464 lines
11 KiB
C
464 lines
11 KiB
C
/*
|
|
* Copyright (c) 2002,2003 Oliver Kurth
|
|
* (c) 2003,2004 Joerg Albert <joerg.albert@gmx.de>
|
|
* (c) 2007 Guido Guenther <agx@sigxcpu.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This driver was based on information from the Sourceforge driver
|
|
* released and maintained by Atmel:
|
|
*
|
|
* http://sourceforge.net/projects/atmelwlandriver/
|
|
*
|
|
* Although the code was completely re-written,
|
|
* it would have been impossible without Atmel's decision to
|
|
* release an Open Source driver (unfortunately the firmware was
|
|
* kept binary only). Thanks for that decision to Atmel!
|
|
*/
|
|
|
|
#ifndef _AT76_USB_H
|
|
#define _AT76_USB_H
|
|
|
|
/* Board types */
|
|
enum board_type {
|
|
BOARD_503_ISL3861 = 1,
|
|
BOARD_503_ISL3863 = 2,
|
|
BOARD_503 = 3,
|
|
BOARD_503_ACC = 4,
|
|
BOARD_505 = 5,
|
|
BOARD_505_2958 = 6,
|
|
BOARD_505A = 7,
|
|
BOARD_505AMX = 8
|
|
};
|
|
|
|
#define CMD_STATUS_IDLE 0x00
|
|
#define CMD_STATUS_COMPLETE 0x01
|
|
#define CMD_STATUS_UNKNOWN 0x02
|
|
#define CMD_STATUS_INVALID_PARAMETER 0x03
|
|
#define CMD_STATUS_FUNCTION_NOT_SUPPORTED 0x04
|
|
#define CMD_STATUS_TIME_OUT 0x07
|
|
#define CMD_STATUS_IN_PROGRESS 0x08
|
|
#define CMD_STATUS_HOST_FAILURE 0xff
|
|
#define CMD_STATUS_SCAN_FAILED 0xf0
|
|
|
|
/* answers to get op mode */
|
|
#define OPMODE_NONE 0x00
|
|
#define OPMODE_NORMAL_NIC_WITH_FLASH 0x01
|
|
#define OPMODE_HW_CONFIG_MODE 0x02
|
|
#define OPMODE_DFU_MODE_WITH_FLASH 0x03
|
|
#define OPMODE_NORMAL_NIC_WITHOUT_FLASH 0x04
|
|
|
|
#define CMD_SET_MIB 0x01
|
|
#define CMD_GET_MIB 0x02
|
|
#define CMD_SCAN 0x03
|
|
#define CMD_JOIN 0x04
|
|
#define CMD_START_IBSS 0x05
|
|
#define CMD_RADIO_ON 0x06
|
|
#define CMD_RADIO_OFF 0x07
|
|
#define CMD_STARTUP 0x0B
|
|
|
|
#define MIB_LOCAL 0x01
|
|
#define MIB_MAC_ADDR 0x02
|
|
#define MIB_MAC 0x03
|
|
#define MIB_MAC_MGMT 0x05
|
|
#define MIB_MAC_WEP 0x06
|
|
#define MIB_PHY 0x07
|
|
#define MIB_FW_VERSION 0x08
|
|
#define MIB_MDOMAIN 0x09
|
|
|
|
#define ADHOC_MODE 1
|
|
#define INFRASTRUCTURE_MODE 2
|
|
|
|
/* values for struct mib_local, field preamble_type */
|
|
#define PREAMBLE_TYPE_LONG 0
|
|
#define PREAMBLE_TYPE_SHORT 1
|
|
#define PREAMBLE_TYPE_AUTO 2
|
|
|
|
/* values for tx_rate */
|
|
#define TX_RATE_1MBIT 0
|
|
#define TX_RATE_2MBIT 1
|
|
#define TX_RATE_5_5MBIT 2
|
|
#define TX_RATE_11MBIT 3
|
|
#define TX_RATE_AUTO 4
|
|
|
|
/* power management modes */
|
|
#define AT76_PM_OFF 1
|
|
#define AT76_PM_ON 2
|
|
#define AT76_PM_SMART 3
|
|
|
|
struct hwcfg_r505 {
