//// FuncCtrl field: //#define FUNC_CTRL_TxENABLE		0x10#define FUNC_CTRL_RxENABLE		0x20#define FUNC_CTRL_INIT_COMPLETE 	0x01/* A stub firmware image which reads the MAC address from NVRAM on the card.   For copyright information and source see the end of this file. */static u8 mac_reader[] = {	0x06,0x00,0x00,0xea,0x04,0x00,0x00,0xea,0x03,0x00,0x00,0xea,0x02,0x00,0x00,0xea,	0x01,0x00,0x00,0xea,0x00,0x00,0x00,0xea,0xff,0xff,0xff,0xea,0xfe,0xff,0xff,0xea,	0xd3,0x00,0xa0,0xe3,0x00,0xf0,0x21,0xe1,0x0e,0x04,0xa0,0xe3,0x00,0x10,0xa0,0xe3,	0x81,0x11,0xa0,0xe1,0x00,0x10,0x81,0xe3,0x00,0x10,0x80,0xe5,0x1c,0x10,0x90,0xe5,	0x10,0x10,0xc1,0xe3,0x1c,0x10,0x80,0xe5,0x01,0x10,0xa0,0xe3,0x08,0x10,0x80,0xe5,	0x02,0x03,0xa0,0xe3,0x00,0x10,0xa0,0xe3,0xb0,0x10,0xc0,0xe1,0xb4,0x10,0xc0,0xe1,	0xb8,0x10,0xc0,0xe1,0xbc,0x10,0xc0,0xe1,0x56,0xdc,0xa0,0xe3,0x21,0x00,0x00,0xeb,	0x0a,0x00,0xa0,0xe3,0x1a,0x00,0x00,0xeb,0x10,0x00,0x00,0xeb,0x07,0x00,0x00,0xeb,	0x02,0x03,0xa0,0xe3,0x02,0x14,0xa0,0xe3,0xb4,0x10,0xc0,0xe1,0x4c,0x10,0x9f,0xe5,	0xbc,0x10,0xc0,0xe1,0x10,0x10,0xa0,0xe3,0xb8,0x10,0xc0,0xe1,0xfe,0xff,0xff,0xea,	0x00,0x40,0x2d,0xe9,0x00,0x20,0xa0,0xe3,0x02,0x3c,0xa0,0xe3,0x00,0x10,0xa0,0xe3,	0x28,0x00,0x9f,0xe5,0x37,0x00,0x00,0xeb,0x00,0x40,0xbd,0xe8,0x1e,0xff,0x2f,0xe1,	0x00,0x40,0x2d,0xe9,0x12,0x2e,0xa0,0xe3,0x06,0x30,0xa0,0xe3,0x00,0x10,0xa0,0xe3,	0x02,0x04,0xa0,0xe3,0x2f,0x00,0x00,0xeb,0x00,0x40,0xbd,0xe8,0x1e,0xff,0x2f,0xe1,	0x00,0x02,0x00,0x02,0x80,0x01,0x90,0xe0,0x01,0x00,0x00,0x0a,0x01,0x00,0x50,0xe2,	0xfc,0xff,0xff,0xea,0x1e,0xff,0x2f,0xe1,0x80,0x10,0xa0,0xe3,0xf3,0x06,0xa0,0xe3,	0x00,0x10,0x80,0xe5,0x00,0x10,0xa0,0xe3,0x00,0x10,0x80,0xe5,0x01,0x10,0xa0,0xe3,	0x04,0x10,0x80,0xe5,0x00,0x10,0x80,0xe5,0x0e,0x34,0xa0,0xe3,0x1c,0x10,0x93,0xe5,	0x02,0x1a,0x81,0xe3,0x1c,0x10,0x83,0xe5,0x58,0x11,0x9f,0xe5,0x30,0x10,0x80,0xe5,	0x54,0x11,0x9f,0xe5,0x34,0x10,0x80,0xe5,0x38,0x10,0x80,0xe5,0x3c,0x10,0x80,0xe5,	0x10,0x10,0x90,0xe5,0x08,0x00,0x90,0xe5,0x1e,0xff,0x2f,0xe1,0xf3,0x16,0xa0,0xe3,	0x08,0x00,0x91,0xe5,0x05,0x00,0xa0,0xe3,0x0c,0x00,0x81,0xe5,0x10,0x00,0x91,0xe5,	0x02,0x00,0x10,0xe3,0xfc,0xff,0xff,0x0a,0xff,0x00,0xa0,0xe3,0x0c,0x00,0x81,0xe5,	0x10,0x00,0x91,0xe5,0x02,0x00,0x10,0xe3,0xfc,0xff,0xff,0x0a,0x08,0x00,0x91,0xe5,	0x10,0x00,0x91,0xe5,0x01,0x00,0x10,0xe3,0xfc,0xff,0xff,0x0a,0x08,0x00,0x91,0xe5,	0xff,0x00,0x00,0xe2,0x1e,0xff,0x2f,0xe1,0x30,0x40,0x2d,0xe9,0x00,0x50,0xa0,0xe1,	0x03,0x40,0xa0,0xe1,0xa2,0x02,0xa0,0xe1,0x08,0x00,0x00,0xe2,0x03,0x00,0x80,0xe2,	0xd8,0x10,0x9f,0xe5,0x00,0x00,0xc1,0xe5,0x01,0x20,0xc1,0xe5,0xe2,0xff,0xff,0xeb,	0x01,0x00,0x10,0xe3,0xfc,0xff,0xff,0x1a,0x14,0x00,0xa0,0xe3,0xc4,0xff,0xff,0xeb,	0x04,0x20,0xa0,0xe1,0x05,0x10,0xa0,0xe1,0x02,0x00,0xa0,0xe3,0x01,0x00,0x00,0xeb,	0x30,0x40,0xbd,0xe8,0x1e,0xff,0x2f,0xe1,0x70,0x40,0x2d,0xe9,0xf3,0x46,0xa0,0xe3,	0x00,0x30,0xa0,0xe3,0x00,0x00,0x50,0xe3,0x08,0x00,0x00,0x9a,0x8c,0x50,0x9f,0xe5,	0x03,0x60,0xd5,0xe7,0x0c,0x60,0x84,0xe5,0x10,0x60,0x94,0xe5,0x02,0x00,0x16,0xe3,	0xfc,0xff,0xff,0x0a,0x01,0x30,0x83,0xe2,0x00,0x00,0x53,0xe1,0xf7,0xff,0xff,0x3a,	