iwl-commands.h

linux内核源码

/******************************************************************************
 *
 * 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) 2005 - 2007 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 Geeral 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:
 * James P. Ketrenos <[e-mail]>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2005 - 2007 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_commands_h__
#define __iwl_commands_h__

enum {
	REPLY_ALIVE = 0x1,
	REPLY_ERROR = 0x2,

	/* RXON and QOS commands */
	REPLY_RXON = 0x10,
	REPLY_RXON_ASSOC = 0x11,
	REPLY_QOS_PARAM = 0x13,
	REPLY_RXON_TIMING = 0x14,

	/* Multi-Station support */
	REPLY_ADD_STA = 0x18,
	REPLY_REMOVE_STA = 0x19,	/* not used */
	REPLY_REMOVE_ALL_STA = 0x1a,	/* not used */

	/* RX, TX, LEDs */
#if IWL == 3945
	REPLY_3945_RX = 0x1b,		/* 3945 only */
#endif
	REPLY_TX = 0x1c,
	REPLY_RATE_SCALE = 0x47,	/* 3945 only */
	REPLY_LEDS_CMD = 0x48,
	REPLY_TX_LINK_QUALITY_CMD = 0x4e, /* 4965 only */

	/* 802.11h related */
	RADAR_NOTIFICATION = 0x70,	/* not used */
	REPLY_QUIET_CMD = 0x71,		/* not used */
	REPLY_CHANNEL_SWITCH = 0x72,
	CHANNEL_SWITCH_NOTIFICATION = 0x73,
	REPLY_SPECTRUM_MEASUREMENT_CMD = 0x74,
	SPECTRUM_MEASURE_NOTIFICATION = 0x75,

	/* Power Management */
	POWER_TABLE_CMD = 0x77,
	PM_SLEEP_NOTIFICATION = 0x7A,
	PM_DEBUG_STATISTIC_NOTIFIC = 0x7B,

	/* Scan commands and notifications */
	REPLY_SCAN_CMD = 0x80,
	REPLY_SCAN_ABORT_CMD = 0x81,
	SCAN_START_NOTIFICATION = 0x82,
	SCAN_RESULTS_NOTIFICATION = 0x83,
	SCAN_COMPLETE_NOTIFICATION = 0x84,

	/* IBSS/AP commands */
	BEACON_NOTIFICATION = 0x90,
	REPLY_TX_BEACON = 0x91,
	WHO_IS_AWAKE_NOTIFICATION = 0x94,	/* not used */

	/* Miscellaneous commands */
	QUIET_NOTIFICATION = 0x96,		/* not used */
	REPLY_TX_PWR_TABLE_CMD = 0x97,
	MEASURE_ABORT_NOTIFICATION = 0x99,	/* not used */

	/* BT config command */
	REPLY_BT_CONFIG = 0x9b,

	/* 4965 Statistics */
	REPLY_STATISTICS_CMD = 0x9c,
	STATISTICS_NOTIFICATION = 0x9d,

	/* RF-KILL commands and notifications */
	REPLY_CARD_STATE_CMD = 0xa0,
	CARD_STATE_NOTIFICATION = 0xa1,

	/* Missed beacons notification */
	MISSED_BEACONS_NOTIFICATION = 0xa2,

#if IWL == 4965
	REPLY_CT_KILL_CONFIG_CMD = 0xa4,
	SENSITIVITY_CMD = 0xa8,
	REPLY_PHY_CALIBRATION_CMD = 0xb0,
	REPLY_RX_PHY_CMD = 0xc0,
	REPLY_RX_MPDU_CMD = 0xc1,
	REPLY_4965_RX = 0xc3,
	REPLY_COMPRESSED_BA = 0xc5,
#endif
	REPLY_MAX = 0xff
};

/******************************************************************************
 * (0)
 * Header
 *
 *****************************************************************************/

#define IWL_CMD_FAILED_MSK 0x40

struct iwl_cmd_header {
	u8 cmd;
	u8 flags;
	/* We have 15 LSB to use as we please (MSB indicates
	 * a frame Rx'd from the HW).  We encode the following
	 * information into the sequence field:
	 *
	 *  0:7    index in fifo
	 *  8:13   fifo selection
	 * 14:14   bit indicating if this packet references the 'extra'
	 *         storage at the end of the memory queue
	 * 15:15   (Rx indication)
	 *
	 */
	__le16 sequence;

	/* command data follows immediately */
	u8 data[0];
} __attribute__ ((packed));

/******************************************************************************
 * (0a)
 * Alive and Error Commands & Responses:
 *
 *****************************************************************************/

#define UCODE_VALID_OK	__constant_cpu_to_le32(0x1)
#define INITIALIZE_SUBTYPE    (9)