|
|
u8 cr39_values[14];
|
|
u8 reserved1[14];
|
|
u8 bb_cr[14];
|
|
u8 pidvid[4];
|
|
u8 mac_addr[ETH_ALEN];
|
|
u8 regulatory_domain;
|
|
u8 reserved2[14];
|
|
u8 cr15_values[14];
|
|
u8 reserved3[3];
|
|
} __attribute__((packed));
|
|
|
|
struct hwcfg_rfmd {
|
|
u8 cr20_values[14];
|
|
u8 cr21_values[14];
|
|
u8 bb_cr[14];
|
|
u8 pidvid[4];
|
|
u8 mac_addr[ETH_ALEN];
|
|
u8 regulatory_domain;
|
|
u8 low_power_values[14];
|
|
u8 normal_power_values[14];
|
|
u8 reserved1[3];
|
|
} __attribute__((packed));
|
|
|
|
struct hwcfg_intersil {
|
|
u8 mac_addr[ETH_ALEN];
|
|
u8 cr31_values[14];
|
|
u8 cr58_values[14];
|
|
u8 pidvid[4];
|
|
u8 regulatory_domain;
|
|
u8 reserved[1];
|
|
} __attribute__((packed));
|
|
|
|
union at76_hwcfg {
|
|
struct hwcfg_intersil i;
|
|
struct hwcfg_rfmd r3;
|
|
struct hwcfg_r505 r5;
|
|
};
|
|
|
|
#define WEP_SMALL_KEY_LEN (40 / 8)
|
|
#define WEP_LARGE_KEY_LEN (104 / 8)
|
|
#define WEP_KEYS (4)
|
|
|
|
struct at76_card_config {
|
|
u8 exclude_unencrypted;
|
|
u8 promiscuous_mode;
|
|
u8 short_retry_limit;
|
|
u8 encryption_type;
|
|
__le16 rts_threshold;
|
|
__le16 fragmentation_threshold; /* 256..2346 */
|
|
u8 basic_rate_set[4];
|
|
u8 auto_rate_fallback; /* 0,1 */
|
|
u8 channel;
|
|
u8 privacy_invoked;
|
|
u8 wep_default_key_id; /* 0..3 */
|
|
u8 current_ssid[32];
|
|
u8 wep_default_key_value[4][WEP_LARGE_KEY_LEN];
|
|
u8 ssid_len;
|
|
u8 short_preamble;
|
|
__le16 beacon_period;
|
|
} __attribute__((packed));
|
|
|
|
struct at76_command {
|
|
u8 cmd;
|
|
u8 reserved;
|
|
__le16 size;
|
|
u8 data[0];
|
|
} __attribute__((packed));
|
|
|
|
/* Length of Atmel-specific Rx header before 802.11 frame */
|
|
#define AT76_RX_HDRLEN offsetof(struct at76_rx_buffer, packet)
|
|
|
|
struct at76_rx_buffer {
|
|
__le16 wlength;
|
|
u8 rx_rate;
|
|
u8 newbss;
|
|
u8 fragmentation;
|
|
u8 rssi;
|
|
u8 link_quality;
|
|
u8 noise_level;
|
|
__le32 rx_time;
|
|
u8 packet[IEEE80211_MAX_FRAG_THRESHOLD];
|
|
} __attribute__((packed));
|
|
|
|
/* Length of Atmel-specific Tx header before 802.11 frame */
|
|
#define AT76_TX_HDRLEN offsetof(struct at76_tx_buffer, packet)
|
|
|
|
struct at76_tx_buffer {
|
|
__le16 wlength;
|
|
u8 tx_rate;
|
|
u8 padding;
|
|
u8 reserved[4];
|
|
u8 packet[IEEE80211_MAX_FRAG_THRESHOLD];
|
|
} __attribute__((packed));
|
|
|
|
/* defines for scan_type below */
|
|
#define SCAN_TYPE_ACTIVE 0
|
|
#define SCAN_TYPE_PASSIVE 1
|
|
|
|
struct at76_req_scan {
|
|
u8 bssid[ETH_ALEN];
|
|
u8 essid[32];
|
|
u8 scan_type;
|
|
u8 channel;
|
|
__le16 probe_delay;
|
|
