drivers/net/wireless/intersil/p54/lmac.h - vendor/opensource/backports - Git at Google

 /*
  * LMAC Interface specific definitions for mac80211 Prism54 drivers
  *
  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  * Copyright (c) 2007 - 2009, Christian Lamparter <chunkeey@web.de>
  *
  * Based on:
  * - the islsm (softmac prism54) driver, which is:
  *   Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
  *
  * - LMAC API interface header file for STLC4560 (lmac_longbow.h)
  *   Copyright (C) 2007 Conexant Systems, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */

 #ifndef LMAC_H
 #define LMAC_H

 enum p54_control_frame_types {
 	P54_CONTROL_TYPE_SETUP = 0,
 	P54_CONTROL_TYPE_SCAN,
 	P54_CONTROL_TYPE_TRAP,
 	P54_CONTROL_TYPE_DCFINIT,
 	P54_CONTROL_TYPE_RX_KEYCACHE,
 	P54_CONTROL_TYPE_TIM,
 	P54_CONTROL_TYPE_PSM,
 	P54_CONTROL_TYPE_TXCANCEL,
 	P54_CONTROL_TYPE_TXDONE,
 	P54_CONTROL_TYPE_BURST,
 	P54_CONTROL_TYPE_STAT_READBACK,
 	P54_CONTROL_TYPE_BBP,
 	P54_CONTROL_TYPE_EEPROM_READBACK,
 	P54_CONTROL_TYPE_LED,
 	P54_CONTROL_TYPE_GPIO,
 	P54_CONTROL_TYPE_TIMER,
 	P54_CONTROL_TYPE_MODULATION,
 	P54_CONTROL_TYPE_SYNTH_CONFIG,
 	P54_CONTROL_TYPE_DETECTOR_VALUE,
 	P54_CONTROL_TYPE_XBOW_SYNTH_CFG,
 	P54_CONTROL_TYPE_CCE_QUIET,
 	P54_CONTROL_TYPE_PSM_STA_UNLOCK,
 	P54_CONTROL_TYPE_PCS,
 	P54_CONTROL_TYPE_BT_BALANCER = 28,
 	P54_CONTROL_TYPE_GROUP_ADDRESS_TABLE = 30,
 	P54_CONTROL_TYPE_ARPTABLE = 31,
 	P54_CONTROL_TYPE_BT_OPTIONS = 35,
 };

 #define P54_HDR_FLAG_CONTROL		BIT(15)
 #define P54_HDR_FLAG_CONTROL_OPSET	(BIT(15) + BIT(0))
 #define P54_HDR_FLAG_DATA_ALIGN		BIT(14)

 #define P54_HDR_FLAG_DATA_OUT_PROMISC		BIT(0)
 #define P54_HDR_FLAG_DATA_OUT_TIMESTAMP		BIT(1)
 #define P54_HDR_FLAG_DATA_OUT_SEQNR		BIT(2)
 #define P54_HDR_FLAG_DATA_OUT_BIT3		BIT(3)
 #define P54_HDR_FLAG_DATA_OUT_BURST		BIT(4)
 #define P54_HDR_FLAG_DATA_OUT_NOCANCEL		BIT(5)
 #define P54_HDR_FLAG_DATA_OUT_CLEARTIM		BIT(6)
 #define P54_HDR_FLAG_DATA_OUT_HITCHHIKE		BIT(7)
 #define P54_HDR_FLAG_DATA_OUT_COMPRESS		BIT(8)
 #define P54_HDR_FLAG_DATA_OUT_CONCAT		BIT(9)
 #define P54_HDR_FLAG_DATA_OUT_PCS_ACCEPT	BIT(10)
 #define P54_HDR_FLAG_DATA_OUT_WAITEOSP		BIT(11)

 #define P54_HDR_FLAG_DATA_IN_FCS_GOOD		BIT(0)
 #define P54_HDR_FLAG_DATA_IN_MATCH_MAC		BIT(1)
 #define P54_HDR_FLAG_DATA_IN_MCBC		BIT(2)
 #define P54_HDR_FLAG_DATA_IN_BEACON		BIT(3)
 #define P54_HDR_FLAG_DATA_IN_MATCH_BSS		BIT(4)
 #define P54_HDR_FLAG_DATA_IN_BCAST_BSS		BIT(5)
 #define P54_HDR_FLAG_DATA_IN_DATA		BIT(6)
 #define P54_HDR_FLAG_DATA_IN_TRUNCATED		BIT(7)
 #define P54_HDR_FLAG_DATA_IN_BIT8		BIT(8)
 #define P54_HDR_FLAG_DATA_IN_TRANSPARENT	BIT(9)

 struct p54_hdr {
 	__le16 flags;
 	__le16 len;
 	__le32 req_id;
 	__le16 type;	/* enum p54_control_frame_types */
 	u8 rts_tries;
 	u8 tries;
 	u8 data[0];
 } __packed;

 #define GET_REQ_ID(skb)							\
 	(((struct p54_hdr *) ((struct sk_buff *) skb)->data)->req_id)	\

