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![Christian Lamparter](/assets/img/avatar_default.png)
The firmware keeps track of channel usage. This data can be used by the automatic channel selection to find the best channel. Survey data from wlan4 frequency: 5200 MHz [in use] noise: -91 dBm channel active time: 811909 ms channel busy time: 63395 ms channel transmit time: 59636 ms Survey data from wlan4 frequency: 5210 MHz noise: -91 dBm channel active time: 121 ms channel busy time: 119 ms channel transmit time: 0 ms Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
280 lines
6.2 KiB
C
280 lines
6.2 KiB
C
/*
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* Shared defines for all mac80211 Prism54 code
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*
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* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
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*
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* Based on the islsm (softmac prism54) driver, which is:
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* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef P54_H
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#define P54_H
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#ifdef CONFIG_P54_LEDS
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#include <linux/leds.h>
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#endif /* CONFIG_P54_LEDS */
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#define ISL38XX_DEV_FIRMWARE_ADDR 0x20000
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#define BR_CODE_MIN 0x80000000
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#define BR_CODE_COMPONENT_ID 0x80000001
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#define BR_CODE_COMPONENT_VERSION 0x80000002
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#define BR_CODE_DEPENDENT_IF 0x80000003
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#define BR_CODE_EXPOSED_IF 0x80000004
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#define BR_CODE_DESCR 0x80000101
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#define BR_CODE_MAX 0x8FFFFFFF
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#define BR_CODE_END_OF_BRA 0xFF0000FF
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#define LEGACY_BR_CODE_END_OF_BRA 0xFFFFFFFF
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struct bootrec {
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__le32 code;
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__le32 len;
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u32 data[10];
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} __packed;
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/* Interface role definitions */
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#define BR_INTERFACE_ROLE_SERVER 0x0000
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#define BR_INTERFACE_ROLE_CLIENT 0x8000
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#define BR_DESC_PRIV_CAP_WEP BIT(0)
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#define BR_DESC_PRIV_CAP_TKIP BIT(1)
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#define BR_DESC_PRIV_CAP_MICHAEL BIT(2)
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#define BR_DESC_PRIV_CAP_CCX_CP BIT(3)
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#define BR_DESC_PRIV_CAP_CCX_MIC BIT(4)
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#define BR_DESC_PRIV_CAP_AESCCMP BIT(5)
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struct bootrec_desc {
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__le16 modes;
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__le16 flags;
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__le32 rx_start;
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__le32 rx_end;
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u8 headroom;
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u8 tailroom;
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u8 tx_queues;
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u8 tx_depth;
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u8 privacy_caps;
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u8 rx_keycache_size;
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u8 time_size;
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u8 padding;
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u8 rates[16];
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u8 padding2[4];
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__le16 rx_mtu;
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} __packed;
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#define FW_FMAC 0x464d4143
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#define FW_LM86 0x4c4d3836
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#define FW_LM87 0x4c4d3837
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#define FW_LM20 0x4c4d3230
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struct bootrec_comp_id {
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__le32 fw_variant;
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} __packed;
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struct bootrec_comp_ver {
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char fw_version[24];
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} __packed;
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struct bootrec_end {
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__le16 crc;
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u8 padding[2];
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u8 md5[16];
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} __packed;
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/* provide 16 bytes for the transport back-end */
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#define P54_TX_INFO_DATA_SIZE 16
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/* stored in ieee80211_tx_info's rate_driver_data */
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struct p54_tx_info {
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u32 start_addr;
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u32 end_addr;
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union {
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void *data[P54_TX_INFO_DATA_SIZE / sizeof(void *)];
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struct {
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u32 extra_len;
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};
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};
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};
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#define P54_MAX_CTRL_FRAME_LEN 0x1000
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#define P54_SET_QUEUE(queue, ai_fs, cw_min, cw_max, _txop) \
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do { \
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queue.aifs = cpu_to_le16(ai_fs); \
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queue.cwmin = cpu_to_le16(cw_min); \
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queue.cwmax = cpu_to_le16(cw_max); \
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queue.txop = cpu_to_le16(_txop); \
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} while (0)
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struct p54_edcf_queue_param {
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__le16 aifs;
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__le16 cwmin;
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__le16 cwmax;
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__le16 txop;
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} __packed;
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struct p54_rssi_db_entry {
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u16 freq;
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s16 mul;
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s16 add;
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s16 longbow_unkn;
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s16 longbow_unk2;
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};
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struct p54_cal_database {
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size_t entries;
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size_t entry_size;
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size_t offset;
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size_t len;
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u8 data[0];
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};
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#define EEPROM_READBACK_LEN 0x3fc
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enum fw_state {
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FW_STATE_OFF,
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FW_STATE_BOOTING,
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FW_STATE_READY,
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FW_STATE_RESET,
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FW_STATE_RESETTING,
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};
