/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2002 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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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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};
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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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extern void uml_net_setup_etheraddr(struct net_device *dev, char *str);
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#endif
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