forked from Minki/linux
Staging: at76_usb: update drivers/staging/at76_usb w/ mac80211 port
This updates drivers/staging/at76_usb to correspond with the latest version previously available in wireless-testing. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
John W. Linville
Greg Kroah-Hartman
parent
1f9e9ce1f9
commit
02227c2839
@ -1,6 +1,6 @@
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config USB_ATMEL
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tristate "Atmel at76c503/at76c505/at76c505a USB cards"
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depends on WLAN_80211 && USB
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depends on MAC80211 && WLAN_80211 && USB
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default N
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select FW_LOADER
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---help---
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File diff suppressed because it is too large
Load Diff
@ -34,23 +34,6 @@ enum board_type {
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BOARD_505AMX = 8
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};
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/* our private ioctl's */
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/* preamble length (0 - long, 1 - short, 2 - auto) */
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#define AT76_SET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 0)
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#define AT76_GET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 1)
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/* which debug channels are enabled */
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#define AT76_SET_DEBUG (SIOCIWFIRSTPRIV + 2)
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#define AT76_GET_DEBUG (SIOCIWFIRSTPRIV + 3)
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/* power save mode (incl. the Atmel proprietary smart save mode) */
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#define AT76_SET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 4)
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#define AT76_GET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 5)
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/* min and max channel times for scan */
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#define AT76_SET_SCAN_TIMES (SIOCIWFIRSTPRIV + 6)
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#define AT76_GET_SCAN_TIMES (SIOCIWFIRSTPRIV + 7)
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/* scan mode (0 - active, 1 - passive) */
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#define AT76_SET_SCAN_MODE (SIOCIWFIRSTPRIV + 8)
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#define AT76_GET_SCAN_MODE (SIOCIWFIRSTPRIV + 9)
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#define CMD_STATUS_IDLE 0x00
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#define CMD_STATUS_COMPLETE 0x01
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#define CMD_STATUS_UNKNOWN 0x02
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@ -82,6 +65,7 @@ enum board_type {
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#define MIB_MAC 0x03
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#define MIB_MAC_MGMT 0x05
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#define MIB_MAC_WEP 0x06
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#define MIB_MAC_ENCRYPTION 0x06
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#define MIB_PHY 0x07
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#define MIB_FW_VERSION 0x08
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#define MIB_MDOMAIN 0x09
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@ -106,6 +90,26 @@ enum board_type {
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#define AT76_PM_ON 2
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#define AT76_PM_SMART 3
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/* cipher values for encryption keys */
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#define CIPHER_NONE 0 /* this value is only guessed */
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#define CIPHER_WEP64 1
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#define CIPHER_TKIP 2
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#define CIPHER_CCMP 3
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#define CIPHER_CCX 4 /* for consistency sake only */
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#define CIPHER_WEP128 5
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/* bit flags key types for encryption keys */
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#define KEY_PAIRWISE 2
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#define KEY_TX 4
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#define CIPHER_KEYS (4)
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#define CIPHER_KEY_LEN (40)
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struct key_config {
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u8 cipher;
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u8 keylen;
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};
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struct hwcfg_r505 {
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u8 cr39_values[14];
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u8 reserved1[14];
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@ -147,6 +151,9 @@ union at76_hwcfg {
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#define WEP_SMALL_KEY_LEN (40 / 8)
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#define WEP_LARGE_KEY_LEN (104 / 8)
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#define WEP_KEYS (4)
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struct at76_card_config {
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u8 exclude_unencrypted;
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@ -161,7 +168,7 @@ struct at76_card_config {
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u8 privacy_invoked;
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u8 wep_default_key_id; /* 0..3 */
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u8 current_ssid[32];
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u8 wep_default_key_value[4][WEP_KEY_LEN];
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u8 wep_default_key_value[4][WEP_LARGE_KEY_LEN];
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u8 ssid_len;
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u8 short_preamble;
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__le16 beacon_period;
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@ -186,7 +193,7 @@ struct at76_rx_buffer {
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u8 link_quality;
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u8 noise_level;
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__le32 rx_time;
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u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN];
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u8 packet[IEEE80211_MAX_FRAG_THRESHOLD];
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} __attribute__((packed));
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/* Length of Atmel-specific Tx header before 802.11 frame */
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@ -196,8 +203,11 @@ struct at76_tx_buffer {
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__le16 wlength;
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u8 tx_rate;
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u8 padding;
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u8 reserved[4];
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u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN];
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u8 key_id;
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u8 cipher_type;
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u8 cipher_length;
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u8 reserved;
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u8 packet[IEEE80211_MAX_FRAG_THRESHOLD];
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} __attribute__((packed));
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/* defines for scan_type below */
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@ -244,6 +254,7 @@ struct set_mib_buffer {
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u8 byte;
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__le16 word;
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u8 addr[ETH_ALEN];
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u8 data[256]; /* we need more space for mib_mac_encryption */
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} data;
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} __attribute__((packed));
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@ -317,10 +328,24 @@ struct mib_mac_wep {
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u8 exclude_unencrypted;
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__le32 wep_icv_error_count;
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__le32 wep_excluded_count;
