-MPDU) frames are put into hardware queues corresponding
	311	* to the FIFOs, see comments in iwl-prph.h. Aggregated frames get their
	312	* own queue per aggregation session (RA/TID combination), such queues are
	313	* set up to map into FIFOs too, for which we need an AC->FIFO mapping. In
	314	* order to map frames to the right queue, we also need an AC->hw queue
	315	* mapping. This is implemented here.
	316	*
	317	* Due to the way hw queues are set up (by the hw specific modules like
	318	* iwl-4965.c, iwl-5000.c etc.), the AC->hw queue mapping is the identity
	319	* mapping.
	320	*/
	321
	322	static const u8 tid_to_ac[] = {
	323	IEEE80211_AC_BE,
	324	IEEE80211_AC_BK,
	325	IEEE80211_AC_BK,
	326	IEEE80211_AC_BE,
	327	IEEE80211_AC_VI,
	328	IEEE80211_AC_VI,
	329	IEEE80211_AC_VO,
	330	IEEE80211_AC_VO
	331	};
	332
288712a6 EG	333	static inline int get_ac_from_tid(u16 tid)
	334	{
	335	if (likely(tid < ARRAY_SIZE(tid_to_ac)))
	336	return tid_to_ac[tid];
	337
	338	/* no support for TIDs 8-15 yet */
	339	return -EINVAL;
	340	}
	341
ba562f71 EG	342	enum iwl_rxon_context_id {
	343	IWL_RXON_CTX_BSS,
	344	IWL_RXON_CTX_PAN,
	345
	346	NUM_IWL_RXON_CTX
	347	};
	348
48f20d35 EG	349	#ifdef CONFIG_PM
	350	int iwl_suspend(struct iwl_priv *priv);
	351	int iwl_resume(struct iwl_priv *priv);
	352	#endif /* !CONFIG_PM */
	353
e6bb4c9c EG	354	int iwl_probe(struct iwl_bus bus, const struct iwl_trans_ops trans_ops,
e6bb4c9c EG	355	struct iwl_cfg *cfg);
48f20d35 EG	356	void __devexit iwl_remove(struct iwl_priv * priv);
48f20d35 EG	357
464021ff EG	358	void iwl_start_tx_ba_trans_ready(struct iwl_priv *priv,
464021ff EG	359	enum iwl_rxon_context_id ctx,
288712a6	360	u8 sta_id, u8 tid);
464021ff EG	361	void iwl_stop_tx_ba_trans_ready(struct iwl_priv *priv,
	362	enum iwl_rxon_context_id ctx,
	363	u8 sta_id, u8 tid);
288712a6	364
845a9c0d EG	365	/*****************************************************
	366	* DRIVER STATUS FUNCTIONS
	367	******************************************************/
	368	#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
	369	/* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */
	370	#define STATUS_INT_ENABLED 2
	371	#define STATUS_RF_KILL_HW 3
	372	#define STATUS_CT_KILL 4
	373	#define STATUS_INIT 5
	374	#define STATUS_ALIVE 6
	375	#define STATUS_READY 7
	376	#define STATUS_TEMPERATURE 8
	377	#define STATUS_GEO_CONFIGURED 9
	378	#define STATUS_EXIT_PENDING 10
	379	#define STATUS_STATISTICS 12
	380	#define STATUS_SCANNING 13
	381	#define STATUS_SCAN_ABORTING 14
	382	#define STATUS_SCAN_HW 15
	383	#define STATUS_POWER_PMI 16
	384	#define STATUS_FW_ERROR 17
	385	#define STATUS_DEVICE_ENABLED 18
	386	#define STATUS_CHANNEL_SWITCH_PENDING 19
	387
	388	static inline int iwl_is_ready(struct iwl_shared *shrd)
	389	{
	390	/* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
	391	* set but EXIT_PENDING is not */
	392	return test_bit(STATUS_READY, &shrd->status) &&
	393	test_bit(STATUS_GEO_CONFIGURED, &shrd->status) &&
	394	!test_bit(STATUS_EXIT_PENDING, &shrd->status);
	395	}
	396
	397	static inline int iwl_is_alive(struct iwl_shared *shrd)
	398	{
	399	return test_bit(STATUS_ALIVE, &shrd->status);
	400	}
	401
	402	static inline int iwl_is_init(struct iwl_shared *shrd)
	403	{
	404	return test_bit(STATUS_INIT, &shrd->status);
	405	}
	406
	407	static inline int iwl_is_rfkill_hw(struct iwl_shared *shrd)
	408	{
	409	return test_bit(STATUS_RF_KILL_HW, &shrd->status);
	410	}
	411
	412	static inline int iwl_is_rfkill(struct iwl_shared *shrd)
	413	{
	414	return iwl_is_rfkill_hw(shrd);
	415	}
	416
	417	static inline int iwl_is_ctkill(struct iwl_shared *shrd)
	418	{
	419	return test_bit(STATUS_CT_KILL, &shrd->status);
	420	}
	421
	422	static inline int iwl_is_ready_rf(struct iwl_shared *shrd)
	423	{
	424	if (iwl_is_rfkill(shrd))
	425	return 0;
	426
	427	return iwl_is_ready(shrd);
	428	}
429
48f20d35	430	#endif /* #__iwl_shared_h__ */