 #define FREE_AFTER_TX(skb)						\
 	((((struct p54_hdr *) ((struct sk_buff *) skb)->data)->		\
 	flags) == cpu_to_le16(P54_HDR_FLAG_CONTROL_OPSET))

 #define IS_DATA_FRAME(skb)						\
 	(!((((struct p54_hdr *) ((struct sk_buff *) skb)->data)->	\
 	flags) & cpu_to_le16(P54_HDR_FLAG_CONTROL)))

 #define GET_HW_QUEUE(skb)						\
 	(((struct p54_tx_data *)((struct p54_hdr *)			\
 	skb->data)->data)->hw_queue)

 /*
  * shared interface ID definitions
  * The interface ID is a unique identification of a specific interface.
  * The following values are reserved: 0x0000, 0x0002, 0x0012, 0x0014, 0x0015
  */
 #define IF_ID_ISL36356A			0x0001	/* ISL36356A <-> Firmware */
 #define IF_ID_MVC			0x0003	/* MAC Virtual Coprocessor */
 #define IF_ID_DEBUG			0x0008	/* PolDebug Interface */
 #define IF_ID_PRODUCT			0x0009
 #define IF_ID_OEM			0x000a
 #define IF_ID_PCI3877			0x000b	/* 3877 <-> Host PCI */
 #define IF_ID_ISL37704C			0x000c	/* ISL37704C <-> Fw */
 #define IF_ID_ISL39000			0x000f	/* ISL39000 <-> Fw */
 #define IF_ID_ISL39300A			0x0010	/* ISL39300A <-> Fw */
 #define IF_ID_ISL37700_UAP		0x0016	/* ISL37700 uAP Fw <-> Fw */
 #define IF_ID_ISL39000_UAP		0x0017	/* ISL39000 uAP Fw <-> Fw */
 #define IF_ID_LMAC			0x001a	/* Interface exposed by LMAC */

 struct exp_if {
 	__le16 role;
 	__le16 if_id;
 	__le16 variant;
 	__le16 btm_compat;
 	__le16 top_compat;
 } __packed;

 struct dep_if {
 	__le16 role;
 	__le16 if_id;
 	__le16 variant;
 } __packed;

 /* driver <-> lmac definitions */
 struct p54_eeprom_lm86 {
 	union {
 		struct {
 			__le16 offset;
 			__le16 len;
 			u8 data[0];
 		} __packed v1;
 		struct {
 			__le32 offset;
 			__le16 len;
 			u8 magic2;
 			u8 pad;
 			u8 magic[4];
 			u8 data[0];
 		} __packed v2;
 	}  __packed;
 } __packed;

 enum p54_rx_decrypt_status {
 	P54_DECRYPT_NONE = 0,
 	P54_DECRYPT_OK,
 	P54_DECRYPT_NOKEY,
 	P54_DECRYPT_NOMICHAEL,
 	P54_DECRYPT_NOCKIPMIC,
 	P54_DECRYPT_FAIL_WEP,
 	P54_DECRYPT_FAIL_TKIP,
 	P54_DECRYPT_FAIL_MICHAEL,
 	P54_DECRYPT_FAIL_CKIPKP,
 	P54_DECRYPT_FAIL_CKIPMIC,
 	P54_DECRYPT_FAIL_AESCCMP
 };

 struct p54_rx_data {
 	__le16 flags;
 	__le16 len;
 	__le16 freq;
 	u8 antenna;
 	u8 rate;
 	u8 rssi;
 	u8 quality;
 	u8 decrypt_status;
 	u8 rssi_raw;
 	__le32 tsf32;
 	__le32 unalloc0;
 	u8 align[0];
 } __packed;

 enum p54_trap_type {
 	P54_TRAP_SCAN = 0,
 	P54_TRAP_TIMER,
 	P54_TRAP_BEACON_TX,
 	P54_TRAP_FAA_RADIO_ON,
 	P54_TRAP_FAA_RADIO_OFF,
 	P54_TRAP_RADAR,
 	P54_TRAP_NO_BEACON,
 	P54_TRAP_TBTT,
 	P54_TRAP_SCO_ENTER,
 	P54_TRAP_SCO_EXIT
 };

 struct p54_trap {
 	__le16 event;
 	__le16 frequency;
 } __packed;

 enum p54_frame_sent_status {
 	P54_TX_OK = 0,
 	P54_TX_FAILED,
 	P54_TX_PSM,
 	P54_TX_PSM_CANCELLED = 4
 };

 struct p54_frame_sent {
 	u8 status;
 	u8 tries;
 	u8 ack_rssi;
 	u8 quality;
 	__le16 seq;
 	u8 antenna;
 	u8 padding;
 } __packed;

 enum p54_tx_data_crypt {
 	P54_CRYPTO_NONE = 0,
 	P54_CRYPTO_WEP,
 	P54_CRYPTO_TKIP,
 	P54_CRYPTO_TKIPMICHAEL,
 	P54_CRYPTO_CCX_WEPMIC,
 	P54_CRYPTO_CCX_KPMIC,
 	P54_CRYPTO_CCX_KP,
 	P54_CRYPTO_AESCCMP
 };

 enum p54_tx_data_queue {
 	P54_QUEUE_BEACON	= 0,
 	P54_QUEUE_FWSCAN	= 1,
 	P54_QUEUE_MGMT		= 2,
 	P54_QUEUE_CAB		= 3,
 	P54_QUEUE_DATA		= 4,