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#ifdef CONFIG_P54_LEDS
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#define P54_LED_MAX_NAME_LEN 31
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struct p54_led_dev {
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struct ieee80211_hw *hw_dev;
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struct led_classdev led_dev;
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char name[P54_LED_MAX_NAME_LEN + 1];
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unsigned int toggled;
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unsigned int index;
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unsigned int registered;
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};
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#endif /* CONFIG_P54_LEDS */
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struct p54_tx_queue_stats {
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unsigned int len;
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unsigned int limit;
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unsigned int count;
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};
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struct p54_common {
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struct ieee80211_hw *hw;
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struct ieee80211_vif *vif;
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void (*tx)(struct ieee80211_hw *dev, struct sk_buff *skb);
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int (*open)(struct ieee80211_hw *dev);
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void (*stop)(struct ieee80211_hw *dev);
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struct sk_buff_head tx_pending;
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struct sk_buff_head tx_queue;
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struct mutex conf_mutex;
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/* memory management (as seen by the firmware) */
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u32 rx_start;
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u32 rx_end;
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u16 rx_mtu;
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u8 headroom;
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u8 tailroom;
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/* firmware/hardware info */
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unsigned int tx_hdr_len;
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unsigned int fw_var;
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unsigned int fw_interface;
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u8 version;
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/* (e)DCF / QOS state */
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bool use_short_slot;
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spinlock_t tx_stats_lock;
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struct p54_tx_queue_stats tx_stats[8];
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struct p54_edcf_queue_param qos_params[8];
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/* Radio data */
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u16 rxhw;
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u8 rx_diversity_mask;
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u8 tx_diversity_mask;
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unsigned int output_power;
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struct p54_rssi_db_entry *cur_rssi;
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struct ieee80211_channel *curchan;
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struct survey_info *survey;
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unsigned int chan_num;
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struct completion stat_comp;
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bool update_stats;
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struct {
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unsigned int timestamp;
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unsigned int cached_cca;
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unsigned int cached_tx;
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unsigned int cached_rssi;
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u64 active;
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u64 cca;
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u64 tx;
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u64 rssi;
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} survey_raw;
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int noise;
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/* calibration, output power limit and rssi<->dBm conversation data */
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struct pda_iq_autocal_entry *iq_autocal;
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unsigned int iq_autocal_len;
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struct p54_cal_database *curve_data;
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struct p54_cal_database *output_limit;
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struct p54_cal_database *rssi_db;
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struct ieee80211_supported_band *band_table[IEEE80211_NUM_BANDS];
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/* BBP/MAC state */
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u8 mac_addr[ETH_ALEN];
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u8 bssid[ETH_ALEN];
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u8 mc_maclist[4][ETH_ALEN];
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u16 wakeup_timer;
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unsigned int filter_flags;
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int mc_maclist_num;
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int mode;
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u32 tsf_low32, tsf_high32;
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u32 basic_rate_mask;
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u16 aid;
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u8 coverage_class;
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bool phy_idle;
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bool phy_ps;
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bool powersave_override;
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__le32 beacon_req_id;
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struct completion beacon_comp;
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/* cryptographic engine information */
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u8 privacy_caps;
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u8 rx_keycache_size;
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unsigned long *used_rxkeys;
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/* LED management */
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#ifdef CONFIG_P54_LEDS
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struct p54_led_dev leds[4];
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struct delayed_work led_work;
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#endif /* CONFIG_P54_LEDS */
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u16 softled_state; /* bit field of glowing LEDs */
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/* statistics */
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struct ieee80211_low_level_stats stats;
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struct delayed_work work;
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/* eeprom handling */
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void *eeprom;
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struct completion eeprom_comp;
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struct mutex eeprom_mutex;
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};
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/* interfaces for the drivers */
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int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb);
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void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb);
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int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw);
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int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len);
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int p54_read_eeprom(struct ieee80211_hw *dev);
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struct ieee80211_hw *p54_init_common(size_t priv_data_len);
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int p54_register_common(struct ieee80211_hw *dev, struct device *pdev);
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void p54_free_common(struct ieee80211_hw *dev);
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void p54_unregister_common(struct ieee80211_hw *dev);
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#endif /* P54_H */
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