1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2002 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef __UM_NET_KERN_H 7*4882a593Smuzhiyun #define __UM_NET_KERN_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/netdevice.h> 10*4882a593Smuzhiyun #include <linux/platform_device.h> 11*4882a593Smuzhiyun #include <linux/skbuff.h> 12*4882a593Smuzhiyun #include <linux/socket.h> 13*4882a593Smuzhiyun #include <linux/list.h> 14*4882a593Smuzhiyun #include <linux/workqueue.h> 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun struct uml_net { 17*4882a593Smuzhiyun struct list_head list; 18*4882a593Smuzhiyun struct net_device *dev; 19*4882a593Smuzhiyun struct platform_device pdev; 20*4882a593Smuzhiyun int index; 21*4882a593Smuzhiyun }; 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun struct uml_net_private { 24*4882a593Smuzhiyun struct list_head list; 25*4882a593Smuzhiyun spinlock_t lock; 26*4882a593Smuzhiyun struct net_device *dev; 27*4882a593Smuzhiyun struct timer_list tl; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun struct work_struct work; 30*4882a593Smuzhiyun int fd; 31*4882a593Smuzhiyun unsigned char mac[ETH_ALEN]; 32*4882a593Smuzhiyun int max_packet; 33*4882a593Smuzhiyun unsigned short (*protocol)(struct sk_buff *); 34*4882a593Smuzhiyun int (*open)(void *); 35*4882a593Smuzhiyun void (*close)(int, void *); 36*4882a593Smuzhiyun void (*remove)(void *); 37*4882a593Smuzhiyun int (*read)(int, struct sk_buff *skb, struct uml_net_private *); 38*4882a593Smuzhiyun int (*write)(int, struct sk_buff *skb, struct uml_net_private *); 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun void (*add_address)(unsigned char *, unsigned char *, void *); 41*4882a593Smuzhiyun void (*delete_address)(unsigned char *, unsigned char *, void *); 42*4882a593Smuzhiyun char user[0]; 43*4882a593Smuzhiyun }; 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun struct net_kern_info { 46*4882a593Smuzhiyun void (*init)(struct net_device *, void *); 47*4882a593Smuzhiyun unsigned short (*protocol)(struct sk_buff *); 48*4882a593Smuzhiyun int (*read)(int, struct sk_buff *skb, struct uml_net_private *); 49*4882a593Smuzhiyun int (*write)(int, struct sk_buff *skb, struct uml_net_private *); 50*4882a593Smuzhiyun }; 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun struct transport { 53*4882a593Smuzhiyun struct list_head list; 54*4882a593Smuzhiyun const char *name; 55*4882a593Smuzhiyun int (* const setup)(char *, char **, void *); 56*4882a593Smuzhiyun const struct net_user_info *user; 57*4882a593Smuzhiyun const struct net_kern_info *kern; 58*4882a593Smuzhiyun const int private_size; 59*4882a593Smuzhiyun const int setup_size; 60*4882a593Smuzhiyun }; 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun extern struct net_device *ether_init(int); 63*4882a593Smuzhiyun extern unsigned short ether_protocol(struct sk_buff *); 64*4882a593Smuzhiyun extern int tap_setup_common(char *str, char *type, char **dev_name, 65*4882a593Smuzhiyun char **mac_out, char **gate_addr); 66*4882a593Smuzhiyun extern void register_transport(struct transport *new); 67*4882a593Smuzhiyun extern unsigned short eth_protocol(struct sk_buff *skb); 68*4882a593Smuzhiyun extern void uml_net_setup_etheraddr(struct net_device *dev, char *str); 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun #endif 72