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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/um/include/shared/net_kern.h
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/*

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 * Copyright (C) 2002 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)

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 * Licensed under the GPL

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 */

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#ifndef __UM_NET_KERN_H

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#define __UM_NET_KERN_H

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#include <linux/netdevice.h>

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#include <linux/platform_device.h>

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#include <linux/skbuff.h>

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#include <linux/socket.h>

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#include <linux/list.h>

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#include <linux/workqueue.h>

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struct uml_net {

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	struct list_head list;

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	struct net_device *dev;

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	struct platform_device pdev;

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	int index;

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	unsigned char mac[ETH_ALEN];

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};

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struct uml_net_private {

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	struct list_head list;

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	spinlock_t lock;

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	struct net_device *dev;

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	struct timer_list tl;

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	struct work_struct work;

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	int fd;

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	unsigned char mac[ETH_ALEN];

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	int max_packet;

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	unsigned short (*protocol)(struct sk_buff *);

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	int (*open)(void *);

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	void (*close)(int, void *);

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	void (*remove)(void *);

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	int (*read)(int, struct sk_buff *skb, struct uml_net_private *);

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	int (*write)(int, struct sk_buff *skb, struct uml_net_private *);

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	void (*add_address)(unsigned char *, unsigned char *, void *);

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	void (*delete_address)(unsigned char *, unsigned char *, void *);

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	char user[0];

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};

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struct net_kern_info {

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	void (*init)(struct net_device *, void *);

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	unsigned short (*protocol)(struct sk_buff *);

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	int (*read)(int, struct sk_buff *skb, struct uml_net_private *);

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	int (*write)(int, struct sk_buff *skb, struct uml_net_private *);

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};

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struct transport {

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	struct list_head list;

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	const char *name;

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	int (* const setup)(char *, char **, void *);

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	const struct net_user_info *user;

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	const struct net_kern_info *kern;

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	const int private_size;

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	const int setup_size;

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};

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extern struct net_device *ether_init(int);

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extern unsigned short ether_protocol(struct sk_buff *);

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extern int tap_setup_common(char *str, char *type, char **dev_name,

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			    char **mac_out, char **gate_addr);

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extern void register_transport(struct transport *new);

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extern unsigned short eth_protocol(struct sk_buff *skb);

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#endif

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