 	P54_QUEUE_AC_NUM	= 4,
 	P54_QUEUE_AC_VO		= 4,
 	P54_QUEUE_AC_VI		= 5,
 	P54_QUEUE_AC_BE		= 6,
 	P54_QUEUE_AC_BK		= 7,

 	/* keep last */
 	P54_QUEUE_NUM		= 8,
 };

 #define IS_QOS_QUEUE(n)	(n >= P54_QUEUE_DATA)

 struct p54_tx_data {
 	u8 rateset[8];
 	u8 rts_rate_idx;
 	u8 crypt_offset;
 	u8 key_type;
 	u8 key_len;
 	u8 key[16];
 	u8 hw_queue;
 	u8 backlog;
 	__le16 durations[4];
 	u8 tx_antenna;
 	union {
 		struct {
 			u8 cts_rate;
 			__le16 output_power;
 		} __packed longbow;
 		struct {
 			u8 output_power;
 			u8 cts_rate;
 			u8 unalloc;
 		} __packed normal;
 	} __packed;
 	u8 unalloc2[2];
 	u8 align[0];
 } __packed;

 /* unit is ms */
 #define P54_TX_FRAME_LIFETIME 2000
 #define P54_TX_TIMEOUT 4000
 #define P54_STATISTICS_UPDATE 5000

 #define P54_FILTER_TYPE_NONE		0
 #define P54_FILTER_TYPE_STATION		BIT(0)
 #define P54_FILTER_TYPE_IBSS		BIT(1)
 #define P54_FILTER_TYPE_AP		BIT(2)
 #define P54_FILTER_TYPE_TRANSPARENT	BIT(3)
 #define P54_FILTER_TYPE_PROMISCUOUS	BIT(4)
 #define P54_FILTER_TYPE_HIBERNATE	BIT(5)
 #define P54_FILTER_TYPE_NOACK		BIT(6)
 #define P54_FILTER_TYPE_RX_DISABLED	BIT(7)

 struct p54_setup_mac {
 	__le16 mac_mode;
 	u8 mac_addr[ETH_ALEN];
 	u8 bssid[ETH_ALEN];
 	u8 rx_antenna;
 	u8 rx_align;
 	union {
 		struct {
 			__le32 basic_rate_mask;
 			u8 rts_rates[8];
 			__le32 rx_addr;
 			__le16 max_rx;
 			__le16 rxhw;
 			__le16 wakeup_timer;
 			__le16 unalloc0;
 		} __packed v1;
 		struct {
 			__le32 rx_addr;
 			__le16 max_rx;
 			__le16 rxhw;
 			__le16 timer;
 			__le16 truncate;
 			__le32 basic_rate_mask;
 			u8 sbss_offset;
 			u8 mcast_window;
 			u8 rx_rssi_threshold;
 			u8 rx_ed_threshold;
 			__le32 ref_clock;
 			__le16 lpf_bandwidth;
 			__le16 osc_start_delay;
 		} __packed v2;
 	} __packed;
 } __packed;

 #define P54_SETUP_V1_LEN 40
 #define P54_SETUP_V2_LEN (sizeof(struct p54_setup_mac))

 #define P54_SCAN_EXIT	BIT(0)
 #define P54_SCAN_TRAP	BIT(1)
 #define P54_SCAN_ACTIVE BIT(2)
 #define P54_SCAN_FILTER BIT(3)

 struct p54_scan_head {
 	__le16 mode;
 	__le16 dwell;
 	u8 scan_params[20];
 	__le16 freq;
 } __packed;

 struct p54_pa_curve_data_sample {
 	u8 rf_power;
 	u8 pa_detector;
 	u8 data_barker;
 	u8 data_bpsk;
 	u8 data_qpsk;
 	u8 data_16qam;
 	u8 data_64qam;
 	u8 padding;
 } __packed;

 struct p54_scan_body {
 	u8 pa_points_per_curve;
 	u8 val_barker;
 	u8 val_bpsk;
 	u8 val_qpsk;
 	u8 val_16qam;
 	u8 val_64qam;
 	struct p54_pa_curve_data_sample curve_data[8];
 	u8 dup_bpsk;
 	u8 dup_qpsk;
 	u8 dup_16qam;
 	u8 dup_64qam;
 } __packed;

