ipw2200.h

linux-2.6.15.6

	u16 next_packet_duration;
	u16 next_frag_len;
	u16 back_off_counter;	//////txop;
	u8 retrylimit;
	u16 cwcurrent;
	u8 reserved3;

	/* 802.11 MAC Header */
	union {
		struct tx_tfd_24 tfd_24;
		struct tx_tfd_26 tfd_26;
		struct tx_tfd_30 tfd_30;
		struct tx_tfd_32 tfd_32;
	} tfd;

	/* Payload DMA info */
	u32 num_chunks;
	u32 chunk_ptr[NUM_TFD_CHUNKS];
	u16 chunk_len[NUM_TFD_CHUNKS];
} __attribute__ ((packed));

struct txrx_control_flags {
	u8 message_type;
	u8 rx_seq_num;
	u8 control_bits;
	u8 reserved;
} __attribute__ ((packed));

#define  TFD_SIZE                           128
#define  TFD_CMD_IMMEDIATE_PAYLOAD_LENGTH   (TFD_SIZE - sizeof(struct txrx_control_flags))

struct tfd_frame {
	struct txrx_control_flags control_flags;
	union {
		struct tfd_data data;
		struct tfd_command cmd;
		u8 raw[TFD_CMD_IMMEDIATE_PAYLOAD_LENGTH];
	} u;
} __attribute__ ((packed));

typedef void destructor_func(const void *);

/**
 * Tx Queue for DMA. Queue consists of circular buffer of
 * BD's and required locking structures.
 */
struct clx2_tx_queue {
	struct clx2_queue q;
	struct tfd_frame *bd;
	struct ieee80211_txb **txb;
};

/*
 * RX related structures and functions
 */
#define RX_FREE_BUFFERS 32
#define RX_LOW_WATERMARK 8

#define SUP_RATE_11A_MAX_NUM_CHANNELS  8
#define SUP_RATE_11B_MAX_NUM_CHANNELS  4
#define SUP_RATE_11G_MAX_NUM_CHANNELS  12

// Used for passing to driver number of successes and failures per rate
struct rate_histogram {
	union {
		u32 a[SUP_RATE_11A_MAX_NUM_CHANNELS];
		u32 b[SUP_RATE_11B_MAX_NUM_CHANNELS];
		u32 g[SUP_RATE_11G_MAX_NUM_CHANNELS];
	} success;
	union {
		u32 a[SUP_RATE_11A_MAX_NUM_CHANNELS];
		u32 b[SUP_RATE_11B_MAX_NUM_CHANNELS];
		u32 g[SUP_RATE_11G_MAX_NUM_CHANNELS];
	} failed;
} __attribute__ ((packed));

/* statistics command response */
struct ipw_cmd_stats {
	u8 cmd_id;
	u8 seq_num;
	u16 good_sfd;
	u16 bad_plcp;
	u16 wrong_bssid;
	u16 valid_mpdu;
	u16 bad_mac_header;
	u16 reserved_frame_types;
	u16 rx_ina;
	u16 bad_crc32;
	u16 invalid_cts;
	u16 invalid_acks;
	u16 long_distance_ina_fina;
	u16 dsp_silence_unreachable;
	u16 accumulated_rssi;
	u16 rx_ovfl_frame_tossed;
	u16 rssi_silence_threshold;
	u16 rx_ovfl_frame_supplied;
	u16 last_rx_frame_signal;
	u16 last_rx_frame_noise;
	u16 rx_autodetec_no_ofdm;
	u16 rx_autodetec_no_barker;
	u16 reserved;
} __attribute__ ((packed));

struct notif_channel_result {
	u8 channel_num;
	struct ipw_cmd_stats stats;
	u8 uReserved;
} __attribute__ ((packed));

