cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/wireless/intersil/p54/p54.h

/*
 * Shared defines for all mac80211 Prism54 code
 *
 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
 *
 * Based on the islsm (softmac prism54) driver, which is:
 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef P54_H

#define P54_H

#ifdef CONFIG_P54_LEDS
#include <linux/leds.h>
#endif /* CONFIG_P54_LEDS */


#define ISL38XX_DEV_FIRMWARE_ADDR 0x20000


#define BR_CODE_MIN			0x80000000

#define BR_CODE_COMPONENT_ID		0x80000001

#define BR_CODE_COMPONENT_VERSION	0x80000002

#define BR_CODE_DEPENDENT_IF		0x80000003

#define BR_CODE_EXPOSED_IF		0x80000004

#define BR_CODE_DESCR			0x80000101

#define BR_CODE_MAX			0x8FFFFFFF

#define BR_CODE_END_OF_BRA		0xFF0000FF

#define LEGACY_BR_CODE_END_OF_BRA	0xFFFFFFFF


struct bootrec {
	
__le32 code;
	
__le32 len;
	
u32 data[10];
} 
__packed;

/* Interface role definitions */

#define BR_INTERFACE_ROLE_SERVER	0x0000

#define BR_INTERFACE_ROLE_CLIENT	0x8000


#define BR_DESC_PRIV_CAP_WEP		BIT(0)

#define BR_DESC_PRIV_CAP_TKIP		BIT(1)

#define BR_DESC_PRIV_CAP_MICHAEL	BIT(2)

#define BR_DESC_PRIV_CAP_CCX_CP		BIT(3)

#define BR_DESC_PRIV_CAP_CCX_MIC	BIT(4)

#define BR_DESC_PRIV_CAP_AESCCMP	BIT(5)


struct bootrec_desc {
	
__le16 modes;
	
__le16 flags;
	
__le32 rx_start;
	
__le32 rx_end;
	
u8 headroom;
	
u8 tailroom;
	
u8 tx_queues;
	
u8 tx_depth;
	
u8 privacy_caps;
	
u8 rx_keycache_size;
	
u8 time_size;
	
u8 padding;
	
u8 rates[16];
	
u8 padding2[4];
	
__le16 rx_mtu;
} 
__packed;


#define FW_FMAC 0x464d4143

#define FW_LM86 0x4c4d3836

#define FW_LM87 0x4c4d3837

#define FW_LM20 0x4c4d3230


struct bootrec_comp_id {
	
__le32 fw_variant;
} 
__packed;


struct bootrec_comp_ver {
	
char fw_version[24];
} 
__packed;


struct bootrec_end {
	
__le16 crc;
	
u8 padding[2];
	
u8 md5[16];
} 
__packed;

/* provide 16 bytes for the transport back-end */

#define P54_TX_INFO_DATA_SIZE		16

/* stored in ieee80211_tx_info's rate_driver_data */

struct p54_tx_info {
	
u32 start_addr;
	
u32 end_addr;
	union {
		
void *data[P54_TX_INFO_DATA_SIZE / sizeof(void *)];
		struct {
			
u32 extra_len;
		};
	};
};


#define P54_MAX_CTRL_FRAME_LEN		0x1000


#define P54_SET_QUEUE(queue, ai_fs, cw_min, cw_max, _txop)	\
do {                                                            \
        queue.aifs = cpu_to_le16(ai_fs);                        \
        queue.cwmin = cpu_to_le16(cw_min);                      \
        queue.cwmax = cpu_to_le16(cw_max);                      \
        queue.txop = cpu_to_le16(_txop);                        \
} while (0)


struct p54_edcf_queue_param {
	
__le16 aifs;
	
__le16 cwmin;
	
__le16 cwmax;
	
__le16 txop;
} 
__packed;


struct p54_rssi_db_entry {
	
u16 freq;
	
s16 mul;
	
s16 add;
	
s16 longbow_unkn;
	
s16 longbow_unk2;
};


struct p54_cal_database {
	
size_t entries;
	
size_t entry_size;
	
size_t offset;
	
size_t len;
	
u8 data[0];
};


#define EEPROM_READBACK_LEN 0x3fc


enum fw_state {
	
FW_STATE_OFF,
	
FW_STATE_BOOTING,
	
FW_STATE_READY,
	
FW_STATE_RESET,
	
FW_STATE_RESETTING,
};

