cregit-Linux how code gets into the kernel

Release 4.7 drivers/net/wireless/marvell/libertas/if_usb.h

#ifndef _LBS_IF_USB_H

#define _LBS_IF_USB_H

#include <linux/wait.h>
#include <linux/timer.h>

struct lbs_private;

/*
 * This file contains definition for USB interface.
 */

#define CMD_TYPE_REQUEST		0xF00DFACE

#define CMD_TYPE_DATA			0xBEADC0DE

#define CMD_TYPE_INDICATION		0xBEEFFACE


#define IPFIELD_ALIGN_OFFSET		2


#define BOOT_CMD_FW_BY_USB		0x01

#define BOOT_CMD_FW_IN_EEPROM		0x02

#define BOOT_CMD_UPDATE_BOOT2		0x03

#define BOOT_CMD_UPDATE_FW		0x04

#define BOOT_CMD_MAGIC_NUMBER		0x4C56524D   
/* LVRM */


struct bootcmd
{
	
__le32	magic;
	
uint8_t	cmd;
	
uint8_t	pad[11];
};


#define BOOT_CMD_RESP_OK		0x0001

#define BOOT_CMD_RESP_FAIL		0x0000

#define BOOT_CMD_RESP_NOT_SUPPORTED	0x0002


struct bootcmdresp
{
	
__le32	magic;
	
uint8_t	cmd;
	
uint8_t	result;
	
uint8_t	pad[2];
};

/* USB card description structure*/

struct if_usb_card {
	
struct usb_device *udev;
	
uint32_t model;  /* MODEL_* */
	

struct urb *rx_urb, *tx_urb;
	
struct lbs_private *priv;

	
struct sk_buff *rx_skb;

	
uint8_t ep_in;
	
uint8_t ep_out;

	/* bootcmdresp == 0 means command is pending
         * bootcmdresp < 0 means error
         * bootcmdresp > 0 is a BOOT_CMD_RESP_* from firmware
         */
	
int8_t bootcmdresp;

	
int ep_in_size;

	
void *ep_out_buf;
	
int ep_out_size;

	
const struct firmware *fw;
	
struct timer_list fw_timeout;
	
wait_queue_head_t fw_wq;
	
uint32_t fwseqnum;
	
uint32_t totalbytes;
	
uint32_t fwlastblksent;
	
uint8_t CRC_OK;
	
uint8_t fwdnldover;
	
uint8_t fwfinalblk;
	
uint8_t surprise_removed;

	
__le16 boot2_version;
};

/* fwheader */

struct fwheader {
	
__le32 dnldcmd;
	
__le32 baseaddr;
	
__le32 datalength;
	
__le32 CRC;
};


#define FW_MAX_DATA_BLK_SIZE	600
/* FWData */

struct fwdata {
	
struct fwheader hdr;
	
__le32 seqnum;
	
uint8_t data[0];
};

/* fwsyncheader */

struct fwsyncheader {
	
__le32 cmd;
	
__le32 seqnum;
};


#define FW_HAS_DATA_TO_RECV		0x00000001

#define FW_HAS_LAST_BLOCK		0x00000004


#endif

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PersonTokensPropCommitsCommitProp
marcelo tosattimarcelo tosatti14858.04%18.33%
david woodhousedavid woodhouse7429.02%433.33%
dan williamsdan williams124.71%216.67%
holger schurigholger schurig114.31%325.00%
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randy dunlaprandy dunlap51.96%18.33%
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