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u8 wep_default_keyvalue[WEP_KEYS][WEP_KEY_LEN];
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u8 wep_default_keyvalue[WEP_KEYS][WEP_LARGE_KEY_LEN];
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u8 encryption_level; /* 1 for 40bit, 2 for 104bit encryption */
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} __attribute__((packed));
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struct mib_mac_encryption {
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u8 cipher_default_keyvalue[CIPHER_KEYS][CIPHER_KEY_LEN];
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u8 tkip_bssid[6];
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u8 privacy_invoked;
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u8 cipher_default_key_id;
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u8 cipher_default_group_key_id;
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u8 exclude_unencrypted;
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u8 wep_encryption_type;
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u8 ckip_key_permutation; /* bool */
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__le32 wep_icv_error_count;
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__le32 wep_excluded_count;
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u8 key_rsc[CIPHER_KEYS][8];
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} __attribute__((packed));
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struct mib_phy {
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__le32 ed_threshold;
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@ -364,16 +389,6 @@ struct at76_fw_header {
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__le32 ext_fw_len; /* external firmware image length */
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} __attribute__((packed));
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enum mac_state {
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MAC_INIT,
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MAC_SCANNING,
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MAC_AUTH,
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MAC_ASSOC,
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MAC_JOINING,
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MAC_CONNECTED,
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MAC_OWN_IBSS
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};
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/* a description of a regulatory domain and the allowed channels */
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struct reg_domain {
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u16 code;
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@ -381,47 +396,6 @@ struct reg_domain {
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u32 channel_map; /* if bit N is set, channel (N+1) is allowed */
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};
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/* how long do we keep a (I)BSS in the bss_list in jiffies
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this should be long enough for the user to retrieve the table
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(by iwlist ?) after the device started, because all entries from
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other channels than the one the device locks on get removed, too */
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#define BSS_LIST_TIMEOUT (120 * HZ)
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/* struct to store BSS info found during scan */
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#define BSS_LIST_MAX_RATE_LEN 32 /* 32 rates should be enough ... */
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struct bss_info {
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struct list_head list;
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u8 bssid[ETH_ALEN]; /* bssid */
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u8 ssid[IW_ESSID_MAX_SIZE]; /* essid */
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u8 ssid_len; /* length of ssid above */
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u8 channel;
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u16 capa; /* BSS capabilities */
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u16 beacon_interval; /* beacon interval, Kus (1024 microseconds) */
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u8 rates[BSS_LIST_MAX_RATE_LEN]; /* supported rates in units of
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500 kbps, ORed with 0x80 for
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basic rates */
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u8 rates_len;
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/* quality of received beacon */
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u8 rssi;
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u8 link_qual;
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u8 noise_level;
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unsigned long last_rx; /* time (jiffies) of last beacon received */
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};
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/* a rx data buffer to collect rx fragments */
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struct rx_data_buf {
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u8 sender[ETH_ALEN]; /* sender address */
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u16 seqnr; /* sequence number */
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u16 fragnr; /* last fragment received */
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unsigned long last_rx; /* jiffies of last rx */
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struct sk_buff *skb; /* == NULL if entry is free */
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};
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#define NR_RX_DATA_BUF 8
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/* Data for one loaded firmware file */
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struct fwentry {
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const char *const fwname;
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@ -438,11 +412,9 @@ struct fwentry {
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struct at76_priv {
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struct usb_device *udev; /* USB device pointer */
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struct net_device *netdev; /* net device pointer */
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struct net_device_stats stats; /* net device stats */
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struct iw_statistics wstats; /* wireless stats */
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struct sk_buff *rx_skb; /* skbuff for receiving data */
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struct sk_buff *tx_skb; /* skbuff for transmitting data */
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void *bulk_out_buffer; /* buffer for sending data */
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struct urb *tx_urb; /* URB for sending data */
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@ -454,26 +426,17 @@ struct at76_priv {
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struct mutex mtx; /* locks this structure */
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/* work queues */
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struct work_struct work_assoc_done;
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struct work_struct work_join;
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struct work_struct work_new_bss;
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struct work_struct work_start_scan;
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struct work_struct work_set_promisc;
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struct work_struct work_submit_rx;
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struct delayed_work dwork_restart;
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struct delayed_work dwork_get_scan;
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struct delayed_work dwork_beacon;
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struct delayed_work dwork_auth;
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struct delayed_work dwork_assoc;
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struct delayed_work dwork_hw_scan;
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struct tasklet_struct rx_tasklet;
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/* the WEP stuff */
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int wep_enabled; /* 1 if WEP is enabled */
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int wep_key_id; /* key id to be used */
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u8 wep_keys[WEP_KEYS][WEP_KEY_LEN]; /* the four WEP keys,
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5 or 13 bytes are used */
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u8 wep_keys_len[WEP_KEYS]; /* the length of the above keys */