 /*
  * Warning: Longbow's structures are bogus.
  */
 struct p54_channel_output_limit_longbow {
 	__le16 rf_power_points[12];
 } __packed;

 struct p54_pa_curve_data_sample_longbow {
 	__le16 rf_power;
 	__le16 pa_detector;
 	struct {
 		__le16 data[4];
 	} points[3] __packed;
 } __packed;

 struct p54_scan_body_longbow {
 	struct p54_channel_output_limit_longbow power_limits;
 	struct p54_pa_curve_data_sample_longbow curve_data[8];
 	__le16 unkn[6];		/* maybe more power_limits or rate_mask */
 } __packed;

 union p54_scan_body_union {
 	struct p54_scan_body normal;
 	struct p54_scan_body_longbow longbow;
 } __packed;

 struct p54_scan_tail_rate {
 	__le32 basic_rate_mask;
 	u8 rts_rates[8];
 } __packed;

 struct p54_led {
 	__le16 flags;
 	__le16 mask[2];
 	__le16 delay[2];
 } __packed;

 struct p54_edcf {
 	u8 flags;
 	u8 slottime;
 	u8 sifs;
 	u8 eofpad;
 	struct p54_edcf_queue_param queue[8];
 	u8 mapping[4];
 	__le16 frameburst;
 	__le16 round_trip_delay;
 } __packed;

 struct p54_statistics {
 	__le32 rx_success;
 	__le32 rx_bad_fcs;
 	__le32 rx_abort;
 	__le32 rx_abort_phy;
 	__le32 rts_success;
 	__le32 rts_fail;
 	__le32 tsf32;
 	__le32 airtime;
 	__le32 noise;
 	__le32 sample_noise[8];
 	__le32 sample_cca;
 	__le32 sample_tx;
 } __packed;

 struct p54_xbow_synth {
 	__le16 magic1;
 	__le16 magic2;
 	__le16 freq;
 	u32 padding[5];
 } __packed;

 struct p54_timer {
 	__le32 interval;
 } __packed;

 struct p54_keycache {
 	u8 entry;
 	u8 key_id;
 	u8 mac[ETH_ALEN];
 	u8 padding[2];
 	u8 key_type;
 	u8 key_len;
 	u8 key[24];
 } __packed;

 struct p54_burst {
 	u8 flags;
 	u8 queue;
 	u8 backlog;
 	u8 pad;
 	__le16 durations[32];
 } __packed;

 struct p54_psm_interval {
 	__le16 interval;
 	__le16 periods;
 } __packed;

 #define P54_PSM_CAM			0
 #define P54_PSM				BIT(0)
 #define P54_PSM_DTIM			BIT(1)
 #define P54_PSM_MCBC			BIT(2)
 #define P54_PSM_CHECKSUM		BIT(3)
 #define P54_PSM_SKIP_MORE_DATA		BIT(4)
 #define P54_PSM_BEACON_TIMEOUT		BIT(5)
 #define P54_PSM_HFOSLEEP		BIT(6)
 #define P54_PSM_AUTOSWITCH_SLEEP	BIT(7)
 #define P54_PSM_LPIT			BIT(8)
 #define P54_PSM_BF_UCAST_SKIP		BIT(9)
 #define P54_PSM_BF_MCAST_SKIP		BIT(10)

 struct p54_psm {
 	__le16 mode;
 	__le16 aid;
 	struct p54_psm_interval intervals[4];
 	u8 beacon_rssi_skip_max;
 	u8 rssi_delta_threshold;
 	u8 nr;
 	u8 exclude[1];
 } __packed;

 #define MC_FILTER_ADDRESS_NUM 4

 struct p54_group_address_table {
 	__le16 filter_enable;
 	__le16 num_address;
 	u8 mac_list[MC_FILTER_ADDRESS_NUM][ETH_ALEN];
 } __packed;

 struct p54_txcancel {
 	__le32 req_id;
 } __packed;

 struct p54_sta_unlock {
 	u8 addr[ETH_ALEN];
 	u16 padding;
 } __packed;

 #define P54_TIM_CLEAR BIT(15)
 struct p54_tim {
 	u8 count;
 	u8 padding[3];
 	__le16 entry[8];
 } __packed;

 struct p54_cce_quiet {
 	__le32 period;
 } __packed;

 struct p54_bt_balancer {
 	__le16 prio_thresh;
 	__le16 acl_thresh;
 } __packed;

 struct p54_arp_table {
 	__le16 filter_enable;
 	u8 ipv4_addr[4];
 } __packed;

 /* LED control */
 int p54_set_leds(struct p54_common *priv);
 int p54_init_leds(struct p54_common *priv);
 void p54_unregister_leds(struct p54_common *priv);

 /* xmit functions */
 void p54_tx_80211(struct ieee80211_hw *dev,
 		  struct ieee80211_tx_control *control,
 		  struct sk_buff *skb);
 int p54_tx_cancel(struct p54_common *priv, __le32 req_id);
 void p54_tx(struct p54_common *priv, struct sk_buff *skb);

 /* synth/phy configuration */
 int p54_init_xbow_synth(struct p54_common *priv);
 int p54_scan(struct p54_common *priv, u16 mode, u16 dwell);

 /* MAC */
 int p54_sta_unlock(struct p54_common *priv, u8 *addr);
 int p54_update_beacon_tim(struct p54_common *priv, u16 aid, bool set);
 int p54_setup_mac(struct p54_common *priv);
 int p54_set_ps(struct p54_common *priv);
 int p54_fetch_statistics(struct p54_common *priv);
 int p54_set_groupfilter(struct p54_common *priv);

 /* e/v DCF setup */
 int p54_set_edcf(struct p54_common *priv);