#define SCAN_COMPLETED_STATUS_COMPLETE  1
#define SCAN_COMPLETED_STATUS_ABORTED   2

struct notif_scan_complete {
	u8 scan_type;
	u8 num_channels;
	u8 status;
	u8 reserved;
} __attribute__ ((packed));

struct notif_frag_length {
	u16 frag_length;
	u16 reserved;
} __attribute__ ((packed));

struct notif_beacon_state {
	u32 state;
	u32 number;
} __attribute__ ((packed));

struct notif_tgi_tx_key {
	u8 key_state;
	u8 security_type;
	u8 station_index;
	u8 reserved;
} __attribute__ ((packed));

struct notif_link_deterioration {
	struct ipw_cmd_stats stats;
	u8 rate;
	u8 modulation;
	struct rate_histogram histogram;
	u8 reserved1;
	u16 reserved2;
} __attribute__ ((packed));

struct notif_association {
	u8 state;
} __attribute__ ((packed));

struct notif_authenticate {
	u8 state;
	struct machdr24 addr;
	u16 status;
} __attribute__ ((packed));

struct notif_calibration {
	u8 data[104];
} __attribute__ ((packed));

struct notif_noise {
	u32 value;
} __attribute__ ((packed));

struct ipw_rx_notification {
	u8 reserved[8];
	u8 subtype;
	u8 flags;
	u16 size;
	union {
		struct notif_association assoc;
		struct notif_authenticate auth;
		struct notif_channel_result channel_result;
		struct notif_scan_complete scan_complete;
		struct notif_frag_length frag_len;
		struct notif_beacon_state beacon_state;
		struct notif_tgi_tx_key tgi_tx_key;
		struct notif_link_deterioration link_deterioration;
		struct notif_calibration calibration;
		struct notif_noise noise;
		u8 raw[0];
	} u;
} __attribute__ ((packed));

struct ipw_rx_frame {
	u32 reserved1;
	u8 parent_tsf[4];	// fw_use[0] is boolean for OUR_TSF_IS_GREATER
	u8 received_channel;	// The channel that this frame was received on.
	// Note that for .11b this does not have to be
	// the same as the channel that it was sent.
	// Filled by LMAC
	u8 frameStatus;
	u8 rate;
	u8 rssi;
	u8 agc;
	u8 rssi_dbm;
	u16 signal;
	u16 noise;
	u8 antennaAndPhy;
	u8 control;		// control bit should be on in bg
	u8 rtscts_rate;		// rate of rts or cts (in rts cts sequence rate
	// is identical)
	u8 rtscts_seen;		// 0x1 RTS seen ; 0x2 CTS seen
	u16 length;
	u8 data[0];
} __attribute__ ((packed));

struct ipw_rx_header {
	u8 message_type;
	u8 rx_seq_num;
	u8 control_bits;
	u8 reserved;
} __attribute__ ((packed));

struct ipw_rx_packet {
	struct ipw_rx_header header;
	union {
		struct ipw_rx_frame frame;
		struct ipw_rx_notification notification;
	} u;
} __attribute__ ((packed));

#define IPW_RX_NOTIFICATION_SIZE sizeof(struct ipw_rx_header) + 12
#define IPW_RX_FRAME_SIZE        (unsigned int)(sizeof(struct ipw_rx_header) + \
                                 sizeof(struct ipw_rx_frame))

struct ipw_rx_mem_buffer {
	dma_addr_t dma_addr;
	struct ipw_rx_buffer *rxb;
	struct sk_buff *skb;
	struct list_head list;
};				/* Not transferred over network, so not  __attribute__ ((packed)) */

struct ipw_rx_queue {
	struct ipw_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
	struct ipw_rx_mem_buffer *queue[RX_QUEUE_SIZE];
	u32 processed;		/* Internal index to last handled Rx packet */
	u32 read;		/* Shared index to newest available Rx buffer */
	u32 write;		/* Shared index to oldest written Rx packet */
	u32 free_count;		/* Number of pre-allocated buffers in rx_free */
	/* Each of these lists is used as a FIFO for ipw_rx_mem_buffers */
	struct list_head rx_free;	/* Own an SKBs */
	struct list_head rx_used;	/* No SKB allocated */
	spinlock_t lock;
};				/* Not transferred over network, so not  __attribute__ ((packed)) */

