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/arch/um/include/shared/net_kern.h

http://github.com/mirrors/linux
C Header | 71 lines | 56 code | 11 blank | 4 comment | 0 complexity | 32040da3025559a8bc5de80fe252da38 MD5 | raw file
 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (C) 2002 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 4 */
 5
 6#ifndef __UM_NET_KERN_H
 7#define __UM_NET_KERN_H
 8
 9#include <linux/netdevice.h>
10#include <linux/platform_device.h>
11#include <linux/skbuff.h>
12#include <linux/socket.h>
13#include <linux/list.h>
14#include <linux/workqueue.h>
15
16struct uml_net {
17	struct list_head list;
18	struct net_device *dev;
19	struct platform_device pdev;
20	int index;
21};
22
23struct uml_net_private {
24	struct list_head list;
25	spinlock_t lock;
26	struct net_device *dev;
27	struct timer_list tl;
28
29	struct work_struct work;
30	int fd;
31	unsigned char mac[ETH_ALEN];
32	int max_packet;
33	unsigned short (*protocol)(struct sk_buff *);
34	int (*open)(void *);
35	void (*close)(int, void *);
36	void (*remove)(void *);
37	int (*read)(int, struct sk_buff *skb, struct uml_net_private *);
38	int (*write)(int, struct sk_buff *skb, struct uml_net_private *);
39
40	void (*add_address)(unsigned char *, unsigned char *, void *);
41	void (*delete_address)(unsigned char *, unsigned char *, void *);
42	char user[0];
43};
44
45struct net_kern_info {
46	void (*init)(struct net_device *, void *);
47	unsigned short (*protocol)(struct sk_buff *);
48	int (*read)(int, struct sk_buff *skb, struct uml_net_private *);
49	int (*write)(int, struct sk_buff *skb, struct uml_net_private *);
50};
51
52struct transport {
53	struct list_head list;
54	const char *name;
55	int (* const setup)(char *, char **, void *);
56	const struct net_user_info *user;
57	const struct net_kern_info *kern;
58	const int private_size;
59	const int setup_size;
60};
61
62extern struct net_device *ether_init(int);
63extern unsigned short ether_protocol(struct sk_buff *);
64extern int tap_setup_common(char *str, char *type, char **dev_name,
65			    char **mac_out, char **gate_addr);
66extern void register_transport(struct transport *new);
67extern unsigned short eth_protocol(struct sk_buff *skb);
68extern void uml_net_setup_etheraddr(struct net_device *dev, char *str);
69
70
71#endif