arch/um/include/net_kern.h

   1 /*
   2  * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   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
  16 struct uml_net {
  17         struct list_head list;
  18         struct net_device *dev;
  19         struct platform_device pdev;
  20         int index;
  21         unsigned char mac[ETH_ALEN];
  22 };
  23
  24 struct uml_net_private {
  25         struct list_head list;
  26         spinlock_t lock;
  27         struct net_device *dev;
  28         struct timer_list tl;
  29         struct net_device_stats stats;
  30         struct work_struct work;
  31         int fd;
  32         unsigned char mac[ETH_ALEN];
  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         int (*set_mtu)(int mtu, void *);
  43         char user[0];
  44 };
  45
  46 struct net_kern_info {
  47         void (*init)(struct net_device *, void *);
  48         unsigned short (*protocol)(struct sk_buff *);
  49         int (*read)(int, struct sk_buff **skb, struct uml_net_private *);
  50         int (*write)(int, struct sk_buff **skb, struct uml_net_private *);
  51 };
  52
  53 struct transport {
  54         struct list_head list;
  55         const char *name;
  56         int (* const setup)(char *, char **, void *);
  57         const struct net_user_info *user;
  58         const struct net_kern_info *kern;
  59         const int private_size;
  60         const int setup_size;
  61 };
  62
  63 extern struct net_device *ether_init(int);
  64 extern unsigned short ether_protocol(struct sk_buff *);
  65 extern struct sk_buff *ether_adjust_skb(struct sk_buff *skb, int extra);
  66 extern int tap_setup_common(char *str, char *type, char **dev_name,
  67                             char **mac_out, char **gate_addr);
  68 extern void register_transport(struct transport *new);
  69 extern unsigned short eth_protocol(struct sk_buff *skb);
  70
  71 #endif