struct alive_command_responce {
	u8 alive_command;
	u8 sequence_number;
	u16 software_revision;
	u8 device_identifier;
	u8 reserved1[5];
	u16 reserved2;
	u16 reserved3;
	u16 clock_settle_time;
	u16 powerup_settle_time;
	u16 reserved4;
	u8 time_stamp[5];	/* month, day, year, hours, minutes */
	u8 ucode_valid;
} __attribute__ ((packed));

#define IPW_MAX_RATES 12

struct ipw_rates {
	u8 num_rates;
	u8 rates[IPW_MAX_RATES];
} __attribute__ ((packed));

struct command_block {
	unsigned int control;
	u32 source_addr;
	u32 dest_addr;
	unsigned int status;
} __attribute__ ((packed));

#define CB_NUMBER_OF_ELEMENTS_SMALL 64
struct fw_image_desc {
	unsigned long last_cb_index;
	unsigned long current_cb_index;
	struct command_block cb_list[CB_NUMBER_OF_ELEMENTS_SMALL];
	void *v_addr;
	unsigned long p_addr;
	unsigned long len;
};

struct ipw_sys_config {
	u8 bt_coexistence;
	u8 reserved1;
	u8 answer_broadcast_ssid_probe;
	u8 accept_all_data_frames;
	u8 accept_non_directed_frames;
	u8 exclude_unicast_unencrypted;
	u8 disable_unicast_decryption;
	u8 exclude_multicast_unencrypted;
	u8 disable_multicast_decryption;
	u8 antenna_diversity;
	u8 pass_crc_to_host;
	u8 dot11g_auto_detection;
	u8 enable_cts_to_self;
	u8 enable_multicast_filtering;
	u8 bt_coexist_collision_thr;
	u8 reserved2;
	u8 accept_all_mgmt_bcpr;
	u8 accept_all_mgtm_frames;
	u8 pass_noise_stats_to_host;
	u8 reserved3;
} __attribute__ ((packed));

struct ipw_multicast_addr {
	u8 num_of_multicast_addresses;
	u8 reserved[3];
	u8 mac1[6];
	u8 mac2[6];
	u8 mac3[6];
	u8 mac4[6];
} __attribute__ ((packed));

#define DCW_WEP_KEY_INDEX_MASK		0x03	/* bits [0:1] */
#define DCW_WEP_KEY_SEC_TYPE_MASK	0x30	/* bits [4:5] */

#define DCW_WEP_KEY_SEC_TYPE_WEP	0x00
#define DCW_WEP_KEY_SEC_TYPE_CCM	0x20
#define DCW_WEP_KEY_SEC_TYPE_TKIP	0x30

#define DCW_WEP_KEY_INVALID_SIZE	0x00	/* 0 = Invalid key */
#define DCW_WEP_KEY64Bit_SIZE		0x05	/* 64-bit encryption */
#define DCW_WEP_KEY128Bit_SIZE		0x0D	/* 128-bit encryption */
#define DCW_CCM_KEY128Bit_SIZE		0x10	/* 128-bit key */
//#define DCW_WEP_KEY128BitIV_SIZE      0x10    /* 128-bit key and 128-bit IV */

struct ipw_wep_key {
	u8 cmd_id;
	u8 seq_num;
	u8 key_index;
	u8 key_size;
	u8 key[16];
} __attribute__ ((packed));

struct ipw_tgi_tx_key {
	u8 key_id;
	u8 security_type;
	u8 station_index;
	u8 flags;
	u8 key[16];
	u32 tx_counter[2];
} __attribute__ ((packed));