 /* cryptographic engine */
 int p54_upload_key(struct p54_common *priv, u8 algo, int slot,
 		   u8 idx, u8 len, u8 *addr, u8* key);

 /* eeprom */
 int p54_download_eeprom(struct p54_common *priv, void *buf,
 			u16 offset, u16 len);
 struct p54_rssi_db_entry *p54_rssi_find(struct p54_common *p, const u16 freq);

 /* utility */
 u8 *p54_find_ie(struct sk_buff *skb, u8 ie);

 #endif /* LMAC_H */
	/*
	* LMAC Interface specific definitions for mac80211 Prism54 drivers
	*
	* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
	* Copyright (c) 2007 - 2009, Christian Lamparter <chunkeey@web.de>
	*
	* Based on:
	* - the islsm (softmac prism54) driver, which is:
	* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
	*
	* - LMAC API interface header file for STLC4560 (lmac_longbow.h)
	* Copyright (C) 2007 Conexant Systems, Inc.
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*/

	#ifndef LMAC_H
	#define LMAC_H

	enum p54_control_frame_types {
	P54_CONTROL_TYPE_SETUP = 0,
	P54_CONTROL_TYPE_SCAN,
	P54_CONTROL_TYPE_TRAP,
	P54_CONTROL_TYPE_DCFINIT,
	P54_CONTROL_TYPE_RX_KEYCACHE,
	P54_CONTROL_TYPE_TIM,
	P54_CONTROL_TYPE_PSM,
	P54_CONTROL_TYPE_TXCANCEL,
	P54_CONTROL_TYPE_TXDONE,
	P54_CONTROL_TYPE_BURST,
	P54_CONTROL_TYPE_STAT_READBACK,
	P54_CONTROL_TYPE_BBP,
	P54_CONTROL_TYPE_EEPROM_READBACK,
	P54_CONTROL_TYPE_LED,
	P54_CONTROL_TYPE_GPIO,
	P54_CONTROL_TYPE_TIMER,
	P54_CONTROL_TYPE_MODULATION,
	P54_CONTROL_TYPE_SYNTH_CONFIG,
	P54_CONTROL_TYPE_DETECTOR_VALUE,
	P54_CONTROL_TYPE_XBOW_SYNTH_CFG,
	P54_CONTROL_TYPE_CCE_QUIET,
	P54_CONTROL_TYPE_PSM_STA_UNLOCK,
	P54_CONTROL_TYPE_PCS,
	P54_CONTROL_TYPE_BT_BALANCER = 28,
	P54_CONTROL_TYPE_GROUP_ADDRESS_TABLE = 30,
	P54_CONTROL_TYPE_ARPTABLE = 31,
	P54_CONTROL_TYPE_BT_OPTIONS = 35,
	};

	#define P54_HDR_FLAG_CONTROL BIT(15)
	#define P54_HDR_FLAG_CONTROL_OPSET (BIT(15) + BIT(0))
	#define P54_HDR_FLAG_DATA_ALIGN BIT(14)

	#define P54_HDR_FLAG_DATA_OUT_PROMISC BIT(0)
	#define P54_HDR_FLAG_DATA_OUT_TIMESTAMP BIT(1)
	#define P54_HDR_FLAG_DATA_OUT_SEQNR BIT(2)
	#define P54_HDR_FLAG_DATA_OUT_BIT3 BIT(3)
	#define P54_HDR_FLAG_DATA_OUT_BURST BIT(4)
	#define P54_HDR_FLAG_DATA_OUT_NOCANCEL BIT(5)
	#define P54_HDR_FLAG_DATA_OUT_CLEARTIM BIT(6)
	#define P54_HDR_FLAG_DATA_OUT_HITCHHIKE BIT(7)
	#define P54_HDR_FLAG_DATA_OUT_COMPRESS BIT(8)
	#define P54_HDR_FLAG_DATA_OUT_CONCAT BIT(9)
	#define P54_HDR_FLAG_DATA_OUT_PCS_ACCEPT BIT(10)
	#define P54_HDR_FLAG_DATA_OUT_WAITEOSP BIT(11)

	#define P54_HDR_FLAG_DATA_IN_FCS_GOOD BIT(0)
	#define P54_HDR_FLAG_DATA_IN_MATCH_MAC BIT(1)
	#define P54_HDR_FLAG_DATA_IN_MCBC BIT(2)
	#define P54_HDR_FLAG_DATA_IN_BEACON BIT(3)
	#define P54_HDR_FLAG_DATA_IN_MATCH_BSS BIT(4)
	#define P54_HDR_FLAG_DATA_IN_BCAST_BSS BIT(5)
	#define P54_HDR_FLAG_DATA_IN_DATA BIT(6)
	#define P54_HDR_FLAG_DATA_IN_TRUNCATED BIT(7)
	#define P54_HDR_FLAG_DATA_IN_BIT8 BIT(8)
	#define P54_HDR_FLAG_DATA_IN_TRANSPARENT BIT(9)

	struct p54_hdr {
	__le16 flags;
	__le16 len;
	__le32 req_id;
	__le16 type; /* enum p54_control_frame_types */
	u8 rts_tries;
	u8 tries;
	u8 data[0];
	} __packed;