/*
 * REPLY_ALIVE = 0x1 (response only, not a command)
 */
struct iwl_alive_resp {
	u8 ucode_minor;
	u8 ucode_major;
	__le16 reserved1;
	u8 sw_rev[8];
	u8 ver_type;
	u8 ver_subtype;
	__le16 reserved2;
	__le32 log_event_table_ptr;
	__le32 error_event_table_ptr;
	__le32 timestamp;
	__le32 is_valid;
} __attribute__ ((packed));

struct iwl_init_alive_resp {
	u8 ucode_minor;
	u8 ucode_major;
	__le16 reserved1;
	u8 sw_rev[8];
	u8 ver_type;
	u8 ver_subtype;
	__le16 reserved2;
	__le32 log_event_table_ptr;
	__le32 error_event_table_ptr;
	__le32 timestamp;
	__le32 is_valid;

#if IWL == 4965
	/* calibration values from "initialize" uCode */
	__le32 voltage;		/* signed */
	__le32 therm_r1[2];	/* signed 1st for normal, 2nd for FAT channel */
	__le32 therm_r2[2];	/* signed */
	__le32 therm_r3[2];	/* signed */
	__le32 therm_r4[2];	/* signed */
	__le32 tx_atten[5][2];	/* signed MIMO gain comp, 5 freq groups,
				 * 2 Tx chains */
#endif
} __attribute__ ((packed));

union tsf {
	u8 byte[8];
	__le16 word[4];
	__le32 dw[2];
};

/*
 * REPLY_ERROR = 0x2 (response only, not a command)
 */
struct iwl_error_resp {
	__le32 error_type;
	u8 cmd_id;
	u8 reserved1;
	__le16 bad_cmd_seq_num;
#if IWL == 3945
	__le16 reserved2;
#endif
	__le32 error_info;
	union tsf timestamp;
} __attribute__ ((packed));

/******************************************************************************
 * (1)
 * RXON Commands & Responses:
 *
 *****************************************************************************/

/*
 * Rx config defines & structure
 */
/* rx_config device types  */
enum {
	RXON_DEV_TYPE_AP = 1,
	RXON_DEV_TYPE_ESS = 3,
	RXON_DEV_TYPE_IBSS = 4,
	RXON_DEV_TYPE_SNIFFER = 6,
};

/* rx_config flags */
/* band & modulation selection */
#define RXON_FLG_BAND_24G_MSK           __constant_cpu_to_le32(1 << 0)
#define RXON_FLG_CCK_MSK                __constant_cpu_to_le32(1 << 1)
/* auto detection enable */
#define RXON_FLG_AUTO_DETECT_MSK        __constant_cpu_to_le32(1 << 2)
/* TGg protection when tx */
#define RXON_FLG_TGG_PROTECT_MSK        __constant_cpu_to_le32(1 << 3)
/* cck short slot & preamble */
#define RXON_FLG_SHORT_SLOT_MSK          __constant_cpu_to_le32(1 << 4)
#define RXON_FLG_SHORT_PREAMBLE_MSK     __constant_cpu_to_le32(1 << 5)
/* antenna selection */
#define RXON_FLG_DIS_DIV_MSK            __constant_cpu_to_le32(1 << 7)
#define RXON_FLG_ANT_SEL_MSK            __constant_cpu_to_le32(0x0f00)
#define RXON_FLG_ANT_A_MSK              __constant_cpu_to_le32(1 << 8)
#define RXON_FLG_ANT_B_MSK              __constant_cpu_to_le32(1 << 9)
/* radar detection enable */
#define RXON_FLG_RADAR_DETECT_MSK       __constant_cpu_to_le32(1 << 12)
#define RXON_FLG_TGJ_NARROW_BAND_MSK    __constant_cpu_to_le32(1 << 13)
/* rx response to host with 8-byte TSF
* (according to ON_AIR deassertion) */
#define RXON_FLG_TSF2HOST_MSK           __constant_cpu_to_le32(1 << 15)

/* rx_config filter flags */
/* accept all data frames */
#define RXON_FILTER_PROMISC_MSK         __constant_cpu_to_le32(1 << 0)
/* pass control & management to host */
#define RXON_FILTER_CTL2HOST_MSK        __constant_cpu_to_le32(1 << 1)
/* accept multi-cast */
#define RXON_FILTER_ACCEPT_GRP_MSK      __constant_cpu_to_le32(1 << 2)
/* don't decrypt uni-cast frames */
#define RXON_FILTER_DIS_DECRYPT_MSK     __constant_cpu_to_le32(1 << 3)
/* don't decrypt multi-cast frames */
#define RXON_FILTER_DIS_GRP_DECRYPT_MSK __constant_cpu_to_le32(1 << 4)
/* STA is associated */
#define RXON_FILTER_ASSOC_MSK           __constant_cpu_to_le32(1 << 5)
/* transfer to host non bssid beacons in associated state */
#define RXON_FILTER_BCON_AWARE_MSK      __constant_cpu_to_le32(1 << 6)