__le16 min_channel_time;
|
|
__le16 max_channel_time;
|
|
u8 essid_size;
|
|
u8 international_scan;
|
|
} __attribute__((packed));
|
|
|
|
struct at76_req_ibss {
|
|
u8 bssid[ETH_ALEN];
|
|
u8 essid[32];
|
|
u8 bss_type;
|
|
u8 channel;
|
|
u8 essid_size;
|
|
u8 reserved[3];
|
|
} __attribute__((packed));
|
|
|
|
struct at76_req_join {
|
|
u8 bssid[ETH_ALEN];
|
|
u8 essid[32];
|
|
u8 bss_type;
|
|
u8 channel;
|
|
__le16 timeout;
|
|
u8 essid_size;
|
|
u8 reserved;
|
|
} __attribute__((packed));
|
|
|
|
struct set_mib_buffer {
|
|
u8 type;
|
|
u8 size;
|
|
u8 index;
|
|
u8 reserved;
|
|
union {
|
|
u8 byte;
|
|
__le16 word;
|
|
u8 addr[ETH_ALEN];
|
|
} data;
|
|
} __attribute__((packed));
|
|
|
|
struct mib_local {
|
|
u16 reserved0;
|
|
u8 beacon_enable;
|
|
u8 txautorate_fallback;
|
|
u8 reserved1;
|
|
u8 ssid_size;
|
|
u8 promiscuous_mode;
|
|
u16 reserved2;
|
|
u8 preamble_type;
|
|
u16 reserved3;
|
|
} __attribute__((packed));
|
|
|
|
struct mib_mac_addr {
|
|
u8 mac_addr[ETH_ALEN];
|
|
u8 res[2]; /* ??? */
|
|
u8 group_addr[4][ETH_ALEN];
|
|
u8 group_addr_status[4];
|
|
} __attribute__((packed));
|
|
|
|
struct mib_mac {
|
|
__le32 max_tx_msdu_lifetime;
|
|
__le32 max_rx_lifetime;
|
|
__le16 frag_threshold;
|
|
__le16 rts_threshold;
|
|
__le16 cwmin;
|
|
__le16 cwmax;
|
|
u8 short_retry_time;
|
|
u8 long_retry_time;
|
|
u8 scan_type; /* active or passive */
|
|
u8 scan_channel;
|
|
__le16 probe_delay; /* delay before ProbeReq in active scan, RO */
|
|
__le16 min_channel_time;
|
|
__le16 max_channel_time;
|
|
__le16 listen_interval;
|
|
u8 desired_ssid[32];
|
|
u8 desired_bssid[ETH_ALEN];
|
|
u8 desired_bsstype; /* ad-hoc or infrastructure */
|
|
u8 reserved2;
|
|
} __attribute__((packed));
|
|
|
|
struct mib_mac_mgmt {
|
|
__le16 beacon_period;
|
|
__le16 CFP_max_duration;
|
|
__le16 medium_occupancy_limit;
|
|
__le16 station_id; /* assoc id */
|
|
__le16 ATIM_window;
|
|
u8 CFP_mode;
|
|
u8 privacy_option_implemented;
|
|
u8 DTIM_period;
|
|
u8 CFP_period;
|
|
u8 current_bssid[ETH_ALEN];
|
|
u8 current_essid[32];
|
|
u8 current_bss_type;
|
|
u8 power_mgmt_mode;
|
|
/* rfmd and 505 */
|
|
u8 ibss_change;
|
|
u8 res;
|
|
u8 multi_domain_capability_implemented;
|
|
u8 multi_domain_capability_enabled;
|
|
u8 country_string[3];
|
|
u8 reserved[3];
|
|
} __attribute__((packed));
|
|
|
|
struct mib_mac_wep {
|
|
u8 privacy_invoked; /* 0 disable encr., 1 enable encr */
|
|
u8 wep_default_key_id;
|
|
u8 wep_key_mapping_len;
|
|
u8 exclude_unencrypted;
|
|
__le32 wep_icv_error_count;
|
|
__le32 wep_excluded_count;
|
|
