Release 4.7 drivers/usb/gadget/function/rndis.h

/*
 * RNDIS        Definitions for Remote NDIS
 *
 * Authors:     Benedikt Spranger, Pengutronix
 *              Robert Schwebel, Pengutronix
 *
 *              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.
 *
 *              This software was originally developed in conformance with
 *              Microsoft's Remote NDIS Specification License Agreement.
 */

#ifndef _LINUX_RNDIS_H

#define _LINUX_RNDIS_H

#include <linux/rndis.h>
#include "u_ether.h"
#include "ndis.h"


#define RNDIS_MAXIMUM_FRAME_SIZE	1518

#define RNDIS_MAX_TOTAL_SIZE		1558


typedef struct rndis_init_msg_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	RequestID;
	
__le32	MajorVersion;
	
__le32	MinorVersion;
	
__le32	MaxTransferSize;
} 
rndis_init_msg_type;


typedef struct rndis_init_cmplt_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	RequestID;
	
__le32	Status;
	
__le32	MajorVersion;
	
__le32	MinorVersion;
	
__le32	DeviceFlags;
	
__le32	Medium;
	
__le32	MaxPacketsPerTransfer;
	
__le32	MaxTransferSize;
	
__le32	PacketAlignmentFactor;
	
__le32	AFListOffset;
	
__le32	AFListSize;
} 
rndis_init_cmplt_type;


typedef struct rndis_halt_msg_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	RequestID;
} 
rndis_halt_msg_type;


typedef struct rndis_query_msg_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	RequestID;
	
__le32	OID;
	
__le32	InformationBufferLength;
	
__le32	InformationBufferOffset;
	
__le32	DeviceVcHandle;
} 
rndis_query_msg_type;


typedef struct rndis_query_cmplt_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	RequestID;
	
__le32	Status;
	
__le32	InformationBufferLength;
	
__le32	InformationBufferOffset;
} 
rndis_query_cmplt_type;


typedef struct rndis_set_msg_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	RequestID;
	
__le32	OID;
	
__le32	InformationBufferLength;
	
__le32	InformationBufferOffset;
	
__le32	DeviceVcHandle;
} 
rndis_set_msg_type;


typedef struct rndis_set_cmplt_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	RequestID;
	
__le32	Status;
} 
rndis_set_cmplt_type;


typedef struct rndis_reset_msg_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	Reserved;
} 
rndis_reset_msg_type;


typedef struct rndis_reset_cmplt_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	Status;
	
__le32	AddressingReset;
} 
rndis_reset_cmplt_type;


typedef struct rndis_indicate_status_msg_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	Status;
	
__le32	StatusBufferLength;
	
__le32	StatusBufferOffset;
} 
rndis_indicate_status_msg_type;


typedef struct rndis_keepalive_msg_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	RequestID;
} 
rndis_keepalive_msg_type;


typedef struct rndis_keepalive_cmplt_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	RequestID;
	
__le32	Status;
} 
rndis_keepalive_cmplt_type;


struct rndis_packet_msg_type
{
	
__le32	MessageType;
	
__le32	MessageLength;
	
__le32	DataOffset;
	
__le32	DataLength;
	
__le32	OOBDataOffset;
	
__le32	OOBDataLength;
	
__le32	NumOOBDataElements;
	
__le32	PerPacketInfoOffset;
	
__le32	PerPacketInfoLength;
	
__le32	VcHandle;
	
__le32	Reserved;
} __attribute__ ((packed));


struct rndis_config_parameter
{
	
__le32	ParameterNameOffset;
	
__le32	ParameterNameLength;
	
__le32	ParameterType;
	
__le32	ParameterValueOffset;
	
__le32	ParameterValueLength;
};

/* implementation specific */

enum rndis_state
{
	
RNDIS_UNINITIALIZED,
	
RNDIS_INITIALIZED,
	
RNDIS_DATA_INITIALIZED,
};


typedef struct rndis_resp_t
{
	
struct list_head	list;
	
u8			*buf;
	
u32			length;
	
int			send;
} 
rndis_resp_t;


typedef struct rndis_params
{
	
int			confignr;
	
u8			used;
	
u16			saved_filter;
	
enum rndis_state	state;
	
u32			medium;
	
u32			speed;
	
u32			media_state;

	
const u8		*host_mac;
	
u16			*filter;
	
struct net_device	*dev;

	
u32			vendorID;
	
const char		*vendorDescr;
	
void			(*resp_avail)(void *v);
	
void			*v;
	
struct list_head	resp_queue;
} 
rndis_params;

/* RNDIS Message parser and other useless functions */
int  rndis_msg_parser(struct rndis_params *params, u8 *buf);
struct rndis_params *rndis_register(void (*resp_avail)(void *v), void *v);
void rndis_deregister(struct rndis_params *params);
int  rndis_set_param_dev(struct rndis_params *params, struct net_device *dev,
			 u16 *cdc_filter);
int  rndis_set_param_vendor(struct rndis_params *params, u32 vendorID,
			    const char *vendorDescr);
int  rndis_set_param_medium(struct rndis_params *params, u32 medium,
			     u32 speed);
void rndis_add_hdr(struct sk_buff *skb);
int rndis_rm_hdr(struct gether *port, struct sk_buff *skb,
			struct sk_buff_head *list);
u8   *rndis_get_next_response(struct rndis_params *params, u32 *length);
void rndis_free_response(struct rndis_params *params, u8 *buf);

void rndis_uninit(struct rndis_params *params);
int  rndis_signal_connect(struct rndis_params *params);
int  rndis_signal_disconnect(struct rndis_params *params);
int  rndis_state(struct rndis_params *params);
extern void rndis_set_host_mac(struct rndis_params *params, const u8 *addr);

#endif  /* _LINUX_RNDIS_H */
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Directory: drivers/usb/gadget/function

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