	#define GET_REQ_ID(skb) \
	(((struct p54_hdr ) ((struct sk_buff ) skb)->data)->req_id) \

	#define FREE_AFTER_TX(skb) \
	((((struct p54_hdr ) ((struct sk_buff ) skb)->data)-> \
	flags) == cpu_to_le16(P54_HDR_FLAG_CONTROL_OPSET))

	#define IS_DATA_FRAME(skb) \
	(!((((struct p54_hdr ) ((struct sk_buff ) skb)->data)-> \
	flags) & cpu_to_le16(P54_HDR_FLAG_CONTROL)))

	#define GET_HW_QUEUE(skb) \
	(((struct p54_tx_data )((struct p54_hdr ) \
	skb->data)->data)->hw_queue)

	/*
	* shared interface ID definitions
	* The interface ID is a unique identification of a specific interface.
	* The following values are reserved: 0x0000, 0x0002, 0x0012, 0x0014, 0x0015
	*/
	#define IF_ID_ISL36356A 0x0001 /* ISL36356A <-> Firmware */
	#define IF_ID_MVC 0x0003 /* MAC Virtual Coprocessor */
	#define IF_ID_DEBUG 0x0008 /* PolDebug Interface */
	#define IF_ID_PRODUCT 0x0009
	#define IF_ID_OEM 0x000a
	#define IF_ID_PCI3877 0x000b /* 3877 <-> Host PCI */
	#define IF_ID_ISL37704C 0x000c /* ISL37704C <-> Fw */
	#define IF_ID_ISL39000 0x000f /* ISL39000 <-> Fw */
	#define IF_ID_ISL39300A 0x0010 /* ISL39300A <-> Fw */
	#define IF_ID_ISL37700_UAP 0x0016 /* ISL37700 uAP Fw <-> Fw */
	#define IF_ID_ISL39000_UAP 0x0017 /* ISL39000 uAP Fw <-> Fw */
	#define IF_ID_LMAC 0x001a /* Interface exposed by LMAC */

	struct exp_if {
	__le16 role;
	__le16 if_id;
	__le16 variant;
	__le16 btm_compat;
	__le16 top_compat;
	} __packed;

	struct dep_if {
	__le16 role;
	__le16 if_id;
	__le16 variant;
	} __packed;

	/* driver <-> lmac definitions */
	struct p54_eeprom_lm86 {
	union {
	struct {
	__le16 offset;
	__le16 len;
	u8 data[0];
	} __packed v1;
	struct {
	__le32 offset;
	__le16 len;
	u8 magic2;
	u8 pad;
	u8 magic[4];
	u8 data[0];
	} __packed v2;
	} __packed;
	} __packed;

	enum p54_rx_decrypt_status {
	P54_DECRYPT_NONE = 0,
	P54_DECRYPT_OK,
	P54_DECRYPT_NOKEY,
	P54_DECRYPT_NOMICHAEL,
	P54_DECRYPT_NOCKIPMIC,
	P54_DECRYPT_FAIL_WEP,
	P54_DECRYPT_FAIL_TKIP,
	P54_DECRYPT_FAIL_MICHAEL,
	P54_DECRYPT_FAIL_CKIPKP,
	P54_DECRYPT_FAIL_CKIPMIC,
	P54_DECRYPT_FAIL_AESCCMP
	};

	struct p54_rx_data {
	__le16 flags;
	__le16 len;
	__le16 freq;
	u8 antenna;
	u8 rate;
	u8 rssi;
	u8 quality;
	u8 decrypt_status;
	u8 rssi_raw;
	__le32 tsf32;
	__le32 unalloc0;
	u8 align[0];
	} __packed;

	enum p54_trap_type {
	P54_TRAP_SCAN = 0,
	P54_TRAP_TIMER,
	P54_TRAP_BEACON_TX,
	P54_TRAP_FAA_RADIO_ON,
	P54_TRAP_FAA_RADIO_OFF,
	P54_TRAP_RADAR,
	P54_TRAP_NO_BEACON,
	P54_TRAP_TBTT,
	P54_TRAP_SCO_ENTER,
	P54_TRAP_SCO_EXIT
	};

	struct p54_trap {
	__le16 event;
	__le16 frequency;
	} __packed;

	enum p54_frame_sent_status {
	P54_TX_OK = 0,
	P54_TX_FAILED,
	P54_TX_PSM,
	P54_TX_PSM_CANCELLED = 4
	};

	struct p54_frame_sent {
	u8 status;
	u8 tries;
	u8 ack_rssi;
	u8 quality;
	__le16 seq;
	u8 antenna;
	u8 padding;
	} __packed;

	enum p54_tx_data_crypt {
	P54_CRYPTO_NONE = 0,
	P54_CRYPTO_WEP,
	P54_CRYPTO_TKIP,
	P54_CRYPTO_TKIPMICHAEL,
	P54_CRYPTO_CCX_WEPMIC,
	P54_CRYPTO_CCX_KPMIC,
	P54_CRYPTO_CCX_KP,
	P54_CRYPTO_AESCCMP
	};

	enum p54_tx_data_queue {
	P54_QUEUE_BEACON = 0,
	P54_QUEUE_FWSCAN = 1,
	P54_QUEUE_MGMT = 2,
	P54_QUEUE_CAB = 3,
	P54_QUEUE_DATA = 4,

