?? eth.h
字號:
#ifndef __ETH_H#define __ETH_H/* * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble * and FCS/CRC (frame check sequence). */#define ETH_ALEN 6 /* Octets in one ethernet addr */#define ETH_HLEN 14 /* Total octets in header. */#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */#define ETH_DATA_LEN 1500 /* Max. octets in payload */#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS *//* * These are the defined Ethernet Protocol ID's. */#define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */#define ETH_P_ECHO 0x0200 /* Ethernet Echo packet */#define ETH_P_PUP 0x0400 /* Xerox PUP packet */#define ETH_P_IP 0x0800 /* Internet Protocol packet */#define ETH_P_X25 0x0805 /* CCITT X.25 */#define ETH_P_ARP 0x0806 /* Address Resolution packet */#define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */#define ETH_P_DEC 0x6000 /* DEC Assigned proto */#define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */#define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */#define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */#define ETH_P_LAT 0x6004 /* DEC LAT */#define ETH_P_DIAG 0x6005 /* DEC Diagnostics */#define ETH_P_CUST 0x6006 /* DEC Customer use */#define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */#define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */#define ETH_P_ATALK 0x809B /* Appletalk DDP */#define ETH_P_AARP 0x80F3 /* Appletalk AARP */#define ETH_P_IPX 0x8137 /* IPX over DIX */#define ETH_P_IPV6 0x86DD /* IPv6 over bluebook *//* * This is an Ethernet frame header. */ __packed struct ethhdr{ unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ unsigned char h_source[ETH_ALEN]; /* source ether addr */ unsigned short h_proto; /* packet type ID field */};struct sk_buff;int eth_init(void);int eth_send(struct sk_buff *skb, unsigned char *dest_addr, unsigned short proto);int eth_rcv(struct sk_buff *skb);int eth_get_addr(unsigned char *addr);void eth_skb_reserve(struct sk_buff *skb);#endif /* __ETH_H */
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