diff options
Diffstat (limited to 'drivers/net/wireless/libertas_tf')
| -rw-r--r-- | drivers/net/wireless/libertas_tf/libertas_tf.h | 514 |
1 files changed, 514 insertions, 0 deletions
diff --git a/drivers/net/wireless/libertas_tf/libertas_tf.h b/drivers/net/wireless/libertas_tf/libertas_tf.h new file mode 100644 index 00000000000..8995cd7c29b --- /dev/null +++ b/drivers/net/wireless/libertas_tf/libertas_tf.h @@ -0,0 +1,514 @@ +/* + * Copyright (C) 2008, cozybit Inc. + * Copyright (C) 2007, Red Hat, Inc. + * Copyright (C) 2003-2006, Marvell International Ltd. + * + * 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. + */ +#include <linux/spinlock.h> +#include <linux/device.h> +#include <linux/kthread.h> +#include <net/mac80211.h> + +#ifndef DRV_NAME +#define DRV_NAME "libertas_tf" +#endif + +#define MRVL_DEFAULT_RETRIES 9 +#define MRVL_PER_PACKET_RATE 0x10 +#define MRVL_MAX_BCN_SIZE 440 +#define CMD_OPTION_WAITFORRSP 0x0002 + +/* Return command are almost always the same as the host command, but with + * bit 15 set high. There are a few exceptions, though... + */ +#define CMD_RET(cmd) (0x8000 | cmd) + +/* Command codes */ +#define CMD_GET_HW_SPEC 0x0003 +#define CMD_802_11_RESET 0x0005 +#define CMD_MAC_MULTICAST_ADR 0x0010 +#define CMD_802_11_RADIO_CONTROL 0x001c +#define CMD_802_11_RF_CHANNEL 0x001d +#define CMD_802_11_RF_TX_POWER 0x001e +#define CMD_MAC_CONTROL 0x0028 +#define CMD_802_11_MAC_ADDRESS 0x004d +#define CMD_SET_BOOT2_VER 0x00a5 +#define CMD_802_11_BEACON_CTRL 0x00b0 +#define CMD_802_11_BEACON_SET 0x00cb +#define CMD_802_11_SET_MODE 0x00cc +#define CMD_802_11_SET_BSSID 0x00cd + +#define CMD_ACT_GET 0x0000 +#define CMD_ACT_SET 0x0001 + +/* Define action or option for CMD_802_11_RESET */ +#define CMD_ACT_HALT 0x0003 + +/* Define action or option for CMD_MAC_CONTROL */ +#define CMD_ACT_MAC_RX_ON 0x0001 +#define CMD_ACT_MAC_TX_ON 0x0002 +#define CMD_ACT_MAC_MULTICAST_ENABLE 0x0020 +#define CMD_ACT_MAC_BROADCAST_ENABLE 0x0040 +#define CMD_ACT_MAC_PROMISCUOUS_ENABLE 0x0080 +#define CMD_ACT_MAC_ALL_MULTICAST_ENABLE 0x0100 + +/* Define action or option for CMD_802_11_RADIO_CONTROL */ +#define CMD_TYPE_AUTO_PREAMBLE 0x0001 +#define CMD_TYPE_SHORT_PREAMBLE 0x0002 +#define CMD_TYPE_LONG_PREAMBLE 0x0003 + +#define TURN_ON_RF 0x01 +#define RADIO_ON 0x01 +#define RADIO_OFF 0x00 + +#define SET_AUTO_PREAMBLE 0x05 +#define SET_SHORT_PREAMBLE 0x03 +#define SET_LONG_PREAMBLE 0x01 + +/* Define action or option for CMD_802_11_RF_CHANNEL */ +#define CMD_OPT_802_11_RF_CHANNEL_GET 0x00 +#define CMD_OPT_802_11_RF_CHANNEL_SET 0x01 + +/* Codes for CMD_802_11_SET_MODE */ +enum lbtf_mode { + LBTF_PASSIVE_MODE, + LBTF_STA_MODE, + LBTF_AP_MODE, +}; + +/** Card Event definition */ +#define MACREG_INT_CODE_FIRMWARE_READY 48 +/** Buffer Constants */ + +/* The size of SQ memory PPA, DPA are 8 DWORDs, that keep the physical +* addresses of TxPD buffers. Station has only 8 TxPD available, Whereas +* driver has more local TxPDs. Each TxPD on the host memory is associated +* with a Tx control node. The driver maintains 8 RxPD descriptors for +* station firmware to store Rx packet information. +* +* Current version of MAC has a 32x6 multicast address buffer. +* +* 802.11b can have up to 14 channels, the driver keeps the +* BSSID(MAC