LXR linux/arch/um/include/shared/net

   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 int tap_setup_common(char *str, char *type, char **dev_name,
  63                            char **mac_out, char **gate_addr);
  64extern void register_transport(struct transport *new);
  65extern unsigned short eth_protocol(struct sk_buff *skb);
  66extern void uml_net_setup_etheraddr(struct net_device *dev, char *str);
  67
  68
  69#endif
  70