41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
#ifndef __ETHER_H
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#define __ETHER_H
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#include "arp.h"
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#define htons(A) ((((unsigned short)(A) & 0xff00) >> 8) | \
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(((unsigned short)(A) & 0x00ff) << 8))
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#define htonl(A) ((((unsigned int)(A) & 0xff000000) >> 24) | \
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(((unsigned int)(A) & 0x00ff0000) >> 8) | \
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(((unsigned int)(A) & 0x0000ff00) << 8) | \
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(((unsigned int)(A) & 0x000000ff) << 24))
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#define ETH_MIN_PACKET_SIZE 60
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struct ether_t {
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int type;
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int state;
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unsigned char mac[6];
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unsigned int ipv4;
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unsigned int mask;
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unsigned int default_gw;
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void *data;
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struct arp_table_t **arp_table;
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unsigned int arp_table_count;
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};
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struct ether_packet_t {
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unsigned char destmac[6];
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unsigned char sourcemac[6];
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unsigned short ethertype;
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unsigned char payload[];
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}__attribute((packed));
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extern void init_ether();
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extern int ether_send(struct ether_t *card, char *packet, int len);
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extern int ether_receive(struct ether_t *ether, unsigned char *packet, int len);
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extern int ether_enable(int ether, unsigned int ipv4, unsigned int mask);
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extern struct ether_t *ether_find_from_ipv4(unsigned int ipv4);
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extern int ether_add_default_gw(int ether, unsigned int ipv4);
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#endif
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