u8 wep_default_keyvalue[WEP_KEYS][WEP_LARGE_KEY_LEN];
|
|
u8 encryption_level; /* 1 for 40bit, 2 for 104bit encryption */
|
|
} __attribute__((packed));
|
|
|
|
struct mib_phy {
|
|
__le32 ed_threshold;
|
|
|
|
__le16 slot_time;
|
|
__le16 sifs_time;
|
|
__le16 preamble_length;
|
|
__le16 plcp_header_length;
|
|
__le16 mpdu_max_length;
|
|
__le16 cca_mode_supported;
|
|
|
|
u8 operation_rate_set[4];
|
|
u8 channel_id;
|
|
u8 current_cca_mode;
|
|
u8 phy_type;
|
|
u8 current_reg_domain;
|
|
} __attribute__((packed));
|
|
|
|
struct mib_fw_version {
|
|
u8 major;
|
|
u8 minor;
|
|
u8 patch;
|
|
u8 build;
|
|
} __attribute__((packed));
|
|
|
|
struct mib_mdomain {
|
|
u8 tx_powerlevel[14];
|
|
u8 channel_list[14]; /* 0 for invalid channels */
|
|
} __attribute__((packed));
|
|
|
|
struct at76_fw_header {
|
|
__le32 crc; /* CRC32 of the whole image */
|
|
__le32 board_type; /* firmware compatibility code */
|
|
u8 build; /* firmware build number */
|
|
u8 patch; /* firmware patch level */
|
|
u8 minor; /* firmware minor version */
|
|
u8 major; /* firmware major version */
|
|
__le32 str_offset; /* offset of the copyright string */
|
|
__le32 int_fw_offset; /* internal firmware image offset */
|
|
__le32 int_fw_len; /* internal firmware image length */
|
|
__le32 ext_fw_offset; /* external firmware image offset */
|
|
__le32 ext_fw_len; /* external firmware image length */
|
|
} __attribute__((packed));
|
|
|
|
/* a description of a regulatory domain and the allowed channels */
|
|
struct reg_domain {
|
|
u16 code;
|
|
char const *name;
|
|
u32 channel_map; /* if bit N is set, channel (N+1) is allowed */
|
|
};
|
|
|
|
/* Data for one loaded firmware file */
|
|
struct fwentry {
|
|
const char *const fwname;
|
|
const struct firmware *fw;
|
|
int extfw_size;
|
|
int intfw_size;
|
|
/* pointer to loaded firmware, no need to free */
|
|
u8 *extfw; /* external firmware, extfw_size bytes long */
|
|
u8 *intfw; /* internal firmware, intfw_size bytes long */
|
|
enum board_type board_type; /* board type */
|
|
struct mib_fw_version fw_version;
|
|
int loaded; /* Loaded and parsed successfully */
|
|
};
|
|
|
|
struct at76_priv {
|
|
struct usb_device *udev; /* USB device pointer */
|
|
|
|
struct sk_buff *rx_skb; /* skbuff for receiving data */
|
|
struct sk_buff *tx_skb; /* skbuff for transmitting data */
|
|
void *bulk_out_buffer; /* buffer for sending data */
|
|
|
|
struct urb *tx_urb; /* URB for sending data */
|
|
struct urb *rx_urb; /* URB for receiving data */
|
|
|
|
unsigned int tx_pipe; /* bulk out pipe */
|
|
