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/skbuff.h"
  11 #include "linux/socket.h"
  12 #include "linux/list.h"
  13
  14 struct uml_net {
  15         struct list_head list;
  16         struct net_device *dev;
  17         struct platform_device pdev;
  18         int index;
  19         unsigned char mac[ETH_ALEN];
  20         int have_mac;
  21 };
  22
  23 struct uml_net_private {
  24         struct list_head list;
  25         spinlock_t lock;
  26         struct net_device *dev;
  27         struct timer_list tl;
  28         struct net_device_stats stats;
  29         int fd;
  30         unsigned char mac[ETH_ALEN];
  31         int have_mac;
  32         unsigned short (*protocol)(struct sk_buff *);
  33         int (*open)(void *);
  34         void (*close)(int, void *);
  35         void (*remove)(void *);
  36         int (*read)(int, struct sk_buff **skb, struct uml_net_private *);
  37         int (*write)(int, struct sk_buff **skb, struct uml_net_private *);
  38
  39         void (*add_address)(unsigned char *, unsigned char *, void *);
  40         void (*delete_address)(unsigned char *, unsigned char *, void *);
  41         int (*set_mtu)(int mtu, void *);
  42         int user[1];
  43 };
  44
  45 struct 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
  52 struct transport {
  53         struct list_head list;
  54         char *name;
  55         int (*setup)(char *, char **, void *);
  56         struct net_user_info *user;
  57         struct net_kern_info *kern;
  58         int private_size;
  59         int setup_size;
  60 };
  61
  62 extern struct net_device *ether_init(int);
  63 extern unsigned short ether_protocol(struct sk_buff *);
  64 extern int setup_etheraddr(char *str, unsigned char *addr);
  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
  72
  73 /*
  74  * Overrides for Emacs so that we follow Linus's tabbing style.
  75  * Emacs will notice this stuff at the end of the file and automatically
  76  * adjust the settings for this buffer only.  This must remain at the end
  77  * of the file.
  78  * ---------------------------------------------------------------------------
  79  * Local variables:
  80  * c-file-style: "linux"
  81  * End:
  82  */