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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __UM_NET_KERN_H
#define __UM_NET_KERN_H
#include <linux/netdevice.h>
#include <linux/platform_device.h>
#include <linux/skbuff.h>
#include <linux/socket.h>
#include <linux/list.h>
#include <linux/workqueue.h>
struct uml_net {
struct list_head list;
struct net_device *dev;
struct platform_device pdev;
int index;
};
struct uml_net_private {
struct list_head list;
spinlock_t lock;
struct net_device *dev;
struct timer_list tl;
struct work_struct work;
int fd;
unsigned char mac[ETH_ALEN];
int max_packet;
unsigned short (*protocol)(struct sk_buff *);
int (*open)(void *);
void (*close)(int, void *);
void (*remove)(void *);
int (*read)(int, struct sk_buff *skb, struct uml_net_private *);
int (*write)(int, struct sk_buff *skb, struct uml_net_private *);
void (*add_address)(unsigned char *, unsigned char *, void *);
void (*delete_address)(unsigned char *, unsigned char *, void *);
char user[0];
};
struct net_kern_info {
void (*init)(struct net_device *, void *);
unsigned short (*protocol)(struct sk_buff *);
int (*read)(int, struct sk_buff *skb, struct uml_net_private *);
int (*write)(int, struct sk_buff *skb, struct uml_net_private *);
};
struct transport {
struct list_head list;
const char *name;
int (* const setup)(char *, char **, void *);
const struct net_user_info *user;
const struct net_kern_info *kern;
const int private_size;
const int setup_size;
};
extern int tap_setup_common(char *str, char *type, char **dev_name,
char **mac_out, char **gate_addr);
extern void register_transport(struct transport *new);
extern unsigned short eth_protocol(struct sk_buff *skb);
extern void uml_net_setup_etheraddr(struct net_device *dev, char *str);
#endif
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