diff options
Diffstat (limited to 'drivers/net/wireless/at76c50x-usb.h')
| -rw-r--r-- | drivers/net/wireless/at76c50x-usb.h | 463 |
1 files changed, 463 insertions, 0 deletions
diff --git a/drivers/net/wireless/at76c50x-usb.h b/drivers/net/wireless/at76c50x-usb.h new file mode 100644 index 00000000000..1ec5ccffdbc --- /dev/null +++ b/drivers/net/wireless/at76c50x-usb.h @@ -0,0 +1,463 @@ +/* + * 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 */ |