0xff,0x30,0xa0,0xe3,0x0c,0x30,0x84,0xe5,0x08,0x00,0x94,0xe5,0x10,0x00,0x94,0xe5,	0x01,0x00,0x10,0xe3,0xfc,0xff,0xff,0x0a,0x08,0x00,0x94,0xe5,0x00,0x00,0xa0,0xe3,	0x00,0x00,0x52,0xe3,0x0b,0x00,0x00,0x9a,0x10,0x50,0x94,0xe5,0x02,0x00,0x15,0xe3,	0xfc,0xff,0xff,0x0a,0x0c,0x30,0x84,0xe5,0x10,0x50,0x94,0xe5,0x01,0x00,0x15,0xe3,	0xfc,0xff,0xff,0x0a,0x08,0x50,0x94,0xe5,0x01,0x50,0xc1,0xe4,0x01,0x00,0x80,0xe2,	0x02,0x00,0x50,0xe1,0xf3,0xff,0xff,0x3a,0xc8,0x00,0xa0,0xe3,0x98,0xff,0xff,0xeb,	0x70,0x40,0xbd,0xe8,0x1e,0xff,0x2f,0xe1,0x01,0x0c,0x00,0x02,0x01,0x02,0x00,0x02,	0x00,0x01,0x00,0x02};struct atmel_private {	void *card; /* Bus dependent stucture varies for PCcard */	int (*present_callback)(void *); /* And callback which uses it */	char firmware_id[32];	AtmelFWType firmware_type;	u8 *firmware;	int firmware_length;	struct timer_list management_timer;	struct net_device *dev;	struct device *sys_dev;	struct iw_statistics wstats;	struct net_device_stats	stats;	// device stats	spinlock_t irqlock, timerlock;	// spinlocks	enum { BUS_TYPE_PCCARD, BUS_TYPE_PCI } bus_type;	enum { 		CARD_TYPE_PARALLEL_FLASH, 		CARD_TYPE_SPI_FLASH,		CARD_TYPE_EEPROM 	} card_type;	int do_rx_crc; /* If we need to CRC incoming packets */	int probe_crc; /* set if we don't yet know */	int crc_ok_cnt, crc_ko_cnt; /* counters for probing */	u16 rx_desc_head;	u16 tx_desc_free, tx_desc_head, tx_desc_tail, tx_desc_previous;	u16 tx_free_mem, tx_buff_head, tx_buff_tail;		u16 frag_seq, frag_len, frag_no;	u8 frag_source[6]; 		u8 wep_is_on, default_key, exclude_unencrypted, encryption_level;	u8 group_cipher_suite, pairwise_cipher_suite;	u8 wep_keys[MAX_ENCRYPTION_KEYS][MAX_ENCRYPTION_KEY_SIZE];	int wep_key_len[MAX_ENCRYPTION_KEYS]; 	int use_wpa, radio_on_broken; /* firmware dependent stuff. */	u16 host_info_base;	struct host_info_struct { 		/* NB this is matched to the hardware, don't change. */		u8 volatile int_status;		u8 volatile int_mask;		u8 volatile lockout_host;		u8 volatile lockout_mac;		u16 tx_buff_pos;		u16 tx_buff_size;		u16 tx_desc_pos;		u16 tx_desc_count;		u16 rx_buff_pos;		u16 rx_buff_size;		u16 rx_desc_pos;		u16 rx_desc_count;				u16 build_version;		u16 command_pos; 					u16 major_version;		u16 minor_version;				u16 func_ctrl;		u16 mac_status;		u16 generic_IRQ_type;		u8  reserved[2];	} host_info;	enum { 		STATION_STATE_SCANNING,		STATION_STATE_JOINNING,		STATION_STATE_AUTHENTICATING,		STATION_STATE_ASSOCIATING,		STATION_STATE_READY,		STATION_STATE_REASSOCIATING,		STATION_STATE_DOWN,		STATION_STATE_MGMT_ERROR	} station_state;		int operating_mode, power_mode;	time_t last_qual;	int beacons_this_sec;	int channel;	int reg_domain, config_reg_domain;	int tx_rate;	int auto_tx_rate;	int rts_threshold;	int frag_threshold;	int long_retry, short_retry;	int preamble;	int default_beacon_period, beacon_period, listen_interval;	int CurrentAuthentTransactionSeqNum, ExpectedAuthentTransactionSeqNum;		int AuthenticationRequestRetryCnt, AssociationRequestRetryCnt, ReAssociationRequestRetryCnt;	enum {		SITE_SURVEY_IDLE,		