	P54_QUEUE_AC_NUM = 4,
	P54_QUEUE_AC_VO = 4,
	P54_QUEUE_AC_VI = 5,
	P54_QUEUE_AC_BE = 6,
	P54_QUEUE_AC_BK = 7,

	/* keep last */
	P54_QUEUE_NUM = 8,
	};

	#define IS_QOS_QUEUE(n) (n >= P54_QUEUE_DATA)

	struct p54_tx_data {
	u8 rateset[8];
	u8 rts_rate_idx;
	u8 crypt_offset;
	u8 key_type;
	u8 key_len;
	u8 key[16];
	u8 hw_queue;
	u8 backlog;
	__le16 durations[4];
	u8 tx_antenna;
	union {
	struct {
	u8 cts_rate;
	__le16 output_power;
	} __packed longbow;
	struct {
	u8 output_power;
	u8 cts_rate;
	u8 unalloc;
	} __packed normal;
	} __packed;
	u8 unalloc2[2];
	u8 align[0];
	} __packed;

	/* unit is ms */
	#define P54_TX_FRAME_LIFETIME 2000
	#define P54_TX_TIMEOUT 4000
	#define P54_STATISTICS_UPDATE 5000

	#define P54_FILTER_TYPE_NONE 0
	#define P54_FILTER_TYPE_STATION BIT(0)
	#define P54_FILTER_TYPE_IBSS BIT(1)
	#define P54_FILTER_TYPE_AP BIT(2)
	#define P54_FILTER_TYPE_TRANSPARENT BIT(3)
	#define P54_FILTER_TYPE_PROMISCUOUS BIT(4)
	#define P54_FILTER_TYPE_HIBERNATE BIT(5)
	#define P54_FILTER_TYPE_NOACK BIT(6)
	#define P54_FILTER_TYPE_RX_DISABLED BIT(7)

	struct p54_setup_mac {
	__le16 mac_mode;
	u8 mac_addr[ETH_ALEN];
	u8 bssid[ETH_ALEN];
	u8 rx_antenna;
	u8 rx_align;
	union {
	struct {
	__le32 basic_rate_mask;
	u8 rts_rates[8];
	__le32 rx_addr;
	__le16 max_rx;
	__le16 rxhw;
	__le16 wakeup_timer;
	__le16 unalloc0;
	} __packed v1;
	struct {
	__le32 rx_addr;
	__le16 max_rx;
	__le16 rxhw;
	__le16 timer;
	__le16 truncate;
	__le32 basic_rate_mask;
	u8 sbss_offset;
	u8 mcast_window;
	u8 rx_rssi_threshold;
	u8 rx_ed_threshold;
	__le32 ref_clock;
	__le16 lpf_bandwidth;
	__le16 osc_start_delay;
	} __packed v2;
	} __packed;
	} __packed;

	#define P54_SETUP_V1_LEN 40
	#define P54_SETUP_V2_LEN (sizeof(struct p54_setup_mac))

	#define P54_SCAN_EXIT BIT(0)
	#define P54_SCAN_TRAP BIT(1)
	#define P54_SCAN_ACTIVE BIT(2)
	#define P54_SCAN_FILTER BIT(3)

	struct p54_scan_head {
	__le16 mode;
	__le16 dwell;
	u8 scan_params[20];
	__le16 freq;
	} __packed;

	struct p54_pa_curve_data_sample {
	u8 rf_power;
	u8 pa_detector;
	u8 data_barker;
	u8 data_bpsk;
	u8 data_qpsk;
	u8 data_16qam;
	u8 data_64qam;
	u8 padding;
	} __packed;

	struct p54_scan_body {
	u8 pa_points_per_curve;
	u8 val_barker;
	u8 val_bpsk;
	u8 val_qpsk;
	u8 val_16qam;
	u8 val_64qam;
	struct p54_pa_curve_data_sample curve_data[8];
	u8 dup_bpsk;
	u8 dup_qpsk;
	u8 dup_16qam;
	u8 dup_64qam;
	} __packed;

	/*
	* Warning: Longbow's structures are bogus.
	*/
	struct p54_channel_output_limit_longbow {
	__le16 rf_power_points[12];
	} __packed;

	struct p54_pa_curve_data_sample_longbow {
	__le16 rf_power;
	__le16 pa_detector;
	struct {
	__le16 data[4];
	} points[3] __packed;
	} __packed;

	struct p54_scan_body_longbow {
	struct p54_channel_output_limit_longbow power_limits;
	struct p54_pa_curve_data_sample_longbow curve_data[8];
	__le16 unkn[6]; /* maybe more power_limits or rate_mask */
	} __packed;

	union p54_scan_body_union {
	struct p54_scan_body normal;
	struct p54_scan_body_longbow longbow;
	} __packed;

	struct p54_scan_tail_rate {
	__le32 basic_rate_mask;
	u8 rts_rates[8];
	} __packed;

