| /* |
| * INET An implementation of the TCP/IP protocol suite for the LINUX |
| * operating system. NET is implemented using the BSD Socket |
| * interface as the means of communication with the user level. |
| * |
| * Definitions for the Ethernet handlers. |
| * |
| * Version: @(#)eth.h 1.0.4 05/13/93 |
| * |
| * Authors: Ross Biro, <bir7@leland.Stanford.Edu> |
| * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
| * |
| * Relocated to include/linux where it belongs by Alan Cox |
| * <gw4pts@gw4pts.ampr.org> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| * |
| * WARNING: This move may well be temporary. This file will get merged with others RSN. |
| * |
| */ |
| #ifndef _LINUX_ETHERDEVICE_H |
| #define _LINUX_ETHERDEVICE_H |
| |
| #include <linux/if_ether.h> |
| |
| #ifdef __KERNEL__ |
| extern int eth_header(struct sk_buff *skb, struct net_device *dev, |
| unsigned short type, void *daddr, |
| void *saddr, unsigned len); |
| extern int eth_rebuild_header(struct sk_buff *skb); |
| extern unsigned short eth_type_trans(struct sk_buff *skb, struct net_device *dev); |
| extern void eth_header_cache_update(struct hh_cache *hh, struct net_device *dev, |
| unsigned char * haddr); |
| extern int eth_header_cache(struct neighbour *neigh, |
| struct hh_cache *hh); |
| extern int eth_header_parse(struct sk_buff *skb, |
| unsigned char *haddr); |
| extern struct net_device *init_etherdev(struct net_device *dev, int sizeof_priv); |
| extern struct net_device *alloc_etherdev(int sizeof_priv); |
| |
| static inline void eth_copy_and_sum (struct sk_buff *dest, unsigned char *src, int len, int base) |
| { |
| memcpy (dest->data, src, len); |
| } |
| |
| /** |
| * is_valid_ether_addr - Determine if the given Ethernet address is valid |
| * @addr: Pointer to a six-byte array containing the Ethernet address |
| * |
| * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not |
| * a multicast address, and is not FF:FF:FF:FF:FF:FF. The multicast |
| * and FF:FF:... tests are combined into the single test "!(addr[0]&1)". |
| * |
| * Return true if the address is valid. |
| */ |
| static inline int is_valid_ether_addr( u8 *addr ) |
| { |
| const char zaddr[6] = {0,}; |
| |
| return !(addr[0]&1) && memcmp( addr, zaddr, 6); |
| } |
| |
| #endif |
| |
| #endif /* _LINUX_ETHERDEVICE_H */ |