SITE_SURVEY_IN_PROGRESS,		SITE_SURVEY_COMPLETED 	} site_survey_state;	time_t last_survey;	int station_was_associated, station_is_associated;	int fast_scan;					struct bss_info {		int channel;		int SSIDsize;		int RSSI;		int UsingWEP;		int preamble;		int beacon_period;		int BSStype;		u8 BSSID[6];		u8 SSID[MAX_SSID_LENGTH];	} BSSinfo[MAX_BSS_ENTRIES];	int BSS_list_entries, current_BSS;	int connect_to_any_BSS; 	int SSID_size, new_SSID_size;	u8 CurrentBSSID[6], BSSID[6];	u8 SSID[MAX_SSID_LENGTH], new_SSID[MAX_SSID_LENGTH];	u64 last_beacon_timestamp;	u8 rx_buf[MAX_WIRELESS_BODY];	};static u8 atmel_basic_rates[4] = {0x82,0x84,0x0b,0x16};static const struct {	int reg_domain;	int min, max;	char *name; } channel_table[] = { { REG_DOMAIN_FCC, 1, 11, "USA" },		      { REG_DOMAIN_DOC, 1, 11, "Canada" },		      { REG_DOMAIN_ETSI, 1, 13, "Europe" },		      { REG_DOMAIN_SPAIN, 10, 11, "Spain" },		      { REG_DOMAIN_FRANCE, 10, 13, "France" }, 		      { REG_DOMAIN_MKK, 14, 14, "MKK" },		      { REG_DOMAIN_MKK1, 1, 14, "MKK1" },		      { REG_DOMAIN_ISRAEL, 3, 9, "Israel"} };static void build_wpa_mib(struct atmel_private *priv);static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);static void atmel_copy_to_card(struct net_device *dev, u16 dest, unsigned char *src, u16 len);static void atmel_copy_to_host(struct net_device *dev, unsigned char *dest, u16 src, u16 len);static void atmel_set_gcr(struct net_device *dev, u16 mask);static void atmel_clear_gcr(struct net_device *dev, u16 mask);static int atmel_lock_mac(struct atmel_private *priv);static void atmel_wmem32(struct atmel_private *priv, u16 pos, u32 data);static void atmel_command_irq(struct atmel_private *priv);static int atmel_validate_channel(struct atmel_private *priv, int channel);static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_hdr *header, 				   u16 frame_len, u8 rssi);static void atmel_management_timer(u_long a);static void atmel_send_command(struct atmel_private *priv, int command, void *cmd, int cmd_size);static int atmel_send_command_wait(struct atmel_private *priv, int command, void *cmd, int cmd_size);static void atmel_transmit_management_frame(struct atmel_private *priv, struct ieee80211_hdr *header,					    u8 *body, int body_len);static u8 atmel_get_mib8(struct atmel_private *priv, u8 type, u8 index);static void atmel_set_mib8(struct atmel_private *priv, u8 type, u8 index, u8 data);static void atmel_set_mib16(struct atmel_private *priv, u8 type, u8 index, u16 data);static void atmel_set_mib(struct atmel_private *priv, u8 type, u8 index, u8 *data, int data_len);static void atmel_get_mib(struct atmel_private *priv, u8 type, u8 index, u8 *data, int data_len);static void atmel_scan(struct atmel_private *priv, int specific_ssid);static void atmel_join_bss(struct atmel_private *priv, int bss_index);static void atmel_smooth_qual(struct atmel_private *priv);static void atmel_writeAR(struct net_device *dev, u16 data);static int probe_atmel_card(struct net_device *dev);static int reset_atmel_card(struct net_device *dev );static void