/*
 * REPLY_RXON = 0x10 (command, has simple generic response)
 */
struct iwl_rxon_cmd {
	u8 node_addr[6];
	__le16 reserved1;
	u8 bssid_addr[6];
	__le16 reserved2;
	u8 wlap_bssid_addr[6];
	__le16 reserved3;
	u8 dev_type;
	u8 air_propagation;
#if IWL == 3945
	__le16 reserved4;
#elif IWL == 4965
	__le16 rx_chain;
#endif
	u8 ofdm_basic_rates;
	u8 cck_basic_rates;
	__le16 assoc_id;
	__le32 flags;
	__le32 filter_flags;
	__le16 channel;
#if IWL == 3945
	__le16 reserved5;
#elif IWL == 4965
	u8 ofdm_ht_single_stream_basic_rates;
	u8 ofdm_ht_dual_stream_basic_rates;
#endif
} __attribute__ ((packed));

/*
 * REPLY_RXON_ASSOC = 0x11 (command, has simple generic response)
 */
struct iwl_rxon_assoc_cmd {
	__le32 flags;
	__le32 filter_flags;
	u8 ofdm_basic_rates;
	u8 cck_basic_rates;
#if IWL == 4965
	u8 ofdm_ht_single_stream_basic_rates;
	u8 ofdm_ht_dual_stream_basic_rates;
	__le16 rx_chain_select_flags;
#endif
	__le16 reserved;
} __attribute__ ((packed));

/*
 * REPLY_RXON_TIMING = 0x14 (command, has simple generic response)
 */
struct iwl_rxon_time_cmd {
	union tsf timestamp;
	__le16 beacon_interval;
	__le16 atim_window;
	__le32 beacon_init_val;
	__le16 listen_interval;
	__le16 reserved;
} __attribute__ ((packed));

struct iwl_tx_power {
	u8 tx_gain;		/* gain for analog radio */
	u8 dsp_atten;		/* gain for DSP */
} __attribute__ ((packed));

#if IWL == 3945
struct iwl_power_per_rate {
	u8 rate;		/* plcp */
	struct iwl_tx_power tpc;
	u8 reserved;
} __attribute__ ((packed));

#elif IWL == 4965
#define POWER_TABLE_NUM_ENTRIES			33
#define POWER_TABLE_NUM_HT_OFDM_ENTRIES		32
#define POWER_TABLE_CCK_ENTRY			32
struct tx_power_dual_stream {
	__le32 dw;
} __attribute__ ((packed));

struct iwl_tx_power_db {
	struct tx_power_dual_stream power_tbl[POWER_TABLE_NUM_ENTRIES];
} __attribute__ ((packed));
#endif

/*
 * REPLY_CHANNEL_SWITCH = 0x72 (command, has simple generic response)
 */
struct iwl_channel_switch_cmd {
	u8 band;
	u8 expect_beacon;
	__le16 channel;
	__le32 rxon_flags;
	__le32 rxon_filter_flags;
	__le32 switch_time;
#if IWL == 3945
	struct iwl_power_per_rate power[IWL_MAX_RATES];
#elif IWL == 4965
	struct iwl_tx_power_db tx_power;
#endif
} __attribute__ ((packed));

/*
 * CHANNEL_SWITCH_NOTIFICATION = 0x73 (notification only, not a command)
 */
struct iwl_csa_notification {
	__le16 band;
	__le16 channel;
	__le32 status;		/* 0 - OK, 1 - fail */
} __attribute__ ((packed));

/******************************************************************************
 * (2)
 * Quality-of-Service (QOS) Commands & Responses:
 *
 *****************************************************************************/
struct iwl_ac_qos {
	__le16 cw_min;
	__le16 cw_max;
	u8 aifsn;
	u8 reserved1;
	__le16 edca_txop;
} __attribute__ ((packed));

/* QoS flags defines */
#define QOS_PARAM_FLG_UPDATE_EDCA_MSK	__constant_cpu_to_le32(0x01)
#define QOS_PARAM_FLG_TGN_MSK		__constant_cpu_to_le32(0x02)
#define QOS_PARAM_FLG_TXOP_TYPE_MSK	__constant_cpu_to_le32(0x10)

/*
 *  TXFIFO Queue number defines
 */
/* number of Access categories (AC) (EDCA), queues 0..3 */