#define IPW_SCAN_CHANNELS 54

struct ipw_scan_request {
	u8 scan_type;
	u16 dwell_time;
	u8 channels_list[IPW_SCAN_CHANNELS];
	u8 channels_reserved[3];
} __attribute__ ((packed));

enum {
	IPW_SCAN_PASSIVE_TILL_FIRST_BEACON_SCAN = 0,
	IPW_SCAN_PASSIVE_FULL_DWELL_SCAN,
	IPW_SCAN_ACTIVE_DIRECT_SCAN,
	IPW_SCAN_ACTIVE_BROADCAST_SCAN,
	IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN,
	IPW_SCAN_TYPES
};

struct ipw_scan_request_ext {
	u32 full_scan_index;
	u8 channels_list[IPW_SCAN_CHANNELS];
	u8 scan_type[IPW_SCAN_CHANNELS / 2];
	u8 reserved;
	u16 dwell_time[IPW_SCAN_TYPES];
} __attribute__ ((packed));

extern inline u8 ipw_get_scan_type(struct ipw_scan_request_ext *scan, u8 index)
{
	if (index % 2)
		return scan->scan_type[index / 2] & 0x0F;
	else
		return (scan->scan_type[index / 2] & 0xF0) >> 4;
}

extern inline void ipw_set_scan_type(struct ipw_scan_request_ext *scan,
				     u8 index, u8 scan_type)
{
	if (index % 2)
		scan->scan_type[index / 2] =
		    (scan->scan_type[index / 2] & 0xF0) | (scan_type & 0x0F);
	else
		scan->scan_type[index / 2] =
		    (scan->scan_type[index / 2] & 0x0F) |
		    ((scan_type & 0x0F) << 4);
}

struct ipw_associate {
	u8 channel;
	u8 auth_type:4, auth_key:4;
	u8 assoc_type;
	u8 reserved;
	u16 policy_support;
	u8 preamble_length;
	u8 ieee_mode;
	u8 bssid[ETH_ALEN];
	u32 assoc_tsf_msw;
	u32 assoc_tsf_lsw;
	u16 capability;
	u16 listen_interval;
	u16 beacon_interval;
	u8 dest[ETH_ALEN];
	u16 atim_window;
	u8 smr;
	u8 reserved1;
	u16 reserved2;
} __attribute__ ((packed));

struct ipw_supported_rates {
	u8 ieee_mode;
	u8 num_rates;
	u8 purpose;
	u8 reserved;
	u8 supported_rates[IPW_MAX_RATES];
} __attribute__ ((packed));

struct ipw_rts_threshold {
	u16 rts_threshold;
	u16 reserved;
} __attribute__ ((packed));

struct ipw_frag_threshold {
	u16 frag_threshold;
	u16 reserved;
} __attribute__ ((packed));

struct ipw_retry_limit {
	u8 short_retry_limit;
	u8 long_retry_limit;
	u16 reserved;
} __attribute__ ((packed));

struct ipw_dino_config {
	u32 dino_config_addr;
	u16 dino_config_size;
	u8 dino_response;
	u8 reserved;
} __attribute__ ((packed));

struct ipw_aironet_info {
	u8 id;
	u8 length;
	u16 reserved;
} __attribute__ ((packed));

struct ipw_rx_key {
	u8 station_index;
	u8 key_type;
	u8 key_id;
	u8 key_flag;
	u8 key[16];
	u8 station_address[6];
	u8 key_index;
	u8 reserved;
} __attribute__ ((packed));

struct ipw_country_channel_info {
	u8 first_channel;
	u8 no_channels;
	s8 max_tx_power;
} __attribute__ ((packed));

struct ipw_country_info {
	u8 id;
	u8 length;
	u8 country_str[3];
	struct ipw_country_channel_info groups[7];
} __attribute__ ((packed));

struct ipw_channel_tx_power {
	u8 channel_number;
	s8 tx_power;
} __attribute__ ((packed));

#define SCAN_ASSOCIATED_INTERVAL (HZ)
#define SCAN_INTERVAL (HZ / 10)
#define MAX_A_CHANNELS  37