address) of each APs or Ad hoc stations it has sensed. +*/ + +#define MRVDRV_MAX_MULTICAST_LIST_SIZE 32 +#define LBS_NUM_CMD_BUFFERS 10 +#define LBS_CMD_BUFFER_SIZE (2 * 1024) +#define MRVDRV_MAX_CHANNEL_SIZE 14 +#define MRVDRV_SNAP_HEADER_LEN 8 + +#define LBS_UPLD_SIZE 2312 +#define DEV_NAME_LEN 32 + +/** Misc constants */ +/* This section defines 802.11 specific contants */ + +#define MRVDRV_MAX_REGION_CODE 6 +/** + * the table to keep region code + */ +#define LBTF_REGDOMAIN_US 0x10 +#define LBTF_REGDOMAIN_CA 0x20 +#define LBTF_REGDOMAIN_EU 0x30 +#define LBTF_REGDOMAIN_SP 0x31 +#define LBTF_REGDOMAIN_FR 0x32 +#define LBTF_REGDOMAIN_JP 0x40 + +#define SBI_EVENT_CAUSE_SHIFT 3 + +/** RxPD status */ + +#define MRVDRV_RXPD_STATUS_OK 0x0001 + + +/* This is for firmware specific length */ +#define EXTRA_LEN 36 + +#define MRVDRV_ETH_TX_PACKET_BUFFER_SIZE \ + (ETH_FRAME_LEN + sizeof(struct txpd) + EXTRA_LEN) + +#define MRVDRV_ETH_RX_PACKET_BUFFER_SIZE \ + (ETH_FRAME_LEN + sizeof(struct rxpd) \ + + MRVDRV_SNAP_HEADER_LEN + EXTRA_LEN) + +#define CMD_F_HOSTCMD (1 << 0) +#define FW_CAPINFO_WPA (1 << 0) + +#define RF_ANTENNA_1 0x1 +#define RF_ANTENNA_2 0x2 +#define RF_ANTENNA_AUTO 0xFFFF + +#define LBTF_EVENT_BCN_SENT 55 + +/** Global Variable Declaration */ +/** mv_ms_type */ +enum mv_ms_type { + MVMS_DAT = 0, + MVMS_CMD = 1, + MVMS_TXDONE = 2, + MVMS_EVENT +}; + +extern struct workqueue_struct *lbtf_wq; + +struct lbtf_private; + +struct lbtf_offset_value { + u32 offset; + u32 value; +}; + +struct channel_range { + u8 regdomain; + u8 start; + u8 end; /* exclusive (channel must be less than end) */ +}; + +struct if_usb_card; + +/** Private structure for the MV device */ +struct lbtf_private { + void *card; + struct ieee80211_hw *hw; + + /* Command response buffer */ + u8 cmd_resp_buff[LBS_UPLD_SIZE]; + /* Download sent: + bit0 1/0=data_sent/data_tx_done, + bit1 1/0=cmd_sent/cmd_tx_done, + all other bits reserved 0 */ + struct ieee80211_vif *vif; + + struct work_struct cmd_work; + struct work_struct tx_work; + /** Hardware access */ + int (*hw_host_to_card) (struct lbtf_private *priv, u8 type, u8 *payload, u16 nb); + int (*hw_prog_firmware) (struct if_usb_card *cardp); + int (*hw_reset_device) (struct if_usb_card *cardp); + + + /** Wlan adapter data structure*/ + /** STATUS variables */ + u32 fwrelease; + u32 fwcapinfo; + /* protected with big lock */ + + struct mutex lock; + + /** command-related variables */ + u16 seqnum; + /* protected by big lock */ + + struct cmd_ctrl_node *cmd_array; + /** Current command */ + struct cmd_ctrl_node *cur_cmd; + /** command Queues */ + /** Free command buffers */ + struct list_head cmdfreeq; + /** Pending command buffers */ + struct list_head cmdpendingq; + + /** spin locks */ + spinlock_t driver_lock; + + /** Timers */ + struct timer_list command_timer; + int nr_retries; + int cmd_timed_out; + + u8 cmd_response_rxed; + + /** capability Info used in Association, start, join */ + u16 capability; + + /** MAC address information */ + u8 current_addr[ETH_ALEN]; + u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN]; + u32 nr_of_multicastmacaddr; + int cur_freq; + + struct sk_buff *skb_to_tx; + struct sk_buff *tx_skb; + + /** NIC Operation characteristics */ + u16 mac_control; + u16 