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
  15 struct uml_net {
  16         struct list_head list;
  17         struct net_device *dev;
  18         struct platform_device pdev;
  19         int index;
  20         unsigned char mac[ETH_ALEN];
  21         int have_mac;
  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         int fd;
  31         unsigned char mac[ETH_ALEN];
  32         int have_mac;
  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         int user[1];
  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         char *name;
  56         int (*setup)(char *, char **, void *);
  57         struct net_user_info *user;
  58         struct net_kern_info *kern;
  59         int private_size;
  60         int setup_size;
  61 };
  62
  63 extern struct net_device *ether_init(int);
  64 extern unsigned short ether_protocol(struct sk_buff *);
  65 extern int setup_etheraddr(char *str, unsigned char *addr);
  66 extern struct sk_buff *ether_adjust_skb(struct sk_buff *skb, int extra);
  67 extern int tap_setup_common(char *str, char *type, char **dev_name,
  68                             char **mac_out, char **gate_addr);
  69 extern void register_transport(struct transport *new);
  70 extern unsigned short eth_protocol(struct sk_buff *skb);
  71
  72 #endif
  73
  74 /*
  75  * Overrides for Emacs so that we follow Linus's tabbing style.
  76  * Emacs will notice this stuff at the end of the file and automatically
  77  * adjust the settings for this buffer only.  This must remain at the end
  78  * of the file.
  79  * ---------------------------------------------------------------------------
  80  * Local variables:
  81  * c-file-style: "linux"
  82  * End:
  83  */