unsigned int rx_pipe; /* bulk in pipe */
|
|
|
|
struct mutex mtx; /* locks this structure */
|
|
|
|
/* work queues */
|
|
struct work_struct work_set_promisc;
|
|
struct work_struct work_submit_rx;
|
|
struct delayed_work dwork_hw_scan;
|
|
|
|
struct tasklet_struct rx_tasklet;
|
|
|
|
/* the WEP stuff */
|
|
int wep_enabled; /* 1 if WEP is enabled */
|
|
int wep_key_id; /* key id to be used */
|
|
u8 wep_keys[WEP_KEYS][WEP_LARGE_KEY_LEN]; /* WEP keys */
|
|
u8 wep_keys_len[WEP_KEYS]; /* length of WEP keys */
|
|
|
|
int channel;
|
|
int iw_mode;
|
|
u8 bssid[ETH_ALEN];
|
|
u8 essid[IW_ESSID_MAX_SIZE];
|
|
int essid_size;
|
|
int radio_on;
|
|
int promisc;
|
|
|
|
int preamble_type; /* 0 - long, 1 - short, 2 - auto */
|
|
int auth_mode; /* authentication type: 0 open, 1 shared key */
|
|
int txrate; /* 0,1,2,3 = 1,2,5.5,11 Mbps, 4 is auto */
|
|
int frag_threshold; /* threshold for fragmentation of tx packets */
|
|
int rts_threshold; /* threshold for RTS mechanism */
|
|
int short_retry_limit;
|
|
|
|
int scan_min_time; /* scan min channel time */
|
|
int scan_max_time; /* scan max channel time */
|
|
int scan_mode; /* SCAN_TYPE_ACTIVE, SCAN_TYPE_PASSIVE */
|
|
int scan_need_any; /* if set, need to scan for any ESSID */
|
|
|
|
u16 assoc_id; /* current association ID, if associated */
|
|
|
|
u8 pm_mode; /* power management mode */
|
|
u32 pm_period; /* power management period in microseconds */
|
|
|
|
struct reg_domain const *domain; /* reg domain description */
|
|
|
|
/* These fields contain HW config provided by the device (not all of
|
|
* these fields are used by all board types) */
|
|
u8 mac_addr[ETH_ALEN];
|
|
u8 regulatory_domain;
|
|
|
|
struct at76_card_config card_config;
|
|
|
|
enum board_type board_type;
|
|
struct mib_fw_version fw_version;
|
|
|
|
unsigned int device_unplugged:1;
|
|
unsigned int netdev_registered:1;
|
|
struct set_mib_buffer mib_buf; /* global buffer for set_mib calls */
|
|
|
|
int beacon_period; /* period of mgmt beacons, Kus */
|
|
|
|
struct ieee80211_hw *hw;
|
|
int mac80211_registered;
|
|
};
|
|
|
|
#define AT76_SUPPORTED_FILTERS FIF_PROMISC_IN_BSS
|
|
|
|
#define SCAN_POLL_INTERVAL (HZ / 4)
|
|
|
|
#define CMD_COMPLETION_TIMEOUT (5 * HZ)
|
|
|
|
#define DEF_RTS_THRESHOLD 1536
|
|
#define DEF_FRAG_THRESHOLD 1536
|
|
#define DEF_SHORT_RETRY_LIMIT 8
|
|
#define DEF_CHANNEL 10
|
|
#define DEF_SCAN_MIN_TIME 10
|
|
#define DEF_SCAN_MAX_TIME 120
|
|
|
|
/* the max padding size for tx in bytes (see calc_padding) */
|
|
#define MAX_PADDING_SIZE 53
|
|
|
|
#endif /* _AT76_USB_H */
|