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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | /* |
| 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX |
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| 3 | * operating system. NET is implemented using the BSD Socket |
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| 4 | * interface as the means of communication with the user level. |
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| 5 | * |
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| 6 | * Definitions for the Ethernet handlers. |
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| 7 | * |
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| 8 | * Version: @(#)eth.h 1.0.4 05/13/93 |
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| 9 | * |
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| 10 | * Authors: Ross Biro, <bir7@leland.Stanford.Edu> |
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| 11 | * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
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| 12 | * |
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| 13 | * Relocated to include/linux where it belongs by Alan Cox |
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| 14 | * <gw4pts@gw4pts.ampr.org> |
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| 15 | * |
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| 16 | * This program is free software; you can redistribute it and/or |
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| 17 | * modify it under the terms of the GNU General Public License |
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| 18 | * as published by the Free Software Foundation; either version |
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| 19 | * 2 of the License, or (at your option) any later version. |
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| 20 | * |
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| 21 | * WARNING: This move may well be temporary. This file will get merged with others RSN. |
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| 22 | * |
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| 23 | */ |
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| 24 | #ifndef _LINUX_ETHERDEVICE_H |
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| 25 | #define _LINUX_ETHERDEVICE_H |
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| 26 | |||
| 27 | #include <linux/if_ether.h> |
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| 28 | |||
| 29 | #ifdef __KERNEL__ |
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| 30 | extern int eth_header(struct sk_buff *skb, struct net_device *dev, |
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| 31 | unsigned short type, void *daddr, |
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| 32 | void *saddr, unsigned len); |
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| 33 | extern int eth_rebuild_header(struct sk_buff *skb); |
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| 34 | extern unsigned short eth_type_trans(struct sk_buff *skb, struct net_device *dev); |
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| 35 | extern void eth_header_cache_update(struct hh_cache *hh, struct net_device *dev, |
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| 36 | unsigned char * haddr); |
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| 37 | extern int eth_header_cache(struct neighbour *neigh, |
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| 38 | struct hh_cache *hh); |
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| 39 | extern int eth_header_parse(struct sk_buff *skb, |
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| 40 | unsigned char *haddr); |
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| 41 | extern struct net_device *__init_etherdev(struct net_device *dev, int sizeof_priv); |
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| 42 | static inline struct net_device *init_etherdev(struct net_device *dev, |
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| 43 | int sizeof_priv) |
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| 44 | { |
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| 45 | return __init_etherdev(dev, sizeof_priv); |
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| 46 | } |
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| 47 | |||
| 48 | extern struct net_device *alloc_etherdev(int sizeof_priv); |
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| 49 | static inline void eth_copy_and_sum (struct sk_buff *dest, unsigned char *src, int len, int base) |
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| 50 | { |
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| 51 | memcpy (dest->data, src, len); |
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| 52 | } |
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| 53 | |||
| 54 | /** |
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| 55 | * is_valid_ether_addr - Determine if the given Ethernet address is valid |
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| 56 | * @addr: Pointer to a six-byte array containing the Ethernet address |
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| 57 | * |
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| 58 | * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not |
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| 59 | * a multicast address, and is not FF:FF:FF:FF:FF:FF. The multicast |
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| 60 | * and FF:FF:... tests are combined into the single test "!(addr[0]&1)". |
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| 61 | * |
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| 62 | * Return true if the address is valid. |
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| 63 | */ |
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| 64 | static inline int is_valid_ether_addr( u8 *addr ) |
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| 65 | { |
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| 66 | const char zaddr[6] = {0,}; |
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| 67 | |||
| 68 | return !(addr[0]&1) && memcmp( addr, zaddr, 6); |
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| 69 | } |
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| 70 | |||
| 71 | #endif |
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| 72 | |||
| 73 | #endif /* _LINUX_ETHERDEVICE_H */ |