#ifdef CONFIG_P54_LEDS


#define P54_LED_MAX_NAME_LEN 31


struct p54_led_dev {
	
struct ieee80211_hw *hw_dev;
	
struct led_classdev led_dev;
	
char name[P54_LED_MAX_NAME_LEN + 1];

	
unsigned int toggled;
	
unsigned int index;
	
unsigned int registered;
};

#endif /* CONFIG_P54_LEDS */


struct p54_tx_queue_stats {
	
unsigned int len;
	
unsigned int limit;
	
unsigned int count;
};


struct p54_common {
	
struct ieee80211_hw *hw;
	
struct ieee80211_vif *vif;
	
void (*tx)(struct ieee80211_hw *dev, struct sk_buff *skb);
	
int (*open)(struct ieee80211_hw *dev);
	
void (*stop)(struct ieee80211_hw *dev);
	
struct sk_buff_head tx_pending;
	
struct sk_buff_head tx_queue;
	
struct mutex conf_mutex;
	
bool registered;

	/* memory management (as seen by the firmware) */
	
u32 rx_start;
	
u32 rx_end;
	
u16 rx_mtu;
	
u8 headroom;
	
u8 tailroom;

	/* firmware/hardware info */
	
unsigned int tx_hdr_len;
	
unsigned int fw_var;
	
unsigned int fw_interface;
	
u8 version;

	/* (e)DCF / QOS state */
	
bool use_short_slot;
	
spinlock_t tx_stats_lock;
	
struct p54_tx_queue_stats tx_stats[8];
	
struct p54_edcf_queue_param qos_params[8];

	/* Radio data */
	
u16 rxhw;
	
u8 rx_diversity_mask;
	
u8 tx_diversity_mask;
	
unsigned int output_power;
	
struct p54_rssi_db_entry *cur_rssi;
	
struct ieee80211_channel *curchan;
	
struct survey_info *survey;
	
unsigned int chan_num;
	
struct completion stat_comp;
	
bool update_stats;
	struct {
		
unsigned int timestamp;
		
unsigned int cached_cca;
		
unsigned int cached_tx;
		
unsigned int cached_rssi;
		
u64 active;
		
u64 cca;
		
u64 tx;
		
u64 rssi;
	} 
survey_raw;

	
int noise;
	/* calibration, output power limit and rssi<->dBm conversation data */
	
struct pda_iq_autocal_entry *iq_autocal;
	
unsigned int iq_autocal_len;
	
struct p54_cal_database *curve_data;
	
struct p54_cal_database *output_limit;
	
struct p54_cal_database *rssi_db;
	
struct ieee80211_supported_band *band_table[NUM_NL80211_BANDS];

	/* BBP/MAC state */
	
u8 mac_addr[ETH_ALEN];
	
u8 bssid[ETH_ALEN];
	
u8 mc_maclist[4][ETH_ALEN];
	
u16 wakeup_timer;
	
unsigned int filter_flags;
	
int mc_maclist_num;
	
int mode;
	

u32 tsf_low32, tsf_high32;
	
u32 basic_rate_mask;
	
u16 aid;
	
u8 coverage_class;
	
bool phy_idle;
	
bool phy_ps;
	
bool powersave_override;
	
__le32 beacon_req_id;
	
struct completion beacon_comp;

	/* cryptographic engine information */
	
u8 privacy_caps;
	
u8 rx_keycache_size;
	
unsigned long *used_rxkeys;

	/* LED management */
#ifdef CONFIG_P54_LEDS
	
struct p54_led_dev leds[4];
	
struct delayed_work led_work;
#endif /* CONFIG_P54_LEDS */
	
u16 softled_state;		/* bit field of glowing LEDs */

	/* statistics */
	
struct ieee80211_low_level_stats stats;
	
struct delayed_work work;

	/* eeprom handling */
	
void *eeprom;
	
struct completion eeprom_comp;
	
struct mutex eeprom_mutex;
};

/* interfaces for the drivers */
int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb);
void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb);
int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw);
int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len);
int p54_read_eeprom(struct ieee80211_hw *dev);

struct ieee80211_hw *p54_init_common(size_t priv_data_len);
int p54_register_common(struct ieee80211_hw *dev, struct device *pdev);
void p54_free_common(struct ieee80211_hw *dev);

void p54_unregister_common(struct ieee80211_hw *dev);

#endif /* P54_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Christian Lamparter71280.00%3581.40%
Michael Wu14916.74%12.33%
Kalle Valo182.02%12.33%
Johannes Berg70.79%36.98%
John W. Linville30.34%24.65%
Larry Finger10.11%12.33%
Total890100.00%43100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.