regioncode; + struct channel_range range; + + u8 radioon; + u32 preamble; + + struct ieee80211_channel channels[14]; + struct ieee80211_rate rates[12]; + struct ieee80211_supported_band band; + struct lbtf_offset_value offsetvalue; + + u8 fw_ready; + u8 surpriseremoved; + struct sk_buff_head bc_ps_buf; +}; + +/* 802.11-related definitions */ + +/* TxPD descriptor */ +struct txpd { + /* Current Tx packet status */ + __le32 tx_status; + /* Tx control */ + __le32 tx_control; + __le32 tx_packet_location; + /* Tx packet length */ + __le16 tx_packet_length; + /* First 2 byte of destination MAC address */ + u8 tx_dest_addr_high[2]; + /* Last 4 byte of destination MAC address */ + u8 tx_dest_addr_low[4]; + /* Pkt Priority */ + u8 priority; + /* Pkt Trasnit Power control */ + u8 powermgmt; + /* Time the packet has been queued in the driver (units = 2ms) */ + u8 pktdelay_2ms; + /* reserved */ + u8 reserved1; +}; + +/* RxPD Descriptor */ +struct rxpd { + /* Current Rx packet status */ + __le16 status; + + /* SNR */ + u8 snr; + + /* Tx control */ + u8 rx_control; + + /* Pkt length */ + __le16 pkt_len; + + /* Noise Floor */ + u8 nf; + + /* Rx Packet Rate */ + u8 rx_rate; + + /* Pkt addr */ + __le32 pkt_ptr; + + /* Next Rx RxPD addr */ + __le32 next_rxpd_ptr; + + /* Pkt Priority */ + u8 priority; + u8 reserved[3]; +}; + +struct cmd_header { + __le16 command; + __le16 size; + __le16 seqnum; + __le16 result; +} __attribute__ ((packed)); + +struct cmd_ctrl_node { + struct list_head list; + int result; + /* command response */ + int (*callback)(struct lbtf_private *, + unsigned long, struct cmd_header *); + unsigned long callback_arg; + /* command data */ + struct cmd_header *cmdbuf; + /* wait queue */ + u16 cmdwaitqwoken; + wait_queue_head_t cmdwait_q; +}; + +/* + * Define data structure for CMD_GET_HW_SPEC + * This structure defines the response for the GET_HW_SPEC command + */ +struct cmd_ds_get_hw_spec { + struct cmd_header hdr; + + /* HW Interface version number */ + __le16 hwifversion; + /* HW version number */ + __le16 version; + /* Max number of TxPD FW can handle */ + __le16 nr_txpd; + /* Max no of Multicast address */ + __le16 nr_mcast_adr; + /* MAC address */ + u8 permanentaddr[6]; + + /* region Code */ + __le16 regioncode; + + /* Number of antenna used */ + __le16 nr_antenna; + + /* FW release number, example 0x01030304 = 2.3.4p1 */ + __le32 fwrelease; + + /* Base Address of TxPD queue */ + __le32 wcb_base; + /* Read Pointer of RxPd queue */ + __le32 rxpd_rdptr; + + /* Write Pointer of RxPd queue */ + __le32 rxpd_wrptr; + + /*FW/HW capability */ + __le32 fwcapinfo; +} __attribute__ ((packed)); + +struct cmd_ds_mac_control { + struct cmd_header hdr; + __le16 action; + u16 reserved; +}; + +struct cmd_ds_802_11_mac_address { + struct cmd_header hdr; + + __le16 action; + uint8_t macadd[ETH_ALEN]; +}; + +struct cmd_ds_mac_multicast_addr { + struct cmd_header hdr; + + __le16 action; + __le16 nr_of_adrs; + u8 maclist[ETH_ALEN * MRVDRV_MAX_MULTICAST_LIST_SIZE]; +}; + +struct cmd_ds_set_mode { + struct cmd_header hdr; + + __le16 mode; +}; + +struct cmd_ds_set_bssid { + struct cmd_header hdr; + + u8 bssid[6]; + u8 activate; +}; + +struct cmd_ds_802_11_radio_control { + struct cmd_header hdr; + + __le16 action; + __le16 