	struct p54_led {
	__le16 flags;
	__le16 mask[2];
	__le16 delay[2];
	} __packed;

	struct p54_edcf {
	u8 flags;
	u8 slottime;
	u8 sifs;
	u8 eofpad;
	struct p54_edcf_queue_param queue[8];
	u8 mapping[4];
	__le16 frameburst;
	__le16 round_trip_delay;
	} __packed;

	struct p54_statistics {
	__le32 rx_success;
	__le32 rx_bad_fcs;
	__le32 rx_abort;
	__le32 rx_abort_phy;
	__le32 rts_success;
	__le32 rts_fail;
	__le32 tsf32;
	__le32 airtime;
	__le32 noise;
	__le32 sample_noise[8];
	__le32 sample_cca;
	__le32 sample_tx;
	} __packed;

	struct p54_xbow_synth {
	__le16 magic1;
	__le16 magic2;
	__le16 freq;
	u32 padding[5];
	} __packed;

	struct p54_timer {
	__le32 interval;
	} __packed;

	struct p54_keycache {
	u8 entry;
	u8 key_id;
	u8 mac[ETH_ALEN];
	u8 padding[2];
	u8 key_type;
	u8 key_len;
	u8 key[24];
	} __packed;

	struct p54_burst {
	u8 flags;
	u8 queue;
	u8 backlog;
	u8 pad;
	__le16 durations[32];
	} __packed;

	struct p54_psm_interval {
	__le16 interval;
	__le16 periods;
	} __packed;

	#define P54_PSM_CAM 0
	#define P54_PSM BIT(0)
	#define P54_PSM_DTIM BIT(1)
	#define P54_PSM_MCBC BIT(2)
	#define P54_PSM_CHECKSUM BIT(3)
	#define P54_PSM_SKIP_MORE_DATA BIT(4)
	#define P54_PSM_BEACON_TIMEOUT BIT(5)
	#define P54_PSM_HFOSLEEP BIT(6)
	#define P54_PSM_AUTOSWITCH_SLEEP BIT(7)
	#define P54_PSM_LPIT BIT(8)
	#define P54_PSM_BF_UCAST_SKIP BIT(9)
	#define P54_PSM_BF_MCAST_SKIP BIT(10)

	struct p54_psm {
	__le16 mode;
	__le16 aid;
	struct p54_psm_interval intervals[4];
	u8 beacon_rssi_skip_max;
	u8 rssi_delta_threshold;
	u8 nr;
	u8 exclude[1];
	} __packed;

	#define MC_FILTER_ADDRESS_NUM 4

	struct p54_group_address_table {
	__le16 filter_enable;
	__le16 num_address;
	u8 mac_list[MC_FILTER_ADDRESS_NUM][ETH_ALEN];
	} __packed;

	struct p54_txcancel {
	__le32 req_id;
	} __packed;

	struct p54_sta_unlock {
	u8 addr[ETH_ALEN];
	u16 padding;
	} __packed;

	#define P54_TIM_CLEAR BIT(15)
	struct p54_tim {
	u8 count;
	u8 padding[3];
	__le16 entry[8];
	} __packed;

	struct p54_cce_quiet {
	__le32 period;
	} __packed;

	struct p54_bt_balancer {
	__le16 prio_thresh;
	__le16 acl_thresh;
	} __packed;

	struct p54_arp_table {
	__le16 filter_enable;
	u8 ipv4_addr[4];
	} __packed;

	/* LED control */
	int p54_set_leds(struct p54_common *priv);
	int p54_init_leds(struct p54_common *priv);
	void p54_unregister_leds(struct p54_common *priv);

	/* xmit functions */
	void p54_tx_80211(struct ieee80211_hw *dev,
	struct ieee80211_tx_control *control,
	struct sk_buff *skb);
	int p54_tx_cancel(struct p54_common *priv, __le32 req_id);
	void p54_tx(struct p54_common priv, struct sk_buff skb);

	/* synth/phy configuration */
	int p54_init_xbow_synth(struct p54_common *priv);
	int p54_scan(struct p54_common *priv, u16 mode, u16 dwell);

	/* MAC */
	int p54_sta_unlock(struct p54_common priv, u8 addr);
	int p54_update_beacon_tim(struct p54_common *priv, u16 aid, bool set);
	int p54_setup_mac(struct p54_common *priv);
	int p54_set_ps(struct p54_common *priv);
	int p54_fetch_statistics(struct p54_common *priv);
	int p54_set_groupfilter(struct p54_common *priv);

	/* e/v DCF setup */
	int p54_set_edcf(struct p54_common *priv);

	/* cryptographic engine */
	int p54_upload_key(struct p54_common *priv, u8 algo, int slot,
	u8 idx, u8 len, u8 addr, u8 key);

	/* eeprom */
	int p54_download_eeprom(struct p54_common priv, void buf,
	u16 offset, u16 len);
	struct p54_rssi_db_entry p54_rssi_find(struct p54_common p, const u16 freq);

	/* utility */
	u8 p54_find_ie(struct sk_buff skb, u8 ie);

	#endif /* LMAC_H */