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u8 wep_keys[WEP_KEYS][WEP_LARGE_KEY_LEN]; /* WEP keys */
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u8 wep_keys_len[WEP_KEYS]; /* length of WEP keys */
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int channel;
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int iw_mode;
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@ -495,44 +458,13 @@ struct at76_priv {
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int scan_mode; /* SCAN_TYPE_ACTIVE, SCAN_TYPE_PASSIVE */
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int scan_need_any; /* if set, need to scan for any ESSID */
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/* the list we got from scanning */
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spinlock_t bss_list_spinlock; /* protects bss_list operations */
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struct list_head bss_list; /* list of BSS we got beacons from */
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struct timer_list bss_list_timer; /* timer to purge old entries
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from bss_list */
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struct bss_info *curr_bss; /* current BSS */
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u16 assoc_id; /* current association ID, if associated */
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u8 wanted_bssid[ETH_ALEN];
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int wanted_bssid_valid; /* != 0 if wanted_bssid is to be used */
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/* some data for infrastructure mode only */
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spinlock_t mgmt_spinlock; /* this spinlock protects access to
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next_mgmt_bulk */
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struct at76_tx_buffer *next_mgmt_bulk; /* pending management msg to
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send via bulk out */
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enum mac_state mac_state;
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enum {
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SCAN_IDLE,
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SCAN_IN_PROGRESS,
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SCAN_COMPLETED
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} scan_state;
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time_t last_scan;
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int retries; /* remaining retries in case of timeout when
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* sending AuthReq or AssocReq */
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u8 pm_mode; /* power management mode */
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u32 pm_period; /* power management period in microseconds */
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struct reg_domain const *domain; /* reg domain description */
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/* iwspy support */
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spinlock_t spy_spinlock;
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struct iw_spy_data spy_data;
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struct iw_public_data wireless_data;
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/* These fields contain HW config provided by the device (not all of
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* these fields are used by all board types) */
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u8 mac_addr[ETH_ALEN];
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@ -540,9 +472,6 @@ struct at76_priv {
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struct at76_card_config card_config;
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/* store rx fragments until complete */
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struct rx_data_buf rx_data[NR_RX_DATA_BUF];
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enum board_type board_type;
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struct mib_fw_version fw_version;
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@ -550,58 +479,20 @@ struct at76_priv {
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unsigned int netdev_registered:1;
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struct set_mib_buffer mib_buf; /* global buffer for set_mib calls */
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/* beacon counting */
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int beacon_period; /* period of mgmt beacons, Kus */
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int beacons_received;
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unsigned long beacons_last_qual; /* time we restarted counting
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beacons */
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struct ieee80211_hw *hw;
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int mac80211_registered;
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struct key_config keys[4]; /* installed key types */
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u8 default_pairwise_key;
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u8 default_group_key;
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};
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struct at76_rx_radiotap {
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struct ieee80211_radiotap_header rt_hdr;
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__le64 rt_tsft;
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u8 rt_flags;
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u8 rt_rate;
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s8 rt_signal;
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s8 rt_noise;
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};
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#define AT76_SUPPORTED_FILTERS FIF_PROMISC_IN_BSS
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#define AT76_RX_RADIOTAP_PRESENT \
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((1 << IEEE80211_RADIOTAP_TSFT) | \
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(1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_RATE) | \
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(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
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(1 << IEEE80211_RADIOTAP_DB_ANTNOISE))
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#define BEACON_MAX_DATA_LENGTH 1500
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/* the maximum size of an AssocReq packet */
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#define ASSOCREQ_MAX_SIZE \
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(AT76_TX_HDRLEN + sizeof(struct ieee80211_assoc_request) + \
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1 + 1 + IW_ESSID_MAX_SIZE + 1 + 1 + 4)
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/* for shared secret auth, add the challenge text size */
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#define AUTH_FRAME_SIZE (AT76_TX_HDRLEN + sizeof(struct ieee80211_auth))
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/* Maximal number of AuthReq retries */
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#define AUTH_RETRIES 3
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/* Maximal number of AssocReq retries */
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#define ASSOC_RETRIES 3
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/* Beacon timeout in managed mode when we are connected */
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#define BEACON_TIMEOUT (10 * HZ)
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/* Timeout for authentication response */
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#define AUTH_TIMEOUT (1 * HZ)
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/* Timeout for association response */
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#define ASSOC_TIMEOUT (1 * HZ)
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/* Polling interval when scan is running */
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#define SCAN_POLL_INTERVAL (HZ / 4)
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/* Command completion timeout */
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#define CMD_COMPLETION_TIMEOUT (5 * HZ)
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#define DEF_RTS_THRESHOLD 1536
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@ -611,8 +502,6 @@ struct at76_rx_radiotap {
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#define DEF_SCAN_MIN_TIME 10
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#define DEF_SCAN_MAX_TIME 120
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#define MAX_RTS_THRESHOLD (MAX_FRAG_THRESHOLD + 1)
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/* the max padding size for tx in bytes (see calc_padding) */
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#define MAX_PADDING_SIZE 53
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