control; +}; + + +struct cmd_ds_802_11_rf_channel { + struct cmd_header hdr; + + __le16 action; + __le16 channel; + __le16 rftype; /* unused */ + __le16 reserved; /* unused */ + u8 channellist[32]; /* unused */ +}; + +struct cmd_ds_set_boot2_ver { + struct cmd_header hdr; + + __le16 action; + __le16 version; +}; + +struct cmd_ds_802_11_reset { + struct cmd_header hdr; + + __le16 action; +}; + +struct cmd_ds_802_11_beacon_control { + struct cmd_header hdr; + + __le16 action; + __le16 beacon_enable; + __le16 beacon_period; +}; + +struct cmd_ds_802_11_beacon_set { + struct cmd_header hdr; + + __le16 len; + u8 beacon[MRVL_MAX_BCN_SIZE]; +}; + +struct lbtf_private; +struct cmd_ctrl_node; + +/** Function Prototype Declaration */ +void lbtf_set_mac_control(struct lbtf_private *priv); + +int lbtf_free_cmd_buffer(struct lbtf_private *priv); + +int lbtf_allocate_cmd_buffer(struct lbtf_private *priv); +int lbtf_execute_next_command(struct lbtf_private *priv); +int lbtf_set_radio_control(struct lbtf_private *priv); +int lbtf_update_hw_spec(struct lbtf_private *priv); +int lbtf_cmd_set_mac_multicast_addr(struct lbtf_private *priv); +void lbtf_set_mode(struct lbtf_private *priv, enum lbtf_mode mode); +void lbtf_set_bssid(struct lbtf_private *priv, bool activate, u8 *bssid); +int lbtf_set_mac_address(struct lbtf_private *priv, uint8_t *mac_addr); + +int lbtf_set_channel(struct lbtf_private *priv, u8 channel); + +int lbtf_beacon_set(struct lbtf_private *priv, struct sk_buff *beacon); +int lbtf_beacon_ctrl(struct lbtf_private *priv, bool beacon_enable, + int beacon_int); + + +int lbtf_process_rx_command(struct lbtf_private *priv); +void lbtf_complete_command(struct lbtf_private *priv, struct cmd_ctrl_node *cmd, + int result); +void lbtf_cmd_response_rx(struct lbtf_private *priv); + +/* main.c */ +struct chan_freq_power *lbtf_get_region_cfp_table(u8 region, + int *cfp_no); +struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev); +int lbtf_remove_card(struct lbtf_private *priv); +int lbtf_start_card(struct lbtf_private *priv); +int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb); +void lbtf_send_tx_feedback(struct lbtf_private *priv, u8 retrycnt, u8 fail); +void lbtf_bcn_sent(struct lbtf_private *priv); + +/* support functions for cmd.c */ +/* lbtf_cmd() infers the size of the buffer to copy data back into, from + the size of the target of the pointer. Since the command to be sent + may often be smaller, that size is set in cmd->size by the caller.*/ +#define lbtf_cmd(priv, cmdnr, cmd, cb, cb_arg) ({ \ + uint16_t __sz = le16_to_cpu((cmd)->hdr.size); \ + (cmd)->hdr.size = cpu_to_le16(sizeof(*(cmd))); \ + __lbtf_cmd(priv, cmdnr, &(cmd)->hdr, __sz, cb, cb_arg); \ +}) + +#define lbtf_cmd_with_response(priv, cmdnr, cmd) \ + lbtf_cmd(priv, cmdnr, cmd, lbtf_cmd_copyback, (unsigned long) (cmd)) + +void lbtf_cmd_async(struct lbtf_private *priv, uint16_t command, + struct cmd_header *in_cmd, int in_cmd_size); + +int __lbtf_cmd(struct lbtf_private *priv, uint16_t command, + struct cmd_header *in_cmd, int in_cmd_size, + int (*callback)(struct lbtf_private *, unsigned long, + struct cmd_header *), + unsigned long callback_arg); + +int lbtf_cmd_copyback(struct lbtf_private *priv, unsigned long extra, + struct cmd_header *resp); |