atmel_enter_state(struct atmel_private *priv, int new_state);int atmel_open (struct net_device *dev);static inline u16 atmel_hi(struct atmel_private *priv, u16 offset){	return priv->host_info_base + offset;}static inline u16 atmel_co(struct atmel_private *priv, u16 offset){	return priv->host_info.command_pos + offset;}static inline u16 atmel_rx(struct atmel_private *priv, u16 offset, u16  desc){	return priv->host_info.rx_desc_pos + (sizeof(struct rx_desc) * desc) + offset;}static inline u16 atmel_tx(struct atmel_private *priv, u16 offset, u16  desc){	return priv->host_info.tx_desc_pos + (sizeof(struct tx_desc) * desc) + offset;}static inline u8 atmel_read8(struct net_device *dev, u16 offset){	return inb(dev->base_addr + offset);}static inline void atmel_write8(struct net_device *dev, u16 offset, u8 data){	outb(data, dev->base_addr + offset);}static inline u16 atmel_read16(struct net_device *dev, u16 offset){	return inw(dev->base_addr + offset);}static inline void atmel_write16(struct net_device *dev, u16 offset, u16 data){	outw(data, dev->base_addr + offset);}static inline u8 atmel_rmem8(struct atmel_private *priv, u16 pos){	atmel_writeAR(priv->dev, pos);		return atmel_read8(priv->dev, DR);}static inline void atmel_wmem8(struct atmel_private *priv, u16 pos, u16 data){	atmel_writeAR(priv->dev, pos);		atmel_write8(priv->dev, DR, data);}static inline u16 atmel_rmem16(struct atmel_private *priv, u16 pos){       	atmel_writeAR(priv->dev, pos);		return atmel_read16(priv->dev, DR);}static inline void atmel_wmem16(struct atmel_private *priv, u16 pos, u16 data){       	atmel_writeAR(priv->dev, pos);		atmel_write16(priv->dev, DR, data);}static const struct iw_handler_def atmel_handler_def;static void tx_done_irq(struct atmel_private *priv){	int i;	for (i = 0; 	     atmel_rmem8(priv, atmel_tx(priv, TX_DESC_FLAGS_OFFSET, priv->tx_desc_head)) == TX_DONE &&		     i < priv->host_info.tx_desc_count;	     i++) {				u8 status = atmel_rmem8(priv, atmel_tx(priv, TX_DESC_STATUS_OFFSET, priv->tx_desc_head));		u16 msdu_size = atmel_rmem16(priv, atmel_tx(priv, TX_DESC_SIZE_OFFSET, priv->tx_desc_head));		u8 type = atmel_rmem8(priv, atmel_tx(priv, TX_DESC_PACKET_TYPE_OFFSET, priv->tx_desc_head));		atmel_wmem8(priv, atmel_tx(priv, TX_DESC_FLAGS_OFFSET, priv->tx_desc_head), 0);		priv->tx_free_mem += msdu_size;		priv->tx_desc_free++;		if (priv->tx_buff_head + msdu_size > (priv->host_info.tx_buff_pos + priv->host_info.tx_buff_size))			priv->tx_buff_head = 0;		else			priv->tx_buff_head += msdu_size;					if (priv->tx_desc_head < (priv->host_info.tx_desc_count - 1))			priv->tx_desc_head++ ;							else			priv->tx_desc_head = 0;				if (type == TX_PACKET_TYPE_DATA) {			if (status == TX_STATUS_SUCCESS)				priv->stats.tx_packets++;			else 				priv->stats.tx_errors++;			netif_wake_queue(priv->dev);		}	}}static u16 find_tx_buff(struct atmel_private *priv, u16 len){	u16 bottom_free = priv->host_info.tx_buff_size - priv->tx_buff_tail;	if (priv->tx_desc_free == 3 || priv->tx_free_mem < len) 		return 0;		if (bottom_free >= len)		