include/linux/etherdevice.h

   1 /*
   2  * INET         An implementation of the TCP/IP protocol suite for the LINUX
   3  *              operating system.  NET  is implemented using the  BSD Socket
   4  *              interface as the means of communication with the user level.
   5  *
   6  *              Definitions for the Ethernet handlers.
   7  *
   8  * Version:     @(#)eth.h       1.0.4   05/13/93
   9  *
  10  * Authors:     Ross Biro, <bir7@leland.Stanford.Edu>
  11  *              Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
  12  *
  13  *              Relocated to include/linux where it belongs by Alan Cox
  14  *                                                      <gw4pts@gw4pts.ampr.org>
  15  *
  16  *              This program is free software; you can redistribute it and/or
  17  *              modify it under the terms of the GNU General Public License
  18  *              as published by the Free Software Foundation; either version
  19  *              2 of the License, or (at your option) any later version.
  20  *
  21  *      WARNING: This move may well be temporary. This file will get merged with others RSN.
  22  *
  23  */
  24 #ifndef _LINUX_ETHERDEVICE_H
  25 #define _LINUX_ETHERDEVICE_H
  26
  27 #include <linux/config.h>
  28 #include <linux/if_ether.h>
  29
  30 #ifdef __KERNEL__
  31 extern int              eth_header(struct sk_buff *skb, struct net_device *dev,
  32                                    unsigned short type, void *daddr,
  33                                    void *saddr, unsigned len);
  34 extern int              eth_rebuild_header(struct sk_buff *skb);
  35 extern unsigned short   eth_type_trans(struct sk_buff *skb, struct net_device *dev);
  36 extern void             eth_header_cache_update(struct hh_cache *hh, struct net_device *dev,
  37                                                 unsigned char * haddr);
  38 extern int              eth_header_cache(struct neighbour *neigh,
  39                                          struct hh_cache *hh);
  40 extern int              eth_header_parse(struct sk_buff *skb,
  41                                          unsigned char *haddr);
  42 extern struct net_device        * init_etherdev(struct net_device *, int);
  43
  44 #ifdef CONFIG_IP_ROUTER
  45 static __inline__ void eth_copy_and_sum (struct sk_buff *dest, unsigned char *src, int len, int base)
  46 {
  47     memcpy (dest->data, src, len);
  48 }
  49 #else
  50 extern void             eth_copy_and_sum(struct sk_buff *dest,
  51                                 unsigned char *src, int length, int base);
  52 #endif
  53
  54 #endif
  55
  56 #endif  /* _LINUX_ETHERDEVICE_H */