return priv->host_info.tx_buff_pos + priv->tx_buff_tail;		if (priv->tx_free_mem - bottom_free >= len) {		priv->tx_buff_tail = 0;		return priv->host_info.tx_buff_pos;	}		return 0;}static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, u16 len, u16 buff, u8 type){	atmel_wmem16(priv, atmel_tx(priv, TX_DESC_POS_OFFSET, priv->tx_desc_tail), buff);	atmel_wmem16(priv, atmel_tx(priv, TX_DESC_SIZE_OFFSET, priv->tx_desc_tail), len);	if (!priv->use_wpa)		atmel_wmem16(priv, atmel_tx(priv, TX_DESC_HOST_LENGTH_OFFSET, priv->tx_desc_tail), len);	atmel_wmem8(priv, atmel_tx(priv, TX_DESC_PACKET_TYPE_OFFSET, priv->tx_desc_tail), type);	atmel_wmem8(priv, atmel_tx(priv, TX_DESC_RATE_OFFSET, priv->tx_desc_tail), priv->tx_rate);	atmel_wmem8(priv, atmel_tx(priv, TX_DESC_RETRY_OFFSET, priv->tx_desc_tail), 0);	if (priv->use_wpa) {		int cipher_type, cipher_length;		if (is_bcast) {			cipher_type = priv->group_cipher_suite;			if (cipher_type == CIPHER_SUITE_WEP_64 || 			    cipher_type == CIPHER_SUITE_WEP_128 )				cipher_length = 8;			else if (cipher_type == CIPHER_SUITE_TKIP)				cipher_length = 12;			else if (priv->pairwise_cipher_suite == CIPHER_SUITE_WEP_64 ||				 priv->pairwise_cipher_suite == CIPHER_SUITE_WEP_128) {				cipher_type = priv->pairwise_cipher_suite;				cipher_length = 8;			} else {				cipher_type = CIPHER_SUITE_NONE;				cipher_length = 0;			}		} else {			cipher_type = priv->pairwise_cipher_suite;			if (cipher_type == CIPHER_SUITE_WEP_64 || 			    cipher_type == CIPHER_SUITE_WEP_128 )				cipher_length = 8;			else if (cipher_type == CIPHER_SUITE_TKIP)				cipher_length = 12;			else if (priv->group_cipher_suite == CIPHER_SUITE_WEP_64 ||				 priv->group_cipher_suite == CIPHER_SUITE_WEP_128) {				cipher_type = priv->group_cipher_suite;				cipher_length = 8;			} else {				cipher_type = CIPHER_SUITE_NONE;				cipher_length = 0;			}		}				atmel_wmem8(priv, atmel_tx(priv, TX_DESC_CIPHER_TYPE_OFFSET, priv->tx_desc_tail),			    cipher_type);			atmel_wmem8(priv, atmel_tx(priv, TX_DESC_CIPHER_LENGTH_OFFSET, priv->tx_desc_tail),			    cipher_length);	}	atmel_wmem32(priv, atmel_tx(priv, TX_DESC_NEXT_OFFSET, priv->tx_desc_tail), 0x80000000L);	atmel_wmem8(priv, atmel_tx(priv, TX_DESC_FLAGS_OFFSET, priv->tx_desc_tail), TX_FIRM_OWN);	if (priv->tx_desc_previous != priv->tx_desc_tail)		atmel_wmem32(priv, atmel_tx(priv, TX_DESC_NEXT_OFFSET, priv->tx_desc_previous), 0);	priv->tx_desc_previous = priv->tx_desc_tail;	if (priv->tx_desc_tail < (priv->host_info.tx_desc_count -1 ))		priv->tx_desc_tail++;	else		priv->tx_desc_tail = 0;	priv->tx_desc_free--;	priv->tx_free_mem -= len;}static int start_tx (struct sk_buff *skb, struct net_device *dev){	struct atmel_private *priv = netdev_priv(dev);	struct ieee80211_hdr header;	unsigned long flags;	u16 buff, frame_ctl, len = (ETH_ZLEN < skb->len) ? skb->len : ETH_ZLEN;	u8 SNAP_RFC1024[6] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00}; 	if (priv->card && priv->present_callback && 	    !(*priv->present_callback)(priv->card)) {		priv->stats.tx_errors++;		dev_kfree_skb(skb);